?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
wireless: Create 'device' symlink in sysfs
[linux-2.6/btrfs-unstable.git] / drivers / net / wireless / airo.c
blob4e1c690ff45f104c4faf60c0162e6cac7ef7f02d
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 <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
53
54 #include "airo.h"
55
56 #define DRV_NAME "airo"
57
58 #ifdef CONFIG_PCI
59 static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0, }
68 };
69 MODULE_DEVICE_TABLE(pci, card_ids);
70
71 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72 static void airo_pci_remove(struct pci_dev *);
73 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
74 static int airo_pci_resume(struct pci_dev *pdev);
75
76 static struct pci_driver airo_driver = {
77 .name = DRV_NAME,
78 .id_table = card_ids,
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
83 };
84 #endif /* CONFIG_PCI */
85
86 /* Include Wireless Extension definition and check version - Jean II */
87 #include <linux/wireless.h>
88 #define WIRELESS_SPY // enable iwspy support
89 #include <net/iw_handler.h> // New driver API
90
91 #define CISCO_EXT // enable Cisco extensions
92 #ifdef CISCO_EXT
93 #include <linux/delay.h>
94 #endif
95
96 /* Hack to do some power saving */
97 #define POWER_ON_DOWN
98
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105 #define IGNLABEL(comment) NULL
106 static char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208 #ifndef RUN_AT
209 #define RUN_AT(x) (jiffies+(x))
210 #endif
211
212
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217 static int rates[8];
218 static int basic_rate;
219 static char *ssids[3];
220
221 static int io[4];
222 static int irq[4];
223
224 static
225 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
227
228 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
231 static int adhoc;
232
233 static int probe = 1;
234
235 static int proc_uid /* = 0 */;
236
237 static int proc_gid /* = 0 */;
238
239 static int airo_perm = 0555;
240
241 static int proc_perm = 0644;
242
243 MODULE_AUTHOR("Benjamin Reed");
244 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
245 cards. Direct support for ISA/PCI/MPI cards and support \
246 for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param(basic_rate, int, 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 is redundant for x86 archs, but it seems necessary for ARM */
499 #pragma pack(1)
500
501 /* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
503 typedef struct {
504 __le16 len;
505 __le16 kindex;
506 u8 mac[ETH_ALEN];
507 __le16 klen;
508 u8 key[16];
509 } WepKeyRid;
510
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct {
513 __le16 len;
514 u8 ssid[32];
515 } Ssid;
516
517 typedef struct {
518 __le16 len;
519 Ssid ssids[3];
520 } SsidRid;
521
522 typedef struct {
523 __le16 len;
524 __le16 modulation;
525 #define MOD_DEFAULT cpu_to_le16(0)
526 #define MOD_CCK cpu_to_le16(1)
527 #define MOD_MOK cpu_to_le16(2)
528 } ModulationRid;
529
530 typedef struct {
531 __le16 len; /* sizeof(ConfigRid) */
532 __le16 opmode; /* operating mode */
533 #define MODE_STA_IBSS cpu_to_le16(0)
534 #define MODE_STA_ESS cpu_to_le16(1)
535 #define MODE_AP cpu_to_le16(2)
536 #define MODE_AP_RPTR cpu_to_le16(3)
537 #define MODE_CFG_MASK cpu_to_le16(0xff)
538 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
539 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
540 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
541 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
542 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
543 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
544 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
545 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
546 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
547 __le16 rmode; /* receive mode */
548 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
549 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
550 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
551 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
552 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
553 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
554 #define RXMODE_MASK cpu_to_le16(255)
555 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
556 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
557 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
558 __le16 fragThresh;
559 __le16 rtsThres;
560 u8 macAddr[ETH_ALEN];
561 u8 rates[8];
562 __le16 shortRetryLimit;
563 __le16 longRetryLimit;
564 __le16 txLifetime; /* in kusec */
565 __le16 rxLifetime; /* in kusec */
566 __le16 stationary;
567 __le16 ordering;
568 __le16 u16deviceType; /* for overriding device type */
569 __le16 cfpRate;
570 __le16 cfpDuration;
571 __le16 _reserved1[3];
572 /*---------- Scanning/Associating ----------*/
573 __le16 scanMode;
574 #define SCANMODE_ACTIVE cpu_to_le16(0)
575 #define SCANMODE_PASSIVE cpu_to_le16(1)
576 #define SCANMODE_AIROSCAN cpu_to_le16(2)
577 __le16 probeDelay; /* in kusec */
578 __le16 probeEnergyTimeout; /* in kusec */
579 __le16 probeResponseTimeout;
580 __le16 beaconListenTimeout;
581 __le16 joinNetTimeout;
582 __le16 authTimeout;
583 __le16 authType;
584 #define AUTH_OPEN cpu_to_le16(0x1)
585 #define AUTH_ENCRYPT cpu_to_le16(0x101)
586 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
587 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
588 __le16 associationTimeout;
589 __le16 specifiedApTimeout;
590 __le16 offlineScanInterval;
591 __le16 offlineScanDuration;
592 __le16 linkLossDelay;
593 __le16 maxBeaconLostTime;
594 __le16 refreshInterval;
595 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
596 __le16 _reserved1a[1];
597 /*---------- Power save operation ----------*/
598 __le16 powerSaveMode;
599 #define POWERSAVE_CAM cpu_to_le16(0)
600 #define POWERSAVE_PSP cpu_to_le16(1)
601 #define POWERSAVE_PSPCAM cpu_to_le16(2)
602 __le16 sleepForDtims;
603 __le16 listenInterval;
604 __le16 fastListenInterval;
605 __le16 listenDecay;
606 __le16 fastListenDelay;
607 __le16 _reserved2[2];
608 /*---------- Ap/Ibss config items ----------*/
609 __le16 beaconPeriod;
610 __le16 atimDuration;
611 __le16 hopPeriod;
612 __le16 channelSet;
613 __le16 channel;
614 __le16 dtimPeriod;
615 __le16 bridgeDistance;
616 __le16 radioID;
617 /*---------- Radio configuration ----------*/
618 __le16 radioType;
619 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
620 #define RADIOTYPE_802_11 cpu_to_le16(1)
621 #define RADIOTYPE_LEGACY cpu_to_le16(2)
622 u8 rxDiversity;
623 u8 txDiversity;
624 __le16 txPower;
625 #define TXPOWER_DEFAULT 0
626 __le16 rssiThreshold;
627 #define RSSI_DEFAULT 0
628 __le16 modulation;
629 #define PREAMBLE_AUTO cpu_to_le16(0)
630 #define PREAMBLE_LONG cpu_to_le16(1)
631 #define PREAMBLE_SHORT cpu_to_le16(2)
632 __le16 preamble;
633 __le16 homeProduct;
634 __le16 radioSpecific;
635 /*---------- Aironet Extensions ----------*/
636 u8 nodeName[16];
637 __le16 arlThreshold;
638 __le16 arlDecay;
639 __le16 arlDelay;
640 __le16 _reserved4[1];
641 /*---------- Aironet Extensions ----------*/
642 u8 magicAction;
643 #define MAGIC_ACTION_STSCHG 1
644 #define MAGIC_ACTION_RESUME 2
645 #define MAGIC_IGNORE_MCAST (1<<8)
646 #define MAGIC_IGNORE_BCAST (1<<9)
647 #define MAGIC_SWITCH_TO_PSP (0<<10)
648 #define MAGIC_STAY_IN_CAM (1<<10)
649 u8 magicControl;
650 __le16 autoWake;
651 } ConfigRid;
652
653 typedef struct {
654 __le16 len;
655 u8 mac[ETH_ALEN];
656 __le16 mode;
657 __le16 errorCode;
658 __le16 sigQuality;
659 __le16 SSIDlen;
660 char SSID[32];
661 char apName[16];
662 u8 bssid[4][ETH_ALEN];
663 __le16 beaconPeriod;
664 __le16 dimPeriod;
665 __le16 atimDuration;
666 __le16 hopPeriod;
667 __le16 channelSet;
668 __le16 channel;
669 __le16 hopsToBackbone;
670 __le16 apTotalLoad;
671 __le16 generatedLoad;
672 __le16 accumulatedArl;
673 __le16 signalQuality;
674 __le16 currentXmitRate;
675 __le16 apDevExtensions;
676 __le16 normalizedSignalStrength;
677 __le16 shortPreamble;
678 u8 apIP[4];
679 u8 noisePercent; /* Noise percent in last second */
680 u8 noisedBm; /* Noise dBm in last second */
681 u8 noiseAvePercent; /* Noise percent in last minute */
682 u8 noiseAvedBm; /* Noise dBm in last minute */
683 u8 noiseMaxPercent; /* Highest noise percent in last minute */
684 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
685 __le16 load;
686 u8 carrier[4];
687 __le16 assocStatus;
688 #define STAT_NOPACKETS 0
689 #define STAT_NOCARRIERSET 10
690 #define STAT_GOTCARRIERSET 11
691 #define STAT_WRONGSSID 20
692 #define STAT_BADCHANNEL 25
693 #define STAT_BADBITRATES 30
694 #define STAT_BADPRIVACY 35
695 #define STAT_APFOUND 40
696 #define STAT_APREJECTED 50
697 #define STAT_AUTHENTICATING 60
698 #define STAT_DEAUTHENTICATED 61
699 #define STAT_AUTHTIMEOUT 62
700 #define STAT_ASSOCIATING 70
701 #define STAT_DEASSOCIATED 71
702 #define STAT_ASSOCTIMEOUT 72
703 #define STAT_NOTAIROAP 73
704 #define STAT_ASSOCIATED 80
705 #define STAT_LEAPING 90
706 #define STAT_LEAPFAILED 91
707 #define STAT_LEAPTIMEDOUT 92
708 #define STAT_LEAPCOMPLETE 93
709 } StatusRid;
710
711 typedef struct {
712 __le16 len;
713 __le16 spacer;
714 __le32 vals[100];
715 } StatsRid;
716
717
718 typedef struct {
719 __le16 len;
720 u8 ap[4][ETH_ALEN];
721 } APListRid;
722
723 typedef struct {
724 __le16 len;
725 char oui[3];
726 char zero;
727 __le16 prodNum;
728 char manName[32];
729 char prodName[16];
730 char prodVer[8];
731 char factoryAddr[ETH_ALEN];
732 char aironetAddr[ETH_ALEN];
733 __le16 radioType;
734 __le16 country;
735 char callid[ETH_ALEN];
736 char supportedRates[8];
737 char rxDiversity;
738 char txDiversity;
739 __le16 txPowerLevels[8];
740 __le16 hardVer;
741 __le16 hardCap;
742 __le16 tempRange;
743 __le16 softVer;
744 __le16 softSubVer;
745 __le16 interfaceVer;
746 __le16 softCap;
747 __le16 bootBlockVer;
748 __le16 requiredHard;
749 __le16 extSoftCap;
750 } CapabilityRid;
751
752
753 /* Only present on firmware >= 5.30.17 */
754 typedef struct {
755 __le16 unknown[4];
756 u8 fixed[12]; /* WLAN management frame */
757 u8 iep[624];
758 } BSSListRidExtra;
759
760 typedef struct {
761 __le16 len;
762 __le16 index; /* First is 0 and 0xffff means end of list */
763 #define RADIO_FH 1 /* Frequency hopping radio type */
764 #define RADIO_DS 2 /* Direct sequence radio type */
765 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
766 __le16 radioType;
767 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
768 u8 zero;
769 u8 ssidLen;
770 u8 ssid[32];
771 __le16 dBm;
772 #define CAP_ESS cpu_to_le16(1<<0)
773 #define CAP_IBSS cpu_to_le16(1<<1)
774 #define CAP_PRIVACY cpu_to_le16(1<<4)
775 #define CAP_SHORTHDR cpu_to_le16(1<<5)
776 __le16 cap;
777 __le16 beaconInterval;
778 u8 rates[8]; /* Same as rates for config rid */
779 struct { /* For frequency hopping only */
780 __le16 dwell;
781 u8 hopSet;
782 u8 hopPattern;
783 u8 hopIndex;
784 u8 fill;
785 } fh;
786 __le16 dsChannel;
787 __le16 atimWindow;
788
789 /* Only present on firmware >= 5.30.17 */
790 BSSListRidExtra extra;
791 } BSSListRid;
792
793 typedef struct {
794 BSSListRid bss;
795 struct list_head list;
796 } BSSListElement;
797
798 typedef struct {
799 u8 rssipct;
800 u8 rssidBm;
801 } tdsRssiEntry;
802
803 typedef struct {
804 u16 len;
805 tdsRssiEntry x[256];
806 } tdsRssiRid;
807
808 typedef struct {
809 u16 len;
810 u16 state;
811 u16 multicastValid;
812 u8 multicast[16];
813 u16 unicastValid;
814 u8 unicast[16];
815 } MICRid;
816
817 typedef struct {
818 __be16 typelen;
819
820 union {
821 u8 snap[8];
822 struct {
823 u8 dsap;
824 u8 ssap;
825 u8 control;
826 u8 orgcode[3];
827 u8 fieldtype[2];
828 } llc;
829 } u;
830 __be32 mic;
831 __be32 seq;
832 } MICBuffer;
833
834 typedef struct {
835 u8 da[ETH_ALEN];
836 u8 sa[ETH_ALEN];
837 } etherHead;
838
839 #pragma pack()
840
841 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
842 #define TXCTL_TXEX (1<<2) /* report if tx fails */
843 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
844 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
845 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
846 #define TXCTL_LLC (1<<4) /* payload is llc */
847 #define TXCTL_RELEASE (0<<5) /* release after completion */
848 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
849
850 #define BUSY_FID 0x10000
851
852 #ifdef CISCO_EXT
853 #define AIROMAGIC 0xa55a
854 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
855 #ifdef SIOCIWFIRSTPRIV
856 #ifdef SIOCDEVPRIVATE
857 #define AIROOLDIOCTL SIOCDEVPRIVATE
858 #define AIROOLDIDIFC AIROOLDIOCTL + 1
859 #endif /* SIOCDEVPRIVATE */
860 #else /* SIOCIWFIRSTPRIV */
861 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
862 #endif /* SIOCIWFIRSTPRIV */
863 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
864 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
865 * only and don't return the modified struct ifreq to the application which
866 * is usually a problem. - Jean II */
867 #define AIROIOCTL SIOCIWFIRSTPRIV
868 #define AIROIDIFC AIROIOCTL + 1
869
870 /* Ioctl constants to be used in airo_ioctl.command */
871
872 #define AIROGCAP 0 // Capability rid
873 #define AIROGCFG 1 // USED A LOT
874 #define AIROGSLIST 2 // System ID list
875 #define AIROGVLIST 3 // List of specified AP's
876 #define AIROGDRVNAM 4 // NOTUSED
877 #define AIROGEHTENC 5 // NOTUSED
878 #define AIROGWEPKTMP 6
879 #define AIROGWEPKNV 7
880 #define AIROGSTAT 8
881 #define AIROGSTATSC32 9
882 #define AIROGSTATSD32 10
883 #define AIROGMICRID 11
884 #define AIROGMICSTATS 12
885 #define AIROGFLAGS 13
886 #define AIROGID 14
887 #define AIRORRID 15
888 #define AIRORSWVERSION 17
889
890 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
891
892 #define AIROPCAP AIROGSTATSD32 + 40
893 #define AIROPVLIST AIROPCAP + 1
894 #define AIROPSLIST AIROPVLIST + 1
895 #define AIROPCFG AIROPSLIST + 1
896 #define AIROPSIDS AIROPCFG + 1
897 #define AIROPAPLIST AIROPSIDS + 1
898 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
899 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
900 #define AIROPSTCLR AIROPMACOFF + 1
901 #define AIROPWEPKEY AIROPSTCLR + 1
902 #define AIROPWEPKEYNV AIROPWEPKEY + 1
903 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
904 #define AIROPLEAPUSR AIROPLEAPPWD + 1
905
906 /* Flash codes */
907
908 #define AIROFLSHRST AIROPWEPKEYNV + 40
909 #define AIROFLSHGCHR AIROFLSHRST + 1
910 #define AIROFLSHSTFL AIROFLSHGCHR + 1
911 #define AIROFLSHPCHR AIROFLSHSTFL + 1
912 #define AIROFLPUTBUF AIROFLSHPCHR + 1
913 #define AIRORESTART AIROFLPUTBUF + 1
914
915 #define FLASHSIZE 32768
916 #define AUXMEMSIZE (256 * 1024)
917
918 typedef struct aironet_ioctl {
919 unsigned short command; // What to do
920 unsigned short len; // Len of data
921 unsigned short ridnum; // rid number
922 unsigned char __user *data; // d-data
923 } aironet_ioctl;
924
925 static char swversion[] = "2.1";
926 #endif /* CISCO_EXT */
927
928 #define NUM_MODULES 2
929 #define MIC_MSGLEN_MAX 2400
930 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
931 #define AIRO_DEF_MTU 2312
932
933 typedef struct {
934 u32 size; // size
935 u8 enabled; // MIC enabled or not
936 u32 rxSuccess; // successful packets received
937 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
938 u32 rxNotMICed; // pkts dropped due to not being MIC'd
939 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
940 u32 rxWrongSequence; // pkts dropped due to sequence number violation
941 u32 reserve[32];
942 } mic_statistics;
943
944 typedef struct {
945 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
946 u64 accum; // accumulated mic, reduced to u32 in final()
947 int position; // current position (byte offset) in message
948 union {
949 u8 d8[4];
950 __be32 d32;
951 } part; // saves partial message word across update() calls
952 } emmh32_context;
953
954 typedef struct {
955 emmh32_context seed; // Context - the seed
956 u32 rx; // Received sequence number
957 u32 tx; // Tx sequence number
958 u32 window; // Start of window
959 u8 valid; // Flag to say if context is valid or not
960 u8 key[16];
961 } miccntx;
962
963 typedef struct {
964 miccntx mCtx; // Multicast context
965 miccntx uCtx; // Unicast context
966 } mic_module;
967
968 typedef struct {
969 unsigned int rid: 16;
970 unsigned int len: 15;
971 unsigned int valid: 1;
972 dma_addr_t host_addr;
973 } Rid;
974
975 typedef struct {
976 unsigned int offset: 15;
977 unsigned int eoc: 1;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
981 } TxFid;
982
983 typedef struct {
984 unsigned int ctl: 15;
985 unsigned int rdy: 1;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
989 } RxFid;
990
991 /*
992 * Host receive descriptor
993 */
994 typedef struct {
995 unsigned char __iomem *card_ram_off; /* offset into card memory of the
996 desc */
997 RxFid rx_desc; /* card receive descriptor */
998 char *virtual_host_addr; /* virtual address of host receive
999 buffer */
1000 int pending;
1001 } HostRxDesc;
1002
1003 /*
1004 * Host transmit descriptor
1005 */
1006 typedef struct {
1007 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1008 desc */
1009 TxFid tx_desc; /* card transmit descriptor */
1010 char *virtual_host_addr; /* virtual address of host receive
1011 buffer */
1012 int pending;
1013 } HostTxDesc;
1014
1015 /*
1016 * Host RID descriptor
1017 */
1018 typedef struct {
1019 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1020 descriptor */
1021 Rid rid_desc; /* card RID descriptor */
1022 char *virtual_host_addr; /* virtual address of host receive
1023 buffer */
1024 } HostRidDesc;
1025
1026 typedef struct {
1027 u16 sw0;
1028 u16 sw1;
1029 u16 status;
1030 u16 len;
1031 #define HOST_SET (1 << 0)
1032 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1033 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1034 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1035 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1036 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1037 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1038 #define HOST_RTS (1 << 9) /* Force RTS use */
1039 #define HOST_SHORT (1 << 10) /* Do short preamble */
1040 u16 ctl;
1041 u16 aid;
1042 u16 retries;
1043 u16 fill;
1044 } TxCtlHdr;
1045
1046 typedef struct {
1047 u16 ctl;
1048 u16 duration;
1049 char addr1[6];
1050 char addr2[6];
1051 char addr3[6];
1052 u16 seq;
1053 char addr4[6];
1054 } WifiHdr;
1055
1056
1057 typedef struct {
1058 TxCtlHdr ctlhdr;
1059 u16 fill1;
1060 u16 fill2;
1061 WifiHdr wifihdr;
1062 u16 gaplen;
1063 u16 status;
1064 } WifiCtlHdr;
1065
1066 static WifiCtlHdr wifictlhdr8023 = {
1067 .ctlhdr = {
1068 .ctl = HOST_DONT_RLSE,
1069 }
1070 };
1071
1072 // Frequency list (map channels to frequencies)
1073 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1074 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1075
1076 // A few details needed for WEP (Wireless Equivalent Privacy)
1077 #define MAX_KEY_SIZE 13 // 128 (?) bits
1078 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1079 typedef struct wep_key_t {
1080 u16 len;
1081 u8 key[16]; /* 40-bit and 104-bit keys */
1082 } wep_key_t;
1083
1084 /* Backward compatibility */
1085 #ifndef IW_ENCODE_NOKEY
1086 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1087 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1088 #endif /* IW_ENCODE_NOKEY */
1089
1090 /* List of Wireless Handlers (new API) */
1091 static const struct iw_handler_def airo_handler_def;
1092
1093 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1094
1095 struct airo_info;
1096
1097 static int get_dec_u16( char *buffer, int *start, int limit );
1098 static void OUT4500( struct airo_info *, u16 register, u16 value );
1099 static unsigned short IN4500( struct airo_info *, u16 register );
1100 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1101 static int enable_MAC(struct airo_info *ai, int lock);
1102 static void disable_MAC(struct airo_info *ai, int lock);
1103 static void enable_interrupts(struct airo_info*);
1104 static void disable_interrupts(struct airo_info*);
1105 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1106 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1107 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1108 int whichbap);
1109 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1110 int whichbap);
1111 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1112 int whichbap);
1113 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1114 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1115 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1116 *pBuf, int len, int lock);
1117 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1118 int len, int dummy );
1119 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1120 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1121 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1122
1123 static int mpi_send_packet (struct net_device *dev);
1124 static void mpi_unmap_card(struct pci_dev *pci);
1125 static void mpi_receive_802_3(struct airo_info *ai);
1126 static void mpi_receive_802_11(struct airo_info *ai);
1127 static int waitbusy (struct airo_info *ai);
1128
1129 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1130 static int airo_thread(void *data);
1131 static void timer_func( struct net_device *dev );
1132 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1133 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1134 static void airo_read_wireless_stats (struct airo_info *local);
1135 #ifdef CISCO_EXT
1136 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1137 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1138 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1139 #endif /* CISCO_EXT */
1140 static void micinit(struct airo_info *ai);
1141 static int micsetup(struct airo_info *ai);
1142 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1143 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1144
1145 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1146 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1147
1148 static void airo_networks_free(struct airo_info *ai);
1149
1150 struct airo_info {
1151 struct net_device_stats stats;
1152 struct net_device *dev;
1153 struct list_head dev_list;
1154 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1155 use the high bit to mark whether it is in use. */
1156 #define MAX_FIDS 6
1157 #define MPI_MAX_FIDS 1
1158 int fids[MAX_FIDS];
1159 ConfigRid config;
1160 char keyindex; // Used with auto wep
1161 char defindex; // Used with auto wep
1162 struct proc_dir_entry *proc_entry;
1163 spinlock_t aux_lock;
1164 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1165 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1166 #define FLAG_RADIO_MASK 0x03
1167 #define FLAG_ENABLED 2
1168 #define FLAG_ADHOC 3 /* Needed by MIC */
1169 #define FLAG_MIC_CAPABLE 4
1170 #define FLAG_UPDATE_MULTI 5
1171 #define FLAG_UPDATE_UNI 6
1172 #define FLAG_802_11 7
1173 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1174 #define FLAG_PENDING_XMIT 9
1175 #define FLAG_PENDING_XMIT11 10
1176 #define FLAG_MPI 11
1177 #define FLAG_REGISTERED 12
1178 #define FLAG_COMMIT 13
1179 #define FLAG_RESET 14
1180 #define FLAG_FLASHING 15
1181 #define FLAG_WPA_CAPABLE 16
1182 unsigned long flags;
1183 #define JOB_DIE 0
1184 #define JOB_XMIT 1
1185 #define JOB_XMIT11 2
1186 #define JOB_STATS 3
1187 #define JOB_PROMISC 4
1188 #define JOB_MIC 5
1189 #define JOB_EVENT 6
1190 #define JOB_AUTOWEP 7
1191 #define JOB_WSTATS 8
1192 #define JOB_SCAN_RESULTS 9
1193 unsigned long jobs;
1194 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1195 int whichbap);
1196 unsigned short *flash;
1197 tdsRssiEntry *rssi;
1198 struct task_struct *list_bss_task;
1199 struct task_struct *airo_thread_task;
1200 struct semaphore sem;
1201 wait_queue_head_t thr_wait;
1202 unsigned long expires;
1203 struct {
1204 struct sk_buff *skb;
1205 int fid;
1206 } xmit, xmit11;
1207 struct net_device *wifidev;
1208 struct iw_statistics wstats; // wireless stats
1209 unsigned long scan_timeout; /* Time scan should be read */
1210 struct iw_spy_data spy_data;
1211 struct iw_public_data wireless_data;
1212 /* MIC stuff */
1213 struct crypto_cipher *tfm;
1214 mic_module mod[2];
1215 mic_statistics micstats;
1216 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1217 HostTxDesc txfids[MPI_MAX_FIDS];
1218 HostRidDesc config_desc;
1219 unsigned long ridbus; // phys addr of config_desc
1220 struct sk_buff_head txq;// tx queue used by mpi350 code
1221 struct pci_dev *pci;
1222 unsigned char __iomem *pcimem;
1223 unsigned char __iomem *pciaux;
1224 unsigned char *shared;
1225 dma_addr_t shared_dma;
1226 pm_message_t power;
1227 SsidRid *SSID;
1228 APListRid *APList;
1229 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1230 char proc_name[IFNAMSIZ];
1231
1232 /* WPA-related stuff */
1233 unsigned int bssListFirst;
1234 unsigned int bssListNext;
1235 unsigned int bssListRidLen;
1236
1237 struct list_head network_list;
1238 struct list_head network_free_list;
1239 BSSListElement *networks;
1240 };
1241
1242 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1243 int whichbap)
1244 {
1245 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1246 }
1247
1248 static int setup_proc_entry( struct net_device *dev,
1249 struct airo_info *apriv );
1250 static int takedown_proc_entry( struct net_device *dev,
1251 struct airo_info *apriv );
1252
1253 static int cmdreset(struct airo_info *ai);
1254 static int setflashmode (struct airo_info *ai);
1255 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1256 static int flashputbuf(struct airo_info *ai);
1257 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1258
1259 #define airo_print(type, name, fmt, args...) \
1260 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1261
1262 #define airo_print_info(name, fmt, args...) \
1263 airo_print(KERN_INFO, name, fmt, ##args)
1264
1265 #define airo_print_dbg(name, fmt, args...) \
1266 airo_print(KERN_DEBUG, name, fmt, ##args)
1267
1268 #define airo_print_warn(name, fmt, args...) \
1269 airo_print(KERN_WARNING, name, fmt, ##args)
1270
1271 #define airo_print_err(name, fmt, args...) \
1272 airo_print(KERN_ERR, name, fmt, ##args)
1273
1274
1275 /***********************************************************************
1276 * MIC ROUTINES *
1277 ***********************************************************************
1278 */
1279
1280 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1281 static void MoveWindow(miccntx *context, u32 micSeq);
1282 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1283 struct crypto_cipher *tfm);
1284 static void emmh32_init(emmh32_context *context);
1285 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1286 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1287 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1288
1289 /* micinit - Initialize mic seed */
1290
1291 static void micinit(struct airo_info *ai)
1292 {
1293 MICRid mic_rid;
1294
1295 clear_bit(JOB_MIC, &ai->jobs);
1296 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1297 up(&ai->sem);
1298
1299 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1300
1301 if (ai->micstats.enabled) {
1302 /* Key must be valid and different */
1303 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1304 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1305 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1306 /* Age current mic Context */
1307 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1308 /* Initialize new context */
1309 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1310 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1311 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1312 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1313 ai->mod[0].mCtx.valid = 1; //Key is now valid
1314
1315 /* Give key to mic seed */
1316 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1317 }
1318
1319 /* Key must be valid and different */
1320 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1321 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1322 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1323 /* Age current mic Context */
1324 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1325 /* Initialize new context */
1326 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1327
1328 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1329 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1330 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1331 ai->mod[0].uCtx.valid = 1; //Key is now valid
1332
1333 //Give key to mic seed
1334 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1335 }
1336 } else {
1337 /* So next time we have a valid key and mic is enabled, we will update
1338 * the sequence number if the key is the same as before.
1339 */
1340 ai->mod[0].uCtx.valid = 0;
1341 ai->mod[0].mCtx.valid = 0;
1342 }
1343 }
1344
1345 /* micsetup - Get ready for business */
1346
1347 static int micsetup(struct airo_info *ai) {
1348 int i;
1349
1350 if (ai->tfm == NULL)
1351 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1352
1353 if (IS_ERR(ai->tfm)) {
1354 airo_print_err(ai->dev->name, "failed to load transform for AES");
1355 ai->tfm = NULL;
1356 return ERROR;
1357 }
1358
1359 for (i=0; i < NUM_MODULES; i++) {
1360 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1361 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1362 }
1363 return SUCCESS;
1364 }
1365
1366 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1367
1368 /*===========================================================================
1369 * Description: Mic a packet
1370 *
1371 * Inputs: etherHead * pointer to an 802.3 frame
1372 *
1373 * Returns: BOOLEAN if successful, otherwise false.
1374 * PacketTxLen will be updated with the mic'd packets size.
1375 *
1376 * Caveats: It is assumed that the frame buffer will already
1377 * be big enough to hold the largets mic message possible.
1378 * (No memory allocation is done here).
1379 *
1380 * Author: sbraneky (10/15/01)
1381 * Merciless hacks by rwilcher (1/14/02)
1382 */
1383
1384 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1385 {
1386 miccntx *context;
1387
1388 // Determine correct context
1389 // If not adhoc, always use unicast key
1390
1391 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1392 context = &ai->mod[0].mCtx;
1393 else
1394 context = &ai->mod[0].uCtx;
1395
1396 if (!context->valid)
1397 return ERROR;
1398
1399 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1400
1401 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1402
1403 // Add Tx sequence
1404 mic->seq = htonl(context->tx);
1405 context->tx += 2;
1406
1407 emmh32_init(&context->seed); // Mic the packet
1408 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1409 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1410 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1411 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1412 emmh32_final(&context->seed, (u8*)&mic->mic);
1413
1414 /* New Type/length ?????????? */
1415 mic->typelen = 0; //Let NIC know it could be an oversized packet
1416 return SUCCESS;
1417 }
1418
1419 typedef enum {
1420 NONE,
1421 NOMIC,
1422 NOMICPLUMMED,
1423 SEQUENCE,
1424 INCORRECTMIC,
1425 } mic_error;
1426
1427 /*===========================================================================
1428 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1429 * (removes the MIC stuff) if packet is a valid packet.
