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1d05445d4ba397cb04545d1ba105e1040c864176
[deliverable/linux.git] / drivers / net / wireless / airo.c
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/system.h>
41 #include <asm/unaligned.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
52
53 #include <linux/ieee80211.h>
54 #include <net/iw_handler.h>
55
56 #include "airo.h"
57
58 #define DRV_NAME "airo"
59
60 #ifdef CONFIG_PCI
61 static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0, }
70 };
71 MODULE_DEVICE_TABLE(pci, card_ids);
72
73 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74 static void airo_pci_remove(struct pci_dev *);
75 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
76 static int airo_pci_resume(struct pci_dev *pdev);
77
78 static struct pci_driver airo_driver = {
79 .name = DRV_NAME,
80 .id_table = card_ids,
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
85 };
86 #endif /* CONFIG_PCI */
87
88 /* Include Wireless Extension definition and check version - Jean II */
89 #include <linux/wireless.h>
90 #define WIRELESS_SPY /* enable iwspy support */
91 #include <net/iw_handler.h> /* New driver API */
92
93 #define CISCO_EXT /* enable Cisco extensions */
94 #ifdef CISCO_EXT
95 #include <linux/delay.h>
96 #endif
97
98 /* Hack to do some power saving */
99 #define POWER_ON_DOWN
100
101 /* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
106
107 #define IGNLABEL(comment) NULL
108 static char *statsLabels[] = {
109 "RxOverrun",
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
113 "RxMacCrcErr",
114 "RxMacCrcOk",
115 "RxWepErr",
116 "RxWepOk",
117 "RetryLong",
118 "RetryShort",
119 "MaxRetries",
120 "NoAck",
121 "NoCts",
122 "RxAck",
123 "RxCts",
124 "TxAck",
125 "TxRts",
126 "TxCts",
127 "TxMc",
128 "TxBc",
129 "TxUcFrags",
130 "TxUcPackets",
131 "TxBeacon",
132 "RxBeacon",
133 "TxSinColl",
134 "TxMulColl",
135 "DefersNo",
136 "DefersProt",
137 "DefersEngy",
138 "DupFram",
139 "RxFragDisc",
140 "TxAged",
141 "RxAged",
142 "LostSync-MaxRetry",
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
145 "LostSync-Deauth",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
148 "HostTxMc",
149 "HostTxBc",
150 "HostTxUc",
151 "HostTxFail",
152 "HostRxMc",
153 "HostRxBc",
154 "HostRxUc",
155 "HostRxDiscard",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
165 "SsidMismatch",
166 "ApMismatch",
167 "RatesMismatch",
168 "AuthReject",
169 "AuthTimeout",
170 "AssocReject",
171 "AssocTimeout",
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
192 "RxMan",
193 "TxMan",
194 "RxRefresh",
195 "TxRefresh",
196 "RxPoll",
197 "TxPoll",
198 "HostRetries",
199 "LostSync-HostReq",
200 "HostTxBytes",
201 "HostRxBytes",
202 "ElapsedUsec",
203 "ElapsedSec",
204 "LostSyncBetterAP",
205 "PrivacyMismatch",
206 "Jammed",
207 "DiscRxNotWepped",
208 "PhyEleMismatch",
209 (char*)-1 };
210 #ifndef RUN_AT
211 #define RUN_AT(x) (jiffies+(x))
212 #endif
213
214
215 /* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
218
219 static int rates[8];
220 static int basic_rate;
221 static char *ssids[3];
222
223 static int io[4];
224 static int irq[4];
225
226 static
227 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
229
230 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
233 static int adhoc;
234
235 static int probe = 1;
236
237 static int proc_uid /* = 0 */;
238
239 static int proc_gid /* = 0 */;
240
241 static int airo_perm = 0555;
242
243 static int proc_perm = 0644;
244
245 MODULE_AUTHOR("Benjamin Reed");
246 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
247 cards. Direct support for ISA/PCI/MPI cards and support \
248 for PCMCIA when used with airo_cs.");
249 MODULE_LICENSE("Dual BSD/GPL");
250 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
251 module_param_array(io, int, NULL, 0);
252 module_param_array(irq, int, NULL, 0);
253 module_param(basic_rate, int, 0);
254 module_param_array(rates, int, NULL, 0);
255 module_param_array(ssids, charp, NULL, 0);
256 module_param(auto_wep, int, 0);
257 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
258 the authentication options until an association is made. The value of \
259 auto_wep is number of the wep keys to check. A value of 2 will try using \
260 the key at index 0 and index 1.");
261 module_param(aux_bap, int, 0);
262 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
263 than seems to work better for older cards with some older buses. Before \
264 switching it checks that the switch is needed.");
265 module_param(maxencrypt, int, 0);
266 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
267 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
268 Older cards used to be limited to 2mbs (4).");
269 module_param(adhoc, int, 0);
270 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271 module_param(probe, int, 0);
272 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273
274 module_param(proc_uid, int, 0);
275 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276 module_param(proc_gid, int, 0);
277 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278 module_param(airo_perm, int, 0);
279 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280 module_param(proc_perm, int, 0);
281 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282
283 /* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
286 static int do8bitIO /* = 0 */;
287
288 /* Return codes */
289 #define SUCCESS 0
290 #define ERROR -1
291 #define NO_PACKET -2
292
293 /* Commands */
294 #define NOP2 0x0000
295 #define MAC_ENABLE 0x0001
296 #define MAC_DISABLE 0x0002
297 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298 #define CMD_SOFTRESET 0x0004
299 #define HOSTSLEEP 0x0005
300 #define CMD_MAGIC_PKT 0x0006
301 #define CMD_SETWAKEMASK 0x0007
302 #define CMD_READCFG 0x0008
303 #define CMD_SETMODE 0x0009
304 #define CMD_ALLOCATETX 0x000a
305 #define CMD_TRANSMIT 0x000b
306 #define CMD_DEALLOCATETX 0x000c
307 #define NOP 0x0010
308 #define CMD_WORKAROUND 0x0011
309 #define CMD_ALLOCATEAUX 0x0020
310 #define CMD_ACCESS 0x0021
311 #define CMD_PCIBAP 0x0022
312 #define CMD_PCIAUX 0x0023
313 #define CMD_ALLOCBUF 0x0028
314 #define CMD_GETTLV 0x0029
315 #define CMD_PUTTLV 0x002a
316 #define CMD_DELTLV 0x002b
317 #define CMD_FINDNEXTTLV 0x002c
318 #define CMD_PSPNODES 0x0030
319 #define CMD_SETCW 0x0031
320 #define CMD_SETPCF 0x0032
321 #define CMD_SETPHYREG 0x003e
322 #define CMD_TXTEST 0x003f
323 #define MAC_ENABLETX 0x0101
324 #define CMD_LISTBSS 0x0103
325 #define CMD_SAVECFG 0x0108
326 #define CMD_ENABLEAUX 0x0111
327 #define CMD_WRITERID 0x0121
328 #define CMD_USEPSPNODES 0x0130
329 #define MAC_ENABLERX 0x0201
330
331 /* Command errors */
332 #define ERROR_QUALIF 0x00
333 #define ERROR_ILLCMD 0x01
334 #define ERROR_ILLFMT 0x02
335 #define ERROR_INVFID 0x03
336 #define ERROR_INVRID 0x04
337 #define ERROR_LARGE 0x05
338 #define ERROR_NDISABL 0x06
339 #define ERROR_ALLOCBSY 0x07
340 #define ERROR_NORD 0x0B
341 #define ERROR_NOWR 0x0C
342 #define ERROR_INVFIDTX 0x0D
343 #define ERROR_TESTACT 0x0E
344 #define ERROR_TAGNFND 0x12
345 #define ERROR_DECODE 0x20
346 #define ERROR_DESCUNAV 0x21
347 #define ERROR_BADLEN 0x22
348 #define ERROR_MODE 0x80
349 #define ERROR_HOP 0x81
350 #define ERROR_BINTER 0x82
351 #define ERROR_RXMODE 0x83
352 #define ERROR_MACADDR 0x84
353 #define ERROR_RATES 0x85
354 #define ERROR_ORDER 0x86
355 #define ERROR_SCAN 0x87
356 #define ERROR_AUTH 0x88
357 #define ERROR_PSMODE 0x89
358 #define ERROR_RTYPE 0x8A
359 #define ERROR_DIVER 0x8B
360 #define ERROR_SSID 0x8C
361 #define ERROR_APLIST 0x8D
362 #define ERROR_AUTOWAKE 0x8E
363 #define ERROR_LEAP 0x8F
364
365 /* Registers */
366 #define COMMAND 0x00
367 #define PARAM0 0x02
368 #define PARAM1 0x04
369 #define PARAM2 0x06
370 #define STATUS 0x08
371 #define RESP0 0x0a
372 #define RESP1 0x0c
373 #define RESP2 0x0e
374 #define LINKSTAT 0x10
375 #define SELECT0 0x18
376 #define OFFSET0 0x1c
377 #define RXFID 0x20
378 #define TXALLOCFID 0x22
379 #define TXCOMPLFID 0x24
380 #define DATA0 0x36
381 #define EVSTAT 0x30
382 #define EVINTEN 0x32
383 #define EVACK 0x34
384 #define SWS0 0x28
385 #define SWS1 0x2a
386 #define SWS2 0x2c
387 #define SWS3 0x2e
388 #define AUXPAGE 0x3A
389 #define AUXOFF 0x3C
390 #define AUXDATA 0x3E
391
392 #define FID_TX 1
393 #define FID_RX 2
394 /* Offset into aux memory for descriptors */
395 #define AUX_OFFSET 0x800
396 /* Size of allocated packets */
397 #define PKTSIZE 1840
398 #define RIDSIZE 2048
399 /* Size of the transmit queue */
400 #define MAXTXQ 64
401
402 /* BAP selectors */
403 #define BAP0 0 /* Used for receiving packets */
404 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
405
406 /* Flags */
407 #define COMMAND_BUSY 0x8000
408
409 #define BAP_BUSY 0x8000
410 #define BAP_ERR 0x4000
411 #define BAP_DONE 0x2000
412
413 #define PROMISC 0xffff
414 #define NOPROMISC 0x0000
415
416 #define EV_CMD 0x10
417 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_RX 0x01
419 #define EV_TX 0x02
420 #define EV_TXEXC 0x04
421 #define EV_ALLOC 0x08
422 #define EV_LINK 0x80
423 #define EV_AWAKE 0x100
424 #define EV_TXCPY 0x400
425 #define EV_UNKNOWN 0x800
426 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427 #define EV_AWAKEN 0x2000
428 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429
430 #ifdef CHECK_UNKNOWN_INTS
431 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432 #else
433 #define IGNORE_INTS (~STATUS_INTS)
434 #endif
435
436 /* RID TYPES */
437 #define RID_RW 0x20
438
439 /* The RIDs */
440 #define RID_CAPABILITIES 0xFF00
441 #define RID_APINFO 0xFF01
442 #define RID_RADIOINFO 0xFF02
443 #define RID_UNKNOWN3 0xFF03
444 #define RID_RSSI 0xFF04
445 #define RID_CONFIG 0xFF10
446 #define RID_SSID 0xFF11
447 #define RID_APLIST 0xFF12
448 #define RID_DRVNAME 0xFF13
449 #define RID_ETHERENCAP 0xFF14
450 #define RID_WEP_TEMP 0xFF15
451 #define RID_WEP_PERM 0xFF16
452 #define RID_MODULATION 0xFF17
453 #define RID_OPTIONS 0xFF18
454 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455 #define RID_FACTORYCONFIG 0xFF21
456 #define RID_UNKNOWN22 0xFF22
457 #define RID_LEAPUSERNAME 0xFF23
458 #define RID_LEAPPASSWORD 0xFF24
459 #define RID_STATUS 0xFF50
460 #define RID_BEACON_HST 0xFF51
461 #define RID_BUSY_HST 0xFF52
462 #define RID_RETRIES_HST 0xFF53
463 #define RID_UNKNOWN54 0xFF54
464 #define RID_UNKNOWN55 0xFF55
465 #define RID_UNKNOWN56 0xFF56
466 #define RID_MIC 0xFF57
467 #define RID_STATS16 0xFF60
468 #define RID_STATS16DELTA 0xFF61
469 #define RID_STATS16DELTACLEAR 0xFF62
470 #define RID_STATS 0xFF68
471 #define RID_STATSDELTA 0xFF69
472 #define RID_STATSDELTACLEAR 0xFF6A
473 #define RID_ECHOTEST_RID 0xFF70
474 #define RID_ECHOTEST_RESULTS 0xFF71
475 #define RID_BSSLISTFIRST 0xFF72
476 #define RID_BSSLISTNEXT 0xFF73
477 #define RID_WPA_BSSLISTFIRST 0xFF74
478 #define RID_WPA_BSSLISTNEXT 0xFF75
479
480 typedef struct {
481 u16 cmd;
482 u16 parm0;
483 u16 parm1;
484 u16 parm2;
485 } Cmd;
486
487 typedef struct {
488 u16 status;
489 u16 rsp0;
490 u16 rsp1;
491 u16 rsp2;
492 } Resp;
493
494 /*
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
498 */
499
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502 typedef struct WepKeyRid WepKeyRid;
503 struct WepKeyRid {
504 __le16 len;
505 __le16 kindex;
506 u8 mac[ETH_ALEN];
507 __le16 klen;
508 u8 key[16];
509 } __packed;
510
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct Ssid Ssid;
513 struct Ssid {
514 __le16 len;
515 u8 ssid[32];
516 } __packed;
517
518 typedef struct SsidRid SsidRid;
519 struct SsidRid {
520 __le16 len;
521 Ssid ssids[3];
522 } __packed;
523
524 typedef struct ModulationRid ModulationRid;
525 struct ModulationRid {
526 __le16 len;
527 __le16 modulation;
528 #define MOD_DEFAULT cpu_to_le16(0)
529 #define MOD_CCK cpu_to_le16(1)
530 #define MOD_MOK cpu_to_le16(2)
531 } __packed;
532
533 typedef struct ConfigRid ConfigRid;
534 struct ConfigRid {
535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537 #define MODE_STA_IBSS cpu_to_le16(0)
538 #define MODE_STA_ESS cpu_to_le16(1)
539 #define MODE_AP cpu_to_le16(2)
540 #define MODE_AP_RPTR cpu_to_le16(3)
541 #define MODE_CFG_MASK cpu_to_le16(0xff)
542 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558 #define RXMODE_MASK cpu_to_le16(255)
559 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
562 __le16 fragThresh;
563 __le16 rtsThres;
564 u8 macAddr[ETH_ALEN];
565 u8 rates[8];
566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
570 __le16 stationary;
571 __le16 ordering;
572 __le16 u16deviceType; /* for overriding device type */
573 __le16 cfpRate;
574 __le16 cfpDuration;
575 __le16 _reserved1[3];
576 /*---------- Scanning/Associating ----------*/
577 __le16 scanMode;
578 #define SCANMODE_ACTIVE cpu_to_le16(0)
579 #define SCANMODE_PASSIVE cpu_to_le16(1)
580 #define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
586 __le16 authTimeout;
587 __le16 authType;
588 #define AUTH_OPEN cpu_to_le16(0x1)
589 #define AUTH_ENCRYPT cpu_to_le16(0x101)
590 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
591 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
601 /*---------- Power save operation ----------*/
602 __le16 powerSaveMode;
603 #define POWERSAVE_CAM cpu_to_le16(0)
604 #define POWERSAVE_PSP cpu_to_le16(1)
605 #define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
609 __le16 listenDecay;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
612 /*---------- Ap/Ibss config items ----------*/
613 __le16 beaconPeriod;
614 __le16 atimDuration;
615 __le16 hopPeriod;
616 __le16 channelSet;
617 __le16 channel;
618 __le16 dtimPeriod;
619 __le16 bridgeDistance;
620 __le16 radioID;
621 /*---------- Radio configuration ----------*/
622 __le16 radioType;
623 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
624 #define RADIOTYPE_802_11 cpu_to_le16(1)
625 #define RADIOTYPE_LEGACY cpu_to_le16(2)
626 u8 rxDiversity;
627 u8 txDiversity;
628 __le16 txPower;
629 #define TXPOWER_DEFAULT 0
630 __le16 rssiThreshold;
631 #define RSSI_DEFAULT 0
632 __le16 modulation;
633 #define PREAMBLE_AUTO cpu_to_le16(0)
634 #define PREAMBLE_LONG cpu_to_le16(1)
635 #define PREAMBLE_SHORT cpu_to_le16(2)
636 __le16 preamble;
637 __le16 homeProduct;
638 __le16 radioSpecific;
639 /*---------- Aironet Extensions ----------*/
640 u8 nodeName[16];
641 __le16 arlThreshold;
642 __le16 arlDecay;
643 __le16 arlDelay;
644 __le16 _reserved4[1];
645 /*---------- Aironet Extensions ----------*/
646 u8 magicAction;
647 #define MAGIC_ACTION_STSCHG 1
648 #define MAGIC_ACTION_RESUME 2
649 #define MAGIC_IGNORE_MCAST (1<<8)
650 #define MAGIC_IGNORE_BCAST (1<<9)
651 #define MAGIC_SWITCH_TO_PSP (0<<10)
652 #define MAGIC_STAY_IN_CAM (1<<10)
653 u8 magicControl;
654 __le16 autoWake;
655 } __packed;
656
657 typedef struct StatusRid StatusRid;
658 struct StatusRid {
659 __le16 len;
660 u8 mac[ETH_ALEN];
661 __le16 mode;
662 __le16 errorCode;
663 __le16 sigQuality;
664 __le16 SSIDlen;
665 char SSID[32];
666 char apName[16];
667 u8 bssid[4][ETH_ALEN];
668 __le16 beaconPeriod;
669 __le16 dimPeriod;
670 __le16 atimDuration;
671 __le16 hopPeriod;
672 __le16 channelSet;
673 __le16 channel;
674 __le16 hopsToBackbone;
675 __le16 apTotalLoad;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
683 u8 apIP[4];
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
690 __le16 load;
691 u8 carrier[4];
692 __le16 assocStatus;
693 #define STAT_NOPACKETS 0
694 #define STAT_NOCARRIERSET 10
695 #define STAT_GOTCARRIERSET 11
696 #define STAT_WRONGSSID 20
697 #define STAT_BADCHANNEL 25
698 #define STAT_BADBITRATES 30
699 #define STAT_BADPRIVACY 35
700 #define STAT_APFOUND 40
701 #define STAT_APREJECTED 50
702 #define STAT_AUTHENTICATING 60
703 #define STAT_DEAUTHENTICATED 61
704 #define STAT_AUTHTIMEOUT 62
705 #define STAT_ASSOCIATING 70
706 #define STAT_DEASSOCIATED 71
707 #define STAT_ASSOCTIMEOUT 72
708 #define STAT_NOTAIROAP 73
709 #define STAT_ASSOCIATED 80
710 #define STAT_LEAPING 90
711 #define STAT_LEAPFAILED 91
712 #define STAT_LEAPTIMEDOUT 92
713 #define STAT_LEAPCOMPLETE 93
714 } __packed;
715
716 typedef struct StatsRid StatsRid;
717 struct StatsRid {
718 __le16 len;
719 __le16 spacer;
720 __le32 vals[100];
721 } __packed;
722
723 typedef struct APListRid APListRid;
724 struct APListRid {
725 __le16 len;
726 u8 ap[4][ETH_ALEN];
727 } __packed;
728
729 typedef struct CapabilityRid CapabilityRid;
730 struct CapabilityRid {
731 __le16 len;
732 char oui[3];
733 char zero;
734 __le16 prodNum;
735 char manName[32];
736 char prodName[16];
737 char prodVer[8];
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
740 __le16 radioType;
741 __le16 country;
742 char callid[ETH_ALEN];
743 char supportedRates[8];
744 char rxDiversity;
745 char txDiversity;
746 __le16 txPowerLevels[8];
747 __le16 hardVer;
748 __le16 hardCap;
749 __le16 tempRange;
750 __le16 softVer;
751 __le16 softSubVer;
752 __le16 interfaceVer;
753 __le16 softCap;
754 __le16 bootBlockVer;
755 __le16 requiredHard;
756 __le16 extSoftCap;
757 } __packed;
758
759 /* Only present on firmware >= 5.30.17 */
760 typedef struct BSSListRidExtra BSSListRidExtra;
761 struct BSSListRidExtra {
762 __le16 unknown[4];
763 u8 fixed[12]; /* WLAN management frame */
764 u8 iep[624];
765 } __packed;
766
767 typedef struct BSSListRid BSSListRid;
768 struct BSSListRid {
769 __le16 len;
770 __le16 index; /* First is 0 and 0xffff means end of list */
771 #define RADIO_FH 1 /* Frequency hopping radio type */
772 #define RADIO_DS 2 /* Direct sequence radio type */
773 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
774 __le16 radioType;
775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
776 u8 zero;
777 u8 ssidLen;
778 u8 ssid[32];
779 __le16 dBm;
780 #define CAP_ESS cpu_to_le16(1<<0)
781 #define CAP_IBSS cpu_to_le16(1<<1)
782 #define CAP_PRIVACY cpu_to_le16(1<<4)
783 #define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 cap;
785 __le16 beaconInterval;
786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
788 __le16 dwell;
789 u8 hopSet;
790 u8 hopPattern;
791 u8 hopIndex;
792 u8 fill;
793 } fh;
794 __le16 dsChannel;
795 __le16 atimWindow;
796
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
799 } __packed;
800
801 typedef struct {
802 BSSListRid bss;
803 struct list_head list;
804 } BSSListElement;
805
806 typedef struct tdsRssiEntry tdsRssiEntry;
807 struct tdsRssiEntry {
808 u8 rssipct;
809 u8 rssidBm;
810 } __packed;
811
812 typedef struct tdsRssiRid tdsRssiRid;
813 struct tdsRssiRid {
814 u16 len;
815 tdsRssiEntry x[256];
816 } __packed;
817
818 typedef struct MICRid MICRid;
819 struct MICRid {
820 __le16 len;
821 __le16 state;
822 __le16 multicastValid;
823 u8 multicast[16];
824 __le16 unicastValid;
825 u8 unicast[16];
826 } __packed;
827
828 typedef struct MICBuffer MICBuffer;
829 struct MICBuffer {
830 __be16 typelen;
831
832 union {
833 u8 snap[8];
834 struct {
835 u8 dsap;
836 u8 ssap;
837 u8 control;
838 u8 orgcode[3];
839 u8 fieldtype[2];
840 } llc;
841 } u;
842 __be32 mic;
843 __be32 seq;
844 } __packed;
845
846 typedef struct {
847 u8 da[ETH_ALEN];
848 u8 sa[ETH_ALEN];
849 } etherHead;
850
851 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
852 #define TXCTL_TXEX (1<<2) /* report if tx fails */
853 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
854 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856 #define TXCTL_LLC (1<<4) /* payload is llc */
857 #define TXCTL_RELEASE (0<<5) /* release after completion */
858 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859
860 #define BUSY_FID 0x10000
861
862 #ifdef CISCO_EXT
863 #define AIROMAGIC 0xa55a
864 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865 #ifdef SIOCIWFIRSTPRIV
866 #ifdef SIOCDEVPRIVATE
867 #define AIROOLDIOCTL SIOCDEVPRIVATE
868 #define AIROOLDIDIFC AIROOLDIOCTL + 1
869 #endif /* SIOCDEVPRIVATE */
870 #else /* SIOCIWFIRSTPRIV */
871 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872 #endif /* SIOCIWFIRSTPRIV */
873 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877 #define AIROIOCTL SIOCIWFIRSTPRIV
878 #define AIROIDIFC AIROIOCTL + 1
879
880 /* Ioctl constants to be used in airo_ioctl.command */
881
882 #define AIROGCAP 0 // Capability rid
883 #define AIROGCFG 1 // USED A LOT
884 #define AIROGSLIST 2 // System ID list
885 #define AIROGVLIST 3 // List of specified AP's
886 #define AIROGDRVNAM 4 // NOTUSED
887 #define AIROGEHTENC 5 // NOTUSED
888 #define AIROGWEPKTMP 6
889 #define AIROGWEPKNV 7
890 #define AIROGSTAT 8
891 #define AIROGSTATSC32 9
892 #define AIROGSTATSD32 10
893 #define AIROGMICRID 11
894 #define AIROGMICSTATS 12
895 #define AIROGFLAGS 13
896 #define AIROGID 14
897 #define AIRORRID 15
898 #define AIRORSWVERSION 17
899
900 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
901
902 #define AIROPCAP AIROGSTATSD32 + 40
903 #define AIROPVLIST AIROPCAP + 1
904 #define AIROPSLIST AIROPVLIST + 1
905 #define AIROPCFG AIROPSLIST + 1
906 #define AIROPSIDS AIROPCFG + 1
907 #define AIROPAPLIST AIROPSIDS + 1
908 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910 #define AIROPSTCLR AIROPMACOFF + 1
911 #define AIROPWEPKEY AIROPSTCLR + 1
912 #define AIROPWEPKEYNV AIROPWEPKEY + 1
913 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
914 #define AIROPLEAPUSR AIROPLEAPPWD + 1
915
916 /* Flash codes */
917
918 #define AIROFLSHRST AIROPWEPKEYNV + 40
919 #define AIROFLSHGCHR AIROFLSHRST + 1
920 #define AIROFLSHSTFL AIROFLSHGCHR + 1
921 #define AIROFLSHPCHR AIROFLSHSTFL + 1
922 #define AIROFLPUTBUF AIROFLSHPCHR + 1
923 #define AIRORESTART AIROFLPUTBUF + 1
924
925 #define FLASHSIZE 32768
926 #define AUXMEMSIZE (256 * 1024)
927
928 typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
933 } aironet_ioctl;
934
935 static char swversion[] = "2.1";
936 #endif /* CISCO_EXT */
937
938 #define NUM_MODULES 2
939 #define MIC_MSGLEN_MAX 2400
940 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
941 #define AIRO_DEF_MTU 2312
942
943 typedef struct {
944 u32 size; // size
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
951 u32 reserve[32];
952 } mic_statistics;
953
954 typedef struct {
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
958 union {
959 u8 d8[4];
960 __be32 d32;
961 } part; // saves partial message word across update() calls
962 } emmh32_context;
963
964 typedef struct {
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
970 u8 key[16];
971 } miccntx;
972
973 typedef struct {
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
976 } mic_module;
977
978 typedef struct {
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983 } Rid;
984
985 typedef struct {
986 unsigned int offset: 15;
987 unsigned int eoc: 1;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
991 } TxFid;
992
993 struct rx_hdr {
994 __le16 status, len;
995 u8 rssi[2];
996 u8 rate;
997 u8 freq;
998 __le16 tmp[4];
999 } __packed;
1000
1001 typedef struct {
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1007 } RxFid;
1008
1009 /*
1010 * Host receive descriptor
1011 */
1012 typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 desc */
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 int pending;
1019 } HostRxDesc;
1020
1021 /*
1022 * Host transmit descriptor
1023 */
1024 typedef struct {
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 desc */
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1029 buffer */
1030 int pending;
1031 } HostTxDesc;
1032
1033 /*
1034 * Host RID descriptor
1035 */
1036 typedef struct {
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 descriptor */
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1041 buffer */
1042 } HostRidDesc;
1043
1044 typedef struct {
1045 u16 sw0;
1046 u16 sw1;
1047 u16 status;
1048 u16 len;
1049 #define HOST_SET (1 << 0)
1050 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056 #define HOST_RTS (1 << 9) /* Force RTS use */
1057 #define HOST_SHORT (1 << 10) /* Do short preamble */
1058 u16 ctl;
1059 u16 aid;
1060 u16 retries;
1061 u16 fill;
1062 } TxCtlHdr;
1063
1064 typedef struct {
1065 u16 ctl;
1066 u16 duration;
1067 char addr1[6];
1068 char addr2[6];
1069 char addr3[6];
1070 u16 seq;
1071 char addr4[6];
1072 } WifiHdr;
1073
1074
1075 typedef struct {
1076 TxCtlHdr ctlhdr;
1077 u16 fill1;
1078 u16 fill2;
1079 WifiHdr wifihdr;
1080 u16 gaplen;
1081 u16 status;
1082 } WifiCtlHdr;
1083
1084 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctlhdr = {
1086 .ctl = HOST_DONT_RLSE,
1087 }
1088 };
1089
1090 // A few details needed for WEP (Wireless Equivalent Privacy)
1091 #define MAX_KEY_SIZE 13 // 128 (?) bits
1092 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093 typedef struct wep_key_t {
1094 u16 len;
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1096 } wep_key_t;
1097
1098 /* List of Wireless Handlers (new API) */
1099 static const struct iw_handler_def airo_handler_def;
1100
1101 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1102
1103 struct airo_info;
1104
1105 static int get_dec_u16( char *buffer, int *start, int limit );
1106 static void OUT4500( struct airo_info *, u16 register, u16 value );
1107 static unsigned short IN4500( struct airo_info *, u16 register );
1108 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1109 static int enable_MAC(struct airo_info *ai, int lock);
1110 static void disable_MAC(struct airo_info *ai, int lock);
1111 static void enable_interrupts(struct airo_info*);
1112 static void disable_interrupts(struct airo_info*);
1113 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1115 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 int whichbap);
1117 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 int whichbap);
1119 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 int whichbap);
1121 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130
1131 static int mpi_send_packet (struct net_device *dev);
1132 static void mpi_unmap_card(struct pci_dev *pci);
1133 static void mpi_receive_802_3(struct airo_info *ai);
1134 static void mpi_receive_802_11(struct airo_info *ai);
1135 static int waitbusy (struct airo_info *ai);
1136
1137 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1138 static int airo_thread(void *data);
1139 static void timer_func( struct net_device *dev );
1140 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1141 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1142 static void airo_read_wireless_stats (struct airo_info *local);
1143 #ifdef CISCO_EXT
1144 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1146 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1147 #endif /* CISCO_EXT */
