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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[mirror_ubuntu-kernels.git] / drivers / net / wireless / airo.c
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/system.h>
41 #include <asm/unaligned.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
52
53 #include <linux/ieee80211.h>
54 #include <net/iw_handler.h>
55
56 #include "airo.h"
57
58 #define DRV_NAME "airo"
59
60 #ifdef CONFIG_PCI
61 static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0, }
70 };
71 MODULE_DEVICE_TABLE(pci, card_ids);
72
73 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74 static void airo_pci_remove(struct pci_dev *);
75 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
76 static int airo_pci_resume(struct pci_dev *pdev);
77
78 static struct pci_driver airo_driver = {
79 .name = DRV_NAME,
80 .id_table = card_ids,
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
85 };
86 #endif /* CONFIG_PCI */
87
88 /* Include Wireless Extension definition and check version - Jean II */
89 #include <linux/wireless.h>
90 #define WIRELESS_SPY /* enable iwspy support */
91 #include <net/iw_handler.h> /* New driver API */
92
93 #define CISCO_EXT /* enable Cisco extensions */
94 #ifdef CISCO_EXT
95 #include <linux/delay.h>
96 #endif
97
98 /* Hack to do some power saving */
99 #define POWER_ON_DOWN
100
101 /* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
106
107 #define IGNLABEL(comment) NULL
108 static const char *statsLabels[] = {
109 "RxOverrun",
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
113 "RxMacCrcErr",
114 "RxMacCrcOk",
115 "RxWepErr",
116 "RxWepOk",
117 "RetryLong",
118 "RetryShort",
119 "MaxRetries",
120 "NoAck",
121 "NoCts",
122 "RxAck",
123 "RxCts",
124 "TxAck",
125 "TxRts",
126 "TxCts",
127 "TxMc",
128 "TxBc",
129 "TxUcFrags",
130 "TxUcPackets",
131 "TxBeacon",
132 "RxBeacon",
133 "TxSinColl",
134 "TxMulColl",
135 "DefersNo",
136 "DefersProt",
137 "DefersEngy",
138 "DupFram",
139 "RxFragDisc",
140 "TxAged",
141 "RxAged",
142 "LostSync-MaxRetry",
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
145 "LostSync-Deauth",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
148 "HostTxMc",
149 "HostTxBc",
150 "HostTxUc",
151 "HostTxFail",
152 "HostRxMc",
153 "HostRxBc",
154 "HostRxUc",
155 "HostRxDiscard",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
165 "SsidMismatch",
166 "ApMismatch",
167 "RatesMismatch",
168 "AuthReject",
169 "AuthTimeout",
170 "AssocReject",
171 "AssocTimeout",
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
192 "RxMan",
193 "TxMan",
194 "RxRefresh",
195 "TxRefresh",
196 "RxPoll",
197 "TxPoll",
198 "HostRetries",
199 "LostSync-HostReq",
200 "HostTxBytes",
201 "HostRxBytes",
202 "ElapsedUsec",
203 "ElapsedSec",
204 "LostSyncBetterAP",
205 "PrivacyMismatch",
206 "Jammed",
207 "DiscRxNotWepped",
208 "PhyEleMismatch",
209 (char*)-1 };
210 #ifndef RUN_AT
211 #define RUN_AT(x) (jiffies+(x))
212 #endif
213
214
215 /* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
218
219 static int rates[8];
220 static char *ssids[3];
221
222 static int io[4];
223 static int irq[4];
224
225 static
226 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
228
229 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
232 static int adhoc;
233
234 static int probe = 1;
235
236 static int proc_uid /* = 0 */;
237
238 static int proc_gid /* = 0 */;
239
240 static int airo_perm = 0555;
241
242 static int proc_perm = 0644;
243
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
246 cards. Direct support for ISA/PCI/MPI cards and support \
247 for PCMCIA when used with airo_cs.");
248 MODULE_LICENSE("Dual BSD/GPL");
249 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250 module_param_array(io, int, NULL, 0);
251 module_param_array(irq, int, NULL, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256 the authentication options until an association is made. The value of \
257 auto_wep is number of the wep keys to check. A value of 2 will try using \
258 the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261 than seems to work better for older cards with some older buses. Before \
262 switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266 Older cards used to be limited to 2mbs (4).");
267 module_param(adhoc, int, 0);
268 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269 module_param(probe, int, 0);
270 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271
272 module_param(proc_uid, int, 0);
273 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274 module_param(proc_gid, int, 0);
275 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276 module_param(airo_perm, int, 0);
277 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278 module_param(proc_perm, int, 0);
279 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280
281 /* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284 static int do8bitIO /* = 0 */;
285
286 /* Return codes */
287 #define SUCCESS 0
288 #define ERROR -1
289 #define NO_PACKET -2
290
291 /* Commands */
292 #define NOP2 0x0000
293 #define MAC_ENABLE 0x0001
294 #define MAC_DISABLE 0x0002
295 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296 #define CMD_SOFTRESET 0x0004
297 #define HOSTSLEEP 0x0005
298 #define CMD_MAGIC_PKT 0x0006
299 #define CMD_SETWAKEMASK 0x0007
300 #define CMD_READCFG 0x0008
301 #define CMD_SETMODE 0x0009
302 #define CMD_ALLOCATETX 0x000a
303 #define CMD_TRANSMIT 0x000b
304 #define CMD_DEALLOCATETX 0x000c
305 #define NOP 0x0010
306 #define CMD_WORKAROUND 0x0011
307 #define CMD_ALLOCATEAUX 0x0020
308 #define CMD_ACCESS 0x0021
309 #define CMD_PCIBAP 0x0022
310 #define CMD_PCIAUX 0x0023
311 #define CMD_ALLOCBUF 0x0028
312 #define CMD_GETTLV 0x0029
313 #define CMD_PUTTLV 0x002a
314 #define CMD_DELTLV 0x002b
315 #define CMD_FINDNEXTTLV 0x002c
316 #define CMD_PSPNODES 0x0030
317 #define CMD_SETCW 0x0031
318 #define CMD_SETPCF 0x0032
319 #define CMD_SETPHYREG 0x003e
320 #define CMD_TXTEST 0x003f
321 #define MAC_ENABLETX 0x0101
322 #define CMD_LISTBSS 0x0103
323 #define CMD_SAVECFG 0x0108
324 #define CMD_ENABLEAUX 0x0111
325 #define CMD_WRITERID 0x0121
326 #define CMD_USEPSPNODES 0x0130
327 #define MAC_ENABLERX 0x0201
328
329 /* Command errors */
330 #define ERROR_QUALIF 0x00
331 #define ERROR_ILLCMD 0x01
332 #define ERROR_ILLFMT 0x02
333 #define ERROR_INVFID 0x03
334 #define ERROR_INVRID 0x04
335 #define ERROR_LARGE 0x05
336 #define ERROR_NDISABL 0x06
337 #define ERROR_ALLOCBSY 0x07
338 #define ERROR_NORD 0x0B
339 #define ERROR_NOWR 0x0C
340 #define ERROR_INVFIDTX 0x0D
341 #define ERROR_TESTACT 0x0E
342 #define ERROR_TAGNFND 0x12
343 #define ERROR_DECODE 0x20
344 #define ERROR_DESCUNAV 0x21
345 #define ERROR_BADLEN 0x22
346 #define ERROR_MODE 0x80
347 #define ERROR_HOP 0x81
348 #define ERROR_BINTER 0x82
349 #define ERROR_RXMODE 0x83
350 #define ERROR_MACADDR 0x84
351 #define ERROR_RATES 0x85
352 #define ERROR_ORDER 0x86
353 #define ERROR_SCAN 0x87
354 #define ERROR_AUTH 0x88
355 #define ERROR_PSMODE 0x89
356 #define ERROR_RTYPE 0x8A
357 #define ERROR_DIVER 0x8B
358 #define ERROR_SSID 0x8C
359 #define ERROR_APLIST 0x8D
360 #define ERROR_AUTOWAKE 0x8E
361 #define ERROR_LEAP 0x8F
362
363 /* Registers */
364 #define COMMAND 0x00
365 #define PARAM0 0x02
366 #define PARAM1 0x04
367 #define PARAM2 0x06
368 #define STATUS 0x08
369 #define RESP0 0x0a
370 #define RESP1 0x0c
371 #define RESP2 0x0e
372 #define LINKSTAT 0x10
373 #define SELECT0 0x18
374 #define OFFSET0 0x1c
375 #define RXFID 0x20
376 #define TXALLOCFID 0x22
377 #define TXCOMPLFID 0x24
378 #define DATA0 0x36
379 #define EVSTAT 0x30
380 #define EVINTEN 0x32
381 #define EVACK 0x34
382 #define SWS0 0x28
383 #define SWS1 0x2a
384 #define SWS2 0x2c
385 #define SWS3 0x2e
386 #define AUXPAGE 0x3A
387 #define AUXOFF 0x3C
388 #define AUXDATA 0x3E
389
390 #define FID_TX 1
391 #define FID_RX 2
392 /* Offset into aux memory for descriptors */
393 #define AUX_OFFSET 0x800
394 /* Size of allocated packets */
395 #define PKTSIZE 1840
396 #define RIDSIZE 2048
397 /* Size of the transmit queue */
398 #define MAXTXQ 64
399
400 /* BAP selectors */
401 #define BAP0 0 /* Used for receiving packets */
402 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
403
404 /* Flags */
405 #define COMMAND_BUSY 0x8000
406
407 #define BAP_BUSY 0x8000
408 #define BAP_ERR 0x4000
409 #define BAP_DONE 0x2000
410
411 #define PROMISC 0xffff
412 #define NOPROMISC 0x0000
413
414 #define EV_CMD 0x10
415 #define EV_CLEARCOMMANDBUSY 0x4000
416 #define EV_RX 0x01
417 #define EV_TX 0x02
418 #define EV_TXEXC 0x04
419 #define EV_ALLOC 0x08
420 #define EV_LINK 0x80
421 #define EV_AWAKE 0x100
422 #define EV_TXCPY 0x400
423 #define EV_UNKNOWN 0x800
424 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425 #define EV_AWAKEN 0x2000
426 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427
428 #ifdef CHECK_UNKNOWN_INTS
429 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #else
431 #define IGNORE_INTS (~STATUS_INTS)
432 #endif
433
434 /* RID TYPES */
435 #define RID_RW 0x20
436
437 /* The RIDs */
438 #define RID_CAPABILITIES 0xFF00
439 #define RID_APINFO 0xFF01
440 #define RID_RADIOINFO 0xFF02
441 #define RID_UNKNOWN3 0xFF03
442 #define RID_RSSI 0xFF04
443 #define RID_CONFIG 0xFF10
444 #define RID_SSID 0xFF11
445 #define RID_APLIST 0xFF12
446 #define RID_DRVNAME 0xFF13
447 #define RID_ETHERENCAP 0xFF14
448 #define RID_WEP_TEMP 0xFF15
449 #define RID_WEP_PERM 0xFF16
450 #define RID_MODULATION 0xFF17
451 #define RID_OPTIONS 0xFF18
452 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453 #define RID_FACTORYCONFIG 0xFF21
454 #define RID_UNKNOWN22 0xFF22
455 #define RID_LEAPUSERNAME 0xFF23
456 #define RID_LEAPPASSWORD 0xFF24
457 #define RID_STATUS 0xFF50
458 #define RID_BEACON_HST 0xFF51
459 #define RID_BUSY_HST 0xFF52
460 #define RID_RETRIES_HST 0xFF53
461 #define RID_UNKNOWN54 0xFF54
462 #define RID_UNKNOWN55 0xFF55
463 #define RID_UNKNOWN56 0xFF56
464 #define RID_MIC 0xFF57
465 #define RID_STATS16 0xFF60
466 #define RID_STATS16DELTA 0xFF61
467 #define RID_STATS16DELTACLEAR 0xFF62
468 #define RID_STATS 0xFF68
469 #define RID_STATSDELTA 0xFF69
470 #define RID_STATSDELTACLEAR 0xFF6A
471 #define RID_ECHOTEST_RID 0xFF70
472 #define RID_ECHOTEST_RESULTS 0xFF71
473 #define RID_BSSLISTFIRST 0xFF72
474 #define RID_BSSLISTNEXT 0xFF73
475 #define RID_WPA_BSSLISTFIRST 0xFF74
476 #define RID_WPA_BSSLISTNEXT 0xFF75
477
478 typedef struct {
479 u16 cmd;
480 u16 parm0;
481 u16 parm1;
482 u16 parm2;
483 } Cmd;
484
485 typedef struct {
486 u16 status;
487 u16 rsp0;
488 u16 rsp1;
489 u16 rsp2;
490 } Resp;
491
492 /*
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
496 */
497
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
500 typedef struct WepKeyRid WepKeyRid;
501 struct WepKeyRid {
502 __le16 len;
503 __le16 kindex;
504 u8 mac[ETH_ALEN];
505 __le16 klen;
506 u8 key[16];
507 } __packed;
508
509 /* These structures are from the Aironet's PC4500 Developers Manual */
510 typedef struct Ssid Ssid;
511 struct Ssid {
512 __le16 len;
513 u8 ssid[32];
514 } __packed;
515
516 typedef struct SsidRid SsidRid;
517 struct SsidRid {
518 __le16 len;
519 Ssid ssids[3];
520 } __packed;
521
522 typedef struct ModulationRid ModulationRid;
523 struct ModulationRid {
524 __le16 len;
525 __le16 modulation;
526 #define MOD_DEFAULT cpu_to_le16(0)
527 #define MOD_CCK cpu_to_le16(1)
528 #define MOD_MOK cpu_to_le16(2)
529 } __packed;
530
531 typedef struct ConfigRid ConfigRid;
532 struct ConfigRid {
533 __le16 len; /* sizeof(ConfigRid) */
534 __le16 opmode; /* operating mode */
535 #define MODE_STA_IBSS cpu_to_le16(0)
536 #define MODE_STA_ESS cpu_to_le16(1)
537 #define MODE_AP cpu_to_le16(2)
538 #define MODE_AP_RPTR cpu_to_le16(3)
539 #define MODE_CFG_MASK cpu_to_le16(0xff)
540 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
541 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
542 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
543 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
544 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
545 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
546 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
547 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
548 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
549 __le16 rmode; /* receive mode */
550 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
551 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
552 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
553 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
554 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
555 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
556 #define RXMODE_MASK cpu_to_le16(255)
557 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
558 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
559 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
560 __le16 fragThresh;
561 __le16 rtsThres;
562 u8 macAddr[ETH_ALEN];
563 u8 rates[8];
564 __le16 shortRetryLimit;
565 __le16 longRetryLimit;
566 __le16 txLifetime; /* in kusec */
567 __le16 rxLifetime; /* in kusec */
568 __le16 stationary;
569 __le16 ordering;
570 __le16 u16deviceType; /* for overriding device type */
571 __le16 cfpRate;
572 __le16 cfpDuration;
573 __le16 _reserved1[3];
574 /*---------- Scanning/Associating ----------*/
575 __le16 scanMode;
576 #define SCANMODE_ACTIVE cpu_to_le16(0)
577 #define SCANMODE_PASSIVE cpu_to_le16(1)
578 #define SCANMODE_AIROSCAN cpu_to_le16(2)
579 __le16 probeDelay; /* in kusec */
580 __le16 probeEnergyTimeout; /* in kusec */
581 __le16 probeResponseTimeout;
582 __le16 beaconListenTimeout;
583 __le16 joinNetTimeout;
584 __le16 authTimeout;
585 __le16 authType;
586 #define AUTH_OPEN cpu_to_le16(0x1)
587 #define AUTH_ENCRYPT cpu_to_le16(0x101)
588 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
589 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
590 __le16 associationTimeout;
591 __le16 specifiedApTimeout;
592 __le16 offlineScanInterval;
593 __le16 offlineScanDuration;
594 __le16 linkLossDelay;
595 __le16 maxBeaconLostTime;
596 __le16 refreshInterval;
597 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
598 __le16 _reserved1a[1];
599 /*---------- Power save operation ----------*/
600 __le16 powerSaveMode;
601 #define POWERSAVE_CAM cpu_to_le16(0)
602 #define POWERSAVE_PSP cpu_to_le16(1)
603 #define POWERSAVE_PSPCAM cpu_to_le16(2)
604 __le16 sleepForDtims;
605 __le16 listenInterval;
606 __le16 fastListenInterval;
607 __le16 listenDecay;
608 __le16 fastListenDelay;
609 __le16 _reserved2[2];
610 /*---------- Ap/Ibss config items ----------*/
611 __le16 beaconPeriod;
612 __le16 atimDuration;
613 __le16 hopPeriod;
614 __le16 channelSet;
615 __le16 channel;
616 __le16 dtimPeriod;
617 __le16 bridgeDistance;
618 __le16 radioID;
619 /*---------- Radio configuration ----------*/
620 __le16 radioType;
621 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
622 #define RADIOTYPE_802_11 cpu_to_le16(1)
623 #define RADIOTYPE_LEGACY cpu_to_le16(2)
624 u8 rxDiversity;
625 u8 txDiversity;
626 __le16 txPower;
627 #define TXPOWER_DEFAULT 0
628 __le16 rssiThreshold;
629 #define RSSI_DEFAULT 0
630 __le16 modulation;
631 #define PREAMBLE_AUTO cpu_to_le16(0)
632 #define PREAMBLE_LONG cpu_to_le16(1)
633 #define PREAMBLE_SHORT cpu_to_le16(2)
634 __le16 preamble;
635 __le16 homeProduct;
636 __le16 radioSpecific;
637 /*---------- Aironet Extensions ----------*/
638 u8 nodeName[16];
639 __le16 arlThreshold;
640 __le16 arlDecay;
641 __le16 arlDelay;
642 __le16 _reserved4[1];
643 /*---------- Aironet Extensions ----------*/
644 u8 magicAction;
645 #define MAGIC_ACTION_STSCHG 1
646 #define MAGIC_ACTION_RESUME 2
647 #define MAGIC_IGNORE_MCAST (1<<8)
648 #define MAGIC_IGNORE_BCAST (1<<9)
649 #define MAGIC_SWITCH_TO_PSP (0<<10)
650 #define MAGIC_STAY_IN_CAM (1<<10)
651 u8 magicControl;
652 __le16 autoWake;
653 } __packed;
654
655 typedef struct StatusRid StatusRid;
656 struct StatusRid {
657 __le16 len;
658 u8 mac[ETH_ALEN];
659 __le16 mode;
660 __le16 errorCode;
661 __le16 sigQuality;
662 __le16 SSIDlen;
663 char SSID[32];
664 char apName[16];
665 u8 bssid[4][ETH_ALEN];
666 __le16 beaconPeriod;
667 __le16 dimPeriod;
668 __le16 atimDuration;
669 __le16 hopPeriod;
670 __le16 channelSet;
671 __le16 channel;
672 __le16 hopsToBackbone;
673 __le16 apTotalLoad;
674 __le16 generatedLoad;
675 __le16 accumulatedArl;
676 __le16 signalQuality;
677 __le16 currentXmitRate;
678 __le16 apDevExtensions;
679 __le16 normalizedSignalStrength;
680 __le16 shortPreamble;
681 u8 apIP[4];
682 u8 noisePercent; /* Noise percent in last second */
683 u8 noisedBm; /* Noise dBm in last second */
684 u8 noiseAvePercent; /* Noise percent in last minute */
685 u8 noiseAvedBm; /* Noise dBm in last minute */
686 u8 noiseMaxPercent; /* Highest noise percent in last minute */
687 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
688 __le16 load;
689 u8 carrier[4];
690 __le16 assocStatus;
691 #define STAT_NOPACKETS 0
692 #define STAT_NOCARRIERSET 10
693 #define STAT_GOTCARRIERSET 11
694 #define STAT_WRONGSSID 20
695 #define STAT_BADCHANNEL 25
696 #define STAT_BADBITRATES 30
697 #define STAT_BADPRIVACY 35
698 #define STAT_APFOUND 40
699 #define STAT_APREJECTED 50
700 #define STAT_AUTHENTICATING 60
701 #define STAT_DEAUTHENTICATED 61
702 #define STAT_AUTHTIMEOUT 62
703 #define STAT_ASSOCIATING 70
704 #define STAT_DEASSOCIATED 71
705 #define STAT_ASSOCTIMEOUT 72
706 #define STAT_NOTAIROAP 73
707 #define STAT_ASSOCIATED 80
708 #define STAT_LEAPING 90
709 #define STAT_LEAPFAILED 91
710 #define STAT_LEAPTIMEDOUT 92
711 #define STAT_LEAPCOMPLETE 93
712 } __packed;
713
714 typedef struct StatsRid StatsRid;
715 struct StatsRid {
716 __le16 len;
717 __le16 spacer;
718 __le32 vals[100];
719 } __packed;
720
721 typedef struct APListRid APListRid;
722 struct APListRid {
723 __le16 len;
724 u8 ap[4][ETH_ALEN];
725 } __packed;
726
727 typedef struct CapabilityRid CapabilityRid;
728 struct CapabilityRid {
729 __le16 len;
730 char oui[3];
731 char zero;
732 __le16 prodNum;
733 char manName[32];
734 char prodName[16];
735 char prodVer[8];
736 char factoryAddr[ETH_ALEN];
737 char aironetAddr[ETH_ALEN];
738 __le16 radioType;
739 __le16 country;
740 char callid[ETH_ALEN];
741 char supportedRates[8];
742 char rxDiversity;
743 char txDiversity;
744 __le16 txPowerLevels[8];
745 __le16 hardVer;
746 __le16 hardCap;
747 __le16 tempRange;
748 __le16 softVer;
749 __le16 softSubVer;
750 __le16 interfaceVer;
751 __le16 softCap;
752 __le16 bootBlockVer;
753 __le16 requiredHard;
754 __le16 extSoftCap;
755 } __packed;
756
757 /* Only present on firmware >= 5.30.17 */
758 typedef struct BSSListRidExtra BSSListRidExtra;
759 struct BSSListRidExtra {
760 __le16 unknown[4];
761 u8 fixed[12]; /* WLAN management frame */
762 u8 iep[624];
763 } __packed;
764
765 typedef struct BSSListRid BSSListRid;
766 struct BSSListRid {
767 __le16 len;
768 __le16 index; /* First is 0 and 0xffff means end of list */
769 #define RADIO_FH 1 /* Frequency hopping radio type */
770 #define RADIO_DS 2 /* Direct sequence radio type */
771 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
772 __le16 radioType;
773 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
774 u8 zero;
775 u8 ssidLen;
776 u8 ssid[32];
777 __le16 dBm;
778 #define CAP_ESS cpu_to_le16(1<<0)
779 #define CAP_IBSS cpu_to_le16(1<<1)
780 #define CAP_PRIVACY cpu_to_le16(1<<4)
781 #define CAP_SHORTHDR cpu_to_le16(1<<5)
782 __le16 cap;
783 __le16 beaconInterval;
784 u8 rates[8]; /* Same as rates for config rid */
785 struct { /* For frequency hopping only */
786 __le16 dwell;
787 u8 hopSet;
788 u8 hopPattern;
789 u8 hopIndex;
790 u8 fill;
791 } fh;
792 __le16 dsChannel;
793 __le16 atimWindow;
794
795 /* Only present on firmware >= 5.30.17 */
796 BSSListRidExtra extra;
797 } __packed;
798
799 typedef struct {
800 BSSListRid bss;
801 struct list_head list;
802 } BSSListElement;
803
804 typedef struct tdsRssiEntry tdsRssiEntry;
805 struct tdsRssiEntry {
806 u8 rssipct;
807 u8 rssidBm;
808 } __packed;
809
810 typedef struct tdsRssiRid tdsRssiRid;
811 struct tdsRssiRid {
812 u16 len;
813 tdsRssiEntry x[256];
814 } __packed;
815
816 typedef struct MICRid MICRid;
817 struct MICRid {
818 __le16 len;
819 __le16 state;
820 __le16 multicastValid;
821 u8 multicast[16];
822 __le16 unicastValid;
823 u8 unicast[16];
824 } __packed;
825
826 typedef struct MICBuffer MICBuffer;
827 struct MICBuffer {
828 __be16 typelen;
829
830 union {
831 u8 snap[8];
832 struct {
833 u8 dsap;
834 u8 ssap;
835 u8 control;
836 u8 orgcode[3];
837 u8 fieldtype[2];
838 } llc;
839 } u;
840 __be32 mic;
841 __be32 seq;
842 } __packed;
843
844 typedef struct {
845 u8 da[ETH_ALEN];
846 u8 sa[ETH_ALEN];
847 } etherHead;
848
849 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
850 #define TXCTL_TXEX (1<<2) /* report if tx fails */
851 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
852 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
853 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
854 #define TXCTL_LLC (1<<4) /* payload is llc */
855 #define TXCTL_RELEASE (0<<5) /* release after completion */
856 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
857
858 #define BUSY_FID 0x10000
859
860 #ifdef CISCO_EXT
861 #define AIROMAGIC 0xa55a
862 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
863 #ifdef SIOCIWFIRSTPRIV
864 #ifdef SIOCDEVPRIVATE
865 #define AIROOLDIOCTL SIOCDEVPRIVATE
866 #define AIROOLDIDIFC AIROOLDIOCTL + 1
867 #endif /* SIOCDEVPRIVATE */
868 #else /* SIOCIWFIRSTPRIV */
869 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
870 #endif /* SIOCIWFIRSTPRIV */
871 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
872 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
873 * only and don't return the modified struct ifreq to the application which
874 * is usually a problem. - Jean II */
875 #define AIROIOCTL SIOCIWFIRSTPRIV
876 #define AIROIDIFC AIROIOCTL + 1
877
878 /* Ioctl constants to be used in airo_ioctl.command */
879
880 #define AIROGCAP 0 // Capability rid
881 #define AIROGCFG 1 // USED A LOT
882 #define AIROGSLIST 2 // System ID list
883 #define AIROGVLIST 3 // List of specified AP's
884 #define AIROGDRVNAM 4 // NOTUSED
885 #define AIROGEHTENC 5 // NOTUSED
886 #define AIROGWEPKTMP 6
887 #define AIROGWEPKNV 7
888 #define AIROGSTAT 8
889 #define AIROGSTATSC32 9
890 #define AIROGSTATSD32 10
891 #define AIROGMICRID 11
892 #define AIROGMICSTATS 12
893 #define AIROGFLAGS 13
894 #define AIROGID 14
895 #define AIRORRID 15
896 #define AIRORSWVERSION 17
897
898 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
899
900 #define AIROPCAP AIROGSTATSD32 + 40
901 #define AIROPVLIST AIROPCAP + 1
902 #define AIROPSLIST AIROPVLIST + 1
903 #define AIROPCFG AIROPSLIST + 1
904 #define AIROPSIDS AIROPCFG + 1
905 #define AIROPAPLIST AIROPSIDS + 1
906 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
907 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
908 #define AIROPSTCLR AIROPMACOFF + 1
909 #define AIROPWEPKEY AIROPSTCLR + 1
910 #define AIROPWEPKEYNV AIROPWEPKEY + 1
911 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
912 #define AIROPLEAPUSR AIROPLEAPPWD + 1
913
914 /* Flash codes */
915
916 #define AIROFLSHRST AIROPWEPKEYNV + 40
917 #define AIROFLSHGCHR AIROFLSHRST + 1
918 #define AIROFLSHSTFL AIROFLSHGCHR + 1
919 #define AIROFLSHPCHR AIROFLSHSTFL + 1
920 #define AIROFLPUTBUF AIROFLSHPCHR + 1
921 #define AIRORESTART AIROFLPUTBUF + 1
922
923 #define FLASHSIZE 32768
924 #define AUXMEMSIZE (256 * 1024)
925
926 typedef struct aironet_ioctl {
927 unsigned short command; // What to do
928 unsigned short len; // Len of data
929 unsigned short ridnum; // rid number
930 unsigned char __user *data; // d-data
931 } aironet_ioctl;
932
933 static const char swversion[] = "2.1";
934 #endif /* CISCO_EXT */
935
936 #define NUM_MODULES 2
937 #define MIC_MSGLEN_MAX 2400
938 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
939 #define AIRO_DEF_MTU 2312
940
941 typedef struct {
942 u32 size; // size
943 u8 enabled; // MIC enabled or not
944 u32 rxSuccess; // successful packets received
945 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
946 u32 rxNotMICed; // pkts dropped due to not being MIC'd
947 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
948 u32 rxWrongSequence; // pkts dropped due to sequence number violation
949 u32 reserve[32];
950 } mic_statistics;
951
952 typedef struct {
953 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
954 u64 accum; // accumulated mic, reduced to u32 in final()
955 int position; // current position (byte offset) in message
956 union {
957 u8 d8[4];
958 __be32 d32;
959 } part; // saves partial message word across update() calls
960 } emmh32_context;
961
962 typedef struct {
963 emmh32_context seed; // Context - the seed
964 u32 rx; // Received sequence number
965 u32 tx; // Tx sequence number
966 u32 window; // Start of window
967 u8 valid; // Flag to say if context is valid or not
968 u8 key[16];
969 } miccntx;
970
971 typedef struct {
972 miccntx mCtx; // Multicast context
973 miccntx uCtx; // Unicast context
974 } mic_module;
975
976 typedef struct {
977 unsigned int rid: 16;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
981 } Rid;
982
983 typedef struct {
984 unsigned int offset: 15;
985 unsigned int eoc: 1;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
989 } TxFid;
990
991 struct rx_hdr {
992 __le16 status, len;
993 u8 rssi[2];
994 u8 rate;
995 u8 freq;
996 __le16 tmp[4];
997 } __packed;
998
999 typedef struct {
1000 unsigned int ctl: 15;
1001 unsigned int rdy: 1;
1002 unsigned int len: 15;
1003 unsigned int valid: 1;
1004 dma_addr_t host_addr;
1005 } RxFid;
1006
1007 /*
1008 * Host receive descriptor
1009 */
1010 typedef struct {
1011 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1012 desc */
1013 RxFid rx_desc; /* card receive descriptor */
1014 char *virtual_host_addr; /* virtual address of host receive
1015 buffer */
1016 int pending;
1017 } HostRxDesc;
1018
1019 /*
1020 * Host transmit descriptor
1021 */
1022 typedef struct {
1023 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1024 desc */
1025 TxFid tx_desc; /* card transmit descriptor */
1026 char *virtual_host_addr; /* virtual address of host receive
1027 buffer */
1028 int pending;
1029 } HostTxDesc;
1030
1031 /*
1032 * Host RID descriptor
1033 */
1034 typedef struct {
1035 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1036 descriptor */
1037 Rid rid_desc; /* card RID descriptor */
1038 char *virtual_host_addr; /* virtual address of host receive
1039 buffer */
1040 } HostRidDesc;
1041
1042 typedef struct {
1043 u16 sw0;
1044 u16 sw1;
1045 u16 status;
1046 u16 len;
1047 #define HOST_SET (1 << 0)
1048 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1049 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1050 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1051 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1052 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1053 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1054 #define HOST_RTS (1 << 9) /* Force RTS use */
1055 #define HOST_SHORT (1 << 10) /* Do short preamble */
1056 u16 ctl;
1057 u16 aid;
1058 u16 retries;
1059 u16 fill;
1060 } TxCtlHdr;
1061
1062 typedef struct {
1063 u16 ctl;
1064 u16 duration;
1065 char addr1[6];
1066 char addr2[6];
1067 char addr3[6];
1068 u16 seq;
1069 char addr4[6];
1070 } WifiHdr;
1071
1072
1073 typedef struct {
1074 TxCtlHdr ctlhdr;
1075 u16 fill1;
1076 u16 fill2;
1077 WifiHdr wifihdr;
1078 u16 gaplen;
1079 u16 status;
1080 } WifiCtlHdr;
1081
1082 static WifiCtlHdr wifictlhdr8023 = {
1083 .ctlhdr = {
1084 .ctl = HOST_DONT_RLSE,
1085 }
1086 };
1087
1088 // A few details needed for WEP (Wireless Equivalent Privacy)
1089 #define MAX_KEY_SIZE 13 // 128 (?) bits
1090 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1091 typedef struct wep_key_t {
1092 u16 len;
1093 u8 key[16]; /* 40-bit and 104-bit keys */
1094 } wep_key_t;
1095
1096 /* List of Wireless Handlers (new API) */
1097 static const struct iw_handler_def airo_handler_def;
1098
1099 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1100
1101 struct airo_info;
1102
1103 static int get_dec_u16( char *buffer, int *start, int limit );
1104 static void OUT4500( struct airo_info *, u16 register, u16 value );
1105 static unsigned short IN4500( struct airo_info *, u16 register );
1106 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1107 static int enable_MAC(struct airo_info *ai, int lock);
1108 static void disable_MAC(struct airo_info *ai, int lock);
1109 static void enable_interrupts(struct airo_info*);
1110 static void disable_interrupts(struct airo_info*);
1111 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1112 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1113 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1114 int whichbap);
1115 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 int whichbap);
1117 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1118 int whichbap);
1119 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1120 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1121 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1122 *pBuf, int len, int lock);
1123 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1124 int len, int dummy );
1125 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1126 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1127 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1128
1129 static int mpi_send_packet (struct net_device *dev);
1130 static void mpi_unmap_card(struct pci_dev *pci);
1131 static void mpi_receive_802_3(struct airo_info *ai);
1132 static void mpi_receive_802_11(struct airo_info *ai);
1133 static int waitbusy (struct airo_info *ai);
1134
1135 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1136 static int airo_thread(void *data);
1137 static void timer_func( struct net_device *dev );
1138 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1139 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1140 static void airo_read_wireless_stats (struct airo_info *local);
1141 #ifdef CISCO_EXT
1142 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1143 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1144 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1145 #endif /* CISCO_EXT */
1146 static void micinit(struct airo_info *ai);
1147 static int micsetup(struct airo_info *ai);
1148 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1149 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1150
1151 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1152 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1153
1154 static void airo_networks_free(struct airo_info *ai);
1155
1156 struct airo_info {
1157 struct net_device *dev;
1158 struct list_head dev_list;
1159 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1160 use the high bit to mark whether it is in use. */
1161 #define MAX_FIDS 6
1162 #define MPI_MAX_FIDS 1
1163 u32 fids[MAX_FIDS];
1164 ConfigRid config;
1165 char keyindex; // Used with auto wep
1166 char defindex; // Used with auto wep
1167 struct proc_dir_entry *proc_entry;
1168 spinlock_t aux_lock;
1169 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1170 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1171 #define FLAG_RADIO_MASK 0x03
1172 #define FLAG_ENABLED 2
1173 #define FLAG_ADHOC 3 /* Needed by MIC */
1174 #define FLAG_MIC_CAPABLE 4
1175 #define FLAG_UPDATE_MULTI 5
1176 #define FLAG_UPDATE_UNI 6
1177 #define FLAG_802_11 7
1178 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1179 #define FLAG_PENDING_XMIT 9
1180 #define FLAG_PENDING_XMIT11 10
1181 #define FLAG_MPI 11
1182 #define FLAG_REGISTERED 12
1183 #define FLAG_COMMIT 13
1184 #define FLAG_RESET 14
1185 #define FLAG_FLASHING 15
1186 #define FLAG_WPA_CAPABLE 16
1187 unsigned long flags;
1188 #define JOB_DIE 0
1189 #define JOB_XMIT 1
1190 #define JOB_XMIT11 2
1191 #define JOB_STATS 3
1192 #define JOB_PROMISC 4
1193 #define JOB_MIC 5
1194 #define JOB_EVENT 6
1195 #define JOB_AUTOWEP 7
1196 #define JOB_WSTATS 8
1197 #define JOB_SCAN_RESULTS 9
1198 unsigned long jobs;
1199 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1200 int whichbap);
1201 unsigned short *flash;
1202 tdsRssiEntry *rssi;
1203 struct task_struct *list_bss_task;
1204 struct task_struct *airo_thread_task;
1205 struct semaphore sem;
1206 wait_queue_head_t thr_wait;
1207 unsigned long expires;
1208 struct {
1209 struct sk_buff *skb;
1210 int fid;
1211 } xmit, xmit11;
1212 struct net_device *wifidev;
1213 struct iw_statistics wstats; // wireless stats
1214 unsigned long scan_timeout; /* Time scan should be read */
1215 struct iw_spy_data spy_data;
1216 struct iw_public_data wireless_data;
1217 /* MIC stuff */
1218 struct crypto_cipher *tfm;
1219 mic_module mod[2];
1220 mic_statistics micstats;
1221 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1222 HostTxDesc txfids[MPI_MAX_FIDS];
1223 HostRidDesc config_desc;
1224 unsigned long ridbus; // phys addr of config_desc
1225 struct sk_buff_head txq;// tx queue used by mpi350 code
1226 struct pci_dev *pci;
1227 unsigned char __iomem *pcimem;
1228 unsigned char __iomem *pciaux;
1229 unsigned char *shared;
1230 dma_addr_t shared_dma;
1231 pm_message_t power;
1232 SsidRid *SSID;
1233 APListRid *APList;
1234 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1235 char proc_name[IFNAMSIZ];
1236
1237 int wep_capable;
1238 int max_wep_idx;
1239
1240 /* WPA-related stuff */
1241 unsigned int bssListFirst;
1242 unsigned int bssListNext;
1243 unsigned int bssListRidLen;
1244
1245 struct list_head network_list;
1246 struct list_head network_free_list;
1247 BSSListElement *networks;
1248 };
1249
1250 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1251 int whichbap)
1252 {
1253 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1254 }
1255
1256 static int setup_proc_entry( struct net_device *dev,
1257 struct airo_info *apriv );
1258 static int takedown_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260
1261 static int cmdreset(struct airo_info *ai);
1262 static int setflashmode (struct airo_info *ai);
1263 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1264 static int flashputbuf(struct airo_info *ai);
1265 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1266
1267 #define airo_print(type, name, fmt, args...) \
1268 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1269
1270 #define airo_print_info(name, fmt, args...) \
1271 airo_print(KERN_INFO, name, fmt, ##args)
1272
1273 #define airo_print_dbg(name, fmt, args...) \
1274 airo_print(KERN_DEBUG, name, fmt, ##args)
1275
1276 #define airo_print_warn(name, fmt, args...) \
1277 airo_print(KERN_WARNING, name, fmt, ##args)
1278
1279 #define airo_print_err(name, fmt, args...) \
1280 airo_print(KERN_ERR, name, fmt, ##args)
1281
1282 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1283
1284 /***********************************************************************
1285 * MIC ROUTINES *
1286 ***********************************************************************
1287 */
1288
1289 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1290 static void MoveWindow(miccntx *context, u32 micSeq);
1291 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1292 struct crypto_cipher *tfm);
1293 static void emmh32_init(emmh32_context *context);
1294 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1295 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1296 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1297
1298 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1299 struct crypto_cipher *tfm)
1300 {
1301 /* If the current MIC context is valid and its key is the same as
1302 * the MIC register, there's nothing to do.
