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Staging: netwave: delete the driver
[linux/fpc-iii.git] / drivers / net / wireless / airo.c
blobdc5018a6d9edcc75a9de752c56e1f27bdbd2d7ee
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 #include <asm/unaligned.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
52
53 #include <linux/ieee80211.h>
54 #include <net/iw_handler.h>
55
56 #include "airo.h"
57
58 #define DRV_NAME "airo"
59
60 #ifdef CONFIG_PCI
61 static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0, }
70 };
71 MODULE_DEVICE_TABLE(pci, card_ids);
72
73 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74 static void airo_pci_remove(struct pci_dev *);
75 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
76 static int airo_pci_resume(struct pci_dev *pdev);
77
78 static struct pci_driver airo_driver = {
79 .name = DRV_NAME,
80 .id_table = card_ids,
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
85 };
86 #endif /* CONFIG_PCI */
87
88 /* Include Wireless Extension definition and check version - Jean II */
89 #include <linux/wireless.h>
90 #define WIRELESS_SPY /* enable iwspy support */
91 #include <net/iw_handler.h> /* New driver API */
92
93 #define CISCO_EXT /* enable Cisco extensions */
94 #ifdef CISCO_EXT
95 #include <linux/delay.h>
96 #endif
97
98 /* Hack to do some power saving */
99 #define POWER_ON_DOWN
100
101 /* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
106
107 #define IGNLABEL(comment) NULL
108 static char *statsLabels[] = {
109 "RxOverrun",
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
113 "RxMacCrcErr",
114 "RxMacCrcOk",
115 "RxWepErr",
116 "RxWepOk",
117 "RetryLong",
118 "RetryShort",
119 "MaxRetries",
120 "NoAck",
121 "NoCts",
122 "RxAck",
123 "RxCts",
124 "TxAck",
125 "TxRts",
126 "TxCts",
127 "TxMc",
128 "TxBc",
129 "TxUcFrags",
130 "TxUcPackets",
131 "TxBeacon",
132 "RxBeacon",
133 "TxSinColl",
134 "TxMulColl",
135 "DefersNo",
136 "DefersProt",
137 "DefersEngy",
138 "DupFram",
139 "RxFragDisc",
140 "TxAged",
141 "RxAged",
142 "LostSync-MaxRetry",
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
145 "LostSync-Deauth",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
148 "HostTxMc",
149 "HostTxBc",
150 "HostTxUc",
151 "HostTxFail",
152 "HostRxMc",
153 "HostRxBc",
154 "HostRxUc",
155 "HostRxDiscard",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
165 "SsidMismatch",
166 "ApMismatch",
167 "RatesMismatch",
168 "AuthReject",
169 "AuthTimeout",
170 "AssocReject",
171 "AssocTimeout",
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
192 "RxMan",
193 "TxMan",
194 "RxRefresh",
195 "TxRefresh",
196 "RxPoll",
197 "TxPoll",
198 "HostRetries",
199 "LostSync-HostReq",
200 "HostTxBytes",
201 "HostRxBytes",
202 "ElapsedUsec",
203 "ElapsedSec",
204 "LostSyncBetterAP",
205 "PrivacyMismatch",
206 "Jammed",
207 "DiscRxNotWepped",
208 "PhyEleMismatch",
209 (char*)-1 };
210 #ifndef RUN_AT
211 #define RUN_AT(x) (jiffies+(x))
212 #endif
213
214
215 /* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
218
219 static int rates[8];
220 static int basic_rate;
221 static char *ssids[3];
222
223 static int io[4];
224 static int irq[4];
225
226 static
227 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
229
230 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
233 static int adhoc;
234
235 static int probe = 1;
236
237 static int proc_uid /* = 0 */;
238
239 static int proc_gid /* = 0 */;
240
241 static int airo_perm = 0555;
242
243 static int proc_perm = 0644;
244
245 MODULE_AUTHOR("Benjamin Reed");
246 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
247 cards. Direct support for ISA/PCI/MPI cards and support \
248 for PCMCIA when used with airo_cs.");
249 MODULE_LICENSE("Dual BSD/GPL");
250 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
251 module_param_array(io, int, NULL, 0);
252 module_param_array(irq, int, NULL, 0);
253 module_param(basic_rate, int, 0);
254 module_param_array(rates, int, NULL, 0);
255 module_param_array(ssids, charp, NULL, 0);
256 module_param(auto_wep, int, 0);
257 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
258 the authentication options until an association is made. The value of \
259 auto_wep is number of the wep keys to check. A value of 2 will try using \
260 the key at index 0 and index 1.");
261 module_param(aux_bap, int, 0);
262 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
263 than seems to work better for older cards with some older buses. Before \
264 switching it checks that the switch is needed.");
265 module_param(maxencrypt, int, 0);
266 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
267 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
268 Older cards used to be limited to 2mbs (4).");
269 module_param(adhoc, int, 0);
270 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271 module_param(probe, int, 0);
272 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273
274 module_param(proc_uid, int, 0);
275 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276 module_param(proc_gid, int, 0);
277 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278 module_param(airo_perm, int, 0);
279 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280 module_param(proc_perm, int, 0);
281 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282
283 /* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
286 static int do8bitIO /* = 0 */;
287
288 /* Return codes */
289 #define SUCCESS 0
290 #define ERROR -1
291 #define NO_PACKET -2
292
293 /* Commands */
294 #define NOP2 0x0000
295 #define MAC_ENABLE 0x0001
296 #define MAC_DISABLE 0x0002
297 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298 #define CMD_SOFTRESET 0x0004
299 #define HOSTSLEEP 0x0005
300 #define CMD_MAGIC_PKT 0x0006
301 #define CMD_SETWAKEMASK 0x0007
302 #define CMD_READCFG 0x0008
303 #define CMD_SETMODE 0x0009
304 #define CMD_ALLOCATETX 0x000a
305 #define CMD_TRANSMIT 0x000b
306 #define CMD_DEALLOCATETX 0x000c
307 #define NOP 0x0010
308 #define CMD_WORKAROUND 0x0011
309 #define CMD_ALLOCATEAUX 0x0020
310 #define CMD_ACCESS 0x0021
311 #define CMD_PCIBAP 0x0022
312 #define CMD_PCIAUX 0x0023
313 #define CMD_ALLOCBUF 0x0028
314 #define CMD_GETTLV 0x0029
315 #define CMD_PUTTLV 0x002a
316 #define CMD_DELTLV 0x002b
317 #define CMD_FINDNEXTTLV 0x002c
318 #define CMD_PSPNODES 0x0030
319 #define CMD_SETCW 0x0031
320 #define CMD_SETPCF 0x0032
321 #define CMD_SETPHYREG 0x003e
322 #define CMD_TXTEST 0x003f
323 #define MAC_ENABLETX 0x0101
324 #define CMD_LISTBSS 0x0103
325 #define CMD_SAVECFG 0x0108
326 #define CMD_ENABLEAUX 0x0111
327 #define CMD_WRITERID 0x0121
328 #define CMD_USEPSPNODES 0x0130
329 #define MAC_ENABLERX 0x0201
330
331 /* Command errors */
332 #define ERROR_QUALIF 0x00
333 #define ERROR_ILLCMD 0x01
334 #define ERROR_ILLFMT 0x02
335 #define ERROR_INVFID 0x03
336 #define ERROR_INVRID 0x04
337 #define ERROR_LARGE 0x05
338 #define ERROR_NDISABL 0x06
339 #define ERROR_ALLOCBSY 0x07
340 #define ERROR_NORD 0x0B
341 #define ERROR_NOWR 0x0C
342 #define ERROR_INVFIDTX 0x0D
343 #define ERROR_TESTACT 0x0E
344 #define ERROR_TAGNFND 0x12
345 #define ERROR_DECODE 0x20
346 #define ERROR_DESCUNAV 0x21
347 #define ERROR_BADLEN 0x22
348 #define ERROR_MODE 0x80
349 #define ERROR_HOP 0x81
350 #define ERROR_BINTER 0x82
351 #define ERROR_RXMODE 0x83
352 #define ERROR_MACADDR 0x84
353 #define ERROR_RATES 0x85
354 #define ERROR_ORDER 0x86
355 #define ERROR_SCAN 0x87
356 #define ERROR_AUTH 0x88
357 #define ERROR_PSMODE 0x89
358 #define ERROR_RTYPE 0x8A
359 #define ERROR_DIVER 0x8B
360 #define ERROR_SSID 0x8C
361 #define ERROR_APLIST 0x8D
362 #define ERROR_AUTOWAKE 0x8E
363 #define ERROR_LEAP 0x8F
364
365 /* Registers */
366 #define COMMAND 0x00
367 #define PARAM0 0x02
368 #define PARAM1 0x04
369 #define PARAM2 0x06
370 #define STATUS 0x08
371 #define RESP0 0x0a
372 #define RESP1 0x0c
373 #define RESP2 0x0e
374 #define LINKSTAT 0x10
375 #define SELECT0 0x18
376 #define OFFSET0 0x1c
377 #define RXFID 0x20
378 #define TXALLOCFID 0x22
379 #define TXCOMPLFID 0x24
380 #define DATA0 0x36
381 #define EVSTAT 0x30
382 #define EVINTEN 0x32
383 #define EVACK 0x34
384 #define SWS0 0x28
385 #define SWS1 0x2a
386 #define SWS2 0x2c
387 #define SWS3 0x2e
388 #define AUXPAGE 0x3A
389 #define AUXOFF 0x3C
390 #define AUXDATA 0x3E
391
392 #define FID_TX 1
393 #define FID_RX 2
394 /* Offset into aux memory for descriptors */
395 #define AUX_OFFSET 0x800
396 /* Size of allocated packets */
397 #define PKTSIZE 1840
398 #define RIDSIZE 2048
399 /* Size of the transmit queue */
400 #define MAXTXQ 64
401
402 /* BAP selectors */
403 #define BAP0 0 /* Used for receiving packets */
404 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
405
406 /* Flags */
407 #define COMMAND_BUSY 0x8000
408
409 #define BAP_BUSY 0x8000
410 #define BAP_ERR 0x4000
411 #define BAP_DONE 0x2000
412
413 #define PROMISC 0xffff
414 #define NOPROMISC 0x0000
415
416 #define EV_CMD 0x10
417 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_RX 0x01
419 #define EV_TX 0x02
420 #define EV_TXEXC 0x04
421 #define EV_ALLOC 0x08
422 #define EV_LINK 0x80
423 #define EV_AWAKE 0x100
424 #define EV_TXCPY 0x400
425 #define EV_UNKNOWN 0x800
426 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427 #define EV_AWAKEN 0x2000
428 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429
430 #ifdef CHECK_UNKNOWN_INTS
431 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432 #else
433 #define IGNORE_INTS (~STATUS_INTS)
434 #endif
435
436 /* RID TYPES */
437 #define RID_RW 0x20
438
439 /* The RIDs */
440 #define RID_CAPABILITIES 0xFF00
441 #define RID_APINFO 0xFF01
442 #define RID_RADIOINFO 0xFF02
443 #define RID_UNKNOWN3 0xFF03
444 #define RID_RSSI 0xFF04
445 #define RID_CONFIG 0xFF10
446 #define RID_SSID 0xFF11
447 #define RID_APLIST 0xFF12
448 #define RID_DRVNAME 0xFF13
449 #define RID_ETHERENCAP 0xFF14
450 #define RID_WEP_TEMP 0xFF15
451 #define RID_WEP_PERM 0xFF16
452 #define RID_MODULATION 0xFF17
453 #define RID_OPTIONS 0xFF18
454 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455 #define RID_FACTORYCONFIG 0xFF21
456 #define RID_UNKNOWN22 0xFF22
457 #define RID_LEAPUSERNAME 0xFF23
458 #define RID_LEAPPASSWORD 0xFF24
459 #define RID_STATUS 0xFF50
460 #define RID_BEACON_HST 0xFF51
461 #define RID_BUSY_HST 0xFF52
462 #define RID_RETRIES_HST 0xFF53
463 #define RID_UNKNOWN54 0xFF54
464 #define RID_UNKNOWN55 0xFF55
465 #define RID_UNKNOWN56 0xFF56
466 #define RID_MIC 0xFF57
467 #define RID_STATS16 0xFF60
468 #define RID_STATS16DELTA 0xFF61
469 #define RID_STATS16DELTACLEAR 0xFF62
470 #define RID_STATS 0xFF68
471 #define RID_STATSDELTA 0xFF69
472 #define RID_STATSDELTACLEAR 0xFF6A
473 #define RID_ECHOTEST_RID 0xFF70
474 #define RID_ECHOTEST_RESULTS 0xFF71
475 #define RID_BSSLISTFIRST 0xFF72
476 #define RID_BSSLISTNEXT 0xFF73
477 #define RID_WPA_BSSLISTFIRST 0xFF74
478 #define RID_WPA_BSSLISTNEXT 0xFF75
479
480 typedef struct {
481 u16 cmd;
482 u16 parm0;
483 u16 parm1;
484 u16 parm2;
485 } Cmd;
486
487 typedef struct {
488 u16 status;
489 u16 rsp0;
490 u16 rsp1;
491 u16 rsp2;
492 } Resp;
493
494 /*
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
498 */
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 WepKeyRid WepKeyRid;
503 struct WepKeyRid {
504 __le16 len;
505 __le16 kindex;
506 u8 mac[ETH_ALEN];
507 __le16 klen;
508 u8 key[16];
509 } __attribute__ ((packed));
510
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct Ssid Ssid;
513 struct Ssid {
514 __le16 len;
515 u8 ssid[32];
516 } __attribute__ ((packed));
517
518 typedef struct SsidRid SsidRid;
519 struct SsidRid {
520 __le16 len;
521 Ssid ssids[3];
522 } __attribute__ ((packed));
523
524 typedef struct ModulationRid ModulationRid;
525 struct ModulationRid {
526 __le16 len;
527 __le16 modulation;
528 #define MOD_DEFAULT cpu_to_le16(0)
529 #define MOD_CCK cpu_to_le16(1)
530 #define MOD_MOK cpu_to_le16(2)
531 } __attribute__ ((packed));
532
533 typedef struct ConfigRid ConfigRid;
534 struct ConfigRid {
535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537 #define MODE_STA_IBSS cpu_to_le16(0)
538 #define MODE_STA_ESS cpu_to_le16(1)
539 #define MODE_AP cpu_to_le16(2)
540 #define MODE_AP_RPTR cpu_to_le16(3)
541 #define MODE_CFG_MASK cpu_to_le16(0xff)
542 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558 #define RXMODE_MASK cpu_to_le16(255)
559 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
562 __le16 fragThresh;
563 __le16 rtsThres;
564 u8 macAddr[ETH_ALEN];
565 u8 rates[8];
566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
570 __le16 stationary;
571 __le16 ordering;
572 __le16 u16deviceType; /* for overriding device type */
573 __le16 cfpRate;
574 __le16 cfpDuration;
575 __le16 _reserved1[3];
576 /*---------- Scanning/Associating ----------*/
577 __le16 scanMode;
578 #define SCANMODE_ACTIVE cpu_to_le16(0)
579 #define SCANMODE_PASSIVE cpu_to_le16(1)
580 #define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
586 __le16 authTimeout;
587 __le16 authType;
588 #define AUTH_OPEN cpu_to_le16(0x1)
589 #define AUTH_ENCRYPT cpu_to_le16(0x101)
590 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
591 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
601 /*---------- Power save operation ----------*/
602 __le16 powerSaveMode;
603 #define POWERSAVE_CAM cpu_to_le16(0)
604 #define POWERSAVE_PSP cpu_to_le16(1)
605 #define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
609 __le16 listenDecay;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
612 /*---------- Ap/Ibss config items ----------*/
613 __le16 beaconPeriod;
614 __le16 atimDuration;
615 __le16 hopPeriod;
616 __le16 channelSet;
617 __le16 channel;
618 __le16 dtimPeriod;
619 __le16 bridgeDistance;
620 __le16 radioID;
621 /*---------- Radio configuration ----------*/
622 __le16 radioType;
623 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
624 #define RADIOTYPE_802_11 cpu_to_le16(1)
625 #define RADIOTYPE_LEGACY cpu_to_le16(2)
626 u8 rxDiversity;
627 u8 txDiversity;
628 __le16 txPower;
629 #define TXPOWER_DEFAULT 0
630 __le16 rssiThreshold;
631 #define RSSI_DEFAULT 0
632 __le16 modulation;
633 #define PREAMBLE_AUTO cpu_to_le16(0)
634 #define PREAMBLE_LONG cpu_to_le16(1)
635 #define PREAMBLE_SHORT cpu_to_le16(2)
636 __le16 preamble;
637 __le16 homeProduct;
638 __le16 radioSpecific;
639 /*---------- Aironet Extensions ----------*/
640 u8 nodeName[16];
641 __le16 arlThreshold;
642 __le16 arlDecay;
643 __le16 arlDelay;
644 __le16 _reserved4[1];
645 /*---------- Aironet Extensions ----------*/
646 u8 magicAction;
647 #define MAGIC_ACTION_STSCHG 1
648 #define MAGIC_ACTION_RESUME 2
649 #define MAGIC_IGNORE_MCAST (1<<8)
650 #define MAGIC_IGNORE_BCAST (1<<9)
651 #define MAGIC_SWITCH_TO_PSP (0<<10)
652 #define MAGIC_STAY_IN_CAM (1<<10)
653 u8 magicControl;
654 __le16 autoWake;
655 } __attribute__ ((packed));
656
657 typedef struct StatusRid StatusRid;
658 struct StatusRid {
659 __le16 len;
660 u8 mac[ETH_ALEN];
661 __le16 mode;
662 __le16 errorCode;
663 __le16 sigQuality;
664 __le16 SSIDlen;
665 char SSID[32];
666 char apName[16];
667 u8 bssid[4][ETH_ALEN];
668 __le16 beaconPeriod;
669 __le16 dimPeriod;
670 __le16 atimDuration;
671 __le16 hopPeriod;
672 __le16 channelSet;
673 __le16 channel;
674 __le16 hopsToBackbone;
675 __le16 apTotalLoad;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
683 u8 apIP[4];
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
690 __le16 load;
691 u8 carrier[4];
692 __le16 assocStatus;
693 #define STAT_NOPACKETS 0
694 #define STAT_NOCARRIERSET 10
695 #define STAT_GOTCARRIERSET 11
696 #define STAT_WRONGSSID 20
697 #define STAT_BADCHANNEL 25
698 #define STAT_BADBITRATES 30
699 #define STAT_BADPRIVACY 35
700 #define STAT_APFOUND 40
701 #define STAT_APREJECTED 50
702 #define STAT_AUTHENTICATING 60
703 #define STAT_DEAUTHENTICATED 61
704 #define STAT_AUTHTIMEOUT 62
705 #define STAT_ASSOCIATING 70
706 #define STAT_DEASSOCIATED 71
707 #define STAT_ASSOCTIMEOUT 72
708 #define STAT_NOTAIROAP 73
709 #define STAT_ASSOCIATED 80
710 #define STAT_LEAPING 90
711 #define STAT_LEAPFAILED 91
712 #define STAT_LEAPTIMEDOUT 92
713 #define STAT_LEAPCOMPLETE 93
714 } __attribute__ ((packed));
715
716 typedef struct StatsRid StatsRid;
717 struct StatsRid {
718 __le16 len;
719 __le16 spacer;
720 __le32 vals[100];
721 } __attribute__ ((packed));
722
723 typedef struct APListRid APListRid;
724 struct APListRid {
725 __le16 len;
726 u8 ap[4][ETH_ALEN];
727 } __attribute__ ((packed));
728
729 typedef struct CapabilityRid CapabilityRid;
730 struct CapabilityRid {
731 __le16 len;
732 char oui[3];
733 char zero;
734 __le16 prodNum;
735 char manName[32];
736 char prodName[16];
737 char prodVer[8];
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
740 __le16 radioType;
741 __le16 country;
742 char callid[ETH_ALEN];
743 char supportedRates[8];
744 char rxDiversity;
745 char txDiversity;
746 __le16 txPowerLevels[8];
747 __le16 hardVer;
748 __le16 hardCap;
749 __le16 tempRange;
750 __le16 softVer;
751 __le16 softSubVer;
752 __le16 interfaceVer;
753 __le16 softCap;
754 __le16 bootBlockVer;
755 __le16 requiredHard;
756 __le16 extSoftCap;
757 } __attribute__ ((packed));
758
759 /* Only present on firmware >= 5.30.17 */
760 typedef struct BSSListRidExtra BSSListRidExtra;
761 struct BSSListRidExtra {
762 __le16 unknown[4];
763 u8 fixed[12]; /* WLAN management frame */
764 u8 iep[624];
765 } __attribute__ ((packed));
766
767 typedef struct BSSListRid BSSListRid;
768 struct BSSListRid {
769 __le16 len;
770 __le16 index; /* First is 0 and 0xffff means end of list */
771 #define RADIO_FH 1 /* Frequency hopping radio type */
772 #define RADIO_DS 2 /* Direct sequence radio type */
773 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
774 __le16 radioType;
775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
776 u8 zero;
777 u8 ssidLen;
778 u8 ssid[32];
779 __le16 dBm;
780 #define CAP_ESS cpu_to_le16(1<<0)
781 #define CAP_IBSS cpu_to_le16(1<<1)
782 #define CAP_PRIVACY cpu_to_le16(1<<4)
783 #define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 cap;
785 __le16 beaconInterval;
786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
788 __le16 dwell;
789 u8 hopSet;
790 u8 hopPattern;
791 u8 hopIndex;
792 u8 fill;
793 } fh;
794 __le16 dsChannel;
795 __le16 atimWindow;
796
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
799 } __attribute__ ((packed));
800
801 typedef struct {
802 BSSListRid bss;
803 struct list_head list;
804 } BSSListElement;
805
806 typedef struct tdsRssiEntry tdsRssiEntry;
807 struct tdsRssiEntry {
808 u8 rssipct;
809 u8 rssidBm;
810 } __attribute__ ((packed));
811
812 typedef struct tdsRssiRid tdsRssiRid;
813 struct tdsRssiRid {
814 u16 len;
815 tdsRssiEntry x[256];
816 } __attribute__ ((packed));
817
818 typedef struct MICRid MICRid;
819 struct MICRid {
820 __le16 len;
821 __le16 state;
822 __le16 multicastValid;
823 u8 multicast[16];
824 __le16 unicastValid;
825 u8 unicast[16];
826 } __attribute__ ((packed));
827
828 typedef struct MICBuffer MICBuffer;
829 struct MICBuffer {
830 __be16 typelen;
831
832 union {
833 u8 snap[8];
834 struct {
835 u8 dsap;
836 u8 ssap;
837 u8 control;
838 u8 orgcode[3];
839 u8 fieldtype[2];
840 } llc;
841 } u;
842 __be32 mic;
843 __be32 seq;
844 } __attribute__ ((packed));
845
846 typedef struct {
847 u8 da[ETH_ALEN];
848 u8 sa[ETH_ALEN];
849 } etherHead;
850
851 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
852 #define TXCTL_TXEX (1<<2) /* report if tx fails */
853 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
854 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856 #define TXCTL_LLC (1<<4) /* payload is llc */
857 #define TXCTL_RELEASE (0<<5) /* release after completion */
858 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859
860 #define BUSY_FID 0x10000
861
862 #ifdef CISCO_EXT
863 #define AIROMAGIC 0xa55a
864 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865 #ifdef SIOCIWFIRSTPRIV
866 #ifdef SIOCDEVPRIVATE
867 #define AIROOLDIOCTL SIOCDEVPRIVATE
868 #define AIROOLDIDIFC AIROOLDIOCTL + 1
869 #endif /* SIOCDEVPRIVATE */
870 #else /* SIOCIWFIRSTPRIV */
871 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872 #endif /* SIOCIWFIRSTPRIV */
873 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877 #define AIROIOCTL SIOCIWFIRSTPRIV
878 #define AIROIDIFC AIROIOCTL + 1
879
880 /* Ioctl constants to be used in airo_ioctl.command */
881
882 #define AIROGCAP 0 // Capability rid
883 #define AIROGCFG 1 // USED A LOT
884 #define AIROGSLIST 2 // System ID list
885 #define AIROGVLIST 3 // List of specified AP's
886 #define AIROGDRVNAM 4 // NOTUSED
887 #define AIROGEHTENC 5 // NOTUSED
888 #define AIROGWEPKTMP 6
889 #define AIROGWEPKNV 7
890 #define AIROGSTAT 8
891 #define AIROGSTATSC32 9
892 #define AIROGSTATSD32 10
893 #define AIROGMICRID 11
894 #define AIROGMICSTATS 12
895 #define AIROGFLAGS 13
896 #define AIROGID 14
897 #define AIRORRID 15
898 #define AIRORSWVERSION 17
899
900 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
901
902 #define AIROPCAP AIROGSTATSD32 + 40
903 #define AIROPVLIST AIROPCAP + 1
904 #define AIROPSLIST AIROPVLIST + 1
905 #define AIROPCFG AIROPSLIST + 1
906 #define AIROPSIDS AIROPCFG + 1
907 #define AIROPAPLIST AIROPSIDS + 1
908 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910 #define AIROPSTCLR AIROPMACOFF + 1
911 #define AIROPWEPKEY AIROPSTCLR + 1
912 #define AIROPWEPKEYNV AIROPWEPKEY + 1
913 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
914 #define AIROPLEAPUSR AIROPLEAPPWD + 1
915
916 /* Flash codes */
917
918 #define AIROFLSHRST AIROPWEPKEYNV + 40
919 #define AIROFLSHGCHR AIROFLSHRST + 1
920 #define AIROFLSHSTFL AIROFLSHGCHR + 1
921 #define AIROFLSHPCHR AIROFLSHSTFL + 1
922 #define AIROFLPUTBUF AIROFLSHPCHR + 1
923 #define AIRORESTART AIROFLPUTBUF + 1
924
925 #define FLASHSIZE 32768
926 #define AUXMEMSIZE (256 * 1024)
927
928 typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
933 } aironet_ioctl;
934
935 static char swversion[] = "2.1";
936 #endif /* CISCO_EXT */
937
938 #define NUM_MODULES 2
939 #define MIC_MSGLEN_MAX 2400
940 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
941 #define AIRO_DEF_MTU 2312
942
943 typedef struct {
944 u32 size; // size
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
951 u32 reserve[32];
952 } mic_statistics;
953
954 typedef struct {
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
958 union {
959 u8 d8[4];
960 __be32 d32;
961 } part; // saves partial message word across update() calls
962 } emmh32_context;
963
964 typedef struct {
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
970 u8 key[16];
971 } miccntx;
972
973 typedef struct {
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
976 } mic_module;
977
978 typedef struct {
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983 } Rid;
984
985 typedef struct {
986 unsigned int offset: 15;
987 unsigned int eoc: 1;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
991 } TxFid;
992
993 struct rx_hdr {
994 __le16 status, len;
995 u8 rssi[2];
996 u8 rate;
997 u8 freq;
998 __le16 tmp[4];
999 } __attribute__ ((packed));
1000
1001 typedef struct {
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1007 } RxFid;
1008
1009 /*
1010 * Host receive descriptor
1011 */
1012 typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 desc */
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 int pending;
1019 } HostRxDesc;
1020
1021 /*
1022 * Host transmit descriptor
1023 */
1024 typedef struct {
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 desc */
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1029 buffer */
1030 int pending;
1031 } HostTxDesc;
1032
1033 /*
1034 * Host RID descriptor
1035 */
1036 typedef struct {
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 descriptor */
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1041 buffer */
1042 } HostRidDesc;
1043
1044 typedef struct {
1045 u16 sw0;
1046 u16 sw1;
1047 u16 status;
1048 u16 len;
1049 #define HOST_SET (1 << 0)
1050 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056 #define HOST_RTS (1 << 9) /* Force RTS use */
1057 #define HOST_SHORT (1 << 10) /* Do short preamble */
1058 u16 ctl;
1059 u16 aid;
1060 u16 retries;
1061 u16 fill;
1062 } TxCtlHdr;
1063
1064 typedef struct {
1065 u16 ctl;
1066 u16 duration;
1067 char addr1[6];
1068 char addr2[6];
1069 char addr3[6];
1070 u16 seq;
1071 char addr4[6];
1072 } WifiHdr;
1073
1074
1075 typedef struct {
1076 TxCtlHdr ctlhdr;
1077 u16 fill1;
1078 u16 fill2;
1079 WifiHdr wifihdr;
1080 u16 gaplen;
1081 u16 status;
1082 } WifiCtlHdr;
1083
1084 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctlhdr = {
1086 .ctl = HOST_DONT_RLSE,
1087 }
1088 };
1089
1090 // A few details needed for WEP (Wireless Equivalent Privacy)
1091 #define MAX_KEY_SIZE 13 // 128 (?) bits
1092 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093 typedef struct wep_key_t {
1094 u16 len;
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1096 } wep_key_t;
1097
1098 /* List of Wireless Handlers (new API) */
1099 static const struct iw_handler_def airo_handler_def;
1100
1101 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1102
1103 struct airo_info;
1104
1105 static int get_dec_u16( char *buffer, int *start, int limit );
1106 static void OUT4500( struct airo_info *, u16 register, u16 value );
1107 static unsigned short IN4500( struct airo_info *, u16 register );
1108 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1109 static int enable_MAC(struct airo_info *ai, int lock);
1110 static void disable_MAC(struct airo_info *ai, int lock);
1111 static void enable_interrupts(struct airo_info*);
1112 static void disable_interrupts(struct airo_info*);
1113 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1115 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 int whichbap);
1117 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 int whichbap);
1119 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 int whichbap);
1121 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130
1131 static int mpi_send_packet (struct net_device *dev);
1132 static void mpi_unmap_card(struct pci_dev *pci);
1133 static void mpi_receive_802_3(struct airo_info *ai);
1134 static void mpi_receive_802_11(struct airo_info *ai);
1135 static int waitbusy (struct airo_info *ai);
1136
1137 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1138 static int airo_thread(void *data);
1139 static void timer_func( struct net_device *dev );
1140 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1141 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1142 static void airo_read_wireless_stats (struct airo_info *local);
1143 #ifdef CISCO_EXT
1144 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1146 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1147 #endif /* CISCO_EXT */
1148 static void micinit(struct airo_info *ai);
1149 static int micsetup(struct airo_info *ai);
1150 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152
1153 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155
1156 static void airo_networks_free(struct airo_info *ai);
1157
1158 struct airo_info {
1159 struct net_device *dev;
1160 struct list_head dev_list;
1161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1163 #define MAX_FIDS 6
1164 #define MPI_MAX_FIDS 1
1165 u32 fids[MAX_FIDS];
1166 ConfigRid config;
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
1171 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173 #define FLAG_RADIO_MASK 0x03
1174 #define FLAG_ENABLED 2
1175 #define FLAG_ADHOC 3 /* Needed by MIC */
1176 #define FLAG_MIC_CAPABLE 4
1177 #define FLAG_UPDATE_MULTI 5
1178 #define FLAG_UPDATE_UNI 6
1179 #define FLAG_802_11 7
1180 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1181 #define FLAG_PENDING_XMIT 9
1182 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_MPI 11
1184 #define FLAG_REGISTERED 12
1185 #define FLAG_COMMIT 13
1186 #define FLAG_RESET 14
1187 #define FLAG_FLASHING 15
1188 #define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1190 #define JOB_DIE 0
1191 #define JOB_XMIT 1
