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dm writecache: add cond_resched to loop in persistent_memory_claim()
[linux/fpc-iii.git] / drivers / net / wireless / cisco / airo.c
blob827bb6d74815af15c1a2f94b386333c9d1d1cbb1
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 <linux/io.h>
40 #include <asm/unaligned.h>
41
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <linux/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
51
52 #include <crypto/aes.h>
53 #include <crypto/skcipher.h>
54
55 #include <net/cfg80211.h>
56 #include <net/iw_handler.h>
57
58 #include "airo.h"
59
60 #define DRV_NAME "airo"
61
62 #ifdef CONFIG_PCI
63 static const struct pci_device_id card_ids[] = {
64 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
66 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
70 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
71 { 0, }
72 };
73 MODULE_DEVICE_TABLE(pci, card_ids);
74
75 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
76 static void airo_pci_remove(struct pci_dev *);
77 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
78 static int airo_pci_resume(struct pci_dev *pdev);
79
80 static struct pci_driver airo_driver = {
81 .name = DRV_NAME,
82 .id_table = card_ids,
83 .probe = airo_pci_probe,
84 .remove = airo_pci_remove,
85 .suspend = airo_pci_suspend,
86 .resume = airo_pci_resume,
87 };
88 #endif /* CONFIG_PCI */
89
90 /* Include Wireless Extension definition and check version - Jean II */
91 #include <linux/wireless.h>
92 #define WIRELESS_SPY /* enable iwspy support */
93
94 #define CISCO_EXT /* enable Cisco extensions */
95 #ifdef CISCO_EXT
96 #include <linux/delay.h>
97 #endif
98
99 /* Hack to do some power saving */
100 #define POWER_ON_DOWN
101
102 /* As you can see this list is HUGH!
103 I really don't know what a lot of these counts are about, but they
104 are all here for completeness. If the IGNLABEL macro is put in
105 infront of the label, that statistic will not be included in the list
106 of statistics in the /proc filesystem */
107
108 #define IGNLABEL(comment) NULL
109 static const char *statsLabels[] = {
110 "RxOverrun",
111 IGNLABEL("RxPlcpCrcErr"),
112 IGNLABEL("RxPlcpFormatErr"),
113 IGNLABEL("RxPlcpLengthErr"),
114 "RxMacCrcErr",
115 "RxMacCrcOk",
116 "RxWepErr",
117 "RxWepOk",
118 "RetryLong",
119 "RetryShort",
120 "MaxRetries",
121 "NoAck",
122 "NoCts",
123 "RxAck",
124 "RxCts",
125 "TxAck",
126 "TxRts",
127 "TxCts",
128 "TxMc",
129 "TxBc",
130 "TxUcFrags",
131 "TxUcPackets",
132 "TxBeacon",
133 "RxBeacon",
134 "TxSinColl",
135 "TxMulColl",
136 "DefersNo",
137 "DefersProt",
138 "DefersEngy",
139 "DupFram",
140 "RxFragDisc",
141 "TxAged",
142 "RxAged",
143 "LostSync-MaxRetry",
144 "LostSync-MissedBeacons",
145 "LostSync-ArlExceeded",
146 "LostSync-Deauth",
147 "LostSync-Disassoced",
148 "LostSync-TsfTiming",
149 "HostTxMc",
150 "HostTxBc",
151 "HostTxUc",
152 "HostTxFail",
153 "HostRxMc",
154 "HostRxBc",
155 "HostRxUc",
156 "HostRxDiscard",
157 IGNLABEL("HmacTxMc"),
158 IGNLABEL("HmacTxBc"),
159 IGNLABEL("HmacTxUc"),
160 IGNLABEL("HmacTxFail"),
161 IGNLABEL("HmacRxMc"),
162 IGNLABEL("HmacRxBc"),
163 IGNLABEL("HmacRxUc"),
164 IGNLABEL("HmacRxDiscard"),
165 IGNLABEL("HmacRxAccepted"),
166 "SsidMismatch",
167 "ApMismatch",
168 "RatesMismatch",
169 "AuthReject",
170 "AuthTimeout",
171 "AssocReject",
172 "AssocTimeout",
173 IGNLABEL("ReasonOutsideTable"),
174 IGNLABEL("ReasonStatus1"),
175 IGNLABEL("ReasonStatus2"),
176 IGNLABEL("ReasonStatus3"),
177 IGNLABEL("ReasonStatus4"),
178 IGNLABEL("ReasonStatus5"),
179 IGNLABEL("ReasonStatus6"),
180 IGNLABEL("ReasonStatus7"),
181 IGNLABEL("ReasonStatus8"),
182 IGNLABEL("ReasonStatus9"),
183 IGNLABEL("ReasonStatus10"),
184 IGNLABEL("ReasonStatus11"),
185 IGNLABEL("ReasonStatus12"),
186 IGNLABEL("ReasonStatus13"),
187 IGNLABEL("ReasonStatus14"),
188 IGNLABEL("ReasonStatus15"),
189 IGNLABEL("ReasonStatus16"),
190 IGNLABEL("ReasonStatus17"),
191 IGNLABEL("ReasonStatus18"),
192 IGNLABEL("ReasonStatus19"),
193 "RxMan",
194 "TxMan",
195 "RxRefresh",
196 "TxRefresh",
197 "RxPoll",
198 "TxPoll",
199 "HostRetries",
200 "LostSync-HostReq",
201 "HostTxBytes",
202 "HostRxBytes",
203 "ElapsedUsec",
204 "ElapsedSec",
205 "LostSyncBetterAP",
206 "PrivacyMismatch",
207 "Jammed",
208 "DiscRxNotWepped",
209 "PhyEleMismatch",
210 (char*)-1 };
211 #ifndef RUN_AT
212 #define RUN_AT(x) (jiffies+(x))
213 #endif
214
215
216 /* These variables are for insmod, since it seems that the rates
217 can only be set in setup_card. Rates should be a comma separated
218 (no spaces) list of rates (up to 8). */
219
220 static int rates[8];
221 static char *ssids[3];
222
223 static int io[4];
224 static int irq[4];
225
226 static
227 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
229
230 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
233 static int adhoc;
234
235 static int probe = 1;
236
237 static kuid_t proc_kuid;
238 static int proc_uid /* = 0 */;
239
240 static kgid_t proc_kgid;
241 static int proc_gid /* = 0 */;
242
243 static int airo_perm = 0555;
244
245 static int proc_perm = 0644;
246
247 MODULE_AUTHOR("Benjamin Reed");
248 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
249 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
250 MODULE_LICENSE("Dual BSD/GPL");
251 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
252 module_param_hw_array(io, int, ioport, NULL, 0);
253 module_param_hw_array(irq, int, irq, NULL, 0);
254 module_param_array(rates, int, NULL, 0);
255 module_param_array(ssids, charp, NULL, 0);
256 module_param(auto_wep, int, 0);
257 MODULE_PARM_DESC(auto_wep,
258 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
259 "The value of auto_wep is number of the wep keys to check. "
260 "A value of 2 will try using the key at index 0 and index 1.");
261 module_param(aux_bap, int, 0);
262 MODULE_PARM_DESC(aux_bap,
263 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
264 "Before switching it checks that the switch is needed.");
265 module_param(maxencrypt, int, 0);
266 MODULE_PARM_DESC(maxencrypt,
267 "The maximum speed that the card can do encryption. "
268 "Units are in 512kbs. "
269 "Zero (default) means there is no limit. "
270 "Older cards used to be limited to 2mbs (4).");
271 module_param(adhoc, int, 0);
272 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
273 module_param(probe, int, 0);
274 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
275
276 module_param(proc_uid, int, 0);
277 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
278 module_param(proc_gid, int, 0);
279 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
280 module_param(airo_perm, int, 0);
281 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
282 module_param(proc_perm, int, 0);
283 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
284
285 /* This is a kind of sloppy hack to get this information to OUT4500 and
286 IN4500. I would be extremely interested in the situation where this
287 doesn't work though!!! */
288 static int do8bitIO /* = 0 */;
289
290 /* Return codes */
291 #define SUCCESS 0
292 #define ERROR -1
293 #define NO_PACKET -2
294
295 /* Commands */
296 #define NOP2 0x0000
297 #define MAC_ENABLE 0x0001
298 #define MAC_DISABLE 0x0002
299 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
300 #define CMD_SOFTRESET 0x0004
301 #define HOSTSLEEP 0x0005
302 #define CMD_MAGIC_PKT 0x0006
303 #define CMD_SETWAKEMASK 0x0007
304 #define CMD_READCFG 0x0008
305 #define CMD_SETMODE 0x0009
306 #define CMD_ALLOCATETX 0x000a
307 #define CMD_TRANSMIT 0x000b
308 #define CMD_DEALLOCATETX 0x000c
309 #define NOP 0x0010
310 #define CMD_WORKAROUND 0x0011
311 #define CMD_ALLOCATEAUX 0x0020
312 #define CMD_ACCESS 0x0021
313 #define CMD_PCIBAP 0x0022
314 #define CMD_PCIAUX 0x0023
315 #define CMD_ALLOCBUF 0x0028
316 #define CMD_GETTLV 0x0029
317 #define CMD_PUTTLV 0x002a
318 #define CMD_DELTLV 0x002b
319 #define CMD_FINDNEXTTLV 0x002c
320 #define CMD_PSPNODES 0x0030
321 #define CMD_SETCW 0x0031
322 #define CMD_SETPCF 0x0032
323 #define CMD_SETPHYREG 0x003e
324 #define CMD_TXTEST 0x003f
325 #define MAC_ENABLETX 0x0101
326 #define CMD_LISTBSS 0x0103
327 #define CMD_SAVECFG 0x0108
328 #define CMD_ENABLEAUX 0x0111
329 #define CMD_WRITERID 0x0121
330 #define CMD_USEPSPNODES 0x0130
331 #define MAC_ENABLERX 0x0201
332
333 /* Command errors */
334 #define ERROR_QUALIF 0x00
335 #define ERROR_ILLCMD 0x01
336 #define ERROR_ILLFMT 0x02
337 #define ERROR_INVFID 0x03
338 #define ERROR_INVRID 0x04
339 #define ERROR_LARGE 0x05
340 #define ERROR_NDISABL 0x06
341 #define ERROR_ALLOCBSY 0x07
342 #define ERROR_NORD 0x0B
343 #define ERROR_NOWR 0x0C
344 #define ERROR_INVFIDTX 0x0D
345 #define ERROR_TESTACT 0x0E
346 #define ERROR_TAGNFND 0x12
347 #define ERROR_DECODE 0x20
348 #define ERROR_DESCUNAV 0x21
349 #define ERROR_BADLEN 0x22
350 #define ERROR_MODE 0x80
351 #define ERROR_HOP 0x81
352 #define ERROR_BINTER 0x82
353 #define ERROR_RXMODE 0x83
354 #define ERROR_MACADDR 0x84
355 #define ERROR_RATES 0x85
356 #define ERROR_ORDER 0x86
357 #define ERROR_SCAN 0x87
358 #define ERROR_AUTH 0x88
359 #define ERROR_PSMODE 0x89
360 #define ERROR_RTYPE 0x8A
361 #define ERROR_DIVER 0x8B
362 #define ERROR_SSID 0x8C
363 #define ERROR_APLIST 0x8D
364 #define ERROR_AUTOWAKE 0x8E
365 #define ERROR_LEAP 0x8F
366
367 /* Registers */
368 #define COMMAND 0x00
369 #define PARAM0 0x02
370 #define PARAM1 0x04
371 #define PARAM2 0x06
372 #define STATUS 0x08
373 #define RESP0 0x0a
374 #define RESP1 0x0c
375 #define RESP2 0x0e
376 #define LINKSTAT 0x10
377 #define SELECT0 0x18
378 #define OFFSET0 0x1c
379 #define RXFID 0x20
380 #define TXALLOCFID 0x22
381 #define TXCOMPLFID 0x24
382 #define DATA0 0x36
383 #define EVSTAT 0x30
384 #define EVINTEN 0x32
385 #define EVACK 0x34
386 #define SWS0 0x28
387 #define SWS1 0x2a
388 #define SWS2 0x2c
389 #define SWS3 0x2e
390 #define AUXPAGE 0x3A
391 #define AUXOFF 0x3C
392 #define AUXDATA 0x3E
393
394 #define FID_TX 1
395 #define FID_RX 2
396 /* Offset into aux memory for descriptors */
397 #define AUX_OFFSET 0x800
398 /* Size of allocated packets */
399 #define PKTSIZE 1840
400 #define RIDSIZE 2048
401 /* Size of the transmit queue */
402 #define MAXTXQ 64
403
404 /* BAP selectors */
405 #define BAP0 0 /* Used for receiving packets */
406 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
407
408 /* Flags */
409 #define COMMAND_BUSY 0x8000
410
411 #define BAP_BUSY 0x8000
412 #define BAP_ERR 0x4000
413 #define BAP_DONE 0x2000
414
415 #define PROMISC 0xffff
416 #define NOPROMISC 0x0000
417
418 #define EV_CMD 0x10
419 #define EV_CLEARCOMMANDBUSY 0x4000
420 #define EV_RX 0x01
421 #define EV_TX 0x02
422 #define EV_TXEXC 0x04
423 #define EV_ALLOC 0x08
424 #define EV_LINK 0x80
425 #define EV_AWAKE 0x100
426 #define EV_TXCPY 0x400
427 #define EV_UNKNOWN 0x800
428 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
429 #define EV_AWAKEN 0x2000
430 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
431
432 #ifdef CHECK_UNKNOWN_INTS
433 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
434 #else
435 #define IGNORE_INTS (~STATUS_INTS)
436 #endif
437
438 /* RID TYPES */
439 #define RID_RW 0x20
440
441 /* The RIDs */
442 #define RID_CAPABILITIES 0xFF00
443 #define RID_APINFO 0xFF01
444 #define RID_RADIOINFO 0xFF02
445 #define RID_UNKNOWN3 0xFF03
446 #define RID_RSSI 0xFF04
447 #define RID_CONFIG 0xFF10
448 #define RID_SSID 0xFF11
449 #define RID_APLIST 0xFF12
450 #define RID_DRVNAME 0xFF13
451 #define RID_ETHERENCAP 0xFF14
452 #define RID_WEP_TEMP 0xFF15
453 #define RID_WEP_PERM 0xFF16
454 #define RID_MODULATION 0xFF17
455 #define RID_OPTIONS 0xFF18
456 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
457 #define RID_FACTORYCONFIG 0xFF21
458 #define RID_UNKNOWN22 0xFF22
459 #define RID_LEAPUSERNAME 0xFF23
460 #define RID_LEAPPASSWORD 0xFF24
461 #define RID_STATUS 0xFF50
462 #define RID_BEACON_HST 0xFF51
463 #define RID_BUSY_HST 0xFF52
464 #define RID_RETRIES_HST 0xFF53
465 #define RID_UNKNOWN54 0xFF54
466 #define RID_UNKNOWN55 0xFF55
467 #define RID_UNKNOWN56 0xFF56
468 #define RID_MIC 0xFF57
469 #define RID_STATS16 0xFF60
470 #define RID_STATS16DELTA 0xFF61
471 #define RID_STATS16DELTACLEAR 0xFF62
472 #define RID_STATS 0xFF68
473 #define RID_STATSDELTA 0xFF69
474 #define RID_STATSDELTACLEAR 0xFF6A
475 #define RID_ECHOTEST_RID 0xFF70
476 #define RID_ECHOTEST_RESULTS 0xFF71
477 #define RID_BSSLISTFIRST 0xFF72
478 #define RID_BSSLISTNEXT 0xFF73
479 #define RID_WPA_BSSLISTFIRST 0xFF74
480 #define RID_WPA_BSSLISTNEXT 0xFF75
481
482 typedef struct {
483 u16 cmd;
484 u16 parm0;
485 u16 parm1;
486 u16 parm2;
487 } Cmd;
488
489 typedef struct {
490 u16 status;
491 u16 rsp0;
492 u16 rsp1;
493 u16 rsp2;
494 } Resp;
495
496 /*
497 * Rids and endian-ness: The Rids will always be in cpu endian, since
498 * this all the patches from the big-endian guys end up doing that.
499 * so all rid access should use the read/writeXXXRid routines.
500 */
501
502 /* This structure came from an email sent to me from an engineer at
503 aironet for inclusion into this driver */
504 typedef struct WepKeyRid WepKeyRid;
505 struct WepKeyRid {
506 __le16 len;
507 __le16 kindex;
508 u8 mac[ETH_ALEN];
509 __le16 klen;
510 u8 key[16];
511 } __packed;
512
513 /* These structures are from the Aironet's PC4500 Developers Manual */
514 typedef struct Ssid Ssid;
515 struct Ssid {
516 __le16 len;
517 u8 ssid[32];
518 } __packed;
519
520 typedef struct SsidRid SsidRid;
521 struct SsidRid {
522 __le16 len;
523 Ssid ssids[3];
524 } __packed;
525
526 typedef struct ModulationRid ModulationRid;
527 struct ModulationRid {
528 __le16 len;
529 __le16 modulation;
530 #define MOD_DEFAULT cpu_to_le16(0)
531 #define MOD_CCK cpu_to_le16(1)
532 #define MOD_MOK cpu_to_le16(2)
533 } __packed;
534
535 typedef struct ConfigRid ConfigRid;
536 struct ConfigRid {
537 __le16 len; /* sizeof(ConfigRid) */
538 __le16 opmode; /* operating mode */
539 #define MODE_STA_IBSS cpu_to_le16(0)
540 #define MODE_STA_ESS cpu_to_le16(1)
541 #define MODE_AP cpu_to_le16(2)
542 #define MODE_AP_RPTR cpu_to_le16(3)
543 #define MODE_CFG_MASK cpu_to_le16(0xff)
544 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
545 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
546 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
547 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
548 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
549 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
550 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
551 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
552 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
553 __le16 rmode; /* receive mode */
554 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
555 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
556 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
557 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
558 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
559 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
560 #define RXMODE_MASK cpu_to_le16(255)
561 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
562 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
563 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
564 __le16 fragThresh;
565 __le16 rtsThres;
566 u8 macAddr[ETH_ALEN];
567 u8 rates[8];
568 __le16 shortRetryLimit;
569 __le16 longRetryLimit;
570 __le16 txLifetime; /* in kusec */
571 __le16 rxLifetime; /* in kusec */
572 __le16 stationary;
573 __le16 ordering;
574 __le16 u16deviceType; /* for overriding device type */
575 __le16 cfpRate;
576 __le16 cfpDuration;
577 __le16 _reserved1[3];
578 /*---------- Scanning/Associating ----------*/
579 __le16 scanMode;
580 #define SCANMODE_ACTIVE cpu_to_le16(0)
581 #define SCANMODE_PASSIVE cpu_to_le16(1)
582 #define SCANMODE_AIROSCAN cpu_to_le16(2)
583 __le16 probeDelay; /* in kusec */
584 __le16 probeEnergyTimeout; /* in kusec */
585 __le16 probeResponseTimeout;
586 __le16 beaconListenTimeout;
587 __le16 joinNetTimeout;
588 __le16 authTimeout;
589 __le16 authType;
590 #define AUTH_OPEN cpu_to_le16(0x1)
591 #define AUTH_ENCRYPT cpu_to_le16(0x101)
592 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
593 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
594 __le16 associationTimeout;
595 __le16 specifiedApTimeout;
596 __le16 offlineScanInterval;
597 __le16 offlineScanDuration;
598 __le16 linkLossDelay;
599 __le16 maxBeaconLostTime;
600 __le16 refreshInterval;
601 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
602 __le16 _reserved1a[1];
603 /*---------- Power save operation ----------*/
604 __le16 powerSaveMode;
605 #define POWERSAVE_CAM cpu_to_le16(0)
606 #define POWERSAVE_PSP cpu_to_le16(1)
607 #define POWERSAVE_PSPCAM cpu_to_le16(2)
608 __le16 sleepForDtims;
609 __le16 listenInterval;
610 __le16 fastListenInterval;
611 __le16 listenDecay;
612 __le16 fastListenDelay;
613 __le16 _reserved2[2];
614 /*---------- Ap/Ibss config items ----------*/
615 __le16 beaconPeriod;
616 __le16 atimDuration;
617 __le16 hopPeriod;
618 __le16 channelSet;
619 __le16 channel;
620 __le16 dtimPeriod;
621 __le16 bridgeDistance;
622 __le16 radioID;
623 /*---------- Radio configuration ----------*/
624 __le16 radioType;
625 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
626 #define RADIOTYPE_802_11 cpu_to_le16(1)
627 #define RADIOTYPE_LEGACY cpu_to_le16(2)
628 u8 rxDiversity;
629 u8 txDiversity;
630 __le16 txPower;
631 #define TXPOWER_DEFAULT 0
632 __le16 rssiThreshold;
633 #define RSSI_DEFAULT 0
634 __le16 modulation;
635 #define PREAMBLE_AUTO cpu_to_le16(0)
636 #define PREAMBLE_LONG cpu_to_le16(1)
637 #define PREAMBLE_SHORT cpu_to_le16(2)
638 __le16 preamble;
639 __le16 homeProduct;
640 __le16 radioSpecific;
641 /*---------- Aironet Extensions ----------*/
642 u8 nodeName[16];
643 __le16 arlThreshold;
644 __le16 arlDecay;
645 __le16 arlDelay;
646 __le16 _reserved4[1];
647 /*---------- Aironet Extensions ----------*/
648 u8 magicAction;
649 #define MAGIC_ACTION_STSCHG 1
650 #define MAGIC_ACTION_RESUME 2
651 #define MAGIC_IGNORE_MCAST (1<<8)
652 #define MAGIC_IGNORE_BCAST (1<<9)
653 #define MAGIC_SWITCH_TO_PSP (0<<10)
654 #define MAGIC_STAY_IN_CAM (1<<10)
655 u8 magicControl;
656 __le16 autoWake;
657 } __packed;
658
659 typedef struct StatusRid StatusRid;
660 struct StatusRid {
661 __le16 len;
662 u8 mac[ETH_ALEN];
663 __le16 mode;
664 __le16 errorCode;
665 __le16 sigQuality;
666 __le16 SSIDlen;
667 char SSID[32];
668 char apName[16];
669 u8 bssid[4][ETH_ALEN];
670 __le16 beaconPeriod;
671 __le16 dimPeriod;
672 __le16 atimDuration;
673 __le16 hopPeriod;
674 __le16 channelSet;
675 __le16 channel;
676 __le16 hopsToBackbone;
677 __le16 apTotalLoad;
678 __le16 generatedLoad;
679 __le16 accumulatedArl;
680 __le16 signalQuality;
681 __le16 currentXmitRate;
682 __le16 apDevExtensions;
683 __le16 normalizedSignalStrength;
684 __le16 shortPreamble;
685 u8 apIP[4];
686 u8 noisePercent; /* Noise percent in last second */
687 u8 noisedBm; /* Noise dBm in last second */
688 u8 noiseAvePercent; /* Noise percent in last minute */
689 u8 noiseAvedBm; /* Noise dBm in last minute */
690 u8 noiseMaxPercent; /* Highest noise percent in last minute */
691 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
692 __le16 load;
693 u8 carrier[4];
694 __le16 assocStatus;
695 #define STAT_NOPACKETS 0
696 #define STAT_NOCARRIERSET 10
697 #define STAT_GOTCARRIERSET 11
698 #define STAT_WRONGSSID 20
699 #define STAT_BADCHANNEL 25
700 #define STAT_BADBITRATES 30
701 #define STAT_BADPRIVACY 35
702 #define STAT_APFOUND 40
703 #define STAT_APREJECTED 50
704 #define STAT_AUTHENTICATING 60
705 #define STAT_DEAUTHENTICATED 61
706 #define STAT_AUTHTIMEOUT 62
707 #define STAT_ASSOCIATING 70
708 #define STAT_DEASSOCIATED 71
709 #define STAT_ASSOCTIMEOUT 72
710 #define STAT_NOTAIROAP 73
711 #define STAT_ASSOCIATED 80
712 #define STAT_LEAPING 90
713 #define STAT_LEAPFAILED 91
714 #define STAT_LEAPTIMEDOUT 92
715 #define STAT_LEAPCOMPLETE 93
716 } __packed;
717
718 typedef struct StatsRid StatsRid;
719 struct StatsRid {
720 __le16 len;
721 __le16 spacer;
722 __le32 vals[100];
723 } __packed;
724
725 typedef struct APListRid APListRid;
726 struct APListRid {
727 __le16 len;
728 u8 ap[4][ETH_ALEN];
729 } __packed;
730
731 typedef struct CapabilityRid CapabilityRid;
732 struct CapabilityRid {
733 __le16 len;
734 char oui[3];
735 char zero;
736 __le16 prodNum;
737 char manName[32];
738 char prodName[16];
739 char prodVer[8];
740 char factoryAddr[ETH_ALEN];
741 char aironetAddr[ETH_ALEN];
742 __le16 radioType;
743 __le16 country;
744 char callid[ETH_ALEN];
745 char supportedRates[8];
746 char rxDiversity;
747 char txDiversity;
748 __le16 txPowerLevels[8];
749 __le16 hardVer;
750 __le16 hardCap;
751 __le16 tempRange;
752 __le16 softVer;
753 __le16 softSubVer;
754 __le16 interfaceVer;
755 __le16 softCap;
756 __le16 bootBlockVer;
757 __le16 requiredHard;
758 __le16 extSoftCap;
759 } __packed;
760
761 /* Only present on firmware >= 5.30.17 */
762 typedef struct BSSListRidExtra BSSListRidExtra;
763 struct BSSListRidExtra {
764 __le16 unknown[4];
765 u8 fixed[12]; /* WLAN management frame */
766 u8 iep[624];
767 } __packed;
768
769 typedef struct BSSListRid BSSListRid;
770 struct BSSListRid {
771 __le16 len;
772 __le16 index; /* First is 0 and 0xffff means end of list */
773 #define RADIO_FH 1 /* Frequency hopping radio type */
774 #define RADIO_DS 2 /* Direct sequence radio type */
775 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
776 __le16 radioType;
777 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
778 u8 zero;
779 u8 ssidLen;
780 u8 ssid[32];
781 __le16 dBm;
782 #define CAP_ESS cpu_to_le16(1<<0)
783 #define CAP_IBSS cpu_to_le16(1<<1)
784 #define CAP_PRIVACY cpu_to_le16(1<<4)
785 #define CAP_SHORTHDR cpu_to_le16(1<<5)
786 __le16 cap;
787 __le16 beaconInterval;
788 u8 rates[8]; /* Same as rates for config rid */
789 struct { /* For frequency hopping only */
790 __le16 dwell;
791 u8 hopSet;
792 u8 hopPattern;
793 u8 hopIndex;
794 u8 fill;
795 } fh;
796 __le16 dsChannel;
797 __le16 atimWindow;
798
799 /* Only present on firmware >= 5.30.17 */
800 BSSListRidExtra extra;
801 } __packed;
802
803 typedef struct {
804 BSSListRid bss;
805 struct list_head list;
806 } BSSListElement;
807
808 typedef struct tdsRssiEntry tdsRssiEntry;
809 struct tdsRssiEntry {
810 u8 rssipct;
811 u8 rssidBm;
812 } __packed;
813
814 typedef struct tdsRssiRid tdsRssiRid;
815 struct tdsRssiRid {
816 u16 len;
817 tdsRssiEntry x[256];
818 } __packed;
819
820 typedef struct MICRid MICRid;
821 struct MICRid {
822 __le16 len;
823 __le16 state;
824 __le16 multicastValid;
825 u8 multicast[16];
826 __le16 unicastValid;
827 u8 unicast[16];
828 } __packed;
829
830 typedef struct MICBuffer MICBuffer;
831 struct MICBuffer {
832 __be16 typelen;
833
834 union {
835 u8 snap[8];
836 struct {
837 u8 dsap;
838 u8 ssap;
839 u8 control;
840 u8 orgcode[3];
841 u8 fieldtype[2];
842 } llc;
843 } u;
844 __be32 mic;
845 __be32 seq;
846 } __packed;
847
848 typedef struct {
849 u8 da[ETH_ALEN];
850 u8 sa[ETH_ALEN];
851 } etherHead;
852
853 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
854 #define TXCTL_TXEX (1<<2) /* report if tx fails */
855 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
856 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
857 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
858 #define TXCTL_LLC (1<<4) /* payload is llc */
859 #define TXCTL_RELEASE (0<<5) /* release after completion */
860 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
861
862 #define BUSY_FID 0x10000
863
864 #ifdef CISCO_EXT
865 #define AIROMAGIC 0xa55a
866 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
867 #ifdef SIOCIWFIRSTPRIV
868 #ifdef SIOCDEVPRIVATE
869 #define AIROOLDIOCTL SIOCDEVPRIVATE
870 #define AIROOLDIDIFC AIROOLDIOCTL + 1
871 #endif /* SIOCDEVPRIVATE */
872 #else /* SIOCIWFIRSTPRIV */
873 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
874 #endif /* SIOCIWFIRSTPRIV */
875 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
876 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
877 * only and don't return the modified struct ifreq to the application which
878 * is usually a problem. - Jean II */
879 #define AIROIOCTL SIOCIWFIRSTPRIV
880 #define AIROIDIFC AIROIOCTL + 1
881
882 /* Ioctl constants to be used in airo_ioctl.command */
883
884 #define AIROGCAP 0 // Capability rid
885 #define AIROGCFG 1 // USED A LOT
886 #define AIROGSLIST 2 // System ID list
887 #define AIROGVLIST 3 // List of specified AP's
888 #define AIROGDRVNAM 4 // NOTUSED
889 #define AIROGEHTENC 5 // NOTUSED
890 #define AIROGWEPKTMP 6
891 #define AIROGWEPKNV 7
892 #define AIROGSTAT 8
893 #define AIROGSTATSC32 9
894 #define AIROGSTATSD32 10
895 #define AIROGMICRID 11
896 #define AIROGMICSTATS 12
897 #define AIROGFLAGS 13
898 #define AIROGID 14
899 #define AIRORRID 15
900 #define AIRORSWVERSION 17
901
902 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
903
904 #define AIROPCAP AIROGSTATSD32 + 40
905 #define AIROPVLIST AIROPCAP + 1
906 #define AIROPSLIST AIROPVLIST + 1
907 #define AIROPCFG AIROPSLIST + 1
908 #define AIROPSIDS AIROPCFG + 1
909 #define AIROPAPLIST AIROPSIDS + 1
910 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
911 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
912 #define AIROPSTCLR AIROPMACOFF + 1
913 #define AIROPWEPKEY AIROPSTCLR + 1
914 #define AIROPWEPKEYNV AIROPWEPKEY + 1
915 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
916 #define AIROPLEAPUSR AIROPLEAPPWD + 1
917
918 /* Flash codes */
919
920 #define AIROFLSHRST AIROPWEPKEYNV + 40
921 #define AIROFLSHGCHR AIROFLSHRST + 1
922 #define AIROFLSHSTFL AIROFLSHGCHR + 1
923 #define AIROFLSHPCHR AIROFLSHSTFL + 1
924 #define AIROFLPUTBUF AIROFLSHPCHR + 1
925 #define AIRORESTART AIROFLPUTBUF + 1
926
927 #define FLASHSIZE 32768
928 #define AUXMEMSIZE (256 * 1024)
929
930 typedef struct aironet_ioctl {
931 unsigned short command; // What to do
932 unsigned short len; // Len of data
933 unsigned short ridnum; // rid number
934 unsigned char __user *data; // d-data
935 } aironet_ioctl;
936
937 static const char swversion[] = "2.1";
938 #endif /* CISCO_EXT */
939
940 #define NUM_MODULES 2
941 #define MIC_MSGLEN_MAX 2400
942 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
943 #define AIRO_DEF_MTU 2312
944
945 typedef struct {
946 u32 size; // size
947 u8 enabled; // MIC enabled or not
948 u32 rxSuccess; // successful packets received
949 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
950 u32 rxNotMICed; // pkts dropped due to not being MIC'd
951 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
952 u32 rxWrongSequence; // pkts dropped due to sequence number violation
953 u32 reserve[32];
954 } mic_statistics;
955
956 typedef struct {
957 __be32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
958 u64 accum; // accumulated mic, reduced to u32 in final()
959 int position; // current position (byte offset) in message
960 union {
961 u8 d8[4];
962 __be32 d32;
963 } part; // saves partial message word across update() calls
964 } emmh32_context;
965
966 typedef struct {
967 emmh32_context seed; // Context - the seed
968 u32 rx; // Received sequence number
969 u32 tx; // Tx sequence number
970 u32 window; // Start of window
971 u8 valid; // Flag to say if context is valid or not
972 u8 key[16];
973 } miccntx;
974
975 typedef struct {
976 miccntx mCtx; // Multicast context
977 miccntx uCtx; // Unicast context
978 } mic_module;
979
980 typedef struct {
981 unsigned int rid: 16;
982 unsigned int len: 15;
983 unsigned int valid: 1;
984 dma_addr_t host_addr;
985 } Rid;
986
987 typedef struct {
988 unsigned int offset: 15;
989 unsigned int eoc: 1;
990 unsigned int len: 15;
991 unsigned int valid: 1;
992 dma_addr_t host_addr;
993 } TxFid;
994
995 struct rx_hdr {
996 __le16 status, len;
997 u8 rssi[2];
998 u8 rate;
999 u8 freq;
1000 __le16 tmp[4];
1001 } __packed;
1002
1003 typedef struct {
1004 unsigned int ctl: 15;
1005 unsigned int rdy: 1;
1006 unsigned int len: 15;
1007 unsigned int valid: 1;
1008 dma_addr_t host_addr;
1009 } RxFid;
1010
1011 /*
1012 * Host receive descriptor
1013 */
1014 typedef struct {
1015 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1016 desc */
1017 RxFid rx_desc; /* card receive descriptor */
1018 char *virtual_host_addr; /* virtual address of host receive
1019 buffer */
1020 int pending;
1021 } HostRxDesc;
1022
1023 /*
1024 * Host transmit descriptor
1025 */
1026 typedef struct {
1027 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1028 desc */
1029 TxFid tx_desc; /* card transmit descriptor */
1030 char *virtual_host_addr; /* virtual address of host receive
1031 buffer */
1032 int pending;
1033 } HostTxDesc;
1034
1035 /*
1036 * Host RID descriptor
1037 */
1038 typedef struct {
1039 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1040 descriptor */
1041 Rid rid_desc; /* card RID descriptor */
1042 char *virtual_host_addr; /* virtual address of host receive
1043 buffer */
1044 } HostRidDesc;
1045
1046 typedef struct {
1047 u16 sw0;
1048 u16 sw1;
1049 u16 status;
1050 u16 len;
1051 #define HOST_SET (1 << 0)
1052 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1053 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1054 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1055 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1056 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1057 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1058 #define HOST_RTS (1 << 9) /* Force RTS use */
1059 #define HOST_SHORT (1 << 10) /* Do short preamble */
1060 u16 ctl;
1061 u16 aid;
1062 u16 retries;
1063 u16 fill;
1064 } TxCtlHdr;
1065
1066 typedef struct {
1067 u16 ctl;
1068 u16 duration;
1069 char addr1[6];
1070 char addr2[6];
1071 char addr3[6];
1072 u16 seq;
1073 char addr4[6];
1074 } WifiHdr;
1075
1076
1077 typedef struct {
1078 TxCtlHdr ctlhdr;
1079 u16 fill1;
1080 u16 fill2;
1081 WifiHdr wifihdr;
1082 u16 gaplen;
1083 u16 status;
1084 } WifiCtlHdr;
1085
1086 static WifiCtlHdr wifictlhdr8023 = {
1087 .ctlhdr = {
1088 .ctl = HOST_DONT_RLSE,
1089 }
1090 };
1091
1092 // A few details needed for WEP (Wireless Equivalent Privacy)
1093 #define MAX_KEY_SIZE 13 // 128 (?) bits
1094 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1095 typedef struct wep_key_t {
1096 u16 len;
1097 u8 key[16]; /* 40-bit and 104-bit keys */
1098 } wep_key_t;
1099
1100 /* List of Wireless Handlers (new API) */
1101 static const struct iw_handler_def airo_handler_def;
1102
