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i2c: gpio: fault-injector: refactor incomplete transfer
[linux/fpc-iii.git] / drivers / net / wireless / cisco / airo.c
blob72046e182745dc72d00462285c4d8e55d42a74e5
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 <linux/io.h>
40 #include <asm/unaligned.h>
41
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <linux/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
51
52 #include <net/cfg80211.h>
53 #include <net/iw_handler.h>
54
55 #include "airo.h"
56
57 #define DRV_NAME "airo"
58
59 #ifdef CONFIG_PCI
60 static const struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69 };
70 MODULE_DEVICE_TABLE(pci, card_ids);
71
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
76
77 static struct pci_driver airo_driver = {
78 .name = DRV_NAME,
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84 };
85 #endif /* CONFIG_PCI */
86
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
90
91 #define CISCO_EXT /* enable Cisco extensions */
92 #ifdef CISCO_EXT
93 #include <linux/delay.h>
94 #endif
95
96 /* Hack to do some power saving */
97 #define POWER_ON_DOWN
98
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105 #define IGNLABEL(comment) NULL
106 static const char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208 #ifndef RUN_AT
209 #define RUN_AT(x) (jiffies+(x))
210 #endif
211
212
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217 static int rates[8];
218 static char *ssids[3];
219
220 static int io[4];
221 static int irq[4];
222
223 static
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230 static int adhoc;
231
232 static int probe = 1;
233
234 static kuid_t proc_kuid;
235 static int proc_uid /* = 0 */;
236
237 static kgid_t proc_kgid;
238 static int proc_gid /* = 0 */;
239
240 static int airo_perm = 0555;
241
242 static int proc_perm = 0644;
243
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_hw_array(io, int, ioport, NULL, 0);
250 module_param_hw_array(irq, int, irq, NULL, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
286
287 /* Return codes */
288 #define SUCCESS 0
289 #define ERROR -1
290 #define NO_PACKET -2
291
292 /* Commands */
293 #define NOP2 0x0000
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
306 #define NOP 0x0010
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
329
330 /* Command errors */
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
363
364 /* Registers */
365 #define COMMAND 0x00
366 #define PARAM0 0x02
367 #define PARAM1 0x04
368 #define PARAM2 0x06
369 #define STATUS 0x08
370 #define RESP0 0x0a
371 #define RESP1 0x0c
372 #define RESP2 0x0e
373 #define LINKSTAT 0x10
374 #define SELECT0 0x18
375 #define OFFSET0 0x1c
376 #define RXFID 0x20
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
379 #define DATA0 0x36
380 #define EVSTAT 0x30
381 #define EVINTEN 0x32
382 #define EVACK 0x34
383 #define SWS0 0x28
384 #define SWS1 0x2a
385 #define SWS2 0x2c
386 #define SWS3 0x2e
387 #define AUXPAGE 0x3A
388 #define AUXOFF 0x3C
389 #define AUXDATA 0x3E
390
391 #define FID_TX 1
392 #define FID_RX 2
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
396 #define PKTSIZE 1840
397 #define RIDSIZE 2048
398 /* Size of the transmit queue */
399 #define MAXTXQ 64
400
401 /* BAP selectors */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405 /* Flags */
406 #define COMMAND_BUSY 0x8000
407
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
411
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
414
415 #define EV_CMD 0x10
416 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_RX 0x01
418 #define EV_TX 0x02
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
421 #define EV_LINK 0x80
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #else
432 #define IGNORE_INTS (~STATUS_INTS)
433 #endif
434
435 /* RID TYPES */
436 #define RID_RW 0x20
437
438 /* The RIDs */
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
478
479 typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484 } Cmd;
485
486 typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491 } Resp;
492
493 /*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501 typedef struct WepKeyRid WepKeyRid;
502 struct WepKeyRid {
503 __le16 len;
504 __le16 kindex;
505 u8 mac[ETH_ALEN];
506 __le16 klen;
507 u8 key[16];
508 } __packed;
509
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct Ssid Ssid;
512 struct Ssid {
513 __le16 len;
514 u8 ssid[32];
515 } __packed;
516
517 typedef struct SsidRid SsidRid;
518 struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521 } __packed;
522
523 typedef struct ModulationRid ModulationRid;
524 struct ModulationRid {
525 __le16 len;
526 __le16 modulation;
527 #define MOD_DEFAULT cpu_to_le16(0)
528 #define MOD_CCK cpu_to_le16(1)
529 #define MOD_MOK cpu_to_le16(2)
530 } __packed;
531
532 typedef struct ConfigRid ConfigRid;
533 struct ConfigRid {
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536 #define MODE_STA_IBSS cpu_to_le16(0)
537 #define MODE_STA_ESS cpu_to_le16(1)
538 #define MODE_AP cpu_to_le16(2)
539 #define MODE_AP_RPTR cpu_to_le16(3)
540 #define MODE_CFG_MASK cpu_to_le16(0xff)
541 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557 #define RXMODE_MASK cpu_to_le16(255)
558 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
576 __le16 scanMode;
577 #define SCANMODE_ACTIVE cpu_to_le16(0)
578 #define SCANMODE_PASSIVE cpu_to_le16(1)
579 #define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587 #define AUTH_OPEN cpu_to_le16(0x1)
588 #define AUTH_ENCRYPT cpu_to_le16(0x101)
589 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
590 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602 #define POWERSAVE_CAM cpu_to_le16(0)
603 #define POWERSAVE_PSP cpu_to_le16(1)
604 #define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
620 /*---------- Radio configuration ----------*/
621 __le16 radioType;
622 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
623 #define RADIOTYPE_802_11 cpu_to_le16(1)
624 #define RADIOTYPE_LEGACY cpu_to_le16(2)
625 u8 rxDiversity;
626 u8 txDiversity;
627 __le16 txPower;
628 #define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630 #define RSSI_DEFAULT 0
631 __le16 modulation;
632 #define PREAMBLE_AUTO cpu_to_le16(0)
633 #define PREAMBLE_LONG cpu_to_le16(1)
634 #define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646 #define MAGIC_ACTION_STSCHG 1
647 #define MAGIC_ACTION_RESUME 2
648 #define MAGIC_IGNORE_MCAST (1<<8)
649 #define MAGIC_IGNORE_BCAST (1<<9)
650 #define MAGIC_SWITCH_TO_PSP (0<<10)
651 #define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
653 __le16 autoWake;
654 } __packed;
655
656 typedef struct StatusRid StatusRid;
657 struct StatusRid {
658 __le16 len;
659 u8 mac[ETH_ALEN];
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689 __le16 load;
690 u8 carrier[4];
691 __le16 assocStatus;
692 #define STAT_NOPACKETS 0
693 #define STAT_NOCARRIERSET 10
694 #define STAT_GOTCARRIERSET 11
695 #define STAT_WRONGSSID 20
696 #define STAT_BADCHANNEL 25
697 #define STAT_BADBITRATES 30
698 #define STAT_BADPRIVACY 35
699 #define STAT_APFOUND 40
700 #define STAT_APREJECTED 50
701 #define STAT_AUTHENTICATING 60
702 #define STAT_DEAUTHENTICATED 61
703 #define STAT_AUTHTIMEOUT 62
704 #define STAT_ASSOCIATING 70
705 #define STAT_DEASSOCIATED 71
706 #define STAT_ASSOCTIMEOUT 72
707 #define STAT_NOTAIROAP 73
708 #define STAT_ASSOCIATED 80
709 #define STAT_LEAPING 90
710 #define STAT_LEAPFAILED 91
711 #define STAT_LEAPTIMEDOUT 92
712 #define STAT_LEAPCOMPLETE 93
713 } __packed;
714
715 typedef struct StatsRid StatsRid;
716 struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720 } __packed;
721
722 typedef struct APListRid APListRid;
723 struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726 } __packed;
727
728 typedef struct CapabilityRid CapabilityRid;
729 struct CapabilityRid {
730 __le16 len;
731 char oui[3];
732 char zero;
733 __le16 prodNum;
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
739 __le16 radioType;
740 __le16 country;
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
756 } __packed;
757
758 /* Only present on firmware >= 5.30.17 */
759 typedef struct BSSListRidExtra BSSListRidExtra;
760 struct BSSListRidExtra {
761 __le16 unknown[4];
762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
764 } __packed;
765
766 typedef struct BSSListRid BSSListRid;
767 struct BSSListRid {
768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770 #define RADIO_FH 1 /* Frequency hopping radio type */
771 #define RADIO_DS 2 /* Direct sequence radio type */
772 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
773 __le16 radioType;
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
778 __le16 dBm;
779 #define CAP_ESS cpu_to_le16(1<<0)
780 #define CAP_IBSS cpu_to_le16(1<<1)
781 #define CAP_PRIVACY cpu_to_le16(1<<4)
782 #define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
787 __le16 dwell;
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
793 __le16 dsChannel;
794 __le16 atimWindow;
795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
798 } __packed;
799
800 typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803 } BSSListElement;
804
805 typedef struct tdsRssiEntry tdsRssiEntry;
806 struct tdsRssiEntry {
807 u8 rssipct;
808 u8 rssidBm;
809 } __packed;
810
811 typedef struct tdsRssiRid tdsRssiRid;
812 struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815 } __packed;
816
817 typedef struct MICRid MICRid;
818 struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
822 u8 multicast[16];
823 __le16 unicastValid;
824 u8 unicast[16];
825 } __packed;
826
827 typedef struct MICBuffer MICBuffer;
828 struct MICBuffer {
829 __be16 typelen;
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
841 __be32 mic;
842 __be32 seq;
843 } __packed;
844
845 typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848 } etherHead;
849
850 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
851 #define TXCTL_TXEX (1<<2) /* report if tx fails */
852 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
853 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855 #define TXCTL_LLC (1<<4) /* payload is llc */
856 #define TXCTL_RELEASE (0<<5) /* release after completion */
857 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859 #define BUSY_FID 0x10000
860
861 #ifdef CISCO_EXT
862 #define AIROMAGIC 0xa55a
863 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864 #ifdef SIOCIWFIRSTPRIV
865 #ifdef SIOCDEVPRIVATE
866 #define AIROOLDIOCTL SIOCDEVPRIVATE
867 #define AIROOLDIDIFC AIROOLDIOCTL + 1
868 #endif /* SIOCDEVPRIVATE */
869 #else /* SIOCIWFIRSTPRIV */
870 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871 #endif /* SIOCIWFIRSTPRIV */
872 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876 #define AIROIOCTL SIOCIWFIRSTPRIV
877 #define AIROIDIFC AIROIOCTL + 1
878
879 /* Ioctl constants to be used in airo_ioctl.command */
880
881 #define AIROGCAP 0 // Capability rid
882 #define AIROGCFG 1 // USED A LOT
883 #define AIROGSLIST 2 // System ID list
884 #define AIROGVLIST 3 // List of specified AP's
885 #define AIROGDRVNAM 4 // NOTUSED
886 #define AIROGEHTENC 5 // NOTUSED
887 #define AIROGWEPKTMP 6
888 #define AIROGWEPKNV 7
889 #define AIROGSTAT 8
890 #define AIROGSTATSC32 9
891 #define AIROGSTATSD32 10
892 #define AIROGMICRID 11
893 #define AIROGMICSTATS 12
894 #define AIROGFLAGS 13
895 #define AIROGID 14
896 #define AIRORRID 15
897 #define AIRORSWVERSION 17
898
899 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901 #define AIROPCAP AIROGSTATSD32 + 40
902 #define AIROPVLIST AIROPCAP + 1
903 #define AIROPSLIST AIROPVLIST + 1
904 #define AIROPCFG AIROPSLIST + 1
905 #define AIROPSIDS AIROPCFG + 1
906 #define AIROPAPLIST AIROPSIDS + 1
907 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909 #define AIROPSTCLR AIROPMACOFF + 1
910 #define AIROPWEPKEY AIROPSTCLR + 1
911 #define AIROPWEPKEYNV AIROPWEPKEY + 1
912 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
913 #define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915 /* Flash codes */
916
917 #define AIROFLSHRST AIROPWEPKEYNV + 40
918 #define AIROFLSHGCHR AIROFLSHRST + 1
919 #define AIROFLSHSTFL AIROFLSHGCHR + 1
920 #define AIROFLSHPCHR AIROFLSHSTFL + 1
921 #define AIROFLPUTBUF AIROFLSHPCHR + 1
922 #define AIRORESTART AIROFLPUTBUF + 1
923
924 #define FLASHSIZE 32768
925 #define AUXMEMSIZE (256 * 1024)
926
927 typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932 } aironet_ioctl;
933
934 static const char swversion[] = "2.1";
935 #endif /* CISCO_EXT */
936
937 #define NUM_MODULES 2
938 #define MIC_MSGLEN_MAX 2400
939 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940 #define AIRO_DEF_MTU 2312
941
942 typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951 } mic_statistics;
952
953 typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
959 __be32 d32;
960 } part; // saves partial message word across update() calls
961 } emmh32_context;
962
963 typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970 } miccntx;
971
972 typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975 } mic_module;
976
977 typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982 } Rid;
983
984 typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990 } TxFid;
991
992 struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998 } __packed;
999
1000 typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006 } RxFid;
1007
1008 /*
1009 * Host receive descriptor
1010 */
1011 typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018 } HostRxDesc;
1019
1020 /*
1021 * Host transmit descriptor
1022 */
1023 typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030 } HostTxDesc;
1031
1032 /*
1033 * Host RID descriptor
1034 */
1035 typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041 } HostRidDesc;
1042
1043 typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048 #define HOST_SET (1 << 0)
1049 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055 #define HOST_RTS (1 << 9) /* Force RTS use */
1056 #define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061 } TxCtlHdr;
1062
1063 typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071 } WifiHdr;
1072
1073
1074 typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081 } WifiCtlHdr;
1082
1083 static WifiCtlHdr wifictlhdr8023 = {
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087 };
1088
1089 // A few details needed for WEP (Wireless Equivalent Privacy)
1090 #define MAX_KEY_SIZE 13 // 128 (?) bits
1091 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092 typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095 } wep_key_t;
1096
1097 /* List of Wireless Handlers (new API) */
1098 static const struct iw_handler_def airo_handler_def;
1099
1100 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102 struct airo_info;
1103
1104 static int get_dec_u16( char *buffer, int *start, int limit );
1105 static void OUT4500( struct airo_info *, u16 reg, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 reg );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 int whichbap);
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119 int whichbap);
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1135
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1142 #ifdef CISCO_EXT
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155 static void airo_networks_free(struct airo_info *ai);
1156
1157 struct airo_info {
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162 #define MAX_FIDS 6
1163 #define MPI_MAX_FIDS 1
1164 u32 fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1182 #define FLAG_MPI 11
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189 #define JOB_DIE 0
1190 #define JOB_XMIT 1
1191 #define JOB_XMIT11 2
1192 #define JOB_STATS 3
1193 #define JOB_PROMISC 4
1194 #define JOB_MIC 5
1195 #define JOB_EVENT 6
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1218 /* MIC stuff */
1219 struct crypto_cipher *tfm;
1220 mic_module mod[2];
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1232 pm_message_t power;
1233 SsidRid *SSID;
1234 APListRid APList;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1237
1238 int wep_capable;
1239 int max_wep_idx;
1240 int last_auth;
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 const u8 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,(u8*)(frame + 1),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, (u8 *)(eth + 1),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 writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1852 {
1853 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1854 }
1855
1856 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1857 {
1858 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1859 }
1860
1861 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1862 {
1863 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1864 }
1865
1866 static void try_auto_wep(struct airo_info *ai)
1867 {
1868 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1869 ai->expires = RUN_AT(3*HZ);
1870 wake_up_interruptible(&ai->thr_wait);
1871 }
1872 }
1873
1874 static int airo_open(struct net_device *dev) {
1875 struct airo_info *ai = dev->ml_priv;
1876 int rc = 0;
1877
1878 if (test_bit(FLAG_FLASHING, &ai->flags))
1879 return -EIO;
1880
1881 /* Make sure the card is configured.
1882 * Wireless Extensions may postpone config changes until the card
1883 * is open (to pipeline changes and speed-up card setup). If
1884 * those changes are not yet committed, do it now - Jean II */
1885 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1886 disable_MAC(ai, 1);
1887 writeConfigRid(ai, 1);
1888 }
1889
1890 if (ai->wifidev != dev) {
1891 clear_bit(JOB_DIE, &ai->jobs);
1892 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1893 dev->name);
1894 if (IS_ERR(ai->airo_thread_task))
1895 return (int)PTR_ERR(ai->airo_thread_task);
1896
1897 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1898 dev->name, dev);
1899 if (rc) {
1900 airo_print_err(dev->name,
1901 "register interrupt %d failed, rc %d",
1902 dev->irq, rc);
1903 set_bit(JOB_DIE, &ai->jobs);
1904 kthread_stop(ai->airo_thread_task);
1905 return rc;
1906 }
1907
1908 /* Power on the MAC controller (which may have been disabled) */
1909 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1910 enable_interrupts(ai);
1911
1912 try_auto_wep(ai);
1913 }
1914 enable_MAC(ai, 1);
1915
1916 netif_start_queue(dev);
1917 return 0;
1918 }
1919
1920 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1921 struct net_device *dev)
1922 {
1923 int npacks, pending;
1924 unsigned long flags;
1925 struct airo_info *ai = dev->ml_priv;
1926
1927 if (!skb) {
1928 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1929 return NETDEV_TX_OK;
1930 }
1931 npacks = skb_queue_len (&ai->txq);
1932
1933 if (npacks >= MAXTXQ - 1) {
1934 netif_stop_queue (dev);
1935 if (npacks > MAXTXQ) {
1936 dev->stats.tx_fifo_errors++;
1937 return NETDEV_TX_BUSY;
1938 }
1939 skb_queue_tail (&ai->txq, skb);
1940 return NETDEV_TX_OK;
1941 }
1942
1943 spin_lock_irqsave(&ai->aux_lock, flags);
1944 skb_queue_tail (&ai->txq, skb);
1945 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1946 spin_unlock_irqrestore(&ai->aux_lock,flags);
1947 netif_wake_queue (dev);
1948
1949 if (pending == 0) {
1950 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1951 mpi_send_packet (dev);
1952 }
1953 return NETDEV_TX_OK;
1954 }
1955
1956 /*
1957 * @mpi_send_packet
1958 *
1959 * Attempt to transmit a packet. Can be called from interrupt
1960 * or transmit . return number of packets we tried to send
1961 */
1962
1963 static int mpi_send_packet (struct net_device *dev)
1964 {
1965 struct sk_buff *skb;
1966 unsigned char *buffer;
1967 s16 len;
1968 __le16 *payloadLen;
1969 struct airo_info *ai = dev->ml_priv;
1970 u8 *sendbuf;
1971
1972 /* get a packet to send */
1973
1974 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1975 airo_print_err(dev->name,
1976 "%s: Dequeue'd zero in send_packet()",
1977 __func__);
1978 return 0;
1979 }
1980
1981 /* check min length*/
1982 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1983 buffer = skb->data;
1984
1985 ai->txfids[0].tx_desc.offset = 0;
1986 ai->txfids[0].tx_desc.valid = 1;
1987 ai->txfids[0].tx_desc.eoc = 1;
1988 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1989
1990 /*
1991 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1992 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1993 * is immediately after it. ------------------------------------------------
1994 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1995 * ------------------------------------------------
1996 */
1997
1998 memcpy(ai->txfids[0].virtual_host_addr,
1999 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2000
2001 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2002 sizeof(wifictlhdr8023));
2003 sendbuf = ai->txfids[0].virtual_host_addr +
2004 sizeof(wifictlhdr8023) + 2 ;
2005
2006 /*
2007 * Firmware automatically puts 802 header on so
2008 * we don't need to account for it in the length
2009 */
2010 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2011 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2012 MICBuffer pMic;
2013
2014 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2015 return ERROR;
2016
2017 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2018 ai->txfids[0].tx_desc.len += sizeof(pMic);
2019 /* copy data into airo dma buffer */
2020 memcpy (sendbuf, buffer, sizeof(etherHead));
2021 buffer += sizeof(etherHead);
2022 sendbuf += sizeof(etherHead);
2023 memcpy (sendbuf, &pMic, sizeof(pMic));
2024 sendbuf += sizeof(pMic);
2025 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2026 } else {
2027 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2028
2029 netif_trans_update(dev);
2030
2031 /* copy data into airo dma buffer */
2032 memcpy(sendbuf, buffer, len);
2033 }
2034
2035 memcpy_toio(ai->txfids[0].card_ram_off,
2036 &ai->txfids[0].tx_desc, sizeof(TxFid));
2037
2038 OUT4500(ai, EVACK, 8);
2039
2040 dev_kfree_skb_any(skb);
2041 return 1;
2042 }
2043
2044 static void get_tx_error(struct airo_info *ai, s32 fid)
2045 {
2046 __le16 status;
2047
2048 if (fid < 0)
2049 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2050 else {
2051 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2052 return;
2053 bap_read(ai, &status, 2, BAP0);
2054 }
2055 if (le16_to_cpu(status) & 2) /* Too many retries */
2056 ai->dev->stats.tx_aborted_errors++;
2057 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2058 ai->dev->stats.tx_heartbeat_errors++;
2059 if (le16_to_cpu(status) & 8) /* Aid fail */
2060 { }
2061 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2062 ai->dev->stats.tx_carrier_errors++;
2063 if (le16_to_cpu(status) & 0x20) /* Association lost */
2064 { }
2065 /* We produce a TXDROP event only for retry or lifetime
2066 * exceeded, because that's the only status that really mean
2067 * that this particular node went away.
2068 * Other errors means that *we* screwed up. - Jean II */
2069 if ((le16_to_cpu(status) & 2) ||
2070 (le16_to_cpu(status) & 4)) {
2071 union iwreq_data wrqu;
2072 char junk[0x18];
2073
2074 /* Faster to skip over useless data than to do
2075 * another bap_setup(). We are at offset 0x6 and
2076 * need to go to 0x18 and read 6 bytes - Jean II */
2077 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2078
2079 /* Copy 802.11 dest address.
2080 * We use the 802.11 header because the frame may
2081 * not be 802.3 or may be mangled...
2082 * In Ad-Hoc mode, it will be the node address.
2083 * In managed mode, it will be most likely the AP addr
2084 * User space will figure out how to convert it to
2085 * whatever it needs (IP address or else).
2086 * - Jean II */
2087 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2088 wrqu.addr.sa_family = ARPHRD_ETHER;
2089
2090 /* Send event to user space */
2091 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2092 }
2093 }
2094
2095 static void airo_end_xmit(struct net_device *dev) {
2096 u16 status;
2097 int i;
2098 struct airo_info *priv = dev->ml_priv;
2099 struct sk_buff *skb = priv->xmit.skb;
2100 int fid = priv->xmit.fid;
2101 u32 *fids = priv->fids;
2102
2103 clear_bit(JOB_XMIT, &priv->jobs);
2104 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2105 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2106 up(&priv->sem);
2107
2108 i = 0;
2109 if ( status == SUCCESS ) {
2110 netif_trans_update(dev);
2111 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2112 } else {
2113 priv->fids[fid] &= 0xffff;
2114 dev->stats.tx_window_errors++;
2115 }
2116 if (i < MAX_FIDS / 2)
2117 netif_wake_queue(dev);
2118 dev_kfree_skb(skb);
2119 }
2120
2121 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2122 struct net_device *dev)
2123 {
2124 s16 len;
2125 int i, j;
2126 struct airo_info *priv = dev->ml_priv;
2127 u32 *fids = priv->fids;
2128
2129 if ( skb == NULL ) {
2130 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2131 return NETDEV_TX_OK;
2132 }
2133
2134 /* Find a vacant FID */
2135 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2136 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2137
2138 if ( j >= MAX_FIDS / 2 ) {
2139 netif_stop_queue(dev);
2140
2141 if (i == MAX_FIDS / 2) {
2142 dev->stats.tx_fifo_errors++;
2143 return NETDEV_TX_BUSY;
2144 }
2145 }
2146 /* check min length*/
2147 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2148 /* Mark fid as used & save length for later */
2149 fids[i] |= (len << 16);
2150 priv->xmit.skb = skb;
2151 priv->xmit.fid = i;
2152 if (down_trylock(&priv->sem) != 0) {
2153 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2154 netif_stop_queue(dev);
2155 set_bit(JOB_XMIT, &priv->jobs);
2156 wake_up_interruptible(&priv->thr_wait);
2157 } else
2158 airo_end_xmit(dev);
2159 return NETDEV_TX_OK;
2160 }
2161
2162 static void airo_end_xmit11(struct net_device *dev) {
2163 u16 status;
2164 int i;
2165 struct airo_info *priv = dev->ml_priv;
2166 struct sk_buff *skb = priv->xmit11.skb;
2167 int fid = priv->xmit11.fid;
2168 u32 *fids = priv->fids;
2169
2170 clear_bit(JOB_XMIT11, &priv->jobs);
2171 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2172 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2173 up(&priv->sem);
2174
2175 i = MAX_FIDS / 2;
2176 if ( status == SUCCESS ) {
2177 netif_trans_update(dev);
2178 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2179 } else {
2180 priv->fids[fid] &= 0xffff;
2181 dev->stats.tx_window_errors++;
2182 }
2183 if (i < MAX_FIDS)
2184 netif_wake_queue(dev);
2185 dev_kfree_skb(skb);
2186 }
2187
2188 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2189 struct net_device *dev)
2190 {
2191 s16 len;
2192 int i, j;
2193 struct airo_info *priv = dev->ml_priv;
2194 u32 *fids = priv->fids;
2195
2196 if (test_bit(FLAG_MPI, &priv->flags)) {
2197 /* Not implemented yet for MPI350 */
2198 netif_stop_queue(dev);
2199 dev_kfree_skb_any(skb);
2200 return NETDEV_TX_OK;
2201 }
2202
2203 if ( skb == NULL ) {
2204 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2205 return NETDEV_TX_OK;
2206 }
2207
2208 /* Find a vacant FID */
2209 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2210 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2211
2212 if ( j >= MAX_FIDS ) {
2213 netif_stop_queue(dev);
2214
2215 if (i == MAX_FIDS) {
2216 dev->stats.tx_fifo_errors++;
2217 return NETDEV_TX_BUSY;
2218 }
2219 }
2220 /* check min length*/
2221 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2222 /* Mark fid as used & save length for later */
2223 fids[i] |= (len << 16);
2224 priv->xmit11.skb = skb;
2225 priv->xmit11.fid = i;
2226 if (down_trylock(&priv->sem) != 0) {
2227 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2228 netif_stop_queue(dev);
2229 set_bit(JOB_XMIT11, &priv->jobs);
2230 wake_up_interruptible(&priv->thr_wait);
2231 } else
2232 airo_end_xmit11(dev);
2233 return NETDEV_TX_OK;
2234 }
2235
2236 static void airo_read_stats(struct net_device *dev)
2237 {
2238 struct airo_info *ai = dev->ml_priv;
2239 StatsRid stats_rid;
2240 __le32 *vals = stats_rid.vals;
2241
2242 clear_bit(JOB_STATS, &ai->jobs);
2243 if (ai->power.event) {
2244 up(&ai->sem);
2245 return;
2246 }
2247 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2248 up(&ai->sem);
2249
2250 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2251 le32_to_cpu(vals[45]);
2252 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2253 le32_to_cpu(vals[41]);
2254 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2255 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2256 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2257 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2258 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2259 dev->stats.tx_fifo_errors;
2260 dev->stats.multicast = le32_to_cpu(vals[43]);
2261 dev->stats.collisions = le32_to_cpu(vals[89]);
2262
2263 /* detailed rx_errors: */
2264 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2265 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2266 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2267 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2268 }
2269
2270 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2271 {
2272 struct airo_info *local = dev->ml_priv;
2273
2274 if (!test_bit(JOB_STATS, &local->jobs)) {
2275 /* Get stats out of the card if available */
2276 if (down_trylock(&local->sem) != 0) {
2277 set_bit(JOB_STATS, &local->jobs);
2278 wake_up_interruptible(&local->thr_wait);
2279 } else
2280 airo_read_stats(dev);
2281 }
2282
2283 return &dev->stats;
2284 }
2285
2286 static void airo_set_promisc(struct airo_info *ai) {
2287 Cmd cmd;
2288 Resp rsp;
2289
2290 memset(&cmd, 0, sizeof(cmd));
2291 cmd.cmd=CMD_SETMODE;
2292 clear_bit(JOB_PROMISC, &ai->jobs);
2293 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2294 issuecommand(ai, &cmd, &rsp);
2295 up(&ai->sem);
2296 }
2297
2298 static void airo_set_multicast_list(struct net_device *dev) {
2299 struct airo_info *ai = dev->ml_priv;
2300
2301 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2302 change_bit(FLAG_PROMISC, &ai->flags);
2303 if (down_trylock(&ai->sem) != 0) {
2304 set_bit(JOB_PROMISC, &ai->jobs);
2305 wake_up_interruptible(&ai->thr_wait);
2306 } else
2307 airo_set_promisc(ai);
2308 }
2309
2310 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2311 /* Turn on multicast. (Should be already setup...) */
2312 }
2313 }
2314
2315 static int airo_set_mac_address(struct net_device *dev, void *p)
2316 {
2317 struct airo_info *ai = dev->ml_priv;
2318 struct sockaddr *addr = p;
2319
2320 readConfigRid(ai, 1);
2321 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2322 set_bit (FLAG_COMMIT, &ai->flags);
2323 disable_MAC(ai, 1);
2324 writeConfigRid (ai, 1);
2325 enable_MAC(ai, 1);
2326 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2327 if (ai->wifidev)
2328 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2329 return 0;
2330 }
2331
2332 static LIST_HEAD(airo_devices);
2333
2334 static void add_airo_dev(struct airo_info *ai)
2335 {
2336 /* Upper layers already keep track of PCI devices,
2337 * so we only need to remember our non-PCI cards. */
2338 if (!ai->pci)
2339 list_add_tail(&ai->dev_list, &airo_devices);
2340 }
2341
2342 static void del_airo_dev(struct airo_info *ai)
2343 {
2344 if (!ai->pci)
2345 list_del(&ai->dev_list);
2346 }
2347
2348 static int airo_close(struct net_device *dev) {
2349 struct airo_info *ai = dev->ml_priv;
2350
2351 netif_stop_queue(dev);
2352
2353 if (ai->wifidev != dev) {
2354 #ifdef POWER_ON_DOWN
2355 /* Shut power to the card. The idea is that the user can save
2356 * power when he doesn't need the card with "ifconfig down".