1148 static void micinit(struct airo_info *ai);
1149 static int micsetup(struct airo_info *ai);
1150 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152
1153 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155
1156 static void airo_networks_free(struct airo_info *ai);
1157
1158 struct airo_info {
1159 struct net_device *dev;
1160 struct list_head dev_list;
1161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1163 #define MAX_FIDS 6
1164 #define MPI_MAX_FIDS 1
1165 u32 fids[MAX_FIDS];
1166 ConfigRid config;
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
1171 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173 #define FLAG_RADIO_MASK 0x03
1174 #define FLAG_ENABLED 2
1175 #define FLAG_ADHOC 3 /* Needed by MIC */
1176 #define FLAG_MIC_CAPABLE 4
1177 #define FLAG_UPDATE_MULTI 5
1178 #define FLAG_UPDATE_UNI 6
1179 #define FLAG_802_11 7
1180 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1181 #define FLAG_PENDING_XMIT 9
1182 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_MPI 11
1184 #define FLAG_REGISTERED 12
1185 #define FLAG_COMMIT 13
1186 #define FLAG_RESET 14
1187 #define FLAG_FLASHING 15
1188 #define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1190 #define JOB_DIE 0
1191 #define JOB_XMIT 1
1192 #define JOB_XMIT11 2
1193 #define JOB_STATS 3
1194 #define JOB_PROMISC 4
1195 #define JOB_MIC 5
1196 #define JOB_EVENT 6
1197 #define JOB_AUTOWEP 7
1198 #define JOB_WSTATS 8
1199 #define JOB_SCAN_RESULTS 9
1200 unsigned long jobs;
1201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 int whichbap);
1203 unsigned short *flash;
1204 tdsRssiEntry *rssi;
1205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
1207 struct semaphore sem;
1208 wait_queue_head_t thr_wait;
1209 unsigned long expires;
1210 struct {
1211 struct sk_buff *skb;
1212 int fid;
1213 } xmit, xmit11;
1214 struct net_device *wifidev;
1215 struct iw_statistics wstats; // wireless stats
1216 unsigned long scan_timeout; /* Time scan should be read */
1217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
1219 /* MIC stuff */
1220 struct crypto_cipher *tfm;
1221 mic_module mod[2];
1222 mic_statistics micstats;
1223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
1233 pm_message_t power;
1234 SsidRid *SSID;
1235 APListRid *APList;
1236 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
1238
1239 int wep_capable;
1240 int max_wep_idx;
1241
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1246
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1250 };
1251
1252 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1254 {
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1256 }
1257
1258 static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260 static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1262
1263 static int cmdreset(struct airo_info *ai);
1264 static int setflashmode (struct airo_info *ai);
1265 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266 static int flashputbuf(struct airo_info *ai);
1267 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268
1269 #define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1271
1272 #define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1274
1275 #define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1277
1278 #define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1280
1281 #define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1283
1284 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1285
1286 /***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1289 */
1290
1291 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292 static void MoveWindow(miccntx *context, u32 micSeq);
1293 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295 static void emmh32_init(emmh32_context *context);
1296 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1299
1300 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1302 {
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1305 */
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1308
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1311
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1318
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1321 }
1322
1323 /* micinit - Initialize mic seed */
1324
1325 static void micinit(struct airo_info *ai)
1326 {
1327 MICRid mic_rid;
1328
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1332
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1337 */
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1340 return;
1341 }
1342
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1347 }
1348
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
1353 }
1354 }
1355
1356 /* micsetup - Get ready for business */
1357
1358 static int micsetup(struct airo_info *ai) {
1359 int i;
1360
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1363
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1366 ai->tfm = NULL;
1367 return ERROR;
1368 }
1369
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1373 }
1374 return SUCCESS;
1375 }
1376
1377 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1378
1379 /*===========================================================================
1380 * Description: Mic a packet
1381 *
1382 * Inputs: etherHead * pointer to an 802.3 frame
1383 *
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1386 *
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1390 *
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1393 */
1394
1395 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1396 {
1397 miccntx *context;
1398
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1401
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1404 else
1405 context = &ai->mod[0].uCtx;
1406
1407 if (!context->valid)
1408 return ERROR;
1409
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1413
1414 // Add Tx sequence
1415 mic->seq = htonl(context->tx);
1416 context->tx += 2;
1417
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1424
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 return SUCCESS;
1428 }
1429
1430 typedef enum {
1431 NONE,
1432 NOMIC,
1433 NOMICPLUMMED,
1434 SEQUENCE,
1435 INCORRECTMIC,
1436 } mic_error;
1437
1438 /*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1441 *
1442 * Inputs: etherHead pointer to the 802.3 packet
1443 *
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 *
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1449 */
1450
1451 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1452 {
1453 int i;
1454 u32 micSEQ;
1455 miccntx *context;
1456 u8 digest[4];
1457 mic_error micError = NONE;
1458
1459 // Check if the packet is a Mic'd packet
1460
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467 return SUCCESS;
1468 }
1469
1470 if (ntohs(mic->typelen) == 0x888E)
1471 return SUCCESS;
1472
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1476 return ERROR;
1477 }
1478
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1483
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1487 return ERROR;
1488 }
1489
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494
1495 //Make sure context is valid
1496 if (!context->valid) {
1497 if (i == 0)
1498 micError = NOMICPLUMMED;
1499 continue;
1500 }
1501 //DeMic it
1502
1503 if (!mic->typelen)
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 //Calculate MIC
1512 emmh32_final(&context->seed, digest);
1513
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1515 //Invalid Mic
1516 if (i == 0)
1517 micError = INCORRECTMIC;
1518 continue;
1519 }
1520
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1524 return SUCCESS;
1525 }
1526 if (i == 0)
1527 micError = SEQUENCE;
1528 }
1529
1530 // Update statistics
1531 switch (micError) {
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 case NONE: break;
1536 case NOMIC: break;
1537 }
1538 return ERROR;
1539 }
1540
1541 /*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1544 *
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1547 *
1548 * Returns: TRUE if valid otherwise FALSE.
1549 *
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1553 */
1554
1555 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1556 {
1557 u32 seq,index;
1558
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1561
1562 if (mcast) {
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1567 }
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1572 }
1573
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1576
1577 //Too old of a SEQ number to check.
1578 if ((s32)seq < 0)
1579 return ERROR;
1580
1581 if ( seq > 64 ) {
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1584 return SUCCESS;
1585 }
1586
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1590
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1595
1596 MoveWindow(context,micSeq);
1597
1598 return SUCCESS;
1599 }
1600 return ERROR;
1601 }
1602
1603 static void MoveWindow(miccntx *context, u32 micSeq)
1604 {
1605 u32 shift;
1606
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1610
1611 //Shift out old
1612 if (shift < 32)
1613 context->rx >>= shift;
1614 else
1615 context->rx = 0;
1616
1617 context->window = micSeq; //Move window
1618 }
1619 }
1620
1621 /*==============================================*/
1622 /*========== EMMH ROUTINES ====================*/
1623 /*==============================================*/
1624
1625 /* mic accumulate */
1626 #define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628
1629 static unsigned char aes_counter[16];
1630
1631 /* expand the key to fill the MMH coefficient array */
1632 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1634 {
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1637
1638 int i,j;
1639 u32 counter;
1640 u8 *cipher, plain[16];
1641
1642 crypto_cipher_setkey(tfm, pkey, 16);
1643 counter = 0;
1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1649 counter++;
1650 memcpy (plain, aes_counter, 16);
1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 cipher = plain;
1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1655 j += 4;
1656 }
1657 }
1658 }
1659
1660 /* prepare for calculation of a new mic */
1661 static void emmh32_init(emmh32_context *context)
1662 {
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1666 }
1667
1668 /* add some bytes to the mic calculation */
1669 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1670 {
1671 int coeff_position, byte_position;
1672
1673 if (len == 0) return;
1674
1675 coeff_position = context->position >> 2;
1676
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1688 }
1689
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1696 }
1697
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1704 }
1705 }
1706
1707 /* mask used to zero empty bytes for final partial word */
1708 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709
1710 /* calculate the mic */
1711 static void emmh32_final(emmh32_context *context, u8 digest[4])
1712 {
1713 int coeff_position, byte_position;
1714 u32 val;
1715
1716 u64 sum, utmp;
1717 s64 stmp;
1718
1719 coeff_position = context->position >> 2;
1720
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1727 }
1728
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1736
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1742 }
1743
1744 static int readBSSListRid(struct airo_info *ai, int first,
1745 BSSListRid *list)
1746 {
1747 Cmd cmd;
1748 Resp rsp;
1749
1750 if (first == 1) {
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1762 }
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1765 }
1766
1767 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768 {
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1771 }
1772
1773 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1774 {
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 if (perm) {
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1783 }
1784 return rc;
1785 }
1786
1787 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788 {
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1790 }
1791
1792 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793 {
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1795 }
1796
1797 static int readConfigRid(struct airo_info *ai, int lock)
1798 {
1799 int rc;
1800 ConfigRid cfg;
1801
1802 if (ai->config.len)
1803 return SUCCESS;
1804
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1808
1809 ai->config = cfg;
1810 return SUCCESS;
1811 }
1812
1813 static inline void checkThrottle(struct airo_info *ai)
1814 {
1815 int i;
1816 /* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1821 }
1822 }
1823 }
1824 }
1825
1826 static int writeConfigRid(struct airo_info *ai, int lock)
1827 {
1828 ConfigRid cfgr;
1829
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1832
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1837
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1842
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1844 }
1845
1846 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847 {
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1849 }
1850
1851 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852 {
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1854 }
1855
1856 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857 {
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1859 }
1860
1861 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862 {
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1864 }
1865
1866 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867 {
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1869 }
1870
1871 static void try_auto_wep(struct airo_info *ai)
1872 {
1873 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1876 }
1877 }
1878
1879 static int airo_open(struct net_device *dev) {
1880 struct airo_info *ai = dev->ml_priv;
1881 int rc = 0;
1882
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1884 return -EIO;
1885
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet commited, do it now - Jean II */
1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 disable_MAC(ai, 1);
1892 writeConfigRid(ai, 1);
1893 }
1894
1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1900
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 dev->name, dev);
1903 if (rc) {
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1906 dev->irq, rc);
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1909 return rc;
1910 }
1911
1912 /* Power on the MAC controller (which may have been disabled) */
1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1915
1916 try_auto_wep(ai);
1917 }
1918 enable_MAC(ai, 1);
1919
1920 netif_start_queue(dev);
1921 return 0;
1922 }
1923
1924 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1926 {
1927 int npacks, pending;
1928 unsigned long flags;
1929 struct airo_info *ai = dev->ml_priv;
1930
1931 if (!skb) {
1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1933 return NETDEV_TX_OK;
1934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1942 }
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
1945 }
1946
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1952
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1956 }
1957 return NETDEV_TX_OK;
1958 }
1959
1960 /*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967 static int mpi_send_packet (struct net_device *dev)
1968 {
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1971 s16 len;
1972 __le16 *payloadLen;
1973 struct airo_info *ai = dev->ml_priv;
1974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1981 __func__);
1982 return 0;
1983 }
1984
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1988
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994 /*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediatly after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy((char *)ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
2011 * Firmware automaticly puts 802 header on so
2012 * we don't need to account for it in the length
2013 */
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2016 MICBuffer pMic;
2017
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2020
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030 } else {
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033 dev->trans_start = jiffies;
2034
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2037 }
2038
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042 OUT4500(ai, EVACK, 8);
2043
2044 dev_kfree_skb_any(skb);
2045 return 1;
2046 }
2047
2048 static void get_tx_error(struct airo_info *ai, s32 fid)
2049 {
2050 __le16 status;
2051
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2058 }
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 { }
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2077
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2082
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 }
2097 }
2098
2099 static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
2107 clear_bit(JOB_XMIT, &priv->jobs);
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2111
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
2118 dev->stats.tx_window_errors++;
2119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123 }
2124
2125 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127 {
2128 s16 len;
2129 int i, j;
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
2136 }
2137
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2144
2145 if (i == MAX_FIDS / 2) {
2146 dev->stats.tx_fifo_errors++;
2147 return NETDEV_TX_BUSY;
2148 }
2149 }
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2155 priv->xmit.fid = i;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
2159 set_bit(JOB_XMIT, &priv->jobs);
2160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
2163 return NETDEV_TX_OK;
2164 }
2165
2166 static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
2169 struct airo_info *priv = dev->ml_priv;
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2173
2174 clear_bit(JOB_XMIT11, &priv->jobs);
2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177 up(&priv->sem);
2178
2179 i = MAX_FIDS / 2;
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 } else {
2184 priv->fids[fid] &= 0xffff;
2185 dev->stats.tx_window_errors++;
2186 }
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2190 }
2191
2192 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2194 {
2195 s16 len;
2196 int i, j;
2197 struct airo_info *priv = dev->ml_priv;
2198 u32 *fids = priv->fids;
2199
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
2205 }
2206
2207 if ( skb == NULL ) {
2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2209 return NETDEV_TX_OK;
2210 }
2211
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2218
2219 if (i == MAX_FIDS) {
2220 dev->stats.tx_fifo_errors++;
2221 return NETDEV_TX_BUSY;
2222 }
2223 }
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
2233 set_bit(JOB_XMIT11, &priv->jobs);
2234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
2237 return NETDEV_TX_OK;
2238 }
2239
2240 static void airo_read_stats(struct net_device *dev)
2241 {
2242 struct airo_info *ai = dev->ml_priv;
2243 StatsRid stats_rid;
2244 __le32 *vals = stats_rid.vals;
2245
2246 clear_bit(JOB_STATS, &ai->jobs);
2247 if (ai->power.event) {
2248 up(&ai->sem);
2249 return;
2250 }
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2253
2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2255 le32_to_cpu(vals[45]);
2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2257 le32_to_cpu(vals[41]);
2258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
2266
2267 /* detailed rx_errors: */
2268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2272 }
2273
2274 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2275 {
2276 struct airo_info *local = dev->ml_priv;
2277
2278 if (!test_bit(JOB_STATS, &local->jobs)) {
2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
2281 set_bit(JOB_STATS, &local->jobs);
2282 wake_up_interruptible(&local->thr_wait);
2283 } else
2284 airo_read_stats(dev);
2285 }
2286
2287 return &dev->stats;
2288 }
2289
2290 static void airo_set_promisc(struct airo_info *ai) {
2291 Cmd cmd;
2292 Resp rsp;
2293
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
2296 clear_bit(JOB_PROMISC, &ai->jobs);
2297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2299 up(&ai->sem);
2300 }
2301
2302 static void airo_set_multicast_list(struct net_device *dev) {
2303 struct airo_info *ai = dev->ml_priv;
2304
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
2308 set_bit(JOB_PROMISC, &ai->jobs);
2309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2312 }
2313
2314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2315 /* Turn on multicast. (Should be already setup...) */
2316 }
2317 }
2318
2319 static int airo_set_mac_address(struct net_device *dev, void *p)
2320 {
2321 struct airo_info *ai = dev->ml_priv;
2322 struct sockaddr *addr = p;
2323
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2327 disable_MAC(ai, 1);
2328 writeConfigRid (ai, 1);
2329 enable_MAC(ai, 1);
2330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 if (ai->wifidev)
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333 return 0;
2334 }
2335
2336 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337 {
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2339 return -EINVAL;
2340 dev->mtu = new_mtu;
2341 return 0;
2342 }
2343
2344 static LIST_HEAD(airo_devices);
2345
2346 static void add_airo_dev(struct airo_info *ai)
2347 {
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2352 }
2353
2354 static void del_airo_dev(struct airo_info *ai)
2355 {
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2358 }
2359
2360 static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
2362
2363 netif_stop_queue(dev);
2364
2365 if (ai->wifidev != dev) {
2366 #ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374 #endif
2375 disable_interrupts( ai );
2376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2381 }
2382 return 0;
2383 }
2384
2385 void stop_airo_card( struct net_device *dev, int freeres )
2386 {
2387 struct airo_info *ai = dev->ml_priv;
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2399 }
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 }
2402 /*
2403 * Clean out tx queue
2404 */
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
2411 airo_networks_free (ai);
2412
2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
2417 if (freeres) {
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 if (ai->pci)
2422 mpi_unmap_card(ai->pci);
2423 if (ai->pcimem)
2424 iounmap(ai->pcimem);
2425 if (ai->pciaux)
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2429 }
2430 }
2431 crypto_free_cipher(ai->tfm);
2432 del_airo_dev(ai);
2433 free_netdev( dev );
2434 }
2435
2436 EXPORT_SYMBOL(stop_airo_card);
2437
2438 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2439 {
2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2441 return ETH_ALEN;
2442 }
2443
2444 static void mpi_unmap_card(struct pci_dev *pci)
2445 {
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2450
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2453 }
2454
2455 /*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2461 */
2462 static int mpi_init_descriptors (struct airo_info *ai)
2463 {
2464 Cmd cmd;
2465 Resp rsp;
2466 int i;
2467 int rc = SUCCESS;
2468
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_RX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2482 return rc;
2483 }
2484
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2488 }
2489
2490 /* Alloc card TX descriptors */
2491
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2494
2495 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm0 = FID_TX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2499
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 }
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2510 return rc;
2511 }
2512
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2516
2517 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm0 = RID_RW;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2524 return rc;
2525 }
2526
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2529
2530 return rc;
2531 }
2532
2533 /*
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issueing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
2539 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2540 {
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
2546 unsigned char __iomem *pciaddroff;
2547
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2552
2553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
2556 goto out;
2557 }
2558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
2561 goto free_region1;
2562 }
2563
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
2568 goto free_region2;
2569 }
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
2574 goto free_memmap;
2575 }
2576
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 if (!ai->shared) {
2580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
2582 goto free_auxmap;
2583 }
2584
2585 /*
2586 * Setup descriptor RX, TX, CONFIG
2587 */
2588 busaddroff = ai->shared_dma;
2589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2591
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2601
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2605 }
2606
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
2613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2619 }
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
2627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2633
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2636 goto free_shared;
2637
2638 return 0;
2639 free_shared:
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642 iounmap(ai->pciaux);
2643 free_memmap:
2644 iounmap(ai->pcimem);
2645 free_region2:
2646 release_mem_region(aux_start, aux_len);
2647 free_region1:
2648 release_mem_region(mem_start, mem_len);
2649 out:
2650 return rc;
2651 }
2652
2653 static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2655 };
2656
2657 static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2665 };
2666
2667 static void wifi_setup(struct net_device *dev)
2668 {
2669 dev->netdev_ops = &airo11_netdev_ops;
2670 dev->header_ops = &airo_header_ops;
2671 dev->wireless_handlers = &airo_handler_def;
2672
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
2675 dev->mtu = AIRO_DEF_MTU;
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2678
