?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
llseek: automatically add .llseek fop
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / airo.c
blobce77575e88b3182b0ad06592ba391488d5ca228f
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 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 int basic_rate;
221 static char *ssids[3];
222
223 static int io[4];
224 static int irq[4];
225
226 static
227 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
229
230 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
233 static int adhoc;
234
235 static int probe = 1;
236
237 static int proc_uid /* = 0 */;
238
239 static int proc_gid /* = 0 */;
240
241 static int airo_perm = 0555;
242
243 static int proc_perm = 0644;
244
245 MODULE_AUTHOR("Benjamin Reed");
246 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
247 cards. Direct support for ISA/PCI/MPI cards and support \
248 for PCMCIA when used with airo_cs.");
249 MODULE_LICENSE("Dual BSD/GPL");
250 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
251 module_param_array(io, int, NULL, 0);
252 module_param_array(irq, int, NULL, 0);
253 module_param(basic_rate, int, 0);
254 module_param_array(rates, int, NULL, 0);
255 module_param_array(ssids, charp, NULL, 0);
256 module_param(auto_wep, int, 0);
257 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
258 the authentication options until an association is made. The value of \
259 auto_wep is number of the wep keys to check. A value of 2 will try using \
260 the key at index 0 and index 1.");
261 module_param(aux_bap, int, 0);
262 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
263 than seems to work better for older cards with some older buses. Before \
264 switching it checks that the switch is needed.");
265 module_param(maxencrypt, int, 0);
266 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
267 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
268 Older cards used to be limited to 2mbs (4).");
269 module_param(adhoc, int, 0);
270 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271 module_param(probe, int, 0);
272 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273
274 module_param(proc_uid, int, 0);
275 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276 module_param(proc_gid, int, 0);
277 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278 module_param(airo_perm, int, 0);
279 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280 module_param(proc_perm, int, 0);
281 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282
283 /* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
286 static int do8bitIO /* = 0 */;
287
288 /* Return codes */
289 #define SUCCESS 0
290 #define ERROR -1
291 #define NO_PACKET -2
292
293 /* Commands */
294 #define NOP2 0x0000
295 #define MAC_ENABLE 0x0001
296 #define MAC_DISABLE 0x0002
297 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298 #define CMD_SOFTRESET 0x0004
299 #define HOSTSLEEP 0x0005
300 #define CMD_MAGIC_PKT 0x0006
301 #define CMD_SETWAKEMASK 0x0007
302 #define CMD_READCFG 0x0008
303 #define CMD_SETMODE 0x0009
304 #define CMD_ALLOCATETX 0x000a
305 #define CMD_TRANSMIT 0x000b
306 #define CMD_DEALLOCATETX 0x000c
307 #define NOP 0x0010
308 #define CMD_WORKAROUND 0x0011
309 #define CMD_ALLOCATEAUX 0x0020
310 #define CMD_ACCESS 0x0021
311 #define CMD_PCIBAP 0x0022
312 #define CMD_PCIAUX 0x0023
313 #define CMD_ALLOCBUF 0x0028
314 #define CMD_GETTLV 0x0029
315 #define CMD_PUTTLV 0x002a
316 #define CMD_DELTLV 0x002b
317 #define CMD_FINDNEXTTLV 0x002c
318 #define CMD_PSPNODES 0x0030
319 #define CMD_SETCW 0x0031
320 #define CMD_SETPCF 0x0032
321 #define CMD_SETPHYREG 0x003e
322 #define CMD_TXTEST 0x003f
323 #define MAC_ENABLETX 0x0101
324 #define CMD_LISTBSS 0x0103
325 #define CMD_SAVECFG 0x0108
326 #define CMD_ENABLEAUX 0x0111
327 #define CMD_WRITERID 0x0121
328 #define CMD_USEPSPNODES 0x0130
329 #define MAC_ENABLERX 0x0201
330
331 /* Command errors */
332 #define ERROR_QUALIF 0x00
333 #define ERROR_ILLCMD 0x01
334 #define ERROR_ILLFMT 0x02
335 #define ERROR_INVFID 0x03
336 #define ERROR_INVRID 0x04
337 #define ERROR_LARGE 0x05
338 #define ERROR_NDISABL 0x06
339 #define ERROR_ALLOCBSY 0x07
340 #define ERROR_NORD 0x0B
341 #define ERROR_NOWR 0x0C
342 #define ERROR_INVFIDTX 0x0D
343 #define ERROR_TESTACT 0x0E
344 #define ERROR_TAGNFND 0x12
345 #define ERROR_DECODE 0x20
346 #define ERROR_DESCUNAV 0x21
347 #define ERROR_BADLEN 0x22
348 #define ERROR_MODE 0x80
349 #define ERROR_HOP 0x81
350 #define ERROR_BINTER 0x82
351 #define ERROR_RXMODE 0x83
352 #define ERROR_MACADDR 0x84
353 #define ERROR_RATES 0x85
354 #define ERROR_ORDER 0x86
355 #define ERROR_SCAN 0x87
356 #define ERROR_AUTH 0x88
357 #define ERROR_PSMODE 0x89
358 #define ERROR_RTYPE 0x8A
359 #define ERROR_DIVER 0x8B
360 #define ERROR_SSID 0x8C
361 #define ERROR_APLIST 0x8D
362 #define ERROR_AUTOWAKE 0x8E
363 #define ERROR_LEAP 0x8F
364
365 /* Registers */
366 #define COMMAND 0x00
367 #define PARAM0 0x02
368 #define PARAM1 0x04
369 #define PARAM2 0x06
370 #define STATUS 0x08
371 #define RESP0 0x0a
372 #define RESP1 0x0c
373 #define RESP2 0x0e
374 #define LINKSTAT 0x10
375 #define SELECT0 0x18
376 #define OFFSET0 0x1c
377 #define RXFID 0x20
378 #define TXALLOCFID 0x22
379 #define TXCOMPLFID 0x24
380 #define DATA0 0x36
381 #define EVSTAT 0x30
382 #define EVINTEN 0x32
383 #define EVACK 0x34
384 #define SWS0 0x28
385 #define SWS1 0x2a
386 #define SWS2 0x2c
387 #define SWS3 0x2e
388 #define AUXPAGE 0x3A
389 #define AUXOFF 0x3C
390 #define AUXDATA 0x3E
391
392 #define FID_TX 1
393 #define FID_RX 2
394 /* Offset into aux memory for descriptors */
395 #define AUX_OFFSET 0x800
396 /* Size of allocated packets */
397 #define PKTSIZE 1840
398 #define RIDSIZE 2048
399 /* Size of the transmit queue */
400 #define MAXTXQ 64
401
402 /* BAP selectors */
403 #define BAP0 0 /* Used for receiving packets */
404 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
405
406 /* Flags */
407 #define COMMAND_BUSY 0x8000
408
409 #define BAP_BUSY 0x8000
410 #define BAP_ERR 0x4000
411 #define BAP_DONE 0x2000
412
413 #define PROMISC 0xffff
414 #define NOPROMISC 0x0000
415
416 #define EV_CMD 0x10
417 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_RX 0x01
419 #define EV_TX 0x02
420 #define EV_TXEXC 0x04
421 #define EV_ALLOC 0x08
422 #define EV_LINK 0x80
423 #define EV_AWAKE 0x100
424 #define EV_TXCPY 0x400
425 #define EV_UNKNOWN 0x800
426 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427 #define EV_AWAKEN 0x2000
428 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429
430 #ifdef CHECK_UNKNOWN_INTS
431 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432 #else
433 #define IGNORE_INTS (~STATUS_INTS)
434 #endif
435
436 /* RID TYPES */
437 #define RID_RW 0x20
438
439 /* The RIDs */
440 #define RID_CAPABILITIES 0xFF00
441 #define RID_APINFO 0xFF01
442 #define RID_RADIOINFO 0xFF02
443 #define RID_UNKNOWN3 0xFF03
444 #define RID_RSSI 0xFF04
445 #define RID_CONFIG 0xFF10
446 #define RID_SSID 0xFF11
447 #define RID_APLIST 0xFF12
448 #define RID_DRVNAME 0xFF13
449 #define RID_ETHERENCAP 0xFF14
450 #define RID_WEP_TEMP 0xFF15
451 #define RID_WEP_PERM 0xFF16
452 #define RID_MODULATION 0xFF17
453 #define RID_OPTIONS 0xFF18
454 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455 #define RID_FACTORYCONFIG 0xFF21
456 #define RID_UNKNOWN22 0xFF22
457 #define RID_LEAPUSERNAME 0xFF23
458 #define RID_LEAPPASSWORD 0xFF24
459 #define RID_STATUS 0xFF50
460 #define RID_BEACON_HST 0xFF51
461 #define RID_BUSY_HST 0xFF52
462 #define RID_RETRIES_HST 0xFF53
463 #define RID_UNKNOWN54 0xFF54
464 #define RID_UNKNOWN55 0xFF55
465 #define RID_UNKNOWN56 0xFF56
466 #define RID_MIC 0xFF57
467 #define RID_STATS16 0xFF60
468 #define RID_STATS16DELTA 0xFF61
469 #define RID_STATS16DELTACLEAR 0xFF62
470 #define RID_STATS 0xFF68
471 #define RID_STATSDELTA 0xFF69
472 #define RID_STATSDELTACLEAR 0xFF6A
473 #define RID_ECHOTEST_RID 0xFF70
474 #define RID_ECHOTEST_RESULTS 0xFF71
475 #define RID_BSSLISTFIRST 0xFF72
476 #define RID_BSSLISTNEXT 0xFF73
477 #define RID_WPA_BSSLISTFIRST 0xFF74
478 #define RID_WPA_BSSLISTNEXT 0xFF75
479
480 typedef struct {
481 u16 cmd;
482 u16 parm0;
483 u16 parm1;
484 u16 parm2;
485 } Cmd;
486
487 typedef struct {
488 u16 status;
489 u16 rsp0;
490 u16 rsp1;
491 u16 rsp2;
492 } Resp;
493
494 /*
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
498 */
499
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502 typedef struct WepKeyRid WepKeyRid;
503 struct WepKeyRid {
504 __le16 len;
505 __le16 kindex;
506 u8 mac[ETH_ALEN];
507 __le16 klen;
508 u8 key[16];
509 } __packed;
510
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct Ssid Ssid;
513 struct Ssid {
514 __le16 len;
515 u8 ssid[32];
516 } __packed;
517
518 typedef struct SsidRid SsidRid;
519 struct SsidRid {
520 __le16 len;
521 Ssid ssids[3];
522 } __packed;
523
524 typedef struct ModulationRid ModulationRid;
525 struct ModulationRid {
526 __le16 len;
527 __le16 modulation;
528 #define MOD_DEFAULT cpu_to_le16(0)
529 #define MOD_CCK cpu_to_le16(1)
530 #define MOD_MOK cpu_to_le16(2)
531 } __packed;
532
533 typedef struct ConfigRid ConfigRid;
534 struct ConfigRid {
535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537 #define MODE_STA_IBSS cpu_to_le16(0)
538 #define MODE_STA_ESS cpu_to_le16(1)
539 #define MODE_AP cpu_to_le16(2)
540 #define MODE_AP_RPTR cpu_to_le16(3)
541 #define MODE_CFG_MASK cpu_to_le16(0xff)
542 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558 #define RXMODE_MASK cpu_to_le16(255)
559 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
562 __le16 fragThresh;
563 __le16 rtsThres;
564 u8 macAddr[ETH_ALEN];
565 u8 rates[8];
566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
570 __le16 stationary;
571 __le16 ordering;
572 __le16 u16deviceType; /* for overriding device type */
573 __le16 cfpRate;
574 __le16 cfpDuration;
575 __le16 _reserved1[3];
576 /*---------- Scanning/Associating ----------*/
577 __le16 scanMode;
578 #define SCANMODE_ACTIVE cpu_to_le16(0)
579 #define SCANMODE_PASSIVE cpu_to_le16(1)
580 #define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
586 __le16 authTimeout;
587 __le16 authType;
588 #define AUTH_OPEN cpu_to_le16(0x1)
589 #define AUTH_ENCRYPT cpu_to_le16(0x101)
590 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
591 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
601 /*---------- Power save operation ----------*/
602 __le16 powerSaveMode;
603 #define POWERSAVE_CAM cpu_to_le16(0)
604 #define POWERSAVE_PSP cpu_to_le16(1)
605 #define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
609 __le16 listenDecay;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
612 /*---------- Ap/Ibss config items ----------*/
613 __le16 beaconPeriod;
614 __le16 atimDuration;
615 __le16 hopPeriod;
616 __le16 channelSet;
617 __le16 channel;
618 __le16 dtimPeriod;
619 __le16 bridgeDistance;
620 __le16 radioID;
621 /*---------- Radio configuration ----------*/
622 __le16 radioType;
623 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
624 #define RADIOTYPE_802_11 cpu_to_le16(1)
625 #define RADIOTYPE_LEGACY cpu_to_le16(2)
626 u8 rxDiversity;
627 u8 txDiversity;
628 __le16 txPower;
629 #define TXPOWER_DEFAULT 0
630 __le16 rssiThreshold;
631 #define RSSI_DEFAULT 0
632 __le16 modulation;
633 #define PREAMBLE_AUTO cpu_to_le16(0)
634 #define PREAMBLE_LONG cpu_to_le16(1)
635 #define PREAMBLE_SHORT cpu_to_le16(2)
636 __le16 preamble;
637 __le16 homeProduct;
638 __le16 radioSpecific;
639 /*---------- Aironet Extensions ----------*/
640 u8 nodeName[16];
641 __le16 arlThreshold;
642 __le16 arlDecay;
643 __le16 arlDelay;
644 __le16 _reserved4[1];
645 /*---------- Aironet Extensions ----------*/
646 u8 magicAction;
647 #define MAGIC_ACTION_STSCHG 1
648 #define MAGIC_ACTION_RESUME 2
649 #define MAGIC_IGNORE_MCAST (1<<8)
650 #define MAGIC_IGNORE_BCAST (1<<9)
651 #define MAGIC_SWITCH_TO_PSP (0<<10)
652 #define MAGIC_STAY_IN_CAM (1<<10)
653 u8 magicControl;
654 __le16 autoWake;
655 } __packed;
656
657 typedef struct StatusRid StatusRid;
658 struct StatusRid {
659 __le16 len;
660 u8 mac[ETH_ALEN];
661 __le16 mode;
662 __le16 errorCode;
663 __le16 sigQuality;
664 __le16 SSIDlen;
665 char SSID[32];
666 char apName[16];
667 u8 bssid[4][ETH_ALEN];
668 __le16 beaconPeriod;
669 __le16 dimPeriod;
670 __le16 atimDuration;
671 __le16 hopPeriod;
672 __le16 channelSet;
673 __le16 channel;
674 __le16 hopsToBackbone;
675 __le16 apTotalLoad;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
683 u8 apIP[4];
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
690 __le16 load;
691 u8 carrier[4];
692 __le16 assocStatus;
693 #define STAT_NOPACKETS 0
694 #define STAT_NOCARRIERSET 10
695 #define STAT_GOTCARRIERSET 11
696 #define STAT_WRONGSSID 20
697 #define STAT_BADCHANNEL 25
698 #define STAT_BADBITRATES 30
699 #define STAT_BADPRIVACY 35
700 #define STAT_APFOUND 40
701 #define STAT_APREJECTED 50
702 #define STAT_AUTHENTICATING 60
703 #define STAT_DEAUTHENTICATED 61
704 #define STAT_AUTHTIMEOUT 62
705 #define STAT_ASSOCIATING 70
706 #define STAT_DEASSOCIATED 71
707 #define STAT_ASSOCTIMEOUT 72
708 #define STAT_NOTAIROAP 73
709 #define STAT_ASSOCIATED 80
710 #define STAT_LEAPING 90
711 #define STAT_LEAPFAILED 91
712 #define STAT_LEAPTIMEDOUT 92
713 #define STAT_LEAPCOMPLETE 93
714 } __packed;
715
716 typedef struct StatsRid StatsRid;
717 struct StatsRid {
718 __le16 len;
719 __le16 spacer;
720 __le32 vals[100];
721 } __packed;
722
723 typedef struct APListRid APListRid;
724 struct APListRid {
725 __le16 len;
726 u8 ap[4][ETH_ALEN];
727 } __packed;
728
729 typedef struct CapabilityRid CapabilityRid;
730 struct CapabilityRid {
731 __le16 len;
732 char oui[3];
733 char zero;
734 __le16 prodNum;
735 char manName[32];
736 char prodName[16];
737 char prodVer[8];
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
740 __le16 radioType;
741 __le16 country;
742 char callid[ETH_ALEN];
743 char supportedRates[8];
744 char rxDiversity;
745 char txDiversity;
746 __le16 txPowerLevels[8];
747 __le16 hardVer;
748 __le16 hardCap;
749 __le16 tempRange;
750 __le16 softVer;
751 __le16 softSubVer;
752 __le16 interfaceVer;
753 __le16 softCap;
754 __le16 bootBlockVer;
755 __le16 requiredHard;
756 __le16 extSoftCap;
757 } __packed;
758
759 /* Only present on firmware >= 5.30.17 */
760 typedef struct BSSListRidExtra BSSListRidExtra;
761 struct BSSListRidExtra {
762 __le16 unknown[4];
763 u8 fixed[12]; /* WLAN management frame */
764 u8 iep[624];
765 } __packed;
766
767 typedef struct BSSListRid BSSListRid;
768 struct BSSListRid {
769 __le16 len;
770 __le16 index; /* First is 0 and 0xffff means end of list */
771 #define RADIO_FH 1 /* Frequency hopping radio type */
772 #define RADIO_DS 2 /* Direct sequence radio type */
773 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
774 __le16 radioType;
775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
776 u8 zero;
777 u8 ssidLen;
778 u8 ssid[32];
779 __le16 dBm;
780 #define CAP_ESS cpu_to_le16(1<<0)
781 #define CAP_IBSS cpu_to_le16(1<<1)
782 #define CAP_PRIVACY cpu_to_le16(1<<4)
783 #define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 cap;
785 __le16 beaconInterval;
786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
788 __le16 dwell;
789 u8 hopSet;
790 u8 hopPattern;
791 u8 hopIndex;
792 u8 fill;
793 } fh;
794 __le16 dsChannel;
795 __le16 atimWindow;
796
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
799 } __packed;
800
801 typedef struct {
802 BSSListRid bss;
803 struct list_head list;
804 } BSSListElement;
805
806 typedef struct tdsRssiEntry tdsRssiEntry;
807 struct tdsRssiEntry {
808 u8 rssipct;
809 u8 rssidBm;
810 } __packed;
811
812 typedef struct tdsRssiRid tdsRssiRid;
813 struct tdsRssiRid {
814 u16 len;
815 tdsRssiEntry x[256];
816 } __packed;
817
818 typedef struct MICRid MICRid;
819 struct MICRid {
820 __le16 len;
821 __le16 state;
822 __le16 multicastValid;
823 u8 multicast[16];
824 __le16 unicastValid;
825 u8 unicast[16];
826 } __packed;
827
828 typedef struct MICBuffer MICBuffer;
829 struct MICBuffer {
830 __be16 typelen;
831
832 union {
833 u8 snap[8];
834 struct {
835 u8 dsap;
836 u8 ssap;
837 u8 control;
838 u8 orgcode[3];
839 u8 fieldtype[2];
840 } llc;
841 } u;
842 __be32 mic;
843 __be32 seq;
844 } __packed;
845
846 typedef struct {
847 u8 da[ETH_ALEN];
848 u8 sa[ETH_ALEN];
849 } etherHead;
850
851 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
852 #define TXCTL_TXEX (1<<2) /* report if tx fails */
853 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
854 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856 #define TXCTL_LLC (1<<4) /* payload is llc */
857 #define TXCTL_RELEASE (0<<5) /* release after completion */
858 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859
860 #define BUSY_FID 0x10000
861
862 #ifdef CISCO_EXT
863 #define AIROMAGIC 0xa55a
864 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865 #ifdef SIOCIWFIRSTPRIV
866 #ifdef SIOCDEVPRIVATE
867 #define AIROOLDIOCTL SIOCDEVPRIVATE
868 #define AIROOLDIDIFC AIROOLDIOCTL + 1
869 #endif /* SIOCDEVPRIVATE */
870 #else /* SIOCIWFIRSTPRIV */
871 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872 #endif /* SIOCIWFIRSTPRIV */
873 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877 #define AIROIOCTL SIOCIWFIRSTPRIV
878 #define AIROIDIFC AIROIOCTL + 1
879
880 /* Ioctl constants to be used in airo_ioctl.command */
881
882 #define AIROGCAP 0 // Capability rid
883 #define AIROGCFG 1 // USED A LOT
884 #define AIROGSLIST 2 // System ID list
885 #define AIROGVLIST 3 // List of specified AP's
886 #define AIROGDRVNAM 4 // NOTUSED
887 #define AIROGEHTENC 5 // NOTUSED
888 #define AIROGWEPKTMP 6
889 #define AIROGWEPKNV 7
890 #define AIROGSTAT 8
891 #define AIROGSTATSC32 9
892 #define AIROGSTATSD32 10
893 #define AIROGMICRID 11
894 #define AIROGMICSTATS 12
895 #define AIROGFLAGS 13
896 #define AIROGID 14
897 #define AIRORRID 15
898 #define AIRORSWVERSION 17
899
900 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
901
902 #define AIROPCAP AIROGSTATSD32 + 40
903 #define AIROPVLIST AIROPCAP + 1
904 #define AIROPSLIST AIROPVLIST + 1
905 #define AIROPCFG AIROPSLIST + 1
906 #define AIROPSIDS AIROPCFG + 1
907 #define AIROPAPLIST AIROPSIDS + 1
908 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910 #define AIROPSTCLR AIROPMACOFF + 1
911 #define AIROPWEPKEY AIROPSTCLR + 1
912 #define AIROPWEPKEYNV AIROPWEPKEY + 1
913 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
914 #define AIROPLEAPUSR AIROPLEAPPWD + 1
915
916 /* Flash codes */
917
918 #define AIROFLSHRST AIROPWEPKEYNV + 40
919 #define AIROFLSHGCHR AIROFLSHRST + 1
920 #define AIROFLSHSTFL AIROFLSHGCHR + 1
921 #define AIROFLSHPCHR AIROFLSHSTFL + 1
922 #define AIROFLPUTBUF AIROFLSHPCHR + 1
923 #define AIRORESTART AIROFLPUTBUF + 1
924
925 #define FLASHSIZE 32768
926 #define AUXMEMSIZE (256 * 1024)
927
928 typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
933 } aironet_ioctl;
934
935 static char swversion[] = "2.1";
936 #endif /* CISCO_EXT */
937
938 #define NUM_MODULES 2
939 #define MIC_MSGLEN_MAX 2400
940 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
941 #define AIRO_DEF_MTU 2312
942
943 typedef struct {
944 u32 size; // size
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
951 u32 reserve[32];
952 } mic_statistics;
953
954 typedef struct {
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
958 union {
959 u8 d8[4];
960 __be32 d32;
961 } part; // saves partial message word across update() calls
962 } emmh32_context;
963
964 typedef struct {
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
970 u8 key[16];
971 } miccntx;
972
973 typedef struct {
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
976 } mic_module;
977
978 typedef struct {
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983 } Rid;
984
985 typedef struct {
986 unsigned int offset: 15;
987 unsigned int eoc: 1;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
991 } TxFid;
992
993 struct rx_hdr {
994 __le16 status, len;
995 u8 rssi[2];
996 u8 rate;
997 u8 freq;
998 __le16 tmp[4];
999 } __packed;
1000
1001 typedef struct {
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1007 } RxFid;
1008
1009 /*
1010 * Host receive descriptor
1011 */
1012 typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 desc */
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 int pending;
1019 } HostRxDesc;
1020
1021 /*