1430 *
1431 * Inputs: etherHead pointer to the 802.3 packet
1432 *
1433 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1434 *
1435 * Author: sbraneky (10/15/01)
1436 * Merciless hacks by rwilcher (1/14/02)
1437 *---------------------------------------------------------------------------
1438 */
1439
1440 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1441 {
1442 int i;
1443 u32 micSEQ;
1444 miccntx *context;
1445 u8 digest[4];
1446 mic_error micError = NONE;
1447
1448 // Check if the packet is a Mic'd packet
1449
1450 if (!ai->micstats.enabled) {
1451 //No Mic set or Mic OFF but we received a MIC'd packet.
1452 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1453 ai->micstats.rxMICPlummed++;
1454 return ERROR;
1455 }
1456 return SUCCESS;
1457 }
1458
1459 if (ntohs(mic->typelen) == 0x888E)
1460 return SUCCESS;
1461
1462 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1463 // Mic enabled but packet isn't Mic'd
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467
1468 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1469
1470 //At this point we a have a mic'd packet and mic is enabled
1471 //Now do the mic error checking.
1472
1473 //Receive seq must be odd
1474 if ( (micSEQ & 1) == 0 ) {
1475 ai->micstats.rxWrongSequence++;
1476 return ERROR;
1477 }
1478
1479 for (i = 0; i < NUM_MODULES; i++) {
1480 int mcast = eth->da[0] & 1;
1481 //Determine proper context
1482 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1483
1484 //Make sure context is valid
1485 if (!context->valid) {
1486 if (i == 0)
1487 micError = NOMICPLUMMED;
1488 continue;
1489 }
1490 //DeMic it
1491
1492 if (!mic->typelen)
1493 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1494
1495 emmh32_init(&context->seed);
1496 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1497 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1498 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1499 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1500 //Calculate MIC
1501 emmh32_final(&context->seed, digest);
1502
1503 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1504 //Invalid Mic
1505 if (i == 0)
1506 micError = INCORRECTMIC;
1507 continue;
1508 }
1509
1510 //Check Sequence number if mics pass
1511 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1512 ai->micstats.rxSuccess++;
1513 return SUCCESS;
1514 }
1515 if (i == 0)
1516 micError = SEQUENCE;
1517 }
1518
1519 // Update statistics
1520 switch (micError) {
1521 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1522 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1523 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1524 case NONE: break;
1525 case NOMIC: break;
1526 }
1527 return ERROR;
1528 }
1529
1530 /*===========================================================================
1531 * Description: Checks the Rx Seq number to make sure it is valid
1532 * and hasn't already been received
1533 *
1534 * Inputs: miccntx - mic context to check seq against
1535 * micSeq - the Mic seq number
1536 *
1537 * Returns: TRUE if valid otherwise FALSE.
1538 *
1539 * Author: sbraneky (10/15/01)
1540 * Merciless hacks by rwilcher (1/14/02)
1541 *---------------------------------------------------------------------------
1542 */
1543
1544 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1545 {
1546 u32 seq,index;
1547
1548 //Allow for the ap being rebooted - if it is then use the next
1549 //sequence number of the current sequence number - might go backwards
1550
1551 if (mcast) {
1552 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33;
1555 context->rx = 0; // Reset rx
1556 }
1557 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1558 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1559 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1560 context->rx = 0; // Reset rx
1561 }
1562
1563 //Make sequence number relative to START of window
1564 seq = micSeq - (context->window - 33);
1565
1566 //Too old of a SEQ number to check.
1567 if ((s32)seq < 0)
1568 return ERROR;
1569
1570 if ( seq > 64 ) {
1571 //Window is infinite forward
1572 MoveWindow(context,micSeq);
1573 return SUCCESS;
1574 }
1575
1576 // We are in the window. Now check the context rx bit to see if it was already sent
1577 seq >>= 1; //divide by 2 because we only have odd numbers
1578 index = 1 << seq; //Get an index number
1579
1580 if (!(context->rx & index)) {
1581 //micSEQ falls inside the window.
1582 //Add seqence number to the list of received numbers.
1583 context->rx |= index;
1584
1585 MoveWindow(context,micSeq);
1586
1587 return SUCCESS;
1588 }
1589 return ERROR;
1590 }
1591
1592 static void MoveWindow(miccntx *context, u32 micSeq)
1593 {
1594 u32 shift;
1595
1596 //Move window if seq greater than the middle of the window
1597 if (micSeq > context->window) {
1598 shift = (micSeq - context->window) >> 1;
1599
1600 //Shift out old
1601 if (shift < 32)
1602 context->rx >>= shift;
1603 else
1604 context->rx = 0;
1605
1606 context->window = micSeq; //Move window
1607 }
1608 }
1609
1610 /*==============================================*/
1611 /*========== EMMH ROUTINES ====================*/
1612 /*==============================================*/
1613
1614 /* mic accumulate */
1615 #define MIC_ACCUM(val) \
1616 context->accum += (u64)(val) * context->coeff[coeff_position++];
1617
1618 static unsigned char aes_counter[16];
1619
1620 /* expand the key to fill the MMH coefficient array */
1621 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1622 struct crypto_cipher *tfm)
1623 {
1624 /* take the keying material, expand if necessary, truncate at 16-bytes */
1625 /* run through AES counter mode to generate context->coeff[] */
1626
1627 int i,j;
1628 u32 counter;
1629 u8 *cipher, plain[16];
1630
1631 crypto_cipher_setkey(tfm, pkey, 16);
1632 counter = 0;
1633 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1634 aes_counter[15] = (u8)(counter >> 0);
1635 aes_counter[14] = (u8)(counter >> 8);
1636 aes_counter[13] = (u8)(counter >> 16);
1637 aes_counter[12] = (u8)(counter >> 24);
1638 counter++;
1639 memcpy (plain, aes_counter, 16);
1640 crypto_cipher_encrypt_one(tfm, plain, plain);
1641 cipher = plain;
1642 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1643 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1644 j += 4;
1645 }
1646 }
1647 }
1648
1649 /* prepare for calculation of a new mic */
1650 static void emmh32_init(emmh32_context *context)
1651 {
1652 /* prepare for new mic calculation */
1653 context->accum = 0;
1654 context->position = 0;
1655 }
1656
1657 /* add some bytes to the mic calculation */
1658 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1659 {
1660 int coeff_position, byte_position;
1661
1662 if (len == 0) return;
1663
1664 coeff_position = context->position >> 2;
1665
1666 /* deal with partial 32-bit word left over from last update */
1667 byte_position = context->position & 3;
1668 if (byte_position) {
1669 /* have a partial word in part to deal with */
1670 do {
1671 if (len == 0) return;
1672 context->part.d8[byte_position++] = *pOctets++;
1673 context->position++;
1674 len--;
1675 } while (byte_position < 4);
1676 MIC_ACCUM(ntohl(context->part.d32));
1677 }
1678
1679 /* deal with full 32-bit words */
1680 while (len >= 4) {
1681 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1682 context->position += 4;
1683 pOctets += 4;
1684 len -= 4;
1685 }
1686
1687 /* deal with partial 32-bit word that will be left over from this update */
1688 byte_position = 0;
1689 while (len > 0) {
1690 context->part.d8[byte_position++] = *pOctets++;
1691 context->position++;
1692 len--;
1693 }
1694 }
1695
1696 /* mask used to zero empty bytes for final partial word */
1697 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1698
1699 /* calculate the mic */
1700 static void emmh32_final(emmh32_context *context, u8 digest[4])
1701 {
1702 int coeff_position, byte_position;
1703 u32 val;
1704
1705 u64 sum, utmp;
1706 s64 stmp;
1707
1708 coeff_position = context->position >> 2;
1709
1710 /* deal with partial 32-bit word left over from last update */
1711 byte_position = context->position & 3;
1712 if (byte_position) {
1713 /* have a partial word in part to deal with */
1714 val = ntohl(context->part.d32);
1715 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1716 }
1717
1718 /* reduce the accumulated u64 to a 32-bit MIC */
1719 sum = context->accum;
1720 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1721 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1722 sum = utmp & 0xffffffffLL;
1723 if (utmp > 0x10000000fLL)
1724 sum -= 15;
1725
1726 val = (u32)sum;
1727 digest[0] = (val>>24) & 0xFF;
1728 digest[1] = (val>>16) & 0xFF;
1729 digest[2] = (val>>8) & 0xFF;
1730 digest[3] = val & 0xFF;
1731 }
1732
1733 static int readBSSListRid(struct airo_info *ai, int first,
1734 BSSListRid *list)
1735 {
1736 Cmd cmd;
1737 Resp rsp;
1738
1739 if (first == 1) {
1740 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1741 memset(&cmd, 0, sizeof(cmd));
1742 cmd.cmd=CMD_LISTBSS;
1743 if (down_interruptible(&ai->sem))
1744 return -ERESTARTSYS;
1745 ai->list_bss_task = current;
1746 issuecommand(ai, &cmd, &rsp);
1747 up(&ai->sem);
1748 /* Let the command take effect */
1749 schedule_timeout_uninterruptible(3 * HZ);
1750 ai->list_bss_task = NULL;
1751 }
1752 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1753 list, ai->bssListRidLen, 1);
1754 }
1755
1756 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1757 {
1758 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1759 wkr, sizeof(*wkr), lock);
1760 }
1761
1762 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1763 {
1764 int rc;
1765 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1766 if (rc!=SUCCESS)
1767 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1768 if (perm) {
1769 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1770 if (rc!=SUCCESS)
1771 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1772 }
1773 return rc;
1774 }
1775
1776 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1777 {
1778 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1779 }
1780
1781 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1782 {
1783 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1784 }
1785
1786 static int readConfigRid(struct airo_info *ai, int lock)
1787 {
1788 int rc;
1789 ConfigRid cfg;
1790
1791 if (ai->config.len)
1792 return SUCCESS;
1793
1794 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1795 if (rc != SUCCESS)
1796 return rc;
1797
1798 ai->config = cfg;
1799 return SUCCESS;
1800 }
1801
1802 static inline void checkThrottle(struct airo_info *ai)
1803 {
1804 int i;
1805 /* Old hardware had a limit on encryption speed */
1806 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1807 for(i=0; i<8; i++) {
1808 if (ai->config.rates[i] > maxencrypt) {
1809 ai->config.rates[i] = 0;
1810 }
1811 }
1812 }
1813 }
1814
1815 static int writeConfigRid(struct airo_info *ai, int lock)
1816 {
1817 ConfigRid cfgr;
1818
1819 if (!test_bit (FLAG_COMMIT, &ai->flags))
1820 return SUCCESS;
1821
1822 clear_bit (FLAG_COMMIT, &ai->flags);
1823 clear_bit (FLAG_RESET, &ai->flags);
1824 checkThrottle(ai);
1825 cfgr = ai->config;
1826
1827 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1828 set_bit(FLAG_ADHOC, &ai->flags);
1829 else
1830 clear_bit(FLAG_ADHOC, &ai->flags);
1831
1832 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1833 }
1834
1835 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1836 {
1837 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1838 }
1839
1840 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1841 {
1842 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1843 }
1844
1845 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1846 {
1847 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1848 }
1849
1850 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1851 {
1852 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1853 }
1854
1855 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1856 {
1857 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1858 }
1859
1860 static void try_auto_wep(struct airo_info *ai)
1861 {
1862 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1863 ai->expires = RUN_AT(3*HZ);
1864 wake_up_interruptible(&ai->thr_wait);
1865 }
1866 }
1867
1868 static int airo_open(struct net_device *dev) {
1869 struct airo_info *ai = dev->priv;
1870 int rc = 0;
1871
1872 if (test_bit(FLAG_FLASHING, &ai->flags))
1873 return -EIO;
1874
1875 /* Make sure the card is configured.
1876 * Wireless Extensions may postpone config changes until the card
1877 * is open (to pipeline changes and speed-up card setup). If
1878 * those changes are not yet commited, do it now - Jean II */
1879 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1880 disable_MAC(ai, 1);
1881 writeConfigRid(ai, 1);
1882 }
1883
1884 if (ai->wifidev != dev) {
1885 clear_bit(JOB_DIE, &ai->jobs);
1886 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1887 if (IS_ERR(ai->airo_thread_task))
1888 return (int)PTR_ERR(ai->airo_thread_task);
1889
1890 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1891 dev->name, dev);
1892 if (rc) {
1893 airo_print_err(dev->name,
1894 "register interrupt %d failed, rc %d",
1895 dev->irq, rc);
1896 set_bit(JOB_DIE, &ai->jobs);
1897 kthread_stop(ai->airo_thread_task);
1898 return rc;
1899 }
1900
1901 /* Power on the MAC controller (which may have been disabled) */
1902 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1903 enable_interrupts(ai);
1904
1905 try_auto_wep(ai);
1906 }
1907 enable_MAC(ai, 1);
1908
1909 netif_start_queue(dev);
1910 return 0;
1911 }
1912
1913 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1914 int npacks, pending;
1915 unsigned long flags;
1916 struct airo_info *ai = dev->priv;
1917
1918 if (!skb) {
1919 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1920 return 0;
1921 }
1922 npacks = skb_queue_len (&ai->txq);
1923
1924 if (npacks >= MAXTXQ - 1) {
1925 netif_stop_queue (dev);
1926 if (npacks > MAXTXQ) {
1927 ai->stats.tx_fifo_errors++;
1928 return 1;
1929 }
1930 skb_queue_tail (&ai->txq, skb);
1931 return 0;
1932 }
1933
1934 spin_lock_irqsave(&ai->aux_lock, flags);
1935 skb_queue_tail (&ai->txq, skb);
1936 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1937 spin_unlock_irqrestore(&ai->aux_lock,flags);
1938 netif_wake_queue (dev);
1939
1940 if (pending == 0) {
1941 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1942 mpi_send_packet (dev);
1943 }
1944 return 0;
1945 }
1946
1947 /*
1948 * @mpi_send_packet
1949 *
1950 * Attempt to transmit a packet. Can be called from interrupt
1951 * or transmit . return number of packets we tried to send
1952 */
1953
1954 static int mpi_send_packet (struct net_device *dev)
1955 {
1956 struct sk_buff *skb;
1957 unsigned char *buffer;
1958 s16 len;
1959 __le16 *payloadLen;
1960 struct airo_info *ai = dev->priv;
1961 u8 *sendbuf;
1962
1963 /* get a packet to send */
1964
1965 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1966 airo_print_err(dev->name,
1967 "%s: Dequeue'd zero in send_packet()",
1968 __FUNCTION__);
1969 return 0;
1970 }
1971
1972 /* check min length*/
1973 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1974 buffer = skb->data;
1975
1976 ai->txfids[0].tx_desc.offset = 0;
1977 ai->txfids[0].tx_desc.valid = 1;
1978 ai->txfids[0].tx_desc.eoc = 1;
1979 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1980
1981 /*
1982 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1983 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1984 * is immediatly after it. ------------------------------------------------
1985 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1986 * ------------------------------------------------
1987 */
1988
1989 memcpy((char *)ai->txfids[0].virtual_host_addr,
1990 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1991
1992 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1993 sizeof(wifictlhdr8023));
1994 sendbuf = ai->txfids[0].virtual_host_addr +
1995 sizeof(wifictlhdr8023) + 2 ;
1996
1997 /*
1998 * Firmware automaticly puts 802 header on so
1999 * we don't need to account for it in the length
2000 */
2001 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2002 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2003 MICBuffer pMic;
2004
2005 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2006 return ERROR;
2007
2008 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2009 ai->txfids[0].tx_desc.len += sizeof(pMic);
2010 /* copy data into airo dma buffer */
2011 memcpy (sendbuf, buffer, sizeof(etherHead));
2012 buffer += sizeof(etherHead);
2013 sendbuf += sizeof(etherHead);
2014 memcpy (sendbuf, &pMic, sizeof(pMic));
2015 sendbuf += sizeof(pMic);
2016 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2017 } else {
2018 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2019
2020 dev->trans_start = jiffies;
2021
2022 /* copy data into airo dma buffer */
2023 memcpy(sendbuf, buffer, len);
2024 }
2025
2026 memcpy_toio(ai->txfids[0].card_ram_off,
2027 &ai->txfids[0].tx_desc, sizeof(TxFid));
2028
2029 OUT4500(ai, EVACK, 8);
2030
2031 dev_kfree_skb_any(skb);
2032 return 1;
2033 }
2034
2035 static void get_tx_error(struct airo_info *ai, s32 fid)
2036 {
2037 __le16 status;
2038
2039 if (fid < 0)
2040 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2041 else {
2042 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2043 return;
2044 bap_read(ai, &status, 2, BAP0);
2045 }
2046 if (le16_to_cpu(status) & 2) /* Too many retries */
2047 ai->stats.tx_aborted_errors++;
2048 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2049 ai->stats.tx_heartbeat_errors++;
2050 if (le16_to_cpu(status) & 8) /* Aid fail */
2051 { }
2052 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2053 ai->stats.tx_carrier_errors++;
2054 if (le16_to_cpu(status) & 0x20) /* Association lost */
2055 { }
2056 /* We produce a TXDROP event only for retry or lifetime
2057 * exceeded, because that's the only status that really mean
2058 * that this particular node went away.
2059 * Other errors means that *we* screwed up. - Jean II */
2060 if ((le16_to_cpu(status) & 2) ||
2061 (le16_to_cpu(status) & 4)) {
2062 union iwreq_data wrqu;
2063 char junk[0x18];
2064
2065 /* Faster to skip over useless data than to do
2066 * another bap_setup(). We are at offset 0x6 and
2067 * need to go to 0x18 and read 6 bytes - Jean II */
2068 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2069
2070 /* Copy 802.11 dest address.
2071 * We use the 802.11 header because the frame may
2072 * not be 802.3 or may be mangled...
2073 * In Ad-Hoc mode, it will be the node address.
2074 * In managed mode, it will be most likely the AP addr
2075 * User space will figure out how to convert it to
2076 * whatever it needs (IP address or else).
2077 * - Jean II */
2078 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2079 wrqu.addr.sa_family = ARPHRD_ETHER;
2080
2081 /* Send event to user space */
2082 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2083 }
2084 }
2085
2086 static void airo_end_xmit(struct net_device *dev) {
2087 u16 status;
2088 int i;
2089 struct airo_info *priv = dev->priv;
2090 struct sk_buff *skb = priv->xmit.skb;
2091 int fid = priv->xmit.fid;
2092 u32 *fids = priv->fids;
2093
2094 clear_bit(JOB_XMIT, &priv->jobs);
2095 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2096 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2097 up(&priv->sem);
2098
2099 i = 0;
2100 if ( status == SUCCESS ) {
2101 dev->trans_start = jiffies;
2102 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2103 } else {
2104 priv->fids[fid] &= 0xffff;
2105 priv->stats.tx_window_errors++;
2106 }
2107 if (i < MAX_FIDS / 2)
2108 netif_wake_queue(dev);
2109 dev_kfree_skb(skb);
2110 }
2111
2112 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2113 s16 len;
2114 int i, j;
2115 struct airo_info *priv = dev->priv;
2116 u32 *fids = priv->fids;
2117
2118 if ( skb == NULL ) {
2119 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2120 return 0;
2121 }
2122
2123 /* Find a vacant FID */
2124 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2125 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2126
2127 if ( j >= MAX_FIDS / 2 ) {
2128 netif_stop_queue(dev);
2129
2130 if (i == MAX_FIDS / 2) {
2131 priv->stats.tx_fifo_errors++;
2132 return 1;
2133 }
2134 }
2135 /* check min length*/
2136 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2137 /* Mark fid as used & save length for later */
2138 fids[i] |= (len << 16);
2139 priv->xmit.skb = skb;
2140 priv->xmit.fid = i;
2141 if (down_trylock(&priv->sem) != 0) {
2142 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2143 netif_stop_queue(dev);
2144 set_bit(JOB_XMIT, &priv->jobs);
2145 wake_up_interruptible(&priv->thr_wait);
2146 } else
2147 airo_end_xmit(dev);
2148 return 0;
2149 }
2150
2151 static void airo_end_xmit11(struct net_device *dev) {
2152 u16 status;
2153 int i;
2154 struct airo_info *priv = dev->priv;
2155 struct sk_buff *skb = priv->xmit11.skb;
2156 int fid = priv->xmit11.fid;
2157 u32 *fids = priv->fids;
2158
2159 clear_bit(JOB_XMIT11, &priv->jobs);
2160 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2161 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2162 up(&priv->sem);
2163
2164 i = MAX_FIDS / 2;
2165 if ( status == SUCCESS ) {
2166 dev->trans_start = jiffies;
2167 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2168 } else {
2169 priv->fids[fid] &= 0xffff;
2170 priv->stats.tx_window_errors++;
2171 }
2172 if (i < MAX_FIDS)
2173 netif_wake_queue(dev);
2174 dev_kfree_skb(skb);
2175 }
2176
2177 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2178 s16 len;
2179 int i, j;
2180 struct airo_info *priv = dev->priv;
2181 u32 *fids = priv->fids;
2182
2183 if (test_bit(FLAG_MPI, &priv->flags)) {
2184 /* Not implemented yet for MPI350 */
2185 netif_stop_queue(dev);
2186 return -ENETDOWN;
2187 }
2188
2189 if ( skb == NULL ) {
2190 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2191 return 0;
2192 }
2193
2194 /* Find a vacant FID */
2195 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2196 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2197
2198 if ( j >= MAX_FIDS ) {
2199 netif_stop_queue(dev);
2200
2201 if (i == MAX_FIDS) {
2202 priv->stats.tx_fifo_errors++;
2203 return 1;
2204 }
2205 }
2206 /* check min length*/
2207 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2208 /* Mark fid as used & save length for later */
2209 fids[i] |= (len << 16);
2210 priv->xmit11.skb = skb;
2211 priv->xmit11.fid = i;
2212 if (down_trylock(&priv->sem) != 0) {
2213 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2214 netif_stop_queue(dev);
2215 set_bit(JOB_XMIT11, &priv->jobs);
2216 wake_up_interruptible(&priv->thr_wait);
2217 } else
2218 airo_end_xmit11(dev);
2219 return 0;
2220 }
2221
2222 static void airo_read_stats(struct airo_info *ai)
2223 {
2224 StatsRid stats_rid;
2225 __le32 *vals = stats_rid.vals;
2226
2227 clear_bit(JOB_STATS, &ai->jobs);
2228 if (ai->power.event) {
2229 up(&ai->sem);
2230 return;
2231 }
2232 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2233 up(&ai->sem);
2234
2235 ai->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2236 le32_to_cpu(vals[45]);
2237 ai->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2238 le32_to_cpu(vals[41]);
2239 ai->stats.rx_bytes = le32_to_cpu(vals[92]);
2240 ai->stats.tx_bytes = le32_to_cpu(vals[91]);
2241 ai->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2242 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2243 ai->stats.tx_errors = le32_to_cpu(vals[42]) + ai->stats.tx_fifo_errors;
2244 ai->stats.multicast = le32_to_cpu(vals[43]);
2245 ai->stats.collisions = le32_to_cpu(vals[89]);
2246
2247 /* detailed rx_errors: */
2248 ai->stats.rx_length_errors = le32_to_cpu(vals[3]);
2249 ai->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2250 ai->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2251 ai->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2252 }
2253
2254 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2255 {
2256 struct airo_info *local = dev->priv;
2257
2258 if (!test_bit(JOB_STATS, &local->jobs)) {
2259 /* Get stats out of the card if available */
2260 if (down_trylock(&local->sem) != 0) {
2261 set_bit(JOB_STATS, &local->jobs);
2262 wake_up_interruptible(&local->thr_wait);
2263 } else
2264 airo_read_stats(local);
2265 }
2266
2267 return &local->stats;
2268 }
2269
2270 static void airo_set_promisc(struct airo_info *ai) {
2271 Cmd cmd;
2272 Resp rsp;
2273
2274 memset(&cmd, 0, sizeof(cmd));
2275 cmd.cmd=CMD_SETMODE;
2276 clear_bit(JOB_PROMISC, &ai->jobs);
2277 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2278 issuecommand(ai, &cmd, &rsp);
2279 up(&ai->sem);
2280 }
2281
2282 static void airo_set_multicast_list(struct net_device *dev) {
2283 struct airo_info *ai = dev->priv;
2284
2285 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2286 change_bit(FLAG_PROMISC, &ai->flags);
2287 if (down_trylock(&ai->sem) != 0) {
2288 set_bit(JOB_PROMISC, &ai->jobs);
2289 wake_up_interruptible(&ai->thr_wait);
2290 } else
2291 airo_set_promisc(ai);
2292 }
2293
2294 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2295 /* Turn on multicast. (Should be already setup...) */
2296 }
2297 }
2298
2299 static int airo_set_mac_address(struct net_device *dev, void *p)
2300 {
2301 struct airo_info *ai = dev->priv;
2302 struct sockaddr *addr = p;
2303
2304 readConfigRid(ai, 1);
2305 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2306 set_bit (FLAG_COMMIT, &ai->flags);
2307 disable_MAC(ai, 1);
2308 writeConfigRid (ai, 1);
2309 enable_MAC(ai, 1);
2310 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2311 if (ai->wifidev)
2312 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2313 return 0;
2314 }
2315
2316 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2317 {
2318 if ((new_mtu < 68) || (new_mtu > 2400))
2319 return -EINVAL;
2320 dev->mtu = new_mtu;
2321 return 0;
2322 }
2323
2324 static LIST_HEAD(airo_devices);
2325
2326 static void add_airo_dev(struct airo_info *ai)
2327 {
2328 /* Upper layers already keep track of PCI devices,
2329 * so we only need to remember our non-PCI cards. */
2330 if (!ai->pci)
2331 list_add_tail(&ai->dev_list, &airo_devices);
2332 }
2333
2334 static void del_airo_dev(struct airo_info *ai)
2335 {
2336 if (!ai->pci)
2337 list_del(&ai->dev_list);
2338 }
2339
2340 static int airo_close(struct net_device *dev) {
2341 struct airo_info *ai = dev->priv;
2342
2343 netif_stop_queue(dev);
2344
2345 if (ai->wifidev != dev) {
2346 #ifdef POWER_ON_DOWN
2347 /* Shut power to the card. The idea is that the user can save
2348 * power when he doesn't need the card with "ifconfig down".
2349 * That's the method that is most friendly towards the network
2350 * stack (i.e. the network stack won't try to broadcast
2351 * anything on the interface and routes are gone. Jean II */
2352 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2353 disable_MAC(ai, 1);
2354 #endif
2355 disable_interrupts( ai );
2356
2357 free_irq(dev->irq, dev);
2358
2359 set_bit(JOB_DIE, &ai->jobs);
2360 kthread_stop(ai->airo_thread_task);
2361 }
2362 return 0;
2363 }
2364
2365 void stop_airo_card( struct net_device *dev, int freeres )
2366 {
2367 struct airo_info *ai = dev->priv;
2368
2369 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2370 disable_MAC(ai, 1);
2371 disable_interrupts(ai);
2372 takedown_proc_entry( dev, ai );
2373 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2374 unregister_netdev( dev );
2375 if (ai->wifidev) {
2376 unregister_netdev(ai->wifidev);
2377 free_netdev(ai->wifidev);
2378 ai->wifidev = NULL;
2379 }
2380 clear_bit(FLAG_REGISTERED, &ai->flags);
2381 }
2382 /*
2383 * Clean out tx queue
2384 */
2385 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2386 struct sk_buff *skb = NULL;
2387 for (;(skb = skb_dequeue(&ai->txq));)
2388 dev_kfree_skb(skb);
2389 }
2390
2391 airo_networks_free (ai);
2392
2393 kfree(ai->flash);
2394 kfree(ai->rssi);
2395 kfree(ai->APList);
2396 kfree(ai->SSID);
2397 if (freeres) {
2398 /* PCMCIA frees this stuff, so only for PCI and ISA */
2399 release_region( dev->base_addr, 64 );
2400 if (test_bit(FLAG_MPI, &ai->flags)) {
2401 if (ai->pci)
2402 mpi_unmap_card(ai->pci);
2403 if (ai->pcimem)
2404 iounmap(ai->pcimem);
2405 if (ai->pciaux)
2406 iounmap(ai->pciaux);
2407 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2408 ai->shared, ai->shared_dma);
2409 }
2410 }
2411 crypto_free_cipher(ai->tfm);
2412 del_airo_dev(ai);
2413 free_netdev( dev );
2414 }
2415
2416 EXPORT_SYMBOL(stop_airo_card);
2417
2418 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2419 {
2420 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2421 return ETH_ALEN;
2422 }
2423
2424 static void mpi_unmap_card(struct pci_dev *pci)
2425 {
2426 unsigned long mem_start = pci_resource_start(pci, 1);
2427 unsigned long mem_len = pci_resource_len(pci, 1);
2428 unsigned long aux_start = pci_resource_start(pci, 2);
2429 unsigned long aux_len = AUXMEMSIZE;
2430
2431 release_mem_region(aux_start, aux_len);
2432 release_mem_region(mem_start, mem_len);
2433 }
2434
2435 /*************************************************************
2436 * This routine assumes that descriptors have been setup .
2437 * Run at insmod time or after reset when the decriptors
2438 * have been initialized . Returns 0 if all is well nz
2439 * otherwise . Does not allocate memory but sets up card
2440 * using previously allocated descriptors.
