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