1022 * Host transmit descriptor
1023 */
1024 typedef struct {
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 desc */
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1029 buffer */
1030 int pending;
1031 } HostTxDesc;
1032
1033 /*
1034 * Host RID descriptor
1035 */
1036 typedef struct {
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 descriptor */
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1041 buffer */
1042 } HostRidDesc;
1043
1044 typedef struct {
1045 u16 sw0;
1046 u16 sw1;
1047 u16 status;
1048 u16 len;
1049 #define HOST_SET (1 << 0)
1050 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056 #define HOST_RTS (1 << 9) /* Force RTS use */
1057 #define HOST_SHORT (1 << 10) /* Do short preamble */
1058 u16 ctl;
1059 u16 aid;
1060 u16 retries;
1061 u16 fill;
1062 } TxCtlHdr;
1063
1064 typedef struct {
1065 u16 ctl;
1066 u16 duration;
1067 char addr1[6];
1068 char addr2[6];
1069 char addr3[6];
1070 u16 seq;
1071 char addr4[6];
1072 } WifiHdr;
1073
1074
1075 typedef struct {
1076 TxCtlHdr ctlhdr;
1077 u16 fill1;
1078 u16 fill2;
1079 WifiHdr wifihdr;
1080 u16 gaplen;
1081 u16 status;
1082 } WifiCtlHdr;
1083
1084 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctlhdr = {
1086 .ctl = HOST_DONT_RLSE,
1087 }
1088 };
1089
1090 // A few details needed for WEP (Wireless Equivalent Privacy)
1091 #define MAX_KEY_SIZE 13 // 128 (?) bits
1092 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093 typedef struct wep_key_t {
1094 u16 len;
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1096 } wep_key_t;
1097
1098 /* List of Wireless Handlers (new API) */
1099 static const struct iw_handler_def airo_handler_def;
1100
1101 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1102
1103 struct airo_info;
1104
1105 static int get_dec_u16( char *buffer, int *start, int limit );
1106 static void OUT4500( struct airo_info *, u16 register, u16 value );
1107 static unsigned short IN4500( struct airo_info *, u16 register );
1108 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1109 static int enable_MAC(struct airo_info *ai, int lock);
1110 static void disable_MAC(struct airo_info *ai, int lock);
1111 static void enable_interrupts(struct airo_info*);
1112 static void disable_interrupts(struct airo_info*);
1113 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1115 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 int whichbap);
1117 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 int whichbap);
1119 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 int whichbap);
1121 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130
1131 static int mpi_send_packet (struct net_device *dev);
1132 static void mpi_unmap_card(struct pci_dev *pci);
1133 static void mpi_receive_802_3(struct airo_info *ai);
1134 static void mpi_receive_802_11(struct airo_info *ai);
1135 static int waitbusy (struct airo_info *ai);
1136
1137 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1138 static int airo_thread(void *data);
1139 static void timer_func( struct net_device *dev );
1140 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1141 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1142 static void airo_read_wireless_stats (struct airo_info *local);
1143 #ifdef CISCO_EXT
1144 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1146 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1147 #endif /* CISCO_EXT */
1148 static void micinit(struct airo_info *ai);
1149 static int micsetup(struct airo_info *ai);
1150 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152
1153 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155
1156 static void airo_networks_free(struct airo_info *ai);
1157
1158 struct airo_info {
1159 struct net_device *dev;
1160 struct list_head dev_list;
1161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1163 #define MAX_FIDS 6
1164 #define MPI_MAX_FIDS 1
1165 u32 fids[MAX_FIDS];
1166 ConfigRid config;
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
1171 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173 #define FLAG_RADIO_MASK 0x03
1174 #define FLAG_ENABLED 2
1175 #define FLAG_ADHOC 3 /* Needed by MIC */
1176 #define FLAG_MIC_CAPABLE 4
1177 #define FLAG_UPDATE_MULTI 5
1178 #define FLAG_UPDATE_UNI 6
1179 #define FLAG_802_11 7
1180 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1181 #define FLAG_PENDING_XMIT 9
1182 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_MPI 11
1184 #define FLAG_REGISTERED 12
1185 #define FLAG_COMMIT 13
1186 #define FLAG_RESET 14
1187 #define FLAG_FLASHING 15
1188 #define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1190 #define JOB_DIE 0
1191 #define JOB_XMIT 1
1192 #define JOB_XMIT11 2
1193 #define JOB_STATS 3
1194 #define JOB_PROMISC 4
1195 #define JOB_MIC 5
1196 #define JOB_EVENT 6
1197 #define JOB_AUTOWEP 7
1198 #define JOB_WSTATS 8
1199 #define JOB_SCAN_RESULTS 9
1200 unsigned long jobs;
1201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 int whichbap);
1203 unsigned short *flash;
1204 tdsRssiEntry *rssi;
1205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
1207 struct semaphore sem;
1208 wait_queue_head_t thr_wait;
1209 unsigned long expires;
1210 struct {
1211 struct sk_buff *skb;
1212 int fid;
1213 } xmit, xmit11;
1214 struct net_device *wifidev;
1215 struct iw_statistics wstats; // wireless stats
1216 unsigned long scan_timeout; /* Time scan should be read */
1217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
1219 /* MIC stuff */
1220 struct crypto_cipher *tfm;
1221 mic_module mod[2];
1222 mic_statistics micstats;
1223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
1233 pm_message_t power;
1234 SsidRid *SSID;
1235 APListRid *APList;
1236 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
1238
1239 int wep_capable;
1240 int max_wep_idx;
1241
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1246
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1250 };
1251
1252 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1254 {
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1256 }
1257
1258 static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260 static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1262
1263 static int cmdreset(struct airo_info *ai);
1264 static int setflashmode (struct airo_info *ai);
1265 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266 static int flashputbuf(struct airo_info *ai);
1267 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268
1269 #define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1271
1272 #define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1274
1275 #define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1277
1278 #define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1280
1281 #define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1283
1284 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1285
1286 /***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1289 */
1290
1291 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292 static void MoveWindow(miccntx *context, u32 micSeq);
1293 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295 static void emmh32_init(emmh32_context *context);
1296 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1299
1300 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1302 {
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1305 */
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1308
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1311
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1318
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1321 }
1322
1323 /* micinit - Initialize mic seed */
1324
1325 static void micinit(struct airo_info *ai)
1326 {
1327 MICRid mic_rid;
1328
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1332
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1337 */
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1340 return;
1341 }
1342
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1347 }
1348
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
1353 }
1354 }
1355
1356 /* micsetup - Get ready for business */
1357
1358 static int micsetup(struct airo_info *ai) {
1359 int i;
1360
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1363
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1366 ai->tfm = NULL;
1367 return ERROR;
1368 }
1369
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1373 }
1374 return SUCCESS;
1375 }
1376
1377 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1378
1379 /*===========================================================================
1380 * Description: Mic a packet
1381 *
1382 * Inputs: etherHead * pointer to an 802.3 frame
1383 *
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1386 *
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1390 *
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1393 */
1394
1395 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1396 {
1397 miccntx *context;
1398
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1401
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1404 else
1405 context = &ai->mod[0].uCtx;
1406
1407 if (!context->valid)
1408 return ERROR;
1409
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1411
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1413
1414 // Add Tx sequence
1415 mic->seq = htonl(context->tx);
1416 context->tx += 2;
1417
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1424
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 return SUCCESS;
1428 }
1429
1430 typedef enum {
1431 NONE,
1432 NOMIC,
1433 NOMICPLUMMED,
1434 SEQUENCE,
1435 INCORRECTMIC,
1436 } mic_error;
1437
1438 /*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1441 *
1442 * Inputs: etherHead pointer to the 802.3 packet
1443 *
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1445 *
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1449 */
1450
1451 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1452 {
1453 int i;
1454 u32 micSEQ;
1455 miccntx *context;
1456 u8 digest[4];
1457 mic_error micError = NONE;
1458
1459 // Check if the packet is a Mic'd packet
1460
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467 return SUCCESS;
1468 }
1469
1470 if (ntohs(mic->typelen) == 0x888E)
1471 return SUCCESS;
1472
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1476 return ERROR;
1477 }
1478
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1480
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1483
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1487 return ERROR;
1488 }
1489
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1494
1495 //Make sure context is valid
1496 if (!context->valid) {
1497 if (i == 0)
1498 micError = NOMICPLUMMED;
1499 continue;
1500 }
1501 //DeMic it
1502
1503 if (!mic->typelen)
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1505
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 //Calculate MIC
1512 emmh32_final(&context->seed, digest);
1513
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1515 //Invalid Mic
1516 if (i == 0)
1517 micError = INCORRECTMIC;
1518 continue;
1519 }
1520
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1524 return SUCCESS;
1525 }
1526 if (i == 0)
1527 micError = SEQUENCE;
1528 }
1529
1530 // Update statistics
1531 switch (micError) {
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 case NONE: break;
1536 case NOMIC: break;
1537 }
1538 return ERROR;
1539 }
1540
1541 /*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1544 *
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1547 *
1548 * Returns: TRUE if valid otherwise FALSE.
1549 *
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1553 */
1554
1555 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1556 {
1557 u32 seq,index;
1558
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1561
1562 if (mcast) {
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1567 }
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1572 }
1573
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1576
1577 //Too old of a SEQ number to check.
1578 if ((s32)seq < 0)
1579 return ERROR;
1580
1581 if ( seq > 64 ) {
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1584 return SUCCESS;
1585 }
1586
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1590
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1595
1596 MoveWindow(context,micSeq);
1597
1598 return SUCCESS;
1599 }
1600 return ERROR;
1601 }
1602
1603 static void MoveWindow(miccntx *context, u32 micSeq)
1604 {
1605 u32 shift;
1606
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1610
1611 //Shift out old
1612 if (shift < 32)
1613 context->rx >>= shift;
1614 else
1615 context->rx = 0;
1616
1617 context->window = micSeq; //Move window
1618 }
1619 }
1620
1621 /*==============================================*/
1622 /*========== EMMH ROUTINES ====================*/
1623 /*==============================================*/
1624
1625 /* mic accumulate */
1626 #define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1628
1629 static unsigned char aes_counter[16];
1630
1631 /* expand the key to fill the MMH coefficient array */
1632 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1634 {
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1637
1638 int i,j;
1639 u32 counter;
1640 u8 *cipher, plain[16];
1641
1642 crypto_cipher_setkey(tfm, pkey, 16);
1643 counter = 0;
1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1649 counter++;
1650 memcpy (plain, aes_counter, 16);
1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 cipher = plain;
1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1655 j += 4;
1656 }
1657 }
1658 }
1659
1660 /* prepare for calculation of a new mic */
1661 static void emmh32_init(emmh32_context *context)
1662 {
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1666 }
1667
1668 /* add some bytes to the mic calculation */
1669 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1670 {
1671 int coeff_position, byte_position;
1672
1673 if (len == 0) return;
1674
1675 coeff_position = context->position >> 2;
1676
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1688 }
1689
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1696 }
1697
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1704 }
1705 }
1706
1707 /* mask used to zero empty bytes for final partial word */
1708 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1709
1710 /* calculate the mic */
1711 static void emmh32_final(emmh32_context *context, u8 digest[4])
1712 {
1713 int coeff_position, byte_position;
1714 u32 val;
1715
1716 u64 sum, utmp;
1717 s64 stmp;
1718
1719 coeff_position = context->position >> 2;
1720
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1727 }
1728
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1736
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1742 }
1743
1744 static int readBSSListRid(struct airo_info *ai, int first,
1745 BSSListRid *list)
1746 {
1747 Cmd cmd;
1748 Resp rsp;
1749
1750 if (first == 1) {
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1762 }
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1765 }
1766
1767 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1768 {
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1771 }
1772
1773 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1774 {
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 if (perm) {
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1783 }
1784 return rc;
1785 }
1786
1787 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1788 {
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1790 }
1791
1792 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1793 {
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1795 }
1796
1797 static int readConfigRid(struct airo_info *ai, int lock)
1798 {
1799 int rc;
1800 ConfigRid cfg;
1801
1802 if (ai->config.len)
1803 return SUCCESS;
1804
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1808
1809 ai->config = cfg;
1810 return SUCCESS;
1811 }
1812
1813 static inline void checkThrottle(struct airo_info *ai)
1814 {
1815 int i;
1816 /* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1821 }
1822 }
1823 }
1824 }
1825
1826 static int writeConfigRid(struct airo_info *ai, int lock)
1827 {
1828 ConfigRid cfgr;
1829
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1832
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1837
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1842
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1844 }
1845
1846 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1847 {
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1849 }
1850
1851 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1852 {
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1854 }
1855
1856 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857 {
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1859 }
1860
1861 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862 {
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1864 }
1865
1866 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867 {
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1869 }
1870
1871 static void try_auto_wep(struct airo_info *ai)
1872 {
1873 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1876 }
1877 }
1878
1879 static int airo_open(struct net_device *dev) {
1880 struct airo_info *ai = dev->ml_priv;
1881 int rc = 0;
1882
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1884 return -EIO;
1885
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet commited, do it now - Jean II */
1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 disable_MAC(ai, 1);
1892 writeConfigRid(ai, 1);
1893 }
1894
1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1900
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 dev->name, dev);
1903 if (rc) {
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1906 dev->irq, rc);
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1909 return rc;
1910 }
1911
1912 /* Power on the MAC controller (which may have been disabled) */
1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1915
1916 try_auto_wep(ai);
1917 }
1918 enable_MAC(ai, 1);
1919
1920 netif_start_queue(dev);
1921 return 0;
1922 }
1923
1924 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1926 {
1927 int npacks, pending;
1928 unsigned long flags;
1929 struct airo_info *ai = dev->ml_priv;
1930
1931 if (!skb) {
1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1933 return NETDEV_TX_OK;
1934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1942 }
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
1945 }
1946
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1952
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1956 }
1957 return NETDEV_TX_OK;
1958 }
1959
1960 /*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967 static int mpi_send_packet (struct net_device *dev)
1968 {
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1971 s16 len;
1972 __le16 *payloadLen;
1973 struct airo_info *ai = dev->ml_priv;
1974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1981 __func__);
1982 return 0;
1983 }
1984
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1988
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994 /*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediatly after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy((char *)ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
2011 * Firmware automaticly puts 802 header on so
2012 * we don't need to account for it in the length
2013 */
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2016 MICBuffer pMic;
2017
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2020
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030 } else {
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033 dev->trans_start = jiffies;
2034
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2037 }
2038
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042 OUT4500(ai, EVACK, 8);
2043
2044 dev_kfree_skb_any(skb);
2045 return 1;
2046 }
2047
2048 static void get_tx_error(struct airo_info *ai, s32 fid)
2049 {
2050 __le16 status;
2051
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2058 }
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 { }
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2077
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2082
