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airo: simplify WEP index and capability checks
[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
55 #include "airo.h"
56
57 #define DRV_NAME "airo"
58
59 #ifdef CONFIG_PCI
60 static struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69 };
70 MODULE_DEVICE_TABLE(pci, card_ids);
71
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
76
77 static struct pci_driver airo_driver = {
78 .name = DRV_NAME,
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = __devexit_p(airo_pci_remove),
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84 };
85 #endif /* CONFIG_PCI */
86
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
90 #include <net/iw_handler.h> /* New driver API */
91
92 #define CISCO_EXT /* enable Cisco extensions */
93 #ifdef CISCO_EXT
94 #include <linux/delay.h>
95 #endif
96
97 /* Hack to do some power saving */
98 #define POWER_ON_DOWN
99
100 /* As you can see this list is HUGH!
101 I really don't know what a lot of these counts are about, but they
102 are all here for completeness. If the IGNLABEL macro is put in
103 infront of the label, that statistic will not be included in the list
104 of statistics in the /proc filesystem */
105
106 #define IGNLABEL(comment) NULL
107 static char *statsLabels[] = {
108 "RxOverrun",
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
112 "RxMacCrcErr",
113 "RxMacCrcOk",
114 "RxWepErr",
115 "RxWepOk",
116 "RetryLong",
117 "RetryShort",
118 "MaxRetries",
119 "NoAck",
120 "NoCts",
121 "RxAck",
122 "RxCts",
123 "TxAck",
124 "TxRts",
125 "TxCts",
126 "TxMc",
127 "TxBc",
128 "TxUcFrags",
129 "TxUcPackets",
130 "TxBeacon",
131 "RxBeacon",
132 "TxSinColl",
133 "TxMulColl",
134 "DefersNo",
135 "DefersProt",
136 "DefersEngy",
137 "DupFram",
138 "RxFragDisc",
139 "TxAged",
140 "RxAged",
141 "LostSync-MaxRetry",
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
144 "LostSync-Deauth",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
147 "HostTxMc",
148 "HostTxBc",
149 "HostTxUc",
150 "HostTxFail",
151 "HostRxMc",
152 "HostRxBc",
153 "HostRxUc",
154 "HostRxDiscard",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
164 "SsidMismatch",
165 "ApMismatch",
166 "RatesMismatch",
167 "AuthReject",
168 "AuthTimeout",
169 "AssocReject",
170 "AssocTimeout",
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
191 "RxMan",
192 "TxMan",
193 "RxRefresh",
194 "TxRefresh",
195 "RxPoll",
196 "TxPoll",
197 "HostRetries",
198 "LostSync-HostReq",
199 "HostTxBytes",
200 "HostRxBytes",
201 "ElapsedUsec",
202 "ElapsedSec",
203 "LostSyncBetterAP",
204 "PrivacyMismatch",
205 "Jammed",
206 "DiscRxNotWepped",
207 "PhyEleMismatch",
208 (char*)-1 };
209 #ifndef RUN_AT
210 #define RUN_AT(x) (jiffies+(x))
211 #endif
212
213
214 /* These variables are for insmod, since it seems that the rates
215 can only be set in setup_card. Rates should be a comma separated
216 (no spaces) list of rates (up to 8). */
217
218 static int rates[8];
219 static int basic_rate;
220 static char *ssids[3];
221
222 static int io[4];
223 static int irq[4];
224
225 static
226 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
228
229 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
232 static int adhoc;
233
234 static int probe = 1;
235
236 static int proc_uid /* = 0 */;
237
238 static int proc_gid /* = 0 */;
239
240 static int airo_perm = 0555;
241
242 static int proc_perm = 0644;
243
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
246 cards. Direct support for ISA/PCI/MPI cards and support \
247 for PCMCIA when used with airo_cs.");
248 MODULE_LICENSE("Dual BSD/GPL");
249 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250 module_param_array(io, int, NULL, 0);
251 module_param_array(irq, int, NULL, 0);
252 module_param(basic_rate, int, 0);
253 module_param_array(rates, int, NULL, 0);
254 module_param_array(ssids, charp, NULL, 0);
255 module_param(auto_wep, int, 0);
256 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
257 the authentication options until an association is made. The value of \
258 auto_wep is number of the wep keys to check. A value of 2 will try using \
259 the key at index 0 and index 1.");
260 module_param(aux_bap, int, 0);
261 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
262 than seems to work better for older cards with some older buses. Before \
263 switching it checks that the switch is needed.");
264 module_param(maxencrypt, int, 0);
265 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
266 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
267 Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
286
287 /* Return codes */
288 #define SUCCESS 0
289 #define ERROR -1
290 #define NO_PACKET -2
291
292 /* Commands */
293 #define NOP2 0x0000
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
306 #define NOP 0x0010
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
329
330 /* Command errors */
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
363
364 /* Registers */
365 #define COMMAND 0x00
366 #define PARAM0 0x02
367 #define PARAM1 0x04
368 #define PARAM2 0x06
369 #define STATUS 0x08
370 #define RESP0 0x0a
371 #define RESP1 0x0c
372 #define RESP2 0x0e
373 #define LINKSTAT 0x10
374 #define SELECT0 0x18
375 #define OFFSET0 0x1c
376 #define RXFID 0x20
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
379 #define DATA0 0x36
380 #define EVSTAT 0x30
381 #define EVINTEN 0x32
382 #define EVACK 0x34
383 #define SWS0 0x28
384 #define SWS1 0x2a
385 #define SWS2 0x2c
386 #define SWS3 0x2e
387 #define AUXPAGE 0x3A
388 #define AUXOFF 0x3C
389 #define AUXDATA 0x3E
390
391 #define FID_TX 1
392 #define FID_RX 2
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
396 #define PKTSIZE 1840
397 #define RIDSIZE 2048
398 /* Size of the transmit queue */
399 #define MAXTXQ 64
400
401 /* BAP selectors */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405 /* Flags */
406 #define COMMAND_BUSY 0x8000
407
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
411
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
414
415 #define EV_CMD 0x10
416 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_RX 0x01
418 #define EV_TX 0x02
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
421 #define EV_LINK 0x80
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #else
432 #define IGNORE_INTS (~STATUS_INTS)
433 #endif
434
435 /* RID TYPES */
436 #define RID_RW 0x20
437
438 /* The RIDs */
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
478
479 typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484 } Cmd;
485
486 typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491 } Resp;
492
493 /*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499 /* This is redundant for x86 archs, but it seems necessary for ARM */
500 #pragma pack(1)
501
502 /* This structure came from an email sent to me from an engineer at
503 aironet for inclusion into this driver */
504 typedef struct {
505 __le16 len;
506 __le16 kindex;
507 u8 mac[ETH_ALEN];
508 __le16 klen;
509 u8 key[16];
510 } WepKeyRid;
511
512 /* These structures are from the Aironet's PC4500 Developers Manual */
513 typedef struct {
514 __le16 len;
515 u8 ssid[32];
516 } Ssid;
517
518 typedef struct {
519 __le16 len;
520 Ssid ssids[3];
521 } SsidRid;
522
523 typedef struct {
524 __le16 len;
525 __le16 modulation;
526 #define MOD_DEFAULT cpu_to_le16(0)
527 #define MOD_CCK cpu_to_le16(1)
528 #define MOD_MOK cpu_to_le16(2)
529 } ModulationRid;
530
531 typedef struct {
532 __le16 len; /* sizeof(ConfigRid) */
533 __le16 opmode; /* operating mode */
534 #define MODE_STA_IBSS cpu_to_le16(0)
535 #define MODE_STA_ESS cpu_to_le16(1)
536 #define MODE_AP cpu_to_le16(2)
537 #define MODE_AP_RPTR cpu_to_le16(3)
538 #define MODE_CFG_MASK cpu_to_le16(0xff)
539 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
540 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
541 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
542 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
543 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
544 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
545 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
546 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
547 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
548 __le16 rmode; /* receive mode */
549 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
550 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
551 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
552 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
553 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
554 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
555 #define RXMODE_MASK cpu_to_le16(255)
556 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
557 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
558 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
559 __le16 fragThresh;
560 __le16 rtsThres;
561 u8 macAddr[ETH_ALEN];
562 u8 rates[8];
563 __le16 shortRetryLimit;
564 __le16 longRetryLimit;
565 __le16 txLifetime; /* in kusec */
566 __le16 rxLifetime; /* in kusec */
567 __le16 stationary;
568 __le16 ordering;
569 __le16 u16deviceType; /* for overriding device type */
570 __le16 cfpRate;
571 __le16 cfpDuration;
572 __le16 _reserved1[3];
573 /*---------- Scanning/Associating ----------*/
574 __le16 scanMode;
575 #define SCANMODE_ACTIVE cpu_to_le16(0)
576 #define SCANMODE_PASSIVE cpu_to_le16(1)
577 #define SCANMODE_AIROSCAN cpu_to_le16(2)
578 __le16 probeDelay; /* in kusec */
579 __le16 probeEnergyTimeout; /* in kusec */
580 __le16 probeResponseTimeout;
581 __le16 beaconListenTimeout;
582 __le16 joinNetTimeout;
583 __le16 authTimeout;
584 __le16 authType;
585 #define AUTH_OPEN cpu_to_le16(0x1)
586 #define AUTH_ENCRYPT cpu_to_le16(0x101)
587 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
588 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
589 __le16 associationTimeout;
590 __le16 specifiedApTimeout;
591 __le16 offlineScanInterval;
592 __le16 offlineScanDuration;
593 __le16 linkLossDelay;
594 __le16 maxBeaconLostTime;
595 __le16 refreshInterval;
596 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
597 __le16 _reserved1a[1];
598 /*---------- Power save operation ----------*/
599 __le16 powerSaveMode;
600 #define POWERSAVE_CAM cpu_to_le16(0)
601 #define POWERSAVE_PSP cpu_to_le16(1)
602 #define POWERSAVE_PSPCAM cpu_to_le16(2)
603 __le16 sleepForDtims;
604 __le16 listenInterval;
605 __le16 fastListenInterval;
606 __le16 listenDecay;
607 __le16 fastListenDelay;
608 __le16 _reserved2[2];
609 /*---------- Ap/Ibss config items ----------*/
610 __le16 beaconPeriod;
611 __le16 atimDuration;
612 __le16 hopPeriod;
613 __le16 channelSet;
614 __le16 channel;
615 __le16 dtimPeriod;
616 __le16 bridgeDistance;
617 __le16 radioID;
618 /*---------- Radio configuration ----------*/
619 __le16 radioType;
620 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
621 #define RADIOTYPE_802_11 cpu_to_le16(1)
622 #define RADIOTYPE_LEGACY cpu_to_le16(2)
623 u8 rxDiversity;
624 u8 txDiversity;
625 __le16 txPower;
626 #define TXPOWER_DEFAULT 0
627 __le16 rssiThreshold;
628 #define RSSI_DEFAULT 0
629 __le16 modulation;
630 #define PREAMBLE_AUTO cpu_to_le16(0)
631 #define PREAMBLE_LONG cpu_to_le16(1)
632 #define PREAMBLE_SHORT cpu_to_le16(2)
633 __le16 preamble;
634 __le16 homeProduct;
635 __le16 radioSpecific;
636 /*---------- Aironet Extensions ----------*/
637 u8 nodeName[16];
638 __le16 arlThreshold;
639 __le16 arlDecay;
640 __le16 arlDelay;
641 __le16 _reserved4[1];
642 /*---------- Aironet Extensions ----------*/
643 u8 magicAction;
644 #define MAGIC_ACTION_STSCHG 1
645 #define MAGIC_ACTION_RESUME 2
646 #define MAGIC_IGNORE_MCAST (1<<8)
647 #define MAGIC_IGNORE_BCAST (1<<9)
648 #define MAGIC_SWITCH_TO_PSP (0<<10)
649 #define MAGIC_STAY_IN_CAM (1<<10)
650 u8 magicControl;
651 __le16 autoWake;
652 } ConfigRid;
653
654 typedef struct {
655 __le16 len;
656 u8 mac[ETH_ALEN];
657 __le16 mode;
658 __le16 errorCode;
659 __le16 sigQuality;
660 __le16 SSIDlen;
661 char SSID[32];
662 char apName[16];
663 u8 bssid[4][ETH_ALEN];
664 __le16 beaconPeriod;
665 __le16 dimPeriod;
666 __le16 atimDuration;
667 __le16 hopPeriod;
668 __le16 channelSet;
669 __le16 channel;
670 __le16 hopsToBackbone;
671 __le16 apTotalLoad;
672 __le16 generatedLoad;
673 __le16 accumulatedArl;
674 __le16 signalQuality;
675 __le16 currentXmitRate;
676 __le16 apDevExtensions;
677 __le16 normalizedSignalStrength;
678 __le16 shortPreamble;
679 u8 apIP[4];
680 u8 noisePercent; /* Noise percent in last second */
681 u8 noisedBm; /* Noise dBm in last second */
682 u8 noiseAvePercent; /* Noise percent in last minute */
683 u8 noiseAvedBm; /* Noise dBm in last minute */
684 u8 noiseMaxPercent; /* Highest noise percent in last minute */
685 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
686 __le16 load;
687 u8 carrier[4];
688 __le16 assocStatus;
689 #define STAT_NOPACKETS 0
690 #define STAT_NOCARRIERSET 10
691 #define STAT_GOTCARRIERSET 11
692 #define STAT_WRONGSSID 20
693 #define STAT_BADCHANNEL 25
694 #define STAT_BADBITRATES 30
695 #define STAT_BADPRIVACY 35
696 #define STAT_APFOUND 40
697 #define STAT_APREJECTED 50
698 #define STAT_AUTHENTICATING 60
699 #define STAT_DEAUTHENTICATED 61
700 #define STAT_AUTHTIMEOUT 62
701 #define STAT_ASSOCIATING 70
702 #define STAT_DEASSOCIATED 71
703 #define STAT_ASSOCTIMEOUT 72
704 #define STAT_NOTAIROAP 73
705 #define STAT_ASSOCIATED 80
706 #define STAT_LEAPING 90
707 #define STAT_LEAPFAILED 91
708 #define STAT_LEAPTIMEDOUT 92
709 #define STAT_LEAPCOMPLETE 93
710 } StatusRid;
711
712 typedef struct {
713 __le16 len;
714 __le16 spacer;
715 __le32 vals[100];
716 } StatsRid;
717
718
719 typedef struct {
720 __le16 len;
721 u8 ap[4][ETH_ALEN];
722 } APListRid;
723
724 typedef struct {
725 __le16 len;
726 char oui[3];
727 char zero;
728 __le16 prodNum;
729 char manName[32];
730 char prodName[16];
731 char prodVer[8];
732 char factoryAddr[ETH_ALEN];
733 char aironetAddr[ETH_ALEN];
734 __le16 radioType;
735 __le16 country;
736 char callid[ETH_ALEN];
737 char supportedRates[8];
738 char rxDiversity;
739 char txDiversity;
740 __le16 txPowerLevels[8];
741 __le16 hardVer;
742 __le16 hardCap;
743 __le16 tempRange;
744 __le16 softVer;
745 __le16 softSubVer;
746 __le16 interfaceVer;
747 __le16 softCap;
748 __le16 bootBlockVer;
749 __le16 requiredHard;
750 __le16 extSoftCap;
751 } CapabilityRid;
752
753
754 /* Only present on firmware >= 5.30.17 */
755 typedef struct {
756 __le16 unknown[4];
757 u8 fixed[12]; /* WLAN management frame */
758 u8 iep[624];
759 } BSSListRidExtra;
760
761 typedef struct {
762 __le16 len;
763 __le16 index; /* First is 0 and 0xffff means end of list */
764 #define RADIO_FH 1 /* Frequency hopping radio type */
765 #define RADIO_DS 2 /* Direct sequence radio type */
766 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
767 __le16 radioType;
768 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
769 u8 zero;
770 u8 ssidLen;
771 u8 ssid[32];
772 __le16 dBm;
773 #define CAP_ESS cpu_to_le16(1<<0)
774 #define CAP_IBSS cpu_to_le16(1<<1)
775 #define CAP_PRIVACY cpu_to_le16(1<<4)
776 #define CAP_SHORTHDR cpu_to_le16(1<<5)
777 __le16 cap;
778 __le16 beaconInterval;
779 u8 rates[8]; /* Same as rates for config rid */
780 struct { /* For frequency hopping only */
781 __le16 dwell;
782 u8 hopSet;
783 u8 hopPattern;
784 u8 hopIndex;
785 u8 fill;
786 } fh;
787 __le16 dsChannel;
788 __le16 atimWindow;
789
790 /* Only present on firmware >= 5.30.17 */
791 BSSListRidExtra extra;
792 } BSSListRid;
793
794 typedef struct {
795 BSSListRid bss;
796 struct list_head list;
797 } BSSListElement;
798
799 typedef struct {
800 u8 rssipct;
801 u8 rssidBm;
802 } tdsRssiEntry;
803
804 typedef struct {
805 u16 len;
806 tdsRssiEntry x[256];
807 } tdsRssiRid;
808
809 typedef struct {
810 u16 len;
811 u16 state;
812 u16 multicastValid;
813 u8 multicast[16];
814 u16 unicastValid;
815 u8 unicast[16];
816 } MICRid;
817
818 typedef struct {
819 __be16 typelen;
820
821 union {
822 u8 snap[8];
823 struct {
824 u8 dsap;
825 u8 ssap;
826 u8 control;
827 u8 orgcode[3];
828 u8 fieldtype[2];
829 } llc;
830 } u;
831 __be32 mic;
832 __be32 seq;
833 } MICBuffer;
834
835 typedef struct {
836 u8 da[ETH_ALEN];
837 u8 sa[ETH_ALEN];
838 } etherHead;
839
840 #pragma pack()
841
842 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
843 #define TXCTL_TXEX (1<<2) /* report if tx fails */
844 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
845 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
846 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
847 #define TXCTL_LLC (1<<4) /* payload is llc */
848 #define TXCTL_RELEASE (0<<5) /* release after completion */
849 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
850
851 #define BUSY_FID 0x10000
852
853 #ifdef CISCO_EXT
854 #define AIROMAGIC 0xa55a
855 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
856 #ifdef SIOCIWFIRSTPRIV
857 #ifdef SIOCDEVPRIVATE
858 #define AIROOLDIOCTL SIOCDEVPRIVATE
859 #define AIROOLDIDIFC AIROOLDIOCTL + 1
860 #endif /* SIOCDEVPRIVATE */
861 #else /* SIOCIWFIRSTPRIV */
862 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
863 #endif /* SIOCIWFIRSTPRIV */
864 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
865 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
866 * only and don't return the modified struct ifreq to the application which
867 * is usually a problem. - Jean II */
868 #define AIROIOCTL SIOCIWFIRSTPRIV
869 #define AIROIDIFC AIROIOCTL + 1
870
871 /* Ioctl constants to be used in airo_ioctl.command */
872
873 #define AIROGCAP 0 // Capability rid
874 #define AIROGCFG 1 // USED A LOT
875 #define AIROGSLIST 2 // System ID list
876 #define AIROGVLIST 3 // List of specified AP's
877 #define AIROGDRVNAM 4 // NOTUSED
878 #define AIROGEHTENC 5 // NOTUSED
879 #define AIROGWEPKTMP 6
880 #define AIROGWEPKNV 7
881 #define AIROGSTAT 8
882 #define AIROGSTATSC32 9
883 #define AIROGSTATSD32 10
884 #define AIROGMICRID 11
885 #define AIROGMICSTATS 12
886 #define AIROGFLAGS 13
887 #define AIROGID 14
888 #define AIRORRID 15
889 #define AIRORSWVERSION 17
890
891 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
892
893 #define AIROPCAP AIROGSTATSD32 + 40
894 #define AIROPVLIST AIROPCAP + 1
895 #define AIROPSLIST AIROPVLIST + 1
896 #define AIROPCFG AIROPSLIST + 1
897 #define AIROPSIDS AIROPCFG + 1
898 #define AIROPAPLIST AIROPSIDS + 1
899 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
900 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
901 #define AIROPSTCLR AIROPMACOFF + 1
902 #define AIROPWEPKEY AIROPSTCLR + 1
903 #define AIROPWEPKEYNV AIROPWEPKEY + 1
904 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
905 #define AIROPLEAPUSR AIROPLEAPPWD + 1
906
907 /* Flash codes */
908
909 #define AIROFLSHRST AIROPWEPKEYNV + 40
910 #define AIROFLSHGCHR AIROFLSHRST + 1
911 #define AIROFLSHSTFL AIROFLSHGCHR + 1
912 #define AIROFLSHPCHR AIROFLSHSTFL + 1
913 #define AIROFLPUTBUF AIROFLSHPCHR + 1
914 #define AIRORESTART AIROFLPUTBUF + 1
915
916 #define FLASHSIZE 32768
917 #define AUXMEMSIZE (256 * 1024)
918
919 typedef struct aironet_ioctl {
920 unsigned short command; // What to do
921 unsigned short len; // Len of data
922 unsigned short ridnum; // rid number
923 unsigned char __user *data; // d-data
924 } aironet_ioctl;
925
926 static char swversion[] = "2.1";
927 #endif /* CISCO_EXT */
928
929 #define NUM_MODULES 2
930 #define MIC_MSGLEN_MAX 2400
931 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
932 #define AIRO_DEF_MTU 2312
933
934 typedef struct {
935 u32 size; // size
936 u8 enabled; // MIC enabled or not
937 u32 rxSuccess; // successful packets received
938 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
939 u32 rxNotMICed; // pkts dropped due to not being MIC'd
940 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
941 u32 rxWrongSequence; // pkts dropped due to sequence number violation
942 u32 reserve[32];
943 } mic_statistics;
944
945 typedef struct {
946 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
947 u64 accum; // accumulated mic, reduced to u32 in final()
948 int position; // current position (byte offset) in message
949 union {
950 u8 d8[4];
951 __be32 d32;
952 } part; // saves partial message word across update() calls
953 } emmh32_context;
954
955 typedef struct {
956 emmh32_context seed; // Context - the seed
957 u32 rx; // Received sequence number
958 u32 tx; // Tx sequence number
959 u32 window; // Start of window
960 u8 valid; // Flag to say if context is valid or not
961 u8 key[16];
962 } miccntx;
963
964 typedef struct {
965 miccntx mCtx; // Multicast context
966 miccntx uCtx; // Unicast context
967 } mic_module;
968
969 typedef struct {
970 unsigned int rid: 16;
971 unsigned int len: 15;
972 unsigned int valid: 1;
973 dma_addr_t host_addr;
974 } Rid;
975
976 typedef struct {
977 unsigned int offset: 15;
978 unsigned int eoc: 1;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982 } TxFid;
983
984 struct rx_hdr {
985 __le16 status, len;
986 u8 rssi[2];
987 u8 rate;
988 u8 freq;
989 __le16 tmp[4];
990 } __attribute__ ((packed));
991
992 typedef struct {
993 unsigned int ctl: 15;
994 unsigned int rdy: 1;
995 unsigned int len: 15;
996 unsigned int valid: 1;
997 dma_addr_t host_addr;
998 } RxFid;
999
1000 /*
1001 * Host receive descriptor
1002 */
1003 typedef struct {
1004 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1005 desc */
1006 RxFid rx_desc; /* card receive descriptor */
1007 char *virtual_host_addr; /* virtual address of host receive
1008 buffer */
1009 int pending;
1010 } HostRxDesc;
1011
1012 /*
1013 * Host transmit descriptor
1014 */
1015 typedef struct {
1016 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1017 desc */
1018 TxFid tx_desc; /* card transmit descriptor */
1019 char *virtual_host_addr; /* virtual address of host receive
1020 buffer */
1021 int pending;
1022 } HostTxDesc;
1023
1024 /*
1025 * Host RID descriptor
1026 */
1027 typedef struct {
1028 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1029 descriptor */
1030 Rid rid_desc; /* card RID descriptor */
1031 char *virtual_host_addr; /* virtual address of host receive
1032 buffer */
1033 } HostRidDesc;
1034
1035 typedef struct {
1036 u16 sw0;
1037 u16 sw1;
1038 u16 status;
1039 u16 len;
1040 #define HOST_SET (1 << 0)
1041 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1042 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1043 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1044 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1045 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1046 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1047 #define HOST_RTS (1 << 9) /* Force RTS use */
1048 #define HOST_SHORT (1 << 10) /* Do short preamble */
1049 u16 ctl;
1050 u16 aid;
1051 u16 retries;
1052 u16 fill;
1053 } TxCtlHdr;
1054
1055 typedef struct {
1056 u16 ctl;
1057 u16 duration;
1058 char addr1[6];
1059 char addr2[6];
1060 char addr3[6];
1061 u16 seq;
1062 char addr4[6];
1063 } WifiHdr;
1064
1065
1066 typedef struct {
1067 TxCtlHdr ctlhdr;
1068 u16 fill1;
1069 u16 fill2;
1070 WifiHdr wifihdr;
1071 u16 gaplen;
1072 u16 status;
1073 } WifiCtlHdr;
1074
1075 static WifiCtlHdr wifictlhdr8023 = {
1076 .ctlhdr = {
1077 .ctl = HOST_DONT_RLSE,
1078 }
1079 };
1080
1081 // A few details needed for WEP (Wireless Equivalent Privacy)
1082 #define MAX_KEY_SIZE 13 // 128 (?) bits
1083 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1084 typedef struct wep_key_t {
1085 u16 len;
1086 u8 key[16]; /* 40-bit and 104-bit keys */
1087 } wep_key_t;
1088
1089 /* Backward compatibility */
1090 #ifndef IW_ENCODE_NOKEY
1091 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1092 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1093 #endif /* IW_ENCODE_NOKEY */
1094
1095 /* List of Wireless Handlers (new API) */
1096 static const struct iw_handler_def airo_handler_def;
1097
1098 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1099
1100 struct airo_info;
1101
1102 static int get_dec_u16( char *buffer, int *start, int limit );
1103 static void OUT4500( struct airo_info *, u16 register, u16 value );
1104 static unsigned short IN4500( struct airo_info *, u16 register );
1105 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1106 static int enable_MAC(struct airo_info *ai, int lock);
1107 static void disable_MAC(struct airo_info *ai, int lock);
1108 static void enable_interrupts(struct airo_info*);
1109 static void disable_interrupts(struct airo_info*);
1110 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1111 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1112 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1113 int whichbap);
1114 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1117 int whichbap);
1118 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1119 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1120 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1121 *pBuf, int len, int lock);
1122 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1123 int len, int dummy );
1124 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1125 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1126 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1127
1128 static int mpi_send_packet (struct net_device *dev);
1129 static void mpi_unmap_card(struct pci_dev *pci);
1130 static void mpi_receive_802_3(struct airo_info *ai);
1131 static void mpi_receive_802_11(struct airo_info *ai);
1132 static int waitbusy (struct airo_info *ai);
1133
1134 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1135 static int airo_thread(void *data);
1136 static void timer_func( struct net_device *dev );
1137 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1138 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1139 static void airo_read_wireless_stats (struct airo_info *local);
1140 #ifdef CISCO_EXT
1141 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1142 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1143 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1144 #endif /* CISCO_EXT */
1145 static void micinit(struct airo_info *ai);
1146 static int micsetup(struct airo_info *ai);
1147 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1148 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1149
1150 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1151 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1152
1153 static void airo_networks_free(struct airo_info *ai);
1154
1155 struct airo_info {
1156 struct net_device *dev;
1157 struct list_head dev_list;
1158 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1159 use the high bit to mark whether it is in use. */
1160 #define MAX_FIDS 6
1161 #define MPI_MAX_FIDS 1
1162 int fids[MAX_FIDS];
1163 ConfigRid config;
1164 char keyindex; // Used with auto wep
1165 char defindex; // Used with auto wep
1166 struct proc_dir_entry *proc_entry;
1167 spinlock_t aux_lock;
1168 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1169 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1170 #define FLAG_RADIO_MASK 0x03
1171 #define FLAG_ENABLED 2
1172 #define FLAG_ADHOC 3 /* Needed by MIC */
1173 #define FLAG_MIC_CAPABLE 4
1174 #define FLAG_UPDATE_MULTI 5
1175 #define FLAG_UPDATE_UNI 6
1176 #define FLAG_802_11 7
1177 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1178 #define FLAG_PENDING_XMIT 9
1179 #define FLAG_PENDING_XMIT11 10
1180 #define FLAG_MPI 11
1181 #define FLAG_REGISTERED 12
1182 #define FLAG_COMMIT 13
1183 #define FLAG_RESET 14
1184 #define FLAG_FLASHING 15
1185 #define FLAG_WPA_CAPABLE 16
1186 unsigned long flags;
1187 #define JOB_DIE 0
1188 #define JOB_XMIT 1
1189 #define JOB_XMIT11 2
1190 #define JOB_STATS 3
1191 #define JOB_PROMISC 4
1192 #define JOB_MIC 5
1193 #define JOB_EVENT 6
1194 #define JOB_AUTOWEP 7
1195 #define JOB_WSTATS 8
1196 #define JOB_SCAN_RESULTS 9
1197 unsigned long jobs;
1198 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1199 int whichbap);
1200 unsigned short *flash;
1201 tdsRssiEntry *rssi;
1202 struct task_struct *list_bss_task;
1203 struct task_struct *airo_thread_task;
1204 struct semaphore sem;
1205 wait_queue_head_t thr_wait;
1206 unsigned long expires;
1207 struct {
1208 struct sk_buff *skb;
1209 int fid;
1210 } xmit, xmit11;
1211 struct net_device *wifidev;
1212 struct iw_statistics wstats; // wireless stats
1213 unsigned long scan_timeout; /* Time scan should be read */
1214 struct iw_spy_data spy_data;
1215 struct iw_public_data wireless_data;
1216 /* MIC stuff */
1217 struct crypto_cipher *tfm;
1218 mic_module mod[2];
1219 mic_statistics micstats;
1220 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1221 HostTxDesc txfids[MPI_MAX_FIDS];
1222 HostRidDesc config_desc;
1223 unsigned long ridbus; // phys addr of config_desc
1224 struct sk_buff_head txq;// tx queue used by mpi350 code
1225 struct pci_dev *pci;
1226 unsigned char __iomem *pcimem;
1227 unsigned char __iomem *pciaux;
1228 unsigned char *shared;
1229 dma_addr_t shared_dma;
1230 pm_message_t power;
1231 SsidRid *SSID;
1232 APListRid *APList;
1233 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1234 char proc_name[IFNAMSIZ];
1235
1236 int wep_capable;
1237 int max_wep_idx;
1238
1239 /* WPA-related stuff */
1240 unsigned int bssListFirst;
1241 unsigned int bssListNext;
1242 unsigned int bssListRidLen;
1243
1244 struct list_head network_list;
1245 struct list_head network_free_list;
1246 BSSListElement *networks;
1247 };
1248
1249 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1250 int whichbap)
1251 {
1252 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1253 }
1254
1255 static int setup_proc_entry( struct net_device *dev,
1256 struct airo_info *apriv );
1257 static int takedown_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259
1260 static int cmdreset(struct airo_info *ai);
1261 static int setflashmode (struct airo_info *ai);
1262 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1263 static int flashputbuf(struct airo_info *ai);
1264 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1265
1266 #define airo_print(type, name, fmt, args...) \
1267 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1268
1269 #define airo_print_info(name, fmt, args...) \
1270 airo_print(KERN_INFO, name, fmt, ##args)
1271
1272 #define airo_print_dbg(name, fmt, args...) \
1273 airo_print(KERN_DEBUG, name, fmt, ##args)
1274
1275 #define airo_print_warn(name, fmt, args...) \
1276 airo_print(KERN_WARNING, name, fmt, ##args)
1277
1278 #define airo_print_err(name, fmt, args...) \
1279 airo_print(KERN_ERR, name, fmt, ##args)
1280
1281 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1282
1283 /***********************************************************************
1284 * MIC ROUTINES *
1285 ***********************************************************************
1286 */
1287
1288 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1289 static void MoveWindow(miccntx *context, u32 micSeq);
1290 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1291 struct crypto_cipher *tfm);
1292 static void emmh32_init(emmh32_context *context);
1293 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1294 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1295 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1296
1297 /* micinit - Initialize mic seed */
1298
1299 static void micinit(struct airo_info *ai)
1300 {
1301 MICRid mic_rid;
1302
1303 clear_bit(JOB_MIC, &ai->jobs);
1304 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1305 up(&ai->sem);
1306
1307 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1308
1309 if (ai->micstats.enabled) {
1310 /* Key must be valid and different */
1311 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1312 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1313 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1314 /* Age current mic Context */
1315 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1316 /* Initialize new context */
1317 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1318 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1319 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1320 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1321 ai->mod[0].mCtx.valid = 1; //Key is now valid
1322
1323 /* Give key to mic seed */
1324 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1325 }
1326
1327 /* Key must be valid and different */
1328 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1329 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1330 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1331 /* Age current mic Context */
1332 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1333 /* Initialize new context */
1334 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1335
1336 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1337 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1338 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1339 ai->mod[0].uCtx.valid = 1; //Key is now valid
1340
1341 //Give key to mic seed
1342 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1343 }
1344 } else {
1345 /* So next time we have a valid key and mic is enabled, we will update
1346 * the sequence number if the key is the same as before.