2441 */
2442 static int mpi_init_descriptors (struct airo_info *ai)
2443 {
2444 Cmd cmd;
2445 Resp rsp;
2446 int i;
2447 int rc = SUCCESS;
2448
2449 /* Alloc card RX descriptors */
2450 netif_stop_queue(ai->dev);
2451
2452 memset(&rsp,0,sizeof(rsp));
2453 memset(&cmd,0,sizeof(cmd));
2454
2455 cmd.cmd = CMD_ALLOCATEAUX;
2456 cmd.parm0 = FID_RX;
2457 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2458 cmd.parm2 = MPI_MAX_FIDS;
2459 rc=issuecommand(ai, &cmd, &rsp);
2460 if (rc != SUCCESS) {
2461 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2462 return rc;
2463 }
2464
2465 for (i=0; i<MPI_MAX_FIDS; i++) {
2466 memcpy_toio(ai->rxfids[i].card_ram_off,
2467 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2468 }
2469
2470 /* Alloc card TX descriptors */
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_TX;
2477 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479
2480 for (i=0; i<MPI_MAX_FIDS; i++) {
2481 ai->txfids[i].tx_desc.valid = 1;
2482 memcpy_toio(ai->txfids[i].card_ram_off,
2483 &ai->txfids[i].tx_desc, sizeof(TxFid));
2484 }
2485 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2486
2487 rc=issuecommand(ai, &cmd, &rsp);
2488 if (rc != SUCCESS) {
2489 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2490 return rc;
2491 }
2492
2493 /* Alloc card Rid descriptor */
2494 memset(&rsp,0,sizeof(rsp));
2495 memset(&cmd,0,sizeof(cmd));
2496
2497 cmd.cmd = CMD_ALLOCATEAUX;
2498 cmd.parm0 = RID_RW;
2499 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2500 cmd.parm2 = 1; /* Magic number... */
2501 rc=issuecommand(ai, &cmd, &rsp);
2502 if (rc != SUCCESS) {
2503 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2504 return rc;
2505 }
2506
2507 memcpy_toio(ai->config_desc.card_ram_off,
2508 &ai->config_desc.rid_desc, sizeof(Rid));
2509
2510 return rc;
2511 }
2512
2513 /*
2514 * We are setting up three things here:
2515 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2516 * 2) Map PCI memory for issueing commands.
2517 * 3) Allocate memory (shared) to send and receive ethernet frames.
2518 */
2519 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2520 {
2521 unsigned long mem_start, mem_len, aux_start, aux_len;
2522 int rc = -1;
2523 int i;
2524 dma_addr_t busaddroff;
2525 unsigned char *vpackoff;
2526 unsigned char __iomem *pciaddroff;
2527
2528 mem_start = pci_resource_start(pci, 1);
2529 mem_len = pci_resource_len(pci, 1);
2530 aux_start = pci_resource_start(pci, 2);
2531 aux_len = AUXMEMSIZE;
2532
2533 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2534 airo_print_err("", "Couldn't get region %x[%x]",
2535 (int)mem_start, (int)mem_len);
2536 goto out;
2537 }
2538 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2539 airo_print_err("", "Couldn't get region %x[%x]",
2540 (int)aux_start, (int)aux_len);
2541 goto free_region1;
2542 }
2543
2544 ai->pcimem = ioremap(mem_start, mem_len);
2545 if (!ai->pcimem) {
2546 airo_print_err("", "Couldn't map region %x[%x]",
2547 (int)mem_start, (int)mem_len);
2548 goto free_region2;
2549 }
2550 ai->pciaux = ioremap(aux_start, aux_len);
2551 if (!ai->pciaux) {
2552 airo_print_err("", "Couldn't map region %x[%x]",
2553 (int)aux_start, (int)aux_len);
2554 goto free_memmap;
2555 }
2556
2557 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2558 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2559 if (!ai->shared) {
2560 airo_print_err("", "Couldn't alloc_consistent %d",
2561 PCI_SHARED_LEN);
2562 goto free_auxmap;
2563 }
2564
2565 /*
2566 * Setup descriptor RX, TX, CONFIG
2567 */
2568 busaddroff = ai->shared_dma;
2569 pciaddroff = ai->pciaux + AUX_OFFSET;
2570 vpackoff = ai->shared;
2571
2572 /* RX descriptor setup */
2573 for(i = 0; i < MPI_MAX_FIDS; i++) {
2574 ai->rxfids[i].pending = 0;
2575 ai->rxfids[i].card_ram_off = pciaddroff;
2576 ai->rxfids[i].virtual_host_addr = vpackoff;
2577 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2578 ai->rxfids[i].rx_desc.valid = 1;
2579 ai->rxfids[i].rx_desc.len = PKTSIZE;
2580 ai->rxfids[i].rx_desc.rdy = 0;
2581
2582 pciaddroff += sizeof(RxFid);
2583 busaddroff += PKTSIZE;
2584 vpackoff += PKTSIZE;
2585 }
2586
2587 /* TX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->txfids[i].card_ram_off = pciaddroff;
2590 ai->txfids[i].virtual_host_addr = vpackoff;
2591 ai->txfids[i].tx_desc.valid = 1;
2592 ai->txfids[i].tx_desc.host_addr = busaddroff;
2593 memcpy(ai->txfids[i].virtual_host_addr,
2594 &wifictlhdr8023, sizeof(wifictlhdr8023));
2595
2596 pciaddroff += sizeof(TxFid);
2597 busaddroff += PKTSIZE;
2598 vpackoff += PKTSIZE;
2599 }
2600 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2601
2602 /* Rid descriptor setup */
2603 ai->config_desc.card_ram_off = pciaddroff;
2604 ai->config_desc.virtual_host_addr = vpackoff;
2605 ai->config_desc.rid_desc.host_addr = busaddroff;
2606 ai->ridbus = busaddroff;
2607 ai->config_desc.rid_desc.rid = 0;
2608 ai->config_desc.rid_desc.len = RIDSIZE;
2609 ai->config_desc.rid_desc.valid = 1;
2610 pciaddroff += sizeof(Rid);
2611 busaddroff += RIDSIZE;
2612 vpackoff += RIDSIZE;
2613
2614 /* Tell card about descriptors */
2615 if (mpi_init_descriptors (ai) != SUCCESS)
2616 goto free_shared;
2617
2618 return 0;
2619 free_shared:
2620 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2621 free_auxmap:
2622 iounmap(ai->pciaux);
2623 free_memmap:
2624 iounmap(ai->pcimem);
2625 free_region2:
2626 release_mem_region(aux_start, aux_len);
2627 free_region1:
2628 release_mem_region(mem_start, mem_len);
2629 out:
2630 return rc;
2631 }
2632
2633 static const struct header_ops airo_header_ops = {
2634 .parse = wll_header_parse,
2635 };
2636
2637 static void wifi_setup(struct net_device *dev)
2638 {
2639 dev->header_ops = &airo_header_ops;
2640 dev->hard_start_xmit = &airo_start_xmit11;
2641 dev->get_stats = &airo_get_stats;
2642 dev->set_mac_address = &airo_set_mac_address;
2643 dev->do_ioctl = &airo_ioctl;
2644 dev->wireless_handlers = &airo_handler_def;
2645 dev->change_mtu = &airo_change_mtu;
2646 dev->open = &airo_open;
2647 dev->stop = &airo_close;
2648
2649 dev->type = ARPHRD_IEEE80211;
2650 dev->hard_header_len = ETH_HLEN;
2651 dev->mtu = AIRO_DEF_MTU;
2652 dev->addr_len = ETH_ALEN;
2653 dev->tx_queue_len = 100;
2654
2655 memset(dev->broadcast,0xFF, ETH_ALEN);
2656
2657 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2658 }
2659
2660 static struct net_device *init_wifidev(struct airo_info *ai,
2661 struct net_device *ethdev)
2662 {
2663 int err;
2664 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2665 if (!dev)
2666 return NULL;
2667 dev->priv = ethdev->priv;
2668 dev->irq = ethdev->irq;
2669 dev->base_addr = ethdev->base_addr;
2670 dev->wireless_data = ethdev->wireless_data;
2671 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2672 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2673 err = register_netdev(dev);
2674 if (err<0) {
2675 free_netdev(dev);
2676 return NULL;
2677 }
2678 return dev;
2679 }
2680
2681 static int reset_card( struct net_device *dev , int lock) {
2682 struct airo_info *ai = dev->priv;
2683
2684 if (lock && down_interruptible(&ai->sem))
2685 return -1;
2686 waitbusy (ai);
2687 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2688 msleep(200);
2689 waitbusy (ai);
2690 msleep(200);
2691 if (lock)
2692 up(&ai->sem);
2693 return 0;
2694 }
2695
2696 #define AIRO_MAX_NETWORK_COUNT 64
2697 static int airo_networks_allocate(struct airo_info *ai)
2698 {
2699 if (ai->networks)
2700 return 0;
2701
2702 ai->networks =
2703 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2704 GFP_KERNEL);
2705 if (!ai->networks) {
2706 airo_print_warn("", "Out of memory allocating beacons");
2707 return -ENOMEM;
2708 }
2709
2710 return 0;
2711 }
2712
2713 static void airo_networks_free(struct airo_info *ai)
2714 {
2715 kfree(ai->networks);
2716 ai->networks = NULL;
2717 }
2718
2719 static void airo_networks_initialize(struct airo_info *ai)
2720 {
2721 int i;
2722
2723 INIT_LIST_HEAD(&ai->network_free_list);
2724 INIT_LIST_HEAD(&ai->network_list);
2725 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2726 list_add_tail(&ai->networks[i].list,
2727 &ai->network_free_list);
2728 }
2729
2730 static int airo_test_wpa_capable(struct airo_info *ai)
2731 {
2732 int status;
2733 CapabilityRid cap_rid;
2734
2735 status = readCapabilityRid(ai, &cap_rid, 1);
2736 if (status != SUCCESS) return 0;
2737
2738 /* Only firmware versions 5.30.17 or better can do WPA */
2739 if (le16_to_cpu(cap_rid.softVer) > 0x530
2740 || (le16_to_cpu(cap_rid.softVer) == 0x530
2741 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2742 airo_print_info("", "WPA is supported.");
2743 return 1;
2744 }
2745
2746 /* No WPA support */
2747 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2748 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2749 return 0;
2750 }
2751
2752 static struct net_device *_init_airo_card( unsigned short irq, int port,
2753 int is_pcmcia, struct pci_dev *pci,
2754 struct device *dmdev )
2755 {
2756 struct net_device *dev;
2757 struct airo_info *ai;
2758 int i, rc;
2759 DECLARE_MAC_BUF(mac);
2760
2761 /* Create the network device object. */
2762 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2763 if (!dev) {
2764 airo_print_err("", "Couldn't alloc_etherdev");
2765 return NULL;
2766 }
2767
2768 ai = dev->priv;
2769 ai->wifidev = NULL;
2770 ai->flags = 1 << FLAG_RADIO_DOWN;
2771 ai->jobs = 0;
2772 ai->dev = dev;
2773 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2774 airo_print_dbg("", "Found an MPI350 card");
2775 set_bit(FLAG_MPI, &ai->flags);
2776 }
2777 spin_lock_init(&ai->aux_lock);
2778 sema_init(&ai->sem, 1);
2779 ai->config.len = 0;
2780 ai->pci = pci;
2781 init_waitqueue_head (&ai->thr_wait);
2782 ai->tfm = NULL;
2783 add_airo_dev(ai);
2784
2785 if (airo_networks_allocate (ai))
2786 goto err_out_free;
2787 airo_networks_initialize (ai);
2788
2789 /* The Airo-specific entries in the device structure. */
2790 if (test_bit(FLAG_MPI,&ai->flags)) {
2791 skb_queue_head_init (&ai->txq);
2792 dev->hard_start_xmit = &mpi_start_xmit;
2793 } else
2794 dev->hard_start_xmit = &airo_start_xmit;
2795 dev->get_stats = &airo_get_stats;
2796 dev->set_multicast_list = &airo_set_multicast_list;
2797 dev->set_mac_address = &airo_set_mac_address;
2798 dev->do_ioctl = &airo_ioctl;
2799 dev->wireless_handlers = &airo_handler_def;
2800 ai->wireless_data.spy_data = &ai->spy_data;
2801 dev->wireless_data = &ai->wireless_data;
2802 dev->change_mtu = &airo_change_mtu;
2803 dev->open = &airo_open;
2804 dev->stop = &airo_close;
2805 dev->irq = irq;
2806 dev->base_addr = port;
2807
2808 SET_NETDEV_DEV(dev, dmdev);
2809
2810 reset_card (dev, 1);
2811 msleep(400);
2812
2813 if (!is_pcmcia) {
2814 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2815 rc = -EBUSY;
2816 airo_print_err(dev->name, "Couldn't request region");
2817 goto err_out_nets;
2818 }
2819 }
2820
2821 if (test_bit(FLAG_MPI,&ai->flags)) {
2822 if (mpi_map_card(ai, pci)) {
2823 airo_print_err("", "Could not map memory");
2824 goto err_out_res;
2825 }
2826 }
2827
2828 if (probe) {
2829 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2830 airo_print_err(dev->name, "MAC could not be enabled" );
2831 rc = -EIO;
2832 goto err_out_map;
2833 }
2834 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2835 ai->bap_read = fast_bap_read;
2836 set_bit(FLAG_FLASHING, &ai->flags);
2837 }
2838
2839 /* Test for WPA support */
2840 if (airo_test_wpa_capable(ai)) {
2841 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2842 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2843 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2844 ai->bssListRidLen = sizeof(BSSListRid);
2845 } else {
2846 ai->bssListFirst = RID_BSSLISTFIRST;
2847 ai->bssListNext = RID_BSSLISTNEXT;
2848 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2849 }
2850
2851 strcpy(dev->name, "eth%d");
2852 rc = register_netdev(dev);
2853 if (rc) {
2854 airo_print_err(dev->name, "Couldn't register_netdev");
2855 goto err_out_map;
2856 }
2857 ai->wifidev = init_wifidev(ai, dev);
2858 if (!ai->wifidev)
2859 goto err_out_reg;
2860
2861 set_bit(FLAG_REGISTERED,&ai->flags);
2862 airo_print_info(dev->name, "MAC enabled %s",
2863 print_mac(mac, dev->dev_addr));
2864
2865 /* Allocate the transmit buffers */
2866 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2867 for( i = 0; i < MAX_FIDS; i++ )
2868 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2869
2870 if (setup_proc_entry(dev, dev->priv) < 0)
2871 goto err_out_wifi;
2872
2873 return dev;
2874
2875 err_out_wifi:
2876 unregister_netdev(ai->wifidev);
2877 free_netdev(ai->wifidev);
2878 err_out_reg:
2879 unregister_netdev(dev);
2880 err_out_map:
2881 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2882 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2883 iounmap(ai->pciaux);
2884 iounmap(ai->pcimem);
2885 mpi_unmap_card(ai->pci);
2886 }
2887 err_out_res:
2888 if (!is_pcmcia)
2889 release_region( dev->base_addr, 64 );
2890 err_out_nets:
2891 airo_networks_free(ai);
2892 del_airo_dev(ai);
2893 err_out_free:
2894 free_netdev(dev);
2895 return NULL;
2896 }
2897
2898 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2899 struct device *dmdev)
2900 {
2901 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2902 }
2903
2904 EXPORT_SYMBOL(init_airo_card);
2905
2906 static int waitbusy (struct airo_info *ai) {
2907 int delay = 0;
2908 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2909 udelay (10);
2910 if ((++delay % 20) == 0)
2911 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2912 }
2913 return delay < 10000;
2914 }
2915
2916 int reset_airo_card( struct net_device *dev )
2917 {
2918 int i;
2919 struct airo_info *ai = dev->priv;
2920 DECLARE_MAC_BUF(mac);
2921
2922 if (reset_card (dev, 1))
2923 return -1;
2924
2925 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2926 airo_print_err(dev->name, "MAC could not be enabled");
2927 return -1;
2928 }
2929 airo_print_info(dev->name, "MAC enabled %s",
2930 print_mac(mac, dev->dev_addr));
2931 /* Allocate the transmit buffers if needed */
2932 if (!test_bit(FLAG_MPI,&ai->flags))
2933 for( i = 0; i < MAX_FIDS; i++ )
2934 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2935
2936 enable_interrupts( ai );
2937 netif_wake_queue(dev);
2938 return 0;
2939 }
2940
2941 EXPORT_SYMBOL(reset_airo_card);
2942
2943 static void airo_send_event(struct net_device *dev) {
2944 struct airo_info *ai = dev->priv;
2945 union iwreq_data wrqu;
2946 StatusRid status_rid;
2947
2948 clear_bit(JOB_EVENT, &ai->jobs);
2949 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2950 up(&ai->sem);
2951 wrqu.data.length = 0;
2952 wrqu.data.flags = 0;
2953 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2954 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2955
2956 /* Send event to user space */
2957 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2958 }
2959
2960 static void airo_process_scan_results (struct airo_info *ai) {
2961 union iwreq_data wrqu;
2962 BSSListRid bss;
2963 int rc;
2964 BSSListElement * loop_net;
2965 BSSListElement * tmp_net;
2966
2967 /* Blow away current list of scan results */
2968 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2969 list_move_tail (&loop_net->list, &ai->network_free_list);
2970 /* Don't blow away ->list, just BSS data */
2971 memset (loop_net, 0, sizeof (loop_net->bss));
2972 }
2973
2974 /* Try to read the first entry of the scan result */
2975 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2976 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2977 /* No scan results */
2978 goto out;
2979 }
2980
2981 /* Read and parse all entries */
2982 tmp_net = NULL;
2983 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2984 /* Grab a network off the free list */
2985 if (!list_empty(&ai->network_free_list)) {
2986 tmp_net = list_entry(ai->network_free_list.next,
2987 BSSListElement, list);
2988 list_del(ai->network_free_list.next);
2989 }
2990
2991 if (tmp_net != NULL) {
2992 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
2993 list_add_tail(&tmp_net->list, &ai->network_list);
2994 tmp_net = NULL;
2995 }
2996
2997 /* Read next entry */
2998 rc = PC4500_readrid(ai, ai->bssListNext,
2999 &bss, ai->bssListRidLen, 0);
3000 }
3001
3002 out:
3003 ai->scan_timeout = 0;
3004 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3005 up(&ai->sem);
3006
3007 /* Send an empty event to user space.
3008 * We don't send the received data on
3009 * the event because it would require
3010 * us to do complex transcoding, and
3011 * we want to minimise the work done in
3012 * the irq handler. Use a request to
3013 * extract the data - Jean II */
3014 wrqu.data.length = 0;
3015 wrqu.data.flags = 0;
3016 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3017 }
3018
3019 static int airo_thread(void *data) {
3020 struct net_device *dev = data;
3021 struct airo_info *ai = dev->priv;
3022 int locked;
3023
3024 set_freezable();
3025 while(1) {
3026 /* make swsusp happy with our thread */
3027 try_to_freeze();
3028
3029 if (test_bit(JOB_DIE, &ai->jobs))
3030 break;
3031
3032 if (ai->jobs) {
3033 locked = down_interruptible(&ai->sem);
3034 } else {
3035 wait_queue_t wait;
3036
3037 init_waitqueue_entry(&wait, current);
3038 add_wait_queue(&ai->thr_wait, &wait);
3039 for (;;) {
3040 set_current_state(TASK_INTERRUPTIBLE);
3041 if (ai->jobs)
3042 break;
3043 if (ai->expires || ai->scan_timeout) {
3044 if (ai->scan_timeout &&
3045 time_after_eq(jiffies,ai->scan_timeout)){
3046 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3047 break;
3048 } else if (ai->expires &&
3049 time_after_eq(jiffies,ai->expires)){
3050 set_bit(JOB_AUTOWEP, &ai->jobs);
3051 break;
3052 }
3053 if (!kthread_should_stop() &&
3054 !freezing(current)) {
3055 unsigned long wake_at;
3056 if (!ai->expires || !ai->scan_timeout) {
3057 wake_at = max(ai->expires,
3058 ai->scan_timeout);
3059 } else {
3060 wake_at = min(ai->expires,
3061 ai->scan_timeout);
3062 }
3063 schedule_timeout(wake_at - jiffies);
3064 continue;
3065 }
3066 } else if (!kthread_should_stop() &&
3067 !freezing(current)) {
3068 schedule();
3069 continue;
3070 }
3071 break;
3072 }
3073 current->state = TASK_RUNNING;
3074 remove_wait_queue(&ai->thr_wait, &wait);
3075 locked = 1;
3076 }
3077
3078 if (locked)
3079 continue;
3080
3081 if (test_bit(JOB_DIE, &ai->jobs)) {
3082 up(&ai->sem);
3083 break;
3084 }
3085
3086 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3087 up(&ai->sem);
3088 continue;
3089 }
3090
3091 if (test_bit(JOB_XMIT, &ai->jobs))
3092 airo_end_xmit(dev);
3093 else if (test_bit(JOB_XMIT11, &ai->jobs))
3094 airo_end_xmit11(dev);
3095 else if (test_bit(JOB_STATS, &ai->jobs))
3096 airo_read_stats(ai);
3097 else if (test_bit(JOB_WSTATS, &ai->jobs))
3098 airo_read_wireless_stats(ai);
3099 else if (test_bit(JOB_PROMISC, &ai->jobs))
3100 airo_set_promisc(ai);
3101 else if (test_bit(JOB_MIC, &ai->jobs))
3102 micinit(ai);
3103 else if (test_bit(JOB_EVENT, &ai->jobs))
3104 airo_send_event(dev);
3105 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3106 timer_func(dev);
3107 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3108 airo_process_scan_results(ai);
3109 else /* Shouldn't get here, but we make sure to unlock */
3110 up(&ai->sem);
3111 }
3112
3113 return 0;
3114 }
3115
3116 static int header_len(__le16 ctl)
3117 {
3118 u16 fc = le16_to_cpu(ctl);
3119 switch (fc & 0xc) {
3120 case 4:
3121 if ((fc & 0xe0) == 0xc0)
3122 return 10; /* one-address control packet */
3123 return 16; /* two-address control packet */
3124 case 8:
3125 if ((fc & 0x300) == 0x300)
3126 return 30; /* WDS packet */
3127 }
3128 return 24;
3129 }
3130
3131 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3132 {
3133 struct net_device *dev = dev_id;
3134 u16 status;
3135 u16 fid;
3136 struct airo_info *apriv = dev->priv;
3137 u16 savedInterrupts = 0;
3138 int handled = 0;
3139
3140 if (!netif_device_present(dev))
3141 return IRQ_NONE;
3142
3143 for (;;) {
3144 status = IN4500( apriv, EVSTAT );
3145 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3146
3147 handled = 1;
3148
3149 if ( status & EV_AWAKE ) {
3150 OUT4500( apriv, EVACK, EV_AWAKE );
3151 OUT4500( apriv, EVACK, EV_AWAKE );
3152 }
3153
3154 if (!savedInterrupts) {
3155 savedInterrupts = IN4500( apriv, EVINTEN );
3156 OUT4500( apriv, EVINTEN, 0 );
3157 }
3158
3159 if ( status & EV_MIC ) {
3160 OUT4500( apriv, EVACK, EV_MIC );
3161 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3162 set_bit(JOB_MIC, &apriv->jobs);
3163 wake_up_interruptible(&apriv->thr_wait);
3164 }
3165 }
3166 if ( status & EV_LINK ) {
3167 union iwreq_data wrqu;
3168 int scan_forceloss = 0;
3169 /* The link status has changed, if you want to put a
3170 monitor hook in, do it here. (Remember that
3171 interrupts are still disabled!)
3172 */
3173 u16 newStatus = IN4500(apriv, LINKSTAT);
3174 OUT4500( apriv, EVACK, EV_LINK);
3175 /* Here is what newStatus means: */
3176 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3177 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3178 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3179 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3180 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3181 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3182 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3183 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3184 code) */
3185 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3186 code) */
3187 #define ASSOCIATED 0x0400 /* Associated */
3188 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3189 #define RC_RESERVED 0 /* Reserved return code */
3190 #define RC_NOREASON 1 /* Unspecified reason */
3191 #define RC_AUTHINV 2 /* Previous authentication invalid */
3192 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3193 leaving */
3194 #define RC_NOACT 4 /* Disassociated due to inactivity */
3195 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3196 all currently associated stations */
3197 #define RC_BADCLASS2 6 /* Class 2 frame received from
3198 non-Authenticated station */
3199 #define RC_BADCLASS3 7 /* Class 3 frame received from
3200 non-Associated station */
3201 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3202 leaving BSS */
3203 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3204 Authenticated with the responding station */
3205 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3206 scan_forceloss = 1;
3207 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3208 if (auto_wep)
3209 apriv->expires = 0;
3210 if (apriv->list_bss_task)
3211 wake_up_process(apriv->list_bss_task);
3212 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3213 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3214
3215 if (down_trylock(&apriv->sem) != 0) {
3216 set_bit(JOB_EVENT, &apriv->jobs);
3217 wake_up_interruptible(&apriv->thr_wait);
3218 } else
3219 airo_send_event(dev);
3220 } else if (!scan_forceloss) {
3221 if (auto_wep && !apriv->expires) {
3222 apriv->expires = RUN_AT(3*HZ);
3223 wake_up_interruptible(&apriv->thr_wait);
3224 }
3225
3226 /* Send event to user space */
3227 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3228 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3229 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3230 }
3231 }
3232
3233 /* Check to see if there is something to receive */
3234 if ( status & EV_RX ) {
3235 struct sk_buff *skb = NULL;
3236 __le16 fc, v;
3237 u16 len, hdrlen = 0;
3238 #pragma pack(1)
3239 struct {
3240 __le16 status, len;
3241 u8 rssi[2];
3242 u8 rate;
3243 u8 freq;
3244 __le16 tmp[4];
3245 } hdr;
3246 #pragma pack()
3247 u16 gap;
3248 __le16 tmpbuf[4];
3249 __le16 *buffer;
3250
3251 if (test_bit(FLAG_MPI,&apriv->flags)) {
3252 if (test_bit(FLAG_802_11, &apriv->flags))
3253 mpi_receive_802_11(apriv);
3254 else
3255 mpi_receive_802_3(apriv);
3256 OUT4500(apriv, EVACK, EV_RX);
3257 goto exitrx;
3258 }
3259
3260 fid = IN4500( apriv, RXFID );
3261
3262 /* Get the packet length */
3263 if (test_bit(FLAG_802_11, &apriv->flags)) {
3264 bap_setup (apriv, fid, 4, BAP0);
3265 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3266 /* Bad CRC. Ignore packet */
3267 if (le16_to_cpu(hdr.status) & 2)
3268 hdr.len = 0;
3269 if (apriv->wifidev == NULL)
3270 hdr.len = 0;
3271 } else {
3272 bap_setup (apriv, fid, 0x36, BAP0);
3273 bap_read (apriv, &hdr.len, 2, BAP0);
3274 }
3275 len = le16_to_cpu(hdr.len);
3276
3277 if (len > AIRO_DEF_MTU) {
3278 airo_print_err(apriv->dev->name, "Bad size %d", len);
3279 goto badrx;
3280 }
3281 if (len == 0)
3282 goto badrx;
3283
3284 if (test_bit(FLAG_802_11, &apriv->flags)) {
3285 bap_read (apriv, &fc, sizeof(fc), BAP0);
3286 hdrlen = header_len(fc);
3287 } else
3288 hdrlen = ETH_ALEN * 2;
3289
3290 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3291 if ( !skb ) {
3292 apriv->stats.rx_dropped++;
3293 goto badrx;
3294 }
3295 skb_reserve(skb, 2); /* This way the IP header is aligned */
3296 buffer = (__le16*)skb_put (skb, len + hdrlen);
3297 if (test_bit(FLAG_802_11, &apriv->flags)) {
3298 buffer[0] = fc;
3299 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3300 if (hdrlen == 24)
3301 bap_read (apriv, tmpbuf, 6, BAP0);
3302
3303 bap_read (apriv, &v, sizeof(v), BAP0);
3304 gap = le16_to_cpu(v);
3305 if (gap) {
3306 if (gap <= 8) {
3307 bap_read (apriv, tmpbuf, gap, BAP0);
3308 } else {
3309 airo_print_err(apriv->dev->name, "gaplen too "
3310 "big. Problems will follow...");
3311 }
3312 }
3313 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3314 } else {
3315 MICBuffer micbuf;
3316 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3317 if (apriv->micstats.enabled) {
3318 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3319 if (ntohs(micbuf.typelen) > 0x05DC)
3320 bap_setup (apriv, fid, 0x44, BAP0);
3321 else {
3322 if (len <= sizeof(micbuf))
3323 goto badmic;
3324
3325 len -= sizeof(micbuf);
3326 skb_trim (skb, len + hdrlen);
3327 }
3328 }
3329 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3330 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3331 badmic:
3332 dev_kfree_skb_irq (skb);
3333 badrx:
3334 OUT4500( apriv, EVACK, EV_RX);
3335 goto exitrx;
3336 }
3337 }
3338 #ifdef WIRELESS_SPY
3339 if (apriv->spy_data.spy_number > 0) {
3340 char *sa;
3341 struct iw_quality wstats;
3342 /* Prepare spy data : addr + qual */
3343 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3344 sa = (char*)buffer + 6;
3345 bap_setup (apriv, fid, 8, BAP0);
3346 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3347 } else
3348 sa = (char*)buffer + 10;
3349 wstats.qual = hdr.rssi[0];
3350 if (apriv->rssi)
3351 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3352 else
3353 wstats.level = (hdr.rssi[1] + 321) / 2;
3354 wstats.noise = apriv->wstats.qual.noise;
3355 wstats.updated = IW_QUAL_LEVEL_UPDATED
3356 | IW_QUAL_QUAL_UPDATED
3357 | IW_QUAL_DBM;
3358 /* Update spy records */
3359 wireless_spy_update(dev, sa, &wstats);
3360 }
3361 #endif /* WIRELESS_SPY */
3362 OUT4500( apriv, EVACK, EV_RX);
3363
3364 if (test_bit(FLAG_802_11, &apriv->flags)) {
3365 skb_reset_mac_header(skb);
3366 skb->pkt_type = PACKET_OTHERHOST;
3367 skb->dev = apriv->wifidev;
3368 skb->protocol = htons(ETH_P_802_2);
3369 } else
3370 skb->protocol = eth_type_trans(skb,dev);
3371 skb->dev->last_rx = jiffies;
3372 skb->ip_summed = CHECKSUM_NONE;
3373
3374 netif_rx( skb );
3375 }
3376 exitrx:
3377
3378 /* Check to see if a packet has been transmitted */
3379 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3380 int i;
3381 int len = 0;
3382 int index = -1;
3383
3384 if (test_bit(FLAG_MPI,&apriv->flags)) {
3385 unsigned long flags;
3386
3387 if (status & EV_TXEXC)
3388 get_tx_error(apriv, -1);
3389 spin_lock_irqsave(&apriv->aux_lock, flags);
3390 if (!skb_queue_empty(&apriv->txq)) {
3391 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3392 mpi_send_packet (dev);
3393 } else {
3394 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3395 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3396 netif_wake_queue (dev);
3397 }
3398 OUT4500( apriv, EVACK,
3399 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3400 goto exittx;
3401 }
3402
3403 fid = IN4500(apriv, TXCOMPLFID);
3404
3405 for( i = 0; i < MAX_FIDS; i++ ) {
3406 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3407 len = apriv->fids[i] >> 16;
3408 index = i;
3409 }
3410 }
3411 if (index != -1) {
3412 if (status & EV_TXEXC)
3413 get_tx_error(apriv, index);
3414 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3415 /* Set up to be used again */
3416 apriv->fids[index] &= 0xffff;
3417 if (index < MAX_FIDS / 2) {
3418 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3419 netif_wake_queue(dev);
3420 } else {
3421 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3422 netif_wake_queue(apriv->wifidev);
3423 }
3424 } else {
3425 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3426 airo_print_err(apriv->dev->name, "Unallocated FID was "
3427 "used to xmit" );
3428 }
3429 }
3430 exittx:
3431 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3432 airo_print_warn(apriv->dev->name, "Got weird status %x",
3433 status & ~STATUS_INTS & ~IGNORE_INTS );
3434 }
3435
3436 if (savedInterrupts)
3437 OUT4500( apriv, EVINTEN, savedInterrupts );
3438
3439 /* done.. */
3440 return IRQ_RETVAL(handled);
3441 }
3442
3443 /*
3444 * Routines to talk to the card
3445 */
3446
3447 /*
3448 * This was originally written for the 4500, hence the name
3449 * NOTE: If use with 8bit mode and SMP bad things will happen!