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2680
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2682 }
2683
2684 static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2686 {
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2689 if (!dev)
2690 return NULL;
2691 dev->ml_priv = ethdev->ml_priv;
2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
2694 dev->wireless_data = ethdev->wireless_data;
2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2701 }
2702 return dev;
2703 }
2704
2705 static int reset_card( struct net_device *dev , int lock) {
2706 struct airo_info *ai = dev->ml_priv;
2707
2708 if (lock && down_interruptible(&ai->sem))
2709 return -1;
2710 waitbusy (ai);
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 msleep(200);
2713 waitbusy (ai);
2714 msleep(200);
2715 if (lock)
2716 up(&ai->sem);
2717 return 0;
2718 }
2719
2720 #define AIRO_MAX_NETWORK_COUNT 64
2721 static int airo_networks_allocate(struct airo_info *ai)
2722 {
2723 if (ai->networks)
2724 return 0;
2725
2726 ai->networks =
2727 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2728 GFP_KERNEL);
2729 if (!ai->networks) {
2730 airo_print_warn("", "Out of memory allocating beacons");
2731 return -ENOMEM;
2732 }
2733
2734 return 0;
2735 }
2736
2737 static void airo_networks_free(struct airo_info *ai)
2738 {
2739 kfree(ai->networks);
2740 ai->networks = NULL;
2741 }
2742
2743 static void airo_networks_initialize(struct airo_info *ai)
2744 {
2745 int i;
2746
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
2749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2752 }
2753
2754 static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_multicast_list = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_change_mtu = airo_change_mtu,
2763 .ndo_validate_addr = eth_validate_addr,
2764 };
2765
2766 static const struct net_device_ops mpi_netdev_ops = {
2767 .ndo_open = airo_open,
2768 .ndo_stop = airo_close,
2769 .ndo_start_xmit = mpi_start_xmit,
2770 .ndo_get_stats = airo_get_stats,
2771 .ndo_set_multicast_list = airo_set_multicast_list,
2772 .ndo_set_mac_address = airo_set_mac_address,
2773 .ndo_do_ioctl = airo_ioctl,
2774 .ndo_change_mtu = airo_change_mtu,
2775 .ndo_validate_addr = eth_validate_addr,
2776 };
2777
2778
2779 static struct net_device *_init_airo_card( unsigned short irq, int port,
2780 int is_pcmcia, struct pci_dev *pci,
2781 struct device *dmdev )
2782 {
2783 struct net_device *dev;
2784 struct airo_info *ai;
2785 int i, rc;
2786 CapabilityRid cap_rid;
2787
2788 /* Create the network device object. */
2789 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2790 if (!dev) {
2791 airo_print_err("", "Couldn't alloc_etherdev");
2792 return NULL;
2793 }
2794
2795 ai = dev->ml_priv = netdev_priv(dev);
2796 ai->wifidev = NULL;
2797 ai->flags = 1 << FLAG_RADIO_DOWN;
2798 ai->jobs = 0;
2799 ai->dev = dev;
2800 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2801 airo_print_dbg("", "Found an MPI350 card");
2802 set_bit(FLAG_MPI, &ai->flags);
2803 }
2804 spin_lock_init(&ai->aux_lock);
2805 sema_init(&ai->sem, 1);
2806 ai->config.len = 0;
2807 ai->pci = pci;
2808 init_waitqueue_head (&ai->thr_wait);
2809 ai->tfm = NULL;
2810 add_airo_dev(ai);
2811
2812 if (airo_networks_allocate (ai))
2813 goto err_out_free;
2814 airo_networks_initialize (ai);
2815
2816 skb_queue_head_init (&ai->txq);
2817
2818 /* The Airo-specific entries in the device structure. */
2819 if (test_bit(FLAG_MPI,&ai->flags))
2820 dev->netdev_ops = &mpi_netdev_ops;
2821 else
2822 dev->netdev_ops = &airo_netdev_ops;
2823 dev->wireless_handlers = &airo_handler_def;
2824 ai->wireless_data.spy_data = &ai->spy_data;
2825 dev->wireless_data = &ai->wireless_data;
2826 dev->irq = irq;
2827 dev->base_addr = port;
2828
2829 SET_NETDEV_DEV(dev, dmdev);
2830
2831 reset_card (dev, 1);
2832 msleep(400);
2833
2834 if (!is_pcmcia) {
2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 rc = -EBUSY;
2837 airo_print_err(dev->name, "Couldn't request region");
2838 goto err_out_nets;
2839 }
2840 }
2841
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
2845 goto err_out_res;
2846 }
2847 }
2848
2849 if (probe) {
2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2851 airo_print_err(dev->name, "MAC could not be enabled" );
2852 rc = -EIO;
2853 goto err_out_map;
2854 }
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2858 }
2859
2860 strcpy(dev->name, "eth%d");
2861 rc = register_netdev(dev);
2862 if (rc) {
2863 airo_print_err(dev->name, "Couldn't register_netdev");
2864 goto err_out_map;
2865 }
2866 ai->wifidev = init_wifidev(ai, dev);
2867 if (!ai->wifidev)
2868 goto err_out_reg;
2869
2870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2872 rc = -EIO;
2873 goto err_out_wifi;
2874 }
2875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2878
2879 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2883
2884 /* Test for WPA support */
2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2890
2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2895 } else {
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2898
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 }
2903
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911
2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2913 goto err_out_wifi;
2914
2915 return dev;
2916
2917 err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920 err_out_reg:
2921 unregister_netdev(dev);
2922 err_out_map:
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2928 }
2929 err_out_res:
2930 if (!is_pcmcia)
2931 release_region( dev->base_addr, 64 );
2932 err_out_nets:
2933 airo_networks_free(ai);
2934 err_out_free:
2935 del_airo_dev(ai);
2936 free_netdev(dev);
2937 return NULL;
2938 }
2939
2940 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2942 {
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2944 }
2945
2946 EXPORT_SYMBOL(init_airo_card);
2947
2948 static int waitbusy (struct airo_info *ai) {
2949 int delay = 0;
2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2951 udelay (10);
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 }
2955 return delay < 10000;
2956 }
2957
2958 int reset_airo_card( struct net_device *dev )
2959 {
2960 int i;
2961 struct airo_info *ai = dev->ml_priv;
2962
2963 if (reset_card (dev, 1))
2964 return -1;
2965
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2967 airo_print_err(dev->name, "MAC could not be enabled");
2968 return -1;
2969 }
2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2975
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2978 return 0;
2979 }
2980
2981 EXPORT_SYMBOL(reset_airo_card);
2982
2983 static void airo_send_event(struct net_device *dev) {
2984 struct airo_info *ai = dev->ml_priv;
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2987
2988 clear_bit(JOB_EVENT, &ai->jobs);
2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 up(&ai->sem);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2998 }
2999
3000 static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3002 BSSListRid bss;
3003 int rc;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3006
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3012 }
3013
3014 /* Try to read the first entry of the scan result */
3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3017 /* No scan results */
3018 goto out;
3019 }
3020
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3029 }
3030
3031 if (tmp_net != NULL) {
3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3035 }
3036
3037 /* Read next entry */
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
3040 }
3041
3042 out:
3043 ai->scan_timeout = 0;
3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3045 up(&ai->sem);
3046
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3057 }
3058
3059 static int airo_thread(void *data) {
3060 struct net_device *dev = data;
3061 struct airo_info *ai = dev->ml_priv;
3062 int locked;
3063
3064 set_freezable();
3065 while(1) {
3066 /* make swsusp happy with our thread */
3067 try_to_freeze();
3068
3069 if (test_bit(JOB_DIE, &ai->jobs))
3070 break;
3071
3072 if (ai->jobs) {
3073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3076
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
3081 if (ai->jobs)
3082 break;
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3091 break;
3092 }
3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
3095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3098 ai->scan_timeout);
3099 } else {
3100 wake_at = min(ai->expires,
3101 ai->scan_timeout);
3102 }
3103 schedule_timeout(wake_at - jiffies);
3104 continue;
3105 }
3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
3108 schedule();
3109 continue;
3110 }
3111 break;
3112 }
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3115 locked = 1;
3116 }
3117
3118 if (locked)
3119 continue;
3120
3121 if (test_bit(JOB_DIE, &ai->jobs)) {
3122 up(&ai->sem);
3123 break;
3124 }
3125
3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3127 up(&ai->sem);
3128 continue;
3129 }
3130
3131 if (test_bit(JOB_XMIT, &ai->jobs))
3132 airo_end_xmit(dev);
3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
3134 airo_end_xmit11(dev);
3135 else if (test_bit(JOB_STATS, &ai->jobs))
3136 airo_read_stats(dev);
3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
3138 airo_read_wireless_stats(ai);
3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
3140 airo_set_promisc(ai);
3141 else if (test_bit(JOB_MIC, &ai->jobs))
3142 micinit(ai);
3143 else if (test_bit(JOB_EVENT, &ai->jobs))
3144 airo_send_event(dev);
3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 timer_func(dev);
3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
3151 }
3152
3153 return 0;
3154 }
3155
3156 static int header_len(__le16 ctl)
3157 {
3158 u16 fc = le16_to_cpu(ctl);
3159 switch (fc & 0xc) {
3160 case 4:
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3164 case 8:
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3167 }
3168 return 24;
3169 }
3170
3171 static void airo_handle_cisco_mic(struct airo_info *ai)
3172 {
3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3176 }
3177 }
3178
3179 /* Airo Status codes */
3180 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC 0x0400 /* Associated */
3190 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191
3192 static void airo_print_status(const char *devname, u16 status)
3193 {
3194 u8 reason = status & 0xFF;
3195
3196 switch (status & 0xFF00) {
3197 case STAT_NOBEACON:
3198 switch (status) {
3199 case STAT_NOBEACON:
3200 airo_print_dbg(devname, "link lost (missed beacons)");
3201 break;
3202 case STAT_MAXRETRIES:
3203 case STAT_MAXARL:
3204 airo_print_dbg(devname, "link lost (max retries)");
3205 break;
3206 case STAT_FORCELOSS:
3207 airo_print_dbg(devname, "link lost (local choice)");
3208 break;
3209 case STAT_TSFSYNC:
3210 airo_print_dbg(devname, "link lost (TSF sync lost)");
3211 break;
3212 default:
3213 airo_print_dbg(devname, "unknow status %x\n", status);
3214 break;
3215 }
3216 break;
3217 case STAT_DEAUTH:
3218 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3219 break;
3220 case STAT_DISASSOC:
3221 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3222 break;
3223 case STAT_ASSOC_FAIL:
3224 airo_print_dbg(devname, "association failed (reason: %d)",
3225 reason);
3226 break;
3227 case STAT_AUTH_FAIL:
3228 airo_print_dbg(devname, "authentication failed (reason: %d)",
3229 reason);
3230 break;
3231 case STAT_ASSOC:
3232 case STAT_REASSOC:
3233 break;
3234 default:
3235 airo_print_dbg(devname, "unknow status %x\n", status);
3236 break;
3237 }
3238 }
3239
3240 static void airo_handle_link(struct airo_info *ai)
3241 {
3242 union iwreq_data wrqu;
3243 int scan_forceloss = 0;
3244 u16 status;
3245
3246 /* Get new status and acknowledge the link change */
3247 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3248 OUT4500(ai, EVACK, EV_LINK);
3249
3250 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3251 scan_forceloss = 1;
3252
3253 airo_print_status(ai->dev->name, status);
3254
3255 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3256 if (auto_wep)
3257 ai->expires = 0;
3258 if (ai->list_bss_task)
3259 wake_up_process(ai->list_bss_task);
3260 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3261 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3262
3263 if (down_trylock(&ai->sem) != 0) {
3264 set_bit(JOB_EVENT, &ai->jobs);
3265 wake_up_interruptible(&ai->thr_wait);
3266 } else
3267 airo_send_event(ai->dev);
3268 } else if (!scan_forceloss) {
3269 if (auto_wep && !ai->expires) {
3270 ai->expires = RUN_AT(3*HZ);
3271 wake_up_interruptible(&ai->thr_wait);
3272 }
3273
3274 /* Send event to user space */
3275 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3276 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3277 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3278 }
3279 }
3280
3281 static void airo_handle_rx(struct airo_info *ai)
3282 {
3283 struct sk_buff *skb = NULL;
3284 __le16 fc, v, *buffer, tmpbuf[4];
3285 u16 len, hdrlen = 0, gap, fid;
3286 struct rx_hdr hdr;
3287 int success = 0;
3288
3289 if (test_bit(FLAG_MPI, &ai->flags)) {
3290 if (test_bit(FLAG_802_11, &ai->flags))
3291 mpi_receive_802_11(ai);
3292 else
3293 mpi_receive_802_3(ai);
3294 OUT4500(ai, EVACK, EV_RX);
3295 return;
3296 }
3297
3298 fid = IN4500(ai, RXFID);
3299
3300 /* Get the packet length */
3301 if (test_bit(FLAG_802_11, &ai->flags)) {
3302 bap_setup (ai, fid, 4, BAP0);
3303 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3304 /* Bad CRC. Ignore packet */
3305 if (le16_to_cpu(hdr.status) & 2)
3306 hdr.len = 0;
3307 if (ai->wifidev == NULL)
3308 hdr.len = 0;
3309 } else {
3310 bap_setup(ai, fid, 0x36, BAP0);
3311 bap_read(ai, &hdr.len, 2, BAP0);
3312 }
3313 len = le16_to_cpu(hdr.len);
3314
3315 if (len > AIRO_DEF_MTU) {
3316 airo_print_err(ai->dev->name, "Bad size %d", len);
3317 goto done;
3318 }
3319 if (len == 0)
3320 goto done;
3321
3322 if (test_bit(FLAG_802_11, &ai->flags)) {
3323 bap_read(ai, &fc, sizeof (fc), BAP0);
3324 hdrlen = header_len(fc);
3325 } else
3326 hdrlen = ETH_ALEN * 2;
3327
3328 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3329 if (!skb) {
3330 ai->dev->stats.rx_dropped++;
3331 goto done;
3332 }
3333
3334 skb_reserve(skb, 2); /* This way the IP header is aligned */
3335 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3336 if (test_bit(FLAG_802_11, &ai->flags)) {
3337 buffer[0] = fc;
3338 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3339 if (hdrlen == 24)
3340 bap_read(ai, tmpbuf, 6, BAP0);
3341
3342 bap_read(ai, &v, sizeof(v), BAP0);
3343 gap = le16_to_cpu(v);
3344 if (gap) {
3345 if (gap <= 8) {
3346 bap_read(ai, tmpbuf, gap, BAP0);
3347 } else {
3348 airo_print_err(ai->dev->name, "gaplen too "
3349 "big. Problems will follow...");
3350 }
3351 }
3352 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3353 } else {
3354 MICBuffer micbuf;
3355
3356 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3357 if (ai->micstats.enabled) {
3358 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3359 if (ntohs(micbuf.typelen) > 0x05DC)
3360 bap_setup(ai, fid, 0x44, BAP0);
3361 else {
3362 if (len <= sizeof (micbuf)) {
3363 dev_kfree_skb_irq(skb);
3364 goto done;
3365 }
3366
3367 len -= sizeof(micbuf);
3368 skb_trim(skb, len + hdrlen);
3369 }
3370 }
3371
3372 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3373 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3374 dev_kfree_skb_irq (skb);
3375 else
3376 success = 1;
3377 }
3378
3379 #ifdef WIRELESS_SPY
3380 if (success && (ai->spy_data.spy_number > 0)) {
3381 char *sa;
3382 struct iw_quality wstats;
3383
3384 /* Prepare spy data : addr + qual */
3385 if (!test_bit(FLAG_802_11, &ai->flags)) {
3386 sa = (char *) buffer + 6;
3387 bap_setup(ai, fid, 8, BAP0);
3388 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3389 } else
3390 sa = (char *) buffer + 10;
3391 wstats.qual = hdr.rssi[0];
3392 if (ai->rssi)
3393 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3394 else
3395 wstats.level = (hdr.rssi[1] + 321) / 2;
3396 wstats.noise = ai->wstats.qual.noise;
3397 wstats.updated = IW_QUAL_LEVEL_UPDATED
3398 | IW_QUAL_QUAL_UPDATED
3399 | IW_QUAL_DBM;
3400 /* Update spy records */
3401 wireless_spy_update(ai->dev, sa, &wstats);
3402 }
3403 #endif /* WIRELESS_SPY */
3404
3405 done:
3406 OUT4500(ai, EVACK, EV_RX);
3407
3408 if (success) {
3409 if (test_bit(FLAG_802_11, &ai->flags)) {
3410 skb_reset_mac_header(skb);
3411 skb->pkt_type = PACKET_OTHERHOST;
3412 skb->dev = ai->wifidev;
3413 skb->protocol = htons(ETH_P_802_2);
3414 } else
3415 skb->protocol = eth_type_trans(skb, ai->dev);
3416 skb->ip_summed = CHECKSUM_NONE;
3417
3418 netif_rx(skb);
3419 }
3420 }
3421
3422 static void airo_handle_tx(struct airo_info *ai, u16 status)
3423 {
3424 int i, len = 0, index = -1;
3425 u16 fid;
3426
3427 if (test_bit(FLAG_MPI, &ai->flags)) {
3428 unsigned long flags;
3429
3430 if (status & EV_TXEXC)
3431 get_tx_error(ai, -1);
3432
3433 spin_lock_irqsave(&ai->aux_lock, flags);
3434 if (!skb_queue_empty(&ai->txq)) {
3435 spin_unlock_irqrestore(&ai->aux_lock,flags);
3436 mpi_send_packet(ai->dev);
3437 } else {
3438 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3439 spin_unlock_irqrestore(&ai->aux_lock,flags);
3440 netif_wake_queue(ai->dev);
3441 }
3442 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3443 return;
3444 }
3445
3446 fid = IN4500(ai, TXCOMPLFID);
3447
3448 for(i = 0; i < MAX_FIDS; i++) {
3449 if ((ai->fids[i] & 0xffff) == fid) {
3450 len = ai->fids[i] >> 16;
3451 index = i;
3452 }
3453 }
3454
3455 if (index != -1) {
3456 if (status & EV_TXEXC)
3457 get_tx_error(ai, index);
3458
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3460
3461 /* Set up to be used again */
3462 ai->fids[index] &= 0xffff;
3463 if (index < MAX_FIDS / 2) {
3464 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3465 netif_wake_queue(ai->dev);
3466 } else {
3467 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3468 netif_wake_queue(ai->wifidev);
3469 }
3470 } else {
3471 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3472 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3473 }
3474 }
3475
3476 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3477 {
3478 struct net_device *dev = dev_id;
3479 u16 status, savedInterrupts = 0;
3480 struct airo_info *ai = dev->ml_priv;
3481 int handled = 0;
3482
3483 if (!netif_device_present(dev))
3484 return IRQ_NONE;
3485
3486 for (;;) {
3487 status = IN4500(ai, EVSTAT);
3488 if (!(status & STATUS_INTS) || (status == 0xffff))
3489 break;
3490
3491 handled = 1;
3492
3493 if (status & EV_AWAKE) {
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 OUT4500(ai, EVACK, EV_AWAKE);
3496 }
3497
3498 if (!savedInterrupts) {
3499 savedInterrupts = IN4500(ai, EVINTEN);
3500 OUT4500(ai, EVINTEN, 0);
3501 }
3502
3503 if (status & EV_MIC) {
3504 OUT4500(ai, EVACK, EV_MIC);
3505 airo_handle_cisco_mic(ai);
3506 }
3507
3508 if (status & EV_LINK) {
3509 /* Link status changed */
3510 airo_handle_link(ai);
3511 }
3512
3513 /* Check to see if there is something to receive */
3514 if (status & EV_RX)
3515 airo_handle_rx(ai);
3516
3517 /* Check to see if a packet has been transmitted */
3518 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3519 airo_handle_tx(ai, status);
3520
3521 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3522 airo_print_warn(ai->dev->name, "Got weird status %x",
3523 status & ~STATUS_INTS & ~IGNORE_INTS );
3524 }
3525 }
3526
3527 if (savedInterrupts)
3528 OUT4500(ai, EVINTEN, savedInterrupts);
3529
3530 return IRQ_RETVAL(handled);
3531 }
3532
3533 /*
3534 * Routines to talk to the card
3535 */
3536
3537 /*
3538 * This was originally written for the 4500, hence the name
3539 * NOTE: If use with 8bit mode and SMP bad things will happen!
3540 * Why would some one do 8 bit IO in an SMP machine?!?
3541 */
3542 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3543 if (test_bit(FLAG_MPI,&ai->flags))
3544 reg <<= 1;
3545 if ( !do8bitIO )
3546 outw( val, ai->dev->base_addr + reg );
3547 else {
3548 outb( val & 0xff, ai->dev->base_addr + reg );
3549 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3550 }
3551 }
3552
3553 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3554 unsigned short rc;
3555
3556 if (test_bit(FLAG_MPI,&ai->flags))
3557 reg <<= 1;
3558 if ( !do8bitIO )
3559 rc = inw( ai->dev->base_addr + reg );
3560 else {
3561 rc = inb( ai->dev->base_addr + reg );
3562 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3563 }
3564 return rc;
3565 }
3566
3567 static int enable_MAC(struct airo_info *ai, int lock)
3568 {
3569 int rc;
3570 Cmd cmd;
3571 Resp rsp;
3572
3573 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3574 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3575 * Note : we could try to use !netif_running(dev) in enable_MAC()
3576 * instead of this flag, but I don't trust it *within* the
3577 * open/close functions, and testing both flags together is
3578 * "cheaper" - Jean II */
3579 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3580
3581 if (lock && down_interruptible(&ai->sem))
3582 return -ERESTARTSYS;
3583
3584 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3585 memset(&cmd, 0, sizeof(cmd));
3586 cmd.cmd = MAC_ENABLE;
3587 rc = issuecommand(ai, &cmd, &rsp);
3588 if (rc == SUCCESS)
3589 set_bit(FLAG_ENABLED, &ai->flags);
3590 } else
3591 rc = SUCCESS;
3592
3593 if (lock)
3594 up(&ai->sem);
3595
3596 if (rc)
3597 airo_print_err(ai->dev->name, "Cannot enable MAC");
3598 else if ((rsp.status & 0xFF00) != 0) {
3599 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3600 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3601 rc = ERROR;
3602 }
3603 return rc;
3604 }
3605
3606 static void disable_MAC( struct airo_info *ai, int lock ) {
3607 Cmd cmd;
3608 Resp rsp;
3609
3610 if (lock && down_interruptible(&ai->sem))
3611 return;
3612
3613 if (test_bit(FLAG_ENABLED, &ai->flags)) {
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)
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 = (u16*)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 u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3789 {
3790 Cmd cmd;
3791 Resp rsp;
3792 int status;
3793 SsidRid mySsid;
3794 __le16 lastindex;
3795 WepKeyRid wkr;
3796 int rc;
3797
3798 memset( &mySsid, 0, sizeof( mySsid ) );
3799 kfree (ai->flash);
3800 ai->flash = NULL;
3801
3802 /* The NOP is the first step in getting the card going */
3803 cmd.cmd = NOP;
3804 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3805 if (lock && down_interruptible(&ai->sem))
3806 return ERROR;
3807 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3808 if (lock)
3809 up(&ai->sem);
3810 return ERROR;
3811 }
3812 disable_MAC( ai, 0);
3813
3814 // Let's figure out if we need to use the AUX port
3815 if (!test_bit(FLAG_MPI,&ai->flags)) {
3816 cmd.cmd = CMD_ENABLEAUX;
3817 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3818 if (lock)
3819 up(&ai->sem);
3820 airo_print_err(ai->dev->name, "Error checking for AUX port");
3821 return ERROR;
3822 }
3823 if (!aux_bap || rsp.status & 0xff00) {
3824 ai->bap_read = fast_bap_read;
3825 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3826 } else {
3827 ai->bap_read = aux_bap_read;
3828 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3829 }
3830 }
3831 if (lock)
3832 up(&ai->sem);
3833 if (ai->config.len == 0) {
3834 int i;
3835 tdsRssiRid rssi_rid;
3836 CapabilityRid cap_rid;
3837
3838 kfree(ai->APList);
3839 ai->APList = NULL;
3840 kfree(ai->SSID);
3841 ai->SSID = NULL;
3842 // general configuration (read/modify/write)
3843 status = readConfigRid(ai, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = readCapabilityRid(ai, &cap_rid, lock);
3847 if ( status != SUCCESS ) return ERROR;
3848
3849 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3850 if ( status == SUCCESS ) {
3851 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3852 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3853 }
3854 else {
3855 kfree(ai->rssi);
3856 ai->rssi = NULL;
3857 if (cap_rid.softCap & cpu_to_le16(8))
3858 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 else
3860 airo_print_warn(ai->dev->name, "unknown received signal "
3861 "level scale");
3862 }
3863 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3864 ai->config.authType = AUTH_OPEN;
3865 ai->config.modulation = MOD_CCK;
3866
3867 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3868 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3869 micsetup(ai) == SUCCESS) {
3870 ai->config.opmode |= MODE_MIC;
3871 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3872 }
3873
3874 /* Save off the MAC */
3875 for( i = 0; i < ETH_ALEN; i++ ) {
3876 mac[i] = ai->config.macAddr[i];
3877 }
3878
3879 /* Check to see if there are any insmod configured
3880 rates to add */
3881 if ( rates[0] ) {
3882 memset(ai->config.rates,0,sizeof(ai->config.rates));
3883 for( i = 0; i < 8 && rates[i]; i++ ) {
3884 ai->config.rates[i] = rates[i];
3885 }
3886 }
3887 if ( basic_rate > 0 ) {
3888 for( i = 0; i < 8; i++ ) {
3889 if ( ai->config.rates[i] == basic_rate ||
3890 !ai->config.rates ) {
3891 ai->config.rates[i] = basic_rate | 0x80;
3892 break;
3893 }
3894 }
3895 }
3896 set_bit (FLAG_COMMIT, &ai->flags);
3897 }
3898
3899 /* Setup the SSIDs if present */
3900 if ( ssids[0] ) {
3901 int i;
3902 for( i = 0; i < 3 && ssids[i]; i++ ) {
3903 size_t len = strlen(ssids[i]);
3904 if (len > 32)
3905 len = 32;
3906 mySsid.ssids[i].len = cpu_to_le16(len);
3907 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3908 }
3909 mySsid.len = cpu_to_le16(sizeof(mySsid));
3910 }
3911
3912 status = writeConfigRid(ai, lock);
3913 if ( status != SUCCESS ) return ERROR;
3914
3915 /* Set up the SSID list */
3916 if ( ssids[0] ) {
3917 status = writeSsidRid(ai, &mySsid, lock);
3918 if ( status != SUCCESS ) return ERROR;
3919 }
3920
3921 status = enable_MAC(ai, lock);
3922 if (status != SUCCESS)
3923 return ERROR;
3924
3925 /* Grab the initial wep key, we gotta save it for auto_wep */
3926 rc = readWepKeyRid(ai, &wkr, 1, lock);
3927 if (rc == SUCCESS) do {
3928 lastindex = wkr.kindex;
3929 if (wkr.kindex == cpu_to_le16(0xffff)) {
3930 ai->defindex = wkr.mac[0];
3931 }
3932 rc = readWepKeyRid(ai, &wkr, 0, lock);
3933 } while(lastindex != wkr.kindex);
3934
3935 try_auto_wep(ai);
3936
3937 return SUCCESS;
3938 }
3939
3940 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3941 // Im really paranoid about letting it run forever!
