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1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/unaligned.h>
41
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <asm/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
51
52 #include <linux/ieee80211.h>
53 #include <net/iw_handler.h>
54
55 #include "airo.h"
56
57 #define DRV_NAME "airo"
58
59 #ifdef CONFIG_PCI
60 static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69 };
70 MODULE_DEVICE_TABLE(pci, card_ids);
71
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
76
77 static struct pci_driver airo_driver = {
78 .name = DRV_NAME,
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84 };
85 #endif /* CONFIG_PCI */
86
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
90
91 #define CISCO_EXT /* enable Cisco extensions */
92 #ifdef CISCO_EXT
93 #include <linux/delay.h>
94 #endif
95
96 /* Hack to do some power saving */
97 #define POWER_ON_DOWN
98
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105 #define IGNLABEL(comment) NULL
106 static const char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208 #ifndef RUN_AT
209 #define RUN_AT(x) (jiffies+(x))
210 #endif
211
212
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217 static int rates[8];
218 static char *ssids[3];
219
220 static int io[4];
221 static int irq[4];
222
223 static
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230 static int adhoc;
231
232 static int probe = 1;
233
234 static kuid_t proc_kuid;
235 static int proc_uid /* = 0 */;
236
237 static kgid_t proc_kgid;
238 static int proc_gid /* = 0 */;
239
240 static int airo_perm = 0555;
241
242 static int proc_perm = 0644;
243
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
286
287 /* Return codes */
288 #define SUCCESS 0
289 #define ERROR -1
290 #define NO_PACKET -2
291
292 /* Commands */
293 #define NOP2 0x0000
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
306 #define NOP 0x0010
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
329
330 /* Command errors */
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
363
364 /* Registers */
365 #define COMMAND 0x00
366 #define PARAM0 0x02
367 #define PARAM1 0x04
368 #define PARAM2 0x06
369 #define STATUS 0x08
370 #define RESP0 0x0a
371 #define RESP1 0x0c
372 #define RESP2 0x0e
373 #define LINKSTAT 0x10
374 #define SELECT0 0x18
375 #define OFFSET0 0x1c
376 #define RXFID 0x20
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
379 #define DATA0 0x36
380 #define EVSTAT 0x30
381 #define EVINTEN 0x32
382 #define EVACK 0x34
383 #define SWS0 0x28
384 #define SWS1 0x2a
385 #define SWS2 0x2c
386 #define SWS3 0x2e
387 #define AUXPAGE 0x3A
388 #define AUXOFF 0x3C
389 #define AUXDATA 0x3E
390
391 #define FID_TX 1
392 #define FID_RX 2
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
396 #define PKTSIZE 1840
397 #define RIDSIZE 2048
398 /* Size of the transmit queue */
399 #define MAXTXQ 64
400
401 /* BAP selectors */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405 /* Flags */
406 #define COMMAND_BUSY 0x8000
407
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
411
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
414
415 #define EV_CMD 0x10
416 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_RX 0x01
418 #define EV_TX 0x02
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
421 #define EV_LINK 0x80
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #else
432 #define IGNORE_INTS (~STATUS_INTS)
433 #endif
434
435 /* RID TYPES */
436 #define RID_RW 0x20
437
438 /* The RIDs */
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
478
479 typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484 } Cmd;
485
486 typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491 } Resp;
492
493 /*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501 typedef struct WepKeyRid WepKeyRid;
502 struct WepKeyRid {
503 __le16 len;
504 __le16 kindex;
505 u8 mac[ETH_ALEN];
506 __le16 klen;
507 u8 key[16];
508 } __packed;
509
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct Ssid Ssid;
512 struct Ssid {
513 __le16 len;
514 u8 ssid[32];
515 } __packed;
516
517 typedef struct SsidRid SsidRid;
518 struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521 } __packed;
522
523 typedef struct ModulationRid ModulationRid;
524 struct ModulationRid {
525 __le16 len;
526 __le16 modulation;
527 #define MOD_DEFAULT cpu_to_le16(0)
528 #define MOD_CCK cpu_to_le16(1)
529 #define MOD_MOK cpu_to_le16(2)
530 } __packed;
531
532 typedef struct ConfigRid ConfigRid;
533 struct ConfigRid {
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536 #define MODE_STA_IBSS cpu_to_le16(0)
537 #define MODE_STA_ESS cpu_to_le16(1)
538 #define MODE_AP cpu_to_le16(2)
539 #define MODE_AP_RPTR cpu_to_le16(3)
540 #define MODE_CFG_MASK cpu_to_le16(0xff)
541 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557 #define RXMODE_MASK cpu_to_le16(255)
558 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
576 __le16 scanMode;
577 #define SCANMODE_ACTIVE cpu_to_le16(0)
578 #define SCANMODE_PASSIVE cpu_to_le16(1)
579 #define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587 #define AUTH_OPEN cpu_to_le16(0x1)
588 #define AUTH_ENCRYPT cpu_to_le16(0x101)
589 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
590 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602 #define POWERSAVE_CAM cpu_to_le16(0)
603 #define POWERSAVE_PSP cpu_to_le16(1)
604 #define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
620 /*---------- Radio configuration ----------*/
621 __le16 radioType;
622 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
623 #define RADIOTYPE_802_11 cpu_to_le16(1)
624 #define RADIOTYPE_LEGACY cpu_to_le16(2)
625 u8 rxDiversity;
626 u8 txDiversity;
627 __le16 txPower;
628 #define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630 #define RSSI_DEFAULT 0
631 __le16 modulation;
632 #define PREAMBLE_AUTO cpu_to_le16(0)
633 #define PREAMBLE_LONG cpu_to_le16(1)
634 #define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646 #define MAGIC_ACTION_STSCHG 1
647 #define MAGIC_ACTION_RESUME 2
648 #define MAGIC_IGNORE_MCAST (1<<8)
649 #define MAGIC_IGNORE_BCAST (1<<9)
650 #define MAGIC_SWITCH_TO_PSP (0<<10)
651 #define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
653 __le16 autoWake;
654 } __packed;
655
656 typedef struct StatusRid StatusRid;
657 struct StatusRid {
658 __le16 len;
659 u8 mac[ETH_ALEN];
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689 __le16 load;
690 u8 carrier[4];
691 __le16 assocStatus;
692 #define STAT_NOPACKETS 0
693 #define STAT_NOCARRIERSET 10
694 #define STAT_GOTCARRIERSET 11
695 #define STAT_WRONGSSID 20
696 #define STAT_BADCHANNEL 25
697 #define STAT_BADBITRATES 30
698 #define STAT_BADPRIVACY 35
699 #define STAT_APFOUND 40
700 #define STAT_APREJECTED 50
701 #define STAT_AUTHENTICATING 60
702 #define STAT_DEAUTHENTICATED 61
703 #define STAT_AUTHTIMEOUT 62
704 #define STAT_ASSOCIATING 70
705 #define STAT_DEASSOCIATED 71
706 #define STAT_ASSOCTIMEOUT 72
707 #define STAT_NOTAIROAP 73
708 #define STAT_ASSOCIATED 80
709 #define STAT_LEAPING 90
710 #define STAT_LEAPFAILED 91
711 #define STAT_LEAPTIMEDOUT 92
712 #define STAT_LEAPCOMPLETE 93
713 } __packed;
714
715 typedef struct StatsRid StatsRid;
716 struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720 } __packed;
721
722 typedef struct APListRid APListRid;
723 struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726 } __packed;
727
728 typedef struct CapabilityRid CapabilityRid;
729 struct CapabilityRid {
730 __le16 len;
731 char oui[3];
732 char zero;
733 __le16 prodNum;
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
739 __le16 radioType;
740 __le16 country;
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
756 } __packed;
757
758 /* Only present on firmware >= 5.30.17 */
759 typedef struct BSSListRidExtra BSSListRidExtra;
760 struct BSSListRidExtra {
761 __le16 unknown[4];
762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
764 } __packed;
765
766 typedef struct BSSListRid BSSListRid;
767 struct BSSListRid {
768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770 #define RADIO_FH 1 /* Frequency hopping radio type */
771 #define RADIO_DS 2 /* Direct sequence radio type */
772 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
773 __le16 radioType;
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
778 __le16 dBm;
779 #define CAP_ESS cpu_to_le16(1<<0)
780 #define CAP_IBSS cpu_to_le16(1<<1)
781 #define CAP_PRIVACY cpu_to_le16(1<<4)
782 #define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
787 __le16 dwell;
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
793 __le16 dsChannel;
794 __le16 atimWindow;
795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
798 } __packed;
799
800 typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803 } BSSListElement;
804
805 typedef struct tdsRssiEntry tdsRssiEntry;
806 struct tdsRssiEntry {
807 u8 rssipct;
808 u8 rssidBm;
809 } __packed;
810
811 typedef struct tdsRssiRid tdsRssiRid;
812 struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815 } __packed;
816
817 typedef struct MICRid MICRid;
818 struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
822 u8 multicast[16];
823 __le16 unicastValid;
824 u8 unicast[16];
825 } __packed;
826
827 typedef struct MICBuffer MICBuffer;
828 struct MICBuffer {
829 __be16 typelen;
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
841 __be32 mic;
842 __be32 seq;
843 } __packed;
844
845 typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848 } etherHead;
849
850 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
851 #define TXCTL_TXEX (1<<2) /* report if tx fails */
852 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
853 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855 #define TXCTL_LLC (1<<4) /* payload is llc */
856 #define TXCTL_RELEASE (0<<5) /* release after completion */
857 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859 #define BUSY_FID 0x10000
860
861 #ifdef CISCO_EXT
862 #define AIROMAGIC 0xa55a
863 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864 #ifdef SIOCIWFIRSTPRIV
865 #ifdef SIOCDEVPRIVATE
866 #define AIROOLDIOCTL SIOCDEVPRIVATE
867 #define AIROOLDIDIFC AIROOLDIOCTL + 1
868 #endif /* SIOCDEVPRIVATE */
869 #else /* SIOCIWFIRSTPRIV */
870 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871 #endif /* SIOCIWFIRSTPRIV */
872 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876 #define AIROIOCTL SIOCIWFIRSTPRIV
877 #define AIROIDIFC AIROIOCTL + 1
878
879 /* Ioctl constants to be used in airo_ioctl.command */
880
881 #define AIROGCAP 0 // Capability rid
882 #define AIROGCFG 1 // USED A LOT
883 #define AIROGSLIST 2 // System ID list
884 #define AIROGVLIST 3 // List of specified AP's
885 #define AIROGDRVNAM 4 // NOTUSED
886 #define AIROGEHTENC 5 // NOTUSED
887 #define AIROGWEPKTMP 6
888 #define AIROGWEPKNV 7
889 #define AIROGSTAT 8
890 #define AIROGSTATSC32 9
891 #define AIROGSTATSD32 10
892 #define AIROGMICRID 11
893 #define AIROGMICSTATS 12
894 #define AIROGFLAGS 13
895 #define AIROGID 14
896 #define AIRORRID 15
897 #define AIRORSWVERSION 17
898
899 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901 #define AIROPCAP AIROGSTATSD32 + 40
902 #define AIROPVLIST AIROPCAP + 1
903 #define AIROPSLIST AIROPVLIST + 1
904 #define AIROPCFG AIROPSLIST + 1
905 #define AIROPSIDS AIROPCFG + 1
906 #define AIROPAPLIST AIROPSIDS + 1
907 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909 #define AIROPSTCLR AIROPMACOFF + 1
910 #define AIROPWEPKEY AIROPSTCLR + 1
911 #define AIROPWEPKEYNV AIROPWEPKEY + 1
912 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
913 #define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915 /* Flash codes */
916
917 #define AIROFLSHRST AIROPWEPKEYNV + 40
918 #define AIROFLSHGCHR AIROFLSHRST + 1
919 #define AIROFLSHSTFL AIROFLSHGCHR + 1
920 #define AIROFLSHPCHR AIROFLSHSTFL + 1
921 #define AIROFLPUTBUF AIROFLSHPCHR + 1
922 #define AIRORESTART AIROFLPUTBUF + 1
923
924 #define FLASHSIZE 32768
925 #define AUXMEMSIZE (256 * 1024)
926
927 typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932 } aironet_ioctl;
933
934 static const char swversion[] = "2.1";
935 #endif /* CISCO_EXT */
936
937 #define NUM_MODULES 2
938 #define MIC_MSGLEN_MAX 2400
939 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940 #define AIRO_DEF_MTU 2312
941
942 typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951 } mic_statistics;
952
953 typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
959 __be32 d32;
960 } part; // saves partial message word across update() calls
961 } emmh32_context;
962
963 typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970 } miccntx;
971
972 typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975 } mic_module;
976
977 typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982 } Rid;
983
984 typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990 } TxFid;
991
992 struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998 } __packed;
999
1000 typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006 } RxFid;
1007
1008 /*
1009 * Host receive descriptor
1010 */
1011 typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018 } HostRxDesc;
1019
1020 /*
1021 * Host transmit descriptor
1022 */
1023 typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030 } HostTxDesc;
1031
1032 /*
1033 * Host RID descriptor
1034 */
1035 typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041 } HostRidDesc;
1042
1043 typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048 #define HOST_SET (1 << 0)
1049 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055 #define HOST_RTS (1 << 9) /* Force RTS use */
1056 #define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061 } TxCtlHdr;
1062
1063 typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071 } WifiHdr;
1072
1073
1074 typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081 } WifiCtlHdr;
1082
1083 static WifiCtlHdr wifictlhdr8023 = {
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087 };
1088
1089 // A few details needed for WEP (Wireless Equivalent Privacy)
1090 #define MAX_KEY_SIZE 13 // 128 (?) bits
1091 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092 typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095 } wep_key_t;
1096
1097 /* List of Wireless Handlers (new API) */
1098 static const struct iw_handler_def airo_handler_def;
1099
1100 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102 struct airo_info;
1103
1104 static int get_dec_u16( char *buffer, int *start, int limit );
1105 static void OUT4500( struct airo_info *, u16 register, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 register );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 int whichbap);
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119 int whichbap);
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1135
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1142 #ifdef CISCO_EXT
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155 static void airo_networks_free(struct airo_info *ai);
1156
1157 struct airo_info {
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162 #define MAX_FIDS 6
1163 #define MPI_MAX_FIDS 1
1164 u32 fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1182 #define FLAG_MPI 11
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189 #define JOB_DIE 0
1190 #define JOB_XMIT 1
1191 #define JOB_XMIT11 2
1192 #define JOB_STATS 3
1193 #define JOB_PROMISC 4
1194 #define JOB_MIC 5
1195 #define JOB_EVENT 6
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1218 /* MIC stuff */
1219 struct crypto_cipher *tfm;
1220 mic_module mod[2];
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1232 pm_message_t power;
1233 SsidRid *SSID;
1234 APListRid *APList;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1237
1238 int wep_capable;
1239 int max_wep_idx;
1240
1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1249 };
1250
1251 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253 {
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255 }
1256
1257 static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259 static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
1262 static int cmdreset(struct airo_info *ai);
1263 static int setflashmode (struct airo_info *ai);
1264 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265 static int flashputbuf(struct airo_info *ai);
1266 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
1268 #define airo_print(type, name, fmt, args...) \
1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1270
1271 #define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274 #define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277 #define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280 #define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
1283 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1284
1285 /***********************************************************************
1286 * MIC ROUTINES *
1287 ***********************************************************************
1288 */
1289
1290 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291 static void MoveWindow(miccntx *context, u32 micSeq);
1292 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
1294 static void emmh32_init(emmh32_context *context);
1295 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1298
1299 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301 {
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1304 */
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1310
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1317
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320 }
1321
1322 /* micinit - Initialize mic seed */
1323
1324 static void micinit(struct airo_info *ai)
1325 {
1326 MICRid mic_rid;
1327
1328 clear_bit(JOB_MIC, &ai->jobs);
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1336 */
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1352 }
1353 }
1354
1355 /* micsetup - Get ready for business */
1356
1357 static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1362
1363 if (IS_ERR(ai->tfm)) {
1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
1365 ai->tfm = NULL;
1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374 }
1375
1376 static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1377
1378 /*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 * Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1389 *
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395 {
1396 miccntx *context;
1397
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413 // Add Tx sequence
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 return SUCCESS;
1427 }
1428
1429 typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435 } mic_error;
1436
1437 /*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 * Inputs: etherHead pointer to the 802.3 packet
1442 *
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451 {
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458 // Check if the packet is a Mic'd packet
1459
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1479
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1482
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494 //Make sure context is valid
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500 //DeMic it
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1510 //Calculate MIC
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 //Invalid Mic
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529 // Update statistics
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538 }
1539
1540 /*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1543 *
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1546 *
1547 * Returns: TRUE if valid otherwise FALSE.
1548 *
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555 {
1556 u32 seq,index;
1557
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1571 }
1572
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1575
1576 //Too old of a SEQ number to check.
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1589
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600 }
1601
1602 static void MoveWindow(miccntx *context, u32 micSeq)
1603 {
1604 u32 shift;
1605
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610 //Shift out old
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq; //Move window
1617 }
1618 }
1619
1620 /*==============================================*/
1621 /*========== EMMH ROUTINES ====================*/
1622 /*==============================================*/
1623
1624 /* mic accumulate */
1625 #define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628 static unsigned char aes_counter[16];
1629
1630 /* expand the key to fill the MMH coefficient array */
1631 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1633 {
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1654 j += 4;
1655 }
1656 }
1657 }
1658
1659 /* prepare for calculation of a new mic */
1660 static void emmh32_init(emmh32_context *context)
1661 {
1662 /* prepare for new mic calculation */
1663 context->accum = 0;
1664 context->position = 0;
1665 }
1666
1667 /* add some bytes to the mic calculation */
1668 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1669 {
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
1686 MIC_ACCUM(ntohl(context->part.d32));
1687 }
1688
1689 /* deal with full 32-bit words */
1690 while (len >= 4) {
1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697 /* deal with partial 32-bit word that will be left over from this update */
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704 }
1705
1706 /* mask used to zero empty bytes for final partial word */
1707 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709 /* calculate the mic */
1710 static void emmh32_final(emmh32_context *context, u8 digest[4])
1711 {
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
1724 val = ntohl(context->part.d32);
1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 }
1727
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741 }
1742
1743 static int readBSSListRid(struct airo_info *ai, int first,
1744 BSSListRid *list)
1745 {
1746 Cmd cmd;
1747 Resp rsp;
1748
1749 if (first == 1) {
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
1755 ai->list_bss_task = current;
1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758 /* Let the command take effect */
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
1761 }
1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763 list, ai->bssListRidLen, 1);
1764 }
1765
1766 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767 {
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769 wkr, sizeof(*wkr), lock);
1770 }
1771
1772 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773 {
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1778 if (perm) {
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1782 }
1783 return rc;
1784 }
1785
1786 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787 {
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1789 }
1790
1791 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792 {
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1794 }
1795
1796 static int readConfigRid(struct airo_info *ai, int lock)
1797 {
1798 int rc;
1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1808 ai->config = cfg;
1809 return SUCCESS;
1810 }
1811
1812 static inline void checkThrottle(struct airo_info *ai)
1813 {
1814 int i;
1815 /* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823 }
1824
1825 static int writeConfigRid(struct airo_info *ai, int lock)
1826 {
1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843 }
1844
1845 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846 {
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1848 }
1849
1850 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851 {
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1853 }
1854
1855 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856 {
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1858 }
1859
1860 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861 {
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1863 }
1864
1865 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866 {
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1868 }
1869
1870 static void try_auto_wep(struct airo_info *ai)
1871 {
1872 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876 }
1877
1878 static int airo_open(struct net_device *dev) {
1879 struct airo_info *ai = dev->ml_priv;
1880 int rc = 0;
1881
1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1883 return -EIO;
1884
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet committed, do it now - Jean II */
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1892 }
1893
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1897 if (IS_ERR(ai->airo_thread_task))
1898 return (int)PTR_ERR(ai->airo_thread_task);
1899
1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1901 dev->name, dev);
1902 if (rc) {
1903 airo_print_err(dev->name,
1904 "register interrupt %d failed, rc %d",
1905 dev->irq, rc);
1906 set_bit(JOB_DIE, &ai->jobs);
1907 kthread_stop(ai->airo_thread_task);
1908 return rc;
1909 }
1910
1911 /* Power on the MAC controller (which may have been disabled) */
1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1913 enable_interrupts(ai);
1914
1915 try_auto_wep(ai);
1916 }
1917 enable_MAC(ai, 1);
1918
1919 netif_start_queue(dev);
1920 return 0;
1921 }
1922
1923 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1924 struct net_device *dev)
1925 {
1926 int npacks, pending;
1927 unsigned long flags;
1928 struct airo_info *ai = dev->ml_priv;
1929
1930 if (!skb) {
1931 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1932 return NETDEV_TX_OK;
1933 }
1934 npacks = skb_queue_len (&ai->txq);
1935
1936 if (npacks >= MAXTXQ - 1) {
1937 netif_stop_queue (dev);
1938 if (npacks > MAXTXQ) {
1939 dev->stats.tx_fifo_errors++;
1940 return NETDEV_TX_BUSY;
1941 }
1942 skb_queue_tail (&ai->txq, skb);
1943 return NETDEV_TX_OK;
1944 }
1945
1946 spin_lock_irqsave(&ai->aux_lock, flags);
1947 skb_queue_tail (&ai->txq, skb);
1948 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1949 spin_unlock_irqrestore(&ai->aux_lock,flags);
1950 netif_wake_queue (dev);
1951
1952 if (pending == 0) {
1953 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1954 mpi_send_packet (dev);
1955 }
1956 return NETDEV_TX_OK;
1957 }
1958
1959 /*
1960 * @mpi_send_packet
1961 *
1962 * Attempt to transmit a packet. Can be called from interrupt
1963 * or transmit . return number of packets we tried to send
1964 */
1965
1966 static int mpi_send_packet (struct net_device *dev)
1967 {
1968 struct sk_buff *skb;
1969 unsigned char *buffer;
1970 s16 len;
1971 __le16 *payloadLen;
1972 struct airo_info *ai = dev->ml_priv;
1973 u8 *sendbuf;
1974
1975 /* get a packet to send */
1976
1977 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1978 airo_print_err(dev->name,
1979 "%s: Dequeue'd zero in send_packet()",
1980 __func__);
1981 return 0;
1982 }
1983
1984 /* check min length*/
1985 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1986 buffer = skb->data;
1987
1988 ai->txfids[0].tx_desc.offset = 0;
1989 ai->txfids[0].tx_desc.valid = 1;
1990 ai->txfids[0].tx_desc.eoc = 1;
1991 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1992
1993 /*
1994 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1995 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1996 * is immediately after it. ------------------------------------------------
1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1998 * ------------------------------------------------
1999 */
2000
2001 memcpy(ai->txfids[0].virtual_host_addr,
2002 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2003
2004 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023));
2006 sendbuf = ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023) + 2 ;
2008
2009 /*
2010 * Firmware automatically puts 802 header on so
2011 * we don't need to account for it in the length
2012 */
2013 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2014 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2015 MICBuffer pMic;
2016
2017 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2018 return ERROR;
2019
2020 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2021 ai->txfids[0].tx_desc.len += sizeof(pMic);
2022 /* copy data into airo dma buffer */
2023 memcpy (sendbuf, buffer, sizeof(etherHead));
2024 buffer += sizeof(etherHead);
2025 sendbuf += sizeof(etherHead);
2026 memcpy (sendbuf, &pMic, sizeof(pMic));
2027 sendbuf += sizeof(pMic);
2028 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2029 } else {
2030 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2031
2032 dev->trans_start = jiffies;
2033
2034 /* copy data into airo dma buffer */
2035 memcpy(sendbuf, buffer, len);
2036 }
2037
2038 memcpy_toio(ai->txfids[0].card_ram_off,
2039 &ai->txfids[0].tx_desc, sizeof(TxFid));
2040
2041 OUT4500(ai, EVACK, 8);
2042
2043 dev_kfree_skb_any(skb);
2044 return 1;
2045 }
2046
2047 static void get_tx_error(struct airo_info *ai, s32 fid)
2048 {
2049 __le16 status;
2050
2051 if (fid < 0)
2052 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2053 else {
2054 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2055 return;
2056 bap_read(ai, &status, 2, BAP0);
2057 }
2058 if (le16_to_cpu(status) & 2) /* Too many retries */
2059 ai->dev->stats.tx_aborted_errors++;
2060 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2061 ai->dev->stats.tx_heartbeat_errors++;
2062 if (le16_to_cpu(status) & 8) /* Aid fail */
2063 { }
2064 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2065 ai->dev->stats.tx_carrier_errors++;
2066 if (le16_to_cpu(status) & 0x20) /* Association lost */
2067 { }
2068 /* We produce a TXDROP event only for retry or lifetime
2069 * exceeded, because that's the only status that really mean
2070 * that this particular node went away.
2071 * Other errors means that *we* screwed up. - Jean II */
2072 if ((le16_to_cpu(status) & 2) ||
2073 (le16_to_cpu(status) & 4)) {
2074 union iwreq_data wrqu;
2075 char junk[0x18];
2076
2077 /* Faster to skip over useless data than to do
2078 * another bap_setup(). We are at offset 0x6 and
2079 * need to go to 0x18 and read 6 bytes - Jean II */
2080 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2081
2082 /* Copy 802.11 dest address.
2083 * We use the 802.11 header because the frame may
2084 * not be 802.3 or may be mangled...
2085 * In Ad-Hoc mode, it will be the node address.
2086 * In managed mode, it will be most likely the AP addr
2087 * User space will figure out how to convert it to
2088 * whatever it needs (IP address or else).
