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Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6
[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 typedef struct {
985 unsigned int ctl: 15;
986 unsigned int rdy: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990 } RxFid;
991
992 /*
993 * Host receive descriptor
994 */
995 typedef struct {
996 unsigned char __iomem *card_ram_off; /* offset into card memory of the
997 desc */
998 RxFid rx_desc; /* card receive descriptor */
999 char *virtual_host_addr; /* virtual address of host receive
1000 buffer */
1001 int pending;
1002 } HostRxDesc;
1003
1004 /*
1005 * Host transmit descriptor
1006 */
1007 typedef struct {
1008 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1009 desc */
1010 TxFid tx_desc; /* card transmit descriptor */
1011 char *virtual_host_addr; /* virtual address of host receive
1012 buffer */
1013 int pending;
1014 } HostTxDesc;
1015
1016 /*
1017 * Host RID descriptor
1018 */
1019 typedef struct {
1020 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1021 descriptor */
1022 Rid rid_desc; /* card RID descriptor */
1023 char *virtual_host_addr; /* virtual address of host receive
1024 buffer */
1025 } HostRidDesc;
1026
1027 typedef struct {
1028 u16 sw0;
1029 u16 sw1;
1030 u16 status;
1031 u16 len;
1032 #define HOST_SET (1 << 0)
1033 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1034 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1035 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1036 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1037 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1038 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1039 #define HOST_RTS (1 << 9) /* Force RTS use */
1040 #define HOST_SHORT (1 << 10) /* Do short preamble */
1041 u16 ctl;
1042 u16 aid;
1043 u16 retries;
1044 u16 fill;
1045 } TxCtlHdr;
1046
1047 typedef struct {
1048 u16 ctl;
1049 u16 duration;
1050 char addr1[6];
1051 char addr2[6];
1052 char addr3[6];
1053 u16 seq;
1054 char addr4[6];
1055 } WifiHdr;
1056
1057
1058 typedef struct {
1059 TxCtlHdr ctlhdr;
1060 u16 fill1;
1061 u16 fill2;
1062 WifiHdr wifihdr;
1063 u16 gaplen;
1064 u16 status;
1065 } WifiCtlHdr;
1066
1067 static WifiCtlHdr wifictlhdr8023 = {
1068 .ctlhdr = {
1069 .ctl = HOST_DONT_RLSE,
1070 }
1071 };
1072
1073 // Frequency list (map channels to frequencies)
1074 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1075 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1076
1077 // A few details needed for WEP (Wireless Equivalent Privacy)
1078 #define MAX_KEY_SIZE 13 // 128 (?) bits
1079 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1080 typedef struct wep_key_t {
1081 u16 len;
1082 u8 key[16]; /* 40-bit and 104-bit keys */
1083 } wep_key_t;
1084
1085 /* Backward compatibility */
1086 #ifndef IW_ENCODE_NOKEY
1087 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1088 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1089 #endif /* IW_ENCODE_NOKEY */
1090
1091 /* List of Wireless Handlers (new API) */
1092 static const struct iw_handler_def airo_handler_def;
1093
1094 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1095
1096 struct airo_info;
1097
1098 static int get_dec_u16( char *buffer, int *start, int limit );
1099 static void OUT4500( struct airo_info *, u16 register, u16 value );
1100 static unsigned short IN4500( struct airo_info *, u16 register );
1101 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1102 static int enable_MAC(struct airo_info *ai, int lock);
1103 static void disable_MAC(struct airo_info *ai, int lock);
1104 static void enable_interrupts(struct airo_info*);
1105 static void disable_interrupts(struct airo_info*);
1106 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1107 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1108 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1109 int whichbap);
1110 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1111 int whichbap);
1112 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1113 int whichbap);
1114 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1115 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1116 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1117 *pBuf, int len, int lock);
1118 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1119 int len, int dummy );
1120 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1121 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1122 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1123
1124 static int mpi_send_packet (struct net_device *dev);
1125 static void mpi_unmap_card(struct pci_dev *pci);
1126 static void mpi_receive_802_3(struct airo_info *ai);
1127 static void mpi_receive_802_11(struct airo_info *ai);
1128 static int waitbusy (struct airo_info *ai);
1129
1130 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1131 static int airo_thread(void *data);
1132 static void timer_func( struct net_device *dev );
1133 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1134 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1135 static void airo_read_wireless_stats (struct airo_info *local);
1136 #ifdef CISCO_EXT
1137 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1138 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1139 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1140 #endif /* CISCO_EXT */
1141 static void micinit(struct airo_info *ai);
1142 static int micsetup(struct airo_info *ai);
1143 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1144 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1145
1146 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1147 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1148
1149 static void airo_networks_free(struct airo_info *ai);
1150
1151 struct airo_info {
1152 struct net_device *dev;
1153 struct list_head dev_list;
1154 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1155 use the high bit to mark whether it is in use. */
1156 #define MAX_FIDS 6
1157 #define MPI_MAX_FIDS 1
1158 int fids[MAX_FIDS];
1159 ConfigRid config;
1160 char keyindex; // Used with auto wep
1161 char defindex; // Used with auto wep
1162 struct proc_dir_entry *proc_entry;
1163 spinlock_t aux_lock;
1164 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1165 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1166 #define FLAG_RADIO_MASK 0x03
1167 #define FLAG_ENABLED 2
1168 #define FLAG_ADHOC 3 /* Needed by MIC */
1169 #define FLAG_MIC_CAPABLE 4
1170 #define FLAG_UPDATE_MULTI 5
1171 #define FLAG_UPDATE_UNI 6
1172 #define FLAG_802_11 7
1173 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1174 #define FLAG_PENDING_XMIT 9
1175 #define FLAG_PENDING_XMIT11 10
1176 #define FLAG_MPI 11
1177 #define FLAG_REGISTERED 12
1178 #define FLAG_COMMIT 13
1179 #define FLAG_RESET 14
1180 #define FLAG_FLASHING 15
1181 #define FLAG_WPA_CAPABLE 16
1182 unsigned long flags;
1183 #define JOB_DIE 0
1184 #define JOB_XMIT 1
1185 #define JOB_XMIT11 2
1186 #define JOB_STATS 3
1187 #define JOB_PROMISC 4
1188 #define JOB_MIC 5
1189 #define JOB_EVENT 6
1190 #define JOB_AUTOWEP 7
1191 #define JOB_WSTATS 8
1192 #define JOB_SCAN_RESULTS 9
1193 unsigned long jobs;
1194 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1195 int whichbap);
1196 unsigned short *flash;
1197 tdsRssiEntry *rssi;
1198 struct task_struct *list_bss_task;
1199 struct task_struct *airo_thread_task;
1200 struct semaphore sem;
1201 wait_queue_head_t thr_wait;
1202 unsigned long expires;
1203 struct {
1204 struct sk_buff *skb;
1205 int fid;
1206 } xmit, xmit11;
1207 struct net_device *wifidev;
1208 struct iw_statistics wstats; // wireless stats
1209 unsigned long scan_timeout; /* Time scan should be read */
1210 struct iw_spy_data spy_data;
1211 struct iw_public_data wireless_data;
1212 /* MIC stuff */
1213 struct crypto_cipher *tfm;
1214 mic_module mod[2];
1215 mic_statistics micstats;
1216 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1217 HostTxDesc txfids[MPI_MAX_FIDS];
1218 HostRidDesc config_desc;
1219 unsigned long ridbus; // phys addr of config_desc
1220 struct sk_buff_head txq;// tx queue used by mpi350 code
1221 struct pci_dev *pci;
1222 unsigned char __iomem *pcimem;
1223 unsigned char __iomem *pciaux;
1224 unsigned char *shared;
1225 dma_addr_t shared_dma;
1226 pm_message_t power;
1227 SsidRid *SSID;
1228 APListRid *APList;
1229 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1230 char proc_name[IFNAMSIZ];
1231
1232 /* WPA-related stuff */
1233 unsigned int bssListFirst;
1234 unsigned int bssListNext;
1235 unsigned int bssListRidLen;
1236
1237 struct list_head network_list;
1238 struct list_head network_free_list;
1239 BSSListElement *networks;
1240 };
1241
1242 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1243 int whichbap)
1244 {
1245 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1246 }
1247
1248 static int setup_proc_entry( struct net_device *dev,
1249 struct airo_info *apriv );
1250 static int takedown_proc_entry( struct net_device *dev,
1251 struct airo_info *apriv );
1252
1253 static int cmdreset(struct airo_info *ai);
1254 static int setflashmode (struct airo_info *ai);
1255 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1256 static int flashputbuf(struct airo_info *ai);
1257 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1258
1259 #define airo_print(type, name, fmt, args...) \
1260 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1261
1262 #define airo_print_info(name, fmt, args...) \
1263 airo_print(KERN_INFO, name, fmt, ##args)
1264
1265 #define airo_print_dbg(name, fmt, args...) \
1266 airo_print(KERN_DEBUG, name, fmt, ##args)
1267
1268 #define airo_print_warn(name, fmt, args...) \
1269 airo_print(KERN_WARNING, name, fmt, ##args)
1270
1271 #define airo_print_err(name, fmt, args...) \
1272 airo_print(KERN_ERR, name, fmt, ##args)
1273
1274 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1275
1276 /***********************************************************************
1277 * MIC ROUTINES *
1278 ***********************************************************************
1279 */
1280
1281 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1282 static void MoveWindow(miccntx *context, u32 micSeq);
1283 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1284 struct crypto_cipher *tfm);
1285 static void emmh32_init(emmh32_context *context);
1286 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1287 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1288 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1289
1290 /* micinit - Initialize mic seed */
1291
1292 static void micinit(struct airo_info *ai)
1293 {
1294 MICRid mic_rid;
1295
1296 clear_bit(JOB_MIC, &ai->jobs);
1297 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1298 up(&ai->sem);
1299
1300 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1301
1302 if (ai->micstats.enabled) {
1303 /* Key must be valid and different */
1304 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1305 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1306 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1307 /* Age current mic Context */
1308 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1309 /* Initialize new context */
1310 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1311 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1312 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1313 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1314 ai->mod[0].mCtx.valid = 1; //Key is now valid
1315
1316 /* Give key to mic seed */
1317 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1318 }
1319
1320 /* Key must be valid and different */
1321 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1322 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1323 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1324 /* Age current mic Context */
1325 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1326 /* Initialize new context */
1327 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1328
1329 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1330 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1331 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1332 ai->mod[0].uCtx.valid = 1; //Key is now valid
1333
1334 //Give key to mic seed
1335 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1336 }
1337 } else {
1338 /* So next time we have a valid key and mic is enabled, we will update
1339 * the sequence number if the key is the same as before.
1340 */
1341 ai->mod[0].uCtx.valid = 0;
1342 ai->mod[0].mCtx.valid = 0;
1343 }
1344 }
1345
1346 /* micsetup - Get ready for business */
1347
1348 static int micsetup(struct airo_info *ai) {
1349 int i;
1350
1351 if (ai->tfm == NULL)
1352 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1353
1354 if (IS_ERR(ai->tfm)) {
1355 airo_print_err(ai->dev->name, "failed to load transform for AES");
1356 ai->tfm = NULL;
1357 return ERROR;
1358 }
1359
1360 for (i=0; i < NUM_MODULES; i++) {
1361 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1362 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1363 }
1364 return SUCCESS;
1365 }
1366
1367 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1368
1369 /*===========================================================================
1370 * Description: Mic a packet
1371 *
1372 * Inputs: etherHead * pointer to an 802.3 frame
1373 *
1374 * Returns: BOOLEAN if successful, otherwise false.
1375 * PacketTxLen will be updated with the mic'd packets size.
1376 *
1377 * Caveats: It is assumed that the frame buffer will already
1378 * be big enough to hold the largets mic message possible.
1379 * (No memory allocation is done here).
1380 *
1381 * Author: sbraneky (10/15/01)
1382 * Merciless hacks by rwilcher (1/14/02)
1383 */
1384
1385 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1386 {
1387 miccntx *context;
1388
1389 // Determine correct context
1390 // If not adhoc, always use unicast key
1391
1392 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1393 context = &ai->mod[0].mCtx;
1394 else
1395 context = &ai->mod[0].uCtx;
1396
1397 if (!context->valid)
1398 return ERROR;
1399
1400 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1401
1402 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1403
1404 // Add Tx sequence
1405 mic->seq = htonl(context->tx);
1406 context->tx += 2;
1407
1408 emmh32_init(&context->seed); // Mic the packet
1409 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1410 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1411 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1412 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1413 emmh32_final(&context->seed, (u8*)&mic->mic);
1414
1415 /* New Type/length ?????????? */
1416 mic->typelen = 0; //Let NIC know it could be an oversized packet
1417 return SUCCESS;
1418 }
1419
1420 typedef enum {
1421 NONE,
1422 NOMIC,
1423 NOMICPLUMMED,
1424 SEQUENCE,
1425 INCORRECTMIC,
1426 } mic_error;
1427
1428 /*===========================================================================
1429 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1430 * (removes the MIC stuff) if packet is a valid packet.
1431 *
1432 * Inputs: etherHead pointer to the 802.3 packet
1433 *
1434 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1435 *
1436 * Author: sbraneky (10/15/01)
1437 * Merciless hacks by rwilcher (1/14/02)
1438 *---------------------------------------------------------------------------
1439 */
1440
1441 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1442 {
1443 int i;
1444 u32 micSEQ;
1445 miccntx *context;
1446 u8 digest[4];
1447 mic_error micError = NONE;
1448
1449 // Check if the packet is a Mic'd packet
1450
1451 if (!ai->micstats.enabled) {
1452 //No Mic set or Mic OFF but we received a MIC'd packet.
1453 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1454 ai->micstats.rxMICPlummed++;
1455 return ERROR;
1456 }
1457 return SUCCESS;
1458 }
1459
1460 if (ntohs(mic->typelen) == 0x888E)
1461 return SUCCESS;
1462
1463 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1464 // Mic enabled but packet isn't Mic'd
1465 ai->micstats.rxMICPlummed++;
1466 return ERROR;
1467 }
1468
1469 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1470
1471 //At this point we a have a mic'd packet and mic is enabled
1472 //Now do the mic error checking.
1473
1474 //Receive seq must be odd
1475 if ( (micSEQ & 1) == 0 ) {
1476 ai->micstats.rxWrongSequence++;
1477 return ERROR;
1478 }
1479
1480 for (i = 0; i < NUM_MODULES; i++) {
1481 int mcast = eth->da[0] & 1;
1482 //Determine proper context
1483 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1484
1485 //Make sure context is valid
1486 if (!context->valid) {
1487 if (i == 0)
1488 micError = NOMICPLUMMED;
1489 continue;
1490 }
1491 //DeMic it
1492
1493 if (!mic->typelen)
1494 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1495
1496 emmh32_init(&context->seed);
1497 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1498 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1499 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1500 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1501 //Calculate MIC
1502 emmh32_final(&context->seed, digest);
1503
1504 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1505 //Invalid Mic
1506 if (i == 0)
1507 micError = INCORRECTMIC;
1508 continue;
1509 }
1510
1511 //Check Sequence number if mics pass
1512 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1513 ai->micstats.rxSuccess++;
1514 return SUCCESS;
1515 }
1516 if (i == 0)
1517 micError = SEQUENCE;
1518 }
1519
1520 // Update statistics
1521 switch (micError) {
1522 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1523 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1524 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1525 case NONE: break;
1526 case NOMIC: break;
1527 }
1528 return ERROR;
1529 }
1530
1531 /*===========================================================================
1532 * Description: Checks the Rx Seq number to make sure it is valid
1533 * and hasn't already been received
1534 *
1535 * Inputs: miccntx - mic context to check seq against
1536 * micSeq - the Mic seq number
1537 *
1538 * Returns: TRUE if valid otherwise FALSE.
1539 *
1540 * Author: sbraneky (10/15/01)
1541 * Merciless hacks by rwilcher (1/14/02)
1542 *---------------------------------------------------------------------------
1543 */
1544
1545 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1546 {
1547 u32 seq,index;
1548
1549 //Allow for the ap being rebooted - if it is then use the next
1550 //sequence number of the current sequence number - might go backwards
1551
1552 if (mcast) {
1553 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1554 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1555 context->window = (micSeq > 33) ? micSeq : 33;
1556 context->rx = 0; // Reset rx
1557 }
1558 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1559 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1560 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1561 context->rx = 0; // Reset rx
1562 }
1563
1564 //Make sequence number relative to START of window
1565 seq = micSeq - (context->window - 33);
1566
1567 //Too old of a SEQ number to check.
1568 if ((s32)seq < 0)
1569 return ERROR;
1570
1571 if ( seq > 64 ) {
1572 //Window is infinite forward
1573 MoveWindow(context,micSeq);
1574 return SUCCESS;
1575 }
1576
1577 // We are in the window. Now check the context rx bit to see if it was already sent
1578 seq >>= 1; //divide by 2 because we only have odd numbers
1579 index = 1 << seq; //Get an index number
1580
1581 if (!(context->rx & index)) {
1582 //micSEQ falls inside the window.
1583 //Add seqence number to the list of received numbers.
1584 context->rx |= index;
1585
1586 MoveWindow(context,micSeq);
1587
1588 return SUCCESS;
1589 }
1590 return ERROR;
1591 }
1592
1593 static void MoveWindow(miccntx *context, u32 micSeq)
1594 {
1595 u32 shift;
1596
1597 //Move window if seq greater than the middle of the window
1598 if (micSeq > context->window) {
1599 shift = (micSeq - context->window) >> 1;
1600
1601 //Shift out old
1602 if (shift < 32)
1603 context->rx >>= shift;
1604 else
1605 context->rx = 0;
1606
1607 context->window = micSeq; //Move window
1608 }
1609 }
1610
1611 /*==============================================*/
1612 /*========== EMMH ROUTINES ====================*/
1613 /*==============================================*/
1614
1615 /* mic accumulate */
1616 #define MIC_ACCUM(val) \
1617 context->accum += (u64)(val) * context->coeff[coeff_position++];
1618
1619 static unsigned char aes_counter[16];
1620
1621 /* expand the key to fill the MMH coefficient array */
1622 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1623 struct crypto_cipher *tfm)
1624 {
1625 /* take the keying material, expand if necessary, truncate at 16-bytes */
1626 /* run through AES counter mode to generate context->coeff[] */
1627
1628 int i,j;
1629 u32 counter;
1630 u8 *cipher, plain[16];
1631
1632 crypto_cipher_setkey(tfm, pkey, 16);
1633 counter = 0;
1634 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1635 aes_counter[15] = (u8)(counter >> 0);
1636 aes_counter[14] = (u8)(counter >> 8);
1637 aes_counter[13] = (u8)(counter >> 16);
1638 aes_counter[12] = (u8)(counter >> 24);
1639 counter++;
1640 memcpy (plain, aes_counter, 16);
1641 crypto_cipher_encrypt_one(tfm, plain, plain);
1642 cipher = plain;
1643 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1644 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1645 j += 4;
1646 }
1647 }
1648 }
1649
1650 /* prepare for calculation of a new mic */
1651 static void emmh32_init(emmh32_context *context)
1652 {
1653 /* prepare for new mic calculation */
1654 context->accum = 0;
1655 context->position = 0;
1656 }
1657
1658 /* add some bytes to the mic calculation */
1659 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1660 {
1661 int coeff_position, byte_position;
1662
1663 if (len == 0) return;
1664
1665 coeff_position = context->position >> 2;
1666
1667 /* deal with partial 32-bit word left over from last update */
1668 byte_position = context->position & 3;
1669 if (byte_position) {
1670 /* have a partial word in part to deal with */
1671 do {
1672 if (len == 0) return;
1673 context->part.d8[byte_position++] = *pOctets++;
1674 context->position++;
1675 len--;
1676 } while (byte_position < 4);
1677 MIC_ACCUM(ntohl(context->part.d32));
1678 }
1679
1680 /* deal with full 32-bit words */
1681 while (len >= 4) {
1682 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1683 context->position += 4;
1684 pOctets += 4;
1685 len -= 4;
1686 }
1687
1688 /* deal with partial 32-bit word that will be left over from this update */
1689 byte_position = 0;
1690 while (len > 0) {
1691 context->part.d8[byte_position++] = *pOctets++;
1692 context->position++;
1693 len--;
1694 }
1695 }
1696
1697 /* mask used to zero empty bytes for final partial word */
1698 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1699
1700 /* calculate the mic */
1701 static void emmh32_final(emmh32_context *context, u8 digest[4])
1702 {
1703 int coeff_position, byte_position;
1704 u32 val;
1705
1706 u64 sum, utmp;
1707 s64 stmp;
1708
1709 coeff_position = context->position >> 2;
1710
1711 /* deal with partial 32-bit word left over from last update */
1712 byte_position = context->position & 3;
1713 if (byte_position) {
1714 /* have a partial word in part to deal with */
1715 val = ntohl(context->part.d32);
1716 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1717 }
1718
1719 /* reduce the accumulated u64 to a 32-bit MIC */
1720 sum = context->accum;
1721 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1722 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1723 sum = utmp & 0xffffffffLL;
1724 if (utmp > 0x10000000fLL)
1725 sum -= 15;
1726
1727 val = (u32)sum;
1728 digest[0] = (val>>24) & 0xFF;
1729 digest[1] = (val>>16) & 0xFF;
1730 digest[2] = (val>>8) & 0xFF;
1731 digest[3] = val & 0xFF;
1732 }
1733
1734 static int readBSSListRid(struct airo_info *ai, int first,
1735 BSSListRid *list)
1736 {
1737 Cmd cmd;
1738 Resp rsp;
1739
1740 if (first == 1) {
1741 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1742 memset(&cmd, 0, sizeof(cmd));
1743 cmd.cmd=CMD_LISTBSS;
1744 if (down_interruptible(&ai->sem))
1745 return -ERESTARTSYS;
1746 ai->list_bss_task = current;
1747 issuecommand(ai, &cmd, &rsp);
1748 up(&ai->sem);
1749 /* Let the command take effect */
1750 schedule_timeout_uninterruptible(3 * HZ);
1751 ai->list_bss_task = NULL;
1752 }
1753 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1754 list, ai->bssListRidLen, 1);
1755 }
1756
1757 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1758 {
1759 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1760 wkr, sizeof(*wkr), lock);
1761 }
1762
1763 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1764 {
1765 int rc;
1766 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1767 if (rc!=SUCCESS)
1768 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1769 if (perm) {
1770 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1771 if (rc!=SUCCESS)
1772 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1773 }
1774 return rc;
1775 }
1776
1777 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1778 {
1779 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1780 }
1781
1782 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1783 {
1784 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1785 }
1786
1787 static int readConfigRid(struct airo_info *ai, int lock)
1788 {
1789 int rc;
1790 ConfigRid cfg;
1791
1792 if (ai->config.len)
1793 return SUCCESS;
1794
1795 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1796 if (rc != SUCCESS)
1797 return rc;
1798
1799 ai->config = cfg;
1800 return SUCCESS;
1801 }
1802
1803 static inline void checkThrottle(struct airo_info *ai)
1804 {
1805 int i;
1806 /* Old hardware had a limit on encryption speed */
1807 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1808 for(i=0; i<8; i++) {
1809 if (ai->config.rates[i] > maxencrypt) {
1810 ai->config.rates[i] = 0;
1811 }
1812 }
1813 }
1814 }
1815
1816 static int writeConfigRid(struct airo_info *ai, int lock)
1817 {
1818 ConfigRid cfgr;
1819
1820 if (!test_bit (FLAG_COMMIT, &ai->flags))
1821 return SUCCESS;
1822
1823 clear_bit (FLAG_COMMIT, &ai->flags);
1824 clear_bit (FLAG_RESET, &ai->flags);
1825 checkThrottle(ai);
1826 cfgr = ai->config;
1827
1828 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1829 set_bit(FLAG_ADHOC, &ai->flags);
1830 else
1831 clear_bit(FLAG_ADHOC, &ai->flags);
1832
1833 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1834 }
1835
1836 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1837 {
1838 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1839 }
1840
1841 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1842 {
1843 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1844 }
1845
1846 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1847 {
1848 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1849 }
1850
1851 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1852 {
1853 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1854 }
1855
1856 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1857 {
1858 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1859 }
1860
1861 static void try_auto_wep(struct airo_info *ai)
1862 {
1863 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1864 ai->expires = RUN_AT(3*HZ);
1865 wake_up_interruptible(&ai->thr_wait);
1866 }
1867 }
1868
1869 static int airo_open(struct net_device *dev) {
1870 struct airo_info *ai = dev->ml_priv;
1871 int rc = 0;
1872
1873 if (test_bit(FLAG_FLASHING, &ai->flags))
1874 return -EIO;
1875
1876 /* Make sure the card is configured.
1877 * Wireless Extensions may postpone config changes until the card
1878 * is open (to pipeline changes and speed-up card setup). If
1879 * those changes are not yet commited, do it now - Jean II */
1880 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1881 disable_MAC(ai, 1);
1882 writeConfigRid(ai, 1);
1883 }
1884
1885 if (ai->wifidev != dev) {
1886 clear_bit(JOB_DIE, &ai->jobs);
1887 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1888 if (IS_ERR(ai->airo_thread_task))
1889 return (int)PTR_ERR(ai->airo_thread_task);
1890
1891 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1892 dev->name, dev);
1893 if (rc) {
1894 airo_print_err(dev->name,
1895 "register interrupt %d failed, rc %d",
1896 dev->irq, rc);
1897 set_bit(JOB_DIE, &ai->jobs);
1898 kthread_stop(ai->airo_thread_task);
1899 return rc;
1900 }
1901
1902 /* Power on the MAC controller (which may have been disabled) */
1903 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1904 enable_interrupts(ai);
1905
1906 try_auto_wep(ai);
1907 }
1908 enable_MAC(ai, 1);
1909
1910 netif_start_queue(dev);
1911 return 0;
1912 }
1913
1914 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1915 int npacks, pending;
1916 unsigned long flags;
1917 struct airo_info *ai = dev->ml_priv;
1918
1919 if (!skb) {
1920 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1921 return 0;
1922 }
1923 npacks = skb_queue_len (&ai->txq);
1924
1925 if (npacks >= MAXTXQ - 1) {
1926 netif_stop_queue (dev);
1927 if (npacks > MAXTXQ) {
1928 dev->stats.tx_fifo_errors++;
1929 return 1;
1930 }
1931 skb_queue_tail (&ai->txq, skb);
1932 return 0;
1933 }
1934
1935 spin_lock_irqsave(&ai->aux_lock, flags);
1936 skb_queue_tail (&ai->txq, skb);
1937 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1938 spin_unlock_irqrestore(&ai->aux_lock,flags);
1939 netif_wake_queue (dev);
1940
1941 if (pending == 0) {
1942 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1943 mpi_send_packet (dev);
1944 }
1945 return 0;
1946 }
1947
1948 /*
1949 * @mpi_send_packet
1950 *
1951 * Attempt to transmit a packet. Can be called from interrupt
1952 * or transmit . return number of packets we tried to send
1953 */
1954
1955 static int mpi_send_packet (struct net_device *dev)
1956 {
1957 struct sk_buff *skb;
1958 unsigned char *buffer;
1959 s16 len;
1960 __le16 *payloadLen;
1961 struct airo_info *ai = dev->ml_priv;
1962 u8 *sendbuf;
1963
1964 /* get a packet to send */
1965
1966 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1967 airo_print_err(dev->name,
1968 "%s: Dequeue'd zero in send_packet()",
1969 __func__);
1970 return 0;
1971 }
1972
1973 /* check min length*/
1974 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1975 buffer = skb->data;
1976
1977 ai->txfids[0].tx_desc.offset = 0;
1978 ai->txfids[0].tx_desc.valid = 1;
1979 ai->txfids[0].tx_desc.eoc = 1;
1980 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1981
1982 /*
1983 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1984 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1985 * is immediatly after it. ------------------------------------------------
1986 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1987 * ------------------------------------------------
1988 */
1989
1990 memcpy((char *)ai->txfids[0].virtual_host_addr,
1991 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1992
1993 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1994 sizeof(wifictlhdr8023));
1995 sendbuf = ai->txfids[0].virtual_host_addr +
1996 sizeof(wifictlhdr8023) + 2 ;
1997
1998 /*
1999 * Firmware automaticly puts 802 header on so
2000 * we don't need to account for it in the length
2001 */
2002 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2003 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2004 MICBuffer pMic;
2005
2006 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2007 return ERROR;
2008
2009 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2010 ai->txfids[0].tx_desc.len += sizeof(pMic);
2011 /* copy data into airo dma buffer */
2012 memcpy (sendbuf, buffer, sizeof(etherHead));
2013 buffer += sizeof(etherHead);
2014 sendbuf += sizeof(etherHead);
2015 memcpy (sendbuf, &pMic, sizeof(pMic));
2016 sendbuf += sizeof(pMic);
2017 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2018 } else {
2019 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2020
2021 dev->trans_start = jiffies;
2022
2023 /* copy data into airo dma buffer */
2024 memcpy(sendbuf, buffer, len);
2025 }
2026
2027 memcpy_toio(ai->txfids[0].card_ram_off,
2028 &ai->txfids[0].tx_desc, sizeof(TxFid));
2029
2030 OUT4500(ai, EVACK, 8);
2031
2032 dev_kfree_skb_any(skb);
2033 return 1;
2034 }
2035
2036 static void get_tx_error(struct airo_info *ai, s32 fid)
2037 {
2038 __le16 status;
2039
2040 if (fid < 0)
2041 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2042 else {
2043 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2044 return;
2045 bap_read(ai, &status, 2, BAP0);
2046 }
2047 if (le16_to_cpu(status) & 2) /* Too many retries */
2048 ai->dev->stats.tx_aborted_errors++;
2049 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2050 ai->dev->stats.tx_heartbeat_errors++;
2051 if (le16_to_cpu(status) & 8) /* Aid fail */
2052 { }
2053 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2054 ai->dev->stats.tx_carrier_errors++;
2055 if (le16_to_cpu(status) & 0x20) /* Association lost */
2056 { }
2057 /* We produce a TXDROP event only for retry or lifetime
2058 * exceeded, because that's the only status that really mean
2059 * that this particular node went away.