1192 #define JOB_XMIT11 2
1193 #define JOB_STATS 3
1194 #define JOB_PROMISC 4
1195 #define JOB_MIC 5
1196 #define JOB_EVENT 6
1197 #define JOB_AUTOWEP 7
1198 #define JOB_WSTATS 8
1199 #define JOB_SCAN_RESULTS 9
1200 unsigned long jobs;
1201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 int whichbap);
1203 unsigned short *flash;
1204 tdsRssiEntry *rssi;
1205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
1207 struct semaphore sem;
1208 wait_queue_head_t thr_wait;
1209 unsigned long expires;
1210 struct {
1211 struct sk_buff *skb;
1212 int fid;
1213 } xmit, xmit11;
1214 struct net_device *wifidev;
1215 struct iw_statistics wstats; // wireless stats
1216 unsigned long scan_timeout; /* Time scan should be read */
1217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
1219 /* MIC stuff */
1220 struct crypto_cipher *tfm;
1221 mic_module mod[2];
1222 mic_statistics micstats;
1223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
1233 pm_message_t power;
1234 SsidRid *SSID;
1235 APListRid *APList;
1236 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
1238
1239 int wep_capable;
1240 int max_wep_idx;
1241
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1246
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1250 };
1251
1252 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1254 {
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1256 }
1257
1258 static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260 static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1262
1263 static int cmdreset(struct airo_info *ai);
1264 static int setflashmode (struct airo_info *ai);
1265 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266 static int flashputbuf(struct airo_info *ai);
1267 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268
1269 #define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1271
1272 #define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1274
1275 #define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1277
1278 #define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1280
1281 #define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1283
1284 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1285
1286 /***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1289 */
1290
1291 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292 static void MoveWindow(miccntx *context, u32 micSeq);
1293 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295 static void emmh32_init(emmh32_context *context);
1296 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1299
1300 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1302 {
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1305 */
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1308
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1311
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1318
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1321 }
1322
1323 /* micinit - Initialize mic seed */
1324
1325 static void micinit(struct airo_info *ai)
1326 {
1327 MICRid mic_rid;
1328
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1332
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1337 */
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1340 return;
1341 }
1342
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1347 }
1348
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
1353 }
1354 }
1355
1356 /* micsetup - Get ready for business */
1357
1358 static int micsetup(struct airo_info *ai) {
1359 int i;
1360
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1363
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1366 ai->tfm = NULL;
1367 return ERROR;
1368 }
1369
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1373 }
1374 return SUCCESS;
1375 }
1376
1377 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1378
1379 /*===========================================================================
1380 * Description: Mic a packet
1381 *
1382 * Inputs: etherHead * pointer to an 802.3 frame
1383 *
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1386 *
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1390 *
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1393 */
1394
1395 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1396 {
1397 miccntx *context;
1398
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1401
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1404 else
1405 context = &ai->mod[0].uCtx;
1406
1407 if (!context->valid)
1408 return ERROR;
1409
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1413
1414 // Add Tx sequence
1415 mic->seq = htonl(context->tx);
1416 context->tx += 2;
1417
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1424
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 return SUCCESS;
1428 }
1429
1430 typedef enum {
1431 NONE,
1432 NOMIC,
1433 NOMICPLUMMED,
1434 SEQUENCE,
1435 INCORRECTMIC,
1436 } mic_error;
1437
1438 /*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1441 *
1442 * Inputs: etherHead pointer to the 802.3 packet
1443 *
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 *
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1449 */
1450
1451 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1452 {
1453 int i;
1454 u32 micSEQ;
1455 miccntx *context;
1456 u8 digest[4];
1457 mic_error micError = NONE;
1458
1459 // Check if the packet is a Mic'd packet
1460
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467 return SUCCESS;
1468 }
1469
1470 if (ntohs(mic->typelen) == 0x888E)
1471 return SUCCESS;
1472
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1476 return ERROR;
1477 }
1478
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1483
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1487 return ERROR;
1488 }
1489
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494
1495 //Make sure context is valid
1496 if (!context->valid) {
1497 if (i == 0)
1498 micError = NOMICPLUMMED;
1499 continue;
1500 }
1501 //DeMic it
1502
1503 if (!mic->typelen)
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 //Calculate MIC
1512 emmh32_final(&context->seed, digest);
1513
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1515 //Invalid Mic
1516 if (i == 0)
1517 micError = INCORRECTMIC;
1518 continue;
1519 }
1520
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1524 return SUCCESS;
1525 }
1526 if (i == 0)
1527 micError = SEQUENCE;
1528 }
1529
1530 // Update statistics
1531 switch (micError) {
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 case NONE: break;
1536 case NOMIC: break;
1537 }
1538 return ERROR;
1539 }
1540
1541 /*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1544 *
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1547 *
1548 * Returns: TRUE if valid otherwise FALSE.
1549 *
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1553 */
1554
1555 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1556 {
1557 u32 seq,index;
1558
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1561
1562 if (mcast) {
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1567 }
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1572 }
1573
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1576
1577 //Too old of a SEQ number to check.
1578 if ((s32)seq < 0)
1579 return ERROR;
1580
1581 if ( seq > 64 ) {
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1584 return SUCCESS;
1585 }
1586
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1590
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1595
1596 MoveWindow(context,micSeq);
1597
1598 return SUCCESS;
1599 }
1600 return ERROR;
1601 }
1602
1603 static void MoveWindow(miccntx *context, u32 micSeq)
1604 {
1605 u32 shift;
1606
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1610
1611 //Shift out old
1612 if (shift < 32)
1613 context->rx >>= shift;
1614 else
1615 context->rx = 0;
1616
1617 context->window = micSeq; //Move window
1618 }
1619 }
1620
1621 /*==============================================*/
1622 /*========== EMMH ROUTINES ====================*/
1623 /*==============================================*/
1624
1625 /* mic accumulate */
1626 #define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628
1629 static unsigned char aes_counter[16];
1630
1631 /* expand the key to fill the MMH coefficient array */
1632 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1634 {
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1637
1638 int i,j;
1639 u32 counter;
1640 u8 *cipher, plain[16];
1641
1642 crypto_cipher_setkey(tfm, pkey, 16);
1643 counter = 0;
1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1649 counter++;
1650 memcpy (plain, aes_counter, 16);
1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 cipher = plain;
1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1655 j += 4;
1656 }
1657 }
1658 }
1659
1660 /* prepare for calculation of a new mic */
1661 static void emmh32_init(emmh32_context *context)
1662 {
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1666 }
1667
1668 /* add some bytes to the mic calculation */
1669 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1670 {
1671 int coeff_position, byte_position;
1672
1673 if (len == 0) return;
1674
1675 coeff_position = context->position >> 2;
1676
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1688 }
1689
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1696 }
1697
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1704 }
1705 }
1706
1707 /* mask used to zero empty bytes for final partial word */
1708 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709
1710 /* calculate the mic */
1711 static void emmh32_final(emmh32_context *context, u8 digest[4])
1712 {
1713 int coeff_position, byte_position;
1714 u32 val;
1715
1716 u64 sum, utmp;
1717 s64 stmp;
1718
1719 coeff_position = context->position >> 2;
1720
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1727 }
1728
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1736
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1742 }
1743
1744 static int readBSSListRid(struct airo_info *ai, int first,
1745 BSSListRid *list)
1746 {
1747 Cmd cmd;
1748 Resp rsp;
1749
1750 if (first == 1) {
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1762 }
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1765 }
1766
1767 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768 {
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1771 }
1772
1773 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1774 {
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 if (perm) {
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1783 }
1784 return rc;
1785 }
1786
1787 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788 {
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1790 }
1791
1792 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793 {
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1795 }
1796
1797 static int readConfigRid(struct airo_info *ai, int lock)
1798 {
1799 int rc;
1800 ConfigRid cfg;
1801
1802 if (ai->config.len)
1803 return SUCCESS;
1804
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1808
1809 ai->config = cfg;
1810 return SUCCESS;
1811 }
1812
1813 static inline void checkThrottle(struct airo_info *ai)
1814 {
1815 int i;
1816 /* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1821 }
1822 }
1823 }
1824 }
1825
1826 static int writeConfigRid(struct airo_info *ai, int lock)
1827 {
1828 ConfigRid cfgr;
1829
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1832
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1837
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1842
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1844 }
1845
1846 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847 {
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1849 }
1850
1851 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852 {
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1854 }
1855
1856 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857 {
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1859 }
1860
1861 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862 {
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1864 }
1865
1866 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867 {
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1869 }
1870
1871 static void try_auto_wep(struct airo_info *ai)
1872 {
1873 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1876 }
1877 }
1878
1879 static int airo_open(struct net_device *dev) {
1880 struct airo_info *ai = dev->ml_priv;
1881 int rc = 0;
1882
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1884 return -EIO;
1885
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet commited, do it now - Jean II */
1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 disable_MAC(ai, 1);
1892 writeConfigRid(ai, 1);
1893 }
1894
1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1900
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 dev->name, dev);
1903 if (rc) {
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1906 dev->irq, rc);
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1909 return rc;
1910 }
1911
1912 /* Power on the MAC controller (which may have been disabled) */
1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1915
1916 try_auto_wep(ai);
1917 }
1918 enable_MAC(ai, 1);
1919
1920 netif_start_queue(dev);
1921 return 0;
1922 }
1923
1924 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1926 {
1927 int npacks, pending;
1928 unsigned long flags;
1929 struct airo_info *ai = dev->ml_priv;
1930
1931 if (!skb) {
1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1933 return NETDEV_TX_OK;
1934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1942 }
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
1945 }
1946
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1952
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1956 }
1957 return NETDEV_TX_OK;
1958 }
1959
1960 /*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967 static int mpi_send_packet (struct net_device *dev)
1968 {
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1971 s16 len;
1972 __le16 *payloadLen;
1973 struct airo_info *ai = dev->ml_priv;
1974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1981 __func__);
1982 return 0;
1983 }
1984
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1988
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994 /*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediatly after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy((char *)ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
2011 * Firmware automaticly puts 802 header on so
2012 * we don't need to account for it in the length
2013 */
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2016 MICBuffer pMic;
2017
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2020
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030 } else {
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033 dev->trans_start = jiffies;
2034
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2037 }
2038
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042 OUT4500(ai, EVACK, 8);
2043
2044 dev_kfree_skb_any(skb);
2045 return 1;
2046 }
2047
2048 static void get_tx_error(struct airo_info *ai, s32 fid)
2049 {
2050 __le16 status;
2051
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2058 }
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 { }
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2077
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2082
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 }
2097 }
2098
2099 static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
2107 clear_bit(JOB_XMIT, &priv->jobs);
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2111
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
2118 dev->stats.tx_window_errors++;
2119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123 }
2124
2125 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127 {
2128 s16 len;
2129 int i, j;
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
2136 }
2137
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2144
2145 if (i == MAX_FIDS / 2) {
2146 dev->stats.tx_fifo_errors++;
2147 return NETDEV_TX_BUSY;
2148 }
2149 }
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2155 priv->xmit.fid = i;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
2159 set_bit(JOB_XMIT, &priv->jobs);
2160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
2163 return NETDEV_TX_OK;
2164 }
2165
2166 static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
2169 struct airo_info *priv = dev->ml_priv;
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2173
2174 clear_bit(JOB_XMIT11, &priv->jobs);
2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177 up(&priv->sem);
2178
2179 i = MAX_FIDS / 2;
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 } else {
2184 priv->fids[fid] &= 0xffff;
2185 dev->stats.tx_window_errors++;
2186 }
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2190 }
2191
2192 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2194 {
2195 s16 len;
2196 int i, j;
2197 struct airo_info *priv = dev->ml_priv;
2198 u32 *fids = priv->fids;
2199
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
2205 }
2206
2207 if ( skb == NULL ) {
2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2209 return NETDEV_TX_OK;
2210 }
2211
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2218
2219 if (i == MAX_FIDS) {
2220 dev->stats.tx_fifo_errors++;
2221 return NETDEV_TX_BUSY;
2222 }
2223 }
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
2233 set_bit(JOB_XMIT11, &priv->jobs);
2234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
2237 return NETDEV_TX_OK;
2238 }
2239
2240 static void airo_read_stats(struct net_device *dev)
2241 {
2242 struct airo_info *ai = dev->ml_priv;
2243 StatsRid stats_rid;
2244 __le32 *vals = stats_rid.vals;
2245
2246 clear_bit(JOB_STATS, &ai->jobs);
2247 if (ai->power.event) {
2248 up(&ai->sem);
2249 return;
2250 }
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2253
2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2255 le32_to_cpu(vals[45]);
2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2257 le32_to_cpu(vals[41]);
2258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
2266
2267 /* detailed rx_errors: */
2268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2272 }
2273
2274 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2275 {
2276 struct airo_info *local = dev->ml_priv;
2277
2278 if (!test_bit(JOB_STATS, &local->jobs)) {
2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
2281 set_bit(JOB_STATS, &local->jobs);
2282 wake_up_interruptible(&local->thr_wait);
2283 } else
2284 airo_read_stats(dev);
2285 }
2286
2287 return &dev->stats;
2288 }
2289
2290 static void airo_set_promisc(struct airo_info *ai) {
2291 Cmd cmd;
2292 Resp rsp;
2293
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
2296 clear_bit(JOB_PROMISC, &ai->jobs);
2297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2299 up(&ai->sem);
2300 }
2301
2302 static void airo_set_multicast_list(struct net_device *dev) {
2303 struct airo_info *ai = dev->ml_priv;
2304
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
2308 set_bit(JOB_PROMISC, &ai->jobs);
2309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2312 }
2313
2314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2315 /* Turn on multicast. (Should be already setup...) */
2316 }
2317 }
2318
2319 static int airo_set_mac_address(struct net_device *dev, void *p)
2320 {
2321 struct airo_info *ai = dev->ml_priv;
2322 struct sockaddr *addr = p;
2323
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2327 disable_MAC(ai, 1);
2328 writeConfigRid (ai, 1);
2329 enable_MAC(ai, 1);
2330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 if (ai->wifidev)
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333 return 0;
2334 }
2335
2336 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337 {
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2339 return -EINVAL;
2340 dev->mtu = new_mtu;
2341 return 0;
2342 }
2343
2344 static LIST_HEAD(airo_devices);
2345
2346 static void add_airo_dev(struct airo_info *ai)
2347 {
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2352 }
2353
2354 static void del_airo_dev(struct airo_info *ai)
2355 {
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2358 }
2359
2360 static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
2362
2363 netif_stop_queue(dev);
2364
2365 if (ai->wifidev != dev) {
2366 #ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374 #endif
2375 disable_interrupts( ai );
2376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2381 }
2382 return 0;
2383 }
2384
2385 void stop_airo_card( struct net_device *dev, int freeres )
2386 {
2387 struct airo_info *ai = dev->ml_priv;
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2399 }
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 }
2402 /*
2403 * Clean out tx queue
2404 */
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
2411 airo_networks_free (ai);
2412
2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
2417 if (freeres) {
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 if (ai->pci)
2422 mpi_unmap_card(ai->pci);
2423 if (ai->pcimem)
2424 iounmap(ai->pcimem);
2425 if (ai->pciaux)
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2429 }
2430 }
2431 crypto_free_cipher(ai->tfm);
2432 del_airo_dev(ai);
2433 free_netdev( dev );
2434 }
2435
2436 EXPORT_SYMBOL(stop_airo_card);
2437
2438 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2439 {
2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2441 return ETH_ALEN;
2442 }
2443
2444 static void mpi_unmap_card(struct pci_dev *pci)
2445 {
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2450
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2453 }
2454
2455 /*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2461 */
2462 static int mpi_init_descriptors (struct airo_info *ai)
2463 {
2464 Cmd cmd;
2465 Resp rsp;
2466 int i;
2467 int rc = SUCCESS;
2468
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_RX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2482 return rc;
2483 }
2484
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2488 }
2489
2490 /* Alloc card TX descriptors */
2491
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2494
2495 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm0 = FID_TX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2499
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 }
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2510 return rc;
2511 }
2512
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2516
2517 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm0 = RID_RW;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2524 return rc;
2525 }
2526
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2529
2530 return rc;
2531 }
2532
2533 /*
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issueing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
2539 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2540 {
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
2546 unsigned char __iomem *pciaddroff;
2547
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2552
2553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
2556 goto out;
2557 }
2558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
2561 goto free_region1;
2562 }
2563
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
2568 goto free_region2;
2569 }
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
2574 goto free_memmap;
2575 }
2576
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 if (!ai->shared) {
2580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
2582 goto free_auxmap;
2583 }
2584
2585 /*
2586 * Setup descriptor RX, TX, CONFIG
2587 */
2588 busaddroff = ai->shared_dma;
2589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2591
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2601
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2605 }
2606
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
2613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2619 }
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
2627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2633
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2636 goto free_shared;
2637
2638 return 0;
2639 free_shared:
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642 iounmap(ai->pciaux);
2643 free_memmap:
2644 iounmap(ai->pcimem);
2645 free_region2:
2646 release_mem_region(aux_start, aux_len);
2647 free_region1:
2648 release_mem_region(mem_start, mem_len);
2649 out:
2650 return rc;
2651 }
2652
2653 static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2655 };
2656
2657 static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2665 };
2666
2667 static void wifi_setup(struct net_device *dev)
2668 {
2669 dev->netdev_ops = &airo11_netdev_ops;
2670 dev->header_ops = &airo_header_ops;
2671 dev->wireless_handlers = &airo_handler_def;
2672
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
2675 dev->mtu = AIRO_DEF_MTU;
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2678
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2680
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2682 }
2683
2684 static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2686 {
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2689 if (!dev)
2690 return NULL;
2691 dev->ml_priv = ethdev->ml_priv;
2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
2694 dev->wireless_data = ethdev->wireless_data;
2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2701 }
2702 return dev;
2703 }
2704
2705 static int reset_card( struct net_device *dev , int lock) {
2706 struct airo_info *ai = dev->ml_priv;
2707
2708 if (lock && down_interruptible(&ai->sem))
2709 return -1;
2710 waitbusy (ai);
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 msleep(200);
2713 waitbusy (ai);
2714 msleep(200);
2715 if (lock)
2716 up(&ai->sem);
2717 return 0;
2718 }
2719
2720 #define AIRO_MAX_NETWORK_COUNT 64
2721 static int airo_networks_allocate(struct airo_info *ai)
2722 {
2723 if (ai->networks)
2724 return 0;
2725
2726 ai->networks =
2727 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2728 GFP_KERNEL);
2729 if (!ai->networks) {
2730 airo_print_warn("", "Out of memory allocating beacons");
2731 return -ENOMEM;
2732 }
2733
2734 return 0;
2735 }
2736
2737 static void airo_networks_free(struct airo_info *ai)
2738 {
2739 kfree(ai->networks);
2740 ai->networks = NULL;
2741 }
2742
2743 static void airo_networks_initialize(struct airo_info *ai)
2744 {
2745 int i;
2746
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
2749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2752 }
2753
2754 static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_multicast_list = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_change_mtu = airo_change_mtu,
2763 .ndo_validate_addr = eth_validate_addr,
2764 };
2765
2766 static const struct net_device_ops mpi_netdev_ops = {
2767 .ndo_open = airo_open,
2768 .ndo_stop = airo_close,
2769 .ndo_start_xmit = mpi_start_xmit,
2770 .ndo_get_stats = airo_get_stats,
2771 .ndo_set_multicast_list = airo_set_multicast_list,
2772 .ndo_set_mac_address = airo_set_mac_address,
2773 .ndo_do_ioctl = airo_ioctl,
2774 .ndo_change_mtu = airo_change_mtu,
2775 .ndo_validate_addr = eth_validate_addr,
2776 };
2777
2778
2779 static struct net_device *_init_airo_card( unsigned short irq, int port,
2780 int is_pcmcia, struct pci_dev *pci,
2781 struct device *dmdev )
2782 {
2783 struct net_device *dev;
2784 struct airo_info *ai;
2785 int i, rc;
2786 CapabilityRid cap_rid;
2787
2788 /* Create the network device object. */
2789 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2790 if (!dev) {
2791 airo_print_err("", "Couldn't alloc_etherdev");
2792 return NULL;
2793 }
2794
2795 ai = dev->ml_priv = netdev_priv(dev);
2796 ai->wifidev = NULL;