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 }
2097 }
2098
2099 static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
2107 clear_bit(JOB_XMIT, &priv->jobs);
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2111
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
2118 dev->stats.tx_window_errors++;
2119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123 }
2124
2125 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127 {
2128 s16 len;
2129 int i, j;
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
2136 }
2137
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2144
2145 if (i == MAX_FIDS / 2) {
2146 dev->stats.tx_fifo_errors++;
2147 return NETDEV_TX_BUSY;
2148 }
2149 }
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2155 priv->xmit.fid = i;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
2159 set_bit(JOB_XMIT, &priv->jobs);
2160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
2163 return NETDEV_TX_OK;
2164 }
2165
2166 static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
2169 struct airo_info *priv = dev->ml_priv;
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2173
2174 clear_bit(JOB_XMIT11, &priv->jobs);
2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177 up(&priv->sem);
2178
2179 i = MAX_FIDS / 2;
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 } else {
2184 priv->fids[fid] &= 0xffff;
2185 dev->stats.tx_window_errors++;
2186 }
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2190 }
2191
2192 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2194 {
2195 s16 len;
2196 int i, j;
2197 struct airo_info *priv = dev->ml_priv;
2198 u32 *fids = priv->fids;
2199
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
2205 }
2206
2207 if ( skb == NULL ) {
2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2209 return NETDEV_TX_OK;
2210 }
2211
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2218
2219 if (i == MAX_FIDS) {
2220 dev->stats.tx_fifo_errors++;
2221 return NETDEV_TX_BUSY;
2222 }
2223 }
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
2233 set_bit(JOB_XMIT11, &priv->jobs);
2234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
2237 return NETDEV_TX_OK;
2238 }
2239
2240 static void airo_read_stats(struct net_device *dev)
2241 {
2242 struct airo_info *ai = dev->ml_priv;
2243 StatsRid stats_rid;
2244 __le32 *vals = stats_rid.vals;
2245
2246 clear_bit(JOB_STATS, &ai->jobs);
2247 if (ai->power.event) {
2248 up(&ai->sem);
2249 return;
2250 }
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2253
2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2255 le32_to_cpu(vals[45]);
2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2257 le32_to_cpu(vals[41]);
2258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
2266
2267 /* detailed rx_errors: */
2268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2272 }
2273
2274 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2275 {
2276 struct airo_info *local = dev->ml_priv;
2277
2278 if (!test_bit(JOB_STATS, &local->jobs)) {
2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
2281 set_bit(JOB_STATS, &local->jobs);
2282 wake_up_interruptible(&local->thr_wait);
2283 } else
2284 airo_read_stats(dev);
2285 }
2286
2287 return &dev->stats;
2288 }
2289
2290 static void airo_set_promisc(struct airo_info *ai) {
2291 Cmd cmd;
2292 Resp rsp;
2293
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
2296 clear_bit(JOB_PROMISC, &ai->jobs);
2297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2299 up(&ai->sem);
2300 }
2301
2302 static void airo_set_multicast_list(struct net_device *dev) {
2303 struct airo_info *ai = dev->ml_priv;
2304
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
2308 set_bit(JOB_PROMISC, &ai->jobs);
2309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2312 }
2313
2314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2315 /* Turn on multicast. (Should be already setup...) */
2316 }
2317 }
2318
2319 static int airo_set_mac_address(struct net_device *dev, void *p)
2320 {
2321 struct airo_info *ai = dev->ml_priv;
2322 struct sockaddr *addr = p;
2323
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2327 disable_MAC(ai, 1);
2328 writeConfigRid (ai, 1);
2329 enable_MAC(ai, 1);
2330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 if (ai->wifidev)
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333 return 0;
2334 }
2335
2336 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337 {
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2339 return -EINVAL;
2340 dev->mtu = new_mtu;
2341 return 0;
2342 }
2343
2344 static LIST_HEAD(airo_devices);
2345
2346 static void add_airo_dev(struct airo_info *ai)
2347 {
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2352 }
2353
2354 static void del_airo_dev(struct airo_info *ai)
2355 {
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2358 }
2359
2360 static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
2362
2363 netif_stop_queue(dev);
2364
2365 if (ai->wifidev != dev) {
2366 #ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374 #endif
2375 disable_interrupts( ai );
2376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2381 }
2382 return 0;
2383 }
2384
2385 void stop_airo_card( struct net_device *dev, int freeres )
2386 {
2387 struct airo_info *ai = dev->ml_priv;
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2399 }
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 }
2402 /*
2403 * Clean out tx queue
2404 */
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
2411 airo_networks_free (ai);
2412
2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
2417 if (freeres) {
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 if (ai->pci)
2422 mpi_unmap_card(ai->pci);
2423 if (ai->pcimem)
2424 iounmap(ai->pcimem);
2425 if (ai->pciaux)
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2429 }
2430 }
2431 crypto_free_cipher(ai->tfm);
2432 del_airo_dev(ai);
2433 free_netdev( dev );
2434 }
2435
2436 EXPORT_SYMBOL(stop_airo_card);
2437
2438 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2439 {
2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2441 return ETH_ALEN;
2442 }
2443
2444 static void mpi_unmap_card(struct pci_dev *pci)
2445 {
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2450
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2453 }
2454
2455 /*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2461 */
2462 static int mpi_init_descriptors (struct airo_info *ai)
2463 {
2464 Cmd cmd;
2465 Resp rsp;
2466 int i;
2467 int rc = SUCCESS;
2468
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_RX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2482 return rc;
2483 }
2484
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2488 }
2489
2490 /* Alloc card TX descriptors */
2491
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2494
2495 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm0 = FID_TX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2499
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 }
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2510 return rc;
2511 }
2512
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2516
2517 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm0 = RID_RW;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2524 return rc;
2525 }
2526
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2529
2530 return rc;
2531 }
2532
2533 /*
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issueing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
2539 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2540 {
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
2546 unsigned char __iomem *pciaddroff;
2547
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2552
2553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
2556 goto out;
2557 }
2558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
2561 goto free_region1;
2562 }
2563
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
2568 goto free_region2;
2569 }
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
2574 goto free_memmap;
2575 }
2576
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 if (!ai->shared) {
2580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
2582 goto free_auxmap;
2583 }
2584
2585 /*
2586 * Setup descriptor RX, TX, CONFIG
2587 */
2588 busaddroff = ai->shared_dma;
2589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2591
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2601
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2605 }
2606
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
2613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2619 }
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
2627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2633
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2636 goto free_shared;
2637
2638 return 0;
2639 free_shared:
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642 iounmap(ai->pciaux);
2643 free_memmap:
2644 iounmap(ai->pcimem);
2645 free_region2:
2646 release_mem_region(aux_start, aux_len);
2647 free_region1:
2648 release_mem_region(mem_start, mem_len);
2649 out:
2650 return rc;
2651 }
2652
2653 static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2655 };
2656
2657 static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2665 };
2666
2667 static void wifi_setup(struct net_device *dev)
2668 {
2669 dev->netdev_ops = &airo11_netdev_ops;
2670 dev->header_ops = &airo_header_ops;
2671 dev->wireless_handlers = &airo_handler_def;
2672
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
2675 dev->mtu = AIRO_DEF_MTU;
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2678
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2680
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2682 }
2683
2684 static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2686 {
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2689 if (!dev)
2690 return NULL;
2691 dev->ml_priv = ethdev->ml_priv;
2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
2694 dev->wireless_data = ethdev->wireless_data;
2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2701 }
2702 return dev;
2703 }
2704
2705 static int reset_card( struct net_device *dev , int lock) {
2706 struct airo_info *ai = dev->ml_priv;
2707
2708 if (lock && down_interruptible(&ai->sem))
2709 return -1;
2710 waitbusy (ai);
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 msleep(200);
2713 waitbusy (ai);
2714 msleep(200);
2715 if (lock)
2716 up(&ai->sem);
2717 return 0;
2718 }
2719
2720 #define AIRO_MAX_NETWORK_COUNT 64
2721 static int airo_networks_allocate(struct airo_info *ai)
2722 {
2723 if (ai->networks)
2724 return 0;
2725
2726 ai->networks =
2727 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2728 GFP_KERNEL);
2729 if (!ai->networks) {
2730 airo_print_warn("", "Out of memory allocating beacons");
2731 return -ENOMEM;
2732 }
2733
2734 return 0;
2735 }
2736
2737 static void airo_networks_free(struct airo_info *ai)
2738 {
2739 kfree(ai->networks);
2740 ai->networks = NULL;
2741 }
2742
2743 static void airo_networks_initialize(struct airo_info *ai)
2744 {
2745 int i;
2746
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
2749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2752 }
2753
2754 static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_multicast_list = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_change_mtu = airo_change_mtu,
2763 .ndo_validate_addr = eth_validate_addr,
2764 };
2765
2766 static const struct net_device_ops mpi_netdev_ops = {
2767 .ndo_open = airo_open,
2768 .ndo_stop = airo_close,
2769 .ndo_start_xmit = mpi_start_xmit,
2770 .ndo_get_stats = airo_get_stats,
2771 .ndo_set_multicast_list = airo_set_multicast_list,
2772 .ndo_set_mac_address = airo_set_mac_address,
2773 .ndo_do_ioctl = airo_ioctl,
2774 .ndo_change_mtu = airo_change_mtu,
2775 .ndo_validate_addr = eth_validate_addr,
2776 };
2777
2778
2779 static struct net_device *_init_airo_card( unsigned short irq, int port,
2780 int is_pcmcia, struct pci_dev *pci,
2781 struct device *dmdev )
2782 {
2783 struct net_device *dev;
2784 struct airo_info *ai;
2785 int i, rc;
2786 CapabilityRid cap_rid;
2787
2788 /* Create the network device object. */
2789 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2790 if (!dev) {
2791 airo_print_err("", "Couldn't alloc_etherdev");
2792 return NULL;
2793 }
2794
2795 ai = dev->ml_priv = netdev_priv(dev);
2796 ai->wifidev = NULL;
2797 ai->flags = 1 << FLAG_RADIO_DOWN;
2798 ai->jobs = 0;
2799 ai->dev = dev;
2800 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2801 airo_print_dbg("", "Found an MPI350 card");
2802 set_bit(FLAG_MPI, &ai->flags);
2803 }
2804 spin_lock_init(&ai->aux_lock);
2805 sema_init(&ai->sem, 1);
2806 ai->config.len = 0;
2807 ai->pci = pci;
2808 init_waitqueue_head (&ai->thr_wait);
2809 ai->tfm = NULL;
2810 add_airo_dev(ai);
2811
2812 if (airo_networks_allocate (ai))
2813 goto err_out_free;
2814 airo_networks_initialize (ai);
2815
2816 skb_queue_head_init (&ai->txq);
2817
2818 /* The Airo-specific entries in the device structure. */
2819 if (test_bit(FLAG_MPI,&ai->flags))
2820 dev->netdev_ops = &mpi_netdev_ops;
2821 else
2822 dev->netdev_ops = &airo_netdev_ops;
2823 dev->wireless_handlers = &airo_handler_def;
2824 ai->wireless_data.spy_data = &ai->spy_data;
2825 dev->wireless_data = &ai->wireless_data;
2826 dev->irq = irq;
2827 dev->base_addr = port;
2828
2829 SET_NETDEV_DEV(dev, dmdev);
2830
2831 reset_card (dev, 1);
2832 msleep(400);
2833
2834 if (!is_pcmcia) {
2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 rc = -EBUSY;
2837 airo_print_err(dev->name, "Couldn't request region");
2838 goto err_out_nets;
2839 }
2840 }
2841
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
2845 goto err_out_res;
2846 }
2847 }
2848
2849 if (probe) {
2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2851 airo_print_err(dev->name, "MAC could not be enabled" );
2852 rc = -EIO;
2853 goto err_out_map;
2854 }
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2858 }
2859
2860 strcpy(dev->name, "eth%d");
2861 rc = register_netdev(dev);
2862 if (rc) {
2863 airo_print_err(dev->name, "Couldn't register_netdev");
2864 goto err_out_map;
2865 }
2866 ai->wifidev = init_wifidev(ai, dev);
2867 if (!ai->wifidev)
2868 goto err_out_reg;
2869
2870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2872 rc = -EIO;
2873 goto err_out_wifi;
2874 }
2875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2878
2879 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2883
2884 /* Test for WPA support */
2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2890
2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2895 } else {
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2898
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 }
2903
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911
2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2913 goto err_out_wifi;
2914
2915 return dev;
2916
2917 err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920 err_out_reg:
2921 unregister_netdev(dev);
2922 err_out_map:
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2928 }
2929 err_out_res:
2930 if (!is_pcmcia)
2931 release_region( dev->base_addr, 64 );
2932 err_out_nets:
2933 airo_networks_free(ai);
2934 err_out_free:
2935 del_airo_dev(ai);
2936 free_netdev(dev);
2937 return NULL;
2938 }
2939
2940 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2942 {
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2944 }
2945
2946 EXPORT_SYMBOL(init_airo_card);
2947
2948 static int waitbusy (struct airo_info *ai) {
2949 int delay = 0;
2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2951 udelay (10);
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 }
2955 return delay < 10000;
2956 }
2957
2958 int reset_airo_card( struct net_device *dev )
2959 {
2960 int i;
2961 struct airo_info *ai = dev->ml_priv;
2962
2963 if (reset_card (dev, 1))
2964 return -1;
2965
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2967 airo_print_err(dev->name, "MAC could not be enabled");
2968 return -1;
2969 }
2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2975
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2978 return 0;
2979 }
2980
2981 EXPORT_SYMBOL(reset_airo_card);
2982
2983 static void airo_send_event(struct net_device *dev) {
2984 struct airo_info *ai = dev->ml_priv;
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2987
2988 clear_bit(JOB_EVENT, &ai->jobs);
2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 up(&ai->sem);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2998 }
2999
3000 static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3002 BSSListRid bss;
3003 int rc;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3006
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3012 }
3013
3014 /* Try to read the first entry of the scan result */
3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3017 /* No scan results */
3018 goto out;
3019 }
3020
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3029 }
3030
3031 if (tmp_net != NULL) {
3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3035 }
3036
3037 /* Read next entry */
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
3040 }
3041
3042 out:
3043 ai->scan_timeout = 0;
3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3045 up(&ai->sem);
3046
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3057 }
3058
3059 static int airo_thread(void *data) {
3060 struct net_device *dev = data;
3061 struct airo_info *ai = dev->ml_priv;
3062 int locked;
3063
3064 set_freezable();
3065 while(1) {
3066 /* make swsusp happy with our thread */
3067 try_to_freeze();
3068
3069 if (test_bit(JOB_DIE, &ai->jobs))
3070 break;
3071
3072 if (ai->jobs) {
3073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3076
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
3081 if (ai->jobs)
3082 break;
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3091 break;
3092 }
3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
3095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3098 ai->scan_timeout);
3099 } else {
3100 wake_at = min(ai->expires,
3101 ai->scan_timeout);
3102 }
3103 schedule_timeout(wake_at - jiffies);
3104 continue;
3105 }
3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
3108 schedule();
3109 continue;
3110 }
3111 break;
3112 }
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3115 locked = 1;
3116 }
3117
3118 if (locked)
3119 continue;
3120
3121 if (test_bit(JOB_DIE, &ai->jobs)) {
3122 up(&ai->sem);
3123 break;
3124 }
3125
3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3127 up(&ai->sem);
3128 continue;
3129 }
3130
3131 if (test_bit(JOB_XMIT, &ai->jobs))
3132 airo_end_xmit(dev);
3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
3134 airo_end_xmit11(dev);
3135 else if (test_bit(JOB_STATS, &ai->jobs))
3136 airo_read_stats(dev);
3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
3138 airo_read_wireless_stats(ai);
3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
3140 airo_set_promisc(ai);
3141 else if (test_bit(JOB_MIC, &ai->jobs))
3142 micinit(ai);
3143 else if (test_bit(JOB_EVENT, &ai->jobs))
3144 airo_send_event(dev);
3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 timer_func(dev);
3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
3151 }
3152
3153 return 0;
3154 }
3155
3156 static int header_len(__le16 ctl)
3157 {
3158 u16 fc = le16_to_cpu(ctl);
3159 switch (fc & 0xc) {
3160 case 4:
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3164 case 8:
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3167 }
3168 return 24;
3169 }
3170
3171 static void airo_handle_cisco_mic(struct airo_info *ai)
3172 {
3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3176 }
3177 }
3178
3179 /* Airo Status codes */
3180 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC 0x0400 /* Associated */
3190 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191
3192 static void airo_print_status(const char *devname, u16 status)
3193 {
3194 u8 reason = status & 0xFF;
3195
3196 switch (status & 0xFF00) {
3197 case STAT_NOBEACON:
3198 switch (status) {
3199 case STAT_NOBEACON:
3200 airo_print_dbg(devname, "link lost (missed beacons)");
3201 break;
3202 case STAT_MAXRETRIES:
3203 case STAT_MAXARL:
3204 airo_print_dbg(devname, "link lost (max retries)");