2060 * Other errors means that *we* screwed up. - Jean II */
2061 if ((le16_to_cpu(status) & 2) ||
2062 (le16_to_cpu(status) & 4)) {
2063 union iwreq_data wrqu;
2064 char junk[0x18];
2065
2066 /* Faster to skip over useless data than to do
2067 * another bap_setup(). We are at offset 0x6 and
2068 * need to go to 0x18 and read 6 bytes - Jean II */
2069 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2070
2071 /* Copy 802.11 dest address.
2072 * We use the 802.11 header because the frame may
2073 * not be 802.3 or may be mangled...
2074 * In Ad-Hoc mode, it will be the node address.
2075 * In managed mode, it will be most likely the AP addr
2076 * User space will figure out how to convert it to
2077 * whatever it needs (IP address or else).
2078 * - Jean II */
2079 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2080 wrqu.addr.sa_family = ARPHRD_ETHER;
2081
2082 /* Send event to user space */
2083 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2084 }
2085 }
2086
2087 static void airo_end_xmit(struct net_device *dev) {
2088 u16 status;
2089 int i;
2090 struct airo_info *priv = dev->ml_priv;
2091 struct sk_buff *skb = priv->xmit.skb;
2092 int fid = priv->xmit.fid;
2093 u32 *fids = priv->fids;
2094
2095 clear_bit(JOB_XMIT, &priv->jobs);
2096 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2097 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2098 up(&priv->sem);
2099
2100 i = 0;
2101 if ( status == SUCCESS ) {
2102 dev->trans_start = jiffies;
2103 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2104 } else {
2105 priv->fids[fid] &= 0xffff;
2106 dev->stats.tx_window_errors++;
2107 }
2108 if (i < MAX_FIDS / 2)
2109 netif_wake_queue(dev);
2110 dev_kfree_skb(skb);
2111 }
2112
2113 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2114 s16 len;
2115 int i, j;
2116 struct airo_info *priv = dev->ml_priv;
2117 u32 *fids = priv->fids;
2118
2119 if ( skb == NULL ) {
2120 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2121 return 0;
2122 }
2123
2124 /* Find a vacant FID */
2125 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2126 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2127
2128 if ( j >= MAX_FIDS / 2 ) {
2129 netif_stop_queue(dev);
2130
2131 if (i == MAX_FIDS / 2) {
2132 dev->stats.tx_fifo_errors++;
2133 return 1;
2134 }
2135 }
2136 /* check min length*/
2137 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2138 /* Mark fid as used & save length for later */
2139 fids[i] |= (len << 16);
2140 priv->xmit.skb = skb;
2141 priv->xmit.fid = i;
2142 if (down_trylock(&priv->sem) != 0) {
2143 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2144 netif_stop_queue(dev);
2145 set_bit(JOB_XMIT, &priv->jobs);
2146 wake_up_interruptible(&priv->thr_wait);
2147 } else
2148 airo_end_xmit(dev);
2149 return 0;
2150 }
2151
2152 static void airo_end_xmit11(struct net_device *dev) {
2153 u16 status;
2154 int i;
2155 struct airo_info *priv = dev->ml_priv;
2156 struct sk_buff *skb = priv->xmit11.skb;
2157 int fid = priv->xmit11.fid;
2158 u32 *fids = priv->fids;
2159
2160 clear_bit(JOB_XMIT11, &priv->jobs);
2161 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2162 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2163 up(&priv->sem);
2164
2165 i = MAX_FIDS / 2;
2166 if ( status == SUCCESS ) {
2167 dev->trans_start = jiffies;
2168 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2169 } else {
2170 priv->fids[fid] &= 0xffff;
2171 dev->stats.tx_window_errors++;
2172 }
2173 if (i < MAX_FIDS)
2174 netif_wake_queue(dev);
2175 dev_kfree_skb(skb);
2176 }
2177
2178 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2179 s16 len;
2180 int i, j;
2181 struct airo_info *priv = dev->ml_priv;
2182 u32 *fids = priv->fids;
2183
2184 if (test_bit(FLAG_MPI, &priv->flags)) {
2185 /* Not implemented yet for MPI350 */
2186 netif_stop_queue(dev);
2187 return -ENETDOWN;
2188 }
2189
2190 if ( skb == NULL ) {
2191 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2192 return 0;
2193 }
2194
2195 /* Find a vacant FID */
2196 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2197 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2198
2199 if ( j >= MAX_FIDS ) {
2200 netif_stop_queue(dev);
2201
2202 if (i == MAX_FIDS) {
2203 dev->stats.tx_fifo_errors++;
2204 return 1;
2205 }
2206 }
2207 /* check min length*/
2208 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2209 /* Mark fid as used & save length for later */
2210 fids[i] |= (len << 16);
2211 priv->xmit11.skb = skb;
2212 priv->xmit11.fid = i;
2213 if (down_trylock(&priv->sem) != 0) {
2214 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2215 netif_stop_queue(dev);
2216 set_bit(JOB_XMIT11, &priv->jobs);
2217 wake_up_interruptible(&priv->thr_wait);
2218 } else
2219 airo_end_xmit11(dev);
2220 return 0;
2221 }
2222
2223 static void airo_read_stats(struct net_device *dev)
2224 {
2225 struct airo_info *ai = dev->ml_priv;
2226 StatsRid stats_rid;
2227 __le32 *vals = stats_rid.vals;
2228
2229 clear_bit(JOB_STATS, &ai->jobs);
2230 if (ai->power.event) {
2231 up(&ai->sem);
2232 return;
2233 }
2234 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2235 up(&ai->sem);
2236
2237 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2238 le32_to_cpu(vals[45]);
2239 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2240 le32_to_cpu(vals[41]);
2241 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2242 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2243 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2244 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2245 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2246 dev->stats.tx_fifo_errors;
2247 dev->stats.multicast = le32_to_cpu(vals[43]);
2248 dev->stats.collisions = le32_to_cpu(vals[89]);
2249
2250 /* detailed rx_errors: */
2251 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2252 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2253 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2254 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2255 }
2256
2257 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2258 {
2259 struct airo_info *local = dev->ml_priv;
2260
2261 if (!test_bit(JOB_STATS, &local->jobs)) {
2262 /* Get stats out of the card if available */
2263 if (down_trylock(&local->sem) != 0) {
2264 set_bit(JOB_STATS, &local->jobs);
2265 wake_up_interruptible(&local->thr_wait);
2266 } else
2267 airo_read_stats(dev);
2268 }
2269
2270 return &dev->stats;
2271 }
2272
2273 static void airo_set_promisc(struct airo_info *ai) {
2274 Cmd cmd;
2275 Resp rsp;
2276
2277 memset(&cmd, 0, sizeof(cmd));
2278 cmd.cmd=CMD_SETMODE;
2279 clear_bit(JOB_PROMISC, &ai->jobs);
2280 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2281 issuecommand(ai, &cmd, &rsp);
2282 up(&ai->sem);
2283 }
2284
2285 static void airo_set_multicast_list(struct net_device *dev) {
2286 struct airo_info *ai = dev->ml_priv;
2287
2288 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2289 change_bit(FLAG_PROMISC, &ai->flags);
2290 if (down_trylock(&ai->sem) != 0) {
2291 set_bit(JOB_PROMISC, &ai->jobs);
2292 wake_up_interruptible(&ai->thr_wait);
2293 } else
2294 airo_set_promisc(ai);
2295 }
2296
2297 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2298 /* Turn on multicast. (Should be already setup...) */
2299 }
2300 }
2301
2302 static int airo_set_mac_address(struct net_device *dev, void *p)
2303 {
2304 struct airo_info *ai = dev->ml_priv;
2305 struct sockaddr *addr = p;
2306
2307 readConfigRid(ai, 1);
2308 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2309 set_bit (FLAG_COMMIT, &ai->flags);
2310 disable_MAC(ai, 1);
2311 writeConfigRid (ai, 1);
2312 enable_MAC(ai, 1);
2313 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2314 if (ai->wifidev)
2315 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2316 return 0;
2317 }
2318
2319 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2320 {
2321 if ((new_mtu < 68) || (new_mtu > 2400))
2322 return -EINVAL;
2323 dev->mtu = new_mtu;
2324 return 0;
2325 }
2326
2327 static LIST_HEAD(airo_devices);
2328
2329 static void add_airo_dev(struct airo_info *ai)
2330 {
2331 /* Upper layers already keep track of PCI devices,
2332 * so we only need to remember our non-PCI cards. */
2333 if (!ai->pci)
2334 list_add_tail(&ai->dev_list, &airo_devices);
2335 }
2336
2337 static void del_airo_dev(struct airo_info *ai)
2338 {
2339 if (!ai->pci)
2340 list_del(&ai->dev_list);
2341 }
2342
2343 static int airo_close(struct net_device *dev) {
2344 struct airo_info *ai = dev->ml_priv;
2345
2346 netif_stop_queue(dev);
2347
2348 if (ai->wifidev != dev) {
2349 #ifdef POWER_ON_DOWN
2350 /* Shut power to the card. The idea is that the user can save
2351 * power when he doesn't need the card with "ifconfig down".
2352 * That's the method that is most friendly towards the network
2353 * stack (i.e. the network stack won't try to broadcast
2354 * anything on the interface and routes are gone. Jean II */
2355 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2356 disable_MAC(ai, 1);
2357 #endif
2358 disable_interrupts( ai );
2359
2360 free_irq(dev->irq, dev);
2361
2362 set_bit(JOB_DIE, &ai->jobs);
2363 kthread_stop(ai->airo_thread_task);
2364 }
2365 return 0;
2366 }
2367
2368 void stop_airo_card( struct net_device *dev, int freeres )
2369 {
2370 struct airo_info *ai = dev->ml_priv;
2371
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374 disable_interrupts(ai);
2375 takedown_proc_entry( dev, ai );
2376 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2377 unregister_netdev( dev );
2378 if (ai->wifidev) {
2379 unregister_netdev(ai->wifidev);
2380 free_netdev(ai->wifidev);
2381 ai->wifidev = NULL;
2382 }
2383 clear_bit(FLAG_REGISTERED, &ai->flags);
2384 }
2385 /*
2386 * Clean out tx queue
2387 */
2388 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2389 struct sk_buff *skb = NULL;
2390 for (;(skb = skb_dequeue(&ai->txq));)
2391 dev_kfree_skb(skb);
2392 }
2393
2394 airo_networks_free (ai);
2395
2396 kfree(ai->flash);
2397 kfree(ai->rssi);
2398 kfree(ai->APList);
2399 kfree(ai->SSID);
2400 if (freeres) {
2401 /* PCMCIA frees this stuff, so only for PCI and ISA */
2402 release_region( dev->base_addr, 64 );
2403 if (test_bit(FLAG_MPI, &ai->flags)) {
2404 if (ai->pci)
2405 mpi_unmap_card(ai->pci);
2406 if (ai->pcimem)
2407 iounmap(ai->pcimem);
2408 if (ai->pciaux)
2409 iounmap(ai->pciaux);
2410 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2411 ai->shared, ai->shared_dma);
2412 }
2413 }
2414 crypto_free_cipher(ai->tfm);
2415 del_airo_dev(ai);
2416 free_netdev( dev );
2417 }
2418
2419 EXPORT_SYMBOL(stop_airo_card);
2420
2421 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2422 {
2423 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2424 return ETH_ALEN;
2425 }
2426
2427 static void mpi_unmap_card(struct pci_dev *pci)
2428 {
2429 unsigned long mem_start = pci_resource_start(pci, 1);
2430 unsigned long mem_len = pci_resource_len(pci, 1);
2431 unsigned long aux_start = pci_resource_start(pci, 2);
2432 unsigned long aux_len = AUXMEMSIZE;
2433
2434 release_mem_region(aux_start, aux_len);
2435 release_mem_region(mem_start, mem_len);
2436 }
2437
2438 /*************************************************************
2439 * This routine assumes that descriptors have been setup .
2440 * Run at insmod time or after reset when the decriptors
2441 * have been initialized . Returns 0 if all is well nz
2442 * otherwise . Does not allocate memory but sets up card
2443 * using previously allocated descriptors.
2444 */
2445 static int mpi_init_descriptors (struct airo_info *ai)
2446 {
2447 Cmd cmd;
2448 Resp rsp;
2449 int i;
2450 int rc = SUCCESS;
2451
2452 /* Alloc card RX descriptors */
2453 netif_stop_queue(ai->dev);
2454
2455 memset(&rsp,0,sizeof(rsp));
2456 memset(&cmd,0,sizeof(cmd));
2457
2458 cmd.cmd = CMD_ALLOCATEAUX;
2459 cmd.parm0 = FID_RX;
2460 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2461 cmd.parm2 = MPI_MAX_FIDS;
2462 rc=issuecommand(ai, &cmd, &rsp);
2463 if (rc != SUCCESS) {
2464 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2465 return rc;
2466 }
2467
2468 for (i=0; i<MPI_MAX_FIDS; i++) {
2469 memcpy_toio(ai->rxfids[i].card_ram_off,
2470 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2471 }
2472
2473 /* Alloc card TX descriptors */
2474
2475 memset(&rsp,0,sizeof(rsp));
2476 memset(&cmd,0,sizeof(cmd));
2477
2478 cmd.cmd = CMD_ALLOCATEAUX;
2479 cmd.parm0 = FID_TX;
2480 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2481 cmd.parm2 = MPI_MAX_FIDS;
2482
2483 for (i=0; i<MPI_MAX_FIDS; i++) {
2484 ai->txfids[i].tx_desc.valid = 1;
2485 memcpy_toio(ai->txfids[i].card_ram_off,
2486 &ai->txfids[i].tx_desc, sizeof(TxFid));
2487 }
2488 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2489
2490 rc=issuecommand(ai, &cmd, &rsp);
2491 if (rc != SUCCESS) {
2492 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2493 return rc;
2494 }
2495
2496 /* Alloc card Rid descriptor */
2497 memset(&rsp,0,sizeof(rsp));
2498 memset(&cmd,0,sizeof(cmd));
2499
2500 cmd.cmd = CMD_ALLOCATEAUX;
2501 cmd.parm0 = RID_RW;
2502 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2503 cmd.parm2 = 1; /* Magic number... */
2504 rc=issuecommand(ai, &cmd, &rsp);
2505 if (rc != SUCCESS) {
2506 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2507 return rc;
2508 }
2509
2510 memcpy_toio(ai->config_desc.card_ram_off,
2511 &ai->config_desc.rid_desc, sizeof(Rid));
2512
2513 return rc;
2514 }
2515
2516 /*
2517 * We are setting up three things here:
2518 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2519 * 2) Map PCI memory for issueing commands.
2520 * 3) Allocate memory (shared) to send and receive ethernet frames.
2521 */
2522 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2523 {
2524 unsigned long mem_start, mem_len, aux_start, aux_len;
2525 int rc = -1;
2526 int i;
2527 dma_addr_t busaddroff;
2528 unsigned char *vpackoff;
2529 unsigned char __iomem *pciaddroff;
2530
2531 mem_start = pci_resource_start(pci, 1);
2532 mem_len = pci_resource_len(pci, 1);
2533 aux_start = pci_resource_start(pci, 2);
2534 aux_len = AUXMEMSIZE;
2535
2536 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2537 airo_print_err("", "Couldn't get region %x[%x]",
2538 (int)mem_start, (int)mem_len);
2539 goto out;
2540 }
2541 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2542 airo_print_err("", "Couldn't get region %x[%x]",
2543 (int)aux_start, (int)aux_len);
2544 goto free_region1;
2545 }
2546
2547 ai->pcimem = ioremap(mem_start, mem_len);
2548 if (!ai->pcimem) {
2549 airo_print_err("", "Couldn't map region %x[%x]",
2550 (int)mem_start, (int)mem_len);
2551 goto free_region2;
2552 }
2553 ai->pciaux = ioremap(aux_start, aux_len);
2554 if (!ai->pciaux) {
2555 airo_print_err("", "Couldn't map region %x[%x]",
2556 (int)aux_start, (int)aux_len);
2557 goto free_memmap;
2558 }
2559
2560 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2561 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2562 if (!ai->shared) {
2563 airo_print_err("", "Couldn't alloc_consistent %d",
2564 PCI_SHARED_LEN);
2565 goto free_auxmap;
2566 }
2567
2568 /*
2569 * Setup descriptor RX, TX, CONFIG
2570 */
2571 busaddroff = ai->shared_dma;
2572 pciaddroff = ai->pciaux + AUX_OFFSET;
2573 vpackoff = ai->shared;
2574
2575 /* RX descriptor setup */
2576 for(i = 0; i < MPI_MAX_FIDS; i++) {
2577 ai->rxfids[i].pending = 0;
2578 ai->rxfids[i].card_ram_off = pciaddroff;
2579 ai->rxfids[i].virtual_host_addr = vpackoff;
2580 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2581 ai->rxfids[i].rx_desc.valid = 1;
2582 ai->rxfids[i].rx_desc.len = PKTSIZE;
2583 ai->rxfids[i].rx_desc.rdy = 0;
2584
2585 pciaddroff += sizeof(RxFid);
2586 busaddroff += PKTSIZE;
2587 vpackoff += PKTSIZE;
2588 }
2589
2590 /* TX descriptor setup */
2591 for(i = 0; i < MPI_MAX_FIDS; i++) {
2592 ai->txfids[i].card_ram_off = pciaddroff;
2593 ai->txfids[i].virtual_host_addr = vpackoff;
2594 ai->txfids[i].tx_desc.valid = 1;
2595 ai->txfids[i].tx_desc.host_addr = busaddroff;
2596 memcpy(ai->txfids[i].virtual_host_addr,
2597 &wifictlhdr8023, sizeof(wifictlhdr8023));
2598
2599 pciaddroff += sizeof(TxFid);
2600 busaddroff += PKTSIZE;
2601 vpackoff += PKTSIZE;
2602 }
2603 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2604
2605 /* Rid descriptor setup */
2606 ai->config_desc.card_ram_off = pciaddroff;
2607 ai->config_desc.virtual_host_addr = vpackoff;
2608 ai->config_desc.rid_desc.host_addr = busaddroff;
2609 ai->ridbus = busaddroff;
2610 ai->config_desc.rid_desc.rid = 0;
2611 ai->config_desc.rid_desc.len = RIDSIZE;
2612 ai->config_desc.rid_desc.valid = 1;
2613 pciaddroff += sizeof(Rid);
2614 busaddroff += RIDSIZE;
2615 vpackoff += RIDSIZE;
2616
2617 /* Tell card about descriptors */
2618 if (mpi_init_descriptors (ai) != SUCCESS)
2619 goto free_shared;
2620
2621 return 0;
2622 free_shared:
2623 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2624 free_auxmap:
2625 iounmap(ai->pciaux);
2626 free_memmap:
2627 iounmap(ai->pcimem);
2628 free_region2:
2629 release_mem_region(aux_start, aux_len);
2630 free_region1:
2631 release_mem_region(mem_start, mem_len);
2632 out:
2633 return rc;
2634 }
2635
2636 static const struct header_ops airo_header_ops = {
2637 .parse = wll_header_parse,
2638 };
2639
2640 static void wifi_setup(struct net_device *dev)
2641 {
2642 dev->header_ops = &airo_header_ops;
2643 dev->hard_start_xmit = &airo_start_xmit11;
2644 dev->get_stats = &airo_get_stats;
2645 dev->set_mac_address = &airo_set_mac_address;
2646 dev->do_ioctl = &airo_ioctl;
2647 dev->wireless_handlers = &airo_handler_def;
2648 dev->change_mtu = &airo_change_mtu;
2649 dev->open = &airo_open;
2650 dev->stop = &airo_close;
2651
2652 dev->type = ARPHRD_IEEE80211;
2653 dev->hard_header_len = ETH_HLEN;
2654 dev->mtu = AIRO_DEF_MTU;
2655 dev->addr_len = ETH_ALEN;
2656 dev->tx_queue_len = 100;
2657
2658 memset(dev->broadcast,0xFF, ETH_ALEN);
2659
2660 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2661 }
2662
2663 static struct net_device *init_wifidev(struct airo_info *ai,
2664 struct net_device *ethdev)
2665 {
2666 int err;
2667 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2668 if (!dev)
2669 return NULL;
2670 dev->ml_priv = ethdev->ml_priv;
2671 dev->irq = ethdev->irq;
2672 dev->base_addr = ethdev->base_addr;
2673 dev->wireless_data = ethdev->wireless_data;
2674 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2675 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2676 err = register_netdev(dev);
2677 if (err<0) {
2678 free_netdev(dev);
2679 return NULL;
2680 }
2681 return dev;
2682 }
2683
2684 static int reset_card( struct net_device *dev , int lock) {
2685 struct airo_info *ai = dev->ml_priv;
2686
2687 if (lock && down_interruptible(&ai->sem))
2688 return -1;
2689 waitbusy (ai);
2690 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2691 msleep(200);
2692 waitbusy (ai);
2693 msleep(200);
2694 if (lock)
2695 up(&ai->sem);
2696 return 0;
2697 }
2698
2699 #define AIRO_MAX_NETWORK_COUNT 64
2700 static int airo_networks_allocate(struct airo_info *ai)
2701 {
2702 if (ai->networks)
2703 return 0;
2704
2705 ai->networks =
2706 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2707 GFP_KERNEL);
2708 if (!ai->networks) {
2709 airo_print_warn("", "Out of memory allocating beacons");
2710 return -ENOMEM;
2711 }
2712
2713 return 0;
2714 }
2715
2716 static void airo_networks_free(struct airo_info *ai)
2717 {
2718 kfree(ai->networks);
2719 ai->networks = NULL;
2720 }
2721
2722 static void airo_networks_initialize(struct airo_info *ai)
2723 {
2724 int i;
2725
2726 INIT_LIST_HEAD(&ai->network_free_list);
2727 INIT_LIST_HEAD(&ai->network_list);
2728 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2729 list_add_tail(&ai->networks[i].list,
2730 &ai->network_free_list);
2731 }
2732
2733 static int airo_test_wpa_capable(struct airo_info *ai)
2734 {
2735 int status;
2736 CapabilityRid cap_rid;
2737
2738 status = readCapabilityRid(ai, &cap_rid, 1);
2739 if (status != SUCCESS) return 0;
2740
2741 /* Only firmware versions 5.30.17 or better can do WPA */
2742 if (le16_to_cpu(cap_rid.softVer) > 0x530
2743 || (le16_to_cpu(cap_rid.softVer) == 0x530
2744 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2745 airo_print_info("", "WPA is supported.");
2746 return 1;
2747 }
2748
2749 /* No WPA support */
2750 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2751 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2752 return 0;
2753 }
2754
2755 static struct net_device *_init_airo_card( unsigned short irq, int port,
2756 int is_pcmcia, struct pci_dev *pci,
2757 struct device *dmdev )
2758 {
2759 struct net_device *dev;
2760 struct airo_info *ai;
2761 int i, rc;
2762
2763 /* Create the network device object. */
2764 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2765 if (!dev) {
2766 airo_print_err("", "Couldn't alloc_etherdev");
2767 return NULL;
2768 }
2769
2770 ai = dev->ml_priv = netdev_priv(dev);
2771 ai->wifidev = NULL;
2772 ai->flags = 1 << FLAG_RADIO_DOWN;
2773 ai->jobs = 0;
2774 ai->dev = dev;
2775 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2776 airo_print_dbg("", "Found an MPI350 card");
2777 set_bit(FLAG_MPI, &ai->flags);
2778 }
2779 spin_lock_init(&ai->aux_lock);
2780 sema_init(&ai->sem, 1);
2781 ai->config.len = 0;
2782 ai->pci = pci;
2783 init_waitqueue_head (&ai->thr_wait);
2784 ai->tfm = NULL;
2785 add_airo_dev(ai);
2786
2787 if (airo_networks_allocate (ai))
2788 goto err_out_free;
2789 airo_networks_initialize (ai);
2790
2791 /* The Airo-specific entries in the device structure. */
2792 if (test_bit(FLAG_MPI,&ai->flags)) {
2793 skb_queue_head_init (&ai->txq);
2794 dev->hard_start_xmit = &mpi_start_xmit;
2795 } else
2796 dev->hard_start_xmit = &airo_start_xmit;
2797 dev->get_stats = &airo_get_stats;
2798 dev->set_multicast_list = &airo_set_multicast_list;
2799 dev->set_mac_address = &airo_set_mac_address;
2800 dev->do_ioctl = &airo_ioctl;
2801 dev->wireless_handlers = &airo_handler_def;
2802 ai->wireless_data.spy_data = &ai->spy_data;
2803 dev->wireless_data = &ai->wireless_data;
2804 dev->change_mtu = &airo_change_mtu;
2805 dev->open = &airo_open;
2806 dev->stop = &airo_close;
2807 dev->irq = irq;
2808 dev->base_addr = port;
2809
2810 SET_NETDEV_DEV(dev, dmdev);
2811
2812 reset_card (dev, 1);
2813 msleep(400);
2814
2815 if (!is_pcmcia) {
2816 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2817 rc = -EBUSY;
2818 airo_print_err(dev->name, "Couldn't request region");
2819 goto err_out_nets;
2820 }
2821 }
2822
2823 if (test_bit(FLAG_MPI,&ai->flags)) {
2824 if (mpi_map_card(ai, pci)) {
2825 airo_print_err("", "Could not map memory");
2826 goto err_out_res;
2827 }
2828 }
2829
2830 if (probe) {
2831 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2832 airo_print_err(dev->name, "MAC could not be enabled" );
2833 rc = -EIO;
2834 goto err_out_map;
2835 }
2836 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2837 ai->bap_read = fast_bap_read;
2838 set_bit(FLAG_FLASHING, &ai->flags);
2839 }
2840
2841 /* Test for WPA support */
2842 if (airo_test_wpa_capable(ai)) {
2843 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2844 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2845 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2846 ai->bssListRidLen = sizeof(BSSListRid);
2847 } else {
2848 ai->bssListFirst = RID_BSSLISTFIRST;
2849 ai->bssListNext = RID_BSSLISTNEXT;
2850 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2851 }
2852
2853 strcpy(dev->name, "eth%d");
2854 rc = register_netdev(dev);
2855 if (rc) {
2856 airo_print_err(dev->name, "Couldn't register_netdev");
2857 goto err_out_map;
2858 }
2859 ai->wifidev = init_wifidev(ai, dev);
2860 if (!ai->wifidev)
2861 goto err_out_reg;
2862
2863 set_bit(FLAG_REGISTERED,&ai->flags);
2864 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2865
2866 /* Allocate the transmit buffers */
2867 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2868 for( i = 0; i < MAX_FIDS; i++ )
2869 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2870
2871 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2872 goto err_out_wifi;
2873
2874 return dev;
2875
2876 err_out_wifi:
2877 unregister_netdev(ai->wifidev);
2878 free_netdev(ai->wifidev);
2879 err_out_reg:
2880 unregister_netdev(dev);
2881 err_out_map:
2882 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2883 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2884 iounmap(ai->pciaux);
2885 iounmap(ai->pcimem);
2886 mpi_unmap_card(ai->pci);
2887 }
2888 err_out_res:
2889 if (!is_pcmcia)
2890 release_region( dev->base_addr, 64 );
2891 err_out_nets:
2892 airo_networks_free(ai);
2893 del_airo_dev(ai);
2894 err_out_free:
2895 free_netdev(dev);
2896 return NULL;
2897 }
2898
2899 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2900 struct device *dmdev)
2901 {
2902 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2903 }
2904
2905 EXPORT_SYMBOL(init_airo_card);
2906
2907 static int waitbusy (struct airo_info *ai) {
2908 int delay = 0;
2909 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2910 udelay (10);
2911 if ((++delay % 20) == 0)
2912 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2913 }
2914 return delay < 10000;
2915 }
2916
2917 int reset_airo_card( struct net_device *dev )
2918 {
2919 int i;
2920 struct airo_info *ai = dev->ml_priv;
2921
2922 if (reset_card (dev, 1))
2923 return -1;
2924
2925 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2926 airo_print_err(dev->name, "MAC could not be enabled");
2927 return -1;
2928 }
2929 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2930 /* Allocate the transmit buffers if needed */
2931 if (!test_bit(FLAG_MPI,&ai->flags))
2932 for( i = 0; i < MAX_FIDS; i++ )
2933 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2934
2935 enable_interrupts( ai );
2936 netif_wake_queue(dev);
2937 return 0;
2938 }
2939
2940 EXPORT_SYMBOL(reset_airo_card);
2941
2942 static void airo_send_event(struct net_device *dev) {
2943 struct airo_info *ai = dev->ml_priv;
2944 union iwreq_data wrqu;
2945 StatusRid status_rid;
2946
2947 clear_bit(JOB_EVENT, &ai->jobs);
2948 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2949 up(&ai->sem);
2950 wrqu.data.length = 0;
2951 wrqu.data.flags = 0;
2952 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2953 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2954
2955 /* Send event to user space */
2956 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2957 }
2958
2959 static void airo_process_scan_results (struct airo_info *ai) {
2960 union iwreq_data wrqu;
2961 BSSListRid bss;
2962 int rc;
2963 BSSListElement * loop_net;
2964 BSSListElement * tmp_net;
2965
2966 /* Blow away current list of scan results */
2967 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2968 list_move_tail (&loop_net->list, &ai->network_free_list);
2969 /* Don't blow away ->list, just BSS data */
2970 memset (loop_net, 0, sizeof (loop_net->bss));
2971 }
2972
2973 /* Try to read the first entry of the scan result */
2974 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2975 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2976 /* No scan results */
2977 goto out;
2978 }
2979
2980 /* Read and parse all entries */
2981 tmp_net = NULL;
2982 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2983 /* Grab a network off the free list */
2984 if (!list_empty(&ai->network_free_list)) {
2985 tmp_net = list_entry(ai->network_free_list.next,
2986 BSSListElement, list);
2987 list_del(ai->network_free_list.next);
2988 }
2989
2990 if (tmp_net != NULL) {
2991 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
2992 list_add_tail(&tmp_net->list, &ai->network_list);
2993 tmp_net = NULL;
2994 }
2995
2996 /* Read next entry */
2997 rc = PC4500_readrid(ai, ai->bssListNext,
2998 &bss, ai->bssListRidLen, 0);
2999 }
3000
3001 out:
3002 ai->scan_timeout = 0;
3003 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3004 up(&ai->sem);
3005
3006 /* Send an empty event to user space.