2357 * That's the method that is most friendly towards the network
2358 * stack (i.e. the network stack won't try to broadcast
2359 * anything on the interface and routes are gone. Jean II */
2360 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2361 disable_MAC(ai, 1);
2362 #endif
2363 disable_interrupts( ai );
2364
2365 free_irq(dev->irq, dev);
2366
2367 set_bit(JOB_DIE, &ai->jobs);
2368 kthread_stop(ai->airo_thread_task);
2369 }
2370 return 0;
2371 }
2372
2373 void stop_airo_card( struct net_device *dev, int freeres )
2374 {
2375 struct airo_info *ai = dev->ml_priv;
2376
2377 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2378 disable_MAC(ai, 1);
2379 disable_interrupts(ai);
2380 takedown_proc_entry( dev, ai );
2381 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2382 unregister_netdev( dev );
2383 if (ai->wifidev) {
2384 unregister_netdev(ai->wifidev);
2385 free_netdev(ai->wifidev);
2386 ai->wifidev = NULL;
2387 }
2388 clear_bit(FLAG_REGISTERED, &ai->flags);
2389 }
2390 /*
2391 * Clean out tx queue
2392 */
2393 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2394 struct sk_buff *skb = NULL;
2395 for (;(skb = skb_dequeue(&ai->txq));)
2396 dev_kfree_skb(skb);
2397 }
2398
2399 airo_networks_free (ai);
2400
2401 kfree(ai->flash);
2402 kfree(ai->rssi);
2403 kfree(ai->SSID);
2404 if (freeres) {
2405 /* PCMCIA frees this stuff, so only for PCI and ISA */
2406 release_region( dev->base_addr, 64 );
2407 if (test_bit(FLAG_MPI, &ai->flags)) {
2408 if (ai->pci)
2409 mpi_unmap_card(ai->pci);
2410 if (ai->pcimem)
2411 iounmap(ai->pcimem);
2412 if (ai->pciaux)
2413 iounmap(ai->pciaux);
2414 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2415 ai->shared, ai->shared_dma);
2416 }
2417 }
2418 crypto_free_cipher(ai->tfm);
2419 del_airo_dev(ai);
2420 free_netdev( dev );
2421 }
2422
2423 EXPORT_SYMBOL(stop_airo_card);
2424
2425 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2426 {
2427 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2428 return ETH_ALEN;
2429 }
2430
2431 static void mpi_unmap_card(struct pci_dev *pci)
2432 {
2433 unsigned long mem_start = pci_resource_start(pci, 1);
2434 unsigned long mem_len = pci_resource_len(pci, 1);
2435 unsigned long aux_start = pci_resource_start(pci, 2);
2436 unsigned long aux_len = AUXMEMSIZE;
2437
2438 release_mem_region(aux_start, aux_len);
2439 release_mem_region(mem_start, mem_len);
2440 }
2441
2442 /*************************************************************
2443 * This routine assumes that descriptors have been setup .
2444 * Run at insmod time or after reset when the decriptors
2445 * have been initialized . Returns 0 if all is well nz
2446 * otherwise . Does not allocate memory but sets up card
2447 * using previously allocated descriptors.
2448 */
2449 static int mpi_init_descriptors (struct airo_info *ai)
2450 {
2451 Cmd cmd;
2452 Resp rsp;
2453 int i;
2454 int rc = SUCCESS;
2455
2456 /* Alloc card RX descriptors */
2457 netif_stop_queue(ai->dev);
2458
2459 memset(&rsp,0,sizeof(rsp));
2460 memset(&cmd,0,sizeof(cmd));
2461
2462 cmd.cmd = CMD_ALLOCATEAUX;
2463 cmd.parm0 = FID_RX;
2464 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2465 cmd.parm2 = MPI_MAX_FIDS;
2466 rc=issuecommand(ai, &cmd, &rsp);
2467 if (rc != SUCCESS) {
2468 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2469 return rc;
2470 }
2471
2472 for (i=0; i<MPI_MAX_FIDS; i++) {
2473 memcpy_toio(ai->rxfids[i].card_ram_off,
2474 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2475 }
2476
2477 /* Alloc card TX descriptors */
2478
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2481
2482 cmd.cmd = CMD_ALLOCATEAUX;
2483 cmd.parm0 = FID_TX;
2484 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2486
2487 for (i=0; i<MPI_MAX_FIDS; i++) {
2488 ai->txfids[i].tx_desc.valid = 1;
2489 memcpy_toio(ai->txfids[i].card_ram_off,
2490 &ai->txfids[i].tx_desc, sizeof(TxFid));
2491 }
2492 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2493
2494 rc=issuecommand(ai, &cmd, &rsp);
2495 if (rc != SUCCESS) {
2496 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2497 return rc;
2498 }
2499
2500 /* Alloc card Rid descriptor */
2501 memset(&rsp,0,sizeof(rsp));
2502 memset(&cmd,0,sizeof(cmd));
2503
2504 cmd.cmd = CMD_ALLOCATEAUX;
2505 cmd.parm0 = RID_RW;
2506 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2507 cmd.parm2 = 1; /* Magic number... */
2508 rc=issuecommand(ai, &cmd, &rsp);
2509 if (rc != SUCCESS) {
2510 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2511 return rc;
2512 }
2513
2514 memcpy_toio(ai->config_desc.card_ram_off,
2515 &ai->config_desc.rid_desc, sizeof(Rid));
2516
2517 return rc;
2518 }
2519
2520 /*
2521 * We are setting up three things here:
2522 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2523 * 2) Map PCI memory for issuing commands.
2524 * 3) Allocate memory (shared) to send and receive ethernet frames.
2525 */
2526 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2527 {
2528 unsigned long mem_start, mem_len, aux_start, aux_len;
2529 int rc = -1;
2530 int i;
2531 dma_addr_t busaddroff;
2532 unsigned char *vpackoff;
2533 unsigned char __iomem *pciaddroff;
2534
2535 mem_start = pci_resource_start(pci, 1);
2536 mem_len = pci_resource_len(pci, 1);
2537 aux_start = pci_resource_start(pci, 2);
2538 aux_len = AUXMEMSIZE;
2539
2540 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2541 airo_print_err("", "Couldn't get region %x[%x]",
2542 (int)mem_start, (int)mem_len);
2543 goto out;
2544 }
2545 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2546 airo_print_err("", "Couldn't get region %x[%x]",
2547 (int)aux_start, (int)aux_len);
2548 goto free_region1;
2549 }
2550
2551 ai->pcimem = ioremap(mem_start, mem_len);
2552 if (!ai->pcimem) {
2553 airo_print_err("", "Couldn't map region %x[%x]",
2554 (int)mem_start, (int)mem_len);
2555 goto free_region2;
2556 }
2557 ai->pciaux = ioremap(aux_start, aux_len);
2558 if (!ai->pciaux) {
2559 airo_print_err("", "Couldn't map region %x[%x]",
2560 (int)aux_start, (int)aux_len);
2561 goto free_memmap;
2562 }
2563
2564 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2565 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2566 if (!ai->shared) {
2567 airo_print_err("", "Couldn't alloc_consistent %d",
2568 PCI_SHARED_LEN);
2569 goto free_auxmap;
2570 }
2571
2572 /*
2573 * Setup descriptor RX, TX, CONFIG
2574 */
2575 busaddroff = ai->shared_dma;
2576 pciaddroff = ai->pciaux + AUX_OFFSET;
2577 vpackoff = ai->shared;
2578
2579 /* RX descriptor setup */
2580 for(i = 0; i < MPI_MAX_FIDS; i++) {
2581 ai->rxfids[i].pending = 0;
2582 ai->rxfids[i].card_ram_off = pciaddroff;
2583 ai->rxfids[i].virtual_host_addr = vpackoff;
2584 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2585 ai->rxfids[i].rx_desc.valid = 1;
2586 ai->rxfids[i].rx_desc.len = PKTSIZE;
2587 ai->rxfids[i].rx_desc.rdy = 0;
2588
2589 pciaddroff += sizeof(RxFid);
2590 busaddroff += PKTSIZE;
2591 vpackoff += PKTSIZE;
2592 }
2593
2594 /* TX descriptor setup */
2595 for(i = 0; i < MPI_MAX_FIDS; i++) {
2596 ai->txfids[i].card_ram_off = pciaddroff;
2597 ai->txfids[i].virtual_host_addr = vpackoff;
2598 ai->txfids[i].tx_desc.valid = 1;
2599 ai->txfids[i].tx_desc.host_addr = busaddroff;
2600 memcpy(ai->txfids[i].virtual_host_addr,
2601 &wifictlhdr8023, sizeof(wifictlhdr8023));
2602
2603 pciaddroff += sizeof(TxFid);
2604 busaddroff += PKTSIZE;
2605 vpackoff += PKTSIZE;
2606 }
2607 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2608
2609 /* Rid descriptor setup */
2610 ai->config_desc.card_ram_off = pciaddroff;
2611 ai->config_desc.virtual_host_addr = vpackoff;
2612 ai->config_desc.rid_desc.host_addr = busaddroff;
2613 ai->ridbus = busaddroff;
2614 ai->config_desc.rid_desc.rid = 0;
2615 ai->config_desc.rid_desc.len = RIDSIZE;
2616 ai->config_desc.rid_desc.valid = 1;
2617 pciaddroff += sizeof(Rid);
2618 busaddroff += RIDSIZE;
2619 vpackoff += RIDSIZE;
2620
2621 /* Tell card about descriptors */
2622 if (mpi_init_descriptors (ai) != SUCCESS)
2623 goto free_shared;
2624
2625 return 0;
2626 free_shared:
2627 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2628 free_auxmap:
2629 iounmap(ai->pciaux);
2630 free_memmap:
2631 iounmap(ai->pcimem);
2632 free_region2:
2633 release_mem_region(aux_start, aux_len);
2634 free_region1:
2635 release_mem_region(mem_start, mem_len);
2636 out:
2637 return rc;
2638 }
2639
2640 static const struct header_ops airo_header_ops = {
2641 .parse = wll_header_parse,
2642 };
2643
2644 static const struct net_device_ops airo11_netdev_ops = {
2645 .ndo_open = airo_open,
2646 .ndo_stop = airo_close,
2647 .ndo_start_xmit = airo_start_xmit11,
2648 .ndo_get_stats = airo_get_stats,
2649 .ndo_set_mac_address = airo_set_mac_address,
2650 .ndo_do_ioctl = airo_ioctl,
2651 };
2652
2653 static void wifi_setup(struct net_device *dev)
2654 {
2655 dev->netdev_ops = &airo11_netdev_ops;
2656 dev->header_ops = &airo_header_ops;
2657 dev->wireless_handlers = &airo_handler_def;
2658
2659 dev->type = ARPHRD_IEEE80211;
2660 dev->hard_header_len = ETH_HLEN;
2661 dev->mtu = AIRO_DEF_MTU;
2662 dev->min_mtu = 68;
2663 dev->max_mtu = MIC_MSGLEN_MAX;
2664 dev->addr_len = ETH_ALEN;
2665 dev->tx_queue_len = 100;
2666
2667 eth_broadcast_addr(dev->broadcast);
2668
2669 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2670 }
2671
2672 static struct net_device *init_wifidev(struct airo_info *ai,
2673 struct net_device *ethdev)
2674 {
2675 int err;
2676 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2677 wifi_setup);
2678 if (!dev)
2679 return NULL;
2680 dev->ml_priv = ethdev->ml_priv;
2681 dev->irq = ethdev->irq;
2682 dev->base_addr = ethdev->base_addr;
2683 dev->wireless_data = ethdev->wireless_data;
2684 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2685 eth_hw_addr_inherit(dev, ethdev);
2686 err = register_netdev(dev);
2687 if (err<0) {
2688 free_netdev(dev);
2689 return NULL;
2690 }
2691 return dev;
2692 }
2693
2694 static int reset_card( struct net_device *dev , int lock) {
2695 struct airo_info *ai = dev->ml_priv;
2696
2697 if (lock && down_interruptible(&ai->sem))
2698 return -1;
2699 waitbusy (ai);
2700 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2701 msleep(200);
2702 waitbusy (ai);
2703 msleep(200);
2704 if (lock)
2705 up(&ai->sem);
2706 return 0;
2707 }
2708
2709 #define AIRO_MAX_NETWORK_COUNT 64
2710 static int airo_networks_allocate(struct airo_info *ai)
2711 {
2712 if (ai->networks)
2713 return 0;
2714
2715 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2716 GFP_KERNEL);
2717 if (!ai->networks) {
2718 airo_print_warn("", "Out of memory allocating beacons");
2719 return -ENOMEM;
2720 }
2721
2722 return 0;
2723 }
2724
2725 static void airo_networks_free(struct airo_info *ai)
2726 {
2727 kfree(ai->networks);
2728 ai->networks = NULL;
2729 }
2730
2731 static void airo_networks_initialize(struct airo_info *ai)
2732 {
2733 int i;
2734
2735 INIT_LIST_HEAD(&ai->network_free_list);
2736 INIT_LIST_HEAD(&ai->network_list);
2737 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2738 list_add_tail(&ai->networks[i].list,
2739 &ai->network_free_list);
2740 }
2741
2742 static const struct net_device_ops airo_netdev_ops = {
2743 .ndo_open = airo_open,
2744 .ndo_stop = airo_close,
2745 .ndo_start_xmit = airo_start_xmit,
2746 .ndo_get_stats = airo_get_stats,
2747 .ndo_set_rx_mode = airo_set_multicast_list,
2748 .ndo_set_mac_address = airo_set_mac_address,
2749 .ndo_do_ioctl = airo_ioctl,
2750 .ndo_validate_addr = eth_validate_addr,
2751 };
2752
2753 static const struct net_device_ops mpi_netdev_ops = {
2754 .ndo_open = airo_open,
2755 .ndo_stop = airo_close,
2756 .ndo_start_xmit = mpi_start_xmit,
2757 .ndo_get_stats = airo_get_stats,
2758 .ndo_set_rx_mode = airo_set_multicast_list,
2759 .ndo_set_mac_address = airo_set_mac_address,
2760 .ndo_do_ioctl = airo_ioctl,
2761 .ndo_validate_addr = eth_validate_addr,
2762 };
2763
2764
2765 static struct net_device *_init_airo_card( unsigned short irq, int port,
2766 int is_pcmcia, struct pci_dev *pci,
2767 struct device *dmdev )
2768 {
2769 struct net_device *dev;
2770 struct airo_info *ai;
2771 int i, rc;
2772 CapabilityRid cap_rid;
2773
2774 /* Create the network device object. */
2775 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2776 if (!dev) {
2777 airo_print_err("", "Couldn't alloc_etherdev");
2778 return NULL;
2779 }
2780
2781 ai = dev->ml_priv = netdev_priv(dev);
2782 ai->wifidev = NULL;
2783 ai->flags = 1 << FLAG_RADIO_DOWN;
2784 ai->jobs = 0;
2785 ai->dev = dev;
2786 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2787 airo_print_dbg("", "Found an MPI350 card");
2788 set_bit(FLAG_MPI, &ai->flags);
2789 }
2790 spin_lock_init(&ai->aux_lock);
2791 sema_init(&ai->sem, 1);
2792 ai->config.len = 0;
2793 ai->pci = pci;
2794 init_waitqueue_head (&ai->thr_wait);
2795 ai->tfm = NULL;
2796 add_airo_dev(ai);
2797 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2798
2799 if (airo_networks_allocate (ai))
2800 goto err_out_free;
2801 airo_networks_initialize (ai);
2802
2803 skb_queue_head_init (&ai->txq);
2804
2805 /* The Airo-specific entries in the device structure. */
2806 if (test_bit(FLAG_MPI,&ai->flags))
2807 dev->netdev_ops = &mpi_netdev_ops;
2808 else
2809 dev->netdev_ops = &airo_netdev_ops;
2810 dev->wireless_handlers = &airo_handler_def;
2811 ai->wireless_data.spy_data = &ai->spy_data;
2812 dev->wireless_data = &ai->wireless_data;
2813 dev->irq = irq;
2814 dev->base_addr = port;
2815 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2816 dev->max_mtu = MIC_MSGLEN_MAX;
2817
2818 SET_NETDEV_DEV(dev, dmdev);
2819
2820 reset_card (dev, 1);
2821 msleep(400);
2822
2823 if (!is_pcmcia) {
2824 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2825 rc = -EBUSY;
2826 airo_print_err(dev->name, "Couldn't request region");
2827 goto err_out_nets;
2828 }
2829 }
2830
2831 if (test_bit(FLAG_MPI,&ai->flags)) {
2832 if (mpi_map_card(ai, pci)) {
2833 airo_print_err("", "Could not map memory");
2834 goto err_out_res;
2835 }
2836 }
2837
2838 if (probe) {
2839 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2840 airo_print_err(dev->name, "MAC could not be enabled" );
2841 rc = -EIO;
2842 goto err_out_map;
2843 }
2844 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2845 ai->bap_read = fast_bap_read;
2846 set_bit(FLAG_FLASHING, &ai->flags);
2847 }
2848
2849 strcpy(dev->name, "eth%d");
2850 rc = register_netdev(dev);
2851 if (rc) {
2852 airo_print_err(dev->name, "Couldn't register_netdev");
2853 goto err_out_map;
2854 }
2855 ai->wifidev = init_wifidev(ai, dev);
2856 if (!ai->wifidev)
2857 goto err_out_reg;
2858
2859 rc = readCapabilityRid(ai, &cap_rid, 1);
2860 if (rc != SUCCESS) {
2861 rc = -EIO;
2862 goto err_out_wifi;
2863 }
2864 /* WEP capability discovery */
2865 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2866 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2867
2868 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2869 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2870 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2871 le16_to_cpu(cap_rid.softSubVer));
2872
2873 /* Test for WPA support */
2874 /* Only firmware versions 5.30.17 or better can do WPA */
2875 if (le16_to_cpu(cap_rid.softVer) > 0x530
2876 || (le16_to_cpu(cap_rid.softVer) == 0x530
2877 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2878 airo_print_info(ai->dev->name, "WPA supported.");
2879
2880 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2881 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2882 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2883 ai->bssListRidLen = sizeof(BSSListRid);
2884 } else {
2885 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2886 "versions older than 5.30.17.");
2887
2888 ai->bssListFirst = RID_BSSLISTFIRST;
2889 ai->bssListNext = RID_BSSLISTNEXT;
2890 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2891 }
2892
2893 set_bit(FLAG_REGISTERED,&ai->flags);
2894 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2895
2896 /* Allocate the transmit buffers */
2897 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2898 for( i = 0; i < MAX_FIDS; i++ )
2899 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2900
2901 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2902 goto err_out_wifi;
2903
2904 return dev;
2905
2906 err_out_wifi:
2907 unregister_netdev(ai->wifidev);
2908 free_netdev(ai->wifidev);
2909 err_out_reg:
2910 unregister_netdev(dev);
2911 err_out_map:
2912 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2913 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2914 iounmap(ai->pciaux);
2915 iounmap(ai->pcimem);
2916 mpi_unmap_card(ai->pci);
2917 }
2918 err_out_res:
2919 if (!is_pcmcia)
2920 release_region( dev->base_addr, 64 );
2921 err_out_nets:
2922 airo_networks_free(ai);
2923 err_out_free:
2924 del_airo_dev(ai);
2925 free_netdev(dev);
2926 return NULL;
2927 }
2928
2929 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2930 struct device *dmdev)
2931 {
2932 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2933 }
2934
2935 EXPORT_SYMBOL(init_airo_card);
2936
2937 static int waitbusy (struct airo_info *ai) {
2938 int delay = 0;
2939 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2940 udelay (10);
2941 if ((++delay % 20) == 0)
2942 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2943 }
2944 return delay < 10000;
2945 }
2946
2947 int reset_airo_card( struct net_device *dev )
2948 {
2949 int i;
2950 struct airo_info *ai = dev->ml_priv;
2951
2952 if (reset_card (dev, 1))
2953 return -1;
2954
2955 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2956 airo_print_err(dev->name, "MAC could not be enabled");
2957 return -1;
2958 }
2959 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2960 /* Allocate the transmit buffers if needed */
2961 if (!test_bit(FLAG_MPI,&ai->flags))
2962 for( i = 0; i < MAX_FIDS; i++ )
2963 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2964
2965 enable_interrupts( ai );
2966 netif_wake_queue(dev);
2967 return 0;
2968 }
2969
2970 EXPORT_SYMBOL(reset_airo_card);
2971
2972 static void airo_send_event(struct net_device *dev) {
2973 struct airo_info *ai = dev->ml_priv;
2974 union iwreq_data wrqu;
2975 StatusRid status_rid;
2976
2977 clear_bit(JOB_EVENT, &ai->jobs);
2978 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2979 up(&ai->sem);
2980 wrqu.data.length = 0;
2981 wrqu.data.flags = 0;
2982 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2983 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2984
2985 /* Send event to user space */
2986 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2987 }
2988
2989 static void airo_process_scan_results (struct airo_info *ai) {
2990 union iwreq_data wrqu;
2991 BSSListRid bss;
2992 int rc;
2993 BSSListElement * loop_net;
2994 BSSListElement * tmp_net;
2995
2996 /* Blow away current list of scan results */
2997 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2998 list_move_tail (&loop_net->list, &ai->network_free_list);
2999 /* Don't blow away ->list, just BSS data */
3000 memset (loop_net, 0, sizeof (loop_net->bss));
3001 }
3002
3003 /* Try to read the first entry of the scan result */
3004 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3005 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3006 /* No scan results */
3007 goto out;
3008 }
3009
3010 /* Read and parse all entries */
3011 tmp_net = NULL;
3012 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3013 /* Grab a network off the free list */
3014 if (!list_empty(&ai->network_free_list)) {
3015 tmp_net = list_entry(ai->network_free_list.next,
3016 BSSListElement, list);
3017 list_del(ai->network_free_list.next);
3018 }
3019
3020 if (tmp_net != NULL) {
3021 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3022 list_add_tail(&tmp_net->list, &ai->network_list);
3023 tmp_net = NULL;
3024 }
3025
3026 /* Read next entry */
3027 rc = PC4500_readrid(ai, ai->bssListNext,
3028 &bss, ai->bssListRidLen, 0);
3029 }
3030
3031 out:
3032 /* write APList back (we cleared it in airo_set_scan) */
3033 disable_MAC(ai, 2);
3034 writeAPListRid(ai, &ai->APList, 0);
3035 enable_MAC(ai, 0);
3036
3037 ai->scan_timeout = 0;
3038 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3039 up(&ai->sem);
3040
3041 /* Send an empty event to user space.