3450 * Why would some one do 8 bit IO in an SMP machine?!?
3451 */
3452 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3453 if (test_bit(FLAG_MPI,&ai->flags))
3454 reg <<= 1;
3455 if ( !do8bitIO )
3456 outw( val, ai->dev->base_addr + reg );
3457 else {
3458 outb( val & 0xff, ai->dev->base_addr + reg );
3459 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3460 }
3461 }
3462
3463 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3464 unsigned short rc;
3465
3466 if (test_bit(FLAG_MPI,&ai->flags))
3467 reg <<= 1;
3468 if ( !do8bitIO )
3469 rc = inw( ai->dev->base_addr + reg );
3470 else {
3471 rc = inb( ai->dev->base_addr + reg );
3472 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3473 }
3474 return rc;
3475 }
3476
3477 static int enable_MAC(struct airo_info *ai, int lock)
3478 {
3479 int rc;
3480 Cmd cmd;
3481 Resp rsp;
3482
3483 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3484 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3485 * Note : we could try to use !netif_running(dev) in enable_MAC()
3486 * instead of this flag, but I don't trust it *within* the
3487 * open/close functions, and testing both flags together is
3488 * "cheaper" - Jean II */
3489 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3490
3491 if (lock && down_interruptible(&ai->sem))
3492 return -ERESTARTSYS;
3493
3494 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3495 memset(&cmd, 0, sizeof(cmd));
3496 cmd.cmd = MAC_ENABLE;
3497 rc = issuecommand(ai, &cmd, &rsp);
3498 if (rc == SUCCESS)
3499 set_bit(FLAG_ENABLED, &ai->flags);
3500 } else
3501 rc = SUCCESS;
3502
3503 if (lock)
3504 up(&ai->sem);
3505
3506 if (rc)
3507 airo_print_err(ai->dev->name, "Cannot enable MAC");
3508 else if ((rsp.status & 0xFF00) != 0) {
3509 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3510 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3511 rc = ERROR;
3512 }
3513 return rc;
3514 }
3515
3516 static void disable_MAC( struct airo_info *ai, int lock ) {
3517 Cmd cmd;
3518 Resp rsp;
3519
3520 if (lock && down_interruptible(&ai->sem))
3521 return;
3522
3523 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3524 memset(&cmd, 0, sizeof(cmd));
3525 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3526 issuecommand(ai, &cmd, &rsp);
3527 clear_bit(FLAG_ENABLED, &ai->flags);
3528 }
3529 if (lock)
3530 up(&ai->sem);
3531 }
3532
3533 static void enable_interrupts( struct airo_info *ai ) {
3534 /* Enable the interrupts */
3535 OUT4500( ai, EVINTEN, STATUS_INTS );
3536 }
3537
3538 static void disable_interrupts( struct airo_info *ai ) {
3539 OUT4500( ai, EVINTEN, 0 );
3540 }
3541
3542 static void mpi_receive_802_3(struct airo_info *ai)
3543 {
3544 RxFid rxd;
3545 int len = 0;
3546 struct sk_buff *skb;
3547 char *buffer;
3548 int off = 0;
3549 MICBuffer micbuf;
3550
3551 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3552 /* Make sure we got something */
3553 if (rxd.rdy && rxd.valid == 0) {
3554 len = rxd.len + 12;
3555 if (len < 12 || len > 2048)
3556 goto badrx;
3557
3558 skb = dev_alloc_skb(len);
3559 if (!skb) {
3560 ai->stats.rx_dropped++;
3561 goto badrx;
3562 }
3563 buffer = skb_put(skb,len);
3564 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3565 if (ai->micstats.enabled) {
3566 memcpy(&micbuf,
3567 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3568 sizeof(micbuf));
3569 if (ntohs(micbuf.typelen) <= 0x05DC) {
3570 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3571 goto badmic;
3572
3573 off = sizeof(micbuf);
3574 skb_trim (skb, len - off);
3575 }
3576 }
3577 memcpy(buffer + ETH_ALEN * 2,
3578 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3579 len - ETH_ALEN * 2 - off);
3580 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3581 badmic:
3582 dev_kfree_skb_irq (skb);
3583 goto badrx;
3584 }
3585 #ifdef WIRELESS_SPY
3586 if (ai->spy_data.spy_number > 0) {
3587 char *sa;
3588 struct iw_quality wstats;
3589 /* Prepare spy data : addr + qual */
3590 sa = buffer + ETH_ALEN;
3591 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3592 wstats.level = 0;
3593 wstats.updated = 0;
3594 /* Update spy records */
3595 wireless_spy_update(ai->dev, sa, &wstats);
3596 }
3597 #endif /* WIRELESS_SPY */
3598
3599 skb->ip_summed = CHECKSUM_NONE;
3600 skb->protocol = eth_type_trans(skb, ai->dev);
3601 skb->dev->last_rx = jiffies;
3602 netif_rx(skb);
3603 }
3604 badrx:
3605 if (rxd.valid == 0) {
3606 rxd.valid = 1;
3607 rxd.rdy = 0;
3608 rxd.len = PKTSIZE;
3609 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3610 }
3611 }
3612
3613 void mpi_receive_802_11 (struct airo_info *ai)
3614 {
3615 RxFid rxd;
3616 struct sk_buff *skb = NULL;
3617 u16 len, hdrlen = 0;
3618 __le16 fc;
3619 #pragma pack(1)
3620 struct {
3621 __le16 status, len;
3622 u8 rssi[2];
3623 u8 rate;
3624 u8 freq;
3625 __le16 tmp[4];
3626 } hdr;
3627 #pragma pack()
3628 u16 gap;
3629 u16 *buffer;
3630 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3631
3632 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3633 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3634 ptr += sizeof(hdr);
3635 /* Bad CRC. Ignore packet */
3636 if (le16_to_cpu(hdr.status) & 2)
3637 hdr.len = 0;
3638 if (ai->wifidev == NULL)
3639 hdr.len = 0;
3640 len = le16_to_cpu(hdr.len);
3641 if (len > AIRO_DEF_MTU) {
3642 airo_print_err(ai->dev->name, "Bad size %d", len);
3643 goto badrx;
3644 }
3645 if (len == 0)
3646 goto badrx;
3647
3648 fc = get_unaligned((__le16 *)ptr);
3649 hdrlen = header_len(fc);
3650
3651 skb = dev_alloc_skb( len + hdrlen + 2 );
3652 if ( !skb ) {
3653 ai->stats.rx_dropped++;
3654 goto badrx;
3655 }
3656 buffer = (u16*)skb_put (skb, len + hdrlen);
3657 memcpy ((char *)buffer, ptr, hdrlen);
3658 ptr += hdrlen;
3659 if (hdrlen == 24)
3660 ptr += 6;
3661 gap = get_unaligned_le16(ptr);
3662 ptr += sizeof(__le16);
3663 if (gap) {
3664 if (gap <= 8)
3665 ptr += gap;
3666 else
3667 airo_print_err(ai->dev->name,
3668 "gaplen too big. Problems will follow...");
3669 }
3670 memcpy ((char *)buffer + hdrlen, ptr, len);
3671 ptr += len;
3672 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3673 if (ai->spy_data.spy_number > 0) {
3674 char *sa;
3675 struct iw_quality wstats;
3676 /* Prepare spy data : addr + qual */
3677 sa = (char*)buffer + 10;
3678 wstats.qual = hdr.rssi[0];
3679 if (ai->rssi)
3680 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3681 else
3682 wstats.level = (hdr.rssi[1] + 321) / 2;
3683 wstats.noise = ai->wstats.qual.noise;
3684 wstats.updated = IW_QUAL_QUAL_UPDATED
3685 | IW_QUAL_LEVEL_UPDATED
3686 | IW_QUAL_DBM;
3687 /* Update spy records */
3688 wireless_spy_update(ai->dev, sa, &wstats);
3689 }
3690 #endif /* IW_WIRELESS_SPY */
3691 skb_reset_mac_header(skb);
3692 skb->pkt_type = PACKET_OTHERHOST;
3693 skb->dev = ai->wifidev;
3694 skb->protocol = htons(ETH_P_802_2);
3695 skb->dev->last_rx = jiffies;
3696 skb->ip_summed = CHECKSUM_NONE;
3697 netif_rx( skb );
3698 badrx:
3699 if (rxd.valid == 0) {
3700 rxd.valid = 1;
3701 rxd.rdy = 0;
3702 rxd.len = PKTSIZE;
3703 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3704 }
3705 }
3706
3707 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3708 {
3709 Cmd cmd;
3710 Resp rsp;
3711 int status;
3712 int i;
3713 SsidRid mySsid;
3714 __le16 lastindex;
3715 WepKeyRid wkr;
3716 int rc;
3717
3718 memset( &mySsid, 0, sizeof( mySsid ) );
3719 kfree (ai->flash);
3720 ai->flash = NULL;
3721
3722 /* The NOP is the first step in getting the card going */
3723 cmd.cmd = NOP;
3724 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3725 if (lock && down_interruptible(&ai->sem))
3726 return ERROR;
3727 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3728 if (lock)
3729 up(&ai->sem);
3730 return ERROR;
3731 }
3732 disable_MAC( ai, 0);
3733
3734 // Let's figure out if we need to use the AUX port
3735 if (!test_bit(FLAG_MPI,&ai->flags)) {
3736 cmd.cmd = CMD_ENABLEAUX;
3737 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3738 if (lock)
3739 up(&ai->sem);
3740 airo_print_err(ai->dev->name, "Error checking for AUX port");
3741 return ERROR;
3742 }
3743 if (!aux_bap || rsp.status & 0xff00) {
3744 ai->bap_read = fast_bap_read;
3745 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3746 } else {
3747 ai->bap_read = aux_bap_read;
3748 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3749 }
3750 }
3751 if (lock)
3752 up(&ai->sem);
3753 if (ai->config.len == 0) {
3754 tdsRssiRid rssi_rid;
3755 CapabilityRid cap_rid;
3756
3757 kfree(ai->APList);
3758 ai->APList = NULL;
3759 kfree(ai->SSID);
3760 ai->SSID = NULL;
3761 // general configuration (read/modify/write)
3762 status = readConfigRid(ai, lock);
3763 if ( status != SUCCESS ) return ERROR;
3764
3765 status = readCapabilityRid(ai, &cap_rid, lock);
3766 if ( status != SUCCESS ) return ERROR;
3767
3768 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3769 if ( status == SUCCESS ) {
3770 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3771 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3772 }
3773 else {
3774 kfree(ai->rssi);
3775 ai->rssi = NULL;
3776 if (cap_rid.softCap & cpu_to_le16(8))
3777 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3778 else
3779 airo_print_warn(ai->dev->name, "unknown received signal "
3780 "level scale");
3781 }
3782 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3783 ai->config.authType = AUTH_OPEN;
3784 ai->config.modulation = MOD_CCK;
3785
3786 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3787 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3788 micsetup(ai) == SUCCESS) {
3789 ai->config.opmode |= MODE_MIC;
3790 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3791 }
3792
3793 /* Save off the MAC */
3794 for( i = 0; i < ETH_ALEN; i++ ) {
3795 mac[i] = ai->config.macAddr[i];
3796 }
3797
3798 /* Check to see if there are any insmod configured
3799 rates to add */
3800 if ( rates[0] ) {
3801 int i = 0;
3802 memset(ai->config.rates,0,sizeof(ai->config.rates));
3803 for( i = 0; i < 8 && rates[i]; i++ ) {
3804 ai->config.rates[i] = rates[i];
3805 }
3806 }
3807 if ( basic_rate > 0 ) {
3808 int i;
3809 for( i = 0; i < 8; i++ ) {
3810 if ( ai->config.rates[i] == basic_rate ||
3811 !ai->config.rates ) {
3812 ai->config.rates[i] = basic_rate | 0x80;
3813 break;
3814 }
3815 }
3816 }
3817 set_bit (FLAG_COMMIT, &ai->flags);
3818 }
3819
3820 /* Setup the SSIDs if present */
3821 if ( ssids[0] ) {
3822 int i;
3823 for( i = 0; i < 3 && ssids[i]; i++ ) {
3824 size_t len = strlen(ssids[i]);
3825 if (len > 32)
3826 len = 32;
3827 mySsid.ssids[i].len = cpu_to_le16(len);
3828 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3829 }
3830 mySsid.len = cpu_to_le16(sizeof(mySsid));
3831 }
3832
3833 status = writeConfigRid(ai, lock);
3834 if ( status != SUCCESS ) return ERROR;
3835
3836 /* Set up the SSID list */
3837 if ( ssids[0] ) {
3838 status = writeSsidRid(ai, &mySsid, lock);
3839 if ( status != SUCCESS ) return ERROR;
3840 }
3841
3842 status = enable_MAC(ai, lock);
3843 if (status != SUCCESS)
3844 return ERROR;
3845
3846 /* Grab the initial wep key, we gotta save it for auto_wep */
3847 rc = readWepKeyRid(ai, &wkr, 1, lock);
3848 if (rc == SUCCESS) do {
3849 lastindex = wkr.kindex;
3850 if (wkr.kindex == cpu_to_le16(0xffff)) {
3851 ai->defindex = wkr.mac[0];
3852 }
3853 rc = readWepKeyRid(ai, &wkr, 0, lock);
3854 } while(lastindex != wkr.kindex);
3855
3856 try_auto_wep(ai);
3857
3858 return SUCCESS;
3859 }
3860
3861 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3862 // Im really paranoid about letting it run forever!
3863 int max_tries = 600000;
3864
3865 if (IN4500(ai, EVSTAT) & EV_CMD)
3866 OUT4500(ai, EVACK, EV_CMD);
3867
3868 OUT4500(ai, PARAM0, pCmd->parm0);
3869 OUT4500(ai, PARAM1, pCmd->parm1);
3870 OUT4500(ai, PARAM2, pCmd->parm2);
3871 OUT4500(ai, COMMAND, pCmd->cmd);
3872
3873 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3874 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3875 // PC4500 didn't notice command, try again
3876 OUT4500(ai, COMMAND, pCmd->cmd);
3877 if (!in_atomic() && (max_tries & 255) == 0)
3878 schedule();
3879 }
3880
3881 if ( max_tries == -1 ) {
3882 airo_print_err(ai->dev->name,
3883 "Max tries exceeded when issueing command");
3884 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3885 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3886 return ERROR;
3887 }
3888
3889 // command completed
3890 pRsp->status = IN4500(ai, STATUS);
3891 pRsp->rsp0 = IN4500(ai, RESP0);
3892 pRsp->rsp1 = IN4500(ai, RESP1);
3893 pRsp->rsp2 = IN4500(ai, RESP2);
3894 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3895 airo_print_err(ai->dev->name,
3896 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3897 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3898 pRsp->rsp2);
3899
3900 // clear stuck command busy if necessary
3901 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3902 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3903 }
3904 // acknowledge processing the status/response
3905 OUT4500(ai, EVACK, EV_CMD);
3906
3907 return SUCCESS;
3908 }
3909
3910 /* Sets up the bap to start exchange data. whichbap should
3911 * be one of the BAP0 or BAP1 defines. Locks should be held before
3912 * calling! */
3913 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3914 {
3915 int timeout = 50;
3916 int max_tries = 3;
3917
3918 OUT4500(ai, SELECT0+whichbap, rid);
3919 OUT4500(ai, OFFSET0+whichbap, offset);
3920 while (1) {
3921 int status = IN4500(ai, OFFSET0+whichbap);
3922 if (status & BAP_BUSY) {
3923 /* This isn't really a timeout, but its kinda
3924 close */
3925 if (timeout--) {
3926 continue;
3927 }
3928 } else if ( status & BAP_ERR ) {
3929 /* invalid rid or offset */
3930 airo_print_err(ai->dev->name, "BAP error %x %d",
3931 status, whichbap );
3932 return ERROR;
3933 } else if (status & BAP_DONE) { // success
3934 return SUCCESS;
3935 }
3936 if ( !(max_tries--) ) {
3937 airo_print_err(ai->dev->name,
3938 "BAP setup error too many retries\n");
3939 return ERROR;
3940 }
3941 // -- PC4500 missed it, try again
3942 OUT4500(ai, SELECT0+whichbap, rid);
3943 OUT4500(ai, OFFSET0+whichbap, offset);
3944 timeout = 50;
3945 }
3946 }
3947
3948 /* should only be called by aux_bap_read. This aux function and the
3949 following use concepts not documented in the developers guide. I
3950 got them from a patch given to my by Aironet */
3951 static u16 aux_setup(struct airo_info *ai, u16 page,
3952 u16 offset, u16 *len)
3953 {
3954 u16 next;
3955
3956 OUT4500(ai, AUXPAGE, page);
3957 OUT4500(ai, AUXOFF, 0);
3958 next = IN4500(ai, AUXDATA);
3959 *len = IN4500(ai, AUXDATA)&0xff;
3960 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3961 return next;
3962 }
3963
3964 /* requires call to bap_setup() first */
3965 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3966 int bytelen, int whichbap)
3967 {
3968 u16 len;
3969 u16 page;
3970 u16 offset;
3971 u16 next;
3972 int words;
3973 int i;
3974 unsigned long flags;
3975
3976 spin_lock_irqsave(&ai->aux_lock, flags);
3977 page = IN4500(ai, SWS0+whichbap);
3978 offset = IN4500(ai, SWS2+whichbap);
3979 next = aux_setup(ai, page, offset, &len);
3980 words = (bytelen+1)>>1;
3981
3982 for (i=0; i<words;) {
3983 int count;
3984 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3985 if ( !do8bitIO )
3986 insw( ai->dev->base_addr+DATA0+whichbap,
3987 pu16Dst+i,count );
3988 else
3989 insb( ai->dev->base_addr+DATA0+whichbap,
3990 pu16Dst+i, count << 1 );
3991 i += count;
3992 if (i<words) {
3993 next = aux_setup(ai, next, 4, &len);
3994 }
3995 }
3996 spin_unlock_irqrestore(&ai->aux_lock, flags);
3997 return SUCCESS;
3998 }
3999
4000
4001 /* requires call to bap_setup() first */
4002 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4003 int bytelen, int whichbap)
4004 {
4005 bytelen = (bytelen + 1) & (~1); // round up to even value
4006 if ( !do8bitIO )
4007 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4008 else
4009 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4010 return SUCCESS;
4011 }
4012
4013 /* requires call to bap_setup() first */
4014 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4015 int bytelen, int whichbap)
4016 {
4017 bytelen = (bytelen + 1) & (~1); // round up to even value
4018 if ( !do8bitIO )
4019 outsw( ai->dev->base_addr+DATA0+whichbap,
4020 pu16Src, bytelen>>1 );
4021 else
4022 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4023 return SUCCESS;
4024 }
4025
4026 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4027 {
4028 Cmd cmd; /* for issuing commands */
4029 Resp rsp; /* response from commands */
4030 u16 status;
4031
4032 memset(&cmd, 0, sizeof(cmd));
4033 cmd.cmd = accmd;
4034 cmd.parm0 = rid;
4035 status = issuecommand(ai, &cmd, &rsp);
4036 if (status != 0) return status;
4037 if ( (rsp.status & 0x7F00) != 0) {
4038 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4039 }
4040 return 0;
4041 }
4042
4043 /* Note, that we are using BAP1 which is also used by transmit, so
4044 * we must get a lock. */
4045 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4046 {
4047 u16 status;
4048 int rc = SUCCESS;
4049
4050 if (lock) {
4051 if (down_interruptible(&ai->sem))
4052 return ERROR;
4053 }
4054 if (test_bit(FLAG_MPI,&ai->flags)) {
4055 Cmd cmd;
4056 Resp rsp;
4057
4058 memset(&cmd, 0, sizeof(cmd));
4059 memset(&rsp, 0, sizeof(rsp));
4060 ai->config_desc.rid_desc.valid = 1;
4061 ai->config_desc.rid_desc.len = RIDSIZE;
4062 ai->config_desc.rid_desc.rid = 0;
4063 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4064
4065 cmd.cmd = CMD_ACCESS;
4066 cmd.parm0 = rid;
4067
4068 memcpy_toio(ai->config_desc.card_ram_off,
4069 &ai->config_desc.rid_desc, sizeof(Rid));
4070
4071 rc = issuecommand(ai, &cmd, &rsp);
4072
4073 if (rsp.status & 0x7f00)
4074 rc = rsp.rsp0;
4075 if (!rc)
4076 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4077 goto done;
4078 } else {
4079 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4080 rc = status;
4081 goto done;
4082 }
4083 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4084 rc = ERROR;
4085 goto done;
4086 }
4087 // read the rid length field
4088 bap_read(ai, pBuf, 2, BAP1);
4089 // length for remaining part of rid
4090 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4091
4092 if ( len <= 2 ) {
4093 airo_print_err(ai->dev->name,
4094 "Rid %x has a length of %d which is too short",
4095 (int)rid, (int)len );
4096 rc = ERROR;
4097 goto done;
4098 }
4099 // read remainder of the rid
4100 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4101 }
4102 done:
4103 if (lock)
4104 up(&ai->sem);
4105 return rc;
4106 }
4107
4108 /* Note, that we are using BAP1 which is also used by transmit, so
4109 * make sure this isnt called when a transmit is happening */
4110 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4111 const void *pBuf, int len, int lock)
4112 {
4113 u16 status;
4114 int rc = SUCCESS;
4115
4116 *(__le16*)pBuf = cpu_to_le16((u16)len);
4117
4118 if (lock) {
4119 if (down_interruptible(&ai->sem))
4120 return ERROR;
4121 }
4122 if (test_bit(FLAG_MPI,&ai->flags)) {
4123 Cmd cmd;
4124 Resp rsp;
4125
4126 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4127 airo_print_err(ai->dev->name,
4128 "%s: MAC should be disabled (rid=%04x)",
4129 __FUNCTION__, rid);
4130 memset(&cmd, 0, sizeof(cmd));
4131 memset(&rsp, 0, sizeof(rsp));
4132
4133 ai->config_desc.rid_desc.valid = 1;
4134 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4135 ai->config_desc.rid_desc.rid = 0;
4136
4137 cmd.cmd = CMD_WRITERID;
4138 cmd.parm0 = rid;
4139
4140 memcpy_toio(ai->config_desc.card_ram_off,
4141 &ai->config_desc.rid_desc, sizeof(Rid));
4142
4143 if (len < 4 || len > 2047) {
4144 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4145 rc = -1;
4146 } else {
4147 memcpy((char *)ai->config_desc.virtual_host_addr,
4148 pBuf, len);
4149
4150 rc = issuecommand(ai, &cmd, &rsp);
4151 if ((rc & 0xff00) != 0) {
4152 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4153 __FUNCTION__, rc);
4154 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4155 __FUNCTION__, cmd.cmd);
4156 }
4157
4158 if ((rsp.status & 0x7f00))
4159 rc = rsp.rsp0;
4160 }
4161 } else {
4162 // --- first access so that we can write the rid data
4163 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4164 rc = status;
4165 goto done;
4166 }
4167 // --- now write the rid data
4168 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4169 rc = ERROR;
4170 goto done;
4171 }
4172 bap_write(ai, pBuf, len, BAP1);
4173 // ---now commit the rid data
4174 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4175 }
4176 done:
4177 if (lock)
4178 up(&ai->sem);
4179 return rc;
4180 }
4181
4182 /* Allocates a FID to be used for transmitting packets. We only use
4183 one for now. */
4184 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4185 {
4186 unsigned int loop = 3000;
4187 Cmd cmd;
4188 Resp rsp;
4189 u16 txFid;
4190 __le16 txControl;
4191
4192 cmd.cmd = CMD_ALLOCATETX;
4193 cmd.parm0 = lenPayload;
4194 if (down_interruptible(&ai->sem))
4195 return ERROR;
4196 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4197 txFid = ERROR;
4198 goto done;
4199 }
4200 if ( (rsp.status & 0xFF00) != 0) {
4201 txFid = ERROR;
4202 goto done;
4203 }
4204 /* wait for the allocate event/indication
4205 * It makes me kind of nervous that this can just sit here and spin,
4206 * but in practice it only loops like four times. */
4207 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4208 if (!loop) {
4209 txFid = ERROR;
4210 goto done;
4211 }
4212
4213 // get the allocated fid and acknowledge
4214 txFid = IN4500(ai, TXALLOCFID);
4215 OUT4500(ai, EVACK, EV_ALLOC);
4216
4217 /* The CARD is pretty cool since it converts the ethernet packet
4218 * into 802.11. Also note that we don't release the FID since we
4219 * will be using the same one over and over again. */
4220 /* We only have to setup the control once since we are not
4221 * releasing the fid. */
4222 if (raw)
4223 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4224 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4225 else
4226 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4227 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4228 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4229 txFid = ERROR;
4230 else
4231 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4232
4233 done:
4234 up(&ai->sem);
4235
4236 return txFid;
4237 }
4238
4239 /* In general BAP1 is dedicated to transmiting packets. However,
4240 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4241 Make sure the BAP1 spinlock is held when this is called. */
4242 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4243 {
4244 __le16 payloadLen;
4245 Cmd cmd;
4246 Resp rsp;
4247 int miclen = 0;
4248 u16 txFid = len;
4249 MICBuffer pMic;
4250
4251 len >>= 16;
4252
4253 if (len <= ETH_ALEN * 2) {
4254 airo_print_warn(ai->dev->name, "Short packet %d", len);
4255 return ERROR;
4256 }
4257 len -= ETH_ALEN * 2;
4258
4259 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4260 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4261 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4262 return ERROR;
4263 miclen = sizeof(pMic);
4264 }
4265 // packet is destination[6], source[6], payload[len-12]
4266 // write the payload length and dst/src/payload
4267 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4268 /* The hardware addresses aren't counted as part of the payload, so
4269 * we have to subtract the 12 bytes for the addresses off */
4270 payloadLen = cpu_to_le16(len + miclen);
4271 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4272 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4273 if (miclen)
4274 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4275 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4276 // issue the transmit command
4277 memset( &cmd, 0, sizeof( cmd ) );
4278 cmd.cmd = CMD_TRANSMIT;
4279 cmd.parm0 = txFid;
4280 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4281 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4282 return SUCCESS;
4283 }
4284
4285 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4286 {
4287 __le16 fc, payloadLen;
4288 Cmd cmd;
4289 Resp rsp;
4290 int hdrlen;
4291 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4292 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4293 u16 txFid = len;
4294 len >>= 16;
4295
4296 fc = *(__le16*)pPacket;
4297 hdrlen = header_len(fc);
4298
4299 if (len < hdrlen) {
4300 airo_print_warn(ai->dev->name, "Short packet %d", len);
4301 return ERROR;
4302 }
4303
4304 /* packet is 802.11 header + payload
4305 * write the payload length and dst/src/payload */
4306 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4307 /* The 802.11 header aren't counted as part of the payload, so
4308 * we have to subtract the header bytes off */
4309 payloadLen = cpu_to_le16(len-hdrlen);
4310 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4311 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4312 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4313 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4314
4315 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4316 // issue the transmit command
4317 memset( &cmd, 0, sizeof( cmd ) );
4318 cmd.cmd = CMD_TRANSMIT;
4319 cmd.parm0 = txFid;
4320 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4321 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4322 return SUCCESS;
4323 }
4324
4325 /*
4326 * This is the proc_fs routines. It is a bit messier than I would
4327 * like! Feel free to clean it up!