2089 * - Jean II */
2090 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2091 wrqu.addr.sa_family = ARPHRD_ETHER;
2092
2093 /* Send event to user space */
2094 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2095 }
2096 }
2097
2098 static void airo_end_xmit(struct net_device *dev) {
2099 u16 status;
2100 int i;
2101 struct airo_info *priv = dev->ml_priv;
2102 struct sk_buff *skb = priv->xmit.skb;
2103 int fid = priv->xmit.fid;
2104 u32 *fids = priv->fids;
2105
2106 clear_bit(JOB_XMIT, &priv->jobs);
2107 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2108 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2109 up(&priv->sem);
2110
2111 i = 0;
2112 if ( status == SUCCESS ) {
2113 dev->trans_start = jiffies;
2114 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2115 } else {
2116 priv->fids[fid] &= 0xffff;
2117 dev->stats.tx_window_errors++;
2118 }
2119 if (i < MAX_FIDS / 2)
2120 netif_wake_queue(dev);
2121 dev_kfree_skb(skb);
2122 }
2123
2124 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2125 struct net_device *dev)
2126 {
2127 s16 len;
2128 int i, j;
2129 struct airo_info *priv = dev->ml_priv;
2130 u32 *fids = priv->fids;
2131
2132 if ( skb == NULL ) {
2133 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2134 return NETDEV_TX_OK;
2135 }
2136
2137 /* Find a vacant FID */
2138 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2139 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2140
2141 if ( j >= MAX_FIDS / 2 ) {
2142 netif_stop_queue(dev);
2143
2144 if (i == MAX_FIDS / 2) {
2145 dev->stats.tx_fifo_errors++;
2146 return NETDEV_TX_BUSY;
2147 }
2148 }
2149 /* check min length*/
2150 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2151 /* Mark fid as used & save length for later */
2152 fids[i] |= (len << 16);
2153 priv->xmit.skb = skb;
2154 priv->xmit.fid = i;
2155 if (down_trylock(&priv->sem) != 0) {
2156 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2157 netif_stop_queue(dev);
2158 set_bit(JOB_XMIT, &priv->jobs);
2159 wake_up_interruptible(&priv->thr_wait);
2160 } else
2161 airo_end_xmit(dev);
2162 return NETDEV_TX_OK;
2163 }
2164
2165 static void airo_end_xmit11(struct net_device *dev) {
2166 u16 status;
2167 int i;
2168 struct airo_info *priv = dev->ml_priv;
2169 struct sk_buff *skb = priv->xmit11.skb;
2170 int fid = priv->xmit11.fid;
2171 u32 *fids = priv->fids;
2172
2173 clear_bit(JOB_XMIT11, &priv->jobs);
2174 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2175 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2176 up(&priv->sem);
2177
2178 i = MAX_FIDS / 2;
2179 if ( status == SUCCESS ) {
2180 dev->trans_start = jiffies;
2181 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2182 } else {
2183 priv->fids[fid] &= 0xffff;
2184 dev->stats.tx_window_errors++;
2185 }
2186 if (i < MAX_FIDS)
2187 netif_wake_queue(dev);
2188 dev_kfree_skb(skb);
2189 }
2190
2191 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2192 struct net_device *dev)
2193 {
2194 s16 len;
2195 int i, j;
2196 struct airo_info *priv = dev->ml_priv;
2197 u32 *fids = priv->fids;
2198
2199 if (test_bit(FLAG_MPI, &priv->flags)) {
2200 /* Not implemented yet for MPI350 */
2201 netif_stop_queue(dev);
2202 dev_kfree_skb_any(skb);
2203 return NETDEV_TX_OK;
2204 }
2205
2206 if ( skb == NULL ) {
2207 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2208 return NETDEV_TX_OK;
2209 }
2210
2211 /* Find a vacant FID */
2212 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2213 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2214
2215 if ( j >= MAX_FIDS ) {
2216 netif_stop_queue(dev);
2217
2218 if (i == MAX_FIDS) {
2219 dev->stats.tx_fifo_errors++;
2220 return NETDEV_TX_BUSY;
2221 }
2222 }
2223 /* check min length*/
2224 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2225 /* Mark fid as used & save length for later */
2226 fids[i] |= (len << 16);
2227 priv->xmit11.skb = skb;
2228 priv->xmit11.fid = i;
2229 if (down_trylock(&priv->sem) != 0) {
2230 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 netif_stop_queue(dev);
2232 set_bit(JOB_XMIT11, &priv->jobs);
2233 wake_up_interruptible(&priv->thr_wait);
2234 } else
2235 airo_end_xmit11(dev);
2236 return NETDEV_TX_OK;
2237 }
2238
2239 static void airo_read_stats(struct net_device *dev)
2240 {
2241 struct airo_info *ai = dev->ml_priv;
2242 StatsRid stats_rid;
2243 __le32 *vals = stats_rid.vals;
2244
2245 clear_bit(JOB_STATS, &ai->jobs);
2246 if (ai->power.event) {
2247 up(&ai->sem);
2248 return;
2249 }
2250 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2251 up(&ai->sem);
2252
2253 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2254 le32_to_cpu(vals[45]);
2255 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2256 le32_to_cpu(vals[41]);
2257 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2258 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2259 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2260 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2261 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2262 dev->stats.tx_fifo_errors;
2263 dev->stats.multicast = le32_to_cpu(vals[43]);
2264 dev->stats.collisions = le32_to_cpu(vals[89]);
2265
2266 /* detailed rx_errors: */
2267 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2268 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2269 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2270 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2271 }
2272
2273 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2274 {
2275 struct airo_info *local = dev->ml_priv;
2276
2277 if (!test_bit(JOB_STATS, &local->jobs)) {
2278 /* Get stats out of the card if available */
2279 if (down_trylock(&local->sem) != 0) {
2280 set_bit(JOB_STATS, &local->jobs);
2281 wake_up_interruptible(&local->thr_wait);
2282 } else
2283 airo_read_stats(dev);
2284 }
2285
2286 return &dev->stats;
2287 }
2288
2289 static void airo_set_promisc(struct airo_info *ai) {
2290 Cmd cmd;
2291 Resp rsp;
2292
2293 memset(&cmd, 0, sizeof(cmd));
2294 cmd.cmd=CMD_SETMODE;
2295 clear_bit(JOB_PROMISC, &ai->jobs);
2296 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2297 issuecommand(ai, &cmd, &rsp);
2298 up(&ai->sem);
2299 }
2300
2301 static void airo_set_multicast_list(struct net_device *dev) {
2302 struct airo_info *ai = dev->ml_priv;
2303
2304 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2305 change_bit(FLAG_PROMISC, &ai->flags);
2306 if (down_trylock(&ai->sem) != 0) {
2307 set_bit(JOB_PROMISC, &ai->jobs);
2308 wake_up_interruptible(&ai->thr_wait);
2309 } else
2310 airo_set_promisc(ai);
2311 }
2312
2313 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2314 /* Turn on multicast. (Should be already setup...) */
2315 }
2316 }
2317
2318 static int airo_set_mac_address(struct net_device *dev, void *p)
2319 {
2320 struct airo_info *ai = dev->ml_priv;
2321 struct sockaddr *addr = p;
2322
2323 readConfigRid(ai, 1);
2324 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2325 set_bit (FLAG_COMMIT, &ai->flags);
2326 disable_MAC(ai, 1);
2327 writeConfigRid (ai, 1);
2328 enable_MAC(ai, 1);
2329 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2330 if (ai->wifidev)
2331 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2332 return 0;
2333 }
2334
2335 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2336 {
2337 if ((new_mtu < 68) || (new_mtu > 2400))
2338 return -EINVAL;
2339 dev->mtu = new_mtu;
2340 return 0;
2341 }
2342
2343 static LIST_HEAD(airo_devices);
2344
2345 static void add_airo_dev(struct airo_info *ai)
2346 {
2347 /* Upper layers already keep track of PCI devices,
2348 * so we only need to remember our non-PCI cards. */
2349 if (!ai->pci)
2350 list_add_tail(&ai->dev_list, &airo_devices);
2351 }
2352
2353 static void del_airo_dev(struct airo_info *ai)
2354 {
2355 if (!ai->pci)
2356 list_del(&ai->dev_list);
2357 }
2358
2359 static int airo_close(struct net_device *dev) {
2360 struct airo_info *ai = dev->ml_priv;
2361
2362 netif_stop_queue(dev);
2363
2364 if (ai->wifidev != dev) {
2365 #ifdef POWER_ON_DOWN
2366 /* Shut power to the card. The idea is that the user can save
2367 * power when he doesn't need the card with "ifconfig down".
2368 * That's the method that is most friendly towards the network
2369 * stack (i.e. the network stack won't try to broadcast
2370 * anything on the interface and routes are gone. Jean II */
2371 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2372 disable_MAC(ai, 1);
2373 #endif
2374 disable_interrupts( ai );
2375
2376 free_irq(dev->irq, dev);
2377
2378 set_bit(JOB_DIE, &ai->jobs);
2379 kthread_stop(ai->airo_thread_task);
2380 }
2381 return 0;
2382 }
2383
2384 void stop_airo_card( struct net_device *dev, int freeres )
2385 {
2386 struct airo_info *ai = dev->ml_priv;
2387
2388 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2389 disable_MAC(ai, 1);
2390 disable_interrupts(ai);
2391 takedown_proc_entry( dev, ai );
2392 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2393 unregister_netdev( dev );
2394 if (ai->wifidev) {
2395 unregister_netdev(ai->wifidev);
2396 free_netdev(ai->wifidev);
2397 ai->wifidev = NULL;
2398 }
2399 clear_bit(FLAG_REGISTERED, &ai->flags);
2400 }
2401 /*
2402 * Clean out tx queue
2403 */
2404 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2405 struct sk_buff *skb = NULL;
2406 for (;(skb = skb_dequeue(&ai->txq));)
2407 dev_kfree_skb(skb);
2408 }
2409
2410 airo_networks_free (ai);
2411
2412 kfree(ai->flash);
2413 kfree(ai->rssi);
2414 kfree(ai->APList);
2415 kfree(ai->SSID);
2416 if (freeres) {
2417 /* PCMCIA frees this stuff, so only for PCI and ISA */
2418 release_region( dev->base_addr, 64 );
2419 if (test_bit(FLAG_MPI, &ai->flags)) {
2420 if (ai->pci)
2421 mpi_unmap_card(ai->pci);
2422 if (ai->pcimem)
2423 iounmap(ai->pcimem);
2424 if (ai->pciaux)
2425 iounmap(ai->pciaux);
2426 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2427 ai->shared, ai->shared_dma);
2428 }
2429 }
2430 crypto_free_cipher(ai->tfm);
2431 del_airo_dev(ai);
2432 free_netdev( dev );
2433 }
2434
2435 EXPORT_SYMBOL(stop_airo_card);
2436
2437 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2438 {
2439 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2440 return ETH_ALEN;
2441 }
2442
2443 static void mpi_unmap_card(struct pci_dev *pci)
2444 {
2445 unsigned long mem_start = pci_resource_start(pci, 1);
2446 unsigned long mem_len = pci_resource_len(pci, 1);
2447 unsigned long aux_start = pci_resource_start(pci, 2);
2448 unsigned long aux_len = AUXMEMSIZE;
2449
2450 release_mem_region(aux_start, aux_len);
2451 release_mem_region(mem_start, mem_len);
2452 }
2453
2454 /*************************************************************
2455 * This routine assumes that descriptors have been setup .
2456 * Run at insmod time or after reset when the decriptors
2457 * have been initialized . Returns 0 if all is well nz
2458 * otherwise . Does not allocate memory but sets up card
2459 * using previously allocated descriptors.
2460 */
2461 static int mpi_init_descriptors (struct airo_info *ai)
2462 {
2463 Cmd cmd;
2464 Resp rsp;
2465 int i;
2466 int rc = SUCCESS;
2467
2468 /* Alloc card RX descriptors */
2469 netif_stop_queue(ai->dev);
2470
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2473
2474 cmd.cmd = CMD_ALLOCATEAUX;
2475 cmd.parm0 = FID_RX;
2476 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2478 rc=issuecommand(ai, &cmd, &rsp);
2479 if (rc != SUCCESS) {
2480 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2481 return rc;
2482 }
2483
2484 for (i=0; i<MPI_MAX_FIDS; i++) {
2485 memcpy_toio(ai->rxfids[i].card_ram_off,
2486 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2487 }
2488
2489 /* Alloc card TX descriptors */
2490
2491 memset(&rsp,0,sizeof(rsp));
2492 memset(&cmd,0,sizeof(cmd));
2493
2494 cmd.cmd = CMD_ALLOCATEAUX;
2495 cmd.parm0 = FID_TX;
2496 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2497 cmd.parm2 = MPI_MAX_FIDS;
2498
2499 for (i=0; i<MPI_MAX_FIDS; i++) {
2500 ai->txfids[i].tx_desc.valid = 1;
2501 memcpy_toio(ai->txfids[i].card_ram_off,
2502 &ai->txfids[i].tx_desc, sizeof(TxFid));
2503 }
2504 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2505
2506 rc=issuecommand(ai, &cmd, &rsp);
2507 if (rc != SUCCESS) {
2508 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2509 return rc;
2510 }
2511
2512 /* Alloc card Rid descriptor */
2513 memset(&rsp,0,sizeof(rsp));
2514 memset(&cmd,0,sizeof(cmd));
2515
2516 cmd.cmd = CMD_ALLOCATEAUX;
2517 cmd.parm0 = RID_RW;
2518 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2519 cmd.parm2 = 1; /* Magic number... */
2520 rc=issuecommand(ai, &cmd, &rsp);
2521 if (rc != SUCCESS) {
2522 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2523 return rc;
2524 }
2525
2526 memcpy_toio(ai->config_desc.card_ram_off,
2527 &ai->config_desc.rid_desc, sizeof(Rid));
2528
2529 return rc;
2530 }
2531
2532 /*
2533 * We are setting up three things here:
2534 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2535 * 2) Map PCI memory for issuing commands.
2536 * 3) Allocate memory (shared) to send and receive ethernet frames.
2537 */
2538 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2539 {
2540 unsigned long mem_start, mem_len, aux_start, aux_len;
2541 int rc = -1;
2542 int i;
2543 dma_addr_t busaddroff;
2544 unsigned char *vpackoff;
2545 unsigned char __iomem *pciaddroff;
2546
2547 mem_start = pci_resource_start(pci, 1);
2548 mem_len = pci_resource_len(pci, 1);
2549 aux_start = pci_resource_start(pci, 2);
2550 aux_len = AUXMEMSIZE;
2551
2552 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2553 airo_print_err("", "Couldn't get region %x[%x]",
2554 (int)mem_start, (int)mem_len);
2555 goto out;
2556 }
2557 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2558 airo_print_err("", "Couldn't get region %x[%x]",
2559 (int)aux_start, (int)aux_len);
2560 goto free_region1;
2561 }
2562
2563 ai->pcimem = ioremap(mem_start, mem_len);
2564 if (!ai->pcimem) {
2565 airo_print_err("", "Couldn't map region %x[%x]",
2566 (int)mem_start, (int)mem_len);
2567 goto free_region2;
2568 }
2569 ai->pciaux = ioremap(aux_start, aux_len);
2570 if (!ai->pciaux) {
2571 airo_print_err("", "Couldn't map region %x[%x]",
2572 (int)aux_start, (int)aux_len);
2573 goto free_memmap;
2574 }
2575
2576 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2577 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2578 if (!ai->shared) {
2579 airo_print_err("", "Couldn't alloc_consistent %d",
2580 PCI_SHARED_LEN);
2581 goto free_auxmap;
2582 }
2583
2584 /*
2585 * Setup descriptor RX, TX, CONFIG
2586 */
2587 busaddroff = ai->shared_dma;
2588 pciaddroff = ai->pciaux + AUX_OFFSET;
2589 vpackoff = ai->shared;
2590
2591 /* RX descriptor setup */
2592 for(i = 0; i < MPI_MAX_FIDS; i++) {
2593 ai->rxfids[i].pending = 0;
2594 ai->rxfids[i].card_ram_off = pciaddroff;
2595 ai->rxfids[i].virtual_host_addr = vpackoff;
2596 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2597 ai->rxfids[i].rx_desc.valid = 1;
2598 ai->rxfids[i].rx_desc.len = PKTSIZE;
2599 ai->rxfids[i].rx_desc.rdy = 0;
2600
2601 pciaddroff += sizeof(RxFid);
2602 busaddroff += PKTSIZE;
2603 vpackoff += PKTSIZE;
2604 }
2605
2606 /* TX descriptor setup */
2607 for(i = 0; i < MPI_MAX_FIDS; i++) {
2608 ai->txfids[i].card_ram_off = pciaddroff;
2609 ai->txfids[i].virtual_host_addr = vpackoff;
2610 ai->txfids[i].tx_desc.valid = 1;
2611 ai->txfids[i].tx_desc.host_addr = busaddroff;
2612 memcpy(ai->txfids[i].virtual_host_addr,
2613 &wifictlhdr8023, sizeof(wifictlhdr8023));
2614
2615 pciaddroff += sizeof(TxFid);
2616 busaddroff += PKTSIZE;
2617 vpackoff += PKTSIZE;
2618 }
2619 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2620
2621 /* Rid descriptor setup */
2622 ai->config_desc.card_ram_off = pciaddroff;
2623 ai->config_desc.virtual_host_addr = vpackoff;
2624 ai->config_desc.rid_desc.host_addr = busaddroff;
2625 ai->ridbus = busaddroff;
2626 ai->config_desc.rid_desc.rid = 0;
2627 ai->config_desc.rid_desc.len = RIDSIZE;
2628 ai->config_desc.rid_desc.valid = 1;
2629 pciaddroff += sizeof(Rid);
2630 busaddroff += RIDSIZE;
2631 vpackoff += RIDSIZE;
2632
2633 /* Tell card about descriptors */
2634 if (mpi_init_descriptors (ai) != SUCCESS)
2635 goto free_shared;
2636
2637 return 0;
2638 free_shared:
2639 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2640 free_auxmap:
2641 iounmap(ai->pciaux);
2642 free_memmap:
2643 iounmap(ai->pcimem);
2644 free_region2:
2645 release_mem_region(aux_start, aux_len);
2646 free_region1:
2647 release_mem_region(mem_start, mem_len);
2648 out:
2649 return rc;
2650 }
2651
2652 static const struct header_ops airo_header_ops = {
2653 .parse = wll_header_parse,
2654 };
2655
2656 static const struct net_device_ops airo11_netdev_ops = {
2657 .ndo_open = airo_open,
2658 .ndo_stop = airo_close,
2659 .ndo_start_xmit = airo_start_xmit11,
2660 .ndo_get_stats = airo_get_stats,
2661 .ndo_set_mac_address = airo_set_mac_address,
2662 .ndo_do_ioctl = airo_ioctl,
2663 .ndo_change_mtu = airo_change_mtu,
2664 };
2665
2666 static void wifi_setup(struct net_device *dev)
2667 {
2668 dev->netdev_ops = &airo11_netdev_ops;
2669 dev->header_ops = &airo_header_ops;
2670 dev->wireless_handlers = &airo_handler_def;
2671
2672 dev->type = ARPHRD_IEEE80211;
2673 dev->hard_header_len = ETH_HLEN;
2674 dev->mtu = AIRO_DEF_MTU;
2675 dev->addr_len = ETH_ALEN;
2676 dev->tx_queue_len = 100;
2677
2678 memset(dev->broadcast,0xFF, ETH_ALEN);
2679
2680 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2681 }
2682
2683 static struct net_device *init_wifidev(struct airo_info *ai,
2684 struct net_device *ethdev)
2685 {
2686 int err;
2687 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2688 if (!dev)
2689 return NULL;
2690 dev->ml_priv = ethdev->ml_priv;
2691 dev->irq = ethdev->irq;
2692 dev->base_addr = ethdev->base_addr;
2693 dev->wireless_data = ethdev->wireless_data;
2694 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2695 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2696 err = register_netdev(dev);
2697 if (err<0) {
2698 free_netdev(dev);
2699 return NULL;
2700 }
2701 return dev;
2702 }
2703
2704 static int reset_card( struct net_device *dev , int lock) {
2705 struct airo_info *ai = dev->ml_priv;
2706
2707 if (lock && down_interruptible(&ai->sem))
2708 return -1;
2709 waitbusy (ai);
2710 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2711 msleep(200);
2712 waitbusy (ai);
2713 msleep(200);
2714 if (lock)
2715 up(&ai->sem);
2716 return 0;
2717 }
2718
2719 #define AIRO_MAX_NETWORK_COUNT 64
2720 static int airo_networks_allocate(struct airo_info *ai)
2721 {
2722 if (ai->networks)
2723 return 0;
2724
2725 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2726 GFP_KERNEL);
2727 if (!ai->networks) {
2728 airo_print_warn("", "Out of memory allocating beacons");
2729 return -ENOMEM;
2730 }
2731
2732 return 0;
2733 }
2734
2735 static void airo_networks_free(struct airo_info *ai)
2736 {
2737 kfree(ai->networks);
2738 ai->networks = NULL;
2739 }
2740
2741 static void airo_networks_initialize(struct airo_info *ai)
2742 {
2743 int i;
2744
2745 INIT_LIST_HEAD(&ai->network_free_list);
2746 INIT_LIST_HEAD(&ai->network_list);
2747 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2748 list_add_tail(&ai->networks[i].list,
2749 &ai->network_free_list);
2750 }
2751
2752 static const struct net_device_ops airo_netdev_ops = {
2753 .ndo_open = airo_open,
2754 .ndo_stop = airo_close,
2755 .ndo_start_xmit = airo_start_xmit,
2756 .ndo_get_stats = airo_get_stats,
2757 .ndo_set_rx_mode = airo_set_multicast_list,
2758 .ndo_set_mac_address = airo_set_mac_address,
2759 .ndo_do_ioctl = airo_ioctl,
2760 .ndo_change_mtu = airo_change_mtu,
2761 .ndo_validate_addr = eth_validate_addr,
2762 };
2763
2764 static const struct net_device_ops mpi_netdev_ops = {
2765 .ndo_open = airo_open,
2766 .ndo_stop = airo_close,
2767 .ndo_start_xmit = mpi_start_xmit,
2768 .ndo_get_stats = airo_get_stats,
2769 .ndo_set_rx_mode = airo_set_multicast_list,
2770 .ndo_set_mac_address = airo_set_mac_address,
2771 .ndo_do_ioctl = airo_ioctl,
2772 .ndo_change_mtu = airo_change_mtu,
2773 .ndo_validate_addr = eth_validate_addr,
2774 };
2775
2776
2777 static struct net_device *_init_airo_card( unsigned short irq, int port,
2778 int is_pcmcia, struct pci_dev *pci,
2779 struct device *dmdev )
2780 {
2781 struct net_device *dev;
2782 struct airo_info *ai;
2783 int i, rc;
2784 CapabilityRid cap_rid;
2785
2786 /* Create the network device object. */
2787 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2788 if (!dev) {
2789 airo_print_err("", "Couldn't alloc_etherdev");
2790 return NULL;
2791 }
2792
2793 ai = dev->ml_priv = netdev_priv(dev);
2794 ai->wifidev = NULL;
2795 ai->flags = 1 << FLAG_RADIO_DOWN;
2796 ai->jobs = 0;
2797 ai->dev = dev;
2798 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2799 airo_print_dbg("", "Found an MPI350 card");
2800 set_bit(FLAG_MPI, &ai->flags);
2801 }
2802 spin_lock_init(&ai->aux_lock);
2803 sema_init(&ai->sem, 1);
2804 ai->config.len = 0;
2805 ai->pci = pci;
2806 init_waitqueue_head (&ai->thr_wait);
2807 ai->tfm = NULL;
2808 add_airo_dev(ai);
2809
2810 if (airo_networks_allocate (ai))
2811 goto err_out_free;
2812 airo_networks_initialize (ai);
2813
2814 skb_queue_head_init (&ai->txq);
2815
2816 /* The Airo-specific entries in the device structure. */
2817 if (test_bit(FLAG_MPI,&ai->flags))
2818 dev->netdev_ops = &mpi_netdev_ops;
2819 else
2820 dev->netdev_ops = &airo_netdev_ops;
2821 dev->wireless_handlers = &airo_handler_def;
2822 ai->wireless_data.spy_data = &ai->spy_data;
2823 dev->wireless_data = &ai->wireless_data;
2824 dev->irq = irq;
2825 dev->base_addr = port;
2826 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2827
2828 SET_NETDEV_DEV(dev, dmdev);
2829
2830 reset_card (dev, 1);
2831 msleep(400);
2832
2833 if (!is_pcmcia) {
2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2835 rc = -EBUSY;
2836 airo_print_err(dev->name, "Couldn't request region");
2837 goto err_out_nets;
2838 }
2839 }
2840
2841 if (test_bit(FLAG_MPI,&ai->flags)) {
2842 if (mpi_map_card(ai, pci)) {
2843 airo_print_err("", "Could not map memory");
2844 goto err_out_res;
2845 }
2846 }
2847
2848 if (probe) {
2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2850 airo_print_err(dev->name, "MAC could not be enabled" );
2851 rc = -EIO;
2852 goto err_out_map;
2853 }
2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2855 ai->bap_read = fast_bap_read;
2856 set_bit(FLAG_FLASHING, &ai->flags);
2857 }
2858
2859 strcpy(dev->name, "eth%d");
2860 rc = register_netdev(dev);
2861 if (rc) {
2862 airo_print_err(dev->name, "Couldn't register_netdev");
2863 goto err_out_map;
2864 }
2865 ai->wifidev = init_wifidev(ai, dev);
2866 if (!ai->wifidev)
2867 goto err_out_reg;
2868
2869 rc = readCapabilityRid(ai, &cap_rid, 1);
2870 if (rc != SUCCESS) {
2871 rc = -EIO;
2872 goto err_out_wifi;
2873 }
2874 /* WEP capability discovery */
2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2877
2878 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2880 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2881 le16_to_cpu(cap_rid.softSubVer));
2882
2883 /* Test for WPA support */
2884 /* Only firmware versions 5.30.17 or better can do WPA */
2885 if (le16_to_cpu(cap_rid.softVer) > 0x530
2886 || (le16_to_cpu(cap_rid.softVer) == 0x530
2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2888 airo_print_info(ai->dev->name, "WPA supported.");
2889
2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2892 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid);
2894 } else {
2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2896 "versions older than 5.30.17.");
2897
2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2901 }
2902
2903 set_bit(FLAG_REGISTERED,&ai->flags);
2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2905
2906 /* Allocate the transmit buffers */
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2910
2911 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2912 goto err_out_wifi;
2913
2914 return dev;
2915
2916 err_out_wifi:
2917 unregister_netdev(ai->wifidev);
2918 free_netdev(ai->wifidev);
2919 err_out_reg:
2920 unregister_netdev(dev);
2921 err_out_map:
2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2924 iounmap(ai->pciaux);
2925 iounmap(ai->pcimem);
2926 mpi_unmap_card(ai->pci);
2927 }
2928 err_out_res:
2929 if (!is_pcmcia)
2930 release_region( dev->base_addr, 64 );
2931 err_out_nets:
2932 airo_networks_free(ai);
2933 err_out_free:
2934 del_airo_dev(ai);
2935 free_netdev(dev);
2936 return NULL;
2937 }
2938
2939 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2941 {
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2943 }
2944
2945 EXPORT_SYMBOL(init_airo_card);
2946
2947 static int waitbusy (struct airo_info *ai) {
2948 int delay = 0;
2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2950 udelay (10);
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2953 }
2954 return delay < 10000;
2955 }
2956
2957 int reset_airo_card( struct net_device *dev )
2958 {
2959 int i;
2960 struct airo_info *ai = dev->ml_priv;
2961
2962 if (reset_card (dev, 1))
2963 return -1;
2964
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2966 airo_print_err(dev->name, "MAC could not be enabled");
2967 return -1;
2968 }
2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2970 /* Allocate the transmit buffers if needed */
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2974
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2977 return 0;
2978 }
2979
2980 EXPORT_SYMBOL(reset_airo_card);
2981
2982 static void airo_send_event(struct net_device *dev) {
2983 struct airo_info *ai = dev->ml_priv;
2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2986
2987 clear_bit(JOB_EVENT, &ai->jobs);
2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2989 up(&ai->sem);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2994
2995 /* Send event to user space */
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2997 }
2998
2999 static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3001 BSSListRid bss;
3002 int rc;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3005
3006 /* Blow away current list of scan results */
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009 /* Don't blow away ->list, just BSS data */
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3011 }
3012
3013 /* Try to read the first entry of the scan result */
3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3016 /* No scan results */
3017 goto out;
3018 }
3019
3020 /* Read and parse all entries */
3021 tmp_net = NULL;
3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3023 /* Grab a network off the free list */
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3028 }
3029
3030 if (tmp_net != NULL) {
3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3032 list_add_tail(&tmp_net->list, &ai->network_list);
3033 tmp_net = NULL;
3034 }
3035
3036 /* Read next entry */
3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
3039 }
3040
3041 out:
3042 ai->scan_timeout = 0;
3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3044 up(&ai->sem);
3045
3046 /* Send an empty event to user space.