3205 break;
3206 case STAT_FORCELOSS:
3207 airo_print_dbg(devname, "link lost (local choice)");
3208 break;
3209 case STAT_TSFSYNC:
3210 airo_print_dbg(devname, "link lost (TSF sync lost)");
3211 break;
3212 default:
3213 airo_print_dbg(devname, "unknow status %x\n", status);
3214 break;
3215 }
3216 break;
3217 case STAT_DEAUTH:
3218 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3219 break;
3220 case STAT_DISASSOC:
3221 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3222 break;
3223 case STAT_ASSOC_FAIL:
3224 airo_print_dbg(devname, "association failed (reason: %d)",
3225 reason);
3226 break;
3227 case STAT_AUTH_FAIL:
3228 airo_print_dbg(devname, "authentication failed (reason: %d)",
3229 reason);
3230 break;
3231 case STAT_ASSOC:
3232 case STAT_REASSOC:
3233 break;
3234 default:
3235 airo_print_dbg(devname, "unknow status %x\n", status);
3236 break;
3237 }
3238 }
3239
3240 static void airo_handle_link(struct airo_info *ai)
3241 {
3242 union iwreq_data wrqu;
3243 int scan_forceloss = 0;
3244 u16 status;
3245
3246 /* Get new status and acknowledge the link change */
3247 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3248 OUT4500(ai, EVACK, EV_LINK);
3249
3250 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3251 scan_forceloss = 1;
3252
3253 airo_print_status(ai->dev->name, status);
3254
3255 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3256 if (auto_wep)
3257 ai->expires = 0;
3258 if (ai->list_bss_task)
3259 wake_up_process(ai->list_bss_task);
3260 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3261 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3262
3263 if (down_trylock(&ai->sem) != 0) {
3264 set_bit(JOB_EVENT, &ai->jobs);
3265 wake_up_interruptible(&ai->thr_wait);
3266 } else
3267 airo_send_event(ai->dev);
3268 } else if (!scan_forceloss) {
3269 if (auto_wep && !ai->expires) {
3270 ai->expires = RUN_AT(3*HZ);
3271 wake_up_interruptible(&ai->thr_wait);
3272 }
3273
3274 /* Send event to user space */
3275 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3276 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3277 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3278 }
3279 }
3280
3281 static void airo_handle_rx(struct airo_info *ai)
3282 {
3283 struct sk_buff *skb = NULL;
3284 __le16 fc, v, *buffer, tmpbuf[4];
3285 u16 len, hdrlen = 0, gap, fid;
3286 struct rx_hdr hdr;
3287 int success = 0;
3288
3289 if (test_bit(FLAG_MPI, &ai->flags)) {
3290 if (test_bit(FLAG_802_11, &ai->flags))
3291 mpi_receive_802_11(ai);
3292 else
3293 mpi_receive_802_3(ai);
3294 OUT4500(ai, EVACK, EV_RX);
3295 return;
3296 }
3297
3298 fid = IN4500(ai, RXFID);
3299
3300 /* Get the packet length */
3301 if (test_bit(FLAG_802_11, &ai->flags)) {
3302 bap_setup (ai, fid, 4, BAP0);
3303 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3304 /* Bad CRC. Ignore packet */
3305 if (le16_to_cpu(hdr.status) & 2)
3306 hdr.len = 0;
3307 if (ai->wifidev == NULL)
3308 hdr.len = 0;
3309 } else {
3310 bap_setup(ai, fid, 0x36, BAP0);
3311 bap_read(ai, &hdr.len, 2, BAP0);
3312 }
3313 len = le16_to_cpu(hdr.len);
3314
3315 if (len > AIRO_DEF_MTU) {
3316 airo_print_err(ai->dev->name, "Bad size %d", len);
3317 goto done;
3318 }
3319 if (len == 0)
3320 goto done;
3321
3322 if (test_bit(FLAG_802_11, &ai->flags)) {
3323 bap_read(ai, &fc, sizeof (fc), BAP0);
3324 hdrlen = header_len(fc);
3325 } else
3326 hdrlen = ETH_ALEN * 2;
3327
3328 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3329 if (!skb) {
3330 ai->dev->stats.rx_dropped++;
3331 goto done;
3332 }
3333
3334 skb_reserve(skb, 2); /* This way the IP header is aligned */
3335 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3336 if (test_bit(FLAG_802_11, &ai->flags)) {
3337 buffer[0] = fc;
3338 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3339 if (hdrlen == 24)
3340 bap_read(ai, tmpbuf, 6, BAP0);
3341
3342 bap_read(ai, &v, sizeof(v), BAP0);
3343 gap = le16_to_cpu(v);
3344 if (gap) {
3345 if (gap <= 8) {
3346 bap_read(ai, tmpbuf, gap, BAP0);
3347 } else {
3348 airo_print_err(ai->dev->name, "gaplen too "
3349 "big. Problems will follow...");
3350 }
3351 }
3352 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3353 } else {
3354 MICBuffer micbuf;
3355
3356 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3357 if (ai->micstats.enabled) {
3358 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3359 if (ntohs(micbuf.typelen) > 0x05DC)
3360 bap_setup(ai, fid, 0x44, BAP0);
3361 else {
3362 if (len <= sizeof (micbuf)) {
3363 dev_kfree_skb_irq(skb);
3364 goto done;
3365 }
3366
3367 len -= sizeof(micbuf);
3368 skb_trim(skb, len + hdrlen);
3369 }
3370 }
3371
3372 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3373 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3374 dev_kfree_skb_irq (skb);
3375 else
3376 success = 1;
3377 }
3378
3379 #ifdef WIRELESS_SPY
3380 if (success && (ai->spy_data.spy_number > 0)) {
3381 char *sa;
3382 struct iw_quality wstats;
3383
3384 /* Prepare spy data : addr + qual */
3385 if (!test_bit(FLAG_802_11, &ai->flags)) {
3386 sa = (char *) buffer + 6;
3387 bap_setup(ai, fid, 8, BAP0);
3388 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3389 } else
3390 sa = (char *) buffer + 10;
3391 wstats.qual = hdr.rssi[0];
3392 if (ai->rssi)
3393 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3394 else
3395 wstats.level = (hdr.rssi[1] + 321) / 2;
3396 wstats.noise = ai->wstats.qual.noise;
3397 wstats.updated = IW_QUAL_LEVEL_UPDATED
3398 | IW_QUAL_QUAL_UPDATED
3399 | IW_QUAL_DBM;
3400 /* Update spy records */
3401 wireless_spy_update(ai->dev, sa, &wstats);
3402 }
3403 #endif /* WIRELESS_SPY */
3404
3405 done:
3406 OUT4500(ai, EVACK, EV_RX);
3407
3408 if (success) {
3409 if (test_bit(FLAG_802_11, &ai->flags)) {
3410 skb_reset_mac_header(skb);
3411 skb->pkt_type = PACKET_OTHERHOST;
3412 skb->dev = ai->wifidev;
3413 skb->protocol = htons(ETH_P_802_2);
3414 } else
3415 skb->protocol = eth_type_trans(skb, ai->dev);
3416 skb->ip_summed = CHECKSUM_NONE;
3417
3418 netif_rx(skb);
3419 }
3420 }
3421
3422 static void airo_handle_tx(struct airo_info *ai, u16 status)
3423 {
3424 int i, len = 0, index = -1;
3425 u16 fid;
3426
3427 if (test_bit(FLAG_MPI, &ai->flags)) {
3428 unsigned long flags;
3429
3430 if (status & EV_TXEXC)
3431 get_tx_error(ai, -1);
3432
3433 spin_lock_irqsave(&ai->aux_lock, flags);
3434 if (!skb_queue_empty(&ai->txq)) {
3435 spin_unlock_irqrestore(&ai->aux_lock,flags);
3436 mpi_send_packet(ai->dev);
3437 } else {
3438 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3439 spin_unlock_irqrestore(&ai->aux_lock,flags);
3440 netif_wake_queue(ai->dev);
3441 }
3442 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3443 return;
3444 }
3445
3446 fid = IN4500(ai, TXCOMPLFID);
3447
3448 for(i = 0; i < MAX_FIDS; i++) {
3449 if ((ai->fids[i] & 0xffff) == fid) {
3450 len = ai->fids[i] >> 16;
3451 index = i;
3452 }
3453 }
3454
3455 if (index != -1) {
3456 if (status & EV_TXEXC)
3457 get_tx_error(ai, index);
3458
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3460
3461 /* Set up to be used again */
3462 ai->fids[index] &= 0xffff;
3463 if (index < MAX_FIDS / 2) {
3464 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3465 netif_wake_queue(ai->dev);
3466 } else {
3467 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3468 netif_wake_queue(ai->wifidev);
3469 }
3470 } else {
3471 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3472 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3473 }
3474 }
3475
3476 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3477 {
3478 struct net_device *dev = dev_id;
3479 u16 status, savedInterrupts = 0;
3480 struct airo_info *ai = dev->ml_priv;
3481 int handled = 0;
3482
3483 if (!netif_device_present(dev))
3484 return IRQ_NONE;
3485
3486 for (;;) {
3487 status = IN4500(ai, EVSTAT);
3488 if (!(status & STATUS_INTS) || (status == 0xffff))
3489 break;
3490
3491 handled = 1;
3492
3493 if (status & EV_AWAKE) {
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 OUT4500(ai, EVACK, EV_AWAKE);
3496 }
3497
3498 if (!savedInterrupts) {
3499 savedInterrupts = IN4500(ai, EVINTEN);
3500 OUT4500(ai, EVINTEN, 0);
3501 }
3502
3503 if (status & EV_MIC) {
3504 OUT4500(ai, EVACK, EV_MIC);
3505 airo_handle_cisco_mic(ai);
3506 }
3507
3508 if (status & EV_LINK) {
3509 /* Link status changed */
3510 airo_handle_link(ai);
3511 }
3512
3513 /* Check to see if there is something to receive */
3514 if (status & EV_RX)
3515 airo_handle_rx(ai);
3516
3517 /* Check to see if a packet has been transmitted */
3518 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3519 airo_handle_tx(ai, status);
3520
3521 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3522 airo_print_warn(ai->dev->name, "Got weird status %x",
3523 status & ~STATUS_INTS & ~IGNORE_INTS );
3524 }
3525 }
3526
3527 if (savedInterrupts)
3528 OUT4500(ai, EVINTEN, savedInterrupts);
3529
3530 return IRQ_RETVAL(handled);
3531 }
3532
3533 /*
3534 * Routines to talk to the card
3535 */
3536
3537 /*
3538 * This was originally written for the 4500, hence the name
3539 * NOTE: If use with 8bit mode and SMP bad things will happen!
3540 * Why would some one do 8 bit IO in an SMP machine?!?
3541 */
3542 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3543 if (test_bit(FLAG_MPI,&ai->flags))
3544 reg <<= 1;
3545 if ( !do8bitIO )
3546 outw( val, ai->dev->base_addr + reg );
3547 else {
3548 outb( val & 0xff, ai->dev->base_addr + reg );
3549 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3550 }
3551 }
3552
3553 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3554 unsigned short rc;
3555
3556 if (test_bit(FLAG_MPI,&ai->flags))
3557 reg <<= 1;
3558 if ( !do8bitIO )
3559 rc = inw( ai->dev->base_addr + reg );
3560 else {
3561 rc = inb( ai->dev->base_addr + reg );
3562 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3563 }
3564 return rc;
3565 }
3566
3567 static int enable_MAC(struct airo_info *ai, int lock)
3568 {
3569 int rc;
3570 Cmd cmd;
3571 Resp rsp;
3572
3573 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3574 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3575 * Note : we could try to use !netif_running(dev) in enable_MAC()
3576 * instead of this flag, but I don't trust it *within* the
3577 * open/close functions, and testing both flags together is
3578 * "cheaper" - Jean II */
3579 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3580
3581 if (lock && down_interruptible(&ai->sem))
3582 return -ERESTARTSYS;
3583
3584 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3585 memset(&cmd, 0, sizeof(cmd));
3586 cmd.cmd = MAC_ENABLE;
3587 rc = issuecommand(ai, &cmd, &rsp);
3588 if (rc == SUCCESS)
3589 set_bit(FLAG_ENABLED, &ai->flags);
3590 } else
3591 rc = SUCCESS;
3592
3593 if (lock)
3594 up(&ai->sem);
3595
3596 if (rc)
3597 airo_print_err(ai->dev->name, "Cannot enable MAC");
3598 else if ((rsp.status & 0xFF00) != 0) {
3599 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3600 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3601 rc = ERROR;
3602 }
3603 return rc;
3604 }
3605
3606 static void disable_MAC( struct airo_info *ai, int lock ) {
3607 Cmd cmd;
3608 Resp rsp;
3609
3610 if (lock && down_interruptible(&ai->sem))
3611 return;
3612
3613 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3614 memset(&cmd, 0, sizeof(cmd));
3615 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3616 issuecommand(ai, &cmd, &rsp);
3617 clear_bit(FLAG_ENABLED, &ai->flags);
3618 }
3619 if (lock)
3620 up(&ai->sem);
3621 }
3622
3623 static void enable_interrupts( struct airo_info *ai ) {
3624 /* Enable the interrupts */
3625 OUT4500( ai, EVINTEN, STATUS_INTS );
3626 }
3627
3628 static void disable_interrupts( struct airo_info *ai ) {
3629 OUT4500( ai, EVINTEN, 0 );
3630 }
3631
3632 static void mpi_receive_802_3(struct airo_info *ai)
3633 {
3634 RxFid rxd;
3635 int len = 0;
3636 struct sk_buff *skb;
3637 char *buffer;
3638 int off = 0;
3639 MICBuffer micbuf;
3640
3641 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3642 /* Make sure we got something */
3643 if (rxd.rdy && rxd.valid == 0) {
3644 len = rxd.len + 12;
3645 if (len < 12 || len > 2048)
3646 goto badrx;
3647
3648 skb = dev_alloc_skb(len);
3649 if (!skb) {
3650 ai->dev->stats.rx_dropped++;
3651 goto badrx;
3652 }
3653 buffer = skb_put(skb,len);
3654 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3655 if (ai->micstats.enabled) {
3656 memcpy(&micbuf,
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3658 sizeof(micbuf));
3659 if (ntohs(micbuf.typelen) <= 0x05DC) {
3660 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3661 goto badmic;
3662
3663 off = sizeof(micbuf);
3664 skb_trim (skb, len - off);
3665 }
3666 }
3667 memcpy(buffer + ETH_ALEN * 2,
3668 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3669 len - ETH_ALEN * 2 - off);
3670 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3671 badmic:
3672 dev_kfree_skb_irq (skb);
3673 goto badrx;
3674 }
3675 #ifdef WIRELESS_SPY
3676 if (ai->spy_data.spy_number > 0) {
3677 char *sa;
3678 struct iw_quality wstats;
3679 /* Prepare spy data : addr + qual */
3680 sa = buffer + ETH_ALEN;
3681 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3682 wstats.level = 0;
3683 wstats.updated = 0;
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3686 }
3687 #endif /* WIRELESS_SPY */
3688
3689 skb->ip_summed = CHECKSUM_NONE;
3690 skb->protocol = eth_type_trans(skb, ai->dev);
3691 netif_rx(skb);
3692 }
3693 badrx:
3694 if (rxd.valid == 0) {
3695 rxd.valid = 1;
3696 rxd.rdy = 0;
3697 rxd.len = PKTSIZE;
3698 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3699 }
3700 }
3701
3702 static void mpi_receive_802_11(struct airo_info *ai)
3703 {
3704 RxFid rxd;
3705 struct sk_buff *skb = NULL;
3706 u16 len, hdrlen = 0;
3707 __le16 fc;
3708 struct rx_hdr hdr;
3709 u16 gap;
3710 u16 *buffer;
3711 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3712
3713 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3714 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3715 ptr += sizeof(hdr);
3716 /* Bad CRC. Ignore packet */
3717 if (le16_to_cpu(hdr.status) & 2)
3718 hdr.len = 0;
3719 if (ai->wifidev == NULL)
3720 hdr.len = 0;
3721 len = le16_to_cpu(hdr.len);
3722 if (len > AIRO_DEF_MTU) {
3723 airo_print_err(ai->dev->name, "Bad size %d", len);
3724 goto badrx;
3725 }
3726 if (len == 0)
3727 goto badrx;
3728
3729 fc = get_unaligned((__le16 *)ptr);
3730 hdrlen = header_len(fc);
3731
3732 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 if ( !skb ) {
3734 ai->dev->stats.rx_dropped++;
3735 goto badrx;
3736 }
3737 buffer = (u16*)skb_put (skb, len + hdrlen);
3738 memcpy ((char *)buffer, ptr, hdrlen);
3739 ptr += hdrlen;
3740 if (hdrlen == 24)
3741 ptr += 6;
3742 gap = get_unaligned_le16(ptr);
3743 ptr += sizeof(__le16);
3744 if (gap) {
3745 if (gap <= 8)
3746 ptr += gap;
3747 else
3748 airo_print_err(ai->dev->name,
3749 "gaplen too big. Problems will follow...");
3750 }
3751 memcpy ((char *)buffer + hdrlen, ptr, len);
3752 ptr += len;
3753 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3754 if (ai->spy_data.spy_number > 0) {
3755 char *sa;
3756 struct iw_quality wstats;
3757 /* Prepare spy data : addr + qual */
3758 sa = (char*)buffer + 10;
3759 wstats.qual = hdr.rssi[0];
3760 if (ai->rssi)
3761 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3762 else
3763 wstats.level = (hdr.rssi[1] + 321) / 2;
3764 wstats.noise = ai->wstats.qual.noise;
3765 wstats.updated = IW_QUAL_QUAL_UPDATED
3766 | IW_QUAL_LEVEL_UPDATED
3767 | IW_QUAL_DBM;
3768 /* Update spy records */
3769 wireless_spy_update(ai->dev, sa, &wstats);
3770 }
3771 #endif /* IW_WIRELESS_SPY */
3772 skb_reset_mac_header(skb);
3773 skb->pkt_type = PACKET_OTHERHOST;
3774 skb->dev = ai->wifidev;
3775 skb->protocol = htons(ETH_P_802_2);
3776 skb->ip_summed = CHECKSUM_NONE;
3777 netif_rx( skb );
3778
3779 badrx:
3780 if (rxd.valid == 0) {
3781 rxd.valid = 1;
3782 rxd.rdy = 0;
3783 rxd.len = PKTSIZE;
3784 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3785 }
3786 }
3787
3788 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3789 {
3790 Cmd cmd;
3791 Resp rsp;
3792 int status;
3793 SsidRid mySsid;
3794 __le16 lastindex;
3795 WepKeyRid wkr;
3796 int rc;
3797
3798 memset( &mySsid, 0, sizeof( mySsid ) );
3799 kfree (ai->flash);
3800 ai->flash = NULL;
3801
3802 /* The NOP is the first step in getting the card going */
3803 cmd.cmd = NOP;
3804 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3805 if (lock && down_interruptible(&ai->sem))
3806 return ERROR;
3807 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3808 if (lock)
3809 up(&ai->sem);
3810 return ERROR;
3811 }
3812 disable_MAC( ai, 0);
3813
3814 // Let's figure out if we need to use the AUX port
3815 if (!test_bit(FLAG_MPI,&ai->flags)) {
3816 cmd.cmd = CMD_ENABLEAUX;
3817 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3818 if (lock)
3819 up(&ai->sem);
3820 airo_print_err(ai->dev->name, "Error checking for AUX port");
3821 return ERROR;
3822 }
3823 if (!aux_bap || rsp.status & 0xff00) {
3824 ai->bap_read = fast_bap_read;
3825 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3826 } else {
3827 ai->bap_read = aux_bap_read;
3828 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3829 }
3830 }
3831 if (lock)
3832 up(&ai->sem);
3833 if (ai->config.len == 0) {
3834 int i;
3835 tdsRssiRid rssi_rid;
3836 CapabilityRid cap_rid;
3837
3838 kfree(ai->APList);
3839 ai->APList = NULL;
3840 kfree(ai->SSID);
3841 ai->SSID = NULL;
3842 // general configuration (read/modify/write)
3843 status = readConfigRid(ai, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = readCapabilityRid(ai, &cap_rid, lock);
3847 if ( status != SUCCESS ) return ERROR;
3848
3849 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3850 if ( status == SUCCESS ) {
3851 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3852 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3853 }
3854 else {
3855 kfree(ai->rssi);
3856 ai->rssi = NULL;
3857 if (cap_rid.softCap & cpu_to_le16(8))
3858 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 else
3860 airo_print_warn(ai->dev->name, "unknown received signal "
3861 "level scale");
3862 }
3863 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3864 ai->config.authType = AUTH_OPEN;
3865 ai->config.modulation = MOD_CCK;
3866
3867 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3868 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3869 micsetup(ai) == SUCCESS) {
3870 ai->config.opmode |= MODE_MIC;
3871 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3872 }
3873
3874 /* Save off the MAC */
3875 for( i = 0; i < ETH_ALEN; i++ ) {
3876 mac[i] = ai->config.macAddr[i];
3877 }
3878
3879 /* Check to see if there are any insmod configured
3880 rates to add */
3881 if ( rates[0] ) {
3882 memset(ai->config.rates,0,sizeof(ai->config.rates));
3883 for( i = 0; i < 8 && rates[i]; i++ ) {
3884 ai->config.rates[i] = rates[i];
3885 }
3886 }
3887 if ( basic_rate > 0 ) {
3888 for( i = 0; i < 8; i++ ) {
3889 if ( ai->config.rates[i] == basic_rate ||
3890 !ai->config.rates ) {
3891 ai->config.rates[i] = basic_rate | 0x80;
3892 break;
3893 }
3894 }
3895 }
3896 set_bit (FLAG_COMMIT, &ai->flags);
3897 }
3898
3899 /* Setup the SSIDs if present */
3900 if ( ssids[0] ) {
3901 int i;
3902 for( i = 0; i < 3 && ssids[i]; i++ ) {
3903 size_t len = strlen(ssids[i]);
3904 if (len > 32)
3905 len = 32;
3906 mySsid.ssids[i].len = cpu_to_le16(len);
3907 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3908 }
3909 mySsid.len = cpu_to_le16(sizeof(mySsid));
3910 }
3911
3912 status = writeConfigRid(ai, lock);
3913 if ( status != SUCCESS ) return ERROR;
3914
3915 /* Set up the SSID list */
3916 if ( ssids[0] ) {
3917 status = writeSsidRid(ai, &mySsid, lock);
3918 if ( status != SUCCESS ) return ERROR;
3919 }
3920
3921 status = enable_MAC(ai, lock);
3922 if (status != SUCCESS)
3923 return ERROR;
3924
3925 /* Grab the initial wep key, we gotta save it for auto_wep */
3926 rc = readWepKeyRid(ai, &wkr, 1, lock);
3927 if (rc == SUCCESS) do {
3928 lastindex = wkr.kindex;
3929 if (wkr.kindex == cpu_to_le16(0xffff)) {
3930 ai->defindex = wkr.mac[0];
3931 }
3932 rc = readWepKeyRid(ai, &wkr, 0, lock);
3933 } while(lastindex != wkr.kindex);
3934
3935 try_auto_wep(ai);
3936
3937 return SUCCESS;
3938 }
3939
3940 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3941 // Im really paranoid about letting it run forever!