1303 */
1304 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1305 return;
1306
1307 /* Age current mic Context */
1308 memcpy(old, cur, sizeof(*cur));
1309
1310 /* Initialize new context */
1311 memcpy(cur->key, key, key_len);
1312 cur->window = 33; /* Window always points to the middle */
1313 cur->rx = 0; /* Rx Sequence numbers */
1314 cur->tx = 0; /* Tx sequence numbers */
1315 cur->valid = 1; /* Key is now valid */
1316
1317 /* Give key to mic seed */
1318 emmh32_setseed(&cur->seed, key, key_len, tfm);
1319 }
1320
1321 /* micinit - Initialize mic seed */
1322
1323 static void micinit(struct airo_info *ai)
1324 {
1325 MICRid mic_rid;
1326
1327 clear_bit(JOB_MIC, &ai->jobs);
1328 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1329 up(&ai->sem);
1330
1331 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1332 if (!ai->micstats.enabled) {
1333 /* So next time we have a valid key and mic is enabled, we will
1334 * update the sequence number if the key is the same as before.
1335 */
1336 ai->mod[0].uCtx.valid = 0;
1337 ai->mod[0].mCtx.valid = 0;
1338 return;
1339 }
1340
1341 if (mic_rid.multicastValid) {
1342 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1343 mic_rid.multicast, sizeof(mic_rid.multicast),
1344 ai->tfm);
1345 }
1346
1347 if (mic_rid.unicastValid) {
1348 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1349 mic_rid.unicast, sizeof(mic_rid.unicast),
1350 ai->tfm);
1351 }
1352 }
1353
1354 /* micsetup - Get ready for business */
1355
1356 static int micsetup(struct airo_info *ai) {
1357 int i;
1358
1359 if (ai->tfm == NULL)
1360 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1361
1362 if (IS_ERR(ai->tfm)) {
1363 airo_print_err(ai->dev->name, "failed to load transform for AES");
1364 ai->tfm = NULL;
1365 return ERROR;
1366 }
1367
1368 for (i=0; i < NUM_MODULES; i++) {
1369 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1370 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1371 }
1372 return SUCCESS;
1373 }
1374
1375 static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1376
1377 /*===========================================================================
1378 * Description: Mic a packet
1379 *
1380 * Inputs: etherHead * pointer to an 802.3 frame
1381 *
1382 * Returns: BOOLEAN if successful, otherwise false.
1383 * PacketTxLen will be updated with the mic'd packets size.
1384 *
1385 * Caveats: It is assumed that the frame buffer will already
1386 * be big enough to hold the largets mic message possible.
1387 * (No memory allocation is done here).
1388 *
1389 * Author: sbraneky (10/15/01)
1390 * Merciless hacks by rwilcher (1/14/02)
1391 */
1392
1393 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1394 {
1395 miccntx *context;
1396
1397 // Determine correct context
1398 // If not adhoc, always use unicast key
1399
1400 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1401 context = &ai->mod[0].mCtx;
1402 else
1403 context = &ai->mod[0].uCtx;
1404
1405 if (!context->valid)
1406 return ERROR;
1407
1408 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1409
1410 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1411
1412 // Add Tx sequence
1413 mic->seq = htonl(context->tx);
1414 context->tx += 2;
1415
1416 emmh32_init(&context->seed); // Mic the packet
1417 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1418 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1419 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1420 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1421 emmh32_final(&context->seed, (u8*)&mic->mic);
1422
1423 /* New Type/length ?????????? */
1424 mic->typelen = 0; //Let NIC know it could be an oversized packet
1425 return SUCCESS;
1426 }
1427
1428 typedef enum {
1429 NONE,
1430 NOMIC,
1431 NOMICPLUMMED,
1432 SEQUENCE,
1433 INCORRECTMIC,
1434 } mic_error;
1435
1436 /*===========================================================================
1437 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1438 * (removes the MIC stuff) if packet is a valid packet.
1439 *
1440 * Inputs: etherHead pointer to the 802.3 packet
1441 *
1442 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1443 *
1444 * Author: sbraneky (10/15/01)
1445 * Merciless hacks by rwilcher (1/14/02)
1446 *---------------------------------------------------------------------------
1447 */
1448
1449 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1450 {
1451 int i;
1452 u32 micSEQ;
1453 miccntx *context;
1454 u8 digest[4];
1455 mic_error micError = NONE;
1456
1457 // Check if the packet is a Mic'd packet
1458
1459 if (!ai->micstats.enabled) {
1460 //No Mic set or Mic OFF but we received a MIC'd packet.
1461 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1462 ai->micstats.rxMICPlummed++;
1463 return ERROR;
1464 }
1465 return SUCCESS;
1466 }
1467
1468 if (ntohs(mic->typelen) == 0x888E)
1469 return SUCCESS;
1470
1471 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1472 // Mic enabled but packet isn't Mic'd
1473 ai->micstats.rxMICPlummed++;
1474 return ERROR;
1475 }
1476
1477 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1478
1479 //At this point we a have a mic'd packet and mic is enabled
1480 //Now do the mic error checking.
1481
1482 //Receive seq must be odd
1483 if ( (micSEQ & 1) == 0 ) {
1484 ai->micstats.rxWrongSequence++;
1485 return ERROR;
1486 }
1487
1488 for (i = 0; i < NUM_MODULES; i++) {
1489 int mcast = eth->da[0] & 1;
1490 //Determine proper context
1491 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1492
1493 //Make sure context is valid
1494 if (!context->valid) {
1495 if (i == 0)
1496 micError = NOMICPLUMMED;
1497 continue;
1498 }
1499 //DeMic it
1500
1501 if (!mic->typelen)
1502 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1503
1504 emmh32_init(&context->seed);
1505 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1506 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1507 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1508 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1509 //Calculate MIC
1510 emmh32_final(&context->seed, digest);
1511
1512 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1513 //Invalid Mic
1514 if (i == 0)
1515 micError = INCORRECTMIC;
1516 continue;
1517 }
1518
1519 //Check Sequence number if mics pass
1520 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1521 ai->micstats.rxSuccess++;
1522 return SUCCESS;
1523 }
1524 if (i == 0)
1525 micError = SEQUENCE;
1526 }
1527
1528 // Update statistics
1529 switch (micError) {
1530 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1531 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1532 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1533 case NONE: break;
1534 case NOMIC: break;
1535 }
1536 return ERROR;
1537 }
1538
1539 /*===========================================================================
1540 * Description: Checks the Rx Seq number to make sure it is valid
1541 * and hasn't already been received
1542 *
1543 * Inputs: miccntx - mic context to check seq against
1544 * micSeq - the Mic seq number
1545 *
1546 * Returns: TRUE if valid otherwise FALSE.
1547 *
1548 * Author: sbraneky (10/15/01)
1549 * Merciless hacks by rwilcher (1/14/02)
1550 *---------------------------------------------------------------------------
1551 */
1552
1553 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1554 {
1555 u32 seq,index;
1556
1557 //Allow for the ap being rebooted - if it is then use the next
1558 //sequence number of the current sequence number - might go backwards
1559
1560 if (mcast) {
1561 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1562 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1563 context->window = (micSeq > 33) ? micSeq : 33;
1564 context->rx = 0; // Reset rx
1565 }
1566 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1567 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1568 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1569 context->rx = 0; // Reset rx
1570 }
1571
1572 //Make sequence number relative to START of window
1573 seq = micSeq - (context->window - 33);
1574
1575 //Too old of a SEQ number to check.
1576 if ((s32)seq < 0)
1577 return ERROR;
1578
1579 if ( seq > 64 ) {
1580 //Window is infinite forward
1581 MoveWindow(context,micSeq);
1582 return SUCCESS;
1583 }
1584
1585 // We are in the window. Now check the context rx bit to see if it was already sent
1586 seq >>= 1; //divide by 2 because we only have odd numbers
1587 index = 1 << seq; //Get an index number
1588
1589 if (!(context->rx & index)) {
1590 //micSEQ falls inside the window.
1591 //Add seqence number to the list of received numbers.
1592 context->rx |= index;
1593
1594 MoveWindow(context,micSeq);
1595
1596 return SUCCESS;
1597 }
1598 return ERROR;
1599 }
1600
1601 static void MoveWindow(miccntx *context, u32 micSeq)
1602 {
1603 u32 shift;
1604
1605 //Move window if seq greater than the middle of the window
1606 if (micSeq > context->window) {
1607 shift = (micSeq - context->window) >> 1;
1608
1609 //Shift out old
1610 if (shift < 32)
1611 context->rx >>= shift;
1612 else
1613 context->rx = 0;
1614
1615 context->window = micSeq; //Move window
1616 }
1617 }
1618
1619 /*==============================================*/
1620 /*========== EMMH ROUTINES ====================*/
1621 /*==============================================*/
1622
1623 /* mic accumulate */
1624 #define MIC_ACCUM(val) \
1625 context->accum += (u64)(val) * context->coeff[coeff_position++];
1626
1627 static unsigned char aes_counter[16];
1628
1629 /* expand the key to fill the MMH coefficient array */
1630 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1631 struct crypto_cipher *tfm)
1632 {
1633 /* take the keying material, expand if necessary, truncate at 16-bytes */
1634 /* run through AES counter mode to generate context->coeff[] */
1635
1636 int i,j;
1637 u32 counter;
1638 u8 *cipher, plain[16];
1639
1640 crypto_cipher_setkey(tfm, pkey, 16);
1641 counter = 0;
1642 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1643 aes_counter[15] = (u8)(counter >> 0);
1644 aes_counter[14] = (u8)(counter >> 8);
1645 aes_counter[13] = (u8)(counter >> 16);
1646 aes_counter[12] = (u8)(counter >> 24);
1647 counter++;
1648 memcpy (plain, aes_counter, 16);
1649 crypto_cipher_encrypt_one(tfm, plain, plain);
1650 cipher = plain;
1651 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1652 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1653 j += 4;
1654 }
1655 }
1656 }
1657
1658 /* prepare for calculation of a new mic */
1659 static void emmh32_init(emmh32_context *context)
1660 {
1661 /* prepare for new mic calculation */
1662 context->accum = 0;
1663 context->position = 0;
1664 }
1665
1666 /* add some bytes to the mic calculation */
1667 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1668 {
1669 int coeff_position, byte_position;
1670
1671 if (len == 0) return;
1672
1673 coeff_position = context->position >> 2;
1674
1675 /* deal with partial 32-bit word left over from last update */
1676 byte_position = context->position & 3;
1677 if (byte_position) {
1678 /* have a partial word in part to deal with */
1679 do {
1680 if (len == 0) return;
1681 context->part.d8[byte_position++] = *pOctets++;
1682 context->position++;
1683 len--;
1684 } while (byte_position < 4);
1685 MIC_ACCUM(ntohl(context->part.d32));
1686 }
1687
1688 /* deal with full 32-bit words */
1689 while (len >= 4) {
1690 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1691 context->position += 4;
1692 pOctets += 4;
1693 len -= 4;
1694 }
1695
1696 /* deal with partial 32-bit word that will be left over from this update */
1697 byte_position = 0;
1698 while (len > 0) {
1699 context->part.d8[byte_position++] = *pOctets++;
1700 context->position++;
1701 len--;
1702 }
1703 }
1704
1705 /* mask used to zero empty bytes for final partial word */
1706 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1707
1708 /* calculate the mic */
1709 static void emmh32_final(emmh32_context *context, u8 digest[4])
1710 {
1711 int coeff_position, byte_position;
1712 u32 val;
1713
1714 u64 sum, utmp;
1715 s64 stmp;
1716
1717 coeff_position = context->position >> 2;
1718
1719 /* deal with partial 32-bit word left over from last update */
1720 byte_position = context->position & 3;
1721 if (byte_position) {
1722 /* have a partial word in part to deal with */
1723 val = ntohl(context->part.d32);
1724 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1725 }
1726
1727 /* reduce the accumulated u64 to a 32-bit MIC */
1728 sum = context->accum;
1729 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1730 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1731 sum = utmp & 0xffffffffLL;
1732 if (utmp > 0x10000000fLL)
1733 sum -= 15;
1734
1735 val = (u32)sum;
1736 digest[0] = (val>>24) & 0xFF;
1737 digest[1] = (val>>16) & 0xFF;
1738 digest[2] = (val>>8) & 0xFF;
1739 digest[3] = val & 0xFF;
1740 }
1741
1742 static int readBSSListRid(struct airo_info *ai, int first,
1743 BSSListRid *list)
1744 {
1745 Cmd cmd;
1746 Resp rsp;
1747
1748 if (first == 1) {
1749 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1750 memset(&cmd, 0, sizeof(cmd));
1751 cmd.cmd=CMD_LISTBSS;
1752 if (down_interruptible(&ai->sem))
1753 return -ERESTARTSYS;
1754 ai->list_bss_task = current;
1755 issuecommand(ai, &cmd, &rsp);
1756 up(&ai->sem);
1757 /* Let the command take effect */
1758 schedule_timeout_uninterruptible(3 * HZ);
1759 ai->list_bss_task = NULL;
1760 }
1761 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1762 list, ai->bssListRidLen, 1);
1763 }
1764
1765 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1766 {
1767 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1768 wkr, sizeof(*wkr), lock);
1769 }
1770
1771 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1772 {
1773 int rc;
1774 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1775 if (rc!=SUCCESS)
1776 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1777 if (perm) {
1778 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1779 if (rc!=SUCCESS)
1780 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1781 }
1782 return rc;
1783 }
1784
1785 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1786 {
1787 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1788 }
1789
1790 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1791 {
1792 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1793 }
1794
1795 static int readConfigRid(struct airo_info *ai, int lock)
1796 {
1797 int rc;
1798 ConfigRid cfg;
1799
1800 if (ai->config.len)
1801 return SUCCESS;
1802
1803 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1804 if (rc != SUCCESS)
1805 return rc;
1806
1807 ai->config = cfg;
1808 return SUCCESS;
1809 }
1810
1811 static inline void checkThrottle(struct airo_info *ai)
1812 {
1813 int i;
1814 /* Old hardware had a limit on encryption speed */
1815 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1816 for(i=0; i<8; i++) {
1817 if (ai->config.rates[i] > maxencrypt) {
1818 ai->config.rates[i] = 0;
1819 }
1820 }
1821 }
1822 }
1823
1824 static int writeConfigRid(struct airo_info *ai, int lock)
1825 {
1826 ConfigRid cfgr;
1827
1828 if (!test_bit (FLAG_COMMIT, &ai->flags))
1829 return SUCCESS;
1830
1831 clear_bit (FLAG_COMMIT, &ai->flags);
1832 clear_bit (FLAG_RESET, &ai->flags);
1833 checkThrottle(ai);
1834 cfgr = ai->config;
1835
1836 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1837 set_bit(FLAG_ADHOC, &ai->flags);
1838 else
1839 clear_bit(FLAG_ADHOC, &ai->flags);
1840
1841 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1842 }
1843
1844 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1845 {
1846 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1847 }
1848
1849 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1850 {
1851 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1852 }
1853
1854 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1855 {
1856 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1857 }
1858
1859 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1860 {
1861 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1862 }
1863
1864 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1865 {
1866 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1867 }
1868
1869 static void try_auto_wep(struct airo_info *ai)
1870 {
1871 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1872 ai->expires = RUN_AT(3*HZ);
1873 wake_up_interruptible(&ai->thr_wait);
1874 }
1875 }
1876
1877 static int airo_open(struct net_device *dev) {
1878 struct airo_info *ai = dev->ml_priv;
1879 int rc = 0;
1880
1881 if (test_bit(FLAG_FLASHING, &ai->flags))
1882 return -EIO;
1883
1884 /* Make sure the card is configured.
1885 * Wireless Extensions may postpone config changes until the card
1886 * is open (to pipeline changes and speed-up card setup). If
1887 * those changes are not yet commited, do it now - Jean II */
1888 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1889 disable_MAC(ai, 1);
1890 writeConfigRid(ai, 1);
1891 }
1892
1893 if (ai->wifidev != dev) {
1894 clear_bit(JOB_DIE, &ai->jobs);
1895 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1896 if (IS_ERR(ai->airo_thread_task))
1897 return (int)PTR_ERR(ai->airo_thread_task);
1898
1899 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1900 dev->name, dev);
1901 if (rc) {
1902 airo_print_err(dev->name,
1903 "register interrupt %d failed, rc %d",
1904 dev->irq, rc);
1905 set_bit(JOB_DIE, &ai->jobs);
1906 kthread_stop(ai->airo_thread_task);
1907 return rc;
1908 }
1909
1910 /* Power on the MAC controller (which may have been disabled) */
1911 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1912 enable_interrupts(ai);
1913
1914 try_auto_wep(ai);
1915 }
1916 enable_MAC(ai, 1);
1917
1918 netif_start_queue(dev);
1919 return 0;
1920 }
1921
1922 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1923 struct net_device *dev)
1924 {
1925 int npacks, pending;
1926 unsigned long flags;
1927 struct airo_info *ai = dev->ml_priv;
1928
1929 if (!skb) {
1930 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1931 return NETDEV_TX_OK;
1932 }
1933 npacks = skb_queue_len (&ai->txq);
1934
1935 if (npacks >= MAXTXQ - 1) {
1936 netif_stop_queue (dev);
1937 if (npacks > MAXTXQ) {
1938 dev->stats.tx_fifo_errors++;
1939 return NETDEV_TX_BUSY;
1940 }
1941 skb_queue_tail (&ai->txq, skb);
1942 return NETDEV_TX_OK;
1943 }
1944
1945 spin_lock_irqsave(&ai->aux_lock, flags);
1946 skb_queue_tail (&ai->txq, skb);
1947 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1948 spin_unlock_irqrestore(&ai->aux_lock,flags);
1949 netif_wake_queue (dev);
1950
1951 if (pending == 0) {
1952 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1953 mpi_send_packet (dev);
1954 }
1955 return NETDEV_TX_OK;
1956 }
1957
1958 /*
1959 * @mpi_send_packet
1960 *
1961 * Attempt to transmit a packet. Can be called from interrupt
1962 * or transmit . return number of packets we tried to send
1963 */
1964
1965 static int mpi_send_packet (struct net_device *dev)
1966 {
1967 struct sk_buff *skb;
1968 unsigned char *buffer;
1969 s16 len;
1970 __le16 *payloadLen;
1971 struct airo_info *ai = dev->ml_priv;
1972 u8 *sendbuf;
1973
1974 /* get a packet to send */
1975
1976 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1977 airo_print_err(dev->name,
1978 "%s: Dequeue'd zero in send_packet()",
1979 __func__);
1980 return 0;
1981 }
1982
1983 /* check min length*/
1984 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1985 buffer = skb->data;
1986
1987 ai->txfids[0].tx_desc.offset = 0;
1988 ai->txfids[0].tx_desc.valid = 1;
1989 ai->txfids[0].tx_desc.eoc = 1;
1990 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1991
1992 /*
1993 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1994 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1995 * is immediatly after it. ------------------------------------------------
1996 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1997 * ------------------------------------------------
1998 */
1999
2000 memcpy((char *)ai->txfids[0].virtual_host_addr,
2001 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2002
2003 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2004 sizeof(wifictlhdr8023));
2005 sendbuf = ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023) + 2 ;
2007
2008 /*
2009 * Firmware automaticly puts 802 header on so
2010 * we don't need to account for it in the length
2011 */
2012 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2013 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2014 MICBuffer pMic;
2015
2016 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2017 return ERROR;
2018
2019 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2020 ai->txfids[0].tx_desc.len += sizeof(pMic);
2021 /* copy data into airo dma buffer */
2022 memcpy (sendbuf, buffer, sizeof(etherHead));
2023 buffer += sizeof(etherHead);
2024 sendbuf += sizeof(etherHead);
2025 memcpy (sendbuf, &pMic, sizeof(pMic));
2026 sendbuf += sizeof(pMic);
2027 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2028 } else {
2029 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2030
2031 dev->trans_start = jiffies;
2032
2033 /* copy data into airo dma buffer */
2034 memcpy(sendbuf, buffer, len);
2035 }
2036
2037 memcpy_toio(ai->txfids[0].card_ram_off,
2038 &ai->txfids[0].tx_desc, sizeof(TxFid));
2039
2040 OUT4500(ai, EVACK, 8);
2041
2042 dev_kfree_skb_any(skb);
2043 return 1;
2044 }
2045
2046 static void get_tx_error(struct airo_info *ai, s32 fid)
2047 {
2048 __le16 status;
2049
2050 if (fid < 0)
2051 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2052 else {
2053 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2054 return;
2055 bap_read(ai, &status, 2, BAP0);
2056 }
2057 if (le16_to_cpu(status) & 2) /* Too many retries */
2058 ai->dev->stats.tx_aborted_errors++;
2059 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2060 ai->dev->stats.tx_heartbeat_errors++;
2061 if (le16_to_cpu(status) & 8) /* Aid fail */
2062 { }
2063 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2064 ai->dev->stats.tx_carrier_errors++;
2065 if (le16_to_cpu(status) & 0x20) /* Association lost */
2066 { }
2067 /* We produce a TXDROP event only for retry or lifetime
2068 * exceeded, because that's the only status that really mean
2069 * that this particular node went away.
2070 * Other errors means that *we* screwed up. - Jean II */
2071 if ((le16_to_cpu(status) & 2) ||
2072 (le16_to_cpu(status) & 4)) {
2073 union iwreq_data wrqu;
2074 char junk[0x18];
2075
2076 /* Faster to skip over useless data than to do
2077 * another bap_setup(). We are at offset 0x6 and
2078 * need to go to 0x18 and read 6 bytes - Jean II */
2079 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2080
2081 /* Copy 802.11 dest address.
2082 * We use the 802.11 header because the frame may
2083 * not be 802.3 or may be mangled...
2084 * In Ad-Hoc mode, it will be the node address.
2085 * In managed mode, it will be most likely the AP addr
2086 * User space will figure out how to convert it to
2087 * whatever it needs (IP address or else).
