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x86/amd-iommu: Add per IOMMU reference counting
[linux/fpc-iii.git] / drivers / net / wireless / airo.c
blobabf896a7390e5172f9fdf00339102d96f7d1e17c
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/system.h>
41 #include <asm/unaligned.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
52
53 #include <linux/ieee80211.h>
54
55 #include "airo.h"
56
57 #define DRV_NAME "airo"
58
59 #ifdef CONFIG_PCI
60 static struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69 };
70 MODULE_DEVICE_TABLE(pci, card_ids);
71
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
76
77 static struct pci_driver airo_driver = {
78 .name = DRV_NAME,
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = __devexit_p(airo_pci_remove),
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84 };
85 #endif /* CONFIG_PCI */
86
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
90 #include <net/iw_handler.h> /* New driver API */
91
92 #define CISCO_EXT /* enable Cisco extensions */
93 #ifdef CISCO_EXT
94 #include <linux/delay.h>
95 #endif
96
97 /* Hack to do some power saving */
98 #define POWER_ON_DOWN
99
100 /* As you can see this list is HUGH!
101 I really don't know what a lot of these counts are about, but they
102 are all here for completeness. If the IGNLABEL macro is put in
103 infront of the label, that statistic will not be included in the list
104 of statistics in the /proc filesystem */
105
106 #define IGNLABEL(comment) NULL
107 static char *statsLabels[] = {
108 "RxOverrun",
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
112 "RxMacCrcErr",
113 "RxMacCrcOk",
114 "RxWepErr",
115 "RxWepOk",
116 "RetryLong",
117 "RetryShort",
118 "MaxRetries",
119 "NoAck",
120 "NoCts",
121 "RxAck",
122 "RxCts",
123 "TxAck",
124 "TxRts",
125 "TxCts",
126 "TxMc",
127 "TxBc",
128 "TxUcFrags",
129 "TxUcPackets",
130 "TxBeacon",
131 "RxBeacon",
132 "TxSinColl",
133 "TxMulColl",
134 "DefersNo",
135 "DefersProt",
136 "DefersEngy",
137 "DupFram",
138 "RxFragDisc",
139 "TxAged",
140 "RxAged",
141 "LostSync-MaxRetry",
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
144 "LostSync-Deauth",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
147 "HostTxMc",
148 "HostTxBc",
149 "HostTxUc",
150 "HostTxFail",
151 "HostRxMc",
152 "HostRxBc",
153 "HostRxUc",
154 "HostRxDiscard",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
164 "SsidMismatch",
165 "ApMismatch",
166 "RatesMismatch",
167 "AuthReject",
168 "AuthTimeout",
169 "AssocReject",
170 "AssocTimeout",
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
191 "RxMan",
192 "TxMan",
193 "RxRefresh",
194 "TxRefresh",
195 "RxPoll",
196 "TxPoll",
197 "HostRetries",
198 "LostSync-HostReq",
199 "HostTxBytes",
200 "HostRxBytes",
201 "ElapsedUsec",
202 "ElapsedSec",
203 "LostSyncBetterAP",
204 "PrivacyMismatch",
205 "Jammed",
206 "DiscRxNotWepped",
207 "PhyEleMismatch",
208 (char*)-1 };
209 #ifndef RUN_AT
210 #define RUN_AT(x) (jiffies+(x))
211 #endif
212
213
214 /* These variables are for insmod, since it seems that the rates
215 can only be set in setup_card. Rates should be a comma separated
216 (no spaces) list of rates (up to 8). */
217
218 static int rates[8];
219 static int basic_rate;
220 static char *ssids[3];
221
222 static int io[4];
223 static int irq[4];
224
225 static
226 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
228
229 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
232 static int adhoc;
233
234 static int probe = 1;
235
236 static int proc_uid /* = 0 */;
237
238 static int proc_gid /* = 0 */;
239
240 static int airo_perm = 0555;
241
242 static int proc_perm = 0644;
243
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
246 cards. Direct support for ISA/PCI/MPI cards and support \
247 for PCMCIA when used with airo_cs.");
248 MODULE_LICENSE("Dual BSD/GPL");
249 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250 module_param_array(io, int, NULL, 0);
251 module_param_array(irq, int, NULL, 0);
252 module_param(basic_rate, int, 0);
253 module_param_array(rates, int, NULL, 0);
254 module_param_array(ssids, charp, NULL, 0);
255 module_param(auto_wep, int, 0);
256 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
257 the authentication options until an association is made. The value of \
258 auto_wep is number of the wep keys to check. A value of 2 will try using \
259 the key at index 0 and index 1.");
260 module_param(aux_bap, int, 0);
261 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
262 than seems to work better for older cards with some older buses. Before \
263 switching it checks that the switch is needed.");
264 module_param(maxencrypt, int, 0);
265 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
266 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
267 Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
286
287 /* Return codes */
288 #define SUCCESS 0
289 #define ERROR -1
290 #define NO_PACKET -2
291
292 /* Commands */
293 #define NOP2 0x0000
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
306 #define NOP 0x0010
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
329
330 /* Command errors */
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
363
364 /* Registers */
365 #define COMMAND 0x00
366 #define PARAM0 0x02
367 #define PARAM1 0x04
368 #define PARAM2 0x06
369 #define STATUS 0x08
370 #define RESP0 0x0a
371 #define RESP1 0x0c
372 #define RESP2 0x0e
373 #define LINKSTAT 0x10
374 #define SELECT0 0x18
375 #define OFFSET0 0x1c
376 #define RXFID 0x20
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
379 #define DATA0 0x36
380 #define EVSTAT 0x30
381 #define EVINTEN 0x32
382 #define EVACK 0x34
383 #define SWS0 0x28
384 #define SWS1 0x2a
385 #define SWS2 0x2c
386 #define SWS3 0x2e
387 #define AUXPAGE 0x3A
388 #define AUXOFF 0x3C
389 #define AUXDATA 0x3E
390
391 #define FID_TX 1
392 #define FID_RX 2
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
396 #define PKTSIZE 1840
397 #define RIDSIZE 2048
398 /* Size of the transmit queue */
399 #define MAXTXQ 64
400
401 /* BAP selectors */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405 /* Flags */
406 #define COMMAND_BUSY 0x8000
407
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
411
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
414
415 #define EV_CMD 0x10
416 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_RX 0x01
418 #define EV_TX 0x02
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
421 #define EV_LINK 0x80
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #else
432 #define IGNORE_INTS (~STATUS_INTS)
433 #endif
434
435 /* RID TYPES */
436 #define RID_RW 0x20
437
438 /* The RIDs */
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
478
479 typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484 } Cmd;
485
486 typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491 } Resp;
492
493 /*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499 /* This 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 } __attribute__ ((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 } __attribute__ ((packed));
516
517 typedef struct SsidRid SsidRid;
518 struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521 } __attribute__ ((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 } __attribute__ ((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 } __attribute__ ((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 } __attribute__ ((packed));
714
715 typedef struct StatsRid StatsRid;
716 struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720 } __attribute__ ((packed));
721
722 typedef struct APListRid APListRid;
723 struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726 } __attribute__ ((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 } __attribute__ ((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 } __attribute__ ((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 } __attribute__ ((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 } __attribute__ ((packed));
810
811 typedef struct tdsRssiRid tdsRssiRid;
812 struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815 } __attribute__ ((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 } __attribute__ ((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 } __attribute__ ((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 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 } __attribute__ ((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 char 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,frame->da + ETH_ALEN * 2,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, eth->da + ETH_ALEN*2,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 && !(ai->flags & FLAG_RADIO_DOWN)) {
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 commited, 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 immediatly after it. ------------------------------------------------
1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1998 * ------------------------------------------------
1999 */
2000
2001 memcpy((char *)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 automaticly 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)||dev->mc_count>0) {
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 issueing 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 =
2726 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2727 GFP_KERNEL);
2728 if (!ai->networks) {
2729 airo_print_warn("", "Out of memory allocating beacons");
2730 return -ENOMEM;
2731 }
2732
2733 return 0;
2734 }
2735
2736 static void airo_networks_free(struct airo_info *ai)
2737 {
2738 kfree(ai->networks);
2739 ai->networks = NULL;
2740 }
2741
2742 static void airo_networks_initialize(struct airo_info *ai)
2743 {
2744 int i;
2745
2746 INIT_LIST_HEAD(&ai->network_free_list);
2747 INIT_LIST_HEAD(&ai->network_list);
2748 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2749 list_add_tail(&ai->networks[i].list,
2750 &ai->network_free_list);
2751 }
2752
2753 static const struct net_device_ops airo_netdev_ops = {
2754 .ndo_open = airo_open,
2755 .ndo_stop = airo_close,
2756 .ndo_start_xmit = airo_start_xmit,
2757 .ndo_get_stats = airo_get_stats,
2758 .ndo_set_multicast_list = airo_set_multicast_list,
2759 .ndo_set_mac_address = airo_set_mac_address,
2760 .ndo_do_ioctl = airo_ioctl,
2761 .ndo_change_mtu = airo_change_mtu,
2762 .ndo_validate_addr = eth_validate_addr,
2763 };
2764
2765 static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
2770 .ndo_set_multicast_list = airo_set_multicast_list,
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
2773 .ndo_change_mtu = airo_change_mtu,
2774 .ndo_validate_addr = eth_validate_addr,
2775 };
2776
2777
2778 static struct net_device *_init_airo_card( unsigned short irq, int port,
2779 int is_pcmcia, struct pci_dev *pci,
2780 struct device *dmdev )
2781 {
2782 struct net_device *dev;
2783 struct airo_info *ai;
2784 int i, rc;
2785 CapabilityRid cap_rid;
2786
2787 /* Create the network device object. */
2788 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2789 if (!dev) {
2790 airo_print_err("", "Couldn't alloc_etherdev");
2791 return NULL;
2792 }
2793
2794 ai = dev->ml_priv = netdev_priv(dev);
2795 ai->wifidev = NULL;
2796 ai->flags = 1 << FLAG_RADIO_DOWN;
2797 ai->jobs = 0;
2798 ai->dev = dev;
2799 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2800 airo_print_dbg("", "Found an MPI350 card");
2801 set_bit(FLAG_MPI, &ai->flags);
2802 }
2803 spin_lock_init(&ai->aux_lock);
2804 sema_init(&ai->sem, 1);
2805 ai->config.len = 0;
2806 ai->pci = pci;
2807 init_waitqueue_head (&ai->thr_wait);
2808 ai->tfm = NULL;
2809 add_airo_dev(ai);
2810
2811 if (airo_networks_allocate (ai))
2812 goto err_out_free;
2813 airo_networks_initialize (ai);
2814
2815 skb_queue_head_init (&ai->txq);
2816
2817 /* The Airo-specific entries in the device structure. */
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2820 else
2821 dev->netdev_ops = &airo_netdev_ops;
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
2825 dev->irq = irq;
2826 dev->base_addr = port;
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.%02x",
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 del_airo_dev(ai);
2934 err_out_free:
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) {
3196 case STAT_NOBEACON:
3197 airo_print_dbg(devname, "link lost (missed beacons)");
3198 break;
3199 case STAT_MAXRETRIES:
3200 case STAT_MAXARL:
3201 airo_print_dbg(devname, "link lost (max retries)");
3202 break;
3203 case STAT_FORCELOSS:
3204 airo_print_dbg(devname, "link lost (local choice)");
3205 break;
3206 case STAT_TSFSYNC:
3207 airo_print_dbg(devname, "link lost (TSF sync lost)");
3208 break;
3209 case STAT_DEAUTH:
3210 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3211 break;
3212 case STAT_DISASSOC:
3213 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3214 break;
3215 case STAT_ASSOC_FAIL:
3216 airo_print_dbg(devname, "association failed (reason: %d)",
3217 reason);
3218 break;
3219 case STAT_AUTH_FAIL:
3220 airo_print_dbg(devname, "authentication failed (reason: %d)",
3221 reason);
3222 break;
3223 default:
3224 break;
3225 }
3226 }
3227
3228 static void airo_handle_link(struct airo_info *ai)
3229 {
3230 union iwreq_data wrqu;
3231 int scan_forceloss = 0;
3232 u16 status;
3233
3234 /* Get new status and acknowledge the link change */
3235 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3236 OUT4500(ai, EVACK, EV_LINK);
3237
3238 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3239 scan_forceloss = 1;
3240
3241 airo_print_status(ai->dev->name, status);
3242
3243 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3244 if (auto_wep)
3245 ai->expires = 0;
3246 if (ai->list_bss_task)
3247 wake_up_process(ai->list_bss_task);
3248 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3249 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3250
3251 if (down_trylock(&ai->sem) != 0) {
3252 set_bit(JOB_EVENT, &ai->jobs);
3253 wake_up_interruptible(&ai->thr_wait);
3254 } else
3255 airo_send_event(ai->dev);
3256 } else if (!scan_forceloss) {
3257 if (auto_wep && !ai->expires) {
3258 ai->expires = RUN_AT(3*HZ);
3259 wake_up_interruptible(&ai->thr_wait);
3260 }
3261
3262 /* Send event to user space */
3263 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3264 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3265 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3266 }
3267 }
3268
3269 static void airo_handle_rx(struct airo_info *ai)
3270 {
3271 struct sk_buff *skb = NULL;
3272 __le16 fc, v, *buffer, tmpbuf[4];
3273 u16 len, hdrlen = 0, gap, fid;
3274 struct rx_hdr hdr;
3275 int success = 0;
3276
3277 if (test_bit(FLAG_MPI, &ai->flags)) {
3278 if (test_bit(FLAG_802_11, &ai->flags))
3279 mpi_receive_802_11(ai);
3280 else
3281 mpi_receive_802_3(ai);
3282 OUT4500(ai, EVACK, EV_RX);
3283 return;
3284 }
3285
3286 fid = IN4500(ai, RXFID);
3287
3288 /* Get the packet length */
3289 if (test_bit(FLAG_802_11, &ai->flags)) {
3290 bap_setup (ai, fid, 4, BAP0);
3291 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3292 /* Bad CRC. Ignore packet */
3293 if (le16_to_cpu(hdr.status) & 2)
3294 hdr.len = 0;
3295 if (ai->wifidev == NULL)
3296 hdr.len = 0;
3297 } else {
3298 bap_setup(ai, fid, 0x36, BAP0);
3299 bap_read(ai, &hdr.len, 2, BAP0);
3300 }
3301 len = le16_to_cpu(hdr.len);
3302
3303 if (len > AIRO_DEF_MTU) {
3304 airo_print_err(ai->dev->name, "Bad size %d", len);
3305 goto done;
3306 }
3307 if (len == 0)
3308 goto done;
3309
3310 if (test_bit(FLAG_802_11, &ai->flags)) {
3311 bap_read(ai, &fc, sizeof (fc), BAP0);
3312 hdrlen = header_len(fc);
3313 } else
3314 hdrlen = ETH_ALEN * 2;
3315
3316 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3317 if (!skb) {
3318 ai->dev->stats.rx_dropped++;
3319 goto done;
3320 }
3321
3322 skb_reserve(skb, 2); /* This way the IP header is aligned */
3323 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3324 if (test_bit(FLAG_802_11, &ai->flags)) {
3325 buffer[0] = fc;
3326 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3327 if (hdrlen == 24)
3328 bap_read(ai, tmpbuf, 6, BAP0);
3329
3330 bap_read(ai, &v, sizeof(v), BAP0);
3331 gap = le16_to_cpu(v);
3332 if (gap) {
3333 if (gap <= 8) {
3334 bap_read(ai, tmpbuf, gap, BAP0);
3335 } else {
3336 airo_print_err(ai->dev->name, "gaplen too "
3337 "big. Problems will follow...");
3338 }
3339 }
3340 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3341 } else {
3342 MICBuffer micbuf;
3343
3344 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3345 if (ai->micstats.enabled) {
3346 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3347 if (ntohs(micbuf.typelen) > 0x05DC)
3348 bap_setup(ai, fid, 0x44, BAP0);
3349 else {
3350 if (len <= sizeof (micbuf)) {
3351 dev_kfree_skb_irq(skb);
3352 goto done;
3353 }
3354
3355 len -= sizeof(micbuf);
3356 skb_trim(skb, len + hdrlen);
3357 }
3358 }
3359
3360 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3361 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3362 dev_kfree_skb_irq (skb);
3363 else
3364 success = 1;
3365 }
3366
3367 #ifdef WIRELESS_SPY
3368 if (success && (ai->spy_data.spy_number > 0)) {
3369 char *sa;
3370 struct iw_quality wstats;
3371
3372 /* Prepare spy data : addr + qual */
3373 if (!test_bit(FLAG_802_11, &ai->flags)) {
3374 sa = (char *) buffer + 6;
3375 bap_setup(ai, fid, 8, BAP0);
3376 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3377 } else
3378 sa = (char *) buffer + 10;
3379 wstats.qual = hdr.rssi[0];
3380 if (ai->rssi)
3381 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3382 else
3383 wstats.level = (hdr.rssi[1] + 321) / 2;
3384 wstats.noise = ai->wstats.qual.noise;
3385 wstats.updated = IW_QUAL_LEVEL_UPDATED
3386 | IW_QUAL_QUAL_UPDATED
3387 | IW_QUAL_DBM;
3388 /* Update spy records */
3389 wireless_spy_update(ai->dev, sa, &wstats);
3390 }
3391 #endif /* WIRELESS_SPY */
3392
3393 done:
3394 OUT4500(ai, EVACK, EV_RX);
3395
3396 if (success) {
3397 if (test_bit(FLAG_802_11, &ai->flags)) {
3398 skb_reset_mac_header(skb);
3399 skb->pkt_type = PACKET_OTHERHOST;
3400 skb->dev = ai->wifidev;
3401 skb->protocol = htons(ETH_P_802_2);
3402 } else
3403 skb->protocol = eth_type_trans(skb, ai->dev);
3404 skb->ip_summed = CHECKSUM_NONE;
3405
3406 netif_rx(skb);
3407 }
3408 }
3409
3410 static void airo_handle_tx(struct airo_info *ai, u16 status)
3411 {
3412 int i, len = 0, index = -1;
3413 u16 fid;
3414
3415 if (test_bit(FLAG_MPI, &ai->flags)) {
3416 unsigned long flags;
3417
3418 if (status & EV_TXEXC)
3419 get_tx_error(ai, -1);
3420
3421 spin_lock_irqsave(&ai->aux_lock, flags);
3422 if (!skb_queue_empty(&ai->txq)) {
3423 spin_unlock_irqrestore(&ai->aux_lock,flags);
3424 mpi_send_packet(ai->dev);
3425 } else {
3426 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3427 spin_unlock_irqrestore(&ai->aux_lock,flags);
3428 netif_wake_queue(ai->dev);
3429 }
3430 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3431 return;
3432 }
3433
3434 fid = IN4500(ai, TXCOMPLFID);
3435
3436 for(i = 0; i < MAX_FIDS; i++) {
3437 if ((ai->fids[i] & 0xffff) == fid) {
3438 len = ai->fids[i] >> 16;
3439 index = i;
3440 }
3441 }
3442
3443 if (index != -1) {
3444 if (status & EV_TXEXC)
3445 get_tx_error(ai, index);
3446
3447 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3448
3449 /* Set up to be used again */
3450 ai->fids[index] &= 0xffff;
3451 if (index < MAX_FIDS / 2) {
3452 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3453 netif_wake_queue(ai->dev);
3454 } else {
3455 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3456 netif_wake_queue(ai->wifidev);
3457 }
3458 } else {
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3460 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3461 }
3462 }
3463
3464 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3465 {
3466 struct net_device *dev = dev_id;
3467 u16 status, savedInterrupts = 0;
3468 struct airo_info *ai = dev->ml_priv;
3469 int handled = 0;
3470
3471 if (!netif_device_present(dev))
3472 return IRQ_NONE;
3473
3474 for (;;) {
3475 status = IN4500(ai, EVSTAT);
3476 if (!(status & STATUS_INTS) || (status == 0xffff))
3477 break;
3478
3479 handled = 1;
3480
3481 if (status & EV_AWAKE) {
3482 OUT4500(ai, EVACK, EV_AWAKE);
3483 OUT4500(ai, EVACK, EV_AWAKE);
3484 }
3485
3486 if (!savedInterrupts) {
3487 savedInterrupts = IN4500(ai, EVINTEN);
3488 OUT4500(ai, EVINTEN, 0);
3489 }
3490
3491 if (status & EV_MIC) {
3492 OUT4500(ai, EVACK, EV_MIC);
3493 airo_handle_cisco_mic(ai);
3494 }
3495
3496 if (status & EV_LINK) {
3497 /* Link status changed */
3498 airo_handle_link(ai);
3499 }
3500
3501 /* Check to see if there is something to receive */
3502 if (status & EV_RX)
3503 airo_handle_rx(ai);
3504
3505 /* Check to see if a packet has been transmitted */
3506 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3507 airo_handle_tx(ai, status);
3508
3509 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3510 airo_print_warn(ai->dev->name, "Got weird status %x",
3511 status & ~STATUS_INTS & ~IGNORE_INTS );
3512 }
3513 }
3514
3515 if (savedInterrupts)
3516 OUT4500(ai, EVINTEN, savedInterrupts);
3517
3518 return IRQ_RETVAL(handled);
3519 }
3520
3521 /*
3522 * Routines to talk to the card
3523 */
3524
3525 /*
3526 * This was originally written for the 4500, hence the name
3527 * NOTE: If use with 8bit mode and SMP bad things will happen!
