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Merge branch 'nfs-for-2.6.37' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
[linux-2.6.git] / drivers / net / wireless / airo.c
bloba36e7870b03eeefe86347fa1bacb4e7118c8b4c0
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/system.h>
41 #include <asm/unaligned.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
52
53 #include <linux/ieee80211.h>
54 #include <net/iw_handler.h>
55
56 #include "airo.h"
57
58 #define DRV_NAME "airo"
59
60 #ifdef CONFIG_PCI
61 static DEFINE_PCI_DEVICE_TABLE(card_ids) = {
62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0, }
70 };
71 MODULE_DEVICE_TABLE(pci, card_ids);
72
73 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74 static void airo_pci_remove(struct pci_dev *);
75 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
76 static int airo_pci_resume(struct pci_dev *pdev);
77
78 static struct pci_driver airo_driver = {
79 .name = DRV_NAME,
80 .id_table = card_ids,
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
85 };
86 #endif /* CONFIG_PCI */
87
88 /* Include Wireless Extension definition and check version - Jean II */
89 #include <linux/wireless.h>
90 #define WIRELESS_SPY /* enable iwspy support */
91 #include <net/iw_handler.h> /* New driver API */
92
93 #define CISCO_EXT /* enable Cisco extensions */
94 #ifdef CISCO_EXT
95 #include <linux/delay.h>
96 #endif
97
98 /* Hack to do some power saving */
99 #define POWER_ON_DOWN
100
101 /* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
106
107 #define IGNLABEL(comment) NULL
108 static const char *statsLabels[] = {
109 "RxOverrun",
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
113 "RxMacCrcErr",
114 "RxMacCrcOk",
115 "RxWepErr",
116 "RxWepOk",
117 "RetryLong",
118 "RetryShort",
119 "MaxRetries",
120 "NoAck",
121 "NoCts",
122 "RxAck",
123 "RxCts",
124 "TxAck",
125 "TxRts",
126 "TxCts",
127 "TxMc",
128 "TxBc",
129 "TxUcFrags",
130 "TxUcPackets",
131 "TxBeacon",
132 "RxBeacon",
133 "TxSinColl",
134 "TxMulColl",
135 "DefersNo",
136 "DefersProt",
137 "DefersEngy",
138 "DupFram",
139 "RxFragDisc",
140 "TxAged",
141 "RxAged",
142 "LostSync-MaxRetry",
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
145 "LostSync-Deauth",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
148 "HostTxMc",
149 "HostTxBc",
150 "HostTxUc",
151 "HostTxFail",
152 "HostRxMc",
153 "HostRxBc",
154 "HostRxUc",
155 "HostRxDiscard",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
165 "SsidMismatch",
166 "ApMismatch",
167 "RatesMismatch",
168 "AuthReject",
169 "AuthTimeout",
170 "AssocReject",
171 "AssocTimeout",
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
192 "RxMan",
193 "TxMan",
194 "RxRefresh",
195 "TxRefresh",
196 "RxPoll",
197 "TxPoll",
198 "HostRetries",
199 "LostSync-HostReq",
200 "HostTxBytes",
201 "HostRxBytes",
202 "ElapsedUsec",
203 "ElapsedSec",
204 "LostSyncBetterAP",
205 "PrivacyMismatch",
206 "Jammed",
207 "DiscRxNotWepped",
208 "PhyEleMismatch",
209 (char*)-1 };
210 #ifndef RUN_AT
211 #define RUN_AT(x) (jiffies+(x))
212 #endif
213
214
215 /* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
218
219 static int rates[8];
220 static char *ssids[3];
221
222 static int io[4];
223 static int irq[4];
224
225 static
226 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
227 0 means no limit. For old cards this was 4 */
228
229 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
230 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
231 the bap, needed on some older cards and buses. */
232 static int adhoc;
233
234 static int probe = 1;
235
236 static int proc_uid /* = 0 */;
237
238 static int proc_gid /* = 0 */;
239
240 static int airo_perm = 0555;
241
242 static int proc_perm = 0644;
243
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
246 cards. Direct support for ISA/PCI/MPI cards and support \
247 for PCMCIA when used with airo_cs.");
248 MODULE_LICENSE("Dual BSD/GPL");
249 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250 module_param_array(io, int, NULL, 0);
251 module_param_array(irq, int, NULL, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256 the authentication options until an association is made. The value of \
257 auto_wep is number of the wep keys to check. A value of 2 will try using \
258 the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261 than seems to work better for older cards with some older buses. Before \
262 switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266 Older cards used to be limited to 2mbs (4).");
267 module_param(adhoc, int, 0);
268 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269 module_param(probe, int, 0);
270 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271
272 module_param(proc_uid, int, 0);
273 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274 module_param(proc_gid, int, 0);
275 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276 module_param(airo_perm, int, 0);
277 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278 module_param(proc_perm, int, 0);
279 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280
281 /* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284 static int do8bitIO /* = 0 */;
285
286 /* Return codes */
287 #define SUCCESS 0
288 #define ERROR -1
289 #define NO_PACKET -2
290
291 /* Commands */
292 #define NOP2 0x0000
293 #define MAC_ENABLE 0x0001
294 #define MAC_DISABLE 0x0002
295 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296 #define CMD_SOFTRESET 0x0004
297 #define HOSTSLEEP 0x0005
298 #define CMD_MAGIC_PKT 0x0006
299 #define CMD_SETWAKEMASK 0x0007
300 #define CMD_READCFG 0x0008
301 #define CMD_SETMODE 0x0009
302 #define CMD_ALLOCATETX 0x000a
303 #define CMD_TRANSMIT 0x000b
304 #define CMD_DEALLOCATETX 0x000c
305 #define NOP 0x0010
306 #define CMD_WORKAROUND 0x0011
307 #define CMD_ALLOCATEAUX 0x0020
308 #define CMD_ACCESS 0x0021
309 #define CMD_PCIBAP 0x0022
310 #define CMD_PCIAUX 0x0023
311 #define CMD_ALLOCBUF 0x0028
312 #define CMD_GETTLV 0x0029
313 #define CMD_PUTTLV 0x002a
314 #define CMD_DELTLV 0x002b
315 #define CMD_FINDNEXTTLV 0x002c
316 #define CMD_PSPNODES 0x0030
317 #define CMD_SETCW 0x0031
318 #define CMD_SETPCF 0x0032
319 #define CMD_SETPHYREG 0x003e
320 #define CMD_TXTEST 0x003f
321 #define MAC_ENABLETX 0x0101
322 #define CMD_LISTBSS 0x0103
323 #define CMD_SAVECFG 0x0108
324 #define CMD_ENABLEAUX 0x0111
325 #define CMD_WRITERID 0x0121
326 #define CMD_USEPSPNODES 0x0130
327 #define MAC_ENABLERX 0x0201
328
329 /* Command errors */
330 #define ERROR_QUALIF 0x00
331 #define ERROR_ILLCMD 0x01
332 #define ERROR_ILLFMT 0x02
333 #define ERROR_INVFID 0x03
334 #define ERROR_INVRID 0x04
335 #define ERROR_LARGE 0x05
336 #define ERROR_NDISABL 0x06
337 #define ERROR_ALLOCBSY 0x07
338 #define ERROR_NORD 0x0B
339 #define ERROR_NOWR 0x0C
340 #define ERROR_INVFIDTX 0x0D
341 #define ERROR_TESTACT 0x0E
342 #define ERROR_TAGNFND 0x12
343 #define ERROR_DECODE 0x20
344 #define ERROR_DESCUNAV 0x21
345 #define ERROR_BADLEN 0x22
346 #define ERROR_MODE 0x80
347 #define ERROR_HOP 0x81
348 #define ERROR_BINTER 0x82
349 #define ERROR_RXMODE 0x83
350 #define ERROR_MACADDR 0x84
351 #define ERROR_RATES 0x85
352 #define ERROR_ORDER 0x86
353 #define ERROR_SCAN 0x87
354 #define ERROR_AUTH 0x88
355 #define ERROR_PSMODE 0x89
356 #define ERROR_RTYPE 0x8A
357 #define ERROR_DIVER 0x8B
358 #define ERROR_SSID 0x8C
359 #define ERROR_APLIST 0x8D
360 #define ERROR_AUTOWAKE 0x8E
361 #define ERROR_LEAP 0x8F
362
363 /* Registers */
364 #define COMMAND 0x00
365 #define PARAM0 0x02
366 #define PARAM1 0x04
367 #define PARAM2 0x06
368 #define STATUS 0x08
369 #define RESP0 0x0a
370 #define RESP1 0x0c
371 #define RESP2 0x0e
372 #define LINKSTAT 0x10
373 #define SELECT0 0x18
374 #define OFFSET0 0x1c
375 #define RXFID 0x20
376 #define TXALLOCFID 0x22
377 #define TXCOMPLFID 0x24
378 #define DATA0 0x36
379 #define EVSTAT 0x30
380 #define EVINTEN 0x32
381 #define EVACK 0x34
382 #define SWS0 0x28
383 #define SWS1 0x2a
384 #define SWS2 0x2c
385 #define SWS3 0x2e
386 #define AUXPAGE 0x3A
387 #define AUXOFF 0x3C
388 #define AUXDATA 0x3E
389
390 #define FID_TX 1
391 #define FID_RX 2
392 /* Offset into aux memory for descriptors */
393 #define AUX_OFFSET 0x800
394 /* Size of allocated packets */
395 #define PKTSIZE 1840
396 #define RIDSIZE 2048
397 /* Size of the transmit queue */
398 #define MAXTXQ 64
399
400 /* BAP selectors */
401 #define BAP0 0 /* Used for receiving packets */
402 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
403
404 /* Flags */
405 #define COMMAND_BUSY 0x8000
406
407 #define BAP_BUSY 0x8000
408 #define BAP_ERR 0x4000
409 #define BAP_DONE 0x2000
410
411 #define PROMISC 0xffff
412 #define NOPROMISC 0x0000
413
414 #define EV_CMD 0x10
415 #define EV_CLEARCOMMANDBUSY 0x4000
416 #define EV_RX 0x01
417 #define EV_TX 0x02
418 #define EV_TXEXC 0x04
419 #define EV_ALLOC 0x08
420 #define EV_LINK 0x80
421 #define EV_AWAKE 0x100
422 #define EV_TXCPY 0x400
423 #define EV_UNKNOWN 0x800
424 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425 #define EV_AWAKEN 0x2000
426 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427
428 #ifdef CHECK_UNKNOWN_INTS
429 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #else
431 #define IGNORE_INTS (~STATUS_INTS)
432 #endif
433
434 /* RID TYPES */
435 #define RID_RW 0x20
436
437 /* The RIDs */
438 #define RID_CAPABILITIES 0xFF00
439 #define RID_APINFO 0xFF01
440 #define RID_RADIOINFO 0xFF02
441 #define RID_UNKNOWN3 0xFF03
442 #define RID_RSSI 0xFF04
443 #define RID_CONFIG 0xFF10
444 #define RID_SSID 0xFF11
445 #define RID_APLIST 0xFF12
446 #define RID_DRVNAME 0xFF13
447 #define RID_ETHERENCAP 0xFF14
448 #define RID_WEP_TEMP 0xFF15
449 #define RID_WEP_PERM 0xFF16
450 #define RID_MODULATION 0xFF17
451 #define RID_OPTIONS 0xFF18
452 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453 #define RID_FACTORYCONFIG 0xFF21
454 #define RID_UNKNOWN22 0xFF22
455 #define RID_LEAPUSERNAME 0xFF23
456 #define RID_LEAPPASSWORD 0xFF24
457 #define RID_STATUS 0xFF50
458 #define RID_BEACON_HST 0xFF51
459 #define RID_BUSY_HST 0xFF52
460 #define RID_RETRIES_HST 0xFF53
461 #define RID_UNKNOWN54 0xFF54
462 #define RID_UNKNOWN55 0xFF55
463 #define RID_UNKNOWN56 0xFF56
464 #define RID_MIC 0xFF57
465 #define RID_STATS16 0xFF60
466 #define RID_STATS16DELTA 0xFF61
467 #define RID_STATS16DELTACLEAR 0xFF62
468 #define RID_STATS 0xFF68
469 #define RID_STATSDELTA 0xFF69
470 #define RID_STATSDELTACLEAR 0xFF6A
471 #define RID_ECHOTEST_RID 0xFF70
472 #define RID_ECHOTEST_RESULTS 0xFF71
473 #define RID_BSSLISTFIRST 0xFF72
474 #define RID_BSSLISTNEXT 0xFF73
475 #define RID_WPA_BSSLISTFIRST 0xFF74
476 #define RID_WPA_BSSLISTNEXT 0xFF75
477
478 typedef struct {
479 u16 cmd;
480 u16 parm0;
481 u16 parm1;
482 u16 parm2;
483 } Cmd;
484
485 typedef struct {
486 u16 status;
487 u16 rsp0;
488 u16 rsp1;
489 u16 rsp2;
490 } Resp;
491
492 /*
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
496 */
497
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
500 typedef struct WepKeyRid WepKeyRid;
501 struct WepKeyRid {
502 __le16 len;
503 __le16 kindex;
504 u8 mac[ETH_ALEN];
505 __le16 klen;
506 u8 key[16];
507 } __packed;
508
509 /* These structures are from the Aironet's PC4500 Developers Manual */
510 typedef struct Ssid Ssid;
511 struct Ssid {
512 __le16 len;
513 u8 ssid[32];
514 } __packed;
515
516 typedef struct SsidRid SsidRid;
517 struct SsidRid {
518 __le16 len;
519 Ssid ssids[3];
520 } __packed;
521
522 typedef struct ModulationRid ModulationRid;
523 struct ModulationRid {
524 __le16 len;
525 __le16 modulation;
526 #define MOD_DEFAULT cpu_to_le16(0)
527 #define MOD_CCK cpu_to_le16(1)
528 #define MOD_MOK cpu_to_le16(2)
529 } __packed;
530
531 typedef struct ConfigRid ConfigRid;
532 struct ConfigRid {
533 __le16 len; /* sizeof(ConfigRid) */
534 __le16 opmode; /* operating mode */
535 #define MODE_STA_IBSS cpu_to_le16(0)
536 #define MODE_STA_ESS cpu_to_le16(1)
537 #define MODE_AP cpu_to_le16(2)
538 #define MODE_AP_RPTR cpu_to_le16(3)
539 #define MODE_CFG_MASK cpu_to_le16(0xff)
540 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
541 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
542 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
543 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
544 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
545 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
546 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
547 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
548 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
549 __le16 rmode; /* receive mode */
550 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
551 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
552 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
553 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
554 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
555 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
556 #define RXMODE_MASK cpu_to_le16(255)
557 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
558 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
559 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
560 __le16 fragThresh;
561 __le16 rtsThres;
562 u8 macAddr[ETH_ALEN];
563 u8 rates[8];
564 __le16 shortRetryLimit;
565 __le16 longRetryLimit;
566 __le16 txLifetime; /* in kusec */
567 __le16 rxLifetime; /* in kusec */
568 __le16 stationary;
569 __le16 ordering;
570 __le16 u16deviceType; /* for overriding device type */
571 __le16 cfpRate;
572 __le16 cfpDuration;
573 __le16 _reserved1[3];
574 /*---------- Scanning/Associating ----------*/
575 __le16 scanMode;
576 #define SCANMODE_ACTIVE cpu_to_le16(0)
577 #define SCANMODE_PASSIVE cpu_to_le16(1)
578 #define SCANMODE_AIROSCAN cpu_to_le16(2)
579 __le16 probeDelay; /* in kusec */
580 __le16 probeEnergyTimeout; /* in kusec */
581 __le16 probeResponseTimeout;
582 __le16 beaconListenTimeout;
583 __le16 joinNetTimeout;
584 __le16 authTimeout;
585 __le16 authType;
586 #define AUTH_OPEN cpu_to_le16(0x1)
587 #define AUTH_ENCRYPT cpu_to_le16(0x101)
588 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
589 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
590 __le16 associationTimeout;
591 __le16 specifiedApTimeout;
592 __le16 offlineScanInterval;
593 __le16 offlineScanDuration;
594 __le16 linkLossDelay;
595 __le16 maxBeaconLostTime;
596 __le16 refreshInterval;
597 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
598 __le16 _reserved1a[1];
599 /*---------- Power save operation ----------*/
600 __le16 powerSaveMode;
601 #define POWERSAVE_CAM cpu_to_le16(0)
602 #define POWERSAVE_PSP cpu_to_le16(1)
603 #define POWERSAVE_PSPCAM cpu_to_le16(2)
604 __le16 sleepForDtims;
605 __le16 listenInterval;
606 __le16 fastListenInterval;
607 __le16 listenDecay;
608 __le16 fastListenDelay;
609 __le16 _reserved2[2];
610 /*---------- Ap/Ibss config items ----------*/
611 __le16 beaconPeriod;
612 __le16 atimDuration;
613 __le16 hopPeriod;
614 __le16 channelSet;
615 __le16 channel;
616 __le16 dtimPeriod;
617 __le16 bridgeDistance;
618 __le16 radioID;
619 /*---------- Radio configuration ----------*/
620 __le16 radioType;
621 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
622 #define RADIOTYPE_802_11 cpu_to_le16(1)
623 #define RADIOTYPE_LEGACY cpu_to_le16(2)
624 u8 rxDiversity;
625 u8 txDiversity;
626 __le16 txPower;
627 #define TXPOWER_DEFAULT 0
628 __le16 rssiThreshold;
629 #define RSSI_DEFAULT 0
630 __le16 modulation;
631 #define PREAMBLE_AUTO cpu_to_le16(0)
632 #define PREAMBLE_LONG cpu_to_le16(1)
633 #define PREAMBLE_SHORT cpu_to_le16(2)
634 __le16 preamble;
635 __le16 homeProduct;
636 __le16 radioSpecific;
637 /*---------- Aironet Extensions ----------*/
638 u8 nodeName[16];
639 __le16 arlThreshold;
640 __le16 arlDecay;
641 __le16 arlDelay;
642 __le16 _reserved4[1];
643 /*---------- Aironet Extensions ----------*/
644 u8 magicAction;
645 #define MAGIC_ACTION_STSCHG 1
646 #define MAGIC_ACTION_RESUME 2
647 #define MAGIC_IGNORE_MCAST (1<<8)
648 #define MAGIC_IGNORE_BCAST (1<<9)
649 #define MAGIC_SWITCH_TO_PSP (0<<10)
650 #define MAGIC_STAY_IN_CAM (1<<10)
651 u8 magicControl;
652 __le16 autoWake;
653 } __packed;
654
655 typedef struct StatusRid StatusRid;
656 struct StatusRid {
657 __le16 len;
658 u8 mac[ETH_ALEN];
659 __le16 mode;
660 __le16 errorCode;
661 __le16 sigQuality;
662 __le16 SSIDlen;
663 char SSID[32];
664 char apName[16];
665 u8 bssid[4][ETH_ALEN];
666 __le16 beaconPeriod;
667 __le16 dimPeriod;
668 __le16 atimDuration;
669 __le16 hopPeriod;
670 __le16 channelSet;
671 __le16 channel;
672 __le16 hopsToBackbone;
673 __le16 apTotalLoad;
674 __le16 generatedLoad;
675 __le16 accumulatedArl;
676 __le16 signalQuality;
677 __le16 currentXmitRate;
678 __le16 apDevExtensions;
679 __le16 normalizedSignalStrength;
680 __le16 shortPreamble;
681 u8 apIP[4];
682 u8 noisePercent; /* Noise percent in last second */
683 u8 noisedBm; /* Noise dBm in last second */
684 u8 noiseAvePercent; /* Noise percent in last minute */
685 u8 noiseAvedBm; /* Noise dBm in last minute */
686 u8 noiseMaxPercent; /* Highest noise percent in last minute */
687 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
688 __le16 load;
689 u8 carrier[4];
690 __le16 assocStatus;
691 #define STAT_NOPACKETS 0
692 #define STAT_NOCARRIERSET 10
693 #define STAT_GOTCARRIERSET 11
694 #define STAT_WRONGSSID 20
695 #define STAT_BADCHANNEL 25
696 #define STAT_BADBITRATES 30
697 #define STAT_BADPRIVACY 35
698 #define STAT_APFOUND 40
699 #define STAT_APREJECTED 50
700 #define STAT_AUTHENTICATING 60
701 #define STAT_DEAUTHENTICATED 61
702 #define STAT_AUTHTIMEOUT 62
703 #define STAT_ASSOCIATING 70
704 #define STAT_DEASSOCIATED 71
705 #define STAT_ASSOCTIMEOUT 72
706 #define STAT_NOTAIROAP 73
707 #define STAT_ASSOCIATED 80
708 #define STAT_LEAPING 90
709 #define STAT_LEAPFAILED 91
710 #define STAT_LEAPTIMEDOUT 92
711 #define STAT_LEAPCOMPLETE 93
712 } __packed;
713
714 typedef struct StatsRid StatsRid;
715 struct StatsRid {
716 __le16 len;
717 __le16 spacer;
718 __le32 vals[100];
719 } __packed;
720
721 typedef struct APListRid APListRid;
722 struct APListRid {
723 __le16 len;
724 u8 ap[4][ETH_ALEN];
725 } __packed;
726
727 typedef struct CapabilityRid CapabilityRid;
728 struct CapabilityRid {
729 __le16 len;
730 char oui[3];
731 char zero;
732 __le16 prodNum;
733 char manName[32];
734 char prodName[16];
735 char prodVer[8];
736 char factoryAddr[ETH_ALEN];
737 char aironetAddr[ETH_ALEN];
738 __le16 radioType;
739 __le16 country;
740 char callid[ETH_ALEN];
741 char supportedRates[8];
742 char rxDiversity;
743 char txDiversity;
744 __le16 txPowerLevels[8];
745 __le16 hardVer;
746 __le16 hardCap;
747 __le16 tempRange;
748 __le16 softVer;
749 __le16 softSubVer;
750 __le16 interfaceVer;
751 __le16 softCap;
752 __le16 bootBlockVer;
753 __le16 requiredHard;
754 __le16 extSoftCap;
755 } __packed;
756
757 /* Only present on firmware >= 5.30.17 */
758 typedef struct BSSListRidExtra BSSListRidExtra;
759 struct BSSListRidExtra {
760 __le16 unknown[4];
761 u8 fixed[12]; /* WLAN management frame */
762 u8 iep[624];
763 } __packed;
764
765 typedef struct BSSListRid BSSListRid;
766 struct BSSListRid {
767 __le16 len;
768 __le16 index; /* First is 0 and 0xffff means end of list */
769 #define RADIO_FH 1 /* Frequency hopping radio type */
770 #define RADIO_DS 2 /* Direct sequence radio type */
771 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
772 __le16 radioType;
773 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
774 u8 zero;
775 u8 ssidLen;
776 u8 ssid[32];
777 __le16 dBm;
778 #define CAP_ESS cpu_to_le16(1<<0)
779 #define CAP_IBSS cpu_to_le16(1<<1)
780 #define CAP_PRIVACY cpu_to_le16(1<<4)
781 #define CAP_SHORTHDR cpu_to_le16(1<<5)
782 __le16 cap;
783 __le16 beaconInterval;
784 u8 rates[8]; /* Same as rates for config rid */
785 struct { /* For frequency hopping only */
786 __le16 dwell;
787 u8 hopSet;
788 u8 hopPattern;
789 u8 hopIndex;
790 u8 fill;
791 } fh;
792 __le16 dsChannel;
793 __le16 atimWindow;
794
795 /* Only present on firmware >= 5.30.17 */
796 BSSListRidExtra extra;
797 } __packed;
798
799 typedef struct {
800 BSSListRid bss;
801 struct list_head list;
802 } BSSListElement;
803
804 typedef struct tdsRssiEntry tdsRssiEntry;
805 struct tdsRssiEntry {
806 u8 rssipct;
807 u8 rssidBm;
808 } __packed;
809
810 typedef struct tdsRssiRid tdsRssiRid;
811 struct tdsRssiRid {
812 u16 len;
813 tdsRssiEntry x[256];
814 } __packed;
815
816 typedef struct MICRid MICRid;
817 struct MICRid {
818 __le16 len;
819 __le16 state;
820 __le16 multicastValid;
821 u8 multicast[16];
822 __le16 unicastValid;
823 u8 unicast[16];
824 } __packed;
825
826 typedef struct MICBuffer MICBuffer;
827 struct MICBuffer {
828 __be16 typelen;
829
830 union {
831 u8 snap[8];
832 struct {
833 u8 dsap;
834 u8 ssap;
835 u8 control;
836 u8 orgcode[3];
837 u8 fieldtype[2];
838 } llc;
839 } u;
840 __be32 mic;
841 __be32 seq;
842 } __packed;
843
844 typedef struct {
845 u8 da[ETH_ALEN];
846 u8 sa[ETH_ALEN];
847 } etherHead;
848
849 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
850 #define TXCTL_TXEX (1<<2) /* report if tx fails */
851 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
852 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
853 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
854 #define TXCTL_LLC (1<<4) /* payload is llc */
855 #define TXCTL_RELEASE (0<<5) /* release after completion */
856 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
857
858 #define BUSY_FID 0x10000
859
860 #ifdef CISCO_EXT
861 #define AIROMAGIC 0xa55a
862 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
863 #ifdef SIOCIWFIRSTPRIV
864 #ifdef SIOCDEVPRIVATE
865 #define AIROOLDIOCTL SIOCDEVPRIVATE
866 #define AIROOLDIDIFC AIROOLDIOCTL + 1
867 #endif /* SIOCDEVPRIVATE */
868 #else /* SIOCIWFIRSTPRIV */
869 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
870 #endif /* SIOCIWFIRSTPRIV */
871 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
872 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
873 * only and don't return the modified struct ifreq to the application which
874 * is usually a problem. - Jean II */
875 #define AIROIOCTL SIOCIWFIRSTPRIV
876 #define AIROIDIFC AIROIOCTL + 1
877
878 /* Ioctl constants to be used in airo_ioctl.command */
879
880 #define AIROGCAP 0 // Capability rid
881 #define AIROGCFG 1 // USED A LOT
882 #define AIROGSLIST 2 // System ID list
883 #define AIROGVLIST 3 // List of specified AP's
884 #define AIROGDRVNAM 4 // NOTUSED
885 #define AIROGEHTENC 5 // NOTUSED
886 #define AIROGWEPKTMP 6
887 #define AIROGWEPKNV 7
888 #define AIROGSTAT 8
889 #define AIROGSTATSC32 9
890 #define AIROGSTATSD32 10
891 #define AIROGMICRID 11
892 #define AIROGMICSTATS 12
893 #define AIROGFLAGS 13
894 #define AIROGID 14
895 #define AIRORRID 15
896 #define AIRORSWVERSION 17
897
898 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
899
900 #define AIROPCAP AIROGSTATSD32 + 40
901 #define AIROPVLIST AIROPCAP + 1
902 #define AIROPSLIST AIROPVLIST + 1
903 #define AIROPCFG AIROPSLIST + 1
904 #define AIROPSIDS AIROPCFG + 1
905 #define AIROPAPLIST AIROPSIDS + 1
906 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
907 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
908 #define AIROPSTCLR AIROPMACOFF + 1
909 #define AIROPWEPKEY AIROPSTCLR + 1
910 #define AIROPWEPKEYNV AIROPWEPKEY + 1
911 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
912 #define AIROPLEAPUSR AIROPLEAPPWD + 1
913
914 /* Flash codes */
915
916 #define AIROFLSHRST AIROPWEPKEYNV + 40
917 #define AIROFLSHGCHR AIROFLSHRST + 1
918 #define AIROFLSHSTFL AIROFLSHGCHR + 1
919 #define AIROFLSHPCHR AIROFLSHSTFL + 1
920 #define AIROFLPUTBUF AIROFLSHPCHR + 1
921 #define AIRORESTART AIROFLPUTBUF + 1
922
923 #define FLASHSIZE 32768
924 #define AUXMEMSIZE (256 * 1024)
925
926 typedef struct aironet_ioctl {
927 unsigned short command; // What to do
928 unsigned short len; // Len of data
929 unsigned short ridnum; // rid number
930 unsigned char __user *data; // d-data
931 } aironet_ioctl;
932
933 static const char swversion[] = "2.1";
934 #endif /* CISCO_EXT */
935
936 #define NUM_MODULES 2
937 #define MIC_MSGLEN_MAX 2400
938 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
939 #define AIRO_DEF_MTU 2312
940
941 typedef struct {
942 u32 size; // size
943 u8 enabled; // MIC enabled or not
944 u32 rxSuccess; // successful packets received
945 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
946 u32 rxNotMICed; // pkts dropped due to not being MIC'd
947 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
948 u32 rxWrongSequence; // pkts dropped due to sequence number violation
949 u32 reserve[32];
950 } mic_statistics;
951
952 typedef struct {
953 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
954 u64 accum; // accumulated mic, reduced to u32 in final()
955 int position; // current position (byte offset) in message
956 union {
957 u8 d8[4];
958 __be32 d32;
959 } part; // saves partial message word across update() calls
960 } emmh32_context;
961
962 typedef struct {
963 emmh32_context seed; // Context - the seed
964 u32 rx; // Received sequence number
965 u32 tx; // Tx sequence number
966 u32 window; // Start of window
967 u8 valid; // Flag to say if context is valid or not
968 u8 key[16];
969 } miccntx;
970
971 typedef struct {
972 miccntx mCtx; // Multicast context
973 miccntx uCtx; // Unicast context
974 } mic_module;
975
976 typedef struct {
977 unsigned int rid: 16;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
981 } Rid;
982
983 typedef struct {
984 unsigned int offset: 15;
985 unsigned int eoc: 1;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
989 } TxFid;
990
991 struct rx_hdr {
992 __le16 status, len;
993 u8 rssi[2];
994 u8 rate;
995 u8 freq;
996 __le16 tmp[4];
997 } __packed;
998
999 typedef struct {
1000 unsigned int ctl: 15;
1001 unsigned int rdy: 1;
1002 unsigned int len: 15;
1003 unsigned int valid: 1;
1004 dma_addr_t host_addr;
1005 } RxFid;
1006
1007 /*
1008 * Host receive descriptor
1009 */
1010 typedef struct {
1011 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1012 desc */
1013 RxFid rx_desc; /* card receive descriptor */
1014 char *virtual_host_addr; /* virtual address of host receive
1015 buffer */
1016 int pending;
1017 } HostRxDesc;
1018
1019 /*
1020 * Host transmit descriptor
1021 */
1022 typedef struct {
1023 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1024 desc */
1025 TxFid tx_desc; /* card transmit descriptor */
1026 char *virtual_host_addr; /* virtual address of host receive
1027 buffer */
1028 int pending;
1029 } HostTxDesc;
1030
1031 /*
1032 * Host RID descriptor
1033 */
1034 typedef struct {
1035 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1036 descriptor */
1037 Rid rid_desc; /* card RID descriptor */
1038 char *virtual_host_addr; /* virtual address of host receive
1039 buffer */
1040 } HostRidDesc;
1041
1042 typedef struct {
1043 u16 sw0;
1044 u16 sw1;
1045 u16 status;
1046 u16 len;
1047 #define HOST_SET (1 << 0)
1048 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1049 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1050 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1051 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1052 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1053 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1054 #define HOST_RTS (1 << 9) /* Force RTS use */
1055 #define HOST_SHORT (1 << 10) /* Do short preamble */
1056 u16 ctl;
1057 u16 aid;
1058 u16 retries;
1059 u16 fill;
1060 } TxCtlHdr;
1061
1062 typedef struct {
1063 u16 ctl;
1064 u16 duration;
1065 char addr1[6];
1066 char addr2[6];
1067 char addr3[6];
1068 u16 seq;
1069 char addr4[6];
1070 } WifiHdr;
1071
1072
1073 typedef struct {
1074 TxCtlHdr ctlhdr;
1075 u16 fill1;
1076 u16 fill2;
1077 WifiHdr wifihdr;
1078 u16 gaplen;
1079 u16 status;
1080 } WifiCtlHdr;
1081
1082 static WifiCtlHdr wifictlhdr8023 = {
1083 .ctlhdr = {
1084 .ctl = HOST_DONT_RLSE,
1085 }
1086 };
1087
1088 // A few details needed for WEP (Wireless Equivalent Privacy)
1089 #define MAX_KEY_SIZE 13 // 128 (?) bits
1090 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1091 typedef struct wep_key_t {
1092 u16 len;
1093 u8 key[16]; /* 40-bit and 104-bit keys */
1094 } wep_key_t;
1095
1096 /* List of Wireless Handlers (new API) */
1097 static const struct iw_handler_def airo_handler_def;
1098
1099 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1100
1101 struct airo_info;
1102
1103 static int get_dec_u16( char *buffer, int *start, int limit );
1104 static void OUT4500( struct airo_info *, u16 register, u16 value );
1105 static unsigned short IN4500( struct airo_info *, u16 register );
1106 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1107 static int enable_MAC(struct airo_info *ai, int lock);
1108 static void disable_MAC(struct airo_info *ai, int lock);
1109 static void enable_interrupts(struct airo_info*);
1110 static void disable_interrupts(struct airo_info*);
1111 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1112 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1113 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1114 int whichbap);
1115 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 int whichbap);
1117 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1118 int whichbap);
1119 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1120 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1121 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1122 *pBuf, int len, int lock);
1123 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1124 int len, int dummy );
1125 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1126 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1127 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1128
1129 static int mpi_send_packet (struct net_device *dev);
1130 static void mpi_unmap_card(struct pci_dev *pci);
1131 static void mpi_receive_802_3(struct airo_info *ai);
1132 static void mpi_receive_802_11(struct airo_info *ai);
1133 static int waitbusy (struct airo_info *ai);
1134
1135 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1136 static int airo_thread(void *data);
1137 static void timer_func( struct net_device *dev );
1138 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1139 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1140 static void airo_read_wireless_stats (struct airo_info *local);
1141 #ifdef CISCO_EXT
1142 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1143 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1144 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1145 #endif /* CISCO_EXT */
1146 static void micinit(struct airo_info *ai);
1147 static int micsetup(struct airo_info *ai);
1148 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1149 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1150
1151 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1152 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1153
1154 static void airo_networks_free(struct airo_info *ai);
1155
1156 struct airo_info {
1157 struct net_device *dev;
1158 struct list_head dev_list;
1159 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1160 use the high bit to mark whether it is in use. */
1161 #define MAX_FIDS 6
1162 #define MPI_MAX_FIDS 1
1163 u32 fids[MAX_FIDS];
1164 ConfigRid config;
1165 char keyindex; // Used with auto wep
1166 char defindex; // Used with auto wep
1167 struct proc_dir_entry *proc_entry;
1168 spinlock_t aux_lock;
1169 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1170 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1171 #define FLAG_RADIO_MASK 0x03
1172 #define FLAG_ENABLED 2
1173 #define FLAG_ADHOC 3 /* Needed by MIC */
1174 #define FLAG_MIC_CAPABLE 4
1175 #define FLAG_UPDATE_MULTI 5
1176 #define FLAG_UPDATE_UNI 6
1177 #define FLAG_802_11 7
1178 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1179 #define FLAG_PENDING_XMIT 9
1180 #define FLAG_PENDING_XMIT11 10
1181 #define FLAG_MPI 11
1182 #define FLAG_REGISTERED 12
1183 #define FLAG_COMMIT 13
1184 #define FLAG_RESET 14
1185 #define FLAG_FLASHING 15
1186 #define FLAG_WPA_CAPABLE 16
1187 unsigned long flags;
1188 #define JOB_DIE 0
1189 #define JOB_XMIT 1
1190 #define JOB_XMIT11 2
1191 #define JOB_STATS 3
1192 #define JOB_PROMISC 4
1193 #define JOB_MIC 5
1194 #define JOB_EVENT 6
1195 #define JOB_AUTOWEP 7
1196 #define JOB_WSTATS 8
1197 #define JOB_SCAN_RESULTS 9
1198 unsigned long jobs;
1199 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1200 int whichbap);
1201 unsigned short *flash;
1202 tdsRssiEntry *rssi;
1203 struct task_struct *list_bss_task;
1204 struct task_struct *airo_thread_task;
1205 struct semaphore sem;
1206 wait_queue_head_t thr_wait;
1207 unsigned long expires;
1208 struct {
1209 struct sk_buff *skb;
1210 int fid;
1211 } xmit, xmit11;
1212 struct net_device *wifidev;
1213 struct iw_statistics wstats; // wireless stats
1214 unsigned long scan_timeout; /* Time scan should be read */
1215 struct iw_spy_data spy_data;
1216 struct iw_public_data wireless_data;
1217 /* MIC stuff */
1218 struct crypto_cipher *tfm;
1219 mic_module mod[2];
1220 mic_statistics micstats;
1221 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1222 HostTxDesc txfids[MPI_MAX_FIDS];
1223 HostRidDesc config_desc;
1224 unsigned long ridbus; // phys addr of config_desc
1225 struct sk_buff_head txq;// tx queue used by mpi350 code
1226 struct pci_dev *pci;
1227 unsigned char __iomem *pcimem;
1228 unsigned char __iomem *pciaux;
1229 unsigned char *shared;
1230 dma_addr_t shared_dma;
1231 pm_message_t power;
1232 SsidRid *SSID;
1233 APListRid *APList;
1234 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1235 char proc_name[IFNAMSIZ];
1236
1237 int wep_capable;
1238 int max_wep_idx;
1239
1240 /* WPA-related stuff */
1241 unsigned int bssListFirst;
1242 unsigned int bssListNext;
1243 unsigned int bssListRidLen;
1244
1245 struct list_head network_list;
1246 struct list_head network_free_list;
1247 BSSListElement *networks;
1248 };
1249
1250 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1251 int whichbap)
1252 {
1253 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1254 }
1255
1256 static int setup_proc_entry( struct net_device *dev,
1257 struct airo_info *apriv );
1258 static int takedown_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260
1261 static int cmdreset(struct airo_info *ai);
1262 static int setflashmode (struct airo_info *ai);
1263 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1264 static int flashputbuf(struct airo_info *ai);
1265 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1266
1267 #define airo_print(type, name, fmt, args...) \
1268 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1269
1270 #define airo_print_info(name, fmt, args...) \
1271 airo_print(KERN_INFO, name, fmt, ##args)
1272
1273 #define airo_print_dbg(name, fmt, args...) \
1274 airo_print(KERN_DEBUG, name, fmt, ##args)
1275
1276 #define airo_print_warn(name, fmt, args...) \
1277 airo_print(KERN_WARNING, name, fmt, ##args)
1278
1279 #define airo_print_err(name, fmt, args...) \
1280 airo_print(KERN_ERR, name, fmt, ##args)
1281
1282 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1283
1284 /***********************************************************************
1285 * MIC ROUTINES *
1286 ***********************************************************************
1287 */
1288
1289 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1290 static void MoveWindow(miccntx *context, u32 micSeq);
1291 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1292 struct crypto_cipher *tfm);
1293 static void emmh32_init(emmh32_context *context);
1294 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1295 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1296 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1297
1298 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1299 struct crypto_cipher *tfm)
1300 {
1301 /* If the current MIC context is valid and its key is the same as
1302 * the MIC register, there's nothing to do.