1347 */
1348 ai->mod[0].uCtx.valid = 0;
1349 ai->mod[0].mCtx.valid = 0;
1350 }
1351 }
1352
1353 /* micsetup - Get ready for business */
1354
1355 static int micsetup(struct airo_info *ai) {
1356 int i;
1357
1358 if (ai->tfm == NULL)
1359 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1360
1361 if (IS_ERR(ai->tfm)) {
1362 airo_print_err(ai->dev->name, "failed to load transform for AES");
1363 ai->tfm = NULL;
1364 return ERROR;
1365 }
1366
1367 for (i=0; i < NUM_MODULES; i++) {
1368 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1369 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1370 }
1371 return SUCCESS;
1372 }
1373
1374 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1375
1376 /*===========================================================================
1377 * Description: Mic a packet
1378 *
1379 * Inputs: etherHead * pointer to an 802.3 frame
1380 *
1381 * Returns: BOOLEAN if successful, otherwise false.
1382 * PacketTxLen will be updated with the mic'd packets size.
1383 *
1384 * Caveats: It is assumed that the frame buffer will already
1385 * be big enough to hold the largets mic message possible.
1386 * (No memory allocation is done here).
1387 *
1388 * Author: sbraneky (10/15/01)
1389 * Merciless hacks by rwilcher (1/14/02)
1390 */
1391
1392 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1393 {
1394 miccntx *context;
1395
1396 // Determine correct context
1397 // If not adhoc, always use unicast key
1398
1399 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1400 context = &ai->mod[0].mCtx;
1401 else
1402 context = &ai->mod[0].uCtx;
1403
1404 if (!context->valid)
1405 return ERROR;
1406
1407 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1408
1409 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1410
1411 // Add Tx sequence
1412 mic->seq = htonl(context->tx);
1413 context->tx += 2;
1414
1415 emmh32_init(&context->seed); // Mic the packet
1416 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1417 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1418 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1419 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1420 emmh32_final(&context->seed, (u8*)&mic->mic);
1421
1422 /* New Type/length ?????????? */
1423 mic->typelen = 0; //Let NIC know it could be an oversized packet
1424 return SUCCESS;
1425 }
1426
1427 typedef enum {
1428 NONE,
1429 NOMIC,
1430 NOMICPLUMMED,
1431 SEQUENCE,
1432 INCORRECTMIC,
1433 } mic_error;
1434
1435 /*===========================================================================
1436 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1437 * (removes the MIC stuff) if packet is a valid packet.
1438 *
1439 * Inputs: etherHead pointer to the 802.3 packet
1440 *
1441 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1442 *
1443 * Author: sbraneky (10/15/01)
1444 * Merciless hacks by rwilcher (1/14/02)
1445 *---------------------------------------------------------------------------
1446 */
1447
1448 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1449 {
1450 int i;
1451 u32 micSEQ;
1452 miccntx *context;
1453 u8 digest[4];
1454 mic_error micError = NONE;
1455
1456 // Check if the packet is a Mic'd packet
1457
1458 if (!ai->micstats.enabled) {
1459 //No Mic set or Mic OFF but we received a MIC'd packet.
1460 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1461 ai->micstats.rxMICPlummed++;
1462 return ERROR;
1463 }
1464 return SUCCESS;
1465 }
1466
1467 if (ntohs(mic->typelen) == 0x888E)
1468 return SUCCESS;
1469
1470 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1471 // Mic enabled but packet isn't Mic'd
1472 ai->micstats.rxMICPlummed++;
1473 return ERROR;
1474 }
1475
1476 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1477
1478 //At this point we a have a mic'd packet and mic is enabled
1479 //Now do the mic error checking.
1480
1481 //Receive seq must be odd
1482 if ( (micSEQ & 1) == 0 ) {
1483 ai->micstats.rxWrongSequence++;
1484 return ERROR;
1485 }
1486
1487 for (i = 0; i < NUM_MODULES; i++) {
1488 int mcast = eth->da[0] & 1;
1489 //Determine proper context
1490 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1491
1492 //Make sure context is valid
1493 if (!context->valid) {
1494 if (i == 0)
1495 micError = NOMICPLUMMED;
1496 continue;
1497 }
1498 //DeMic it
1499
1500 if (!mic->typelen)
1501 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1502
1503 emmh32_init(&context->seed);
1504 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1505 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1506 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1507 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1508 //Calculate MIC
1509 emmh32_final(&context->seed, digest);
1510
1511 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1512 //Invalid Mic
1513 if (i == 0)
1514 micError = INCORRECTMIC;
1515 continue;
1516 }
1517
1518 //Check Sequence number if mics pass
1519 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1520 ai->micstats.rxSuccess++;
1521 return SUCCESS;
1522 }
1523 if (i == 0)
1524 micError = SEQUENCE;
1525 }
1526
1527 // Update statistics
1528 switch (micError) {
1529 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1530 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1531 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1532 case NONE: break;
1533 case NOMIC: break;
1534 }
1535 return ERROR;
1536 }
1537
1538 /*===========================================================================
1539 * Description: Checks the Rx Seq number to make sure it is valid
1540 * and hasn't already been received
1541 *
1542 * Inputs: miccntx - mic context to check seq against
1543 * micSeq - the Mic seq number
1544 *
1545 * Returns: TRUE if valid otherwise FALSE.
1546 *
1547 * Author: sbraneky (10/15/01)
1548 * Merciless hacks by rwilcher (1/14/02)
1549 *---------------------------------------------------------------------------
1550 */
1551
1552 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1553 {
1554 u32 seq,index;
1555
1556 //Allow for the ap being rebooted - if it is then use the next
1557 //sequence number of the current sequence number - might go backwards
1558
1559 if (mcast) {
1560 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1561 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1562 context->window = (micSeq > 33) ? micSeq : 33;
1563 context->rx = 0; // Reset rx
1564 }
1565 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1566 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1567 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1568 context->rx = 0; // Reset rx
1569 }
1570
1571 //Make sequence number relative to START of window
1572 seq = micSeq - (context->window - 33);
1573
1574 //Too old of a SEQ number to check.
1575 if ((s32)seq < 0)
1576 return ERROR;
1577
1578 if ( seq > 64 ) {
1579 //Window is infinite forward
1580 MoveWindow(context,micSeq);
1581 return SUCCESS;
1582 }
1583
1584 // We are in the window. Now check the context rx bit to see if it was already sent
1585 seq >>= 1; //divide by 2 because we only have odd numbers
1586 index = 1 << seq; //Get an index number
1587
1588 if (!(context->rx & index)) {
1589 //micSEQ falls inside the window.
1590 //Add seqence number to the list of received numbers.
1591 context->rx |= index;
1592
1593 MoveWindow(context,micSeq);
1594
1595 return SUCCESS;
1596 }
1597 return ERROR;
1598 }
1599
1600 static void MoveWindow(miccntx *context, u32 micSeq)
1601 {
1602 u32 shift;
1603
1604 //Move window if seq greater than the middle of the window
1605 if (micSeq > context->window) {
1606 shift = (micSeq - context->window) >> 1;
1607
1608 //Shift out old
1609 if (shift < 32)
1610 context->rx >>= shift;
1611 else
1612 context->rx = 0;
1613
1614 context->window = micSeq; //Move window
1615 }
1616 }
1617
1618 /*==============================================*/
1619 /*========== EMMH ROUTINES ====================*/
1620 /*==============================================*/
1621
1622 /* mic accumulate */
1623 #define MIC_ACCUM(val) \
1624 context->accum += (u64)(val) * context->coeff[coeff_position++];
1625
1626 static unsigned char aes_counter[16];
1627
1628 /* expand the key to fill the MMH coefficient array */
1629 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1630 struct crypto_cipher *tfm)
1631 {
1632 /* take the keying material, expand if necessary, truncate at 16-bytes */
1633 /* run through AES counter mode to generate context->coeff[] */
1634
1635 int i,j;
1636 u32 counter;
1637 u8 *cipher, plain[16];
1638
1639 crypto_cipher_setkey(tfm, pkey, 16);
1640 counter = 0;
1641 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1642 aes_counter[15] = (u8)(counter >> 0);
1643 aes_counter[14] = (u8)(counter >> 8);
1644 aes_counter[13] = (u8)(counter >> 16);
1645 aes_counter[12] = (u8)(counter >> 24);
1646 counter++;
1647 memcpy (plain, aes_counter, 16);
1648 crypto_cipher_encrypt_one(tfm, plain, plain);
1649 cipher = plain;
1650 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1651 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1652 j += 4;
1653 }
1654 }
1655 }
1656
1657 /* prepare for calculation of a new mic */
1658 static void emmh32_init(emmh32_context *context)
1659 {
1660 /* prepare for new mic calculation */
1661 context->accum = 0;
1662 context->position = 0;
1663 }
1664
1665 /* add some bytes to the mic calculation */
1666 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1667 {
1668 int coeff_position, byte_position;
1669
1670 if (len == 0) return;
1671
1672 coeff_position = context->position >> 2;
1673
1674 /* deal with partial 32-bit word left over from last update */
1675 byte_position = context->position & 3;
1676 if (byte_position) {
1677 /* have a partial word in part to deal with */
1678 do {
1679 if (len == 0) return;
1680 context->part.d8[byte_position++] = *pOctets++;
1681 context->position++;
1682 len--;
1683 } while (byte_position < 4);
1684 MIC_ACCUM(ntohl(context->part.d32));
1685 }
1686
1687 /* deal with full 32-bit words */
1688 while (len >= 4) {
1689 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1690 context->position += 4;
1691 pOctets += 4;
1692 len -= 4;
1693 }
1694
1695 /* deal with partial 32-bit word that will be left over from this update */
1696 byte_position = 0;
1697 while (len > 0) {
1698 context->part.d8[byte_position++] = *pOctets++;
1699 context->position++;
1700 len--;
1701 }
1702 }
1703
1704 /* mask used to zero empty bytes for final partial word */
1705 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1706
1707 /* calculate the mic */
1708 static void emmh32_final(emmh32_context *context, u8 digest[4])
1709 {
1710 int coeff_position, byte_position;
1711 u32 val;
1712
1713 u64 sum, utmp;
1714 s64 stmp;
1715
1716 coeff_position = context->position >> 2;
1717
1718 /* deal with partial 32-bit word left over from last update */
1719 byte_position = context->position & 3;
1720 if (byte_position) {
1721 /* have a partial word in part to deal with */
1722 val = ntohl(context->part.d32);
1723 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1724 }
1725
1726 /* reduce the accumulated u64 to a 32-bit MIC */
1727 sum = context->accum;
1728 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1729 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1730 sum = utmp & 0xffffffffLL;
1731 if (utmp > 0x10000000fLL)
1732 sum -= 15;
1733
1734 val = (u32)sum;
1735 digest[0] = (val>>24) & 0xFF;
1736 digest[1] = (val>>16) & 0xFF;
1737 digest[2] = (val>>8) & 0xFF;
1738 digest[3] = val & 0xFF;
1739 }
1740
1741 static int readBSSListRid(struct airo_info *ai, int first,
1742 BSSListRid *list)
1743 {
1744 Cmd cmd;
1745 Resp rsp;
1746
1747 if (first == 1) {
1748 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1749 memset(&cmd, 0, sizeof(cmd));
1750 cmd.cmd=CMD_LISTBSS;
1751 if (down_interruptible(&ai->sem))
1752 return -ERESTARTSYS;
1753 ai->list_bss_task = current;
1754 issuecommand(ai, &cmd, &rsp);
1755 up(&ai->sem);
1756 /* Let the command take effect */
1757 schedule_timeout_uninterruptible(3 * HZ);
1758 ai->list_bss_task = NULL;
1759 }
1760 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1761 list, ai->bssListRidLen, 1);
1762 }
1763
1764 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1765 {
1766 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1767 wkr, sizeof(*wkr), lock);
1768 }
1769
1770 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1771 {
1772 int rc;
1773 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1774 if (rc!=SUCCESS)
1775 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1776 if (perm) {
1777 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1778 if (rc!=SUCCESS)
1779 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1780 }
1781 return rc;
1782 }
1783
1784 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1785 {
1786 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1787 }
1788
1789 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1790 {
1791 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1792 }
1793
1794 static int readConfigRid(struct airo_info *ai, int lock)
1795 {
1796 int rc;
1797 ConfigRid cfg;
1798
1799 if (ai->config.len)
1800 return SUCCESS;
1801
1802 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1803 if (rc != SUCCESS)
1804 return rc;
1805
1806 ai->config = cfg;
1807 return SUCCESS;
1808 }
1809
1810 static inline void checkThrottle(struct airo_info *ai)
1811 {
1812 int i;
1813 /* Old hardware had a limit on encryption speed */
1814 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1815 for(i=0; i<8; i++) {
1816 if (ai->config.rates[i] > maxencrypt) {
1817 ai->config.rates[i] = 0;
1818 }
1819 }
1820 }
1821 }
1822
1823 static int writeConfigRid(struct airo_info *ai, int lock)
1824 {
1825 ConfigRid cfgr;
1826
1827 if (!test_bit (FLAG_COMMIT, &ai->flags))
1828 return SUCCESS;
1829
1830 clear_bit (FLAG_COMMIT, &ai->flags);
1831 clear_bit (FLAG_RESET, &ai->flags);
1832 checkThrottle(ai);
1833 cfgr = ai->config;
1834
1835 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1836 set_bit(FLAG_ADHOC, &ai->flags);
1837 else
1838 clear_bit(FLAG_ADHOC, &ai->flags);
1839
1840 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1841 }
1842
1843 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1844 {
1845 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1846 }
1847
1848 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1849 {
1850 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1851 }
1852
1853 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1854 {
1855 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1856 }
1857
1858 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1859 {
1860 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1861 }
1862
1863 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1864 {
1865 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1866 }
1867
1868 static void try_auto_wep(struct airo_info *ai)
1869 {
1870 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1871 ai->expires = RUN_AT(3*HZ);
1872 wake_up_interruptible(&ai->thr_wait);
1873 }
1874 }
1875
1876 static int airo_open(struct net_device *dev) {
1877 struct airo_info *ai = dev->ml_priv;
1878 int rc = 0;
1879
1880 if (test_bit(FLAG_FLASHING, &ai->flags))
1881 return -EIO;
1882
1883 /* Make sure the card is configured.
1884 * Wireless Extensions may postpone config changes until the card
1885 * is open (to pipeline changes and speed-up card setup). If
1886 * those changes are not yet commited, do it now - Jean II */
1887 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1888 disable_MAC(ai, 1);
1889 writeConfigRid(ai, 1);
1890 }
1891
1892 if (ai->wifidev != dev) {
1893 clear_bit(JOB_DIE, &ai->jobs);
1894 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1895 if (IS_ERR(ai->airo_thread_task))
1896 return (int)PTR_ERR(ai->airo_thread_task);
1897
1898 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1899 dev->name, dev);
1900 if (rc) {
1901 airo_print_err(dev->name,
1902 "register interrupt %d failed, rc %d",
1903 dev->irq, rc);
1904 set_bit(JOB_DIE, &ai->jobs);
1905 kthread_stop(ai->airo_thread_task);
1906 return rc;
1907 }
1908
1909 /* Power on the MAC controller (which may have been disabled) */
1910 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1911 enable_interrupts(ai);
1912
1913 try_auto_wep(ai);
1914 }
1915 enable_MAC(ai, 1);
1916
1917 netif_start_queue(dev);
1918 return 0;
1919 }
1920
1921 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1922 int npacks, pending;
1923 unsigned long flags;
1924 struct airo_info *ai = dev->ml_priv;
1925
1926 if (!skb) {
1927 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1928 return 0;
1929 }
1930 npacks = skb_queue_len (&ai->txq);
1931
1932 if (npacks >= MAXTXQ - 1) {
1933 netif_stop_queue (dev);
1934 if (npacks > MAXTXQ) {
1935 dev->stats.tx_fifo_errors++;
1936 return 1;
1937 }
1938 skb_queue_tail (&ai->txq, skb);
1939 return 0;
1940 }
1941
1942 spin_lock_irqsave(&ai->aux_lock, flags);
1943 skb_queue_tail (&ai->txq, skb);
1944 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1945 spin_unlock_irqrestore(&ai->aux_lock,flags);
1946 netif_wake_queue (dev);
1947
1948 if (pending == 0) {
1949 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 mpi_send_packet (dev);
1951 }
1952 return 0;
1953 }
1954
1955 /*
1956 * @mpi_send_packet
1957 *
1958 * Attempt to transmit a packet. Can be called from interrupt
1959 * or transmit . return number of packets we tried to send
1960 */
1961
1962 static int mpi_send_packet (struct net_device *dev)
1963 {
1964 struct sk_buff *skb;
1965 unsigned char *buffer;
1966 s16 len;
1967 __le16 *payloadLen;
1968 struct airo_info *ai = dev->ml_priv;
1969 u8 *sendbuf;
1970
1971 /* get a packet to send */
1972
1973 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1974 airo_print_err(dev->name,
1975 "%s: Dequeue'd zero in send_packet()",
1976 __func__);
1977 return 0;
1978 }
1979
1980 /* check min length*/
1981 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1982 buffer = skb->data;
1983
1984 ai->txfids[0].tx_desc.offset = 0;
1985 ai->txfids[0].tx_desc.valid = 1;
1986 ai->txfids[0].tx_desc.eoc = 1;
1987 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1988
1989 /*
1990 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1991 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1992 * is immediatly after it. ------------------------------------------------
1993 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1994 * ------------------------------------------------
1995 */
1996
1997 memcpy((char *)ai->txfids[0].virtual_host_addr,
1998 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1999
2000 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2001 sizeof(wifictlhdr8023));
2002 sendbuf = ai->txfids[0].virtual_host_addr +
2003 sizeof(wifictlhdr8023) + 2 ;
2004
2005 /*
2006 * Firmware automaticly puts 802 header on so
2007 * we don't need to account for it in the length
2008 */
2009 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2010 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2011 MICBuffer pMic;
2012
2013 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2014 return ERROR;
2015
2016 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2017 ai->txfids[0].tx_desc.len += sizeof(pMic);
2018 /* copy data into airo dma buffer */
2019 memcpy (sendbuf, buffer, sizeof(etherHead));
2020 buffer += sizeof(etherHead);
2021 sendbuf += sizeof(etherHead);
2022 memcpy (sendbuf, &pMic, sizeof(pMic));
2023 sendbuf += sizeof(pMic);
2024 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2025 } else {
2026 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2027
2028 dev->trans_start = jiffies;
2029
2030 /* copy data into airo dma buffer */
2031 memcpy(sendbuf, buffer, len);
2032 }
2033
2034 memcpy_toio(ai->txfids[0].card_ram_off,
2035 &ai->txfids[0].tx_desc, sizeof(TxFid));
2036
2037 OUT4500(ai, EVACK, 8);
2038
2039 dev_kfree_skb_any(skb);
2040 return 1;
2041 }
2042
2043 static void get_tx_error(struct airo_info *ai, s32 fid)
2044 {
2045 __le16 status;
2046
2047 if (fid < 0)
2048 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2049 else {
2050 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2051 return;
2052 bap_read(ai, &status, 2, BAP0);
2053 }
2054 if (le16_to_cpu(status) & 2) /* Too many retries */
2055 ai->dev->stats.tx_aborted_errors++;
2056 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2057 ai->dev->stats.tx_heartbeat_errors++;
2058 if (le16_to_cpu(status) & 8) /* Aid fail */
2059 { }
2060 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2061 ai->dev->stats.tx_carrier_errors++;
2062 if (le16_to_cpu(status) & 0x20) /* Association lost */
2063 { }
2064 /* We produce a TXDROP event only for retry or lifetime
2065 * exceeded, because that's the only status that really mean
2066 * that this particular node went away.
2067 * Other errors means that *we* screwed up. - Jean II */
2068 if ((le16_to_cpu(status) & 2) ||
2069 (le16_to_cpu(status) & 4)) {
2070 union iwreq_data wrqu;
2071 char junk[0x18];
2072
2073 /* Faster to skip over useless data than to do
2074 * another bap_setup(). We are at offset 0x6 and
2075 * need to go to 0x18 and read 6 bytes - Jean II */
2076 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2077
2078 /* Copy 802.11 dest address.
2079 * We use the 802.11 header because the frame may
2080 * not be 802.3 or may be mangled...
2081 * In Ad-Hoc mode, it will be the node address.
2082 * In managed mode, it will be most likely the AP addr
2083 * User space will figure out how to convert it to
2084 * whatever it needs (IP address or else).
2085 * - Jean II */
2086 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2087 wrqu.addr.sa_family = ARPHRD_ETHER;
2088
2089 /* Send event to user space */
2090 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2091 }
2092 }
2093
2094 static void airo_end_xmit(struct net_device *dev) {
2095 u16 status;
2096 int i;
2097 struct airo_info *priv = dev->ml_priv;
2098 struct sk_buff *skb = priv->xmit.skb;
2099 int fid = priv->xmit.fid;
2100 u32 *fids = priv->fids;
2101
2102 clear_bit(JOB_XMIT, &priv->jobs);
2103 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2104 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2105 up(&priv->sem);
2106
2107 i = 0;
2108 if ( status == SUCCESS ) {
2109 dev->trans_start = jiffies;
2110 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2111 } else {
2112 priv->fids[fid] &= 0xffff;
2113 dev->stats.tx_window_errors++;
2114 }
2115 if (i < MAX_FIDS / 2)
2116 netif_wake_queue(dev);
2117 dev_kfree_skb(skb);
2118 }
2119
2120 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2121 s16 len;
2122 int i, j;
2123 struct airo_info *priv = dev->ml_priv;
2124 u32 *fids = priv->fids;
2125
2126 if ( skb == NULL ) {
2127 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2128 return 0;
2129 }
2130
2131 /* Find a vacant FID */
2132 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2133 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2134
2135 if ( j >= MAX_FIDS / 2 ) {
2136 netif_stop_queue(dev);
2137
2138 if (i == MAX_FIDS / 2) {
2139 dev->stats.tx_fifo_errors++;
2140 return 1;
2141 }
2142 }
2143 /* check min length*/
2144 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2145 /* Mark fid as used & save length for later */
2146 fids[i] |= (len << 16);
2147 priv->xmit.skb = skb;
2148 priv->xmit.fid = i;
2149 if (down_trylock(&priv->sem) != 0) {
2150 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2151 netif_stop_queue(dev);
2152 set_bit(JOB_XMIT, &priv->jobs);
2153 wake_up_interruptible(&priv->thr_wait);
2154 } else
2155 airo_end_xmit(dev);
2156 return 0;
2157 }
2158
2159 static void airo_end_xmit11(struct net_device *dev) {
2160 u16 status;
2161 int i;
2162 struct airo_info *priv = dev->ml_priv;
2163 struct sk_buff *skb = priv->xmit11.skb;
2164 int fid = priv->xmit11.fid;
2165 u32 *fids = priv->fids;
2166
2167 clear_bit(JOB_XMIT11, &priv->jobs);
2168 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2169 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2170 up(&priv->sem);
2171
2172 i = MAX_FIDS / 2;
2173 if ( status == SUCCESS ) {
2174 dev->trans_start = jiffies;
2175 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2176 } else {
2177 priv->fids[fid] &= 0xffff;
2178 dev->stats.tx_window_errors++;
2179 }
2180 if (i < MAX_FIDS)
2181 netif_wake_queue(dev);
2182 dev_kfree_skb(skb);
2183 }
2184
2185 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2186 s16 len;
2187 int i, j;
2188 struct airo_info *priv = dev->ml_priv;
2189 u32 *fids = priv->fids;
2190
2191 if (test_bit(FLAG_MPI, &priv->flags)) {
2192 /* Not implemented yet for MPI350 */
2193 netif_stop_queue(dev);
2194 return -ENETDOWN;
2195 }
2196
2197 if ( skb == NULL ) {
2198 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2199 return 0;
2200 }
2201
2202 /* Find a vacant FID */
2203 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2204 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2205
2206 if ( j >= MAX_FIDS ) {
2207 netif_stop_queue(dev);
2208
2209 if (i == MAX_FIDS) {
2210 dev->stats.tx_fifo_errors++;
2211 return 1;
2212 }
2213 }
2214 /* check min length*/
2215 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2216 /* Mark fid as used & save length for later */
2217 fids[i] |= (len << 16);
2218 priv->xmit11.skb = skb;
2219 priv->xmit11.fid = i;
2220 if (down_trylock(&priv->sem) != 0) {
2221 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2222 netif_stop_queue(dev);
2223 set_bit(JOB_XMIT11, &priv->jobs);
2224 wake_up_interruptible(&priv->thr_wait);
2225 } else
2226 airo_end_xmit11(dev);
2227 return 0;
2228 }
2229
2230 static void airo_read_stats(struct net_device *dev)
2231 {
2232 struct airo_info *ai = dev->ml_priv;
2233 StatsRid stats_rid;
2234 __le32 *vals = stats_rid.vals;
2235
2236 clear_bit(JOB_STATS, &ai->jobs);
2237 if (ai->power.event) {
2238 up(&ai->sem);
2239 return;
2240 }
2241 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2242 up(&ai->sem);
2243
2244 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2245 le32_to_cpu(vals[45]);
2246 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2247 le32_to_cpu(vals[41]);
2248 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2249 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2250 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2251 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2252 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2253 dev->stats.tx_fifo_errors;
2254 dev->stats.multicast = le32_to_cpu(vals[43]);
2255 dev->stats.collisions = le32_to_cpu(vals[89]);
2256
2257 /* detailed rx_errors: */
2258 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2259 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2260 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2261 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2262 }
2263
2264 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2265 {
2266 struct airo_info *local = dev->ml_priv;
2267
2268 if (!test_bit(JOB_STATS, &local->jobs)) {
2269 /* Get stats out of the card if available */
2270 if (down_trylock(&local->sem) != 0) {
2271 set_bit(JOB_STATS, &local->jobs);
2272 wake_up_interruptible(&local->thr_wait);
2273 } else
2274 airo_read_stats(dev);
2275 }
2276
2277 return &dev->stats;
2278 }
2279
2280 static void airo_set_promisc(struct airo_info *ai) {
2281 Cmd cmd;
2282 Resp rsp;
2283
2284 memset(&cmd, 0, sizeof(cmd));
2285 cmd.cmd=CMD_SETMODE;
2286 clear_bit(JOB_PROMISC, &ai->jobs);
2287 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2288 issuecommand(ai, &cmd, &rsp);
2289 up(&ai->sem);
2290 }
2291
2292 static void airo_set_multicast_list(struct net_device *dev) {
2293 struct airo_info *ai = dev->ml_priv;
2294
2295 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2296 change_bit(FLAG_PROMISC, &ai->flags);
2297 if (down_trylock(&ai->sem) != 0) {
2298 set_bit(JOB_PROMISC, &ai->jobs);
2299 wake_up_interruptible(&ai->thr_wait);
2300 } else
2301 airo_set_promisc(ai);
2302 }
2303
2304 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2305 /* Turn on multicast. (Should be already setup...) */
2306 }
2307 }
2308
2309 static int airo_set_mac_address(struct net_device *dev, void *p)
2310 {
2311 struct airo_info *ai = dev->ml_priv;
2312 struct sockaddr *addr = p;
2313
2314 readConfigRid(ai, 1);
2315 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2316 set_bit (FLAG_COMMIT, &ai->flags);
2317 disable_MAC(ai, 1);
2318 writeConfigRid (ai, 1);
2319 enable_MAC(ai, 1);
2320 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2321 if (ai->wifidev)
2322 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2323 return 0;
2324 }
2325
2326 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2327 {
2328 if ((new_mtu < 68) || (new_mtu > 2400))
2329 return -EINVAL;
2330 dev->mtu = new_mtu;
2331 return 0;
2332 }
2333
2334 static LIST_HEAD(airo_devices);
2335
2336 static void add_airo_dev(struct airo_info *ai)
2337 {
2338 /* Upper layers already keep track of PCI devices,
2339 * so we only need to remember our non-PCI cards. */
2340 if (!ai->pci)
2341 list_add_tail(&ai->dev_list, &airo_devices);
2342 }
2343
2344 static void del_airo_dev(struct airo_info *ai)
2345 {
2346 if (!ai->pci)
2347 list_del(&ai->dev_list);
2348 }
2349
2350 static int airo_close(struct net_device *dev) {
2351 struct airo_info *ai = dev->ml_priv;
2352
2353 netif_stop_queue(dev);
2354
2355 if (ai->wifidev != dev) {
2356 #ifdef POWER_ON_DOWN
2357 /* Shut power to the card. The idea is that the user can save
2358 * power when he doesn't need the card with "ifconfig down".