3942 int max_tries = 600000;
3943
3944 if (IN4500(ai, EVSTAT) & EV_CMD)
3945 OUT4500(ai, EVACK, EV_CMD);
3946
3947 OUT4500(ai, PARAM0, pCmd->parm0);
3948 OUT4500(ai, PARAM1, pCmd->parm1);
3949 OUT4500(ai, PARAM2, pCmd->parm2);
3950 OUT4500(ai, COMMAND, pCmd->cmd);
3951
3952 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3953 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3954 // PC4500 didn't notice command, try again
3955 OUT4500(ai, COMMAND, pCmd->cmd);
3956 if (!in_atomic() && (max_tries & 255) == 0)
3957 schedule();
3958 }
3959
3960 if ( max_tries == -1 ) {
3961 airo_print_err(ai->dev->name,
3962 "Max tries exceeded when issueing command");
3963 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 return ERROR;
3966 }
3967
3968 // command completed
3969 pRsp->status = IN4500(ai, STATUS);
3970 pRsp->rsp0 = IN4500(ai, RESP0);
3971 pRsp->rsp1 = IN4500(ai, RESP1);
3972 pRsp->rsp2 = IN4500(ai, RESP2);
3973 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3974 airo_print_err(ai->dev->name,
3975 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3976 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3977 pRsp->rsp2);
3978
3979 // clear stuck command busy if necessary
3980 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3981 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3982 }
3983 // acknowledge processing the status/response
3984 OUT4500(ai, EVACK, EV_CMD);
3985
3986 return SUCCESS;
3987 }
3988
3989 /* Sets up the bap to start exchange data. whichbap should
3990 * be one of the BAP0 or BAP1 defines. Locks should be held before
3991 * calling! */
3992 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3993 {
3994 int timeout = 50;
3995 int max_tries = 3;
3996
3997 OUT4500(ai, SELECT0+whichbap, rid);
3998 OUT4500(ai, OFFSET0+whichbap, offset);
3999 while (1) {
4000 int status = IN4500(ai, OFFSET0+whichbap);
4001 if (status & BAP_BUSY) {
4002 /* This isn't really a timeout, but its kinda
4003 close */
4004 if (timeout--) {
4005 continue;
4006 }
4007 } else if ( status & BAP_ERR ) {
4008 /* invalid rid or offset */
4009 airo_print_err(ai->dev->name, "BAP error %x %d",
4010 status, whichbap );
4011 return ERROR;
4012 } else if (status & BAP_DONE) { // success
4013 return SUCCESS;
4014 }
4015 if ( !(max_tries--) ) {
4016 airo_print_err(ai->dev->name,
4017 "BAP setup error too many retries\n");
4018 return ERROR;
4019 }
4020 // -- PC4500 missed it, try again
4021 OUT4500(ai, SELECT0+whichbap, rid);
4022 OUT4500(ai, OFFSET0+whichbap, offset);
4023 timeout = 50;
4024 }
4025 }
4026
4027 /* should only be called by aux_bap_read. This aux function and the
4028 following use concepts not documented in the developers guide. I
4029 got them from a patch given to my by Aironet */
4030 static u16 aux_setup(struct airo_info *ai, u16 page,
4031 u16 offset, u16 *len)
4032 {
4033 u16 next;
4034
4035 OUT4500(ai, AUXPAGE, page);
4036 OUT4500(ai, AUXOFF, 0);
4037 next = IN4500(ai, AUXDATA);
4038 *len = IN4500(ai, AUXDATA)&0xff;
4039 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4040 return next;
4041 }
4042
4043 /* requires call to bap_setup() first */
4044 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4045 int bytelen, int whichbap)
4046 {
4047 u16 len;
4048 u16 page;
4049 u16 offset;
4050 u16 next;
4051 int words;
4052 int i;
4053 unsigned long flags;
4054
4055 spin_lock_irqsave(&ai->aux_lock, flags);
4056 page = IN4500(ai, SWS0+whichbap);
4057 offset = IN4500(ai, SWS2+whichbap);
4058 next = aux_setup(ai, page, offset, &len);
4059 words = (bytelen+1)>>1;
4060
4061 for (i=0; i<words;) {
4062 int count;
4063 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4064 if ( !do8bitIO )
4065 insw( ai->dev->base_addr+DATA0+whichbap,
4066 pu16Dst+i,count );
4067 else
4068 insb( ai->dev->base_addr+DATA0+whichbap,
4069 pu16Dst+i, count << 1 );
4070 i += count;
4071 if (i<words) {
4072 next = aux_setup(ai, next, 4, &len);
4073 }
4074 }
4075 spin_unlock_irqrestore(&ai->aux_lock, flags);
4076 return SUCCESS;
4077 }
4078
4079
4080 /* requires call to bap_setup() first */
4081 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4082 int bytelen, int whichbap)
4083 {
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4087 else
4088 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4089 return SUCCESS;
4090 }
4091
4092 /* requires call to bap_setup() first */
4093 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4094 int bytelen, int whichbap)
4095 {
4096 bytelen = (bytelen + 1) & (~1); // round up to even value
4097 if ( !do8bitIO )
4098 outsw( ai->dev->base_addr+DATA0+whichbap,
4099 pu16Src, bytelen>>1 );
4100 else
4101 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4102 return SUCCESS;
4103 }
4104
4105 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4106 {
4107 Cmd cmd; /* for issuing commands */
4108 Resp rsp; /* response from commands */
4109 u16 status;
4110
4111 memset(&cmd, 0, sizeof(cmd));
4112 cmd.cmd = accmd;
4113 cmd.parm0 = rid;
4114 status = issuecommand(ai, &cmd, &rsp);
4115 if (status != 0) return status;
4116 if ( (rsp.status & 0x7F00) != 0) {
4117 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4118 }
4119 return 0;
4120 }
4121
4122 /* Note, that we are using BAP1 which is also used by transmit, so
4123 * we must get a lock. */
4124 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4125 {
4126 u16 status;
4127 int rc = SUCCESS;
4128
4129 if (lock) {
4130 if (down_interruptible(&ai->sem))
4131 return ERROR;
4132 }
4133 if (test_bit(FLAG_MPI,&ai->flags)) {
4134 Cmd cmd;
4135 Resp rsp;
4136
4137 memset(&cmd, 0, sizeof(cmd));
4138 memset(&rsp, 0, sizeof(rsp));
4139 ai->config_desc.rid_desc.valid = 1;
4140 ai->config_desc.rid_desc.len = RIDSIZE;
4141 ai->config_desc.rid_desc.rid = 0;
4142 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4143
4144 cmd.cmd = CMD_ACCESS;
4145 cmd.parm0 = rid;
4146
4147 memcpy_toio(ai->config_desc.card_ram_off,
4148 &ai->config_desc.rid_desc, sizeof(Rid));
4149
4150 rc = issuecommand(ai, &cmd, &rsp);
4151
4152 if (rsp.status & 0x7f00)
4153 rc = rsp.rsp0;
4154 if (!rc)
4155 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4156 goto done;
4157 } else {
4158 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4159 rc = status;
4160 goto done;
4161 }
4162 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read the rid length field
4167 bap_read(ai, pBuf, 2, BAP1);
4168 // length for remaining part of rid
4169 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4170
4171 if ( len <= 2 ) {
4172 airo_print_err(ai->dev->name,
4173 "Rid %x has a length of %d which is too short",
4174 (int)rid, (int)len );
4175 rc = ERROR;
4176 goto done;
4177 }
4178 // read remainder of the rid
4179 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4180 }
4181 done:
4182 if (lock)
4183 up(&ai->sem);
4184 return rc;
4185 }
4186
4187 /* Note, that we are using BAP1 which is also used by transmit, so
4188 * make sure this isnt called when a transmit is happening */
4189 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4190 const void *pBuf, int len, int lock)
4191 {
4192 u16 status;
4193 int rc = SUCCESS;
4194
4195 *(__le16*)pBuf = cpu_to_le16((u16)len);
4196
4197 if (lock) {
4198 if (down_interruptible(&ai->sem))
4199 return ERROR;
4200 }
4201 if (test_bit(FLAG_MPI,&ai->flags)) {
4202 Cmd cmd;
4203 Resp rsp;
4204
4205 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4206 airo_print_err(ai->dev->name,
4207 "%s: MAC should be disabled (rid=%04x)",
4208 __func__, rid);
4209 memset(&cmd, 0, sizeof(cmd));
4210 memset(&rsp, 0, sizeof(rsp));
4211
4212 ai->config_desc.rid_desc.valid = 1;
4213 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4214 ai->config_desc.rid_desc.rid = 0;
4215
4216 cmd.cmd = CMD_WRITERID;
4217 cmd.parm0 = rid;
4218
4219 memcpy_toio(ai->config_desc.card_ram_off,
4220 &ai->config_desc.rid_desc, sizeof(Rid));
4221
4222 if (len < 4 || len > 2047) {
4223 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4224 rc = -1;
4225 } else {
4226 memcpy((char *)ai->config_desc.virtual_host_addr,
4227 pBuf, len);
4228
4229 rc = issuecommand(ai, &cmd, &rsp);
4230 if ((rc & 0xff00) != 0) {
4231 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4232 __func__, rc);
4233 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4234 __func__, cmd.cmd);
4235 }
4236
4237 if ((rsp.status & 0x7f00))
4238 rc = rsp.rsp0;
4239 }
4240 } else {
4241 // --- first access so that we can write the rid data
4242 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4243 rc = status;
4244 goto done;
4245 }
4246 // --- now write the rid data
4247 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4248 rc = ERROR;
4249 goto done;
4250 }
4251 bap_write(ai, pBuf, len, BAP1);
4252 // ---now commit the rid data
4253 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4254 }
4255 done:
4256 if (lock)
4257 up(&ai->sem);
4258 return rc;
4259 }
4260
4261 /* Allocates a FID to be used for transmitting packets. We only use
4262 one for now. */
4263 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4264 {
4265 unsigned int loop = 3000;
4266 Cmd cmd;
4267 Resp rsp;
4268 u16 txFid;
4269 __le16 txControl;
4270
4271 cmd.cmd = CMD_ALLOCATETX;
4272 cmd.parm0 = lenPayload;
4273 if (down_interruptible(&ai->sem))
4274 return ERROR;
4275 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279 if ( (rsp.status & 0xFF00) != 0) {
4280 txFid = ERROR;
4281 goto done;
4282 }
4283 /* wait for the allocate event/indication
4284 * It makes me kind of nervous that this can just sit here and spin,
4285 * but in practice it only loops like four times. */
4286 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4287 if (!loop) {
4288 txFid = ERROR;
4289 goto done;
4290 }
4291
4292 // get the allocated fid and acknowledge
4293 txFid = IN4500(ai, TXALLOCFID);
4294 OUT4500(ai, EVACK, EV_ALLOC);
4295
4296 /* The CARD is pretty cool since it converts the ethernet packet
4297 * into 802.11. Also note that we don't release the FID since we
4298 * will be using the same one over and over again. */
4299 /* We only have to setup the control once since we are not
4300 * releasing the fid. */
4301 if (raw)
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 else
4305 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4306 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4307 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4308 txFid = ERROR;
4309 else
4310 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4311
4312 done:
4313 up(&ai->sem);
4314
4315 return txFid;
4316 }
4317
4318 /* In general BAP1 is dedicated to transmiting packets. However,
4319 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4320 Make sure the BAP1 spinlock is held when this is called. */
4321 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4322 {
4323 __le16 payloadLen;
4324 Cmd cmd;
4325 Resp rsp;
4326 int miclen = 0;
4327 u16 txFid = len;
4328 MICBuffer pMic;
4329
4330 len >>= 16;
4331
4332 if (len <= ETH_ALEN * 2) {
4333 airo_print_warn(ai->dev->name, "Short packet %d", len);
4334 return ERROR;
4335 }
4336 len -= ETH_ALEN * 2;
4337
4338 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4339 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4340 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4341 return ERROR;
4342 miclen = sizeof(pMic);
4343 }
4344 // packet is destination[6], source[6], payload[len-12]
4345 // write the payload length and dst/src/payload
4346 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4347 /* The hardware addresses aren't counted as part of the payload, so
4348 * we have to subtract the 12 bytes for the addresses off */
4349 payloadLen = cpu_to_le16(len + miclen);
4350 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4351 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4352 if (miclen)
4353 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4354 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4355 // issue the transmit command
4356 memset( &cmd, 0, sizeof( cmd ) );
4357 cmd.cmd = CMD_TRANSMIT;
4358 cmd.parm0 = txFid;
4359 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4360 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4361 return SUCCESS;
4362 }
4363
4364 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4365 {
4366 __le16 fc, payloadLen;
4367 Cmd cmd;
4368 Resp rsp;
4369 int hdrlen;
4370 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4371 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4372 u16 txFid = len;
4373 len >>= 16;
4374
4375 fc = *(__le16*)pPacket;
4376 hdrlen = header_len(fc);
4377
4378 if (len < hdrlen) {
4379 airo_print_warn(ai->dev->name, "Short packet %d", len);
4380 return ERROR;
4381 }
4382
4383 /* packet is 802.11 header + payload
4384 * write the payload length and dst/src/payload */
4385 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4386 /* The 802.11 header aren't counted as part of the payload, so
4387 * we have to subtract the header bytes off */
4388 payloadLen = cpu_to_le16(len-hdrlen);
4389 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4390 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4391 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4392 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4393
4394 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4395 // issue the transmit command
4396 memset( &cmd, 0, sizeof( cmd ) );
4397 cmd.cmd = CMD_TRANSMIT;
4398 cmd.parm0 = txFid;
4399 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4400 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4401 return SUCCESS;
4402 }
4403
4404 /*
4405 * This is the proc_fs routines. It is a bit messier than I would
4406 * like! Feel free to clean it up!
4407 */
4408
4409 static ssize_t proc_read( struct file *file,
4410 char __user *buffer,
4411 size_t len,
4412 loff_t *offset);
4413
4414 static ssize_t proc_write( struct file *file,
4415 const char __user *buffer,
4416 size_t len,
4417 loff_t *offset );
4418 static int proc_close( struct inode *inode, struct file *file );
4419
4420 static int proc_stats_open( struct inode *inode, struct file *file );
4421 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4422 static int proc_status_open( struct inode *inode, struct file *file );
4423 static int proc_SSID_open( struct inode *inode, struct file *file );
4424 static int proc_APList_open( struct inode *inode, struct file *file );
4425 static int proc_BSSList_open( struct inode *inode, struct file *file );
4426 static int proc_config_open( struct inode *inode, struct file *file );
4427 static int proc_wepkey_open( struct inode *inode, struct file *file );
4428
4429 static const struct file_operations proc_statsdelta_ops = {
4430 .owner = THIS_MODULE,
4431 .read = proc_read,
4432 .open = proc_statsdelta_open,
4433 .release = proc_close
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 };
4442
4443 static const struct file_operations proc_status_ops = {
4444 .owner = THIS_MODULE,
4445 .read = proc_read,
4446 .open = proc_status_open,
4447 .release = proc_close
4448 };
4449
4450 static const struct file_operations proc_SSID_ops = {
4451 .owner = THIS_MODULE,
4452 .read = proc_read,
4453 .write = proc_write,
4454 .open = proc_SSID_open,
4455 .release = proc_close
4456 };
4457
4458 static const struct file_operations proc_BSSList_ops = {
4459 .owner = THIS_MODULE,
4460 .read = proc_read,
4461 .write = proc_write,
4462 .open = proc_BSSList_open,
4463 .release = proc_close
4464 };
4465
4466 static const struct file_operations proc_APList_ops = {
4467 .owner = THIS_MODULE,
4468 .read = proc_read,
4469 .write = proc_write,
4470 .open = proc_APList_open,
4471 .release = proc_close
4472 };
4473
4474 static const struct file_operations proc_config_ops = {
4475 .owner = THIS_MODULE,
4476 .read = proc_read,
4477 .write = proc_write,
4478 .open = proc_config_open,
4479 .release = proc_close
4480 };
4481
4482 static const struct file_operations proc_wepkey_ops = {
4483 .owner = THIS_MODULE,
4484 .read = proc_read,
4485 .write = proc_write,
4486 .open = proc_wepkey_open,
4487 .release = proc_close
4488 };
4489
4490 static struct proc_dir_entry *airo_entry;
4491
4492 struct proc_data {
4493 int release_buffer;
4494 int readlen;
4495 char *rbuffer;
4496 int writelen;
4497 int maxwritelen;
4498 char *wbuffer;
4499 void (*on_close) (struct inode *, struct file *);
4500 };
4501
4502 static int setup_proc_entry( struct net_device *dev,
4503 struct airo_info *apriv ) {
4504 struct proc_dir_entry *entry;
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
4507 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4508 S_IFDIR|airo_perm,
4509 airo_entry);
4510 if (!apriv->proc_entry)
4511 goto fail;
4512 apriv->proc_entry->uid = proc_uid;
4513 apriv->proc_entry->gid = proc_gid;
4514
4515 /* Setup the StatsDelta */
4516 entry = proc_create_data("StatsDelta",
4517 S_IFREG | (S_IRUGO&proc_perm),
4518 apriv->proc_entry, &proc_statsdelta_ops, dev);
4519 if (!entry)
4520 goto fail_stats_delta;
4521 entry->uid = proc_uid;
4522 entry->gid = proc_gid;
4523
4524 /* Setup the Stats */
4525 entry = proc_create_data("Stats",
4526 S_IFREG | (S_IRUGO&proc_perm),
4527 apriv->proc_entry, &proc_stats_ops, dev);
4528 if (!entry)
4529 goto fail_stats;
4530 entry->uid = proc_uid;
4531 entry->gid = proc_gid;
4532
4533 /* Setup the Status */
4534 entry = proc_create_data("Status",
4535 S_IFREG | (S_IRUGO&proc_perm),
4536 apriv->proc_entry, &proc_status_ops, dev);
4537 if (!entry)
4538 goto fail_status;
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
4541
4542 /* Setup the Config */
4543 entry = proc_create_data("Config",
4544 S_IFREG | proc_perm,
4545 apriv->proc_entry, &proc_config_ops, dev);
4546 if (!entry)
4547 goto fail_config;
4548 entry->uid = proc_uid;
4549 entry->gid = proc_gid;
4550
4551 /* Setup the SSID */
4552 entry = proc_create_data("SSID",
4553 S_IFREG | proc_perm,
4554 apriv->proc_entry, &proc_SSID_ops, dev);
4555 if (!entry)
4556 goto fail_ssid;
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
4559
4560 /* Setup the APList */
4561 entry = proc_create_data("APList",
4562 S_IFREG | proc_perm,
4563 apriv->proc_entry, &proc_APList_ops, dev);
4564 if (!entry)
4565 goto fail_aplist;
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
4568
4569 /* Setup the BSSList */
4570 entry = proc_create_data("BSSList",
4571 S_IFREG | proc_perm,
4572 apriv->proc_entry, &proc_BSSList_ops, dev);
4573 if (!entry)
4574 goto fail_bsslist;
4575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
4577
4578 /* Setup the WepKey */
4579 entry = proc_create_data("WepKey",
4580 S_IFREG | proc_perm,
4581 apriv->proc_entry, &proc_wepkey_ops, dev);
4582 if (!entry)
4583 goto fail_wepkey;
4584 entry->uid = proc_uid;
4585 entry->gid = proc_gid;
4586
4587 return 0;
4588
4589 fail_wepkey:
4590 remove_proc_entry("BSSList", apriv->proc_entry);
4591 fail_bsslist:
4592 remove_proc_entry("APList", apriv->proc_entry);
4593 fail_aplist:
4594 remove_proc_entry("SSID", apriv->proc_entry);
4595 fail_ssid:
4596 remove_proc_entry("Config", apriv->proc_entry);
4597 fail_config:
4598 remove_proc_entry("Status", apriv->proc_entry);
4599 fail_status:
4600 remove_proc_entry("Stats", apriv->proc_entry);
4601 fail_stats:
4602 remove_proc_entry("StatsDelta", apriv->proc_entry);
4603 fail_stats_delta:
4604 remove_proc_entry(apriv->proc_name, airo_entry);
4605 fail:
4606 return -ENOMEM;
4607 }
4608
4609 static int takedown_proc_entry( struct net_device *dev,
4610 struct airo_info *apriv ) {
4611 if ( !apriv->proc_entry->namelen ) return 0;
4612 remove_proc_entry("Stats",apriv->proc_entry);
4613 remove_proc_entry("StatsDelta",apriv->proc_entry);
4614 remove_proc_entry("Status",apriv->proc_entry);
4615 remove_proc_entry("Config",apriv->proc_entry);
4616 remove_proc_entry("SSID",apriv->proc_entry);
4617 remove_proc_entry("APList",apriv->proc_entry);
4618 remove_proc_entry("BSSList",apriv->proc_entry);
4619 remove_proc_entry("WepKey",apriv->proc_entry);
4620 remove_proc_entry(apriv->proc_name,airo_entry);
4621 return 0;
4622 }
4623
4624 /*
4625 * What we want from the proc_fs is to be able to efficiently read
4626 * and write the configuration. To do this, we want to read the
4627 * configuration when the file is opened and write it when the file is
4628 * closed. So basically we allocate a read buffer at open and fill it
4629 * with data, and allocate a write buffer and read it at close.
4630 */
4631
4632 /*
4633 * The read routine is generic, it relies on the preallocated rbuffer
4634 * to supply the data.
4635 */
4636 static ssize_t proc_read( struct file *file,
4637 char __user *buffer,
4638 size_t len,
4639 loff_t *offset )
4640 {
4641 struct proc_data *priv = file->private_data;
4642
4643 if (!priv->rbuffer)
4644 return -EINVAL;
4645
4646 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4647 priv->readlen);
4648 }
4649
4650 /*
4651 * The write routine is generic, it fills in a preallocated rbuffer
4652 * to supply the data.
4653 */
4654 static ssize_t proc_write( struct file *file,
4655 const char __user *buffer,
4656 size_t len,
4657 loff_t *offset )
4658 {
4659 loff_t pos = *offset;
4660 struct proc_data *priv = file->private_data;
4661
4662 if (!priv->wbuffer)
4663 return -EINVAL;
4664
4665 if (pos < 0)
4666 return -EINVAL;
4667 if (pos >= priv->maxwritelen)
4668 return 0;
4669 if (len > priv->maxwritelen - pos)
4670 len = priv->maxwritelen - pos;
4671 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4672 return -EFAULT;
4673 if ( pos + len > priv->writelen )
4674 priv->writelen = len + file->f_pos;
4675 *offset = pos + len;
4676 return len;
4677 }
4678
4679 static int proc_status_open(struct inode *inode, struct file *file)
4680 {
4681 struct proc_data *data;
4682 struct proc_dir_entry *dp = PDE(inode);
4683 struct net_device *dev = dp->data;
4684 struct airo_info *apriv = dev->ml_priv;
4685 CapabilityRid cap_rid;
4686 StatusRid status_rid;
4687 u16 mode;
4688 int i;
4689
4690 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4691 return -ENOMEM;
4692 data = file->private_data;
4693 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4694 kfree (file->private_data);
4695 return -ENOMEM;
4696 }
4697
4698 readStatusRid(apriv, &status_rid, 1);
4699 readCapabilityRid(apriv, &cap_rid, 1);
4700
4701 mode = le16_to_cpu(status_rid.mode);
4702
4703 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4704 mode & 1 ? "CFG ": "",
4705 mode & 2 ? "ACT ": "",
4706 mode & 0x10 ? "SYN ": "",
4707 mode & 0x20 ? "LNK ": "",
4708 mode & 0x40 ? "LEAP ": "",
4709 mode & 0x80 ? "PRIV ": "",
4710 mode & 0x100 ? "KEY ": "",
4711 mode & 0x200 ? "WEP ": "",
4712 mode & 0x8000 ? "ERR ": "");
4713 sprintf( data->rbuffer+i, "Mode: %x\n"
4714 "Signal Strength: %d\n"
4715 "Signal Quality: %d\n"
4716 "SSID: %-.*s\n"
4717 "AP: %-.16s\n"
4718 "Freq: %d\n"
4719 "BitRate: %dmbs\n"
4720 "Driver Version: %s\n"
4721 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4722 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4723 "Software Version: %x\nSoftware Subversion: %x\n"
4724 "Boot block version: %x\n",
4725 le16_to_cpu(status_rid.mode),
4726 le16_to_cpu(status_rid.normalizedSignalStrength),
4727 le16_to_cpu(status_rid.signalQuality),
4728 le16_to_cpu(status_rid.SSIDlen),
4729 status_rid.SSID,
4730 status_rid.apName,
4731 le16_to_cpu(status_rid.channel),
