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[ARM] pxa: Add PXA3 standby code hooked into the IRQ wake scheme
[linux-2.6/linux-loongson.git] / drivers / net / wireless / airo.c
blob074055e18c5c510d879fafc903e9f65b27fae752
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/system.h>
41
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <asm/uaccess.h>
49 #include <net/ieee80211.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
52
53 #include "airo.h"
54
55 #define DRV_NAME "airo"
56
57 #ifdef CONFIG_PCI
58 static struct pci_device_id card_ids[] = {
59 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
61 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0, }
67 };
68 MODULE_DEVICE_TABLE(pci, card_ids);
69
70 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
71 static void airo_pci_remove(struct pci_dev *);
72 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
73 static int airo_pci_resume(struct pci_dev *pdev);
74
75 static struct pci_driver airo_driver = {
76 .name = DRV_NAME,
77 .id_table = card_ids,
78 .probe = airo_pci_probe,
79 .remove = __devexit_p(airo_pci_remove),
80 .suspend = airo_pci_suspend,
81 .resume = airo_pci_resume,
82 };
83 #endif /* CONFIG_PCI */
84
85 /* Include Wireless Extension definition and check version - Jean II */
86 #include <linux/wireless.h>
87 #define WIRELESS_SPY // enable iwspy support
88 #include <net/iw_handler.h> // New driver API
89
90 #define CISCO_EXT // enable Cisco extensions
91 #ifdef CISCO_EXT
92 #include <linux/delay.h>
93 #endif
94
95 /* Hack to do some power saving */
96 #define POWER_ON_DOWN
97
98 /* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
103
104 #define IGNLABEL(comment) NULL
105 static char *statsLabels[] = {
106 "RxOverrun",
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
110 "RxMacCrcErr",
111 "RxMacCrcOk",
112 "RxWepErr",
113 "RxWepOk",
114 "RetryLong",
115 "RetryShort",
116 "MaxRetries",
117 "NoAck",
118 "NoCts",
119 "RxAck",
120 "RxCts",
121 "TxAck",
122 "TxRts",
123 "TxCts",
124 "TxMc",
125 "TxBc",
126 "TxUcFrags",
127 "TxUcPackets",
128 "TxBeacon",
129 "RxBeacon",
130 "TxSinColl",
131 "TxMulColl",
132 "DefersNo",
133 "DefersProt",
134 "DefersEngy",
135 "DupFram",
136 "RxFragDisc",
137 "TxAged",
138 "RxAged",
139 "LostSync-MaxRetry",
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
142 "LostSync-Deauth",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
145 "HostTxMc",
146 "HostTxBc",
147 "HostTxUc",
148 "HostTxFail",
149 "HostRxMc",
150 "HostRxBc",
151 "HostRxUc",
152 "HostRxDiscard",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
162 "SsidMismatch",
163 "ApMismatch",
164 "RatesMismatch",
165 "AuthReject",
166 "AuthTimeout",
167 "AssocReject",
168 "AssocTimeout",
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
189 "RxMan",
190 "TxMan",
191 "RxRefresh",
192 "TxRefresh",
193 "RxPoll",
194 "TxPoll",
195 "HostRetries",
196 "LostSync-HostReq",
197 "HostTxBytes",
198 "HostRxBytes",
199 "ElapsedUsec",
200 "ElapsedSec",
201 "LostSyncBetterAP",
202 "PrivacyMismatch",
203 "Jammed",
204 "DiscRxNotWepped",
205 "PhyEleMismatch",
206 (char*)-1 };
207 #ifndef RUN_AT
208 #define RUN_AT(x) (jiffies+(x))
209 #endif
210
211
212 /* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
215
216 static int rates[8];
217 static int basic_rate;
218 static char *ssids[3];
219
220 static int io[4];
221 static int irq[4];
222
223 static
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230 static int adhoc;
231
232 static int probe = 1;
233
234 static int proc_uid /* = 0 */;
235
236 static int proc_gid /* = 0 */;
237
238 static int airo_perm = 0555;
239
240 static int proc_perm = 0644;
241
242 MODULE_AUTHOR("Benjamin Reed");
243 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246 MODULE_LICENSE("Dual BSD/GPL");
247 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248 module_param_array(io, int, NULL, 0);
249 module_param_array(irq, int, NULL, 0);
250 module_param(basic_rate, int, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255 the authentication options until an association is made. The value of \
256 auto_wep is number of the wep keys to check. A value of 2 will try using \
257 the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260 than seems to work better for older cards with some older buses. Before \
261 switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265 Older cards used to be limited to 2mbs (4).");
266 module_param(adhoc, int, 0);
267 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268 module_param(probe, int, 0);
269 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
270
271 module_param(proc_uid, int, 0);
272 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273 module_param(proc_gid, int, 0);
274 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275 module_param(airo_perm, int, 0);
276 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277 module_param(proc_perm, int, 0);
278 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
279
280 /* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283 static int do8bitIO = 0;
284
285 /* Return codes */
286 #define SUCCESS 0
287 #define ERROR -1
288 #define NO_PACKET -2
289
290 /* Commands */
291 #define NOP2 0x0000
292 #define MAC_ENABLE 0x0001
293 #define MAC_DISABLE 0x0002
294 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295 #define CMD_SOFTRESET 0x0004
296 #define HOSTSLEEP 0x0005
297 #define CMD_MAGIC_PKT 0x0006
298 #define CMD_SETWAKEMASK 0x0007
299 #define CMD_READCFG 0x0008
300 #define CMD_SETMODE 0x0009
301 #define CMD_ALLOCATETX 0x000a
302 #define CMD_TRANSMIT 0x000b
303 #define CMD_DEALLOCATETX 0x000c
304 #define NOP 0x0010
305 #define CMD_WORKAROUND 0x0011
306 #define CMD_ALLOCATEAUX 0x0020
307 #define CMD_ACCESS 0x0021
308 #define CMD_PCIBAP 0x0022
309 #define CMD_PCIAUX 0x0023
310 #define CMD_ALLOCBUF 0x0028
311 #define CMD_GETTLV 0x0029
312 #define CMD_PUTTLV 0x002a
313 #define CMD_DELTLV 0x002b
314 #define CMD_FINDNEXTTLV 0x002c
315 #define CMD_PSPNODES 0x0030
316 #define CMD_SETCW 0x0031
317 #define CMD_SETPCF 0x0032
318 #define CMD_SETPHYREG 0x003e
319 #define CMD_TXTEST 0x003f
320 #define MAC_ENABLETX 0x0101
321 #define CMD_LISTBSS 0x0103
322 #define CMD_SAVECFG 0x0108
323 #define CMD_ENABLEAUX 0x0111
324 #define CMD_WRITERID 0x0121
325 #define CMD_USEPSPNODES 0x0130
326 #define MAC_ENABLERX 0x0201
327
328 /* Command errors */
329 #define ERROR_QUALIF 0x00
330 #define ERROR_ILLCMD 0x01
331 #define ERROR_ILLFMT 0x02
332 #define ERROR_INVFID 0x03
333 #define ERROR_INVRID 0x04
334 #define ERROR_LARGE 0x05
335 #define ERROR_NDISABL 0x06
336 #define ERROR_ALLOCBSY 0x07
337 #define ERROR_NORD 0x0B
338 #define ERROR_NOWR 0x0C
339 #define ERROR_INVFIDTX 0x0D
340 #define ERROR_TESTACT 0x0E
341 #define ERROR_TAGNFND 0x12
342 #define ERROR_DECODE 0x20
343 #define ERROR_DESCUNAV 0x21
344 #define ERROR_BADLEN 0x22
345 #define ERROR_MODE 0x80
346 #define ERROR_HOP 0x81
347 #define ERROR_BINTER 0x82
348 #define ERROR_RXMODE 0x83
349 #define ERROR_MACADDR 0x84
350 #define ERROR_RATES 0x85
351 #define ERROR_ORDER 0x86
352 #define ERROR_SCAN 0x87
353 #define ERROR_AUTH 0x88
354 #define ERROR_PSMODE 0x89
355 #define ERROR_RTYPE 0x8A
356 #define ERROR_DIVER 0x8B
357 #define ERROR_SSID 0x8C
358 #define ERROR_APLIST 0x8D
359 #define ERROR_AUTOWAKE 0x8E
360 #define ERROR_LEAP 0x8F
361
362 /* Registers */
363 #define COMMAND 0x00
364 #define PARAM0 0x02
365 #define PARAM1 0x04
366 #define PARAM2 0x06
367 #define STATUS 0x08
368 #define RESP0 0x0a
369 #define RESP1 0x0c
370 #define RESP2 0x0e
371 #define LINKSTAT 0x10
372 #define SELECT0 0x18
373 #define OFFSET0 0x1c
374 #define RXFID 0x20
375 #define TXALLOCFID 0x22
376 #define TXCOMPLFID 0x24
377 #define DATA0 0x36
378 #define EVSTAT 0x30
379 #define EVINTEN 0x32
380 #define EVACK 0x34
381 #define SWS0 0x28
382 #define SWS1 0x2a
383 #define SWS2 0x2c
384 #define SWS3 0x2e
385 #define AUXPAGE 0x3A
386 #define AUXOFF 0x3C
387 #define AUXDATA 0x3E
388
389 #define FID_TX 1
390 #define FID_RX 2
391 /* Offset into aux memory for descriptors */
392 #define AUX_OFFSET 0x800
393 /* Size of allocated packets */
394 #define PKTSIZE 1840
395 #define RIDSIZE 2048
396 /* Size of the transmit queue */
397 #define MAXTXQ 64
398
399 /* BAP selectors */
400 #define BAP0 0 // Used for receiving packets
401 #define BAP1 2 // Used for xmiting packets and working with RIDS
402
403 /* Flags */
404 #define COMMAND_BUSY 0x8000
405
406 #define BAP_BUSY 0x8000
407 #define BAP_ERR 0x4000
408 #define BAP_DONE 0x2000
409
410 #define PROMISC 0xffff
411 #define NOPROMISC 0x0000
412
413 #define EV_CMD 0x10
414 #define EV_CLEARCOMMANDBUSY 0x4000
415 #define EV_RX 0x01
416 #define EV_TX 0x02
417 #define EV_TXEXC 0x04
418 #define EV_ALLOC 0x08
419 #define EV_LINK 0x80
420 #define EV_AWAKE 0x100
421 #define EV_TXCPY 0x400
422 #define EV_UNKNOWN 0x800
423 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424 #define EV_AWAKEN 0x2000
425 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
426
427 #ifdef CHECK_UNKNOWN_INTS
428 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
429 #else
430 #define IGNORE_INTS (~STATUS_INTS)
431 #endif
432
433 /* RID TYPES */
434 #define RID_RW 0x20
435
436 /* The RIDs */
437 #define RID_CAPABILITIES 0xFF00
438 #define RID_APINFO 0xFF01
439 #define RID_RADIOINFO 0xFF02
440 #define RID_UNKNOWN3 0xFF03
441 #define RID_RSSI 0xFF04
442 #define RID_CONFIG 0xFF10
443 #define RID_SSID 0xFF11
444 #define RID_APLIST 0xFF12
445 #define RID_DRVNAME 0xFF13
446 #define RID_ETHERENCAP 0xFF14
447 #define RID_WEP_TEMP 0xFF15
448 #define RID_WEP_PERM 0xFF16
449 #define RID_MODULATION 0xFF17
450 #define RID_OPTIONS 0xFF18
451 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452 #define RID_FACTORYCONFIG 0xFF21
453 #define RID_UNKNOWN22 0xFF22
454 #define RID_LEAPUSERNAME 0xFF23
455 #define RID_LEAPPASSWORD 0xFF24
456 #define RID_STATUS 0xFF50
457 #define RID_BEACON_HST 0xFF51
458 #define RID_BUSY_HST 0xFF52
459 #define RID_RETRIES_HST 0xFF53
460 #define RID_UNKNOWN54 0xFF54
461 #define RID_UNKNOWN55 0xFF55
462 #define RID_UNKNOWN56 0xFF56
463 #define RID_MIC 0xFF57
464 #define RID_STATS16 0xFF60
465 #define RID_STATS16DELTA 0xFF61
466 #define RID_STATS16DELTACLEAR 0xFF62
467 #define RID_STATS 0xFF68
468 #define RID_STATSDELTA 0xFF69
469 #define RID_STATSDELTACLEAR 0xFF6A
470 #define RID_ECHOTEST_RID 0xFF70
471 #define RID_ECHOTEST_RESULTS 0xFF71
472 #define RID_BSSLISTFIRST 0xFF72
473 #define RID_BSSLISTNEXT 0xFF73
474 #define RID_WPA_BSSLISTFIRST 0xFF74
475 #define RID_WPA_BSSLISTNEXT 0xFF75
476
477 typedef struct {
478 u16 cmd;
479 u16 parm0;
480 u16 parm1;
481 u16 parm2;
482 } Cmd;
483
484 typedef struct {
485 u16 status;
486 u16 rsp0;
487 u16 rsp1;
488 u16 rsp2;
489 } Resp;
490
491 /*
492 * Rids and endian-ness: The Rids will always be in cpu endian, since
493 * this all the patches from the big-endian guys end up doing that.
494 * so all rid access should use the read/writeXXXRid routines.
495 */
496
497 /* This is redundant for x86 archs, but it seems necessary for ARM */
498 #pragma pack(1)
499
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502 typedef struct {
503 u16 len;
504 u16 kindex;
505 u8 mac[ETH_ALEN];
506 u16 klen;
507 u8 key[16];
508 } WepKeyRid;
509
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct {
512 u16 len;
513 u8 ssid[32];
514 } Ssid;
515
516 typedef struct {
517 u16 len;
518 Ssid ssids[3];
519 } SsidRid;
520
521 typedef struct {
522 u16 len;
523 u16 modulation;
524 #define MOD_DEFAULT 0
525 #define MOD_CCK 1
526 #define MOD_MOK 2
527 } ModulationRid;
528
529 typedef struct {
530 u16 len; /* sizeof(ConfigRid) */
531 u16 opmode; /* operating mode */
532 #define MODE_STA_IBSS 0
533 #define MODE_STA_ESS 1
534 #define MODE_AP 2
535 #define MODE_AP_RPTR 3
536 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
537 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
538 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
539 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
540 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
541 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
542 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
543 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
544 #define MODE_MIC (1<<15) /* enable MIC */
545 u16 rmode; /* receive mode */
546 #define RXMODE_BC_MC_ADDR 0
547 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
548 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
549 #define RXMODE_RFMON 3 /* wireless monitor mode */
550 #define RXMODE_RFMON_ANYBSS 4
551 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
552 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
553 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u16 fragThresh;
555 u16 rtsThres;
556 u8 macAddr[ETH_ALEN];
557 u8 rates[8];
558 u16 shortRetryLimit;
559 u16 longRetryLimit;
560 u16 txLifetime; /* in kusec */
561 u16 rxLifetime; /* in kusec */
562 u16 stationary;
563 u16 ordering;
564 u16 u16deviceType; /* for overriding device type */
565 u16 cfpRate;
566 u16 cfpDuration;
567 u16 _reserved1[3];
568 /*---------- Scanning/Associating ----------*/
569 u16 scanMode;
570 #define SCANMODE_ACTIVE 0
571 #define SCANMODE_PASSIVE 1
572 #define SCANMODE_AIROSCAN 2
573 u16 probeDelay; /* in kusec */
574 u16 probeEnergyTimeout; /* in kusec */
575 u16 probeResponseTimeout;
576 u16 beaconListenTimeout;
577 u16 joinNetTimeout;
578 u16 authTimeout;
579 u16 authType;
580 #define AUTH_OPEN 0x1
581 #define AUTH_ENCRYPT 0x101
582 #define AUTH_SHAREDKEY 0x102
583 #define AUTH_ALLOW_UNENCRYPTED 0x200
584 u16 associationTimeout;
585 u16 specifiedApTimeout;
586 u16 offlineScanInterval;
587 u16 offlineScanDuration;
588 u16 linkLossDelay;
589 u16 maxBeaconLostTime;
590 u16 refreshInterval;
591 #define DISABLE_REFRESH 0xFFFF
592 u16 _reserved1a[1];
593 /*---------- Power save operation ----------*/
594 u16 powerSaveMode;
595 #define POWERSAVE_CAM 0
596 #define POWERSAVE_PSP 1
597 #define POWERSAVE_PSPCAM 2
598 u16 sleepForDtims;
599 u16 listenInterval;
600 u16 fastListenInterval;
601 u16 listenDecay;
602 u16 fastListenDelay;
603 u16 _reserved2[2];
604 /*---------- Ap/Ibss config items ----------*/
605 u16 beaconPeriod;
606 u16 atimDuration;
607 u16 hopPeriod;
608 u16 channelSet;
609 u16 channel;
610 u16 dtimPeriod;
611 u16 bridgeDistance;
612 u16 radioID;
613 /*---------- Radio configuration ----------*/
614 u16 radioType;
615 #define RADIOTYPE_DEFAULT 0
616 #define RADIOTYPE_802_11 1
617 #define RADIOTYPE_LEGACY 2
618 u8 rxDiversity;
619 u8 txDiversity;
620 u16 txPower;
621 #define TXPOWER_DEFAULT 0
622 u16 rssiThreshold;
623 #define RSSI_DEFAULT 0
624 u16 modulation;
625 #define PREAMBLE_AUTO 0
626 #define PREAMBLE_LONG 1
627 #define PREAMBLE_SHORT 2
628 u16 preamble;
629 u16 homeProduct;
630 u16 radioSpecific;
631 /*---------- Aironet Extensions ----------*/
632 u8 nodeName[16];
633 u16 arlThreshold;
634 u16 arlDecay;
635 u16 arlDelay;
636 u16 _reserved4[1];
637 /*---------- Aironet Extensions ----------*/
638 u8 magicAction;
639 #define MAGIC_ACTION_STSCHG 1
640 #define MAGIC_ACTION_RESUME 2
641 #define MAGIC_IGNORE_MCAST (1<<8)
642 #define MAGIC_IGNORE_BCAST (1<<9)
643 #define MAGIC_SWITCH_TO_PSP (0<<10)
644 #define MAGIC_STAY_IN_CAM (1<<10)
645 u8 magicControl;
646 u16 autoWake;
647 } ConfigRid;
648
649 typedef struct {
650 u16 len;
651 u8 mac[ETH_ALEN];
652 u16 mode;
653 u16 errorCode;
654 u16 sigQuality;
655 u16 SSIDlen;
656 char SSID[32];
657 char apName[16];
658 u8 bssid[4][ETH_ALEN];
659 u16 beaconPeriod;
660 u16 dimPeriod;
661 u16 atimDuration;
662 u16 hopPeriod;
663 u16 channelSet;
664 u16 channel;
665 u16 hopsToBackbone;
666 u16 apTotalLoad;
667 u16 generatedLoad;
668 u16 accumulatedArl;
669 u16 signalQuality;
670 u16 currentXmitRate;
671 u16 apDevExtensions;
672 u16 normalizedSignalStrength;
673 u16 shortPreamble;
674 u8 apIP[4];
675 u8 noisePercent; /* Noise percent in last second */
676 u8 noisedBm; /* Noise dBm in last second */
677 u8 noiseAvePercent; /* Noise percent in last minute */
678 u8 noiseAvedBm; /* Noise dBm in last minute */
679 u8 noiseMaxPercent; /* Highest noise percent in last minute */
680 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
681 u16 load;
682 u8 carrier[4];
683 u16 assocStatus;
684 #define STAT_NOPACKETS 0
685 #define STAT_NOCARRIERSET 10
686 #define STAT_GOTCARRIERSET 11
687 #define STAT_WRONGSSID 20
688 #define STAT_BADCHANNEL 25
689 #define STAT_BADBITRATES 30
690 #define STAT_BADPRIVACY 35
691 #define STAT_APFOUND 40
692 #define STAT_APREJECTED 50
693 #define STAT_AUTHENTICATING 60
694 #define STAT_DEAUTHENTICATED 61
695 #define STAT_AUTHTIMEOUT 62
696 #define STAT_ASSOCIATING 70
697 #define STAT_DEASSOCIATED 71
698 #define STAT_ASSOCTIMEOUT 72
699 #define STAT_NOTAIROAP 73
700 #define STAT_ASSOCIATED 80
701 #define STAT_LEAPING 90
702 #define STAT_LEAPFAILED 91
703 #define STAT_LEAPTIMEDOUT 92
704 #define STAT_LEAPCOMPLETE 93
705 } StatusRid;
706
707 typedef struct {
708 u16 len;
709 u16 spacer;
710 u32 vals[100];
711 } StatsRid;
712
713
714 typedef struct {
715 u16 len;
716 u8 ap[4][ETH_ALEN];
717 } APListRid;
718
719 typedef struct {
720 u16 len;
721 char oui[3];
722 char zero;
723 u16 prodNum;
724 char manName[32];
725 char prodName[16];
726 char prodVer[8];
727 char factoryAddr[ETH_ALEN];
728 char aironetAddr[ETH_ALEN];
729 u16 radioType;
730 u16 country;
731 char callid[ETH_ALEN];
732 char supportedRates[8];
733 char rxDiversity;
734 char txDiversity;
735 u16 txPowerLevels[8];
736 u16 hardVer;
737 u16 hardCap;
738 u16 tempRange;
739 u16 softVer;
740 u16 softSubVer;
741 u16 interfaceVer;
742 u16 softCap;
743 u16 bootBlockVer;
744 u16 requiredHard;
745 u16 extSoftCap;
746 } CapabilityRid;
747
748
749 /* Only present on firmware >= 5.30.17 */
750 typedef struct {
751 u16 unknown[4];
752 u8 fixed[12]; /* WLAN management frame */
753 u8 iep[624];
754 } BSSListRidExtra;
755
756 typedef struct {
757 u16 len;
758 u16 index; /* First is 0 and 0xffff means end of list */
759 #define RADIO_FH 1 /* Frequency hopping radio type */
760 #define RADIO_DS 2 /* Direct sequence radio type */
761 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
762 u16 radioType;
763 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
764 u8 zero;
765 u8 ssidLen;
766 u8 ssid[32];
767 u16 dBm;
768 #define CAP_ESS (1<<0)
769 #define CAP_IBSS (1<<1)
770 #define CAP_PRIVACY (1<<4)
771 #define CAP_SHORTHDR (1<<5)
772 u16 cap;
773 u16 beaconInterval;
774 u8 rates[8]; /* Same as rates for config rid */
775 struct { /* For frequency hopping only */
776 u16 dwell;
777 u8 hopSet;
778 u8 hopPattern;
779 u8 hopIndex;
780 u8 fill;
781 } fh;
782 u16 dsChannel;
783 u16 atimWindow;
784
785 /* Only present on firmware >= 5.30.17 */
786 BSSListRidExtra extra;
787 } BSSListRid;
788
789 typedef struct {
790 BSSListRid bss;
791 struct list_head list;
792 } BSSListElement;
793
794 typedef struct {
795 u8 rssipct;
796 u8 rssidBm;
797 } tdsRssiEntry;
798
799 typedef struct {
800 u16 len;
801 tdsRssiEntry x[256];
802 } tdsRssiRid;
803
804 typedef struct {
805 u16 len;
806 u16 state;
807 u16 multicastValid;
808 u8 multicast[16];
809 u16 unicastValid;
810 u8 unicast[16];
811 } MICRid;
812
813 typedef struct {
814 u16 typelen;
815
816 union {
817 u8 snap[8];
818 struct {
819 u8 dsap;
820 u8 ssap;
821 u8 control;
822 u8 orgcode[3];
823 u8 fieldtype[2];
824 } llc;
825 } u;
826 u32 mic;
827 u32 seq;
828 } MICBuffer;
829
830 typedef struct {
831 u8 da[ETH_ALEN];
832 u8 sa[ETH_ALEN];
833 } etherHead;
834
835 #pragma pack()
836
837 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
838 #define TXCTL_TXEX (1<<2) /* report if tx fails */
839 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
840 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
841 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
842 #define TXCTL_LLC (1<<4) /* payload is llc */
843 #define TXCTL_RELEASE (0<<5) /* release after completion */
844 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
845
846 #define BUSY_FID 0x10000
847
848 #ifdef CISCO_EXT
849 #define AIROMAGIC 0xa55a
850 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
851 #ifdef SIOCIWFIRSTPRIV
852 #ifdef SIOCDEVPRIVATE
853 #define AIROOLDIOCTL SIOCDEVPRIVATE
854 #define AIROOLDIDIFC AIROOLDIOCTL + 1
855 #endif /* SIOCDEVPRIVATE */
856 #else /* SIOCIWFIRSTPRIV */
857 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
858 #endif /* SIOCIWFIRSTPRIV */
859 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
860 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
861 * only and don't return the modified struct ifreq to the application which
862 * is usually a problem. - Jean II */
863 #define AIROIOCTL SIOCIWFIRSTPRIV
864 #define AIROIDIFC AIROIOCTL + 1
865
866 /* Ioctl constants to be used in airo_ioctl.command */
867
868 #define AIROGCAP 0 // Capability rid
869 #define AIROGCFG 1 // USED A LOT
870 #define AIROGSLIST 2 // System ID list
871 #define AIROGVLIST 3 // List of specified AP's
872 #define AIROGDRVNAM 4 // NOTUSED
873 #define AIROGEHTENC 5 // NOTUSED
874 #define AIROGWEPKTMP 6
875 #define AIROGWEPKNV 7
876 #define AIROGSTAT 8
877 #define AIROGSTATSC32 9
878 #define AIROGSTATSD32 10
879 #define AIROGMICRID 11
880 #define AIROGMICSTATS 12
881 #define AIROGFLAGS 13
882 #define AIROGID 14
883 #define AIRORRID 15
884 #define AIRORSWVERSION 17
885
886 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
887
888 #define AIROPCAP AIROGSTATSD32 + 40
889 #define AIROPVLIST AIROPCAP + 1
890 #define AIROPSLIST AIROPVLIST + 1
891 #define AIROPCFG AIROPSLIST + 1
892 #define AIROPSIDS AIROPCFG + 1
893 #define AIROPAPLIST AIROPSIDS + 1
894 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
895 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
896 #define AIROPSTCLR AIROPMACOFF + 1
897 #define AIROPWEPKEY AIROPSTCLR + 1
898 #define AIROPWEPKEYNV AIROPWEPKEY + 1
899 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
900 #define AIROPLEAPUSR AIROPLEAPPWD + 1
901
902 /* Flash codes */
903
904 #define AIROFLSHRST AIROPWEPKEYNV + 40
905 #define AIROFLSHGCHR AIROFLSHRST + 1
906 #define AIROFLSHSTFL AIROFLSHGCHR + 1
907 #define AIROFLSHPCHR AIROFLSHSTFL + 1
908 #define AIROFLPUTBUF AIROFLSHPCHR + 1
909 #define AIRORESTART AIROFLPUTBUF + 1
910
911 #define FLASHSIZE 32768
912 #define AUXMEMSIZE (256 * 1024)
913
914 typedef struct aironet_ioctl {
915 unsigned short command; // What to do
916 unsigned short len; // Len of data
917 unsigned short ridnum; // rid number
918 unsigned char __user *data; // d-data
919 } aironet_ioctl;
920
921 static char swversion[] = "2.1";
922 #endif /* CISCO_EXT */
923
924 #define NUM_MODULES 2
925 #define MIC_MSGLEN_MAX 2400
926 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
927 #define AIRO_DEF_MTU 2312
928
929 typedef struct {
930 u32 size; // size
931 u8 enabled; // MIC enabled or not
932 u32 rxSuccess; // successful packets received
933 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
934 u32 rxNotMICed; // pkts dropped due to not being MIC'd
935 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
936 u32 rxWrongSequence; // pkts dropped due to sequence number violation
937 u32 reserve[32];
938 } mic_statistics;
939
940 typedef struct {
941 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
942 u64 accum; // accumulated mic, reduced to u32 in final()
943 int position; // current position (byte offset) in message
944 union {
945 u8 d8[4];
946 u32 d32;
947 } part; // saves partial message word across update() calls
948 } emmh32_context;
949
950 typedef struct {
951 emmh32_context seed; // Context - the seed
952 u32 rx; // Received sequence number
953 u32 tx; // Tx sequence number
954 u32 window; // Start of window
955 u8 valid; // Flag to say if context is valid or not
956 u8 key[16];
957 } miccntx;
958
959 typedef struct {
960 miccntx mCtx; // Multicast context
961 miccntx uCtx; // Unicast context
962 } mic_module;
963
964 typedef struct {
965 unsigned int rid: 16;
966 unsigned int len: 15;
967 unsigned int valid: 1;
968 dma_addr_t host_addr;
969 } Rid;
970
971 typedef struct {
972 unsigned int offset: 15;
973 unsigned int eoc: 1;
974 unsigned int len: 15;
975 unsigned int valid: 1;
976 dma_addr_t host_addr;
977 } TxFid;
978
979 typedef struct {
980 unsigned int ctl: 15;
981 unsigned int rdy: 1;
982 unsigned int len: 15;
983 unsigned int valid: 1;
984 dma_addr_t host_addr;
985 } RxFid;
986
987 /*
988 * Host receive descriptor
989 */
990 typedef struct {
991 unsigned char __iomem *card_ram_off; /* offset into card memory of the
992 desc */
993 RxFid rx_desc; /* card receive descriptor */
994 char *virtual_host_addr; /* virtual address of host receive
995 buffer */
996 int pending;
997 } HostRxDesc;
998
999 /*
1000 * Host transmit descriptor
1001 */
1002 typedef struct {
1003 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1004 desc */
1005 TxFid tx_desc; /* card transmit descriptor */
1006 char *virtual_host_addr; /* virtual address of host receive
1007 buffer */
1008 int pending;
1009 } HostTxDesc;
1010
1011 /*
1012 * Host RID descriptor
1013 */
1014 typedef struct {
1015 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1016 descriptor */
1017 Rid rid_desc; /* card RID descriptor */
1018 char *virtual_host_addr; /* virtual address of host receive
1019 buffer */
1020 } HostRidDesc;
1021
1022 typedef struct {
1023 u16 sw0;
1024 u16 sw1;
1025 u16 status;
1026 u16 len;
1027 #define HOST_SET (1 << 0)
1028 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1029 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1030 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1031 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1032 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1033 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1034 #define HOST_RTS (1 << 9) /* Force RTS use */
1035 #define HOST_SHORT (1 << 10) /* Do short preamble */
1036 u16 ctl;
1037 u16 aid;
1038 u16 retries;
1039 u16 fill;
1040 } TxCtlHdr;
1041
1042 typedef struct {
1043 u16 ctl;
1044 u16 duration;
1045 char addr1[6];
1046 char addr2[6];
1047 char addr3[6];
1048 u16 seq;
1049 char addr4[6];
1050 } WifiHdr;
1051
1052
1053 typedef struct {
1054 TxCtlHdr ctlhdr;
1055 u16 fill1;
1056 u16 fill2;
1057 WifiHdr wifihdr;
1058 u16 gaplen;
1059 u16 status;
1060 } WifiCtlHdr;
1061
1062 static WifiCtlHdr wifictlhdr8023 = {
1063 .ctlhdr = {
1064 .ctl = HOST_DONT_RLSE,
1065 }
1066 };
1067
1068 // Frequency list (map channels to frequencies)
1069 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1070 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1071
1072 // A few details needed for WEP (Wireless Equivalent Privacy)
1073 #define MAX_KEY_SIZE 13 // 128 (?) bits
1074 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1075 typedef struct wep_key_t {
1076 u16 len;
1077 u8 key[16]; /* 40-bit and 104-bit keys */
1078 } wep_key_t;
1079
1080 /* Backward compatibility */
1081 #ifndef IW_ENCODE_NOKEY
1082 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1083 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1084 #endif /* IW_ENCODE_NOKEY */
1085
1086 /* List of Wireless Handlers (new API) */
1087 static const struct iw_handler_def airo_handler_def;
1088
1089 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1090
1091 struct airo_info;
1092
1093 static int get_dec_u16( char *buffer, int *start, int limit );
1094 static void OUT4500( struct airo_info *, u16 register, u16 value );
1095 static unsigned short IN4500( struct airo_info *, u16 register );
1096 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1097 static int enable_MAC(struct airo_info *ai, int lock);
1098 static void disable_MAC(struct airo_info *ai, int lock);
1099 static void enable_interrupts(struct airo_info*);
1100 static void disable_interrupts(struct airo_info*);
1101 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1102 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1103 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 int whichbap);
1105 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1106 int whichbap);
1107 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1108 int whichbap);
1109 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1110 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1111 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1112 *pBuf, int len, int lock);
1113 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1114 int len, int dummy );
1115 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1116 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1117 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1118
1119 static int mpi_send_packet (struct net_device *dev);
1120 static void mpi_unmap_card(struct pci_dev *pci);
1121 static void mpi_receive_802_3(struct airo_info *ai);
1122 static void mpi_receive_802_11(struct airo_info *ai);
1123 static int waitbusy (struct airo_info *ai);
1124
1125 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1126 static int airo_thread(void *data);
1127 static void timer_func( struct net_device *dev );
1128 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1129 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1130 static void airo_read_wireless_stats (struct airo_info *local);
1131 #ifdef CISCO_EXT
1132 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1133 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1134 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1135 #endif /* CISCO_EXT */
1136 static void micinit(struct airo_info *ai);
1137 static int micsetup(struct airo_info *ai);
1138 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1139 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1140
1141 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1142 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1143
1144 static void airo_networks_free(struct airo_info *ai);
1145
1146 struct airo_info {
1147 struct net_device_stats stats;
1148 struct net_device *dev;
1149 struct list_head dev_list;
1150 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1151 use the high bit to mark whether it is in use. */
1152 #define MAX_FIDS 6
1153 #define MPI_MAX_FIDS 1
1154 int fids[MAX_FIDS];
1155 ConfigRid config;
1156 char keyindex; // Used with auto wep
1157 char defindex; // Used with auto wep
1158 struct proc_dir_entry *proc_entry;
1159 spinlock_t aux_lock;
1160 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1161 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1162 #define FLAG_RADIO_MASK 0x03
1163 #define FLAG_ENABLED 2
1164 #define FLAG_ADHOC 3 /* Needed by MIC */
1165 #define FLAG_MIC_CAPABLE 4
1166 #define FLAG_UPDATE_MULTI 5
1167 #define FLAG_UPDATE_UNI 6
1168 #define FLAG_802_11 7
1169 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1170 #define FLAG_PENDING_XMIT 9
1171 #define FLAG_PENDING_XMIT11 10
1172 #define FLAG_MPI 11
1173 #define FLAG_REGISTERED 12
1174 #define FLAG_COMMIT 13
1175 #define FLAG_RESET 14
1176 #define FLAG_FLASHING 15
1177 #define FLAG_WPA_CAPABLE 16
1178 unsigned long flags;
1179 #define JOB_DIE 0
1180 #define JOB_XMIT 1
1181 #define JOB_XMIT11 2
1182 #define JOB_STATS 3
1183 #define JOB_PROMISC 4
1184 #define JOB_MIC 5
1185 #define JOB_EVENT 6
1186 #define JOB_AUTOWEP 7
1187 #define JOB_WSTATS 8
1188 #define JOB_SCAN_RESULTS 9
1189 unsigned long jobs;
1190 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1191 int whichbap);
1192 unsigned short *flash;
1193 tdsRssiEntry *rssi;
1194 struct task_struct *list_bss_task;
1195 struct task_struct *airo_thread_task;
1196 struct semaphore sem;
1197 wait_queue_head_t thr_wait;
1198 unsigned long expires;
1199 struct {
1200 struct sk_buff *skb;
1201 int fid;
1202 } xmit, xmit11;
1203 struct net_device *wifidev;
1204 struct iw_statistics wstats; // wireless stats
1205 unsigned long scan_timeout; /* Time scan should be read */
1206 struct iw_spy_data spy_data;
1207 struct iw_public_data wireless_data;
1208 /* MIC stuff */
1209 struct crypto_cipher *tfm;
1210 mic_module mod[2];
1211 mic_statistics micstats;
1212 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1213 HostTxDesc txfids[MPI_MAX_FIDS];
1214 HostRidDesc config_desc;
1215 unsigned long ridbus; // phys addr of config_desc
1216 struct sk_buff_head txq;// tx queue used by mpi350 code
1217 struct pci_dev *pci;
1218 unsigned char __iomem *pcimem;
1219 unsigned char __iomem *pciaux;
1220 unsigned char *shared;
1221 dma_addr_t shared_dma;
1222 pm_message_t power;
1223 SsidRid *SSID;
1224 APListRid *APList;
1225 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1226 char proc_name[IFNAMSIZ];
1227
1228 /* WPA-related stuff */
1229 unsigned int bssListFirst;
1230 unsigned int bssListNext;
1231 unsigned int bssListRidLen;
1232
1233 struct list_head network_list;
1234 struct list_head network_free_list;
1235 BSSListElement *networks;
1236 };
1237
1238 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1239 int whichbap) {
1240 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241 }
1242
1243 static int setup_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245 static int takedown_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1247
1248 static int cmdreset(struct airo_info *ai);
1249 static int setflashmode (struct airo_info *ai);
1250 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1251 static int flashputbuf(struct airo_info *ai);
1252 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1253
1254 #define airo_print(type, name, fmt, args...) \
1255 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1256
1257 #define airo_print_info(name, fmt, args...) \
1258 airo_print(KERN_INFO, name, fmt, ##args)
1259
1260 #define airo_print_dbg(name, fmt, args...) \
1261 airo_print(KERN_DEBUG, name, fmt, ##args)
1262
1263 #define airo_print_warn(name, fmt, args...) \
1264 airo_print(KERN_WARNING, name, fmt, ##args)
1265
1266 #define airo_print_err(name, fmt, args...) \
1267 airo_print(KERN_ERR, name, fmt, ##args)
1268
1269
1270 /***********************************************************************
1271 * MIC ROUTINES *
1272 ***********************************************************************
1273 */
1274
1275 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1276 static void MoveWindow(miccntx *context, u32 micSeq);
1277 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1278 struct crypto_cipher *tfm);
1279 static void emmh32_init(emmh32_context *context);
1280 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1281 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1282 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1283
1284 /* micinit - Initialize mic seed */
1285
1286 static void micinit(struct airo_info *ai)
1287 {
1288 MICRid mic_rid;
1289
1290 clear_bit(JOB_MIC, &ai->jobs);
1291 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1292 up(&ai->sem);
1293
1294 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1295
1296 if (ai->micstats.enabled) {
1297 /* Key must be valid and different */
1298 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1299 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1300 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1301 /* Age current mic Context */
1302 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1303 /* Initialize new context */
1304 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1305 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1306 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1307 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1308 ai->mod[0].mCtx.valid = 1; //Key is now valid
1309
1310 /* Give key to mic seed */
1311 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1312 }
1313
1314 /* Key must be valid and different */
1315 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1316 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1317 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1318 /* Age current mic Context */
1319 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1320 /* Initialize new context */
1321 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1322
1323 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1324 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1325 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1326 ai->mod[0].uCtx.valid = 1; //Key is now valid
1327
1328 //Give key to mic seed
1329 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1330 }
1331 } else {
1332 /* So next time we have a valid key and mic is enabled, we will update
1333 * the sequence number if the key is the same as before.