2359 * That's the method that is most friendly towards the network
2360 * stack (i.e. the network stack won't try to broadcast
2361 * anything on the interface and routes are gone. Jean II */
2362 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2363 disable_MAC(ai, 1);
2364 #endif
2365 disable_interrupts( ai );
2366
2367 free_irq(dev->irq, dev);
2368
2369 set_bit(JOB_DIE, &ai->jobs);
2370 kthread_stop(ai->airo_thread_task);
2371 }
2372 return 0;
2373 }
2374
2375 void stop_airo_card( struct net_device *dev, int freeres )
2376 {
2377 struct airo_info *ai = dev->ml_priv;
2378
2379 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2380 disable_MAC(ai, 1);
2381 disable_interrupts(ai);
2382 takedown_proc_entry( dev, ai );
2383 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2384 unregister_netdev( dev );
2385 if (ai->wifidev) {
2386 unregister_netdev(ai->wifidev);
2387 free_netdev(ai->wifidev);
2388 ai->wifidev = NULL;
2389 }
2390 clear_bit(FLAG_REGISTERED, &ai->flags);
2391 }
2392 /*
2393 * Clean out tx queue
2394 */
2395 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2396 struct sk_buff *skb = NULL;
2397 for (;(skb = skb_dequeue(&ai->txq));)
2398 dev_kfree_skb(skb);
2399 }
2400
2401 airo_networks_free (ai);
2402
2403 kfree(ai->flash);
2404 kfree(ai->rssi);
2405 kfree(ai->APList);
2406 kfree(ai->SSID);
2407 if (freeres) {
2408 /* PCMCIA frees this stuff, so only for PCI and ISA */
2409 release_region( dev->base_addr, 64 );
2410 if (test_bit(FLAG_MPI, &ai->flags)) {
2411 if (ai->pci)
2412 mpi_unmap_card(ai->pci);
2413 if (ai->pcimem)
2414 iounmap(ai->pcimem);
2415 if (ai->pciaux)
2416 iounmap(ai->pciaux);
2417 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2418 ai->shared, ai->shared_dma);
2419 }
2420 }
2421 crypto_free_cipher(ai->tfm);
2422 del_airo_dev(ai);
2423 free_netdev( dev );
2424 }
2425
2426 EXPORT_SYMBOL(stop_airo_card);
2427
2428 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2429 {
2430 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2431 return ETH_ALEN;
2432 }
2433
2434 static void mpi_unmap_card(struct pci_dev *pci)
2435 {
2436 unsigned long mem_start = pci_resource_start(pci, 1);
2437 unsigned long mem_len = pci_resource_len(pci, 1);
2438 unsigned long aux_start = pci_resource_start(pci, 2);
2439 unsigned long aux_len = AUXMEMSIZE;
2440
2441 release_mem_region(aux_start, aux_len);
2442 release_mem_region(mem_start, mem_len);
2443 }
2444
2445 /*************************************************************
2446 * This routine assumes that descriptors have been setup .
2447 * Run at insmod time or after reset when the decriptors
2448 * have been initialized . Returns 0 if all is well nz
2449 * otherwise . Does not allocate memory but sets up card
2450 * using previously allocated descriptors.
2451 */
2452 static int mpi_init_descriptors (struct airo_info *ai)
2453 {
2454 Cmd cmd;
2455 Resp rsp;
2456 int i;
2457 int rc = SUCCESS;
2458
2459 /* Alloc card RX descriptors */
2460 netif_stop_queue(ai->dev);
2461
2462 memset(&rsp,0,sizeof(rsp));
2463 memset(&cmd,0,sizeof(cmd));
2464
2465 cmd.cmd = CMD_ALLOCATEAUX;
2466 cmd.parm0 = FID_RX;
2467 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2468 cmd.parm2 = MPI_MAX_FIDS;
2469 rc=issuecommand(ai, &cmd, &rsp);
2470 if (rc != SUCCESS) {
2471 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2472 return rc;
2473 }
2474
2475 for (i=0; i<MPI_MAX_FIDS; i++) {
2476 memcpy_toio(ai->rxfids[i].card_ram_off,
2477 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2478 }
2479
2480 /* Alloc card TX descriptors */
2481
2482 memset(&rsp,0,sizeof(rsp));
2483 memset(&cmd,0,sizeof(cmd));
2484
2485 cmd.cmd = CMD_ALLOCATEAUX;
2486 cmd.parm0 = FID_TX;
2487 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2488 cmd.parm2 = MPI_MAX_FIDS;
2489
2490 for (i=0; i<MPI_MAX_FIDS; i++) {
2491 ai->txfids[i].tx_desc.valid = 1;
2492 memcpy_toio(ai->txfids[i].card_ram_off,
2493 &ai->txfids[i].tx_desc, sizeof(TxFid));
2494 }
2495 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2496
2497 rc=issuecommand(ai, &cmd, &rsp);
2498 if (rc != SUCCESS) {
2499 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2500 return rc;
2501 }
2502
2503 /* Alloc card Rid descriptor */
2504 memset(&rsp,0,sizeof(rsp));
2505 memset(&cmd,0,sizeof(cmd));
2506
2507 cmd.cmd = CMD_ALLOCATEAUX;
2508 cmd.parm0 = RID_RW;
2509 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2510 cmd.parm2 = 1; /* Magic number... */
2511 rc=issuecommand(ai, &cmd, &rsp);
2512 if (rc != SUCCESS) {
2513 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2514 return rc;
2515 }
2516
2517 memcpy_toio(ai->config_desc.card_ram_off,
2518 &ai->config_desc.rid_desc, sizeof(Rid));
2519
2520 return rc;
2521 }
2522
2523 /*
2524 * We are setting up three things here:
2525 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2526 * 2) Map PCI memory for issueing commands.
2527 * 3) Allocate memory (shared) to send and receive ethernet frames.
2528 */
2529 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2530 {
2531 unsigned long mem_start, mem_len, aux_start, aux_len;
2532 int rc = -1;
2533 int i;
2534 dma_addr_t busaddroff;
2535 unsigned char *vpackoff;
2536 unsigned char __iomem *pciaddroff;
2537
2538 mem_start = pci_resource_start(pci, 1);
2539 mem_len = pci_resource_len(pci, 1);
2540 aux_start = pci_resource_start(pci, 2);
2541 aux_len = AUXMEMSIZE;
2542
2543 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2544 airo_print_err("", "Couldn't get region %x[%x]",
2545 (int)mem_start, (int)mem_len);
2546 goto out;
2547 }
2548 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2549 airo_print_err("", "Couldn't get region %x[%x]",
2550 (int)aux_start, (int)aux_len);
2551 goto free_region1;
2552 }
2553
2554 ai->pcimem = ioremap(mem_start, mem_len);
2555 if (!ai->pcimem) {
2556 airo_print_err("", "Couldn't map region %x[%x]",
2557 (int)mem_start, (int)mem_len);
2558 goto free_region2;
2559 }
2560 ai->pciaux = ioremap(aux_start, aux_len);
2561 if (!ai->pciaux) {
2562 airo_print_err("", "Couldn't map region %x[%x]",
2563 (int)aux_start, (int)aux_len);
2564 goto free_memmap;
2565 }
2566
2567 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2568 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2569 if (!ai->shared) {
2570 airo_print_err("", "Couldn't alloc_consistent %d",
2571 PCI_SHARED_LEN);
2572 goto free_auxmap;
2573 }
2574
2575 /*
2576 * Setup descriptor RX, TX, CONFIG
2577 */
2578 busaddroff = ai->shared_dma;
2579 pciaddroff = ai->pciaux + AUX_OFFSET;
2580 vpackoff = ai->shared;
2581
2582 /* RX descriptor setup */
2583 for(i = 0; i < MPI_MAX_FIDS; i++) {
2584 ai->rxfids[i].pending = 0;
2585 ai->rxfids[i].card_ram_off = pciaddroff;
2586 ai->rxfids[i].virtual_host_addr = vpackoff;
2587 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2588 ai->rxfids[i].rx_desc.valid = 1;
2589 ai->rxfids[i].rx_desc.len = PKTSIZE;
2590 ai->rxfids[i].rx_desc.rdy = 0;
2591
2592 pciaddroff += sizeof(RxFid);
2593 busaddroff += PKTSIZE;
2594 vpackoff += PKTSIZE;
2595 }
2596
2597 /* TX descriptor setup */
2598 for(i = 0; i < MPI_MAX_FIDS; i++) {
2599 ai->txfids[i].card_ram_off = pciaddroff;
2600 ai->txfids[i].virtual_host_addr = vpackoff;
2601 ai->txfids[i].tx_desc.valid = 1;
2602 ai->txfids[i].tx_desc.host_addr = busaddroff;
2603 memcpy(ai->txfids[i].virtual_host_addr,
2604 &wifictlhdr8023, sizeof(wifictlhdr8023));
2605
2606 pciaddroff += sizeof(TxFid);
2607 busaddroff += PKTSIZE;
2608 vpackoff += PKTSIZE;
2609 }
2610 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2611
2612 /* Rid descriptor setup */
2613 ai->config_desc.card_ram_off = pciaddroff;
2614 ai->config_desc.virtual_host_addr = vpackoff;
2615 ai->config_desc.rid_desc.host_addr = busaddroff;
2616 ai->ridbus = busaddroff;
2617 ai->config_desc.rid_desc.rid = 0;
2618 ai->config_desc.rid_desc.len = RIDSIZE;
2619 ai->config_desc.rid_desc.valid = 1;
2620 pciaddroff += sizeof(Rid);
2621 busaddroff += RIDSIZE;
2622 vpackoff += RIDSIZE;
2623
2624 /* Tell card about descriptors */
2625 if (mpi_init_descriptors (ai) != SUCCESS)
2626 goto free_shared;
2627
2628 return 0;
2629 free_shared:
2630 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2631 free_auxmap:
2632 iounmap(ai->pciaux);
2633 free_memmap:
2634 iounmap(ai->pcimem);
2635 free_region2:
2636 release_mem_region(aux_start, aux_len);
2637 free_region1:
2638 release_mem_region(mem_start, mem_len);
2639 out:
2640 return rc;
2641 }
2642
2643 static const struct header_ops airo_header_ops = {
2644 .parse = wll_header_parse,
2645 };
2646
2647 static void wifi_setup(struct net_device *dev)
2648 {
2649 dev->header_ops = &airo_header_ops;
2650 dev->hard_start_xmit = &airo_start_xmit11;
2651 dev->get_stats = &airo_get_stats;
2652 dev->set_mac_address = &airo_set_mac_address;
2653 dev->do_ioctl = &airo_ioctl;
2654 dev->wireless_handlers = &airo_handler_def;
2655 dev->change_mtu = &airo_change_mtu;
2656 dev->open = &airo_open;
2657 dev->stop = &airo_close;
2658
2659 dev->type = ARPHRD_IEEE80211;
2660 dev->hard_header_len = ETH_HLEN;
2661 dev->mtu = AIRO_DEF_MTU;
2662 dev->addr_len = ETH_ALEN;
2663 dev->tx_queue_len = 100;
2664
2665 memset(dev->broadcast,0xFF, ETH_ALEN);
2666
2667 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2668 }
2669
2670 static struct net_device *init_wifidev(struct airo_info *ai,
2671 struct net_device *ethdev)
2672 {
2673 int err;
2674 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2675 if (!dev)
2676 return NULL;
2677 dev->ml_priv = ethdev->ml_priv;
2678 dev->irq = ethdev->irq;
2679 dev->base_addr = ethdev->base_addr;
2680 dev->wireless_data = ethdev->wireless_data;
2681 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2682 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2683 err = register_netdev(dev);
2684 if (err<0) {
2685 free_netdev(dev);
2686 return NULL;
2687 }
2688 return dev;
2689 }
2690
2691 static int reset_card( struct net_device *dev , int lock) {
2692 struct airo_info *ai = dev->ml_priv;
2693
2694 if (lock && down_interruptible(&ai->sem))
2695 return -1;
2696 waitbusy (ai);
2697 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2698 msleep(200);
2699 waitbusy (ai);
2700 msleep(200);
2701 if (lock)
2702 up(&ai->sem);
2703 return 0;
2704 }
2705
2706 #define AIRO_MAX_NETWORK_COUNT 64
2707 static int airo_networks_allocate(struct airo_info *ai)
2708 {
2709 if (ai->networks)
2710 return 0;
2711
2712 ai->networks =
2713 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2714 GFP_KERNEL);
2715 if (!ai->networks) {
2716 airo_print_warn("", "Out of memory allocating beacons");
2717 return -ENOMEM;
2718 }
2719
2720 return 0;
2721 }
2722
2723 static void airo_networks_free(struct airo_info *ai)
2724 {
2725 kfree(ai->networks);
2726 ai->networks = NULL;
2727 }
2728
2729 static void airo_networks_initialize(struct airo_info *ai)
2730 {
2731 int i;
2732
2733 INIT_LIST_HEAD(&ai->network_free_list);
2734 INIT_LIST_HEAD(&ai->network_list);
2735 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2736 list_add_tail(&ai->networks[i].list,
2737 &ai->network_free_list);
2738 }
2739
2740 static struct net_device *_init_airo_card( unsigned short irq, int port,
2741 int is_pcmcia, struct pci_dev *pci,
2742 struct device *dmdev )
2743 {
2744 struct net_device *dev;
2745 struct airo_info *ai;
2746 int i, rc;
2747 CapabilityRid cap_rid;
2748
2749 /* Create the network device object. */
2750 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2751 if (!dev) {
2752 airo_print_err("", "Couldn't alloc_etherdev");
2753 return NULL;
2754 }
2755
2756 ai = dev->ml_priv = netdev_priv(dev);
2757 ai->wifidev = NULL;
2758 ai->flags = 1 << FLAG_RADIO_DOWN;
2759 ai->jobs = 0;
2760 ai->dev = dev;
2761 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2762 airo_print_dbg("", "Found an MPI350 card");
2763 set_bit(FLAG_MPI, &ai->flags);
2764 }
2765 spin_lock_init(&ai->aux_lock);
2766 sema_init(&ai->sem, 1);
2767 ai->config.len = 0;
2768 ai->pci = pci;
2769 init_waitqueue_head (&ai->thr_wait);
2770 ai->tfm = NULL;
2771 add_airo_dev(ai);
2772
2773 if (airo_networks_allocate (ai))
2774 goto err_out_free;
2775 airo_networks_initialize (ai);
2776
2777 /* The Airo-specific entries in the device structure. */
2778 if (test_bit(FLAG_MPI,&ai->flags)) {
2779 skb_queue_head_init (&ai->txq);
2780 dev->hard_start_xmit = &mpi_start_xmit;
2781 } else
2782 dev->hard_start_xmit = &airo_start_xmit;
2783 dev->get_stats = &airo_get_stats;
2784 dev->set_multicast_list = &airo_set_multicast_list;
2785 dev->set_mac_address = &airo_set_mac_address;
2786 dev->do_ioctl = &airo_ioctl;
2787 dev->wireless_handlers = &airo_handler_def;
2788 ai->wireless_data.spy_data = &ai->spy_data;
2789 dev->wireless_data = &ai->wireless_data;
2790 dev->change_mtu = &airo_change_mtu;
2791 dev->open = &airo_open;
2792 dev->stop = &airo_close;
2793 dev->irq = irq;
2794 dev->base_addr = port;
2795
2796 SET_NETDEV_DEV(dev, dmdev);
2797
2798 reset_card (dev, 1);
2799 msleep(400);
2800
2801 if (!is_pcmcia) {
2802 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2803 rc = -EBUSY;
2804 airo_print_err(dev->name, "Couldn't request region");
2805 goto err_out_nets;
2806 }
2807 }
2808
2809 if (test_bit(FLAG_MPI,&ai->flags)) {
2810 if (mpi_map_card(ai, pci)) {
2811 airo_print_err("", "Could not map memory");
2812 goto err_out_res;
2813 }
2814 }
2815
2816 if (probe) {
2817 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2818 airo_print_err(dev->name, "MAC could not be enabled" );
2819 rc = -EIO;
2820 goto err_out_map;
2821 }
2822 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2823 ai->bap_read = fast_bap_read;
2824 set_bit(FLAG_FLASHING, &ai->flags);
2825 }
2826
2827 strcpy(dev->name, "eth%d");
2828 rc = register_netdev(dev);
2829 if (rc) {
2830 airo_print_err(dev->name, "Couldn't register_netdev");
2831 goto err_out_map;
2832 }
2833 ai->wifidev = init_wifidev(ai, dev);
2834 if (!ai->wifidev)
2835 goto err_out_reg;
2836
2837 rc = readCapabilityRid(ai, &cap_rid, 1);
2838 if (rc != SUCCESS) {
2839 rc = -EIO;
2840 goto err_out_wifi;
2841 }
2842 /* WEP capability discovery */
2843 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2844 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2845
2846 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2847 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2848 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2849 le16_to_cpu(cap_rid.softSubVer));
2850
2851 /* Test for WPA support */
2852 /* Only firmware versions 5.30.17 or better can do WPA */
2853 if (le16_to_cpu(cap_rid.softVer) > 0x530
2854 || (le16_to_cpu(cap_rid.softVer) == 0x530
2855 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2856 airo_print_info(ai->dev->name, "WPA supported.");
2857
2858 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2859 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2860 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2861 ai->bssListRidLen = sizeof(BSSListRid);
2862 } else {
2863 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2864 "versions older than 5.30.17.");
2865
2866 ai->bssListFirst = RID_BSSLISTFIRST;
2867 ai->bssListNext = RID_BSSLISTNEXT;
2868 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2869 }
2870
2871 set_bit(FLAG_REGISTERED,&ai->flags);
2872 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2873
2874 /* Allocate the transmit buffers */
2875 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2876 for( i = 0; i < MAX_FIDS; i++ )
2877 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2878
2879 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2880 goto err_out_wifi;
2881
2882 return dev;
2883
2884 err_out_wifi:
2885 unregister_netdev(ai->wifidev);
2886 free_netdev(ai->wifidev);
2887 err_out_reg:
2888 unregister_netdev(dev);
2889 err_out_map:
2890 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2891 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2892 iounmap(ai->pciaux);
2893 iounmap(ai->pcimem);
2894 mpi_unmap_card(ai->pci);
2895 }
2896 err_out_res:
2897 if (!is_pcmcia)
2898 release_region( dev->base_addr, 64 );
2899 err_out_nets:
2900 airo_networks_free(ai);
2901 del_airo_dev(ai);
2902 err_out_free:
2903 free_netdev(dev);
2904 return NULL;
2905 }
2906
2907 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2908 struct device *dmdev)
2909 {
2910 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2911 }
2912
2913 EXPORT_SYMBOL(init_airo_card);
2914
2915 static int waitbusy (struct airo_info *ai) {
2916 int delay = 0;
2917 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2918 udelay (10);
2919 if ((++delay % 20) == 0)
2920 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2921 }
2922 return delay < 10000;
2923 }
2924
2925 int reset_airo_card( struct net_device *dev )
2926 {
2927 int i;
2928 struct airo_info *ai = dev->ml_priv;
2929
2930 if (reset_card (dev, 1))
2931 return -1;
2932
2933 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2934 airo_print_err(dev->name, "MAC could not be enabled");
2935 return -1;
2936 }
2937 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2938 /* Allocate the transmit buffers if needed */
2939 if (!test_bit(FLAG_MPI,&ai->flags))
2940 for( i = 0; i < MAX_FIDS; i++ )
2941 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2942
2943 enable_interrupts( ai );
2944 netif_wake_queue(dev);
2945 return 0;
2946 }
2947
2948 EXPORT_SYMBOL(reset_airo_card);
2949
2950 static void airo_send_event(struct net_device *dev) {
2951 struct airo_info *ai = dev->ml_priv;
2952 union iwreq_data wrqu;
2953 StatusRid status_rid;
2954
2955 clear_bit(JOB_EVENT, &ai->jobs);
2956 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2957 up(&ai->sem);
2958 wrqu.data.length = 0;
2959 wrqu.data.flags = 0;
2960 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2961 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2962
2963 /* Send event to user space */
2964 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2965 }
2966
2967 static void airo_process_scan_results (struct airo_info *ai) {
2968 union iwreq_data wrqu;
2969 BSSListRid bss;
2970 int rc;
2971 BSSListElement * loop_net;
2972 BSSListElement * tmp_net;
2973
2974 /* Blow away current list of scan results */
2975 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2976 list_move_tail (&loop_net->list, &ai->network_free_list);
2977 /* Don't blow away ->list, just BSS data */
2978 memset (loop_net, 0, sizeof (loop_net->bss));
2979 }
2980
2981 /* Try to read the first entry of the scan result */
2982 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2983 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2984 /* No scan results */
2985 goto out;
2986 }
2987
2988 /* Read and parse all entries */
2989 tmp_net = NULL;
2990 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2991 /* Grab a network off the free list */
2992 if (!list_empty(&ai->network_free_list)) {
2993 tmp_net = list_entry(ai->network_free_list.next,
2994 BSSListElement, list);
2995 list_del(ai->network_free_list.next);
2996 }
2997
2998 if (tmp_net != NULL) {
2999 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3000 list_add_tail(&tmp_net->list, &ai->network_list);
3001 tmp_net = NULL;
3002 }
3003
3004 /* Read next entry */
3005 rc = PC4500_readrid(ai, ai->bssListNext,
3006 &bss, ai->bssListRidLen, 0);
3007 }
3008
3009 out:
3010 ai->scan_timeout = 0;
3011 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3012 up(&ai->sem);
3013
3014 /* Send an empty event to user space.
3015 * We don't send the received data on
3016 * the event because it would require
3017 * us to do complex transcoding, and
3018 * we want to minimise the work done in
3019 * the irq handler. Use a request to
3020 * extract the data - Jean II */
3021 wrqu.data.length = 0;
3022 wrqu.data.flags = 0;
3023 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3024 }
3025
3026 static int airo_thread(void *data) {
3027 struct net_device *dev = data;
3028 struct airo_info *ai = dev->ml_priv;
3029 int locked;
3030
3031 set_freezable();
3032 while(1) {
3033 /* make swsusp happy with our thread */
3034 try_to_freeze();
3035
3036 if (test_bit(JOB_DIE, &ai->jobs))
3037 break;
3038
3039 if (ai->jobs) {
3040 locked = down_interruptible(&ai->sem);
3041 } else {
3042 wait_queue_t wait;
3043
3044 init_waitqueue_entry(&wait, current);
3045 add_wait_queue(&ai->thr_wait, &wait);
3046 for (;;) {
3047 set_current_state(TASK_INTERRUPTIBLE);
3048 if (ai->jobs)
3049 break;
3050 if (ai->expires || ai->scan_timeout) {
3051 if (ai->scan_timeout &&
3052 time_after_eq(jiffies,ai->scan_timeout)){
3053 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3054 break;
3055 } else if (ai->expires &&
3056 time_after_eq(jiffies,ai->expires)){
3057 set_bit(JOB_AUTOWEP, &ai->jobs);
3058 break;
3059 }
3060 if (!kthread_should_stop() &&
3061 !freezing(current)) {
3062 unsigned long wake_at;
3063 if (!ai->expires || !ai->scan_timeout) {
3064 wake_at = max(ai->expires,
3065 ai->scan_timeout);
3066 } else {
3067 wake_at = min(ai->expires,
3068 ai->scan_timeout);
3069 }
3070 schedule_timeout(wake_at - jiffies);
3071 continue;
3072 }
3073 } else if (!kthread_should_stop() &&
3074 !freezing(current)) {
3075 schedule();
3076 continue;
3077 }
3078 break;
3079 }
3080 current->state = TASK_RUNNING;
3081 remove_wait_queue(&ai->thr_wait, &wait);
3082 locked = 1;
3083 }
3084
3085 if (locked)
3086 continue;
3087
3088 if (test_bit(JOB_DIE, &ai->jobs)) {
3089 up(&ai->sem);
3090 break;
3091 }
3092
3093 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3094 up(&ai->sem);
3095 continue;
3096 }
3097
3098 if (test_bit(JOB_XMIT, &ai->jobs))
3099 airo_end_xmit(dev);
3100 else if (test_bit(JOB_XMIT11, &ai->jobs))
3101 airo_end_xmit11(dev);
3102 else if (test_bit(JOB_STATS, &ai->jobs))
3103 airo_read_stats(dev);
3104 else if (test_bit(JOB_WSTATS, &ai->jobs))
3105 airo_read_wireless_stats(ai);
3106 else if (test_bit(JOB_PROMISC, &ai->jobs))
3107 airo_set_promisc(ai);
3108 else if (test_bit(JOB_MIC, &ai->jobs))
3109 micinit(ai);
3110 else if (test_bit(JOB_EVENT, &ai->jobs))
3111 airo_send_event(dev);
3112 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3113 timer_func(dev);
3114 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3115 airo_process_scan_results(ai);
3116 else /* Shouldn't get here, but we make sure to unlock */
3117 up(&ai->sem);
3118 }
3119
3120 return 0;
3121 }
3122
3123 static int header_len(__le16 ctl)
3124 {
3125 u16 fc = le16_to_cpu(ctl);
3126 switch (fc & 0xc) {
3127 case 4:
3128 if ((fc & 0xe0) == 0xc0)
3129 return 10; /* one-address control packet */
3130 return 16; /* two-address control packet */
3131 case 8:
3132 if ((fc & 0x300) == 0x300)
3133 return 30; /* WDS packet */
3134 }
3135 return 24;
3136 }
3137
3138 static void airo_handle_cisco_mic(struct airo_info *ai)
3139 {
3140 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3141 set_bit(JOB_MIC, &ai->jobs);
3142 wake_up_interruptible(&ai->thr_wait);
3143 }
3144 }
3145
3146 /* Airo Status codes */
3147 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3148 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3149 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3150 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3151 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3152 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3153 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3154 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3155 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3156 #define STAT_ASSOC 0x0400 /* Associated */
3157 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3158
3159 static void airo_print_status(const char *devname, u16 status)
3160 {
3161 u8 reason = status & 0xFF;
3162
3163 switch (status) {
3164 case STAT_NOBEACON:
3165 airo_print_dbg(devname, "link lost (missed beacons)");
3166 break;
3167 case STAT_MAXRETRIES:
3168 case STAT_MAXARL:
3169 airo_print_dbg(devname, "link lost (max retries)");
3170 break;
3171 case STAT_FORCELOSS:
3172 airo_print_dbg(devname, "link lost (local choice)");
3173 break;
3174 case STAT_TSFSYNC:
3175 airo_print_dbg(devname, "link lost (TSF sync lost)");
3176 break;
3177 case STAT_DEAUTH:
3178 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3179 break;
3180 case STAT_DISASSOC:
3181 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3182 break;
3183 case STAT_ASSOC_FAIL:
3184 airo_print_dbg(devname, "association failed (reason: %d)",
3185 reason);
3186 break;
3187 case STAT_AUTH_FAIL:
3188 airo_print_dbg(devname, "authentication failed (reason: %d)",
3189 reason);
3190 break;
3191 default:
3192 break;
3193 }
3194 }
3195
3196 static void airo_handle_link(struct airo_info *ai)
3197 {
3198 union iwreq_data wrqu;
3199 int scan_forceloss = 0;
3200 u16 status;
3201
3202 /* Get new status and acknowledge the link change */
3203 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3204 OUT4500(ai, EVACK, EV_LINK);
3205
3206 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3207 scan_forceloss = 1;
3208
3209 airo_print_status(ai->dev->name, status);
3210
3211 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3212 if (auto_wep)
3213 ai->expires = 0;
3214 if (ai->list_bss_task)
3215 wake_up_process(ai->list_bss_task);
3216 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3217 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3218
3219 if (down_trylock(&ai->sem) != 0) {
3220 set_bit(JOB_EVENT, &ai->jobs);
3221 wake_up_interruptible(&ai->thr_wait);
3222 } else
3223 airo_send_event(ai->dev);
3224 } else if (!scan_forceloss) {
3225 if (auto_wep && !ai->expires) {
3226 ai->expires = RUN_AT(3*HZ);
3227 wake_up_interruptible(&ai->thr_wait);
3228 }
3229
3230 /* Send event to user space */
3231 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3232 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3233 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3234 }
3235 }
3236
3237 static void airo_handle_rx(struct airo_info *ai)
3238 {
3239 struct sk_buff *skb = NULL;
3240 __le16 fc, v, *buffer, tmpbuf[4];
3241 u16 len, hdrlen = 0, gap, fid;
3242 struct rx_hdr hdr;
3243 int success = 0;
3244
3245 if (test_bit(FLAG_MPI, &ai->flags)) {
3246 if (test_bit(FLAG_802_11, &ai->flags))
3247 mpi_receive_802_11(ai);
3248 else
3249 mpi_receive_802_3(ai);
3250 OUT4500(ai, EVACK, EV_RX);
3251 return;
3252 }
3253
3254 fid = IN4500(ai, RXFID);
3255
3256 /* Get the packet length */
3257 if (test_bit(FLAG_802_11, &ai->flags)) {
3258 bap_setup (ai, fid, 4, BAP0);
3259 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3260 /* Bad CRC. Ignore packet */
3261 if (le16_to_cpu(hdr.status) & 2)
3262 hdr.len = 0;
3263 if (ai->wifidev == NULL)
3264 hdr.len = 0;
3265 } else {
3266 bap_setup(ai, fid, 0x36, BAP0);
3267 bap_read(ai, &hdr.len, 2, BAP0);
3268 }
3269 len = le16_to_cpu(hdr.len);
3270
3271 if (len > AIRO_DEF_MTU) {
3272 airo_print_err(ai->dev->name, "Bad size %d", len);
3273 goto done;
3274 }
3275 if (len == 0)
3276 goto done;
3277
3278 if (test_bit(FLAG_802_11, &ai->flags)) {
3279 bap_read(ai, &fc, sizeof (fc), BAP0);
3280 hdrlen = header_len(fc);
3281 } else
3282 hdrlen = ETH_ALEN * 2;
3283
3284 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3285 if (!skb) {
3286 ai->dev->stats.rx_dropped++;
3287 goto done;
3288 }
3289
3290 skb_reserve(skb, 2); /* This way the IP header is aligned */
3291 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3292 if (test_bit(FLAG_802_11, &ai->flags)) {
3293 buffer[0] = fc;
3294 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3295 if (hdrlen == 24)
3296 bap_read(ai, tmpbuf, 6, BAP0);
3297
3298 bap_read(ai, &v, sizeof(v), BAP0);
3299 gap = le16_to_cpu(v);
3300 if (gap) {
3301 if (gap <= 8) {
3302 bap_read(ai, tmpbuf, gap, BAP0);
3303 } else {
3304 airo_print_err(ai->dev->name, "gaplen too "
3305 "big. Problems will follow...");
3306 }
3307 }
3308 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3309 } else {
3310 MICBuffer micbuf;
3311
3312 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3313 if (ai->micstats.enabled) {
3314 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3315 if (ntohs(micbuf.typelen) > 0x05DC)
3316 bap_setup(ai, fid, 0x44, BAP0);
3317 else {
3318 if (len <= sizeof (micbuf)) {
3319 dev_kfree_skb_irq(skb);
3320 goto done;
3321 }
3322
3323 len -= sizeof(micbuf);
3324 skb_trim(skb, len + hdrlen);
3325 }
3326 }
3327
3328 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3329 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3330 dev_kfree_skb_irq (skb);
3331 else
3332 success = 1;
3333 }
3334
3335 #ifdef WIRELESS_SPY
3336 if (success && (ai->spy_data.spy_number > 0)) {
3337 char *sa;
3338 struct iw_quality wstats;
3339
3340 /* Prepare spy data : addr + qual */
3341 if (!test_bit(FLAG_802_11, &ai->flags)) {
3342 sa = (char *) buffer + 6;
3343 bap_setup(ai, fid, 8, BAP0);
3344 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3345 } else
3346 sa = (char *) buffer + 10;
3347 wstats.qual = hdr.rssi[0];
3348 if (ai->rssi)
3349 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3350 else
3351 wstats.level = (hdr.rssi[1] + 321) / 2;
3352 wstats.noise = ai->wstats.qual.noise;
3353 wstats.updated = IW_QUAL_LEVEL_UPDATED
3354 | IW_QUAL_QUAL_UPDATED
3355 | IW_QUAL_DBM;
3356 /* Update spy records */
3357 wireless_spy_update(ai->dev, sa, &wstats);
3358 }
3359 #endif /* WIRELESS_SPY */
3360
3361 done:
3362 OUT4500(ai, EVACK, EV_RX);
3363
3364 if (success) {
3365 if (test_bit(FLAG_802_11, &ai->flags)) {
3366 skb_reset_mac_header(skb);
3367 skb->pkt_type = PACKET_OTHERHOST;
3368 skb->dev = ai->wifidev;
3369 skb->protocol = htons(ETH_P_802_2);
3370 } else
3371 skb->protocol = eth_type_trans(skb, ai->dev);
3372 skb->ip_summed = CHECKSUM_NONE;
3373
3374 netif_rx(skb);
3375 }
3376 }
3377
3378 static void airo_handle_tx(struct airo_info *ai, u16 status)
3379 {
3380 int i, len = 0, index = -1;
3381 u16 fid;
3382
3383 if (test_bit(FLAG_MPI, &ai->flags)) {
3384 unsigned long flags;
3385
3386 if (status & EV_TXEXC)
3387 get_tx_error(ai, -1);
3388
3389 spin_lock_irqsave(&ai->aux_lock, flags);
3390 if (!skb_queue_empty(&ai->txq)) {
3391 spin_unlock_irqrestore(&ai->aux_lock,flags);
3392 mpi_send_packet(ai->dev);
3393 } else {
3394 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3395 spin_unlock_irqrestore(&ai->aux_lock,flags);
3396 netif_wake_queue(ai->dev);
3397 }
3398 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3399 return;
3400 }
3401
3402 fid = IN4500(ai, TXCOMPLFID);
3403
3404 for(i = 0; i < MAX_FIDS; i++) {
3405 if ((ai->fids[i] & 0xffff) == fid) {
3406 len = ai->fids[i] >> 16;
3407 index = i;
3408 }
3409 }
3410
3411 if (index != -1) {
3412 if (status & EV_TXEXC)
3413 get_tx_error(ai, index);
3414
3415 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3416
3417 /* Set up to be used again */
3418 ai->fids[index] &= 0xffff;
3419 if (index < MAX_FIDS / 2) {
3420 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3421 netif_wake_queue(ai->dev);
3422 } else {
3423 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3424 netif_wake_queue(ai->wifidev);
3425 }
3426 } else {
3427 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3428 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3429 }
3430 }
3431
3432 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3433 {
3434 struct net_device *dev = dev_id;
3435 u16 status, savedInterrupts = 0;
3436 struct airo_info *ai = dev->ml_priv;
3437 int handled = 0;
3438
3439 if (!netif_device_present(dev))
3440 return IRQ_NONE;
3441
3442 for (;;) {
3443 status = IN4500(ai, EVSTAT);
3444 if (!(status & STATUS_INTS) || (status == 0xffff))
3445 break;
3446
3447 handled = 1;
3448
3449 if (status & EV_AWAKE) {
3450 OUT4500(ai, EVACK, EV_AWAKE);
3451 OUT4500(ai, EVACK, EV_AWAKE);
3452 }
3453
3454 if (!savedInterrupts) {
3455 savedInterrupts = IN4500(ai, EVINTEN);
3456 OUT4500(ai, EVINTEN, 0);
3457 }
3458
3459 if (status & EV_MIC) {
3460 OUT4500(ai, EVACK, EV_MIC);
3461 airo_handle_cisco_mic(ai);
3462 }
3463
3464 if (status & EV_LINK) {
3465 /* Link status changed */
3466 airo_handle_link(ai);
3467 }
3468
3469 /* Check to see if there is something to receive */
3470 if (status & EV_RX)
3471 airo_handle_rx(ai);
3472
3473 /* Check to see if a packet has been transmitted */
3474 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3475 airo_handle_tx(ai, status);
3476
3477 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3478 airo_print_warn(ai->dev->name, "Got weird status %x",
3479 status & ~STATUS_INTS & ~IGNORE_INTS );
3480 }
3481 }
3482
3483 if (savedInterrupts)
3484 OUT4500(ai, EVINTEN, savedInterrupts);
3485
3486 return IRQ_RETVAL(handled);
3487 }
3488
3489 /*
3490 * Routines to talk to the card
3491 */
3492
3493 /*
3494 * This was originally written for the 4500, hence the name
3495 * NOTE: If use with 8bit mode and SMP bad things will happen!