3042 * We don't send the received data on
3043 * the event because it would require
3044 * us to do complex transcoding, and
3045 * we want to minimise the work done in
3046 * the irq handler. Use a request to
3047 * extract the data - Jean II */
3048 wrqu.data.length = 0;
3049 wrqu.data.flags = 0;
3050 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3051 }
3052
3053 static int airo_thread(void *data) {
3054 struct net_device *dev = data;
3055 struct airo_info *ai = dev->ml_priv;
3056 int locked;
3057
3058 set_freezable();
3059 while(1) {
3060 /* make swsusp happy with our thread */
3061 try_to_freeze();
3062
3063 if (test_bit(JOB_DIE, &ai->jobs))
3064 break;
3065
3066 if (ai->jobs) {
3067 locked = down_interruptible(&ai->sem);
3068 } else {
3069 wait_queue_entry_t wait;
3070
3071 init_waitqueue_entry(&wait, current);
3072 add_wait_queue(&ai->thr_wait, &wait);
3073 for (;;) {
3074 set_current_state(TASK_INTERRUPTIBLE);
3075 if (ai->jobs)
3076 break;
3077 if (ai->expires || ai->scan_timeout) {
3078 if (ai->scan_timeout &&
3079 time_after_eq(jiffies,ai->scan_timeout)){
3080 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3081 break;
3082 } else if (ai->expires &&
3083 time_after_eq(jiffies,ai->expires)){
3084 set_bit(JOB_AUTOWEP, &ai->jobs);
3085 break;
3086 }
3087 if (!kthread_should_stop() &&
3088 !freezing(current)) {
3089 unsigned long wake_at;
3090 if (!ai->expires || !ai->scan_timeout) {
3091 wake_at = max(ai->expires,
3092 ai->scan_timeout);
3093 } else {
3094 wake_at = min(ai->expires,
3095 ai->scan_timeout);
3096 }
3097 schedule_timeout(wake_at - jiffies);
3098 continue;
3099 }
3100 } else if (!kthread_should_stop() &&
3101 !freezing(current)) {
3102 schedule();
3103 continue;
3104 }
3105 break;
3106 }
3107 current->state = TASK_RUNNING;
3108 remove_wait_queue(&ai->thr_wait, &wait);
3109 locked = 1;
3110 }
3111
3112 if (locked)
3113 continue;
3114
3115 if (test_bit(JOB_DIE, &ai->jobs)) {
3116 up(&ai->sem);
3117 break;
3118 }
3119
3120 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3121 up(&ai->sem);
3122 continue;
3123 }
3124
3125 if (test_bit(JOB_XMIT, &ai->jobs))
3126 airo_end_xmit(dev);
3127 else if (test_bit(JOB_XMIT11, &ai->jobs))
3128 airo_end_xmit11(dev);
3129 else if (test_bit(JOB_STATS, &ai->jobs))
3130 airo_read_stats(dev);
3131 else if (test_bit(JOB_WSTATS, &ai->jobs))
3132 airo_read_wireless_stats(ai);
3133 else if (test_bit(JOB_PROMISC, &ai->jobs))
3134 airo_set_promisc(ai);
3135 else if (test_bit(JOB_MIC, &ai->jobs))
3136 micinit(ai);
3137 else if (test_bit(JOB_EVENT, &ai->jobs))
3138 airo_send_event(dev);
3139 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3140 timer_func(dev);
3141 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3142 airo_process_scan_results(ai);
3143 else /* Shouldn't get here, but we make sure to unlock */
3144 up(&ai->sem);
3145 }
3146
3147 return 0;
3148 }
3149
3150 static int header_len(__le16 ctl)
3151 {
3152 u16 fc = le16_to_cpu(ctl);
3153 switch (fc & 0xc) {
3154 case 4:
3155 if ((fc & 0xe0) == 0xc0)
3156 return 10; /* one-address control packet */
3157 return 16; /* two-address control packet */
3158 case 8:
3159 if ((fc & 0x300) == 0x300)
3160 return 30; /* WDS packet */
3161 }
3162 return 24;
3163 }
3164
3165 static void airo_handle_cisco_mic(struct airo_info *ai)
3166 {
3167 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3168 set_bit(JOB_MIC, &ai->jobs);
3169 wake_up_interruptible(&ai->thr_wait);
3170 }
3171 }
3172
3173 /* Airo Status codes */
3174 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3175 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3176 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3177 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3178 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3179 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3180 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3181 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3182 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3183 #define STAT_ASSOC 0x0400 /* Associated */
3184 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3185
3186 static void airo_print_status(const char *devname, u16 status)
3187 {
3188 u8 reason = status & 0xFF;
3189
3190 switch (status & 0xFF00) {
3191 case STAT_NOBEACON:
3192 switch (status) {
3193 case STAT_NOBEACON:
3194 airo_print_dbg(devname, "link lost (missed beacons)");
3195 break;
3196 case STAT_MAXRETRIES:
3197 case STAT_MAXARL:
3198 airo_print_dbg(devname, "link lost (max retries)");
3199 break;
3200 case STAT_FORCELOSS:
3201 airo_print_dbg(devname, "link lost (local choice)");
3202 break;
3203 case STAT_TSFSYNC:
3204 airo_print_dbg(devname, "link lost (TSF sync lost)");
3205 break;
3206 default:
3207 airo_print_dbg(devname, "unknown status %x\n", status);
3208 break;
3209 }
3210 break;
3211 case STAT_DEAUTH:
3212 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3213 break;
3214 case STAT_DISASSOC:
3215 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3216 break;
3217 case STAT_ASSOC_FAIL:
3218 airo_print_dbg(devname, "association failed (reason: %d)",
3219 reason);
3220 break;
3221 case STAT_AUTH_FAIL:
3222 airo_print_dbg(devname, "authentication failed (reason: %d)",
3223 reason);
3224 break;
3225 case STAT_ASSOC:
3226 case STAT_REASSOC:
3227 break;
3228 default:
3229 airo_print_dbg(devname, "unknown status %x\n", status);
3230 break;
3231 }
3232 }
3233
3234 static void airo_handle_link(struct airo_info *ai)
3235 {
3236 union iwreq_data wrqu;
3237 int scan_forceloss = 0;
3238 u16 status;
3239
3240 /* Get new status and acknowledge the link change */
3241 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3242 OUT4500(ai, EVACK, EV_LINK);
3243
3244 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3245 scan_forceloss = 1;
3246
3247 airo_print_status(ai->dev->name, status);
3248
3249 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3250 if (auto_wep)
3251 ai->expires = 0;
3252 if (ai->list_bss_task)
3253 wake_up_process(ai->list_bss_task);
3254 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3255 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3256
3257 if (down_trylock(&ai->sem) != 0) {
3258 set_bit(JOB_EVENT, &ai->jobs);
3259 wake_up_interruptible(&ai->thr_wait);
3260 } else
3261 airo_send_event(ai->dev);
3262 netif_carrier_on(ai->dev);
3263 } else if (!scan_forceloss) {
3264 if (auto_wep && !ai->expires) {
3265 ai->expires = RUN_AT(3*HZ);
3266 wake_up_interruptible(&ai->thr_wait);
3267 }
3268
3269 /* Send event to user space */
3270 eth_zero_addr(wrqu.ap_addr.sa_data);
3271 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3272 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3273 netif_carrier_off(ai->dev);
3274 } else {
3275 netif_carrier_off(ai->dev);
3276 }
3277 }
3278
3279 static void airo_handle_rx(struct airo_info *ai)
3280 {
3281 struct sk_buff *skb = NULL;
3282 __le16 fc, v, *buffer, tmpbuf[4];
3283 u16 len, hdrlen = 0, gap, fid;
3284 struct rx_hdr hdr;
3285 int success = 0;
3286
3287 if (test_bit(FLAG_MPI, &ai->flags)) {
3288 if (test_bit(FLAG_802_11, &ai->flags))
3289 mpi_receive_802_11(ai);
3290 else
3291 mpi_receive_802_3(ai);
3292 OUT4500(ai, EVACK, EV_RX);
3293 return;
3294 }
3295
3296 fid = IN4500(ai, RXFID);
3297
3298 /* Get the packet length */
3299 if (test_bit(FLAG_802_11, &ai->flags)) {
3300 bap_setup (ai, fid, 4, BAP0);
3301 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3302 /* Bad CRC. Ignore packet */
3303 if (le16_to_cpu(hdr.status) & 2)
3304 hdr.len = 0;
3305 if (ai->wifidev == NULL)
3306 hdr.len = 0;
3307 } else {
3308 bap_setup(ai, fid, 0x36, BAP0);
3309 bap_read(ai, &hdr.len, 2, BAP0);
3310 }
3311 len = le16_to_cpu(hdr.len);
3312
3313 if (len > AIRO_DEF_MTU) {
3314 airo_print_err(ai->dev->name, "Bad size %d", len);
3315 goto done;
3316 }
3317 if (len == 0)
3318 goto done;
3319
3320 if (test_bit(FLAG_802_11, &ai->flags)) {
3321 bap_read(ai, &fc, sizeof (fc), BAP0);
3322 hdrlen = header_len(fc);
3323 } else
3324 hdrlen = ETH_ALEN * 2;
3325
3326 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3327 if (!skb) {
3328 ai->dev->stats.rx_dropped++;
3329 goto done;
3330 }
3331
3332 skb_reserve(skb, 2); /* This way the IP header is aligned */
3333 buffer = skb_put(skb, len + hdrlen);
3334 if (test_bit(FLAG_802_11, &ai->flags)) {
3335 buffer[0] = fc;
3336 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3337 if (hdrlen == 24)
3338 bap_read(ai, tmpbuf, 6, BAP0);
3339
3340 bap_read(ai, &v, sizeof(v), BAP0);
3341 gap = le16_to_cpu(v);
3342 if (gap) {
3343 if (gap <= 8) {
3344 bap_read(ai, tmpbuf, gap, BAP0);
3345 } else {
3346 airo_print_err(ai->dev->name, "gaplen too "
3347 "big. Problems will follow...");
3348 }
3349 }
3350 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3351 } else {
3352 MICBuffer micbuf;
3353
3354 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3355 if (ai->micstats.enabled) {
3356 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3357 if (ntohs(micbuf.typelen) > 0x05DC)
3358 bap_setup(ai, fid, 0x44, BAP0);
3359 else {
3360 if (len <= sizeof (micbuf)) {
3361 dev_kfree_skb_irq(skb);
3362 goto done;
3363 }
3364
3365 len -= sizeof(micbuf);
3366 skb_trim(skb, len + hdrlen);
3367 }
3368 }
3369
3370 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3371 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3372 dev_kfree_skb_irq (skb);
3373 else
3374 success = 1;
3375 }
3376
3377 #ifdef WIRELESS_SPY
3378 if (success && (ai->spy_data.spy_number > 0)) {
3379 char *sa;
3380 struct iw_quality wstats;
3381
3382 /* Prepare spy data : addr + qual */
3383 if (!test_bit(FLAG_802_11, &ai->flags)) {
3384 sa = (char *) buffer + 6;
3385 bap_setup(ai, fid, 8, BAP0);
3386 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3387 } else
3388 sa = (char *) buffer + 10;
3389 wstats.qual = hdr.rssi[0];
3390 if (ai->rssi)
3391 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3392 else
3393 wstats.level = (hdr.rssi[1] + 321) / 2;
3394 wstats.noise = ai->wstats.qual.noise;
3395 wstats.updated = IW_QUAL_LEVEL_UPDATED
3396 | IW_QUAL_QUAL_UPDATED
3397 | IW_QUAL_DBM;
3398 /* Update spy records */
3399 wireless_spy_update(ai->dev, sa, &wstats);
3400 }
3401 #endif /* WIRELESS_SPY */
3402
3403 done:
3404 OUT4500(ai, EVACK, EV_RX);
3405
3406 if (success) {
3407 if (test_bit(FLAG_802_11, &ai->flags)) {
3408 skb_reset_mac_header(skb);
3409 skb->pkt_type = PACKET_OTHERHOST;
3410 skb->dev = ai->wifidev;
3411 skb->protocol = htons(ETH_P_802_2);
3412 } else
3413 skb->protocol = eth_type_trans(skb, ai->dev);
3414 skb->ip_summed = CHECKSUM_NONE;
3415
3416 netif_rx(skb);
3417 }
3418 }
3419
3420 static void airo_handle_tx(struct airo_info *ai, u16 status)
3421 {
3422 int i, len = 0, index = -1;
3423 u16 fid;
3424
3425 if (test_bit(FLAG_MPI, &ai->flags)) {
3426 unsigned long flags;
3427
3428 if (status & EV_TXEXC)
3429 get_tx_error(ai, -1);
3430
3431 spin_lock_irqsave(&ai->aux_lock, flags);
3432 if (!skb_queue_empty(&ai->txq)) {
3433 spin_unlock_irqrestore(&ai->aux_lock,flags);
3434 mpi_send_packet(ai->dev);
3435 } else {
3436 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3437 spin_unlock_irqrestore(&ai->aux_lock,flags);
3438 netif_wake_queue(ai->dev);
3439 }
3440 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3441 return;
3442 }
3443
3444 fid = IN4500(ai, TXCOMPLFID);
3445
3446 for(i = 0; i < MAX_FIDS; i++) {
3447 if ((ai->fids[i] & 0xffff) == fid) {
3448 len = ai->fids[i] >> 16;
3449 index = i;
3450 }
3451 }
3452
3453 if (index != -1) {
3454 if (status & EV_TXEXC)
3455 get_tx_error(ai, index);
3456
3457 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3458
3459 /* Set up to be used again */
3460 ai->fids[index] &= 0xffff;
3461 if (index < MAX_FIDS / 2) {
3462 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3463 netif_wake_queue(ai->dev);
3464 } else {
3465 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3466 netif_wake_queue(ai->wifidev);
3467 }
3468 } else {
3469 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3470 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3471 }
3472 }
3473
3474 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3475 {
3476 struct net_device *dev = dev_id;
3477 u16 status, savedInterrupts = 0;
3478 struct airo_info *ai = dev->ml_priv;
3479 int handled = 0;
3480
3481 if (!netif_device_present(dev))
3482 return IRQ_NONE;
3483
3484 for (;;) {
3485 status = IN4500(ai, EVSTAT);
3486 if (!(status & STATUS_INTS) || (status == 0xffff))
3487 break;
3488
3489 handled = 1;
3490
3491 if (status & EV_AWAKE) {
3492 OUT4500(ai, EVACK, EV_AWAKE);
3493 OUT4500(ai, EVACK, EV_AWAKE);
3494 }
3495
3496 if (!savedInterrupts) {
3497 savedInterrupts = IN4500(ai, EVINTEN);
3498 OUT4500(ai, EVINTEN, 0);
3499 }
3500
3501 if (status & EV_MIC) {
3502 OUT4500(ai, EVACK, EV_MIC);
3503 airo_handle_cisco_mic(ai);
3504 }
3505
3506 if (status & EV_LINK) {
3507 /* Link status changed */
3508 airo_handle_link(ai);
3509 }
3510
3511 /* Check to see if there is something to receive */
3512 if (status & EV_RX)
3513 airo_handle_rx(ai);
3514
3515 /* Check to see if a packet has been transmitted */
3516 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3517 airo_handle_tx(ai, status);
3518
3519 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3520 airo_print_warn(ai->dev->name, "Got weird status %x",
3521 status & ~STATUS_INTS & ~IGNORE_INTS );
3522 }
3523 }
3524
3525 if (savedInterrupts)
3526 OUT4500(ai, EVINTEN, savedInterrupts);
3527
3528 return IRQ_RETVAL(handled);
3529 }
3530
3531 /*
3532 * Routines to talk to the card
3533 */
3534
3535 /*
3536 * This was originally written for the 4500, hence the name
3537 * NOTE: If use with 8bit mode and SMP bad things will happen!
3538 * Why would some one do 8 bit IO in an SMP machine?!?
3539 */
3540 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3541 if (test_bit(FLAG_MPI,&ai->flags))
3542 reg <<= 1;
3543 if ( !do8bitIO )
3544 outw( val, ai->dev->base_addr + reg );
3545 else {
3546 outb( val & 0xff, ai->dev->base_addr + reg );
3547 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3548 }
3549 }
3550
3551 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3552 unsigned short rc;
3553
3554 if (test_bit(FLAG_MPI,&ai->flags))
3555 reg <<= 1;
3556 if ( !do8bitIO )
3557 rc = inw( ai->dev->base_addr + reg );
3558 else {
3559 rc = inb( ai->dev->base_addr + reg );
3560 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3561 }
3562 return rc;
3563 }
3564
3565 static int enable_MAC(struct airo_info *ai, int lock)
3566 {
3567 int rc;
3568 Cmd cmd;
3569 Resp rsp;
3570
3571 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3572 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3573 * Note : we could try to use !netif_running(dev) in enable_MAC()
3574 * instead of this flag, but I don't trust it *within* the
3575 * open/close functions, and testing both flags together is
3576 * "cheaper" - Jean II */
3577 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3578
3579 if (lock && down_interruptible(&ai->sem))
3580 return -ERESTARTSYS;
3581
3582 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3583 memset(&cmd, 0, sizeof(cmd));
3584 cmd.cmd = MAC_ENABLE;
3585 rc = issuecommand(ai, &cmd, &rsp);
3586 if (rc == SUCCESS)
3587 set_bit(FLAG_ENABLED, &ai->flags);
3588 } else
3589 rc = SUCCESS;
3590
3591 if (lock)
3592 up(&ai->sem);
3593
3594 if (rc)
3595 airo_print_err(ai->dev->name, "Cannot enable MAC");
3596 else if ((rsp.status & 0xFF00) != 0) {
3597 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3598 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3599 rc = ERROR;
3600 }
3601 return rc;
3602 }
3603
3604 static void disable_MAC( struct airo_info *ai, int lock ) {
3605 Cmd cmd;
3606 Resp rsp;
3607
3608 if (lock == 1 && down_interruptible(&ai->sem))
3609 return;
3610
3611 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3612 if (lock != 2) /* lock == 2 means don't disable carrier */
3613 netif_carrier_off(ai->dev);
3614 memset(&cmd, 0, sizeof(cmd));
3615 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3616 issuecommand(ai, &cmd, &rsp);
3617 clear_bit(FLAG_ENABLED, &ai->flags);
3618 }
3619 if (lock == 1)
3620 up(&ai->sem);
3621 }
3622
3623 static void enable_interrupts( struct airo_info *ai ) {
3624 /* Enable the interrupts */
3625 OUT4500( ai, EVINTEN, STATUS_INTS );
3626 }
3627
3628 static void disable_interrupts( struct airo_info *ai ) {
3629 OUT4500( ai, EVINTEN, 0 );
3630 }
3631
3632 static void mpi_receive_802_3(struct airo_info *ai)
3633 {
3634 RxFid rxd;
3635 int len = 0;
3636 struct sk_buff *skb;
3637 char *buffer;
3638 int off = 0;
3639 MICBuffer micbuf;
3640
3641 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3642 /* Make sure we got something */
3643 if (rxd.rdy && rxd.valid == 0) {
3644 len = rxd.len + 12;
3645 if (len < 12 || len > 2048)
3646 goto badrx;
3647
3648 skb = dev_alloc_skb(len);
3649 if (!skb) {
3650 ai->dev->stats.rx_dropped++;
3651 goto badrx;
3652 }
3653 buffer = skb_put(skb,len);
3654 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3655 if (ai->micstats.enabled) {
3656 memcpy(&micbuf,
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3658 sizeof(micbuf));
3659 if (ntohs(micbuf.typelen) <= 0x05DC) {
3660 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3661 goto badmic;
3662
3663 off = sizeof(micbuf);
3664 skb_trim (skb, len - off);
3665 }
3666 }
3667 memcpy(buffer + ETH_ALEN * 2,
3668 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3669 len - ETH_ALEN * 2 - off);
3670 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3671 badmic:
3672 dev_kfree_skb_irq (skb);
3673 goto badrx;
3674 }
3675 #ifdef WIRELESS_SPY
3676 if (ai->spy_data.spy_number > 0) {
3677 char *sa;
3678 struct iw_quality wstats;
3679 /* Prepare spy data : addr + qual */
3680 sa = buffer + ETH_ALEN;
3681 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3682 wstats.level = 0;
3683 wstats.updated = 0;
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3686 }
3687 #endif /* WIRELESS_SPY */
3688
3689 skb->ip_summed = CHECKSUM_NONE;
3690 skb->protocol = eth_type_trans(skb, ai->dev);
3691 netif_rx(skb);
3692 }
3693 badrx:
3694 if (rxd.valid == 0) {
3695 rxd.valid = 1;
3696 rxd.rdy = 0;
3697 rxd.len = PKTSIZE;
3698 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3699 }
3700 }
3701
3702 static void mpi_receive_802_11(struct airo_info *ai)
3703 {
3704 RxFid rxd;
3705 struct sk_buff *skb = NULL;
3706 u16 len, hdrlen = 0;
3707 __le16 fc;
3708 struct rx_hdr hdr;
3709 u16 gap;
3710 u16 *buffer;
3711 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3712
3713 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3714 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3715 ptr += sizeof(hdr);
3716 /* Bad CRC. Ignore packet */
3717 if (le16_to_cpu(hdr.status) & 2)
3718 hdr.len = 0;
3719 if (ai->wifidev == NULL)
3720 hdr.len = 0;
3721 len = le16_to_cpu(hdr.len);
3722 if (len > AIRO_DEF_MTU) {
3723 airo_print_err(ai->dev->name, "Bad size %d", len);
3724 goto badrx;
3725 }
3726 if (len == 0)
3727 goto badrx;
3728
3729 fc = get_unaligned((__le16 *)ptr);
3730 hdrlen = header_len(fc);
3731
3732 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 if ( !skb ) {
3734 ai->dev->stats.rx_dropped++;
3735 goto badrx;
3736 }
3737 buffer = skb_put(skb, len + hdrlen);
3738 memcpy ((char *)buffer, ptr, hdrlen);
3739 ptr += hdrlen;
3740 if (hdrlen == 24)
3741 ptr += 6;
3742 gap = get_unaligned_le16(ptr);
3743 ptr += sizeof(__le16);
3744 if (gap) {
3745 if (gap <= 8)
3746 ptr += gap;
3747 else
3748 airo_print_err(ai->dev->name,
3749 "gaplen too big. Problems will follow...");
3750 }
3751 memcpy ((char *)buffer + hdrlen, ptr, len);
3752 ptr += len;
3753 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3754 if (ai->spy_data.spy_number > 0) {
3755 char *sa;
3756 struct iw_quality wstats;
3757 /* Prepare spy data : addr + qual */
3758 sa = (char*)buffer + 10;
3759 wstats.qual = hdr.rssi[0];
3760 if (ai->rssi)
3761 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3762 else
3763 wstats.level = (hdr.rssi[1] + 321) / 2;
3764 wstats.noise = ai->wstats.qual.noise;
3765 wstats.updated = IW_QUAL_QUAL_UPDATED
3766 | IW_QUAL_LEVEL_UPDATED
3767 | IW_QUAL_DBM;
3768 /* Update spy records */
3769 wireless_spy_update(ai->dev, sa, &wstats);
3770 }
3771 #endif /* IW_WIRELESS_SPY */
3772 skb_reset_mac_header(skb);
3773 skb->pkt_type = PACKET_OTHERHOST;
3774 skb->dev = ai->wifidev;
3775 skb->protocol = htons(ETH_P_802_2);
3776 skb->ip_summed = CHECKSUM_NONE;
3777 netif_rx( skb );
3778
3779 badrx:
3780 if (rxd.valid == 0) {
3781 rxd.valid = 1;
3782 rxd.rdy = 0;
3783 rxd.len = PKTSIZE;
3784 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3785 }
3786 }
3787
3788 static inline void set_auth_type(struct airo_info *local, int auth_type)
3789 {
3790 local->config.authType = auth_type;
3791 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3792 * Used by airo_set_auth()
3793 */
3794 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3795 local->last_auth = auth_type;
3796 }
3797
3798 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3799 {
3800 Cmd cmd;
3801 Resp rsp;
3802 int status;
3803 SsidRid mySsid;
3804 __le16 lastindex;
3805 WepKeyRid wkr;
3806 int rc;
3807
3808 memset( &mySsid, 0, sizeof( mySsid ) );
3809 kfree (ai->flash);
3810 ai->flash = NULL;
3811
3812 /* The NOP is the first step in getting the card going */
3813 cmd.cmd = NOP;
3814 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3815 if (lock && down_interruptible(&ai->sem))
3816 return ERROR;
3817 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3818 if (lock)
3819 up(&ai->sem);
3820 return ERROR;
3821 }
3822 disable_MAC( ai, 0);
3823
3824 // Let's figure out if we need to use the AUX port
3825 if (!test_bit(FLAG_MPI,&ai->flags)) {
3826 cmd.cmd = CMD_ENABLEAUX;
3827 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3828 if (lock)
3829 up(&ai->sem);
3830 airo_print_err(ai->dev->name, "Error checking for AUX port");
3831 return ERROR;
3832 }
3833 if (!aux_bap || rsp.status & 0xff00) {
3834 ai->bap_read = fast_bap_read;
3835 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3836 } else {
3837 ai->bap_read = aux_bap_read;
3838 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3839 }
3840 }
3841 if (lock)
3842 up(&ai->sem);
3843 if (ai->config.len == 0) {
3844 int i;
3845 tdsRssiRid rssi_rid;
3846 CapabilityRid cap_rid;
3847
3848 kfree(ai->SSID);
3849 ai->SSID = NULL;
3850 // general configuration (read/modify/write)
3851 status = readConfigRid(ai, lock);
3852 if ( status != SUCCESS ) return ERROR;
3853
3854 status = readCapabilityRid(ai, &cap_rid, lock);
3855 if ( status != SUCCESS ) return ERROR;
3856
3857 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3858 if ( status == SUCCESS ) {
3859 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3860 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3861 }
3862 else {
3863 kfree(ai->rssi);
3864 ai->rssi = NULL;
3865 if (cap_rid.softCap & cpu_to_le16(8))
3866 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3867 else
3868 airo_print_warn(ai->dev->name, "unknown received signal "
3869 "level scale");
3870 }
3871 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3872 set_auth_type(ai, AUTH_OPEN);
3873 ai->config.modulation = MOD_CCK;
3874
3875 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3876 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3877 micsetup(ai) == SUCCESS) {
3878 ai->config.opmode |= MODE_MIC;
3879 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3880 }
3881
3882 /* Save off the MAC */
3883 for( i = 0; i < ETH_ALEN; i++ ) {
3884 mac[i] = ai->config.macAddr[i];
3885 }
3886
3887 /* Check to see if there are any insmod configured
3888 rates to add */
3889 if ( rates[0] ) {
3890 memset(ai->config.rates,0,sizeof(ai->config.rates));
3891 for( i = 0; i < 8 && rates[i]; i++ ) {
3892 ai->config.rates[i] = rates[i];
3893 }
3894 }
3895 set_bit (FLAG_COMMIT, &ai->flags);
3896 }
3897
3898 /* Setup the SSIDs if present */
3899 if ( ssids[0] ) {
3900 int i;
3901 for( i = 0; i < 3 && ssids[i]; i++ ) {
3902 size_t len = strlen(ssids[i]);
3903 if (len > 32)
3904 len = 32;
3905 mySsid.ssids[i].len = cpu_to_le16(len);
3906 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3907 }
3908 mySsid.len = cpu_to_le16(sizeof(mySsid));
3909 }
3910
3911 status = writeConfigRid(ai, lock);
3912 if ( status != SUCCESS ) return ERROR;
3913
3914 /* Set up the SSID list */
3915 if ( ssids[0] ) {
3916 status = writeSsidRid(ai, &mySsid, lock);
3917 if ( status != SUCCESS ) return ERROR;
3918 }
3919
3920 status = enable_MAC(ai, lock);
3921 if (status != SUCCESS)
3922 return ERROR;
3923
3924 /* Grab the initial wep key, we gotta save it for auto_wep */
3925 rc = readWepKeyRid(ai, &wkr, 1, lock);
3926 if (rc == SUCCESS) do {
3927 lastindex = wkr.kindex;
3928 if (wkr.kindex == cpu_to_le16(0xffff)) {
3929 ai->defindex = wkr.mac[0];
3930 }
3931 rc = readWepKeyRid(ai, &wkr, 0, lock);
3932 } while(lastindex != wkr.kindex);
3933
3934 try_auto_wep(ai);
3935
3936 return SUCCESS;
3937 }
3938
3939 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3940 // Im really paranoid about letting it run forever!