4732 le16_to_cpu(status_rid.currentXmitRate) / 2,
4733 version,
4734 cap_rid.prodName,
4735 cap_rid.manName,
4736 cap_rid.prodVer,
4737 le16_to_cpu(cap_rid.radioType),
4738 le16_to_cpu(cap_rid.country),
4739 le16_to_cpu(cap_rid.hardVer),
4740 le16_to_cpu(cap_rid.softVer),
4741 le16_to_cpu(cap_rid.softSubVer),
4742 le16_to_cpu(cap_rid.bootBlockVer));
4743 data->readlen = strlen( data->rbuffer );
4744 return 0;
4745 }
4746
4747 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4748 static int proc_statsdelta_open( struct inode *inode,
4749 struct file *file ) {
4750 if (file->f_mode&FMODE_WRITE) {
4751 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4752 }
4753 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4754 }
4755
4756 static int proc_stats_open( struct inode *inode, struct file *file ) {
4757 return proc_stats_rid_open(inode, file, RID_STATS);
4758 }
4759
4760 static int proc_stats_rid_open( struct inode *inode,
4761 struct file *file,
4762 u16 rid )
4763 {
4764 struct proc_data *data;
4765 struct proc_dir_entry *dp = PDE(inode);
4766 struct net_device *dev = dp->data;
4767 struct airo_info *apriv = dev->ml_priv;
4768 StatsRid stats;
4769 int i, j;
4770 __le32 *vals = stats.vals;
4771 int len;
4772
4773 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4774 return -ENOMEM;
4775 data = file->private_data;
4776 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4777 kfree (file->private_data);
4778 return -ENOMEM;
4779 }
4780
4781 readStatsRid(apriv, &stats, rid, 1);
4782 len = le16_to_cpu(stats.len);
4783
4784 j = 0;
4785 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4786 if (!statsLabels[i]) continue;
4787 if (j+strlen(statsLabels[i])+16>4096) {
4788 airo_print_warn(apriv->dev->name,
4789 "Potentially disasterous buffer overflow averted!");
4790 break;
4791 }
4792 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4793 le32_to_cpu(vals[i]));
4794 }
4795 if (i*4 >= len) {
4796 airo_print_warn(apriv->dev->name, "Got a short rid");
4797 }
4798 data->readlen = j;
4799 return 0;
4800 }
4801
4802 static int get_dec_u16( char *buffer, int *start, int limit ) {
4803 u16 value;
4804 int valid = 0;
4805 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4806 buffer[*start] <= '9'; (*start)++) {
4807 valid = 1;
4808 value *= 10;
4809 value += buffer[*start] - '0';
4810 }
4811 if ( !valid ) return -1;
4812 return value;
4813 }
4814
4815 static int airo_config_commit(struct net_device *dev,
4816 struct iw_request_info *info, void *zwrq,
4817 char *extra);
4818
4819 static inline int sniffing_mode(struct airo_info *ai)
4820 {
4821 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4822 le16_to_cpu(RXMODE_RFMON);
4823 }
4824
4825 static void proc_config_on_close(struct inode *inode, struct file *file)
4826 {
4827 struct proc_data *data = file->private_data;
4828 struct proc_dir_entry *dp = PDE(inode);
4829 struct net_device *dev = dp->data;
4830 struct airo_info *ai = dev->ml_priv;
4831 char *line;
4832
4833 if ( !data->writelen ) return;
4834
4835 readConfigRid(ai, 1);
4836 set_bit (FLAG_COMMIT, &ai->flags);
4837
4838 line = data->wbuffer;
4839 while( line[0] ) {
4840 /*** Mode processing */
4841 if ( !strncmp( line, "Mode: ", 6 ) ) {
4842 line += 6;
4843 if (sniffing_mode(ai))
4844 set_bit (FLAG_RESET, &ai->flags);
4845 ai->config.rmode &= ~RXMODE_FULL_MASK;
4846 clear_bit (FLAG_802_11, &ai->flags);
4847 ai->config.opmode &= ~MODE_CFG_MASK;
4848 ai->config.scanMode = SCANMODE_ACTIVE;
4849 if ( line[0] == 'a' ) {
4850 ai->config.opmode |= MODE_STA_IBSS;
4851 } else {
4852 ai->config.opmode |= MODE_STA_ESS;
4853 if ( line[0] == 'r' ) {
4854 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4855 ai->config.scanMode = SCANMODE_PASSIVE;
4856 set_bit (FLAG_802_11, &ai->flags);
4857 } else if ( line[0] == 'y' ) {
4858 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4859 ai->config.scanMode = SCANMODE_PASSIVE;
4860 set_bit (FLAG_802_11, &ai->flags);
4861 } else if ( line[0] == 'l' )
4862 ai->config.rmode |= RXMODE_LANMON;
4863 }
4864 set_bit (FLAG_COMMIT, &ai->flags);
4865 }
4866
4867 /*** Radio status */
4868 else if (!strncmp(line,"Radio: ", 7)) {
4869 line += 7;
4870 if (!strncmp(line,"off",3)) {
4871 set_bit (FLAG_RADIO_OFF, &ai->flags);
4872 } else {
4873 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4874 }
4875 }
4876 /*** NodeName processing */
4877 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4878 int j;
4879
4880 line += 10;
4881 memset( ai->config.nodeName, 0, 16 );
4882 /* Do the name, assume a space between the mode and node name */
4883 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4884 ai->config.nodeName[j] = line[j];
4885 }
4886 set_bit (FLAG_COMMIT, &ai->flags);
4887 }
4888
4889 /*** PowerMode processing */
4890 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4891 line += 11;
4892 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4893 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "PSP", 3 ) ) {
4896 ai->config.powerSaveMode = POWERSAVE_PSP;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else {
4899 ai->config.powerSaveMode = POWERSAVE_CAM;
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 }
4902 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4903 int v, i = 0, k = 0; /* i is index into line,
4904 k is index to rates */
4905
4906 line += 11;
4907 while((v = get_dec_u16(line, &i, 3))!=-1) {
4908 ai->config.rates[k++] = (u8)v;
4909 line += i + 1;
4910 i = 0;
4911 }
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4914 int v, i = 0;
4915 line += 9;
4916 v = get_dec_u16(line, &i, i+3);
4917 if ( v != -1 ) {
4918 ai->config.channelSet = cpu_to_le16(v);
4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 }
4921 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4922 int v, i = 0;
4923 line += 11;
4924 v = get_dec_u16(line, &i, i+3);
4925 if ( v != -1 ) {
4926 ai->config.txPower = cpu_to_le16(v);
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 }
4929 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4930 line += 5;
4931 switch( line[0] ) {
4932 case 's':
4933 ai->config.authType = AUTH_SHAREDKEY;
4934 break;
4935 case 'e':
4936 ai->config.authType = AUTH_ENCRYPT;
4937 break;
4938 default:
4939 ai->config.authType = AUTH_OPEN;
4940 break;
4941 }
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4944 int v, i = 0;
4945
4946 line += 16;
4947 v = get_dec_u16(line, &i, 3);
4948 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4949 ai->config.longRetryLimit = cpu_to_le16(v);
4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4952 int v, i = 0;
4953
4954 line += 17;
4955 v = get_dec_u16(line, &i, 3);
4956 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4957 ai->config.shortRetryLimit = cpu_to_le16(v);
4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4960 int v, i = 0;
4961
4962 line += 14;
4963 v = get_dec_u16(line, &i, 4);
4964 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4965 ai->config.rtsThres = cpu_to_le16(v);
4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4968 int v, i = 0;
4969
4970 line += 16;
4971 v = get_dec_u16(line, &i, 5);
4972 v = (v<0) ? 0 : v;
4973 ai->config.txLifetime = cpu_to_le16(v);
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4976 int v, i = 0;
4977
4978 line += 16;
4979 v = get_dec_u16(line, &i, 5);
4980 v = (v<0) ? 0 : v;
4981 ai->config.rxLifetime = cpu_to_le16(v);
4982 set_bit (FLAG_COMMIT, &ai->flags);
4983 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4984 ai->config.txDiversity =
4985 (line[13]=='l') ? 1 :
4986 ((line[13]=='r')? 2: 3);
4987 set_bit (FLAG_COMMIT, &ai->flags);
4988 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4989 ai->config.rxDiversity =
4990 (line[13]=='l') ? 1 :
4991 ((line[13]=='r')? 2: 3);
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4994 int v, i = 0;
4995
4996 line += 15;
4997 v = get_dec_u16(line, &i, 4);
4998 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4999 v = v & 0xfffe; /* Make sure its even */
5000 ai->config.fragThresh = cpu_to_le16(v);
5001 set_bit (FLAG_COMMIT, &ai->flags);
5002 } else if (!strncmp(line, "Modulation: ", 12)) {
5003 line += 12;
5004 switch(*line) {
5005 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5006 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5007 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5008 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5009 }
5010 } else if (!strncmp(line, "Preamble: ", 10)) {
5011 line += 10;
5012 switch(*line) {
5013 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5014 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5015 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5016 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5017 }
5018 } else {
5019 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5020 }
5021 while( line[0] && line[0] != '\n' ) line++;
5022 if ( line[0] ) line++;
5023 }
5024 airo_config_commit(dev, NULL, NULL, NULL);
5025 }
5026
5027 static char *get_rmode(__le16 mode)
5028 {
5029 switch(mode & RXMODE_MASK) {
5030 case RXMODE_RFMON: return "rfmon";
5031 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5032 case RXMODE_LANMON: return "lanmon";
5033 }
5034 return "ESS";
5035 }
5036
5037 static int proc_config_open(struct inode *inode, struct file *file)
5038 {
5039 struct proc_data *data;
5040 struct proc_dir_entry *dp = PDE(inode);
5041 struct net_device *dev = dp->data;
5042 struct airo_info *ai = dev->ml_priv;
5043 int i;
5044 __le16 mode;
5045
5046 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5047 return -ENOMEM;
5048 data = file->private_data;
5049 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5050 kfree (file->private_data);
5051 return -ENOMEM;
5052 }
5053 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5054 kfree (data->rbuffer);
5055 kfree (file->private_data);
5056 return -ENOMEM;
5057 }
5058 data->maxwritelen = 2048;
5059 data->on_close = proc_config_on_close;
5060
5061 readConfigRid(ai, 1);
5062
5063 mode = ai->config.opmode & MODE_CFG_MASK;
5064 i = sprintf( data->rbuffer,
5065 "Mode: %s\n"
5066 "Radio: %s\n"
5067 "NodeName: %-16s\n"
5068 "PowerMode: %s\n"
5069 "DataRates: %d %d %d %d %d %d %d %d\n"
5070 "Channel: %d\n"
5071 "XmitPower: %d\n",
5072 mode == MODE_STA_IBSS ? "adhoc" :
5073 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5074 mode == MODE_AP ? "AP" :
5075 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5076 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5077 ai->config.nodeName,
5078 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5079 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5080 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5081 "Error",
5082 (int)ai->config.rates[0],
5083 (int)ai->config.rates[1],
5084 (int)ai->config.rates[2],
5085 (int)ai->config.rates[3],
5086 (int)ai->config.rates[4],
5087 (int)ai->config.rates[5],
5088 (int)ai->config.rates[6],
5089 (int)ai->config.rates[7],
5090 le16_to_cpu(ai->config.channelSet),
5091 le16_to_cpu(ai->config.txPower)
5092 );
5093 sprintf( data->rbuffer + i,
5094 "LongRetryLimit: %d\n"
5095 "ShortRetryLimit: %d\n"
5096 "RTSThreshold: %d\n"
5097 "TXMSDULifetime: %d\n"
5098 "RXMSDULifetime: %d\n"
5099 "TXDiversity: %s\n"
5100 "RXDiversity: %s\n"
5101 "FragThreshold: %d\n"
5102 "WEP: %s\n"
5103 "Modulation: %s\n"
5104 "Preamble: %s\n",
5105 le16_to_cpu(ai->config.longRetryLimit),
5106 le16_to_cpu(ai->config.shortRetryLimit),
5107 le16_to_cpu(ai->config.rtsThres),
5108 le16_to_cpu(ai->config.txLifetime),
5109 le16_to_cpu(ai->config.rxLifetime),
5110 ai->config.txDiversity == 1 ? "left" :
5111 ai->config.txDiversity == 2 ? "right" : "both",
5112 ai->config.rxDiversity == 1 ? "left" :
5113 ai->config.rxDiversity == 2 ? "right" : "both",
5114 le16_to_cpu(ai->config.fragThresh),
5115 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5116 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5117 ai->config.modulation == MOD_DEFAULT ? "default" :
5118 ai->config.modulation == MOD_CCK ? "cck" :
5119 ai->config.modulation == MOD_MOK ? "mok" : "error",
5120 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5121 ai->config.preamble == PREAMBLE_LONG ? "long" :
5122 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5123 );
5124 data->readlen = strlen( data->rbuffer );
5125 return 0;
5126 }
5127
5128 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5129 {
5130 struct proc_data *data = file->private_data;
5131 struct proc_dir_entry *dp = PDE(inode);
5132 struct net_device *dev = dp->data;
5133 struct airo_info *ai = dev->ml_priv;
5134 SsidRid SSID_rid;
5135 int i;
5136 char *p = data->wbuffer;
5137 char *end = p + data->writelen;
5138
5139 if (!data->writelen)
5140 return;
5141
5142 *end = '\n'; /* sentinel; we have space for it */
5143
5144 memset(&SSID_rid, 0, sizeof(SSID_rid));
5145
5146 for (i = 0; i < 3 && p < end; i++) {
5147 int j = 0;
5148 /* copy up to 32 characters from this line */
5149 while (*p != '\n' && j < 32)
5150 SSID_rid.ssids[i].ssid[j++] = *p++;
5151 if (j == 0)
5152 break;
5153 SSID_rid.ssids[i].len = cpu_to_le16(j);
5154 /* skip to the beginning of the next line */
5155 while (*p++ != '\n')
5156 ;
5157 }
5158 if (i)
5159 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5160 disable_MAC(ai, 1);
5161 writeSsidRid(ai, &SSID_rid, 1);
5162 enable_MAC(ai, 1);
5163 }
5164
5165 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5166 struct proc_data *data = file->private_data;
5167 struct proc_dir_entry *dp = PDE(inode);
5168 struct net_device *dev = dp->data;
5169 struct airo_info *ai = dev->ml_priv;
5170 APListRid APList_rid;
5171 int i;
5172
5173 if ( !data->writelen ) return;
5174
5175 memset( &APList_rid, 0, sizeof(APList_rid) );
5176 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5177
5178 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5179 int j;
5180 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5181 switch(j%3) {
5182 case 0:
5183 APList_rid.ap[i][j/3]=
5184 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5185 break;
5186 case 1:
5187 APList_rid.ap[i][j/3]|=
5188 hex_to_bin(data->wbuffer[j+i*6*3]);
5189 break;
5190 }
5191 }
5192 }
5193 disable_MAC(ai, 1);
5194 writeAPListRid(ai, &APList_rid, 1);
5195 enable_MAC(ai, 1);
5196 }
5197
5198 /* This function wraps PC4500_writerid with a MAC disable */
5199 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5200 int len, int dummy ) {
5201 int rc;
5202
5203 disable_MAC(ai, 1);
5204 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5205 enable_MAC(ai, 1);
5206 return rc;
5207 }
5208
5209 /* Returns the WEP key at the specified index, or -1 if that key does
5210 * not exist. The buffer is assumed to be at least 16 bytes in length.
5211 */
5212 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5213 {
5214 WepKeyRid wkr;
5215 int rc;
5216 __le16 lastindex;
5217
5218 rc = readWepKeyRid(ai, &wkr, 1, 1);
5219 if (rc != SUCCESS)
5220 return -1;
5221 do {
5222 lastindex = wkr.kindex;
5223 if (le16_to_cpu(wkr.kindex) == index) {
5224 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5225 memcpy(buf, wkr.key, klen);
5226 return klen;
5227 }
5228 rc = readWepKeyRid(ai, &wkr, 0, 1);
5229 if (rc != SUCCESS)
5230 return -1;
5231 } while (lastindex != wkr.kindex);
5232 return -1;
5233 }
5234
5235 static int get_wep_tx_idx(struct airo_info *ai)
5236 {
5237 WepKeyRid wkr;
5238 int rc;
5239 __le16 lastindex;
5240
5241 rc = readWepKeyRid(ai, &wkr, 1, 1);
5242 if (rc != SUCCESS)
5243 return -1;
5244 do {
5245 lastindex = wkr.kindex;
5246 if (wkr.kindex == cpu_to_le16(0xffff))
5247 return wkr.mac[0];
5248 rc = readWepKeyRid(ai, &wkr, 0, 1);
5249 if (rc != SUCCESS)
5250 return -1;
5251 } while (lastindex != wkr.kindex);
5252 return -1;
5253 }
5254
5255 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5256 u16 keylen, int perm, int lock)
5257 {
5258 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5259 WepKeyRid wkr;
5260 int rc;
5261
5262 if (WARN_ON(keylen == 0))
5263 return -1;
5264
5265 memset(&wkr, 0, sizeof(wkr));
5266 wkr.len = cpu_to_le16(sizeof(wkr));
5267 wkr.kindex = cpu_to_le16(index);
5268 wkr.klen = cpu_to_le16(keylen);
5269 memcpy(wkr.key, key, keylen);
5270 memcpy(wkr.mac, macaddr, ETH_ALEN);
5271
5272 if (perm) disable_MAC(ai, lock);
5273 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5274 if (perm) enable_MAC(ai, lock);
5275 return rc;
5276 }
5277
5278 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5279 {
5280 WepKeyRid wkr;
5281 int rc;
5282
5283 memset(&wkr, 0, sizeof(wkr));
5284 wkr.len = cpu_to_le16(sizeof(wkr));
5285 wkr.kindex = cpu_to_le16(0xffff);
5286 wkr.mac[0] = (char)index;
5287
5288 if (perm) {
5289 ai->defindex = (char)index;
5290 disable_MAC(ai, lock);
5291 }
5292
5293 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5294
5295 if (perm)
5296 enable_MAC(ai, lock);
5297 return rc;
5298 }
5299
5300 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5301 struct proc_data *data;
5302 struct proc_dir_entry *dp = PDE(inode);
5303 struct net_device *dev = dp->data;
5304 struct airo_info *ai = dev->ml_priv;
5305 int i, rc;
5306 char key[16];
5307 u16 index = 0;
5308 int j = 0;
5309
5310 memset(key, 0, sizeof(key));
5311
5312 data = file->private_data;
5313 if ( !data->writelen ) return;
5314
5315 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5316 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5317 index = data->wbuffer[0] - '0';
5318 if (data->wbuffer[1] == '\n') {
5319 rc = set_wep_tx_idx(ai, index, 1, 1);
5320 if (rc < 0) {
5321 airo_print_err(ai->dev->name, "failed to set "
5322 "WEP transmit index to %d: %d.",
5323 index, rc);
5324 }
5325 return;
5326 }
5327 j = 2;
5328 } else {
5329 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5330 return;
5331 }
5332
5333 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5334 switch(i%3) {
5335 case 0:
5336 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5337 break;
5338 case 1:
5339 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5340 break;
5341 }
5342 }
5343
5344 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5345 if (rc < 0) {
5346 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5347 "%d: %d.", index, rc);
5348 }
5349 }
5350
5351 static int proc_wepkey_open( struct inode *inode, struct file *file )
5352 {
5353 struct proc_data *data;
5354 struct proc_dir_entry *dp = PDE(inode);
5355 struct net_device *dev = dp->data;
5356 struct airo_info *ai = dev->ml_priv;
5357 char *ptr;
5358 WepKeyRid wkr;
5359 __le16 lastindex;
5360 int j=0;
5361 int rc;
5362
5363 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5364 return -ENOMEM;
5365 memset(&wkr, 0, sizeof(wkr));
5366 data = file->private_data;
5367 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5368 kfree (file->private_data);
5369 return -ENOMEM;
5370 }
5371 data->writelen = 0;
5372 data->maxwritelen = 80;
5373 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5374 kfree (data->rbuffer);
5375 kfree (file->private_data);
5376 return -ENOMEM;
5377 }
5378 data->on_close = proc_wepkey_on_close;
5379
5380 ptr = data->rbuffer;
5381 strcpy(ptr, "No wep keys\n");
5382 rc = readWepKeyRid(ai, &wkr, 1, 1);
5383 if (rc == SUCCESS) do {
5384 lastindex = wkr.kindex;
5385 if (wkr.kindex == cpu_to_le16(0xffff)) {
5386 j += sprintf(ptr+j, "Tx key = %d\n",
5387 (int)wkr.mac[0]);
5388 } else {
5389 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5390 le16_to_cpu(wkr.kindex),
5391 le16_to_cpu(wkr.klen));
5392 }
5393 readWepKeyRid(ai, &wkr, 0, 1);
5394 } while((lastindex != wkr.kindex) && (j < 180-30));
5395
5396 data->readlen = strlen( data->rbuffer );
5397 return 0;
5398 }
5399
5400 static int proc_SSID_open(struct inode *inode, struct file *file)
5401 {
5402 struct proc_data *data;
5403 struct proc_dir_entry *dp = PDE(inode);
5404 struct net_device *dev = dp->data;
5405 struct airo_info *ai = dev->ml_priv;
5406 int i;
5407 char *ptr;
5408 SsidRid SSID_rid;
5409
5410 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5411 return -ENOMEM;
5412 data = file->private_data;
5413 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5414 kfree (file->private_data);
5415 return -ENOMEM;
5416 }
5417 data->writelen = 0;
5418 data->maxwritelen = 33*3;
5419 /* allocate maxwritelen + 1; we'll want a sentinel */
5420 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5421 kfree (data->rbuffer);
5422 kfree (file->private_data);
5423 return -ENOMEM;
5424 }
5425 data->on_close = proc_SSID_on_close;
5426
5427 readSsidRid(ai, &SSID_rid);
5428 ptr = data->rbuffer;
5429 for (i = 0; i < 3; i++) {
5430 int j;
5431 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5432 if (!len)
5433 break;
5434 if (len > 32)
5435 len = 32;
5436 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5437 *ptr++ = SSID_rid.ssids[i].ssid[j];
5438 *ptr++ = '\n';
5439 }
5440 *ptr = '\0';
5441 data->readlen = strlen( data->rbuffer );
5442 return 0;
5443 }
5444
5445 static int proc_APList_open( struct inode *inode, struct file *file ) {
5446 struct proc_data *data;
5447 struct proc_dir_entry *dp = PDE(inode);
5448 struct net_device *dev = dp->data;
5449 struct airo_info *ai = dev->ml_priv;
5450 int i;
5451 char *ptr;
5452 APListRid APList_rid;
5453
5454 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5455 return -ENOMEM;
5456 data = file->private_data;
5457 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5458 kfree (file->private_data);
5459 return -ENOMEM;
5460 }
5461 data->writelen = 0;
5462 data->maxwritelen = 4*6*3;
5463 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5464 kfree (data->rbuffer);
5465 kfree (file->private_data);
5466 return -ENOMEM;
5467 }
5468 data->on_close = proc_APList_on_close;
5469
5470 readAPListRid(ai, &APList_rid);
5471 ptr = data->rbuffer;
5472 for( i = 0; i < 4; i++ ) {
5473 // We end when we find a zero MAC
5474 if ( !*(int*)APList_rid.ap[i] &&
5475 !*(int*)&APList_rid.ap[i][2]) break;
5476 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5477 }
5478 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5479
5480 *ptr = '\0';
5481 data->readlen = strlen( data->rbuffer );
5482 return 0;
5483 }
5484
5485 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5486 struct proc_data *data;
5487 struct proc_dir_entry *dp = PDE(inode);
5488 struct net_device *dev = dp->data;
5489 struct airo_info *ai = dev->ml_priv;
5490 char *ptr;
5491 BSSListRid BSSList_rid;
5492 int rc;
5493 /* If doLoseSync is not 1, we won't do a Lose Sync */
5494 int doLoseSync = -1;
5495
5496 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5497 return -ENOMEM;
5498 data = file->private_data;
5499 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5500 kfree (file->private_data);
5501 return -ENOMEM;
5502 }
5503 data->writelen = 0;
5504 data->maxwritelen = 0;
5505 data->wbuffer = NULL;
5506 data->on_close = NULL;
5507
5508 if (file->f_mode & FMODE_WRITE) {
5509 if (!(file->f_mode & FMODE_READ)) {
5510 Cmd cmd;
5511 Resp rsp;
5512
5513 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5514 memset(&cmd, 0, sizeof(cmd));
5515 cmd.cmd=CMD_LISTBSS;
5516 if (down_interruptible(&ai->sem))
5517 return -ERESTARTSYS;
5518 issuecommand(ai, &cmd, &rsp);
5519 up(&ai->sem);
5520 data->readlen = 0;
5521 return 0;
5522 }
5523 doLoseSync = 1;
5524 }
5525 ptr = data->rbuffer;
5526 /* There is a race condition here if there are concurrent opens.