1103 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1104
1105 struct airo_info;
1106
1107 static int get_dec_u16( char *buffer, int *start, int limit );
1108 static void OUT4500( struct airo_info *, u16 reg, u16 value );
1109 static unsigned short IN4500( struct airo_info *, u16 reg );
1110 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1111 static int enable_MAC(struct airo_info *ai, int lock);
1112 static void disable_MAC(struct airo_info *ai, int lock);
1113 static void enable_interrupts(struct airo_info*);
1114 static void disable_interrupts(struct airo_info*);
1115 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1116 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1117 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 int whichbap);
1119 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1120 int whichbap);
1121 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1122 int whichbap);
1123 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1124 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1125 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1126 *pBuf, int len, int lock);
1127 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1128 int len, int dummy );
1129 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1130 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1131 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1132
1133 static int mpi_send_packet (struct net_device *dev);
1134 static void mpi_unmap_card(struct pci_dev *pci);
1135 static void mpi_receive_802_3(struct airo_info *ai);
1136 static void mpi_receive_802_11(struct airo_info *ai);
1137 static int waitbusy (struct airo_info *ai);
1138
1139 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1140 static int airo_thread(void *data);
1141 static void timer_func( struct net_device *dev );
1142 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1143 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1144 static void airo_read_wireless_stats (struct airo_info *local);
1145 #ifdef CISCO_EXT
1146 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1147 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1148 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1149 #endif /* CISCO_EXT */
1150 static void micinit(struct airo_info *ai);
1151 static int micsetup(struct airo_info *ai);
1152 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1153 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1154
1155 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1156 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1157
1158 static void airo_networks_free(struct airo_info *ai);
1159
1160 struct airo_info {
1161 struct net_device *dev;
1162 struct list_head dev_list;
1163 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1164 use the high bit to mark whether it is in use. */
1165 #define MAX_FIDS 6
1166 #define MPI_MAX_FIDS 1
1167 u32 fids[MAX_FIDS];
1168 ConfigRid config;
1169 char keyindex; // Used with auto wep
1170 char defindex; // Used with auto wep
1171 struct proc_dir_entry *proc_entry;
1172 spinlock_t aux_lock;
1173 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1174 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1175 #define FLAG_RADIO_MASK 0x03
1176 #define FLAG_ENABLED 2
1177 #define FLAG_ADHOC 3 /* Needed by MIC */
1178 #define FLAG_MIC_CAPABLE 4
1179 #define FLAG_UPDATE_MULTI 5
1180 #define FLAG_UPDATE_UNI 6
1181 #define FLAG_802_11 7
1182 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1183 #define FLAG_PENDING_XMIT 9
1184 #define FLAG_PENDING_XMIT11 10
1185 #define FLAG_MPI 11
1186 #define FLAG_REGISTERED 12
1187 #define FLAG_COMMIT 13
1188 #define FLAG_RESET 14
1189 #define FLAG_FLASHING 15
1190 #define FLAG_WPA_CAPABLE 16
1191 unsigned long flags;
1192 #define JOB_DIE 0
1193 #define JOB_XMIT 1
1194 #define JOB_XMIT11 2
1195 #define JOB_STATS 3
1196 #define JOB_PROMISC 4
1197 #define JOB_MIC 5
1198 #define JOB_EVENT 6
1199 #define JOB_AUTOWEP 7
1200 #define JOB_WSTATS 8
1201 #define JOB_SCAN_RESULTS 9
1202 unsigned long jobs;
1203 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1204 int whichbap);
1205 unsigned short *flash;
1206 tdsRssiEntry *rssi;
1207 struct task_struct *list_bss_task;
1208 struct task_struct *airo_thread_task;
1209 struct semaphore sem;
1210 wait_queue_head_t thr_wait;
1211 unsigned long expires;
1212 struct {
1213 struct sk_buff *skb;
1214 int fid;
1215 } xmit, xmit11;
1216 struct net_device *wifidev;
1217 struct iw_statistics wstats; // wireless stats
1218 unsigned long scan_timeout; /* Time scan should be read */
1219 struct iw_spy_data spy_data;
1220 struct iw_public_data wireless_data;
1221 /* MIC stuff */
1222 struct crypto_sync_skcipher *tfm;
1223 mic_module mod[2];
1224 mic_statistics micstats;
1225 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1226 HostTxDesc txfids[MPI_MAX_FIDS];
1227 HostRidDesc config_desc;
1228 unsigned long ridbus; // phys addr of config_desc
1229 struct sk_buff_head txq;// tx queue used by mpi350 code
1230 struct pci_dev *pci;
1231 unsigned char __iomem *pcimem;
1232 unsigned char __iomem *pciaux;
1233 unsigned char *shared;
1234 dma_addr_t shared_dma;
1235 pm_message_t power;
1236 SsidRid *SSID;
1237 APListRid APList;
1238 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1239 char proc_name[IFNAMSIZ];
1240
1241 int wep_capable;
1242 int max_wep_idx;
1243 int last_auth;
1244
1245 /* WPA-related stuff */
1246 unsigned int bssListFirst;
1247 unsigned int bssListNext;
1248 unsigned int bssListRidLen;
1249
1250 struct list_head network_list;
1251 struct list_head network_free_list;
1252 BSSListElement *networks;
1253 };
1254
1255 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1256 int whichbap)
1257 {
1258 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1259 }
1260
1261 static int setup_proc_entry( struct net_device *dev,
1262 struct airo_info *apriv );
1263 static int takedown_proc_entry( struct net_device *dev,
1264 struct airo_info *apriv );
1265
1266 static int cmdreset(struct airo_info *ai);
1267 static int setflashmode (struct airo_info *ai);
1268 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1269 static int flashputbuf(struct airo_info *ai);
1270 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1271
1272 #define airo_print(type, name, fmt, args...) \
1273 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1274
1275 #define airo_print_info(name, fmt, args...) \
1276 airo_print(KERN_INFO, name, fmt, ##args)
1277
1278 #define airo_print_dbg(name, fmt, args...) \
1279 airo_print(KERN_DEBUG, name, fmt, ##args)
1280
1281 #define airo_print_warn(name, fmt, args...) \
1282 airo_print(KERN_WARNING, name, fmt, ##args)
1283
1284 #define airo_print_err(name, fmt, args...) \
1285 airo_print(KERN_ERR, name, fmt, ##args)
1286
1287 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1288
1289 /***********************************************************************
1290 * MIC ROUTINES *
1291 ***********************************************************************
1292 */
1293
1294 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1295 static void MoveWindow(miccntx *context, u32 micSeq);
1296 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1297 struct crypto_sync_skcipher *tfm);
1298 static void emmh32_init(emmh32_context *context);
1299 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1300 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1301 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1302
1303 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1304 struct crypto_sync_skcipher *tfm)
1305 {
1306 /* If the current MIC context is valid and its key is the same as
1307 * the MIC register, there's nothing to do.
1308 */
1309 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1310 return;
1311
1312 /* Age current mic Context */
1313 memcpy(old, cur, sizeof(*cur));
1314
1315 /* Initialize new context */
1316 memcpy(cur->key, key, key_len);
1317 cur->window = 33; /* Window always points to the middle */
1318 cur->rx = 0; /* Rx Sequence numbers */
1319 cur->tx = 0; /* Tx sequence numbers */
1320 cur->valid = 1; /* Key is now valid */
1321
1322 /* Give key to mic seed */
1323 emmh32_setseed(&cur->seed, key, key_len, tfm);
1324 }
1325
1326 /* micinit - Initialize mic seed */
1327
1328 static void micinit(struct airo_info *ai)
1329 {
1330 MICRid mic_rid;
1331
1332 clear_bit(JOB_MIC, &ai->jobs);
1333 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1334 up(&ai->sem);
1335
1336 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1337 if (!ai->micstats.enabled) {
1338 /* So next time we have a valid key and mic is enabled, we will
1339 * update the sequence number if the key is the same as before.
1340 */
1341 ai->mod[0].uCtx.valid = 0;
1342 ai->mod[0].mCtx.valid = 0;
1343 return;
1344 }
1345
1346 if (mic_rid.multicastValid) {
1347 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1348 mic_rid.multicast, sizeof(mic_rid.multicast),
1349 ai->tfm);
1350 }
1351
1352 if (mic_rid.unicastValid) {
1353 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1354 mic_rid.unicast, sizeof(mic_rid.unicast),
1355 ai->tfm);
1356 }
1357 }
1358
1359 /* micsetup - Get ready for business */
1360
1361 static int micsetup(struct airo_info *ai) {
1362 int i;
1363
1364 if (ai->tfm == NULL)
1365 ai->tfm = crypto_alloc_sync_skcipher("ctr(aes)", 0, 0);
1366
1367 if (IS_ERR(ai->tfm)) {
1368 airo_print_err(ai->dev->name, "failed to load transform for AES");
1369 ai->tfm = NULL;
1370 return ERROR;
1371 }
1372
1373 for (i=0; i < NUM_MODULES; i++) {
1374 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1375 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1376 }
1377 return SUCCESS;
1378 }
1379
1380 static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1381
1382 /*===========================================================================
1383 * Description: Mic a packet
1384 *
1385 * Inputs: etherHead * pointer to an 802.3 frame
1386 *
1387 * Returns: BOOLEAN if successful, otherwise false.
1388 * PacketTxLen will be updated with the mic'd packets size.
1389 *
1390 * Caveats: It is assumed that the frame buffer will already
1391 * be big enough to hold the largets mic message possible.
1392 * (No memory allocation is done here).
1393 *
1394 * Author: sbraneky (10/15/01)
1395 * Merciless hacks by rwilcher (1/14/02)
1396 */
1397
1398 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1399 {
1400 miccntx *context;
1401
1402 // Determine correct context
1403 // If not adhoc, always use unicast key
1404
1405 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1406 context = &ai->mod[0].mCtx;
1407 else
1408 context = &ai->mod[0].uCtx;
1409
1410 if (!context->valid)
1411 return ERROR;
1412
1413 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1414
1415 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1416
1417 // Add Tx sequence
1418 mic->seq = htonl(context->tx);
1419 context->tx += 2;
1420
1421 emmh32_init(&context->seed); // Mic the packet
1422 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1423 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1424 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1425 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1426 emmh32_final(&context->seed, (u8*)&mic->mic);
1427
1428 /* New Type/length ?????????? */
1429 mic->typelen = 0; //Let NIC know it could be an oversized packet
1430 return SUCCESS;
1431 }
1432
1433 typedef enum {
1434 NONE,
1435 NOMIC,
1436 NOMICPLUMMED,
1437 SEQUENCE,
1438 INCORRECTMIC,
1439 } mic_error;
1440
1441 /*===========================================================================
1442 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1443 * (removes the MIC stuff) if packet is a valid packet.
1444 *
1445 * Inputs: etherHead pointer to the 802.3 packet
1446 *
1447 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1448 *
1449 * Author: sbraneky (10/15/01)
1450 * Merciless hacks by rwilcher (1/14/02)
1451 *---------------------------------------------------------------------------
1452 */
1453
1454 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1455 {
1456 int i;
1457 u32 micSEQ;
1458 miccntx *context;
1459 u8 digest[4];
1460 mic_error micError = NONE;
1461
1462 // Check if the packet is a Mic'd packet
1463
1464 if (!ai->micstats.enabled) {
1465 //No Mic set or Mic OFF but we received a MIC'd packet.
1466 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1467 ai->micstats.rxMICPlummed++;
1468 return ERROR;
1469 }
1470 return SUCCESS;
1471 }
1472
1473 if (ntohs(mic->typelen) == 0x888E)
1474 return SUCCESS;
1475
1476 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1477 // Mic enabled but packet isn't Mic'd
1478 ai->micstats.rxMICPlummed++;
1479 return ERROR;
1480 }
1481
1482 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1483
1484 //At this point we a have a mic'd packet and mic is enabled
1485 //Now do the mic error checking.
1486
1487 //Receive seq must be odd
1488 if ( (micSEQ & 1) == 0 ) {
1489 ai->micstats.rxWrongSequence++;
1490 return ERROR;
1491 }
1492
1493 for (i = 0; i < NUM_MODULES; i++) {
1494 int mcast = eth->da[0] & 1;
1495 //Determine proper context
1496 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1497
1498 //Make sure context is valid
1499 if (!context->valid) {
1500 if (i == 0)
1501 micError = NOMICPLUMMED;
1502 continue;
1503 }
1504 //DeMic it
1505
1506 if (!mic->typelen)
1507 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1508
1509 emmh32_init(&context->seed);
1510 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1511 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1512 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1513 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1514 //Calculate MIC
1515 emmh32_final(&context->seed, digest);
1516
1517 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1518 //Invalid Mic
1519 if (i == 0)
1520 micError = INCORRECTMIC;
1521 continue;
1522 }
1523
1524 //Check Sequence number if mics pass
1525 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1526 ai->micstats.rxSuccess++;
1527 return SUCCESS;
1528 }
1529 if (i == 0)
1530 micError = SEQUENCE;
1531 }
1532
1533 // Update statistics
1534 switch (micError) {
1535 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1536 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1537 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1538 case NONE: break;
1539 case NOMIC: break;
1540 }
1541 return ERROR;
1542 }
1543
1544 /*===========================================================================
1545 * Description: Checks the Rx Seq number to make sure it is valid
1546 * and hasn't already been received
1547 *
1548 * Inputs: miccntx - mic context to check seq against
1549 * micSeq - the Mic seq number
1550 *
1551 * Returns: TRUE if valid otherwise FALSE.
1552 *
1553 * Author: sbraneky (10/15/01)
1554 * Merciless hacks by rwilcher (1/14/02)
1555 *---------------------------------------------------------------------------
1556 */
1557
1558 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1559 {
1560 u32 seq,index;
1561
1562 //Allow for the ap being rebooted - if it is then use the next
1563 //sequence number of the current sequence number - might go backwards
1564
1565 if (mcast) {
1566 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1567 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1568 context->window = (micSeq > 33) ? micSeq : 33;
1569 context->rx = 0; // Reset rx
1570 }
1571 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1572 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1573 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1574 context->rx = 0; // Reset rx
1575 }
1576
1577 //Make sequence number relative to START of window
1578 seq = micSeq - (context->window - 33);
1579
1580 //Too old of a SEQ number to check.
1581 if ((s32)seq < 0)
1582 return ERROR;
1583
1584 if ( seq > 64 ) {
1585 //Window is infinite forward
1586 MoveWindow(context,micSeq);
1587 return SUCCESS;
1588 }
1589
1590 // We are in the window. Now check the context rx bit to see if it was already sent
1591 seq >>= 1; //divide by 2 because we only have odd numbers
1592 index = 1 << seq; //Get an index number
1593
1594 if (!(context->rx & index)) {
1595 //micSEQ falls inside the window.
1596 //Add seqence number to the list of received numbers.
1597 context->rx |= index;
1598
1599 MoveWindow(context,micSeq);
1600
1601 return SUCCESS;
1602 }
1603 return ERROR;
1604 }
1605
1606 static void MoveWindow(miccntx *context, u32 micSeq)
1607 {
1608 u32 shift;
1609
1610 //Move window if seq greater than the middle of the window
1611 if (micSeq > context->window) {
1612 shift = (micSeq - context->window) >> 1;
1613
1614 //Shift out old
1615 if (shift < 32)
1616 context->rx >>= shift;
1617 else
1618 context->rx = 0;
1619
1620 context->window = micSeq; //Move window
1621 }
1622 }
1623
1624 /*==============================================*/
1625 /*========== EMMH ROUTINES ====================*/
1626 /*==============================================*/
1627
1628 /* mic accumulate */
1629 #define MIC_ACCUM(val) \
1630 context->accum += (u64)(val) * be32_to_cpu(context->coeff[coeff_position++]);
1631
1632 /* expand the key to fill the MMH coefficient array */
1633 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1634 struct crypto_sync_skcipher *tfm)
1635 {
1636 /* take the keying material, expand if necessary, truncate at 16-bytes */
1637 /* run through AES counter mode to generate context->coeff[] */
1638
1639 SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm);
1640 struct scatterlist sg;
1641 u8 iv[AES_BLOCK_SIZE] = {};
1642 int ret;
1643
1644 crypto_sync_skcipher_setkey(tfm, pkey, 16);
1645
1646 memset(context->coeff, 0, sizeof(context->coeff));
1647 sg_init_one(&sg, context->coeff, sizeof(context->coeff));
1648
1649 skcipher_request_set_sync_tfm(req, tfm);
1650 skcipher_request_set_callback(req, 0, NULL, NULL);
1651 skcipher_request_set_crypt(req, &sg, &sg, sizeof(context->coeff), iv);
1652
1653 ret = crypto_skcipher_encrypt(req);
1654 WARN_ON_ONCE(ret);
1655 }
1656
1657 /* prepare for calculation of a new mic */
1658 static void emmh32_init(emmh32_context *context)
1659 {
1660 /* prepare for new mic calculation */
1661 context->accum = 0;
1662 context->position = 0;
1663 }
1664
1665 /* add some bytes to the mic calculation */
1666 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1667 {
1668 int coeff_position, byte_position;
1669
1670 if (len == 0) return;
1671
1672 coeff_position = context->position >> 2;
1673
1674 /* deal with partial 32-bit word left over from last update */
1675 byte_position = context->position & 3;
1676 if (byte_position) {
1677 /* have a partial word in part to deal with */
1678 do {
1679 if (len == 0) return;
1680 context->part.d8[byte_position++] = *pOctets++;
1681 context->position++;
1682 len--;
1683 } while (byte_position < 4);
1684 MIC_ACCUM(ntohl(context->part.d32));
1685 }
1686
1687 /* deal with full 32-bit words */
1688 while (len >= 4) {
1689 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1690 context->position += 4;
1691 pOctets += 4;
1692 len -= 4;
1693 }
1694
1695 /* deal with partial 32-bit word that will be left over from this update */
1696 byte_position = 0;
1697 while (len > 0) {
1698 context->part.d8[byte_position++] = *pOctets++;
1699 context->position++;
1700 len--;
1701 }
1702 }
1703
1704 /* mask used to zero empty bytes for final partial word */
1705 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1706
1707 /* calculate the mic */
1708 static void emmh32_final(emmh32_context *context, u8 digest[4])
1709 {
1710 int coeff_position, byte_position;
1711 u32 val;
1712
1713 u64 sum, utmp;
1714 s64 stmp;
1715
1716 coeff_position = context->position >> 2;
1717
1718 /* deal with partial 32-bit word left over from last update */
1719 byte_position = context->position & 3;
1720 if (byte_position) {
1721 /* have a partial word in part to deal with */
1722 val = ntohl(context->part.d32);
1723 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1724 }
1725
1726 /* reduce the accumulated u64 to a 32-bit MIC */
1727 sum = context->accum;
1728 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1729 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1730 sum = utmp & 0xffffffffLL;
1731 if (utmp > 0x10000000fLL)
1732 sum -= 15;
1733
1734 val = (u32)sum;
1735 digest[0] = (val>>24) & 0xFF;
1736 digest[1] = (val>>16) & 0xFF;
1737 digest[2] = (val>>8) & 0xFF;
1738 digest[3] = val & 0xFF;
1739 }
1740
1741 static int readBSSListRid(struct airo_info *ai, int first,
1742 BSSListRid *list)
1743 {
1744 Cmd cmd;
1745 Resp rsp;
1746
1747 if (first == 1) {
1748 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1749 memset(&cmd, 0, sizeof(cmd));
1750 cmd.cmd=CMD_LISTBSS;
1751 if (down_interruptible(&ai->sem))
1752 return -ERESTARTSYS;
1753 ai->list_bss_task = current;
1754 issuecommand(ai, &cmd, &rsp);
1755 up(&ai->sem);
1756 /* Let the command take effect */
1757 schedule_timeout_uninterruptible(3 * HZ);
1758 ai->list_bss_task = NULL;
1759 }
1760 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1761 list, ai->bssListRidLen, 1);
1762 }
1763
1764 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1765 {
1766 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1767 wkr, sizeof(*wkr), lock);
1768 }
1769
1770 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1771 {
1772 int rc;
1773 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1774 if (rc!=SUCCESS)
1775 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1776 if (perm) {
1777 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1778 if (rc!=SUCCESS)
1779 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1780 }
1781 return rc;
1782 }
1783
1784 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1785 {
1786 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1787 }
1788
1789 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1790 {
1791 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1792 }
1793
1794 static int readConfigRid(struct airo_info *ai, int lock)
1795 {
1796 int rc;
1797 ConfigRid cfg;
1798
1799 if (ai->config.len)
1800 return SUCCESS;
1801
1802 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1803 if (rc != SUCCESS)
1804 return rc;
1805
1806 ai->config = cfg;
1807 return SUCCESS;
1808 }
1809
1810 static inline void checkThrottle(struct airo_info *ai)
1811 {
1812 int i;
1813 /* Old hardware had a limit on encryption speed */
1814 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1815 for(i=0; i<8; i++) {
1816 if (ai->config.rates[i] > maxencrypt) {
1817 ai->config.rates[i] = 0;
1818 }
1819 }
1820 }
1821 }
1822
1823 static int writeConfigRid(struct airo_info *ai, int lock)
1824 {
1825 ConfigRid cfgr;
1826
1827 if (!test_bit (FLAG_COMMIT, &ai->flags))
1828 return SUCCESS;
1829
1830 clear_bit (FLAG_COMMIT, &ai->flags);
1831 clear_bit (FLAG_RESET, &ai->flags);
1832 checkThrottle(ai);
1833 cfgr = ai->config;
1834
1835 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1836 set_bit(FLAG_ADHOC, &ai->flags);
1837 else
1838 clear_bit(FLAG_ADHOC, &ai->flags);
1839
1840 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1841 }
1842
1843 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1844 {
1845 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1846 }
1847
1848 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1849 {
1850 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1851 }
1852
1853 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1854 {
1855 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1856 }
1857
1858 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1859 {
1860 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1861 }
1862
1863 static void try_auto_wep(struct airo_info *ai)
1864 {
1865 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1866 ai->expires = RUN_AT(3*HZ);
1867 wake_up_interruptible(&ai->thr_wait);
1868 }
1869 }
1870
1871 static int airo_open(struct net_device *dev) {
1872 struct airo_info *ai = dev->ml_priv;
1873 int rc = 0;
1874
1875 if (test_bit(FLAG_FLASHING, &ai->flags))
1876 return -EIO;
1877
1878 /* Make sure the card is configured.
1879 * Wireless Extensions may postpone config changes until the card
1880 * is open (to pipeline changes and speed-up card setup). If
1881 * those changes are not yet committed, do it now - Jean II */
1882 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1883 disable_MAC(ai, 1);
1884 writeConfigRid(ai, 1);
1885 }
1886
1887 if (ai->wifidev != dev) {
1888 clear_bit(JOB_DIE, &ai->jobs);
1889 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1890 dev->name);
1891 if (IS_ERR(ai->airo_thread_task))
1892 return (int)PTR_ERR(ai->airo_thread_task);
1893
1894 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1895 dev->name, dev);
1896 if (rc) {
1897 airo_print_err(dev->name,
1898 "register interrupt %d failed, rc %d",
1899 dev->irq, rc);
1900 set_bit(JOB_DIE, &ai->jobs);
1901 kthread_stop(ai->airo_thread_task);
1902 return rc;
1903 }
1904
1905 /* Power on the MAC controller (which may have been disabled) */
1906 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1907 enable_interrupts(ai);
1908
1909 try_auto_wep(ai);
1910 }
1911 enable_MAC(ai, 1);
1912
1913 netif_start_queue(dev);
1914 return 0;
1915 }
1916
1917 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1918 struct net_device *dev)
1919 {
1920 int npacks, pending;
1921 unsigned long flags;
1922 struct airo_info *ai = dev->ml_priv;
1923
1924 if (!skb) {
1925 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1926 return NETDEV_TX_OK;
1927 }
1928 if (skb_padto(skb, ETH_ZLEN)) {
1929 dev->stats.tx_dropped++;
1930 return NETDEV_TX_OK;
1931 }
1932 npacks = skb_queue_len (&ai->txq);
1933
1934 if (npacks >= MAXTXQ - 1) {
1935 netif_stop_queue (dev);
1936 if (npacks > MAXTXQ) {
1937 dev->stats.tx_fifo_errors++;
1938 return NETDEV_TX_BUSY;
1939 }
1940 skb_queue_tail (&ai->txq, skb);
1941 return NETDEV_TX_OK;
1942 }
1943
1944 spin_lock_irqsave(&ai->aux_lock, flags);
1945 skb_queue_tail (&ai->txq, skb);
1946 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1947 spin_unlock_irqrestore(&ai->aux_lock,flags);
1948 netif_wake_queue (dev);
1949
1950 if (pending == 0) {
1951 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1952 mpi_send_packet (dev);
1953 }
1954 return NETDEV_TX_OK;
1955 }
1956
1957 /*
1958 * @mpi_send_packet
1959 *
1960 * Attempt to transmit a packet. Can be called from interrupt
1961 * or transmit . return number of packets we tried to send
1962 */
1963
1964 static int mpi_send_packet (struct net_device *dev)
1965 {
1966 struct sk_buff *skb;
1967 unsigned char *buffer;
1968 s16 len;
1969 __le16 *payloadLen;
1970 struct airo_info *ai = dev->ml_priv;
1971 u8 *sendbuf;
1972
1973 /* get a packet to send */
1974
1975 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1976 airo_print_err(dev->name,
1977 "%s: Dequeue'd zero in send_packet()",
1978 __func__);
1979 return 0;
1980 }
1981
1982 /* check min length*/
1983 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1984 buffer = skb->data;
1985
1986 ai->txfids[0].tx_desc.offset = 0;
1987 ai->txfids[0].tx_desc.valid = 1;
1988 ai->txfids[0].tx_desc.eoc = 1;
1989 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1990
1991 /*
1992 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1993 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1994 * is immediately after it. ------------------------------------------------
1995 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1996 * ------------------------------------------------
1997 */
1998
1999 memcpy(ai->txfids[0].virtual_host_addr,
2000 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2001
2002 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2003 sizeof(wifictlhdr8023));
2004 sendbuf = ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023) + 2 ;
2006
2007 /*
2008 * Firmware automatically puts 802 header on so
2009 * we don't need to account for it in the length
2010 */
2011 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2012 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2013 MICBuffer pMic;
2014
2015 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2016 return ERROR;
2017
2018 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2019 ai->txfids[0].tx_desc.len += sizeof(pMic);
2020 /* copy data into airo dma buffer */
2021 memcpy (sendbuf, buffer, sizeof(etherHead));
2022 buffer += sizeof(etherHead);
2023 sendbuf += sizeof(etherHead);
2024 memcpy (sendbuf, &pMic, sizeof(pMic));
2025 sendbuf += sizeof(pMic);
2026 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2027 } else {
2028 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2029
2030 netif_trans_update(dev);
2031
2032 /* copy data into airo dma buffer */
2033 memcpy(sendbuf, buffer, len);
2034 }
2035
2036 memcpy_toio(ai->txfids[0].card_ram_off,
2037 &ai->txfids[0].tx_desc, sizeof(TxFid));
2038
2039 OUT4500(ai, EVACK, 8);
2040
2041 dev_kfree_skb_any(skb);
2042 return 1;
2043 }
2044
2045 static void get_tx_error(struct airo_info *ai, s32 fid)
2046 {
2047 __le16 status;
2048
2049 if (fid < 0)
2050 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2051 else {
2052 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2053 return;
2054 bap_read(ai, &status, 2, BAP0);
2055 }
2056 if (le16_to_cpu(status) & 2) /* Too many retries */
2057 ai->dev->stats.tx_aborted_errors++;
2058 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2059 ai->dev->stats.tx_heartbeat_errors++;
2060 if (le16_to_cpu(status) & 8) /* Aid fail */
2061 { }
2062 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2063 ai->dev->stats.tx_carrier_errors++;
2064 if (le16_to_cpu(status) & 0x20) /* Association lost */
2065 { }
2066 /* We produce a TXDROP event only for retry or lifetime
2067 * exceeded, because that's the only status that really mean
2068 * that this particular node went away.
2069 * Other errors means that *we* screwed up. - Jean II */
2070 if ((le16_to_cpu(status) & 2) ||
2071 (le16_to_cpu(status) & 4)) {
2072 union iwreq_data wrqu;
2073 char junk[0x18];
2074
2075 /* Faster to skip over useless data than to do
2076 * another bap_setup(). We are at offset 0x6 and
2077 * need to go to 0x18 and read 6 bytes - Jean II */
2078 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2079
2080 /* Copy 802.11 dest address.
2081 * We use the 802.11 header because the frame may
2082 * not be 802.3 or may be mangled...