3528 * Why would some one do 8 bit IO in an SMP machine?!?
3529 */
3530 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3531 if (test_bit(FLAG_MPI,&ai->flags))
3532 reg <<= 1;
3533 if ( !do8bitIO )
3534 outw( val, ai->dev->base_addr + reg );
3535 else {
3536 outb( val & 0xff, ai->dev->base_addr + reg );
3537 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3538 }
3539 }
3540
3541 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3542 unsigned short rc;
3543
3544 if (test_bit(FLAG_MPI,&ai->flags))
3545 reg <<= 1;
3546 if ( !do8bitIO )
3547 rc = inw( ai->dev->base_addr + reg );
3548 else {
3549 rc = inb( ai->dev->base_addr + reg );
3550 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3551 }
3552 return rc;
3553 }
3554
3555 static int enable_MAC(struct airo_info *ai, int lock)
3556 {
3557 int rc;
3558 Cmd cmd;
3559 Resp rsp;
3560
3561 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3562 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3563 * Note : we could try to use !netif_running(dev) in enable_MAC()
3564 * instead of this flag, but I don't trust it *within* the
3565 * open/close functions, and testing both flags together is
3566 * "cheaper" - Jean II */
3567 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3568
3569 if (lock && down_interruptible(&ai->sem))
3570 return -ERESTARTSYS;
3571
3572 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3573 memset(&cmd, 0, sizeof(cmd));
3574 cmd.cmd = MAC_ENABLE;
3575 rc = issuecommand(ai, &cmd, &rsp);
3576 if (rc == SUCCESS)
3577 set_bit(FLAG_ENABLED, &ai->flags);
3578 } else
3579 rc = SUCCESS;
3580
3581 if (lock)
3582 up(&ai->sem);
3583
3584 if (rc)
3585 airo_print_err(ai->dev->name, "Cannot enable MAC");
3586 else if ((rsp.status & 0xFF00) != 0) {
3587 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3588 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3589 rc = ERROR;
3590 }
3591 return rc;
3592 }
3593
3594 static void disable_MAC( struct airo_info *ai, int lock ) {
3595 Cmd cmd;
3596 Resp rsp;
3597
3598 if (lock && down_interruptible(&ai->sem))
3599 return;
3600
3601 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3602 memset(&cmd, 0, sizeof(cmd));
3603 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3604 issuecommand(ai, &cmd, &rsp);
3605 clear_bit(FLAG_ENABLED, &ai->flags);
3606 }
3607 if (lock)
3608 up(&ai->sem);
3609 }
3610
3611 static void enable_interrupts( struct airo_info *ai ) {
3612 /* Enable the interrupts */
3613 OUT4500( ai, EVINTEN, STATUS_INTS );
3614 }
3615
3616 static void disable_interrupts( struct airo_info *ai ) {
3617 OUT4500( ai, EVINTEN, 0 );
3618 }
3619
3620 static void mpi_receive_802_3(struct airo_info *ai)
3621 {
3622 RxFid rxd;
3623 int len = 0;
3624 struct sk_buff *skb;
3625 char *buffer;
3626 int off = 0;
3627 MICBuffer micbuf;
3628
3629 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3630 /* Make sure we got something */
3631 if (rxd.rdy && rxd.valid == 0) {
3632 len = rxd.len + 12;
3633 if (len < 12 || len > 2048)
3634 goto badrx;
3635
3636 skb = dev_alloc_skb(len);
3637 if (!skb) {
3638 ai->dev->stats.rx_dropped++;
3639 goto badrx;
3640 }
3641 buffer = skb_put(skb,len);
3642 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3643 if (ai->micstats.enabled) {
3644 memcpy(&micbuf,
3645 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3646 sizeof(micbuf));
3647 if (ntohs(micbuf.typelen) <= 0x05DC) {
3648 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3649 goto badmic;
3650
3651 off = sizeof(micbuf);
3652 skb_trim (skb, len - off);
3653 }
3654 }
3655 memcpy(buffer + ETH_ALEN * 2,
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3657 len - ETH_ALEN * 2 - off);
3658 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3659 badmic:
3660 dev_kfree_skb_irq (skb);
3661 goto badrx;
3662 }
3663 #ifdef WIRELESS_SPY
3664 if (ai->spy_data.spy_number > 0) {
3665 char *sa;
3666 struct iw_quality wstats;
3667 /* Prepare spy data : addr + qual */
3668 sa = buffer + ETH_ALEN;
3669 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3670 wstats.level = 0;
3671 wstats.updated = 0;
3672 /* Update spy records */
3673 wireless_spy_update(ai->dev, sa, &wstats);
3674 }
3675 #endif /* WIRELESS_SPY */
3676
3677 skb->ip_summed = CHECKSUM_NONE;
3678 skb->protocol = eth_type_trans(skb, ai->dev);
3679 netif_rx(skb);
3680 }
3681 badrx:
3682 if (rxd.valid == 0) {
3683 rxd.valid = 1;
3684 rxd.rdy = 0;
3685 rxd.len = PKTSIZE;
3686 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3687 }
3688 }
3689
3690 static void mpi_receive_802_11(struct airo_info *ai)
3691 {
3692 RxFid rxd;
3693 struct sk_buff *skb = NULL;
3694 u16 len, hdrlen = 0;
3695 __le16 fc;
3696 struct rx_hdr hdr;
3697 u16 gap;
3698 u16 *buffer;
3699 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3700
3701 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3702 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3703 ptr += sizeof(hdr);
3704 /* Bad CRC. Ignore packet */
3705 if (le16_to_cpu(hdr.status) & 2)
3706 hdr.len = 0;
3707 if (ai->wifidev == NULL)
3708 hdr.len = 0;
3709 len = le16_to_cpu(hdr.len);
3710 if (len > AIRO_DEF_MTU) {
3711 airo_print_err(ai->dev->name, "Bad size %d", len);
3712 goto badrx;
3713 }
3714 if (len == 0)
3715 goto badrx;
3716
3717 fc = get_unaligned((__le16 *)ptr);
3718 hdrlen = header_len(fc);
3719
3720 skb = dev_alloc_skb( len + hdrlen + 2 );
3721 if ( !skb ) {
3722 ai->dev->stats.rx_dropped++;
3723 goto badrx;
3724 }
3725 buffer = (u16*)skb_put (skb, len + hdrlen);
3726 memcpy ((char *)buffer, ptr, hdrlen);
3727 ptr += hdrlen;
3728 if (hdrlen == 24)
3729 ptr += 6;
3730 gap = get_unaligned_le16(ptr);
3731 ptr += sizeof(__le16);
3732 if (gap) {
3733 if (gap <= 8)
3734 ptr += gap;
3735 else
3736 airo_print_err(ai->dev->name,
3737 "gaplen too big. Problems will follow...");
3738 }
3739 memcpy ((char *)buffer + hdrlen, ptr, len);
3740 ptr += len;
3741 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3742 if (ai->spy_data.spy_number > 0) {
3743 char *sa;
3744 struct iw_quality wstats;
3745 /* Prepare spy data : addr + qual */
3746 sa = (char*)buffer + 10;
3747 wstats.qual = hdr.rssi[0];
3748 if (ai->rssi)
3749 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3750 else
3751 wstats.level = (hdr.rssi[1] + 321) / 2;
3752 wstats.noise = ai->wstats.qual.noise;
3753 wstats.updated = IW_QUAL_QUAL_UPDATED
3754 | IW_QUAL_LEVEL_UPDATED
3755 | IW_QUAL_DBM;
3756 /* Update spy records */
3757 wireless_spy_update(ai->dev, sa, &wstats);
3758 }
3759 #endif /* IW_WIRELESS_SPY */
3760 skb_reset_mac_header(skb);
3761 skb->pkt_type = PACKET_OTHERHOST;
3762 skb->dev = ai->wifidev;
3763 skb->protocol = htons(ETH_P_802_2);
3764 skb->ip_summed = CHECKSUM_NONE;
3765 netif_rx( skb );
3766
3767 badrx:
3768 if (rxd.valid == 0) {
3769 rxd.valid = 1;
3770 rxd.rdy = 0;
3771 rxd.len = PKTSIZE;
3772 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3773 }
3774 }
3775
3776 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3777 {
3778 Cmd cmd;
3779 Resp rsp;
3780 int status;
3781 SsidRid mySsid;
3782 __le16 lastindex;
3783 WepKeyRid wkr;
3784 int rc;
3785
3786 memset( &mySsid, 0, sizeof( mySsid ) );
3787 kfree (ai->flash);
3788 ai->flash = NULL;
3789
3790 /* The NOP is the first step in getting the card going */
3791 cmd.cmd = NOP;
3792 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3793 if (lock && down_interruptible(&ai->sem))
3794 return ERROR;
3795 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3796 if (lock)
3797 up(&ai->sem);
3798 return ERROR;
3799 }
3800 disable_MAC( ai, 0);
3801
3802 // Let's figure out if we need to use the AUX port
3803 if (!test_bit(FLAG_MPI,&ai->flags)) {
3804 cmd.cmd = CMD_ENABLEAUX;
3805 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3806 if (lock)
3807 up(&ai->sem);
3808 airo_print_err(ai->dev->name, "Error checking for AUX port");
3809 return ERROR;
3810 }
3811 if (!aux_bap || rsp.status & 0xff00) {
3812 ai->bap_read = fast_bap_read;
3813 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3814 } else {
3815 ai->bap_read = aux_bap_read;
3816 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3817 }
3818 }
3819 if (lock)
3820 up(&ai->sem);
3821 if (ai->config.len == 0) {
3822 int i;
3823 tdsRssiRid rssi_rid;
3824 CapabilityRid cap_rid;
3825
3826 kfree(ai->APList);
3827 ai->APList = NULL;
3828 kfree(ai->SSID);
3829 ai->SSID = NULL;
3830 // general configuration (read/modify/write)
3831 status = readConfigRid(ai, lock);
3832 if ( status != SUCCESS ) return ERROR;
3833
3834 status = readCapabilityRid(ai, &cap_rid, lock);
3835 if ( status != SUCCESS ) return ERROR;
3836
3837 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3838 if ( status == SUCCESS ) {
3839 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3840 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3841 }
3842 else {
3843 kfree(ai->rssi);
3844 ai->rssi = NULL;
3845 if (cap_rid.softCap & cpu_to_le16(8))
3846 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3847 else
3848 airo_print_warn(ai->dev->name, "unknown received signal "
3849 "level scale");
3850 }
3851 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3852 ai->config.authType = AUTH_OPEN;
3853 ai->config.modulation = MOD_CCK;
3854
3855 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3856 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3857 micsetup(ai) == SUCCESS) {
3858 ai->config.opmode |= MODE_MIC;
3859 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3860 }
3861
3862 /* Save off the MAC */
3863 for( i = 0; i < ETH_ALEN; i++ ) {
3864 mac[i] = ai->config.macAddr[i];
3865 }
3866
3867 /* Check to see if there are any insmod configured
3868 rates to add */
3869 if ( rates[0] ) {
3870 memset(ai->config.rates,0,sizeof(ai->config.rates));
3871 for( i = 0; i < 8 && rates[i]; i++ ) {
3872 ai->config.rates[i] = rates[i];
3873 }
3874 }
3875 if ( basic_rate > 0 ) {
3876 for( i = 0; i < 8; i++ ) {
3877 if ( ai->config.rates[i] == basic_rate ||
3878 !ai->config.rates ) {
3879 ai->config.rates[i] = basic_rate | 0x80;
3880 break;
3881 }
3882 }
3883 }
3884 set_bit (FLAG_COMMIT, &ai->flags);
3885 }
3886
3887 /* Setup the SSIDs if present */
3888 if ( ssids[0] ) {
3889 int i;
3890 for( i = 0; i < 3 && ssids[i]; i++ ) {
3891 size_t len = strlen(ssids[i]);
3892 if (len > 32)
3893 len = 32;
3894 mySsid.ssids[i].len = cpu_to_le16(len);
3895 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3896 }
3897 mySsid.len = cpu_to_le16(sizeof(mySsid));
3898 }
3899
3900 status = writeConfigRid(ai, lock);
3901 if ( status != SUCCESS ) return ERROR;
3902
3903 /* Set up the SSID list */
3904 if ( ssids[0] ) {
3905 status = writeSsidRid(ai, &mySsid, lock);
3906 if ( status != SUCCESS ) return ERROR;
3907 }
3908
3909 status = enable_MAC(ai, lock);
3910 if (status != SUCCESS)
3911 return ERROR;
3912
3913 /* Grab the initial wep key, we gotta save it for auto_wep */
3914 rc = readWepKeyRid(ai, &wkr, 1, lock);
3915 if (rc == SUCCESS) do {
3916 lastindex = wkr.kindex;
3917 if (wkr.kindex == cpu_to_le16(0xffff)) {
3918 ai->defindex = wkr.mac[0];
3919 }
3920 rc = readWepKeyRid(ai, &wkr, 0, lock);
3921 } while(lastindex != wkr.kindex);
3922
3923 try_auto_wep(ai);
3924
3925 return SUCCESS;
3926 }
3927
3928 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3929 // Im really paranoid about letting it run forever!
3930 int max_tries = 600000;
3931
3932 if (IN4500(ai, EVSTAT) & EV_CMD)
3933 OUT4500(ai, EVACK, EV_CMD);
3934
3935 OUT4500(ai, PARAM0, pCmd->parm0);
3936 OUT4500(ai, PARAM1, pCmd->parm1);
3937 OUT4500(ai, PARAM2, pCmd->parm2);
3938 OUT4500(ai, COMMAND, pCmd->cmd);
3939
3940 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3941 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3942 // PC4500 didn't notice command, try again
3943 OUT4500(ai, COMMAND, pCmd->cmd);
3944 if (!in_atomic() && (max_tries & 255) == 0)
3945 schedule();
3946 }
3947
3948 if ( max_tries == -1 ) {
3949 airo_print_err(ai->dev->name,
3950 "Max tries exceeded when issueing command");
3951 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3953 return ERROR;
3954 }
3955
3956 // command completed
3957 pRsp->status = IN4500(ai, STATUS);
3958 pRsp->rsp0 = IN4500(ai, RESP0);
3959 pRsp->rsp1 = IN4500(ai, RESP1);
3960 pRsp->rsp2 = IN4500(ai, RESP2);
3961 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3962 airo_print_err(ai->dev->name,
3963 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3964 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3965 pRsp->rsp2);
3966
3967 // clear stuck command busy if necessary
3968 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3970 }
3971 // acknowledge processing the status/response
3972 OUT4500(ai, EVACK, EV_CMD);
3973
3974 return SUCCESS;
3975 }
3976
3977 /* Sets up the bap to start exchange data. whichbap should
3978 * be one of the BAP0 or BAP1 defines. Locks should be held before
3979 * calling! */
3980 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3981 {
3982 int timeout = 50;
3983 int max_tries = 3;
3984
3985 OUT4500(ai, SELECT0+whichbap, rid);
3986 OUT4500(ai, OFFSET0+whichbap, offset);
3987 while (1) {
3988 int status = IN4500(ai, OFFSET0+whichbap);
3989 if (status & BAP_BUSY) {
3990 /* This isn't really a timeout, but its kinda
3991 close */
3992 if (timeout--) {
3993 continue;
3994 }
3995 } else if ( status & BAP_ERR ) {
3996 /* invalid rid or offset */
3997 airo_print_err(ai->dev->name, "BAP error %x %d",
3998 status, whichbap );
3999 return ERROR;
4000 } else if (status & BAP_DONE) { // success
4001 return SUCCESS;
4002 }
4003 if ( !(max_tries--) ) {
4004 airo_print_err(ai->dev->name,
4005 "BAP setup error too many retries\n");
4006 return ERROR;
4007 }
4008 // -- PC4500 missed it, try again
4009 OUT4500(ai, SELECT0+whichbap, rid);
4010 OUT4500(ai, OFFSET0+whichbap, offset);
4011 timeout = 50;
4012 }
4013 }
4014
4015 /* should only be called by aux_bap_read. This aux function and the
4016 following use concepts not documented in the developers guide. I
4017 got them from a patch given to my by Aironet */
4018 static u16 aux_setup(struct airo_info *ai, u16 page,
4019 u16 offset, u16 *len)
4020 {
4021 u16 next;
4022
4023 OUT4500(ai, AUXPAGE, page);
4024 OUT4500(ai, AUXOFF, 0);
4025 next = IN4500(ai, AUXDATA);
4026 *len = IN4500(ai, AUXDATA)&0xff;
4027 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4028 return next;
4029 }
4030
4031 /* requires call to bap_setup() first */
4032 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4033 int bytelen, int whichbap)
4034 {
4035 u16 len;
4036 u16 page;
4037 u16 offset;
4038 u16 next;
4039 int words;
4040 int i;
4041 unsigned long flags;
4042
4043 spin_lock_irqsave(&ai->aux_lock, flags);
4044 page = IN4500(ai, SWS0+whichbap);
4045 offset = IN4500(ai, SWS2+whichbap);
4046 next = aux_setup(ai, page, offset, &len);
4047 words = (bytelen+1)>>1;
4048
4049 for (i=0; i<words;) {
4050 int count;
4051 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4052 if ( !do8bitIO )
4053 insw( ai->dev->base_addr+DATA0+whichbap,
4054 pu16Dst+i,count );
4055 else
4056 insb( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i, count << 1 );
4058 i += count;
4059 if (i<words) {
4060 next = aux_setup(ai, next, 4, &len);
4061 }
4062 }
4063 spin_unlock_irqrestore(&ai->aux_lock, flags);
4064 return SUCCESS;
4065 }
4066
4067
4068 /* requires call to bap_setup() first */
4069 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4070 int bytelen, int whichbap)
4071 {
4072 bytelen = (bytelen + 1) & (~1); // round up to even value
4073 if ( !do8bitIO )
4074 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4075 else
4076 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4077 return SUCCESS;
4078 }
4079
4080 /* requires call to bap_setup() first */
4081 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4082 int bytelen, int whichbap)
4083 {
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 outsw( ai->dev->base_addr+DATA0+whichbap,
4087 pu16Src, bytelen>>1 );
4088 else
4089 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4090 return SUCCESS;
4091 }
4092
4093 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4094 {
4095 Cmd cmd; /* for issuing commands */
4096 Resp rsp; /* response from commands */
4097 u16 status;
4098
4099 memset(&cmd, 0, sizeof(cmd));
4100 cmd.cmd = accmd;
4101 cmd.parm0 = rid;
4102 status = issuecommand(ai, &cmd, &rsp);
4103 if (status != 0) return status;
4104 if ( (rsp.status & 0x7F00) != 0) {
4105 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4106 }
4107 return 0;
4108 }
4109
4110 /* Note, that we are using BAP1 which is also used by transmit, so
4111 * we must get a lock. */
4112 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4113 {
4114 u16 status;
4115 int rc = SUCCESS;
4116
4117 if (lock) {
4118 if (down_interruptible(&ai->sem))
4119 return ERROR;
4120 }
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4122 Cmd cmd;
4123 Resp rsp;
4124
4125 memset(&cmd, 0, sizeof(cmd));
4126 memset(&rsp, 0, sizeof(rsp));
4127 ai->config_desc.rid_desc.valid = 1;
4128 ai->config_desc.rid_desc.len = RIDSIZE;
4129 ai->config_desc.rid_desc.rid = 0;
4130 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4131
4132 cmd.cmd = CMD_ACCESS;
4133 cmd.parm0 = rid;
4134
4135 memcpy_toio(ai->config_desc.card_ram_off,
4136 &ai->config_desc.rid_desc, sizeof(Rid));
4137
4138 rc = issuecommand(ai, &cmd, &rsp);
4139
4140 if (rsp.status & 0x7f00)
4141 rc = rsp.rsp0;
4142 if (!rc)
4143 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4144 goto done;
4145 } else {
4146 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4147 rc = status;
4148 goto done;
4149 }
4150 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4151 rc = ERROR;
4152 goto done;
4153 }
4154 // read the rid length field
4155 bap_read(ai, pBuf, 2, BAP1);
4156 // length for remaining part of rid
4157 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4158
4159 if ( len <= 2 ) {
4160 airo_print_err(ai->dev->name,
4161 "Rid %x has a length of %d which is too short",
4162 (int)rid, (int)len );
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read remainder of the rid
4167 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4168 }
4169 done:
4170 if (lock)
4171 up(&ai->sem);
4172 return rc;
4173 }
4174
4175 /* Note, that we are using BAP1 which is also used by transmit, so
4176 * make sure this isnt called when a transmit is happening */
4177 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4178 const void *pBuf, int len, int lock)
4179 {
4180 u16 status;
4181 int rc = SUCCESS;
4182
4183 *(__le16*)pBuf = cpu_to_le16((u16)len);
4184
4185 if (lock) {
4186 if (down_interruptible(&ai->sem))
4187 return ERROR;
4188 }
4189 if (test_bit(FLAG_MPI,&ai->flags)) {
4190 Cmd cmd;
4191 Resp rsp;
4192
4193 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4194 airo_print_err(ai->dev->name,
4195 "%s: MAC should be disabled (rid=%04x)",
4196 __func__, rid);
4197 memset(&cmd, 0, sizeof(cmd));
4198 memset(&rsp, 0, sizeof(rsp));
4199
4200 ai->config_desc.rid_desc.valid = 1;
4201 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4202 ai->config_desc.rid_desc.rid = 0;
4203
4204 cmd.cmd = CMD_WRITERID;
4205 cmd.parm0 = rid;
4206
4207 memcpy_toio(ai->config_desc.card_ram_off,
4208 &ai->config_desc.rid_desc, sizeof(Rid));
4209
4210 if (len < 4 || len > 2047) {
4211 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4212 rc = -1;
4213 } else {
4214 memcpy((char *)ai->config_desc.virtual_host_addr,
4215 pBuf, len);
4216
4217 rc = issuecommand(ai, &cmd, &rsp);
4218 if ((rc & 0xff00) != 0) {
4219 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4220 __func__, rc);
4221 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4222 __func__, cmd.cmd);
4223 }
4224
4225 if ((rsp.status & 0x7f00))
4226 rc = rsp.rsp0;
4227 }
4228 } else {
4229 // --- first access so that we can write the rid data
4230 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4231 rc = status;
4232 goto done;
4233 }
4234 // --- now write the rid data
4235 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4236 rc = ERROR;
4237 goto done;
4238 }
4239 bap_write(ai, pBuf, len, BAP1);
4240 // ---now commit the rid data
4241 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4242 }
4243 done:
4244 if (lock)
4245 up(&ai->sem);
4246 return rc;
4247 }
4248
4249 /* Allocates a FID to be used for transmitting packets. We only use
4250 one for now. */
4251 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4252 {
4253 unsigned int loop = 3000;
4254 Cmd cmd;
4255 Resp rsp;
4256 u16 txFid;
4257 __le16 txControl;
4258
4259 cmd.cmd = CMD_ALLOCATETX;
4260 cmd.parm0 = lenPayload;
4261 if (down_interruptible(&ai->sem))
4262 return ERROR;
4263 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4264 txFid = ERROR;
4265 goto done;
4266 }
4267 if ( (rsp.status & 0xFF00) != 0) {
4268 txFid = ERROR;
4269 goto done;
4270 }
4271 /* wait for the allocate event/indication
4272 * It makes me kind of nervous that this can just sit here and spin,
4273 * but in practice it only loops like four times. */
4274 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4275 if (!loop) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279
4280 // get the allocated fid and acknowledge
4281 txFid = IN4500(ai, TXALLOCFID);
4282 OUT4500(ai, EVACK, EV_ALLOC);
4283
4284 /* The CARD is pretty cool since it converts the ethernet packet
4285 * into 802.11. Also note that we don't release the FID since we
4286 * will be using the same one over and over again. */
4287 /* We only have to setup the control once since we are not
4288 * releasing the fid. */
4289 if (raw)
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4292 else
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4296 txFid = ERROR;
4297 else
4298 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4299
4300 done:
4301 up(&ai->sem);
4302
4303 return txFid;
4304 }
4305
4306 /* In general BAP1 is dedicated to transmiting packets. However,
4307 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4308 Make sure the BAP1 spinlock is held when this is called. */
4309 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4310 {
4311 __le16 payloadLen;
4312 Cmd cmd;
4313 Resp rsp;
4314 int miclen = 0;
4315 u16 txFid = len;
4316 MICBuffer pMic;
4317
4318 len >>= 16;
4319
4320 if (len <= ETH_ALEN * 2) {
4321 airo_print_warn(ai->dev->name, "Short packet %d", len);
4322 return ERROR;
4323 }
4324 len -= ETH_ALEN * 2;
4325
4326 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4327 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4328 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4329 return ERROR;
4330 miclen = sizeof(pMic);
4331 }
4332 // packet is destination[6], source[6], payload[len-12]
4333 // write the payload length and dst/src/payload
4334 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4335 /* The hardware addresses aren't counted as part of the payload, so
4336 * we have to subtract the 12 bytes for the addresses off */
4337 payloadLen = cpu_to_le16(len + miclen);
4338 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4339 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4340 if (miclen)
4341 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4342 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4343 // issue the transmit command
4344 memset( &cmd, 0, sizeof( cmd ) );
4345 cmd.cmd = CMD_TRANSMIT;
4346 cmd.parm0 = txFid;
4347 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4348 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4349 return SUCCESS;
4350 }
4351
4352 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4353 {
4354 __le16 fc, payloadLen;
4355 Cmd cmd;
4356 Resp rsp;
4357 int hdrlen;
4358 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4359 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4360 u16 txFid = len;
4361 len >>= 16;
4362
4363 fc = *(__le16*)pPacket;
4364 hdrlen = header_len(fc);
4365
4366 if (len < hdrlen) {
4367 airo_print_warn(ai->dev->name, "Short packet %d", len);
4368 return ERROR;
4369 }
4370
4371 /* packet is 802.11 header + payload
4372 * write the payload length and dst/src/payload */
4373 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4374 /* The 802.11 header aren't counted as part of the payload, so
4375 * we have to subtract the header bytes off */
4376 payloadLen = cpu_to_le16(len-hdrlen);
4377 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4378 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4379 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4380 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4381
4382 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4383 // issue the transmit command
4384 memset( &cmd, 0, sizeof( cmd ) );
4385 cmd.cmd = CMD_TRANSMIT;
4386 cmd.parm0 = txFid;
4387 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4388 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4389 return SUCCESS;
4390 }
4391
4392 /*
4393 * This is the proc_fs routines. It is a bit messier than I would
4394 * like! Feel free to clean it up!