1334 */
1335 ai->mod[0].uCtx.valid = 0;
1336 ai->mod[0].mCtx.valid = 0;
1337 }
1338 }
1339
1340 /* micsetup - Get ready for business */
1341
1342 static int micsetup(struct airo_info *ai) {
1343 int i;
1344
1345 if (ai->tfm == NULL)
1346 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1347
1348 if (IS_ERR(ai->tfm)) {
1349 airo_print_err(ai->dev->name, "failed to load transform for AES");
1350 ai->tfm = NULL;
1351 return ERROR;
1352 }
1353
1354 for (i=0; i < NUM_MODULES; i++) {
1355 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1356 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1357 }
1358 return SUCCESS;
1359 }
1360
1361 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1362
1363 /*===========================================================================
1364 * Description: Mic a packet
1365 *
1366 * Inputs: etherHead * pointer to an 802.3 frame
1367 *
1368 * Returns: BOOLEAN if successful, otherwise false.
1369 * PacketTxLen will be updated with the mic'd packets size.
1370 *
1371 * Caveats: It is assumed that the frame buffer will already
1372 * be big enough to hold the largets mic message possible.
1373 * (No memory allocation is done here).
1374 *
1375 * Author: sbraneky (10/15/01)
1376 * Merciless hacks by rwilcher (1/14/02)
1377 */
1378
1379 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1380 {
1381 miccntx *context;
1382
1383 // Determine correct context
1384 // If not adhoc, always use unicast key
1385
1386 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1387 context = &ai->mod[0].mCtx;
1388 else
1389 context = &ai->mod[0].uCtx;
1390
1391 if (!context->valid)
1392 return ERROR;
1393
1394 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1395
1396 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1397
1398 // Add Tx sequence
1399 mic->seq = htonl(context->tx);
1400 context->tx += 2;
1401
1402 emmh32_init(&context->seed); // Mic the packet
1403 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1404 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1405 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1406 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1407 emmh32_final(&context->seed, (u8*)&mic->mic);
1408
1409 /* New Type/length ?????????? */
1410 mic->typelen = 0; //Let NIC know it could be an oversized packet
1411 return SUCCESS;
1412 }
1413
1414 typedef enum {
1415 NONE,
1416 NOMIC,
1417 NOMICPLUMMED,
1418 SEQUENCE,
1419 INCORRECTMIC,
1420 } mic_error;
1421
1422 /*===========================================================================
1423 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1424 * (removes the MIC stuff) if packet is a valid packet.
1425 *
1426 * Inputs: etherHead pointer to the 802.3 packet
1427 *
1428 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1429 *
1430 * Author: sbraneky (10/15/01)
1431 * Merciless hacks by rwilcher (1/14/02)
1432 *---------------------------------------------------------------------------
1433 */
1434
1435 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1436 {
1437 int i;
1438 u32 micSEQ;
1439 miccntx *context;
1440 u8 digest[4];
1441 mic_error micError = NONE;
1442
1443 // Check if the packet is a Mic'd packet
1444
1445 if (!ai->micstats.enabled) {
1446 //No Mic set or Mic OFF but we received a MIC'd packet.
1447 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1448 ai->micstats.rxMICPlummed++;
1449 return ERROR;
1450 }
1451 return SUCCESS;
1452 }
1453
1454 if (ntohs(mic->typelen) == 0x888E)
1455 return SUCCESS;
1456
1457 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1458 // Mic enabled but packet isn't Mic'd
1459 ai->micstats.rxMICPlummed++;
1460 return ERROR;
1461 }
1462
1463 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1464
1465 //At this point we a have a mic'd packet and mic is enabled
1466 //Now do the mic error checking.
1467
1468 //Receive seq must be odd
1469 if ( (micSEQ & 1) == 0 ) {
1470 ai->micstats.rxWrongSequence++;
1471 return ERROR;
1472 }
1473
1474 for (i = 0; i < NUM_MODULES; i++) {
1475 int mcast = eth->da[0] & 1;
1476 //Determine proper context
1477 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1478
1479 //Make sure context is valid
1480 if (!context->valid) {
1481 if (i == 0)
1482 micError = NOMICPLUMMED;
1483 continue;
1484 }
1485 //DeMic it
1486
1487 if (!mic->typelen)
1488 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1489
1490 emmh32_init(&context->seed);
1491 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1492 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1493 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1494 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1495 //Calculate MIC
1496 emmh32_final(&context->seed, digest);
1497
1498 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1499 //Invalid Mic
1500 if (i == 0)
1501 micError = INCORRECTMIC;
1502 continue;
1503 }
1504
1505 //Check Sequence number if mics pass
1506 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1507 ai->micstats.rxSuccess++;
1508 return SUCCESS;
1509 }
1510 if (i == 0)
1511 micError = SEQUENCE;
1512 }
1513
1514 // Update statistics
1515 switch (micError) {
1516 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1517 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1518 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1519 case NONE: break;
1520 case NOMIC: break;
1521 }
1522 return ERROR;
1523 }
1524
1525 /*===========================================================================
1526 * Description: Checks the Rx Seq number to make sure it is valid
1527 * and hasn't already been received
1528 *
1529 * Inputs: miccntx - mic context to check seq against
1530 * micSeq - the Mic seq number
1531 *
1532 * Returns: TRUE if valid otherwise FALSE.
1533 *
1534 * Author: sbraneky (10/15/01)
1535 * Merciless hacks by rwilcher (1/14/02)
1536 *---------------------------------------------------------------------------
1537 */
1538
1539 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1540 {
1541 u32 seq,index;
1542
1543 //Allow for the ap being rebooted - if it is then use the next
1544 //sequence number of the current sequence number - might go backwards
1545
1546 if (mcast) {
1547 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1548 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1549 context->window = (micSeq > 33) ? micSeq : 33;
1550 context->rx = 0; // Reset rx
1551 }
1552 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1555 context->rx = 0; // Reset rx
1556 }
1557
1558 //Make sequence number relative to START of window
1559 seq = micSeq - (context->window - 33);
1560
1561 //Too old of a SEQ number to check.
1562 if ((s32)seq < 0)
1563 return ERROR;
1564
1565 if ( seq > 64 ) {
1566 //Window is infinite forward
1567 MoveWindow(context,micSeq);
1568 return SUCCESS;
1569 }
1570
1571 // We are in the window. Now check the context rx bit to see if it was already sent
1572 seq >>= 1; //divide by 2 because we only have odd numbers
1573 index = 1 << seq; //Get an index number
1574
1575 if (!(context->rx & index)) {
1576 //micSEQ falls inside the window.
1577 //Add seqence number to the list of received numbers.
1578 context->rx |= index;
1579
1580 MoveWindow(context,micSeq);
1581
1582 return SUCCESS;
1583 }
1584 return ERROR;
1585 }
1586
1587 static void MoveWindow(miccntx *context, u32 micSeq)
1588 {
1589 u32 shift;
1590
1591 //Move window if seq greater than the middle of the window
1592 if (micSeq > context->window) {
1593 shift = (micSeq - context->window) >> 1;
1594
1595 //Shift out old
1596 if (shift < 32)
1597 context->rx >>= shift;
1598 else
1599 context->rx = 0;
1600
1601 context->window = micSeq; //Move window
1602 }
1603 }
1604
1605 /*==============================================*/
1606 /*========== EMMH ROUTINES ====================*/
1607 /*==============================================*/
1608
1609 /* mic accumulate */
1610 #define MIC_ACCUM(val) \
1611 context->accum += (u64)(val) * context->coeff[coeff_position++];
1612
1613 static unsigned char aes_counter[16];
1614
1615 /* expand the key to fill the MMH coefficient array */
1616 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1617 struct crypto_cipher *tfm)
1618 {
1619 /* take the keying material, expand if necessary, truncate at 16-bytes */
1620 /* run through AES counter mode to generate context->coeff[] */
1621
1622 int i,j;
1623 u32 counter;
1624 u8 *cipher, plain[16];
1625
1626 crypto_cipher_setkey(tfm, pkey, 16);
1627 counter = 0;
1628 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1629 aes_counter[15] = (u8)(counter >> 0);
1630 aes_counter[14] = (u8)(counter >> 8);
1631 aes_counter[13] = (u8)(counter >> 16);
1632 aes_counter[12] = (u8)(counter >> 24);
1633 counter++;
1634 memcpy (plain, aes_counter, 16);
1635 crypto_cipher_encrypt_one(tfm, plain, plain);
1636 cipher = plain;
1637 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1638 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1639 j += 4;
1640 }
1641 }
1642 }
1643
1644 /* prepare for calculation of a new mic */
1645 static void emmh32_init(emmh32_context *context)
1646 {
1647 /* prepare for new mic calculation */
1648 context->accum = 0;
1649 context->position = 0;
1650 }
1651
1652 /* add some bytes to the mic calculation */
1653 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1654 {
1655 int coeff_position, byte_position;
1656
1657 if (len == 0) return;
1658
1659 coeff_position = context->position >> 2;
1660
1661 /* deal with partial 32-bit word left over from last update */
1662 byte_position = context->position & 3;
1663 if (byte_position) {
1664 /* have a partial word in part to deal with */
1665 do {
1666 if (len == 0) return;
1667 context->part.d8[byte_position++] = *pOctets++;
1668 context->position++;
1669 len--;
1670 } while (byte_position < 4);
1671 MIC_ACCUM(htonl(context->part.d32));
1672 }
1673
1674 /* deal with full 32-bit words */
1675 while (len >= 4) {
1676 MIC_ACCUM(htonl(*(u32 *)pOctets));
1677 context->position += 4;
1678 pOctets += 4;
1679 len -= 4;
1680 }
1681
1682 /* deal with partial 32-bit word that will be left over from this update */
1683 byte_position = 0;
1684 while (len > 0) {
1685 context->part.d8[byte_position++] = *pOctets++;
1686 context->position++;
1687 len--;
1688 }
1689 }
1690
1691 /* mask used to zero empty bytes for final partial word */
1692 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1693
1694 /* calculate the mic */
1695 static void emmh32_final(emmh32_context *context, u8 digest[4])
1696 {
1697 int coeff_position, byte_position;
1698 u32 val;
1699
1700 u64 sum, utmp;
1701 s64 stmp;
1702
1703 coeff_position = context->position >> 2;
1704
1705 /* deal with partial 32-bit word left over from last update */
1706 byte_position = context->position & 3;
1707 if (byte_position) {
1708 /* have a partial word in part to deal with */
1709 val = htonl(context->part.d32);
1710 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1711 }
1712
1713 /* reduce the accumulated u64 to a 32-bit MIC */
1714 sum = context->accum;
1715 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1716 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1717 sum = utmp & 0xffffffffLL;
1718 if (utmp > 0x10000000fLL)
1719 sum -= 15;
1720
1721 val = (u32)sum;
1722 digest[0] = (val>>24) & 0xFF;
1723 digest[1] = (val>>16) & 0xFF;
1724 digest[2] = (val>>8) & 0xFF;
1725 digest[3] = val & 0xFF;
1726 }
1727
1728 static int readBSSListRid(struct airo_info *ai, int first,
1729 BSSListRid *list) {
1730 int rc;
1731 Cmd cmd;
1732 Resp rsp;
1733
1734 if (first == 1) {
1735 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1736 memset(&cmd, 0, sizeof(cmd));
1737 cmd.cmd=CMD_LISTBSS;
1738 if (down_interruptible(&ai->sem))
1739 return -ERESTARTSYS;
1740 ai->list_bss_task = current;
1741 issuecommand(ai, &cmd, &rsp);
1742 up(&ai->sem);
1743 /* Let the command take effect */
1744 schedule_timeout_uninterruptible(3 * HZ);
1745 ai->list_bss_task = NULL;
1746 }
1747 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1748 list, ai->bssListRidLen, 1);
1749
1750 list->len = le16_to_cpu(list->len);
1751 list->index = le16_to_cpu(list->index);
1752 list->radioType = le16_to_cpu(list->radioType);
1753 list->cap = le16_to_cpu(list->cap);
1754 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1755 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1756 list->dsChannel = le16_to_cpu(list->dsChannel);
1757 list->atimWindow = le16_to_cpu(list->atimWindow);
1758 list->dBm = le16_to_cpu(list->dBm);
1759 return rc;
1760 }
1761
1762 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1763 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1764 wkr, sizeof(*wkr), lock);
1765
1766 wkr->len = le16_to_cpu(wkr->len);
1767 wkr->kindex = le16_to_cpu(wkr->kindex);
1768 wkr->klen = le16_to_cpu(wkr->klen);
1769 return rc;
1770 }
1771 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1772 * the originals when we endian them... */
1773 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1774 int rc;
1775 WepKeyRid wkr = *pwkr;
1776
1777 wkr.len = cpu_to_le16(wkr.len);
1778 wkr.kindex = cpu_to_le16(wkr.kindex);
1779 wkr.klen = cpu_to_le16(wkr.klen);
1780 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1781 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1782 if (perm) {
1783 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1784 if (rc!=SUCCESS) {
1785 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1786 }
1787 }
1788 return rc;
1789 }
1790
1791 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1792 int i;
1793 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1794
1795 ssidr->len = le16_to_cpu(ssidr->len);
1796 for(i = 0; i < 3; i++) {
1797 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1798 }
1799 return rc;
1800 }
1801 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1802 int rc;
1803 int i;
1804 SsidRid ssidr = *pssidr;
1805
1806 ssidr.len = cpu_to_le16(ssidr.len);
1807 for(i = 0; i < 3; i++) {
1808 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1809 }
1810 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1811 return rc;
1812 }
1813 static int readConfigRid(struct airo_info*ai, int lock) {
1814 int rc;
1815 u16 *s;
1816 ConfigRid cfg;
1817
1818 if (ai->config.len)
1819 return SUCCESS;
1820
1821 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1822 if (rc != SUCCESS)
1823 return rc;
1824
1825 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1826
1827 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1828 *s = le16_to_cpu(*s);
1829
1830 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1831 *s = le16_to_cpu(*s);
1832
1833 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1834 *s = cpu_to_le16(*s);
1835
1836 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1837 *s = cpu_to_le16(*s);
1838
1839 ai->config = cfg;
1840 return SUCCESS;
1841 }
1842 static inline void checkThrottle(struct airo_info *ai) {
1843 int i;
1844 /* Old hardware had a limit on encryption speed */
1845 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1846 for(i=0; i<8; i++) {
1847 if (ai->config.rates[i] > maxencrypt) {
1848 ai->config.rates[i] = 0;
1849 }
1850 }
1851 }
1852 }
1853 static int writeConfigRid(struct airo_info*ai, int lock) {
1854 u16 *s;
1855 ConfigRid cfgr;
1856
1857 if (!test_bit (FLAG_COMMIT, &ai->flags))
1858 return SUCCESS;
1859
1860 clear_bit (FLAG_COMMIT, &ai->flags);
1861 clear_bit (FLAG_RESET, &ai->flags);
1862 checkThrottle(ai);
1863 cfgr = ai->config;
1864
1865 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1866 set_bit(FLAG_ADHOC, &ai->flags);
1867 else
1868 clear_bit(FLAG_ADHOC, &ai->flags);
1869
1870 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1871
1872 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1873 *s = cpu_to_le16(*s);
1874
1875 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1876 *s = cpu_to_le16(*s);
1877
1878 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1879 *s = cpu_to_le16(*s);
1880
1881 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1882 *s = cpu_to_le16(*s);
1883
1884 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1885 }
1886 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1887 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1888 u16 *s;
1889
1890 statr->len = le16_to_cpu(statr->len);
1891 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1892
1893 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1894 *s = le16_to_cpu(*s);
1895 statr->load = le16_to_cpu(statr->load);
1896 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1897 return rc;
1898 }
1899 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1900 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1901 aplr->len = le16_to_cpu(aplr->len);
1902 return rc;
1903 }
1904 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1905 int rc;
1906 aplr->len = cpu_to_le16(aplr->len);
1907 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1908 return rc;
1909 }
1910 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1911 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1912 u16 *s;
1913
1914 capr->len = le16_to_cpu(capr->len);
1915 capr->prodNum = le16_to_cpu(capr->prodNum);
1916 capr->radioType = le16_to_cpu(capr->radioType);
1917 capr->country = le16_to_cpu(capr->country);
1918 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1919 *s = le16_to_cpu(*s);
1920 return rc;
1921 }
1922 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1923 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1924 u32 *i;
1925
1926 sr->len = le16_to_cpu(sr->len);
1927 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1928 return rc;
1929 }
1930
1931 static void try_auto_wep(struct airo_info *ai)
1932 {
1933 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1934 ai->expires = RUN_AT(3*HZ);
1935 wake_up_interruptible(&ai->thr_wait);
1936 }
1937 }
1938
1939 static int airo_open(struct net_device *dev) {
1940 struct airo_info *ai = dev->priv;
1941 int rc = 0;
1942
1943 if (test_bit(FLAG_FLASHING, &ai->flags))
1944 return -EIO;
1945
1946 /* Make sure the card is configured.
1947 * Wireless Extensions may postpone config changes until the card
1948 * is open (to pipeline changes and speed-up card setup). If
1949 * those changes are not yet commited, do it now - Jean II */
1950 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1951 disable_MAC(ai, 1);
1952 writeConfigRid(ai, 1);
1953 }
1954
1955 if (ai->wifidev != dev) {
1956 clear_bit(JOB_DIE, &ai->jobs);
1957 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1958 if (IS_ERR(ai->airo_thread_task))
1959 return (int)PTR_ERR(ai->airo_thread_task);
1960
1961 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1962 dev->name, dev);
1963 if (rc) {
1964 airo_print_err(dev->name,
1965 "register interrupt %d failed, rc %d",
1966 dev->irq, rc);
1967 set_bit(JOB_DIE, &ai->jobs);
1968 kthread_stop(ai->airo_thread_task);
1969 return rc;
1970 }
1971
1972 /* Power on the MAC controller (which may have been disabled) */
1973 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1974 enable_interrupts(ai);
1975
1976 try_auto_wep(ai);
1977 }
1978 enable_MAC(ai, 1);
1979
1980 netif_start_queue(dev);
1981 return 0;
1982 }
1983
1984 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1985 int npacks, pending;
1986 unsigned long flags;
1987 struct airo_info *ai = dev->priv;
1988
1989 if (!skb) {
1990 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1991 return 0;
1992 }
1993 npacks = skb_queue_len (&ai->txq);
1994
1995 if (npacks >= MAXTXQ - 1) {
1996 netif_stop_queue (dev);
1997 if (npacks > MAXTXQ) {
1998 ai->stats.tx_fifo_errors++;
1999 return 1;
2000 }
2001 skb_queue_tail (&ai->txq, skb);
2002 return 0;
2003 }
2004
2005 spin_lock_irqsave(&ai->aux_lock, flags);
2006 skb_queue_tail (&ai->txq, skb);
2007 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
2008 spin_unlock_irqrestore(&ai->aux_lock,flags);
2009 netif_wake_queue (dev);
2010
2011 if (pending == 0) {
2012 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2013 mpi_send_packet (dev);
2014 }
2015 return 0;
2016 }
2017
2018 /*
2019 * @mpi_send_packet
2020 *
2021 * Attempt to transmit a packet. Can be called from interrupt
2022 * or transmit . return number of packets we tried to send
2023 */
2024
2025 static int mpi_send_packet (struct net_device *dev)
2026 {
2027 struct sk_buff *skb;
2028 unsigned char *buffer;
2029 s16 len, *payloadLen;
2030 struct airo_info *ai = dev->priv;
2031 u8 *sendbuf;
2032
2033 /* get a packet to send */
2034
2035 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2036 airo_print_err(dev->name,
2037 "%s: Dequeue'd zero in send_packet()",
2038 __FUNCTION__);
2039 return 0;
2040 }
2041
2042 /* check min length*/
2043 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2044 buffer = skb->data;
2045
2046 ai->txfids[0].tx_desc.offset = 0;
2047 ai->txfids[0].tx_desc.valid = 1;
2048 ai->txfids[0].tx_desc.eoc = 1;
2049 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2050
2051 /*
2052 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2053 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2054 * is immediatly after it. ------------------------------------------------
2055 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2056 * ------------------------------------------------
2057 */
2058
2059 memcpy((char *)ai->txfids[0].virtual_host_addr,
2060 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2061
2062 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2063 sizeof(wifictlhdr8023));
2064 sendbuf = ai->txfids[0].virtual_host_addr +
2065 sizeof(wifictlhdr8023) + 2 ;
2066
2067 /*
2068 * Firmware automaticly puts 802 header on so
2069 * we don't need to account for it in the length
2070 */
2071 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2072 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2073 MICBuffer pMic;
2074
2075 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2076 return ERROR;
2077
2078 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2079 ai->txfids[0].tx_desc.len += sizeof(pMic);
2080 /* copy data into airo dma buffer */
2081 memcpy (sendbuf, buffer, sizeof(etherHead));
2082 buffer += sizeof(etherHead);
2083 sendbuf += sizeof(etherHead);
2084 memcpy (sendbuf, &pMic, sizeof(pMic));
2085 sendbuf += sizeof(pMic);
2086 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2087 } else {
2088 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2089
2090 dev->trans_start = jiffies;
2091
2092 /* copy data into airo dma buffer */
2093 memcpy(sendbuf, buffer, len);
2094 }
2095
2096 memcpy_toio(ai->txfids[0].card_ram_off,
2097 &ai->txfids[0].tx_desc, sizeof(TxFid));
2098
2099 OUT4500(ai, EVACK, 8);
2100
2101 dev_kfree_skb_any(skb);
2102 return 1;
2103 }
2104
2105 static void get_tx_error(struct airo_info *ai, s32 fid)
2106 {
2107 u16 status;
2108
2109 if (fid < 0)
2110 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2111 else {
2112 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2113 return;
2114 bap_read(ai, &status, 2, BAP0);
2115 }
2116 if (le16_to_cpu(status) & 2) /* Too many retries */
2117 ai->stats.tx_aborted_errors++;
2118 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2119 ai->stats.tx_heartbeat_errors++;
2120 if (le16_to_cpu(status) & 8) /* Aid fail */
2121 { }
2122 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2123 ai->stats.tx_carrier_errors++;
2124 if (le16_to_cpu(status) & 0x20) /* Association lost */
2125 { }
2126 /* We produce a TXDROP event only for retry or lifetime
2127 * exceeded, because that's the only status that really mean
2128 * that this particular node went away.
2129 * Other errors means that *we* screwed up. - Jean II */
2130 if ((le16_to_cpu(status) & 2) ||
2131 (le16_to_cpu(status) & 4)) {
2132 union iwreq_data wrqu;
2133 char junk[0x18];
2134
2135 /* Faster to skip over useless data than to do
2136 * another bap_setup(). We are at offset 0x6 and
2137 * need to go to 0x18 and read 6 bytes - Jean II */
2138 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2139
2140 /* Copy 802.11 dest address.
2141 * We use the 802.11 header because the frame may
2142 * not be 802.3 or may be mangled...
2143 * In Ad-Hoc mode, it will be the node address.
2144 * In managed mode, it will be most likely the AP addr
2145 * User space will figure out how to convert it to
2146 * whatever it needs (IP address or else).