3496 * Why would some one do 8 bit IO in an SMP machine?!?
3497 */
3498 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3499 if (test_bit(FLAG_MPI,&ai->flags))
3500 reg <<= 1;
3501 if ( !do8bitIO )
3502 outw( val, ai->dev->base_addr + reg );
3503 else {
3504 outb( val & 0xff, ai->dev->base_addr + reg );
3505 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3506 }
3507 }
3508
3509 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3510 unsigned short rc;
3511
3512 if (test_bit(FLAG_MPI,&ai->flags))
3513 reg <<= 1;
3514 if ( !do8bitIO )
3515 rc = inw( ai->dev->base_addr + reg );
3516 else {
3517 rc = inb( ai->dev->base_addr + reg );
3518 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3519 }
3520 return rc;
3521 }
3522
3523 static int enable_MAC(struct airo_info *ai, int lock)
3524 {
3525 int rc;
3526 Cmd cmd;
3527 Resp rsp;
3528
3529 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3530 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3531 * Note : we could try to use !netif_running(dev) in enable_MAC()
3532 * instead of this flag, but I don't trust it *within* the
3533 * open/close functions, and testing both flags together is
3534 * "cheaper" - Jean II */
3535 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3536
3537 if (lock && down_interruptible(&ai->sem))
3538 return -ERESTARTSYS;
3539
3540 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3541 memset(&cmd, 0, sizeof(cmd));
3542 cmd.cmd = MAC_ENABLE;
3543 rc = issuecommand(ai, &cmd, &rsp);
3544 if (rc == SUCCESS)
3545 set_bit(FLAG_ENABLED, &ai->flags);
3546 } else
3547 rc = SUCCESS;
3548
3549 if (lock)
3550 up(&ai->sem);
3551
3552 if (rc)
3553 airo_print_err(ai->dev->name, "Cannot enable MAC");
3554 else if ((rsp.status & 0xFF00) != 0) {
3555 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3556 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3557 rc = ERROR;
3558 }
3559 return rc;
3560 }
3561
3562 static void disable_MAC( struct airo_info *ai, int lock ) {
3563 Cmd cmd;
3564 Resp rsp;
3565
3566 if (lock && down_interruptible(&ai->sem))
3567 return;
3568
3569 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3570 memset(&cmd, 0, sizeof(cmd));
3571 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3572 issuecommand(ai, &cmd, &rsp);
3573 clear_bit(FLAG_ENABLED, &ai->flags);
3574 }
3575 if (lock)
3576 up(&ai->sem);
3577 }
3578
3579 static void enable_interrupts( struct airo_info *ai ) {
3580 /* Enable the interrupts */
3581 OUT4500( ai, EVINTEN, STATUS_INTS );
3582 }
3583
3584 static void disable_interrupts( struct airo_info *ai ) {
3585 OUT4500( ai, EVINTEN, 0 );
3586 }
3587
3588 static void mpi_receive_802_3(struct airo_info *ai)
3589 {
3590 RxFid rxd;
3591 int len = 0;
3592 struct sk_buff *skb;
3593 char *buffer;
3594 int off = 0;
3595 MICBuffer micbuf;
3596
3597 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3598 /* Make sure we got something */
3599 if (rxd.rdy && rxd.valid == 0) {
3600 len = rxd.len + 12;
3601 if (len < 12 || len > 2048)
3602 goto badrx;
3603
3604 skb = dev_alloc_skb(len);
3605 if (!skb) {
3606 ai->dev->stats.rx_dropped++;
3607 goto badrx;
3608 }
3609 buffer = skb_put(skb,len);
3610 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3611 if (ai->micstats.enabled) {
3612 memcpy(&micbuf,
3613 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3614 sizeof(micbuf));
3615 if (ntohs(micbuf.typelen) <= 0x05DC) {
3616 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3617 goto badmic;
3618
3619 off = sizeof(micbuf);
3620 skb_trim (skb, len - off);
3621 }
3622 }
3623 memcpy(buffer + ETH_ALEN * 2,
3624 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3625 len - ETH_ALEN * 2 - off);
3626 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3627 badmic:
3628 dev_kfree_skb_irq (skb);
3629 goto badrx;
3630 }
3631 #ifdef WIRELESS_SPY
3632 if (ai->spy_data.spy_number > 0) {
3633 char *sa;
3634 struct iw_quality wstats;
3635 /* Prepare spy data : addr + qual */
3636 sa = buffer + ETH_ALEN;
3637 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3638 wstats.level = 0;
3639 wstats.updated = 0;
3640 /* Update spy records */
3641 wireless_spy_update(ai->dev, sa, &wstats);
3642 }
3643 #endif /* WIRELESS_SPY */
3644
3645 skb->ip_summed = CHECKSUM_NONE;
3646 skb->protocol = eth_type_trans(skb, ai->dev);
3647 netif_rx(skb);
3648 }
3649 badrx:
3650 if (rxd.valid == 0) {
3651 rxd.valid = 1;
3652 rxd.rdy = 0;
3653 rxd.len = PKTSIZE;
3654 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3655 }
3656 }
3657
3658 static void mpi_receive_802_11(struct airo_info *ai)
3659 {
3660 RxFid rxd;
3661 struct sk_buff *skb = NULL;
3662 u16 len, hdrlen = 0;
3663 __le16 fc;
3664 struct rx_hdr hdr;
3665 u16 gap;
3666 u16 *buffer;
3667 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3668
3669 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3670 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3671 ptr += sizeof(hdr);
3672 /* Bad CRC. Ignore packet */
3673 if (le16_to_cpu(hdr.status) & 2)
3674 hdr.len = 0;
3675 if (ai->wifidev == NULL)
3676 hdr.len = 0;
3677 len = le16_to_cpu(hdr.len);
3678 if (len > AIRO_DEF_MTU) {
3679 airo_print_err(ai->dev->name, "Bad size %d", len);
3680 goto badrx;
3681 }
3682 if (len == 0)
3683 goto badrx;
3684
3685 fc = get_unaligned((__le16 *)ptr);
3686 hdrlen = header_len(fc);
3687
3688 skb = dev_alloc_skb( len + hdrlen + 2 );
3689 if ( !skb ) {
3690 ai->dev->stats.rx_dropped++;
3691 goto badrx;
3692 }
3693 buffer = (u16*)skb_put (skb, len + hdrlen);
3694 memcpy ((char *)buffer, ptr, hdrlen);
3695 ptr += hdrlen;
3696 if (hdrlen == 24)
3697 ptr += 6;
3698 gap = get_unaligned_le16(ptr);
3699 ptr += sizeof(__le16);
3700 if (gap) {
3701 if (gap <= 8)
3702 ptr += gap;
3703 else
3704 airo_print_err(ai->dev->name,
3705 "gaplen too big. Problems will follow...");
3706 }
3707 memcpy ((char *)buffer + hdrlen, ptr, len);
3708 ptr += len;
3709 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3710 if (ai->spy_data.spy_number > 0) {
3711 char *sa;
3712 struct iw_quality wstats;
3713 /* Prepare spy data : addr + qual */
3714 sa = (char*)buffer + 10;
3715 wstats.qual = hdr.rssi[0];
3716 if (ai->rssi)
3717 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3718 else
3719 wstats.level = (hdr.rssi[1] + 321) / 2;
3720 wstats.noise = ai->wstats.qual.noise;
3721 wstats.updated = IW_QUAL_QUAL_UPDATED
3722 | IW_QUAL_LEVEL_UPDATED
3723 | IW_QUAL_DBM;
3724 /* Update spy records */
3725 wireless_spy_update(ai->dev, sa, &wstats);
3726 }
3727 #endif /* IW_WIRELESS_SPY */
3728 skb_reset_mac_header(skb);
3729 skb->pkt_type = PACKET_OTHERHOST;
3730 skb->dev = ai->wifidev;
3731 skb->protocol = htons(ETH_P_802_2);
3732 skb->ip_summed = CHECKSUM_NONE;
3733 netif_rx( skb );
3734
3735 badrx:
3736 if (rxd.valid == 0) {
3737 rxd.valid = 1;
3738 rxd.rdy = 0;
3739 rxd.len = PKTSIZE;
3740 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3741 }
3742 }
3743
3744 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3745 {
3746 Cmd cmd;
3747 Resp rsp;
3748 int status;
3749 int i;
3750 SsidRid mySsid;
3751 __le16 lastindex;
3752 WepKeyRid wkr;
3753 int rc;
3754
3755 memset( &mySsid, 0, sizeof( mySsid ) );
3756 kfree (ai->flash);
3757 ai->flash = NULL;
3758
3759 /* The NOP is the first step in getting the card going */
3760 cmd.cmd = NOP;
3761 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3762 if (lock && down_interruptible(&ai->sem))
3763 return ERROR;
3764 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3765 if (lock)
3766 up(&ai->sem);
3767 return ERROR;
3768 }
3769 disable_MAC( ai, 0);
3770
3771 // Let's figure out if we need to use the AUX port
3772 if (!test_bit(FLAG_MPI,&ai->flags)) {
3773 cmd.cmd = CMD_ENABLEAUX;
3774 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3775 if (lock)
3776 up(&ai->sem);
3777 airo_print_err(ai->dev->name, "Error checking for AUX port");
3778 return ERROR;
3779 }
3780 if (!aux_bap || rsp.status & 0xff00) {
3781 ai->bap_read = fast_bap_read;
3782 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3783 } else {
3784 ai->bap_read = aux_bap_read;
3785 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3786 }
3787 }
3788 if (lock)
3789 up(&ai->sem);
3790 if (ai->config.len == 0) {
3791 tdsRssiRid rssi_rid;
3792 CapabilityRid cap_rid;
3793
3794 kfree(ai->APList);
3795 ai->APList = NULL;
3796 kfree(ai->SSID);
3797 ai->SSID = NULL;
3798 // general configuration (read/modify/write)
3799 status = readConfigRid(ai, lock);
3800 if ( status != SUCCESS ) return ERROR;
3801
3802 status = readCapabilityRid(ai, &cap_rid, lock);
3803 if ( status != SUCCESS ) return ERROR;
3804
3805 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3806 if ( status == SUCCESS ) {
3807 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3808 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3809 }
3810 else {
3811 kfree(ai->rssi);
3812 ai->rssi = NULL;
3813 if (cap_rid.softCap & cpu_to_le16(8))
3814 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3815 else
3816 airo_print_warn(ai->dev->name, "unknown received signal "
3817 "level scale");
3818 }
3819 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3820 ai->config.authType = AUTH_OPEN;
3821 ai->config.modulation = MOD_CCK;
3822
3823 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3824 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3825 micsetup(ai) == SUCCESS) {
3826 ai->config.opmode |= MODE_MIC;
3827 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3828 }
3829
3830 /* Save off the MAC */
3831 for( i = 0; i < ETH_ALEN; i++ ) {
3832 mac[i] = ai->config.macAddr[i];
3833 }
3834
3835 /* Check to see if there are any insmod configured
3836 rates to add */
3837 if ( rates[0] ) {
3838 int i = 0;
3839 memset(ai->config.rates,0,sizeof(ai->config.rates));
3840 for( i = 0; i < 8 && rates[i]; i++ ) {
3841 ai->config.rates[i] = rates[i];
3842 }
3843 }
3844 if ( basic_rate > 0 ) {
3845 int i;
3846 for( i = 0; i < 8; i++ ) {
3847 if ( ai->config.rates[i] == basic_rate ||
3848 !ai->config.rates ) {
3849 ai->config.rates[i] = basic_rate | 0x80;
3850 break;
3851 }
3852 }
3853 }
3854 set_bit (FLAG_COMMIT, &ai->flags);
3855 }
3856
3857 /* Setup the SSIDs if present */
3858 if ( ssids[0] ) {
3859 int i;
3860 for( i = 0; i < 3 && ssids[i]; i++ ) {
3861 size_t len = strlen(ssids[i]);
3862 if (len > 32)
3863 len = 32;
3864 mySsid.ssids[i].len = cpu_to_le16(len);
3865 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3866 }
3867 mySsid.len = cpu_to_le16(sizeof(mySsid));
3868 }
3869
3870 status = writeConfigRid(ai, lock);
3871 if ( status != SUCCESS ) return ERROR;
3872
3873 /* Set up the SSID list */
3874 if ( ssids[0] ) {
3875 status = writeSsidRid(ai, &mySsid, lock);
3876 if ( status != SUCCESS ) return ERROR;
3877 }
3878
3879 status = enable_MAC(ai, lock);
3880 if (status != SUCCESS)
3881 return ERROR;
3882
3883 /* Grab the initial wep key, we gotta save it for auto_wep */
3884 rc = readWepKeyRid(ai, &wkr, 1, lock);
3885 if (rc == SUCCESS) do {
3886 lastindex = wkr.kindex;
3887 if (wkr.kindex == cpu_to_le16(0xffff)) {
3888 ai->defindex = wkr.mac[0];
3889 }
3890 rc = readWepKeyRid(ai, &wkr, 0, lock);
3891 } while(lastindex != wkr.kindex);
3892
3893 try_auto_wep(ai);
3894
3895 return SUCCESS;
3896 }
3897
3898 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3899 // Im really paranoid about letting it run forever!
3900 int max_tries = 600000;
3901
3902 if (IN4500(ai, EVSTAT) & EV_CMD)
3903 OUT4500(ai, EVACK, EV_CMD);
3904
3905 OUT4500(ai, PARAM0, pCmd->parm0);
3906 OUT4500(ai, PARAM1, pCmd->parm1);
3907 OUT4500(ai, PARAM2, pCmd->parm2);
3908 OUT4500(ai, COMMAND, pCmd->cmd);
3909
3910 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3911 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3912 // PC4500 didn't notice command, try again
3913 OUT4500(ai, COMMAND, pCmd->cmd);
3914 if (!in_atomic() && (max_tries & 255) == 0)
3915 schedule();
3916 }
3917
3918 if ( max_tries == -1 ) {
3919 airo_print_err(ai->dev->name,
3920 "Max tries exceeded when issueing command");
3921 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3922 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3923 return ERROR;
3924 }
3925
3926 // command completed
3927 pRsp->status = IN4500(ai, STATUS);
3928 pRsp->rsp0 = IN4500(ai, RESP0);
3929 pRsp->rsp1 = IN4500(ai, RESP1);
3930 pRsp->rsp2 = IN4500(ai, RESP2);
3931 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3932 airo_print_err(ai->dev->name,
3933 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3934 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3935 pRsp->rsp2);
3936
3937 // clear stuck command busy if necessary
3938 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3939 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3940 }
3941 // acknowledge processing the status/response
3942 OUT4500(ai, EVACK, EV_CMD);
3943
3944 return SUCCESS;
3945 }
3946
3947 /* Sets up the bap to start exchange data. whichbap should
3948 * be one of the BAP0 or BAP1 defines. Locks should be held before
3949 * calling! */
3950 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3951 {
3952 int timeout = 50;
3953 int max_tries = 3;
3954
3955 OUT4500(ai, SELECT0+whichbap, rid);
3956 OUT4500(ai, OFFSET0+whichbap, offset);
3957 while (1) {
3958 int status = IN4500(ai, OFFSET0+whichbap);
3959 if (status & BAP_BUSY) {
3960 /* This isn't really a timeout, but its kinda
3961 close */
3962 if (timeout--) {
3963 continue;
3964 }
3965 } else if ( status & BAP_ERR ) {
3966 /* invalid rid or offset */
3967 airo_print_err(ai->dev->name, "BAP error %x %d",
3968 status, whichbap );
3969 return ERROR;
3970 } else if (status & BAP_DONE) { // success
3971 return SUCCESS;
3972 }
3973 if ( !(max_tries--) ) {
3974 airo_print_err(ai->dev->name,
3975 "BAP setup error too many retries\n");
3976 return ERROR;
3977 }
3978 // -- PC4500 missed it, try again
3979 OUT4500(ai, SELECT0+whichbap, rid);
3980 OUT4500(ai, OFFSET0+whichbap, offset);
3981 timeout = 50;
3982 }
3983 }
3984
3985 /* should only be called by aux_bap_read. This aux function and the
3986 following use concepts not documented in the developers guide. I
3987 got them from a patch given to my by Aironet */
3988 static u16 aux_setup(struct airo_info *ai, u16 page,
3989 u16 offset, u16 *len)
3990 {
3991 u16 next;
3992
3993 OUT4500(ai, AUXPAGE, page);
3994 OUT4500(ai, AUXOFF, 0);
3995 next = IN4500(ai, AUXDATA);
3996 *len = IN4500(ai, AUXDATA)&0xff;
3997 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3998 return next;
3999 }
4000
4001 /* requires call to bap_setup() first */
4002 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4003 int bytelen, int whichbap)
4004 {
4005 u16 len;
4006 u16 page;
4007 u16 offset;
4008 u16 next;
4009 int words;
4010 int i;
4011 unsigned long flags;
4012
4013 spin_lock_irqsave(&ai->aux_lock, flags);
4014 page = IN4500(ai, SWS0+whichbap);
4015 offset = IN4500(ai, SWS2+whichbap);
4016 next = aux_setup(ai, page, offset, &len);
4017 words = (bytelen+1)>>1;
4018
4019 for (i=0; i<words;) {
4020 int count;
4021 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4022 if ( !do8bitIO )
4023 insw( ai->dev->base_addr+DATA0+whichbap,
4024 pu16Dst+i,count );
4025 else
4026 insb( ai->dev->base_addr+DATA0+whichbap,
4027 pu16Dst+i, count << 1 );
4028 i += count;
4029 if (i<words) {
4030 next = aux_setup(ai, next, 4, &len);
4031 }
4032 }
4033 spin_unlock_irqrestore(&ai->aux_lock, flags);
4034 return SUCCESS;
4035 }
4036
4037
4038 /* requires call to bap_setup() first */
4039 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4040 int bytelen, int whichbap)
4041 {
4042 bytelen = (bytelen + 1) & (~1); // round up to even value
4043 if ( !do8bitIO )
4044 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4045 else
4046 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4047 return SUCCESS;
4048 }
4049
4050 /* requires call to bap_setup() first */
4051 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4052 int bytelen, int whichbap)
4053 {
4054 bytelen = (bytelen + 1) & (~1); // round up to even value
4055 if ( !do8bitIO )
4056 outsw( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Src, bytelen>>1 );
4058 else
4059 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4060 return SUCCESS;
4061 }
4062
4063 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4064 {
4065 Cmd cmd; /* for issuing commands */
4066 Resp rsp; /* response from commands */
4067 u16 status;
4068
4069 memset(&cmd, 0, sizeof(cmd));
4070 cmd.cmd = accmd;
4071 cmd.parm0 = rid;
4072 status = issuecommand(ai, &cmd, &rsp);
4073 if (status != 0) return status;
4074 if ( (rsp.status & 0x7F00) != 0) {
4075 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4076 }
4077 return 0;
4078 }
4079
4080 /* Note, that we are using BAP1 which is also used by transmit, so
4081 * we must get a lock. */
4082 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4083 {
4084 u16 status;
4085 int rc = SUCCESS;
4086
4087 if (lock) {
4088 if (down_interruptible(&ai->sem))
4089 return ERROR;
4090 }
4091 if (test_bit(FLAG_MPI,&ai->flags)) {
4092 Cmd cmd;
4093 Resp rsp;
4094
4095 memset(&cmd, 0, sizeof(cmd));
4096 memset(&rsp, 0, sizeof(rsp));
4097 ai->config_desc.rid_desc.valid = 1;
4098 ai->config_desc.rid_desc.len = RIDSIZE;
4099 ai->config_desc.rid_desc.rid = 0;
4100 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4101
4102 cmd.cmd = CMD_ACCESS;
4103 cmd.parm0 = rid;
4104
4105 memcpy_toio(ai->config_desc.card_ram_off,
4106 &ai->config_desc.rid_desc, sizeof(Rid));
4107
4108 rc = issuecommand(ai, &cmd, &rsp);
4109
4110 if (rsp.status & 0x7f00)
4111 rc = rsp.rsp0;
4112 if (!rc)
4113 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4114 goto done;
4115 } else {
4116 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4117 rc = status;
4118 goto done;
4119 }
4120 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4121 rc = ERROR;
4122 goto done;
4123 }
4124 // read the rid length field
4125 bap_read(ai, pBuf, 2, BAP1);
4126 // length for remaining part of rid
4127 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4128
4129 if ( len <= 2 ) {
4130 airo_print_err(ai->dev->name,
4131 "Rid %x has a length of %d which is too short",
4132 (int)rid, (int)len );
4133 rc = ERROR;
4134 goto done;
4135 }
4136 // read remainder of the rid
4137 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4138 }
4139 done:
4140 if (lock)
4141 up(&ai->sem);
4142 return rc;
4143 }
4144
4145 /* Note, that we are using BAP1 which is also used by transmit, so
4146 * make sure this isnt called when a transmit is happening */
4147 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4148 const void *pBuf, int len, int lock)
4149 {
4150 u16 status;
4151 int rc = SUCCESS;
4152
4153 *(__le16*)pBuf = cpu_to_le16((u16)len);
4154
4155 if (lock) {
4156 if (down_interruptible(&ai->sem))
4157 return ERROR;
4158 }
4159 if (test_bit(FLAG_MPI,&ai->flags)) {
4160 Cmd cmd;
4161 Resp rsp;
4162
4163 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4164 airo_print_err(ai->dev->name,
4165 "%s: MAC should be disabled (rid=%04x)",
4166 __func__, rid);
4167 memset(&cmd, 0, sizeof(cmd));
4168 memset(&rsp, 0, sizeof(rsp));
4169
4170 ai->config_desc.rid_desc.valid = 1;
4171 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4172 ai->config_desc.rid_desc.rid = 0;
4173
4174 cmd.cmd = CMD_WRITERID;
4175 cmd.parm0 = rid;
4176
4177 memcpy_toio(ai->config_desc.card_ram_off,
4178 &ai->config_desc.rid_desc, sizeof(Rid));
4179
4180 if (len < 4 || len > 2047) {
4181 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4182 rc = -1;
4183 } else {
4184 memcpy((char *)ai->config_desc.virtual_host_addr,
4185 pBuf, len);
4186
4187 rc = issuecommand(ai, &cmd, &rsp);
4188 if ((rc & 0xff00) != 0) {
4189 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4190 __func__, rc);
4191 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4192 __func__, cmd.cmd);
4193 }
4194
4195 if ((rsp.status & 0x7f00))
4196 rc = rsp.rsp0;
4197 }
4198 } else {
4199 // --- first access so that we can write the rid data
4200 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4201 rc = status;
4202 goto done;
4203 }
4204 // --- now write the rid data
4205 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4206 rc = ERROR;
4207 goto done;
4208 }
4209 bap_write(ai, pBuf, len, BAP1);
4210 // ---now commit the rid data
4211 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4212 }
4213 done:
4214 if (lock)
4215 up(&ai->sem);
4216 return rc;
4217 }
4218
4219 /* Allocates a FID to be used for transmitting packets. We only use
4220 one for now. */
4221 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4222 {
4223 unsigned int loop = 3000;
4224 Cmd cmd;
4225 Resp rsp;
4226 u16 txFid;
4227 __le16 txControl;
4228
4229 cmd.cmd = CMD_ALLOCATETX;
4230 cmd.parm0 = lenPayload;
4231 if (down_interruptible(&ai->sem))
4232 return ERROR;
4233 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4234 txFid = ERROR;
4235 goto done;
4236 }
4237 if ( (rsp.status & 0xFF00) != 0) {
4238 txFid = ERROR;
4239 goto done;
4240 }
4241 /* wait for the allocate event/indication
4242 * It makes me kind of nervous that this can just sit here and spin,
4243 * but in practice it only loops like four times. */
4244 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4245 if (!loop) {
4246 txFid = ERROR;
4247 goto done;
4248 }
4249
4250 // get the allocated fid and acknowledge
4251 txFid = IN4500(ai, TXALLOCFID);
4252 OUT4500(ai, EVACK, EV_ALLOC);
4253
4254 /* The CARD is pretty cool since it converts the ethernet packet
4255 * into 802.11. Also note that we don't release the FID since we
4256 * will be using the same one over and over again. */
4257 /* We only have to setup the control once since we are not
4258 * releasing the fid. */
4259 if (raw)
4260 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4261 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4262 else
4263 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4264 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4265 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4266 txFid = ERROR;
4267 else
4268 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4269
4270 done:
4271 up(&ai->sem);
4272
4273 return txFid;
4274 }
4275
4276 /* In general BAP1 is dedicated to transmiting packets. However,
4277 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4278 Make sure the BAP1 spinlock is held when this is called. */
4279 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4280 {
4281 __le16 payloadLen;
4282 Cmd cmd;
4283 Resp rsp;
4284 int miclen = 0;
4285 u16 txFid = len;
4286 MICBuffer pMic;
4287
4288 len >>= 16;
4289
4290 if (len <= ETH_ALEN * 2) {
4291 airo_print_warn(ai->dev->name, "Short packet %d", len);
4292 return ERROR;
4293 }
4294 len -= ETH_ALEN * 2;
4295
4296 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4297 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4298 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4299 return ERROR;
4300 miclen = sizeof(pMic);
4301 }
4302 // packet is destination[6], source[6], payload[len-12]
4303 // write the payload length and dst/src/payload
4304 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4305 /* The hardware addresses aren't counted as part of the payload, so
4306 * we have to subtract the 12 bytes for the addresses off */
4307 payloadLen = cpu_to_le16(len + miclen);
4308 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4309 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4310 if (miclen)
4311 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4312 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4313 // issue the transmit command
4314 memset( &cmd, 0, sizeof( cmd ) );
4315 cmd.cmd = CMD_TRANSMIT;
4316 cmd.parm0 = txFid;
4317 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4318 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4319 return SUCCESS;
4320 }
4321
4322 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4323 {
4324 __le16 fc, payloadLen;
4325 Cmd cmd;
4326 Resp rsp;
4327 int hdrlen;
4328 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4329 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4330 u16 txFid = len;
4331 len >>= 16;
4332
4333 fc = *(__le16*)pPacket;
4334 hdrlen = header_len(fc);
4335
4336 if (len < hdrlen) {
4337 airo_print_warn(ai->dev->name, "Short packet %d", len);
4338 return ERROR;
4339 }
4340
4341 /* packet is 802.11 header + payload
4342 * write the payload length and dst/src/payload */
4343 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4344 /* The 802.11 header aren't counted as part of the payload, so
4345 * we have to subtract the header bytes off */
4346 payloadLen = cpu_to_le16(len-hdrlen);
4347 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4348 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4349 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4350 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4351
4352 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4353 // issue the transmit command
4354 memset( &cmd, 0, sizeof( cmd ) );
4355 cmd.cmd = CMD_TRANSMIT;
4356 cmd.parm0 = txFid;
4357 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4358 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4359 return SUCCESS;
4360 }
4361
4362 /*
4363 * This is the proc_fs routines. It is a bit messier than I would
4364 * like! Feel free to clean it up!