5527 Since it is a rare condition, we'll just live with it, otherwise
5528 we have to add a spin lock... */
5529 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5530 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5531 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5532 BSSList_rid.bssid,
5533 (int)BSSList_rid.ssidLen,
5534 BSSList_rid.ssid,
5535 le16_to_cpu(BSSList_rid.dBm));
5536 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5537 le16_to_cpu(BSSList_rid.dsChannel),
5538 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5539 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5540 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5541 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5542 rc = readBSSListRid(ai, 0, &BSSList_rid);
5543 }
5544 *ptr = '\0';
5545 data->readlen = strlen( data->rbuffer );
5546 return 0;
5547 }
5548
5549 static int proc_close( struct inode *inode, struct file *file )
5550 {
5551 struct proc_data *data = file->private_data;
5552
5553 if (data->on_close != NULL)
5554 data->on_close(inode, file);
5555 kfree(data->rbuffer);
5556 kfree(data->wbuffer);
5557 kfree(data);
5558 return 0;
5559 }
5560
5561 /* Since the card doesn't automatically switch to the right WEP mode,
5562 we will make it do it. If the card isn't associated, every secs we
5563 will switch WEP modes to see if that will help. If the card is
5564 associated we will check every minute to see if anything has
5565 changed. */
5566 static void timer_func( struct net_device *dev ) {
5567 struct airo_info *apriv = dev->ml_priv;
5568
5569 /* We don't have a link so try changing the authtype */
5570 readConfigRid(apriv, 0);
5571 disable_MAC(apriv, 0);
5572 switch(apriv->config.authType) {
5573 case AUTH_ENCRYPT:
5574 /* So drop to OPEN */
5575 apriv->config.authType = AUTH_OPEN;
5576 break;
5577 case AUTH_SHAREDKEY:
5578 if (apriv->keyindex < auto_wep) {
5579 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5580 apriv->config.authType = AUTH_SHAREDKEY;
5581 apriv->keyindex++;
5582 } else {
5583 /* Drop to ENCRYPT */
5584 apriv->keyindex = 0;
5585 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5586 apriv->config.authType = AUTH_ENCRYPT;
5587 }
5588 break;
5589 default: /* We'll escalate to SHAREDKEY */
5590 apriv->config.authType = AUTH_SHAREDKEY;
5591 }
5592 set_bit (FLAG_COMMIT, &apriv->flags);
5593 writeConfigRid(apriv, 0);
5594 enable_MAC(apriv, 0);
5595 up(&apriv->sem);
5596
5597 /* Schedule check to see if the change worked */
5598 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5599 apriv->expires = RUN_AT(HZ*3);
5600 }
5601
5602 #ifdef CONFIG_PCI
5603 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5604 const struct pci_device_id *pent)
5605 {
5606 struct net_device *dev;
5607
5608 if (pci_enable_device(pdev))
5609 return -ENODEV;
5610 pci_set_master(pdev);
5611
5612 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5613 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5614 else
5615 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5616 if (!dev) {
5617 pci_disable_device(pdev);
5618 return -ENODEV;
5619 }
5620
5621 pci_set_drvdata(pdev, dev);
5622 return 0;
5623 }
5624
5625 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5626 {
5627 struct net_device *dev = pci_get_drvdata(pdev);
5628
5629 airo_print_info(dev->name, "Unregistering...");
5630 stop_airo_card(dev, 1);
5631 pci_disable_device(pdev);
5632 pci_set_drvdata(pdev, NULL);
5633 }
5634
5635 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5636 {
5637 struct net_device *dev = pci_get_drvdata(pdev);
5638 struct airo_info *ai = dev->ml_priv;
5639 Cmd cmd;
5640 Resp rsp;
5641
5642 if (!ai->APList)
5643 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5644 if (!ai->APList)
5645 return -ENOMEM;
5646 if (!ai->SSID)
5647 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5648 if (!ai->SSID)
5649 return -ENOMEM;
5650 readAPListRid(ai, ai->APList);
5651 readSsidRid(ai, ai->SSID);
5652 memset(&cmd, 0, sizeof(cmd));
5653 /* the lock will be released at the end of the resume callback */
5654 if (down_interruptible(&ai->sem))
5655 return -EAGAIN;
5656 disable_MAC(ai, 0);
5657 netif_device_detach(dev);
5658 ai->power = state;
5659 cmd.cmd = HOSTSLEEP;
5660 issuecommand(ai, &cmd, &rsp);
5661
5662 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5663 pci_save_state(pdev);
5664 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5665 return 0;
5666 }
5667
5668 static int airo_pci_resume(struct pci_dev *pdev)
5669 {
5670 struct net_device *dev = pci_get_drvdata(pdev);
5671 struct airo_info *ai = dev->ml_priv;
5672 pci_power_t prev_state = pdev->current_state;
5673
5674 pci_set_power_state(pdev, PCI_D0);
5675 pci_restore_state(pdev);
5676 pci_enable_wake(pdev, PCI_D0, 0);
5677
5678 if (prev_state != PCI_D1) {
5679 reset_card(dev, 0);
5680 mpi_init_descriptors(ai);
5681 setup_card(ai, dev->dev_addr, 0);
5682 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5683 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5684 } else {
5685 OUT4500(ai, EVACK, EV_AWAKEN);
5686 OUT4500(ai, EVACK, EV_AWAKEN);
5687 msleep(100);
5688 }
5689
5690 set_bit(FLAG_COMMIT, &ai->flags);
5691 disable_MAC(ai, 0);
5692 msleep(200);
5693 if (ai->SSID) {
5694 writeSsidRid(ai, ai->SSID, 0);
5695 kfree(ai->SSID);
5696 ai->SSID = NULL;
5697 }
5698 if (ai->APList) {
5699 writeAPListRid(ai, ai->APList, 0);
5700 kfree(ai->APList);
5701 ai->APList = NULL;
5702 }
5703 writeConfigRid(ai, 0);
5704 enable_MAC(ai, 0);
5705 ai->power = PMSG_ON;
5706 netif_device_attach(dev);
5707 netif_wake_queue(dev);
5708 enable_interrupts(ai);
5709 up(&ai->sem);
5710 return 0;
5711 }
5712 #endif
5713
5714 static int __init airo_init_module( void )
5715 {
5716 int i;
5717
5718 airo_entry = create_proc_entry("driver/aironet",
5719 S_IFDIR | airo_perm,
5720 NULL);
5721
5722 if (airo_entry) {
5723 airo_entry->uid = proc_uid;
5724 airo_entry->gid = proc_gid;
5725 }
5726
5727 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5728 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5729 "io=0x%x", irq[i], io[i] );
5730 if (init_airo_card( irq[i], io[i], 0, NULL ))
5731 /* do nothing */ ;
5732 }
5733
5734 #ifdef CONFIG_PCI
5735 airo_print_info("", "Probing for PCI adapters");
5736 i = pci_register_driver(&airo_driver);
5737 airo_print_info("", "Finished probing for PCI adapters");
5738
5739 if (i) {
5740 remove_proc_entry("driver/aironet", NULL);
5741 return i;
5742 }
5743 #endif
5744
5745 /* Always exit with success, as we are a library module
5746 * as well as a driver module
5747 */
5748 return 0;
5749 }
5750
5751 static void __exit airo_cleanup_module( void )
5752 {
5753 struct airo_info *ai;
5754 while(!list_empty(&airo_devices)) {
5755 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5756 airo_print_info(ai->dev->name, "Unregistering...");
5757 stop_airo_card(ai->dev, 1);
5758 }
5759 #ifdef CONFIG_PCI
5760 pci_unregister_driver(&airo_driver);
5761 #endif
5762 remove_proc_entry("driver/aironet", NULL);
5763 }
5764
5765 /*
5766 * Initial Wireless Extension code for Aironet driver by :
5767 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5768 * Conversion to new driver API by :
5769 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5770 * Javier also did a good amount of work here, adding some new extensions
5771 * and fixing my code. Let's just say that without him this code just
5772 * would not work at all... - Jean II
5773 */
5774
5775 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5776 {
5777 if (!rssi_rid)
5778 return 0;
5779
5780 return (0x100 - rssi_rid[rssi].rssidBm);
5781 }
5782
5783 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5784 {
5785 int i;
5786
5787 if (!rssi_rid)
5788 return 0;
5789
5790 for (i = 0; i < 256; i++)
5791 if (rssi_rid[i].rssidBm == dbm)
5792 return rssi_rid[i].rssipct;
5793
5794 return 0;
5795 }
5796
5797
5798 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5799 {
5800 int quality = 0;
5801 u16 sq;
5802
5803 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5804 return 0;
5805
5806 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5807 return 0;
5808
5809 sq = le16_to_cpu(status_rid->signalQuality);
5810 if (memcmp(cap_rid->prodName, "350", 3))
5811 if (sq > 0x20)
5812 quality = 0;
5813 else
5814 quality = 0x20 - sq;
5815 else
5816 if (sq > 0xb0)
5817 quality = 0;
5818 else if (sq < 0x10)
5819 quality = 0xa0;
5820 else
5821 quality = 0xb0 - sq;
5822 return quality;
5823 }
5824
5825 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5826 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5827
5828 /*------------------------------------------------------------------*/
5829 /*
5830 * Wireless Handler : get protocol name
5831 */
5832 static int airo_get_name(struct net_device *dev,
5833 struct iw_request_info *info,
5834 char *cwrq,
5835 char *extra)
5836 {
5837 strcpy(cwrq, "IEEE 802.11-DS");
5838 return 0;
5839 }
5840
5841 /*------------------------------------------------------------------*/
5842 /*
5843 * Wireless Handler : set frequency
5844 */
5845 static int airo_set_freq(struct net_device *dev,
5846 struct iw_request_info *info,
5847 struct iw_freq *fwrq,
5848 char *extra)
5849 {
5850 struct airo_info *local = dev->ml_priv;
5851 int rc = -EINPROGRESS; /* Call commit handler */
5852
5853 /* If setting by frequency, convert to a channel */
5854 if(fwrq->e == 1) {
5855 int f = fwrq->m / 100000;
5856
5857 /* Hack to fall through... */
5858 fwrq->e = 0;
5859 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5860 }
5861 /* Setting by channel number */
5862 if((fwrq->m > 1000) || (fwrq->e > 0))
5863 rc = -EOPNOTSUPP;
5864 else {
5865 int channel = fwrq->m;
5866 /* We should do a better check than that,
5867 * based on the card capability !!! */
5868 if((channel < 1) || (channel > 14)) {
5869 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5870 fwrq->m);
5871 rc = -EINVAL;
5872 } else {
5873 readConfigRid(local, 1);
5874 /* Yes ! We can set it !!! */
5875 local->config.channelSet = cpu_to_le16(channel);
5876 set_bit (FLAG_COMMIT, &local->flags);
5877 }
5878 }
5879 return rc;
5880 }
5881
5882 /*------------------------------------------------------------------*/
5883 /*
5884 * Wireless Handler : get frequency
5885 */
5886 static int airo_get_freq(struct net_device *dev,
5887 struct iw_request_info *info,
5888 struct iw_freq *fwrq,
5889 char *extra)
5890 {
5891 struct airo_info *local = dev->ml_priv;
5892 StatusRid status_rid; /* Card status info */
5893 int ch;
5894
5895 readConfigRid(local, 1);
5896 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5897 status_rid.channel = local->config.channelSet;
5898 else
5899 readStatusRid(local, &status_rid, 1);
5900
5901 ch = le16_to_cpu(status_rid.channel);
5902 if((ch > 0) && (ch < 15)) {
5903 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5904 fwrq->e = 1;
5905 } else {
5906 fwrq->m = ch;
5907 fwrq->e = 0;
5908 }
5909
5910 return 0;
5911 }
5912
5913 /*------------------------------------------------------------------*/
5914 /*
5915 * Wireless Handler : set ESSID
5916 */
5917 static int airo_set_essid(struct net_device *dev,
5918 struct iw_request_info *info,
5919 struct iw_point *dwrq,
5920 char *extra)
5921 {
5922 struct airo_info *local = dev->ml_priv;
5923 SsidRid SSID_rid; /* SSIDs */
5924
5925 /* Reload the list of current SSID */
5926 readSsidRid(local, &SSID_rid);
5927
5928 /* Check if we asked for `any' */
5929 if (dwrq->flags == 0) {
5930 /* Just send an empty SSID list */
5931 memset(&SSID_rid, 0, sizeof(SSID_rid));
5932 } else {
5933 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5934
5935 /* Check the size of the string */
5936 if (dwrq->length > IW_ESSID_MAX_SIZE)
5937 return -E2BIG ;
5938
5939 /* Check if index is valid */
5940 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5941 return -EINVAL;
5942
5943 /* Set the SSID */
5944 memset(SSID_rid.ssids[index].ssid, 0,
5945 sizeof(SSID_rid.ssids[index].ssid));
5946 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5947 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5948 }
5949 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5950 /* Write it to the card */
5951 disable_MAC(local, 1);
5952 writeSsidRid(local, &SSID_rid, 1);
5953 enable_MAC(local, 1);
5954
5955 return 0;
5956 }
5957
5958 /*------------------------------------------------------------------*/
5959 /*
5960 * Wireless Handler : get ESSID
5961 */
5962 static int airo_get_essid(struct net_device *dev,
5963 struct iw_request_info *info,
5964 struct iw_point *dwrq,
5965 char *extra)
5966 {
5967 struct airo_info *local = dev->ml_priv;
5968 StatusRid status_rid; /* Card status info */
5969
5970 readStatusRid(local, &status_rid, 1);
5971
5972 /* Note : if dwrq->flags != 0, we should
5973 * get the relevant SSID from the SSID list... */
5974
5975 /* Get the current SSID */
5976 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5977 /* If none, we may want to get the one that was set */
5978
5979 /* Push it out ! */
5980 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5981 dwrq->flags = 1; /* active */
5982
5983 return 0;
5984 }
5985
5986 /*------------------------------------------------------------------*/
5987 /*
5988 * Wireless Handler : set AP address
5989 */
5990 static int airo_set_wap(struct net_device *dev,
5991 struct iw_request_info *info,
5992 struct sockaddr *awrq,
5993 char *extra)
5994 {
5995 struct airo_info *local = dev->ml_priv;
5996 Cmd cmd;
5997 Resp rsp;
5998 APListRid APList_rid;
5999 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
6000 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
6001
6002 if (awrq->sa_family != ARPHRD_ETHER)
6003 return -EINVAL;
6004 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6005 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6006 memset(&cmd, 0, sizeof(cmd));
6007 cmd.cmd=CMD_LOSE_SYNC;
6008 if (down_interruptible(&local->sem))
6009 return -ERESTARTSYS;
6010 issuecommand(local, &cmd, &rsp);
6011 up(&local->sem);
6012 } else {
6013 memset(&APList_rid, 0, sizeof(APList_rid));
6014 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6015 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6016 disable_MAC(local, 1);
6017 writeAPListRid(local, &APList_rid, 1);
6018 enable_MAC(local, 1);
6019 }
6020 return 0;
6021 }
6022
6023 /*------------------------------------------------------------------*/
6024 /*
6025 * Wireless Handler : get AP address
6026 */
6027 static int airo_get_wap(struct net_device *dev,
6028 struct iw_request_info *info,
6029 struct sockaddr *awrq,
6030 char *extra)
6031 {
6032 struct airo_info *local = dev->ml_priv;
6033 StatusRid status_rid; /* Card status info */
6034
6035 readStatusRid(local, &status_rid, 1);
6036
6037 /* Tentative. This seems to work, wow, I'm lucky !!! */
6038 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6039 awrq->sa_family = ARPHRD_ETHER;
6040
6041 return 0;
6042 }
6043
6044 /*------------------------------------------------------------------*/
6045 /*
6046 * Wireless Handler : set Nickname
6047 */
6048 static int airo_set_nick(struct net_device *dev,
6049 struct iw_request_info *info,
6050 struct iw_point *dwrq,
6051 char *extra)
6052 {
6053 struct airo_info *local = dev->ml_priv;
6054
6055 /* Check the size of the string */
6056 if(dwrq->length > 16) {
6057 return -E2BIG;
6058 }
6059 readConfigRid(local, 1);
6060 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6061 memcpy(local->config.nodeName, extra, dwrq->length);
6062 set_bit (FLAG_COMMIT, &local->flags);
6063
6064 return -EINPROGRESS; /* Call commit handler */
6065 }
6066
6067 /*------------------------------------------------------------------*/
6068 /*
6069 * Wireless Handler : get Nickname
6070 */
6071 static int airo_get_nick(struct net_device *dev,
6072 struct iw_request_info *info,
6073 struct iw_point *dwrq,
6074 char *extra)
6075 {
6076 struct airo_info *local = dev->ml_priv;
6077
6078 readConfigRid(local, 1);
6079 strncpy(extra, local->config.nodeName, 16);
6080 extra[16] = '\0';
6081 dwrq->length = strlen(extra);
6082
6083 return 0;
6084 }
6085
6086 /*------------------------------------------------------------------*/
6087 /*
6088 * Wireless Handler : set Bit-Rate
6089 */
6090 static int airo_set_rate(struct net_device *dev,
6091 struct iw_request_info *info,
6092 struct iw_param *vwrq,
6093 char *extra)
6094 {
6095 struct airo_info *local = dev->ml_priv;
6096 CapabilityRid cap_rid; /* Card capability info */
6097 u8 brate = 0;
6098 int i;
6099
6100 /* First : get a valid bit rate value */
6101 readCapabilityRid(local, &cap_rid, 1);
6102
6103 /* Which type of value ? */
6104 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6105 /* Setting by rate index */
6106 /* Find value in the magic rate table */
6107 brate = cap_rid.supportedRates[vwrq->value];
6108 } else {
6109 /* Setting by frequency value */
6110 u8 normvalue = (u8) (vwrq->value/500000);
6111
6112 /* Check if rate is valid */
6113 for(i = 0 ; i < 8 ; i++) {
6114 if(normvalue == cap_rid.supportedRates[i]) {
6115 brate = normvalue;
6116 break;
6117 }
6118 }
6119 }
6120 /* -1 designed the max rate (mostly auto mode) */
6121 if(vwrq->value == -1) {
6122 /* Get the highest available rate */
6123 for(i = 0 ; i < 8 ; i++) {
6124 if(cap_rid.supportedRates[i] == 0)
6125 break;
6126 }
6127 if(i != 0)
6128 brate = cap_rid.supportedRates[i - 1];
6129 }
6130 /* Check that it is valid */
6131 if(brate == 0) {
6132 return -EINVAL;
6133 }
6134
6135 readConfigRid(local, 1);
6136 /* Now, check if we want a fixed or auto value */
6137 if(vwrq->fixed == 0) {
6138 /* Fill all the rates up to this max rate */
6139 memset(local->config.rates, 0, 8);
6140 for(i = 0 ; i < 8 ; i++) {
6141 local->config.rates[i] = cap_rid.supportedRates[i];
6142 if(local->config.rates[i] == brate)
6143 break;
6144 }
6145 } else {
6146 /* Fixed mode */
6147 /* One rate, fixed */
6148 memset(local->config.rates, 0, 8);
6149 local->config.rates[0] = brate;
6150 }
6151 set_bit (FLAG_COMMIT, &local->flags);
6152
6153 return -EINPROGRESS; /* Call commit handler */
6154 }
6155
6156 /*------------------------------------------------------------------*/
6157 /*
6158 * Wireless Handler : get Bit-Rate
6159 */
6160 static int airo_get_rate(struct net_device *dev,
6161 struct iw_request_info *info,
6162 struct iw_param *vwrq,
6163 char *extra)
6164 {
6165 struct airo_info *local = dev->ml_priv;
6166 StatusRid status_rid; /* Card status info */
6167
6168 readStatusRid(local, &status_rid, 1);
6169
6170 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6171 /* If more than one rate, set auto */
6172 readConfigRid(local, 1);
6173 vwrq->fixed = (local->config.rates[1] == 0);
6174
6175 return 0;
6176 }
6177
6178 /*------------------------------------------------------------------*/
6179 /*
6180 * Wireless Handler : set RTS threshold
6181 */
6182 static int airo_set_rts(struct net_device *dev,
6183 struct iw_request_info *info,
6184 struct iw_param *vwrq,
6185 char *extra)
6186 {
6187 struct airo_info *local = dev->ml_priv;
6188 int rthr = vwrq->value;
6189
6190 if(vwrq->disabled)
6191 rthr = AIRO_DEF_MTU;
6192 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6193 return -EINVAL;
6194 }
6195 readConfigRid(local, 1);
6196 local->config.rtsThres = cpu_to_le16(rthr);
6197 set_bit (FLAG_COMMIT, &local->flags);
6198
6199 return -EINPROGRESS; /* Call commit handler */
6200 }
6201
6202 /*------------------------------------------------------------------*/
6203 /*
6204 * Wireless Handler : get RTS threshold
6205 */
6206 static int airo_get_rts(struct net_device *dev,
6207 struct iw_request_info *info,
6208 struct iw_param *vwrq,
6209 char *extra)
6210 {
6211 struct airo_info *local = dev->ml_priv;
6212
6213 readConfigRid(local, 1);
6214 vwrq->value = le16_to_cpu(local->config.rtsThres);
6215 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6216 vwrq->fixed = 1;
6217
6218 return 0;
6219 }
6220
6221 /*------------------------------------------------------------------*/
6222 /*
6223 * Wireless Handler : set Fragmentation threshold
6224 */
6225 static int airo_set_frag(struct net_device *dev,
6226 struct iw_request_info *info,
6227 struct iw_param *vwrq,
6228 char *extra)
6229 {
6230 struct airo_info *local = dev->ml_priv;
6231 int fthr = vwrq->value;
6232
6233 if(vwrq->disabled)
6234 fthr = AIRO_DEF_MTU;
6235 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6236 return -EINVAL;
6237 }
6238 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6239 readConfigRid(local, 1);
6240 local->config.fragThresh = cpu_to_le16(fthr);
6241 set_bit (FLAG_COMMIT, &local->flags);
6242
6243 return -EINPROGRESS; /* Call commit handler */
6244 }
6245
6246 /*------------------------------------------------------------------*/
6247 /*
6248 * Wireless Handler : get Fragmentation threshold
6249 */
6250 static int airo_get_frag(struct net_device *dev,
6251 struct iw_request_info *info,
6252 struct iw_param *vwrq,
6253 char *extra)
6254 {
6255 struct airo_info *local = dev->ml_priv;
6256
6257 readConfigRid(local, 1);
6258 vwrq->value = le16_to_cpu(local->config.fragThresh);
6259 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6260 vwrq->fixed = 1;
6261
6262 return 0;
6263 }
6264
6265 /*------------------------------------------------------------------*/
6266 /*
6267 * Wireless Handler : set Mode of Operation
6268 */
6269 static int airo_set_mode(struct net_device *dev,
6270 struct iw_request_info *info,
6271 __u32 *uwrq,
6272 char *extra)
6273 {
6274 struct airo_info *local = dev->ml_priv;
6275 int reset = 0;
6276
6277 readConfigRid(local, 1);
6278 if (sniffing_mode(local))
6279 reset = 1;
6280
6281 switch(*uwrq) {
6282 case IW_MODE_ADHOC:
6283 local->config.opmode &= ~MODE_CFG_MASK;
6284 local->config.opmode |= MODE_STA_IBSS;
6285 local->config.rmode &= ~RXMODE_FULL_MASK;
6286 local->config.scanMode = SCANMODE_ACTIVE;
6287 clear_bit (FLAG_802_11, &local->flags);
6288 break;
6289 case IW_MODE_INFRA:
6290 local->config.opmode &= ~MODE_CFG_MASK;
6291 local->config.opmode |= MODE_STA_ESS;
6292 local->config.rmode &= ~RXMODE_FULL_MASK;
6293 local->config.scanMode = SCANMODE_ACTIVE;
6294 clear_bit (FLAG_802_11, &local->flags);
6295 break;
6296 case IW_MODE_MASTER:
6297 local->config.opmode &= ~MODE_CFG_MASK;
6298 local->config.opmode |= MODE_AP;
6299 local->config.rmode &= ~RXMODE_FULL_MASK;
6300 local->config.scanMode = SCANMODE_ACTIVE;
6301 clear_bit (FLAG_802_11, &local->flags);
6302 break;
6303 case IW_MODE_REPEAT:
6304 local->config.opmode &= ~MODE_CFG_MASK;
6305 local->config.opmode |= MODE_AP_RPTR;
6306 local->config.rmode &= ~RXMODE_FULL_MASK;
6307 local->config.scanMode = SCANMODE_ACTIVE;
6308 clear_bit (FLAG_802_11, &local->flags);
6309 break;
6310 case IW_MODE_MONITOR:
6311 local->config.opmode &= ~MODE_CFG_MASK;
6312 local->config.opmode |= MODE_STA_ESS;
6313 local->config.rmode &= ~RXMODE_FULL_MASK;
6314 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6315 local->config.scanMode = SCANMODE_PASSIVE;
6316 set_bit (FLAG_802_11, &local->flags);
6317 break;
6318 default:
6319 return -EINVAL;
6320 }
6321 if (reset)
6322 set_bit (FLAG_RESET, &local->flags);
6323 set_bit (FLAG_COMMIT, &local->flags);
6324
6325 return -EINPROGRESS; /* Call commit handler */
6326 }
6327
6328 /*------------------------------------------------------------------*/
6329 /*
6330 * Wireless Handler : get Mode of Operation
6331 */
6332 static int airo_get_mode(struct net_device *dev,
6333 struct iw_request_info *info,
6334 __u32 *uwrq,
6335 char *extra)
6336 {
6337 struct airo_info *local = dev->ml_priv;
6338
6339 readConfigRid(local, 1);
6340 /* If not managed, assume it's ad-hoc */
6341 switch (local->config.opmode & MODE_CFG_MASK) {
6342 case MODE_STA_ESS:
6343 *uwrq = IW_MODE_INFRA;
6344 break;
6345 case MODE_AP:
6346 *uwrq = IW_MODE_MASTER;
6347 break;
6348 case MODE_AP_RPTR:
6349 *uwrq = IW_MODE_REPEAT;
6350 break;
6351 default:
6352 *uwrq = IW_MODE_ADHOC;
6353 }
6354
6355 return 0;
6356 }
6357
6358 static inline int valid_index(struct airo_info *ai, int index)
6359 {
6360 return (index >= 0) && (index <= ai->max_wep_idx);
6361 }
6362
6363 /*------------------------------------------------------------------*/
6364 /*
6365 * Wireless Handler : set Encryption Key
6366 */
6367 static int airo_set_encode(struct net_device *dev,
6368 struct iw_request_info *info,
6369 struct iw_point *dwrq,
6370 char *extra)
6371 {
6372 struct airo_info *local = dev->ml_priv;
6373 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6374 __le16 currentAuthType = local->config.authType;
6375 int rc = 0;
6376
6377 if (!local->wep_capable)
6378 return -EOPNOTSUPP;
6379
6380 readConfigRid(local, 1);
6381
6382 /* Basic checking: do we have a key to set ?
6383 * Note : with the new API, it's impossible to get a NULL pointer.
6384 * Therefore, we need to check a key size == 0 instead.
6385 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6386 * when no key is present (only change flags), but older versions
6387 * don't do it. - Jean II */
6388 if (dwrq->length > 0) {
6389 wep_key_t key;
6390 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6391 int current_index;
6392
6393 /* Check the size of the key */
6394 if (dwrq->length > MAX_KEY_SIZE) {
6395 return -EINVAL;
6396 }
6397
6398 current_index = get_wep_tx_idx(local);
6399 if (current_index < 0)
6400 current_index = 0;
6401
6402 /* Check the index (none -> use current) */
6403 if (!valid_index(local, index))
6404 index = current_index;
6405
6406 /* Set the length */
6407 if (dwrq->length > MIN_KEY_SIZE)
6408 key.len = MAX_KEY_SIZE;
6409 else
6410 key.len = MIN_KEY_SIZE;
6411 /* Check if the key is not marked as invalid */
6412 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6413 /* Cleanup */
6414 memset(key.key, 0, MAX_KEY_SIZE);
6415 /* Copy the key in the driver */
6416 memcpy(key.key, extra, dwrq->length);
6417 /* Send the key to the card */
6418 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6419 if (rc < 0) {
6420 airo_print_err(local->dev->name, "failed to set"
6421 " WEP key at index %d: %d.",
6422 index, rc);
6423 return rc;
6424 }
6425 }
6426 /* WE specify that if a valid key is set, encryption
6427 * should be enabled (user may turn it off later)
6428 * This is also how "iwconfig ethX key on" works */
6429 if((index == current_index) && (key.len > 0) &&
6430 (local->config.authType == AUTH_OPEN)) {
6431 local->config.authType = AUTH_ENCRYPT;
6432 }
6433 } else {
6434 /* Do we want to just set the transmit key index ? */
6435 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6436 if (valid_index(local, index)) {
6437 rc = set_wep_tx_idx(local, index, perm, 1);
6438 if (rc < 0) {
6439 airo_print_err(local->dev->name, "failed to set"
6440 " WEP transmit index to %d: %d.",
6441 index, rc);
6442 return rc;
6443 }
6444 } else {
6445 /* Don't complain if only change the mode */
6446 if (!(dwrq->flags & IW_ENCODE_MODE))
6447 return -EINVAL;
6448 }
6449 }
6450 /* Read the flags */
6451 if(dwrq->flags & IW_ENCODE_DISABLED)
6452 local->config.authType = AUTH_OPEN; // disable encryption
6453 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6454 local->config.authType = AUTH_SHAREDKEY; // Only Both
6455 if(dwrq->flags & IW_ENCODE_OPEN)
6456 local->config.authType = AUTH_ENCRYPT; // Only Wep
6457 /* Commit the changes to flags if needed */
6458 if (local->config.authType != currentAuthType)
6459 set_bit (FLAG_COMMIT, &local->flags);
6460 return -EINPROGRESS; /* Call commit handler */
6461 }
6462
6463 /*------------------------------------------------------------------*/
6464 /*
6465 * Wireless Handler : get Encryption Key
6466 */
6467 static int airo_get_encode(struct net_device *dev,
6468 struct iw_request_info *info,
6469 struct iw_point *dwrq,
6470 char *extra)
6471 {
6472 struct airo_info *local = dev->ml_priv;
6473 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6474 int wep_key_len;
6475 u8 buf[16];
6476
6477 if (!local->wep_capable)
6478 return -EOPNOTSUPP;
6479
6480 readConfigRid(local, 1);
6481
6482 /* Check encryption mode */
6483 switch(local->config.authType) {
6484 case AUTH_ENCRYPT:
6485 dwrq->flags = IW_ENCODE_OPEN;
6486 break;
6487 case AUTH_SHAREDKEY:
6488 dwrq->flags = IW_ENCODE_RESTRICTED;
6489 break;
6490 default:
6491 case AUTH_OPEN:
6492 dwrq->flags = IW_ENCODE_DISABLED;
6493 break;
6494 }
6495 /* We can't return the key, so set the proper flag and return zero */
6496 dwrq->flags |= IW_ENCODE_NOKEY;
6497 memset(extra, 0, 16);
6498
6499 /* Which key do we want ? -1 -> tx index */
6500 if (!valid_index(local, index)) {
6501 index = get_wep_tx_idx(local);
6502 if (index < 0)
6503 index = 0;
6504 }
6505 dwrq->flags |= index + 1;
6506
6507 /* Copy the key to the user buffer */
6508 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6509 if (wep_key_len < 0) {
6510 dwrq->length = 0;
6511 } else {
6512 dwrq->length = wep_key_len;
6513 memcpy(extra, buf, dwrq->length);
6514 }
6515
6516 return 0;
6517 }
6518
6519 /*------------------------------------------------------------------*/
6520 /*
6521 * Wireless Handler : set extended Encryption parameters
6522 */
6523 static int airo_set_encodeext(struct net_device *dev,
6524 struct iw_request_info *info,
6525 union iwreq_data *wrqu,
6526 char *extra)
6527 {
6528 struct airo_info *local = dev->ml_priv;
6529 struct iw_point *encoding = &wrqu->encoding;
6530 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6531 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6532 __le16 currentAuthType = local->config.authType;
6533 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6534 wep_key_t key;
6535
6536 if (!local->wep_capable)
6537 return -EOPNOTSUPP;
6538
6539 readConfigRid(local, 1);
6540
6541 /* Determine and validate the key index */
6542 idx = encoding->flags & IW_ENCODE_INDEX;
6543 if (idx) {
6544 if (!valid_index(local, idx - 1))
6545 return -EINVAL;
6546 idx--;
6547 } else {
6548 idx = get_wep_tx_idx(local);
6549 if (idx < 0)
6550 idx = 0;
6551 }
6552
6553 if (encoding->flags & IW_ENCODE_DISABLED)
6554 alg = IW_ENCODE_ALG_NONE;
6555
6556 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6557 /* Only set transmit key index here, actual
6558 * key is set below if needed.