2147 * - Jean II */
2148 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2149 wrqu.addr.sa_family = ARPHRD_ETHER;
2150
2151 /* Send event to user space */
2152 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2153 }
2154 }
2155
2156 static void airo_end_xmit(struct net_device *dev) {
2157 u16 status;
2158 int i;
2159 struct airo_info *priv = dev->priv;
2160 struct sk_buff *skb = priv->xmit.skb;
2161 int fid = priv->xmit.fid;
2162 u32 *fids = priv->fids;
2163
2164 clear_bit(JOB_XMIT, &priv->jobs);
2165 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2166 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2167 up(&priv->sem);
2168
2169 i = 0;
2170 if ( status == SUCCESS ) {
2171 dev->trans_start = jiffies;
2172 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2173 } else {
2174 priv->fids[fid] &= 0xffff;
2175 priv->stats.tx_window_errors++;
2176 }
2177 if (i < MAX_FIDS / 2)
2178 netif_wake_queue(dev);
2179 dev_kfree_skb(skb);
2180 }
2181
2182 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2183 s16 len;
2184 int i, j;
2185 struct airo_info *priv = dev->priv;
2186 u32 *fids = priv->fids;
2187
2188 if ( skb == NULL ) {
2189 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2190 return 0;
2191 }
2192
2193 /* Find a vacant FID */
2194 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2195 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2196
2197 if ( j >= MAX_FIDS / 2 ) {
2198 netif_stop_queue(dev);
2199
2200 if (i == MAX_FIDS / 2) {
2201 priv->stats.tx_fifo_errors++;
2202 return 1;
2203 }
2204 }
2205 /* check min length*/
2206 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2207 /* Mark fid as used & save length for later */
2208 fids[i] |= (len << 16);
2209 priv->xmit.skb = skb;
2210 priv->xmit.fid = i;
2211 if (down_trylock(&priv->sem) != 0) {
2212 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2213 netif_stop_queue(dev);
2214 set_bit(JOB_XMIT, &priv->jobs);
2215 wake_up_interruptible(&priv->thr_wait);
2216 } else
2217 airo_end_xmit(dev);
2218 return 0;
2219 }
2220
2221 static void airo_end_xmit11(struct net_device *dev) {
2222 u16 status;
2223 int i;
2224 struct airo_info *priv = dev->priv;
2225 struct sk_buff *skb = priv->xmit11.skb;
2226 int fid = priv->xmit11.fid;
2227 u32 *fids = priv->fids;
2228
2229 clear_bit(JOB_XMIT11, &priv->jobs);
2230 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2232 up(&priv->sem);
2233
2234 i = MAX_FIDS / 2;
2235 if ( status == SUCCESS ) {
2236 dev->trans_start = jiffies;
2237 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2238 } else {
2239 priv->fids[fid] &= 0xffff;
2240 priv->stats.tx_window_errors++;
2241 }
2242 if (i < MAX_FIDS)
2243 netif_wake_queue(dev);
2244 dev_kfree_skb(skb);
2245 }
2246
2247 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2248 s16 len;
2249 int i, j;
2250 struct airo_info *priv = dev->priv;
2251 u32 *fids = priv->fids;
2252
2253 if (test_bit(FLAG_MPI, &priv->flags)) {
2254 /* Not implemented yet for MPI350 */
2255 netif_stop_queue(dev);
2256 return -ENETDOWN;
2257 }
2258
2259 if ( skb == NULL ) {
2260 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2261 return 0;
2262 }
2263
2264 /* Find a vacant FID */
2265 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2266 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2267
2268 if ( j >= MAX_FIDS ) {
2269 netif_stop_queue(dev);
2270
2271 if (i == MAX_FIDS) {
2272 priv->stats.tx_fifo_errors++;
2273 return 1;
2274 }
2275 }
2276 /* check min length*/
2277 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2278 /* Mark fid as used & save length for later */
2279 fids[i] |= (len << 16);
2280 priv->xmit11.skb = skb;
2281 priv->xmit11.fid = i;
2282 if (down_trylock(&priv->sem) != 0) {
2283 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2284 netif_stop_queue(dev);
2285 set_bit(JOB_XMIT11, &priv->jobs);
2286 wake_up_interruptible(&priv->thr_wait);
2287 } else
2288 airo_end_xmit11(dev);
2289 return 0;
2290 }
2291
2292 static void airo_read_stats(struct airo_info *ai) {
2293 StatsRid stats_rid;
2294 u32 *vals = stats_rid.vals;
2295
2296 clear_bit(JOB_STATS, &ai->jobs);
2297 if (ai->power.event) {
2298 up(&ai->sem);
2299 return;
2300 }
2301 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2302 up(&ai->sem);
2303
2304 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2305 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2306 ai->stats.rx_bytes = vals[92];
2307 ai->stats.tx_bytes = vals[91];
2308 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2309 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2310 ai->stats.multicast = vals[43];
2311 ai->stats.collisions = vals[89];
2312
2313 /* detailed rx_errors: */
2314 ai->stats.rx_length_errors = vals[3];
2315 ai->stats.rx_crc_errors = vals[4];
2316 ai->stats.rx_frame_errors = vals[2];
2317 ai->stats.rx_fifo_errors = vals[0];
2318 }
2319
2320 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2321 {
2322 struct airo_info *local = dev->priv;
2323
2324 if (!test_bit(JOB_STATS, &local->jobs)) {
2325 /* Get stats out of the card if available */
2326 if (down_trylock(&local->sem) != 0) {
2327 set_bit(JOB_STATS, &local->jobs);
2328 wake_up_interruptible(&local->thr_wait);
2329 } else
2330 airo_read_stats(local);
2331 }
2332
2333 return &local->stats;
2334 }
2335
2336 static void airo_set_promisc(struct airo_info *ai) {
2337 Cmd cmd;
2338 Resp rsp;
2339
2340 memset(&cmd, 0, sizeof(cmd));
2341 cmd.cmd=CMD_SETMODE;
2342 clear_bit(JOB_PROMISC, &ai->jobs);
2343 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2344 issuecommand(ai, &cmd, &rsp);
2345 up(&ai->sem);
2346 }
2347
2348 static void airo_set_multicast_list(struct net_device *dev) {
2349 struct airo_info *ai = dev->priv;
2350
2351 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2352 change_bit(FLAG_PROMISC, &ai->flags);
2353 if (down_trylock(&ai->sem) != 0) {
2354 set_bit(JOB_PROMISC, &ai->jobs);
2355 wake_up_interruptible(&ai->thr_wait);
2356 } else
2357 airo_set_promisc(ai);
2358 }
2359
2360 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2361 /* Turn on multicast. (Should be already setup...) */
2362 }
2363 }
2364
2365 static int airo_set_mac_address(struct net_device *dev, void *p)
2366 {
2367 struct airo_info *ai = dev->priv;
2368 struct sockaddr *addr = p;
2369
2370 readConfigRid(ai, 1);
2371 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2372 set_bit (FLAG_COMMIT, &ai->flags);
2373 disable_MAC(ai, 1);
2374 writeConfigRid (ai, 1);
2375 enable_MAC(ai, 1);
2376 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2377 if (ai->wifidev)
2378 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2379 return 0;
2380 }
2381
2382 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2383 {
2384 if ((new_mtu < 68) || (new_mtu > 2400))
2385 return -EINVAL;
2386 dev->mtu = new_mtu;
2387 return 0;
2388 }
2389
2390 static LIST_HEAD(airo_devices);
2391
2392 static void add_airo_dev(struct airo_info *ai)
2393 {
2394 /* Upper layers already keep track of PCI devices,
2395 * so we only need to remember our non-PCI cards. */
2396 if (!ai->pci)
2397 list_add_tail(&ai->dev_list, &airo_devices);
2398 }
2399
2400 static void del_airo_dev(struct airo_info *ai)
2401 {
2402 if (!ai->pci)
2403 list_del(&ai->dev_list);
2404 }
2405
2406 static int airo_close(struct net_device *dev) {
2407 struct airo_info *ai = dev->priv;
2408
2409 netif_stop_queue(dev);
2410
2411 if (ai->wifidev != dev) {
2412 #ifdef POWER_ON_DOWN
2413 /* Shut power to the card. The idea is that the user can save
2414 * power when he doesn't need the card with "ifconfig down".
2415 * That's the method that is most friendly towards the network
2416 * stack (i.e. the network stack won't try to broadcast
2417 * anything on the interface and routes are gone. Jean II */
2418 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2419 disable_MAC(ai, 1);
2420 #endif
2421 disable_interrupts( ai );
2422
2423 free_irq(dev->irq, dev);
2424
2425 set_bit(JOB_DIE, &ai->jobs);
2426 kthread_stop(ai->airo_thread_task);
2427 }
2428 return 0;
2429 }
2430
2431 void stop_airo_card( struct net_device *dev, int freeres )
2432 {
2433 struct airo_info *ai = dev->priv;
2434
2435 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2436 disable_MAC(ai, 1);
2437 disable_interrupts(ai);
2438 takedown_proc_entry( dev, ai );
2439 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2440 unregister_netdev( dev );
2441 if (ai->wifidev) {
2442 unregister_netdev(ai->wifidev);
2443 free_netdev(ai->wifidev);
2444 ai->wifidev = NULL;
2445 }
2446 clear_bit(FLAG_REGISTERED, &ai->flags);
2447 }
2448 /*
2449 * Clean out tx queue
2450 */
2451 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2452 struct sk_buff *skb = NULL;
2453 for (;(skb = skb_dequeue(&ai->txq));)
2454 dev_kfree_skb(skb);
2455 }
2456
2457 airo_networks_free (ai);
2458
2459 kfree(ai->flash);
2460 kfree(ai->rssi);
2461 kfree(ai->APList);
2462 kfree(ai->SSID);
2463 if (freeres) {
2464 /* PCMCIA frees this stuff, so only for PCI and ISA */
2465 release_region( dev->base_addr, 64 );
2466 if (test_bit(FLAG_MPI, &ai->flags)) {
2467 if (ai->pci)
2468 mpi_unmap_card(ai->pci);
2469 if (ai->pcimem)
2470 iounmap(ai->pcimem);
2471 if (ai->pciaux)
2472 iounmap(ai->pciaux);
2473 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2474 ai->shared, ai->shared_dma);
2475 }
2476 }
2477 crypto_free_cipher(ai->tfm);
2478 del_airo_dev(ai);
2479 free_netdev( dev );
2480 }
2481
2482 EXPORT_SYMBOL(stop_airo_card);
2483
2484 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2485 {
2486 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2487 return ETH_ALEN;
2488 }
2489
2490 static void mpi_unmap_card(struct pci_dev *pci)
2491 {
2492 unsigned long mem_start = pci_resource_start(pci, 1);
2493 unsigned long mem_len = pci_resource_len(pci, 1);
2494 unsigned long aux_start = pci_resource_start(pci, 2);
2495 unsigned long aux_len = AUXMEMSIZE;
2496
2497 release_mem_region(aux_start, aux_len);
2498 release_mem_region(mem_start, mem_len);
2499 }
2500
2501 /*************************************************************
2502 * This routine assumes that descriptors have been setup .
2503 * Run at insmod time or after reset when the decriptors
2504 * have been initialized . Returns 0 if all is well nz
2505 * otherwise . Does not allocate memory but sets up card
2506 * using previously allocated descriptors.
2507 */
2508 static int mpi_init_descriptors (struct airo_info *ai)
2509 {
2510 Cmd cmd;
2511 Resp rsp;
2512 int i;
2513 int rc = SUCCESS;
2514
2515 /* Alloc card RX descriptors */
2516 netif_stop_queue(ai->dev);
2517
2518 memset(&rsp,0,sizeof(rsp));
2519 memset(&cmd,0,sizeof(cmd));
2520
2521 cmd.cmd = CMD_ALLOCATEAUX;
2522 cmd.parm0 = FID_RX;
2523 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2524 cmd.parm2 = MPI_MAX_FIDS;
2525 rc=issuecommand(ai, &cmd, &rsp);
2526 if (rc != SUCCESS) {
2527 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2528 return rc;
2529 }
2530
2531 for (i=0; i<MPI_MAX_FIDS; i++) {
2532 memcpy_toio(ai->rxfids[i].card_ram_off,
2533 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2534 }
2535
2536 /* Alloc card TX descriptors */
2537
2538 memset(&rsp,0,sizeof(rsp));
2539 memset(&cmd,0,sizeof(cmd));
2540
2541 cmd.cmd = CMD_ALLOCATEAUX;
2542 cmd.parm0 = FID_TX;
2543 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2544 cmd.parm2 = MPI_MAX_FIDS;
2545
2546 for (i=0; i<MPI_MAX_FIDS; i++) {
2547 ai->txfids[i].tx_desc.valid = 1;
2548 memcpy_toio(ai->txfids[i].card_ram_off,
2549 &ai->txfids[i].tx_desc, sizeof(TxFid));
2550 }
2551 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2552
2553 rc=issuecommand(ai, &cmd, &rsp);
2554 if (rc != SUCCESS) {
2555 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2556 return rc;
2557 }
2558
2559 /* Alloc card Rid descriptor */
2560 memset(&rsp,0,sizeof(rsp));
2561 memset(&cmd,0,sizeof(cmd));
2562
2563 cmd.cmd = CMD_ALLOCATEAUX;
2564 cmd.parm0 = RID_RW;
2565 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2566 cmd.parm2 = 1; /* Magic number... */
2567 rc=issuecommand(ai, &cmd, &rsp);
2568 if (rc != SUCCESS) {
2569 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2570 return rc;
2571 }
2572
2573 memcpy_toio(ai->config_desc.card_ram_off,
2574 &ai->config_desc.rid_desc, sizeof(Rid));
2575
2576 return rc;
2577 }
2578
2579 /*
2580 * We are setting up three things here:
2581 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2582 * 2) Map PCI memory for issueing commands.
2583 * 3) Allocate memory (shared) to send and receive ethernet frames.
2584 */
2585 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2586 {
2587 unsigned long mem_start, mem_len, aux_start, aux_len;
2588 int rc = -1;
2589 int i;
2590 dma_addr_t busaddroff;
2591 unsigned char *vpackoff;
2592 unsigned char __iomem *pciaddroff;
2593
2594 mem_start = pci_resource_start(pci, 1);
2595 mem_len = pci_resource_len(pci, 1);
2596 aux_start = pci_resource_start(pci, 2);
2597 aux_len = AUXMEMSIZE;
2598
2599 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2600 airo_print_err("", "Couldn't get region %x[%x]",
2601 (int)mem_start, (int)mem_len);
2602 goto out;
2603 }
2604 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2605 airo_print_err("", "Couldn't get region %x[%x]",
2606 (int)aux_start, (int)aux_len);
2607 goto free_region1;
2608 }
2609
2610 ai->pcimem = ioremap(mem_start, mem_len);
2611 if (!ai->pcimem) {
2612 airo_print_err("", "Couldn't map region %x[%x]",
2613 (int)mem_start, (int)mem_len);
2614 goto free_region2;
2615 }
2616 ai->pciaux = ioremap(aux_start, aux_len);
2617 if (!ai->pciaux) {
2618 airo_print_err("", "Couldn't map region %x[%x]",
2619 (int)aux_start, (int)aux_len);
2620 goto free_memmap;
2621 }
2622
2623 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2624 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2625 if (!ai->shared) {
2626 airo_print_err("", "Couldn't alloc_consistent %d",
2627 PCI_SHARED_LEN);
2628 goto free_auxmap;
2629 }
2630
2631 /*
2632 * Setup descriptor RX, TX, CONFIG
2633 */
2634 busaddroff = ai->shared_dma;
2635 pciaddroff = ai->pciaux + AUX_OFFSET;
2636 vpackoff = ai->shared;
2637
2638 /* RX descriptor setup */
2639 for(i = 0; i < MPI_MAX_FIDS; i++) {
2640 ai->rxfids[i].pending = 0;
2641 ai->rxfids[i].card_ram_off = pciaddroff;
2642 ai->rxfids[i].virtual_host_addr = vpackoff;
2643 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2644 ai->rxfids[i].rx_desc.valid = 1;
2645 ai->rxfids[i].rx_desc.len = PKTSIZE;
2646 ai->rxfids[i].rx_desc.rdy = 0;
2647
2648 pciaddroff += sizeof(RxFid);
2649 busaddroff += PKTSIZE;
2650 vpackoff += PKTSIZE;
2651 }
2652
2653 /* TX descriptor setup */
2654 for(i = 0; i < MPI_MAX_FIDS; i++) {
2655 ai->txfids[i].card_ram_off = pciaddroff;
2656 ai->txfids[i].virtual_host_addr = vpackoff;
2657 ai->txfids[i].tx_desc.valid = 1;
2658 ai->txfids[i].tx_desc.host_addr = busaddroff;
2659 memcpy(ai->txfids[i].virtual_host_addr,
2660 &wifictlhdr8023, sizeof(wifictlhdr8023));
2661
2662 pciaddroff += sizeof(TxFid);
2663 busaddroff += PKTSIZE;
2664 vpackoff += PKTSIZE;
2665 }
2666 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2667
2668 /* Rid descriptor setup */
2669 ai->config_desc.card_ram_off = pciaddroff;
2670 ai->config_desc.virtual_host_addr = vpackoff;
2671 ai->config_desc.rid_desc.host_addr = busaddroff;
2672 ai->ridbus = busaddroff;
2673 ai->config_desc.rid_desc.rid = 0;
2674 ai->config_desc.rid_desc.len = RIDSIZE;
2675 ai->config_desc.rid_desc.valid = 1;
2676 pciaddroff += sizeof(Rid);
2677 busaddroff += RIDSIZE;
2678 vpackoff += RIDSIZE;
2679
2680 /* Tell card about descriptors */
2681 if (mpi_init_descriptors (ai) != SUCCESS)
2682 goto free_shared;
2683
2684 return 0;
2685 free_shared:
2686 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2687 free_auxmap:
2688 iounmap(ai->pciaux);
2689 free_memmap:
2690 iounmap(ai->pcimem);
2691 free_region2:
2692 release_mem_region(aux_start, aux_len);
2693 free_region1:
2694 release_mem_region(mem_start, mem_len);
2695 out:
2696 return rc;
2697 }
2698
2699 static const struct header_ops airo_header_ops = {
2700 .parse = wll_header_parse,
2701 };
2702
2703 static void wifi_setup(struct net_device *dev)
2704 {
2705 dev->header_ops = &airo_header_ops;
2706 dev->hard_start_xmit = &airo_start_xmit11;
2707 dev->get_stats = &airo_get_stats;
2708 dev->set_mac_address = &airo_set_mac_address;
2709 dev->do_ioctl = &airo_ioctl;
2710 dev->wireless_handlers = &airo_handler_def;
2711 dev->change_mtu = &airo_change_mtu;
2712 dev->open = &airo_open;
2713 dev->stop = &airo_close;
2714
2715 dev->type = ARPHRD_IEEE80211;
2716 dev->hard_header_len = ETH_HLEN;
2717 dev->mtu = AIRO_DEF_MTU;
2718 dev->addr_len = ETH_ALEN;
2719 dev->tx_queue_len = 100;
2720
2721 memset(dev->broadcast,0xFF, ETH_ALEN);
2722
2723 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2724 }
2725
2726 static struct net_device *init_wifidev(struct airo_info *ai,
2727 struct net_device *ethdev)
2728 {
2729 int err;
2730 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2731 if (!dev)
2732 return NULL;
2733 dev->priv = ethdev->priv;
2734 dev->irq = ethdev->irq;
2735 dev->base_addr = ethdev->base_addr;
2736 dev->wireless_data = ethdev->wireless_data;
2737 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2738 err = register_netdev(dev);
2739 if (err<0) {
2740 free_netdev(dev);
2741 return NULL;
2742 }
2743 return dev;
2744 }
2745
2746 static int reset_card( struct net_device *dev , int lock) {
2747 struct airo_info *ai = dev->priv;
2748
2749 if (lock && down_interruptible(&ai->sem))
2750 return -1;
2751 waitbusy (ai);
2752 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2753 msleep(200);
2754 waitbusy (ai);
2755 msleep(200);
2756 if (lock)
2757 up(&ai->sem);
2758 return 0;
2759 }
2760
2761 #define AIRO_MAX_NETWORK_COUNT 64
2762 static int airo_networks_allocate(struct airo_info *ai)
2763 {
2764 if (ai->networks)
2765 return 0;
2766
2767 ai->networks =
2768 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2769 GFP_KERNEL);
2770 if (!ai->networks) {
2771 airo_print_warn("", "Out of memory allocating beacons");
2772 return -ENOMEM;
2773 }
2774
2775 return 0;
2776 }
2777
2778 static void airo_networks_free(struct airo_info *ai)
2779 {
2780 kfree(ai->networks);
2781 ai->networks = NULL;
2782 }
2783
2784 static void airo_networks_initialize(struct airo_info *ai)
2785 {
2786 int i;
2787
2788 INIT_LIST_HEAD(&ai->network_free_list);
2789 INIT_LIST_HEAD(&ai->network_list);
2790 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2791 list_add_tail(&ai->networks[i].list,
2792 &ai->network_free_list);
2793 }
2794
2795 static int airo_test_wpa_capable(struct airo_info *ai)
2796 {
2797 int status;
2798 CapabilityRid cap_rid;
2799
2800 status = readCapabilityRid(ai, &cap_rid, 1);
2801 if (status != SUCCESS) return 0;
2802
2803 /* Only firmware versions 5.30.17 or better can do WPA */
2804 if ((cap_rid.softVer > 0x530)
2805 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2806 airo_print_info("", "WPA is supported.");
2807 return 1;
2808 }
2809
2810 /* No WPA support */
2811 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2812 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2813 return 0;
2814 }
2815
2816 static struct net_device *_init_airo_card( unsigned short irq, int port,
2817 int is_pcmcia, struct pci_dev *pci,
2818 struct device *dmdev )
2819 {
2820 struct net_device *dev;
2821 struct airo_info *ai;
2822 int i, rc;
2823 DECLARE_MAC_BUF(mac);
2824
2825 /* Create the network device object. */
2826 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2827 if (!dev) {
2828 airo_print_err("", "Couldn't alloc_etherdev");
2829 return NULL;
2830 }
2831
2832 ai = dev->priv;
2833 ai->wifidev = NULL;
2834 ai->flags = 1 << FLAG_RADIO_DOWN;
2835 ai->jobs = 0;
2836 ai->dev = dev;
2837 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2838 airo_print_dbg("", "Found an MPI350 card");
2839 set_bit(FLAG_MPI, &ai->flags);
2840 }
2841 spin_lock_init(&ai->aux_lock);
2842 sema_init(&ai->sem, 1);
2843 ai->config.len = 0;
2844 ai->pci = pci;
2845 init_waitqueue_head (&ai->thr_wait);
2846 ai->tfm = NULL;
2847 add_airo_dev(ai);
2848
2849 if (airo_networks_allocate (ai))
2850 goto err_out_free;
2851 airo_networks_initialize (ai);
2852
2853 /* The Airo-specific entries in the device structure. */
2854 if (test_bit(FLAG_MPI,&ai->flags)) {
2855 skb_queue_head_init (&ai->txq);
2856 dev->hard_start_xmit = &mpi_start_xmit;
2857 } else
2858 dev->hard_start_xmit = &airo_start_xmit;
2859 dev->get_stats = &airo_get_stats;
2860 dev->set_multicast_list = &airo_set_multicast_list;
2861 dev->set_mac_address = &airo_set_mac_address;
2862 dev->do_ioctl = &airo_ioctl;
2863 dev->wireless_handlers = &airo_handler_def;
2864 ai->wireless_data.spy_data = &ai->spy_data;
2865 dev->wireless_data = &ai->wireless_data;
2866 dev->change_mtu = &airo_change_mtu;
2867 dev->open = &airo_open;
2868 dev->stop = &airo_close;
2869 dev->irq = irq;
2870 dev->base_addr = port;
2871
2872 SET_NETDEV_DEV(dev, dmdev);
2873
2874 reset_card (dev, 1);
2875 msleep(400);
2876
2877 if (!is_pcmcia) {
2878 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2879 rc = -EBUSY;
2880 airo_print_err(dev->name, "Couldn't request region");
2881 goto err_out_nets;
2882 }
2883 }
2884
2885 if (test_bit(FLAG_MPI,&ai->flags)) {
2886 if (mpi_map_card(ai, pci)) {
2887 airo_print_err("", "Could not map memory");
2888 goto err_out_res;
2889 }
2890 }
2891
2892 if (probe) {
2893 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2894 airo_print_err(dev->name, "MAC could not be enabled" );
2895 rc = -EIO;
2896 goto err_out_map;
2897 }
2898 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2899 ai->bap_read = fast_bap_read;
2900 set_bit(FLAG_FLASHING, &ai->flags);
2901 }
2902
2903 /* Test for WPA support */
2904 if (airo_test_wpa_capable(ai)) {
2905 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2906 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2907 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2908 ai->bssListRidLen = sizeof(BSSListRid);
2909 } else {
2910 ai->bssListFirst = RID_BSSLISTFIRST;
2911 ai->bssListNext = RID_BSSLISTNEXT;
2912 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2913 }
2914
2915 strcpy(dev->name, "eth%d");
2916 rc = register_netdev(dev);
2917 if (rc) {
2918 airo_print_err(dev->name, "Couldn't register_netdev");
2919 goto err_out_map;
2920 }
2921 ai->wifidev = init_wifidev(ai, dev);
2922 if (!ai->wifidev)
2923 goto err_out_reg;
2924
2925 set_bit(FLAG_REGISTERED,&ai->flags);
2926 airo_print_info(dev->name, "MAC enabled %s",
2927 print_mac(mac, dev->dev_addr));
2928
2929 /* Allocate the transmit buffers */
2930 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2931 for( i = 0; i < MAX_FIDS; i++ )
2932 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2933
2934 if (setup_proc_entry(dev, dev->priv) < 0)
2935 goto err_out_wifi;
2936
2937 return dev;
2938
2939 err_out_wifi:
2940 unregister_netdev(ai->wifidev);
2941 free_netdev(ai->wifidev);
2942 err_out_reg:
2943 unregister_netdev(dev);
2944 err_out_map:
2945 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2946 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2947 iounmap(ai->pciaux);
2948 iounmap(ai->pcimem);
2949 mpi_unmap_card(ai->pci);
2950 }
2951 err_out_res:
2952 if (!is_pcmcia)
2953 release_region( dev->base_addr, 64 );
2954 err_out_nets:
2955 airo_networks_free(ai);
2956 del_airo_dev(ai);
2957 err_out_free:
2958 free_netdev(dev);
2959 return NULL;
2960 }
2961
2962 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2963 struct device *dmdev)
2964 {
2965 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2966 }
2967
2968 EXPORT_SYMBOL(init_airo_card);
2969
2970 static int waitbusy (struct airo_info *ai) {
2971 int delay = 0;
2972 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2973 udelay (10);
2974 if ((++delay % 20) == 0)
2975 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2976 }
2977 return delay < 10000;
2978 }
2979
2980 int reset_airo_card( struct net_device *dev )
2981 {
2982 int i;
2983 struct airo_info *ai = dev->priv;
2984 DECLARE_MAC_BUF(mac);
2985
2986 if (reset_card (dev, 1))
2987 return -1;
2988
2989 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2990 airo_print_err(dev->name, "MAC could not be enabled");
2991 return -1;
2992 }
2993 airo_print_info(dev->name, "MAC enabled %s",
2994 print_mac(mac, dev->dev_addr));
2995 /* Allocate the transmit buffers if needed */
2996 if (!test_bit(FLAG_MPI,&ai->flags))
2997 for( i = 0; i < MAX_FIDS; i++ )
2998 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2999
3000 enable_interrupts( ai );
3001 netif_wake_queue(dev);
3002 return 0;
3003 }
3004
3005 EXPORT_SYMBOL(reset_airo_card);
3006
3007 static void airo_send_event(struct net_device *dev) {
3008 struct airo_info *ai = dev->priv;
3009 union iwreq_data wrqu;
3010 StatusRid status_rid;
3011
3012 clear_bit(JOB_EVENT, &ai->jobs);
3013 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3014 up(&ai->sem);
3015 wrqu.data.length = 0;
3016 wrqu.data.flags = 0;
3017 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3018 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3019
3020 /* Send event to user space */
3021 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3022 }
3023
3024 static void airo_process_scan_results (struct airo_info *ai) {
3025 union iwreq_data wrqu;
3026 BSSListRid bss;
3027 int rc;
3028 BSSListElement * loop_net;
3029 BSSListElement * tmp_net;
3030
3031 /* Blow away current list of scan results */
3032 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3033 list_move_tail (&loop_net->list, &ai->network_free_list);
3034 /* Don't blow away ->list, just BSS data */
3035 memset (loop_net, 0, sizeof (loop_net->bss));
3036 }
3037
3038 /* Try to read the first entry of the scan result */
3039 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3040 if((rc) || (bss.index == 0xffff)) {
3041 /* No scan results */
3042 goto out;
3043 }
3044
3045 /* Read and parse all entries */
3046 tmp_net = NULL;
3047 while((!rc) && (bss.index != 0xffff)) {
3048 /* Grab a network off the free list */
3049 if (!list_empty(&ai->network_free_list)) {
3050 tmp_net = list_entry(ai->network_free_list.next,
3051 BSSListElement, list);
3052 list_del(ai->network_free_list.next);
3053 }
3054
3055 if (tmp_net != NULL) {
3056 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3057 list_add_tail(&tmp_net->list, &ai->network_list);
3058 tmp_net = NULL;
3059 }
3060
3061 /* Read next entry */
3062 rc = PC4500_readrid(ai, ai->bssListNext,
3063 &bss, ai->bssListRidLen, 0);
3064 }
3065
3066 out:
3067 ai->scan_timeout = 0;
3068 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3069 up(&ai->sem);
3070
3071 /* Send an empty event to user space.
3072 * We don't send the received data on
3073 * the event because it would require
3074 * us to do complex transcoding, and
3075 * we want to minimise the work done in
3076 * the irq handler. Use a request to
3077 * extract the data - Jean II */
3078 wrqu.data.length = 0;
3079 wrqu.data.flags = 0;
3080 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3081 }
3082
3083 static int airo_thread(void *data) {
3084 struct net_device *dev = data;
3085 struct airo_info *ai = dev->priv;
3086 int locked;
3087
3088 set_freezable();
3089 while(1) {
3090 /* make swsusp happy with our thread */
3091 try_to_freeze();
3092
3093 if (test_bit(JOB_DIE, &ai->jobs))
3094 break;
3095
3096 if (ai->jobs) {
3097 locked = down_interruptible(&ai->sem);
3098 } else {
3099 wait_queue_t wait;
3100
3101 init_waitqueue_entry(&wait, current);
3102 add_wait_queue(&ai->thr_wait, &wait);
3103 for (;;) {
3104 set_current_state(TASK_INTERRUPTIBLE);
3105 if (ai->jobs)
3106 break;
3107 if (ai->expires || ai->scan_timeout) {
3108 if (ai->scan_timeout &&
3109 time_after_eq(jiffies,ai->scan_timeout)){
3110 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3111 break;
3112 } else if (ai->expires &&
3113 time_after_eq(jiffies,ai->expires)){
3114 set_bit(JOB_AUTOWEP, &ai->jobs);
3115 break;
3116 }
3117 if (!kthread_should_stop() &&
3118 !freezing(current)) {
3119 unsigned long wake_at;
3120 if (!ai->expires || !ai->scan_timeout) {
3121 wake_at = max(ai->expires,
3122 ai->scan_timeout);
3123 } else {
3124 wake_at = min(ai->expires,
3125 ai->scan_timeout);
3126 }
3127 schedule_timeout(wake_at - jiffies);
3128 continue;
3129 }
3130 } else if (!kthread_should_stop() &&
3131 !freezing(current)) {
3132 schedule();
3133 continue;
3134 }
3135 break;
3136 }
3137 current->state = TASK_RUNNING;
3138 remove_wait_queue(&ai->thr_wait, &wait);
3139 locked = 1;
3140 }
3141
3142 if (locked)
3143 continue;
3144
3145 if (test_bit(JOB_DIE, &ai->jobs)) {
3146 up(&ai->sem);
3147 break;
3148 }
3149
3150 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3151 up(&ai->sem);
3152 continue;
3153 }
3154
3155 if (test_bit(JOB_XMIT, &ai->jobs))
3156 airo_end_xmit(dev);
3157 else if (test_bit(JOB_XMIT11, &ai->jobs))
3158 airo_end_xmit11(dev);
3159 else if (test_bit(JOB_STATS, &ai->jobs))
3160 airo_read_stats(ai);
3161 else if (test_bit(JOB_WSTATS, &ai->jobs))
3162 airo_read_wireless_stats(ai);
3163 else if (test_bit(JOB_PROMISC, &ai->jobs))
3164 airo_set_promisc(ai);
3165 else if (test_bit(JOB_MIC, &ai->jobs))
3166 micinit(ai);
3167 else if (test_bit(JOB_EVENT, &ai->jobs))
3168 airo_send_event(dev);
3169 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3170 timer_func(dev);
3171 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3172 airo_process_scan_results(ai);
3173 else /* Shouldn't get here, but we make sure to unlock */
3174 up(&ai->sem);
3175 }
3176
3177 return 0;
3178 }
3179
3180 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3181 struct net_device *dev = (struct net_device *)dev_id;
3182 u16 status;
3183 u16 fid;
3184 struct airo_info *apriv = dev->priv;
3185 u16 savedInterrupts = 0;
3186 int handled = 0;
3187
3188 if (!netif_device_present(dev))
3189 return IRQ_NONE;
3190
3191 for (;;) {
3192 status = IN4500( apriv, EVSTAT );
3193 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3194
3195 handled = 1;
3196
3197 if ( status & EV_AWAKE ) {
3198 OUT4500( apriv, EVACK, EV_AWAKE );
3199 OUT4500( apriv, EVACK, EV_AWAKE );
3200 }
3201
3202 if (!savedInterrupts) {
3203 savedInterrupts = IN4500( apriv, EVINTEN );
3204 OUT4500( apriv, EVINTEN, 0 );
3205 }
3206
3207 if ( status & EV_MIC ) {
3208 OUT4500( apriv, EVACK, EV_MIC );
3209 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3210 set_bit(JOB_MIC, &apriv->jobs);
3211 wake_up_interruptible(&apriv->thr_wait);
3212 }
3213 }
3214 if ( status & EV_LINK ) {
3215 union iwreq_data wrqu;
3216 int scan_forceloss = 0;
3217 /* The link status has changed, if you want to put a
3218 monitor hook in, do it here. (Remember that
3219 interrupts are still disabled!)