3047 * We don't send the received data on
3048 * the event because it would require
3049 * us to do complex transcoding, and
3050 * we want to minimise the work done in
3051 * the irq handler. Use a request to
3052 * extract the data - Jean II */
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3056 }
3057
3058 static int airo_thread(void *data) {
3059 struct net_device *dev = data;
3060 struct airo_info *ai = dev->ml_priv;
3061 int locked;
3062
3063 set_freezable();
3064 while(1) {
3065 /* make swsusp happy with our thread */
3066 try_to_freeze();
3067
3068 if (test_bit(JOB_DIE, &ai->jobs))
3069 break;
3070
3071 if (ai->jobs) {
3072 locked = down_interruptible(&ai->sem);
3073 } else {
3074 wait_queue_t wait;
3075
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3078 for (;;) {
3079 set_current_state(TASK_INTERRUPTIBLE);
3080 if (ai->jobs)
3081 break;
3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3086 break;
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3089 set_bit(JOB_AUTOWEP, &ai->jobs);
3090 break;
3091 }
3092 if (!kthread_should_stop() &&
3093 !freezing(current)) {
3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3097 ai->scan_timeout);
3098 } else {
3099 wake_at = min(ai->expires,
3100 ai->scan_timeout);
3101 }
3102 schedule_timeout(wake_at - jiffies);
3103 continue;
3104 }
3105 } else if (!kthread_should_stop() &&
3106 !freezing(current)) {
3107 schedule();
3108 continue;
3109 }
3110 break;
3111 }
3112 current->state = TASK_RUNNING;
3113 remove_wait_queue(&ai->thr_wait, &wait);
3114 locked = 1;
3115 }
3116
3117 if (locked)
3118 continue;
3119
3120 if (test_bit(JOB_DIE, &ai->jobs)) {
3121 up(&ai->sem);
3122 break;
3123 }
3124
3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3126 up(&ai->sem);
3127 continue;
3128 }
3129
3130 if (test_bit(JOB_XMIT, &ai->jobs))
3131 airo_end_xmit(dev);
3132 else if (test_bit(JOB_XMIT11, &ai->jobs))
3133 airo_end_xmit11(dev);
3134 else if (test_bit(JOB_STATS, &ai->jobs))
3135 airo_read_stats(dev);
3136 else if (test_bit(JOB_WSTATS, &ai->jobs))
3137 airo_read_wireless_stats(ai);
3138 else if (test_bit(JOB_PROMISC, &ai->jobs))
3139 airo_set_promisc(ai);
3140 else if (test_bit(JOB_MIC, &ai->jobs))
3141 micinit(ai);
3142 else if (test_bit(JOB_EVENT, &ai->jobs))
3143 airo_send_event(dev);
3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3145 timer_func(dev);
3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3147 airo_process_scan_results(ai);
3148 else /* Shouldn't get here, but we make sure to unlock */
3149 up(&ai->sem);
3150 }
3151
3152 return 0;
3153 }
3154
3155 static int header_len(__le16 ctl)
3156 {
3157 u16 fc = le16_to_cpu(ctl);
3158 switch (fc & 0xc) {
3159 case 4:
3160 if ((fc & 0xe0) == 0xc0)
3161 return 10; /* one-address control packet */
3162 return 16; /* two-address control packet */
3163 case 8:
3164 if ((fc & 0x300) == 0x300)
3165 return 30; /* WDS packet */
3166 }
3167 return 24;
3168 }
3169
3170 static void airo_handle_cisco_mic(struct airo_info *ai)
3171 {
3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3173 set_bit(JOB_MIC, &ai->jobs);
3174 wake_up_interruptible(&ai->thr_wait);
3175 }
3176 }
3177
3178 /* Airo Status codes */
3179 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3180 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3181 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3182 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3183 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3184 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3185 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3186 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3187 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3188 #define STAT_ASSOC 0x0400 /* Associated */
3189 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3190
3191 static void airo_print_status(const char *devname, u16 status)
3192 {
3193 u8 reason = status & 0xFF;
3194
3195 switch (status & 0xFF00) {
3196 case STAT_NOBEACON:
3197 switch (status) {
3198 case STAT_NOBEACON:
3199 airo_print_dbg(devname, "link lost (missed beacons)");
3200 break;
3201 case STAT_MAXRETRIES:
3202 case STAT_MAXARL:
3203 airo_print_dbg(devname, "link lost (max retries)");
3204 break;
3205 case STAT_FORCELOSS:
3206 airo_print_dbg(devname, "link lost (local choice)");
3207 break;
3208 case STAT_TSFSYNC:
3209 airo_print_dbg(devname, "link lost (TSF sync lost)");
3210 break;
3211 default:
3212 airo_print_dbg(devname, "unknow status %x\n", status);
3213 break;
3214 }
3215 break;
3216 case STAT_DEAUTH:
3217 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3218 break;
3219 case STAT_DISASSOC:
3220 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3221 break;
3222 case STAT_ASSOC_FAIL:
3223 airo_print_dbg(devname, "association failed (reason: %d)",
3224 reason);
3225 break;
3226 case STAT_AUTH_FAIL:
3227 airo_print_dbg(devname, "authentication failed (reason: %d)",
3228 reason);
3229 break;
3230 case STAT_ASSOC:
3231 case STAT_REASSOC:
3232 break;
3233 default:
3234 airo_print_dbg(devname, "unknow status %x\n", status);
3235 break;
3236 }
3237 }
3238
3239 static void airo_handle_link(struct airo_info *ai)
3240 {
3241 union iwreq_data wrqu;
3242 int scan_forceloss = 0;
3243 u16 status;
3244
3245 /* Get new status and acknowledge the link change */
3246 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3247 OUT4500(ai, EVACK, EV_LINK);
3248
3249 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3250 scan_forceloss = 1;
3251
3252 airo_print_status(ai->dev->name, status);
3253
3254 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3255 if (auto_wep)
3256 ai->expires = 0;
3257 if (ai->list_bss_task)
3258 wake_up_process(ai->list_bss_task);
3259 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3260 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3261
3262 if (down_trylock(&ai->sem) != 0) {
3263 set_bit(JOB_EVENT, &ai->jobs);
3264 wake_up_interruptible(&ai->thr_wait);
3265 } else
3266 airo_send_event(ai->dev);
3267 } else if (!scan_forceloss) {
3268 if (auto_wep && !ai->expires) {
3269 ai->expires = RUN_AT(3*HZ);
3270 wake_up_interruptible(&ai->thr_wait);
3271 }
3272
3273 /* Send event to user space */
3274 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3275 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3276 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3277 }
3278 }
3279
3280 static void airo_handle_rx(struct airo_info *ai)
3281 {
3282 struct sk_buff *skb = NULL;
3283 __le16 fc, v, *buffer, tmpbuf[4];
3284 u16 len, hdrlen = 0, gap, fid;
3285 struct rx_hdr hdr;
3286 int success = 0;
3287
3288 if (test_bit(FLAG_MPI, &ai->flags)) {
3289 if (test_bit(FLAG_802_11, &ai->flags))
3290 mpi_receive_802_11(ai);
3291 else
3292 mpi_receive_802_3(ai);
3293 OUT4500(ai, EVACK, EV_RX);
3294 return;
3295 }
3296
3297 fid = IN4500(ai, RXFID);
3298
3299 /* Get the packet length */
3300 if (test_bit(FLAG_802_11, &ai->flags)) {
3301 bap_setup (ai, fid, 4, BAP0);
3302 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3303 /* Bad CRC. Ignore packet */
3304 if (le16_to_cpu(hdr.status) & 2)
3305 hdr.len = 0;
3306 if (ai->wifidev == NULL)
3307 hdr.len = 0;
3308 } else {
3309 bap_setup(ai, fid, 0x36, BAP0);
3310 bap_read(ai, &hdr.len, 2, BAP0);
3311 }
3312 len = le16_to_cpu(hdr.len);
3313
3314 if (len > AIRO_DEF_MTU) {
3315 airo_print_err(ai->dev->name, "Bad size %d", len);
3316 goto done;
3317 }
3318 if (len == 0)
3319 goto done;
3320
3321 if (test_bit(FLAG_802_11, &ai->flags)) {
3322 bap_read(ai, &fc, sizeof (fc), BAP0);
3323 hdrlen = header_len(fc);
3324 } else
3325 hdrlen = ETH_ALEN * 2;
3326
3327 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3328 if (!skb) {
3329 ai->dev->stats.rx_dropped++;
3330 goto done;
3331 }
3332
3333 skb_reserve(skb, 2); /* This way the IP header is aligned */
3334 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3335 if (test_bit(FLAG_802_11, &ai->flags)) {
3336 buffer[0] = fc;
3337 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3338 if (hdrlen == 24)
3339 bap_read(ai, tmpbuf, 6, BAP0);
3340
3341 bap_read(ai, &v, sizeof(v), BAP0);
3342 gap = le16_to_cpu(v);
3343 if (gap) {
3344 if (gap <= 8) {
3345 bap_read(ai, tmpbuf, gap, BAP0);
3346 } else {
3347 airo_print_err(ai->dev->name, "gaplen too "
3348 "big. Problems will follow...");
3349 }
3350 }
3351 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3352 } else {
3353 MICBuffer micbuf;
3354
3355 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3356 if (ai->micstats.enabled) {
3357 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3358 if (ntohs(micbuf.typelen) > 0x05DC)
3359 bap_setup(ai, fid, 0x44, BAP0);
3360 else {
3361 if (len <= sizeof (micbuf)) {
3362 dev_kfree_skb_irq(skb);
3363 goto done;
3364 }
3365
3366 len -= sizeof(micbuf);
3367 skb_trim(skb, len + hdrlen);
3368 }
3369 }
3370
3371 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3372 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3373 dev_kfree_skb_irq (skb);
3374 else
3375 success = 1;
3376 }
3377
3378 #ifdef WIRELESS_SPY
3379 if (success && (ai->spy_data.spy_number > 0)) {
3380 char *sa;
3381 struct iw_quality wstats;
3382
3383 /* Prepare spy data : addr + qual */
3384 if (!test_bit(FLAG_802_11, &ai->flags)) {
3385 sa = (char *) buffer + 6;
3386 bap_setup(ai, fid, 8, BAP0);
3387 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3388 } else
3389 sa = (char *) buffer + 10;
3390 wstats.qual = hdr.rssi[0];
3391 if (ai->rssi)
3392 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3393 else
3394 wstats.level = (hdr.rssi[1] + 321) / 2;
3395 wstats.noise = ai->wstats.qual.noise;
3396 wstats.updated = IW_QUAL_LEVEL_UPDATED
3397 | IW_QUAL_QUAL_UPDATED
3398 | IW_QUAL_DBM;
3399 /* Update spy records */
3400 wireless_spy_update(ai->dev, sa, &wstats);
3401 }
3402 #endif /* WIRELESS_SPY */
3403
3404 done:
3405 OUT4500(ai, EVACK, EV_RX);
3406
3407 if (success) {
3408 if (test_bit(FLAG_802_11, &ai->flags)) {
3409 skb_reset_mac_header(skb);
3410 skb->pkt_type = PACKET_OTHERHOST;
3411 skb->dev = ai->wifidev;
3412 skb->protocol = htons(ETH_P_802_2);
3413 } else
3414 skb->protocol = eth_type_trans(skb, ai->dev);
3415 skb->ip_summed = CHECKSUM_NONE;
3416
3417 netif_rx(skb);
3418 }
3419 }
3420
3421 static void airo_handle_tx(struct airo_info *ai, u16 status)
3422 {
3423 int i, len = 0, index = -1;
3424 u16 fid;
3425
3426 if (test_bit(FLAG_MPI, &ai->flags)) {
3427 unsigned long flags;
3428
3429 if (status & EV_TXEXC)
3430 get_tx_error(ai, -1);
3431
3432 spin_lock_irqsave(&ai->aux_lock, flags);
3433 if (!skb_queue_empty(&ai->txq)) {
3434 spin_unlock_irqrestore(&ai->aux_lock,flags);
3435 mpi_send_packet(ai->dev);
3436 } else {
3437 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3438 spin_unlock_irqrestore(&ai->aux_lock,flags);
3439 netif_wake_queue(ai->dev);
3440 }
3441 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3442 return;
3443 }
3444
3445 fid = IN4500(ai, TXCOMPLFID);
3446
3447 for(i = 0; i < MAX_FIDS; i++) {
3448 if ((ai->fids[i] & 0xffff) == fid) {
3449 len = ai->fids[i] >> 16;
3450 index = i;
3451 }
3452 }
3453
3454 if (index != -1) {
3455 if (status & EV_TXEXC)
3456 get_tx_error(ai, index);
3457
3458 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3459
3460 /* Set up to be used again */
3461 ai->fids[index] &= 0xffff;
3462 if (index < MAX_FIDS / 2) {
3463 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3464 netif_wake_queue(ai->dev);
3465 } else {
3466 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3467 netif_wake_queue(ai->wifidev);
3468 }
3469 } else {
3470 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3471 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3472 }
3473 }
3474
3475 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3476 {
3477 struct net_device *dev = dev_id;
3478 u16 status, savedInterrupts = 0;
3479 struct airo_info *ai = dev->ml_priv;
3480 int handled = 0;
3481
3482 if (!netif_device_present(dev))
3483 return IRQ_NONE;
3484
3485 for (;;) {
3486 status = IN4500(ai, EVSTAT);
3487 if (!(status & STATUS_INTS) || (status == 0xffff))
3488 break;
3489
3490 handled = 1;
3491
3492 if (status & EV_AWAKE) {
3493 OUT4500(ai, EVACK, EV_AWAKE);
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 }
3496
3497 if (!savedInterrupts) {
3498 savedInterrupts = IN4500(ai, EVINTEN);
3499 OUT4500(ai, EVINTEN, 0);
3500 }
3501
3502 if (status & EV_MIC) {
3503 OUT4500(ai, EVACK, EV_MIC);
3504 airo_handle_cisco_mic(ai);
3505 }
3506
3507 if (status & EV_LINK) {
3508 /* Link status changed */
3509 airo_handle_link(ai);
3510 }
3511
3512 /* Check to see if there is something to receive */
3513 if (status & EV_RX)
3514 airo_handle_rx(ai);
3515
3516 /* Check to see if a packet has been transmitted */
3517 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3518 airo_handle_tx(ai, status);
3519
3520 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3521 airo_print_warn(ai->dev->name, "Got weird status %x",
3522 status & ~STATUS_INTS & ~IGNORE_INTS );
3523 }
3524 }
3525
3526 if (savedInterrupts)
3527 OUT4500(ai, EVINTEN, savedInterrupts);
3528
3529 return IRQ_RETVAL(handled);
3530 }
3531
3532 /*
3533 * Routines to talk to the card
3534 */
3535
3536 /*
3537 * This was originally written for the 4500, hence the name
3538 * NOTE: If use with 8bit mode and SMP bad things will happen!
3539 * Why would some one do 8 bit IO in an SMP machine?!?
3540 */
3541 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3542 if (test_bit(FLAG_MPI,&ai->flags))
3543 reg <<= 1;
3544 if ( !do8bitIO )
3545 outw( val, ai->dev->base_addr + reg );
3546 else {
3547 outb( val & 0xff, ai->dev->base_addr + reg );
3548 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3549 }
3550 }
3551
3552 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3553 unsigned short rc;
3554
3555 if (test_bit(FLAG_MPI,&ai->flags))
3556 reg <<= 1;
3557 if ( !do8bitIO )
3558 rc = inw( ai->dev->base_addr + reg );
3559 else {
3560 rc = inb( ai->dev->base_addr + reg );
3561 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3562 }
3563 return rc;
3564 }
3565
3566 static int enable_MAC(struct airo_info *ai, int lock)
3567 {
3568 int rc;
3569 Cmd cmd;
3570 Resp rsp;
3571
3572 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3573 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3574 * Note : we could try to use !netif_running(dev) in enable_MAC()
3575 * instead of this flag, but I don't trust it *within* the
3576 * open/close functions, and testing both flags together is
3577 * "cheaper" - Jean II */
3578 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3579
3580 if (lock && down_interruptible(&ai->sem))
3581 return -ERESTARTSYS;
3582
3583 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3584 memset(&cmd, 0, sizeof(cmd));
3585 cmd.cmd = MAC_ENABLE;
3586 rc = issuecommand(ai, &cmd, &rsp);
3587 if (rc == SUCCESS)
3588 set_bit(FLAG_ENABLED, &ai->flags);
3589 } else
3590 rc = SUCCESS;
3591
3592 if (lock)
3593 up(&ai->sem);
3594
3595 if (rc)
3596 airo_print_err(ai->dev->name, "Cannot enable MAC");
3597 else if ((rsp.status & 0xFF00) != 0) {
3598 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3599 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3600 rc = ERROR;
3601 }
3602 return rc;
3603 }
3604
3605 static void disable_MAC( struct airo_info *ai, int lock ) {
3606 Cmd cmd;
3607 Resp rsp;
3608
3609 if (lock && down_interruptible(&ai->sem))
3610 return;
3611
3612 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3613 memset(&cmd, 0, sizeof(cmd));
3614 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3615 issuecommand(ai, &cmd, &rsp);
3616 clear_bit(FLAG_ENABLED, &ai->flags);
3617 }
3618 if (lock)
3619 up(&ai->sem);
3620 }
3621
3622 static void enable_interrupts( struct airo_info *ai ) {
3623 /* Enable the interrupts */
3624 OUT4500( ai, EVINTEN, STATUS_INTS );
3625 }
3626
3627 static void disable_interrupts( struct airo_info *ai ) {
3628 OUT4500( ai, EVINTEN, 0 );
3629 }
3630
3631 static void mpi_receive_802_3(struct airo_info *ai)
3632 {
3633 RxFid rxd;
3634 int len = 0;
3635 struct sk_buff *skb;
3636 char *buffer;
3637 int off = 0;
3638 MICBuffer micbuf;
3639
3640 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3641 /* Make sure we got something */
3642 if (rxd.rdy && rxd.valid == 0) {
3643 len = rxd.len + 12;
3644 if (len < 12 || len > 2048)
3645 goto badrx;
3646
3647 skb = dev_alloc_skb(len);
3648 if (!skb) {
3649 ai->dev->stats.rx_dropped++;
3650 goto badrx;
3651 }
3652 buffer = skb_put(skb,len);
3653 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3654 if (ai->micstats.enabled) {
3655 memcpy(&micbuf,
3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3657 sizeof(micbuf));
3658 if (ntohs(micbuf.typelen) <= 0x05DC) {
3659 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3660 goto badmic;
3661
3662 off = sizeof(micbuf);
3663 skb_trim (skb, len - off);
3664 }
3665 }
3666 memcpy(buffer + ETH_ALEN * 2,
3667 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3668 len - ETH_ALEN * 2 - off);
3669 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3670 badmic:
3671 dev_kfree_skb_irq (skb);
3672 goto badrx;
3673 }
3674 #ifdef WIRELESS_SPY
3675 if (ai->spy_data.spy_number > 0) {
3676 char *sa;
3677 struct iw_quality wstats;
3678 /* Prepare spy data : addr + qual */
3679 sa = buffer + ETH_ALEN;
3680 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3681 wstats.level = 0;
3682 wstats.updated = 0;
3683 /* Update spy records */
3684 wireless_spy_update(ai->dev, sa, &wstats);
3685 }
3686 #endif /* WIRELESS_SPY */
3687
3688 skb->ip_summed = CHECKSUM_NONE;
3689 skb->protocol = eth_type_trans(skb, ai->dev);
3690 netif_rx(skb);
3691 }
3692 badrx:
3693 if (rxd.valid == 0) {
3694 rxd.valid = 1;
3695 rxd.rdy = 0;
3696 rxd.len = PKTSIZE;
3697 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3698 }
3699 }
3700
3701 static void mpi_receive_802_11(struct airo_info *ai)
3702 {
3703 RxFid rxd;
3704 struct sk_buff *skb = NULL;
3705 u16 len, hdrlen = 0;
3706 __le16 fc;
3707 struct rx_hdr hdr;
3708 u16 gap;
3709 u16 *buffer;
3710 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3711
3712 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3713 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3714 ptr += sizeof(hdr);
3715 /* Bad CRC. Ignore packet */
3716 if (le16_to_cpu(hdr.status) & 2)
3717 hdr.len = 0;
3718 if (ai->wifidev == NULL)
3719 hdr.len = 0;
3720 len = le16_to_cpu(hdr.len);
3721 if (len > AIRO_DEF_MTU) {
3722 airo_print_err(ai->dev->name, "Bad size %d", len);
3723 goto badrx;
3724 }
3725 if (len == 0)
3726 goto badrx;
3727
3728 fc = get_unaligned((__le16 *)ptr);
3729 hdrlen = header_len(fc);
3730
3731 skb = dev_alloc_skb( len + hdrlen + 2 );
3732 if ( !skb ) {
3733 ai->dev->stats.rx_dropped++;
3734 goto badrx;
3735 }
3736 buffer = (u16*)skb_put (skb, len + hdrlen);
3737 memcpy ((char *)buffer, ptr, hdrlen);
3738 ptr += hdrlen;
3739 if (hdrlen == 24)
3740 ptr += 6;
3741 gap = get_unaligned_le16(ptr);
3742 ptr += sizeof(__le16);
3743 if (gap) {
3744 if (gap <= 8)
3745 ptr += gap;
3746 else
3747 airo_print_err(ai->dev->name,
3748 "gaplen too big. Problems will follow...");
3749 }
3750 memcpy ((char *)buffer + hdrlen, ptr, len);
3751 ptr += len;
3752 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3753 if (ai->spy_data.spy_number > 0) {
3754 char *sa;
3755 struct iw_quality wstats;
3756 /* Prepare spy data : addr + qual */
3757 sa = (char*)buffer + 10;
3758 wstats.qual = hdr.rssi[0];
3759 if (ai->rssi)
3760 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3761 else
3762 wstats.level = (hdr.rssi[1] + 321) / 2;
3763 wstats.noise = ai->wstats.qual.noise;
3764 wstats.updated = IW_QUAL_QUAL_UPDATED
3765 | IW_QUAL_LEVEL_UPDATED
3766 | IW_QUAL_DBM;
3767 /* Update spy records */
3768 wireless_spy_update(ai->dev, sa, &wstats);
3769 }
3770 #endif /* IW_WIRELESS_SPY */
3771 skb_reset_mac_header(skb);
3772 skb->pkt_type = PACKET_OTHERHOST;
3773 skb->dev = ai->wifidev;
3774 skb->protocol = htons(ETH_P_802_2);
3775 skb->ip_summed = CHECKSUM_NONE;
3776 netif_rx( skb );
3777
3778 badrx:
3779 if (rxd.valid == 0) {
3780 rxd.valid = 1;
3781 rxd.rdy = 0;
3782 rxd.len = PKTSIZE;
3783 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3784 }
3785 }
3786
3787 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3788 {
3789 Cmd cmd;
3790 Resp rsp;
3791 int status;
3792 SsidRid mySsid;
3793 __le16 lastindex;
3794 WepKeyRid wkr;
3795 int rc;
3796
3797 memset( &mySsid, 0, sizeof( mySsid ) );
3798 kfree (ai->flash);
3799 ai->flash = NULL;
3800
3801 /* The NOP is the first step in getting the card going */
3802 cmd.cmd = NOP;
3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3804 if (lock && down_interruptible(&ai->sem))
3805 return ERROR;
3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3807 if (lock)
3808 up(&ai->sem);
3809 return ERROR;
3810 }
3811 disable_MAC( ai, 0);
3812
3813 // Let's figure out if we need to use the AUX port
3814 if (!test_bit(FLAG_MPI,&ai->flags)) {
3815 cmd.cmd = CMD_ENABLEAUX;
3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3817 if (lock)
3818 up(&ai->sem);
3819 airo_print_err(ai->dev->name, "Error checking for AUX port");
3820 return ERROR;
3821 }
3822 if (!aux_bap || rsp.status & 0xff00) {
3823 ai->bap_read = fast_bap_read;
3824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3825 } else {
3826 ai->bap_read = aux_bap_read;
3827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3828 }
3829 }
3830 if (lock)
3831 up(&ai->sem);
3832 if (ai->config.len == 0) {
3833 int i;
3834 tdsRssiRid rssi_rid;
3835 CapabilityRid cap_rid;
3836
3837 kfree(ai->APList);
3838 ai->APList = NULL;
3839 kfree(ai->SSID);
3840 ai->SSID = NULL;
3841 // general configuration (read/modify/write)
3842 status = readConfigRid(ai, lock);
3843 if ( status != SUCCESS ) return ERROR;
3844
3845 status = readCapabilityRid(ai, &cap_rid, lock);
3846 if ( status != SUCCESS ) return ERROR;
3847
3848 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3849 if ( status == SUCCESS ) {
3850 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3851 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3852 }
3853 else {
3854 kfree(ai->rssi);
3855 ai->rssi = NULL;
3856 if (cap_rid.softCap & cpu_to_le16(8))
3857 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3858 else
3859 airo_print_warn(ai->dev->name, "unknown received signal "
3860 "level scale");
3861 }
3862 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3863 ai->config.authType = AUTH_OPEN;
3864 ai->config.modulation = MOD_CCK;
3865
3866 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3867 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3868 micsetup(ai) == SUCCESS) {
3869 ai->config.opmode |= MODE_MIC;
3870 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3871 }
3872
3873 /* Save off the MAC */
3874 for( i = 0; i < ETH_ALEN; i++ ) {
3875 mac[i] = ai->config.macAddr[i];
3876 }
3877
3878 /* Check to see if there are any insmod configured
3879 rates to add */
3880 if ( rates[0] ) {
3881 memset(ai->config.rates,0,sizeof(ai->config.rates));
3882 for( i = 0; i < 8 && rates[i]; i++ ) {
3883 ai->config.rates[i] = rates[i];
3884 }
3885 }
3886 set_bit (FLAG_COMMIT, &ai->flags);
3887 }
3888
3889 /* Setup the SSIDs if present */
3890 if ( ssids[0] ) {
3891 int i;
3892 for( i = 0; i < 3 && ssids[i]; i++ ) {
3893 size_t len = strlen(ssids[i]);
3894 if (len > 32)
3895 len = 32;
3896 mySsid.ssids[i].len = cpu_to_le16(len);
3897 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3898 }
3899 mySsid.len = cpu_to_le16(sizeof(mySsid));
3900 }
3901
3902 status = writeConfigRid(ai, lock);
3903 if ( status != SUCCESS ) return ERROR;
3904
3905 /* Set up the SSID list */
3906 if ( ssids[0] ) {
3907 status = writeSsidRid(ai, &mySsid, lock);
3908 if ( status != SUCCESS ) return ERROR;
3909 }
3910
3911 status = enable_MAC(ai, lock);
3912 if (status != SUCCESS)
3913 return ERROR;
3914
3915 /* Grab the initial wep key, we gotta save it for auto_wep */
3916 rc = readWepKeyRid(ai, &wkr, 1, lock);
3917 if (rc == SUCCESS) do {
3918 lastindex = wkr.kindex;
3919 if (wkr.kindex == cpu_to_le16(0xffff)) {
3920 ai->defindex = wkr.mac[0];
3921 }
3922 rc = readWepKeyRid(ai, &wkr, 0, lock);
3923 } while(lastindex != wkr.kindex);
3924
3925 try_auto_wep(ai);
3926
3927 return SUCCESS;
3928 }
3929
3930 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3931 // Im really paranoid about letting it run forever!