3941 int max_tries = 600000;
3942
3943 if (IN4500(ai, EVSTAT) & EV_CMD)
3944 OUT4500(ai, EVACK, EV_CMD);
3945
3946 OUT4500(ai, PARAM0, pCmd->parm0);
3947 OUT4500(ai, PARAM1, pCmd->parm1);
3948 OUT4500(ai, PARAM2, pCmd->parm2);
3949 OUT4500(ai, COMMAND, pCmd->cmd);
3950
3951 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3952 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3953 // PC4500 didn't notice command, try again
3954 OUT4500(ai, COMMAND, pCmd->cmd);
3955 if (!in_atomic() && (max_tries & 255) == 0)
3956 schedule();
3957 }
3958
3959 if ( max_tries == -1 ) {
3960 airo_print_err(ai->dev->name,
3961 "Max tries exceeded when issuing command");
3962 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3964 return ERROR;
3965 }
3966
3967 // command completed
3968 pRsp->status = IN4500(ai, STATUS);
3969 pRsp->rsp0 = IN4500(ai, RESP0);
3970 pRsp->rsp1 = IN4500(ai, RESP1);
3971 pRsp->rsp2 = IN4500(ai, RESP2);
3972 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3973 airo_print_err(ai->dev->name,
3974 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3975 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3976 pRsp->rsp2);
3977
3978 // clear stuck command busy if necessary
3979 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3980 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3981 }
3982 // acknowledge processing the status/response
3983 OUT4500(ai, EVACK, EV_CMD);
3984
3985 return SUCCESS;
3986 }
3987
3988 /* Sets up the bap to start exchange data. whichbap should
3989 * be one of the BAP0 or BAP1 defines. Locks should be held before
3990 * calling! */
3991 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3992 {
3993 int timeout = 50;
3994 int max_tries = 3;
3995
3996 OUT4500(ai, SELECT0+whichbap, rid);
3997 OUT4500(ai, OFFSET0+whichbap, offset);
3998 while (1) {
3999 int status = IN4500(ai, OFFSET0+whichbap);
4000 if (status & BAP_BUSY) {
4001 /* This isn't really a timeout, but its kinda
4002 close */
4003 if (timeout--) {
4004 continue;
4005 }
4006 } else if ( status & BAP_ERR ) {
4007 /* invalid rid or offset */
4008 airo_print_err(ai->dev->name, "BAP error %x %d",
4009 status, whichbap );
4010 return ERROR;
4011 } else if (status & BAP_DONE) { // success
4012 return SUCCESS;
4013 }
4014 if ( !(max_tries--) ) {
4015 airo_print_err(ai->dev->name,
4016 "BAP setup error too many retries\n");
4017 return ERROR;
4018 }
4019 // -- PC4500 missed it, try again
4020 OUT4500(ai, SELECT0+whichbap, rid);
4021 OUT4500(ai, OFFSET0+whichbap, offset);
4022 timeout = 50;
4023 }
4024 }
4025
4026 /* should only be called by aux_bap_read. This aux function and the
4027 following use concepts not documented in the developers guide. I
4028 got them from a patch given to my by Aironet */
4029 static u16 aux_setup(struct airo_info *ai, u16 page,
4030 u16 offset, u16 *len)
4031 {
4032 u16 next;
4033
4034 OUT4500(ai, AUXPAGE, page);
4035 OUT4500(ai, AUXOFF, 0);
4036 next = IN4500(ai, AUXDATA);
4037 *len = IN4500(ai, AUXDATA)&0xff;
4038 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4039 return next;
4040 }
4041
4042 /* requires call to bap_setup() first */
4043 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4044 int bytelen, int whichbap)
4045 {
4046 u16 len;
4047 u16 page;
4048 u16 offset;
4049 u16 next;
4050 int words;
4051 int i;
4052 unsigned long flags;
4053
4054 spin_lock_irqsave(&ai->aux_lock, flags);
4055 page = IN4500(ai, SWS0+whichbap);
4056 offset = IN4500(ai, SWS2+whichbap);
4057 next = aux_setup(ai, page, offset, &len);
4058 words = (bytelen+1)>>1;
4059
4060 for (i=0; i<words;) {
4061 int count;
4062 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4063 if ( !do8bitIO )
4064 insw( ai->dev->base_addr+DATA0+whichbap,
4065 pu16Dst+i,count );
4066 else
4067 insb( ai->dev->base_addr+DATA0+whichbap,
4068 pu16Dst+i, count << 1 );
4069 i += count;
4070 if (i<words) {
4071 next = aux_setup(ai, next, 4, &len);
4072 }
4073 }
4074 spin_unlock_irqrestore(&ai->aux_lock, flags);
4075 return SUCCESS;
4076 }
4077
4078
4079 /* requires call to bap_setup() first */
4080 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4081 int bytelen, int whichbap)
4082 {
4083 bytelen = (bytelen + 1) & (~1); // round up to even value
4084 if ( !do8bitIO )
4085 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4086 else
4087 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4088 return SUCCESS;
4089 }
4090
4091 /* requires call to bap_setup() first */
4092 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4093 int bytelen, int whichbap)
4094 {
4095 bytelen = (bytelen + 1) & (~1); // round up to even value
4096 if ( !do8bitIO )
4097 outsw( ai->dev->base_addr+DATA0+whichbap,
4098 pu16Src, bytelen>>1 );
4099 else
4100 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4101 return SUCCESS;
4102 }
4103
4104 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4105 {
4106 Cmd cmd; /* for issuing commands */
4107 Resp rsp; /* response from commands */
4108 u16 status;
4109
4110 memset(&cmd, 0, sizeof(cmd));
4111 cmd.cmd = accmd;
4112 cmd.parm0 = rid;
4113 status = issuecommand(ai, &cmd, &rsp);
4114 if (status != 0) return status;
4115 if ( (rsp.status & 0x7F00) != 0) {
4116 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4117 }
4118 return 0;
4119 }
4120
4121 /* Note, that we are using BAP1 which is also used by transmit, so
4122 * we must get a lock. */
4123 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4124 {
4125 u16 status;
4126 int rc = SUCCESS;
4127
4128 if (lock) {
4129 if (down_interruptible(&ai->sem))
4130 return ERROR;
4131 }
4132 if (test_bit(FLAG_MPI,&ai->flags)) {
4133 Cmd cmd;
4134 Resp rsp;
4135
4136 memset(&cmd, 0, sizeof(cmd));
4137 memset(&rsp, 0, sizeof(rsp));
4138 ai->config_desc.rid_desc.valid = 1;
4139 ai->config_desc.rid_desc.len = RIDSIZE;
4140 ai->config_desc.rid_desc.rid = 0;
4141 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4142
4143 cmd.cmd = CMD_ACCESS;
4144 cmd.parm0 = rid;
4145
4146 memcpy_toio(ai->config_desc.card_ram_off,
4147 &ai->config_desc.rid_desc, sizeof(Rid));
4148
4149 rc = issuecommand(ai, &cmd, &rsp);
4150
4151 if (rsp.status & 0x7f00)
4152 rc = rsp.rsp0;
4153 if (!rc)
4154 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4155 goto done;
4156 } else {
4157 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4158 rc = status;
4159 goto done;
4160 }
4161 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4162 rc = ERROR;
4163 goto done;
4164 }
4165 // read the rid length field
4166 bap_read(ai, pBuf, 2, BAP1);
4167 // length for remaining part of rid
4168 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4169
4170 if ( len <= 2 ) {
4171 airo_print_err(ai->dev->name,
4172 "Rid %x has a length of %d which is too short",
4173 (int)rid, (int)len );
4174 rc = ERROR;
4175 goto done;
4176 }
4177 // read remainder of the rid
4178 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4179 }
4180 done:
4181 if (lock)
4182 up(&ai->sem);
4183 return rc;
4184 }
4185
4186 /* Note, that we are using BAP1 which is also used by transmit, so
4187 * make sure this isn't called when a transmit is happening */
4188 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4189 const void *pBuf, int len, int lock)
4190 {
4191 u16 status;
4192 int rc = SUCCESS;
4193
4194 *(__le16*)pBuf = cpu_to_le16((u16)len);
4195
4196 if (lock) {
4197 if (down_interruptible(&ai->sem))
4198 return ERROR;
4199 }
4200 if (test_bit(FLAG_MPI,&ai->flags)) {
4201 Cmd cmd;
4202 Resp rsp;
4203
4204 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4205 airo_print_err(ai->dev->name,
4206 "%s: MAC should be disabled (rid=%04x)",
4207 __func__, rid);
4208 memset(&cmd, 0, sizeof(cmd));
4209 memset(&rsp, 0, sizeof(rsp));
4210
4211 ai->config_desc.rid_desc.valid = 1;
4212 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4213 ai->config_desc.rid_desc.rid = 0;
4214
4215 cmd.cmd = CMD_WRITERID;
4216 cmd.parm0 = rid;
4217
4218 memcpy_toio(ai->config_desc.card_ram_off,
4219 &ai->config_desc.rid_desc, sizeof(Rid));
4220
4221 if (len < 4 || len > 2047) {
4222 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4223 rc = -1;
4224 } else {
4225 memcpy(ai->config_desc.virtual_host_addr,
4226 pBuf, len);
4227
4228 rc = issuecommand(ai, &cmd, &rsp);
4229 if ((rc & 0xff00) != 0) {
4230 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4231 __func__, rc);
4232 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4233 __func__, cmd.cmd);
4234 }
4235
4236 if ((rsp.status & 0x7f00))
4237 rc = rsp.rsp0;
4238 }
4239 } else {
4240 // --- first access so that we can write the rid data
4241 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4242 rc = status;
4243 goto done;
4244 }
4245 // --- now write the rid data
4246 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4247 rc = ERROR;
4248 goto done;
4249 }
4250 bap_write(ai, pBuf, len, BAP1);
4251 // ---now commit the rid data
4252 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4253 }
4254 done:
4255 if (lock)
4256 up(&ai->sem);
4257 return rc;
4258 }
4259
4260 /* Allocates a FID to be used for transmitting packets. We only use
4261 one for now. */
4262 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4263 {
4264 unsigned int loop = 3000;
4265 Cmd cmd;
4266 Resp rsp;
4267 u16 txFid;
4268 __le16 txControl;
4269
4270 cmd.cmd = CMD_ALLOCATETX;
4271 cmd.parm0 = lenPayload;
4272 if (down_interruptible(&ai->sem))
4273 return ERROR;
4274 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4275 txFid = ERROR;
4276 goto done;
4277 }
4278 if ( (rsp.status & 0xFF00) != 0) {
4279 txFid = ERROR;
4280 goto done;
4281 }
4282 /* wait for the allocate event/indication
4283 * It makes me kind of nervous that this can just sit here and spin,
4284 * but in practice it only loops like four times. */
4285 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4286 if (!loop) {
4287 txFid = ERROR;
4288 goto done;
4289 }
4290
4291 // get the allocated fid and acknowledge
4292 txFid = IN4500(ai, TXALLOCFID);
4293 OUT4500(ai, EVACK, EV_ALLOC);
4294
4295 /* The CARD is pretty cool since it converts the ethernet packet
4296 * into 802.11. Also note that we don't release the FID since we
4297 * will be using the same one over and over again. */
4298 /* We only have to setup the control once since we are not
4299 * releasing the fid. */
4300 if (raw)
4301 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4302 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4303 else
4304 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4305 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4306 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4307 txFid = ERROR;
4308 else
4309 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4310
4311 done:
4312 up(&ai->sem);
4313
4314 return txFid;
4315 }
4316
4317 /* In general BAP1 is dedicated to transmiting packets. However,
4318 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4319 Make sure the BAP1 spinlock is held when this is called. */
4320 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4321 {
4322 __le16 payloadLen;
4323 Cmd cmd;
4324 Resp rsp;
4325 int miclen = 0;
4326 u16 txFid = len;
4327 MICBuffer pMic;
4328
4329 len >>= 16;
4330
4331 if (len <= ETH_ALEN * 2) {
4332 airo_print_warn(ai->dev->name, "Short packet %d", len);
4333 return ERROR;
4334 }
4335 len -= ETH_ALEN * 2;
4336
4337 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4338 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4339 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4340 return ERROR;
4341 miclen = sizeof(pMic);
4342 }
4343 // packet is destination[6], source[6], payload[len-12]
4344 // write the payload length and dst/src/payload
4345 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4346 /* The hardware addresses aren't counted as part of the payload, so
4347 * we have to subtract the 12 bytes for the addresses off */
4348 payloadLen = cpu_to_le16(len + miclen);
4349 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4350 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4351 if (miclen)
4352 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4353 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4354 // issue the transmit command
4355 memset( &cmd, 0, sizeof( cmd ) );
4356 cmd.cmd = CMD_TRANSMIT;
4357 cmd.parm0 = txFid;
4358 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4359 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4360 return SUCCESS;
4361 }
4362
4363 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4364 {
4365 __le16 fc, payloadLen;
4366 Cmd cmd;
4367 Resp rsp;
4368 int hdrlen;
4369 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4370 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4371 u16 txFid = len;
4372 len >>= 16;
4373
4374 fc = *(__le16*)pPacket;
4375 hdrlen = header_len(fc);
4376
4377 if (len < hdrlen) {
4378 airo_print_warn(ai->dev->name, "Short packet %d", len);
4379 return ERROR;
4380 }
4381
4382 /* packet is 802.11 header + payload
4383 * write the payload length and dst/src/payload */
4384 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4385 /* The 802.11 header aren't counted as part of the payload, so
4386 * we have to subtract the header bytes off */
4387 payloadLen = cpu_to_le16(len-hdrlen);
4388 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4389 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4390 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4391 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4392
4393 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4394 // issue the transmit command
4395 memset( &cmd, 0, sizeof( cmd ) );
4396 cmd.cmd = CMD_TRANSMIT;
4397 cmd.parm0 = txFid;
4398 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4399 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4400 return SUCCESS;
4401 }
4402
4403 /*
4404 * This is the proc_fs routines. It is a bit messier than I would
4405 * like! Feel free to clean it up!
4406 */
4407
4408 static ssize_t proc_read( struct file *file,
4409 char __user *buffer,
4410 size_t len,
4411 loff_t *offset);
4412
4413 static ssize_t proc_write( struct file *file,
4414 const char __user *buffer,
4415 size_t len,
4416 loff_t *offset );
4417 static int proc_close( struct inode *inode, struct file *file );
4418
4419 static int proc_stats_open( struct inode *inode, struct file *file );
4420 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4421 static int proc_status_open( struct inode *inode, struct file *file );
4422 static int proc_SSID_open( struct inode *inode, struct file *file );
4423 static int proc_APList_open( struct inode *inode, struct file *file );
4424 static int proc_BSSList_open( struct inode *inode, struct file *file );
4425 static int proc_config_open( struct inode *inode, struct file *file );
4426 static int proc_wepkey_open( struct inode *inode, struct file *file );
4427
4428 static const struct file_operations proc_statsdelta_ops = {
4429 .owner = THIS_MODULE,
4430 .read = proc_read,
4431 .open = proc_statsdelta_open,
4432 .release = proc_close,
4433 .llseek = default_llseek,
4434 };
4435
4436 static const struct file_operations proc_stats_ops = {
4437 .owner = THIS_MODULE,
4438 .read = proc_read,
4439 .open = proc_stats_open,
4440 .release = proc_close,
4441 .llseek = default_llseek,
4442 };
4443
4444 static const struct file_operations proc_status_ops = {
4445 .owner = THIS_MODULE,
4446 .read = proc_read,
4447 .open = proc_status_open,
4448 .release = proc_close,
4449 .llseek = default_llseek,
4450 };
4451
4452 static const struct file_operations proc_SSID_ops = {
4453 .owner = THIS_MODULE,
4454 .read = proc_read,
4455 .write = proc_write,
4456 .open = proc_SSID_open,
4457 .release = proc_close,
4458 .llseek = default_llseek,
4459 };
4460
4461 static const struct file_operations proc_BSSList_ops = {
4462 .owner = THIS_MODULE,
4463 .read = proc_read,
4464 .write = proc_write,
4465 .open = proc_BSSList_open,
4466 .release = proc_close,
4467 .llseek = default_llseek,
4468 };
4469
4470 static const struct file_operations proc_APList_ops = {
4471 .owner = THIS_MODULE,
4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_APList_open,
4475 .release = proc_close,
4476 .llseek = default_llseek,
4477 };
4478
4479 static const struct file_operations proc_config_ops = {
4480 .owner = THIS_MODULE,
4481 .read = proc_read,
4482 .write = proc_write,
4483 .open = proc_config_open,
4484 .release = proc_close,
4485 .llseek = default_llseek,
4486 };
4487
4488 static const struct file_operations proc_wepkey_ops = {
4489 .owner = THIS_MODULE,
4490 .read = proc_read,
4491 .write = proc_write,
4492 .open = proc_wepkey_open,
4493 .release = proc_close,
4494 .llseek = default_llseek,
4495 };
4496
4497 static struct proc_dir_entry *airo_entry;
4498
4499 struct proc_data {
4500 int release_buffer;
4501 int readlen;
4502 char *rbuffer;
4503 int writelen;
4504 int maxwritelen;
4505 char *wbuffer;
4506 void (*on_close) (struct inode *, struct file *);
4507 };
4508
4509 static int setup_proc_entry( struct net_device *dev,
4510 struct airo_info *apriv ) {
4511 struct proc_dir_entry *entry;
4512
4513 /* First setup the device directory */
4514 strcpy(apriv->proc_name,dev->name);
4515 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4516 airo_entry);
4517 if (!apriv->proc_entry)
4518 return -ENOMEM;
4519 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4520
4521 /* Setup the StatsDelta */
4522 entry = proc_create_data("StatsDelta", 0444 & proc_perm,
4523 apriv->proc_entry, &proc_statsdelta_ops, dev);
4524 if (!entry)
4525 goto fail;
4526 proc_set_user(entry, proc_kuid, proc_kgid);
4527
4528 /* Setup the Stats */
4529 entry = proc_create_data("Stats", 0444 & proc_perm,
4530 apriv->proc_entry, &proc_stats_ops, dev);
4531 if (!entry)
4532 goto fail;
4533 proc_set_user(entry, proc_kuid, proc_kgid);
4534
4535 /* Setup the Status */
4536 entry = proc_create_data("Status", 0444 & proc_perm,
4537 apriv->proc_entry, &proc_status_ops, dev);
4538 if (!entry)
4539 goto fail;
4540 proc_set_user(entry, proc_kuid, proc_kgid);
4541
4542 /* Setup the Config */
4543 entry = proc_create_data("Config", proc_perm,
4544 apriv->proc_entry, &proc_config_ops, dev);
4545 if (!entry)
4546 goto fail;
4547 proc_set_user(entry, proc_kuid, proc_kgid);
4548
4549 /* Setup the SSID */
4550 entry = proc_create_data("SSID", proc_perm,
4551 apriv->proc_entry, &proc_SSID_ops, dev);
4552 if (!entry)
4553 goto fail;
4554 proc_set_user(entry, proc_kuid, proc_kgid);
4555
4556 /* Setup the APList */
4557 entry = proc_create_data("APList", proc_perm,
4558 apriv->proc_entry, &proc_APList_ops, dev);
4559 if (!entry)
4560 goto fail;
4561 proc_set_user(entry, proc_kuid, proc_kgid);
4562
4563 /* Setup the BSSList */
4564 entry = proc_create_data("BSSList", proc_perm,
4565 apriv->proc_entry, &proc_BSSList_ops, dev);
4566 if (!entry)
4567 goto fail;
4568 proc_set_user(entry, proc_kuid, proc_kgid);
4569
4570 /* Setup the WepKey */
4571 entry = proc_create_data("WepKey", proc_perm,
4572 apriv->proc_entry, &proc_wepkey_ops, dev);
4573 if (!entry)
4574 goto fail;
4575 proc_set_user(entry, proc_kuid, proc_kgid);
4576 return 0;
4577
4578 fail:
4579 remove_proc_subtree(apriv->proc_name, airo_entry);
4580 return -ENOMEM;
4581 }
4582
4583 static int takedown_proc_entry( struct net_device *dev,
4584 struct airo_info *apriv )
4585 {
4586 remove_proc_subtree(apriv->proc_name, airo_entry);
4587 return 0;
4588 }
4589
4590 /*
4591 * What we want from the proc_fs is to be able to efficiently read
4592 * and write the configuration. To do this, we want to read the
4593 * configuration when the file is opened and write it when the file is
4594 * closed. So basically we allocate a read buffer at open and fill it
4595 * with data, and allocate a write buffer and read it at close.
4596 */
4597
4598 /*
4599 * The read routine is generic, it relies on the preallocated rbuffer
4600 * to supply the data.
4601 */
4602 static ssize_t proc_read( struct file *file,
4603 char __user *buffer,
4604 size_t len,
4605 loff_t *offset )
4606 {
4607 struct proc_data *priv = file->private_data;
4608
4609 if (!priv->rbuffer)
4610 return -EINVAL;
4611
4612 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4613 priv->readlen);
4614 }
4615
4616 /*
4617 * The write routine is generic, it fills in a preallocated rbuffer
4618 * to supply the data.