3220 */
3221 u16 newStatus = IN4500(apriv, LINKSTAT);
3222 OUT4500( apriv, EVACK, EV_LINK);
3223 /* Here is what newStatus means: */
3224 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3225 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3226 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3227 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3228 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3229 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3230 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3231 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3232 code) */
3233 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3234 code) */
3235 #define ASSOCIATED 0x0400 /* Associated */
3236 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3237 #define RC_RESERVED 0 /* Reserved return code */
3238 #define RC_NOREASON 1 /* Unspecified reason */
3239 #define RC_AUTHINV 2 /* Previous authentication invalid */
3240 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3241 leaving */
3242 #define RC_NOACT 4 /* Disassociated due to inactivity */
3243 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3244 all currently associated stations */
3245 #define RC_BADCLASS2 6 /* Class 2 frame received from
3246 non-Authenticated station */
3247 #define RC_BADCLASS3 7 /* Class 3 frame received from
3248 non-Associated station */
3249 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3250 leaving BSS */
3251 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3252 Authenticated with the responding station */
3253 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3254 scan_forceloss = 1;
3255 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3256 if (auto_wep)
3257 apriv->expires = 0;
3258 if (apriv->list_bss_task)
3259 wake_up_process(apriv->list_bss_task);
3260 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3261 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3262
3263 if (down_trylock(&apriv->sem) != 0) {
3264 set_bit(JOB_EVENT, &apriv->jobs);
3265 wake_up_interruptible(&apriv->thr_wait);
3266 } else
3267 airo_send_event(dev);
3268 } else if (!scan_forceloss) {
3269 if (auto_wep && !apriv->expires) {
3270 apriv->expires = RUN_AT(3*HZ);
3271 wake_up_interruptible(&apriv->thr_wait);
3272 }
3273
3274 /* Send event to user space */
3275 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3276 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3277 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3278 }
3279 }
3280
3281 /* Check to see if there is something to receive */
3282 if ( status & EV_RX ) {
3283 struct sk_buff *skb = NULL;
3284 u16 fc, len, hdrlen = 0;
3285 #pragma pack(1)
3286 struct {
3287 u16 status, len;
3288 u8 rssi[2];
3289 u8 rate;
3290 u8 freq;
3291 u16 tmp[4];
3292 } hdr;
3293 #pragma pack()
3294 u16 gap;
3295 u16 tmpbuf[4];
3296 u16 *buffer;
3297
3298 if (test_bit(FLAG_MPI,&apriv->flags)) {
3299 if (test_bit(FLAG_802_11, &apriv->flags))
3300 mpi_receive_802_11(apriv);
3301 else
3302 mpi_receive_802_3(apriv);
3303 OUT4500(apriv, EVACK, EV_RX);
3304 goto exitrx;
3305 }
3306
3307 fid = IN4500( apriv, RXFID );
3308
3309 /* Get the packet length */
3310 if (test_bit(FLAG_802_11, &apriv->flags)) {
3311 bap_setup (apriv, fid, 4, BAP0);
3312 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3313 /* Bad CRC. Ignore packet */
3314 if (le16_to_cpu(hdr.status) & 2)
3315 hdr.len = 0;
3316 if (apriv->wifidev == NULL)
3317 hdr.len = 0;
3318 } else {
3319 bap_setup (apriv, fid, 0x36, BAP0);
3320 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3321 }
3322 len = le16_to_cpu(hdr.len);
3323
3324 if (len > AIRO_DEF_MTU) {
3325 airo_print_err(apriv->dev->name, "Bad size %d", len);
3326 goto badrx;
3327 }
3328 if (len == 0)
3329 goto badrx;
3330
3331 if (test_bit(FLAG_802_11, &apriv->flags)) {
3332 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3333 fc = le16_to_cpu(fc);
3334 switch (fc & 0xc) {
3335 case 4:
3336 if ((fc & 0xe0) == 0xc0)
3337 hdrlen = 10;
3338 else
3339 hdrlen = 16;
3340 break;
3341 case 8:
3342 if ((fc&0x300)==0x300){
3343 hdrlen = 30;
3344 break;
3345 }
3346 default:
3347 hdrlen = 24;
3348 }
3349 } else
3350 hdrlen = ETH_ALEN * 2;
3351
3352 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3353 if ( !skb ) {
3354 apriv->stats.rx_dropped++;
3355 goto badrx;
3356 }
3357 skb_reserve(skb, 2); /* This way the IP header is aligned */
3358 buffer = (u16*)skb_put (skb, len + hdrlen);
3359 if (test_bit(FLAG_802_11, &apriv->flags)) {
3360 buffer[0] = fc;
3361 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3362 if (hdrlen == 24)
3363 bap_read (apriv, tmpbuf, 6, BAP0);
3364
3365 bap_read (apriv, &gap, sizeof(gap), BAP0);
3366 gap = le16_to_cpu(gap);
3367 if (gap) {
3368 if (gap <= 8) {
3369 bap_read (apriv, tmpbuf, gap, BAP0);
3370 } else {
3371 airo_print_err(apriv->dev->name, "gaplen too "
3372 "big. Problems will follow...");
3373 }
3374 }
3375 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3376 } else {
3377 MICBuffer micbuf;
3378 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3379 if (apriv->micstats.enabled) {
3380 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3381 if (ntohs(micbuf.typelen) > 0x05DC)
3382 bap_setup (apriv, fid, 0x44, BAP0);
3383 else {
3384 if (len <= sizeof(micbuf))
3385 goto badmic;
3386
3387 len -= sizeof(micbuf);
3388 skb_trim (skb, len + hdrlen);
3389 }
3390 }
3391 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3392 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3393 badmic:
3394 dev_kfree_skb_irq (skb);
3395 badrx:
3396 OUT4500( apriv, EVACK, EV_RX);
3397 goto exitrx;
3398 }
3399 }
3400 #ifdef WIRELESS_SPY
3401 if (apriv->spy_data.spy_number > 0) {
3402 char *sa;
3403 struct iw_quality wstats;
3404 /* Prepare spy data : addr + qual */
3405 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3406 sa = (char*)buffer + 6;
3407 bap_setup (apriv, fid, 8, BAP0);
3408 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3409 } else
3410 sa = (char*)buffer + 10;
3411 wstats.qual = hdr.rssi[0];
3412 if (apriv->rssi)
3413 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3414 else
3415 wstats.level = (hdr.rssi[1] + 321) / 2;
3416 wstats.noise = apriv->wstats.qual.noise;
3417 wstats.updated = IW_QUAL_LEVEL_UPDATED
3418 | IW_QUAL_QUAL_UPDATED
3419 | IW_QUAL_DBM;
3420 /* Update spy records */
3421 wireless_spy_update(dev, sa, &wstats);
3422 }
3423 #endif /* WIRELESS_SPY */
3424 OUT4500( apriv, EVACK, EV_RX);
3425
3426 if (test_bit(FLAG_802_11, &apriv->flags)) {
3427 skb_reset_mac_header(skb);
3428 skb->pkt_type = PACKET_OTHERHOST;
3429 skb->dev = apriv->wifidev;
3430 skb->protocol = htons(ETH_P_802_2);
3431 } else
3432 skb->protocol = eth_type_trans(skb,dev);
3433 skb->dev->last_rx = jiffies;
3434 skb->ip_summed = CHECKSUM_NONE;
3435
3436 netif_rx( skb );
3437 }
3438 exitrx:
3439
3440 /* Check to see if a packet has been transmitted */
3441 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3442 int i;
3443 int len = 0;
3444 int index = -1;
3445
3446 if (test_bit(FLAG_MPI,&apriv->flags)) {
3447 unsigned long flags;
3448
3449 if (status & EV_TXEXC)
3450 get_tx_error(apriv, -1);
3451 spin_lock_irqsave(&apriv->aux_lock, flags);
3452 if (!skb_queue_empty(&apriv->txq)) {
3453 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3454 mpi_send_packet (dev);
3455 } else {
3456 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3457 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3458 netif_wake_queue (dev);
3459 }
3460 OUT4500( apriv, EVACK,
3461 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3462 goto exittx;
3463 }
3464
3465 fid = IN4500(apriv, TXCOMPLFID);
3466
3467 for( i = 0; i < MAX_FIDS; i++ ) {
3468 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3469 len = apriv->fids[i] >> 16;
3470 index = i;
3471 }
3472 }
3473 if (index != -1) {
3474 if (status & EV_TXEXC)
3475 get_tx_error(apriv, index);
3476 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3477 /* Set up to be used again */
3478 apriv->fids[index] &= 0xffff;
3479 if (index < MAX_FIDS / 2) {
3480 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3481 netif_wake_queue(dev);
3482 } else {
3483 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3484 netif_wake_queue(apriv->wifidev);
3485 }
3486 } else {
3487 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3488 airo_print_err(apriv->dev->name, "Unallocated FID was "
3489 "used to xmit" );
3490 }
3491 }
3492 exittx:
3493 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3494 airo_print_warn(apriv->dev->name, "Got weird status %x",
3495 status & ~STATUS_INTS & ~IGNORE_INTS );
3496 }
3497
3498 if (savedInterrupts)
3499 OUT4500( apriv, EVINTEN, savedInterrupts );
3500
3501 /* done.. */
3502 return IRQ_RETVAL(handled);
3503 }
3504
3505 /*
3506 * Routines to talk to the card
3507 */
3508
3509 /*
3510 * This was originally written for the 4500, hence the name
3511 * NOTE: If use with 8bit mode and SMP bad things will happen!
3512 * Why would some one do 8 bit IO in an SMP machine?!?
3513 */
3514 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3515 if (test_bit(FLAG_MPI,&ai->flags))
3516 reg <<= 1;
3517 if ( !do8bitIO )
3518 outw( val, ai->dev->base_addr + reg );
3519 else {
3520 outb( val & 0xff, ai->dev->base_addr + reg );
3521 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3522 }
3523 }
3524
3525 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3526 unsigned short rc;
3527
3528 if (test_bit(FLAG_MPI,&ai->flags))
3529 reg <<= 1;
3530 if ( !do8bitIO )
3531 rc = inw( ai->dev->base_addr + reg );
3532 else {
3533 rc = inb( ai->dev->base_addr + reg );
3534 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3535 }
3536 return rc;
3537 }
3538
3539 static int enable_MAC(struct airo_info *ai, int lock)
3540 {
3541 int rc;
3542 Cmd cmd;
3543 Resp rsp;
3544
3545 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3546 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3547 * Note : we could try to use !netif_running(dev) in enable_MAC()
3548 * instead of this flag, but I don't trust it *within* the
3549 * open/close functions, and testing both flags together is
3550 * "cheaper" - Jean II */
3551 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3552
3553 if (lock && down_interruptible(&ai->sem))
3554 return -ERESTARTSYS;
3555
3556 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3557 memset(&cmd, 0, sizeof(cmd));
3558 cmd.cmd = MAC_ENABLE;
3559 rc = issuecommand(ai, &cmd, &rsp);
3560 if (rc == SUCCESS)
3561 set_bit(FLAG_ENABLED, &ai->flags);
3562 } else
3563 rc = SUCCESS;
3564
3565 if (lock)
3566 up(&ai->sem);
3567
3568 if (rc)
3569 airo_print_err(ai->dev->name, "Cannot enable MAC");
3570 else if ((rsp.status & 0xFF00) != 0) {
3571 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3572 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3573 rc = ERROR;
3574 }
3575 return rc;
3576 }
3577
3578 static void disable_MAC( struct airo_info *ai, int lock ) {
3579 Cmd cmd;
3580 Resp rsp;
3581
3582 if (lock && down_interruptible(&ai->sem))
3583 return;
3584
3585 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3586 memset(&cmd, 0, sizeof(cmd));
3587 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3588 issuecommand(ai, &cmd, &rsp);
3589 clear_bit(FLAG_ENABLED, &ai->flags);
3590 }
3591 if (lock)
3592 up(&ai->sem);
3593 }
3594
3595 static void enable_interrupts( struct airo_info *ai ) {
3596 /* Enable the interrupts */
3597 OUT4500( ai, EVINTEN, STATUS_INTS );
3598 }
3599
3600 static void disable_interrupts( struct airo_info *ai ) {
3601 OUT4500( ai, EVINTEN, 0 );
3602 }
3603
3604 static void mpi_receive_802_3(struct airo_info *ai)
3605 {
3606 RxFid rxd;
3607 int len = 0;
3608 struct sk_buff *skb;
3609 char *buffer;
3610 int off = 0;
3611 MICBuffer micbuf;
3612
3613 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3614 /* Make sure we got something */
3615 if (rxd.rdy && rxd.valid == 0) {
3616 len = rxd.len + 12;
3617 if (len < 12 || len > 2048)
3618 goto badrx;
3619
3620 skb = dev_alloc_skb(len);
3621 if (!skb) {
3622 ai->stats.rx_dropped++;
3623 goto badrx;
3624 }
3625 buffer = skb_put(skb,len);
3626 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3627 if (ai->micstats.enabled) {
3628 memcpy(&micbuf,
3629 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3630 sizeof(micbuf));
3631 if (ntohs(micbuf.typelen) <= 0x05DC) {
3632 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3633 goto badmic;
3634
3635 off = sizeof(micbuf);
3636 skb_trim (skb, len - off);
3637 }
3638 }
3639 memcpy(buffer + ETH_ALEN * 2,
3640 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3641 len - ETH_ALEN * 2 - off);
3642 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3643 badmic:
3644 dev_kfree_skb_irq (skb);
3645 goto badrx;
3646 }
3647 #ifdef WIRELESS_SPY
3648 if (ai->spy_data.spy_number > 0) {
3649 char *sa;
3650 struct iw_quality wstats;
3651 /* Prepare spy data : addr + qual */
3652 sa = buffer + ETH_ALEN;
3653 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3654 wstats.level = 0;
3655 wstats.updated = 0;
3656 /* Update spy records */
3657 wireless_spy_update(ai->dev, sa, &wstats);
3658 }
3659 #endif /* WIRELESS_SPY */
3660
3661 skb->ip_summed = CHECKSUM_NONE;
3662 skb->protocol = eth_type_trans(skb, ai->dev);
3663 skb->dev->last_rx = jiffies;
3664 netif_rx(skb);
3665 }
3666 badrx:
3667 if (rxd.valid == 0) {
3668 rxd.valid = 1;
3669 rxd.rdy = 0;
3670 rxd.len = PKTSIZE;
3671 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3672 }
3673 }
3674
3675 void mpi_receive_802_11 (struct airo_info *ai)
3676 {
3677 RxFid rxd;
3678 struct sk_buff *skb = NULL;
3679 u16 fc, len, hdrlen = 0;
3680 #pragma pack(1)
3681 struct {
3682 u16 status, len;
3683 u8 rssi[2];
3684 u8 rate;
3685 u8 freq;
3686 u16 tmp[4];
3687 } hdr;
3688 #pragma pack()
3689 u16 gap;
3690 u16 *buffer;
3691 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3692
3693 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3694 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3695 ptr += sizeof(hdr);
3696 /* Bad CRC. Ignore packet */
3697 if (le16_to_cpu(hdr.status) & 2)
3698 hdr.len = 0;
3699 if (ai->wifidev == NULL)
3700 hdr.len = 0;
3701 len = le16_to_cpu(hdr.len);
3702 if (len > AIRO_DEF_MTU) {
3703 airo_print_err(ai->dev->name, "Bad size %d", len);
3704 goto badrx;
3705 }
3706 if (len == 0)
3707 goto badrx;
3708
3709 memcpy ((char *)&fc, ptr, sizeof(fc));
3710 fc = le16_to_cpu(fc);
3711 switch (fc & 0xc) {
3712 case 4:
3713 if ((fc & 0xe0) == 0xc0)
3714 hdrlen = 10;
3715 else
3716 hdrlen = 16;
3717 break;
3718 case 8:
3719 if ((fc&0x300)==0x300){
3720 hdrlen = 30;
3721 break;
3722 }
3723 default:
3724 hdrlen = 24;
3725 }
3726
3727 skb = dev_alloc_skb( len + hdrlen + 2 );
3728 if ( !skb ) {
3729 ai->stats.rx_dropped++;
3730 goto badrx;
3731 }
3732 buffer = (u16*)skb_put (skb, len + hdrlen);
3733 memcpy ((char *)buffer, ptr, hdrlen);
3734 ptr += hdrlen;
3735 if (hdrlen == 24)
3736 ptr += 6;
3737 memcpy ((char *)&gap, ptr, sizeof(gap));
3738 ptr += sizeof(gap);
3739 gap = le16_to_cpu(gap);
3740 if (gap) {
3741 if (gap <= 8)
3742 ptr += gap;
3743 else
3744 airo_print_err(ai->dev->name,
3745 "gaplen too big. Problems will follow...");
3746 }
3747 memcpy ((char *)buffer + hdrlen, ptr, len);
3748 ptr += len;
3749 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3750 if (ai->spy_data.spy_number > 0) {
3751 char *sa;
3752 struct iw_quality wstats;
3753 /* Prepare spy data : addr + qual */
3754 sa = (char*)buffer + 10;
3755 wstats.qual = hdr.rssi[0];
3756 if (ai->rssi)
3757 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3758 else
3759 wstats.level = (hdr.rssi[1] + 321) / 2;
3760 wstats.noise = ai->wstats.qual.noise;
3761 wstats.updated = IW_QUAL_QUAL_UPDATED
3762 | IW_QUAL_LEVEL_UPDATED
3763 | IW_QUAL_DBM;
3764 /* Update spy records */
3765 wireless_spy_update(ai->dev, sa, &wstats);
3766 }
3767 #endif /* IW_WIRELESS_SPY */
3768 skb_reset_mac_header(skb);
3769 skb->pkt_type = PACKET_OTHERHOST;
3770 skb->dev = ai->wifidev;
3771 skb->protocol = htons(ETH_P_802_2);
3772 skb->dev->last_rx = jiffies;
3773 skb->ip_summed = CHECKSUM_NONE;
3774 netif_rx( skb );
3775 badrx:
3776 if (rxd.valid == 0) {
3777 rxd.valid = 1;
3778 rxd.rdy = 0;
3779 rxd.len = PKTSIZE;
3780 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3781 }
3782 }
3783
3784 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3785 {
3786 Cmd cmd;
3787 Resp rsp;
3788 int status;
3789 int i;
3790 SsidRid mySsid;
3791 u16 lastindex;
3792 WepKeyRid wkr;
3793 int rc;
3794
3795 memset( &mySsid, 0, sizeof( mySsid ) );
3796 kfree (ai->flash);
3797 ai->flash = NULL;
3798
3799 /* The NOP is the first step in getting the card going */
3800 cmd.cmd = NOP;
3801 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3802 if (lock && down_interruptible(&ai->sem))
3803 return ERROR;
3804 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3805 if (lock)
3806 up(&ai->sem);
3807 return ERROR;
3808 }
3809 disable_MAC( ai, 0);
3810
3811 // Let's figure out if we need to use the AUX port
3812 if (!test_bit(FLAG_MPI,&ai->flags)) {
3813 cmd.cmd = CMD_ENABLEAUX;
3814 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3815 if (lock)
3816 up(&ai->sem);
3817 airo_print_err(ai->dev->name, "Error checking for AUX port");
3818 return ERROR;
3819 }
3820 if (!aux_bap || rsp.status & 0xff00) {
3821 ai->bap_read = fast_bap_read;
3822 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3823 } else {
3824 ai->bap_read = aux_bap_read;
3825 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3826 }
3827 }
3828 if (lock)
3829 up(&ai->sem);
3830 if (ai->config.len == 0) {
3831 tdsRssiRid rssi_rid;
3832 CapabilityRid cap_rid;
3833
3834 kfree(ai->APList);
3835 ai->APList = NULL;
3836 kfree(ai->SSID);
3837 ai->SSID = NULL;
3838 // general configuration (read/modify/write)
3839 status = readConfigRid(ai, lock);
3840 if ( status != SUCCESS ) return ERROR;
3841
3842 status = readCapabilityRid(ai, &cap_rid, lock);
3843 if ( status != SUCCESS ) return ERROR;
3844
3845 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3846 if ( status == SUCCESS ) {
3847 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3848 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3849 }
3850 else {
3851 kfree(ai->rssi);
3852 ai->rssi = NULL;
3853 if (cap_rid.softCap & 8)
3854 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3855 else
3856 airo_print_warn(ai->dev->name, "unknown received signal "
3857 "level scale");
3858 }
3859 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3860 ai->config.authType = AUTH_OPEN;
3861 ai->config.modulation = MOD_CCK;
3862
3863 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3864 (micsetup(ai) == SUCCESS)) {
3865 ai->config.opmode |= MODE_MIC;
3866 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3867 }
3868
3869 /* Save off the MAC */
3870 for( i = 0; i < ETH_ALEN; i++ ) {
3871 mac[i] = ai->config.macAddr[i];
3872 }
3873
3874 /* Check to see if there are any insmod configured
3875 rates to add */
3876 if ( rates[0] ) {
3877 int i = 0;
3878 memset(ai->config.rates,0,sizeof(ai->config.rates));
3879 for( i = 0; i < 8 && rates[i]; i++ ) {
3880 ai->config.rates[i] = rates[i];
3881 }
3882 }
3883 if ( basic_rate > 0 ) {
3884 int i;
3885 for( i = 0; i < 8; i++ ) {
3886 if ( ai->config.rates[i] == basic_rate ||
3887 !ai->config.rates ) {
3888 ai->config.rates[i] = basic_rate | 0x80;
3889 break;
3890 }
3891 }
3892 }
3893 set_bit (FLAG_COMMIT, &ai->flags);
3894 }
3895
3896 /* Setup the SSIDs if present */
3897 if ( ssids[0] ) {
3898 int i;
3899 for( i = 0; i < 3 && ssids[i]; i++ ) {
3900 mySsid.ssids[i].len = strlen(ssids[i]);
3901 if ( mySsid.ssids[i].len > 32 )
3902 mySsid.ssids[i].len = 32;
3903 memcpy(mySsid.ssids[i].ssid, ssids[i],
3904 mySsid.ssids[i].len);
3905 }
3906 mySsid.len = sizeof(mySsid);
3907 }
3908
3909 status = writeConfigRid(ai, lock);
3910 if ( status != SUCCESS ) return ERROR;
3911
3912 /* Set up the SSID list */
3913 if ( ssids[0] ) {
3914 status = writeSsidRid(ai, &mySsid, lock);
3915 if ( status != SUCCESS ) return ERROR;
3916 }
3917
3918 status = enable_MAC(ai, lock);
3919 if (status != SUCCESS)
3920 return ERROR;
3921
3922 /* Grab the initial wep key, we gotta save it for auto_wep */
3923 rc = readWepKeyRid(ai, &wkr, 1, lock);
3924 if (rc == SUCCESS) do {
3925 lastindex = wkr.kindex;
3926 if (wkr.kindex == 0xffff) {
3927 ai->defindex = wkr.mac[0];
3928 }
3929 rc = readWepKeyRid(ai, &wkr, 0, lock);
3930 } while(lastindex != wkr.kindex);
3931
3932 try_auto_wep(ai);
3933
3934 return SUCCESS;
3935 }
3936
3937 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3938 // Im really paranoid about letting it run forever!
3939 int max_tries = 600000;
3940
3941 if (IN4500(ai, EVSTAT) & EV_CMD)
3942 OUT4500(ai, EVACK, EV_CMD);
3943
3944 OUT4500(ai, PARAM0, pCmd->parm0);
3945 OUT4500(ai, PARAM1, pCmd->parm1);
3946 OUT4500(ai, PARAM2, pCmd->parm2);
3947 OUT4500(ai, COMMAND, pCmd->cmd);
3948
3949 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3950 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3951 // PC4500 didn't notice command, try again
3952 OUT4500(ai, COMMAND, pCmd->cmd);
3953 if (!in_atomic() && (max_tries & 255) == 0)
3954 schedule();
3955 }
3956
3957 if ( max_tries == -1 ) {
3958 airo_print_err(ai->dev->name,
3959 "Max tries exceeded when issueing command");
3960 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3961 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3962 return ERROR;
3963 }
3964
3965 // command completed
3966 pRsp->status = IN4500(ai, STATUS);
3967 pRsp->rsp0 = IN4500(ai, RESP0);
3968 pRsp->rsp1 = IN4500(ai, RESP1);
3969 pRsp->rsp2 = IN4500(ai, RESP2);
3970 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3971 airo_print_err(ai->dev->name,
3972 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3973 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3974 pRsp->rsp2);
3975
3976 // clear stuck command busy if necessary
3977 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3978 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3979 }
3980 // acknowledge processing the status/response
3981 OUT4500(ai, EVACK, EV_CMD);
3982
3983 return SUCCESS;
3984 }
3985
3986 /* Sets up the bap to start exchange data. whichbap should
3987 * be one of the BAP0 or BAP1 defines. Locks should be held before
3988 * calling! */
3989 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3990 {
3991 int timeout = 50;
3992 int max_tries = 3;
3993
3994 OUT4500(ai, SELECT0+whichbap, rid);
3995 OUT4500(ai, OFFSET0+whichbap, offset);
3996 while (1) {
3997 int status = IN4500(ai, OFFSET0+whichbap);
3998 if (status & BAP_BUSY) {
3999 /* This isn't really a timeout, but its kinda
4000 close */
4001 if (timeout--) {
4002 continue;
4003 }
4004 } else if ( status & BAP_ERR ) {
4005 /* invalid rid or offset */
4006 airo_print_err(ai->dev->name, "BAP error %x %d",
4007 status, whichbap );
4008 return ERROR;
4009 } else if (status & BAP_DONE) { // success
4010 return SUCCESS;
4011 }
4012 if ( !(max_tries--) ) {
4013 airo_print_err(ai->dev->name,
4014 "BAP setup error too many retries\n");
4015 return ERROR;
4016 }
4017 // -- PC4500 missed it, try again
4018 OUT4500(ai, SELECT0+whichbap, rid);
4019 OUT4500(ai, OFFSET0+whichbap, offset);
4020 timeout = 50;
4021 }
4022 }
4023
4024 /* should only be called by aux_bap_read. This aux function and the
4025 following use concepts not documented in the developers guide. I
4026 got them from a patch given to my by Aironet */
4027 static u16 aux_setup(struct airo_info *ai, u16 page,
4028 u16 offset, u16 *len)
4029 {
4030 u16 next;
4031
4032 OUT4500(ai, AUXPAGE, page);
4033 OUT4500(ai, AUXOFF, 0);
4034 next = IN4500(ai, AUXDATA);
4035 *len = IN4500(ai, AUXDATA)&0xff;
4036 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4037 return next;
4038 }
4039
4040 /* requires call to bap_setup() first */
4041 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4042 int bytelen, int whichbap)
4043 {
4044 u16 len;
4045 u16 page;
4046 u16 offset;
4047 u16 next;
4048 int words;
4049 int i;
4050 unsigned long flags;
4051
4052 spin_lock_irqsave(&ai->aux_lock, flags);
4053 page = IN4500(ai, SWS0+whichbap);
4054 offset = IN4500(ai, SWS2+whichbap);
4055 next = aux_setup(ai, page, offset, &len);
4056 words = (bytelen+1)>>1;
4057
4058 for (i=0; i<words;) {
4059 int count;
4060 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4061 if ( !do8bitIO )
4062 insw( ai->dev->base_addr+DATA0+whichbap,
4063 pu16Dst+i,count );
4064 else
4065 insb( ai->dev->base_addr+DATA0+whichbap,
4066 pu16Dst+i, count << 1 );
4067 i += count;
4068 if (i<words) {
4069 next = aux_setup(ai, next, 4, &len);
4070 }
4071 }
4072 spin_unlock_irqrestore(&ai->aux_lock, flags);
4073 return SUCCESS;
4074 }
4075
4076
4077 /* requires call to bap_setup() first */
4078 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4079 int bytelen, int whichbap)
4080 {
4081 bytelen = (bytelen + 1) & (~1); // round up to even value
4082 if ( !do8bitIO )
4083 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4084 else
4085 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4086 return SUCCESS;
4087 }
4088
4089 /* requires call to bap_setup() first */
4090 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4091 int bytelen, int whichbap)
4092 {
4093 bytelen = (bytelen + 1) & (~1); // round up to even value
4094 if ( !do8bitIO )
4095 outsw( ai->dev->base_addr+DATA0+whichbap,
4096 pu16Src, bytelen>>1 );
4097 else
4098 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4099 return SUCCESS;
4100 }
4101
4102 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4103 {
4104 Cmd cmd; /* for issuing commands */
4105 Resp rsp; /* response from commands */
4106 u16 status;
4107
4108 memset(&cmd, 0, sizeof(cmd));
4109 cmd.cmd = accmd;
4110 cmd.parm0 = rid;
4111 status = issuecommand(ai, &cmd, &rsp);
4112 if (status != 0) return status;
4113 if ( (rsp.status & 0x7F00) != 0) {
4114 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4115 }
4116 return 0;
4117 }
4118
4119 /* Note, that we are using BAP1 which is also used by transmit, so
4120 * we must get a lock. */
4121 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4122 {
4123 u16 status;
4124 int rc = SUCCESS;
4125
4126 if (lock) {
4127 if (down_interruptible(&ai->sem))
4128 return ERROR;
4129 }
4130 if (test_bit(FLAG_MPI,&ai->flags)) {
4131 Cmd cmd;
4132 Resp rsp;
4133
4134 memset(&cmd, 0, sizeof(cmd));
4135 memset(&rsp, 0, sizeof(rsp));
4136 ai->config_desc.rid_desc.valid = 1;
4137 ai->config_desc.rid_desc.len = RIDSIZE;
4138 ai->config_desc.rid_desc.rid = 0;
4139 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4140
4141 cmd.cmd = CMD_ACCESS;
4142 cmd.parm0 = rid;
4143
4144 memcpy_toio(ai->config_desc.card_ram_off,
4145 &ai->config_desc.rid_desc, sizeof(Rid));
4146
4147 rc = issuecommand(ai, &cmd, &rsp);
4148
4149 if (rsp.status & 0x7f00)
4150 rc = rsp.rsp0;
4151 if (!rc)
4152 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4153 goto done;
4154 } else {
4155 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4156 rc = status;
4157 goto done;
4158 }
4159 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4160 rc = ERROR;
4161 goto done;
4162 }
4163 // read the rid length field
4164 bap_read(ai, pBuf, 2, BAP1);
4165 // length for remaining part of rid
4166 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4167
4168 if ( len <= 2 ) {
4169 airo_print_err(ai->dev->name,
4170 "Rid %x has a length of %d which is too short",
4171 (int)rid, (int)len );
4172 rc = ERROR;
4173 goto done;
4174 }
4175 // read remainder of the rid
4176 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4177 }
4178 done:
4179 if (lock)
4180 up(&ai->sem);
4181 return rc;
4182 }
4183
4184 /* Note, that we are using BAP1 which is also used by transmit, so
4185 * make sure this isnt called when a transmit is happening */
4186 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4187 const void *pBuf, int len, int lock)
4188 {
4189 u16 status;
4190 int rc = SUCCESS;
4191
4192 *(u16*)pBuf = cpu_to_le16((u16)len);
4193
4194 if (lock) {
4195 if (down_interruptible(&ai->sem))
4196 return ERROR;
4197 }
4198 if (test_bit(FLAG_MPI,&ai->flags)) {
4199 Cmd cmd;
4200 Resp rsp;
4201
4202 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4203 airo_print_err(ai->dev->name,
4204 "%s: MAC should be disabled (rid=%04x)",
4205 __FUNCTION__, rid);
4206 memset(&cmd, 0, sizeof(cmd));
4207 memset(&rsp, 0, sizeof(rsp));
4208
4209 ai->config_desc.rid_desc.valid = 1;
4210 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4211 ai->config_desc.rid_desc.rid = 0;
4212
4213 cmd.cmd = CMD_WRITERID;
4214 cmd.parm0 = rid;
4215
4216 memcpy_toio(ai->config_desc.card_ram_off,
4217 &ai->config_desc.rid_desc, sizeof(Rid));
4218
4219 if (len < 4 || len > 2047) {
4220 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4221 rc = -1;
4222 } else {
4223 memcpy((char *)ai->config_desc.virtual_host_addr,
4224 pBuf, len);
4225
4226 rc = issuecommand(ai, &cmd, &rsp);
4227 if ((rc & 0xff00) != 0) {
4228 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4229 __FUNCTION__, rc);
4230 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4231 __FUNCTION__, cmd.cmd);
4232 }
4233
4234 if ((rsp.status & 0x7f00))
4235 rc = rsp.rsp0;
4236 }
4237 } else {
4238 // --- first access so that we can write the rid data
4239 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4240 rc = status;
4241 goto done;
4242 }
4243 // --- now write the rid data
4244 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4245 rc = ERROR;
4246 goto done;
4247 }
4248 bap_write(ai, pBuf, len, BAP1);
4249 // ---now commit the rid data
4250 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4251 }
4252 done:
4253 if (lock)
4254 up(&ai->sem);
4255 return rc;
4256 }
4257
4258 /* Allocates a FID to be used for transmitting packets. We only use
4259 one for now. */
4260 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4261 {
4262 unsigned int loop = 3000;
4263 Cmd cmd;
4264 Resp rsp;
4265 u16 txFid;
4266 u16 txControl;
4267
4268 cmd.cmd = CMD_ALLOCATETX;
4269 cmd.parm0 = lenPayload;
4270 if (down_interruptible(&ai->sem))
4271 return ERROR;
4272 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4273 txFid = ERROR;
4274 goto done;
4275 }
4276 if ( (rsp.status & 0xFF00) != 0) {
4277 txFid = ERROR;
4278 goto done;
4279 }
4280 /* wait for the allocate event/indication
4281 * It makes me kind of nervous that this can just sit here and spin,
4282 * but in practice it only loops like four times. */
4283 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4284 if (!loop) {
4285 txFid = ERROR;
4286 goto done;
4287 }
4288
4289 // get the allocated fid and acknowledge
4290 txFid = IN4500(ai, TXALLOCFID);
4291 OUT4500(ai, EVACK, EV_ALLOC);
4292
4293 /* The CARD is pretty cool since it converts the ethernet packet
4294 * into 802.11. Also note that we don't release the FID since we
4295 * will be using the same one over and over again. */
4296 /* We only have to setup the control once since we are not
4297 * releasing the fid. */
4298 if (raw)
4299 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4300 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4301 else
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4305 txFid = ERROR;
4306 else
4307 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4308
4309 done:
4310 up(&ai->sem);
4311
4312 return txFid;
4313 }
4314
4315 /* In general BAP1 is dedicated to transmiting packets. However,
4316 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4317 Make sure the BAP1 spinlock is held when this is called. */
4318 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4319 {
4320 u16 payloadLen;
4321 Cmd cmd;
4322 Resp rsp;
4323 int miclen = 0;
4324 u16 txFid = len;
4325 MICBuffer pMic;
4326
4327 len >>= 16;
4328
4329 if (len <= ETH_ALEN * 2) {
4330 airo_print_warn(ai->dev->name, "Short packet %d", len);
4331 return ERROR;
4332 }
4333 len -= ETH_ALEN * 2;
4334
4335 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4336 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4337 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4338 return ERROR;
4339 miclen = sizeof(pMic);
4340 }
4341 // packet is destination[6], source[6], payload[len-12]
4342 // write the payload length and dst/src/payload
4343 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4344 /* The hardware addresses aren't counted as part of the payload, so
4345 * we have to subtract the 12 bytes for the addresses off */
4346 payloadLen = cpu_to_le16(len + miclen);
4347 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4348 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4349 if (miclen)
4350 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4351 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4352 // issue the transmit command
4353 memset( &cmd, 0, sizeof( cmd ) );
4354 cmd.cmd = CMD_TRANSMIT;
4355 cmd.parm0 = txFid;
4356 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4357 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4358 return SUCCESS;
4359 }
4360
4361 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4362 {
4363 u16 fc, payloadLen;
4364 Cmd cmd;
4365 Resp rsp;
4366 int hdrlen;
4367 struct {
4368 u8 addr4[ETH_ALEN];
4369 u16 gaplen;
4370 u8 gap[6];
4371 } gap;
4372 u16 txFid = len;
4373 len >>= 16;
4374 gap.gaplen = 6;
4375
4376 fc = le16_to_cpu(*(const u16*)pPacket);
4377 switch (fc & 0xc) {
4378 case 4:
4379 if ((fc & 0xe0) == 0xc0)
4380 hdrlen = 10;
4381 else
4382 hdrlen = 16;
4383 break;
4384 case 8:
4385 if ((fc&0x300)==0x300){
4386 hdrlen = 30;
4387 break;
4388 }
4389 default:
4390 hdrlen = 24;
4391 }
4392
4393 if (len < hdrlen) {
4394 airo_print_warn(ai->dev->name, "Short packet %d", len);
4395 return ERROR;
4396 }
4397
4398 /* packet is 802.11 header + payload
4399 * write the payload length and dst/src/payload */
4400 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4401 /* The 802.11 header aren't counted as part of the payload, so
4402 * we have to subtract the header bytes off */
4403 payloadLen = cpu_to_le16(len-hdrlen);
4404 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4405 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4406 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4407 bap_write(ai, hdrlen == 30 ?