2797 ai->flags = 1 << FLAG_RADIO_DOWN;
2798 ai->jobs = 0;
2799 ai->dev = dev;
2800 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2801 airo_print_dbg("", "Found an MPI350 card");
2802 set_bit(FLAG_MPI, &ai->flags);
2803 }
2804 spin_lock_init(&ai->aux_lock);
2805 sema_init(&ai->sem, 1);
2806 ai->config.len = 0;
2807 ai->pci = pci;
2808 init_waitqueue_head (&ai->thr_wait);
2809 ai->tfm = NULL;
2810 add_airo_dev(ai);
2811
2812 if (airo_networks_allocate (ai))
2813 goto err_out_free;
2814 airo_networks_initialize (ai);
2815
2816 skb_queue_head_init (&ai->txq);
2817
2818 /* The Airo-specific entries in the device structure. */
2819 if (test_bit(FLAG_MPI,&ai->flags))
2820 dev->netdev_ops = &mpi_netdev_ops;
2821 else
2822 dev->netdev_ops = &airo_netdev_ops;
2823 dev->wireless_handlers = &airo_handler_def;
2824 ai->wireless_data.spy_data = &ai->spy_data;
2825 dev->wireless_data = &ai->wireless_data;
2826 dev->irq = irq;
2827 dev->base_addr = port;
2828
2829 SET_NETDEV_DEV(dev, dmdev);
2830
2831 reset_card (dev, 1);
2832 msleep(400);
2833
2834 if (!is_pcmcia) {
2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 rc = -EBUSY;
2837 airo_print_err(dev->name, "Couldn't request region");
2838 goto err_out_nets;
2839 }
2840 }
2841
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
2845 goto err_out_res;
2846 }
2847 }
2848
2849 if (probe) {
2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2851 airo_print_err(dev->name, "MAC could not be enabled" );
2852 rc = -EIO;
2853 goto err_out_map;
2854 }
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2858 }
2859
2860 strcpy(dev->name, "eth%d");
2861 rc = register_netdev(dev);
2862 if (rc) {
2863 airo_print_err(dev->name, "Couldn't register_netdev");
2864 goto err_out_map;
2865 }
2866 ai->wifidev = init_wifidev(ai, dev);
2867 if (!ai->wifidev)
2868 goto err_out_reg;
2869
2870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2872 rc = -EIO;
2873 goto err_out_wifi;
2874 }
2875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2878
2879 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2883
2884 /* Test for WPA support */
2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2890
2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2895 } else {
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2898
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 }
2903
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911
2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2913 goto err_out_wifi;
2914
2915 return dev;
2916
2917 err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920 err_out_reg:
2921 unregister_netdev(dev);
2922 err_out_map:
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2928 }
2929 err_out_res:
2930 if (!is_pcmcia)
2931 release_region( dev->base_addr, 64 );
2932 err_out_nets:
2933 airo_networks_free(ai);
2934 del_airo_dev(ai);
2935 err_out_free:
2936 free_netdev(dev);
2937 return NULL;
2938 }
2939
2940 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2942 {
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2944 }
2945
2946 EXPORT_SYMBOL(init_airo_card);
2947
2948 static int waitbusy (struct airo_info *ai) {
2949 int delay = 0;
2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2951 udelay (10);
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 }
2955 return delay < 10000;
2956 }
2957
2958 int reset_airo_card( struct net_device *dev )
2959 {
2960 int i;
2961 struct airo_info *ai = dev->ml_priv;
2962
2963 if (reset_card (dev, 1))
2964 return -1;
2965
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2967 airo_print_err(dev->name, "MAC could not be enabled");
2968 return -1;
2969 }
2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2975
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2978 return 0;
2979 }
2980
2981 EXPORT_SYMBOL(reset_airo_card);
2982
2983 static void airo_send_event(struct net_device *dev) {
2984 struct airo_info *ai = dev->ml_priv;
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2987
2988 clear_bit(JOB_EVENT, &ai->jobs);
2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 up(&ai->sem);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2998 }
2999
3000 static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3002 BSSListRid bss;
3003 int rc;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3006
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3012 }
3013
3014 /* Try to read the first entry of the scan result */
3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3017 /* No scan results */
3018 goto out;
3019 }
3020
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3029 }
3030
3031 if (tmp_net != NULL) {
3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3035 }
3036
3037 /* Read next entry */
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
3040 }
3041
3042 out:
3043 ai->scan_timeout = 0;
3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3045 up(&ai->sem);
3046
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3057 }
3058
3059 static int airo_thread(void *data) {
3060 struct net_device *dev = data;
3061 struct airo_info *ai = dev->ml_priv;
3062 int locked;
3063
3064 set_freezable();
3065 while(1) {
3066 /* make swsusp happy with our thread */
3067 try_to_freeze();
3068
3069 if (test_bit(JOB_DIE, &ai->jobs))
3070 break;
3071
3072 if (ai->jobs) {
3073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3076
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
3081 if (ai->jobs)
3082 break;
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3091 break;
3092 }
3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
3095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3098 ai->scan_timeout);
3099 } else {
3100 wake_at = min(ai->expires,
3101 ai->scan_timeout);
3102 }
3103 schedule_timeout(wake_at - jiffies);
3104 continue;
3105 }
3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
3108 schedule();
3109 continue;
3110 }
3111 break;
3112 }
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3115 locked = 1;
3116 }
3117
3118 if (locked)
3119 continue;
3120
3121 if (test_bit(JOB_DIE, &ai->jobs)) {
3122 up(&ai->sem);
3123 break;
3124 }
3125
3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3127 up(&ai->sem);
3128 continue;
3129 }
3130
3131 if (test_bit(JOB_XMIT, &ai->jobs))
3132 airo_end_xmit(dev);
3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
3134 airo_end_xmit11(dev);
3135 else if (test_bit(JOB_STATS, &ai->jobs))
3136 airo_read_stats(dev);
3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
3138 airo_read_wireless_stats(ai);
3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
3140 airo_set_promisc(ai);
3141 else if (test_bit(JOB_MIC, &ai->jobs))
3142 micinit(ai);
3143 else if (test_bit(JOB_EVENT, &ai->jobs))
3144 airo_send_event(dev);
3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 timer_func(dev);
3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
3151 }
3152
3153 return 0;
3154 }
3155
3156 static int header_len(__le16 ctl)
3157 {
3158 u16 fc = le16_to_cpu(ctl);
3159 switch (fc & 0xc) {
3160 case 4:
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3164 case 8:
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3167 }
3168 return 24;
3169 }
3170
3171 static void airo_handle_cisco_mic(struct airo_info *ai)
3172 {
3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3176 }
3177 }
3178
3179 /* Airo Status codes */
3180 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC 0x0400 /* Associated */
3190 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191
3192 static void airo_print_status(const char *devname, u16 status)
3193 {
3194 u8 reason = status & 0xFF;
3195
3196 switch (status) {
3197 case STAT_NOBEACON:
3198 airo_print_dbg(devname, "link lost (missed beacons)");
3199 break;
3200 case STAT_MAXRETRIES:
3201 case STAT_MAXARL:
3202 airo_print_dbg(devname, "link lost (max retries)");
3203 break;
3204 case STAT_FORCELOSS:
3205 airo_print_dbg(devname, "link lost (local choice)");
3206 break;
3207 case STAT_TSFSYNC:
3208 airo_print_dbg(devname, "link lost (TSF sync lost)");
3209 break;
3210 case STAT_DEAUTH:
3211 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3212 break;
3213 case STAT_DISASSOC:
3214 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3215 break;
3216 case STAT_ASSOC_FAIL:
3217 airo_print_dbg(devname, "association failed (reason: %d)",
3218 reason);
3219 break;
3220 case STAT_AUTH_FAIL:
3221 airo_print_dbg(devname, "authentication failed (reason: %d)",
3222 reason);
3223 break;
3224 default:
3225 break;
3226 }
3227 }
3228
3229 static void airo_handle_link(struct airo_info *ai)
3230 {
3231 union iwreq_data wrqu;
3232 int scan_forceloss = 0;
3233 u16 status;
3234
3235 /* Get new status and acknowledge the link change */
3236 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3237 OUT4500(ai, EVACK, EV_LINK);
3238
3239 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3240 scan_forceloss = 1;
3241
3242 airo_print_status(ai->dev->name, status);
3243
3244 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3245 if (auto_wep)
3246 ai->expires = 0;
3247 if (ai->list_bss_task)
3248 wake_up_process(ai->list_bss_task);
3249 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3250 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3251
3252 if (down_trylock(&ai->sem) != 0) {
3253 set_bit(JOB_EVENT, &ai->jobs);
3254 wake_up_interruptible(&ai->thr_wait);
3255 } else
3256 airo_send_event(ai->dev);
3257 } else if (!scan_forceloss) {
3258 if (auto_wep && !ai->expires) {
3259 ai->expires = RUN_AT(3*HZ);
3260 wake_up_interruptible(&ai->thr_wait);
3261 }
3262
3263 /* Send event to user space */
3264 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3265 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3266 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3267 }
3268 }
3269
3270 static void airo_handle_rx(struct airo_info *ai)
3271 {
3272 struct sk_buff *skb = NULL;
3273 __le16 fc, v, *buffer, tmpbuf[4];
3274 u16 len, hdrlen = 0, gap, fid;
3275 struct rx_hdr hdr;
3276 int success = 0;
3277
3278 if (test_bit(FLAG_MPI, &ai->flags)) {
3279 if (test_bit(FLAG_802_11, &ai->flags))
3280 mpi_receive_802_11(ai);
3281 else
3282 mpi_receive_802_3(ai);
3283 OUT4500(ai, EVACK, EV_RX);
3284 return;
3285 }
3286
3287 fid = IN4500(ai, RXFID);
3288
3289 /* Get the packet length */
3290 if (test_bit(FLAG_802_11, &ai->flags)) {
3291 bap_setup (ai, fid, 4, BAP0);
3292 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3293 /* Bad CRC. Ignore packet */
3294 if (le16_to_cpu(hdr.status) & 2)
3295 hdr.len = 0;
3296 if (ai->wifidev == NULL)
3297 hdr.len = 0;
3298 } else {
3299 bap_setup(ai, fid, 0x36, BAP0);
3300 bap_read(ai, &hdr.len, 2, BAP0);
3301 }
3302 len = le16_to_cpu(hdr.len);
3303
3304 if (len > AIRO_DEF_MTU) {
3305 airo_print_err(ai->dev->name, "Bad size %d", len);
3306 goto done;
3307 }
3308 if (len == 0)
3309 goto done;
3310
3311 if (test_bit(FLAG_802_11, &ai->flags)) {
3312 bap_read(ai, &fc, sizeof (fc), BAP0);
3313 hdrlen = header_len(fc);
3314 } else
3315 hdrlen = ETH_ALEN * 2;
3316
3317 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3318 if (!skb) {
3319 ai->dev->stats.rx_dropped++;
3320 goto done;
3321 }
3322
3323 skb_reserve(skb, 2); /* This way the IP header is aligned */
3324 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3325 if (test_bit(FLAG_802_11, &ai->flags)) {
3326 buffer[0] = fc;
3327 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3328 if (hdrlen == 24)
3329 bap_read(ai, tmpbuf, 6, BAP0);
3330
3331 bap_read(ai, &v, sizeof(v), BAP0);
3332 gap = le16_to_cpu(v);
3333 if (gap) {
3334 if (gap <= 8) {
3335 bap_read(ai, tmpbuf, gap, BAP0);
3336 } else {
3337 airo_print_err(ai->dev->name, "gaplen too "
3338 "big. Problems will follow...");
3339 }
3340 }
3341 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3342 } else {
3343 MICBuffer micbuf;
3344
3345 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3346 if (ai->micstats.enabled) {
3347 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3348 if (ntohs(micbuf.typelen) > 0x05DC)
3349 bap_setup(ai, fid, 0x44, BAP0);
3350 else {
3351 if (len <= sizeof (micbuf)) {
3352 dev_kfree_skb_irq(skb);
3353 goto done;
3354 }
3355
3356 len -= sizeof(micbuf);
3357 skb_trim(skb, len + hdrlen);
3358 }
3359 }
3360
3361 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3362 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3363 dev_kfree_skb_irq (skb);
3364 else
3365 success = 1;
3366 }
3367
3368 #ifdef WIRELESS_SPY
3369 if (success && (ai->spy_data.spy_number > 0)) {
3370 char *sa;
3371 struct iw_quality wstats;
3372
3373 /* Prepare spy data : addr + qual */
3374 if (!test_bit(FLAG_802_11, &ai->flags)) {
3375 sa = (char *) buffer + 6;
3376 bap_setup(ai, fid, 8, BAP0);
3377 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3378 } else
3379 sa = (char *) buffer + 10;
3380 wstats.qual = hdr.rssi[0];
3381 if (ai->rssi)
3382 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3383 else
3384 wstats.level = (hdr.rssi[1] + 321) / 2;
3385 wstats.noise = ai->wstats.qual.noise;
3386 wstats.updated = IW_QUAL_LEVEL_UPDATED
3387 | IW_QUAL_QUAL_UPDATED
3388 | IW_QUAL_DBM;
3389 /* Update spy records */
3390 wireless_spy_update(ai->dev, sa, &wstats);
3391 }
3392 #endif /* WIRELESS_SPY */
3393
3394 done:
3395 OUT4500(ai, EVACK, EV_RX);
3396
3397 if (success) {
3398 if (test_bit(FLAG_802_11, &ai->flags)) {
3399 skb_reset_mac_header(skb);
3400 skb->pkt_type = PACKET_OTHERHOST;
3401 skb->dev = ai->wifidev;
3402 skb->protocol = htons(ETH_P_802_2);
3403 } else
3404 skb->protocol = eth_type_trans(skb, ai->dev);
3405 skb->ip_summed = CHECKSUM_NONE;
3406
3407 netif_rx(skb);
3408 }
3409 }
3410
3411 static void airo_handle_tx(struct airo_info *ai, u16 status)
3412 {
3413 int i, len = 0, index = -1;
3414 u16 fid;
3415
3416 if (test_bit(FLAG_MPI, &ai->flags)) {
3417 unsigned long flags;
3418
3419 if (status & EV_TXEXC)
3420 get_tx_error(ai, -1);
3421
3422 spin_lock_irqsave(&ai->aux_lock, flags);
3423 if (!skb_queue_empty(&ai->txq)) {
3424 spin_unlock_irqrestore(&ai->aux_lock,flags);
3425 mpi_send_packet(ai->dev);
3426 } else {
3427 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3428 spin_unlock_irqrestore(&ai->aux_lock,flags);
3429 netif_wake_queue(ai->dev);
3430 }
3431 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3432 return;
3433 }
3434
3435 fid = IN4500(ai, TXCOMPLFID);
3436
3437 for(i = 0; i < MAX_FIDS; i++) {
3438 if ((ai->fids[i] & 0xffff) == fid) {
3439 len = ai->fids[i] >> 16;
3440 index = i;
3441 }
3442 }
3443
3444 if (index != -1) {
3445 if (status & EV_TXEXC)
3446 get_tx_error(ai, index);
3447
3448 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3449
3450 /* Set up to be used again */
3451 ai->fids[index] &= 0xffff;
3452 if (index < MAX_FIDS / 2) {
3453 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3454 netif_wake_queue(ai->dev);
3455 } else {
3456 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3457 netif_wake_queue(ai->wifidev);
3458 }
3459 } else {
3460 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3461 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3462 }
3463 }
3464
3465 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3466 {
3467 struct net_device *dev = dev_id;
3468 u16 status, savedInterrupts = 0;
3469 struct airo_info *ai = dev->ml_priv;
3470 int handled = 0;
3471
3472 if (!netif_device_present(dev))
3473 return IRQ_NONE;
3474
3475 for (;;) {
3476 status = IN4500(ai, EVSTAT);
3477 if (!(status & STATUS_INTS) || (status == 0xffff))
3478 break;
3479
3480 handled = 1;
3481
3482 if (status & EV_AWAKE) {
3483 OUT4500(ai, EVACK, EV_AWAKE);
3484 OUT4500(ai, EVACK, EV_AWAKE);
3485 }
3486
3487 if (!savedInterrupts) {
3488 savedInterrupts = IN4500(ai, EVINTEN);
3489 OUT4500(ai, EVINTEN, 0);
3490 }
3491
3492 if (status & EV_MIC) {
3493 OUT4500(ai, EVACK, EV_MIC);
3494 airo_handle_cisco_mic(ai);
3495 }
3496
3497 if (status & EV_LINK) {
3498 /* Link status changed */
3499 airo_handle_link(ai);
3500 }
3501
3502 /* Check to see if there is something to receive */
3503 if (status & EV_RX)
3504 airo_handle_rx(ai);
3505
3506 /* Check to see if a packet has been transmitted */
3507 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3508 airo_handle_tx(ai, status);
3509
3510 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3511 airo_print_warn(ai->dev->name, "Got weird status %x",
3512 status & ~STATUS_INTS & ~IGNORE_INTS );
3513 }
3514 }
3515
3516 if (savedInterrupts)
3517 OUT4500(ai, EVINTEN, savedInterrupts);
3518
3519 return IRQ_RETVAL(handled);
3520 }
3521
3522 /*
3523 * Routines to talk to the card
3524 */
3525
3526 /*
3527 * This was originally written for the 4500, hence the name
3528 * NOTE: If use with 8bit mode and SMP bad things will happen!
3529 * Why would some one do 8 bit IO in an SMP machine?!?
3530 */
3531 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3532 if (test_bit(FLAG_MPI,&ai->flags))
3533 reg <<= 1;
3534 if ( !do8bitIO )
3535 outw( val, ai->dev->base_addr + reg );
3536 else {
3537 outb( val & 0xff, ai->dev->base_addr + reg );
3538 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3539 }
3540 }
3541
3542 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3543 unsigned short rc;
3544
3545 if (test_bit(FLAG_MPI,&ai->flags))
3546 reg <<= 1;
3547 if ( !do8bitIO )
3548 rc = inw( ai->dev->base_addr + reg );
3549 else {
3550 rc = inb( ai->dev->base_addr + reg );
3551 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3552 }
3553 return rc;
3554 }
3555
3556 static int enable_MAC(struct airo_info *ai, int lock)
3557 {
3558 int rc;
3559 Cmd cmd;
3560 Resp rsp;
3561
3562 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3563 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3564 * Note : we could try to use !netif_running(dev) in enable_MAC()
3565 * instead of this flag, but I don't trust it *within* the
3566 * open/close functions, and testing both flags together is
3567 * "cheaper" - Jean II */
3568 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3569
3570 if (lock && down_interruptible(&ai->sem))
3571 return -ERESTARTSYS;
3572
3573 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3574 memset(&cmd, 0, sizeof(cmd));
3575 cmd.cmd = MAC_ENABLE;
3576 rc = issuecommand(ai, &cmd, &rsp);
3577 if (rc == SUCCESS)
3578 set_bit(FLAG_ENABLED, &ai->flags);
3579 } else
3580 rc = SUCCESS;
3581
3582 if (lock)
3583 up(&ai->sem);
3584
3585 if (rc)
3586 airo_print_err(ai->dev->name, "Cannot enable MAC");
3587 else if ((rsp.status & 0xFF00) != 0) {
3588 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3589 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3590 rc = ERROR;
3591 }
3592 return rc;
3593 }
3594
3595 static void disable_MAC( struct airo_info *ai, int lock ) {
3596 Cmd cmd;
3597 Resp rsp;
3598
3599 if (lock && down_interruptible(&ai->sem))
3600 return;
3601
3602 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3603 memset(&cmd, 0, sizeof(cmd));
3604 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3605 issuecommand(ai, &cmd, &rsp);
3606 clear_bit(FLAG_ENABLED, &ai->flags);
3607 }
3608 if (lock)
3609 up(&ai->sem);
3610 }
3611
3612 static void enable_interrupts( struct airo_info *ai ) {
3613 /* Enable the interrupts */
3614 OUT4500( ai, EVINTEN, STATUS_INTS );
3615 }
3616
3617 static void disable_interrupts( struct airo_info *ai ) {
3618 OUT4500( ai, EVINTEN, 0 );
3619 }
3620
3621 static void mpi_receive_802_3(struct airo_info *ai)
3622 {
3623 RxFid rxd;
3624 int len = 0;
3625 struct sk_buff *skb;
3626 char *buffer;
3627 int off = 0;
3628 MICBuffer micbuf;
3629
3630 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3631 /* Make sure we got something */
3632 if (rxd.rdy && rxd.valid == 0) {
3633 len = rxd.len + 12;
3634 if (len < 12 || len > 2048)
3635 goto badrx;
3636
3637 skb = dev_alloc_skb(len);
3638 if (!skb) {
3639 ai->dev->stats.rx_dropped++;
3640 goto badrx;
3641 }
3642 buffer = skb_put(skb,len);
3643 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3644 if (ai->micstats.enabled) {
3645 memcpy(&micbuf,
3646 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3647 sizeof(micbuf));
3648 if (ntohs(micbuf.typelen) <= 0x05DC) {
3649 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3650 goto badmic;
3651
3652 off = sizeof(micbuf);
3653 skb_trim (skb, len - off);
3654 }
3655 }
3656 memcpy(buffer + ETH_ALEN * 2,
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3658 len - ETH_ALEN * 2 - off);
3659 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3660 badmic:
3661 dev_kfree_skb_irq (skb);
3662 goto badrx;
3663 }
3664 #ifdef WIRELESS_SPY
3665 if (ai->spy_data.spy_number > 0) {
3666 char *sa;
3667 struct iw_quality wstats;
3668 /* Prepare spy data : addr + qual */
3669 sa = buffer + ETH_ALEN;
3670 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3671 wstats.level = 0;
3672 wstats.updated = 0;
3673 /* Update spy records */
3674 wireless_spy_update(ai->dev, sa, &wstats);
3675 }
3676 #endif /* WIRELESS_SPY */
3677
3678 skb->ip_summed = CHECKSUM_NONE;
3679 skb->protocol = eth_type_trans(skb, ai->dev);
3680 netif_rx(skb);
3681 }
3682 badrx:
3683 if (rxd.valid == 0) {
3684 rxd.valid = 1;
3685 rxd.rdy = 0;
3686 rxd.len = PKTSIZE;
3687 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3688 }
3689 }
3690
3691 static void mpi_receive_802_11(struct airo_info *ai)
3692 {
3693 RxFid rxd;
3694 struct sk_buff *skb = NULL;
3695 u16 len, hdrlen = 0;
3696 __le16 fc;
3697 struct rx_hdr hdr;
3698 u16 gap;
3699 u16 *buffer;
3700 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3701
3702 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3703 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3704 ptr += sizeof(hdr);
3705 /* Bad CRC. Ignore packet */
3706 if (le16_to_cpu(hdr.status) & 2)
3707 hdr.len = 0;
3708 if (ai->wifidev == NULL)
3709 hdr.len = 0;
3710 len = le16_to_cpu(hdr.len);
3711 if (len > AIRO_DEF_MTU) {
3712 airo_print_err(ai->dev->name, "Bad size %d", len);
3713 goto badrx;
3714 }
3715 if (len == 0)
3716 goto badrx;
3717
3718 fc = get_unaligned((__le16 *)ptr);
3719 hdrlen = header_len(fc);
3720
3721 skb = dev_alloc_skb( len + hdrlen + 2 );
3722 if ( !skb ) {
3723 ai->dev->stats.rx_dropped++;
3724 goto badrx;
3725 }
3726 buffer = (u16*)skb_put (skb, len + hdrlen);
3727 memcpy ((char *)buffer, ptr, hdrlen);
3728 ptr += hdrlen;
3729 if (hdrlen == 24)
3730 ptr += 6;
3731 gap = get_unaligned_le16(ptr);
3732 ptr += sizeof(__le16);
3733 if (gap) {
3734 if (gap <= 8)
3735 ptr += gap;
3736 else
3737 airo_print_err(ai->dev->name,
3738 "gaplen too big. Problems will follow...");
3739 }
3740 memcpy ((char *)buffer + hdrlen, ptr, len);
3741 ptr += len;
3742 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3743 if (ai->spy_data.spy_number > 0) {
3744 char *sa;
3745 struct iw_quality wstats;
3746 /* Prepare spy data : addr + qual */
3747 sa = (char*)buffer + 10;
3748 wstats.qual = hdr.rssi[0];
3749 if (ai->rssi)
3750 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3751 else
3752 wstats.level = (hdr.rssi[1] + 321) / 2;
3753 wstats.noise = ai->wstats.qual.noise;
3754 wstats.updated = IW_QUAL_QUAL_UPDATED
3755 | IW_QUAL_LEVEL_UPDATED
3756 | IW_QUAL_DBM;
3757 /* Update spy records */
3758 wireless_spy_update(ai->dev, sa, &wstats);
3759 }
3760 #endif /* IW_WIRELESS_SPY */
3761 skb_reset_mac_header(skb);
3762 skb->pkt_type = PACKET_OTHERHOST;
3763 skb->dev = ai->wifidev;
3764 skb->protocol = htons(ETH_P_802_2);
3765 skb->ip_summed = CHECKSUM_NONE;
3766 netif_rx( skb );
3767
3768 badrx:
3769 if (rxd.valid == 0) {
3770 rxd.valid = 1;
3771 rxd.rdy = 0;
3772 rxd.len = PKTSIZE;
3773 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3774 }
3775 }
3776
3777 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3778 {
3779 Cmd cmd;
3780 Resp rsp;
3781 int status;
3782 SsidRid mySsid;
3783 __le16 lastindex;
3784 WepKeyRid wkr;
3785 int rc;
3786
3787 memset( &mySsid, 0, sizeof( mySsid ) );
3788 kfree (ai->flash);
3789 ai->flash = NULL;
3790
3791 /* The NOP is the first step in getting the card going */
3792 cmd.cmd = NOP;
3793 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3794 if (lock && down_interruptible(&ai->sem))
3795 return ERROR;
3796 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3797 if (lock)
3798 up(&ai->sem);
3799 return ERROR;
3800 }
3801 disable_MAC( ai, 0);
3802
3803 // Let's figure out if we need to use the AUX port
3804 if (!test_bit(FLAG_MPI,&ai->flags)) {
3805 cmd.cmd = CMD_ENABLEAUX;
3806 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3807 if (lock)
3808 up(&ai->sem);
3809 airo_print_err(ai->dev->name, "Error checking for AUX port");
3810 return ERROR;
3811 }
3812 if (!aux_bap || rsp.status & 0xff00) {
3813 ai->bap_read = fast_bap_read;
3814 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3815 } else {
3816 ai->bap_read = aux_bap_read;
3817 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3818 }
3819 }
3820 if (lock)
3821 up(&ai->sem);
3822 if (ai->config.len == 0) {
3823 int i;
3824 tdsRssiRid rssi_rid;
3825 CapabilityRid cap_rid;
3826
3827 kfree(ai->APList);
3828 ai->APList = NULL;
3829 kfree(ai->SSID);
3830 ai->SSID = NULL;
3831 // general configuration (read/modify/write)
3832 status = readConfigRid(ai, lock);
3833 if ( status != SUCCESS ) return ERROR;
3834
3835 status = readCapabilityRid(ai, &cap_rid, lock);
3836 if ( status != SUCCESS ) return ERROR;
3837
3838 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3839 if ( status == SUCCESS ) {
3840 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3841 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3842 }
3843 else {
3844 kfree(ai->rssi);
3845 ai->rssi = NULL;
3846 if (cap_rid.softCap & cpu_to_le16(8))
3847 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3848 else
3849 airo_print_warn(ai->dev->name, "unknown received signal "
3850 "level scale");
3851 }
3852 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3853 ai->config.authType = AUTH_OPEN;
3854 ai->config.modulation = MOD_CCK;
3855
3856 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3857 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3858 micsetup(ai) == SUCCESS) {
3859 ai->config.opmode |= MODE_MIC;
3860 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3861 }
3862
3863 /* Save off the MAC */
3864 for( i = 0; i < ETH_ALEN; i++ ) {
3865 mac[i] = ai->config.macAddr[i];
3866 }
3867
3868 /* Check to see if there are any insmod configured
3869 rates to add */
3870 if ( rates[0] ) {
3871 memset(ai->config.rates,0,sizeof(ai->config.rates));
3872 for( i = 0; i < 8 && rates[i]; i++ ) {
3873 ai->config.rates[i] = rates[i];
3874 }
3875 }
3876 if ( basic_rate > 0 ) {
3877 for( i = 0; i < 8; i++ ) {
3878 if ( ai->config.rates[i] == basic_rate ||
3879 !ai->config.rates ) {
3880 ai->config.rates[i] = basic_rate | 0x80;
3881 break;
3882 }
3883 }
3884 }
3885 set_bit (FLAG_COMMIT, &ai->flags);
3886 }
3887
3888 /* Setup the SSIDs if present */
3889 if ( ssids[0] ) {
3890 int i;
3891 for( i = 0; i < 3 && ssids[i]; i++ ) {
3892 size_t len = strlen(ssids[i]);
3893 if (len > 32)
3894 len = 32;
3895 mySsid.ssids[i].len = cpu_to_le16(len);
3896 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3897 }
3898 mySsid.len = cpu_to_le16(sizeof(mySsid));
3899 }
3900
3901 status = writeConfigRid(ai, lock);
3902 if ( status != SUCCESS ) return ERROR;
3903
3904 /* Set up the SSID list */
3905 if ( ssids[0] ) {
3906 status = writeSsidRid(ai, &mySsid, lock);
3907 if ( status != SUCCESS ) return ERROR;
3908 }
3909
3910 status = enable_MAC(ai, lock);
3911 if (status != SUCCESS)
3912 return ERROR;
3913
3914 /* Grab the initial wep key, we gotta save it for auto_wep */
3915 rc = readWepKeyRid(ai, &wkr, 1, lock);
3916 if (rc == SUCCESS) do {
3917 lastindex = wkr.kindex;
3918 if (wkr.kindex == cpu_to_le16(0xffff)) {
3919 ai->defindex = wkr.mac[0];
3920 }
3921 rc = readWepKeyRid(ai, &wkr, 0, lock);
3922 } while(lastindex != wkr.kindex);
3923
3924 try_auto_wep(ai);
3925
3926 return SUCCESS;
3927 }
3928
3929 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3930 // Im really paranoid about letting it run forever!