4328 */
4329
4330 static ssize_t proc_read( struct file *file,
4331 char __user *buffer,
4332 size_t len,
4333 loff_t *offset);
4334
4335 static ssize_t proc_write( struct file *file,
4336 const char __user *buffer,
4337 size_t len,
4338 loff_t *offset );
4339 static int proc_close( struct inode *inode, struct file *file );
4340
4341 static int proc_stats_open( struct inode *inode, struct file *file );
4342 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4343 static int proc_status_open( struct inode *inode, struct file *file );
4344 static int proc_SSID_open( struct inode *inode, struct file *file );
4345 static int proc_APList_open( struct inode *inode, struct file *file );
4346 static int proc_BSSList_open( struct inode *inode, struct file *file );
4347 static int proc_config_open( struct inode *inode, struct file *file );
4348 static int proc_wepkey_open( struct inode *inode, struct file *file );
4349
4350 static const struct file_operations proc_statsdelta_ops = {
4351 .owner = THIS_MODULE,
4352 .read = proc_read,
4353 .open = proc_statsdelta_open,
4354 .release = proc_close
4355 };
4356
4357 static const struct file_operations proc_stats_ops = {
4358 .owner = THIS_MODULE,
4359 .read = proc_read,
4360 .open = proc_stats_open,
4361 .release = proc_close
4362 };
4363
4364 static const struct file_operations proc_status_ops = {
4365 .owner = THIS_MODULE,
4366 .read = proc_read,
4367 .open = proc_status_open,
4368 .release = proc_close
4369 };
4370
4371 static const struct file_operations proc_SSID_ops = {
4372 .owner = THIS_MODULE,
4373 .read = proc_read,
4374 .write = proc_write,
4375 .open = proc_SSID_open,
4376 .release = proc_close
4377 };
4378
4379 static const struct file_operations proc_BSSList_ops = {
4380 .owner = THIS_MODULE,
4381 .read = proc_read,
4382 .write = proc_write,
4383 .open = proc_BSSList_open,
4384 .release = proc_close
4385 };
4386
4387 static const struct file_operations proc_APList_ops = {
4388 .owner = THIS_MODULE,
4389 .read = proc_read,
4390 .write = proc_write,
4391 .open = proc_APList_open,
4392 .release = proc_close
4393 };
4394
4395 static const struct file_operations proc_config_ops = {
4396 .owner = THIS_MODULE,
4397 .read = proc_read,
4398 .write = proc_write,
4399 .open = proc_config_open,
4400 .release = proc_close
4401 };
4402
4403 static const struct file_operations proc_wepkey_ops = {
4404 .owner = THIS_MODULE,
4405 .read = proc_read,
4406 .write = proc_write,
4407 .open = proc_wepkey_open,
4408 .release = proc_close
4409 };
4410
4411 static struct proc_dir_entry *airo_entry;
4412
4413 struct proc_data {
4414 int release_buffer;
4415 int readlen;
4416 char *rbuffer;
4417 int writelen;
4418 int maxwritelen;
4419 char *wbuffer;
4420 void (*on_close) (struct inode *, struct file *);
4421 };
4422
4423 static int setup_proc_entry( struct net_device *dev,
4424 struct airo_info *apriv ) {
4425 struct proc_dir_entry *entry;
4426 /* First setup the device directory */
4427 strcpy(apriv->proc_name,dev->name);
4428 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4429 S_IFDIR|airo_perm,
4430 airo_entry);
4431 if (!apriv->proc_entry)
4432 goto fail;
4433 apriv->proc_entry->uid = proc_uid;
4434 apriv->proc_entry->gid = proc_gid;
4435 apriv->proc_entry->owner = THIS_MODULE;
4436
4437 /* Setup the StatsDelta */
4438 entry = proc_create_data("StatsDelta",
4439 S_IFREG | (S_IRUGO&proc_perm),
4440 apriv->proc_entry, &proc_statsdelta_ops, dev);
4441 if (!entry)
4442 goto fail_stats_delta;
4443 entry->uid = proc_uid;
4444 entry->gid = proc_gid;
4445
4446 /* Setup the Stats */
4447 entry = proc_create_data("Stats",
4448 S_IFREG | (S_IRUGO&proc_perm),
4449 apriv->proc_entry, &proc_stats_ops, dev);
4450 if (!entry)
4451 goto fail_stats;
4452 entry->uid = proc_uid;
4453 entry->gid = proc_gid;
4454
4455 /* Setup the Status */
4456 entry = proc_create_data("Status",
4457 S_IFREG | (S_IRUGO&proc_perm),
4458 apriv->proc_entry, &proc_status_ops, dev);
4459 if (!entry)
4460 goto fail_status;
4461 entry->uid = proc_uid;
4462 entry->gid = proc_gid;
4463
4464 /* Setup the Config */
4465 entry = proc_create_data("Config",
4466 S_IFREG | proc_perm,
4467 apriv->proc_entry, &proc_config_ops, dev);
4468 if (!entry)
4469 goto fail_config;
4470 entry->uid = proc_uid;
4471 entry->gid = proc_gid;
4472
4473 /* Setup the SSID */
4474 entry = proc_create_data("SSID",
4475 S_IFREG | proc_perm,
4476 apriv->proc_entry, &proc_SSID_ops, dev);
4477 if (!entry)
4478 goto fail_ssid;
4479 entry->uid = proc_uid;
4480 entry->gid = proc_gid;
4481
4482 /* Setup the APList */
4483 entry = proc_create_data("APList",
4484 S_IFREG | proc_perm,
4485 apriv->proc_entry, &proc_APList_ops, dev);
4486 if (!entry)
4487 goto fail_aplist;
4488 entry->uid = proc_uid;
4489 entry->gid = proc_gid;
4490
4491 /* Setup the BSSList */
4492 entry = proc_create_data("BSSList",
4493 S_IFREG | proc_perm,
4494 apriv->proc_entry, &proc_BSSList_ops, dev);
4495 if (!entry)
4496 goto fail_bsslist;
4497 entry->uid = proc_uid;
4498 entry->gid = proc_gid;
4499
4500 /* Setup the WepKey */
4501 entry = proc_create_data("WepKey",
4502 S_IFREG | proc_perm,
4503 apriv->proc_entry, &proc_wepkey_ops, dev);
4504 if (!entry)
4505 goto fail_wepkey;
4506 entry->uid = proc_uid;
4507 entry->gid = proc_gid;
4508
4509 return 0;
4510
4511 fail_wepkey:
4512 remove_proc_entry("BSSList", apriv->proc_entry);
4513 fail_bsslist:
4514 remove_proc_entry("APList", apriv->proc_entry);
4515 fail_aplist:
4516 remove_proc_entry("SSID", apriv->proc_entry);
4517 fail_ssid:
4518 remove_proc_entry("Config", apriv->proc_entry);
4519 fail_config:
4520 remove_proc_entry("Status", apriv->proc_entry);
4521 fail_status:
4522 remove_proc_entry("Stats", apriv->proc_entry);
4523 fail_stats:
4524 remove_proc_entry("StatsDelta", apriv->proc_entry);
4525 fail_stats_delta:
4526 remove_proc_entry(apriv->proc_name, airo_entry);
4527 fail:
4528 return -ENOMEM;
4529 }
4530
4531 static int takedown_proc_entry( struct net_device *dev,
4532 struct airo_info *apriv ) {
4533 if ( !apriv->proc_entry->namelen ) return 0;
4534 remove_proc_entry("Stats",apriv->proc_entry);
4535 remove_proc_entry("StatsDelta",apriv->proc_entry);
4536 remove_proc_entry("Status",apriv->proc_entry);
4537 remove_proc_entry("Config",apriv->proc_entry);
4538 remove_proc_entry("SSID",apriv->proc_entry);
4539 remove_proc_entry("APList",apriv->proc_entry);
4540 remove_proc_entry("BSSList",apriv->proc_entry);
4541 remove_proc_entry("WepKey",apriv->proc_entry);
4542 remove_proc_entry(apriv->proc_name,airo_entry);
4543 return 0;
4544 }
4545
4546 /*
4547 * What we want from the proc_fs is to be able to efficiently read
4548 * and write the configuration. To do this, we want to read the
4549 * configuration when the file is opened and write it when the file is
4550 * closed. So basically we allocate a read buffer at open and fill it
4551 * with data, and allocate a write buffer and read it at close.
4552 */
4553
4554 /*
4555 * The read routine is generic, it relies on the preallocated rbuffer
4556 * to supply the data.
4557 */
4558 static ssize_t proc_read( struct file *file,
4559 char __user *buffer,
4560 size_t len,
4561 loff_t *offset )
4562 {
4563 loff_t pos = *offset;
4564 struct proc_data *priv = (struct proc_data*)file->private_data;
4565
4566 if (!priv->rbuffer)
4567 return -EINVAL;
4568
4569 if (pos < 0)
4570 return -EINVAL;
4571 if (pos >= priv->readlen)
4572 return 0;
4573 if (len > priv->readlen - pos)
4574 len = priv->readlen - pos;
4575 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4576 return -EFAULT;
4577 *offset = pos + len;
4578 return len;
4579 }
4580
4581 /*
4582 * The write routine is generic, it fills in a preallocated rbuffer
4583 * to supply the data.
4584 */
4585 static ssize_t proc_write( struct file *file,
4586 const char __user *buffer,
4587 size_t len,
4588 loff_t *offset )
4589 {
4590 loff_t pos = *offset;
4591 struct proc_data *priv = (struct proc_data*)file->private_data;
4592
4593 if (!priv->wbuffer)
4594 return -EINVAL;
4595
4596 if (pos < 0)
4597 return -EINVAL;
4598 if (pos >= priv->maxwritelen)
4599 return 0;
4600 if (len > priv->maxwritelen - pos)
4601 len = priv->maxwritelen - pos;
4602 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4603 return -EFAULT;
4604 if ( pos + len > priv->writelen )
4605 priv->writelen = len + file->f_pos;
4606 *offset = pos + len;
4607 return len;
4608 }
4609
4610 static int proc_status_open(struct inode *inode, struct file *file)
4611 {
4612 struct proc_data *data;
4613 struct proc_dir_entry *dp = PDE(inode);
4614 struct net_device *dev = dp->data;
4615 struct airo_info *apriv = dev->priv;
4616 CapabilityRid cap_rid;
4617 StatusRid status_rid;
4618 u16 mode;
4619 int i;
4620
4621 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4622 return -ENOMEM;
4623 data = (struct proc_data *)file->private_data;
4624 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4625 kfree (file->private_data);
4626 return -ENOMEM;
4627 }
4628
4629 readStatusRid(apriv, &status_rid, 1);
4630 readCapabilityRid(apriv, &cap_rid, 1);
4631
4632 mode = le16_to_cpu(status_rid.mode);
4633
4634 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4635 mode & 1 ? "CFG ": "",
4636 mode & 2 ? "ACT ": "",
4637 mode & 0x10 ? "SYN ": "",
4638 mode & 0x20 ? "LNK ": "",
4639 mode & 0x40 ? "LEAP ": "",
4640 mode & 0x80 ? "PRIV ": "",
4641 mode & 0x100 ? "KEY ": "",
4642 mode & 0x200 ? "WEP ": "",
4643 mode & 0x8000 ? "ERR ": "");
4644 sprintf( data->rbuffer+i, "Mode: %x\n"
4645 "Signal Strength: %d\n"
4646 "Signal Quality: %d\n"
4647 "SSID: %-.*s\n"
4648 "AP: %-.16s\n"
4649 "Freq: %d\n"
4650 "BitRate: %dmbs\n"
4651 "Driver Version: %s\n"
4652 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4653 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4654 "Software Version: %x\nSoftware Subversion: %x\n"
4655 "Boot block version: %x\n",
4656 le16_to_cpu(status_rid.mode),
4657 le16_to_cpu(status_rid.normalizedSignalStrength),
4658 le16_to_cpu(status_rid.signalQuality),
4659 le16_to_cpu(status_rid.SSIDlen),
4660 status_rid.SSID,
4661 status_rid.apName,
4662 le16_to_cpu(status_rid.channel),
4663 le16_to_cpu(status_rid.currentXmitRate) / 2,
4664 version,
4665 cap_rid.prodName,
4666 cap_rid.manName,
4667 cap_rid.prodVer,
4668 le16_to_cpu(cap_rid.radioType),
4669 le16_to_cpu(cap_rid.country),
4670 le16_to_cpu(cap_rid.hardVer),
4671 le16_to_cpu(cap_rid.softVer),
4672 le16_to_cpu(cap_rid.softSubVer),
4673 le16_to_cpu(cap_rid.bootBlockVer));
4674 data->readlen = strlen( data->rbuffer );
4675 return 0;
4676 }
4677
4678 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4679 static int proc_statsdelta_open( struct inode *inode,
4680 struct file *file ) {
4681 if (file->f_mode&FMODE_WRITE) {
4682 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4683 }
4684 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4685 }
4686
4687 static int proc_stats_open( struct inode *inode, struct file *file ) {
4688 return proc_stats_rid_open(inode, file, RID_STATS);
4689 }
4690
4691 static int proc_stats_rid_open( struct inode *inode,
4692 struct file *file,
4693 u16 rid )
4694 {
4695 struct proc_data *data;
4696 struct proc_dir_entry *dp = PDE(inode);
4697 struct net_device *dev = dp->data;
4698 struct airo_info *apriv = dev->priv;
4699 StatsRid stats;
4700 int i, j;
4701 __le32 *vals = stats.vals;
4702 int len = le16_to_cpu(stats.len);
4703
4704 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4705 return -ENOMEM;
4706 data = (struct proc_data *)file->private_data;
4707 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4708 kfree (file->private_data);
4709 return -ENOMEM;
4710 }
4711
4712 readStatsRid(apriv, &stats, rid, 1);
4713
4714 j = 0;
4715 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4716 if (!statsLabels[i]) continue;
4717 if (j+strlen(statsLabels[i])+16>4096) {
4718 airo_print_warn(apriv->dev->name,
4719 "Potentially disasterous buffer overflow averted!");
4720 break;
4721 }
4722 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4723 le32_to_cpu(vals[i]));
4724 }
4725 if (i*4 >= len) {
4726 airo_print_warn(apriv->dev->name, "Got a short rid");
4727 }
4728 data->readlen = j;
4729 return 0;
4730 }
4731
4732 static int get_dec_u16( char *buffer, int *start, int limit ) {
4733 u16 value;
4734 int valid = 0;
4735 for( value = 0; buffer[*start] >= '0' &&
4736 buffer[*start] <= '9' &&
4737 *start < limit; (*start)++ ) {
4738 valid = 1;
4739 value *= 10;
4740 value += buffer[*start] - '0';
4741 }
4742 if ( !valid ) return -1;
4743 return value;
4744 }
4745
4746 static int airo_config_commit(struct net_device *dev,
4747 struct iw_request_info *info, void *zwrq,
4748 char *extra);
4749
4750 static inline int sniffing_mode(struct airo_info *ai)
4751 {
4752 return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
4753 le16_to_cpu(RXMODE_RFMON);
4754 }
4755
4756 static void proc_config_on_close(struct inode *inode, struct file *file)
4757 {
4758 struct proc_data *data = file->private_data;
4759 struct proc_dir_entry *dp = PDE(inode);
4760 struct net_device *dev = dp->data;
4761 struct airo_info *ai = dev->priv;
4762 char *line;
4763
4764 if ( !data->writelen ) return;
4765
4766 readConfigRid(ai, 1);
4767 set_bit (FLAG_COMMIT, &ai->flags);
4768
4769 line = data->wbuffer;
4770 while( line[0] ) {
4771 /*** Mode processing */
4772 if ( !strncmp( line, "Mode: ", 6 ) ) {
4773 line += 6;
4774 if (sniffing_mode(ai))
4775 set_bit (FLAG_RESET, &ai->flags);
4776 ai->config.rmode &= ~RXMODE_FULL_MASK;
4777 clear_bit (FLAG_802_11, &ai->flags);
4778 ai->config.opmode &= ~MODE_CFG_MASK;
4779 ai->config.scanMode = SCANMODE_ACTIVE;
4780 if ( line[0] == 'a' ) {
4781 ai->config.opmode |= MODE_STA_IBSS;
4782 } else {
4783 ai->config.opmode |= MODE_STA_ESS;
4784 if ( line[0] == 'r' ) {
4785 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4786 ai->config.scanMode = SCANMODE_PASSIVE;
4787 set_bit (FLAG_802_11, &ai->flags);
4788 } else if ( line[0] == 'y' ) {
4789 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4790 ai->config.scanMode = SCANMODE_PASSIVE;
4791 set_bit (FLAG_802_11, &ai->flags);
4792 } else if ( line[0] == 'l' )
4793 ai->config.rmode |= RXMODE_LANMON;
4794 }
4795 set_bit (FLAG_COMMIT, &ai->flags);
4796 }
4797
4798 /*** Radio status */
4799 else if (!strncmp(line,"Radio: ", 7)) {
4800 line += 7;
4801 if (!strncmp(line,"off",3)) {
4802 set_bit (FLAG_RADIO_OFF, &ai->flags);
4803 } else {
4804 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4805 }
4806 }
4807 /*** NodeName processing */
4808 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4809 int j;
4810
4811 line += 10;
4812 memset( ai->config.nodeName, 0, 16 );
4813 /* Do the name, assume a space between the mode and node name */
4814 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4815 ai->config.nodeName[j] = line[j];
4816 }
4817 set_bit (FLAG_COMMIT, &ai->flags);
4818 }
4819
4820 /*** PowerMode processing */
4821 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4822 line += 11;
4823 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4824 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4825 set_bit (FLAG_COMMIT, &ai->flags);
4826 } else if ( !strncmp( line, "PSP", 3 ) ) {
4827 ai->config.powerSaveMode = POWERSAVE_PSP;
4828 set_bit (FLAG_COMMIT, &ai->flags);
4829 } else {
4830 ai->config.powerSaveMode = POWERSAVE_CAM;
4831 set_bit (FLAG_COMMIT, &ai->flags);
4832 }
4833 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4834 int v, i = 0, k = 0; /* i is index into line,
4835 k is index to rates */
4836
4837 line += 11;
4838 while((v = get_dec_u16(line, &i, 3))!=-1) {
4839 ai->config.rates[k++] = (u8)v;
4840 line += i + 1;
4841 i = 0;
4842 }
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4845 int v, i = 0;
4846 line += 9;
4847 v = get_dec_u16(line, &i, i+3);
4848 if ( v != -1 ) {
4849 ai->config.channelSet = cpu_to_le16(v);
4850 set_bit (FLAG_COMMIT, &ai->flags);
4851 }
4852 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4853 int v, i = 0;
4854 line += 11;
4855 v = get_dec_u16(line, &i, i+3);
4856 if ( v != -1 ) {
4857 ai->config.txPower = cpu_to_le16(v);
4858 set_bit (FLAG_COMMIT, &ai->flags);
4859 }
4860 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4861 line += 5;
4862 switch( line[0] ) {
4863 case 's':
4864 ai->config.authType = AUTH_SHAREDKEY;
4865 break;
4866 case 'e':
4867 ai->config.authType = AUTH_ENCRYPT;
4868 break;
4869 default:
4870 ai->config.authType = AUTH_OPEN;
4871 break;
4872 }
4873 set_bit (FLAG_COMMIT, &ai->flags);
4874 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4875 int v, i = 0;
4876
4877 line += 16;
4878 v = get_dec_u16(line, &i, 3);
4879 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4880 ai->config.longRetryLimit = cpu_to_le16(v);
4881 set_bit (FLAG_COMMIT, &ai->flags);
4882 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4883 int v, i = 0;
4884
4885 line += 17;
4886 v = get_dec_u16(line, &i, 3);
4887 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4888 ai->config.shortRetryLimit = cpu_to_le16(v);
4889 set_bit (FLAG_COMMIT, &ai->flags);
4890 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4891 int v, i = 0;
4892
4893 line += 14;
4894 v = get_dec_u16(line, &i, 4);
4895 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4896 ai->config.rtsThres = cpu_to_le16(v);
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4899 int v, i = 0;
4900
4901 line += 16;
4902 v = get_dec_u16(line, &i, 5);
4903 v = (v<0) ? 0 : v;
4904 ai->config.txLifetime = cpu_to_le16(v);
4905 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4907 int v, i = 0;
4908
4909 line += 16;
4910 v = get_dec_u16(line, &i, 5);
4911 v = (v<0) ? 0 : v;
4912 ai->config.rxLifetime = cpu_to_le16(v);
4913 set_bit (FLAG_COMMIT, &ai->flags);
4914 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4915 ai->config.txDiversity =
4916 (line[13]=='l') ? 1 :
4917 ((line[13]=='r')? 2: 3);
4918 set_bit (FLAG_COMMIT, &ai->flags);
4919 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4920 ai->config.rxDiversity =
4921 (line[13]=='l') ? 1 :
4922 ((line[13]=='r')? 2: 3);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4925 int v, i = 0;
4926
4927 line += 15;
4928 v = get_dec_u16(line, &i, 4);
4929 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4930 v = v & 0xfffe; /* Make sure its even */
4931 ai->config.fragThresh = cpu_to_le16(v);
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if (!strncmp(line, "Modulation: ", 12)) {
4934 line += 12;
4935 switch(*line) {
4936 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4937 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4938 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4939 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4940 }
4941 } else if (!strncmp(line, "Preamble: ", 10)) {
4942 line += 10;
4943 switch(*line) {
4944 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4945 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4946 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4947 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4948 }
4949 } else {
4950 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4951 }
4952 while( line[0] && line[0] != '\n' ) line++;
4953 if ( line[0] ) line++;
4954 }
4955 airo_config_commit(dev, NULL, NULL, NULL);
4956 }
4957
4958 static char *get_rmode(__le16 mode)
4959 {
4960 switch(mode & RXMODE_MASK) {
4961 case RXMODE_RFMON: return "rfmon";
4962 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4963 case RXMODE_LANMON: return "lanmon";
4964 }
4965 return "ESS";
4966 }
4967
4968 static int proc_config_open(struct inode *inode, struct file *file)
4969 {
4970 struct proc_data *data;
4971 struct proc_dir_entry *dp = PDE(inode);
4972 struct net_device *dev = dp->data;
4973 struct airo_info *ai = dev->priv;
4974 int i;
4975 __le16 mode;
4976
4977 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4978 return -ENOMEM;
4979 data = (struct proc_data *)file->private_data;
4980 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4981 kfree (file->private_data);
4982 return -ENOMEM;
4983 }
4984 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
4985 kfree (data->rbuffer);
4986 kfree (file->private_data);
4987 return -ENOMEM;
4988 }
4989 data->maxwritelen = 2048;
4990 data->on_close = proc_config_on_close;
4991
4992 readConfigRid(ai, 1);
4993
4994 mode = ai->config.opmode & MODE_CFG_MASK;
4995 i = sprintf( data->rbuffer,
4996 "Mode: %s\n"
4997 "Radio: %s\n"
4998 "NodeName: %-16s\n"
4999 "PowerMode: %s\n"
5000 "DataRates: %d %d %d %d %d %d %d %d\n"
5001 "Channel: %d\n"
5002 "XmitPower: %d\n",
5003 mode == MODE_STA_IBSS ? "adhoc" :
5004 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5005 mode == MODE_AP ? "AP" :
5006 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5007 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5008 ai->config.nodeName,
5009 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5010 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5011 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5012 "Error",
5013 (int)ai->config.rates[0],
5014 (int)ai->config.rates[1],
5015 (int)ai->config.rates[2],
5016 (int)ai->config.rates[3],
5017 (int)ai->config.rates[4],
5018 (int)ai->config.rates[5],
5019 (int)ai->config.rates[6],
5020 (int)ai->config.rates[7],
5021 le16_to_cpu(ai->config.channelSet),
5022 le16_to_cpu(ai->config.txPower)
5023 );
5024 sprintf( data->rbuffer + i,
5025 "LongRetryLimit: %d\n"
5026 "ShortRetryLimit: %d\n"
5027 "RTSThreshold: %d\n"
5028 "TXMSDULifetime: %d\n"
5029 "RXMSDULifetime: %d\n"
5030 "TXDiversity: %s\n"
5031 "RXDiversity: %s\n"
5032 "FragThreshold: %d\n"
5033 "WEP: %s\n"
5034 "Modulation: %s\n"
5035 "Preamble: %s\n",
5036 le16_to_cpu(ai->config.longRetryLimit),
5037 le16_to_cpu(ai->config.shortRetryLimit),
5038 le16_to_cpu(ai->config.rtsThres),
5039 le16_to_cpu(ai->config.txLifetime),
5040 le16_to_cpu(ai->config.rxLifetime),
5041 ai->config.txDiversity == 1 ? "left" :
5042 ai->config.txDiversity == 2 ? "right" : "both",
5043 ai->config.rxDiversity == 1 ? "left" :
5044 ai->config.rxDiversity == 2 ? "right" : "both",
5045 le16_to_cpu(ai->config.fragThresh),
5046 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5047 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5048 ai->config.modulation == MOD_DEFAULT ? "default" :
5049 ai->config.modulation == MOD_CCK ? "cck" :
5050 ai->config.modulation == MOD_MOK ? "mok" : "error",
5051 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5052 ai->config.preamble == PREAMBLE_LONG ? "long" :
5053 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5054 );
5055 data->readlen = strlen( data->rbuffer );
5056 return 0;
5057 }
5058
5059 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5060 {
5061 struct proc_data *data = (struct proc_data *)file->private_data;
5062 struct proc_dir_entry *dp = PDE(inode);
5063 struct net_device *dev = dp->data;
5064 struct airo_info *ai = dev->priv;
5065 SsidRid SSID_rid;
5066 int i;
5067 char *p = data->wbuffer;
5068 char *end = p + data->writelen;
5069
5070 if (!data->writelen)
5071 return;
5072
5073 *end = '\n'; /* sentinel; we have space for it */
5074
5075 memset(&SSID_rid, 0, sizeof(SSID_rid));
5076
5077 for (i = 0; i < 3 && p < end; i++) {
5078 int j = 0;
5079 /* copy up to 32 characters from this line */
5080 while (*p != '\n' && j < 32)
5081 SSID_rid.ssids[i].ssid[j++] = *p++;
5082 if (j == 0)
5083 break;
5084 SSID_rid.ssids[i].len = cpu_to_le16(j);
5085 /* skip to the beginning of the next line */
5086 while (*p++ != '\n')
5087 ;
5088 }
5089 if (i)
5090 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5091 disable_MAC(ai, 1);
5092 writeSsidRid(ai, &SSID_rid, 1);
5093 enable_MAC(ai, 1);
5094 }
5095
5096 static inline u8 hexVal(char c) {
5097 if (c>='0' && c<='9') return c -= '0';
5098 if (c>='a' && c<='f') return c -= 'a'-10;
5099 if (c>='A' && c<='F') return c -= 'A'-10;
5100 return 0;
5101 }
5102
5103 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5104 struct proc_data *data = (struct proc_data *)file->private_data;
5105 struct proc_dir_entry *dp = PDE(inode);
5106 struct net_device *dev = dp->data;
5107 struct airo_info *ai = dev->priv;
5108 APListRid APList_rid;
5109 int i;
5110
5111 if ( !data->writelen ) return;
5112
5113 memset( &APList_rid, 0, sizeof(APList_rid) );
5114 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5115
5116 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5117 int j;
5118 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5119 switch(j%3) {
5120 case 0:
5121 APList_rid.ap[i][j/3]=
5122 hexVal(data->wbuffer[j+i*6*3])<<4;
5123 break;
5124 case 1:
5125 APList_rid.ap[i][j/3]|=
5126 hexVal(data->wbuffer[j+i*6*3]);
5127 break;
5128 }
5129 }
5130 }
5131 disable_MAC(ai, 1);
5132 writeAPListRid(ai, &APList_rid, 1);
5133 enable_MAC(ai, 1);
5134 }
5135
5136 /* This function wraps PC4500_writerid with a MAC disable */
5137 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5138 int len, int dummy ) {
5139 int rc;
5140
5141 disable_MAC(ai, 1);
5142 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5143 enable_MAC(ai, 1);
5144 return rc;
5145 }
5146
5147 /* Returns the length of the key at the index. If index == 0xffff
5148 * the index of the transmit key is returned. If the key doesn't exist,
5149 * -1 will be returned.