3942 int max_tries = 600000;
3943
3944 if (IN4500(ai, EVSTAT) & EV_CMD)
3945 OUT4500(ai, EVACK, EV_CMD);
3946
3947 OUT4500(ai, PARAM0, pCmd->parm0);
3948 OUT4500(ai, PARAM1, pCmd->parm1);
3949 OUT4500(ai, PARAM2, pCmd->parm2);
3950 OUT4500(ai, COMMAND, pCmd->cmd);
3951
3952 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3953 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3954 // PC4500 didn't notice command, try again
3955 OUT4500(ai, COMMAND, pCmd->cmd);
3956 if (!in_atomic() && (max_tries & 255) == 0)
3957 schedule();
3958 }
3959
3960 if ( max_tries == -1 ) {
3961 airo_print_err(ai->dev->name,
3962 "Max tries exceeded when issueing command");
3963 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 return ERROR;
3966 }
3967
3968 // command completed
3969 pRsp->status = IN4500(ai, STATUS);
3970 pRsp->rsp0 = IN4500(ai, RESP0);
3971 pRsp->rsp1 = IN4500(ai, RESP1);
3972 pRsp->rsp2 = IN4500(ai, RESP2);
3973 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3974 airo_print_err(ai->dev->name,
3975 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3976 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3977 pRsp->rsp2);
3978
3979 // clear stuck command busy if necessary
3980 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3981 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3982 }
3983 // acknowledge processing the status/response
3984 OUT4500(ai, EVACK, EV_CMD);
3985
3986 return SUCCESS;
3987 }
3988
3989 /* Sets up the bap to start exchange data. whichbap should
3990 * be one of the BAP0 or BAP1 defines. Locks should be held before
3991 * calling! */
3992 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3993 {
3994 int timeout = 50;
3995 int max_tries = 3;
3996
3997 OUT4500(ai, SELECT0+whichbap, rid);
3998 OUT4500(ai, OFFSET0+whichbap, offset);
3999 while (1) {
4000 int status = IN4500(ai, OFFSET0+whichbap);
4001 if (status & BAP_BUSY) {
4002 /* This isn't really a timeout, but its kinda
4003 close */
4004 if (timeout--) {
4005 continue;
4006 }
4007 } else if ( status & BAP_ERR ) {
4008 /* invalid rid or offset */
4009 airo_print_err(ai->dev->name, "BAP error %x %d",
4010 status, whichbap );
4011 return ERROR;
4012 } else if (status & BAP_DONE) { // success
4013 return SUCCESS;
4014 }
4015 if ( !(max_tries--) ) {
4016 airo_print_err(ai->dev->name,
4017 "BAP setup error too many retries\n");
4018 return ERROR;
4019 }
4020 // -- PC4500 missed it, try again
4021 OUT4500(ai, SELECT0+whichbap, rid);
4022 OUT4500(ai, OFFSET0+whichbap, offset);
4023 timeout = 50;
4024 }
4025 }
4026
4027 /* should only be called by aux_bap_read. This aux function and the
4028 following use concepts not documented in the developers guide. I
4029 got them from a patch given to my by Aironet */
4030 static u16 aux_setup(struct airo_info *ai, u16 page,
4031 u16 offset, u16 *len)
4032 {
4033 u16 next;
4034
4035 OUT4500(ai, AUXPAGE, page);
4036 OUT4500(ai, AUXOFF, 0);
4037 next = IN4500(ai, AUXDATA);
4038 *len = IN4500(ai, AUXDATA)&0xff;
4039 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4040 return next;
4041 }
4042
4043 /* requires call to bap_setup() first */
4044 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4045 int bytelen, int whichbap)
4046 {
4047 u16 len;
4048 u16 page;
4049 u16 offset;
4050 u16 next;
4051 int words;
4052 int i;
4053 unsigned long flags;
4054
4055 spin_lock_irqsave(&ai->aux_lock, flags);
4056 page = IN4500(ai, SWS0+whichbap);
4057 offset = IN4500(ai, SWS2+whichbap);
4058 next = aux_setup(ai, page, offset, &len);
4059 words = (bytelen+1)>>1;
4060
4061 for (i=0; i<words;) {
4062 int count;
4063 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4064 if ( !do8bitIO )
4065 insw( ai->dev->base_addr+DATA0+whichbap,
4066 pu16Dst+i,count );
4067 else
4068 insb( ai->dev->base_addr+DATA0+whichbap,
4069 pu16Dst+i, count << 1 );
4070 i += count;
4071 if (i<words) {
4072 next = aux_setup(ai, next, 4, &len);
4073 }
4074 }
4075 spin_unlock_irqrestore(&ai->aux_lock, flags);
4076 return SUCCESS;
4077 }
4078
4079
4080 /* requires call to bap_setup() first */
4081 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4082 int bytelen, int whichbap)
4083 {
4084 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 if ( !do8bitIO )
4086 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4087 else
4088 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4089 return SUCCESS;
4090 }
4091
4092 /* requires call to bap_setup() first */
4093 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4094 int bytelen, int whichbap)
4095 {
4096 bytelen = (bytelen + 1) & (~1); // round up to even value
4097 if ( !do8bitIO )
4098 outsw( ai->dev->base_addr+DATA0+whichbap,
4099 pu16Src, bytelen>>1 );
4100 else
4101 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4102 return SUCCESS;
4103 }
4104
4105 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4106 {
4107 Cmd cmd; /* for issuing commands */
4108 Resp rsp; /* response from commands */
4109 u16 status;
4110
4111 memset(&cmd, 0, sizeof(cmd));
4112 cmd.cmd = accmd;
4113 cmd.parm0 = rid;
4114 status = issuecommand(ai, &cmd, &rsp);
4115 if (status != 0) return status;
4116 if ( (rsp.status & 0x7F00) != 0) {
4117 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4118 }
4119 return 0;
4120 }
4121
4122 /* Note, that we are using BAP1 which is also used by transmit, so
4123 * we must get a lock. */
4124 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4125 {
4126 u16 status;
4127 int rc = SUCCESS;
4128
4129 if (lock) {
4130 if (down_interruptible(&ai->sem))
4131 return ERROR;
4132 }
4133 if (test_bit(FLAG_MPI,&ai->flags)) {
4134 Cmd cmd;
4135 Resp rsp;
4136
4137 memset(&cmd, 0, sizeof(cmd));
4138 memset(&rsp, 0, sizeof(rsp));
4139 ai->config_desc.rid_desc.valid = 1;
4140 ai->config_desc.rid_desc.len = RIDSIZE;
4141 ai->config_desc.rid_desc.rid = 0;
4142 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4143
4144 cmd.cmd = CMD_ACCESS;
4145 cmd.parm0 = rid;
4146
4147 memcpy_toio(ai->config_desc.card_ram_off,
4148 &ai->config_desc.rid_desc, sizeof(Rid));
4149
4150 rc = issuecommand(ai, &cmd, &rsp);
4151
4152 if (rsp.status & 0x7f00)
4153 rc = rsp.rsp0;
4154 if (!rc)
4155 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4156 goto done;
4157 } else {
4158 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4159 rc = status;
4160 goto done;
4161 }
4162 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4163 rc = ERROR;
4164 goto done;
4165 }
4166 // read the rid length field
4167 bap_read(ai, pBuf, 2, BAP1);
4168 // length for remaining part of rid
4169 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4170
4171 if ( len <= 2 ) {
4172 airo_print_err(ai->dev->name,
4173 "Rid %x has a length of %d which is too short",
4174 (int)rid, (int)len );
4175 rc = ERROR;
4176 goto done;
4177 }
4178 // read remainder of the rid
4179 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4180 }
4181 done:
4182 if (lock)
4183 up(&ai->sem);
4184 return rc;
4185 }
4186
4187 /* Note, that we are using BAP1 which is also used by transmit, so
4188 * make sure this isnt called when a transmit is happening */
4189 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4190 const void *pBuf, int len, int lock)
4191 {
4192 u16 status;
4193 int rc = SUCCESS;
4194
4195 *(__le16*)pBuf = cpu_to_le16((u16)len);
4196
4197 if (lock) {
4198 if (down_interruptible(&ai->sem))
4199 return ERROR;
4200 }
4201 if (test_bit(FLAG_MPI,&ai->flags)) {
4202 Cmd cmd;
4203 Resp rsp;
4204
4205 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4206 airo_print_err(ai->dev->name,
4207 "%s: MAC should be disabled (rid=%04x)",
4208 __func__, rid);
4209 memset(&cmd, 0, sizeof(cmd));
4210 memset(&rsp, 0, sizeof(rsp));
4211
4212 ai->config_desc.rid_desc.valid = 1;
4213 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4214 ai->config_desc.rid_desc.rid = 0;
4215
4216 cmd.cmd = CMD_WRITERID;
4217 cmd.parm0 = rid;
4218
4219 memcpy_toio(ai->config_desc.card_ram_off,
4220 &ai->config_desc.rid_desc, sizeof(Rid));
4221
4222 if (len < 4 || len > 2047) {
4223 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4224 rc = -1;
4225 } else {
4226 memcpy((char *)ai->config_desc.virtual_host_addr,
4227 pBuf, len);
4228
4229 rc = issuecommand(ai, &cmd, &rsp);
4230 if ((rc & 0xff00) != 0) {
4231 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4232 __func__, rc);
4233 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4234 __func__, cmd.cmd);
4235 }
4236
4237 if ((rsp.status & 0x7f00))
4238 rc = rsp.rsp0;
4239 }
4240 } else {
4241 // --- first access so that we can write the rid data
4242 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4243 rc = status;
4244 goto done;
4245 }
4246 // --- now write the rid data
4247 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4248 rc = ERROR;
4249 goto done;
4250 }
4251 bap_write(ai, pBuf, len, BAP1);
4252 // ---now commit the rid data
4253 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4254 }
4255 done:
4256 if (lock)
4257 up(&ai->sem);
4258 return rc;
4259 }
4260
4261 /* Allocates a FID to be used for transmitting packets. We only use
4262 one for now. */
4263 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4264 {
4265 unsigned int loop = 3000;
4266 Cmd cmd;
4267 Resp rsp;
4268 u16 txFid;
4269 __le16 txControl;
4270
4271 cmd.cmd = CMD_ALLOCATETX;
4272 cmd.parm0 = lenPayload;
4273 if (down_interruptible(&ai->sem))
4274 return ERROR;
4275 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4276 txFid = ERROR;
4277 goto done;
4278 }
4279 if ( (rsp.status & 0xFF00) != 0) {
4280 txFid = ERROR;
4281 goto done;
4282 }
4283 /* wait for the allocate event/indication
4284 * It makes me kind of nervous that this can just sit here and spin,
4285 * but in practice it only loops like four times. */
4286 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4287 if (!loop) {
4288 txFid = ERROR;
4289 goto done;
4290 }
4291
4292 // get the allocated fid and acknowledge
4293 txFid = IN4500(ai, TXALLOCFID);
4294 OUT4500(ai, EVACK, EV_ALLOC);
4295
4296 /* The CARD is pretty cool since it converts the ethernet packet
4297 * into 802.11. Also note that we don't release the FID since we
4298 * will be using the same one over and over again. */
4299 /* We only have to setup the control once since we are not
4300 * releasing the fid. */
4301 if (raw)
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 else
4305 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4306 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4307 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4308 txFid = ERROR;
4309 else
4310 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4311
4312 done:
4313 up(&ai->sem);
4314
4315 return txFid;
4316 }
4317
4318 /* In general BAP1 is dedicated to transmiting packets. However,
4319 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4320 Make sure the BAP1 spinlock is held when this is called. */
4321 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4322 {
4323 __le16 payloadLen;
4324 Cmd cmd;
4325 Resp rsp;
4326 int miclen = 0;
4327 u16 txFid = len;
4328 MICBuffer pMic;
4329
4330 len >>= 16;
4331
4332 if (len <= ETH_ALEN * 2) {
4333 airo_print_warn(ai->dev->name, "Short packet %d", len);
4334 return ERROR;
4335 }
4336 len -= ETH_ALEN * 2;
4337
4338 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4339 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4340 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4341 return ERROR;
4342 miclen = sizeof(pMic);
4343 }
4344 // packet is destination[6], source[6], payload[len-12]
4345 // write the payload length and dst/src/payload
4346 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4347 /* The hardware addresses aren't counted as part of the payload, so
4348 * we have to subtract the 12 bytes for the addresses off */
4349 payloadLen = cpu_to_le16(len + miclen);
4350 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4351 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4352 if (miclen)
4353 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4354 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4355 // issue the transmit command
4356 memset( &cmd, 0, sizeof( cmd ) );
4357 cmd.cmd = CMD_TRANSMIT;
4358 cmd.parm0 = txFid;
4359 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4360 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4361 return SUCCESS;
4362 }
4363
4364 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4365 {
4366 __le16 fc, payloadLen;
4367 Cmd cmd;
4368 Resp rsp;
4369 int hdrlen;
4370 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4371 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4372 u16 txFid = len;
4373 len >>= 16;
4374
4375 fc = *(__le16*)pPacket;
4376 hdrlen = header_len(fc);
4377
4378 if (len < hdrlen) {
4379 airo_print_warn(ai->dev->name, "Short packet %d", len);
4380 return ERROR;
4381 }
4382
4383 /* packet is 802.11 header + payload
4384 * write the payload length and dst/src/payload */
4385 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4386 /* The 802.11 header aren't counted as part of the payload, so
4387 * we have to subtract the header bytes off */
4388 payloadLen = cpu_to_le16(len-hdrlen);
4389 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4390 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4391 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4392 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4393
4394 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4395 // issue the transmit command
4396 memset( &cmd, 0, sizeof( cmd ) );
4397 cmd.cmd = CMD_TRANSMIT;
4398 cmd.parm0 = txFid;
4399 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4400 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4401 return SUCCESS;
4402 }
4403
4404 /*
4405 * This is the proc_fs routines. It is a bit messier than I would
4406 * like! Feel free to clean it up!
4407 */
4408
4409 static ssize_t proc_read( struct file *file,
4410 char __user *buffer,
4411 size_t len,
4412 loff_t *offset);
4413
4414 static ssize_t proc_write( struct file *file,
4415 const char __user *buffer,
4416 size_t len,
4417 loff_t *offset );
4418 static int proc_close( struct inode *inode, struct file *file );
4419
4420 static int proc_stats_open( struct inode *inode, struct file *file );
4421 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4422 static int proc_status_open( struct inode *inode, struct file *file );
4423 static int proc_SSID_open( struct inode *inode, struct file *file );
4424 static int proc_APList_open( struct inode *inode, struct file *file );
4425 static int proc_BSSList_open( struct inode *inode, struct file *file );
4426 static int proc_config_open( struct inode *inode, struct file *file );
4427 static int proc_wepkey_open( struct inode *inode, struct file *file );
4428
4429 static const struct file_operations proc_statsdelta_ops = {
4430 .owner = THIS_MODULE,
4431 .read = proc_read,
4432 .open = proc_statsdelta_open,
4433 .release = proc_close,
4434 .llseek = default_llseek,
4435 };
4436
4437 static const struct file_operations proc_stats_ops = {
4438 .owner = THIS_MODULE,
4439 .read = proc_read,
4440 .open = proc_stats_open,
4441 .release = proc_close,
4442 .llseek = default_llseek,
4443 };
4444
4445 static const struct file_operations proc_status_ops = {
4446 .owner = THIS_MODULE,
4447 .read = proc_read,
4448 .open = proc_status_open,
4449 .release = proc_close,
4450 .llseek = default_llseek,
4451 };
4452
4453 static const struct file_operations proc_SSID_ops = {
4454 .owner = THIS_MODULE,
4455 .read = proc_read,
4456 .write = proc_write,
4457 .open = proc_SSID_open,
4458 .release = proc_close,
4459 .llseek = default_llseek,
4460 };
4461
4462 static const struct file_operations proc_BSSList_ops = {
4463 .owner = THIS_MODULE,
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_BSSList_open,
4467 .release = proc_close,
4468 .llseek = default_llseek,
4469 };
4470
4471 static const struct file_operations proc_APList_ops = {
4472 .owner = THIS_MODULE,
4473 .read = proc_read,
4474 .write = proc_write,
4475 .open = proc_APList_open,
4476 .release = proc_close,
4477 .llseek = default_llseek,
4478 };
4479
4480 static const struct file_operations proc_config_ops = {
4481 .owner = THIS_MODULE,
4482 .read = proc_read,
4483 .write = proc_write,
4484 .open = proc_config_open,
4485 .release = proc_close,
4486 .llseek = default_llseek,
4487 };
4488
4489 static const struct file_operations proc_wepkey_ops = {
4490 .owner = THIS_MODULE,
4491 .read = proc_read,
4492 .write = proc_write,
4493 .open = proc_wepkey_open,
4494 .release = proc_close,
4495 .llseek = default_llseek,
4496 };
4497
4498 static struct proc_dir_entry *airo_entry;
4499
4500 struct proc_data {
4501 int release_buffer;
4502 int readlen;
4503 char *rbuffer;
4504 int writelen;
4505 int maxwritelen;
4506 char *wbuffer;
4507 void (*on_close) (struct inode *, struct file *);
4508 };
4509
4510 static int setup_proc_entry( struct net_device *dev,
4511 struct airo_info *apriv ) {
4512 struct proc_dir_entry *entry;
4513 /* First setup the device directory */
4514 strcpy(apriv->proc_name,dev->name);
4515 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4516 S_IFDIR|airo_perm,
4517 airo_entry);
4518 if (!apriv->proc_entry)
4519 goto fail;
4520 apriv->proc_entry->uid = proc_uid;
4521 apriv->proc_entry->gid = proc_gid;
4522
4523 /* Setup the StatsDelta */
4524 entry = proc_create_data("StatsDelta",
4525 S_IFREG | (S_IRUGO&proc_perm),
4526 apriv->proc_entry, &proc_statsdelta_ops, dev);
4527 if (!entry)
4528 goto fail_stats_delta;
4529 entry->uid = proc_uid;
4530 entry->gid = proc_gid;
4531
4532 /* Setup the Stats */
4533 entry = proc_create_data("Stats",
4534 S_IFREG | (S_IRUGO&proc_perm),
4535 apriv->proc_entry, &proc_stats_ops, dev);
4536 if (!entry)
4537 goto fail_stats;
4538 entry->uid = proc_uid;
4539 entry->gid = proc_gid;
4540
4541 /* Setup the Status */
4542 entry = proc_create_data("Status",
4543 S_IFREG | (S_IRUGO&proc_perm),
4544 apriv->proc_entry, &proc_status_ops, dev);
4545 if (!entry)
4546 goto fail_status;
4547 entry->uid = proc_uid;
4548 entry->gid = proc_gid;
4549
4550 /* Setup the Config */
4551 entry = proc_create_data("Config",
4552 S_IFREG | proc_perm,
4553 apriv->proc_entry, &proc_config_ops, dev);
4554 if (!entry)
4555 goto fail_config;
4556 entry->uid = proc_uid;
4557 entry->gid = proc_gid;
4558
4559 /* Setup the SSID */
4560 entry = proc_create_data("SSID",
4561 S_IFREG | proc_perm,
4562 apriv->proc_entry, &proc_SSID_ops, dev);
4563 if (!entry)
4564 goto fail_ssid;
4565 entry->uid = proc_uid;
4566 entry->gid = proc_gid;
4567
4568 /* Setup the APList */
4569 entry = proc_create_data("APList",
4570 S_IFREG | proc_perm,
4571 apriv->proc_entry, &proc_APList_ops, dev);
4572 if (!entry)
4573 goto fail_aplist;
4574 entry->uid = proc_uid;
4575 entry->gid = proc_gid;
4576
4577 /* Setup the BSSList */
4578 entry = proc_create_data("BSSList",
4579 S_IFREG | proc_perm,
4580 apriv->proc_entry, &proc_BSSList_ops, dev);
4581 if (!entry)
4582 goto fail_bsslist;
4583 entry->uid = proc_uid;
4584 entry->gid = proc_gid;
4585
4586 /* Setup the WepKey */
4587 entry = proc_create_data("WepKey",
4588 S_IFREG | proc_perm,
4589 apriv->proc_entry, &proc_wepkey_ops, dev);
4590 if (!entry)
4591 goto fail_wepkey;
4592 entry->uid = proc_uid;
4593 entry->gid = proc_gid;
4594
4595 return 0;
4596
4597 fail_wepkey:
4598 remove_proc_entry("BSSList", apriv->proc_entry);
4599 fail_bsslist:
4600 remove_proc_entry("APList", apriv->proc_entry);
4601 fail_aplist:
4602 remove_proc_entry("SSID", apriv->proc_entry);
4603 fail_ssid:
4604 remove_proc_entry("Config", apriv->proc_entry);
4605 fail_config:
4606 remove_proc_entry("Status", apriv->proc_entry);
4607 fail_status:
4608 remove_proc_entry("Stats", apriv->proc_entry);
4609 fail_stats:
4610 remove_proc_entry("StatsDelta", apriv->proc_entry);
4611 fail_stats_delta:
4612 remove_proc_entry(apriv->proc_name, airo_entry);
4613 fail:
4614 return -ENOMEM;
4615 }
4616
4617 static int takedown_proc_entry( struct net_device *dev,
4618 struct airo_info *apriv ) {
4619 if ( !apriv->proc_entry->namelen ) return 0;
4620 remove_proc_entry("Stats",apriv->proc_entry);
4621 remove_proc_entry("StatsDelta",apriv->proc_entry);
4622 remove_proc_entry("Status",apriv->proc_entry);
4623 remove_proc_entry("Config",apriv->proc_entry);
4624 remove_proc_entry("SSID",apriv->proc_entry);
4625 remove_proc_entry("APList",apriv->proc_entry);
4626 remove_proc_entry("BSSList",apriv->proc_entry);
4627 remove_proc_entry("WepKey",apriv->proc_entry);
4628 remove_proc_entry(apriv->proc_name,airo_entry);
4629 return 0;
4630 }
4631
4632 /*
4633 * What we want from the proc_fs is to be able to efficiently read
4634 * and write the configuration. To do this, we want to read the
4635 * configuration when the file is opened and write it when the file is
4636 * closed. So basically we allocate a read buffer at open and fill it
4637 * with data, and allocate a write buffer and read it at close.