2088 * - Jean II */
2089 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2090 wrqu.addr.sa_family = ARPHRD_ETHER;
2091
2092 /* Send event to user space */
2093 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2094 }
2095 }
2096
2097 static void airo_end_xmit(struct net_device *dev) {
2098 u16 status;
2099 int i;
2100 struct airo_info *priv = dev->ml_priv;
2101 struct sk_buff *skb = priv->xmit.skb;
2102 int fid = priv->xmit.fid;
2103 u32 *fids = priv->fids;
2104
2105 clear_bit(JOB_XMIT, &priv->jobs);
2106 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2107 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2108 up(&priv->sem);
2109
2110 i = 0;
2111 if ( status == SUCCESS ) {
2112 dev->trans_start = jiffies;
2113 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2114 } else {
2115 priv->fids[fid] &= 0xffff;
2116 dev->stats.tx_window_errors++;
2117 }
2118 if (i < MAX_FIDS / 2)
2119 netif_wake_queue(dev);
2120 dev_kfree_skb(skb);
2121 }
2122
2123 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2124 struct net_device *dev)
2125 {
2126 s16 len;
2127 int i, j;
2128 struct airo_info *priv = dev->ml_priv;
2129 u32 *fids = priv->fids;
2130
2131 if ( skb == NULL ) {
2132 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2133 return NETDEV_TX_OK;
2134 }
2135
2136 /* Find a vacant FID */
2137 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2138 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2139
2140 if ( j >= MAX_FIDS / 2 ) {
2141 netif_stop_queue(dev);
2142
2143 if (i == MAX_FIDS / 2) {
2144 dev->stats.tx_fifo_errors++;
2145 return NETDEV_TX_BUSY;
2146 }
2147 }
2148 /* check min length*/
2149 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2150 /* Mark fid as used & save length for later */
2151 fids[i] |= (len << 16);
2152 priv->xmit.skb = skb;
2153 priv->xmit.fid = i;
2154 if (down_trylock(&priv->sem) != 0) {
2155 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2156 netif_stop_queue(dev);
2157 set_bit(JOB_XMIT, &priv->jobs);
2158 wake_up_interruptible(&priv->thr_wait);
2159 } else
2160 airo_end_xmit(dev);
2161 return NETDEV_TX_OK;
2162 }
2163
2164 static void airo_end_xmit11(struct net_device *dev) {
2165 u16 status;
2166 int i;
2167 struct airo_info *priv = dev->ml_priv;
2168 struct sk_buff *skb = priv->xmit11.skb;
2169 int fid = priv->xmit11.fid;
2170 u32 *fids = priv->fids;
2171
2172 clear_bit(JOB_XMIT11, &priv->jobs);
2173 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2174 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2175 up(&priv->sem);
2176
2177 i = MAX_FIDS / 2;
2178 if ( status == SUCCESS ) {
2179 dev->trans_start = jiffies;
2180 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2181 } else {
2182 priv->fids[fid] &= 0xffff;
2183 dev->stats.tx_window_errors++;
2184 }
2185 if (i < MAX_FIDS)
2186 netif_wake_queue(dev);
2187 dev_kfree_skb(skb);
2188 }
2189
2190 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2191 struct net_device *dev)
2192 {
2193 s16 len;
2194 int i, j;
2195 struct airo_info *priv = dev->ml_priv;
2196 u32 *fids = priv->fids;
2197
2198 if (test_bit(FLAG_MPI, &priv->flags)) {
2199 /* Not implemented yet for MPI350 */
2200 netif_stop_queue(dev);
2201 dev_kfree_skb_any(skb);
2202 return NETDEV_TX_OK;
2203 }
2204
2205 if ( skb == NULL ) {
2206 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2207 return NETDEV_TX_OK;
2208 }
2209
2210 /* Find a vacant FID */
2211 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2212 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2213
2214 if ( j >= MAX_FIDS ) {
2215 netif_stop_queue(dev);
2216
2217 if (i == MAX_FIDS) {
2218 dev->stats.tx_fifo_errors++;
2219 return NETDEV_TX_BUSY;
2220 }
2221 }
2222 /* check min length*/
2223 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2224 /* Mark fid as used & save length for later */
2225 fids[i] |= (len << 16);
2226 priv->xmit11.skb = skb;
2227 priv->xmit11.fid = i;
2228 if (down_trylock(&priv->sem) != 0) {
2229 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2230 netif_stop_queue(dev);
2231 set_bit(JOB_XMIT11, &priv->jobs);
2232 wake_up_interruptible(&priv->thr_wait);
2233 } else
2234 airo_end_xmit11(dev);
2235 return NETDEV_TX_OK;
2236 }
2237
2238 static void airo_read_stats(struct net_device *dev)
2239 {
2240 struct airo_info *ai = dev->ml_priv;
2241 StatsRid stats_rid;
2242 __le32 *vals = stats_rid.vals;
2243
2244 clear_bit(JOB_STATS, &ai->jobs);
2245 if (ai->power.event) {
2246 up(&ai->sem);
2247 return;
2248 }
2249 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2250 up(&ai->sem);
2251
2252 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2253 le32_to_cpu(vals[45]);
2254 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2255 le32_to_cpu(vals[41]);
2256 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2257 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2258 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2259 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2260 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2261 dev->stats.tx_fifo_errors;
2262 dev->stats.multicast = le32_to_cpu(vals[43]);
2263 dev->stats.collisions = le32_to_cpu(vals[89]);
2264
2265 /* detailed rx_errors: */
2266 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2267 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2268 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2269 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2270 }
2271
2272 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2273 {
2274 struct airo_info *local = dev->ml_priv;
2275
2276 if (!test_bit(JOB_STATS, &local->jobs)) {
2277 /* Get stats out of the card if available */
2278 if (down_trylock(&local->sem) != 0) {
2279 set_bit(JOB_STATS, &local->jobs);
2280 wake_up_interruptible(&local->thr_wait);
2281 } else
2282 airo_read_stats(dev);
2283 }
2284
2285 return &dev->stats;
2286 }
2287
2288 static void airo_set_promisc(struct airo_info *ai) {
2289 Cmd cmd;
2290 Resp rsp;
2291
2292 memset(&cmd, 0, sizeof(cmd));
2293 cmd.cmd=CMD_SETMODE;
2294 clear_bit(JOB_PROMISC, &ai->jobs);
2295 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2296 issuecommand(ai, &cmd, &rsp);
2297 up(&ai->sem);
2298 }
2299
2300 static void airo_set_multicast_list(struct net_device *dev) {
2301 struct airo_info *ai = dev->ml_priv;
2302
2303 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2304 change_bit(FLAG_PROMISC, &ai->flags);
2305 if (down_trylock(&ai->sem) != 0) {
2306 set_bit(JOB_PROMISC, &ai->jobs);
2307 wake_up_interruptible(&ai->thr_wait);
2308 } else
2309 airo_set_promisc(ai);
2310 }
2311
2312 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2313 /* Turn on multicast. (Should be already setup...) */
2314 }
2315 }
2316
2317 static int airo_set_mac_address(struct net_device *dev, void *p)
2318 {
2319 struct airo_info *ai = dev->ml_priv;
2320 struct sockaddr *addr = p;
2321
2322 readConfigRid(ai, 1);
2323 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2324 set_bit (FLAG_COMMIT, &ai->flags);
2325 disable_MAC(ai, 1);
2326 writeConfigRid (ai, 1);
2327 enable_MAC(ai, 1);
2328 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2329 if (ai->wifidev)
2330 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2331 return 0;
2332 }
2333
2334 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2335 {
2336 if ((new_mtu < 68) || (new_mtu > 2400))
2337 return -EINVAL;
2338 dev->mtu = new_mtu;
2339 return 0;
2340 }
2341
2342 static LIST_HEAD(airo_devices);
2343
2344 static void add_airo_dev(struct airo_info *ai)
2345 {
2346 /* Upper layers already keep track of PCI devices,
2347 * so we only need to remember our non-PCI cards. */
2348 if (!ai->pci)
2349 list_add_tail(&ai->dev_list, &airo_devices);
2350 }
2351
2352 static void del_airo_dev(struct airo_info *ai)
2353 {
2354 if (!ai->pci)
2355 list_del(&ai->dev_list);
2356 }
2357
2358 static int airo_close(struct net_device *dev) {
2359 struct airo_info *ai = dev->ml_priv;
2360
2361 netif_stop_queue(dev);
2362
2363 if (ai->wifidev != dev) {
2364 #ifdef POWER_ON_DOWN
2365 /* Shut power to the card. The idea is that the user can save
2366 * power when he doesn't need the card with "ifconfig down".
2367 * That's the method that is most friendly towards the network
2368 * stack (i.e. the network stack won't try to broadcast
2369 * anything on the interface and routes are gone. Jean II */
2370 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2371 disable_MAC(ai, 1);
2372 #endif
2373 disable_interrupts( ai );
2374
2375 free_irq(dev->irq, dev);
2376
2377 set_bit(JOB_DIE, &ai->jobs);
2378 kthread_stop(ai->airo_thread_task);
2379 }
2380 return 0;
2381 }
2382
2383 void stop_airo_card( struct net_device *dev, int freeres )
2384 {
2385 struct airo_info *ai = dev->ml_priv;
2386
2387 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2388 disable_MAC(ai, 1);
2389 disable_interrupts(ai);
2390 takedown_proc_entry( dev, ai );
2391 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2392 unregister_netdev( dev );
2393 if (ai->wifidev) {
2394 unregister_netdev(ai->wifidev);
2395 free_netdev(ai->wifidev);
2396 ai->wifidev = NULL;
2397 }
2398 clear_bit(FLAG_REGISTERED, &ai->flags);
2399 }
2400 /*
2401 * Clean out tx queue
2402 */
2403 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2404 struct sk_buff *skb = NULL;
2405 for (;(skb = skb_dequeue(&ai->txq));)
2406 dev_kfree_skb(skb);
2407 }
2408
2409 airo_networks_free (ai);
2410
2411 kfree(ai->flash);
2412 kfree(ai->rssi);
2413 kfree(ai->APList);
2414 kfree(ai->SSID);
2415 if (freeres) {
2416 /* PCMCIA frees this stuff, so only for PCI and ISA */
2417 release_region( dev->base_addr, 64 );
2418 if (test_bit(FLAG_MPI, &ai->flags)) {
2419 if (ai->pci)
2420 mpi_unmap_card(ai->pci);
2421 if (ai->pcimem)
2422 iounmap(ai->pcimem);
2423 if (ai->pciaux)
2424 iounmap(ai->pciaux);
2425 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2426 ai->shared, ai->shared_dma);
2427 }
2428 }
2429 crypto_free_cipher(ai->tfm);
2430 del_airo_dev(ai);
2431 free_netdev( dev );
2432 }
2433
2434 EXPORT_SYMBOL(stop_airo_card);
2435
2436 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2437 {
2438 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2439 return ETH_ALEN;
2440 }
2441
2442 static void mpi_unmap_card(struct pci_dev *pci)
2443 {
2444 unsigned long mem_start = pci_resource_start(pci, 1);
2445 unsigned long mem_len = pci_resource_len(pci, 1);
2446 unsigned long aux_start = pci_resource_start(pci, 2);
2447 unsigned long aux_len = AUXMEMSIZE;
2448
2449 release_mem_region(aux_start, aux_len);
2450 release_mem_region(mem_start, mem_len);
2451 }
2452
2453 /*************************************************************
2454 * This routine assumes that descriptors have been setup .
2455 * Run at insmod time or after reset when the decriptors
2456 * have been initialized . Returns 0 if all is well nz
2457 * otherwise . Does not allocate memory but sets up card
2458 * using previously allocated descriptors.
2459 */
2460 static int mpi_init_descriptors (struct airo_info *ai)
2461 {
2462 Cmd cmd;
2463 Resp rsp;
2464 int i;
2465 int rc = SUCCESS;
2466
2467 /* Alloc card RX descriptors */
2468 netif_stop_queue(ai->dev);
2469
2470 memset(&rsp,0,sizeof(rsp));
2471 memset(&cmd,0,sizeof(cmd));
2472
2473 cmd.cmd = CMD_ALLOCATEAUX;
2474 cmd.parm0 = FID_RX;
2475 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2476 cmd.parm2 = MPI_MAX_FIDS;
2477 rc=issuecommand(ai, &cmd, &rsp);
2478 if (rc != SUCCESS) {
2479 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2480 return rc;
2481 }
2482
2483 for (i=0; i<MPI_MAX_FIDS; i++) {
2484 memcpy_toio(ai->rxfids[i].card_ram_off,
2485 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2486 }
2487
2488 /* Alloc card TX descriptors */
2489
2490 memset(&rsp,0,sizeof(rsp));
2491 memset(&cmd,0,sizeof(cmd));
2492
2493 cmd.cmd = CMD_ALLOCATEAUX;
2494 cmd.parm0 = FID_TX;
2495 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2496 cmd.parm2 = MPI_MAX_FIDS;
2497
2498 for (i=0; i<MPI_MAX_FIDS; i++) {
2499 ai->txfids[i].tx_desc.valid = 1;
2500 memcpy_toio(ai->txfids[i].card_ram_off,
2501 &ai->txfids[i].tx_desc, sizeof(TxFid));
2502 }
2503 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2504
2505 rc=issuecommand(ai, &cmd, &rsp);
2506 if (rc != SUCCESS) {
2507 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2508 return rc;
2509 }
2510
2511 /* Alloc card Rid descriptor */
2512 memset(&rsp,0,sizeof(rsp));
2513 memset(&cmd,0,sizeof(cmd));
2514
2515 cmd.cmd = CMD_ALLOCATEAUX;
2516 cmd.parm0 = RID_RW;
2517 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2518 cmd.parm2 = 1; /* Magic number... */
2519 rc=issuecommand(ai, &cmd, &rsp);
2520 if (rc != SUCCESS) {
2521 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2522 return rc;
2523 }
2524
2525 memcpy_toio(ai->config_desc.card_ram_off,
2526 &ai->config_desc.rid_desc, sizeof(Rid));
2527
2528 return rc;
2529 }
2530
2531 /*
2532 * We are setting up three things here:
2533 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2534 * 2) Map PCI memory for issueing commands.
2535 * 3) Allocate memory (shared) to send and receive ethernet frames.
2536 */
2537 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2538 {
2539 unsigned long mem_start, mem_len, aux_start, aux_len;
2540 int rc = -1;
2541 int i;
2542 dma_addr_t busaddroff;
2543 unsigned char *vpackoff;
2544 unsigned char __iomem *pciaddroff;
2545
2546 mem_start = pci_resource_start(pci, 1);
2547 mem_len = pci_resource_len(pci, 1);
2548 aux_start = pci_resource_start(pci, 2);
2549 aux_len = AUXMEMSIZE;
2550
2551 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2552 airo_print_err("", "Couldn't get region %x[%x]",
2553 (int)mem_start, (int)mem_len);
2554 goto out;
2555 }
2556 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2557 airo_print_err("", "Couldn't get region %x[%x]",
2558 (int)aux_start, (int)aux_len);
2559 goto free_region1;
2560 }
2561
2562 ai->pcimem = ioremap(mem_start, mem_len);
2563 if (!ai->pcimem) {
2564 airo_print_err("", "Couldn't map region %x[%x]",
2565 (int)mem_start, (int)mem_len);
2566 goto free_region2;
2567 }
2568 ai->pciaux = ioremap(aux_start, aux_len);
2569 if (!ai->pciaux) {
2570 airo_print_err("", "Couldn't map region %x[%x]",
2571 (int)aux_start, (int)aux_len);
2572 goto free_memmap;
2573 }
2574
2575 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2576 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2577 if (!ai->shared) {
2578 airo_print_err("", "Couldn't alloc_consistent %d",
2579 PCI_SHARED_LEN);
2580 goto free_auxmap;
2581 }
2582
2583 /*
2584 * Setup descriptor RX, TX, CONFIG
2585 */
2586 busaddroff = ai->shared_dma;
2587 pciaddroff = ai->pciaux + AUX_OFFSET;
2588 vpackoff = ai->shared;
2589
2590 /* RX descriptor setup */
2591 for(i = 0; i < MPI_MAX_FIDS; i++) {
2592 ai->rxfids[i].pending = 0;
2593 ai->rxfids[i].card_ram_off = pciaddroff;
2594 ai->rxfids[i].virtual_host_addr = vpackoff;
2595 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2596 ai->rxfids[i].rx_desc.valid = 1;
2597 ai->rxfids[i].rx_desc.len = PKTSIZE;
2598 ai->rxfids[i].rx_desc.rdy = 0;
2599
2600 pciaddroff += sizeof(RxFid);
2601 busaddroff += PKTSIZE;
2602 vpackoff += PKTSIZE;
2603 }
2604
2605 /* TX descriptor setup */
2606 for(i = 0; i < MPI_MAX_FIDS; i++) {
2607 ai->txfids[i].card_ram_off = pciaddroff;
2608 ai->txfids[i].virtual_host_addr = vpackoff;
2609 ai->txfids[i].tx_desc.valid = 1;
2610 ai->txfids[i].tx_desc.host_addr = busaddroff;
2611 memcpy(ai->txfids[i].virtual_host_addr,
2612 &wifictlhdr8023, sizeof(wifictlhdr8023));
2613
2614 pciaddroff += sizeof(TxFid);
2615 busaddroff += PKTSIZE;
2616 vpackoff += PKTSIZE;
2617 }
2618 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2619
2620 /* Rid descriptor setup */
2621 ai->config_desc.card_ram_off = pciaddroff;
2622 ai->config_desc.virtual_host_addr = vpackoff;
2623 ai->config_desc.rid_desc.host_addr = busaddroff;
2624 ai->ridbus = busaddroff;
2625 ai->config_desc.rid_desc.rid = 0;
2626 ai->config_desc.rid_desc.len = RIDSIZE;
2627 ai->config_desc.rid_desc.valid = 1;
2628 pciaddroff += sizeof(Rid);
2629 busaddroff += RIDSIZE;
2630 vpackoff += RIDSIZE;
2631
2632 /* Tell card about descriptors */
2633 if (mpi_init_descriptors (ai) != SUCCESS)
2634 goto free_shared;
2635
2636 return 0;
2637 free_shared:
2638 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2639 free_auxmap:
2640 iounmap(ai->pciaux);
2641 free_memmap:
2642 iounmap(ai->pcimem);
2643 free_region2:
2644 release_mem_region(aux_start, aux_len);
2645 free_region1:
2646 release_mem_region(mem_start, mem_len);
2647 out:
2648 return rc;
2649 }
2650
2651 static const struct header_ops airo_header_ops = {
2652 .parse = wll_header_parse,
2653 };
2654
2655 static const struct net_device_ops airo11_netdev_ops = {
2656 .ndo_open = airo_open,
2657 .ndo_stop = airo_close,
2658 .ndo_start_xmit = airo_start_xmit11,
2659 .ndo_get_stats = airo_get_stats,
2660 .ndo_set_mac_address = airo_set_mac_address,
2661 .ndo_do_ioctl = airo_ioctl,
2662 .ndo_change_mtu = airo_change_mtu,
2663 };
2664
2665 static void wifi_setup(struct net_device *dev)
2666 {
2667 dev->netdev_ops = &airo11_netdev_ops;
2668 dev->header_ops = &airo_header_ops;
2669 dev->wireless_handlers = &airo_handler_def;
2670
2671 dev->type = ARPHRD_IEEE80211;
2672 dev->hard_header_len = ETH_HLEN;
2673 dev->mtu = AIRO_DEF_MTU;
2674 dev->addr_len = ETH_ALEN;
2675 dev->tx_queue_len = 100;
2676
2677 memset(dev->broadcast,0xFF, ETH_ALEN);
2678
2679 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2680 }
2681
2682 static struct net_device *init_wifidev(struct airo_info *ai,
2683 struct net_device *ethdev)
2684 {
2685 int err;
2686 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2687 if (!dev)
2688 return NULL;
2689 dev->ml_priv = ethdev->ml_priv;
2690 dev->irq = ethdev->irq;
2691 dev->base_addr = ethdev->base_addr;
2692 dev->wireless_data = ethdev->wireless_data;
2693 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2694 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2695 err = register_netdev(dev);
2696 if (err<0) {
2697 free_netdev(dev);
2698 return NULL;
2699 }
2700 return dev;
2701 }
2702
2703 static int reset_card( struct net_device *dev , int lock) {
2704 struct airo_info *ai = dev->ml_priv;
2705
2706 if (lock && down_interruptible(&ai->sem))
2707 return -1;
2708 waitbusy (ai);
2709 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2710 msleep(200);
2711 waitbusy (ai);
2712 msleep(200);
2713 if (lock)
2714 up(&ai->sem);
2715 return 0;
2716 }
2717
2718 #define AIRO_MAX_NETWORK_COUNT 64
2719 static int airo_networks_allocate(struct airo_info *ai)
2720 {
2721 if (ai->networks)
2722 return 0;
2723
2724 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2725 GFP_KERNEL);
2726 if (!ai->networks) {
2727 airo_print_warn("", "Out of memory allocating beacons");
2728 return -ENOMEM;
2729 }
2730
2731 return 0;
2732 }
2733
2734 static void airo_networks_free(struct airo_info *ai)
2735 {
2736 kfree(ai->networks);
2737 ai->networks = NULL;
2738 }
2739
2740 static void airo_networks_initialize(struct airo_info *ai)
2741 {
2742 int i;
2743
2744 INIT_LIST_HEAD(&ai->network_free_list);
2745 INIT_LIST_HEAD(&ai->network_list);
2746 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2747 list_add_tail(&ai->networks[i].list,
2748 &ai->network_free_list);
2749 }
2750
2751 static const struct net_device_ops airo_netdev_ops = {
2752 .ndo_open = airo_open,
2753 .ndo_stop = airo_close,
2754 .ndo_start_xmit = airo_start_xmit,
2755 .ndo_get_stats = airo_get_stats,
2756 .ndo_set_multicast_list = airo_set_multicast_list,
2757 .ndo_set_mac_address = airo_set_mac_address,
2758 .ndo_do_ioctl = airo_ioctl,
2759 .ndo_change_mtu = airo_change_mtu,
2760 .ndo_validate_addr = eth_validate_addr,
2761 };
2762
2763 static const struct net_device_ops mpi_netdev_ops = {
2764 .ndo_open = airo_open,
2765 .ndo_stop = airo_close,
2766 .ndo_start_xmit = mpi_start_xmit,
2767 .ndo_get_stats = airo_get_stats,
2768 .ndo_set_multicast_list = airo_set_multicast_list,
2769 .ndo_set_mac_address = airo_set_mac_address,
2770 .ndo_do_ioctl = airo_ioctl,
2771 .ndo_change_mtu = airo_change_mtu,
2772 .ndo_validate_addr = eth_validate_addr,
2773 };
2774
2775
2776 static struct net_device *_init_airo_card( unsigned short irq, int port,
2777 int is_pcmcia, struct pci_dev *pci,
2778 struct device *dmdev )
2779 {
2780 struct net_device *dev;
2781 struct airo_info *ai;
2782 int i, rc;
2783 CapabilityRid cap_rid;
2784
2785 /* Create the network device object. */
2786 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2787 if (!dev) {
2788 airo_print_err("", "Couldn't alloc_etherdev");
2789 return NULL;
2790 }
2791
2792 ai = dev->ml_priv = netdev_priv(dev);
2793 ai->wifidev = NULL;
2794 ai->flags = 1 << FLAG_RADIO_DOWN;
2795 ai->jobs = 0;
2796 ai->dev = dev;
2797 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2798 airo_print_dbg("", "Found an MPI350 card");
2799 set_bit(FLAG_MPI, &ai->flags);
2800 }
2801 spin_lock_init(&ai->aux_lock);
2802 sema_init(&ai->sem, 1);
2803 ai->config.len = 0;
2804 ai->pci = pci;
2805 init_waitqueue_head (&ai->thr_wait);
2806 ai->tfm = NULL;
2807 add_airo_dev(ai);
2808
2809 if (airo_networks_allocate (ai))
2810 goto err_out_free;
2811 airo_networks_initialize (ai);
2812
2813 skb_queue_head_init (&ai->txq);
2814
2815 /* The Airo-specific entries in the device structure. */
2816 if (test_bit(FLAG_MPI,&ai->flags))
2817 dev->netdev_ops = &mpi_netdev_ops;
2818 else
2819 dev->netdev_ops = &airo_netdev_ops;
2820 dev->wireless_handlers = &airo_handler_def;
2821 ai->wireless_data.spy_data = &ai->spy_data;
2822 dev->wireless_data = &ai->wireless_data;
2823 dev->irq = irq;
2824 dev->base_addr = port;
2825
2826 SET_NETDEV_DEV(dev, dmdev);
2827
2828 reset_card (dev, 1);
2829 msleep(400);
2830
2831 if (!is_pcmcia) {
2832 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2833 rc = -EBUSY;
2834 airo_print_err(dev->name, "Couldn't request region");
2835 goto err_out_nets;
2836 }
2837 }
2838
2839 if (test_bit(FLAG_MPI,&ai->flags)) {
2840 if (mpi_map_card(ai, pci)) {
2841 airo_print_err("", "Could not map memory");
2842 goto err_out_res;
2843 }
2844 }
2845
2846 if (probe) {
2847 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2848 airo_print_err(dev->name, "MAC could not be enabled" );
2849 rc = -EIO;
2850 goto err_out_map;
2851 }
2852 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2853 ai->bap_read = fast_bap_read;
2854 set_bit(FLAG_FLASHING, &ai->flags);
2855 }
2856
2857 strcpy(dev->name, "eth%d");
2858 rc = register_netdev(dev);
2859 if (rc) {
2860 airo_print_err(dev->name, "Couldn't register_netdev");
2861 goto err_out_map;
2862 }
2863 ai->wifidev = init_wifidev(ai, dev);
2864 if (!ai->wifidev)
2865 goto err_out_reg;
2866
2867 rc = readCapabilityRid(ai, &cap_rid, 1);
2868 if (rc != SUCCESS) {
2869 rc = -EIO;
2870 goto err_out_wifi;
2871 }
2872 /* WEP capability discovery */
2873 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2874 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2875
2876 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2877 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2878 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2879 le16_to_cpu(cap_rid.softSubVer));
2880
2881 /* Test for WPA support */
2882 /* Only firmware versions 5.30.17 or better can do WPA */
2883 if (le16_to_cpu(cap_rid.softVer) > 0x530
2884 || (le16_to_cpu(cap_rid.softVer) == 0x530
2885 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2886 airo_print_info(ai->dev->name, "WPA supported.");
2887
2888 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2889 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2890 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2891 ai->bssListRidLen = sizeof(BSSListRid);
2892 } else {
2893 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2894 "versions older than 5.30.17.");
2895
2896 ai->bssListFirst = RID_BSSLISTFIRST;
2897 ai->bssListNext = RID_BSSLISTNEXT;
2898 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2899 }
2900
2901 set_bit(FLAG_REGISTERED,&ai->flags);
2902 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2903
2904 /* Allocate the transmit buffers */
2905 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2906 for( i = 0; i < MAX_FIDS; i++ )
2907 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2908
2909 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2910 goto err_out_wifi;
2911
2912 return dev;
2913
2914 err_out_wifi:
2915 unregister_netdev(ai->wifidev);
2916 free_netdev(ai->wifidev);
2917 err_out_reg:
2918 unregister_netdev(dev);
2919 err_out_map:
2920 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2921 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2922 iounmap(ai->pciaux);
2923 iounmap(ai->pcimem);
2924 mpi_unmap_card(ai->pci);
2925 }
2926 err_out_res:
2927 if (!is_pcmcia)
2928 release_region( dev->base_addr, 64 );
2929 err_out_nets:
2930 airo_networks_free(ai);
2931 err_out_free:
2932 del_airo_dev(ai);
2933 free_netdev(dev);
2934 return NULL;
2935 }
2936
2937 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2938 struct device *dmdev)
2939 {
2940 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2941 }
2942
2943 EXPORT_SYMBOL(init_airo_card);
2944
2945 static int waitbusy (struct airo_info *ai) {
2946 int delay = 0;
2947 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2948 udelay (10);
2949 if ((++delay % 20) == 0)
2950 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2951 }
2952 return delay < 10000;
2953 }
2954
2955 int reset_airo_card( struct net_device *dev )
2956 {
2957 int i;
2958 struct airo_info *ai = dev->ml_priv;
2959
2960 if (reset_card (dev, 1))
2961 return -1;
2962
2963 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2964 airo_print_err(dev->name, "MAC could not be enabled");
2965 return -1;
2966 }
2967 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2968 /* Allocate the transmit buffers if needed */
2969 if (!test_bit(FLAG_MPI,&ai->flags))
2970 for( i = 0; i < MAX_FIDS; i++ )
2971 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2972
2973 enable_interrupts( ai );
2974 netif_wake_queue(dev);
2975 return 0;
2976 }
2977
2978 EXPORT_SYMBOL(reset_airo_card);
2979
2980 static void airo_send_event(struct net_device *dev) {
2981 struct airo_info *ai = dev->ml_priv;
2982 union iwreq_data wrqu;
2983 StatusRid status_rid;
2984
2985 clear_bit(JOB_EVENT, &ai->jobs);
2986 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2987 up(&ai->sem);
2988 wrqu.data.length = 0;
2989 wrqu.data.flags = 0;
2990 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2991 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2992
2993 /* Send event to user space */
2994 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2995 }
2996
2997 static void airo_process_scan_results (struct airo_info *ai) {
2998 union iwreq_data wrqu;
2999 BSSListRid bss;
3000 int rc;
3001 BSSListElement * loop_net;
3002 BSSListElement * tmp_net;
3003
3004 /* Blow away current list of scan results */
3005 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3006 list_move_tail (&loop_net->list, &ai->network_free_list);
3007 /* Don't blow away ->list, just BSS data */
3008 memset (loop_net, 0, sizeof (loop_net->bss));
3009 }
3010
3011 /* Try to read the first entry of the scan result */
3012 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3013 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3014 /* No scan results */
3015 goto out;
3016 }
3017
3018 /* Read and parse all entries */
3019 tmp_net = NULL;
3020 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3021 /* Grab a network off the free list */
3022 if (!list_empty(&ai->network_free_list)) {
3023 tmp_net = list_entry(ai->network_free_list.next,
3024 BSSListElement, list);
3025 list_del(ai->network_free_list.next);
3026 }
3027
3028 if (tmp_net != NULL) {
3029 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3030 list_add_tail(&tmp_net->list, &ai->network_list);
3031 tmp_net = NULL;
3032 }
3033
3034 /* Read next entry */
3035 rc = PC4500_readrid(ai, ai->bssListNext,
3036 &bss, ai->bssListRidLen, 0);
3037 }
3038
3039 out:
3040 ai->scan_timeout = 0;
3041 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3042 up(&ai->sem);
3043
3044 /* Send an empty event to user space.