6559 */
6560 rc = set_wep_tx_idx(local, idx, perm, 1);
6561 if (rc < 0) {
6562 airo_print_err(local->dev->name, "failed to set "
6563 "WEP transmit index to %d: %d.",
6564 idx, rc);
6565 return rc;
6566 }
6567 set_key = ext->key_len > 0 ? 1 : 0;
6568 }
6569
6570 if (set_key) {
6571 /* Set the requested key first */
6572 memset(key.key, 0, MAX_KEY_SIZE);
6573 switch (alg) {
6574 case IW_ENCODE_ALG_NONE:
6575 key.len = 0;
6576 break;
6577 case IW_ENCODE_ALG_WEP:
6578 if (ext->key_len > MIN_KEY_SIZE) {
6579 key.len = MAX_KEY_SIZE;
6580 } else if (ext->key_len > 0) {
6581 key.len = MIN_KEY_SIZE;
6582 } else {
6583 return -EINVAL;
6584 }
6585 key_len = min (ext->key_len, key.len);
6586 memcpy(key.key, ext->key, key_len);
6587 break;
6588 default:
6589 return -EINVAL;
6590 }
6591 if (key.len == 0) {
6592 rc = set_wep_tx_idx(local, idx, perm, 1);
6593 if (rc < 0) {
6594 airo_print_err(local->dev->name,
6595 "failed to set WEP transmit index to %d: %d.",
6596 idx, rc);
6597 return rc;
6598 }
6599 } else {
6600 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6601 if (rc < 0) {
6602 airo_print_err(local->dev->name,
6603 "failed to set WEP key at index %d: %d.",
6604 idx, rc);
6605 return rc;
6606 }
6607 }
6608 }
6609
6610 /* Read the flags */
6611 if(encoding->flags & IW_ENCODE_DISABLED)
6612 local->config.authType = AUTH_OPEN; // disable encryption
6613 if(encoding->flags & IW_ENCODE_RESTRICTED)
6614 local->config.authType = AUTH_SHAREDKEY; // Only Both
6615 if(encoding->flags & IW_ENCODE_OPEN)
6616 local->config.authType = AUTH_ENCRYPT; // Only Wep
6617 /* Commit the changes to flags if needed */
6618 if (local->config.authType != currentAuthType)
6619 set_bit (FLAG_COMMIT, &local->flags);
6620
6621 return -EINPROGRESS;
6622 }
6623
6624
6625 /*------------------------------------------------------------------*/
6626 /*
6627 * Wireless Handler : get extended Encryption parameters
6628 */
6629 static int airo_get_encodeext(struct net_device *dev,
6630 struct iw_request_info *info,
6631 union iwreq_data *wrqu,
6632 char *extra)
6633 {
6634 struct airo_info *local = dev->ml_priv;
6635 struct iw_point *encoding = &wrqu->encoding;
6636 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6637 int idx, max_key_len, wep_key_len;
6638 u8 buf[16];
6639
6640 if (!local->wep_capable)
6641 return -EOPNOTSUPP;
6642
6643 readConfigRid(local, 1);
6644
6645 max_key_len = encoding->length - sizeof(*ext);
6646 if (max_key_len < 0)
6647 return -EINVAL;
6648
6649 idx = encoding->flags & IW_ENCODE_INDEX;
6650 if (idx) {
6651 if (!valid_index(local, idx - 1))
6652 return -EINVAL;
6653 idx--;
6654 } else {
6655 idx = get_wep_tx_idx(local);
6656 if (idx < 0)
6657 idx = 0;
6658 }
6659
6660 encoding->flags = idx + 1;
6661 memset(ext, 0, sizeof(*ext));
6662
6663 /* Check encryption mode */
6664 switch(local->config.authType) {
6665 case AUTH_ENCRYPT:
6666 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6667 break;
6668 case AUTH_SHAREDKEY:
6669 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6670 break;
6671 default:
6672 case AUTH_OPEN:
6673 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6674 break;
6675 }
6676 /* We can't return the key, so set the proper flag and return zero */
6677 encoding->flags |= IW_ENCODE_NOKEY;
6678 memset(extra, 0, 16);
6679
6680 /* Copy the key to the user buffer */
6681 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6682 if (wep_key_len < 0) {
6683 ext->key_len = 0;
6684 } else {
6685 ext->key_len = wep_key_len;
6686 memcpy(extra, buf, ext->key_len);
6687 }
6688
6689 return 0;
6690 }
6691
6692
6693 /*------------------------------------------------------------------*/
6694 /*
6695 * Wireless Handler : set extended authentication parameters
6696 */
6697 static int airo_set_auth(struct net_device *dev,
6698 struct iw_request_info *info,
6699 union iwreq_data *wrqu, char *extra)
6700 {
6701 struct airo_info *local = dev->ml_priv;
6702 struct iw_param *param = &wrqu->param;
6703 __le16 currentAuthType = local->config.authType;
6704
6705 switch (param->flags & IW_AUTH_INDEX) {
6706 case IW_AUTH_WPA_VERSION:
6707 case IW_AUTH_CIPHER_PAIRWISE:
6708 case IW_AUTH_CIPHER_GROUP:
6709 case IW_AUTH_KEY_MGMT:
6710 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6711 case IW_AUTH_PRIVACY_INVOKED:
6712 /*
6713 * airo does not use these parameters
6714 */
6715 break;
6716
6717 case IW_AUTH_DROP_UNENCRYPTED:
6718 if (param->value) {
6719 /* Only change auth type if unencrypted */
6720 if (currentAuthType == AUTH_OPEN)
6721 local->config.authType = AUTH_ENCRYPT;
6722 } else {
6723 local->config.authType = AUTH_OPEN;
6724 }
6725
6726 /* Commit the changes to flags if needed */
6727 if (local->config.authType != currentAuthType)
6728 set_bit (FLAG_COMMIT, &local->flags);
6729 break;
6730
6731 case IW_AUTH_80211_AUTH_ALG: {
6732 /* FIXME: What about AUTH_OPEN? This API seems to
6733 * disallow setting our auth to AUTH_OPEN.
6734 */
6735 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6736 local->config.authType = AUTH_SHAREDKEY;
6737 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6738 local->config.authType = AUTH_ENCRYPT;
6739 } else
6740 return -EINVAL;
6741
6742 /* Commit the changes to flags if needed */
6743 if (local->config.authType != currentAuthType)
6744 set_bit (FLAG_COMMIT, &local->flags);
6745 break;
6746 }
6747
6748 case IW_AUTH_WPA_ENABLED:
6749 /* Silently accept disable of WPA */
6750 if (param->value > 0)
6751 return -EOPNOTSUPP;
6752 break;
6753
6754 default:
6755 return -EOPNOTSUPP;
6756 }
6757 return -EINPROGRESS;
6758 }
6759
6760
6761 /*------------------------------------------------------------------*/
6762 /*
6763 * Wireless Handler : get extended authentication parameters
6764 */
6765 static int airo_get_auth(struct net_device *dev,
6766 struct iw_request_info *info,
6767 union iwreq_data *wrqu, char *extra)
6768 {
6769 struct airo_info *local = dev->ml_priv;
6770 struct iw_param *param = &wrqu->param;
6771 __le16 currentAuthType = local->config.authType;
6772
6773 switch (param->flags & IW_AUTH_INDEX) {
6774 case IW_AUTH_DROP_UNENCRYPTED:
6775 switch (currentAuthType) {
6776 case AUTH_SHAREDKEY:
6777 case AUTH_ENCRYPT:
6778 param->value = 1;
6779 break;
6780 default:
6781 param->value = 0;
6782 break;
6783 }
6784 break;
6785
6786 case IW_AUTH_80211_AUTH_ALG:
6787 switch (currentAuthType) {
6788 case AUTH_SHAREDKEY:
6789 param->value = IW_AUTH_ALG_SHARED_KEY;
6790 break;
6791 case AUTH_ENCRYPT:
6792 default:
6793 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6794 break;
6795 }
6796 break;
6797
6798 case IW_AUTH_WPA_ENABLED:
6799 param->value = 0;
6800 break;
6801
6802 default:
6803 return -EOPNOTSUPP;
6804 }
6805 return 0;
6806 }
6807
6808
6809 /*------------------------------------------------------------------*/
6810 /*
6811 * Wireless Handler : set Tx-Power
6812 */
6813 static int airo_set_txpow(struct net_device *dev,
6814 struct iw_request_info *info,
6815 struct iw_param *vwrq,
6816 char *extra)
6817 {
6818 struct airo_info *local = dev->ml_priv;
6819 CapabilityRid cap_rid; /* Card capability info */
6820 int i;
6821 int rc = -EINVAL;
6822 __le16 v = cpu_to_le16(vwrq->value);
6823
6824 readCapabilityRid(local, &cap_rid, 1);
6825
6826 if (vwrq->disabled) {
6827 set_bit (FLAG_RADIO_OFF, &local->flags);
6828 set_bit (FLAG_COMMIT, &local->flags);
6829 return -EINPROGRESS; /* Call commit handler */
6830 }
6831 if (vwrq->flags != IW_TXPOW_MWATT) {
6832 return -EINVAL;
6833 }
6834 clear_bit (FLAG_RADIO_OFF, &local->flags);
6835 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6836 if (v == cap_rid.txPowerLevels[i]) {
6837 readConfigRid(local, 1);
6838 local->config.txPower = v;
6839 set_bit (FLAG_COMMIT, &local->flags);
6840 rc = -EINPROGRESS; /* Call commit handler */
6841 break;
6842 }
6843 return rc;
6844 }
6845
6846 /*------------------------------------------------------------------*/
6847 /*
6848 * Wireless Handler : get Tx-Power
6849 */
6850 static int airo_get_txpow(struct net_device *dev,
6851 struct iw_request_info *info,
6852 struct iw_param *vwrq,
6853 char *extra)
6854 {
6855 struct airo_info *local = dev->ml_priv;
6856
6857 readConfigRid(local, 1);
6858 vwrq->value = le16_to_cpu(local->config.txPower);
6859 vwrq->fixed = 1; /* No power control */
6860 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6861 vwrq->flags = IW_TXPOW_MWATT;
6862
6863 return 0;
6864 }
6865
6866 /*------------------------------------------------------------------*/
6867 /*
6868 * Wireless Handler : set Retry limits
6869 */
6870 static int airo_set_retry(struct net_device *dev,
6871 struct iw_request_info *info,
6872 struct iw_param *vwrq,
6873 char *extra)
6874 {
6875 struct airo_info *local = dev->ml_priv;
6876 int rc = -EINVAL;
6877
6878 if(vwrq->disabled) {
6879 return -EINVAL;
6880 }
6881 readConfigRid(local, 1);
6882 if(vwrq->flags & IW_RETRY_LIMIT) {
6883 __le16 v = cpu_to_le16(vwrq->value);
6884 if(vwrq->flags & IW_RETRY_LONG)
6885 local->config.longRetryLimit = v;
6886 else if (vwrq->flags & IW_RETRY_SHORT)
6887 local->config.shortRetryLimit = v;
6888 else {
6889 /* No modifier : set both */
6890 local->config.longRetryLimit = v;
6891 local->config.shortRetryLimit = v;
6892 }
6893 set_bit (FLAG_COMMIT, &local->flags);
6894 rc = -EINPROGRESS; /* Call commit handler */
6895 }
6896 if(vwrq->flags & IW_RETRY_LIFETIME) {
6897 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6898 set_bit (FLAG_COMMIT, &local->flags);
6899 rc = -EINPROGRESS; /* Call commit handler */
6900 }
6901 return rc;
6902 }
6903
6904 /*------------------------------------------------------------------*/
6905 /*
6906 * Wireless Handler : get Retry limits
6907 */
6908 static int airo_get_retry(struct net_device *dev,
6909 struct iw_request_info *info,
6910 struct iw_param *vwrq,
6911 char *extra)
6912 {
6913 struct airo_info *local = dev->ml_priv;
6914
6915 vwrq->disabled = 0; /* Can't be disabled */
6916
6917 readConfigRid(local, 1);
6918 /* Note : by default, display the min retry number */
6919 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6920 vwrq->flags = IW_RETRY_LIFETIME;
6921 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6922 } else if((vwrq->flags & IW_RETRY_LONG)) {
6923 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6924 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6925 } else {
6926 vwrq->flags = IW_RETRY_LIMIT;
6927 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6928 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6929 vwrq->flags |= IW_RETRY_SHORT;
6930 }
6931
6932 return 0;
6933 }
6934
6935 /*------------------------------------------------------------------*/
6936 /*
6937 * Wireless Handler : get range info
6938 */
6939 static int airo_get_range(struct net_device *dev,
6940 struct iw_request_info *info,
6941 struct iw_point *dwrq,
6942 char *extra)
6943 {
6944 struct airo_info *local = dev->ml_priv;
6945 struct iw_range *range = (struct iw_range *) extra;
6946 CapabilityRid cap_rid; /* Card capability info */
6947 int i;
6948 int k;
6949
6950 readCapabilityRid(local, &cap_rid, 1);
6951
6952 dwrq->length = sizeof(struct iw_range);
6953 memset(range, 0, sizeof(*range));
6954 range->min_nwid = 0x0000;
6955 range->max_nwid = 0x0000;
6956 range->num_channels = 14;
6957 /* Should be based on cap_rid.country to give only
6958 * what the current card support */
6959 k = 0;
6960 for(i = 0; i < 14; i++) {
6961 range->freq[k].i = i + 1; /* List index */
6962 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6963 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6964 }
6965 range->num_frequency = k;
6966
6967 range->sensitivity = 65535;
6968
6969 /* Hum... Should put the right values there */
6970 if (local->rssi)
6971 range->max_qual.qual = 100; /* % */
6972 else
6973 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6974 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6975 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6976
6977 /* Experimental measurements - boundary 11/5.5 Mb/s */
6978 /* Note : with or without the (local->rssi), results
6979 * are somewhat different. - Jean II */
6980 if (local->rssi) {
6981 range->avg_qual.qual = 50; /* % */
6982 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6983 } else {
6984 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6985 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6986 }
6987 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6988
6989 for(i = 0 ; i < 8 ; i++) {
6990 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6991 if(range->bitrate[i] == 0)
6992 break;
6993 }
6994 range->num_bitrates = i;
6995
6996 /* Set an indication of the max TCP throughput
6997 * in bit/s that we can expect using this interface.
6998 * May be use for QoS stuff... Jean II */
6999 if(i > 2)
7000 range->throughput = 5000 * 1000;
7001 else
7002 range->throughput = 1500 * 1000;
7003
7004 range->min_rts = 0;
7005 range->max_rts = AIRO_DEF_MTU;
7006 range->min_frag = 256;
7007 range->max_frag = AIRO_DEF_MTU;
7008
7009 if(cap_rid.softCap & cpu_to_le16(2)) {
7010 // WEP: RC4 40 bits
7011 range->encoding_size[0] = 5;
7012 // RC4 ~128 bits
7013 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7014 range->encoding_size[1] = 13;
7015 range->num_encoding_sizes = 2;
7016 } else
7017 range->num_encoding_sizes = 1;
7018 range->max_encoding_tokens =
7019 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7020 } else {
7021 range->num_encoding_sizes = 0;
7022 range->max_encoding_tokens = 0;
7023 }
7024 range->min_pmp = 0;
7025 range->max_pmp = 5000000; /* 5 secs */
7026 range->min_pmt = 0;
7027 range->max_pmt = 65535 * 1024; /* ??? */
7028 range->pmp_flags = IW_POWER_PERIOD;
7029 range->pmt_flags = IW_POWER_TIMEOUT;
7030 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7031
7032 /* Transmit Power - values are in mW */
7033 for(i = 0 ; i < 8 ; i++) {
7034 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7035 if(range->txpower[i] == 0)
7036 break;
7037 }
7038 range->num_txpower = i;
7039 range->txpower_capa = IW_TXPOW_MWATT;
7040 range->we_version_source = 19;
7041 range->we_version_compiled = WIRELESS_EXT;
7042 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7043 range->retry_flags = IW_RETRY_LIMIT;
7044 range->r_time_flags = IW_RETRY_LIFETIME;
7045 range->min_retry = 1;
7046 range->max_retry = 65535;
7047 range->min_r_time = 1024;
7048 range->max_r_time = 65535 * 1024;
7049
7050 /* Event capability (kernel + driver) */
7051 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7052 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7053 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7054 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7055 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7056 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7057 return 0;
7058 }
7059
7060 /*------------------------------------------------------------------*/
7061 /*
7062 * Wireless Handler : set Power Management
7063 */
7064 static int airo_set_power(struct net_device *dev,
7065 struct iw_request_info *info,
7066 struct iw_param *vwrq,
7067 char *extra)
7068 {
7069 struct airo_info *local = dev->ml_priv;
7070
7071 readConfigRid(local, 1);
7072 if (vwrq->disabled) {
7073 if (sniffing_mode(local))
7074 return -EINVAL;
7075 local->config.powerSaveMode = POWERSAVE_CAM;
7076 local->config.rmode &= ~RXMODE_MASK;
7077 local->config.rmode |= RXMODE_BC_MC_ADDR;
7078 set_bit (FLAG_COMMIT, &local->flags);
7079 return -EINPROGRESS; /* Call commit handler */
7080 }
7081 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7082 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7083 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7084 set_bit (FLAG_COMMIT, &local->flags);
7085 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7086 local->config.fastListenInterval =
7087 local->config.listenInterval =
7088 cpu_to_le16((vwrq->value + 500) / 1024);
7089 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7090 set_bit (FLAG_COMMIT, &local->flags);
7091 }
7092 switch (vwrq->flags & IW_POWER_MODE) {
7093 case IW_POWER_UNICAST_R:
7094 if (sniffing_mode(local))
7095 return -EINVAL;
7096 local->config.rmode &= ~RXMODE_MASK;
7097 local->config.rmode |= RXMODE_ADDR;
7098 set_bit (FLAG_COMMIT, &local->flags);
7099 break;
7100 case IW_POWER_ALL_R:
7101 if (sniffing_mode(local))
7102 return -EINVAL;
7103 local->config.rmode &= ~RXMODE_MASK;
7104 local->config.rmode |= RXMODE_BC_MC_ADDR;
7105 set_bit (FLAG_COMMIT, &local->flags);
7106 case IW_POWER_ON:
7107 /* This is broken, fixme ;-) */
7108 break;
7109 default:
7110 return -EINVAL;
7111 }
7112 // Note : we may want to factor local->need_commit here
7113 // Note2 : may also want to factor RXMODE_RFMON test
7114 return -EINPROGRESS; /* Call commit handler */
7115 }
7116
7117 /*------------------------------------------------------------------*/
7118 /*
7119 * Wireless Handler : get Power Management
7120 */
7121 static int airo_get_power(struct net_device *dev,
7122 struct iw_request_info *info,
7123 struct iw_param *vwrq,
7124 char *extra)
7125 {
7126 struct airo_info *local = dev->ml_priv;
7127 __le16 mode;
7128
7129 readConfigRid(local, 1);
7130 mode = local->config.powerSaveMode;
7131 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7132 return 0;
7133 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7134 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7135 vwrq->flags = IW_POWER_TIMEOUT;
7136 } else {
7137 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7138 vwrq->flags = IW_POWER_PERIOD;
7139 }
7140 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7141 vwrq->flags |= IW_POWER_UNICAST_R;
7142 else
7143 vwrq->flags |= IW_POWER_ALL_R;
7144
7145 return 0;
7146 }
7147
7148 /*------------------------------------------------------------------*/
7149 /*
7150 * Wireless Handler : set Sensitivity
7151 */
7152 static int airo_set_sens(struct net_device *dev,
7153 struct iw_request_info *info,
7154 struct iw_param *vwrq,
7155 char *extra)
7156 {
7157 struct airo_info *local = dev->ml_priv;
7158
7159 readConfigRid(local, 1);
7160 local->config.rssiThreshold =
7161 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7162 set_bit (FLAG_COMMIT, &local->flags);
7163
7164 return -EINPROGRESS; /* Call commit handler */
7165 }
7166
7167 /*------------------------------------------------------------------*/
7168 /*
7169 * Wireless Handler : get Sensitivity
7170 */
7171 static int airo_get_sens(struct net_device *dev,
7172 struct iw_request_info *info,
7173 struct iw_param *vwrq,
7174 char *extra)
7175 {
7176 struct airo_info *local = dev->ml_priv;
7177
7178 readConfigRid(local, 1);
7179 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7180 vwrq->disabled = (vwrq->value == 0);
7181 vwrq->fixed = 1;
7182
7183 return 0;
7184 }
7185
7186 /*------------------------------------------------------------------*/
7187 /*
7188 * Wireless Handler : get AP List
7189 * Note : this is deprecated in favor of IWSCAN
7190 */
7191 static int airo_get_aplist(struct net_device *dev,
7192 struct iw_request_info *info,
7193 struct iw_point *dwrq,
7194 char *extra)
7195 {
7196 struct airo_info *local = dev->ml_priv;
7197 struct sockaddr *address = (struct sockaddr *) extra;
7198 struct iw_quality *qual;
7199 BSSListRid BSSList;
7200 int i;
7201 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7202
7203 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7204 if (!qual)
7205 return -ENOMEM;
7206
7207 for (i = 0; i < IW_MAX_AP; i++) {
7208 u16 dBm;
7209 if (readBSSListRid(local, loseSync, &BSSList))
7210 break;
7211 loseSync = 0;
7212 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7213 address[i].sa_family = ARPHRD_ETHER;
7214 dBm = le16_to_cpu(BSSList.dBm);
7215 if (local->rssi) {
7216 qual[i].level = 0x100 - dBm;
7217 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7218 qual[i].updated = IW_QUAL_QUAL_UPDATED
7219 | IW_QUAL_LEVEL_UPDATED
7220 | IW_QUAL_DBM;
7221 } else {
7222 qual[i].level = (dBm + 321) / 2;
7223 qual[i].qual = 0;
7224 qual[i].updated = IW_QUAL_QUAL_INVALID
7225 | IW_QUAL_LEVEL_UPDATED
7226 | IW_QUAL_DBM;
7227 }
7228 qual[i].noise = local->wstats.qual.noise;
7229 if (BSSList.index == cpu_to_le16(0xffff))
7230 break;
7231 }
7232 if (!i) {
7233 StatusRid status_rid; /* Card status info */
7234 readStatusRid(local, &status_rid, 1);
7235 for (i = 0;
7236 i < min(IW_MAX_AP, 4) &&
7237 (status_rid.bssid[i][0]
7238 & status_rid.bssid[i][1]
7239 & status_rid.bssid[i][2]
7240 & status_rid.bssid[i][3]
7241 & status_rid.bssid[i][4]
7242 & status_rid.bssid[i][5])!=0xff &&
7243 (status_rid.bssid[i][0]
7244 | status_rid.bssid[i][1]
7245 | status_rid.bssid[i][2]
7246 | status_rid.bssid[i][3]
7247 | status_rid.bssid[i][4]
7248 | status_rid.bssid[i][5]);
7249 i++) {
7250 memcpy(address[i].sa_data,
7251 status_rid.bssid[i], ETH_ALEN);
7252 address[i].sa_family = ARPHRD_ETHER;
7253 }
7254 } else {
7255 dwrq->flags = 1; /* Should be define'd */
7256 memcpy(extra + sizeof(struct sockaddr)*i,
7257 &qual, sizeof(struct iw_quality)*i);
7258 }
7259 dwrq->length = i;
7260
7261 kfree(qual);
7262 return 0;
7263 }
7264
7265 /*------------------------------------------------------------------*/
7266 /*
7267 * Wireless Handler : Initiate Scan
7268 */
7269 static int airo_set_scan(struct net_device *dev,
7270 struct iw_request_info *info,
7271 struct iw_point *dwrq,
7272 char *extra)
7273 {
7274 struct airo_info *ai = dev->ml_priv;
7275 Cmd cmd;
7276 Resp rsp;
7277 int wake = 0;
7278
7279 /* Note : you may have realised that, as this is a SET operation,
7280 * this is privileged and therefore a normal user can't
7281 * perform scanning.
7282 * This is not an error, while the device perform scanning,
7283 * traffic doesn't flow, so it's a perfect DoS...