3931 int max_tries = 600000;
3932
3933 if (IN4500(ai, EVSTAT) & EV_CMD)
3934 OUT4500(ai, EVACK, EV_CMD);
3935
3936 OUT4500(ai, PARAM0, pCmd->parm0);
3937 OUT4500(ai, PARAM1, pCmd->parm1);
3938 OUT4500(ai, PARAM2, pCmd->parm2);
3939 OUT4500(ai, COMMAND, pCmd->cmd);
3940
3941 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3942 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3943 // PC4500 didn't notice command, try again
3944 OUT4500(ai, COMMAND, pCmd->cmd);
3945 if (!in_atomic() && (max_tries & 255) == 0)
3946 schedule();
3947 }
3948
3949 if ( max_tries == -1 ) {
3950 airo_print_err(ai->dev->name,
3951 "Max tries exceeded when issueing command");
3952 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3954 return ERROR;
3955 }
3956
3957 // command completed
3958 pRsp->status = IN4500(ai, STATUS);
3959 pRsp->rsp0 = IN4500(ai, RESP0);
3960 pRsp->rsp1 = IN4500(ai, RESP1);
3961 pRsp->rsp2 = IN4500(ai, RESP2);
3962 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3963 airo_print_err(ai->dev->name,
3964 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3965 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3966 pRsp->rsp2);
3967
3968 // clear stuck command busy if necessary
3969 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3970 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3971 }
3972 // acknowledge processing the status/response
3973 OUT4500(ai, EVACK, EV_CMD);
3974
3975 return SUCCESS;
3976 }
3977
3978 /* Sets up the bap to start exchange data. whichbap should
3979 * be one of the BAP0 or BAP1 defines. Locks should be held before
3980 * calling! */
3981 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3982 {
3983 int timeout = 50;
3984 int max_tries = 3;
3985
3986 OUT4500(ai, SELECT0+whichbap, rid);
3987 OUT4500(ai, OFFSET0+whichbap, offset);
3988 while (1) {
3989 int status = IN4500(ai, OFFSET0+whichbap);
3990 if (status & BAP_BUSY) {
3991 /* This isn't really a timeout, but its kinda
3992 close */
3993 if (timeout--) {
3994 continue;
3995 }
3996 } else if ( status & BAP_ERR ) {
3997 /* invalid rid or offset */
3998 airo_print_err(ai->dev->name, "BAP error %x %d",
3999 status, whichbap );
4000 return ERROR;
4001 } else if (status & BAP_DONE) { // success
4002 return SUCCESS;
4003 }
4004 if ( !(max_tries--) ) {
4005 airo_print_err(ai->dev->name,
4006 "BAP setup error too many retries\n");
4007 return ERROR;
4008 }
4009 // -- PC4500 missed it, try again
4010 OUT4500(ai, SELECT0+whichbap, rid);
4011 OUT4500(ai, OFFSET0+whichbap, offset);
4012 timeout = 50;
4013 }
4014 }
4015
4016 /* should only be called by aux_bap_read. This aux function and the
4017 following use concepts not documented in the developers guide. I
4018 got them from a patch given to my by Aironet */
4019 static u16 aux_setup(struct airo_info *ai, u16 page,
4020 u16 offset, u16 *len)
4021 {
4022 u16 next;
4023
4024 OUT4500(ai, AUXPAGE, page);
4025 OUT4500(ai, AUXOFF, 0);
4026 next = IN4500(ai, AUXDATA);
4027 *len = IN4500(ai, AUXDATA)&0xff;
4028 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4029 return next;
4030 }
4031
4032 /* requires call to bap_setup() first */
4033 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4034 int bytelen, int whichbap)
4035 {
4036 u16 len;
4037 u16 page;
4038 u16 offset;
4039 u16 next;
4040 int words;
4041 int i;
4042 unsigned long flags;
4043
4044 spin_lock_irqsave(&ai->aux_lock, flags);
4045 page = IN4500(ai, SWS0+whichbap);
4046 offset = IN4500(ai, SWS2+whichbap);
4047 next = aux_setup(ai, page, offset, &len);
4048 words = (bytelen+1)>>1;
4049
4050 for (i=0; i<words;) {
4051 int count;
4052 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4053 if ( !do8bitIO )
4054 insw( ai->dev->base_addr+DATA0+whichbap,
4055 pu16Dst+i,count );
4056 else
4057 insb( ai->dev->base_addr+DATA0+whichbap,
4058 pu16Dst+i, count << 1 );
4059 i += count;
4060 if (i<words) {
4061 next = aux_setup(ai, next, 4, &len);
4062 }
4063 }
4064 spin_unlock_irqrestore(&ai->aux_lock, flags);
4065 return SUCCESS;
4066 }
4067
4068
4069 /* requires call to bap_setup() first */
4070 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4071 int bytelen, int whichbap)
4072 {
4073 bytelen = (bytelen + 1) & (~1); // round up to even value
4074 if ( !do8bitIO )
4075 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4076 else
4077 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4078 return SUCCESS;
4079 }
4080
4081 /* requires call to bap_setup() first */
4082 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4083 int bytelen, int whichbap)
4084 {
4085 bytelen = (bytelen + 1) & (~1); // round up to even value
4086 if ( !do8bitIO )
4087 outsw( ai->dev->base_addr+DATA0+whichbap,
4088 pu16Src, bytelen>>1 );
4089 else
4090 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4091 return SUCCESS;
4092 }
4093
4094 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4095 {
4096 Cmd cmd; /* for issuing commands */
4097 Resp rsp; /* response from commands */
4098 u16 status;
4099
4100 memset(&cmd, 0, sizeof(cmd));
4101 cmd.cmd = accmd;
4102 cmd.parm0 = rid;
4103 status = issuecommand(ai, &cmd, &rsp);
4104 if (status != 0) return status;
4105 if ( (rsp.status & 0x7F00) != 0) {
4106 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4107 }
4108 return 0;
4109 }
4110
4111 /* Note, that we are using BAP1 which is also used by transmit, so
4112 * we must get a lock. */
4113 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4114 {
4115 u16 status;
4116 int rc = SUCCESS;
4117
4118 if (lock) {
4119 if (down_interruptible(&ai->sem))
4120 return ERROR;
4121 }
4122 if (test_bit(FLAG_MPI,&ai->flags)) {
4123 Cmd cmd;
4124 Resp rsp;
4125
4126 memset(&cmd, 0, sizeof(cmd));
4127 memset(&rsp, 0, sizeof(rsp));
4128 ai->config_desc.rid_desc.valid = 1;
4129 ai->config_desc.rid_desc.len = RIDSIZE;
4130 ai->config_desc.rid_desc.rid = 0;
4131 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4132
4133 cmd.cmd = CMD_ACCESS;
4134 cmd.parm0 = rid;
4135
4136 memcpy_toio(ai->config_desc.card_ram_off,
4137 &ai->config_desc.rid_desc, sizeof(Rid));
4138
4139 rc = issuecommand(ai, &cmd, &rsp);
4140
4141 if (rsp.status & 0x7f00)
4142 rc = rsp.rsp0;
4143 if (!rc)
4144 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4145 goto done;
4146 } else {
4147 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4148 rc = status;
4149 goto done;
4150 }
4151 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4152 rc = ERROR;
4153 goto done;
4154 }
4155 // read the rid length field
4156 bap_read(ai, pBuf, 2, BAP1);
4157 // length for remaining part of rid
4158 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4159
4160 if ( len <= 2 ) {
4161 airo_print_err(ai->dev->name,
4162 "Rid %x has a length of %d which is too short",
4163 (int)rid, (int)len );
4164 rc = ERROR;
4165 goto done;
4166 }
4167 // read remainder of the rid
4168 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4169 }
4170 done:
4171 if (lock)
4172 up(&ai->sem);
4173 return rc;
4174 }
4175
4176 /* Note, that we are using BAP1 which is also used by transmit, so
4177 * make sure this isnt called when a transmit is happening */
4178 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4179 const void *pBuf, int len, int lock)
4180 {
4181 u16 status;
4182 int rc = SUCCESS;
4183
4184 *(__le16*)pBuf = cpu_to_le16((u16)len);
4185
4186 if (lock) {
4187 if (down_interruptible(&ai->sem))
4188 return ERROR;
4189 }
4190 if (test_bit(FLAG_MPI,&ai->flags)) {
4191 Cmd cmd;
4192 Resp rsp;
4193
4194 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4195 airo_print_err(ai->dev->name,
4196 "%s: MAC should be disabled (rid=%04x)",
4197 __func__, rid);
4198 memset(&cmd, 0, sizeof(cmd));
4199 memset(&rsp, 0, sizeof(rsp));
4200
4201 ai->config_desc.rid_desc.valid = 1;
4202 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4203 ai->config_desc.rid_desc.rid = 0;
4204
4205 cmd.cmd = CMD_WRITERID;
4206 cmd.parm0 = rid;
4207
4208 memcpy_toio(ai->config_desc.card_ram_off,
4209 &ai->config_desc.rid_desc, sizeof(Rid));
4210
4211 if (len < 4 || len > 2047) {
4212 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4213 rc = -1;
4214 } else {
4215 memcpy((char *)ai->config_desc.virtual_host_addr,
4216 pBuf, len);
4217
4218 rc = issuecommand(ai, &cmd, &rsp);
4219 if ((rc & 0xff00) != 0) {
4220 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4221 __func__, rc);
4222 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4223 __func__, cmd.cmd);
4224 }
4225
4226 if ((rsp.status & 0x7f00))
4227 rc = rsp.rsp0;
4228 }
4229 } else {
4230 // --- first access so that we can write the rid data
4231 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4232 rc = status;
4233 goto done;
4234 }
4235 // --- now write the rid data
4236 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4237 rc = ERROR;
4238 goto done;
4239 }
4240 bap_write(ai, pBuf, len, BAP1);
4241 // ---now commit the rid data
4242 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4243 }
4244 done:
4245 if (lock)
4246 up(&ai->sem);
4247 return rc;
4248 }
4249
4250 /* Allocates a FID to be used for transmitting packets. We only use
4251 one for now. */
4252 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4253 {
4254 unsigned int loop = 3000;
4255 Cmd cmd;
4256 Resp rsp;
4257 u16 txFid;
4258 __le16 txControl;
4259
4260 cmd.cmd = CMD_ALLOCATETX;
4261 cmd.parm0 = lenPayload;
4262 if (down_interruptible(&ai->sem))
4263 return ERROR;
4264 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4265 txFid = ERROR;
4266 goto done;
4267 }
4268 if ( (rsp.status & 0xFF00) != 0) {
4269 txFid = ERROR;
4270 goto done;
4271 }
4272 /* wait for the allocate event/indication
4273 * It makes me kind of nervous that this can just sit here and spin,
4274 * but in practice it only loops like four times. */
4275 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4276 if (!loop) {
4277 txFid = ERROR;
4278 goto done;
4279 }
4280
4281 // get the allocated fid and acknowledge
4282 txFid = IN4500(ai, TXALLOCFID);
4283 OUT4500(ai, EVACK, EV_ALLOC);
4284
4285 /* The CARD is pretty cool since it converts the ethernet packet
4286 * into 802.11. Also note that we don't release the FID since we
4287 * will be using the same one over and over again. */
4288 /* We only have to setup the control once since we are not
4289 * releasing the fid. */
4290 if (raw)
4291 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4292 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4293 else
4294 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4295 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4296 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4297 txFid = ERROR;
4298 else
4299 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4300
4301 done:
4302 up(&ai->sem);
4303
4304 return txFid;
4305 }
4306
4307 /* In general BAP1 is dedicated to transmiting packets. However,
4308 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4309 Make sure the BAP1 spinlock is held when this is called. */
4310 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4311 {
4312 __le16 payloadLen;
4313 Cmd cmd;
4314 Resp rsp;
4315 int miclen = 0;
4316 u16 txFid = len;
4317 MICBuffer pMic;
4318
4319 len >>= 16;
4320
4321 if (len <= ETH_ALEN * 2) {
4322 airo_print_warn(ai->dev->name, "Short packet %d", len);
4323 return ERROR;
4324 }
4325 len -= ETH_ALEN * 2;
4326
4327 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4328 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4329 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4330 return ERROR;
4331 miclen = sizeof(pMic);
4332 }
4333 // packet is destination[6], source[6], payload[len-12]
4334 // write the payload length and dst/src/payload
4335 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4336 /* The hardware addresses aren't counted as part of the payload, so
4337 * we have to subtract the 12 bytes for the addresses off */
4338 payloadLen = cpu_to_le16(len + miclen);
4339 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4340 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4341 if (miclen)
4342 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4343 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4344 // issue the transmit command
4345 memset( &cmd, 0, sizeof( cmd ) );
4346 cmd.cmd = CMD_TRANSMIT;
4347 cmd.parm0 = txFid;
4348 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4349 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4350 return SUCCESS;
4351 }
4352
4353 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4354 {
4355 __le16 fc, payloadLen;
4356 Cmd cmd;
4357 Resp rsp;
4358 int hdrlen;
4359 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4360 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4361 u16 txFid = len;
4362 len >>= 16;
4363
4364 fc = *(__le16*)pPacket;
4365 hdrlen = header_len(fc);
4366
4367 if (len < hdrlen) {
4368 airo_print_warn(ai->dev->name, "Short packet %d", len);
4369 return ERROR;
4370 }
4371
4372 /* packet is 802.11 header + payload
4373 * write the payload length and dst/src/payload */
4374 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4375 /* The 802.11 header aren't counted as part of the payload, so
4376 * we have to subtract the header bytes off */
4377 payloadLen = cpu_to_le16(len-hdrlen);
4378 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4379 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4380 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4381 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4382
4383 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4384 // issue the transmit command
4385 memset( &cmd, 0, sizeof( cmd ) );
4386 cmd.cmd = CMD_TRANSMIT;
4387 cmd.parm0 = txFid;
4388 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4389 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4390 return SUCCESS;
4391 }
4392
4393 /*
4394 * This is the proc_fs routines. It is a bit messier than I would
4395 * like! Feel free to clean it up!
4396 */
4397
4398 static ssize_t proc_read( struct file *file,
4399 char __user *buffer,
4400 size_t len,
4401 loff_t *offset);
4402
4403 static ssize_t proc_write( struct file *file,
4404 const char __user *buffer,
4405 size_t len,
4406 loff_t *offset );
4407 static int proc_close( struct inode *inode, struct file *file );
4408
4409 static int proc_stats_open( struct inode *inode, struct file *file );
4410 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4411 static int proc_status_open( struct inode *inode, struct file *file );
4412 static int proc_SSID_open( struct inode *inode, struct file *file );
4413 static int proc_APList_open( struct inode *inode, struct file *file );
4414 static int proc_BSSList_open( struct inode *inode, struct file *file );
4415 static int proc_config_open( struct inode *inode, struct file *file );
4416 static int proc_wepkey_open( struct inode *inode, struct file *file );
4417
4418 static const struct file_operations proc_statsdelta_ops = {
4419 .owner = THIS_MODULE,
4420 .read = proc_read,
4421 .open = proc_statsdelta_open,
4422 .release = proc_close
4423 };
4424
4425 static const struct file_operations proc_stats_ops = {
4426 .owner = THIS_MODULE,
4427 .read = proc_read,
4428 .open = proc_stats_open,
4429 .release = proc_close
4430 };
4431
4432 static const struct file_operations proc_status_ops = {
4433 .owner = THIS_MODULE,
4434 .read = proc_read,
4435 .open = proc_status_open,
4436 .release = proc_close
4437 };
4438
4439 static const struct file_operations proc_SSID_ops = {
4440 .owner = THIS_MODULE,
4441 .read = proc_read,
4442 .write = proc_write,
4443 .open = proc_SSID_open,
4444 .release = proc_close
4445 };
4446
4447 static const struct file_operations proc_BSSList_ops = {
4448 .owner = THIS_MODULE,
4449 .read = proc_read,
4450 .write = proc_write,
4451 .open = proc_BSSList_open,
4452 .release = proc_close
4453 };
4454
4455 static const struct file_operations proc_APList_ops = {
4456 .owner = THIS_MODULE,
4457 .read = proc_read,
4458 .write = proc_write,
4459 .open = proc_APList_open,
4460 .release = proc_close
4461 };
4462
4463 static const struct file_operations proc_config_ops = {
4464 .owner = THIS_MODULE,
4465 .read = proc_read,
4466 .write = proc_write,
4467 .open = proc_config_open,
4468 .release = proc_close
4469 };
4470
4471 static const struct file_operations proc_wepkey_ops = {
4472 .owner = THIS_MODULE,
4473 .read = proc_read,
4474 .write = proc_write,
4475 .open = proc_wepkey_open,
4476 .release = proc_close
4477 };
4478
4479 static struct proc_dir_entry *airo_entry;
4480
4481 struct proc_data {
4482 int release_buffer;
4483 int readlen;
4484 char *rbuffer;
4485 int writelen;
4486 int maxwritelen;
4487 char *wbuffer;
4488 void (*on_close) (struct inode *, struct file *);
4489 };
4490
4491 static int setup_proc_entry( struct net_device *dev,
4492 struct airo_info *apriv ) {
4493 struct proc_dir_entry *entry;
4494 /* First setup the device directory */
4495 strcpy(apriv->proc_name,dev->name);
4496 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4497 S_IFDIR|airo_perm,
4498 airo_entry);
4499 if (!apriv->proc_entry)
4500 goto fail;
4501 apriv->proc_entry->uid = proc_uid;
4502 apriv->proc_entry->gid = proc_gid;
4503
4504 /* Setup the StatsDelta */
4505 entry = proc_create_data("StatsDelta",
4506 S_IFREG | (S_IRUGO&proc_perm),
4507 apriv->proc_entry, &proc_statsdelta_ops, dev);
4508 if (!entry)
4509 goto fail_stats_delta;
4510 entry->uid = proc_uid;
4511 entry->gid = proc_gid;
4512
4513 /* Setup the Stats */
4514 entry = proc_create_data("Stats",
4515 S_IFREG | (S_IRUGO&proc_perm),
4516 apriv->proc_entry, &proc_stats_ops, dev);
4517 if (!entry)
4518 goto fail_stats;
4519 entry->uid = proc_uid;
4520 entry->gid = proc_gid;
4521
4522 /* Setup the Status */
4523 entry = proc_create_data("Status",
4524 S_IFREG | (S_IRUGO&proc_perm),
4525 apriv->proc_entry, &proc_status_ops, dev);
4526 if (!entry)
4527 goto fail_status;
4528 entry->uid = proc_uid;
4529 entry->gid = proc_gid;
4530
4531 /* Setup the Config */
4532 entry = proc_create_data("Config",
4533 S_IFREG | proc_perm,
4534 apriv->proc_entry, &proc_config_ops, dev);
4535 if (!entry)
4536 goto fail_config;
4537 entry->uid = proc_uid;
4538 entry->gid = proc_gid;
4539
4540 /* Setup the SSID */
4541 entry = proc_create_data("SSID",
4542 S_IFREG | proc_perm,
4543 apriv->proc_entry, &proc_SSID_ops, dev);
4544 if (!entry)
4545 goto fail_ssid;
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4548
4549 /* Setup the APList */
4550 entry = proc_create_data("APList",
4551 S_IFREG | proc_perm,
4552 apriv->proc_entry, &proc_APList_ops, dev);
4553 if (!entry)
4554 goto fail_aplist;
4555 entry->uid = proc_uid;
4556 entry->gid = proc_gid;
4557
4558 /* Setup the BSSList */
4559 entry = proc_create_data("BSSList",
4560 S_IFREG | proc_perm,
4561 apriv->proc_entry, &proc_BSSList_ops, dev);
4562 if (!entry)
4563 goto fail_bsslist;
4564 entry->uid = proc_uid;
4565 entry->gid = proc_gid;
4566
4567 /* Setup the WepKey */
4568 entry = proc_create_data("WepKey",
4569 S_IFREG | proc_perm,
4570 apriv->proc_entry, &proc_wepkey_ops, dev);
4571 if (!entry)
4572 goto fail_wepkey;
4573 entry->uid = proc_uid;
4574 entry->gid = proc_gid;
4575
4576 return 0;
4577
4578 fail_wepkey:
4579 remove_proc_entry("BSSList", apriv->proc_entry);
4580 fail_bsslist:
4581 remove_proc_entry("APList", apriv->proc_entry);
4582 fail_aplist:
4583 remove_proc_entry("SSID", apriv->proc_entry);
4584 fail_ssid:
4585 remove_proc_entry("Config", apriv->proc_entry);
4586 fail_config:
4587 remove_proc_entry("Status", apriv->proc_entry);
4588 fail_status:
4589 remove_proc_entry("Stats", apriv->proc_entry);
4590 fail_stats:
4591 remove_proc_entry("StatsDelta", apriv->proc_entry);
4592 fail_stats_delta:
4593 remove_proc_entry(apriv->proc_name, airo_entry);
4594 fail:
4595 return -ENOMEM;
4596 }
4597
4598 static int takedown_proc_entry( struct net_device *dev,
4599 struct airo_info *apriv ) {
4600 if ( !apriv->proc_entry->namelen ) return 0;
4601 remove_proc_entry("Stats",apriv->proc_entry);
4602 remove_proc_entry("StatsDelta",apriv->proc_entry);
4603 remove_proc_entry("Status",apriv->proc_entry);
4604 remove_proc_entry("Config",apriv->proc_entry);
4605 remove_proc_entry("SSID",apriv->proc_entry);
4606 remove_proc_entry("APList",apriv->proc_entry);
4607 remove_proc_entry("BSSList",apriv->proc_entry);
4608 remove_proc_entry("WepKey",apriv->proc_entry);
4609 remove_proc_entry(apriv->proc_name,airo_entry);
4610 return 0;
4611 }
4612
4613 /*
4614 * What we want from the proc_fs is to be able to efficiently read
4615 * and write the configuration. To do this, we want to read the
4616 * configuration when the file is opened and write it when the file is
4617 * closed. So basically we allocate a read buffer at open and fill it
4618 * with data, and allocate a write buffer and read it at close.
4619 */
4620
4621 /*
4622 * The read routine is generic, it relies on the preallocated rbuffer
4623 * to supply the data.
4624 */
4625 static ssize_t proc_read( struct file *file,
4626 char __user *buffer,
4627 size_t len,
4628 loff_t *offset )
4629 {
4630 struct proc_data *priv = file->private_data;
4631
4632 if (!priv->rbuffer)
4633 return -EINVAL;
4634
4635 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4636 priv->readlen);
4637 }
4638
4639 /*
4640 * The write routine is generic, it fills in a preallocated rbuffer
4641 * to supply the data.