3045 * We don't send the received data on
3046 * the event because it would require
3047 * us to do complex transcoding, and
3048 * we want to minimise the work done in
3049 * the irq handler. Use a request to
3050 * extract the data - Jean II */
3051 wrqu.data.length = 0;
3052 wrqu.data.flags = 0;
3053 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3054 }
3055
3056 static int airo_thread(void *data) {
3057 struct net_device *dev = data;
3058 struct airo_info *ai = dev->ml_priv;
3059 int locked;
3060
3061 set_freezable();
3062 while(1) {
3063 /* make swsusp happy with our thread */
3064 try_to_freeze();
3065
3066 if (test_bit(JOB_DIE, &ai->jobs))
3067 break;
3068
3069 if (ai->jobs) {
3070 locked = down_interruptible(&ai->sem);
3071 } else {
3072 wait_queue_t wait;
3073
3074 init_waitqueue_entry(&wait, current);
3075 add_wait_queue(&ai->thr_wait, &wait);
3076 for (;;) {
3077 set_current_state(TASK_INTERRUPTIBLE);
3078 if (ai->jobs)
3079 break;
3080 if (ai->expires || ai->scan_timeout) {
3081 if (ai->scan_timeout &&
3082 time_after_eq(jiffies,ai->scan_timeout)){
3083 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3084 break;
3085 } else if (ai->expires &&
3086 time_after_eq(jiffies,ai->expires)){
3087 set_bit(JOB_AUTOWEP, &ai->jobs);
3088 break;
3089 }
3090 if (!kthread_should_stop() &&
3091 !freezing(current)) {
3092 unsigned long wake_at;
3093 if (!ai->expires || !ai->scan_timeout) {
3094 wake_at = max(ai->expires,
3095 ai->scan_timeout);
3096 } else {
3097 wake_at = min(ai->expires,
3098 ai->scan_timeout);
3099 }
3100 schedule_timeout(wake_at - jiffies);
3101 continue;
3102 }
3103 } else if (!kthread_should_stop() &&
3104 !freezing(current)) {
3105 schedule();
3106 continue;
3107 }
3108 break;
3109 }
3110 current->state = TASK_RUNNING;
3111 remove_wait_queue(&ai->thr_wait, &wait);
3112 locked = 1;
3113 }
3114
3115 if (locked)
3116 continue;
3117
3118 if (test_bit(JOB_DIE, &ai->jobs)) {
3119 up(&ai->sem);
3120 break;
3121 }
3122
3123 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3124 up(&ai->sem);
3125 continue;
3126 }
3127
3128 if (test_bit(JOB_XMIT, &ai->jobs))
3129 airo_end_xmit(dev);
3130 else if (test_bit(JOB_XMIT11, &ai->jobs))
3131 airo_end_xmit11(dev);
3132 else if (test_bit(JOB_STATS, &ai->jobs))
3133 airo_read_stats(dev);
3134 else if (test_bit(JOB_WSTATS, &ai->jobs))
3135 airo_read_wireless_stats(ai);
3136 else if (test_bit(JOB_PROMISC, &ai->jobs))
3137 airo_set_promisc(ai);
3138 else if (test_bit(JOB_MIC, &ai->jobs))
3139 micinit(ai);
3140 else if (test_bit(JOB_EVENT, &ai->jobs))
3141 airo_send_event(dev);
3142 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3143 timer_func(dev);
3144 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3145 airo_process_scan_results(ai);
3146 else /* Shouldn't get here, but we make sure to unlock */
3147 up(&ai->sem);
3148 }
3149
3150 return 0;
3151 }
3152
3153 static int header_len(__le16 ctl)
3154 {
3155 u16 fc = le16_to_cpu(ctl);
3156 switch (fc & 0xc) {
3157 case 4:
3158 if ((fc & 0xe0) == 0xc0)
3159 return 10; /* one-address control packet */
3160 return 16; /* two-address control packet */
3161 case 8:
3162 if ((fc & 0x300) == 0x300)
3163 return 30; /* WDS packet */
3164 }
3165 return 24;
3166 }
3167
3168 static void airo_handle_cisco_mic(struct airo_info *ai)
3169 {
3170 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3171 set_bit(JOB_MIC, &ai->jobs);
3172 wake_up_interruptible(&ai->thr_wait);
3173 }
3174 }
3175
3176 /* Airo Status codes */
3177 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3178 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3179 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3180 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3181 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3182 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3183 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3184 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3185 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3186 #define STAT_ASSOC 0x0400 /* Associated */
3187 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3188
3189 static void airo_print_status(const char *devname, u16 status)
3190 {
3191 u8 reason = status & 0xFF;
3192
3193 switch (status & 0xFF00) {
3194 case STAT_NOBEACON:
3195 switch (status) {
3196 case STAT_NOBEACON:
3197 airo_print_dbg(devname, "link lost (missed beacons)");
3198 break;
3199 case STAT_MAXRETRIES:
3200 case STAT_MAXARL:
3201 airo_print_dbg(devname, "link lost (max retries)");
3202 break;
3203 case STAT_FORCELOSS:
3204 airo_print_dbg(devname, "link lost (local choice)");
3205 break;
3206 case STAT_TSFSYNC:
3207 airo_print_dbg(devname, "link lost (TSF sync lost)");
3208 break;
3209 default:
3210 airo_print_dbg(devname, "unknow status %x\n", status);
3211 break;
3212 }
3213 break;
3214 case STAT_DEAUTH:
3215 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3216 break;
3217 case STAT_DISASSOC:
3218 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3219 break;
3220 case STAT_ASSOC_FAIL:
3221 airo_print_dbg(devname, "association failed (reason: %d)",
3222 reason);
3223 break;
3224 case STAT_AUTH_FAIL:
3225 airo_print_dbg(devname, "authentication failed (reason: %d)",
3226 reason);
3227 break;
3228 case STAT_ASSOC:
3229 case STAT_REASSOC:
3230 break;
3231 default:
3232 airo_print_dbg(devname, "unknow status %x\n", status);
3233 break;
3234 }
3235 }
3236
3237 static void airo_handle_link(struct airo_info *ai)
3238 {
3239 union iwreq_data wrqu;
3240 int scan_forceloss = 0;
3241 u16 status;
3242
3243 /* Get new status and acknowledge the link change */
3244 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3245 OUT4500(ai, EVACK, EV_LINK);
3246
3247 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3248 scan_forceloss = 1;
3249
3250 airo_print_status(ai->dev->name, status);
3251
3252 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3253 if (auto_wep)
3254 ai->expires = 0;
3255 if (ai->list_bss_task)
3256 wake_up_process(ai->list_bss_task);
3257 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3258 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3259
3260 if (down_trylock(&ai->sem) != 0) {
3261 set_bit(JOB_EVENT, &ai->jobs);
3262 wake_up_interruptible(&ai->thr_wait);
3263 } else
3264 airo_send_event(ai->dev);
3265 } else if (!scan_forceloss) {
3266 if (auto_wep && !ai->expires) {
3267 ai->expires = RUN_AT(3*HZ);
3268 wake_up_interruptible(&ai->thr_wait);
3269 }
3270
3271 /* Send event to user space */
3272 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3273 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3274 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3275 }
3276 }
3277
3278 static void airo_handle_rx(struct airo_info *ai)
3279 {
3280 struct sk_buff *skb = NULL;
3281 __le16 fc, v, *buffer, tmpbuf[4];
3282 u16 len, hdrlen = 0, gap, fid;
3283 struct rx_hdr hdr;
3284 int success = 0;
3285
3286 if (test_bit(FLAG_MPI, &ai->flags)) {
3287 if (test_bit(FLAG_802_11, &ai->flags))
3288 mpi_receive_802_11(ai);
3289 else
3290 mpi_receive_802_3(ai);
3291 OUT4500(ai, EVACK, EV_RX);
3292 return;
3293 }
3294
3295 fid = IN4500(ai, RXFID);
3296
3297 /* Get the packet length */
3298 if (test_bit(FLAG_802_11, &ai->flags)) {
3299 bap_setup (ai, fid, 4, BAP0);
3300 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3301 /* Bad CRC. Ignore packet */
3302 if (le16_to_cpu(hdr.status) & 2)
3303 hdr.len = 0;
3304 if (ai->wifidev == NULL)
3305 hdr.len = 0;
3306 } else {
3307 bap_setup(ai, fid, 0x36, BAP0);
3308 bap_read(ai, &hdr.len, 2, BAP0);
3309 }
3310 len = le16_to_cpu(hdr.len);
3311
3312 if (len > AIRO_DEF_MTU) {
3313 airo_print_err(ai->dev->name, "Bad size %d", len);
3314 goto done;
3315 }
3316 if (len == 0)
3317 goto done;
3318
3319 if (test_bit(FLAG_802_11, &ai->flags)) {
3320 bap_read(ai, &fc, sizeof (fc), BAP0);
3321 hdrlen = header_len(fc);
3322 } else
3323 hdrlen = ETH_ALEN * 2;
3324
3325 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3326 if (!skb) {
3327 ai->dev->stats.rx_dropped++;
3328 goto done;
3329 }
3330
3331 skb_reserve(skb, 2); /* This way the IP header is aligned */
3332 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3333 if (test_bit(FLAG_802_11, &ai->flags)) {
3334 buffer[0] = fc;
3335 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3336 if (hdrlen == 24)
3337 bap_read(ai, tmpbuf, 6, BAP0);
3338
3339 bap_read(ai, &v, sizeof(v), BAP0);
3340 gap = le16_to_cpu(v);
3341 if (gap) {
3342 if (gap <= 8) {
3343 bap_read(ai, tmpbuf, gap, BAP0);
3344 } else {
3345 airo_print_err(ai->dev->name, "gaplen too "
3346 "big. Problems will follow...");
3347 }
3348 }
3349 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3350 } else {
3351 MICBuffer micbuf;
3352
3353 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3354 if (ai->micstats.enabled) {
3355 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3356 if (ntohs(micbuf.typelen) > 0x05DC)
3357 bap_setup(ai, fid, 0x44, BAP0);
3358 else {
3359 if (len <= sizeof (micbuf)) {
3360 dev_kfree_skb_irq(skb);
3361 goto done;
3362 }
3363
3364 len -= sizeof(micbuf);
3365 skb_trim(skb, len + hdrlen);
3366 }
3367 }
3368
3369 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3370 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3371 dev_kfree_skb_irq (skb);
3372 else
3373 success = 1;
3374 }
3375
3376 #ifdef WIRELESS_SPY
3377 if (success && (ai->spy_data.spy_number > 0)) {
3378 char *sa;
3379 struct iw_quality wstats;
3380
3381 /* Prepare spy data : addr + qual */
3382 if (!test_bit(FLAG_802_11, &ai->flags)) {
3383 sa = (char *) buffer + 6;
3384 bap_setup(ai, fid, 8, BAP0);
3385 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3386 } else
3387 sa = (char *) buffer + 10;
3388 wstats.qual = hdr.rssi[0];
3389 if (ai->rssi)
3390 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3391 else
3392 wstats.level = (hdr.rssi[1] + 321) / 2;
3393 wstats.noise = ai->wstats.qual.noise;
3394 wstats.updated = IW_QUAL_LEVEL_UPDATED
3395 | IW_QUAL_QUAL_UPDATED
3396 | IW_QUAL_DBM;
3397 /* Update spy records */
3398 wireless_spy_update(ai->dev, sa, &wstats);
3399 }
3400 #endif /* WIRELESS_SPY */
3401
3402 done:
3403 OUT4500(ai, EVACK, EV_RX);
3404
3405 if (success) {
3406 if (test_bit(FLAG_802_11, &ai->flags)) {
3407 skb_reset_mac_header(skb);
3408 skb->pkt_type = PACKET_OTHERHOST;
3409 skb->dev = ai->wifidev;
3410 skb->protocol = htons(ETH_P_802_2);
3411 } else
3412 skb->protocol = eth_type_trans(skb, ai->dev);
3413 skb->ip_summed = CHECKSUM_NONE;
3414
3415 netif_rx(skb);
3416 }
3417 }
3418
3419 static void airo_handle_tx(struct airo_info *ai, u16 status)
3420 {
3421 int i, len = 0, index = -1;
3422 u16 fid;
3423
3424 if (test_bit(FLAG_MPI, &ai->flags)) {
3425 unsigned long flags;
3426
3427 if (status & EV_TXEXC)
3428 get_tx_error(ai, -1);
3429
3430 spin_lock_irqsave(&ai->aux_lock, flags);
3431 if (!skb_queue_empty(&ai->txq)) {
3432 spin_unlock_irqrestore(&ai->aux_lock,flags);
3433 mpi_send_packet(ai->dev);
3434 } else {
3435 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3436 spin_unlock_irqrestore(&ai->aux_lock,flags);
3437 netif_wake_queue(ai->dev);
3438 }
3439 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3440 return;
3441 }
3442
3443 fid = IN4500(ai, TXCOMPLFID);
3444
3445 for(i = 0; i < MAX_FIDS; i++) {
3446 if ((ai->fids[i] & 0xffff) == fid) {
3447 len = ai->fids[i] >> 16;
3448 index = i;
3449 }
3450 }
3451
3452 if (index != -1) {
3453 if (status & EV_TXEXC)
3454 get_tx_error(ai, index);
3455
3456 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3457
3458 /* Set up to be used again */
3459 ai->fids[index] &= 0xffff;
3460 if (index < MAX_FIDS / 2) {
3461 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3462 netif_wake_queue(ai->dev);
3463 } else {
3464 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3465 netif_wake_queue(ai->wifidev);
3466 }
3467 } else {
3468 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3469 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3470 }
3471 }
3472
3473 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3474 {
3475 struct net_device *dev = dev_id;
3476 u16 status, savedInterrupts = 0;
3477 struct airo_info *ai = dev->ml_priv;
3478 int handled = 0;
3479
3480 if (!netif_device_present(dev))
3481 return IRQ_NONE;
3482
3483 for (;;) {
3484 status = IN4500(ai, EVSTAT);
3485 if (!(status & STATUS_INTS) || (status == 0xffff))
3486 break;
3487
3488 handled = 1;
3489
3490 if (status & EV_AWAKE) {
3491 OUT4500(ai, EVACK, EV_AWAKE);
3492 OUT4500(ai, EVACK, EV_AWAKE);
3493 }
3494
3495 if (!savedInterrupts) {
3496 savedInterrupts = IN4500(ai, EVINTEN);
3497 OUT4500(ai, EVINTEN, 0);
3498 }
3499
3500 if (status & EV_MIC) {
3501 OUT4500(ai, EVACK, EV_MIC);
3502 airo_handle_cisco_mic(ai);
3503 }
3504
3505 if (status & EV_LINK) {
3506 /* Link status changed */
3507 airo_handle_link(ai);
3508 }
3509
3510 /* Check to see if there is something to receive */
3511 if (status & EV_RX)
3512 airo_handle_rx(ai);
3513
3514 /* Check to see if a packet has been transmitted */
3515 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3516 airo_handle_tx(ai, status);
3517
3518 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3519 airo_print_warn(ai->dev->name, "Got weird status %x",
3520 status & ~STATUS_INTS & ~IGNORE_INTS );
3521 }
3522 }
3523
3524 if (savedInterrupts)
3525 OUT4500(ai, EVINTEN, savedInterrupts);
3526
3527 return IRQ_RETVAL(handled);
3528 }
3529
3530 /*
3531 * Routines to talk to the card
3532 */
3533
3534 /*
3535 * This was originally written for the 4500, hence the name
3536 * NOTE: If use with 8bit mode and SMP bad things will happen!
3537 * Why would some one do 8 bit IO in an SMP machine?!?
3538 */
3539 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3540 if (test_bit(FLAG_MPI,&ai->flags))
3541 reg <<= 1;
3542 if ( !do8bitIO )
3543 outw( val, ai->dev->base_addr + reg );
3544 else {
3545 outb( val & 0xff, ai->dev->base_addr + reg );
3546 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3547 }
3548 }
3549
3550 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3551 unsigned short rc;
3552
3553 if (test_bit(FLAG_MPI,&ai->flags))
3554 reg <<= 1;
3555 if ( !do8bitIO )
3556 rc = inw( ai->dev->base_addr + reg );
3557 else {
3558 rc = inb( ai->dev->base_addr + reg );
3559 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3560 }
3561 return rc;
3562 }
3563
3564 static int enable_MAC(struct airo_info *ai, int lock)
3565 {
3566 int rc;
3567 Cmd cmd;
3568 Resp rsp;
3569
3570 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3571 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3572 * Note : we could try to use !netif_running(dev) in enable_MAC()
3573 * instead of this flag, but I don't trust it *within* the
3574 * open/close functions, and testing both flags together is
3575 * "cheaper" - Jean II */
3576 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3577
3578 if (lock && down_interruptible(&ai->sem))
3579 return -ERESTARTSYS;
3580
3581 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3582 memset(&cmd, 0, sizeof(cmd));
3583 cmd.cmd = MAC_ENABLE;
3584 rc = issuecommand(ai, &cmd, &rsp);
3585 if (rc == SUCCESS)
3586 set_bit(FLAG_ENABLED, &ai->flags);
3587 } else
3588 rc = SUCCESS;
3589
3590 if (lock)
3591 up(&ai->sem);
3592
3593 if (rc)
3594 airo_print_err(ai->dev->name, "Cannot enable MAC");
3595 else if ((rsp.status & 0xFF00) != 0) {
3596 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3597 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3598 rc = ERROR;
3599 }
3600 return rc;
3601 }
3602
3603 static void disable_MAC( struct airo_info *ai, int lock ) {
3604 Cmd cmd;
3605 Resp rsp;
3606
3607 if (lock && down_interruptible(&ai->sem))
3608 return;
3609
3610 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3611 memset(&cmd, 0, sizeof(cmd));
3612 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3613 issuecommand(ai, &cmd, &rsp);
3614 clear_bit(FLAG_ENABLED, &ai->flags);
3615 }
3616 if (lock)
3617 up(&ai->sem);
3618 }
3619
3620 static void enable_interrupts( struct airo_info *ai ) {
3621 /* Enable the interrupts */
3622 OUT4500( ai, EVINTEN, STATUS_INTS );
3623 }
3624
3625 static void disable_interrupts( struct airo_info *ai ) {
3626 OUT4500( ai, EVINTEN, 0 );
3627 }
3628
3629 static void mpi_receive_802_3(struct airo_info *ai)
3630 {
3631 RxFid rxd;
3632 int len = 0;
3633 struct sk_buff *skb;
3634 char *buffer;
3635 int off = 0;
3636 MICBuffer micbuf;
3637
3638 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3639 /* Make sure we got something */
3640 if (rxd.rdy && rxd.valid == 0) {
3641 len = rxd.len + 12;
3642 if (len < 12 || len > 2048)
3643 goto badrx;
3644
3645 skb = dev_alloc_skb(len);
3646 if (!skb) {
3647 ai->dev->stats.rx_dropped++;
3648 goto badrx;
3649 }
3650 buffer = skb_put(skb,len);
3651 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3652 if (ai->micstats.enabled) {
3653 memcpy(&micbuf,
3654 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3655 sizeof(micbuf));
3656 if (ntohs(micbuf.typelen) <= 0x05DC) {
3657 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3658 goto badmic;
3659
3660 off = sizeof(micbuf);
3661 skb_trim (skb, len - off);
3662 }
3663 }
3664 memcpy(buffer + ETH_ALEN * 2,
3665 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3666 len - ETH_ALEN * 2 - off);
3667 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3668 badmic:
3669 dev_kfree_skb_irq (skb);
3670 goto badrx;
3671 }
3672 #ifdef WIRELESS_SPY
3673 if (ai->spy_data.spy_number > 0) {
3674 char *sa;
3675 struct iw_quality wstats;
3676 /* Prepare spy data : addr + qual */
3677 sa = buffer + ETH_ALEN;
3678 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3679 wstats.level = 0;
3680 wstats.updated = 0;
3681 /* Update spy records */
3682 wireless_spy_update(ai->dev, sa, &wstats);
3683 }
3684 #endif /* WIRELESS_SPY */
3685
3686 skb->ip_summed = CHECKSUM_NONE;
3687 skb->protocol = eth_type_trans(skb, ai->dev);
3688 netif_rx(skb);
3689 }
3690 badrx:
3691 if (rxd.valid == 0) {
3692 rxd.valid = 1;
3693 rxd.rdy = 0;
3694 rxd.len = PKTSIZE;
3695 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3696 }
3697 }
3698
3699 static void mpi_receive_802_11(struct airo_info *ai)
3700 {
3701 RxFid rxd;
3702 struct sk_buff *skb = NULL;
3703 u16 len, hdrlen = 0;
3704 __le16 fc;
3705 struct rx_hdr hdr;
3706 u16 gap;
3707 u16 *buffer;
3708 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3709
3710 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3711 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3712 ptr += sizeof(hdr);
3713 /* Bad CRC. Ignore packet */
3714 if (le16_to_cpu(hdr.status) & 2)
3715 hdr.len = 0;
3716 if (ai->wifidev == NULL)
3717 hdr.len = 0;
3718 len = le16_to_cpu(hdr.len);
3719 if (len > AIRO_DEF_MTU) {
3720 airo_print_err(ai->dev->name, "Bad size %d", len);
3721 goto badrx;
3722 }
3723 if (len == 0)
3724 goto badrx;
3725
3726 fc = get_unaligned((__le16 *)ptr);
3727 hdrlen = header_len(fc);
3728
3729 skb = dev_alloc_skb( len + hdrlen + 2 );
3730 if ( !skb ) {
3731 ai->dev->stats.rx_dropped++;
3732 goto badrx;
3733 }
3734 buffer = (u16*)skb_put (skb, len + hdrlen);
3735 memcpy ((char *)buffer, ptr, hdrlen);
3736 ptr += hdrlen;
3737 if (hdrlen == 24)
3738 ptr += 6;
3739 gap = get_unaligned_le16(ptr);
3740 ptr += sizeof(__le16);
3741 if (gap) {
3742 if (gap <= 8)
3743 ptr += gap;
3744 else
3745 airo_print_err(ai->dev->name,
3746 "gaplen too big. Problems will follow...");
3747 }
3748 memcpy ((char *)buffer + hdrlen, ptr, len);
3749 ptr += len;
3750 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3751 if (ai->spy_data.spy_number > 0) {
3752 char *sa;
3753 struct iw_quality wstats;
3754 /* Prepare spy data : addr + qual */
3755 sa = (char*)buffer + 10;
3756 wstats.qual = hdr.rssi[0];
3757 if (ai->rssi)
3758 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3759 else
3760 wstats.level = (hdr.rssi[1] + 321) / 2;
3761 wstats.noise = ai->wstats.qual.noise;
3762 wstats.updated = IW_QUAL_QUAL_UPDATED
3763 | IW_QUAL_LEVEL_UPDATED
3764 | IW_QUAL_DBM;
3765 /* Update spy records */
3766 wireless_spy_update(ai->dev, sa, &wstats);
3767 }
3768 #endif /* IW_WIRELESS_SPY */
3769 skb_reset_mac_header(skb);
3770 skb->pkt_type = PACKET_OTHERHOST;
3771 skb->dev = ai->wifidev;
3772 skb->protocol = htons(ETH_P_802_2);
3773 skb->ip_summed = CHECKSUM_NONE;
3774 netif_rx( skb );
3775
3776 badrx:
3777 if (rxd.valid == 0) {
3778 rxd.valid = 1;
3779 rxd.rdy = 0;
3780 rxd.len = PKTSIZE;
3781 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3782 }
3783 }
3784
3785 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3786 {
3787 Cmd cmd;
3788 Resp rsp;
3789 int status;
3790 SsidRid mySsid;
3791 __le16 lastindex;
3792 WepKeyRid wkr;
3793 int rc;
3794
3795 memset( &mySsid, 0, sizeof( mySsid ) );
3796 kfree (ai->flash);
3797 ai->flash = NULL;
3798
3799 /* The NOP is the first step in getting the card going */
3800 cmd.cmd = NOP;
3801 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3802 if (lock && down_interruptible(&ai->sem))
3803 return ERROR;
3804 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3805 if (lock)
3806 up(&ai->sem);
3807 return ERROR;
3808 }
3809 disable_MAC( ai, 0);
3810
3811 // Let's figure out if we need to use the AUX port
3812 if (!test_bit(FLAG_MPI,&ai->flags)) {
3813 cmd.cmd = CMD_ENABLEAUX;
3814 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3815 if (lock)
3816 up(&ai->sem);
3817 airo_print_err(ai->dev->name, "Error checking for AUX port");
3818 return ERROR;
3819 }
3820 if (!aux_bap || rsp.status & 0xff00) {
3821 ai->bap_read = fast_bap_read;
3822 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3823 } else {
3824 ai->bap_read = aux_bap_read;
3825 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3826 }
3827 }
3828 if (lock)
3829 up(&ai->sem);
3830 if (ai->config.len == 0) {
3831 int i;
3832 tdsRssiRid rssi_rid;
3833 CapabilityRid cap_rid;
3834
3835 kfree(ai->APList);
3836 ai->APList = NULL;
3837 kfree(ai->SSID);
3838 ai->SSID = NULL;
3839 // general configuration (read/modify/write)
3840 status = readConfigRid(ai, lock);
3841 if ( status != SUCCESS ) return ERROR;
3842
3843 status = readCapabilityRid(ai, &cap_rid, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3847 if ( status == SUCCESS ) {
3848 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3849 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3850 }
3851 else {
3852 kfree(ai->rssi);
3853 ai->rssi = NULL;
3854 if (cap_rid.softCap & cpu_to_le16(8))
3855 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3856 else
3857 airo_print_warn(ai->dev->name, "unknown received signal "
3858 "level scale");
3859 }
3860 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3861 ai->config.authType = AUTH_OPEN;
3862 ai->config.modulation = MOD_CCK;
3863
3864 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3865 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3866 micsetup(ai) == SUCCESS) {
3867 ai->config.opmode |= MODE_MIC;
3868 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3869 }
3870
3871 /* Save off the MAC */
3872 for( i = 0; i < ETH_ALEN; i++ ) {
3873 mac[i] = ai->config.macAddr[i];
3874 }
3875
3876 /* Check to see if there are any insmod configured
3877 rates to add */
3878 if ( rates[0] ) {
3879 memset(ai->config.rates,0,sizeof(ai->config.rates));
3880 for( i = 0; i < 8 && rates[i]; i++ ) {
3881 ai->config.rates[i] = rates[i];
3882 }
3883 }
3884 set_bit (FLAG_COMMIT, &ai->flags);
3885 }
3886
3887 /* Setup the SSIDs if present */
3888 if ( ssids[0] ) {
3889 int i;
3890 for( i = 0; i < 3 && ssids[i]; i++ ) {
3891 size_t len = strlen(ssids[i]);
3892 if (len > 32)
3893 len = 32;
3894 mySsid.ssids[i].len = cpu_to_le16(len);
3895 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3896 }
3897 mySsid.len = cpu_to_le16(sizeof(mySsid));
3898 }
3899
3900 status = writeConfigRid(ai, lock);
3901 if ( status != SUCCESS ) return ERROR;
3902
3903 /* Set up the SSID list */
3904 if ( ssids[0] ) {
3905 status = writeSsidRid(ai, &mySsid, lock);
3906 if ( status != SUCCESS ) return ERROR;
3907 }
3908
3909 status = enable_MAC(ai, lock);
3910 if (status != SUCCESS)
3911 return ERROR;
3912
3913 /* Grab the initial wep key, we gotta save it for auto_wep */
3914 rc = readWepKeyRid(ai, &wkr, 1, lock);
3915 if (rc == SUCCESS) do {
3916 lastindex = wkr.kindex;
3917 if (wkr.kindex == cpu_to_le16(0xffff)) {
3918 ai->defindex = wkr.mac[0];
3919 }
3920 rc = readWepKeyRid(ai, &wkr, 0, lock);
3921 } while(lastindex != wkr.kindex);
3922
3923 try_auto_wep(ai);
3924
3925 return SUCCESS;
3926 }
3927
3928 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3929 // Im really paranoid about letting it run forever!
3930 int max_tries = 600000;
3931
3932 if (IN4500(ai, EVSTAT) & EV_CMD)
3933 OUT4500(ai, EVACK, EV_CMD);
3934
3935 OUT4500(ai, PARAM0, pCmd->parm0);
3936 OUT4500(ai, PARAM1, pCmd->parm1);
3937 OUT4500(ai, PARAM2, pCmd->parm2);
3938 OUT4500(ai, COMMAND, pCmd->cmd);
3939
3940 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3941 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3942 // PC4500 didn't notice command, try again
3943 OUT4500(ai, COMMAND, pCmd->cmd);
3944 if (!in_atomic() && (max_tries & 255) == 0)
3945 schedule();
3946 }
3947
3948 if ( max_tries == -1 ) {
3949 airo_print_err(ai->dev->name,
3950 "Max tries exceeded when issueing command");
3951 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3953 return ERROR;
3954 }
3955
3956 // command completed
3957 pRsp->status = IN4500(ai, STATUS);
3958 pRsp->rsp0 = IN4500(ai, RESP0);
3959 pRsp->rsp1 = IN4500(ai, RESP1);
3960 pRsp->rsp2 = IN4500(ai, RESP2);
3961 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3962 airo_print_err(ai->dev->name,
3963 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3964 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3965 pRsp->rsp2);
3966
3967 // clear stuck command busy if necessary
3968 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3970 }
3971 // acknowledge processing the status/response
3972 OUT4500(ai, EVACK, EV_CMD);
3973
3974 return SUCCESS;
3975 }
3976
3977 /* Sets up the bap to start exchange data. whichbap should
3978 * be one of the BAP0 or BAP1 defines. Locks should be held before
3979 * calling! */
3980 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3981 {
3982 int timeout = 50;
3983 int max_tries = 3;
3984
3985 OUT4500(ai, SELECT0+whichbap, rid);
3986 OUT4500(ai, OFFSET0+whichbap, offset);
3987 while (1) {
3988 int status = IN4500(ai, OFFSET0+whichbap);
3989 if (status & BAP_BUSY) {
3990 /* This isn't really a timeout, but its kinda
3991 close */
3992 if (timeout--) {
3993 continue;
3994 }
3995 } else if ( status & BAP_ERR ) {
3996 /* invalid rid or offset */
3997 airo_print_err(ai->dev->name, "BAP error %x %d",
3998 status, whichbap );
3999 return ERROR;
4000 } else if (status & BAP_DONE) { // success
4001 return SUCCESS;
4002 }
4003 if ( !(max_tries--) ) {
4004 airo_print_err(ai->dev->name,
4005 "BAP setup error too many retries\n");
4006 return ERROR;
4007 }
4008 // -- PC4500 missed it, try again
4009 OUT4500(ai, SELECT0+whichbap, rid);
4010 OUT4500(ai, OFFSET0+whichbap, offset);
4011 timeout = 50;
4012 }
4013 }
4014
4015 /* should only be called by aux_bap_read. This aux function and the
4016 following use concepts not documented in the developers guide. I
4017 got them from a patch given to my by Aironet */
4018 static u16 aux_setup(struct airo_info *ai, u16 page,
4019 u16 offset, u16 *len)
4020 {
4021 u16 next;
4022
4023 OUT4500(ai, AUXPAGE, page);
4024 OUT4500(ai, AUXOFF, 0);
4025 next = IN4500(ai, AUXDATA);
4026 *len = IN4500(ai, AUXDATA)&0xff;
4027 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4028 return next;
4029 }
4030
4031 /* requires call to bap_setup() first */
4032 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4033 int bytelen, int whichbap)
4034 {
4035 u16 len;
4036 u16 page;
4037 u16 offset;
4038 u16 next;
4039 int words;
4040 int i;
4041 unsigned long flags;
4042
4043 spin_lock_irqsave(&ai->aux_lock, flags);
4044 page = IN4500(ai, SWS0+whichbap);
4045 offset = IN4500(ai, SWS2+whichbap);
4046 next = aux_setup(ai, page, offset, &len);
4047 words = (bytelen+1)>>1;
4048
4049 for (i=0; i<words;) {
4050 int count;
4051 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4052 if ( !do8bitIO )
4053 insw( ai->dev->base_addr+DATA0+whichbap,
4054 pu16Dst+i,count );
4055 else
4056 insb( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i, count << 1 );
4058 i += count;
4059 if (i<words) {
4060 next = aux_setup(ai, next, 4, &len);
4061 }
4062 }
4063 spin_unlock_irqrestore(&ai->aux_lock, flags);
4064 return SUCCESS;
4065 }
4066
4067
4068 /* requires call to bap_setup() first */
4069 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4070 int bytelen, int whichbap)
4071 {
4072 bytelen = (bytelen + 1) & (~1); // round up to even value
4073 if ( !do8bitIO )
4074 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4075 else
4076 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4077 return SUCCESS;
4078 }
4079
4080 /* requires call to bap_setup() first */
4081 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4082 int bytelen, int whichbap)
4083 {
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 outsw( ai->dev->base_addr+DATA0+whichbap,
4087 pu16Src, bytelen>>1 );
4088 else
4089 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4090 return SUCCESS;
4091 }
4092
4093 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4094 {
4095 Cmd cmd; /* for issuing commands */
4096 Resp rsp; /* response from commands */
4097 u16 status;
4098
4099 memset(&cmd, 0, sizeof(cmd));
4100 cmd.cmd = accmd;
4101 cmd.parm0 = rid;
4102 status = issuecommand(ai, &cmd, &rsp);
4103 if (status != 0) return status;
4104 if ( (rsp.status & 0x7F00) != 0) {
4105 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4106 }
4107 return 0;
4108 }
4109
4110 /* Note, that we are using BAP1 which is also used by transmit, so
4111 * we must get a lock. */
4112 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4113 {
4114 u16 status;
4115 int rc = SUCCESS;
4116
4117 if (lock) {
4118 if (down_interruptible(&ai->sem))
4119 return ERROR;
4120 }
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4122 Cmd cmd;
4123 Resp rsp;
4124
4125 memset(&cmd, 0, sizeof(cmd));
4126 memset(&rsp, 0, sizeof(rsp));
4127 ai->config_desc.rid_desc.valid = 1;
4128 ai->config_desc.rid_desc.len = RIDSIZE;
4129 ai->config_desc.rid_desc.rid = 0;
4130 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4131
4132 cmd.cmd = CMD_ACCESS;
4133 cmd.parm0 = rid;
4134
4135 memcpy_toio(ai->config_desc.card_ram_off,
4136 &ai->config_desc.rid_desc, sizeof(Rid));
4137
4138 rc = issuecommand(ai, &cmd, &rsp);
4139
4140 if (rsp.status & 0x7f00)
4141 rc = rsp.rsp0;
4142 if (!rc)
4143 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4144 goto done;
4145 } else {
4146 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4147 rc = status;
4148 goto done;
4149 }
4150 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4151 rc = ERROR;
4152 goto done;
4153 }
4154 // read the rid length field
4155 bap_read(ai, pBuf, 2, BAP1);
4156 // length for remaining part of rid
4157 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4158
4159 if ( len <= 2 ) {
4160 airo_print_err(ai->dev->name,
4161 "Rid %x has a length of %d which is too short",
4162 (int)rid, (int)len );
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read remainder of the rid
4167 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4168 }
4169 done:
4170 if (lock)
4171 up(&ai->sem);
4172 return rc;
4173 }
4174
4175 /* Note, that we are using BAP1 which is also used by transmit, so
4176 * make sure this isnt called when a transmit is happening */
4177 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4178 const void *pBuf, int len, int lock)
4179 {
4180 u16 status;
4181 int rc = SUCCESS;
4182
4183 *(__le16*)pBuf = cpu_to_le16((u16)len);
4184
4185 if (lock) {
4186 if (down_interruptible(&ai->sem))
4187 return ERROR;
4188 }
4189 if (test_bit(FLAG_MPI,&ai->flags)) {
4190 Cmd cmd;
4191 Resp rsp;
4192
4193 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4194 airo_print_err(ai->dev->name,
4195 "%s: MAC should be disabled (rid=%04x)",
4196 __func__, rid);
4197 memset(&cmd, 0, sizeof(cmd));
4198 memset(&rsp, 0, sizeof(rsp));
4199
4200 ai->config_desc.rid_desc.valid = 1;
4201 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4202 ai->config_desc.rid_desc.rid = 0;
4203
4204 cmd.cmd = CMD_WRITERID;
4205 cmd.parm0 = rid;
4206
4207 memcpy_toio(ai->config_desc.card_ram_off,
4208 &ai->config_desc.rid_desc, sizeof(Rid));
4209
4210 if (len < 4 || len > 2047) {
4211 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4212 rc = -1;
4213 } else {
4214 memcpy((char *)ai->config_desc.virtual_host_addr,
4215 pBuf, len);
4216
4217 rc = issuecommand(ai, &cmd, &rsp);
4218 if ((rc & 0xff00) != 0) {
4219 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4220 __func__, rc);
4221 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4222 __func__, cmd.cmd);
4223 }
4224
4225 if ((rsp.status & 0x7f00))
4226 rc = rsp.rsp0;
4227 }
4228 } else {
4229 // --- first access so that we can write the rid data
4230 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4231 rc = status;
4232 goto done;
4233 }
4234 // --- now write the rid data
4235 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4236 rc = ERROR;
4237 goto done;
4238 }
4239 bap_write(ai, pBuf, len, BAP1);
4240 // ---now commit the rid data
4241 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4242 }
4243 done:
4244 if (lock)
4245 up(&ai->sem);
4246 return rc;
4247 }
4248
4249 /* Allocates a FID to be used for transmitting packets. We only use
4250 one for now. */
4251 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4252 {
4253 unsigned int loop = 3000;
4254 Cmd cmd;
4255 Resp rsp;
4256 u16 txFid;
4257 __le16 txControl;
4258
4259 cmd.cmd = CMD_ALLOCATETX;
4260 cmd.parm0 = lenPayload;
4261 if (down_interruptible(&ai->sem))
4262 return ERROR;
4263 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4264 txFid = ERROR;
4265 goto done;
4266 }
4267 if ( (rsp.status & 0xFF00) != 0) {
4268 txFid = ERROR;
4269 goto done;
4270 }
4271 /* wait for the allocate event/indication
4272 * It makes me kind of nervous that this can just sit here and spin,
4273 * but in practice it only loops like four times. */
4274 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4275 if (!loop) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279
4280 // get the allocated fid and acknowledge
4281 txFid = IN4500(ai, TXALLOCFID);
4282 OUT4500(ai, EVACK, EV_ALLOC);
4283
4284 /* The CARD is pretty cool since it converts the ethernet packet
4285 * into 802.11. Also note that we don't release the FID since we
4286 * will be using the same one over and over again. */
4287 /* We only have to setup the control once since we are not
4288 * releasing the fid. */
4289 if (raw)
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4292 else
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4296 txFid = ERROR;
4297 else
4298 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4299
4300 done:
4301 up(&ai->sem);
4302
4303 return txFid;
4304 }
4305
4306 /* In general BAP1 is dedicated to transmiting packets. However,
4307 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4308 Make sure the BAP1 spinlock is held when this is called. */
4309 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4310 {
4311 __le16 payloadLen;
4312 Cmd cmd;
4313 Resp rsp;
4314 int miclen = 0;
4315 u16 txFid = len;
4316 MICBuffer pMic;
4317
4318 len >>= 16;
4319
4320 if (len <= ETH_ALEN * 2) {
4321 airo_print_warn(ai->dev->name, "Short packet %d", len);
4322 return ERROR;
4323 }
4324 len -= ETH_ALEN * 2;
4325
4326 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4327 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4328 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4329 return ERROR;
4330 miclen = sizeof(pMic);
4331 }
4332 // packet is destination[6], source[6], payload[len-12]
4333 // write the payload length and dst/src/payload
4334 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4335 /* The hardware addresses aren't counted as part of the payload, so
4336 * we have to subtract the 12 bytes for the addresses off */
4337 payloadLen = cpu_to_le16(len + miclen);
4338 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4339 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4340 if (miclen)
4341 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4342 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4343 // issue the transmit command
4344 memset( &cmd, 0, sizeof( cmd ) );
4345 cmd.cmd = CMD_TRANSMIT;
4346 cmd.parm0 = txFid;
4347 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4348 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4349 return SUCCESS;
4350 }
4351
4352 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4353 {
4354 __le16 fc, payloadLen;
4355 Cmd cmd;
4356 Resp rsp;
4357 int hdrlen;
4358 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4359 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4360 u16 txFid = len;
4361 len >>= 16;
4362
4363 fc = *(__le16*)pPacket;
4364 hdrlen = header_len(fc);
4365
4366 if (len < hdrlen) {
4367 airo_print_warn(ai->dev->name, "Short packet %d", len);
4368 return ERROR;
4369 }
4370
4371 /* packet is 802.11 header + payload
4372 * write the payload length and dst/src/payload */
4373 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4374 /* The 802.11 header aren't counted as part of the payload, so
4375 * we have to subtract the header bytes off */
4376 payloadLen = cpu_to_le16(len-hdrlen);
4377 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4378 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4379 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4380 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4381
4382 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4383 // issue the transmit command
4384 memset( &cmd, 0, sizeof( cmd ) );
4385 cmd.cmd = CMD_TRANSMIT;
4386 cmd.parm0 = txFid;
4387 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4388 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4389 return SUCCESS;
4390 }
4391
4392 /*
4393 * This is the proc_fs routines. It is a bit messier than I would
4394 * like! Feel free to clean it up!