1303 */
1304 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1305 return;
1306
1307 /* Age current mic Context */
1308 memcpy(old, cur, sizeof(*cur));
1309
1310 /* Initialize new context */
1311 memcpy(cur->key, key, key_len);
1312 cur->window = 33; /* Window always points to the middle */
1313 cur->rx = 0; /* Rx Sequence numbers */
1314 cur->tx = 0; /* Tx sequence numbers */
1315 cur->valid = 1; /* Key is now valid */
1316
1317 /* Give key to mic seed */
1318 emmh32_setseed(&cur->seed, key, key_len, tfm);
1319 }
1320
1321 /* micinit - Initialize mic seed */
1322
1323 static void micinit(struct airo_info *ai)
1324 {
1325 MICRid mic_rid;
1326
1327 clear_bit(JOB_MIC, &ai->jobs);
1328 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1329 up(&ai->sem);
1330
1331 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1332 if (!ai->micstats.enabled) {
1333 /* So next time we have a valid key and mic is enabled, we will
1334 * update the sequence number if the key is the same as before.
1335 */
1336 ai->mod[0].uCtx.valid = 0;
1337 ai->mod[0].mCtx.valid = 0;
1338 return;
1339 }
1340
1341 if (mic_rid.multicastValid) {
1342 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1343 mic_rid.multicast, sizeof(mic_rid.multicast),
1344 ai->tfm);
1345 }
1346
1347 if (mic_rid.unicastValid) {
1348 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1349 mic_rid.unicast, sizeof(mic_rid.unicast),
1350 ai->tfm);
1351 }
1352 }
1353
1354 /* micsetup - Get ready for business */
1355
1356 static int micsetup(struct airo_info *ai) {
1357 int i;
1358
1359 if (ai->tfm == NULL)
1360 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1361
1362 if (IS_ERR(ai->tfm)) {
1363 airo_print_err(ai->dev->name, "failed to load transform for AES");
1364 ai->tfm = NULL;
1365 return ERROR;
1366 }
1367
1368 for (i=0; i < NUM_MODULES; i++) {
1369 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1370 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1371 }
1372 return SUCCESS;
1373 }
1374
1375 static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1376
1377 /*===========================================================================
1378 * Description: Mic a packet
1379 *
1380 * Inputs: etherHead * pointer to an 802.3 frame
1381 *
1382 * Returns: BOOLEAN if successful, otherwise false.
1383 * PacketTxLen will be updated with the mic'd packets size.
1384 *
1385 * Caveats: It is assumed that the frame buffer will already
1386 * be big enough to hold the largets mic message possible.
1387 * (No memory allocation is done here).
1388 *
1389 * Author: sbraneky (10/15/01)
1390 * Merciless hacks by rwilcher (1/14/02)
1391 */
1392
1393 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1394 {
1395 miccntx *context;
1396
1397 // Determine correct context
1398 // If not adhoc, always use unicast key
1399
1400 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1401 context = &ai->mod[0].mCtx;
1402 else
1403 context = &ai->mod[0].uCtx;
1404
1405 if (!context->valid)
1406 return ERROR;
1407
1408 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1409
1410 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1411
1412 // Add Tx sequence
1413 mic->seq = htonl(context->tx);
1414 context->tx += 2;
1415
1416 emmh32_init(&context->seed); // Mic the packet
1417 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1418 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1419 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1420 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1421 emmh32_final(&context->seed, (u8*)&mic->mic);
1422
1423 /* New Type/length ?????????? */
1424 mic->typelen = 0; //Let NIC know it could be an oversized packet
1425 return SUCCESS;
1426 }
1427
1428 typedef enum {
1429 NONE,
1430 NOMIC,
1431 NOMICPLUMMED,
1432 SEQUENCE,
1433 INCORRECTMIC,
1434 } mic_error;
1435
1436 /*===========================================================================
1437 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1438 * (removes the MIC stuff) if packet is a valid packet.
1439 *
1440 * Inputs: etherHead pointer to the 802.3 packet
1441 *
1442 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1443 *
1444 * Author: sbraneky (10/15/01)
1445 * Merciless hacks by rwilcher (1/14/02)
1446 *---------------------------------------------------------------------------
1447 */
1448
1449 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1450 {
1451 int i;
1452 u32 micSEQ;
1453 miccntx *context;
1454 u8 digest[4];
1455 mic_error micError = NONE;
1456
1457 // Check if the packet is a Mic'd packet
1458
1459 if (!ai->micstats.enabled) {
1460 //No Mic set or Mic OFF but we received a MIC'd packet.
1461 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1462 ai->micstats.rxMICPlummed++;
1463 return ERROR;
1464 }
1465 return SUCCESS;
1466 }
1467
1468 if (ntohs(mic->typelen) == 0x888E)
1469 return SUCCESS;
1470
1471 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1472 // Mic enabled but packet isn't Mic'd
1473 ai->micstats.rxMICPlummed++;
1474 return ERROR;
1475 }
1476
1477 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1478
1479 //At this point we a have a mic'd packet and mic is enabled
1480 //Now do the mic error checking.
1481
1482 //Receive seq must be odd
1483 if ( (micSEQ & 1) == 0 ) {
1484 ai->micstats.rxWrongSequence++;
1485 return ERROR;
1486 }
1487
1488 for (i = 0; i < NUM_MODULES; i++) {
1489 int mcast = eth->da[0] & 1;
1490 //Determine proper context
1491 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1492
1493 //Make sure context is valid
1494 if (!context->valid) {
1495 if (i == 0)
1496 micError = NOMICPLUMMED;
1497 continue;
1498 }
1499 //DeMic it
1500
1501 if (!mic->typelen)
1502 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1503
1504 emmh32_init(&context->seed);
1505 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1506 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1507 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1508 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1509 //Calculate MIC
1510 emmh32_final(&context->seed, digest);
1511
1512 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1513 //Invalid Mic
1514 if (i == 0)
1515 micError = INCORRECTMIC;
1516 continue;
1517 }
1518
1519 //Check Sequence number if mics pass
1520 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1521 ai->micstats.rxSuccess++;
1522 return SUCCESS;
1523 }
1524 if (i == 0)
1525 micError = SEQUENCE;
1526 }
1527
1528 // Update statistics
1529 switch (micError) {
1530 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1531 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1532 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1533 case NONE: break;
1534 case NOMIC: break;
1535 }
1536 return ERROR;
1537 }
1538
1539 /*===========================================================================
1540 * Description: Checks the Rx Seq number to make sure it is valid
1541 * and hasn't already been received
1542 *
1543 * Inputs: miccntx - mic context to check seq against
1544 * micSeq - the Mic seq number
1545 *
1546 * Returns: TRUE if valid otherwise FALSE.
1547 *
1548 * Author: sbraneky (10/15/01)
1549 * Merciless hacks by rwilcher (1/14/02)
1550 *---------------------------------------------------------------------------
1551 */
1552
1553 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1554 {
1555 u32 seq,index;
1556
1557 //Allow for the ap being rebooted - if it is then use the next
1558 //sequence number of the current sequence number - might go backwards
1559
1560 if (mcast) {
1561 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1562 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1563 context->window = (micSeq > 33) ? micSeq : 33;
1564 context->rx = 0; // Reset rx
1565 }
1566 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1567 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1568 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1569 context->rx = 0; // Reset rx
1570 }
1571
1572 //Make sequence number relative to START of window
1573 seq = micSeq - (context->window - 33);
1574
1575 //Too old of a SEQ number to check.
1576 if ((s32)seq < 0)
1577 return ERROR;
1578
1579 if ( seq > 64 ) {
1580 //Window is infinite forward
1581 MoveWindow(context,micSeq);
1582 return SUCCESS;
1583 }
1584
1585 // We are in the window. Now check the context rx bit to see if it was already sent
1586 seq >>= 1; //divide by 2 because we only have odd numbers
1587 index = 1 << seq; //Get an index number
1588
1589 if (!(context->rx & index)) {
1590 //micSEQ falls inside the window.
1591 //Add seqence number to the list of received numbers.
1592 context->rx |= index;
1593
1594 MoveWindow(context,micSeq);
1595
1596 return SUCCESS;
1597 }
1598 return ERROR;
1599 }
1600
1601 static void MoveWindow(miccntx *context, u32 micSeq)
1602 {
1603 u32 shift;
1604
1605 //Move window if seq greater than the middle of the window
1606 if (micSeq > context->window) {
1607 shift = (micSeq - context->window) >> 1;
1608
1609 //Shift out old
1610 if (shift < 32)
1611 context->rx >>= shift;
1612 else
1613 context->rx = 0;
1614
1615 context->window = micSeq; //Move window
1616 }
1617 }
1618
1619 /*==============================================*/
1620 /*========== EMMH ROUTINES ====================*/
1621 /*==============================================*/
1622
1623 /* mic accumulate */
1624 #define MIC_ACCUM(val) \
1625 context->accum += (u64)(val) * context->coeff[coeff_position++];
1626
1627 static unsigned char aes_counter[16];
1628
1629 /* expand the key to fill the MMH coefficient array */
1630 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1631 struct crypto_cipher *tfm)
1632 {
1633 /* take the keying material, expand if necessary, truncate at 16-bytes */
1634 /* run through AES counter mode to generate context->coeff[] */
1635
1636 int i,j;
1637 u32 counter;
1638 u8 *cipher, plain[16];
1639
1640 crypto_cipher_setkey(tfm, pkey, 16);
1641 counter = 0;
1642 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1643 aes_counter[15] = (u8)(counter >> 0);
1644 aes_counter[14] = (u8)(counter >> 8);
1645 aes_counter[13] = (u8)(counter >> 16);
1646 aes_counter[12] = (u8)(counter >> 24);
1647 counter++;
1648 memcpy (plain, aes_counter, 16);
1649 crypto_cipher_encrypt_one(tfm, plain, plain);
1650 cipher = plain;
1651 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1652 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1653 j += 4;
1654 }
1655 }
1656 }
1657
1658 /* prepare for calculation of a new mic */
1659 static void emmh32_init(emmh32_context *context)
1660 {
1661 /* prepare for new mic calculation */
1662 context->accum = 0;
1663 context->position = 0;
1664 }
1665
1666 /* add some bytes to the mic calculation */
1667 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1668 {
1669 int coeff_position, byte_position;
1670
1671 if (len == 0) return;
1672
1673 coeff_position = context->position >> 2;
1674
1675 /* deal with partial 32-bit word left over from last update */
1676 byte_position = context->position & 3;
1677 if (byte_position) {
1678 /* have a partial word in part to deal with */
1679 do {
1680 if (len == 0) return;
1681 context->part.d8[byte_position++] = *pOctets++;
1682 context->position++;
1683 len--;
1684 } while (byte_position < 4);
1685 MIC_ACCUM(ntohl(context->part.d32));
1686 }
1687
1688 /* deal with full 32-bit words */
1689 while (len >= 4) {
1690 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1691 context->position += 4;
1692 pOctets += 4;
1693 len -= 4;
1694 }
1695
1696 /* deal with partial 32-bit word that will be left over from this update */
1697 byte_position = 0;
1698 while (len > 0) {
1699 context->part.d8[byte_position++] = *pOctets++;
1700 context->position++;
1701 len--;
1702 }
1703 }
1704
1705 /* mask used to zero empty bytes for final partial word */
1706 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1707
1708 /* calculate the mic */
1709 static void emmh32_final(emmh32_context *context, u8 digest[4])
1710 {
1711 int coeff_position, byte_position;
1712 u32 val;
1713
1714 u64 sum, utmp;
1715 s64 stmp;
1716
1717 coeff_position = context->position >> 2;
1718
1719 /* deal with partial 32-bit word left over from last update */
1720 byte_position = context->position & 3;
1721 if (byte_position) {
1722 /* have a partial word in part to deal with */
1723 val = ntohl(context->part.d32);
1724 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1725 }
1726
1727 /* reduce the accumulated u64 to a 32-bit MIC */
1728 sum = context->accum;
1729 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1730 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1731 sum = utmp & 0xffffffffLL;
1732 if (utmp > 0x10000000fLL)
1733 sum -= 15;
1734
1735 val = (u32)sum;
1736 digest[0] = (val>>24) & 0xFF;
1737 digest[1] = (val>>16) & 0xFF;
1738 digest[2] = (val>>8) & 0xFF;
1739 digest[3] = val & 0xFF;
1740 }
1741
1742 static int readBSSListRid(struct airo_info *ai, int first,
1743 BSSListRid *list)
1744 {
1745 Cmd cmd;
1746 Resp rsp;
1747
1748 if (first == 1) {
1749 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1750 memset(&cmd, 0, sizeof(cmd));
1751 cmd.cmd=CMD_LISTBSS;
1752 if (down_interruptible(&ai->sem))
1753 return -ERESTARTSYS;
1754 ai->list_bss_task = current;
1755 issuecommand(ai, &cmd, &rsp);
1756 up(&ai->sem);
1757 /* Let the command take effect */
1758 schedule_timeout_uninterruptible(3 * HZ);
1759 ai->list_bss_task = NULL;
1760 }
1761 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1762 list, ai->bssListRidLen, 1);
1763 }
1764
1765 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1766 {
1767 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1768 wkr, sizeof(*wkr), lock);
1769 }
1770
1771 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1772 {
1773 int rc;
1774 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1775 if (rc!=SUCCESS)
1776 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1777 if (perm) {
1778 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1779 if (rc!=SUCCESS)
1780 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1781 }
1782 return rc;
1783 }
1784
1785 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1786 {
1787 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1788 }
1789
1790 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1791 {
1792 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1793 }
1794
1795 static int readConfigRid(struct airo_info *ai, int lock)
1796 {
1797 int rc;
1798 ConfigRid cfg;
1799
1800 if (ai->config.len)
1801 return SUCCESS;
1802
1803 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1804 if (rc != SUCCESS)
1805 return rc;
1806
1807 ai->config = cfg;
1808 return SUCCESS;
1809 }
1810
1811 static inline void checkThrottle(struct airo_info *ai)
1812 {
1813 int i;
1814 /* Old hardware had a limit on encryption speed */
1815 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1816 for(i=0; i<8; i++) {
1817 if (ai->config.rates[i] > maxencrypt) {
1818 ai->config.rates[i] = 0;
1819 }
1820 }
1821 }
1822 }
1823
1824 static int writeConfigRid(struct airo_info *ai, int lock)
1825 {
1826 ConfigRid cfgr;
1827
1828 if (!test_bit (FLAG_COMMIT, &ai->flags))
1829 return SUCCESS;
1830
1831 clear_bit (FLAG_COMMIT, &ai->flags);
1832 clear_bit (FLAG_RESET, &ai->flags);
1833 checkThrottle(ai);
1834 cfgr = ai->config;
1835
1836 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1837 set_bit(FLAG_ADHOC, &ai->flags);
1838 else
1839 clear_bit(FLAG_ADHOC, &ai->flags);
1840
1841 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1842 }
1843
1844 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1845 {
1846 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1847 }
1848
1849 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1850 {
1851 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1852 }
1853
1854 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1855 {
1856 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1857 }
1858
1859 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1860 {
1861 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1862 }
1863
1864 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1865 {
1866 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1867 }
1868
1869 static void try_auto_wep(struct airo_info *ai)
1870 {
1871 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1872 ai->expires = RUN_AT(3*HZ);
1873 wake_up_interruptible(&ai->thr_wait);
1874 }
1875 }
1876
1877 static int airo_open(struct net_device *dev) {
1878 struct airo_info *ai = dev->ml_priv;
1879 int rc = 0;
1880
1881 if (test_bit(FLAG_FLASHING, &ai->flags))
1882 return -EIO;
1883
1884 /* Make sure the card is configured.
1885 * Wireless Extensions may postpone config changes until the card
1886 * is open (to pipeline changes and speed-up card setup). If
1887 * those changes are not yet commited, do it now - Jean II */
1888 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1889 disable_MAC(ai, 1);
1890 writeConfigRid(ai, 1);
1891 }
1892
1893 if (ai->wifidev != dev) {
1894 clear_bit(JOB_DIE, &ai->jobs);
1895 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1896 if (IS_ERR(ai->airo_thread_task))
1897 return (int)PTR_ERR(ai->airo_thread_task);
1898
1899 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1900 dev->name, dev);
1901 if (rc) {
1902 airo_print_err(dev->name,
1903 "register interrupt %d failed, rc %d",
1904 dev->irq, rc);
1905 set_bit(JOB_DIE, &ai->jobs);
1906 kthread_stop(ai->airo_thread_task);
1907 return rc;
1908 }
1909
1910 /* Power on the MAC controller (which may have been disabled) */
1911 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1912 enable_interrupts(ai);
1913
1914 try_auto_wep(ai);
1915 }
1916 enable_MAC(ai, 1);
1917
1918 netif_start_queue(dev);
1919 return 0;
1920 }
1921
1922 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1923 struct net_device *dev)
1924 {
1925 int npacks, pending;
1926 unsigned long flags;
1927 struct airo_info *ai = dev->ml_priv;
1928
1929 if (!skb) {
1930 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1931 return NETDEV_TX_OK;
1932 }
1933 npacks = skb_queue_len (&ai->txq);
1934
1935 if (npacks >= MAXTXQ - 1) {
1936 netif_stop_queue (dev);
1937 if (npacks > MAXTXQ) {
1938 dev->stats.tx_fifo_errors++;
1939 return NETDEV_TX_BUSY;
1940 }
1941 skb_queue_tail (&ai->txq, skb);
1942 return NETDEV_TX_OK;
1943 }
1944
1945 spin_lock_irqsave(&ai->aux_lock, flags);
1946 skb_queue_tail (&ai->txq, skb);
1947 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1948 spin_unlock_irqrestore(&ai->aux_lock,flags);
1949 netif_wake_queue (dev);
1950
1951 if (pending == 0) {
1952 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1953 mpi_send_packet (dev);
1954 }
1955 return NETDEV_TX_OK;
1956 }
1957
1958 /*
1959 * @mpi_send_packet
1960 *
1961 * Attempt to transmit a packet. Can be called from interrupt
1962 * or transmit . return number of packets we tried to send
1963 */
1964
1965 static int mpi_send_packet (struct net_device *dev)
1966 {
1967 struct sk_buff *skb;
1968 unsigned char *buffer;
1969 s16 len;
1970 __le16 *payloadLen;
1971 struct airo_info *ai = dev->ml_priv;
1972 u8 *sendbuf;
1973
1974 /* get a packet to send */
1975
1976 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1977 airo_print_err(dev->name,
1978 "%s: Dequeue'd zero in send_packet()",
1979 __func__);
1980 return 0;
1981 }
1982
1983 /* check min length*/
1984 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1985 buffer = skb->data;
1986
1987 ai->txfids[0].tx_desc.offset = 0;
1988 ai->txfids[0].tx_desc.valid = 1;
1989 ai->txfids[0].tx_desc.eoc = 1;
1990 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1991
1992 /*
1993 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1994 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1995 * is immediatly after it. ------------------------------------------------
1996 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1997 * ------------------------------------------------
1998 */
1999
2000 memcpy((char *)ai->txfids[0].virtual_host_addr,
2001 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2002
2003 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2004 sizeof(wifictlhdr8023));
2005 sendbuf = ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023) + 2 ;
2007
2008 /*
2009 * Firmware automaticly puts 802 header on so
2010 * we don't need to account for it in the length
2011 */
2012 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2013 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2014 MICBuffer pMic;
2015
2016 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2017 return ERROR;
2018
2019 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2020 ai->txfids[0].tx_desc.len += sizeof(pMic);
2021 /* copy data into airo dma buffer */
2022 memcpy (sendbuf, buffer, sizeof(etherHead));
2023 buffer += sizeof(etherHead);
2024 sendbuf += sizeof(etherHead);
2025 memcpy (sendbuf, &pMic, sizeof(pMic));
2026 sendbuf += sizeof(pMic);
2027 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2028 } else {
2029 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2030
2031 dev->trans_start = jiffies;
2032
2033 /* copy data into airo dma buffer */
2034 memcpy(sendbuf, buffer, len);
2035 }
2036
2037 memcpy_toio(ai->txfids[0].card_ram_off,
2038 &ai->txfids[0].tx_desc, sizeof(TxFid));
2039
2040 OUT4500(ai, EVACK, 8);
2041
2042 dev_kfree_skb_any(skb);
2043 return 1;
2044 }
2045
2046 static void get_tx_error(struct airo_info *ai, s32 fid)
2047 {
2048 __le16 status;
2049
2050 if (fid < 0)
2051 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2052 else {
2053 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2054 return;
2055 bap_read(ai, &status, 2, BAP0);
2056 }
2057 if (le16_to_cpu(status) & 2) /* Too many retries */
2058 ai->dev->stats.tx_aborted_errors++;
2059 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2060 ai->dev->stats.tx_heartbeat_errors++;
2061 if (le16_to_cpu(status) & 8) /* Aid fail */
2062 { }
2063 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2064 ai->dev->stats.tx_carrier_errors++;
2065 if (le16_to_cpu(status) & 0x20) /* Association lost */
2066 { }
2067 /* We produce a TXDROP event only for retry or lifetime
2068 * exceeded, because that's the only status that really mean
2069 * that this particular node went away.
2070 * Other errors means that *we* screwed up. - Jean II */
2071 if ((le16_to_cpu(status) & 2) ||
2072 (le16_to_cpu(status) & 4)) {
2073 union iwreq_data wrqu;
2074 char junk[0x18];
2075
2076 /* Faster to skip over useless data than to do
2077 * another bap_setup(). We are at offset 0x6 and
2078 * need to go to 0x18 and read 6 bytes - Jean II */
2079 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2080
2081 /* Copy 802.11 dest address.
2082 * We use the 802.11 header because the frame may
2083 * not be 802.3 or may be mangled...
2084 * In Ad-Hoc mode, it will be the node address.
2085 * In managed mode, it will be most likely the AP addr
2086 * User space will figure out how to convert it to
2087 * whatever it needs (IP address or else).