3007 * We don't send the received data on
3008 * the event because it would require
3009 * us to do complex transcoding, and
3010 * we want to minimise the work done in
3011 * the irq handler. Use a request to
3012 * extract the data - Jean II */
3013 wrqu.data.length = 0;
3014 wrqu.data.flags = 0;
3015 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3016 }
3017
3018 static int airo_thread(void *data) {
3019 struct net_device *dev = data;
3020 struct airo_info *ai = dev->ml_priv;
3021 int locked;
3022
3023 set_freezable();
3024 while(1) {
3025 /* make swsusp happy with our thread */
3026 try_to_freeze();
3027
3028 if (test_bit(JOB_DIE, &ai->jobs))
3029 break;
3030
3031 if (ai->jobs) {
3032 locked = down_interruptible(&ai->sem);
3033 } else {
3034 wait_queue_t wait;
3035
3036 init_waitqueue_entry(&wait, current);
3037 add_wait_queue(&ai->thr_wait, &wait);
3038 for (;;) {
3039 set_current_state(TASK_INTERRUPTIBLE);
3040 if (ai->jobs)
3041 break;
3042 if (ai->expires || ai->scan_timeout) {
3043 if (ai->scan_timeout &&
3044 time_after_eq(jiffies,ai->scan_timeout)){
3045 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046 break;
3047 } else if (ai->expires &&
3048 time_after_eq(jiffies,ai->expires)){
3049 set_bit(JOB_AUTOWEP, &ai->jobs);
3050 break;
3051 }
3052 if (!kthread_should_stop() &&
3053 !freezing(current)) {
3054 unsigned long wake_at;
3055 if (!ai->expires || !ai->scan_timeout) {
3056 wake_at = max(ai->expires,
3057 ai->scan_timeout);
3058 } else {
3059 wake_at = min(ai->expires,
3060 ai->scan_timeout);
3061 }
3062 schedule_timeout(wake_at - jiffies);
3063 continue;
3064 }
3065 } else if (!kthread_should_stop() &&
3066 !freezing(current)) {
3067 schedule();
3068 continue;
3069 }
3070 break;
3071 }
3072 current->state = TASK_RUNNING;
3073 remove_wait_queue(&ai->thr_wait, &wait);
3074 locked = 1;
3075 }
3076
3077 if (locked)
3078 continue;
3079
3080 if (test_bit(JOB_DIE, &ai->jobs)) {
3081 up(&ai->sem);
3082 break;
3083 }
3084
3085 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3086 up(&ai->sem);
3087 continue;
3088 }
3089
3090 if (test_bit(JOB_XMIT, &ai->jobs))
3091 airo_end_xmit(dev);
3092 else if (test_bit(JOB_XMIT11, &ai->jobs))
3093 airo_end_xmit11(dev);
3094 else if (test_bit(JOB_STATS, &ai->jobs))
3095 airo_read_stats(dev);
3096 else if (test_bit(JOB_WSTATS, &ai->jobs))
3097 airo_read_wireless_stats(ai);
3098 else if (test_bit(JOB_PROMISC, &ai->jobs))
3099 airo_set_promisc(ai);
3100 else if (test_bit(JOB_MIC, &ai->jobs))
3101 micinit(ai);
3102 else if (test_bit(JOB_EVENT, &ai->jobs))
3103 airo_send_event(dev);
3104 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3105 timer_func(dev);
3106 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3107 airo_process_scan_results(ai);
3108 else /* Shouldn't get here, but we make sure to unlock */
3109 up(&ai->sem);
3110 }
3111
3112 return 0;
3113 }
3114
3115 static int header_len(__le16 ctl)
3116 {
3117 u16 fc = le16_to_cpu(ctl);
3118 switch (fc & 0xc) {
3119 case 4:
3120 if ((fc & 0xe0) == 0xc0)
3121 return 10; /* one-address control packet */
3122 return 16; /* two-address control packet */
3123 case 8:
3124 if ((fc & 0x300) == 0x300)
3125 return 30; /* WDS packet */
3126 }
3127 return 24;
3128 }
3129
3130 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3131 {
3132 struct net_device *dev = dev_id;
3133 u16 status;
3134 u16 fid;
3135 struct airo_info *apriv = dev->ml_priv;
3136 u16 savedInterrupts = 0;
3137 int handled = 0;
3138
3139 if (!netif_device_present(dev))
3140 return IRQ_NONE;
3141
3142 for (;;) {
3143 status = IN4500( apriv, EVSTAT );
3144 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3145
3146 handled = 1;
3147
3148 if ( status & EV_AWAKE ) {
3149 OUT4500( apriv, EVACK, EV_AWAKE );
3150 OUT4500( apriv, EVACK, EV_AWAKE );
3151 }
3152
3153 if (!savedInterrupts) {
3154 savedInterrupts = IN4500( apriv, EVINTEN );
3155 OUT4500( apriv, EVINTEN, 0 );
3156 }
3157
3158 if ( status & EV_MIC ) {
3159 OUT4500( apriv, EVACK, EV_MIC );
3160 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3161 set_bit(JOB_MIC, &apriv->jobs);
3162 wake_up_interruptible(&apriv->thr_wait);
3163 }
3164 }
3165 if ( status & EV_LINK ) {
3166 union iwreq_data wrqu;
3167 int scan_forceloss = 0;
3168 /* The link status has changed, if you want to put a
3169 monitor hook in, do it here. (Remember that
3170 interrupts are still disabled!)
3171 */
3172 u16 newStatus = IN4500(apriv, LINKSTAT);
3173 OUT4500( apriv, EVACK, EV_LINK);
3174 /* Here is what newStatus means: */
3175 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3176 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3177 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3178 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3179 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3180 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3181 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3182 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3183 code) */
3184 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3185 code) */
3186 #define ASSOCIATED 0x0400 /* Associated */
3187 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3188 #define RC_RESERVED 0 /* Reserved return code */
3189 #define RC_NOREASON 1 /* Unspecified reason */
3190 #define RC_AUTHINV 2 /* Previous authentication invalid */
3191 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3192 leaving */
3193 #define RC_NOACT 4 /* Disassociated due to inactivity */
3194 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3195 all currently associated stations */
3196 #define RC_BADCLASS2 6 /* Class 2 frame received from
3197 non-Authenticated station */
3198 #define RC_BADCLASS3 7 /* Class 3 frame received from
3199 non-Associated station */
3200 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3201 leaving BSS */
3202 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3203 Authenticated with the responding station */
3204 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3205 scan_forceloss = 1;
3206 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3207 if (auto_wep)
3208 apriv->expires = 0;
3209 if (apriv->list_bss_task)
3210 wake_up_process(apriv->list_bss_task);
3211 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3212 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3213
3214 if (down_trylock(&apriv->sem) != 0) {
3215 set_bit(JOB_EVENT, &apriv->jobs);
3216 wake_up_interruptible(&apriv->thr_wait);
3217 } else
3218 airo_send_event(dev);
3219 } else if (!scan_forceloss) {
3220 if (auto_wep && !apriv->expires) {
3221 apriv->expires = RUN_AT(3*HZ);
3222 wake_up_interruptible(&apriv->thr_wait);
3223 }
3224
3225 /* Send event to user space */
3226 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3227 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3228 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3229 }
3230 }
3231
3232 /* Check to see if there is something to receive */
3233 if ( status & EV_RX ) {
3234 struct sk_buff *skb = NULL;
3235 __le16 fc, v;
3236 u16 len, hdrlen = 0;
3237 #pragma pack(1)
3238 struct {
3239 __le16 status, len;
3240 u8 rssi[2];
3241 u8 rate;
3242 u8 freq;
3243 __le16 tmp[4];
3244 } hdr;
3245 #pragma pack()
3246 u16 gap;
3247 __le16 tmpbuf[4];
3248 __le16 *buffer;
3249
3250 if (test_bit(FLAG_MPI,&apriv->flags)) {
3251 if (test_bit(FLAG_802_11, &apriv->flags))
3252 mpi_receive_802_11(apriv);
3253 else
3254 mpi_receive_802_3(apriv);
3255 OUT4500(apriv, EVACK, EV_RX);
3256 goto exitrx;
3257 }
3258
3259 fid = IN4500( apriv, RXFID );
3260
3261 /* Get the packet length */
3262 if (test_bit(FLAG_802_11, &apriv->flags)) {
3263 bap_setup (apriv, fid, 4, BAP0);
3264 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3265 /* Bad CRC. Ignore packet */
3266 if (le16_to_cpu(hdr.status) & 2)
3267 hdr.len = 0;
3268 if (apriv->wifidev == NULL)
3269 hdr.len = 0;
3270 } else {
3271 bap_setup (apriv, fid, 0x36, BAP0);
3272 bap_read (apriv, &hdr.len, 2, BAP0);
3273 }
3274 len = le16_to_cpu(hdr.len);
3275
3276 if (len > AIRO_DEF_MTU) {
3277 airo_print_err(apriv->dev->name, "Bad size %d", len);
3278 goto badrx;
3279 }
3280 if (len == 0)
3281 goto badrx;
3282
3283 if (test_bit(FLAG_802_11, &apriv->flags)) {
3284 bap_read (apriv, &fc, sizeof(fc), BAP0);
3285 hdrlen = header_len(fc);
3286 } else
3287 hdrlen = ETH_ALEN * 2;
3288
3289 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3290 if ( !skb ) {
3291 dev->stats.rx_dropped++;
3292 goto badrx;
3293 }
3294 skb_reserve(skb, 2); /* This way the IP header is aligned */
3295 buffer = (__le16*)skb_put (skb, len + hdrlen);
3296 if (test_bit(FLAG_802_11, &apriv->flags)) {
3297 buffer[0] = fc;
3298 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3299 if (hdrlen == 24)
3300 bap_read (apriv, tmpbuf, 6, BAP0);
3301
3302 bap_read (apriv, &v, sizeof(v), BAP0);
3303 gap = le16_to_cpu(v);
3304 if (gap) {
3305 if (gap <= 8) {
3306 bap_read (apriv, tmpbuf, gap, BAP0);
3307 } else {
3308 airo_print_err(apriv->dev->name, "gaplen too "
3309 "big. Problems will follow...");
3310 }
3311 }
3312 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3313 } else {
3314 MICBuffer micbuf;
3315 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3316 if (apriv->micstats.enabled) {
3317 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3318 if (ntohs(micbuf.typelen) > 0x05DC)
3319 bap_setup (apriv, fid, 0x44, BAP0);
3320 else {
3321 if (len <= sizeof(micbuf))
3322 goto badmic;
3323
3324 len -= sizeof(micbuf);
3325 skb_trim (skb, len + hdrlen);
3326 }
3327 }
3328 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3329 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3330 badmic:
3331 dev_kfree_skb_irq (skb);
3332 badrx:
3333 OUT4500( apriv, EVACK, EV_RX);
3334 goto exitrx;
3335 }
3336 }
3337 #ifdef WIRELESS_SPY
3338 if (apriv->spy_data.spy_number > 0) {
3339 char *sa;
3340 struct iw_quality wstats;
3341 /* Prepare spy data : addr + qual */
3342 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3343 sa = (char*)buffer + 6;
3344 bap_setup (apriv, fid, 8, BAP0);
3345 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3346 } else
3347 sa = (char*)buffer + 10;
3348 wstats.qual = hdr.rssi[0];
3349 if (apriv->rssi)
3350 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3351 else
3352 wstats.level = (hdr.rssi[1] + 321) / 2;
3353 wstats.noise = apriv->wstats.qual.noise;
3354 wstats.updated = IW_QUAL_LEVEL_UPDATED
3355 | IW_QUAL_QUAL_UPDATED
3356 | IW_QUAL_DBM;
3357 /* Update spy records */
3358 wireless_spy_update(dev, sa, &wstats);
3359 }
3360 #endif /* WIRELESS_SPY */
3361 OUT4500( apriv, EVACK, EV_RX);
3362
3363 if (test_bit(FLAG_802_11, &apriv->flags)) {
3364 skb_reset_mac_header(skb);
3365 skb->pkt_type = PACKET_OTHERHOST;
3366 skb->dev = apriv->wifidev;
3367 skb->protocol = htons(ETH_P_802_2);
3368 } else
3369 skb->protocol = eth_type_trans(skb,dev);
3370 skb->ip_summed = CHECKSUM_NONE;
3371
3372 netif_rx( skb );
3373 }
3374 exitrx:
3375
3376 /* Check to see if a packet has been transmitted */
3377 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3378 int i;
3379 int len = 0;
3380 int index = -1;
3381
3382 if (test_bit(FLAG_MPI,&apriv->flags)) {
3383 unsigned long flags;
3384
3385 if (status & EV_TXEXC)
3386 get_tx_error(apriv, -1);
3387 spin_lock_irqsave(&apriv->aux_lock, flags);
3388 if (!skb_queue_empty(&apriv->txq)) {
3389 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3390 mpi_send_packet (dev);
3391 } else {
3392 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3393 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3394 netif_wake_queue (dev);
3395 }
3396 OUT4500( apriv, EVACK,
3397 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3398 goto exittx;
3399 }
3400
3401 fid = IN4500(apriv, TXCOMPLFID);
3402
3403 for( i = 0; i < MAX_FIDS; i++ ) {
3404 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3405 len = apriv->fids[i] >> 16;
3406 index = i;
3407 }
3408 }
3409 if (index != -1) {
3410 if (status & EV_TXEXC)
3411 get_tx_error(apriv, index);
3412 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3413 /* Set up to be used again */
3414 apriv->fids[index] &= 0xffff;
3415 if (index < MAX_FIDS / 2) {
3416 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3417 netif_wake_queue(dev);
3418 } else {
3419 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3420 netif_wake_queue(apriv->wifidev);
3421 }
3422 } else {
3423 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3424 airo_print_err(apriv->dev->name, "Unallocated FID was "
3425 "used to xmit" );
3426 }
3427 }
3428 exittx:
3429 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3430 airo_print_warn(apriv->dev->name, "Got weird status %x",
3431 status & ~STATUS_INTS & ~IGNORE_INTS );
3432 }
3433
3434 if (savedInterrupts)
3435 OUT4500( apriv, EVINTEN, savedInterrupts );
3436
3437 /* done.. */
3438 return IRQ_RETVAL(handled);
3439 }
3440
3441 /*
3442 * Routines to talk to the card
3443 */
3444
3445 /*
3446 * This was originally written for the 4500, hence the name
3447 * NOTE: If use with 8bit mode and SMP bad things will happen!
3448 * Why would some one do 8 bit IO in an SMP machine?!?
3449 */
3450 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3451 if (test_bit(FLAG_MPI,&ai->flags))
3452 reg <<= 1;
3453 if ( !do8bitIO )
3454 outw( val, ai->dev->base_addr + reg );
3455 else {
3456 outb( val & 0xff, ai->dev->base_addr + reg );
3457 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3458 }
3459 }
3460
3461 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3462 unsigned short rc;
3463
3464 if (test_bit(FLAG_MPI,&ai->flags))
3465 reg <<= 1;
3466 if ( !do8bitIO )
3467 rc = inw( ai->dev->base_addr + reg );
3468 else {
3469 rc = inb( ai->dev->base_addr + reg );
3470 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3471 }
3472 return rc;
3473 }
3474
3475 static int enable_MAC(struct airo_info *ai, int lock)
3476 {
3477 int rc;
3478 Cmd cmd;
3479 Resp rsp;
3480
3481 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3482 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3483 * Note : we could try to use !netif_running(dev) in enable_MAC()
3484 * instead of this flag, but I don't trust it *within* the
3485 * open/close functions, and testing both flags together is
3486 * "cheaper" - Jean II */
3487 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3488
3489 if (lock && down_interruptible(&ai->sem))
3490 return -ERESTARTSYS;
3491
3492 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3493 memset(&cmd, 0, sizeof(cmd));
3494 cmd.cmd = MAC_ENABLE;
3495 rc = issuecommand(ai, &cmd, &rsp);
3496 if (rc == SUCCESS)
3497 set_bit(FLAG_ENABLED, &ai->flags);
3498 } else
3499 rc = SUCCESS;
3500
3501 if (lock)
3502 up(&ai->sem);
3503
3504 if (rc)
3505 airo_print_err(ai->dev->name, "Cannot enable MAC");
3506 else if ((rsp.status & 0xFF00) != 0) {
3507 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3508 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3509 rc = ERROR;
3510 }
3511 return rc;
3512 }
3513
3514 static void disable_MAC( struct airo_info *ai, int lock ) {
3515 Cmd cmd;
3516 Resp rsp;
3517
3518 if (lock && down_interruptible(&ai->sem))
3519 return;
3520
3521 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3522 memset(&cmd, 0, sizeof(cmd));
3523 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3524 issuecommand(ai, &cmd, &rsp);
3525 clear_bit(FLAG_ENABLED, &ai->flags);
3526 }
3527 if (lock)
3528 up(&ai->sem);
3529 }
3530
3531 static void enable_interrupts( struct airo_info *ai ) {
3532 /* Enable the interrupts */
3533 OUT4500( ai, EVINTEN, STATUS_INTS );
3534 }
3535
3536 static void disable_interrupts( struct airo_info *ai ) {
3537 OUT4500( ai, EVINTEN, 0 );
3538 }
3539
3540 static void mpi_receive_802_3(struct airo_info *ai)
3541 {
3542 RxFid rxd;
3543 int len = 0;
3544 struct sk_buff *skb;
3545 char *buffer;
3546 int off = 0;
3547 MICBuffer micbuf;
3548
3549 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3550 /* Make sure we got something */
3551 if (rxd.rdy && rxd.valid == 0) {
3552 len = rxd.len + 12;
3553 if (len < 12 || len > 2048)
3554 goto badrx;
3555
3556 skb = dev_alloc_skb(len);
3557 if (!skb) {
3558 ai->dev->stats.rx_dropped++;
3559 goto badrx;
3560 }
3561 buffer = skb_put(skb,len);
3562 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3563 if (ai->micstats.enabled) {
3564 memcpy(&micbuf,
3565 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3566 sizeof(micbuf));
3567 if (ntohs(micbuf.typelen) <= 0x05DC) {
3568 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3569 goto badmic;
3570
3571 off = sizeof(micbuf);
3572 skb_trim (skb, len - off);
3573 }
3574 }
3575 memcpy(buffer + ETH_ALEN * 2,
3576 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3577 len - ETH_ALEN * 2 - off);
3578 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3579 badmic:
3580 dev_kfree_skb_irq (skb);
3581 goto badrx;
3582 }
3583 #ifdef WIRELESS_SPY
3584 if (ai->spy_data.spy_number > 0) {
3585 char *sa;
3586 struct iw_quality wstats;
3587 /* Prepare spy data : addr + qual */
3588 sa = buffer + ETH_ALEN;
3589 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3590 wstats.level = 0;
3591 wstats.updated = 0;
3592 /* Update spy records */
3593 wireless_spy_update(ai->dev, sa, &wstats);
3594 }
3595 #endif /* WIRELESS_SPY */
3596
3597 skb->ip_summed = CHECKSUM_NONE;
3598 skb->protocol = eth_type_trans(skb, ai->dev);
3599 netif_rx(skb);
3600 }
3601 badrx:
3602 if (rxd.valid == 0) {
3603 rxd.valid = 1;
3604 rxd.rdy = 0;
3605 rxd.len = PKTSIZE;
3606 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3607 }
3608 }
3609
3610 static void mpi_receive_802_11(struct airo_info *ai)
3611 {
3612 RxFid rxd;
3613 struct sk_buff *skb = NULL;
3614 u16 len, hdrlen = 0;
3615 __le16 fc;
3616 #pragma pack(1)
3617 struct {
3618 __le16 status, len;
3619 u8 rssi[2];
3620 u8 rate;
3621 u8 freq;
3622 __le16 tmp[4];
3623 } hdr;
3624 #pragma pack()
3625 u16 gap;
3626 u16 *buffer;
3627 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3628
3629 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3630 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3631 ptr += sizeof(hdr);
3632 /* Bad CRC. Ignore packet */
3633 if (le16_to_cpu(hdr.status) & 2)
3634 hdr.len = 0;
3635 if (ai->wifidev == NULL)
3636 hdr.len = 0;
3637 len = le16_to_cpu(hdr.len);
3638 if (len > AIRO_DEF_MTU) {
3639 airo_print_err(ai->dev->name, "Bad size %d", len);
3640 goto badrx;
3641 }
3642 if (len == 0)
3643 goto badrx;
3644
3645 fc = get_unaligned((__le16 *)ptr);
3646 hdrlen = header_len(fc);
3647
3648 skb = dev_alloc_skb( len + hdrlen + 2 );
3649 if ( !skb ) {
3650 ai->dev->stats.rx_dropped++;
3651 goto badrx;
3652 }
3653 buffer = (u16*)skb_put (skb, len + hdrlen);
3654 memcpy ((char *)buffer, ptr, hdrlen);
3655 ptr += hdrlen;
3656 if (hdrlen == 24)
3657 ptr += 6;
3658 gap = get_unaligned_le16(ptr);
3659 ptr += sizeof(__le16);
3660 if (gap) {
3661 if (gap <= 8)
3662 ptr += gap;
3663 else
3664 airo_print_err(ai->dev->name,
3665 "gaplen too big. Problems will follow...");
3666 }
3667 memcpy ((char *)buffer + hdrlen, ptr, len);
3668 ptr += len;
3669 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3670 if (ai->spy_data.spy_number > 0) {
3671 char *sa;
3672 struct iw_quality wstats;
3673 /* Prepare spy data : addr + qual */
3674 sa = (char*)buffer + 10;
3675 wstats.qual = hdr.rssi[0];
3676 if (ai->rssi)
3677 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3678 else
3679 wstats.level = (hdr.rssi[1] + 321) / 2;
3680 wstats.noise = ai->wstats.qual.noise;
3681 wstats.updated = IW_QUAL_QUAL_UPDATED
3682 | IW_QUAL_LEVEL_UPDATED
3683 | IW_QUAL_DBM;
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3686 }
3687 #endif /* IW_WIRELESS_SPY */
3688 skb_reset_mac_header(skb);
3689 skb->pkt_type = PACKET_OTHERHOST;
3690 skb->dev = ai->wifidev;
3691 skb->protocol = htons(ETH_P_802_2);
3692 skb->ip_summed = CHECKSUM_NONE;
3693 netif_rx( skb );
3694 badrx:
3695 if (rxd.valid == 0) {
3696 rxd.valid = 1;
3697 rxd.rdy = 0;
3698 rxd.len = PKTSIZE;
3699 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3700 }
3701 }
3702
3703 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3704 {
3705 Cmd cmd;
3706 Resp rsp;
3707 int status;
3708 int i;
3709 SsidRid mySsid;
3710 __le16 lastindex;
3711 WepKeyRid wkr;
3712 int rc;
3713
3714 memset( &mySsid, 0, sizeof( mySsid ) );
3715 kfree (ai->flash);
3716 ai->flash = NULL;
3717
3718 /* The NOP is the first step in getting the card going */
3719 cmd.cmd = NOP;
3720 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3721 if (lock && down_interruptible(&ai->sem))
3722 return ERROR;
3723 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3724 if (lock)
3725 up(&ai->sem);
3726 return ERROR;
3727 }
3728 disable_MAC( ai, 0);
3729
3730 // Let's figure out if we need to use the AUX port
3731 if (!test_bit(FLAG_MPI,&ai->flags)) {
3732 cmd.cmd = CMD_ENABLEAUX;
3733 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3734 if (lock)
3735 up(&ai->sem);
3736 airo_print_err(ai->dev->name, "Error checking for AUX port");
3737 return ERROR;
3738 }
3739 if (!aux_bap || rsp.status & 0xff00) {
3740 ai->bap_read = fast_bap_read;
3741 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3742 } else {
3743 ai->bap_read = aux_bap_read;
3744 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3745 }
3746 }
3747 if (lock)
3748 up(&ai->sem);
3749 if (ai->config.len == 0) {
3750 tdsRssiRid rssi_rid;
3751 CapabilityRid cap_rid;
3752
3753 kfree(ai->APList);
3754 ai->APList = NULL;
3755 kfree(ai->SSID);
3756 ai->SSID = NULL;
3757 // general configuration (read/modify/write)
3758 status = readConfigRid(ai, lock);
3759 if ( status != SUCCESS ) return ERROR;
3760
3761 status = readCapabilityRid(ai, &cap_rid, lock);
3762 if ( status != SUCCESS ) return ERROR;
3763
3764 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3765 if ( status == SUCCESS ) {
3766 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3767 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3768 }
3769 else {
3770 kfree(ai->rssi);
3771 ai->rssi = NULL;
3772 if (cap_rid.softCap & cpu_to_le16(8))
3773 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3774 else
3775 airo_print_warn(ai->dev->name, "unknown received signal "
3776 "level scale");
3777 }
3778 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3779 ai->config.authType = AUTH_OPEN;
3780 ai->config.modulation = MOD_CCK;
3781
3782 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3783 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3784 micsetup(ai) == SUCCESS) {
3785 ai->config.opmode |= MODE_MIC;
3786 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3787 }
3788
3789 /* Save off the MAC */
3790 for( i = 0; i < ETH_ALEN; i++ ) {
3791 mac[i] = ai->config.macAddr[i];
3792 }
3793
3794 /* Check to see if there are any insmod configured
3795 rates to add */
3796 if ( rates[0] ) {
3797 int i = 0;
3798 memset(ai->config.rates,0,sizeof(ai->config.rates));
3799 for( i = 0; i < 8 && rates[i]; i++ ) {
3800 ai->config.rates[i] = rates[i];
3801 }
3802 }
3803 if ( basic_rate > 0 ) {
3804 int i;
3805 for( i = 0; i < 8; i++ ) {
3806 if ( ai->config.rates[i] == basic_rate ||
3807 !ai->config.rates ) {
3808 ai->config.rates[i] = basic_rate | 0x80;
3809 break;
3810 }
3811 }
3812 }
3813 set_bit (FLAG_COMMIT, &ai->flags);
3814 }
3815
3816 /* Setup the SSIDs if present */
3817 if ( ssids[0] ) {
3818 int i;
3819 for( i = 0; i < 3 && ssids[i]; i++ ) {
3820 size_t len = strlen(ssids[i]);
3821 if (len > 32)
3822 len = 32;
3823 mySsid.ssids[i].len = cpu_to_le16(len);
3824 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3825 }
3826 mySsid.len = cpu_to_le16(sizeof(mySsid));
3827 }
3828
3829 status = writeConfigRid(ai, lock);
3830 if ( status != SUCCESS ) return ERROR;
3831
3832 /* Set up the SSID list */
3833 if ( ssids[0] ) {
3834 status = writeSsidRid(ai, &mySsid, lock);
3835 if ( status != SUCCESS ) return ERROR;
3836 }
3837
3838 status = enable_MAC(ai, lock);
3839 if (status != SUCCESS)
3840 return ERROR;
3841
3842 /* Grab the initial wep key, we gotta save it for auto_wep */
3843 rc = readWepKeyRid(ai, &wkr, 1, lock);
3844 if (rc == SUCCESS) do {
3845 lastindex = wkr.kindex;
3846 if (wkr.kindex == cpu_to_le16(0xffff)) {
3847 ai->defindex = wkr.mac[0];
3848 }
3849 rc = readWepKeyRid(ai, &wkr, 0, lock);
3850 } while(lastindex != wkr.kindex);
3851
3852 try_auto_wep(ai);
3853
3854 return SUCCESS;
3855 }
3856
3857 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3858 // Im really paranoid about letting it run forever!