4395 */
4396
4397 static ssize_t proc_read( struct file *file,
4398 char __user *buffer,
4399 size_t len,
4400 loff_t *offset);
4401
4402 static ssize_t proc_write( struct file *file,
4403 const char __user *buffer,
4404 size_t len,
4405 loff_t *offset );
4406 static int proc_close( struct inode *inode, struct file *file );
4407
4408 static int proc_stats_open( struct inode *inode, struct file *file );
4409 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4410 static int proc_status_open( struct inode *inode, struct file *file );
4411 static int proc_SSID_open( struct inode *inode, struct file *file );
4412 static int proc_APList_open( struct inode *inode, struct file *file );
4413 static int proc_BSSList_open( struct inode *inode, struct file *file );
4414 static int proc_config_open( struct inode *inode, struct file *file );
4415 static int proc_wepkey_open( struct inode *inode, struct file *file );
4416
4417 static const struct file_operations proc_statsdelta_ops = {
4418 .owner = THIS_MODULE,
4419 .read = proc_read,
4420 .open = proc_statsdelta_open,
4421 .release = proc_close
4422 };
4423
4424 static const struct file_operations proc_stats_ops = {
4425 .owner = THIS_MODULE,
4426 .read = proc_read,
4427 .open = proc_stats_open,
4428 .release = proc_close
4429 };
4430
4431 static const struct file_operations proc_status_ops = {
4432 .owner = THIS_MODULE,
4433 .read = proc_read,
4434 .open = proc_status_open,
4435 .release = proc_close
4436 };
4437
4438 static const struct file_operations proc_SSID_ops = {
4439 .owner = THIS_MODULE,
4440 .read = proc_read,
4441 .write = proc_write,
4442 .open = proc_SSID_open,
4443 .release = proc_close
4444 };
4445
4446 static const struct file_operations proc_BSSList_ops = {
4447 .owner = THIS_MODULE,
4448 .read = proc_read,
4449 .write = proc_write,
4450 .open = proc_BSSList_open,
4451 .release = proc_close
4452 };
4453
4454 static const struct file_operations proc_APList_ops = {
4455 .owner = THIS_MODULE,
4456 .read = proc_read,
4457 .write = proc_write,
4458 .open = proc_APList_open,
4459 .release = proc_close
4460 };
4461
4462 static const struct file_operations proc_config_ops = {
4463 .owner = THIS_MODULE,
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_config_open,
4467 .release = proc_close
4468 };
4469
4470 static const struct file_operations proc_wepkey_ops = {
4471 .owner = THIS_MODULE,
4472 .read = proc_read,
4473 .write = proc_write,
4474 .open = proc_wepkey_open,
4475 .release = proc_close
4476 };
4477
4478 static struct proc_dir_entry *airo_entry;
4479
4480 struct proc_data {
4481 int release_buffer;
4482 int readlen;
4483 char *rbuffer;
4484 int writelen;
4485 int maxwritelen;
4486 char *wbuffer;
4487 void (*on_close) (struct inode *, struct file *);
4488 };
4489
4490 static int setup_proc_entry( struct net_device *dev,
4491 struct airo_info *apriv ) {
4492 struct proc_dir_entry *entry;
4493 /* First setup the device directory */
4494 strcpy(apriv->proc_name,dev->name);
4495 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4496 S_IFDIR|airo_perm,
4497 airo_entry);
4498 if (!apriv->proc_entry)
4499 goto fail;
4500 apriv->proc_entry->uid = proc_uid;
4501 apriv->proc_entry->gid = proc_gid;
4502
4503 /* Setup the StatsDelta */
4504 entry = proc_create_data("StatsDelta",
4505 S_IFREG | (S_IRUGO&proc_perm),
4506 apriv->proc_entry, &proc_statsdelta_ops, dev);
4507 if (!entry)
4508 goto fail_stats_delta;
4509 entry->uid = proc_uid;
4510 entry->gid = proc_gid;
4511
4512 /* Setup the Stats */
4513 entry = proc_create_data("Stats",
4514 S_IFREG | (S_IRUGO&proc_perm),
4515 apriv->proc_entry, &proc_stats_ops, dev);
4516 if (!entry)
4517 goto fail_stats;
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
4520
4521 /* Setup the Status */
4522 entry = proc_create_data("Status",
4523 S_IFREG | (S_IRUGO&proc_perm),
4524 apriv->proc_entry, &proc_status_ops, dev);
4525 if (!entry)
4526 goto fail_status;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4529
4530 /* Setup the Config */
4531 entry = proc_create_data("Config",
4532 S_IFREG | proc_perm,
4533 apriv->proc_entry, &proc_config_ops, dev);
4534 if (!entry)
4535 goto fail_config;
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4538
4539 /* Setup the SSID */
4540 entry = proc_create_data("SSID",
4541 S_IFREG | proc_perm,
4542 apriv->proc_entry, &proc_SSID_ops, dev);
4543 if (!entry)
4544 goto fail_ssid;
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
4547
4548 /* Setup the APList */
4549 entry = proc_create_data("APList",
4550 S_IFREG | proc_perm,
4551 apriv->proc_entry, &proc_APList_ops, dev);
4552 if (!entry)
4553 goto fail_aplist;
4554 entry->uid = proc_uid;
4555 entry->gid = proc_gid;
4556
4557 /* Setup the BSSList */
4558 entry = proc_create_data("BSSList",
4559 S_IFREG | proc_perm,
4560 apriv->proc_entry, &proc_BSSList_ops, dev);
4561 if (!entry)
4562 goto fail_bsslist;
4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
4565
4566 /* Setup the WepKey */
4567 entry = proc_create_data("WepKey",
4568 S_IFREG | proc_perm,
4569 apriv->proc_entry, &proc_wepkey_ops, dev);
4570 if (!entry)
4571 goto fail_wepkey;
4572 entry->uid = proc_uid;
4573 entry->gid = proc_gid;
4574
4575 return 0;
4576
4577 fail_wepkey:
4578 remove_proc_entry("BSSList", apriv->proc_entry);
4579 fail_bsslist:
4580 remove_proc_entry("APList", apriv->proc_entry);
4581 fail_aplist:
4582 remove_proc_entry("SSID", apriv->proc_entry);
4583 fail_ssid:
4584 remove_proc_entry("Config", apriv->proc_entry);
4585 fail_config:
4586 remove_proc_entry("Status", apriv->proc_entry);
4587 fail_status:
4588 remove_proc_entry("Stats", apriv->proc_entry);
4589 fail_stats:
4590 remove_proc_entry("StatsDelta", apriv->proc_entry);
4591 fail_stats_delta:
4592 remove_proc_entry(apriv->proc_name, airo_entry);
4593 fail:
4594 return -ENOMEM;
4595 }
4596
4597 static int takedown_proc_entry( struct net_device *dev,
4598 struct airo_info *apriv ) {
4599 if ( !apriv->proc_entry->namelen ) return 0;
4600 remove_proc_entry("Stats",apriv->proc_entry);
4601 remove_proc_entry("StatsDelta",apriv->proc_entry);
4602 remove_proc_entry("Status",apriv->proc_entry);
4603 remove_proc_entry("Config",apriv->proc_entry);
4604 remove_proc_entry("SSID",apriv->proc_entry);
4605 remove_proc_entry("APList",apriv->proc_entry);
4606 remove_proc_entry("BSSList",apriv->proc_entry);
4607 remove_proc_entry("WepKey",apriv->proc_entry);
4608 remove_proc_entry(apriv->proc_name,airo_entry);
4609 return 0;
4610 }
4611
4612 /*
4613 * What we want from the proc_fs is to be able to efficiently read
4614 * and write the configuration. To do this, we want to read the
4615 * configuration when the file is opened and write it when the file is
4616 * closed. So basically we allocate a read buffer at open and fill it
4617 * with data, and allocate a write buffer and read it at close.
4618 */
4619
4620 /*
4621 * The read routine is generic, it relies on the preallocated rbuffer
4622 * to supply the data.
4623 */
4624 static ssize_t proc_read( struct file *file,
4625 char __user *buffer,
4626 size_t len,
4627 loff_t *offset )
4628 {
4629 struct proc_data *priv = file->private_data;
4630
4631 if (!priv->rbuffer)
4632 return -EINVAL;
4633
4634 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4635 priv->readlen);
4636 }
4637
4638 /*
4639 * The write routine is generic, it fills in a preallocated rbuffer
4640 * to supply the data.
4641 */
4642 static ssize_t proc_write( struct file *file,
4643 const char __user *buffer,
4644 size_t len,
4645 loff_t *offset )
4646 {
4647 loff_t pos = *offset;
4648 struct proc_data *priv = file->private_data;
4649
4650 if (!priv->wbuffer)
4651 return -EINVAL;
4652
4653 if (pos < 0)
4654 return -EINVAL;
4655 if (pos >= priv->maxwritelen)
4656 return 0;
4657 if (len > priv->maxwritelen - pos)
4658 len = priv->maxwritelen - pos;
4659 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4660 return -EFAULT;
4661 if ( pos + len > priv->writelen )
4662 priv->writelen = len + file->f_pos;
4663 *offset = pos + len;
4664 return len;
4665 }
4666
4667 static int proc_status_open(struct inode *inode, struct file *file)
4668 {
4669 struct proc_data *data;
4670 struct proc_dir_entry *dp = PDE(inode);
4671 struct net_device *dev = dp->data;
4672 struct airo_info *apriv = dev->ml_priv;
4673 CapabilityRid cap_rid;
4674 StatusRid status_rid;
4675 u16 mode;
4676 int i;
4677
4678 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4679 return -ENOMEM;
4680 data = file->private_data;
4681 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4682 kfree (file->private_data);
4683 return -ENOMEM;
4684 }
4685
4686 readStatusRid(apriv, &status_rid, 1);
4687 readCapabilityRid(apriv, &cap_rid, 1);
4688
4689 mode = le16_to_cpu(status_rid.mode);
4690
4691 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4692 mode & 1 ? "CFG ": "",
4693 mode & 2 ? "ACT ": "",
4694 mode & 0x10 ? "SYN ": "",
4695 mode & 0x20 ? "LNK ": "",
4696 mode & 0x40 ? "LEAP ": "",
4697 mode & 0x80 ? "PRIV ": "",
4698 mode & 0x100 ? "KEY ": "",
4699 mode & 0x200 ? "WEP ": "",
4700 mode & 0x8000 ? "ERR ": "");
4701 sprintf( data->rbuffer+i, "Mode: %x\n"
4702 "Signal Strength: %d\n"
4703 "Signal Quality: %d\n"
4704 "SSID: %-.*s\n"
4705 "AP: %-.16s\n"
4706 "Freq: %d\n"
4707 "BitRate: %dmbs\n"
4708 "Driver Version: %s\n"
4709 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4710 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4711 "Software Version: %x\nSoftware Subversion: %x\n"
4712 "Boot block version: %x\n",
4713 le16_to_cpu(status_rid.mode),
4714 le16_to_cpu(status_rid.normalizedSignalStrength),
4715 le16_to_cpu(status_rid.signalQuality),
4716 le16_to_cpu(status_rid.SSIDlen),
4717 status_rid.SSID,
4718 status_rid.apName,
4719 le16_to_cpu(status_rid.channel),
4720 le16_to_cpu(status_rid.currentXmitRate) / 2,
4721 version,
4722 cap_rid.prodName,
4723 cap_rid.manName,
4724 cap_rid.prodVer,
4725 le16_to_cpu(cap_rid.radioType),
4726 le16_to_cpu(cap_rid.country),
4727 le16_to_cpu(cap_rid.hardVer),
4728 le16_to_cpu(cap_rid.softVer),
4729 le16_to_cpu(cap_rid.softSubVer),
4730 le16_to_cpu(cap_rid.bootBlockVer));
4731 data->readlen = strlen( data->rbuffer );
4732 return 0;
4733 }
4734
4735 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4736 static int proc_statsdelta_open( struct inode *inode,
4737 struct file *file ) {
4738 if (file->f_mode&FMODE_WRITE) {
4739 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4740 }
4741 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4742 }
4743
4744 static int proc_stats_open( struct inode *inode, struct file *file ) {
4745 return proc_stats_rid_open(inode, file, RID_STATS);
4746 }
4747
4748 static int proc_stats_rid_open( struct inode *inode,
4749 struct file *file,
4750 u16 rid )
4751 {
4752 struct proc_data *data;
4753 struct proc_dir_entry *dp = PDE(inode);
4754 struct net_device *dev = dp->data;
4755 struct airo_info *apriv = dev->ml_priv;
4756 StatsRid stats;
4757 int i, j;
4758 __le32 *vals = stats.vals;
4759 int len;
4760
4761 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4762 return -ENOMEM;
4763 data = file->private_data;
4764 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4765 kfree (file->private_data);
4766 return -ENOMEM;
4767 }
4768
4769 readStatsRid(apriv, &stats, rid, 1);
4770 len = le16_to_cpu(stats.len);
4771
4772 j = 0;
4773 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4774 if (!statsLabels[i]) continue;
4775 if (j+strlen(statsLabels[i])+16>4096) {
4776 airo_print_warn(apriv->dev->name,
4777 "Potentially disasterous buffer overflow averted!");
4778 break;
4779 }
4780 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4781 le32_to_cpu(vals[i]));
4782 }
4783 if (i*4 >= len) {
4784 airo_print_warn(apriv->dev->name, "Got a short rid");
4785 }
4786 data->readlen = j;
4787 return 0;
4788 }
4789
4790 static int get_dec_u16( char *buffer, int *start, int limit ) {
4791 u16 value;
4792 int valid = 0;
4793 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4794 buffer[*start] <= '9'; (*start)++) {
4795 valid = 1;
4796 value *= 10;
4797 value += buffer[*start] - '0';
4798 }
4799 if ( !valid ) return -1;
4800 return value;
4801 }
4802
4803 static int airo_config_commit(struct net_device *dev,
4804 struct iw_request_info *info, void *zwrq,
4805 char *extra);
4806
4807 static inline int sniffing_mode(struct airo_info *ai)
4808 {
4809 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4810 le16_to_cpu(RXMODE_RFMON);
4811 }
4812
4813 static void proc_config_on_close(struct inode *inode, struct file *file)
4814 {
4815 struct proc_data *data = file->private_data;
4816 struct proc_dir_entry *dp = PDE(inode);
4817 struct net_device *dev = dp->data;
4818 struct airo_info *ai = dev->ml_priv;
4819 char *line;
4820
4821 if ( !data->writelen ) return;
4822
4823 readConfigRid(ai, 1);
4824 set_bit (FLAG_COMMIT, &ai->flags);
4825
4826 line = data->wbuffer;
4827 while( line[0] ) {
4828 /*** Mode processing */
4829 if ( !strncmp( line, "Mode: ", 6 ) ) {
4830 line += 6;
4831 if (sniffing_mode(ai))
4832 set_bit (FLAG_RESET, &ai->flags);
4833 ai->config.rmode &= ~RXMODE_FULL_MASK;
4834 clear_bit (FLAG_802_11, &ai->flags);
4835 ai->config.opmode &= ~MODE_CFG_MASK;
4836 ai->config.scanMode = SCANMODE_ACTIVE;
4837 if ( line[0] == 'a' ) {
4838 ai->config.opmode |= MODE_STA_IBSS;
4839 } else {
4840 ai->config.opmode |= MODE_STA_ESS;
4841 if ( line[0] == 'r' ) {
4842 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4843 ai->config.scanMode = SCANMODE_PASSIVE;
4844 set_bit (FLAG_802_11, &ai->flags);
4845 } else if ( line[0] == 'y' ) {
4846 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4847 ai->config.scanMode = SCANMODE_PASSIVE;
4848 set_bit (FLAG_802_11, &ai->flags);
4849 } else if ( line[0] == 'l' )
4850 ai->config.rmode |= RXMODE_LANMON;
4851 }
4852 set_bit (FLAG_COMMIT, &ai->flags);
4853 }
4854
4855 /*** Radio status */
4856 else if (!strncmp(line,"Radio: ", 7)) {
4857 line += 7;
4858 if (!strncmp(line,"off",3)) {
4859 set_bit (FLAG_RADIO_OFF, &ai->flags);
4860 } else {
4861 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4862 }
4863 }
4864 /*** NodeName processing */
4865 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4866 int j;
4867
4868 line += 10;
4869 memset( ai->config.nodeName, 0, 16 );
4870 /* Do the name, assume a space between the mode and node name */
4871 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4872 ai->config.nodeName[j] = line[j];
4873 }
4874 set_bit (FLAG_COMMIT, &ai->flags);
4875 }
4876
4877 /*** PowerMode processing */
4878 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4879 line += 11;
4880 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4881 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 } else if ( !strncmp( line, "PSP", 3 ) ) {
4884 ai->config.powerSaveMode = POWERSAVE_PSP;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else {
4887 ai->config.powerSaveMode = POWERSAVE_CAM;
4888 set_bit (FLAG_COMMIT, &ai->flags);
4889 }
4890 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4891 int v, i = 0, k = 0; /* i is index into line,
4892 k is index to rates */
4893
4894 line += 11;
4895 while((v = get_dec_u16(line, &i, 3))!=-1) {
4896 ai->config.rates[k++] = (u8)v;
4897 line += i + 1;
4898 i = 0;
4899 }
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4902 int v, i = 0;
4903 line += 9;
4904 v = get_dec_u16(line, &i, i+3);
4905 if ( v != -1 ) {
4906 ai->config.channelSet = cpu_to_le16(v);
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 }
4909 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4910 int v, i = 0;
4911 line += 11;
4912 v = get_dec_u16(line, &i, i+3);
4913 if ( v != -1 ) {
4914 ai->config.txPower = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 }
4917 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4918 line += 5;
4919 switch( line[0] ) {
4920 case 's':
4921 ai->config.authType = AUTH_SHAREDKEY;
4922 break;
4923 case 'e':
4924 ai->config.authType = AUTH_ENCRYPT;
4925 break;
4926 default:
4927 ai->config.authType = AUTH_OPEN;
4928 break;
4929 }
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4932 int v, i = 0;
4933
4934 line += 16;
4935 v = get_dec_u16(line, &i, 3);
4936 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4937 ai->config.longRetryLimit = cpu_to_le16(v);
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4940 int v, i = 0;
4941
4942 line += 17;
4943 v = get_dec_u16(line, &i, 3);
4944 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4945 ai->config.shortRetryLimit = cpu_to_le16(v);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4948 int v, i = 0;
4949
4950 line += 14;
4951 v = get_dec_u16(line, &i, 4);
4952 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4953 ai->config.rtsThres = cpu_to_le16(v);
4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4956 int v, i = 0;
4957
4958 line += 16;
4959 v = get_dec_u16(line, &i, 5);
4960 v = (v<0) ? 0 : v;
4961 ai->config.txLifetime = cpu_to_le16(v);
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4964 int v, i = 0;
4965
4966 line += 16;
4967 v = get_dec_u16(line, &i, 5);
4968 v = (v<0) ? 0 : v;
4969 ai->config.rxLifetime = cpu_to_le16(v);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4972 ai->config.txDiversity =
4973 (line[13]=='l') ? 1 :
4974 ((line[13]=='r')? 2: 3);
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4977 ai->config.rxDiversity =
4978 (line[13]=='l') ? 1 :
4979 ((line[13]=='r')? 2: 3);
4980 set_bit (FLAG_COMMIT, &ai->flags);
4981 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4982 int v, i = 0;
4983
4984 line += 15;
4985 v = get_dec_u16(line, &i, 4);
4986 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4987 v = v & 0xfffe; /* Make sure its even */
4988 ai->config.fragThresh = cpu_to_le16(v);
4989 set_bit (FLAG_COMMIT, &ai->flags);
4990 } else if (!strncmp(line, "Modulation: ", 12)) {
4991 line += 12;
4992 switch(*line) {
4993 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4994 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4997 }
4998 } else if (!strncmp(line, "Preamble: ", 10)) {
4999 line += 10;
5000 switch(*line) {
5001 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5002 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5004 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5005 }
5006 } else {
5007 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5008 }
5009 while( line[0] && line[0] != '\n' ) line++;
5010 if ( line[0] ) line++;
5011 }
5012 airo_config_commit(dev, NULL, NULL, NULL);
5013 }
5014
5015 static const char *get_rmode(__le16 mode)
5016 {
5017 switch(mode & RXMODE_MASK) {
5018 case RXMODE_RFMON: return "rfmon";
5019 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5020 case RXMODE_LANMON: return "lanmon";
5021 }
5022 return "ESS";
5023 }
5024
5025 static int proc_config_open(struct inode *inode, struct file *file)
5026 {
5027 struct proc_data *data;
5028 struct proc_dir_entry *dp = PDE(inode);
5029 struct net_device *dev = dp->data;
5030 struct airo_info *ai = dev->ml_priv;
5031 int i;
5032 __le16 mode;
5033
5034 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5035 return -ENOMEM;
5036 data = file->private_data;
5037 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5038 kfree (file->private_data);
5039 return -ENOMEM;
5040 }
5041 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5042 kfree (data->rbuffer);
5043 kfree (file->private_data);
5044 return -ENOMEM;
5045 }
5046 data->maxwritelen = 2048;
5047 data->on_close = proc_config_on_close;
5048
5049 readConfigRid(ai, 1);
5050
5051 mode = ai->config.opmode & MODE_CFG_MASK;
5052 i = sprintf( data->rbuffer,
5053 "Mode: %s\n"
5054 "Radio: %s\n"
5055 "NodeName: %-16s\n"
5056 "PowerMode: %s\n"
5057 "DataRates: %d %d %d %d %d %d %d %d\n"
5058 "Channel: %d\n"
5059 "XmitPower: %d\n",
5060 mode == MODE_STA_IBSS ? "adhoc" :
5061 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5062 mode == MODE_AP ? "AP" :
5063 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5064 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5065 ai->config.nodeName,
5066 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5067 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5068 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5069 "Error",
5070 (int)ai->config.rates[0],
5071 (int)ai->config.rates[1],
5072 (int)ai->config.rates[2],
5073 (int)ai->config.rates[3],
5074 (int)ai->config.rates[4],
5075 (int)ai->config.rates[5],
5076 (int)ai->config.rates[6],
5077 (int)ai->config.rates[7],
5078 le16_to_cpu(ai->config.channelSet),
5079 le16_to_cpu(ai->config.txPower)
5080 );
5081 sprintf( data->rbuffer + i,
5082 "LongRetryLimit: %d\n"
5083 "ShortRetryLimit: %d\n"
5084 "RTSThreshold: %d\n"
5085 "TXMSDULifetime: %d\n"
5086 "RXMSDULifetime: %d\n"
5087 "TXDiversity: %s\n"
5088 "RXDiversity: %s\n"
5089 "FragThreshold: %d\n"
5090 "WEP: %s\n"
5091 "Modulation: %s\n"
5092 "Preamble: %s\n",
5093 le16_to_cpu(ai->config.longRetryLimit),
5094 le16_to_cpu(ai->config.shortRetryLimit),
5095 le16_to_cpu(ai->config.rtsThres),
5096 le16_to_cpu(ai->config.txLifetime),
5097 le16_to_cpu(ai->config.rxLifetime),
5098 ai->config.txDiversity == 1 ? "left" :
5099 ai->config.txDiversity == 2 ? "right" : "both",
5100 ai->config.rxDiversity == 1 ? "left" :
5101 ai->config.rxDiversity == 2 ? "right" : "both",
5102 le16_to_cpu(ai->config.fragThresh),
5103 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5104 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5105 ai->config.modulation == MOD_DEFAULT ? "default" :
5106 ai->config.modulation == MOD_CCK ? "cck" :
5107 ai->config.modulation == MOD_MOK ? "mok" : "error",
5108 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5109 ai->config.preamble == PREAMBLE_LONG ? "long" :
5110 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5111 );
5112 data->readlen = strlen( data->rbuffer );
5113 return 0;
5114 }
5115
5116 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5117 {
5118 struct proc_data *data = file->private_data;
5119 struct proc_dir_entry *dp = PDE(inode);
5120 struct net_device *dev = dp->data;
5121 struct airo_info *ai = dev->ml_priv;
5122 SsidRid SSID_rid;
5123 int i;
5124 char *p = data->wbuffer;
5125 char *end = p + data->writelen;
5126
5127 if (!data->writelen)
5128 return;
5129
5130 *end = '\n'; /* sentinel; we have space for it */
5131
5132 memset(&SSID_rid, 0, sizeof(SSID_rid));
5133
5134 for (i = 0; i < 3 && p < end; i++) {
5135 int j = 0;
5136 /* copy up to 32 characters from this line */
5137 while (*p != '\n' && j < 32)
5138 SSID_rid.ssids[i].ssid[j++] = *p++;
5139 if (j == 0)
5140 break;
5141 SSID_rid.ssids[i].len = cpu_to_le16(j);
5142 /* skip to the beginning of the next line */
5143 while (*p++ != '\n')
5144 ;
5145 }
5146 if (i)
5147 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5148 disable_MAC(ai, 1);
5149 writeSsidRid(ai, &SSID_rid, 1);
5150 enable_MAC(ai, 1);
5151 }
5152
5153 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5154 struct proc_data *data = file->private_data;
5155 struct proc_dir_entry *dp = PDE(inode);
5156 struct net_device *dev = dp->data;
5157 struct airo_info *ai = dev->ml_priv;
5158 APListRid APList_rid;
5159 int i;
5160
5161 if ( !data->writelen ) return;
5162
5163 memset( &APList_rid, 0, sizeof(APList_rid) );
5164 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5165
5166 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5167 int j;
5168 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5169 switch(j%3) {
5170 case 0:
5171 APList_rid.ap[i][j/3]=
5172 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5173 break;
5174 case 1:
5175 APList_rid.ap[i][j/3]|=
5176 hex_to_bin(data->wbuffer[j+i*6*3]);
5177 break;
5178 }
5179 }
5180 }
5181 disable_MAC(ai, 1);
5182 writeAPListRid(ai, &APList_rid, 1);
5183 enable_MAC(ai, 1);
5184 }
5185
5186 /* This function wraps PC4500_writerid with a MAC disable */
5187 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5188 int len, int dummy ) {
5189 int rc;
5190
5191 disable_MAC(ai, 1);
5192 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5193 enable_MAC(ai, 1);
5194 return rc;
5195 }
5196
5197 /* Returns the WEP key at the specified index, or -1 if that key does
5198 * not exist. The buffer is assumed to be at least 16 bytes in length.