4408 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4409
4410 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4411 // issue the transmit command
4412 memset( &cmd, 0, sizeof( cmd ) );
4413 cmd.cmd = CMD_TRANSMIT;
4414 cmd.parm0 = txFid;
4415 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4416 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4417 return SUCCESS;
4418 }
4419
4420 /*
4421 * This is the proc_fs routines. It is a bit messier than I would
4422 * like! Feel free to clean it up!
4423 */
4424
4425 static ssize_t proc_read( struct file *file,
4426 char __user *buffer,
4427 size_t len,
4428 loff_t *offset);
4429
4430 static ssize_t proc_write( struct file *file,
4431 const char __user *buffer,
4432 size_t len,
4433 loff_t *offset );
4434 static int proc_close( struct inode *inode, struct file *file );
4435
4436 static int proc_stats_open( struct inode *inode, struct file *file );
4437 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4438 static int proc_status_open( struct inode *inode, struct file *file );
4439 static int proc_SSID_open( struct inode *inode, struct file *file );
4440 static int proc_APList_open( struct inode *inode, struct file *file );
4441 static int proc_BSSList_open( struct inode *inode, struct file *file );
4442 static int proc_config_open( struct inode *inode, struct file *file );
4443 static int proc_wepkey_open( struct inode *inode, struct file *file );
4444
4445 static const struct file_operations proc_statsdelta_ops = {
4446 .read = proc_read,
4447 .open = proc_statsdelta_open,
4448 .release = proc_close
4449 };
4450
4451 static const struct file_operations proc_stats_ops = {
4452 .read = proc_read,
4453 .open = proc_stats_open,
4454 .release = proc_close
4455 };
4456
4457 static const struct file_operations proc_status_ops = {
4458 .read = proc_read,
4459 .open = proc_status_open,
4460 .release = proc_close
4461 };
4462
4463 static const struct file_operations proc_SSID_ops = {
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_SSID_open,
4467 .release = proc_close
4468 };
4469
4470 static const struct file_operations proc_BSSList_ops = {
4471 .read = proc_read,
4472 .write = proc_write,
4473 .open = proc_BSSList_open,
4474 .release = proc_close
4475 };
4476
4477 static const struct file_operations proc_APList_ops = {
4478 .read = proc_read,
4479 .write = proc_write,
4480 .open = proc_APList_open,
4481 .release = proc_close
4482 };
4483
4484 static const struct file_operations proc_config_ops = {
4485 .read = proc_read,
4486 .write = proc_write,
4487 .open = proc_config_open,
4488 .release = proc_close
4489 };
4490
4491 static const struct file_operations proc_wepkey_ops = {
4492 .read = proc_read,
4493 .write = proc_write,
4494 .open = proc_wepkey_open,
4495 .release = proc_close
4496 };
4497
4498 static struct proc_dir_entry *airo_entry;
4499
4500 struct proc_data {
4501 int release_buffer;
4502 int readlen;
4503 char *rbuffer;
4504 int writelen;
4505 int maxwritelen;
4506 char *wbuffer;
4507 void (*on_close) (struct inode *, struct file *);
4508 };
4509
4510 #ifndef SETPROC_OPS
4511 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4512 #endif
4513
4514 static int setup_proc_entry( struct net_device *dev,
4515 struct airo_info *apriv ) {
4516 struct proc_dir_entry *entry;
4517 /* First setup the device directory */
4518 strcpy(apriv->proc_name,dev->name);
4519 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4520 S_IFDIR|airo_perm,
4521 airo_entry);
4522 if (!apriv->proc_entry)
4523 goto fail;
4524 apriv->proc_entry->uid = proc_uid;
4525 apriv->proc_entry->gid = proc_gid;
4526 apriv->proc_entry->owner = THIS_MODULE;
4527
4528 /* Setup the StatsDelta */
4529 entry = create_proc_entry("StatsDelta",
4530 S_IFREG | (S_IRUGO&proc_perm),
4531 apriv->proc_entry);
4532 if (!entry)
4533 goto fail_stats_delta;
4534 entry->uid = proc_uid;
4535 entry->gid = proc_gid;
4536 entry->data = dev;
4537 entry->owner = THIS_MODULE;
4538 SETPROC_OPS(entry, proc_statsdelta_ops);
4539
4540 /* Setup the Stats */
4541 entry = create_proc_entry("Stats",
4542 S_IFREG | (S_IRUGO&proc_perm),
4543 apriv->proc_entry);
4544 if (!entry)
4545 goto fail_stats;
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4548 entry->data = dev;
4549 entry->owner = THIS_MODULE;
4550 SETPROC_OPS(entry, proc_stats_ops);
4551
4552 /* Setup the Status */
4553 entry = create_proc_entry("Status",
4554 S_IFREG | (S_IRUGO&proc_perm),
4555 apriv->proc_entry);
4556 if (!entry)
4557 goto fail_status;
4558 entry->uid = proc_uid;
4559 entry->gid = proc_gid;
4560 entry->data = dev;
4561 entry->owner = THIS_MODULE;
4562 SETPROC_OPS(entry, proc_status_ops);
4563
4564 /* Setup the Config */
4565 entry = create_proc_entry("Config",
4566 S_IFREG | proc_perm,
4567 apriv->proc_entry);
4568 if (!entry)
4569 goto fail_config;
4570 entry->uid = proc_uid;
4571 entry->gid = proc_gid;
4572 entry->data = dev;
4573 entry->owner = THIS_MODULE;
4574 SETPROC_OPS(entry, proc_config_ops);
4575
4576 /* Setup the SSID */
4577 entry = create_proc_entry("SSID",
4578 S_IFREG | proc_perm,
4579 apriv->proc_entry);
4580 if (!entry)
4581 goto fail_ssid;
4582 entry->uid = proc_uid;
4583 entry->gid = proc_gid;
4584 entry->data = dev;
4585 entry->owner = THIS_MODULE;
4586 SETPROC_OPS(entry, proc_SSID_ops);
4587
4588 /* Setup the APList */
4589 entry = create_proc_entry("APList",
4590 S_IFREG | proc_perm,
4591 apriv->proc_entry);
4592 if (!entry)
4593 goto fail_aplist;
4594 entry->uid = proc_uid;
4595 entry->gid = proc_gid;
4596 entry->data = dev;
4597 entry->owner = THIS_MODULE;
4598 SETPROC_OPS(entry, proc_APList_ops);
4599
4600 /* Setup the BSSList */
4601 entry = create_proc_entry("BSSList",
4602 S_IFREG | proc_perm,
4603 apriv->proc_entry);
4604 if (!entry)
4605 goto fail_bsslist;
4606 entry->uid = proc_uid;
4607 entry->gid = proc_gid;
4608 entry->data = dev;
4609 entry->owner = THIS_MODULE;
4610 SETPROC_OPS(entry, proc_BSSList_ops);
4611
4612 /* Setup the WepKey */
4613 entry = create_proc_entry("WepKey",
4614 S_IFREG | proc_perm,
4615 apriv->proc_entry);
4616 if (!entry)
4617 goto fail_wepkey;
4618 entry->uid = proc_uid;
4619 entry->gid = proc_gid;
4620 entry->data = dev;
4621 entry->owner = THIS_MODULE;
4622 SETPROC_OPS(entry, proc_wepkey_ops);
4623
4624 return 0;
4625
4626 fail_wepkey:
4627 remove_proc_entry("BSSList", apriv->proc_entry);
4628 fail_bsslist:
4629 remove_proc_entry("APList", apriv->proc_entry);
4630 fail_aplist:
4631 remove_proc_entry("SSID", apriv->proc_entry);
4632 fail_ssid:
4633 remove_proc_entry("Config", apriv->proc_entry);
4634 fail_config:
4635 remove_proc_entry("Status", apriv->proc_entry);
4636 fail_status:
4637 remove_proc_entry("Stats", apriv->proc_entry);
4638 fail_stats:
4639 remove_proc_entry("StatsDelta", apriv->proc_entry);
4640 fail_stats_delta:
4641 remove_proc_entry(apriv->proc_name, airo_entry);
4642 fail:
4643 return -ENOMEM;
4644 }
4645
4646 static int takedown_proc_entry( struct net_device *dev,
4647 struct airo_info *apriv ) {
4648 if ( !apriv->proc_entry->namelen ) return 0;
4649 remove_proc_entry("Stats",apriv->proc_entry);
4650 remove_proc_entry("StatsDelta",apriv->proc_entry);
4651 remove_proc_entry("Status",apriv->proc_entry);
4652 remove_proc_entry("Config",apriv->proc_entry);
4653 remove_proc_entry("SSID",apriv->proc_entry);
4654 remove_proc_entry("APList",apriv->proc_entry);
4655 remove_proc_entry("BSSList",apriv->proc_entry);
4656 remove_proc_entry("WepKey",apriv->proc_entry);
4657 remove_proc_entry(apriv->proc_name,airo_entry);
4658 return 0;
4659 }
4660
4661 /*
4662 * What we want from the proc_fs is to be able to efficiently read
4663 * and write the configuration. To do this, we want to read the
4664 * configuration when the file is opened and write it when the file is
4665 * closed. So basically we allocate a read buffer at open and fill it
4666 * with data, and allocate a write buffer and read it at close.
4667 */
4668
4669 /*
4670 * The read routine is generic, it relies on the preallocated rbuffer
4671 * to supply the data.
4672 */
4673 static ssize_t proc_read( struct file *file,
4674 char __user *buffer,
4675 size_t len,
4676 loff_t *offset )
4677 {
4678 loff_t pos = *offset;
4679 struct proc_data *priv = (struct proc_data*)file->private_data;
4680
4681 if (!priv->rbuffer)
4682 return -EINVAL;
4683
4684 if (pos < 0)
4685 return -EINVAL;
4686 if (pos >= priv->readlen)
4687 return 0;
4688 if (len > priv->readlen - pos)
4689 len = priv->readlen - pos;
4690 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4691 return -EFAULT;
4692 *offset = pos + len;
4693 return len;
4694 }
4695
4696 /*
4697 * The write routine is generic, it fills in a preallocated rbuffer
4698 * to supply the data.
4699 */
4700 static ssize_t proc_write( struct file *file,
4701 const char __user *buffer,
4702 size_t len,
4703 loff_t *offset )
4704 {
4705 loff_t pos = *offset;
4706 struct proc_data *priv = (struct proc_data*)file->private_data;
4707
4708 if (!priv->wbuffer)
4709 return -EINVAL;
4710
4711 if (pos < 0)
4712 return -EINVAL;
4713 if (pos >= priv->maxwritelen)
4714 return 0;
4715 if (len > priv->maxwritelen - pos)
4716 len = priv->maxwritelen - pos;
4717 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4718 return -EFAULT;
4719 if ( pos + len > priv->writelen )
4720 priv->writelen = len + file->f_pos;
4721 *offset = pos + len;
4722 return len;
4723 }
4724
4725 static int proc_status_open( struct inode *inode, struct file *file ) {
4726 struct proc_data *data;
4727 struct proc_dir_entry *dp = PDE(inode);
4728 struct net_device *dev = dp->data;
4729 struct airo_info *apriv = dev->priv;
4730 CapabilityRid cap_rid;
4731 StatusRid status_rid;
4732 int i;
4733
4734 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4735 return -ENOMEM;
4736 data = (struct proc_data *)file->private_data;
4737 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4738 kfree (file->private_data);
4739 return -ENOMEM;
4740 }
4741
4742 readStatusRid(apriv, &status_rid, 1);
4743 readCapabilityRid(apriv, &cap_rid, 1);
4744
4745 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4746 status_rid.mode & 1 ? "CFG ": "",
4747 status_rid.mode & 2 ? "ACT ": "",
4748 status_rid.mode & 0x10 ? "SYN ": "",
4749 status_rid.mode & 0x20 ? "LNK ": "",
4750 status_rid.mode & 0x40 ? "LEAP ": "",
4751 status_rid.mode & 0x80 ? "PRIV ": "",
4752 status_rid.mode & 0x100 ? "KEY ": "",
4753 status_rid.mode & 0x200 ? "WEP ": "",
4754 status_rid.mode & 0x8000 ? "ERR ": "");
4755 sprintf( data->rbuffer+i, "Mode: %x\n"
4756 "Signal Strength: %d\n"
4757 "Signal Quality: %d\n"
4758 "SSID: %-.*s\n"
4759 "AP: %-.16s\n"
4760 "Freq: %d\n"
4761 "BitRate: %dmbs\n"
4762 "Driver Version: %s\n"
4763 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4764 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4765 "Software Version: %x\nSoftware Subversion: %x\n"
4766 "Boot block version: %x\n",
4767 (int)status_rid.mode,
4768 (int)status_rid.normalizedSignalStrength,
4769 (int)status_rid.signalQuality,
4770 (int)status_rid.SSIDlen,
4771 status_rid.SSID,
4772 status_rid.apName,
4773 (int)status_rid.channel,
4774 (int)status_rid.currentXmitRate/2,
4775 version,
4776 cap_rid.prodName,
4777 cap_rid.manName,
4778 cap_rid.prodVer,
4779 cap_rid.radioType,
4780 cap_rid.country,
4781 cap_rid.hardVer,
4782 (int)cap_rid.softVer,
4783 (int)cap_rid.softSubVer,
4784 (int)cap_rid.bootBlockVer );
4785 data->readlen = strlen( data->rbuffer );
4786 return 0;
4787 }
4788
4789 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4790 static int proc_statsdelta_open( struct inode *inode,
4791 struct file *file ) {
4792 if (file->f_mode&FMODE_WRITE) {
4793 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4794 }
4795 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4796 }
4797
4798 static int proc_stats_open( struct inode *inode, struct file *file ) {
4799 return proc_stats_rid_open(inode, file, RID_STATS);
4800 }
4801
4802 static int proc_stats_rid_open( struct inode *inode,
4803 struct file *file,
4804 u16 rid ) {
4805 struct proc_data *data;
4806 struct proc_dir_entry *dp = PDE(inode);
4807 struct net_device *dev = dp->data;
4808 struct airo_info *apriv = dev->priv;
4809 StatsRid stats;
4810 int i, j;
4811 u32 *vals = stats.vals;
4812
4813 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4814 return -ENOMEM;
4815 data = (struct proc_data *)file->private_data;
4816 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4817 kfree (file->private_data);
4818 return -ENOMEM;
4819 }
4820
4821 readStatsRid(apriv, &stats, rid, 1);
4822
4823 j = 0;
4824 for(i=0; statsLabels[i]!=(char *)-1 &&
4825 i*4<stats.len; i++){
4826 if (!statsLabels[i]) continue;
4827 if (j+strlen(statsLabels[i])+16>4096) {
4828 airo_print_warn(apriv->dev->name,
4829 "Potentially disasterous buffer overflow averted!");
4830 break;
4831 }
4832 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4833 }
4834 if (i*4>=stats.len){
4835 airo_print_warn(apriv->dev->name, "Got a short rid");
4836 }
4837 data->readlen = j;
4838 return 0;
4839 }
4840
4841 static int get_dec_u16( char *buffer, int *start, int limit ) {
4842 u16 value;
4843 int valid = 0;
4844 for( value = 0; buffer[*start] >= '0' &&
4845 buffer[*start] <= '9' &&
4846 *start < limit; (*start)++ ) {
4847 valid = 1;
4848 value *= 10;
4849 value += buffer[*start] - '0';
4850 }
4851 if ( !valid ) return -1;
4852 return value;
4853 }
4854
4855 static int airo_config_commit(struct net_device *dev,
4856 struct iw_request_info *info, void *zwrq,
4857 char *extra);
4858
4859 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4860 struct proc_data *data = file->private_data;
4861 struct proc_dir_entry *dp = PDE(inode);
4862 struct net_device *dev = dp->data;
4863 struct airo_info *ai = dev->priv;
4864 char *line;
4865
4866 if ( !data->writelen ) return;
4867
4868 readConfigRid(ai, 1);
4869 set_bit (FLAG_COMMIT, &ai->flags);
4870
4871 line = data->wbuffer;
4872 while( line[0] ) {
4873 /*** Mode processing */
4874 if ( !strncmp( line, "Mode: ", 6 ) ) {
4875 line += 6;
4876 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4877 set_bit (FLAG_RESET, &ai->flags);
4878 ai->config.rmode &= 0xfe00;
4879 clear_bit (FLAG_802_11, &ai->flags);
4880 ai->config.opmode &= 0xFF00;
4881 ai->config.scanMode = SCANMODE_ACTIVE;
4882 if ( line[0] == 'a' ) {
4883 ai->config.opmode |= 0;
4884 } else {
4885 ai->config.opmode |= 1;
4886 if ( line[0] == 'r' ) {
4887 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4888 ai->config.scanMode = SCANMODE_PASSIVE;
4889 set_bit (FLAG_802_11, &ai->flags);
4890 } else if ( line[0] == 'y' ) {
4891 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4892 ai->config.scanMode = SCANMODE_PASSIVE;
4893 set_bit (FLAG_802_11, &ai->flags);
4894 } else if ( line[0] == 'l' )
4895 ai->config.rmode |= RXMODE_LANMON;
4896 }
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 }
4899
4900 /*** Radio status */
4901 else if (!strncmp(line,"Radio: ", 7)) {
4902 line += 7;
4903 if (!strncmp(line,"off",3)) {
4904 set_bit (FLAG_RADIO_OFF, &ai->flags);
4905 } else {
4906 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4907 }
4908 }
4909 /*** NodeName processing */
4910 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4911 int j;
4912
4913 line += 10;
4914 memset( ai->config.nodeName, 0, 16 );
4915 /* Do the name, assume a space between the mode and node name */
4916 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4917 ai->config.nodeName[j] = line[j];
4918 }
4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 }
4921
4922 /*** PowerMode processing */
4923 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4924 line += 11;
4925 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4926 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "PSP", 3 ) ) {
4929 ai->config.powerSaveMode = POWERSAVE_PSP;
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else {
4932 ai->config.powerSaveMode = POWERSAVE_CAM;
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 }
4935 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4936 int v, i = 0, k = 0; /* i is index into line,
4937 k is index to rates */
4938
4939 line += 11;
4940 while((v = get_dec_u16(line, &i, 3))!=-1) {
4941 ai->config.rates[k++] = (u8)v;
4942 line += i + 1;
4943 i = 0;
4944 }
4945 set_bit (FLAG_COMMIT, &ai->flags);
4946 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4947 int v, i = 0;
4948 line += 9;
4949 v = get_dec_u16(line, &i, i+3);
4950 if ( v != -1 ) {
4951 ai->config.channelSet = (u16)v;
4952 set_bit (FLAG_COMMIT, &ai->flags);
4953 }
4954 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4955 int v, i = 0;
4956 line += 11;
4957 v = get_dec_u16(line, &i, i+3);
4958 if ( v != -1 ) {
4959 ai->config.txPower = (u16)v;
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 }
4962 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4963 line += 5;
4964 switch( line[0] ) {
4965 case 's':
4966 ai->config.authType = (u16)AUTH_SHAREDKEY;
4967 break;
4968 case 'e':
4969 ai->config.authType = (u16)AUTH_ENCRYPT;
4970 break;
4971 default:
4972 ai->config.authType = (u16)AUTH_OPEN;
4973 break;
4974 }
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4977 int v, i = 0;
4978
4979 line += 16;
4980 v = get_dec_u16(line, &i, 3);
4981 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4982 ai->config.longRetryLimit = (u16)v;
4983 set_bit (FLAG_COMMIT, &ai->flags);
4984 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4985 int v, i = 0;
4986
4987 line += 17;
4988 v = get_dec_u16(line, &i, 3);
4989 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4990 ai->config.shortRetryLimit = (u16)v;
4991 set_bit (FLAG_COMMIT, &ai->flags);
4992 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4993 int v, i = 0;
4994
4995 line += 14;
4996 v = get_dec_u16(line, &i, 4);
4997 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4998 ai->config.rtsThres = (u16)v;
4999 set_bit (FLAG_COMMIT, &ai->flags);
5000 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
5001 int v, i = 0;
5002
5003 line += 16;
5004 v = get_dec_u16(line, &i, 5);
5005 v = (v<0) ? 0 : v;
5006 ai->config.txLifetime = (u16)v;
5007 set_bit (FLAG_COMMIT, &ai->flags);
5008 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5009 int v, i = 0;
5010
5011 line += 16;
5012 v = get_dec_u16(line, &i, 5);
5013 v = (v<0) ? 0 : v;
5014 ai->config.rxLifetime = (u16)v;
5015 set_bit (FLAG_COMMIT, &ai->flags);
5016 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5017 ai->config.txDiversity =
5018 (line[13]=='l') ? 1 :
5019 ((line[13]=='r')? 2: 3);
5020 set_bit (FLAG_COMMIT, &ai->flags);
5021 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5022 ai->config.rxDiversity =
5023 (line[13]=='l') ? 1 :
5024 ((line[13]=='r')? 2: 3);
5025 set_bit (FLAG_COMMIT, &ai->flags);
5026 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5027 int v, i = 0;
5028
5029 line += 15;
5030 v = get_dec_u16(line, &i, 4);
5031 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5032 v = v & 0xfffe; /* Make sure its even */
5033 ai->config.fragThresh = (u16)v;
5034 set_bit (FLAG_COMMIT, &ai->flags);
5035 } else if (!strncmp(line, "Modulation: ", 12)) {
5036 line += 12;
5037 switch(*line) {
5038 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5039 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5040 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5042 }
5043 } else if (!strncmp(line, "Preamble: ", 10)) {
5044 line += 10;
5045 switch(*line) {
5046 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5047 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5048 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5049 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5050 }
5051 } else {
5052 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5053 }
5054 while( line[0] && line[0] != '\n' ) line++;
5055 if ( line[0] ) line++;
5056 }
5057 airo_config_commit(dev, NULL, NULL, NULL);
5058 }
5059
5060 static char *get_rmode(u16 mode) {
5061 switch(mode&0xff) {
5062 case RXMODE_RFMON: return "rfmon";
5063 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5064 case RXMODE_LANMON: return "lanmon";
5065 }
5066 return "ESS";
5067 }
5068
5069 static int proc_config_open( struct inode *inode, struct file *file ) {
5070 struct proc_data *data;
5071 struct proc_dir_entry *dp = PDE(inode);
5072 struct net_device *dev = dp->data;
5073 struct airo_info *ai = dev->priv;
5074 int i;
5075
5076 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5077 return -ENOMEM;
5078 data = (struct proc_data *)file->private_data;
5079 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5080 kfree (file->private_data);
5081 return -ENOMEM;
5082 }
5083 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5084 kfree (data->rbuffer);
5085 kfree (file->private_data);
5086 return -ENOMEM;
5087 }
5088 data->maxwritelen = 2048;
5089 data->on_close = proc_config_on_close;
5090
5091 readConfigRid(ai, 1);
5092
5093 i = sprintf( data->rbuffer,
5094 "Mode: %s\n"
5095 "Radio: %s\n"
5096 "NodeName: %-16s\n"
5097 "PowerMode: %s\n"
5098 "DataRates: %d %d %d %d %d %d %d %d\n"
5099 "Channel: %d\n"
5100 "XmitPower: %d\n",
5101 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5102 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5103 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5104 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5105 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5106 ai->config.nodeName,
5107 ai->config.powerSaveMode == 0 ? "CAM" :
5108 ai->config.powerSaveMode == 1 ? "PSP" :
5109 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5110 (int)ai->config.rates[0],
5111 (int)ai->config.rates[1],
5112 (int)ai->config.rates[2],
5113 (int)ai->config.rates[3],
5114 (int)ai->config.rates[4],
5115 (int)ai->config.rates[5],
5116 (int)ai->config.rates[6],
5117 (int)ai->config.rates[7],
5118 (int)ai->config.channelSet,
5119 (int)ai->config.txPower
5120 );
5121 sprintf( data->rbuffer + i,
5122 "LongRetryLimit: %d\n"
5123 "ShortRetryLimit: %d\n"
5124 "RTSThreshold: %d\n"
5125 "TXMSDULifetime: %d\n"
5126 "RXMSDULifetime: %d\n"
5127 "TXDiversity: %s\n"
5128 "RXDiversity: %s\n"
5129 "FragThreshold: %d\n"
5130 "WEP: %s\n"
5131 "Modulation: %s\n"
5132 "Preamble: %s\n",
5133 (int)ai->config.longRetryLimit,
5134 (int)ai->config.shortRetryLimit,
5135 (int)ai->config.rtsThres,
5136 (int)ai->config.txLifetime,
5137 (int)ai->config.rxLifetime,
5138 ai->config.txDiversity == 1 ? "left" :
5139 ai->config.txDiversity == 2 ? "right" : "both",
5140 ai->config.rxDiversity == 1 ? "left" :
5141 ai->config.rxDiversity == 2 ? "right" : "both",
5142 (int)ai->config.fragThresh,
5143 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5144 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5145 ai->config.modulation == 0 ? "default" :
5146 ai->config.modulation == MOD_CCK ? "cck" :
5147 ai->config.modulation == MOD_MOK ? "mok" : "error",
5148 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5149 ai->config.preamble == PREAMBLE_LONG ? "long" :
5150 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5151 );
5152 data->readlen = strlen( data->rbuffer );
5153 return 0;
5154 }
5155
5156 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5157 struct proc_data *data = (struct proc_data *)file->private_data;
5158 struct proc_dir_entry *dp = PDE(inode);
5159 struct net_device *dev = dp->data;
5160 struct airo_info *ai = dev->priv;
5161 SsidRid SSID_rid;
5162 int i;
5163 int offset = 0;
5164
5165 if ( !data->writelen ) return;
5166
5167 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5168
5169 for( i = 0; i < 3; i++ ) {
5170 int j;
5171 for( j = 0; j+offset < data->writelen && j < 32 &&
5172 data->wbuffer[offset+j] != '\n'; j++ ) {
5173 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5174 }
5175 if ( j == 0 ) break;
5176 SSID_rid.ssids[i].len = j;
5177 offset += j;
5178 while( data->wbuffer[offset] != '\n' &&
5179 offset < data->writelen ) offset++;
5180 offset++;
5181 }
5182 if (i)
5183 SSID_rid.len = sizeof(SSID_rid);
5184 disable_MAC(ai, 1);
5185 writeSsidRid(ai, &SSID_rid, 1);
5186 enable_MAC(ai, 1);
5187 }
5188
5189 static inline u8 hexVal(char c) {
5190 if (c>='0' && c<='9') return c -= '0';
5191 if (c>='a' && c<='f') return c -= 'a'-10;
5192 if (c>='A' && c<='F') return c -= 'A'-10;
5193 return 0;
5194 }
5195
5196 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5197 struct proc_data *data = (struct proc_data *)file->private_data;
5198 struct proc_dir_entry *dp = PDE(inode);
5199 struct net_device *dev = dp->data;
5200 struct airo_info *ai = dev->priv;
5201 APListRid APList_rid;
5202 int i;
5203
5204 if ( !data->writelen ) return;
5205
5206 memset( &APList_rid, 0, sizeof(APList_rid) );
5207 APList_rid.len = sizeof(APList_rid);
5208
5209 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5210 int j;
5211 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5212 switch(j%3) {
5213 case 0:
5214 APList_rid.ap[i][j/3]=
5215 hexVal(data->wbuffer[j+i*6*3])<<4;
5216 break;
5217 case 1:
5218 APList_rid.ap[i][j/3]|=
5219 hexVal(data->wbuffer[j+i*6*3]);
5220 break;
5221 }
5222 }
5223 }
5224 disable_MAC(ai, 1);
5225 writeAPListRid(ai, &APList_rid, 1);
5226 enable_MAC(ai, 1);
5227 }
5228
5229 /* This function wraps PC4500_writerid with a MAC disable */
5230 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5231 int len, int dummy ) {
5232 int rc;
5233
5234 disable_MAC(ai, 1);
5235 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5236 enable_MAC(ai, 1);
5237 return rc;
5238 }
5239
5240 /* Returns the length of the key at the index. If index == 0xffff
5241 * the index of the transmit key is returned. If the key doesn't exist,
5242 * -1 will be returned.