2083 * In Ad-Hoc mode, it will be the node address.
2084 * In managed mode, it will be most likely the AP addr
2085 * User space will figure out how to convert it to
2086 * whatever it needs (IP address or else).
2087 * - Jean II */
2088 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2089 wrqu.addr.sa_family = ARPHRD_ETHER;
2090
2091 /* Send event to user space */
2092 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2093 }
2094 }
2095
2096 static void airo_end_xmit(struct net_device *dev) {
2097 u16 status;
2098 int i;
2099 struct airo_info *priv = dev->ml_priv;
2100 struct sk_buff *skb = priv->xmit.skb;
2101 int fid = priv->xmit.fid;
2102 u32 *fids = priv->fids;
2103
2104 clear_bit(JOB_XMIT, &priv->jobs);
2105 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2106 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2107 up(&priv->sem);
2108
2109 i = 0;
2110 if ( status == SUCCESS ) {
2111 netif_trans_update(dev);
2112 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2113 } else {
2114 priv->fids[fid] &= 0xffff;
2115 dev->stats.tx_window_errors++;
2116 }
2117 if (i < MAX_FIDS / 2)
2118 netif_wake_queue(dev);
2119 dev_kfree_skb(skb);
2120 }
2121
2122 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2123 struct net_device *dev)
2124 {
2125 s16 len;
2126 int i, j;
2127 struct airo_info *priv = dev->ml_priv;
2128 u32 *fids = priv->fids;
2129
2130 if ( skb == NULL ) {
2131 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2132 return NETDEV_TX_OK;
2133 }
2134 if (skb_padto(skb, ETH_ZLEN)) {
2135 dev->stats.tx_dropped++;
2136 return NETDEV_TX_OK;
2137 }
2138
2139 /* Find a vacant FID */
2140 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2141 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2142
2143 if ( j >= MAX_FIDS / 2 ) {
2144 netif_stop_queue(dev);
2145
2146 if (i == MAX_FIDS / 2) {
2147 dev->stats.tx_fifo_errors++;
2148 return NETDEV_TX_BUSY;
2149 }
2150 }
2151 /* check min length*/
2152 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2153 /* Mark fid as used & save length for later */
2154 fids[i] |= (len << 16);
2155 priv->xmit.skb = skb;
2156 priv->xmit.fid = i;
2157 if (down_trylock(&priv->sem) != 0) {
2158 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2159 netif_stop_queue(dev);
2160 set_bit(JOB_XMIT, &priv->jobs);
2161 wake_up_interruptible(&priv->thr_wait);
2162 } else
2163 airo_end_xmit(dev);
2164 return NETDEV_TX_OK;
2165 }
2166
2167 static void airo_end_xmit11(struct net_device *dev) {
2168 u16 status;
2169 int i;
2170 struct airo_info *priv = dev->ml_priv;
2171 struct sk_buff *skb = priv->xmit11.skb;
2172 int fid = priv->xmit11.fid;
2173 u32 *fids = priv->fids;
2174
2175 clear_bit(JOB_XMIT11, &priv->jobs);
2176 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2177 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2178 up(&priv->sem);
2179
2180 i = MAX_FIDS / 2;
2181 if ( status == SUCCESS ) {
2182 netif_trans_update(dev);
2183 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2184 } else {
2185 priv->fids[fid] &= 0xffff;
2186 dev->stats.tx_window_errors++;
2187 }
2188 if (i < MAX_FIDS)
2189 netif_wake_queue(dev);
2190 dev_kfree_skb(skb);
2191 }
2192
2193 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2194 struct net_device *dev)
2195 {
2196 s16 len;
2197 int i, j;
2198 struct airo_info *priv = dev->ml_priv;
2199 u32 *fids = priv->fids;
2200
2201 if (test_bit(FLAG_MPI, &priv->flags)) {
2202 /* Not implemented yet for MPI350 */
2203 netif_stop_queue(dev);
2204 dev_kfree_skb_any(skb);
2205 return NETDEV_TX_OK;
2206 }
2207
2208 if ( skb == NULL ) {
2209 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2210 return NETDEV_TX_OK;
2211 }
2212 if (skb_padto(skb, ETH_ZLEN)) {
2213 dev->stats.tx_dropped++;
2214 return NETDEV_TX_OK;
2215 }
2216
2217 /* Find a vacant FID */
2218 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2219 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2220
2221 if ( j >= MAX_FIDS ) {
2222 netif_stop_queue(dev);
2223
2224 if (i == MAX_FIDS) {
2225 dev->stats.tx_fifo_errors++;
2226 return NETDEV_TX_BUSY;
2227 }
2228 }
2229 /* check min length*/
2230 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2231 /* Mark fid as used & save length for later */
2232 fids[i] |= (len << 16);
2233 priv->xmit11.skb = skb;
2234 priv->xmit11.fid = i;
2235 if (down_trylock(&priv->sem) != 0) {
2236 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2237 netif_stop_queue(dev);
2238 set_bit(JOB_XMIT11, &priv->jobs);
2239 wake_up_interruptible(&priv->thr_wait);
2240 } else
2241 airo_end_xmit11(dev);
2242 return NETDEV_TX_OK;
2243 }
2244
2245 static void airo_read_stats(struct net_device *dev)
2246 {
2247 struct airo_info *ai = dev->ml_priv;
2248 StatsRid stats_rid;
2249 __le32 *vals = stats_rid.vals;
2250
2251 clear_bit(JOB_STATS, &ai->jobs);
2252 if (ai->power.event) {
2253 up(&ai->sem);
2254 return;
2255 }
2256 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2257 up(&ai->sem);
2258
2259 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2260 le32_to_cpu(vals[45]);
2261 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2262 le32_to_cpu(vals[41]);
2263 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2264 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2265 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2266 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2267 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2268 dev->stats.tx_fifo_errors;
2269 dev->stats.multicast = le32_to_cpu(vals[43]);
2270 dev->stats.collisions = le32_to_cpu(vals[89]);
2271
2272 /* detailed rx_errors: */
2273 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2274 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2275 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2276 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2277 }
2278
2279 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2280 {
2281 struct airo_info *local = dev->ml_priv;
2282
2283 if (!test_bit(JOB_STATS, &local->jobs)) {
2284 /* Get stats out of the card if available */
2285 if (down_trylock(&local->sem) != 0) {
2286 set_bit(JOB_STATS, &local->jobs);
2287 wake_up_interruptible(&local->thr_wait);
2288 } else
2289 airo_read_stats(dev);
2290 }
2291
2292 return &dev->stats;
2293 }
2294
2295 static void airo_set_promisc(struct airo_info *ai) {
2296 Cmd cmd;
2297 Resp rsp;
2298
2299 memset(&cmd, 0, sizeof(cmd));
2300 cmd.cmd=CMD_SETMODE;
2301 clear_bit(JOB_PROMISC, &ai->jobs);
2302 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2303 issuecommand(ai, &cmd, &rsp);
2304 up(&ai->sem);
2305 }
2306
2307 static void airo_set_multicast_list(struct net_device *dev) {
2308 struct airo_info *ai = dev->ml_priv;
2309
2310 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2311 change_bit(FLAG_PROMISC, &ai->flags);
2312 if (down_trylock(&ai->sem) != 0) {
2313 set_bit(JOB_PROMISC, &ai->jobs);
2314 wake_up_interruptible(&ai->thr_wait);
2315 } else
2316 airo_set_promisc(ai);
2317 }
2318
2319 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2320 /* Turn on multicast. (Should be already setup...) */
2321 }
2322 }
2323
2324 static int airo_set_mac_address(struct net_device *dev, void *p)
2325 {
2326 struct airo_info *ai = dev->ml_priv;
2327 struct sockaddr *addr = p;
2328
2329 readConfigRid(ai, 1);
2330 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2331 set_bit (FLAG_COMMIT, &ai->flags);
2332 disable_MAC(ai, 1);
2333 writeConfigRid (ai, 1);
2334 enable_MAC(ai, 1);
2335 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2336 if (ai->wifidev)
2337 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2338 return 0;
2339 }
2340
2341 static LIST_HEAD(airo_devices);
2342
2343 static void add_airo_dev(struct airo_info *ai)
2344 {
2345 /* Upper layers already keep track of PCI devices,
2346 * so we only need to remember our non-PCI cards. */
2347 if (!ai->pci)
2348 list_add_tail(&ai->dev_list, &airo_devices);
2349 }
2350
2351 static void del_airo_dev(struct airo_info *ai)
2352 {
2353 if (!ai->pci)
2354 list_del(&ai->dev_list);
2355 }
2356
2357 static int airo_close(struct net_device *dev) {
2358 struct airo_info *ai = dev->ml_priv;
2359
2360 netif_stop_queue(dev);
2361
2362 if (ai->wifidev != dev) {
2363 #ifdef POWER_ON_DOWN
2364 /* Shut power to the card. The idea is that the user can save
2365 * power when he doesn't need the card with "ifconfig down".
2366 * That's the method that is most friendly towards the network
2367 * stack (i.e. the network stack won't try to broadcast
2368 * anything on the interface and routes are gone. Jean II */
2369 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2370 disable_MAC(ai, 1);
2371 #endif
2372 disable_interrupts( ai );
2373
2374 free_irq(dev->irq, dev);
2375
2376 set_bit(JOB_DIE, &ai->jobs);
2377 kthread_stop(ai->airo_thread_task);
2378 }
2379 return 0;
2380 }
2381
2382 void stop_airo_card( struct net_device *dev, int freeres )
2383 {
2384 struct airo_info *ai = dev->ml_priv;
2385
2386 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2387 disable_MAC(ai, 1);
2388 disable_interrupts(ai);
2389 takedown_proc_entry( dev, ai );
2390 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2391 unregister_netdev( dev );
2392 if (ai->wifidev) {
2393 unregister_netdev(ai->wifidev);
2394 free_netdev(ai->wifidev);
2395 ai->wifidev = NULL;
2396 }
2397 clear_bit(FLAG_REGISTERED, &ai->flags);
2398 }
2399 /*
2400 * Clean out tx queue
2401 */
2402 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2403 struct sk_buff *skb = NULL;
2404 for (;(skb = skb_dequeue(&ai->txq));)
2405 dev_kfree_skb(skb);
2406 }
2407
2408 airo_networks_free (ai);
2409
2410 kfree(ai->flash);
2411 kfree(ai->rssi);
2412 kfree(ai->SSID);
2413 if (freeres) {
2414 /* PCMCIA frees this stuff, so only for PCI and ISA */
2415 release_region( dev->base_addr, 64 );
2416 if (test_bit(FLAG_MPI, &ai->flags)) {
2417 if (ai->pci)
2418 mpi_unmap_card(ai->pci);
2419 if (ai->pcimem)
2420 iounmap(ai->pcimem);
2421 if (ai->pciaux)
2422 iounmap(ai->pciaux);
2423 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2424 ai->shared, ai->shared_dma);
2425 }
2426 }
2427 crypto_free_sync_skcipher(ai->tfm);
2428 del_airo_dev(ai);
2429 free_netdev( dev );
2430 }
2431
2432 EXPORT_SYMBOL(stop_airo_card);
2433
2434 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2435 {
2436 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2437 return ETH_ALEN;
2438 }
2439
2440 static void mpi_unmap_card(struct pci_dev *pci)
2441 {
2442 unsigned long mem_start = pci_resource_start(pci, 1);
2443 unsigned long mem_len = pci_resource_len(pci, 1);
2444 unsigned long aux_start = pci_resource_start(pci, 2);
2445 unsigned long aux_len = AUXMEMSIZE;
2446
2447 release_mem_region(aux_start, aux_len);
2448 release_mem_region(mem_start, mem_len);
2449 }
2450
2451 /*************************************************************
2452 * This routine assumes that descriptors have been setup .
2453 * Run at insmod time or after reset when the decriptors
2454 * have been initialized . Returns 0 if all is well nz
2455 * otherwise . Does not allocate memory but sets up card
2456 * using previously allocated descriptors.
2457 */
2458 static int mpi_init_descriptors (struct airo_info *ai)
2459 {
2460 Cmd cmd;
2461 Resp rsp;
2462 int i;
2463 int rc = SUCCESS;
2464
2465 /* Alloc card RX descriptors */
2466 netif_stop_queue(ai->dev);
2467
2468 memset(&rsp,0,sizeof(rsp));
2469 memset(&cmd,0,sizeof(cmd));
2470
2471 cmd.cmd = CMD_ALLOCATEAUX;
2472 cmd.parm0 = FID_RX;
2473 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2474 cmd.parm2 = MPI_MAX_FIDS;
2475 rc=issuecommand(ai, &cmd, &rsp);
2476 if (rc != SUCCESS) {
2477 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2478 return rc;
2479 }
2480
2481 for (i=0; i<MPI_MAX_FIDS; i++) {
2482 memcpy_toio(ai->rxfids[i].card_ram_off,
2483 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2484 }
2485
2486 /* Alloc card TX descriptors */
2487
2488 memset(&rsp,0,sizeof(rsp));
2489 memset(&cmd,0,sizeof(cmd));
2490
2491 cmd.cmd = CMD_ALLOCATEAUX;
2492 cmd.parm0 = FID_TX;
2493 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2494 cmd.parm2 = MPI_MAX_FIDS;
2495
2496 for (i=0; i<MPI_MAX_FIDS; i++) {
2497 ai->txfids[i].tx_desc.valid = 1;
2498 memcpy_toio(ai->txfids[i].card_ram_off,
2499 &ai->txfids[i].tx_desc, sizeof(TxFid));
2500 }
2501 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2502
2503 rc=issuecommand(ai, &cmd, &rsp);
2504 if (rc != SUCCESS) {
2505 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2506 return rc;
2507 }
2508
2509 /* Alloc card Rid descriptor */
2510 memset(&rsp,0,sizeof(rsp));
2511 memset(&cmd,0,sizeof(cmd));
2512
2513 cmd.cmd = CMD_ALLOCATEAUX;
2514 cmd.parm0 = RID_RW;
2515 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2516 cmd.parm2 = 1; /* Magic number... */
2517 rc=issuecommand(ai, &cmd, &rsp);
2518 if (rc != SUCCESS) {
2519 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2520 return rc;
2521 }
2522
2523 memcpy_toio(ai->config_desc.card_ram_off,
2524 &ai->config_desc.rid_desc, sizeof(Rid));
2525
2526 return rc;
2527 }
2528
2529 /*
2530 * We are setting up three things here:
2531 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2532 * 2) Map PCI memory for issuing commands.
2533 * 3) Allocate memory (shared) to send and receive ethernet frames.
2534 */
2535 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2536 {
2537 unsigned long mem_start, mem_len, aux_start, aux_len;
2538 int rc = -1;
2539 int i;
2540 dma_addr_t busaddroff;
2541 unsigned char *vpackoff;
2542 unsigned char __iomem *pciaddroff;
2543
2544 mem_start = pci_resource_start(pci, 1);
2545 mem_len = pci_resource_len(pci, 1);
2546 aux_start = pci_resource_start(pci, 2);
2547 aux_len = AUXMEMSIZE;
2548
2549 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2550 airo_print_err("", "Couldn't get region %x[%x]",
2551 (int)mem_start, (int)mem_len);
2552 goto out;
2553 }
2554 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2555 airo_print_err("", "Couldn't get region %x[%x]",
2556 (int)aux_start, (int)aux_len);
2557 goto free_region1;
2558 }
2559
2560 ai->pcimem = ioremap(mem_start, mem_len);
2561 if (!ai->pcimem) {
2562 airo_print_err("", "Couldn't map region %x[%x]",
2563 (int)mem_start, (int)mem_len);
2564 goto free_region2;
2565 }
2566 ai->pciaux = ioremap(aux_start, aux_len);
2567 if (!ai->pciaux) {
2568 airo_print_err("", "Couldn't map region %x[%x]",
2569 (int)aux_start, (int)aux_len);
2570 goto free_memmap;
2571 }
2572
2573 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2574 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2575 if (!ai->shared) {
2576 airo_print_err("", "Couldn't alloc_consistent %d",
2577 PCI_SHARED_LEN);
2578 goto free_auxmap;
2579 }
2580
2581 /*
2582 * Setup descriptor RX, TX, CONFIG
2583 */
2584 busaddroff = ai->shared_dma;
2585 pciaddroff = ai->pciaux + AUX_OFFSET;
2586 vpackoff = ai->shared;
2587
2588 /* RX descriptor setup */
2589 for(i = 0; i < MPI_MAX_FIDS; i++) {
2590 ai->rxfids[i].pending = 0;
2591 ai->rxfids[i].card_ram_off = pciaddroff;
2592 ai->rxfids[i].virtual_host_addr = vpackoff;
2593 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2594 ai->rxfids[i].rx_desc.valid = 1;
2595 ai->rxfids[i].rx_desc.len = PKTSIZE;
2596 ai->rxfids[i].rx_desc.rdy = 0;
2597
2598 pciaddroff += sizeof(RxFid);
2599 busaddroff += PKTSIZE;
2600 vpackoff += PKTSIZE;
2601 }
2602
2603 /* TX descriptor setup */
2604 for(i = 0; i < MPI_MAX_FIDS; i++) {
2605 ai->txfids[i].card_ram_off = pciaddroff;
2606 ai->txfids[i].virtual_host_addr = vpackoff;
2607 ai->txfids[i].tx_desc.valid = 1;
2608 ai->txfids[i].tx_desc.host_addr = busaddroff;
2609 memcpy(ai->txfids[i].virtual_host_addr,
2610 &wifictlhdr8023, sizeof(wifictlhdr8023));
2611
2612 pciaddroff += sizeof(TxFid);
2613 busaddroff += PKTSIZE;
2614 vpackoff += PKTSIZE;
2615 }
2616 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2617
2618 /* Rid descriptor setup */
2619 ai->config_desc.card_ram_off = pciaddroff;
2620 ai->config_desc.virtual_host_addr = vpackoff;
2621 ai->config_desc.rid_desc.host_addr = busaddroff;
2622 ai->ridbus = busaddroff;
2623 ai->config_desc.rid_desc.rid = 0;
2624 ai->config_desc.rid_desc.len = RIDSIZE;
2625 ai->config_desc.rid_desc.valid = 1;
2626 pciaddroff += sizeof(Rid);
2627 busaddroff += RIDSIZE;
2628 vpackoff += RIDSIZE;
2629
2630 /* Tell card about descriptors */
2631 if (mpi_init_descriptors (ai) != SUCCESS)
2632 goto free_shared;
2633
2634 return 0;
2635 free_shared:
2636 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2637 free_auxmap:
2638 iounmap(ai->pciaux);
2639 free_memmap:
2640 iounmap(ai->pcimem);
2641 free_region2:
2642 release_mem_region(aux_start, aux_len);
2643 free_region1:
2644 release_mem_region(mem_start, mem_len);
2645 out:
2646 return rc;
2647 }
2648
2649 static const struct header_ops airo_header_ops = {
2650 .parse = wll_header_parse,
2651 };
2652
2653 static const struct net_device_ops airo11_netdev_ops = {
2654 .ndo_open = airo_open,
2655 .ndo_stop = airo_close,
2656 .ndo_start_xmit = airo_start_xmit11,
2657 .ndo_get_stats = airo_get_stats,
2658 .ndo_set_mac_address = airo_set_mac_address,
2659 .ndo_do_ioctl = airo_ioctl,
2660 };
2661
2662 static void wifi_setup(struct net_device *dev)
2663 {
2664 dev->netdev_ops = &airo11_netdev_ops;
2665 dev->header_ops = &airo_header_ops;
2666 dev->wireless_handlers = &airo_handler_def;
2667
2668 dev->type = ARPHRD_IEEE80211;
2669 dev->hard_header_len = ETH_HLEN;
2670 dev->mtu = AIRO_DEF_MTU;
2671 dev->min_mtu = 68;
2672 dev->max_mtu = MIC_MSGLEN_MAX;
2673 dev->addr_len = ETH_ALEN;
2674 dev->tx_queue_len = 100;
2675
2676 eth_broadcast_addr(dev->broadcast);
2677
2678 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2679 }
2680
2681 static struct net_device *init_wifidev(struct airo_info *ai,
2682 struct net_device *ethdev)
2683 {
2684 int err;
2685 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2686 wifi_setup);
2687 if (!dev)
2688 return NULL;
2689 dev->ml_priv = ethdev->ml_priv;
2690 dev->irq = ethdev->irq;
2691 dev->base_addr = ethdev->base_addr;
2692 dev->wireless_data = ethdev->wireless_data;
2693 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2694 eth_hw_addr_inherit(dev, ethdev);
2695 err = register_netdev(dev);
2696 if (err<0) {
2697 free_netdev(dev);
2698 return NULL;
2699 }
2700 return dev;
2701 }
2702
2703 static int reset_card( struct net_device *dev , int lock) {
2704 struct airo_info *ai = dev->ml_priv;
2705
2706 if (lock && down_interruptible(&ai->sem))
2707 return -1;
2708 waitbusy (ai);
2709 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2710 msleep(200);
2711 waitbusy (ai);
2712 msleep(200);
2713 if (lock)
2714 up(&ai->sem);
2715 return 0;
2716 }
2717
2718 #define AIRO_MAX_NETWORK_COUNT 64
2719 static int airo_networks_allocate(struct airo_info *ai)
2720 {
2721 if (ai->networks)
2722 return 0;
2723
2724 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2725 GFP_KERNEL);
2726 if (!ai->networks) {
2727 airo_print_warn("", "Out of memory allocating beacons");
2728 return -ENOMEM;
2729 }
2730
2731 return 0;
2732 }
2733
2734 static void airo_networks_free(struct airo_info *ai)
2735 {
2736 kfree(ai->networks);
2737 ai->networks = NULL;
2738 }
2739
2740 static void airo_networks_initialize(struct airo_info *ai)
2741 {
2742 int i;
2743
2744 INIT_LIST_HEAD(&ai->network_free_list);
2745 INIT_LIST_HEAD(&ai->network_list);
2746 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2747 list_add_tail(&ai->networks[i].list,
2748 &ai->network_free_list);
2749 }
2750
2751 static const struct net_device_ops airo_netdev_ops = {
2752 .ndo_open = airo_open,
2753 .ndo_stop = airo_close,
2754 .ndo_start_xmit = airo_start_xmit,
2755 .ndo_get_stats = airo_get_stats,
2756 .ndo_set_rx_mode = airo_set_multicast_list,
2757 .ndo_set_mac_address = airo_set_mac_address,
2758 .ndo_do_ioctl = airo_ioctl,
2759 .ndo_validate_addr = eth_validate_addr,
2760 };
2761
2762 static const struct net_device_ops mpi_netdev_ops = {
2763 .ndo_open = airo_open,
2764 .ndo_stop = airo_close,
2765 .ndo_start_xmit = mpi_start_xmit,
2766 .ndo_get_stats = airo_get_stats,
2767 .ndo_set_rx_mode = airo_set_multicast_list,
2768 .ndo_set_mac_address = airo_set_mac_address,
2769 .ndo_do_ioctl = airo_ioctl,
2770 .ndo_validate_addr = eth_validate_addr,
2771 };
2772
2773
2774 static struct net_device *_init_airo_card( unsigned short irq, int port,
2775 int is_pcmcia, struct pci_dev *pci,
2776 struct device *dmdev )
2777 {
2778 struct net_device *dev;
2779 struct airo_info *ai;
2780 int i, rc;
2781 CapabilityRid cap_rid;
2782
2783 /* Create the network device object. */
2784 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2785 if (!dev) {
2786 airo_print_err("", "Couldn't alloc_etherdev");
2787 return NULL;
2788 }
2789
2790 ai = dev->ml_priv = netdev_priv(dev);
2791 ai->wifidev = NULL;
2792 ai->flags = 1 << FLAG_RADIO_DOWN;
2793 ai->jobs = 0;
2794 ai->dev = dev;
2795 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2796 airo_print_dbg("", "Found an MPI350 card");
2797 set_bit(FLAG_MPI, &ai->flags);
2798 }
2799 spin_lock_init(&ai->aux_lock);
2800 sema_init(&ai->sem, 1);
2801 ai->config.len = 0;
2802 ai->pci = pci;
2803 init_waitqueue_head (&ai->thr_wait);
2804 ai->tfm = NULL;
2805 add_airo_dev(ai);
2806 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2807
2808 if (airo_networks_allocate (ai))
2809 goto err_out_free;
2810 airo_networks_initialize (ai);
2811
2812 skb_queue_head_init (&ai->txq);
2813
2814 /* The Airo-specific entries in the device structure. */
2815 if (test_bit(FLAG_MPI,&ai->flags))
2816 dev->netdev_ops = &mpi_netdev_ops;
2817 else
2818 dev->netdev_ops = &airo_netdev_ops;
2819 dev->wireless_handlers = &airo_handler_def;
2820 ai->wireless_data.spy_data = &ai->spy_data;
2821 dev->wireless_data = &ai->wireless_data;
2822 dev->irq = irq;
2823 dev->base_addr = port;
2824 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2825 dev->max_mtu = MIC_MSGLEN_MAX;
2826
2827 SET_NETDEV_DEV(dev, dmdev);
2828
2829 reset_card (dev, 1);
2830 msleep(400);
2831
2832 if (!is_pcmcia) {
2833 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2834 rc = -EBUSY;
2835 airo_print_err(dev->name, "Couldn't request region");
2836 goto err_out_nets;
2837 }
2838 }
2839
2840 if (test_bit(FLAG_MPI,&ai->flags)) {
2841 if (mpi_map_card(ai, pci)) {
2842 airo_print_err("", "Could not map memory");
2843 goto err_out_res;
2844 }
2845 }
2846
2847 if (probe) {
2848 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2849 airo_print_err(dev->name, "MAC could not be enabled" );
2850 rc = -EIO;
2851 goto err_out_map;
2852 }
2853 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2854 ai->bap_read = fast_bap_read;
2855 set_bit(FLAG_FLASHING, &ai->flags);
2856 }
2857
2858 strcpy(dev->name, "eth%d");
2859 rc = register_netdev(dev);
2860 if (rc) {
2861 airo_print_err(dev->name, "Couldn't register_netdev");
2862 goto err_out_map;
2863 }
2864 ai->wifidev = init_wifidev(ai, dev);
2865 if (!ai->wifidev)
2866 goto err_out_reg;
2867
2868 rc = readCapabilityRid(ai, &cap_rid, 1);
2869 if (rc != SUCCESS) {
2870 rc = -EIO;
2871 goto err_out_wifi;
2872 }
2873 /* WEP capability discovery */
2874 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2875 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2876
2877 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2878 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2879 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2880 le16_to_cpu(cap_rid.softSubVer));
2881
2882 /* Test for WPA support */
2883 /* Only firmware versions 5.30.17 or better can do WPA */
2884 if (le16_to_cpu(cap_rid.softVer) > 0x530
2885 || (le16_to_cpu(cap_rid.softVer) == 0x530
2886 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2887 airo_print_info(ai->dev->name, "WPA supported.");
2888
2889 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2890 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2891 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2892 ai->bssListRidLen = sizeof(BSSListRid);
2893 } else {
2894 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2895 "versions older than 5.30.17.");
2896
2897 ai->bssListFirst = RID_BSSLISTFIRST;
2898 ai->bssListNext = RID_BSSLISTNEXT;
2899 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2900 }
2901
2902 set_bit(FLAG_REGISTERED,&ai->flags);
2903 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2904
2905 /* Allocate the transmit buffers */
2906 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2907 for( i = 0; i < MAX_FIDS; i++ )
2908 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2909
2910 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2911 goto err_out_wifi;
2912
2913 return dev;
2914
2915 err_out_wifi:
2916 unregister_netdev(ai->wifidev);
2917 free_netdev(ai->wifidev);
2918 err_out_reg:
2919 unregister_netdev(dev);
2920 err_out_map:
2921 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2922 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2923 iounmap(ai->pciaux);
2924 iounmap(ai->pcimem);
2925 mpi_unmap_card(ai->pci);
2926 }
2927 err_out_res:
2928 if (!is_pcmcia)
2929 release_region( dev->base_addr, 64 );
2930 err_out_nets:
2931 airo_networks_free(ai);
2932 err_out_free:
2933 del_airo_dev(ai);
2934 free_netdev(dev);
2935 return NULL;
2936 }
2937
2938 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2939 struct device *dmdev)
2940 {
2941 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2942 }
2943
2944 EXPORT_SYMBOL(init_airo_card);
2945
2946 static int waitbusy (struct airo_info *ai) {
2947 int delay = 0;
2948 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2949 udelay (10);
2950 if ((++delay % 20) == 0)
2951 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2952 }
2953 return delay < 10000;
2954 }
2955
2956 int reset_airo_card( struct net_device *dev )
2957 {
2958 int i;
2959 struct airo_info *ai = dev->ml_priv;
2960
2961 if (reset_card (dev, 1))
2962 return -1;
2963
2964 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2965 airo_print_err(dev->name, "MAC could not be enabled");
2966 return -1;
2967 }
2968 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2969 /* Allocate the transmit buffers if needed */
2970 if (!test_bit(FLAG_MPI,&ai->flags))
2971 for( i = 0; i < MAX_FIDS; i++ )
2972 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2973
2974 enable_interrupts( ai );
2975 netif_wake_queue(dev);
2976 return 0;
2977 }
2978
2979 EXPORT_SYMBOL(reset_airo_card);
2980
2981 static void airo_send_event(struct net_device *dev) {
2982 struct airo_info *ai = dev->ml_priv;
2983 union iwreq_data wrqu;
2984 StatusRid status_rid;
2985
2986 clear_bit(JOB_EVENT, &ai->jobs);
2987 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2988 up(&ai->sem);
2989 wrqu.data.length = 0;
2990 wrqu.data.flags = 0;
2991 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2992 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2993
2994 /* Send event to user space */
2995 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2996 }
2997
2998 static void airo_process_scan_results (struct airo_info *ai) {
2999 union iwreq_data wrqu;
3000 BSSListRid bss;
3001 int rc;
3002 BSSListElement * loop_net;
3003 BSSListElement * tmp_net;
3004
3005 /* Blow away current list of scan results */
3006 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3007 list_move_tail (&loop_net->list, &ai->network_free_list);
3008 /* Don't blow away ->list, just BSS data */
3009 memset (loop_net, 0, sizeof (loop_net->bss));
3010 }
3011
3012 /* Try to read the first entry of the scan result */
3013 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3014 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3015 /* No scan results */
3016 goto out;
3017 }
3018
3019 /* Read and parse all entries */
3020 tmp_net = NULL;
3021 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3022 /* Grab a network off the free list */
3023 if (!list_empty(&ai->network_free_list)) {
3024 tmp_net = list_entry(ai->network_free_list.next,
3025 BSSListElement, list);
3026 list_del(ai->network_free_list.next);
3027 }
3028
3029 if (tmp_net != NULL) {
3030 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3031 list_add_tail(&tmp_net->list, &ai->network_list);
3032 tmp_net = NULL;
3033 }
3034
3035 /* Read next entry */
3036 rc = PC4500_readrid(ai, ai->bssListNext,
3037 &bss, ai->bssListRidLen, 0);
3038 }
3039
3040 out:
3041 /* write APList back (we cleared it in airo_set_scan) */
3042 disable_MAC(ai, 2);
3043 writeAPListRid(ai, &ai->APList, 0);
3044 enable_MAC(ai, 0);
3045
3046 ai->scan_timeout = 0;
3047 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3048 up(&ai->sem);
3049
3050 /* Send an empty event to user space.