3859 int max_tries = 600000;
3860
3861 if (IN4500(ai, EVSTAT) & EV_CMD)
3862 OUT4500(ai, EVACK, EV_CMD);
3863
3864 OUT4500(ai, PARAM0, pCmd->parm0);
3865 OUT4500(ai, PARAM1, pCmd->parm1);
3866 OUT4500(ai, PARAM2, pCmd->parm2);
3867 OUT4500(ai, COMMAND, pCmd->cmd);
3868
3869 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3870 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3871 // PC4500 didn't notice command, try again
3872 OUT4500(ai, COMMAND, pCmd->cmd);
3873 if (!in_atomic() && (max_tries & 255) == 0)
3874 schedule();
3875 }
3876
3877 if ( max_tries == -1 ) {
3878 airo_print_err(ai->dev->name,
3879 "Max tries exceeded when issueing command");
3880 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3881 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3882 return ERROR;
3883 }
3884
3885 // command completed
3886 pRsp->status = IN4500(ai, STATUS);
3887 pRsp->rsp0 = IN4500(ai, RESP0);
3888 pRsp->rsp1 = IN4500(ai, RESP1);
3889 pRsp->rsp2 = IN4500(ai, RESP2);
3890 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3891 airo_print_err(ai->dev->name,
3892 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3893 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3894 pRsp->rsp2);
3895
3896 // clear stuck command busy if necessary
3897 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3898 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3899 }
3900 // acknowledge processing the status/response
3901 OUT4500(ai, EVACK, EV_CMD);
3902
3903 return SUCCESS;
3904 }
3905
3906 /* Sets up the bap to start exchange data. whichbap should
3907 * be one of the BAP0 or BAP1 defines. Locks should be held before
3908 * calling! */
3909 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3910 {
3911 int timeout = 50;
3912 int max_tries = 3;
3913
3914 OUT4500(ai, SELECT0+whichbap, rid);
3915 OUT4500(ai, OFFSET0+whichbap, offset);
3916 while (1) {
3917 int status = IN4500(ai, OFFSET0+whichbap);
3918 if (status & BAP_BUSY) {
3919 /* This isn't really a timeout, but its kinda
3920 close */
3921 if (timeout--) {
3922 continue;
3923 }
3924 } else if ( status & BAP_ERR ) {
3925 /* invalid rid or offset */
3926 airo_print_err(ai->dev->name, "BAP error %x %d",
3927 status, whichbap );
3928 return ERROR;
3929 } else if (status & BAP_DONE) { // success
3930 return SUCCESS;
3931 }
3932 if ( !(max_tries--) ) {
3933 airo_print_err(ai->dev->name,
3934 "BAP setup error too many retries\n");
3935 return ERROR;
3936 }
3937 // -- PC4500 missed it, try again
3938 OUT4500(ai, SELECT0+whichbap, rid);
3939 OUT4500(ai, OFFSET0+whichbap, offset);
3940 timeout = 50;
3941 }
3942 }
3943
3944 /* should only be called by aux_bap_read. This aux function and the
3945 following use concepts not documented in the developers guide. I
3946 got them from a patch given to my by Aironet */
3947 static u16 aux_setup(struct airo_info *ai, u16 page,
3948 u16 offset, u16 *len)
3949 {
3950 u16 next;
3951
3952 OUT4500(ai, AUXPAGE, page);
3953 OUT4500(ai, AUXOFF, 0);
3954 next = IN4500(ai, AUXDATA);
3955 *len = IN4500(ai, AUXDATA)&0xff;
3956 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3957 return next;
3958 }
3959
3960 /* requires call to bap_setup() first */
3961 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3962 int bytelen, int whichbap)
3963 {
3964 u16 len;
3965 u16 page;
3966 u16 offset;
3967 u16 next;
3968 int words;
3969 int i;
3970 unsigned long flags;
3971
3972 spin_lock_irqsave(&ai->aux_lock, flags);
3973 page = IN4500(ai, SWS0+whichbap);
3974 offset = IN4500(ai, SWS2+whichbap);
3975 next = aux_setup(ai, page, offset, &len);
3976 words = (bytelen+1)>>1;
3977
3978 for (i=0; i<words;) {
3979 int count;
3980 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3981 if ( !do8bitIO )
3982 insw( ai->dev->base_addr+DATA0+whichbap,
3983 pu16Dst+i,count );
3984 else
3985 insb( ai->dev->base_addr+DATA0+whichbap,
3986 pu16Dst+i, count << 1 );
3987 i += count;
3988 if (i<words) {
3989 next = aux_setup(ai, next, 4, &len);
3990 }
3991 }
3992 spin_unlock_irqrestore(&ai->aux_lock, flags);
3993 return SUCCESS;
3994 }
3995
3996
3997 /* requires call to bap_setup() first */
3998 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3999 int bytelen, int whichbap)
4000 {
4001 bytelen = (bytelen + 1) & (~1); // round up to even value
4002 if ( !do8bitIO )
4003 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4004 else
4005 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4006 return SUCCESS;
4007 }
4008
4009 /* requires call to bap_setup() first */
4010 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4011 int bytelen, int whichbap)
4012 {
4013 bytelen = (bytelen + 1) & (~1); // round up to even value
4014 if ( !do8bitIO )
4015 outsw( ai->dev->base_addr+DATA0+whichbap,
4016 pu16Src, bytelen>>1 );
4017 else
4018 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4019 return SUCCESS;
4020 }
4021
4022 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4023 {
4024 Cmd cmd; /* for issuing commands */
4025 Resp rsp; /* response from commands */
4026 u16 status;
4027
4028 memset(&cmd, 0, sizeof(cmd));
4029 cmd.cmd = accmd;
4030 cmd.parm0 = rid;
4031 status = issuecommand(ai, &cmd, &rsp);
4032 if (status != 0) return status;
4033 if ( (rsp.status & 0x7F00) != 0) {
4034 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4035 }
4036 return 0;
4037 }
4038
4039 /* Note, that we are using BAP1 which is also used by transmit, so
4040 * we must get a lock. */
4041 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4042 {
4043 u16 status;
4044 int rc = SUCCESS;
4045
4046 if (lock) {
4047 if (down_interruptible(&ai->sem))
4048 return ERROR;
4049 }
4050 if (test_bit(FLAG_MPI,&ai->flags)) {
4051 Cmd cmd;
4052 Resp rsp;
4053
4054 memset(&cmd, 0, sizeof(cmd));
4055 memset(&rsp, 0, sizeof(rsp));
4056 ai->config_desc.rid_desc.valid = 1;
4057 ai->config_desc.rid_desc.len = RIDSIZE;
4058 ai->config_desc.rid_desc.rid = 0;
4059 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4060
4061 cmd.cmd = CMD_ACCESS;
4062 cmd.parm0 = rid;
4063
4064 memcpy_toio(ai->config_desc.card_ram_off,
4065 &ai->config_desc.rid_desc, sizeof(Rid));
4066
4067 rc = issuecommand(ai, &cmd, &rsp);
4068
4069 if (rsp.status & 0x7f00)
4070 rc = rsp.rsp0;
4071 if (!rc)
4072 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4073 goto done;
4074 } else {
4075 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4076 rc = status;
4077 goto done;
4078 }
4079 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4080 rc = ERROR;
4081 goto done;
4082 }
4083 // read the rid length field
4084 bap_read(ai, pBuf, 2, BAP1);
4085 // length for remaining part of rid
4086 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4087
4088 if ( len <= 2 ) {
4089 airo_print_err(ai->dev->name,
4090 "Rid %x has a length of %d which is too short",
4091 (int)rid, (int)len );
4092 rc = ERROR;
4093 goto done;
4094 }
4095 // read remainder of the rid
4096 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4097 }
4098 done:
4099 if (lock)
4100 up(&ai->sem);
4101 return rc;
4102 }
4103
4104 /* Note, that we are using BAP1 which is also used by transmit, so
4105 * make sure this isnt called when a transmit is happening */
4106 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4107 const void *pBuf, int len, int lock)
4108 {
4109 u16 status;
4110 int rc = SUCCESS;
4111
4112 *(__le16*)pBuf = cpu_to_le16((u16)len);
4113
4114 if (lock) {
4115 if (down_interruptible(&ai->sem))
4116 return ERROR;
4117 }
4118 if (test_bit(FLAG_MPI,&ai->flags)) {
4119 Cmd cmd;
4120 Resp rsp;
4121
4122 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4123 airo_print_err(ai->dev->name,
4124 "%s: MAC should be disabled (rid=%04x)",
4125 __func__, rid);
4126 memset(&cmd, 0, sizeof(cmd));
4127 memset(&rsp, 0, sizeof(rsp));
4128
4129 ai->config_desc.rid_desc.valid = 1;
4130 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4131 ai->config_desc.rid_desc.rid = 0;
4132
4133 cmd.cmd = CMD_WRITERID;
4134 cmd.parm0 = rid;
4135
4136 memcpy_toio(ai->config_desc.card_ram_off,
4137 &ai->config_desc.rid_desc, sizeof(Rid));
4138
4139 if (len < 4 || len > 2047) {
4140 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4141 rc = -1;
4142 } else {
4143 memcpy((char *)ai->config_desc.virtual_host_addr,
4144 pBuf, len);
4145
4146 rc = issuecommand(ai, &cmd, &rsp);
4147 if ((rc & 0xff00) != 0) {
4148 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4149 __func__, rc);
4150 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4151 __func__, cmd.cmd);
4152 }
4153
4154 if ((rsp.status & 0x7f00))
4155 rc = rsp.rsp0;
4156 }
4157 } else {
4158 // --- first access so that we can write the rid data
4159 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4160 rc = status;
4161 goto done;
4162 }
4163 // --- now write the rid data
4164 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4165 rc = ERROR;
4166 goto done;
4167 }
4168 bap_write(ai, pBuf, len, BAP1);
4169 // ---now commit the rid data
4170 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4171 }
4172 done:
4173 if (lock)
4174 up(&ai->sem);
4175 return rc;
4176 }
4177
4178 /* Allocates a FID to be used for transmitting packets. We only use
4179 one for now. */
4180 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4181 {
4182 unsigned int loop = 3000;
4183 Cmd cmd;
4184 Resp rsp;
4185 u16 txFid;
4186 __le16 txControl;
4187
4188 cmd.cmd = CMD_ALLOCATETX;
4189 cmd.parm0 = lenPayload;
4190 if (down_interruptible(&ai->sem))
4191 return ERROR;
4192 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4193 txFid = ERROR;
4194 goto done;
4195 }
4196 if ( (rsp.status & 0xFF00) != 0) {
4197 txFid = ERROR;
4198 goto done;
4199 }
4200 /* wait for the allocate event/indication
4201 * It makes me kind of nervous that this can just sit here and spin,
4202 * but in practice it only loops like four times. */
4203 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4204 if (!loop) {
4205 txFid = ERROR;
4206 goto done;
4207 }
4208
4209 // get the allocated fid and acknowledge
4210 txFid = IN4500(ai, TXALLOCFID);
4211 OUT4500(ai, EVACK, EV_ALLOC);
4212
4213 /* The CARD is pretty cool since it converts the ethernet packet
4214 * into 802.11. Also note that we don't release the FID since we
4215 * will be using the same one over and over again. */
4216 /* We only have to setup the control once since we are not
4217 * releasing the fid. */
4218 if (raw)
4219 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4220 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4221 else
4222 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4223 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4224 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4225 txFid = ERROR;
4226 else
4227 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4228
4229 done:
4230 up(&ai->sem);
4231
4232 return txFid;
4233 }
4234
4235 /* In general BAP1 is dedicated to transmiting packets. However,
4236 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4237 Make sure the BAP1 spinlock is held when this is called. */
4238 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4239 {
4240 __le16 payloadLen;
4241 Cmd cmd;
4242 Resp rsp;
4243 int miclen = 0;
4244 u16 txFid = len;
4245 MICBuffer pMic;
4246
4247 len >>= 16;
4248
4249 if (len <= ETH_ALEN * 2) {
4250 airo_print_warn(ai->dev->name, "Short packet %d", len);
4251 return ERROR;
4252 }
4253 len -= ETH_ALEN * 2;
4254
4255 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4256 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4257 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4258 return ERROR;
4259 miclen = sizeof(pMic);
4260 }
4261 // packet is destination[6], source[6], payload[len-12]
4262 // write the payload length and dst/src/payload
4263 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4264 /* The hardware addresses aren't counted as part of the payload, so
4265 * we have to subtract the 12 bytes for the addresses off */
4266 payloadLen = cpu_to_le16(len + miclen);
4267 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4268 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4269 if (miclen)
4270 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4271 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4272 // issue the transmit command
4273 memset( &cmd, 0, sizeof( cmd ) );
4274 cmd.cmd = CMD_TRANSMIT;
4275 cmd.parm0 = txFid;
4276 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4277 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4278 return SUCCESS;
4279 }
4280
4281 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4282 {
4283 __le16 fc, payloadLen;
4284 Cmd cmd;
4285 Resp rsp;
4286 int hdrlen;
4287 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4288 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4289 u16 txFid = len;
4290 len >>= 16;
4291
4292 fc = *(__le16*)pPacket;
4293 hdrlen = header_len(fc);
4294
4295 if (len < hdrlen) {
4296 airo_print_warn(ai->dev->name, "Short packet %d", len);
4297 return ERROR;
4298 }
4299
4300 /* packet is 802.11 header + payload
4301 * write the payload length and dst/src/payload */
4302 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4303 /* The 802.11 header aren't counted as part of the payload, so
4304 * we have to subtract the header bytes off */
4305 payloadLen = cpu_to_le16(len-hdrlen);
4306 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4307 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4308 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4309 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4310
4311 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4312 // issue the transmit command
4313 memset( &cmd, 0, sizeof( cmd ) );
4314 cmd.cmd = CMD_TRANSMIT;
4315 cmd.parm0 = txFid;
4316 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4317 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4318 return SUCCESS;
4319 }
4320
4321 /*
4322 * This is the proc_fs routines. It is a bit messier than I would
4323 * like! Feel free to clean it up!
4324 */
4325
4326 static ssize_t proc_read( struct file *file,
4327 char __user *buffer,
4328 size_t len,
4329 loff_t *offset);
4330
4331 static ssize_t proc_write( struct file *file,
4332 const char __user *buffer,
4333 size_t len,
4334 loff_t *offset );
4335 static int proc_close( struct inode *inode, struct file *file );
4336
4337 static int proc_stats_open( struct inode *inode, struct file *file );
4338 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4339 static int proc_status_open( struct inode *inode, struct file *file );
4340 static int proc_SSID_open( struct inode *inode, struct file *file );
4341 static int proc_APList_open( struct inode *inode, struct file *file );
4342 static int proc_BSSList_open( struct inode *inode, struct file *file );
4343 static int proc_config_open( struct inode *inode, struct file *file );
4344 static int proc_wepkey_open( struct inode *inode, struct file *file );
4345
4346 static const struct file_operations proc_statsdelta_ops = {
4347 .owner = THIS_MODULE,
4348 .read = proc_read,
4349 .open = proc_statsdelta_open,
4350 .release = proc_close
4351 };
4352
4353 static const struct file_operations proc_stats_ops = {
4354 .owner = THIS_MODULE,
4355 .read = proc_read,
4356 .open = proc_stats_open,
4357 .release = proc_close
4358 };
4359
4360 static const struct file_operations proc_status_ops = {
4361 .owner = THIS_MODULE,
4362 .read = proc_read,
4363 .open = proc_status_open,
4364 .release = proc_close
4365 };
4366
4367 static const struct file_operations proc_SSID_ops = {
4368 .owner = THIS_MODULE,
4369 .read = proc_read,
4370 .write = proc_write,
4371 .open = proc_SSID_open,
4372 .release = proc_close
4373 };
4374
4375 static const struct file_operations proc_BSSList_ops = {
4376 .owner = THIS_MODULE,
4377 .read = proc_read,
4378 .write = proc_write,
4379 .open = proc_BSSList_open,
4380 .release = proc_close
4381 };
4382
4383 static const struct file_operations proc_APList_ops = {
4384 .owner = THIS_MODULE,
4385 .read = proc_read,
4386 .write = proc_write,
4387 .open = proc_APList_open,
4388 .release = proc_close
4389 };
4390
4391 static const struct file_operations proc_config_ops = {
4392 .owner = THIS_MODULE,
4393 .read = proc_read,
4394 .write = proc_write,
4395 .open = proc_config_open,
4396 .release = proc_close
4397 };
4398
4399 static const struct file_operations proc_wepkey_ops = {
4400 .owner = THIS_MODULE,
4401 .read = proc_read,
4402 .write = proc_write,
4403 .open = proc_wepkey_open,
4404 .release = proc_close
4405 };
4406
4407 static struct proc_dir_entry *airo_entry;
4408
4409 struct proc_data {
4410 int release_buffer;
4411 int readlen;
4412 char *rbuffer;
4413 int writelen;
4414 int maxwritelen;
4415 char *wbuffer;
4416 void (*on_close) (struct inode *, struct file *);
4417 };
4418
4419 static int setup_proc_entry( struct net_device *dev,
4420 struct airo_info *apriv ) {
4421 struct proc_dir_entry *entry;
4422 /* First setup the device directory */
4423 strcpy(apriv->proc_name,dev->name);
4424 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4425 S_IFDIR|airo_perm,
4426 airo_entry);
4427 if (!apriv->proc_entry)
4428 goto fail;
4429 apriv->proc_entry->uid = proc_uid;
4430 apriv->proc_entry->gid = proc_gid;
4431 apriv->proc_entry->owner = THIS_MODULE;
4432
4433 /* Setup the StatsDelta */
4434 entry = proc_create_data("StatsDelta",
4435 S_IFREG | (S_IRUGO&proc_perm),
4436 apriv->proc_entry, &proc_statsdelta_ops, dev);
4437 if (!entry)
4438 goto fail_stats_delta;
4439 entry->uid = proc_uid;
4440 entry->gid = proc_gid;
4441
4442 /* Setup the Stats */
4443 entry = proc_create_data("Stats",
4444 S_IFREG | (S_IRUGO&proc_perm),
4445 apriv->proc_entry, &proc_stats_ops, dev);
4446 if (!entry)
4447 goto fail_stats;
4448 entry->uid = proc_uid;
4449 entry->gid = proc_gid;
4450
4451 /* Setup the Status */
4452 entry = proc_create_data("Status",
4453 S_IFREG | (S_IRUGO&proc_perm),
4454 apriv->proc_entry, &proc_status_ops, dev);
4455 if (!entry)
4456 goto fail_status;
4457 entry->uid = proc_uid;
4458 entry->gid = proc_gid;
4459
4460 /* Setup the Config */
4461 entry = proc_create_data("Config",
4462 S_IFREG | proc_perm,
4463 apriv->proc_entry, &proc_config_ops, dev);
4464 if (!entry)
4465 goto fail_config;
4466 entry->uid = proc_uid;
4467 entry->gid = proc_gid;
4468
4469 /* Setup the SSID */
4470 entry = proc_create_data("SSID",
4471 S_IFREG | proc_perm,
4472 apriv->proc_entry, &proc_SSID_ops, dev);
4473 if (!entry)
4474 goto fail_ssid;
4475 entry->uid = proc_uid;
4476 entry->gid = proc_gid;
4477
4478 /* Setup the APList */
4479 entry = proc_create_data("APList",
4480 S_IFREG | proc_perm,
4481 apriv->proc_entry, &proc_APList_ops, dev);
4482 if (!entry)
4483 goto fail_aplist;
4484 entry->uid = proc_uid;
4485 entry->gid = proc_gid;
4486
4487 /* Setup the BSSList */
4488 entry = proc_create_data("BSSList",
4489 S_IFREG | proc_perm,
4490 apriv->proc_entry, &proc_BSSList_ops, dev);
4491 if (!entry)
4492 goto fail_bsslist;
4493 entry->uid = proc_uid;
4494 entry->gid = proc_gid;
4495
4496 /* Setup the WepKey */
4497 entry = proc_create_data("WepKey",
4498 S_IFREG | proc_perm,
4499 apriv->proc_entry, &proc_wepkey_ops, dev);
4500 if (!entry)
4501 goto fail_wepkey;
4502 entry->uid = proc_uid;
4503 entry->gid = proc_gid;
4504
4505 return 0;
4506
4507 fail_wepkey:
4508 remove_proc_entry("BSSList", apriv->proc_entry);
4509 fail_bsslist:
4510 remove_proc_entry("APList", apriv->proc_entry);
4511 fail_aplist:
4512 remove_proc_entry("SSID", apriv->proc_entry);
4513 fail_ssid:
4514 remove_proc_entry("Config", apriv->proc_entry);
4515 fail_config:
4516 remove_proc_entry("Status", apriv->proc_entry);
4517 fail_status:
4518 remove_proc_entry("Stats", apriv->proc_entry);
4519 fail_stats:
4520 remove_proc_entry("StatsDelta", apriv->proc_entry);
4521 fail_stats_delta:
4522 remove_proc_entry(apriv->proc_name, airo_entry);
4523 fail:
4524 return -ENOMEM;
4525 }
4526
4527 static int takedown_proc_entry( struct net_device *dev,
4528 struct airo_info *apriv ) {
4529 if ( !apriv->proc_entry->namelen ) return 0;
4530 remove_proc_entry("Stats",apriv->proc_entry);
4531 remove_proc_entry("StatsDelta",apriv->proc_entry);
4532 remove_proc_entry("Status",apriv->proc_entry);
4533 remove_proc_entry("Config",apriv->proc_entry);
4534 remove_proc_entry("SSID",apriv->proc_entry);
4535 remove_proc_entry("APList",apriv->proc_entry);
4536 remove_proc_entry("BSSList",apriv->proc_entry);
4537 remove_proc_entry("WepKey",apriv->proc_entry);
4538 remove_proc_entry(apriv->proc_name,airo_entry);
4539 return 0;
4540 }
4541
4542 /*
4543 * What we want from the proc_fs is to be able to efficiently read
4544 * and write the configuration. To do this, we want to read the
4545 * configuration when the file is opened and write it when the file is
4546 * closed. So basically we allocate a read buffer at open and fill it
4547 * with data, and allocate a write buffer and read it at close.
4548 */
4549
4550 /*
4551 * The read routine is generic, it relies on the preallocated rbuffer
4552 * to supply the data.
4553 */
4554 static ssize_t proc_read( struct file *file,
4555 char __user *buffer,
4556 size_t len,
4557 loff_t *offset )
4558 {
4559 struct proc_data *priv = file->private_data;
4560
4561 if (!priv->rbuffer)
4562 return -EINVAL;
4563
4564 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4565 priv->readlen);
4566 }
4567
4568 /*
4569 * The write routine is generic, it fills in a preallocated rbuffer
4570 * to supply the data.