4642 */
4643 static ssize_t proc_write( struct file *file,
4644 const char __user *buffer,
4645 size_t len,
4646 loff_t *offset )
4647 {
4648 loff_t pos = *offset;
4649 struct proc_data *priv = (struct proc_data*)file->private_data;
4650
4651 if (!priv->wbuffer)
4652 return -EINVAL;
4653
4654 if (pos < 0)
4655 return -EINVAL;
4656 if (pos >= priv->maxwritelen)
4657 return 0;
4658 if (len > priv->maxwritelen - pos)
4659 len = priv->maxwritelen - pos;
4660 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4661 return -EFAULT;
4662 if ( pos + len > priv->writelen )
4663 priv->writelen = len + file->f_pos;
4664 *offset = pos + len;
4665 return len;
4666 }
4667
4668 static int proc_status_open(struct inode *inode, struct file *file)
4669 {
4670 struct proc_data *data;
4671 struct proc_dir_entry *dp = PDE(inode);
4672 struct net_device *dev = dp->data;
4673 struct airo_info *apriv = dev->ml_priv;
4674 CapabilityRid cap_rid;
4675 StatusRid status_rid;
4676 u16 mode;
4677 int i;
4678
4679 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4680 return -ENOMEM;
4681 data = (struct proc_data *)file->private_data;
4682 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4683 kfree (file->private_data);
4684 return -ENOMEM;
4685 }
4686
4687 readStatusRid(apriv, &status_rid, 1);
4688 readCapabilityRid(apriv, &cap_rid, 1);
4689
4690 mode = le16_to_cpu(status_rid.mode);
4691
4692 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4693 mode & 1 ? "CFG ": "",
4694 mode & 2 ? "ACT ": "",
4695 mode & 0x10 ? "SYN ": "",
4696 mode & 0x20 ? "LNK ": "",
4697 mode & 0x40 ? "LEAP ": "",
4698 mode & 0x80 ? "PRIV ": "",
4699 mode & 0x100 ? "KEY ": "",
4700 mode & 0x200 ? "WEP ": "",
4701 mode & 0x8000 ? "ERR ": "");
4702 sprintf( data->rbuffer+i, "Mode: %x\n"
4703 "Signal Strength: %d\n"
4704 "Signal Quality: %d\n"
4705 "SSID: %-.*s\n"
4706 "AP: %-.16s\n"
4707 "Freq: %d\n"
4708 "BitRate: %dmbs\n"
4709 "Driver Version: %s\n"
4710 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4711 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4712 "Software Version: %x\nSoftware Subversion: %x\n"
4713 "Boot block version: %x\n",
4714 le16_to_cpu(status_rid.mode),
4715 le16_to_cpu(status_rid.normalizedSignalStrength),
4716 le16_to_cpu(status_rid.signalQuality),
4717 le16_to_cpu(status_rid.SSIDlen),
4718 status_rid.SSID,
4719 status_rid.apName,
4720 le16_to_cpu(status_rid.channel),
4721 le16_to_cpu(status_rid.currentXmitRate) / 2,
4722 version,
4723 cap_rid.prodName,
4724 cap_rid.manName,
4725 cap_rid.prodVer,
4726 le16_to_cpu(cap_rid.radioType),
4727 le16_to_cpu(cap_rid.country),
4728 le16_to_cpu(cap_rid.hardVer),
4729 le16_to_cpu(cap_rid.softVer),
4730 le16_to_cpu(cap_rid.softSubVer),
4731 le16_to_cpu(cap_rid.bootBlockVer));
4732 data->readlen = strlen( data->rbuffer );
4733 return 0;
4734 }
4735
4736 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4737 static int proc_statsdelta_open( struct inode *inode,
4738 struct file *file ) {
4739 if (file->f_mode&FMODE_WRITE) {
4740 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4741 }
4742 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4743 }
4744
4745 static int proc_stats_open( struct inode *inode, struct file *file ) {
4746 return proc_stats_rid_open(inode, file, RID_STATS);
4747 }
4748
4749 static int proc_stats_rid_open( struct inode *inode,
4750 struct file *file,
4751 u16 rid )
4752 {
4753 struct proc_data *data;
4754 struct proc_dir_entry *dp = PDE(inode);
4755 struct net_device *dev = dp->data;
4756 struct airo_info *apriv = dev->ml_priv;
4757 StatsRid stats;
4758 int i, j;
4759 __le32 *vals = stats.vals;
4760 int len;
4761
4762 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4763 return -ENOMEM;
4764 data = (struct proc_data *)file->private_data;
4765 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4766 kfree (file->private_data);
4767 return -ENOMEM;
4768 }
4769
4770 readStatsRid(apriv, &stats, rid, 1);
4771 len = le16_to_cpu(stats.len);
4772
4773 j = 0;
4774 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4775 if (!statsLabels[i]) continue;
4776 if (j+strlen(statsLabels[i])+16>4096) {
4777 airo_print_warn(apriv->dev->name,
4778 "Potentially disasterous buffer overflow averted!");
4779 break;
4780 }
4781 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4782 le32_to_cpu(vals[i]));
4783 }
4784 if (i*4 >= len) {
4785 airo_print_warn(apriv->dev->name, "Got a short rid");
4786 }
4787 data->readlen = j;
4788 return 0;
4789 }
4790
4791 static int get_dec_u16( char *buffer, int *start, int limit ) {
4792 u16 value;
4793 int valid = 0;
4794 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4795 buffer[*start] <= '9'; (*start)++) {
4796 valid = 1;
4797 value *= 10;
4798 value += buffer[*start] - '0';
4799 }
4800 if ( !valid ) return -1;
4801 return value;
4802 }
4803
4804 static int airo_config_commit(struct net_device *dev,
4805 struct iw_request_info *info, void *zwrq,
4806 char *extra);
4807
4808 static inline int sniffing_mode(struct airo_info *ai)
4809 {
4810 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4811 le16_to_cpu(RXMODE_RFMON);
4812 }
4813
4814 static void proc_config_on_close(struct inode *inode, struct file *file)
4815 {
4816 struct proc_data *data = file->private_data;
4817 struct proc_dir_entry *dp = PDE(inode);
4818 struct net_device *dev = dp->data;
4819 struct airo_info *ai = dev->ml_priv;
4820 char *line;
4821
4822 if ( !data->writelen ) return;
4823
4824 readConfigRid(ai, 1);
4825 set_bit (FLAG_COMMIT, &ai->flags);
4826
4827 line = data->wbuffer;
4828 while( line[0] ) {
4829 /*** Mode processing */
4830 if ( !strncmp( line, "Mode: ", 6 ) ) {
4831 line += 6;
4832 if (sniffing_mode(ai))
4833 set_bit (FLAG_RESET, &ai->flags);
4834 ai->config.rmode &= ~RXMODE_FULL_MASK;
4835 clear_bit (FLAG_802_11, &ai->flags);
4836 ai->config.opmode &= ~MODE_CFG_MASK;
4837 ai->config.scanMode = SCANMODE_ACTIVE;
4838 if ( line[0] == 'a' ) {
4839 ai->config.opmode |= MODE_STA_IBSS;
4840 } else {
4841 ai->config.opmode |= MODE_STA_ESS;
4842 if ( line[0] == 'r' ) {
4843 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4844 ai->config.scanMode = SCANMODE_PASSIVE;
4845 set_bit (FLAG_802_11, &ai->flags);
4846 } else if ( line[0] == 'y' ) {
4847 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4848 ai->config.scanMode = SCANMODE_PASSIVE;
4849 set_bit (FLAG_802_11, &ai->flags);
4850 } else if ( line[0] == 'l' )
4851 ai->config.rmode |= RXMODE_LANMON;
4852 }
4853 set_bit (FLAG_COMMIT, &ai->flags);
4854 }
4855
4856 /*** Radio status */
4857 else if (!strncmp(line,"Radio: ", 7)) {
4858 line += 7;
4859 if (!strncmp(line,"off",3)) {
4860 set_bit (FLAG_RADIO_OFF, &ai->flags);
4861 } else {
4862 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4863 }
4864 }
4865 /*** NodeName processing */
4866 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4867 int j;
4868
4869 line += 10;
4870 memset( ai->config.nodeName, 0, 16 );
4871 /* Do the name, assume a space between the mode and node name */
4872 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4873 ai->config.nodeName[j] = line[j];
4874 }
4875 set_bit (FLAG_COMMIT, &ai->flags);
4876 }
4877
4878 /*** PowerMode processing */
4879 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4880 line += 11;
4881 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4882 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4883 set_bit (FLAG_COMMIT, &ai->flags);
4884 } else if ( !strncmp( line, "PSP", 3 ) ) {
4885 ai->config.powerSaveMode = POWERSAVE_PSP;
4886 set_bit (FLAG_COMMIT, &ai->flags);
4887 } else {
4888 ai->config.powerSaveMode = POWERSAVE_CAM;
4889 set_bit (FLAG_COMMIT, &ai->flags);
4890 }
4891 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4892 int v, i = 0, k = 0; /* i is index into line,
4893 k is index to rates */
4894
4895 line += 11;
4896 while((v = get_dec_u16(line, &i, 3))!=-1) {
4897 ai->config.rates[k++] = (u8)v;
4898 line += i + 1;
4899 i = 0;
4900 }
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4903 int v, i = 0;
4904 line += 9;
4905 v = get_dec_u16(line, &i, i+3);
4906 if ( v != -1 ) {
4907 ai->config.channelSet = cpu_to_le16(v);
4908 set_bit (FLAG_COMMIT, &ai->flags);
4909 }
4910 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4911 int v, i = 0;
4912 line += 11;
4913 v = get_dec_u16(line, &i, i+3);
4914 if ( v != -1 ) {
4915 ai->config.txPower = cpu_to_le16(v);
4916 set_bit (FLAG_COMMIT, &ai->flags);
4917 }
4918 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4919 line += 5;
4920 switch( line[0] ) {
4921 case 's':
4922 ai->config.authType = AUTH_SHAREDKEY;
4923 break;
4924 case 'e':
4925 ai->config.authType = AUTH_ENCRYPT;
4926 break;
4927 default:
4928 ai->config.authType = AUTH_OPEN;
4929 break;
4930 }
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4933 int v, i = 0;
4934
4935 line += 16;
4936 v = get_dec_u16(line, &i, 3);
4937 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4938 ai->config.longRetryLimit = cpu_to_le16(v);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4941 int v, i = 0;
4942
4943 line += 17;
4944 v = get_dec_u16(line, &i, 3);
4945 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4946 ai->config.shortRetryLimit = cpu_to_le16(v);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4949 int v, i = 0;
4950
4951 line += 14;
4952 v = get_dec_u16(line, &i, 4);
4953 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4954 ai->config.rtsThres = cpu_to_le16(v);
4955 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4957 int v, i = 0;
4958
4959 line += 16;
4960 v = get_dec_u16(line, &i, 5);
4961 v = (v<0) ? 0 : v;
4962 ai->config.txLifetime = cpu_to_le16(v);
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4965 int v, i = 0;
4966
4967 line += 16;
4968 v = get_dec_u16(line, &i, 5);
4969 v = (v<0) ? 0 : v;
4970 ai->config.rxLifetime = cpu_to_le16(v);
4971 set_bit (FLAG_COMMIT, &ai->flags);
4972 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4973 ai->config.txDiversity =
4974 (line[13]=='l') ? 1 :
4975 ((line[13]=='r')? 2: 3);
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4978 ai->config.rxDiversity =
4979 (line[13]=='l') ? 1 :
4980 ((line[13]=='r')? 2: 3);
4981 set_bit (FLAG_COMMIT, &ai->flags);
4982 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4983 int v, i = 0;
4984
4985 line += 15;
4986 v = get_dec_u16(line, &i, 4);
4987 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4988 v = v & 0xfffe; /* Make sure its even */
4989 ai->config.fragThresh = cpu_to_le16(v);
4990 set_bit (FLAG_COMMIT, &ai->flags);
4991 } else if (!strncmp(line, "Modulation: ", 12)) {
4992 line += 12;
4993 switch(*line) {
4994 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4998 }
4999 } else if (!strncmp(line, "Preamble: ", 10)) {
5000 line += 10;
5001 switch(*line) {
5002 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5004 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5005 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5006 }
5007 } else {
5008 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5009 }
5010 while( line[0] && line[0] != '\n' ) line++;
5011 if ( line[0] ) line++;
5012 }
5013 airo_config_commit(dev, NULL, NULL, NULL);
5014 }
5015
5016 static char *get_rmode(__le16 mode)
5017 {
5018 switch(mode & RXMODE_MASK) {
5019 case RXMODE_RFMON: return "rfmon";
5020 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5021 case RXMODE_LANMON: return "lanmon";
5022 }
5023 return "ESS";
5024 }
5025
5026 static int proc_config_open(struct inode *inode, struct file *file)
5027 {
5028 struct proc_data *data;
5029 struct proc_dir_entry *dp = PDE(inode);
5030 struct net_device *dev = dp->data;
5031 struct airo_info *ai = dev->ml_priv;
5032 int i;
5033 __le16 mode;
5034
5035 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5036 return -ENOMEM;
5037 data = (struct proc_data *)file->private_data;
5038 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5039 kfree (file->private_data);
5040 return -ENOMEM;
5041 }
5042 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5043 kfree (data->rbuffer);
5044 kfree (file->private_data);
5045 return -ENOMEM;
5046 }
5047 data->maxwritelen = 2048;
5048 data->on_close = proc_config_on_close;
5049
5050 readConfigRid(ai, 1);
5051
5052 mode = ai->config.opmode & MODE_CFG_MASK;
5053 i = sprintf( data->rbuffer,
5054 "Mode: %s\n"
5055 "Radio: %s\n"
5056 "NodeName: %-16s\n"
5057 "PowerMode: %s\n"
5058 "DataRates: %d %d %d %d %d %d %d %d\n"
5059 "Channel: %d\n"
5060 "XmitPower: %d\n",
5061 mode == MODE_STA_IBSS ? "adhoc" :
5062 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5063 mode == MODE_AP ? "AP" :
5064 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5065 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5066 ai->config.nodeName,
5067 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5068 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5069 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5070 "Error",
5071 (int)ai->config.rates[0],
5072 (int)ai->config.rates[1],
5073 (int)ai->config.rates[2],
5074 (int)ai->config.rates[3],
5075 (int)ai->config.rates[4],
5076 (int)ai->config.rates[5],
5077 (int)ai->config.rates[6],
5078 (int)ai->config.rates[7],
5079 le16_to_cpu(ai->config.channelSet),
5080 le16_to_cpu(ai->config.txPower)
5081 );
5082 sprintf( data->rbuffer + i,
5083 "LongRetryLimit: %d\n"
5084 "ShortRetryLimit: %d\n"
5085 "RTSThreshold: %d\n"
5086 "TXMSDULifetime: %d\n"
5087 "RXMSDULifetime: %d\n"
5088 "TXDiversity: %s\n"
5089 "RXDiversity: %s\n"
5090 "FragThreshold: %d\n"
5091 "WEP: %s\n"
5092 "Modulation: %s\n"
5093 "Preamble: %s\n",
5094 le16_to_cpu(ai->config.longRetryLimit),
5095 le16_to_cpu(ai->config.shortRetryLimit),
5096 le16_to_cpu(ai->config.rtsThres),
5097 le16_to_cpu(ai->config.txLifetime),
5098 le16_to_cpu(ai->config.rxLifetime),
5099 ai->config.txDiversity == 1 ? "left" :
5100 ai->config.txDiversity == 2 ? "right" : "both",
5101 ai->config.rxDiversity == 1 ? "left" :
5102 ai->config.rxDiversity == 2 ? "right" : "both",
5103 le16_to_cpu(ai->config.fragThresh),
5104 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5105 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5106 ai->config.modulation == MOD_DEFAULT ? "default" :
5107 ai->config.modulation == MOD_CCK ? "cck" :
5108 ai->config.modulation == MOD_MOK ? "mok" : "error",
5109 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5110 ai->config.preamble == PREAMBLE_LONG ? "long" :
5111 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5112 );
5113 data->readlen = strlen( data->rbuffer );
5114 return 0;
5115 }
5116
5117 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5118 {
5119 struct proc_data *data = (struct proc_data *)file->private_data;
5120 struct proc_dir_entry *dp = PDE(inode);
5121 struct net_device *dev = dp->data;
5122 struct airo_info *ai = dev->ml_priv;
5123 SsidRid SSID_rid;
5124 int i;
5125 char *p = data->wbuffer;
5126 char *end = p + data->writelen;
5127
5128 if (!data->writelen)
5129 return;
5130
5131 *end = '\n'; /* sentinel; we have space for it */
5132
5133 memset(&SSID_rid, 0, sizeof(SSID_rid));
5134
5135 for (i = 0; i < 3 && p < end; i++) {
5136 int j = 0;
5137 /* copy up to 32 characters from this line */
5138 while (*p != '\n' && j < 32)
5139 SSID_rid.ssids[i].ssid[j++] = *p++;
5140 if (j == 0)
5141 break;
5142 SSID_rid.ssids[i].len = cpu_to_le16(j);
5143 /* skip to the beginning of the next line */
5144 while (*p++ != '\n')
5145 ;
5146 }
5147 if (i)
5148 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5149 disable_MAC(ai, 1);
5150 writeSsidRid(ai, &SSID_rid, 1);
5151 enable_MAC(ai, 1);
5152 }
5153
5154 static inline u8 hexVal(char c) {
5155 if (c>='0' && c<='9') return c -= '0';
5156 if (c>='a' && c<='f') return c -= 'a'-10;
5157 if (c>='A' && c<='F') return c -= 'A'-10;
5158 return 0;
5159 }
5160
5161 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5162 struct proc_data *data = (struct proc_data *)file->private_data;
5163 struct proc_dir_entry *dp = PDE(inode);
5164 struct net_device *dev = dp->data;
5165 struct airo_info *ai = dev->ml_priv;
5166 APListRid APList_rid;
5167 int i;
5168
5169 if ( !data->writelen ) return;
5170
5171 memset( &APList_rid, 0, sizeof(APList_rid) );
5172 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5173
5174 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5175 int j;
5176 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5177 switch(j%3) {
5178 case 0:
5179 APList_rid.ap[i][j/3]=
5180 hexVal(data->wbuffer[j+i*6*3])<<4;
5181 break;
5182 case 1:
5183 APList_rid.ap[i][j/3]|=
5184 hexVal(data->wbuffer[j+i*6*3]);
5185 break;
5186 }
5187 }
5188 }
5189 disable_MAC(ai, 1);
5190 writeAPListRid(ai, &APList_rid, 1);
5191 enable_MAC(ai, 1);
5192 }
5193
5194 /* This function wraps PC4500_writerid with a MAC disable */
5195 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5196 int len, int dummy ) {
5197 int rc;
5198
5199 disable_MAC(ai, 1);
5200 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5201 enable_MAC(ai, 1);
5202 return rc;
5203 }
5204
5205 /* Returns the WEP key at the specified index, or -1 if that key does
5206 * not exist. The buffer is assumed to be at least 16 bytes in length.
5207 */
5208 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5209 {
5210 WepKeyRid wkr;
5211 int rc;
5212 __le16 lastindex;
5213
5214 rc = readWepKeyRid(ai, &wkr, 1, 1);
5215 if (rc != SUCCESS)
5216 return -1;
5217 do {
5218 lastindex = wkr.kindex;
5219 if (le16_to_cpu(wkr.kindex) == index) {
5220 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5221 memcpy(buf, wkr.key, klen);
5222 return klen;
5223 }
5224 rc = readWepKeyRid(ai, &wkr, 0, 1);
5225 if (rc != SUCCESS)
5226 return -1;
5227 } while (lastindex != wkr.kindex);
5228 return -1;
5229 }
5230
5231 static int get_wep_tx_idx(struct airo_info *ai)
5232 {
5233 WepKeyRid wkr;
5234 int rc;
5235 __le16 lastindex;
5236
5237 rc = readWepKeyRid(ai, &wkr, 1, 1);
5238 if (rc != SUCCESS)
5239 return -1;
5240 do {
5241 lastindex = wkr.kindex;
5242 if (wkr.kindex == cpu_to_le16(0xffff))
5243 return wkr.mac[0];
5244 rc = readWepKeyRid(ai, &wkr, 0, 1);
5245 if (rc != SUCCESS)
5246 return -1;
5247 } while (lastindex != wkr.kindex);
5248 return -1;
5249 }
5250
5251 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5252 u16 keylen, int perm, int lock)
5253 {
5254 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5255 WepKeyRid wkr;
5256 int rc;
5257
5258 if (WARN_ON(keylen == 0))
5259 return -1;
5260
5261 memset(&wkr, 0, sizeof(wkr));
5262 wkr.len = cpu_to_le16(sizeof(wkr));
5263 wkr.kindex = cpu_to_le16(index);
5264 wkr.klen = cpu_to_le16(keylen);
5265 memcpy(wkr.key, key, keylen);
5266 memcpy(wkr.mac, macaddr, ETH_ALEN);
5267
5268 if (perm) disable_MAC(ai, lock);
5269 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5270 if (perm) enable_MAC(ai, lock);
5271 return rc;
5272 }
5273
5274 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5275 {
5276 WepKeyRid wkr;
5277 int rc;
5278
5279 memset(&wkr, 0, sizeof(wkr));
5280 wkr.len = cpu_to_le16(sizeof(wkr));
5281 wkr.kindex = cpu_to_le16(0xffff);
5282 wkr.mac[0] = (char)index;
5283
5284 if (perm) {
5285 ai->defindex = (char)index;
5286 disable_MAC(ai, lock);
5287 }
5288
5289 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5290
5291 if (perm)
5292 enable_MAC(ai, lock);
5293 return rc;
5294 }
5295
5296 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5297 struct proc_data *data;
5298 struct proc_dir_entry *dp = PDE(inode);
5299 struct net_device *dev = dp->data;
5300 struct airo_info *ai = dev->ml_priv;
5301 int i, rc;
5302 char key[16];
5303 u16 index = 0;
5304 int j = 0;
5305
5306 memset(key, 0, sizeof(key));
5307
5308 data = (struct proc_data *)file->private_data;
5309 if ( !data->writelen ) return;
5310
5311 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5312 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5313 index = data->wbuffer[0] - '0';
5314 if (data->wbuffer[1] == '\n') {
5315 rc = set_wep_tx_idx(ai, index, 1, 1);
5316 if (rc < 0) {
5317 airo_print_err(ai->dev->name, "failed to set "
5318 "WEP transmit index to %d: %d.",
5319 index, rc);
5320 }
5321 return;
5322 }
5323 j = 2;
5324 } else {
5325 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5326 return;
5327 }
5328
5329 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5330 switch(i%3) {
5331 case 0:
5332 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5333 break;
5334 case 1:
5335 key[i/3] |= hexVal(data->wbuffer[i+j]);
5336 break;
5337 }
5338 }
5339
5340 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5341 if (rc < 0) {
5342 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5343 "%d: %d.", index, rc);
5344 }
5345 }
5346
5347 static int proc_wepkey_open( struct inode *inode, struct file *file )
5348 {
5349 struct proc_data *data;
5350 struct proc_dir_entry *dp = PDE(inode);
5351 struct net_device *dev = dp->data;
5352 struct airo_info *ai = dev->ml_priv;
5353 char *ptr;
5354 WepKeyRid wkr;
5355 __le16 lastindex;
5356 int j=0;
5357 int rc;
5358
5359 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5360 return -ENOMEM;
5361 memset(&wkr, 0, sizeof(wkr));
5362 data = (struct proc_data *)file->private_data;
5363 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5364 kfree (file->private_data);
5365 return -ENOMEM;
5366 }
5367 data->writelen = 0;
5368 data->maxwritelen = 80;
5369 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5370 kfree (data->rbuffer);
5371 kfree (file->private_data);
5372 return -ENOMEM;
5373 }
5374 data->on_close = proc_wepkey_on_close;
5375
5376 ptr = data->rbuffer;
5377 strcpy(ptr, "No wep keys\n");
5378 rc = readWepKeyRid(ai, &wkr, 1, 1);
5379 if (rc == SUCCESS) do {
5380 lastindex = wkr.kindex;
5381 if (wkr.kindex == cpu_to_le16(0xffff)) {
5382 j += sprintf(ptr+j, "Tx key = %d\n",
5383 (int)wkr.mac[0]);
5384 } else {
5385 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5386 le16_to_cpu(wkr.kindex),
5387 le16_to_cpu(wkr.klen));
5388 }
5389 readWepKeyRid(ai, &wkr, 0, 1);
5390 } while((lastindex != wkr.kindex) && (j < 180-30));
5391
5392 data->readlen = strlen( data->rbuffer );
5393 return 0;
5394 }
5395
5396 static int proc_SSID_open(struct inode *inode, struct file *file)
5397 {
5398 struct proc_data *data;
5399 struct proc_dir_entry *dp = PDE(inode);
5400 struct net_device *dev = dp->data;
5401 struct airo_info *ai = dev->ml_priv;
5402 int i;
5403 char *ptr;
5404 SsidRid SSID_rid;
5405
5406 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5407 return -ENOMEM;
5408 data = (struct proc_data *)file->private_data;
5409 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5410 kfree (file->private_data);
5411 return -ENOMEM;
5412 }
5413 data->writelen = 0;
5414 data->maxwritelen = 33*3;
5415 /* allocate maxwritelen + 1; we'll want a sentinel */
5416 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5417 kfree (data->rbuffer);
5418 kfree (file->private_data);
5419 return -ENOMEM;
5420 }
5421 data->on_close = proc_SSID_on_close;
5422
5423 readSsidRid(ai, &SSID_rid);
5424 ptr = data->rbuffer;
5425 for (i = 0; i < 3; i++) {
5426 int j;
5427 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5428 if (!len)
5429 break;
5430 if (len > 32)
5431 len = 32;
5432 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5433 *ptr++ = SSID_rid.ssids[i].ssid[j];
5434 *ptr++ = '\n';
5435 }
5436 *ptr = '\0';
5437 data->readlen = strlen( data->rbuffer );
5438 return 0;
5439 }
5440
5441 static int proc_APList_open( struct inode *inode, struct file *file ) {
5442 struct proc_data *data;
5443 struct proc_dir_entry *dp = PDE(inode);
5444 struct net_device *dev = dp->data;
5445 struct airo_info *ai = dev->ml_priv;
5446 int i;
5447 char *ptr;
5448 APListRid APList_rid;
5449
5450 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5451 return -ENOMEM;
5452 data = (struct proc_data *)file->private_data;
5453 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5454 kfree (file->private_data);
5455 return -ENOMEM;
5456 }
5457 data->writelen = 0;
5458 data->maxwritelen = 4*6*3;
5459 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5460 kfree (data->rbuffer);
5461 kfree (file->private_data);
5462 return -ENOMEM;
5463 }
5464 data->on_close = proc_APList_on_close;
5465
5466 readAPListRid(ai, &APList_rid);
5467 ptr = data->rbuffer;
5468 for( i = 0; i < 4; i++ ) {
5469 // We end when we find a zero MAC
5470 if ( !*(int*)APList_rid.ap[i] &&
5471 !*(int*)&APList_rid.ap[i][2]) break;
5472 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5473 }
5474 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5475
5476 *ptr = '\0';
5477 data->readlen = strlen( data->rbuffer );
5478 return 0;
5479 }
5480
5481 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5482 struct proc_data *data;
5483 struct proc_dir_entry *dp = PDE(inode);
5484 struct net_device *dev = dp->data;
5485 struct airo_info *ai = dev->ml_priv;
5486 char *ptr;
5487 BSSListRid BSSList_rid;
5488 int rc;
5489 /* If doLoseSync is not 1, we won't do a Lose Sync */
5490 int doLoseSync = -1;
5491
5492 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5493 return -ENOMEM;
5494 data = (struct proc_data *)file->private_data;
5495 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5496 kfree (file->private_data);
5497 return -ENOMEM;
5498 }
5499 data->writelen = 0;
5500 data->maxwritelen = 0;
5501 data->wbuffer = NULL;
5502 data->on_close = NULL;
5503
5504 if (file->f_mode & FMODE_WRITE) {
5505 if (!(file->f_mode & FMODE_READ)) {
5506 Cmd cmd;
5507 Resp rsp;
5508
5509 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5510 memset(&cmd, 0, sizeof(cmd));
5511 cmd.cmd=CMD_LISTBSS;
5512 if (down_interruptible(&ai->sem))
5513 return -ERESTARTSYS;
5514 issuecommand(ai, &cmd, &rsp);
5515 up(&ai->sem);
5516 data->readlen = 0;
5517 return 0;
5518 }
5519 doLoseSync = 1;
5520 }
5521 ptr = data->rbuffer;
5522 /* There is a race condition here if there are concurrent opens.