5199 */
5200 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5201 {
5202 WepKeyRid wkr;
5203 int rc;
5204 __le16 lastindex;
5205
5206 rc = readWepKeyRid(ai, &wkr, 1, 1);
5207 if (rc != SUCCESS)
5208 return -1;
5209 do {
5210 lastindex = wkr.kindex;
5211 if (le16_to_cpu(wkr.kindex) == index) {
5212 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5213 memcpy(buf, wkr.key, klen);
5214 return klen;
5215 }
5216 rc = readWepKeyRid(ai, &wkr, 0, 1);
5217 if (rc != SUCCESS)
5218 return -1;
5219 } while (lastindex != wkr.kindex);
5220 return -1;
5221 }
5222
5223 static int get_wep_tx_idx(struct airo_info *ai)
5224 {
5225 WepKeyRid wkr;
5226 int rc;
5227 __le16 lastindex;
5228
5229 rc = readWepKeyRid(ai, &wkr, 1, 1);
5230 if (rc != SUCCESS)
5231 return -1;
5232 do {
5233 lastindex = wkr.kindex;
5234 if (wkr.kindex == cpu_to_le16(0xffff))
5235 return wkr.mac[0];
5236 rc = readWepKeyRid(ai, &wkr, 0, 1);
5237 if (rc != SUCCESS)
5238 return -1;
5239 } while (lastindex != wkr.kindex);
5240 return -1;
5241 }
5242
5243 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5244 u16 keylen, int perm, int lock)
5245 {
5246 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5247 WepKeyRid wkr;
5248 int rc;
5249
5250 if (WARN_ON(keylen == 0))
5251 return -1;
5252
5253 memset(&wkr, 0, sizeof(wkr));
5254 wkr.len = cpu_to_le16(sizeof(wkr));
5255 wkr.kindex = cpu_to_le16(index);
5256 wkr.klen = cpu_to_le16(keylen);
5257 memcpy(wkr.key, key, keylen);
5258 memcpy(wkr.mac, macaddr, ETH_ALEN);
5259
5260 if (perm) disable_MAC(ai, lock);
5261 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5262 if (perm) enable_MAC(ai, lock);
5263 return rc;
5264 }
5265
5266 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5267 {
5268 WepKeyRid wkr;
5269 int rc;
5270
5271 memset(&wkr, 0, sizeof(wkr));
5272 wkr.len = cpu_to_le16(sizeof(wkr));
5273 wkr.kindex = cpu_to_le16(0xffff);
5274 wkr.mac[0] = (char)index;
5275
5276 if (perm) {
5277 ai->defindex = (char)index;
5278 disable_MAC(ai, lock);
5279 }
5280
5281 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5282
5283 if (perm)
5284 enable_MAC(ai, lock);
5285 return rc;
5286 }
5287
5288 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5289 struct proc_data *data;
5290 struct proc_dir_entry *dp = PDE(inode);
5291 struct net_device *dev = dp->data;
5292 struct airo_info *ai = dev->ml_priv;
5293 int i, rc;
5294 char key[16];
5295 u16 index = 0;
5296 int j = 0;
5297
5298 memset(key, 0, sizeof(key));
5299
5300 data = file->private_data;
5301 if ( !data->writelen ) return;
5302
5303 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5304 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5305 index = data->wbuffer[0] - '0';
5306 if (data->wbuffer[1] == '\n') {
5307 rc = set_wep_tx_idx(ai, index, 1, 1);
5308 if (rc < 0) {
5309 airo_print_err(ai->dev->name, "failed to set "
5310 "WEP transmit index to %d: %d.",
5311 index, rc);
5312 }
5313 return;
5314 }
5315 j = 2;
5316 } else {
5317 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5318 return;
5319 }
5320
5321 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5322 switch(i%3) {
5323 case 0:
5324 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5325 break;
5326 case 1:
5327 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5328 break;
5329 }
5330 }
5331
5332 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5333 if (rc < 0) {
5334 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5335 "%d: %d.", index, rc);
5336 }
5337 }
5338
5339 static int proc_wepkey_open( struct inode *inode, struct file *file )
5340 {
5341 struct proc_data *data;
5342 struct proc_dir_entry *dp = PDE(inode);
5343 struct net_device *dev = dp->data;
5344 struct airo_info *ai = dev->ml_priv;
5345 char *ptr;
5346 WepKeyRid wkr;
5347 __le16 lastindex;
5348 int j=0;
5349 int rc;
5350
5351 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5352 return -ENOMEM;
5353 memset(&wkr, 0, sizeof(wkr));
5354 data = file->private_data;
5355 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5356 kfree (file->private_data);
5357 return -ENOMEM;
5358 }
5359 data->writelen = 0;
5360 data->maxwritelen = 80;
5361 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5362 kfree (data->rbuffer);
5363 kfree (file->private_data);
5364 return -ENOMEM;
5365 }
5366 data->on_close = proc_wepkey_on_close;
5367
5368 ptr = data->rbuffer;
5369 strcpy(ptr, "No wep keys\n");
5370 rc = readWepKeyRid(ai, &wkr, 1, 1);
5371 if (rc == SUCCESS) do {
5372 lastindex = wkr.kindex;
5373 if (wkr.kindex == cpu_to_le16(0xffff)) {
5374 j += sprintf(ptr+j, "Tx key = %d\n",
5375 (int)wkr.mac[0]);
5376 } else {
5377 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5378 le16_to_cpu(wkr.kindex),
5379 le16_to_cpu(wkr.klen));
5380 }
5381 readWepKeyRid(ai, &wkr, 0, 1);
5382 } while((lastindex != wkr.kindex) && (j < 180-30));
5383
5384 data->readlen = strlen( data->rbuffer );
5385 return 0;
5386 }
5387
5388 static int proc_SSID_open(struct inode *inode, struct file *file)
5389 {
5390 struct proc_data *data;
5391 struct proc_dir_entry *dp = PDE(inode);
5392 struct net_device *dev = dp->data;
5393 struct airo_info *ai = dev->ml_priv;
5394 int i;
5395 char *ptr;
5396 SsidRid SSID_rid;
5397
5398 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5399 return -ENOMEM;
5400 data = file->private_data;
5401 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5402 kfree (file->private_data);
5403 return -ENOMEM;
5404 }
5405 data->writelen = 0;
5406 data->maxwritelen = 33*3;
5407 /* allocate maxwritelen + 1; we'll want a sentinel */
5408 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5409 kfree (data->rbuffer);
5410 kfree (file->private_data);
5411 return -ENOMEM;
5412 }
5413 data->on_close = proc_SSID_on_close;
5414
5415 readSsidRid(ai, &SSID_rid);
5416 ptr = data->rbuffer;
5417 for (i = 0; i < 3; i++) {
5418 int j;
5419 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5420 if (!len)
5421 break;
5422 if (len > 32)
5423 len = 32;
5424 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5425 *ptr++ = SSID_rid.ssids[i].ssid[j];
5426 *ptr++ = '\n';
5427 }
5428 *ptr = '\0';
5429 data->readlen = strlen( data->rbuffer );
5430 return 0;
5431 }
5432
5433 static int proc_APList_open( struct inode *inode, struct file *file ) {
5434 struct proc_data *data;
5435 struct proc_dir_entry *dp = PDE(inode);
5436 struct net_device *dev = dp->data;
5437 struct airo_info *ai = dev->ml_priv;
5438 int i;
5439 char *ptr;
5440 APListRid APList_rid;
5441
5442 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5443 return -ENOMEM;
5444 data = file->private_data;
5445 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5446 kfree (file->private_data);
5447 return -ENOMEM;
5448 }
5449 data->writelen = 0;
5450 data->maxwritelen = 4*6*3;
5451 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5452 kfree (data->rbuffer);
5453 kfree (file->private_data);
5454 return -ENOMEM;
5455 }
5456 data->on_close = proc_APList_on_close;
5457
5458 readAPListRid(ai, &APList_rid);
5459 ptr = data->rbuffer;
5460 for( i = 0; i < 4; i++ ) {
5461 // We end when we find a zero MAC
5462 if ( !*(int*)APList_rid.ap[i] &&
5463 !*(int*)&APList_rid.ap[i][2]) break;
5464 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5465 }
5466 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5467
5468 *ptr = '\0';
5469 data->readlen = strlen( data->rbuffer );
5470 return 0;
5471 }
5472
5473 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5474 struct proc_data *data;
5475 struct proc_dir_entry *dp = PDE(inode);
5476 struct net_device *dev = dp->data;
5477 struct airo_info *ai = dev->ml_priv;
5478 char *ptr;
5479 BSSListRid BSSList_rid;
5480 int rc;
5481 /* If doLoseSync is not 1, we won't do a Lose Sync */
5482 int doLoseSync = -1;
5483
5484 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5485 return -ENOMEM;
5486 data = file->private_data;
5487 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5488 kfree (file->private_data);
5489 return -ENOMEM;
5490 }
5491 data->writelen = 0;
5492 data->maxwritelen = 0;
5493 data->wbuffer = NULL;
5494 data->on_close = NULL;
5495
5496 if (file->f_mode & FMODE_WRITE) {
5497 if (!(file->f_mode & FMODE_READ)) {
5498 Cmd cmd;
5499 Resp rsp;
5500
5501 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5502 memset(&cmd, 0, sizeof(cmd));
5503 cmd.cmd=CMD_LISTBSS;
5504 if (down_interruptible(&ai->sem))
5505 return -ERESTARTSYS;
5506 issuecommand(ai, &cmd, &rsp);
5507 up(&ai->sem);
5508 data->readlen = 0;
5509 return 0;
5510 }
5511 doLoseSync = 1;
5512 }
5513 ptr = data->rbuffer;
5514 /* There is a race condition here if there are concurrent opens.
5515 Since it is a rare condition, we'll just live with it, otherwise
5516 we have to add a spin lock... */
5517 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5518 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5519 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5520 BSSList_rid.bssid,
5521 (int)BSSList_rid.ssidLen,
5522 BSSList_rid.ssid,
5523 le16_to_cpu(BSSList_rid.dBm));
5524 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5525 le16_to_cpu(BSSList_rid.dsChannel),
5526 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5527 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5528 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5529 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5530 rc = readBSSListRid(ai, 0, &BSSList_rid);
5531 }
5532 *ptr = '\0';
5533 data->readlen = strlen( data->rbuffer );
5534 return 0;
5535 }
5536
5537 static int proc_close( struct inode *inode, struct file *file )
5538 {
5539 struct proc_data *data = file->private_data;
5540
5541 if (data->on_close != NULL)
5542 data->on_close(inode, file);
5543 kfree(data->rbuffer);
5544 kfree(data->wbuffer);
5545 kfree(data);
5546 return 0;
5547 }
5548
5549 /* Since the card doesn't automatically switch to the right WEP mode,
5550 we will make it do it. If the card isn't associated, every secs we
5551 will switch WEP modes to see if that will help. If the card is
5552 associated we will check every minute to see if anything has
5553 changed. */
5554 static void timer_func( struct net_device *dev ) {
5555 struct airo_info *apriv = dev->ml_priv;
5556
5557 /* We don't have a link so try changing the authtype */
5558 readConfigRid(apriv, 0);
5559 disable_MAC(apriv, 0);
5560 switch(apriv->config.authType) {
5561 case AUTH_ENCRYPT:
5562 /* So drop to OPEN */
5563 apriv->config.authType = AUTH_OPEN;
5564 break;
5565 case AUTH_SHAREDKEY:
5566 if (apriv->keyindex < auto_wep) {
5567 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5568 apriv->config.authType = AUTH_SHAREDKEY;
5569 apriv->keyindex++;
5570 } else {
5571 /* Drop to ENCRYPT */
5572 apriv->keyindex = 0;
5573 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5574 apriv->config.authType = AUTH_ENCRYPT;
5575 }
5576 break;
5577 default: /* We'll escalate to SHAREDKEY */
5578 apriv->config.authType = AUTH_SHAREDKEY;
5579 }
5580 set_bit (FLAG_COMMIT, &apriv->flags);
5581 writeConfigRid(apriv, 0);
5582 enable_MAC(apriv, 0);
5583 up(&apriv->sem);
5584
5585 /* Schedule check to see if the change worked */
5586 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5587 apriv->expires = RUN_AT(HZ*3);
5588 }
5589
5590 #ifdef CONFIG_PCI
5591 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5592 const struct pci_device_id *pent)
5593 {
5594 struct net_device *dev;
5595
5596 if (pci_enable_device(pdev))
5597 return -ENODEV;
5598 pci_set_master(pdev);
5599
5600 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5601 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5602 else
5603 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5604 if (!dev) {
5605 pci_disable_device(pdev);
5606 return -ENODEV;
5607 }
5608
5609 pci_set_drvdata(pdev, dev);
5610 return 0;
5611 }
5612
5613 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5614 {
5615 struct net_device *dev = pci_get_drvdata(pdev);
5616
5617 airo_print_info(dev->name, "Unregistering...");
5618 stop_airo_card(dev, 1);
5619 pci_disable_device(pdev);
5620 pci_set_drvdata(pdev, NULL);
5621 }
5622
5623 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5624 {
5625 struct net_device *dev = pci_get_drvdata(pdev);
5626 struct airo_info *ai = dev->ml_priv;
5627 Cmd cmd;
5628 Resp rsp;
5629
5630 if (!ai->APList)
5631 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5632 if (!ai->APList)
5633 return -ENOMEM;
5634 if (!ai->SSID)
5635 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5636 if (!ai->SSID)
5637 return -ENOMEM;
5638 readAPListRid(ai, ai->APList);
5639 readSsidRid(ai, ai->SSID);
5640 memset(&cmd, 0, sizeof(cmd));
5641 /* the lock will be released at the end of the resume callback */
5642 if (down_interruptible(&ai->sem))
5643 return -EAGAIN;
5644 disable_MAC(ai, 0);
5645 netif_device_detach(dev);
5646 ai->power = state;
5647 cmd.cmd = HOSTSLEEP;
5648 issuecommand(ai, &cmd, &rsp);
5649
5650 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5651 pci_save_state(pdev);
5652 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5653 return 0;
5654 }
5655
5656 static int airo_pci_resume(struct pci_dev *pdev)
5657 {
5658 struct net_device *dev = pci_get_drvdata(pdev);
5659 struct airo_info *ai = dev->ml_priv;
5660 pci_power_t prev_state = pdev->current_state;
5661
5662 pci_set_power_state(pdev, PCI_D0);
5663 pci_restore_state(pdev);
5664 pci_enable_wake(pdev, PCI_D0, 0);
5665
5666 if (prev_state != PCI_D1) {
5667 reset_card(dev, 0);
5668 mpi_init_descriptors(ai);
5669 setup_card(ai, dev->dev_addr, 0);
5670 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5671 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5672 } else {
5673 OUT4500(ai, EVACK, EV_AWAKEN);
5674 OUT4500(ai, EVACK, EV_AWAKEN);
5675 msleep(100);
5676 }
5677
5678 set_bit(FLAG_COMMIT, &ai->flags);
5679 disable_MAC(ai, 0);
5680 msleep(200);
5681 if (ai->SSID) {
5682 writeSsidRid(ai, ai->SSID, 0);
5683 kfree(ai->SSID);
5684 ai->SSID = NULL;
5685 }
5686 if (ai->APList) {
5687 writeAPListRid(ai, ai->APList, 0);
5688 kfree(ai->APList);
5689 ai->APList = NULL;
5690 }
5691 writeConfigRid(ai, 0);
5692 enable_MAC(ai, 0);
5693 ai->power = PMSG_ON;
5694 netif_device_attach(dev);
5695 netif_wake_queue(dev);
5696 enable_interrupts(ai);
5697 up(&ai->sem);
5698 return 0;
5699 }
5700 #endif
5701
5702 static int __init airo_init_module( void )
5703 {
5704 int i;
5705
5706 airo_entry = create_proc_entry("driver/aironet",
5707 S_IFDIR | airo_perm,
5708 NULL);
5709
5710 if (airo_entry) {
5711 airo_entry->uid = proc_uid;
5712 airo_entry->gid = proc_gid;
5713 }
5714
5715 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5716 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5717 "io=0x%x", irq[i], io[i] );
5718 if (init_airo_card( irq[i], io[i], 0, NULL ))
5719 /* do nothing */ ;
5720 }
5721
5722 #ifdef CONFIG_PCI
5723 airo_print_info("", "Probing for PCI adapters");
5724 i = pci_register_driver(&airo_driver);
5725 airo_print_info("", "Finished probing for PCI adapters");
5726
5727 if (i) {
5728 remove_proc_entry("driver/aironet", NULL);
5729 return i;
5730 }
5731 #endif
5732
5733 /* Always exit with success, as we are a library module
5734 * as well as a driver module
5735 */
5736 return 0;
5737 }
5738
5739 static void __exit airo_cleanup_module( void )
5740 {
5741 struct airo_info *ai;
5742 while(!list_empty(&airo_devices)) {
5743 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5744 airo_print_info(ai->dev->name, "Unregistering...");
5745 stop_airo_card(ai->dev, 1);
5746 }
5747 #ifdef CONFIG_PCI
5748 pci_unregister_driver(&airo_driver);
5749 #endif
5750 remove_proc_entry("driver/aironet", NULL);
5751 }
5752
5753 /*
5754 * Initial Wireless Extension code for Aironet driver by :
5755 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5756 * Conversion to new driver API by :
5757 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5758 * Javier also did a good amount of work here, adding some new extensions
5759 * and fixing my code. Let's just say that without him this code just
5760 * would not work at all... - Jean II
5761 */
5762
5763 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5764 {
5765 if (!rssi_rid)
5766 return 0;
5767
5768 return (0x100 - rssi_rid[rssi].rssidBm);
5769 }
5770
5771 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5772 {
5773 int i;
5774
5775 if (!rssi_rid)
5776 return 0;
5777
5778 for (i = 0; i < 256; i++)
5779 if (rssi_rid[i].rssidBm == dbm)
5780 return rssi_rid[i].rssipct;
5781
5782 return 0;
5783 }
5784
5785
5786 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5787 {
5788 int quality = 0;
5789 u16 sq;
5790
5791 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5792 return 0;
5793
5794 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5795 return 0;
5796
5797 sq = le16_to_cpu(status_rid->signalQuality);
5798 if (memcmp(cap_rid->prodName, "350", 3))
5799 if (sq > 0x20)
5800 quality = 0;
5801 else
5802 quality = 0x20 - sq;
5803 else
5804 if (sq > 0xb0)
5805 quality = 0;
5806 else if (sq < 0x10)
5807 quality = 0xa0;
5808 else
5809 quality = 0xb0 - sq;
5810 return quality;
5811 }
5812
5813 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5814 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5815
5816 /*------------------------------------------------------------------*/
5817 /*
5818 * Wireless Handler : get protocol name
5819 */
5820 static int airo_get_name(struct net_device *dev,
5821 struct iw_request_info *info,
5822 char *cwrq,
5823 char *extra)
5824 {
5825 strcpy(cwrq, "IEEE 802.11-DS");
5826 return 0;
5827 }
5828
5829 /*------------------------------------------------------------------*/
5830 /*
5831 * Wireless Handler : set frequency
5832 */
5833 static int airo_set_freq(struct net_device *dev,
5834 struct iw_request_info *info,
5835 struct iw_freq *fwrq,
5836 char *extra)
5837 {
5838 struct airo_info *local = dev->ml_priv;
5839 int rc = -EINPROGRESS; /* Call commit handler */
5840
5841 /* If setting by frequency, convert to a channel */
5842 if(fwrq->e == 1) {
5843 int f = fwrq->m / 100000;
5844
5845 /* Hack to fall through... */
5846 fwrq->e = 0;
5847 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5848 }
5849 /* Setting by channel number */
5850 if((fwrq->m > 1000) || (fwrq->e > 0))
5851 rc = -EOPNOTSUPP;
5852 else {
5853 int channel = fwrq->m;
5854 /* We should do a better check than that,
5855 * based on the card capability !!! */
5856 if((channel < 1) || (channel > 14)) {
5857 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5858 fwrq->m);
5859 rc = -EINVAL;
5860 } else {
5861 readConfigRid(local, 1);
5862 /* Yes ! We can set it !!! */
5863 local->config.channelSet = cpu_to_le16(channel);
5864 set_bit (FLAG_COMMIT, &local->flags);
5865 }
5866 }
5867 return rc;
5868 }
5869
5870 /*------------------------------------------------------------------*/
5871 /*
5872 * Wireless Handler : get frequency
5873 */
5874 static int airo_get_freq(struct net_device *dev,
5875 struct iw_request_info *info,
5876 struct iw_freq *fwrq,
5877 char *extra)
5878 {
5879 struct airo_info *local = dev->ml_priv;
5880 StatusRid status_rid; /* Card status info */
5881 int ch;
5882
5883 readConfigRid(local, 1);
5884 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5885 status_rid.channel = local->config.channelSet;
5886 else
5887 readStatusRid(local, &status_rid, 1);
5888
5889 ch = le16_to_cpu(status_rid.channel);
5890 if((ch > 0) && (ch < 15)) {
5891 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5892 fwrq->e = 1;
5893 } else {
5894 fwrq->m = ch;
5895 fwrq->e = 0;
5896 }
5897
5898 return 0;
5899 }
5900
5901 /*------------------------------------------------------------------*/
5902 /*
5903 * Wireless Handler : set ESSID
5904 */
5905 static int airo_set_essid(struct net_device *dev,
5906 struct iw_request_info *info,
5907 struct iw_point *dwrq,
5908 char *extra)
5909 {
5910 struct airo_info *local = dev->ml_priv;
5911 SsidRid SSID_rid; /* SSIDs */
5912
5913 /* Reload the list of current SSID */
5914 readSsidRid(local, &SSID_rid);
5915
5916 /* Check if we asked for `any' */
5917 if (dwrq->flags == 0) {
5918 /* Just send an empty SSID list */
5919 memset(&SSID_rid, 0, sizeof(SSID_rid));
5920 } else {
5921 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5922
5923 /* Check the size of the string */
5924 if (dwrq->length > IW_ESSID_MAX_SIZE)
5925 return -E2BIG ;
5926
5927 /* Check if index is valid */
5928 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5929 return -EINVAL;
5930
5931 /* Set the SSID */
5932 memset(SSID_rid.ssids[index].ssid, 0,
5933 sizeof(SSID_rid.ssids[index].ssid));
5934 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5935 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5936 }
5937 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5938 /* Write it to the card */
5939 disable_MAC(local, 1);
5940 writeSsidRid(local, &SSID_rid, 1);
5941 enable_MAC(local, 1);
5942
5943 return 0;
5944 }
5945
5946 /*------------------------------------------------------------------*/
5947 /*
5948 * Wireless Handler : get ESSID
5949 */
5950 static int airo_get_essid(struct net_device *dev,
5951 struct iw_request_info *info,
5952 struct iw_point *dwrq,
5953 char *extra)
5954 {
5955 struct airo_info *local = dev->ml_priv;
5956 StatusRid status_rid; /* Card status info */
5957
5958 readStatusRid(local, &status_rid, 1);
5959
5960 /* Note : if dwrq->flags != 0, we should
5961 * get the relevant SSID from the SSID list... */
5962
5963 /* Get the current SSID */
5964 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5965 /* If none, we may want to get the one that was set */
5966
5967 /* Push it out ! */
5968 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5969 dwrq->flags = 1; /* active */
5970
5971 return 0;
5972 }
5973
5974 /*------------------------------------------------------------------*/
5975 /*
5976 * Wireless Handler : set AP address
5977 */
5978 static int airo_set_wap(struct net_device *dev,
5979 struct iw_request_info *info,
5980 struct sockaddr *awrq,
5981 char *extra)
5982 {
5983 struct airo_info *local = dev->ml_priv;
5984 Cmd cmd;
5985 Resp rsp;
5986 APListRid APList_rid;
5987 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5988 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5989
5990 if (awrq->sa_family != ARPHRD_ETHER)
5991 return -EINVAL;
5992 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5993 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5994 memset(&cmd, 0, sizeof(cmd));
5995 cmd.cmd=CMD_LOSE_SYNC;
5996 if (down_interruptible(&local->sem))
5997 return -ERESTARTSYS;
5998 issuecommand(local, &cmd, &rsp);
5999 up(&local->sem);
6000 } else {
6001 memset(&APList_rid, 0, sizeof(APList_rid));
6002 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6003 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6004 disable_MAC(local, 1);
6005 writeAPListRid(local, &APList_rid, 1);
6006 enable_MAC(local, 1);
6007 }
6008 return 0;
6009 }
6010
6011 /*------------------------------------------------------------------*/
6012 /*
6013 * Wireless Handler : get AP address
6014 */
6015 static int airo_get_wap(struct net_device *dev,
6016 struct iw_request_info *info,
6017 struct sockaddr *awrq,
6018 char *extra)
6019 {
6020 struct airo_info *local = dev->ml_priv;
6021 StatusRid status_rid; /* Card status info */
6022
6023 readStatusRid(local, &status_rid, 1);
6024
6025 /* Tentative. This seems to work, wow, I'm lucky !!! */
6026 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6027 awrq->sa_family = ARPHRD_ETHER;
6028
6029 return 0;
6030 }
6031
6032 /*------------------------------------------------------------------*/
6033 /*
6034 * Wireless Handler : set Nickname
6035 */
6036 static int airo_set_nick(struct net_device *dev,
6037 struct iw_request_info *info,
6038 struct iw_point *dwrq,
6039 char *extra)
6040 {
6041 struct airo_info *local = dev->ml_priv;
6042
6043 /* Check the size of the string */
6044 if(dwrq->length > 16) {
6045 return -E2BIG;
6046 }
6047 readConfigRid(local, 1);
6048 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6049 memcpy(local->config.nodeName, extra, dwrq->length);
6050 set_bit (FLAG_COMMIT, &local->flags);
6051
6052 return -EINPROGRESS; /* Call commit handler */
6053 }
6054
6055 /*------------------------------------------------------------------*/
6056 /*
6057 * Wireless Handler : get Nickname
6058 */
6059 static int airo_get_nick(struct net_device *dev,
6060 struct iw_request_info *info,
6061 struct iw_point *dwrq,
6062 char *extra)
6063 {
6064 struct airo_info *local = dev->ml_priv;
6065
6066 readConfigRid(local, 1);
6067 strncpy(extra, local->config.nodeName, 16);
6068 extra[16] = '\0';
6069 dwrq->length = strlen(extra);
6070
6071 return 0;
6072 }
6073
6074 /*------------------------------------------------------------------*/
6075 /*
6076 * Wireless Handler : set Bit-Rate
6077 */
6078 static int airo_set_rate(struct net_device *dev,
6079 struct iw_request_info *info,
6080 struct iw_param *vwrq,
6081 char *extra)
6082 {
6083 struct airo_info *local = dev->ml_priv;
6084 CapabilityRid cap_rid; /* Card capability info */
6085 u8 brate = 0;
6086 int i;
6087
6088 /* First : get a valid bit rate value */
6089 readCapabilityRid(local, &cap_rid, 1);
6090
6091 /* Which type of value ? */
6092 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6093 /* Setting by rate index */
6094 /* Find value in the magic rate table */
6095 brate = cap_rid.supportedRates[vwrq->value];
6096 } else {
6097 /* Setting by frequency value */
6098 u8 normvalue = (u8) (vwrq->value/500000);
6099
6100 /* Check if rate is valid */
6101 for(i = 0 ; i < 8 ; i++) {
6102 if(normvalue == cap_rid.supportedRates[i]) {
6103 brate = normvalue;
6104 break;
6105 }
6106 }
6107 }
6108 /* -1 designed the max rate (mostly auto mode) */
6109 if(vwrq->value == -1) {
6110 /* Get the highest available rate */
6111 for(i = 0 ; i < 8 ; i++) {
6112 if(cap_rid.supportedRates[i] == 0)
6113 break;
6114 }
6115 if(i != 0)
6116 brate = cap_rid.supportedRates[i - 1];
6117 }
6118 /* Check that it is valid */
6119 if(brate == 0) {
6120 return -EINVAL;
6121 }
6122
6123 readConfigRid(local, 1);
6124 /* Now, check if we want a fixed or auto value */
6125 if(vwrq->fixed == 0) {
6126 /* Fill all the rates up to this max rate */
6127 memset(local->config.rates, 0, 8);
6128 for(i = 0 ; i < 8 ; i++) {
6129 local->config.rates[i] = cap_rid.supportedRates[i];
6130 if(local->config.rates[i] == brate)
6131 break;
6132 }
6133 } else {
6134 /* Fixed mode */
6135 /* One rate, fixed */
6136 memset(local->config.rates, 0, 8);
6137 local->config.rates[0] = brate;
6138 }
6139 set_bit (FLAG_COMMIT, &local->flags);
6140
6141 return -EINPROGRESS; /* Call commit handler */
6142 }
6143
6144 /*------------------------------------------------------------------*/
6145 /*
6146 * Wireless Handler : get Bit-Rate
6147 */
6148 static int airo_get_rate(struct net_device *dev,
6149 struct iw_request_info *info,
6150 struct iw_param *vwrq,
6151 char *extra)
6152 {
6153 struct airo_info *local = dev->ml_priv;
6154 StatusRid status_rid; /* Card status info */
6155
6156 readStatusRid(local, &status_rid, 1);
6157
6158 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6159 /* If more than one rate, set auto */
6160 readConfigRid(local, 1);
6161 vwrq->fixed = (local->config.rates[1] == 0);
6162
6163 return 0;
6164 }
6165
6166 /*------------------------------------------------------------------*/
6167 /*
6168 * Wireless Handler : set RTS threshold
6169 */
6170 static int airo_set_rts(struct net_device *dev,
6171 struct iw_request_info *info,
6172 struct iw_param *vwrq,
6173 char *extra)
6174 {
6175 struct airo_info *local = dev->ml_priv;
6176 int rthr = vwrq->value;
6177
6178 if(vwrq->disabled)
6179 rthr = AIRO_DEF_MTU;
6180 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6181 return -EINVAL;
6182 }
6183 readConfigRid(local, 1);
6184 local->config.rtsThres = cpu_to_le16(rthr);
6185 set_bit (FLAG_COMMIT, &local->flags);
6186
6187 return -EINPROGRESS; /* Call commit handler */
6188 }
6189
6190 /*------------------------------------------------------------------*/
6191 /*
6192 * Wireless Handler : get RTS threshold
6193 */
6194 static int airo_get_rts(struct net_device *dev,
6195 struct iw_request_info *info,
6196 struct iw_param *vwrq,
6197 char *extra)
6198 {
6199 struct airo_info *local = dev->ml_priv;
6200
6201 readConfigRid(local, 1);
6202 vwrq->value = le16_to_cpu(local->config.rtsThres);
6203 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6204 vwrq->fixed = 1;
6205
6206 return 0;
6207 }
6208
6209 /*------------------------------------------------------------------*/
6210 /*
6211 * Wireless Handler : set Fragmentation threshold
6212 */
6213 static int airo_set_frag(struct net_device *dev,
6214 struct iw_request_info *info,
6215 struct iw_param *vwrq,
6216 char *extra)
6217 {
6218 struct airo_info *local = dev->ml_priv;
6219 int fthr = vwrq->value;
6220
6221 if(vwrq->disabled)
6222 fthr = AIRO_DEF_MTU;
6223 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6224 return -EINVAL;
6225 }
6226 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6227 readConfigRid(local, 1);
6228 local->config.fragThresh = cpu_to_le16(fthr);
6229 set_bit (FLAG_COMMIT, &local->flags);
6230
6231 return -EINPROGRESS; /* Call commit handler */
6232 }
6233
6234 /*------------------------------------------------------------------*/
6235 /*
6236 * Wireless Handler : get Fragmentation threshold
6237 */
6238 static int airo_get_frag(struct net_device *dev,
6239 struct iw_request_info *info,
6240 struct iw_param *vwrq,
6241 char *extra)
6242 {
6243 struct airo_info *local = dev->ml_priv;
6244
6245 readConfigRid(local, 1);
6246 vwrq->value = le16_to_cpu(local->config.fragThresh);
6247 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6248 vwrq->fixed = 1;
6249
6250 return 0;
6251 }
6252
6253 /*------------------------------------------------------------------*/
6254 /*
6255 * Wireless Handler : set Mode of Operation
6256 */
6257 static int airo_set_mode(struct net_device *dev,
6258 struct iw_request_info *info,
6259 __u32 *uwrq,
6260 char *extra)
6261 {
6262 struct airo_info *local = dev->ml_priv;
6263 int reset = 0;
6264
6265 readConfigRid(local, 1);
6266 if (sniffing_mode(local))
6267 reset = 1;
6268
6269 switch(*uwrq) {
6270 case IW_MODE_ADHOC:
6271 local->config.opmode &= ~MODE_CFG_MASK;
6272 local->config.opmode |= MODE_STA_IBSS;
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_INFRA:
6278 local->config.opmode &= ~MODE_CFG_MASK;
6279 local->config.opmode |= MODE_STA_ESS;
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_MASTER:
6285 local->config.opmode &= ~MODE_CFG_MASK;
6286 local->config.opmode |= MODE_AP;
6287 local->config.rmode &= ~RXMODE_FULL_MASK;
6288 local->config.scanMode = SCANMODE_ACTIVE;
6289 clear_bit (FLAG_802_11, &local->flags);
6290 break;
6291 case IW_MODE_REPEAT:
6292 local->config.opmode &= ~MODE_CFG_MASK;
6293 local->config.opmode |= MODE_AP_RPTR;
6294 local->config.rmode &= ~RXMODE_FULL_MASK;
6295 local->config.scanMode = SCANMODE_ACTIVE;
6296 clear_bit (FLAG_802_11, &local->flags);
6297 break;
6298 case IW_MODE_MONITOR:
6299 local->config.opmode &= ~MODE_CFG_MASK;
6300 local->config.opmode |= MODE_STA_ESS;
6301 local->config.rmode &= ~RXMODE_FULL_MASK;
6302 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6303 local->config.scanMode = SCANMODE_PASSIVE;
6304 set_bit (FLAG_802_11, &local->flags);
6305 break;
6306 default:
6307 return -EINVAL;
6308 }
6309 if (reset)
6310 set_bit (FLAG_RESET, &local->flags);
6311 set_bit (FLAG_COMMIT, &local->flags);
6312
6313 return -EINPROGRESS; /* Call commit handler */
6314 }
6315
6316 /*------------------------------------------------------------------*/
6317 /*
6318 * Wireless Handler : get Mode of Operation
6319 */
6320 static int airo_get_mode(struct net_device *dev,
6321 struct iw_request_info *info,
6322 __u32 *uwrq,
6323 char *extra)
6324 {
6325 struct airo_info *local = dev->ml_priv;
6326
6327 readConfigRid(local, 1);
6328 /* If not managed, assume it's ad-hoc */
6329 switch (local->config.opmode & MODE_CFG_MASK) {
6330 case MODE_STA_ESS:
6331 *uwrq = IW_MODE_INFRA;
6332 break;
6333 case MODE_AP:
6334 *uwrq = IW_MODE_MASTER;
6335 break;
6336 case MODE_AP_RPTR:
6337 *uwrq = IW_MODE_REPEAT;
6338 break;
6339 default:
6340 *uwrq = IW_MODE_ADHOC;
6341 }
6342
6343 return 0;
6344 }
6345
6346 static inline int valid_index(struct airo_info *ai, int index)
6347 {
6348 return (index >= 0) && (index <= ai->max_wep_idx);
6349 }
6350
6351 /*------------------------------------------------------------------*/
6352 /*
6353 * Wireless Handler : set Encryption Key
6354 */
6355 static int airo_set_encode(struct net_device *dev,
6356 struct iw_request_info *info,
6357 struct iw_point *dwrq,
6358 char *extra)
6359 {
6360 struct airo_info *local = dev->ml_priv;
6361 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6362 __le16 currentAuthType = local->config.authType;
6363 int rc = 0;
6364
6365 if (!local->wep_capable)
6366 return -EOPNOTSUPP;
6367
6368 readConfigRid(local, 1);
6369
6370 /* Basic checking: do we have a key to set ?