3932 int max_tries = 600000;
3933
3934 if (IN4500(ai, EVSTAT) & EV_CMD)
3935 OUT4500(ai, EVACK, EV_CMD);
3936
3937 OUT4500(ai, PARAM0, pCmd->parm0);
3938 OUT4500(ai, PARAM1, pCmd->parm1);
3939 OUT4500(ai, PARAM2, pCmd->parm2);
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3941
3942 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3943 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3944 // PC4500 didn't notice command, try again
3945 OUT4500(ai, COMMAND, pCmd->cmd);
3946 if (!in_atomic() && (max_tries & 255) == 0)
3947 schedule();
3948 }
3949
3950 if ( max_tries == -1 ) {
3951 airo_print_err(ai->dev->name,
3952 "Max tries exceeded when issuing command");
3953 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3955 return ERROR;
3956 }
3957
3958 // command completed
3959 pRsp->status = IN4500(ai, STATUS);
3960 pRsp->rsp0 = IN4500(ai, RESP0);
3961 pRsp->rsp1 = IN4500(ai, RESP1);
3962 pRsp->rsp2 = IN4500(ai, RESP2);
3963 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3964 airo_print_err(ai->dev->name,
3965 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3966 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3967 pRsp->rsp2);
3968
3969 // clear stuck command busy if necessary
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3972 }
3973 // acknowledge processing the status/response
3974 OUT4500(ai, EVACK, EV_CMD);
3975
3976 return SUCCESS;
3977 }
3978
3979 /* Sets up the bap to start exchange data. whichbap should
3980 * be one of the BAP0 or BAP1 defines. Locks should be held before
3981 * calling! */
3982 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3983 {
3984 int timeout = 50;
3985 int max_tries = 3;
3986
3987 OUT4500(ai, SELECT0+whichbap, rid);
3988 OUT4500(ai, OFFSET0+whichbap, offset);
3989 while (1) {
3990 int status = IN4500(ai, OFFSET0+whichbap);
3991 if (status & BAP_BUSY) {
3992 /* This isn't really a timeout, but its kinda
3993 close */
3994 if (timeout--) {
3995 continue;
3996 }
3997 } else if ( status & BAP_ERR ) {
3998 /* invalid rid or offset */
3999 airo_print_err(ai->dev->name, "BAP error %x %d",
4000 status, whichbap );
4001 return ERROR;
4002 } else if (status & BAP_DONE) { // success
4003 return SUCCESS;
4004 }
4005 if ( !(max_tries--) ) {
4006 airo_print_err(ai->dev->name,
4007 "BAP setup error too many retries\n");
4008 return ERROR;
4009 }
4010 // -- PC4500 missed it, try again
4011 OUT4500(ai, SELECT0+whichbap, rid);
4012 OUT4500(ai, OFFSET0+whichbap, offset);
4013 timeout = 50;
4014 }
4015 }
4016
4017 /* should only be called by aux_bap_read. This aux function and the
4018 following use concepts not documented in the developers guide. I
4019 got them from a patch given to my by Aironet */
4020 static u16 aux_setup(struct airo_info *ai, u16 page,
4021 u16 offset, u16 *len)
4022 {
4023 u16 next;
4024
4025 OUT4500(ai, AUXPAGE, page);
4026 OUT4500(ai, AUXOFF, 0);
4027 next = IN4500(ai, AUXDATA);
4028 *len = IN4500(ai, AUXDATA)&0xff;
4029 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4030 return next;
4031 }
4032
4033 /* requires call to bap_setup() first */
4034 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4035 int bytelen, int whichbap)
4036 {
4037 u16 len;
4038 u16 page;
4039 u16 offset;
4040 u16 next;
4041 int words;
4042 int i;
4043 unsigned long flags;
4044
4045 spin_lock_irqsave(&ai->aux_lock, flags);
4046 page = IN4500(ai, SWS0+whichbap);
4047 offset = IN4500(ai, SWS2+whichbap);
4048 next = aux_setup(ai, page, offset, &len);
4049 words = (bytelen+1)>>1;
4050
4051 for (i=0; i<words;) {
4052 int count;
4053 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4054 if ( !do8bitIO )
4055 insw( ai->dev->base_addr+DATA0+whichbap,
4056 pu16Dst+i,count );
4057 else
4058 insb( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Dst+i, count << 1 );
4060 i += count;
4061 if (i<words) {
4062 next = aux_setup(ai, next, 4, &len);
4063 }
4064 }
4065 spin_unlock_irqrestore(&ai->aux_lock, flags);
4066 return SUCCESS;
4067 }
4068
4069
4070 /* requires call to bap_setup() first */
4071 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4072 int bytelen, int whichbap)
4073 {
4074 bytelen = (bytelen + 1) & (~1); // round up to even value
4075 if ( !do8bitIO )
4076 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4077 else
4078 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4079 return SUCCESS;
4080 }
4081
4082 /* requires call to bap_setup() first */
4083 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4084 int bytelen, int whichbap)
4085 {
4086 bytelen = (bytelen + 1) & (~1); // round up to even value
4087 if ( !do8bitIO )
4088 outsw( ai->dev->base_addr+DATA0+whichbap,
4089 pu16Src, bytelen>>1 );
4090 else
4091 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4092 return SUCCESS;
4093 }
4094
4095 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4096 {
4097 Cmd cmd; /* for issuing commands */
4098 Resp rsp; /* response from commands */
4099 u16 status;
4100
4101 memset(&cmd, 0, sizeof(cmd));
4102 cmd.cmd = accmd;
4103 cmd.parm0 = rid;
4104 status = issuecommand(ai, &cmd, &rsp);
4105 if (status != 0) return status;
4106 if ( (rsp.status & 0x7F00) != 0) {
4107 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4108 }
4109 return 0;
4110 }
4111
4112 /* Note, that we are using BAP1 which is also used by transmit, so
4113 * we must get a lock. */
4114 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4115 {
4116 u16 status;
4117 int rc = SUCCESS;
4118
4119 if (lock) {
4120 if (down_interruptible(&ai->sem))
4121 return ERROR;
4122 }
4123 if (test_bit(FLAG_MPI,&ai->flags)) {
4124 Cmd cmd;
4125 Resp rsp;
4126
4127 memset(&cmd, 0, sizeof(cmd));
4128 memset(&rsp, 0, sizeof(rsp));
4129 ai->config_desc.rid_desc.valid = 1;
4130 ai->config_desc.rid_desc.len = RIDSIZE;
4131 ai->config_desc.rid_desc.rid = 0;
4132 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4133
4134 cmd.cmd = CMD_ACCESS;
4135 cmd.parm0 = rid;
4136
4137 memcpy_toio(ai->config_desc.card_ram_off,
4138 &ai->config_desc.rid_desc, sizeof(Rid));
4139
4140 rc = issuecommand(ai, &cmd, &rsp);
4141
4142 if (rsp.status & 0x7f00)
4143 rc = rsp.rsp0;
4144 if (!rc)
4145 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4146 goto done;
4147 } else {
4148 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4149 rc = status;
4150 goto done;
4151 }
4152 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4153 rc = ERROR;
4154 goto done;
4155 }
4156 // read the rid length field
4157 bap_read(ai, pBuf, 2, BAP1);
4158 // length for remaining part of rid
4159 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4160
4161 if ( len <= 2 ) {
4162 airo_print_err(ai->dev->name,
4163 "Rid %x has a length of %d which is too short",
4164 (int)rid, (int)len );
4165 rc = ERROR;
4166 goto done;
4167 }
4168 // read remainder of the rid
4169 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4170 }
4171 done:
4172 if (lock)
4173 up(&ai->sem);
4174 return rc;
4175 }
4176
4177 /* Note, that we are using BAP1 which is also used by transmit, so
4178 * make sure this isn't called when a transmit is happening */
4179 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4180 const void *pBuf, int len, int lock)
4181 {
4182 u16 status;
4183 int rc = SUCCESS;
4184
4185 *(__le16*)pBuf = cpu_to_le16((u16)len);
4186
4187 if (lock) {
4188 if (down_interruptible(&ai->sem))
4189 return ERROR;
4190 }
4191 if (test_bit(FLAG_MPI,&ai->flags)) {
4192 Cmd cmd;
4193 Resp rsp;
4194
4195 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4196 airo_print_err(ai->dev->name,
4197 "%s: MAC should be disabled (rid=%04x)",
4198 __func__, rid);
4199 memset(&cmd, 0, sizeof(cmd));
4200 memset(&rsp, 0, sizeof(rsp));
4201
4202 ai->config_desc.rid_desc.valid = 1;
4203 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4204 ai->config_desc.rid_desc.rid = 0;
4205
4206 cmd.cmd = CMD_WRITERID;
4207 cmd.parm0 = rid;
4208
4209 memcpy_toio(ai->config_desc.card_ram_off,
4210 &ai->config_desc.rid_desc, sizeof(Rid));
4211
4212 if (len < 4 || len > 2047) {
4213 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4214 rc = -1;
4215 } else {
4216 memcpy(ai->config_desc.virtual_host_addr,
4217 pBuf, len);
4218
4219 rc = issuecommand(ai, &cmd, &rsp);
4220 if ((rc & 0xff00) != 0) {
4221 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4222 __func__, rc);
4223 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4224 __func__, cmd.cmd);
4225 }
4226
4227 if ((rsp.status & 0x7f00))
4228 rc = rsp.rsp0;
4229 }
4230 } else {
4231 // --- first access so that we can write the rid data
4232 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4233 rc = status;
4234 goto done;
4235 }
4236 // --- now write the rid data
4237 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4238 rc = ERROR;
4239 goto done;
4240 }
4241 bap_write(ai, pBuf, len, BAP1);
4242 // ---now commit the rid data
4243 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4244 }
4245 done:
4246 if (lock)
4247 up(&ai->sem);
4248 return rc;
4249 }
4250
4251 /* Allocates a FID to be used for transmitting packets. We only use
4252 one for now. */
4253 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4254 {
4255 unsigned int loop = 3000;
4256 Cmd cmd;
4257 Resp rsp;
4258 u16 txFid;
4259 __le16 txControl;
4260
4261 cmd.cmd = CMD_ALLOCATETX;
4262 cmd.parm0 = lenPayload;
4263 if (down_interruptible(&ai->sem))
4264 return ERROR;
4265 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4266 txFid = ERROR;
4267 goto done;
4268 }
4269 if ( (rsp.status & 0xFF00) != 0) {
4270 txFid = ERROR;
4271 goto done;
4272 }
4273 /* wait for the allocate event/indication
4274 * It makes me kind of nervous that this can just sit here and spin,
4275 * but in practice it only loops like four times. */
4276 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4277 if (!loop) {
4278 txFid = ERROR;
4279 goto done;
4280 }
4281
4282 // get the allocated fid and acknowledge
4283 txFid = IN4500(ai, TXALLOCFID);
4284 OUT4500(ai, EVACK, EV_ALLOC);
4285
4286 /* The CARD is pretty cool since it converts the ethernet packet
4287 * into 802.11. Also note that we don't release the FID since we
4288 * will be using the same one over and over again. */
4289 /* We only have to setup the control once since we are not
4290 * releasing the fid. */
4291 if (raw)
4292 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4293 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4294 else
4295 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4296 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4297 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4298 txFid = ERROR;
4299 else
4300 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4301
4302 done:
4303 up(&ai->sem);
4304
4305 return txFid;
4306 }
4307
4308 /* In general BAP1 is dedicated to transmiting packets. However,
4309 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4310 Make sure the BAP1 spinlock is held when this is called. */
4311 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4312 {
4313 __le16 payloadLen;
4314 Cmd cmd;
4315 Resp rsp;
4316 int miclen = 0;
4317 u16 txFid = len;
4318 MICBuffer pMic;
4319
4320 len >>= 16;
4321
4322 if (len <= ETH_ALEN * 2) {
4323 airo_print_warn(ai->dev->name, "Short packet %d", len);
4324 return ERROR;
4325 }
4326 len -= ETH_ALEN * 2;
4327
4328 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4329 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4330 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4331 return ERROR;
4332 miclen = sizeof(pMic);
4333 }
4334 // packet is destination[6], source[6], payload[len-12]
4335 // write the payload length and dst/src/payload
4336 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4337 /* The hardware addresses aren't counted as part of the payload, so
4338 * we have to subtract the 12 bytes for the addresses off */
4339 payloadLen = cpu_to_le16(len + miclen);
4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4341 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4342 if (miclen)
4343 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4344 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4345 // issue the transmit command
4346 memset( &cmd, 0, sizeof( cmd ) );
4347 cmd.cmd = CMD_TRANSMIT;
4348 cmd.parm0 = txFid;
4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4350 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4351 return SUCCESS;
4352 }
4353
4354 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4355 {
4356 __le16 fc, payloadLen;
4357 Cmd cmd;
4358 Resp rsp;
4359 int hdrlen;
4360 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4361 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4362 u16 txFid = len;
4363 len >>= 16;
4364
4365 fc = *(__le16*)pPacket;
4366 hdrlen = header_len(fc);
4367
4368 if (len < hdrlen) {
4369 airo_print_warn(ai->dev->name, "Short packet %d", len);
4370 return ERROR;
4371 }
4372
4373 /* packet is 802.11 header + payload
4374 * write the payload length and dst/src/payload */
4375 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4376 /* The 802.11 header aren't counted as part of the payload, so
4377 * we have to subtract the header bytes off */
4378 payloadLen = cpu_to_le16(len-hdrlen);
4379 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4380 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4381 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4382 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4383
4384 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4385 // issue the transmit command
4386 memset( &cmd, 0, sizeof( cmd ) );
4387 cmd.cmd = CMD_TRANSMIT;
4388 cmd.parm0 = txFid;
4389 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4390 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4391 return SUCCESS;
4392 }
4393
4394 /*
4395 * This is the proc_fs routines. It is a bit messier than I would
4396 * like! Feel free to clean it up!
4397 */
4398
4399 static ssize_t proc_read( struct file *file,
4400 char __user *buffer,
4401 size_t len,
4402 loff_t *offset);
4403
4404 static ssize_t proc_write( struct file *file,
4405 const char __user *buffer,
4406 size_t len,
4407 loff_t *offset );
4408 static int proc_close( struct inode *inode, struct file *file );
4409
4410 static int proc_stats_open( struct inode *inode, struct file *file );
4411 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4412 static int proc_status_open( struct inode *inode, struct file *file );
4413 static int proc_SSID_open( struct inode *inode, struct file *file );
4414 static int proc_APList_open( struct inode *inode, struct file *file );
4415 static int proc_BSSList_open( struct inode *inode, struct file *file );
4416 static int proc_config_open( struct inode *inode, struct file *file );
4417 static int proc_wepkey_open( struct inode *inode, struct file *file );
4418
4419 static const struct file_operations proc_statsdelta_ops = {
4420 .owner = THIS_MODULE,
4421 .read = proc_read,
4422 .open = proc_statsdelta_open,
4423 .release = proc_close,
4424 .llseek = default_llseek,
4425 };
4426
4427 static const struct file_operations proc_stats_ops = {
4428 .owner = THIS_MODULE,
4429 .read = proc_read,
4430 .open = proc_stats_open,
4431 .release = proc_close,
4432 .llseek = default_llseek,
4433 };
4434
4435 static const struct file_operations proc_status_ops = {
4436 .owner = THIS_MODULE,
4437 .read = proc_read,
4438 .open = proc_status_open,
4439 .release = proc_close,
4440 .llseek = default_llseek,
4441 };
4442
4443 static const struct file_operations proc_SSID_ops = {
4444 .owner = THIS_MODULE,
4445 .read = proc_read,
4446 .write = proc_write,
4447 .open = proc_SSID_open,
4448 .release = proc_close,
4449 .llseek = default_llseek,
4450 };
4451
4452 static const struct file_operations proc_BSSList_ops = {
4453 .owner = THIS_MODULE,
4454 .read = proc_read,
4455 .write = proc_write,
4456 .open = proc_BSSList_open,
4457 .release = proc_close,
4458 .llseek = default_llseek,
4459 };
4460
4461 static const struct file_operations proc_APList_ops = {
4462 .owner = THIS_MODULE,
4463 .read = proc_read,
4464 .write = proc_write,
4465 .open = proc_APList_open,
4466 .release = proc_close,
4467 .llseek = default_llseek,
4468 };
4469
4470 static const struct file_operations proc_config_ops = {
4471 .owner = THIS_MODULE,
4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_config_open,
4475 .release = proc_close,
4476 .llseek = default_llseek,
4477 };
4478
4479 static const struct file_operations proc_wepkey_ops = {
4480 .owner = THIS_MODULE,
4481 .read = proc_read,
4482 .write = proc_write,
4483 .open = proc_wepkey_open,
4484 .release = proc_close,
4485 .llseek = default_llseek,
4486 };
4487
4488 static struct proc_dir_entry *airo_entry;
4489
4490 struct proc_data {
4491 int release_buffer;
4492 int readlen;
4493 char *rbuffer;
4494 int writelen;
4495 int maxwritelen;
4496 char *wbuffer;
4497 void (*on_close) (struct inode *, struct file *);
4498 };
4499
4500 static int setup_proc_entry( struct net_device *dev,
4501 struct airo_info *apriv ) {
4502 struct proc_dir_entry *entry;
4503
4504 /* First setup the device directory */
4505 strcpy(apriv->proc_name,dev->name);
4506 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4507 airo_entry);
4508 if (!apriv->proc_entry)
4509 goto fail;
4510 apriv->proc_entry->uid = proc_kuid;
4511 apriv->proc_entry->gid = proc_kgid;
4512
4513 /* Setup the StatsDelta */
4514 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4515 apriv->proc_entry, &proc_statsdelta_ops, dev);
4516 if (!entry)
4517 goto fail_stats_delta;
4518 entry->uid = proc_kuid;
4519 entry->gid = proc_kgid;
4520
4521 /* Setup the Stats */
4522 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4523 apriv->proc_entry, &proc_stats_ops, dev);
4524 if (!entry)
4525 goto fail_stats;
4526 entry->uid = proc_kuid;
4527 entry->gid = proc_kgid;
4528
4529 /* Setup the Status */
4530 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4531 apriv->proc_entry, &proc_status_ops, dev);
4532 if (!entry)
4533 goto fail_status;
4534 entry->uid = proc_kuid;
4535 entry->gid = proc_kgid;
4536
4537 /* Setup the Config */
4538 entry = proc_create_data("Config", proc_perm,
4539 apriv->proc_entry, &proc_config_ops, dev);
4540 if (!entry)
4541 goto fail_config;
4542 entry->uid = proc_kuid;
4543 entry->gid = proc_kgid;
4544
4545 /* Setup the SSID */
4546 entry = proc_create_data("SSID", proc_perm,
4547 apriv->proc_entry, &proc_SSID_ops, dev);
4548 if (!entry)
4549 goto fail_ssid;
4550 entry->uid = proc_kuid;
4551 entry->gid = proc_kgid;
4552
4553 /* Setup the APList */
4554 entry = proc_create_data("APList", proc_perm,
4555 apriv->proc_entry, &proc_APList_ops, dev);
4556 if (!entry)
4557 goto fail_aplist;
4558 entry->uid = proc_kuid;
4559 entry->gid = proc_kgid;
4560
4561 /* Setup the BSSList */
4562 entry = proc_create_data("BSSList", proc_perm,
4563 apriv->proc_entry, &proc_BSSList_ops, dev);
4564 if (!entry)
4565 goto fail_bsslist;
4566 entry->uid = proc_kuid;
4567 entry->gid = 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_wepkey;
4574 entry->uid = proc_kuid;
4575 entry->gid = proc_kgid;
4576
4577 return 0;
4578
4579 fail_wepkey:
4580 remove_proc_entry("BSSList", apriv->proc_entry);
4581 fail_bsslist:
4582 remove_proc_entry("APList", apriv->proc_entry);
4583 fail_aplist:
4584 remove_proc_entry("SSID", apriv->proc_entry);
4585 fail_ssid:
4586 remove_proc_entry("Config", apriv->proc_entry);
4587 fail_config:
4588 remove_proc_entry("Status", apriv->proc_entry);
4589 fail_status:
4590 remove_proc_entry("Stats", apriv->proc_entry);
4591 fail_stats:
4592 remove_proc_entry("StatsDelta", apriv->proc_entry);
4593 fail_stats_delta:
4594 remove_proc_entry(apriv->proc_name, airo_entry);
4595 fail:
4596 return -ENOMEM;
4597 }
4598
4599 static int takedown_proc_entry( struct net_device *dev,
4600 struct airo_info *apriv ) {
4601 if ( !apriv->proc_entry->namelen ) return 0;
4602 remove_proc_entry("Stats",apriv->proc_entry);
4603 remove_proc_entry("StatsDelta",apriv->proc_entry);
4604 remove_proc_entry("Status",apriv->proc_entry);
4605 remove_proc_entry("Config",apriv->proc_entry);
4606 remove_proc_entry("SSID",apriv->proc_entry);
4607 remove_proc_entry("APList",apriv->proc_entry);
4608 remove_proc_entry("BSSList",apriv->proc_entry);
4609 remove_proc_entry("WepKey",apriv->proc_entry);
4610 remove_proc_entry(apriv->proc_name,airo_entry);
4611 return 0;
4612 }
4613
4614 /*
4615 * What we want from the proc_fs is to be able to efficiently read
4616 * and write the configuration. To do this, we want to read the
4617 * configuration when the file is opened and write it when the file is
4618 * closed. So basically we allocate a read buffer at open and fill it
4619 * with data, and allocate a write buffer and read it at close.
4620 */
4621
4622 /*
4623 * The read routine is generic, it relies on the preallocated rbuffer
4624 * to supply the data.
4625 */
4626 static ssize_t proc_read( struct file *file,
4627 char __user *buffer,
4628 size_t len,
4629 loff_t *offset )
4630 {
4631 struct proc_data *priv = file->private_data;
4632
4633 if (!priv->rbuffer)
4634 return -EINVAL;
4635
4636 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4637 priv->readlen);
4638 }
4639
4640 /*
4641 * The write routine is generic, it fills in a preallocated rbuffer
4642 * to supply the data.