2088 * - Jean II */
2089 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2090 wrqu.addr.sa_family = ARPHRD_ETHER;
2091
2092 /* Send event to user space */
2093 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2094 }
2095 }
2096
2097 static void airo_end_xmit(struct net_device *dev) {
2098 u16 status;
2099 int i;
2100 struct airo_info *priv = dev->ml_priv;
2101 struct sk_buff *skb = priv->xmit.skb;
2102 int fid = priv->xmit.fid;
2103 u32 *fids = priv->fids;
2104
2105 clear_bit(JOB_XMIT, &priv->jobs);
2106 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2107 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2108 up(&priv->sem);
2109
2110 i = 0;
2111 if ( status == SUCCESS ) {
2112 dev->trans_start = jiffies;
2113 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2114 } else {
2115 priv->fids[fid] &= 0xffff;
2116 dev->stats.tx_window_errors++;
2117 }
2118 if (i < MAX_FIDS / 2)
2119 netif_wake_queue(dev);
2120 dev_kfree_skb(skb);
2121 }
2122
2123 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2124 struct net_device *dev)
2125 {
2126 s16 len;
2127 int i, j;
2128 struct airo_info *priv = dev->ml_priv;
2129 u32 *fids = priv->fids;
2130
2131 if ( skb == NULL ) {
2132 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2133 return NETDEV_TX_OK;
2134 }
2135
2136 /* Find a vacant FID */
2137 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2138 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2139
2140 if ( j >= MAX_FIDS / 2 ) {
2141 netif_stop_queue(dev);
2142
2143 if (i == MAX_FIDS / 2) {
2144 dev->stats.tx_fifo_errors++;
2145 return NETDEV_TX_BUSY;
2146 }
2147 }
2148 /* check min length*/
2149 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2150 /* Mark fid as used & save length for later */
2151 fids[i] |= (len << 16);
2152 priv->xmit.skb = skb;
2153 priv->xmit.fid = i;
2154 if (down_trylock(&priv->sem) != 0) {
2155 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2156 netif_stop_queue(dev);
2157 set_bit(JOB_XMIT, &priv->jobs);
2158 wake_up_interruptible(&priv->thr_wait);
2159 } else
2160 airo_end_xmit(dev);
2161 return NETDEV_TX_OK;
2162 }
2163
2164 static void airo_end_xmit11(struct net_device *dev) {
2165 u16 status;
2166 int i;
2167 struct airo_info *priv = dev->ml_priv;
2168 struct sk_buff *skb = priv->xmit11.skb;
2169 int fid = priv->xmit11.fid;
2170 u32 *fids = priv->fids;
2171
2172 clear_bit(JOB_XMIT11, &priv->jobs);
2173 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2174 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2175 up(&priv->sem);
2176
2177 i = MAX_FIDS / 2;
2178 if ( status == SUCCESS ) {
2179 dev->trans_start = jiffies;
2180 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2181 } else {
2182 priv->fids[fid] &= 0xffff;
2183 dev->stats.tx_window_errors++;
2184 }
2185 if (i < MAX_FIDS)
2186 netif_wake_queue(dev);
2187 dev_kfree_skb(skb);
2188 }
2189
2190 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2191 struct net_device *dev)
2192 {
2193 s16 len;
2194 int i, j;
2195 struct airo_info *priv = dev->ml_priv;
2196 u32 *fids = priv->fids;
2197
2198 if (test_bit(FLAG_MPI, &priv->flags)) {
2199 /* Not implemented yet for MPI350 */
2200 netif_stop_queue(dev);
2201 dev_kfree_skb_any(skb);
2202 return NETDEV_TX_OK;
2203 }
2204
2205 if ( skb == NULL ) {
2206 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2207 return NETDEV_TX_OK;
2208 }
2209
2210 /* Find a vacant FID */
2211 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2212 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2213
2214 if ( j >= MAX_FIDS ) {
2215 netif_stop_queue(dev);
2216
2217 if (i == MAX_FIDS) {
2218 dev->stats.tx_fifo_errors++;
2219 return NETDEV_TX_BUSY;
2220 }
2221 }
2222 /* check min length*/
2223 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2224 /* Mark fid as used & save length for later */
2225 fids[i] |= (len << 16);
2226 priv->xmit11.skb = skb;
2227 priv->xmit11.fid = i;
2228 if (down_trylock(&priv->sem) != 0) {
2229 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2230 netif_stop_queue(dev);
2231 set_bit(JOB_XMIT11, &priv->jobs);
2232 wake_up_interruptible(&priv->thr_wait);
2233 } else
2234 airo_end_xmit11(dev);
2235 return NETDEV_TX_OK;
2236 }
2237
2238 static void airo_read_stats(struct net_device *dev)
2239 {
2240 struct airo_info *ai = dev->ml_priv;
2241 StatsRid stats_rid;
2242 __le32 *vals = stats_rid.vals;
2243
2244 clear_bit(JOB_STATS, &ai->jobs);
2245 if (ai->power.event) {
2246 up(&ai->sem);
2247 return;
2248 }
2249 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2250 up(&ai->sem);
2251
2252 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2253 le32_to_cpu(vals[45]);
2254 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2255 le32_to_cpu(vals[41]);
2256 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2257 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2258 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2259 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2260 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2261 dev->stats.tx_fifo_errors;
2262 dev->stats.multicast = le32_to_cpu(vals[43]);
2263 dev->stats.collisions = le32_to_cpu(vals[89]);
2264
2265 /* detailed rx_errors: */
2266 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2267 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2268 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2269 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2270 }
2271
2272 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2273 {
2274 struct airo_info *local = dev->ml_priv;
2275
2276 if (!test_bit(JOB_STATS, &local->jobs)) {
2277 /* Get stats out of the card if available */
2278 if (down_trylock(&local->sem) != 0) {
2279 set_bit(JOB_STATS, &local->jobs);
2280 wake_up_interruptible(&local->thr_wait);
2281 } else
2282 airo_read_stats(dev);
2283 }
2284
2285 return &dev->stats;
2286 }
2287
2288 static void airo_set_promisc(struct airo_info *ai) {
2289 Cmd cmd;
2290 Resp rsp;
2291
2292 memset(&cmd, 0, sizeof(cmd));
2293 cmd.cmd=CMD_SETMODE;
2294 clear_bit(JOB_PROMISC, &ai->jobs);
2295 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2296 issuecommand(ai, &cmd, &rsp);
2297 up(&ai->sem);
2298 }
2299
2300 static void airo_set_multicast_list(struct net_device *dev) {
2301 struct airo_info *ai = dev->ml_priv;
2302
2303 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2304 change_bit(FLAG_PROMISC, &ai->flags);
2305 if (down_trylock(&ai->sem) != 0) {
2306 set_bit(JOB_PROMISC, &ai->jobs);
2307 wake_up_interruptible(&ai->thr_wait);
2308 } else
2309 airo_set_promisc(ai);
2310 }
2311
2312 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2313 /* Turn on multicast. (Should be already setup...) */
2314 }
2315 }
2316
2317 static int airo_set_mac_address(struct net_device *dev, void *p)
2318 {
2319 struct airo_info *ai = dev->ml_priv;
2320 struct sockaddr *addr = p;
2321
2322 readConfigRid(ai, 1);
2323 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2324 set_bit (FLAG_COMMIT, &ai->flags);
2325 disable_MAC(ai, 1);
2326 writeConfigRid (ai, 1);
2327 enable_MAC(ai, 1);
2328 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2329 if (ai->wifidev)
2330 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2331 return 0;
2332 }
2333
2334 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2335 {
2336 if ((new_mtu < 68) || (new_mtu > 2400))
2337 return -EINVAL;
2338 dev->mtu = new_mtu;
2339 return 0;
2340 }
2341
2342 static LIST_HEAD(airo_devices);
2343
2344 static void add_airo_dev(struct airo_info *ai)
2345 {
2346 /* Upper layers already keep track of PCI devices,
2347 * so we only need to remember our non-PCI cards. */
2348 if (!ai->pci)
2349 list_add_tail(&ai->dev_list, &airo_devices);
2350 }
2351
2352 static void del_airo_dev(struct airo_info *ai)
2353 {
2354 if (!ai->pci)
2355 list_del(&ai->dev_list);
2356 }
2357
2358 static int airo_close(struct net_device *dev) {
2359 struct airo_info *ai = dev->ml_priv;
2360
2361 netif_stop_queue(dev);
2362
2363 if (ai->wifidev != dev) {
2364 #ifdef POWER_ON_DOWN
2365 /* Shut power to the card. The idea is that the user can save
2366 * power when he doesn't need the card with "ifconfig down".
2367 * That's the method that is most friendly towards the network
2368 * stack (i.e. the network stack won't try to broadcast
2369 * anything on the interface and routes are gone. Jean II */
2370 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2371 disable_MAC(ai, 1);
2372 #endif
2373 disable_interrupts( ai );
2374
2375 free_irq(dev->irq, dev);
2376
2377 set_bit(JOB_DIE, &ai->jobs);
2378 kthread_stop(ai->airo_thread_task);
2379 }
2380 return 0;
2381 }
2382
2383 void stop_airo_card( struct net_device *dev, int freeres )
2384 {
2385 struct airo_info *ai = dev->ml_priv;
2386
2387 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2388 disable_MAC(ai, 1);
2389 disable_interrupts(ai);
2390 takedown_proc_entry( dev, ai );
2391 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2392 unregister_netdev( dev );
2393 if (ai->wifidev) {
2394 unregister_netdev(ai->wifidev);
2395 free_netdev(ai->wifidev);
2396 ai->wifidev = NULL;
2397 }
2398 clear_bit(FLAG_REGISTERED, &ai->flags);
2399 }
2400 /*
2401 * Clean out tx queue
2402 */
2403 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2404 struct sk_buff *skb = NULL;
2405 for (;(skb = skb_dequeue(&ai->txq));)
2406 dev_kfree_skb(skb);
2407 }
2408
2409 airo_networks_free (ai);
2410
2411 kfree(ai->flash);
2412 kfree(ai->rssi);
2413 kfree(ai->APList);
2414 kfree(ai->SSID);
2415 if (freeres) {
2416 /* PCMCIA frees this stuff, so only for PCI and ISA */
2417 release_region( dev->base_addr, 64 );
2418 if (test_bit(FLAG_MPI, &ai->flags)) {
2419 if (ai->pci)
2420 mpi_unmap_card(ai->pci);
2421 if (ai->pcimem)
2422 iounmap(ai->pcimem);
2423 if (ai->pciaux)
2424 iounmap(ai->pciaux);
2425 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2426 ai->shared, ai->shared_dma);
2427 }
2428 }
2429 crypto_free_cipher(ai->tfm);
2430 del_airo_dev(ai);
2431 free_netdev( dev );
2432 }
2433
2434 EXPORT_SYMBOL(stop_airo_card);
2435
2436 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2437 {
2438 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2439 return ETH_ALEN;
2440 }
2441
2442 static void mpi_unmap_card(struct pci_dev *pci)
2443 {
2444 unsigned long mem_start = pci_resource_start(pci, 1);
2445 unsigned long mem_len = pci_resource_len(pci, 1);
2446 unsigned long aux_start = pci_resource_start(pci, 2);
2447 unsigned long aux_len = AUXMEMSIZE;
2448
2449 release_mem_region(aux_start, aux_len);
2450 release_mem_region(mem_start, mem_len);
2451 }
2452
2453 /*************************************************************
2454 * This routine assumes that descriptors have been setup .
2455 * Run at insmod time or after reset when the decriptors
2456 * have been initialized . Returns 0 if all is well nz
2457 * otherwise . Does not allocate memory but sets up card
2458 * using previously allocated descriptors.
2459 */
2460 static int mpi_init_descriptors (struct airo_info *ai)
2461 {
2462 Cmd cmd;
2463 Resp rsp;
2464 int i;
2465 int rc = SUCCESS;
2466
2467 /* Alloc card RX descriptors */
2468 netif_stop_queue(ai->dev);
2469
2470 memset(&rsp,0,sizeof(rsp));
2471 memset(&cmd,0,sizeof(cmd));
2472
2473 cmd.cmd = CMD_ALLOCATEAUX;
2474 cmd.parm0 = FID_RX;
2475 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2476 cmd.parm2 = MPI_MAX_FIDS;
2477 rc=issuecommand(ai, &cmd, &rsp);
2478 if (rc != SUCCESS) {
2479 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2480 return rc;
2481 }
2482
2483 for (i=0; i<MPI_MAX_FIDS; i++) {
2484 memcpy_toio(ai->rxfids[i].card_ram_off,
2485 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2486 }
2487
2488 /* Alloc card TX descriptors */
2489
2490 memset(&rsp,0,sizeof(rsp));
2491 memset(&cmd,0,sizeof(cmd));
2492
2493 cmd.cmd = CMD_ALLOCATEAUX;
2494 cmd.parm0 = FID_TX;
2495 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2496 cmd.parm2 = MPI_MAX_FIDS;
2497
2498 for (i=0; i<MPI_MAX_FIDS; i++) {
2499 ai->txfids[i].tx_desc.valid = 1;
2500 memcpy_toio(ai->txfids[i].card_ram_off,
2501 &ai->txfids[i].tx_desc, sizeof(TxFid));
2502 }
2503 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2504
2505 rc=issuecommand(ai, &cmd, &rsp);
2506 if (rc != SUCCESS) {
2507 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2508 return rc;
2509 }
2510
2511 /* Alloc card Rid descriptor */
2512 memset(&rsp,0,sizeof(rsp));
2513 memset(&cmd,0,sizeof(cmd));
2514
2515 cmd.cmd = CMD_ALLOCATEAUX;
2516 cmd.parm0 = RID_RW;
2517 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2518 cmd.parm2 = 1; /* Magic number... */
2519 rc=issuecommand(ai, &cmd, &rsp);
2520 if (rc != SUCCESS) {
2521 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2522 return rc;
2523 }
2524
2525 memcpy_toio(ai->config_desc.card_ram_off,
2526 &ai->config_desc.rid_desc, sizeof(Rid));
2527
2528 return rc;
2529 }
2530
2531 /*
2532 * We are setting up three things here:
2533 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2534 * 2) Map PCI memory for issueing commands.
2535 * 3) Allocate memory (shared) to send and receive ethernet frames.
2536 */
2537 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2538 {
2539 unsigned long mem_start, mem_len, aux_start, aux_len;
2540 int rc = -1;
2541 int i;
2542 dma_addr_t busaddroff;
2543 unsigned char *vpackoff;
2544 unsigned char __iomem *pciaddroff;
2545
2546 mem_start = pci_resource_start(pci, 1);
2547 mem_len = pci_resource_len(pci, 1);
2548 aux_start = pci_resource_start(pci, 2);
2549 aux_len = AUXMEMSIZE;
2550
2551 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2552 airo_print_err("", "Couldn't get region %x[%x]",
2553 (int)mem_start, (int)mem_len);
2554 goto out;
2555 }
2556 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2557 airo_print_err("", "Couldn't get region %x[%x]",
2558 (int)aux_start, (int)aux_len);
2559 goto free_region1;
2560 }
2561
2562 ai->pcimem = ioremap(mem_start, mem_len);
2563 if (!ai->pcimem) {
2564 airo_print_err("", "Couldn't map region %x[%x]",
2565 (int)mem_start, (int)mem_len);
2566 goto free_region2;
2567 }
2568 ai->pciaux = ioremap(aux_start, aux_len);
2569 if (!ai->pciaux) {
2570 airo_print_err("", "Couldn't map region %x[%x]",
2571 (int)aux_start, (int)aux_len);
2572 goto free_memmap;
2573 }
2574
2575 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2576 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2577 if (!ai->shared) {
2578 airo_print_err("", "Couldn't alloc_consistent %d",
2579 PCI_SHARED_LEN);
2580 goto free_auxmap;
2581 }
2582
2583 /*
2584 * Setup descriptor RX, TX, CONFIG
2585 */
2586 busaddroff = ai->shared_dma;
2587 pciaddroff = ai->pciaux + AUX_OFFSET;
2588 vpackoff = ai->shared;
2589
2590 /* RX descriptor setup */
2591 for(i = 0; i < MPI_MAX_FIDS; i++) {
2592 ai->rxfids[i].pending = 0;
2593 ai->rxfids[i].card_ram_off = pciaddroff;
2594 ai->rxfids[i].virtual_host_addr = vpackoff;
2595 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2596 ai->rxfids[i].rx_desc.valid = 1;
2597 ai->rxfids[i].rx_desc.len = PKTSIZE;
2598 ai->rxfids[i].rx_desc.rdy = 0;
2599
2600 pciaddroff += sizeof(RxFid);
2601 busaddroff += PKTSIZE;
2602 vpackoff += PKTSIZE;
2603 }
2604
2605 /* TX descriptor setup */
2606 for(i = 0; i < MPI_MAX_FIDS; i++) {
2607 ai->txfids[i].card_ram_off = pciaddroff;
2608 ai->txfids[i].virtual_host_addr = vpackoff;
2609 ai->txfids[i].tx_desc.valid = 1;
2610 ai->txfids[i].tx_desc.host_addr = busaddroff;
2611 memcpy(ai->txfids[i].virtual_host_addr,
2612 &wifictlhdr8023, sizeof(wifictlhdr8023));
2613
2614 pciaddroff += sizeof(TxFid);
2615 busaddroff += PKTSIZE;
2616 vpackoff += PKTSIZE;
2617 }
2618 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2619
2620 /* Rid descriptor setup */
2621 ai->config_desc.card_ram_off = pciaddroff;
2622 ai->config_desc.virtual_host_addr = vpackoff;
2623 ai->config_desc.rid_desc.host_addr = busaddroff;
2624 ai->ridbus = busaddroff;
2625 ai->config_desc.rid_desc.rid = 0;
2626 ai->config_desc.rid_desc.len = RIDSIZE;
2627 ai->config_desc.rid_desc.valid = 1;
2628 pciaddroff += sizeof(Rid);
2629 busaddroff += RIDSIZE;
2630 vpackoff += RIDSIZE;
2631
2632 /* Tell card about descriptors */
2633 if (mpi_init_descriptors (ai) != SUCCESS)
2634 goto free_shared;
2635
2636 return 0;
2637 free_shared:
2638 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2639 free_auxmap:
2640 iounmap(ai->pciaux);
2641 free_memmap:
2642 iounmap(ai->pcimem);
2643 free_region2:
2644 release_mem_region(aux_start, aux_len);
2645 free_region1:
2646 release_mem_region(mem_start, mem_len);
2647 out:
2648 return rc;
2649 }
2650
2651 static const struct header_ops airo_header_ops = {
2652 .parse = wll_header_parse,
2653 };
2654
2655 static const struct net_device_ops airo11_netdev_ops = {
2656 .ndo_open = airo_open,
2657 .ndo_stop = airo_close,
2658 .ndo_start_xmit = airo_start_xmit11,
2659 .ndo_get_stats = airo_get_stats,
2660 .ndo_set_mac_address = airo_set_mac_address,
2661 .ndo_do_ioctl = airo_ioctl,
2662 .ndo_change_mtu = airo_change_mtu,
2663 };
2664
2665 static void wifi_setup(struct net_device *dev)
2666 {
2667 dev->netdev_ops = &airo11_netdev_ops;
2668 dev->header_ops = &airo_header_ops;
2669 dev->wireless_handlers = &airo_handler_def;
2670
2671 dev->type = ARPHRD_IEEE80211;
2672 dev->hard_header_len = ETH_HLEN;
2673 dev->mtu = AIRO_DEF_MTU;
2674 dev->addr_len = ETH_ALEN;
2675 dev->tx_queue_len = 100;
2676
2677 memset(dev->broadcast,0xFF, ETH_ALEN);
2678
2679 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2680 }
2681
2682 static struct net_device *init_wifidev(struct airo_info *ai,
2683 struct net_device *ethdev)
2684 {
2685 int err;
2686 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2687 if (!dev)
2688 return NULL;
2689 dev->ml_priv = ethdev->ml_priv;
2690 dev->irq = ethdev->irq;
2691 dev->base_addr = ethdev->base_addr;
2692 dev->wireless_data = ethdev->wireless_data;
2693 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2694 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2695 err = register_netdev(dev);
2696 if (err<0) {
2697 free_netdev(dev);
2698 return NULL;
2699 }
2700 return dev;
2701 }
2702
2703 static int reset_card( struct net_device *dev , int lock) {
2704 struct airo_info *ai = dev->ml_priv;
2705
2706 if (lock && down_interruptible(&ai->sem))
2707 return -1;
2708 waitbusy (ai);
2709 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2710 msleep(200);
2711 waitbusy (ai);
2712 msleep(200);
2713 if (lock)
2714 up(&ai->sem);
2715 return 0;
2716 }
2717
2718 #define AIRO_MAX_NETWORK_COUNT 64
2719 static int airo_networks_allocate(struct airo_info *ai)
2720 {
2721 if (ai->networks)
2722 return 0;
2723
2724 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2725 GFP_KERNEL);
2726 if (!ai->networks) {
2727 airo_print_warn("", "Out of memory allocating beacons");
2728 return -ENOMEM;
2729 }
2730
2731 return 0;
2732 }
2733
2734 static void airo_networks_free(struct airo_info *ai)
2735 {
2736 kfree(ai->networks);
2737 ai->networks = NULL;
2738 }
2739
2740 static void airo_networks_initialize(struct airo_info *ai)
2741 {
2742 int i;
2743
2744 INIT_LIST_HEAD(&ai->network_free_list);
2745 INIT_LIST_HEAD(&ai->network_list);
2746 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2747 list_add_tail(&ai->networks[i].list,
2748 &ai->network_free_list);
2749 }
2750
2751 static const struct net_device_ops airo_netdev_ops = {
2752 .ndo_open = airo_open,
2753 .ndo_stop = airo_close,
2754 .ndo_start_xmit = airo_start_xmit,
2755 .ndo_get_stats = airo_get_stats,
2756 .ndo_set_multicast_list = airo_set_multicast_list,
2757 .ndo_set_mac_address = airo_set_mac_address,
2758 .ndo_do_ioctl = airo_ioctl,
2759 .ndo_change_mtu = airo_change_mtu,
2760 .ndo_validate_addr = eth_validate_addr,
2761 };
2762
2763 static const struct net_device_ops mpi_netdev_ops = {
2764 .ndo_open = airo_open,
2765 .ndo_stop = airo_close,
2766 .ndo_start_xmit = mpi_start_xmit,
2767 .ndo_get_stats = airo_get_stats,
2768 .ndo_set_multicast_list = airo_set_multicast_list,
2769 .ndo_set_mac_address = airo_set_mac_address,
2770 .ndo_do_ioctl = airo_ioctl,
2771 .ndo_change_mtu = airo_change_mtu,
2772 .ndo_validate_addr = eth_validate_addr,
2773 };
2774
2775
2776 static struct net_device *_init_airo_card( unsigned short irq, int port,
2777 int is_pcmcia, struct pci_dev *pci,
2778 struct device *dmdev )
2779 {
2780 struct net_device *dev;
2781 struct airo_info *ai;
2782 int i, rc;
2783 CapabilityRid cap_rid;
2784
2785 /* Create the network device object. */
2786 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2787 if (!dev) {
2788 airo_print_err("", "Couldn't alloc_etherdev");
2789 return NULL;
2790 }
2791
2792 ai = dev->ml_priv = netdev_priv(dev);
2793 ai->wifidev = NULL;
2794 ai->flags = 1 << FLAG_RADIO_DOWN;
2795 ai->jobs = 0;
2796 ai->dev = dev;
2797 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2798 airo_print_dbg("", "Found an MPI350 card");
2799 set_bit(FLAG_MPI, &ai->flags);
2800 }
2801 spin_lock_init(&ai->aux_lock);
2802 sema_init(&ai->sem, 1);
2803 ai->config.len = 0;
2804 ai->pci = pci;
2805 init_waitqueue_head (&ai->thr_wait);
2806 ai->tfm = NULL;
2807 add_airo_dev(ai);
2808
2809 if (airo_networks_allocate (ai))
2810 goto err_out_free;
2811 airo_networks_initialize (ai);
2812
2813 skb_queue_head_init (&ai->txq);
2814
2815 /* The Airo-specific entries in the device structure. */
2816 if (test_bit(FLAG_MPI,&ai->flags))
2817 dev->netdev_ops = &mpi_netdev_ops;
2818 else
2819 dev->netdev_ops = &airo_netdev_ops;
2820 dev->wireless_handlers = &airo_handler_def;
2821 ai->wireless_data.spy_data = &ai->spy_data;
2822 dev->wireless_data = &ai->wireless_data;
2823 dev->irq = irq;
2824 dev->base_addr = port;
2825
2826 SET_NETDEV_DEV(dev, dmdev);
2827
2828 reset_card (dev, 1);
2829 msleep(400);
2830
2831 if (!is_pcmcia) {
2832 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2833 rc = -EBUSY;
2834 airo_print_err(dev->name, "Couldn't request region");
2835 goto err_out_nets;
2836 }
2837 }
2838
2839 if (test_bit(FLAG_MPI,&ai->flags)) {
2840 if (mpi_map_card(ai, pci)) {
2841 airo_print_err("", "Could not map memory");
2842 goto err_out_res;
2843 }
2844 }
2845
2846 if (probe) {
2847 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2848 airo_print_err(dev->name, "MAC could not be enabled" );
2849 rc = -EIO;
2850 goto err_out_map;
2851 }
2852 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2853 ai->bap_read = fast_bap_read;
2854 set_bit(FLAG_FLASHING, &ai->flags);
2855 }
2856
2857 strcpy(dev->name, "eth%d");
2858 rc = register_netdev(dev);
2859 if (rc) {
2860 airo_print_err(dev->name, "Couldn't register_netdev");
2861 goto err_out_map;
2862 }
2863 ai->wifidev = init_wifidev(ai, dev);
2864 if (!ai->wifidev)
2865 goto err_out_reg;
2866
2867 rc = readCapabilityRid(ai, &cap_rid, 1);
2868 if (rc != SUCCESS) {
2869 rc = -EIO;
2870 goto err_out_wifi;
2871 }
2872 /* WEP capability discovery */
2873 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2874 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2875
2876 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2877 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2878 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2879 le16_to_cpu(cap_rid.softSubVer));
2880
2881 /* Test for WPA support */
2882 /* Only firmware versions 5.30.17 or better can do WPA */
2883 if (le16_to_cpu(cap_rid.softVer) > 0x530
2884 || (le16_to_cpu(cap_rid.softVer) == 0x530
2885 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2886 airo_print_info(ai->dev->name, "WPA supported.");
2887
2888 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2889 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2890 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2891 ai->bssListRidLen = sizeof(BSSListRid);
2892 } else {
2893 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2894 "versions older than 5.30.17.");
2895
2896 ai->bssListFirst = RID_BSSLISTFIRST;
2897 ai->bssListNext = RID_BSSLISTNEXT;
2898 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2899 }
2900
2901 set_bit(FLAG_REGISTERED,&ai->flags);
2902 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2903
2904 /* Allocate the transmit buffers */
2905 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2906 for( i = 0; i < MAX_FIDS; i++ )
2907 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2908
2909 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2910 goto err_out_wifi;
2911
2912 return dev;
2913
2914 err_out_wifi:
2915 unregister_netdev(ai->wifidev);
2916 free_netdev(ai->wifidev);
2917 err_out_reg:
2918 unregister_netdev(dev);
2919 err_out_map:
2920 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2921 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2922 iounmap(ai->pciaux);
2923 iounmap(ai->pcimem);
2924 mpi_unmap_card(ai->pci);
2925 }
2926 err_out_res:
2927 if (!is_pcmcia)
2928 release_region( dev->base_addr, 64 );
2929 err_out_nets:
2930 airo_networks_free(ai);
2931 err_out_free:
2932 del_airo_dev(ai);
2933 free_netdev(dev);
2934 return NULL;
2935 }
2936
2937 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2938 struct device *dmdev)
2939 {
2940 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2941 }
2942
2943 EXPORT_SYMBOL(init_airo_card);
2944
2945 static int waitbusy (struct airo_info *ai) {
2946 int delay = 0;
2947 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2948 udelay (10);
2949 if ((++delay % 20) == 0)
2950 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2951 }
2952 return delay < 10000;
2953 }
2954
2955 int reset_airo_card( struct net_device *dev )
2956 {
2957 int i;
2958 struct airo_info *ai = dev->ml_priv;
2959
2960 if (reset_card (dev, 1))
2961 return -1;
2962
2963 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2964 airo_print_err(dev->name, "MAC could not be enabled");
2965 return -1;
2966 }
2967 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2968 /* Allocate the transmit buffers if needed */
2969 if (!test_bit(FLAG_MPI,&ai->flags))
2970 for( i = 0; i < MAX_FIDS; i++ )
2971 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2972
2973 enable_interrupts( ai );
2974 netif_wake_queue(dev);
2975 return 0;
2976 }
2977
2978 EXPORT_SYMBOL(reset_airo_card);
2979
2980 static void airo_send_event(struct net_device *dev) {
2981 struct airo_info *ai = dev->ml_priv;
2982 union iwreq_data wrqu;
2983 StatusRid status_rid;
2984
2985 clear_bit(JOB_EVENT, &ai->jobs);
2986 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2987 up(&ai->sem);
2988 wrqu.data.length = 0;
2989 wrqu.data.flags = 0;
2990 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2991 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2992
2993 /* Send event to user space */
2994 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2995 }
2996
2997 static void airo_process_scan_results (struct airo_info *ai) {
2998 union iwreq_data wrqu;
2999 BSSListRid bss;
3000 int rc;
3001 BSSListElement * loop_net;
3002 BSSListElement * tmp_net;
3003
3004 /* Blow away current list of scan results */
3005 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3006 list_move_tail (&loop_net->list, &ai->network_free_list);
3007 /* Don't blow away ->list, just BSS data */
3008 memset (loop_net, 0, sizeof (loop_net->bss));
3009 }
3010
3011 /* Try to read the first entry of the scan result */
3012 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3013 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3014 /* No scan results */
3015 goto out;
3016 }
3017
3018 /* Read and parse all entries */
3019 tmp_net = NULL;
3020 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3021 /* Grab a network off the free list */
3022 if (!list_empty(&ai->network_free_list)) {
3023 tmp_net = list_entry(ai->network_free_list.next,
3024 BSSListElement, list);
3025 list_del(ai->network_free_list.next);
3026 }
3027
3028 if (tmp_net != NULL) {
3029 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3030 list_add_tail(&tmp_net->list, &ai->network_list);
3031 tmp_net = NULL;
3032 }
3033
3034 /* Read next entry */
3035 rc = PC4500_readrid(ai, ai->bssListNext,
3036 &bss, ai->bssListRidLen, 0);
3037 }
3038
3039 out:
3040 ai->scan_timeout = 0;
3041 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3042 up(&ai->sem);
3043
3044 /* Send an empty event to user space.