4571 */
4572 static ssize_t proc_write( struct file *file,
4573 const char __user *buffer,
4574 size_t len,
4575 loff_t *offset )
4576 {
4577 loff_t pos = *offset;
4578 struct proc_data *priv = (struct proc_data*)file->private_data;
4579
4580 if (!priv->wbuffer)
4581 return -EINVAL;
4582
4583 if (pos < 0)
4584 return -EINVAL;
4585 if (pos >= priv->maxwritelen)
4586 return 0;
4587 if (len > priv->maxwritelen - pos)
4588 len = priv->maxwritelen - pos;
4589 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4590 return -EFAULT;
4591 if ( pos + len > priv->writelen )
4592 priv->writelen = len + file->f_pos;
4593 *offset = pos + len;
4594 return len;
4595 }
4596
4597 static int proc_status_open(struct inode *inode, struct file *file)
4598 {
4599 struct proc_data *data;
4600 struct proc_dir_entry *dp = PDE(inode);
4601 struct net_device *dev = dp->data;
4602 struct airo_info *apriv = dev->ml_priv;
4603 CapabilityRid cap_rid;
4604 StatusRid status_rid;
4605 u16 mode;
4606 int i;
4607
4608 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4609 return -ENOMEM;
4610 data = (struct proc_data *)file->private_data;
4611 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4612 kfree (file->private_data);
4613 return -ENOMEM;
4614 }
4615
4616 readStatusRid(apriv, &status_rid, 1);
4617 readCapabilityRid(apriv, &cap_rid, 1);
4618
4619 mode = le16_to_cpu(status_rid.mode);
4620
4621 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4622 mode & 1 ? "CFG ": "",
4623 mode & 2 ? "ACT ": "",
4624 mode & 0x10 ? "SYN ": "",
4625 mode & 0x20 ? "LNK ": "",
4626 mode & 0x40 ? "LEAP ": "",
4627 mode & 0x80 ? "PRIV ": "",
4628 mode & 0x100 ? "KEY ": "",
4629 mode & 0x200 ? "WEP ": "",
4630 mode & 0x8000 ? "ERR ": "");
4631 sprintf( data->rbuffer+i, "Mode: %x\n"
4632 "Signal Strength: %d\n"
4633 "Signal Quality: %d\n"
4634 "SSID: %-.*s\n"
4635 "AP: %-.16s\n"
4636 "Freq: %d\n"
4637 "BitRate: %dmbs\n"
4638 "Driver Version: %s\n"
4639 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4640 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4641 "Software Version: %x\nSoftware Subversion: %x\n"
4642 "Boot block version: %x\n",
4643 le16_to_cpu(status_rid.mode),
4644 le16_to_cpu(status_rid.normalizedSignalStrength),
4645 le16_to_cpu(status_rid.signalQuality),
4646 le16_to_cpu(status_rid.SSIDlen),
4647 status_rid.SSID,
4648 status_rid.apName,
4649 le16_to_cpu(status_rid.channel),
4650 le16_to_cpu(status_rid.currentXmitRate) / 2,
4651 version,
4652 cap_rid.prodName,
4653 cap_rid.manName,
4654 cap_rid.prodVer,
4655 le16_to_cpu(cap_rid.radioType),
4656 le16_to_cpu(cap_rid.country),
4657 le16_to_cpu(cap_rid.hardVer),
4658 le16_to_cpu(cap_rid.softVer),
4659 le16_to_cpu(cap_rid.softSubVer),
4660 le16_to_cpu(cap_rid.bootBlockVer));
4661 data->readlen = strlen( data->rbuffer );
4662 return 0;
4663 }
4664
4665 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4666 static int proc_statsdelta_open( struct inode *inode,
4667 struct file *file ) {
4668 if (file->f_mode&FMODE_WRITE) {
4669 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4670 }
4671 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4672 }
4673
4674 static int proc_stats_open( struct inode *inode, struct file *file ) {
4675 return proc_stats_rid_open(inode, file, RID_STATS);
4676 }
4677
4678 static int proc_stats_rid_open( struct inode *inode,
4679 struct file *file,
4680 u16 rid )
4681 {
4682 struct proc_data *data;
4683 struct proc_dir_entry *dp = PDE(inode);
4684 struct net_device *dev = dp->data;
4685 struct airo_info *apriv = dev->ml_priv;
4686 StatsRid stats;
4687 int i, j;
4688 __le32 *vals = stats.vals;
4689 int len = le16_to_cpu(stats.len);
4690
4691 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4692 return -ENOMEM;
4693 data = (struct proc_data *)file->private_data;
4694 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4695 kfree (file->private_data);
4696 return -ENOMEM;
4697 }
4698
4699 readStatsRid(apriv, &stats, rid, 1);
4700
4701 j = 0;
4702 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4703 if (!statsLabels[i]) continue;
4704 if (j+strlen(statsLabels[i])+16>4096) {
4705 airo_print_warn(apriv->dev->name,
4706 "Potentially disasterous buffer overflow averted!");
4707 break;
4708 }
4709 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4710 le32_to_cpu(vals[i]));
4711 }
4712 if (i*4 >= len) {
4713 airo_print_warn(apriv->dev->name, "Got a short rid");
4714 }
4715 data->readlen = j;
4716 return 0;
4717 }
4718
4719 static int get_dec_u16( char *buffer, int *start, int limit ) {
4720 u16 value;
4721 int valid = 0;
4722 for( value = 0; buffer[*start] >= '0' &&
4723 buffer[*start] <= '9' &&
4724 *start < limit; (*start)++ ) {
4725 valid = 1;
4726 value *= 10;
4727 value += buffer[*start] - '0';
4728 }
4729 if ( !valid ) return -1;
4730 return value;
4731 }
4732
4733 static int airo_config_commit(struct net_device *dev,
4734 struct iw_request_info *info, void *zwrq,
4735 char *extra);
4736
4737 static inline int sniffing_mode(struct airo_info *ai)
4738 {
4739 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4740 le16_to_cpu(RXMODE_RFMON);
4741 }
4742
4743 static void proc_config_on_close(struct inode *inode, struct file *file)
4744 {
4745 struct proc_data *data = file->private_data;
4746 struct proc_dir_entry *dp = PDE(inode);
4747 struct net_device *dev = dp->data;
4748 struct airo_info *ai = dev->ml_priv;
4749 char *line;
4750
4751 if ( !data->writelen ) return;
4752
4753 readConfigRid(ai, 1);
4754 set_bit (FLAG_COMMIT, &ai->flags);
4755
4756 line = data->wbuffer;
4757 while( line[0] ) {
4758 /*** Mode processing */
4759 if ( !strncmp( line, "Mode: ", 6 ) ) {
4760 line += 6;
4761 if (sniffing_mode(ai))
4762 set_bit (FLAG_RESET, &ai->flags);
4763 ai->config.rmode &= ~RXMODE_FULL_MASK;
4764 clear_bit (FLAG_802_11, &ai->flags);
4765 ai->config.opmode &= ~MODE_CFG_MASK;
4766 ai->config.scanMode = SCANMODE_ACTIVE;
4767 if ( line[0] == 'a' ) {
4768 ai->config.opmode |= MODE_STA_IBSS;
4769 } else {
4770 ai->config.opmode |= MODE_STA_ESS;
4771 if ( line[0] == 'r' ) {
4772 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4773 ai->config.scanMode = SCANMODE_PASSIVE;
4774 set_bit (FLAG_802_11, &ai->flags);
4775 } else if ( line[0] == 'y' ) {
4776 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4777 ai->config.scanMode = SCANMODE_PASSIVE;
4778 set_bit (FLAG_802_11, &ai->flags);
4779 } else if ( line[0] == 'l' )
4780 ai->config.rmode |= RXMODE_LANMON;
4781 }
4782 set_bit (FLAG_COMMIT, &ai->flags);
4783 }
4784
4785 /*** Radio status */
4786 else if (!strncmp(line,"Radio: ", 7)) {
4787 line += 7;
4788 if (!strncmp(line,"off",3)) {
4789 set_bit (FLAG_RADIO_OFF, &ai->flags);
4790 } else {
4791 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4792 }
4793 }
4794 /*** NodeName processing */
4795 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4796 int j;
4797
4798 line += 10;
4799 memset( ai->config.nodeName, 0, 16 );
4800 /* Do the name, assume a space between the mode and node name */
4801 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4802 ai->config.nodeName[j] = line[j];
4803 }
4804 set_bit (FLAG_COMMIT, &ai->flags);
4805 }
4806
4807 /*** PowerMode processing */
4808 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4809 line += 11;
4810 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4811 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4812 set_bit (FLAG_COMMIT, &ai->flags);
4813 } else if ( !strncmp( line, "PSP", 3 ) ) {
4814 ai->config.powerSaveMode = POWERSAVE_PSP;
4815 set_bit (FLAG_COMMIT, &ai->flags);
4816 } else {
4817 ai->config.powerSaveMode = POWERSAVE_CAM;
4818 set_bit (FLAG_COMMIT, &ai->flags);
4819 }
4820 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4821 int v, i = 0, k = 0; /* i is index into line,
4822 k is index to rates */
4823
4824 line += 11;
4825 while((v = get_dec_u16(line, &i, 3))!=-1) {
4826 ai->config.rates[k++] = (u8)v;
4827 line += i + 1;
4828 i = 0;
4829 }
4830 set_bit (FLAG_COMMIT, &ai->flags);
4831 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4832 int v, i = 0;
4833 line += 9;
4834 v = get_dec_u16(line, &i, i+3);
4835 if ( v != -1 ) {
4836 ai->config.channelSet = cpu_to_le16(v);
4837 set_bit (FLAG_COMMIT, &ai->flags);
4838 }
4839 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4840 int v, i = 0;
4841 line += 11;
4842 v = get_dec_u16(line, &i, i+3);
4843 if ( v != -1 ) {
4844 ai->config.txPower = cpu_to_le16(v);
4845 set_bit (FLAG_COMMIT, &ai->flags);
4846 }
4847 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4848 line += 5;
4849 switch( line[0] ) {
4850 case 's':
4851 ai->config.authType = AUTH_SHAREDKEY;
4852 break;
4853 case 'e':
4854 ai->config.authType = AUTH_ENCRYPT;
4855 break;
4856 default:
4857 ai->config.authType = AUTH_OPEN;
4858 break;
4859 }
4860 set_bit (FLAG_COMMIT, &ai->flags);
4861 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4862 int v, i = 0;
4863
4864 line += 16;
4865 v = get_dec_u16(line, &i, 3);
4866 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4867 ai->config.longRetryLimit = cpu_to_le16(v);
4868 set_bit (FLAG_COMMIT, &ai->flags);
4869 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4870 int v, i = 0;
4871
4872 line += 17;
4873 v = get_dec_u16(line, &i, 3);
4874 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4875 ai->config.shortRetryLimit = cpu_to_le16(v);
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4878 int v, i = 0;
4879
4880 line += 14;
4881 v = get_dec_u16(line, &i, 4);
4882 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4883 ai->config.rtsThres = cpu_to_le16(v);
4884 set_bit (FLAG_COMMIT, &ai->flags);
4885 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4886 int v, i = 0;
4887
4888 line += 16;
4889 v = get_dec_u16(line, &i, 5);
4890 v = (v<0) ? 0 : v;
4891 ai->config.txLifetime = cpu_to_le16(v);
4892 set_bit (FLAG_COMMIT, &ai->flags);
4893 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4894 int v, i = 0;
4895
4896 line += 16;
4897 v = get_dec_u16(line, &i, 5);
4898 v = (v<0) ? 0 : v;
4899 ai->config.rxLifetime = cpu_to_le16(v);
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4902 ai->config.txDiversity =
4903 (line[13]=='l') ? 1 :
4904 ((line[13]=='r')? 2: 3);
4905 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4907 ai->config.rxDiversity =
4908 (line[13]=='l') ? 1 :
4909 ((line[13]=='r')? 2: 3);
4910 set_bit (FLAG_COMMIT, &ai->flags);
4911 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4912 int v, i = 0;
4913
4914 line += 15;
4915 v = get_dec_u16(line, &i, 4);
4916 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4917 v = v & 0xfffe; /* Make sure its even */
4918 ai->config.fragThresh = cpu_to_le16(v);
4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 } else if (!strncmp(line, "Modulation: ", 12)) {
4921 line += 12;
4922 switch(*line) {
4923 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4924 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4925 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4926 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4927 }
4928 } else if (!strncmp(line, "Preamble: ", 10)) {
4929 line += 10;
4930 switch(*line) {
4931 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4932 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4933 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4934 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4935 }
4936 } else {
4937 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4938 }
4939 while( line[0] && line[0] != '\n' ) line++;
4940 if ( line[0] ) line++;
4941 }
4942 airo_config_commit(dev, NULL, NULL, NULL);
4943 }
4944
4945 static char *get_rmode(__le16 mode)
4946 {
4947 switch(mode & RXMODE_MASK) {
4948 case RXMODE_RFMON: return "rfmon";
4949 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4950 case RXMODE_LANMON: return "lanmon";
4951 }
4952 return "ESS";
4953 }
4954
4955 static int proc_config_open(struct inode *inode, struct file *file)
4956 {
4957 struct proc_data *data;
4958 struct proc_dir_entry *dp = PDE(inode);
4959 struct net_device *dev = dp->data;
4960 struct airo_info *ai = dev->ml_priv;
4961 int i;
4962 __le16 mode;
4963
4964 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4965 return -ENOMEM;
4966 data = (struct proc_data *)file->private_data;
4967 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4968 kfree (file->private_data);
4969 return -ENOMEM;
4970 }
4971 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
4972 kfree (data->rbuffer);
4973 kfree (file->private_data);
4974 return -ENOMEM;
4975 }
4976 data->maxwritelen = 2048;
4977 data->on_close = proc_config_on_close;
4978
4979 readConfigRid(ai, 1);
4980
4981 mode = ai->config.opmode & MODE_CFG_MASK;
4982 i = sprintf( data->rbuffer,
4983 "Mode: %s\n"
4984 "Radio: %s\n"
4985 "NodeName: %-16s\n"
4986 "PowerMode: %s\n"
4987 "DataRates: %d %d %d %d %d %d %d %d\n"
4988 "Channel: %d\n"
4989 "XmitPower: %d\n",
4990 mode == MODE_STA_IBSS ? "adhoc" :
4991 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
4992 mode == MODE_AP ? "AP" :
4993 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
4994 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4995 ai->config.nodeName,
4996 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
4997 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
4998 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
4999 "Error",
5000 (int)ai->config.rates[0],
5001 (int)ai->config.rates[1],
5002 (int)ai->config.rates[2],
5003 (int)ai->config.rates[3],
5004 (int)ai->config.rates[4],
5005 (int)ai->config.rates[5],
5006 (int)ai->config.rates[6],
5007 (int)ai->config.rates[7],
5008 le16_to_cpu(ai->config.channelSet),
5009 le16_to_cpu(ai->config.txPower)
5010 );
5011 sprintf( data->rbuffer + i,
5012 "LongRetryLimit: %d\n"
5013 "ShortRetryLimit: %d\n"
5014 "RTSThreshold: %d\n"
5015 "TXMSDULifetime: %d\n"
5016 "RXMSDULifetime: %d\n"
5017 "TXDiversity: %s\n"
5018 "RXDiversity: %s\n"
5019 "FragThreshold: %d\n"
5020 "WEP: %s\n"
5021 "Modulation: %s\n"
5022 "Preamble: %s\n",
5023 le16_to_cpu(ai->config.longRetryLimit),
5024 le16_to_cpu(ai->config.shortRetryLimit),
5025 le16_to_cpu(ai->config.rtsThres),
5026 le16_to_cpu(ai->config.txLifetime),
5027 le16_to_cpu(ai->config.rxLifetime),
5028 ai->config.txDiversity == 1 ? "left" :
5029 ai->config.txDiversity == 2 ? "right" : "both",
5030 ai->config.rxDiversity == 1 ? "left" :
5031 ai->config.rxDiversity == 2 ? "right" : "both",
5032 le16_to_cpu(ai->config.fragThresh),
5033 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5034 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5035 ai->config.modulation == MOD_DEFAULT ? "default" :
5036 ai->config.modulation == MOD_CCK ? "cck" :
5037 ai->config.modulation == MOD_MOK ? "mok" : "error",
5038 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5039 ai->config.preamble == PREAMBLE_LONG ? "long" :
5040 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5041 );
5042 data->readlen = strlen( data->rbuffer );
5043 return 0;
5044 }
5045
5046 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5047 {
5048 struct proc_data *data = (struct proc_data *)file->private_data;
5049 struct proc_dir_entry *dp = PDE(inode);
5050 struct net_device *dev = dp->data;
5051 struct airo_info *ai = dev->ml_priv;
5052 SsidRid SSID_rid;
5053 int i;
5054 char *p = data->wbuffer;
5055 char *end = p + data->writelen;
5056
5057 if (!data->writelen)
5058 return;
5059
5060 *end = '\n'; /* sentinel; we have space for it */
5061
5062 memset(&SSID_rid, 0, sizeof(SSID_rid));
5063
5064 for (i = 0; i < 3 && p < end; i++) {
5065 int j = 0;
5066 /* copy up to 32 characters from this line */
5067 while (*p != '\n' && j < 32)
5068 SSID_rid.ssids[i].ssid[j++] = *p++;
5069 if (j == 0)
5070 break;
5071 SSID_rid.ssids[i].len = cpu_to_le16(j);
5072 /* skip to the beginning of the next line */
5073 while (*p++ != '\n')
5074 ;
5075 }
5076 if (i)
5077 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5078 disable_MAC(ai, 1);
5079 writeSsidRid(ai, &SSID_rid, 1);
5080 enable_MAC(ai, 1);
5081 }
5082
5083 static inline u8 hexVal(char c) {
5084 if (c>='0' && c<='9') return c -= '0';
5085 if (c>='a' && c<='f') return c -= 'a'-10;
5086 if (c>='A' && c<='F') return c -= 'A'-10;
5087 return 0;
5088 }
5089
5090 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5091 struct proc_data *data = (struct proc_data *)file->private_data;
5092 struct proc_dir_entry *dp = PDE(inode);
5093 struct net_device *dev = dp->data;
5094 struct airo_info *ai = dev->ml_priv;
5095 APListRid APList_rid;
5096 int i;
5097
5098 if ( !data->writelen ) return;
5099
5100 memset( &APList_rid, 0, sizeof(APList_rid) );
5101 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5102
5103 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5104 int j;
5105 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5106 switch(j%3) {
5107 case 0:
5108 APList_rid.ap[i][j/3]=
5109 hexVal(data->wbuffer[j+i*6*3])<<4;
5110 break;
5111 case 1:
5112 APList_rid.ap[i][j/3]|=
5113 hexVal(data->wbuffer[j+i*6*3]);
5114 break;
5115 }
5116 }
5117 }
5118 disable_MAC(ai, 1);
5119 writeAPListRid(ai, &APList_rid, 1);
5120 enable_MAC(ai, 1);
5121 }
5122
5123 /* This function wraps PC4500_writerid with a MAC disable */
5124 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5125 int len, int dummy ) {
5126 int rc;
5127
5128 disable_MAC(ai, 1);
5129 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5130 enable_MAC(ai, 1);
5131 return rc;
5132 }
5133
5134 /* Returns the length of the key at the index. If index == 0xffff
5135 * the index of the transmit key is returned. If the key doesn't exist,
5136 * -1 will be returned.
5137 */
5138 static int get_wep_key(struct airo_info *ai, u16 index) {
5139 WepKeyRid wkr;
5140 int rc;
5141 __le16 lastindex;
5142
5143 rc = readWepKeyRid(ai, &wkr, 1, 1);
5144 if (rc == SUCCESS) do {
5145 lastindex = wkr.kindex;
5146 if (wkr.kindex == cpu_to_le16(index)) {
5147 if (index == 0xffff) {
5148 return wkr.mac[0];
5149 }
5150 return le16_to_cpu(wkr.klen);
5151 }
5152 readWepKeyRid(ai, &wkr, 0, 1);
5153 } while (lastindex != wkr.kindex);
5154 return -1;
5155 }
5156
5157 static int set_wep_key(struct airo_info *ai, u16 index,
5158 const char *key, u16 keylen, int perm, int lock )
5159 {
5160 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5161 WepKeyRid wkr;
5162
5163 memset(&wkr, 0, sizeof(wkr));
5164 if (keylen == 0) {
5165 // We are selecting which key to use
5166 wkr.len = cpu_to_le16(sizeof(wkr));
5167 wkr.kindex = cpu_to_le16(0xffff);
5168 wkr.mac[0] = (char)index;
5169 if (perm) ai->defindex = (char)index;
5170 } else {
5171 // We are actually setting the key
5172 wkr.len = cpu_to_le16(sizeof(wkr));
5173 wkr.kindex = cpu_to_le16(index);
5174 wkr.klen = cpu_to_le16(keylen);
5175 memcpy( wkr.key, key, keylen );
5176 memcpy( wkr.mac, macaddr, ETH_ALEN );
5177 }
5178
5179 if (perm) disable_MAC(ai, lock);
5180 writeWepKeyRid(ai, &wkr, perm, lock);
5181 if (perm) enable_MAC(ai, lock);
5182 return 0;
5183 }
5184
5185 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5186 struct proc_data *data;
5187 struct proc_dir_entry *dp = PDE(inode);
5188 struct net_device *dev = dp->data;
5189 struct airo_info *ai = dev->ml_priv;
5190 int i;
5191 char key[16];
5192 u16 index = 0;
5193 int j = 0;
5194
5195 memset(key, 0, sizeof(key));
5196
5197 data = (struct proc_data *)file->private_data;
5198 if ( !data->writelen ) return;
5199
5200 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5201 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5202 index = data->wbuffer[0] - '0';
5203 if (data->wbuffer[1] == '\n') {
5204 set_wep_key(ai, index, NULL, 0, 1, 1);
5205 return;
5206 }
5207 j = 2;
5208 } else {
5209 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5210 return;
5211 }
5212
5213 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5214 switch(i%3) {
5215 case 0:
5216 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5217 break;
5218 case 1:
5219 key[i/3] |= hexVal(data->wbuffer[i+j]);
5220 break;
5221 }
5222 }
5223 set_wep_key(ai, index, key, i/3, 1, 1);
5224 }
5225
5226 static int proc_wepkey_open( struct inode *inode, struct file *file )
5227 {
5228 struct proc_data *data;
5229 struct proc_dir_entry *dp = PDE(inode);
5230 struct net_device *dev = dp->data;
5231 struct airo_info *ai = dev->ml_priv;
5232 char *ptr;
5233 WepKeyRid wkr;
5234 __le16 lastindex;
5235 int j=0;
5236 int rc;
5237
5238 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5239 return -ENOMEM;
5240 memset(&wkr, 0, sizeof(wkr));
5241 data = (struct proc_data *)file->private_data;
5242 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5243 kfree (file->private_data);
5244 return -ENOMEM;
5245 }
5246 data->writelen = 0;
5247 data->maxwritelen = 80;
5248 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5249 kfree (data->rbuffer);
5250 kfree (file->private_data);
5251 return -ENOMEM;
5252 }
5253 data->on_close = proc_wepkey_on_close;
5254
5255 ptr = data->rbuffer;
5256 strcpy(ptr, "No wep keys\n");
5257 rc = readWepKeyRid(ai, &wkr, 1, 1);
5258 if (rc == SUCCESS) do {
5259 lastindex = wkr.kindex;
5260 if (wkr.kindex == cpu_to_le16(0xffff)) {
5261 j += sprintf(ptr+j, "Tx key = %d\n",
5262 (int)wkr.mac[0]);
5263 } else {
5264 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5265 le16_to_cpu(wkr.kindex),
5266 le16_to_cpu(wkr.klen));
5267 }
5268 readWepKeyRid(ai, &wkr, 0, 1);
5269 } while((lastindex != wkr.kindex) && (j < 180-30));
5270
5271 data->readlen = strlen( data->rbuffer );
5272 return 0;
5273 }
5274
5275 static int proc_SSID_open(struct inode *inode, struct file *file)
5276 {
5277 struct proc_data *data;
5278 struct proc_dir_entry *dp = PDE(inode);
5279 struct net_device *dev = dp->data;
5280 struct airo_info *ai = dev->ml_priv;
5281 int i;
5282 char *ptr;
5283 SsidRid SSID_rid;
5284
5285 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5286 return -ENOMEM;
5287 data = (struct proc_data *)file->private_data;
5288 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5289 kfree (file->private_data);
5290 return -ENOMEM;
5291 }
5292 data->writelen = 0;
5293 data->maxwritelen = 33*3;
5294 /* allocate maxwritelen + 1; we'll want a sentinel */
5295 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5296 kfree (data->rbuffer);
5297 kfree (file->private_data);
5298 return -ENOMEM;
5299 }
5300 data->on_close = proc_SSID_on_close;
5301
5302 readSsidRid(ai, &SSID_rid);
5303 ptr = data->rbuffer;
5304 for (i = 0; i < 3; i++) {
5305 int j;
5306 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5307 if (!len)
5308 break;
5309 if (len > 32)
5310 len = 32;
5311 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5312 *ptr++ = SSID_rid.ssids[i].ssid[j];
5313 *ptr++ = '\n';
5314 }
5315 *ptr = '\0';
5316 data->readlen = strlen( data->rbuffer );
5317 return 0;
5318 }
5319
5320 static int proc_APList_open( struct inode *inode, struct file *file ) {
5321 struct proc_data *data;
5322 struct proc_dir_entry *dp = PDE(inode);
5323 struct net_device *dev = dp->data;
5324 struct airo_info *ai = dev->ml_priv;
5325 int i;
5326 char *ptr;
5327 APListRid APList_rid;
5328
5329 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5330 return -ENOMEM;
5331 data = (struct proc_data *)file->private_data;
5332 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5333 kfree (file->private_data);
5334 return -ENOMEM;
5335 }
5336 data->writelen = 0;
5337 data->maxwritelen = 4*6*3;
5338 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5339 kfree (data->rbuffer);
5340 kfree (file->private_data);
5341 return -ENOMEM;
5342 }
5343 data->on_close = proc_APList_on_close;
5344
5345 readAPListRid(ai, &APList_rid);
5346 ptr = data->rbuffer;
5347 for( i = 0; i < 4; i++ ) {
5348 // We end when we find a zero MAC
5349 if ( !*(int*)APList_rid.ap[i] &&
5350 !*(int*)&APList_rid.ap[i][2]) break;
5351 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5352 }
5353 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5354
5355 *ptr = '\0';
5356 data->readlen = strlen( data->rbuffer );
5357 return 0;
5358 }
5359
5360 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5361 struct proc_data *data;
5362 struct proc_dir_entry *dp = PDE(inode);
5363 struct net_device *dev = dp->data;
5364 struct airo_info *ai = dev->ml_priv;
5365 char *ptr;
5366 BSSListRid BSSList_rid;
5367 int rc;
5368 /* If doLoseSync is not 1, we won't do a Lose Sync */
5369 int doLoseSync = -1;
5370
5371 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5372 return -ENOMEM;
5373 data = (struct proc_data *)file->private_data;
5374 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5375 kfree (file->private_data);
5376 return -ENOMEM;
5377 }
5378 data->writelen = 0;
5379 data->maxwritelen = 0;
5380 data->wbuffer = NULL;
5381 data->on_close = NULL;
5382
5383 if (file->f_mode & FMODE_WRITE) {
5384 if (!(file->f_mode & FMODE_READ)) {
5385 Cmd cmd;
5386 Resp rsp;
5387
5388 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5389 memset(&cmd, 0, sizeof(cmd));
5390 cmd.cmd=CMD_LISTBSS;
5391 if (down_interruptible(&ai->sem))
5392 return -ERESTARTSYS;
5393 issuecommand(ai, &cmd, &rsp);
5394 up(&ai->sem);
5395 data->readlen = 0;
5396 return 0;
5397 }
5398 doLoseSync = 1;
5399 }
5400 ptr = data->rbuffer;
5401 /* There is a race condition here if there are concurrent opens.