5150 */
5151 static int get_wep_key(struct airo_info *ai, u16 index) {
5152 WepKeyRid wkr;
5153 int rc;
5154 __le16 lastindex;
5155
5156 rc = readWepKeyRid(ai, &wkr, 1, 1);
5157 if (rc == SUCCESS) do {
5158 lastindex = wkr.kindex;
5159 if (wkr.kindex == cpu_to_le16(index)) {
5160 if (index == 0xffff) {
5161 return wkr.mac[0];
5162 }
5163 return le16_to_cpu(wkr.klen);
5164 }
5165 readWepKeyRid(ai, &wkr, 0, 1);
5166 } while (lastindex != wkr.kindex);
5167 return -1;
5168 }
5169
5170 static int set_wep_key(struct airo_info *ai, u16 index,
5171 const char *key, u16 keylen, int perm, int lock )
5172 {
5173 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5174 WepKeyRid wkr;
5175
5176 memset(&wkr, 0, sizeof(wkr));
5177 if (keylen == 0) {
5178 // We are selecting which key to use
5179 wkr.len = cpu_to_le16(sizeof(wkr));
5180 wkr.kindex = cpu_to_le16(0xffff);
5181 wkr.mac[0] = (char)index;
5182 if (perm) ai->defindex = (char)index;
5183 } else {
5184 // We are actually setting the key
5185 wkr.len = cpu_to_le16(sizeof(wkr));
5186 wkr.kindex = cpu_to_le16(index);
5187 wkr.klen = cpu_to_le16(keylen);
5188 memcpy( wkr.key, key, keylen );
5189 memcpy( wkr.mac, macaddr, ETH_ALEN );
5190 }
5191
5192 if (perm) disable_MAC(ai, lock);
5193 writeWepKeyRid(ai, &wkr, perm, lock);
5194 if (perm) enable_MAC(ai, lock);
5195 return 0;
5196 }
5197
5198 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5199 struct proc_data *data;
5200 struct proc_dir_entry *dp = PDE(inode);
5201 struct net_device *dev = dp->data;
5202 struct airo_info *ai = dev->priv;
5203 int i;
5204 char key[16];
5205 u16 index = 0;
5206 int j = 0;
5207
5208 memset(key, 0, sizeof(key));
5209
5210 data = (struct proc_data *)file->private_data;
5211 if ( !data->writelen ) return;
5212
5213 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5214 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5215 index = data->wbuffer[0] - '0';
5216 if (data->wbuffer[1] == '\n') {
5217 set_wep_key(ai, index, NULL, 0, 1, 1);
5218 return;
5219 }
5220 j = 2;
5221 } else {
5222 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5223 return;
5224 }
5225
5226 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5227 switch(i%3) {
5228 case 0:
5229 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5230 break;
5231 case 1:
5232 key[i/3] |= hexVal(data->wbuffer[i+j]);
5233 break;
5234 }
5235 }
5236 set_wep_key(ai, index, key, i/3, 1, 1);
5237 }
5238
5239 static int proc_wepkey_open( struct inode *inode, struct file *file )
5240 {
5241 struct proc_data *data;
5242 struct proc_dir_entry *dp = PDE(inode);
5243 struct net_device *dev = dp->data;
5244 struct airo_info *ai = dev->priv;
5245 char *ptr;
5246 WepKeyRid wkr;
5247 __le16 lastindex;
5248 int j=0;
5249 int rc;
5250
5251 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5252 return -ENOMEM;
5253 memset(&wkr, 0, sizeof(wkr));
5254 data = (struct proc_data *)file->private_data;
5255 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5256 kfree (file->private_data);
5257 return -ENOMEM;
5258 }
5259 data->writelen = 0;
5260 data->maxwritelen = 80;
5261 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5262 kfree (data->rbuffer);
5263 kfree (file->private_data);
5264 return -ENOMEM;
5265 }
5266 data->on_close = proc_wepkey_on_close;
5267
5268 ptr = data->rbuffer;
5269 strcpy(ptr, "No wep keys\n");
5270 rc = readWepKeyRid(ai, &wkr, 1, 1);
5271 if (rc == SUCCESS) do {
5272 lastindex = wkr.kindex;
5273 if (wkr.kindex == cpu_to_le16(0xffff)) {
5274 j += sprintf(ptr+j, "Tx key = %d\n",
5275 (int)wkr.mac[0]);
5276 } else {
5277 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5278 le16_to_cpu(wkr.kindex),
5279 le16_to_cpu(wkr.klen));
5280 }
5281 readWepKeyRid(ai, &wkr, 0, 1);
5282 } while((lastindex != wkr.kindex) && (j < 180-30));
5283
5284 data->readlen = strlen( data->rbuffer );
5285 return 0;
5286 }
5287
5288 static int proc_SSID_open(struct inode *inode, struct file *file)
5289 {
5290 struct proc_data *data;
5291 struct proc_dir_entry *dp = PDE(inode);
5292 struct net_device *dev = dp->data;
5293 struct airo_info *ai = dev->priv;
5294 int i;
5295 char *ptr;
5296 SsidRid SSID_rid;
5297
5298 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5299 return -ENOMEM;
5300 data = (struct proc_data *)file->private_data;
5301 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5302 kfree (file->private_data);
5303 return -ENOMEM;
5304 }
5305 data->writelen = 0;
5306 data->maxwritelen = 33*3;
5307 /* allocate maxwritelen + 1; we'll want a sentinel */
5308 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5309 kfree (data->rbuffer);
5310 kfree (file->private_data);
5311 return -ENOMEM;
5312 }
5313 data->on_close = proc_SSID_on_close;
5314
5315 readSsidRid(ai, &SSID_rid);
5316 ptr = data->rbuffer;
5317 for (i = 0; i < 3; i++) {
5318 int j;
5319 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5320 if (!len)
5321 break;
5322 if (len > 32)
5323 len = 32;
5324 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5325 *ptr++ = SSID_rid.ssids[i].ssid[j];
5326 *ptr++ = '\n';
5327 }
5328 *ptr = '\0';
5329 data->readlen = strlen( data->rbuffer );
5330 return 0;
5331 }
5332
5333 static int proc_APList_open( struct inode *inode, struct file *file ) {
5334 struct proc_data *data;
5335 struct proc_dir_entry *dp = PDE(inode);
5336 struct net_device *dev = dp->data;
5337 struct airo_info *ai = dev->priv;
5338 int i;
5339 char *ptr;
5340 APListRid APList_rid;
5341 DECLARE_MAC_BUF(mac);
5342
5343 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5344 return -ENOMEM;
5345 data = (struct proc_data *)file->private_data;
5346 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5347 kfree (file->private_data);
5348 return -ENOMEM;
5349 }
5350 data->writelen = 0;
5351 data->maxwritelen = 4*6*3;
5352 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5353 kfree (data->rbuffer);
5354 kfree (file->private_data);
5355 return -ENOMEM;
5356 }
5357 data->on_close = proc_APList_on_close;
5358
5359 readAPListRid(ai, &APList_rid);
5360 ptr = data->rbuffer;
5361 for( i = 0; i < 4; i++ ) {
5362 // We end when we find a zero MAC
5363 if ( !*(int*)APList_rid.ap[i] &&
5364 !*(int*)&APList_rid.ap[i][2]) break;
5365 ptr += sprintf(ptr, "%s\n",
5366 print_mac(mac, APList_rid.ap[i]));
5367 }
5368 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5369
5370 *ptr = '\0';
5371 data->readlen = strlen( data->rbuffer );
5372 return 0;
5373 }
5374
5375 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5376 struct proc_data *data;
5377 struct proc_dir_entry *dp = PDE(inode);
5378 struct net_device *dev = dp->data;
5379 struct airo_info *ai = dev->priv;
5380 char *ptr;
5381 BSSListRid BSSList_rid;
5382 int rc;
5383 /* If doLoseSync is not 1, we won't do a Lose Sync */
5384 int doLoseSync = -1;
5385 DECLARE_MAC_BUF(mac);
5386
5387 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5388 return -ENOMEM;
5389 data = (struct proc_data *)file->private_data;
5390 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5391 kfree (file->private_data);
5392 return -ENOMEM;
5393 }
5394 data->writelen = 0;
5395 data->maxwritelen = 0;
5396 data->wbuffer = NULL;
5397 data->on_close = NULL;
5398
5399 if (file->f_mode & FMODE_WRITE) {
5400 if (!(file->f_mode & FMODE_READ)) {
5401 Cmd cmd;
5402 Resp rsp;
5403
5404 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5405 memset(&cmd, 0, sizeof(cmd));
5406 cmd.cmd=CMD_LISTBSS;
5407 if (down_interruptible(&ai->sem))
5408 return -ERESTARTSYS;
5409 issuecommand(ai, &cmd, &rsp);
5410 up(&ai->sem);
5411 data->readlen = 0;
5412 return 0;
5413 }
5414 doLoseSync = 1;
5415 }
5416 ptr = data->rbuffer;
5417 /* There is a race condition here if there are concurrent opens.
5418 Since it is a rare condition, we'll just live with it, otherwise
5419 we have to add a spin lock... */
5420 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5421 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5422 ptr += sprintf(ptr, "%s %*s rssi = %d",
5423 print_mac(mac, BSSList_rid.bssid),
5424 (int)BSSList_rid.ssidLen,
5425 BSSList_rid.ssid,
5426 le16_to_cpu(BSSList_rid.dBm));
5427 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5428 le16_to_cpu(BSSList_rid.dsChannel),
5429 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5430 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5431 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5432 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5433 rc = readBSSListRid(ai, 0, &BSSList_rid);
5434 }
5435 *ptr = '\0';
5436 data->readlen = strlen( data->rbuffer );
5437 return 0;
5438 }
5439
5440 static int proc_close( struct inode *inode, struct file *file )
5441 {
5442 struct proc_data *data = file->private_data;
5443
5444 if (data->on_close != NULL)
5445 data->on_close(inode, file);
5446 kfree(data->rbuffer);
5447 kfree(data->wbuffer);
5448 kfree(data);
5449 return 0;
5450 }
5451
5452 /* Since the card doesn't automatically switch to the right WEP mode,
5453 we will make it do it. If the card isn't associated, every secs we
5454 will switch WEP modes to see if that will help. If the card is
5455 associated we will check every minute to see if anything has
5456 changed. */
5457 static void timer_func( struct net_device *dev ) {
5458 struct airo_info *apriv = dev->priv;
5459
5460 /* We don't have a link so try changing the authtype */
5461 readConfigRid(apriv, 0);
5462 disable_MAC(apriv, 0);
5463 switch(apriv->config.authType) {
5464 case AUTH_ENCRYPT:
5465 /* So drop to OPEN */
5466 apriv->config.authType = AUTH_OPEN;
5467 break;
5468 case AUTH_SHAREDKEY:
5469 if (apriv->keyindex < auto_wep) {
5470 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5471 apriv->config.authType = AUTH_SHAREDKEY;
5472 apriv->keyindex++;
5473 } else {
5474 /* Drop to ENCRYPT */
5475 apriv->keyindex = 0;
5476 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5477 apriv->config.authType = AUTH_ENCRYPT;
5478 }
5479 break;
5480 default: /* We'll escalate to SHAREDKEY */
5481 apriv->config.authType = AUTH_SHAREDKEY;
5482 }
5483 set_bit (FLAG_COMMIT, &apriv->flags);
5484 writeConfigRid(apriv, 0);
5485 enable_MAC(apriv, 0);
5486 up(&apriv->sem);
5487
5488 /* Schedule check to see if the change worked */
5489 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5490 apriv->expires = RUN_AT(HZ*3);
5491 }
5492
5493 #ifdef CONFIG_PCI
5494 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5495 const struct pci_device_id *pent)
5496 {
5497 struct net_device *dev;
5498
5499 if (pci_enable_device(pdev))
5500 return -ENODEV;
5501 pci_set_master(pdev);
5502
5503 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5504 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5505 else
5506 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5507 if (!dev) {
5508 pci_disable_device(pdev);
5509 return -ENODEV;
5510 }
5511
5512 pci_set_drvdata(pdev, dev);
5513 return 0;
5514 }
5515
5516 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5517 {
5518 struct net_device *dev = pci_get_drvdata(pdev);
5519
5520 airo_print_info(dev->name, "Unregistering...");
5521 stop_airo_card(dev, 1);
5522 pci_disable_device(pdev);
5523 pci_set_drvdata(pdev, NULL);
5524 }
5525
5526 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5527 {
5528 struct net_device *dev = pci_get_drvdata(pdev);
5529 struct airo_info *ai = dev->priv;
5530 Cmd cmd;
5531 Resp rsp;
5532
5533 if ((ai->APList == NULL) &&
5534 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5535 return -ENOMEM;
5536 if ((ai->SSID == NULL) &&
5537 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5538 return -ENOMEM;
5539 readAPListRid(ai, ai->APList);
5540 readSsidRid(ai, ai->SSID);
5541 memset(&cmd, 0, sizeof(cmd));
5542 /* the lock will be released at the end of the resume callback */
5543 if (down_interruptible(&ai->sem))
5544 return -EAGAIN;
5545 disable_MAC(ai, 0);
5546 netif_device_detach(dev);
5547 ai->power = state;
5548 cmd.cmd=HOSTSLEEP;
5549 issuecommand(ai, &cmd, &rsp);
5550
5551 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5552 pci_save_state(pdev);
5553 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5554 }
5555
5556 static int airo_pci_resume(struct pci_dev *pdev)
5557 {
5558 struct net_device *dev = pci_get_drvdata(pdev);
5559 struct airo_info *ai = dev->priv;
5560 pci_power_t prev_state = pdev->current_state;
5561
5562 pci_set_power_state(pdev, PCI_D0);
5563 pci_restore_state(pdev);
5564 pci_enable_wake(pdev, PCI_D0, 0);
5565
5566 if (prev_state != PCI_D1) {
5567 reset_card(dev, 0);
5568 mpi_init_descriptors(ai);
5569 setup_card(ai, dev->dev_addr, 0);
5570 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5571 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5572 } else {
5573 OUT4500(ai, EVACK, EV_AWAKEN);
5574 OUT4500(ai, EVACK, EV_AWAKEN);
5575 msleep(100);
5576 }
5577
5578 set_bit (FLAG_COMMIT, &ai->flags);
5579 disable_MAC(ai, 0);
5580 msleep(200);
5581 if (ai->SSID) {
5582 writeSsidRid(ai, ai->SSID, 0);
5583 kfree(ai->SSID);
5584 ai->SSID = NULL;
5585 }
5586 if (ai->APList) {
5587 writeAPListRid(ai, ai->APList, 0);
5588 kfree(ai->APList);
5589 ai->APList = NULL;
5590 }
5591 writeConfigRid(ai, 0);
5592 enable_MAC(ai, 0);
5593 ai->power = PMSG_ON;
5594 netif_device_attach(dev);
5595 netif_wake_queue(dev);
5596 enable_interrupts(ai);
5597 up(&ai->sem);
5598 return 0;
5599 }
5600 #endif
5601
5602 static int __init airo_init_module( void )
5603 {
5604 int i;
5605 #if 0
5606 int have_isa_dev = 0;
5607 #endif
5608
5609 airo_entry = create_proc_entry("driver/aironet",
5610 S_IFDIR | airo_perm,
5611 NULL);
5612
5613 if (airo_entry) {
5614 airo_entry->uid = proc_uid;
5615 airo_entry->gid = proc_gid;
5616 }
5617
5618 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5619 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5620 "io=0x%x", irq[i], io[i] );
5621 if (init_airo_card( irq[i], io[i], 0, NULL ))
5622 #if 0
5623 have_isa_dev = 1;
5624 #else
5625 /* do nothing */ ;
5626 #endif
5627 }
5628
5629 #ifdef CONFIG_PCI
5630 airo_print_info("", "Probing for PCI adapters");
5631 i = pci_register_driver(&airo_driver);
5632 airo_print_info("", "Finished probing for PCI adapters");
5633
5634 if (i) {
5635 remove_proc_entry("driver/aironet", NULL);
5636 return i;
5637 }
5638 #endif
5639
5640 /* Always exit with success, as we are a library module
5641 * as well as a driver module
5642 */
5643 return 0;
5644 }
5645
5646 static void __exit airo_cleanup_module( void )
5647 {
5648 struct airo_info *ai;
5649 while(!list_empty(&airo_devices)) {
5650 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5651 airo_print_info(ai->dev->name, "Unregistering...");
5652 stop_airo_card(ai->dev, 1);
5653 }
5654 #ifdef CONFIG_PCI
5655 pci_unregister_driver(&airo_driver);
5656 #endif
5657 remove_proc_entry("driver/aironet", NULL);
5658 }
5659
5660 /*
5661 * Initial Wireless Extension code for Aironet driver by :
5662 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5663 * Conversion to new driver API by :
5664 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5665 * Javier also did a good amount of work here, adding some new extensions
5666 * and fixing my code. Let's just say that without him this code just
5667 * would not work at all... - Jean II
5668 */
5669
5670 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5671 {
5672 if( !rssi_rid )
5673 return 0;
5674
5675 return (0x100 - rssi_rid[rssi].rssidBm);
5676 }
5677
5678 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5679 {
5680 int i;
5681
5682 if( !rssi_rid )
5683 return 0;
5684
5685 for( i = 0; i < 256; i++ )
5686 if (rssi_rid[i].rssidBm == dbm)
5687 return rssi_rid[i].rssipct;
5688
5689 return 0;
5690 }
5691
5692
5693 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5694 {
5695 int quality = 0;
5696 u16 sq;
5697
5698 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5699 return 0;
5700
5701 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5702 return 0;
5703
5704 sq = le16_to_cpu(status_rid->signalQuality);
5705 if (memcmp(cap_rid->prodName, "350", 3))
5706 if (sq > 0x20)
5707 quality = 0;
5708 else
5709 quality = 0x20 - sq;
5710 else
5711 if (sq > 0xb0)
5712 quality = 0;
5713 else if (sq < 0x10)
5714 quality = 0xa0;
5715 else
5716 quality = 0xb0 - sq;
5717 return quality;
5718 }
5719
5720 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5721 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5722
5723 /*------------------------------------------------------------------*/
5724 /*
5725 * Wireless Handler : get protocol name
5726 */
5727 static int airo_get_name(struct net_device *dev,
5728 struct iw_request_info *info,
5729 char *cwrq,
5730 char *extra)
5731 {
5732 strcpy(cwrq, "IEEE 802.11-DS");
5733 return 0;
5734 }
5735
5736 /*------------------------------------------------------------------*/
5737 /*
5738 * Wireless Handler : set frequency
5739 */
5740 static int airo_set_freq(struct net_device *dev,
5741 struct iw_request_info *info,
5742 struct iw_freq *fwrq,
5743 char *extra)
5744 {
5745 struct airo_info *local = dev->priv;
5746 int rc = -EINPROGRESS; /* Call commit handler */
5747
5748 /* If setting by frequency, convert to a channel */
5749 if((fwrq->e == 1) &&
5750 (fwrq->m >= (int) 2.412e8) &&
5751 (fwrq->m <= (int) 2.487e8)) {
5752 int f = fwrq->m / 100000;
5753 int c = 0;
5754 while((c < 14) && (f != frequency_list[c]))
5755 c++;
5756 /* Hack to fall through... */
5757 fwrq->e = 0;
5758 fwrq->m = c + 1;
5759 }
5760 /* Setting by channel number */
5761 if((fwrq->m > 1000) || (fwrq->e > 0))
5762 rc = -EOPNOTSUPP;
5763 else {
5764 int channel = fwrq->m;
5765 /* We should do a better check than that,
5766 * based on the card capability !!! */
5767 if((channel < 1) || (channel > 14)) {
5768 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5769 fwrq->m);
5770 rc = -EINVAL;
5771 } else {
5772 readConfigRid(local, 1);
5773 /* Yes ! We can set it !!! */
5774 local->config.channelSet = cpu_to_le16(channel);
5775 set_bit (FLAG_COMMIT, &local->flags);
5776 }
5777 }
5778 return rc;
5779 }
5780
5781 /*------------------------------------------------------------------*/
5782 /*
5783 * Wireless Handler : get frequency
5784 */
5785 static int airo_get_freq(struct net_device *dev,
5786 struct iw_request_info *info,
5787 struct iw_freq *fwrq,
5788 char *extra)
5789 {
5790 struct airo_info *local = dev->priv;
5791 StatusRid status_rid; /* Card status info */
5792 int ch;
5793
5794 readConfigRid(local, 1);
5795 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5796 status_rid.channel = local->config.channelSet;
5797 else
5798 readStatusRid(local, &status_rid, 1);
5799
5800 ch = le16_to_cpu(status_rid.channel);
5801 if((ch > 0) && (ch < 15)) {
5802 fwrq->m = frequency_list[ch - 1] * 100000;
5803 fwrq->e = 1;
5804 } else {
5805 fwrq->m = ch;
5806 fwrq->e = 0;
5807 }
5808
5809 return 0;
5810 }
5811
5812 /*------------------------------------------------------------------*/
5813 /*
5814 * Wireless Handler : set ESSID
5815 */
5816 static int airo_set_essid(struct net_device *dev,
5817 struct iw_request_info *info,
5818 struct iw_point *dwrq,
5819 char *extra)
5820 {
5821 struct airo_info *local = dev->priv;
5822 SsidRid SSID_rid; /* SSIDs */
5823
5824 /* Reload the list of current SSID */
5825 readSsidRid(local, &SSID_rid);
5826
5827 /* Check if we asked for `any' */
5828 if(dwrq->flags == 0) {
5829 /* Just send an empty SSID list */
5830 memset(&SSID_rid, 0, sizeof(SSID_rid));
5831 } else {
5832 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5833
5834 /* Check the size of the string */
5835 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5836 return -E2BIG ;
5837 }
5838 /* Check if index is valid */
5839 if((index < 0) || (index >= 4)) {
5840 return -EINVAL;
5841 }
5842
5843 /* Set the SSID */
5844 memset(SSID_rid.ssids[index].ssid, 0,
5845 sizeof(SSID_rid.ssids[index].ssid));
5846 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5847 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5848 }
5849 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5850 /* Write it to the card */
5851 disable_MAC(local, 1);
5852 writeSsidRid(local, &SSID_rid, 1);
5853 enable_MAC(local, 1);
5854
5855 return 0;
5856 }
5857
5858 /*------------------------------------------------------------------*/
5859 /*
5860 * Wireless Handler : get ESSID
5861 */
5862 static int airo_get_essid(struct net_device *dev,
5863 struct iw_request_info *info,
5864 struct iw_point *dwrq,
5865 char *extra)
5866 {
5867 struct airo_info *local = dev->priv;
5868 StatusRid status_rid; /* Card status info */
5869
5870 readStatusRid(local, &status_rid, 1);
5871
5872 /* Note : if dwrq->flags != 0, we should
5873 * get the relevant SSID from the SSID list... */
5874
5875 /* Get the current SSID */
5876 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5877 /* If none, we may want to get the one that was set */
5878
5879 /* Push it out ! */
5880 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5881 dwrq->flags = 1; /* active */
5882
5883 return 0;
5884 }
5885
5886 /*------------------------------------------------------------------*/
5887 /*
5888 * Wireless Handler : set AP address
5889 */
5890 static int airo_set_wap(struct net_device *dev,
5891 struct iw_request_info *info,
5892 struct sockaddr *awrq,
5893 char *extra)
5894 {
5895 struct airo_info *local = dev->priv;
5896 Cmd cmd;
5897 Resp rsp;
5898 APListRid APList_rid;
5899 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5900 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5901
5902 if (awrq->sa_family != ARPHRD_ETHER)
5903 return -EINVAL;
5904 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5905 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5906 memset(&cmd, 0, sizeof(cmd));
5907 cmd.cmd=CMD_LOSE_SYNC;
5908 if (down_interruptible(&local->sem))
5909 return -ERESTARTSYS;
5910 issuecommand(local, &cmd, &rsp);
5911 up(&local->sem);
5912 } else {
5913 memset(&APList_rid, 0, sizeof(APList_rid));
5914 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5915 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5916 disable_MAC(local, 1);
5917 writeAPListRid(local, &APList_rid, 1);
5918 enable_MAC(local, 1);
5919 }
5920 return 0;
5921 }
5922
5923 /*------------------------------------------------------------------*/
5924 /*
5925 * Wireless Handler : get AP address
5926 */
5927 static int airo_get_wap(struct net_device *dev,
5928 struct iw_request_info *info,
5929 struct sockaddr *awrq,
5930 char *extra)
5931 {
5932 struct airo_info *local = dev->priv;
5933 StatusRid status_rid; /* Card status info */
5934
5935 readStatusRid(local, &status_rid, 1);
5936
5937 /* Tentative. This seems to work, wow, I'm lucky !!! */
5938 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5939 awrq->sa_family = ARPHRD_ETHER;
5940
5941 return 0;
5942 }
5943
5944 /*------------------------------------------------------------------*/
5945 /*
5946 * Wireless Handler : set Nickname
5947 */
5948 static int airo_set_nick(struct net_device *dev,
5949 struct iw_request_info *info,
5950 struct iw_point *dwrq,
5951 char *extra)
5952 {
5953 struct airo_info *local = dev->priv;
5954
5955 /* Check the size of the string */
5956 if(dwrq->length > 16) {
5957 return -E2BIG;
5958 }
5959 readConfigRid(local, 1);
5960 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5961 memcpy(local->config.nodeName, extra, dwrq->length);
5962 set_bit (FLAG_COMMIT, &local->flags);
5963
5964 return -EINPROGRESS; /* Call commit handler */
5965 }
5966
5967 /*------------------------------------------------------------------*/
5968 /*
5969 * Wireless Handler : get Nickname
5970 */
5971 static int airo_get_nick(struct net_device *dev,
5972 struct iw_request_info *info,
5973 struct iw_point *dwrq,
5974 char *extra)
5975 {
5976 struct airo_info *local = dev->priv;
5977
5978 readConfigRid(local, 1);
5979 strncpy(extra, local->config.nodeName, 16);
5980 extra[16] = '\0';
5981 dwrq->length = strlen(extra);
5982
5983 return 0;
5984 }
5985
5986 /*------------------------------------------------------------------*/
5987 /*
5988 * Wireless Handler : set Bit-Rate
5989 */
5990 static int airo_set_rate(struct net_device *dev,
5991 struct iw_request_info *info,
5992 struct iw_param *vwrq,
5993 char *extra)
5994 {
5995 struct airo_info *local = dev->priv;
5996 CapabilityRid cap_rid; /* Card capability info */
5997 u8 brate = 0;
5998 int i;
5999
6000 /* First : get a valid bit rate value */
6001 readCapabilityRid(local, &cap_rid, 1);
6002
6003 /* Which type of value ? */
6004 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6005 /* Setting by rate index */
6006 /* Find value in the magic rate table */
6007 brate = cap_rid.supportedRates[vwrq->value];
6008 } else {
6009 /* Setting by frequency value */
6010 u8 normvalue = (u8) (vwrq->value/500000);
6011
6012 /* Check if rate is valid */
6013 for(i = 0 ; i < 8 ; i++) {
6014 if(normvalue == cap_rid.supportedRates[i]) {
6015 brate = normvalue;
6016 break;
6017 }
6018 }
6019 }
6020 /* -1 designed the max rate (mostly auto mode) */
6021 if(vwrq->value == -1) {
6022 /* Get the highest available rate */
6023 for(i = 0 ; i < 8 ; i++) {
6024 if(cap_rid.supportedRates[i] == 0)
6025 break;
6026 }
6027 if(i != 0)
6028 brate = cap_rid.supportedRates[i - 1];
6029 }
6030 /* Check that it is valid */
6031 if(brate == 0) {
6032 return -EINVAL;
6033 }
6034
6035 readConfigRid(local, 1);
6036 /* Now, check if we want a fixed or auto value */
6037 if(vwrq->fixed == 0) {
6038 /* Fill all the rates up to this max rate */
6039 memset(local->config.rates, 0, 8);
6040 for(i = 0 ; i < 8 ; i++) {
6041 local->config.rates[i] = cap_rid.supportedRates[i];
6042 if(local->config.rates[i] == brate)
6043 break;
6044 }
6045 } else {
6046 /* Fixed mode */
6047 /* One rate, fixed */
6048 memset(local->config.rates, 0, 8);
6049 local->config.rates[0] = brate;
6050 }
6051 set_bit (FLAG_COMMIT, &local->flags);
6052
6053 return -EINPROGRESS; /* Call commit handler */
6054 }
6055
6056 /*------------------------------------------------------------------*/
6057 /*
6058 * Wireless Handler : get Bit-Rate
6059 */
6060 static int airo_get_rate(struct net_device *dev,
6061 struct iw_request_info *info,
6062 struct iw_param *vwrq,
6063 char *extra)
6064 {
6065 struct airo_info *local = dev->priv;
6066 StatusRid status_rid; /* Card status info */
6067
6068 readStatusRid(local, &status_rid, 1);
6069
6070 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6071 /* If more than one rate, set auto */
6072 readConfigRid(local, 1);
6073 vwrq->fixed = (local->config.rates[1] == 0);
6074
6075 return 0;
6076 }
6077
6078 /*------------------------------------------------------------------*/
6079 /*
6080 * Wireless Handler : set RTS threshold
6081 */
6082 static int airo_set_rts(struct net_device *dev,
6083 struct iw_request_info *info,
6084 struct iw_param *vwrq,
6085 char *extra)
6086 {
6087 struct airo_info *local = dev->priv;
6088 int rthr = vwrq->value;
6089
6090 if(vwrq->disabled)
6091 rthr = AIRO_DEF_MTU;
6092 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6093 return -EINVAL;
6094 }
6095 readConfigRid(local, 1);
6096 local->config.rtsThres = cpu_to_le16(rthr);
6097 set_bit (FLAG_COMMIT, &local->flags);
6098
6099 return -EINPROGRESS; /* Call commit handler */
6100 }
6101
6102 /*------------------------------------------------------------------*/
6103 /*
6104 * Wireless Handler : get RTS threshold
6105 */
6106 static int airo_get_rts(struct net_device *dev,
6107 struct iw_request_info *info,
6108 struct iw_param *vwrq,
6109 char *extra)
6110 {
6111 struct airo_info *local = dev->priv;
6112
6113 readConfigRid(local, 1);
6114 vwrq->value = le16_to_cpu(local->config.rtsThres);
6115 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6116 vwrq->fixed = 1;
6117
6118 return 0;
6119 }
6120
6121 /*------------------------------------------------------------------*/
6122 /*
6123 * Wireless Handler : set Fragmentation threshold
6124 */
6125 static int airo_set_frag(struct net_device *dev,
6126 struct iw_request_info *info,
6127 struct iw_param *vwrq,
6128 char *extra)
6129 {
6130 struct airo_info *local = dev->priv;
6131 int fthr = vwrq->value;
6132
6133 if(vwrq->disabled)
6134 fthr = AIRO_DEF_MTU;
6135 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6136 return -EINVAL;
6137 }
6138 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6139 readConfigRid(local, 1);
6140 local->config.fragThresh = cpu_to_le16(fthr);
6141 set_bit (FLAG_COMMIT, &local->flags);
6142
6143 return -EINPROGRESS; /* Call commit handler */
6144 }
6145
6146 /*------------------------------------------------------------------*/
6147 /*
6148 * Wireless Handler : get Fragmentation threshold
6149 */
6150 static int airo_get_frag(struct net_device *dev,
6151 struct iw_request_info *info,
6152 struct iw_param *vwrq,
6153 char *extra)
6154 {
6155 struct airo_info *local = dev->priv;
6156
6157 readConfigRid(local, 1);
6158 vwrq->value = le16_to_cpu(local->config.fragThresh);
6159 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6160 vwrq->fixed = 1;
6161
6162 return 0;
6163 }
6164
6165 /*------------------------------------------------------------------*/
6166 /*
6167 * Wireless Handler : set Mode of Operation
6168 */
6169 static int airo_set_mode(struct net_device *dev,
6170 struct iw_request_info *info,
6171 __u32 *uwrq,
6172 char *extra)
6173 {
6174 struct airo_info *local = dev->priv;
6175 int reset = 0;
6176
6177 readConfigRid(local, 1);
6178 if (sniffing_mode(local))
6179 reset = 1;
6180
6181 switch(*uwrq) {
6182 case IW_MODE_ADHOC:
6183 local->config.opmode &= ~MODE_CFG_MASK;
6184 local->config.opmode |= MODE_STA_IBSS;
6185 local->config.rmode &= ~RXMODE_FULL_MASK;
6186 local->config.scanMode = SCANMODE_ACTIVE;
6187 clear_bit (FLAG_802_11, &local->flags);
6188 break;
6189 case IW_MODE_INFRA:
6190 local->config.opmode &= ~MODE_CFG_MASK;
6191 local->config.opmode |= MODE_STA_ESS;
6192 local->config.rmode &= ~RXMODE_FULL_MASK;
6193 local->config.scanMode = SCANMODE_ACTIVE;
6194 clear_bit (FLAG_802_11, &local->flags);
6195 break;
6196 case IW_MODE_MASTER:
6197 local->config.opmode &= ~MODE_CFG_MASK;
6198 local->config.opmode |= MODE_AP;
6199 local->config.rmode &= ~RXMODE_FULL_MASK;
6200 local->config.scanMode = SCANMODE_ACTIVE;
6201 clear_bit (FLAG_802_11, &local->flags);
6202 break;
6203 case IW_MODE_REPEAT:
6204 local->config.opmode &= ~MODE_CFG_MASK;
6205 local->config.opmode |= MODE_AP_RPTR;
6206 local->config.rmode &= ~RXMODE_FULL_MASK;
6207 local->config.scanMode = SCANMODE_ACTIVE;
6208 clear_bit (FLAG_802_11, &local->flags);
6209 break;
6210 case IW_MODE_MONITOR:
6211 local->config.opmode &= ~MODE_CFG_MASK;
6212 local->config.opmode |= MODE_STA_ESS;
6213 local->config.rmode &= ~RXMODE_FULL_MASK;
6214 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6215 local->config.scanMode = SCANMODE_PASSIVE;
6216 set_bit (FLAG_802_11, &local->flags);
6217 break;
6218 default:
6219 return -EINVAL;
6220 }
6221 if (reset)
6222 set_bit (FLAG_RESET, &local->flags);
6223 set_bit (FLAG_COMMIT, &local->flags);
6224
6225 return -EINPROGRESS; /* Call commit handler */
6226 }
6227
6228 /*------------------------------------------------------------------*/
6229 /*
6230 * Wireless Handler : get Mode of Operation
6231 */
6232 static int airo_get_mode(struct net_device *dev,
6233 struct iw_request_info *info,
6234 __u32 *uwrq,
6235 char *extra)
6236 {
6237 struct airo_info *local = dev->priv;
6238
6239 readConfigRid(local, 1);
6240 /* If not managed, assume it's ad-hoc */
6241 switch (local->config.opmode & MODE_CFG_MASK) {
6242 case MODE_STA_ESS:
6243 *uwrq = IW_MODE_INFRA;
6244 break;
6245 case MODE_AP:
6246 *uwrq = IW_MODE_MASTER;
6247 break;
6248 case MODE_AP_RPTR:
6249 *uwrq = IW_MODE_REPEAT;
6250 break;
6251 default:
6252 *uwrq = IW_MODE_ADHOC;
6253 }
6254
6255 return 0;
6256 }
6257
6258 static inline int valid_index(CapabilityRid *p, int index)
6259 {
6260 if (index < 0)
6261 return 0;
6262 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6263 }
6264
6265 /*------------------------------------------------------------------*/
6266 /*
6267 * Wireless Handler : set Encryption Key
6268 */
6269 static int airo_set_encode(struct net_device *dev,
6270 struct iw_request_info *info,
6271 struct iw_point *dwrq,
6272 char *extra)
6273 {
6274 struct airo_info *local = dev->priv;
6275 CapabilityRid cap_rid; /* Card capability info */
6276 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6277 __le16 currentAuthType = local->config.authType;
6278
6279 /* Is WEP supported ? */
6280 readCapabilityRid(local, &cap_rid, 1);
6281 /* Older firmware doesn't support this...