3045 * We don't send the received data on
3046 * the event because it would require
3047 * us to do complex transcoding, and
3048 * we want to minimise the work done in
3049 * the irq handler. Use a request to
3050 * extract the data - Jean II */
3051 wrqu.data.length = 0;
3052 wrqu.data.flags = 0;
3053 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3054 }
3055
3056 static int airo_thread(void *data) {
3057 struct net_device *dev = data;
3058 struct airo_info *ai = dev->ml_priv;
3059 int locked;
3060
3061 set_freezable();
3062 while(1) {
3063 /* make swsusp happy with our thread */
3064 try_to_freeze();
3065
3066 if (test_bit(JOB_DIE, &ai->jobs))
3067 break;
3068
3069 if (ai->jobs) {
3070 locked = down_interruptible(&ai->sem);
3071 } else {
3072 wait_queue_t wait;
3073
3074 init_waitqueue_entry(&wait, current);
3075 add_wait_queue(&ai->thr_wait, &wait);
3076 for (;;) {
3077 set_current_state(TASK_INTERRUPTIBLE);
3078 if (ai->jobs)
3079 break;
3080 if (ai->expires || ai->scan_timeout) {
3081 if (ai->scan_timeout &&
3082 time_after_eq(jiffies,ai->scan_timeout)){
3083 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3084 break;
3085 } else if (ai->expires &&
3086 time_after_eq(jiffies,ai->expires)){
3087 set_bit(JOB_AUTOWEP, &ai->jobs);
3088 break;
3089 }
3090 if (!kthread_should_stop() &&
3091 !freezing(current)) {
3092 unsigned long wake_at;
3093 if (!ai->expires || !ai->scan_timeout) {
3094 wake_at = max(ai->expires,
3095 ai->scan_timeout);
3096 } else {
3097 wake_at = min(ai->expires,
3098 ai->scan_timeout);
3099 }
3100 schedule_timeout(wake_at - jiffies);
3101 continue;
3102 }
3103 } else if (!kthread_should_stop() &&
3104 !freezing(current)) {
3105 schedule();
3106 continue;
3107 }
3108 break;
3109 }
3110 current->state = TASK_RUNNING;
3111 remove_wait_queue(&ai->thr_wait, &wait);
3112 locked = 1;
3113 }
3114
3115 if (locked)
3116 continue;
3117
3118 if (test_bit(JOB_DIE, &ai->jobs)) {
3119 up(&ai->sem);
3120 break;
3121 }
3122
3123 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3124 up(&ai->sem);
3125 continue;
3126 }
3127
3128 if (test_bit(JOB_XMIT, &ai->jobs))
3129 airo_end_xmit(dev);
3130 else if (test_bit(JOB_XMIT11, &ai->jobs))
3131 airo_end_xmit11(dev);
3132 else if (test_bit(JOB_STATS, &ai->jobs))
3133 airo_read_stats(dev);
3134 else if (test_bit(JOB_WSTATS, &ai->jobs))
3135 airo_read_wireless_stats(ai);
3136 else if (test_bit(JOB_PROMISC, &ai->jobs))
3137 airo_set_promisc(ai);
3138 else if (test_bit(JOB_MIC, &ai->jobs))
3139 micinit(ai);
3140 else if (test_bit(JOB_EVENT, &ai->jobs))
3141 airo_send_event(dev);
3142 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3143 timer_func(dev);
3144 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3145 airo_process_scan_results(ai);
3146 else /* Shouldn't get here, but we make sure to unlock */
3147 up(&ai->sem);
3148 }
3149
3150 return 0;
3151 }
3152
3153 static int header_len(__le16 ctl)
3154 {
3155 u16 fc = le16_to_cpu(ctl);
3156 switch (fc & 0xc) {
3157 case 4:
3158 if ((fc & 0xe0) == 0xc0)
3159 return 10; /* one-address control packet */
3160 return 16; /* two-address control packet */
3161 case 8:
3162 if ((fc & 0x300) == 0x300)
3163 return 30; /* WDS packet */
3164 }
3165 return 24;
3166 }
3167
3168 static void airo_handle_cisco_mic(struct airo_info *ai)
3169 {
3170 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3171 set_bit(JOB_MIC, &ai->jobs);
3172 wake_up_interruptible(&ai->thr_wait);
3173 }
3174 }
3175
3176 /* Airo Status codes */
3177 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3178 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3179 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3180 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3181 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3182 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3183 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3184 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3185 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3186 #define STAT_ASSOC 0x0400 /* Associated */
3187 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3188
3189 static void airo_print_status(const char *devname, u16 status)
3190 {
3191 u8 reason = status & 0xFF;
3192
3193 switch (status & 0xFF00) {
3194 case STAT_NOBEACON:
3195 switch (status) {
3196 case STAT_NOBEACON:
3197 airo_print_dbg(devname, "link lost (missed beacons)");
3198 break;
3199 case STAT_MAXRETRIES:
3200 case STAT_MAXARL:
3201 airo_print_dbg(devname, "link lost (max retries)");
3202 break;
3203 case STAT_FORCELOSS:
3204 airo_print_dbg(devname, "link lost (local choice)");
3205 break;
3206 case STAT_TSFSYNC:
3207 airo_print_dbg(devname, "link lost (TSF sync lost)");
3208 break;
3209 default:
3210 airo_print_dbg(devname, "unknow status %x\n", status);
3211 break;
3212 }
3213 break;
3214 case STAT_DEAUTH:
3215 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3216 break;
3217 case STAT_DISASSOC:
3218 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3219 break;
3220 case STAT_ASSOC_FAIL:
3221 airo_print_dbg(devname, "association failed (reason: %d)",
3222 reason);
3223 break;
3224 case STAT_AUTH_FAIL:
3225 airo_print_dbg(devname, "authentication failed (reason: %d)",
3226 reason);
3227 break;
3228 case STAT_ASSOC:
3229 case STAT_REASSOC:
3230 break;
3231 default:
3232 airo_print_dbg(devname, "unknow status %x\n", status);
3233 break;
3234 }
3235 }
3236
3237 static void airo_handle_link(struct airo_info *ai)
3238 {
3239 union iwreq_data wrqu;
3240 int scan_forceloss = 0;
3241 u16 status;
3242
3243 /* Get new status and acknowledge the link change */
3244 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3245 OUT4500(ai, EVACK, EV_LINK);
3246
3247 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3248 scan_forceloss = 1;
3249
3250 airo_print_status(ai->dev->name, status);
3251
3252 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3253 if (auto_wep)
3254 ai->expires = 0;
3255 if (ai->list_bss_task)
3256 wake_up_process(ai->list_bss_task);
3257 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3258 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3259
3260 if (down_trylock(&ai->sem) != 0) {
3261 set_bit(JOB_EVENT, &ai->jobs);
3262 wake_up_interruptible(&ai->thr_wait);
3263 } else
3264 airo_send_event(ai->dev);
3265 } else if (!scan_forceloss) {
3266 if (auto_wep && !ai->expires) {
3267 ai->expires = RUN_AT(3*HZ);
3268 wake_up_interruptible(&ai->thr_wait);
3269 }
3270
3271 /* Send event to user space */
3272 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3273 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3274 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3275 }
3276 }
3277
3278 static void airo_handle_rx(struct airo_info *ai)
3279 {
3280 struct sk_buff *skb = NULL;
3281 __le16 fc, v, *buffer, tmpbuf[4];
3282 u16 len, hdrlen = 0, gap, fid;
3283 struct rx_hdr hdr;
3284 int success = 0;
3285
3286 if (test_bit(FLAG_MPI, &ai->flags)) {
3287 if (test_bit(FLAG_802_11, &ai->flags))
3288 mpi_receive_802_11(ai);
3289 else
3290 mpi_receive_802_3(ai);
3291 OUT4500(ai, EVACK, EV_RX);
3292 return;
3293 }
3294
3295 fid = IN4500(ai, RXFID);
3296
3297 /* Get the packet length */
3298 if (test_bit(FLAG_802_11, &ai->flags)) {
3299 bap_setup (ai, fid, 4, BAP0);
3300 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3301 /* Bad CRC. Ignore packet */
3302 if (le16_to_cpu(hdr.status) & 2)
3303 hdr.len = 0;
3304 if (ai->wifidev == NULL)
3305 hdr.len = 0;
3306 } else {
3307 bap_setup(ai, fid, 0x36, BAP0);
3308 bap_read(ai, &hdr.len, 2, BAP0);
3309 }
3310 len = le16_to_cpu(hdr.len);
3311
3312 if (len > AIRO_DEF_MTU) {
3313 airo_print_err(ai->dev->name, "Bad size %d", len);
3314 goto done;
3315 }
3316 if (len == 0)
3317 goto done;
3318
3319 if (test_bit(FLAG_802_11, &ai->flags)) {
3320 bap_read(ai, &fc, sizeof (fc), BAP0);
3321 hdrlen = header_len(fc);
3322 } else
3323 hdrlen = ETH_ALEN * 2;
3324
3325 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3326 if (!skb) {
3327 ai->dev->stats.rx_dropped++;
3328 goto done;
3329 }
3330
3331 skb_reserve(skb, 2); /* This way the IP header is aligned */
3332 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3333 if (test_bit(FLAG_802_11, &ai->flags)) {
3334 buffer[0] = fc;
3335 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3336 if (hdrlen == 24)
3337 bap_read(ai, tmpbuf, 6, BAP0);
3338
3339 bap_read(ai, &v, sizeof(v), BAP0);
3340 gap = le16_to_cpu(v);
3341 if (gap) {
3342 if (gap <= 8) {
3343 bap_read(ai, tmpbuf, gap, BAP0);
3344 } else {
3345 airo_print_err(ai->dev->name, "gaplen too "
3346 "big. Problems will follow...");
3347 }
3348 }
3349 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3350 } else {
3351 MICBuffer micbuf;
3352
3353 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3354 if (ai->micstats.enabled) {
3355 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3356 if (ntohs(micbuf.typelen) > 0x05DC)
3357 bap_setup(ai, fid, 0x44, BAP0);
3358 else {
3359 if (len <= sizeof (micbuf)) {
3360 dev_kfree_skb_irq(skb);
3361 goto done;
3362 }
3363
3364 len -= sizeof(micbuf);
3365 skb_trim(skb, len + hdrlen);
3366 }
3367 }
3368
3369 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3370 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3371 dev_kfree_skb_irq (skb);
3372 else
3373 success = 1;
3374 }
3375
3376 #ifdef WIRELESS_SPY
3377 if (success && (ai->spy_data.spy_number > 0)) {
3378 char *sa;
3379 struct iw_quality wstats;
3380
3381 /* Prepare spy data : addr + qual */
3382 if (!test_bit(FLAG_802_11, &ai->flags)) {
3383 sa = (char *) buffer + 6;
3384 bap_setup(ai, fid, 8, BAP0);
3385 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3386 } else
3387 sa = (char *) buffer + 10;
3388 wstats.qual = hdr.rssi[0];
3389 if (ai->rssi)
3390 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3391 else
3392 wstats.level = (hdr.rssi[1] + 321) / 2;
3393 wstats.noise = ai->wstats.qual.noise;
3394 wstats.updated = IW_QUAL_LEVEL_UPDATED
3395 | IW_QUAL_QUAL_UPDATED
3396 | IW_QUAL_DBM;
3397 /* Update spy records */
3398 wireless_spy_update(ai->dev, sa, &wstats);
3399 }
3400 #endif /* WIRELESS_SPY */
3401
3402 done:
3403 OUT4500(ai, EVACK, EV_RX);
3404
3405 if (success) {
3406 if (test_bit(FLAG_802_11, &ai->flags)) {
3407 skb_reset_mac_header(skb);
3408 skb->pkt_type = PACKET_OTHERHOST;
3409 skb->dev = ai->wifidev;
3410 skb->protocol = htons(ETH_P_802_2);
3411 } else
3412 skb->protocol = eth_type_trans(skb, ai->dev);
3413 skb->ip_summed = CHECKSUM_NONE;
3414
3415 netif_rx(skb);
3416 }
3417 }
3418
3419 static void airo_handle_tx(struct airo_info *ai, u16 status)
3420 {
3421 int i, len = 0, index = -1;
3422 u16 fid;
3423
3424 if (test_bit(FLAG_MPI, &ai->flags)) {
3425 unsigned long flags;
3426
3427 if (status & EV_TXEXC)
3428 get_tx_error(ai, -1);
3429
3430 spin_lock_irqsave(&ai->aux_lock, flags);
3431 if (!skb_queue_empty(&ai->txq)) {
3432 spin_unlock_irqrestore(&ai->aux_lock,flags);
3433 mpi_send_packet(ai->dev);
3434 } else {
3435 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3436 spin_unlock_irqrestore(&ai->aux_lock,flags);
3437 netif_wake_queue(ai->dev);
3438 }
3439 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3440 return;
3441 }
3442
3443 fid = IN4500(ai, TXCOMPLFID);
3444
3445 for(i = 0; i < MAX_FIDS; i++) {
3446 if ((ai->fids[i] & 0xffff) == fid) {
3447 len = ai->fids[i] >> 16;
3448 index = i;
3449 }
3450 }
3451
3452 if (index != -1) {
3453 if (status & EV_TXEXC)
3454 get_tx_error(ai, index);
3455
3456 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3457
3458 /* Set up to be used again */
3459 ai->fids[index] &= 0xffff;
3460 if (index < MAX_FIDS / 2) {
3461 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3462 netif_wake_queue(ai->dev);
3463 } else {
3464 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3465 netif_wake_queue(ai->wifidev);
3466 }
3467 } else {
3468 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3469 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3470 }
3471 }
3472
3473 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3474 {
3475 struct net_device *dev = dev_id;
3476 u16 status, savedInterrupts = 0;
3477 struct airo_info *ai = dev->ml_priv;
3478 int handled = 0;
3479
3480 if (!netif_device_present(dev))
3481 return IRQ_NONE;
3482
3483 for (;;) {
3484 status = IN4500(ai, EVSTAT);
3485 if (!(status & STATUS_INTS) || (status == 0xffff))
3486 break;
3487
3488 handled = 1;
3489
3490 if (status & EV_AWAKE) {
3491 OUT4500(ai, EVACK, EV_AWAKE);
3492 OUT4500(ai, EVACK, EV_AWAKE);
3493 }
3494
3495 if (!savedInterrupts) {
3496 savedInterrupts = IN4500(ai, EVINTEN);
3497 OUT4500(ai, EVINTEN, 0);
3498 }
3499
3500 if (status & EV_MIC) {
3501 OUT4500(ai, EVACK, EV_MIC);
3502 airo_handle_cisco_mic(ai);
3503 }
3504
3505 if (status & EV_LINK) {
3506 /* Link status changed */
3507 airo_handle_link(ai);
3508 }
3509
3510 /* Check to see if there is something to receive */
3511 if (status & EV_RX)
3512 airo_handle_rx(ai);
3513
3514 /* Check to see if a packet has been transmitted */
3515 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3516 airo_handle_tx(ai, status);
3517
3518 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3519 airo_print_warn(ai->dev->name, "Got weird status %x",
3520 status & ~STATUS_INTS & ~IGNORE_INTS );
3521 }
3522 }
3523
3524 if (savedInterrupts)
3525 OUT4500(ai, EVINTEN, savedInterrupts);
3526
3527 return IRQ_RETVAL(handled);
3528 }
3529
3530 /*
3531 * Routines to talk to the card
3532 */
3533
3534 /*
3535 * This was originally written for the 4500, hence the name
3536 * NOTE: If use with 8bit mode and SMP bad things will happen!
3537 * Why would some one do 8 bit IO in an SMP machine?!?
3538 */
3539 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3540 if (test_bit(FLAG_MPI,&ai->flags))
3541 reg <<= 1;
3542 if ( !do8bitIO )
3543 outw( val, ai->dev->base_addr + reg );
3544 else {
3545 outb( val & 0xff, ai->dev->base_addr + reg );
3546 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3547 }
3548 }
3549
3550 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3551 unsigned short rc;
3552
3553 if (test_bit(FLAG_MPI,&ai->flags))
3554 reg <<= 1;
3555 if ( !do8bitIO )
3556 rc = inw( ai->dev->base_addr + reg );
3557 else {
3558 rc = inb( ai->dev->base_addr + reg );
3559 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3560 }
3561 return rc;
3562 }
3563
3564 static int enable_MAC(struct airo_info *ai, int lock)
3565 {
3566 int rc;
3567 Cmd cmd;
3568 Resp rsp;
3569
3570 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3571 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3572 * Note : we could try to use !netif_running(dev) in enable_MAC()
3573 * instead of this flag, but I don't trust it *within* the
3574 * open/close functions, and testing both flags together is
3575 * "cheaper" - Jean II */
3576 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3577
3578 if (lock && down_interruptible(&ai->sem))
3579 return -ERESTARTSYS;
3580
3581 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3582 memset(&cmd, 0, sizeof(cmd));
3583 cmd.cmd = MAC_ENABLE;
3584 rc = issuecommand(ai, &cmd, &rsp);
3585 if (rc == SUCCESS)
3586 set_bit(FLAG_ENABLED, &ai->flags);
3587 } else
3588 rc = SUCCESS;
3589
3590 if (lock)
3591 up(&ai->sem);
3592
3593 if (rc)
3594 airo_print_err(ai->dev->name, "Cannot enable MAC");
3595 else if ((rsp.status & 0xFF00) != 0) {
3596 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3597 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3598 rc = ERROR;
3599 }
3600 return rc;
3601 }
3602
3603 static void disable_MAC( struct airo_info *ai, int lock ) {
3604 Cmd cmd;
3605 Resp rsp;
3606
3607 if (lock && down_interruptible(&ai->sem))
3608 return;
3609
3610 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3611 memset(&cmd, 0, sizeof(cmd));
3612 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3613 issuecommand(ai, &cmd, &rsp);
3614 clear_bit(FLAG_ENABLED, &ai->flags);
3615 }
3616 if (lock)
3617 up(&ai->sem);
3618 }
3619
3620 static void enable_interrupts( struct airo_info *ai ) {
3621 /* Enable the interrupts */
3622 OUT4500( ai, EVINTEN, STATUS_INTS );
3623 }
3624
3625 static void disable_interrupts( struct airo_info *ai ) {
3626 OUT4500( ai, EVINTEN, 0 );
3627 }
3628
3629 static void mpi_receive_802_3(struct airo_info *ai)
3630 {
3631 RxFid rxd;
3632 int len = 0;
3633 struct sk_buff *skb;
3634 char *buffer;
3635 int off = 0;
3636 MICBuffer micbuf;
3637
3638 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3639 /* Make sure we got something */
3640 if (rxd.rdy && rxd.valid == 0) {
3641 len = rxd.len + 12;
3642 if (len < 12 || len > 2048)
3643 goto badrx;
3644
3645 skb = dev_alloc_skb(len);
3646 if (!skb) {
3647 ai->dev->stats.rx_dropped++;
3648 goto badrx;
3649 }
3650 buffer = skb_put(skb,len);
3651 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3652 if (ai->micstats.enabled) {
3653 memcpy(&micbuf,
3654 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3655 sizeof(micbuf));
3656 if (ntohs(micbuf.typelen) <= 0x05DC) {
3657 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3658 goto badmic;
3659
3660 off = sizeof(micbuf);
3661 skb_trim (skb, len - off);
3662 }
3663 }
3664 memcpy(buffer + ETH_ALEN * 2,
3665 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3666 len - ETH_ALEN * 2 - off);
3667 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3668 badmic:
3669 dev_kfree_skb_irq (skb);
3670 goto badrx;
3671 }
3672 #ifdef WIRELESS_SPY
3673 if (ai->spy_data.spy_number > 0) {
3674 char *sa;
3675 struct iw_quality wstats;
3676 /* Prepare spy data : addr + qual */
3677 sa = buffer + ETH_ALEN;
3678 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3679 wstats.level = 0;
3680 wstats.updated = 0;
3681 /* Update spy records */
3682 wireless_spy_update(ai->dev, sa, &wstats);
3683 }
3684 #endif /* WIRELESS_SPY */
3685
3686 skb->ip_summed = CHECKSUM_NONE;
3687 skb->protocol = eth_type_trans(skb, ai->dev);
3688 netif_rx(skb);
3689 }
3690 badrx:
3691 if (rxd.valid == 0) {
3692 rxd.valid = 1;
3693 rxd.rdy = 0;
3694 rxd.len = PKTSIZE;
3695 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3696 }
3697 }
3698
3699 static void mpi_receive_802_11(struct airo_info *ai)
3700 {
3701 RxFid rxd;
3702 struct sk_buff *skb = NULL;
3703 u16 len, hdrlen = 0;
3704 __le16 fc;
3705 struct rx_hdr hdr;
3706 u16 gap;
3707 u16 *buffer;
3708 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3709
3710 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3711 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3712 ptr += sizeof(hdr);
3713 /* Bad CRC. Ignore packet */
3714 if (le16_to_cpu(hdr.status) & 2)
3715 hdr.len = 0;
3716 if (ai->wifidev == NULL)
3717 hdr.len = 0;
3718 len = le16_to_cpu(hdr.len);
3719 if (len > AIRO_DEF_MTU) {
3720 airo_print_err(ai->dev->name, "Bad size %d", len);
3721 goto badrx;
3722 }
3723 if (len == 0)
3724 goto badrx;
3725
3726 fc = get_unaligned((__le16 *)ptr);
3727 hdrlen = header_len(fc);
3728
3729 skb = dev_alloc_skb( len + hdrlen + 2 );
3730 if ( !skb ) {
3731 ai->dev->stats.rx_dropped++;
3732 goto badrx;
3733 }
3734 buffer = (u16*)skb_put (skb, len + hdrlen);
3735 memcpy ((char *)buffer, ptr, hdrlen);
3736 ptr += hdrlen;
3737 if (hdrlen == 24)
3738 ptr += 6;
3739 gap = get_unaligned_le16(ptr);
3740 ptr += sizeof(__le16);
3741 if (gap) {
3742 if (gap <= 8)
3743 ptr += gap;
3744 else
3745 airo_print_err(ai->dev->name,
3746 "gaplen too big. Problems will follow...");
3747 }
3748 memcpy ((char *)buffer + hdrlen, ptr, len);
3749 ptr += len;
3750 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3751 if (ai->spy_data.spy_number > 0) {
3752 char *sa;
3753 struct iw_quality wstats;
3754 /* Prepare spy data : addr + qual */
3755 sa = (char*)buffer + 10;
3756 wstats.qual = hdr.rssi[0];
3757 if (ai->rssi)
3758 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3759 else
3760 wstats.level = (hdr.rssi[1] + 321) / 2;
3761 wstats.noise = ai->wstats.qual.noise;
3762 wstats.updated = IW_QUAL_QUAL_UPDATED
3763 | IW_QUAL_LEVEL_UPDATED
3764 | IW_QUAL_DBM;
3765 /* Update spy records */
3766 wireless_spy_update(ai->dev, sa, &wstats);
3767 }
3768 #endif /* IW_WIRELESS_SPY */
3769 skb_reset_mac_header(skb);
3770 skb->pkt_type = PACKET_OTHERHOST;
3771 skb->dev = ai->wifidev;
3772 skb->protocol = htons(ETH_P_802_2);
3773 skb->ip_summed = CHECKSUM_NONE;
3774 netif_rx( skb );
3775
3776 badrx:
3777 if (rxd.valid == 0) {
3778 rxd.valid = 1;
3779 rxd.rdy = 0;
3780 rxd.len = PKTSIZE;
3781 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3782 }
3783 }
3784
3785 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3786 {
3787 Cmd cmd;
3788 Resp rsp;
3789 int status;
3790 SsidRid mySsid;
3791 __le16 lastindex;
3792 WepKeyRid wkr;
3793 int rc;
3794
3795 memset( &mySsid, 0, sizeof( mySsid ) );
3796 kfree (ai->flash);
3797 ai->flash = NULL;
3798
3799 /* The NOP is the first step in getting the card going */
3800 cmd.cmd = NOP;
3801 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3802 if (lock && down_interruptible(&ai->sem))
3803 return ERROR;
3804 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3805 if (lock)
3806 up(&ai->sem);
3807 return ERROR;
3808 }
3809 disable_MAC( ai, 0);
3810
3811 // Let's figure out if we need to use the AUX port
3812 if (!test_bit(FLAG_MPI,&ai->flags)) {
3813 cmd.cmd = CMD_ENABLEAUX;
3814 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3815 if (lock)
3816 up(&ai->sem);
3817 airo_print_err(ai->dev->name, "Error checking for AUX port");
3818 return ERROR;
3819 }
3820 if (!aux_bap || rsp.status & 0xff00) {
3821 ai->bap_read = fast_bap_read;
3822 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3823 } else {
3824 ai->bap_read = aux_bap_read;
3825 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3826 }
3827 }
3828 if (lock)
3829 up(&ai->sem);
3830 if (ai->config.len == 0) {
3831 int i;
3832 tdsRssiRid rssi_rid;
3833 CapabilityRid cap_rid;
3834
3835 kfree(ai->APList);
3836 ai->APList = NULL;
3837 kfree(ai->SSID);
3838 ai->SSID = NULL;
3839 // general configuration (read/modify/write)
3840 status = readConfigRid(ai, lock);
3841 if ( status != SUCCESS ) return ERROR;
3842
3843 status = readCapabilityRid(ai, &cap_rid, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3847 if ( status == SUCCESS ) {
3848 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3849 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3850 }
3851 else {
3852 kfree(ai->rssi);
3853 ai->rssi = NULL;
3854 if (cap_rid.softCap & cpu_to_le16(8))
3855 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3856 else
3857 airo_print_warn(ai->dev->name, "unknown received signal "
3858 "level scale");
3859 }
3860 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3861 ai->config.authType = AUTH_OPEN;
3862 ai->config.modulation = MOD_CCK;
3863
3864 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3865 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3866 micsetup(ai) == SUCCESS) {
3867 ai->config.opmode |= MODE_MIC;
3868 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3869 }
3870
3871 /* Save off the MAC */
3872 for( i = 0; i < ETH_ALEN; i++ ) {
3873 mac[i] = ai->config.macAddr[i];
3874 }
3875
3876 /* Check to see if there are any insmod configured
3877 rates to add */
3878 if ( rates[0] ) {
3879 memset(ai->config.rates,0,sizeof(ai->config.rates));
3880 for( i = 0; i < 8 && rates[i]; i++ ) {
3881 ai->config.rates[i] = rates[i];
3882 }
3883 }
3884 set_bit (FLAG_COMMIT, &ai->flags);
3885 }
3886
3887 /* Setup the SSIDs if present */
3888 if ( ssids[0] ) {
3889 int i;
3890 for( i = 0; i < 3 && ssids[i]; i++ ) {
3891 size_t len = strlen(ssids[i]);
3892 if (len > 32)
3893 len = 32;
3894 mySsid.ssids[i].len = cpu_to_le16(len);
3895 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3896 }
3897 mySsid.len = cpu_to_le16(sizeof(mySsid));
3898 }
3899
3900 status = writeConfigRid(ai, lock);
3901 if ( status != SUCCESS ) return ERROR;
3902
3903 /* Set up the SSID list */
3904 if ( ssids[0] ) {
3905 status = writeSsidRid(ai, &mySsid, lock);
3906 if ( status != SUCCESS ) return ERROR;
3907 }
3908
3909 status = enable_MAC(ai, lock);
3910 if (status != SUCCESS)
3911 return ERROR;
3912
3913 /* Grab the initial wep key, we gotta save it for auto_wep */
3914 rc = readWepKeyRid(ai, &wkr, 1, lock);
3915 if (rc == SUCCESS) do {
3916 lastindex = wkr.kindex;
3917 if (wkr.kindex == cpu_to_le16(0xffff)) {
3918 ai->defindex = wkr.mac[0];
3919 }
3920 rc = readWepKeyRid(ai, &wkr, 0, lock);
3921 } while(lastindex != wkr.kindex);
3922
3923 try_auto_wep(ai);
3924
3925 return SUCCESS;
3926 }
3927
3928 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3929 // Im really paranoid about letting it run forever!
3930 int max_tries = 600000;
3931
3932 if (IN4500(ai, EVSTAT) & EV_CMD)
3933 OUT4500(ai, EVACK, EV_CMD);
3934
3935 OUT4500(ai, PARAM0, pCmd->parm0);
3936 OUT4500(ai, PARAM1, pCmd->parm1);
3937 OUT4500(ai, PARAM2, pCmd->parm2);
3938 OUT4500(ai, COMMAND, pCmd->cmd);
3939
3940 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3941 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3942 // PC4500 didn't notice command, try again
3943 OUT4500(ai, COMMAND, pCmd->cmd);
3944 if (!in_atomic() && (max_tries & 255) == 0)
3945 schedule();
3946 }
3947
3948 if ( max_tries == -1 ) {
3949 airo_print_err(ai->dev->name,
3950 "Max tries exceeded when issueing command");
3951 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3953 return ERROR;
3954 }
3955
3956 // command completed
3957 pRsp->status = IN4500(ai, STATUS);
3958 pRsp->rsp0 = IN4500(ai, RESP0);
3959 pRsp->rsp1 = IN4500(ai, RESP1);
3960 pRsp->rsp2 = IN4500(ai, RESP2);
3961 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3962 airo_print_err(ai->dev->name,
3963 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3964 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3965 pRsp->rsp2);
3966
3967 // clear stuck command busy if necessary
3968 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3970 }
3971 // acknowledge processing the status/response
3972 OUT4500(ai, EVACK, EV_CMD);
3973
3974 return SUCCESS;
3975 }
3976
3977 /* Sets up the bap to start exchange data. whichbap should
3978 * be one of the BAP0 or BAP1 defines. Locks should be held before
3979 * calling! */
3980 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3981 {
3982 int timeout = 50;
3983 int max_tries = 3;
3984
3985 OUT4500(ai, SELECT0+whichbap, rid);
3986 OUT4500(ai, OFFSET0+whichbap, offset);
3987 while (1) {
3988 int status = IN4500(ai, OFFSET0+whichbap);
3989 if (status & BAP_BUSY) {
3990 /* This isn't really a timeout, but its kinda
3991 close */
3992 if (timeout--) {
3993 continue;
3994 }
3995 } else if ( status & BAP_ERR ) {
3996 /* invalid rid or offset */
3997 airo_print_err(ai->dev->name, "BAP error %x %d",
3998 status, whichbap );
3999 return ERROR;
4000 } else if (status & BAP_DONE) { // success
4001 return SUCCESS;
4002 }
4003 if ( !(max_tries--) ) {
4004 airo_print_err(ai->dev->name,
4005 "BAP setup error too many retries\n");
4006 return ERROR;
4007 }
4008 // -- PC4500 missed it, try again
4009 OUT4500(ai, SELECT0+whichbap, rid);
4010 OUT4500(ai, OFFSET0+whichbap, offset);
4011 timeout = 50;
4012 }
4013 }
4014
4015 /* should only be called by aux_bap_read. This aux function and the
4016 following use concepts not documented in the developers guide. I
4017 got them from a patch given to my by Aironet */
4018 static u16 aux_setup(struct airo_info *ai, u16 page,
4019 u16 offset, u16 *len)
4020 {
4021 u16 next;
4022
4023 OUT4500(ai, AUXPAGE, page);
4024 OUT4500(ai, AUXOFF, 0);
4025 next = IN4500(ai, AUXDATA);
4026 *len = IN4500(ai, AUXDATA)&0xff;
4027 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4028 return next;
4029 }
4030
4031 /* requires call to bap_setup() first */
4032 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4033 int bytelen, int whichbap)
4034 {
4035 u16 len;
4036 u16 page;
4037 u16 offset;
4038 u16 next;
4039 int words;
4040 int i;
4041 unsigned long flags;
4042
4043 spin_lock_irqsave(&ai->aux_lock, flags);
4044 page = IN4500(ai, SWS0+whichbap);
4045 offset = IN4500(ai, SWS2+whichbap);
4046 next = aux_setup(ai, page, offset, &len);
4047 words = (bytelen+1)>>1;
4048
4049 for (i=0; i<words;) {
4050 int count;
4051 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4052 if ( !do8bitIO )
4053 insw( ai->dev->base_addr+DATA0+whichbap,
4054 pu16Dst+i,count );
4055 else
4056 insb( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i, count << 1 );
4058 i += count;
4059 if (i<words) {
4060 next = aux_setup(ai, next, 4, &len);
4061 }
4062 }
4063 spin_unlock_irqrestore(&ai->aux_lock, flags);
4064 return SUCCESS;
4065 }
4066
4067
4068 /* requires call to bap_setup() first */
4069 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4070 int bytelen, int whichbap)
4071 {
4072 bytelen = (bytelen + 1) & (~1); // round up to even value
4073 if ( !do8bitIO )
4074 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4075 else
4076 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4077 return SUCCESS;
4078 }
4079
4080 /* requires call to bap_setup() first */
4081 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4082 int bytelen, int whichbap)
4083 {
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 outsw( ai->dev->base_addr+DATA0+whichbap,
4087 pu16Src, bytelen>>1 );
4088 else
4089 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4090 return SUCCESS;
4091 }
4092
4093 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4094 {
4095 Cmd cmd; /* for issuing commands */
4096 Resp rsp; /* response from commands */
4097 u16 status;
4098
4099 memset(&cmd, 0, sizeof(cmd));
4100 cmd.cmd = accmd;
4101 cmd.parm0 = rid;
4102 status = issuecommand(ai, &cmd, &rsp);
4103 if (status != 0) return status;
4104 if ( (rsp.status & 0x7F00) != 0) {
4105 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4106 }
4107 return 0;
4108 }
4109
4110 /* Note, that we are using BAP1 which is also used by transmit, so
4111 * we must get a lock. */
4112 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4113 {
4114 u16 status;
4115 int rc = SUCCESS;
4116
4117 if (lock) {
4118 if (down_interruptible(&ai->sem))
4119 return ERROR;
4120 }
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4122 Cmd cmd;
4123 Resp rsp;
4124
4125 memset(&cmd, 0, sizeof(cmd));
4126 memset(&rsp, 0, sizeof(rsp));
4127 ai->config_desc.rid_desc.valid = 1;
4128 ai->config_desc.rid_desc.len = RIDSIZE;
4129 ai->config_desc.rid_desc.rid = 0;
4130 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4131
4132 cmd.cmd = CMD_ACCESS;
4133 cmd.parm0 = rid;
4134
4135 memcpy_toio(ai->config_desc.card_ram_off,
4136 &ai->config_desc.rid_desc, sizeof(Rid));
4137
4138 rc = issuecommand(ai, &cmd, &rsp);
4139
4140 if (rsp.status & 0x7f00)
4141 rc = rsp.rsp0;
4142 if (!rc)
4143 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4144 goto done;
4145 } else {
4146 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4147 rc = status;
4148 goto done;
4149 }
4150 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4151 rc = ERROR;
4152 goto done;
4153 }
4154 // read the rid length field
4155 bap_read(ai, pBuf, 2, BAP1);
4156 // length for remaining part of rid
4157 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4158
4159 if ( len <= 2 ) {
4160 airo_print_err(ai->dev->name,
4161 "Rid %x has a length of %d which is too short",
4162 (int)rid, (int)len );
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read remainder of the rid
4167 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4168 }
4169 done:
4170 if (lock)
4171 up(&ai->sem);
4172 return rc;
4173 }
4174
4175 /* Note, that we are using BAP1 which is also used by transmit, so
4176 * make sure this isnt called when a transmit is happening */
4177 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4178 const void *pBuf, int len, int lock)
4179 {
4180 u16 status;
4181 int rc = SUCCESS;
4182
4183 *(__le16*)pBuf = cpu_to_le16((u16)len);
4184
4185 if (lock) {
4186 if (down_interruptible(&ai->sem))
4187 return ERROR;
4188 }
4189 if (test_bit(FLAG_MPI,&ai->flags)) {
4190 Cmd cmd;
4191 Resp rsp;
4192
4193 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4194 airo_print_err(ai->dev->name,
4195 "%s: MAC should be disabled (rid=%04x)",
4196 __func__, rid);
4197 memset(&cmd, 0, sizeof(cmd));
4198 memset(&rsp, 0, sizeof(rsp));
4199
4200 ai->config_desc.rid_desc.valid = 1;
4201 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4202 ai->config_desc.rid_desc.rid = 0;
4203
4204 cmd.cmd = CMD_WRITERID;
4205 cmd.parm0 = rid;
4206
4207 memcpy_toio(ai->config_desc.card_ram_off,
4208 &ai->config_desc.rid_desc, sizeof(Rid));
4209
4210 if (len < 4 || len > 2047) {
4211 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4212 rc = -1;
4213 } else {
4214 memcpy((char *)ai->config_desc.virtual_host_addr,
4215 pBuf, len);
4216
4217 rc = issuecommand(ai, &cmd, &rsp);
4218 if ((rc & 0xff00) != 0) {
4219 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4220 __func__, rc);
4221 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4222 __func__, cmd.cmd);
4223 }
4224
4225 if ((rsp.status & 0x7f00))
4226 rc = rsp.rsp0;
4227 }
4228 } else {
4229 // --- first access so that we can write the rid data
4230 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4231 rc = status;
4232 goto done;
4233 }
4234 // --- now write the rid data
4235 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4236 rc = ERROR;
4237 goto done;
4238 }
4239 bap_write(ai, pBuf, len, BAP1);
4240 // ---now commit the rid data
4241 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4242 }
4243 done:
4244 if (lock)
4245 up(&ai->sem);
4246 return rc;
4247 }
4248
4249 /* Allocates a FID to be used for transmitting packets. We only use
4250 one for now. */
4251 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4252 {
4253 unsigned int loop = 3000;
4254 Cmd cmd;
4255 Resp rsp;
4256 u16 txFid;
4257 __le16 txControl;
4258
4259 cmd.cmd = CMD_ALLOCATETX;
4260 cmd.parm0 = lenPayload;
4261 if (down_interruptible(&ai->sem))
4262 return ERROR;
4263 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4264 txFid = ERROR;
4265 goto done;
4266 }
4267 if ( (rsp.status & 0xFF00) != 0) {
4268 txFid = ERROR;
4269 goto done;
4270 }
4271 /* wait for the allocate event/indication
4272 * It makes me kind of nervous that this can just sit here and spin,
4273 * but in practice it only loops like four times. */
4274 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4275 if (!loop) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279
4280 // get the allocated fid and acknowledge
4281 txFid = IN4500(ai, TXALLOCFID);
4282 OUT4500(ai, EVACK, EV_ALLOC);
4283
4284 /* The CARD is pretty cool since it converts the ethernet packet
4285 * into 802.11. Also note that we don't release the FID since we
4286 * will be using the same one over and over again. */
4287 /* We only have to setup the control once since we are not
4288 * releasing the fid. */
4289 if (raw)
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4292 else
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4296 txFid = ERROR;
4297 else
4298 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4299
4300 done:
4301 up(&ai->sem);
4302
4303 return txFid;
4304 }
4305
4306 /* In general BAP1 is dedicated to transmiting packets. However,
4307 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4308 Make sure the BAP1 spinlock is held when this is called. */
4309 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4310 {
4311 __le16 payloadLen;
4312 Cmd cmd;
4313 Resp rsp;
4314 int miclen = 0;
4315 u16 txFid = len;
4316 MICBuffer pMic;
4317
4318 len >>= 16;
4319
4320 if (len <= ETH_ALEN * 2) {
4321 airo_print_warn(ai->dev->name, "Short packet %d", len);
4322 return ERROR;
4323 }
4324 len -= ETH_ALEN * 2;
4325
4326 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4327 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4328 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4329 return ERROR;
4330 miclen = sizeof(pMic);
4331 }
4332 // packet is destination[6], source[6], payload[len-12]
4333 // write the payload length and dst/src/payload
4334 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4335 /* The hardware addresses aren't counted as part of the payload, so
4336 * we have to subtract the 12 bytes for the addresses off */
4337 payloadLen = cpu_to_le16(len + miclen);
4338 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4339 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4340 if (miclen)
4341 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4342 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4343 // issue the transmit command
4344 memset( &cmd, 0, sizeof( cmd ) );
4345 cmd.cmd = CMD_TRANSMIT;
4346 cmd.parm0 = txFid;
4347 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4348 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4349 return SUCCESS;
4350 }
4351
4352 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4353 {
4354 __le16 fc, payloadLen;
4355 Cmd cmd;
4356 Resp rsp;
4357 int hdrlen;
4358 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4359 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4360 u16 txFid = len;
4361 len >>= 16;
4362
4363 fc = *(__le16*)pPacket;
4364 hdrlen = header_len(fc);
4365
4366 if (len < hdrlen) {
4367 airo_print_warn(ai->dev->name, "Short packet %d", len);
4368 return ERROR;
4369 }
4370
4371 /* packet is 802.11 header + payload
4372 * write the payload length and dst/src/payload */
4373 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4374 /* The 802.11 header aren't counted as part of the payload, so
4375 * we have to subtract the header bytes off */
4376 payloadLen = cpu_to_le16(len-hdrlen);
4377 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4378 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4379 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4380 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4381
4382 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4383 // issue the transmit command
4384 memset( &cmd, 0, sizeof( cmd ) );
4385 cmd.cmd = CMD_TRANSMIT;
4386 cmd.parm0 = txFid;
4387 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4388 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4389 return SUCCESS;
4390 }
4391
4392 /*
4393 * This is the proc_fs routines. It is a bit messier than I would
4394 * like! Feel free to clean it up!