6371 * Note : with the new API, it's impossible to get a NULL pointer.
6372 * Therefore, we need to check a key size == 0 instead.
6373 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6374 * when no key is present (only change flags), but older versions
6375 * don't do it. - Jean II */
6376 if (dwrq->length > 0) {
6377 wep_key_t key;
6378 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6379 int current_index;
6380
6381 /* Check the size of the key */
6382 if (dwrq->length > MAX_KEY_SIZE) {
6383 return -EINVAL;
6384 }
6385
6386 current_index = get_wep_tx_idx(local);
6387 if (current_index < 0)
6388 current_index = 0;
6389
6390 /* Check the index (none -> use current) */
6391 if (!valid_index(local, index))
6392 index = current_index;
6393
6394 /* Set the length */
6395 if (dwrq->length > MIN_KEY_SIZE)
6396 key.len = MAX_KEY_SIZE;
6397 else
6398 key.len = MIN_KEY_SIZE;
6399 /* Check if the key is not marked as invalid */
6400 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6401 /* Cleanup */
6402 memset(key.key, 0, MAX_KEY_SIZE);
6403 /* Copy the key in the driver */
6404 memcpy(key.key, extra, dwrq->length);
6405 /* Send the key to the card */
6406 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6407 if (rc < 0) {
6408 airo_print_err(local->dev->name, "failed to set"
6409 " WEP key at index %d: %d.",
6410 index, rc);
6411 return rc;
6412 }
6413 }
6414 /* WE specify that if a valid key is set, encryption
6415 * should be enabled (user may turn it off later)
6416 * This is also how "iwconfig ethX key on" works */
6417 if((index == current_index) && (key.len > 0) &&
6418 (local->config.authType == AUTH_OPEN)) {
6419 local->config.authType = AUTH_ENCRYPT;
6420 }
6421 } else {
6422 /* Do we want to just set the transmit key index ? */
6423 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6424 if (valid_index(local, index)) {
6425 rc = set_wep_tx_idx(local, index, perm, 1);
6426 if (rc < 0) {
6427 airo_print_err(local->dev->name, "failed to set"
6428 " WEP transmit index to %d: %d.",
6429 index, rc);
6430 return rc;
6431 }
6432 } else {
6433 /* Don't complain if only change the mode */
6434 if (!(dwrq->flags & IW_ENCODE_MODE))
6435 return -EINVAL;
6436 }
6437 }
6438 /* Read the flags */
6439 if(dwrq->flags & IW_ENCODE_DISABLED)
6440 local->config.authType = AUTH_OPEN; // disable encryption
6441 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6442 local->config.authType = AUTH_SHAREDKEY; // Only Both
6443 if(dwrq->flags & IW_ENCODE_OPEN)
6444 local->config.authType = AUTH_ENCRYPT; // Only Wep
6445 /* Commit the changes to flags if needed */
6446 if (local->config.authType != currentAuthType)
6447 set_bit (FLAG_COMMIT, &local->flags);
6448 return -EINPROGRESS; /* Call commit handler */
6449 }
6450
6451 /*------------------------------------------------------------------*/
6452 /*
6453 * Wireless Handler : get Encryption Key
6454 */
6455 static int airo_get_encode(struct net_device *dev,
6456 struct iw_request_info *info,
6457 struct iw_point *dwrq,
6458 char *extra)
6459 {
6460 struct airo_info *local = dev->ml_priv;
6461 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6462 int wep_key_len;
6463 u8 buf[16];
6464
6465 if (!local->wep_capable)
6466 return -EOPNOTSUPP;
6467
6468 readConfigRid(local, 1);
6469
6470 /* Check encryption mode */
6471 switch(local->config.authType) {
6472 case AUTH_ENCRYPT:
6473 dwrq->flags = IW_ENCODE_OPEN;
6474 break;
6475 case AUTH_SHAREDKEY:
6476 dwrq->flags = IW_ENCODE_RESTRICTED;
6477 break;
6478 default:
6479 case AUTH_OPEN:
6480 dwrq->flags = IW_ENCODE_DISABLED;
6481 break;
6482 }
6483 /* We can't return the key, so set the proper flag and return zero */
6484 dwrq->flags |= IW_ENCODE_NOKEY;
6485 memset(extra, 0, 16);
6486
6487 /* Which key do we want ? -1 -> tx index */
6488 if (!valid_index(local, index)) {
6489 index = get_wep_tx_idx(local);
6490 if (index < 0)
6491 index = 0;
6492 }
6493 dwrq->flags |= index + 1;
6494
6495 /* Copy the key to the user buffer */
6496 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6497 if (wep_key_len < 0) {
6498 dwrq->length = 0;
6499 } else {
6500 dwrq->length = wep_key_len;
6501 memcpy(extra, buf, dwrq->length);
6502 }
6503
6504 return 0;
6505 }
6506
6507 /*------------------------------------------------------------------*/
6508 /*
6509 * Wireless Handler : set extended Encryption parameters
6510 */
6511 static int airo_set_encodeext(struct net_device *dev,
6512 struct iw_request_info *info,
6513 union iwreq_data *wrqu,
6514 char *extra)
6515 {
6516 struct airo_info *local = dev->ml_priv;
6517 struct iw_point *encoding = &wrqu->encoding;
6518 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6519 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6520 __le16 currentAuthType = local->config.authType;
6521 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6522 wep_key_t key;
6523
6524 if (!local->wep_capable)
6525 return -EOPNOTSUPP;
6526
6527 readConfigRid(local, 1);
6528
6529 /* Determine and validate the key index */
6530 idx = encoding->flags & IW_ENCODE_INDEX;
6531 if (idx) {
6532 if (!valid_index(local, idx - 1))
6533 return -EINVAL;
6534 idx--;
6535 } else {
6536 idx = get_wep_tx_idx(local);
6537 if (idx < 0)
6538 idx = 0;
6539 }
6540
6541 if (encoding->flags & IW_ENCODE_DISABLED)
6542 alg = IW_ENCODE_ALG_NONE;
6543
6544 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6545 /* Only set transmit key index here, actual
6546 * key is set below if needed.
6547 */
6548 rc = set_wep_tx_idx(local, idx, perm, 1);
6549 if (rc < 0) {
6550 airo_print_err(local->dev->name, "failed to set "
6551 "WEP transmit index to %d: %d.",
6552 idx, rc);
6553 return rc;
6554 }
6555 set_key = ext->key_len > 0 ? 1 : 0;
6556 }
6557
6558 if (set_key) {
6559 /* Set the requested key first */
6560 memset(key.key, 0, MAX_KEY_SIZE);
6561 switch (alg) {
6562 case IW_ENCODE_ALG_NONE:
6563 key.len = 0;
6564 break;
6565 case IW_ENCODE_ALG_WEP:
6566 if (ext->key_len > MIN_KEY_SIZE) {
6567 key.len = MAX_KEY_SIZE;
6568 } else if (ext->key_len > 0) {
6569 key.len = MIN_KEY_SIZE;
6570 } else {
6571 return -EINVAL;
6572 }
6573 key_len = min (ext->key_len, key.len);
6574 memcpy(key.key, ext->key, key_len);
6575 break;
6576 default:
6577 return -EINVAL;
6578 }
6579 if (key.len == 0) {
6580 rc = set_wep_tx_idx(local, idx, perm, 1);
6581 if (rc < 0) {
6582 airo_print_err(local->dev->name,
6583 "failed to set WEP transmit index to %d: %d.",
6584 idx, rc);
6585 return rc;
6586 }
6587 } else {
6588 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6589 if (rc < 0) {
6590 airo_print_err(local->dev->name,
6591 "failed to set WEP key at index %d: %d.",
6592 idx, rc);
6593 return rc;
6594 }
6595 }
6596 }
6597
6598 /* Read the flags */
6599 if(encoding->flags & IW_ENCODE_DISABLED)
6600 local->config.authType = AUTH_OPEN; // disable encryption
6601 if(encoding->flags & IW_ENCODE_RESTRICTED)
6602 local->config.authType = AUTH_SHAREDKEY; // Only Both
6603 if(encoding->flags & IW_ENCODE_OPEN)
6604 local->config.authType = AUTH_ENCRYPT; // Only Wep
6605 /* Commit the changes to flags if needed */
6606 if (local->config.authType != currentAuthType)
6607 set_bit (FLAG_COMMIT, &local->flags);
6608
6609 return -EINPROGRESS;
6610 }
6611
6612
6613 /*------------------------------------------------------------------*/
6614 /*
6615 * Wireless Handler : get extended Encryption parameters
6616 */
6617 static int airo_get_encodeext(struct net_device *dev,
6618 struct iw_request_info *info,
6619 union iwreq_data *wrqu,
6620 char *extra)
6621 {
6622 struct airo_info *local = dev->ml_priv;
6623 struct iw_point *encoding = &wrqu->encoding;
6624 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6625 int idx, max_key_len, wep_key_len;
6626 u8 buf[16];
6627
6628 if (!local->wep_capable)
6629 return -EOPNOTSUPP;
6630
6631 readConfigRid(local, 1);
6632
6633 max_key_len = encoding->length - sizeof(*ext);
6634 if (max_key_len < 0)
6635 return -EINVAL;
6636
6637 idx = encoding->flags & IW_ENCODE_INDEX;
6638 if (idx) {
6639 if (!valid_index(local, idx - 1))
6640 return -EINVAL;
6641 idx--;
6642 } else {
6643 idx = get_wep_tx_idx(local);
6644 if (idx < 0)
6645 idx = 0;
6646 }
6647
6648 encoding->flags = idx + 1;
6649 memset(ext, 0, sizeof(*ext));
6650
6651 /* Check encryption mode */
6652 switch(local->config.authType) {
6653 case AUTH_ENCRYPT:
6654 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6655 break;
6656 case AUTH_SHAREDKEY:
6657 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6658 break;
6659 default:
6660 case AUTH_OPEN:
6661 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6662 break;
6663 }
6664 /* We can't return the key, so set the proper flag and return zero */
6665 encoding->flags |= IW_ENCODE_NOKEY;
6666 memset(extra, 0, 16);
6667
6668 /* Copy the key to the user buffer */
6669 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6670 if (wep_key_len < 0) {
6671 ext->key_len = 0;
6672 } else {
6673 ext->key_len = wep_key_len;
6674 memcpy(extra, buf, ext->key_len);
6675 }
6676
6677 return 0;
6678 }
6679
6680
6681 /*------------------------------------------------------------------*/
6682 /*
6683 * Wireless Handler : set extended authentication parameters
6684 */
6685 static int airo_set_auth(struct net_device *dev,
6686 struct iw_request_info *info,
6687 union iwreq_data *wrqu, char *extra)
6688 {
6689 struct airo_info *local = dev->ml_priv;
6690 struct iw_param *param = &wrqu->param;
6691 __le16 currentAuthType = local->config.authType;
6692
6693 switch (param->flags & IW_AUTH_INDEX) {
6694 case IW_AUTH_WPA_VERSION:
6695 case IW_AUTH_CIPHER_PAIRWISE:
6696 case IW_AUTH_CIPHER_GROUP:
6697 case IW_AUTH_KEY_MGMT:
6698 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6699 case IW_AUTH_PRIVACY_INVOKED:
6700 /*
6701 * airo does not use these parameters
6702 */
6703 break;
6704
6705 case IW_AUTH_DROP_UNENCRYPTED:
6706 if (param->value) {
6707 /* Only change auth type if unencrypted */
6708 if (currentAuthType == AUTH_OPEN)
6709 local->config.authType = AUTH_ENCRYPT;
6710 } else {
6711 local->config.authType = AUTH_OPEN;
6712 }
6713
6714 /* Commit the changes to flags if needed */
6715 if (local->config.authType != currentAuthType)
6716 set_bit (FLAG_COMMIT, &local->flags);
6717 break;
6718
6719 case IW_AUTH_80211_AUTH_ALG: {
6720 /* FIXME: What about AUTH_OPEN? This API seems to
6721 * disallow setting our auth to AUTH_OPEN.
6722 */
6723 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6724 local->config.authType = AUTH_SHAREDKEY;
6725 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6726 local->config.authType = AUTH_ENCRYPT;
6727 } else
6728 return -EINVAL;
6729
6730 /* Commit the changes to flags if needed */
6731 if (local->config.authType != currentAuthType)
6732 set_bit (FLAG_COMMIT, &local->flags);
6733 break;
6734 }
6735
6736 case IW_AUTH_WPA_ENABLED:
6737 /* Silently accept disable of WPA */
6738 if (param->value > 0)
6739 return -EOPNOTSUPP;
6740 break;
6741
6742 default:
6743 return -EOPNOTSUPP;
6744 }
6745 return -EINPROGRESS;
6746 }
6747
6748
6749 /*------------------------------------------------------------------*/
6750 /*
6751 * Wireless Handler : get extended authentication parameters
6752 */
6753 static int airo_get_auth(struct net_device *dev,
6754 struct iw_request_info *info,
6755 union iwreq_data *wrqu, char *extra)
6756 {
6757 struct airo_info *local = dev->ml_priv;
6758 struct iw_param *param = &wrqu->param;
6759 __le16 currentAuthType = local->config.authType;
6760
6761 switch (param->flags & IW_AUTH_INDEX) {
6762 case IW_AUTH_DROP_UNENCRYPTED:
6763 switch (currentAuthType) {
6764 case AUTH_SHAREDKEY:
6765 case AUTH_ENCRYPT:
6766 param->value = 1;
6767 break;
6768 default:
6769 param->value = 0;
6770 break;
6771 }
6772 break;
6773
6774 case IW_AUTH_80211_AUTH_ALG:
6775 switch (currentAuthType) {
6776 case AUTH_SHAREDKEY:
6777 param->value = IW_AUTH_ALG_SHARED_KEY;
6778 break;
6779 case AUTH_ENCRYPT:
6780 default:
6781 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6782 break;
6783 }
6784 break;
6785
6786 case IW_AUTH_WPA_ENABLED:
6787 param->value = 0;
6788 break;
6789
6790 default:
6791 return -EOPNOTSUPP;
6792 }
6793 return 0;
6794 }
6795
6796
6797 /*------------------------------------------------------------------*/
6798 /*
6799 * Wireless Handler : set Tx-Power
6800 */
6801 static int airo_set_txpow(struct net_device *dev,
6802 struct iw_request_info *info,
6803 struct iw_param *vwrq,
6804 char *extra)
6805 {
6806 struct airo_info *local = dev->ml_priv;
6807 CapabilityRid cap_rid; /* Card capability info */
6808 int i;
6809 int rc = -EINVAL;
6810 __le16 v = cpu_to_le16(vwrq->value);
6811
6812 readCapabilityRid(local, &cap_rid, 1);
6813
6814 if (vwrq->disabled) {
6815 set_bit (FLAG_RADIO_OFF, &local->flags);
6816 set_bit (FLAG_COMMIT, &local->flags);
6817 return -EINPROGRESS; /* Call commit handler */
6818 }
6819 if (vwrq->flags != IW_TXPOW_MWATT) {
6820 return -EINVAL;
6821 }
6822 clear_bit (FLAG_RADIO_OFF, &local->flags);
6823 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6824 if (v == cap_rid.txPowerLevels[i]) {
6825 readConfigRid(local, 1);
6826 local->config.txPower = v;
6827 set_bit (FLAG_COMMIT, &local->flags);
6828 rc = -EINPROGRESS; /* Call commit handler */
6829 break;
6830 }
6831 return rc;
6832 }
6833
6834 /*------------------------------------------------------------------*/
6835 /*
6836 * Wireless Handler : get Tx-Power
6837 */
6838 static int airo_get_txpow(struct net_device *dev,
6839 struct iw_request_info *info,
6840 struct iw_param *vwrq,
6841 char *extra)
6842 {
6843 struct airo_info *local = dev->ml_priv;
6844
6845 readConfigRid(local, 1);
6846 vwrq->value = le16_to_cpu(local->config.txPower);
6847 vwrq->fixed = 1; /* No power control */
6848 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6849 vwrq->flags = IW_TXPOW_MWATT;
6850
6851 return 0;
6852 }
6853
6854 /*------------------------------------------------------------------*/
6855 /*
6856 * Wireless Handler : set Retry limits
6857 */
6858 static int airo_set_retry(struct net_device *dev,
6859 struct iw_request_info *info,
6860 struct iw_param *vwrq,
6861 char *extra)
6862 {
6863 struct airo_info *local = dev->ml_priv;
6864 int rc = -EINVAL;
6865
6866 if(vwrq->disabled) {
6867 return -EINVAL;
6868 }
6869 readConfigRid(local, 1);
6870 if(vwrq->flags & IW_RETRY_LIMIT) {
6871 __le16 v = cpu_to_le16(vwrq->value);
6872 if(vwrq->flags & IW_RETRY_LONG)
6873 local->config.longRetryLimit = v;
6874 else if (vwrq->flags & IW_RETRY_SHORT)
6875 local->config.shortRetryLimit = v;
6876 else {
6877 /* No modifier : set both */
6878 local->config.longRetryLimit = v;
6879 local->config.shortRetryLimit = v;
6880 }
6881 set_bit (FLAG_COMMIT, &local->flags);
6882 rc = -EINPROGRESS; /* Call commit handler */
6883 }
6884 if(vwrq->flags & IW_RETRY_LIFETIME) {
6885 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6886 set_bit (FLAG_COMMIT, &local->flags);
6887 rc = -EINPROGRESS; /* Call commit handler */
6888 }
6889 return rc;
6890 }
6891
6892 /*------------------------------------------------------------------*/
6893 /*
6894 * Wireless Handler : get Retry limits
6895 */
6896 static int airo_get_retry(struct net_device *dev,
6897 struct iw_request_info *info,
6898 struct iw_param *vwrq,
6899 char *extra)
6900 {
6901 struct airo_info *local = dev->ml_priv;
6902
6903 vwrq->disabled = 0; /* Can't be disabled */
6904
6905 readConfigRid(local, 1);
6906 /* Note : by default, display the min retry number */
6907 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6908 vwrq->flags = IW_RETRY_LIFETIME;
6909 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6910 } else if((vwrq->flags & IW_RETRY_LONG)) {
6911 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6912 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6913 } else {
6914 vwrq->flags = IW_RETRY_LIMIT;
6915 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6916 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6917 vwrq->flags |= IW_RETRY_SHORT;
6918 }
6919
6920 return 0;
6921 }
6922
6923 /*------------------------------------------------------------------*/
6924 /*
6925 * Wireless Handler : get range info
6926 */
6927 static int airo_get_range(struct net_device *dev,
6928 struct iw_request_info *info,
6929 struct iw_point *dwrq,
6930 char *extra)
6931 {
6932 struct airo_info *local = dev->ml_priv;
6933 struct iw_range *range = (struct iw_range *) extra;
6934 CapabilityRid cap_rid; /* Card capability info */
6935 int i;
6936 int k;
6937
6938 readCapabilityRid(local, &cap_rid, 1);
6939
6940 dwrq->length = sizeof(struct iw_range);
6941 memset(range, 0, sizeof(*range));
6942 range->min_nwid = 0x0000;
6943 range->max_nwid = 0x0000;
6944 range->num_channels = 14;
6945 /* Should be based on cap_rid.country to give only
6946 * what the current card support */
6947 k = 0;
6948 for(i = 0; i < 14; i++) {
6949 range->freq[k].i = i + 1; /* List index */
6950 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6951 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6952 }
6953 range->num_frequency = k;
6954
6955 range->sensitivity = 65535;
6956
6957 /* Hum... Should put the right values there */
6958 if (local->rssi)
6959 range->max_qual.qual = 100; /* % */
6960 else
6961 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6962 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6963 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6964
6965 /* Experimental measurements - boundary 11/5.5 Mb/s */
6966 /* Note : with or without the (local->rssi), results
6967 * are somewhat different. - Jean II */
6968 if (local->rssi) {
6969 range->avg_qual.qual = 50; /* % */
6970 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6971 } else {
6972 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6973 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6974 }
6975 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6976
6977 for(i = 0 ; i < 8 ; i++) {
6978 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6979 if(range->bitrate[i] == 0)
6980 break;
6981 }
6982 range->num_bitrates = i;
6983
6984 /* Set an indication of the max TCP throughput
6985 * in bit/s that we can expect using this interface.
6986 * May be use for QoS stuff... Jean II */
6987 if(i > 2)
6988 range->throughput = 5000 * 1000;
6989 else
6990 range->throughput = 1500 * 1000;
6991
6992 range->min_rts = 0;
6993 range->max_rts = AIRO_DEF_MTU;
6994 range->min_frag = 256;
6995 range->max_frag = AIRO_DEF_MTU;
6996
6997 if(cap_rid.softCap & cpu_to_le16(2)) {
6998 // WEP: RC4 40 bits
6999 range->encoding_size[0] = 5;
7000 // RC4 ~128 bits
7001 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7002 range->encoding_size[1] = 13;
7003 range->num_encoding_sizes = 2;
7004 } else
7005 range->num_encoding_sizes = 1;
7006 range->max_encoding_tokens =
7007 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7008 } else {
7009 range->num_encoding_sizes = 0;
7010 range->max_encoding_tokens = 0;
7011 }
7012 range->min_pmp = 0;
7013 range->max_pmp = 5000000; /* 5 secs */
7014 range->min_pmt = 0;
7015 range->max_pmt = 65535 * 1024; /* ??? */
7016 range->pmp_flags = IW_POWER_PERIOD;
7017 range->pmt_flags = IW_POWER_TIMEOUT;
7018 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7019
7020 /* Transmit Power - values are in mW */
7021 for(i = 0 ; i < 8 ; i++) {
7022 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7023 if(range->txpower[i] == 0)
7024 break;
7025 }
7026 range->num_txpower = i;
7027 range->txpower_capa = IW_TXPOW_MWATT;
7028 range->we_version_source = 19;
7029 range->we_version_compiled = WIRELESS_EXT;
7030 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7031 range->retry_flags = IW_RETRY_LIMIT;
7032 range->r_time_flags = IW_RETRY_LIFETIME;
7033 range->min_retry = 1;
7034 range->max_retry = 65535;
7035 range->min_r_time = 1024;
7036 range->max_r_time = 65535 * 1024;
7037
7038 /* Event capability (kernel + driver) */
7039 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7040 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7041 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7042 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7043 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7044 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7045 return 0;
7046 }
7047
7048 /*------------------------------------------------------------------*/
7049 /*
7050 * Wireless Handler : set Power Management
7051 */
7052 static int airo_set_power(struct net_device *dev,
7053 struct iw_request_info *info,
7054 struct iw_param *vwrq,
7055 char *extra)
7056 {
7057 struct airo_info *local = dev->ml_priv;
7058
7059 readConfigRid(local, 1);
7060 if (vwrq->disabled) {
7061 if (sniffing_mode(local))
7062 return -EINVAL;
7063 local->config.powerSaveMode = POWERSAVE_CAM;
7064 local->config.rmode &= ~RXMODE_MASK;
7065 local->config.rmode |= RXMODE_BC_MC_ADDR;
7066 set_bit (FLAG_COMMIT, &local->flags);
7067 return -EINPROGRESS; /* Call commit handler */
7068 }
7069 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7070 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7071 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7072 set_bit (FLAG_COMMIT, &local->flags);
7073 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7074 local->config.fastListenInterval =
7075 local->config.listenInterval =
7076 cpu_to_le16((vwrq->value + 500) / 1024);
7077 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7078 set_bit (FLAG_COMMIT, &local->flags);
7079 }
7080 switch (vwrq->flags & IW_POWER_MODE) {
7081 case IW_POWER_UNICAST_R:
7082 if (sniffing_mode(local))
7083 return -EINVAL;
7084 local->config.rmode &= ~RXMODE_MASK;
7085 local->config.rmode |= RXMODE_ADDR;
7086 set_bit (FLAG_COMMIT, &local->flags);
7087 break;
7088 case IW_POWER_ALL_R:
7089 if (sniffing_mode(local))
7090 return -EINVAL;
7091 local->config.rmode &= ~RXMODE_MASK;
7092 local->config.rmode |= RXMODE_BC_MC_ADDR;
7093 set_bit (FLAG_COMMIT, &local->flags);
7094 case IW_POWER_ON:
7095 /* This is broken, fixme ;-) */
7096 break;
7097 default:
7098 return -EINVAL;
7099 }
7100 // Note : we may want to factor local->need_commit here
7101 // Note2 : may also want to factor RXMODE_RFMON test
7102 return -EINPROGRESS; /* Call commit handler */
7103 }
7104
7105 /*------------------------------------------------------------------*/
7106 /*
7107 * Wireless Handler : get Power Management
7108 */
7109 static int airo_get_power(struct net_device *dev,
7110 struct iw_request_info *info,
7111 struct iw_param *vwrq,
7112 char *extra)
7113 {
7114 struct airo_info *local = dev->ml_priv;
7115 __le16 mode;
7116
7117 readConfigRid(local, 1);
7118 mode = local->config.powerSaveMode;
7119 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7120 return 0;
7121 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7122 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7123 vwrq->flags = IW_POWER_TIMEOUT;
7124 } else {
7125 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7126 vwrq->flags = IW_POWER_PERIOD;
7127 }
7128 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7129 vwrq->flags |= IW_POWER_UNICAST_R;
7130 else
7131 vwrq->flags |= IW_POWER_ALL_R;
7132
7133 return 0;
7134 }
7135
7136 /*------------------------------------------------------------------*/
7137 /*
7138 * Wireless Handler : set Sensitivity
7139 */
7140 static int airo_set_sens(struct net_device *dev,
7141 struct iw_request_info *info,
7142 struct iw_param *vwrq,
7143 char *extra)
7144 {
7145 struct airo_info *local = dev->ml_priv;
7146
7147 readConfigRid(local, 1);
7148 local->config.rssiThreshold =
7149 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7150 set_bit (FLAG_COMMIT, &local->flags);
7151
7152 return -EINPROGRESS; /* Call commit handler */
7153 }
7154
7155 /*------------------------------------------------------------------*/
7156 /*
7157 * Wireless Handler : get Sensitivity
7158 */
7159 static int airo_get_sens(struct net_device *dev,
7160 struct iw_request_info *info,
7161 struct iw_param *vwrq,
7162 char *extra)
7163 {
7164 struct airo_info *local = dev->ml_priv;
7165
7166 readConfigRid(local, 1);
7167 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7168 vwrq->disabled = (vwrq->value == 0);
7169 vwrq->fixed = 1;
7170
7171 return 0;
7172 }
7173
7174 /*------------------------------------------------------------------*/
7175 /*
7176 * Wireless Handler : get AP List
7177 * Note : this is deprecated in favor of IWSCAN
7178 */
7179 static int airo_get_aplist(struct net_device *dev,
7180 struct iw_request_info *info,
7181 struct iw_point *dwrq,
7182 char *extra)
7183 {
7184 struct airo_info *local = dev->ml_priv;
7185 struct sockaddr *address = (struct sockaddr *) extra;
7186 struct iw_quality *qual;
7187 BSSListRid BSSList;
7188 int i;
7189 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7190
7191 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7192 if (!qual)
7193 return -ENOMEM;
7194
7195 for (i = 0; i < IW_MAX_AP; i++) {
7196 u16 dBm;
7197 if (readBSSListRid(local, loseSync, &BSSList))
7198 break;
7199 loseSync = 0;
7200 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7201 address[i].sa_family = ARPHRD_ETHER;
7202 dBm = le16_to_cpu(BSSList.dBm);
7203 if (local->rssi) {
7204 qual[i].level = 0x100 - dBm;
7205 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7206 qual[i].updated = IW_QUAL_QUAL_UPDATED
7207 | IW_QUAL_LEVEL_UPDATED
7208 | IW_QUAL_DBM;
7209 } else {
7210 qual[i].level = (dBm + 321) / 2;
7211 qual[i].qual = 0;
7212 qual[i].updated = IW_QUAL_QUAL_INVALID
7213 | IW_QUAL_LEVEL_UPDATED
7214 | IW_QUAL_DBM;
7215 }
7216 qual[i].noise = local->wstats.qual.noise;
7217 if (BSSList.index == cpu_to_le16(0xffff))
7218 break;
7219 }
7220 if (!i) {
7221 StatusRid status_rid; /* Card status info */
7222 readStatusRid(local, &status_rid, 1);
7223 for (i = 0;
7224 i < min(IW_MAX_AP, 4) &&
7225 (status_rid.bssid[i][0]
7226 & status_rid.bssid[i][1]
7227 & status_rid.bssid[i][2]
7228 & status_rid.bssid[i][3]
7229 & status_rid.bssid[i][4]
7230 & status_rid.bssid[i][5])!=0xff &&
7231 (status_rid.bssid[i][0]
7232 | status_rid.bssid[i][1]
7233 | status_rid.bssid[i][2]
7234 | status_rid.bssid[i][3]
7235 | status_rid.bssid[i][4]
7236 | status_rid.bssid[i][5]);
7237 i++) {
7238 memcpy(address[i].sa_data,
7239 status_rid.bssid[i], ETH_ALEN);
7240 address[i].sa_family = ARPHRD_ETHER;
7241 }
7242 } else {
7243 dwrq->flags = 1; /* Should be define'd */
7244 memcpy(extra + sizeof(struct sockaddr)*i,
7245 &qual, sizeof(struct iw_quality)*i);
7246 }
7247 dwrq->length = i;
7248
7249 kfree(qual);
7250 return 0;
7251 }
7252
7253 /*------------------------------------------------------------------*/
7254 /*
7255 * Wireless Handler : Initiate Scan
7256 */
7257 static int airo_set_scan(struct net_device *dev,
7258 struct iw_request_info *info,
7259 struct iw_point *dwrq,
7260 char *extra)
7261 {
7262 struct airo_info *ai = dev->ml_priv;
7263 Cmd cmd;
7264 Resp rsp;
7265 int wake = 0;
7266
7267 /* Note : you may have realised that, as this is a SET operation,
7268 * this is privileged and therefore a normal user can't
7269 * perform scanning.