6282 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6283 return -EOPNOTSUPP;
6284 } */
6285 readConfigRid(local, 1);
6286
6287 /* Basic checking: do we have a key to set ?
6288 * Note : with the new API, it's impossible to get a NULL pointer.
6289 * Therefore, we need to check a key size == 0 instead.
6290 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6291 * when no key is present (only change flags), but older versions
6292 * don't do it. - Jean II */
6293 if (dwrq->length > 0) {
6294 wep_key_t key;
6295 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6296 int current_index = get_wep_key(local, 0xffff);
6297 /* Check the size of the key */
6298 if (dwrq->length > MAX_KEY_SIZE) {
6299 return -EINVAL;
6300 }
6301 /* Check the index (none -> use current) */
6302 if (!valid_index(&cap_rid, index))
6303 index = current_index;
6304 /* Set the length */
6305 if (dwrq->length > MIN_KEY_SIZE)
6306 key.len = MAX_KEY_SIZE;
6307 else
6308 if (dwrq->length > 0)
6309 key.len = MIN_KEY_SIZE;
6310 else
6311 /* Disable the key */
6312 key.len = 0;
6313 /* Check if the key is not marked as invalid */
6314 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6315 /* Cleanup */
6316 memset(key.key, 0, MAX_KEY_SIZE);
6317 /* Copy the key in the driver */
6318 memcpy(key.key, extra, dwrq->length);
6319 /* Send the key to the card */
6320 set_wep_key(local, index, key.key, key.len, perm, 1);
6321 }
6322 /* WE specify that if a valid key is set, encryption
6323 * should be enabled (user may turn it off later)
6324 * This is also how "iwconfig ethX key on" works */
6325 if((index == current_index) && (key.len > 0) &&
6326 (local->config.authType == AUTH_OPEN)) {
6327 local->config.authType = AUTH_ENCRYPT;
6328 }
6329 } else {
6330 /* Do we want to just set the transmit key index ? */
6331 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6332 if (valid_index(&cap_rid, index)) {
6333 set_wep_key(local, index, NULL, 0, perm, 1);
6334 } else
6335 /* Don't complain if only change the mode */
6336 if (!(dwrq->flags & IW_ENCODE_MODE))
6337 return -EINVAL;
6338 }
6339 /* Read the flags */
6340 if(dwrq->flags & IW_ENCODE_DISABLED)
6341 local->config.authType = AUTH_OPEN; // disable encryption
6342 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6343 local->config.authType = AUTH_SHAREDKEY; // Only Both
6344 if(dwrq->flags & IW_ENCODE_OPEN)
6345 local->config.authType = AUTH_ENCRYPT; // Only Wep
6346 /* Commit the changes to flags if needed */
6347 if (local->config.authType != currentAuthType)
6348 set_bit (FLAG_COMMIT, &local->flags);
6349 return -EINPROGRESS; /* Call commit handler */
6350 }
6351
6352 /*------------------------------------------------------------------*/
6353 /*
6354 * Wireless Handler : get Encryption Key
6355 */
6356 static int airo_get_encode(struct net_device *dev,
6357 struct iw_request_info *info,
6358 struct iw_point *dwrq,
6359 char *extra)
6360 {
6361 struct airo_info *local = dev->priv;
6362 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6363 CapabilityRid cap_rid; /* Card capability info */
6364
6365 /* Is it supported ? */
6366 readCapabilityRid(local, &cap_rid, 1);
6367 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6368 return -EOPNOTSUPP;
6369 }
6370 readConfigRid(local, 1);
6371 /* Check encryption mode */
6372 switch(local->config.authType) {
6373 case AUTH_ENCRYPT:
6374 dwrq->flags = IW_ENCODE_OPEN;
6375 break;
6376 case AUTH_SHAREDKEY:
6377 dwrq->flags = IW_ENCODE_RESTRICTED;
6378 break;
6379 default:
6380 case AUTH_OPEN:
6381 dwrq->flags = IW_ENCODE_DISABLED;
6382 break;
6383 }
6384 /* We can't return the key, so set the proper flag and return zero */
6385 dwrq->flags |= IW_ENCODE_NOKEY;
6386 memset(extra, 0, 16);
6387
6388 /* Which key do we want ? -1 -> tx index */
6389 if (!valid_index(&cap_rid, index))
6390 index = get_wep_key(local, 0xffff);
6391 dwrq->flags |= index + 1;
6392 /* Copy the key to the user buffer */
6393 dwrq->length = get_wep_key(local, index);
6394 if (dwrq->length > 16) {
6395 dwrq->length=0;
6396 }
6397 return 0;
6398 }
6399
6400 /*------------------------------------------------------------------*/
6401 /*
6402 * Wireless Handler : set extended Encryption parameters
6403 */
6404 static int airo_set_encodeext(struct net_device *dev,
6405 struct iw_request_info *info,
6406 union iwreq_data *wrqu,
6407 char *extra)
6408 {
6409 struct airo_info *local = dev->priv;
6410 struct iw_point *encoding = &wrqu->encoding;
6411 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6412 CapabilityRid cap_rid; /* Card capability info */
6413 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6414 __le16 currentAuthType = local->config.authType;
6415 int idx, key_len, alg = ext->alg, set_key = 1;
6416 wep_key_t key;
6417
6418 /* Is WEP supported ? */
6419 readCapabilityRid(local, &cap_rid, 1);
6420 /* Older firmware doesn't support this...
6421 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6422 return -EOPNOTSUPP;
6423 } */
6424 readConfigRid(local, 1);
6425
6426 /* Determine and validate the key index */
6427 idx = encoding->flags & IW_ENCODE_INDEX;
6428 if (idx) {
6429 if (!valid_index(&cap_rid, idx - 1))
6430 return -EINVAL;
6431 idx--;
6432 } else
6433 idx = get_wep_key(local, 0xffff);
6434
6435 if (encoding->flags & IW_ENCODE_DISABLED)
6436 alg = IW_ENCODE_ALG_NONE;
6437
6438 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6439 /* Only set transmit key index here, actual
6440 * key is set below if needed.
6441 */
6442 set_wep_key(local, idx, NULL, 0, perm, 1);
6443 set_key = ext->key_len > 0 ? 1 : 0;
6444 }
6445
6446 if (set_key) {
6447 /* Set the requested key first */
6448 memset(key.key, 0, MAX_KEY_SIZE);
6449 switch (alg) {
6450 case IW_ENCODE_ALG_NONE:
6451 key.len = 0;
6452 break;
6453 case IW_ENCODE_ALG_WEP:
6454 if (ext->key_len > MIN_KEY_SIZE) {
6455 key.len = MAX_KEY_SIZE;
6456 } else if (ext->key_len > 0) {
6457 key.len = MIN_KEY_SIZE;
6458 } else {
6459 return -EINVAL;
6460 }
6461 key_len = min (ext->key_len, key.len);
6462 memcpy(key.key, ext->key, key_len);
6463 break;
6464 default:
6465 return -EINVAL;
6466 }
6467 /* Send the key to the card */
6468 set_wep_key(local, idx, key.key, key.len, perm, 1);
6469 }
6470
6471 /* Read the flags */
6472 if(encoding->flags & IW_ENCODE_DISABLED)
6473 local->config.authType = AUTH_OPEN; // disable encryption
6474 if(encoding->flags & IW_ENCODE_RESTRICTED)
6475 local->config.authType = AUTH_SHAREDKEY; // Only Both
6476 if(encoding->flags & IW_ENCODE_OPEN)
6477 local->config.authType = AUTH_ENCRYPT; // Only Wep
6478 /* Commit the changes to flags if needed */
6479 if (local->config.authType != currentAuthType)
6480 set_bit (FLAG_COMMIT, &local->flags);
6481
6482 return -EINPROGRESS;
6483 }
6484
6485
6486 /*------------------------------------------------------------------*/
6487 /*
6488 * Wireless Handler : get extended Encryption parameters
6489 */
6490 static int airo_get_encodeext(struct net_device *dev,
6491 struct iw_request_info *info,
6492 union iwreq_data *wrqu,
6493 char *extra)
6494 {
6495 struct airo_info *local = dev->priv;
6496 struct iw_point *encoding = &wrqu->encoding;
6497 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6498 CapabilityRid cap_rid; /* Card capability info */
6499 int idx, max_key_len;
6500
6501 /* Is it supported ? */
6502 readCapabilityRid(local, &cap_rid, 1);
6503 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6504 return -EOPNOTSUPP;
6505 }
6506 readConfigRid(local, 1);
6507
6508 max_key_len = encoding->length - sizeof(*ext);
6509 if (max_key_len < 0)
6510 return -EINVAL;
6511
6512 idx = encoding->flags & IW_ENCODE_INDEX;
6513 if (idx) {
6514 if (!valid_index(&cap_rid, idx - 1))
6515 return -EINVAL;
6516 idx--;
6517 } else
6518 idx = get_wep_key(local, 0xffff);
6519
6520 encoding->flags = idx + 1;
6521 memset(ext, 0, sizeof(*ext));
6522
6523 /* Check encryption mode */
6524 switch(local->config.authType) {
6525 case AUTH_ENCRYPT:
6526 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6527 break;
6528 case AUTH_SHAREDKEY:
6529 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6530 break;
6531 default:
6532 case AUTH_OPEN:
6533 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6534 break;
6535 }
6536 /* We can't return the key, so set the proper flag and return zero */
6537 encoding->flags |= IW_ENCODE_NOKEY;
6538 memset(extra, 0, 16);
6539
6540 /* Copy the key to the user buffer */
6541 ext->key_len = get_wep_key(local, idx);
6542 if (ext->key_len > 16) {
6543 ext->key_len=0;
6544 }
6545
6546 return 0;
6547 }
6548
6549
6550 /*------------------------------------------------------------------*/
6551 /*
6552 * Wireless Handler : set extended authentication parameters
6553 */
6554 static int airo_set_auth(struct net_device *dev,
6555 struct iw_request_info *info,
6556 union iwreq_data *wrqu, char *extra)
6557 {
6558 struct airo_info *local = dev->priv;
6559 struct iw_param *param = &wrqu->param;
6560 __le16 currentAuthType = local->config.authType;
6561
6562 switch (param->flags & IW_AUTH_INDEX) {
6563 case IW_AUTH_WPA_VERSION:
6564 case IW_AUTH_CIPHER_PAIRWISE:
6565 case IW_AUTH_CIPHER_GROUP:
6566 case IW_AUTH_KEY_MGMT:
6567 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6568 case IW_AUTH_PRIVACY_INVOKED:
6569 /*
6570 * airo does not use these parameters
6571 */
6572 break;
6573
6574 case IW_AUTH_DROP_UNENCRYPTED:
6575 if (param->value) {
6576 /* Only change auth type if unencrypted */
6577 if (currentAuthType == AUTH_OPEN)
6578 local->config.authType = AUTH_ENCRYPT;
6579 } else {
6580 local->config.authType = AUTH_OPEN;
6581 }
6582
6583 /* Commit the changes to flags if needed */
6584 if (local->config.authType != currentAuthType)
6585 set_bit (FLAG_COMMIT, &local->flags);
6586 break;
6587
6588 case IW_AUTH_80211_AUTH_ALG: {
6589 /* FIXME: What about AUTH_OPEN? This API seems to
6590 * disallow setting our auth to AUTH_OPEN.
6591 */
6592 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6593 local->config.authType = AUTH_SHAREDKEY;
6594 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6595 local->config.authType = AUTH_ENCRYPT;
6596 } else
6597 return -EINVAL;
6598 break;
6599
6600 /* Commit the changes to flags if needed */
6601 if (local->config.authType != currentAuthType)
6602 set_bit (FLAG_COMMIT, &local->flags);
6603 }
6604
6605 case IW_AUTH_WPA_ENABLED:
6606 /* Silently accept disable of WPA */
6607 if (param->value > 0)
6608 return -EOPNOTSUPP;
6609 break;
6610
6611 default:
6612 return -EOPNOTSUPP;
6613 }
6614 return -EINPROGRESS;
6615 }
6616
6617
6618 /*------------------------------------------------------------------*/
6619 /*
6620 * Wireless Handler : get extended authentication parameters
6621 */
6622 static int airo_get_auth(struct net_device *dev,
6623 struct iw_request_info *info,
6624 union iwreq_data *wrqu, char *extra)
6625 {
6626 struct airo_info *local = dev->priv;
6627 struct iw_param *param = &wrqu->param;
6628 __le16 currentAuthType = local->config.authType;
6629
6630 switch (param->flags & IW_AUTH_INDEX) {
6631 case IW_AUTH_DROP_UNENCRYPTED:
6632 switch (currentAuthType) {
6633 case AUTH_SHAREDKEY:
6634 case AUTH_ENCRYPT:
6635 param->value = 1;
6636 break;
6637 default:
6638 param->value = 0;
6639 break;
6640 }
6641 break;
6642
6643 case IW_AUTH_80211_AUTH_ALG:
6644 switch (currentAuthType) {
6645 case AUTH_SHAREDKEY:
6646 param->value = IW_AUTH_ALG_SHARED_KEY;
6647 break;
6648 case AUTH_ENCRYPT:
6649 default:
6650 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6651 break;
6652 }
6653 break;
6654
6655 case IW_AUTH_WPA_ENABLED:
6656 param->value = 0;
6657 break;
6658
6659 default:
6660 return -EOPNOTSUPP;
6661 }
6662 return 0;
6663 }
6664
6665
6666 /*------------------------------------------------------------------*/
6667 /*
6668 * Wireless Handler : set Tx-Power
6669 */
6670 static int airo_set_txpow(struct net_device *dev,
6671 struct iw_request_info *info,
6672 struct iw_param *vwrq,
6673 char *extra)
6674 {
6675 struct airo_info *local = dev->priv;
6676 CapabilityRid cap_rid; /* Card capability info */
6677 int i;
6678 int rc = -EINVAL;
6679 __le16 v = cpu_to_le16(vwrq->value);
6680
6681 readCapabilityRid(local, &cap_rid, 1);
6682
6683 if (vwrq->disabled) {
6684 set_bit (FLAG_RADIO_OFF, &local->flags);
6685 set_bit (FLAG_COMMIT, &local->flags);
6686 return -EINPROGRESS; /* Call commit handler */
6687 }
6688 if (vwrq->flags != IW_TXPOW_MWATT) {
6689 return -EINVAL;
6690 }
6691 clear_bit (FLAG_RADIO_OFF, &local->flags);
6692 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6693 if (v == cap_rid.txPowerLevels[i]) {
6694 readConfigRid(local, 1);
6695 local->config.txPower = v;
6696 set_bit (FLAG_COMMIT, &local->flags);
6697 rc = -EINPROGRESS; /* Call commit handler */
6698 break;
6699 }
6700 return rc;
6701 }
6702
6703 /*------------------------------------------------------------------*/
6704 /*
6705 * Wireless Handler : get Tx-Power
6706 */
6707 static int airo_get_txpow(struct net_device *dev,
6708 struct iw_request_info *info,
6709 struct iw_param *vwrq,
6710 char *extra)
6711 {
6712 struct airo_info *local = dev->priv;
6713
6714 readConfigRid(local, 1);
6715 vwrq->value = le16_to_cpu(local->config.txPower);
6716 vwrq->fixed = 1; /* No power control */
6717 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6718 vwrq->flags = IW_TXPOW_MWATT;
6719
6720 return 0;
6721 }
6722
6723 /*------------------------------------------------------------------*/
6724 /*
6725 * Wireless Handler : set Retry limits
6726 */
6727 static int airo_set_retry(struct net_device *dev,
6728 struct iw_request_info *info,
6729 struct iw_param *vwrq,
6730 char *extra)
6731 {
6732 struct airo_info *local = dev->priv;
6733 int rc = -EINVAL;
6734
6735 if(vwrq->disabled) {
6736 return -EINVAL;
6737 }
6738 readConfigRid(local, 1);
6739 if(vwrq->flags & IW_RETRY_LIMIT) {
6740 __le16 v = cpu_to_le16(vwrq->value);
6741 if(vwrq->flags & IW_RETRY_LONG)
6742 local->config.longRetryLimit = v;
6743 else if (vwrq->flags & IW_RETRY_SHORT)
6744 local->config.shortRetryLimit = v;
6745 else {
6746 /* No modifier : set both */
6747 local->config.longRetryLimit = v;
6748 local->config.shortRetryLimit = v;
6749 }
6750 set_bit (FLAG_COMMIT, &local->flags);
6751 rc = -EINPROGRESS; /* Call commit handler */
6752 }
6753 if(vwrq->flags & IW_RETRY_LIFETIME) {
6754 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6755 set_bit (FLAG_COMMIT, &local->flags);
6756 rc = -EINPROGRESS; /* Call commit handler */
6757 }
6758 return rc;
6759 }
6760
6761 /*------------------------------------------------------------------*/
6762 /*
6763 * Wireless Handler : get Retry limits
6764 */
6765 static int airo_get_retry(struct net_device *dev,
6766 struct iw_request_info *info,
6767 struct iw_param *vwrq,
6768 char *extra)
6769 {
6770 struct airo_info *local = dev->priv;
6771
6772 vwrq->disabled = 0; /* Can't be disabled */
6773
6774 readConfigRid(local, 1);
6775 /* Note : by default, display the min retry number */
6776 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6777 vwrq->flags = IW_RETRY_LIFETIME;
6778 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6779 } else if((vwrq->flags & IW_RETRY_LONG)) {
6780 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6781 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6782 } else {
6783 vwrq->flags = IW_RETRY_LIMIT;
6784 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6785 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6786 vwrq->flags |= IW_RETRY_SHORT;
6787 }
6788
6789 return 0;
6790 }
6791
6792 /*------------------------------------------------------------------*/
6793 /*
6794 * Wireless Handler : get range info
6795 */
6796 static int airo_get_range(struct net_device *dev,
6797 struct iw_request_info *info,
6798 struct iw_point *dwrq,
6799 char *extra)
6800 {
6801 struct airo_info *local = dev->priv;
6802 struct iw_range *range = (struct iw_range *) extra;
6803 CapabilityRid cap_rid; /* Card capability info */
6804 int i;
6805 int k;
6806
6807 readCapabilityRid(local, &cap_rid, 1);
6808
6809 dwrq->length = sizeof(struct iw_range);
6810 memset(range, 0, sizeof(*range));
6811 range->min_nwid = 0x0000;
6812 range->max_nwid = 0x0000;
6813 range->num_channels = 14;
6814 /* Should be based on cap_rid.country to give only
6815 * what the current card support */
6816 k = 0;
6817 for(i = 0; i < 14; i++) {
6818 range->freq[k].i = i + 1; /* List index */
6819 range->freq[k].m = frequency_list[i] * 100000;
6820 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6821 }
6822 range->num_frequency = k;
6823
6824 range->sensitivity = 65535;
6825
6826 /* Hum... Should put the right values there */
6827 if (local->rssi)
6828 range->max_qual.qual = 100; /* % */
6829 else
6830 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6831 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6832 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6833
6834 /* Experimental measurements - boundary 11/5.5 Mb/s */
6835 /* Note : with or without the (local->rssi), results
6836 * are somewhat different. - Jean II */
6837 if (local->rssi) {
6838 range->avg_qual.qual = 50; /* % */
6839 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6840 } else {
6841 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6842 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6843 }
6844 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6845
6846 for(i = 0 ; i < 8 ; i++) {
6847 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6848 if(range->bitrate[i] == 0)
6849 break;
6850 }
6851 range->num_bitrates = i;
6852
6853 /* Set an indication of the max TCP throughput
6854 * in bit/s that we can expect using this interface.
6855 * May be use for QoS stuff... Jean II */
6856 if(i > 2)
6857 range->throughput = 5000 * 1000;
6858 else
6859 range->throughput = 1500 * 1000;
6860
6861 range->min_rts = 0;
6862 range->max_rts = AIRO_DEF_MTU;
6863 range->min_frag = 256;
6864 range->max_frag = AIRO_DEF_MTU;
6865
6866 if(cap_rid.softCap & cpu_to_le16(2)) {
6867 // WEP: RC4 40 bits
6868 range->encoding_size[0] = 5;
6869 // RC4 ~128 bits
6870 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6871 range->encoding_size[1] = 13;
6872 range->num_encoding_sizes = 2;
6873 } else
6874 range->num_encoding_sizes = 1;
6875 range->max_encoding_tokens =
6876 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6877 } else {
6878 range->num_encoding_sizes = 0;
6879 range->max_encoding_tokens = 0;
6880 }
6881 range->min_pmp = 0;
6882 range->max_pmp = 5000000; /* 5 secs */
6883 range->min_pmt = 0;
6884 range->max_pmt = 65535 * 1024; /* ??? */
6885 range->pmp_flags = IW_POWER_PERIOD;
6886 range->pmt_flags = IW_POWER_TIMEOUT;
6887 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6888
6889 /* Transmit Power - values are in mW */
6890 for(i = 0 ; i < 8 ; i++) {
6891 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6892 if(range->txpower[i] == 0)
6893 break;
6894 }
6895 range->num_txpower = i;
6896 range->txpower_capa = IW_TXPOW_MWATT;
6897 range->we_version_source = 19;
6898 range->we_version_compiled = WIRELESS_EXT;
6899 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6900 range->retry_flags = IW_RETRY_LIMIT;
6901 range->r_time_flags = IW_RETRY_LIFETIME;
6902 range->min_retry = 1;
6903 range->max_retry = 65535;
6904 range->min_r_time = 1024;
6905 range->max_r_time = 65535 * 1024;
6906
6907 /* Event capability (kernel + driver) */
6908 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6909 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6910 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6911 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6912 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6913 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6914 return 0;
6915 }
6916
6917 /*------------------------------------------------------------------*/
6918 /*
6919 * Wireless Handler : set Power Management
6920 */
6921 static int airo_set_power(struct net_device *dev,
6922 struct iw_request_info *info,
6923 struct iw_param *vwrq,
6924 char *extra)
6925 {
6926 struct airo_info *local = dev->priv;
6927
6928 readConfigRid(local, 1);
6929 if (vwrq->disabled) {
6930 if (sniffing_mode(local))
6931 return -EINVAL;
6932 local->config.powerSaveMode = POWERSAVE_CAM;
6933 local->config.rmode &= ~RXMODE_MASK;
6934 local->config.rmode |= RXMODE_BC_MC_ADDR;
6935 set_bit (FLAG_COMMIT, &local->flags);
6936 return -EINPROGRESS; /* Call commit handler */
6937 }
6938 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6939 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
6940 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6941 set_bit (FLAG_COMMIT, &local->flags);
6942 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6943 local->config.fastListenInterval =
6944 local->config.listenInterval =
6945 cpu_to_le16((vwrq->value + 500) / 1024);
6946 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6947 set_bit (FLAG_COMMIT, &local->flags);
6948 }
6949 switch (vwrq->flags & IW_POWER_MODE) {
6950 case IW_POWER_UNICAST_R:
6951 if (sniffing_mode(local))
6952 return -EINVAL;
6953 local->config.rmode &= ~RXMODE_MASK;
6954 local->config.rmode |= RXMODE_ADDR;
6955 set_bit (FLAG_COMMIT, &local->flags);
6956 break;
6957 case IW_POWER_ALL_R:
6958 if (sniffing_mode(local))
6959 return -EINVAL;
6960 local->config.rmode &= ~RXMODE_MASK;
6961 local->config.rmode |= RXMODE_BC_MC_ADDR;
6962 set_bit (FLAG_COMMIT, &local->flags);
6963 case IW_POWER_ON:
6964 /* This is broken, fixme ;-) */
6965 break;
6966 default:
6967 return -EINVAL;
6968 }
6969 // Note : we may want to factor local->need_commit here
6970 // Note2 : may also want to factor RXMODE_RFMON test
6971 return -EINPROGRESS; /* Call commit handler */
6972 }
6973
6974 /*------------------------------------------------------------------*/
6975 /*
6976 * Wireless Handler : get Power Management
6977 */
6978 static int airo_get_power(struct net_device *dev,
6979 struct iw_request_info *info,
6980 struct iw_param *vwrq,
6981 char *extra)
6982 {
6983 struct airo_info *local = dev->priv;
6984 __le16 mode;
6985
6986 readConfigRid(local, 1);
6987 mode = local->config.powerSaveMode;
6988 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6989 return 0;
6990 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6991 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
6992 vwrq->flags = IW_POWER_TIMEOUT;
6993 } else {
6994 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
6995 vwrq->flags = IW_POWER_PERIOD;
6996 }
6997 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
6998 vwrq->flags |= IW_POWER_UNICAST_R;
6999 else
7000 vwrq->flags |= IW_POWER_ALL_R;
7001
7002 return 0;
7003 }
7004
7005 /*------------------------------------------------------------------*/
7006 /*
7007 * Wireless Handler : set Sensitivity
7008 */
7009 static int airo_set_sens(struct net_device *dev,
7010 struct iw_request_info *info,
7011 struct iw_param *vwrq,
7012 char *extra)
7013 {
7014 struct airo_info *local = dev->priv;
7015
7016 readConfigRid(local, 1);
7017 local->config.rssiThreshold =
7018 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7019 set_bit (FLAG_COMMIT, &local->flags);
7020
7021 return -EINPROGRESS; /* Call commit handler */
7022 }
7023
7024 /*------------------------------------------------------------------*/
7025 /*
7026 * Wireless Handler : get Sensitivity
7027 */
7028 static int airo_get_sens(struct net_device *dev,
7029 struct iw_request_info *info,
7030 struct iw_param *vwrq,
7031 char *extra)
7032 {
7033 struct airo_info *local = dev->priv;
7034
7035 readConfigRid(local, 1);
7036 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7037 vwrq->disabled = (vwrq->value == 0);
7038 vwrq->fixed = 1;
7039
7040 return 0;
7041 }
7042
7043 /*------------------------------------------------------------------*/
7044 /*
7045 * Wireless Handler : get AP List
7046 * Note : this is deprecated in favor of IWSCAN
7047 */
7048 static int airo_get_aplist(struct net_device *dev,
7049 struct iw_request_info *info,
7050 struct iw_point *dwrq,
7051 char *extra)
7052 {
7053 struct airo_info *local = dev->priv;
7054 struct sockaddr *address = (struct sockaddr *) extra;
7055 struct iw_quality qual[IW_MAX_AP];
7056 BSSListRid BSSList;
7057 int i;
7058 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7059
7060 for (i = 0; i < IW_MAX_AP; i++) {
7061 u16 dBm;
7062 if (readBSSListRid(local, loseSync, &BSSList))
7063 break;
7064 loseSync = 0;
7065 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7066 address[i].sa_family = ARPHRD_ETHER;
7067 dBm = le16_to_cpu(BSSList.dBm);
7068 if (local->rssi) {
7069 qual[i].level = 0x100 - dBm;
7070 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7071 qual[i].updated = IW_QUAL_QUAL_UPDATED
7072 | IW_QUAL_LEVEL_UPDATED
7073 | IW_QUAL_DBM;
7074 } else {
7075 qual[i].level = (dBm + 321) / 2;
7076 qual[i].qual = 0;
7077 qual[i].updated = IW_QUAL_QUAL_INVALID
7078 | IW_QUAL_LEVEL_UPDATED
7079 | IW_QUAL_DBM;
7080 }
7081 qual[i].noise = local->wstats.qual.noise;
7082 if (BSSList.index == cpu_to_le16(0xffff))
7083 break;
7084 }
7085 if (!i) {
7086 StatusRid status_rid; /* Card status info */
7087 readStatusRid(local, &status_rid, 1);
7088 for (i = 0;
7089 i < min(IW_MAX_AP, 4) &&
7090 (status_rid.bssid[i][0]
7091 & status_rid.bssid[i][1]
7092 & status_rid.bssid[i][2]
7093 & status_rid.bssid[i][3]
7094 & status_rid.bssid[i][4]
7095 & status_rid.bssid[i][5])!=0xff &&
7096 (status_rid.bssid[i][0]
7097 | status_rid.bssid[i][1]
7098 | status_rid.bssid[i][2]
7099 | status_rid.bssid[i][3]
7100 | status_rid.bssid[i][4]
7101 | status_rid.bssid[i][5]);
7102 i++) {
7103 memcpy(address[i].sa_data,
7104 status_rid.bssid[i], ETH_ALEN);
7105 address[i].sa_family = ARPHRD_ETHER;
7106 }
7107 } else {
7108 dwrq->flags = 1; /* Should be define'd */
7109 memcpy(extra + sizeof(struct sockaddr)*i,
7110 &qual, sizeof(struct iw_quality)*i);
7111 }
7112 dwrq->length = i;
7113
7114 return 0;
7115 }
7116
7117 /*------------------------------------------------------------------*/
7118 /*
7119 * Wireless Handler : Initiate Scan
7120 */
7121 static int airo_set_scan(struct net_device *dev,
7122 struct iw_request_info *info,
7123 struct iw_param *vwrq,
7124 char *extra)
7125 {
7126 struct airo_info *ai = dev->priv;
7127 Cmd cmd;
7128 Resp rsp;
7129 int wake = 0;
7130
7131 /* Note : you may have realised that, as this is a SET operation,
7132 * this is privileged and therefore a normal user can't
7133 * perform scanning.