4395 */
4396
4397 static ssize_t proc_read( struct file *file,
4398 char __user *buffer,
4399 size_t len,
4400 loff_t *offset);
4401
4402 static ssize_t proc_write( struct file *file,
4403 const char __user *buffer,
4404 size_t len,
4405 loff_t *offset );
4406 static int proc_close( struct inode *inode, struct file *file );
4407
4408 static int proc_stats_open( struct inode *inode, struct file *file );
4409 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4410 static int proc_status_open( struct inode *inode, struct file *file );
4411 static int proc_SSID_open( struct inode *inode, struct file *file );
4412 static int proc_APList_open( struct inode *inode, struct file *file );
4413 static int proc_BSSList_open( struct inode *inode, struct file *file );
4414 static int proc_config_open( struct inode *inode, struct file *file );
4415 static int proc_wepkey_open( struct inode *inode, struct file *file );
4416
4417 static const struct file_operations proc_statsdelta_ops = {
4418 .owner = THIS_MODULE,
4419 .read = proc_read,
4420 .open = proc_statsdelta_open,
4421 .release = proc_close,
4422 .llseek = default_llseek,
4423 };
4424
4425 static const struct file_operations proc_stats_ops = {
4426 .owner = THIS_MODULE,
4427 .read = proc_read,
4428 .open = proc_stats_open,
4429 .release = proc_close,
4430 .llseek = default_llseek,
4431 };
4432
4433 static const struct file_operations proc_status_ops = {
4434 .owner = THIS_MODULE,
4435 .read = proc_read,
4436 .open = proc_status_open,
4437 .release = proc_close,
4438 .llseek = default_llseek,
4439 };
4440
4441 static const struct file_operations proc_SSID_ops = {
4442 .owner = THIS_MODULE,
4443 .read = proc_read,
4444 .write = proc_write,
4445 .open = proc_SSID_open,
4446 .release = proc_close,
4447 .llseek = default_llseek,
4448 };
4449
4450 static const struct file_operations proc_BSSList_ops = {
4451 .owner = THIS_MODULE,
4452 .read = proc_read,
4453 .write = proc_write,
4454 .open = proc_BSSList_open,
4455 .release = proc_close,
4456 .llseek = default_llseek,
4457 };
4458
4459 static const struct file_operations proc_APList_ops = {
4460 .owner = THIS_MODULE,
4461 .read = proc_read,
4462 .write = proc_write,
4463 .open = proc_APList_open,
4464 .release = proc_close,
4465 .llseek = default_llseek,
4466 };
4467
4468 static const struct file_operations proc_config_ops = {
4469 .owner = THIS_MODULE,
4470 .read = proc_read,
4471 .write = proc_write,
4472 .open = proc_config_open,
4473 .release = proc_close,
4474 .llseek = default_llseek,
4475 };
4476
4477 static const struct file_operations proc_wepkey_ops = {
4478 .owner = THIS_MODULE,
4479 .read = proc_read,
4480 .write = proc_write,
4481 .open = proc_wepkey_open,
4482 .release = proc_close,
4483 .llseek = default_llseek,
4484 };
4485
4486 static struct proc_dir_entry *airo_entry;
4487
4488 struct proc_data {
4489 int release_buffer;
4490 int readlen;
4491 char *rbuffer;
4492 int writelen;
4493 int maxwritelen;
4494 char *wbuffer;
4495 void (*on_close) (struct inode *, struct file *);
4496 };
4497
4498 static int setup_proc_entry( struct net_device *dev,
4499 struct airo_info *apriv ) {
4500 struct proc_dir_entry *entry;
4501 /* First setup the device directory */
4502 strcpy(apriv->proc_name,dev->name);
4503 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4504 S_IFDIR|airo_perm,
4505 airo_entry);
4506 if (!apriv->proc_entry)
4507 goto fail;
4508 apriv->proc_entry->uid = proc_uid;
4509 apriv->proc_entry->gid = proc_gid;
4510
4511 /* Setup the StatsDelta */
4512 entry = proc_create_data("StatsDelta",
4513 S_IFREG | (S_IRUGO&proc_perm),
4514 apriv->proc_entry, &proc_statsdelta_ops, dev);
4515 if (!entry)
4516 goto fail_stats_delta;
4517 entry->uid = proc_uid;
4518 entry->gid = proc_gid;
4519
4520 /* Setup the Stats */
4521 entry = proc_create_data("Stats",
4522 S_IFREG | (S_IRUGO&proc_perm),
4523 apriv->proc_entry, &proc_stats_ops, dev);
4524 if (!entry)
4525 goto fail_stats;
4526 entry->uid = proc_uid;
4527 entry->gid = proc_gid;
4528
4529 /* Setup the Status */
4530 entry = proc_create_data("Status",
4531 S_IFREG | (S_IRUGO&proc_perm),
4532 apriv->proc_entry, &proc_status_ops, dev);
4533 if (!entry)
4534 goto fail_status;
4535 entry->uid = proc_uid;
4536 entry->gid = proc_gid;
4537
4538 /* Setup the Config */
4539 entry = proc_create_data("Config",
4540 S_IFREG | proc_perm,
4541 apriv->proc_entry, &proc_config_ops, dev);
4542 if (!entry)
4543 goto fail_config;
4544 entry->uid = proc_uid;
4545 entry->gid = proc_gid;
4546
4547 /* Setup the SSID */
4548 entry = proc_create_data("SSID",
4549 S_IFREG | proc_perm,
4550 apriv->proc_entry, &proc_SSID_ops, dev);
4551 if (!entry)
4552 goto fail_ssid;
4553 entry->uid = proc_uid;
4554 entry->gid = proc_gid;
4555
4556 /* Setup the APList */
4557 entry = proc_create_data("APList",
4558 S_IFREG | proc_perm,
4559 apriv->proc_entry, &proc_APList_ops, dev);
4560 if (!entry)
4561 goto fail_aplist;
4562 entry->uid = proc_uid;
4563 entry->gid = proc_gid;
4564
4565 /* Setup the BSSList */
4566 entry = proc_create_data("BSSList",
4567 S_IFREG | proc_perm,
4568 apriv->proc_entry, &proc_BSSList_ops, dev);
4569 if (!entry)
4570 goto fail_bsslist;
4571 entry->uid = proc_uid;
4572 entry->gid = proc_gid;
4573
4574 /* Setup the WepKey */
4575 entry = proc_create_data("WepKey",
4576 S_IFREG | proc_perm,
4577 apriv->proc_entry, &proc_wepkey_ops, dev);
4578 if (!entry)
4579 goto fail_wepkey;
4580 entry->uid = proc_uid;
4581 entry->gid = proc_gid;
4582
4583 return 0;
4584
4585 fail_wepkey:
4586 remove_proc_entry("BSSList", apriv->proc_entry);
4587 fail_bsslist:
4588 remove_proc_entry("APList", apriv->proc_entry);
4589 fail_aplist:
4590 remove_proc_entry("SSID", apriv->proc_entry);
4591 fail_ssid:
4592 remove_proc_entry("Config", apriv->proc_entry);
4593 fail_config:
4594 remove_proc_entry("Status", apriv->proc_entry);
4595 fail_status:
4596 remove_proc_entry("Stats", apriv->proc_entry);
4597 fail_stats:
4598 remove_proc_entry("StatsDelta", apriv->proc_entry);
4599 fail_stats_delta:
4600 remove_proc_entry(apriv->proc_name, airo_entry);
4601 fail:
4602 return -ENOMEM;
4603 }
4604
4605 static int takedown_proc_entry( struct net_device *dev,
4606 struct airo_info *apriv ) {
4607 if ( !apriv->proc_entry->namelen ) return 0;
4608 remove_proc_entry("Stats",apriv->proc_entry);
4609 remove_proc_entry("StatsDelta",apriv->proc_entry);
4610 remove_proc_entry("Status",apriv->proc_entry);
4611 remove_proc_entry("Config",apriv->proc_entry);
4612 remove_proc_entry("SSID",apriv->proc_entry);
4613 remove_proc_entry("APList",apriv->proc_entry);
4614 remove_proc_entry("BSSList",apriv->proc_entry);
4615 remove_proc_entry("WepKey",apriv->proc_entry);
4616 remove_proc_entry(apriv->proc_name,airo_entry);
4617 return 0;
4618 }
4619
4620 /*
4621 * What we want from the proc_fs is to be able to efficiently read
4622 * and write the configuration. To do this, we want to read the
4623 * configuration when the file is opened and write it when the file is
4624 * closed. So basically we allocate a read buffer at open and fill it
4625 * with data, and allocate a write buffer and read it at close.
4626 */
4627
4628 /*
4629 * The read routine is generic, it relies on the preallocated rbuffer
4630 * to supply the data.
4631 */
4632 static ssize_t proc_read( struct file *file,
4633 char __user *buffer,
4634 size_t len,
4635 loff_t *offset )
4636 {
4637 struct proc_data *priv = file->private_data;
4638
4639 if (!priv->rbuffer)
4640 return -EINVAL;
4641
4642 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4643 priv->readlen);
4644 }
4645
4646 /*
4647 * The write routine is generic, it fills in a preallocated rbuffer
4648 * to supply the data.
4649 */
4650 static ssize_t proc_write( struct file *file,
4651 const char __user *buffer,
4652 size_t len,
4653 loff_t *offset )
4654 {
4655 loff_t pos = *offset;
4656 struct proc_data *priv = file->private_data;
4657
4658 if (!priv->wbuffer)
4659 return -EINVAL;
4660
4661 if (pos < 0)
4662 return -EINVAL;
4663 if (pos >= priv->maxwritelen)
4664 return 0;
4665 if (len > priv->maxwritelen - pos)
4666 len = priv->maxwritelen - pos;
4667 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4668 return -EFAULT;
4669 if ( pos + len > priv->writelen )
4670 priv->writelen = len + file->f_pos;
4671 *offset = pos + len;
4672 return len;
4673 }
4674
4675 static int proc_status_open(struct inode *inode, struct file *file)
4676 {
4677 struct proc_data *data;
4678 struct proc_dir_entry *dp = PDE(inode);
4679 struct net_device *dev = dp->data;
4680 struct airo_info *apriv = dev->ml_priv;
4681 CapabilityRid cap_rid;
4682 StatusRid status_rid;
4683 u16 mode;
4684 int i;
4685
4686 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4687 return -ENOMEM;
4688 data = file->private_data;
4689 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4690 kfree (file->private_data);
4691 return -ENOMEM;
4692 }
4693
4694 readStatusRid(apriv, &status_rid, 1);
4695 readCapabilityRid(apriv, &cap_rid, 1);
4696
4697 mode = le16_to_cpu(status_rid.mode);
4698
4699 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4700 mode & 1 ? "CFG ": "",
4701 mode & 2 ? "ACT ": "",
4702 mode & 0x10 ? "SYN ": "",
4703 mode & 0x20 ? "LNK ": "",
4704 mode & 0x40 ? "LEAP ": "",
4705 mode & 0x80 ? "PRIV ": "",
4706 mode & 0x100 ? "KEY ": "",
4707 mode & 0x200 ? "WEP ": "",
4708 mode & 0x8000 ? "ERR ": "");
4709 sprintf( data->rbuffer+i, "Mode: %x\n"
4710 "Signal Strength: %d\n"
4711 "Signal Quality: %d\n"
4712 "SSID: %-.*s\n"
4713 "AP: %-.16s\n"
4714 "Freq: %d\n"
4715 "BitRate: %dmbs\n"
4716 "Driver Version: %s\n"
4717 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4718 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4719 "Software Version: %x\nSoftware Subversion: %x\n"
4720 "Boot block version: %x\n",
4721 le16_to_cpu(status_rid.mode),
4722 le16_to_cpu(status_rid.normalizedSignalStrength),
4723 le16_to_cpu(status_rid.signalQuality),
4724 le16_to_cpu(status_rid.SSIDlen),
4725 status_rid.SSID,
4726 status_rid.apName,
4727 le16_to_cpu(status_rid.channel),
4728 le16_to_cpu(status_rid.currentXmitRate) / 2,
4729 version,
4730 cap_rid.prodName,
4731 cap_rid.manName,
4732 cap_rid.prodVer,
4733 le16_to_cpu(cap_rid.radioType),
4734 le16_to_cpu(cap_rid.country),
4735 le16_to_cpu(cap_rid.hardVer),
4736 le16_to_cpu(cap_rid.softVer),
4737 le16_to_cpu(cap_rid.softSubVer),
4738 le16_to_cpu(cap_rid.bootBlockVer));
4739 data->readlen = strlen( data->rbuffer );
4740 return 0;
4741 }
4742
4743 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4744 static int proc_statsdelta_open( struct inode *inode,
4745 struct file *file ) {
4746 if (file->f_mode&FMODE_WRITE) {
4747 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4748 }
4749 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4750 }
4751
4752 static int proc_stats_open( struct inode *inode, struct file *file ) {
4753 return proc_stats_rid_open(inode, file, RID_STATS);
4754 }
4755
4756 static int proc_stats_rid_open( struct inode *inode,
4757 struct file *file,
4758 u16 rid )
4759 {
4760 struct proc_data *data;
4761 struct proc_dir_entry *dp = PDE(inode);
4762 struct net_device *dev = dp->data;
4763 struct airo_info *apriv = dev->ml_priv;
4764 StatsRid stats;
4765 int i, j;
4766 __le32 *vals = stats.vals;
4767 int len;
4768
4769 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4770 return -ENOMEM;
4771 data = file->private_data;
4772 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4773 kfree (file->private_data);
4774 return -ENOMEM;
4775 }
4776
4777 readStatsRid(apriv, &stats, rid, 1);
4778 len = le16_to_cpu(stats.len);
4779
4780 j = 0;
4781 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4782 if (!statsLabels[i]) continue;
4783 if (j+strlen(statsLabels[i])+16>4096) {
4784 airo_print_warn(apriv->dev->name,
4785 "Potentially disasterous buffer overflow averted!");
4786 break;
4787 }
4788 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4789 le32_to_cpu(vals[i]));
4790 }
4791 if (i*4 >= len) {
4792 airo_print_warn(apriv->dev->name, "Got a short rid");
4793 }
4794 data->readlen = j;
4795 return 0;
4796 }
4797
4798 static int get_dec_u16( char *buffer, int *start, int limit ) {
4799 u16 value;
4800 int valid = 0;
4801 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4802 buffer[*start] <= '9'; (*start)++) {
4803 valid = 1;
4804 value *= 10;
4805 value += buffer[*start] - '0';
4806 }
4807 if ( !valid ) return -1;
4808 return value;
4809 }
4810
4811 static int airo_config_commit(struct net_device *dev,
4812 struct iw_request_info *info, void *zwrq,
4813 char *extra);
4814
4815 static inline int sniffing_mode(struct airo_info *ai)
4816 {
4817 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4818 le16_to_cpu(RXMODE_RFMON);
4819 }
4820
4821 static void proc_config_on_close(struct inode *inode, struct file *file)
4822 {
4823 struct proc_data *data = file->private_data;
4824 struct proc_dir_entry *dp = PDE(inode);
4825 struct net_device *dev = dp->data;
4826 struct airo_info *ai = dev->ml_priv;
4827 char *line;
4828
4829 if ( !data->writelen ) return;
4830
4831 readConfigRid(ai, 1);
4832 set_bit (FLAG_COMMIT, &ai->flags);
4833
4834 line = data->wbuffer;
4835 while( line[0] ) {
4836 /*** Mode processing */
4837 if ( !strncmp( line, "Mode: ", 6 ) ) {
4838 line += 6;
4839 if (sniffing_mode(ai))
4840 set_bit (FLAG_RESET, &ai->flags);
4841 ai->config.rmode &= ~RXMODE_FULL_MASK;
4842 clear_bit (FLAG_802_11, &ai->flags);
4843 ai->config.opmode &= ~MODE_CFG_MASK;
4844 ai->config.scanMode = SCANMODE_ACTIVE;
4845 if ( line[0] == 'a' ) {
4846 ai->config.opmode |= MODE_STA_IBSS;
4847 } else {
4848 ai->config.opmode |= MODE_STA_ESS;
4849 if ( line[0] == 'r' ) {
4850 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4851 ai->config.scanMode = SCANMODE_PASSIVE;
4852 set_bit (FLAG_802_11, &ai->flags);
4853 } else if ( line[0] == 'y' ) {
4854 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4855 ai->config.scanMode = SCANMODE_PASSIVE;
4856 set_bit (FLAG_802_11, &ai->flags);
4857 } else if ( line[0] == 'l' )
4858 ai->config.rmode |= RXMODE_LANMON;
4859 }
4860 set_bit (FLAG_COMMIT, &ai->flags);
4861 }
4862
4863 /*** Radio status */
4864 else if (!strncmp(line,"Radio: ", 7)) {
4865 line += 7;
4866 if (!strncmp(line,"off",3)) {
4867 set_bit (FLAG_RADIO_OFF, &ai->flags);
4868 } else {
4869 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4870 }
4871 }
4872 /*** NodeName processing */
4873 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4874 int j;
4875
4876 line += 10;
4877 memset( ai->config.nodeName, 0, 16 );
4878 /* Do the name, assume a space between the mode and node name */
4879 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4880 ai->config.nodeName[j] = line[j];
4881 }
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 }
4884
4885 /*** PowerMode processing */
4886 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4887 line += 11;
4888 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4889 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4890 set_bit (FLAG_COMMIT, &ai->flags);
4891 } else if ( !strncmp( line, "PSP", 3 ) ) {
4892 ai->config.powerSaveMode = POWERSAVE_PSP;
4893 set_bit (FLAG_COMMIT, &ai->flags);
4894 } else {
4895 ai->config.powerSaveMode = POWERSAVE_CAM;
4896 set_bit (FLAG_COMMIT, &ai->flags);
4897 }
4898 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4899 int v, i = 0, k = 0; /* i is index into line,
4900 k is index to rates */
4901
4902 line += 11;
4903 while((v = get_dec_u16(line, &i, 3))!=-1) {
4904 ai->config.rates[k++] = (u8)v;
4905 line += i + 1;
4906 i = 0;
4907 }
4908 set_bit (FLAG_COMMIT, &ai->flags);
4909 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4910 int v, i = 0;
4911 line += 9;
4912 v = get_dec_u16(line, &i, i+3);
4913 if ( v != -1 ) {
4914 ai->config.channelSet = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 }
4917 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4918 int v, i = 0;
4919 line += 11;
4920 v = get_dec_u16(line, &i, i+3);
4921 if ( v != -1 ) {
4922 ai->config.txPower = cpu_to_le16(v);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 }
4925 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4926 line += 5;
4927 switch( line[0] ) {
4928 case 's':
4929 ai->config.authType = AUTH_SHAREDKEY;
4930 break;
4931 case 'e':
4932 ai->config.authType = AUTH_ENCRYPT;
4933 break;
4934 default:
4935 ai->config.authType = AUTH_OPEN;
4936 break;
4937 }
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4940 int v, i = 0;
4941
4942 line += 16;
4943 v = get_dec_u16(line, &i, 3);
4944 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4945 ai->config.longRetryLimit = cpu_to_le16(v);
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4948 int v, i = 0;
4949
4950 line += 17;
4951 v = get_dec_u16(line, &i, 3);
4952 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4953 ai->config.shortRetryLimit = cpu_to_le16(v);
4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4956 int v, i = 0;
4957
4958 line += 14;
4959 v = get_dec_u16(line, &i, 4);
4960 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4961 ai->config.rtsThres = cpu_to_le16(v);
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4964 int v, i = 0;
4965
4966 line += 16;
4967 v = get_dec_u16(line, &i, 5);
4968 v = (v<0) ? 0 : v;
4969 ai->config.txLifetime = cpu_to_le16(v);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4972 int v, i = 0;
4973
4974 line += 16;
4975 v = get_dec_u16(line, &i, 5);
4976 v = (v<0) ? 0 : v;
4977 ai->config.rxLifetime = cpu_to_le16(v);
4978 set_bit (FLAG_COMMIT, &ai->flags);
4979 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4980 ai->config.txDiversity =
4981 (line[13]=='l') ? 1 :
4982 ((line[13]=='r')? 2: 3);
4983 set_bit (FLAG_COMMIT, &ai->flags);
4984 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4985 ai->config.rxDiversity =
4986 (line[13]=='l') ? 1 :
4987 ((line[13]=='r')? 2: 3);
4988 set_bit (FLAG_COMMIT, &ai->flags);
4989 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4990 int v, i = 0;
4991
4992 line += 15;
4993 v = get_dec_u16(line, &i, 4);
4994 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4995 v = v & 0xfffe; /* Make sure its even */
4996 ai->config.fragThresh = cpu_to_le16(v);
4997 set_bit (FLAG_COMMIT, &ai->flags);
4998 } else if (!strncmp(line, "Modulation: ", 12)) {
4999 line += 12;
5000 switch(*line) {
5001 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5002 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5004 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5005 }
5006 } else if (!strncmp(line, "Preamble: ", 10)) {
5007 line += 10;
5008 switch(*line) {
5009 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5010 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5011 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5012 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5013 }
5014 } else {
5015 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5016 }
5017 while( line[0] && line[0] != '\n' ) line++;
5018 if ( line[0] ) line++;
5019 }
5020 airo_config_commit(dev, NULL, NULL, NULL);
5021 }
5022
5023 static const char *get_rmode(__le16 mode)
5024 {
5025 switch(mode & RXMODE_MASK) {
5026 case RXMODE_RFMON: return "rfmon";
5027 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5028 case RXMODE_LANMON: return "lanmon";
5029 }
5030 return "ESS";
5031 }
5032
5033 static int proc_config_open(struct inode *inode, struct file *file)
5034 {
5035 struct proc_data *data;
5036 struct proc_dir_entry *dp = PDE(inode);
5037 struct net_device *dev = dp->data;
5038 struct airo_info *ai = dev->ml_priv;
5039 int i;
5040 __le16 mode;
5041
5042 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5043 return -ENOMEM;
5044 data = file->private_data;
5045 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5046 kfree (file->private_data);
5047 return -ENOMEM;
5048 }
5049 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5050 kfree (data->rbuffer);
5051 kfree (file->private_data);
5052 return -ENOMEM;
5053 }
5054 data->maxwritelen = 2048;
5055 data->on_close = proc_config_on_close;
5056
5057 readConfigRid(ai, 1);
5058
5059 mode = ai->config.opmode & MODE_CFG_MASK;
5060 i = sprintf( data->rbuffer,
5061 "Mode: %s\n"
5062 "Radio: %s\n"
5063 "NodeName: %-16s\n"
5064 "PowerMode: %s\n"
5065 "DataRates: %d %d %d %d %d %d %d %d\n"
5066 "Channel: %d\n"
5067 "XmitPower: %d\n",
5068 mode == MODE_STA_IBSS ? "adhoc" :
5069 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5070 mode == MODE_AP ? "AP" :
5071 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5072 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5073 ai->config.nodeName,
5074 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5075 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5076 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5077 "Error",
5078 (int)ai->config.rates[0],
5079 (int)ai->config.rates[1],
5080 (int)ai->config.rates[2],
5081 (int)ai->config.rates[3],
5082 (int)ai->config.rates[4],
5083 (int)ai->config.rates[5],
5084 (int)ai->config.rates[6],
5085 (int)ai->config.rates[7],
5086 le16_to_cpu(ai->config.channelSet),
5087 le16_to_cpu(ai->config.txPower)
5088 );
5089 sprintf( data->rbuffer + i,
5090 "LongRetryLimit: %d\n"
5091 "ShortRetryLimit: %d\n"
5092 "RTSThreshold: %d\n"
5093 "TXMSDULifetime: %d\n"
5094 "RXMSDULifetime: %d\n"
5095 "TXDiversity: %s\n"
5096 "RXDiversity: %s\n"
5097 "FragThreshold: %d\n"
5098 "WEP: %s\n"
5099 "Modulation: %s\n"
5100 "Preamble: %s\n",
5101 le16_to_cpu(ai->config.longRetryLimit),
5102 le16_to_cpu(ai->config.shortRetryLimit),
5103 le16_to_cpu(ai->config.rtsThres),
5104 le16_to_cpu(ai->config.txLifetime),
5105 le16_to_cpu(ai->config.rxLifetime),
5106 ai->config.txDiversity == 1 ? "left" :
5107 ai->config.txDiversity == 2 ? "right" : "both",
5108 ai->config.rxDiversity == 1 ? "left" :
5109 ai->config.rxDiversity == 2 ? "right" : "both",
5110 le16_to_cpu(ai->config.fragThresh),
5111 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5112 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5113 ai->config.modulation == MOD_DEFAULT ? "default" :
5114 ai->config.modulation == MOD_CCK ? "cck" :
5115 ai->config.modulation == MOD_MOK ? "mok" : "error",
5116 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5117 ai->config.preamble == PREAMBLE_LONG ? "long" :
5118 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5119 );
5120 data->readlen = strlen( data->rbuffer );
5121 return 0;
5122 }
5123
5124 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5125 {
5126 struct proc_data *data = file->private_data;
5127 struct proc_dir_entry *dp = PDE(inode);
5128 struct net_device *dev = dp->data;
5129 struct airo_info *ai = dev->ml_priv;
5130 SsidRid SSID_rid;
5131 int i;
5132 char *p = data->wbuffer;
5133 char *end = p + data->writelen;
5134
5135 if (!data->writelen)
5136 return;
5137
5138 *end = '\n'; /* sentinel; we have space for it */
5139
5140 memset(&SSID_rid, 0, sizeof(SSID_rid));
5141
5142 for (i = 0; i < 3 && p < end; i++) {
5143 int j = 0;
5144 /* copy up to 32 characters from this line */
5145 while (*p != '\n' && j < 32)
5146 SSID_rid.ssids[i].ssid[j++] = *p++;
5147 if (j == 0)
5148 break;
5149 SSID_rid.ssids[i].len = cpu_to_le16(j);
5150 /* skip to the beginning of the next line */
5151 while (*p++ != '\n')
5152 ;
5153 }
5154 if (i)
5155 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5156 disable_MAC(ai, 1);
5157 writeSsidRid(ai, &SSID_rid, 1);
5158 enable_MAC(ai, 1);
5159 }
5160
5161 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5162 struct proc_data *data = file->private_data;
5163 struct proc_dir_entry *dp = PDE(inode);
5164 struct net_device *dev = dp->data;
5165 struct airo_info *ai = dev->ml_priv;
5166 APListRid APList_rid;
5167 int i;
5168
5169 if ( !data->writelen ) return;
5170
5171 memset( &APList_rid, 0, sizeof(APList_rid) );
5172 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5173
5174 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5175 int j;
5176 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5177 switch(j%3) {
5178 case 0:
5179 APList_rid.ap[i][j/3]=
5180 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5181 break;
5182 case 1:
5183 APList_rid.ap[i][j/3]|=
5184 hex_to_bin(data->wbuffer[j+i*6*3]);
5185 break;
5186 }
5187 }
5188 }
5189 disable_MAC(ai, 1);
5190 writeAPListRid(ai, &APList_rid, 1);
5191 enable_MAC(ai, 1);
5192 }
5193
5194 /* This function wraps PC4500_writerid with a MAC disable */
5195 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5196 int len, int dummy ) {
5197 int rc;
5198
5199 disable_MAC(ai, 1);
5200 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5201 enable_MAC(ai, 1);
5202 return rc;
5203 }
5204
5205 /* Returns the WEP key at the specified index, or -1 if that key does
5206 * not exist. The buffer is assumed to be at least 16 bytes in length.