4395 */
4396
4397 static ssize_t proc_read( struct file *file,
4398 char __user *buffer,
4399 size_t len,
4400 loff_t *offset);
4401
4402 static ssize_t proc_write( struct file *file,
4403 const char __user *buffer,
4404 size_t len,
4405 loff_t *offset );
4406 static int proc_close( struct inode *inode, struct file *file );
4407
4408 static int proc_stats_open( struct inode *inode, struct file *file );
4409 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4410 static int proc_status_open( struct inode *inode, struct file *file );
4411 static int proc_SSID_open( struct inode *inode, struct file *file );
4412 static int proc_APList_open( struct inode *inode, struct file *file );
4413 static int proc_BSSList_open( struct inode *inode, struct file *file );
4414 static int proc_config_open( struct inode *inode, struct file *file );
4415 static int proc_wepkey_open( struct inode *inode, struct file *file );
4416
4417 static const struct file_operations proc_statsdelta_ops = {
4418 .owner = THIS_MODULE,
4419 .read = proc_read,
4420 .open = proc_statsdelta_open,
4421 .release = proc_close
4422 };
4423
4424 static const struct file_operations proc_stats_ops = {
4425 .owner = THIS_MODULE,
4426 .read = proc_read,
4427 .open = proc_stats_open,
4428 .release = proc_close
4429 };
4430
4431 static const struct file_operations proc_status_ops = {
4432 .owner = THIS_MODULE,
4433 .read = proc_read,
4434 .open = proc_status_open,
4435 .release = proc_close
4436 };
4437
4438 static const struct file_operations proc_SSID_ops = {
4439 .owner = THIS_MODULE,
4440 .read = proc_read,
4441 .write = proc_write,
4442 .open = proc_SSID_open,
4443 .release = proc_close
4444 };
4445
4446 static const struct file_operations proc_BSSList_ops = {
4447 .owner = THIS_MODULE,
4448 .read = proc_read,
4449 .write = proc_write,
4450 .open = proc_BSSList_open,
4451 .release = proc_close
4452 };
4453
4454 static const struct file_operations proc_APList_ops = {
4455 .owner = THIS_MODULE,
4456 .read = proc_read,
4457 .write = proc_write,
4458 .open = proc_APList_open,
4459 .release = proc_close
4460 };
4461
4462 static const struct file_operations proc_config_ops = {
4463 .owner = THIS_MODULE,
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_config_open,
4467 .release = proc_close
4468 };
4469
4470 static const struct file_operations proc_wepkey_ops = {
4471 .owner = THIS_MODULE,
4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_wepkey_open,
4475 .release = proc_close
4476 };
4477
4478 static struct proc_dir_entry *airo_entry;
4479
4480 struct proc_data {
4481 int release_buffer;
4482 int readlen;
4483 char *rbuffer;
4484 int writelen;
4485 int maxwritelen;
4486 char *wbuffer;
4487 void (*on_close) (struct inode *, struct file *);
4488 };
4489
4490 static int setup_proc_entry( struct net_device *dev,
4491 struct airo_info *apriv ) {
4492 struct proc_dir_entry *entry;
4493 /* First setup the device directory */
4494 strcpy(apriv->proc_name,dev->name);
4495 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4496 S_IFDIR|airo_perm,
4497 airo_entry);
4498 if (!apriv->proc_entry)
4499 goto fail;
4500 apriv->proc_entry->uid = proc_uid;
4501 apriv->proc_entry->gid = proc_gid;
4502
4503 /* Setup the StatsDelta */
4504 entry = proc_create_data("StatsDelta",
4505 S_IFREG | (S_IRUGO&proc_perm),
4506 apriv->proc_entry, &proc_statsdelta_ops, dev);
4507 if (!entry)
4508 goto fail_stats_delta;
4509 entry->uid = proc_uid;
4510 entry->gid = proc_gid;
4511
4512 /* Setup the Stats */
4513 entry = proc_create_data("Stats",
4514 S_IFREG | (S_IRUGO&proc_perm),
4515 apriv->proc_entry, &proc_stats_ops, dev);
4516 if (!entry)
4517 goto fail_stats;
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
4520
4521 /* Setup the Status */
4522 entry = proc_create_data("Status",
4523 S_IFREG | (S_IRUGO&proc_perm),
4524 apriv->proc_entry, &proc_status_ops, dev);
4525 if (!entry)
4526 goto fail_status;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4529
4530 /* Setup the Config */
4531 entry = proc_create_data("Config",
4532 S_IFREG | proc_perm,
4533 apriv->proc_entry, &proc_config_ops, dev);
4534 if (!entry)
4535 goto fail_config;
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4538
4539 /* Setup the SSID */
4540 entry = proc_create_data("SSID",
4541 S_IFREG | proc_perm,
4542 apriv->proc_entry, &proc_SSID_ops, dev);
4543 if (!entry)
4544 goto fail_ssid;
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
4547
4548 /* Setup the APList */
4549 entry = proc_create_data("APList",
4550 S_IFREG | proc_perm,
4551 apriv->proc_entry, &proc_APList_ops, dev);
4552 if (!entry)
4553 goto fail_aplist;
4554 entry->uid = proc_uid;
4555 entry->gid = proc_gid;
4556
4557 /* Setup the BSSList */
4558 entry = proc_create_data("BSSList",
4559 S_IFREG | proc_perm,
4560 apriv->proc_entry, &proc_BSSList_ops, dev);
4561 if (!entry)
4562 goto fail_bsslist;
4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
4565
4566 /* Setup the WepKey */
4567 entry = proc_create_data("WepKey",
4568 S_IFREG | proc_perm,
4569 apriv->proc_entry, &proc_wepkey_ops, dev);
4570 if (!entry)
4571 goto fail_wepkey;
4572 entry->uid = proc_uid;
4573 entry->gid = proc_gid;
4574
4575 return 0;
4576
4577 fail_wepkey:
4578 remove_proc_entry("BSSList", apriv->proc_entry);
4579 fail_bsslist:
4580 remove_proc_entry("APList", apriv->proc_entry);
4581 fail_aplist:
4582 remove_proc_entry("SSID", apriv->proc_entry);
4583 fail_ssid:
4584 remove_proc_entry("Config", apriv->proc_entry);
4585 fail_config:
4586 remove_proc_entry("Status", apriv->proc_entry);
4587 fail_status:
4588 remove_proc_entry("Stats", apriv->proc_entry);
4589 fail_stats:
4590 remove_proc_entry("StatsDelta", apriv->proc_entry);
4591 fail_stats_delta:
4592 remove_proc_entry(apriv->proc_name, airo_entry);
4593 fail:
4594 return -ENOMEM;
4595 }
4596
4597 static int takedown_proc_entry( struct net_device *dev,
4598 struct airo_info *apriv ) {
4599 if ( !apriv->proc_entry->namelen ) return 0;
4600 remove_proc_entry("Stats",apriv->proc_entry);
4601 remove_proc_entry("StatsDelta",apriv->proc_entry);
4602 remove_proc_entry("Status",apriv->proc_entry);
4603 remove_proc_entry("Config",apriv->proc_entry);
4604 remove_proc_entry("SSID",apriv->proc_entry);
4605 remove_proc_entry("APList",apriv->proc_entry);
4606 remove_proc_entry("BSSList",apriv->proc_entry);
4607 remove_proc_entry("WepKey",apriv->proc_entry);
4608 remove_proc_entry(apriv->proc_name,airo_entry);
4609 return 0;
4610 }
4611
4612 /*
4613 * What we want from the proc_fs is to be able to efficiently read
4614 * and write the configuration. To do this, we want to read the
4615 * configuration when the file is opened and write it when the file is
4616 * closed. So basically we allocate a read buffer at open and fill it
4617 * with data, and allocate a write buffer and read it at close.
4618 */
4619
4620 /*
4621 * The read routine is generic, it relies on the preallocated rbuffer
4622 * to supply the data.
4623 */
4624 static ssize_t proc_read( struct file *file,
4625 char __user *buffer,
4626 size_t len,
4627 loff_t *offset )
4628 {
4629 struct proc_data *priv = file->private_data;
4630
4631 if (!priv->rbuffer)
4632 return -EINVAL;
4633
4634 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4635 priv->readlen);
4636 }
4637
4638 /*
4639 * The write routine is generic, it fills in a preallocated rbuffer
4640 * to supply the data.
4641 */
4642 static ssize_t proc_write( struct file *file,
4643 const char __user *buffer,
4644 size_t len,
4645 loff_t *offset )
4646 {
4647 loff_t pos = *offset;
4648 struct proc_data *priv = (struct proc_data*)file->private_data;
4649
4650 if (!priv->wbuffer)
4651 return -EINVAL;
4652
4653 if (pos < 0)
4654 return -EINVAL;
4655 if (pos >= priv->maxwritelen)
4656 return 0;
4657 if (len > priv->maxwritelen - pos)
4658 len = priv->maxwritelen - pos;
4659 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4660 return -EFAULT;
4661 if ( pos + len > priv->writelen )
4662 priv->writelen = len + file->f_pos;
4663 *offset = pos + len;
4664 return len;
4665 }
4666
4667 static int proc_status_open(struct inode *inode, struct file *file)
4668 {
4669 struct proc_data *data;
4670 struct proc_dir_entry *dp = PDE(inode);
4671 struct net_device *dev = dp->data;
4672 struct airo_info *apriv = dev->ml_priv;
4673 CapabilityRid cap_rid;
4674 StatusRid status_rid;
4675 u16 mode;
4676 int i;
4677
4678 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4679 return -ENOMEM;
4680 data = (struct proc_data *)file->private_data;
4681 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4682 kfree (file->private_data);
4683 return -ENOMEM;
4684 }
4685
4686 readStatusRid(apriv, &status_rid, 1);
4687 readCapabilityRid(apriv, &cap_rid, 1);
4688
4689 mode = le16_to_cpu(status_rid.mode);
4690
4691 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4692 mode & 1 ? "CFG ": "",
4693 mode & 2 ? "ACT ": "",
4694 mode & 0x10 ? "SYN ": "",
4695 mode & 0x20 ? "LNK ": "",
4696 mode & 0x40 ? "LEAP ": "",
4697 mode & 0x80 ? "PRIV ": "",
4698 mode & 0x100 ? "KEY ": "",
4699 mode & 0x200 ? "WEP ": "",
4700 mode & 0x8000 ? "ERR ": "");
4701 sprintf( data->rbuffer+i, "Mode: %x\n"
4702 "Signal Strength: %d\n"
4703 "Signal Quality: %d\n"
4704 "SSID: %-.*s\n"
4705 "AP: %-.16s\n"
4706 "Freq: %d\n"
4707 "BitRate: %dmbs\n"
4708 "Driver Version: %s\n"
4709 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4710 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4711 "Software Version: %x\nSoftware Subversion: %x\n"
4712 "Boot block version: %x\n",
4713 le16_to_cpu(status_rid.mode),
4714 le16_to_cpu(status_rid.normalizedSignalStrength),
4715 le16_to_cpu(status_rid.signalQuality),
4716 le16_to_cpu(status_rid.SSIDlen),
4717 status_rid.SSID,
4718 status_rid.apName,
4719 le16_to_cpu(status_rid.channel),
4720 le16_to_cpu(status_rid.currentXmitRate) / 2,
4721 version,
4722 cap_rid.prodName,
4723 cap_rid.manName,
4724 cap_rid.prodVer,
4725 le16_to_cpu(cap_rid.radioType),
4726 le16_to_cpu(cap_rid.country),
4727 le16_to_cpu(cap_rid.hardVer),
4728 le16_to_cpu(cap_rid.softVer),
4729 le16_to_cpu(cap_rid.softSubVer),
4730 le16_to_cpu(cap_rid.bootBlockVer));
4731 data->readlen = strlen( data->rbuffer );
4732 return 0;
4733 }
4734
4735 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4736 static int proc_statsdelta_open( struct inode *inode,
4737 struct file *file ) {
4738 if (file->f_mode&FMODE_WRITE) {
4739 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4740 }
4741 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4742 }
4743
4744 static int proc_stats_open( struct inode *inode, struct file *file ) {
4745 return proc_stats_rid_open(inode, file, RID_STATS);
4746 }
4747
4748 static int proc_stats_rid_open( struct inode *inode,
4749 struct file *file,
4750 u16 rid )
4751 {
4752 struct proc_data *data;
4753 struct proc_dir_entry *dp = PDE(inode);
4754 struct net_device *dev = dp->data;
4755 struct airo_info *apriv = dev->ml_priv;
4756 StatsRid stats;
4757 int i, j;
4758 __le32 *vals = stats.vals;
4759 int len;
4760
4761 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4762 return -ENOMEM;
4763 data = (struct proc_data *)file->private_data;
4764 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4765 kfree (file->private_data);
4766 return -ENOMEM;
4767 }
4768
4769 readStatsRid(apriv, &stats, rid, 1);
4770 len = le16_to_cpu(stats.len);
4771
4772 j = 0;
4773 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4774 if (!statsLabels[i]) continue;
4775 if (j+strlen(statsLabels[i])+16>4096) {
4776 airo_print_warn(apriv->dev->name,
4777 "Potentially disasterous buffer overflow averted!");
4778 break;
4779 }
4780 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4781 le32_to_cpu(vals[i]));
4782 }
4783 if (i*4 >= len) {
4784 airo_print_warn(apriv->dev->name, "Got a short rid");
4785 }
4786 data->readlen = j;
4787 return 0;
4788 }
4789
4790 static int get_dec_u16( char *buffer, int *start, int limit ) {
4791 u16 value;
4792 int valid = 0;
4793 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4794 buffer[*start] <= '9'; (*start)++) {
4795 valid = 1;
4796 value *= 10;
4797 value += buffer[*start] - '0';
4798 }
4799 if ( !valid ) return -1;
4800 return value;
4801 }
4802
4803 static int airo_config_commit(struct net_device *dev,
4804 struct iw_request_info *info, void *zwrq,
4805 char *extra);
4806
4807 static inline int sniffing_mode(struct airo_info *ai)
4808 {
4809 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4810 le16_to_cpu(RXMODE_RFMON);
4811 }
4812
4813 static void proc_config_on_close(struct inode *inode, struct file *file)
4814 {
4815 struct proc_data *data = file->private_data;
4816 struct proc_dir_entry *dp = PDE(inode);
4817 struct net_device *dev = dp->data;
4818 struct airo_info *ai = dev->ml_priv;
4819 char *line;
4820
4821 if ( !data->writelen ) return;
4822
4823 readConfigRid(ai, 1);
4824 set_bit (FLAG_COMMIT, &ai->flags);
4825
4826 line = data->wbuffer;
4827 while( line[0] ) {
4828 /*** Mode processing */
4829 if ( !strncmp( line, "Mode: ", 6 ) ) {
4830 line += 6;
4831 if (sniffing_mode(ai))
4832 set_bit (FLAG_RESET, &ai->flags);
4833 ai->config.rmode &= ~RXMODE_FULL_MASK;
4834 clear_bit (FLAG_802_11, &ai->flags);
4835 ai->config.opmode &= ~MODE_CFG_MASK;
4836 ai->config.scanMode = SCANMODE_ACTIVE;
4837 if ( line[0] == 'a' ) {
4838 ai->config.opmode |= MODE_STA_IBSS;
4839 } else {
4840 ai->config.opmode |= MODE_STA_ESS;
4841 if ( line[0] == 'r' ) {
4842 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4843 ai->config.scanMode = SCANMODE_PASSIVE;
4844 set_bit (FLAG_802_11, &ai->flags);
4845 } else if ( line[0] == 'y' ) {
4846 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4847 ai->config.scanMode = SCANMODE_PASSIVE;
4848 set_bit (FLAG_802_11, &ai->flags);
4849 } else if ( line[0] == 'l' )
4850 ai->config.rmode |= RXMODE_LANMON;
4851 }
4852 set_bit (FLAG_COMMIT, &ai->flags);
4853 }
4854
4855 /*** Radio status */
4856 else if (!strncmp(line,"Radio: ", 7)) {
4857 line += 7;
4858 if (!strncmp(line,"off",3)) {
4859 set_bit (FLAG_RADIO_OFF, &ai->flags);
4860 } else {
4861 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4862 }
4863 }
4864 /*** NodeName processing */
4865 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4866 int j;
4867
4868 line += 10;
4869 memset( ai->config.nodeName, 0, 16 );
4870 /* Do the name, assume a space between the mode and node name */
4871 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4872 ai->config.nodeName[j] = line[j];
4873 }
4874 set_bit (FLAG_COMMIT, &ai->flags);
4875 }
4876
4877 /*** PowerMode processing */
4878 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4879 line += 11;
4880 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4881 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 } else if ( !strncmp( line, "PSP", 3 ) ) {
4884 ai->config.powerSaveMode = POWERSAVE_PSP;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else {
4887 ai->config.powerSaveMode = POWERSAVE_CAM;
4888 set_bit (FLAG_COMMIT, &ai->flags);
4889 }
4890 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4891 int v, i = 0, k = 0; /* i is index into line,
4892 k is index to rates */
4893
4894 line += 11;
4895 while((v = get_dec_u16(line, &i, 3))!=-1) {
4896 ai->config.rates[k++] = (u8)v;
4897 line += i + 1;
4898 i = 0;
4899 }
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4902 int v, i = 0;
4903 line += 9;
4904 v = get_dec_u16(line, &i, i+3);
4905 if ( v != -1 ) {
4906 ai->config.channelSet = cpu_to_le16(v);
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 }
4909 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4910 int v, i = 0;
4911 line += 11;
4912 v = get_dec_u16(line, &i, i+3);
4913 if ( v != -1 ) {
4914 ai->config.txPower = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 }
4917 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4918 line += 5;
4919 switch( line[0] ) {
4920 case 's':
4921 ai->config.authType = AUTH_SHAREDKEY;
4922 break;
4923 case 'e':
4924 ai->config.authType = AUTH_ENCRYPT;
4925 break;
4926 default:
4927 ai->config.authType = AUTH_OPEN;
4928 break;
4929 }
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4932 int v, i = 0;
4933
4934 line += 16;
4935 v = get_dec_u16(line, &i, 3);
4936 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4937 ai->config.longRetryLimit = cpu_to_le16(v);
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4940 int v, i = 0;
4941
4942 line += 17;
4943 v = get_dec_u16(line, &i, 3);
4944 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4945 ai->config.shortRetryLimit = cpu_to_le16(v);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4948 int v, i = 0;
4949
4950 line += 14;