4619 */
4620 static ssize_t proc_write( struct file *file,
4621 const char __user *buffer,
4622 size_t len,
4623 loff_t *offset )
4624 {
4625 ssize_t ret;
4626 struct proc_data *priv = file->private_data;
4627
4628 if (!priv->wbuffer)
4629 return -EINVAL;
4630
4631 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4632 buffer, len);
4633 if (ret > 0)
4634 priv->writelen = max_t(int, priv->writelen, *offset);
4635
4636 return ret;
4637 }
4638
4639 static int proc_status_open(struct inode *inode, struct file *file)
4640 {
4641 struct proc_data *data;
4642 struct net_device *dev = PDE_DATA(inode);
4643 struct airo_info *apriv = dev->ml_priv;
4644 CapabilityRid cap_rid;
4645 StatusRid status_rid;
4646 u16 mode;
4647 int i;
4648
4649 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4650 return -ENOMEM;
4651 data = file->private_data;
4652 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4653 kfree (file->private_data);
4654 return -ENOMEM;
4655 }
4656
4657 readStatusRid(apriv, &status_rid, 1);
4658 readCapabilityRid(apriv, &cap_rid, 1);
4659
4660 mode = le16_to_cpu(status_rid.mode);
4661
4662 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4663 mode & 1 ? "CFG ": "",
4664 mode & 2 ? "ACT ": "",
4665 mode & 0x10 ? "SYN ": "",
4666 mode & 0x20 ? "LNK ": "",
4667 mode & 0x40 ? "LEAP ": "",
4668 mode & 0x80 ? "PRIV ": "",
4669 mode & 0x100 ? "KEY ": "",
4670 mode & 0x200 ? "WEP ": "",
4671 mode & 0x8000 ? "ERR ": "");
4672 sprintf( data->rbuffer+i, "Mode: %x\n"
4673 "Signal Strength: %d\n"
4674 "Signal Quality: %d\n"
4675 "SSID: %-.*s\n"
4676 "AP: %-.16s\n"
4677 "Freq: %d\n"
4678 "BitRate: %dmbs\n"
4679 "Driver Version: %s\n"
4680 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4681 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4682 "Software Version: %x\nSoftware Subversion: %x\n"
4683 "Boot block version: %x\n",
4684 le16_to_cpu(status_rid.mode),
4685 le16_to_cpu(status_rid.normalizedSignalStrength),
4686 le16_to_cpu(status_rid.signalQuality),
4687 le16_to_cpu(status_rid.SSIDlen),
4688 status_rid.SSID,
4689 status_rid.apName,
4690 le16_to_cpu(status_rid.channel),
4691 le16_to_cpu(status_rid.currentXmitRate) / 2,
4692 version,
4693 cap_rid.prodName,
4694 cap_rid.manName,
4695 cap_rid.prodVer,
4696 le16_to_cpu(cap_rid.radioType),
4697 le16_to_cpu(cap_rid.country),
4698 le16_to_cpu(cap_rid.hardVer),
4699 le16_to_cpu(cap_rid.softVer),
4700 le16_to_cpu(cap_rid.softSubVer),
4701 le16_to_cpu(cap_rid.bootBlockVer));
4702 data->readlen = strlen( data->rbuffer );
4703 return 0;
4704 }
4705
4706 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4707 static int proc_statsdelta_open( struct inode *inode,
4708 struct file *file ) {
4709 if (file->f_mode&FMODE_WRITE) {
4710 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4711 }
4712 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4713 }
4714
4715 static int proc_stats_open( struct inode *inode, struct file *file ) {
4716 return proc_stats_rid_open(inode, file, RID_STATS);
4717 }
4718
4719 static int proc_stats_rid_open( struct inode *inode,
4720 struct file *file,
4721 u16 rid )
4722 {
4723 struct proc_data *data;
4724 struct net_device *dev = PDE_DATA(inode);
4725 struct airo_info *apriv = dev->ml_priv;
4726 StatsRid stats;
4727 int i, j;
4728 __le32 *vals = stats.vals;
4729 int len;
4730
4731 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4732 return -ENOMEM;
4733 data = file->private_data;
4734 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4735 kfree (file->private_data);
4736 return -ENOMEM;
4737 }
4738
4739 readStatsRid(apriv, &stats, rid, 1);
4740 len = le16_to_cpu(stats.len);
4741
4742 j = 0;
4743 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4744 if (!statsLabels[i]) continue;
4745 if (j+strlen(statsLabels[i])+16>4096) {
4746 airo_print_warn(apriv->dev->name,
4747 "Potentially disastrous buffer overflow averted!");
4748 break;
4749 }
4750 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4751 le32_to_cpu(vals[i]));
4752 }
4753 if (i*4 >= len) {
4754 airo_print_warn(apriv->dev->name, "Got a short rid");
4755 }
4756 data->readlen = j;
4757 return 0;
4758 }
4759
4760 static int get_dec_u16( char *buffer, int *start, int limit ) {
4761 u16 value;
4762 int valid = 0;
4763 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4764 buffer[*start] <= '9'; (*start)++) {
4765 valid = 1;
4766 value *= 10;
4767 value += buffer[*start] - '0';
4768 }
4769 if ( !valid ) return -1;
4770 return value;
4771 }
4772
4773 static int airo_config_commit(struct net_device *dev,
4774 struct iw_request_info *info, void *zwrq,
4775 char *extra);
4776
4777 static inline int sniffing_mode(struct airo_info *ai)
4778 {
4779 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4780 le16_to_cpu(RXMODE_RFMON);
4781 }
4782
4783 static void proc_config_on_close(struct inode *inode, struct file *file)
4784 {
4785 struct proc_data *data = file->private_data;
4786 struct net_device *dev = PDE_DATA(inode);
4787 struct airo_info *ai = dev->ml_priv;
4788 char *line;
4789
4790 if ( !data->writelen ) return;
4791
4792 readConfigRid(ai, 1);
4793 set_bit (FLAG_COMMIT, &ai->flags);
4794
4795 line = data->wbuffer;
4796 while( line[0] ) {
4797 /*** Mode processing */
4798 if ( !strncmp( line, "Mode: ", 6 ) ) {
4799 line += 6;
4800 if (sniffing_mode(ai))
4801 set_bit (FLAG_RESET, &ai->flags);
4802 ai->config.rmode &= ~RXMODE_FULL_MASK;
4803 clear_bit (FLAG_802_11, &ai->flags);
4804 ai->config.opmode &= ~MODE_CFG_MASK;
4805 ai->config.scanMode = SCANMODE_ACTIVE;
4806 if ( line[0] == 'a' ) {
4807 ai->config.opmode |= MODE_STA_IBSS;
4808 } else {
4809 ai->config.opmode |= MODE_STA_ESS;
4810 if ( line[0] == 'r' ) {
4811 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4812 ai->config.scanMode = SCANMODE_PASSIVE;
4813 set_bit (FLAG_802_11, &ai->flags);
4814 } else if ( line[0] == 'y' ) {
4815 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4816 ai->config.scanMode = SCANMODE_PASSIVE;
4817 set_bit (FLAG_802_11, &ai->flags);
4818 } else if ( line[0] == 'l' )
4819 ai->config.rmode |= RXMODE_LANMON;
4820 }
4821 set_bit (FLAG_COMMIT, &ai->flags);
4822 }
4823
4824 /*** Radio status */
4825 else if (!strncmp(line,"Radio: ", 7)) {
4826 line += 7;
4827 if (!strncmp(line,"off",3)) {
4828 set_bit (FLAG_RADIO_OFF, &ai->flags);
4829 } else {
4830 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4831 }
4832 }
4833 /*** NodeName processing */
4834 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4835 int j;
4836
4837 line += 10;
4838 memset( ai->config.nodeName, 0, 16 );
4839 /* Do the name, assume a space between the mode and node name */
4840 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4841 ai->config.nodeName[j] = line[j];
4842 }
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 }
4845
4846 /*** PowerMode processing */
4847 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4848 line += 11;
4849 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4850 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4851 set_bit (FLAG_COMMIT, &ai->flags);
4852 } else if ( !strncmp( line, "PSP", 3 ) ) {
4853 ai->config.powerSaveMode = POWERSAVE_PSP;
4854 set_bit (FLAG_COMMIT, &ai->flags);
4855 } else {
4856 ai->config.powerSaveMode = POWERSAVE_CAM;
4857 set_bit (FLAG_COMMIT, &ai->flags);
4858 }
4859 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4860 int v, i = 0, k = 0; /* i is index into line,
4861 k is index to rates */
4862
4863 line += 11;
4864 while((v = get_dec_u16(line, &i, 3))!=-1) {
4865 ai->config.rates[k++] = (u8)v;
4866 line += i + 1;
4867 i = 0;
4868 }
4869 set_bit (FLAG_COMMIT, &ai->flags);
4870 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4871 int v, i = 0;
4872 line += 9;
4873 v = get_dec_u16(line, &i, i+3);
4874 if ( v != -1 ) {
4875 ai->config.channelSet = cpu_to_le16(v);
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 }
4878 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4879 int v, i = 0;
4880 line += 11;
4881 v = get_dec_u16(line, &i, i+3);
4882 if ( v != -1 ) {
4883 ai->config.txPower = cpu_to_le16(v);
4884 set_bit (FLAG_COMMIT, &ai->flags);
4885 }
4886 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4887 line += 5;
4888 switch( line[0] ) {
4889 case 's':
4890 set_auth_type(ai, AUTH_SHAREDKEY);
4891 break;
4892 case 'e':
4893 set_auth_type(ai, AUTH_ENCRYPT);
4894 break;
4895 default:
4896 set_auth_type(ai, AUTH_OPEN);
4897 break;
4898 }
4899 set_bit (FLAG_COMMIT, &ai->flags);
4900 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4901 int v, i = 0;
4902
4903 line += 16;
4904 v = get_dec_u16(line, &i, 3);
4905 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4906 ai->config.longRetryLimit = cpu_to_le16(v);
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4909 int v, i = 0;
4910
4911 line += 17;
4912 v = get_dec_u16(line, &i, 3);
4913 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4914 ai->config.shortRetryLimit = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4917 int v, i = 0;
4918
4919 line += 14;
4920 v = get_dec_u16(line, &i, 4);
4921 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4922 ai->config.rtsThres = cpu_to_le16(v);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4925 int v, i = 0;
4926
4927 line += 16;
4928 v = get_dec_u16(line, &i, 5);
4929 v = (v<0) ? 0 : v;
4930 ai->config.txLifetime = cpu_to_le16(v);
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4933 int v, i = 0;
4934
4935 line += 16;
4936 v = get_dec_u16(line, &i, 5);
4937 v = (v<0) ? 0 : v;
4938 ai->config.rxLifetime = cpu_to_le16(v);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4941 ai->config.txDiversity =
4942 (line[13]=='l') ? 1 :
4943 ((line[13]=='r')? 2: 3);
4944 set_bit (FLAG_COMMIT, &ai->flags);
4945 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4946 ai->config.rxDiversity =
4947 (line[13]=='l') ? 1 :
4948 ((line[13]=='r')? 2: 3);
4949 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4951 int v, i = 0;
4952
4953 line += 15;
4954 v = get_dec_u16(line, &i, 4);
4955 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4956 v = v & 0xfffe; /* Make sure its even */
4957 ai->config.fragThresh = cpu_to_le16(v);
4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if (!strncmp(line, "Modulation: ", 12)) {
4960 line += 12;
4961 switch(*line) {
4962 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4963 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4964 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4966 }
4967 } else if (!strncmp(line, "Preamble: ", 10)) {
4968 line += 10;
4969 switch(*line) {
4970 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4971 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4972 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4974 }
4975 } else {
4976 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4977 }
4978 while( line[0] && line[0] != '\n' ) line++;
4979 if ( line[0] ) line++;
4980 }
4981 airo_config_commit(dev, NULL, NULL, NULL);
4982 }
4983
4984 static const char *get_rmode(__le16 mode)
4985 {
4986 switch(mode & RXMODE_MASK) {
4987 case RXMODE_RFMON: return "rfmon";
4988 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4989 case RXMODE_LANMON: return "lanmon";
4990 }
4991 return "ESS";
4992 }
4993
4994 static int proc_config_open(struct inode *inode, struct file *file)
4995 {
4996 struct proc_data *data;
4997 struct net_device *dev = PDE_DATA(inode);
4998 struct airo_info *ai = dev->ml_priv;
4999 int i;
5000 __le16 mode;
5001
5002 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5003 return -ENOMEM;
5004 data = file->private_data;
5005 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5006 kfree (file->private_data);
5007 return -ENOMEM;
5008 }
5009 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5010 kfree (data->rbuffer);
5011 kfree (file->private_data);
5012 return -ENOMEM;
5013 }
5014 data->maxwritelen = 2048;
5015 data->on_close = proc_config_on_close;
5016
5017 readConfigRid(ai, 1);
5018
5019 mode = ai->config.opmode & MODE_CFG_MASK;
5020 i = sprintf( data->rbuffer,
5021 "Mode: %s\n"
5022 "Radio: %s\n"
5023 "NodeName: %-16s\n"
5024 "PowerMode: %s\n"
5025 "DataRates: %d %d %d %d %d %d %d %d\n"
5026 "Channel: %d\n"
5027 "XmitPower: %d\n",
5028 mode == MODE_STA_IBSS ? "adhoc" :
5029 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5030 mode == MODE_AP ? "AP" :
5031 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5032 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5033 ai->config.nodeName,
5034 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5035 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5036 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5037 "Error",
5038 (int)ai->config.rates[0],
5039 (int)ai->config.rates[1],
5040 (int)ai->config.rates[2],
5041 (int)ai->config.rates[3],
5042 (int)ai->config.rates[4],
5043 (int)ai->config.rates[5],
5044 (int)ai->config.rates[6],
5045 (int)ai->config.rates[7],
5046 le16_to_cpu(ai->config.channelSet),
5047 le16_to_cpu(ai->config.txPower)
5048 );
5049 sprintf( data->rbuffer + i,
5050 "LongRetryLimit: %d\n"
5051 "ShortRetryLimit: %d\n"
5052 "RTSThreshold: %d\n"
5053 "TXMSDULifetime: %d\n"
5054 "RXMSDULifetime: %d\n"
5055 "TXDiversity: %s\n"
5056 "RXDiversity: %s\n"
5057 "FragThreshold: %d\n"
5058 "WEP: %s\n"
5059 "Modulation: %s\n"
5060 "Preamble: %s\n",
5061 le16_to_cpu(ai->config.longRetryLimit),
5062 le16_to_cpu(ai->config.shortRetryLimit),
5063 le16_to_cpu(ai->config.rtsThres),
5064 le16_to_cpu(ai->config.txLifetime),
5065 le16_to_cpu(ai->config.rxLifetime),
5066 ai->config.txDiversity == 1 ? "left" :
5067 ai->config.txDiversity == 2 ? "right" : "both",
5068 ai->config.rxDiversity == 1 ? "left" :
5069 ai->config.rxDiversity == 2 ? "right" : "both",
5070 le16_to_cpu(ai->config.fragThresh),
5071 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5072 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5073 ai->config.modulation == MOD_DEFAULT ? "default" :
5074 ai->config.modulation == MOD_CCK ? "cck" :
5075 ai->config.modulation == MOD_MOK ? "mok" : "error",
5076 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5077 ai->config.preamble == PREAMBLE_LONG ? "long" :
5078 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5079 );
5080 data->readlen = strlen( data->rbuffer );
5081 return 0;
5082 }
5083
5084 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5085 {
5086 struct proc_data *data = file->private_data;
5087 struct net_device *dev = PDE_DATA(inode);
5088 struct airo_info *ai = dev->ml_priv;
5089 SsidRid SSID_rid;
5090 int i;
5091 char *p = data->wbuffer;
5092 char *end = p + data->writelen;
5093
5094 if (!data->writelen)
5095 return;
5096
5097 *end = '\n'; /* sentinel; we have space for it */
5098
5099 memset(&SSID_rid, 0, sizeof(SSID_rid));
5100
5101 for (i = 0; i < 3 && p < end; i++) {
5102 int j = 0;
5103 /* copy up to 32 characters from this line */
5104 while (*p != '\n' && j < 32)
5105 SSID_rid.ssids[i].ssid[j++] = *p++;
5106 if (j == 0)
5107 break;
5108 SSID_rid.ssids[i].len = cpu_to_le16(j);
5109 /* skip to the beginning of the next line */
5110 while (*p++ != '\n')
5111 ;
5112 }
5113 if (i)
5114 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5115 disable_MAC(ai, 1);
5116 writeSsidRid(ai, &SSID_rid, 1);
5117 enable_MAC(ai, 1);
5118 }
5119
5120 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5121 struct proc_data *data = file->private_data;
5122 struct net_device *dev = PDE_DATA(inode);
5123 struct airo_info *ai = dev->ml_priv;
5124 APListRid *APList_rid = &ai->APList;
5125 int i;
5126
5127 if ( !data->writelen ) return;
5128
5129 memset(APList_rid, 0, sizeof(*APList_rid));
5130 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5131
5132 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5133 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5134
5135 disable_MAC(ai, 1);
5136 writeAPListRid(ai, APList_rid, 1);
5137 enable_MAC(ai, 1);
5138 }
5139
5140 /* This function wraps PC4500_writerid with a MAC disable */
5141 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5142 int len, int dummy ) {
5143 int rc;
5144
5145 disable_MAC(ai, 1);
5146 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5147 enable_MAC(ai, 1);
5148 return rc;
5149 }
5150
5151 /* Returns the WEP key at the specified index, or -1 if that key does
5152 * not exist. The buffer is assumed to be at least 16 bytes in length.
5153 */
5154 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5155 {
5156 WepKeyRid wkr;
5157 int rc;
5158 __le16 lastindex;
5159
5160 rc = readWepKeyRid(ai, &wkr, 1, 1);
5161 if (rc != SUCCESS)
5162 return -1;
5163 do {
5164 lastindex = wkr.kindex;
5165 if (le16_to_cpu(wkr.kindex) == index) {
5166 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5167 memcpy(buf, wkr.key, klen);
5168 return klen;
5169 }
5170 rc = readWepKeyRid(ai, &wkr, 0, 1);
5171 if (rc != SUCCESS)
5172 return -1;
5173 } while (lastindex != wkr.kindex);
5174 return -1;
5175 }
5176
5177 static int get_wep_tx_idx(struct airo_info *ai)
5178 {
5179 WepKeyRid wkr;
5180 int rc;
5181 __le16 lastindex;
5182
5183 rc = readWepKeyRid(ai, &wkr, 1, 1);
5184 if (rc != SUCCESS)
5185 return -1;
5186 do {
5187 lastindex = wkr.kindex;
5188 if (wkr.kindex == cpu_to_le16(0xffff))
5189 return wkr.mac[0];
5190 rc = readWepKeyRid(ai, &wkr, 0, 1);
5191 if (rc != SUCCESS)
5192 return -1;
5193 } while (lastindex != wkr.kindex);
5194 return -1;
5195 }
5196
5197 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5198 u16 keylen, int perm, int lock)
5199 {
5200 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5201 WepKeyRid wkr;
5202 int rc;
5203
5204 if (WARN_ON(keylen == 0))
5205 return -1;
5206
5207 memset(&wkr, 0, sizeof(wkr));
5208 wkr.len = cpu_to_le16(sizeof(wkr));
5209 wkr.kindex = cpu_to_le16(index);
5210 wkr.klen = cpu_to_le16(keylen);
5211 memcpy(wkr.key, key, keylen);
5212 memcpy(wkr.mac, macaddr, ETH_ALEN);
5213
5214 if (perm) disable_MAC(ai, lock);
5215 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5216 if (perm) enable_MAC(ai, lock);
5217 return rc;
5218 }
5219
5220 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5221 {
5222 WepKeyRid wkr;
5223 int rc;
5224
5225 memset(&wkr, 0, sizeof(wkr));
5226 wkr.len = cpu_to_le16(sizeof(wkr));
5227 wkr.kindex = cpu_to_le16(0xffff);
5228 wkr.mac[0] = (char)index;
5229
5230 if (perm) {
5231 ai->defindex = (char)index;
5232 disable_MAC(ai, lock);
5233 }
5234
5235 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5236
5237 if (perm)
5238 enable_MAC(ai, lock);
5239 return rc;
5240 }
5241
5242 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5243 struct proc_data *data;
5244 struct net_device *dev = PDE_DATA(inode);
5245 struct airo_info *ai = dev->ml_priv;
5246 int i, rc;
5247 char key[16];
5248 u16 index = 0;
5249 int j = 0;
5250
5251 memset(key, 0, sizeof(key));
5252
5253 data = file->private_data;
5254 if ( !data->writelen ) return;
5255
5256 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5257 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5258 index = data->wbuffer[0] - '0';
5259 if (data->wbuffer[1] == '\n') {
5260 rc = set_wep_tx_idx(ai, index, 1, 1);
5261 if (rc < 0) {
5262 airo_print_err(ai->dev->name, "failed to set "
5263 "WEP transmit index to %d: %d.",
5264 index, rc);
5265 }
5266 return;
5267 }
5268 j = 2;
5269 } else {
5270 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5271 return;
5272 }
5273
5274 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5275 switch(i%3) {
5276 case 0:
5277 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5278 break;
5279 case 1:
5280 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5281 break;
5282 }
5283 }
5284
5285 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5286 if (rc < 0) {
5287 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5288 "%d: %d.", index, rc);
5289 }
5290 }
5291
5292 static int proc_wepkey_open( struct inode *inode, struct file *file )
5293 {
5294 struct proc_data *data;
5295 struct net_device *dev = PDE_DATA(inode);
5296 struct airo_info *ai = dev->ml_priv;
5297 char *ptr;
5298 WepKeyRid wkr;
5299 __le16 lastindex;
5300 int j=0;
5301 int rc;
5302
5303 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5304 return -ENOMEM;
5305 memset(&wkr, 0, sizeof(wkr));
5306 data = file->private_data;
5307 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5308 kfree (file->private_data);
5309 return -ENOMEM;
5310 }
5311 data->writelen = 0;
5312 data->maxwritelen = 80;
5313 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5314 kfree (data->rbuffer);
5315 kfree (file->private_data);
5316 return -ENOMEM;
5317 }
5318 data->on_close = proc_wepkey_on_close;
5319
5320 ptr = data->rbuffer;
5321 strcpy(ptr, "No wep keys\n");
5322 rc = readWepKeyRid(ai, &wkr, 1, 1);
5323 if (rc == SUCCESS) do {
5324 lastindex = wkr.kindex;
5325 if (wkr.kindex == cpu_to_le16(0xffff)) {
5326 j += sprintf(ptr+j, "Tx key = %d\n",
5327 (int)wkr.mac[0]);
5328 } else {
5329 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5330 le16_to_cpu(wkr.kindex),
5331 le16_to_cpu(wkr.klen));
5332 }
5333 readWepKeyRid(ai, &wkr, 0, 1);
5334 } while((lastindex != wkr.kindex) && (j < 180-30));
5335
5336 data->readlen = strlen( data->rbuffer );
5337 return 0;
5338 }
5339
5340 static int proc_SSID_open(struct inode *inode, struct file *file)
5341 {
5342 struct proc_data *data;
5343 struct net_device *dev = PDE_DATA(inode);
5344 struct airo_info *ai = dev->ml_priv;
5345 int i;
5346 char *ptr;
5347 SsidRid SSID_rid;
5348
5349 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5350 return -ENOMEM;
5351 data = file->private_data;
5352 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5353 kfree (file->private_data);
5354 return -ENOMEM;
5355 }
5356 data->writelen = 0;
5357 data->maxwritelen = 33*3;
5358 /* allocate maxwritelen + 1; we'll want a sentinel */
5359 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5360 kfree (data->rbuffer);
5361 kfree (file->private_data);
5362 return -ENOMEM;
5363 }
5364 data->on_close = proc_SSID_on_close;
5365
5366 readSsidRid(ai, &SSID_rid);
5367 ptr = data->rbuffer;
5368 for (i = 0; i < 3; i++) {
5369 int j;
5370 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5371 if (!len)
5372 break;
5373 if (len > 32)
5374 len = 32;
5375 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5376 *ptr++ = SSID_rid.ssids[i].ssid[j];
5377 *ptr++ = '\n';
5378 }
5379 *ptr = '\0';
5380 data->readlen = strlen( data->rbuffer );
5381 return 0;
5382 }
5383
5384 static int proc_APList_open( struct inode *inode, struct file *file ) {
5385 struct proc_data *data;
5386 struct net_device *dev = PDE_DATA(inode);
5387 struct airo_info *ai = dev->ml_priv;
5388 int i;
5389 char *ptr;
5390 APListRid *APList_rid = &ai->APList;
5391
5392 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5393 return -ENOMEM;
5394 data = file->private_data;
5395 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5396 kfree (file->private_data);
5397 return -ENOMEM;
5398 }
5399 data->writelen = 0;
5400 data->maxwritelen = 4*6*3;
5401 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5402 kfree (data->rbuffer);
5403 kfree (file->private_data);
5404 return -ENOMEM;
5405 }
5406 data->on_close = proc_APList_on_close;
5407
5408 ptr = data->rbuffer;
5409 for( i = 0; i < 4; i++ ) {
5410 // We end when we find a zero MAC
5411 if ( !*(int*)APList_rid->ap[i] &&
5412 !*(int*)&APList_rid->ap[i][2]) break;
5413 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5414 }
5415 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5416
5417 *ptr = '\0';
5418 data->readlen = strlen( data->rbuffer );
5419 return 0;
5420 }
5421
5422 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5423 struct proc_data *data;
5424 struct net_device *dev = PDE_DATA(inode);
5425 struct airo_info *ai = dev->ml_priv;
5426 char *ptr;
5427 BSSListRid BSSList_rid;
5428 int rc;
5429 /* If doLoseSync is not 1, we won't do a Lose Sync */
5430 int doLoseSync = -1;
5431
5432 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5433 return -ENOMEM;
5434 data = file->private_data;
5435 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5436 kfree (file->private_data);
5437 return -ENOMEM;
5438 }
5439 data->writelen = 0;
5440 data->maxwritelen = 0;
5441 data->wbuffer = NULL;
5442 data->on_close = NULL;
5443
5444 if (file->f_mode & FMODE_WRITE) {
5445 if (!(file->f_mode & FMODE_READ)) {
5446 Cmd cmd;
5447 Resp rsp;
5448
5449 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5450 memset(&cmd, 0, sizeof(cmd));
5451 cmd.cmd=CMD_LISTBSS;
5452 if (down_interruptible(&ai->sem))
5453 return -ERESTARTSYS;
5454 issuecommand(ai, &cmd, &rsp);
5455 up(&ai->sem);
5456 data->readlen = 0;
5457 return 0;
5458 }
5459 doLoseSync = 1;
5460 }
5461 ptr = data->rbuffer;
5462 /* There is a race condition here if there are concurrent opens.