5207 */
5208 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5209 {
5210 WepKeyRid wkr;
5211 int rc;
5212 __le16 lastindex;
5213
5214 rc = readWepKeyRid(ai, &wkr, 1, 1);
5215 if (rc != SUCCESS)
5216 return -1;
5217 do {
5218 lastindex = wkr.kindex;
5219 if (le16_to_cpu(wkr.kindex) == index) {
5220 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5221 memcpy(buf, wkr.key, klen);
5222 return klen;
5223 }
5224 rc = readWepKeyRid(ai, &wkr, 0, 1);
5225 if (rc != SUCCESS)
5226 return -1;
5227 } while (lastindex != wkr.kindex);
5228 return -1;
5229 }
5230
5231 static int get_wep_tx_idx(struct airo_info *ai)
5232 {
5233 WepKeyRid wkr;
5234 int rc;
5235 __le16 lastindex;
5236
5237 rc = readWepKeyRid(ai, &wkr, 1, 1);
5238 if (rc != SUCCESS)
5239 return -1;
5240 do {
5241 lastindex = wkr.kindex;
5242 if (wkr.kindex == cpu_to_le16(0xffff))
5243 return wkr.mac[0];
5244 rc = readWepKeyRid(ai, &wkr, 0, 1);
5245 if (rc != SUCCESS)
5246 return -1;
5247 } while (lastindex != wkr.kindex);
5248 return -1;
5249 }
5250
5251 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5252 u16 keylen, int perm, int lock)
5253 {
5254 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5255 WepKeyRid wkr;
5256 int rc;
5257
5258 if (WARN_ON(keylen == 0))
5259 return -1;
5260
5261 memset(&wkr, 0, sizeof(wkr));
5262 wkr.len = cpu_to_le16(sizeof(wkr));
5263 wkr.kindex = cpu_to_le16(index);
5264 wkr.klen = cpu_to_le16(keylen);
5265 memcpy(wkr.key, key, keylen);
5266 memcpy(wkr.mac, macaddr, ETH_ALEN);
5267
5268 if (perm) disable_MAC(ai, lock);
5269 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5270 if (perm) enable_MAC(ai, lock);
5271 return rc;
5272 }
5273
5274 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5275 {
5276 WepKeyRid wkr;
5277 int rc;
5278
5279 memset(&wkr, 0, sizeof(wkr));
5280 wkr.len = cpu_to_le16(sizeof(wkr));
5281 wkr.kindex = cpu_to_le16(0xffff);
5282 wkr.mac[0] = (char)index;
5283
5284 if (perm) {
5285 ai->defindex = (char)index;
5286 disable_MAC(ai, lock);
5287 }
5288
5289 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5290
5291 if (perm)
5292 enable_MAC(ai, lock);
5293 return rc;
5294 }
5295
5296 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5297 struct proc_data *data;
5298 struct proc_dir_entry *dp = PDE(inode);
5299 struct net_device *dev = dp->data;
5300 struct airo_info *ai = dev->ml_priv;
5301 int i, rc;
5302 char key[16];
5303 u16 index = 0;
5304 int j = 0;
5305
5306 memset(key, 0, sizeof(key));
5307
5308 data = file->private_data;
5309 if ( !data->writelen ) return;
5310
5311 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5312 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5313 index = data->wbuffer[0] - '0';
5314 if (data->wbuffer[1] == '\n') {
5315 rc = set_wep_tx_idx(ai, index, 1, 1);
5316 if (rc < 0) {
5317 airo_print_err(ai->dev->name, "failed to set "
5318 "WEP transmit index to %d: %d.",
5319 index, rc);
5320 }
5321 return;
5322 }
5323 j = 2;
5324 } else {
5325 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5326 return;
5327 }
5328
5329 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5330 switch(i%3) {
5331 case 0:
5332 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5333 break;
5334 case 1:
5335 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5336 break;
5337 }
5338 }
5339
5340 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5341 if (rc < 0) {
5342 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5343 "%d: %d.", index, rc);
5344 }
5345 }
5346
5347 static int proc_wepkey_open( struct inode *inode, struct file *file )
5348 {
5349 struct proc_data *data;
5350 struct proc_dir_entry *dp = PDE(inode);
5351 struct net_device *dev = dp->data;
5352 struct airo_info *ai = dev->ml_priv;
5353 char *ptr;
5354 WepKeyRid wkr;
5355 __le16 lastindex;
5356 int j=0;
5357 int rc;
5358
5359 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5360 return -ENOMEM;
5361 memset(&wkr, 0, sizeof(wkr));
5362 data = file->private_data;
5363 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5364 kfree (file->private_data);
5365 return -ENOMEM;
5366 }
5367 data->writelen = 0;
5368 data->maxwritelen = 80;
5369 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5370 kfree (data->rbuffer);
5371 kfree (file->private_data);
5372 return -ENOMEM;
5373 }
5374 data->on_close = proc_wepkey_on_close;
5375
5376 ptr = data->rbuffer;
5377 strcpy(ptr, "No wep keys\n");
5378 rc = readWepKeyRid(ai, &wkr, 1, 1);
5379 if (rc == SUCCESS) do {
5380 lastindex = wkr.kindex;
5381 if (wkr.kindex == cpu_to_le16(0xffff)) {
5382 j += sprintf(ptr+j, "Tx key = %d\n",
5383 (int)wkr.mac[0]);
5384 } else {
5385 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5386 le16_to_cpu(wkr.kindex),
5387 le16_to_cpu(wkr.klen));
5388 }
5389 readWepKeyRid(ai, &wkr, 0, 1);
5390 } while((lastindex != wkr.kindex) && (j < 180-30));
5391
5392 data->readlen = strlen( data->rbuffer );
5393 return 0;
5394 }
5395
5396 static int proc_SSID_open(struct inode *inode, struct file *file)
5397 {
5398 struct proc_data *data;
5399 struct proc_dir_entry *dp = PDE(inode);
5400 struct net_device *dev = dp->data;
5401 struct airo_info *ai = dev->ml_priv;
5402 int i;
5403 char *ptr;
5404 SsidRid SSID_rid;
5405
5406 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5407 return -ENOMEM;
5408 data = file->private_data;
5409 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5410 kfree (file->private_data);
5411 return -ENOMEM;
5412 }
5413 data->writelen = 0;
5414 data->maxwritelen = 33*3;
5415 /* allocate maxwritelen + 1; we'll want a sentinel */
5416 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5417 kfree (data->rbuffer);
5418 kfree (file->private_data);
5419 return -ENOMEM;
5420 }
5421 data->on_close = proc_SSID_on_close;
5422
5423 readSsidRid(ai, &SSID_rid);
5424 ptr = data->rbuffer;
5425 for (i = 0; i < 3; i++) {
5426 int j;
5427 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5428 if (!len)
5429 break;
5430 if (len > 32)
5431 len = 32;
5432 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5433 *ptr++ = SSID_rid.ssids[i].ssid[j];
5434 *ptr++ = '\n';
5435 }
5436 *ptr = '\0';
5437 data->readlen = strlen( data->rbuffer );
5438 return 0;
5439 }
5440
5441 static int proc_APList_open( struct inode *inode, struct file *file ) {
5442 struct proc_data *data;
5443 struct proc_dir_entry *dp = PDE(inode);
5444 struct net_device *dev = dp->data;
5445 struct airo_info *ai = dev->ml_priv;
5446 int i;
5447 char *ptr;
5448 APListRid APList_rid;
5449
5450 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5451 return -ENOMEM;
5452 data = file->private_data;
5453 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5454 kfree (file->private_data);
5455 return -ENOMEM;
5456 }
5457 data->writelen = 0;
5458 data->maxwritelen = 4*6*3;
5459 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5460 kfree (data->rbuffer);
5461 kfree (file->private_data);
5462 return -ENOMEM;
5463 }
5464 data->on_close = proc_APList_on_close;
5465
5466 readAPListRid(ai, &APList_rid);
5467 ptr = data->rbuffer;
5468 for( i = 0; i < 4; i++ ) {
5469 // We end when we find a zero MAC
5470 if ( !*(int*)APList_rid.ap[i] &&
5471 !*(int*)&APList_rid.ap[i][2]) break;
5472 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5473 }
5474 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5475
5476 *ptr = '\0';
5477 data->readlen = strlen( data->rbuffer );
5478 return 0;
5479 }
5480
5481 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5482 struct proc_data *data;
5483 struct proc_dir_entry *dp = PDE(inode);
5484 struct net_device *dev = dp->data;
5485 struct airo_info *ai = dev->ml_priv;
5486 char *ptr;
5487 BSSListRid BSSList_rid;
5488 int rc;
5489 /* If doLoseSync is not 1, we won't do a Lose Sync */
5490 int doLoseSync = -1;
5491
5492 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5493 return -ENOMEM;
5494 data = file->private_data;
5495 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5496 kfree (file->private_data);
5497 return -ENOMEM;
5498 }
5499 data->writelen = 0;
5500 data->maxwritelen = 0;
5501 data->wbuffer = NULL;
5502 data->on_close = NULL;
5503
5504 if (file->f_mode & FMODE_WRITE) {
5505 if (!(file->f_mode & FMODE_READ)) {
5506 Cmd cmd;
5507 Resp rsp;
5508
5509 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5510 memset(&cmd, 0, sizeof(cmd));
5511 cmd.cmd=CMD_LISTBSS;
5512 if (down_interruptible(&ai->sem))
5513 return -ERESTARTSYS;
5514 issuecommand(ai, &cmd, &rsp);
5515 up(&ai->sem);
5516 data->readlen = 0;
5517 return 0;
5518 }
5519 doLoseSync = 1;
5520 }
5521 ptr = data->rbuffer;
5522 /* There is a race condition here if there are concurrent opens.
5523 Since it is a rare condition, we'll just live with it, otherwise
5524 we have to add a spin lock... */
5525 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5526 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5527 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5528 BSSList_rid.bssid,
5529 (int)BSSList_rid.ssidLen,
5530 BSSList_rid.ssid,
5531 le16_to_cpu(BSSList_rid.dBm));
5532 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5533 le16_to_cpu(BSSList_rid.dsChannel),
5534 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5535 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5536 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5537 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5538 rc = readBSSListRid(ai, 0, &BSSList_rid);
5539 }
5540 *ptr = '\0';
5541 data->readlen = strlen( data->rbuffer );
5542 return 0;
5543 }
5544
5545 static int proc_close( struct inode *inode, struct file *file )
5546 {
5547 struct proc_data *data = file->private_data;
5548
5549 if (data->on_close != NULL)
5550 data->on_close(inode, file);
5551 kfree(data->rbuffer);
5552 kfree(data->wbuffer);
5553 kfree(data);
5554 return 0;
5555 }
5556
5557 /* Since the card doesn't automatically switch to the right WEP mode,
5558 we will make it do it. If the card isn't associated, every secs we
5559 will switch WEP modes to see if that will help. If the card is
5560 associated we will check every minute to see if anything has
5561 changed. */
5562 static void timer_func( struct net_device *dev ) {
5563 struct airo_info *apriv = dev->ml_priv;
5564
5565 /* We don't have a link so try changing the authtype */
5566 readConfigRid(apriv, 0);
5567 disable_MAC(apriv, 0);
5568 switch(apriv->config.authType) {
5569 case AUTH_ENCRYPT:
5570 /* So drop to OPEN */
5571 apriv->config.authType = AUTH_OPEN;
5572 break;
5573 case AUTH_SHAREDKEY:
5574 if (apriv->keyindex < auto_wep) {
5575 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5576 apriv->config.authType = AUTH_SHAREDKEY;
5577 apriv->keyindex++;
5578 } else {
5579 /* Drop to ENCRYPT */
5580 apriv->keyindex = 0;
5581 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5582 apriv->config.authType = AUTH_ENCRYPT;
5583 }
5584 break;
5585 default: /* We'll escalate to SHAREDKEY */
5586 apriv->config.authType = AUTH_SHAREDKEY;
5587 }
5588 set_bit (FLAG_COMMIT, &apriv->flags);
5589 writeConfigRid(apriv, 0);
5590 enable_MAC(apriv, 0);
5591 up(&apriv->sem);
5592
5593 /* Schedule check to see if the change worked */
5594 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5595 apriv->expires = RUN_AT(HZ*3);
5596 }
5597
5598 #ifdef CONFIG_PCI
5599 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5600 const struct pci_device_id *pent)
5601 {
5602 struct net_device *dev;
5603
5604 if (pci_enable_device(pdev))
5605 return -ENODEV;
5606 pci_set_master(pdev);
5607
5608 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5609 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5610 else
5611 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5612 if (!dev) {
5613 pci_disable_device(pdev);
5614 return -ENODEV;
5615 }
5616
5617 pci_set_drvdata(pdev, dev);
5618 return 0;
5619 }
5620
5621 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5622 {
5623 struct net_device *dev = pci_get_drvdata(pdev);
5624
5625 airo_print_info(dev->name, "Unregistering...");
5626 stop_airo_card(dev, 1);
5627 pci_disable_device(pdev);
5628 pci_set_drvdata(pdev, NULL);
5629 }
5630
5631 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5632 {
5633 struct net_device *dev = pci_get_drvdata(pdev);
5634 struct airo_info *ai = dev->ml_priv;
5635 Cmd cmd;
5636 Resp rsp;
5637
5638 if (!ai->APList)
5639 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5640 if (!ai->APList)
5641 return -ENOMEM;
5642 if (!ai->SSID)
5643 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5644 if (!ai->SSID)
5645 return -ENOMEM;
5646 readAPListRid(ai, ai->APList);
5647 readSsidRid(ai, ai->SSID);
5648 memset(&cmd, 0, sizeof(cmd));
5649 /* the lock will be released at the end of the resume callback */
5650 if (down_interruptible(&ai->sem))
5651 return -EAGAIN;
5652 disable_MAC(ai, 0);
5653 netif_device_detach(dev);
5654 ai->power = state;
5655 cmd.cmd = HOSTSLEEP;
5656 issuecommand(ai, &cmd, &rsp);
5657
5658 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5659 pci_save_state(pdev);
5660 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5661 return 0;
5662 }
5663
5664 static int airo_pci_resume(struct pci_dev *pdev)
5665 {
5666 struct net_device *dev = pci_get_drvdata(pdev);
5667 struct airo_info *ai = dev->ml_priv;
5668 pci_power_t prev_state = pdev->current_state;
5669
5670 pci_set_power_state(pdev, PCI_D0);
5671 pci_restore_state(pdev);
5672 pci_enable_wake(pdev, PCI_D0, 0);
5673
5674 if (prev_state != PCI_D1) {
5675 reset_card(dev, 0);
5676 mpi_init_descriptors(ai);
5677 setup_card(ai, dev->dev_addr, 0);
5678 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5679 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5680 } else {
5681 OUT4500(ai, EVACK, EV_AWAKEN);
5682 OUT4500(ai, EVACK, EV_AWAKEN);
5683 msleep(100);
5684 }
5685
5686 set_bit(FLAG_COMMIT, &ai->flags);
5687 disable_MAC(ai, 0);
5688 msleep(200);
5689 if (ai->SSID) {
5690 writeSsidRid(ai, ai->SSID, 0);
5691 kfree(ai->SSID);
5692 ai->SSID = NULL;
5693 }
5694 if (ai->APList) {
5695 writeAPListRid(ai, ai->APList, 0);
5696 kfree(ai->APList);
5697 ai->APList = NULL;
5698 }
5699 writeConfigRid(ai, 0);
5700 enable_MAC(ai, 0);
5701 ai->power = PMSG_ON;
5702 netif_device_attach(dev);
5703 netif_wake_queue(dev);
5704 enable_interrupts(ai);
5705 up(&ai->sem);
5706 return 0;
5707 }
5708 #endif
5709
5710 static int __init airo_init_module( void )
5711 {
5712 int i;
5713
5714 airo_entry = create_proc_entry("driver/aironet",
5715 S_IFDIR | airo_perm,
5716 NULL);
5717
5718 if (airo_entry) {
5719 airo_entry->uid = proc_uid;
5720 airo_entry->gid = proc_gid;
5721 }
5722
5723 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5724 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5725 "io=0x%x", irq[i], io[i] );
5726 if (init_airo_card( irq[i], io[i], 0, NULL ))
5727 /* do nothing */ ;
5728 }
5729
5730 #ifdef CONFIG_PCI
5731 airo_print_info("", "Probing for PCI adapters");
5732 i = pci_register_driver(&airo_driver);
5733 airo_print_info("", "Finished probing for PCI adapters");
5734
5735 if (i) {
5736 remove_proc_entry("driver/aironet", NULL);
5737 return i;
5738 }
5739 #endif
5740
5741 /* Always exit with success, as we are a library module
5742 * as well as a driver module
5743 */
5744 return 0;
5745 }
5746
5747 static void __exit airo_cleanup_module( void )
5748 {
5749 struct airo_info *ai;
5750 while(!list_empty(&airo_devices)) {
5751 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5752 airo_print_info(ai->dev->name, "Unregistering...");
5753 stop_airo_card(ai->dev, 1);
5754 }
5755 #ifdef CONFIG_PCI
5756 pci_unregister_driver(&airo_driver);
5757 #endif
5758 remove_proc_entry("driver/aironet", NULL);
5759 }
5760
5761 /*
5762 * Initial Wireless Extension code for Aironet driver by :
5763 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5764 * Conversion to new driver API by :
5765 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5766 * Javier also did a good amount of work here, adding some new extensions
5767 * and fixing my code. Let's just say that without him this code just
5768 * would not work at all... - Jean II
5769 */
5770
5771 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5772 {
5773 if (!rssi_rid)
5774 return 0;
5775
5776 return (0x100 - rssi_rid[rssi].rssidBm);
5777 }
5778
5779 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5780 {
5781 int i;
5782
5783 if (!rssi_rid)
5784 return 0;
5785
5786 for (i = 0; i < 256; i++)
5787 if (rssi_rid[i].rssidBm == dbm)
5788 return rssi_rid[i].rssipct;
5789
5790 return 0;
5791 }
5792
5793
5794 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5795 {
5796 int quality = 0;
5797 u16 sq;
5798
5799 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5800 return 0;
5801
5802 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5803 return 0;
5804
5805 sq = le16_to_cpu(status_rid->signalQuality);
5806 if (memcmp(cap_rid->prodName, "350", 3))
5807 if (sq > 0x20)
5808 quality = 0;
5809 else
5810 quality = 0x20 - sq;
5811 else
5812 if (sq > 0xb0)
5813 quality = 0;
5814 else if (sq < 0x10)
5815 quality = 0xa0;
5816 else
5817 quality = 0xb0 - sq;
5818 return quality;
5819 }
5820
5821 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5822 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5823
5824 /*------------------------------------------------------------------*/
5825 /*
5826 * Wireless Handler : get protocol name
5827 */
5828 static int airo_get_name(struct net_device *dev,
5829 struct iw_request_info *info,
5830 char *cwrq,
5831 char *extra)
5832 {
5833 strcpy(cwrq, "IEEE 802.11-DS");
5834 return 0;
5835 }
5836
5837 /*------------------------------------------------------------------*/
5838 /*
5839 * Wireless Handler : set frequency
5840 */
5841 static int airo_set_freq(struct net_device *dev,
5842 struct iw_request_info *info,
5843 struct iw_freq *fwrq,
5844 char *extra)
5845 {
5846 struct airo_info *local = dev->ml_priv;
5847 int rc = -EINPROGRESS; /* Call commit handler */
5848
5849 /* If setting by frequency, convert to a channel */
5850 if(fwrq->e == 1) {
5851 int f = fwrq->m / 100000;
5852
5853 /* Hack to fall through... */
5854 fwrq->e = 0;
5855 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5856 }
5857 /* Setting by channel number */
5858 if((fwrq->m > 1000) || (fwrq->e > 0))
5859 rc = -EOPNOTSUPP;
5860 else {
5861 int channel = fwrq->m;
5862 /* We should do a better check than that,
5863 * based on the card capability !!! */
5864 if((channel < 1) || (channel > 14)) {
5865 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5866 fwrq->m);
5867 rc = -EINVAL;
5868 } else {
5869 readConfigRid(local, 1);
5870 /* Yes ! We can set it !!! */
5871 local->config.channelSet = cpu_to_le16(channel);
5872 set_bit (FLAG_COMMIT, &local->flags);
5873 }
5874 }
5875 return rc;
5876 }
5877
5878 /*------------------------------------------------------------------*/
5879 /*
5880 * Wireless Handler : get frequency
5881 */
5882 static int airo_get_freq(struct net_device *dev,
5883 struct iw_request_info *info,
5884 struct iw_freq *fwrq,
5885 char *extra)
5886 {
5887 struct airo_info *local = dev->ml_priv;
5888 StatusRid status_rid; /* Card status info */
5889 int ch;
5890
5891 readConfigRid(local, 1);
5892 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5893 status_rid.channel = local->config.channelSet;
5894 else
5895 readStatusRid(local, &status_rid, 1);
5896
5897 ch = le16_to_cpu(status_rid.channel);
5898 if((ch > 0) && (ch < 15)) {
5899 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5900 fwrq->e = 1;
5901 } else {
5902 fwrq->m = ch;
5903 fwrq->e = 0;
5904 }
5905
5906 return 0;
5907 }
5908
5909 /*------------------------------------------------------------------*/
5910 /*
5911 * Wireless Handler : set ESSID
5912 */
5913 static int airo_set_essid(struct net_device *dev,
5914 struct iw_request_info *info,
5915 struct iw_point *dwrq,
5916 char *extra)
5917 {
5918 struct airo_info *local = dev->ml_priv;
5919 SsidRid SSID_rid; /* SSIDs */
5920
5921 /* Reload the list of current SSID */
5922 readSsidRid(local, &SSID_rid);
5923
5924 /* Check if we asked for `any' */
5925 if (dwrq->flags == 0) {
5926 /* Just send an empty SSID list */
5927 memset(&SSID_rid, 0, sizeof(SSID_rid));
5928 } else {
5929 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5930
5931 /* Check the size of the string */
5932 if (dwrq->length > IW_ESSID_MAX_SIZE)
5933 return -E2BIG ;
5934
5935 /* Check if index is valid */
5936 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5937 return -EINVAL;
5938
5939 /* Set the SSID */
5940 memset(SSID_rid.ssids[index].ssid, 0,
5941 sizeof(SSID_rid.ssids[index].ssid));
5942 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5943 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5944 }
5945 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5946 /* Write it to the card */
5947 disable_MAC(local, 1);
5948 writeSsidRid(local, &SSID_rid, 1);
5949 enable_MAC(local, 1);
5950
5951 return 0;
5952 }
5953
5954 /*------------------------------------------------------------------*/
5955 /*
5956 * Wireless Handler : get ESSID
5957 */
5958 static int airo_get_essid(struct net_device *dev,
5959 struct iw_request_info *info,
5960 struct iw_point *dwrq,
5961 char *extra)
5962 {
5963 struct airo_info *local = dev->ml_priv;
5964 StatusRid status_rid; /* Card status info */
5965
5966 readStatusRid(local, &status_rid, 1);
5967
5968 /* Note : if dwrq->flags != 0, we should
5969 * get the relevant SSID from the SSID list... */
5970
5971 /* Get the current SSID */
5972 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5973 /* If none, we may want to get the one that was set */
5974
5975 /* Push it out ! */
5976 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5977 dwrq->flags = 1; /* active */
5978
5979 return 0;
5980 }
5981
5982 /*------------------------------------------------------------------*/
5983 /*
5984 * Wireless Handler : set AP address
5985 */
5986 static int airo_set_wap(struct net_device *dev,
5987 struct iw_request_info *info,
5988 struct sockaddr *awrq,
5989 char *extra)
5990 {
5991 struct airo_info *local = dev->ml_priv;
5992 Cmd cmd;
5993 Resp rsp;
5994 APListRid APList_rid;
5995 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5996 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5997
5998 if (awrq->sa_family != ARPHRD_ETHER)
5999 return -EINVAL;
6000 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6001 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6002 memset(&cmd, 0, sizeof(cmd));
6003 cmd.cmd=CMD_LOSE_SYNC;
6004 if (down_interruptible(&local->sem))
6005 return -ERESTARTSYS;
6006 issuecommand(local, &cmd, &rsp);
6007 up(&local->sem);
6008 } else {
6009 memset(&APList_rid, 0, sizeof(APList_rid));
6010 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6011 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6012 disable_MAC(local, 1);
6013 writeAPListRid(local, &APList_rid, 1);
6014 enable_MAC(local, 1);
6015 }
6016 return 0;
6017 }
6018
6019 /*------------------------------------------------------------------*/
6020 /*
6021 * Wireless Handler : get AP address
6022 */
6023 static int airo_get_wap(struct net_device *dev,
6024 struct iw_request_info *info,
6025 struct sockaddr *awrq,
6026 char *extra)
6027 {
6028 struct airo_info *local = dev->ml_priv;
6029 StatusRid status_rid; /* Card status info */
6030
6031 readStatusRid(local, &status_rid, 1);
6032
6033 /* Tentative. This seems to work, wow, I'm lucky !!! */
6034 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6035 awrq->sa_family = ARPHRD_ETHER;
6036
6037 return 0;
6038 }
6039
6040 /*------------------------------------------------------------------*/
6041 /*
6042 * Wireless Handler : set Nickname
6043 */
6044 static int airo_set_nick(struct net_device *dev,
6045 struct iw_request_info *info,
6046 struct iw_point *dwrq,
6047 char *extra)
6048 {
6049 struct airo_info *local = dev->ml_priv;
6050
6051 /* Check the size of the string */
6052 if(dwrq->length > 16) {
6053 return -E2BIG;
6054 }
6055 readConfigRid(local, 1);
6056 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6057 memcpy(local->config.nodeName, extra, dwrq->length);
6058 set_bit (FLAG_COMMIT, &local->flags);
6059
6060 return -EINPROGRESS; /* Call commit handler */
6061 }
6062
6063 /*------------------------------------------------------------------*/
6064 /*
6065 * Wireless Handler : get Nickname
6066 */
6067 static int airo_get_nick(struct net_device *dev,
6068 struct iw_request_info *info,
6069 struct iw_point *dwrq,
6070 char *extra)
6071 {
6072 struct airo_info *local = dev->ml_priv;
6073
6074 readConfigRid(local, 1);
6075 strncpy(extra, local->config.nodeName, 16);
6076 extra[16] = '\0';
6077 dwrq->length = strlen(extra);
6078
6079 return 0;
6080 }
6081
6082 /*------------------------------------------------------------------*/
6083 /*
6084 * Wireless Handler : set Bit-Rate
6085 */
6086 static int airo_set_rate(struct net_device *dev,
6087 struct iw_request_info *info,
6088 struct iw_param *vwrq,
6089 char *extra)
6090 {
6091 struct airo_info *local = dev->ml_priv;
6092 CapabilityRid cap_rid; /* Card capability info */
6093 u8 brate = 0;
6094 int i;
6095
6096 /* First : get a valid bit rate value */
6097 readCapabilityRid(local, &cap_rid, 1);
6098
6099 /* Which type of value ? */
6100 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6101 /* Setting by rate index */
6102 /* Find value in the magic rate table */
6103 brate = cap_rid.supportedRates[vwrq->value];
6104 } else {
6105 /* Setting by frequency value */
6106 u8 normvalue = (u8) (vwrq->value/500000);
6107
6108 /* Check if rate is valid */
6109 for(i = 0 ; i < 8 ; i++) {
6110 if(normvalue == cap_rid.supportedRates[i]) {
6111 brate = normvalue;
6112 break;
6113 }
6114 }
6115 }
6116 /* -1 designed the max rate (mostly auto mode) */
6117 if(vwrq->value == -1) {
6118 /* Get the highest available rate */
6119 for(i = 0 ; i < 8 ; i++) {
6120 if(cap_rid.supportedRates[i] == 0)
6121 break;
6122 }
6123 if(i != 0)
6124 brate = cap_rid.supportedRates[i - 1];
6125 }
6126 /* Check that it is valid */
6127 if(brate == 0) {
6128 return -EINVAL;
6129 }
6130
6131 readConfigRid(local, 1);
6132 /* Now, check if we want a fixed or auto value */
6133 if(vwrq->fixed == 0) {
6134 /* Fill all the rates up to this max rate */
6135 memset(local->config.rates, 0, 8);
6136 for(i = 0 ; i < 8 ; i++) {
6137 local->config.rates[i] = cap_rid.supportedRates[i];
6138 if(local->config.rates[i] == brate)
6139 break;
6140 }
6141 } else {
6142 /* Fixed mode */
6143 /* One rate, fixed */
6144 memset(local->config.rates, 0, 8);
6145 local->config.rates[0] = brate;
6146 }
6147 set_bit (FLAG_COMMIT, &local->flags);
6148
6149 return -EINPROGRESS; /* Call commit handler */
6150 }
6151
6152 /*------------------------------------------------------------------*/
6153 /*
6154 * Wireless Handler : get Bit-Rate
6155 */
6156 static int airo_get_rate(struct net_device *dev,
6157 struct iw_request_info *info,
6158 struct iw_param *vwrq,
6159 char *extra)
6160 {
6161 struct airo_info *local = dev->ml_priv;
6162 StatusRid status_rid; /* Card status info */
6163
6164 readStatusRid(local, &status_rid, 1);
6165
6166 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6167 /* If more than one rate, set auto */
6168 readConfigRid(local, 1);
6169 vwrq->fixed = (local->config.rates[1] == 0);
6170
6171 return 0;
6172 }
6173
6174 /*------------------------------------------------------------------*/
6175 /*
6176 * Wireless Handler : set RTS threshold
6177 */
6178 static int airo_set_rts(struct net_device *dev,
6179 struct iw_request_info *info,
6180 struct iw_param *vwrq,
6181 char *extra)
6182 {
6183 struct airo_info *local = dev->ml_priv;
6184 int rthr = vwrq->value;
6185
6186 if(vwrq->disabled)
6187 rthr = AIRO_DEF_MTU;
6188 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6189 return -EINVAL;
6190 }
6191 readConfigRid(local, 1);
6192 local->config.rtsThres = cpu_to_le16(rthr);
6193 set_bit (FLAG_COMMIT, &local->flags);
6194
6195 return -EINPROGRESS; /* Call commit handler */
6196 }
6197
6198 /*------------------------------------------------------------------*/
6199 /*
6200 * Wireless Handler : get RTS threshold
6201 */
6202 static int airo_get_rts(struct net_device *dev,
6203 struct iw_request_info *info,
6204 struct iw_param *vwrq,
6205 char *extra)
6206 {
6207 struct airo_info *local = dev->ml_priv;
6208
6209 readConfigRid(local, 1);
6210 vwrq->value = le16_to_cpu(local->config.rtsThres);
6211 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6212 vwrq->fixed = 1;
6213
6214 return 0;
6215 }
6216
6217 /*------------------------------------------------------------------*/
6218 /*
6219 * Wireless Handler : set Fragmentation threshold
6220 */
6221 static int airo_set_frag(struct net_device *dev,
6222 struct iw_request_info *info,
6223 struct iw_param *vwrq,
6224 char *extra)
6225 {
6226 struct airo_info *local = dev->ml_priv;
6227 int fthr = vwrq->value;
6228
6229 if(vwrq->disabled)
6230 fthr = AIRO_DEF_MTU;
6231 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6232 return -EINVAL;
6233 }
6234 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6235 readConfigRid(local, 1);
6236 local->config.fragThresh = cpu_to_le16(fthr);
6237 set_bit (FLAG_COMMIT, &local->flags);
6238
6239 return -EINPROGRESS; /* Call commit handler */
6240 }
6241
6242 /*------------------------------------------------------------------*/
6243 /*
6244 * Wireless Handler : get Fragmentation threshold
6245 */
6246 static int airo_get_frag(struct net_device *dev,
6247 struct iw_request_info *info,
6248 struct iw_param *vwrq,
6249 char *extra)
6250 {
6251 struct airo_info *local = dev->ml_priv;
6252
6253 readConfigRid(local, 1);
6254 vwrq->value = le16_to_cpu(local->config.fragThresh);
6255 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6256 vwrq->fixed = 1;
6257
6258 return 0;
6259 }
6260
6261 /*------------------------------------------------------------------*/
6262 /*
6263 * Wireless Handler : set Mode of Operation
6264 */
6265 static int airo_set_mode(struct net_device *dev,
6266 struct iw_request_info *info,
6267 __u32 *uwrq,
6268 char *extra)
6269 {
6270 struct airo_info *local = dev->ml_priv;
6271 int reset = 0;
6272
6273 readConfigRid(local, 1);
6274 if (sniffing_mode(local))
6275 reset = 1;
6276
6277 switch(*uwrq) {
6278 case IW_MODE_ADHOC:
6279 local->config.opmode &= ~MODE_CFG_MASK;
6280 local->config.opmode |= MODE_STA_IBSS;
6281 local->config.rmode &= ~RXMODE_FULL_MASK;
6282 local->config.scanMode = SCANMODE_ACTIVE;
6283 clear_bit (FLAG_802_11, &local->flags);
6284 break;
6285 case IW_MODE_INFRA:
6286 local->config.opmode &= ~MODE_CFG_MASK;
6287 local->config.opmode |= MODE_STA_ESS;
6288 local->config.rmode &= ~RXMODE_FULL_MASK;
6289 local->config.scanMode = SCANMODE_ACTIVE;
6290 clear_bit (FLAG_802_11, &local->flags);
6291 break;
6292 case IW_MODE_MASTER:
6293 local->config.opmode &= ~MODE_CFG_MASK;
6294 local->config.opmode |= MODE_AP;
6295 local->config.rmode &= ~RXMODE_FULL_MASK;
6296 local->config.scanMode = SCANMODE_ACTIVE;
6297 clear_bit (FLAG_802_11, &local->flags);
6298 break;
6299 case IW_MODE_REPEAT:
6300 local->config.opmode &= ~MODE_CFG_MASK;
6301 local->config.opmode |= MODE_AP_RPTR;
6302 local->config.rmode &= ~RXMODE_FULL_MASK;
6303 local->config.scanMode = SCANMODE_ACTIVE;
6304 clear_bit (FLAG_802_11, &local->flags);
6305 break;
6306 case IW_MODE_MONITOR:
6307 local->config.opmode &= ~MODE_CFG_MASK;
6308 local->config.opmode |= MODE_STA_ESS;
6309 local->config.rmode &= ~RXMODE_FULL_MASK;
6310 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6311 local->config.scanMode = SCANMODE_PASSIVE;
6312 set_bit (FLAG_802_11, &local->flags);
6313 break;
6314 default:
6315 return -EINVAL;
6316 }
6317 if (reset)
6318 set_bit (FLAG_RESET, &local->flags);
6319 set_bit (FLAG_COMMIT, &local->flags);
6320
6321 return -EINPROGRESS; /* Call commit handler */
6322 }
6323
6324 /*------------------------------------------------------------------*/
6325 /*
6326 * Wireless Handler : get Mode of Operation
6327 */
6328 static int airo_get_mode(struct net_device *dev,
6329 struct iw_request_info *info,
6330 __u32 *uwrq,
6331 char *extra)
6332 {
6333 struct airo_info *local = dev->ml_priv;
6334
6335 readConfigRid(local, 1);
6336 /* If not managed, assume it's ad-hoc */
6337 switch (local->config.opmode & MODE_CFG_MASK) {
6338 case MODE_STA_ESS:
6339 *uwrq = IW_MODE_INFRA;
6340 break;
6341 case MODE_AP:
6342 *uwrq = IW_MODE_MASTER;
6343 break;
6344 case MODE_AP_RPTR:
6345 *uwrq = IW_MODE_REPEAT;
6346 break;
6347 default:
6348 *uwrq = IW_MODE_ADHOC;
6349 }
6350
6351 return 0;
6352 }
6353
6354 static inline int valid_index(struct airo_info *ai, int index)
6355 {
6356 return (index >= 0) && (index <= ai->max_wep_idx);
6357 }
6358
6359 /*------------------------------------------------------------------*/
6360 /*
6361 * Wireless Handler : set Encryption Key
6362 */
6363 static int airo_set_encode(struct net_device *dev,
6364 struct iw_request_info *info,
6365 struct iw_point *dwrq,
6366 char *extra)
6367 {
6368 struct airo_info *local = dev->ml_priv;
6369 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6370 __le16 currentAuthType = local->config.authType;
6371 int rc = 0;
6372
6373 if (!local->wep_capable)
6374 return -EOPNOTSUPP;
6375
6376 readConfigRid(local, 1);
6377
6378 /* Basic checking: do we have a key to set ?