4365 */
4366
4367 static ssize_t proc_read( struct file *file,
4368 char __user *buffer,
4369 size_t len,
4370 loff_t *offset);
4371
4372 static ssize_t proc_write( struct file *file,
4373 const char __user *buffer,
4374 size_t len,
4375 loff_t *offset );
4376 static int proc_close( struct inode *inode, struct file *file );
4377
4378 static int proc_stats_open( struct inode *inode, struct file *file );
4379 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4380 static int proc_status_open( struct inode *inode, struct file *file );
4381 static int proc_SSID_open( struct inode *inode, struct file *file );
4382 static int proc_APList_open( struct inode *inode, struct file *file );
4383 static int proc_BSSList_open( struct inode *inode, struct file *file );
4384 static int proc_config_open( struct inode *inode, struct file *file );
4385 static int proc_wepkey_open( struct inode *inode, struct file *file );
4386
4387 static const struct file_operations proc_statsdelta_ops = {
4388 .owner = THIS_MODULE,
4389 .read = proc_read,
4390 .open = proc_statsdelta_open,
4391 .release = proc_close
4392 };
4393
4394 static const struct file_operations proc_stats_ops = {
4395 .owner = THIS_MODULE,
4396 .read = proc_read,
4397 .open = proc_stats_open,
4398 .release = proc_close
4399 };
4400
4401 static const struct file_operations proc_status_ops = {
4402 .owner = THIS_MODULE,
4403 .read = proc_read,
4404 .open = proc_status_open,
4405 .release = proc_close
4406 };
4407
4408 static const struct file_operations proc_SSID_ops = {
4409 .owner = THIS_MODULE,
4410 .read = proc_read,
4411 .write = proc_write,
4412 .open = proc_SSID_open,
4413 .release = proc_close
4414 };
4415
4416 static const struct file_operations proc_BSSList_ops = {
4417 .owner = THIS_MODULE,
4418 .read = proc_read,
4419 .write = proc_write,
4420 .open = proc_BSSList_open,
4421 .release = proc_close
4422 };
4423
4424 static const struct file_operations proc_APList_ops = {
4425 .owner = THIS_MODULE,
4426 .read = proc_read,
4427 .write = proc_write,
4428 .open = proc_APList_open,
4429 .release = proc_close
4430 };
4431
4432 static const struct file_operations proc_config_ops = {
4433 .owner = THIS_MODULE,
4434 .read = proc_read,
4435 .write = proc_write,
4436 .open = proc_config_open,
4437 .release = proc_close
4438 };
4439
4440 static const struct file_operations proc_wepkey_ops = {
4441 .owner = THIS_MODULE,
4442 .read = proc_read,
4443 .write = proc_write,
4444 .open = proc_wepkey_open,
4445 .release = proc_close
4446 };
4447
4448 static struct proc_dir_entry *airo_entry;
4449
4450 struct proc_data {
4451 int release_buffer;
4452 int readlen;
4453 char *rbuffer;
4454 int writelen;
4455 int maxwritelen;
4456 char *wbuffer;
4457 void (*on_close) (struct inode *, struct file *);
4458 };
4459
4460 static int setup_proc_entry( struct net_device *dev,
4461 struct airo_info *apriv ) {
4462 struct proc_dir_entry *entry;
4463 /* First setup the device directory */
4464 strcpy(apriv->proc_name,dev->name);
4465 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4466 S_IFDIR|airo_perm,
4467 airo_entry);
4468 if (!apriv->proc_entry)
4469 goto fail;
4470 apriv->proc_entry->uid = proc_uid;
4471 apriv->proc_entry->gid = proc_gid;
4472 apriv->proc_entry->owner = THIS_MODULE;
4473
4474 /* Setup the StatsDelta */
4475 entry = proc_create_data("StatsDelta",
4476 S_IFREG | (S_IRUGO&proc_perm),
4477 apriv->proc_entry, &proc_statsdelta_ops, dev);
4478 if (!entry)
4479 goto fail_stats_delta;
4480 entry->uid = proc_uid;
4481 entry->gid = proc_gid;
4482
4483 /* Setup the Stats */
4484 entry = proc_create_data("Stats",
4485 S_IFREG | (S_IRUGO&proc_perm),
4486 apriv->proc_entry, &proc_stats_ops, dev);
4487 if (!entry)
4488 goto fail_stats;
4489 entry->uid = proc_uid;
4490 entry->gid = proc_gid;
4491
4492 /* Setup the Status */
4493 entry = proc_create_data("Status",
4494 S_IFREG | (S_IRUGO&proc_perm),
4495 apriv->proc_entry, &proc_status_ops, dev);
4496 if (!entry)
4497 goto fail_status;
4498 entry->uid = proc_uid;
4499 entry->gid = proc_gid;
4500
4501 /* Setup the Config */
4502 entry = proc_create_data("Config",
4503 S_IFREG | proc_perm,
4504 apriv->proc_entry, &proc_config_ops, dev);
4505 if (!entry)
4506 goto fail_config;
4507 entry->uid = proc_uid;
4508 entry->gid = proc_gid;
4509
4510 /* Setup the SSID */
4511 entry = proc_create_data("SSID",
4512 S_IFREG | proc_perm,
4513 apriv->proc_entry, &proc_SSID_ops, dev);
4514 if (!entry)
4515 goto fail_ssid;
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
4518
4519 /* Setup the APList */
4520 entry = proc_create_data("APList",
4521 S_IFREG | proc_perm,
4522 apriv->proc_entry, &proc_APList_ops, dev);
4523 if (!entry)
4524 goto fail_aplist;
4525 entry->uid = proc_uid;
4526 entry->gid = proc_gid;
4527
4528 /* Setup the BSSList */
4529 entry = proc_create_data("BSSList",
4530 S_IFREG | proc_perm,
4531 apriv->proc_entry, &proc_BSSList_ops, dev);
4532 if (!entry)
4533 goto fail_bsslist;
4534 entry->uid = proc_uid;
4535 entry->gid = proc_gid;
4536
4537 /* Setup the WepKey */
4538 entry = proc_create_data("WepKey",
4539 S_IFREG | proc_perm,
4540 apriv->proc_entry, &proc_wepkey_ops, dev);
4541 if (!entry)
4542 goto fail_wepkey;
4543 entry->uid = proc_uid;
4544 entry->gid = proc_gid;
4545
4546 return 0;
4547
4548 fail_wepkey:
4549 remove_proc_entry("BSSList", apriv->proc_entry);
4550 fail_bsslist:
4551 remove_proc_entry("APList", apriv->proc_entry);
4552 fail_aplist:
4553 remove_proc_entry("SSID", apriv->proc_entry);
4554 fail_ssid:
4555 remove_proc_entry("Config", apriv->proc_entry);
4556 fail_config:
4557 remove_proc_entry("Status", apriv->proc_entry);
4558 fail_status:
4559 remove_proc_entry("Stats", apriv->proc_entry);
4560 fail_stats:
4561 remove_proc_entry("StatsDelta", apriv->proc_entry);
4562 fail_stats_delta:
4563 remove_proc_entry(apriv->proc_name, airo_entry);
4564 fail:
4565 return -ENOMEM;
4566 }
4567
4568 static int takedown_proc_entry( struct net_device *dev,
4569 struct airo_info *apriv ) {
4570 if ( !apriv->proc_entry->namelen ) return 0;
4571 remove_proc_entry("Stats",apriv->proc_entry);
4572 remove_proc_entry("StatsDelta",apriv->proc_entry);
4573 remove_proc_entry("Status",apriv->proc_entry);
4574 remove_proc_entry("Config",apriv->proc_entry);
4575 remove_proc_entry("SSID",apriv->proc_entry);
4576 remove_proc_entry("APList",apriv->proc_entry);
4577 remove_proc_entry("BSSList",apriv->proc_entry);
4578 remove_proc_entry("WepKey",apriv->proc_entry);
4579 remove_proc_entry(apriv->proc_name,airo_entry);
4580 return 0;
4581 }
4582
4583 /*
4584 * What we want from the proc_fs is to be able to efficiently read
4585 * and write the configuration. To do this, we want to read the
4586 * configuration when the file is opened and write it when the file is
4587 * closed. So basically we allocate a read buffer at open and fill it
4588 * with data, and allocate a write buffer and read it at close.
4589 */
4590
4591 /*
4592 * The read routine is generic, it relies on the preallocated rbuffer
4593 * to supply the data.
4594 */
4595 static ssize_t proc_read( struct file *file,
4596 char __user *buffer,
4597 size_t len,
4598 loff_t *offset )
4599 {
4600 struct proc_data *priv = file->private_data;
4601
4602 if (!priv->rbuffer)
4603 return -EINVAL;
4604
4605 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4606 priv->readlen);
4607 }
4608
4609 /*
4610 * The write routine is generic, it fills in a preallocated rbuffer
4611 * to supply the data.
4612 */
4613 static ssize_t proc_write( struct file *file,
4614 const char __user *buffer,
4615 size_t len,
4616 loff_t *offset )
4617 {
4618 loff_t pos = *offset;
4619 struct proc_data *priv = (struct proc_data*)file->private_data;
4620
4621 if (!priv->wbuffer)
4622 return -EINVAL;
4623
4624 if (pos < 0)
4625 return -EINVAL;
4626 if (pos >= priv->maxwritelen)
4627 return 0;
4628 if (len > priv->maxwritelen - pos)
4629 len = priv->maxwritelen - pos;
4630 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4631 return -EFAULT;
4632 if ( pos + len > priv->writelen )
4633 priv->writelen = len + file->f_pos;
4634 *offset = pos + len;
4635 return len;
4636 }
4637
4638 static int proc_status_open(struct inode *inode, struct file *file)
4639 {
4640 struct proc_data *data;
4641 struct proc_dir_entry *dp = PDE(inode);
4642 struct net_device *dev = dp->data;
4643 struct airo_info *apriv = dev->ml_priv;
4644 CapabilityRid cap_rid;
4645 StatusRid status_rid;
4646 u16 mode;
4647 int i;
4648
4649 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4650 return -ENOMEM;
4651 data = (struct proc_data *)file->private_data;
4652 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4653 kfree (file->private_data);
4654 return -ENOMEM;
4655 }
4656
4657 readStatusRid(apriv, &status_rid, 1);
4658 readCapabilityRid(apriv, &cap_rid, 1);
4659
4660 mode = le16_to_cpu(status_rid.mode);
4661
4662 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4663 mode & 1 ? "CFG ": "",
4664 mode & 2 ? "ACT ": "",
4665 mode & 0x10 ? "SYN ": "",
4666 mode & 0x20 ? "LNK ": "",
4667 mode & 0x40 ? "LEAP ": "",
4668 mode & 0x80 ? "PRIV ": "",
4669 mode & 0x100 ? "KEY ": "",
4670 mode & 0x200 ? "WEP ": "",
4671 mode & 0x8000 ? "ERR ": "");
4672 sprintf( data->rbuffer+i, "Mode: %x\n"
4673 "Signal Strength: %d\n"
4674 "Signal Quality: %d\n"
4675 "SSID: %-.*s\n"
4676 "AP: %-.16s\n"
4677 "Freq: %d\n"
4678 "BitRate: %dmbs\n"
4679 "Driver Version: %s\n"
4680 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4681 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4682 "Software Version: %x\nSoftware Subversion: %x\n"
4683 "Boot block version: %x\n",
4684 le16_to_cpu(status_rid.mode),
4685 le16_to_cpu(status_rid.normalizedSignalStrength),
4686 le16_to_cpu(status_rid.signalQuality),
4687 le16_to_cpu(status_rid.SSIDlen),
4688 status_rid.SSID,
4689 status_rid.apName,
4690 le16_to_cpu(status_rid.channel),
4691 le16_to_cpu(status_rid.currentXmitRate) / 2,
4692 version,
4693 cap_rid.prodName,
4694 cap_rid.manName,
4695 cap_rid.prodVer,
4696 le16_to_cpu(cap_rid.radioType),
4697 le16_to_cpu(cap_rid.country),
4698 le16_to_cpu(cap_rid.hardVer),
4699 le16_to_cpu(cap_rid.softVer),
4700 le16_to_cpu(cap_rid.softSubVer),
4701 le16_to_cpu(cap_rid.bootBlockVer));
4702 data->readlen = strlen( data->rbuffer );
4703 return 0;
4704 }
4705
4706 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4707 static int proc_statsdelta_open( struct inode *inode,
4708 struct file *file ) {
4709 if (file->f_mode&FMODE_WRITE) {
4710 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4711 }
4712 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4713 }
4714
4715 static int proc_stats_open( struct inode *inode, struct file *file ) {
4716 return proc_stats_rid_open(inode, file, RID_STATS);
4717 }
4718
4719 static int proc_stats_rid_open( struct inode *inode,
4720 struct file *file,
4721 u16 rid )
4722 {
4723 struct proc_data *data;
4724 struct proc_dir_entry *dp = PDE(inode);
4725 struct net_device *dev = dp->data;
4726 struct airo_info *apriv = dev->ml_priv;
4727 StatsRid stats;
4728 int i, j;
4729 __le32 *vals = stats.vals;
4730 int len = le16_to_cpu(stats.len);
4731
4732 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4733 return -ENOMEM;
4734 data = (struct proc_data *)file->private_data;
4735 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4736 kfree (file->private_data);
4737 return -ENOMEM;
4738 }
4739
4740 readStatsRid(apriv, &stats, rid, 1);
4741
4742 j = 0;
4743 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4744 if (!statsLabels[i]) continue;
4745 if (j+strlen(statsLabels[i])+16>4096) {
4746 airo_print_warn(apriv->dev->name,
4747 "Potentially disasterous buffer overflow averted!");
4748 break;
4749 }
4750 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4751 le32_to_cpu(vals[i]));
4752 }
4753 if (i*4 >= len) {
4754 airo_print_warn(apriv->dev->name, "Got a short rid");
4755 }
4756 data->readlen = j;
4757 return 0;
4758 }
4759
4760 static int get_dec_u16( char *buffer, int *start, int limit ) {
4761 u16 value;
4762 int valid = 0;
4763 for( value = 0; buffer[*start] >= '0' &&
4764 buffer[*start] <= '9' &&
4765 *start < limit; (*start)++ ) {
4766 valid = 1;
4767 value *= 10;
4768 value += buffer[*start] - '0';
4769 }
4770 if ( !valid ) return -1;
4771 return value;
4772 }
4773
4774 static int airo_config_commit(struct net_device *dev,
4775 struct iw_request_info *info, void *zwrq,
4776 char *extra);
4777
4778 static inline int sniffing_mode(struct airo_info *ai)
4779 {
4780 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4781 le16_to_cpu(RXMODE_RFMON);
4782 }
4783
4784 static void proc_config_on_close(struct inode *inode, struct file *file)
4785 {
4786 struct proc_data *data = file->private_data;
4787 struct proc_dir_entry *dp = PDE(inode);
4788 struct net_device *dev = dp->data;
4789 struct airo_info *ai = dev->ml_priv;
4790 char *line;
4791
4792 if ( !data->writelen ) return;
4793
4794 readConfigRid(ai, 1);
4795 set_bit (FLAG_COMMIT, &ai->flags);
4796
4797 line = data->wbuffer;
4798 while( line[0] ) {
4799 /*** Mode processing */
4800 if ( !strncmp( line, "Mode: ", 6 ) ) {
4801 line += 6;
4802 if (sniffing_mode(ai))
4803 set_bit (FLAG_RESET, &ai->flags);
4804 ai->config.rmode &= ~RXMODE_FULL_MASK;
4805 clear_bit (FLAG_802_11, &ai->flags);
4806 ai->config.opmode &= ~MODE_CFG_MASK;
4807 ai->config.scanMode = SCANMODE_ACTIVE;
4808 if ( line[0] == 'a' ) {
4809 ai->config.opmode |= MODE_STA_IBSS;
4810 } else {
4811 ai->config.opmode |= MODE_STA_ESS;
4812 if ( line[0] == 'r' ) {
4813 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4814 ai->config.scanMode = SCANMODE_PASSIVE;
4815 set_bit (FLAG_802_11, &ai->flags);
4816 } else if ( line[0] == 'y' ) {
4817 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4818 ai->config.scanMode = SCANMODE_PASSIVE;
4819 set_bit (FLAG_802_11, &ai->flags);
4820 } else if ( line[0] == 'l' )
4821 ai->config.rmode |= RXMODE_LANMON;
4822 }
4823 set_bit (FLAG_COMMIT, &ai->flags);
4824 }
4825
4826 /*** Radio status */
4827 else if (!strncmp(line,"Radio: ", 7)) {
4828 line += 7;
4829 if (!strncmp(line,"off",3)) {
4830 set_bit (FLAG_RADIO_OFF, &ai->flags);
4831 } else {
4832 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4833 }
4834 }
4835 /*** NodeName processing */
4836 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4837 int j;
4838
4839 line += 10;
4840 memset( ai->config.nodeName, 0, 16 );
4841 /* Do the name, assume a space between the mode and node name */
4842 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4843 ai->config.nodeName[j] = line[j];
4844 }
4845 set_bit (FLAG_COMMIT, &ai->flags);
4846 }
4847
4848 /*** PowerMode processing */
4849 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4850 line += 11;
4851 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4852 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4853 set_bit (FLAG_COMMIT, &ai->flags);
4854 } else if ( !strncmp( line, "PSP", 3 ) ) {
4855 ai->config.powerSaveMode = POWERSAVE_PSP;
4856 set_bit (FLAG_COMMIT, &ai->flags);
4857 } else {
4858 ai->config.powerSaveMode = POWERSAVE_CAM;
4859 set_bit (FLAG_COMMIT, &ai->flags);
4860 }
4861 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4862 int v, i = 0, k = 0; /* i is index into line,
4863 k is index to rates */
4864
4865 line += 11;
4866 while((v = get_dec_u16(line, &i, 3))!=-1) {
4867 ai->config.rates[k++] = (u8)v;
4868 line += i + 1;
4869 i = 0;
4870 }
4871 set_bit (FLAG_COMMIT, &ai->flags);
4872 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4873 int v, i = 0;
4874 line += 9;
4875 v = get_dec_u16(line, &i, i+3);
4876 if ( v != -1 ) {
4877 ai->config.channelSet = cpu_to_le16(v);
4878 set_bit (FLAG_COMMIT, &ai->flags);
4879 }
4880 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4881 int v, i = 0;
4882 line += 11;
4883 v = get_dec_u16(line, &i, i+3);
4884 if ( v != -1 ) {
4885 ai->config.txPower = cpu_to_le16(v);
4886 set_bit (FLAG_COMMIT, &ai->flags);
4887 }
4888 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4889 line += 5;
4890 switch( line[0] ) {
4891 case 's':
4892 ai->config.authType = AUTH_SHAREDKEY;
4893 break;
4894 case 'e':
4895 ai->config.authType = AUTH_ENCRYPT;
4896 break;
4897 default:
4898 ai->config.authType = AUTH_OPEN;
4899 break;
4900 }
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4903 int v, i = 0;
4904
4905 line += 16;
4906 v = get_dec_u16(line, &i, 3);
4907 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4908 ai->config.longRetryLimit = cpu_to_le16(v);
4909 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4911 int v, i = 0;
4912
4913 line += 17;
4914 v = get_dec_u16(line, &i, 3);
4915 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4916 ai->config.shortRetryLimit = cpu_to_le16(v);
4917 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4919 int v, i = 0;
4920
4921 line += 14;
4922 v = get_dec_u16(line, &i, 4);
4923 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4924 ai->config.rtsThres = cpu_to_le16(v);
4925 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4927 int v, i = 0;
4928
4929 line += 16;
4930 v = get_dec_u16(line, &i, 5);
4931 v = (v<0) ? 0 : v;
4932 ai->config.txLifetime = cpu_to_le16(v);
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4935 int v, i = 0;
4936
4937 line += 16;
4938 v = get_dec_u16(line, &i, 5);
4939 v = (v<0) ? 0 : v;
4940 ai->config.rxLifetime = cpu_to_le16(v);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4943 ai->config.txDiversity =
4944 (line[13]=='l') ? 1 :
4945 ((line[13]=='r')? 2: 3);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4948 ai->config.rxDiversity =
4949 (line[13]=='l') ? 1 :
4950 ((line[13]=='r')? 2: 3);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4953 int v, i = 0;
4954
4955 line += 15;
4956 v = get_dec_u16(line, &i, 4);
4957 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4958 v = v & 0xfffe; /* Make sure its even */
4959 ai->config.fragThresh = cpu_to_le16(v);
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if (!strncmp(line, "Modulation: ", 12)) {
4962 line += 12;
4963 switch(*line) {
4964 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4966 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4967 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4968 }
4969 } else if (!strncmp(line, "Preamble: ", 10)) {
4970 line += 10;
4971 switch(*line) {
4972 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4974 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4976 }
4977 } else {
4978 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4979 }
4980 while( line[0] && line[0] != '\n' ) line++;
4981 if ( line[0] ) line++;
4982 }
4983 airo_config_commit(dev, NULL, NULL, NULL);
4984 }
4985
4986 static char *get_rmode(__le16 mode)
4987 {
4988 switch(mode & RXMODE_MASK) {
4989 case RXMODE_RFMON: return "rfmon";
4990 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4991 case RXMODE_LANMON: return "lanmon";
4992 }
4993 return "ESS";
4994 }
4995
4996 static int proc_config_open(struct inode *inode, struct file *file)
4997 {
4998 struct proc_data *data;
4999 struct proc_dir_entry *dp = PDE(inode);
5000 struct net_device *dev = dp->data;
5001 struct airo_info *ai = dev->ml_priv;
5002 int i;
5003 __le16 mode;
5004
5005 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5006 return -ENOMEM;
5007 data = (struct proc_data *)file->private_data;
5008 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5009 kfree (file->private_data);
5010 return -ENOMEM;
5011 }
5012 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5013 kfree (data->rbuffer);
5014 kfree (file->private_data);
5015 return -ENOMEM;
5016 }
5017 data->maxwritelen = 2048;
5018 data->on_close = proc_config_on_close;
5019
5020 readConfigRid(ai, 1);
5021
5022 mode = ai->config.opmode & MODE_CFG_MASK;
5023 i = sprintf( data->rbuffer,
5024 "Mode: %s\n"
5025 "Radio: %s\n"
5026 "NodeName: %-16s\n"
5027 "PowerMode: %s\n"
5028 "DataRates: %d %d %d %d %d %d %d %d\n"
5029 "Channel: %d\n"
5030 "XmitPower: %d\n",
5031 mode == MODE_STA_IBSS ? "adhoc" :
5032 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5033 mode == MODE_AP ? "AP" :
5034 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5035 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5036 ai->config.nodeName,
5037 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5038 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5039 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5040 "Error",
5041 (int)ai->config.rates[0],
5042 (int)ai->config.rates[1],
5043 (int)ai->config.rates[2],
5044 (int)ai->config.rates[3],
5045 (int)ai->config.rates[4],
5046 (int)ai->config.rates[5],
5047 (int)ai->config.rates[6],
5048 (int)ai->config.rates[7],
5049 le16_to_cpu(ai->config.channelSet),
5050 le16_to_cpu(ai->config.txPower)
5051 );
5052 sprintf( data->rbuffer + i,
5053 "LongRetryLimit: %d\n"
5054 "ShortRetryLimit: %d\n"
5055 "RTSThreshold: %d\n"
5056 "TXMSDULifetime: %d\n"
5057 "RXMSDULifetime: %d\n"
5058 "TXDiversity: %s\n"
5059 "RXDiversity: %s\n"
5060 "FragThreshold: %d\n"
5061 "WEP: %s\n"
5062 "Modulation: %s\n"
5063 "Preamble: %s\n",
5064 le16_to_cpu(ai->config.longRetryLimit),
5065 le16_to_cpu(ai->config.shortRetryLimit),
5066 le16_to_cpu(ai->config.rtsThres),
5067 le16_to_cpu(ai->config.txLifetime),
5068 le16_to_cpu(ai->config.rxLifetime),
5069 ai->config.txDiversity == 1 ? "left" :
5070 ai->config.txDiversity == 2 ? "right" : "both",
5071 ai->config.rxDiversity == 1 ? "left" :
5072 ai->config.rxDiversity == 2 ? "right" : "both",
5073 le16_to_cpu(ai->config.fragThresh),
5074 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5075 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5076 ai->config.modulation == MOD_DEFAULT ? "default" :
5077 ai->config.modulation == MOD_CCK ? "cck" :
5078 ai->config.modulation == MOD_MOK ? "mok" : "error",
5079 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5080 ai->config.preamble == PREAMBLE_LONG ? "long" :
5081 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5082 );
5083 data->readlen = strlen( data->rbuffer );
5084 return 0;
5085 }
5086
5087 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5088 {
5089 struct proc_data *data = (struct proc_data *)file->private_data;
5090 struct proc_dir_entry *dp = PDE(inode);
5091 struct net_device *dev = dp->data;
5092 struct airo_info *ai = dev->ml_priv;
5093 SsidRid SSID_rid;
5094 int i;
5095 char *p = data->wbuffer;
5096 char *end = p + data->writelen;
5097
5098 if (!data->writelen)
5099 return;
5100
5101 *end = '\n'; /* sentinel; we have space for it */
5102
5103 memset(&SSID_rid, 0, sizeof(SSID_rid));
5104
5105 for (i = 0; i < 3 && p < end; i++) {
5106 int j = 0;
5107 /* copy up to 32 characters from this line */
5108 while (*p != '\n' && j < 32)
5109 SSID_rid.ssids[i].ssid[j++] = *p++;
5110 if (j == 0)
5111 break;
5112 SSID_rid.ssids[i].len = cpu_to_le16(j);
5113 /* skip to the beginning of the next line */
5114 while (*p++ != '\n')
5115 ;
5116 }
5117 if (i)
5118 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5119 disable_MAC(ai, 1);
5120 writeSsidRid(ai, &SSID_rid, 1);
5121 enable_MAC(ai, 1);
5122 }
5123
5124 static inline u8 hexVal(char c) {
5125 if (c>='0' && c<='9') return c -= '0';
5126 if (c>='a' && c<='f') return c -= 'a'-10;
5127 if (c>='A' && c<='F') return c -= 'A'-10;
5128 return 0;
5129 }
5130
5131 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5132 struct proc_data *data = (struct proc_data *)file->private_data;
5133 struct proc_dir_entry *dp = PDE(inode);
5134 struct net_device *dev = dp->data;
5135 struct airo_info *ai = dev->ml_priv;
5136 APListRid APList_rid;
5137 int i;
5138
5139 if ( !data->writelen ) return;
5140
5141 memset( &APList_rid, 0, sizeof(APList_rid) );
5142 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5143
5144 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5145 int j;
5146 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5147 switch(j%3) {
5148 case 0:
5149 APList_rid.ap[i][j/3]=
5150 hexVal(data->wbuffer[j+i*6*3])<<4;
5151 break;
5152 case 1:
5153 APList_rid.ap[i][j/3]|=
5154 hexVal(data->wbuffer[j+i*6*3]);
5155 break;
5156 }
5157 }
5158 }
5159 disable_MAC(ai, 1);
5160 writeAPListRid(ai, &APList_rid, 1);
5161 enable_MAC(ai, 1);
5162 }
5163
5164 /* This function wraps PC4500_writerid with a MAC disable */
5165 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5166 int len, int dummy ) {
5167 int rc;
5168
5169 disable_MAC(ai, 1);
5170 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5171 enable_MAC(ai, 1);
5172 return rc;
5173 }
5174
5175 /* Returns the length of the key at the index. If index == 0xffff
5176 * the index of the transmit key is returned. If the key doesn't exist,
5177 * -1 will be returned.