5402 Since it is a rare condition, we'll just live with it, otherwise
5403 we have to add a spin lock... */
5404 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5405 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5406 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5407 BSSList_rid.bssid,
5408 (int)BSSList_rid.ssidLen,
5409 BSSList_rid.ssid,
5410 le16_to_cpu(BSSList_rid.dBm));
5411 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5412 le16_to_cpu(BSSList_rid.dsChannel),
5413 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5414 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5415 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5416 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5417 rc = readBSSListRid(ai, 0, &BSSList_rid);
5418 }
5419 *ptr = '\0';
5420 data->readlen = strlen( data->rbuffer );
5421 return 0;
5422 }
5423
5424 static int proc_close( struct inode *inode, struct file *file )
5425 {
5426 struct proc_data *data = file->private_data;
5427
5428 if (data->on_close != NULL)
5429 data->on_close(inode, file);
5430 kfree(data->rbuffer);
5431 kfree(data->wbuffer);
5432 kfree(data);
5433 return 0;
5434 }
5435
5436 /* Since the card doesn't automatically switch to the right WEP mode,
5437 we will make it do it. If the card isn't associated, every secs we
5438 will switch WEP modes to see if that will help. If the card is
5439 associated we will check every minute to see if anything has
5440 changed. */
5441 static void timer_func( struct net_device *dev ) {
5442 struct airo_info *apriv = dev->ml_priv;
5443
5444 /* We don't have a link so try changing the authtype */
5445 readConfigRid(apriv, 0);
5446 disable_MAC(apriv, 0);
5447 switch(apriv->config.authType) {
5448 case AUTH_ENCRYPT:
5449 /* So drop to OPEN */
5450 apriv->config.authType = AUTH_OPEN;
5451 break;
5452 case AUTH_SHAREDKEY:
5453 if (apriv->keyindex < auto_wep) {
5454 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5455 apriv->config.authType = AUTH_SHAREDKEY;
5456 apriv->keyindex++;
5457 } else {
5458 /* Drop to ENCRYPT */
5459 apriv->keyindex = 0;
5460 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5461 apriv->config.authType = AUTH_ENCRYPT;
5462 }
5463 break;
5464 default: /* We'll escalate to SHAREDKEY */
5465 apriv->config.authType = AUTH_SHAREDKEY;
5466 }
5467 set_bit (FLAG_COMMIT, &apriv->flags);
5468 writeConfigRid(apriv, 0);
5469 enable_MAC(apriv, 0);
5470 up(&apriv->sem);
5471
5472 /* Schedule check to see if the change worked */
5473 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5474 apriv->expires = RUN_AT(HZ*3);
5475 }
5476
5477 #ifdef CONFIG_PCI
5478 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5479 const struct pci_device_id *pent)
5480 {
5481 struct net_device *dev;
5482
5483 if (pci_enable_device(pdev))
5484 return -ENODEV;
5485 pci_set_master(pdev);
5486
5487 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5488 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5489 else
5490 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5491 if (!dev) {
5492 pci_disable_device(pdev);
5493 return -ENODEV;
5494 }
5495
5496 pci_set_drvdata(pdev, dev);
5497 return 0;
5498 }
5499
5500 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5501 {
5502 struct net_device *dev = pci_get_drvdata(pdev);
5503
5504 airo_print_info(dev->name, "Unregistering...");
5505 stop_airo_card(dev, 1);
5506 pci_disable_device(pdev);
5507 pci_set_drvdata(pdev, NULL);
5508 }
5509
5510 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5511 {
5512 struct net_device *dev = pci_get_drvdata(pdev);
5513 struct airo_info *ai = dev->ml_priv;
5514 Cmd cmd;
5515 Resp rsp;
5516
5517 if (!ai->APList)
5518 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5519 if (!ai->APList)
5520 return -ENOMEM;
5521 if (!ai->SSID)
5522 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5523 if (!ai->SSID)
5524 return -ENOMEM;
5525 readAPListRid(ai, ai->APList);
5526 readSsidRid(ai, ai->SSID);
5527 memset(&cmd, 0, sizeof(cmd));
5528 /* the lock will be released at the end of the resume callback */
5529 if (down_interruptible(&ai->sem))
5530 return -EAGAIN;
5531 disable_MAC(ai, 0);
5532 netif_device_detach(dev);
5533 ai->power = state;
5534 cmd.cmd = HOSTSLEEP;
5535 issuecommand(ai, &cmd, &rsp);
5536
5537 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5538 pci_save_state(pdev);
5539 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5540 }
5541
5542 static int airo_pci_resume(struct pci_dev *pdev)
5543 {
5544 struct net_device *dev = pci_get_drvdata(pdev);
5545 struct airo_info *ai = dev->ml_priv;
5546 pci_power_t prev_state = pdev->current_state;
5547
5548 pci_set_power_state(pdev, PCI_D0);
5549 pci_restore_state(pdev);
5550 pci_enable_wake(pdev, PCI_D0, 0);
5551
5552 if (prev_state != PCI_D1) {
5553 reset_card(dev, 0);
5554 mpi_init_descriptors(ai);
5555 setup_card(ai, dev->dev_addr, 0);
5556 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5557 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5558 } else {
5559 OUT4500(ai, EVACK, EV_AWAKEN);
5560 OUT4500(ai, EVACK, EV_AWAKEN);
5561 msleep(100);
5562 }
5563
5564 set_bit(FLAG_COMMIT, &ai->flags);
5565 disable_MAC(ai, 0);
5566 msleep(200);
5567 if (ai->SSID) {
5568 writeSsidRid(ai, ai->SSID, 0);
5569 kfree(ai->SSID);
5570 ai->SSID = NULL;
5571 }
5572 if (ai->APList) {
5573 writeAPListRid(ai, ai->APList, 0);
5574 kfree(ai->APList);
5575 ai->APList = NULL;
5576 }
5577 writeConfigRid(ai, 0);
5578 enable_MAC(ai, 0);
5579 ai->power = PMSG_ON;
5580 netif_device_attach(dev);
5581 netif_wake_queue(dev);
5582 enable_interrupts(ai);
5583 up(&ai->sem);
5584 return 0;
5585 }
5586 #endif
5587
5588 static int __init airo_init_module( void )
5589 {
5590 int i;
5591
5592 airo_entry = create_proc_entry("driver/aironet",
5593 S_IFDIR | airo_perm,
5594 NULL);
5595
5596 if (airo_entry) {
5597 airo_entry->uid = proc_uid;
5598 airo_entry->gid = proc_gid;
5599 }
5600
5601 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5602 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5603 "io=0x%x", irq[i], io[i] );
5604 if (init_airo_card( irq[i], io[i], 0, NULL ))
5605 /* do nothing */ ;
5606 }
5607
5608 #ifdef CONFIG_PCI
5609 airo_print_info("", "Probing for PCI adapters");
5610 i = pci_register_driver(&airo_driver);
5611 airo_print_info("", "Finished probing for PCI adapters");
5612
5613 if (i) {
5614 remove_proc_entry("driver/aironet", NULL);
5615 return i;
5616 }
5617 #endif
5618
5619 /* Always exit with success, as we are a library module
5620 * as well as a driver module
5621 */
5622 return 0;
5623 }
5624
5625 static void __exit airo_cleanup_module( void )
5626 {
5627 struct airo_info *ai;
5628 while(!list_empty(&airo_devices)) {
5629 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5630 airo_print_info(ai->dev->name, "Unregistering...");
5631 stop_airo_card(ai->dev, 1);
5632 }
5633 #ifdef CONFIG_PCI
5634 pci_unregister_driver(&airo_driver);
5635 #endif
5636 remove_proc_entry("driver/aironet", NULL);
5637 }
5638
5639 /*
5640 * Initial Wireless Extension code for Aironet driver by :
5641 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5642 * Conversion to new driver API by :
5643 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5644 * Javier also did a good amount of work here, adding some new extensions
5645 * and fixing my code. Let's just say that without him this code just
5646 * would not work at all... - Jean II
5647 */
5648
5649 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5650 {
5651 if (!rssi_rid)
5652 return 0;
5653
5654 return (0x100 - rssi_rid[rssi].rssidBm);
5655 }
5656
5657 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5658 {
5659 int i;
5660
5661 if (!rssi_rid)
5662 return 0;
5663
5664 for (i = 0; i < 256; i++)
5665 if (rssi_rid[i].rssidBm == dbm)
5666 return rssi_rid[i].rssipct;
5667
5668 return 0;
5669 }
5670
5671
5672 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5673 {
5674 int quality = 0;
5675 u16 sq;
5676
5677 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5678 return 0;
5679
5680 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5681 return 0;
5682
5683 sq = le16_to_cpu(status_rid->signalQuality);
5684 if (memcmp(cap_rid->prodName, "350", 3))
5685 if (sq > 0x20)
5686 quality = 0;
5687 else
5688 quality = 0x20 - sq;
5689 else
5690 if (sq > 0xb0)
5691 quality = 0;
5692 else if (sq < 0x10)
5693 quality = 0xa0;
5694 else
5695 quality = 0xb0 - sq;
5696 return quality;
5697 }
5698
5699 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5700 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5701
5702 /*------------------------------------------------------------------*/
5703 /*
5704 * Wireless Handler : get protocol name
5705 */
5706 static int airo_get_name(struct net_device *dev,
5707 struct iw_request_info *info,
5708 char *cwrq,
5709 char *extra)
5710 {
5711 strcpy(cwrq, "IEEE 802.11-DS");
5712 return 0;
5713 }
5714
5715 /*------------------------------------------------------------------*/
5716 /*
5717 * Wireless Handler : set frequency
5718 */
5719 static int airo_set_freq(struct net_device *dev,
5720 struct iw_request_info *info,
5721 struct iw_freq *fwrq,
5722 char *extra)
5723 {
5724 struct airo_info *local = dev->ml_priv;
5725 int rc = -EINPROGRESS; /* Call commit handler */
5726
5727 /* If setting by frequency, convert to a channel */
5728 if((fwrq->e == 1) &&
5729 (fwrq->m >= (int) 2.412e8) &&
5730 (fwrq->m <= (int) 2.487e8)) {
5731 int f = fwrq->m / 100000;
5732 int c = 0;
5733 while((c < 14) && (f != frequency_list[c]))
5734 c++;
5735 /* Hack to fall through... */
5736 fwrq->e = 0;
5737 fwrq->m = c + 1;
5738 }
5739 /* Setting by channel number */
5740 if((fwrq->m > 1000) || (fwrq->e > 0))
5741 rc = -EOPNOTSUPP;
5742 else {
5743 int channel = fwrq->m;
5744 /* We should do a better check than that,
5745 * based on the card capability !!! */
5746 if((channel < 1) || (channel > 14)) {
5747 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5748 fwrq->m);
5749 rc = -EINVAL;
5750 } else {
5751 readConfigRid(local, 1);
5752 /* Yes ! We can set it !!! */
5753 local->config.channelSet = cpu_to_le16(channel);
5754 set_bit (FLAG_COMMIT, &local->flags);
5755 }
5756 }
5757 return rc;
5758 }
5759
5760 /*------------------------------------------------------------------*/
5761 /*
5762 * Wireless Handler : get frequency
5763 */
5764 static int airo_get_freq(struct net_device *dev,
5765 struct iw_request_info *info,
5766 struct iw_freq *fwrq,
5767 char *extra)
5768 {
5769 struct airo_info *local = dev->ml_priv;
5770 StatusRid status_rid; /* Card status info */
5771 int ch;
5772
5773 readConfigRid(local, 1);
5774 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5775 status_rid.channel = local->config.channelSet;
5776 else
5777 readStatusRid(local, &status_rid, 1);
5778
5779 ch = le16_to_cpu(status_rid.channel);
5780 if((ch > 0) && (ch < 15)) {
5781 fwrq->m = frequency_list[ch - 1] * 100000;
5782 fwrq->e = 1;
5783 } else {
5784 fwrq->m = ch;
5785 fwrq->e = 0;
5786 }
5787
5788 return 0;
5789 }
5790
5791 /*------------------------------------------------------------------*/
5792 /*
5793 * Wireless Handler : set ESSID
5794 */
5795 static int airo_set_essid(struct net_device *dev,
5796 struct iw_request_info *info,
5797 struct iw_point *dwrq,
5798 char *extra)
5799 {
5800 struct airo_info *local = dev->ml_priv;
5801 SsidRid SSID_rid; /* SSIDs */
5802
5803 /* Reload the list of current SSID */
5804 readSsidRid(local, &SSID_rid);
5805
5806 /* Check if we asked for `any' */
5807 if(dwrq->flags == 0) {
5808 /* Just send an empty SSID list */
5809 memset(&SSID_rid, 0, sizeof(SSID_rid));
5810 } else {
5811 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5812
5813 /* Check the size of the string */
5814 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5815 return -E2BIG ;
5816 }
5817 /* Check if index is valid */
5818 if((index < 0) || (index >= 4)) {
5819 return -EINVAL;
5820 }
5821
5822 /* Set the SSID */
5823 memset(SSID_rid.ssids[index].ssid, 0,
5824 sizeof(SSID_rid.ssids[index].ssid));
5825 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5826 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5827 }
5828 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5829 /* Write it to the card */
5830 disable_MAC(local, 1);
5831 writeSsidRid(local, &SSID_rid, 1);
5832 enable_MAC(local, 1);
5833
5834 return 0;
5835 }
5836
5837 /*------------------------------------------------------------------*/
5838 /*
5839 * Wireless Handler : get ESSID
5840 */
5841 static int airo_get_essid(struct net_device *dev,
5842 struct iw_request_info *info,
5843 struct iw_point *dwrq,
5844 char *extra)
5845 {
5846 struct airo_info *local = dev->ml_priv;
5847 StatusRid status_rid; /* Card status info */
5848
5849 readStatusRid(local, &status_rid, 1);
5850
5851 /* Note : if dwrq->flags != 0, we should
5852 * get the relevant SSID from the SSID list... */
5853
5854 /* Get the current SSID */
5855 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5856 /* If none, we may want to get the one that was set */
5857
5858 /* Push it out ! */
5859 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5860 dwrq->flags = 1; /* active */
5861
5862 return 0;
5863 }
5864
5865 /*------------------------------------------------------------------*/
5866 /*
5867 * Wireless Handler : set AP address
5868 */
5869 static int airo_set_wap(struct net_device *dev,
5870 struct iw_request_info *info,
5871 struct sockaddr *awrq,
5872 char *extra)
5873 {
5874 struct airo_info *local = dev->ml_priv;
5875 Cmd cmd;
5876 Resp rsp;
5877 APListRid APList_rid;
5878 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5879 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5880
5881 if (awrq->sa_family != ARPHRD_ETHER)
5882 return -EINVAL;
5883 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5884 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5885 memset(&cmd, 0, sizeof(cmd));
5886 cmd.cmd=CMD_LOSE_SYNC;
5887 if (down_interruptible(&local->sem))
5888 return -ERESTARTSYS;
5889 issuecommand(local, &cmd, &rsp);
5890 up(&local->sem);
5891 } else {
5892 memset(&APList_rid, 0, sizeof(APList_rid));
5893 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5894 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5895 disable_MAC(local, 1);
5896 writeAPListRid(local, &APList_rid, 1);
5897 enable_MAC(local, 1);
5898 }
5899 return 0;
5900 }
5901
5902 /*------------------------------------------------------------------*/
5903 /*
5904 * Wireless Handler : get AP address
5905 */
5906 static int airo_get_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 StatusRid status_rid; /* Card status info */
5913
5914 readStatusRid(local, &status_rid, 1);
5915
5916 /* Tentative. This seems to work, wow, I'm lucky !!! */
5917 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5918 awrq->sa_family = ARPHRD_ETHER;
5919
5920 return 0;
5921 }
5922
5923 /*------------------------------------------------------------------*/
5924 /*
5925 * Wireless Handler : set Nickname
5926 */
5927 static int airo_set_nick(struct net_device *dev,
5928 struct iw_request_info *info,
5929 struct iw_point *dwrq,
5930 char *extra)
5931 {
5932 struct airo_info *local = dev->ml_priv;
5933
5934 /* Check the size of the string */
5935 if(dwrq->length > 16) {
5936 return -E2BIG;
5937 }
5938 readConfigRid(local, 1);
5939 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5940 memcpy(local->config.nodeName, extra, dwrq->length);
5941 set_bit (FLAG_COMMIT, &local->flags);
5942
5943 return -EINPROGRESS; /* Call commit handler */
5944 }
5945
5946 /*------------------------------------------------------------------*/
5947 /*
5948 * Wireless Handler : get Nickname
5949 */
5950 static int airo_get_nick(struct net_device *dev,
5951 struct iw_request_info *info,
5952 struct iw_point *dwrq,
5953 char *extra)
5954 {
5955 struct airo_info *local = dev->ml_priv;
5956
5957 readConfigRid(local, 1);
5958 strncpy(extra, local->config.nodeName, 16);
5959 extra[16] = '\0';
5960 dwrq->length = strlen(extra);
5961
5962 return 0;
5963 }
5964
5965 /*------------------------------------------------------------------*/
5966 /*
5967 * Wireless Handler : set Bit-Rate
5968 */
5969 static int airo_set_rate(struct net_device *dev,
5970 struct iw_request_info *info,
5971 struct iw_param *vwrq,
5972 char *extra)
5973 {
5974 struct airo_info *local = dev->ml_priv;
5975 CapabilityRid cap_rid; /* Card capability info */
5976 u8 brate = 0;
5977 int i;
5978
5979 /* First : get a valid bit rate value */
5980 readCapabilityRid(local, &cap_rid, 1);
5981
5982 /* Which type of value ? */
5983 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5984 /* Setting by rate index */
5985 /* Find value in the magic rate table */
5986 brate = cap_rid.supportedRates[vwrq->value];
5987 } else {
5988 /* Setting by frequency value */
5989 u8 normvalue = (u8) (vwrq->value/500000);
5990
5991 /* Check if rate is valid */
5992 for(i = 0 ; i < 8 ; i++) {
5993 if(normvalue == cap_rid.supportedRates[i]) {
5994 brate = normvalue;
5995 break;
5996 }
5997 }
5998 }
5999 /* -1 designed the max rate (mostly auto mode) */
6000 if(vwrq->value == -1) {
6001 /* Get the highest available rate */
6002 for(i = 0 ; i < 8 ; i++) {
6003 if(cap_rid.supportedRates[i] == 0)
6004 break;
6005 }
6006 if(i != 0)
6007 brate = cap_rid.supportedRates[i - 1];
6008 }
6009 /* Check that it is valid */
6010 if(brate == 0) {
6011 return -EINVAL;
6012 }
6013
6014 readConfigRid(local, 1);
6015 /* Now, check if we want a fixed or auto value */
6016 if(vwrq->fixed == 0) {
6017 /* Fill all the rates up to this max rate */
6018 memset(local->config.rates, 0, 8);
6019 for(i = 0 ; i < 8 ; i++) {
6020 local->config.rates[i] = cap_rid.supportedRates[i];
6021 if(local->config.rates[i] == brate)
6022 break;
6023 }
6024 } else {
6025 /* Fixed mode */
6026 /* One rate, fixed */
6027 memset(local->config.rates, 0, 8);
6028 local->config.rates[0] = brate;
6029 }
6030 set_bit (FLAG_COMMIT, &local->flags);
6031
6032 return -EINPROGRESS; /* Call commit handler */
6033 }
6034
6035 /*------------------------------------------------------------------*/
6036 /*
6037 * Wireless Handler : get Bit-Rate
6038 */
6039 static int airo_get_rate(struct net_device *dev,
6040 struct iw_request_info *info,
6041 struct iw_param *vwrq,
6042 char *extra)
6043 {
6044 struct airo_info *local = dev->ml_priv;
6045 StatusRid status_rid; /* Card status info */
6046
6047 readStatusRid(local, &status_rid, 1);
6048
6049 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6050 /* If more than one rate, set auto */
6051 readConfigRid(local, 1);
6052 vwrq->fixed = (local->config.rates[1] == 0);
6053
6054 return 0;
6055 }
6056
6057 /*------------------------------------------------------------------*/
6058 /*
6059 * Wireless Handler : set RTS threshold
6060 */
6061 static int airo_set_rts(struct net_device *dev,
6062 struct iw_request_info *info,
6063 struct iw_param *vwrq,
6064 char *extra)
6065 {
6066 struct airo_info *local = dev->ml_priv;
6067 int rthr = vwrq->value;
6068
6069 if(vwrq->disabled)
6070 rthr = AIRO_DEF_MTU;
6071 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6072 return -EINVAL;
6073 }
6074 readConfigRid(local, 1);
6075 local->config.rtsThres = cpu_to_le16(rthr);
6076 set_bit (FLAG_COMMIT, &local->flags);
6077
6078 return -EINPROGRESS; /* Call commit handler */
6079 }
6080
6081 /*------------------------------------------------------------------*/
6082 /*
6083 * Wireless Handler : get RTS threshold
6084 */
6085 static int airo_get_rts(struct net_device *dev,
6086 struct iw_request_info *info,
6087 struct iw_param *vwrq,
6088 char *extra)
6089 {
6090 struct airo_info *local = dev->ml_priv;
6091
6092 readConfigRid(local, 1);
6093 vwrq->value = le16_to_cpu(local->config.rtsThres);
6094 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6095 vwrq->fixed = 1;
6096
6097 return 0;
6098 }
6099
6100 /*------------------------------------------------------------------*/
6101 /*
6102 * Wireless Handler : set Fragmentation threshold
6103 */
6104 static int airo_set_frag(struct net_device *dev,
6105 struct iw_request_info *info,
6106 struct iw_param *vwrq,
6107 char *extra)
6108 {
6109 struct airo_info *local = dev->ml_priv;
6110 int fthr = vwrq->value;
6111
6112 if(vwrq->disabled)
6113 fthr = AIRO_DEF_MTU;
6114 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6115 return -EINVAL;
6116 }
6117 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6118 readConfigRid(local, 1);
6119 local->config.fragThresh = cpu_to_le16(fthr);
6120 set_bit (FLAG_COMMIT, &local->flags);
6121
6122 return -EINPROGRESS; /* Call commit handler */
6123 }
6124
6125 /*------------------------------------------------------------------*/
6126 /*
6127 * Wireless Handler : get Fragmentation threshold
6128 */
6129 static int airo_get_frag(struct net_device *dev,
6130 struct iw_request_info *info,
6131 struct iw_param *vwrq,
6132 char *extra)
6133 {
6134 struct airo_info *local = dev->ml_priv;
6135
6136 readConfigRid(local, 1);
6137 vwrq->value = le16_to_cpu(local->config.fragThresh);
6138 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6139 vwrq->fixed = 1;
6140
6141 return 0;
6142 }
6143
6144 /*------------------------------------------------------------------*/
6145 /*
6146 * Wireless Handler : set Mode of Operation
6147 */
6148 static int airo_set_mode(struct net_device *dev,
6149 struct iw_request_info *info,
6150 __u32 *uwrq,
6151 char *extra)
6152 {
6153 struct airo_info *local = dev->ml_priv;
6154 int reset = 0;
6155
6156 readConfigRid(local, 1);
6157 if (sniffing_mode(local))
6158 reset = 1;
6159
6160 switch(*uwrq) {
6161 case IW_MODE_ADHOC:
6162 local->config.opmode &= ~MODE_CFG_MASK;
6163 local->config.opmode |= MODE_STA_IBSS;
6164 local->config.rmode &= ~RXMODE_FULL_MASK;
6165 local->config.scanMode = SCANMODE_ACTIVE;
6166 clear_bit (FLAG_802_11, &local->flags);
6167 break;
6168 case IW_MODE_INFRA:
6169 local->config.opmode &= ~MODE_CFG_MASK;
6170 local->config.opmode |= MODE_STA_ESS;
6171 local->config.rmode &= ~RXMODE_FULL_MASK;
6172 local->config.scanMode = SCANMODE_ACTIVE;
6173 clear_bit (FLAG_802_11, &local->flags);
6174 break;
6175 case IW_MODE_MASTER:
6176 local->config.opmode &= ~MODE_CFG_MASK;
6177 local->config.opmode |= MODE_AP;
6178 local->config.rmode &= ~RXMODE_FULL_MASK;
6179 local->config.scanMode = SCANMODE_ACTIVE;
6180 clear_bit (FLAG_802_11, &local->flags);
6181 break;
6182 case IW_MODE_REPEAT:
6183 local->config.opmode &= ~MODE_CFG_MASK;
6184 local->config.opmode |= MODE_AP_RPTR;
6185 local->config.rmode &= ~RXMODE_FULL_MASK;
6186 local->config.scanMode = SCANMODE_ACTIVE;
6187 clear_bit (FLAG_802_11, &local->flags);
6188 break;
6189 case IW_MODE_MONITOR:
6190 local->config.opmode &= ~MODE_CFG_MASK;
6191 local->config.opmode |= MODE_STA_ESS;
6192 local->config.rmode &= ~RXMODE_FULL_MASK;
6193 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6194 local->config.scanMode = SCANMODE_PASSIVE;
6195 set_bit (FLAG_802_11, &local->flags);
6196 break;
6197 default:
6198 return -EINVAL;
6199 }
6200 if (reset)
6201 set_bit (FLAG_RESET, &local->flags);
6202 set_bit (FLAG_COMMIT, &local->flags);
6203
6204 return -EINPROGRESS; /* Call commit handler */
6205 }
6206
6207 /*------------------------------------------------------------------*/
6208 /*
6209 * Wireless Handler : get Mode of Operation
6210 */
6211 static int airo_get_mode(struct net_device *dev,
6212 struct iw_request_info *info,
6213 __u32 *uwrq,
6214 char *extra)
6215 {
6216 struct airo_info *local = dev->ml_priv;
6217
6218 readConfigRid(local, 1);
6219 /* If not managed, assume it's ad-hoc */
6220 switch (local->config.opmode & MODE_CFG_MASK) {
6221 case MODE_STA_ESS:
6222 *uwrq = IW_MODE_INFRA;
6223 break;
6224 case MODE_AP:
6225 *uwrq = IW_MODE_MASTER;
6226 break;
6227 case MODE_AP_RPTR:
6228 *uwrq = IW_MODE_REPEAT;
6229 break;
6230 default:
6231 *uwrq = IW_MODE_ADHOC;
6232 }
6233
6234 return 0;
6235 }
6236
6237 static inline int valid_index(CapabilityRid *p, int index)
6238 {
6239 if (index < 0)
6240 return 0;
6241 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6242 }
6243
6244 /*------------------------------------------------------------------*/
6245 /*
6246 * Wireless Handler : set Encryption Key
6247 */
6248 static int airo_set_encode(struct net_device *dev,
6249 struct iw_request_info *info,
6250 struct iw_point *dwrq,
6251 char *extra)
6252 {
6253 struct airo_info *local = dev->ml_priv;
6254 CapabilityRid cap_rid; /* Card capability info */
6255 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6256 __le16 currentAuthType = local->config.authType;
6257
6258 /* Is WEP supported ? */
6259 readCapabilityRid(local, &cap_rid, 1);
6260 /* Older firmware doesn't support this...
6261 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6262 return -EOPNOTSUPP;
6263 } */
6264 readConfigRid(local, 1);
6265
6266 /* Basic checking: do we have a key to set ?
6267 * Note : with the new API, it's impossible to get a NULL pointer.
6268 * Therefore, we need to check a key size == 0 instead.
6269 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6270 * when no key is present (only change flags), but older versions
6271 * don't do it. - Jean II */
6272 if (dwrq->length > 0) {
6273 wep_key_t key;
6274 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6275 int current_index = get_wep_key(local, 0xffff);
6276 /* Check the size of the key */
6277 if (dwrq->length > MAX_KEY_SIZE) {
6278 return -EINVAL;
6279 }
6280 /* Check the index (none -> use current) */
6281 if (!valid_index(&cap_rid, index))
6282 index = current_index;
6283 /* Set the length */
6284 if (dwrq->length > MIN_KEY_SIZE)
6285 key.len = MAX_KEY_SIZE;
6286 else
6287 if (dwrq->length > 0)
6288 key.len = MIN_KEY_SIZE;
6289 else
6290 /* Disable the key */
6291 key.len = 0;
6292 /* Check if the key is not marked as invalid */
6293 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6294 /* Cleanup */
6295 memset(key.key, 0, MAX_KEY_SIZE);
6296 /* Copy the key in the driver */
6297 memcpy(key.key, extra, dwrq->length);
6298 /* Send the key to the card */
6299 set_wep_key(local, index, key.key, key.len, perm, 1);
6300 }
6301 /* WE specify that if a valid key is set, encryption
6302 * should be enabled (user may turn it off later)
6303 * This is also how "iwconfig ethX key on" works */
6304 if((index == current_index) && (key.len > 0) &&
6305 (local->config.authType == AUTH_OPEN)) {
6306 local->config.authType = AUTH_ENCRYPT;
6307 }
6308 } else {
6309 /* Do we want to just set the transmit key index ? */
6310 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6311 if (valid_index(&cap_rid, index)) {
6312 set_wep_key(local, index, NULL, 0, perm, 1);
6313 } else
6314 /* Don't complain if only change the mode */
6315 if (!(dwrq->flags & IW_ENCODE_MODE))
6316 return -EINVAL;
6317 }
6318 /* Read the flags */
6319 if(dwrq->flags & IW_ENCODE_DISABLED)
6320 local->config.authType = AUTH_OPEN; // disable encryption
6321 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6322 local->config.authType = AUTH_SHAREDKEY; // Only Both
6323 if(dwrq->flags & IW_ENCODE_OPEN)
6324 local->config.authType = AUTH_ENCRYPT; // Only Wep
6325 /* Commit the changes to flags if needed */
6326 if (local->config.authType != currentAuthType)
6327 set_bit (FLAG_COMMIT, &local->flags);
6328 return -EINPROGRESS; /* Call commit handler */
6329 }
6330
6331 /*------------------------------------------------------------------*/
6332 /*
6333 * Wireless Handler : get Encryption Key
6334 */
6335 static int airo_get_encode(struct net_device *dev,
6336 struct iw_request_info *info,
6337 struct iw_point *dwrq,
6338 char *extra)
6339 {
6340 struct airo_info *local = dev->ml_priv;
6341 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6342 CapabilityRid cap_rid; /* Card capability info */
6343
6344 /* Is it supported ? */
6345 readCapabilityRid(local, &cap_rid, 1);
6346 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6347 return -EOPNOTSUPP;
6348 }
6349 readConfigRid(local, 1);
6350 /* Check encryption mode */
6351 switch(local->config.authType) {
6352 case AUTH_ENCRYPT:
6353 dwrq->flags = IW_ENCODE_OPEN;
6354 break;
6355 case AUTH_SHAREDKEY:
6356 dwrq->flags = IW_ENCODE_RESTRICTED;
6357 break;
6358 default:
6359 case AUTH_OPEN:
6360 dwrq->flags = IW_ENCODE_DISABLED;
6361 break;
6362 }
6363 /* We can't return the key, so set the proper flag and return zero */
6364 dwrq->flags |= IW_ENCODE_NOKEY;
6365 memset(extra, 0, 16);
6366
6367 /* Which key do we want ? -1 -> tx index */
6368 if (!valid_index(&cap_rid, index))
6369 index = get_wep_key(local, 0xffff);
6370 dwrq->flags |= index + 1;
6371 /* Copy the key to the user buffer */
6372 dwrq->length = get_wep_key(local, index);
6373 if (dwrq->length > 16) {
6374 dwrq->length=0;
6375 }
6376 return 0;
6377 }
6378
6379 /*------------------------------------------------------------------*/
6380 /*
6381 * Wireless Handler : set extended Encryption parameters
6382 */
6383 static int airo_set_encodeext(struct net_device *dev,
6384 struct iw_request_info *info,
6385 union iwreq_data *wrqu,
6386 char *extra)
6387 {
6388 struct airo_info *local = dev->ml_priv;
6389 struct iw_point *encoding = &wrqu->encoding;
6390 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6391 CapabilityRid cap_rid; /* Card capability info */
6392 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6393 __le16 currentAuthType = local->config.authType;
6394 int idx, key_len, alg = ext->alg, set_key = 1;
6395 wep_key_t key;
6396
6397 /* Is WEP supported ? */
6398 readCapabilityRid(local, &cap_rid, 1);
6399 /* Older firmware doesn't support this...