4643 */
4644 static ssize_t proc_write( struct file *file,
4645 const char __user *buffer,
4646 size_t len,
4647 loff_t *offset )
4648 {
4649 ssize_t ret;
4650 struct proc_data *priv = file->private_data;
4651
4652 if (!priv->wbuffer)
4653 return -EINVAL;
4654
4655 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4656 buffer, len);
4657 if (ret > 0)
4658 priv->writelen = max_t(int, priv->writelen, *offset);
4659
4660 return ret;
4661 }
4662
4663 static int proc_status_open(struct inode *inode, struct file *file)
4664 {
4665 struct proc_data *data;
4666 struct net_device *dev = PDE_DATA(inode);
4667 struct airo_info *apriv = dev->ml_priv;
4668 CapabilityRid cap_rid;
4669 StatusRid status_rid;
4670 u16 mode;
4671 int i;
4672
4673 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4674 return -ENOMEM;
4675 data = file->private_data;
4676 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4677 kfree (file->private_data);
4678 return -ENOMEM;
4679 }
4680
4681 readStatusRid(apriv, &status_rid, 1);
4682 readCapabilityRid(apriv, &cap_rid, 1);
4683
4684 mode = le16_to_cpu(status_rid.mode);
4685
4686 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4687 mode & 1 ? "CFG ": "",
4688 mode & 2 ? "ACT ": "",
4689 mode & 0x10 ? "SYN ": "",
4690 mode & 0x20 ? "LNK ": "",
4691 mode & 0x40 ? "LEAP ": "",
4692 mode & 0x80 ? "PRIV ": "",
4693 mode & 0x100 ? "KEY ": "",
4694 mode & 0x200 ? "WEP ": "",
4695 mode & 0x8000 ? "ERR ": "");
4696 sprintf( data->rbuffer+i, "Mode: %x\n"
4697 "Signal Strength: %d\n"
4698 "Signal Quality: %d\n"
4699 "SSID: %-.*s\n"
4700 "AP: %-.16s\n"
4701 "Freq: %d\n"
4702 "BitRate: %dmbs\n"
4703 "Driver Version: %s\n"
4704 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4705 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4706 "Software Version: %x\nSoftware Subversion: %x\n"
4707 "Boot block version: %x\n",
4708 le16_to_cpu(status_rid.mode),
4709 le16_to_cpu(status_rid.normalizedSignalStrength),
4710 le16_to_cpu(status_rid.signalQuality),
4711 le16_to_cpu(status_rid.SSIDlen),
4712 status_rid.SSID,
4713 status_rid.apName,
4714 le16_to_cpu(status_rid.channel),
4715 le16_to_cpu(status_rid.currentXmitRate) / 2,
4716 version,
4717 cap_rid.prodName,
4718 cap_rid.manName,
4719 cap_rid.prodVer,
4720 le16_to_cpu(cap_rid.radioType),
4721 le16_to_cpu(cap_rid.country),
4722 le16_to_cpu(cap_rid.hardVer),
4723 le16_to_cpu(cap_rid.softVer),
4724 le16_to_cpu(cap_rid.softSubVer),
4725 le16_to_cpu(cap_rid.bootBlockVer));
4726 data->readlen = strlen( data->rbuffer );
4727 return 0;
4728 }
4729
4730 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4731 static int proc_statsdelta_open( struct inode *inode,
4732 struct file *file ) {
4733 if (file->f_mode&FMODE_WRITE) {
4734 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4735 }
4736 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4737 }
4738
4739 static int proc_stats_open( struct inode *inode, struct file *file ) {
4740 return proc_stats_rid_open(inode, file, RID_STATS);
4741 }
4742
4743 static int proc_stats_rid_open( struct inode *inode,
4744 struct file *file,
4745 u16 rid )
4746 {
4747 struct proc_data *data;
4748 struct net_device *dev = PDE_DATA(inode);
4749 struct airo_info *apriv = dev->ml_priv;
4750 StatsRid stats;
4751 int i, j;
4752 __le32 *vals = stats.vals;
4753 int len;
4754
4755 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4756 return -ENOMEM;
4757 data = file->private_data;
4758 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4759 kfree (file->private_data);
4760 return -ENOMEM;
4761 }
4762
4763 readStatsRid(apriv, &stats, rid, 1);
4764 len = le16_to_cpu(stats.len);
4765
4766 j = 0;
4767 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4768 if (!statsLabels[i]) continue;
4769 if (j+strlen(statsLabels[i])+16>4096) {
4770 airo_print_warn(apriv->dev->name,
4771 "Potentially disastrous buffer overflow averted!");
4772 break;
4773 }
4774 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4775 le32_to_cpu(vals[i]));
4776 }
4777 if (i*4 >= len) {
4778 airo_print_warn(apriv->dev->name, "Got a short rid");
4779 }
4780 data->readlen = j;
4781 return 0;
4782 }
4783
4784 static int get_dec_u16( char *buffer, int *start, int limit ) {
4785 u16 value;
4786 int valid = 0;
4787 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4788 buffer[*start] <= '9'; (*start)++) {
4789 valid = 1;
4790 value *= 10;
4791 value += buffer[*start] - '0';
4792 }
4793 if ( !valid ) return -1;
4794 return value;
4795 }
4796
4797 static int airo_config_commit(struct net_device *dev,
4798 struct iw_request_info *info, void *zwrq,
4799 char *extra);
4800
4801 static inline int sniffing_mode(struct airo_info *ai)
4802 {
4803 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4804 le16_to_cpu(RXMODE_RFMON);
4805 }
4806
4807 static void proc_config_on_close(struct inode *inode, struct file *file)
4808 {
4809 struct proc_data *data = file->private_data;
4810 struct net_device *dev = PDE_DATA(inode);
4811 struct airo_info *ai = dev->ml_priv;
4812 char *line;
4813
4814 if ( !data->writelen ) return;
4815
4816 readConfigRid(ai, 1);
4817 set_bit (FLAG_COMMIT, &ai->flags);
4818
4819 line = data->wbuffer;
4820 while( line[0] ) {
4821 /*** Mode processing */
4822 if ( !strncmp( line, "Mode: ", 6 ) ) {
4823 line += 6;
4824 if (sniffing_mode(ai))
4825 set_bit (FLAG_RESET, &ai->flags);
4826 ai->config.rmode &= ~RXMODE_FULL_MASK;
4827 clear_bit (FLAG_802_11, &ai->flags);
4828 ai->config.opmode &= ~MODE_CFG_MASK;
4829 ai->config.scanMode = SCANMODE_ACTIVE;
4830 if ( line[0] == 'a' ) {
4831 ai->config.opmode |= MODE_STA_IBSS;
4832 } else {
4833 ai->config.opmode |= MODE_STA_ESS;
4834 if ( line[0] == 'r' ) {
4835 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4836 ai->config.scanMode = SCANMODE_PASSIVE;
4837 set_bit (FLAG_802_11, &ai->flags);
4838 } else if ( line[0] == 'y' ) {
4839 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4840 ai->config.scanMode = SCANMODE_PASSIVE;
4841 set_bit (FLAG_802_11, &ai->flags);
4842 } else if ( line[0] == 'l' )
4843 ai->config.rmode |= RXMODE_LANMON;
4844 }
4845 set_bit (FLAG_COMMIT, &ai->flags);
4846 }
4847
4848 /*** Radio status */
4849 else if (!strncmp(line,"Radio: ", 7)) {
4850 line += 7;
4851 if (!strncmp(line,"off",3)) {
4852 set_bit (FLAG_RADIO_OFF, &ai->flags);
4853 } else {
4854 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4855 }
4856 }
4857 /*** NodeName processing */
4858 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4859 int j;
4860
4861 line += 10;
4862 memset( ai->config.nodeName, 0, 16 );
4863 /* Do the name, assume a space between the mode and node name */
4864 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4865 ai->config.nodeName[j] = line[j];
4866 }
4867 set_bit (FLAG_COMMIT, &ai->flags);
4868 }
4869
4870 /*** PowerMode processing */
4871 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4872 line += 11;
4873 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4874 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4875 set_bit (FLAG_COMMIT, &ai->flags);
4876 } else if ( !strncmp( line, "PSP", 3 ) ) {
4877 ai->config.powerSaveMode = POWERSAVE_PSP;
4878 set_bit (FLAG_COMMIT, &ai->flags);
4879 } else {
4880 ai->config.powerSaveMode = POWERSAVE_CAM;
4881 set_bit (FLAG_COMMIT, &ai->flags);
4882 }
4883 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4884 int v, i = 0, k = 0; /* i is index into line,
4885 k is index to rates */
4886
4887 line += 11;
4888 while((v = get_dec_u16(line, &i, 3))!=-1) {
4889 ai->config.rates[k++] = (u8)v;
4890 line += i + 1;
4891 i = 0;
4892 }
4893 set_bit (FLAG_COMMIT, &ai->flags);
4894 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4895 int v, i = 0;
4896 line += 9;
4897 v = get_dec_u16(line, &i, i+3);
4898 if ( v != -1 ) {
4899 ai->config.channelSet = cpu_to_le16(v);
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 }
4902 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4903 int v, i = 0;
4904 line += 11;
4905 v = get_dec_u16(line, &i, i+3);
4906 if ( v != -1 ) {
4907 ai->config.txPower = cpu_to_le16(v);
4908 set_bit (FLAG_COMMIT, &ai->flags);
4909 }
4910 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4911 line += 5;
4912 switch( line[0] ) {
4913 case 's':
4914 ai->config.authType = AUTH_SHAREDKEY;
4915 break;
4916 case 'e':
4917 ai->config.authType = AUTH_ENCRYPT;
4918 break;
4919 default:
4920 ai->config.authType = AUTH_OPEN;
4921 break;
4922 }
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4925 int v, i = 0;
4926
4927 line += 16;
4928 v = get_dec_u16(line, &i, 3);
4929 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4930 ai->config.longRetryLimit = cpu_to_le16(v);
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4933 int v, i = 0;
4934
4935 line += 17;
4936 v = get_dec_u16(line, &i, 3);
4937 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4938 ai->config.shortRetryLimit = cpu_to_le16(v);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4941 int v, i = 0;
4942
4943 line += 14;
4944 v = get_dec_u16(line, &i, 4);
4945 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4946 ai->config.rtsThres = cpu_to_le16(v);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4949 int v, i = 0;
4950
4951 line += 16;
4952 v = get_dec_u16(line, &i, 5);
4953 v = (v<0) ? 0 : v;
4954 ai->config.txLifetime = cpu_to_le16(v);
4955 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4957 int v, i = 0;
4958
4959 line += 16;
4960 v = get_dec_u16(line, &i, 5);
4961 v = (v<0) ? 0 : v;
4962 ai->config.rxLifetime = cpu_to_le16(v);
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4965 ai->config.txDiversity =
4966 (line[13]=='l') ? 1 :
4967 ((line[13]=='r')? 2: 3);
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4970 ai->config.rxDiversity =
4971 (line[13]=='l') ? 1 :
4972 ((line[13]=='r')? 2: 3);
4973 set_bit (FLAG_COMMIT, &ai->flags);
4974 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4975 int v, i = 0;
4976
4977 line += 15;
4978 v = get_dec_u16(line, &i, 4);
4979 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4980 v = v & 0xfffe; /* Make sure its even */
4981 ai->config.fragThresh = cpu_to_le16(v);
4982 set_bit (FLAG_COMMIT, &ai->flags);
4983 } else if (!strncmp(line, "Modulation: ", 12)) {
4984 line += 12;
4985 switch(*line) {
4986 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4987 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4990 }
4991 } else if (!strncmp(line, "Preamble: ", 10)) {
4992 line += 10;
4993 switch(*line) {
4994 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4998 }
4999 } else {
5000 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5001 }
5002 while( line[0] && line[0] != '\n' ) line++;
5003 if ( line[0] ) line++;
5004 }
5005 airo_config_commit(dev, NULL, NULL, NULL);
5006 }
5007
5008 static const char *get_rmode(__le16 mode)
5009 {
5010 switch(mode & RXMODE_MASK) {
5011 case RXMODE_RFMON: return "rfmon";
5012 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5013 case RXMODE_LANMON: return "lanmon";
5014 }
5015 return "ESS";
5016 }
5017
5018 static int proc_config_open(struct inode *inode, struct file *file)
5019 {
5020 struct proc_data *data;
5021 struct net_device *dev = PDE_DATA(inode);
5022 struct airo_info *ai = dev->ml_priv;
5023 int i;
5024 __le16 mode;
5025
5026 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5027 return -ENOMEM;
5028 data = file->private_data;
5029 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5030 kfree (file->private_data);
5031 return -ENOMEM;
5032 }
5033 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5034 kfree (data->rbuffer);
5035 kfree (file->private_data);
5036 return -ENOMEM;
5037 }
5038 data->maxwritelen = 2048;
5039 data->on_close = proc_config_on_close;
5040
5041 readConfigRid(ai, 1);
5042
5043 mode = ai->config.opmode & MODE_CFG_MASK;
5044 i = sprintf( data->rbuffer,
5045 "Mode: %s\n"
5046 "Radio: %s\n"
5047 "NodeName: %-16s\n"
5048 "PowerMode: %s\n"
5049 "DataRates: %d %d %d %d %d %d %d %d\n"
5050 "Channel: %d\n"
5051 "XmitPower: %d\n",
5052 mode == MODE_STA_IBSS ? "adhoc" :
5053 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5054 mode == MODE_AP ? "AP" :
5055 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5056 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5057 ai->config.nodeName,
5058 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5059 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5060 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5061 "Error",
5062 (int)ai->config.rates[0],
5063 (int)ai->config.rates[1],
5064 (int)ai->config.rates[2],
5065 (int)ai->config.rates[3],
5066 (int)ai->config.rates[4],
5067 (int)ai->config.rates[5],
5068 (int)ai->config.rates[6],
5069 (int)ai->config.rates[7],
5070 le16_to_cpu(ai->config.channelSet),
5071 le16_to_cpu(ai->config.txPower)
5072 );
5073 sprintf( data->rbuffer + i,
5074 "LongRetryLimit: %d\n"
5075 "ShortRetryLimit: %d\n"
5076 "RTSThreshold: %d\n"
5077 "TXMSDULifetime: %d\n"
5078 "RXMSDULifetime: %d\n"
5079 "TXDiversity: %s\n"
5080 "RXDiversity: %s\n"
5081 "FragThreshold: %d\n"
5082 "WEP: %s\n"
5083 "Modulation: %s\n"
5084 "Preamble: %s\n",
5085 le16_to_cpu(ai->config.longRetryLimit),
5086 le16_to_cpu(ai->config.shortRetryLimit),
5087 le16_to_cpu(ai->config.rtsThres),
5088 le16_to_cpu(ai->config.txLifetime),
5089 le16_to_cpu(ai->config.rxLifetime),
5090 ai->config.txDiversity == 1 ? "left" :
5091 ai->config.txDiversity == 2 ? "right" : "both",
5092 ai->config.rxDiversity == 1 ? "left" :
5093 ai->config.rxDiversity == 2 ? "right" : "both",
5094 le16_to_cpu(ai->config.fragThresh),
5095 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5096 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5097 ai->config.modulation == MOD_DEFAULT ? "default" :
5098 ai->config.modulation == MOD_CCK ? "cck" :
5099 ai->config.modulation == MOD_MOK ? "mok" : "error",
5100 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5101 ai->config.preamble == PREAMBLE_LONG ? "long" :
5102 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5103 );
5104 data->readlen = strlen( data->rbuffer );
5105 return 0;
5106 }
5107
5108 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5109 {
5110 struct proc_data *data = file->private_data;
5111 struct net_device *dev = PDE_DATA(inode);
5112 struct airo_info *ai = dev->ml_priv;
5113 SsidRid SSID_rid;
5114 int i;
5115 char *p = data->wbuffer;
5116 char *end = p + data->writelen;
5117
5118 if (!data->writelen)
5119 return;
5120
5121 *end = '\n'; /* sentinel; we have space for it */
5122
5123 memset(&SSID_rid, 0, sizeof(SSID_rid));
5124
5125 for (i = 0; i < 3 && p < end; i++) {
5126 int j = 0;
5127 /* copy up to 32 characters from this line */
5128 while (*p != '\n' && j < 32)
5129 SSID_rid.ssids[i].ssid[j++] = *p++;
5130 if (j == 0)
5131 break;
5132 SSID_rid.ssids[i].len = cpu_to_le16(j);
5133 /* skip to the beginning of the next line */
5134 while (*p++ != '\n')
5135 ;
5136 }
5137 if (i)
5138 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5139 disable_MAC(ai, 1);
5140 writeSsidRid(ai, &SSID_rid, 1);
5141 enable_MAC(ai, 1);
5142 }
5143
5144 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5145 struct proc_data *data = file->private_data;
5146 struct net_device *dev = PDE_DATA(inode);
5147 struct airo_info *ai = dev->ml_priv;
5148 APListRid APList_rid;
5149 int i;
5150
5151 if ( !data->writelen ) return;
5152
5153 memset( &APList_rid, 0, sizeof(APList_rid) );
5154 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5155
5156 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5157 int j;
5158 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5159 switch(j%3) {
5160 case 0:
5161 APList_rid.ap[i][j/3]=
5162 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5163 break;
5164 case 1:
5165 APList_rid.ap[i][j/3]|=
5166 hex_to_bin(data->wbuffer[j+i*6*3]);
5167 break;
5168 }
5169 }
5170 }
5171 disable_MAC(ai, 1);
5172 writeAPListRid(ai, &APList_rid, 1);
5173 enable_MAC(ai, 1);
5174 }
5175
5176 /* This function wraps PC4500_writerid with a MAC disable */
5177 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5178 int len, int dummy ) {
5179 int rc;
5180
5181 disable_MAC(ai, 1);
5182 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5183 enable_MAC(ai, 1);
5184 return rc;
5185 }
5186
5187 /* Returns the WEP key at the specified index, or -1 if that key does
5188 * not exist. The buffer is assumed to be at least 16 bytes in length.
5189 */
5190 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5191 {
5192 WepKeyRid wkr;
5193 int rc;
5194 __le16 lastindex;
5195
5196 rc = readWepKeyRid(ai, &wkr, 1, 1);
5197 if (rc != SUCCESS)
5198 return -1;
5199 do {
5200 lastindex = wkr.kindex;
5201 if (le16_to_cpu(wkr.kindex) == index) {
5202 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5203 memcpy(buf, wkr.key, klen);
5204 return klen;
5205 }
5206 rc = readWepKeyRid(ai, &wkr, 0, 1);
5207 if (rc != SUCCESS)
5208 return -1;
5209 } while (lastindex != wkr.kindex);
5210 return -1;
5211 }
5212
5213 static int get_wep_tx_idx(struct airo_info *ai)
5214 {
5215 WepKeyRid wkr;
5216 int rc;
5217 __le16 lastindex;
5218
5219 rc = readWepKeyRid(ai, &wkr, 1, 1);
5220 if (rc != SUCCESS)
5221 return -1;
5222 do {
5223 lastindex = wkr.kindex;
5224 if (wkr.kindex == cpu_to_le16(0xffff))
5225 return wkr.mac[0];
5226 rc = readWepKeyRid(ai, &wkr, 0, 1);
5227 if (rc != SUCCESS)
5228 return -1;
5229 } while (lastindex != wkr.kindex);
5230 return -1;
5231 }
5232
5233 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5234 u16 keylen, int perm, int lock)
5235 {
5236 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5237 WepKeyRid wkr;
5238 int rc;
5239
5240 if (WARN_ON(keylen == 0))
5241 return -1;
5242
5243 memset(&wkr, 0, sizeof(wkr));
5244 wkr.len = cpu_to_le16(sizeof(wkr));
5245 wkr.kindex = cpu_to_le16(index);
5246 wkr.klen = cpu_to_le16(keylen);
5247 memcpy(wkr.key, key, keylen);
5248 memcpy(wkr.mac, macaddr, ETH_ALEN);
5249
5250 if (perm) disable_MAC(ai, lock);
5251 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5252 if (perm) enable_MAC(ai, lock);
5253 return rc;
5254 }
5255
5256 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5257 {
5258 WepKeyRid wkr;
5259 int rc;
5260
5261 memset(&wkr, 0, sizeof(wkr));
5262 wkr.len = cpu_to_le16(sizeof(wkr));
5263 wkr.kindex = cpu_to_le16(0xffff);
5264 wkr.mac[0] = (char)index;
5265
5266 if (perm) {
5267 ai->defindex = (char)index;
5268 disable_MAC(ai, lock);
5269 }
5270
5271 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5272
5273 if (perm)
5274 enable_MAC(ai, lock);
5275 return rc;
5276 }
5277
5278 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5279 struct proc_data *data;
5280 struct net_device *dev = PDE_DATA(inode);
5281 struct airo_info *ai = dev->ml_priv;
5282 int i, rc;
5283 char key[16];
5284 u16 index = 0;
5285 int j = 0;
5286
5287 memset(key, 0, sizeof(key));
5288
5289 data = file->private_data;
5290 if ( !data->writelen ) return;
5291
5292 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5293 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5294 index = data->wbuffer[0] - '0';
5295 if (data->wbuffer[1] == '\n') {
5296 rc = set_wep_tx_idx(ai, index, 1, 1);
5297 if (rc < 0) {
5298 airo_print_err(ai->dev->name, "failed to set "
5299 "WEP transmit index to %d: %d.",
5300 index, rc);
5301 }
5302 return;
5303 }
5304 j = 2;
5305 } else {
5306 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5307 return;
5308 }
5309
5310 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5311 switch(i%3) {
5312 case 0:
5313 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5314 break;
5315 case 1:
5316 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5317 break;
5318 }
5319 }
5320
5321 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5322 if (rc < 0) {
5323 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5324 "%d: %d.", index, rc);
5325 }
5326 }
5327
5328 static int proc_wepkey_open( struct inode *inode, struct file *file )
5329 {
5330 struct proc_data *data;
5331 struct net_device *dev = PDE_DATA(inode);
5332 struct airo_info *ai = dev->ml_priv;
5333 char *ptr;
5334 WepKeyRid wkr;
5335 __le16 lastindex;
5336 int j=0;
5337 int rc;
5338
5339 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5340 return -ENOMEM;
5341 memset(&wkr, 0, sizeof(wkr));
5342 data = file->private_data;
5343 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5344 kfree (file->private_data);
5345 return -ENOMEM;
5346 }
5347 data->writelen = 0;
5348 data->maxwritelen = 80;
5349 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5350 kfree (data->rbuffer);
5351 kfree (file->private_data);
5352 return -ENOMEM;
5353 }
5354 data->on_close = proc_wepkey_on_close;
5355
5356 ptr = data->rbuffer;
5357 strcpy(ptr, "No wep keys\n");
5358 rc = readWepKeyRid(ai, &wkr, 1, 1);
5359 if (rc == SUCCESS) do {
5360 lastindex = wkr.kindex;
5361 if (wkr.kindex == cpu_to_le16(0xffff)) {
5362 j += sprintf(ptr+j, "Tx key = %d\n",
5363 (int)wkr.mac[0]);
5364 } else {
5365 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5366 le16_to_cpu(wkr.kindex),
5367 le16_to_cpu(wkr.klen));
5368 }
5369 readWepKeyRid(ai, &wkr, 0, 1);
5370 } while((lastindex != wkr.kindex) && (j < 180-30));
5371
5372 data->readlen = strlen( data->rbuffer );
5373 return 0;
5374 }
5375
5376 static int proc_SSID_open(struct inode *inode, struct file *file)
5377 {
5378 struct proc_data *data;
5379 struct net_device *dev = PDE_DATA(inode);
5380 struct airo_info *ai = dev->ml_priv;
5381 int i;
5382 char *ptr;
5383 SsidRid SSID_rid;
5384
5385 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5386 return -ENOMEM;
5387 data = file->private_data;
5388 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5389 kfree (file->private_data);
5390 return -ENOMEM;
5391 }
5392 data->writelen = 0;
5393 data->maxwritelen = 33*3;
5394 /* allocate maxwritelen + 1; we'll want a sentinel */
5395 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5396 kfree (data->rbuffer);
5397 kfree (file->private_data);
5398 return -ENOMEM;
5399 }
5400 data->on_close = proc_SSID_on_close;
5401
5402 readSsidRid(ai, &SSID_rid);
5403 ptr = data->rbuffer;
5404 for (i = 0; i < 3; i++) {
5405 int j;
5406 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5407 if (!len)
5408 break;
5409 if (len > 32)
5410 len = 32;
5411 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5412 *ptr++ = SSID_rid.ssids[i].ssid[j];
5413 *ptr++ = '\n';
5414 }
5415 *ptr = '\0';
5416 data->readlen = strlen( data->rbuffer );
5417 return 0;
5418 }
5419
5420 static int proc_APList_open( struct inode *inode, struct file *file ) {
5421 struct proc_data *data;
5422 struct net_device *dev = PDE_DATA(inode);
5423 struct airo_info *ai = dev->ml_priv;
5424 int i;
5425 char *ptr;
5426 APListRid APList_rid;
5427
5428 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5429 return -ENOMEM;
5430 data = file->private_data;
5431 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5432 kfree (file->private_data);
5433 return -ENOMEM;
5434 }
5435 data->writelen = 0;
5436 data->maxwritelen = 4*6*3;
5437 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5438 kfree (data->rbuffer);
5439 kfree (file->private_data);
5440 return -ENOMEM;
5441 }
5442 data->on_close = proc_APList_on_close;
5443
5444 readAPListRid(ai, &APList_rid);
5445 ptr = data->rbuffer;
5446 for( i = 0; i < 4; i++ ) {
5447 // We end when we find a zero MAC
5448 if ( !*(int*)APList_rid.ap[i] &&
5449 !*(int*)&APList_rid.ap[i][2]) break;
5450 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5451 }
5452 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5453
5454 *ptr = '\0';
5455 data->readlen = strlen( data->rbuffer );
5456 return 0;
5457 }
5458
5459 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5460 struct proc_data *data;
5461 struct net_device *dev = PDE_DATA(inode);
5462 struct airo_info *ai = dev->ml_priv;
5463 char *ptr;
5464 BSSListRid BSSList_rid;
5465 int rc;
5466 /* If doLoseSync is not 1, we won't do a Lose Sync */
5467 int doLoseSync = -1;
5468
5469 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5470 return -ENOMEM;
5471 data = file->private_data;
5472 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5473 kfree (file->private_data);
5474 return -ENOMEM;
5475 }
5476 data->writelen = 0;
5477 data->maxwritelen = 0;
5478 data->wbuffer = NULL;
5479 data->on_close = NULL;
5480
5481 if (file->f_mode & FMODE_WRITE) {
5482 if (!(file->f_mode & FMODE_READ)) {
5483 Cmd cmd;
5484 Resp rsp;
5485
5486 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5487 memset(&cmd, 0, sizeof(cmd));
5488 cmd.cmd=CMD_LISTBSS;
5489 if (down_interruptible(&ai->sem))
5490 return -ERESTARTSYS;
5491 issuecommand(ai, &cmd, &rsp);
5492 up(&ai->sem);
5493 data->readlen = 0;
5494 return 0;
5495 }
5496 doLoseSync = 1;
5497 }
5498 ptr = data->rbuffer;
5499 /* There is a race condition here if there are concurrent opens.