7134 * This is not an error, while the device perform scanning,
7135 * traffic doesn't flow, so it's a perfect DoS...
7136 * Jean II */
7137 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7138
7139 if (down_interruptible(&ai->sem))
7140 return -ERESTARTSYS;
7141
7142 /* If there's already a scan in progress, don't
7143 * trigger another one. */
7144 if (ai->scan_timeout > 0)
7145 goto out;
7146
7147 /* Initiate a scan command */
7148 ai->scan_timeout = RUN_AT(3*HZ);
7149 memset(&cmd, 0, sizeof(cmd));
7150 cmd.cmd=CMD_LISTBSS;
7151 issuecommand(ai, &cmd, &rsp);
7152 wake = 1;
7153
7154 out:
7155 up(&ai->sem);
7156 if (wake)
7157 wake_up_interruptible(&ai->thr_wait);
7158 return 0;
7159 }
7160
7161 /*------------------------------------------------------------------*/
7162 /*
7163 * Translate scan data returned from the card to a card independent
7164 * format that the Wireless Tools will understand - Jean II
7165 */
7166 static inline char *airo_translate_scan(struct net_device *dev,
7167 char *current_ev,
7168 char *end_buf,
7169 BSSListRid *bss)
7170 {
7171 struct airo_info *ai = dev->priv;
7172 struct iw_event iwe; /* Temporary buffer */
7173 __le16 capabilities;
7174 char * current_val; /* For rates */
7175 int i;
7176 char * buf;
7177 u16 dBm;
7178
7179 /* First entry *MUST* be the AP MAC address */
7180 iwe.cmd = SIOCGIWAP;
7181 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7182 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7183 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7184
7185 /* Other entries will be displayed in the order we give them */
7186
7187 /* Add the ESSID */
7188 iwe.u.data.length = bss->ssidLen;
7189 if(iwe.u.data.length > 32)
7190 iwe.u.data.length = 32;
7191 iwe.cmd = SIOCGIWESSID;
7192 iwe.u.data.flags = 1;
7193 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7194
7195 /* Add mode */
7196 iwe.cmd = SIOCGIWMODE;
7197 capabilities = bss->cap;
7198 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7199 if(capabilities & CAP_ESS)
7200 iwe.u.mode = IW_MODE_MASTER;
7201 else
7202 iwe.u.mode = IW_MODE_ADHOC;
7203 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7204 }
7205
7206 /* Add frequency */
7207 iwe.cmd = SIOCGIWFREQ;
7208 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7209 /* iwe.u.freq.m containt the channel (starting 1), our
7210 * frequency_list array start at index 0...
7211 */
7212 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7213 iwe.u.freq.e = 1;
7214 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7215
7216 dBm = le16_to_cpu(bss->dBm);
7217
7218 /* Add quality statistics */
7219 iwe.cmd = IWEVQUAL;
7220 if (ai->rssi) {
7221 iwe.u.qual.level = 0x100 - dBm;
7222 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7223 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7224 | IW_QUAL_LEVEL_UPDATED
7225 | IW_QUAL_DBM;
7226 } else {
7227 iwe.u.qual.level = (dBm + 321) / 2;
7228 iwe.u.qual.qual = 0;
7229 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7230 | IW_QUAL_LEVEL_UPDATED
7231 | IW_QUAL_DBM;
7232 }
7233 iwe.u.qual.noise = ai->wstats.qual.noise;
7234 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7235
7236 /* Add encryption capability */
7237 iwe.cmd = SIOCGIWENCODE;
7238 if(capabilities & CAP_PRIVACY)
7239 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7240 else
7241 iwe.u.data.flags = IW_ENCODE_DISABLED;
7242 iwe.u.data.length = 0;
7243 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7244
7245 /* Rate : stuffing multiple values in a single event require a bit
7246 * more of magic - Jean II */
7247 current_val = current_ev + IW_EV_LCP_LEN;
7248
7249 iwe.cmd = SIOCGIWRATE;
7250 /* Those two flags are ignored... */
7251 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7252 /* Max 8 values */
7253 for(i = 0 ; i < 8 ; i++) {
7254 /* NULL terminated */
7255 if(bss->rates[i] == 0)
7256 break;
7257 /* Bit rate given in 500 kb/s units (+ 0x80) */
7258 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7259 /* Add new value to event */
7260 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7261 }
7262 /* Check if we added any event */
7263 if((current_val - current_ev) > IW_EV_LCP_LEN)
7264 current_ev = current_val;
7265
7266 /* Beacon interval */
7267 buf = kmalloc(30, GFP_KERNEL);
7268 if (buf) {
7269 iwe.cmd = IWEVCUSTOM;
7270 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7271 iwe.u.data.length = strlen(buf);
7272 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7273 kfree(buf);
7274 }
7275
7276 /* Put WPA/RSN Information Elements into the event stream */
7277 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7278 unsigned int num_null_ies = 0;
7279 u16 length = sizeof (bss->extra.iep);
7280 struct ieee80211_info_element *info_element =
7281 (struct ieee80211_info_element *) &bss->extra.iep;
7282
7283 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7284 if (sizeof(*info_element) + info_element->len > length) {
7285 /* Invalid element, don't continue parsing IE */
7286 break;
7287 }
7288
7289 switch (info_element->id) {
7290 case MFIE_TYPE_SSID:
7291 /* Two zero-length SSID elements
7292 * mean we're done parsing elements */
7293 if (!info_element->len)
7294 num_null_ies++;
7295 break;
7296
7297 case MFIE_TYPE_GENERIC:
7298 if (info_element->len >= 4 &&
7299 info_element->data[0] == 0x00 &&
7300 info_element->data[1] == 0x50 &&
7301 info_element->data[2] == 0xf2 &&
7302 info_element->data[3] == 0x01) {
7303 iwe.cmd = IWEVGENIE;
7304 iwe.u.data.length = min(info_element->len + 2,
7305 MAX_WPA_IE_LEN);
7306 current_ev = iwe_stream_add_point(current_ev, end_buf,
7307 &iwe, (char *) info_element);
7308 }
7309 break;
7310
7311 case MFIE_TYPE_RSN:
7312 iwe.cmd = IWEVGENIE;
7313 iwe.u.data.length = min(info_element->len + 2,
7314 MAX_WPA_IE_LEN);
7315 current_ev = iwe_stream_add_point(current_ev, end_buf,
7316 &iwe, (char *) info_element);
7317 break;
7318
7319 default:
7320 break;
7321 }
7322
7323 length -= sizeof(*info_element) + info_element->len;
7324 info_element =
7325 (struct ieee80211_info_element *)&info_element->
7326 data[info_element->len];
7327 }
7328 }
7329 return current_ev;
7330 }
7331
7332 /*------------------------------------------------------------------*/
7333 /*
7334 * Wireless Handler : Read Scan Results
7335 */
7336 static int airo_get_scan(struct net_device *dev,
7337 struct iw_request_info *info,
7338 struct iw_point *dwrq,
7339 char *extra)
7340 {
7341 struct airo_info *ai = dev->priv;
7342 BSSListElement *net;
7343 int err = 0;
7344 char *current_ev = extra;
7345
7346 /* If a scan is in-progress, return -EAGAIN */
7347 if (ai->scan_timeout > 0)
7348 return -EAGAIN;
7349
7350 if (down_interruptible(&ai->sem))
7351 return -EAGAIN;
7352
7353 list_for_each_entry (net, &ai->network_list, list) {
7354 /* Translate to WE format this entry */
7355 current_ev = airo_translate_scan(dev, current_ev,
7356 extra + dwrq->length,
7357 &net->bss);
7358
7359 /* Check if there is space for one more entry */
7360 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7361 /* Ask user space to try again with a bigger buffer */
7362 err = -E2BIG;
7363 goto out;
7364 }
7365 }
7366
7367 /* Length of data */
7368 dwrq->length = (current_ev - extra);
7369 dwrq->flags = 0; /* todo */
7370
7371 out:
7372 up(&ai->sem);
7373 return err;
7374 }
7375
7376 /*------------------------------------------------------------------*/
7377 /*
7378 * Commit handler : called after a bunch of SET operations
7379 */
7380 static int airo_config_commit(struct net_device *dev,
7381 struct iw_request_info *info, /* NULL */
7382 void *zwrq, /* NULL */
7383 char *extra) /* NULL */
7384 {
7385 struct airo_info *local = dev->priv;
7386
7387 if (!test_bit (FLAG_COMMIT, &local->flags))
7388 return 0;
7389
7390 /* Some of the "SET" function may have modified some of the
7391 * parameters. It's now time to commit them in the card */
7392 disable_MAC(local, 1);
7393 if (test_bit (FLAG_RESET, &local->flags)) {
7394 APListRid APList_rid;
7395 SsidRid SSID_rid;
7396
7397 readAPListRid(local, &APList_rid);
7398 readSsidRid(local, &SSID_rid);
7399 if (test_bit(FLAG_MPI,&local->flags))
7400 setup_card(local, dev->dev_addr, 1 );
7401 else
7402 reset_airo_card(dev);
7403 disable_MAC(local, 1);
7404 writeSsidRid(local, &SSID_rid, 1);
7405 writeAPListRid(local, &APList_rid, 1);
7406 }
7407 if (down_interruptible(&local->sem))
7408 return -ERESTARTSYS;
7409 writeConfigRid(local, 0);
7410 enable_MAC(local, 0);
7411 if (test_bit (FLAG_RESET, &local->flags))
7412 airo_set_promisc(local);
7413 else
7414 up(&local->sem);
7415
7416 return 0;
7417 }
7418
7419 /*------------------------------------------------------------------*/
7420 /*
7421 * Structures to export the Wireless Handlers
7422 */
7423
7424 static const struct iw_priv_args airo_private_args[] = {
7425 /*{ cmd, set_args, get_args, name } */
7426 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7427 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7428 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7429 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7430 };
7431
7432 static const iw_handler airo_handler[] =
7433 {
7434 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7435 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7436 (iw_handler) NULL, /* SIOCSIWNWID */
7437 (iw_handler) NULL, /* SIOCGIWNWID */
7438 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7439 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7440 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7441 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7442 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7443 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7444 (iw_handler) NULL, /* SIOCSIWRANGE */
7445 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7446 (iw_handler) NULL, /* SIOCSIWPRIV */
7447 (iw_handler) NULL, /* SIOCGIWPRIV */
7448 (iw_handler) NULL, /* SIOCSIWSTATS */
7449 (iw_handler) NULL, /* SIOCGIWSTATS */
7450 iw_handler_set_spy, /* SIOCSIWSPY */
7451 iw_handler_get_spy, /* SIOCGIWSPY */
7452 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7453 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7454 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7455 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7456 (iw_handler) NULL, /* -- hole -- */
7457 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7458 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7459 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7460 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7461 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7462 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7463 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7464 (iw_handler) NULL, /* -- hole -- */
7465 (iw_handler) NULL, /* -- hole -- */
7466 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7467 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7468 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7469 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7470 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7471 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7472 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7473 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7474 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7475 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7476 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7477 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7478 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7479 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7480 (iw_handler) NULL, /* -- hole -- */
7481 (iw_handler) NULL, /* -- hole -- */
7482 (iw_handler) NULL, /* SIOCSIWGENIE */
7483 (iw_handler) NULL, /* SIOCGIWGENIE */
7484 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7485 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7486 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7487 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7488 (iw_handler) NULL, /* SIOCSIWPMKSA */
7489 };
7490
7491 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7492 * We want to force the use of the ioctl code, because those can't be
7493 * won't work the iw_handler code (because they simultaneously read
7494 * and write data and iw_handler can't do that).
7495 * Note that it's perfectly legal to read/write on a single ioctl command,
7496 * you just can't use iwpriv and need to force it via the ioctl handler.
7497 * Jean II */
7498 static const iw_handler airo_private_handler[] =
7499 {
7500 NULL, /* SIOCIWFIRSTPRIV */
7501 };
7502
7503 static const struct iw_handler_def airo_handler_def =
7504 {
7505 .num_standard = ARRAY_SIZE(airo_handler),
7506 .num_private = ARRAY_SIZE(airo_private_handler),
7507 .num_private_args = ARRAY_SIZE(airo_private_args),
7508 .standard = airo_handler,
7509 .private = airo_private_handler,
7510 .private_args = airo_private_args,
7511 .get_wireless_stats = airo_get_wireless_stats,
7512 };
7513
7514 /*
7515 * This defines the configuration part of the Wireless Extensions
7516 * Note : irq and spinlock protection will occur in the subroutines
7517 *
7518 * TODO :
7519 * o Check input value more carefully and fill correct values in range
7520 * o Test and shakeout the bugs (if any)
7521 *
7522 * Jean II
7523 *
7524 * Javier Achirica did a great job of merging code from the unnamed CISCO
7525 * developer that added support for flashing the card.
7526 */
7527 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7528 {
7529 int rc = 0;
7530 struct airo_info *ai = (struct airo_info *)dev->priv;
7531
7532 if (ai->power.event)
7533 return 0;
7534
7535 switch (cmd) {
7536 #ifdef CISCO_EXT
7537 case AIROIDIFC:
7538 #ifdef AIROOLDIDIFC
7539 case AIROOLDIDIFC:
7540 #endif
7541 {
7542 int val = AIROMAGIC;
7543 aironet_ioctl com;
7544 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7545 rc = -EFAULT;
7546 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7547 rc = -EFAULT;
7548 }
7549 break;
7550
7551 case AIROIOCTL:
7552 #ifdef AIROOLDIOCTL
7553 case AIROOLDIOCTL:
7554 #endif
7555 /* Get the command struct and hand it off for evaluation by
7556 * the proper subfunction
7557 */
7558 {
7559 aironet_ioctl com;
7560 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7561 rc = -EFAULT;
7562 break;
7563 }
7564
7565 /* Separate R/W functions bracket legality here
7566 */
7567 if ( com.command == AIRORSWVERSION ) {
7568 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7569 rc = -EFAULT;
7570 else
7571 rc = 0;
7572 }
7573 else if ( com.command <= AIRORRID)
7574 rc = readrids(dev,&com);
7575 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7576 rc = writerids(dev,&com);
7577 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7578 rc = flashcard(dev,&com);
7579 else
7580 rc = -EINVAL; /* Bad command in ioctl */
7581 }
7582 break;
7583 #endif /* CISCO_EXT */
7584
7585 // All other calls are currently unsupported
7586 default:
7587 rc = -EOPNOTSUPP;
7588 }
7589 return rc;
7590 }
7591
7592 /*
7593 * Get the Wireless stats out of the driver
7594 * Note : irq and spinlock protection will occur in the subroutines
7595 *
7596 * TODO :
7597 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7598 *
7599 * Jean
7600 */
7601 static void airo_read_wireless_stats(struct airo_info *local)
7602 {
7603 StatusRid status_rid;
7604 StatsRid stats_rid;
7605 CapabilityRid cap_rid;
7606 __le32 *vals = stats_rid.vals;
7607
7608 /* Get stats out of the card */
7609 clear_bit(JOB_WSTATS, &local->jobs);
7610 if (local->power.event) {
7611 up(&local->sem);
7612 return;
7613 }
7614 readCapabilityRid(local, &cap_rid, 0);
7615 readStatusRid(local, &status_rid, 0);
7616 readStatsRid(local, &stats_rid, RID_STATS, 0);
7617 up(&local->sem);
7618
7619 /* The status */
7620 local->wstats.status = le16_to_cpu(status_rid.mode);
7621
7622 /* Signal quality and co */
7623 if (local->rssi) {
7624 local->wstats.qual.level =
7625 airo_rssi_to_dbm(local->rssi,
7626 le16_to_cpu(status_rid.sigQuality));
7627 /* normalizedSignalStrength appears to be a percentage */
7628 local->wstats.qual.qual =
7629 le16_to_cpu(status_rid.normalizedSignalStrength);
7630 } else {
7631 local->wstats.qual.level =
7632 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7633 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7634 }
7635 if (le16_to_cpu(status_rid.len) >= 124) {
7636 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7637 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7638 } else {
7639 local->wstats.qual.noise = 0;
7640 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7641 }
7642
7643 /* Packets discarded in the wireless adapter due to wireless
7644 * specific problems */
7645 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7646 le32_to_cpu(vals[57]) +
7647 le32_to_cpu(vals[58]); /* SSID Mismatch */
7648 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7649 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7650 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7651 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7652 le32_to_cpu(vals[32]);
7653 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7654 }
7655
7656 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7657 {
7658 struct airo_info *local = dev->priv;
7659
7660 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7661 /* Get stats out of the card if available */
7662 if (down_trylock(&local->sem) != 0) {
7663 set_bit(JOB_WSTATS, &local->jobs);
7664 wake_up_interruptible(&local->thr_wait);
7665 } else
7666 airo_read_wireless_stats(local);
7667 }
7668
7669 return &local->wstats;
7670 }
7671
7672 #ifdef CISCO_EXT
7673 /*
7674 * This just translates from driver IOCTL codes to the command codes to
7675 * feed to the radio's host interface. Things can be added/deleted
7676 * as needed. This represents the READ side of control I/O to
7677 * the card
7678 */
7679 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7680 unsigned short ridcode;
7681 unsigned char *iobuf;
7682 int len;
7683 struct airo_info *ai = dev->priv;
7684
7685 if (test_bit(FLAG_FLASHING, &ai->flags))
7686 return -EIO;
7687
7688 switch(comp->command)
7689 {
7690 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7691 case AIROGCFG: ridcode = RID_CONFIG;
7692 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7693 disable_MAC (ai, 1);
7694 writeConfigRid (ai, 1);
7695 enable_MAC(ai, 1);
7696 }
7697 break;
7698 case AIROGSLIST: ridcode = RID_SSID; break;
7699 case AIROGVLIST: ridcode = RID_APLIST; break;
7700 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7701 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7702 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7703 /* Only super-user can read WEP keys */
7704 if (!capable(CAP_NET_ADMIN))
7705 return -EPERM;
7706 break;
7707 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7708 /* Only super-user can read WEP keys */
7709 if (!capable(CAP_NET_ADMIN))
7710 return -EPERM;
7711 break;
7712 case AIROGSTAT: ridcode = RID_STATUS; break;
7713 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7714 case AIROGSTATSC32: ridcode = RID_STATS; break;
7715 case AIROGMICSTATS:
7716 if (copy_to_user(comp->data, &ai->micstats,
7717 min((int)comp->len,(int)sizeof(ai->micstats))))
7718 return -EFAULT;
7719 return 0;
7720 case AIRORRID: ridcode = comp->ridnum; break;
7721 default:
7722 return -EINVAL;
7723 break;
7724 }
7725
7726 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7727 return -ENOMEM;
7728
7729 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7730 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7731 * then return it to the user
7732 * 9/22/2000 Honor user given length
7733 */
7734 len = comp->len;
7735
7736 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7737 kfree (iobuf);
7738 return -EFAULT;
7739 }
7740 kfree (iobuf);
7741 return 0;
7742 }
7743
7744 /*
7745 * Danger Will Robinson write the rids here
7746 */
7747
7748 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7749 struct airo_info *ai = dev->priv;
7750 int ridcode;
7751 int enabled;
7752 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7753 unsigned char *iobuf;
7754
7755 /* Only super-user can write RIDs */
7756 if (!capable(CAP_NET_ADMIN))
7757 return -EPERM;
7758
7759 if (test_bit(FLAG_FLASHING, &ai->flags))
7760 return -EIO;
7761
7762 ridcode = 0;
7763 writer = do_writerid;
7764
7765 switch(comp->command)
7766 {
7767 case AIROPSIDS: ridcode = RID_SSID; break;
7768 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7769 case AIROPAPLIST: ridcode = RID_APLIST; break;
7770 case AIROPCFG: ai->config.len = 0;
7771 clear_bit(FLAG_COMMIT, &ai->flags);
7772 ridcode = RID_CONFIG; break;
7773 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7774 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7775 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7776 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7777 break;
7778 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7779 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7780
7781 /* this is not really a rid but a command given to the card
7782 * same with MAC off
7783 */
7784 case AIROPMACON:
7785 if (enable_MAC(ai, 1) != 0)
7786 return -EIO;
7787 return 0;
7788
7789 /*
7790 * Evidently this code in the airo driver does not get a symbol
7791 * as disable_MAC. it's probably so short the compiler does not gen one.
7792 */
7793 case AIROPMACOFF:
7794 disable_MAC(ai, 1);
7795 return 0;
7796
7797 /* This command merely clears the counts does not actually store any data
7798 * only reads rid. But as it changes the cards state, I put it in the
7799 * writerid routines.
7800 */
7801 case AIROPSTCLR:
7802 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7803 return -ENOMEM;
7804
7805 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7806
7807 enabled = ai->micstats.enabled;
7808 memset(&ai->micstats,0,sizeof(ai->micstats));
7809 ai->micstats.enabled = enabled;
7810
7811 if (copy_to_user(comp->data, iobuf,
7812 min((int)comp->len, (int)RIDSIZE))) {
7813 kfree (iobuf);
7814 return -EFAULT;
7815 }
7816 kfree (iobuf);
7817 return 0;
7818
7819 default:
7820 return -EOPNOTSUPP; /* Blarg! */
7821 }
7822 if(comp->len > RIDSIZE)
7823 return -EINVAL;
7824
7825 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7826 return -ENOMEM;
7827
7828 if (copy_from_user(iobuf,comp->data,comp->len)) {
7829 kfree (iobuf);
7830 return -EFAULT;
7831 }
7832
7833 if (comp->command == AIROPCFG) {
7834 ConfigRid *cfg = (ConfigRid *)iobuf;
7835
7836 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7837 cfg->opmode |= MODE_MIC;
7838
7839 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7840 set_bit (FLAG_ADHOC, &ai->flags);
7841 else
7842 clear_bit (FLAG_ADHOC, &ai->flags);
7843 }
7844
7845 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7846 kfree (iobuf);
7847 return -EIO;
7848 }
7849 kfree (iobuf);
7850 return 0;
7851 }
7852
7853 /*****************************************************************************
7854 * Ancillary flash / mod functions much black magic lurkes here *
7855 *****************************************************************************
7856 */
7857
7858 /*
7859 * Flash command switch table
7860 */
7861
7862 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7863 int z;
7864
7865 /* Only super-user can modify flash */
7866 if (!capable(CAP_NET_ADMIN))
7867 return -EPERM;
7868
7869 switch(comp->command)
7870 {
7871 case AIROFLSHRST:
7872 return cmdreset((struct airo_info *)dev->priv);
7873
7874 case AIROFLSHSTFL:
7875 if (!((struct airo_info *)dev->priv)->flash &&
7876 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7877 return -ENOMEM;
7878 return setflashmode((struct airo_info *)dev->priv);
7879
7880 case AIROFLSHGCHR: /* Get char from aux */
7881 if(comp->len != sizeof(int))
7882 return -EINVAL;
7883 if (copy_from_user(&z,comp->data,comp->len))
7884 return -EFAULT;
7885 return flashgchar((struct airo_info *)dev->priv,z,8000);
7886
7887 case AIROFLSHPCHR: /* Send char to card. */
7888 if(comp->len != sizeof(int))
7889 return -EINVAL;
7890 if (copy_from_user(&z,comp->data,comp->len))
7891 return -EFAULT;
7892 return flashpchar((struct airo_info *)dev->priv,z,8000);
7893
7894 case AIROFLPUTBUF: /* Send 32k to card */
7895 if (!((struct airo_info *)dev->priv)->flash)
7896 return -ENOMEM;
7897 if(comp->len > FLASHSIZE)
7898 return -EINVAL;
7899 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7900 return -EFAULT;
7901
7902 flashputbuf((struct airo_info *)dev->priv);
7903 return 0;
7904
7905 case AIRORESTART:
7906 if(flashrestart((struct airo_info *)dev->priv,dev))
7907 return -EIO;
7908 return 0;
7909 }
7910 return -EINVAL;
7911 }
7912
7913 #define FLASH_COMMAND 0x7e7e
7914
7915 /*
7916 * STEP 1)
7917 * Disable MAC and do soft reset on
7918 * card.
7919 */
7920
7921 static int cmdreset(struct airo_info *ai) {
7922 disable_MAC(ai, 1);
7923
7924 if(!waitbusy (ai)){
7925 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7926 return -EBUSY;
7927 }
7928
7929 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7930
7931 ssleep(1); /* WAS 600 12/7/00 */
7932
7933 if(!waitbusy (ai)){
7934 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7935 return -EBUSY;
7936 }
7937 return 0;
7938 }
7939
7940 /* STEP 2)
7941 * Put the card in legendary flash
7942 * mode
7943 */
7944
7945 static int setflashmode (struct airo_info *ai) {
7946 set_bit (FLAG_FLASHING, &ai->flags);
7947
7948 OUT4500(ai, SWS0, FLASH_COMMAND);
7949 OUT4500(ai, SWS1, FLASH_COMMAND);
7950 if (probe) {
7951 OUT4500(ai, SWS0, FLASH_COMMAND);
7952 OUT4500(ai, COMMAND,0x10);
7953 } else {
7954 OUT4500(ai, SWS2, FLASH_COMMAND);
7955 OUT4500(ai, SWS3, FLASH_COMMAND);
7956 OUT4500(ai, COMMAND,0);
7957 }
7958 msleep(500); /* 500ms delay */
7959
7960 if(!waitbusy(ai)) {
7961 clear_bit (FLAG_FLASHING, &ai->flags);
7962 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7963 return -EIO;
7964 }
7965 return 0;
7966 }
7967
7968 /* Put character to SWS0 wait for dwelltime
7969 * x 50us for echo .
7970 */
7971
7972 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7973 int echo;
7974 int waittime;
7975
7976 byte |= 0x8000;
7977
7978 if(dwelltime == 0 )
7979 dwelltime = 200;
7980
7981 waittime=dwelltime;
7982
7983 /* Wait for busy bit d15 to go false indicating buffer empty */
7984 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7985 udelay (50);
7986 waittime -= 50;
7987 }
7988
7989 /* timeout for busy clear wait */
7990 if(waittime <= 0 ){
7991 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
7992 return -EBUSY;
7993 }
7994
7995 /* Port is clear now write byte and wait for it to echo back */
7996 do {
7997 OUT4500(ai,SWS0,byte);
7998 udelay(50);
7999 dwelltime -= 50;
8000 echo = IN4500(ai,SWS1);
8001 } while (dwelltime >= 0 && echo != byte);
8002
8003 OUT4500(ai,SWS1,0);
8004
8005 return (echo == byte) ? 0 : -EIO;
8006 }
8007
8008 /*
8009 * Get a character from the card matching matchbyte
8010 * Step 3)
8011 */
8012 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8013 int rchar;
8014 unsigned char rbyte=0;
8015
8016 do {
8017 rchar = IN4500(ai,SWS1);
8018
8019 if(dwelltime && !(0x8000 & rchar)){
8020 dwelltime -= 10;
8021 mdelay(10);
8022 continue;
8023 }
8024 rbyte = 0xff & rchar;
8025
8026 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8027 OUT4500(ai,SWS1,0);
8028 return 0;
8029 }
8030 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8031 break;
8032 OUT4500(ai,SWS1,0);
8033
8034 }while(dwelltime > 0);
8035 return -EIO;
8036 }
8037
8038 /*
8039 * Transfer 32k of firmware data from user buffer to our buffer and
8040 * send to the card
8041 */
8042
8043 static int flashputbuf(struct airo_info *ai){
8044 int nwords;
8045
8046 /* Write stuff */
8047 if (test_bit(FLAG_MPI,&ai->flags))
8048 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8049 else {
8050 OUT4500(ai,AUXPAGE,0x100);
8051 OUT4500(ai,AUXOFF,0);
8052
8053 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8054 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8055 }
8056 }
8057 OUT4500(ai,SWS0,0x8000);
8058
8059 return 0;
8060 }
8061
8062 /*
8063 *
8064 */
8065 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8066 int i,status;
8067
8068 ssleep(1); /* Added 12/7/00 */
8069 clear_bit (FLAG_FLASHING, &ai->flags);
8070 if (test_bit(FLAG_MPI, &ai->flags)) {
8071 status = mpi_init_descriptors(ai);
8072 if (status != SUCCESS)
8073 return status;
8074 }
8075 status = setup_card(ai, dev->dev_addr, 1);
8076
8077 if (!test_bit(FLAG_MPI,&ai->flags))
8078 for( i = 0; i < MAX_FIDS; i++ ) {
8079 ai->fids[i] = transmit_allocate
8080 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8081 }
8082
8083 ssleep(1); /* Added 12/7/00 */
8084 return status;
8085 }
8086 #endif /* CISCO_EXT */
8087
8088 /*
8089 This program is free software; you can redistribute it and/or
8090 modify it under the terms of the GNU General Public License
8091 as published by the Free Software Foundation; either version 2
8092 of the License, or (at your option) any later version.
8093
8094 This program is distributed in the hope that it will be useful,
8095 but WITHOUT ANY WARRANTY; without even the implied warranty of
8096 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8097 GNU General Public License for more details.
8098
8099 In addition:
8100
8101 Redistribution and use in source and binary forms, with or without
8102 modification, are permitted provided that the following conditions
8103 are met:
8104
8105 1. Redistributions of source code must retain the above copyright
8106 notice, this list of conditions and the following disclaimer.
8107 2. Redistributions in binary form must reproduce the above copyright
8108 notice, this list of conditions and the following disclaimer in the
8109 documentation and/or other materials provided with the distribution.
8110 3. The name of the author may not be used to endorse or promote
8111 products derived from this software without specific prior written
8112 permission.
8113
8114 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8115 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8116 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8117 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8118 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8119 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8120 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8121 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8122 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8123 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8124 POSSIBILITY OF SUCH DAMAGE.
8125 */
8126
8127 module_init(airo_init_module);
8128 module_exit(airo_cleanup_module);
(deprecated) Btrfs devel tree