6400 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6401 return -EOPNOTSUPP;
6402 } */
6403 readConfigRid(local, 1);
6404
6405 /* Determine and validate the key index */
6406 idx = encoding->flags & IW_ENCODE_INDEX;
6407 if (idx) {
6408 if (!valid_index(&cap_rid, idx - 1))
6409 return -EINVAL;
6410 idx--;
6411 } else
6412 idx = get_wep_key(local, 0xffff);
6413
6414 if (encoding->flags & IW_ENCODE_DISABLED)
6415 alg = IW_ENCODE_ALG_NONE;
6416
6417 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6418 /* Only set transmit key index here, actual
6419 * key is set below if needed.
6420 */
6421 set_wep_key(local, idx, NULL, 0, perm, 1);
6422 set_key = ext->key_len > 0 ? 1 : 0;
6423 }
6424
6425 if (set_key) {
6426 /* Set the requested key first */
6427 memset(key.key, 0, MAX_KEY_SIZE);
6428 switch (alg) {
6429 case IW_ENCODE_ALG_NONE:
6430 key.len = 0;
6431 break;
6432 case IW_ENCODE_ALG_WEP:
6433 if (ext->key_len > MIN_KEY_SIZE) {
6434 key.len = MAX_KEY_SIZE;
6435 } else if (ext->key_len > 0) {
6436 key.len = MIN_KEY_SIZE;
6437 } else {
6438 return -EINVAL;
6439 }
6440 key_len = min (ext->key_len, key.len);
6441 memcpy(key.key, ext->key, key_len);
6442 break;
6443 default:
6444 return -EINVAL;
6445 }
6446 /* Send the key to the card */
6447 set_wep_key(local, idx, key.key, key.len, perm, 1);
6448 }
6449
6450 /* Read the flags */
6451 if(encoding->flags & IW_ENCODE_DISABLED)
6452 local->config.authType = AUTH_OPEN; // disable encryption
6453 if(encoding->flags & IW_ENCODE_RESTRICTED)
6454 local->config.authType = AUTH_SHAREDKEY; // Only Both
6455 if(encoding->flags & IW_ENCODE_OPEN)
6456 local->config.authType = AUTH_ENCRYPT; // Only Wep
6457 /* Commit the changes to flags if needed */
6458 if (local->config.authType != currentAuthType)
6459 set_bit (FLAG_COMMIT, &local->flags);
6460
6461 return -EINPROGRESS;
6462 }
6463
6464
6465 /*------------------------------------------------------------------*/
6466 /*
6467 * Wireless Handler : get extended Encryption parameters
6468 */
6469 static int airo_get_encodeext(struct net_device *dev,
6470 struct iw_request_info *info,
6471 union iwreq_data *wrqu,
6472 char *extra)
6473 {
6474 struct airo_info *local = dev->ml_priv;
6475 struct iw_point *encoding = &wrqu->encoding;
6476 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6477 CapabilityRid cap_rid; /* Card capability info */
6478 int idx, max_key_len;
6479
6480 /* Is it supported ? */
6481 readCapabilityRid(local, &cap_rid, 1);
6482 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6483 return -EOPNOTSUPP;
6484 }
6485 readConfigRid(local, 1);
6486
6487 max_key_len = encoding->length - sizeof(*ext);
6488 if (max_key_len < 0)
6489 return -EINVAL;
6490
6491 idx = encoding->flags & IW_ENCODE_INDEX;
6492 if (idx) {
6493 if (!valid_index(&cap_rid, idx - 1))
6494 return -EINVAL;
6495 idx--;
6496 } else
6497 idx = get_wep_key(local, 0xffff);
6498
6499 encoding->flags = idx + 1;
6500 memset(ext, 0, sizeof(*ext));
6501
6502 /* Check encryption mode */
6503 switch(local->config.authType) {
6504 case AUTH_ENCRYPT:
6505 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6506 break;
6507 case AUTH_SHAREDKEY:
6508 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6509 break;
6510 default:
6511 case AUTH_OPEN:
6512 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6513 break;
6514 }
6515 /* We can't return the key, so set the proper flag and return zero */
6516 encoding->flags |= IW_ENCODE_NOKEY;
6517 memset(extra, 0, 16);
6518
6519 /* Copy the key to the user buffer */
6520 ext->key_len = get_wep_key(local, idx);
6521 if (ext->key_len > 16) {
6522 ext->key_len=0;
6523 }
6524
6525 return 0;
6526 }
6527
6528
6529 /*------------------------------------------------------------------*/
6530 /*
6531 * Wireless Handler : set extended authentication parameters
6532 */
6533 static int airo_set_auth(struct net_device *dev,
6534 struct iw_request_info *info,
6535 union iwreq_data *wrqu, char *extra)
6536 {
6537 struct airo_info *local = dev->ml_priv;
6538 struct iw_param *param = &wrqu->param;
6539 __le16 currentAuthType = local->config.authType;
6540
6541 switch (param->flags & IW_AUTH_INDEX) {
6542 case IW_AUTH_WPA_VERSION:
6543 case IW_AUTH_CIPHER_PAIRWISE:
6544 case IW_AUTH_CIPHER_GROUP:
6545 case IW_AUTH_KEY_MGMT:
6546 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6547 case IW_AUTH_PRIVACY_INVOKED:
6548 /*
6549 * airo does not use these parameters
6550 */
6551 break;
6552
6553 case IW_AUTH_DROP_UNENCRYPTED:
6554 if (param->value) {
6555 /* Only change auth type if unencrypted */
6556 if (currentAuthType == AUTH_OPEN)
6557 local->config.authType = AUTH_ENCRYPT;
6558 } else {
6559 local->config.authType = AUTH_OPEN;
6560 }
6561
6562 /* Commit the changes to flags if needed */
6563 if (local->config.authType != currentAuthType)
6564 set_bit (FLAG_COMMIT, &local->flags);
6565 break;
6566
6567 case IW_AUTH_80211_AUTH_ALG: {
6568 /* FIXME: What about AUTH_OPEN? This API seems to
6569 * disallow setting our auth to AUTH_OPEN.
6570 */
6571 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6572 local->config.authType = AUTH_SHAREDKEY;
6573 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6574 local->config.authType = AUTH_ENCRYPT;
6575 } else
6576 return -EINVAL;
6577 break;
6578
6579 /* Commit the changes to flags if needed */
6580 if (local->config.authType != currentAuthType)
6581 set_bit (FLAG_COMMIT, &local->flags);
6582 }
6583
6584 case IW_AUTH_WPA_ENABLED:
6585 /* Silently accept disable of WPA */
6586 if (param->value > 0)
6587 return -EOPNOTSUPP;
6588 break;
6589
6590 default:
6591 return -EOPNOTSUPP;
6592 }
6593 return -EINPROGRESS;
6594 }
6595
6596
6597 /*------------------------------------------------------------------*/
6598 /*
6599 * Wireless Handler : get extended authentication parameters
6600 */
6601 static int airo_get_auth(struct net_device *dev,
6602 struct iw_request_info *info,
6603 union iwreq_data *wrqu, char *extra)
6604 {
6605 struct airo_info *local = dev->ml_priv;
6606 struct iw_param *param = &wrqu->param;
6607 __le16 currentAuthType = local->config.authType;
6608
6609 switch (param->flags & IW_AUTH_INDEX) {
6610 case IW_AUTH_DROP_UNENCRYPTED:
6611 switch (currentAuthType) {
6612 case AUTH_SHAREDKEY:
6613 case AUTH_ENCRYPT:
6614 param->value = 1;
6615 break;
6616 default:
6617 param->value = 0;
6618 break;
6619 }
6620 break;
6621
6622 case IW_AUTH_80211_AUTH_ALG:
6623 switch (currentAuthType) {
6624 case AUTH_SHAREDKEY:
6625 param->value = IW_AUTH_ALG_SHARED_KEY;
6626 break;
6627 case AUTH_ENCRYPT:
6628 default:
6629 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6630 break;
6631 }
6632 break;
6633
6634 case IW_AUTH_WPA_ENABLED:
6635 param->value = 0;
6636 break;
6637
6638 default:
6639 return -EOPNOTSUPP;
6640 }
6641 return 0;
6642 }
6643
6644
6645 /*------------------------------------------------------------------*/
6646 /*
6647 * Wireless Handler : set Tx-Power
6648 */
6649 static int airo_set_txpow(struct net_device *dev,
6650 struct iw_request_info *info,
6651 struct iw_param *vwrq,
6652 char *extra)
6653 {
6654 struct airo_info *local = dev->ml_priv;
6655 CapabilityRid cap_rid; /* Card capability info */
6656 int i;
6657 int rc = -EINVAL;
6658 __le16 v = cpu_to_le16(vwrq->value);
6659
6660 readCapabilityRid(local, &cap_rid, 1);
6661
6662 if (vwrq->disabled) {
6663 set_bit (FLAG_RADIO_OFF, &local->flags);
6664 set_bit (FLAG_COMMIT, &local->flags);
6665 return -EINPROGRESS; /* Call commit handler */
6666 }
6667 if (vwrq->flags != IW_TXPOW_MWATT) {
6668 return -EINVAL;
6669 }
6670 clear_bit (FLAG_RADIO_OFF, &local->flags);
6671 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6672 if (v == cap_rid.txPowerLevels[i]) {
6673 readConfigRid(local, 1);
6674 local->config.txPower = v;
6675 set_bit (FLAG_COMMIT, &local->flags);
6676 rc = -EINPROGRESS; /* Call commit handler */
6677 break;
6678 }
6679 return rc;
6680 }
6681
6682 /*------------------------------------------------------------------*/
6683 /*
6684 * Wireless Handler : get Tx-Power
6685 */
6686 static int airo_get_txpow(struct net_device *dev,
6687 struct iw_request_info *info,
6688 struct iw_param *vwrq,
6689 char *extra)
6690 {
6691 struct airo_info *local = dev->ml_priv;
6692
6693 readConfigRid(local, 1);
6694 vwrq->value = le16_to_cpu(local->config.txPower);
6695 vwrq->fixed = 1; /* No power control */
6696 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6697 vwrq->flags = IW_TXPOW_MWATT;
6698
6699 return 0;
6700 }
6701
6702 /*------------------------------------------------------------------*/
6703 /*
6704 * Wireless Handler : set Retry limits
6705 */
6706 static int airo_set_retry(struct net_device *dev,
6707 struct iw_request_info *info,
6708 struct iw_param *vwrq,
6709 char *extra)
6710 {
6711 struct airo_info *local = dev->ml_priv;
6712 int rc = -EINVAL;
6713
6714 if(vwrq->disabled) {
6715 return -EINVAL;
6716 }
6717 readConfigRid(local, 1);
6718 if(vwrq->flags & IW_RETRY_LIMIT) {
6719 __le16 v = cpu_to_le16(vwrq->value);
6720 if(vwrq->flags & IW_RETRY_LONG)
6721 local->config.longRetryLimit = v;
6722 else if (vwrq->flags & IW_RETRY_SHORT)
6723 local->config.shortRetryLimit = v;
6724 else {
6725 /* No modifier : set both */
6726 local->config.longRetryLimit = v;
6727 local->config.shortRetryLimit = v;
6728 }
6729 set_bit (FLAG_COMMIT, &local->flags);
6730 rc = -EINPROGRESS; /* Call commit handler */
6731 }
6732 if(vwrq->flags & IW_RETRY_LIFETIME) {
6733 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6734 set_bit (FLAG_COMMIT, &local->flags);
6735 rc = -EINPROGRESS; /* Call commit handler */
6736 }
6737 return rc;
6738 }
6739
6740 /*------------------------------------------------------------------*/
6741 /*
6742 * Wireless Handler : get Retry limits
6743 */
6744 static int airo_get_retry(struct net_device *dev,
6745 struct iw_request_info *info,
6746 struct iw_param *vwrq,
6747 char *extra)
6748 {
6749 struct airo_info *local = dev->ml_priv;
6750
6751 vwrq->disabled = 0; /* Can't be disabled */
6752
6753 readConfigRid(local, 1);
6754 /* Note : by default, display the min retry number */
6755 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6756 vwrq->flags = IW_RETRY_LIFETIME;
6757 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6758 } else if((vwrq->flags & IW_RETRY_LONG)) {
6759 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6760 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6761 } else {
6762 vwrq->flags = IW_RETRY_LIMIT;
6763 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6764 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6765 vwrq->flags |= IW_RETRY_SHORT;
6766 }
6767
6768 return 0;
6769 }
6770
6771 /*------------------------------------------------------------------*/
6772 /*
6773 * Wireless Handler : get range info
6774 */
6775 static int airo_get_range(struct net_device *dev,
6776 struct iw_request_info *info,
6777 struct iw_point *dwrq,
6778 char *extra)
6779 {
6780 struct airo_info *local = dev->ml_priv;
6781 struct iw_range *range = (struct iw_range *) extra;
6782 CapabilityRid cap_rid; /* Card capability info */
6783 int i;
6784 int k;
6785
6786 readCapabilityRid(local, &cap_rid, 1);
6787
6788 dwrq->length = sizeof(struct iw_range);
6789 memset(range, 0, sizeof(*range));
6790 range->min_nwid = 0x0000;
6791 range->max_nwid = 0x0000;
6792 range->num_channels = 14;
6793 /* Should be based on cap_rid.country to give only
6794 * what the current card support */
6795 k = 0;
6796 for(i = 0; i < 14; i++) {
6797 range->freq[k].i = i + 1; /* List index */
6798 range->freq[k].m = frequency_list[i] * 100000;
6799 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6800 }
6801 range->num_frequency = k;
6802
6803 range->sensitivity = 65535;
6804
6805 /* Hum... Should put the right values there */
6806 if (local->rssi)
6807 range->max_qual.qual = 100; /* % */
6808 else
6809 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6810 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6811 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6812
6813 /* Experimental measurements - boundary 11/5.5 Mb/s */
6814 /* Note : with or without the (local->rssi), results
6815 * are somewhat different. - Jean II */
6816 if (local->rssi) {
6817 range->avg_qual.qual = 50; /* % */
6818 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6819 } else {
6820 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6821 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6822 }
6823 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6824
6825 for(i = 0 ; i < 8 ; i++) {
6826 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6827 if(range->bitrate[i] == 0)
6828 break;
6829 }
6830 range->num_bitrates = i;
6831
6832 /* Set an indication of the max TCP throughput
6833 * in bit/s that we can expect using this interface.
6834 * May be use for QoS stuff... Jean II */
6835 if(i > 2)
6836 range->throughput = 5000 * 1000;
6837 else
6838 range->throughput = 1500 * 1000;
6839
6840 range->min_rts = 0;
6841 range->max_rts = AIRO_DEF_MTU;
6842 range->min_frag = 256;
6843 range->max_frag = AIRO_DEF_MTU;
6844
6845 if(cap_rid.softCap & cpu_to_le16(2)) {
6846 // WEP: RC4 40 bits
6847 range->encoding_size[0] = 5;
6848 // RC4 ~128 bits
6849 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6850 range->encoding_size[1] = 13;
6851 range->num_encoding_sizes = 2;
6852 } else
6853 range->num_encoding_sizes = 1;
6854 range->max_encoding_tokens =
6855 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6856 } else {
6857 range->num_encoding_sizes = 0;
6858 range->max_encoding_tokens = 0;
6859 }
6860 range->min_pmp = 0;
6861 range->max_pmp = 5000000; /* 5 secs */
6862 range->min_pmt = 0;
6863 range->max_pmt = 65535 * 1024; /* ??? */
6864 range->pmp_flags = IW_POWER_PERIOD;
6865 range->pmt_flags = IW_POWER_TIMEOUT;
6866 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6867
6868 /* Transmit Power - values are in mW */
6869 for(i = 0 ; i < 8 ; i++) {
6870 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6871 if(range->txpower[i] == 0)
6872 break;
6873 }
6874 range->num_txpower = i;
6875 range->txpower_capa = IW_TXPOW_MWATT;
6876 range->we_version_source = 19;
6877 range->we_version_compiled = WIRELESS_EXT;
6878 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6879 range->retry_flags = IW_RETRY_LIMIT;
6880 range->r_time_flags = IW_RETRY_LIFETIME;
6881 range->min_retry = 1;
6882 range->max_retry = 65535;
6883 range->min_r_time = 1024;
6884 range->max_r_time = 65535 * 1024;
6885
6886 /* Event capability (kernel + driver) */
6887 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6888 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6889 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6890 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6891 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6892 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6893 return 0;
6894 }
6895
6896 /*------------------------------------------------------------------*/
6897 /*
6898 * Wireless Handler : set Power Management
6899 */
6900 static int airo_set_power(struct net_device *dev,
6901 struct iw_request_info *info,
6902 struct iw_param *vwrq,
6903 char *extra)
6904 {
6905 struct airo_info *local = dev->ml_priv;
6906
6907 readConfigRid(local, 1);
6908 if (vwrq->disabled) {
6909 if (sniffing_mode(local))
6910 return -EINVAL;
6911 local->config.powerSaveMode = POWERSAVE_CAM;
6912 local->config.rmode &= ~RXMODE_MASK;
6913 local->config.rmode |= RXMODE_BC_MC_ADDR;
6914 set_bit (FLAG_COMMIT, &local->flags);
6915 return -EINPROGRESS; /* Call commit handler */
6916 }
6917 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6918 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
6919 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6920 set_bit (FLAG_COMMIT, &local->flags);
6921 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6922 local->config.fastListenInterval =
6923 local->config.listenInterval =
6924 cpu_to_le16((vwrq->value + 500) / 1024);
6925 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6926 set_bit (FLAG_COMMIT, &local->flags);
6927 }
6928 switch (vwrq->flags & IW_POWER_MODE) {
6929 case IW_POWER_UNICAST_R:
6930 if (sniffing_mode(local))
6931 return -EINVAL;
6932 local->config.rmode &= ~RXMODE_MASK;
6933 local->config.rmode |= RXMODE_ADDR;
6934 set_bit (FLAG_COMMIT, &local->flags);
6935 break;
6936 case IW_POWER_ALL_R:
6937 if (sniffing_mode(local))
6938 return -EINVAL;
6939 local->config.rmode &= ~RXMODE_MASK;
6940 local->config.rmode |= RXMODE_BC_MC_ADDR;
6941 set_bit (FLAG_COMMIT, &local->flags);
6942 case IW_POWER_ON:
6943 /* This is broken, fixme ;-) */
6944 break;
6945 default:
6946 return -EINVAL;
6947 }
6948 // Note : we may want to factor local->need_commit here
6949 // Note2 : may also want to factor RXMODE_RFMON test
6950 return -EINPROGRESS; /* Call commit handler */
6951 }
6952
6953 /*------------------------------------------------------------------*/
6954 /*
6955 * Wireless Handler : get Power Management
6956 */
6957 static int airo_get_power(struct net_device *dev,
6958 struct iw_request_info *info,
6959 struct iw_param *vwrq,
6960 char *extra)
6961 {
6962 struct airo_info *local = dev->ml_priv;
6963 __le16 mode;
6964
6965 readConfigRid(local, 1);
6966 mode = local->config.powerSaveMode;
6967 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6968 return 0;
6969 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6970 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
6971 vwrq->flags = IW_POWER_TIMEOUT;
6972 } else {
6973 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
6974 vwrq->flags = IW_POWER_PERIOD;
6975 }
6976 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
6977 vwrq->flags |= IW_POWER_UNICAST_R;
6978 else
6979 vwrq->flags |= IW_POWER_ALL_R;
6980
6981 return 0;
6982 }
6983
6984 /*------------------------------------------------------------------*/
6985 /*
6986 * Wireless Handler : set Sensitivity
6987 */
6988 static int airo_set_sens(struct net_device *dev,
6989 struct iw_request_info *info,
6990 struct iw_param *vwrq,
6991 char *extra)
6992 {
6993 struct airo_info *local = dev->ml_priv;
6994
6995 readConfigRid(local, 1);
6996 local->config.rssiThreshold =
6997 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
6998 set_bit (FLAG_COMMIT, &local->flags);
6999
7000 return -EINPROGRESS; /* Call commit handler */
7001 }
7002
7003 /*------------------------------------------------------------------*/
7004 /*
7005 * Wireless Handler : get Sensitivity
7006 */
7007 static int airo_get_sens(struct net_device *dev,
7008 struct iw_request_info *info,
7009 struct iw_param *vwrq,
7010 char *extra)
7011 {
7012 struct airo_info *local = dev->ml_priv;
7013
7014 readConfigRid(local, 1);
7015 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7016 vwrq->disabled = (vwrq->value == 0);
7017 vwrq->fixed = 1;
7018
7019 return 0;
7020 }
7021
7022 /*------------------------------------------------------------------*/
7023 /*
7024 * Wireless Handler : get AP List
7025 * Note : this is deprecated in favor of IWSCAN
7026 */
7027 static int airo_get_aplist(struct net_device *dev,
7028 struct iw_request_info *info,
7029 struct iw_point *dwrq,
7030 char *extra)
7031 {
7032 struct airo_info *local = dev->ml_priv;
7033 struct sockaddr *address = (struct sockaddr *) extra;
7034 struct iw_quality qual[IW_MAX_AP];
7035 BSSListRid BSSList;
7036 int i;
7037 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7038
7039 for (i = 0; i < IW_MAX_AP; i++) {
7040 u16 dBm;
7041 if (readBSSListRid(local, loseSync, &BSSList))
7042 break;
7043 loseSync = 0;
7044 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7045 address[i].sa_family = ARPHRD_ETHER;
7046 dBm = le16_to_cpu(BSSList.dBm);
7047 if (local->rssi) {
7048 qual[i].level = 0x100 - dBm;
7049 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7050 qual[i].updated = IW_QUAL_QUAL_UPDATED
7051 | IW_QUAL_LEVEL_UPDATED
7052 | IW_QUAL_DBM;
7053 } else {
7054 qual[i].level = (dBm + 321) / 2;
7055 qual[i].qual = 0;
7056 qual[i].updated = IW_QUAL_QUAL_INVALID
7057 | IW_QUAL_LEVEL_UPDATED
7058 | IW_QUAL_DBM;
7059 }
7060 qual[i].noise = local->wstats.qual.noise;
7061 if (BSSList.index == cpu_to_le16(0xffff))
7062 break;
7063 }
7064 if (!i) {
7065 StatusRid status_rid; /* Card status info */
7066 readStatusRid(local, &status_rid, 1);
7067 for (i = 0;
7068 i < min(IW_MAX_AP, 4) &&
7069 (status_rid.bssid[i][0]
7070 & status_rid.bssid[i][1]
7071 & status_rid.bssid[i][2]
7072 & status_rid.bssid[i][3]
7073 & status_rid.bssid[i][4]
7074 & status_rid.bssid[i][5])!=0xff &&
7075 (status_rid.bssid[i][0]
7076 | status_rid.bssid[i][1]
7077 | status_rid.bssid[i][2]
7078 | status_rid.bssid[i][3]
7079 | status_rid.bssid[i][4]
7080 | status_rid.bssid[i][5]);
7081 i++) {
7082 memcpy(address[i].sa_data,
7083 status_rid.bssid[i], ETH_ALEN);
7084 address[i].sa_family = ARPHRD_ETHER;
7085 }
7086 } else {
7087 dwrq->flags = 1; /* Should be define'd */
7088 memcpy(extra + sizeof(struct sockaddr)*i,
7089 &qual, sizeof(struct iw_quality)*i);
7090 }
7091 dwrq->length = i;
7092
7093 return 0;
7094 }
7095
7096 /*------------------------------------------------------------------*/
7097 /*
7098 * Wireless Handler : Initiate Scan
7099 */
7100 static int airo_set_scan(struct net_device *dev,
7101 struct iw_request_info *info,
7102 struct iw_point *dwrq,
7103 char *extra)
7104 {
7105 struct airo_info *ai = dev->ml_priv;
7106 Cmd cmd;
7107 Resp rsp;
7108 int wake = 0;
7109
7110 /* Note : you may have realised that, as this is a SET operation,
7111 * this is privileged and therefore a normal user can't
7112 * perform scanning.
7113 * This is not an error, while the device perform scanning,
7114 * traffic doesn't flow, so it's a perfect DoS...
7115 * Jean II */
7116 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7117
7118 if (down_interruptible(&ai->sem))
7119 return -ERESTARTSYS;
7120
7121 /* If there's already a scan in progress, don't
7122 * trigger another one. */
7123 if (ai->scan_timeout > 0)
7124 goto out;
7125
7126 /* Initiate a scan command */
7127 ai->scan_timeout = RUN_AT(3*HZ);
7128 memset(&cmd, 0, sizeof(cmd));
7129 cmd.cmd=CMD_LISTBSS;
7130 issuecommand(ai, &cmd, &rsp);
7131 wake = 1;
7132
7133 out:
7134 up(&ai->sem);
7135 if (wake)
7136 wake_up_interruptible(&ai->thr_wait);
7137 return 0;
7138 }
7139
7140 /*------------------------------------------------------------------*/
7141 /*
7142 * Translate scan data returned from the card to a card independent
7143 * format that the Wireless Tools will understand - Jean II
7144 */
7145 static inline char *airo_translate_scan(struct net_device *dev,
7146 struct iw_request_info *info,
7147 char *current_ev,
7148 char *end_buf,
7149 BSSListRid *bss)
7150 {
7151 struct airo_info *ai = dev->ml_priv;
7152 struct iw_event iwe; /* Temporary buffer */
7153 __le16 capabilities;
7154 char * current_val; /* For rates */
7155 int i;
7156 char * buf;
7157 u16 dBm;
7158
7159 /* First entry *MUST* be the AP MAC address */
7160 iwe.cmd = SIOCGIWAP;
7161 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7162 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7163 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7164 &iwe, IW_EV_ADDR_LEN);
7165
7166 /* Other entries will be displayed in the order we give them */
7167
7168 /* Add the ESSID */
7169 iwe.u.data.length = bss->ssidLen;
7170 if(iwe.u.data.length > 32)
7171 iwe.u.data.length = 32;
7172 iwe.cmd = SIOCGIWESSID;
7173 iwe.u.data.flags = 1;
7174 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7175 &iwe, bss->ssid);
7176
7177 /* Add mode */
7178 iwe.cmd = SIOCGIWMODE;
7179 capabilities = bss->cap;
7180 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7181 if(capabilities & CAP_ESS)
7182 iwe.u.mode = IW_MODE_MASTER;
7183 else
7184 iwe.u.mode = IW_MODE_ADHOC;
7185 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7186 &iwe, IW_EV_UINT_LEN);
7187 }
7188
7189 /* Add frequency */
7190 iwe.cmd = SIOCGIWFREQ;
7191 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7192 /* iwe.u.freq.m containt the channel (starting 1), our
7193 * frequency_list array start at index 0...