5243 */
5244 static int get_wep_key(struct airo_info *ai, u16 index) {
5245 WepKeyRid wkr;
5246 int rc;
5247 u16 lastindex;
5248
5249 rc = readWepKeyRid(ai, &wkr, 1, 1);
5250 if (rc == SUCCESS) do {
5251 lastindex = wkr.kindex;
5252 if (wkr.kindex == index) {
5253 if (index == 0xffff) {
5254 return wkr.mac[0];
5255 }
5256 return wkr.klen;
5257 }
5258 readWepKeyRid(ai, &wkr, 0, 1);
5259 } while(lastindex != wkr.kindex);
5260 return -1;
5261 }
5262
5263 static int set_wep_key(struct airo_info *ai, u16 index,
5264 const char *key, u16 keylen, int perm, int lock ) {
5265 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5266 WepKeyRid wkr;
5267
5268 memset(&wkr, 0, sizeof(wkr));
5269 if (keylen == 0) {
5270 // We are selecting which key to use
5271 wkr.len = sizeof(wkr);
5272 wkr.kindex = 0xffff;
5273 wkr.mac[0] = (char)index;
5274 if (perm) ai->defindex = (char)index;
5275 } else {
5276 // We are actually setting the key
5277 wkr.len = sizeof(wkr);
5278 wkr.kindex = index;
5279 wkr.klen = keylen;
5280 memcpy( wkr.key, key, keylen );
5281 memcpy( wkr.mac, macaddr, ETH_ALEN );
5282 }
5283
5284 if (perm) disable_MAC(ai, lock);
5285 writeWepKeyRid(ai, &wkr, perm, lock);
5286 if (perm) enable_MAC(ai, lock);
5287 return 0;
5288 }
5289
5290 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5291 struct proc_data *data;
5292 struct proc_dir_entry *dp = PDE(inode);
5293 struct net_device *dev = dp->data;
5294 struct airo_info *ai = dev->priv;
5295 int i;
5296 char key[16];
5297 u16 index = 0;
5298 int j = 0;
5299
5300 memset(key, 0, sizeof(key));
5301
5302 data = (struct proc_data *)file->private_data;
5303 if ( !data->writelen ) return;
5304
5305 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5306 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5307 index = data->wbuffer[0] - '0';
5308 if (data->wbuffer[1] == '\n') {
5309 set_wep_key(ai, index, NULL, 0, 1, 1);
5310 return;
5311 }
5312 j = 2;
5313 } else {
5314 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5315 return;
5316 }
5317
5318 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5319 switch(i%3) {
5320 case 0:
5321 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5322 break;
5323 case 1:
5324 key[i/3] |= hexVal(data->wbuffer[i+j]);
5325 break;
5326 }
5327 }
5328 set_wep_key(ai, index, key, i/3, 1, 1);
5329 }
5330
5331 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5332 struct proc_data *data;
5333 struct proc_dir_entry *dp = PDE(inode);
5334 struct net_device *dev = dp->data;
5335 struct airo_info *ai = dev->priv;
5336 char *ptr;
5337 WepKeyRid wkr;
5338 u16 lastindex;
5339 int j=0;
5340 int rc;
5341
5342 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5343 return -ENOMEM;
5344 memset(&wkr, 0, sizeof(wkr));
5345 data = (struct proc_data *)file->private_data;
5346 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5347 kfree (file->private_data);
5348 return -ENOMEM;
5349 }
5350 data->writelen = 0;
5351 data->maxwritelen = 80;
5352 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5353 kfree (data->rbuffer);
5354 kfree (file->private_data);
5355 return -ENOMEM;
5356 }
5357 data->on_close = proc_wepkey_on_close;
5358
5359 ptr = data->rbuffer;
5360 strcpy(ptr, "No wep keys\n");
5361 rc = readWepKeyRid(ai, &wkr, 1, 1);
5362 if (rc == SUCCESS) do {
5363 lastindex = wkr.kindex;
5364 if (wkr.kindex == 0xffff) {
5365 j += sprintf(ptr+j, "Tx key = %d\n",
5366 (int)wkr.mac[0]);
5367 } else {
5368 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5369 (int)wkr.kindex, (int)wkr.klen);
5370 }
5371 readWepKeyRid(ai, &wkr, 0, 1);
5372 } while((lastindex != wkr.kindex) && (j < 180-30));
5373
5374 data->readlen = strlen( data->rbuffer );
5375 return 0;
5376 }
5377
5378 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5379 struct proc_data *data;
5380 struct proc_dir_entry *dp = PDE(inode);
5381 struct net_device *dev = dp->data;
5382 struct airo_info *ai = dev->priv;
5383 int i;
5384 char *ptr;
5385 SsidRid SSID_rid;
5386
5387 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5388 return -ENOMEM;
5389 data = (struct proc_data *)file->private_data;
5390 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5391 kfree (file->private_data);
5392 return -ENOMEM;
5393 }
5394 data->writelen = 0;
5395 data->maxwritelen = 33*3;
5396 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5397 kfree (data->rbuffer);
5398 kfree (file->private_data);
5399 return -ENOMEM;
5400 }
5401 data->on_close = proc_SSID_on_close;
5402
5403 readSsidRid(ai, &SSID_rid);
5404 ptr = data->rbuffer;
5405 for( i = 0; i < 3; i++ ) {
5406 int j;
5407 if ( !SSID_rid.ssids[i].len ) break;
5408 for( j = 0; j < 32 &&
5409 j < SSID_rid.ssids[i].len &&
5410 SSID_rid.ssids[i].ssid[j]; j++ ) {
5411 *ptr++ = SSID_rid.ssids[i].ssid[j];
5412 }
5413 *ptr++ = '\n';
5414 }
5415 *ptr = '\0';
5416 data->readlen = strlen( data->rbuffer );
5417 return 0;
5418 }
5419
5420 static int proc_APList_open( struct inode *inode, struct file *file ) {
5421 struct proc_data *data;
5422 struct proc_dir_entry *dp = PDE(inode);
5423 struct net_device *dev = dp->data;
5424 struct airo_info *ai = dev->priv;
5425 int i;
5426 char *ptr;
5427 APListRid APList_rid;
5428 DECLARE_MAC_BUF(mac);
5429
5430 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5431 return -ENOMEM;
5432 data = (struct proc_data *)file->private_data;
5433 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5434 kfree (file->private_data);
5435 return -ENOMEM;
5436 }
5437 data->writelen = 0;
5438 data->maxwritelen = 4*6*3;
5439 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5440 kfree (data->rbuffer);
5441 kfree (file->private_data);
5442 return -ENOMEM;
5443 }
5444 data->on_close = proc_APList_on_close;
5445
5446 readAPListRid(ai, &APList_rid);
5447 ptr = data->rbuffer;
5448 for( i = 0; i < 4; i++ ) {
5449 // We end when we find a zero MAC
5450 if ( !*(int*)APList_rid.ap[i] &&
5451 !*(int*)&APList_rid.ap[i][2]) break;
5452 ptr += sprintf(ptr, "%s\n",
5453 print_mac(mac, APList_rid.ap[i]));
5454 }
5455 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5456
5457 *ptr = '\0';
5458 data->readlen = strlen( data->rbuffer );
5459 return 0;
5460 }
5461
5462 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5463 struct proc_data *data;
5464 struct proc_dir_entry *dp = PDE(inode);
5465 struct net_device *dev = dp->data;
5466 struct airo_info *ai = dev->priv;
5467 char *ptr;
5468 BSSListRid BSSList_rid;
5469 int rc;
5470 /* If doLoseSync is not 1, we won't do a Lose Sync */
5471 int doLoseSync = -1;
5472 DECLARE_MAC_BUF(mac);
5473
5474 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5475 return -ENOMEM;
5476 data = (struct proc_data *)file->private_data;
5477 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5478 kfree (file->private_data);
5479 return -ENOMEM;
5480 }
5481 data->writelen = 0;
5482 data->maxwritelen = 0;
5483 data->wbuffer = NULL;
5484 data->on_close = NULL;
5485
5486 if (file->f_mode & FMODE_WRITE) {
5487 if (!(file->f_mode & FMODE_READ)) {
5488 Cmd cmd;
5489 Resp rsp;
5490
5491 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5492 memset(&cmd, 0, sizeof(cmd));
5493 cmd.cmd=CMD_LISTBSS;
5494 if (down_interruptible(&ai->sem))
5495 return -ERESTARTSYS;
5496 issuecommand(ai, &cmd, &rsp);
5497 up(&ai->sem);
5498 data->readlen = 0;
5499 return 0;
5500 }
5501 doLoseSync = 1;
5502 }
5503 ptr = data->rbuffer;
5504 /* There is a race condition here if there are concurrent opens.
5505 Since it is a rare condition, we'll just live with it, otherwise
5506 we have to add a spin lock... */
5507 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5508 while(rc == 0 && BSSList_rid.index != 0xffff) {
5509 ptr += sprintf(ptr, "%s %*s rssi = %d",
5510 print_mac(mac, BSSList_rid.bssid),
5511 (int)BSSList_rid.ssidLen,
5512 BSSList_rid.ssid,
5513 (int)BSSList_rid.dBm);
5514 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5515 (int)BSSList_rid.dsChannel,
5516 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5517 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5518 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5519 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5520 rc = readBSSListRid(ai, 0, &BSSList_rid);
5521 }
5522 *ptr = '\0';
5523 data->readlen = strlen( data->rbuffer );
5524 return 0;
5525 }
5526
5527 static int proc_close( struct inode *inode, struct file *file )
5528 {
5529 struct proc_data *data = file->private_data;
5530
5531 if (data->on_close != NULL)
5532 data->on_close(inode, file);
5533 kfree(data->rbuffer);
5534 kfree(data->wbuffer);
5535 kfree(data);
5536 return 0;
5537 }
5538
5539 /* Since the card doesn't automatically switch to the right WEP mode,
5540 we will make it do it. If the card isn't associated, every secs we
5541 will switch WEP modes to see if that will help. If the card is
5542 associated we will check every minute to see if anything has
5543 changed. */
5544 static void timer_func( struct net_device *dev ) {
5545 struct airo_info *apriv = dev->priv;
5546
5547 /* We don't have a link so try changing the authtype */
5548 readConfigRid(apriv, 0);
5549 disable_MAC(apriv, 0);
5550 switch(apriv->config.authType) {
5551 case AUTH_ENCRYPT:
5552 /* So drop to OPEN */
5553 apriv->config.authType = AUTH_OPEN;
5554 break;
5555 case AUTH_SHAREDKEY:
5556 if (apriv->keyindex < auto_wep) {
5557 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5558 apriv->config.authType = AUTH_SHAREDKEY;
5559 apriv->keyindex++;
5560 } else {
5561 /* Drop to ENCRYPT */
5562 apriv->keyindex = 0;
5563 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5564 apriv->config.authType = AUTH_ENCRYPT;
5565 }
5566 break;
5567 default: /* We'll escalate to SHAREDKEY */
5568 apriv->config.authType = AUTH_SHAREDKEY;
5569 }
5570 set_bit (FLAG_COMMIT, &apriv->flags);
5571 writeConfigRid(apriv, 0);
5572 enable_MAC(apriv, 0);
5573 up(&apriv->sem);
5574
5575 /* Schedule check to see if the change worked */
5576 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5577 apriv->expires = RUN_AT(HZ*3);
5578 }
5579
5580 #ifdef CONFIG_PCI
5581 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5582 const struct pci_device_id *pent)
5583 {
5584 struct net_device *dev;
5585
5586 if (pci_enable_device(pdev))
5587 return -ENODEV;
5588 pci_set_master(pdev);
5589
5590 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5591 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5592 else
5593 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5594 if (!dev) {
5595 pci_disable_device(pdev);
5596 return -ENODEV;
5597 }
5598
5599 pci_set_drvdata(pdev, dev);
5600 return 0;
5601 }
5602
5603 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5604 {
5605 struct net_device *dev = pci_get_drvdata(pdev);
5606
5607 airo_print_info(dev->name, "Unregistering...");
5608 stop_airo_card(dev, 1);
5609 pci_disable_device(pdev);
5610 pci_set_drvdata(pdev, NULL);
5611 }
5612
5613 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5614 {
5615 struct net_device *dev = pci_get_drvdata(pdev);
5616 struct airo_info *ai = dev->priv;
5617 Cmd cmd;
5618 Resp rsp;
5619
5620 if ((ai->APList == NULL) &&
5621 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5622 return -ENOMEM;
5623 if ((ai->SSID == NULL) &&
5624 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5625 return -ENOMEM;
5626 readAPListRid(ai, ai->APList);
5627 readSsidRid(ai, ai->SSID);
5628 memset(&cmd, 0, sizeof(cmd));
5629 /* the lock will be released at the end of the resume callback */
5630 if (down_interruptible(&ai->sem))
5631 return -EAGAIN;
5632 disable_MAC(ai, 0);
5633 netif_device_detach(dev);
5634 ai->power = state;
5635 cmd.cmd=HOSTSLEEP;
5636 issuecommand(ai, &cmd, &rsp);
5637
5638 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5639 pci_save_state(pdev);
5640 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5641 }
5642
5643 static int airo_pci_resume(struct pci_dev *pdev)
5644 {
5645 struct net_device *dev = pci_get_drvdata(pdev);
5646 struct airo_info *ai = dev->priv;
5647 pci_power_t prev_state = pdev->current_state;
5648
5649 pci_set_power_state(pdev, PCI_D0);
5650 pci_restore_state(pdev);
5651 pci_enable_wake(pdev, PCI_D0, 0);
5652
5653 if (prev_state != PCI_D1) {
5654 reset_card(dev, 0);
5655 mpi_init_descriptors(ai);
5656 setup_card(ai, dev->dev_addr, 0);
5657 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5658 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5659 } else {
5660 OUT4500(ai, EVACK, EV_AWAKEN);
5661 OUT4500(ai, EVACK, EV_AWAKEN);
5662 msleep(100);
5663 }
5664
5665 set_bit (FLAG_COMMIT, &ai->flags);
5666 disable_MAC(ai, 0);
5667 msleep(200);
5668 if (ai->SSID) {
5669 writeSsidRid(ai, ai->SSID, 0);
5670 kfree(ai->SSID);
5671 ai->SSID = NULL;
5672 }
5673 if (ai->APList) {
5674 writeAPListRid(ai, ai->APList, 0);
5675 kfree(ai->APList);
5676 ai->APList = NULL;
5677 }
5678 writeConfigRid(ai, 0);
5679 enable_MAC(ai, 0);
5680 ai->power = PMSG_ON;
5681 netif_device_attach(dev);
5682 netif_wake_queue(dev);
5683 enable_interrupts(ai);
5684 up(&ai->sem);
5685 return 0;
5686 }
5687 #endif
5688
5689 static int __init airo_init_module( void )
5690 {
5691 int i;
5692 #if 0
5693 int have_isa_dev = 0;
5694 #endif
5695
5696 airo_entry = create_proc_entry("aironet",
5697 S_IFDIR | airo_perm,
5698 proc_root_driver);
5699
5700 if (airo_entry) {
5701 airo_entry->uid = proc_uid;
5702 airo_entry->gid = proc_gid;
5703 }
5704
5705 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5706 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5707 "io=0x%x", irq[i], io[i] );
5708 if (init_airo_card( irq[i], io[i], 0, NULL ))
5709 #if 0
5710 have_isa_dev = 1;
5711 #else
5712 /* do nothing */ ;
5713 #endif
5714 }
5715
5716 #ifdef CONFIG_PCI
5717 airo_print_info("", "Probing for PCI adapters");
5718 i = pci_register_driver(&airo_driver);
5719 airo_print_info("", "Finished probing for PCI adapters");
5720
5721 if (i) {
5722 remove_proc_entry("aironet", proc_root_driver);
5723 return i;
5724 }
5725 #endif
5726
5727 /* Always exit with success, as we are a library module
5728 * as well as a driver module
5729 */
5730 return 0;
5731 }
5732
5733 static void __exit airo_cleanup_module( void )
5734 {
5735 struct airo_info *ai;
5736 while(!list_empty(&airo_devices)) {
5737 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5738 airo_print_info(ai->dev->name, "Unregistering...");
5739 stop_airo_card(ai->dev, 1);
5740 }
5741 #ifdef CONFIG_PCI
5742 pci_unregister_driver(&airo_driver);
5743 #endif
5744 remove_proc_entry("aironet", proc_root_driver);
5745 }
5746
5747 /*
5748 * Initial Wireless Extension code for Aironet driver by :
5749 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5750 * Conversion to new driver API by :
5751 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5752 * Javier also did a good amount of work here, adding some new extensions
5753 * and fixing my code. Let's just say that without him this code just
5754 * would not work at all... - Jean II
5755 */
5756
5757 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5758 {
5759 if( !rssi_rid )
5760 return 0;
5761
5762 return (0x100 - rssi_rid[rssi].rssidBm);
5763 }
5764
5765 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5766 {
5767 int i;
5768
5769 if( !rssi_rid )
5770 return 0;
5771
5772 for( i = 0; i < 256; i++ )
5773 if (rssi_rid[i].rssidBm == dbm)
5774 return rssi_rid[i].rssipct;
5775
5776 return 0;
5777 }
5778
5779
5780 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5781 {
5782 int quality = 0;
5783
5784 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5785 if (memcmp(cap_rid->prodName, "350", 3))
5786 if (status_rid->signalQuality > 0x20)
5787 quality = 0;
5788 else
5789 quality = 0x20 - status_rid->signalQuality;
5790 else
5791 if (status_rid->signalQuality > 0xb0)
5792 quality = 0;
5793 else if (status_rid->signalQuality < 0x10)
5794 quality = 0xa0;
5795 else
5796 quality = 0xb0 - status_rid->signalQuality;
5797 }
5798 return quality;
5799 }
5800
5801 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5802 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5803
5804 /*------------------------------------------------------------------*/
5805 /*
5806 * Wireless Handler : get protocol name
5807 */
5808 static int airo_get_name(struct net_device *dev,
5809 struct iw_request_info *info,
5810 char *cwrq,
5811 char *extra)
5812 {
5813 strcpy(cwrq, "IEEE 802.11-DS");
5814 return 0;
5815 }
5816
5817 /*------------------------------------------------------------------*/
5818 /*
5819 * Wireless Handler : set frequency
5820 */
5821 static int airo_set_freq(struct net_device *dev,
5822 struct iw_request_info *info,
5823 struct iw_freq *fwrq,
5824 char *extra)
5825 {
5826 struct airo_info *local = dev->priv;
5827 int rc = -EINPROGRESS; /* Call commit handler */
5828
5829 /* If setting by frequency, convert to a channel */
5830 if((fwrq->e == 1) &&
5831 (fwrq->m >= (int) 2.412e8) &&
5832 (fwrq->m <= (int) 2.487e8)) {
5833 int f = fwrq->m / 100000;
5834 int c = 0;
5835 while((c < 14) && (f != frequency_list[c]))
5836 c++;
5837 /* Hack to fall through... */
5838 fwrq->e = 0;
5839 fwrq->m = c + 1;
5840 }
5841 /* Setting by channel number */
5842 if((fwrq->m > 1000) || (fwrq->e > 0))
5843 rc = -EOPNOTSUPP;
5844 else {
5845 int channel = fwrq->m;
5846 /* We should do a better check than that,
5847 * based on the card capability !!! */
5848 if((channel < 1) || (channel > 14)) {
5849 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5850 fwrq->m);
5851 rc = -EINVAL;
5852 } else {
5853 readConfigRid(local, 1);
5854 /* Yes ! We can set it !!! */
5855 local->config.channelSet = (u16) channel;
5856 set_bit (FLAG_COMMIT, &local->flags);
5857 }
5858 }
5859 return rc;
5860 }
5861
5862 /*------------------------------------------------------------------*/
5863 /*
5864 * Wireless Handler : get frequency
5865 */
5866 static int airo_get_freq(struct net_device *dev,
5867 struct iw_request_info *info,
5868 struct iw_freq *fwrq,
5869 char *extra)
5870 {
5871 struct airo_info *local = dev->priv;
5872 StatusRid status_rid; /* Card status info */
5873 int ch;
5874
5875 readConfigRid(local, 1);
5876 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5877 status_rid.channel = local->config.channelSet;
5878 else
5879 readStatusRid(local, &status_rid, 1);
5880
5881 ch = (int)status_rid.channel;
5882 if((ch > 0) && (ch < 15)) {
5883 fwrq->m = frequency_list[ch - 1] * 100000;
5884 fwrq->e = 1;
5885 } else {
5886 fwrq->m = ch;
5887 fwrq->e = 0;
5888 }
5889
5890 return 0;
5891 }
5892
5893 /*------------------------------------------------------------------*/
5894 /*
5895 * Wireless Handler : set ESSID
5896 */
5897 static int airo_set_essid(struct net_device *dev,
5898 struct iw_request_info *info,
5899 struct iw_point *dwrq,
5900 char *extra)
5901 {
5902 struct airo_info *local = dev->priv;
5903 SsidRid SSID_rid; /* SSIDs */
5904
5905 /* Reload the list of current SSID */
5906 readSsidRid(local, &SSID_rid);
5907
5908 /* Check if we asked for `any' */
5909 if(dwrq->flags == 0) {
5910 /* Just send an empty SSID list */
5911 memset(&SSID_rid, 0, sizeof(SSID_rid));
5912 } else {
5913 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5914
5915 /* Check the size of the string */
5916 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5917 return -E2BIG ;
5918 }
5919 /* Check if index is valid */
5920 if((index < 0) || (index >= 4)) {
5921 return -EINVAL;
5922 }
5923
5924 /* Set the SSID */
5925 memset(SSID_rid.ssids[index].ssid, 0,
5926 sizeof(SSID_rid.ssids[index].ssid));
5927 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5928 SSID_rid.ssids[index].len = dwrq->length;
5929 }
5930 SSID_rid.len = sizeof(SSID_rid);
5931 /* Write it to the card */
5932 disable_MAC(local, 1);
5933 writeSsidRid(local, &SSID_rid, 1);
5934 enable_MAC(local, 1);
5935
5936 return 0;
5937 }
5938
5939 /*------------------------------------------------------------------*/
5940 /*
5941 * Wireless Handler : get ESSID
5942 */
5943 static int airo_get_essid(struct net_device *dev,
5944 struct iw_request_info *info,
5945 struct iw_point *dwrq,
5946 char *extra)
5947 {
5948 struct airo_info *local = dev->priv;
5949 StatusRid status_rid; /* Card status info */
5950
5951 readStatusRid(local, &status_rid, 1);
5952
5953 /* Note : if dwrq->flags != 0, we should
5954 * get the relevant SSID from the SSID list... */
5955
5956 /* Get the current SSID */
5957 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5958 /* If none, we may want to get the one that was set */
5959
5960 /* Push it out ! */
5961 dwrq->length = status_rid.SSIDlen;
5962 dwrq->flags = 1; /* active */
5963
5964 return 0;
5965 }
5966
5967 /*------------------------------------------------------------------*/
5968 /*
5969 * Wireless Handler : set AP address
5970 */
5971 static int airo_set_wap(struct net_device *dev,
5972 struct iw_request_info *info,
5973 struct sockaddr *awrq,
5974 char *extra)
5975 {
5976 struct airo_info *local = dev->priv;
5977 Cmd cmd;
5978 Resp rsp;
5979 APListRid APList_rid;
5980 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5981 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5982
5983 if (awrq->sa_family != ARPHRD_ETHER)
5984 return -EINVAL;
5985 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5986 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5987 memset(&cmd, 0, sizeof(cmd));
5988 cmd.cmd=CMD_LOSE_SYNC;
5989 if (down_interruptible(&local->sem))
5990 return -ERESTARTSYS;
5991 issuecommand(local, &cmd, &rsp);
5992 up(&local->sem);
5993 } else {
5994 memset(&APList_rid, 0, sizeof(APList_rid));
5995 APList_rid.len = sizeof(APList_rid);
5996 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5997 disable_MAC(local, 1);
5998 writeAPListRid(local, &APList_rid, 1);
5999 enable_MAC(local, 1);
6000 }
6001 return 0;
6002 }
6003
6004 /*------------------------------------------------------------------*/
6005 /*
6006 * Wireless Handler : get AP address
6007 */
6008 static int airo_get_wap(struct net_device *dev,
6009 struct iw_request_info *info,
6010 struct sockaddr *awrq,
6011 char *extra)
6012 {
6013 struct airo_info *local = dev->priv;
6014 StatusRid status_rid; /* Card status info */
6015
6016 readStatusRid(local, &status_rid, 1);
6017
6018 /* Tentative. This seems to work, wow, I'm lucky !!! */
6019 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6020 awrq->sa_family = ARPHRD_ETHER;
6021
6022 return 0;
6023 }
6024
6025 /*------------------------------------------------------------------*/
6026 /*
6027 * Wireless Handler : set Nickname
6028 */
6029 static int airo_set_nick(struct net_device *dev,
6030 struct iw_request_info *info,
6031 struct iw_point *dwrq,
6032 char *extra)
6033 {
6034 struct airo_info *local = dev->priv;
6035
6036 /* Check the size of the string */
6037 if(dwrq->length > 16) {
6038 return -E2BIG;
6039 }
6040 readConfigRid(local, 1);
6041 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6042 memcpy(local->config.nodeName, extra, dwrq->length);
6043 set_bit (FLAG_COMMIT, &local->flags);
6044
6045 return -EINPROGRESS; /* Call commit handler */
6046 }
6047
6048 /*------------------------------------------------------------------*/
6049 /*
6050 * Wireless Handler : get Nickname
6051 */
6052 static int airo_get_nick(struct net_device *dev,
6053 struct iw_request_info *info,
6054 struct iw_point *dwrq,
6055 char *extra)
6056 {
6057 struct airo_info *local = dev->priv;
6058
6059 readConfigRid(local, 1);
6060 strncpy(extra, local->config.nodeName, 16);
6061 extra[16] = '\0';
6062 dwrq->length = strlen(extra);
6063
6064 return 0;
6065 }
6066
6067 /*------------------------------------------------------------------*/
6068 /*
6069 * Wireless Handler : set Bit-Rate
6070 */
6071 static int airo_set_rate(struct net_device *dev,
6072 struct iw_request_info *info,
6073 struct iw_param *vwrq,
6074 char *extra)
6075 {
6076 struct airo_info *local = dev->priv;
6077 CapabilityRid cap_rid; /* Card capability info */
6078 u8 brate = 0;
6079 int i;
6080
6081 /* First : get a valid bit rate value */
6082 readCapabilityRid(local, &cap_rid, 1);
6083
6084 /* Which type of value ? */
6085 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6086 /* Setting by rate index */
6087 /* Find value in the magic rate table */
6088 brate = cap_rid.supportedRates[vwrq->value];
6089 } else {
6090 /* Setting by frequency value */
6091 u8 normvalue = (u8) (vwrq->value/500000);
6092
6093 /* Check if rate is valid */
6094 for(i = 0 ; i < 8 ; i++) {
6095 if(normvalue == cap_rid.supportedRates[i]) {
6096 brate = normvalue;
6097 break;
6098 }
6099 }
6100 }
6101 /* -1 designed the max rate (mostly auto mode) */
6102 if(vwrq->value == -1) {
6103 /* Get the highest available rate */
6104 for(i = 0 ; i < 8 ; i++) {
6105 if(cap_rid.supportedRates[i] == 0)
6106 break;
6107 }
6108 if(i != 0)
6109 brate = cap_rid.supportedRates[i - 1];
6110 }
6111 /* Check that it is valid */
6112 if(brate == 0) {
6113 return -EINVAL;
6114 }
6115
6116 readConfigRid(local, 1);
6117 /* Now, check if we want a fixed or auto value */
6118 if(vwrq->fixed == 0) {
6119 /* Fill all the rates up to this max rate */
6120 memset(local->config.rates, 0, 8);
6121 for(i = 0 ; i < 8 ; i++) {
6122 local->config.rates[i] = cap_rid.supportedRates[i];
6123 if(local->config.rates[i] == brate)
6124 break;
6125 }
6126 } else {
6127 /* Fixed mode */
6128 /* One rate, fixed */
6129 memset(local->config.rates, 0, 8);
6130 local->config.rates[0] = brate;
6131 }
6132 set_bit (FLAG_COMMIT, &local->flags);
6133
6134 return -EINPROGRESS; /* Call commit handler */
6135 }
6136
6137 /*------------------------------------------------------------------*/
6138 /*
6139 * Wireless Handler : get Bit-Rate
6140 */
6141 static int airo_get_rate(struct net_device *dev,
6142 struct iw_request_info *info,
6143 struct iw_param *vwrq,
6144 char *extra)
6145 {
6146 struct airo_info *local = dev->priv;
6147 StatusRid status_rid; /* Card status info */
6148
6149 readStatusRid(local, &status_rid, 1);
6150
6151 vwrq->value = status_rid.currentXmitRate * 500000;
6152 /* If more than one rate, set auto */
6153 readConfigRid(local, 1);
6154 vwrq->fixed = (local->config.rates[1] == 0);
6155
6156 return 0;
6157 }
6158
6159 /*------------------------------------------------------------------*/
6160 /*
6161 * Wireless Handler : set RTS threshold
6162 */
6163 static int airo_set_rts(struct net_device *dev,
6164 struct iw_request_info *info,
6165 struct iw_param *vwrq,
6166 char *extra)
6167 {
6168 struct airo_info *local = dev->priv;
6169 int rthr = vwrq->value;
6170
6171 if(vwrq->disabled)
6172 rthr = AIRO_DEF_MTU;
6173 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6174 return -EINVAL;
6175 }
6176 readConfigRid(local, 1);
6177 local->config.rtsThres = rthr;
6178 set_bit (FLAG_COMMIT, &local->flags);
6179
6180 return -EINPROGRESS; /* Call commit handler */
6181 }
6182
6183 /*------------------------------------------------------------------*/
6184 /*
6185 * Wireless Handler : get RTS threshold
6186 */
6187 static int airo_get_rts(struct net_device *dev,
6188 struct iw_request_info *info,
6189 struct iw_param *vwrq,
6190 char *extra)
6191 {
6192 struct airo_info *local = dev->priv;
6193
6194 readConfigRid(local, 1);
6195 vwrq->value = local->config.rtsThres;
6196 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6197 vwrq->fixed = 1;
6198
6199 return 0;
6200 }
6201
6202 /*------------------------------------------------------------------*/
6203 /*
6204 * Wireless Handler : set Fragmentation threshold
6205 */
6206 static int airo_set_frag(struct net_device *dev,
6207 struct iw_request_info *info,
6208 struct iw_param *vwrq,
6209 char *extra)
6210 {
6211 struct airo_info *local = dev->priv;
6212 int fthr = vwrq->value;
6213
6214 if(vwrq->disabled)
6215 fthr = AIRO_DEF_MTU;
6216 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6217 return -EINVAL;
6218 }
6219 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6220 readConfigRid(local, 1);
6221 local->config.fragThresh = (u16)fthr;
6222 set_bit (FLAG_COMMIT, &local->flags);
6223
6224 return -EINPROGRESS; /* Call commit handler */
6225 }
6226
6227 /*------------------------------------------------------------------*/
6228 /*
6229 * Wireless Handler : get Fragmentation threshold
6230 */
6231 static int airo_get_frag(struct net_device *dev,
6232 struct iw_request_info *info,
6233 struct iw_param *vwrq,
6234 char *extra)
6235 {
6236 struct airo_info *local = dev->priv;
6237
6238 readConfigRid(local, 1);
6239 vwrq->value = local->config.fragThresh;
6240 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6241 vwrq->fixed = 1;
6242
6243 return 0;
6244 }
6245
6246 /*------------------------------------------------------------------*/
6247 /*
6248 * Wireless Handler : set Mode of Operation
6249 */
6250 static int airo_set_mode(struct net_device *dev,
6251 struct iw_request_info *info,
6252 __u32 *uwrq,
6253 char *extra)
6254 {
6255 struct airo_info *local = dev->priv;
6256 int reset = 0;
6257
6258 readConfigRid(local, 1);
6259 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6260 reset = 1;
6261
6262 switch(*uwrq) {
6263 case IW_MODE_ADHOC:
6264 local->config.opmode &= 0xFF00;
6265 local->config.opmode |= MODE_STA_IBSS;
6266 local->config.rmode &= 0xfe00;
6267 local->config.scanMode = SCANMODE_ACTIVE;
6268 clear_bit (FLAG_802_11, &local->flags);
6269 break;
6270 case IW_MODE_INFRA:
6271 local->config.opmode &= 0xFF00;
6272 local->config.opmode |= MODE_STA_ESS;
6273 local->config.rmode &= 0xfe00;
6274 local->config.scanMode = SCANMODE_ACTIVE;
6275 clear_bit (FLAG_802_11, &local->flags);
6276 break;
6277 case IW_MODE_MASTER:
6278 local->config.opmode &= 0xFF00;
6279 local->config.opmode |= MODE_AP;
6280 local->config.rmode &= 0xfe00;
6281 local->config.scanMode = SCANMODE_ACTIVE;
6282 clear_bit (FLAG_802_11, &local->flags);
6283 break;
6284 case IW_MODE_REPEAT:
6285 local->config.opmode &= 0xFF00;
6286 local->config.opmode |= MODE_AP_RPTR;
6287 local->config.rmode &= 0xfe00;
6288 local->config.scanMode = SCANMODE_ACTIVE;
6289 clear_bit (FLAG_802_11, &local->flags);
6290 break;
6291 case IW_MODE_MONITOR:
6292 local->config.opmode &= 0xFF00;
6293 local->config.opmode |= MODE_STA_ESS;
6294 local->config.rmode &= 0xfe00;
6295 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6296 local->config.scanMode = SCANMODE_PASSIVE;
6297 set_bit (FLAG_802_11, &local->flags);
6298 break;
6299 default:
6300 return -EINVAL;
6301 }
6302 if (reset)
6303 set_bit (FLAG_RESET, &local->flags);
6304 set_bit (FLAG_COMMIT, &local->flags);
6305
6306 return -EINPROGRESS; /* Call commit handler */
6307 }
6308
6309 /*------------------------------------------------------------------*/
6310 /*
6311 * Wireless Handler : get Mode of Operation
6312 */
6313 static int airo_get_mode(struct net_device *dev,
6314 struct iw_request_info *info,
6315 __u32 *uwrq,
6316 char *extra)
6317 {
6318 struct airo_info *local = dev->priv;
6319
6320 readConfigRid(local, 1);
6321 /* If not managed, assume it's ad-hoc */
6322 switch (local->config.opmode & 0xFF) {
6323 case MODE_STA_ESS:
6324 *uwrq = IW_MODE_INFRA;
6325 break;
6326 case MODE_AP:
6327 *uwrq = IW_MODE_MASTER;
6328 break;
6329 case MODE_AP_RPTR:
6330 *uwrq = IW_MODE_REPEAT;
6331 break;
6332 default:
6333 *uwrq = IW_MODE_ADHOC;
6334 }
6335
6336 return 0;
6337 }
6338
6339 /*------------------------------------------------------------------*/
6340 /*
6341 * Wireless Handler : set Encryption Key
6342 */
6343 static int airo_set_encode(struct net_device *dev,
6344 struct iw_request_info *info,
6345 struct iw_point *dwrq,
6346 char *extra)
6347 {
6348 struct airo_info *local = dev->priv;
6349 CapabilityRid cap_rid; /* Card capability info */
6350 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6351 u16 currentAuthType = local->config.authType;
6352
6353 /* Is WEP supported ? */
6354 readCapabilityRid(local, &cap_rid, 1);
6355 /* Older firmware doesn't support this...