3051 * We don't send the received data on
3052 * the event because it would require
3053 * us to do complex transcoding, and
3054 * we want to minimise the work done in
3055 * the irq handler. Use a request to
3056 * extract the data - Jean II */
3057 wrqu.data.length = 0;
3058 wrqu.data.flags = 0;
3059 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3060 }
3061
3062 static int airo_thread(void *data) {
3063 struct net_device *dev = data;
3064 struct airo_info *ai = dev->ml_priv;
3065 int locked;
3066
3067 set_freezable();
3068 while(1) {
3069 /* make swsusp happy with our thread */
3070 try_to_freeze();
3071
3072 if (test_bit(JOB_DIE, &ai->jobs))
3073 break;
3074
3075 if (ai->jobs) {
3076 locked = down_interruptible(&ai->sem);
3077 } else {
3078 wait_queue_entry_t wait;
3079
3080 init_waitqueue_entry(&wait, current);
3081 add_wait_queue(&ai->thr_wait, &wait);
3082 for (;;) {
3083 set_current_state(TASK_INTERRUPTIBLE);
3084 if (ai->jobs)
3085 break;
3086 if (ai->expires || ai->scan_timeout) {
3087 if (ai->scan_timeout &&
3088 time_after_eq(jiffies,ai->scan_timeout)){
3089 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3090 break;
3091 } else if (ai->expires &&
3092 time_after_eq(jiffies,ai->expires)){
3093 set_bit(JOB_AUTOWEP, &ai->jobs);
3094 break;
3095 }
3096 if (!kthread_should_stop() &&
3097 !freezing(current)) {
3098 unsigned long wake_at;
3099 if (!ai->expires || !ai->scan_timeout) {
3100 wake_at = max(ai->expires,
3101 ai->scan_timeout);
3102 } else {
3103 wake_at = min(ai->expires,
3104 ai->scan_timeout);
3105 }
3106 schedule_timeout(wake_at - jiffies);
3107 continue;
3108 }
3109 } else if (!kthread_should_stop() &&
3110 !freezing(current)) {
3111 schedule();
3112 continue;
3113 }
3114 break;
3115 }
3116 current->state = TASK_RUNNING;
3117 remove_wait_queue(&ai->thr_wait, &wait);
3118 locked = 1;
3119 }
3120
3121 if (locked)
3122 continue;
3123
3124 if (test_bit(JOB_DIE, &ai->jobs)) {
3125 up(&ai->sem);
3126 break;
3127 }
3128
3129 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3130 up(&ai->sem);
3131 continue;
3132 }
3133
3134 if (test_bit(JOB_XMIT, &ai->jobs))
3135 airo_end_xmit(dev);
3136 else if (test_bit(JOB_XMIT11, &ai->jobs))
3137 airo_end_xmit11(dev);
3138 else if (test_bit(JOB_STATS, &ai->jobs))
3139 airo_read_stats(dev);
3140 else if (test_bit(JOB_WSTATS, &ai->jobs))
3141 airo_read_wireless_stats(ai);
3142 else if (test_bit(JOB_PROMISC, &ai->jobs))
3143 airo_set_promisc(ai);
3144 else if (test_bit(JOB_MIC, &ai->jobs))
3145 micinit(ai);
3146 else if (test_bit(JOB_EVENT, &ai->jobs))
3147 airo_send_event(dev);
3148 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3149 timer_func(dev);
3150 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3151 airo_process_scan_results(ai);
3152 else /* Shouldn't get here, but we make sure to unlock */
3153 up(&ai->sem);
3154 }
3155
3156 return 0;
3157 }
3158
3159 static int header_len(__le16 ctl)
3160 {
3161 u16 fc = le16_to_cpu(ctl);
3162 switch (fc & 0xc) {
3163 case 4:
3164 if ((fc & 0xe0) == 0xc0)
3165 return 10; /* one-address control packet */
3166 return 16; /* two-address control packet */
3167 case 8:
3168 if ((fc & 0x300) == 0x300)
3169 return 30; /* WDS packet */
3170 }
3171 return 24;
3172 }
3173
3174 static void airo_handle_cisco_mic(struct airo_info *ai)
3175 {
3176 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3177 set_bit(JOB_MIC, &ai->jobs);
3178 wake_up_interruptible(&ai->thr_wait);
3179 }
3180 }
3181
3182 /* Airo Status codes */
3183 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3184 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3185 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3186 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3187 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3188 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3189 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3190 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3191 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3192 #define STAT_ASSOC 0x0400 /* Associated */
3193 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3194
3195 static void airo_print_status(const char *devname, u16 status)
3196 {
3197 u8 reason = status & 0xFF;
3198
3199 switch (status & 0xFF00) {
3200 case STAT_NOBEACON:
3201 switch (status) {
3202 case STAT_NOBEACON:
3203 airo_print_dbg(devname, "link lost (missed beacons)");
3204 break;
3205 case STAT_MAXRETRIES:
3206 case STAT_MAXARL:
3207 airo_print_dbg(devname, "link lost (max retries)");
3208 break;
3209 case STAT_FORCELOSS:
3210 airo_print_dbg(devname, "link lost (local choice)");
3211 break;
3212 case STAT_TSFSYNC:
3213 airo_print_dbg(devname, "link lost (TSF sync lost)");
3214 break;
3215 default:
3216 airo_print_dbg(devname, "unknown status %x\n", status);
3217 break;
3218 }
3219 break;
3220 case STAT_DEAUTH:
3221 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3222 break;
3223 case STAT_DISASSOC:
3224 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3225 break;
3226 case STAT_ASSOC_FAIL:
3227 airo_print_dbg(devname, "association failed (reason: %d)",
3228 reason);
3229 break;
3230 case STAT_AUTH_FAIL:
3231 airo_print_dbg(devname, "authentication failed (reason: %d)",
3232 reason);
3233 break;
3234 case STAT_ASSOC:
3235 case STAT_REASSOC:
3236 break;
3237 default:
3238 airo_print_dbg(devname, "unknown status %x\n", status);
3239 break;
3240 }
3241 }
3242
3243 static void airo_handle_link(struct airo_info *ai)
3244 {
3245 union iwreq_data wrqu;
3246 int scan_forceloss = 0;
3247 u16 status;
3248
3249 /* Get new status and acknowledge the link change */
3250 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3251 OUT4500(ai, EVACK, EV_LINK);
3252
3253 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3254 scan_forceloss = 1;
3255
3256 airo_print_status(ai->dev->name, status);
3257
3258 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3259 if (auto_wep)
3260 ai->expires = 0;
3261 if (ai->list_bss_task)
3262 wake_up_process(ai->list_bss_task);
3263 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3264 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3265
3266 if (down_trylock(&ai->sem) != 0) {
3267 set_bit(JOB_EVENT, &ai->jobs);
3268 wake_up_interruptible(&ai->thr_wait);
3269 } else
3270 airo_send_event(ai->dev);
3271 netif_carrier_on(ai->dev);
3272 } else if (!scan_forceloss) {
3273 if (auto_wep && !ai->expires) {
3274 ai->expires = RUN_AT(3*HZ);
3275 wake_up_interruptible(&ai->thr_wait);
3276 }
3277
3278 /* Send event to user space */
3279 eth_zero_addr(wrqu.ap_addr.sa_data);
3280 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3281 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3282 netif_carrier_off(ai->dev);
3283 } else {
3284 netif_carrier_off(ai->dev);
3285 }
3286 }
3287
3288 static void airo_handle_rx(struct airo_info *ai)
3289 {
3290 struct sk_buff *skb = NULL;
3291 __le16 fc, v, *buffer, tmpbuf[4];
3292 u16 len, hdrlen = 0, gap, fid;
3293 struct rx_hdr hdr;
3294 int success = 0;
3295
3296 if (test_bit(FLAG_MPI, &ai->flags)) {
3297 if (test_bit(FLAG_802_11, &ai->flags))
3298 mpi_receive_802_11(ai);
3299 else
3300 mpi_receive_802_3(ai);
3301 OUT4500(ai, EVACK, EV_RX);
3302 return;
3303 }
3304
3305 fid = IN4500(ai, RXFID);
3306
3307 /* Get the packet length */
3308 if (test_bit(FLAG_802_11, &ai->flags)) {
3309 bap_setup (ai, fid, 4, BAP0);
3310 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3311 /* Bad CRC. Ignore packet */
3312 if (le16_to_cpu(hdr.status) & 2)
3313 hdr.len = 0;
3314 if (ai->wifidev == NULL)
3315 hdr.len = 0;
3316 } else {
3317 bap_setup(ai, fid, 0x36, BAP0);
3318 bap_read(ai, &hdr.len, 2, BAP0);
3319 }
3320 len = le16_to_cpu(hdr.len);
3321
3322 if (len > AIRO_DEF_MTU) {
3323 airo_print_err(ai->dev->name, "Bad size %d", len);
3324 goto done;
3325 }
3326 if (len == 0)
3327 goto done;
3328
3329 if (test_bit(FLAG_802_11, &ai->flags)) {
3330 bap_read(ai, &fc, sizeof (fc), BAP0);
3331 hdrlen = header_len(fc);
3332 } else
3333 hdrlen = ETH_ALEN * 2;
3334
3335 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3336 if (!skb) {
3337 ai->dev->stats.rx_dropped++;
3338 goto done;
3339 }
3340
3341 skb_reserve(skb, 2); /* This way the IP header is aligned */
3342 buffer = skb_put(skb, len + hdrlen);
3343 if (test_bit(FLAG_802_11, &ai->flags)) {
3344 buffer[0] = fc;
3345 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3346 if (hdrlen == 24)
3347 bap_read(ai, tmpbuf, 6, BAP0);
3348
3349 bap_read(ai, &v, sizeof(v), BAP0);
3350 gap = le16_to_cpu(v);
3351 if (gap) {
3352 if (gap <= 8) {
3353 bap_read(ai, tmpbuf, gap, BAP0);
3354 } else {
3355 airo_print_err(ai->dev->name, "gaplen too "
3356 "big. Problems will follow...");
3357 }
3358 }
3359 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3360 } else {
3361 MICBuffer micbuf;
3362
3363 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3364 if (ai->micstats.enabled) {
3365 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3366 if (ntohs(micbuf.typelen) > 0x05DC)
3367 bap_setup(ai, fid, 0x44, BAP0);
3368 else {
3369 if (len <= sizeof (micbuf)) {
3370 dev_kfree_skb_irq(skb);
3371 goto done;
3372 }
3373
3374 len -= sizeof(micbuf);
3375 skb_trim(skb, len + hdrlen);
3376 }
3377 }
3378
3379 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3380 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3381 dev_kfree_skb_irq (skb);
3382 else
3383 success = 1;
3384 }
3385
3386 #ifdef WIRELESS_SPY
3387 if (success && (ai->spy_data.spy_number > 0)) {
3388 char *sa;
3389 struct iw_quality wstats;
3390
3391 /* Prepare spy data : addr + qual */
3392 if (!test_bit(FLAG_802_11, &ai->flags)) {
3393 sa = (char *) buffer + 6;
3394 bap_setup(ai, fid, 8, BAP0);
3395 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3396 } else
3397 sa = (char *) buffer + 10;
3398 wstats.qual = hdr.rssi[0];
3399 if (ai->rssi)
3400 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3401 else
3402 wstats.level = (hdr.rssi[1] + 321) / 2;
3403 wstats.noise = ai->wstats.qual.noise;
3404 wstats.updated = IW_QUAL_LEVEL_UPDATED
3405 | IW_QUAL_QUAL_UPDATED
3406 | IW_QUAL_DBM;
3407 /* Update spy records */
3408 wireless_spy_update(ai->dev, sa, &wstats);
3409 }
3410 #endif /* WIRELESS_SPY */
3411
3412 done:
3413 OUT4500(ai, EVACK, EV_RX);
3414
3415 if (success) {
3416 if (test_bit(FLAG_802_11, &ai->flags)) {
3417 skb_reset_mac_header(skb);
3418 skb->pkt_type = PACKET_OTHERHOST;
3419 skb->dev = ai->wifidev;
3420 skb->protocol = htons(ETH_P_802_2);
3421 } else
3422 skb->protocol = eth_type_trans(skb, ai->dev);
3423 skb->ip_summed = CHECKSUM_NONE;
3424
3425 netif_rx(skb);
3426 }
3427 }
3428
3429 static void airo_handle_tx(struct airo_info *ai, u16 status)
3430 {
3431 int i, index = -1;
3432 u16 fid;
3433
3434 if (test_bit(FLAG_MPI, &ai->flags)) {
3435 unsigned long flags;
3436
3437 if (status & EV_TXEXC)
3438 get_tx_error(ai, -1);
3439
3440 spin_lock_irqsave(&ai->aux_lock, flags);
3441 if (!skb_queue_empty(&ai->txq)) {
3442 spin_unlock_irqrestore(&ai->aux_lock,flags);
3443 mpi_send_packet(ai->dev);
3444 } else {
3445 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3446 spin_unlock_irqrestore(&ai->aux_lock,flags);
3447 netif_wake_queue(ai->dev);
3448 }
3449 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3450 return;
3451 }
3452
3453 fid = IN4500(ai, TXCOMPLFID);
3454
3455 for (i = 0; i < MAX_FIDS; i++) {
3456 if ((ai->fids[i] & 0xffff) == fid)
3457 index = i;
3458 }
3459
3460 if (index != -1) {
3461 if (status & EV_TXEXC)
3462 get_tx_error(ai, index);
3463
3464 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3465
3466 /* Set up to be used again */
3467 ai->fids[index] &= 0xffff;
3468 if (index < MAX_FIDS / 2) {
3469 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3470 netif_wake_queue(ai->dev);
3471 } else {
3472 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3473 netif_wake_queue(ai->wifidev);
3474 }
3475 } else {
3476 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3477 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3478 }
3479 }
3480
3481 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3482 {
3483 struct net_device *dev = dev_id;
3484 u16 status, savedInterrupts = 0;
3485 struct airo_info *ai = dev->ml_priv;
3486 int handled = 0;
3487
3488 if (!netif_device_present(dev))
3489 return IRQ_NONE;
3490
3491 for (;;) {
3492 status = IN4500(ai, EVSTAT);
3493 if (!(status & STATUS_INTS) || (status == 0xffff))
3494 break;
3495
3496 handled = 1;
3497
3498 if (status & EV_AWAKE) {
3499 OUT4500(ai, EVACK, EV_AWAKE);
3500 OUT4500(ai, EVACK, EV_AWAKE);
3501 }
3502
3503 if (!savedInterrupts) {
3504 savedInterrupts = IN4500(ai, EVINTEN);
3505 OUT4500(ai, EVINTEN, 0);
3506 }
3507
3508 if (status & EV_MIC) {
3509 OUT4500(ai, EVACK, EV_MIC);
3510 airo_handle_cisco_mic(ai);
3511 }
3512
3513 if (status & EV_LINK) {
3514 /* Link status changed */
3515 airo_handle_link(ai);
3516 }
3517
3518 /* Check to see if there is something to receive */
3519 if (status & EV_RX)
3520 airo_handle_rx(ai);
3521
3522 /* Check to see if a packet has been transmitted */
3523 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3524 airo_handle_tx(ai, status);
3525
3526 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3527 airo_print_warn(ai->dev->name, "Got weird status %x",
3528 status & ~STATUS_INTS & ~IGNORE_INTS );
3529 }
3530 }
3531
3532 if (savedInterrupts)
3533 OUT4500(ai, EVINTEN, savedInterrupts);
3534
3535 return IRQ_RETVAL(handled);
3536 }
3537
3538 /*
3539 * Routines to talk to the card
3540 */
3541
3542 /*
3543 * This was originally written for the 4500, hence the name
3544 * NOTE: If use with 8bit mode and SMP bad things will happen!
3545 * Why would some one do 8 bit IO in an SMP machine?!?
3546 */
3547 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3548 if (test_bit(FLAG_MPI,&ai->flags))
3549 reg <<= 1;
3550 if ( !do8bitIO )
3551 outw( val, ai->dev->base_addr + reg );
3552 else {
3553 outb( val & 0xff, ai->dev->base_addr + reg );
3554 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3555 }
3556 }
3557
3558 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3559 unsigned short rc;
3560
3561 if (test_bit(FLAG_MPI,&ai->flags))
3562 reg <<= 1;
3563 if ( !do8bitIO )
3564 rc = inw( ai->dev->base_addr + reg );
3565 else {
3566 rc = inb( ai->dev->base_addr + reg );
3567 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3568 }
3569 return rc;
3570 }
3571
3572 static int enable_MAC(struct airo_info *ai, int lock)
3573 {
3574 int rc;
3575 Cmd cmd;
3576 Resp rsp;
3577
3578 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3579 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3580 * Note : we could try to use !netif_running(dev) in enable_MAC()
3581 * instead of this flag, but I don't trust it *within* the
3582 * open/close functions, and testing both flags together is
3583 * "cheaper" - Jean II */
3584 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3585
3586 if (lock && down_interruptible(&ai->sem))
3587 return -ERESTARTSYS;
3588
3589 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3590 memset(&cmd, 0, sizeof(cmd));
3591 cmd.cmd = MAC_ENABLE;
3592 rc = issuecommand(ai, &cmd, &rsp);
3593 if (rc == SUCCESS)
3594 set_bit(FLAG_ENABLED, &ai->flags);
3595 } else
3596 rc = SUCCESS;
3597
3598 if (lock)
3599 up(&ai->sem);
3600
3601 if (rc)
3602 airo_print_err(ai->dev->name, "Cannot enable MAC");
3603 else if ((rsp.status & 0xFF00) != 0) {
3604 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3605 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3606 rc = ERROR;
3607 }
3608 return rc;
3609 }
3610
3611 static void disable_MAC( struct airo_info *ai, int lock ) {
3612 Cmd cmd;
3613 Resp rsp;
3614
3615 if (lock == 1 && down_interruptible(&ai->sem))
3616 return;
3617
3618 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3619 if (lock != 2) /* lock == 2 means don't disable carrier */
3620 netif_carrier_off(ai->dev);
3621 memset(&cmd, 0, sizeof(cmd));
3622 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3623 issuecommand(ai, &cmd, &rsp);
3624 clear_bit(FLAG_ENABLED, &ai->flags);
3625 }
3626 if (lock == 1)
3627 up(&ai->sem);
3628 }
3629
3630 static void enable_interrupts( struct airo_info *ai ) {
3631 /* Enable the interrupts */
3632 OUT4500( ai, EVINTEN, STATUS_INTS );
3633 }
3634
3635 static void disable_interrupts( struct airo_info *ai ) {
3636 OUT4500( ai, EVINTEN, 0 );
3637 }
3638
3639 static void mpi_receive_802_3(struct airo_info *ai)
3640 {
3641 RxFid rxd;
3642 int len = 0;
3643 struct sk_buff *skb;
3644 char *buffer;
3645 int off = 0;
3646 MICBuffer micbuf;
3647
3648 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3649 /* Make sure we got something */
3650 if (rxd.rdy && rxd.valid == 0) {
3651 len = rxd.len + 12;
3652 if (len < 12 || len > 2048)
3653 goto badrx;
3654
3655 skb = dev_alloc_skb(len);
3656 if (!skb) {
3657 ai->dev->stats.rx_dropped++;
3658 goto badrx;
3659 }
3660 buffer = skb_put(skb,len);
3661 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3662 if (ai->micstats.enabled) {
3663 memcpy(&micbuf,
3664 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3665 sizeof(micbuf));
3666 if (ntohs(micbuf.typelen) <= 0x05DC) {
3667 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3668 goto badmic;
3669
3670 off = sizeof(micbuf);
3671 skb_trim (skb, len - off);
3672 }
3673 }
3674 memcpy(buffer + ETH_ALEN * 2,
3675 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3676 len - ETH_ALEN * 2 - off);
3677 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3678 badmic:
3679 dev_kfree_skb_irq (skb);
3680 goto badrx;
3681 }
3682 #ifdef WIRELESS_SPY
3683 if (ai->spy_data.spy_number > 0) {
3684 char *sa;
3685 struct iw_quality wstats;
3686 /* Prepare spy data : addr + qual */
3687 sa = buffer + ETH_ALEN;
3688 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3689 wstats.level = 0;
3690 wstats.updated = 0;
3691 /* Update spy records */
3692 wireless_spy_update(ai->dev, sa, &wstats);
3693 }
3694 #endif /* WIRELESS_SPY */
3695
3696 skb->ip_summed = CHECKSUM_NONE;
3697 skb->protocol = eth_type_trans(skb, ai->dev);
3698 netif_rx(skb);
3699 }
3700 badrx:
3701 if (rxd.valid == 0) {
3702 rxd.valid = 1;
3703 rxd.rdy = 0;
3704 rxd.len = PKTSIZE;
3705 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3706 }
3707 }
3708
3709 static void mpi_receive_802_11(struct airo_info *ai)
3710 {
3711 RxFid rxd;
3712 struct sk_buff *skb = NULL;
3713 u16 len, hdrlen = 0;
3714 __le16 fc;
3715 struct rx_hdr hdr;
3716 u16 gap;
3717 u16 *buffer;
3718 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3719
3720 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3721 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3722 ptr += sizeof(hdr);
3723 /* Bad CRC. Ignore packet */
3724 if (le16_to_cpu(hdr.status) & 2)
3725 hdr.len = 0;
3726 if (ai->wifidev == NULL)
3727 hdr.len = 0;
3728 len = le16_to_cpu(hdr.len);
3729 if (len > AIRO_DEF_MTU) {
3730 airo_print_err(ai->dev->name, "Bad size %d", len);
3731 goto badrx;
3732 }
3733 if (len == 0)
3734 goto badrx;
3735
3736 fc = get_unaligned((__le16 *)ptr);
3737 hdrlen = header_len(fc);
3738
3739 skb = dev_alloc_skb( len + hdrlen + 2 );
3740 if ( !skb ) {
3741 ai->dev->stats.rx_dropped++;
3742 goto badrx;
3743 }
3744 buffer = skb_put(skb, len + hdrlen);
3745 memcpy ((char *)buffer, ptr, hdrlen);
3746 ptr += hdrlen;
3747 if (hdrlen == 24)
3748 ptr += 6;
3749 gap = get_unaligned_le16(ptr);
3750 ptr += sizeof(__le16);
3751 if (gap) {
3752 if (gap <= 8)
3753 ptr += gap;
3754 else
3755 airo_print_err(ai->dev->name,
3756 "gaplen too big. Problems will follow...");
3757 }
3758 memcpy ((char *)buffer + hdrlen, ptr, len);
3759 ptr += len;
3760 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3761 if (ai->spy_data.spy_number > 0) {
3762 char *sa;
3763 struct iw_quality wstats;
3764 /* Prepare spy data : addr + qual */
3765 sa = (char*)buffer + 10;
3766 wstats.qual = hdr.rssi[0];
3767 if (ai->rssi)
3768 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3769 else
3770 wstats.level = (hdr.rssi[1] + 321) / 2;
3771 wstats.noise = ai->wstats.qual.noise;
3772 wstats.updated = IW_QUAL_QUAL_UPDATED
3773 | IW_QUAL_LEVEL_UPDATED
3774 | IW_QUAL_DBM;
3775 /* Update spy records */
3776 wireless_spy_update(ai->dev, sa, &wstats);
3777 }
3778 #endif /* IW_WIRELESS_SPY */
3779 skb_reset_mac_header(skb);
3780 skb->pkt_type = PACKET_OTHERHOST;
3781 skb->dev = ai->wifidev;
3782 skb->protocol = htons(ETH_P_802_2);
3783 skb->ip_summed = CHECKSUM_NONE;
3784 netif_rx( skb );
3785
3786 badrx:
3787 if (rxd.valid == 0) {
3788 rxd.valid = 1;
3789 rxd.rdy = 0;
3790 rxd.len = PKTSIZE;
3791 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3792 }
3793 }
3794
3795 static inline void set_auth_type(struct airo_info *local, int auth_type)
3796 {
3797 local->config.authType = auth_type;
3798 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3799 * Used by airo_set_auth()
3800 */
3801 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3802 local->last_auth = auth_type;
3803 }
3804
3805 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3806 {
3807 Cmd cmd;
3808 Resp rsp;
3809 int status;
3810 SsidRid mySsid;
3811 __le16 lastindex;
3812 WepKeyRid wkr;
3813 int rc;
3814
3815 memset( &mySsid, 0, sizeof( mySsid ) );
3816 kfree (ai->flash);
3817 ai->flash = NULL;
3818
3819 /* The NOP is the first step in getting the card going */
3820 cmd.cmd = NOP;
3821 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3822 if (lock && down_interruptible(&ai->sem))
3823 return ERROR;
3824 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3825 if (lock)
3826 up(&ai->sem);
3827 return ERROR;
3828 }
3829 disable_MAC( ai, 0);
3830
3831 // Let's figure out if we need to use the AUX port
3832 if (!test_bit(FLAG_MPI,&ai->flags)) {
3833 cmd.cmd = CMD_ENABLEAUX;
3834 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3835 if (lock)
3836 up(&ai->sem);
3837 airo_print_err(ai->dev->name, "Error checking for AUX port");
3838 return ERROR;
3839 }
3840 if (!aux_bap || rsp.status & 0xff00) {
3841 ai->bap_read = fast_bap_read;
3842 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3843 } else {
3844 ai->bap_read = aux_bap_read;
3845 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3846 }
3847 }
3848 if (lock)
3849 up(&ai->sem);
3850 if (ai->config.len == 0) {
3851 int i;
3852 tdsRssiRid rssi_rid;
3853 CapabilityRid cap_rid;
3854
3855 kfree(ai->SSID);
3856 ai->SSID = NULL;
3857 // general configuration (read/modify/write)
3858 status = readConfigRid(ai, lock);
3859 if ( status != SUCCESS ) return ERROR;
3860
3861 status = readCapabilityRid(ai, &cap_rid, lock);
3862 if ( status != SUCCESS ) return ERROR;
3863
3864 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3865 if ( status == SUCCESS ) {
3866 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3867 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3868 }
3869 else {
3870 kfree(ai->rssi);
3871 ai->rssi = NULL;
3872 if (cap_rid.softCap & cpu_to_le16(8))
3873 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3874 else
3875 airo_print_warn(ai->dev->name, "unknown received signal "
3876 "level scale");
3877 }
3878 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3879 set_auth_type(ai, AUTH_OPEN);
3880 ai->config.modulation = MOD_CCK;
3881
3882 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3883 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3884 micsetup(ai) == SUCCESS) {
3885 ai->config.opmode |= MODE_MIC;
3886 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3887 }
3888
3889 /* Save off the MAC */
3890 for( i = 0; i < ETH_ALEN; i++ ) {
3891 mac[i] = ai->config.macAddr[i];
3892 }
3893
3894 /* Check to see if there are any insmod configured
3895 rates to add */
3896 if ( rates[0] ) {
3897 memset(ai->config.rates,0,sizeof(ai->config.rates));
3898 for( i = 0; i < 8 && rates[i]; i++ ) {
3899 ai->config.rates[i] = rates[i];
3900 }
3901 }
3902 set_bit (FLAG_COMMIT, &ai->flags);
3903 }
3904
3905 /* Setup the SSIDs if present */
3906 if ( ssids[0] ) {
3907 int i;
3908 for( i = 0; i < 3 && ssids[i]; i++ ) {
3909 size_t len = strlen(ssids[i]);
3910 if (len > 32)
3911 len = 32;
3912 mySsid.ssids[i].len = cpu_to_le16(len);
3913 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3914 }
3915 mySsid.len = cpu_to_le16(sizeof(mySsid));
3916 }
3917
3918 status = writeConfigRid(ai, lock);
3919 if ( status != SUCCESS ) return ERROR;
3920
3921 /* Set up the SSID list */
3922 if ( ssids[0] ) {
3923 status = writeSsidRid(ai, &mySsid, lock);
3924 if ( status != SUCCESS ) return ERROR;
3925 }
3926
3927 status = enable_MAC(ai, lock);
3928 if (status != SUCCESS)
3929 return ERROR;
3930
3931 /* Grab the initial wep key, we gotta save it for auto_wep */
3932 rc = readWepKeyRid(ai, &wkr, 1, lock);
3933 if (rc == SUCCESS) do {
3934 lastindex = wkr.kindex;
3935 if (wkr.kindex == cpu_to_le16(0xffff)) {
3936 ai->defindex = wkr.mac[0];
3937 }
3938 rc = readWepKeyRid(ai, &wkr, 0, lock);
3939 } while(lastindex != wkr.kindex);
3940
3941 try_auto_wep(ai);
3942
3943 return SUCCESS;
3944 }
3945
3946 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3947 // Im really paranoid about letting it run forever!