7194 */
7195 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7196 iwe.u.freq.e = 1;
7197 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7198 &iwe, IW_EV_FREQ_LEN);
7199
7200 dBm = le16_to_cpu(bss->dBm);
7201
7202 /* Add quality statistics */
7203 iwe.cmd = IWEVQUAL;
7204 if (ai->rssi) {
7205 iwe.u.qual.level = 0x100 - dBm;
7206 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7207 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7208 | IW_QUAL_LEVEL_UPDATED
7209 | IW_QUAL_DBM;
7210 } else {
7211 iwe.u.qual.level = (dBm + 321) / 2;
7212 iwe.u.qual.qual = 0;
7213 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7214 | IW_QUAL_LEVEL_UPDATED
7215 | IW_QUAL_DBM;
7216 }
7217 iwe.u.qual.noise = ai->wstats.qual.noise;
7218 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7219 &iwe, IW_EV_QUAL_LEN);
7220
7221 /* Add encryption capability */
7222 iwe.cmd = SIOCGIWENCODE;
7223 if(capabilities & CAP_PRIVACY)
7224 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7225 else
7226 iwe.u.data.flags = IW_ENCODE_DISABLED;
7227 iwe.u.data.length = 0;
7228 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7229 &iwe, bss->ssid);
7230
7231 /* Rate : stuffing multiple values in a single event require a bit
7232 * more of magic - Jean II */
7233 current_val = current_ev + iwe_stream_lcp_len(info);
7234
7235 iwe.cmd = SIOCGIWRATE;
7236 /* Those two flags are ignored... */
7237 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7238 /* Max 8 values */
7239 for(i = 0 ; i < 8 ; i++) {
7240 /* NULL terminated */
7241 if(bss->rates[i] == 0)
7242 break;
7243 /* Bit rate given in 500 kb/s units (+ 0x80) */
7244 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7245 /* Add new value to event */
7246 current_val = iwe_stream_add_value(info, current_ev,
7247 current_val, end_buf,
7248 &iwe, IW_EV_PARAM_LEN);
7249 }
7250 /* Check if we added any event */
7251 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7252 current_ev = current_val;
7253
7254 /* Beacon interval */
7255 buf = kmalloc(30, GFP_KERNEL);
7256 if (buf) {
7257 iwe.cmd = IWEVCUSTOM;
7258 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7259 iwe.u.data.length = strlen(buf);
7260 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7261 &iwe, buf);
7262 kfree(buf);
7263 }
7264
7265 /* Put WPA/RSN Information Elements into the event stream */
7266 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7267 unsigned int num_null_ies = 0;
7268 u16 length = sizeof (bss->extra.iep);
7269 u8 *ie = (void *)&bss->extra.iep;
7270
7271 while ((length >= 2) && (num_null_ies < 2)) {
7272 if (2 + ie[1] > length) {
7273 /* Invalid element, don't continue parsing IE */
7274 break;
7275 }
7276
7277 switch (ie[0]) {
7278 case WLAN_EID_SSID:
7279 /* Two zero-length SSID elements
7280 * mean we're done parsing elements */
7281 if (!ie[1])
7282 num_null_ies++;
7283 break;
7284
7285 case WLAN_EID_GENERIC:
7286 if (ie[1] >= 4 &&
7287 ie[2] == 0x00 &&
7288 ie[3] == 0x50 &&
7289 ie[4] == 0xf2 &&
7290 ie[5] == 0x01) {
7291 iwe.cmd = IWEVGENIE;
7292 /* 64 is an arbitrary cut-off */
7293 iwe.u.data.length = min(ie[1] + 2,
7294 64);
7295 current_ev = iwe_stream_add_point(
7296 info, current_ev,
7297 end_buf, &iwe, ie);
7298 }
7299 break;
7300
7301 case WLAN_EID_RSN:
7302 iwe.cmd = IWEVGENIE;
7303 /* 64 is an arbitrary cut-off */
7304 iwe.u.data.length = min(ie[1] + 2, 64);
7305 current_ev = iwe_stream_add_point(
7306 info, current_ev, end_buf,
7307 &iwe, ie);
7308 break;
7309
7310 default:
7311 break;
7312 }
7313
7314 length -= 2 + ie[1];
7315 ie += 2 + ie[1];
7316 }
7317 }
7318 return current_ev;
7319 }
7320
7321 /*------------------------------------------------------------------*/
7322 /*
7323 * Wireless Handler : Read Scan Results
7324 */
7325 static int airo_get_scan(struct net_device *dev,
7326 struct iw_request_info *info,
7327 struct iw_point *dwrq,
7328 char *extra)
7329 {
7330 struct airo_info *ai = dev->ml_priv;
7331 BSSListElement *net;
7332 int err = 0;
7333 char *current_ev = extra;
7334
7335 /* If a scan is in-progress, return -EAGAIN */
7336 if (ai->scan_timeout > 0)
7337 return -EAGAIN;
7338
7339 if (down_interruptible(&ai->sem))
7340 return -EAGAIN;
7341
7342 list_for_each_entry (net, &ai->network_list, list) {
7343 /* Translate to WE format this entry */
7344 current_ev = airo_translate_scan(dev, info, current_ev,
7345 extra + dwrq->length,
7346 &net->bss);
7347
7348 /* Check if there is space for one more entry */
7349 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7350 /* Ask user space to try again with a bigger buffer */
7351 err = -E2BIG;
7352 goto out;
7353 }
7354 }
7355
7356 /* Length of data */
7357 dwrq->length = (current_ev - extra);
7358 dwrq->flags = 0; /* todo */
7359
7360 out:
7361 up(&ai->sem);
7362 return err;
7363 }
7364
7365 /*------------------------------------------------------------------*/
7366 /*
7367 * Commit handler : called after a bunch of SET operations
7368 */
7369 static int airo_config_commit(struct net_device *dev,
7370 struct iw_request_info *info, /* NULL */
7371 void *zwrq, /* NULL */
7372 char *extra) /* NULL */
7373 {
7374 struct airo_info *local = dev->ml_priv;
7375
7376 if (!test_bit (FLAG_COMMIT, &local->flags))
7377 return 0;
7378
7379 /* Some of the "SET" function may have modified some of the
7380 * parameters. It's now time to commit them in the card */
7381 disable_MAC(local, 1);
7382 if (test_bit (FLAG_RESET, &local->flags)) {
7383 APListRid APList_rid;
7384 SsidRid SSID_rid;
7385
7386 readAPListRid(local, &APList_rid);
7387 readSsidRid(local, &SSID_rid);
7388 if (test_bit(FLAG_MPI,&local->flags))
7389 setup_card(local, dev->dev_addr, 1 );
7390 else
7391 reset_airo_card(dev);
7392 disable_MAC(local, 1);
7393 writeSsidRid(local, &SSID_rid, 1);
7394 writeAPListRid(local, &APList_rid, 1);
7395 }
7396 if (down_interruptible(&local->sem))
7397 return -ERESTARTSYS;
7398 writeConfigRid(local, 0);
7399 enable_MAC(local, 0);
7400 if (test_bit (FLAG_RESET, &local->flags))
7401 airo_set_promisc(local);
7402 else
7403 up(&local->sem);
7404
7405 return 0;
7406 }
7407
7408 /*------------------------------------------------------------------*/
7409 /*
7410 * Structures to export the Wireless Handlers
7411 */
7412
7413 static const struct iw_priv_args airo_private_args[] = {
7414 /*{ cmd, set_args, get_args, name } */
7415 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7416 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7417 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7418 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7419 };
7420
7421 static const iw_handler airo_handler[] =
7422 {
7423 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7424 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7425 (iw_handler) NULL, /* SIOCSIWNWID */
7426 (iw_handler) NULL, /* SIOCGIWNWID */
7427 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7428 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7429 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7430 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7431 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7432 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7433 (iw_handler) NULL, /* SIOCSIWRANGE */
7434 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7435 (iw_handler) NULL, /* SIOCSIWPRIV */
7436 (iw_handler) NULL, /* SIOCGIWPRIV */
7437 (iw_handler) NULL, /* SIOCSIWSTATS */
7438 (iw_handler) NULL, /* SIOCGIWSTATS */
7439 iw_handler_set_spy, /* SIOCSIWSPY */
7440 iw_handler_get_spy, /* SIOCGIWSPY */
7441 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7442 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7443 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7444 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7445 (iw_handler) NULL, /* -- hole -- */
7446 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7447 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7448 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7449 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7450 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7451 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7452 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7453 (iw_handler) NULL, /* -- hole -- */
7454 (iw_handler) NULL, /* -- hole -- */
7455 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7456 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7457 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7458 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7459 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7460 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7461 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7462 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7463 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7464 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7465 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7466 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7467 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7468 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7469 (iw_handler) NULL, /* -- hole -- */
7470 (iw_handler) NULL, /* -- hole -- */
7471 (iw_handler) NULL, /* SIOCSIWGENIE */
7472 (iw_handler) NULL, /* SIOCGIWGENIE */
7473 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7474 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7475 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7476 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7477 (iw_handler) NULL, /* SIOCSIWPMKSA */
7478 };
7479
7480 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7481 * We want to force the use of the ioctl code, because those can't be
7482 * won't work the iw_handler code (because they simultaneously read
7483 * and write data and iw_handler can't do that).
7484 * Note that it's perfectly legal to read/write on a single ioctl command,
7485 * you just can't use iwpriv and need to force it via the ioctl handler.
7486 * Jean II */
7487 static const iw_handler airo_private_handler[] =
7488 {
7489 NULL, /* SIOCIWFIRSTPRIV */
7490 };
7491
7492 static const struct iw_handler_def airo_handler_def =
7493 {
7494 .num_standard = ARRAY_SIZE(airo_handler),
7495 .num_private = ARRAY_SIZE(airo_private_handler),
7496 .num_private_args = ARRAY_SIZE(airo_private_args),
7497 .standard = airo_handler,
7498 .private = airo_private_handler,
7499 .private_args = airo_private_args,
7500 .get_wireless_stats = airo_get_wireless_stats,
7501 };
7502
7503 /*
7504 * This defines the configuration part of the Wireless Extensions
7505 * Note : irq and spinlock protection will occur in the subroutines
7506 *
7507 * TODO :
7508 * o Check input value more carefully and fill correct values in range
7509 * o Test and shakeout the bugs (if any)
7510 *
7511 * Jean II
7512 *
7513 * Javier Achirica did a great job of merging code from the unnamed CISCO
7514 * developer that added support for flashing the card.
7515 */
7516 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7517 {
7518 int rc = 0;
7519 struct airo_info *ai = dev->ml_priv;
7520
7521 if (ai->power.event)
7522 return 0;
7523
7524 switch (cmd) {
7525 #ifdef CISCO_EXT
7526 case AIROIDIFC:
7527 #ifdef AIROOLDIDIFC
7528 case AIROOLDIDIFC:
7529 #endif
7530 {
7531 int val = AIROMAGIC;
7532 aironet_ioctl com;
7533 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7534 rc = -EFAULT;
7535 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7536 rc = -EFAULT;
7537 }
7538 break;
7539
7540 case AIROIOCTL:
7541 #ifdef AIROOLDIOCTL
7542 case AIROOLDIOCTL:
7543 #endif
7544 /* Get the command struct and hand it off for evaluation by
7545 * the proper subfunction
7546 */
7547 {
7548 aironet_ioctl com;
7549 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7550 rc = -EFAULT;
7551 break;
7552 }
7553
7554 /* Separate R/W functions bracket legality here
7555 */
7556 if ( com.command == AIRORSWVERSION ) {
7557 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7558 rc = -EFAULT;
7559 else
7560 rc = 0;
7561 }
7562 else if ( com.command <= AIRORRID)
7563 rc = readrids(dev,&com);
7564 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7565 rc = writerids(dev,&com);
7566 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7567 rc = flashcard(dev,&com);
7568 else
7569 rc = -EINVAL; /* Bad command in ioctl */
7570 }
7571 break;
7572 #endif /* CISCO_EXT */
7573
7574 // All other calls are currently unsupported
7575 default:
7576 rc = -EOPNOTSUPP;
7577 }
7578 return rc;
7579 }
7580
7581 /*
7582 * Get the Wireless stats out of the driver
7583 * Note : irq and spinlock protection will occur in the subroutines
7584 *
7585 * TODO :
7586 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7587 *
7588 * Jean
7589 */
7590 static void airo_read_wireless_stats(struct airo_info *local)
7591 {
7592 StatusRid status_rid;
7593 StatsRid stats_rid;
7594 CapabilityRid cap_rid;
7595 __le32 *vals = stats_rid.vals;
7596
7597 /* Get stats out of the card */
7598 clear_bit(JOB_WSTATS, &local->jobs);
7599 if (local->power.event) {
7600 up(&local->sem);
7601 return;
7602 }
7603 readCapabilityRid(local, &cap_rid, 0);
7604 readStatusRid(local, &status_rid, 0);
7605 readStatsRid(local, &stats_rid, RID_STATS, 0);
7606 up(&local->sem);
7607
7608 /* The status */
7609 local->wstats.status = le16_to_cpu(status_rid.mode);
7610
7611 /* Signal quality and co */
7612 if (local->rssi) {
7613 local->wstats.qual.level =
7614 airo_rssi_to_dbm(local->rssi,
7615 le16_to_cpu(status_rid.sigQuality));
7616 /* normalizedSignalStrength appears to be a percentage */
7617 local->wstats.qual.qual =
7618 le16_to_cpu(status_rid.normalizedSignalStrength);
7619 } else {
7620 local->wstats.qual.level =
7621 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7622 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7623 }
7624 if (le16_to_cpu(status_rid.len) >= 124) {
7625 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7626 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7627 } else {
7628 local->wstats.qual.noise = 0;
7629 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7630 }
7631
7632 /* Packets discarded in the wireless adapter due to wireless
7633 * specific problems */
7634 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7635 le32_to_cpu(vals[57]) +
7636 le32_to_cpu(vals[58]); /* SSID Mismatch */
7637 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7638 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7639 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7640 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7641 le32_to_cpu(vals[32]);
7642 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7643 }
7644
7645 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7646 {
7647 struct airo_info *local = dev->ml_priv;
7648
7649 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7650 /* Get stats out of the card if available */
7651 if (down_trylock(&local->sem) != 0) {
7652 set_bit(JOB_WSTATS, &local->jobs);
7653 wake_up_interruptible(&local->thr_wait);
7654 } else
7655 airo_read_wireless_stats(local);
7656 }
7657
7658 return &local->wstats;
7659 }
7660
7661 #ifdef CISCO_EXT
7662 /*
7663 * This just translates from driver IOCTL codes to the command codes to
7664 * feed to the radio's host interface. Things can be added/deleted
7665 * as needed. This represents the READ side of control I/O to
7666 * the card
7667 */
7668 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7669 unsigned short ridcode;
7670 unsigned char *iobuf;
7671 int len;
7672 struct airo_info *ai = dev->ml_priv;
7673
7674 if (test_bit(FLAG_FLASHING, &ai->flags))
7675 return -EIO;
7676
7677 switch(comp->command)
7678 {
7679 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7680 case AIROGCFG: ridcode = RID_CONFIG;
7681 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7682 disable_MAC (ai, 1);
7683 writeConfigRid (ai, 1);
7684 enable_MAC(ai, 1);
7685 }
7686 break;
7687 case AIROGSLIST: ridcode = RID_SSID; break;
7688 case AIROGVLIST: ridcode = RID_APLIST; break;
7689 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7690 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7691 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7692 /* Only super-user can read WEP keys */
7693 if (!capable(CAP_NET_ADMIN))
7694 return -EPERM;
7695 break;
7696 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7697 /* Only super-user can read WEP keys */
7698 if (!capable(CAP_NET_ADMIN))
7699 return -EPERM;
7700 break;
7701 case AIROGSTAT: ridcode = RID_STATUS; break;
7702 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7703 case AIROGSTATSC32: ridcode = RID_STATS; break;
7704 case AIROGMICSTATS:
7705 if (copy_to_user(comp->data, &ai->micstats,
7706 min((int)comp->len,(int)sizeof(ai->micstats))))
7707 return -EFAULT;
7708 return 0;
7709 case AIRORRID: ridcode = comp->ridnum; break;
7710 default:
7711 return -EINVAL;
7712 break;
7713 }
7714
7715 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7716 return -ENOMEM;
7717
7718 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7719 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7720 * then return it to the user
7721 * 9/22/2000 Honor user given length
7722 */
7723 len = comp->len;
7724
7725 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7726 kfree (iobuf);
7727 return -EFAULT;
7728 }
7729 kfree (iobuf);
7730 return 0;
7731 }
7732
7733 /*
7734 * Danger Will Robinson write the rids here
7735 */
7736
7737 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7738 struct airo_info *ai = dev->ml_priv;
7739 int ridcode;
7740 int enabled;
7741 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7742 unsigned char *iobuf;
7743
7744 /* Only super-user can write RIDs */
7745 if (!capable(CAP_NET_ADMIN))
7746 return -EPERM;
7747
7748 if (test_bit(FLAG_FLASHING, &ai->flags))
7749 return -EIO;
7750
7751 ridcode = 0;
7752 writer = do_writerid;
7753
7754 switch(comp->command)
7755 {
7756 case AIROPSIDS: ridcode = RID_SSID; break;
7757 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7758 case AIROPAPLIST: ridcode = RID_APLIST; break;
7759 case AIROPCFG: ai->config.len = 0;
7760 clear_bit(FLAG_COMMIT, &ai->flags);
7761 ridcode = RID_CONFIG; break;
7762 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7763 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7764 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7765 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7766 break;
7767 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7768 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7769
7770 /* this is not really a rid but a command given to the card
7771 * same with MAC off
7772 */
7773 case AIROPMACON:
7774 if (enable_MAC(ai, 1) != 0)
7775 return -EIO;
7776 return 0;
7777
7778 /*
7779 * Evidently this code in the airo driver does not get a symbol
7780 * as disable_MAC. it's probably so short the compiler does not gen one.
7781 */
7782 case AIROPMACOFF:
7783 disable_MAC(ai, 1);
7784 return 0;
7785
7786 /* This command merely clears the counts does not actually store any data
7787 * only reads rid. But as it changes the cards state, I put it in the
7788 * writerid routines.
7789 */
7790 case AIROPSTCLR:
7791 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7792 return -ENOMEM;
7793
7794 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7795
7796 enabled = ai->micstats.enabled;
7797 memset(&ai->micstats,0,sizeof(ai->micstats));
7798 ai->micstats.enabled = enabled;
7799
7800 if (copy_to_user(comp->data, iobuf,
7801 min((int)comp->len, (int)RIDSIZE))) {
7802 kfree (iobuf);
7803 return -EFAULT;
7804 }
7805 kfree (iobuf);
7806 return 0;
7807
7808 default:
7809 return -EOPNOTSUPP; /* Blarg! */
7810 }
7811 if(comp->len > RIDSIZE)
7812 return -EINVAL;
7813
7814 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7815 return -ENOMEM;
7816
7817 if (copy_from_user(iobuf,comp->data,comp->len)) {
7818 kfree (iobuf);
7819 return -EFAULT;
7820 }
7821
7822 if (comp->command == AIROPCFG) {
7823 ConfigRid *cfg = (ConfigRid *)iobuf;
7824
7825 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7826 cfg->opmode |= MODE_MIC;
7827
7828 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7829 set_bit (FLAG_ADHOC, &ai->flags);
7830 else
7831 clear_bit (FLAG_ADHOC, &ai->flags);
7832 }
7833
7834 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7835 kfree (iobuf);
7836 return -EIO;
7837 }
7838 kfree (iobuf);
7839 return 0;
7840 }
7841
7842 /*****************************************************************************
7843 * Ancillary flash / mod functions much black magic lurkes here *
7844 *****************************************************************************
7845 */
7846
7847 /*
7848 * Flash command switch table
7849 */
7850
7851 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7852 int z;
7853
7854 /* Only super-user can modify flash */
7855 if (!capable(CAP_NET_ADMIN))
7856 return -EPERM;
7857
7858 switch(comp->command)
7859 {
7860 case AIROFLSHRST:
7861 return cmdreset((struct airo_info *)dev->ml_priv);
7862
7863 case AIROFLSHSTFL:
7864 if (!AIRO_FLASH(dev) &&
7865 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7866 return -ENOMEM;
7867 return setflashmode((struct airo_info *)dev->ml_priv);
7868
7869 case AIROFLSHGCHR: /* Get char from aux */
7870 if(comp->len != sizeof(int))
7871 return -EINVAL;
7872 if (copy_from_user(&z,comp->data,comp->len))
7873 return -EFAULT;
7874 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7875
7876 case AIROFLSHPCHR: /* Send char to card. */
7877 if(comp->len != sizeof(int))
7878 return -EINVAL;
7879 if (copy_from_user(&z,comp->data,comp->len))
7880 return -EFAULT;
7881 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7882
7883 case AIROFLPUTBUF: /* Send 32k to card */
7884 if (!AIRO_FLASH(dev))
7885 return -ENOMEM;
7886 if(comp->len > FLASHSIZE)
7887 return -EINVAL;
7888 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7889 return -EFAULT;
7890
7891 flashputbuf((struct airo_info *)dev->ml_priv);
7892 return 0;
7893
7894 case AIRORESTART:
7895 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
7896 return -EIO;
7897 return 0;
7898 }
7899 return -EINVAL;
7900 }
7901
7902 #define FLASH_COMMAND 0x7e7e
7903
7904 /*
7905 * STEP 1)
7906 * Disable MAC and do soft reset on
7907 * card.
7908 */
7909
7910 static int cmdreset(struct airo_info *ai) {
7911 disable_MAC(ai, 1);
7912
7913 if(!waitbusy (ai)){
7914 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7915 return -EBUSY;
7916 }
7917
7918 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7919
7920 ssleep(1); /* WAS 600 12/7/00 */
7921
7922 if(!waitbusy (ai)){
7923 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7924 return -EBUSY;
7925 }
7926 return 0;
7927 }
7928
7929 /* STEP 2)
7930 * Put the card in legendary flash
7931 * mode
7932 */
7933
7934 static int setflashmode (struct airo_info *ai) {
7935 set_bit (FLAG_FLASHING, &ai->flags);
7936
7937 OUT4500(ai, SWS0, FLASH_COMMAND);
7938 OUT4500(ai, SWS1, FLASH_COMMAND);
7939 if (probe) {
7940 OUT4500(ai, SWS0, FLASH_COMMAND);
7941 OUT4500(ai, COMMAND,0x10);
7942 } else {
7943 OUT4500(ai, SWS2, FLASH_COMMAND);
7944 OUT4500(ai, SWS3, FLASH_COMMAND);
7945 OUT4500(ai, COMMAND,0);
7946 }
7947 msleep(500); /* 500ms delay */
7948
7949 if(!waitbusy(ai)) {
7950 clear_bit (FLAG_FLASHING, &ai->flags);
7951 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7952 return -EIO;
7953 }
7954 return 0;
7955 }
7956
7957 /* Put character to SWS0 wait for dwelltime
7958 * x 50us for echo .
7959 */
7960
7961 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7962 int echo;
7963 int waittime;
7964
7965 byte |= 0x8000;
7966
7967 if(dwelltime == 0 )
7968 dwelltime = 200;
7969
7970 waittime=dwelltime;
7971
7972 /* Wait for busy bit d15 to go false indicating buffer empty */
7973 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7974 udelay (50);
7975 waittime -= 50;
7976 }
7977
7978 /* timeout for busy clear wait */
7979 if(waittime <= 0 ){
7980 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
7981 return -EBUSY;
7982 }
7983
7984 /* Port is clear now write byte and wait for it to echo back */
7985 do {
7986 OUT4500(ai,SWS0,byte);
7987 udelay(50);
7988 dwelltime -= 50;
7989 echo = IN4500(ai,SWS1);
7990 } while (dwelltime >= 0 && echo != byte);
7991
7992 OUT4500(ai,SWS1,0);
7993
7994 return (echo == byte) ? 0 : -EIO;
7995 }
7996
7997 /*
7998 * Get a character from the card matching matchbyte
7999 * Step 3)
8000 */
8001 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8002 int rchar;
8003 unsigned char rbyte=0;
8004
8005 do {
8006 rchar = IN4500(ai,SWS1);
8007
8008 if(dwelltime && !(0x8000 & rchar)){
8009 dwelltime -= 10;
8010 mdelay(10);
8011 continue;
8012 }
8013 rbyte = 0xff & rchar;
8014
8015 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8016 OUT4500(ai,SWS1,0);
8017 return 0;
8018 }
8019 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8020 break;
8021 OUT4500(ai,SWS1,0);
8022
8023 }while(dwelltime > 0);
8024 return -EIO;
8025 }
8026
8027 /*
8028 * Transfer 32k of firmware data from user buffer to our buffer and
8029 * send to the card
8030 */
8031
8032 static int flashputbuf(struct airo_info *ai){
8033 int nwords;
8034
8035 /* Write stuff */
8036 if (test_bit(FLAG_MPI,&ai->flags))
8037 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8038 else {
8039 OUT4500(ai,AUXPAGE,0x100);
8040 OUT4500(ai,AUXOFF,0);
8041
8042 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8043 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8044 }
8045 }
8046 OUT4500(ai,SWS0,0x8000);
8047
8048 return 0;
8049 }
8050
8051 /*
8052 *
8053 */
8054 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8055 int i,status;
8056
8057 ssleep(1); /* Added 12/7/00 */
8058 clear_bit (FLAG_FLASHING, &ai->flags);
8059 if (test_bit(FLAG_MPI, &ai->flags)) {
8060 status = mpi_init_descriptors(ai);
8061 if (status != SUCCESS)
8062 return status;
8063 }
8064 status = setup_card(ai, dev->dev_addr, 1);
8065
8066 if (!test_bit(FLAG_MPI,&ai->flags))
8067 for( i = 0; i < MAX_FIDS; i++ ) {
8068 ai->fids[i] = transmit_allocate
8069 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8070 }
8071
8072 ssleep(1); /* Added 12/7/00 */
8073 return status;
8074 }
8075 #endif /* CISCO_EXT */
8076
8077 /*
8078 This program is free software; you can redistribute it and/or
8079 modify it under the terms of the GNU General Public License
8080 as published by the Free Software Foundation; either version 2
8081 of the License, or (at your option) any later version.
8082
8083 This program is distributed in the hope that it will be useful,
8084 but WITHOUT ANY WARRANTY; without even the implied warranty of
8085 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8086 GNU General Public License for more details.
8087
8088 In addition:
8089
8090 Redistribution and use in source and binary forms, with or without
8091 modification, are permitted provided that the following conditions
8092 are met:
8093
8094 1. Redistributions of source code must retain the above copyright
8095 notice, this list of conditions and the following disclaimer.
8096 2. Redistributions in binary form must reproduce the above copyright
8097 notice, this list of conditions and the following disclaimer in the
8098 documentation and/or other materials provided with the distribution.
8099 3. The name of the author may not be used to endorse or promote
8100 products derived from this software without specific prior written
8101 permission.
8102
8103 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8104 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8105 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8106 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8107 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8108 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8109 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8110 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8111 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8112 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8113 POSSIBILITY OF SUCH DAMAGE.
8114 */
8115
8116 module_init(airo_init_module);
8117 module_exit(airo_cleanup_module);
Linux kernel - Deliverables
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