5523 Since it is a rare condition, we'll just live with it, otherwise
5524 we have to add a spin lock... */
5525 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5526 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5527 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5528 BSSList_rid.bssid,
5529 (int)BSSList_rid.ssidLen,
5530 BSSList_rid.ssid,
5531 le16_to_cpu(BSSList_rid.dBm));
5532 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5533 le16_to_cpu(BSSList_rid.dsChannel),
5534 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5535 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5536 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5537 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5538 rc = readBSSListRid(ai, 0, &BSSList_rid);
5539 }
5540 *ptr = '\0';
5541 data->readlen = strlen( data->rbuffer );
5542 return 0;
5543 }
5544
5545 static int proc_close( struct inode *inode, struct file *file )
5546 {
5547 struct proc_data *data = file->private_data;
5548
5549 if (data->on_close != NULL)
5550 data->on_close(inode, file);
5551 kfree(data->rbuffer);
5552 kfree(data->wbuffer);
5553 kfree(data);
5554 return 0;
5555 }
5556
5557 /* Since the card doesn't automatically switch to the right WEP mode,
5558 we will make it do it. If the card isn't associated, every secs we
5559 will switch WEP modes to see if that will help. If the card is
5560 associated we will check every minute to see if anything has
5561 changed. */
5562 static void timer_func( struct net_device *dev ) {
5563 struct airo_info *apriv = dev->ml_priv;
5564
5565 /* We don't have a link so try changing the authtype */
5566 readConfigRid(apriv, 0);
5567 disable_MAC(apriv, 0);
5568 switch(apriv->config.authType) {
5569 case AUTH_ENCRYPT:
5570 /* So drop to OPEN */
5571 apriv->config.authType = AUTH_OPEN;
5572 break;
5573 case AUTH_SHAREDKEY:
5574 if (apriv->keyindex < auto_wep) {
5575 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5576 apriv->config.authType = AUTH_SHAREDKEY;
5577 apriv->keyindex++;
5578 } else {
5579 /* Drop to ENCRYPT */
5580 apriv->keyindex = 0;
5581 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5582 apriv->config.authType = AUTH_ENCRYPT;
5583 }
5584 break;
5585 default: /* We'll escalate to SHAREDKEY */
5586 apriv->config.authType = AUTH_SHAREDKEY;
5587 }
5588 set_bit (FLAG_COMMIT, &apriv->flags);
5589 writeConfigRid(apriv, 0);
5590 enable_MAC(apriv, 0);
5591 up(&apriv->sem);
5592
5593 /* Schedule check to see if the change worked */
5594 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5595 apriv->expires = RUN_AT(HZ*3);
5596 }
5597
5598 #ifdef CONFIG_PCI
5599 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5600 const struct pci_device_id *pent)
5601 {
5602 struct net_device *dev;
5603
5604 if (pci_enable_device(pdev))
5605 return -ENODEV;
5606 pci_set_master(pdev);
5607
5608 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5609 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5610 else
5611 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5612 if (!dev) {
5613 pci_disable_device(pdev);
5614 return -ENODEV;
5615 }
5616
5617 pci_set_drvdata(pdev, dev);
5618 return 0;
5619 }
5620
5621 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5622 {
5623 struct net_device *dev = pci_get_drvdata(pdev);
5624
5625 airo_print_info(dev->name, "Unregistering...");
5626 stop_airo_card(dev, 1);
5627 pci_disable_device(pdev);
5628 pci_set_drvdata(pdev, NULL);
5629 }
5630
5631 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5632 {
5633 struct net_device *dev = pci_get_drvdata(pdev);
5634 struct airo_info *ai = dev->ml_priv;
5635 Cmd cmd;
5636 Resp rsp;
5637
5638 if (!ai->APList)
5639 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5640 if (!ai->APList)
5641 return -ENOMEM;
5642 if (!ai->SSID)
5643 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5644 if (!ai->SSID)
5645 return -ENOMEM;
5646 readAPListRid(ai, ai->APList);
5647 readSsidRid(ai, ai->SSID);
5648 memset(&cmd, 0, sizeof(cmd));
5649 /* the lock will be released at the end of the resume callback */
5650 if (down_interruptible(&ai->sem))
5651 return -EAGAIN;
5652 disable_MAC(ai, 0);
5653 netif_device_detach(dev);
5654 ai->power = state;
5655 cmd.cmd = HOSTSLEEP;
5656 issuecommand(ai, &cmd, &rsp);
5657
5658 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5659 pci_save_state(pdev);
5660 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5661 return 0;
5662 }
5663
5664 static int airo_pci_resume(struct pci_dev *pdev)
5665 {
5666 struct net_device *dev = pci_get_drvdata(pdev);
5667 struct airo_info *ai = dev->ml_priv;
5668 pci_power_t prev_state = pdev->current_state;
5669
5670 pci_set_power_state(pdev, PCI_D0);
5671 pci_restore_state(pdev);
5672 pci_enable_wake(pdev, PCI_D0, 0);
5673
5674 if (prev_state != PCI_D1) {
5675 reset_card(dev, 0);
5676 mpi_init_descriptors(ai);
5677 setup_card(ai, dev->dev_addr, 0);
5678 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5679 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5680 } else {
5681 OUT4500(ai, EVACK, EV_AWAKEN);
5682 OUT4500(ai, EVACK, EV_AWAKEN);
5683 msleep(100);
5684 }
5685
5686 set_bit(FLAG_COMMIT, &ai->flags);
5687 disable_MAC(ai, 0);
5688 msleep(200);
5689 if (ai->SSID) {
5690 writeSsidRid(ai, ai->SSID, 0);
5691 kfree(ai->SSID);
5692 ai->SSID = NULL;
5693 }
5694 if (ai->APList) {
5695 writeAPListRid(ai, ai->APList, 0);
5696 kfree(ai->APList);
5697 ai->APList = NULL;
5698 }
5699 writeConfigRid(ai, 0);
5700 enable_MAC(ai, 0);
5701 ai->power = PMSG_ON;
5702 netif_device_attach(dev);
5703 netif_wake_queue(dev);
5704 enable_interrupts(ai);
5705 up(&ai->sem);
5706 return 0;
5707 }
5708 #endif
5709
5710 static int __init airo_init_module( void )
5711 {
5712 int i;
5713
5714 airo_entry = create_proc_entry("driver/aironet",
5715 S_IFDIR | airo_perm,
5716 NULL);
5717
5718 if (airo_entry) {
5719 airo_entry->uid = proc_uid;
5720 airo_entry->gid = proc_gid;
5721 }
5722
5723 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5724 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5725 "io=0x%x", irq[i], io[i] );
5726 if (init_airo_card( irq[i], io[i], 0, NULL ))
5727 /* do nothing */ ;
5728 }
5729
5730 #ifdef CONFIG_PCI
5731 airo_print_info("", "Probing for PCI adapters");
5732 i = pci_register_driver(&airo_driver);
5733 airo_print_info("", "Finished probing for PCI adapters");
5734
5735 if (i) {
5736 remove_proc_entry("driver/aironet", NULL);
5737 return i;
5738 }
5739 #endif
5740
5741 /* Always exit with success, as we are a library module
5742 * as well as a driver module
5743 */
5744 return 0;
5745 }
5746
5747 static void __exit airo_cleanup_module( void )
5748 {
5749 struct airo_info *ai;
5750 while(!list_empty(&airo_devices)) {
5751 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5752 airo_print_info(ai->dev->name, "Unregistering...");
5753 stop_airo_card(ai->dev, 1);
5754 }
5755 #ifdef CONFIG_PCI
5756 pci_unregister_driver(&airo_driver);
5757 #endif
5758 remove_proc_entry("driver/aironet", NULL);
5759 }
5760
5761 /*
5762 * Initial Wireless Extension code for Aironet driver by :
5763 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5764 * Conversion to new driver API by :
5765 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5766 * Javier also did a good amount of work here, adding some new extensions
5767 * and fixing my code. Let's just say that without him this code just
5768 * would not work at all... - Jean II
5769 */
5770
5771 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5772 {
5773 if (!rssi_rid)
5774 return 0;
5775
5776 return (0x100 - rssi_rid[rssi].rssidBm);
5777 }
5778
5779 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5780 {
5781 int i;
5782
5783 if (!rssi_rid)
5784 return 0;
5785
5786 for (i = 0; i < 256; i++)
5787 if (rssi_rid[i].rssidBm == dbm)
5788 return rssi_rid[i].rssipct;
5789
5790 return 0;
5791 }
5792
5793
5794 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5795 {
5796 int quality = 0;
5797 u16 sq;
5798
5799 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5800 return 0;
5801
5802 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5803 return 0;
5804
5805 sq = le16_to_cpu(status_rid->signalQuality);
5806 if (memcmp(cap_rid->prodName, "350", 3))
5807 if (sq > 0x20)
5808 quality = 0;
5809 else
5810 quality = 0x20 - sq;
5811 else
5812 if (sq > 0xb0)
5813 quality = 0;
5814 else if (sq < 0x10)
5815 quality = 0xa0;
5816 else
5817 quality = 0xb0 - sq;
5818 return quality;
5819 }
5820
5821 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5822 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5823
5824 /*------------------------------------------------------------------*/
5825 /*
5826 * Wireless Handler : get protocol name
5827 */
5828 static int airo_get_name(struct net_device *dev,
5829 struct iw_request_info *info,
5830 char *cwrq,
5831 char *extra)
5832 {
5833 strcpy(cwrq, "IEEE 802.11-DS");
5834 return 0;
5835 }
5836
5837 /*------------------------------------------------------------------*/
5838 /*
5839 * Wireless Handler : set frequency
5840 */
5841 static int airo_set_freq(struct net_device *dev,
5842 struct iw_request_info *info,
5843 struct iw_freq *fwrq,
5844 char *extra)
5845 {
5846 struct airo_info *local = dev->ml_priv;
5847 int rc = -EINPROGRESS; /* Call commit handler */
5848
5849 /* If setting by frequency, convert to a channel */
5850 if(fwrq->e == 1) {
5851 int f = fwrq->m / 100000;
5852
5853 /* Hack to fall through... */
5854 fwrq->e = 0;
5855 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5856 }
5857 /* Setting by channel number */
5858 if((fwrq->m > 1000) || (fwrq->e > 0))
5859 rc = -EOPNOTSUPP;
5860 else {
5861 int channel = fwrq->m;
5862 /* We should do a better check than that,
5863 * based on the card capability !!! */
5864 if((channel < 1) || (channel > 14)) {
5865 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5866 fwrq->m);
5867 rc = -EINVAL;
5868 } else {
5869 readConfigRid(local, 1);
5870 /* Yes ! We can set it !!! */
5871 local->config.channelSet = cpu_to_le16(channel);
5872 set_bit (FLAG_COMMIT, &local->flags);
5873 }
5874 }
5875 return rc;
5876 }
5877
5878 /*------------------------------------------------------------------*/
5879 /*
5880 * Wireless Handler : get frequency
5881 */
5882 static int airo_get_freq(struct net_device *dev,
5883 struct iw_request_info *info,
5884 struct iw_freq *fwrq,
5885 char *extra)
5886 {
5887 struct airo_info *local = dev->ml_priv;
5888 StatusRid status_rid; /* Card status info */
5889 int ch;
5890
5891 readConfigRid(local, 1);
5892 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5893 status_rid.channel = local->config.channelSet;
5894 else
5895 readStatusRid(local, &status_rid, 1);
5896
5897 ch = le16_to_cpu(status_rid.channel);
5898 if((ch > 0) && (ch < 15)) {
5899 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5900 fwrq->e = 1;
5901 } else {
5902 fwrq->m = ch;
5903 fwrq->e = 0;
5904 }
5905
5906 return 0;
5907 }
5908
5909 /*------------------------------------------------------------------*/
5910 /*
5911 * Wireless Handler : set ESSID
5912 */
5913 static int airo_set_essid(struct net_device *dev,
5914 struct iw_request_info *info,
5915 struct iw_point *dwrq,
5916 char *extra)
5917 {
5918 struct airo_info *local = dev->ml_priv;
5919 SsidRid SSID_rid; /* SSIDs */
5920
5921 /* Reload the list of current SSID */
5922 readSsidRid(local, &SSID_rid);
5923
5924 /* Check if we asked for `any' */
5925 if (dwrq->flags == 0) {
5926 /* Just send an empty SSID list */
5927 memset(&SSID_rid, 0, sizeof(SSID_rid));
5928 } else {
5929 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5930
5931 /* Check the size of the string */
5932 if (dwrq->length > IW_ESSID_MAX_SIZE)
5933 return -E2BIG ;
5934
5935 /* Check if index is valid */
5936 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5937 return -EINVAL;
5938
5939 /* Set the SSID */
5940 memset(SSID_rid.ssids[index].ssid, 0,
5941 sizeof(SSID_rid.ssids[index].ssid));
5942 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5943 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5944 }
5945 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5946 /* Write it to the card */
5947 disable_MAC(local, 1);
5948 writeSsidRid(local, &SSID_rid, 1);
5949 enable_MAC(local, 1);
5950
5951 return 0;
5952 }
5953
5954 /*------------------------------------------------------------------*/
5955 /*
5956 * Wireless Handler : get ESSID
5957 */
5958 static int airo_get_essid(struct net_device *dev,
5959 struct iw_request_info *info,
5960 struct iw_point *dwrq,
5961 char *extra)
5962 {
5963 struct airo_info *local = dev->ml_priv;
5964 StatusRid status_rid; /* Card status info */
5965
5966 readStatusRid(local, &status_rid, 1);
5967
5968 /* Note : if dwrq->flags != 0, we should
5969 * get the relevant SSID from the SSID list... */
5970
5971 /* Get the current SSID */
5972 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5973 /* If none, we may want to get the one that was set */
5974
5975 /* Push it out ! */
5976 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5977 dwrq->flags = 1; /* active */
5978
5979 return 0;
5980 }
5981
5982 /*------------------------------------------------------------------*/
5983 /*
5984 * Wireless Handler : set AP address
5985 */
5986 static int airo_set_wap(struct net_device *dev,
5987 struct iw_request_info *info,
5988 struct sockaddr *awrq,
5989 char *extra)
5990 {
5991 struct airo_info *local = dev->ml_priv;
5992 Cmd cmd;
5993 Resp rsp;
5994 APListRid APList_rid;
5995 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5996 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5997
5998 if (awrq->sa_family != ARPHRD_ETHER)
5999 return -EINVAL;
6000 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6001 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6002 memset(&cmd, 0, sizeof(cmd));
6003 cmd.cmd=CMD_LOSE_SYNC;
6004 if (down_interruptible(&local->sem))
6005 return -ERESTARTSYS;
6006 issuecommand(local, &cmd, &rsp);
6007 up(&local->sem);
6008 } else {
6009 memset(&APList_rid, 0, sizeof(APList_rid));
6010 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6011 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6012 disable_MAC(local, 1);
6013 writeAPListRid(local, &APList_rid, 1);
6014 enable_MAC(local, 1);
6015 }
6016 return 0;
6017 }
6018
6019 /*------------------------------------------------------------------*/
6020 /*
6021 * Wireless Handler : get AP address
6022 */
6023 static int airo_get_wap(struct net_device *dev,
6024 struct iw_request_info *info,
6025 struct sockaddr *awrq,
6026 char *extra)
6027 {
6028 struct airo_info *local = dev->ml_priv;
6029 StatusRid status_rid; /* Card status info */
6030
6031 readStatusRid(local, &status_rid, 1);
6032
6033 /* Tentative. This seems to work, wow, I'm lucky !!! */
6034 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6035 awrq->sa_family = ARPHRD_ETHER;
6036
6037 return 0;
6038 }
6039
6040 /*------------------------------------------------------------------*/
6041 /*
6042 * Wireless Handler : set Nickname
6043 */
6044 static int airo_set_nick(struct net_device *dev,
6045 struct iw_request_info *info,
6046 struct iw_point *dwrq,
6047 char *extra)
6048 {
6049 struct airo_info *local = dev->ml_priv;
6050
6051 /* Check the size of the string */
6052 if(dwrq->length > 16) {
6053 return -E2BIG;
6054 }
6055 readConfigRid(local, 1);
6056 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6057 memcpy(local->config.nodeName, extra, dwrq->length);
6058 set_bit (FLAG_COMMIT, &local->flags);
6059
6060 return -EINPROGRESS; /* Call commit handler */
6061 }
6062
6063 /*------------------------------------------------------------------*/
6064 /*
6065 * Wireless Handler : get Nickname
6066 */
6067 static int airo_get_nick(struct net_device *dev,
6068 struct iw_request_info *info,
6069 struct iw_point *dwrq,
6070 char *extra)
6071 {
6072 struct airo_info *local = dev->ml_priv;
6073
6074 readConfigRid(local, 1);
6075 strncpy(extra, local->config.nodeName, 16);
6076 extra[16] = '\0';
6077 dwrq->length = strlen(extra);
6078
6079 return 0;
6080 }
6081
6082 /*------------------------------------------------------------------*/
6083 /*
6084 * Wireless Handler : set Bit-Rate
6085 */
6086 static int airo_set_rate(struct net_device *dev,
6087 struct iw_request_info *info,
6088 struct iw_param *vwrq,
6089 char *extra)
6090 {
6091 struct airo_info *local = dev->ml_priv;
6092 CapabilityRid cap_rid; /* Card capability info */
6093 u8 brate = 0;
6094 int i;
6095
6096 /* First : get a valid bit rate value */
6097 readCapabilityRid(local, &cap_rid, 1);
6098
6099 /* Which type of value ? */
6100 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6101 /* Setting by rate index */
6102 /* Find value in the magic rate table */
6103 brate = cap_rid.supportedRates[vwrq->value];
6104 } else {
6105 /* Setting by frequency value */
6106 u8 normvalue = (u8) (vwrq->value/500000);
6107
6108 /* Check if rate is valid */
6109 for(i = 0 ; i < 8 ; i++) {
6110 if(normvalue == cap_rid.supportedRates[i]) {
6111 brate = normvalue;
6112 break;
6113 }
6114 }
6115 }
6116 /* -1 designed the max rate (mostly auto mode) */
6117 if(vwrq->value == -1) {
6118 /* Get the highest available rate */
6119 for(i = 0 ; i < 8 ; i++) {
6120 if(cap_rid.supportedRates[i] == 0)
6121 break;
6122 }
6123 if(i != 0)
6124 brate = cap_rid.supportedRates[i - 1];
6125 }
6126 /* Check that it is valid */
6127 if(brate == 0) {
6128 return -EINVAL;
6129 }
6130
6131 readConfigRid(local, 1);
6132 /* Now, check if we want a fixed or auto value */
6133 if(vwrq->fixed == 0) {
6134 /* Fill all the rates up to this max rate */
6135 memset(local->config.rates, 0, 8);
6136 for(i = 0 ; i < 8 ; i++) {
6137 local->config.rates[i] = cap_rid.supportedRates[i];
6138 if(local->config.rates[i] == brate)
6139 break;
6140 }
6141 } else {
6142 /* Fixed mode */
6143 /* One rate, fixed */
6144 memset(local->config.rates, 0, 8);
6145 local->config.rates[0] = brate;
6146 }
6147 set_bit (FLAG_COMMIT, &local->flags);
6148
6149 return -EINPROGRESS; /* Call commit handler */
6150 }
6151
6152 /*------------------------------------------------------------------*/
6153 /*
6154 * Wireless Handler : get Bit-Rate
6155 */
6156 static int airo_get_rate(struct net_device *dev,
6157 struct iw_request_info *info,
6158 struct iw_param *vwrq,
6159 char *extra)
6160 {
6161 struct airo_info *local = dev->ml_priv;
6162 StatusRid status_rid; /* Card status info */
6163
6164 readStatusRid(local, &status_rid, 1);
6165
6166 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6167 /* If more than one rate, set auto */
6168 readConfigRid(local, 1);
6169 vwrq->fixed = (local->config.rates[1] == 0);
6170
6171 return 0;
6172 }
6173
6174 /*------------------------------------------------------------------*/
6175 /*
6176 * Wireless Handler : set RTS threshold
6177 */
6178 static int airo_set_rts(struct net_device *dev,
6179 struct iw_request_info *info,
6180 struct iw_param *vwrq,
6181 char *extra)
6182 {
6183 struct airo_info *local = dev->ml_priv;
6184 int rthr = vwrq->value;
6185
6186 if(vwrq->disabled)
6187 rthr = AIRO_DEF_MTU;
6188 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6189 return -EINVAL;
6190 }
6191 readConfigRid(local, 1);
6192 local->config.rtsThres = cpu_to_le16(rthr);
6193 set_bit (FLAG_COMMIT, &local->flags);
6194
6195 return -EINPROGRESS; /* Call commit handler */
6196 }
6197
6198 /*------------------------------------------------------------------*/
6199 /*
6200 * Wireless Handler : get RTS threshold
6201 */
6202 static int airo_get_rts(struct net_device *dev,
6203 struct iw_request_info *info,
6204 struct iw_param *vwrq,
6205 char *extra)
6206 {
6207 struct airo_info *local = dev->ml_priv;
6208
6209 readConfigRid(local, 1);
6210 vwrq->value = le16_to_cpu(local->config.rtsThres);
6211 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6212 vwrq->fixed = 1;
6213
6214 return 0;
6215 }
6216
6217 /*------------------------------------------------------------------*/
6218 /*
6219 * Wireless Handler : set Fragmentation threshold
6220 */
6221 static int airo_set_frag(struct net_device *dev,
6222 struct iw_request_info *info,
6223 struct iw_param *vwrq,
6224 char *extra)
6225 {
6226 struct airo_info *local = dev->ml_priv;
6227 int fthr = vwrq->value;
6228
6229 if(vwrq->disabled)
6230 fthr = AIRO_DEF_MTU;
6231 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6232 return -EINVAL;
6233 }
6234 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6235 readConfigRid(local, 1);
6236 local->config.fragThresh = cpu_to_le16(fthr);
6237 set_bit (FLAG_COMMIT, &local->flags);
6238
6239 return -EINPROGRESS; /* Call commit handler */
6240 }
6241
6242 /*------------------------------------------------------------------*/
6243 /*
6244 * Wireless Handler : get Fragmentation threshold
6245 */
6246 static int airo_get_frag(struct net_device *dev,
6247 struct iw_request_info *info,
6248 struct iw_param *vwrq,
6249 char *extra)
6250 {
6251 struct airo_info *local = dev->ml_priv;
6252
6253 readConfigRid(local, 1);
6254 vwrq->value = le16_to_cpu(local->config.fragThresh);
6255 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6256 vwrq->fixed = 1;
6257
6258 return 0;
6259 }
6260
6261 /*------------------------------------------------------------------*/
6262 /*
6263 * Wireless Handler : set Mode of Operation
6264 */
6265 static int airo_set_mode(struct net_device *dev,
6266 struct iw_request_info *info,
6267 __u32 *uwrq,
6268 char *extra)
6269 {
6270 struct airo_info *local = dev->ml_priv;
6271 int reset = 0;
6272
6273 readConfigRid(local, 1);
6274 if (sniffing_mode(local))
6275 reset = 1;
6276
6277 switch(*uwrq) {
6278 case IW_MODE_ADHOC:
6279 local->config.opmode &= ~MODE_CFG_MASK;
6280 local->config.opmode |= MODE_STA_IBSS;
6281 local->config.rmode &= ~RXMODE_FULL_MASK;
6282 local->config.scanMode = SCANMODE_ACTIVE;
6283 clear_bit (FLAG_802_11, &local->flags);
6284 break;
6285 case IW_MODE_INFRA:
6286 local->config.opmode &= ~MODE_CFG_MASK;
6287 local->config.opmode |= MODE_STA_ESS;
6288 local->config.rmode &= ~RXMODE_FULL_MASK;
6289 local->config.scanMode = SCANMODE_ACTIVE;
6290 clear_bit (FLAG_802_11, &local->flags);
6291 break;
6292 case IW_MODE_MASTER:
6293 local->config.opmode &= ~MODE_CFG_MASK;
6294 local->config.opmode |= MODE_AP;
6295 local->config.rmode &= ~RXMODE_FULL_MASK;
6296 local->config.scanMode = SCANMODE_ACTIVE;
6297 clear_bit (FLAG_802_11, &local->flags);
6298 break;
6299 case IW_MODE_REPEAT:
6300 local->config.opmode &= ~MODE_CFG_MASK;
6301 local->config.opmode |= MODE_AP_RPTR;
6302 local->config.rmode &= ~RXMODE_FULL_MASK;
6303 local->config.scanMode = SCANMODE_ACTIVE;
6304 clear_bit (FLAG_802_11, &local->flags);
6305 break;
6306 case IW_MODE_MONITOR:
6307 local->config.opmode &= ~MODE_CFG_MASK;
6308 local->config.opmode |= MODE_STA_ESS;
6309 local->config.rmode &= ~RXMODE_FULL_MASK;
6310 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6311 local->config.scanMode = SCANMODE_PASSIVE;
6312 set_bit (FLAG_802_11, &local->flags);
6313 break;
6314 default:
6315 return -EINVAL;
6316 }
6317 if (reset)
6318 set_bit (FLAG_RESET, &local->flags);
6319 set_bit (FLAG_COMMIT, &local->flags);
6320
6321 return -EINPROGRESS; /* Call commit handler */
6322 }
6323
6324 /*------------------------------------------------------------------*/
6325 /*
6326 * Wireless Handler : get Mode of Operation
6327 */
6328 static int airo_get_mode(struct net_device *dev,
6329 struct iw_request_info *info,
6330 __u32 *uwrq,
6331 char *extra)
6332 {
6333 struct airo_info *local = dev->ml_priv;
6334
6335 readConfigRid(local, 1);
6336 /* If not managed, assume it's ad-hoc */
6337 switch (local->config.opmode & MODE_CFG_MASK) {
6338 case MODE_STA_ESS:
6339 *uwrq = IW_MODE_INFRA;
6340 break;
6341 case MODE_AP:
6342 *uwrq = IW_MODE_MASTER;
6343 break;
6344 case MODE_AP_RPTR:
6345 *uwrq = IW_MODE_REPEAT;
6346 break;
6347 default:
6348 *uwrq = IW_MODE_ADHOC;
6349 }
6350
6351 return 0;
6352 }
6353
6354 static inline int valid_index(struct airo_info *ai, int index)
6355 {
6356 return (index >= 0) && (index <= ai->max_wep_idx);
6357 }
6358
6359 /*------------------------------------------------------------------*/
6360 /*
6361 * Wireless Handler : set Encryption Key
6362 */
6363 static int airo_set_encode(struct net_device *dev,
6364 struct iw_request_info *info,
6365 struct iw_point *dwrq,
6366 char *extra)
6367 {
6368 struct airo_info *local = dev->ml_priv;
6369 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6370 __le16 currentAuthType = local->config.authType;
6371 int rc = 0;
6372
6373 if (!local->wep_capable)
6374 return -EOPNOTSUPP;
6375
6376 readConfigRid(local, 1);
6377
6378 /* Basic checking: do we have a key to set ?
6379 * Note : with the new API, it's impossible to get a NULL pointer.
6380 * Therefore, we need to check a key size == 0 instead.
6381 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6382 * when no key is present (only change flags), but older versions
6383 * don't do it. - Jean II */
6384 if (dwrq->length > 0) {
6385 wep_key_t key;
6386 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6387 int current_index;
6388
6389 /* Check the size of the key */
6390 if (dwrq->length > MAX_KEY_SIZE) {
6391 return -EINVAL;
6392 }
6393
6394 current_index = get_wep_tx_idx(local);
6395 if (current_index < 0)
6396 current_index = 0;
6397
6398 /* Check the index (none -> use current) */
6399 if (!valid_index(local, index))
6400 index = current_index;
6401
6402 /* Set the length */
6403 if (dwrq->length > MIN_KEY_SIZE)
6404 key.len = MAX_KEY_SIZE;
6405 else
6406 key.len = MIN_KEY_SIZE;
6407 /* Check if the key is not marked as invalid */
6408 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6409 /* Cleanup */
6410 memset(key.key, 0, MAX_KEY_SIZE);
6411 /* Copy the key in the driver */
6412 memcpy(key.key, extra, dwrq->length);
6413 /* Send the key to the card */
6414 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6415 if (rc < 0) {
6416 airo_print_err(local->dev->name, "failed to set"
6417 " WEP key at index %d: %d.",
6418 index, rc);
6419 return rc;
6420 }
6421 }
6422 /* WE specify that if a valid key is set, encryption
6423 * should be enabled (user may turn it off later)
6424 * This is also how "iwconfig ethX key on" works */
6425 if((index == current_index) && (key.len > 0) &&
6426 (local->config.authType == AUTH_OPEN)) {
6427 local->config.authType = AUTH_ENCRYPT;
6428 }
6429 } else {
6430 /* Do we want to just set the transmit key index ? */
6431 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6432 if (valid_index(local, index)) {
6433 rc = set_wep_tx_idx(local, index, perm, 1);
6434 if (rc < 0) {
6435 airo_print_err(local->dev->name, "failed to set"
6436 " WEP transmit index to %d: %d.",
6437 index, rc);
6438 return rc;
6439 }
6440 } else {
6441 /* Don't complain if only change the mode */
6442 if (!(dwrq->flags & IW_ENCODE_MODE))
6443 return -EINVAL;
6444 }
6445 }
6446 /* Read the flags */
6447 if(dwrq->flags & IW_ENCODE_DISABLED)
6448 local->config.authType = AUTH_OPEN; // disable encryption
6449 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6450 local->config.authType = AUTH_SHAREDKEY; // Only Both
6451 if(dwrq->flags & IW_ENCODE_OPEN)
6452 local->config.authType = AUTH_ENCRYPT; // Only Wep
6453 /* Commit the changes to flags if needed */
6454 if (local->config.authType != currentAuthType)
6455 set_bit (FLAG_COMMIT, &local->flags);
6456 return -EINPROGRESS; /* Call commit handler */
6457 }
6458
6459 /*------------------------------------------------------------------*/
6460 /*
6461 * Wireless Handler : get Encryption Key
6462 */
6463 static int airo_get_encode(struct net_device *dev,
6464 struct iw_request_info *info,
6465 struct iw_point *dwrq,
6466 char *extra)
6467 {
6468 struct airo_info *local = dev->ml_priv;
6469 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6470 int wep_key_len;
6471 u8 buf[16];
6472
6473 if (!local->wep_capable)
6474 return -EOPNOTSUPP;
6475
6476 readConfigRid(local, 1);
6477
6478 /* Check encryption mode */
6479 switch(local->config.authType) {
6480 case AUTH_ENCRYPT:
6481 dwrq->flags = IW_ENCODE_OPEN;
6482 break;
6483 case AUTH_SHAREDKEY:
6484 dwrq->flags = IW_ENCODE_RESTRICTED;
6485 break;
6486 default:
6487 case AUTH_OPEN:
6488 dwrq->flags = IW_ENCODE_DISABLED;
6489 break;
6490 }
6491 /* We can't return the key, so set the proper flag and return zero */
6492 dwrq->flags |= IW_ENCODE_NOKEY;
6493 memset(extra, 0, 16);
6494
6495 /* Which key do we want ? -1 -> tx index */
6496 if (!valid_index(local, index)) {
6497 index = get_wep_tx_idx(local);
6498 if (index < 0)
6499 index = 0;
6500 }
6501 dwrq->flags |= index + 1;
6502
6503 /* Copy the key to the user buffer */
6504 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6505 if (wep_key_len < 0) {
6506 dwrq->length = 0;
6507 } else {
6508 dwrq->length = wep_key_len;
6509 memcpy(extra, buf, dwrq->length);
6510 }
6511
6512 return 0;
6513 }
6514
6515 /*------------------------------------------------------------------*/
6516 /*
6517 * Wireless Handler : set extended Encryption parameters
6518 */
6519 static int airo_set_encodeext(struct net_device *dev,
6520 struct iw_request_info *info,
6521 union iwreq_data *wrqu,
6522 char *extra)
6523 {
6524 struct airo_info *local = dev->ml_priv;
6525 struct iw_point *encoding = &wrqu->encoding;
6526 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6527 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6528 __le16 currentAuthType = local->config.authType;
6529 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6530 wep_key_t key;
6531
6532 if (!local->wep_capable)
6533 return -EOPNOTSUPP;
6534
6535 readConfigRid(local, 1);
6536
6537 /* Determine and validate the key index */
6538 idx = encoding->flags & IW_ENCODE_INDEX;
6539 if (idx) {
6540 if (!valid_index(local, idx - 1))
6541 return -EINVAL;
6542 idx--;
6543 } else {
6544 idx = get_wep_tx_idx(local);
6545 if (idx < 0)
6546 idx = 0;
6547 }
6548
6549 if (encoding->flags & IW_ENCODE_DISABLED)
6550 alg = IW_ENCODE_ALG_NONE;
6551
6552 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6553 /* Only set transmit key index here, actual
6554 * key is set below if needed.