5463 Since it is a rare condition, we'll just live with it, otherwise
5464 we have to add a spin lock... */
5465 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5466 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5467 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5468 BSSList_rid.bssid,
5469 (int)BSSList_rid.ssidLen,
5470 BSSList_rid.ssid,
5471 le16_to_cpu(BSSList_rid.dBm));
5472 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5473 le16_to_cpu(BSSList_rid.dsChannel),
5474 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5475 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5476 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5477 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5478 rc = readBSSListRid(ai, 0, &BSSList_rid);
5479 }
5480 *ptr = '\0';
5481 data->readlen = strlen( data->rbuffer );
5482 return 0;
5483 }
5484
5485 static int proc_close( struct inode *inode, struct file *file )
5486 {
5487 struct proc_data *data = file->private_data;
5488
5489 if (data->on_close != NULL)
5490 data->on_close(inode, file);
5491 kfree(data->rbuffer);
5492 kfree(data->wbuffer);
5493 kfree(data);
5494 return 0;
5495 }
5496
5497 /* Since the card doesn't automatically switch to the right WEP mode,
5498 we will make it do it. If the card isn't associated, every secs we
5499 will switch WEP modes to see if that will help. If the card is
5500 associated we will check every minute to see if anything has
5501 changed. */
5502 static void timer_func( struct net_device *dev ) {
5503 struct airo_info *apriv = dev->ml_priv;
5504
5505 /* We don't have a link so try changing the authtype */
5506 readConfigRid(apriv, 0);
5507 disable_MAC(apriv, 0);
5508 switch(apriv->config.authType) {
5509 case AUTH_ENCRYPT:
5510 /* So drop to OPEN */
5511 apriv->config.authType = AUTH_OPEN;
5512 break;
5513 case AUTH_SHAREDKEY:
5514 if (apriv->keyindex < auto_wep) {
5515 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5516 apriv->config.authType = AUTH_SHAREDKEY;
5517 apriv->keyindex++;
5518 } else {
5519 /* Drop to ENCRYPT */
5520 apriv->keyindex = 0;
5521 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5522 apriv->config.authType = AUTH_ENCRYPT;
5523 }
5524 break;
5525 default: /* We'll escalate to SHAREDKEY */
5526 apriv->config.authType = AUTH_SHAREDKEY;
5527 }
5528 set_bit (FLAG_COMMIT, &apriv->flags);
5529 writeConfigRid(apriv, 0);
5530 enable_MAC(apriv, 0);
5531 up(&apriv->sem);
5532
5533 /* Schedule check to see if the change worked */
5534 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5535 apriv->expires = RUN_AT(HZ*3);
5536 }
5537
5538 #ifdef CONFIG_PCI
5539 static int airo_pci_probe(struct pci_dev *pdev,
5540 const struct pci_device_id *pent)
5541 {
5542 struct net_device *dev;
5543
5544 if (pci_enable_device(pdev))
5545 return -ENODEV;
5546 pci_set_master(pdev);
5547
5548 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5549 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5550 else
5551 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5552 if (!dev) {
5553 pci_disable_device(pdev);
5554 return -ENODEV;
5555 }
5556
5557 pci_set_drvdata(pdev, dev);
5558 return 0;
5559 }
5560
5561 static void airo_pci_remove(struct pci_dev *pdev)
5562 {
5563 struct net_device *dev = pci_get_drvdata(pdev);
5564
5565 airo_print_info(dev->name, "Unregistering...");
5566 stop_airo_card(dev, 1);
5567 pci_disable_device(pdev);
5568 }
5569
5570 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5571 {
5572 struct net_device *dev = pci_get_drvdata(pdev);
5573 struct airo_info *ai = dev->ml_priv;
5574 Cmd cmd;
5575 Resp rsp;
5576
5577 if (!ai->SSID)
5578 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5579 if (!ai->SSID)
5580 return -ENOMEM;
5581 readSsidRid(ai, ai->SSID);
5582 memset(&cmd, 0, sizeof(cmd));
5583 /* the lock will be released at the end of the resume callback */
5584 if (down_interruptible(&ai->sem))
5585 return -EAGAIN;
5586 disable_MAC(ai, 0);
5587 netif_device_detach(dev);
5588 ai->power = state;
5589 cmd.cmd = HOSTSLEEP;
5590 issuecommand(ai, &cmd, &rsp);
5591
5592 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5593 pci_save_state(pdev);
5594 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5595 return 0;
5596 }
5597
5598 static int airo_pci_resume(struct pci_dev *pdev)
5599 {
5600 struct net_device *dev = pci_get_drvdata(pdev);
5601 struct airo_info *ai = dev->ml_priv;
5602 pci_power_t prev_state = pdev->current_state;
5603
5604 pci_set_power_state(pdev, PCI_D0);
5605 pci_restore_state(pdev);
5606 pci_enable_wake(pdev, PCI_D0, 0);
5607
5608 if (prev_state != PCI_D1) {
5609 reset_card(dev, 0);
5610 mpi_init_descriptors(ai);
5611 setup_card(ai, dev->dev_addr, 0);
5612 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5613 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5614 } else {
5615 OUT4500(ai, EVACK, EV_AWAKEN);
5616 OUT4500(ai, EVACK, EV_AWAKEN);
5617 msleep(100);
5618 }
5619
5620 set_bit(FLAG_COMMIT, &ai->flags);
5621 disable_MAC(ai, 0);
5622 msleep(200);
5623 if (ai->SSID) {
5624 writeSsidRid(ai, ai->SSID, 0);
5625 kfree(ai->SSID);
5626 ai->SSID = NULL;
5627 }
5628 writeAPListRid(ai, &ai->APList, 0);
5629 writeConfigRid(ai, 0);
5630 enable_MAC(ai, 0);
5631 ai->power = PMSG_ON;
5632 netif_device_attach(dev);
5633 netif_wake_queue(dev);
5634 enable_interrupts(ai);
5635 up(&ai->sem);
5636 return 0;
5637 }
5638 #endif
5639
5640 static int __init airo_init_module( void )
5641 {
5642 int i;
5643
5644 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5645 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5646 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5647 return -EINVAL;
5648
5649 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5650
5651 if (airo_entry)
5652 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5653
5654 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5655 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5656 "io=0x%x", irq[i], io[i] );
5657 if (init_airo_card( irq[i], io[i], 0, NULL ))
5658 /* do nothing */ ;
5659 }
5660
5661 #ifdef CONFIG_PCI
5662 airo_print_info("", "Probing for PCI adapters");
5663 i = pci_register_driver(&airo_driver);
5664 airo_print_info("", "Finished probing for PCI adapters");
5665
5666 if (i) {
5667 remove_proc_entry("driver/aironet", NULL);
5668 return i;
5669 }
5670 #endif
5671
5672 /* Always exit with success, as we are a library module
5673 * as well as a driver module
5674 */
5675 return 0;
5676 }
5677
5678 static void __exit airo_cleanup_module( void )
5679 {
5680 struct airo_info *ai;
5681 while(!list_empty(&airo_devices)) {
5682 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5683 airo_print_info(ai->dev->name, "Unregistering...");
5684 stop_airo_card(ai->dev, 1);
5685 }
5686 #ifdef CONFIG_PCI
5687 pci_unregister_driver(&airo_driver);
5688 #endif
5689 remove_proc_entry("driver/aironet", NULL);
5690 }
5691
5692 /*
5693 * Initial Wireless Extension code for Aironet driver by :
5694 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5695 * Conversion to new driver API by :
5696 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5697 * Javier also did a good amount of work here, adding some new extensions
5698 * and fixing my code. Let's just say that without him this code just
5699 * would not work at all... - Jean II
5700 */
5701
5702 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5703 {
5704 if (!rssi_rid)
5705 return 0;
5706
5707 return (0x100 - rssi_rid[rssi].rssidBm);
5708 }
5709
5710 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5711 {
5712 int i;
5713
5714 if (!rssi_rid)
5715 return 0;
5716
5717 for (i = 0; i < 256; i++)
5718 if (rssi_rid[i].rssidBm == dbm)
5719 return rssi_rid[i].rssipct;
5720
5721 return 0;
5722 }
5723
5724
5725 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5726 {
5727 int quality = 0;
5728 u16 sq;
5729
5730 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5731 return 0;
5732
5733 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5734 return 0;
5735
5736 sq = le16_to_cpu(status_rid->signalQuality);
5737 if (memcmp(cap_rid->prodName, "350", 3))
5738 if (sq > 0x20)
5739 quality = 0;
5740 else
5741 quality = 0x20 - sq;
5742 else
5743 if (sq > 0xb0)
5744 quality = 0;
5745 else if (sq < 0x10)
5746 quality = 0xa0;
5747 else
5748 quality = 0xb0 - sq;
5749 return quality;
5750 }
5751
5752 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5753 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5754
5755 /*------------------------------------------------------------------*/
5756 /*
5757 * Wireless Handler : get protocol name
5758 */
5759 static int airo_get_name(struct net_device *dev,
5760 struct iw_request_info *info,
5761 char *cwrq,
5762 char *extra)
5763 {
5764 strcpy(cwrq, "IEEE 802.11-DS");
5765 return 0;
5766 }
5767
5768 /*------------------------------------------------------------------*/
5769 /*
5770 * Wireless Handler : set frequency
5771 */
5772 static int airo_set_freq(struct net_device *dev,
5773 struct iw_request_info *info,
5774 struct iw_freq *fwrq,
5775 char *extra)
5776 {
5777 struct airo_info *local = dev->ml_priv;
5778 int rc = -EINPROGRESS; /* Call commit handler */
5779
5780 /* If setting by frequency, convert to a channel */
5781 if(fwrq->e == 1) {
5782 int f = fwrq->m / 100000;
5783
5784 /* Hack to fall through... */
5785 fwrq->e = 0;
5786 fwrq->m = ieee80211_frequency_to_channel(f);
5787 }
5788 /* Setting by channel number */
5789 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0)
5790 rc = -EOPNOTSUPP;
5791 else {
5792 int channel = fwrq->m;
5793 /* We should do a better check than that,
5794 * based on the card capability !!! */
5795 if((channel < 1) || (channel > 14)) {
5796 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5797 fwrq->m);
5798 rc = -EINVAL;
5799 } else {
5800 readConfigRid(local, 1);
5801 /* Yes ! We can set it !!! */
5802 local->config.channelSet = cpu_to_le16(channel);
5803 set_bit (FLAG_COMMIT, &local->flags);
5804 }
5805 }
5806 return rc;
5807 }
5808
5809 /*------------------------------------------------------------------*/
5810 /*
5811 * Wireless Handler : get frequency
5812 */
5813 static int airo_get_freq(struct net_device *dev,
5814 struct iw_request_info *info,
5815 struct iw_freq *fwrq,
5816 char *extra)
5817 {
5818 struct airo_info *local = dev->ml_priv;
5819 StatusRid status_rid; /* Card status info */
5820 int ch;
5821
5822 readConfigRid(local, 1);
5823 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5824 status_rid.channel = local->config.channelSet;
5825 else
5826 readStatusRid(local, &status_rid, 1);
5827
5828 ch = le16_to_cpu(status_rid.channel);
5829 if((ch > 0) && (ch < 15)) {
5830 fwrq->m = 100000 *
5831 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ);
5832 fwrq->e = 1;
5833 } else {
5834 fwrq->m = ch;
5835 fwrq->e = 0;
5836 }
5837
5838 return 0;
5839 }
5840
5841 /*------------------------------------------------------------------*/
5842 /*
5843 * Wireless Handler : set ESSID
5844 */
5845 static int airo_set_essid(struct net_device *dev,
5846 struct iw_request_info *info,
5847 struct iw_point *dwrq,
5848 char *extra)
5849 {
5850 struct airo_info *local = dev->ml_priv;
5851 SsidRid SSID_rid; /* SSIDs */
5852
5853 /* Reload the list of current SSID */
5854 readSsidRid(local, &SSID_rid);
5855
5856 /* Check if we asked for `any' */
5857 if (dwrq->flags == 0) {
5858 /* Just send an empty SSID list */
5859 memset(&SSID_rid, 0, sizeof(SSID_rid));
5860 } else {
5861 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5862
5863 /* Check the size of the string */
5864 if (dwrq->length > IW_ESSID_MAX_SIZE)
5865 return -E2BIG ;
5866
5867 /* Check if index is valid */
5868 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5869 return -EINVAL;
5870
5871 /* Set the SSID */
5872 memset(SSID_rid.ssids[index].ssid, 0,
5873 sizeof(SSID_rid.ssids[index].ssid));
5874 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5875 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5876 }
5877 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5878 /* Write it to the card */
5879 disable_MAC(local, 1);
5880 writeSsidRid(local, &SSID_rid, 1);
5881 enable_MAC(local, 1);
5882
5883 return 0;
5884 }
5885
5886 /*------------------------------------------------------------------*/
5887 /*
5888 * Wireless Handler : get ESSID
5889 */
5890 static int airo_get_essid(struct net_device *dev,
5891 struct iw_request_info *info,
5892 struct iw_point *dwrq,
5893 char *extra)
5894 {
5895 struct airo_info *local = dev->ml_priv;
5896 StatusRid status_rid; /* Card status info */
5897
5898 readStatusRid(local, &status_rid, 1);
5899
5900 /* Note : if dwrq->flags != 0, we should
5901 * get the relevant SSID from the SSID list... */
5902
5903 /* Get the current SSID */
5904 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5905 /* If none, we may want to get the one that was set */
5906
5907 /* Push it out ! */
5908 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5909 dwrq->flags = 1; /* active */
5910
5911 return 0;
5912 }
5913
5914 /*------------------------------------------------------------------*/
5915 /*
5916 * Wireless Handler : set AP address
5917 */
5918 static int airo_set_wap(struct net_device *dev,
5919 struct iw_request_info *info,
5920 struct sockaddr *awrq,
5921 char *extra)
5922 {
5923 struct airo_info *local = dev->ml_priv;
5924 Cmd cmd;
5925 Resp rsp;
5926 APListRid *APList_rid = &local->APList;
5927
5928 if (awrq->sa_family != ARPHRD_ETHER)
5929 return -EINVAL;
5930 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5931 is_zero_ether_addr(awrq->sa_data)) {
5932 memset(&cmd, 0, sizeof(cmd));
5933 cmd.cmd=CMD_LOSE_SYNC;
5934 if (down_interruptible(&local->sem))
5935 return -ERESTARTSYS;
5936 issuecommand(local, &cmd, &rsp);
5937 up(&local->sem);
5938 } else {
5939 memset(APList_rid, 0, sizeof(*APList_rid));
5940 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5941 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
5942 disable_MAC(local, 1);
5943 writeAPListRid(local, APList_rid, 1);
5944 enable_MAC(local, 1);
5945 }
5946 return 0;
5947 }
5948
5949 /*------------------------------------------------------------------*/
5950 /*
5951 * Wireless Handler : get AP address
5952 */
5953 static int airo_get_wap(struct net_device *dev,
5954 struct iw_request_info *info,
5955 struct sockaddr *awrq,
5956 char *extra)
5957 {
5958 struct airo_info *local = dev->ml_priv;
5959 StatusRid status_rid; /* Card status info */
5960
5961 readStatusRid(local, &status_rid, 1);
5962
5963 /* Tentative. This seems to work, wow, I'm lucky !!! */
5964 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5965 awrq->sa_family = ARPHRD_ETHER;
5966
5967 return 0;
5968 }
5969
5970 /*------------------------------------------------------------------*/
5971 /*
5972 * Wireless Handler : set Nickname
5973 */
5974 static int airo_set_nick(struct net_device *dev,
5975 struct iw_request_info *info,
5976 struct iw_point *dwrq,
5977 char *extra)
5978 {
5979 struct airo_info *local = dev->ml_priv;
5980
5981 /* Check the size of the string */
5982 if(dwrq->length > 16) {
5983 return -E2BIG;
5984 }
5985 readConfigRid(local, 1);
5986 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5987 memcpy(local->config.nodeName, extra, dwrq->length);
5988 set_bit (FLAG_COMMIT, &local->flags);
5989
5990 return -EINPROGRESS; /* Call commit handler */
5991 }
5992
5993 /*------------------------------------------------------------------*/
5994 /*
5995 * Wireless Handler : get Nickname
5996 */
5997 static int airo_get_nick(struct net_device *dev,
5998 struct iw_request_info *info,
5999 struct iw_point *dwrq,
6000 char *extra)
6001 {
6002 struct airo_info *local = dev->ml_priv;
6003
6004 readConfigRid(local, 1);
6005 strncpy(extra, local->config.nodeName, 16);
6006 extra[16] = '\0';
6007 dwrq->length = strlen(extra);
6008
6009 return 0;
6010 }
6011
6012 /*------------------------------------------------------------------*/
6013 /*
6014 * Wireless Handler : set Bit-Rate
6015 */
6016 static int airo_set_rate(struct net_device *dev,
6017 struct iw_request_info *info,
6018 struct iw_param *vwrq,
6019 char *extra)
6020 {
6021 struct airo_info *local = dev->ml_priv;
6022 CapabilityRid cap_rid; /* Card capability info */
6023 u8 brate = 0;
6024 int i;
6025
6026 /* First : get a valid bit rate value */
6027 readCapabilityRid(local, &cap_rid, 1);
6028
6029 /* Which type of value ? */
6030 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6031 /* Setting by rate index */
6032 /* Find value in the magic rate table */
6033 brate = cap_rid.supportedRates[vwrq->value];
6034 } else {
6035 /* Setting by frequency value */
6036 u8 normvalue = (u8) (vwrq->value/500000);
6037
6038 /* Check if rate is valid */
6039 for(i = 0 ; i < 8 ; i++) {
6040 if(normvalue == cap_rid.supportedRates[i]) {
6041 brate = normvalue;
6042 break;
6043 }
6044 }
6045 }
6046 /* -1 designed the max rate (mostly auto mode) */
6047 if(vwrq->value == -1) {
6048 /* Get the highest available rate */
6049 for(i = 0 ; i < 8 ; i++) {
6050 if(cap_rid.supportedRates[i] == 0)
6051 break;
6052 }
6053 if(i != 0)
6054 brate = cap_rid.supportedRates[i - 1];
6055 }
6056 /* Check that it is valid */
6057 if(brate == 0) {
6058 return -EINVAL;
6059 }
6060
6061 readConfigRid(local, 1);
6062 /* Now, check if we want a fixed or auto value */
6063 if(vwrq->fixed == 0) {
6064 /* Fill all the rates up to this max rate */
6065 memset(local->config.rates, 0, 8);
6066 for(i = 0 ; i < 8 ; i++) {
6067 local->config.rates[i] = cap_rid.supportedRates[i];
6068 if(local->config.rates[i] == brate)
6069 break;
6070 }
6071 } else {
6072 /* Fixed mode */
6073 /* One rate, fixed */
6074 memset(local->config.rates, 0, 8);
6075 local->config.rates[0] = brate;
6076 }
6077 set_bit (FLAG_COMMIT, &local->flags);
6078
6079 return -EINPROGRESS; /* Call commit handler */
6080 }
6081
6082 /*------------------------------------------------------------------*/
6083 /*
6084 * Wireless Handler : get Bit-Rate
6085 */
6086 static int airo_get_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 StatusRid status_rid; /* Card status info */
6093
6094 readStatusRid(local, &status_rid, 1);
6095
6096 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6097 /* If more than one rate, set auto */
6098 readConfigRid(local, 1);
6099 vwrq->fixed = (local->config.rates[1] == 0);
6100
6101 return 0;
6102 }
6103
6104 /*------------------------------------------------------------------*/
6105 /*
6106 * Wireless Handler : set RTS threshold
6107 */
6108 static int airo_set_rts(struct net_device *dev,
6109 struct iw_request_info *info,
6110 struct iw_param *vwrq,
6111 char *extra)
6112 {
6113 struct airo_info *local = dev->ml_priv;
6114 int rthr = vwrq->value;
6115
6116 if(vwrq->disabled)
6117 rthr = AIRO_DEF_MTU;
6118 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6119 return -EINVAL;
6120 }
6121 readConfigRid(local, 1);
6122 local->config.rtsThres = cpu_to_le16(rthr);
6123 set_bit (FLAG_COMMIT, &local->flags);
6124
6125 return -EINPROGRESS; /* Call commit handler */
6126 }
6127
6128 /*------------------------------------------------------------------*/
6129 /*
6130 * Wireless Handler : get RTS threshold
6131 */
6132 static int airo_get_rts(struct net_device *dev,
6133 struct iw_request_info *info,
6134 struct iw_param *vwrq,
6135 char *extra)
6136 {
6137 struct airo_info *local = dev->ml_priv;
6138
6139 readConfigRid(local, 1);
6140 vwrq->value = le16_to_cpu(local->config.rtsThres);
6141 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6142 vwrq->fixed = 1;
6143
6144 return 0;
6145 }
6146
6147 /*------------------------------------------------------------------*/
6148 /*
6149 * Wireless Handler : set Fragmentation threshold
6150 */
6151 static int airo_set_frag(struct net_device *dev,
6152 struct iw_request_info *info,
6153 struct iw_param *vwrq,
6154 char *extra)
6155 {
6156 struct airo_info *local = dev->ml_priv;
6157 int fthr = vwrq->value;
6158
6159 if(vwrq->disabled)
6160 fthr = AIRO_DEF_MTU;
6161 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6162 return -EINVAL;
6163 }
6164 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6165 readConfigRid(local, 1);
6166 local->config.fragThresh = cpu_to_le16(fthr);
6167 set_bit (FLAG_COMMIT, &local->flags);
6168
6169 return -EINPROGRESS; /* Call commit handler */
6170 }
6171
6172 /*------------------------------------------------------------------*/
6173 /*
6174 * Wireless Handler : get Fragmentation threshold
6175 */
6176 static int airo_get_frag(struct net_device *dev,
6177 struct iw_request_info *info,
6178 struct iw_param *vwrq,
6179 char *extra)
6180 {
6181 struct airo_info *local = dev->ml_priv;
6182
6183 readConfigRid(local, 1);
6184 vwrq->value = le16_to_cpu(local->config.fragThresh);
6185 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6186 vwrq->fixed = 1;
6187
6188 return 0;
6189 }
6190
6191 /*------------------------------------------------------------------*/
6192 /*
6193 * Wireless Handler : set Mode of Operation
6194 */
6195 static int airo_set_mode(struct net_device *dev,
6196 struct iw_request_info *info,
6197 __u32 *uwrq,
6198 char *extra)
6199 {
6200 struct airo_info *local = dev->ml_priv;
6201 int reset = 0;
6202
6203 readConfigRid(local, 1);
6204 if (sniffing_mode(local))
6205 reset = 1;
6206
6207 switch(*uwrq) {
6208 case IW_MODE_ADHOC:
6209 local->config.opmode &= ~MODE_CFG_MASK;
6210 local->config.opmode |= MODE_STA_IBSS;
6211 local->config.rmode &= ~RXMODE_FULL_MASK;
6212 local->config.scanMode = SCANMODE_ACTIVE;
6213 clear_bit (FLAG_802_11, &local->flags);
6214 break;
6215 case IW_MODE_INFRA:
6216 local->config.opmode &= ~MODE_CFG_MASK;
6217 local->config.opmode |= MODE_STA_ESS;
6218 local->config.rmode &= ~RXMODE_FULL_MASK;
6219 local->config.scanMode = SCANMODE_ACTIVE;
6220 clear_bit (FLAG_802_11, &local->flags);
6221 break;
6222 case IW_MODE_MASTER:
6223 local->config.opmode &= ~MODE_CFG_MASK;
6224 local->config.opmode |= MODE_AP;
6225 local->config.rmode &= ~RXMODE_FULL_MASK;
6226 local->config.scanMode = SCANMODE_ACTIVE;
6227 clear_bit (FLAG_802_11, &local->flags);
6228 break;
6229 case IW_MODE_REPEAT:
6230 local->config.opmode &= ~MODE_CFG_MASK;
6231 local->config.opmode |= MODE_AP_RPTR;
6232 local->config.rmode &= ~RXMODE_FULL_MASK;
6233 local->config.scanMode = SCANMODE_ACTIVE;
6234 clear_bit (FLAG_802_11, &local->flags);
6235 break;
6236 case IW_MODE_MONITOR:
6237 local->config.opmode &= ~MODE_CFG_MASK;
6238 local->config.opmode |= MODE_STA_ESS;
6239 local->config.rmode &= ~RXMODE_FULL_MASK;
6240 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6241 local->config.scanMode = SCANMODE_PASSIVE;
6242 set_bit (FLAG_802_11, &local->flags);
6243 break;
6244 default:
6245 return -EINVAL;
6246 }
6247 if (reset)
6248 set_bit (FLAG_RESET, &local->flags);
6249 set_bit (FLAG_COMMIT, &local->flags);
6250
6251 return -EINPROGRESS; /* Call commit handler */
6252 }
6253
6254 /*------------------------------------------------------------------*/
6255 /*
6256 * Wireless Handler : get Mode of Operation
6257 */
6258 static int airo_get_mode(struct net_device *dev,
6259 struct iw_request_info *info,
6260 __u32 *uwrq,
6261 char *extra)
6262 {
6263 struct airo_info *local = dev->ml_priv;
6264
6265 readConfigRid(local, 1);
6266 /* If not managed, assume it's ad-hoc */
6267 switch (local->config.opmode & MODE_CFG_MASK) {
6268 case MODE_STA_ESS:
6269 *uwrq = IW_MODE_INFRA;
6270 break;
6271 case MODE_AP:
6272 *uwrq = IW_MODE_MASTER;
6273 break;
6274 case MODE_AP_RPTR:
6275 *uwrq = IW_MODE_REPEAT;
6276 break;
6277 default:
6278 *uwrq = IW_MODE_ADHOC;
6279 }
6280
6281 return 0;
6282 }
6283
6284 static inline int valid_index(struct airo_info *ai, int index)
6285 {
6286 return (index >= 0) && (index <= ai->max_wep_idx);
6287 }
6288
6289 /*------------------------------------------------------------------*/
6290 /*
6291 * Wireless Handler : set Encryption Key
6292 */
6293 static int airo_set_encode(struct net_device *dev,
6294 struct iw_request_info *info,
6295 struct iw_point *dwrq,
6296 char *extra)
6297 {
6298 struct airo_info *local = dev->ml_priv;
6299 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6300 __le16 currentAuthType = local->config.authType;
6301 int rc = 0;
6302
6303 if (!local->wep_capable)
6304 return -EOPNOTSUPP;
6305
6306 readConfigRid(local, 1);
6307
6308 /* Basic checking: do we have a key to set ?
6309 * Note : with the new API, it's impossible to get a NULL pointer.
6310 * Therefore, we need to check a key size == 0 instead.
6311 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6312 * when no key is present (only change flags), but older versions
6313 * don't do it. - Jean II */
6314 if (dwrq->length > 0) {
6315 wep_key_t key;
6316 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6317 int current_index;
6318
6319 /* Check the size of the key */
6320 if (dwrq->length > MAX_KEY_SIZE) {
6321 return -EINVAL;
6322 }
6323
6324 current_index = get_wep_tx_idx(local);
6325 if (current_index < 0)
6326 current_index = 0;
6327
6328 /* Check the index (none -> use current) */
6329 if (!valid_index(local, index))
6330 index = current_index;
6331
6332 /* Set the length */
6333 if (dwrq->length > MIN_KEY_SIZE)
6334 key.len = MAX_KEY_SIZE;
6335 else
6336 key.len = MIN_KEY_SIZE;
6337 /* Check if the key is not marked as invalid */
6338 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6339 /* Cleanup */
6340 memset(key.key, 0, MAX_KEY_SIZE);
6341 /* Copy the key in the driver */
6342 memcpy(key.key, extra, dwrq->length);
6343 /* Send the key to the card */
6344 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6345 if (rc < 0) {
6346 airo_print_err(local->dev->name, "failed to set"
6347 " WEP key at index %d: %d.",
6348 index, rc);
6349 return rc;
6350 }
6351 }
6352 /* WE specify that if a valid key is set, encryption
6353 * should be enabled (user may turn it off later)
6354 * This is also how "iwconfig ethX key on" works */
6355 if((index == current_index) && (key.len > 0) &&
6356 (local->config.authType == AUTH_OPEN))
6357 set_auth_type(local, AUTH_ENCRYPT);
6358 } else {
6359 /* Do we want to just set the transmit key index ? */
6360 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6361 if (valid_index(local, index)) {
6362 rc = set_wep_tx_idx(local, index, perm, 1);
6363 if (rc < 0) {
6364 airo_print_err(local->dev->name, "failed to set"
6365 " WEP transmit index to %d: %d.",
6366 index, rc);
6367 return rc;
6368 }
6369 } else {
6370 /* Don't complain if only change the mode */
6371 if (!(dwrq->flags & IW_ENCODE_MODE))
6372 return -EINVAL;
6373 }
6374 }
6375 /* Read the flags */
6376 if (dwrq->flags & IW_ENCODE_DISABLED)
6377 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6378 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6379 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6380 if (dwrq->flags & IW_ENCODE_OPEN)
6381 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6382 /* Commit the changes to flags if needed */
6383 if (local->config.authType != currentAuthType)
6384 set_bit (FLAG_COMMIT, &local->flags);
6385 return -EINPROGRESS; /* Call commit handler */
6386 }
6387
6388 /*------------------------------------------------------------------*/
6389 /*
6390 * Wireless Handler : get Encryption Key
6391 */
6392 static int airo_get_encode(struct net_device *dev,
6393 struct iw_request_info *info,
6394 struct iw_point *dwrq,
6395 char *extra)
6396 {
6397 struct airo_info *local = dev->ml_priv;
6398 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6399 int wep_key_len;
6400 u8 buf[16];
6401
6402 if (!local->wep_capable)
6403 return -EOPNOTSUPP;
6404
6405 readConfigRid(local, 1);
6406
6407 /* Check encryption mode */
6408 switch(local->config.authType) {
6409 case AUTH_ENCRYPT:
6410 dwrq->flags = IW_ENCODE_OPEN;
6411 break;
6412 case AUTH_SHAREDKEY:
6413 dwrq->flags = IW_ENCODE_RESTRICTED;
6414 break;
6415 default:
6416 case AUTH_OPEN:
6417 dwrq->flags = IW_ENCODE_DISABLED;
6418 break;
6419 }
6420 /* We can't return the key, so set the proper flag and return zero */
6421 dwrq->flags |= IW_ENCODE_NOKEY;
6422 memset(extra, 0, 16);
6423
6424 /* Which key do we want ? -1 -> tx index */
6425 if (!valid_index(local, index)) {
6426 index = get_wep_tx_idx(local);
6427 if (index < 0)
6428 index = 0;
6429 }
6430 dwrq->flags |= index + 1;
6431
6432 /* Copy the key to the user buffer */
6433 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6434 if (wep_key_len < 0) {
6435 dwrq->length = 0;
6436 } else {
6437 dwrq->length = wep_key_len;
6438 memcpy(extra, buf, dwrq->length);
6439 }
6440
6441 return 0;
6442 }
6443
6444 /*------------------------------------------------------------------*/
6445 /*
6446 * Wireless Handler : set extended Encryption parameters
6447 */
6448 static int airo_set_encodeext(struct net_device *dev,
6449 struct iw_request_info *info,
6450 union iwreq_data *wrqu,
6451 char *extra)
6452 {
6453 struct airo_info *local = dev->ml_priv;
6454 struct iw_point *encoding = &wrqu->encoding;
6455 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6456 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6457 __le16 currentAuthType = local->config.authType;
6458 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6459 wep_key_t key;
6460
6461 if (!local->wep_capable)
6462 return -EOPNOTSUPP;
6463
6464 readConfigRid(local, 1);
6465
6466 /* Determine and validate the key index */
6467 idx = encoding->flags & IW_ENCODE_INDEX;
6468 if (idx) {
6469 if (!valid_index(local, idx - 1))
6470 return -EINVAL;
6471 idx--;
6472 } else {
6473 idx = get_wep_tx_idx(local);
6474 if (idx < 0)
6475 idx = 0;
6476 }
6477
6478 if (encoding->flags & IW_ENCODE_DISABLED)
6479 alg = IW_ENCODE_ALG_NONE;
6480
6481 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6482 /* Only set transmit key index here, actual
6483 * key is set below if needed.