6379 * Note : with the new API, it's impossible to get a NULL pointer.
6380 * Therefore, we need to check a key size == 0 instead.
6381 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6382 * when no key is present (only change flags), but older versions
6383 * don't do it. - Jean II */
6384 if (dwrq->length > 0) {
6385 wep_key_t key;
6386 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6387 int current_index;
6388
6389 /* Check the size of the key */
6390 if (dwrq->length > MAX_KEY_SIZE) {
6391 return -EINVAL;
6392 }
6393
6394 current_index = get_wep_tx_idx(local);
6395 if (current_index < 0)
6396 current_index = 0;
6397
6398 /* Check the index (none -> use current) */
6399 if (!valid_index(local, index))
6400 index = current_index;
6401
6402 /* Set the length */
6403 if (dwrq->length > MIN_KEY_SIZE)
6404 key.len = MAX_KEY_SIZE;
6405 else
6406 key.len = MIN_KEY_SIZE;
6407 /* Check if the key is not marked as invalid */
6408 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6409 /* Cleanup */
6410 memset(key.key, 0, MAX_KEY_SIZE);
6411 /* Copy the key in the driver */
6412 memcpy(key.key, extra, dwrq->length);
6413 /* Send the key to the card */
6414 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6415 if (rc < 0) {
6416 airo_print_err(local->dev->name, "failed to set"
6417 " WEP key at index %d: %d.",
6418 index, rc);
6419 return rc;
6420 }
6421 }
6422 /* WE specify that if a valid key is set, encryption
6423 * should be enabled (user may turn it off later)
6424 * This is also how "iwconfig ethX key on" works */
6425 if((index == current_index) && (key.len > 0) &&
6426 (local->config.authType == AUTH_OPEN)) {
6427 local->config.authType = AUTH_ENCRYPT;
6428 }
6429 } else {
6430 /* Do we want to just set the transmit key index ? */
6431 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6432 if (valid_index(local, index)) {
6433 rc = set_wep_tx_idx(local, index, perm, 1);
6434 if (rc < 0) {
6435 airo_print_err(local->dev->name, "failed to set"
6436 " WEP transmit index to %d: %d.",
6437 index, rc);
6438 return rc;
6439 }
6440 } else {
6441 /* Don't complain if only change the mode */
6442 if (!(dwrq->flags & IW_ENCODE_MODE))
6443 return -EINVAL;
6444 }
6445 }
6446 /* Read the flags */
6447 if(dwrq->flags & IW_ENCODE_DISABLED)
6448 local->config.authType = AUTH_OPEN; // disable encryption
6449 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6450 local->config.authType = AUTH_SHAREDKEY; // Only Both
6451 if(dwrq->flags & IW_ENCODE_OPEN)
6452 local->config.authType = AUTH_ENCRYPT; // Only Wep
6453 /* Commit the changes to flags if needed */
6454 if (local->config.authType != currentAuthType)
6455 set_bit (FLAG_COMMIT, &local->flags);
6456 return -EINPROGRESS; /* Call commit handler */
6457 }
6458
6459 /*------------------------------------------------------------------*/
6460 /*
6461 * Wireless Handler : get Encryption Key
6462 */
6463 static int airo_get_encode(struct net_device *dev,
6464 struct iw_request_info *info,
6465 struct iw_point *dwrq,
6466 char *extra)
6467 {
6468 struct airo_info *local = dev->ml_priv;
6469 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6470 int wep_key_len;
6471 u8 buf[16];
6472
6473 if (!local->wep_capable)
6474 return -EOPNOTSUPP;
6475
6476 readConfigRid(local, 1);
6477
6478 /* Check encryption mode */
6479 switch(local->config.authType) {
6480 case AUTH_ENCRYPT:
6481 dwrq->flags = IW_ENCODE_OPEN;
6482 break;
6483 case AUTH_SHAREDKEY:
6484 dwrq->flags = IW_ENCODE_RESTRICTED;
6485 break;
6486 default:
6487 case AUTH_OPEN:
6488 dwrq->flags = IW_ENCODE_DISABLED;
6489 break;
6490 }
6491 /* We can't return the key, so set the proper flag and return zero */
6492 dwrq->flags |= IW_ENCODE_NOKEY;
6493 memset(extra, 0, 16);
6494
6495 /* Which key do we want ? -1 -> tx index */
6496 if (!valid_index(local, index)) {
6497 index = get_wep_tx_idx(local);
6498 if (index < 0)
6499 index = 0;
6500 }
6501 dwrq->flags |= index + 1;
6502
6503 /* Copy the key to the user buffer */
6504 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6505 if (wep_key_len < 0) {
6506 dwrq->length = 0;
6507 } else {
6508 dwrq->length = wep_key_len;
6509 memcpy(extra, buf, dwrq->length);
6510 }
6511
6512 return 0;
6513 }
6514
6515 /*------------------------------------------------------------------*/
6516 /*
6517 * Wireless Handler : set extended Encryption parameters
6518 */
6519 static int airo_set_encodeext(struct net_device *dev,
6520 struct iw_request_info *info,
6521 union iwreq_data *wrqu,
6522 char *extra)
6523 {
6524 struct airo_info *local = dev->ml_priv;
6525 struct iw_point *encoding = &wrqu->encoding;
6526 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6527 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6528 __le16 currentAuthType = local->config.authType;
6529 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6530 wep_key_t key;
6531
6532 if (!local->wep_capable)
6533 return -EOPNOTSUPP;
6534
6535 readConfigRid(local, 1);
6536
6537 /* Determine and validate the key index */
6538 idx = encoding->flags & IW_ENCODE_INDEX;
6539 if (idx) {
6540 if (!valid_index(local, idx - 1))
6541 return -EINVAL;
6542 idx--;
6543 } else {
6544 idx = get_wep_tx_idx(local);
6545 if (idx < 0)
6546 idx = 0;
6547 }
6548
6549 if (encoding->flags & IW_ENCODE_DISABLED)
6550 alg = IW_ENCODE_ALG_NONE;
6551
6552 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6553 /* Only set transmit key index here, actual
6554 * key is set below if needed.
6555 */
6556 rc = set_wep_tx_idx(local, idx, perm, 1);
6557 if (rc < 0) {
6558 airo_print_err(local->dev->name, "failed to set "
6559 "WEP transmit index to %d: %d.",
6560 idx, rc);
6561 return rc;
6562 }
6563 set_key = ext->key_len > 0 ? 1 : 0;
6564 }
6565
6566 if (set_key) {
6567 /* Set the requested key first */
6568 memset(key.key, 0, MAX_KEY_SIZE);
6569 switch (alg) {
6570 case IW_ENCODE_ALG_NONE:
6571 key.len = 0;
6572 break;
6573 case IW_ENCODE_ALG_WEP:
6574 if (ext->key_len > MIN_KEY_SIZE) {
6575 key.len = MAX_KEY_SIZE;
6576 } else if (ext->key_len > 0) {
6577 key.len = MIN_KEY_SIZE;
6578 } else {
6579 return -EINVAL;
6580 }
6581 key_len = min (ext->key_len, key.len);
6582 memcpy(key.key, ext->key, key_len);
6583 break;
6584 default:
6585 return -EINVAL;
6586 }
6587 if (key.len == 0) {
6588 rc = set_wep_tx_idx(local, idx, perm, 1);
6589 if (rc < 0) {
6590 airo_print_err(local->dev->name,
6591 "failed to set WEP transmit index to %d: %d.",
6592 idx, rc);
6593 return rc;
6594 }
6595 } else {
6596 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6597 if (rc < 0) {
6598 airo_print_err(local->dev->name,
6599 "failed to set WEP key at index %d: %d.",
6600 idx, rc);
6601 return rc;
6602 }
6603 }
6604 }
6605
6606 /* Read the flags */
6607 if(encoding->flags & IW_ENCODE_DISABLED)
6608 local->config.authType = AUTH_OPEN; // disable encryption
6609 if(encoding->flags & IW_ENCODE_RESTRICTED)
6610 local->config.authType = AUTH_SHAREDKEY; // Only Both
6611 if(encoding->flags & IW_ENCODE_OPEN)
6612 local->config.authType = AUTH_ENCRYPT; // Only Wep
6613 /* Commit the changes to flags if needed */
6614 if (local->config.authType != currentAuthType)
6615 set_bit (FLAG_COMMIT, &local->flags);
6616
6617 return -EINPROGRESS;
6618 }
6619
6620
6621 /*------------------------------------------------------------------*/
6622 /*
6623 * Wireless Handler : get extended Encryption parameters
6624 */
6625 static int airo_get_encodeext(struct net_device *dev,
6626 struct iw_request_info *info,
6627 union iwreq_data *wrqu,
6628 char *extra)
6629 {
6630 struct airo_info *local = dev->ml_priv;
6631 struct iw_point *encoding = &wrqu->encoding;
6632 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6633 int idx, max_key_len, wep_key_len;
6634 u8 buf[16];
6635
6636 if (!local->wep_capable)
6637 return -EOPNOTSUPP;
6638
6639 readConfigRid(local, 1);
6640
6641 max_key_len = encoding->length - sizeof(*ext);
6642 if (max_key_len < 0)
6643 return -EINVAL;
6644
6645 idx = encoding->flags & IW_ENCODE_INDEX;
6646 if (idx) {
6647 if (!valid_index(local, idx - 1))
6648 return -EINVAL;
6649 idx--;
6650 } else {
6651 idx = get_wep_tx_idx(local);
6652 if (idx < 0)
6653 idx = 0;
6654 }
6655
6656 encoding->flags = idx + 1;
6657 memset(ext, 0, sizeof(*ext));
6658
6659 /* Check encryption mode */
6660 switch(local->config.authType) {
6661 case AUTH_ENCRYPT:
6662 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6663 break;
6664 case AUTH_SHAREDKEY:
6665 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6666 break;
6667 default:
6668 case AUTH_OPEN:
6669 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6670 break;
6671 }
6672 /* We can't return the key, so set the proper flag and return zero */
6673 encoding->flags |= IW_ENCODE_NOKEY;
6674 memset(extra, 0, 16);
6675
6676 /* Copy the key to the user buffer */
6677 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6678 if (wep_key_len < 0) {
6679 ext->key_len = 0;
6680 } else {
6681 ext->key_len = wep_key_len;
6682 memcpy(extra, buf, ext->key_len);
6683 }
6684
6685 return 0;
6686 }
6687
6688
6689 /*------------------------------------------------------------------*/
6690 /*
6691 * Wireless Handler : set extended authentication parameters
6692 */
6693 static int airo_set_auth(struct net_device *dev,
6694 struct iw_request_info *info,
6695 union iwreq_data *wrqu, char *extra)
6696 {
6697 struct airo_info *local = dev->ml_priv;
6698 struct iw_param *param = &wrqu->param;
6699 __le16 currentAuthType = local->config.authType;
6700
6701 switch (param->flags & IW_AUTH_INDEX) {
6702 case IW_AUTH_WPA_VERSION:
6703 case IW_AUTH_CIPHER_PAIRWISE:
6704 case IW_AUTH_CIPHER_GROUP:
6705 case IW_AUTH_KEY_MGMT:
6706 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6707 case IW_AUTH_PRIVACY_INVOKED:
6708 /*
6709 * airo does not use these parameters
6710 */
6711 break;
6712
6713 case IW_AUTH_DROP_UNENCRYPTED:
6714 if (param->value) {
6715 /* Only change auth type if unencrypted */
6716 if (currentAuthType == AUTH_OPEN)
6717 local->config.authType = AUTH_ENCRYPT;
6718 } else {
6719 local->config.authType = AUTH_OPEN;
6720 }
6721
6722 /* Commit the changes to flags if needed */
6723 if (local->config.authType != currentAuthType)
6724 set_bit (FLAG_COMMIT, &local->flags);
6725 break;
6726
6727 case IW_AUTH_80211_AUTH_ALG: {
6728 /* FIXME: What about AUTH_OPEN? This API seems to
6729 * disallow setting our auth to AUTH_OPEN.
6730 */
6731 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6732 local->config.authType = AUTH_SHAREDKEY;
6733 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6734 local->config.authType = AUTH_ENCRYPT;
6735 } else
6736 return -EINVAL;
6737
6738 /* Commit the changes to flags if needed */
6739 if (local->config.authType != currentAuthType)
6740 set_bit (FLAG_COMMIT, &local->flags);
6741 break;
6742 }
6743
6744 case IW_AUTH_WPA_ENABLED:
6745 /* Silently accept disable of WPA */
6746 if (param->value > 0)
6747 return -EOPNOTSUPP;
6748 break;
6749
6750 default:
6751 return -EOPNOTSUPP;
6752 }
6753 return -EINPROGRESS;
6754 }
6755
6756
6757 /*------------------------------------------------------------------*/
6758 /*
6759 * Wireless Handler : get extended authentication parameters
6760 */
6761 static int airo_get_auth(struct net_device *dev,
6762 struct iw_request_info *info,
6763 union iwreq_data *wrqu, char *extra)
6764 {
6765 struct airo_info *local = dev->ml_priv;
6766 struct iw_param *param = &wrqu->param;
6767 __le16 currentAuthType = local->config.authType;
6768
6769 switch (param->flags & IW_AUTH_INDEX) {
6770 case IW_AUTH_DROP_UNENCRYPTED:
6771 switch (currentAuthType) {
6772 case AUTH_SHAREDKEY:
6773 case AUTH_ENCRYPT:
6774 param->value = 1;
6775 break;
6776 default:
6777 param->value = 0;
6778 break;
6779 }
6780 break;
6781
6782 case IW_AUTH_80211_AUTH_ALG:
6783 switch (currentAuthType) {
6784 case AUTH_SHAREDKEY:
6785 param->value = IW_AUTH_ALG_SHARED_KEY;
6786 break;
6787 case AUTH_ENCRYPT:
6788 default:
6789 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6790 break;
6791 }
6792 break;
6793
6794 case IW_AUTH_WPA_ENABLED:
6795 param->value = 0;
6796 break;
6797
6798 default:
6799 return -EOPNOTSUPP;
6800 }
6801 return 0;
6802 }
6803
6804
6805 /*------------------------------------------------------------------*/
6806 /*
6807 * Wireless Handler : set Tx-Power
6808 */
6809 static int airo_set_txpow(struct net_device *dev,
6810 struct iw_request_info *info,
6811 struct iw_param *vwrq,
6812 char *extra)
6813 {
6814 struct airo_info *local = dev->ml_priv;
6815 CapabilityRid cap_rid; /* Card capability info */
6816 int i;
6817 int rc = -EINVAL;
6818 __le16 v = cpu_to_le16(vwrq->value);
6819
6820 readCapabilityRid(local, &cap_rid, 1);
6821
6822 if (vwrq->disabled) {
6823 set_bit (FLAG_RADIO_OFF, &local->flags);
6824 set_bit (FLAG_COMMIT, &local->flags);
6825 return -EINPROGRESS; /* Call commit handler */
6826 }
6827 if (vwrq->flags != IW_TXPOW_MWATT) {
6828 return -EINVAL;
6829 }
6830 clear_bit (FLAG_RADIO_OFF, &local->flags);
6831 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6832 if (v == cap_rid.txPowerLevels[i]) {
6833 readConfigRid(local, 1);
6834 local->config.txPower = v;
6835 set_bit (FLAG_COMMIT, &local->flags);
6836 rc = -EINPROGRESS; /* Call commit handler */
6837 break;
6838 }
6839 return rc;
6840 }
6841
6842 /*------------------------------------------------------------------*/
6843 /*
6844 * Wireless Handler : get Tx-Power
6845 */
6846 static int airo_get_txpow(struct net_device *dev,
6847 struct iw_request_info *info,
6848 struct iw_param *vwrq,
6849 char *extra)
6850 {
6851 struct airo_info *local = dev->ml_priv;
6852
6853 readConfigRid(local, 1);
6854 vwrq->value = le16_to_cpu(local->config.txPower);
6855 vwrq->fixed = 1; /* No power control */
6856 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6857 vwrq->flags = IW_TXPOW_MWATT;
6858
6859 return 0;
6860 }
6861
6862 /*------------------------------------------------------------------*/
6863 /*
6864 * Wireless Handler : set Retry limits
6865 */
6866 static int airo_set_retry(struct net_device *dev,
6867 struct iw_request_info *info,
6868 struct iw_param *vwrq,
6869 char *extra)
6870 {
6871 struct airo_info *local = dev->ml_priv;
6872 int rc = -EINVAL;
6873
6874 if(vwrq->disabled) {
6875 return -EINVAL;
6876 }
6877 readConfigRid(local, 1);
6878 if(vwrq->flags & IW_RETRY_LIMIT) {
6879 __le16 v = cpu_to_le16(vwrq->value);
6880 if(vwrq->flags & IW_RETRY_LONG)
6881 local->config.longRetryLimit = v;
6882 else if (vwrq->flags & IW_RETRY_SHORT)
6883 local->config.shortRetryLimit = v;
6884 else {
6885 /* No modifier : set both */
6886 local->config.longRetryLimit = v;
6887 local->config.shortRetryLimit = v;
6888 }
6889 set_bit (FLAG_COMMIT, &local->flags);
6890 rc = -EINPROGRESS; /* Call commit handler */
6891 }
6892 if(vwrq->flags & IW_RETRY_LIFETIME) {
6893 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6894 set_bit (FLAG_COMMIT, &local->flags);
6895 rc = -EINPROGRESS; /* Call commit handler */
6896 }
6897 return rc;
6898 }
6899
6900 /*------------------------------------------------------------------*/
6901 /*
6902 * Wireless Handler : get Retry limits
6903 */
6904 static int airo_get_retry(struct net_device *dev,
6905 struct iw_request_info *info,
6906 struct iw_param *vwrq,
6907 char *extra)
6908 {
6909 struct airo_info *local = dev->ml_priv;
6910
6911 vwrq->disabled = 0; /* Can't be disabled */
6912
6913 readConfigRid(local, 1);
6914 /* Note : by default, display the min retry number */
6915 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6916 vwrq->flags = IW_RETRY_LIFETIME;
6917 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6918 } else if((vwrq->flags & IW_RETRY_LONG)) {
6919 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6920 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6921 } else {
6922 vwrq->flags = IW_RETRY_LIMIT;
6923 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6924 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6925 vwrq->flags |= IW_RETRY_SHORT;
6926 }
6927
6928 return 0;
6929 }
6930
6931 /*------------------------------------------------------------------*/
6932 /*
6933 * Wireless Handler : get range info
6934 */
6935 static int airo_get_range(struct net_device *dev,
6936 struct iw_request_info *info,
6937 struct iw_point *dwrq,
6938 char *extra)
6939 {
6940 struct airo_info *local = dev->ml_priv;
6941 struct iw_range *range = (struct iw_range *) extra;
6942 CapabilityRid cap_rid; /* Card capability info */
6943 int i;
6944 int k;
6945
6946 readCapabilityRid(local, &cap_rid, 1);
6947
6948 dwrq->length = sizeof(struct iw_range);
6949 memset(range, 0, sizeof(*range));
6950 range->min_nwid = 0x0000;
6951 range->max_nwid = 0x0000;
6952 range->num_channels = 14;
6953 /* Should be based on cap_rid.country to give only
6954 * what the current card support */
6955 k = 0;
6956 for(i = 0; i < 14; i++) {
6957 range->freq[k].i = i + 1; /* List index */
6958 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6959 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6960 }
6961 range->num_frequency = k;
6962
6963 range->sensitivity = 65535;
6964
6965 /* Hum... Should put the right values there */
6966 if (local->rssi)
6967 range->max_qual.qual = 100; /* % */
6968 else
6969 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6970 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6971 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6972
6973 /* Experimental measurements - boundary 11/5.5 Mb/s */
6974 /* Note : with or without the (local->rssi), results
6975 * are somewhat different. - Jean II */
6976 if (local->rssi) {
6977 range->avg_qual.qual = 50; /* % */
6978 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6979 } else {
6980 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6981 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6982 }
6983 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6984
6985 for(i = 0 ; i < 8 ; i++) {
6986 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6987 if(range->bitrate[i] == 0)
6988 break;
6989 }
6990 range->num_bitrates = i;
6991
6992 /* Set an indication of the max TCP throughput
6993 * in bit/s that we can expect using this interface.
6994 * May be use for QoS stuff... Jean II */
6995 if(i > 2)
6996 range->throughput = 5000 * 1000;
6997 else
6998 range->throughput = 1500 * 1000;
6999
7000 range->min_rts = 0;
7001 range->max_rts = AIRO_DEF_MTU;
7002 range->min_frag = 256;
7003 range->max_frag = AIRO_DEF_MTU;
7004
7005 if(cap_rid.softCap & cpu_to_le16(2)) {
7006 // WEP: RC4 40 bits
7007 range->encoding_size[0] = 5;
7008 // RC4 ~128 bits
7009 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7010 range->encoding_size[1] = 13;
7011 range->num_encoding_sizes = 2;
7012 } else
7013 range->num_encoding_sizes = 1;
7014 range->max_encoding_tokens =
7015 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7016 } else {
7017 range->num_encoding_sizes = 0;
7018 range->max_encoding_tokens = 0;
7019 }
7020 range->min_pmp = 0;
7021 range->max_pmp = 5000000; /* 5 secs */
7022 range->min_pmt = 0;
7023 range->max_pmt = 65535 * 1024; /* ??? */
7024 range->pmp_flags = IW_POWER_PERIOD;
7025 range->pmt_flags = IW_POWER_TIMEOUT;
7026 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7027
7028 /* Transmit Power - values are in mW */
7029 for(i = 0 ; i < 8 ; i++) {
7030 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7031 if(range->txpower[i] == 0)
7032 break;
7033 }
7034 range->num_txpower = i;
7035 range->txpower_capa = IW_TXPOW_MWATT;
7036 range->we_version_source = 19;
7037 range->we_version_compiled = WIRELESS_EXT;
7038 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7039 range->retry_flags = IW_RETRY_LIMIT;
7040 range->r_time_flags = IW_RETRY_LIFETIME;
7041 range->min_retry = 1;
7042 range->max_retry = 65535;
7043 range->min_r_time = 1024;
7044 range->max_r_time = 65535 * 1024;
7045
7046 /* Event capability (kernel + driver) */
7047 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7048 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7049 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7050 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7051 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7052 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7053 return 0;
7054 }
7055
7056 /*------------------------------------------------------------------*/
7057 /*
7058 * Wireless Handler : set Power Management
7059 */
7060 static int airo_set_power(struct net_device *dev,
7061 struct iw_request_info *info,
7062 struct iw_param *vwrq,
7063 char *extra)
7064 {
7065 struct airo_info *local = dev->ml_priv;
7066
7067 readConfigRid(local, 1);
7068 if (vwrq->disabled) {
7069 if (sniffing_mode(local))
7070 return -EINVAL;
7071 local->config.powerSaveMode = POWERSAVE_CAM;
7072 local->config.rmode &= ~RXMODE_MASK;
7073 local->config.rmode |= RXMODE_BC_MC_ADDR;
7074 set_bit (FLAG_COMMIT, &local->flags);
7075 return -EINPROGRESS; /* Call commit handler */
7076 }
7077 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7078 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7079 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7080 set_bit (FLAG_COMMIT, &local->flags);
7081 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7082 local->config.fastListenInterval =
7083 local->config.listenInterval =
7084 cpu_to_le16((vwrq->value + 500) / 1024);
7085 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7086 set_bit (FLAG_COMMIT, &local->flags);
7087 }
7088 switch (vwrq->flags & IW_POWER_MODE) {
7089 case IW_POWER_UNICAST_R:
7090 if (sniffing_mode(local))
7091 return -EINVAL;
7092 local->config.rmode &= ~RXMODE_MASK;
7093 local->config.rmode |= RXMODE_ADDR;
7094 set_bit (FLAG_COMMIT, &local->flags);
7095 break;
7096 case IW_POWER_ALL_R:
7097 if (sniffing_mode(local))
7098 return -EINVAL;
7099 local->config.rmode &= ~RXMODE_MASK;
7100 local->config.rmode |= RXMODE_BC_MC_ADDR;
7101 set_bit (FLAG_COMMIT, &local->flags);
7102 case IW_POWER_ON:
7103 /* This is broken, fixme ;-) */
7104 break;
7105 default:
7106 return -EINVAL;
7107 }
7108 // Note : we may want to factor local->need_commit here
7109 // Note2 : may also want to factor RXMODE_RFMON test
7110 return -EINPROGRESS; /* Call commit handler */
7111 }
7112
7113 /*------------------------------------------------------------------*/
7114 /*
7115 * Wireless Handler : get Power Management
7116 */
7117 static int airo_get_power(struct net_device *dev,
7118 struct iw_request_info *info,
7119 struct iw_param *vwrq,
7120 char *extra)
7121 {
7122 struct airo_info *local = dev->ml_priv;
7123 __le16 mode;
7124
7125 readConfigRid(local, 1);
7126 mode = local->config.powerSaveMode;
7127 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7128 return 0;
7129 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7130 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7131 vwrq->flags = IW_POWER_TIMEOUT;
7132 } else {
7133 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7134 vwrq->flags = IW_POWER_PERIOD;
7135 }
7136 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7137 vwrq->flags |= IW_POWER_UNICAST_R;
7138 else
7139 vwrq->flags |= IW_POWER_ALL_R;
7140
7141 return 0;
7142 }
7143
7144 /*------------------------------------------------------------------*/
7145 /*
7146 * Wireless Handler : set Sensitivity
7147 */
7148 static int airo_set_sens(struct net_device *dev,
7149 struct iw_request_info *info,
7150 struct iw_param *vwrq,
7151 char *extra)
7152 {
7153 struct airo_info *local = dev->ml_priv;
7154
7155 readConfigRid(local, 1);
7156 local->config.rssiThreshold =
7157 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7158 set_bit (FLAG_COMMIT, &local->flags);
7159
7160 return -EINPROGRESS; /* Call commit handler */
7161 }
7162
7163 /*------------------------------------------------------------------*/
7164 /*
7165 * Wireless Handler : get Sensitivity
7166 */
7167 static int airo_get_sens(struct net_device *dev,
7168 struct iw_request_info *info,
7169 struct iw_param *vwrq,
7170 char *extra)
7171 {
7172 struct airo_info *local = dev->ml_priv;
7173
7174 readConfigRid(local, 1);
7175 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7176 vwrq->disabled = (vwrq->value == 0);
7177 vwrq->fixed = 1;
7178
7179 return 0;
7180 }
7181
7182 /*------------------------------------------------------------------*/
7183 /*
7184 * Wireless Handler : get AP List
7185 * Note : this is deprecated in favor of IWSCAN
7186 */
7187 static int airo_get_aplist(struct net_device *dev,
7188 struct iw_request_info *info,
7189 struct iw_point *dwrq,
7190 char *extra)
7191 {
7192 struct airo_info *local = dev->ml_priv;
7193 struct sockaddr *address = (struct sockaddr *) extra;
7194 struct iw_quality *qual;
7195 BSSListRid BSSList;
7196 int i;
7197 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7198
7199 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7200 if (!qual)
7201 return -ENOMEM;
7202
7203 for (i = 0; i < IW_MAX_AP; i++) {
7204 u16 dBm;
7205 if (readBSSListRid(local, loseSync, &BSSList))
7206 break;
7207 loseSync = 0;
7208 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7209 address[i].sa_family = ARPHRD_ETHER;
7210 dBm = le16_to_cpu(BSSList.dBm);
7211 if (local->rssi) {
7212 qual[i].level = 0x100 - dBm;
7213 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7214 qual[i].updated = IW_QUAL_QUAL_UPDATED
7215 | IW_QUAL_LEVEL_UPDATED
7216 | IW_QUAL_DBM;
7217 } else {
7218 qual[i].level = (dBm + 321) / 2;
7219 qual[i].qual = 0;
7220 qual[i].updated = IW_QUAL_QUAL_INVALID
7221 | IW_QUAL_LEVEL_UPDATED
7222 | IW_QUAL_DBM;
7223 }
7224 qual[i].noise = local->wstats.qual.noise;
7225 if (BSSList.index == cpu_to_le16(0xffff))
7226 break;
7227 }
7228 if (!i) {
7229 StatusRid status_rid; /* Card status info */
7230 readStatusRid(local, &status_rid, 1);
7231 for (i = 0;
7232 i < min(IW_MAX_AP, 4) &&
7233 (status_rid.bssid[i][0]
7234 & status_rid.bssid[i][1]
7235 & status_rid.bssid[i][2]
7236 & status_rid.bssid[i][3]
7237 & status_rid.bssid[i][4]
7238 & status_rid.bssid[i][5])!=0xff &&
7239 (status_rid.bssid[i][0]
7240 | status_rid.bssid[i][1]
7241 | status_rid.bssid[i][2]
7242 | status_rid.bssid[i][3]
7243 | status_rid.bssid[i][4]
7244 | status_rid.bssid[i][5]);
7245 i++) {
7246 memcpy(address[i].sa_data,
7247 status_rid.bssid[i], ETH_ALEN);
7248 address[i].sa_family = ARPHRD_ETHER;
7249 }
7250 } else {
7251 dwrq->flags = 1; /* Should be define'd */
7252 memcpy(extra + sizeof(struct sockaddr)*i,
7253 &qual, sizeof(struct iw_quality)*i);
7254 }
7255 dwrq->length = i;
7256
7257 kfree(qual);
7258 return 0;
7259 }
7260
7261 /*------------------------------------------------------------------*/
7262 /*
7263 * Wireless Handler : Initiate Scan
7264 */
7265 static int airo_set_scan(struct net_device *dev,
7266 struct iw_request_info *info,
7267 struct iw_point *dwrq,
7268 char *extra)
7269 {
7270 struct airo_info *ai = dev->ml_priv;
7271 Cmd cmd;
7272 Resp rsp;
7273 int wake = 0;
7274
7275 /* Note : you may have realised that, as this is a SET operation,
7276 * this is privileged and therefore a normal user can't
7277 * perform scanning.