4638 */
4639
4640 /*
4641 * The read routine is generic, it relies on the preallocated rbuffer
4642 * to supply the data.
4643 */
4644 static ssize_t proc_read( struct file *file,
4645 char __user *buffer,
4646 size_t len,
4647 loff_t *offset )
4648 {
4649 struct proc_data *priv = file->private_data;
4650
4651 if (!priv->rbuffer)
4652 return -EINVAL;
4653
4654 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4655 priv->readlen);
4656 }
4657
4658 /*
4659 * The write routine is generic, it fills in a preallocated rbuffer
4660 * to supply the data.
4661 */
4662 static ssize_t proc_write( struct file *file,
4663 const char __user *buffer,
4664 size_t len,
4665 loff_t *offset )
4666 {
4667 loff_t pos = *offset;
4668 struct proc_data *priv = file->private_data;
4669
4670 if (!priv->wbuffer)
4671 return -EINVAL;
4672
4673 if (pos < 0)
4674 return -EINVAL;
4675 if (pos >= priv->maxwritelen)
4676 return 0;
4677 if (len > priv->maxwritelen - pos)
4678 len = priv->maxwritelen - pos;
4679 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4680 return -EFAULT;
4681 if ( pos + len > priv->writelen )
4682 priv->writelen = len + file->f_pos;
4683 *offset = pos + len;
4684 return len;
4685 }
4686
4687 static int proc_status_open(struct inode *inode, struct file *file)
4688 {
4689 struct proc_data *data;
4690 struct proc_dir_entry *dp = PDE(inode);
4691 struct net_device *dev = dp->data;
4692 struct airo_info *apriv = dev->ml_priv;
4693 CapabilityRid cap_rid;
4694 StatusRid status_rid;
4695 u16 mode;
4696 int i;
4697
4698 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4699 return -ENOMEM;
4700 data = file->private_data;
4701 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4702 kfree (file->private_data);
4703 return -ENOMEM;
4704 }
4705
4706 readStatusRid(apriv, &status_rid, 1);
4707 readCapabilityRid(apriv, &cap_rid, 1);
4708
4709 mode = le16_to_cpu(status_rid.mode);
4710
4711 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4712 mode & 1 ? "CFG ": "",
4713 mode & 2 ? "ACT ": "",
4714 mode & 0x10 ? "SYN ": "",
4715 mode & 0x20 ? "LNK ": "",
4716 mode & 0x40 ? "LEAP ": "",
4717 mode & 0x80 ? "PRIV ": "",
4718 mode & 0x100 ? "KEY ": "",
4719 mode & 0x200 ? "WEP ": "",
4720 mode & 0x8000 ? "ERR ": "");
4721 sprintf( data->rbuffer+i, "Mode: %x\n"
4722 "Signal Strength: %d\n"
4723 "Signal Quality: %d\n"
4724 "SSID: %-.*s\n"
4725 "AP: %-.16s\n"
4726 "Freq: %d\n"
4727 "BitRate: %dmbs\n"
4728 "Driver Version: %s\n"
4729 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4730 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4731 "Software Version: %x\nSoftware Subversion: %x\n"
4732 "Boot block version: %x\n",
4733 le16_to_cpu(status_rid.mode),
4734 le16_to_cpu(status_rid.normalizedSignalStrength),
4735 le16_to_cpu(status_rid.signalQuality),
4736 le16_to_cpu(status_rid.SSIDlen),
4737 status_rid.SSID,
4738 status_rid.apName,
4739 le16_to_cpu(status_rid.channel),
4740 le16_to_cpu(status_rid.currentXmitRate) / 2,
4741 version,
4742 cap_rid.prodName,
4743 cap_rid.manName,
4744 cap_rid.prodVer,
4745 le16_to_cpu(cap_rid.radioType),
4746 le16_to_cpu(cap_rid.country),
4747 le16_to_cpu(cap_rid.hardVer),
4748 le16_to_cpu(cap_rid.softVer),
4749 le16_to_cpu(cap_rid.softSubVer),
4750 le16_to_cpu(cap_rid.bootBlockVer));
4751 data->readlen = strlen( data->rbuffer );
4752 return 0;
4753 }
4754
4755 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4756 static int proc_statsdelta_open( struct inode *inode,
4757 struct file *file ) {
4758 if (file->f_mode&FMODE_WRITE) {
4759 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4760 }
4761 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4762 }
4763
4764 static int proc_stats_open( struct inode *inode, struct file *file ) {
4765 return proc_stats_rid_open(inode, file, RID_STATS);
4766 }
4767
4768 static int proc_stats_rid_open( struct inode *inode,
4769 struct file *file,
4770 u16 rid )
4771 {
4772 struct proc_data *data;
4773 struct proc_dir_entry *dp = PDE(inode);
4774 struct net_device *dev = dp->data;
4775 struct airo_info *apriv = dev->ml_priv;
4776 StatsRid stats;
4777 int i, j;
4778 __le32 *vals = stats.vals;
4779 int len;
4780
4781 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4782 return -ENOMEM;
4783 data = file->private_data;
4784 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4785 kfree (file->private_data);
4786 return -ENOMEM;
4787 }
4788
4789 readStatsRid(apriv, &stats, rid, 1);
4790 len = le16_to_cpu(stats.len);
4791
4792 j = 0;
4793 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4794 if (!statsLabels[i]) continue;
4795 if (j+strlen(statsLabels[i])+16>4096) {
4796 airo_print_warn(apriv->dev->name,
4797 "Potentially disasterous buffer overflow averted!");
4798 break;
4799 }
4800 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4801 le32_to_cpu(vals[i]));
4802 }
4803 if (i*4 >= len) {
4804 airo_print_warn(apriv->dev->name, "Got a short rid");
4805 }
4806 data->readlen = j;
4807 return 0;
4808 }
4809
4810 static int get_dec_u16( char *buffer, int *start, int limit ) {
4811 u16 value;
4812 int valid = 0;
4813 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4814 buffer[*start] <= '9'; (*start)++) {
4815 valid = 1;
4816 value *= 10;
4817 value += buffer[*start] - '0';
4818 }
4819 if ( !valid ) return -1;
4820 return value;
4821 }
4822
4823 static int airo_config_commit(struct net_device *dev,
4824 struct iw_request_info *info, void *zwrq,
4825 char *extra);
4826
4827 static inline int sniffing_mode(struct airo_info *ai)
4828 {
4829 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4830 le16_to_cpu(RXMODE_RFMON);
4831 }
4832
4833 static void proc_config_on_close(struct inode *inode, struct file *file)
4834 {
4835 struct proc_data *data = file->private_data;
4836 struct proc_dir_entry *dp = PDE(inode);
4837 struct net_device *dev = dp->data;
4838 struct airo_info *ai = dev->ml_priv;
4839 char *line;
4840
4841 if ( !data->writelen ) return;
4842
4843 readConfigRid(ai, 1);
4844 set_bit (FLAG_COMMIT, &ai->flags);
4845
4846 line = data->wbuffer;
4847 while( line[0] ) {
4848 /*** Mode processing */
4849 if ( !strncmp( line, "Mode: ", 6 ) ) {
4850 line += 6;
4851 if (sniffing_mode(ai))
4852 set_bit (FLAG_RESET, &ai->flags);
4853 ai->config.rmode &= ~RXMODE_FULL_MASK;
4854 clear_bit (FLAG_802_11, &ai->flags);
4855 ai->config.opmode &= ~MODE_CFG_MASK;
4856 ai->config.scanMode = SCANMODE_ACTIVE;
4857 if ( line[0] == 'a' ) {
4858 ai->config.opmode |= MODE_STA_IBSS;
4859 } else {
4860 ai->config.opmode |= MODE_STA_ESS;
4861 if ( line[0] == 'r' ) {
4862 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4863 ai->config.scanMode = SCANMODE_PASSIVE;
4864 set_bit (FLAG_802_11, &ai->flags);
4865 } else if ( line[0] == 'y' ) {
4866 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4867 ai->config.scanMode = SCANMODE_PASSIVE;
4868 set_bit (FLAG_802_11, &ai->flags);
4869 } else if ( line[0] == 'l' )
4870 ai->config.rmode |= RXMODE_LANMON;
4871 }
4872 set_bit (FLAG_COMMIT, &ai->flags);
4873 }
4874
4875 /*** Radio status */
4876 else if (!strncmp(line,"Radio: ", 7)) {
4877 line += 7;
4878 if (!strncmp(line,"off",3)) {
4879 set_bit (FLAG_RADIO_OFF, &ai->flags);
4880 } else {
4881 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4882 }
4883 }
4884 /*** NodeName processing */
4885 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4886 int j;
4887
4888 line += 10;
4889 memset( ai->config.nodeName, 0, 16 );
4890 /* Do the name, assume a space between the mode and node name */
4891 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4892 ai->config.nodeName[j] = line[j];
4893 }
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 }
4896
4897 /*** PowerMode processing */
4898 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4899 line += 11;
4900 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4901 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4902 set_bit (FLAG_COMMIT, &ai->flags);
4903 } else if ( !strncmp( line, "PSP", 3 ) ) {
4904 ai->config.powerSaveMode = POWERSAVE_PSP;
4905 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else {
4907 ai->config.powerSaveMode = POWERSAVE_CAM;
4908 set_bit (FLAG_COMMIT, &ai->flags);
4909 }
4910 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4911 int v, i = 0, k = 0; /* i is index into line,
4912 k is index to rates */
4913
4914 line += 11;
4915 while((v = get_dec_u16(line, &i, 3))!=-1) {
4916 ai->config.rates[k++] = (u8)v;
4917 line += i + 1;
4918 i = 0;
4919 }
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4922 int v, i = 0;
4923 line += 9;
4924 v = get_dec_u16(line, &i, i+3);
4925 if ( v != -1 ) {
4926 ai->config.channelSet = cpu_to_le16(v);
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 }
4929 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4930 int v, i = 0;
4931 line += 11;
4932 v = get_dec_u16(line, &i, i+3);
4933 if ( v != -1 ) {
4934 ai->config.txPower = cpu_to_le16(v);
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 }
4937 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4938 line += 5;
4939 switch( line[0] ) {
4940 case 's':
4941 ai->config.authType = AUTH_SHAREDKEY;
4942 break;
4943 case 'e':
4944 ai->config.authType = AUTH_ENCRYPT;
4945 break;
4946 default:
4947 ai->config.authType = AUTH_OPEN;
4948 break;
4949 }
4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4952 int v, i = 0;
4953
4954 line += 16;
4955 v = get_dec_u16(line, &i, 3);
4956 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4957 ai->config.longRetryLimit = cpu_to_le16(v);
4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4960 int v, i = 0;
4961
4962 line += 17;
4963 v = get_dec_u16(line, &i, 3);
4964 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4965 ai->config.shortRetryLimit = cpu_to_le16(v);
4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4968 int v, i = 0;
4969
4970 line += 14;
4971 v = get_dec_u16(line, &i, 4);
4972 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4973 ai->config.rtsThres = cpu_to_le16(v);
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4976 int v, i = 0;
4977
4978 line += 16;
4979 v = get_dec_u16(line, &i, 5);
4980 v = (v<0) ? 0 : v;
4981 ai->config.txLifetime = cpu_to_le16(v);
4982 set_bit (FLAG_COMMIT, &ai->flags);
4983 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4984 int v, i = 0;
4985
4986 line += 16;
4987 v = get_dec_u16(line, &i, 5);
4988 v = (v<0) ? 0 : v;
4989 ai->config.rxLifetime = cpu_to_le16(v);
4990 set_bit (FLAG_COMMIT, &ai->flags);
4991 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4992 ai->config.txDiversity =
4993 (line[13]=='l') ? 1 :
4994 ((line[13]=='r')? 2: 3);
4995 set_bit (FLAG_COMMIT, &ai->flags);
4996 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4997 ai->config.rxDiversity =
4998 (line[13]=='l') ? 1 :
4999 ((line[13]=='r')? 2: 3);
5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5002 int v, i = 0;
5003
5004 line += 15;
5005 v = get_dec_u16(line, &i, 4);
5006 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5007 v = v & 0xfffe; /* Make sure its even */
5008 ai->config.fragThresh = cpu_to_le16(v);
5009 set_bit (FLAG_COMMIT, &ai->flags);
5010 } else if (!strncmp(line, "Modulation: ", 12)) {
5011 line += 12;
5012 switch(*line) {
5013 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5014 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5015 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5016 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5017 }
5018 } else if (!strncmp(line, "Preamble: ", 10)) {
5019 line += 10;
5020 switch(*line) {
5021 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5022 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5023 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5024 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5025 }
5026 } else {
5027 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5028 }
5029 while( line[0] && line[0] != '\n' ) line++;
5030 if ( line[0] ) line++;
5031 }
5032 airo_config_commit(dev, NULL, NULL, NULL);
5033 }
5034
5035 static char *get_rmode(__le16 mode)
5036 {
5037 switch(mode & RXMODE_MASK) {
5038 case RXMODE_RFMON: return "rfmon";
5039 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5040 case RXMODE_LANMON: return "lanmon";
5041 }
5042 return "ESS";
5043 }
5044
5045 static int proc_config_open(struct inode *inode, struct file *file)
5046 {
5047 struct proc_data *data;
5048 struct proc_dir_entry *dp = PDE(inode);
5049 struct net_device *dev = dp->data;
5050 struct airo_info *ai = dev->ml_priv;
5051 int i;
5052 __le16 mode;
5053
5054 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5055 return -ENOMEM;
5056 data = file->private_data;
5057 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5058 kfree (file->private_data);
5059 return -ENOMEM;
5060 }
5061 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5062 kfree (data->rbuffer);
5063 kfree (file->private_data);
5064 return -ENOMEM;
5065 }
5066 data->maxwritelen = 2048;
5067 data->on_close = proc_config_on_close;
5068
5069 readConfigRid(ai, 1);
5070
5071 mode = ai->config.opmode & MODE_CFG_MASK;
5072 i = sprintf( data->rbuffer,
5073 "Mode: %s\n"
5074 "Radio: %s\n"
5075 "NodeName: %-16s\n"
5076 "PowerMode: %s\n"
5077 "DataRates: %d %d %d %d %d %d %d %d\n"
5078 "Channel: %d\n"
5079 "XmitPower: %d\n",
5080 mode == MODE_STA_IBSS ? "adhoc" :
5081 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5082 mode == MODE_AP ? "AP" :
5083 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5084 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5085 ai->config.nodeName,
5086 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5087 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5088 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5089 "Error",
5090 (int)ai->config.rates[0],
5091 (int)ai->config.rates[1],
5092 (int)ai->config.rates[2],
5093 (int)ai->config.rates[3],
5094 (int)ai->config.rates[4],
5095 (int)ai->config.rates[5],
5096 (int)ai->config.rates[6],
5097 (int)ai->config.rates[7],
5098 le16_to_cpu(ai->config.channelSet),
5099 le16_to_cpu(ai->config.txPower)
5100 );
5101 sprintf( data->rbuffer + i,
5102 "LongRetryLimit: %d\n"
5103 "ShortRetryLimit: %d\n"
5104 "RTSThreshold: %d\n"
5105 "TXMSDULifetime: %d\n"
5106 "RXMSDULifetime: %d\n"
5107 "TXDiversity: %s\n"
5108 "RXDiversity: %s\n"
5109 "FragThreshold: %d\n"
5110 "WEP: %s\n"
5111 "Modulation: %s\n"
5112 "Preamble: %s\n",
5113 le16_to_cpu(ai->config.longRetryLimit),
5114 le16_to_cpu(ai->config.shortRetryLimit),
5115 le16_to_cpu(ai->config.rtsThres),
5116 le16_to_cpu(ai->config.txLifetime),
5117 le16_to_cpu(ai->config.rxLifetime),
5118 ai->config.txDiversity == 1 ? "left" :
5119 ai->config.txDiversity == 2 ? "right" : "both",
5120 ai->config.rxDiversity == 1 ? "left" :
5121 ai->config.rxDiversity == 2 ? "right" : "both",
5122 le16_to_cpu(ai->config.fragThresh),
5123 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5124 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5125 ai->config.modulation == MOD_DEFAULT ? "default" :
5126 ai->config.modulation == MOD_CCK ? "cck" :
5127 ai->config.modulation == MOD_MOK ? "mok" : "error",
5128 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5129 ai->config.preamble == PREAMBLE_LONG ? "long" :
5130 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5131 );
5132 data->readlen = strlen( data->rbuffer );
5133 return 0;
5134 }
5135
5136 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5137 {
5138 struct proc_data *data = file->private_data;
5139 struct proc_dir_entry *dp = PDE(inode);
5140 struct net_device *dev = dp->data;
5141 struct airo_info *ai = dev->ml_priv;
5142 SsidRid SSID_rid;
5143 int i;
5144 char *p = data->wbuffer;
5145 char *end = p + data->writelen;
5146
5147 if (!data->writelen)
5148 return;
5149
5150 *end = '\n'; /* sentinel; we have space for it */
5151
5152 memset(&SSID_rid, 0, sizeof(SSID_rid));
5153
5154 for (i = 0; i < 3 && p < end; i++) {
5155 int j = 0;
5156 /* copy up to 32 characters from this line */
5157 while (*p != '\n' && j < 32)
5158 SSID_rid.ssids[i].ssid[j++] = *p++;
5159 if (j == 0)
5160 break;
5161 SSID_rid.ssids[i].len = cpu_to_le16(j);
5162 /* skip to the beginning of the next line */
5163 while (*p++ != '\n')
5164 ;
5165 }
5166 if (i)
5167 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5168 disable_MAC(ai, 1);
5169 writeSsidRid(ai, &SSID_rid, 1);
5170 enable_MAC(ai, 1);
5171 }
5172
5173 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5174 struct proc_data *data = file->private_data;
5175 struct proc_dir_entry *dp = PDE(inode);
5176 struct net_device *dev = dp->data;
5177 struct airo_info *ai = dev->ml_priv;
5178 APListRid APList_rid;
5179 int i;
5180
5181 if ( !data->writelen ) return;
5182
5183 memset( &APList_rid, 0, sizeof(APList_rid) );
5184 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5185
5186 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5187 int j;
5188 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5189 switch(j%3) {
5190 case 0:
5191 APList_rid.ap[i][j/3]=
5192 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5193 break;
5194 case 1:
5195 APList_rid.ap[i][j/3]|=
5196 hex_to_bin(data->wbuffer[j+i*6*3]);
5197 break;
5198 }
5199 }
5200 }
5201 disable_MAC(ai, 1);
5202 writeAPListRid(ai, &APList_rid, 1);
5203 enable_MAC(ai, 1);
5204 }
5205
5206 /* This function wraps PC4500_writerid with a MAC disable */
5207 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5208 int len, int dummy ) {
5209 int rc;
5210
5211 disable_MAC(ai, 1);
5212 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5213 enable_MAC(ai, 1);
5214 return rc;
5215 }
5216
5217 /* Returns the WEP key at the specified index, or -1 if that key does
5218 * not exist. The buffer is assumed to be at least 16 bytes in length.