7284 * Jean II */
7285 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7286
7287 if (down_interruptible(&ai->sem))
7288 return -ERESTARTSYS;
7289
7290 /* If there's already a scan in progress, don't
7291 * trigger another one. */
7292 if (ai->scan_timeout > 0)
7293 goto out;
7294
7295 /* Initiate a scan command */
7296 ai->scan_timeout = RUN_AT(3*HZ);
7297 memset(&cmd, 0, sizeof(cmd));
7298 cmd.cmd=CMD_LISTBSS;
7299 issuecommand(ai, &cmd, &rsp);
7300 wake = 1;
7301
7302 out:
7303 up(&ai->sem);
7304 if (wake)
7305 wake_up_interruptible(&ai->thr_wait);
7306 return 0;
7307 }
7308
7309 /*------------------------------------------------------------------*/
7310 /*
7311 * Translate scan data returned from the card to a card independent
7312 * format that the Wireless Tools will understand - Jean II
7313 */
7314 static inline char *airo_translate_scan(struct net_device *dev,
7315 struct iw_request_info *info,
7316 char *current_ev,
7317 char *end_buf,
7318 BSSListRid *bss)
7319 {
7320 struct airo_info *ai = dev->ml_priv;
7321 struct iw_event iwe; /* Temporary buffer */
7322 __le16 capabilities;
7323 char * current_val; /* For rates */
7324 int i;
7325 char * buf;
7326 u16 dBm;
7327
7328 /* First entry *MUST* be the AP MAC address */
7329 iwe.cmd = SIOCGIWAP;
7330 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7331 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7332 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7333 &iwe, IW_EV_ADDR_LEN);
7334
7335 /* Other entries will be displayed in the order we give them */
7336
7337 /* Add the ESSID */
7338 iwe.u.data.length = bss->ssidLen;
7339 if(iwe.u.data.length > 32)
7340 iwe.u.data.length = 32;
7341 iwe.cmd = SIOCGIWESSID;
7342 iwe.u.data.flags = 1;
7343 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7344 &iwe, bss->ssid);
7345
7346 /* Add mode */
7347 iwe.cmd = SIOCGIWMODE;
7348 capabilities = bss->cap;
7349 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7350 if(capabilities & CAP_ESS)
7351 iwe.u.mode = IW_MODE_MASTER;
7352 else
7353 iwe.u.mode = IW_MODE_ADHOC;
7354 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7355 &iwe, IW_EV_UINT_LEN);
7356 }
7357
7358 /* Add frequency */
7359 iwe.cmd = SIOCGIWFREQ;
7360 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7361 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7362 iwe.u.freq.e = 1;
7363 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7364 &iwe, IW_EV_FREQ_LEN);
7365
7366 dBm = le16_to_cpu(bss->dBm);
7367
7368 /* Add quality statistics */
7369 iwe.cmd = IWEVQUAL;
7370 if (ai->rssi) {
7371 iwe.u.qual.level = 0x100 - dBm;
7372 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7373 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7374 | IW_QUAL_LEVEL_UPDATED
7375 | IW_QUAL_DBM;
7376 } else {
7377 iwe.u.qual.level = (dBm + 321) / 2;
7378 iwe.u.qual.qual = 0;
7379 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7380 | IW_QUAL_LEVEL_UPDATED
7381 | IW_QUAL_DBM;
7382 }
7383 iwe.u.qual.noise = ai->wstats.qual.noise;
7384 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7385 &iwe, IW_EV_QUAL_LEN);
7386
7387 /* Add encryption capability */
7388 iwe.cmd = SIOCGIWENCODE;
7389 if(capabilities & CAP_PRIVACY)
7390 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7391 else
7392 iwe.u.data.flags = IW_ENCODE_DISABLED;
7393 iwe.u.data.length = 0;
7394 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7395 &iwe, bss->ssid);
7396
7397 /* Rate : stuffing multiple values in a single event require a bit
7398 * more of magic - Jean II */
7399 current_val = current_ev + iwe_stream_lcp_len(info);
7400
7401 iwe.cmd = SIOCGIWRATE;
7402 /* Those two flags are ignored... */
7403 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7404 /* Max 8 values */
7405 for(i = 0 ; i < 8 ; i++) {
7406 /* NULL terminated */
7407 if(bss->rates[i] == 0)
7408 break;
7409 /* Bit rate given in 500 kb/s units (+ 0x80) */
7410 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7411 /* Add new value to event */
7412 current_val = iwe_stream_add_value(info, current_ev,
7413 current_val, end_buf,
7414 &iwe, IW_EV_PARAM_LEN);
7415 }
7416 /* Check if we added any event */
7417 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7418 current_ev = current_val;
7419
7420 /* Beacon interval */
7421 buf = kmalloc(30, GFP_KERNEL);
7422 if (buf) {
7423 iwe.cmd = IWEVCUSTOM;
7424 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7425 iwe.u.data.length = strlen(buf);
7426 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7427 &iwe, buf);
7428 kfree(buf);
7429 }
7430
7431 /* Put WPA/RSN Information Elements into the event stream */
7432 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7433 unsigned int num_null_ies = 0;
7434 u16 length = sizeof (bss->extra.iep);
7435 u8 *ie = (void *)&bss->extra.iep;
7436
7437 while ((length >= 2) && (num_null_ies < 2)) {
7438 if (2 + ie[1] > length) {
7439 /* Invalid element, don't continue parsing IE */
7440 break;
7441 }
7442
7443 switch (ie[0]) {
7444 case WLAN_EID_SSID:
7445 /* Two zero-length SSID elements
7446 * mean we're done parsing elements */
7447 if (!ie[1])
7448 num_null_ies++;
7449 break;
7450
7451 case WLAN_EID_GENERIC:
7452 if (ie[1] >= 4 &&
7453 ie[2] == 0x00 &&
7454 ie[3] == 0x50 &&
7455 ie[4] == 0xf2 &&
7456 ie[5] == 0x01) {
7457 iwe.cmd = IWEVGENIE;
7458 /* 64 is an arbitrary cut-off */
7459 iwe.u.data.length = min(ie[1] + 2,
7460 64);
7461 current_ev = iwe_stream_add_point(
7462 info, current_ev,
7463 end_buf, &iwe, ie);
7464 }
7465 break;
7466
7467 case WLAN_EID_RSN:
7468 iwe.cmd = IWEVGENIE;
7469 /* 64 is an arbitrary cut-off */
7470 iwe.u.data.length = min(ie[1] + 2, 64);
7471 current_ev = iwe_stream_add_point(
7472 info, current_ev, end_buf,
7473 &iwe, ie);
7474 break;
7475
7476 default:
7477 break;
7478 }
7479
7480 length -= 2 + ie[1];
7481 ie += 2 + ie[1];
7482 }
7483 }
7484 return current_ev;
7485 }
7486
7487 /*------------------------------------------------------------------*/
7488 /*
7489 * Wireless Handler : Read Scan Results
7490 */
7491 static int airo_get_scan(struct net_device *dev,
7492 struct iw_request_info *info,
7493 struct iw_point *dwrq,
7494 char *extra)
7495 {
7496 struct airo_info *ai = dev->ml_priv;
7497 BSSListElement *net;
7498 int err = 0;
7499 char *current_ev = extra;
7500
7501 /* If a scan is in-progress, return -EAGAIN */
7502 if (ai->scan_timeout > 0)
7503 return -EAGAIN;
7504
7505 if (down_interruptible(&ai->sem))
7506 return -EAGAIN;
7507
7508 list_for_each_entry (net, &ai->network_list, list) {
7509 /* Translate to WE format this entry */
7510 current_ev = airo_translate_scan(dev, info, current_ev,
7511 extra + dwrq->length,
7512 &net->bss);
7513
7514 /* Check if there is space for one more entry */
7515 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7516 /* Ask user space to try again with a bigger buffer */
7517 err = -E2BIG;
7518 goto out;
7519 }
7520 }
7521
7522 /* Length of data */
7523 dwrq->length = (current_ev - extra);
7524 dwrq->flags = 0; /* todo */
7525
7526 out:
7527 up(&ai->sem);
7528 return err;
7529 }
7530
7531 /*------------------------------------------------------------------*/
7532 /*
7533 * Commit handler : called after a bunch of SET operations
7534 */
7535 static int airo_config_commit(struct net_device *dev,
7536 struct iw_request_info *info, /* NULL */
7537 void *zwrq, /* NULL */
7538 char *extra) /* NULL */
7539 {
7540 struct airo_info *local = dev->ml_priv;
7541
7542 if (!test_bit (FLAG_COMMIT, &local->flags))
7543 return 0;
7544
7545 /* Some of the "SET" function may have modified some of the
7546 * parameters. It's now time to commit them in the card */
7547 disable_MAC(local, 1);
7548 if (test_bit (FLAG_RESET, &local->flags)) {
7549 APListRid APList_rid;
7550 SsidRid SSID_rid;
7551
7552 readAPListRid(local, &APList_rid);
7553 readSsidRid(local, &SSID_rid);
7554 if (test_bit(FLAG_MPI,&local->flags))
7555 setup_card(local, dev->dev_addr, 1 );
7556 else
7557 reset_airo_card(dev);
7558 disable_MAC(local, 1);
7559 writeSsidRid(local, &SSID_rid, 1);
7560 writeAPListRid(local, &APList_rid, 1);
7561 }
7562 if (down_interruptible(&local->sem))
7563 return -ERESTARTSYS;
7564 writeConfigRid(local, 0);
7565 enable_MAC(local, 0);
7566 if (test_bit (FLAG_RESET, &local->flags))
7567 airo_set_promisc(local);
7568 else
7569 up(&local->sem);
7570
7571 return 0;
7572 }
7573
7574 /*------------------------------------------------------------------*/
7575 /*
7576 * Structures to export the Wireless Handlers
7577 */
7578
7579 static const struct iw_priv_args airo_private_args[] = {
7580 /*{ cmd, set_args, get_args, name } */
7581 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7582 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7583 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7584 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7585 };
7586
7587 static const iw_handler airo_handler[] =
7588 {
7589 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7590 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7591 (iw_handler) NULL, /* SIOCSIWNWID */
7592 (iw_handler) NULL, /* SIOCGIWNWID */
7593 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7594 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7595 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7596 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7597 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7598 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7599 (iw_handler) NULL, /* SIOCSIWRANGE */
7600 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7601 (iw_handler) NULL, /* SIOCSIWPRIV */
7602 (iw_handler) NULL, /* SIOCGIWPRIV */
7603 (iw_handler) NULL, /* SIOCSIWSTATS */
7604 (iw_handler) NULL, /* SIOCGIWSTATS */
7605 iw_handler_set_spy, /* SIOCSIWSPY */
7606 iw_handler_get_spy, /* SIOCGIWSPY */
7607 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7608 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7609 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7610 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7611 (iw_handler) NULL, /* -- hole -- */
7612 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7613 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7614 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7615 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7616 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7617 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7618 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7619 (iw_handler) NULL, /* -- hole -- */
7620 (iw_handler) NULL, /* -- hole -- */
7621 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7622 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7623 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7624 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7625 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7626 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7627 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7628 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7629 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7630 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7631 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7632 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7633 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7634 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7635 (iw_handler) NULL, /* -- hole -- */
7636 (iw_handler) NULL, /* -- hole -- */
7637 (iw_handler) NULL, /* SIOCSIWGENIE */
7638 (iw_handler) NULL, /* SIOCGIWGENIE */
7639 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7640 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7641 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7642 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7643 (iw_handler) NULL, /* SIOCSIWPMKSA */
7644 };
7645
7646 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7647 * We want to force the use of the ioctl code, because those can't be
7648 * won't work the iw_handler code (because they simultaneously read
7649 * and write data and iw_handler can't do that).
7650 * Note that it's perfectly legal to read/write on a single ioctl command,
7651 * you just can't use iwpriv and need to force it via the ioctl handler.
7652 * Jean II */
7653 static const iw_handler airo_private_handler[] =
7654 {
7655 NULL, /* SIOCIWFIRSTPRIV */
7656 };
7657
7658 static const struct iw_handler_def airo_handler_def =
7659 {
7660 .num_standard = ARRAY_SIZE(airo_handler),
7661 .num_private = ARRAY_SIZE(airo_private_handler),
7662 .num_private_args = ARRAY_SIZE(airo_private_args),
7663 .standard = airo_handler,
7664 .private = airo_private_handler,
7665 .private_args = airo_private_args,
7666 .get_wireless_stats = airo_get_wireless_stats,
7667 };
7668
7669 /*
7670 * This defines the configuration part of the Wireless Extensions
7671 * Note : irq and spinlock protection will occur in the subroutines
7672 *
7673 * TODO :
7674 * o Check input value more carefully and fill correct values in range
7675 * o Test and shakeout the bugs (if any)
7676 *
7677 * Jean II
7678 *
7679 * Javier Achirica did a great job of merging code from the unnamed CISCO
7680 * developer that added support for flashing the card.
7681 */
7682 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7683 {
7684 int rc = 0;
7685 struct airo_info *ai = dev->ml_priv;
7686
7687 if (ai->power.event)
7688 return 0;
7689
7690 switch (cmd) {
7691 #ifdef CISCO_EXT
7692 case AIROIDIFC:
7693 #ifdef AIROOLDIDIFC
7694 case AIROOLDIDIFC:
7695 #endif
7696 {
7697 int val = AIROMAGIC;
7698 aironet_ioctl com;
7699 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7700 rc = -EFAULT;
7701 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7702 rc = -EFAULT;
7703 }
7704 break;
7705
7706 case AIROIOCTL:
7707 #ifdef AIROOLDIOCTL
7708 case AIROOLDIOCTL:
7709 #endif
7710 /* Get the command struct and hand it off for evaluation by
7711 * the proper subfunction
7712 */
7713 {
7714 aironet_ioctl com;
7715 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7716 rc = -EFAULT;
7717 break;
7718 }
7719
7720 /* Separate R/W functions bracket legality here
7721 */
7722 if ( com.command == AIRORSWVERSION ) {
7723 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7724 rc = -EFAULT;
7725 else
7726 rc = 0;
7727 }
7728 else if ( com.command <= AIRORRID)
7729 rc = readrids(dev,&com);
7730 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7731 rc = writerids(dev,&com);
7732 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7733 rc = flashcard(dev,&com);
7734 else
7735 rc = -EINVAL; /* Bad command in ioctl */
7736 }
7737 break;
7738 #endif /* CISCO_EXT */
7739
7740 // All other calls are currently unsupported
7741 default:
7742 rc = -EOPNOTSUPP;
7743 }
7744 return rc;
7745 }
7746
7747 /*
7748 * Get the Wireless stats out of the driver
7749 * Note : irq and spinlock protection will occur in the subroutines
7750 *
7751 * TODO :
7752 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7753 *
7754 * Jean
7755 */
7756 static void airo_read_wireless_stats(struct airo_info *local)
7757 {
7758 StatusRid status_rid;
7759 StatsRid stats_rid;
7760 CapabilityRid cap_rid;
7761 __le32 *vals = stats_rid.vals;
7762
7763 /* Get stats out of the card */
7764 clear_bit(JOB_WSTATS, &local->jobs);
7765 if (local->power.event) {
7766 up(&local->sem);
7767 return;
7768 }
7769 readCapabilityRid(local, &cap_rid, 0);
7770 readStatusRid(local, &status_rid, 0);
7771 readStatsRid(local, &stats_rid, RID_STATS, 0);
7772 up(&local->sem);
7773
7774 /* The status */
7775 local->wstats.status = le16_to_cpu(status_rid.mode);
7776
7777 /* Signal quality and co */
7778 if (local->rssi) {
7779 local->wstats.qual.level =
7780 airo_rssi_to_dbm(local->rssi,
7781 le16_to_cpu(status_rid.sigQuality));
7782 /* normalizedSignalStrength appears to be a percentage */
7783 local->wstats.qual.qual =
7784 le16_to_cpu(status_rid.normalizedSignalStrength);
7785 } else {
7786 local->wstats.qual.level =
7787 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7788 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7789 }
7790 if (le16_to_cpu(status_rid.len) >= 124) {
7791 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7792 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7793 } else {
7794 local->wstats.qual.noise = 0;
7795 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7796 }
7797
7798 /* Packets discarded in the wireless adapter due to wireless
7799 * specific problems */
7800 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7801 le32_to_cpu(vals[57]) +
7802 le32_to_cpu(vals[58]); /* SSID Mismatch */
7803 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7804 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7805 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7806 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7807 le32_to_cpu(vals[32]);
7808 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7809 }
7810
7811 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7812 {
7813 struct airo_info *local = dev->ml_priv;
7814
7815 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7816 /* Get stats out of the card if available */
7817 if (down_trylock(&local->sem) != 0) {
7818 set_bit(JOB_WSTATS, &local->jobs);
7819 wake_up_interruptible(&local->thr_wait);
7820 } else
7821 airo_read_wireless_stats(local);
7822 }
7823
7824 return &local->wstats;
7825 }
7826
7827 #ifdef CISCO_EXT
7828 /*
7829 * This just translates from driver IOCTL codes to the command codes to
7830 * feed to the radio's host interface. Things can be added/deleted
7831 * as needed. This represents the READ side of control I/O to
7832 * the card
7833 */
7834 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7835 unsigned short ridcode;
7836 unsigned char *iobuf;
7837 int len;
7838 struct airo_info *ai = dev->ml_priv;
7839
7840 if (test_bit(FLAG_FLASHING, &ai->flags))
7841 return -EIO;
7842
7843 switch(comp->command)
7844 {
7845 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7846 case AIROGCFG: ridcode = RID_CONFIG;
7847 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7848 disable_MAC (ai, 1);
7849 writeConfigRid (ai, 1);
7850 enable_MAC(ai, 1);
7851 }
7852 break;
7853 case AIROGSLIST: ridcode = RID_SSID; break;
7854 case AIROGVLIST: ridcode = RID_APLIST; break;
7855 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7856 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7857 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7858 /* Only super-user can read WEP keys */
7859 if (!capable(CAP_NET_ADMIN))
7860 return -EPERM;
7861 break;
7862 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7863 /* Only super-user can read WEP keys */
7864 if (!capable(CAP_NET_ADMIN))
7865 return -EPERM;
7866 break;
7867 case AIROGSTAT: ridcode = RID_STATUS; break;
7868 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7869 case AIROGSTATSC32: ridcode = RID_STATS; break;
7870 case AIROGMICSTATS:
7871 if (copy_to_user(comp->data, &ai->micstats,
7872 min((int)comp->len,(int)sizeof(ai->micstats))))
7873 return -EFAULT;
7874 return 0;
7875 case AIRORRID: ridcode = comp->ridnum; break;
7876 default:
7877 return -EINVAL;
7878 break;
7879 }
7880
7881 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7882 return -ENOMEM;
7883
7884 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7885 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7886 * then return it to the user
7887 * 9/22/2000 Honor user given length
7888 */
7889 len = comp->len;
7890
7891 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7892 kfree (iobuf);
7893 return -EFAULT;
7894 }
7895 kfree (iobuf);
7896 return 0;
7897 }
7898
7899 /*
7900 * Danger Will Robinson write the rids here
7901 */
7902
7903 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7904 struct airo_info *ai = dev->ml_priv;
7905 int ridcode;
7906 int enabled;
7907 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7908 unsigned char *iobuf;
7909
7910 /* Only super-user can write RIDs */
7911 if (!capable(CAP_NET_ADMIN))
7912 return -EPERM;
7913
7914 if (test_bit(FLAG_FLASHING, &ai->flags))
7915 return -EIO;
7916
7917 ridcode = 0;
7918 writer = do_writerid;
7919
7920 switch(comp->command)
7921 {
7922 case AIROPSIDS: ridcode = RID_SSID; break;
7923 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7924 case AIROPAPLIST: ridcode = RID_APLIST; break;
7925 case AIROPCFG: ai->config.len = 0;
7926 clear_bit(FLAG_COMMIT, &ai->flags);
7927 ridcode = RID_CONFIG; break;
7928 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7929 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7930 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7931 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7932 break;
7933 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7934 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7935
7936 /* this is not really a rid but a command given to the card
7937 * same with MAC off
7938 */
7939 case AIROPMACON:
7940 if (enable_MAC(ai, 1) != 0)
7941 return -EIO;
7942 return 0;
7943
7944 /*
7945 * Evidently this code in the airo driver does not get a symbol
7946 * as disable_MAC. it's probably so short the compiler does not gen one.
7947 */
7948 case AIROPMACOFF:
7949 disable_MAC(ai, 1);
7950 return 0;
7951
7952 /* This command merely clears the counts does not actually store any data
7953 * only reads rid. But as it changes the cards state, I put it in the
7954 * writerid routines.
7955 */
7956 case AIROPSTCLR:
7957 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7958 return -ENOMEM;
7959
7960 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7961
7962 enabled = ai->micstats.enabled;
7963 memset(&ai->micstats,0,sizeof(ai->micstats));
7964 ai->micstats.enabled = enabled;
7965
7966 if (copy_to_user(comp->data, iobuf,
7967 min((int)comp->len, (int)RIDSIZE))) {
7968 kfree (iobuf);
7969 return -EFAULT;
7970 }
7971 kfree (iobuf);
7972 return 0;
7973
7974 default:
7975 return -EOPNOTSUPP; /* Blarg! */
7976 }
7977 if(comp->len > RIDSIZE)
7978 return -EINVAL;
7979
7980 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7981 return -ENOMEM;
7982
7983 if (copy_from_user(iobuf,comp->data,comp->len)) {
7984 kfree (iobuf);
7985 return -EFAULT;
7986 }
7987
7988 if (comp->command == AIROPCFG) {
7989 ConfigRid *cfg = (ConfigRid *)iobuf;
7990
7991 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7992 cfg->opmode |= MODE_MIC;
7993
7994 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7995 set_bit (FLAG_ADHOC, &ai->flags);
7996 else
7997 clear_bit (FLAG_ADHOC, &ai->flags);
7998 }
7999
8000 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
8001 kfree (iobuf);
8002 return -EIO;
8003 }
8004 kfree (iobuf);
8005 return 0;
8006 }
8007
8008 /*****************************************************************************
8009 * Ancillary flash / mod functions much black magic lurkes here *
8010 *****************************************************************************
8011 */
8012
8013 /*
8014 * Flash command switch table
8015 */
8016
8017 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8018 int z;
8019
8020 /* Only super-user can modify flash */
8021 if (!capable(CAP_NET_ADMIN))
8022 return -EPERM;
8023
8024 switch(comp->command)
8025 {
8026 case AIROFLSHRST:
8027 return cmdreset((struct airo_info *)dev->ml_priv);
8028
8029 case AIROFLSHSTFL:
8030 if (!AIRO_FLASH(dev) &&
8031 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8032 return -ENOMEM;
8033 return setflashmode((struct airo_info *)dev->ml_priv);
8034
8035 case AIROFLSHGCHR: /* Get char from aux */
8036 if(comp->len != sizeof(int))
8037 return -EINVAL;
8038 if (copy_from_user(&z,comp->data,comp->len))
8039 return -EFAULT;
8040 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8041
8042 case AIROFLSHPCHR: /* Send char to card. */
8043 if(comp->len != sizeof(int))
8044 return -EINVAL;
8045 if (copy_from_user(&z,comp->data,comp->len))
8046 return -EFAULT;
8047 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8048
8049 case AIROFLPUTBUF: /* Send 32k to card */
8050 if (!AIRO_FLASH(dev))
8051 return -ENOMEM;
8052 if(comp->len > FLASHSIZE)
8053 return -EINVAL;
8054 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8055 return -EFAULT;
8056
8057 flashputbuf((struct airo_info *)dev->ml_priv);
8058 return 0;
8059
8060 case AIRORESTART:
8061 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8062 return -EIO;
8063 return 0;
8064 }
8065 return -EINVAL;
8066 }
8067
8068 #define FLASH_COMMAND 0x7e7e
8069
8070 /*
8071 * STEP 1)
8072 * Disable MAC and do soft reset on
8073 * card.
8074 */
8075
8076 static int cmdreset(struct airo_info *ai) {
8077 disable_MAC(ai, 1);
8078
8079 if(!waitbusy (ai)){
8080 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8081 return -EBUSY;
8082 }
8083
8084 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8085
8086 ssleep(1); /* WAS 600 12/7/00 */
8087
8088 if(!waitbusy (ai)){
8089 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8090 return -EBUSY;
8091 }
8092 return 0;
8093 }
8094
8095 /* STEP 2)
8096 * Put the card in legendary flash
8097 * mode
8098 */
8099
8100 static int setflashmode (struct airo_info *ai) {
8101 set_bit (FLAG_FLASHING, &ai->flags);
8102
8103 OUT4500(ai, SWS0, FLASH_COMMAND);
8104 OUT4500(ai, SWS1, FLASH_COMMAND);
8105 if (probe) {
8106 OUT4500(ai, SWS0, FLASH_COMMAND);
8107 OUT4500(ai, COMMAND,0x10);
8108 } else {
8109 OUT4500(ai, SWS2, FLASH_COMMAND);
8110 OUT4500(ai, SWS3, FLASH_COMMAND);
8111 OUT4500(ai, COMMAND,0);
8112 }
8113 msleep(500); /* 500ms delay */
8114
8115 if(!waitbusy(ai)) {
8116 clear_bit (FLAG_FLASHING, &ai->flags);
8117 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8118 return -EIO;
8119 }
8120 return 0;
8121 }
8122
8123 /* Put character to SWS0 wait for dwelltime
8124 * x 50us for echo .
8125 */
8126
8127 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8128 int echo;
8129 int waittime;
8130
8131 byte |= 0x8000;
8132
8133 if(dwelltime == 0 )
8134 dwelltime = 200;
8135
8136 waittime=dwelltime;
8137
8138 /* Wait for busy bit d15 to go false indicating buffer empty */
8139 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8140 udelay (50);
8141 waittime -= 50;
8142 }
8143
8144 /* timeout for busy clear wait */
8145 if(waittime <= 0 ){
8146 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8147 return -EBUSY;
8148 }
8149
8150 /* Port is clear now write byte and wait for it to echo back */
8151 do {
8152 OUT4500(ai,SWS0,byte);
8153 udelay(50);
8154 dwelltime -= 50;
8155 echo = IN4500(ai,SWS1);
8156 } while (dwelltime >= 0 && echo != byte);
8157
8158 OUT4500(ai,SWS1,0);
8159
8160 return (echo == byte) ? 0 : -EIO;
8161 }
8162
8163 /*
8164 * Get a character from the card matching matchbyte
8165 * Step 3)
8166 */
8167 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8168 int rchar;
8169 unsigned char rbyte=0;
8170
8171 do {
8172 rchar = IN4500(ai,SWS1);
8173
8174 if(dwelltime && !(0x8000 & rchar)){
8175 dwelltime -= 10;
8176 mdelay(10);
8177 continue;
8178 }
8179 rbyte = 0xff & rchar;
8180
8181 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8182 OUT4500(ai,SWS1,0);
8183 return 0;
8184 }
8185 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8186 break;
8187 OUT4500(ai,SWS1,0);
8188
8189 }while(dwelltime > 0);
8190 return -EIO;
8191 }
8192
8193 /*
8194 * Transfer 32k of firmware data from user buffer to our buffer and
8195 * send to the card
8196 */
8197
8198 static int flashputbuf(struct airo_info *ai){
8199 int nwords;
8200
8201 /* Write stuff */
8202 if (test_bit(FLAG_MPI,&ai->flags))
8203 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8204 else {
8205 OUT4500(ai,AUXPAGE,0x100);
8206 OUT4500(ai,AUXOFF,0);
8207
8208 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8209 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8210 }
8211 }
8212 OUT4500(ai,SWS0,0x8000);
8213
8214 return 0;
8215 }
8216
8217 /*
8218 *
8219 */
8220 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8221 int i,status;
8222
8223 ssleep(1); /* Added 12/7/00 */
8224 clear_bit (FLAG_FLASHING, &ai->flags);
8225 if (test_bit(FLAG_MPI, &ai->flags)) {
8226 status = mpi_init_descriptors(ai);
8227 if (status != SUCCESS)
8228 return status;
8229 }
8230 status = setup_card(ai, dev->dev_addr, 1);
8231
8232 if (!test_bit(FLAG_MPI,&ai->flags))
8233 for( i = 0; i < MAX_FIDS; i++ ) {
8234 ai->fids[i] = transmit_allocate
8235 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8236 }
8237
8238 ssleep(1); /* Added 12/7/00 */
8239 return status;
8240 }
8241 #endif /* CISCO_EXT */
8242
8243 /*
8244 This program is free software; you can redistribute it and/or
8245 modify it under the terms of the GNU General Public License
8246 as published by the Free Software Foundation; either version 2
8247 of the License, or (at your option) any later version.
8248
8249 This program is distributed in the hope that it will be useful,
8250 but WITHOUT ANY WARRANTY; without even the implied warranty of
8251 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8252 GNU General Public License for more details.
8253
8254 In addition:
8255
8256 Redistribution and use in source and binary forms, with or without
8257 modification, are permitted provided that the following conditions
8258 are met:
8259
8260 1. Redistributions of source code must retain the above copyright
8261 notice, this list of conditions and the following disclaimer.
8262 2. Redistributions in binary form must reproduce the above copyright
8263 notice, this list of conditions and the following disclaimer in the
8264 documentation and/or other materials provided with the distribution.
8265 3. The name of the author may not be used to endorse or promote
8266 products derived from this software without specific prior written
8267 permission.
8268
8269 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8270 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8271 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8272 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8273 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8274 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8275 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8276 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8277 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8278 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8279 POSSIBILITY OF SUCH DAMAGE.
8280 */
8281
8282 module_init(airo_init_module);
8283 module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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