3948 int max_tries = 600000;
3949
3950 if (IN4500(ai, EVSTAT) & EV_CMD)
3951 OUT4500(ai, EVACK, EV_CMD);
3952
3953 OUT4500(ai, PARAM0, pCmd->parm0);
3954 OUT4500(ai, PARAM1, pCmd->parm1);
3955 OUT4500(ai, PARAM2, pCmd->parm2);
3956 OUT4500(ai, COMMAND, pCmd->cmd);
3957
3958 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3959 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3960 // PC4500 didn't notice command, try again
3961 OUT4500(ai, COMMAND, pCmd->cmd);
3962 if (!in_atomic() && (max_tries & 255) == 0)
3963 schedule();
3964 }
3965
3966 if ( max_tries == -1 ) {
3967 airo_print_err(ai->dev->name,
3968 "Max tries exceeded when issuing command");
3969 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3970 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3971 return ERROR;
3972 }
3973
3974 // command completed
3975 pRsp->status = IN4500(ai, STATUS);
3976 pRsp->rsp0 = IN4500(ai, RESP0);
3977 pRsp->rsp1 = IN4500(ai, RESP1);
3978 pRsp->rsp2 = IN4500(ai, RESP2);
3979 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3980 airo_print_err(ai->dev->name,
3981 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3982 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3983 pRsp->rsp2);
3984
3985 // clear stuck command busy if necessary
3986 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3987 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3988 }
3989 // acknowledge processing the status/response
3990 OUT4500(ai, EVACK, EV_CMD);
3991
3992 return SUCCESS;
3993 }
3994
3995 /* Sets up the bap to start exchange data. whichbap should
3996 * be one of the BAP0 or BAP1 defines. Locks should be held before
3997 * calling! */
3998 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3999 {
4000 int timeout = 50;
4001 int max_tries = 3;
4002
4003 OUT4500(ai, SELECT0+whichbap, rid);
4004 OUT4500(ai, OFFSET0+whichbap, offset);
4005 while (1) {
4006 int status = IN4500(ai, OFFSET0+whichbap);
4007 if (status & BAP_BUSY) {
4008 /* This isn't really a timeout, but its kinda
4009 close */
4010 if (timeout--) {
4011 continue;
4012 }
4013 } else if ( status & BAP_ERR ) {
4014 /* invalid rid or offset */
4015 airo_print_err(ai->dev->name, "BAP error %x %d",
4016 status, whichbap );
4017 return ERROR;
4018 } else if (status & BAP_DONE) { // success
4019 return SUCCESS;
4020 }
4021 if ( !(max_tries--) ) {
4022 airo_print_err(ai->dev->name,
4023 "BAP setup error too many retries\n");
4024 return ERROR;
4025 }
4026 // -- PC4500 missed it, try again
4027 OUT4500(ai, SELECT0+whichbap, rid);
4028 OUT4500(ai, OFFSET0+whichbap, offset);
4029 timeout = 50;
4030 }
4031 }
4032
4033 /* should only be called by aux_bap_read. This aux function and the
4034 following use concepts not documented in the developers guide. I
4035 got them from a patch given to my by Aironet */
4036 static u16 aux_setup(struct airo_info *ai, u16 page,
4037 u16 offset, u16 *len)
4038 {
4039 u16 next;
4040
4041 OUT4500(ai, AUXPAGE, page);
4042 OUT4500(ai, AUXOFF, 0);
4043 next = IN4500(ai, AUXDATA);
4044 *len = IN4500(ai, AUXDATA)&0xff;
4045 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4046 return next;
4047 }
4048
4049 /* requires call to bap_setup() first */
4050 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4051 int bytelen, int whichbap)
4052 {
4053 u16 len;
4054 u16 page;
4055 u16 offset;
4056 u16 next;
4057 int words;
4058 int i;
4059 unsigned long flags;
4060
4061 spin_lock_irqsave(&ai->aux_lock, flags);
4062 page = IN4500(ai, SWS0+whichbap);
4063 offset = IN4500(ai, SWS2+whichbap);
4064 next = aux_setup(ai, page, offset, &len);
4065 words = (bytelen+1)>>1;
4066
4067 for (i=0; i<words;) {
4068 int count;
4069 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4070 if ( !do8bitIO )
4071 insw( ai->dev->base_addr+DATA0+whichbap,
4072 pu16Dst+i,count );
4073 else
4074 insb( ai->dev->base_addr+DATA0+whichbap,
4075 pu16Dst+i, count << 1 );
4076 i += count;
4077 if (i<words) {
4078 next = aux_setup(ai, next, 4, &len);
4079 }
4080 }
4081 spin_unlock_irqrestore(&ai->aux_lock, flags);
4082 return SUCCESS;
4083 }
4084
4085
4086 /* requires call to bap_setup() first */
4087 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4088 int bytelen, int whichbap)
4089 {
4090 bytelen = (bytelen + 1) & (~1); // round up to even value
4091 if ( !do8bitIO )
4092 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4093 else
4094 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4095 return SUCCESS;
4096 }
4097
4098 /* requires call to bap_setup() first */
4099 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4100 int bytelen, int whichbap)
4101 {
4102 bytelen = (bytelen + 1) & (~1); // round up to even value
4103 if ( !do8bitIO )
4104 outsw( ai->dev->base_addr+DATA0+whichbap,
4105 pu16Src, bytelen>>1 );
4106 else
4107 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4108 return SUCCESS;
4109 }
4110
4111 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4112 {
4113 Cmd cmd; /* for issuing commands */
4114 Resp rsp; /* response from commands */
4115 u16 status;
4116
4117 memset(&cmd, 0, sizeof(cmd));
4118 cmd.cmd = accmd;
4119 cmd.parm0 = rid;
4120 status = issuecommand(ai, &cmd, &rsp);
4121 if (status != 0) return status;
4122 if ( (rsp.status & 0x7F00) != 0) {
4123 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4124 }
4125 return 0;
4126 }
4127
4128 /* Note, that we are using BAP1 which is also used by transmit, so
4129 * we must get a lock. */
4130 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4131 {
4132 u16 status;
4133 int rc = SUCCESS;
4134
4135 if (lock) {
4136 if (down_interruptible(&ai->sem))
4137 return ERROR;
4138 }
4139 if (test_bit(FLAG_MPI,&ai->flags)) {
4140 Cmd cmd;
4141 Resp rsp;
4142
4143 memset(&cmd, 0, sizeof(cmd));
4144 memset(&rsp, 0, sizeof(rsp));
4145 ai->config_desc.rid_desc.valid = 1;
4146 ai->config_desc.rid_desc.len = RIDSIZE;
4147 ai->config_desc.rid_desc.rid = 0;
4148 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4149
4150 cmd.cmd = CMD_ACCESS;
4151 cmd.parm0 = rid;
4152
4153 memcpy_toio(ai->config_desc.card_ram_off,
4154 &ai->config_desc.rid_desc, sizeof(Rid));
4155
4156 rc = issuecommand(ai, &cmd, &rsp);
4157
4158 if (rsp.status & 0x7f00)
4159 rc = rsp.rsp0;
4160 if (!rc)
4161 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4162 goto done;
4163 } else {
4164 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4165 rc = status;
4166 goto done;
4167 }
4168 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4169 rc = ERROR;
4170 goto done;
4171 }
4172 // read the rid length field
4173 bap_read(ai, pBuf, 2, BAP1);
4174 // length for remaining part of rid
4175 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4176
4177 if ( len <= 2 ) {
4178 airo_print_err(ai->dev->name,
4179 "Rid %x has a length of %d which is too short",
4180 (int)rid, (int)len );
4181 rc = ERROR;
4182 goto done;
4183 }
4184 // read remainder of the rid
4185 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4186 }
4187 done:
4188 if (lock)
4189 up(&ai->sem);
4190 return rc;
4191 }
4192
4193 /* Note, that we are using BAP1 which is also used by transmit, so
4194 * make sure this isn't called when a transmit is happening */
4195 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4196 const void *pBuf, int len, int lock)
4197 {
4198 u16 status;
4199 int rc = SUCCESS;
4200
4201 *(__le16*)pBuf = cpu_to_le16((u16)len);
4202
4203 if (lock) {
4204 if (down_interruptible(&ai->sem))
4205 return ERROR;
4206 }
4207 if (test_bit(FLAG_MPI,&ai->flags)) {
4208 Cmd cmd;
4209 Resp rsp;
4210
4211 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4212 airo_print_err(ai->dev->name,
4213 "%s: MAC should be disabled (rid=%04x)",
4214 __func__, rid);
4215 memset(&cmd, 0, sizeof(cmd));
4216 memset(&rsp, 0, sizeof(rsp));
4217
4218 ai->config_desc.rid_desc.valid = 1;
4219 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4220 ai->config_desc.rid_desc.rid = 0;
4221
4222 cmd.cmd = CMD_WRITERID;
4223 cmd.parm0 = rid;
4224
4225 memcpy_toio(ai->config_desc.card_ram_off,
4226 &ai->config_desc.rid_desc, sizeof(Rid));
4227
4228 if (len < 4 || len > 2047) {
4229 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4230 rc = -1;
4231 } else {
4232 memcpy(ai->config_desc.virtual_host_addr,
4233 pBuf, len);
4234
4235 rc = issuecommand(ai, &cmd, &rsp);
4236 if ((rc & 0xff00) != 0) {
4237 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4238 __func__, rc);
4239 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4240 __func__, cmd.cmd);
4241 }
4242
4243 if ((rsp.status & 0x7f00))
4244 rc = rsp.rsp0;
4245 }
4246 } else {
4247 // --- first access so that we can write the rid data
4248 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4249 rc = status;
4250 goto done;
4251 }
4252 // --- now write the rid data
4253 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4254 rc = ERROR;
4255 goto done;
4256 }
4257 bap_write(ai, pBuf, len, BAP1);
4258 // ---now commit the rid data
4259 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4260 }
4261 done:
4262 if (lock)
4263 up(&ai->sem);
4264 return rc;
4265 }
4266
4267 /* Allocates a FID to be used for transmitting packets. We only use
4268 one for now. */
4269 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4270 {
4271 unsigned int loop = 3000;
4272 Cmd cmd;
4273 Resp rsp;
4274 u16 txFid;
4275 __le16 txControl;
4276
4277 cmd.cmd = CMD_ALLOCATETX;
4278 cmd.parm0 = lenPayload;
4279 if (down_interruptible(&ai->sem))
4280 return ERROR;
4281 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4282 txFid = ERROR;
4283 goto done;
4284 }
4285 if ( (rsp.status & 0xFF00) != 0) {
4286 txFid = ERROR;
4287 goto done;
4288 }
4289 /* wait for the allocate event/indication
4290 * It makes me kind of nervous that this can just sit here and spin,
4291 * but in practice it only loops like four times. */
4292 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4293 if (!loop) {
4294 txFid = ERROR;
4295 goto done;
4296 }
4297
4298 // get the allocated fid and acknowledge
4299 txFid = IN4500(ai, TXALLOCFID);
4300 OUT4500(ai, EVACK, EV_ALLOC);
4301
4302 /* The CARD is pretty cool since it converts the ethernet packet
4303 * into 802.11. Also note that we don't release the FID since we
4304 * will be using the same one over and over again. */
4305 /* We only have to setup the control once since we are not
4306 * releasing the fid. */
4307 if (raw)
4308 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4309 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4310 else
4311 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4312 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4313 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4314 txFid = ERROR;
4315 else
4316 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4317
4318 done:
4319 up(&ai->sem);
4320
4321 return txFid;
4322 }
4323
4324 /* In general BAP1 is dedicated to transmiting packets. However,
4325 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4326 Make sure the BAP1 spinlock is held when this is called. */
4327 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4328 {
4329 __le16 payloadLen;
4330 Cmd cmd;
4331 Resp rsp;
4332 int miclen = 0;
4333 u16 txFid = len;
4334 MICBuffer pMic;
4335
4336 len >>= 16;
4337
4338 if (len <= ETH_ALEN * 2) {
4339 airo_print_warn(ai->dev->name, "Short packet %d", len);
4340 return ERROR;
4341 }
4342 len -= ETH_ALEN * 2;
4343
4344 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4345 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4346 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4347 return ERROR;
4348 miclen = sizeof(pMic);
4349 }
4350 // packet is destination[6], source[6], payload[len-12]
4351 // write the payload length and dst/src/payload
4352 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4353 /* The hardware addresses aren't counted as part of the payload, so
4354 * we have to subtract the 12 bytes for the addresses off */
4355 payloadLen = cpu_to_le16(len + miclen);
4356 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4357 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4358 if (miclen)
4359 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4360 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4361 // issue the transmit command
4362 memset( &cmd, 0, sizeof( cmd ) );
4363 cmd.cmd = CMD_TRANSMIT;
4364 cmd.parm0 = txFid;
4365 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4366 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4367 return SUCCESS;
4368 }
4369
4370 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4371 {
4372 __le16 fc, payloadLen;
4373 Cmd cmd;
4374 Resp rsp;
4375 int hdrlen;
4376 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4377 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4378 u16 txFid = len;
4379 len >>= 16;
4380
4381 fc = *(__le16*)pPacket;
4382 hdrlen = header_len(fc);
4383
4384 if (len < hdrlen) {
4385 airo_print_warn(ai->dev->name, "Short packet %d", len);
4386 return ERROR;
4387 }
4388
4389 /* packet is 802.11 header + payload
4390 * write the payload length and dst/src/payload */
4391 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4392 /* The 802.11 header aren't counted as part of the payload, so
4393 * we have to subtract the header bytes off */
4394 payloadLen = cpu_to_le16(len-hdrlen);
4395 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4396 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4397 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4398 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4399
4400 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4401 // issue the transmit command
4402 memset( &cmd, 0, sizeof( cmd ) );
4403 cmd.cmd = CMD_TRANSMIT;
4404 cmd.parm0 = txFid;
4405 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4406 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4407 return SUCCESS;
4408 }
4409
4410 /*
4411 * This is the proc_fs routines. It is a bit messier than I would
4412 * like! Feel free to clean it up!
4413 */
4414
4415 static ssize_t proc_read( struct file *file,
4416 char __user *buffer,
4417 size_t len,
4418 loff_t *offset);
4419
4420 static ssize_t proc_write( struct file *file,
4421 const char __user *buffer,
4422 size_t len,
4423 loff_t *offset );
4424 static int proc_close( struct inode *inode, struct file *file );
4425
4426 static int proc_stats_open( struct inode *inode, struct file *file );
4427 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4428 static int proc_status_open( struct inode *inode, struct file *file );
4429 static int proc_SSID_open( struct inode *inode, struct file *file );
4430 static int proc_APList_open( struct inode *inode, struct file *file );
4431 static int proc_BSSList_open( struct inode *inode, struct file *file );
4432 static int proc_config_open( struct inode *inode, struct file *file );
4433 static int proc_wepkey_open( struct inode *inode, struct file *file );
4434
4435 static const struct proc_ops proc_statsdelta_ops = {
4436 .proc_read = proc_read,
4437 .proc_open = proc_statsdelta_open,
4438 .proc_release = proc_close,
4439 .proc_lseek = default_llseek,
4440 };
4441
4442 static const struct proc_ops proc_stats_ops = {
4443 .proc_read = proc_read,
4444 .proc_open = proc_stats_open,
4445 .proc_release = proc_close,
4446 .proc_lseek = default_llseek,
4447 };
4448
4449 static const struct proc_ops proc_status_ops = {
4450 .proc_read = proc_read,
4451 .proc_open = proc_status_open,
4452 .proc_release = proc_close,
4453 .proc_lseek = default_llseek,
4454 };
4455
4456 static const struct proc_ops proc_SSID_ops = {
4457 .proc_read = proc_read,
4458 .proc_write = proc_write,
4459 .proc_open = proc_SSID_open,
4460 .proc_release = proc_close,
4461 .proc_lseek = default_llseek,
4462 };
4463
4464 static const struct proc_ops proc_BSSList_ops = {
4465 .proc_read = proc_read,
4466 .proc_write = proc_write,
4467 .proc_open = proc_BSSList_open,
4468 .proc_release = proc_close,
4469 .proc_lseek = default_llseek,
4470 };
4471
4472 static const struct proc_ops proc_APList_ops = {
4473 .proc_read = proc_read,
4474 .proc_write = proc_write,
4475 .proc_open = proc_APList_open,
4476 .proc_release = proc_close,
4477 .proc_lseek = default_llseek,
4478 };
4479
4480 static const struct proc_ops proc_config_ops = {
4481 .proc_read = proc_read,
4482 .proc_write = proc_write,
4483 .proc_open = proc_config_open,
4484 .proc_release = proc_close,
4485 .proc_lseek = default_llseek,
4486 };
4487
4488 static const struct proc_ops proc_wepkey_ops = {
4489 .proc_read = proc_read,
4490 .proc_write = proc_write,
4491 .proc_open = proc_wepkey_open,
4492 .proc_release = proc_close,
4493 .proc_lseek = default_llseek,
4494 };
4495
4496 static struct proc_dir_entry *airo_entry;
4497
4498 struct proc_data {
4499 int release_buffer;
4500 int readlen;
4501 char *rbuffer;
4502 int writelen;
4503 int maxwritelen;
4504 char *wbuffer;
4505 void (*on_close) (struct inode *, struct file *);
4506 };
4507
4508 static int setup_proc_entry( struct net_device *dev,
4509 struct airo_info *apriv ) {
4510 struct proc_dir_entry *entry;
4511
4512 /* First setup the device directory */
4513 strcpy(apriv->proc_name,dev->name);
4514 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4515 airo_entry);
4516 if (!apriv->proc_entry)
4517 return -ENOMEM;
4518 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4519
4520 /* Setup the StatsDelta */
4521 entry = proc_create_data("StatsDelta", 0444 & proc_perm,
4522 apriv->proc_entry, &proc_statsdelta_ops, dev);
4523 if (!entry)
4524 goto fail;
4525 proc_set_user(entry, proc_kuid, proc_kgid);
4526
4527 /* Setup the Stats */
4528 entry = proc_create_data("Stats", 0444 & proc_perm,
4529 apriv->proc_entry, &proc_stats_ops, dev);
4530 if (!entry)
4531 goto fail;
4532 proc_set_user(entry, proc_kuid, proc_kgid);
4533
4534 /* Setup the Status */
4535 entry = proc_create_data("Status", 0444 & proc_perm,
4536 apriv->proc_entry, &proc_status_ops, dev);
4537 if (!entry)
4538 goto fail;
4539 proc_set_user(entry, proc_kuid, proc_kgid);
4540
4541 /* Setup the Config */
4542 entry = proc_create_data("Config", proc_perm,
4543 apriv->proc_entry, &proc_config_ops, dev);
4544 if (!entry)
4545 goto fail;
4546 proc_set_user(entry, proc_kuid, proc_kgid);
4547
4548 /* Setup the SSID */
4549 entry = proc_create_data("SSID", proc_perm,
4550 apriv->proc_entry, &proc_SSID_ops, dev);
4551 if (!entry)
4552 goto fail;
4553 proc_set_user(entry, proc_kuid, proc_kgid);
4554
4555 /* Setup the APList */
4556 entry = proc_create_data("APList", proc_perm,
4557 apriv->proc_entry, &proc_APList_ops, dev);
4558 if (!entry)
4559 goto fail;
4560 proc_set_user(entry, proc_kuid, proc_kgid);
4561
4562 /* Setup the BSSList */
4563 entry = proc_create_data("BSSList", proc_perm,
4564 apriv->proc_entry, &proc_BSSList_ops, dev);
4565 if (!entry)
4566 goto fail;
4567 proc_set_user(entry, proc_kuid, proc_kgid);
4568
4569 /* Setup the WepKey */
4570 entry = proc_create_data("WepKey", proc_perm,
4571 apriv->proc_entry, &proc_wepkey_ops, dev);
4572 if (!entry)
4573 goto fail;
4574 proc_set_user(entry, proc_kuid, proc_kgid);
4575 return 0;
4576
4577 fail:
4578 remove_proc_subtree(apriv->proc_name, airo_entry);
4579 return -ENOMEM;
4580 }
4581
4582 static int takedown_proc_entry( struct net_device *dev,
4583 struct airo_info *apriv )
4584 {
4585 remove_proc_subtree(apriv->proc_name, airo_entry);
4586 return 0;
4587 }
4588
4589 /*
4590 * What we want from the proc_fs is to be able to efficiently read
4591 * and write the configuration. To do this, we want to read the
4592 * configuration when the file is opened and write it when the file is
4593 * closed. So basically we allocate a read buffer at open and fill it
4594 * with data, and allocate a write buffer and read it at close.
4595 */
4596
4597 /*
4598 * The read routine is generic, it relies on the preallocated rbuffer
4599 * to supply the data.
4600 */
4601 static ssize_t proc_read( struct file *file,
4602 char __user *buffer,
4603 size_t len,
4604 loff_t *offset )
4605 {
4606 struct proc_data *priv = file->private_data;
4607
4608 if (!priv->rbuffer)
4609 return -EINVAL;
4610
4611 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4612 priv->readlen);
4613 }
4614
4615 /*
4616 * The write routine is generic, it fills in a preallocated rbuffer
4617 * to supply the data.
4618 */
4619 static ssize_t proc_write( struct file *file,
4620 const char __user *buffer,
4621 size_t len,
4622 loff_t *offset )
4623 {
4624 ssize_t ret;
4625 struct proc_data *priv = file->private_data;
4626
4627 if (!priv->wbuffer)
4628 return -EINVAL;
4629
4630 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4631 buffer, len);
4632 if (ret > 0)
4633 priv->writelen = max_t(int, priv->writelen, *offset);
4634
4635 return ret;
4636 }
4637
4638 static int proc_status_open(struct inode *inode, struct file *file)
4639 {
4640 struct proc_data *data;
4641 struct net_device *dev = PDE_DATA(inode);
4642 struct airo_info *apriv = dev->ml_priv;
4643 CapabilityRid cap_rid;
4644 StatusRid status_rid;
4645 u16 mode;
4646 int i;
4647
4648 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4649 return -ENOMEM;
4650 data = file->private_data;
4651 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4652 kfree (file->private_data);
4653 return -ENOMEM;
4654 }
4655
4656 readStatusRid(apriv, &status_rid, 1);
4657 readCapabilityRid(apriv, &cap_rid, 1);
4658
4659 mode = le16_to_cpu(status_rid.mode);
4660
4661 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4662 mode & 1 ? "CFG ": "",
4663 mode & 2 ? "ACT ": "",
4664 mode & 0x10 ? "SYN ": "",
4665 mode & 0x20 ? "LNK ": "",
4666 mode & 0x40 ? "LEAP ": "",
4667 mode & 0x80 ? "PRIV ": "",
4668 mode & 0x100 ? "KEY ": "",
4669 mode & 0x200 ? "WEP ": "",
4670 mode & 0x8000 ? "ERR ": "");
4671 sprintf( data->rbuffer+i, "Mode: %x\n"
4672 "Signal Strength: %d\n"
4673 "Signal Quality: %d\n"
4674 "SSID: %-.*s\n"
4675 "AP: %-.16s\n"
4676 "Freq: %d\n"
4677 "BitRate: %dmbs\n"
4678 "Driver Version: %s\n"
4679 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4680 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4681 "Software Version: %x\nSoftware Subversion: %x\n"
4682 "Boot block version: %x\n",
4683 le16_to_cpu(status_rid.mode),
4684 le16_to_cpu(status_rid.normalizedSignalStrength),
4685 le16_to_cpu(status_rid.signalQuality),
4686 le16_to_cpu(status_rid.SSIDlen),
4687 status_rid.SSID,
4688 status_rid.apName,
4689 le16_to_cpu(status_rid.channel),
4690 le16_to_cpu(status_rid.currentXmitRate) / 2,
4691 version,
4692 cap_rid.prodName,
4693 cap_rid.manName,
4694 cap_rid.prodVer,
4695 le16_to_cpu(cap_rid.radioType),
4696 le16_to_cpu(cap_rid.country),
4697 le16_to_cpu(cap_rid.hardVer),
4698 le16_to_cpu(cap_rid.softVer),
4699 le16_to_cpu(cap_rid.softSubVer),
4700 le16_to_cpu(cap_rid.bootBlockVer));
4701 data->readlen = strlen( data->rbuffer );
4702 return 0;
4703 }
4704
4705 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4706 static int proc_statsdelta_open( struct inode *inode,
4707 struct file *file ) {
4708 if (file->f_mode&FMODE_WRITE) {
4709 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4710 }
4711 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4712 }
4713
4714 static int proc_stats_open( struct inode *inode, struct file *file ) {
4715 return proc_stats_rid_open(inode, file, RID_STATS);
4716 }
4717
4718 static int proc_stats_rid_open( struct inode *inode,
4719 struct file *file,
4720 u16 rid )
4721 {
4722 struct proc_data *data;
4723 struct net_device *dev = PDE_DATA(inode);
4724 struct airo_info *apriv = dev->ml_priv;
4725 StatsRid stats;
4726 int i, j;
4727 __le32 *vals = stats.vals;
4728 int len;
4729
4730 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4731 return -ENOMEM;
4732 data = file->private_data;
4733 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4734 kfree (file->private_data);
4735 return -ENOMEM;
4736 }
4737
4738 readStatsRid(apriv, &stats, rid, 1);
4739 len = le16_to_cpu(stats.len);
4740
4741 j = 0;
4742 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4743 if (!statsLabels[i]) continue;
4744 if (j+strlen(statsLabels[i])+16>4096) {
4745 airo_print_warn(apriv->dev->name,
4746 "Potentially disastrous buffer overflow averted!");
4747 break;
4748 }
4749 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4750 le32_to_cpu(vals[i]));
4751 }
4752 if (i*4 >= len) {
4753 airo_print_warn(apriv->dev->name, "Got a short rid");
4754 }
4755 data->readlen = j;
4756 return 0;
4757 }
4758
4759 static int get_dec_u16( char *buffer, int *start, int limit ) {
4760 u16 value;
4761 int valid = 0;
4762 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4763 buffer[*start] <= '9'; (*start)++) {
4764 valid = 1;
4765 value *= 10;
4766 value += buffer[*start] - '0';
4767 }
4768 if ( !valid ) return -1;
4769 return value;
4770 }
4771
4772 static int airo_config_commit(struct net_device *dev,
4773 struct iw_request_info *info, void *zwrq,
4774 char *extra);
4775
4776 static inline int sniffing_mode(struct airo_info *ai)
4777 {
4778 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4779 le16_to_cpu(RXMODE_RFMON);
4780 }
4781
4782 static void proc_config_on_close(struct inode *inode, struct file *file)
4783 {
4784 struct proc_data *data = file->private_data;
4785 struct net_device *dev = PDE_DATA(inode);
4786 struct airo_info *ai = dev->ml_priv;
4787 char *line;
4788
4789 if ( !data->writelen ) return;
4790
4791 readConfigRid(ai, 1);
4792 set_bit (FLAG_COMMIT, &ai->flags);
4793
4794 line = data->wbuffer;
4795 while( line[0] ) {
4796 /*** Mode processing */
4797 if ( !strncmp( line, "Mode: ", 6 ) ) {
4798 line += 6;
4799 if (sniffing_mode(ai))
4800 set_bit (FLAG_RESET, &ai->flags);
4801 ai->config.rmode &= ~RXMODE_FULL_MASK;
4802 clear_bit (FLAG_802_11, &ai->flags);
4803 ai->config.opmode &= ~MODE_CFG_MASK;
4804 ai->config.scanMode = SCANMODE_ACTIVE;
4805 if ( line[0] == 'a' ) {
4806 ai->config.opmode |= MODE_STA_IBSS;
4807 } else {
4808 ai->config.opmode |= MODE_STA_ESS;
4809 if ( line[0] == 'r' ) {
4810 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4811 ai->config.scanMode = SCANMODE_PASSIVE;
4812 set_bit (FLAG_802_11, &ai->flags);
4813 } else if ( line[0] == 'y' ) {
4814 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4815 ai->config.scanMode = SCANMODE_PASSIVE;
4816 set_bit (FLAG_802_11, &ai->flags);
4817 } else if ( line[0] == 'l' )
4818 ai->config.rmode |= RXMODE_LANMON;
4819 }
4820 set_bit (FLAG_COMMIT, &ai->flags);
4821 }
4822
4823 /*** Radio status */
4824 else if (!strncmp(line,"Radio: ", 7)) {
4825 line += 7;
4826 if (!strncmp(line,"off",3)) {
4827 set_bit (FLAG_RADIO_OFF, &ai->flags);
4828 } else {
4829 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4830 }
4831 }
4832 /*** NodeName processing */
4833 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4834 int j;
4835
4836 line += 10;
4837 memset( ai->config.nodeName, 0, 16 );
4838 /* Do the name, assume a space between the mode and node name */
4839 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4840 ai->config.nodeName[j] = line[j];
4841 }
4842 set_bit (FLAG_COMMIT, &ai->flags);
4843 }
4844
4845 /*** PowerMode processing */
4846 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4847 line += 11;
4848 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4849 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4850 set_bit (FLAG_COMMIT, &ai->flags);
4851 } else if ( !strncmp( line, "PSP", 3 ) ) {
4852 ai->config.powerSaveMode = POWERSAVE_PSP;
4853 set_bit (FLAG_COMMIT, &ai->flags);
4854 } else {
4855 ai->config.powerSaveMode = POWERSAVE_CAM;
4856 set_bit (FLAG_COMMIT, &ai->flags);
4857 }
4858 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4859 int v, i = 0, k = 0; /* i is index into line,
4860 k is index to rates */
4861
4862 line += 11;
4863 while((v = get_dec_u16(line, &i, 3))!=-1) {
4864 ai->config.rates[k++] = (u8)v;
4865 line += i + 1;
4866 i = 0;
4867 }
4868 set_bit (FLAG_COMMIT, &ai->flags);
4869 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4870 int v, i = 0;
4871 line += 9;
4872 v = get_dec_u16(line, &i, i+3);
4873 if ( v != -1 ) {
4874 ai->config.channelSet = cpu_to_le16(v);
4875 set_bit (FLAG_COMMIT, &ai->flags);
4876 }
4877 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4878 int v, i = 0;
4879 line += 11;
4880 v = get_dec_u16(line, &i, i+3);
4881 if ( v != -1 ) {
4882 ai->config.txPower = cpu_to_le16(v);
4883 set_bit (FLAG_COMMIT, &ai->flags);
4884 }
4885 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4886 line += 5;
4887 switch( line[0] ) {
4888 case 's':
4889 set_auth_type(ai, AUTH_SHAREDKEY);
4890 break;
4891 case 'e':
4892 set_auth_type(ai, AUTH_ENCRYPT);
4893 break;
4894 default:
4895 set_auth_type(ai, AUTH_OPEN);
4896 break;
4897 }
4898 set_bit (FLAG_COMMIT, &ai->flags);
4899 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4900 int v, i = 0;
4901
4902 line += 16;
4903 v = get_dec_u16(line, &i, 3);
4904 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4905 ai->config.longRetryLimit = cpu_to_le16(v);
4906 set_bit (FLAG_COMMIT, &ai->flags);
4907 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4908 int v, i = 0;
4909
4910 line += 17;
4911 v = get_dec_u16(line, &i, 3);
4912 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4913 ai->config.shortRetryLimit = cpu_to_le16(v);
4914 set_bit (FLAG_COMMIT, &ai->flags);
4915 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4916 int v, i = 0;
4917
4918 line += 14;
4919 v = get_dec_u16(line, &i, 4);
4920 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4921 ai->config.rtsThres = cpu_to_le16(v);
4922 set_bit (FLAG_COMMIT, &ai->flags);
4923 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4924 int v, i = 0;
4925
4926 line += 16;
4927 v = get_dec_u16(line, &i, 5);
4928 v = (v<0) ? 0 : v;
4929 ai->config.txLifetime = cpu_to_le16(v);
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4932 int v, i = 0;
4933
4934 line += 16;
4935 v = get_dec_u16(line, &i, 5);
4936 v = (v<0) ? 0 : v;
4937 ai->config.rxLifetime = cpu_to_le16(v);
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4940 ai->config.txDiversity =
4941 (line[13]=='l') ? 1 :
4942 ((line[13]=='r')? 2: 3);
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4945 ai->config.rxDiversity =
4946 (line[13]=='l') ? 1 :
4947 ((line[13]=='r')? 2: 3);
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4950 int v, i = 0;
4951
4952 line += 15;
4953 v = get_dec_u16(line, &i, 4);
4954 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4955 v = v & 0xfffe; /* Make sure its even */
4956 ai->config.fragThresh = cpu_to_le16(v);
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if (!strncmp(line, "Modulation: ", 12)) {
4959 line += 12;
4960 switch(*line) {
4961 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4962 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4963 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4964 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4965 }
4966 } else if (!strncmp(line, "Preamble: ", 10)) {
4967 line += 10;
4968 switch(*line) {
4969 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4970 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4971 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4972 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4973 }
4974 } else {
4975 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4976 }
4977 while( line[0] && line[0] != '\n' ) line++;
4978 if ( line[0] ) line++;
4979 }
4980 airo_config_commit(dev, NULL, NULL, NULL);
4981 }
4982
4983 static const char *get_rmode(__le16 mode)
4984 {
4985 switch(mode & RXMODE_MASK) {
4986 case RXMODE_RFMON: return "rfmon";
4987 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4988 case RXMODE_LANMON: return "lanmon";
4989 }
4990 return "ESS";
4991 }
4992
4993 static int proc_config_open(struct inode *inode, struct file *file)
4994 {
4995 struct proc_data *data;
4996 struct net_device *dev = PDE_DATA(inode);
4997 struct airo_info *ai = dev->ml_priv;
4998 int i;
4999 __le16 mode;
5000
5001 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5002 return -ENOMEM;
5003 data = file->private_data;
5004 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5005 kfree (file->private_data);
5006 return -ENOMEM;
5007 }
5008 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5009 kfree (data->rbuffer);
5010 kfree (file->private_data);
5011 return -ENOMEM;
5012 }
5013 data->maxwritelen = 2048;
5014 data->on_close = proc_config_on_close;
5015
5016 readConfigRid(ai, 1);
5017
5018 mode = ai->config.opmode & MODE_CFG_MASK;
5019 i = sprintf( data->rbuffer,
5020 "Mode: %s\n"
5021 "Radio: %s\n"
5022 "NodeName: %-16s\n"
5023 "PowerMode: %s\n"
5024 "DataRates: %d %d %d %d %d %d %d %d\n"
5025 "Channel: %d\n"
5026 "XmitPower: %d\n",
5027 mode == MODE_STA_IBSS ? "adhoc" :
5028 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5029 mode == MODE_AP ? "AP" :
5030 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5031 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5032 ai->config.nodeName,
5033 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5034 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5035 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5036 "Error",
5037 (int)ai->config.rates[0],
5038 (int)ai->config.rates[1],
5039 (int)ai->config.rates[2],
5040 (int)ai->config.rates[3],
5041 (int)ai->config.rates[4],
5042 (int)ai->config.rates[5],
5043 (int)ai->config.rates[6],
5044 (int)ai->config.rates[7],
5045 le16_to_cpu(ai->config.channelSet),
5046 le16_to_cpu(ai->config.txPower)
5047 );
5048 sprintf( data->rbuffer + i,
5049 "LongRetryLimit: %d\n"
5050 "ShortRetryLimit: %d\n"
5051 "RTSThreshold: %d\n"
5052 "TXMSDULifetime: %d\n"
5053 "RXMSDULifetime: %d\n"
5054 "TXDiversity: %s\n"
5055 "RXDiversity: %s\n"
5056 "FragThreshold: %d\n"
5057 "WEP: %s\n"
5058 "Modulation: %s\n"
5059 "Preamble: %s\n",
5060 le16_to_cpu(ai->config.longRetryLimit),
5061 le16_to_cpu(ai->config.shortRetryLimit),
5062 le16_to_cpu(ai->config.rtsThres),
5063 le16_to_cpu(ai->config.txLifetime),
5064 le16_to_cpu(ai->config.rxLifetime),
5065 ai->config.txDiversity == 1 ? "left" :
5066 ai->config.txDiversity == 2 ? "right" : "both",
5067 ai->config.rxDiversity == 1 ? "left" :
5068 ai->config.rxDiversity == 2 ? "right" : "both",
5069 le16_to_cpu(ai->config.fragThresh),
5070 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5071 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5072 ai->config.modulation == MOD_DEFAULT ? "default" :
5073 ai->config.modulation == MOD_CCK ? "cck" :
5074 ai->config.modulation == MOD_MOK ? "mok" : "error",
5075 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5076 ai->config.preamble == PREAMBLE_LONG ? "long" :
5077 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5078 );
5079 data->readlen = strlen( data->rbuffer );
5080 return 0;
5081 }
5082
5083 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5084 {
5085 struct proc_data *data = file->private_data;
5086 struct net_device *dev = PDE_DATA(inode);
5087 struct airo_info *ai = dev->ml_priv;
5088 SsidRid SSID_rid;
5089 int i;
5090 char *p = data->wbuffer;
5091 char *end = p + data->writelen;
5092
5093 if (!data->writelen)
5094 return;
5095
5096 *end = '\n'; /* sentinel; we have space for it */
5097
5098 memset(&SSID_rid, 0, sizeof(SSID_rid));
5099
5100 for (i = 0; i < 3 && p < end; i++) {
5101 int j = 0;
5102 /* copy up to 32 characters from this line */
5103 while (*p != '\n' && j < 32)
5104 SSID_rid.ssids[i].ssid[j++] = *p++;
5105 if (j == 0)
5106 break;
5107 SSID_rid.ssids[i].len = cpu_to_le16(j);
5108 /* skip to the beginning of the next line */
5109 while (*p++ != '\n')
5110 ;
5111 }
5112 if (i)
5113 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5114 disable_MAC(ai, 1);
5115 writeSsidRid(ai, &SSID_rid, 1);
5116 enable_MAC(ai, 1);
5117 }
5118
5119 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5120 struct proc_data *data = file->private_data;
5121 struct net_device *dev = PDE_DATA(inode);
5122 struct airo_info *ai = dev->ml_priv;
5123 APListRid *APList_rid = &ai->APList;
5124 int i;
5125
5126 if ( !data->writelen ) return;
5127
5128 memset(APList_rid, 0, sizeof(*APList_rid));
5129 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5130
5131 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5132 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5133
5134 disable_MAC(ai, 1);
5135 writeAPListRid(ai, APList_rid, 1);
5136 enable_MAC(ai, 1);
5137 }
5138
5139 /* This function wraps PC4500_writerid with a MAC disable */
5140 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5141 int len, int dummy ) {
5142 int rc;
5143
5144 disable_MAC(ai, 1);
5145 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5146 enable_MAC(ai, 1);
5147 return rc;
5148 }
5149
5150 /* Returns the WEP key at the specified index, or -1 if that key does
5151 * not exist. The buffer is assumed to be at least 16 bytes in length.