5219 */
5220 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5221 {
5222 WepKeyRid wkr;
5223 int rc;
5224 __le16 lastindex;
5225
5226 rc = readWepKeyRid(ai, &wkr, 1, 1);
5227 if (rc != SUCCESS)
5228 return -1;
5229 do {
5230 lastindex = wkr.kindex;
5231 if (le16_to_cpu(wkr.kindex) == index) {
5232 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5233 memcpy(buf, wkr.key, klen);
5234 return klen;
5235 }
5236 rc = readWepKeyRid(ai, &wkr, 0, 1);
5237 if (rc != SUCCESS)
5238 return -1;
5239 } while (lastindex != wkr.kindex);
5240 return -1;
5241 }
5242
5243 static int get_wep_tx_idx(struct airo_info *ai)
5244 {
5245 WepKeyRid wkr;
5246 int rc;
5247 __le16 lastindex;
5248
5249 rc = readWepKeyRid(ai, &wkr, 1, 1);
5250 if (rc != SUCCESS)
5251 return -1;
5252 do {
5253 lastindex = wkr.kindex;
5254 if (wkr.kindex == cpu_to_le16(0xffff))
5255 return wkr.mac[0];
5256 rc = readWepKeyRid(ai, &wkr, 0, 1);
5257 if (rc != SUCCESS)
5258 return -1;
5259 } while (lastindex != wkr.kindex);
5260 return -1;
5261 }
5262
5263 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5264 u16 keylen, int perm, int lock)
5265 {
5266 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5267 WepKeyRid wkr;
5268 int rc;
5269
5270 if (WARN_ON(keylen == 0))
5271 return -1;
5272
5273 memset(&wkr, 0, sizeof(wkr));
5274 wkr.len = cpu_to_le16(sizeof(wkr));
5275 wkr.kindex = cpu_to_le16(index);
5276 wkr.klen = cpu_to_le16(keylen);
5277 memcpy(wkr.key, key, keylen);
5278 memcpy(wkr.mac, macaddr, ETH_ALEN);
5279
5280 if (perm) disable_MAC(ai, lock);
5281 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5282 if (perm) enable_MAC(ai, lock);
5283 return rc;
5284 }
5285
5286 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5287 {
5288 WepKeyRid wkr;
5289 int rc;
5290
5291 memset(&wkr, 0, sizeof(wkr));
5292 wkr.len = cpu_to_le16(sizeof(wkr));
5293 wkr.kindex = cpu_to_le16(0xffff);
5294 wkr.mac[0] = (char)index;
5295
5296 if (perm) {
5297 ai->defindex = (char)index;
5298 disable_MAC(ai, lock);
5299 }
5300
5301 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5302
5303 if (perm)
5304 enable_MAC(ai, lock);
5305 return rc;
5306 }
5307
5308 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5309 struct proc_data *data;
5310 struct proc_dir_entry *dp = PDE(inode);
5311 struct net_device *dev = dp->data;
5312 struct airo_info *ai = dev->ml_priv;
5313 int i, rc;
5314 char key[16];
5315 u16 index = 0;
5316 int j = 0;
5317
5318 memset(key, 0, sizeof(key));
5319
5320 data = file->private_data;
5321 if ( !data->writelen ) return;
5322
5323 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5324 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5325 index = data->wbuffer[0] - '0';
5326 if (data->wbuffer[1] == '\n') {
5327 rc = set_wep_tx_idx(ai, index, 1, 1);
5328 if (rc < 0) {
5329 airo_print_err(ai->dev->name, "failed to set "
5330 "WEP transmit index to %d: %d.",
5331 index, rc);
5332 }
5333 return;
5334 }
5335 j = 2;
5336 } else {
5337 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5338 return;
5339 }
5340
5341 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5342 switch(i%3) {
5343 case 0:
5344 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5345 break;
5346 case 1:
5347 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5348 break;
5349 }
5350 }
5351
5352 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5353 if (rc < 0) {
5354 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5355 "%d: %d.", index, rc);
5356 }
5357 }
5358
5359 static int proc_wepkey_open( struct inode *inode, struct file *file )
5360 {
5361 struct proc_data *data;
5362 struct proc_dir_entry *dp = PDE(inode);
5363 struct net_device *dev = dp->data;
5364 struct airo_info *ai = dev->ml_priv;
5365 char *ptr;
5366 WepKeyRid wkr;
5367 __le16 lastindex;
5368 int j=0;
5369 int rc;
5370
5371 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5372 return -ENOMEM;
5373 memset(&wkr, 0, sizeof(wkr));
5374 data = file->private_data;
5375 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5376 kfree (file->private_data);
5377 return -ENOMEM;
5378 }
5379 data->writelen = 0;
5380 data->maxwritelen = 80;
5381 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5382 kfree (data->rbuffer);
5383 kfree (file->private_data);
5384 return -ENOMEM;
5385 }
5386 data->on_close = proc_wepkey_on_close;
5387
5388 ptr = data->rbuffer;
5389 strcpy(ptr, "No wep keys\n");
5390 rc = readWepKeyRid(ai, &wkr, 1, 1);
5391 if (rc == SUCCESS) do {
5392 lastindex = wkr.kindex;
5393 if (wkr.kindex == cpu_to_le16(0xffff)) {
5394 j += sprintf(ptr+j, "Tx key = %d\n",
5395 (int)wkr.mac[0]);
5396 } else {
5397 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5398 le16_to_cpu(wkr.kindex),
5399 le16_to_cpu(wkr.klen));
5400 }
5401 readWepKeyRid(ai, &wkr, 0, 1);
5402 } while((lastindex != wkr.kindex) && (j < 180-30));
5403
5404 data->readlen = strlen( data->rbuffer );
5405 return 0;
5406 }
5407
5408 static int proc_SSID_open(struct inode *inode, struct file *file)
5409 {
5410 struct proc_data *data;
5411 struct proc_dir_entry *dp = PDE(inode);
5412 struct net_device *dev = dp->data;
5413 struct airo_info *ai = dev->ml_priv;
5414 int i;
5415 char *ptr;
5416 SsidRid SSID_rid;
5417
5418 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5419 return -ENOMEM;
5420 data = file->private_data;
5421 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5422 kfree (file->private_data);
5423 return -ENOMEM;
5424 }
5425 data->writelen = 0;
5426 data->maxwritelen = 33*3;
5427 /* allocate maxwritelen + 1; we'll want a sentinel */
5428 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5429 kfree (data->rbuffer);
5430 kfree (file->private_data);
5431 return -ENOMEM;
5432 }
5433 data->on_close = proc_SSID_on_close;
5434
5435 readSsidRid(ai, &SSID_rid);
5436 ptr = data->rbuffer;
5437 for (i = 0; i < 3; i++) {
5438 int j;
5439 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5440 if (!len)
5441 break;
5442 if (len > 32)
5443 len = 32;
5444 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5445 *ptr++ = SSID_rid.ssids[i].ssid[j];
5446 *ptr++ = '\n';
5447 }
5448 *ptr = '\0';
5449 data->readlen = strlen( data->rbuffer );
5450 return 0;
5451 }
5452
5453 static int proc_APList_open( struct inode *inode, struct file *file ) {
5454 struct proc_data *data;
5455 struct proc_dir_entry *dp = PDE(inode);
5456 struct net_device *dev = dp->data;
5457 struct airo_info *ai = dev->ml_priv;
5458 int i;
5459 char *ptr;
5460 APListRid APList_rid;
5461
5462 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5463 return -ENOMEM;
5464 data = file->private_data;
5465 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5466 kfree (file->private_data);
5467 return -ENOMEM;
5468 }
5469 data->writelen = 0;
5470 data->maxwritelen = 4*6*3;
5471 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5472 kfree (data->rbuffer);
5473 kfree (file->private_data);
5474 return -ENOMEM;
5475 }
5476 data->on_close = proc_APList_on_close;
5477
5478 readAPListRid(ai, &APList_rid);
5479 ptr = data->rbuffer;
5480 for( i = 0; i < 4; i++ ) {
5481 // We end when we find a zero MAC
5482 if ( !*(int*)APList_rid.ap[i] &&
5483 !*(int*)&APList_rid.ap[i][2]) break;
5484 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5485 }
5486 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5487
5488 *ptr = '\0';
5489 data->readlen = strlen( data->rbuffer );
5490 return 0;
5491 }
5492
5493 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5494 struct proc_data *data;
5495 struct proc_dir_entry *dp = PDE(inode);
5496 struct net_device *dev = dp->data;
5497 struct airo_info *ai = dev->ml_priv;
5498 char *ptr;
5499 BSSListRid BSSList_rid;
5500 int rc;
5501 /* If doLoseSync is not 1, we won't do a Lose Sync */
5502 int doLoseSync = -1;
5503
5504 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5505 return -ENOMEM;
5506 data = file->private_data;
5507 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5508 kfree (file->private_data);
5509 return -ENOMEM;
5510 }
5511 data->writelen = 0;
5512 data->maxwritelen = 0;
5513 data->wbuffer = NULL;
5514 data->on_close = NULL;
5515
5516 if (file->f_mode & FMODE_WRITE) {
5517 if (!(file->f_mode & FMODE_READ)) {
5518 Cmd cmd;
5519 Resp rsp;
5520
5521 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5522 memset(&cmd, 0, sizeof(cmd));
5523 cmd.cmd=CMD_LISTBSS;
5524 if (down_interruptible(&ai->sem))
5525 return -ERESTARTSYS;
5526 issuecommand(ai, &cmd, &rsp);
5527 up(&ai->sem);
5528 data->readlen = 0;
5529 return 0;
5530 }
5531 doLoseSync = 1;
5532 }
5533 ptr = data->rbuffer;
5534 /* There is a race condition here if there are concurrent opens.
5535 Since it is a rare condition, we'll just live with it, otherwise
5536 we have to add a spin lock... */
5537 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5538 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5539 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5540 BSSList_rid.bssid,
5541 (int)BSSList_rid.ssidLen,
5542 BSSList_rid.ssid,
5543 le16_to_cpu(BSSList_rid.dBm));
5544 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5545 le16_to_cpu(BSSList_rid.dsChannel),
5546 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5547 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5548 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5549 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5550 rc = readBSSListRid(ai, 0, &BSSList_rid);
5551 }
5552 *ptr = '\0';
5553 data->readlen = strlen( data->rbuffer );
5554 return 0;
5555 }
5556
5557 static int proc_close( struct inode *inode, struct file *file )
5558 {
5559 struct proc_data *data = file->private_data;
5560
5561 if (data->on_close != NULL)
5562 data->on_close(inode, file);
5563 kfree(data->rbuffer);
5564 kfree(data->wbuffer);
5565 kfree(data);
5566 return 0;
5567 }
5568
5569 /* Since the card doesn't automatically switch to the right WEP mode,
5570 we will make it do it. If the card isn't associated, every secs we
5571 will switch WEP modes to see if that will help. If the card is
5572 associated we will check every minute to see if anything has
5573 changed. */
5574 static void timer_func( struct net_device *dev ) {
5575 struct airo_info *apriv = dev->ml_priv;
5576
5577 /* We don't have a link so try changing the authtype */
5578 readConfigRid(apriv, 0);
5579 disable_MAC(apriv, 0);
5580 switch(apriv->config.authType) {
5581 case AUTH_ENCRYPT:
5582 /* So drop to OPEN */
5583 apriv->config.authType = AUTH_OPEN;
5584 break;
5585 case AUTH_SHAREDKEY:
5586 if (apriv->keyindex < auto_wep) {
5587 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5588 apriv->config.authType = AUTH_SHAREDKEY;
5589 apriv->keyindex++;
5590 } else {
5591 /* Drop to ENCRYPT */
5592 apriv->keyindex = 0;
5593 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5594 apriv->config.authType = AUTH_ENCRYPT;
5595 }
5596 break;
5597 default: /* We'll escalate to SHAREDKEY */
5598 apriv->config.authType = AUTH_SHAREDKEY;
5599 }
5600 set_bit (FLAG_COMMIT, &apriv->flags);
5601 writeConfigRid(apriv, 0);
5602 enable_MAC(apriv, 0);
5603 up(&apriv->sem);
5604
5605 /* Schedule check to see if the change worked */
5606 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5607 apriv->expires = RUN_AT(HZ*3);
5608 }
5609
5610 #ifdef CONFIG_PCI
5611 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5612 const struct pci_device_id *pent)
5613 {
5614 struct net_device *dev;
5615
5616 if (pci_enable_device(pdev))
5617 return -ENODEV;
5618 pci_set_master(pdev);
5619
5620 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5621 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5622 else
5623 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5624 if (!dev) {
5625 pci_disable_device(pdev);
5626 return -ENODEV;
5627 }
5628
5629 pci_set_drvdata(pdev, dev);
5630 return 0;
5631 }
5632
5633 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5634 {
5635 struct net_device *dev = pci_get_drvdata(pdev);
5636
5637 airo_print_info(dev->name, "Unregistering...");
5638 stop_airo_card(dev, 1);
5639 pci_disable_device(pdev);
5640 pci_set_drvdata(pdev, NULL);
5641 }
5642
5643 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5644 {
5645 struct net_device *dev = pci_get_drvdata(pdev);
5646 struct airo_info *ai = dev->ml_priv;
5647 Cmd cmd;
5648 Resp rsp;
5649
5650 if (!ai->APList)
5651 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5652 if (!ai->APList)
5653 return -ENOMEM;
5654 if (!ai->SSID)
5655 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5656 if (!ai->SSID)
5657 return -ENOMEM;
5658 readAPListRid(ai, ai->APList);
5659 readSsidRid(ai, ai->SSID);
5660 memset(&cmd, 0, sizeof(cmd));
5661 /* the lock will be released at the end of the resume callback */
5662 if (down_interruptible(&ai->sem))
5663 return -EAGAIN;
5664 disable_MAC(ai, 0);
5665 netif_device_detach(dev);
5666 ai->power = state;
5667 cmd.cmd = HOSTSLEEP;
5668 issuecommand(ai, &cmd, &rsp);
5669
5670 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5671 pci_save_state(pdev);
5672 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5673 return 0;
5674 }
5675
5676 static int airo_pci_resume(struct pci_dev *pdev)
5677 {
5678 struct net_device *dev = pci_get_drvdata(pdev);
5679 struct airo_info *ai = dev->ml_priv;
5680 pci_power_t prev_state = pdev->current_state;
5681
5682 pci_set_power_state(pdev, PCI_D0);
5683 pci_restore_state(pdev);
5684 pci_enable_wake(pdev, PCI_D0, 0);
5685
5686 if (prev_state != PCI_D1) {
5687 reset_card(dev, 0);
5688 mpi_init_descriptors(ai);
5689 setup_card(ai, dev->dev_addr, 0);
5690 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5691 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5692 } else {
5693 OUT4500(ai, EVACK, EV_AWAKEN);
5694 OUT4500(ai, EVACK, EV_AWAKEN);
5695 msleep(100);
5696 }
5697
5698 set_bit(FLAG_COMMIT, &ai->flags);
5699 disable_MAC(ai, 0);
5700 msleep(200);
5701 if (ai->SSID) {
5702 writeSsidRid(ai, ai->SSID, 0);
5703 kfree(ai->SSID);
5704 ai->SSID = NULL;
5705 }
5706 if (ai->APList) {
5707 writeAPListRid(ai, ai->APList, 0);
5708 kfree(ai->APList);
5709 ai->APList = NULL;
5710 }
5711 writeConfigRid(ai, 0);
5712 enable_MAC(ai, 0);
5713 ai->power = PMSG_ON;
5714 netif_device_attach(dev);
5715 netif_wake_queue(dev);
5716 enable_interrupts(ai);
5717 up(&ai->sem);
5718 return 0;
5719 }
5720 #endif
5721
5722 static int __init airo_init_module( void )
5723 {
5724 int i;
5725
5726 airo_entry = create_proc_entry("driver/aironet",
5727 S_IFDIR | airo_perm,
5728 NULL);
5729
5730 if (airo_entry) {
5731 airo_entry->uid = proc_uid;
5732 airo_entry->gid = proc_gid;
5733 }
5734
5735 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5736 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5737 "io=0x%x", irq[i], io[i] );
5738 if (init_airo_card( irq[i], io[i], 0, NULL ))
5739 /* do nothing */ ;
5740 }
5741
5742 #ifdef CONFIG_PCI
5743 airo_print_info("", "Probing for PCI adapters");
5744 i = pci_register_driver(&airo_driver);
5745 airo_print_info("", "Finished probing for PCI adapters");
5746
5747 if (i) {
5748 remove_proc_entry("driver/aironet", NULL);
5749 return i;
5750 }
5751 #endif
5752
5753 /* Always exit with success, as we are a library module
5754 * as well as a driver module
5755 */
5756 return 0;
5757 }
5758
5759 static void __exit airo_cleanup_module( void )
5760 {
5761 struct airo_info *ai;
5762 while(!list_empty(&airo_devices)) {
5763 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5764 airo_print_info(ai->dev->name, "Unregistering...");
5765 stop_airo_card(ai->dev, 1);
5766 }
5767 #ifdef CONFIG_PCI
5768 pci_unregister_driver(&airo_driver);
5769 #endif
5770 remove_proc_entry("driver/aironet", NULL);
5771 }
5772
5773 /*
5774 * Initial Wireless Extension code for Aironet driver by :
5775 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5776 * Conversion to new driver API by :
5777 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5778 * Javier also did a good amount of work here, adding some new extensions
5779 * and fixing my code. Let's just say that without him this code just
5780 * would not work at all... - Jean II
5781 */
5782
5783 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5784 {
5785 if (!rssi_rid)
5786 return 0;
5787
5788 return (0x100 - rssi_rid[rssi].rssidBm);
5789 }
5790
5791 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5792 {
5793 int i;
5794
5795 if (!rssi_rid)
5796 return 0;
5797
5798 for (i = 0; i < 256; i++)
5799 if (rssi_rid[i].rssidBm == dbm)
5800 return rssi_rid[i].rssipct;
5801
5802 return 0;
5803 }
5804
5805
5806 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5807 {
5808 int quality = 0;
5809 u16 sq;
5810
5811 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5812 return 0;
5813
5814 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5815 return 0;
5816
5817 sq = le16_to_cpu(status_rid->signalQuality);
5818 if (memcmp(cap_rid->prodName, "350", 3))
5819 if (sq > 0x20)
5820 quality = 0;
5821 else
5822 quality = 0x20 - sq;
5823 else
5824 if (sq > 0xb0)
5825 quality = 0;
5826 else if (sq < 0x10)
5827 quality = 0xa0;
5828 else
5829 quality = 0xb0 - sq;
5830 return quality;
5831 }
5832
5833 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5834 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5835
5836 /*------------------------------------------------------------------*/
5837 /*
5838 * Wireless Handler : get protocol name
5839 */
5840 static int airo_get_name(struct net_device *dev,
5841 struct iw_request_info *info,
5842 char *cwrq,
5843 char *extra)
5844 {
5845 strcpy(cwrq, "IEEE 802.11-DS");
5846 return 0;
5847 }
5848
5849 /*------------------------------------------------------------------*/
5850 /*
5851 * Wireless Handler : set frequency
5852 */
5853 static int airo_set_freq(struct net_device *dev,
5854 struct iw_request_info *info,
5855 struct iw_freq *fwrq,
5856 char *extra)
5857 {
5858 struct airo_info *local = dev->ml_priv;
5859 int rc = -EINPROGRESS; /* Call commit handler */
5860
5861 /* If setting by frequency, convert to a channel */
5862 if(fwrq->e == 1) {
5863 int f = fwrq->m / 100000;
5864