5500 Since it is a rare condition, we'll just live with it, otherwise
5501 we have to add a spin lock... */
5502 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5503 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5504 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5505 BSSList_rid.bssid,
5506 (int)BSSList_rid.ssidLen,
5507 BSSList_rid.ssid,
5508 le16_to_cpu(BSSList_rid.dBm));
5509 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5510 le16_to_cpu(BSSList_rid.dsChannel),
5511 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5512 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5513 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5514 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5515 rc = readBSSListRid(ai, 0, &BSSList_rid);
5516 }
5517 *ptr = '\0';
5518 data->readlen = strlen( data->rbuffer );
5519 return 0;
5520 }
5521
5522 static int proc_close( struct inode *inode, struct file *file )
5523 {
5524 struct proc_data *data = file->private_data;
5525
5526 if (data->on_close != NULL)
5527 data->on_close(inode, file);
5528 kfree(data->rbuffer);
5529 kfree(data->wbuffer);
5530 kfree(data);
5531 return 0;
5532 }
5533
5534 /* Since the card doesn't automatically switch to the right WEP mode,
5535 we will make it do it. If the card isn't associated, every secs we
5536 will switch WEP modes to see if that will help. If the card is
5537 associated we will check every minute to see if anything has
5538 changed. */
5539 static void timer_func( struct net_device *dev ) {
5540 struct airo_info *apriv = dev->ml_priv;
5541
5542 /* We don't have a link so try changing the authtype */
5543 readConfigRid(apriv, 0);
5544 disable_MAC(apriv, 0);
5545 switch(apriv->config.authType) {
5546 case AUTH_ENCRYPT:
5547 /* So drop to OPEN */
5548 apriv->config.authType = AUTH_OPEN;
5549 break;
5550 case AUTH_SHAREDKEY:
5551 if (apriv->keyindex < auto_wep) {
5552 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5553 apriv->config.authType = AUTH_SHAREDKEY;
5554 apriv->keyindex++;
5555 } else {
5556 /* Drop to ENCRYPT */
5557 apriv->keyindex = 0;
5558 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5559 apriv->config.authType = AUTH_ENCRYPT;
5560 }
5561 break;
5562 default: /* We'll escalate to SHAREDKEY */
5563 apriv->config.authType = AUTH_SHAREDKEY;
5564 }
5565 set_bit (FLAG_COMMIT, &apriv->flags);
5566 writeConfigRid(apriv, 0);
5567 enable_MAC(apriv, 0);
5568 up(&apriv->sem);
5569
5570 /* Schedule check to see if the change worked */
5571 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5572 apriv->expires = RUN_AT(HZ*3);
5573 }
5574
5575 #ifdef CONFIG_PCI
5576 static int airo_pci_probe(struct pci_dev *pdev,
5577 const struct pci_device_id *pent)
5578 {
5579 struct net_device *dev;
5580
5581 if (pci_enable_device(pdev))
5582 return -ENODEV;
5583 pci_set_master(pdev);
5584
5585 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5586 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5587 else
5588 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5589 if (!dev) {
5590 pci_disable_device(pdev);
5591 return -ENODEV;
5592 }
5593
5594 pci_set_drvdata(pdev, dev);
5595 return 0;
5596 }
5597
5598 static void airo_pci_remove(struct pci_dev *pdev)
5599 {
5600 struct net_device *dev = pci_get_drvdata(pdev);
5601
5602 airo_print_info(dev->name, "Unregistering...");
5603 stop_airo_card(dev, 1);
5604 pci_disable_device(pdev);
5605 pci_set_drvdata(pdev, NULL);
5606 }
5607
5608 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5609 {
5610 struct net_device *dev = pci_get_drvdata(pdev);
5611 struct airo_info *ai = dev->ml_priv;
5612 Cmd cmd;
5613 Resp rsp;
5614
5615 if (!ai->APList)
5616 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5617 if (!ai->APList)
5618 return -ENOMEM;
5619 if (!ai->SSID)
5620 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5621 if (!ai->SSID)
5622 return -ENOMEM;
5623 readAPListRid(ai, ai->APList);
5624 readSsidRid(ai, ai->SSID);
5625 memset(&cmd, 0, sizeof(cmd));
5626 /* the lock will be released at the end of the resume callback */
5627 if (down_interruptible(&ai->sem))
5628 return -EAGAIN;
5629 disable_MAC(ai, 0);
5630 netif_device_detach(dev);
5631 ai->power = state;
5632 cmd.cmd = HOSTSLEEP;
5633 issuecommand(ai, &cmd, &rsp);
5634
5635 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5636 pci_save_state(pdev);
5637 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5638 return 0;
5639 }
5640
5641 static int airo_pci_resume(struct pci_dev *pdev)
5642 {
5643 struct net_device *dev = pci_get_drvdata(pdev);
5644 struct airo_info *ai = dev->ml_priv;
5645 pci_power_t prev_state = pdev->current_state;
5646
5647 pci_set_power_state(pdev, PCI_D0);
5648 pci_restore_state(pdev);
5649 pci_enable_wake(pdev, PCI_D0, 0);
5650
5651 if (prev_state != PCI_D1) {
5652 reset_card(dev, 0);
5653 mpi_init_descriptors(ai);
5654 setup_card(ai, dev->dev_addr, 0);
5655 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5656 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5657 } else {
5658 OUT4500(ai, EVACK, EV_AWAKEN);
5659 OUT4500(ai, EVACK, EV_AWAKEN);
5660 msleep(100);
5661 }
5662
5663 set_bit(FLAG_COMMIT, &ai->flags);
5664 disable_MAC(ai, 0);
5665 msleep(200);
5666 if (ai->SSID) {
5667 writeSsidRid(ai, ai->SSID, 0);
5668 kfree(ai->SSID);
5669 ai->SSID = NULL;
5670 }
5671 if (ai->APList) {
5672 writeAPListRid(ai, ai->APList, 0);
5673 kfree(ai->APList);
5674 ai->APList = NULL;
5675 }
5676 writeConfigRid(ai, 0);
5677 enable_MAC(ai, 0);
5678 ai->power = PMSG_ON;
5679 netif_device_attach(dev);
5680 netif_wake_queue(dev);
5681 enable_interrupts(ai);
5682 up(&ai->sem);
5683 return 0;
5684 }
5685 #endif
5686
5687 static int __init airo_init_module( void )
5688 {
5689 int i;
5690
5691 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5692 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5693 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5694 return -EINVAL;
5695
5696 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5697
5698 if (airo_entry) {
5699 airo_entry->uid = proc_kuid;
5700 airo_entry->gid = proc_kgid;
5701 }
5702
5703 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5704 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5705 "io=0x%x", irq[i], io[i] );
5706 if (init_airo_card( irq[i], io[i], 0, NULL ))
5707 /* do nothing */ ;
5708 }
5709
5710 #ifdef CONFIG_PCI
5711 airo_print_info("", "Probing for PCI adapters");
5712 i = pci_register_driver(&airo_driver);
5713 airo_print_info("", "Finished probing for PCI adapters");
5714
5715 if (i) {
5716 remove_proc_entry("driver/aironet", NULL);
5717 return i;
5718 }
5719 #endif
5720
5721 /* Always exit with success, as we are a library module
5722 * as well as a driver module
5723 */
5724 return 0;
5725 }
5726
5727 static void __exit airo_cleanup_module( void )
5728 {
5729 struct airo_info *ai;
5730 while(!list_empty(&airo_devices)) {
5731 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5732 airo_print_info(ai->dev->name, "Unregistering...");
5733 stop_airo_card(ai->dev, 1);
5734 }
5735 #ifdef CONFIG_PCI
5736 pci_unregister_driver(&airo_driver);
5737 #endif
5738 remove_proc_entry("driver/aironet", NULL);
5739 }
5740
5741 /*
5742 * Initial Wireless Extension code for Aironet driver by :
5743 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5744 * Conversion to new driver API by :
5745 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5746 * Javier also did a good amount of work here, adding some new extensions
5747 * and fixing my code. Let's just say that without him this code just
5748 * would not work at all... - Jean II
5749 */
5750
5751 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5752 {
5753 if (!rssi_rid)
5754 return 0;
5755
5756 return (0x100 - rssi_rid[rssi].rssidBm);
5757 }
5758
5759 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5760 {
5761 int i;
5762
5763 if (!rssi_rid)
5764 return 0;
5765
5766 for (i = 0; i < 256; i++)
5767 if (rssi_rid[i].rssidBm == dbm)
5768 return rssi_rid[i].rssipct;
5769
5770 return 0;
5771 }
5772
5773
5774 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5775 {
5776 int quality = 0;
5777 u16 sq;
5778
5779 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5780 return 0;
5781
5782 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5783 return 0;
5784
5785 sq = le16_to_cpu(status_rid->signalQuality);
5786 if (memcmp(cap_rid->prodName, "350", 3))
5787 if (sq > 0x20)
5788 quality = 0;
5789 else
5790 quality = 0x20 - sq;
5791 else
5792 if (sq > 0xb0)
5793 quality = 0;
5794 else if (sq < 0x10)
5795 quality = 0xa0;
5796 else
5797 quality = 0xb0 - sq;
5798 return quality;
5799 }
5800
5801 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5802 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5803
5804 /*------------------------------------------------------------------*/
5805 /*
5806 * Wireless Handler : get protocol name
5807 */
5808 static int airo_get_name(struct net_device *dev,
5809 struct iw_request_info *info,
5810 char *cwrq,
5811 char *extra)
5812 {
5813 strcpy(cwrq, "IEEE 802.11-DS");
5814 return 0;
5815 }
5816
5817 /*------------------------------------------------------------------*/
5818 /*
5819 * Wireless Handler : set frequency
5820 */
5821 static int airo_set_freq(struct net_device *dev,
5822 struct iw_request_info *info,
5823 struct iw_freq *fwrq,
5824 char *extra)
5825 {
5826 struct airo_info *local = dev->ml_priv;
5827 int rc = -EINPROGRESS; /* Call commit handler */
5828
5829 /* If setting by frequency, convert to a channel */
5830 if(fwrq->e == 1) {
5831 int f = fwrq->m / 100000;
5832
5833 /* Hack to fall through... */
5834 fwrq->e = 0;
5835 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5836 }
5837 /* Setting by channel number */
5838 if((fwrq->m > 1000) || (fwrq->e > 0))
5839 rc = -EOPNOTSUPP;
5840 else {
5841 int channel = fwrq->m;
5842 /* We should do a better check than that,
5843 * based on the card capability !!! */
5844 if((channel < 1) || (channel > 14)) {
5845 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5846 fwrq->m);
5847 rc = -EINVAL;
5848 } else {
5849 readConfigRid(local, 1);
5850 /* Yes ! We can set it !!! */
5851 local->config.channelSet = cpu_to_le16(channel);
5852 set_bit (FLAG_COMMIT, &local->flags);
5853 }
5854 }
5855 return rc;
5856 }
5857
5858 /*------------------------------------------------------------------*/
5859 /*
5860 * Wireless Handler : get frequency
5861 */
5862 static int airo_get_freq(struct net_device *dev,
5863 struct iw_request_info *info,
5864 struct iw_freq *fwrq,
5865 char *extra)
5866 {
5867 struct airo_info *local = dev->ml_priv;
5868 StatusRid status_rid; /* Card status info */
5869 int ch;
5870
5871 readConfigRid(local, 1);
5872 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5873 status_rid.channel = local->config.channelSet;
5874 else
5875 readStatusRid(local, &status_rid, 1);
5876
5877 ch = le16_to_cpu(status_rid.channel);
5878 if((ch > 0) && (ch < 15)) {
5879 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5880 fwrq->e = 1;
5881 } else {
5882 fwrq->m = ch;
5883 fwrq->e = 0;
5884 }
5885
5886 return 0;
5887 }
5888
5889 /*------------------------------------------------------------------*/
5890 /*
5891 * Wireless Handler : set ESSID
5892 */
5893 static int airo_set_essid(struct net_device *dev,
5894 struct iw_request_info *info,
5895 struct iw_point *dwrq,
5896 char *extra)
5897 {
5898 struct airo_info *local = dev->ml_priv;
5899 SsidRid SSID_rid; /* SSIDs */
5900
5901 /* Reload the list of current SSID */
5902 readSsidRid(local, &SSID_rid);
5903
5904 /* Check if we asked for `any' */
5905 if (dwrq->flags == 0) {
5906 /* Just send an empty SSID list */
5907 memset(&SSID_rid, 0, sizeof(SSID_rid));
5908 } else {
5909 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5910
5911 /* Check the size of the string */
5912 if (dwrq->length > IW_ESSID_MAX_SIZE)
5913 return -E2BIG ;
5914
5915 /* Check if index is valid */
5916 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5917 return -EINVAL;
5918
5919 /* Set the SSID */
5920 memset(SSID_rid.ssids[index].ssid, 0,
5921 sizeof(SSID_rid.ssids[index].ssid));
5922 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5923 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5924 }
5925 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5926 /* Write it to the card */
5927 disable_MAC(local, 1);
5928 writeSsidRid(local, &SSID_rid, 1);
5929 enable_MAC(local, 1);
5930
5931 return 0;
5932 }
5933
5934 /*------------------------------------------------------------------*/
5935 /*
5936 * Wireless Handler : get ESSID
5937 */
5938 static int airo_get_essid(struct net_device *dev,
5939 struct iw_request_info *info,
5940 struct iw_point *dwrq,
5941 char *extra)
5942 {
5943 struct airo_info *local = dev->ml_priv;
5944 StatusRid status_rid; /* Card status info */
5945
5946 readStatusRid(local, &status_rid, 1);
5947
5948 /* Note : if dwrq->flags != 0, we should
5949 * get the relevant SSID from the SSID list... */
5950
5951 /* Get the current SSID */
5952 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5953 /* If none, we may want to get the one that was set */
5954
5955 /* Push it out ! */
5956 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5957 dwrq->flags = 1; /* active */
5958
5959 return 0;
5960 }
5961
5962 /*------------------------------------------------------------------*/
5963 /*
5964 * Wireless Handler : set AP address
5965 */
5966 static int airo_set_wap(struct net_device *dev,
5967 struct iw_request_info *info,
5968 struct sockaddr *awrq,
5969 char *extra)
5970 {
5971 struct airo_info *local = dev->ml_priv;
5972 Cmd cmd;
5973 Resp rsp;
5974 APListRid APList_rid;
5975
5976 if (awrq->sa_family != ARPHRD_ETHER)
5977 return -EINVAL;
5978 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5979 is_zero_ether_addr(awrq->sa_data)) {
5980 memset(&cmd, 0, sizeof(cmd));
5981 cmd.cmd=CMD_LOSE_SYNC;
5982 if (down_interruptible(&local->sem))
5983 return -ERESTARTSYS;
5984 issuecommand(local, &cmd, &rsp);
5985 up(&local->sem);
5986 } else {
5987 memset(&APList_rid, 0, sizeof(APList_rid));
5988 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5989 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5990 disable_MAC(local, 1);
5991 writeAPListRid(local, &APList_rid, 1);
5992 enable_MAC(local, 1);
5993 }
5994 return 0;
5995 }
5996
5997 /*------------------------------------------------------------------*/
5998 /*
5999 * Wireless Handler : get AP address
6000 */
6001 static int airo_get_wap(struct net_device *dev,
6002 struct iw_request_info *info,
6003 struct sockaddr *awrq,
6004 char *extra)
6005 {
6006 struct airo_info *local = dev->ml_priv;
6007 StatusRid status_rid; /* Card status info */
6008
6009 readStatusRid(local, &status_rid, 1);
6010
6011 /* Tentative. This seems to work, wow, I'm lucky !!! */
6012 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6013 awrq->sa_family = ARPHRD_ETHER;
6014
6015 return 0;
6016 }
6017
6018 /*------------------------------------------------------------------*/
6019 /*
6020 * Wireless Handler : set Nickname
6021 */
6022 static int airo_set_nick(struct net_device *dev,
6023 struct iw_request_info *info,
6024 struct iw_point *dwrq,
6025 char *extra)
6026 {
6027 struct airo_info *local = dev->ml_priv;
6028
6029 /* Check the size of the string */
6030 if(dwrq->length > 16) {
6031 return -E2BIG;
6032 }
6033 readConfigRid(local, 1);
6034 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6035 memcpy(local->config.nodeName, extra, dwrq->length);
6036 set_bit (FLAG_COMMIT, &local->flags);
6037
6038 return -EINPROGRESS; /* Call commit handler */
6039 }
6040
6041 /*------------------------------------------------------------------*/
6042 /*
6043 * Wireless Handler : get Nickname
6044 */
6045 static int airo_get_nick(struct net_device *dev,
6046 struct iw_request_info *info,
6047 struct iw_point *dwrq,
6048 char *extra)
6049 {
6050 struct airo_info *local = dev->ml_priv;
6051
6052 readConfigRid(local, 1);
6053 strncpy(extra, local->config.nodeName, 16);
6054 extra[16] = '\0';
6055 dwrq->length = strlen(extra);
6056
6057 return 0;
6058 }
6059
6060 /*------------------------------------------------------------------*/
6061 /*
6062 * Wireless Handler : set Bit-Rate
6063 */
6064 static int airo_set_rate(struct net_device *dev,
6065 struct iw_request_info *info,
6066 struct iw_param *vwrq,
6067 char *extra)
6068 {
6069 struct airo_info *local = dev->ml_priv;
6070 CapabilityRid cap_rid; /* Card capability info */
6071 u8 brate = 0;
6072 int i;
6073
6074 /* First : get a valid bit rate value */
6075 readCapabilityRid(local, &cap_rid, 1);
6076
6077 /* Which type of value ? */
6078 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6079 /* Setting by rate index */
6080 /* Find value in the magic rate table */
6081 brate = cap_rid.supportedRates[vwrq->value];
6082 } else {
6083 /* Setting by frequency value */
6084 u8 normvalue = (u8) (vwrq->value/500000);
6085
6086 /* Check if rate is valid */
6087 for(i = 0 ; i < 8 ; i++) {
6088 if(normvalue == cap_rid.supportedRates[i]) {
6089 brate = normvalue;
6090 break;
6091 }
6092 }
6093 }
6094 /* -1 designed the max rate (mostly auto mode) */
6095 if(vwrq->value == -1) {
6096 /* Get the highest available rate */
6097 for(i = 0 ; i < 8 ; i++) {
6098 if(cap_rid.supportedRates[i] == 0)
6099 break;
6100 }
6101 if(i != 0)
6102 brate = cap_rid.supportedRates[i - 1];
6103 }
6104 /* Check that it is valid */
6105 if(brate == 0) {
6106 return -EINVAL;
6107 }
6108
6109 readConfigRid(local, 1);
6110 /* Now, check if we want a fixed or auto value */
6111 if(vwrq->fixed == 0) {
6112 /* Fill all the rates up to this max rate */
6113 memset(local->config.rates, 0, 8);
6114 for(i = 0 ; i < 8 ; i++) {
6115 local->config.rates[i] = cap_rid.supportedRates[i];
6116 if(local->config.rates[i] == brate)
6117 break;
6118 }
6119 } else {
6120 /* Fixed mode */
6121 /* One rate, fixed */
6122 memset(local->config.rates, 0, 8);
6123 local->config.rates[0] = brate;
6124 }
6125 set_bit (FLAG_COMMIT, &local->flags);
6126
6127 return -EINPROGRESS; /* Call commit handler */
6128 }
6129
6130 /*------------------------------------------------------------------*/
6131 /*
6132 * Wireless Handler : get Bit-Rate
6133 */
6134 static int airo_get_rate(struct net_device *dev,
6135 struct iw_request_info *info,
6136 struct iw_param *vwrq,
6137 char *extra)
6138 {
6139 struct airo_info *local = dev->ml_priv;
6140 StatusRid status_rid; /* Card status info */
6141
6142 readStatusRid(local, &status_rid, 1);
6143
6144 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6145 /* If more than one rate, set auto */
6146 readConfigRid(local, 1);
6147 vwrq->fixed = (local->config.rates[1] == 0);
6148
6149 return 0;
6150 }
6151
6152 /*------------------------------------------------------------------*/
6153 /*
6154 * Wireless Handler : set RTS threshold
6155 */
6156 static int airo_set_rts(struct net_device *dev,
6157 struct iw_request_info *info,
6158 struct iw_param *vwrq,
6159 char *extra)
6160 {
6161 struct airo_info *local = dev->ml_priv;
6162 int rthr = vwrq->value;
6163
6164 if(vwrq->disabled)
6165 rthr = AIRO_DEF_MTU;
6166 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6167 return -EINVAL;
6168 }
6169 readConfigRid(local, 1);
6170 local->config.rtsThres = cpu_to_le16(rthr);
6171 set_bit (FLAG_COMMIT, &local->flags);
6172
6173 return -EINPROGRESS; /* Call commit handler */
6174 }
6175
6176 /*------------------------------------------------------------------*/
6177 /*
6178 * Wireless Handler : get RTS threshold
6179 */
6180 static int airo_get_rts(struct net_device *dev,
6181 struct iw_request_info *info,
6182 struct iw_param *vwrq,
6183 char *extra)
6184 {
6185 struct airo_info *local = dev->ml_priv;
6186
6187 readConfigRid(local, 1);
6188 vwrq->value = le16_to_cpu(local->config.rtsThres);
6189 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6190 vwrq->fixed = 1;
6191
6192 return 0;
6193 }
6194
6195 /*------------------------------------------------------------------*/
6196 /*
6197 * Wireless Handler : set Fragmentation threshold
6198 */
6199 static int airo_set_frag(struct net_device *dev,
6200 struct iw_request_info *info,
6201 struct iw_param *vwrq,
6202 char *extra)
6203 {
6204 struct airo_info *local = dev->ml_priv;
6205 int fthr = vwrq->value;
6206
6207 if(vwrq->disabled)
6208 fthr = AIRO_DEF_MTU;
6209 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6210 return -EINVAL;
6211 }
6212 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6213 readConfigRid(local, 1);
6214 local->config.fragThresh = cpu_to_le16(fthr);
6215 set_bit (FLAG_COMMIT, &local->flags);
6216
6217 return -EINPROGRESS; /* Call commit handler */
6218 }
6219
6220 /*------------------------------------------------------------------*/
6221 /*
6222 * Wireless Handler : get Fragmentation threshold
6223 */
6224 static int airo_get_frag(struct net_device *dev,
6225 struct iw_request_info *info,
6226 struct iw_param *vwrq,
6227 char *extra)
6228 {
6229 struct airo_info *local = dev->ml_priv;
6230
6231 readConfigRid(local, 1);
6232 vwrq->value = le16_to_cpu(local->config.fragThresh);
6233 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6234 vwrq->fixed = 1;
6235
6236 return 0;
6237 }
6238
6239 /*------------------------------------------------------------------*/
6240 /*
6241 * Wireless Handler : set Mode of Operation
6242 */
6243 static int airo_set_mode(struct net_device *dev,
6244 struct iw_request_info *info,
6245 __u32 *uwrq,
6246 char *extra)
6247 {
6248 struct airo_info *local = dev->ml_priv;
6249 int reset = 0;
6250
6251 readConfigRid(local, 1);
6252 if (sniffing_mode(local))
6253 reset = 1;
6254
6255 switch(*uwrq) {
6256 case IW_MODE_ADHOC:
6257 local->config.opmode &= ~MODE_CFG_MASK;
6258 local->config.opmode |= MODE_STA_IBSS;
6259 local->config.rmode &= ~RXMODE_FULL_MASK;
6260 local->config.scanMode = SCANMODE_ACTIVE;
6261 clear_bit (FLAG_802_11, &local->flags);
6262 break;
6263 case IW_MODE_INFRA:
6264 local->config.opmode &= ~MODE_CFG_MASK;
6265 local->config.opmode |= MODE_STA_ESS;
6266 local->config.rmode &= ~RXMODE_FULL_MASK;
6267 local->config.scanMode = SCANMODE_ACTIVE;
6268 clear_bit (FLAG_802_11, &local->flags);
6269 break;
6270 case IW_MODE_MASTER:
6271 local->config.opmode &= ~MODE_CFG_MASK;
6272 local->config.opmode |= MODE_AP;
6273 local->config.rmode &= ~RXMODE_FULL_MASK;
6274 local->config.scanMode = SCANMODE_ACTIVE;
6275 clear_bit (FLAG_802_11, &local->flags);
6276 break;
6277 case IW_MODE_REPEAT:
6278 local->config.opmode &= ~MODE_CFG_MASK;
6279 local->config.opmode |= MODE_AP_RPTR;
6280 local->config.rmode &= ~RXMODE_FULL_MASK;
6281 local->config.scanMode = SCANMODE_ACTIVE;
6282 clear_bit (FLAG_802_11, &local->flags);
6283 break;
6284 case IW_MODE_MONITOR:
6285 local->config.opmode &= ~MODE_CFG_MASK;
6286 local->config.opmode |= MODE_STA_ESS;
6287 local->config.rmode &= ~RXMODE_FULL_MASK;
6288 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6289 local->config.scanMode = SCANMODE_PASSIVE;
6290 set_bit (FLAG_802_11, &local->flags);
6291 break;
6292 default:
6293 return -EINVAL;
6294 }
6295 if (reset)
6296 set_bit (FLAG_RESET, &local->flags);
6297 set_bit (FLAG_COMMIT, &local->flags);
6298
6299 return -EINPROGRESS; /* Call commit handler */
6300 }
6301
6302 /*------------------------------------------------------------------*/
6303 /*
6304 * Wireless Handler : get Mode of Operation
6305 */
6306 static int airo_get_mode(struct net_device *dev,
6307 struct iw_request_info *info,
6308 __u32 *uwrq,
6309 char *extra)
6310 {
6311 struct airo_info *local = dev->ml_priv;
6312
6313 readConfigRid(local, 1);
6314 /* If not managed, assume it's ad-hoc */
6315 switch (local->config.opmode & MODE_CFG_MASK) {
6316 case MODE_STA_ESS:
6317 *uwrq = IW_MODE_INFRA;
6318 break;
6319 case MODE_AP:
6320 *uwrq = IW_MODE_MASTER;
6321 break;
6322 case MODE_AP_RPTR:
6323 *uwrq = IW_MODE_REPEAT;
6324 break;
6325 default:
6326 *uwrq = IW_MODE_ADHOC;
6327 }
6328
6329 return 0;
6330 }
6331
6332 static inline int valid_index(struct airo_info *ai, int index)
6333 {
6334 return (index >= 0) && (index <= ai->max_wep_idx);
6335 }
6336
6337 /*------------------------------------------------------------------*/
6338 /*
6339 * Wireless Handler : set Encryption Key
6340 */
6341 static int airo_set_encode(struct net_device *dev,
6342 struct iw_request_info *info,
6343 struct iw_point *dwrq,
6344 char *extra)
6345 {
6346 struct airo_info *local = dev->ml_priv;
6347 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6348 __le16 currentAuthType = local->config.authType;
6349 int rc = 0;
6350
6351 if (!local->wep_capable)
6352 return -EOPNOTSUPP;
6353
6354 readConfigRid(local, 1);
6355
6356 /* Basic checking: do we have a key to set ?
6357 * Note : with the new API, it's impossible to get a NULL pointer.
6358 * Therefore, we need to check a key size == 0 instead.
6359 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6360 * when no key is present (only change flags), but older versions
6361 * don't do it. - Jean II */
6362 if (dwrq->length > 0) {
6363 wep_key_t key;
6364 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6365 int current_index;
6366
6367 /* Check the size of the key */
6368 if (dwrq->length > MAX_KEY_SIZE) {
6369 return -EINVAL;
6370 }
6371
6372 current_index = get_wep_tx_idx(local);
6373 if (current_index < 0)
6374 current_index = 0;
6375
6376 /* Check the index (none -> use current) */
6377 if (!valid_index(local, index))
6378 index = current_index;
6379
6380 /* Set the length */
6381 if (dwrq->length > MIN_KEY_SIZE)
6382 key.len = MAX_KEY_SIZE;
6383 else
6384 key.len = MIN_KEY_SIZE;
6385 /* Check if the key is not marked as invalid */
6386 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6387 /* Cleanup */
6388 memset(key.key, 0, MAX_KEY_SIZE);
6389 /* Copy the key in the driver */
6390 memcpy(key.key, extra, dwrq->length);
6391 /* Send the key to the card */
6392 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6393 if (rc < 0) {
6394 airo_print_err(local->dev->name, "failed to set"
6395 " WEP key at index %d: %d.",
6396 index, rc);
6397 return rc;
6398 }
6399 }
6400 /* WE specify that if a valid key is set, encryption
6401 * should be enabled (user may turn it off later)
6402 * This is also how "iwconfig ethX key on" works */
6403 if((index == current_index) && (key.len > 0) &&
6404 (local->config.authType == AUTH_OPEN)) {
6405 local->config.authType = AUTH_ENCRYPT;
6406 }
6407 } else {
6408 /* Do we want to just set the transmit key index ? */
6409 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6410 if (valid_index(local, index)) {
6411 rc = set_wep_tx_idx(local, index, perm, 1);
6412 if (rc < 0) {
6413 airo_print_err(local->dev->name, "failed to set"
6414 " WEP transmit index to %d: %d.",
6415 index, rc);
6416 return rc;
6417 }
6418 } else {
6419 /* Don't complain if only change the mode */
6420 if (!(dwrq->flags & IW_ENCODE_MODE))
6421 return -EINVAL;
6422 }
6423 }
6424 /* Read the flags */
6425 if(dwrq->flags & IW_ENCODE_DISABLED)
6426 local->config.authType = AUTH_OPEN; // disable encryption
6427 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6428 local->config.authType = AUTH_SHAREDKEY; // Only Both
6429 if(dwrq->flags & IW_ENCODE_OPEN)
6430 local->config.authType = AUTH_ENCRYPT; // Only Wep
6431 /* Commit the changes to flags if needed */
6432 if (local->config.authType != currentAuthType)
6433 set_bit (FLAG_COMMIT, &local->flags);
6434 return -EINPROGRESS; /* Call commit handler */
6435 }
6436
6437 /*------------------------------------------------------------------*/
6438 /*
6439 * Wireless Handler : get Encryption Key
6440 */
6441 static int airo_get_encode(struct net_device *dev,
6442 struct iw_request_info *info,
6443 struct iw_point *dwrq,
6444 char *extra)
6445 {
6446 struct airo_info *local = dev->ml_priv;
6447 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6448 int wep_key_len;
6449 u8 buf[16];
6450
6451 if (!local->wep_capable)
6452 return -EOPNOTSUPP;
6453
6454 readConfigRid(local, 1);
6455
6456 /* Check encryption mode */
6457 switch(local->config.authType) {
6458 case AUTH_ENCRYPT:
6459 dwrq->flags = IW_ENCODE_OPEN;
6460 break;
6461 case AUTH_SHAREDKEY:
6462 dwrq->flags = IW_ENCODE_RESTRICTED;
6463 break;
6464 default:
6465 case AUTH_OPEN:
6466 dwrq->flags = IW_ENCODE_DISABLED;
6467 break;
6468 }
6469 /* We can't return the key, so set the proper flag and return zero */
6470 dwrq->flags |= IW_ENCODE_NOKEY;
6471 memset(extra, 0, 16);
6472
6473 /* Which key do we want ? -1 -> tx index */
6474 if (!valid_index(local, index)) {
6475 index = get_wep_tx_idx(local);
6476 if (index < 0)
6477 index = 0;
6478 }
6479 dwrq->flags |= index + 1;
6480
6481 /* Copy the key to the user buffer */
6482 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6483 if (wep_key_len < 0) {
6484 dwrq->length = 0;
6485 } else {
6486 dwrq->length = wep_key_len;
6487 memcpy(extra, buf, dwrq->length);
6488 }
6489
6490 return 0;
6491 }
6492
6493 /*------------------------------------------------------------------*/
6494 /*
6495 * Wireless Handler : set extended Encryption parameters
6496 */
6497 static int airo_set_encodeext(struct net_device *dev,
6498 struct iw_request_info *info,
6499 union iwreq_data *wrqu,
6500 char *extra)
6501 {
6502 struct airo_info *local = dev->ml_priv;
6503 struct iw_point *encoding = &wrqu->encoding;
6504 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6505 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6506 __le16 currentAuthType = local->config.authType;
6507 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6508 wep_key_t key;
6509
6510 if (!local->wep_capable)
6511 return -EOPNOTSUPP;
6512
6513 readConfigRid(local, 1);
6514
6515 /* Determine and validate the key index */
6516 idx = encoding->flags & IW_ENCODE_INDEX;
6517 if (idx) {
6518 if (!valid_index(local, idx - 1))
6519 return -EINVAL;
6520 idx--;
6521 } else {
6522 idx = get_wep_tx_idx(local);
6523 if (idx < 0)
6524 idx = 0;
6525 }
6526
6527 if (encoding->flags & IW_ENCODE_DISABLED)
6528 alg = IW_ENCODE_ALG_NONE;
6529
6530 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6531 /* Only set transmit key index here, actual
6532 * key is set below if needed.