6555 */
6556 rc = set_wep_tx_idx(local, idx, perm, 1);
6557 if (rc < 0) {
6558 airo_print_err(local->dev->name, "failed to set "
6559 "WEP transmit index to %d: %d.",
6560 idx, rc);
6561 return rc;
6562 }
6563 set_key = ext->key_len > 0 ? 1 : 0;
6564 }
6565
6566 if (set_key) {
6567 /* Set the requested key first */
6568 memset(key.key, 0, MAX_KEY_SIZE);
6569 switch (alg) {
6570 case IW_ENCODE_ALG_NONE:
6571 key.len = 0;
6572 break;
6573 case IW_ENCODE_ALG_WEP:
6574 if (ext->key_len > MIN_KEY_SIZE) {
6575 key.len = MAX_KEY_SIZE;
6576 } else if (ext->key_len > 0) {
6577 key.len = MIN_KEY_SIZE;
6578 } else {
6579 return -EINVAL;
6580 }
6581 key_len = min (ext->key_len, key.len);
6582 memcpy(key.key, ext->key, key_len);
6583 break;
6584 default:
6585 return -EINVAL;
6586 }
6587 if (key.len == 0) {
6588 rc = set_wep_tx_idx(local, idx, perm, 1);
6589 if (rc < 0) {
6590 airo_print_err(local->dev->name,
6591 "failed to set WEP transmit index to %d: %d.",
6592 idx, rc);
6593 return rc;
6594 }
6595 } else {
6596 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6597 if (rc < 0) {
6598 airo_print_err(local->dev->name,
6599 "failed to set WEP key at index %d: %d.",
6600 idx, rc);
6601 return rc;
6602 }
6603 }
6604 }
6605
6606 /* Read the flags */
6607 if(encoding->flags & IW_ENCODE_DISABLED)
6608 local->config.authType = AUTH_OPEN; // disable encryption
6609 if(encoding->flags & IW_ENCODE_RESTRICTED)
6610 local->config.authType = AUTH_SHAREDKEY; // Only Both
6611 if(encoding->flags & IW_ENCODE_OPEN)
6612 local->config.authType = AUTH_ENCRYPT; // Only Wep
6613 /* Commit the changes to flags if needed */
6614 if (local->config.authType != currentAuthType)
6615 set_bit (FLAG_COMMIT, &local->flags);
6616
6617 return -EINPROGRESS;
6618 }
6619
6620
6621 /*------------------------------------------------------------------*/
6622 /*
6623 * Wireless Handler : get extended Encryption parameters
6624 */
6625 static int airo_get_encodeext(struct net_device *dev,
6626 struct iw_request_info *info,
6627 union iwreq_data *wrqu,
6628 char *extra)
6629 {
6630 struct airo_info *local = dev->ml_priv;
6631 struct iw_point *encoding = &wrqu->encoding;
6632 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6633 int idx, max_key_len, wep_key_len;
6634 u8 buf[16];
6635
6636 if (!local->wep_capable)
6637 return -EOPNOTSUPP;
6638
6639 readConfigRid(local, 1);
6640
6641 max_key_len = encoding->length - sizeof(*ext);
6642 if (max_key_len < 0)
6643 return -EINVAL;
6644
6645 idx = encoding->flags & IW_ENCODE_INDEX;
6646 if (idx) {
6647 if (!valid_index(local, idx - 1))
6648 return -EINVAL;
6649 idx--;
6650 } else {
6651 idx = get_wep_tx_idx(local);
6652 if (idx < 0)
6653 idx = 0;
6654 }
6655
6656 encoding->flags = idx + 1;
6657 memset(ext, 0, sizeof(*ext));
6658
6659 /* Check encryption mode */
6660 switch(local->config.authType) {
6661 case AUTH_ENCRYPT:
6662 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6663 break;
6664 case AUTH_SHAREDKEY:
6665 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6666 break;
6667 default:
6668 case AUTH_OPEN:
6669 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6670 break;
6671 }
6672 /* We can't return the key, so set the proper flag and return zero */
6673 encoding->flags |= IW_ENCODE_NOKEY;
6674 memset(extra, 0, 16);
6675
6676 /* Copy the key to the user buffer */
6677 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6678 if (wep_key_len < 0) {
6679 ext->key_len = 0;
6680 } else {
6681 ext->key_len = wep_key_len;
6682 memcpy(extra, buf, ext->key_len);
6683 }
6684
6685 return 0;
6686 }
6687
6688
6689 /*------------------------------------------------------------------*/
6690 /*
6691 * Wireless Handler : set extended authentication parameters
6692 */
6693 static int airo_set_auth(struct net_device *dev,
6694 struct iw_request_info *info,
6695 union iwreq_data *wrqu, char *extra)
6696 {
6697 struct airo_info *local = dev->ml_priv;
6698 struct iw_param *param = &wrqu->param;
6699 __le16 currentAuthType = local->config.authType;
6700
6701 switch (param->flags & IW_AUTH_INDEX) {
6702 case IW_AUTH_WPA_VERSION:
6703 case IW_AUTH_CIPHER_PAIRWISE:
6704 case IW_AUTH_CIPHER_GROUP:
6705 case IW_AUTH_KEY_MGMT:
6706 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6707 case IW_AUTH_PRIVACY_INVOKED:
6708 /*
6709 * airo does not use these parameters
6710 */
6711 break;
6712
6713 case IW_AUTH_DROP_UNENCRYPTED:
6714 if (param->value) {
6715 /* Only change auth type if unencrypted */
6716 if (currentAuthType == AUTH_OPEN)
6717 local->config.authType = AUTH_ENCRYPT;
6718 } else {
6719 local->config.authType = AUTH_OPEN;
6720 }
6721
6722 /* Commit the changes to flags if needed */
6723 if (local->config.authType != currentAuthType)
6724 set_bit (FLAG_COMMIT, &local->flags);
6725 break;
6726
6727 case IW_AUTH_80211_AUTH_ALG: {
6728 /* FIXME: What about AUTH_OPEN? This API seems to
6729 * disallow setting our auth to AUTH_OPEN.
6730 */
6731 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6732 local->config.authType = AUTH_SHAREDKEY;
6733 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6734 local->config.authType = AUTH_ENCRYPT;
6735 } else
6736 return -EINVAL;
6737
6738 /* Commit the changes to flags if needed */
6739 if (local->config.authType != currentAuthType)
6740 set_bit (FLAG_COMMIT, &local->flags);
6741 break;
6742 }
6743
6744 case IW_AUTH_WPA_ENABLED:
6745 /* Silently accept disable of WPA */
6746 if (param->value > 0)
6747 return -EOPNOTSUPP;
6748 break;
6749
6750 default:
6751 return -EOPNOTSUPP;
6752 }
6753 return -EINPROGRESS;
6754 }
6755
6756
6757 /*------------------------------------------------------------------*/
6758 /*
6759 * Wireless Handler : get extended authentication parameters
6760 */
6761 static int airo_get_auth(struct net_device *dev,
6762 struct iw_request_info *info,
6763 union iwreq_data *wrqu, char *extra)
6764 {
6765 struct airo_info *local = dev->ml_priv;
6766 struct iw_param *param = &wrqu->param;
6767 __le16 currentAuthType = local->config.authType;
6768
6769 switch (param->flags & IW_AUTH_INDEX) {
6770 case IW_AUTH_DROP_UNENCRYPTED:
6771 switch (currentAuthType) {
6772 case AUTH_SHAREDKEY:
6773 case AUTH_ENCRYPT:
6774 param->value = 1;
6775 break;
6776 default:
6777 param->value = 0;
6778 break;
6779 }
6780 break;
6781
6782 case IW_AUTH_80211_AUTH_ALG:
6783 switch (currentAuthType) {
6784 case AUTH_SHAREDKEY:
6785 param->value = IW_AUTH_ALG_SHARED_KEY;
6786 break;
6787 case AUTH_ENCRYPT:
6788 default:
6789 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6790 break;
6791 }
6792 break;
6793
6794 case IW_AUTH_WPA_ENABLED:
6795 param->value = 0;
6796 break;
6797
6798 default:
6799 return -EOPNOTSUPP;
6800 }
6801 return 0;
6802 }
6803
6804
6805 /*------------------------------------------------------------------*/
6806 /*
6807 * Wireless Handler : set Tx-Power
6808 */
6809 static int airo_set_txpow(struct net_device *dev,
6810 struct iw_request_info *info,
6811 struct iw_param *vwrq,
6812 char *extra)
6813 {
6814 struct airo_info *local = dev->ml_priv;
6815 CapabilityRid cap_rid; /* Card capability info */
6816 int i;
6817 int rc = -EINVAL;
6818 __le16 v = cpu_to_le16(vwrq->value);
6819
6820 readCapabilityRid(local, &cap_rid, 1);
6821
6822 if (vwrq->disabled) {
6823 set_bit (FLAG_RADIO_OFF, &local->flags);
6824 set_bit (FLAG_COMMIT, &local->flags);
6825 return -EINPROGRESS; /* Call commit handler */
6826 }
6827 if (vwrq->flags != IW_TXPOW_MWATT) {
6828 return -EINVAL;
6829 }
6830 clear_bit (FLAG_RADIO_OFF, &local->flags);
6831 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6832 if (v == cap_rid.txPowerLevels[i]) {
6833 readConfigRid(local, 1);
6834 local->config.txPower = v;
6835 set_bit (FLAG_COMMIT, &local->flags);
6836 rc = -EINPROGRESS; /* Call commit handler */
6837 break;
6838 }
6839 return rc;
6840 }
6841
6842 /*------------------------------------------------------------------*/
6843 /*
6844 * Wireless Handler : get Tx-Power
6845 */
6846 static int airo_get_txpow(struct net_device *dev,
6847 struct iw_request_info *info,
6848 struct iw_param *vwrq,
6849 char *extra)
6850 {
6851 struct airo_info *local = dev->ml_priv;
6852
6853 readConfigRid(local, 1);
6854 vwrq->value = le16_to_cpu(local->config.txPower);
6855 vwrq->fixed = 1; /* No power control */
6856 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6857 vwrq->flags = IW_TXPOW_MWATT;
6858
6859 return 0;
6860 }
6861
6862 /*------------------------------------------------------------------*/
6863 /*
6864 * Wireless Handler : set Retry limits
6865 */
6866 static int airo_set_retry(struct net_device *dev,
6867 struct iw_request_info *info,
6868 struct iw_param *vwrq,
6869 char *extra)
6870 {
6871 struct airo_info *local = dev->ml_priv;
6872 int rc = -EINVAL;
6873
6874 if(vwrq->disabled) {
6875 return -EINVAL;
6876 }
6877 readConfigRid(local, 1);
6878 if(vwrq->flags & IW_RETRY_LIMIT) {
6879 __le16 v = cpu_to_le16(vwrq->value);
6880 if(vwrq->flags & IW_RETRY_LONG)
6881 local->config.longRetryLimit = v;
6882 else if (vwrq->flags & IW_RETRY_SHORT)
6883 local->config.shortRetryLimit = v;
6884 else {
6885 /* No modifier : set both */
6886 local->config.longRetryLimit = v;
6887 local->config.shortRetryLimit = v;
6888 }
6889 set_bit (FLAG_COMMIT, &local->flags);
6890 rc = -EINPROGRESS; /* Call commit handler */
6891 }
6892 if(vwrq->flags & IW_RETRY_LIFETIME) {
6893 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6894 set_bit (FLAG_COMMIT, &local->flags);
6895 rc = -EINPROGRESS; /* Call commit handler */
6896 }
6897 return rc;
6898 }
6899
6900 /*------------------------------------------------------------------*/
6901 /*
6902 * Wireless Handler : get Retry limits
6903 */
6904 static int airo_get_retry(struct net_device *dev,
6905 struct iw_request_info *info,
6906 struct iw_param *vwrq,
6907 char *extra)
6908 {
6909 struct airo_info *local = dev->ml_priv;
6910
6911 vwrq->disabled = 0; /* Can't be disabled */
6912
6913 readConfigRid(local, 1);
6914 /* Note : by default, display the min retry number */
6915 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6916 vwrq->flags = IW_RETRY_LIFETIME;
6917 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6918 } else if((vwrq->flags & IW_RETRY_LONG)) {
6919 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6920 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6921 } else {
6922 vwrq->flags = IW_RETRY_LIMIT;
6923 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6924 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6925 vwrq->flags |= IW_RETRY_SHORT;
6926 }
6927
6928 return 0;
6929 }
6930
6931 /*------------------------------------------------------------------*/
6932 /*
6933 * Wireless Handler : get range info
6934 */
6935 static int airo_get_range(struct net_device *dev,
6936 struct iw_request_info *info,
6937 struct iw_point *dwrq,
6938 char *extra)
6939 {
6940 struct airo_info *local = dev->ml_priv;
6941 struct iw_range *range = (struct iw_range *) extra;
6942 CapabilityRid cap_rid; /* Card capability info */
6943 int i;
6944 int k;
6945
6946 readCapabilityRid(local, &cap_rid, 1);
6947
6948 dwrq->length = sizeof(struct iw_range);
6949 memset(range, 0, sizeof(*range));
6950 range->min_nwid = 0x0000;
6951 range->max_nwid = 0x0000;
6952 range->num_channels = 14;
6953 /* Should be based on cap_rid.country to give only
6954 * what the current card support */
6955 k = 0;
6956 for(i = 0; i < 14; i++) {
6957 range->freq[k].i = i + 1; /* List index */
6958 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6959 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6960 }
6961 range->num_frequency = k;
6962
6963 range->sensitivity = 65535;
6964
6965 /* Hum... Should put the right values there */
6966 if (local->rssi)
6967 range->max_qual.qual = 100; /* % */
6968 else
6969 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6970 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6971 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6972
6973 /* Experimental measurements - boundary 11/5.5 Mb/s */
6974 /* Note : with or without the (local->rssi), results
6975 * are somewhat different. - Jean II */
6976 if (local->rssi) {
6977 range->avg_qual.qual = 50; /* % */
6978 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6979 } else {
6980 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6981 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6982 }
6983 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6984
6985 for(i = 0 ; i < 8 ; i++) {
6986 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6987 if(range->bitrate[i] == 0)
6988 break;
6989 }
6990 range->num_bitrates = i;
6991
6992 /* Set an indication of the max TCP throughput
6993 * in bit/s that we can expect using this interface.
6994 * May be use for QoS stuff... Jean II */
6995 if(i > 2)
6996 range->throughput = 5000 * 1000;
6997 else
6998 range->throughput = 1500 * 1000;
6999
7000 range->min_rts = 0;
7001 range->max_rts = AIRO_DEF_MTU;
7002 range->min_frag = 256;
7003 range->max_frag = AIRO_DEF_MTU;
7004
7005 if(cap_rid.softCap & cpu_to_le16(2)) {
7006 // WEP: RC4 40 bits
7007 range->encoding_size[0] = 5;
7008 // RC4 ~128 bits
7009 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7010 range->encoding_size[1] = 13;
7011 range->num_encoding_sizes = 2;
7012 } else
7013 range->num_encoding_sizes = 1;
7014 range->max_encoding_tokens =
7015 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7016 } else {
7017 range->num_encoding_sizes = 0;
7018 range->max_encoding_tokens = 0;
7019 }
7020 range->min_pmp = 0;
7021 range->max_pmp = 5000000; /* 5 secs */
7022 range->min_pmt = 0;
7023 range->max_pmt = 65535 * 1024; /* ??? */
7024 range->pmp_flags = IW_POWER_PERIOD;
7025 range->pmt_flags = IW_POWER_TIMEOUT;
7026 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7027
7028 /* Transmit Power - values are in mW */
7029 for(i = 0 ; i < 8 ; i++) {
7030 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7031 if(range->txpower[i] == 0)
7032 break;
7033 }
7034 range->num_txpower = i;
7035 range->txpower_capa = IW_TXPOW_MWATT;
7036 range->we_version_source = 19;
7037 range->we_version_compiled = WIRELESS_EXT;
7038 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7039 range->retry_flags = IW_RETRY_LIMIT;
7040 range->r_time_flags = IW_RETRY_LIFETIME;
7041 range->min_retry = 1;
7042 range->max_retry = 65535;
7043 range->min_r_time = 1024;
7044 range->max_r_time = 65535 * 1024;
7045
7046 /* Event capability (kernel + driver) */
7047 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7048 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7049 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7050 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7051 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7052 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7053 return 0;
7054 }
7055
7056 /*------------------------------------------------------------------*/
7057 /*
7058 * Wireless Handler : set Power Management
7059 */
7060 static int airo_set_power(struct net_device *dev,
7061 struct iw_request_info *info,
7062 struct iw_param *vwrq,
7063 char *extra)
7064 {
7065 struct airo_info *local = dev->ml_priv;
7066
7067 readConfigRid(local, 1);
7068 if (vwrq->disabled) {
7069 if (sniffing_mode(local))
7070 return -EINVAL;
7071 local->config.powerSaveMode = POWERSAVE_CAM;
7072 local->config.rmode &= ~RXMODE_MASK;
7073 local->config.rmode |= RXMODE_BC_MC_ADDR;
7074 set_bit (FLAG_COMMIT, &local->flags);
7075 return -EINPROGRESS; /* Call commit handler */
7076 }
7077 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7078 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7079 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7080 set_bit (FLAG_COMMIT, &local->flags);
7081 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7082 local->config.fastListenInterval =
7083 local->config.listenInterval =
7084 cpu_to_le16((vwrq->value + 500) / 1024);
7085 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7086 set_bit (FLAG_COMMIT, &local->flags);
7087 }
7088 switch (vwrq->flags & IW_POWER_MODE) {
7089 case IW_POWER_UNICAST_R:
7090 if (sniffing_mode(local))
7091 return -EINVAL;
7092 local->config.rmode &= ~RXMODE_MASK;
7093 local->config.rmode |= RXMODE_ADDR;
7094 set_bit (FLAG_COMMIT, &local->flags);
7095 break;
7096 case IW_POWER_ALL_R:
7097 if (sniffing_mode(local))
7098 return -EINVAL;
7099 local->config.rmode &= ~RXMODE_MASK;
7100 local->config.rmode |= RXMODE_BC_MC_ADDR;
7101 set_bit (FLAG_COMMIT, &local->flags);
7102 case IW_POWER_ON:
7103 /* This is broken, fixme ;-) */
7104 break;
7105 default:
7106 return -EINVAL;
7107 }
7108 // Note : we may want to factor local->need_commit here
7109 // Note2 : may also want to factor RXMODE_RFMON test
7110 return -EINPROGRESS; /* Call commit handler */
7111 }
7112
7113 /*------------------------------------------------------------------*/
7114 /*
7115 * Wireless Handler : get Power Management
7116 */
7117 static int airo_get_power(struct net_device *dev,
7118 struct iw_request_info *info,
7119 struct iw_param *vwrq,
7120 char *extra)
7121 {
7122 struct airo_info *local = dev->ml_priv;
7123 __le16 mode;
7124
7125 readConfigRid(local, 1);
7126 mode = local->config.powerSaveMode;
7127 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7128 return 0;
7129 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7130 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7131 vwrq->flags = IW_POWER_TIMEOUT;
7132 } else {
7133 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7134 vwrq->flags = IW_POWER_PERIOD;
7135 }
7136 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7137 vwrq->flags |= IW_POWER_UNICAST_R;
7138 else
7139 vwrq->flags |= IW_POWER_ALL_R;
7140
7141 return 0;
7142 }
7143
7144 /*------------------------------------------------------------------*/
7145 /*
7146 * Wireless Handler : set Sensitivity
7147 */
7148 static int airo_set_sens(struct net_device *dev,
7149 struct iw_request_info *info,
7150 struct iw_param *vwrq,
7151 char *extra)
7152 {
7153 struct airo_info *local = dev->ml_priv;
7154
7155 readConfigRid(local, 1);
7156 local->config.rssiThreshold =
7157 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7158 set_bit (FLAG_COMMIT, &local->flags);
7159
7160 return -EINPROGRESS; /* Call commit handler */
7161 }
7162
7163 /*------------------------------------------------------------------*/
7164 /*
7165 * Wireless Handler : get Sensitivity
7166 */
7167 static int airo_get_sens(struct net_device *dev,
7168 struct iw_request_info *info,
7169 struct iw_param *vwrq,
7170 char *extra)
7171 {
7172 struct airo_info *local = dev->ml_priv;
7173
7174 readConfigRid(local, 1);
7175 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7176 vwrq->disabled = (vwrq->value == 0);
7177 vwrq->fixed = 1;
7178
7179 return 0;
7180 }
7181
7182 /*------------------------------------------------------------------*/
7183 /*
7184 * Wireless Handler : get AP List
7185 * Note : this is deprecated in favor of IWSCAN
7186 */
7187 static int airo_get_aplist(struct net_device *dev,
7188 struct iw_request_info *info,
7189 struct iw_point *dwrq,
7190 char *extra)
7191 {
7192 struct airo_info *local = dev->ml_priv;
7193 struct sockaddr *address = (struct sockaddr *) extra;
7194 struct iw_quality *qual;
7195 BSSListRid BSSList;
7196 int i;
7197 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7198
7199 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7200 if (!qual)
7201 return -ENOMEM;
7202
7203 for (i = 0; i < IW_MAX_AP; i++) {
7204 u16 dBm;
7205 if (readBSSListRid(local, loseSync, &BSSList))
7206 break;
7207 loseSync = 0;
7208 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7209 address[i].sa_family = ARPHRD_ETHER;
7210 dBm = le16_to_cpu(BSSList.dBm);
7211 if (local->rssi) {
7212 qual[i].level = 0x100 - dBm;
7213 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7214 qual[i].updated = IW_QUAL_QUAL_UPDATED
7215 | IW_QUAL_LEVEL_UPDATED
7216 | IW_QUAL_DBM;
7217 } else {
7218 qual[i].level = (dBm + 321) / 2;
7219 qual[i].qual = 0;
7220 qual[i].updated = IW_QUAL_QUAL_INVALID
7221 | IW_QUAL_LEVEL_UPDATED
7222 | IW_QUAL_DBM;
7223 }
7224 qual[i].noise = local->wstats.qual.noise;
7225 if (BSSList.index == cpu_to_le16(0xffff))
7226 break;
7227 }
7228 if (!i) {
7229 StatusRid status_rid; /* Card status info */
7230 readStatusRid(local, &status_rid, 1);
7231 for (i = 0;
7232 i < min(IW_MAX_AP, 4) &&
7233 (status_rid.bssid[i][0]
7234 & status_rid.bssid[i][1]
7235 & status_rid.bssid[i][2]
7236 & status_rid.bssid[i][3]
7237 & status_rid.bssid[i][4]
7238 & status_rid.bssid[i][5])!=0xff &&
7239 (status_rid.bssid[i][0]
7240 | status_rid.bssid[i][1]
7241 | status_rid.bssid[i][2]
7242 | status_rid.bssid[i][3]
7243 | status_rid.bssid[i][4]
7244 | status_rid.bssid[i][5]);
7245 i++) {
7246 memcpy(address[i].sa_data,
7247 status_rid.bssid[i], ETH_ALEN);
7248 address[i].sa_family = ARPHRD_ETHER;
7249 }
7250 } else {
7251 dwrq->flags = 1; /* Should be define'd */
7252 memcpy(extra + sizeof(struct sockaddr)*i,
7253 &qual, sizeof(struct iw_quality)*i);
7254 }
7255 dwrq->length = i;
7256
7257 kfree(qual);
7258 return 0;
7259 }
7260
7261 /*------------------------------------------------------------------*/
7262 /*
7263 * Wireless Handler : Initiate Scan
7264 */
7265 static int airo_set_scan(struct net_device *dev,
7266 struct iw_request_info *info,
7267 struct iw_point *dwrq,
7268 char *extra)
7269 {
7270 struct airo_info *ai = dev->ml_priv;
7271 Cmd cmd;
7272 Resp rsp;
7273 int wake = 0;
7274
7275 /* Note : you may have realised that, as this is a SET operation,
7276 * this is privileged and therefore a normal user can't
7277 * perform scanning.
7278 * This is not an error, while the device perform scanning,
7279 * traffic doesn't flow, so it's a perfect DoS...