4951 v = get_dec_u16(line, &i, 4);
4952 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4953 ai->config.rtsThres = cpu_to_le16(v);
4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4956 int v, i = 0;
4957
4958 line += 16;
4959 v = get_dec_u16(line, &i, 5);
4960 v = (v<0) ? 0 : v;
4961 ai->config.txLifetime = cpu_to_le16(v);
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4964 int v, i = 0;
4965
4966 line += 16;
4967 v = get_dec_u16(line, &i, 5);
4968 v = (v<0) ? 0 : v;
4969 ai->config.rxLifetime = cpu_to_le16(v);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4972 ai->config.txDiversity =
4973 (line[13]=='l') ? 1 :
4974 ((line[13]=='r')? 2: 3);
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4977 ai->config.rxDiversity =
4978 (line[13]=='l') ? 1 :
4979 ((line[13]=='r')? 2: 3);
4980 set_bit (FLAG_COMMIT, &ai->flags);
4981 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4982 int v, i = 0;
4983
4984 line += 15;
4985 v = get_dec_u16(line, &i, 4);
4986 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4987 v = v & 0xfffe; /* Make sure its even */
4988 ai->config.fragThresh = cpu_to_le16(v);
4989 set_bit (FLAG_COMMIT, &ai->flags);
4990 } else if (!strncmp(line, "Modulation: ", 12)) {
4991 line += 12;
4992 switch(*line) {
4993 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4994 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4997 }
4998 } else if (!strncmp(line, "Preamble: ", 10)) {
4999 line += 10;
5000 switch(*line) {
5001 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5002 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5004 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5005 }
5006 } else {
5007 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5008 }
5009 while( line[0] && line[0] != '\n' ) line++;
5010 if ( line[0] ) line++;
5011 }
5012 airo_config_commit(dev, NULL, NULL, NULL);
5013 }
5014
5015 static char *get_rmode(__le16 mode)
5016 {
5017 switch(mode & RXMODE_MASK) {
5018 case RXMODE_RFMON: return "rfmon";
5019 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5020 case RXMODE_LANMON: return "lanmon";
5021 }
5022 return "ESS";
5023 }
5024
5025 static int proc_config_open(struct inode *inode, struct file *file)
5026 {
5027 struct proc_data *data;
5028 struct proc_dir_entry *dp = PDE(inode);
5029 struct net_device *dev = dp->data;
5030 struct airo_info *ai = dev->ml_priv;
5031 int i;
5032 __le16 mode;
5033
5034 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5035 return -ENOMEM;
5036 data = (struct proc_data *)file->private_data;
5037 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5038 kfree (file->private_data);
5039 return -ENOMEM;
5040 }
5041 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5042 kfree (data->rbuffer);
5043 kfree (file->private_data);
5044 return -ENOMEM;
5045 }
5046 data->maxwritelen = 2048;
5047 data->on_close = proc_config_on_close;
5048
5049 readConfigRid(ai, 1);
5050
5051 mode = ai->config.opmode & MODE_CFG_MASK;
5052 i = sprintf( data->rbuffer,
5053 "Mode: %s\n"
5054 "Radio: %s\n"
5055 "NodeName: %-16s\n"
5056 "PowerMode: %s\n"
5057 "DataRates: %d %d %d %d %d %d %d %d\n"
5058 "Channel: %d\n"
5059 "XmitPower: %d\n",
5060 mode == MODE_STA_IBSS ? "adhoc" :
5061 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5062 mode == MODE_AP ? "AP" :
5063 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5064 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5065 ai->config.nodeName,
5066 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5067 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5068 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5069 "Error",
5070 (int)ai->config.rates[0],
5071 (int)ai->config.rates[1],
5072 (int)ai->config.rates[2],
5073 (int)ai->config.rates[3],
5074 (int)ai->config.rates[4],
5075 (int)ai->config.rates[5],
5076 (int)ai->config.rates[6],
5077 (int)ai->config.rates[7],
5078 le16_to_cpu(ai->config.channelSet),
5079 le16_to_cpu(ai->config.txPower)
5080 );
5081 sprintf( data->rbuffer + i,
5082 "LongRetryLimit: %d\n"
5083 "ShortRetryLimit: %d\n"
5084 "RTSThreshold: %d\n"
5085 "TXMSDULifetime: %d\n"
5086 "RXMSDULifetime: %d\n"
5087 "TXDiversity: %s\n"
5088 "RXDiversity: %s\n"
5089 "FragThreshold: %d\n"
5090 "WEP: %s\n"
5091 "Modulation: %s\n"
5092 "Preamble: %s\n",
5093 le16_to_cpu(ai->config.longRetryLimit),
5094 le16_to_cpu(ai->config.shortRetryLimit),
5095 le16_to_cpu(ai->config.rtsThres),
5096 le16_to_cpu(ai->config.txLifetime),
5097 le16_to_cpu(ai->config.rxLifetime),
5098 ai->config.txDiversity == 1 ? "left" :
5099 ai->config.txDiversity == 2 ? "right" : "both",
5100 ai->config.rxDiversity == 1 ? "left" :
5101 ai->config.rxDiversity == 2 ? "right" : "both",
5102 le16_to_cpu(ai->config.fragThresh),
5103 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5104 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5105 ai->config.modulation == MOD_DEFAULT ? "default" :
5106 ai->config.modulation == MOD_CCK ? "cck" :
5107 ai->config.modulation == MOD_MOK ? "mok" : "error",
5108 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5109 ai->config.preamble == PREAMBLE_LONG ? "long" :
5110 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5111 );
5112 data->readlen = strlen( data->rbuffer );
5113 return 0;
5114 }
5115
5116 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5117 {
5118 struct proc_data *data = (struct proc_data *)file->private_data;
5119 struct proc_dir_entry *dp = PDE(inode);
5120 struct net_device *dev = dp->data;
5121 struct airo_info *ai = dev->ml_priv;
5122 SsidRid SSID_rid;
5123 int i;
5124 char *p = data->wbuffer;
5125 char *end = p + data->writelen;
5126
5127 if (!data->writelen)
5128 return;
5129
5130 *end = '\n'; /* sentinel; we have space for it */
5131
5132 memset(&SSID_rid, 0, sizeof(SSID_rid));
5133
5134 for (i = 0; i < 3 && p < end; i++) {
5135 int j = 0;
5136 /* copy up to 32 characters from this line */
5137 while (*p != '\n' && j < 32)
5138 SSID_rid.ssids[i].ssid[j++] = *p++;
5139 if (j == 0)
5140 break;
5141 SSID_rid.ssids[i].len = cpu_to_le16(j);
5142 /* skip to the beginning of the next line */
5143 while (*p++ != '\n')
5144 ;
5145 }
5146 if (i)
5147 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5148 disable_MAC(ai, 1);
5149 writeSsidRid(ai, &SSID_rid, 1);
5150 enable_MAC(ai, 1);
5151 }
5152
5153 static inline u8 hexVal(char c) {
5154 if (c>='0' && c<='9') return c -= '0';
5155 if (c>='a' && c<='f') return c -= 'a'-10;
5156 if (c>='A' && c<='F') return c -= 'A'-10;
5157 return 0;
5158 }
5159
5160 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5161 struct proc_data *data = (struct proc_data *)file->private_data;
5162 struct proc_dir_entry *dp = PDE(inode);
5163 struct net_device *dev = dp->data;
5164 struct airo_info *ai = dev->ml_priv;
5165 APListRid APList_rid;
5166 int i;
5167
5168 if ( !data->writelen ) return;
5169
5170 memset( &APList_rid, 0, sizeof(APList_rid) );
5171 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5172
5173 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5174 int j;
5175 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5176 switch(j%3) {
5177 case 0:
5178 APList_rid.ap[i][j/3]=
5179 hexVal(data->wbuffer[j+i*6*3])<<4;
5180 break;
5181 case 1:
5182 APList_rid.ap[i][j/3]|=
5183 hexVal(data->wbuffer[j+i*6*3]);
5184 break;
5185 }
5186 }
5187 }
5188 disable_MAC(ai, 1);
5189 writeAPListRid(ai, &APList_rid, 1);
5190 enable_MAC(ai, 1);
5191 }
5192
5193 /* This function wraps PC4500_writerid with a MAC disable */
5194 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5195 int len, int dummy ) {
5196 int rc;
5197
5198 disable_MAC(ai, 1);
5199 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5200 enable_MAC(ai, 1);
5201 return rc;
5202 }
5203
5204 /* Returns the WEP key at the specified index, or -1 if that key does
5205 * not exist. The buffer is assumed to be at least 16 bytes in length.
5206 */
5207 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5208 {
5209 WepKeyRid wkr;
5210 int rc;
5211 __le16 lastindex;
5212
5213 rc = readWepKeyRid(ai, &wkr, 1, 1);
5214 if (rc != SUCCESS)
5215 return -1;
5216 do {
5217 lastindex = wkr.kindex;
5218 if (le16_to_cpu(wkr.kindex) == index) {
5219 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5220 memcpy(buf, wkr.key, klen);
5221 return klen;
5222 }
5223 rc = readWepKeyRid(ai, &wkr, 0, 1);
5224 if (rc != SUCCESS)
5225 return -1;
5226 } while (lastindex != wkr.kindex);
5227 return -1;
5228 }
5229
5230 static int get_wep_tx_idx(struct airo_info *ai)
5231 {
5232 WepKeyRid wkr;
5233 int rc;
5234 __le16 lastindex;
5235
5236 rc = readWepKeyRid(ai, &wkr, 1, 1);
5237 if (rc != SUCCESS)
5238 return -1;
5239 do {
5240 lastindex = wkr.kindex;
5241 if (wkr.kindex == cpu_to_le16(0xffff))
5242 return wkr.mac[0];
5243 rc = readWepKeyRid(ai, &wkr, 0, 1);
5244 if (rc != SUCCESS)
5245 return -1;
5246 } while (lastindex != wkr.kindex);
5247 return -1;
5248 }
5249
5250 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5251 u16 keylen, int perm, int lock)
5252 {
5253 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5254 WepKeyRid wkr;
5255 int rc;
5256
5257 if (keylen == 0) {
5258 airo_print_err(ai->dev->name, "%s: key length to set was zero",
5259 __func__);
5260 return -1;
5261 }
5262
5263 memset(&wkr, 0, sizeof(wkr));
5264 wkr.len = cpu_to_le16(sizeof(wkr));
5265 wkr.kindex = cpu_to_le16(index);
5266 wkr.klen = cpu_to_le16(keylen);
5267 memcpy(wkr.key, key, keylen);
5268 memcpy(wkr.mac, macaddr, ETH_ALEN);
5269
5270 if (perm) disable_MAC(ai, lock);
5271 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5272 if (perm) enable_MAC(ai, lock);
5273 return rc;
5274 }
5275
5276 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5277 {
5278 WepKeyRid wkr;
5279 int rc;
5280
5281 memset(&wkr, 0, sizeof(wkr));
5282 wkr.len = cpu_to_le16(sizeof(wkr));
5283 wkr.kindex = cpu_to_le16(0xffff);
5284 wkr.mac[0] = (char)index;
5285
5286 if (perm) {
5287 ai->defindex = (char)index;
5288 disable_MAC(ai, lock);
5289 }
5290
5291 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5292
5293 if (perm)
5294 enable_MAC(ai, lock);
5295 return rc;
5296 }
5297
5298 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5299 struct proc_data *data;
5300 struct proc_dir_entry *dp = PDE(inode);
5301 struct net_device *dev = dp->data;
5302 struct airo_info *ai = dev->ml_priv;
5303 int i, rc;
5304 char key[16];
5305 u16 index = 0;
5306 int j = 0;
5307
5308 memset(key, 0, sizeof(key));
5309
5310 data = (struct proc_data *)file->private_data;
5311 if ( !data->writelen ) return;
5312
5313 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5314 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5315 index = data->wbuffer[0] - '0';
5316 if (data->wbuffer[1] == '\n') {
5317 rc = set_wep_tx_idx(ai, index, 1, 1);
5318 if (rc < 0) {
5319 airo_print_err(ai->dev->name, "failed to set "
5320 "WEP transmit index to %d: %d.",
5321 index, rc);
5322 }
5323 return;
5324 }
5325 j = 2;
5326 } else {
5327 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5328 return;
5329 }
5330
5331 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5332 switch(i%3) {
5333 case 0:
5334 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5335 break;
5336 case 1:
5337 key[i/3] |= hexVal(data->wbuffer[i+j]);
5338 break;
5339 }
5340 }
5341
5342 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5343 if (rc < 0) {
5344 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5345 "%d: %d.", index, rc);
5346 }
5347 }
5348
5349 static int proc_wepkey_open( struct inode *inode, struct file *file )
5350 {
5351 struct proc_data *data;
5352 struct proc_dir_entry *dp = PDE(inode);
5353 struct net_device *dev = dp->data;
5354 struct airo_info *ai = dev->ml_priv;
5355 char *ptr;
5356 WepKeyRid wkr;
5357 __le16 lastindex;
5358 int j=0;
5359 int rc;
5360
5361 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5362 return -ENOMEM;
5363 memset(&wkr, 0, sizeof(wkr));
5364 data = (struct proc_data *)file->private_data;
5365 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5366 kfree (file->private_data);
5367 return -ENOMEM;
5368 }
5369 data->writelen = 0;
5370 data->maxwritelen = 80;
5371 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5372 kfree (data->rbuffer);
5373 kfree (file->private_data);
5374 return -ENOMEM;
5375 }
5376 data->on_close = proc_wepkey_on_close;
5377
5378 ptr = data->rbuffer;
5379 strcpy(ptr, "No wep keys\n");
5380 rc = readWepKeyRid(ai, &wkr, 1, 1);
5381 if (rc == SUCCESS) do {
5382 lastindex = wkr.kindex;
5383 if (wkr.kindex == cpu_to_le16(0xffff)) {
5384 j += sprintf(ptr+j, "Tx key = %d\n",
5385 (int)wkr.mac[0]);
5386 } else {
5387 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5388 le16_to_cpu(wkr.kindex),
5389 le16_to_cpu(wkr.klen));
5390 }
5391 readWepKeyRid(ai, &wkr, 0, 1);
5392 } while((lastindex != wkr.kindex) && (j < 180-30));
5393
5394 data->readlen = strlen( data->rbuffer );
5395 return 0;
5396 }
5397
5398 static int proc_SSID_open(struct inode *inode, struct file *file)
5399 {
5400 struct proc_data *data;
5401 struct proc_dir_entry *dp = PDE(inode);
5402 struct net_device *dev = dp->data;
5403 struct airo_info *ai = dev->ml_priv;
5404 int i;
5405 char *ptr;
5406 SsidRid SSID_rid;
5407
5408 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5409 return -ENOMEM;
5410 data = (struct proc_data *)file->private_data;
5411 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5412 kfree (file->private_data);
5413 return -ENOMEM;
5414 }
5415 data->writelen = 0;
5416 data->maxwritelen = 33*3;
5417 /* allocate maxwritelen + 1; we'll want a sentinel */
5418 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5419 kfree (data->rbuffer);
5420 kfree (file->private_data);
5421 return -ENOMEM;
5422 }
5423 data->on_close = proc_SSID_on_close;
5424
5425 readSsidRid(ai, &SSID_rid);
5426 ptr = data->rbuffer;
5427 for (i = 0; i < 3; i++) {
5428 int j;
5429 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5430 if (!len)
5431 break;
5432 if (len > 32)
5433 len = 32;
5434 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5435 *ptr++ = SSID_rid.ssids[i].ssid[j];
5436 *ptr++ = '\n';
5437 }
5438 *ptr = '\0';
5439 data->readlen = strlen( data->rbuffer );
5440 return 0;
5441 }
5442
5443 static int proc_APList_open( struct inode *inode, struct file *file ) {
5444 struct proc_data *data;
5445 struct proc_dir_entry *dp = PDE(inode);
5446 struct net_device *dev = dp->data;
5447 struct airo_info *ai = dev->ml_priv;
5448 int i;
5449 char *ptr;
5450 APListRid APList_rid;
5451
5452 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5453 return -ENOMEM;
5454 data = (struct proc_data *)file->private_data;
5455 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5456 kfree (file->private_data);
5457 return -ENOMEM;
5458 }
5459 data->writelen = 0;
5460 data->maxwritelen = 4*6*3;
5461 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5462 kfree (data->rbuffer);
5463 kfree (file->private_data);
5464 return -ENOMEM;
5465 }
5466 data->on_close = proc_APList_on_close;
5467
5468 readAPListRid(ai, &APList_rid);
5469 ptr = data->rbuffer;
5470 for( i = 0; i < 4; i++ ) {
5471 // We end when we find a zero MAC
5472 if ( !*(int*)APList_rid.ap[i] &&
5473 !*(int*)&APList_rid.ap[i][2]) break;
5474 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5475 }
5476 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5477
5478 *ptr = '\0';
5479 data->readlen = strlen( data->rbuffer );
5480 return 0;
5481 }
5482
5483 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5484 struct proc_data *data;
5485 struct proc_dir_entry *dp = PDE(inode);
5486 struct net_device *dev = dp->data;
5487 struct airo_info *ai = dev->ml_priv;
5488 char *ptr;
5489 BSSListRid BSSList_rid;
5490 int rc;
5491 /* If doLoseSync is not 1, we won't do a Lose Sync */
5492 int doLoseSync = -1;
5493
5494 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5495 return -ENOMEM;
5496 data = (struct proc_data *)file->private_data;
5497 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5498 kfree (file->private_data);
5499 return -ENOMEM;
5500 }
5501 data->writelen = 0;
5502 data->maxwritelen = 0;
5503 data->wbuffer = NULL;
5504 data->on_close = NULL;
5505
5506 if (file->f_mode & FMODE_WRITE) {
5507 if (!(file->f_mode & FMODE_READ)) {
5508 Cmd cmd;
5509 Resp rsp;
5510
5511 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5512 memset(&cmd, 0, sizeof(cmd));
5513 cmd.cmd=CMD_LISTBSS;
5514 if (down_interruptible(&ai->sem))
5515 return -ERESTARTSYS;
5516 issuecommand(ai, &cmd, &rsp);
5517 up(&ai->sem);
5518 data->readlen = 0;
5519 return 0;
5520 }
5521 doLoseSync = 1;
5522 }
5523 ptr = data->rbuffer;
5524 /* There is a race condition here if there are concurrent opens.