5178 */
5179 static int get_wep_key(struct airo_info *ai, u16 index) {
5180 WepKeyRid wkr;
5181 int rc;
5182 __le16 lastindex;
5183
5184 rc = readWepKeyRid(ai, &wkr, 1, 1);
5185 if (rc == SUCCESS) do {
5186 lastindex = wkr.kindex;
5187 if (wkr.kindex == cpu_to_le16(index)) {
5188 if (index == 0xffff) {
5189 return wkr.mac[0];
5190 }
5191 return le16_to_cpu(wkr.klen);
5192 }
5193 readWepKeyRid(ai, &wkr, 0, 1);
5194 } while (lastindex != wkr.kindex);
5195 return -1;
5196 }
5197
5198 static int set_wep_key(struct airo_info *ai, u16 index,
5199 const char *key, u16 keylen, int perm, int lock )
5200 {
5201 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5202 WepKeyRid wkr;
5203
5204 memset(&wkr, 0, sizeof(wkr));
5205 if (keylen == 0) {
5206 // We are selecting which key to use
5207 wkr.len = cpu_to_le16(sizeof(wkr));
5208 wkr.kindex = cpu_to_le16(0xffff);
5209 wkr.mac[0] = (char)index;
5210 if (perm) ai->defindex = (char)index;
5211 } else {
5212 // We are actually setting the key
5213 wkr.len = cpu_to_le16(sizeof(wkr));
5214 wkr.kindex = cpu_to_le16(index);
5215 wkr.klen = cpu_to_le16(keylen);
5216 memcpy( wkr.key, key, keylen );
5217 memcpy( wkr.mac, macaddr, ETH_ALEN );
5218 }
5219
5220 if (perm) disable_MAC(ai, lock);
5221 writeWepKeyRid(ai, &wkr, perm, lock);
5222 if (perm) enable_MAC(ai, lock);
5223 return 0;
5224 }
5225
5226 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5227 struct proc_data *data;
5228 struct proc_dir_entry *dp = PDE(inode);
5229 struct net_device *dev = dp->data;
5230 struct airo_info *ai = dev->ml_priv;
5231 int i;
5232 char key[16];
5233 u16 index = 0;
5234 int j = 0;
5235
5236 memset(key, 0, sizeof(key));
5237
5238 data = (struct proc_data *)file->private_data;
5239 if ( !data->writelen ) return;
5240
5241 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5242 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5243 index = data->wbuffer[0] - '0';
5244 if (data->wbuffer[1] == '\n') {
5245 set_wep_key(ai, index, NULL, 0, 1, 1);
5246 return;
5247 }
5248 j = 2;
5249 } else {
5250 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5251 return;
5252 }
5253
5254 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5255 switch(i%3) {
5256 case 0:
5257 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5258 break;
5259 case 1:
5260 key[i/3] |= hexVal(data->wbuffer[i+j]);
5261 break;
5262 }
5263 }
5264 set_wep_key(ai, index, key, i/3, 1, 1);
5265 }
5266
5267 static int proc_wepkey_open( struct inode *inode, struct file *file )
5268 {
5269 struct proc_data *data;
5270 struct proc_dir_entry *dp = PDE(inode);
5271 struct net_device *dev = dp->data;
5272 struct airo_info *ai = dev->ml_priv;
5273 char *ptr;
5274 WepKeyRid wkr;
5275 __le16 lastindex;
5276 int j=0;
5277 int rc;
5278
5279 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5280 return -ENOMEM;
5281 memset(&wkr, 0, sizeof(wkr));
5282 data = (struct proc_data *)file->private_data;
5283 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5284 kfree (file->private_data);
5285 return -ENOMEM;
5286 }
5287 data->writelen = 0;
5288 data->maxwritelen = 80;
5289 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5290 kfree (data->rbuffer);
5291 kfree (file->private_data);
5292 return -ENOMEM;
5293 }
5294 data->on_close = proc_wepkey_on_close;
5295
5296 ptr = data->rbuffer;
5297 strcpy(ptr, "No wep keys\n");
5298 rc = readWepKeyRid(ai, &wkr, 1, 1);
5299 if (rc == SUCCESS) do {
5300 lastindex = wkr.kindex;
5301 if (wkr.kindex == cpu_to_le16(0xffff)) {
5302 j += sprintf(ptr+j, "Tx key = %d\n",
5303 (int)wkr.mac[0]);
5304 } else {
5305 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5306 le16_to_cpu(wkr.kindex),
5307 le16_to_cpu(wkr.klen));
5308 }
5309 readWepKeyRid(ai, &wkr, 0, 1);
5310 } while((lastindex != wkr.kindex) && (j < 180-30));
5311
5312 data->readlen = strlen( data->rbuffer );
5313 return 0;
5314 }
5315
5316 static int proc_SSID_open(struct inode *inode, struct file *file)
5317 {
5318 struct proc_data *data;
5319 struct proc_dir_entry *dp = PDE(inode);
5320 struct net_device *dev = dp->data;
5321 struct airo_info *ai = dev->ml_priv;
5322 int i;
5323 char *ptr;
5324 SsidRid SSID_rid;
5325
5326 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5327 return -ENOMEM;
5328 data = (struct proc_data *)file->private_data;
5329 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5330 kfree (file->private_data);
5331 return -ENOMEM;
5332 }
5333 data->writelen = 0;
5334 data->maxwritelen = 33*3;
5335 /* allocate maxwritelen + 1; we'll want a sentinel */
5336 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5337 kfree (data->rbuffer);
5338 kfree (file->private_data);
5339 return -ENOMEM;
5340 }
5341 data->on_close = proc_SSID_on_close;
5342
5343 readSsidRid(ai, &SSID_rid);
5344 ptr = data->rbuffer;
5345 for (i = 0; i < 3; i++) {
5346 int j;
5347 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5348 if (!len)
5349 break;
5350 if (len > 32)
5351 len = 32;
5352 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5353 *ptr++ = SSID_rid.ssids[i].ssid[j];
5354 *ptr++ = '\n';
5355 }
5356 *ptr = '\0';
5357 data->readlen = strlen( data->rbuffer );
5358 return 0;
5359 }
5360
5361 static int proc_APList_open( struct inode *inode, struct file *file ) {
5362 struct proc_data *data;
5363 struct proc_dir_entry *dp = PDE(inode);
5364 struct net_device *dev = dp->data;
5365 struct airo_info *ai = dev->ml_priv;
5366 int i;
5367 char *ptr;
5368 APListRid APList_rid;
5369
5370 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5371 return -ENOMEM;
5372 data = (struct proc_data *)file->private_data;
5373 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5374 kfree (file->private_data);
5375 return -ENOMEM;
5376 }
5377 data->writelen = 0;
5378 data->maxwritelen = 4*6*3;
5379 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5380 kfree (data->rbuffer);
5381 kfree (file->private_data);
5382 return -ENOMEM;
5383 }
5384 data->on_close = proc_APList_on_close;
5385
5386 readAPListRid(ai, &APList_rid);
5387 ptr = data->rbuffer;
5388 for( i = 0; i < 4; i++ ) {
5389 // We end when we find a zero MAC
5390 if ( !*(int*)APList_rid.ap[i] &&
5391 !*(int*)&APList_rid.ap[i][2]) break;
5392 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5393 }
5394 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5395
5396 *ptr = '\0';
5397 data->readlen = strlen( data->rbuffer );
5398 return 0;
5399 }
5400
5401 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
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 char *ptr;
5407 BSSListRid BSSList_rid;
5408 int rc;
5409 /* If doLoseSync is not 1, we won't do a Lose Sync */
5410 int doLoseSync = -1;
5411
5412 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5413 return -ENOMEM;
5414 data = (struct proc_data *)file->private_data;
5415 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5416 kfree (file->private_data);
5417 return -ENOMEM;
5418 }
5419 data->writelen = 0;
5420 data->maxwritelen = 0;
5421 data->wbuffer = NULL;
5422 data->on_close = NULL;
5423
5424 if (file->f_mode & FMODE_WRITE) {
5425 if (!(file->f_mode & FMODE_READ)) {
5426 Cmd cmd;
5427 Resp rsp;
5428
5429 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5430 memset(&cmd, 0, sizeof(cmd));
5431 cmd.cmd=CMD_LISTBSS;
5432 if (down_interruptible(&ai->sem))
5433 return -ERESTARTSYS;
5434 issuecommand(ai, &cmd, &rsp);
5435 up(&ai->sem);
5436 data->readlen = 0;
5437 return 0;
5438 }
5439 doLoseSync = 1;
5440 }
5441 ptr = data->rbuffer;
5442 /* There is a race condition here if there are concurrent opens.
5443 Since it is a rare condition, we'll just live with it, otherwise
5444 we have to add a spin lock... */
5445 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5446 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5447 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5448 BSSList_rid.bssid,
5449 (int)BSSList_rid.ssidLen,
5450 BSSList_rid.ssid,
5451 le16_to_cpu(BSSList_rid.dBm));
5452 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5453 le16_to_cpu(BSSList_rid.dsChannel),
5454 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5455 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5456 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5457 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5458 rc = readBSSListRid(ai, 0, &BSSList_rid);
5459 }
5460 *ptr = '\0';
5461 data->readlen = strlen( data->rbuffer );
5462 return 0;
5463 }
5464
5465 static int proc_close( struct inode *inode, struct file *file )
5466 {
5467 struct proc_data *data = file->private_data;
5468
5469 if (data->on_close != NULL)
5470 data->on_close(inode, file);
5471 kfree(data->rbuffer);
5472 kfree(data->wbuffer);
5473 kfree(data);
5474 return 0;
5475 }
5476
5477 /* Since the card doesn't automatically switch to the right WEP mode,
5478 we will make it do it. If the card isn't associated, every secs we
5479 will switch WEP modes to see if that will help. If the card is
5480 associated we will check every minute to see if anything has
5481 changed. */
5482 static void timer_func( struct net_device *dev ) {
5483 struct airo_info *apriv = dev->ml_priv;
5484
5485 /* We don't have a link so try changing the authtype */
5486 readConfigRid(apriv, 0);
5487 disable_MAC(apriv, 0);
5488 switch(apriv->config.authType) {
5489 case AUTH_ENCRYPT:
5490 /* So drop to OPEN */
5491 apriv->config.authType = AUTH_OPEN;
5492 break;
5493 case AUTH_SHAREDKEY:
5494 if (apriv->keyindex < auto_wep) {
5495 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5496 apriv->config.authType = AUTH_SHAREDKEY;
5497 apriv->keyindex++;
5498 } else {
5499 /* Drop to ENCRYPT */
5500 apriv->keyindex = 0;
5501 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5502 apriv->config.authType = AUTH_ENCRYPT;
5503 }
5504 break;
5505 default: /* We'll escalate to SHAREDKEY */
5506 apriv->config.authType = AUTH_SHAREDKEY;
5507 }
5508 set_bit (FLAG_COMMIT, &apriv->flags);
5509 writeConfigRid(apriv, 0);
5510 enable_MAC(apriv, 0);
5511 up(&apriv->sem);
5512
5513 /* Schedule check to see if the change worked */
5514 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5515 apriv->expires = RUN_AT(HZ*3);
5516 }
5517
5518 #ifdef CONFIG_PCI
5519 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5520 const struct pci_device_id *pent)
5521 {
5522 struct net_device *dev;
5523
5524 if (pci_enable_device(pdev))
5525 return -ENODEV;
5526 pci_set_master(pdev);
5527
5528 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5529 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5530 else
5531 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5532 if (!dev) {
5533 pci_disable_device(pdev);
5534 return -ENODEV;
5535 }
5536
5537 pci_set_drvdata(pdev, dev);
5538 return 0;
5539 }
5540
5541 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5542 {
5543 struct net_device *dev = pci_get_drvdata(pdev);
5544
5545 airo_print_info(dev->name, "Unregistering...");
5546 stop_airo_card(dev, 1);
5547 pci_disable_device(pdev);
5548 pci_set_drvdata(pdev, NULL);
5549 }
5550
5551 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5552 {
5553 struct net_device *dev = pci_get_drvdata(pdev);
5554 struct airo_info *ai = dev->ml_priv;
5555 Cmd cmd;
5556 Resp rsp;
5557
5558 if (!ai->APList)
5559 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5560 if (!ai->APList)
5561 return -ENOMEM;
5562 if (!ai->SSID)
5563 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5564 if (!ai->SSID)
5565 return -ENOMEM;
5566 readAPListRid(ai, ai->APList);
5567 readSsidRid(ai, ai->SSID);
5568 memset(&cmd, 0, sizeof(cmd));
5569 /* the lock will be released at the end of the resume callback */
5570 if (down_interruptible(&ai->sem))
5571 return -EAGAIN;
5572 disable_MAC(ai, 0);
5573 netif_device_detach(dev);
5574 ai->power = state;
5575 cmd.cmd = HOSTSLEEP;
5576 issuecommand(ai, &cmd, &rsp);
5577
5578 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5579 pci_save_state(pdev);
5580 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5581 }
5582
5583 static int airo_pci_resume(struct pci_dev *pdev)
5584 {
5585 struct net_device *dev = pci_get_drvdata(pdev);
5586 struct airo_info *ai = dev->ml_priv;
5587 pci_power_t prev_state = pdev->current_state;
5588
5589 pci_set_power_state(pdev, PCI_D0);
5590 pci_restore_state(pdev);
5591 pci_enable_wake(pdev, PCI_D0, 0);
5592
5593 if (prev_state != PCI_D1) {
5594 reset_card(dev, 0);
5595 mpi_init_descriptors(ai);
5596 setup_card(ai, dev->dev_addr, 0);
5597 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5598 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5599 } else {
5600 OUT4500(ai, EVACK, EV_AWAKEN);
5601 OUT4500(ai, EVACK, EV_AWAKEN);
5602 msleep(100);
5603 }
5604
5605 set_bit(FLAG_COMMIT, &ai->flags);
5606 disable_MAC(ai, 0);
5607 msleep(200);
5608 if (ai->SSID) {
5609 writeSsidRid(ai, ai->SSID, 0);
5610 kfree(ai->SSID);
5611 ai->SSID = NULL;
5612 }
5613 if (ai->APList) {
5614 writeAPListRid(ai, ai->APList, 0);
5615 kfree(ai->APList);
5616 ai->APList = NULL;
5617 }
5618 writeConfigRid(ai, 0);
5619 enable_MAC(ai, 0);
5620 ai->power = PMSG_ON;
5621 netif_device_attach(dev);
5622 netif_wake_queue(dev);
5623 enable_interrupts(ai);
5624 up(&ai->sem);
5625 return 0;
5626 }
5627 #endif
5628
5629 static int __init airo_init_module( void )
5630 {
5631 int i;
5632
5633 airo_entry = create_proc_entry("driver/aironet",
5634 S_IFDIR | airo_perm,
5635 NULL);
5636
5637 if (airo_entry) {
5638 airo_entry->uid = proc_uid;
5639 airo_entry->gid = proc_gid;
5640 }
5641
5642 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5643 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5644 "io=0x%x", irq[i], io[i] );
5645 if (init_airo_card( irq[i], io[i], 0, NULL ))
5646 /* do nothing */ ;
5647 }
5648
5649 #ifdef CONFIG_PCI
5650 airo_print_info("", "Probing for PCI adapters");
5651 i = pci_register_driver(&airo_driver);
5652 airo_print_info("", "Finished probing for PCI adapters");
5653
5654 if (i) {
5655 remove_proc_entry("driver/aironet", NULL);
5656 return i;
5657 }
5658 #endif
5659
5660 /* Always exit with success, as we are a library module
5661 * as well as a driver module
5662 */
5663 return 0;
5664 }
5665
5666 static void __exit airo_cleanup_module( void )
5667 {
5668 struct airo_info *ai;
5669 while(!list_empty(&airo_devices)) {
5670 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5671 airo_print_info(ai->dev->name, "Unregistering...");
5672 stop_airo_card(ai->dev, 1);
5673 }
5674 #ifdef CONFIG_PCI
5675 pci_unregister_driver(&airo_driver);
5676 #endif
5677 remove_proc_entry("driver/aironet", NULL);
5678 }
5679
5680 /*
5681 * Initial Wireless Extension code for Aironet driver by :
5682 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5683 * Conversion to new driver API by :
5684 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5685 * Javier also did a good amount of work here, adding some new extensions
5686 * and fixing my code. Let's just say that without him this code just
5687 * would not work at all... - Jean II
5688 */
5689
5690 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5691 {
5692 if (!rssi_rid)
5693 return 0;
5694
5695 return (0x100 - rssi_rid[rssi].rssidBm);
5696 }
5697
5698 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5699 {
5700 int i;
5701
5702 if (!rssi_rid)
5703 return 0;
5704
5705 for (i = 0; i < 256; i++)
5706 if (rssi_rid[i].rssidBm == dbm)
5707 return rssi_rid[i].rssipct;
5708
5709 return 0;
5710 }
5711
5712
5713 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5714 {
5715 int quality = 0;
5716 u16 sq;
5717
5718 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5719 return 0;
5720
5721 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5722 return 0;
5723
5724 sq = le16_to_cpu(status_rid->signalQuality);
5725 if (memcmp(cap_rid->prodName, "350", 3))
5726 if (sq > 0x20)
5727 quality = 0;
5728 else
5729 quality = 0x20 - sq;
5730 else
5731 if (sq > 0xb0)
5732 quality = 0;
5733 else if (sq < 0x10)
5734 quality = 0xa0;
5735 else
5736 quality = 0xb0 - sq;
5737 return quality;
5738 }
5739
5740 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5741 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5742
5743 /*------------------------------------------------------------------*/
5744 /*
5745 * Wireless Handler : get protocol name
5746 */
5747 static int airo_get_name(struct net_device *dev,
5748 struct iw_request_info *info,
5749 char *cwrq,
5750 char *extra)
5751 {
5752 strcpy(cwrq, "IEEE 802.11-DS");
5753 return 0;
5754 }
5755
5756 /*------------------------------------------------------------------*/
5757 /*
5758 * Wireless Handler : set frequency
5759 */
5760 static int airo_set_freq(struct net_device *dev,
5761 struct iw_request_info *info,
5762 struct iw_freq *fwrq,
5763 char *extra)
5764 {
5765 struct airo_info *local = dev->ml_priv;
5766 int rc = -EINPROGRESS; /* Call commit handler */
5767
5768 /* If setting by frequency, convert to a channel */
5769 if(fwrq->e == 1) {
5770 int f = fwrq->m / 100000;
5771
5772 /* Hack to fall through... */
5773 fwrq->e = 0;
5774 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5775 }
5776 /* Setting by channel number */
5777 if((fwrq->m > 1000) || (fwrq->e > 0))
5778 rc = -EOPNOTSUPP;
5779 else {
5780 int channel = fwrq->m;
5781 /* We should do a better check than that,
5782 * based on the card capability !!! */
5783 if((channel < 1) || (channel > 14)) {
5784 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5785 fwrq->m);
5786 rc = -EINVAL;
5787 } else {
5788 readConfigRid(local, 1);
5789 /* Yes ! We can set it !!! */
5790 local->config.channelSet = cpu_to_le16(channel);
5791 set_bit (FLAG_COMMIT, &local->flags);
5792 }
5793 }
5794 return rc;
5795 }
5796
5797 /*------------------------------------------------------------------*/
5798 /*
5799 * Wireless Handler : get frequency
5800 */
5801 static int airo_get_freq(struct net_device *dev,
5802 struct iw_request_info *info,
5803 struct iw_freq *fwrq,
5804 char *extra)
5805 {
5806 struct airo_info *local = dev->ml_priv;
5807 StatusRid status_rid; /* Card status info */
5808 int ch;
5809
5810 readConfigRid(local, 1);
5811 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5812 status_rid.channel = local->config.channelSet;
5813 else
5814 readStatusRid(local, &status_rid, 1);
5815
5816 ch = le16_to_cpu(status_rid.channel);
5817 if((ch > 0) && (ch < 15)) {
5818 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5819 fwrq->e = 1;
5820 } else {
5821 fwrq->m = ch;
5822 fwrq->e = 0;
5823 }
5824
5825 return 0;
5826 }
5827
5828 /*------------------------------------------------------------------*/
5829 /*
5830 * Wireless Handler : set ESSID
5831 */
5832 static int airo_set_essid(struct net_device *dev,
5833 struct iw_request_info *info,
5834 struct iw_point *dwrq,
5835 char *extra)
5836 {
5837 struct airo_info *local = dev->ml_priv;
5838 SsidRid SSID_rid; /* SSIDs */
5839
5840 /* Reload the list of current SSID */
5841 readSsidRid(local, &SSID_rid);
5842
5843 /* Check if we asked for `any' */
5844 if(dwrq->flags == 0) {
5845 /* Just send an empty SSID list */
5846 memset(&SSID_rid, 0, sizeof(SSID_rid));
5847 } else {
5848 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5849
5850 /* Check the size of the string */
5851 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5852 return -E2BIG ;
5853 }
5854 /* Check if index is valid */
5855 if((index < 0) || (index >= 4)) {
5856 return -EINVAL;
5857 }
5858
5859 /* Set the SSID */
5860 memset(SSID_rid.ssids[index].ssid, 0,
5861 sizeof(SSID_rid.ssids[index].ssid));
5862 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5863 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5864 }
5865 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5866 /* Write it to the card */
5867 disable_MAC(local, 1);
5868 writeSsidRid(local, &SSID_rid, 1);
5869 enable_MAC(local, 1);
5870
5871 return 0;
5872 }
5873
5874 /*------------------------------------------------------------------*/
5875 /*
5876 * Wireless Handler : get ESSID
5877 */
5878 static int airo_get_essid(struct net_device *dev,
5879 struct iw_request_info *info,
5880 struct iw_point *dwrq,
5881 char *extra)
5882 {
5883 struct airo_info *local = dev->ml_priv;
5884 StatusRid status_rid; /* Card status info */
5885
5886 readStatusRid(local, &status_rid, 1);
5887
5888 /* Note : if dwrq->flags != 0, we should
5889 * get the relevant SSID from the SSID list... */
5890
5891 /* Get the current SSID */
5892 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5893 /* If none, we may want to get the one that was set */
5894
5895 /* Push it out ! */
5896 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5897 dwrq->flags = 1; /* active */
5898
5899 return 0;
5900 }
5901
5902 /*------------------------------------------------------------------*/
5903 /*
5904 * Wireless Handler : set AP address
5905 */
5906 static int airo_set_wap(struct net_device *dev,
5907 struct iw_request_info *info,
5908 struct sockaddr *awrq,
5909 char *extra)
5910 {
5911 struct airo_info *local = dev->ml_priv;
5912 Cmd cmd;
5913 Resp rsp;
5914 APListRid APList_rid;
5915 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5916 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5917
5918 if (awrq->sa_family != ARPHRD_ETHER)
5919 return -EINVAL;
5920 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5921 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5922 memset(&cmd, 0, sizeof(cmd));
5923 cmd.cmd=CMD_LOSE_SYNC;
5924 if (down_interruptible(&local->sem))
5925 return -ERESTARTSYS;
5926 issuecommand(local, &cmd, &rsp);
5927 up(&local->sem);
5928 } else {
5929 memset(&APList_rid, 0, sizeof(APList_rid));
5930 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5931 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5932 disable_MAC(local, 1);
5933 writeAPListRid(local, &APList_rid, 1);
5934 enable_MAC(local, 1);
5935 }
5936 return 0;
5937 }
5938
5939 /*------------------------------------------------------------------*/
5940 /*
5941 * Wireless Handler : get AP address
5942 */
5943 static int airo_get_wap(struct net_device *dev,
5944 struct iw_request_info *info,
5945 struct sockaddr *awrq,
5946 char *extra)
5947 {
5948 struct airo_info *local = dev->ml_priv;
5949 StatusRid status_rid; /* Card status info */
5950
5951 readStatusRid(local, &status_rid, 1);
5952
5953 /* Tentative. This seems to work, wow, I'm lucky !!! */
5954 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5955 awrq->sa_family = ARPHRD_ETHER;
5956
5957 return 0;
5958 }
5959
5960 /*------------------------------------------------------------------*/
5961 /*
5962 * Wireless Handler : set Nickname
5963 */
5964 static int airo_set_nick(struct net_device *dev,
5965 struct iw_request_info *info,
5966 struct iw_point *dwrq,
5967 char *extra)
5968 {
5969 struct airo_info *local = dev->ml_priv;
5970
5971 /* Check the size of the string */
5972 if(dwrq->length > 16) {
5973 return -E2BIG;
5974 }
5975 readConfigRid(local, 1);
5976 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5977 memcpy(local->config.nodeName, extra, dwrq->length);
5978 set_bit (FLAG_COMMIT, &local->flags);
5979
5980 return -EINPROGRESS; /* Call commit handler */
5981 }
5982
5983 /*------------------------------------------------------------------*/
5984 /*
5985 * Wireless Handler : get Nickname
5986 */
5987 static int airo_get_nick(struct net_device *dev,
5988 struct iw_request_info *info,
5989 struct iw_point *dwrq,
5990 char *extra)
5991 {
5992 struct airo_info *local = dev->ml_priv;
5993
5994 readConfigRid(local, 1);
5995 strncpy(extra, local->config.nodeName, 16);
5996 extra[16] = '\0';
5997 dwrq->length = strlen(extra);
5998
5999 return 0;
6000 }
6001
6002 /*------------------------------------------------------------------*/
6003 /*
6004 * Wireless Handler : set Bit-Rate
6005 */
6006 static int airo_set_rate(struct net_device *dev,
6007 struct iw_request_info *info,
6008 struct iw_param *vwrq,
6009 char *extra)
6010 {
6011 struct airo_info *local = dev->ml_priv;
6012 CapabilityRid cap_rid; /* Card capability info */
6013 u8 brate = 0;
6014 int i;
6015
6016 /* First : get a valid bit rate value */
6017 readCapabilityRid(local, &cap_rid, 1);
6018
6019 /* Which type of value ? */
6020 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6021 /* Setting by rate index */
6022 /* Find value in the magic rate table */
6023 brate = cap_rid.supportedRates[vwrq->value];
6024 } else {
6025 /* Setting by frequency value */
6026 u8 normvalue = (u8) (vwrq->value/500000);
6027
6028 /* Check if rate is valid */
6029 for(i = 0 ; i < 8 ; i++) {
6030 if(normvalue == cap_rid.supportedRates[i]) {
6031 brate = normvalue;
6032 break;
6033 }
6034 }
6035 }
6036 /* -1 designed the max rate (mostly auto mode) */
6037 if(vwrq->value == -1) {
6038 /* Get the highest available rate */
6039 for(i = 0 ; i < 8 ; i++) {
6040 if(cap_rid.supportedRates[i] == 0)
6041 break;
6042 }
6043 if(i != 0)
6044 brate = cap_rid.supportedRates[i - 1];
6045 }
6046 /* Check that it is valid */
6047 if(brate == 0) {
6048 return -EINVAL;
6049 }
6050
6051 readConfigRid(local, 1);
6052 /* Now, check if we want a fixed or auto value */
6053 if(vwrq->fixed == 0) {
6054 /* Fill all the rates up to this max rate */
6055 memset(local->config.rates, 0, 8);
6056 for(i = 0 ; i < 8 ; i++) {
6057 local->config.rates[i] = cap_rid.supportedRates[i];
6058 if(local->config.rates[i] == brate)
6059 break;
6060 }
6061 } else {
6062 /* Fixed mode */
6063 /* One rate, fixed */
6064 memset(local->config.rates, 0, 8);
6065 local->config.rates[0] = brate;
6066 }
6067 set_bit (FLAG_COMMIT, &local->flags);
6068
6069 return -EINPROGRESS; /* Call commit handler */
6070 }
6071
6072 /*------------------------------------------------------------------*/
6073 /*
6074 * Wireless Handler : get Bit-Rate
6075 */
6076 static int airo_get_rate(struct net_device *dev,
6077 struct iw_request_info *info,
6078 struct iw_param *vwrq,
6079 char *extra)
6080 {
6081 struct airo_info *local = dev->ml_priv;
6082 StatusRid status_rid; /* Card status info */
6083
6084 readStatusRid(local, &status_rid, 1);
6085
6086 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6087 /* If more than one rate, set auto */
6088 readConfigRid(local, 1);
6089 vwrq->fixed = (local->config.rates[1] == 0);
6090
6091 return 0;
6092 }
6093
6094 /*------------------------------------------------------------------*/
6095 /*
6096 * Wireless Handler : set RTS threshold
6097 */
6098 static int airo_set_rts(struct net_device *dev,
6099 struct iw_request_info *info,
6100 struct iw_param *vwrq,
6101 char *extra)
6102 {
6103 struct airo_info *local = dev->ml_priv;
6104 int rthr = vwrq->value;
6105
6106 if(vwrq->disabled)
6107 rthr = AIRO_DEF_MTU;
6108 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6109 return -EINVAL;
6110 }
6111 readConfigRid(local, 1);
6112 local->config.rtsThres = cpu_to_le16(rthr);
6113 set_bit (FLAG_COMMIT, &local->flags);
6114
6115 return -EINPROGRESS; /* Call commit handler */
6116 }
6117
6118 /*------------------------------------------------------------------*/
6119 /*
6120 * Wireless Handler : get RTS threshold
6121 */
6122 static int airo_get_rts(struct net_device *dev,
6123 struct iw_request_info *info,
6124 struct iw_param *vwrq,
6125 char *extra)
6126 {
6127 struct airo_info *local = dev->ml_priv;
6128
6129 readConfigRid(local, 1);
6130 vwrq->value = le16_to_cpu(local->config.rtsThres);
6131 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6132 vwrq->fixed = 1;
6133
6134 return 0;
6135 }
6136
6137 /*------------------------------------------------------------------*/
6138 /*
6139 * Wireless Handler : set Fragmentation threshold
6140 */
6141 static int airo_set_frag(struct net_device *dev,
6142 struct iw_request_info *info,
6143 struct iw_param *vwrq,
6144 char *extra)
6145 {
6146 struct airo_info *local = dev->ml_priv;
6147 int fthr = vwrq->value;
6148
6149 if(vwrq->disabled)
6150 fthr = AIRO_DEF_MTU;
6151 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6152 return -EINVAL;
6153 }
6154 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6155 readConfigRid(local, 1);
6156 local->config.fragThresh = cpu_to_le16(fthr);
6157 set_bit (FLAG_COMMIT, &local->flags);
6158
6159 return -EINPROGRESS; /* Call commit handler */
6160 }
6161
6162 /*------------------------------------------------------------------*/
6163 /*
6164 * Wireless Handler : get Fragmentation threshold
6165 */
6166 static int airo_get_frag(struct net_device *dev,
6167 struct iw_request_info *info,
6168 struct iw_param *vwrq,
6169 char *extra)
6170 {
6171 struct airo_info *local = dev->ml_priv;
6172
6173 readConfigRid(local, 1);
6174 vwrq->value = le16_to_cpu(local->config.fragThresh);
6175 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6176 vwrq->fixed = 1;
6177
6178 return 0;
6179 }
6180
6181 /*------------------------------------------------------------------*/
6182 /*
6183 * Wireless Handler : set Mode of Operation
6184 */
6185 static int airo_set_mode(struct net_device *dev,
6186 struct iw_request_info *info,
6187 __u32 *uwrq,
6188 char *extra)
6189 {
6190 struct airo_info *local = dev->ml_priv;
6191 int reset = 0;
6192
6193 readConfigRid(local, 1);
6194 if (sniffing_mode(local))
6195 reset = 1;
6196
6197 switch(*uwrq) {
6198 case IW_MODE_ADHOC:
6199 local->config.opmode &= ~MODE_CFG_MASK;
6200 local->config.opmode |= MODE_STA_IBSS;
6201 local->config.rmode &= ~RXMODE_FULL_MASK;
6202 local->config.scanMode = SCANMODE_ACTIVE;
6203 clear_bit (FLAG_802_11, &local->flags);
6204 break;
6205 case IW_MODE_INFRA:
6206 local->config.opmode &= ~MODE_CFG_MASK;
6207 local->config.opmode |= MODE_STA_ESS;
6208 local->config.rmode &= ~RXMODE_FULL_MASK;
6209 local->config.scanMode = SCANMODE_ACTIVE;
6210 clear_bit (FLAG_802_11, &local->flags);
6211 break;
6212 case IW_MODE_MASTER:
6213 local->config.opmode &= ~MODE_CFG_MASK;
6214 local->config.opmode |= MODE_AP;
6215 local->config.rmode &= ~RXMODE_FULL_MASK;
6216 local->config.scanMode = SCANMODE_ACTIVE;
6217 clear_bit (FLAG_802_11, &local->flags);
6218 break;
6219 case IW_MODE_REPEAT:
6220 local->config.opmode &= ~MODE_CFG_MASK;
6221 local->config.opmode |= MODE_AP_RPTR;
6222 local->config.rmode &= ~RXMODE_FULL_MASK;
6223 local->config.scanMode = SCANMODE_ACTIVE;
6224 clear_bit (FLAG_802_11, &local->flags);
6225 break;
6226 case IW_MODE_MONITOR:
6227 local->config.opmode &= ~MODE_CFG_MASK;
6228 local->config.opmode |= MODE_STA_ESS;
6229 local->config.rmode &= ~RXMODE_FULL_MASK;
6230 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6231 local->config.scanMode = SCANMODE_PASSIVE;
6232 set_bit (FLAG_802_11, &local->flags);
6233 break;
6234 default:
6235 return -EINVAL;
6236 }
6237 if (reset)
6238 set_bit (FLAG_RESET, &local->flags);
6239 set_bit (FLAG_COMMIT, &local->flags);
6240
6241 return -EINPROGRESS; /* Call commit handler */
6242 }
6243
6244 /*------------------------------------------------------------------*/
6245 /*
6246 * Wireless Handler : get Mode of Operation
6247 */
6248 static int airo_get_mode(struct net_device *dev,
6249 struct iw_request_info *info,
6250 __u32 *uwrq,
6251 char *extra)
6252 {
6253 struct airo_info *local = dev->ml_priv;
6254
6255 readConfigRid(local, 1);
6256 /* If not managed, assume it's ad-hoc */
6257 switch (local->config.opmode & MODE_CFG_MASK) {
6258 case MODE_STA_ESS:
6259 *uwrq = IW_MODE_INFRA;
6260 break;
6261 case MODE_AP:
6262 *uwrq = IW_MODE_MASTER;
6263 break;
6264 case MODE_AP_RPTR:
6265 *uwrq = IW_MODE_REPEAT;
6266 break;
6267 default:
6268 *uwrq = IW_MODE_ADHOC;
6269 }
6270
6271 return 0;
6272 }
6273
6274 static inline int valid_index(struct airo_info *ai, int index)
6275 {
6276 return (index >= 0) && (index <= ai->max_wep_idx);
6277 }
6278
6279 /*------------------------------------------------------------------*/
6280 /*
6281 * Wireless Handler : set Encryption Key
6282 */
6283 static int airo_set_encode(struct net_device *dev,
6284 struct iw_request_info *info,
6285 struct iw_point *dwrq,
6286 char *extra)
6287 {
6288 struct airo_info *local = dev->ml_priv;
6289 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6290 __le16 currentAuthType = local->config.authType;
6291
6292 if (!local->wep_capable)
6293 return -EOPNOTSUPP;
6294
6295 readConfigRid(local, 1);
6296
6297 /* Basic checking: do we have a key to set ?