5152 */
5153 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5154 {
5155 WepKeyRid wkr;
5156 int rc;
5157 __le16 lastindex;
5158
5159 rc = readWepKeyRid(ai, &wkr, 1, 1);
5160 if (rc != SUCCESS)
5161 return -1;
5162 do {
5163 lastindex = wkr.kindex;
5164 if (le16_to_cpu(wkr.kindex) == index) {
5165 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5166 memcpy(buf, wkr.key, klen);
5167 return klen;
5168 }
5169 rc = readWepKeyRid(ai, &wkr, 0, 1);
5170 if (rc != SUCCESS)
5171 return -1;
5172 } while (lastindex != wkr.kindex);
5173 return -1;
5174 }
5175
5176 static int get_wep_tx_idx(struct airo_info *ai)
5177 {
5178 WepKeyRid wkr;
5179 int rc;
5180 __le16 lastindex;
5181
5182 rc = readWepKeyRid(ai, &wkr, 1, 1);
5183 if (rc != SUCCESS)
5184 return -1;
5185 do {
5186 lastindex = wkr.kindex;
5187 if (wkr.kindex == cpu_to_le16(0xffff))
5188 return wkr.mac[0];
5189 rc = readWepKeyRid(ai, &wkr, 0, 1);
5190 if (rc != SUCCESS)
5191 return -1;
5192 } while (lastindex != wkr.kindex);
5193 return -1;
5194 }
5195
5196 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5197 u16 keylen, int perm, int lock)
5198 {
5199 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5200 WepKeyRid wkr;
5201 int rc;
5202
5203 if (WARN_ON(keylen == 0))
5204 return -1;
5205
5206 memset(&wkr, 0, sizeof(wkr));
5207 wkr.len = cpu_to_le16(sizeof(wkr));
5208 wkr.kindex = cpu_to_le16(index);
5209 wkr.klen = cpu_to_le16(keylen);
5210 memcpy(wkr.key, key, keylen);
5211 memcpy(wkr.mac, macaddr, ETH_ALEN);
5212
5213 if (perm) disable_MAC(ai, lock);
5214 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5215 if (perm) enable_MAC(ai, lock);
5216 return rc;
5217 }
5218
5219 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5220 {
5221 WepKeyRid wkr;
5222 int rc;
5223
5224 memset(&wkr, 0, sizeof(wkr));
5225 wkr.len = cpu_to_le16(sizeof(wkr));
5226 wkr.kindex = cpu_to_le16(0xffff);
5227 wkr.mac[0] = (char)index;
5228
5229 if (perm) {
5230 ai->defindex = (char)index;
5231 disable_MAC(ai, lock);
5232 }
5233
5234 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5235
5236 if (perm)
5237 enable_MAC(ai, lock);
5238 return rc;
5239 }
5240
5241 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5242 struct proc_data *data;
5243 struct net_device *dev = PDE_DATA(inode);
5244 struct airo_info *ai = dev->ml_priv;
5245 int i, rc;
5246 char key[16];
5247 u16 index = 0;
5248 int j = 0;
5249
5250 memset(key, 0, sizeof(key));
5251
5252 data = file->private_data;
5253 if ( !data->writelen ) return;
5254
5255 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5256 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5257 index = data->wbuffer[0] - '0';
5258 if (data->wbuffer[1] == '\n') {
5259 rc = set_wep_tx_idx(ai, index, 1, 1);
5260 if (rc < 0) {
5261 airo_print_err(ai->dev->name, "failed to set "
5262 "WEP transmit index to %d: %d.",
5263 index, rc);
5264 }
5265 return;
5266 }
5267 j = 2;
5268 } else {
5269 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5270 return;
5271 }
5272
5273 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5274 switch(i%3) {
5275 case 0:
5276 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5277 break;
5278 case 1:
5279 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5280 break;
5281 }
5282 }
5283
5284 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5285 if (rc < 0) {
5286 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5287 "%d: %d.", index, rc);
5288 }
5289 }
5290
5291 static int proc_wepkey_open( struct inode *inode, struct file *file )
5292 {
5293 struct proc_data *data;
5294 struct net_device *dev = PDE_DATA(inode);
5295 struct airo_info *ai = dev->ml_priv;
5296 char *ptr;
5297 WepKeyRid wkr;
5298 __le16 lastindex;
5299 int j=0;
5300 int rc;
5301
5302 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5303 return -ENOMEM;
5304 memset(&wkr, 0, sizeof(wkr));
5305 data = file->private_data;
5306 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5307 kfree (file->private_data);
5308 return -ENOMEM;
5309 }
5310 data->writelen = 0;
5311 data->maxwritelen = 80;
5312 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5313 kfree (data->rbuffer);
5314 kfree (file->private_data);
5315 return -ENOMEM;
5316 }
5317 data->on_close = proc_wepkey_on_close;
5318
5319 ptr = data->rbuffer;
5320 strcpy(ptr, "No wep keys\n");
5321 rc = readWepKeyRid(ai, &wkr, 1, 1);
5322 if (rc == SUCCESS) do {
5323 lastindex = wkr.kindex;
5324 if (wkr.kindex == cpu_to_le16(0xffff)) {
5325 j += sprintf(ptr+j, "Tx key = %d\n",
5326 (int)wkr.mac[0]);
5327 } else {
5328 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5329 le16_to_cpu(wkr.kindex),
5330 le16_to_cpu(wkr.klen));
5331 }
5332 readWepKeyRid(ai, &wkr, 0, 1);
5333 } while((lastindex != wkr.kindex) && (j < 180-30));
5334
5335 data->readlen = strlen( data->rbuffer );
5336 return 0;
5337 }
5338
5339 static int proc_SSID_open(struct inode *inode, struct file *file)
5340 {
5341 struct proc_data *data;
5342 struct net_device *dev = PDE_DATA(inode);
5343 struct airo_info *ai = dev->ml_priv;
5344 int i;
5345 char *ptr;
5346 SsidRid SSID_rid;
5347
5348 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5349 return -ENOMEM;
5350 data = file->private_data;
5351 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5352 kfree (file->private_data);
5353 return -ENOMEM;
5354 }
5355 data->writelen = 0;
5356 data->maxwritelen = 33*3;
5357 /* allocate maxwritelen + 1; we'll want a sentinel */
5358 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5359 kfree (data->rbuffer);
5360 kfree (file->private_data);
5361 return -ENOMEM;
5362 }
5363 data->on_close = proc_SSID_on_close;
5364
5365 readSsidRid(ai, &SSID_rid);
5366 ptr = data->rbuffer;
5367 for (i = 0; i < 3; i++) {
5368 int j;
5369 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5370 if (!len)
5371 break;
5372 if (len > 32)
5373 len = 32;
5374 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5375 *ptr++ = SSID_rid.ssids[i].ssid[j];
5376 *ptr++ = '\n';
5377 }
5378 *ptr = '\0';
5379 data->readlen = strlen( data->rbuffer );
5380 return 0;
5381 }
5382
5383 static int proc_APList_open( struct inode *inode, struct file *file ) {
5384 struct proc_data *data;
5385 struct net_device *dev = PDE_DATA(inode);
5386 struct airo_info *ai = dev->ml_priv;
5387 int i;
5388 char *ptr;
5389 APListRid *APList_rid = &ai->APList;
5390
5391 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5392 return -ENOMEM;
5393 data = file->private_data;
5394 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5395 kfree (file->private_data);
5396 return -ENOMEM;
5397 }
5398 data->writelen = 0;
5399 data->maxwritelen = 4*6*3;
5400 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5401 kfree (data->rbuffer);
5402 kfree (file->private_data);
5403 return -ENOMEM;
5404 }
5405 data->on_close = proc_APList_on_close;
5406
5407 ptr = data->rbuffer;
5408 for( i = 0; i < 4; i++ ) {
5409 // We end when we find a zero MAC
5410 if ( !*(int*)APList_rid->ap[i] &&
5411 !*(int*)&APList_rid->ap[i][2]) break;
5412 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5413 }
5414 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5415
5416 *ptr = '\0';
5417 data->readlen = strlen( data->rbuffer );
5418 return 0;
5419 }
5420
5421 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5422 struct proc_data *data;
5423 struct net_device *dev = PDE_DATA(inode);
5424 struct airo_info *ai = dev->ml_priv;
5425 char *ptr;
5426 BSSListRid BSSList_rid;
5427 int rc;
5428 /* If doLoseSync is not 1, we won't do a Lose Sync */
5429 int doLoseSync = -1;
5430
5431 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5432 return -ENOMEM;
5433 data = file->private_data;
5434 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5435 kfree (file->private_data);
5436 return -ENOMEM;
5437 }
5438 data->writelen = 0;
5439 data->maxwritelen = 0;
5440 data->wbuffer = NULL;
5441 data->on_close = NULL;
5442
5443 if (file->f_mode & FMODE_WRITE) {
5444 if (!(file->f_mode & FMODE_READ)) {
5445 Cmd cmd;
5446 Resp rsp;
5447
5448 if (ai->flags & FLAG_RADIO_MASK) {
5449 kfree(data->rbuffer);
5450 kfree(file->private_data);
5451 return -ENETDOWN;
5452 }
5453 memset(&cmd, 0, sizeof(cmd));
5454 cmd.cmd=CMD_LISTBSS;
5455 if (down_interruptible(&ai->sem)) {
5456 kfree(data->rbuffer);
5457 kfree(file->private_data);
5458 return -ERESTARTSYS;
5459 }
5460 issuecommand(ai, &cmd, &rsp);
5461 up(&ai->sem);
5462 data->readlen = 0;
5463 return 0;
5464 }
5465 doLoseSync = 1;
5466 }
5467 ptr = data->rbuffer;
5468 /* There is a race condition here if there are concurrent opens.
5469 Since it is a rare condition, we'll just live with it, otherwise
5470 we have to add a spin lock... */
5471 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5472 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5473 ptr += sprintf(ptr, "%pM %.*s rssi = %d",
5474 BSSList_rid.bssid,
5475 (int)BSSList_rid.ssidLen,
5476 BSSList_rid.ssid,
5477 le16_to_cpu(BSSList_rid.dBm));
5478 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5479 le16_to_cpu(BSSList_rid.dsChannel),
5480 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5481 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5482 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5483 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5484 rc = readBSSListRid(ai, 0, &BSSList_rid);
5485 }
5486 *ptr = '\0';
5487 data->readlen = strlen( data->rbuffer );
5488 return 0;
5489 }
5490
5491 static int proc_close( struct inode *inode, struct file *file )
5492 {
5493 struct proc_data *data = file->private_data;
5494
5495 if (data->on_close != NULL)
5496 data->on_close(inode, file);
5497 kfree(data->rbuffer);
5498 kfree(data->wbuffer);
5499 kfree(data);
5500 return 0;
5501 }
5502
5503 /* Since the card doesn't automatically switch to the right WEP mode,
5504 we will make it do it. If the card isn't associated, every secs we
5505 will switch WEP modes to see if that will help. If the card is
5506 associated we will check every minute to see if anything has
5507 changed. */
5508 static void timer_func( struct net_device *dev ) {
5509 struct airo_info *apriv = dev->ml_priv;
5510
5511 /* We don't have a link so try changing the authtype */
5512 readConfigRid(apriv, 0);
5513 disable_MAC(apriv, 0);
5514 switch(apriv->config.authType) {
5515 case AUTH_ENCRYPT:
5516 /* So drop to OPEN */
5517 apriv->config.authType = AUTH_OPEN;
5518 break;
5519 case AUTH_SHAREDKEY:
5520 if (apriv->keyindex < auto_wep) {
5521 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5522 apriv->config.authType = AUTH_SHAREDKEY;
5523 apriv->keyindex++;
5524 } else {
5525 /* Drop to ENCRYPT */
5526 apriv->keyindex = 0;
5527 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5528 apriv->config.authType = AUTH_ENCRYPT;
5529 }
5530 break;
5531 default: /* We'll escalate to SHAREDKEY */
5532 apriv->config.authType = AUTH_SHAREDKEY;
5533 }
5534 set_bit (FLAG_COMMIT, &apriv->flags);
5535 writeConfigRid(apriv, 0);
5536 enable_MAC(apriv, 0);
5537 up(&apriv->sem);
5538
5539 /* Schedule check to see if the change worked */
5540 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5541 apriv->expires = RUN_AT(HZ*3);
5542 }
5543
5544 #ifdef CONFIG_PCI
5545 static int airo_pci_probe(struct pci_dev *pdev,
5546 const struct pci_device_id *pent)
5547 {
5548 struct net_device *dev;
5549
5550 if (pci_enable_device(pdev))
5551 return -ENODEV;
5552 pci_set_master(pdev);
5553
5554 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5555 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5556 else
5557 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5558 if (!dev) {
5559 pci_disable_device(pdev);
5560 return -ENODEV;
5561 }
5562
5563 pci_set_drvdata(pdev, dev);
5564 return 0;
5565 }
5566
5567 static void airo_pci_remove(struct pci_dev *pdev)
5568 {
5569 struct net_device *dev = pci_get_drvdata(pdev);
5570
5571 airo_print_info(dev->name, "Unregistering...");
5572 stop_airo_card(dev, 1);
5573 pci_disable_device(pdev);
5574 }
5575
5576 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5577 {
5578 struct net_device *dev = pci_get_drvdata(pdev);
5579 struct airo_info *ai = dev->ml_priv;
5580 Cmd cmd;
5581 Resp rsp;
5582
5583 if (!ai->SSID)
5584 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5585 if (!ai->SSID)
5586 return -ENOMEM;
5587 readSsidRid(ai, ai->SSID);
5588 memset(&cmd, 0, sizeof(cmd));
5589 /* the lock will be released at the end of the resume callback */
5590 if (down_interruptible(&ai->sem))
5591 return -EAGAIN;
5592 disable_MAC(ai, 0);
5593 netif_device_detach(dev);
5594 ai->power = state;
5595 cmd.cmd = HOSTSLEEP;
5596 issuecommand(ai, &cmd, &rsp);
5597
5598 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5599 pci_save_state(pdev);
5600 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5601 return 0;
5602 }
5603
5604 static int airo_pci_resume(struct pci_dev *pdev)
5605 {
5606 struct net_device *dev = pci_get_drvdata(pdev);
5607 struct airo_info *ai = dev->ml_priv;
5608 pci_power_t prev_state = pdev->current_state;
5609
5610 pci_set_power_state(pdev, PCI_D0);
5611 pci_restore_state(pdev);
5612 pci_enable_wake(pdev, PCI_D0, 0);
5613
5614 if (prev_state != PCI_D1) {
5615 reset_card(dev, 0);
5616 mpi_init_descriptors(ai);
5617 setup_card(ai, dev->dev_addr, 0);
5618 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5619 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5620 } else {
5621 OUT4500(ai, EVACK, EV_AWAKEN);
5622 OUT4500(ai, EVACK, EV_AWAKEN);
5623 msleep(100);
5624 }
5625
5626 set_bit(FLAG_COMMIT, &ai->flags);
5627 disable_MAC(ai, 0);
5628 msleep(200);
5629 if (ai->SSID) {
5630 writeSsidRid(ai, ai->SSID, 0);
5631 kfree(ai->SSID);
5632 ai->SSID = NULL;
5633 }
5634 writeAPListRid(ai, &ai->APList, 0);
5635 writeConfigRid(ai, 0);
5636 enable_MAC(ai, 0);
5637 ai->power = PMSG_ON;
5638 netif_device_attach(dev);
5639 netif_wake_queue(dev);
5640 enable_interrupts(ai);
5641 up(&ai->sem);
5642 return 0;
5643 }
5644 #endif
5645
5646 static int __init airo_init_module( void )
5647 {
5648 int i;
5649
5650 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5651 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5652 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5653 return -EINVAL;
5654
5655 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5656
5657 if (airo_entry)
5658 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5659
5660 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5661 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5662 "io=0x%x", irq[i], io[i] );
5663 if (init_airo_card( irq[i], io[i], 0, NULL ))
5664 /* do nothing */ ;
5665 }
5666
5667 #ifdef CONFIG_PCI
5668 airo_print_info("", "Probing for PCI adapters");
5669 i = pci_register_driver(&airo_driver);
5670 airo_print_info("", "Finished probing for PCI adapters");
5671
5672 if (i) {
5673 remove_proc_entry("driver/aironet", NULL);
5674 return i;
5675 }
5676 #endif
5677
5678 /* Always exit with success, as we are a library module
5679 * as well as a driver module
5680 */
5681 return 0;
5682 }
5683
5684 static void __exit airo_cleanup_module( void )
5685 {
5686 struct airo_info *ai;
5687 while(!list_empty(&airo_devices)) {
5688 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5689 airo_print_info(ai->dev->name, "Unregistering...");
5690 stop_airo_card(ai->dev, 1);
5691 }
5692 #ifdef CONFIG_PCI
5693 pci_unregister_driver(&airo_driver);
5694 #endif
5695 remove_proc_entry("driver/aironet", NULL);
5696 }
5697
5698 /*
5699 * Initial Wireless Extension code for Aironet driver by :
5700 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5701 * Conversion to new driver API by :
5702 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5703 * Javier also did a good amount of work here, adding some new extensions
5704 * and fixing my code. Let's just say that without him this code just
5705 * would not work at all... - Jean II
5706 */
5707
5708 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5709 {
5710 if (!rssi_rid)
5711 return 0;
5712
5713 return (0x100 - rssi_rid[rssi].rssidBm);
5714 }
5715
5716 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5717 {
5718 int i;
5719
5720 if (!rssi_rid)
5721 return 0;
5722
5723 for (i = 0; i < 256; i++)
5724 if (rssi_rid[i].rssidBm == dbm)
5725 return rssi_rid[i].rssipct;
5726
5727 return 0;
5728 }
5729
5730
5731 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5732 {
5733 int quality = 0;
5734 u16 sq;
5735
5736 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5737 return 0;
5738
5739 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5740 return 0;
5741
5742 sq = le16_to_cpu(status_rid->signalQuality);
5743 if (memcmp(cap_rid->prodName, "350", 3))
5744 if (sq > 0x20)
5745 quality = 0;
5746 else
5747 quality = 0x20 - sq;
5748 else
5749 if (sq > 0xb0)
5750 quality = 0;
5751 else if (sq < 0x10)
5752 quality = 0xa0;
5753 else
5754 quality = 0xb0 - sq;
5755 return quality;
5756 }
5757
5758 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5759 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5760
5761 /*------------------------------------------------------------------*/
5762 /*
5763 * Wireless Handler : get protocol name
5764 */
5765 static int airo_get_name(struct net_device *dev,
5766 struct iw_request_info *info,
5767 char *cwrq,
5768 char *extra)
5769 {
5770 strcpy(cwrq, "IEEE 802.11-DS");
5771 return 0;
5772 }
5773
5774 /*------------------------------------------------------------------*/
5775 /*
5776 * Wireless Handler : set frequency
5777 */
5778 static int airo_set_freq(struct net_device *dev,
5779 struct iw_request_info *info,
5780 struct iw_freq *fwrq,
5781 char *extra)
5782 {
5783 struct airo_info *local = dev->ml_priv;
5784 int rc = -EINPROGRESS; /* Call commit handler */
5785
5786 /* If setting by frequency, convert to a channel */
5787 if(fwrq->e == 1) {
5788 int f = fwrq->m / 100000;
5789
5790 /* Hack to fall through... */
5791 fwrq->e = 0;
5792 fwrq->m = ieee80211_frequency_to_channel(f);
5793 }
5794 /* Setting by channel number */
5795 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0)
5796 rc = -EOPNOTSUPP;
5797 else {
5798 int channel = fwrq->m;
5799 /* We should do a better check than that,
5800 * based on the card capability !!! */
5801 if((channel < 1) || (channel > 14)) {
5802 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5803 fwrq->m);
5804 rc = -EINVAL;
5805 } else {
5806 readConfigRid(local, 1);
5807 /* Yes ! We can set it !!! */
5808 local->config.channelSet = cpu_to_le16(channel);
5809 set_bit (FLAG_COMMIT, &local->flags);
5810 }
5811 }
5812 return rc;
5813 }
5814
5815 /*------------------------------------------------------------------*/
5816 /*
5817 * Wireless Handler : get frequency
5818 */
5819 static int airo_get_freq(struct net_device *dev,
5820 struct iw_request_info *info,
5821 struct iw_freq *fwrq,
5822 char *extra)
5823 {
5824 struct airo_info *local = dev->ml_priv;
5825 StatusRid status_rid; /* Card status info */
5826 int ch;
5827
5828 readConfigRid(local, 1);
5829 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5830 status_rid.channel = local->config.channelSet;
5831 else
5832 readStatusRid(local, &status_rid, 1);
5833
5834 ch = le16_to_cpu(status_rid.channel);
5835 if((ch > 0) && (ch < 15)) {
5836 fwrq->m = 100000 *
5837 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ);
5838 fwrq->e = 1;
5839 } else {
5840 fwrq->m = ch;
5841 fwrq->e = 0;
5842 }
5843
5844 return 0;
5845 }
5846
5847 /*------------------------------------------------------------------*/
5848 /*
5849 * Wireless Handler : set ESSID
5850 */
5851 static int airo_set_essid(struct net_device *dev,
5852 struct iw_request_info *info,
5853 struct iw_point *dwrq,
5854 char *extra)
5855 {
5856 struct airo_info *local = dev->ml_priv;
5857 SsidRid SSID_rid; /* SSIDs */
5858
5859 /* Reload the list of current SSID */
5860 readSsidRid(local, &SSID_rid);
5861
5862 /* Check if we asked for `any' */
5863 if (dwrq->flags == 0) {
5864 /* Just send an empty SSID list */
5865 memset(&SSID_rid, 0, sizeof(SSID_rid));
5866 } else {
5867 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5868
5869 /* Check the size of the string */
5870 if (dwrq->length > IW_ESSID_MAX_SIZE)
5871 return -E2BIG ;
5872
5873 /* Check if index is valid */
5874 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5875 return -EINVAL;
5876
5877 /* Set the SSID */
5878 memset(SSID_rid.ssids[index].ssid, 0,
5879 sizeof(SSID_rid.ssids[index].ssid));
5880 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5881 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5882 }
5883 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5884 /* Write it to the card */
5885 disable_MAC(local, 1);
5886 writeSsidRid(local, &SSID_rid, 1);
5887 enable_MAC(local, 1);
5888
5889 return 0;
5890 }
5891
5892 /*------------------------------------------------------------------*/
5893 /*
5894 * Wireless Handler : get ESSID
5895 */
5896 static int airo_get_essid(struct net_device *dev,
5897 struct iw_request_info *info,
5898 struct iw_point *dwrq,
5899 char *extra)
5900 {
5901 struct airo_info *local = dev->ml_priv;
5902 StatusRid status_rid; /* Card status info */
5903
5904 readStatusRid(local, &status_rid, 1);
5905
5906 /* Note : if dwrq->flags != 0, we should
5907 * get the relevant SSID from the SSID list... */
5908
5909 /* Get the current SSID */
5910 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5911 /* If none, we may want to get the one that was set */
5912
5913 /* Push it out ! */
5914 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5915 dwrq->flags = 1; /* active */
5916
5917 return 0;
5918 }
5919
5920 /*------------------------------------------------------------------*/
5921 /*
5922 * Wireless Handler : set AP address
5923 */
5924 static int airo_set_wap(struct net_device *dev,
5925 struct iw_request_info *info,
5926 struct sockaddr *awrq,
5927 char *extra)
5928 {
5929 struct airo_info *local = dev->ml_priv;
5930 Cmd cmd;
5931 Resp rsp;
5932 APListRid *APList_rid = &local->APList;
5933
5934 if (awrq->sa_family != ARPHRD_ETHER)
5935 return -EINVAL;
5936 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5937 is_zero_ether_addr(awrq->sa_data)) {
5938 memset(&cmd, 0, sizeof(cmd));
5939 cmd.cmd=CMD_LOSE_SYNC;
5940 if (down_interruptible(&local->sem))
5941 return -ERESTARTSYS;
5942 issuecommand(local, &cmd, &rsp);
5943 up(&local->sem);
5944 } else {
5945 memset(APList_rid, 0, sizeof(*APList_rid));
5946 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5947 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
5948 disable_MAC(local, 1);
5949 writeAPListRid(local, APList_rid, 1);
5950 enable_MAC(local, 1);
5951 }
5952 return 0;
5953 }
5954
5955 /*------------------------------------------------------------------*/
5956 /*
5957 * Wireless Handler : get AP address
5958 */
5959 static int airo_get_wap(struct net_device *dev,
5960 struct iw_request_info *info,
5961 struct sockaddr *awrq,
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 /* Tentative. This seems to work, wow, I'm lucky !!! */
5970 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5971 awrq->sa_family = ARPHRD_ETHER;
5972
5973 return 0;
5974 }
5975
5976 /*------------------------------------------------------------------*/
5977 /*
5978 * Wireless Handler : set Nickname
5979 */
5980 static int airo_set_nick(struct net_device *dev,
5981 struct iw_request_info *info,
5982 struct iw_point *dwrq,
5983 char *extra)
5984 {
5985 struct airo_info *local = dev->ml_priv;
5986
5987 /* Check the size of the string */
5988 if(dwrq->length > 16) {
5989 return -E2BIG;
5990 }
5991 readConfigRid(local, 1);
5992 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5993 memcpy(local->config.nodeName, extra, dwrq->length);
5994 set_bit (FLAG_COMMIT, &local->flags);
5995
5996 return -EINPROGRESS; /* Call commit handler */
5997 }
5998
5999 /*------------------------------------------------------------------*/
6000 /*
6001 * Wireless Handler : get Nickname
6002 */
6003 static int airo_get_nick(struct net_device *dev,
6004 struct iw_request_info *info,
6005 struct iw_point *dwrq,
6006 char *extra)
6007 {
6008 struct airo_info *local = dev->ml_priv;
6009
6010 readConfigRid(local, 1);
6011 strncpy(extra, local->config.nodeName, 16);
6012 extra[16] = '\0';
6013 dwrq->length = strlen(extra);
6014
6015 return 0;
6016 }
6017
6018 /*------------------------------------------------------------------*/
6019 /*
6020 * Wireless Handler : set Bit-Rate
6021 */
6022 static int airo_set_rate(struct net_device *dev,
6023 struct iw_request_info *info,
6024 struct iw_param *vwrq,
6025 char *extra)
6026 {
6027 struct airo_info *local = dev->ml_priv;
6028 CapabilityRid cap_rid; /* Card capability info */
6029 u8 brate = 0;
6030 int i;
6031
6032 /* First : get a valid bit rate value */
6033 readCapabilityRid(local, &cap_rid, 1);
6034
6035 /* Which type of value ? */
6036 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6037 /* Setting by rate index */
6038 /* Find value in the magic rate table */
6039 brate = cap_rid.supportedRates[vwrq->value];
6040 } else {
6041 /* Setting by frequency value */
6042 u8 normvalue = (u8) (vwrq->value/500000);
6043
6044 /* Check if rate is valid */
6045 for(i = 0 ; i < 8 ; i++) {
6046 if(normvalue == cap_rid.supportedRates[i]) {
6047 brate = normvalue;
6048 break;
6049 }
6050 }
6051 }
6052 /* -1 designed the max rate (mostly auto mode) */
6053 if(vwrq->value == -1) {
6054 /* Get the highest available rate */
6055 for(i = 0 ; i < 8 ; i++) {
6056 if(cap_rid.supportedRates[i] == 0)
6057 break;
6058 }
6059 if(i != 0)
6060 brate = cap_rid.supportedRates[i - 1];
6061 }
6062 /* Check that it is valid */
6063 if(brate == 0) {
6064 return -EINVAL;
6065 }
6066
6067 readConfigRid(local, 1);
6068 /* Now, check if we want a fixed or auto value */
6069 if(vwrq->fixed == 0) {
6070 /* Fill all the rates up to this max rate */
6071 memset(local->config.rates, 0, 8);
6072 for(i = 0 ; i < 8 ; i++) {
6073 local->config.rates[i] = cap_rid.supportedRates[i];
6074 if(local->config.rates[i] == brate)
6075 break;
6076 }
6077 } else {
6078 /* Fixed mode */
6079 /* One rate, fixed */
6080 memset(local->config.rates, 0, 8);
6081 local->config.rates[0] = brate;
6082 }
6083 set_bit (FLAG_COMMIT, &local->flags);
6084
6085 return -EINPROGRESS; /* Call commit handler */
6086 }
6087
6088 /*------------------------------------------------------------------*/
6089 /*
6090 * Wireless Handler : get Bit-Rate
6091 */
6092 static int airo_get_rate(struct net_device *dev,
6093 struct iw_request_info *info,
6094 struct iw_param *vwrq,
6095 char *extra)
6096 {
6097 struct airo_info *local = dev->ml_priv;
6098 StatusRid status_rid; /* Card status info */
6099
6100 readStatusRid(local, &status_rid, 1);
6101
6102 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6103 /* If more than one rate, set auto */
6104 readConfigRid(local, 1);
6105 vwrq->fixed = (local->config.rates[1] == 0);
6106
6107 return 0;
6108 }
6109
6110 /*------------------------------------------------------------------*/
6111 /*
6112 * Wireless Handler : set RTS threshold
6113 */
6114 static int airo_set_rts(struct net_device *dev,
6115 struct iw_request_info *info,
6116 struct iw_param *vwrq,
6117 char *extra)
6118 {
6119 struct airo_info *local = dev->ml_priv;
6120 int rthr = vwrq->value;
6121
6122 if(vwrq->disabled)
6123 rthr = AIRO_DEF_MTU;
6124 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6125 return -EINVAL;
6126 }
6127 readConfigRid(local, 1);
6128 local->config.rtsThres = cpu_to_le16(rthr);
6129 set_bit (FLAG_COMMIT, &local->flags);
6130
6131 return -EINPROGRESS; /* Call commit handler */
6132 }
6133
6134 /*------------------------------------------------------------------*/
6135 /*
6136 * Wireless Handler : get RTS threshold
6137 */
6138 static int airo_get_rts(struct net_device *dev,
6139 struct iw_request_info *info,
6140 struct iw_param *vwrq,
6141 char *extra)
6142 {
6143 struct airo_info *local = dev->ml_priv;
6144
6145 readConfigRid(local, 1);
6146 vwrq->value = le16_to_cpu(local->config.rtsThres);
6147 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6148 vwrq->fixed = 1;
6149
6150 return 0;
6151 }
6152
6153 /*------------------------------------------------------------------*/
6154 /*
6155 * Wireless Handler : set Fragmentation threshold
6156 */
6157 static int airo_set_frag(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 int fthr = vwrq->value;
6164
6165 if(vwrq->disabled)
6166 fthr = AIRO_DEF_MTU;
6167 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6168 return -EINVAL;
6169 }
6170 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6171 readConfigRid(local, 1);
6172 local->config.fragThresh = cpu_to_le16(fthr);
6173 set_bit (FLAG_COMMIT, &local->flags);
6174
6175 return -EINPROGRESS; /* Call commit handler */
6176 }
6177
6178 /*------------------------------------------------------------------*/
6179 /*
6180 * Wireless Handler : get Fragmentation threshold
6181 */
6182 static int airo_get_frag(struct net_device *dev,
6183 struct iw_request_info *info,
6184 struct iw_param *vwrq,
6185 char *extra)
6186 {
6187 struct airo_info *local = dev->ml_priv;
6188
6189 readConfigRid(local, 1);
6190 vwrq->value = le16_to_cpu(local->config.fragThresh);
6191 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6192 vwrq->fixed = 1;
6193
6194 return 0;
6195 }
6196
6197 /*------------------------------------------------------------------*/
6198 /*
6199 * Wireless Handler : set Mode of Operation
6200 */
6201 static int airo_set_mode(struct net_device *dev,
6202 struct iw_request_info *info,
6203 __u32 *uwrq,
6204 char *extra)
6205 {
6206 struct airo_info *local = dev->ml_priv;
6207 int reset = 0;
6208
6209 readConfigRid(local, 1);
6210 if (sniffing_mode(local))
6211 reset = 1;
6212
6213 switch(*uwrq) {
6214 case IW_MODE_ADHOC:
6215 local->config.opmode &= ~MODE_CFG_MASK;
6216 local->config.opmode |= MODE_STA_IBSS;
6217 local->config.rmode &= ~RXMODE_FULL_MASK;
6218 local->config.scanMode = SCANMODE_ACTIVE;
6219 clear_bit (FLAG_802_11, &local->flags);
6220 break;
6221 case IW_MODE_INFRA:
6222 local->config.opmode &= ~MODE_CFG_MASK;
6223 local->config.opmode |= MODE_STA_ESS;
6224 local->config.rmode &= ~RXMODE_FULL_MASK;
6225 local->config.scanMode = SCANMODE_ACTIVE;
6226 clear_bit (FLAG_802_11, &local->flags);
6227 break;
6228 case IW_MODE_MASTER:
6229 local->config.opmode &= ~MODE_CFG_MASK;
6230 local->config.opmode |= MODE_AP;
6231 local->config.rmode &= ~RXMODE_FULL_MASK;
6232 local->config.scanMode = SCANMODE_ACTIVE;
6233 clear_bit (FLAG_802_11, &local->flags);
6234 break;
6235 case IW_MODE_REPEAT:
6236 local->config.opmode &= ~MODE_CFG_MASK;
6237 local->config.opmode |= MODE_AP_RPTR;
6238 local->config.rmode &= ~RXMODE_FULL_MASK;
6239 local->config.scanMode = SCANMODE_ACTIVE;
6240 clear_bit (FLAG_802_11, &local->flags);
6241 break;
6242 case IW_MODE_MONITOR:
6243 local->config.opmode &= ~MODE_CFG_MASK;
6244 local->config.opmode |= MODE_STA_ESS;
6245 local->config.rmode &= ~RXMODE_FULL_MASK;
6246 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6247 local->config.scanMode = SCANMODE_PASSIVE;
6248 set_bit (FLAG_802_11, &local->flags);
6249 break;
6250 default:
6251 return -EINVAL;
6252 }
6253 if (reset)
6254 set_bit (FLAG_RESET, &local->flags);
6255 set_bit (FLAG_COMMIT, &local->flags);
6256
6257 return -EINPROGRESS; /* Call commit handler */
6258 }
6259
6260 /*------------------------------------------------------------------*/
6261 /*
6262 * Wireless Handler : get Mode of Operation
6263 */
6264 static int airo_get_mode(struct net_device *dev,
6265 struct iw_request_info *info,
6266 __u32 *uwrq,
6267 char *extra)
6268 {
6269 struct airo_info *local = dev->ml_priv;
6270
6271 readConfigRid(local, 1);
6272 /* If not managed, assume it's ad-hoc */
6273 switch (local->config.opmode & MODE_CFG_MASK) {
6274 case MODE_STA_ESS:
6275 *uwrq = IW_MODE_INFRA;
6276 break;
6277 case MODE_AP:
6278 *uwrq = IW_MODE_MASTER;
6279 break;
6280 case MODE_AP_RPTR:
6281 *uwrq = IW_MODE_REPEAT;
6282 break;
6283 default:
6284 *uwrq = IW_MODE_ADHOC;
6285 }
6286
6287 return 0;
6288 }
6289
6290 static inline int valid_index(struct airo_info *ai, int index)
6291 {
6292 return (index >= 0) && (index <= ai->max_wep_idx);
6293 }
6294
6295 /*------------------------------------------------------------------*/
6296 /*
6297 * Wireless Handler : set Encryption Key
6298 */
6299 static int airo_set_encode(struct net_device *dev,
6300 struct iw_request_info *info,
6301 struct iw_point *dwrq,
6302 char *extra)
6303 {
6304 struct airo_info *local = dev->ml_priv;
6305 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6306 __le16 currentAuthType = local->config.authType;
6307 int rc = 0;
6308
6309 if (!local->wep_capable)
6310 return -EOPNOTSUPP;
6311
6312 readConfigRid(local, 1);
6313
6314 /* Basic checking: do we have a key to set ?