5525 Since it is a rare condition, we'll just live with it, otherwise
5526 we have to add a spin lock... */
5527 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5528 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5529 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5530 BSSList_rid.bssid,
5531 (int)BSSList_rid.ssidLen,
5532 BSSList_rid.ssid,
5533 le16_to_cpu(BSSList_rid.dBm));
5534 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5535 le16_to_cpu(BSSList_rid.dsChannel),
5536 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5537 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5538 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5539 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5540 rc = readBSSListRid(ai, 0, &BSSList_rid);
5541 }
5542 *ptr = '\0';
5543 data->readlen = strlen( data->rbuffer );
5544 return 0;
5545 }
5546
5547 static int proc_close( struct inode *inode, struct file *file )
5548 {
5549 struct proc_data *data = file->private_data;
5550
5551 if (data->on_close != NULL)
5552 data->on_close(inode, file);
5553 kfree(data->rbuffer);
5554 kfree(data->wbuffer);
5555 kfree(data);
5556 return 0;
5557 }
5558
5559 /* Since the card doesn't automatically switch to the right WEP mode,
5560 we will make it do it. If the card isn't associated, every secs we
5561 will switch WEP modes to see if that will help. If the card is
5562 associated we will check every minute to see if anything has
5563 changed. */
5564 static void timer_func( struct net_device *dev ) {
5565 struct airo_info *apriv = dev->ml_priv;
5566
5567 /* We don't have a link so try changing the authtype */
5568 readConfigRid(apriv, 0);
5569 disable_MAC(apriv, 0);
5570 switch(apriv->config.authType) {
5571 case AUTH_ENCRYPT:
5572 /* So drop to OPEN */
5573 apriv->config.authType = AUTH_OPEN;
5574 break;
5575 case AUTH_SHAREDKEY:
5576 if (apriv->keyindex < auto_wep) {
5577 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5578 apriv->config.authType = AUTH_SHAREDKEY;
5579 apriv->keyindex++;
5580 } else {
5581 /* Drop to ENCRYPT */
5582 apriv->keyindex = 0;
5583 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5584 apriv->config.authType = AUTH_ENCRYPT;
5585 }
5586 break;
5587 default: /* We'll escalate to SHAREDKEY */
5588 apriv->config.authType = AUTH_SHAREDKEY;
5589 }
5590 set_bit (FLAG_COMMIT, &apriv->flags);
5591 writeConfigRid(apriv, 0);
5592 enable_MAC(apriv, 0);
5593 up(&apriv->sem);
5594
5595 /* Schedule check to see if the change worked */
5596 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5597 apriv->expires = RUN_AT(HZ*3);
5598 }
5599
5600 #ifdef CONFIG_PCI
5601 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5602 const struct pci_device_id *pent)
5603 {
5604 struct net_device *dev;
5605
5606 if (pci_enable_device(pdev))
5607 return -ENODEV;
5608 pci_set_master(pdev);
5609
5610 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5611 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5612 else
5613 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5614 if (!dev) {
5615 pci_disable_device(pdev);
5616 return -ENODEV;
5617 }
5618
5619 pci_set_drvdata(pdev, dev);
5620 return 0;
5621 }
5622
5623 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5624 {
5625 struct net_device *dev = pci_get_drvdata(pdev);
5626
5627 airo_print_info(dev->name, "Unregistering...");
5628 stop_airo_card(dev, 1);
5629 pci_disable_device(pdev);
5630 pci_set_drvdata(pdev, NULL);
5631 }
5632
5633 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5634 {
5635 struct net_device *dev = pci_get_drvdata(pdev);
5636 struct airo_info *ai = dev->ml_priv;
5637 Cmd cmd;
5638 Resp rsp;
5639
5640 if (!ai->APList)
5641 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5642 if (!ai->APList)
5643 return -ENOMEM;
5644 if (!ai->SSID)
5645 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5646 if (!ai->SSID)
5647 return -ENOMEM;
5648 readAPListRid(ai, ai->APList);
5649 readSsidRid(ai, ai->SSID);
5650 memset(&cmd, 0, sizeof(cmd));
5651 /* the lock will be released at the end of the resume callback */
5652 if (down_interruptible(&ai->sem))
5653 return -EAGAIN;
5654 disable_MAC(ai, 0);
5655 netif_device_detach(dev);
5656 ai->power = state;
5657 cmd.cmd = HOSTSLEEP;
5658 issuecommand(ai, &cmd, &rsp);
5659
5660 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5661 pci_save_state(pdev);
5662 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5663 }
5664
5665 static int airo_pci_resume(struct pci_dev *pdev)
5666 {
5667 struct net_device *dev = pci_get_drvdata(pdev);
5668 struct airo_info *ai = dev->ml_priv;
5669 pci_power_t prev_state = pdev->current_state;
5670
5671 pci_set_power_state(pdev, PCI_D0);
5672 pci_restore_state(pdev);
5673 pci_enable_wake(pdev, PCI_D0, 0);
5674
5675 if (prev_state != PCI_D1) {
5676 reset_card(dev, 0);
5677 mpi_init_descriptors(ai);
5678 setup_card(ai, dev->dev_addr, 0);
5679 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5680 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5681 } else {
5682 OUT4500(ai, EVACK, EV_AWAKEN);
5683 OUT4500(ai, EVACK, EV_AWAKEN);
5684 msleep(100);
5685 }
5686
5687 set_bit(FLAG_COMMIT, &ai->flags);
5688 disable_MAC(ai, 0);
5689 msleep(200);
5690 if (ai->SSID) {
5691 writeSsidRid(ai, ai->SSID, 0);
5692 kfree(ai->SSID);
5693 ai->SSID = NULL;
5694 }
5695 if (ai->APList) {
5696 writeAPListRid(ai, ai->APList, 0);
5697 kfree(ai->APList);
5698 ai->APList = NULL;
5699 }
5700 writeConfigRid(ai, 0);
5701 enable_MAC(ai, 0);
5702 ai->power = PMSG_ON;
5703 netif_device_attach(dev);
5704 netif_wake_queue(dev);
5705 enable_interrupts(ai);
5706 up(&ai->sem);
5707 return 0;
5708 }
5709 #endif
5710
5711 static int __init airo_init_module( void )
5712 {
5713 int i;
5714
5715 airo_entry = create_proc_entry("driver/aironet",
5716 S_IFDIR | airo_perm,
5717 NULL);
5718
5719 if (airo_entry) {
5720 airo_entry->uid = proc_uid;
5721 airo_entry->gid = proc_gid;
5722 }
5723
5724 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5725 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5726 "io=0x%x", irq[i], io[i] );
5727 if (init_airo_card( irq[i], io[i], 0, NULL ))
5728 /* do nothing */ ;
5729 }
5730
5731 #ifdef CONFIG_PCI
5732 airo_print_info("", "Probing for PCI adapters");
5733 i = pci_register_driver(&airo_driver);
5734 airo_print_info("", "Finished probing for PCI adapters");
5735
5736 if (i) {
5737 remove_proc_entry("driver/aironet", NULL);
5738 return i;
5739 }
5740 #endif
5741
5742 /* Always exit with success, as we are a library module
5743 * as well as a driver module
5744 */
5745 return 0;
5746 }
5747
5748 static void __exit airo_cleanup_module( void )
5749 {
5750 struct airo_info *ai;
5751 while(!list_empty(&airo_devices)) {
5752 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5753 airo_print_info(ai->dev->name, "Unregistering...");
5754 stop_airo_card(ai->dev, 1);
5755 }
5756 #ifdef CONFIG_PCI
5757 pci_unregister_driver(&airo_driver);
5758 #endif
5759 remove_proc_entry("driver/aironet", NULL);
5760 }
5761
5762 /*
5763 * Initial Wireless Extension code for Aironet driver by :
5764 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5765 * Conversion to new driver API by :
5766 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5767 * Javier also did a good amount of work here, adding some new extensions
5768 * and fixing my code. Let's just say that without him this code just
5769 * would not work at all... - Jean II
5770 */
5771
5772 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5773 {
5774 if (!rssi_rid)
5775 return 0;
5776
5777 return (0x100 - rssi_rid[rssi].rssidBm);
5778 }
5779
5780 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5781 {
5782 int i;
5783
5784 if (!rssi_rid)
5785 return 0;
5786
5787 for (i = 0; i < 256; i++)
5788 if (rssi_rid[i].rssidBm == dbm)
5789 return rssi_rid[i].rssipct;
5790
5791 return 0;
5792 }
5793
5794
5795 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5796 {
5797 int quality = 0;
5798 u16 sq;
5799
5800 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5801 return 0;
5802
5803 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5804 return 0;
5805
5806 sq = le16_to_cpu(status_rid->signalQuality);
5807 if (memcmp(cap_rid->prodName, "350", 3))
5808 if (sq > 0x20)
5809 quality = 0;
5810 else
5811 quality = 0x20 - sq;
5812 else
5813 if (sq > 0xb0)
5814 quality = 0;
5815 else if (sq < 0x10)
5816 quality = 0xa0;
5817 else
5818 quality = 0xb0 - sq;
5819 return quality;
5820 }
5821
5822 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5823 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5824
5825 /*------------------------------------------------------------------*/
5826 /*
5827 * Wireless Handler : get protocol name
5828 */
5829 static int airo_get_name(struct net_device *dev,
5830 struct iw_request_info *info,
5831 char *cwrq,
5832 char *extra)
5833 {
5834 strcpy(cwrq, "IEEE 802.11-DS");
5835 return 0;
5836 }
5837
5838 /*------------------------------------------------------------------*/
5839 /*
5840 * Wireless Handler : set frequency
5841 */
5842 static int airo_set_freq(struct net_device *dev,
5843 struct iw_request_info *info,
5844 struct iw_freq *fwrq,
5845 char *extra)
5846 {
5847 struct airo_info *local = dev->ml_priv;
5848 int rc = -EINPROGRESS; /* Call commit handler */
5849
5850 /* If setting by frequency, convert to a channel */
5851 if(fwrq->e == 1) {
5852 int f = fwrq->m / 100000;
5853
5854 /* Hack to fall through... */
5855 fwrq->e = 0;
5856 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5857 }
5858 /* Setting by channel number */
5859 if((fwrq->m > 1000) || (fwrq->e > 0))
5860 rc = -EOPNOTSUPP;
5861 else {
5862 int channel = fwrq->m;
5863 /* We should do a better check than that,
5864 * based on the card capability !!! */
5865 if((channel < 1) || (channel > 14)) {
5866 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5867 fwrq->m);
5868 rc = -EINVAL;
5869 } else {
5870 readConfigRid(local, 1);
5871 /* Yes ! We can set it !!! */
5872 local->config.channelSet = cpu_to_le16(channel);
5873 set_bit (FLAG_COMMIT, &local->flags);
5874 }
5875 }
5876 return rc;
5877 }
5878
5879 /*------------------------------------------------------------------*/
5880 /*
5881 * Wireless Handler : get frequency
5882 */
5883 static int airo_get_freq(struct net_device *dev,
5884 struct iw_request_info *info,
5885 struct iw_freq *fwrq,
5886 char *extra)
5887 {
5888 struct airo_info *local = dev->ml_priv;
5889 StatusRid status_rid; /* Card status info */
5890 int ch;
5891
5892 readConfigRid(local, 1);
5893 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5894 status_rid.channel = local->config.channelSet;
5895 else
5896 readStatusRid(local, &status_rid, 1);
5897
5898 ch = le16_to_cpu(status_rid.channel);
5899 if((ch > 0) && (ch < 15)) {
5900 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5901 fwrq->e = 1;
5902 } else {
5903 fwrq->m = ch;
5904 fwrq->e = 0;
5905 }
5906
5907 return 0;
5908 }
5909
5910 /*------------------------------------------------------------------*/
5911 /*
5912 * Wireless Handler : set ESSID
5913 */
5914 static int airo_set_essid(struct net_device *dev,
5915 struct iw_request_info *info,
5916 struct iw_point *dwrq,
5917 char *extra)
5918 {
5919 struct airo_info *local = dev->ml_priv;
5920 SsidRid SSID_rid; /* SSIDs */
5921
5922 /* Reload the list of current SSID */
5923 readSsidRid(local, &SSID_rid);
5924
5925 /* Check if we asked for `any' */
5926 if (dwrq->flags == 0) {
5927 /* Just send an empty SSID list */
5928 memset(&SSID_rid, 0, sizeof(SSID_rid));
5929 } else {
5930 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5931
5932 /* Check the size of the string */
5933 if (dwrq->length > IW_ESSID_MAX_SIZE)
5934 return -E2BIG ;
5935
5936 /* Check if index is valid */
5937 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5938 return -EINVAL;
5939
5940 /* Set the SSID */
5941 memset(SSID_rid.ssids[index].ssid, 0,
5942 sizeof(SSID_rid.ssids[index].ssid));
5943 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5944 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5945 }
5946 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5947 /* Write it to the card */
5948 disable_MAC(local, 1);
5949 writeSsidRid(local, &SSID_rid, 1);
5950 enable_MAC(local, 1);
5951
5952 return 0;
5953 }
5954
5955 /*------------------------------------------------------------------*/
5956 /*
5957 * Wireless Handler : get ESSID
5958 */
5959 static int airo_get_essid(struct net_device *dev,
5960 struct iw_request_info *info,
5961 struct iw_point *dwrq,
5962 char *extra)
5963 {
5964 struct airo_info *local = dev->ml_priv;
5965 StatusRid status_rid; /* Card status info */
5966
5967 readStatusRid(local, &status_rid, 1);
5968
5969 /* Note : if dwrq->flags != 0, we should
5970 * get the relevant SSID from the SSID list... */
5971
5972 /* Get the current SSID */
5973 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5974 /* If none, we may want to get the one that was set */
5975
5976 /* Push it out ! */
5977 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5978 dwrq->flags = 1; /* active */
5979
5980 return 0;
5981 }
5982
5983 /*------------------------------------------------------------------*/
5984 /*
5985 * Wireless Handler : set AP address
5986 */
5987 static int airo_set_wap(struct net_device *dev,
5988 struct iw_request_info *info,
5989 struct sockaddr *awrq,
5990 char *extra)
5991 {
5992 struct airo_info *local = dev->ml_priv;
5993 Cmd cmd;
5994 Resp rsp;
5995 APListRid APList_rid;
5996 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5997 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5998
5999 if (awrq->sa_family != ARPHRD_ETHER)
6000 return -EINVAL;
6001 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6002 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6003 memset(&cmd, 0, sizeof(cmd));
6004 cmd.cmd=CMD_LOSE_SYNC;
6005 if (down_interruptible(&local->sem))
6006 return -ERESTARTSYS;
6007 issuecommand(local, &cmd, &rsp);
6008 up(&local->sem);
6009 } else {
6010 memset(&APList_rid, 0, sizeof(APList_rid));
6011 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6012 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6013 disable_MAC(local, 1);
6014 writeAPListRid(local, &APList_rid, 1);
6015 enable_MAC(local, 1);
6016 }
6017 return 0;
6018 }
6019
6020 /*------------------------------------------------------------------*/
6021 /*
6022 * Wireless Handler : get AP address
6023 */
6024 static int airo_get_wap(struct net_device *dev,
6025 struct iw_request_info *info,
6026 struct sockaddr *awrq,
6027 char *extra)
6028 {
6029 struct airo_info *local = dev->ml_priv;
6030 StatusRid status_rid; /* Card status info */
6031
6032 readStatusRid(local, &status_rid, 1);
6033
6034 /* Tentative. This seems to work, wow, I'm lucky !!! */
6035 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6036 awrq->sa_family = ARPHRD_ETHER;
6037
6038 return 0;
6039 }
6040
6041 /*------------------------------------------------------------------*/
6042 /*
6043 * Wireless Handler : set Nickname
6044 */
6045 static int airo_set_nick(struct net_device *dev,
6046 struct iw_request_info *info,
6047 struct iw_point *dwrq,
6048 char *extra)
6049 {
6050 struct airo_info *local = dev->ml_priv;
6051
6052 /* Check the size of the string */
6053 if(dwrq->length > 16) {
6054 return -E2BIG;
6055 }
6056 readConfigRid(local, 1);
6057 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6058 memcpy(local->config.nodeName, extra, dwrq->length);
6059 set_bit (FLAG_COMMIT, &local->flags);
6060
6061 return -EINPROGRESS; /* Call commit handler */
6062 }
6063
6064 /*------------------------------------------------------------------*/
6065 /*
6066 * Wireless Handler : get Nickname
6067 */
6068 static int airo_get_nick(struct net_device *dev,
6069 struct iw_request_info *info,
6070 struct iw_point *dwrq,
6071 char *extra)
6072 {
6073 struct airo_info *local = dev->ml_priv;
6074
6075 readConfigRid(local, 1);
6076 strncpy(extra, local->config.nodeName, 16);
6077 extra[16] = '\0';
6078 dwrq->length = strlen(extra);
6079
6080 return 0;
6081 }
6082
6083 /*------------------------------------------------------------------*/
6084 /*
6085 * Wireless Handler : set Bit-Rate
6086 */
6087 static int airo_set_rate(struct net_device *dev,
6088 struct iw_request_info *info,
6089 struct iw_param *vwrq,
6090 char *extra)
6091 {
6092 struct airo_info *local = dev->ml_priv;
6093 CapabilityRid cap_rid; /* Card capability info */
6094 u8 brate = 0;
6095 int i;
6096
6097 /* First : get a valid bit rate value */
6098 readCapabilityRid(local, &cap_rid, 1);
6099
6100 /* Which type of value ? */
6101 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6102 /* Setting by rate index */
6103 /* Find value in the magic rate table */
6104 brate = cap_rid.supportedRates[vwrq->value];
6105 } else {
6106 /* Setting by frequency value */
6107 u8 normvalue = (u8) (vwrq->value/500000);
6108
6109 /* Check if rate is valid */
6110 for(i = 0 ; i < 8 ; i++) {
6111 if(normvalue == cap_rid.supportedRates[i]) {
6112 brate = normvalue;
6113 break;
6114 }
6115 }
6116 }
6117 /* -1 designed the max rate (mostly auto mode) */
6118 if(vwrq->value == -1) {
6119 /* Get the highest available rate */
6120 for(i = 0 ; i < 8 ; i++) {
6121 if(cap_rid.supportedRates[i] == 0)
6122 break;
6123 }
6124 if(i != 0)
6125 brate = cap_rid.supportedRates[i - 1];
6126 }
6127 /* Check that it is valid */
6128 if(brate == 0) {
6129 return -EINVAL;
6130 }
6131
6132 readConfigRid(local, 1);
6133 /* Now, check if we want a fixed or auto value */
6134 if(vwrq->fixed == 0) {
6135 /* Fill all the rates up to this max rate */
6136 memset(local->config.rates, 0, 8);
6137 for(i = 0 ; i < 8 ; i++) {
6138 local->config.rates[i] = cap_rid.supportedRates[i];
6139 if(local->config.rates[i] == brate)
6140 break;
6141 }
6142 } else {
6143 /* Fixed mode */
6144 /* One rate, fixed */
6145 memset(local->config.rates, 0, 8);
6146 local->config.rates[0] = brate;
6147 }
6148 set_bit (FLAG_COMMIT, &local->flags);
6149
6150 return -EINPROGRESS; /* Call commit handler */
6151 }
6152
6153 /*------------------------------------------------------------------*/
6154 /*
6155 * Wireless Handler : get Bit-Rate
6156 */
6157 static int airo_get_rate(struct net_device *dev,
6158 struct iw_request_info *info,
6159 struct iw_param *vwrq,
6160 char *extra)
6161 {
6162 struct airo_info *local = dev->ml_priv;
6163 StatusRid status_rid; /* Card status info */
6164
6165 readStatusRid(local, &status_rid, 1);
6166
6167 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6168 /* If more than one rate, set auto */
6169 readConfigRid(local, 1);
6170 vwrq->fixed = (local->config.rates[1] == 0);
6171
6172 return 0;
6173 }
6174
6175 /*------------------------------------------------------------------*/
6176 /*
6177 * Wireless Handler : set RTS threshold
6178 */
6179 static int airo_set_rts(struct net_device *dev,
6180 struct iw_request_info *info,
6181 struct iw_param *vwrq,
6182 char *extra)
6183 {
6184 struct airo_info *local = dev->ml_priv;
6185 int rthr = vwrq->value;
6186
6187 if(vwrq->disabled)
6188 rthr = AIRO_DEF_MTU;
6189 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6190 return -EINVAL;
6191 }
6192 readConfigRid(local, 1);
6193 local->config.rtsThres = cpu_to_le16(rthr);
6194 set_bit (FLAG_COMMIT, &local->flags);
6195
6196 return -EINPROGRESS; /* Call commit handler */
6197 }
6198
6199 /*------------------------------------------------------------------*/
6200 /*
6201 * Wireless Handler : get RTS threshold
6202 */
6203 static int airo_get_rts(struct net_device *dev,
6204 struct iw_request_info *info,
6205 struct iw_param *vwrq,
6206 char *extra)
6207 {
6208 struct airo_info *local = dev->ml_priv;
6209
6210 readConfigRid(local, 1);
6211 vwrq->value = le16_to_cpu(local->config.rtsThres);
6212 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6213 vwrq->fixed = 1;
6214
6215 return 0;
6216 }
6217
6218 /*------------------------------------------------------------------*/
6219 /*
6220 * Wireless Handler : set Fragmentation threshold
6221 */
6222 static int airo_set_frag(struct net_device *dev,
6223 struct iw_request_info *info,
6224 struct iw_param *vwrq,
6225 char *extra)
6226 {
6227 struct airo_info *local = dev->ml_priv;
6228 int fthr = vwrq->value;
6229
6230 if(vwrq->disabled)
6231 fthr = AIRO_DEF_MTU;
6232 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6233 return -EINVAL;
6234 }
6235 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6236 readConfigRid(local, 1);
6237 local->config.fragThresh = cpu_to_le16(fthr);
6238 set_bit (FLAG_COMMIT, &local->flags);
6239
6240 return -EINPROGRESS; /* Call commit handler */
6241 }
6242
6243 /*------------------------------------------------------------------*/
6244 /*
6245 * Wireless Handler : get Fragmentation threshold
6246 */
6247 static int airo_get_frag(struct net_device *dev,
6248 struct iw_request_info *info,
6249 struct iw_param *vwrq,
6250 char *extra)
6251 {
6252 struct airo_info *local = dev->ml_priv;
6253
6254 readConfigRid(local, 1);
6255 vwrq->value = le16_to_cpu(local->config.fragThresh);
6256 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6257 vwrq->fixed = 1;
6258
6259 return 0;
6260 }
6261
6262 /*------------------------------------------------------------------*/
6263 /*
6264 * Wireless Handler : set Mode of Operation
6265 */
6266 static int airo_set_mode(struct net_device *dev,
6267 struct iw_request_info *info,
6268 __u32 *uwrq,
6269 char *extra)
6270 {
6271 struct airo_info *local = dev->ml_priv;
6272 int reset = 0;
6273
6274 readConfigRid(local, 1);
6275 if (sniffing_mode(local))
6276 reset = 1;
6277
6278 switch(*uwrq) {
6279 case IW_MODE_ADHOC:
6280 local->config.opmode &= ~MODE_CFG_MASK;
6281 local->config.opmode |= MODE_STA_IBSS;
6282 local->config.rmode &= ~RXMODE_FULL_MASK;
6283 local->config.scanMode = SCANMODE_ACTIVE;
6284 clear_bit (FLAG_802_11, &local->flags);
6285 break;
6286 case IW_MODE_INFRA:
6287 local->config.opmode &= ~MODE_CFG_MASK;
6288 local->config.opmode |= MODE_STA_ESS;
6289 local->config.rmode &= ~RXMODE_FULL_MASK;
6290 local->config.scanMode = SCANMODE_ACTIVE;
6291 clear_bit (FLAG_802_11, &local->flags);
6292 break;
6293 case IW_MODE_MASTER:
6294 local->config.opmode &= ~MODE_CFG_MASK;
6295 local->config.opmode |= MODE_AP;
6296 local->config.rmode &= ~RXMODE_FULL_MASK;
6297 local->config.scanMode = SCANMODE_ACTIVE;
6298 clear_bit (FLAG_802_11, &local->flags);
6299 break;
6300 case IW_MODE_REPEAT:
6301 local->config.opmode &= ~MODE_CFG_MASK;
6302 local->config.opmode |= MODE_AP_RPTR;
6303 local->config.rmode &= ~RXMODE_FULL_MASK;
6304 local->config.scanMode = SCANMODE_ACTIVE;
6305 clear_bit (FLAG_802_11, &local->flags);
6306 break;
6307 case IW_MODE_MONITOR:
6308 local->config.opmode &= ~MODE_CFG_MASK;
6309 local->config.opmode |= MODE_STA_ESS;
6310 local->config.rmode &= ~RXMODE_FULL_MASK;
6311 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6312 local->config.scanMode = SCANMODE_PASSIVE;
6313 set_bit (FLAG_802_11, &local->flags);
6314 break;
6315 default:
6316 return -EINVAL;
6317 }
6318 if (reset)
6319 set_bit (FLAG_RESET, &local->flags);
6320 set_bit (FLAG_COMMIT, &local->flags);
6321
6322 return -EINPROGRESS; /* Call commit handler */
6323 }
6324
6325 /*------------------------------------------------------------------*/
6326 /*
6327 * Wireless Handler : get Mode of Operation
6328 */
6329 static int airo_get_mode(struct net_device *dev,
6330 struct iw_request_info *info,
6331 __u32 *uwrq,
6332 char *extra)
6333 {
6334 struct airo_info *local = dev->ml_priv;
6335
6336 readConfigRid(local, 1);
6337 /* If not managed, assume it's ad-hoc */
6338 switch (local->config.opmode & MODE_CFG_MASK) {
6339 case MODE_STA_ESS:
6340 *uwrq = IW_MODE_INFRA;
6341 break;
6342 case MODE_AP:
6343 *uwrq = IW_MODE_MASTER;
6344 break;
6345 case MODE_AP_RPTR:
6346 *uwrq = IW_MODE_REPEAT;
6347 break;
6348 default:
6349 *uwrq = IW_MODE_ADHOC;
6350 }
6351
6352 return 0;
6353 }
6354
6355 static inline int valid_index(struct airo_info *ai, int index)
6356 {
6357 return (index >= 0) && (index <= ai->max_wep_idx);
6358 }
6359
6360 /*------------------------------------------------------------------*/
6361 /*
6362 * Wireless Handler : set Encryption Key
6363 */
6364 static int airo_set_encode(struct net_device *dev,
6365 struct iw_request_info *info,
6366 struct iw_point *dwrq,
6367 char *extra)
6368 {
6369 struct airo_info *local = dev->ml_priv;
6370 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6371 __le16 currentAuthType = local->config.authType;
6372 int rc = 0;
6373
6374 if (!local->wep_capable)
6375 return -EOPNOTSUPP;
6376
6377 readConfigRid(local, 1);
6378
6379 /* Basic checking: do we have a key to set ?