6484 */
6485 rc = set_wep_tx_idx(local, idx, perm, 1);
6486 if (rc < 0) {
6487 airo_print_err(local->dev->name, "failed to set "
6488 "WEP transmit index to %d: %d.",
6489 idx, rc);
6490 return rc;
6491 }
6492 set_key = ext->key_len > 0 ? 1 : 0;
6493 }
6494
6495 if (set_key) {
6496 /* Set the requested key first */
6497 memset(key.key, 0, MAX_KEY_SIZE);
6498 switch (alg) {
6499 case IW_ENCODE_ALG_NONE:
6500 key.len = 0;
6501 break;
6502 case IW_ENCODE_ALG_WEP:
6503 if (ext->key_len > MIN_KEY_SIZE) {
6504 key.len = MAX_KEY_SIZE;
6505 } else if (ext->key_len > 0) {
6506 key.len = MIN_KEY_SIZE;
6507 } else {
6508 return -EINVAL;
6509 }
6510 key_len = min (ext->key_len, key.len);
6511 memcpy(key.key, ext->key, key_len);
6512 break;
6513 default:
6514 return -EINVAL;
6515 }
6516 if (key.len == 0) {
6517 rc = set_wep_tx_idx(local, idx, perm, 1);
6518 if (rc < 0) {
6519 airo_print_err(local->dev->name,
6520 "failed to set WEP transmit index to %d: %d.",
6521 idx, rc);
6522 return rc;
6523 }
6524 } else {
6525 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6526 if (rc < 0) {
6527 airo_print_err(local->dev->name,
6528 "failed to set WEP key at index %d: %d.",
6529 idx, rc);
6530 return rc;
6531 }
6532 }
6533 }
6534
6535 /* Read the flags */
6536 if (encoding->flags & IW_ENCODE_DISABLED)
6537 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6538 if(encoding->flags & IW_ENCODE_RESTRICTED)
6539 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6540 if (encoding->flags & IW_ENCODE_OPEN)
6541 set_auth_type(local, AUTH_ENCRYPT);
6542 /* Commit the changes to flags if needed */
6543 if (local->config.authType != currentAuthType)
6544 set_bit (FLAG_COMMIT, &local->flags);
6545
6546 return -EINPROGRESS;
6547 }
6548
6549
6550 /*------------------------------------------------------------------*/
6551 /*
6552 * Wireless Handler : get extended Encryption parameters
6553 */
6554 static int airo_get_encodeext(struct net_device *dev,
6555 struct iw_request_info *info,
6556 union iwreq_data *wrqu,
6557 char *extra)
6558 {
6559 struct airo_info *local = dev->ml_priv;
6560 struct iw_point *encoding = &wrqu->encoding;
6561 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6562 int idx, max_key_len, wep_key_len;
6563 u8 buf[16];
6564
6565 if (!local->wep_capable)
6566 return -EOPNOTSUPP;
6567
6568 readConfigRid(local, 1);
6569
6570 max_key_len = encoding->length - sizeof(*ext);
6571 if (max_key_len < 0)
6572 return -EINVAL;
6573
6574 idx = encoding->flags & IW_ENCODE_INDEX;
6575 if (idx) {
6576 if (!valid_index(local, idx - 1))
6577 return -EINVAL;
6578 idx--;
6579 } else {
6580 idx = get_wep_tx_idx(local);
6581 if (idx < 0)
6582 idx = 0;
6583 }
6584
6585 encoding->flags = idx + 1;
6586 memset(ext, 0, sizeof(*ext));
6587
6588 /* Check encryption mode */
6589 switch(local->config.authType) {
6590 case AUTH_ENCRYPT:
6591 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6592 break;
6593 case AUTH_SHAREDKEY:
6594 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6595 break;
6596 default:
6597 case AUTH_OPEN:
6598 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6599 break;
6600 }
6601 /* We can't return the key, so set the proper flag and return zero */
6602 encoding->flags |= IW_ENCODE_NOKEY;
6603 memset(extra, 0, 16);
6604
6605 /* Copy the key to the user buffer */
6606 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6607 if (wep_key_len < 0) {
6608 ext->key_len = 0;
6609 } else {
6610 ext->key_len = wep_key_len;
6611 memcpy(extra, buf, ext->key_len);
6612 }
6613
6614 return 0;
6615 }
6616
6617
6618 /*------------------------------------------------------------------*/
6619 /*
6620 * Wireless Handler : set extended authentication parameters
6621 */
6622 static int airo_set_auth(struct net_device *dev,
6623 struct iw_request_info *info,
6624 union iwreq_data *wrqu, char *extra)
6625 {
6626 struct airo_info *local = dev->ml_priv;
6627 struct iw_param *param = &wrqu->param;
6628 __le16 currentAuthType = local->config.authType;
6629
6630 switch (param->flags & IW_AUTH_INDEX) {
6631 case IW_AUTH_WPA_VERSION:
6632 case IW_AUTH_CIPHER_PAIRWISE:
6633 case IW_AUTH_CIPHER_GROUP:
6634 case IW_AUTH_KEY_MGMT:
6635 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6636 case IW_AUTH_PRIVACY_INVOKED:
6637 /*
6638 * airo does not use these parameters
6639 */
6640 break;
6641
6642 case IW_AUTH_DROP_UNENCRYPTED:
6643 if (param->value) {
6644 /* Only change auth type if unencrypted */
6645 if (currentAuthType == AUTH_OPEN)
6646 set_auth_type(local, AUTH_ENCRYPT);
6647 } else {
6648 set_auth_type(local, AUTH_OPEN);
6649 }
6650
6651 /* Commit the changes to flags if needed */
6652 if (local->config.authType != currentAuthType)
6653 set_bit (FLAG_COMMIT, &local->flags);
6654 break;
6655
6656 case IW_AUTH_80211_AUTH_ALG: {
6657 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6658 set_auth_type(local, AUTH_SHAREDKEY);
6659 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6660 /* We don't know here if WEP open system or
6661 * unencrypted mode was requested - so use the
6662 * last mode (of these two) used last time
6663 */
6664 set_auth_type(local, local->last_auth);
6665 } else
6666 return -EINVAL;
6667
6668 /* Commit the changes to flags if needed */
6669 if (local->config.authType != currentAuthType)
6670 set_bit (FLAG_COMMIT, &local->flags);
6671 break;
6672 }
6673
6674 case IW_AUTH_WPA_ENABLED:
6675 /* Silently accept disable of WPA */
6676 if (param->value > 0)
6677 return -EOPNOTSUPP;
6678 break;
6679
6680 default:
6681 return -EOPNOTSUPP;
6682 }
6683 return -EINPROGRESS;
6684 }
6685
6686
6687 /*------------------------------------------------------------------*/
6688 /*
6689 * Wireless Handler : get extended authentication parameters
6690 */
6691 static int airo_get_auth(struct net_device *dev,
6692 struct iw_request_info *info,
6693 union iwreq_data *wrqu, char *extra)
6694 {
6695 struct airo_info *local = dev->ml_priv;
6696 struct iw_param *param = &wrqu->param;
6697 __le16 currentAuthType = local->config.authType;
6698
6699 switch (param->flags & IW_AUTH_INDEX) {
6700 case IW_AUTH_DROP_UNENCRYPTED:
6701 switch (currentAuthType) {
6702 case AUTH_SHAREDKEY:
6703 case AUTH_ENCRYPT:
6704 param->value = 1;
6705 break;
6706 default:
6707 param->value = 0;
6708 break;
6709 }
6710 break;
6711
6712 case IW_AUTH_80211_AUTH_ALG:
6713 switch (currentAuthType) {
6714 case AUTH_SHAREDKEY:
6715 param->value = IW_AUTH_ALG_SHARED_KEY;
6716 break;
6717 case AUTH_ENCRYPT:
6718 default:
6719 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6720 break;
6721 }
6722 break;
6723
6724 case IW_AUTH_WPA_ENABLED:
6725 param->value = 0;
6726 break;
6727
6728 default:
6729 return -EOPNOTSUPP;
6730 }
6731 return 0;
6732 }
6733
6734
6735 /*------------------------------------------------------------------*/
6736 /*
6737 * Wireless Handler : set Tx-Power
6738 */
6739 static int airo_set_txpow(struct net_device *dev,
6740 struct iw_request_info *info,
6741 struct iw_param *vwrq,
6742 char *extra)
6743 {
6744 struct airo_info *local = dev->ml_priv;
6745 CapabilityRid cap_rid; /* Card capability info */
6746 int i;
6747 int rc = -EINVAL;
6748 __le16 v = cpu_to_le16(vwrq->value);
6749
6750 readCapabilityRid(local, &cap_rid, 1);
6751
6752 if (vwrq->disabled) {
6753 set_bit (FLAG_RADIO_OFF, &local->flags);
6754 set_bit (FLAG_COMMIT, &local->flags);
6755 return -EINPROGRESS; /* Call commit handler */
6756 }
6757 if (vwrq->flags != IW_TXPOW_MWATT) {
6758 return -EINVAL;
6759 }
6760 clear_bit (FLAG_RADIO_OFF, &local->flags);
6761 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6762 if (v == cap_rid.txPowerLevels[i]) {
6763 readConfigRid(local, 1);
6764 local->config.txPower = v;
6765 set_bit (FLAG_COMMIT, &local->flags);
6766 rc = -EINPROGRESS; /* Call commit handler */
6767 break;
6768 }
6769 return rc;
6770 }
6771
6772 /*------------------------------------------------------------------*/
6773 /*
6774 * Wireless Handler : get Tx-Power
6775 */
6776 static int airo_get_txpow(struct net_device *dev,
6777 struct iw_request_info *info,
6778 struct iw_param *vwrq,
6779 char *extra)
6780 {
6781 struct airo_info *local = dev->ml_priv;
6782
6783 readConfigRid(local, 1);
6784 vwrq->value = le16_to_cpu(local->config.txPower);
6785 vwrq->fixed = 1; /* No power control */
6786 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6787 vwrq->flags = IW_TXPOW_MWATT;
6788
6789 return 0;
6790 }
6791
6792 /*------------------------------------------------------------------*/
6793 /*
6794 * Wireless Handler : set Retry limits
6795 */
6796 static int airo_set_retry(struct net_device *dev,
6797 struct iw_request_info *info,
6798 struct iw_param *vwrq,
6799 char *extra)
6800 {
6801 struct airo_info *local = dev->ml_priv;
6802 int rc = -EINVAL;
6803
6804 if(vwrq->disabled) {
6805 return -EINVAL;
6806 }
6807 readConfigRid(local, 1);
6808 if(vwrq->flags & IW_RETRY_LIMIT) {
6809 __le16 v = cpu_to_le16(vwrq->value);
6810 if(vwrq->flags & IW_RETRY_LONG)
6811 local->config.longRetryLimit = v;
6812 else if (vwrq->flags & IW_RETRY_SHORT)
6813 local->config.shortRetryLimit = v;
6814 else {
6815 /* No modifier : set both */
6816 local->config.longRetryLimit = v;
6817 local->config.shortRetryLimit = v;
6818 }
6819 set_bit (FLAG_COMMIT, &local->flags);
6820 rc = -EINPROGRESS; /* Call commit handler */
6821 }
6822 if(vwrq->flags & IW_RETRY_LIFETIME) {
6823 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6824 set_bit (FLAG_COMMIT, &local->flags);
6825 rc = -EINPROGRESS; /* Call commit handler */
6826 }
6827 return rc;
6828 }
6829
6830 /*------------------------------------------------------------------*/
6831 /*
6832 * Wireless Handler : get Retry limits
6833 */
6834 static int airo_get_retry(struct net_device *dev,
6835 struct iw_request_info *info,
6836 struct iw_param *vwrq,
6837 char *extra)
6838 {
6839 struct airo_info *local = dev->ml_priv;
6840
6841 vwrq->disabled = 0; /* Can't be disabled */
6842
6843 readConfigRid(local, 1);
6844 /* Note : by default, display the min retry number */
6845 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6846 vwrq->flags = IW_RETRY_LIFETIME;
6847 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6848 } else if((vwrq->flags & IW_RETRY_LONG)) {
6849 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6850 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6851 } else {
6852 vwrq->flags = IW_RETRY_LIMIT;
6853 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6854 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6855 vwrq->flags |= IW_RETRY_SHORT;
6856 }
6857
6858 return 0;
6859 }
6860
6861 /*------------------------------------------------------------------*/
6862 /*
6863 * Wireless Handler : get range info
6864 */
6865 static int airo_get_range(struct net_device *dev,
6866 struct iw_request_info *info,
6867 struct iw_point *dwrq,
6868 char *extra)
6869 {
6870 struct airo_info *local = dev->ml_priv;
6871 struct iw_range *range = (struct iw_range *) extra;
6872 CapabilityRid cap_rid; /* Card capability info */
6873 int i;
6874 int k;
6875
6876 readCapabilityRid(local, &cap_rid, 1);
6877
6878 dwrq->length = sizeof(struct iw_range);
6879 memset(range, 0, sizeof(*range));
6880 range->min_nwid = 0x0000;
6881 range->max_nwid = 0x0000;
6882 range->num_channels = 14;
6883 /* Should be based on cap_rid.country to give only
6884 * what the current card support */
6885 k = 0;
6886 for(i = 0; i < 14; i++) {
6887 range->freq[k].i = i + 1; /* List index */
6888 range->freq[k].m = 100000 *
6889 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ);
6890 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6891 }
6892 range->num_frequency = k;
6893
6894 range->sensitivity = 65535;
6895
6896 /* Hum... Should put the right values there */
6897 if (local->rssi)
6898 range->max_qual.qual = 100; /* % */
6899 else
6900 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6901 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6902 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6903
6904 /* Experimental measurements - boundary 11/5.5 Mb/s */
6905 /* Note : with or without the (local->rssi), results
6906 * are somewhat different. - Jean II */
6907 if (local->rssi) {
6908 range->avg_qual.qual = 50; /* % */
6909 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6910 } else {
6911 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6912 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6913 }
6914 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6915
6916 for(i = 0 ; i < 8 ; i++) {
6917 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6918 if(range->bitrate[i] == 0)
6919 break;
6920 }
6921 range->num_bitrates = i;
6922
6923 /* Set an indication of the max TCP throughput
6924 * in bit/s that we can expect using this interface.
6925 * May be use for QoS stuff... Jean II */
6926 if(i > 2)
6927 range->throughput = 5000 * 1000;
6928 else
6929 range->throughput = 1500 * 1000;
6930
6931 range->min_rts = 0;
6932 range->max_rts = AIRO_DEF_MTU;
6933 range->min_frag = 256;
6934 range->max_frag = AIRO_DEF_MTU;
6935
6936 if(cap_rid.softCap & cpu_to_le16(2)) {
6937 // WEP: RC4 40 bits
6938 range->encoding_size[0] = 5;
6939 // RC4 ~128 bits
6940 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6941 range->encoding_size[1] = 13;
6942 range->num_encoding_sizes = 2;
6943 } else
6944 range->num_encoding_sizes = 1;
6945 range->max_encoding_tokens =
6946 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6947 } else {
6948 range->num_encoding_sizes = 0;
6949 range->max_encoding_tokens = 0;
6950 }
6951 range->min_pmp = 0;
6952 range->max_pmp = 5000000; /* 5 secs */
6953 range->min_pmt = 0;
6954 range->max_pmt = 65535 * 1024; /* ??? */
6955 range->pmp_flags = IW_POWER_PERIOD;
6956 range->pmt_flags = IW_POWER_TIMEOUT;
6957 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6958
6959 /* Transmit Power - values are in mW */
6960 for(i = 0 ; i < 8 ; i++) {
6961 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6962 if(range->txpower[i] == 0)
6963 break;
6964 }
6965 range->num_txpower = i;
6966 range->txpower_capa = IW_TXPOW_MWATT;
6967 range->we_version_source = 19;
6968 range->we_version_compiled = WIRELESS_EXT;
6969 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6970 range->retry_flags = IW_RETRY_LIMIT;
6971 range->r_time_flags = IW_RETRY_LIFETIME;
6972 range->min_retry = 1;
6973 range->max_retry = 65535;
6974 range->min_r_time = 1024;
6975 range->max_r_time = 65535 * 1024;
6976
6977 /* Event capability (kernel + driver) */
6978 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6979 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6980 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6981 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6982 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6983 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6984 return 0;
6985 }
6986
6987 /*------------------------------------------------------------------*/
6988 /*
6989 * Wireless Handler : set Power Management
6990 */
6991 static int airo_set_power(struct net_device *dev,
6992 struct iw_request_info *info,
6993 struct iw_param *vwrq,
6994 char *extra)
6995 {
6996 struct airo_info *local = dev->ml_priv;
6997
6998 readConfigRid(local, 1);
6999 if (vwrq->disabled) {
7000 if (sniffing_mode(local))
7001 return -EINVAL;
7002 local->config.powerSaveMode = POWERSAVE_CAM;
7003 local->config.rmode &= ~RXMODE_MASK;
7004 local->config.rmode |= RXMODE_BC_MC_ADDR;
7005 set_bit (FLAG_COMMIT, &local->flags);
7006 return -EINPROGRESS; /* Call commit handler */
7007 }
7008 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7009 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7010 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7011 set_bit (FLAG_COMMIT, &local->flags);
7012 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7013 local->config.fastListenInterval =
7014 local->config.listenInterval =
7015 cpu_to_le16((vwrq->value + 500) / 1024);
7016 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7017 set_bit (FLAG_COMMIT, &local->flags);
7018 }
7019 switch (vwrq->flags & IW_POWER_MODE) {
7020 case IW_POWER_UNICAST_R:
7021 if (sniffing_mode(local))
7022 return -EINVAL;
7023 local->config.rmode &= ~RXMODE_MASK;
7024 local->config.rmode |= RXMODE_ADDR;
7025 set_bit (FLAG_COMMIT, &local->flags);
7026 break;
7027 case IW_POWER_ALL_R:
7028 if (sniffing_mode(local))
7029 return -EINVAL;
7030 local->config.rmode &= ~RXMODE_MASK;
7031 local->config.rmode |= RXMODE_BC_MC_ADDR;
7032 set_bit (FLAG_COMMIT, &local->flags);
7033 case IW_POWER_ON:
7034 /* This is broken, fixme ;-) */
7035 break;
7036 default:
7037 return -EINVAL;
7038 }
7039 // Note : we may want to factor local->need_commit here
7040 // Note2 : may also want to factor RXMODE_RFMON test
7041 return -EINPROGRESS; /* Call commit handler */
7042 }
7043
7044 /*------------------------------------------------------------------*/
7045 /*
7046 * Wireless Handler : get Power Management
7047 */
7048 static int airo_get_power(struct net_device *dev,
7049 struct iw_request_info *info,
7050 struct iw_param *vwrq,
7051 char *extra)
7052 {
7053 struct airo_info *local = dev->ml_priv;
7054 __le16 mode;
7055
7056 readConfigRid(local, 1);
7057 mode = local->config.powerSaveMode;
7058 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7059 return 0;
7060 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7061 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7062 vwrq->flags = IW_POWER_TIMEOUT;
7063 } else {
7064 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7065 vwrq->flags = IW_POWER_PERIOD;
7066 }
7067 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7068 vwrq->flags |= IW_POWER_UNICAST_R;
7069 else
7070 vwrq->flags |= IW_POWER_ALL_R;
7071
7072 return 0;
7073 }
7074
7075 /*------------------------------------------------------------------*/
7076 /*
7077 * Wireless Handler : set Sensitivity
7078 */
7079 static int airo_set_sens(struct net_device *dev,
7080 struct iw_request_info *info,
7081 struct iw_param *vwrq,
7082 char *extra)
7083 {
7084 struct airo_info *local = dev->ml_priv;
7085
7086 readConfigRid(local, 1);
7087 local->config.rssiThreshold =
7088 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7089 set_bit (FLAG_COMMIT, &local->flags);
7090
7091 return -EINPROGRESS; /* Call commit handler */
7092 }
7093
7094 /*------------------------------------------------------------------*/
7095 /*
7096 * Wireless Handler : get Sensitivity
7097 */
7098 static int airo_get_sens(struct net_device *dev,
7099 struct iw_request_info *info,
7100 struct iw_param *vwrq,
7101 char *extra)
7102 {
7103 struct airo_info *local = dev->ml_priv;
7104
7105 readConfigRid(local, 1);
7106 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7107 vwrq->disabled = (vwrq->value == 0);
7108 vwrq->fixed = 1;
7109
7110 return 0;
7111 }
7112
7113 /*------------------------------------------------------------------*/
7114 /*
7115 * Wireless Handler : get AP List
7116 * Note : this is deprecated in favor of IWSCAN
7117 */
7118 static int airo_get_aplist(struct net_device *dev,
7119 struct iw_request_info *info,
7120 struct iw_point *dwrq,
7121 char *extra)
7122 {
7123 struct airo_info *local = dev->ml_priv;
7124 struct sockaddr *address = (struct sockaddr *) extra;
7125 struct iw_quality *qual;
7126 BSSListRid BSSList;
7127 int i;
7128 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7129
7130 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL);
7131 if (!qual)
7132 return -ENOMEM;
7133
7134 for (i = 0; i < IW_MAX_AP; i++) {
7135 u16 dBm;
7136 if (readBSSListRid(local, loseSync, &BSSList))
7137 break;
7138 loseSync = 0;
7139 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7140 address[i].sa_family = ARPHRD_ETHER;
7141 dBm = le16_to_cpu(BSSList.dBm);
7142 if (local->rssi) {
7143 qual[i].level = 0x100 - dBm;
7144 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7145 qual[i].updated = IW_QUAL_QUAL_UPDATED
7146 | IW_QUAL_LEVEL_UPDATED
7147 | IW_QUAL_DBM;
7148 } else {
7149 qual[i].level = (dBm + 321) / 2;
7150 qual[i].qual = 0;
7151 qual[i].updated = IW_QUAL_QUAL_INVALID
7152 | IW_QUAL_LEVEL_UPDATED
7153 | IW_QUAL_DBM;
7154 }
7155 qual[i].noise = local->wstats.qual.noise;
7156 if (BSSList.index == cpu_to_le16(0xffff))
7157 break;
7158 }
7159 if (!i) {
7160 StatusRid status_rid; /* Card status info */
7161 readStatusRid(local, &status_rid, 1);
7162 for (i = 0;
7163 i < min(IW_MAX_AP, 4) &&
7164 (status_rid.bssid[i][0]
7165 & status_rid.bssid[i][1]
7166 & status_rid.bssid[i][2]
7167 & status_rid.bssid[i][3]
7168 & status_rid.bssid[i][4]
7169 & status_rid.bssid[i][5])!=0xff &&
7170 (status_rid.bssid[i][0]
7171 | status_rid.bssid[i][1]
7172 | status_rid.bssid[i][2]
7173 | status_rid.bssid[i][3]
7174 | status_rid.bssid[i][4]
7175 | status_rid.bssid[i][5]);
7176 i++) {
7177 memcpy(address[i].sa_data,
7178 status_rid.bssid[i], ETH_ALEN);
7179 address[i].sa_family = ARPHRD_ETHER;
7180 }
7181 } else {
7182 dwrq->flags = 1; /* Should be define'd */
7183 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7184 sizeof(struct iw_quality) * i);
7185 }
7186 dwrq->length = i;
7187
7188 kfree(qual);
7189 return 0;
7190 }
7191
7192 /*------------------------------------------------------------------*/
7193 /*
7194 * Wireless Handler : Initiate Scan
7195 */
7196 static int airo_set_scan(struct net_device *dev,
7197 struct iw_request_info *info,
7198 struct iw_point *dwrq,
7199 char *extra)
7200 {
7201 struct airo_info *ai = dev->ml_priv;
7202 Cmd cmd;
7203 Resp rsp;
7204 int wake = 0;
7205 APListRid APList_rid_empty;
7206
7207 /* Note : you may have realised that, as this is a SET operation,
7208 * this is privileged and therefore a normal user can't
7209 * perform scanning.
7210 * This is not an error, while the device perform scanning,
7211 * traffic doesn't flow, so it's a perfect DoS...