6356 if(!(cap_rid.softCap & 2)) {
6357 return -EOPNOTSUPP;
6358 } */
6359 readConfigRid(local, 1);
6360
6361 /* Basic checking: do we have a key to set ?
6362 * Note : with the new API, it's impossible to get a NULL pointer.
6363 * Therefore, we need to check a key size == 0 instead.
6364 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6365 * when no key is present (only change flags), but older versions
6366 * don't do it. - Jean II */
6367 if (dwrq->length > 0) {
6368 wep_key_t key;
6369 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6370 int current_index = get_wep_key(local, 0xffff);
6371 /* Check the size of the key */
6372 if (dwrq->length > MAX_KEY_SIZE) {
6373 return -EINVAL;
6374 }
6375 /* Check the index (none -> use current) */
6376 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6377 index = current_index;
6378 /* Set the length */
6379 if (dwrq->length > MIN_KEY_SIZE)
6380 key.len = MAX_KEY_SIZE;
6381 else
6382 if (dwrq->length > 0)
6383 key.len = MIN_KEY_SIZE;
6384 else
6385 /* Disable the key */
6386 key.len = 0;
6387 /* Check if the key is not marked as invalid */
6388 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6389 /* Cleanup */
6390 memset(key.key, 0, MAX_KEY_SIZE);
6391 /* Copy the key in the driver */
6392 memcpy(key.key, extra, dwrq->length);
6393 /* Send the key to the card */
6394 set_wep_key(local, index, key.key, key.len, perm, 1);
6395 }
6396 /* WE specify that if a valid key is set, encryption
6397 * should be enabled (user may turn it off later)
6398 * This is also how "iwconfig ethX key on" works */
6399 if((index == current_index) && (key.len > 0) &&
6400 (local->config.authType == AUTH_OPEN)) {
6401 local->config.authType = AUTH_ENCRYPT;
6402 }
6403 } else {
6404 /* Do we want to just set the transmit key index ? */
6405 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6406 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6407 set_wep_key(local, index, NULL, 0, perm, 1);
6408 } else
6409 /* Don't complain if only change the mode */
6410 if(!dwrq->flags & IW_ENCODE_MODE) {
6411 return -EINVAL;
6412 }
6413 }
6414 /* Read the flags */
6415 if(dwrq->flags & IW_ENCODE_DISABLED)
6416 local->config.authType = AUTH_OPEN; // disable encryption
6417 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6418 local->config.authType = AUTH_SHAREDKEY; // Only Both
6419 if(dwrq->flags & IW_ENCODE_OPEN)
6420 local->config.authType = AUTH_ENCRYPT; // Only Wep
6421 /* Commit the changes to flags if needed */
6422 if (local->config.authType != currentAuthType)
6423 set_bit (FLAG_COMMIT, &local->flags);
6424 return -EINPROGRESS; /* Call commit handler */
6425 }
6426
6427 /*------------------------------------------------------------------*/
6428 /*
6429 * Wireless Handler : get Encryption Key
6430 */
6431 static int airo_get_encode(struct net_device *dev,
6432 struct iw_request_info *info,
6433 struct iw_point *dwrq,
6434 char *extra)
6435 {
6436 struct airo_info *local = dev->priv;
6437 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6438 CapabilityRid cap_rid; /* Card capability info */
6439
6440 /* Is it supported ? */
6441 readCapabilityRid(local, &cap_rid, 1);
6442 if(!(cap_rid.softCap & 2)) {
6443 return -EOPNOTSUPP;
6444 }
6445 readConfigRid(local, 1);
6446 /* Check encryption mode */
6447 switch(local->config.authType) {
6448 case AUTH_ENCRYPT:
6449 dwrq->flags = IW_ENCODE_OPEN;
6450 break;
6451 case AUTH_SHAREDKEY:
6452 dwrq->flags = IW_ENCODE_RESTRICTED;
6453 break;
6454 default:
6455 case AUTH_OPEN:
6456 dwrq->flags = IW_ENCODE_DISABLED;
6457 break;
6458 }
6459 /* We can't return the key, so set the proper flag and return zero */
6460 dwrq->flags |= IW_ENCODE_NOKEY;
6461 memset(extra, 0, 16);
6462
6463 /* Which key do we want ? -1 -> tx index */
6464 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6465 index = get_wep_key(local, 0xffff);
6466 dwrq->flags |= index + 1;
6467 /* Copy the key to the user buffer */
6468 dwrq->length = get_wep_key(local, index);
6469 if (dwrq->length > 16) {
6470 dwrq->length=0;
6471 }
6472 return 0;
6473 }
6474
6475 /*------------------------------------------------------------------*/
6476 /*
6477 * Wireless Handler : set extended Encryption parameters
6478 */
6479 static int airo_set_encodeext(struct net_device *dev,
6480 struct iw_request_info *info,
6481 union iwreq_data *wrqu,
6482 char *extra)
6483 {
6484 struct airo_info *local = dev->priv;
6485 struct iw_point *encoding = &wrqu->encoding;
6486 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6487 CapabilityRid cap_rid; /* Card capability info */
6488 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6489 u16 currentAuthType = local->config.authType;
6490 int idx, key_len, alg = ext->alg, set_key = 1;
6491 wep_key_t key;
6492
6493 /* Is WEP supported ? */
6494 readCapabilityRid(local, &cap_rid, 1);
6495 /* Older firmware doesn't support this...
6496 if(!(cap_rid.softCap & 2)) {
6497 return -EOPNOTSUPP;
6498 } */
6499 readConfigRid(local, 1);
6500
6501 /* Determine and validate the key index */
6502 idx = encoding->flags & IW_ENCODE_INDEX;
6503 if (idx) {
6504 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6505 return -EINVAL;
6506 idx--;
6507 } else
6508 idx = get_wep_key(local, 0xffff);
6509
6510 if (encoding->flags & IW_ENCODE_DISABLED)
6511 alg = IW_ENCODE_ALG_NONE;
6512
6513 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6514 /* Only set transmit key index here, actual
6515 * key is set below if needed.
6516 */
6517 set_wep_key(local, idx, NULL, 0, perm, 1);
6518 set_key = ext->key_len > 0 ? 1 : 0;
6519 }
6520
6521 if (set_key) {
6522 /* Set the requested key first */
6523 memset(key.key, 0, MAX_KEY_SIZE);
6524 switch (alg) {
6525 case IW_ENCODE_ALG_NONE:
6526 key.len = 0;
6527 break;
6528 case IW_ENCODE_ALG_WEP:
6529 if (ext->key_len > MIN_KEY_SIZE) {
6530 key.len = MAX_KEY_SIZE;
6531 } else if (ext->key_len > 0) {
6532 key.len = MIN_KEY_SIZE;
6533 } else {
6534 return -EINVAL;
6535 }
6536 key_len = min (ext->key_len, key.len);
6537 memcpy(key.key, ext->key, key_len);
6538 break;
6539 default:
6540 return -EINVAL;
6541 }
6542 /* Send the key to the card */
6543 set_wep_key(local, idx, key.key, key.len, perm, 1);
6544 }
6545
6546 /* Read the flags */
6547 if(encoding->flags & IW_ENCODE_DISABLED)
6548 local->config.authType = AUTH_OPEN; // disable encryption
6549 if(encoding->flags & IW_ENCODE_RESTRICTED)
6550 local->config.authType = AUTH_SHAREDKEY; // Only Both
6551 if(encoding->flags & IW_ENCODE_OPEN)
6552 local->config.authType = AUTH_ENCRYPT; // Only Wep
6553 /* Commit the changes to flags if needed */
6554 if (local->config.authType != currentAuthType)
6555 set_bit (FLAG_COMMIT, &local->flags);
6556
6557 return -EINPROGRESS;
6558 }
6559
6560
6561 /*------------------------------------------------------------------*/
6562 /*
6563 * Wireless Handler : get extended Encryption parameters
6564 */
6565 static int airo_get_encodeext(struct net_device *dev,
6566 struct iw_request_info *info,
6567 union iwreq_data *wrqu,
6568 char *extra)
6569 {
6570 struct airo_info *local = dev->priv;
6571 struct iw_point *encoding = &wrqu->encoding;
6572 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6573 CapabilityRid cap_rid; /* Card capability info */
6574 int idx, max_key_len;
6575
6576 /* Is it supported ? */
6577 readCapabilityRid(local, &cap_rid, 1);
6578 if(!(cap_rid.softCap & 2)) {
6579 return -EOPNOTSUPP;
6580 }
6581 readConfigRid(local, 1);
6582
6583 max_key_len = encoding->length - sizeof(*ext);
6584 if (max_key_len < 0)
6585 return -EINVAL;
6586
6587 idx = encoding->flags & IW_ENCODE_INDEX;
6588 if (idx) {
6589 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6590 return -EINVAL;
6591 idx--;
6592 } else
6593 idx = get_wep_key(local, 0xffff);
6594
6595 encoding->flags = idx + 1;
6596 memset(ext, 0, sizeof(*ext));
6597
6598 /* Check encryption mode */
6599 switch(local->config.authType) {
6600 case AUTH_ENCRYPT:
6601 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6602 break;
6603 case AUTH_SHAREDKEY:
6604 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6605 break;
6606 default:
6607 case AUTH_OPEN:
6608 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6609 break;
6610 }
6611 /* We can't return the key, so set the proper flag and return zero */
6612 encoding->flags |= IW_ENCODE_NOKEY;
6613 memset(extra, 0, 16);
6614
6615 /* Copy the key to the user buffer */
6616 ext->key_len = get_wep_key(local, idx);
6617 if (ext->key_len > 16) {
6618 ext->key_len=0;
6619 }
6620
6621 return 0;
6622 }
6623
6624
6625 /*------------------------------------------------------------------*/
6626 /*
6627 * Wireless Handler : set extended authentication parameters
6628 */
6629 static int airo_set_auth(struct net_device *dev,
6630 struct iw_request_info *info,
6631 union iwreq_data *wrqu, char *extra)
6632 {
6633 struct airo_info *local = dev->priv;
6634 struct iw_param *param = &wrqu->param;
6635 u16 currentAuthType = local->config.authType;
6636
6637 switch (param->flags & IW_AUTH_INDEX) {
6638 case IW_AUTH_WPA_VERSION:
6639 case IW_AUTH_CIPHER_PAIRWISE:
6640 case IW_AUTH_CIPHER_GROUP:
6641 case IW_AUTH_KEY_MGMT:
6642 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6643 case IW_AUTH_PRIVACY_INVOKED:
6644 /*
6645 * airo does not use these parameters
6646 */
6647 break;
6648
6649 case IW_AUTH_DROP_UNENCRYPTED:
6650 if (param->value) {
6651 /* Only change auth type if unencrypted */
6652 if (currentAuthType == AUTH_OPEN)
6653 local->config.authType = AUTH_ENCRYPT;
6654 } else {
6655 local->config.authType = AUTH_OPEN;
6656 }
6657
6658 /* Commit the changes to flags if needed */
6659 if (local->config.authType != currentAuthType)
6660 set_bit (FLAG_COMMIT, &local->flags);
6661 break;
6662
6663 case IW_AUTH_80211_AUTH_ALG: {
6664 /* FIXME: What about AUTH_OPEN? This API seems to
6665 * disallow setting our auth to AUTH_OPEN.
6666 */
6667 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6668 local->config.authType = AUTH_SHAREDKEY;
6669 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6670 local->config.authType = AUTH_ENCRYPT;
6671 } else
6672 return -EINVAL;
6673 break;
6674
6675 /* Commit the changes to flags if needed */
6676 if (local->config.authType != currentAuthType)
6677 set_bit (FLAG_COMMIT, &local->flags);
6678 }
6679
6680 case IW_AUTH_WPA_ENABLED:
6681 /* Silently accept disable of WPA */
6682 if (param->value > 0)
6683 return -EOPNOTSUPP;
6684 break;
6685
6686 default:
6687 return -EOPNOTSUPP;
6688 }
6689 return -EINPROGRESS;
6690 }
6691
6692
6693 /*------------------------------------------------------------------*/
6694 /*
6695 * Wireless Handler : get extended authentication parameters
6696 */
6697 static int airo_get_auth(struct net_device *dev,
6698 struct iw_request_info *info,
6699 union iwreq_data *wrqu, char *extra)
6700 {
6701 struct airo_info *local = dev->priv;
6702 struct iw_param *param = &wrqu->param;
6703 u16 currentAuthType = local->config.authType;
6704
6705 switch (param->flags & IW_AUTH_INDEX) {
6706 case IW_AUTH_DROP_UNENCRYPTED:
6707 switch (currentAuthType) {
6708 case AUTH_SHAREDKEY:
6709 case AUTH_ENCRYPT:
6710 param->value = 1;
6711 break;
6712 default:
6713 param->value = 0;
6714 break;
6715 }
6716 break;
6717
6718 case IW_AUTH_80211_AUTH_ALG:
6719 switch (currentAuthType) {
6720 case AUTH_SHAREDKEY:
6721 param->value = IW_AUTH_ALG_SHARED_KEY;
6722 break;
6723 case AUTH_ENCRYPT:
6724 default:
6725 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6726 break;
6727 }
6728 break;
6729
6730 case IW_AUTH_WPA_ENABLED:
6731 param->value = 0;
6732 break;
6733
6734 default:
6735 return -EOPNOTSUPP;
6736 }
6737 return 0;
6738 }
6739
6740
6741 /*------------------------------------------------------------------*/
6742 /*
6743 * Wireless Handler : set Tx-Power
6744 */
6745 static int airo_set_txpow(struct net_device *dev,
6746 struct iw_request_info *info,
6747 struct iw_param *vwrq,
6748 char *extra)
6749 {
6750 struct airo_info *local = dev->priv;
6751 CapabilityRid cap_rid; /* Card capability info */
6752 int i;
6753 int rc = -EINVAL;
6754
6755 readCapabilityRid(local, &cap_rid, 1);
6756
6757 if (vwrq->disabled) {
6758 set_bit (FLAG_RADIO_OFF, &local->flags);
6759 set_bit (FLAG_COMMIT, &local->flags);
6760 return -EINPROGRESS; /* Call commit handler */
6761 }
6762 if (vwrq->flags != IW_TXPOW_MWATT) {
6763 return -EINVAL;
6764 }
6765 clear_bit (FLAG_RADIO_OFF, &local->flags);
6766 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6767 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6768 readConfigRid(local, 1);
6769 local->config.txPower = vwrq->value;
6770 set_bit (FLAG_COMMIT, &local->flags);
6771 rc = -EINPROGRESS; /* Call commit handler */
6772 break;
6773 }
6774 return rc;
6775 }
6776
6777 /*------------------------------------------------------------------*/
6778 /*
6779 * Wireless Handler : get Tx-Power
6780 */
6781 static int airo_get_txpow(struct net_device *dev,
6782 struct iw_request_info *info,
6783 struct iw_param *vwrq,
6784 char *extra)
6785 {
6786 struct airo_info *local = dev->priv;
6787
6788 readConfigRid(local, 1);
6789 vwrq->value = local->config.txPower;
6790 vwrq->fixed = 1; /* No power control */
6791 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6792 vwrq->flags = IW_TXPOW_MWATT;
6793
6794 return 0;
6795 }
6796
6797 /*------------------------------------------------------------------*/
6798 /*
6799 * Wireless Handler : set Retry limits
6800 */
6801 static int airo_set_retry(struct net_device *dev,
6802 struct iw_request_info *info,
6803 struct iw_param *vwrq,
6804 char *extra)
6805 {
6806 struct airo_info *local = dev->priv;
6807 int rc = -EINVAL;
6808
6809 if(vwrq->disabled) {
6810 return -EINVAL;
6811 }
6812 readConfigRid(local, 1);
6813 if(vwrq->flags & IW_RETRY_LIMIT) {
6814 if(vwrq->flags & IW_RETRY_LONG)
6815 local->config.longRetryLimit = vwrq->value;
6816 else if (vwrq->flags & IW_RETRY_SHORT)
6817 local->config.shortRetryLimit = vwrq->value;
6818 else {
6819 /* No modifier : set both */
6820 local->config.longRetryLimit = vwrq->value;
6821 local->config.shortRetryLimit = vwrq->value;
6822 }
6823 set_bit (FLAG_COMMIT, &local->flags);
6824 rc = -EINPROGRESS; /* Call commit handler */
6825 }
6826 if(vwrq->flags & IW_RETRY_LIFETIME) {
6827 local->config.txLifetime = vwrq->value / 1024;
6828 set_bit (FLAG_COMMIT, &local->flags);
6829 rc = -EINPROGRESS; /* Call commit handler */
6830 }
6831 return rc;
6832 }
6833
6834 /*------------------------------------------------------------------*/
6835 /*
6836 * Wireless Handler : get Retry limits
6837 */
6838 static int airo_get_retry(struct net_device *dev,
6839 struct iw_request_info *info,
6840 struct iw_param *vwrq,
6841 char *extra)
6842 {
6843 struct airo_info *local = dev->priv;
6844
6845 vwrq->disabled = 0; /* Can't be disabled */
6846
6847 readConfigRid(local, 1);
6848 /* Note : by default, display the min retry number */
6849 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6850 vwrq->flags = IW_RETRY_LIFETIME;
6851 vwrq->value = (int)local->config.txLifetime * 1024;
6852 } else if((vwrq->flags & IW_RETRY_LONG)) {
6853 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6854 vwrq->value = (int)local->config.longRetryLimit;
6855 } else {
6856 vwrq->flags = IW_RETRY_LIMIT;
6857 vwrq->value = (int)local->config.shortRetryLimit;
6858 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6859 vwrq->flags |= IW_RETRY_SHORT;
6860 }
6861
6862 return 0;
6863 }
6864
6865 /*------------------------------------------------------------------*/
6866 /*
6867 * Wireless Handler : get range info
6868 */
6869 static int airo_get_range(struct net_device *dev,
6870 struct iw_request_info *info,
6871 struct iw_point *dwrq,
6872 char *extra)
6873 {
6874 struct airo_info *local = dev->priv;
6875 struct iw_range *range = (struct iw_range *) extra;
6876 CapabilityRid cap_rid; /* Card capability info */
6877 int i;
6878 int k;
6879
6880 readCapabilityRid(local, &cap_rid, 1);
6881
6882 dwrq->length = sizeof(struct iw_range);
6883 memset(range, 0, sizeof(*range));
6884 range->min_nwid = 0x0000;
6885 range->max_nwid = 0x0000;
6886 range->num_channels = 14;
6887 /* Should be based on cap_rid.country to give only
6888 * what the current card support */
6889 k = 0;
6890 for(i = 0; i < 14; i++) {
6891 range->freq[k].i = i + 1; /* List index */
6892 range->freq[k].m = frequency_list[i] * 100000;
6893 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6894 }
6895 range->num_frequency = k;
6896
6897 range->sensitivity = 65535;
6898
6899 /* Hum... Should put the right values there */
6900 if (local->rssi)
6901 range->max_qual.qual = 100; /* % */
6902 else
6903 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6904 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6905 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6906
6907 /* Experimental measurements - boundary 11/5.5 Mb/s */
6908 /* Note : with or without the (local->rssi), results
6909 * are somewhat different. - Jean II */
6910 if (local->rssi) {
6911 range->avg_qual.qual = 50; /* % */
6912 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6913 } else {
6914 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6915 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6916 }
6917 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6918
6919 for(i = 0 ; i < 8 ; i++) {
6920 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6921 if(range->bitrate[i] == 0)
6922 break;
6923 }
6924 range->num_bitrates = i;
6925
6926 /* Set an indication of the max TCP throughput
6927 * in bit/s that we can expect using this interface.
6928 * May be use for QoS stuff... Jean II */
6929 if(i > 2)
6930 range->throughput = 5000 * 1000;
6931 else
6932 range->throughput = 1500 * 1000;
6933
6934 range->min_rts = 0;
6935 range->max_rts = AIRO_DEF_MTU;
6936 range->min_frag = 256;
6937 range->max_frag = AIRO_DEF_MTU;
6938
6939 if(cap_rid.softCap & 2) {
6940 // WEP: RC4 40 bits
6941 range->encoding_size[0] = 5;
6942 // RC4 ~128 bits
6943 if (cap_rid.softCap & 0x100) {
6944 range->encoding_size[1] = 13;
6945 range->num_encoding_sizes = 2;
6946 } else
6947 range->num_encoding_sizes = 1;
6948 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6949 } else {
6950 range->num_encoding_sizes = 0;
6951 range->max_encoding_tokens = 0;
6952 }
6953 range->min_pmp = 0;
6954 range->max_pmp = 5000000; /* 5 secs */
6955 range->min_pmt = 0;
6956 range->max_pmt = 65535 * 1024; /* ??? */
6957 range->pmp_flags = IW_POWER_PERIOD;
6958 range->pmt_flags = IW_POWER_TIMEOUT;
6959 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6960
6961 /* Transmit Power - values are in mW */
6962 for(i = 0 ; i < 8 ; i++) {
6963 range->txpower[i] = cap_rid.txPowerLevels[i];
6964 if(range->txpower[i] == 0)
6965 break;
6966 }
6967 range->num_txpower = i;
6968 range->txpower_capa = IW_TXPOW_MWATT;
6969 range->we_version_source = 19;
6970 range->we_version_compiled = WIRELESS_EXT;
6971 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6972 range->retry_flags = IW_RETRY_LIMIT;
6973 range->r_time_flags = IW_RETRY_LIFETIME;
6974 range->min_retry = 1;
6975 range->max_retry = 65535;
6976 range->min_r_time = 1024;
6977 range->max_r_time = 65535 * 1024;
6978
6979 /* Event capability (kernel + driver) */
6980 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6981 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6982 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6983 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6984 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6985 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6986 return 0;
6987 }
6988
6989 /*------------------------------------------------------------------*/
6990 /*
6991 * Wireless Handler : set Power Management
6992 */
6993 static int airo_set_power(struct net_device *dev,
6994 struct iw_request_info *info,
6995 struct iw_param *vwrq,
6996 char *extra)
6997 {
6998 struct airo_info *local = dev->priv;
6999
7000 readConfigRid(local, 1);
7001 if (vwrq->disabled) {
7002 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7003 return -EINVAL;
7004 }
7005 local->config.powerSaveMode = POWERSAVE_CAM;
7006 local->config.rmode &= 0xFF00;
7007 local->config.rmode |= RXMODE_BC_MC_ADDR;
7008 set_bit (FLAG_COMMIT, &local->flags);
7009 return -EINPROGRESS; /* Call commit handler */
7010 }
7011 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7012 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7013 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7014 set_bit (FLAG_COMMIT, &local->flags);
7015 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7016 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7017 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7018 set_bit (FLAG_COMMIT, &local->flags);
7019 }
7020 switch (vwrq->flags & IW_POWER_MODE) {
7021 case IW_POWER_UNICAST_R:
7022 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7023 return -EINVAL;
7024 }
7025 local->config.rmode &= 0xFF00;
7026 local->config.rmode |= RXMODE_ADDR;
7027 set_bit (FLAG_COMMIT, &local->flags);
7028 break;
7029 case IW_POWER_ALL_R:
7030 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7031 return -EINVAL;
7032 }
7033 local->config.rmode &= 0xFF00;
7034 local->config.rmode |= RXMODE_BC_MC_ADDR;
7035 set_bit (FLAG_COMMIT, &local->flags);
7036 case IW_POWER_ON:
7037 /* This is broken, fixme ;-) */
7038 break;
7039 default:
7040 return -EINVAL;
7041 }
7042 // Note : we may want to factor local->need_commit here
7043 // Note2 : may also want to factor RXMODE_RFMON test
7044 return -EINPROGRESS; /* Call commit handler */
7045 }
7046
7047 /*------------------------------------------------------------------*/
7048 /*
7049 * Wireless Handler : get Power Management
7050 */
7051 static int airo_get_power(struct net_device *dev,
7052 struct iw_request_info *info,
7053 struct iw_param *vwrq,
7054 char *extra)
7055 {
7056 struct airo_info *local = dev->priv;
7057 int mode;
7058
7059 readConfigRid(local, 1);
7060 mode = local->config.powerSaveMode;
7061 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7062 return 0;
7063 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7064 vwrq->value = (int)local->config.fastListenDelay * 1024;
7065 vwrq->flags = IW_POWER_TIMEOUT;
7066 } else {
7067 vwrq->value = (int)local->config.fastListenInterval * 1024;
7068 vwrq->flags = IW_POWER_PERIOD;
7069 }
7070 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7071 vwrq->flags |= IW_POWER_UNICAST_R;
7072 else
7073 vwrq->flags |= IW_POWER_ALL_R;
7074
7075 return 0;
7076 }
7077
7078 /*------------------------------------------------------------------*/
7079 /*
7080 * Wireless Handler : set Sensitivity
7081 */
7082 static int airo_set_sens(struct net_device *dev,
7083 struct iw_request_info *info,
7084 struct iw_param *vwrq,
7085 char *extra)
7086 {
7087 struct airo_info *local = dev->priv;
7088
7089 readConfigRid(local, 1);
7090 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7091 set_bit (FLAG_COMMIT, &local->flags);
7092
7093 return -EINPROGRESS; /* Call commit handler */
7094 }
7095
7096 /*------------------------------------------------------------------*/
7097 /*
7098 * Wireless Handler : get Sensitivity
7099 */
7100 static int airo_get_sens(struct net_device *dev,
7101 struct iw_request_info *info,
7102 struct iw_param *vwrq,
7103 char *extra)
7104 {
7105 struct airo_info *local = dev->priv;
7106
7107 readConfigRid(local, 1);
7108 vwrq->value = local->config.rssiThreshold;
7109 vwrq->disabled = (vwrq->value == 0);
7110 vwrq->fixed = 1;
7111
7112 return 0;
7113 }
7114
7115 /*------------------------------------------------------------------*/
7116 /*
7117 * Wireless Handler : get AP List
7118 * Note : this is deprecated in favor of IWSCAN
7119 */
7120 static int airo_get_aplist(struct net_device *dev,
7121 struct iw_request_info *info,
7122 struct iw_point *dwrq,
7123 char *extra)
7124 {
7125 struct airo_info *local = dev->priv;
7126 struct sockaddr *address = (struct sockaddr *) extra;
7127 struct iw_quality qual[IW_MAX_AP];
7128 BSSListRid BSSList;
7129 int i;
7130 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7131
7132 for (i = 0; i < IW_MAX_AP; i++) {
7133 if (readBSSListRid(local, loseSync, &BSSList))
7134 break;
7135 loseSync = 0;
7136 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7137 address[i].sa_family = ARPHRD_ETHER;
7138 if (local->rssi) {
7139 qual[i].level = 0x100 - BSSList.dBm;
7140 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7141 qual[i].updated = IW_QUAL_QUAL_UPDATED
7142 | IW_QUAL_LEVEL_UPDATED
7143 | IW_QUAL_DBM;
7144 } else {
7145 qual[i].level = (BSSList.dBm + 321) / 2;
7146 qual[i].qual = 0;
7147 qual[i].updated = IW_QUAL_QUAL_INVALID
7148 | IW_QUAL_LEVEL_UPDATED
7149 | IW_QUAL_DBM;
7150 }
7151 qual[i].noise = local->wstats.qual.noise;
7152 if (BSSList.index == 0xffff)
7153 break;
7154 }
7155 if (!i) {
7156 StatusRid status_rid; /* Card status info */
7157 readStatusRid(local, &status_rid, 1);
7158 for (i = 0;
7159 i < min(IW_MAX_AP, 4) &&
7160 (status_rid.bssid[i][0]
7161 & status_rid.bssid[i][1]
7162 & status_rid.bssid[i][2]
7163 & status_rid.bssid[i][3]
7164 & status_rid.bssid[i][4]
7165 & status_rid.bssid[i][5])!=0xff &&
7166 (status_rid.bssid[i][0]
7167 | status_rid.bssid[i][1]
7168 | status_rid.bssid[i][2]
7169 | status_rid.bssid[i][3]
7170 | status_rid.bssid[i][4]
7171 | status_rid.bssid[i][5]);
7172 i++) {
7173 memcpy(address[i].sa_data,
7174 status_rid.bssid[i], ETH_ALEN);
7175 address[i].sa_family = ARPHRD_ETHER;
7176 }
7177 } else {
7178 dwrq->flags = 1; /* Should be define'd */
7179 memcpy(extra + sizeof(struct sockaddr)*i,
7180 &qual, sizeof(struct iw_quality)*i);
7181 }
7182 dwrq->length = i;
7183
7184 return 0;
7185 }
7186
7187 /*------------------------------------------------------------------*/
7188 /*
7189 * Wireless Handler : Initiate Scan
7190 */
7191 static int airo_set_scan(struct net_device *dev,
7192 struct iw_request_info *info,
7193 struct iw_param *vwrq,
7194 char *extra)
7195 {
7196 struct airo_info *ai = dev->priv;
7197 Cmd cmd;
7198 Resp rsp;
7199 int wake = 0;
7200
7201 /* Note : you may have realised that, as this is a SET operation,
7202 * this is privileged and therefore a normal user can't
7203 * perform scanning.