6380 * Note : with the new API, it's impossible to get a NULL pointer.
6381 * Therefore, we need to check a key size == 0 instead.
6382 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6383 * when no key is present (only change flags), but older versions
6384 * don't do it. - Jean II */
6385 if (dwrq->length > 0) {
6386 wep_key_t key;
6387 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6388 int current_index;
6389
6390 /* Check the size of the key */
6391 if (dwrq->length > MAX_KEY_SIZE) {
6392 return -EINVAL;
6393 }
6394
6395 current_index = get_wep_tx_idx(local);
6396 if (current_index < 0)
6397 current_index = 0;
6398
6399 /* Check the index (none -> use current) */
6400 if (!valid_index(local, index))
6401 index = current_index;
6402
6403 /* Set the length */
6404 if (dwrq->length > MIN_KEY_SIZE)
6405 key.len = MAX_KEY_SIZE;
6406 else
6407 if (dwrq->length > 0)
6408 key.len = MIN_KEY_SIZE;
6409 else
6410 /* Disable the key */
6411 key.len = 0;
6412 /* Check if the key is not marked as invalid */
6413 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6414 /* Cleanup */
6415 memset(key.key, 0, MAX_KEY_SIZE);
6416 /* Copy the key in the driver */
6417 memcpy(key.key, extra, dwrq->length);
6418 /* Send the key to the card */
6419 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6420 if (rc < 0) {
6421 airo_print_err(local->dev->name, "failed to set"
6422 " WEP key at index %d: %d.",
6423 index, rc);
6424 return rc;
6425 }
6426 }
6427 /* WE specify that if a valid key is set, encryption
6428 * should be enabled (user may turn it off later)
6429 * This is also how "iwconfig ethX key on" works */
6430 if((index == current_index) && (key.len > 0) &&
6431 (local->config.authType == AUTH_OPEN)) {
6432 local->config.authType = AUTH_ENCRYPT;
6433 }
6434 } else {
6435 /* Do we want to just set the transmit key index ? */
6436 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6437 if (valid_index(local, index)) {
6438 rc = set_wep_tx_idx(local, index, perm, 1);
6439 if (rc < 0) {
6440 airo_print_err(local->dev->name, "failed to set"
6441 " WEP transmit index to %d: %d.",
6442 index, rc);
6443 return rc;
6444 }
6445 } else {
6446 /* Don't complain if only change the mode */
6447 if (!(dwrq->flags & IW_ENCODE_MODE))
6448 return -EINVAL;
6449 }
6450 }
6451 /* Read the flags */
6452 if(dwrq->flags & IW_ENCODE_DISABLED)
6453 local->config.authType = AUTH_OPEN; // disable encryption
6454 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6455 local->config.authType = AUTH_SHAREDKEY; // Only Both
6456 if(dwrq->flags & IW_ENCODE_OPEN)
6457 local->config.authType = AUTH_ENCRYPT; // Only Wep
6458 /* Commit the changes to flags if needed */
6459 if (local->config.authType != currentAuthType)
6460 set_bit (FLAG_COMMIT, &local->flags);
6461 return -EINPROGRESS; /* Call commit handler */
6462 }
6463
6464 /*------------------------------------------------------------------*/
6465 /*
6466 * Wireless Handler : get Encryption Key
6467 */
6468 static int airo_get_encode(struct net_device *dev,
6469 struct iw_request_info *info,
6470 struct iw_point *dwrq,
6471 char *extra)
6472 {
6473 struct airo_info *local = dev->ml_priv;
6474 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6475 int wep_key_len;
6476 u8 buf[16];
6477
6478 if (!local->wep_capable)
6479 return -EOPNOTSUPP;
6480
6481 readConfigRid(local, 1);
6482
6483 /* Check encryption mode */
6484 switch(local->config.authType) {
6485 case AUTH_ENCRYPT:
6486 dwrq->flags = IW_ENCODE_OPEN;
6487 break;
6488 case AUTH_SHAREDKEY:
6489 dwrq->flags = IW_ENCODE_RESTRICTED;
6490 break;
6491 default:
6492 case AUTH_OPEN:
6493 dwrq->flags = IW_ENCODE_DISABLED;
6494 break;
6495 }
6496 /* We can't return the key, so set the proper flag and return zero */
6497 dwrq->flags |= IW_ENCODE_NOKEY;
6498 memset(extra, 0, 16);
6499
6500 /* Which key do we want ? -1 -> tx index */
6501 if (!valid_index(local, index)) {
6502 index = get_wep_tx_idx(local);
6503 if (index < 0)
6504 index = 0;
6505 }
6506 dwrq->flags |= index + 1;
6507
6508 /* Copy the key to the user buffer */
6509 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6510 if (wep_key_len < 0) {
6511 dwrq->length = 0;
6512 } else {
6513 dwrq->length = wep_key_len;
6514 memcpy(extra, buf, dwrq->length);
6515 }
6516
6517 return 0;
6518 }
6519
6520 /*------------------------------------------------------------------*/
6521 /*
6522 * Wireless Handler : set extended Encryption parameters
6523 */
6524 static int airo_set_encodeext(struct net_device *dev,
6525 struct iw_request_info *info,
6526 union iwreq_data *wrqu,
6527 char *extra)
6528 {
6529 struct airo_info *local = dev->ml_priv;
6530 struct iw_point *encoding = &wrqu->encoding;
6531 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6532 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6533 __le16 currentAuthType = local->config.authType;
6534 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6535 wep_key_t key;
6536
6537 if (!local->wep_capable)
6538 return -EOPNOTSUPP;
6539
6540 readConfigRid(local, 1);
6541
6542 /* Determine and validate the key index */
6543 idx = encoding->flags & IW_ENCODE_INDEX;
6544 if (idx) {
6545 if (!valid_index(local, idx - 1))
6546 return -EINVAL;
6547 idx--;
6548 } else {
6549 idx = get_wep_tx_idx(local);
6550 if (idx < 0)
6551 idx = 0;
6552 }
6553
6554 if (encoding->flags & IW_ENCODE_DISABLED)
6555 alg = IW_ENCODE_ALG_NONE;
6556
6557 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6558 /* Only set transmit key index here, actual
6559 * key is set below if needed.
6560 */
6561 rc = set_wep_tx_idx(local, idx, perm, 1);
6562 if (rc < 0) {
6563 airo_print_err(local->dev->name, "failed to set "
6564 "WEP transmit index to %d: %d.",
6565 idx, rc);
6566 return rc;
6567 }
6568 set_key = ext->key_len > 0 ? 1 : 0;
6569 }
6570
6571 if (set_key) {
6572 /* Set the requested key first */
6573 memset(key.key, 0, MAX_KEY_SIZE);
6574 switch (alg) {
6575 case IW_ENCODE_ALG_NONE:
6576 key.len = 0;
6577 break;
6578 case IW_ENCODE_ALG_WEP:
6579 if (ext->key_len > MIN_KEY_SIZE) {
6580 key.len = MAX_KEY_SIZE;
6581 } else if (ext->key_len > 0) {
6582 key.len = MIN_KEY_SIZE;
6583 } else {
6584 return -EINVAL;
6585 }
6586 key_len = min (ext->key_len, key.len);
6587 memcpy(key.key, ext->key, key_len);
6588 break;
6589 default:
6590 return -EINVAL;
6591 }
6592 /* Send the key to the card */
6593 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6594 if (rc < 0) {
6595 airo_print_err(local->dev->name, "failed to set WEP key"
6596 " at index %d: %d.", idx, rc);
6597 return rc;
6598 }
6599 }
6600
6601 /* Read the flags */
6602 if(encoding->flags & IW_ENCODE_DISABLED)
6603 local->config.authType = AUTH_OPEN; // disable encryption
6604 if(encoding->flags & IW_ENCODE_RESTRICTED)
6605 local->config.authType = AUTH_SHAREDKEY; // Only Both
6606 if(encoding->flags & IW_ENCODE_OPEN)
6607 local->config.authType = AUTH_ENCRYPT; // Only Wep
6608 /* Commit the changes to flags if needed */
6609 if (local->config.authType != currentAuthType)
6610 set_bit (FLAG_COMMIT, &local->flags);
6611
6612 return -EINPROGRESS;
6613 }
6614
6615
6616 /*------------------------------------------------------------------*/
6617 /*
6618 * Wireless Handler : get extended Encryption parameters
6619 */
6620 static int airo_get_encodeext(struct net_device *dev,
6621 struct iw_request_info *info,
6622 union iwreq_data *wrqu,
6623 char *extra)
6624 {
6625 struct airo_info *local = dev->ml_priv;
6626 struct iw_point *encoding = &wrqu->encoding;
6627 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6628 int idx, max_key_len, wep_key_len;
6629 u8 buf[16];
6630
6631 if (!local->wep_capable)
6632 return -EOPNOTSUPP;
6633
6634 readConfigRid(local, 1);
6635
6636 max_key_len = encoding->length - sizeof(*ext);
6637 if (max_key_len < 0)
6638 return -EINVAL;
6639
6640 idx = encoding->flags & IW_ENCODE_INDEX;
6641 if (idx) {
6642 if (!valid_index(local, idx - 1))
6643 return -EINVAL;
6644 idx--;
6645 } else {
6646 idx = get_wep_tx_idx(local);
6647 if (idx < 0)
6648 idx = 0;
6649 }
6650
6651 encoding->flags = idx + 1;
6652 memset(ext, 0, sizeof(*ext));
6653
6654 /* Check encryption mode */
6655 switch(local->config.authType) {
6656 case AUTH_ENCRYPT:
6657 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6658 break;
6659 case AUTH_SHAREDKEY:
6660 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6661 break;
6662 default:
6663 case AUTH_OPEN:
6664 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6665 break;
6666 }
6667 /* We can't return the key, so set the proper flag and return zero */
6668 encoding->flags |= IW_ENCODE_NOKEY;
6669 memset(extra, 0, 16);
6670
6671 /* Copy the key to the user buffer */
6672 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6673 if (wep_key_len < 0) {
6674 ext->key_len = 0;
6675 } else {
6676 ext->key_len = wep_key_len;
6677 memcpy(extra, buf, ext->key_len);
6678 }
6679
6680 return 0;
6681 }
6682
6683
6684 /*------------------------------------------------------------------*/
6685 /*
6686 * Wireless Handler : set extended authentication parameters
6687 */
6688 static int airo_set_auth(struct net_device *dev,
6689 struct iw_request_info *info,
6690 union iwreq_data *wrqu, char *extra)
6691 {
6692 struct airo_info *local = dev->ml_priv;
6693 struct iw_param *param = &wrqu->param;
6694 __le16 currentAuthType = local->config.authType;
6695
6696 switch (param->flags & IW_AUTH_INDEX) {
6697 case IW_AUTH_WPA_VERSION:
6698 case IW_AUTH_CIPHER_PAIRWISE:
6699 case IW_AUTH_CIPHER_GROUP:
6700 case IW_AUTH_KEY_MGMT:
6701 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6702 case IW_AUTH_PRIVACY_INVOKED:
6703 /*
6704 * airo does not use these parameters
6705 */
6706 break;
6707
6708 case IW_AUTH_DROP_UNENCRYPTED:
6709 if (param->value) {
6710 /* Only change auth type if unencrypted */
6711 if (currentAuthType == AUTH_OPEN)
6712 local->config.authType = AUTH_ENCRYPT;
6713 } else {
6714 local->config.authType = AUTH_OPEN;
6715 }
6716
6717 /* Commit the changes to flags if needed */
6718 if (local->config.authType != currentAuthType)
6719 set_bit (FLAG_COMMIT, &local->flags);
6720 break;
6721
6722 case IW_AUTH_80211_AUTH_ALG: {
6723 /* FIXME: What about AUTH_OPEN? This API seems to
6724 * disallow setting our auth to AUTH_OPEN.
6725 */
6726 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6727 local->config.authType = AUTH_SHAREDKEY;
6728 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6729 local->config.authType = AUTH_ENCRYPT;
6730 } else
6731 return -EINVAL;
6732
6733 /* Commit the changes to flags if needed */
6734 if (local->config.authType != currentAuthType)
6735 set_bit (FLAG_COMMIT, &local->flags);
6736 break;
6737 }
6738
6739 case IW_AUTH_WPA_ENABLED:
6740 /* Silently accept disable of WPA */
6741 if (param->value > 0)
6742 return -EOPNOTSUPP;
6743 break;
6744
6745 default:
6746 return -EOPNOTSUPP;
6747 }
6748 return -EINPROGRESS;
6749 }
6750
6751
6752 /*------------------------------------------------------------------*/
6753 /*
6754 * Wireless Handler : get extended authentication parameters
6755 */
6756 static int airo_get_auth(struct net_device *dev,
6757 struct iw_request_info *info,
6758 union iwreq_data *wrqu, char *extra)
6759 {
6760 struct airo_info *local = dev->ml_priv;
6761 struct iw_param *param = &wrqu->param;
6762 __le16 currentAuthType = local->config.authType;
6763
6764 switch (param->flags & IW_AUTH_INDEX) {
6765 case IW_AUTH_DROP_UNENCRYPTED:
6766 switch (currentAuthType) {
6767 case AUTH_SHAREDKEY:
6768 case AUTH_ENCRYPT:
6769 param->value = 1;
6770 break;
6771 default:
6772 param->value = 0;
6773 break;
6774 }
6775 break;
6776
6777 case IW_AUTH_80211_AUTH_ALG:
6778 switch (currentAuthType) {
6779 case AUTH_SHAREDKEY:
6780 param->value = IW_AUTH_ALG_SHARED_KEY;
6781 break;
6782 case AUTH_ENCRYPT:
6783 default:
6784 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6785 break;
6786 }
6787 break;
6788
6789 case IW_AUTH_WPA_ENABLED:
6790 param->value = 0;
6791 break;
6792
6793 default:
6794 return -EOPNOTSUPP;
6795 }
6796 return 0;
6797 }
6798
6799
6800 /*------------------------------------------------------------------*/
6801 /*
6802 * Wireless Handler : set Tx-Power
6803 */
6804 static int airo_set_txpow(struct net_device *dev,
6805 struct iw_request_info *info,
6806 struct iw_param *vwrq,
6807 char *extra)
6808 {
6809 struct airo_info *local = dev->ml_priv;
6810 CapabilityRid cap_rid; /* Card capability info */
6811 int i;
6812 int rc = -EINVAL;
6813 __le16 v = cpu_to_le16(vwrq->value);
6814
6815 readCapabilityRid(local, &cap_rid, 1);
6816
6817 if (vwrq->disabled) {
6818 set_bit (FLAG_RADIO_OFF, &local->flags);
6819 set_bit (FLAG_COMMIT, &local->flags);
6820 return -EINPROGRESS; /* Call commit handler */
6821 }
6822 if (vwrq->flags != IW_TXPOW_MWATT) {
6823 return -EINVAL;
6824 }
6825 clear_bit (FLAG_RADIO_OFF, &local->flags);
6826 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6827 if (v == cap_rid.txPowerLevels[i]) {
6828 readConfigRid(local, 1);
6829 local->config.txPower = v;
6830 set_bit (FLAG_COMMIT, &local->flags);
6831 rc = -EINPROGRESS; /* Call commit handler */
6832 break;
6833 }
6834 return rc;
6835 }
6836
6837 /*------------------------------------------------------------------*/
6838 /*
6839 * Wireless Handler : get Tx-Power
6840 */
6841 static int airo_get_txpow(struct net_device *dev,
6842 struct iw_request_info *info,
6843 struct iw_param *vwrq,
6844 char *extra)
6845 {
6846 struct airo_info *local = dev->ml_priv;
6847
6848 readConfigRid(local, 1);
6849 vwrq->value = le16_to_cpu(local->config.txPower);
6850 vwrq->fixed = 1; /* No power control */
6851 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6852 vwrq->flags = IW_TXPOW_MWATT;
6853
6854 return 0;
6855 }
6856
6857 /*------------------------------------------------------------------*/
6858 /*
6859 * Wireless Handler : set Retry limits
6860 */
6861 static int airo_set_retry(struct net_device *dev,
6862 struct iw_request_info *info,
6863 struct iw_param *vwrq,
6864 char *extra)
6865 {
6866 struct airo_info *local = dev->ml_priv;
6867 int rc = -EINVAL;
6868
6869 if(vwrq->disabled) {
6870 return -EINVAL;
6871 }
6872 readConfigRid(local, 1);
6873 if(vwrq->flags & IW_RETRY_LIMIT) {
6874 __le16 v = cpu_to_le16(vwrq->value);
6875 if(vwrq->flags & IW_RETRY_LONG)
6876 local->config.longRetryLimit = v;
6877 else if (vwrq->flags & IW_RETRY_SHORT)
6878 local->config.shortRetryLimit = v;
6879 else {
6880 /* No modifier : set both */
6881 local->config.longRetryLimit = v;
6882 local->config.shortRetryLimit = v;
6883 }
6884 set_bit (FLAG_COMMIT, &local->flags);
6885 rc = -EINPROGRESS; /* Call commit handler */
6886 }
6887 if(vwrq->flags & IW_RETRY_LIFETIME) {
6888 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6889 set_bit (FLAG_COMMIT, &local->flags);
6890 rc = -EINPROGRESS; /* Call commit handler */
6891 }
6892 return rc;
6893 }
6894
6895 /*------------------------------------------------------------------*/
6896 /*
6897 * Wireless Handler : get Retry limits
6898 */
6899 static int airo_get_retry(struct net_device *dev,
6900 struct iw_request_info *info,
6901 struct iw_param *vwrq,
6902 char *extra)
6903 {
6904 struct airo_info *local = dev->ml_priv;
6905
6906 vwrq->disabled = 0; /* Can't be disabled */
6907
6908 readConfigRid(local, 1);
6909 /* Note : by default, display the min retry number */
6910 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6911 vwrq->flags = IW_RETRY_LIFETIME;
6912 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6913 } else if((vwrq->flags & IW_RETRY_LONG)) {
6914 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6915 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6916 } else {
6917 vwrq->flags = IW_RETRY_LIMIT;
6918 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6919 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6920 vwrq->flags |= IW_RETRY_SHORT;
6921 }
6922
6923 return 0;
6924 }
6925
6926 /*------------------------------------------------------------------*/
6927 /*
6928 * Wireless Handler : get range info
6929 */
6930 static int airo_get_range(struct net_device *dev,
6931 struct iw_request_info *info,
6932 struct iw_point *dwrq,
6933 char *extra)
6934 {
6935 struct airo_info *local = dev->ml_priv;
6936 struct iw_range *range = (struct iw_range *) extra;
6937 CapabilityRid cap_rid; /* Card capability info */
6938 int i;
6939 int k;
6940
6941 readCapabilityRid(local, &cap_rid, 1);
6942
6943 dwrq->length = sizeof(struct iw_range);
6944 memset(range, 0, sizeof(*range));
6945 range->min_nwid = 0x0000;
6946 range->max_nwid = 0x0000;
6947 range->num_channels = 14;
6948 /* Should be based on cap_rid.country to give only
6949 * what the current card support */
6950 k = 0;
6951 for(i = 0; i < 14; i++) {
6952 range->freq[k].i = i + 1; /* List index */
6953 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6954 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6955 }
6956 range->num_frequency = k;
6957
6958 range->sensitivity = 65535;
6959
6960 /* Hum... Should put the right values there */
6961 if (local->rssi)
6962 range->max_qual.qual = 100; /* % */
6963 else
6964 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6965 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6966 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6967
6968 /* Experimental measurements - boundary 11/5.5 Mb/s */
6969 /* Note : with or without the (local->rssi), results
6970 * are somewhat different. - Jean II */
6971 if (local->rssi) {
6972 range->avg_qual.qual = 50; /* % */
6973 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6974 } else {
6975 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6976 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6977 }
6978 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6979
6980 for(i = 0 ; i < 8 ; i++) {
6981 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6982 if(range->bitrate[i] == 0)
6983 break;
6984 }
6985 range->num_bitrates = i;
6986
6987 /* Set an indication of the max TCP throughput
6988 * in bit/s that we can expect using this interface.