6315 * Note : with the new API, it's impossible to get a NULL pointer.
6316 * Therefore, we need to check a key size == 0 instead.
6317 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6318 * when no key is present (only change flags), but older versions
6319 * don't do it. - Jean II */
6320 if (dwrq->length > 0) {
6321 wep_key_t key;
6322 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6323 int current_index;
6324
6325 /* Check the size of the key */
6326 if (dwrq->length > MAX_KEY_SIZE) {
6327 return -EINVAL;
6328 }
6329
6330 current_index = get_wep_tx_idx(local);
6331 if (current_index < 0)
6332 current_index = 0;
6333
6334 /* Check the index (none -> use current) */
6335 if (!valid_index(local, index))
6336 index = current_index;
6337
6338 /* Set the length */
6339 if (dwrq->length > MIN_KEY_SIZE)
6340 key.len = MAX_KEY_SIZE;
6341 else
6342 key.len = MIN_KEY_SIZE;
6343 /* Check if the key is not marked as invalid */
6344 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6345 /* Cleanup */
6346 memset(key.key, 0, MAX_KEY_SIZE);
6347 /* Copy the key in the driver */
6348 memcpy(key.key, extra, dwrq->length);
6349 /* Send the key to the card */
6350 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6351 if (rc < 0) {
6352 airo_print_err(local->dev->name, "failed to set"
6353 " WEP key at index %d: %d.",
6354 index, rc);
6355 return rc;
6356 }
6357 }
6358 /* WE specify that if a valid key is set, encryption
6359 * should be enabled (user may turn it off later)
6360 * This is also how "iwconfig ethX key on" works */
6361 if((index == current_index) && (key.len > 0) &&
6362 (local->config.authType == AUTH_OPEN))
6363 set_auth_type(local, AUTH_ENCRYPT);
6364 } else {
6365 /* Do we want to just set the transmit key index ? */
6366 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6367 if (valid_index(local, index)) {
6368 rc = set_wep_tx_idx(local, index, perm, 1);
6369 if (rc < 0) {
6370 airo_print_err(local->dev->name, "failed to set"
6371 " WEP transmit index to %d: %d.",
6372 index, rc);
6373 return rc;
6374 }
6375 } else {
6376 /* Don't complain if only change the mode */
6377 if (!(dwrq->flags & IW_ENCODE_MODE))
6378 return -EINVAL;
6379 }
6380 }
6381 /* Read the flags */
6382 if (dwrq->flags & IW_ENCODE_DISABLED)
6383 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6384 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6385 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6386 if (dwrq->flags & IW_ENCODE_OPEN)
6387 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6388 /* Commit the changes to flags if needed */
6389 if (local->config.authType != currentAuthType)
6390 set_bit (FLAG_COMMIT, &local->flags);
6391 return -EINPROGRESS; /* Call commit handler */
6392 }
6393
6394 /*------------------------------------------------------------------*/
6395 /*
6396 * Wireless Handler : get Encryption Key
6397 */
6398 static int airo_get_encode(struct net_device *dev,
6399 struct iw_request_info *info,
6400 struct iw_point *dwrq,
6401 char *extra)
6402 {
6403 struct airo_info *local = dev->ml_priv;
6404 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6405 int wep_key_len;
6406 u8 buf[16];
6407
6408 if (!local->wep_capable)
6409 return -EOPNOTSUPP;
6410
6411 readConfigRid(local, 1);
6412
6413 /* Check encryption mode */
6414 switch(local->config.authType) {
6415 case AUTH_ENCRYPT:
6416 dwrq->flags = IW_ENCODE_OPEN;
6417 break;
6418 case AUTH_SHAREDKEY:
6419 dwrq->flags = IW_ENCODE_RESTRICTED;
6420 break;
6421 default:
6422 case AUTH_OPEN:
6423 dwrq->flags = IW_ENCODE_DISABLED;
6424 break;
6425 }
6426 /* We can't return the key, so set the proper flag and return zero */
6427 dwrq->flags |= IW_ENCODE_NOKEY;
6428 memset(extra, 0, 16);
6429
6430 /* Which key do we want ? -1 -> tx index */
6431 if (!valid_index(local, index)) {
6432 index = get_wep_tx_idx(local);
6433 if (index < 0)
6434 index = 0;
6435 }
6436 dwrq->flags |= index + 1;
6437
6438 /* Copy the key to the user buffer */
6439 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6440 if (wep_key_len < 0) {
6441 dwrq->length = 0;
6442 } else {
6443 dwrq->length = wep_key_len;
6444 memcpy(extra, buf, dwrq->length);
6445 }
6446
6447 return 0;
6448 }
6449
6450 /*------------------------------------------------------------------*/
6451 /*
6452 * Wireless Handler : set extended Encryption parameters
6453 */
6454 static int airo_set_encodeext(struct net_device *dev,
6455 struct iw_request_info *info,
6456 union iwreq_data *wrqu,
6457 char *extra)
6458 {
6459 struct airo_info *local = dev->ml_priv;
6460 struct iw_point *encoding = &wrqu->encoding;
6461 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6462 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6463 __le16 currentAuthType = local->config.authType;
6464 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6465 wep_key_t key;
6466
6467 if (!local->wep_capable)
6468 return -EOPNOTSUPP;
6469
6470 readConfigRid(local, 1);
6471
6472 /* Determine and validate the key index */
6473 idx = encoding->flags & IW_ENCODE_INDEX;
6474 if (idx) {
6475 if (!valid_index(local, idx - 1))
6476 return -EINVAL;
6477 idx--;
6478 } else {
6479 idx = get_wep_tx_idx(local);
6480 if (idx < 0)
6481 idx = 0;
6482 }
6483
6484 if (encoding->flags & IW_ENCODE_DISABLED)
6485 alg = IW_ENCODE_ALG_NONE;
6486
6487 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6488 /* Only set transmit key index here, actual
6489 * key is set below if needed.
6490 */
6491 rc = set_wep_tx_idx(local, idx, perm, 1);
6492 if (rc < 0) {
6493 airo_print_err(local->dev->name, "failed to set "
6494 "WEP transmit index to %d: %d.",
6495 idx, rc);
6496 return rc;
6497 }
6498 set_key = ext->key_len > 0 ? 1 : 0;
6499 }
6500
6501 if (set_key) {
6502 /* Set the requested key first */
6503 memset(key.key, 0, MAX_KEY_SIZE);
6504 switch (alg) {
6505 case IW_ENCODE_ALG_NONE:
6506 key.len = 0;
6507 break;
6508 case IW_ENCODE_ALG_WEP:
6509 if (ext->key_len > MIN_KEY_SIZE) {
6510 key.len = MAX_KEY_SIZE;
6511 } else if (ext->key_len > 0) {
6512 key.len = MIN_KEY_SIZE;
6513 } else {
6514 return -EINVAL;
6515 }
6516 key_len = min (ext->key_len, key.len);
6517 memcpy(key.key, ext->key, key_len);
6518 break;
6519 default:
6520 return -EINVAL;
6521 }
6522 if (key.len == 0) {
6523 rc = set_wep_tx_idx(local, idx, perm, 1);
6524 if (rc < 0) {
6525 airo_print_err(local->dev->name,
6526 "failed to set WEP transmit index to %d: %d.",
6527 idx, rc);
6528 return rc;
6529 }
6530 } else {
6531 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6532 if (rc < 0) {
6533 airo_print_err(local->dev->name,
6534 "failed to set WEP key at index %d: %d.",
6535 idx, rc);
6536 return rc;
6537 }
6538 }
6539 }
6540
6541 /* Read the flags */
6542 if (encoding->flags & IW_ENCODE_DISABLED)
6543 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6544 if(encoding->flags & IW_ENCODE_RESTRICTED)
6545 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6546 if (encoding->flags & IW_ENCODE_OPEN)
6547 set_auth_type(local, AUTH_ENCRYPT);
6548 /* Commit the changes to flags if needed */
6549 if (local->config.authType != currentAuthType)
6550 set_bit (FLAG_COMMIT, &local->flags);
6551
6552 return -EINPROGRESS;
6553 }
6554
6555
6556 /*------------------------------------------------------------------*/
6557 /*
6558 * Wireless Handler : get extended Encryption parameters
6559 */
6560 static int airo_get_encodeext(struct net_device *dev,
6561 struct iw_request_info *info,
6562 union iwreq_data *wrqu,
6563 char *extra)
6564 {
6565 struct airo_info *local = dev->ml_priv;
6566 struct iw_point *encoding = &wrqu->encoding;
6567 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6568 int idx, max_key_len, wep_key_len;
6569 u8 buf[16];
6570
6571 if (!local->wep_capable)
6572 return -EOPNOTSUPP;
6573
6574 readConfigRid(local, 1);
6575
6576 max_key_len = encoding->length - sizeof(*ext);
6577 if (max_key_len < 0)
6578 return -EINVAL;
6579
6580 idx = encoding->flags & IW_ENCODE_INDEX;
6581 if (idx) {
6582 if (!valid_index(local, idx - 1))
6583 return -EINVAL;
6584 idx--;
6585 } else {
6586 idx = get_wep_tx_idx(local);
6587 if (idx < 0)
6588 idx = 0;
6589 }
6590
6591 encoding->flags = idx + 1;
6592 memset(ext, 0, sizeof(*ext));
6593
6594 /* Check encryption mode */
6595 switch(local->config.authType) {
6596 case AUTH_ENCRYPT:
6597 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6598 break;
6599 case AUTH_SHAREDKEY:
6600 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6601 break;
6602 default:
6603 case AUTH_OPEN:
6604 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6605 break;
6606 }
6607 /* We can't return the key, so set the proper flag and return zero */
6608 encoding->flags |= IW_ENCODE_NOKEY;
6609 memset(extra, 0, 16);
6610
6611 /* Copy the key to the user buffer */
6612 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6613 if (wep_key_len < 0) {
6614 ext->key_len = 0;
6615 } else {
6616 ext->key_len = wep_key_len;
6617 memcpy(extra, buf, ext->key_len);
6618 }
6619
6620 return 0;
6621 }
6622
6623
6624 /*------------------------------------------------------------------*/
6625 /*
6626 * Wireless Handler : set extended authentication parameters
6627 */
6628 static int airo_set_auth(struct net_device *dev,
6629 struct iw_request_info *info,
6630 union iwreq_data *wrqu, char *extra)
6631 {
6632 struct airo_info *local = dev->ml_priv;
6633 struct iw_param *param = &wrqu->param;
6634 __le16 currentAuthType = local->config.authType;
6635
6636 switch (param->flags & IW_AUTH_INDEX) {
6637 case IW_AUTH_WPA_VERSION:
6638 case IW_AUTH_CIPHER_PAIRWISE:
6639 case IW_AUTH_CIPHER_GROUP:
6640 case IW_AUTH_KEY_MGMT:
6641 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6642 case IW_AUTH_PRIVACY_INVOKED:
6643 /*
6644 * airo does not use these parameters
6645 */
6646 break;
6647
6648 case IW_AUTH_DROP_UNENCRYPTED:
6649 if (param->value) {
6650 /* Only change auth type if unencrypted */
6651 if (currentAuthType == AUTH_OPEN)
6652 set_auth_type(local, AUTH_ENCRYPT);
6653 } else {
6654 set_auth_type(local, AUTH_OPEN);
6655 }
6656
6657 /* Commit the changes to flags if needed */
6658 if (local->config.authType != currentAuthType)
6659 set_bit (FLAG_COMMIT, &local->flags);
6660 break;
6661
6662 case IW_AUTH_80211_AUTH_ALG: {
6663 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6664 set_auth_type(local, AUTH_SHAREDKEY);
6665 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6666 /* We don't know here if WEP open system or
6667 * unencrypted mode was requested - so use the
6668 * last mode (of these two) used last time
6669 */
6670 set_auth_type(local, local->last_auth);
6671 } else
6672 return -EINVAL;
6673
6674 /* Commit the changes to flags if needed */
6675 if (local->config.authType != currentAuthType)
6676 set_bit (FLAG_COMMIT, &local->flags);
6677 break;
6678 }
6679
6680 case IW_AUTH_WPA_ENABLED:
6681 /* Silently accept disable of WPA */
6682 if (param->value > 0)
6683 return -EOPNOTSUPP;
6684 break;
6685
6686 default:
6687 return -EOPNOTSUPP;
6688 }
6689 return -EINPROGRESS;
6690 }
6691
6692
6693 /*------------------------------------------------------------------*/
6694 /*
6695 * Wireless Handler : get extended authentication parameters
6696 */
6697 static int airo_get_auth(struct net_device *dev,
6698 struct iw_request_info *info,
6699 union iwreq_data *wrqu, char *extra)
6700 {
6701 struct airo_info *local = dev->ml_priv;
6702 struct iw_param *param = &wrqu->param;
6703 __le16 currentAuthType = local->config.authType;
6704
6705 switch (param->flags & IW_AUTH_INDEX) {
6706 case IW_AUTH_DROP_UNENCRYPTED:
6707 switch (currentAuthType) {
6708 case AUTH_SHAREDKEY:
6709 case AUTH_ENCRYPT:
6710 param->value = 1;
6711 break;
6712 default:
6713 param->value = 0;
6714 break;
6715 }
6716 break;
6717
6718 case IW_AUTH_80211_AUTH_ALG:
6719 switch (currentAuthType) {
6720 case AUTH_SHAREDKEY:
6721 param->value = IW_AUTH_ALG_SHARED_KEY;
6722 break;
6723 case AUTH_ENCRYPT:
6724 default:
6725 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6726 break;
6727 }
6728 break;
6729
6730 case IW_AUTH_WPA_ENABLED:
6731 param->value = 0;
6732 break;
6733
6734 default:
6735 return -EOPNOTSUPP;
6736 }
6737 return 0;
6738 }
6739
6740
6741 /*------------------------------------------------------------------*/
6742 /*
6743 * Wireless Handler : set Tx-Power
6744 */
6745 static int airo_set_txpow(struct net_device *dev,
6746 struct iw_request_info *info,
6747 struct iw_param *vwrq,
6748 char *extra)
6749 {
6750 struct airo_info *local = dev->ml_priv;
6751 CapabilityRid cap_rid; /* Card capability info */
6752 int i;
6753 int rc = -EINVAL;
6754 __le16 v = cpu_to_le16(vwrq->value);
6755
6756 readCapabilityRid(local, &cap_rid, 1);
6757
6758 if (vwrq->disabled) {
6759 set_bit (FLAG_RADIO_OFF, &local->flags);
6760 set_bit (FLAG_COMMIT, &local->flags);
6761 return -EINPROGRESS; /* Call commit handler */
6762 }
6763 if (vwrq->flags != IW_TXPOW_MWATT) {
6764 return -EINVAL;
6765 }
6766 clear_bit (FLAG_RADIO_OFF, &local->flags);
6767 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6768 if (v == cap_rid.txPowerLevels[i]) {
6769 readConfigRid(local, 1);
6770 local->config.txPower = v;
6771 set_bit (FLAG_COMMIT, &local->flags);
6772 rc = -EINPROGRESS; /* Call commit handler */
6773 break;
6774 }
6775 return rc;
6776 }
6777
6778 /*------------------------------------------------------------------*/
6779 /*
6780 * Wireless Handler : get Tx-Power
6781 */
6782 static int airo_get_txpow(struct net_device *dev,
6783 struct iw_request_info *info,
6784 struct iw_param *vwrq,
6785 char *extra)
6786 {
6787 struct airo_info *local = dev->ml_priv;
6788
6789 readConfigRid(local, 1);
6790 vwrq->value = le16_to_cpu(local->config.txPower);
6791 vwrq->fixed = 1; /* No power control */
6792 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6793 vwrq->flags = IW_TXPOW_MWATT;
6794
6795 return 0;
6796 }
6797
6798 /*------------------------------------------------------------------*/
6799 /*
6800 * Wireless Handler : set Retry limits
6801 */
6802 static int airo_set_retry(struct net_device *dev,
6803 struct iw_request_info *info,
6804 struct iw_param *vwrq,
6805 char *extra)
6806 {
6807 struct airo_info *local = dev->ml_priv;
6808 int rc = -EINVAL;
6809
6810 if(vwrq->disabled) {
6811 return -EINVAL;
6812 }
6813 readConfigRid(local, 1);
6814 if(vwrq->flags & IW_RETRY_LIMIT) {
6815 __le16 v = cpu_to_le16(vwrq->value);
6816 if(vwrq->flags & IW_RETRY_LONG)
6817 local->config.longRetryLimit = v;
6818 else if (vwrq->flags & IW_RETRY_SHORT)
6819 local->config.shortRetryLimit = v;
6820 else {
6821 /* No modifier : set both */
6822 local->config.longRetryLimit = v;
6823 local->config.shortRetryLimit = v;
6824 }
6825 set_bit (FLAG_COMMIT, &local->flags);
6826 rc = -EINPROGRESS; /* Call commit handler */
6827 }
6828 if(vwrq->flags & IW_RETRY_LIFETIME) {
6829 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6830 set_bit (FLAG_COMMIT, &local->flags);
6831 rc = -EINPROGRESS; /* Call commit handler */
6832 }
6833 return rc;
6834 }
6835
6836 /*------------------------------------------------------------------*/
6837 /*
6838 * Wireless Handler : get Retry limits
6839 */
6840 static int airo_get_retry(struct net_device *dev,
6841 struct iw_request_info *info,
6842 struct iw_param *vwrq,
6843 char *extra)
6844 {
6845 struct airo_info *local = dev->ml_priv;
6846
6847 vwrq->disabled = 0; /* Can't be disabled */
6848
6849 readConfigRid(local, 1);
6850 /* Note : by default, display the min retry number */
6851 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6852 vwrq->flags = IW_RETRY_LIFETIME;
6853 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6854 } else if((vwrq->flags & IW_RETRY_LONG)) {
6855 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6856 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6857 } else {
6858 vwrq->flags = IW_RETRY_LIMIT;
6859 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6860 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6861 vwrq->flags |= IW_RETRY_SHORT;
6862 }
6863
6864 return 0;
6865 }
6866
6867 /*------------------------------------------------------------------*/
6868 /*
6869 * Wireless Handler : get range info
6870 */
6871 static int airo_get_range(struct net_device *dev,
6872 struct iw_request_info *info,
6873 struct iw_point *dwrq,
6874 char *extra)
6875 {
6876 struct airo_info *local = dev->ml_priv;
6877 struct iw_range *range = (struct iw_range *) extra;
6878 CapabilityRid cap_rid; /* Card capability info */
6879 int i;
6880 int k;
6881
6882 readCapabilityRid(local, &cap_rid, 1);
6883
6884 dwrq->length = sizeof(struct iw_range);
6885 memset(range, 0, sizeof(*range));
6886 range->min_nwid = 0x0000;
6887 range->max_nwid = 0x0000;
6888 range->num_channels = 14;
6889 /* Should be based on cap_rid.country to give only
6890 * what the current card support */
6891 k = 0;
6892 for(i = 0; i < 14; i++) {
6893 range->freq[k].i = i + 1; /* List index */
6894 range->freq[k].m = 100000 *
6895 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ);
6896 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6897 }
6898 range->num_frequency = k;
6899
6900 range->sensitivity = 65535;
6901
6902 /* Hum... Should put the right values there */
6903 if (local->rssi)
6904 range->max_qual.qual = 100; /* % */
6905 else
6906 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6907 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6908 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6909
6910 /* Experimental measurements - boundary 11/5.5 Mb/s */
6911 /* Note : with or without the (local->rssi), results
6912 * are somewhat different. - Jean II */
6913 if (local->rssi) {
6914 range->avg_qual.qual = 50; /* % */
6915 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6916 } else {
6917 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6918 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6919 }
6920 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6921
6922 for(i = 0 ; i < 8 ; i++) {
6923 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6924 if(range->bitrate[i] == 0)
6925 break;
6926 }
6927 range->num_bitrates = i;
6928
6929 /* Set an indication of the max TCP throughput
6930 * in bit/s that we can expect using this interface.
6931 * May be use for QoS stuff... Jean II */
6932 if(i > 2)
6933 range->throughput = 5000 * 1000;
6934 else
6935 range->throughput = 1500 * 1000;
6936
6937 range->min_rts = 0;
6938 range->max_rts = AIRO_DEF_MTU;
6939 range->min_frag = 256;
6940 range->max_frag = AIRO_DEF_MTU;
6941
6942 if(cap_rid.softCap & cpu_to_le16(2)) {
6943 // WEP: RC4 40 bits
6944 range->encoding_size[0] = 5;
6945 // RC4 ~128 bits
6946 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6947 range->encoding_size[1] = 13;
6948 range->num_encoding_sizes = 2;
6949 } else
6950 range->num_encoding_sizes = 1;
6951 range->max_encoding_tokens =
6952 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6953 } else {
6954 range->num_encoding_sizes = 0;
6955 range->max_encoding_tokens = 0;
6956 }
6957 range->min_pmp = 0;
6958 range->max_pmp = 5000000; /* 5 secs */
6959 range->min_pmt = 0;
6960 range->max_pmt = 65535 * 1024; /* ??? */
6961 range->pmp_flags = IW_POWER_PERIOD;
6962 range->pmt_flags = IW_POWER_TIMEOUT;
6963 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6964
6965 /* Transmit Power - values are in mW */
6966 for(i = 0 ; i < 8 ; i++) {
6967 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6968 if(range->txpower[i] == 0)
6969 break;
6970 }
6971 range->num_txpower = i;
6972 range->txpower_capa = IW_TXPOW_MWATT;
6973 range->we_version_source = 19;
6974 range->we_version_compiled = WIRELESS_EXT;
6975 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6976 range->retry_flags = IW_RETRY_LIMIT;
6977 range->r_time_flags = IW_RETRY_LIFETIME;
6978 range->min_retry = 1;
6979 range->max_retry = 65535;
6980 range->min_r_time = 1024;
6981 range->max_r_time = 65535 * 1024;
6982
6983 /* Event capability (kernel + driver) */
6984 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6985 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6986 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6987 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6988 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6989 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6990 return 0;
6991 }
6992
6993 /*------------------------------------------------------------------*/
6994 /*
6995 * Wireless Handler : set Power Management
6996 */
6997 static int airo_set_power(struct net_device *dev,
6998 struct iw_request_info *info,
6999 struct iw_param *vwrq,
7000 char *extra)
7001 {
7002 struct airo_info *local = dev->ml_priv;
7003
7004 readConfigRid(local, 1);
7005 if (vwrq->disabled) {
7006 if (sniffing_mode(local))
7007 return -EINVAL;
7008 local->config.powerSaveMode = POWERSAVE_CAM;
7009 local->config.rmode &= ~RXMODE_MASK;
7010 local->config.rmode |= RXMODE_BC_MC_ADDR;
7011 set_bit (FLAG_COMMIT, &local->flags);
7012 return -EINPROGRESS; /* Call commit handler */
7013 }
7014 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7015 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7016 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7017 set_bit (FLAG_COMMIT, &local->flags);
7018 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7019 local->config.fastListenInterval =
7020 local->config.listenInterval =
7021 cpu_to_le16((vwrq->value + 500) / 1024);
7022 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 }
7025 switch (vwrq->flags & IW_POWER_MODE) {
7026 case IW_POWER_UNICAST_R:
7027 if (sniffing_mode(local))
7028 return -EINVAL;
7029 local->config.rmode &= ~RXMODE_MASK;
7030 local->config.rmode |= RXMODE_ADDR;
7031 set_bit (FLAG_COMMIT, &local->flags);
7032 break;
7033 case IW_POWER_ALL_R:
7034 if (sniffing_mode(local))
7035 return -EINVAL;
7036 local->config.rmode &= ~RXMODE_MASK;
7037 local->config.rmode |= RXMODE_BC_MC_ADDR;
7038 set_bit (FLAG_COMMIT, &local->flags);
7039 case IW_POWER_ON:
7040 /* This is broken, fixme ;-) */
7041 break;
7042 default:
7043 return -EINVAL;
7044 }
7045 // Note : we may want to factor local->need_commit here
7046 // Note2 : may also want to factor RXMODE_RFMON test
7047 return -EINPROGRESS; /* Call commit handler */
7048 }
7049
7050 /*------------------------------------------------------------------*/
7051 /*
7052 * Wireless Handler : get Power Management
7053 */
7054 static int airo_get_power(struct net_device *dev,
7055 struct iw_request_info *info,
7056 struct iw_param *vwrq,
7057 char *extra)
7058 {
7059 struct airo_info *local = dev->ml_priv;
7060 __le16 mode;
7061
7062 readConfigRid(local, 1);
7063 mode = local->config.powerSaveMode;
7064 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7065 return 0;
7066 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7067 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7068 vwrq->flags = IW_POWER_TIMEOUT;
7069 } else {
7070 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7071 vwrq->flags = IW_POWER_PERIOD;
7072 }
7073 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7074 vwrq->flags |= IW_POWER_UNICAST_R;
7075 else
7076 vwrq->flags |= IW_POWER_ALL_R;
7077
7078 return 0;
7079 }
7080
7081 /*------------------------------------------------------------------*/
7082 /*
7083 * Wireless Handler : set Sensitivity
7084 */
7085 static int airo_set_sens(struct net_device *dev,
7086 struct iw_request_info *info,
7087 struct iw_param *vwrq,
7088 char *extra)
7089 {
7090 struct airo_info *local = dev->ml_priv;
7091
7092 readConfigRid(local, 1);
7093 local->config.rssiThreshold =
7094 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7095 set_bit (FLAG_COMMIT, &local->flags);
7096
7097 return -EINPROGRESS; /* Call commit handler */
7098 }
7099
7100 /*------------------------------------------------------------------*/
7101 /*
7102 * Wireless Handler : get Sensitivity
7103 */
7104 static int airo_get_sens(struct net_device *dev,
7105 struct iw_request_info *info,
7106 struct iw_param *vwrq,
7107 char *extra)
7108 {
7109 struct airo_info *local = dev->ml_priv;
7110
7111 readConfigRid(local, 1);
7112 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7113 vwrq->disabled = (vwrq->value == 0);
7114 vwrq->fixed = 1;
7115
7116 return 0;
7117 }
7118
7119 /*------------------------------------------------------------------*/
7120 /*
7121 * Wireless Handler : get AP List
7122 * Note : this is deprecated in favor of IWSCAN
7123 */
7124 static int airo_get_aplist(struct net_device *dev,
7125 struct iw_request_info *info,
7126 struct iw_point *dwrq,
7127 char *extra)
7128 {
7129 struct airo_info *local = dev->ml_priv;
7130 struct sockaddr *address = (struct sockaddr *) extra;
7131 struct iw_quality *qual;
7132 BSSListRid BSSList;
7133 int i;
7134 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7135
7136 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL);
7137 if (!qual)
7138 return -ENOMEM;
7139
7140 for (i = 0; i < IW_MAX_AP; i++) {
7141 u16 dBm;
7142 if (readBSSListRid(local, loseSync, &BSSList))
7143 break;
7144 loseSync = 0;
7145 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7146 address[i].sa_family = ARPHRD_ETHER;
7147 dBm = le16_to_cpu(BSSList.dBm);
7148 if (local->rssi) {
7149 qual[i].level = 0x100 - dBm;
7150 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7151 qual[i].updated = IW_QUAL_QUAL_UPDATED
7152 | IW_QUAL_LEVEL_UPDATED
7153 | IW_QUAL_DBM;
7154 } else {
7155 qual[i].level = (dBm + 321) / 2;
7156 qual[i].qual = 0;
7157 qual[i].updated = IW_QUAL_QUAL_INVALID
7158 | IW_QUAL_LEVEL_UPDATED
7159 | IW_QUAL_DBM;
7160 }
7161 qual[i].noise = local->wstats.qual.noise;
7162 if (BSSList.index == cpu_to_le16(0xffff))
7163 break;
7164 }
7165 if (!i) {
7166 StatusRid status_rid; /* Card status info */
7167 readStatusRid(local, &status_rid, 1);
7168 for (i = 0;
7169 i < min(IW_MAX_AP, 4) &&
7170 (status_rid.bssid[i][0]
7171 & status_rid.bssid[i][1]
7172 & status_rid.bssid[i][2]
7173 & status_rid.bssid[i][3]
7174 & status_rid.bssid[i][4]
7175 & status_rid.bssid[i][5])!=0xff &&
7176 (status_rid.bssid[i][0]
7177 | status_rid.bssid[i][1]
7178 | status_rid.bssid[i][2]
7179 | status_rid.bssid[i][3]
7180 | status_rid.bssid[i][4]
7181 | status_rid.bssid[i][5]);
7182 i++) {
7183 memcpy(address[i].sa_data,
7184 status_rid.bssid[i], ETH_ALEN);
7185 address[i].sa_family = ARPHRD_ETHER;
7186 }
7187 } else {
7188 dwrq->flags = 1; /* Should be define'd */
7189 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7190 sizeof(struct iw_quality) * i);
7191 }
7192 dwrq->length = i;
7193
7194 kfree(qual);
7195 return 0;
7196 }
7197
7198 /*------------------------------------------------------------------*/
7199 /*
7200 * Wireless Handler : Initiate Scan
7201 */
7202 static int airo_set_scan(struct net_device *dev,
7203 struct iw_request_info *info,
7204 struct iw_point *dwrq,
7205 char *extra)
7206 {
7207 struct airo_info *ai = dev->ml_priv;
7208 Cmd cmd;
7209 Resp rsp;
7210 int wake = 0;
7211 APListRid APList_rid_empty;
7212
7213 /* Note : you may have realised that, as this is a SET operation,
7214 * this is privileged and therefore a normal user can't
7215 * perform scanning.