7204 * This is not an error, while the device perform scanning,
7205 * traffic doesn't flow, so it's a perfect DoS...
7206 * Jean II */
7207 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7208
7209 if (down_interruptible(&ai->sem))
7210 return -ERESTARTSYS;
7211
7212 /* If there's already a scan in progress, don't
7213 * trigger another one. */
7214 if (ai->scan_timeout > 0)
7215 goto out;
7216
7217 /* Initiate a scan command */
7218 ai->scan_timeout = RUN_AT(3*HZ);
7219 memset(&cmd, 0, sizeof(cmd));
7220 cmd.cmd=CMD_LISTBSS;
7221 issuecommand(ai, &cmd, &rsp);
7222 wake = 1;
7223
7224 out:
7225 up(&ai->sem);
7226 if (wake)
7227 wake_up_interruptible(&ai->thr_wait);
7228 return 0;
7229 }
7230
7231 /*------------------------------------------------------------------*/
7232 /*
7233 * Translate scan data returned from the card to a card independent
7234 * format that the Wireless Tools will understand - Jean II
7235 */
7236 static inline char *airo_translate_scan(struct net_device *dev,
7237 char *current_ev,
7238 char *end_buf,
7239 BSSListRid *bss)
7240 {
7241 struct airo_info *ai = dev->priv;
7242 struct iw_event iwe; /* Temporary buffer */
7243 u16 capabilities;
7244 char * current_val; /* For rates */
7245 int i;
7246 char * buf;
7247
7248 /* First entry *MUST* be the AP MAC address */
7249 iwe.cmd = SIOCGIWAP;
7250 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7251 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7252 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7253
7254 /* Other entries will be displayed in the order we give them */
7255
7256 /* Add the ESSID */
7257 iwe.u.data.length = bss->ssidLen;
7258 if(iwe.u.data.length > 32)
7259 iwe.u.data.length = 32;
7260 iwe.cmd = SIOCGIWESSID;
7261 iwe.u.data.flags = 1;
7262 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7263
7264 /* Add mode */
7265 iwe.cmd = SIOCGIWMODE;
7266 capabilities = le16_to_cpu(bss->cap);
7267 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7268 if(capabilities & CAP_ESS)
7269 iwe.u.mode = IW_MODE_MASTER;
7270 else
7271 iwe.u.mode = IW_MODE_ADHOC;
7272 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7273 }
7274
7275 /* Add frequency */
7276 iwe.cmd = SIOCGIWFREQ;
7277 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7278 /* iwe.u.freq.m containt the channel (starting 1), our
7279 * frequency_list array start at index 0...
7280 */
7281 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7282 iwe.u.freq.e = 1;
7283 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7284
7285 /* Add quality statistics */
7286 iwe.cmd = IWEVQUAL;
7287 if (ai->rssi) {
7288 iwe.u.qual.level = 0x100 - bss->dBm;
7289 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7290 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7291 | IW_QUAL_LEVEL_UPDATED
7292 | IW_QUAL_DBM;
7293 } else {
7294 iwe.u.qual.level = (bss->dBm + 321) / 2;
7295 iwe.u.qual.qual = 0;
7296 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7297 | IW_QUAL_LEVEL_UPDATED
7298 | IW_QUAL_DBM;
7299 }
7300 iwe.u.qual.noise = ai->wstats.qual.noise;
7301 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7302
7303 /* Add encryption capability */
7304 iwe.cmd = SIOCGIWENCODE;
7305 if(capabilities & CAP_PRIVACY)
7306 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7307 else
7308 iwe.u.data.flags = IW_ENCODE_DISABLED;
7309 iwe.u.data.length = 0;
7310 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7311
7312 /* Rate : stuffing multiple values in a single event require a bit
7313 * more of magic - Jean II */
7314 current_val = current_ev + IW_EV_LCP_LEN;
7315
7316 iwe.cmd = SIOCGIWRATE;
7317 /* Those two flags are ignored... */
7318 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7319 /* Max 8 values */
7320 for(i = 0 ; i < 8 ; i++) {
7321 /* NULL terminated */
7322 if(bss->rates[i] == 0)
7323 break;
7324 /* Bit rate given in 500 kb/s units (+ 0x80) */
7325 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7326 /* Add new value to event */
7327 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7328 }
7329 /* Check if we added any event */
7330 if((current_val - current_ev) > IW_EV_LCP_LEN)
7331 current_ev = current_val;
7332
7333 /* Beacon interval */
7334 buf = kmalloc(30, GFP_KERNEL);
7335 if (buf) {
7336 iwe.cmd = IWEVCUSTOM;
7337 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7338 iwe.u.data.length = strlen(buf);
7339 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7340 kfree(buf);
7341 }
7342
7343 /* Put WPA/RSN Information Elements into the event stream */
7344 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7345 unsigned int num_null_ies = 0;
7346 u16 length = sizeof (bss->extra.iep);
7347 struct ieee80211_info_element *info_element =
7348 (struct ieee80211_info_element *) &bss->extra.iep;
7349
7350 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7351 if (sizeof(*info_element) + info_element->len > length) {
7352 /* Invalid element, don't continue parsing IE */
7353 break;
7354 }
7355
7356 switch (info_element->id) {
7357 case MFIE_TYPE_SSID:
7358 /* Two zero-length SSID elements
7359 * mean we're done parsing elements */
7360 if (!info_element->len)
7361 num_null_ies++;
7362 break;
7363
7364 case MFIE_TYPE_GENERIC:
7365 if (info_element->len >= 4 &&
7366 info_element->data[0] == 0x00 &&
7367 info_element->data[1] == 0x50 &&
7368 info_element->data[2] == 0xf2 &&
7369 info_element->data[3] == 0x01) {
7370 iwe.cmd = IWEVGENIE;
7371 iwe.u.data.length = min(info_element->len + 2,
7372 MAX_WPA_IE_LEN);
7373 current_ev = iwe_stream_add_point(current_ev, end_buf,
7374 &iwe, (char *) info_element);
7375 }
7376 break;
7377
7378 case MFIE_TYPE_RSN:
7379 iwe.cmd = IWEVGENIE;
7380 iwe.u.data.length = min(info_element->len + 2,
7381 MAX_WPA_IE_LEN);
7382 current_ev = iwe_stream_add_point(current_ev, end_buf,
7383 &iwe, (char *) info_element);
7384 break;
7385
7386 default:
7387 break;
7388 }
7389
7390 length -= sizeof(*info_element) + info_element->len;
7391 info_element =
7392 (struct ieee80211_info_element *)&info_element->
7393 data[info_element->len];
7394 }
7395 }
7396 return current_ev;
7397 }
7398
7399 /*------------------------------------------------------------------*/
7400 /*
7401 * Wireless Handler : Read Scan Results
7402 */
7403 static int airo_get_scan(struct net_device *dev,
7404 struct iw_request_info *info,
7405 struct iw_point *dwrq,
7406 char *extra)
7407 {
7408 struct airo_info *ai = dev->priv;
7409 BSSListElement *net;
7410 int err = 0;
7411 char *current_ev = extra;
7412
7413 /* If a scan is in-progress, return -EAGAIN */
7414 if (ai->scan_timeout > 0)
7415 return -EAGAIN;
7416
7417 if (down_interruptible(&ai->sem))
7418 return -EAGAIN;
7419
7420 list_for_each_entry (net, &ai->network_list, list) {
7421 /* Translate to WE format this entry */
7422 current_ev = airo_translate_scan(dev, current_ev,
7423 extra + dwrq->length,
7424 &net->bss);
7425
7426 /* Check if there is space for one more entry */
7427 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7428 /* Ask user space to try again with a bigger buffer */
7429 err = -E2BIG;
7430 goto out;
7431 }
7432 }
7433
7434 /* Length of data */
7435 dwrq->length = (current_ev - extra);
7436 dwrq->flags = 0; /* todo */
7437
7438 out:
7439 up(&ai->sem);
7440 return err;
7441 }
7442
7443 /*------------------------------------------------------------------*/
7444 /*
7445 * Commit handler : called after a bunch of SET operations
7446 */
7447 static int airo_config_commit(struct net_device *dev,
7448 struct iw_request_info *info, /* NULL */
7449 void *zwrq, /* NULL */
7450 char *extra) /* NULL */
7451 {
7452 struct airo_info *local = dev->priv;
7453
7454 if (!test_bit (FLAG_COMMIT, &local->flags))
7455 return 0;
7456
7457 /* Some of the "SET" function may have modified some of the
7458 * parameters. It's now time to commit them in the card */
7459 disable_MAC(local, 1);
7460 if (test_bit (FLAG_RESET, &local->flags)) {
7461 APListRid APList_rid;
7462 SsidRid SSID_rid;
7463
7464 readAPListRid(local, &APList_rid);
7465 readSsidRid(local, &SSID_rid);
7466 if (test_bit(FLAG_MPI,&local->flags))
7467 setup_card(local, dev->dev_addr, 1 );
7468 else
7469 reset_airo_card(dev);
7470 disable_MAC(local, 1);
7471 writeSsidRid(local, &SSID_rid, 1);
7472 writeAPListRid(local, &APList_rid, 1);
7473 }
7474 if (down_interruptible(&local->sem))
7475 return -ERESTARTSYS;
7476 writeConfigRid(local, 0);
7477 enable_MAC(local, 0);
7478 if (test_bit (FLAG_RESET, &local->flags))
7479 airo_set_promisc(local);
7480 else
7481 up(&local->sem);
7482
7483 return 0;
7484 }
7485
7486 /*------------------------------------------------------------------*/
7487 /*
7488 * Structures to export the Wireless Handlers
7489 */
7490
7491 static const struct iw_priv_args airo_private_args[] = {
7492 /*{ cmd, set_args, get_args, name } */
7493 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7494 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7495 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7496 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7497 };
7498
7499 static const iw_handler airo_handler[] =
7500 {
7501 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7502 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7503 (iw_handler) NULL, /* SIOCSIWNWID */
7504 (iw_handler) NULL, /* SIOCGIWNWID */
7505 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7506 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7507 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7508 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7509 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7510 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7511 (iw_handler) NULL, /* SIOCSIWRANGE */
7512 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7513 (iw_handler) NULL, /* SIOCSIWPRIV */
7514 (iw_handler) NULL, /* SIOCGIWPRIV */
7515 (iw_handler) NULL, /* SIOCSIWSTATS */
7516 (iw_handler) NULL, /* SIOCGIWSTATS */
7517 iw_handler_set_spy, /* SIOCSIWSPY */
7518 iw_handler_get_spy, /* SIOCGIWSPY */
7519 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7520 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7521 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7522 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7523 (iw_handler) NULL, /* -- hole -- */
7524 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7525 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7526 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7527 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7528 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7529 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7530 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7531 (iw_handler) NULL, /* -- hole -- */
7532 (iw_handler) NULL, /* -- hole -- */
7533 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7534 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7535 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7536 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7537 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7538 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7539 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7540 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7541 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7542 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7543 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7544 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7545 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7546 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7547 (iw_handler) NULL, /* -- hole -- */
7548 (iw_handler) NULL, /* -- hole -- */
7549 (iw_handler) NULL, /* SIOCSIWGENIE */
7550 (iw_handler) NULL, /* SIOCGIWGENIE */
7551 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7552 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7553 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7554 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7555 (iw_handler) NULL, /* SIOCSIWPMKSA */
7556 };
7557
7558 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7559 * We want to force the use of the ioctl code, because those can't be
7560 * won't work the iw_handler code (because they simultaneously read
7561 * and write data and iw_handler can't do that).
7562 * Note that it's perfectly legal to read/write on a single ioctl command,
7563 * you just can't use iwpriv and need to force it via the ioctl handler.
7564 * Jean II */
7565 static const iw_handler airo_private_handler[] =
7566 {
7567 NULL, /* SIOCIWFIRSTPRIV */
7568 };
7569
7570 static const struct iw_handler_def airo_handler_def =
7571 {
7572 .num_standard = ARRAY_SIZE(airo_handler),
7573 .num_private = ARRAY_SIZE(airo_private_handler),
7574 .num_private_args = ARRAY_SIZE(airo_private_args),
7575 .standard = airo_handler,
7576 .private = airo_private_handler,
7577 .private_args = airo_private_args,
7578 .get_wireless_stats = airo_get_wireless_stats,
7579 };
7580
7581 /*
7582 * This defines the configuration part of the Wireless Extensions
7583 * Note : irq and spinlock protection will occur in the subroutines
7584 *
7585 * TODO :
7586 * o Check input value more carefully and fill correct values in range
7587 * o Test and shakeout the bugs (if any)
7588 *
7589 * Jean II
7590 *
7591 * Javier Achirica did a great job of merging code from the unnamed CISCO
7592 * developer that added support for flashing the card.
7593 */
7594 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7595 {
7596 int rc = 0;
7597 struct airo_info *ai = (struct airo_info *)dev->priv;
7598
7599 if (ai->power.event)
7600 return 0;
7601
7602 switch (cmd) {
7603 #ifdef CISCO_EXT
7604 case AIROIDIFC:
7605 #ifdef AIROOLDIDIFC
7606 case AIROOLDIDIFC:
7607 #endif
7608 {
7609 int val = AIROMAGIC;
7610 aironet_ioctl com;
7611 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7612 rc = -EFAULT;
7613 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7614 rc = -EFAULT;
7615 }
7616 break;
7617
7618 case AIROIOCTL:
7619 #ifdef AIROOLDIOCTL
7620 case AIROOLDIOCTL:
7621 #endif
7622 /* Get the command struct and hand it off for evaluation by
7623 * the proper subfunction
7624 */
7625 {
7626 aironet_ioctl com;
7627 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7628 rc = -EFAULT;
7629 break;
7630 }
7631
7632 /* Separate R/W functions bracket legality here
7633 */
7634 if ( com.command == AIRORSWVERSION ) {
7635 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7636 rc = -EFAULT;
7637 else
7638 rc = 0;
7639 }
7640 else if ( com.command <= AIRORRID)
7641 rc = readrids(dev,&com);
7642 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7643 rc = writerids(dev,&com);
7644 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7645 rc = flashcard(dev,&com);
7646 else
7647 rc = -EINVAL; /* Bad command in ioctl */
7648 }
7649 break;
7650 #endif /* CISCO_EXT */
7651
7652 // All other calls are currently unsupported
7653 default:
7654 rc = -EOPNOTSUPP;
7655 }
7656 return rc;
7657 }
7658
7659 /*
7660 * Get the Wireless stats out of the driver
7661 * Note : irq and spinlock protection will occur in the subroutines
7662 *
7663 * TODO :
7664 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7665 *
7666 * Jean
7667 */
7668 static void airo_read_wireless_stats(struct airo_info *local)
7669 {
7670 StatusRid status_rid;
7671 StatsRid stats_rid;
7672 CapabilityRid cap_rid;
7673 u32 *vals = stats_rid.vals;
7674
7675 /* Get stats out of the card */
7676 clear_bit(JOB_WSTATS, &local->jobs);
7677 if (local->power.event) {
7678 up(&local->sem);
7679 return;
7680 }
7681 readCapabilityRid(local, &cap_rid, 0);
7682 readStatusRid(local, &status_rid, 0);
7683 readStatsRid(local, &stats_rid, RID_STATS, 0);
7684 up(&local->sem);
7685
7686 /* The status */
7687 local->wstats.status = status_rid.mode;
7688
7689 /* Signal quality and co */
7690 if (local->rssi) {
7691 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7692 /* normalizedSignalStrength appears to be a percentage */
7693 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7694 } else {
7695 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7696 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7697 }
7698 if (status_rid.len >= 124) {
7699 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7700 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7701 } else {
7702 local->wstats.qual.noise = 0;
7703 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7704 }
7705
7706 /* Packets discarded in the wireless adapter due to wireless
7707 * specific problems */
7708 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7709 local->wstats.discard.code = vals[6];/* RxWepErr */
7710 local->wstats.discard.fragment = vals[30];
7711 local->wstats.discard.retries = vals[10];
7712 local->wstats.discard.misc = vals[1] + vals[32];
7713 local->wstats.miss.beacon = vals[34];
7714 }
7715
7716 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7717 {
7718 struct airo_info *local = dev->priv;
7719
7720 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7721 /* Get stats out of the card if available */
7722 if (down_trylock(&local->sem) != 0) {
7723 set_bit(JOB_WSTATS, &local->jobs);
7724 wake_up_interruptible(&local->thr_wait);
7725 } else
7726 airo_read_wireless_stats(local);
7727 }
7728
7729 return &local->wstats;
7730 }
7731
7732 #ifdef CISCO_EXT
7733 /*
7734 * This just translates from driver IOCTL codes to the command codes to
7735 * feed to the radio's host interface. Things can be added/deleted
7736 * as needed. This represents the READ side of control I/O to
7737 * the card
7738 */
7739 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7740 unsigned short ridcode;
7741 unsigned char *iobuf;
7742 int len;
7743 struct airo_info *ai = dev->priv;
7744
7745 if (test_bit(FLAG_FLASHING, &ai->flags))
7746 return -EIO;
7747
7748 switch(comp->command)
7749 {
7750 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7751 case AIROGCFG: ridcode = RID_CONFIG;
7752 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7753 disable_MAC (ai, 1);
7754 writeConfigRid (ai, 1);
7755 enable_MAC(ai, 1);
7756 }
7757 break;
7758 case AIROGSLIST: ridcode = RID_SSID; break;
7759 case AIROGVLIST: ridcode = RID_APLIST; break;
7760 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7761 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7762 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7763 /* Only super-user can read WEP keys */
7764 if (!capable(CAP_NET_ADMIN))
7765 return -EPERM;
7766 break;
7767 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7768 /* Only super-user can read WEP keys */
7769 if (!capable(CAP_NET_ADMIN))
7770 return -EPERM;
7771 break;
7772 case AIROGSTAT: ridcode = RID_STATUS; break;
7773 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7774 case AIROGSTATSC32: ridcode = RID_STATS; break;
7775 case AIROGMICSTATS:
7776 if (copy_to_user(comp->data, &ai->micstats,
7777 min((int)comp->len,(int)sizeof(ai->micstats))))
7778 return -EFAULT;
7779 return 0;
7780 case AIRORRID: ridcode = comp->ridnum; break;
7781 default:
7782 return -EINVAL;
7783 break;
7784 }
7785
7786 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7787 return -ENOMEM;
7788
7789 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7790 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7791 * then return it to the user
7792 * 9/22/2000 Honor user given length
7793 */
7794 len = comp->len;
7795
7796 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7797 kfree (iobuf);
7798 return -EFAULT;
7799 }
7800 kfree (iobuf);
7801 return 0;
7802 }
7803
7804 /*
7805 * Danger Will Robinson write the rids here
7806 */
7807
7808 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7809 struct airo_info *ai = dev->priv;
7810 int ridcode;
7811 int enabled;
7812 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7813 unsigned char *iobuf;
7814
7815 /* Only super-user can write RIDs */
7816 if (!capable(CAP_NET_ADMIN))
7817 return -EPERM;
7818
7819 if (test_bit(FLAG_FLASHING, &ai->flags))
7820 return -EIO;
7821
7822 ridcode = 0;
7823 writer = do_writerid;
7824
7825 switch(comp->command)
7826 {
7827 case AIROPSIDS: ridcode = RID_SSID; break;
7828 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7829 case AIROPAPLIST: ridcode = RID_APLIST; break;
7830 case AIROPCFG: ai->config.len = 0;
7831 clear_bit(FLAG_COMMIT, &ai->flags);
7832 ridcode = RID_CONFIG; break;
7833 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7834 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7835 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7836 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7837 break;
7838 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7839 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7840
7841 /* this is not really a rid but a command given to the card
7842 * same with MAC off
7843 */
7844 case AIROPMACON:
7845 if (enable_MAC(ai, 1) != 0)
7846 return -EIO;
7847 return 0;
7848
7849 /*
7850 * Evidently this code in the airo driver does not get a symbol
7851 * as disable_MAC. it's probably so short the compiler does not gen one.
7852 */
7853 case AIROPMACOFF:
7854 disable_MAC(ai, 1);
7855 return 0;
7856
7857 /* This command merely clears the counts does not actually store any data
7858 * only reads rid. But as it changes the cards state, I put it in the
7859 * writerid routines.
7860 */
7861 case AIROPSTCLR:
7862 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7863 return -ENOMEM;
7864
7865 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7866
7867 enabled = ai->micstats.enabled;
7868 memset(&ai->micstats,0,sizeof(ai->micstats));
7869 ai->micstats.enabled = enabled;
7870
7871 if (copy_to_user(comp->data, iobuf,
7872 min((int)comp->len, (int)RIDSIZE))) {
7873 kfree (iobuf);
7874 return -EFAULT;
7875 }
7876 kfree (iobuf);
7877 return 0;
7878
7879 default:
7880 return -EOPNOTSUPP; /* Blarg! */
7881 }
7882 if(comp->len > RIDSIZE)
7883 return -EINVAL;
7884
7885 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7886 return -ENOMEM;
7887
7888 if (copy_from_user(iobuf,comp->data,comp->len)) {
7889 kfree (iobuf);
7890 return -EFAULT;
7891 }
7892
7893 if (comp->command == AIROPCFG) {
7894 ConfigRid *cfg = (ConfigRid *)iobuf;
7895
7896 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7897 cfg->opmode |= MODE_MIC;
7898
7899 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7900 set_bit (FLAG_ADHOC, &ai->flags);
7901 else
7902 clear_bit (FLAG_ADHOC, &ai->flags);
7903 }
7904
7905 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7906 kfree (iobuf);
7907 return -EIO;
7908 }
7909 kfree (iobuf);
7910 return 0;
7911 }
7912
7913 /*****************************************************************************
7914 * Ancillary flash / mod functions much black magic lurkes here *
7915 *****************************************************************************
7916 */
7917
7918 /*
7919 * Flash command switch table
7920 */
7921
7922 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7923 int z;
7924
7925 /* Only super-user can modify flash */
7926 if (!capable(CAP_NET_ADMIN))
7927 return -EPERM;
7928
7929 switch(comp->command)
7930 {
7931 case AIROFLSHRST:
7932 return cmdreset((struct airo_info *)dev->priv);
7933
7934 case AIROFLSHSTFL:
7935 if (!((struct airo_info *)dev->priv)->flash &&
7936 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7937 return -ENOMEM;
7938 return setflashmode((struct airo_info *)dev->priv);
7939
7940 case AIROFLSHGCHR: /* Get char from aux */
7941 if(comp->len != sizeof(int))
7942 return -EINVAL;
7943 if (copy_from_user(&z,comp->data,comp->len))
7944 return -EFAULT;
7945 return flashgchar((struct airo_info *)dev->priv,z,8000);
7946
7947 case AIROFLSHPCHR: /* Send char to card. */
7948 if(comp->len != sizeof(int))
7949 return -EINVAL;
7950 if (copy_from_user(&z,comp->data,comp->len))
7951 return -EFAULT;
7952 return flashpchar((struct airo_info *)dev->priv,z,8000);
7953
7954 case AIROFLPUTBUF: /* Send 32k to card */
7955 if (!((struct airo_info *)dev->priv)->flash)
7956 return -ENOMEM;
7957 if(comp->len > FLASHSIZE)
7958 return -EINVAL;
7959 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7960 return -EFAULT;
7961
7962 flashputbuf((struct airo_info *)dev->priv);
7963 return 0;
7964
7965 case AIRORESTART:
7966 if(flashrestart((struct airo_info *)dev->priv,dev))
7967 return -EIO;
7968 return 0;
7969 }
7970 return -EINVAL;
7971 }
7972
7973 #define FLASH_COMMAND 0x7e7e
7974
7975 /*
7976 * STEP 1)
7977 * Disable MAC and do soft reset on
7978 * card.
7979 */
7980
7981 static int cmdreset(struct airo_info *ai) {
7982 disable_MAC(ai, 1);
7983
7984 if(!waitbusy (ai)){
7985 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7986 return -EBUSY;
7987 }
7988
7989 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7990
7991 ssleep(1); /* WAS 600 12/7/00 */
7992
7993 if(!waitbusy (ai)){
7994 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7995 return -EBUSY;
7996 }
7997 return 0;
7998 }
7999
8000 /* STEP 2)
8001 * Put the card in legendary flash
8002 * mode
8003 */
8004
8005 static int setflashmode (struct airo_info *ai) {
8006 set_bit (FLAG_FLASHING, &ai->flags);
8007
8008 OUT4500(ai, SWS0, FLASH_COMMAND);
8009 OUT4500(ai, SWS1, FLASH_COMMAND);
8010 if (probe) {
8011 OUT4500(ai, SWS0, FLASH_COMMAND);
8012 OUT4500(ai, COMMAND,0x10);
8013 } else {
8014 OUT4500(ai, SWS2, FLASH_COMMAND);
8015 OUT4500(ai, SWS3, FLASH_COMMAND);
8016 OUT4500(ai, COMMAND,0);
8017 }
8018 msleep(500); /* 500ms delay */
8019
8020 if(!waitbusy(ai)) {
8021 clear_bit (FLAG_FLASHING, &ai->flags);
8022 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8023 return -EIO;
8024 }
8025 return 0;
8026 }
8027
8028 /* Put character to SWS0 wait for dwelltime
8029 * x 50us for echo .
8030 */
8031
8032 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8033 int echo;
8034 int waittime;
8035
8036 byte |= 0x8000;
8037
8038 if(dwelltime == 0 )
8039 dwelltime = 200;
8040
8041 waittime=dwelltime;
8042
8043 /* Wait for busy bit d15 to go false indicating buffer empty */
8044 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8045 udelay (50);
8046 waittime -= 50;
8047 }
8048
8049 /* timeout for busy clear wait */
8050 if(waittime <= 0 ){
8051 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8052 return -EBUSY;
8053 }
8054
8055 /* Port is clear now write byte and wait for it to echo back */
8056 do {
8057 OUT4500(ai,SWS0,byte);
8058 udelay(50);
8059 dwelltime -= 50;
8060 echo = IN4500(ai,SWS1);
8061 } while (dwelltime >= 0 && echo != byte);
8062
8063 OUT4500(ai,SWS1,0);
8064
8065 return (echo == byte) ? 0 : -EIO;
8066 }
8067
8068 /*
8069 * Get a character from the card matching matchbyte
8070 * Step 3)
8071 */
8072 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8073 int rchar;
8074 unsigned char rbyte=0;
8075
8076 do {
8077 rchar = IN4500(ai,SWS1);
8078
8079 if(dwelltime && !(0x8000 & rchar)){
8080 dwelltime -= 10;
8081 mdelay(10);
8082 continue;
8083 }
8084 rbyte = 0xff & rchar;
8085
8086 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8087 OUT4500(ai,SWS1,0);
8088 return 0;
8089 }
8090 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8091 break;
8092 OUT4500(ai,SWS1,0);
8093
8094 }while(dwelltime > 0);
8095 return -EIO;
8096 }
8097
8098 /*
8099 * Transfer 32k of firmware data from user buffer to our buffer and
8100 * send to the card
8101 */
8102
8103 static int flashputbuf(struct airo_info *ai){
8104 int nwords;
8105
8106 /* Write stuff */
8107 if (test_bit(FLAG_MPI,&ai->flags))
8108 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8109 else {
8110 OUT4500(ai,AUXPAGE,0x100);
8111 OUT4500(ai,AUXOFF,0);
8112
8113 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8114 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8115 }
8116 }
8117 OUT4500(ai,SWS0,0x8000);
8118
8119 return 0;
8120 }
8121
8122 /*
8123 *
8124 */
8125 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8126 int i,status;
8127
8128 ssleep(1); /* Added 12/7/00 */
8129 clear_bit (FLAG_FLASHING, &ai->flags);
8130 if (test_bit(FLAG_MPI, &ai->flags)) {
8131 status = mpi_init_descriptors(ai);
8132 if (status != SUCCESS)
8133 return status;
8134 }
8135 status = setup_card(ai, dev->dev_addr, 1);
8136
8137 if (!test_bit(FLAG_MPI,&ai->flags))
8138 for( i = 0; i < MAX_FIDS; i++ ) {
8139 ai->fids[i] = transmit_allocate
8140 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8141 }
8142
8143 ssleep(1); /* Added 12/7/00 */
8144 return status;
8145 }
8146 #endif /* CISCO_EXT */
8147
8148 /*
8149 This program is free software; you can redistribute it and/or
8150 modify it under the terms of the GNU General Public License
8151 as published by the Free Software Foundation; either version 2
8152 of the License, or (at your option) any later version.
8153
8154 This program is distributed in the hope that it will be useful,
8155 but WITHOUT ANY WARRANTY; without even the implied warranty of
8156 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8157 GNU General Public License for more details.
8158
8159 In addition:
8160
8161 Redistribution and use in source and binary forms, with or without
8162 modification, are permitted provided that the following conditions
8163 are met:
8164
8165 1. Redistributions of source code must retain the above copyright
8166 notice, this list of conditions and the following disclaimer.
8167 2. Redistributions in binary form must reproduce the above copyright
8168 notice, this list of conditions and the following disclaimer in the
8169 documentation and/or other materials provided with the distribution.
8170 3. The name of the author may not be used to endorse or promote
8171 products derived from this software without specific prior written
8172 permission.
8173
8174 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8175 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8176 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8177 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8178 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8179 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8180 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8181 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8182 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8183 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8184 POSSIBILITY OF SUCH DAMAGE.
8185 */
8186
8187 module_init(airo_init_module);
8188 module_exit(airo_cleanup_module);
linux kernel for loongson