6989 * May be use for QoS stuff... Jean II */
6990 if(i > 2)
6991 range->throughput = 5000 * 1000;
6992 else
6993 range->throughput = 1500 * 1000;
6994
6995 range->min_rts = 0;
6996 range->max_rts = AIRO_DEF_MTU;
6997 range->min_frag = 256;
6998 range->max_frag = AIRO_DEF_MTU;
6999
7000 if(cap_rid.softCap & cpu_to_le16(2)) {
7001 // WEP: RC4 40 bits
7002 range->encoding_size[0] = 5;
7003 // RC4 ~128 bits
7004 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7005 range->encoding_size[1] = 13;
7006 range->num_encoding_sizes = 2;
7007 } else
7008 range->num_encoding_sizes = 1;
7009 range->max_encoding_tokens =
7010 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7011 } else {
7012 range->num_encoding_sizes = 0;
7013 range->max_encoding_tokens = 0;
7014 }
7015 range->min_pmp = 0;
7016 range->max_pmp = 5000000; /* 5 secs */
7017 range->min_pmt = 0;
7018 range->max_pmt = 65535 * 1024; /* ??? */
7019 range->pmp_flags = IW_POWER_PERIOD;
7020 range->pmt_flags = IW_POWER_TIMEOUT;
7021 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7022
7023 /* Transmit Power - values are in mW */
7024 for(i = 0 ; i < 8 ; i++) {
7025 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7026 if(range->txpower[i] == 0)
7027 break;
7028 }
7029 range->num_txpower = i;
7030 range->txpower_capa = IW_TXPOW_MWATT;
7031 range->we_version_source = 19;
7032 range->we_version_compiled = WIRELESS_EXT;
7033 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7034 range->retry_flags = IW_RETRY_LIMIT;
7035 range->r_time_flags = IW_RETRY_LIFETIME;
7036 range->min_retry = 1;
7037 range->max_retry = 65535;
7038 range->min_r_time = 1024;
7039 range->max_r_time = 65535 * 1024;
7040
7041 /* Event capability (kernel + driver) */
7042 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7043 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7044 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7045 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7046 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7047 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7048 return 0;
7049 }
7050
7051 /*------------------------------------------------------------------*/
7052 /*
7053 * Wireless Handler : set Power Management
7054 */
7055 static int airo_set_power(struct net_device *dev,
7056 struct iw_request_info *info,
7057 struct iw_param *vwrq,
7058 char *extra)
7059 {
7060 struct airo_info *local = dev->ml_priv;
7061
7062 readConfigRid(local, 1);
7063 if (vwrq->disabled) {
7064 if (sniffing_mode(local))
7065 return -EINVAL;
7066 local->config.powerSaveMode = POWERSAVE_CAM;
7067 local->config.rmode &= ~RXMODE_MASK;
7068 local->config.rmode |= RXMODE_BC_MC_ADDR;
7069 set_bit (FLAG_COMMIT, &local->flags);
7070 return -EINPROGRESS; /* Call commit handler */
7071 }
7072 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7073 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7074 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7075 set_bit (FLAG_COMMIT, &local->flags);
7076 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7077 local->config.fastListenInterval =
7078 local->config.listenInterval =
7079 cpu_to_le16((vwrq->value + 500) / 1024);
7080 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7081 set_bit (FLAG_COMMIT, &local->flags);
7082 }
7083 switch (vwrq->flags & IW_POWER_MODE) {
7084 case IW_POWER_UNICAST_R:
7085 if (sniffing_mode(local))
7086 return -EINVAL;
7087 local->config.rmode &= ~RXMODE_MASK;
7088 local->config.rmode |= RXMODE_ADDR;
7089 set_bit (FLAG_COMMIT, &local->flags);
7090 break;
7091 case IW_POWER_ALL_R:
7092 if (sniffing_mode(local))
7093 return -EINVAL;
7094 local->config.rmode &= ~RXMODE_MASK;
7095 local->config.rmode |= RXMODE_BC_MC_ADDR;
7096 set_bit (FLAG_COMMIT, &local->flags);
7097 case IW_POWER_ON:
7098 /* This is broken, fixme ;-) */
7099 break;
7100 default:
7101 return -EINVAL;
7102 }
7103 // Note : we may want to factor local->need_commit here
7104 // Note2 : may also want to factor RXMODE_RFMON test
7105 return -EINPROGRESS; /* Call commit handler */
7106 }
7107
7108 /*------------------------------------------------------------------*/
7109 /*
7110 * Wireless Handler : get Power Management
7111 */
7112 static int airo_get_power(struct net_device *dev,
7113 struct iw_request_info *info,
7114 struct iw_param *vwrq,
7115 char *extra)
7116 {
7117 struct airo_info *local = dev->ml_priv;
7118 __le16 mode;
7119
7120 readConfigRid(local, 1);
7121 mode = local->config.powerSaveMode;
7122 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7123 return 0;
7124 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7125 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7126 vwrq->flags = IW_POWER_TIMEOUT;
7127 } else {
7128 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7129 vwrq->flags = IW_POWER_PERIOD;
7130 }
7131 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7132 vwrq->flags |= IW_POWER_UNICAST_R;
7133 else
7134 vwrq->flags |= IW_POWER_ALL_R;
7135
7136 return 0;
7137 }
7138
7139 /*------------------------------------------------------------------*/
7140 /*
7141 * Wireless Handler : set Sensitivity
7142 */
7143 static int airo_set_sens(struct net_device *dev,
7144 struct iw_request_info *info,
7145 struct iw_param *vwrq,
7146 char *extra)
7147 {
7148 struct airo_info *local = dev->ml_priv;
7149
7150 readConfigRid(local, 1);
7151 local->config.rssiThreshold =
7152 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7153 set_bit (FLAG_COMMIT, &local->flags);
7154
7155 return -EINPROGRESS; /* Call commit handler */
7156 }
7157
7158 /*------------------------------------------------------------------*/
7159 /*
7160 * Wireless Handler : get Sensitivity
7161 */
7162 static int airo_get_sens(struct net_device *dev,
7163 struct iw_request_info *info,
7164 struct iw_param *vwrq,
7165 char *extra)
7166 {
7167 struct airo_info *local = dev->ml_priv;
7168
7169 readConfigRid(local, 1);
7170 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7171 vwrq->disabled = (vwrq->value == 0);
7172 vwrq->fixed = 1;
7173
7174 return 0;
7175 }
7176
7177 /*------------------------------------------------------------------*/
7178 /*
7179 * Wireless Handler : get AP List
7180 * Note : this is deprecated in favor of IWSCAN
7181 */
7182 static int airo_get_aplist(struct net_device *dev,
7183 struct iw_request_info *info,
7184 struct iw_point *dwrq,
7185 char *extra)
7186 {
7187 struct airo_info *local = dev->ml_priv;
7188 struct sockaddr *address = (struct sockaddr *) extra;
7189 struct iw_quality *qual;
7190 BSSListRid BSSList;
7191 int i;
7192 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7193
7194 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7195 if (!qual)
7196 return -ENOMEM;
7197
7198 for (i = 0; i < IW_MAX_AP; i++) {
7199 u16 dBm;
7200 if (readBSSListRid(local, loseSync, &BSSList))
7201 break;
7202 loseSync = 0;
7203 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7204 address[i].sa_family = ARPHRD_ETHER;
7205 dBm = le16_to_cpu(BSSList.dBm);
7206 if (local->rssi) {
7207 qual[i].level = 0x100 - dBm;
7208 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7209 qual[i].updated = IW_QUAL_QUAL_UPDATED
7210 | IW_QUAL_LEVEL_UPDATED
7211 | IW_QUAL_DBM;
7212 } else {
7213 qual[i].level = (dBm + 321) / 2;
7214 qual[i].qual = 0;
7215 qual[i].updated = IW_QUAL_QUAL_INVALID
7216 | IW_QUAL_LEVEL_UPDATED
7217 | IW_QUAL_DBM;
7218 }
7219 qual[i].noise = local->wstats.qual.noise;
7220 if (BSSList.index == cpu_to_le16(0xffff))
7221 break;
7222 }
7223 if (!i) {
7224 StatusRid status_rid; /* Card status info */
7225 readStatusRid(local, &status_rid, 1);
7226 for (i = 0;
7227 i < min(IW_MAX_AP, 4) &&
7228 (status_rid.bssid[i][0]
7229 & status_rid.bssid[i][1]
7230 & status_rid.bssid[i][2]
7231 & status_rid.bssid[i][3]
7232 & status_rid.bssid[i][4]
7233 & status_rid.bssid[i][5])!=0xff &&
7234 (status_rid.bssid[i][0]
7235 | status_rid.bssid[i][1]
7236 | status_rid.bssid[i][2]
7237 | status_rid.bssid[i][3]
7238 | status_rid.bssid[i][4]
7239 | status_rid.bssid[i][5]);
7240 i++) {
7241 memcpy(address[i].sa_data,
7242 status_rid.bssid[i], ETH_ALEN);
7243 address[i].sa_family = ARPHRD_ETHER;
7244 }
7245 } else {
7246 dwrq->flags = 1; /* Should be define'd */
7247 memcpy(extra + sizeof(struct sockaddr)*i,
7248 &qual, sizeof(struct iw_quality)*i);
7249 }
7250 dwrq->length = i;
7251
7252 kfree(qual);
7253 return 0;
7254 }
7255
7256 /*------------------------------------------------------------------*/
7257 /*
7258 * Wireless Handler : Initiate Scan
7259 */
7260 static int airo_set_scan(struct net_device *dev,
7261 struct iw_request_info *info,
7262 struct iw_point *dwrq,
7263 char *extra)
7264 {
7265 struct airo_info *ai = dev->ml_priv;
7266 Cmd cmd;
7267 Resp rsp;
7268 int wake = 0;
7269
7270 /* Note : you may have realised that, as this is a SET operation,
7271 * this is privileged and therefore a normal user can't
7272 * perform scanning.
7273 * This is not an error, while the device perform scanning,
7274 * traffic doesn't flow, so it's a perfect DoS...
7275 * Jean II */
7276 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7277
7278 if (down_interruptible(&ai->sem))
7279 return -ERESTARTSYS;
7280
7281 /* If there's already a scan in progress, don't
7282 * trigger another one. */
7283 if (ai->scan_timeout > 0)
7284 goto out;
7285
7286 /* Initiate a scan command */
7287 ai->scan_timeout = RUN_AT(3*HZ);
7288 memset(&cmd, 0, sizeof(cmd));
7289 cmd.cmd=CMD_LISTBSS;
7290 issuecommand(ai, &cmd, &rsp);
7291 wake = 1;
7292
7293 out:
7294 up(&ai->sem);
7295 if (wake)
7296 wake_up_interruptible(&ai->thr_wait);
7297 return 0;
7298 }
7299
7300 /*------------------------------------------------------------------*/
7301 /*
7302 * Translate scan data returned from the card to a card independent
7303 * format that the Wireless Tools will understand - Jean II
7304 */
7305 static inline char *airo_translate_scan(struct net_device *dev,
7306 struct iw_request_info *info,
7307 char *current_ev,
7308 char *end_buf,
7309 BSSListRid *bss)
7310 {
7311 struct airo_info *ai = dev->ml_priv;
7312 struct iw_event iwe; /* Temporary buffer */
7313 __le16 capabilities;
7314 char * current_val; /* For rates */
7315 int i;
7316 char * buf;
7317 u16 dBm;
7318
7319 /* First entry *MUST* be the AP MAC address */
7320 iwe.cmd = SIOCGIWAP;
7321 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7322 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7323 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7324 &iwe, IW_EV_ADDR_LEN);
7325
7326 /* Other entries will be displayed in the order we give them */
7327
7328 /* Add the ESSID */
7329 iwe.u.data.length = bss->ssidLen;
7330 if(iwe.u.data.length > 32)
7331 iwe.u.data.length = 32;
7332 iwe.cmd = SIOCGIWESSID;
7333 iwe.u.data.flags = 1;
7334 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7335 &iwe, bss->ssid);
7336
7337 /* Add mode */
7338 iwe.cmd = SIOCGIWMODE;
7339 capabilities = bss->cap;
7340 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7341 if(capabilities & CAP_ESS)
7342 iwe.u.mode = IW_MODE_MASTER;
7343 else
7344 iwe.u.mode = IW_MODE_ADHOC;
7345 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7346 &iwe, IW_EV_UINT_LEN);
7347 }
7348
7349 /* Add frequency */
7350 iwe.cmd = SIOCGIWFREQ;
7351 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7352 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7353 iwe.u.freq.e = 1;
7354 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7355 &iwe, IW_EV_FREQ_LEN);
7356
7357 dBm = le16_to_cpu(bss->dBm);
7358
7359 /* Add quality statistics */
7360 iwe.cmd = IWEVQUAL;
7361 if (ai->rssi) {
7362 iwe.u.qual.level = 0x100 - dBm;
7363 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7364 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7365 | IW_QUAL_LEVEL_UPDATED
7366 | IW_QUAL_DBM;
7367 } else {
7368 iwe.u.qual.level = (dBm + 321) / 2;
7369 iwe.u.qual.qual = 0;
7370 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7371 | IW_QUAL_LEVEL_UPDATED
7372 | IW_QUAL_DBM;
7373 }
7374 iwe.u.qual.noise = ai->wstats.qual.noise;
7375 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7376 &iwe, IW_EV_QUAL_LEN);
7377
7378 /* Add encryption capability */
7379 iwe.cmd = SIOCGIWENCODE;
7380 if(capabilities & CAP_PRIVACY)
7381 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7382 else
7383 iwe.u.data.flags = IW_ENCODE_DISABLED;
7384 iwe.u.data.length = 0;
7385 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7386 &iwe, bss->ssid);
7387
7388 /* Rate : stuffing multiple values in a single event require a bit
7389 * more of magic - Jean II */
7390 current_val = current_ev + iwe_stream_lcp_len(info);
7391
7392 iwe.cmd = SIOCGIWRATE;
7393 /* Those two flags are ignored... */
7394 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7395 /* Max 8 values */
7396 for(i = 0 ; i < 8 ; i++) {
7397 /* NULL terminated */
7398 if(bss->rates[i] == 0)
7399 break;
7400 /* Bit rate given in 500 kb/s units (+ 0x80) */
7401 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7402 /* Add new value to event */
7403 current_val = iwe_stream_add_value(info, current_ev,
7404 current_val, end_buf,
7405 &iwe, IW_EV_PARAM_LEN);
7406 }
7407 /* Check if we added any event */
7408 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7409 current_ev = current_val;
7410
7411 /* Beacon interval */
7412 buf = kmalloc(30, GFP_KERNEL);
7413 if (buf) {
7414 iwe.cmd = IWEVCUSTOM;
7415 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7416 iwe.u.data.length = strlen(buf);
7417 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7418 &iwe, buf);
7419 kfree(buf);
7420 }
7421
7422 /* Put WPA/RSN Information Elements into the event stream */
7423 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7424 unsigned int num_null_ies = 0;
7425 u16 length = sizeof (bss->extra.iep);
7426 u8 *ie = (void *)&bss->extra.iep;
7427
7428 while ((length >= 2) && (num_null_ies < 2)) {
7429 if (2 + ie[1] > length) {
7430 /* Invalid element, don't continue parsing IE */
7431 break;
7432 }
7433
7434 switch (ie[0]) {
7435 case WLAN_EID_SSID:
7436 /* Two zero-length SSID elements
7437 * mean we're done parsing elements */
7438 if (!ie[1])
7439 num_null_ies++;
7440 break;
7441
7442 case WLAN_EID_GENERIC:
7443 if (ie[1] >= 4 &&
7444 ie[2] == 0x00 &&
7445 ie[3] == 0x50 &&
7446 ie[4] == 0xf2 &&
7447 ie[5] == 0x01) {
7448 iwe.cmd = IWEVGENIE;
7449 /* 64 is an arbitrary cut-off */
7450 iwe.u.data.length = min(ie[1] + 2,
7451 64);
7452 current_ev = iwe_stream_add_point(
7453 info, current_ev,
7454 end_buf, &iwe, ie);
7455 }
7456 break;
7457
7458 case WLAN_EID_RSN:
7459 iwe.cmd = IWEVGENIE;
7460 /* 64 is an arbitrary cut-off */
7461 iwe.u.data.length = min(ie[1] + 2, 64);
7462 current_ev = iwe_stream_add_point(
7463 info, current_ev, end_buf,
7464 &iwe, ie);
7465 break;
7466
7467 default:
7468 break;
7469 }
7470
7471 length -= 2 + ie[1];
7472 ie += 2 + ie[1];
7473 }
7474 }
7475 return current_ev;
7476 }
7477
7478 /*------------------------------------------------------------------*/
7479 /*
7480 * Wireless Handler : Read Scan Results
7481 */
7482 static int airo_get_scan(struct net_device *dev,
7483 struct iw_request_info *info,
7484 struct iw_point *dwrq,
7485 char *extra)
7486 {
7487 struct airo_info *ai = dev->ml_priv;
7488 BSSListElement *net;
7489 int err = 0;
7490 char *current_ev = extra;
7491
7492 /* If a scan is in-progress, return -EAGAIN */
7493 if (ai->scan_timeout > 0)
7494 return -EAGAIN;
7495
7496 if (down_interruptible(&ai->sem))
7497 return -EAGAIN;
7498
7499 list_for_each_entry (net, &ai->network_list, list) {
7500 /* Translate to WE format this entry */
7501 current_ev = airo_translate_scan(dev, info, current_ev,
7502 extra + dwrq->length,
7503 &net->bss);
7504
7505 /* Check if there is space for one more entry */
7506 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7507 /* Ask user space to try again with a bigger buffer */
7508 err = -E2BIG;
7509 goto out;
7510 }
7511 }
7512
7513 /* Length of data */
7514 dwrq->length = (current_ev - extra);
7515 dwrq->flags = 0; /* todo */
7516
7517 out:
7518 up(&ai->sem);
7519 return err;
7520 }
7521
7522 /*------------------------------------------------------------------*/
7523 /*
7524 * Commit handler : called after a bunch of SET operations
7525 */
7526 static int airo_config_commit(struct net_device *dev,
7527 struct iw_request_info *info, /* NULL */
7528 void *zwrq, /* NULL */
7529 char *extra) /* NULL */
7530 {
7531 struct airo_info *local = dev->ml_priv;
7532
7533 if (!test_bit (FLAG_COMMIT, &local->flags))
7534 return 0;
7535
7536 /* Some of the "SET" function may have modified some of the
7537 * parameters. It's now time to commit them in the card */
7538 disable_MAC(local, 1);
7539 if (test_bit (FLAG_RESET, &local->flags)) {
7540 APListRid APList_rid;
7541 SsidRid SSID_rid;
7542
7543 readAPListRid(local, &APList_rid);
7544 readSsidRid(local, &SSID_rid);
7545 if (test_bit(FLAG_MPI,&local->flags))
7546 setup_card(local, dev->dev_addr, 1 );
7547 else
7548 reset_airo_card(dev);
7549 disable_MAC(local, 1);
7550 writeSsidRid(local, &SSID_rid, 1);
7551 writeAPListRid(local, &APList_rid, 1);
7552 }
7553 if (down_interruptible(&local->sem))
7554 return -ERESTARTSYS;
7555 writeConfigRid(local, 0);
7556 enable_MAC(local, 0);
7557 if (test_bit (FLAG_RESET, &local->flags))
7558 airo_set_promisc(local);
7559 else
7560 up(&local->sem);
7561
7562 return 0;
7563 }
7564
7565 /*------------------------------------------------------------------*/
7566 /*
7567 * Structures to export the Wireless Handlers
7568 */
7569
7570 static const struct iw_priv_args airo_private_args[] = {
7571 /*{ cmd, set_args, get_args, name } */
7572 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7573 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7574 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7575 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7576 };
7577
7578 static const iw_handler airo_handler[] =
7579 {
7580 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7581 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7582 (iw_handler) NULL, /* SIOCSIWNWID */
7583 (iw_handler) NULL, /* SIOCGIWNWID */
7584 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7585 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7586 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7587 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7588 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7589 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7590 (iw_handler) NULL, /* SIOCSIWRANGE */
7591 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7592 (iw_handler) NULL, /* SIOCSIWPRIV */
7593 (iw_handler) NULL, /* SIOCGIWPRIV */
7594 (iw_handler) NULL, /* SIOCSIWSTATS */
7595 (iw_handler) NULL, /* SIOCGIWSTATS */
7596 iw_handler_set_spy, /* SIOCSIWSPY */
7597 iw_handler_get_spy, /* SIOCGIWSPY */
7598 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7599 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7600 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7601 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7602 (iw_handler) NULL, /* -- hole -- */
7603 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7604 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7605 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7606 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7607 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7608 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7609 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7610 (iw_handler) NULL, /* -- hole -- */
7611 (iw_handler) NULL, /* -- hole -- */
7612 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7613 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7614 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7615 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7616 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7617 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7618 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7619 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7620 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7621 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7622 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7623 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7624 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7625 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7626 (iw_handler) NULL, /* -- hole -- */
7627 (iw_handler) NULL, /* -- hole -- */
7628 (iw_handler) NULL, /* SIOCSIWGENIE */
7629 (iw_handler) NULL, /* SIOCGIWGENIE */
7630 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7631 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7632 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7633 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7634 (iw_handler) NULL, /* SIOCSIWPMKSA */
7635 };
7636
7637 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7638 * We want to force the use of the ioctl code, because those can't be
7639 * won't work the iw_handler code (because they simultaneously read
7640 * and write data and iw_handler can't do that).