6298 * Note : with the new API, it's impossible to get a NULL pointer.
6299 * Therefore, we need to check a key size == 0 instead.
6300 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6301 * when no key is present (only change flags), but older versions
6302 * don't do it. - Jean II */
6303 if (dwrq->length > 0) {
6304 wep_key_t key;
6305 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6306 int current_index = get_wep_key(local, 0xffff);
6307
6308 /* Check the size of the key */
6309 if (dwrq->length > MAX_KEY_SIZE) {
6310 return -EINVAL;
6311 }
6312
6313 /* Check the index (none -> use current) */
6314 if (!valid_index(local, index))
6315 index = current_index;
6316
6317 /* Set the length */
6318 if (dwrq->length > MIN_KEY_SIZE)
6319 key.len = MAX_KEY_SIZE;
6320 else
6321 if (dwrq->length > 0)
6322 key.len = MIN_KEY_SIZE;
6323 else
6324 /* Disable the key */
6325 key.len = 0;
6326 /* Check if the key is not marked as invalid */
6327 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6328 /* Cleanup */
6329 memset(key.key, 0, MAX_KEY_SIZE);
6330 /* Copy the key in the driver */
6331 memcpy(key.key, extra, dwrq->length);
6332 /* Send the key to the card */
6333 set_wep_key(local, index, key.key, key.len, perm, 1);
6334 }
6335 /* WE specify that if a valid key is set, encryption
6336 * should be enabled (user may turn it off later)
6337 * This is also how "iwconfig ethX key on" works */
6338 if((index == current_index) && (key.len > 0) &&
6339 (local->config.authType == AUTH_OPEN)) {
6340 local->config.authType = AUTH_ENCRYPT;
6341 }
6342 } else {
6343 /* Do we want to just set the transmit key index ? */
6344 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6345 if (valid_index(local, index))
6346 set_wep_key(local, index, NULL, 0, perm, 1);
6347 else {
6348 /* Don't complain if only change the mode */
6349 if (!(dwrq->flags & IW_ENCODE_MODE))
6350 return -EINVAL;
6351 }
6352 }
6353 /* Read the flags */
6354 if(dwrq->flags & IW_ENCODE_DISABLED)
6355 local->config.authType = AUTH_OPEN; // disable encryption
6356 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6357 local->config.authType = AUTH_SHAREDKEY; // Only Both
6358 if(dwrq->flags & IW_ENCODE_OPEN)
6359 local->config.authType = AUTH_ENCRYPT; // Only Wep
6360 /* Commit the changes to flags if needed */
6361 if (local->config.authType != currentAuthType)
6362 set_bit (FLAG_COMMIT, &local->flags);
6363 return -EINPROGRESS; /* Call commit handler */
6364 }
6365
6366 /*------------------------------------------------------------------*/
6367 /*
6368 * Wireless Handler : get Encryption Key
6369 */
6370 static int airo_get_encode(struct net_device *dev,
6371 struct iw_request_info *info,
6372 struct iw_point *dwrq,
6373 char *extra)
6374 {
6375 struct airo_info *local = dev->ml_priv;
6376 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6377
6378 if (!local->wep_capable)
6379 return -EOPNOTSUPP;
6380
6381 readConfigRid(local, 1);
6382
6383 /* Check encryption mode */
6384 switch(local->config.authType) {
6385 case AUTH_ENCRYPT:
6386 dwrq->flags = IW_ENCODE_OPEN;
6387 break;
6388 case AUTH_SHAREDKEY:
6389 dwrq->flags = IW_ENCODE_RESTRICTED;
6390 break;
6391 default:
6392 case AUTH_OPEN:
6393 dwrq->flags = IW_ENCODE_DISABLED;
6394 break;
6395 }
6396 /* We can't return the key, so set the proper flag and return zero */
6397 dwrq->flags |= IW_ENCODE_NOKEY;
6398 memset(extra, 0, 16);
6399
6400 /* Which key do we want ? -1 -> tx index */
6401 if (!valid_index(local, index))
6402 index = get_wep_key(local, 0xffff);
6403 dwrq->flags |= index + 1;
6404 /* Copy the key to the user buffer */
6405 dwrq->length = get_wep_key(local, index);
6406 if (dwrq->length > 16) {
6407 dwrq->length=0;
6408 }
6409 return 0;
6410 }
6411
6412 /*------------------------------------------------------------------*/
6413 /*
6414 * Wireless Handler : set extended Encryption parameters
6415 */
6416 static int airo_set_encodeext(struct net_device *dev,
6417 struct iw_request_info *info,
6418 union iwreq_data *wrqu,
6419 char *extra)
6420 {
6421 struct airo_info *local = dev->ml_priv;
6422 struct iw_point *encoding = &wrqu->encoding;
6423 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6424 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6425 __le16 currentAuthType = local->config.authType;
6426 int idx, key_len, alg = ext->alg, set_key = 1;
6427 wep_key_t key;
6428
6429 if (!local->wep_capable)
6430 return -EOPNOTSUPP;
6431
6432 readConfigRid(local, 1);
6433
6434 /* Determine and validate the key index */
6435 idx = encoding->flags & IW_ENCODE_INDEX;
6436 if (idx) {
6437 if (!valid_index(local, idx - 1))
6438 return -EINVAL;
6439 idx--;
6440 } else
6441 idx = get_wep_key(local, 0xffff);
6442
6443 if (encoding->flags & IW_ENCODE_DISABLED)
6444 alg = IW_ENCODE_ALG_NONE;
6445
6446 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6447 /* Only set transmit key index here, actual
6448 * key is set below if needed.
6449 */
6450 set_wep_key(local, idx, NULL, 0, perm, 1);
6451 set_key = ext->key_len > 0 ? 1 : 0;
6452 }
6453
6454 if (set_key) {
6455 /* Set the requested key first */
6456 memset(key.key, 0, MAX_KEY_SIZE);
6457 switch (alg) {
6458 case IW_ENCODE_ALG_NONE:
6459 key.len = 0;
6460 break;
6461 case IW_ENCODE_ALG_WEP:
6462 if (ext->key_len > MIN_KEY_SIZE) {
6463 key.len = MAX_KEY_SIZE;
6464 } else if (ext->key_len > 0) {
6465 key.len = MIN_KEY_SIZE;
6466 } else {
6467 return -EINVAL;
6468 }
6469 key_len = min (ext->key_len, key.len);
6470 memcpy(key.key, ext->key, key_len);
6471 break;
6472 default:
6473 return -EINVAL;
6474 }
6475 /* Send the key to the card */
6476 set_wep_key(local, idx, key.key, key.len, perm, 1);
6477 }
6478
6479 /* Read the flags */
6480 if(encoding->flags & IW_ENCODE_DISABLED)
6481 local->config.authType = AUTH_OPEN; // disable encryption
6482 if(encoding->flags & IW_ENCODE_RESTRICTED)
6483 local->config.authType = AUTH_SHAREDKEY; // Only Both
6484 if(encoding->flags & IW_ENCODE_OPEN)
6485 local->config.authType = AUTH_ENCRYPT; // Only Wep
6486 /* Commit the changes to flags if needed */
6487 if (local->config.authType != currentAuthType)
6488 set_bit (FLAG_COMMIT, &local->flags);
6489
6490 return -EINPROGRESS;
6491 }
6492
6493
6494 /*------------------------------------------------------------------*/
6495 /*
6496 * Wireless Handler : get extended Encryption parameters
6497 */
6498 static int airo_get_encodeext(struct net_device *dev,
6499 struct iw_request_info *info,
6500 union iwreq_data *wrqu,
6501 char *extra)
6502 {
6503 struct airo_info *local = dev->ml_priv;
6504 struct iw_point *encoding = &wrqu->encoding;
6505 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6506 int idx, max_key_len;
6507
6508 if (!local->wep_capable)
6509 return -EOPNOTSUPP;
6510
6511 readConfigRid(local, 1);
6512
6513 max_key_len = encoding->length - sizeof(*ext);
6514 if (max_key_len < 0)
6515 return -EINVAL;
6516
6517 idx = encoding->flags & IW_ENCODE_INDEX;
6518 if (idx) {
6519 if (!valid_index(local, idx - 1))
6520 return -EINVAL;
6521 idx--;
6522 } else
6523 idx = get_wep_key(local, 0xffff);
6524
6525 encoding->flags = idx + 1;
6526 memset(ext, 0, sizeof(*ext));
6527
6528 /* Check encryption mode */
6529 switch(local->config.authType) {
6530 case AUTH_ENCRYPT:
6531 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6532 break;
6533 case AUTH_SHAREDKEY:
6534 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6535 break;
6536 default:
6537 case AUTH_OPEN:
6538 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6539 break;
6540 }
6541 /* We can't return the key, so set the proper flag and return zero */
6542 encoding->flags |= IW_ENCODE_NOKEY;
6543 memset(extra, 0, 16);
6544
6545 /* Copy the key to the user buffer */
6546 ext->key_len = get_wep_key(local, idx);
6547 if (ext->key_len > 16) {
6548 ext->key_len=0;
6549 }
6550
6551 return 0;
6552 }
6553
6554
6555 /*------------------------------------------------------------------*/
6556 /*
6557 * Wireless Handler : set extended authentication parameters
6558 */
6559 static int airo_set_auth(struct net_device *dev,
6560 struct iw_request_info *info,
6561 union iwreq_data *wrqu, char *extra)
6562 {
6563 struct airo_info *local = dev->ml_priv;
6564 struct iw_param *param = &wrqu->param;
6565 __le16 currentAuthType = local->config.authType;
6566
6567 switch (param->flags & IW_AUTH_INDEX) {
6568 case IW_AUTH_WPA_VERSION:
6569 case IW_AUTH_CIPHER_PAIRWISE:
6570 case IW_AUTH_CIPHER_GROUP:
6571 case IW_AUTH_KEY_MGMT:
6572 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6573 case IW_AUTH_PRIVACY_INVOKED:
6574 /*
6575 * airo does not use these parameters
6576 */
6577 break;
6578
6579 case IW_AUTH_DROP_UNENCRYPTED:
6580 if (param->value) {
6581 /* Only change auth type if unencrypted */
6582 if (currentAuthType == AUTH_OPEN)
6583 local->config.authType = AUTH_ENCRYPT;
6584 } else {
6585 local->config.authType = AUTH_OPEN;
6586 }
6587
6588 /* Commit the changes to flags if needed */
6589 if (local->config.authType != currentAuthType)
6590 set_bit (FLAG_COMMIT, &local->flags);
6591 break;
6592
6593 case IW_AUTH_80211_AUTH_ALG: {
6594 /* FIXME: What about AUTH_OPEN? This API seems to
6595 * disallow setting our auth to AUTH_OPEN.
6596 */
6597 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6598 local->config.authType = AUTH_SHAREDKEY;
6599 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6600 local->config.authType = AUTH_ENCRYPT;
6601 } else
6602 return -EINVAL;
6603 break;
6604
6605 /* Commit the changes to flags if needed */
6606 if (local->config.authType != currentAuthType)
6607 set_bit (FLAG_COMMIT, &local->flags);
6608 }
6609
6610 case IW_AUTH_WPA_ENABLED:
6611 /* Silently accept disable of WPA */
6612 if (param->value > 0)
6613 return -EOPNOTSUPP;
6614 break;
6615
6616 default:
6617 return -EOPNOTSUPP;
6618 }
6619 return -EINPROGRESS;
6620 }
6621
6622
6623 /*------------------------------------------------------------------*/
6624 /*
6625 * Wireless Handler : get extended authentication parameters
6626 */
6627 static int airo_get_auth(struct net_device *dev,
6628 struct iw_request_info *info,
6629 union iwreq_data *wrqu, char *extra)
6630 {
6631 struct airo_info *local = dev->ml_priv;
6632 struct iw_param *param = &wrqu->param;
6633 __le16 currentAuthType = local->config.authType;
6634
6635 switch (param->flags & IW_AUTH_INDEX) {
6636 case IW_AUTH_DROP_UNENCRYPTED:
6637 switch (currentAuthType) {
6638 case AUTH_SHAREDKEY:
6639 case AUTH_ENCRYPT:
6640 param->value = 1;
6641 break;
6642 default:
6643 param->value = 0;
6644 break;
6645 }
6646 break;
6647
6648 case IW_AUTH_80211_AUTH_ALG:
6649 switch (currentAuthType) {
6650 case AUTH_SHAREDKEY:
6651 param->value = IW_AUTH_ALG_SHARED_KEY;
6652 break;
6653 case AUTH_ENCRYPT:
6654 default:
6655 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6656 break;
6657 }
6658 break;
6659
6660 case IW_AUTH_WPA_ENABLED:
6661 param->value = 0;
6662 break;
6663
6664 default:
6665 return -EOPNOTSUPP;
6666 }
6667 return 0;
6668 }
6669
6670
6671 /*------------------------------------------------------------------*/
6672 /*
6673 * Wireless Handler : set Tx-Power
6674 */
6675 static int airo_set_txpow(struct net_device *dev,
6676 struct iw_request_info *info,
6677 struct iw_param *vwrq,
6678 char *extra)
6679 {
6680 struct airo_info *local = dev->ml_priv;
6681 CapabilityRid cap_rid; /* Card capability info */
6682 int i;
6683 int rc = -EINVAL;
6684 __le16 v = cpu_to_le16(vwrq->value);
6685
6686 readCapabilityRid(local, &cap_rid, 1);
6687
6688 if (vwrq->disabled) {
6689 set_bit (FLAG_RADIO_OFF, &local->flags);
6690 set_bit (FLAG_COMMIT, &local->flags);
6691 return -EINPROGRESS; /* Call commit handler */
6692 }
6693 if (vwrq->flags != IW_TXPOW_MWATT) {
6694 return -EINVAL;
6695 }
6696 clear_bit (FLAG_RADIO_OFF, &local->flags);
6697 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6698 if (v == cap_rid.txPowerLevels[i]) {
6699 readConfigRid(local, 1);
6700 local->config.txPower = v;
6701 set_bit (FLAG_COMMIT, &local->flags);
6702 rc = -EINPROGRESS; /* Call commit handler */
6703 break;
6704 }
6705 return rc;
6706 }
6707
6708 /*------------------------------------------------------------------*/
6709 /*
6710 * Wireless Handler : get Tx-Power
6711 */
6712 static int airo_get_txpow(struct net_device *dev,
6713 struct iw_request_info *info,
6714 struct iw_param *vwrq,
6715 char *extra)
6716 {
6717 struct airo_info *local = dev->ml_priv;
6718
6719 readConfigRid(local, 1);
6720 vwrq->value = le16_to_cpu(local->config.txPower);
6721 vwrq->fixed = 1; /* No power control */
6722 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6723 vwrq->flags = IW_TXPOW_MWATT;
6724
6725 return 0;
6726 }
6727
6728 /*------------------------------------------------------------------*/
6729 /*
6730 * Wireless Handler : set Retry limits
6731 */
6732 static int airo_set_retry(struct net_device *dev,
6733 struct iw_request_info *info,
6734 struct iw_param *vwrq,
6735 char *extra)
6736 {
6737 struct airo_info *local = dev->ml_priv;
6738 int rc = -EINVAL;
6739
6740 if(vwrq->disabled) {
6741 return -EINVAL;
6742 }
6743 readConfigRid(local, 1);
6744 if(vwrq->flags & IW_RETRY_LIMIT) {
6745 __le16 v = cpu_to_le16(vwrq->value);
6746 if(vwrq->flags & IW_RETRY_LONG)
6747 local->config.longRetryLimit = v;
6748 else if (vwrq->flags & IW_RETRY_SHORT)
6749 local->config.shortRetryLimit = v;
6750 else {
6751 /* No modifier : set both */
6752 local->config.longRetryLimit = v;
6753 local->config.shortRetryLimit = v;
6754 }
6755 set_bit (FLAG_COMMIT, &local->flags);
6756 rc = -EINPROGRESS; /* Call commit handler */
6757 }
6758 if(vwrq->flags & IW_RETRY_LIFETIME) {
6759 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6760 set_bit (FLAG_COMMIT, &local->flags);
6761 rc = -EINPROGRESS; /* Call commit handler */
6762 }
6763 return rc;
6764 }
6765
6766 /*------------------------------------------------------------------*/
6767 /*
6768 * Wireless Handler : get Retry limits
6769 */
6770 static int airo_get_retry(struct net_device *dev,
6771 struct iw_request_info *info,
6772 struct iw_param *vwrq,
6773 char *extra)
6774 {
6775 struct airo_info *local = dev->ml_priv;
6776
6777 vwrq->disabled = 0; /* Can't be disabled */
6778
6779 readConfigRid(local, 1);
6780 /* Note : by default, display the min retry number */
6781 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6782 vwrq->flags = IW_RETRY_LIFETIME;
6783 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6784 } else if((vwrq->flags & IW_RETRY_LONG)) {
6785 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6786 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6787 } else {
6788 vwrq->flags = IW_RETRY_LIMIT;
6789 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6790 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6791 vwrq->flags |= IW_RETRY_SHORT;
6792 }
6793
6794 return 0;
6795 }
6796
6797 /*------------------------------------------------------------------*/
6798 /*
6799 * Wireless Handler : get range info
6800 */
6801 static int airo_get_range(struct net_device *dev,
6802 struct iw_request_info *info,
6803 struct iw_point *dwrq,
6804 char *extra)
6805 {
6806 struct airo_info *local = dev->ml_priv;
6807 struct iw_range *range = (struct iw_range *) extra;
6808 CapabilityRid cap_rid; /* Card capability info */
6809 int i;
6810 int k;
6811
6812 readCapabilityRid(local, &cap_rid, 1);
6813
6814 dwrq->length = sizeof(struct iw_range);
6815 memset(range, 0, sizeof(*range));
6816 range->min_nwid = 0x0000;
6817 range->max_nwid = 0x0000;
6818 range->num_channels = 14;
6819 /* Should be based on cap_rid.country to give only
6820 * what the current card support */
6821 k = 0;
6822 for(i = 0; i < 14; i++) {
6823 range->freq[k].i = i + 1; /* List index */
6824 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6825 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6826 }
6827 range->num_frequency = k;
6828
6829 range->sensitivity = 65535;
6830
6831 /* Hum... Should put the right values there */
6832 if (local->rssi)
6833 range->max_qual.qual = 100; /* % */
6834 else
6835 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6836 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6837 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6838
6839 /* Experimental measurements - boundary 11/5.5 Mb/s */
6840 /* Note : with or without the (local->rssi), results
6841 * are somewhat different. - Jean II */
6842 if (local->rssi) {
6843 range->avg_qual.qual = 50; /* % */
6844 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6845 } else {
6846 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6847 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6848 }
6849 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6850
6851 for(i = 0 ; i < 8 ; i++) {
6852 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6853 if(range->bitrate[i] == 0)
6854 break;
6855 }
6856 range->num_bitrates = i;
6857
6858 /* Set an indication of the max TCP throughput
6859 * in bit/s that we can expect using this interface.
6860 * May be use for QoS stuff... Jean II */
6861 if(i > 2)
6862 range->throughput = 5000 * 1000;
6863 else
6864 range->throughput = 1500 * 1000;
6865
6866 range->min_rts = 0;
6867 range->max_rts = AIRO_DEF_MTU;
6868 range->min_frag = 256;
6869 range->max_frag = AIRO_DEF_MTU;
6870
6871 if(cap_rid.softCap & cpu_to_le16(2)) {
6872 // WEP: RC4 40 bits
6873 range->encoding_size[0] = 5;
6874 // RC4 ~128 bits
6875 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6876 range->encoding_size[1] = 13;
6877 range->num_encoding_sizes = 2;
6878 } else
6879 range->num_encoding_sizes = 1;
6880 range->max_encoding_tokens =
6881 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6882 } else {
6883 range->num_encoding_sizes = 0;
6884 range->max_encoding_tokens = 0;
6885 }
6886 range->min_pmp = 0;
6887 range->max_pmp = 5000000; /* 5 secs */
6888 range->min_pmt = 0;
6889 range->max_pmt = 65535 * 1024; /* ??? */
6890 range->pmp_flags = IW_POWER_PERIOD;
6891 range->pmt_flags = IW_POWER_TIMEOUT;
6892 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6893
6894 /* Transmit Power - values are in mW */
6895 for(i = 0 ; i < 8 ; i++) {
6896 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6897 if(range->txpower[i] == 0)
6898 break;
6899 }
6900 range->num_txpower = i;
6901 range->txpower_capa = IW_TXPOW_MWATT;
6902 range->we_version_source = 19;
6903 range->we_version_compiled = WIRELESS_EXT;
6904 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6905 range->retry_flags = IW_RETRY_LIMIT;
6906 range->r_time_flags = IW_RETRY_LIFETIME;
6907 range->min_retry = 1;
6908 range->max_retry = 65535;
6909 range->min_r_time = 1024;
6910 range->max_r_time = 65535 * 1024;
6911
6912 /* Event capability (kernel + driver) */
6913 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6914 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6915 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6916 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6917 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6918 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6919 return 0;
6920 }
6921
6922 /*------------------------------------------------------------------*/
6923 /*
6924 * Wireless Handler : set Power Management
6925 */
6926 static int airo_set_power(struct net_device *dev,
6927 struct iw_request_info *info,
6928 struct iw_param *vwrq,
6929 char *extra)
6930 {
6931 struct airo_info *local = dev->ml_priv;
6932
6933 readConfigRid(local, 1);
6934 if (vwrq->disabled) {
6935 if (sniffing_mode(local))
6936 return -EINVAL;
6937 local->config.powerSaveMode = POWERSAVE_CAM;
6938 local->config.rmode &= ~RXMODE_MASK;
6939 local->config.rmode |= RXMODE_BC_MC_ADDR;
6940 set_bit (FLAG_COMMIT, &local->flags);
6941 return -EINPROGRESS; /* Call commit handler */
6942 }
6943 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6944 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
6945 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6946 set_bit (FLAG_COMMIT, &local->flags);
6947 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6948 local->config.fastListenInterval =
6949 local->config.listenInterval =
6950 cpu_to_le16((vwrq->value + 500) / 1024);
6951 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6952 set_bit (FLAG_COMMIT, &local->flags);
6953 }
6954 switch (vwrq->flags & IW_POWER_MODE) {
6955 case IW_POWER_UNICAST_R:
6956 if (sniffing_mode(local))
6957 return -EINVAL;
6958 local->config.rmode &= ~RXMODE_MASK;
6959 local->config.rmode |= RXMODE_ADDR;
6960 set_bit (FLAG_COMMIT, &local->flags);
6961 break;
6962 case IW_POWER_ALL_R:
6963 if (sniffing_mode(local))
6964 return -EINVAL;
6965 local->config.rmode &= ~RXMODE_MASK;
6966 local->config.rmode |= RXMODE_BC_MC_ADDR;
6967 set_bit (FLAG_COMMIT, &local->flags);
6968 case IW_POWER_ON:
6969 /* This is broken, fixme ;-) */
6970 break;
6971 default:
6972 return -EINVAL;
6973 }
6974 // Note : we may want to factor local->need_commit here
6975 // Note2 : may also want to factor RXMODE_RFMON test
6976 return -EINPROGRESS; /* Call commit handler */
6977 }
6978
6979 /*------------------------------------------------------------------*/
6980 /*
6981 * Wireless Handler : get Power Management
6982 */
6983 static int airo_get_power(struct net_device *dev,
6984 struct iw_request_info *info,
6985 struct iw_param *vwrq,
6986 char *extra)
6987 {
6988 struct airo_info *local = dev->ml_priv;
6989 __le16 mode;
6990
6991 readConfigRid(local, 1);
6992 mode = local->config.powerSaveMode;
6993 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6994 return 0;
6995 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6996 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
6997 vwrq->flags = IW_POWER_TIMEOUT;
6998 } else {
6999 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7000 vwrq->flags = IW_POWER_PERIOD;
7001 }
7002 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7003 vwrq->flags |= IW_POWER_UNICAST_R;
7004 else
7005 vwrq->flags |= IW_POWER_ALL_R;
7006
7007 return 0;
7008 }
7009
7010 /*------------------------------------------------------------------*/
7011 /*
7012 * Wireless Handler : set Sensitivity
7013 */
7014 static int airo_set_sens(struct net_device *dev,
7015 struct iw_request_info *info,
7016 struct iw_param *vwrq,
7017 char *extra)
7018 {
7019 struct airo_info *local = dev->ml_priv;
7020
7021 readConfigRid(local, 1);
7022 local->config.rssiThreshold =
7023 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7024 set_bit (FLAG_COMMIT, &local->flags);
7025
7026 return -EINPROGRESS; /* Call commit handler */
7027 }
7028
7029 /*------------------------------------------------------------------*/
7030 /*
7031 * Wireless Handler : get Sensitivity
7032 */
7033 static int airo_get_sens(struct net_device *dev,
7034 struct iw_request_info *info,
7035 struct iw_param *vwrq,
7036 char *extra)
7037 {
7038 struct airo_info *local = dev->ml_priv;
7039
7040 readConfigRid(local, 1);
7041 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7042 vwrq->disabled = (vwrq->value == 0);
7043 vwrq->fixed = 1;
7044
7045 return 0;
7046 }
7047
7048 /*------------------------------------------------------------------*/
7049 /*
7050 * Wireless Handler : get AP List
7051 * Note : this is deprecated in favor of IWSCAN
7052 */
7053 static int airo_get_aplist(struct net_device *dev,
7054 struct iw_request_info *info,
7055 struct iw_point *dwrq,
7056 char *extra)
7057 {
7058 struct airo_info *local = dev->ml_priv;
7059 struct sockaddr *address = (struct sockaddr *) extra;
7060 struct iw_quality qual[IW_MAX_AP];
7061 BSSListRid BSSList;
7062 int i;
7063 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7064
7065 for (i = 0; i < IW_MAX_AP; i++) {
7066 u16 dBm;
7067 if (readBSSListRid(local, loseSync, &BSSList))
7068 break;
7069 loseSync = 0;
7070 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7071 address[i].sa_family = ARPHRD_ETHER;
7072 dBm = le16_to_cpu(BSSList.dBm);
7073 if (local->rssi) {
7074 qual[i].level = 0x100 - dBm;
7075 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7076 qual[i].updated = IW_QUAL_QUAL_UPDATED
7077 | IW_QUAL_LEVEL_UPDATED
7078 | IW_QUAL_DBM;
7079 } else {
7080 qual[i].level = (dBm + 321) / 2;
7081 qual[i].qual = 0;
7082 qual[i].updated = IW_QUAL_QUAL_INVALID
7083 | IW_QUAL_LEVEL_UPDATED
7084 | IW_QUAL_DBM;
7085 }
7086 qual[i].noise = local->wstats.qual.noise;
7087 if (BSSList.index == cpu_to_le16(0xffff))
7088 break;
7089 }
7090 if (!i) {
7091 StatusRid status_rid; /* Card status info */
7092 readStatusRid(local, &status_rid, 1);
7093 for (i = 0;
7094 i < min(IW_MAX_AP, 4) &&
7095 (status_rid.bssid[i][0]
7096 & status_rid.bssid[i][1]
7097 & status_rid.bssid[i][2]
7098 & status_rid.bssid[i][3]
7099 & status_rid.bssid[i][4]
7100 & status_rid.bssid[i][5])!=0xff &&
7101 (status_rid.bssid[i][0]
7102 | status_rid.bssid[i][1]
7103 | status_rid.bssid[i][2]
7104 | status_rid.bssid[i][3]
7105 | status_rid.bssid[i][4]
7106 | status_rid.bssid[i][5]);
7107 i++) {
7108 memcpy(address[i].sa_data,
7109 status_rid.bssid[i], ETH_ALEN);
7110 address[i].sa_family = ARPHRD_ETHER;
7111 }
7112 } else {
7113 dwrq->flags = 1; /* Should be define'd */
7114 memcpy(extra + sizeof(struct sockaddr)*i,
7115 &qual, sizeof(struct iw_quality)*i);
7116 }
7117 dwrq->length = i;
7118
7119 return 0;
7120 }
7121
7122 /*------------------------------------------------------------------*/
7123 /*
7124 * Wireless Handler : Initiate Scan
7125 */
7126 static int airo_set_scan(struct net_device *dev,
7127 struct iw_request_info *info,
7128 struct iw_point *dwrq,
7129 char *extra)
7130 {
7131 struct airo_info *ai = dev->ml_priv;
7132 Cmd cmd;
7133 Resp rsp;
7134 int wake = 0;
7135
7136 /* Note : you may have realised that, as this is a SET operation,
7137 * this is privileged and therefore a normal user can't
7138 * perform scanning.