7216 * This is not an error, while the device perform scanning,
7217 * traffic doesn't flow, so it's a perfect DoS...
7218 * Jean II */
7219 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7220
7221 if (down_interruptible(&ai->sem))
7222 return -ERESTARTSYS;
7223
7224 /* If there's already a scan in progress, don't
7225 * trigger another one. */
7226 if (ai->scan_timeout > 0)
7227 goto out;
7228
7229 /* Clear APList as it affects scan results */
7230 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7231 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7232 disable_MAC(ai, 2);
7233 writeAPListRid(ai, &APList_rid_empty, 0);
7234 enable_MAC(ai, 0);
7235
7236 /* Initiate a scan command */
7237 ai->scan_timeout = RUN_AT(3*HZ);
7238 memset(&cmd, 0, sizeof(cmd));
7239 cmd.cmd=CMD_LISTBSS;
7240 issuecommand(ai, &cmd, &rsp);
7241 wake = 1;
7242
7243 out:
7244 up(&ai->sem);
7245 if (wake)
7246 wake_up_interruptible(&ai->thr_wait);
7247 return 0;
7248 }
7249
7250 /*------------------------------------------------------------------*/
7251 /*
7252 * Translate scan data returned from the card to a card independent
7253 * format that the Wireless Tools will understand - Jean II
7254 */
7255 static inline char *airo_translate_scan(struct net_device *dev,
7256 struct iw_request_info *info,
7257 char *current_ev,
7258 char *end_buf,
7259 BSSListRid *bss)
7260 {
7261 struct airo_info *ai = dev->ml_priv;
7262 struct iw_event iwe; /* Temporary buffer */
7263 __le16 capabilities;
7264 char * current_val; /* For rates */
7265 int i;
7266 char * buf;
7267 u16 dBm;
7268
7269 /* First entry *MUST* be the AP MAC address */
7270 iwe.cmd = SIOCGIWAP;
7271 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7272 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7273 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7274 &iwe, IW_EV_ADDR_LEN);
7275
7276 /* Other entries will be displayed in the order we give them */
7277
7278 /* Add the ESSID */
7279 iwe.u.data.length = bss->ssidLen;
7280 if(iwe.u.data.length > 32)
7281 iwe.u.data.length = 32;
7282 iwe.cmd = SIOCGIWESSID;
7283 iwe.u.data.flags = 1;
7284 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7285 &iwe, bss->ssid);
7286
7287 /* Add mode */
7288 iwe.cmd = SIOCGIWMODE;
7289 capabilities = bss->cap;
7290 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7291 if(capabilities & CAP_ESS)
7292 iwe.u.mode = IW_MODE_MASTER;
7293 else
7294 iwe.u.mode = IW_MODE_ADHOC;
7295 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7296 &iwe, IW_EV_UINT_LEN);
7297 }
7298
7299 /* Add frequency */
7300 iwe.cmd = SIOCGIWFREQ;
7301 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7302 iwe.u.freq.m = 100000 *
7303 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ);
7304 iwe.u.freq.e = 1;
7305 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7306 &iwe, IW_EV_FREQ_LEN);
7307
7308 dBm = le16_to_cpu(bss->dBm);
7309
7310 /* Add quality statistics */
7311 iwe.cmd = IWEVQUAL;
7312 if (ai->rssi) {
7313 iwe.u.qual.level = 0x100 - dBm;
7314 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7315 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7316 | IW_QUAL_LEVEL_UPDATED
7317 | IW_QUAL_DBM;
7318 } else {
7319 iwe.u.qual.level = (dBm + 321) / 2;
7320 iwe.u.qual.qual = 0;
7321 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7322 | IW_QUAL_LEVEL_UPDATED
7323 | IW_QUAL_DBM;
7324 }
7325 iwe.u.qual.noise = ai->wstats.qual.noise;
7326 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7327 &iwe, IW_EV_QUAL_LEN);
7328
7329 /* Add encryption capability */
7330 iwe.cmd = SIOCGIWENCODE;
7331 if(capabilities & CAP_PRIVACY)
7332 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7333 else
7334 iwe.u.data.flags = IW_ENCODE_DISABLED;
7335 iwe.u.data.length = 0;
7336 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7337 &iwe, bss->ssid);
7338
7339 /* Rate : stuffing multiple values in a single event require a bit
7340 * more of magic - Jean II */
7341 current_val = current_ev + iwe_stream_lcp_len(info);
7342
7343 iwe.cmd = SIOCGIWRATE;
7344 /* Those two flags are ignored... */
7345 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7346 /* Max 8 values */
7347 for(i = 0 ; i < 8 ; i++) {
7348 /* NULL terminated */
7349 if(bss->rates[i] == 0)
7350 break;
7351 /* Bit rate given in 500 kb/s units (+ 0x80) */
7352 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7353 /* Add new value to event */
7354 current_val = iwe_stream_add_value(info, current_ev,
7355 current_val, end_buf,
7356 &iwe, IW_EV_PARAM_LEN);
7357 }
7358 /* Check if we added any event */
7359 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7360 current_ev = current_val;
7361
7362 /* Beacon interval */
7363 buf = kmalloc(30, GFP_KERNEL);
7364 if (buf) {
7365 iwe.cmd = IWEVCUSTOM;
7366 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7367 iwe.u.data.length = strlen(buf);
7368 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7369 &iwe, buf);
7370 kfree(buf);
7371 }
7372
7373 /* Put WPA/RSN Information Elements into the event stream */
7374 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7375 unsigned int num_null_ies = 0;
7376 u16 length = sizeof (bss->extra.iep);
7377 u8 *ie = (void *)&bss->extra.iep;
7378
7379 while ((length >= 2) && (num_null_ies < 2)) {
7380 if (2 + ie[1] > length) {
7381 /* Invalid element, don't continue parsing IE */
7382 break;
7383 }
7384
7385 switch (ie[0]) {
7386 case WLAN_EID_SSID:
7387 /* Two zero-length SSID elements
7388 * mean we're done parsing elements */
7389 if (!ie[1])
7390 num_null_ies++;
7391 break;
7392
7393 case WLAN_EID_VENDOR_SPECIFIC:
7394 if (ie[1] >= 4 &&
7395 ie[2] == 0x00 &&
7396 ie[3] == 0x50 &&
7397 ie[4] == 0xf2 &&
7398 ie[5] == 0x01) {
7399 iwe.cmd = IWEVGENIE;
7400 /* 64 is an arbitrary cut-off */
7401 iwe.u.data.length = min(ie[1] + 2,
7402 64);
7403 current_ev = iwe_stream_add_point(
7404 info, current_ev,
7405 end_buf, &iwe, ie);
7406 }
7407 break;
7408
7409 case WLAN_EID_RSN:
7410 iwe.cmd = IWEVGENIE;
7411 /* 64 is an arbitrary cut-off */
7412 iwe.u.data.length = min(ie[1] + 2, 64);
7413 current_ev = iwe_stream_add_point(
7414 info, current_ev, end_buf,
7415 &iwe, ie);
7416 break;
7417
7418 default:
7419 break;
7420 }
7421
7422 length -= 2 + ie[1];
7423 ie += 2 + ie[1];
7424 }
7425 }
7426 return current_ev;
7427 }
7428
7429 /*------------------------------------------------------------------*/
7430 /*
7431 * Wireless Handler : Read Scan Results
7432 */
7433 static int airo_get_scan(struct net_device *dev,
7434 struct iw_request_info *info,
7435 struct iw_point *dwrq,
7436 char *extra)
7437 {
7438 struct airo_info *ai = dev->ml_priv;
7439 BSSListElement *net;
7440 int err = 0;
7441 char *current_ev = extra;
7442
7443 /* If a scan is in-progress, return -EAGAIN */
7444 if (ai->scan_timeout > 0)
7445 return -EAGAIN;
7446
7447 if (down_interruptible(&ai->sem))
7448 return -EAGAIN;
7449
7450 list_for_each_entry (net, &ai->network_list, list) {
7451 /* Translate to WE format this entry */
7452 current_ev = airo_translate_scan(dev, info, current_ev,
7453 extra + dwrq->length,
7454 &net->bss);
7455
7456 /* Check if there is space for one more entry */
7457 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7458 /* Ask user space to try again with a bigger buffer */
7459 err = -E2BIG;
7460 goto out;
7461 }
7462 }
7463
7464 /* Length of data */
7465 dwrq->length = (current_ev - extra);
7466 dwrq->flags = 0; /* todo */
7467
7468 out:
7469 up(&ai->sem);
7470 return err;
7471 }
7472
7473 /*------------------------------------------------------------------*/
7474 /*
7475 * Commit handler : called after a bunch of SET operations
7476 */
7477 static int airo_config_commit(struct net_device *dev,
7478 struct iw_request_info *info, /* NULL */
7479 void *zwrq, /* NULL */
7480 char *extra) /* NULL */
7481 {
7482 struct airo_info *local = dev->ml_priv;
7483
7484 if (!test_bit (FLAG_COMMIT, &local->flags))
7485 return 0;
7486
7487 /* Some of the "SET" function may have modified some of the
7488 * parameters. It's now time to commit them in the card */
7489 disable_MAC(local, 1);
7490 if (test_bit (FLAG_RESET, &local->flags)) {
7491 SsidRid SSID_rid;
7492
7493 readSsidRid(local, &SSID_rid);
7494 if (test_bit(FLAG_MPI,&local->flags))
7495 setup_card(local, dev->dev_addr, 1 );
7496 else
7497 reset_airo_card(dev);
7498 disable_MAC(local, 1);
7499 writeSsidRid(local, &SSID_rid, 1);
7500 writeAPListRid(local, &local->APList, 1);
7501 }
7502 if (down_interruptible(&local->sem))
7503 return -ERESTARTSYS;
7504 writeConfigRid(local, 0);
7505 enable_MAC(local, 0);
7506 if (test_bit (FLAG_RESET, &local->flags))
7507 airo_set_promisc(local);
7508 else
7509 up(&local->sem);
7510
7511 return 0;
7512 }
7513
7514 /*------------------------------------------------------------------*/
7515 /*
7516 * Structures to export the Wireless Handlers
7517 */
7518
7519 static const struct iw_priv_args airo_private_args[] = {
7520 /*{ cmd, set_args, get_args, name } */
7521 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7522 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7523 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7524 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7525 };
7526
7527 static const iw_handler airo_handler[] =
7528 {
7529 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7530 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7531 (iw_handler) NULL, /* SIOCSIWNWID */
7532 (iw_handler) NULL, /* SIOCGIWNWID */
7533 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7534 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7535 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7536 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7537 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7538 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7539 (iw_handler) NULL, /* SIOCSIWRANGE */
7540 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7541 (iw_handler) NULL, /* SIOCSIWPRIV */
7542 (iw_handler) NULL, /* SIOCGIWPRIV */
7543 (iw_handler) NULL, /* SIOCSIWSTATS */
7544 (iw_handler) NULL, /* SIOCGIWSTATS */
7545 iw_handler_set_spy, /* SIOCSIWSPY */
7546 iw_handler_get_spy, /* SIOCGIWSPY */
7547 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7548 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7549 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7550 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7551 (iw_handler) NULL, /* -- hole -- */
7552 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7553 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7554 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7555 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7556 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7557 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7558 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7559 (iw_handler) NULL, /* -- hole -- */
7560 (iw_handler) NULL, /* -- hole -- */
7561 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7562 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7563 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7564 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7565 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7566 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7567 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7568 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7569 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7570 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7571 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7572 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7573 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7574 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7575 (iw_handler) NULL, /* -- hole -- */
7576 (iw_handler) NULL, /* -- hole -- */
7577 (iw_handler) NULL, /* SIOCSIWGENIE */
7578 (iw_handler) NULL, /* SIOCGIWGENIE */
7579 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7580 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7581 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7582 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7583 (iw_handler) NULL, /* SIOCSIWPMKSA */
7584 };
7585
7586 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7587 * We want to force the use of the ioctl code, because those can't be
7588 * won't work the iw_handler code (because they simultaneously read
7589 * and write data and iw_handler can't do that).
7590 * Note that it's perfectly legal to read/write on a single ioctl command,
7591 * you just can't use iwpriv and need to force it via the ioctl handler.
7592 * Jean II */
7593 static const iw_handler airo_private_handler[] =
7594 {
7595 NULL, /* SIOCIWFIRSTPRIV */
7596 };
7597
7598 static const struct iw_handler_def airo_handler_def =
7599 {
7600 .num_standard = ARRAY_SIZE(airo_handler),
7601 .num_private = ARRAY_SIZE(airo_private_handler),
7602 .num_private_args = ARRAY_SIZE(airo_private_args),
7603 .standard = airo_handler,
7604 .private = airo_private_handler,
7605 .private_args = airo_private_args,
7606 .get_wireless_stats = airo_get_wireless_stats,
7607 };
7608
7609 /*
7610 * This defines the configuration part of the Wireless Extensions
7611 * Note : irq and spinlock protection will occur in the subroutines
7612 *
7613 * TODO :
7614 * o Check input value more carefully and fill correct values in range
7615 * o Test and shakeout the bugs (if any)
7616 *
7617 * Jean II
7618 *
7619 * Javier Achirica did a great job of merging code from the unnamed CISCO
7620 * developer that added support for flashing the card.
7621 */
7622 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7623 {
7624 int rc = 0;
7625 struct airo_info *ai = dev->ml_priv;
7626
7627 if (ai->power.event)
7628 return 0;
7629
7630 switch (cmd) {
7631 #ifdef CISCO_EXT
7632 case AIROIDIFC:
7633 #ifdef AIROOLDIDIFC
7634 case AIROOLDIDIFC:
7635 #endif
7636 {
7637 int val = AIROMAGIC;
7638 aironet_ioctl com;
7639 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7640 rc = -EFAULT;
7641 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7642 rc = -EFAULT;
7643 }
7644 break;
7645
7646 case AIROIOCTL:
7647 #ifdef AIROOLDIOCTL
7648 case AIROOLDIOCTL:
7649 #endif
7650 /* Get the command struct and hand it off for evaluation by
7651 * the proper subfunction
7652 */
7653 {
7654 aironet_ioctl com;
7655 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7656 rc = -EFAULT;
7657 break;
7658 }
7659
7660 /* Separate R/W functions bracket legality here
7661 */
7662 if ( com.command == AIRORSWVERSION ) {
7663 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7664 rc = -EFAULT;
7665 else
7666 rc = 0;
7667 }
7668 else if ( com.command <= AIRORRID)
7669 rc = readrids(dev,&com);
7670 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7671 rc = writerids(dev,&com);
7672 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7673 rc = flashcard(dev,&com);
7674 else
7675 rc = -EINVAL; /* Bad command in ioctl */
7676 }
7677 break;
7678 #endif /* CISCO_EXT */
7679
7680 // All other calls are currently unsupported
7681 default:
7682 rc = -EOPNOTSUPP;
7683 }
7684 return rc;
7685 }
7686
7687 /*
7688 * Get the Wireless stats out of the driver
7689 * Note : irq and spinlock protection will occur in the subroutines
7690 *
7691 * TODO :
7692 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7693 *
7694 * Jean
7695 */
7696 static void airo_read_wireless_stats(struct airo_info *local)
7697 {
7698 StatusRid status_rid;
7699 StatsRid stats_rid;
7700 CapabilityRid cap_rid;
7701 __le32 *vals = stats_rid.vals;
7702
7703 /* Get stats out of the card */
7704 clear_bit(JOB_WSTATS, &local->jobs);
7705 if (local->power.event) {
7706 up(&local->sem);
7707 return;
7708 }
7709 readCapabilityRid(local, &cap_rid, 0);
7710 readStatusRid(local, &status_rid, 0);
7711 readStatsRid(local, &stats_rid, RID_STATS, 0);
7712 up(&local->sem);
7713
7714 /* The status */
7715 local->wstats.status = le16_to_cpu(status_rid.mode);
7716
7717 /* Signal quality and co */
7718 if (local->rssi) {
7719 local->wstats.qual.level =
7720 airo_rssi_to_dbm(local->rssi,
7721 le16_to_cpu(status_rid.sigQuality));
7722 /* normalizedSignalStrength appears to be a percentage */
7723 local->wstats.qual.qual =
7724 le16_to_cpu(status_rid.normalizedSignalStrength);
7725 } else {
7726 local->wstats.qual.level =
7727 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7728 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7729 }
7730 if (le16_to_cpu(status_rid.len) >= 124) {
7731 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7732 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7733 } else {
7734 local->wstats.qual.noise = 0;
7735 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7736 }
7737
7738 /* Packets discarded in the wireless adapter due to wireless
7739 * specific problems */
7740 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7741 le32_to_cpu(vals[57]) +
7742 le32_to_cpu(vals[58]); /* SSID Mismatch */
7743 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7744 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7745 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7746 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7747 le32_to_cpu(vals[32]);
7748 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7749 }
7750
7751 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7752 {
7753 struct airo_info *local = dev->ml_priv;
7754
7755 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7756 /* Get stats out of the card if available */
7757 if (down_trylock(&local->sem) != 0) {
7758 set_bit(JOB_WSTATS, &local->jobs);
7759 wake_up_interruptible(&local->thr_wait);
7760 } else
7761 airo_read_wireless_stats(local);
7762 }
7763
7764 return &local->wstats;
7765 }
7766
7767 #ifdef CISCO_EXT
7768 /*
7769 * This just translates from driver IOCTL codes to the command codes to
7770 * feed to the radio's host interface. Things can be added/deleted
7771 * as needed. This represents the READ side of control I/O to
7772 * the card
7773 */
7774 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7775 unsigned short ridcode;
7776 unsigned char *iobuf;
7777 int len;
7778 struct airo_info *ai = dev->ml_priv;
7779
7780 if (test_bit(FLAG_FLASHING, &ai->flags))
7781 return -EIO;
7782
7783 switch(comp->command)
7784 {
7785 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7786 case AIROGCFG: ridcode = RID_CONFIG;
7787 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7788 disable_MAC (ai, 1);
7789 writeConfigRid (ai, 1);
7790 enable_MAC(ai, 1);
7791 }
7792 break;
7793 case AIROGSLIST: ridcode = RID_SSID; break;
7794 case AIROGVLIST: ridcode = RID_APLIST; break;
7795 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7796 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7797 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break;
7798 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break;
7799 case AIROGSTAT: ridcode = RID_STATUS; break;
7800 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7801 case AIROGSTATSC32: ridcode = RID_STATS; break;
7802 case AIROGMICSTATS:
7803 if (copy_to_user(comp->data, &ai->micstats,
7804 min((int)comp->len,(int)sizeof(ai->micstats))))
7805 return -EFAULT;
7806 return 0;
7807 case AIRORRID: ridcode = comp->ridnum; break;
7808 default:
7809 return -EINVAL;
7810 }
7811
7812 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) {
7813 /* Only super-user can read WEP keys */
7814 if (!capable(CAP_NET_ADMIN))
7815 return -EPERM;
7816 }
7817
7818 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7819 return -ENOMEM;
7820
7821 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7822 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7823 * then return it to the user
7824 * 9/22/2000 Honor user given length
7825 */
7826 len = comp->len;
7827
7828 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7829 kfree (iobuf);
7830 return -EFAULT;
7831 }
7832 kfree (iobuf);
7833 return 0;
7834 }
7835
7836 /*
7837 * Danger Will Robinson write the rids here
7838 */
7839
7840 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7841 struct airo_info *ai = dev->ml_priv;
7842 int ridcode;
7843 int enabled;
7844 int (*writer)(struct airo_info *, u16 rid, const void *, int, int);
7845 unsigned char *iobuf;
7846
7847 /* Only super-user can write RIDs */
7848 if (!capable(CAP_NET_ADMIN))
7849 return -EPERM;
7850
7851 if (test_bit(FLAG_FLASHING, &ai->flags))
7852 return -EIO;
7853
7854 ridcode = 0;
7855 writer = do_writerid;
7856
7857 switch(comp->command)
7858 {
7859 case AIROPSIDS: ridcode = RID_SSID; break;
7860 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7861 case AIROPAPLIST: ridcode = RID_APLIST; break;
7862 case AIROPCFG: ai->config.len = 0;
7863 clear_bit(FLAG_COMMIT, &ai->flags);
7864 ridcode = RID_CONFIG; break;
7865 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7866 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7867 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7868 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7869 break;
7870 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7871 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7872
7873 /* this is not really a rid but a command given to the card
7874 * same with MAC off
7875 */
7876 case AIROPMACON:
7877 if (enable_MAC(ai, 1) != 0)
7878 return -EIO;
7879 return 0;
7880
7881 /*
7882 * Evidently this code in the airo driver does not get a symbol
7883 * as disable_MAC. it's probably so short the compiler does not gen one.
7884 */
7885 case AIROPMACOFF:
7886 disable_MAC(ai, 1);
7887 return 0;
7888
7889 /* This command merely clears the counts does not actually store any data
7890 * only reads rid. But as it changes the cards state, I put it in the
7891 * writerid routines.
7892 */
7893 case AIROPSTCLR:
7894 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7895 return -ENOMEM;
7896
7897 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7898
7899 enabled = ai->micstats.enabled;
7900 memset(&ai->micstats,0,sizeof(ai->micstats));
7901 ai->micstats.enabled = enabled;
7902
7903 if (copy_to_user(comp->data, iobuf,
7904 min((int)comp->len, (int)RIDSIZE))) {
7905 kfree (iobuf);
7906 return -EFAULT;
7907 }
7908 kfree (iobuf);
7909 return 0;
7910
7911 default:
7912 return -EOPNOTSUPP; /* Blarg! */
7913 }
7914 if(comp->len > RIDSIZE)
7915 return -EINVAL;
7916
7917 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7918 return -ENOMEM;
7919
7920 if (copy_from_user(iobuf,comp->data,comp->len)) {
7921 kfree (iobuf);
7922 return -EFAULT;
7923 }
7924
7925 if (comp->command == AIROPCFG) {
7926 ConfigRid *cfg = (ConfigRid *)iobuf;
7927
7928 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7929 cfg->opmode |= MODE_MIC;
7930
7931 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7932 set_bit (FLAG_ADHOC, &ai->flags);
7933 else
7934 clear_bit (FLAG_ADHOC, &ai->flags);
7935 }
7936
7937 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7938 kfree (iobuf);
7939 return -EIO;
7940 }
7941 kfree (iobuf);
7942 return 0;
7943 }
7944
7945 /*****************************************************************************
7946 * Ancillary flash / mod functions much black magic lurkes here *
7947 *****************************************************************************
7948 */
7949
7950 /*
7951 * Flash command switch table
7952 */
7953
7954 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7955 int z;
7956
7957 /* Only super-user can modify flash */
7958 if (!capable(CAP_NET_ADMIN))
7959 return -EPERM;
7960
7961 switch(comp->command)
7962 {
7963 case AIROFLSHRST:
7964 return cmdreset((struct airo_info *)dev->ml_priv);
7965
7966 case AIROFLSHSTFL:
7967 if (!AIRO_FLASH(dev) &&
7968 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7969 return -ENOMEM;
7970 return setflashmode((struct airo_info *)dev->ml_priv);
7971
7972 case AIROFLSHGCHR: /* Get char from aux */
7973 if(comp->len != sizeof(int))
7974 return -EINVAL;
7975 if (copy_from_user(&z,comp->data,comp->len))
7976 return -EFAULT;
7977 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7978
7979 case AIROFLSHPCHR: /* Send char to card. */
7980 if(comp->len != sizeof(int))
7981 return -EINVAL;
7982 if (copy_from_user(&z,comp->data,comp->len))
7983 return -EFAULT;
7984 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7985
7986 case AIROFLPUTBUF: /* Send 32k to card */
7987 if (!AIRO_FLASH(dev))
7988 return -ENOMEM;
7989 if(comp->len > FLASHSIZE)
7990 return -EINVAL;
7991 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7992 return -EFAULT;
7993
7994 flashputbuf((struct airo_info *)dev->ml_priv);
7995 return 0;
7996
7997 case AIRORESTART:
7998 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
7999 return -EIO;
8000 return 0;
8001 }
8002 return -EINVAL;
8003 }
8004
8005 #define FLASH_COMMAND 0x7e7e
8006
8007 /*
8008 * STEP 1)
8009 * Disable MAC and do soft reset on
8010 * card.
8011 */
8012
8013 static int cmdreset(struct airo_info *ai) {
8014 disable_MAC(ai, 1);
8015
8016 if(!waitbusy (ai)){
8017 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8018 return -EBUSY;
8019 }
8020
8021 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8022
8023 ssleep(1); /* WAS 600 12/7/00 */
8024
8025 if(!waitbusy (ai)){
8026 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8027 return -EBUSY;
8028 }
8029 return 0;
8030 }
8031
8032 /* STEP 2)
8033 * Put the card in legendary flash
8034 * mode
8035 */
8036
8037 static int setflashmode (struct airo_info *ai) {
8038 set_bit (FLAG_FLASHING, &ai->flags);
8039
8040 OUT4500(ai, SWS0, FLASH_COMMAND);
8041 OUT4500(ai, SWS1, FLASH_COMMAND);
8042 if (probe) {
8043 OUT4500(ai, SWS0, FLASH_COMMAND);
8044 OUT4500(ai, COMMAND,0x10);
8045 } else {
8046 OUT4500(ai, SWS2, FLASH_COMMAND);
8047 OUT4500(ai, SWS3, FLASH_COMMAND);
8048 OUT4500(ai, COMMAND,0);
8049 }
8050 msleep(500); /* 500ms delay */
8051
8052 if(!waitbusy(ai)) {
8053 clear_bit (FLAG_FLASHING, &ai->flags);
8054 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8055 return -EIO;
8056 }
8057 return 0;
8058 }
8059
8060 /* Put character to SWS0 wait for dwelltime
8061 * x 50us for echo .
8062 */
8063
8064 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8065 int echo;
8066 int waittime;
8067
8068 byte |= 0x8000;
8069
8070 if(dwelltime == 0 )
8071 dwelltime = 200;
8072
8073 waittime=dwelltime;
8074
8075 /* Wait for busy bit d15 to go false indicating buffer empty */
8076 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8077 udelay (50);
8078 waittime -= 50;
8079 }
8080
8081 /* timeout for busy clear wait */
8082 if(waittime <= 0 ){
8083 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8084 return -EBUSY;
8085 }
8086
8087 /* Port is clear now write byte and wait for it to echo back */
8088 do {
8089 OUT4500(ai,SWS0,byte);
8090 udelay(50);
8091 dwelltime -= 50;
8092 echo = IN4500(ai,SWS1);
8093 } while (dwelltime >= 0 && echo != byte);
8094
8095 OUT4500(ai,SWS1,0);
8096
8097 return (echo == byte) ? 0 : -EIO;
8098 }
8099
8100 /*
8101 * Get a character from the card matching matchbyte
8102 * Step 3)
8103 */
8104 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8105 int rchar;
8106 unsigned char rbyte=0;
8107
8108 do {
8109 rchar = IN4500(ai,SWS1);
8110
8111 if(dwelltime && !(0x8000 & rchar)){
8112 dwelltime -= 10;
8113 mdelay(10);
8114 continue;
8115 }
8116 rbyte = 0xff & rchar;
8117
8118 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8119 OUT4500(ai,SWS1,0);
8120 return 0;
8121 }
8122 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8123 break;
8124 OUT4500(ai,SWS1,0);
8125
8126 }while(dwelltime > 0);
8127 return -EIO;
8128 }
8129
8130 /*
8131 * Transfer 32k of firmware data from user buffer to our buffer and
8132 * send to the card
8133 */
8134
8135 static int flashputbuf(struct airo_info *ai){
8136 int nwords;
8137
8138 /* Write stuff */
8139 if (test_bit(FLAG_MPI,&ai->flags))
8140 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8141 else {
8142 OUT4500(ai,AUXPAGE,0x100);
8143 OUT4500(ai,AUXOFF,0);
8144
8145 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8146 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8147 }
8148 }
8149 OUT4500(ai,SWS0,0x8000);
8150
8151 return 0;
8152 }
8153
8154 /*
8155 *
8156 */
8157 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8158 int i,status;
8159
8160 ssleep(1); /* Added 12/7/00 */
8161 clear_bit (FLAG_FLASHING, &ai->flags);
8162 if (test_bit(FLAG_MPI, &ai->flags)) {
8163 status = mpi_init_descriptors(ai);
8164 if (status != SUCCESS)
8165 return status;
8166 }
8167 status = setup_card(ai, dev->dev_addr, 1);
8168
8169 if (!test_bit(FLAG_MPI,&ai->flags))
8170 for( i = 0; i < MAX_FIDS; i++ ) {
8171 ai->fids[i] = transmit_allocate
8172 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8173 }
8174
8175 ssleep(1); /* Added 12/7/00 */
8176 return status;
8177 }
8178 #endif /* CISCO_EXT */
8179
8180 /*
8181 This program is free software; you can redistribute it and/or
8182 modify it under the terms of the GNU General Public License
8183 as published by the Free Software Foundation; either version 2
8184 of the License, or (at your option) any later version.
8185
8186 This program is distributed in the hope that it will be useful,
8187 but WITHOUT ANY WARRANTY; without even the implied warranty of
8188 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8189 GNU General Public License for more details.
8190
8191 In addition:
8192
8193 Redistribution and use in source and binary forms, with or without
8194 modification, are permitted provided that the following conditions
8195 are met:
8196
8197 1. Redistributions of source code must retain the above copyright
8198 notice, this list of conditions and the following disclaimer.
8199 2. Redistributions in binary form must reproduce the above copyright
8200 notice, this list of conditions and the following disclaimer in the
8201 documentation and/or other materials provided with the distribution.
8202 3. The name of the author may not be used to endorse or promote
8203 products derived from this software without specific prior written
8204 permission.
8205
8206 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8207 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8208 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8209 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8210 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8211 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8212 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8213 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8214 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8215 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8216 POSSIBILITY OF SUCH DAMAGE.
8217 */
8218
8219 module_init(airo_init_module);
8220 module_exit(airo_cleanup_module);
Linux with added FPC-III support