7641 * Note that it's perfectly legal to read/write on a single ioctl command,
7642 * you just can't use iwpriv and need to force it via the ioctl handler.
7643 * Jean II */
7644 static const iw_handler airo_private_handler[] =
7645 {
7646 NULL, /* SIOCIWFIRSTPRIV */
7647 };
7648
7649 static const struct iw_handler_def airo_handler_def =
7650 {
7651 .num_standard = ARRAY_SIZE(airo_handler),
7652 .num_private = ARRAY_SIZE(airo_private_handler),
7653 .num_private_args = ARRAY_SIZE(airo_private_args),
7654 .standard = airo_handler,
7655 .private = airo_private_handler,
7656 .private_args = airo_private_args,
7657 .get_wireless_stats = airo_get_wireless_stats,
7658 };
7659
7660 /*
7661 * This defines the configuration part of the Wireless Extensions
7662 * Note : irq and spinlock protection will occur in the subroutines
7663 *
7664 * TODO :
7665 * o Check input value more carefully and fill correct values in range
7666 * o Test and shakeout the bugs (if any)
7667 *
7668 * Jean II
7669 *
7670 * Javier Achirica did a great job of merging code from the unnamed CISCO
7671 * developer that added support for flashing the card.
7672 */
7673 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7674 {
7675 int rc = 0;
7676 struct airo_info *ai = dev->ml_priv;
7677
7678 if (ai->power.event)
7679 return 0;
7680
7681 switch (cmd) {
7682 #ifdef CISCO_EXT
7683 case AIROIDIFC:
7684 #ifdef AIROOLDIDIFC
7685 case AIROOLDIDIFC:
7686 #endif
7687 {
7688 int val = AIROMAGIC;
7689 aironet_ioctl com;
7690 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7691 rc = -EFAULT;
7692 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7693 rc = -EFAULT;
7694 }
7695 break;
7696
7697 case AIROIOCTL:
7698 #ifdef AIROOLDIOCTL
7699 case AIROOLDIOCTL:
7700 #endif
7701 /* Get the command struct and hand it off for evaluation by
7702 * the proper subfunction
7703 */
7704 {
7705 aironet_ioctl com;
7706 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7707 rc = -EFAULT;
7708 break;
7709 }
7710
7711 /* Separate R/W functions bracket legality here
7712 */
7713 if ( com.command == AIRORSWVERSION ) {
7714 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7715 rc = -EFAULT;
7716 else
7717 rc = 0;
7718 }
7719 else if ( com.command <= AIRORRID)
7720 rc = readrids(dev,&com);
7721 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7722 rc = writerids(dev,&com);
7723 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7724 rc = flashcard(dev,&com);
7725 else
7726 rc = -EINVAL; /* Bad command in ioctl */
7727 }
7728 break;
7729 #endif /* CISCO_EXT */
7730
7731 // All other calls are currently unsupported
7732 default:
7733 rc = -EOPNOTSUPP;
7734 }
7735 return rc;
7736 }
7737
7738 /*
7739 * Get the Wireless stats out of the driver
7740 * Note : irq and spinlock protection will occur in the subroutines
7741 *
7742 * TODO :
7743 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7744 *
7745 * Jean
7746 */
7747 static void airo_read_wireless_stats(struct airo_info *local)
7748 {
7749 StatusRid status_rid;
7750 StatsRid stats_rid;
7751 CapabilityRid cap_rid;
7752 __le32 *vals = stats_rid.vals;
7753
7754 /* Get stats out of the card */
7755 clear_bit(JOB_WSTATS, &local->jobs);
7756 if (local->power.event) {
7757 up(&local->sem);
7758 return;
7759 }
7760 readCapabilityRid(local, &cap_rid, 0);
7761 readStatusRid(local, &status_rid, 0);
7762 readStatsRid(local, &stats_rid, RID_STATS, 0);
7763 up(&local->sem);
7764
7765 /* The status */
7766 local->wstats.status = le16_to_cpu(status_rid.mode);
7767
7768 /* Signal quality and co */
7769 if (local->rssi) {
7770 local->wstats.qual.level =
7771 airo_rssi_to_dbm(local->rssi,
7772 le16_to_cpu(status_rid.sigQuality));
7773 /* normalizedSignalStrength appears to be a percentage */
7774 local->wstats.qual.qual =
7775 le16_to_cpu(status_rid.normalizedSignalStrength);
7776 } else {
7777 local->wstats.qual.level =
7778 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7779 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7780 }
7781 if (le16_to_cpu(status_rid.len) >= 124) {
7782 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7783 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7784 } else {
7785 local->wstats.qual.noise = 0;
7786 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7787 }
7788
7789 /* Packets discarded in the wireless adapter due to wireless
7790 * specific problems */
7791 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7792 le32_to_cpu(vals[57]) +
7793 le32_to_cpu(vals[58]); /* SSID Mismatch */
7794 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7795 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7796 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7797 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7798 le32_to_cpu(vals[32]);
7799 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7800 }
7801
7802 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7803 {
7804 struct airo_info *local = dev->ml_priv;
7805
7806 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7807 /* Get stats out of the card if available */
7808 if (down_trylock(&local->sem) != 0) {
7809 set_bit(JOB_WSTATS, &local->jobs);
7810 wake_up_interruptible(&local->thr_wait);
7811 } else
7812 airo_read_wireless_stats(local);
7813 }
7814
7815 return &local->wstats;
7816 }
7817
7818 #ifdef CISCO_EXT
7819 /*
7820 * This just translates from driver IOCTL codes to the command codes to
7821 * feed to the radio's host interface. Things can be added/deleted
7822 * as needed. This represents the READ side of control I/O to
7823 * the card
7824 */
7825 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7826 unsigned short ridcode;
7827 unsigned char *iobuf;
7828 int len;
7829 struct airo_info *ai = dev->ml_priv;
7830
7831 if (test_bit(FLAG_FLASHING, &ai->flags))
7832 return -EIO;
7833
7834 switch(comp->command)
7835 {
7836 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7837 case AIROGCFG: ridcode = RID_CONFIG;
7838 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7839 disable_MAC (ai, 1);
7840 writeConfigRid (ai, 1);
7841 enable_MAC(ai, 1);
7842 }
7843 break;
7844 case AIROGSLIST: ridcode = RID_SSID; break;
7845 case AIROGVLIST: ridcode = RID_APLIST; break;
7846 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7847 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7848 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7849 /* Only super-user can read WEP keys */
7850 if (!capable(CAP_NET_ADMIN))
7851 return -EPERM;
7852 break;
7853 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7854 /* Only super-user can read WEP keys */
7855 if (!capable(CAP_NET_ADMIN))
7856 return -EPERM;
7857 break;
7858 case AIROGSTAT: ridcode = RID_STATUS; break;
7859 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7860 case AIROGSTATSC32: ridcode = RID_STATS; break;
7861 case AIROGMICSTATS:
7862 if (copy_to_user(comp->data, &ai->micstats,
7863 min((int)comp->len,(int)sizeof(ai->micstats))))
7864 return -EFAULT;
7865 return 0;
7866 case AIRORRID: ridcode = comp->ridnum; break;
7867 default:
7868 return -EINVAL;
7869 break;
7870 }
7871
7872 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7873 return -ENOMEM;
7874
7875 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7876 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7877 * then return it to the user
7878 * 9/22/2000 Honor user given length
7879 */
7880 len = comp->len;
7881
7882 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7883 kfree (iobuf);
7884 return -EFAULT;
7885 }
7886 kfree (iobuf);
7887 return 0;
7888 }
7889
7890 /*
7891 * Danger Will Robinson write the rids here
7892 */
7893
7894 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7895 struct airo_info *ai = dev->ml_priv;
7896 int ridcode;
7897 int enabled;
7898 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7899 unsigned char *iobuf;
7900
7901 /* Only super-user can write RIDs */
7902 if (!capable(CAP_NET_ADMIN))
7903 return -EPERM;
7904
7905 if (test_bit(FLAG_FLASHING, &ai->flags))
7906 return -EIO;
7907
7908 ridcode = 0;
7909 writer = do_writerid;
7910
7911 switch(comp->command)
7912 {
7913 case AIROPSIDS: ridcode = RID_SSID; break;
7914 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7915 case AIROPAPLIST: ridcode = RID_APLIST; break;
7916 case AIROPCFG: ai->config.len = 0;
7917 clear_bit(FLAG_COMMIT, &ai->flags);
7918 ridcode = RID_CONFIG; break;
7919 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7920 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7921 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7922 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7923 break;
7924 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7925 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7926
7927 /* this is not really a rid but a command given to the card
7928 * same with MAC off
7929 */
7930 case AIROPMACON:
7931 if (enable_MAC(ai, 1) != 0)
7932 return -EIO;
7933 return 0;
7934
7935 /*
7936 * Evidently this code in the airo driver does not get a symbol
7937 * as disable_MAC. it's probably so short the compiler does not gen one.
7938 */
7939 case AIROPMACOFF:
7940 disable_MAC(ai, 1);
7941 return 0;
7942
7943 /* This command merely clears the counts does not actually store any data
7944 * only reads rid. But as it changes the cards state, I put it in the
7945 * writerid routines.
7946 */
7947 case AIROPSTCLR:
7948 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7949 return -ENOMEM;
7950
7951 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7952
7953 enabled = ai->micstats.enabled;
7954 memset(&ai->micstats,0,sizeof(ai->micstats));
7955 ai->micstats.enabled = enabled;
7956
7957 if (copy_to_user(comp->data, iobuf,
7958 min((int)comp->len, (int)RIDSIZE))) {
7959 kfree (iobuf);
7960 return -EFAULT;
7961 }
7962 kfree (iobuf);
7963 return 0;
7964
7965 default:
7966 return -EOPNOTSUPP; /* Blarg! */
7967 }
7968 if(comp->len > RIDSIZE)
7969 return -EINVAL;
7970
7971 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7972 return -ENOMEM;
7973
7974 if (copy_from_user(iobuf,comp->data,comp->len)) {
7975 kfree (iobuf);
7976 return -EFAULT;
7977 }
7978
7979 if (comp->command == AIROPCFG) {
7980 ConfigRid *cfg = (ConfigRid *)iobuf;
7981
7982 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7983 cfg->opmode |= MODE_MIC;
7984
7985 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7986 set_bit (FLAG_ADHOC, &ai->flags);
7987 else
7988 clear_bit (FLAG_ADHOC, &ai->flags);
7989 }
7990
7991 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7992 kfree (iobuf);
7993 return -EIO;
7994 }
7995 kfree (iobuf);
7996 return 0;
7997 }
7998
7999 /*****************************************************************************
8000 * Ancillary flash / mod functions much black magic lurkes here *
8001 *****************************************************************************
8002 */
8003
8004 /*
8005 * Flash command switch table
8006 */
8007
8008 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8009 int z;
8010
8011 /* Only super-user can modify flash */
8012 if (!capable(CAP_NET_ADMIN))
8013 return -EPERM;
8014
8015 switch(comp->command)
8016 {
8017 case AIROFLSHRST:
8018 return cmdreset((struct airo_info *)dev->ml_priv);
8019
8020 case AIROFLSHSTFL:
8021 if (!AIRO_FLASH(dev) &&
8022 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8023 return -ENOMEM;
8024 return setflashmode((struct airo_info *)dev->ml_priv);
8025
8026 case AIROFLSHGCHR: /* Get char from aux */
8027 if(comp->len != sizeof(int))
8028 return -EINVAL;
8029 if (copy_from_user(&z,comp->data,comp->len))
8030 return -EFAULT;
8031 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8032
8033 case AIROFLSHPCHR: /* Send char to card. */
8034 if(comp->len != sizeof(int))
8035 return -EINVAL;
8036 if (copy_from_user(&z,comp->data,comp->len))
8037 return -EFAULT;
8038 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8039
8040 case AIROFLPUTBUF: /* Send 32k to card */
8041 if (!AIRO_FLASH(dev))
8042 return -ENOMEM;
8043 if(comp->len > FLASHSIZE)
8044 return -EINVAL;
8045 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8046 return -EFAULT;
8047
8048 flashputbuf((struct airo_info *)dev->ml_priv);
8049 return 0;
8050
8051 case AIRORESTART:
8052 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8053 return -EIO;
8054 return 0;
8055 }
8056 return -EINVAL;
8057 }
8058
8059 #define FLASH_COMMAND 0x7e7e
8060
8061 /*
8062 * STEP 1)
8063 * Disable MAC and do soft reset on
8064 * card.
8065 */
8066
8067 static int cmdreset(struct airo_info *ai) {
8068 disable_MAC(ai, 1);
8069
8070 if(!waitbusy (ai)){
8071 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8072 return -EBUSY;
8073 }
8074
8075 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8076
8077 ssleep(1); /* WAS 600 12/7/00 */
8078
8079 if(!waitbusy (ai)){
8080 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8081 return -EBUSY;
8082 }
8083 return 0;
8084 }
8085
8086 /* STEP 2)
8087 * Put the card in legendary flash
8088 * mode
8089 */
8090
8091 static int setflashmode (struct airo_info *ai) {
8092 set_bit (FLAG_FLASHING, &ai->flags);
8093
8094 OUT4500(ai, SWS0, FLASH_COMMAND);
8095 OUT4500(ai, SWS1, FLASH_COMMAND);
8096 if (probe) {
8097 OUT4500(ai, SWS0, FLASH_COMMAND);
8098 OUT4500(ai, COMMAND,0x10);
8099 } else {
8100 OUT4500(ai, SWS2, FLASH_COMMAND);
8101 OUT4500(ai, SWS3, FLASH_COMMAND);
8102 OUT4500(ai, COMMAND,0);
8103 }
8104 msleep(500); /* 500ms delay */
8105
8106 if(!waitbusy(ai)) {
8107 clear_bit (FLAG_FLASHING, &ai->flags);
8108 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8109 return -EIO;
8110 }
8111 return 0;
8112 }
8113
8114 /* Put character to SWS0 wait for dwelltime
8115 * x 50us for echo .
8116 */
8117
8118 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8119 int echo;
8120 int waittime;
8121
8122 byte |= 0x8000;
8123
8124 if(dwelltime == 0 )
8125 dwelltime = 200;
8126
8127 waittime=dwelltime;
8128
8129 /* Wait for busy bit d15 to go false indicating buffer empty */
8130 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8131 udelay (50);
8132 waittime -= 50;
8133 }
8134
8135 /* timeout for busy clear wait */
8136 if(waittime <= 0 ){
8137 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8138 return -EBUSY;
8139 }
8140
8141 /* Port is clear now write byte and wait for it to echo back */
8142 do {
8143 OUT4500(ai,SWS0,byte);
8144 udelay(50);
8145 dwelltime -= 50;
8146 echo = IN4500(ai,SWS1);
8147 } while (dwelltime >= 0 && echo != byte);
8148
8149 OUT4500(ai,SWS1,0);
8150
8151 return (echo == byte) ? 0 : -EIO;
8152 }
8153
8154 /*
8155 * Get a character from the card matching matchbyte
8156 * Step 3)
8157 */
8158 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8159 int rchar;
8160 unsigned char rbyte=0;
8161
8162 do {
8163 rchar = IN4500(ai,SWS1);
8164
8165 if(dwelltime && !(0x8000 & rchar)){
8166 dwelltime -= 10;
8167 mdelay(10);
8168 continue;
8169 }
8170 rbyte = 0xff & rchar;
8171
8172 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8173 OUT4500(ai,SWS1,0);
8174 return 0;
8175 }
8176 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8177 break;
8178 OUT4500(ai,SWS1,0);
8179
8180 }while(dwelltime > 0);
8181 return -EIO;
8182 }
8183
8184 /*
8185 * Transfer 32k of firmware data from user buffer to our buffer and
8186 * send to the card
8187 */
8188
8189 static int flashputbuf(struct airo_info *ai){
8190 int nwords;
8191
8192 /* Write stuff */
8193 if (test_bit(FLAG_MPI,&ai->flags))
8194 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8195 else {
8196 OUT4500(ai,AUXPAGE,0x100);
8197 OUT4500(ai,AUXOFF,0);
8198
8199 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8200 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8201 }
8202 }
8203 OUT4500(ai,SWS0,0x8000);
8204
8205 return 0;
8206 }
8207
8208 /*
8209 *
8210 */
8211 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8212 int i,status;
8213
8214 ssleep(1); /* Added 12/7/00 */
8215 clear_bit (FLAG_FLASHING, &ai->flags);
8216 if (test_bit(FLAG_MPI, &ai->flags)) {
8217 status = mpi_init_descriptors(ai);
8218 if (status != SUCCESS)
8219 return status;
8220 }
8221 status = setup_card(ai, dev->dev_addr, 1);
8222
8223 if (!test_bit(FLAG_MPI,&ai->flags))
8224 for( i = 0; i < MAX_FIDS; i++ ) {
8225 ai->fids[i] = transmit_allocate
8226 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8227 }
8228
8229 ssleep(1); /* Added 12/7/00 */
8230 return status;
8231 }
8232 #endif /* CISCO_EXT */
8233
8234 /*
8235 This program is free software; you can redistribute it and/or
8236 modify it under the terms of the GNU General Public License
8237 as published by the Free Software Foundation; either version 2
8238 of the License, or (at your option) any later version.
8239
8240 This program is distributed in the hope that it will be useful,
8241 but WITHOUT ANY WARRANTY; without even the implied warranty of
8242 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8243 GNU General Public License for more details.
8244
8245 In addition:
8246
8247 Redistribution and use in source and binary forms, with or without
8248 modification, are permitted provided that the following conditions
8249 are met:
8250
8251 1. Redistributions of source code must retain the above copyright
8252 notice, this list of conditions and the following disclaimer.
8253 2. Redistributions in binary form must reproduce the above copyright
8254 notice, this list of conditions and the following disclaimer in the
8255 documentation and/or other materials provided with the distribution.
8256 3. The name of the author may not be used to endorse or promote
8257 products derived from this software without specific prior written
8258 permission.
8259
8260 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8261 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8262 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8263 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8264 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8265 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8266 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8267 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8268 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8269 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8270 POSSIBILITY OF SUCH DAMAGE.
8271 */
8272
8273 module_init(airo_init_module);
8274 module_exit(airo_cleanup_module);
Linux with added FPC-III support