7270 * This is not an error, while the device perform scanning,
7271 * traffic doesn't flow, so it's a perfect DoS...
7272 * Jean II */
7273 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7274
7275 if (down_interruptible(&ai->sem))
7276 return -ERESTARTSYS;
7277
7278 /* If there's already a scan in progress, don't
7279 * trigger another one. */
7280 if (ai->scan_timeout > 0)
7281 goto out;
7282
7283 /* Initiate a scan command */
7284 ai->scan_timeout = RUN_AT(3*HZ);
7285 memset(&cmd, 0, sizeof(cmd));
7286 cmd.cmd=CMD_LISTBSS;
7287 issuecommand(ai, &cmd, &rsp);
7288 wake = 1;
7289
7290 out:
7291 up(&ai->sem);
7292 if (wake)
7293 wake_up_interruptible(&ai->thr_wait);
7294 return 0;
7295 }
7296
7297 /*------------------------------------------------------------------*/
7298 /*
7299 * Translate scan data returned from the card to a card independent
7300 * format that the Wireless Tools will understand - Jean II
7301 */
7302 static inline char *airo_translate_scan(struct net_device *dev,
7303 struct iw_request_info *info,
7304 char *current_ev,
7305 char *end_buf,
7306 BSSListRid *bss)
7307 {
7308 struct airo_info *ai = dev->ml_priv;
7309 struct iw_event iwe; /* Temporary buffer */
7310 __le16 capabilities;
7311 char * current_val; /* For rates */
7312 int i;
7313 char * buf;
7314 u16 dBm;
7315
7316 /* First entry *MUST* be the AP MAC address */
7317 iwe.cmd = SIOCGIWAP;
7318 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7319 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7320 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7321 &iwe, IW_EV_ADDR_LEN);
7322
7323 /* Other entries will be displayed in the order we give them */
7324
7325 /* Add the ESSID */
7326 iwe.u.data.length = bss->ssidLen;
7327 if(iwe.u.data.length > 32)
7328 iwe.u.data.length = 32;
7329 iwe.cmd = SIOCGIWESSID;
7330 iwe.u.data.flags = 1;
7331 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7332 &iwe, bss->ssid);
7333
7334 /* Add mode */
7335 iwe.cmd = SIOCGIWMODE;
7336 capabilities = bss->cap;
7337 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7338 if(capabilities & CAP_ESS)
7339 iwe.u.mode = IW_MODE_MASTER;
7340 else
7341 iwe.u.mode = IW_MODE_ADHOC;
7342 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7343 &iwe, IW_EV_UINT_LEN);
7344 }
7345
7346 /* Add frequency */
7347 iwe.cmd = SIOCGIWFREQ;
7348 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7349 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7350 iwe.u.freq.e = 1;
7351 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7352 &iwe, IW_EV_FREQ_LEN);
7353
7354 dBm = le16_to_cpu(bss->dBm);
7355
7356 /* Add quality statistics */
7357 iwe.cmd = IWEVQUAL;
7358 if (ai->rssi) {
7359 iwe.u.qual.level = 0x100 - dBm;
7360 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7361 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7362 | IW_QUAL_LEVEL_UPDATED
7363 | IW_QUAL_DBM;
7364 } else {
7365 iwe.u.qual.level = (dBm + 321) / 2;
7366 iwe.u.qual.qual = 0;
7367 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7368 | IW_QUAL_LEVEL_UPDATED
7369 | IW_QUAL_DBM;
7370 }
7371 iwe.u.qual.noise = ai->wstats.qual.noise;
7372 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7373 &iwe, IW_EV_QUAL_LEN);
7374
7375 /* Add encryption capability */
7376 iwe.cmd = SIOCGIWENCODE;
7377 if(capabilities & CAP_PRIVACY)
7378 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7379 else
7380 iwe.u.data.flags = IW_ENCODE_DISABLED;
7381 iwe.u.data.length = 0;
7382 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7383 &iwe, bss->ssid);
7384
7385 /* Rate : stuffing multiple values in a single event require a bit
7386 * more of magic - Jean II */
7387 current_val = current_ev + iwe_stream_lcp_len(info);
7388
7389 iwe.cmd = SIOCGIWRATE;
7390 /* Those two flags are ignored... */
7391 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7392 /* Max 8 values */
7393 for(i = 0 ; i < 8 ; i++) {
7394 /* NULL terminated */
7395 if(bss->rates[i] == 0)
7396 break;
7397 /* Bit rate given in 500 kb/s units (+ 0x80) */
7398 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7399 /* Add new value to event */
7400 current_val = iwe_stream_add_value(info, current_ev,
7401 current_val, end_buf,
7402 &iwe, IW_EV_PARAM_LEN);
7403 }
7404 /* Check if we added any event */
7405 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7406 current_ev = current_val;
7407
7408 /* Beacon interval */
7409 buf = kmalloc(30, GFP_KERNEL);
7410 if (buf) {
7411 iwe.cmd = IWEVCUSTOM;
7412 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7413 iwe.u.data.length = strlen(buf);
7414 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7415 &iwe, buf);
7416 kfree(buf);
7417 }
7418
7419 /* Put WPA/RSN Information Elements into the event stream */
7420 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7421 unsigned int num_null_ies = 0;
7422 u16 length = sizeof (bss->extra.iep);
7423 u8 *ie = (void *)&bss->extra.iep;
7424
7425 while ((length >= 2) && (num_null_ies < 2)) {
7426 if (2 + ie[1] > length) {
7427 /* Invalid element, don't continue parsing IE */
7428 break;
7429 }
7430
7431 switch (ie[0]) {
7432 case WLAN_EID_SSID:
7433 /* Two zero-length SSID elements
7434 * mean we're done parsing elements */
7435 if (!ie[1])
7436 num_null_ies++;
7437 break;
7438
7439 case WLAN_EID_GENERIC:
7440 if (ie[1] >= 4 &&
7441 ie[2] == 0x00 &&
7442 ie[3] == 0x50 &&
7443 ie[4] == 0xf2 &&
7444 ie[5] == 0x01) {
7445 iwe.cmd = IWEVGENIE;
7446 /* 64 is an arbitrary cut-off */
7447 iwe.u.data.length = min(ie[1] + 2,
7448 64);
7449 current_ev = iwe_stream_add_point(
7450 info, current_ev,
7451 end_buf, &iwe, ie);
7452 }
7453 break;
7454
7455 case WLAN_EID_RSN:
7456 iwe.cmd = IWEVGENIE;
7457 /* 64 is an arbitrary cut-off */
7458 iwe.u.data.length = min(ie[1] + 2, 64);
7459 current_ev = iwe_stream_add_point(
7460 info, current_ev, end_buf,
7461 &iwe, ie);
7462 break;
7463
7464 default:
7465 break;
7466 }
7467
7468 length -= 2 + ie[1];
7469 ie += 2 + ie[1];
7470 }
7471 }
7472 return current_ev;
7473 }
7474
7475 /*------------------------------------------------------------------*/
7476 /*
7477 * Wireless Handler : Read Scan Results
7478 */
7479 static int airo_get_scan(struct net_device *dev,
7480 struct iw_request_info *info,
7481 struct iw_point *dwrq,
7482 char *extra)
7483 {
7484 struct airo_info *ai = dev->ml_priv;
7485 BSSListElement *net;
7486 int err = 0;
7487 char *current_ev = extra;
7488
7489 /* If a scan is in-progress, return -EAGAIN */
7490 if (ai->scan_timeout > 0)
7491 return -EAGAIN;
7492
7493 if (down_interruptible(&ai->sem))
7494 return -EAGAIN;
7495
7496 list_for_each_entry (net, &ai->network_list, list) {
7497 /* Translate to WE format this entry */
7498 current_ev = airo_translate_scan(dev, info, current_ev,
7499 extra + dwrq->length,
7500 &net->bss);
7501
7502 /* Check if there is space for one more entry */
7503 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7504 /* Ask user space to try again with a bigger buffer */
7505 err = -E2BIG;
7506 goto out;
7507 }
7508 }
7509
7510 /* Length of data */
7511 dwrq->length = (current_ev - extra);
7512 dwrq->flags = 0; /* todo */
7513
7514 out:
7515 up(&ai->sem);
7516 return err;
7517 }
7518
7519 /*------------------------------------------------------------------*/
7520 /*
7521 * Commit handler : called after a bunch of SET operations
7522 */
7523 static int airo_config_commit(struct net_device *dev,
7524 struct iw_request_info *info, /* NULL */
7525 void *zwrq, /* NULL */
7526 char *extra) /* NULL */
7527 {
7528 struct airo_info *local = dev->ml_priv;
7529
7530 if (!test_bit (FLAG_COMMIT, &local->flags))
7531 return 0;
7532
7533 /* Some of the "SET" function may have modified some of the
7534 * parameters. It's now time to commit them in the card */
7535 disable_MAC(local, 1);
7536 if (test_bit (FLAG_RESET, &local->flags)) {
7537 APListRid APList_rid;
7538 SsidRid SSID_rid;
7539
7540 readAPListRid(local, &APList_rid);
7541 readSsidRid(local, &SSID_rid);
7542 if (test_bit(FLAG_MPI,&local->flags))
7543 setup_card(local, dev->dev_addr, 1 );
7544 else
7545 reset_airo_card(dev);
7546 disable_MAC(local, 1);
7547 writeSsidRid(local, &SSID_rid, 1);
7548 writeAPListRid(local, &APList_rid, 1);
7549 }
7550 if (down_interruptible(&local->sem))
7551 return -ERESTARTSYS;
7552 writeConfigRid(local, 0);
7553 enable_MAC(local, 0);
7554 if (test_bit (FLAG_RESET, &local->flags))
7555 airo_set_promisc(local);
7556 else
7557 up(&local->sem);
7558
7559 return 0;
7560 }
7561
7562 /*------------------------------------------------------------------*/
7563 /*
7564 * Structures to export the Wireless Handlers
7565 */
7566
7567 static const struct iw_priv_args airo_private_args[] = {
7568 /*{ cmd, set_args, get_args, name } */
7569 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7570 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7571 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7572 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7573 };
7574
7575 static const iw_handler airo_handler[] =
7576 {
7577 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7578 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7579 (iw_handler) NULL, /* SIOCSIWNWID */
7580 (iw_handler) NULL, /* SIOCGIWNWID */
7581 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7582 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7583 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7584 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7585 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7586 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7587 (iw_handler) NULL, /* SIOCSIWRANGE */
7588 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7589 (iw_handler) NULL, /* SIOCSIWPRIV */
7590 (iw_handler) NULL, /* SIOCGIWPRIV */
7591 (iw_handler) NULL, /* SIOCSIWSTATS */
7592 (iw_handler) NULL, /* SIOCGIWSTATS */
7593 iw_handler_set_spy, /* SIOCSIWSPY */
7594 iw_handler_get_spy, /* SIOCGIWSPY */
7595 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7596 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7597 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7598 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7599 (iw_handler) NULL, /* -- hole -- */
7600 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7601 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7602 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7603 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7604 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7605 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7606 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7607 (iw_handler) NULL, /* -- hole -- */
7608 (iw_handler) NULL, /* -- hole -- */
7609 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7610 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7611 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7612 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7613 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7614 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7615 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7616 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7617 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7618 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7619 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7620 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7621 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7622 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7623 (iw_handler) NULL, /* -- hole -- */
7624 (iw_handler) NULL, /* -- hole -- */
7625 (iw_handler) NULL, /* SIOCSIWGENIE */
7626 (iw_handler) NULL, /* SIOCGIWGENIE */
7627 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7628 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7629 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7630 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7631 (iw_handler) NULL, /* SIOCSIWPMKSA */
7632 };
7633
7634 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7635 * We want to force the use of the ioctl code, because those can't be
7636 * won't work the iw_handler code (because they simultaneously read
7637 * and write data and iw_handler can't do that).
7638 * Note that it's perfectly legal to read/write on a single ioctl command,
7639 * you just can't use iwpriv and need to force it via the ioctl handler.
7640 * Jean II */
7641 static const iw_handler airo_private_handler[] =
7642 {
7643 NULL, /* SIOCIWFIRSTPRIV */
7644 };
7645
7646 static const struct iw_handler_def airo_handler_def =
7647 {
7648 .num_standard = ARRAY_SIZE(airo_handler),
7649 .num_private = ARRAY_SIZE(airo_private_handler),
7650 .num_private_args = ARRAY_SIZE(airo_private_args),
7651 .standard = airo_handler,
7652 .private = airo_private_handler,
7653 .private_args = airo_private_args,
7654 .get_wireless_stats = airo_get_wireless_stats,
7655 };
7656
7657 /*
7658 * This defines the configuration part of the Wireless Extensions
7659 * Note : irq and spinlock protection will occur in the subroutines
7660 *
7661 * TODO :
7662 * o Check input value more carefully and fill correct values in range
7663 * o Test and shakeout the bugs (if any)
7664 *
7665 * Jean II
7666 *
7667 * Javier Achirica did a great job of merging code from the unnamed CISCO
7668 * developer that added support for flashing the card.
7669 */
7670 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7671 {
7672 int rc = 0;
7673 struct airo_info *ai = dev->ml_priv;
7674
7675 if (ai->power.event)
7676 return 0;
7677
7678 switch (cmd) {
7679 #ifdef CISCO_EXT
7680 case AIROIDIFC:
7681 #ifdef AIROOLDIDIFC
7682 case AIROOLDIDIFC:
7683 #endif
7684 {
7685 int val = AIROMAGIC;
7686 aironet_ioctl com;
7687 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7688 rc = -EFAULT;
7689 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7690 rc = -EFAULT;
7691 }
7692 break;
7693
7694 case AIROIOCTL:
7695 #ifdef AIROOLDIOCTL
7696 case AIROOLDIOCTL:
7697 #endif
7698 /* Get the command struct and hand it off for evaluation by
7699 * the proper subfunction
7700 */
7701 {
7702 aironet_ioctl com;
7703 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7704 rc = -EFAULT;
7705 break;
7706 }
7707
7708 /* Separate R/W functions bracket legality here
7709 */
7710 if ( com.command == AIRORSWVERSION ) {
7711 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7712 rc = -EFAULT;
7713 else
7714 rc = 0;
7715 }
7716 else if ( com.command <= AIRORRID)
7717 rc = readrids(dev,&com);
7718 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7719 rc = writerids(dev,&com);
7720 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7721 rc = flashcard(dev,&com);
7722 else
7723 rc = -EINVAL; /* Bad command in ioctl */
7724 }
7725 break;
7726 #endif /* CISCO_EXT */
7727
7728 // All other calls are currently unsupported
7729 default:
7730 rc = -EOPNOTSUPP;
7731 }
7732 return rc;
7733 }
7734
7735 /*
7736 * Get the Wireless stats out of the driver
7737 * Note : irq and spinlock protection will occur in the subroutines
7738 *
7739 * TODO :
7740 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7741 *
7742 * Jean
7743 */
7744 static void airo_read_wireless_stats(struct airo_info *local)
7745 {
7746 StatusRid status_rid;
7747 StatsRid stats_rid;
7748 CapabilityRid cap_rid;
7749 __le32 *vals = stats_rid.vals;
7750
7751 /* Get stats out of the card */
7752 clear_bit(JOB_WSTATS, &local->jobs);
7753 if (local->power.event) {
7754 up(&local->sem);
7755 return;
7756 }
7757 readCapabilityRid(local, &cap_rid, 0);
7758 readStatusRid(local, &status_rid, 0);
7759 readStatsRid(local, &stats_rid, RID_STATS, 0);
7760 up(&local->sem);
7761
7762 /* The status */
7763 local->wstats.status = le16_to_cpu(status_rid.mode);
7764
7765 /* Signal quality and co */
7766 if (local->rssi) {
7767 local->wstats.qual.level =
7768 airo_rssi_to_dbm(local->rssi,
7769 le16_to_cpu(status_rid.sigQuality));
7770 /* normalizedSignalStrength appears to be a percentage */
7771 local->wstats.qual.qual =
7772 le16_to_cpu(status_rid.normalizedSignalStrength);
7773 } else {
7774 local->wstats.qual.level =
7775 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7776 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7777 }
7778 if (le16_to_cpu(status_rid.len) >= 124) {
7779 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7780 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7781 } else {
7782 local->wstats.qual.noise = 0;
7783 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7784 }
7785
7786 /* Packets discarded in the wireless adapter due to wireless
7787 * specific problems */
7788 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7789 le32_to_cpu(vals[57]) +
7790 le32_to_cpu(vals[58]); /* SSID Mismatch */
7791 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7792 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7793 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7794 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7795 le32_to_cpu(vals[32]);
7796 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7797 }
7798
7799 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7800 {
7801 struct airo_info *local = dev->ml_priv;
7802
7803 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7804 /* Get stats out of the card if available */
7805 if (down_trylock(&local->sem) != 0) {
7806 set_bit(JOB_WSTATS, &local->jobs);
7807 wake_up_interruptible(&local->thr_wait);
7808 } else
7809 airo_read_wireless_stats(local);
7810 }
7811
7812 return &local->wstats;
7813 }
7814
7815 #ifdef CISCO_EXT
7816 /*
7817 * This just translates from driver IOCTL codes to the command codes to
7818 * feed to the radio's host interface. Things can be added/deleted
7819 * as needed. This represents the READ side of control I/O to
7820 * the card
7821 */
7822 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7823 unsigned short ridcode;
7824 unsigned char *iobuf;
7825 int len;
7826 struct airo_info *ai = dev->ml_priv;
7827
7828 if (test_bit(FLAG_FLASHING, &ai->flags))
7829 return -EIO;
7830
7831 switch(comp->command)
7832 {
7833 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7834 case AIROGCFG: ridcode = RID_CONFIG;
7835 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7836 disable_MAC (ai, 1);
7837 writeConfigRid (ai, 1);
7838 enable_MAC(ai, 1);
7839 }
7840 break;
7841 case AIROGSLIST: ridcode = RID_SSID; break;
7842 case AIROGVLIST: ridcode = RID_APLIST; break;
7843 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7844 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7845 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7846 /* Only super-user can read WEP keys */
7847 if (!capable(CAP_NET_ADMIN))
7848 return -EPERM;
7849 break;
7850 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7851 /* Only super-user can read WEP keys */
7852 if (!capable(CAP_NET_ADMIN))
7853 return -EPERM;
7854 break;
7855 case AIROGSTAT: ridcode = RID_STATUS; break;
7856 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7857 case AIROGSTATSC32: ridcode = RID_STATS; break;
7858 case AIROGMICSTATS:
7859 if (copy_to_user(comp->data, &ai->micstats,
7860 min((int)comp->len,(int)sizeof(ai->micstats))))
7861 return -EFAULT;
7862 return 0;
7863 case AIRORRID: ridcode = comp->ridnum; break;
7864 default:
7865 return -EINVAL;
7866 break;
7867 }
7868
7869 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7870 return -ENOMEM;
7871
7872 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7873 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7874 * then return it to the user
7875 * 9/22/2000 Honor user given length
7876 */
7877 len = comp->len;
7878
7879 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7880 kfree (iobuf);
7881 return -EFAULT;
7882 }
7883 kfree (iobuf);
7884 return 0;
7885 }
7886
7887 /*
7888 * Danger Will Robinson write the rids here
7889 */
7890
7891 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7892 struct airo_info *ai = dev->ml_priv;
7893 int ridcode;
7894 int enabled;
7895 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7896 unsigned char *iobuf;
7897
7898 /* Only super-user can write RIDs */
7899 if (!capable(CAP_NET_ADMIN))
7900 return -EPERM;
7901
7902 if (test_bit(FLAG_FLASHING, &ai->flags))
7903 return -EIO;
7904
7905 ridcode = 0;
7906 writer = do_writerid;
7907
7908 switch(comp->command)
7909 {
7910 case AIROPSIDS: ridcode = RID_SSID; break;
7911 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7912 case AIROPAPLIST: ridcode = RID_APLIST; break;
7913 case AIROPCFG: ai->config.len = 0;
7914 clear_bit(FLAG_COMMIT, &ai->flags);
7915 ridcode = RID_CONFIG; break;
7916 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7917 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7918 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7919 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7920 break;
7921 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7922 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7923
7924 /* this is not really a rid but a command given to the card
7925 * same with MAC off
7926 */
7927 case AIROPMACON:
7928 if (enable_MAC(ai, 1) != 0)
7929 return -EIO;
7930 return 0;
7931
7932 /*
7933 * Evidently this code in the airo driver does not get a symbol
7934 * as disable_MAC. it's probably so short the compiler does not gen one.
7935 */
7936 case AIROPMACOFF:
7937 disable_MAC(ai, 1);
7938 return 0;
7939
7940 /* This command merely clears the counts does not actually store any data
7941 * only reads rid. But as it changes the cards state, I put it in the
7942 * writerid routines.
7943 */
7944 case AIROPSTCLR:
7945 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7946 return -ENOMEM;
7947
7948 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7949
7950 enabled = ai->micstats.enabled;
7951 memset(&ai->micstats,0,sizeof(ai->micstats));
7952 ai->micstats.enabled = enabled;
7953
7954 if (copy_to_user(comp->data, iobuf,
7955 min((int)comp->len, (int)RIDSIZE))) {
7956 kfree (iobuf);
7957 return -EFAULT;
7958 }
7959 kfree (iobuf);
7960 return 0;
7961
7962 default:
7963 return -EOPNOTSUPP; /* Blarg! */
7964 }
7965 if(comp->len > RIDSIZE)
7966 return -EINVAL;
7967
7968 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7969 return -ENOMEM;
7970
7971 if (copy_from_user(iobuf,comp->data,comp->len)) {
7972 kfree (iobuf);
7973 return -EFAULT;
7974 }
7975
7976 if (comp->command == AIROPCFG) {
7977 ConfigRid *cfg = (ConfigRid *)iobuf;
7978
7979 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7980 cfg->opmode |= MODE_MIC;
7981
7982 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7983 set_bit (FLAG_ADHOC, &ai->flags);
7984 else
7985 clear_bit (FLAG_ADHOC, &ai->flags);
7986 }
7987
7988 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7989 kfree (iobuf);
7990 return -EIO;
7991 }
7992 kfree (iobuf);
7993 return 0;
7994 }
7995
7996 /*****************************************************************************
7997 * Ancillary flash / mod functions much black magic lurkes here *
7998 *****************************************************************************
7999 */
8000
8001 /*
8002 * Flash command switch table
8003 */
8004
8005 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8006 int z;
8007
8008 /* Only super-user can modify flash */
8009 if (!capable(CAP_NET_ADMIN))
8010 return -EPERM;
8011
8012 switch(comp->command)
8013 {
8014 case AIROFLSHRST:
8015 return cmdreset((struct airo_info *)dev->ml_priv);
8016
8017 case AIROFLSHSTFL:
8018 if (!AIRO_FLASH(dev) &&
8019 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8020 return -ENOMEM;
8021 return setflashmode((struct airo_info *)dev->ml_priv);
8022
8023 case AIROFLSHGCHR: /* Get char from aux */
8024 if(comp->len != sizeof(int))
8025 return -EINVAL;
8026 if (copy_from_user(&z,comp->data,comp->len))
8027 return -EFAULT;
8028 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8029
8030 case AIROFLSHPCHR: /* Send char to card. */
8031 if(comp->len != sizeof(int))
8032 return -EINVAL;
8033 if (copy_from_user(&z,comp->data,comp->len))
8034 return -EFAULT;
8035 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8036
8037 case AIROFLPUTBUF: /* Send 32k to card */
8038 if (!AIRO_FLASH(dev))
8039 return -ENOMEM;
8040 if(comp->len > FLASHSIZE)
8041 return -EINVAL;
8042 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8043 return -EFAULT;
8044
8045 flashputbuf((struct airo_info *)dev->ml_priv);
8046 return 0;
8047
8048 case AIRORESTART:
8049 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8050 return -EIO;
8051 return 0;
8052 }
8053 return -EINVAL;
8054 }
8055
8056 #define FLASH_COMMAND 0x7e7e
8057
8058 /*
8059 * STEP 1)
8060 * Disable MAC and do soft reset on
8061 * card.
8062 */
8063
8064 static int cmdreset(struct airo_info *ai) {
8065 disable_MAC(ai, 1);
8066
8067 if(!waitbusy (ai)){
8068 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8069 return -EBUSY;
8070 }
8071
8072 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8073
8074 ssleep(1); /* WAS 600 12/7/00 */
8075
8076 if(!waitbusy (ai)){
8077 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8078 return -EBUSY;
8079 }
8080 return 0;
8081 }
8082
8083 /* STEP 2)
8084 * Put the card in legendary flash
8085 * mode
8086 */
8087
8088 static int setflashmode (struct airo_info *ai) {
8089 set_bit (FLAG_FLASHING, &ai->flags);
8090
8091 OUT4500(ai, SWS0, FLASH_COMMAND);
8092 OUT4500(ai, SWS1, FLASH_COMMAND);
8093 if (probe) {
8094 OUT4500(ai, SWS0, FLASH_COMMAND);
8095 OUT4500(ai, COMMAND,0x10);
8096 } else {
8097 OUT4500(ai, SWS2, FLASH_COMMAND);
8098 OUT4500(ai, SWS3, FLASH_COMMAND);
8099 OUT4500(ai, COMMAND,0);
8100 }
8101 msleep(500); /* 500ms delay */
8102
8103 if(!waitbusy(ai)) {
8104 clear_bit (FLAG_FLASHING, &ai->flags);
8105 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8106 return -EIO;
8107 }
8108 return 0;
8109 }
8110
8111 /* Put character to SWS0 wait for dwelltime
8112 * x 50us for echo .
8113 */
8114
8115 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8116 int echo;
8117 int waittime;
8118
8119 byte |= 0x8000;
8120
8121 if(dwelltime == 0 )
8122 dwelltime = 200;
8123
8124 waittime=dwelltime;
8125
8126 /* Wait for busy bit d15 to go false indicating buffer empty */
8127 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8128 udelay (50);
8129 waittime -= 50;
8130 }
8131
8132 /* timeout for busy clear wait */
8133 if(waittime <= 0 ){
8134 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8135 return -EBUSY;
8136 }
8137
8138 /* Port is clear now write byte and wait for it to echo back */
8139 do {
8140 OUT4500(ai,SWS0,byte);
8141 udelay(50);
8142 dwelltime -= 50;
8143 echo = IN4500(ai,SWS1);
8144 } while (dwelltime >= 0 && echo != byte);
8145
8146 OUT4500(ai,SWS1,0);
8147
8148 return (echo == byte) ? 0 : -EIO;
8149 }
8150
8151 /*
8152 * Get a character from the card matching matchbyte
8153 * Step 3)
8154 */
8155 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8156 int rchar;
8157 unsigned char rbyte=0;
8158
8159 do {
8160 rchar = IN4500(ai,SWS1);
8161
8162 if(dwelltime && !(0x8000 & rchar)){
8163 dwelltime -= 10;
8164 mdelay(10);
8165 continue;
8166 }
8167 rbyte = 0xff & rchar;
8168
8169 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8170 OUT4500(ai,SWS1,0);
8171 return 0;
8172 }
8173 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8174 break;
8175 OUT4500(ai,SWS1,0);
8176
8177 }while(dwelltime > 0);
8178 return -EIO;
8179 }
8180
8181 /*
8182 * Transfer 32k of firmware data from user buffer to our buffer and
8183 * send to the card
8184 */
8185
8186 static int flashputbuf(struct airo_info *ai){
8187 int nwords;
8188
8189 /* Write stuff */
8190 if (test_bit(FLAG_MPI,&ai->flags))
8191 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8192 else {
8193 OUT4500(ai,AUXPAGE,0x100);
8194 OUT4500(ai,AUXOFF,0);
8195
8196 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8197 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8198 }
8199 }
8200 OUT4500(ai,SWS0,0x8000);
8201
8202 return 0;
8203 }
8204
8205 /*
8206 *
8207 */
8208 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8209 int i,status;
8210
8211 ssleep(1); /* Added 12/7/00 */
8212 clear_bit (FLAG_FLASHING, &ai->flags);
8213 if (test_bit(FLAG_MPI, &ai->flags)) {
8214 status = mpi_init_descriptors(ai);
8215 if (status != SUCCESS)
8216 return status;
8217 }
8218 status = setup_card(ai, dev->dev_addr, 1);
8219
8220 if (!test_bit(FLAG_MPI,&ai->flags))
8221 for( i = 0; i < MAX_FIDS; i++ ) {
8222 ai->fids[i] = transmit_allocate
8223 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8224 }
8225
8226 ssleep(1); /* Added 12/7/00 */
8227 return status;
8228 }
8229 #endif /* CISCO_EXT */
8230
8231 /*
8232 This program is free software; you can redistribute it and/or
8233 modify it under the terms of the GNU General Public License
8234 as published by the Free Software Foundation; either version 2
8235 of the License, or (at your option) any later version.
8236
8237 This program is distributed in the hope that it will be useful,
8238 but WITHOUT ANY WARRANTY; without even the implied warranty of
8239 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8240 GNU General Public License for more details.
8241
8242 In addition:
8243
8244 Redistribution and use in source and binary forms, with or without
8245 modification, are permitted provided that the following conditions
8246 are met:
8247
8248 1. Redistributions of source code must retain the above copyright
8249 notice, this list of conditions and the following disclaimer.
8250 2. Redistributions in binary form must reproduce the above copyright
8251 notice, this list of conditions and the following disclaimer in the
8252 documentation and/or other materials provided with the distribution.
8253 3. The name of the author may not be used to endorse or promote
8254 products derived from this software without specific prior written
8255 permission.
8256
8257 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8258 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8259 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8260 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8261 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8262 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8263 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8264 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8265 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8266 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8267 POSSIBILITY OF SUCH DAMAGE.
8268 */
8269
8270 module_init(airo_init_module);
8271 module_exit(airo_cleanup_module);
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