7212 * Jean II */
7213 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7214
7215 if (down_interruptible(&ai->sem))
7216 return -ERESTARTSYS;
7217
7218 /* If there's already a scan in progress, don't
7219 * trigger another one. */
7220 if (ai->scan_timeout > 0)
7221 goto out;
7222
7223 /* Clear APList as it affects scan results */
7224 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7225 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7226 disable_MAC(ai, 2);
7227 writeAPListRid(ai, &APList_rid_empty, 0);
7228 enable_MAC(ai, 0);
7229
7230 /* Initiate a scan command */
7231 ai->scan_timeout = RUN_AT(3*HZ);
7232 memset(&cmd, 0, sizeof(cmd));
7233 cmd.cmd=CMD_LISTBSS;
7234 issuecommand(ai, &cmd, &rsp);
7235 wake = 1;
7236
7237 out:
7238 up(&ai->sem);
7239 if (wake)
7240 wake_up_interruptible(&ai->thr_wait);
7241 return 0;
7242 }
7243
7244 /*------------------------------------------------------------------*/
7245 /*
7246 * Translate scan data returned from the card to a card independent
7247 * format that the Wireless Tools will understand - Jean II
7248 */
7249 static inline char *airo_translate_scan(struct net_device *dev,
7250 struct iw_request_info *info,
7251 char *current_ev,
7252 char *end_buf,
7253 BSSListRid *bss)
7254 {
7255 struct airo_info *ai = dev->ml_priv;
7256 struct iw_event iwe; /* Temporary buffer */
7257 __le16 capabilities;
7258 char * current_val; /* For rates */
7259 int i;
7260 char * buf;
7261 u16 dBm;
7262
7263 /* First entry *MUST* be the AP MAC address */
7264 iwe.cmd = SIOCGIWAP;
7265 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7266 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7267 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7268 &iwe, IW_EV_ADDR_LEN);
7269
7270 /* Other entries will be displayed in the order we give them */
7271
7272 /* Add the ESSID */
7273 iwe.u.data.length = bss->ssidLen;
7274 if(iwe.u.data.length > 32)
7275 iwe.u.data.length = 32;
7276 iwe.cmd = SIOCGIWESSID;
7277 iwe.u.data.flags = 1;
7278 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7279 &iwe, bss->ssid);
7280
7281 /* Add mode */
7282 iwe.cmd = SIOCGIWMODE;
7283 capabilities = bss->cap;
7284 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7285 if(capabilities & CAP_ESS)
7286 iwe.u.mode = IW_MODE_MASTER;
7287 else
7288 iwe.u.mode = IW_MODE_ADHOC;
7289 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7290 &iwe, IW_EV_UINT_LEN);
7291 }
7292
7293 /* Add frequency */
7294 iwe.cmd = SIOCGIWFREQ;
7295 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7296 iwe.u.freq.m = 100000 *
7297 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ);
7298 iwe.u.freq.e = 1;
7299 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7300 &iwe, IW_EV_FREQ_LEN);
7301
7302 dBm = le16_to_cpu(bss->dBm);
7303
7304 /* Add quality statistics */
7305 iwe.cmd = IWEVQUAL;
7306 if (ai->rssi) {
7307 iwe.u.qual.level = 0x100 - dBm;
7308 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7309 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7310 | IW_QUAL_LEVEL_UPDATED
7311 | IW_QUAL_DBM;
7312 } else {
7313 iwe.u.qual.level = (dBm + 321) / 2;
7314 iwe.u.qual.qual = 0;
7315 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7316 | IW_QUAL_LEVEL_UPDATED
7317 | IW_QUAL_DBM;
7318 }
7319 iwe.u.qual.noise = ai->wstats.qual.noise;
7320 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7321 &iwe, IW_EV_QUAL_LEN);
7322
7323 /* Add encryption capability */
7324 iwe.cmd = SIOCGIWENCODE;
7325 if(capabilities & CAP_PRIVACY)
7326 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7327 else
7328 iwe.u.data.flags = IW_ENCODE_DISABLED;
7329 iwe.u.data.length = 0;
7330 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7331 &iwe, bss->ssid);
7332
7333 /* Rate : stuffing multiple values in a single event require a bit
7334 * more of magic - Jean II */
7335 current_val = current_ev + iwe_stream_lcp_len(info);
7336
7337 iwe.cmd = SIOCGIWRATE;
7338 /* Those two flags are ignored... */
7339 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7340 /* Max 8 values */
7341 for(i = 0 ; i < 8 ; i++) {
7342 /* NULL terminated */
7343 if(bss->rates[i] == 0)
7344 break;
7345 /* Bit rate given in 500 kb/s units (+ 0x80) */
7346 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7347 /* Add new value to event */
7348 current_val = iwe_stream_add_value(info, current_ev,
7349 current_val, end_buf,
7350 &iwe, IW_EV_PARAM_LEN);
7351 }
7352 /* Check if we added any event */
7353 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7354 current_ev = current_val;
7355
7356 /* Beacon interval */
7357 buf = kmalloc(30, GFP_KERNEL);
7358 if (buf) {
7359 iwe.cmd = IWEVCUSTOM;
7360 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7361 iwe.u.data.length = strlen(buf);
7362 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7363 &iwe, buf);
7364 kfree(buf);
7365 }
7366
7367 /* Put WPA/RSN Information Elements into the event stream */
7368 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7369 unsigned int num_null_ies = 0;
7370 u16 length = sizeof (bss->extra.iep);
7371 u8 *ie = (void *)&bss->extra.iep;
7372
7373 while ((length >= 2) && (num_null_ies < 2)) {
7374 if (2 + ie[1] > length) {
7375 /* Invalid element, don't continue parsing IE */
7376 break;
7377 }
7378
7379 switch (ie[0]) {
7380 case WLAN_EID_SSID:
7381 /* Two zero-length SSID elements
7382 * mean we're done parsing elements */
7383 if (!ie[1])
7384 num_null_ies++;
7385 break;
7386
7387 case WLAN_EID_VENDOR_SPECIFIC:
7388 if (ie[1] >= 4 &&
7389 ie[2] == 0x00 &&
7390 ie[3] == 0x50 &&
7391 ie[4] == 0xf2 &&
7392 ie[5] == 0x01) {
7393 iwe.cmd = IWEVGENIE;
7394 /* 64 is an arbitrary cut-off */
7395 iwe.u.data.length = min(ie[1] + 2,
7396 64);
7397 current_ev = iwe_stream_add_point(
7398 info, current_ev,
7399 end_buf, &iwe, ie);
7400 }
7401 break;
7402
7403 case WLAN_EID_RSN:
7404 iwe.cmd = IWEVGENIE;
7405 /* 64 is an arbitrary cut-off */
7406 iwe.u.data.length = min(ie[1] + 2, 64);
7407 current_ev = iwe_stream_add_point(
7408 info, current_ev, end_buf,
7409 &iwe, ie);
7410 break;
7411
7412 default:
7413 break;
7414 }
7415
7416 length -= 2 + ie[1];
7417 ie += 2 + ie[1];
7418 }
7419 }
7420 return current_ev;
7421 }
7422
7423 /*------------------------------------------------------------------*/
7424 /*
7425 * Wireless Handler : Read Scan Results
7426 */
7427 static int airo_get_scan(struct net_device *dev,
7428 struct iw_request_info *info,
7429 struct iw_point *dwrq,
7430 char *extra)
7431 {
7432 struct airo_info *ai = dev->ml_priv;
7433 BSSListElement *net;
7434 int err = 0;
7435 char *current_ev = extra;
7436
7437 /* If a scan is in-progress, return -EAGAIN */
7438 if (ai->scan_timeout > 0)
7439 return -EAGAIN;
7440
7441 if (down_interruptible(&ai->sem))
7442 return -EAGAIN;
7443
7444 list_for_each_entry (net, &ai->network_list, list) {
7445 /* Translate to WE format this entry */
7446 current_ev = airo_translate_scan(dev, info, current_ev,
7447 extra + dwrq->length,
7448 &net->bss);
7449
7450 /* Check if there is space for one more entry */
7451 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7452 /* Ask user space to try again with a bigger buffer */
7453 err = -E2BIG;
7454 goto out;
7455 }
7456 }
7457
7458 /* Length of data */
7459 dwrq->length = (current_ev - extra);
7460 dwrq->flags = 0; /* todo */
7461
7462 out:
7463 up(&ai->sem);
7464 return err;
7465 }
7466
7467 /*------------------------------------------------------------------*/
7468 /*
7469 * Commit handler : called after a bunch of SET operations
7470 */
7471 static int airo_config_commit(struct net_device *dev,
7472 struct iw_request_info *info, /* NULL */
7473 void *zwrq, /* NULL */
7474 char *extra) /* NULL */
7475 {
7476 struct airo_info *local = dev->ml_priv;
7477
7478 if (!test_bit (FLAG_COMMIT, &local->flags))
7479 return 0;
7480
7481 /* Some of the "SET" function may have modified some of the
7482 * parameters. It's now time to commit them in the card */
7483 disable_MAC(local, 1);
7484 if (test_bit (FLAG_RESET, &local->flags)) {
7485 SsidRid SSID_rid;
7486
7487 readSsidRid(local, &SSID_rid);
7488 if (test_bit(FLAG_MPI,&local->flags))
7489 setup_card(local, dev->dev_addr, 1 );
7490 else
7491 reset_airo_card(dev);
7492 disable_MAC(local, 1);
7493 writeSsidRid(local, &SSID_rid, 1);
7494 writeAPListRid(local, &local->APList, 1);
7495 }
7496 if (down_interruptible(&local->sem))
7497 return -ERESTARTSYS;
7498 writeConfigRid(local, 0);
7499 enable_MAC(local, 0);
7500 if (test_bit (FLAG_RESET, &local->flags))
7501 airo_set_promisc(local);
7502 else
7503 up(&local->sem);
7504
7505 return 0;
7506 }
7507
7508 /*------------------------------------------------------------------*/
7509 /*
7510 * Structures to export the Wireless Handlers
7511 */
7512
7513 static const struct iw_priv_args airo_private_args[] = {
7514 /*{ cmd, set_args, get_args, name } */
7515 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7516 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7517 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7518 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7519 };
7520
7521 static const iw_handler airo_handler[] =
7522 {
7523 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7524 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7525 (iw_handler) NULL, /* SIOCSIWNWID */
7526 (iw_handler) NULL, /* SIOCGIWNWID */
7527 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7528 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7529 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7530 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7531 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7532 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7533 (iw_handler) NULL, /* SIOCSIWRANGE */
7534 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7535 (iw_handler) NULL, /* SIOCSIWPRIV */
7536 (iw_handler) NULL, /* SIOCGIWPRIV */
7537 (iw_handler) NULL, /* SIOCSIWSTATS */
7538 (iw_handler) NULL, /* SIOCGIWSTATS */
7539 iw_handler_set_spy, /* SIOCSIWSPY */
7540 iw_handler_get_spy, /* SIOCGIWSPY */
7541 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7542 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7543 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7544 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7545 (iw_handler) NULL, /* -- hole -- */
7546 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7547 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7548 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7549 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7550 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7551 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7552 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7553 (iw_handler) NULL, /* -- hole -- */
7554 (iw_handler) NULL, /* -- hole -- */
7555 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7556 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7557 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7558 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7559 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7560 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7561 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7562 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7563 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7564 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7565 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7566 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7567 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7568 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7569 (iw_handler) NULL, /* -- hole -- */
7570 (iw_handler) NULL, /* -- hole -- */
7571 (iw_handler) NULL, /* SIOCSIWGENIE */
7572 (iw_handler) NULL, /* SIOCGIWGENIE */
7573 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7574 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7575 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7576 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7577 (iw_handler) NULL, /* SIOCSIWPMKSA */
7578 };
7579
7580 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7581 * We want to force the use of the ioctl code, because those can't be
7582 * won't work the iw_handler code (because they simultaneously read
7583 * and write data and iw_handler can't do that).
7584 * Note that it's perfectly legal to read/write on a single ioctl command,
7585 * you just can't use iwpriv and need to force it via the ioctl handler.
7586 * Jean II */
7587 static const iw_handler airo_private_handler[] =
7588 {
7589 NULL, /* SIOCIWFIRSTPRIV */
7590 };
7591
7592 static const struct iw_handler_def airo_handler_def =
7593 {
7594 .num_standard = ARRAY_SIZE(airo_handler),
7595 .num_private = ARRAY_SIZE(airo_private_handler),
7596 .num_private_args = ARRAY_SIZE(airo_private_args),
7597 .standard = airo_handler,
7598 .private = airo_private_handler,
7599 .private_args = airo_private_args,
7600 .get_wireless_stats = airo_get_wireless_stats,
7601 };
7602
7603 /*
7604 * This defines the configuration part of the Wireless Extensions
7605 * Note : irq and spinlock protection will occur in the subroutines
7606 *
7607 * TODO :
7608 * o Check input value more carefully and fill correct values in range
7609 * o Test and shakeout the bugs (if any)
7610 *
7611 * Jean II
7612 *
7613 * Javier Achirica did a great job of merging code from the unnamed CISCO
7614 * developer that added support for flashing the card.
7615 */
7616 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7617 {
7618 int rc = 0;
7619 struct airo_info *ai = dev->ml_priv;
7620
7621 if (ai->power.event)
7622 return 0;
7623
7624 switch (cmd) {
7625 #ifdef CISCO_EXT
7626 case AIROIDIFC:
7627 #ifdef AIROOLDIDIFC
7628 case AIROOLDIDIFC:
7629 #endif
7630 {
7631 int val = AIROMAGIC;
7632 aironet_ioctl com;
7633 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7634 rc = -EFAULT;
7635 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7636 rc = -EFAULT;
7637 }
7638 break;
7639
7640 case AIROIOCTL:
7641 #ifdef AIROOLDIOCTL
7642 case AIROOLDIOCTL:
7643 #endif
7644 /* Get the command struct and hand it off for evaluation by
7645 * the proper subfunction
7646 */
7647 {
7648 aironet_ioctl com;
7649 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7650 rc = -EFAULT;
7651 break;
7652 }
7653
7654 /* Separate R/W functions bracket legality here
7655 */
7656 if ( com.command == AIRORSWVERSION ) {
7657 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7658 rc = -EFAULT;
7659 else
7660 rc = 0;
7661 }
7662 else if ( com.command <= AIRORRID)
7663 rc = readrids(dev,&com);
7664 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7665 rc = writerids(dev,&com);
7666 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7667 rc = flashcard(dev,&com);
7668 else
7669 rc = -EINVAL; /* Bad command in ioctl */
7670 }
7671 break;
7672 #endif /* CISCO_EXT */
7673
7674 // All other calls are currently unsupported
7675 default:
7676 rc = -EOPNOTSUPP;
7677 }
7678 return rc;
7679 }
7680
7681 /*
7682 * Get the Wireless stats out of the driver
7683 * Note : irq and spinlock protection will occur in the subroutines
7684 *
7685 * TODO :
7686 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7687 *
7688 * Jean
7689 */
7690 static void airo_read_wireless_stats(struct airo_info *local)
7691 {
7692 StatusRid status_rid;
7693 StatsRid stats_rid;
7694 CapabilityRid cap_rid;
7695 __le32 *vals = stats_rid.vals;
7696
7697 /* Get stats out of the card */
7698 clear_bit(JOB_WSTATS, &local->jobs);
7699 if (local->power.event) {
7700 up(&local->sem);
7701 return;
7702 }
7703 readCapabilityRid(local, &cap_rid, 0);
7704 readStatusRid(local, &status_rid, 0);
7705 readStatsRid(local, &stats_rid, RID_STATS, 0);
7706 up(&local->sem);
7707
7708 /* The status */
7709 local->wstats.status = le16_to_cpu(status_rid.mode);
7710
7711 /* Signal quality and co */
7712 if (local->rssi) {
7713 local->wstats.qual.level =
7714 airo_rssi_to_dbm(local->rssi,
7715 le16_to_cpu(status_rid.sigQuality));
7716 /* normalizedSignalStrength appears to be a percentage */
7717 local->wstats.qual.qual =
7718 le16_to_cpu(status_rid.normalizedSignalStrength);
7719 } else {
7720 local->wstats.qual.level =
7721 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7722 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7723 }
7724 if (le16_to_cpu(status_rid.len) >= 124) {
7725 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7726 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7727 } else {
7728 local->wstats.qual.noise = 0;
7729 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7730 }
7731
7732 /* Packets discarded in the wireless adapter due to wireless
7733 * specific problems */
7734 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7735 le32_to_cpu(vals[57]) +
7736 le32_to_cpu(vals[58]); /* SSID Mismatch */
7737 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7738 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7739 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7740 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7741 le32_to_cpu(vals[32]);
7742 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7743 }
7744
7745 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7746 {
7747 struct airo_info *local = dev->ml_priv;
7748
7749 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7750 /* Get stats out of the card if available */
7751 if (down_trylock(&local->sem) != 0) {
7752 set_bit(JOB_WSTATS, &local->jobs);
7753 wake_up_interruptible(&local->thr_wait);
7754 } else
7755 airo_read_wireless_stats(local);
7756 }
7757
7758 return &local->wstats;
7759 }
7760
7761 #ifdef CISCO_EXT
7762 /*
7763 * This just translates from driver IOCTL codes to the command codes to
7764 * feed to the radio's host interface. Things can be added/deleted
7765 * as needed. This represents the READ side of control I/O to
7766 * the card
7767 */
7768 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7769 unsigned short ridcode;
7770 unsigned char *iobuf;
7771 int len;
7772 struct airo_info *ai = dev->ml_priv;
7773
7774 if (test_bit(FLAG_FLASHING, &ai->flags))
7775 return -EIO;
7776
7777 switch(comp->command)
7778 {
7779 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7780 case AIROGCFG: ridcode = RID_CONFIG;
7781 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7782 disable_MAC (ai, 1);
7783 writeConfigRid (ai, 1);
7784 enable_MAC(ai, 1);
7785 }
7786 break;
7787 case AIROGSLIST: ridcode = RID_SSID; break;
7788 case AIROGVLIST: ridcode = RID_APLIST; break;
7789 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7790 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7791 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7792 /* Only super-user can read WEP keys */
7793 if (!capable(CAP_NET_ADMIN))
7794 return -EPERM;
7795 break;
7796 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7797 /* Only super-user can read WEP keys */
7798 if (!capable(CAP_NET_ADMIN))
7799 return -EPERM;
7800 break;
7801 case AIROGSTAT: ridcode = RID_STATUS; break;
7802 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7803 case AIROGSTATSC32: ridcode = RID_STATS; break;
7804 case AIROGMICSTATS:
7805 if (copy_to_user(comp->data, &ai->micstats,
7806 min((int)comp->len,(int)sizeof(ai->micstats))))
7807 return -EFAULT;
7808 return 0;
7809 case AIRORRID: ridcode = comp->ridnum; break;
7810 default:
7811 return -EINVAL;
7812 }
7813
7814 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7815 return -ENOMEM;
7816
7817 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7818 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7819 * then return it to the user
7820 * 9/22/2000 Honor user given length
7821 */
7822 len = comp->len;
7823
7824 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7825 kfree (iobuf);
7826 return -EFAULT;
7827 }
7828 kfree (iobuf);
7829 return 0;
7830 }
7831
7832 /*
7833 * Danger Will Robinson write the rids here
7834 */
7835
7836 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7837 struct airo_info *ai = dev->ml_priv;
7838 int ridcode;
7839 int enabled;
7840 int (*writer)(struct airo_info *, u16 rid, const void *, int, int);
7841 unsigned char *iobuf;
7842
7843 /* Only super-user can write RIDs */
7844 if (!capable(CAP_NET_ADMIN))
7845 return -EPERM;
7846
7847 if (test_bit(FLAG_FLASHING, &ai->flags))
7848 return -EIO;
7849
7850 ridcode = 0;
7851 writer = do_writerid;
7852
7853 switch(comp->command)
7854 {
7855 case AIROPSIDS: ridcode = RID_SSID; break;
7856 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7857 case AIROPAPLIST: ridcode = RID_APLIST; break;
7858 case AIROPCFG: ai->config.len = 0;
7859 clear_bit(FLAG_COMMIT, &ai->flags);
7860 ridcode = RID_CONFIG; break;
7861 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7862 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7863 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7864 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7865 break;
7866 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7867 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7868
7869 /* this is not really a rid but a command given to the card
7870 * same with MAC off
7871 */
7872 case AIROPMACON:
7873 if (enable_MAC(ai, 1) != 0)
7874 return -EIO;
7875 return 0;
7876
7877 /*
7878 * Evidently this code in the airo driver does not get a symbol
7879 * as disable_MAC. it's probably so short the compiler does not gen one.
7880 */
7881 case AIROPMACOFF:
7882 disable_MAC(ai, 1);
7883 return 0;
7884
7885 /* This command merely clears the counts does not actually store any data
7886 * only reads rid. But as it changes the cards state, I put it in the
7887 * writerid routines.
7888 */
7889 case AIROPSTCLR:
7890 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7891 return -ENOMEM;
7892
7893 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7894
7895 enabled = ai->micstats.enabled;
7896 memset(&ai->micstats,0,sizeof(ai->micstats));
7897 ai->micstats.enabled = enabled;
7898
7899 if (copy_to_user(comp->data, iobuf,
7900 min((int)comp->len, (int)RIDSIZE))) {
7901 kfree (iobuf);
7902 return -EFAULT;
7903 }
7904 kfree (iobuf);
7905 return 0;
7906
7907 default:
7908 return -EOPNOTSUPP; /* Blarg! */
7909 }
7910 if(comp->len > RIDSIZE)
7911 return -EINVAL;
7912
7913 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7914 return -ENOMEM;
7915
7916 if (copy_from_user(iobuf,comp->data,comp->len)) {
7917 kfree (iobuf);
7918 return -EFAULT;
7919 }
7920
7921 if (comp->command == AIROPCFG) {
7922 ConfigRid *cfg = (ConfigRid *)iobuf;
7923
7924 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7925 cfg->opmode |= MODE_MIC;
7926
7927 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7928 set_bit (FLAG_ADHOC, &ai->flags);
7929 else
7930 clear_bit (FLAG_ADHOC, &ai->flags);
7931 }
7932
7933 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7934 kfree (iobuf);
7935 return -EIO;
7936 }
7937 kfree (iobuf);
7938 return 0;
7939 }
7940
7941 /*****************************************************************************
7942 * Ancillary flash / mod functions much black magic lurkes here *
7943 *****************************************************************************
7944 */
7945
7946 /*
7947 * Flash command switch table
7948 */
7949
7950 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7951 int z;
7952
7953 /* Only super-user can modify flash */
7954 if (!capable(CAP_NET_ADMIN))
7955 return -EPERM;
7956
7957 switch(comp->command)
7958 {
7959 case AIROFLSHRST:
7960 return cmdreset((struct airo_info *)dev->ml_priv);
7961
7962 case AIROFLSHSTFL:
7963 if (!AIRO_FLASH(dev) &&
7964 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7965 return -ENOMEM;
7966 return setflashmode((struct airo_info *)dev->ml_priv);
7967
7968 case AIROFLSHGCHR: /* Get char from aux */
7969 if(comp->len != sizeof(int))
7970 return -EINVAL;
7971 if (copy_from_user(&z,comp->data,comp->len))
7972 return -EFAULT;
7973 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7974
7975 case AIROFLSHPCHR: /* Send char to card. */
7976 if(comp->len != sizeof(int))
7977 return -EINVAL;
7978 if (copy_from_user(&z,comp->data,comp->len))
7979 return -EFAULT;
7980 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7981
7982 case AIROFLPUTBUF: /* Send 32k to card */
7983 if (!AIRO_FLASH(dev))
7984 return -ENOMEM;
7985 if(comp->len > FLASHSIZE)
7986 return -EINVAL;
7987 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7988 return -EFAULT;
7989
7990 flashputbuf((struct airo_info *)dev->ml_priv);
7991 return 0;
7992
7993 case AIRORESTART:
7994 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
7995 return -EIO;
7996 return 0;
7997 }
7998 return -EINVAL;
7999 }
8000
8001 #define FLASH_COMMAND 0x7e7e
8002
8003 /*
8004 * STEP 1)
8005 * Disable MAC and do soft reset on
8006 * card.
8007 */
8008
8009 static int cmdreset(struct airo_info *ai) {
8010 disable_MAC(ai, 1);
8011
8012 if(!waitbusy (ai)){
8013 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8014 return -EBUSY;
8015 }
8016
8017 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8018
8019 ssleep(1); /* WAS 600 12/7/00 */
8020
8021 if(!waitbusy (ai)){
8022 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8023 return -EBUSY;
8024 }
8025 return 0;
8026 }
8027
8028 /* STEP 2)
8029 * Put the card in legendary flash
8030 * mode
8031 */
8032
8033 static int setflashmode (struct airo_info *ai) {
8034 set_bit (FLAG_FLASHING, &ai->flags);
8035
8036 OUT4500(ai, SWS0, FLASH_COMMAND);
8037 OUT4500(ai, SWS1, FLASH_COMMAND);
8038 if (probe) {
8039 OUT4500(ai, SWS0, FLASH_COMMAND);
8040 OUT4500(ai, COMMAND,0x10);
8041 } else {
8042 OUT4500(ai, SWS2, FLASH_COMMAND);
8043 OUT4500(ai, SWS3, FLASH_COMMAND);
8044 OUT4500(ai, COMMAND,0);
8045 }
8046 msleep(500); /* 500ms delay */
8047
8048 if(!waitbusy(ai)) {
8049 clear_bit (FLAG_FLASHING, &ai->flags);
8050 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8051 return -EIO;
8052 }
8053 return 0;
8054 }
8055
8056 /* Put character to SWS0 wait for dwelltime
8057 * x 50us for echo .
8058 */
8059
8060 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8061 int echo;
8062 int waittime;
8063
8064 byte |= 0x8000;
8065
8066 if(dwelltime == 0 )
8067 dwelltime = 200;
8068
8069 waittime=dwelltime;
8070
8071 /* Wait for busy bit d15 to go false indicating buffer empty */
8072 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8073 udelay (50);
8074 waittime -= 50;
8075 }
8076
8077 /* timeout for busy clear wait */
8078 if(waittime <= 0 ){
8079 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8080 return -EBUSY;
8081 }
8082
8083 /* Port is clear now write byte and wait for it to echo back */
8084 do {
8085 OUT4500(ai,SWS0,byte);
8086 udelay(50);
8087 dwelltime -= 50;
8088 echo = IN4500(ai,SWS1);
8089 } while (dwelltime >= 0 && echo != byte);
8090
8091 OUT4500(ai,SWS1,0);
8092
8093 return (echo == byte) ? 0 : -EIO;
8094 }
8095
8096 /*
8097 * Get a character from the card matching matchbyte
8098 * Step 3)
8099 */
8100 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8101 int rchar;
8102 unsigned char rbyte=0;
8103
8104 do {
8105 rchar = IN4500(ai,SWS1);
8106
8107 if(dwelltime && !(0x8000 & rchar)){
8108 dwelltime -= 10;
8109 mdelay(10);
8110 continue;
8111 }
8112 rbyte = 0xff & rchar;
8113
8114 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8115 OUT4500(ai,SWS1,0);
8116 return 0;
8117 }
8118 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8119 break;
8120 OUT4500(ai,SWS1,0);
8121
8122 }while(dwelltime > 0);
8123 return -EIO;
8124 }
8125
8126 /*
8127 * Transfer 32k of firmware data from user buffer to our buffer and
8128 * send to the card
8129 */
8130
8131 static int flashputbuf(struct airo_info *ai){
8132 int nwords;
8133
8134 /* Write stuff */
8135 if (test_bit(FLAG_MPI,&ai->flags))
8136 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8137 else {
8138 OUT4500(ai,AUXPAGE,0x100);
8139 OUT4500(ai,AUXOFF,0);
8140
8141 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8142 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8143 }
8144 }
8145 OUT4500(ai,SWS0,0x8000);
8146
8147 return 0;
8148 }
8149
8150 /*
8151 *
8152 */
8153 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8154 int i,status;
8155
8156 ssleep(1); /* Added 12/7/00 */
8157 clear_bit (FLAG_FLASHING, &ai->flags);
8158 if (test_bit(FLAG_MPI, &ai->flags)) {
8159 status = mpi_init_descriptors(ai);
8160 if (status != SUCCESS)
8161 return status;
8162 }
8163 status = setup_card(ai, dev->dev_addr, 1);
8164
8165 if (!test_bit(FLAG_MPI,&ai->flags))
8166 for( i = 0; i < MAX_FIDS; i++ ) {
8167 ai->fids[i] = transmit_allocate
8168 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8169 }
8170
8171 ssleep(1); /* Added 12/7/00 */
8172 return status;
8173 }
8174 #endif /* CISCO_EXT */
8175
8176 /*
8177 This program is free software; you can redistribute it and/or
8178 modify it under the terms of the GNU General Public License
8179 as published by the Free Software Foundation; either version 2
8180 of the License, or (at your option) any later version.
8181
8182 This program is distributed in the hope that it will be useful,
8183 but WITHOUT ANY WARRANTY; without even the implied warranty of
8184 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8185 GNU General Public License for more details.
8186
8187 In addition:
8188
8189 Redistribution and use in source and binary forms, with or without
8190 modification, are permitted provided that the following conditions
8191 are met:
8192
8193 1. Redistributions of source code must retain the above copyright
8194 notice, this list of conditions and the following disclaimer.
8195 2. Redistributions in binary form must reproduce the above copyright
8196 notice, this list of conditions and the following disclaimer in the
8197 documentation and/or other materials provided with the distribution.
8198 3. The name of the author may not be used to endorse or promote
8199 products derived from this software without specific prior written
8200 permission.
8201
8202 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8203 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8204 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8205 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8206 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8207 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8208 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8209 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8210 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8211 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8212 POSSIBILITY OF SUCH DAMAGE.
8213 */
8214
8215 module_init(airo_init_module);
8216 module_exit(airo_cleanup_module);
Linux with added FPC-III support