7280 * Jean II */
7281 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7282
7283 if (down_interruptible(&ai->sem))
7284 return -ERESTARTSYS;
7285
7286 /* If there's already a scan in progress, don't
7287 * trigger another one. */
7288 if (ai->scan_timeout > 0)
7289 goto out;
7290
7291 /* Initiate a scan command */
7292 ai->scan_timeout = RUN_AT(3*HZ);
7293 memset(&cmd, 0, sizeof(cmd));
7294 cmd.cmd=CMD_LISTBSS;
7295 issuecommand(ai, &cmd, &rsp);
7296 wake = 1;
7297
7298 out:
7299 up(&ai->sem);
7300 if (wake)
7301 wake_up_interruptible(&ai->thr_wait);
7302 return 0;
7303 }
7304
7305 /*------------------------------------------------------------------*/
7306 /*
7307 * Translate scan data returned from the card to a card independent
7308 * format that the Wireless Tools will understand - Jean II
7309 */
7310 static inline char *airo_translate_scan(struct net_device *dev,
7311 struct iw_request_info *info,
7312 char *current_ev,
7313 char *end_buf,
7314 BSSListRid *bss)
7315 {
7316 struct airo_info *ai = dev->ml_priv;
7317 struct iw_event iwe; /* Temporary buffer */
7318 __le16 capabilities;
7319 char * current_val; /* For rates */
7320 int i;
7321 char * buf;
7322 u16 dBm;
7323
7324 /* First entry *MUST* be the AP MAC address */
7325 iwe.cmd = SIOCGIWAP;
7326 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7327 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7328 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7329 &iwe, IW_EV_ADDR_LEN);
7330
7331 /* Other entries will be displayed in the order we give them */
7332
7333 /* Add the ESSID */
7334 iwe.u.data.length = bss->ssidLen;
7335 if(iwe.u.data.length > 32)
7336 iwe.u.data.length = 32;
7337 iwe.cmd = SIOCGIWESSID;
7338 iwe.u.data.flags = 1;
7339 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7340 &iwe, bss->ssid);
7341
7342 /* Add mode */
7343 iwe.cmd = SIOCGIWMODE;
7344 capabilities = bss->cap;
7345 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7346 if(capabilities & CAP_ESS)
7347 iwe.u.mode = IW_MODE_MASTER;
7348 else
7349 iwe.u.mode = IW_MODE_ADHOC;
7350 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7351 &iwe, IW_EV_UINT_LEN);
7352 }
7353
7354 /* Add frequency */
7355 iwe.cmd = SIOCGIWFREQ;
7356 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7357 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7358 iwe.u.freq.e = 1;
7359 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7360 &iwe, IW_EV_FREQ_LEN);
7361
7362 dBm = le16_to_cpu(bss->dBm);
7363
7364 /* Add quality statistics */
7365 iwe.cmd = IWEVQUAL;
7366 if (ai->rssi) {
7367 iwe.u.qual.level = 0x100 - dBm;
7368 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7369 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7370 | IW_QUAL_LEVEL_UPDATED
7371 | IW_QUAL_DBM;
7372 } else {
7373 iwe.u.qual.level = (dBm + 321) / 2;
7374 iwe.u.qual.qual = 0;
7375 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7376 | IW_QUAL_LEVEL_UPDATED
7377 | IW_QUAL_DBM;
7378 }
7379 iwe.u.qual.noise = ai->wstats.qual.noise;
7380 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7381 &iwe, IW_EV_QUAL_LEN);
7382
7383 /* Add encryption capability */
7384 iwe.cmd = SIOCGIWENCODE;
7385 if(capabilities & CAP_PRIVACY)
7386 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7387 else
7388 iwe.u.data.flags = IW_ENCODE_DISABLED;
7389 iwe.u.data.length = 0;
7390 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7391 &iwe, bss->ssid);
7392
7393 /* Rate : stuffing multiple values in a single event require a bit
7394 * more of magic - Jean II */
7395 current_val = current_ev + iwe_stream_lcp_len(info);
7396
7397 iwe.cmd = SIOCGIWRATE;
7398 /* Those two flags are ignored... */
7399 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7400 /* Max 8 values */
7401 for(i = 0 ; i < 8 ; i++) {
7402 /* NULL terminated */
7403 if(bss->rates[i] == 0)
7404 break;
7405 /* Bit rate given in 500 kb/s units (+ 0x80) */
7406 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7407 /* Add new value to event */
7408 current_val = iwe_stream_add_value(info, current_ev,
7409 current_val, end_buf,
7410 &iwe, IW_EV_PARAM_LEN);
7411 }
7412 /* Check if we added any event */
7413 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7414 current_ev = current_val;
7415
7416 /* Beacon interval */
7417 buf = kmalloc(30, GFP_KERNEL);
7418 if (buf) {
7419 iwe.cmd = IWEVCUSTOM;
7420 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7421 iwe.u.data.length = strlen(buf);
7422 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7423 &iwe, buf);
7424 kfree(buf);
7425 }
7426
7427 /* Put WPA/RSN Information Elements into the event stream */
7428 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7429 unsigned int num_null_ies = 0;
7430 u16 length = sizeof (bss->extra.iep);
7431 u8 *ie = (void *)&bss->extra.iep;
7432
7433 while ((length >= 2) && (num_null_ies < 2)) {
7434 if (2 + ie[1] > length) {
7435 /* Invalid element, don't continue parsing IE */
7436 break;
7437 }
7438
7439 switch (ie[0]) {
7440 case WLAN_EID_SSID:
7441 /* Two zero-length SSID elements
7442 * mean we're done parsing elements */
7443 if (!ie[1])
7444 num_null_ies++;
7445 break;
7446
7447 case WLAN_EID_GENERIC:
7448 if (ie[1] >= 4 &&
7449 ie[2] == 0x00 &&
7450 ie[3] == 0x50 &&
7451 ie[4] == 0xf2 &&
7452 ie[5] == 0x01) {
7453 iwe.cmd = IWEVGENIE;
7454 /* 64 is an arbitrary cut-off */
7455 iwe.u.data.length = min(ie[1] + 2,
7456 64);
7457 current_ev = iwe_stream_add_point(
7458 info, current_ev,
7459 end_buf, &iwe, ie);
7460 }
7461 break;
7462
7463 case WLAN_EID_RSN:
7464 iwe.cmd = IWEVGENIE;
7465 /* 64 is an arbitrary cut-off */
7466 iwe.u.data.length = min(ie[1] + 2, 64);
7467 current_ev = iwe_stream_add_point(
7468 info, current_ev, end_buf,
7469 &iwe, ie);
7470 break;
7471
7472 default:
7473 break;
7474 }
7475
7476 length -= 2 + ie[1];
7477 ie += 2 + ie[1];
7478 }
7479 }
7480 return current_ev;
7481 }
7482
7483 /*------------------------------------------------------------------*/
7484 /*
7485 * Wireless Handler : Read Scan Results
7486 */
7487 static int airo_get_scan(struct net_device *dev,
7488 struct iw_request_info *info,
7489 struct iw_point *dwrq,
7490 char *extra)
7491 {
7492 struct airo_info *ai = dev->ml_priv;
7493 BSSListElement *net;
7494 int err = 0;
7495 char *current_ev = extra;
7496
7497 /* If a scan is in-progress, return -EAGAIN */
7498 if (ai->scan_timeout > 0)
7499 return -EAGAIN;
7500
7501 if (down_interruptible(&ai->sem))
7502 return -EAGAIN;
7503
7504 list_for_each_entry (net, &ai->network_list, list) {
7505 /* Translate to WE format this entry */
7506 current_ev = airo_translate_scan(dev, info, current_ev,
7507 extra + dwrq->length,
7508 &net->bss);
7509
7510 /* Check if there is space for one more entry */
7511 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7512 /* Ask user space to try again with a bigger buffer */
7513 err = -E2BIG;
7514 goto out;
7515 }
7516 }
7517
7518 /* Length of data */
7519 dwrq->length = (current_ev - extra);
7520 dwrq->flags = 0; /* todo */
7521
7522 out:
7523 up(&ai->sem);
7524 return err;
7525 }
7526
7527 /*------------------------------------------------------------------*/
7528 /*
7529 * Commit handler : called after a bunch of SET operations
7530 */
7531 static int airo_config_commit(struct net_device *dev,
7532 struct iw_request_info *info, /* NULL */
7533 void *zwrq, /* NULL */
7534 char *extra) /* NULL */
7535 {
7536 struct airo_info *local = dev->ml_priv;
7537
7538 if (!test_bit (FLAG_COMMIT, &local->flags))
7539 return 0;
7540
7541 /* Some of the "SET" function may have modified some of the
7542 * parameters. It's now time to commit them in the card */
7543 disable_MAC(local, 1);
7544 if (test_bit (FLAG_RESET, &local->flags)) {
7545 APListRid APList_rid;
7546 SsidRid SSID_rid;
7547
7548 readAPListRid(local, &APList_rid);
7549 readSsidRid(local, &SSID_rid);
7550 if (test_bit(FLAG_MPI,&local->flags))
7551 setup_card(local, dev->dev_addr, 1 );
7552 else
7553 reset_airo_card(dev);
7554 disable_MAC(local, 1);
7555 writeSsidRid(local, &SSID_rid, 1);
7556 writeAPListRid(local, &APList_rid, 1);
7557 }
7558 if (down_interruptible(&local->sem))
7559 return -ERESTARTSYS;
7560 writeConfigRid(local, 0);
7561 enable_MAC(local, 0);
7562 if (test_bit (FLAG_RESET, &local->flags))
7563 airo_set_promisc(local);
7564 else
7565 up(&local->sem);
7566
7567 return 0;
7568 }
7569
7570 /*------------------------------------------------------------------*/
7571 /*
7572 * Structures to export the Wireless Handlers
7573 */
7574
7575 static const struct iw_priv_args airo_private_args[] = {
7576 /*{ cmd, set_args, get_args, name } */
7577 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7578 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7579 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7580 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7581 };
7582
7583 static const iw_handler airo_handler[] =
7584 {
7585 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7586 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7587 (iw_handler) NULL, /* SIOCSIWNWID */
7588 (iw_handler) NULL, /* SIOCGIWNWID */
7589 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7590 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7591 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7592 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7593 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7594 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7595 (iw_handler) NULL, /* SIOCSIWRANGE */
7596 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7597 (iw_handler) NULL, /* SIOCSIWPRIV */
7598 (iw_handler) NULL, /* SIOCGIWPRIV */
7599 (iw_handler) NULL, /* SIOCSIWSTATS */
7600 (iw_handler) NULL, /* SIOCGIWSTATS */
7601 iw_handler_set_spy, /* SIOCSIWSPY */
7602 iw_handler_get_spy, /* SIOCGIWSPY */
7603 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7604 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7605 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7606 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7607 (iw_handler) NULL, /* -- hole -- */
7608 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7609 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7610 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7611 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7612 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7613 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7614 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7615 (iw_handler) NULL, /* -- hole -- */
7616 (iw_handler) NULL, /* -- hole -- */
7617 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7618 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7619 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7620 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7621 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7622 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7623 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7624 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7625 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7626 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7627 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7628 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7629 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7630 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7631 (iw_handler) NULL, /* -- hole -- */
7632 (iw_handler) NULL, /* -- hole -- */
7633 (iw_handler) NULL, /* SIOCSIWGENIE */
7634 (iw_handler) NULL, /* SIOCGIWGENIE */
7635 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7636 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7637 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7638 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7639 (iw_handler) NULL, /* SIOCSIWPMKSA */
7640 };
7641
7642 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7643 * We want to force the use of the ioctl code, because those can't be
7644 * won't work the iw_handler code (because they simultaneously read
7645 * and write data and iw_handler can't do that).
7646 * Note that it's perfectly legal to read/write on a single ioctl command,
7647 * you just can't use iwpriv and need to force it via the ioctl handler.
7648 * Jean II */
7649 static const iw_handler airo_private_handler[] =
7650 {
7651 NULL, /* SIOCIWFIRSTPRIV */
7652 };
7653
7654 static const struct iw_handler_def airo_handler_def =
7655 {
7656 .num_standard = ARRAY_SIZE(airo_handler),
7657 .num_private = ARRAY_SIZE(airo_private_handler),
7658 .num_private_args = ARRAY_SIZE(airo_private_args),
7659 .standard = airo_handler,
7660 .private = airo_private_handler,
7661 .private_args = airo_private_args,
7662 .get_wireless_stats = airo_get_wireless_stats,
7663 };
7664
7665 /*
7666 * This defines the configuration part of the Wireless Extensions
7667 * Note : irq and spinlock protection will occur in the subroutines
7668 *
7669 * TODO :
7670 * o Check input value more carefully and fill correct values in range
7671 * o Test and shakeout the bugs (if any)
7672 *
7673 * Jean II
7674 *
7675 * Javier Achirica did a great job of merging code from the unnamed CISCO
7676 * developer that added support for flashing the card.
7677 */
7678 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7679 {
7680 int rc = 0;
7681 struct airo_info *ai = dev->ml_priv;
7682
7683 if (ai->power.event)
7684 return 0;
7685
7686 switch (cmd) {
7687 #ifdef CISCO_EXT
7688 case AIROIDIFC:
7689 #ifdef AIROOLDIDIFC
7690 case AIROOLDIDIFC:
7691 #endif
7692 {
7693 int val = AIROMAGIC;
7694 aironet_ioctl com;
7695 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7696 rc = -EFAULT;
7697 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7698 rc = -EFAULT;
7699 }
7700 break;
7701
7702 case AIROIOCTL:
7703 #ifdef AIROOLDIOCTL
7704 case AIROOLDIOCTL:
7705 #endif
7706 /* Get the command struct and hand it off for evaluation by
7707 * the proper subfunction
7708 */
7709 {
7710 aironet_ioctl com;
7711 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7712 rc = -EFAULT;
7713 break;
7714 }
7715
7716 /* Separate R/W functions bracket legality here
7717 */
7718 if ( com.command == AIRORSWVERSION ) {
7719 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7720 rc = -EFAULT;
7721 else
7722 rc = 0;
7723 }
7724 else if ( com.command <= AIRORRID)
7725 rc = readrids(dev,&com);
7726 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7727 rc = writerids(dev,&com);
7728 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7729 rc = flashcard(dev,&com);
7730 else
7731 rc = -EINVAL; /* Bad command in ioctl */
7732 }
7733 break;
7734 #endif /* CISCO_EXT */
7735
7736 // All other calls are currently unsupported
7737 default:
7738 rc = -EOPNOTSUPP;
7739 }
7740 return rc;
7741 }
7742
7743 /*
7744 * Get the Wireless stats out of the driver
7745 * Note : irq and spinlock protection will occur in the subroutines
7746 *
7747 * TODO :
7748 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7749 *
7750 * Jean
7751 */
7752 static void airo_read_wireless_stats(struct airo_info *local)
7753 {
7754 StatusRid status_rid;
7755 StatsRid stats_rid;
7756 CapabilityRid cap_rid;
7757 __le32 *vals = stats_rid.vals;
7758
7759 /* Get stats out of the card */
7760 clear_bit(JOB_WSTATS, &local->jobs);
7761 if (local->power.event) {
7762 up(&local->sem);
7763 return;
7764 }
7765 readCapabilityRid(local, &cap_rid, 0);
7766 readStatusRid(local, &status_rid, 0);
7767 readStatsRid(local, &stats_rid, RID_STATS, 0);
7768 up(&local->sem);
7769
7770 /* The status */
7771 local->wstats.status = le16_to_cpu(status_rid.mode);
7772
7773 /* Signal quality and co */
7774 if (local->rssi) {
7775 local->wstats.qual.level =
7776 airo_rssi_to_dbm(local->rssi,
7777 le16_to_cpu(status_rid.sigQuality));
7778 /* normalizedSignalStrength appears to be a percentage */
7779 local->wstats.qual.qual =
7780 le16_to_cpu(status_rid.normalizedSignalStrength);
7781 } else {
7782 local->wstats.qual.level =
7783 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7784 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7785 }
7786 if (le16_to_cpu(status_rid.len) >= 124) {
7787 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7788 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7789 } else {
7790 local->wstats.qual.noise = 0;
7791 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7792 }
7793
7794 /* Packets discarded in the wireless adapter due to wireless
7795 * specific problems */
7796 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7797 le32_to_cpu(vals[57]) +
7798 le32_to_cpu(vals[58]); /* SSID Mismatch */
7799 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7800 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7801 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7802 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7803 le32_to_cpu(vals[32]);
7804 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7805 }
7806
7807 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7808 {
7809 struct airo_info *local = dev->ml_priv;
7810
7811 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7812 /* Get stats out of the card if available */
7813 if (down_trylock(&local->sem) != 0) {
7814 set_bit(JOB_WSTATS, &local->jobs);
7815 wake_up_interruptible(&local->thr_wait);
7816 } else
7817 airo_read_wireless_stats(local);
7818 }
7819
7820 return &local->wstats;
7821 }
7822
7823 #ifdef CISCO_EXT
7824 /*
7825 * This just translates from driver IOCTL codes to the command codes to
7826 * feed to the radio's host interface. Things can be added/deleted
7827 * as needed. This represents the READ side of control I/O to
7828 * the card
7829 */
7830 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7831 unsigned short ridcode;
7832 unsigned char *iobuf;
7833 int len;
7834 struct airo_info *ai = dev->ml_priv;
7835
7836 if (test_bit(FLAG_FLASHING, &ai->flags))
7837 return -EIO;
7838
7839 switch(comp->command)
7840 {
7841 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7842 case AIROGCFG: ridcode = RID_CONFIG;
7843 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7844 disable_MAC (ai, 1);
7845 writeConfigRid (ai, 1);
7846 enable_MAC(ai, 1);
7847 }
7848 break;
7849 case AIROGSLIST: ridcode = RID_SSID; break;
7850 case AIROGVLIST: ridcode = RID_APLIST; break;
7851 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7852 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7853 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7854 /* Only super-user can read WEP keys */
7855 if (!capable(CAP_NET_ADMIN))
7856 return -EPERM;
7857 break;
7858 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7859 /* Only super-user can read WEP keys */
7860 if (!capable(CAP_NET_ADMIN))
7861 return -EPERM;
7862 break;
7863 case AIROGSTAT: ridcode = RID_STATUS; break;
7864 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7865 case AIROGSTATSC32: ridcode = RID_STATS; break;
7866 case AIROGMICSTATS:
7867 if (copy_to_user(comp->data, &ai->micstats,
7868 min((int)comp->len,(int)sizeof(ai->micstats))))
7869 return -EFAULT;
7870 return 0;
7871 case AIRORRID: ridcode = comp->ridnum; break;
7872 default:
7873 return -EINVAL;
7874 break;
7875 }
7876
7877 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7878 return -ENOMEM;
7879
7880 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7881 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7882 * then return it to the user
7883 * 9/22/2000 Honor user given length
7884 */
7885 len = comp->len;
7886
7887 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7888 kfree (iobuf);
7889 return -EFAULT;
7890 }
7891 kfree (iobuf);
7892 return 0;
7893 }
7894
7895 /*
7896 * Danger Will Robinson write the rids here
7897 */
7898
7899 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7900 struct airo_info *ai = dev->ml_priv;
7901 int ridcode;
7902 int enabled;
7903 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7904 unsigned char *iobuf;
7905
7906 /* Only super-user can write RIDs */
7907 if (!capable(CAP_NET_ADMIN))
7908 return -EPERM;
7909
7910 if (test_bit(FLAG_FLASHING, &ai->flags))
7911 return -EIO;
7912
7913 ridcode = 0;
7914 writer = do_writerid;
7915
7916 switch(comp->command)
7917 {
7918 case AIROPSIDS: ridcode = RID_SSID; break;
7919 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7920 case AIROPAPLIST: ridcode = RID_APLIST; break;
7921 case AIROPCFG: ai->config.len = 0;
7922 clear_bit(FLAG_COMMIT, &ai->flags);
7923 ridcode = RID_CONFIG; break;
7924 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7925 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7926 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7927 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7928 break;
7929 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7930 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7931
7932 /* this is not really a rid but a command given to the card
7933 * same with MAC off
7934 */
7935 case AIROPMACON:
7936 if (enable_MAC(ai, 1) != 0)
7937 return -EIO;
7938 return 0;
7939
7940 /*
7941 * Evidently this code in the airo driver does not get a symbol
7942 * as disable_MAC. it's probably so short the compiler does not gen one.
7943 */
7944 case AIROPMACOFF:
7945 disable_MAC(ai, 1);
7946 return 0;
7947
7948 /* This command merely clears the counts does not actually store any data
7949 * only reads rid. But as it changes the cards state, I put it in the
7950 * writerid routines.
7951 */
7952 case AIROPSTCLR:
7953 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7954 return -ENOMEM;
7955
7956 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7957
7958 enabled = ai->micstats.enabled;
7959 memset(&ai->micstats,0,sizeof(ai->micstats));
7960 ai->micstats.enabled = enabled;
7961
7962 if (copy_to_user(comp->data, iobuf,
7963 min((int)comp->len, (int)RIDSIZE))) {
7964 kfree (iobuf);
7965 return -EFAULT;
7966 }
7967 kfree (iobuf);
7968 return 0;
7969
7970 default:
7971 return -EOPNOTSUPP; /* Blarg! */
7972 }
7973 if(comp->len > RIDSIZE)
7974 return -EINVAL;
7975
7976 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7977 return -ENOMEM;
7978
7979 if (copy_from_user(iobuf,comp->data,comp->len)) {
7980 kfree (iobuf);
7981 return -EFAULT;
7982 }
7983
7984 if (comp->command == AIROPCFG) {
7985 ConfigRid *cfg = (ConfigRid *)iobuf;
7986
7987 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7988 cfg->opmode |= MODE_MIC;
7989
7990 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7991 set_bit (FLAG_ADHOC, &ai->flags);
7992 else
7993 clear_bit (FLAG_ADHOC, &ai->flags);
7994 }
7995
7996 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7997 kfree (iobuf);
7998 return -EIO;
7999 }
8000 kfree (iobuf);
8001 return 0;
8002 }
8003
8004 /*****************************************************************************
8005 * Ancillary flash / mod functions much black magic lurkes here *
8006 *****************************************************************************
8007 */
8008
8009 /*
8010 * Flash command switch table
8011 */
8012
8013 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8014 int z;
8015
8016 /* Only super-user can modify flash */
8017 if (!capable(CAP_NET_ADMIN))
8018 return -EPERM;
8019
8020 switch(comp->command)
8021 {
8022 case AIROFLSHRST:
8023 return cmdreset((struct airo_info *)dev->ml_priv);
8024
8025 case AIROFLSHSTFL:
8026 if (!AIRO_FLASH(dev) &&
8027 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8028 return -ENOMEM;
8029 return setflashmode((struct airo_info *)dev->ml_priv);
8030
8031 case AIROFLSHGCHR: /* Get char from aux */
8032 if(comp->len != sizeof(int))
8033 return -EINVAL;
8034 if (copy_from_user(&z,comp->data,comp->len))
8035 return -EFAULT;
8036 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8037
8038 case AIROFLSHPCHR: /* Send char to card. */
8039 if(comp->len != sizeof(int))
8040 return -EINVAL;
8041 if (copy_from_user(&z,comp->data,comp->len))
8042 return -EFAULT;
8043 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8044
8045 case AIROFLPUTBUF: /* Send 32k to card */
8046 if (!AIRO_FLASH(dev))
8047 return -ENOMEM;
8048 if(comp->len > FLASHSIZE)
8049 return -EINVAL;
8050 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8051 return -EFAULT;
8052
8053 flashputbuf((struct airo_info *)dev->ml_priv);
8054 return 0;
8055
8056 case AIRORESTART:
8057 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8058 return -EIO;
8059 return 0;
8060 }
8061 return -EINVAL;
8062 }
8063
8064 #define FLASH_COMMAND 0x7e7e
8065
8066 /*
8067 * STEP 1)
8068 * Disable MAC and do soft reset on
8069 * card.
8070 */
8071
8072 static int cmdreset(struct airo_info *ai) {
8073 disable_MAC(ai, 1);
8074
8075 if(!waitbusy (ai)){
8076 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8077 return -EBUSY;
8078 }
8079
8080 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8081
8082 ssleep(1); /* WAS 600 12/7/00 */
8083
8084 if(!waitbusy (ai)){
8085 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8086 return -EBUSY;
8087 }
8088 return 0;
8089 }
8090
8091 /* STEP 2)
8092 * Put the card in legendary flash
8093 * mode
8094 */
8095
8096 static int setflashmode (struct airo_info *ai) {
8097 set_bit (FLAG_FLASHING, &ai->flags);
8098
8099 OUT4500(ai, SWS0, FLASH_COMMAND);
8100 OUT4500(ai, SWS1, FLASH_COMMAND);
8101 if (probe) {
8102 OUT4500(ai, SWS0, FLASH_COMMAND);
8103 OUT4500(ai, COMMAND,0x10);
8104 } else {
8105 OUT4500(ai, SWS2, FLASH_COMMAND);
8106 OUT4500(ai, SWS3, FLASH_COMMAND);
8107 OUT4500(ai, COMMAND,0);
8108 }
8109 msleep(500); /* 500ms delay */
8110
8111 if(!waitbusy(ai)) {
8112 clear_bit (FLAG_FLASHING, &ai->flags);
8113 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8114 return -EIO;
8115 }
8116 return 0;
8117 }
8118
8119 /* Put character to SWS0 wait for dwelltime
8120 * x 50us for echo .
8121 */
8122
8123 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8124 int echo;
8125 int waittime;
8126
8127 byte |= 0x8000;
8128
8129 if(dwelltime == 0 )
8130 dwelltime = 200;
8131
8132 waittime=dwelltime;
8133
8134 /* Wait for busy bit d15 to go false indicating buffer empty */
8135 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8136 udelay (50);
8137 waittime -= 50;
8138 }
8139
8140 /* timeout for busy clear wait */
8141 if(waittime <= 0 ){
8142 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8143 return -EBUSY;
8144 }
8145
8146 /* Port is clear now write byte and wait for it to echo back */
8147 do {
8148 OUT4500(ai,SWS0,byte);
8149 udelay(50);
8150 dwelltime -= 50;
8151 echo = IN4500(ai,SWS1);
8152 } while (dwelltime >= 0 && echo != byte);
8153
8154 OUT4500(ai,SWS1,0);
8155
8156 return (echo == byte) ? 0 : -EIO;
8157 }
8158
8159 /*
8160 * Get a character from the card matching matchbyte
8161 * Step 3)
8162 */
8163 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8164 int rchar;
8165 unsigned char rbyte=0;
8166
8167 do {
8168 rchar = IN4500(ai,SWS1);
8169
8170 if(dwelltime && !(0x8000 & rchar)){
8171 dwelltime -= 10;
8172 mdelay(10);
8173 continue;
8174 }
8175 rbyte = 0xff & rchar;
8176
8177 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8178 OUT4500(ai,SWS1,0);
8179 return 0;
8180 }
8181 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8182 break;
8183 OUT4500(ai,SWS1,0);
8184
8185 }while(dwelltime > 0);
8186 return -EIO;
8187 }
8188
8189 /*
8190 * Transfer 32k of firmware data from user buffer to our buffer and
8191 * send to the card
8192 */
8193
8194 static int flashputbuf(struct airo_info *ai){
8195 int nwords;
8196
8197 /* Write stuff */
8198 if (test_bit(FLAG_MPI,&ai->flags))
8199 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8200 else {
8201 OUT4500(ai,AUXPAGE,0x100);
8202 OUT4500(ai,AUXOFF,0);
8203
8204 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8205 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8206 }
8207 }
8208 OUT4500(ai,SWS0,0x8000);
8209
8210 return 0;
8211 }
8212
8213 /*
8214 *
8215 */
8216 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8217 int i,status;
8218
8219 ssleep(1); /* Added 12/7/00 */
8220 clear_bit (FLAG_FLASHING, &ai->flags);
8221 if (test_bit(FLAG_MPI, &ai->flags)) {
8222 status = mpi_init_descriptors(ai);
8223 if (status != SUCCESS)
8224 return status;
8225 }
8226 status = setup_card(ai, dev->dev_addr, 1);
8227
8228 if (!test_bit(FLAG_MPI,&ai->flags))
8229 for( i = 0; i < MAX_FIDS; i++ ) {
8230 ai->fids[i] = transmit_allocate
8231 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8232 }
8233
8234 ssleep(1); /* Added 12/7/00 */
8235 return status;
8236 }
8237 #endif /* CISCO_EXT */
8238
8239 /*
8240 This program is free software; you can redistribute it and/or
8241 modify it under the terms of the GNU General Public License
8242 as published by the Free Software Foundation; either version 2
8243 of the License, or (at your option) any later version.
8244
8245 This program is distributed in the hope that it will be useful,
8246 but WITHOUT ANY WARRANTY; without even the implied warranty of
8247 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8248 GNU General Public License for more details.
8249
8250 In addition:
8251
8252 Redistribution and use in source and binary forms, with or without
8253 modification, are permitted provided that the following conditions
8254 are met:
8255
8256 1. Redistributions of source code must retain the above copyright
8257 notice, this list of conditions and the following disclaimer.
8258 2. Redistributions in binary form must reproduce the above copyright
8259 notice, this list of conditions and the following disclaimer in the
8260 documentation and/or other materials provided with the distribution.
8261 3. The name of the author may not be used to endorse or promote
8262 products derived from this software without specific prior written
8263 permission.
8264
8265 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8266 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8267 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8268 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8269 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8270 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8271 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8272 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8273 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8274 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8275 POSSIBILITY OF SUCH DAMAGE.
8276 */
8277
8278 module_init(airo_init_module);
8279 module_exit(airo_cleanup_module);
Linux with added FPC-III support