6533 */
6534 rc = set_wep_tx_idx(local, idx, perm, 1);
6535 if (rc < 0) {
6536 airo_print_err(local->dev->name, "failed to set "
6537 "WEP transmit index to %d: %d.",
6538 idx, rc);
6539 return rc;
6540 }
6541 set_key = ext->key_len > 0 ? 1 : 0;
6542 }
6543
6544 if (set_key) {
6545 /* Set the requested key first */
6546 memset(key.key, 0, MAX_KEY_SIZE);
6547 switch (alg) {
6548 case IW_ENCODE_ALG_NONE:
6549 key.len = 0;
6550 break;
6551 case IW_ENCODE_ALG_WEP:
6552 if (ext->key_len > MIN_KEY_SIZE) {
6553 key.len = MAX_KEY_SIZE;
6554 } else if (ext->key_len > 0) {
6555 key.len = MIN_KEY_SIZE;
6556 } else {
6557 return -EINVAL;
6558 }
6559 key_len = min (ext->key_len, key.len);
6560 memcpy(key.key, ext->key, key_len);
6561 break;
6562 default:
6563 return -EINVAL;
6564 }
6565 if (key.len == 0) {
6566 rc = set_wep_tx_idx(local, idx, perm, 1);
6567 if (rc < 0) {
6568 airo_print_err(local->dev->name,
6569 "failed to set WEP transmit index to %d: %d.",
6570 idx, rc);
6571 return rc;
6572 }
6573 } else {
6574 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6575 if (rc < 0) {
6576 airo_print_err(local->dev->name,
6577 "failed to set WEP key at index %d: %d.",
6578 idx, rc);
6579 return rc;
6580 }
6581 }
6582 }
6583
6584 /* Read the flags */
6585 if(encoding->flags & IW_ENCODE_DISABLED)
6586 local->config.authType = AUTH_OPEN; // disable encryption
6587 if(encoding->flags & IW_ENCODE_RESTRICTED)
6588 local->config.authType = AUTH_SHAREDKEY; // Only Both
6589 if(encoding->flags & IW_ENCODE_OPEN)
6590 local->config.authType = AUTH_ENCRYPT; // Only Wep
6591 /* Commit the changes to flags if needed */
6592 if (local->config.authType != currentAuthType)
6593 set_bit (FLAG_COMMIT, &local->flags);
6594
6595 return -EINPROGRESS;
6596 }
6597
6598
6599 /*------------------------------------------------------------------*/
6600 /*
6601 * Wireless Handler : get extended Encryption parameters
6602 */
6603 static int airo_get_encodeext(struct net_device *dev,
6604 struct iw_request_info *info,
6605 union iwreq_data *wrqu,
6606 char *extra)
6607 {
6608 struct airo_info *local = dev->ml_priv;
6609 struct iw_point *encoding = &wrqu->encoding;
6610 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6611 int idx, max_key_len, wep_key_len;
6612 u8 buf[16];
6613
6614 if (!local->wep_capable)
6615 return -EOPNOTSUPP;
6616
6617 readConfigRid(local, 1);
6618
6619 max_key_len = encoding->length - sizeof(*ext);
6620 if (max_key_len < 0)
6621 return -EINVAL;
6622
6623 idx = encoding->flags & IW_ENCODE_INDEX;
6624 if (idx) {
6625 if (!valid_index(local, idx - 1))
6626 return -EINVAL;
6627 idx--;
6628 } else {
6629 idx = get_wep_tx_idx(local);
6630 if (idx < 0)
6631 idx = 0;
6632 }
6633
6634 encoding->flags = idx + 1;
6635 memset(ext, 0, sizeof(*ext));
6636
6637 /* Check encryption mode */
6638 switch(local->config.authType) {
6639 case AUTH_ENCRYPT:
6640 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6641 break;
6642 case AUTH_SHAREDKEY:
6643 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6644 break;
6645 default:
6646 case AUTH_OPEN:
6647 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6648 break;
6649 }
6650 /* We can't return the key, so set the proper flag and return zero */
6651 encoding->flags |= IW_ENCODE_NOKEY;
6652 memset(extra, 0, 16);
6653
6654 /* Copy the key to the user buffer */
6655 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6656 if (wep_key_len < 0) {
6657 ext->key_len = 0;
6658 } else {
6659 ext->key_len = wep_key_len;
6660 memcpy(extra, buf, ext->key_len);
6661 }
6662
6663 return 0;
6664 }
6665
6666
6667 /*------------------------------------------------------------------*/
6668 /*
6669 * Wireless Handler : set extended authentication parameters
6670 */
6671 static int airo_set_auth(struct net_device *dev,
6672 struct iw_request_info *info,
6673 union iwreq_data *wrqu, char *extra)
6674 {
6675 struct airo_info *local = dev->ml_priv;
6676 struct iw_param *param = &wrqu->param;
6677 __le16 currentAuthType = local->config.authType;
6678
6679 switch (param->flags & IW_AUTH_INDEX) {
6680 case IW_AUTH_WPA_VERSION:
6681 case IW_AUTH_CIPHER_PAIRWISE:
6682 case IW_AUTH_CIPHER_GROUP:
6683 case IW_AUTH_KEY_MGMT:
6684 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6685 case IW_AUTH_PRIVACY_INVOKED:
6686 /*
6687 * airo does not use these parameters
6688 */
6689 break;
6690
6691 case IW_AUTH_DROP_UNENCRYPTED:
6692 if (param->value) {
6693 /* Only change auth type if unencrypted */
6694 if (currentAuthType == AUTH_OPEN)
6695 local->config.authType = AUTH_ENCRYPT;
6696 } else {
6697 local->config.authType = AUTH_OPEN;
6698 }
6699
6700 /* Commit the changes to flags if needed */
6701 if (local->config.authType != currentAuthType)
6702 set_bit (FLAG_COMMIT, &local->flags);
6703 break;
6704
6705 case IW_AUTH_80211_AUTH_ALG: {
6706 /* FIXME: What about AUTH_OPEN? This API seems to
6707 * disallow setting our auth to AUTH_OPEN.
6708 */
6709 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6710 local->config.authType = AUTH_SHAREDKEY;
6711 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6712 local->config.authType = AUTH_ENCRYPT;
6713 } else
6714 return -EINVAL;
6715
6716 /* Commit the changes to flags if needed */
6717 if (local->config.authType != currentAuthType)
6718 set_bit (FLAG_COMMIT, &local->flags);
6719 break;
6720 }
6721
6722 case IW_AUTH_WPA_ENABLED:
6723 /* Silently accept disable of WPA */
6724 if (param->value > 0)
6725 return -EOPNOTSUPP;
6726 break;
6727
6728 default:
6729 return -EOPNOTSUPP;
6730 }
6731 return -EINPROGRESS;
6732 }
6733
6734
6735 /*------------------------------------------------------------------*/
6736 /*
6737 * Wireless Handler : get extended authentication parameters
6738 */
6739 static int airo_get_auth(struct net_device *dev,
6740 struct iw_request_info *info,
6741 union iwreq_data *wrqu, char *extra)
6742 {
6743 struct airo_info *local = dev->ml_priv;
6744 struct iw_param *param = &wrqu->param;
6745 __le16 currentAuthType = local->config.authType;
6746
6747 switch (param->flags & IW_AUTH_INDEX) {
6748 case IW_AUTH_DROP_UNENCRYPTED:
6749 switch (currentAuthType) {
6750 case AUTH_SHAREDKEY:
6751 case AUTH_ENCRYPT:
6752 param->value = 1;
6753 break;
6754 default:
6755 param->value = 0;
6756 break;
6757 }
6758 break;
6759
6760 case IW_AUTH_80211_AUTH_ALG:
6761 switch (currentAuthType) {
6762 case AUTH_SHAREDKEY:
6763 param->value = IW_AUTH_ALG_SHARED_KEY;
6764 break;
6765 case AUTH_ENCRYPT:
6766 default:
6767 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6768 break;
6769 }
6770 break;
6771
6772 case IW_AUTH_WPA_ENABLED:
6773 param->value = 0;
6774 break;
6775
6776 default:
6777 return -EOPNOTSUPP;
6778 }
6779 return 0;
6780 }
6781
6782
6783 /*------------------------------------------------------------------*/
6784 /*
6785 * Wireless Handler : set Tx-Power
6786 */
6787 static int airo_set_txpow(struct net_device *dev,
6788 struct iw_request_info *info,
6789 struct iw_param *vwrq,
6790 char *extra)
6791 {
6792 struct airo_info *local = dev->ml_priv;
6793 CapabilityRid cap_rid; /* Card capability info */
6794 int i;
6795 int rc = -EINVAL;
6796 __le16 v = cpu_to_le16(vwrq->value);
6797
6798 readCapabilityRid(local, &cap_rid, 1);
6799
6800 if (vwrq->disabled) {
6801 set_bit (FLAG_RADIO_OFF, &local->flags);
6802 set_bit (FLAG_COMMIT, &local->flags);
6803 return -EINPROGRESS; /* Call commit handler */
6804 }
6805 if (vwrq->flags != IW_TXPOW_MWATT) {
6806 return -EINVAL;
6807 }
6808 clear_bit (FLAG_RADIO_OFF, &local->flags);
6809 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6810 if (v == cap_rid.txPowerLevels[i]) {
6811 readConfigRid(local, 1);
6812 local->config.txPower = v;
6813 set_bit (FLAG_COMMIT, &local->flags);
6814 rc = -EINPROGRESS; /* Call commit handler */
6815 break;
6816 }
6817 return rc;
6818 }
6819
6820 /*------------------------------------------------------------------*/
6821 /*
6822 * Wireless Handler : get Tx-Power
6823 */
6824 static int airo_get_txpow(struct net_device *dev,
6825 struct iw_request_info *info,
6826 struct iw_param *vwrq,
6827 char *extra)
6828 {
6829 struct airo_info *local = dev->ml_priv;
6830
6831 readConfigRid(local, 1);
6832 vwrq->value = le16_to_cpu(local->config.txPower);
6833 vwrq->fixed = 1; /* No power control */
6834 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6835 vwrq->flags = IW_TXPOW_MWATT;
6836
6837 return 0;
6838 }
6839
6840 /*------------------------------------------------------------------*/
6841 /*
6842 * Wireless Handler : set Retry limits
6843 */
6844 static int airo_set_retry(struct net_device *dev,
6845 struct iw_request_info *info,
6846 struct iw_param *vwrq,
6847 char *extra)
6848 {
6849 struct airo_info *local = dev->ml_priv;
6850 int rc = -EINVAL;
6851
6852 if(vwrq->disabled) {
6853 return -EINVAL;
6854 }
6855 readConfigRid(local, 1);
6856 if(vwrq->flags & IW_RETRY_LIMIT) {
6857 __le16 v = cpu_to_le16(vwrq->value);
6858 if(vwrq->flags & IW_RETRY_LONG)
6859 local->config.longRetryLimit = v;
6860 else if (vwrq->flags & IW_RETRY_SHORT)
6861 local->config.shortRetryLimit = v;
6862 else {
6863 /* No modifier : set both */
6864 local->config.longRetryLimit = v;
6865 local->config.shortRetryLimit = v;
6866 }
6867 set_bit (FLAG_COMMIT, &local->flags);
6868 rc = -EINPROGRESS; /* Call commit handler */
6869 }
6870 if(vwrq->flags & IW_RETRY_LIFETIME) {
6871 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6872 set_bit (FLAG_COMMIT, &local->flags);
6873 rc = -EINPROGRESS; /* Call commit handler */
6874 }
6875 return rc;
6876 }
6877
6878 /*------------------------------------------------------------------*/
6879 /*
6880 * Wireless Handler : get Retry limits
6881 */
6882 static int airo_get_retry(struct net_device *dev,
6883 struct iw_request_info *info,
6884 struct iw_param *vwrq,
6885 char *extra)
6886 {
6887 struct airo_info *local = dev->ml_priv;
6888
6889 vwrq->disabled = 0; /* Can't be disabled */
6890
6891 readConfigRid(local, 1);
6892 /* Note : by default, display the min retry number */
6893 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6894 vwrq->flags = IW_RETRY_LIFETIME;
6895 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6896 } else if((vwrq->flags & IW_RETRY_LONG)) {
6897 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6898 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6899 } else {
6900 vwrq->flags = IW_RETRY_LIMIT;
6901 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6902 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6903 vwrq->flags |= IW_RETRY_SHORT;
6904 }
6905
6906 return 0;
6907 }
6908
6909 /*------------------------------------------------------------------*/
6910 /*
6911 * Wireless Handler : get range info
6912 */
6913 static int airo_get_range(struct net_device *dev,
6914 struct iw_request_info *info,
6915 struct iw_point *dwrq,
6916 char *extra)
6917 {
6918 struct airo_info *local = dev->ml_priv;
6919 struct iw_range *range = (struct iw_range *) extra;
6920 CapabilityRid cap_rid; /* Card capability info */
6921 int i;
6922 int k;
6923
6924 readCapabilityRid(local, &cap_rid, 1);
6925
6926 dwrq->length = sizeof(struct iw_range);
6927 memset(range, 0, sizeof(*range));
6928 range->min_nwid = 0x0000;
6929 range->max_nwid = 0x0000;
6930 range->num_channels = 14;
6931 /* Should be based on cap_rid.country to give only
6932 * what the current card support */
6933 k = 0;
6934 for(i = 0; i < 14; i++) {
6935 range->freq[k].i = i + 1; /* List index */
6936 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6937 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6938 }
6939 range->num_frequency = k;
6940
6941 range->sensitivity = 65535;
6942
6943 /* Hum... Should put the right values there */
6944 if (local->rssi)
6945 range->max_qual.qual = 100; /* % */
6946 else
6947 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6948 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6949 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6950
6951 /* Experimental measurements - boundary 11/5.5 Mb/s */
6952 /* Note : with or without the (local->rssi), results
6953 * are somewhat different. - Jean II */
6954 if (local->rssi) {
6955 range->avg_qual.qual = 50; /* % */
6956 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6957 } else {
6958 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6959 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6960 }
6961 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6962
6963 for(i = 0 ; i < 8 ; i++) {
6964 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6965 if(range->bitrate[i] == 0)
6966 break;
6967 }
6968 range->num_bitrates = i;
6969
6970 /* Set an indication of the max TCP throughput
6971 * in bit/s that we can expect using this interface.
6972 * May be use for QoS stuff... Jean II */
6973 if(i > 2)
6974 range->throughput = 5000 * 1000;
6975 else
6976 range->throughput = 1500 * 1000;
6977
6978 range->min_rts = 0;
6979 range->max_rts = AIRO_DEF_MTU;
6980 range->min_frag = 256;
6981 range->max_frag = AIRO_DEF_MTU;
6982
6983 if(cap_rid.softCap & cpu_to_le16(2)) {
6984 // WEP: RC4 40 bits
6985 range->encoding_size[0] = 5;
6986 // RC4 ~128 bits
6987 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6988 range->encoding_size[1] = 13;
6989 range->num_encoding_sizes = 2;
6990 } else
6991 range->num_encoding_sizes = 1;
6992 range->max_encoding_tokens =
6993 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6994 } else {
6995 range->num_encoding_sizes = 0;
6996 range->max_encoding_tokens = 0;
6997 }
6998 range->min_pmp = 0;
6999 range->max_pmp = 5000000; /* 5 secs */
7000 range->min_pmt = 0;
7001 range->max_pmt = 65535 * 1024; /* ??? */
7002 range->pmp_flags = IW_POWER_PERIOD;
7003 range->pmt_flags = IW_POWER_TIMEOUT;
7004 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7005
7006 /* Transmit Power - values are in mW */
7007 for(i = 0 ; i < 8 ; i++) {
7008 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7009 if(range->txpower[i] == 0)
7010 break;
7011 }
7012 range->num_txpower = i;
7013 range->txpower_capa = IW_TXPOW_MWATT;
7014 range->we_version_source = 19;
7015 range->we_version_compiled = WIRELESS_EXT;
7016 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7017 range->retry_flags = IW_RETRY_LIMIT;
7018 range->r_time_flags = IW_RETRY_LIFETIME;
7019 range->min_retry = 1;
7020 range->max_retry = 65535;
7021 range->min_r_time = 1024;
7022 range->max_r_time = 65535 * 1024;
7023
7024 /* Event capability (kernel + driver) */
7025 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7026 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7027 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7028 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7029 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7030 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7031 return 0;
7032 }
7033
7034 /*------------------------------------------------------------------*/
7035 /*
7036 * Wireless Handler : set Power Management
7037 */
7038 static int airo_set_power(struct net_device *dev,
7039 struct iw_request_info *info,
7040 struct iw_param *vwrq,
7041 char *extra)
7042 {
7043 struct airo_info *local = dev->ml_priv;
7044
7045 readConfigRid(local, 1);
7046 if (vwrq->disabled) {
7047 if (sniffing_mode(local))
7048 return -EINVAL;
7049 local->config.powerSaveMode = POWERSAVE_CAM;
7050 local->config.rmode &= ~RXMODE_MASK;
7051 local->config.rmode |= RXMODE_BC_MC_ADDR;
7052 set_bit (FLAG_COMMIT, &local->flags);
7053 return -EINPROGRESS; /* Call commit handler */
7054 }
7055 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7056 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7057 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7058 set_bit (FLAG_COMMIT, &local->flags);
7059 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7060 local->config.fastListenInterval =
7061 local->config.listenInterval =
7062 cpu_to_le16((vwrq->value + 500) / 1024);
7063 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7064 set_bit (FLAG_COMMIT, &local->flags);
7065 }
7066 switch (vwrq->flags & IW_POWER_MODE) {
7067 case IW_POWER_UNICAST_R:
7068 if (sniffing_mode(local))
7069 return -EINVAL;
7070 local->config.rmode &= ~RXMODE_MASK;
7071 local->config.rmode |= RXMODE_ADDR;
7072 set_bit (FLAG_COMMIT, &local->flags);
7073 break;
7074 case IW_POWER_ALL_R:
7075 if (sniffing_mode(local))
7076 return -EINVAL;
7077 local->config.rmode &= ~RXMODE_MASK;
7078 local->config.rmode |= RXMODE_BC_MC_ADDR;
7079 set_bit (FLAG_COMMIT, &local->flags);
7080 case IW_POWER_ON:
7081 /* This is broken, fixme ;-) */
7082 break;
7083 default:
7084 return -EINVAL;
7085 }
7086 // Note : we may want to factor local->need_commit here
7087 // Note2 : may also want to factor RXMODE_RFMON test
7088 return -EINPROGRESS; /* Call commit handler */
7089 }
7090
7091 /*------------------------------------------------------------------*/
7092 /*
7093 * Wireless Handler : get Power Management
7094 */
7095 static int airo_get_power(struct net_device *dev,
7096 struct iw_request_info *info,
7097 struct iw_param *vwrq,
7098 char *extra)
7099 {
7100 struct airo_info *local = dev->ml_priv;
7101 __le16 mode;
7102
7103 readConfigRid(local, 1);
7104 mode = local->config.powerSaveMode;
7105 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7106 return 0;
7107 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7108 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7109 vwrq->flags = IW_POWER_TIMEOUT;
7110 } else {
7111 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7112 vwrq->flags = IW_POWER_PERIOD;
7113 }
7114 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7115 vwrq->flags |= IW_POWER_UNICAST_R;
7116 else
7117 vwrq->flags |= IW_POWER_ALL_R;
7118
7119 return 0;
7120 }
7121
7122 /*------------------------------------------------------------------*/
7123 /*
7124 * Wireless Handler : set Sensitivity
7125 */
7126 static int airo_set_sens(struct net_device *dev,
7127 struct iw_request_info *info,
7128 struct iw_param *vwrq,
7129 char *extra)
7130 {
7131 struct airo_info *local = dev->ml_priv;
7132
7133 readConfigRid(local, 1);
7134 local->config.rssiThreshold =
7135 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7136 set_bit (FLAG_COMMIT, &local->flags);
7137
7138 return -EINPROGRESS; /* Call commit handler */
7139 }
7140
7141 /*------------------------------------------------------------------*/
7142 /*
7143 * Wireless Handler : get Sensitivity
7144 */
7145 static int airo_get_sens(struct net_device *dev,
7146 struct iw_request_info *info,
7147 struct iw_param *vwrq,
7148 char *extra)
7149 {
7150 struct airo_info *local = dev->ml_priv;
7151
7152 readConfigRid(local, 1);
7153 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7154 vwrq->disabled = (vwrq->value == 0);
7155 vwrq->fixed = 1;
7156
7157 return 0;
7158 }
7159
7160 /*------------------------------------------------------------------*/
7161 /*
7162 * Wireless Handler : get AP List
7163 * Note : this is deprecated in favor of IWSCAN
7164 */
7165 static int airo_get_aplist(struct net_device *dev,
7166 struct iw_request_info *info,
7167 struct iw_point *dwrq,
7168 char *extra)
7169 {
7170 struct airo_info *local = dev->ml_priv;
7171 struct sockaddr *address = (struct sockaddr *) extra;
7172 struct iw_quality *qual;
7173 BSSListRid BSSList;
7174 int i;
7175 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7176
7177 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7178 if (!qual)
7179 return -ENOMEM;
7180
7181 for (i = 0; i < IW_MAX_AP; i++) {
7182 u16 dBm;
7183 if (readBSSListRid(local, loseSync, &BSSList))
7184 break;
7185 loseSync = 0;
7186 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7187 address[i].sa_family = ARPHRD_ETHER;
7188 dBm = le16_to_cpu(BSSList.dBm);
7189 if (local->rssi) {
7190 qual[i].level = 0x100 - dBm;
7191 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7192 qual[i].updated = IW_QUAL_QUAL_UPDATED
7193 | IW_QUAL_LEVEL_UPDATED
7194 | IW_QUAL_DBM;
7195 } else {
7196 qual[i].level = (dBm + 321) / 2;
7197 qual[i].qual = 0;
7198 qual[i].updated = IW_QUAL_QUAL_INVALID
7199 | IW_QUAL_LEVEL_UPDATED
7200 | IW_QUAL_DBM;
7201 }
7202 qual[i].noise = local->wstats.qual.noise;
7203 if (BSSList.index == cpu_to_le16(0xffff))
7204 break;
7205 }
7206 if (!i) {
7207 StatusRid status_rid; /* Card status info */
7208 readStatusRid(local, &status_rid, 1);
7209 for (i = 0;
7210 i < min(IW_MAX_AP, 4) &&
7211 (status_rid.bssid[i][0]
7212 & status_rid.bssid[i][1]
7213 & status_rid.bssid[i][2]
7214 & status_rid.bssid[i][3]
7215 & status_rid.bssid[i][4]
7216 & status_rid.bssid[i][5])!=0xff &&
7217 (status_rid.bssid[i][0]
7218 | status_rid.bssid[i][1]
7219 | status_rid.bssid[i][2]
7220 | status_rid.bssid[i][3]
7221 | status_rid.bssid[i][4]
7222 | status_rid.bssid[i][5]);
7223 i++) {
7224 memcpy(address[i].sa_data,
7225 status_rid.bssid[i], ETH_ALEN);
7226 address[i].sa_family = ARPHRD_ETHER;
7227 }
7228 } else {
7229 dwrq->flags = 1; /* Should be define'd */
7230 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7231 sizeof(struct iw_quality) * i);
7232 }
7233 dwrq->length = i;
7234
7235 kfree(qual);
7236 return 0;
7237 }
7238
7239 /*------------------------------------------------------------------*/
7240 /*
7241 * Wireless Handler : Initiate Scan
7242 */
7243 static int airo_set_scan(struct net_device *dev,
7244 struct iw_request_info *info,
7245 struct iw_point *dwrq,
7246 char *extra)
7247 {
7248 struct airo_info *ai = dev->ml_priv;
7249 Cmd cmd;
7250 Resp rsp;
7251 int wake = 0;
7252
7253 /* Note : you may have realised that, as this is a SET operation,
7254 * this is privileged and therefore a normal user can't
7255 * perform scanning.
7256 * This is not an error, while the device perform scanning,
7257 * traffic doesn't flow, so it's a perfect DoS...