7278 * This is not an error, while the device perform scanning,
7279 * traffic doesn't flow, so it's a perfect DoS...
7280 * Jean II */
7281 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7282
7283 if (down_interruptible(&ai->sem))
7284 return -ERESTARTSYS;
7285
7286 /* If there's already a scan in progress, don't
7287 * trigger another one. */
7288 if (ai->scan_timeout > 0)
7289 goto out;
7290
7291 /* Initiate a scan command */
7292 ai->scan_timeout = RUN_AT(3*HZ);
7293 memset(&cmd, 0, sizeof(cmd));
7294 cmd.cmd=CMD_LISTBSS;
7295 issuecommand(ai, &cmd, &rsp);
7296 wake = 1;
7297
7298 out:
7299 up(&ai->sem);
7300 if (wake)
7301 wake_up_interruptible(&ai->thr_wait);
7302 return 0;
7303 }
7304
7305 /*------------------------------------------------------------------*/
7306 /*
7307 * Translate scan data returned from the card to a card independent
7308 * format that the Wireless Tools will understand - Jean II
7309 */
7310 static inline char *airo_translate_scan(struct net_device *dev,
7311 struct iw_request_info *info,
7312 char *current_ev,
7313 char *end_buf,
7314 BSSListRid *bss)
7315 {
7316 struct airo_info *ai = dev->ml_priv;
7317 struct iw_event iwe; /* Temporary buffer */
7318 __le16 capabilities;
7319 char * current_val; /* For rates */
7320 int i;
7321 char * buf;
7322 u16 dBm;
7323
7324 /* First entry *MUST* be the AP MAC address */
7325 iwe.cmd = SIOCGIWAP;
7326 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7327 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7328 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7329 &iwe, IW_EV_ADDR_LEN);
7330
7331 /* Other entries will be displayed in the order we give them */
7332
7333 /* Add the ESSID */
7334 iwe.u.data.length = bss->ssidLen;
7335 if(iwe.u.data.length > 32)
7336 iwe.u.data.length = 32;
7337 iwe.cmd = SIOCGIWESSID;
7338 iwe.u.data.flags = 1;
7339 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7340 &iwe, bss->ssid);
7341
7342 /* Add mode */
7343 iwe.cmd = SIOCGIWMODE;
7344 capabilities = bss->cap;
7345 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7346 if(capabilities & CAP_ESS)
7347 iwe.u.mode = IW_MODE_MASTER;
7348 else
7349 iwe.u.mode = IW_MODE_ADHOC;
7350 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7351 &iwe, IW_EV_UINT_LEN);
7352 }
7353
7354 /* Add frequency */
7355 iwe.cmd = SIOCGIWFREQ;
7356 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7357 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7358 iwe.u.freq.e = 1;
7359 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7360 &iwe, IW_EV_FREQ_LEN);
7361
7362 dBm = le16_to_cpu(bss->dBm);
7363
7364 /* Add quality statistics */
7365 iwe.cmd = IWEVQUAL;
7366 if (ai->rssi) {
7367 iwe.u.qual.level = 0x100 - dBm;
7368 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7369 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7370 | IW_QUAL_LEVEL_UPDATED
7371 | IW_QUAL_DBM;
7372 } else {
7373 iwe.u.qual.level = (dBm + 321) / 2;
7374 iwe.u.qual.qual = 0;
7375 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7376 | IW_QUAL_LEVEL_UPDATED
7377 | IW_QUAL_DBM;
7378 }
7379 iwe.u.qual.noise = ai->wstats.qual.noise;
7380 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7381 &iwe, IW_EV_QUAL_LEN);
7382
7383 /* Add encryption capability */
7384 iwe.cmd = SIOCGIWENCODE;
7385 if(capabilities & CAP_PRIVACY)
7386 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7387 else
7388 iwe.u.data.flags = IW_ENCODE_DISABLED;
7389 iwe.u.data.length = 0;
7390 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7391 &iwe, bss->ssid);
7392
7393 /* Rate : stuffing multiple values in a single event require a bit
7394 * more of magic - Jean II */
7395 current_val = current_ev + iwe_stream_lcp_len(info);
7396
7397 iwe.cmd = SIOCGIWRATE;
7398 /* Those two flags are ignored... */
7399 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7400 /* Max 8 values */
7401 for(i = 0 ; i < 8 ; i++) {
7402 /* NULL terminated */
7403 if(bss->rates[i] == 0)
7404 break;
7405 /* Bit rate given in 500 kb/s units (+ 0x80) */
7406 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7407 /* Add new value to event */
7408 current_val = iwe_stream_add_value(info, current_ev,
7409 current_val, end_buf,
7410 &iwe, IW_EV_PARAM_LEN);
7411 }
7412 /* Check if we added any event */
7413 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7414 current_ev = current_val;
7415
7416 /* Beacon interval */
7417 buf = kmalloc(30, GFP_KERNEL);
7418 if (buf) {
7419 iwe.cmd = IWEVCUSTOM;
7420 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7421 iwe.u.data.length = strlen(buf);
7422 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7423 &iwe, buf);
7424 kfree(buf);
7425 }
7426
7427 /* Put WPA/RSN Information Elements into the event stream */
7428 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7429 unsigned int num_null_ies = 0;
7430 u16 length = sizeof (bss->extra.iep);
7431 u8 *ie = (void *)&bss->extra.iep;
7432
7433 while ((length >= 2) && (num_null_ies < 2)) {
7434 if (2 + ie[1] > length) {
7435 /* Invalid element, don't continue parsing IE */
7436 break;
7437 }
7438
7439 switch (ie[0]) {
7440 case WLAN_EID_SSID:
7441 /* Two zero-length SSID elements
7442 * mean we're done parsing elements */
7443 if (!ie[1])
7444 num_null_ies++;
7445 break;
7446
7447 case WLAN_EID_GENERIC:
7448 if (ie[1] >= 4 &&
7449 ie[2] == 0x00 &&
7450 ie[3] == 0x50 &&
7451 ie[4] == 0xf2 &&
7452 ie[5] == 0x01) {
7453 iwe.cmd = IWEVGENIE;
7454 /* 64 is an arbitrary cut-off */
7455 iwe.u.data.length = min(ie[1] + 2,
7456 64);
7457 current_ev = iwe_stream_add_point(
7458 info, current_ev,
7459 end_buf, &iwe, ie);
7460 }
7461 break;
7462
7463 case WLAN_EID_RSN:
7464 iwe.cmd = IWEVGENIE;
7465 /* 64 is an arbitrary cut-off */
7466 iwe.u.data.length = min(ie[1] + 2, 64);
7467 current_ev = iwe_stream_add_point(
7468 info, current_ev, end_buf,
7469 &iwe, ie);
7470 break;
7471
7472 default:
7473 break;
7474 }
7475
7476 length -= 2 + ie[1];
7477 ie += 2 + ie[1];
7478 }
7479 }
7480 return current_ev;
7481 }
7482
7483 /*------------------------------------------------------------------*/
7484 /*
7485 * Wireless Handler : Read Scan Results
7486 */
7487 static int airo_get_scan(struct net_device *dev,
7488 struct iw_request_info *info,
7489 struct iw_point *dwrq,
7490 char *extra)
7491 {
7492 struct airo_info *ai = dev->ml_priv;
7493 BSSListElement *net;
7494 int err = 0;
7495 char *current_ev = extra;
7496
7497 /* If a scan is in-progress, return -EAGAIN */
7498 if (ai->scan_timeout > 0)
7499 return -EAGAIN;
7500
7501 if (down_interruptible(&ai->sem))
7502 return -EAGAIN;
7503
7504 list_for_each_entry (net, &ai->network_list, list) {
7505 /* Translate to WE format this entry */
7506 current_ev = airo_translate_scan(dev, info, current_ev,
7507 extra + dwrq->length,
7508 &net->bss);
7509
7510 /* Check if there is space for one more entry */
7511 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7512 /* Ask user space to try again with a bigger buffer */
7513 err = -E2BIG;
7514 goto out;
7515 }
7516 }
7517
7518 /* Length of data */
7519 dwrq->length = (current_ev - extra);
7520 dwrq->flags = 0; /* todo */
7521
7522 out:
7523 up(&ai->sem);
7524 return err;
7525 }
7526
7527 /*------------------------------------------------------------------*/
7528 /*
7529 * Commit handler : called after a bunch of SET operations
7530 */
7531 static int airo_config_commit(struct net_device *dev,
7532 struct iw_request_info *info, /* NULL */
7533 void *zwrq, /* NULL */
7534 char *extra) /* NULL */
7535 {
7536 struct airo_info *local = dev->ml_priv;
7537
7538 if (!test_bit (FLAG_COMMIT, &local->flags))
7539 return 0;
7540
7541 /* Some of the "SET" function may have modified some of the
7542 * parameters. It's now time to commit them in the card */
7543 disable_MAC(local, 1);
7544 if (test_bit (FLAG_RESET, &local->flags)) {
7545 APListRid APList_rid;
7546 SsidRid SSID_rid;
7547
7548 readAPListRid(local, &APList_rid);
7549 readSsidRid(local, &SSID_rid);
7550 if (test_bit(FLAG_MPI,&local->flags))
7551 setup_card(local, dev->dev_addr, 1 );
7552 else
7553 reset_airo_card(dev);
7554 disable_MAC(local, 1);
7555 writeSsidRid(local, &SSID_rid, 1);
7556 writeAPListRid(local, &APList_rid, 1);
7557 }
7558 if (down_interruptible(&local->sem))
7559 return -ERESTARTSYS;
7560 writeConfigRid(local, 0);
7561 enable_MAC(local, 0);
7562 if (test_bit (FLAG_RESET, &local->flags))
7563 airo_set_promisc(local);
7564 else
7565 up(&local->sem);
7566
7567 return 0;
7568 }
7569
7570 /*------------------------------------------------------------------*/
7571 /*
7572 * Structures to export the Wireless Handlers
7573 */
7574
7575 static const struct iw_priv_args airo_private_args[] = {
7576 /*{ cmd, set_args, get_args, name } */
7577 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7578 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7579 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7580 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7581 };
7582
7583 static const iw_handler airo_handler[] =
7584 {
7585 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7586 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7587 (iw_handler) NULL, /* SIOCSIWNWID */
7588 (iw_handler) NULL, /* SIOCGIWNWID */
7589 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7590 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7591 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7592 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7593 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7594 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7595 (iw_handler) NULL, /* SIOCSIWRANGE */
7596 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7597 (iw_handler) NULL, /* SIOCSIWPRIV */
7598 (iw_handler) NULL, /* SIOCGIWPRIV */
7599 (iw_handler) NULL, /* SIOCSIWSTATS */
7600 (iw_handler) NULL, /* SIOCGIWSTATS */
7601 iw_handler_set_spy, /* SIOCSIWSPY */
7602 iw_handler_get_spy, /* SIOCGIWSPY */
7603 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7604 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7605 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7606 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7607 (iw_handler) NULL, /* -- hole -- */
7608 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7609 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7610 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7611 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7612 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7613 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7614 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7615 (iw_handler) NULL, /* -- hole -- */
7616 (iw_handler) NULL, /* -- hole -- */
7617 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7618 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7619 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7620 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7621 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7622 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7623 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7624 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7625 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7626 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7627 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7628 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7629 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7630 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7631 (iw_handler) NULL, /* -- hole -- */
7632 (iw_handler) NULL, /* -- hole -- */
7633 (iw_handler) NULL, /* SIOCSIWGENIE */
7634 (iw_handler) NULL, /* SIOCGIWGENIE */
7635 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7636 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7637 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7638 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7639 (iw_handler) NULL, /* SIOCSIWPMKSA */
7640 };
7641
7642 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7643 * We want to force the use of the ioctl code, because those can't be
7644 * won't work the iw_handler code (because they simultaneously read
7645 * and write data and iw_handler can't do that).
7646 * Note that it's perfectly legal to read/write on a single ioctl command,
7647 * you just can't use iwpriv and need to force it via the ioctl handler.
7648 * Jean II */
7649 static const iw_handler airo_private_handler[] =
7650 {
7651 NULL, /* SIOCIWFIRSTPRIV */
7652 };
7653
7654 static const struct iw_handler_def airo_handler_def =
7655 {
7656 .num_standard = ARRAY_SIZE(airo_handler),
7657 .num_private = ARRAY_SIZE(airo_private_handler),
7658 .num_private_args = ARRAY_SIZE(airo_private_args),
7659 .standard = airo_handler,
7660 .private = airo_private_handler,
7661 .private_args = airo_private_args,
7662 .get_wireless_stats = airo_get_wireless_stats,
7663 };
7664
7665 /*
7666 * This defines the configuration part of the Wireless Extensions
7667 * Note : irq and spinlock protection will occur in the subroutines
7668 *
7669 * TODO :
7670 * o Check input value more carefully and fill correct values in range
7671 * o Test and shakeout the bugs (if any)
7672 *
7673 * Jean II
7674 *
7675 * Javier Achirica did a great job of merging code from the unnamed CISCO
7676 * developer that added support for flashing the card.
7677 */
7678 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7679 {
7680 int rc = 0;
7681 struct airo_info *ai = dev->ml_priv;
7682
7683 if (ai->power.event)
7684 return 0;
7685
7686 switch (cmd) {
7687 #ifdef CISCO_EXT
7688 case AIROIDIFC:
7689 #ifdef AIROOLDIDIFC
7690 case AIROOLDIDIFC:
7691 #endif
7692 {
7693 int val = AIROMAGIC;
7694 aironet_ioctl com;
7695 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7696 rc = -EFAULT;
7697 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7698 rc = -EFAULT;
7699 }
7700 break;
7701
7702 case AIROIOCTL:
7703 #ifdef AIROOLDIOCTL
7704 case AIROOLDIOCTL:
7705 #endif
7706 /* Get the command struct and hand it off for evaluation by
7707 * the proper subfunction
7708 */
7709 {
7710 aironet_ioctl com;
7711 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7712 rc = -EFAULT;
7713 break;
7714 }
7715
7716 /* Separate R/W functions bracket legality here
7717 */
7718 if ( com.command == AIRORSWVERSION ) {
7719 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7720 rc = -EFAULT;
7721 else
7722 rc = 0;
7723 }
7724 else if ( com.command <= AIRORRID)
7725 rc = readrids(dev,&com);
7726 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7727 rc = writerids(dev,&com);
7728 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7729 rc = flashcard(dev,&com);
7730 else
7731 rc = -EINVAL; /* Bad command in ioctl */
7732 }
7733 break;
7734 #endif /* CISCO_EXT */
7735
7736 // All other calls are currently unsupported
7737 default:
7738 rc = -EOPNOTSUPP;
7739 }
7740 return rc;
7741 }
7742
7743 /*
7744 * Get the Wireless stats out of the driver
7745 * Note : irq and spinlock protection will occur in the subroutines
7746 *
7747 * TODO :
7748 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7749 *
7750 * Jean
7751 */
7752 static void airo_read_wireless_stats(struct airo_info *local)
7753 {
7754 StatusRid status_rid;
7755 StatsRid stats_rid;
7756 CapabilityRid cap_rid;
7757 __le32 *vals = stats_rid.vals;
7758
7759 /* Get stats out of the card */
7760 clear_bit(JOB_WSTATS, &local->jobs);
7761 if (local->power.event) {
7762 up(&local->sem);
7763 return;
7764 }
7765 readCapabilityRid(local, &cap_rid, 0);
7766 readStatusRid(local, &status_rid, 0);
7767 readStatsRid(local, &stats_rid, RID_STATS, 0);
7768 up(&local->sem);
7769
7770 /* The status */
7771 local->wstats.status = le16_to_cpu(status_rid.mode);
7772
7773 /* Signal quality and co */
7774 if (local->rssi) {
7775 local->wstats.qual.level =
7776 airo_rssi_to_dbm(local->rssi,
7777 le16_to_cpu(status_rid.sigQuality));
7778 /* normalizedSignalStrength appears to be a percentage */
7779 local->wstats.qual.qual =
7780 le16_to_cpu(status_rid.normalizedSignalStrength);
7781 } else {
7782 local->wstats.qual.level =
7783 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7784 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7785 }
7786 if (le16_to_cpu(status_rid.len) >= 124) {
7787 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7788 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7789 } else {
7790 local->wstats.qual.noise = 0;
7791 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7792 }
7793
7794 /* Packets discarded in the wireless adapter due to wireless
7795 * specific problems */
7796 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7797 le32_to_cpu(vals[57]) +
7798 le32_to_cpu(vals[58]); /* SSID Mismatch */
7799 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7800 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7801 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7802 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7803 le32_to_cpu(vals[32]);
7804 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7805 }
7806
7807 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7808 {
7809 struct airo_info *local = dev->ml_priv;
7810
7811 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7812 /* Get stats out of the card if available */
7813 if (down_trylock(&local->sem) != 0) {
7814 set_bit(JOB_WSTATS, &local->jobs);
7815 wake_up_interruptible(&local->thr_wait);
7816 } else
7817 airo_read_wireless_stats(local);
7818 }
7819
7820 return &local->wstats;
7821 }
7822
7823 #ifdef CISCO_EXT
7824 /*
7825 * This just translates from driver IOCTL codes to the command codes to
7826 * feed to the radio's host interface. Things can be added/deleted
7827 * as needed. This represents the READ side of control I/O to
7828 * the card
7829 */
7830 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7831 unsigned short ridcode;
7832 unsigned char *iobuf;
7833 int len;
7834 struct airo_info *ai = dev->ml_priv;
7835
7836 if (test_bit(FLAG_FLASHING, &ai->flags))
7837 return -EIO;
7838
7839 switch(comp->command)
7840 {
7841 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7842 case AIROGCFG: ridcode = RID_CONFIG;
7843 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7844 disable_MAC (ai, 1);
7845 writeConfigRid (ai, 1);
7846 enable_MAC(ai, 1);
7847 }
7848 break;
7849 case AIROGSLIST: ridcode = RID_SSID; break;
7850 case AIROGVLIST: ridcode = RID_APLIST; break;
7851 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7852 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7853 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7854 /* Only super-user can read WEP keys */
7855 if (!capable(CAP_NET_ADMIN))
7856 return -EPERM;
7857 break;
7858 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7859 /* Only super-user can read WEP keys */
7860 if (!capable(CAP_NET_ADMIN))
7861 return -EPERM;
7862 break;
7863 case AIROGSTAT: ridcode = RID_STATUS; break;
7864 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7865 case AIROGSTATSC32: ridcode = RID_STATS; break;
7866 case AIROGMICSTATS:
7867 if (copy_to_user(comp->data, &ai->micstats,
7868 min((int)comp->len,(int)sizeof(ai->micstats))))
7869 return -EFAULT;
7870 return 0;
7871 case AIRORRID: ridcode = comp->ridnum; break;
7872 default:
7873 return -EINVAL;
7874 break;
7875 }
7876
7877 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7878 return -ENOMEM;
7879
7880 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7881 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7882 * then return it to the user
7883 * 9/22/2000 Honor user given length
7884 */
7885 len = comp->len;
7886
7887 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7888 kfree (iobuf);
7889 return -EFAULT;
7890 }
7891 kfree (iobuf);
7892 return 0;
7893 }
7894
7895 /*
7896 * Danger Will Robinson write the rids here
7897 */
7898
7899 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7900 struct airo_info *ai = dev->ml_priv;
7901 int ridcode;
7902 int enabled;
7903 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7904 unsigned char *iobuf;
7905
7906 /* Only super-user can write RIDs */
7907 if (!capable(CAP_NET_ADMIN))
7908 return -EPERM;
7909
7910 if (test_bit(FLAG_FLASHING, &ai->flags))
7911 return -EIO;
7912
7913 ridcode = 0;
7914 writer = do_writerid;
7915
7916 switch(comp->command)
7917 {
7918 case AIROPSIDS: ridcode = RID_SSID; break;
7919 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7920 case AIROPAPLIST: ridcode = RID_APLIST; break;
7921 case AIROPCFG: ai->config.len = 0;
7922 clear_bit(FLAG_COMMIT, &ai->flags);
7923 ridcode = RID_CONFIG; break;
7924 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7925 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7926 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7927 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7928 break;
7929 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7930 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7931
7932 /* this is not really a rid but a command given to the card
7933 * same with MAC off
7934 */
7935 case AIROPMACON:
7936 if (enable_MAC(ai, 1) != 0)
7937 return -EIO;
7938 return 0;
7939
7940 /*
7941 * Evidently this code in the airo driver does not get a symbol
7942 * as disable_MAC. it's probably so short the compiler does not gen one.
7943 */
7944 case AIROPMACOFF:
7945 disable_MAC(ai, 1);
7946 return 0;
7947
7948 /* This command merely clears the counts does not actually store any data
7949 * only reads rid. But as it changes the cards state, I put it in the
7950 * writerid routines.
7951 */
7952 case AIROPSTCLR:
7953 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7954 return -ENOMEM;
7955
7956 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7957
7958 enabled = ai->micstats.enabled;
7959 memset(&ai->micstats,0,sizeof(ai->micstats));
7960 ai->micstats.enabled = enabled;
7961
7962 if (copy_to_user(comp->data, iobuf,
7963 min((int)comp->len, (int)RIDSIZE))) {
7964 kfree (iobuf);
7965 return -EFAULT;
7966 }
7967 kfree (iobuf);
7968 return 0;
7969
7970 default:
7971 return -EOPNOTSUPP; /* Blarg! */
7972 }
7973 if(comp->len > RIDSIZE)
7974 return -EINVAL;
7975
7976 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7977 return -ENOMEM;
7978
7979 if (copy_from_user(iobuf,comp->data,comp->len)) {
7980 kfree (iobuf);
7981 return -EFAULT;
7982 }
7983
7984 if (comp->command == AIROPCFG) {
7985 ConfigRid *cfg = (ConfigRid *)iobuf;
7986
7987 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7988 cfg->opmode |= MODE_MIC;
7989
7990 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7991 set_bit (FLAG_ADHOC, &ai->flags);
7992 else
7993 clear_bit (FLAG_ADHOC, &ai->flags);
7994 }
7995
7996 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7997 kfree (iobuf);
7998 return -EIO;
7999 }
8000 kfree (iobuf);
8001 return 0;
8002 }
8003
8004 /*****************************************************************************
8005 * Ancillary flash / mod functions much black magic lurkes here *
8006 *****************************************************************************
8007 */
8008
8009 /*
8010 * Flash command switch table
8011 */
8012
8013 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8014 int z;
8015
8016 /* Only super-user can modify flash */
8017 if (!capable(CAP_NET_ADMIN))
8018 return -EPERM;
8019
8020 switch(comp->command)
8021 {
8022 case AIROFLSHRST:
8023 return cmdreset((struct airo_info *)dev->ml_priv);
8024
8025 case AIROFLSHSTFL:
8026 if (!AIRO_FLASH(dev) &&
8027 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8028 return -ENOMEM;
8029 return setflashmode((struct airo_info *)dev->ml_priv);
8030
8031 case AIROFLSHGCHR: /* Get char from aux */
8032 if(comp->len != sizeof(int))
8033 return -EINVAL;
8034 if (copy_from_user(&z,comp->data,comp->len))
8035 return -EFAULT;
8036 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8037
8038 case AIROFLSHPCHR: /* Send char to card. */
8039 if(comp->len != sizeof(int))
8040 return -EINVAL;
8041 if (copy_from_user(&z,comp->data,comp->len))
8042 return -EFAULT;
8043 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8044
8045 case AIROFLPUTBUF: /* Send 32k to card */
8046 if (!AIRO_FLASH(dev))
8047 return -ENOMEM;
8048 if(comp->len > FLASHSIZE)
8049 return -EINVAL;
8050 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8051 return -EFAULT;
8052
8053 flashputbuf((struct airo_info *)dev->ml_priv);
8054 return 0;
8055
8056 case AIRORESTART:
8057 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8058 return -EIO;
8059 return 0;
8060 }
8061 return -EINVAL;
8062 }
8063
8064 #define FLASH_COMMAND 0x7e7e
8065
8066 /*
8067 * STEP 1)
8068 * Disable MAC and do soft reset on
8069 * card.
8070 */
8071
8072 static int cmdreset(struct airo_info *ai) {
8073 disable_MAC(ai, 1);
8074
8075 if(!waitbusy (ai)){
8076 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8077 return -EBUSY;
8078 }
8079
8080 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8081
8082 ssleep(1); /* WAS 600 12/7/00 */
8083
8084 if(!waitbusy (ai)){
8085 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8086 return -EBUSY;
8087 }
8088 return 0;
8089 }
8090
8091 /* STEP 2)
8092 * Put the card in legendary flash
8093 * mode
8094 */
8095
8096 static int setflashmode (struct airo_info *ai) {
8097 set_bit (FLAG_FLASHING, &ai->flags);
8098
8099 OUT4500(ai, SWS0, FLASH_COMMAND);
8100 OUT4500(ai, SWS1, FLASH_COMMAND);
8101 if (probe) {
8102 OUT4500(ai, SWS0, FLASH_COMMAND);
8103 OUT4500(ai, COMMAND,0x10);
8104 } else {
8105 OUT4500(ai, SWS2, FLASH_COMMAND);
8106 OUT4500(ai, SWS3, FLASH_COMMAND);
8107 OUT4500(ai, COMMAND,0);
8108 }
8109 msleep(500); /* 500ms delay */
8110
8111 if(!waitbusy(ai)) {
8112 clear_bit (FLAG_FLASHING, &ai->flags);
8113 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8114 return -EIO;
8115 }
8116 return 0;
8117 }
8118
8119 /* Put character to SWS0 wait for dwelltime
8120 * x 50us for echo .
8121 */
8122
8123 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8124 int echo;
8125 int waittime;
8126
8127 byte |= 0x8000;
8128
8129 if(dwelltime == 0 )
8130 dwelltime = 200;
8131
8132 waittime=dwelltime;
8133
8134 /* Wait for busy bit d15 to go false indicating buffer empty */
8135 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8136 udelay (50);
8137 waittime -= 50;
8138 }
8139
8140 /* timeout for busy clear wait */
8141 if(waittime <= 0 ){
8142 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8143 return -EBUSY;
8144 }
8145
8146 /* Port is clear now write byte and wait for it to echo back */
8147 do {
8148 OUT4500(ai,SWS0,byte);
8149 udelay(50);
8150 dwelltime -= 50;
8151 echo = IN4500(ai,SWS1);
8152 } while (dwelltime >= 0 && echo != byte);
8153
8154 OUT4500(ai,SWS1,0);
8155
8156 return (echo == byte) ? 0 : -EIO;
8157 }
8158
8159 /*
8160 * Get a character from the card matching matchbyte
8161 * Step 3)
8162 */
8163 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8164 int rchar;
8165 unsigned char rbyte=0;
8166
8167 do {
8168 rchar = IN4500(ai,SWS1);
8169
8170 if(dwelltime && !(0x8000 & rchar)){
8171 dwelltime -= 10;
8172 mdelay(10);
8173 continue;
8174 }
8175 rbyte = 0xff & rchar;
8176
8177 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8178 OUT4500(ai,SWS1,0);
8179 return 0;
8180 }
8181 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8182 break;
8183 OUT4500(ai,SWS1,0);
8184
8185 }while(dwelltime > 0);
8186 return -EIO;
8187 }
8188
8189 /*
8190 * Transfer 32k of firmware data from user buffer to our buffer and
8191 * send to the card
8192 */
8193
8194 static int flashputbuf(struct airo_info *ai){
8195 int nwords;
8196
8197 /* Write stuff */
8198 if (test_bit(FLAG_MPI,&ai->flags))
8199 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8200 else {
8201 OUT4500(ai,AUXPAGE,0x100);
8202 OUT4500(ai,AUXOFF,0);
8203
8204 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8205 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8206 }
8207 }
8208 OUT4500(ai,SWS0,0x8000);
8209
8210 return 0;
8211 }
8212
8213 /*
8214 *
8215 */
8216 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8217 int i,status;
8218
8219 ssleep(1); /* Added 12/7/00 */
8220 clear_bit (FLAG_FLASHING, &ai->flags);
8221 if (test_bit(FLAG_MPI, &ai->flags)) {
8222 status = mpi_init_descriptors(ai);
8223 if (status != SUCCESS)
8224 return status;
8225 }
8226 status = setup_card(ai, dev->dev_addr, 1);
8227
8228 if (!test_bit(FLAG_MPI,&ai->flags))
8229 for( i = 0; i < MAX_FIDS; i++ ) {
8230 ai->fids[i] = transmit_allocate
8231 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8232 }
8233
8234 ssleep(1); /* Added 12/7/00 */
8235 return status;
8236 }
8237 #endif /* CISCO_EXT */
8238
8239 /*
8240 This program is free software; you can redistribute it and/or
8241 modify it under the terms of the GNU General Public License
8242 as published by the Free Software Foundation; either version 2
8243 of the License, or (at your option) any later version.
8244
8245 This program is distributed in the hope that it will be useful,
8246 but WITHOUT ANY WARRANTY; without even the implied warranty of
8247 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8248 GNU General Public License for more details.
8249
8250 In addition:
8251
8252 Redistribution and use in source and binary forms, with or without
8253 modification, are permitted provided that the following conditions
8254 are met:
8255
8256 1. Redistributions of source code must retain the above copyright
8257 notice, this list of conditions and the following disclaimer.
8258 2. Redistributions in binary form must reproduce the above copyright
8259 notice, this list of conditions and the following disclaimer in the
8260 documentation and/or other materials provided with the distribution.
8261 3. The name of the author may not be used to endorse or promote
8262 products derived from this software without specific prior written
8263 permission.
8264
8265 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8266 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8267 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8268 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8269 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8270 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8271 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8272 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8273 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8274 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8275 POSSIBILITY OF SUCH DAMAGE.
8276 */
8277
8278 module_init(airo_init_module);
8279 module_exit(airo_cleanup_module);
Linus' kernel tree