7139 * This is not an error, while the device perform scanning,
7140 * traffic doesn't flow, so it's a perfect DoS...
7141 * Jean II */
7142 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7143
7144 if (down_interruptible(&ai->sem))
7145 return -ERESTARTSYS;
7146
7147 /* If there's already a scan in progress, don't
7148 * trigger another one. */
7149 if (ai->scan_timeout > 0)
7150 goto out;
7151
7152 /* Initiate a scan command */
7153 ai->scan_timeout = RUN_AT(3*HZ);
7154 memset(&cmd, 0, sizeof(cmd));
7155 cmd.cmd=CMD_LISTBSS;
7156 issuecommand(ai, &cmd, &rsp);
7157 wake = 1;
7158
7159 out:
7160 up(&ai->sem);
7161 if (wake)
7162 wake_up_interruptible(&ai->thr_wait);
7163 return 0;
7164 }
7165
7166 /*------------------------------------------------------------------*/
7167 /*
7168 * Translate scan data returned from the card to a card independent
7169 * format that the Wireless Tools will understand - Jean II
7170 */
7171 static inline char *airo_translate_scan(struct net_device *dev,
7172 struct iw_request_info *info,
7173 char *current_ev,
7174 char *end_buf,
7175 BSSListRid *bss)
7176 {
7177 struct airo_info *ai = dev->ml_priv;
7178 struct iw_event iwe; /* Temporary buffer */
7179 __le16 capabilities;
7180 char * current_val; /* For rates */
7181 int i;
7182 char * buf;
7183 u16 dBm;
7184
7185 /* First entry *MUST* be the AP MAC address */
7186 iwe.cmd = SIOCGIWAP;
7187 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7188 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7189 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7190 &iwe, IW_EV_ADDR_LEN);
7191
7192 /* Other entries will be displayed in the order we give them */
7193
7194 /* Add the ESSID */
7195 iwe.u.data.length = bss->ssidLen;
7196 if(iwe.u.data.length > 32)
7197 iwe.u.data.length = 32;
7198 iwe.cmd = SIOCGIWESSID;
7199 iwe.u.data.flags = 1;
7200 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7201 &iwe, bss->ssid);
7202
7203 /* Add mode */
7204 iwe.cmd = SIOCGIWMODE;
7205 capabilities = bss->cap;
7206 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7207 if(capabilities & CAP_ESS)
7208 iwe.u.mode = IW_MODE_MASTER;
7209 else
7210 iwe.u.mode = IW_MODE_ADHOC;
7211 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7212 &iwe, IW_EV_UINT_LEN);
7213 }
7214
7215 /* Add frequency */
7216 iwe.cmd = SIOCGIWFREQ;
7217 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7218 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7219 iwe.u.freq.e = 1;
7220 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7221 &iwe, IW_EV_FREQ_LEN);
7222
7223 dBm = le16_to_cpu(bss->dBm);
7224
7225 /* Add quality statistics */
7226 iwe.cmd = IWEVQUAL;
7227 if (ai->rssi) {
7228 iwe.u.qual.level = 0x100 - dBm;
7229 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7230 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7231 | IW_QUAL_LEVEL_UPDATED
7232 | IW_QUAL_DBM;
7233 } else {
7234 iwe.u.qual.level = (dBm + 321) / 2;
7235 iwe.u.qual.qual = 0;
7236 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7237 | IW_QUAL_LEVEL_UPDATED
7238 | IW_QUAL_DBM;
7239 }
7240 iwe.u.qual.noise = ai->wstats.qual.noise;
7241 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7242 &iwe, IW_EV_QUAL_LEN);
7243
7244 /* Add encryption capability */
7245 iwe.cmd = SIOCGIWENCODE;
7246 if(capabilities & CAP_PRIVACY)
7247 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7248 else
7249 iwe.u.data.flags = IW_ENCODE_DISABLED;
7250 iwe.u.data.length = 0;
7251 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7252 &iwe, bss->ssid);
7253
7254 /* Rate : stuffing multiple values in a single event require a bit
7255 * more of magic - Jean II */
7256 current_val = current_ev + iwe_stream_lcp_len(info);
7257
7258 iwe.cmd = SIOCGIWRATE;
7259 /* Those two flags are ignored... */
7260 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7261 /* Max 8 values */
7262 for(i = 0 ; i < 8 ; i++) {
7263 /* NULL terminated */
7264 if(bss->rates[i] == 0)
7265 break;
7266 /* Bit rate given in 500 kb/s units (+ 0x80) */
7267 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7268 /* Add new value to event */
7269 current_val = iwe_stream_add_value(info, current_ev,
7270 current_val, end_buf,
7271 &iwe, IW_EV_PARAM_LEN);
7272 }
7273 /* Check if we added any event */
7274 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7275 current_ev = current_val;
7276
7277 /* Beacon interval */
7278 buf = kmalloc(30, GFP_KERNEL);
7279 if (buf) {
7280 iwe.cmd = IWEVCUSTOM;
7281 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7282 iwe.u.data.length = strlen(buf);
7283 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7284 &iwe, buf);
7285 kfree(buf);
7286 }
7287
7288 /* Put WPA/RSN Information Elements into the event stream */
7289 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7290 unsigned int num_null_ies = 0;
7291 u16 length = sizeof (bss->extra.iep);
7292 u8 *ie = (void *)&bss->extra.iep;
7293
7294 while ((length >= 2) && (num_null_ies < 2)) {
7295 if (2 + ie[1] > length) {
7296 /* Invalid element, don't continue parsing IE */
7297 break;
7298 }
7299
7300 switch (ie[0]) {
7301 case WLAN_EID_SSID:
7302 /* Two zero-length SSID elements
7303 * mean we're done parsing elements */
7304 if (!ie[1])
7305 num_null_ies++;
7306 break;
7307
7308 case WLAN_EID_GENERIC:
7309 if (ie[1] >= 4 &&
7310 ie[2] == 0x00 &&
7311 ie[3] == 0x50 &&
7312 ie[4] == 0xf2 &&
7313 ie[5] == 0x01) {
7314 iwe.cmd = IWEVGENIE;
7315 /* 64 is an arbitrary cut-off */
7316 iwe.u.data.length = min(ie[1] + 2,
7317 64);
7318 current_ev = iwe_stream_add_point(
7319 info, current_ev,
7320 end_buf, &iwe, ie);
7321 }
7322 break;
7323
7324 case WLAN_EID_RSN:
7325 iwe.cmd = IWEVGENIE;
7326 /* 64 is an arbitrary cut-off */
7327 iwe.u.data.length = min(ie[1] + 2, 64);
7328 current_ev = iwe_stream_add_point(
7329 info, current_ev, end_buf,
7330 &iwe, ie);
7331 break;
7332
7333 default:
7334 break;
7335 }
7336
7337 length -= 2 + ie[1];
7338 ie += 2 + ie[1];
7339 }
7340 }
7341 return current_ev;
7342 }
7343
7344 /*------------------------------------------------------------------*/
7345 /*
7346 * Wireless Handler : Read Scan Results
7347 */
7348 static int airo_get_scan(struct net_device *dev,
7349 struct iw_request_info *info,
7350 struct iw_point *dwrq,
7351 char *extra)
7352 {
7353 struct airo_info *ai = dev->ml_priv;
7354 BSSListElement *net;
7355 int err = 0;
7356 char *current_ev = extra;
7357
7358 /* If a scan is in-progress, return -EAGAIN */
7359 if (ai->scan_timeout > 0)
7360 return -EAGAIN;
7361
7362 if (down_interruptible(&ai->sem))
7363 return -EAGAIN;
7364
7365 list_for_each_entry (net, &ai->network_list, list) {
7366 /* Translate to WE format this entry */
7367 current_ev = airo_translate_scan(dev, info, current_ev,
7368 extra + dwrq->length,
7369 &net->bss);
7370
7371 /* Check if there is space for one more entry */
7372 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7373 /* Ask user space to try again with a bigger buffer */
7374 err = -E2BIG;
7375 goto out;
7376 }
7377 }
7378
7379 /* Length of data */
7380 dwrq->length = (current_ev - extra);
7381 dwrq->flags = 0; /* todo */
7382
7383 out:
7384 up(&ai->sem);
7385 return err;
7386 }
7387
7388 /*------------------------------------------------------------------*/
7389 /*
7390 * Commit handler : called after a bunch of SET operations
7391 */
7392 static int airo_config_commit(struct net_device *dev,
7393 struct iw_request_info *info, /* NULL */
7394 void *zwrq, /* NULL */
7395 char *extra) /* NULL */
7396 {
7397 struct airo_info *local = dev->ml_priv;
7398
7399 if (!test_bit (FLAG_COMMIT, &local->flags))
7400 return 0;
7401
7402 /* Some of the "SET" function may have modified some of the
7403 * parameters. It's now time to commit them in the card */
7404 disable_MAC(local, 1);
7405 if (test_bit (FLAG_RESET, &local->flags)) {
7406 APListRid APList_rid;
7407 SsidRid SSID_rid;
7408
7409 readAPListRid(local, &APList_rid);
7410 readSsidRid(local, &SSID_rid);
7411 if (test_bit(FLAG_MPI,&local->flags))
7412 setup_card(local, dev->dev_addr, 1 );
7413 else
7414 reset_airo_card(dev);
7415 disable_MAC(local, 1);
7416 writeSsidRid(local, &SSID_rid, 1);
7417 writeAPListRid(local, &APList_rid, 1);
7418 }
7419 if (down_interruptible(&local->sem))
7420 return -ERESTARTSYS;
7421 writeConfigRid(local, 0);
7422 enable_MAC(local, 0);
7423 if (test_bit (FLAG_RESET, &local->flags))
7424 airo_set_promisc(local);
7425 else
7426 up(&local->sem);
7427
7428 return 0;
7429 }
7430
7431 /*------------------------------------------------------------------*/
7432 /*
7433 * Structures to export the Wireless Handlers
7434 */
7435
7436 static const struct iw_priv_args airo_private_args[] = {
7437 /*{ cmd, set_args, get_args, name } */
7438 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7439 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7440 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7441 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7442 };
7443
7444 static const iw_handler airo_handler[] =
7445 {
7446 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7447 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7448 (iw_handler) NULL, /* SIOCSIWNWID */
7449 (iw_handler) NULL, /* SIOCGIWNWID */
7450 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7451 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7452 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7453 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7454 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7455 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7456 (iw_handler) NULL, /* SIOCSIWRANGE */
7457 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7458 (iw_handler) NULL, /* SIOCSIWPRIV */
7459 (iw_handler) NULL, /* SIOCGIWPRIV */
7460 (iw_handler) NULL, /* SIOCSIWSTATS */
7461 (iw_handler) NULL, /* SIOCGIWSTATS */
7462 iw_handler_set_spy, /* SIOCSIWSPY */
7463 iw_handler_get_spy, /* SIOCGIWSPY */
7464 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7465 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7466 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7467 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7468 (iw_handler) NULL, /* -- hole -- */
7469 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7470 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7471 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7472 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7473 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7474 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7475 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7476 (iw_handler) NULL, /* -- hole -- */
7477 (iw_handler) NULL, /* -- hole -- */
7478 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7479 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7480 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7481 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7482 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7483 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7484 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7485 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7486 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7487 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7488 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7489 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7490 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7491 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7492 (iw_handler) NULL, /* -- hole -- */
7493 (iw_handler) NULL, /* -- hole -- */
7494 (iw_handler) NULL, /* SIOCSIWGENIE */
7495 (iw_handler) NULL, /* SIOCGIWGENIE */
7496 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7497 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7498 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7499 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7500 (iw_handler) NULL, /* SIOCSIWPMKSA */
7501 };
7502
7503 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7504 * We want to force the use of the ioctl code, because those can't be
7505 * won't work the iw_handler code (because they simultaneously read
7506 * and write data and iw_handler can't do that).
7507 * Note that it's perfectly legal to read/write on a single ioctl command,
7508 * you just can't use iwpriv and need to force it via the ioctl handler.
7509 * Jean II */
7510 static const iw_handler airo_private_handler[] =
7511 {
7512 NULL, /* SIOCIWFIRSTPRIV */
7513 };
7514
7515 static const struct iw_handler_def airo_handler_def =
7516 {
7517 .num_standard = ARRAY_SIZE(airo_handler),
7518 .num_private = ARRAY_SIZE(airo_private_handler),
7519 .num_private_args = ARRAY_SIZE(airo_private_args),
7520 .standard = airo_handler,
7521 .private = airo_private_handler,
7522 .private_args = airo_private_args,
7523 .get_wireless_stats = airo_get_wireless_stats,
7524 };
7525
7526 /*
7527 * This defines the configuration part of the Wireless Extensions
7528 * Note : irq and spinlock protection will occur in the subroutines
7529 *
7530 * TODO :
7531 * o Check input value more carefully and fill correct values in range
7532 * o Test and shakeout the bugs (if any)
7533 *
7534 * Jean II
7535 *
7536 * Javier Achirica did a great job of merging code from the unnamed CISCO
7537 * developer that added support for flashing the card.
7538 */
7539 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7540 {
7541 int rc = 0;
7542 struct airo_info *ai = dev->ml_priv;
7543
7544 if (ai->power.event)
7545 return 0;
7546
7547 switch (cmd) {
7548 #ifdef CISCO_EXT
7549 case AIROIDIFC:
7550 #ifdef AIROOLDIDIFC
7551 case AIROOLDIDIFC:
7552 #endif
7553 {
7554 int val = AIROMAGIC;
7555 aironet_ioctl com;
7556 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7557 rc = -EFAULT;
7558 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7559 rc = -EFAULT;
7560 }
7561 break;
7562
7563 case AIROIOCTL:
7564 #ifdef AIROOLDIOCTL
7565 case AIROOLDIOCTL:
7566 #endif
7567 /* Get the command struct and hand it off for evaluation by
7568 * the proper subfunction
7569 */
7570 {
7571 aironet_ioctl com;
7572 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7573 rc = -EFAULT;
7574 break;
7575 }
7576
7577 /* Separate R/W functions bracket legality here
7578 */
7579 if ( com.command == AIRORSWVERSION ) {
7580 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7581 rc = -EFAULT;
7582 else
7583 rc = 0;
7584 }
7585 else if ( com.command <= AIRORRID)
7586 rc = readrids(dev,&com);
7587 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7588 rc = writerids(dev,&com);
7589 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7590 rc = flashcard(dev,&com);
7591 else
7592 rc = -EINVAL; /* Bad command in ioctl */
7593 }
7594 break;
7595 #endif /* CISCO_EXT */
7596
7597 // All other calls are currently unsupported
7598 default:
7599 rc = -EOPNOTSUPP;
7600 }
7601 return rc;
7602 }
7603
7604 /*
7605 * Get the Wireless stats out of the driver
7606 * Note : irq and spinlock protection will occur in the subroutines
7607 *
7608 * TODO :
7609 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7610 *
7611 * Jean
7612 */
7613 static void airo_read_wireless_stats(struct airo_info *local)
7614 {
7615 StatusRid status_rid;
7616 StatsRid stats_rid;
7617 CapabilityRid cap_rid;
7618 __le32 *vals = stats_rid.vals;
7619
7620 /* Get stats out of the card */
7621 clear_bit(JOB_WSTATS, &local->jobs);
7622 if (local->power.event) {
7623 up(&local->sem);
7624 return;
7625 }
7626 readCapabilityRid(local, &cap_rid, 0);
7627 readStatusRid(local, &status_rid, 0);
7628 readStatsRid(local, &stats_rid, RID_STATS, 0);
7629 up(&local->sem);
7630
7631 /* The status */
7632 local->wstats.status = le16_to_cpu(status_rid.mode);
7633
7634 /* Signal quality and co */
7635 if (local->rssi) {
7636 local->wstats.qual.level =
7637 airo_rssi_to_dbm(local->rssi,
7638 le16_to_cpu(status_rid.sigQuality));
7639 /* normalizedSignalStrength appears to be a percentage */
7640 local->wstats.qual.qual =
7641 le16_to_cpu(status_rid.normalizedSignalStrength);
7642 } else {
7643 local->wstats.qual.level =
7644 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7645 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7646 }
7647 if (le16_to_cpu(status_rid.len) >= 124) {
7648 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7649 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7650 } else {
7651 local->wstats.qual.noise = 0;
7652 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7653 }
7654
7655 /* Packets discarded in the wireless adapter due to wireless
7656 * specific problems */
7657 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7658 le32_to_cpu(vals[57]) +
7659 le32_to_cpu(vals[58]); /* SSID Mismatch */
7660 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7661 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7662 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7663 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7664 le32_to_cpu(vals[32]);
7665 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7666 }
7667
7668 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7669 {
7670 struct airo_info *local = dev->ml_priv;
7671
7672 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7673 /* Get stats out of the card if available */
7674 if (down_trylock(&local->sem) != 0) {
7675 set_bit(JOB_WSTATS, &local->jobs);
7676 wake_up_interruptible(&local->thr_wait);
7677 } else
7678 airo_read_wireless_stats(local);
7679 }
7680
7681 return &local->wstats;
7682 }
7683
7684 #ifdef CISCO_EXT
7685 /*
7686 * This just translates from driver IOCTL codes to the command codes to
7687 * feed to the radio's host interface. Things can be added/deleted
7688 * as needed. This represents the READ side of control I/O to
7689 * the card
7690 */
7691 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7692 unsigned short ridcode;
7693 unsigned char *iobuf;
7694 int len;
7695 struct airo_info *ai = dev->ml_priv;
7696
7697 if (test_bit(FLAG_FLASHING, &ai->flags))
7698 return -EIO;
7699
7700 switch(comp->command)
7701 {
7702 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7703 case AIROGCFG: ridcode = RID_CONFIG;
7704 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7705 disable_MAC (ai, 1);
7706 writeConfigRid (ai, 1);
7707 enable_MAC(ai, 1);
7708 }
7709 break;
7710 case AIROGSLIST: ridcode = RID_SSID; break;
7711 case AIROGVLIST: ridcode = RID_APLIST; break;
7712 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7713 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7714 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7715 /* Only super-user can read WEP keys */
7716 if (!capable(CAP_NET_ADMIN))
7717 return -EPERM;
7718 break;
7719 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7720 /* Only super-user can read WEP keys */
7721 if (!capable(CAP_NET_ADMIN))
7722 return -EPERM;
7723 break;
7724 case AIROGSTAT: ridcode = RID_STATUS; break;
7725 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7726 case AIROGSTATSC32: ridcode = RID_STATS; break;
7727 case AIROGMICSTATS:
7728 if (copy_to_user(comp->data, &ai->micstats,
7729 min((int)comp->len,(int)sizeof(ai->micstats))))
7730 return -EFAULT;
7731 return 0;
7732 case AIRORRID: ridcode = comp->ridnum; break;
7733 default:
7734 return -EINVAL;
7735 break;
7736 }
7737
7738 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7739 return -ENOMEM;
7740
7741 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7742 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7743 * then return it to the user
7744 * 9/22/2000 Honor user given length
7745 */
7746 len = comp->len;
7747
7748 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7749 kfree (iobuf);
7750 return -EFAULT;
7751 }
7752 kfree (iobuf);
7753 return 0;
7754 }
7755
7756 /*
7757 * Danger Will Robinson write the rids here
7758 */
7759
7760 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7761 struct airo_info *ai = dev->ml_priv;
7762 int ridcode;
7763 int enabled;
7764 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7765 unsigned char *iobuf;
7766
7767 /* Only super-user can write RIDs */
7768 if (!capable(CAP_NET_ADMIN))
7769 return -EPERM;
7770
7771 if (test_bit(FLAG_FLASHING, &ai->flags))
7772 return -EIO;
7773
7774 ridcode = 0;
7775 writer = do_writerid;
7776
7777 switch(comp->command)
7778 {
7779 case AIROPSIDS: ridcode = RID_SSID; break;
7780 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7781 case AIROPAPLIST: ridcode = RID_APLIST; break;
7782 case AIROPCFG: ai->config.len = 0;
7783 clear_bit(FLAG_COMMIT, &ai->flags);
7784 ridcode = RID_CONFIG; break;
7785 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7786 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7787 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7788 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7789 break;
7790 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7791 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7792
7793 /* this is not really a rid but a command given to the card
7794 * same with MAC off
7795 */
7796 case AIROPMACON:
7797 if (enable_MAC(ai, 1) != 0)
7798 return -EIO;
7799 return 0;
7800
7801 /*
7802 * Evidently this code in the airo driver does not get a symbol
7803 * as disable_MAC. it's probably so short the compiler does not gen one.
7804 */
7805 case AIROPMACOFF:
7806 disable_MAC(ai, 1);
7807 return 0;
7808
7809 /* This command merely clears the counts does not actually store any data
7810 * only reads rid. But as it changes the cards state, I put it in the
7811 * writerid routines.
7812 */
7813 case AIROPSTCLR:
7814 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7815 return -ENOMEM;
7816
7817 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7818
7819 enabled = ai->micstats.enabled;
7820 memset(&ai->micstats,0,sizeof(ai->micstats));
7821 ai->micstats.enabled = enabled;
7822
7823 if (copy_to_user(comp->data, iobuf,
7824 min((int)comp->len, (int)RIDSIZE))) {
7825 kfree (iobuf);
7826 return -EFAULT;
7827 }
7828 kfree (iobuf);
7829 return 0;
7830
7831 default:
7832 return -EOPNOTSUPP; /* Blarg! */
7833 }
7834 if(comp->len > RIDSIZE)
7835 return -EINVAL;
7836
7837 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7838 return -ENOMEM;
7839
7840 if (copy_from_user(iobuf,comp->data,comp->len)) {
7841 kfree (iobuf);
7842 return -EFAULT;
7843 }
7844
7845 if (comp->command == AIROPCFG) {
7846 ConfigRid *cfg = (ConfigRid *)iobuf;
7847
7848 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7849 cfg->opmode |= MODE_MIC;
7850
7851 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7852 set_bit (FLAG_ADHOC, &ai->flags);
7853 else
7854 clear_bit (FLAG_ADHOC, &ai->flags);
7855 }
7856
7857 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7858 kfree (iobuf);
7859 return -EIO;
7860 }
7861 kfree (iobuf);
7862 return 0;
7863 }
7864
7865 /*****************************************************************************
7866 * Ancillary flash / mod functions much black magic lurkes here *
7867 *****************************************************************************
7868 */
7869
7870 /*
7871 * Flash command switch table
7872 */
7873
7874 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7875 int z;
7876
7877 /* Only super-user can modify flash */
7878 if (!capable(CAP_NET_ADMIN))
7879 return -EPERM;
7880
7881 switch(comp->command)
7882 {
7883 case AIROFLSHRST:
7884 return cmdreset((struct airo_info *)dev->ml_priv);
7885
7886 case AIROFLSHSTFL:
7887 if (!AIRO_FLASH(dev) &&
7888 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7889 return -ENOMEM;
7890 return setflashmode((struct airo_info *)dev->ml_priv);
7891
7892 case AIROFLSHGCHR: /* Get char from aux */
7893 if(comp->len != sizeof(int))
7894 return -EINVAL;
7895 if (copy_from_user(&z,comp->data,comp->len))
7896 return -EFAULT;
7897 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7898
7899 case AIROFLSHPCHR: /* Send char to card. */
7900 if(comp->len != sizeof(int))
7901 return -EINVAL;
7902 if (copy_from_user(&z,comp->data,comp->len))
7903 return -EFAULT;
7904 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7905
7906 case AIROFLPUTBUF: /* Send 32k to card */
7907 if (!AIRO_FLASH(dev))
7908 return -ENOMEM;
7909 if(comp->len > FLASHSIZE)
7910 return -EINVAL;
7911 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7912 return -EFAULT;
7913
7914 flashputbuf((struct airo_info *)dev->ml_priv);
7915 return 0;
7916
7917 case AIRORESTART:
7918 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
7919 return -EIO;
7920 return 0;
7921 }
7922 return -EINVAL;
7923 }
7924
7925 #define FLASH_COMMAND 0x7e7e
7926
7927 /*
7928 * STEP 1)
7929 * Disable MAC and do soft reset on
7930 * card.
7931 */
7932
7933 static int cmdreset(struct airo_info *ai) {
7934 disable_MAC(ai, 1);
7935
7936 if(!waitbusy (ai)){
7937 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7938 return -EBUSY;
7939 }
7940
7941 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7942
7943 ssleep(1); /* WAS 600 12/7/00 */
7944
7945 if(!waitbusy (ai)){
7946 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7947 return -EBUSY;
7948 }
7949 return 0;
7950 }
7951
7952 /* STEP 2)
7953 * Put the card in legendary flash
7954 * mode
7955 */
7956
7957 static int setflashmode (struct airo_info *ai) {
7958 set_bit (FLAG_FLASHING, &ai->flags);
7959
7960 OUT4500(ai, SWS0, FLASH_COMMAND);
7961 OUT4500(ai, SWS1, FLASH_COMMAND);
7962 if (probe) {
7963 OUT4500(ai, SWS0, FLASH_COMMAND);
7964 OUT4500(ai, COMMAND,0x10);
7965 } else {
7966 OUT4500(ai, SWS2, FLASH_COMMAND);
7967 OUT4500(ai, SWS3, FLASH_COMMAND);
7968 OUT4500(ai, COMMAND,0);
7969 }
7970 msleep(500); /* 500ms delay */
7971
7972 if(!waitbusy(ai)) {
7973 clear_bit (FLAG_FLASHING, &ai->flags);
7974 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7975 return -EIO;
7976 }
7977 return 0;
7978 }
7979
7980 /* Put character to SWS0 wait for dwelltime
7981 * x 50us for echo .
7982 */
7983
7984 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7985 int echo;
7986 int waittime;
7987
7988 byte |= 0x8000;
7989
7990 if(dwelltime == 0 )
7991 dwelltime = 200;
7992
7993 waittime=dwelltime;
7994
7995 /* Wait for busy bit d15 to go false indicating buffer empty */
7996 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7997 udelay (50);
7998 waittime -= 50;
7999 }
8000
8001 /* timeout for busy clear wait */
8002 if(waittime <= 0 ){
8003 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8004 return -EBUSY;
8005 }
8006
8007 /* Port is clear now write byte and wait for it to echo back */
8008 do {
8009 OUT4500(ai,SWS0,byte);
8010 udelay(50);
8011 dwelltime -= 50;
8012 echo = IN4500(ai,SWS1);
8013 } while (dwelltime >= 0 && echo != byte);
8014
8015 OUT4500(ai,SWS1,0);
8016
8017 return (echo == byte) ? 0 : -EIO;
8018 }
8019
8020 /*
8021 * Get a character from the card matching matchbyte
8022 * Step 3)
8023 */
8024 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8025 int rchar;
8026 unsigned char rbyte=0;
8027
8028 do {
8029 rchar = IN4500(ai,SWS1);
8030
8031 if(dwelltime && !(0x8000 & rchar)){
8032 dwelltime -= 10;
8033 mdelay(10);
8034 continue;
8035 }
8036 rbyte = 0xff & rchar;
8037
8038 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8039 OUT4500(ai,SWS1,0);
8040 return 0;
8041 }
8042 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8043 break;
8044 OUT4500(ai,SWS1,0);
8045
8046 }while(dwelltime > 0);
8047 return -EIO;
8048 }
8049
8050 /*
8051 * Transfer 32k of firmware data from user buffer to our buffer and
8052 * send to the card
8053 */
8054
8055 static int flashputbuf(struct airo_info *ai){
8056 int nwords;
8057
8058 /* Write stuff */
8059 if (test_bit(FLAG_MPI,&ai->flags))
8060 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8061 else {
8062 OUT4500(ai,AUXPAGE,0x100);
8063 OUT4500(ai,AUXOFF,0);
8064
8065 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8066 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8067 }
8068 }
8069 OUT4500(ai,SWS0,0x8000);
8070
8071 return 0;
8072 }
8073
8074 /*
8075 *
8076 */
8077 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8078 int i,status;
8079
8080 ssleep(1); /* Added 12/7/00 */
8081 clear_bit (FLAG_FLASHING, &ai->flags);
8082 if (test_bit(FLAG_MPI, &ai->flags)) {
8083 status = mpi_init_descriptors(ai);
8084 if (status != SUCCESS)
8085 return status;
8086 }
8087 status = setup_card(ai, dev->dev_addr, 1);
8088
8089 if (!test_bit(FLAG_MPI,&ai->flags))
8090 for( i = 0; i < MAX_FIDS; i++ ) {
8091 ai->fids[i] = transmit_allocate
8092 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8093 }
8094
8095 ssleep(1); /* Added 12/7/00 */
8096 return status;
8097 }
8098 #endif /* CISCO_EXT */
8099
8100 /*
8101 This program is free software; you can redistribute it and/or
8102 modify it under the terms of the GNU General Public License
8103 as published by the Free Software Foundation; either version 2
8104 of the License, or (at your option) any later version.
8105
8106 This program is distributed in the hope that it will be useful,
8107 but WITHOUT ANY WARRANTY; without even the implied warranty of
8108 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8109 GNU General Public License for more details.
8110
8111 In addition:
8112
8113 Redistribution and use in source and binary forms, with or without
8114 modification, are permitted provided that the following conditions
8115 are met:
8116
8117 1. Redistributions of source code must retain the above copyright
8118 notice, this list of conditions and the following disclaimer.
8119 2. Redistributions in binary form must reproduce the above copyright
8120 notice, this list of conditions and the following disclaimer in the
8121 documentation and/or other materials provided with the distribution.
8122 3. The name of the author may not be used to endorse or promote
8123 products derived from this software without specific prior written
8124 permission.
8125
8126 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8127 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8128 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8129 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8130 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8131 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8132 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8133 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8134 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8135 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8136 POSSIBILITY OF SUCH DAMAGE.
8137 */
8138
8139 module_init(airo_init_module);
8140 module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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