7258 * Jean II */
7259 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7260
7261 if (down_interruptible(&ai->sem))
7262 return -ERESTARTSYS;
7263
7264 /* If there's already a scan in progress, don't
7265 * trigger another one. */
7266 if (ai->scan_timeout > 0)
7267 goto out;
7268
7269 /* Initiate a scan command */
7270 ai->scan_timeout = RUN_AT(3*HZ);
7271 memset(&cmd, 0, sizeof(cmd));
7272 cmd.cmd=CMD_LISTBSS;
7273 issuecommand(ai, &cmd, &rsp);
7274 wake = 1;
7275
7276 out:
7277 up(&ai->sem);
7278 if (wake)
7279 wake_up_interruptible(&ai->thr_wait);
7280 return 0;
7281 }
7282
7283 /*------------------------------------------------------------------*/
7284 /*
7285 * Translate scan data returned from the card to a card independent
7286 * format that the Wireless Tools will understand - Jean II
7287 */
7288 static inline char *airo_translate_scan(struct net_device *dev,
7289 struct iw_request_info *info,
7290 char *current_ev,
7291 char *end_buf,
7292 BSSListRid *bss)
7293 {
7294 struct airo_info *ai = dev->ml_priv;
7295 struct iw_event iwe; /* Temporary buffer */
7296 __le16 capabilities;
7297 char * current_val; /* For rates */
7298 int i;
7299 char * buf;
7300 u16 dBm;
7301
7302 /* First entry *MUST* be the AP MAC address */
7303 iwe.cmd = SIOCGIWAP;
7304 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7305 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7306 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7307 &iwe, IW_EV_ADDR_LEN);
7308
7309 /* Other entries will be displayed in the order we give them */
7310
7311 /* Add the ESSID */
7312 iwe.u.data.length = bss->ssidLen;
7313 if(iwe.u.data.length > 32)
7314 iwe.u.data.length = 32;
7315 iwe.cmd = SIOCGIWESSID;
7316 iwe.u.data.flags = 1;
7317 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7318 &iwe, bss->ssid);
7319
7320 /* Add mode */
7321 iwe.cmd = SIOCGIWMODE;
7322 capabilities = bss->cap;
7323 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7324 if(capabilities & CAP_ESS)
7325 iwe.u.mode = IW_MODE_MASTER;
7326 else
7327 iwe.u.mode = IW_MODE_ADHOC;
7328 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7329 &iwe, IW_EV_UINT_LEN);
7330 }
7331
7332 /* Add frequency */
7333 iwe.cmd = SIOCGIWFREQ;
7334 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7335 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7336 iwe.u.freq.e = 1;
7337 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7338 &iwe, IW_EV_FREQ_LEN);
7339
7340 dBm = le16_to_cpu(bss->dBm);
7341
7342 /* Add quality statistics */
7343 iwe.cmd = IWEVQUAL;
7344 if (ai->rssi) {
7345 iwe.u.qual.level = 0x100 - dBm;
7346 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7347 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7348 | IW_QUAL_LEVEL_UPDATED
7349 | IW_QUAL_DBM;
7350 } else {
7351 iwe.u.qual.level = (dBm + 321) / 2;
7352 iwe.u.qual.qual = 0;
7353 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7354 | IW_QUAL_LEVEL_UPDATED
7355 | IW_QUAL_DBM;
7356 }
7357 iwe.u.qual.noise = ai->wstats.qual.noise;
7358 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7359 &iwe, IW_EV_QUAL_LEN);
7360
7361 /* Add encryption capability */
7362 iwe.cmd = SIOCGIWENCODE;
7363 if(capabilities & CAP_PRIVACY)
7364 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7365 else
7366 iwe.u.data.flags = IW_ENCODE_DISABLED;
7367 iwe.u.data.length = 0;
7368 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7369 &iwe, bss->ssid);
7370
7371 /* Rate : stuffing multiple values in a single event require a bit
7372 * more of magic - Jean II */
7373 current_val = current_ev + iwe_stream_lcp_len(info);
7374
7375 iwe.cmd = SIOCGIWRATE;
7376 /* Those two flags are ignored... */
7377 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7378 /* Max 8 values */
7379 for(i = 0 ; i < 8 ; i++) {
7380 /* NULL terminated */
7381 if(bss->rates[i] == 0)
7382 break;
7383 /* Bit rate given in 500 kb/s units (+ 0x80) */
7384 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7385 /* Add new value to event */
7386 current_val = iwe_stream_add_value(info, current_ev,
7387 current_val, end_buf,
7388 &iwe, IW_EV_PARAM_LEN);
7389 }
7390 /* Check if we added any event */
7391 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7392 current_ev = current_val;
7393
7394 /* Beacon interval */
7395 buf = kmalloc(30, GFP_KERNEL);
7396 if (buf) {
7397 iwe.cmd = IWEVCUSTOM;
7398 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7399 iwe.u.data.length = strlen(buf);
7400 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7401 &iwe, buf);
7402 kfree(buf);
7403 }
7404
7405 /* Put WPA/RSN Information Elements into the event stream */
7406 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7407 unsigned int num_null_ies = 0;
7408 u16 length = sizeof (bss->extra.iep);
7409 u8 *ie = (void *)&bss->extra.iep;
7410
7411 while ((length >= 2) && (num_null_ies < 2)) {
7412 if (2 + ie[1] > length) {
7413 /* Invalid element, don't continue parsing IE */
7414 break;
7415 }
7416
7417 switch (ie[0]) {
7418 case WLAN_EID_SSID:
7419 /* Two zero-length SSID elements
7420 * mean we're done parsing elements */
7421 if (!ie[1])
7422 num_null_ies++;
7423 break;
7424
7425 case WLAN_EID_VENDOR_SPECIFIC:
7426 if (ie[1] >= 4 &&
7427 ie[2] == 0x00 &&
7428 ie[3] == 0x50 &&
7429 ie[4] == 0xf2 &&
7430 ie[5] == 0x01) {
7431 iwe.cmd = IWEVGENIE;
7432 /* 64 is an arbitrary cut-off */
7433 iwe.u.data.length = min(ie[1] + 2,
7434 64);
7435 current_ev = iwe_stream_add_point(
7436 info, current_ev,
7437 end_buf, &iwe, ie);
7438 }
7439 break;
7440
7441 case WLAN_EID_RSN:
7442 iwe.cmd = IWEVGENIE;
7443 /* 64 is an arbitrary cut-off */
7444 iwe.u.data.length = min(ie[1] + 2, 64);
7445 current_ev = iwe_stream_add_point(
7446 info, current_ev, end_buf,
7447 &iwe, ie);
7448 break;
7449
7450 default:
7451 break;
7452 }
7453
7454 length -= 2 + ie[1];
7455 ie += 2 + ie[1];
7456 }
7457 }
7458 return current_ev;
7459 }
7460
7461 /*------------------------------------------------------------------*/
7462 /*
7463 * Wireless Handler : Read Scan Results
7464 */
7465 static int airo_get_scan(struct net_device *dev,
7466 struct iw_request_info *info,
7467 struct iw_point *dwrq,
7468 char *extra)
7469 {
7470 struct airo_info *ai = dev->ml_priv;
7471 BSSListElement *net;
7472 int err = 0;
7473 char *current_ev = extra;
7474
7475 /* If a scan is in-progress, return -EAGAIN */
7476 if (ai->scan_timeout > 0)
7477 return -EAGAIN;
7478
7479 if (down_interruptible(&ai->sem))
7480 return -EAGAIN;
7481
7482 list_for_each_entry (net, &ai->network_list, list) {
7483 /* Translate to WE format this entry */
7484 current_ev = airo_translate_scan(dev, info, current_ev,
7485 extra + dwrq->length,
7486 &net->bss);
7487
7488 /* Check if there is space for one more entry */
7489 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7490 /* Ask user space to try again with a bigger buffer */
7491 err = -E2BIG;
7492 goto out;
7493 }
7494 }
7495
7496 /* Length of data */
7497 dwrq->length = (current_ev - extra);
7498 dwrq->flags = 0; /* todo */
7499
7500 out:
7501 up(&ai->sem);
7502 return err;
7503 }
7504
7505 /*------------------------------------------------------------------*/
7506 /*
7507 * Commit handler : called after a bunch of SET operations
7508 */
7509 static int airo_config_commit(struct net_device *dev,
7510 struct iw_request_info *info, /* NULL */
7511 void *zwrq, /* NULL */
7512 char *extra) /* NULL */
7513 {
7514 struct airo_info *local = dev->ml_priv;
7515
7516 if (!test_bit (FLAG_COMMIT, &local->flags))
7517 return 0;
7518
7519 /* Some of the "SET" function may have modified some of the
7520 * parameters. It's now time to commit them in the card */
7521 disable_MAC(local, 1);
7522 if (test_bit (FLAG_RESET, &local->flags)) {
7523 APListRid APList_rid;
7524 SsidRid SSID_rid;
7525
7526 readAPListRid(local, &APList_rid);
7527 readSsidRid(local, &SSID_rid);
7528 if (test_bit(FLAG_MPI,&local->flags))
7529 setup_card(local, dev->dev_addr, 1 );
7530 else
7531 reset_airo_card(dev);
7532 disable_MAC(local, 1);
7533 writeSsidRid(local, &SSID_rid, 1);
7534 writeAPListRid(local, &APList_rid, 1);
7535 }
7536 if (down_interruptible(&local->sem))
7537 return -ERESTARTSYS;
7538 writeConfigRid(local, 0);
7539 enable_MAC(local, 0);
7540 if (test_bit (FLAG_RESET, &local->flags))
7541 airo_set_promisc(local);
7542 else
7543 up(&local->sem);
7544
7545 return 0;
7546 }
7547
7548 /*------------------------------------------------------------------*/
7549 /*
7550 * Structures to export the Wireless Handlers
7551 */
7552
7553 static const struct iw_priv_args airo_private_args[] = {
7554 /*{ cmd, set_args, get_args, name } */
7555 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7556 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7557 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7558 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7559 };
7560
7561 static const iw_handler airo_handler[] =
7562 {
7563 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7564 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7565 (iw_handler) NULL, /* SIOCSIWNWID */
7566 (iw_handler) NULL, /* SIOCGIWNWID */
7567 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7568 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7569 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7570 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7571 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7572 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7573 (iw_handler) NULL, /* SIOCSIWRANGE */
7574 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7575 (iw_handler) NULL, /* SIOCSIWPRIV */
7576 (iw_handler) NULL, /* SIOCGIWPRIV */
7577 (iw_handler) NULL, /* SIOCSIWSTATS */
7578 (iw_handler) NULL, /* SIOCGIWSTATS */
7579 iw_handler_set_spy, /* SIOCSIWSPY */
7580 iw_handler_get_spy, /* SIOCGIWSPY */
7581 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7582 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7583 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7584 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7585 (iw_handler) NULL, /* -- hole -- */
7586 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7587 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7588 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7589 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7590 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7591 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7592 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7593 (iw_handler) NULL, /* -- hole -- */
7594 (iw_handler) NULL, /* -- hole -- */
7595 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7596 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7597 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7598 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7599 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7600 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7601 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7602 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7603 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7604 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7605 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7606 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7607 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7608 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7609 (iw_handler) NULL, /* -- hole -- */
7610 (iw_handler) NULL, /* -- hole -- */
7611 (iw_handler) NULL, /* SIOCSIWGENIE */
7612 (iw_handler) NULL, /* SIOCGIWGENIE */
7613 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7614 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7615 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7616 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7617 (iw_handler) NULL, /* SIOCSIWPMKSA */
7618 };
7619
7620 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7621 * We want to force the use of the ioctl code, because those can't be
7622 * won't work the iw_handler code (because they simultaneously read
7623 * and write data and iw_handler can't do that).
7624 * Note that it's perfectly legal to read/write on a single ioctl command,
7625 * you just can't use iwpriv and need to force it via the ioctl handler.
7626 * Jean II */
7627 static const iw_handler airo_private_handler[] =
7628 {
7629 NULL, /* SIOCIWFIRSTPRIV */
7630 };
7631
7632 static const struct iw_handler_def airo_handler_def =
7633 {
7634 .num_standard = ARRAY_SIZE(airo_handler),
7635 .num_private = ARRAY_SIZE(airo_private_handler),
7636 .num_private_args = ARRAY_SIZE(airo_private_args),
7637 .standard = airo_handler,
7638 .private = airo_private_handler,
7639 .private_args = airo_private_args,
7640 .get_wireless_stats = airo_get_wireless_stats,
7641 };
7642
7643 /*
7644 * This defines the configuration part of the Wireless Extensions
7645 * Note : irq and spinlock protection will occur in the subroutines
7646 *
7647 * TODO :
7648 * o Check input value more carefully and fill correct values in range
7649 * o Test and shakeout the bugs (if any)
7650 *
7651 * Jean II
7652 *
7653 * Javier Achirica did a great job of merging code from the unnamed CISCO
7654 * developer that added support for flashing the card.
7655 */
7656 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7657 {
7658 int rc = 0;
7659 struct airo_info *ai = dev->ml_priv;
7660
7661 if (ai->power.event)
7662 return 0;
7663
7664 switch (cmd) {
7665 #ifdef CISCO_EXT
7666 case AIROIDIFC:
7667 #ifdef AIROOLDIDIFC
7668 case AIROOLDIDIFC:
7669 #endif
7670 {
7671 int val = AIROMAGIC;
7672 aironet_ioctl com;
7673 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7674 rc = -EFAULT;
7675 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7676 rc = -EFAULT;
7677 }
7678 break;
7679
7680 case AIROIOCTL:
7681 #ifdef AIROOLDIOCTL
7682 case AIROOLDIOCTL:
7683 #endif
7684 /* Get the command struct and hand it off for evaluation by
7685 * the proper subfunction
7686 */
7687 {
7688 aironet_ioctl com;
7689 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7690 rc = -EFAULT;
7691 break;
7692 }
7693
7694 /* Separate R/W functions bracket legality here
7695 */
7696 if ( com.command == AIRORSWVERSION ) {
7697 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7698 rc = -EFAULT;
7699 else
7700 rc = 0;
7701 }
7702 else if ( com.command <= AIRORRID)
7703 rc = readrids(dev,&com);
7704 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7705 rc = writerids(dev,&com);
7706 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7707 rc = flashcard(dev,&com);
7708 else
7709 rc = -EINVAL; /* Bad command in ioctl */
7710 }
7711 break;
7712 #endif /* CISCO_EXT */
7713
7714 // All other calls are currently unsupported
7715 default:
7716 rc = -EOPNOTSUPP;
7717 }
7718 return rc;
7719 }
7720
7721 /*
7722 * Get the Wireless stats out of the driver
7723 * Note : irq and spinlock protection will occur in the subroutines
7724 *
7725 * TODO :
7726 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7727 *
7728 * Jean
7729 */
7730 static void airo_read_wireless_stats(struct airo_info *local)
7731 {
7732 StatusRid status_rid;
7733 StatsRid stats_rid;
7734 CapabilityRid cap_rid;
7735 __le32 *vals = stats_rid.vals;
7736
7737 /* Get stats out of the card */
7738 clear_bit(JOB_WSTATS, &local->jobs);
7739 if (local->power.event) {
7740 up(&local->sem);
7741 return;
7742 }
7743 readCapabilityRid(local, &cap_rid, 0);
7744 readStatusRid(local, &status_rid, 0);
7745 readStatsRid(local, &stats_rid, RID_STATS, 0);
7746 up(&local->sem);
7747
7748 /* The status */
7749 local->wstats.status = le16_to_cpu(status_rid.mode);
7750
7751 /* Signal quality and co */
7752 if (local->rssi) {
7753 local->wstats.qual.level =
7754 airo_rssi_to_dbm(local->rssi,
7755 le16_to_cpu(status_rid.sigQuality));
7756 /* normalizedSignalStrength appears to be a percentage */
7757 local->wstats.qual.qual =
7758 le16_to_cpu(status_rid.normalizedSignalStrength);
7759 } else {
7760 local->wstats.qual.level =
7761 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7762 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7763 }
7764 if (le16_to_cpu(status_rid.len) >= 124) {
7765 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7766 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7767 } else {
7768 local->wstats.qual.noise = 0;
7769 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7770 }
7771
7772 /* Packets discarded in the wireless adapter due to wireless
7773 * specific problems */
7774 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7775 le32_to_cpu(vals[57]) +
7776 le32_to_cpu(vals[58]); /* SSID Mismatch */
7777 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7778 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7779 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7780 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7781 le32_to_cpu(vals[32]);
7782 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7783 }
7784
7785 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7786 {
7787 struct airo_info *local = dev->ml_priv;
7788
7789 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7790 /* Get stats out of the card if available */
7791 if (down_trylock(&local->sem) != 0) {
7792 set_bit(JOB_WSTATS, &local->jobs);
7793 wake_up_interruptible(&local->thr_wait);
7794 } else
7795 airo_read_wireless_stats(local);
7796 }
7797
7798 return &local->wstats;
7799 }
7800
7801 #ifdef CISCO_EXT
7802 /*
7803 * This just translates from driver IOCTL codes to the command codes to
7804 * feed to the radio's host interface. Things can be added/deleted
7805 * as needed. This represents the READ side of control I/O to
7806 * the card
7807 */
7808 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7809 unsigned short ridcode;
7810 unsigned char *iobuf;
7811 int len;
7812 struct airo_info *ai = dev->ml_priv;
7813
7814 if (test_bit(FLAG_FLASHING, &ai->flags))
7815 return -EIO;
7816
7817 switch(comp->command)
7818 {
7819 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7820 case AIROGCFG: ridcode = RID_CONFIG;
7821 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7822 disable_MAC (ai, 1);
7823 writeConfigRid (ai, 1);
7824 enable_MAC(ai, 1);
7825 }
7826 break;
7827 case AIROGSLIST: ridcode = RID_SSID; break;
7828 case AIROGVLIST: ridcode = RID_APLIST; break;
7829 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7830 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7831 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7832 /* Only super-user can read WEP keys */
7833 if (!capable(CAP_NET_ADMIN))
7834 return -EPERM;
7835 break;
7836 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7837 /* Only super-user can read WEP keys */
7838 if (!capable(CAP_NET_ADMIN))
7839 return -EPERM;
7840 break;
7841 case AIROGSTAT: ridcode = RID_STATUS; break;
7842 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7843 case AIROGSTATSC32: ridcode = RID_STATS; break;
7844 case AIROGMICSTATS:
7845 if (copy_to_user(comp->data, &ai->micstats,
7846 min((int)comp->len,(int)sizeof(ai->micstats))))
7847 return -EFAULT;
7848 return 0;
7849 case AIRORRID: ridcode = comp->ridnum; break;
7850 default:
7851 return -EINVAL;
7852 break;
7853 }
7854
7855 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7856 return -ENOMEM;
7857
7858 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7859 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7860 * then return it to the user
7861 * 9/22/2000 Honor user given length
7862 */
7863 len = comp->len;
7864
7865 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7866 kfree (iobuf);
7867 return -EFAULT;
7868 }
7869 kfree (iobuf);
7870 return 0;
7871 }
7872
7873 /*
7874 * Danger Will Robinson write the rids here
7875 */
7876
7877 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7878 struct airo_info *ai = dev->ml_priv;
7879 int ridcode;
7880 int enabled;
7881 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7882 unsigned char *iobuf;
7883
7884 /* Only super-user can write RIDs */
7885 if (!capable(CAP_NET_ADMIN))
7886 return -EPERM;
7887
7888 if (test_bit(FLAG_FLASHING, &ai->flags))
7889 return -EIO;
7890
7891 ridcode = 0;
7892 writer = do_writerid;
7893
7894 switch(comp->command)
7895 {
7896 case AIROPSIDS: ridcode = RID_SSID; break;
7897 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7898 case AIROPAPLIST: ridcode = RID_APLIST; break;
7899 case AIROPCFG: ai->config.len = 0;
7900 clear_bit(FLAG_COMMIT, &ai->flags);
7901 ridcode = RID_CONFIG; break;
7902 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7903 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7904 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7905 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7906 break;
7907 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7908 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7909
7910 /* this is not really a rid but a command given to the card
7911 * same with MAC off
7912 */
7913 case AIROPMACON:
7914 if (enable_MAC(ai, 1) != 0)
7915 return -EIO;
7916 return 0;
7917
7918 /*
7919 * Evidently this code in the airo driver does not get a symbol
7920 * as disable_MAC. it's probably so short the compiler does not gen one.
7921 */
7922 case AIROPMACOFF:
7923 disable_MAC(ai, 1);
7924 return 0;
7925
7926 /* This command merely clears the counts does not actually store any data
7927 * only reads rid. But as it changes the cards state, I put it in the
7928 * writerid routines.
7929 */
7930 case AIROPSTCLR:
7931 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7932 return -ENOMEM;
7933
7934 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7935
7936 enabled = ai->micstats.enabled;
7937 memset(&ai->micstats,0,sizeof(ai->micstats));
7938 ai->micstats.enabled = enabled;
7939
7940 if (copy_to_user(comp->data, iobuf,
7941 min((int)comp->len, (int)RIDSIZE))) {
7942 kfree (iobuf);
7943 return -EFAULT;
7944 }
7945 kfree (iobuf);
7946 return 0;
7947
7948 default:
7949 return -EOPNOTSUPP; /* Blarg! */
7950 }
7951 if(comp->len > RIDSIZE)
7952 return -EINVAL;
7953
7954 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7955 return -ENOMEM;
7956
7957 if (copy_from_user(iobuf,comp->data,comp->len)) {
7958 kfree (iobuf);
7959 return -EFAULT;
7960 }
7961
7962 if (comp->command == AIROPCFG) {
7963 ConfigRid *cfg = (ConfigRid *)iobuf;
7964
7965 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7966 cfg->opmode |= MODE_MIC;
7967
7968 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7969 set_bit (FLAG_ADHOC, &ai->flags);
7970 else
7971 clear_bit (FLAG_ADHOC, &ai->flags);
7972 }
7973
7974 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7975 kfree (iobuf);
7976 return -EIO;
7977 }
7978 kfree (iobuf);
7979 return 0;
7980 }
7981
7982 /*****************************************************************************
7983 * Ancillary flash / mod functions much black magic lurkes here *
7984 *****************************************************************************
7985 */
7986
7987 /*
7988 * Flash command switch table
7989 */
7990
7991 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7992 int z;
7993
7994 /* Only super-user can modify flash */
7995 if (!capable(CAP_NET_ADMIN))
7996 return -EPERM;
7997
7998 switch(comp->command)
7999 {
8000 case AIROFLSHRST:
8001 return cmdreset((struct airo_info *)dev->ml_priv);
8002
8003 case AIROFLSHSTFL:
8004 if (!AIRO_FLASH(dev) &&
8005 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8006 return -ENOMEM;
8007 return setflashmode((struct airo_info *)dev->ml_priv);
8008
8009 case AIROFLSHGCHR: /* Get char from aux */
8010 if(comp->len != sizeof(int))
8011 return -EINVAL;
8012 if (copy_from_user(&z,comp->data,comp->len))
8013 return -EFAULT;
8014 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8015
8016 case AIROFLSHPCHR: /* Send char to card. */
8017 if(comp->len != sizeof(int))
8018 return -EINVAL;
8019 if (copy_from_user(&z,comp->data,comp->len))
8020 return -EFAULT;
8021 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8022
8023 case AIROFLPUTBUF: /* Send 32k to card */
8024 if (!AIRO_FLASH(dev))
8025 return -ENOMEM;
8026 if(comp->len > FLASHSIZE)
8027 return -EINVAL;
8028 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8029 return -EFAULT;
8030
8031 flashputbuf((struct airo_info *)dev->ml_priv);
8032 return 0;
8033
8034 case AIRORESTART:
8035 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8036 return -EIO;
8037 return 0;
8038 }
8039 return -EINVAL;
8040 }
8041
8042 #define FLASH_COMMAND 0x7e7e
8043
8044 /*
8045 * STEP 1)
8046 * Disable MAC and do soft reset on
8047 * card.
8048 */
8049
8050 static int cmdreset(struct airo_info *ai) {
8051 disable_MAC(ai, 1);
8052
8053 if(!waitbusy (ai)){
8054 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8055 return -EBUSY;
8056 }
8057
8058 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8059
8060 ssleep(1); /* WAS 600 12/7/00 */
8061
8062 if(!waitbusy (ai)){
8063 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8064 return -EBUSY;
8065 }
8066 return 0;
8067 }
8068
8069 /* STEP 2)
8070 * Put the card in legendary flash
8071 * mode
8072 */
8073
8074 static int setflashmode (struct airo_info *ai) {
8075 set_bit (FLAG_FLASHING, &ai->flags);
8076
8077 OUT4500(ai, SWS0, FLASH_COMMAND);
8078 OUT4500(ai, SWS1, FLASH_COMMAND);
8079 if (probe) {
8080 OUT4500(ai, SWS0, FLASH_COMMAND);
8081 OUT4500(ai, COMMAND,0x10);
8082 } else {
8083 OUT4500(ai, SWS2, FLASH_COMMAND);
8084 OUT4500(ai, SWS3, FLASH_COMMAND);
8085 OUT4500(ai, COMMAND,0);
8086 }
8087 msleep(500); /* 500ms delay */
8088
8089 if(!waitbusy(ai)) {
8090 clear_bit (FLAG_FLASHING, &ai->flags);
8091 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8092 return -EIO;
8093 }
8094 return 0;
8095 }
8096
8097 /* Put character to SWS0 wait for dwelltime
8098 * x 50us for echo .
8099 */
8100
8101 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8102 int echo;
8103 int waittime;
8104
8105 byte |= 0x8000;
8106
8107 if(dwelltime == 0 )
8108 dwelltime = 200;
8109
8110 waittime=dwelltime;
8111
8112 /* Wait for busy bit d15 to go false indicating buffer empty */
8113 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8114 udelay (50);
8115 waittime -= 50;
8116 }
8117
8118 /* timeout for busy clear wait */
8119 if(waittime <= 0 ){
8120 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8121 return -EBUSY;
8122 }
8123
8124 /* Port is clear now write byte and wait for it to echo back */
8125 do {
8126 OUT4500(ai,SWS0,byte);
8127 udelay(50);
8128 dwelltime -= 50;
8129 echo = IN4500(ai,SWS1);
8130 } while (dwelltime >= 0 && echo != byte);
8131
8132 OUT4500(ai,SWS1,0);
8133
8134 return (echo == byte) ? 0 : -EIO;
8135 }
8136
8137 /*
8138 * Get a character from the card matching matchbyte
8139 * Step 3)
8140 */
8141 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8142 int rchar;
8143 unsigned char rbyte=0;
8144
8145 do {
8146 rchar = IN4500(ai,SWS1);
8147
8148 if(dwelltime && !(0x8000 & rchar)){
8149 dwelltime -= 10;
8150 mdelay(10);
8151 continue;
8152 }
8153 rbyte = 0xff & rchar;
8154
8155 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8156 OUT4500(ai,SWS1,0);
8157 return 0;
8158 }
8159 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8160 break;
8161 OUT4500(ai,SWS1,0);
8162
8163 }while(dwelltime > 0);
8164 return -EIO;
8165 }
8166
8167 /*
8168 * Transfer 32k of firmware data from user buffer to our buffer and
8169 * send to the card
8170 */
8171
8172 static int flashputbuf(struct airo_info *ai){
8173 int nwords;
8174
8175 /* Write stuff */
8176 if (test_bit(FLAG_MPI,&ai->flags))
8177 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8178 else {
8179 OUT4500(ai,AUXPAGE,0x100);
8180 OUT4500(ai,AUXOFF,0);
8181
8182 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8183 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8184 }
8185 }
8186 OUT4500(ai,SWS0,0x8000);
8187
8188 return 0;
8189 }
8190
8191 /*
8192 *
8193 */
8194 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8195 int i,status;
8196
8197 ssleep(1); /* Added 12/7/00 */
8198 clear_bit (FLAG_FLASHING, &ai->flags);
8199 if (test_bit(FLAG_MPI, &ai->flags)) {
8200 status = mpi_init_descriptors(ai);
8201 if (status != SUCCESS)
8202 return status;
8203 }
8204 status = setup_card(ai, dev->dev_addr, 1);
8205
8206 if (!test_bit(FLAG_MPI,&ai->flags))
8207 for( i = 0; i < MAX_FIDS; i++ ) {
8208 ai->fids[i] = transmit_allocate
8209 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8210 }
8211
8212 ssleep(1); /* Added 12/7/00 */
8213 return status;
8214 }
8215 #endif /* CISCO_EXT */
8216
8217 /*
8218 This program is free software; you can redistribute it and/or
8219 modify it under the terms of the GNU General Public License
8220 as published by the Free Software Foundation; either version 2
8221 of the License, or (at your option) any later version.
8222
8223 This program is distributed in the hope that it will be useful,
8224 but WITHOUT ANY WARRANTY; without even the implied warranty of
8225 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8226 GNU General Public License for more details.
8227
8228 In addition:
8229
8230 Redistribution and use in source and binary forms, with or without
8231 modification, are permitted provided that the following conditions
8232 are met:
8233
8234 1. Redistributions of source code must retain the above copyright
8235 notice, this list of conditions and the following disclaimer.
8236 2. Redistributions in binary form must reproduce the above copyright
8237 notice, this list of conditions and the following disclaimer in the
8238 documentation and/or other materials provided with the distribution.
8239 3. The name of the author may not be used to endorse or promote
8240 products derived from this software without specific prior written
8241 permission.
8242
8243 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8244 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8245 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8246 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8247 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8248 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8249 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8250 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8251 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8252 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8253 POSSIBILITY OF SUCH DAMAGE.
8254 */
8255
8256 module_init(airo_init_module);
8257 module_exit(airo_cleanup_module);
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