5865 /* Hack to fall through... */
5866 fwrq->e = 0;
5867 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5868 }
5869 /* Setting by channel number */
5870 if((fwrq->m > 1000) || (fwrq->e > 0))
5871 rc = -EOPNOTSUPP;
5872 else {
5873 int channel = fwrq->m;
5874 /* We should do a better check than that,
5875 * based on the card capability !!! */
5876 if((channel < 1) || (channel > 14)) {
5877 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5878 fwrq->m);
5879 rc = -EINVAL;
5880 } else {
5881 readConfigRid(local, 1);
5882 /* Yes ! We can set it !!! */
5883 local->config.channelSet = cpu_to_le16(channel);
5884 set_bit (FLAG_COMMIT, &local->flags);
5885 }
5886 }
5887 return rc;
5888 }
5889
5890 /*------------------------------------------------------------------*/
5891 /*
5892 * Wireless Handler : get frequency
5893 */
5894 static int airo_get_freq(struct net_device *dev,
5895 struct iw_request_info *info,
5896 struct iw_freq *fwrq,
5897 char *extra)
5898 {
5899 struct airo_info *local = dev->ml_priv;
5900 StatusRid status_rid; /* Card status info */
5901 int ch;
5902
5903 readConfigRid(local, 1);
5904 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5905 status_rid.channel = local->config.channelSet;
5906 else
5907 readStatusRid(local, &status_rid, 1);
5908
5909 ch = le16_to_cpu(status_rid.channel);
5910 if((ch > 0) && (ch < 15)) {
5911 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5912 fwrq->e = 1;
5913 } else {
5914 fwrq->m = ch;
5915 fwrq->e = 0;
5916 }
5917
5918 return 0;
5919 }
5920
5921 /*------------------------------------------------------------------*/
5922 /*
5923 * Wireless Handler : set ESSID
5924 */
5925 static int airo_set_essid(struct net_device *dev,
5926 struct iw_request_info *info,
5927 struct iw_point *dwrq,
5928 char *extra)
5929 {
5930 struct airo_info *local = dev->ml_priv;
5931 SsidRid SSID_rid; /* SSIDs */
5932
5933 /* Reload the list of current SSID */
5934 readSsidRid(local, &SSID_rid);
5935
5936 /* Check if we asked for `any' */
5937 if (dwrq->flags == 0) {
5938 /* Just send an empty SSID list */
5939 memset(&SSID_rid, 0, sizeof(SSID_rid));
5940 } else {
5941 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5942
5943 /* Check the size of the string */
5944 if (dwrq->length > IW_ESSID_MAX_SIZE)
5945 return -E2BIG ;
5946
5947 /* Check if index is valid */
5948 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5949 return -EINVAL;
5950
5951 /* Set the SSID */
5952 memset(SSID_rid.ssids[index].ssid, 0,
5953 sizeof(SSID_rid.ssids[index].ssid));
5954 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5955 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5956 }
5957 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5958 /* Write it to the card */
5959 disable_MAC(local, 1);
5960 writeSsidRid(local, &SSID_rid, 1);
5961 enable_MAC(local, 1);
5962
5963 return 0;
5964 }
5965
5966 /*------------------------------------------------------------------*/
5967 /*
5968 * Wireless Handler : get ESSID
5969 */
5970 static int airo_get_essid(struct net_device *dev,
5971 struct iw_request_info *info,
5972 struct iw_point *dwrq,
5973 char *extra)
5974 {
5975 struct airo_info *local = dev->ml_priv;
5976 StatusRid status_rid; /* Card status info */
5977
5978 readStatusRid(local, &status_rid, 1);
5979
5980 /* Note : if dwrq->flags != 0, we should
5981 * get the relevant SSID from the SSID list... */
5982
5983 /* Get the current SSID */
5984 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5985 /* If none, we may want to get the one that was set */
5986
5987 /* Push it out ! */
5988 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5989 dwrq->flags = 1; /* active */
5990
5991 return 0;
5992 }
5993
5994 /*------------------------------------------------------------------*/
5995 /*
5996 * Wireless Handler : set AP address
5997 */
5998 static int airo_set_wap(struct net_device *dev,
5999 struct iw_request_info *info,
6000 struct sockaddr *awrq,
6001 char *extra)
6002 {
6003 struct airo_info *local = dev->ml_priv;
6004 Cmd cmd;
6005 Resp rsp;
6006 APListRid APList_rid;
6007 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
6008 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
6009
6010 if (awrq->sa_family != ARPHRD_ETHER)
6011 return -EINVAL;
6012 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6013 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6014 memset(&cmd, 0, sizeof(cmd));
6015 cmd.cmd=CMD_LOSE_SYNC;
6016 if (down_interruptible(&local->sem))
6017 return -ERESTARTSYS;
6018 issuecommand(local, &cmd, &rsp);
6019 up(&local->sem);
6020 } else {
6021 memset(&APList_rid, 0, sizeof(APList_rid));
6022 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6023 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6024 disable_MAC(local, 1);
6025 writeAPListRid(local, &APList_rid, 1);
6026 enable_MAC(local, 1);
6027 }
6028 return 0;
6029 }
6030
6031 /*------------------------------------------------------------------*/
6032 /*
6033 * Wireless Handler : get AP address
6034 */
6035 static int airo_get_wap(struct net_device *dev,
6036 struct iw_request_info *info,
6037 struct sockaddr *awrq,
6038 char *extra)
6039 {
6040 struct airo_info *local = dev->ml_priv;
6041 StatusRid status_rid; /* Card status info */
6042
6043 readStatusRid(local, &status_rid, 1);
6044
6045 /* Tentative. This seems to work, wow, I'm lucky !!! */
6046 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6047 awrq->sa_family = ARPHRD_ETHER;
6048
6049 return 0;
6050 }
6051
6052 /*------------------------------------------------------------------*/
6053 /*
6054 * Wireless Handler : set Nickname
6055 */
6056 static int airo_set_nick(struct net_device *dev,
6057 struct iw_request_info *info,
6058 struct iw_point *dwrq,
6059 char *extra)
6060 {
6061 struct airo_info *local = dev->ml_priv;
6062
6063 /* Check the size of the string */
6064 if(dwrq->length > 16) {
6065 return -E2BIG;
6066 }
6067 readConfigRid(local, 1);
6068 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6069 memcpy(local->config.nodeName, extra, dwrq->length);
6070 set_bit (FLAG_COMMIT, &local->flags);
6071
6072 return -EINPROGRESS; /* Call commit handler */
6073 }
6074
6075 /*------------------------------------------------------------------*/
6076 /*
6077 * Wireless Handler : get Nickname
6078 */
6079 static int airo_get_nick(struct net_device *dev,
6080 struct iw_request_info *info,
6081 struct iw_point *dwrq,
6082 char *extra)
6083 {
6084 struct airo_info *local = dev->ml_priv;
6085
6086 readConfigRid(local, 1);
6087 strncpy(extra, local->config.nodeName, 16);
6088 extra[16] = '\0';
6089 dwrq->length = strlen(extra);
6090
6091 return 0;
6092 }
6093
6094 /*------------------------------------------------------------------*/
6095 /*
6096 * Wireless Handler : set Bit-Rate
6097 */
6098 static int airo_set_rate(struct net_device *dev,
6099 struct iw_request_info *info,
6100 struct iw_param *vwrq,
6101 char *extra)
6102 {
6103 struct airo_info *local = dev->ml_priv;
6104 CapabilityRid cap_rid; /* Card capability info */
6105 u8 brate = 0;
6106 int i;
6107
6108 /* First : get a valid bit rate value */
6109 readCapabilityRid(local, &cap_rid, 1);
6110
6111 /* Which type of value ? */
6112 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6113 /* Setting by rate index */
6114 /* Find value in the magic rate table */
6115 brate = cap_rid.supportedRates[vwrq->value];
6116 } else {
6117 /* Setting by frequency value */
6118 u8 normvalue = (u8) (vwrq->value/500000);
6119
6120 /* Check if rate is valid */
6121 for(i = 0 ; i < 8 ; i++) {
6122 if(normvalue == cap_rid.supportedRates[i]) {
6123 brate = normvalue;
6124 break;
6125 }
6126 }
6127 }
6128 /* -1 designed the max rate (mostly auto mode) */
6129 if(vwrq->value == -1) {
6130 /* Get the highest available rate */
6131 for(i = 0 ; i < 8 ; i++) {
6132 if(cap_rid.supportedRates[i] == 0)
6133 break;
6134 }
6135 if(i != 0)
6136 brate = cap_rid.supportedRates[i - 1];
6137 }
6138 /* Check that it is valid */
6139 if(brate == 0) {
6140 return -EINVAL;
6141 }
6142
6143 readConfigRid(local, 1);
6144 /* Now, check if we want a fixed or auto value */
6145 if(vwrq->fixed == 0) {
6146 /* Fill all the rates up to this max rate */
6147 memset(local->config.rates, 0, 8);
6148 for(i = 0 ; i < 8 ; i++) {
6149 local->config.rates[i] = cap_rid.supportedRates[i];
6150 if(local->config.rates[i] == brate)
6151 break;
6152 }
6153 } else {
6154 /* Fixed mode */
6155 /* One rate, fixed */
6156 memset(local->config.rates, 0, 8);
6157 local->config.rates[0] = brate;
6158 }
6159 set_bit (FLAG_COMMIT, &local->flags);
6160
6161 return -EINPROGRESS; /* Call commit handler */
6162 }
6163
6164 /*------------------------------------------------------------------*/
6165 /*
6166 * Wireless Handler : get Bit-Rate
6167 */
6168 static int airo_get_rate(struct net_device *dev,
6169 struct iw_request_info *info,
6170 struct iw_param *vwrq,
6171 char *extra)
6172 {
6173 struct airo_info *local = dev->ml_priv;
6174 StatusRid status_rid; /* Card status info */
6175
6176 readStatusRid(local, &status_rid, 1);
6177
6178 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6179 /* If more than one rate, set auto */
6180 readConfigRid(local, 1);
6181 vwrq->fixed = (local->config.rates[1] == 0);
6182
6183 return 0;
6184 }
6185
6186 /*------------------------------------------------------------------*/
6187 /*
6188 * Wireless Handler : set RTS threshold
6189 */
6190 static int airo_set_rts(struct net_device *dev,
6191 struct iw_request_info *info,
6192 struct iw_param *vwrq,
6193 char *extra)
6194 {
6195 struct airo_info *local = dev->ml_priv;
6196 int rthr = vwrq->value;
6197
6198 if(vwrq->disabled)
6199 rthr = AIRO_DEF_MTU;
6200 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6201 return -EINVAL;
6202 }
6203 readConfigRid(local, 1);
6204 local->config.rtsThres = cpu_to_le16(rthr);
6205 set_bit (FLAG_COMMIT, &local->flags);
6206
6207 return -EINPROGRESS; /* Call commit handler */
6208 }
6209
6210 /*------------------------------------------------------------------*/
6211 /*
6212 * Wireless Handler : get RTS threshold
6213 */
6214 static int airo_get_rts(struct net_device *dev,
6215 struct iw_request_info *info,
6216 struct iw_param *vwrq,
6217 char *extra)
6218 {
6219 struct airo_info *local = dev->ml_priv;
6220
6221 readConfigRid(local, 1);
6222 vwrq->value = le16_to_cpu(local->config.rtsThres);
6223 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6224 vwrq->fixed = 1;
6225
6226 return 0;
6227 }
6228
6229 /*------------------------------------------------------------------*/
6230 /*
6231 * Wireless Handler : set Fragmentation threshold
6232 */
6233 static int airo_set_frag(struct net_device *dev,
6234 struct iw_request_info *info,
6235 struct iw_param *vwrq,
6236 char *extra)
6237 {
6238 struct airo_info *local = dev->ml_priv;
6239 int fthr = vwrq->value;
6240
6241 if(vwrq->disabled)
6242 fthr = AIRO_DEF_MTU;
6243 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6244 return -EINVAL;
6245 }
6246 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6247 readConfigRid(local, 1);
6248 local->config.fragThresh = cpu_to_le16(fthr);
6249 set_bit (FLAG_COMMIT, &local->flags);
6250
6251 return -EINPROGRESS; /* Call commit handler */
6252 }
6253
6254 /*------------------------------------------------------------------*/
6255 /*
6256 * Wireless Handler : get Fragmentation threshold
6257 */
6258 static int airo_get_frag(struct net_device *dev,
6259 struct iw_request_info *info,
6260 struct iw_param *vwrq,
6261 char *extra)
6262 {
6263 struct airo_info *local = dev->ml_priv;
6264
6265 readConfigRid(local, 1);
6266 vwrq->value = le16_to_cpu(local->config.fragThresh);
6267 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6268 vwrq->fixed = 1;
6269
6270 return 0;
6271 }
6272
6273 /*------------------------------------------------------------------*/
6274 /*
6275 * Wireless Handler : set Mode of Operation
6276 */
6277 static int airo_set_mode(struct net_device *dev,
6278 struct iw_request_info *info,
6279 __u32 *uwrq,
6280 char *extra)
6281 {
6282 struct airo_info *local = dev->ml_priv;
6283 int reset = 0;
6284
6285 readConfigRid(local, 1);
6286 if (sniffing_mode(local))
6287 reset = 1;
6288
6289 switch(*uwrq) {
6290 case IW_MODE_ADHOC:
6291 local->config.opmode &= ~MODE_CFG_MASK;
6292 local->config.opmode |= MODE_STA_IBSS;
6293 local->config.rmode &= ~RXMODE_FULL_MASK;
6294 local->config.scanMode = SCANMODE_ACTIVE;
6295 clear_bit (FLAG_802_11, &local->flags);
6296 break;
6297 case IW_MODE_INFRA:
6298 local->config.opmode &= ~MODE_CFG_MASK;
6299 local->config.opmode |= MODE_STA_ESS;
6300 local->config.rmode &= ~RXMODE_FULL_MASK;
6301 local->config.scanMode = SCANMODE_ACTIVE;
6302 clear_bit (FLAG_802_11, &local->flags);
6303 break;
6304 case IW_MODE_MASTER:
6305 local->config.opmode &= ~MODE_CFG_MASK;
6306 local->config.opmode |= MODE_AP;
6307 local->config.rmode &= ~RXMODE_FULL_MASK;
6308 local->config.scanMode = SCANMODE_ACTIVE;
6309 clear_bit (FLAG_802_11, &local->flags);
6310 break;
6311 case IW_MODE_REPEAT:
6312 local->config.opmode &= ~MODE_CFG_MASK;
6313 local->config.opmode |= MODE_AP_RPTR;
6314 local->config.rmode &= ~RXMODE_FULL_MASK;
6315 local->config.scanMode = SCANMODE_ACTIVE;
6316 clear_bit (FLAG_802_11, &local->flags);
6317 break;
6318 case IW_MODE_MONITOR:
6319 local->config.opmode &= ~MODE_CFG_MASK;
6320 local->config.opmode |= MODE_STA_ESS;
6321 local->config.rmode &= ~RXMODE_FULL_MASK;
6322 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6323 local->config.scanMode = SCANMODE_PASSIVE;
6324 set_bit (FLAG_802_11, &local->flags);
6325 break;
6326 default:
6327 return -EINVAL;
6328 }
6329 if (reset)
6330 set_bit (FLAG_RESET, &local->flags);
6331 set_bit (FLAG_COMMIT, &local->flags);
6332
6333 return -EINPROGRESS; /* Call commit handler */
6334 }
6335
6336 /*------------------------------------------------------------------*/
6337 /*
6338 * Wireless Handler : get Mode of Operation
6339 */
6340 static int airo_get_mode(struct net_device *dev,
6341 struct iw_request_info *info,
6342 __u32 *uwrq,
6343 char *extra)
6344 {
6345 struct airo_info *local = dev->ml_priv;
6346
6347 readConfigRid(local, 1);
6348 /* If not managed, assume it's ad-hoc */
6349 switch (local->config.opmode & MODE_CFG_MASK) {
6350 case MODE_STA_ESS:
6351 *uwrq = IW_MODE_INFRA;
6352 break;
6353 case MODE_AP:
6354 *uwrq = IW_MODE_MASTER;
6355 break;
6356 case MODE_AP_RPTR:
6357 *uwrq = IW_MODE_REPEAT;
6358 break;
6359 default:
6360 *uwrq = IW_MODE_ADHOC;
6361 }
6362
6363 return 0;
6364 }
6365
6366 static inline int valid_index(struct airo_info *ai, int index)
6367 {
6368 return (index >= 0) && (index <= ai->max_wep_idx);
6369 }
6370
6371 /*------------------------------------------------------------------*/
6372 /*
6373 * Wireless Handler : set Encryption Key
6374 */
6375 static int airo_set_encode(struct net_device *dev,
6376 struct iw_request_info *info,
6377 struct iw_point *dwrq,
6378 char *extra)
6379 {
6380 struct airo_info *local = dev->ml_priv;
6381 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6382 __le16 currentAuthType = local->config.authType;
6383 int rc = 0;
6384
6385 if (!local->wep_capable)
6386 return -EOPNOTSUPP;
6387
6388 readConfigRid(local, 1);
6389
6390 /* Basic checking: do we have a key to set ?
6391 * Note : with the new API, it's impossible to get a NULL pointer.
6392 * Therefore, we need to check a key size == 0 instead.
6393 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6394 * when no key is present (only change flags), but older versions
6395 * don't do it. - Jean II */
6396 if (dwrq->length > 0) {
6397 wep_key_t key;
6398 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6399 int current_index;
6400
6401 /* Check the size of the key */
6402 if (dwrq->length > MAX_KEY_SIZE) {
6403 return -EINVAL;
6404 }
6405
6406 current_index = get_wep_tx_idx(local);
6407 if (current_index < 0)
6408 current_index = 0;
6409
6410 /* Check the index (none -> use current) */
6411 if (!valid_index(local, index))
6412 index = current_index;
6413
6414 /* Set the length */
6415 if (dwrq->length > MIN_KEY_SIZE)
6416 key.len = MAX_KEY_SIZE;
6417 else
6418 key.len = MIN_KEY_SIZE;
6419 /* Check if the key is not marked as invalid */
6420 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6421 /* Cleanup */
6422 memset(key.key, 0, MAX_KEY_SIZE);
6423 /* Copy the key in the driver */
6424 memcpy(key.key, extra, dwrq->length);
6425 /* Send the key to the card */
6426 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6427 if (rc < 0) {
6428 airo_print_err(local->dev->name, "failed to set"
6429 " WEP key at index %d: %d.",
6430 index, rc);
6431 return rc;
6432 }
6433 }
6434 /* WE specify that if a valid key is set, encryption
6435 * should be enabled (user may turn it off later)
6436 * This is also how "iwconfig ethX key on" works */
6437 if((index == current_index) && (key.len > 0) &&
6438 (local->config.authType == AUTH_OPEN)) {
6439 local->config.authType = AUTH_ENCRYPT;
6440 }
6441 } else {
6442 /* Do we want to just set the transmit key index ? */
6443 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6444 if (valid_index(local, index)) {
6445 rc = set_wep_tx_idx(local, index, perm, 1);
6446 if (rc < 0) {
6447 airo_print_err(local->dev->name, "failed to set"
6448 " WEP transmit index to %d: %d.",
6449 index, rc);
6450 return rc;
6451 }
6452 } else {
6453 /* Don't complain if only change the mode */
6454 if (!(dwrq->flags & IW_ENCODE_MODE))
6455 return -EINVAL;
6456 }
6457 }
6458 /* Read the flags */
6459 if(dwrq->flags & IW_ENCODE_DISABLED)
6460 local->config.authType = AUTH_OPEN; // disable encryption
6461 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6462 local->config.authType = AUTH_SHAREDKEY; // Only Both
6463 if(dwrq->flags & IW_ENCODE_OPEN)
6464 local->config.authType = AUTH_ENCRYPT; // Only Wep
6465 /* Commit the changes to flags if needed */
6466 if (local->config.authType != currentAuthType)
6467 set_bit (FLAG_COMMIT, &local->flags);
6468 return -EINPROGRESS; /* Call commit handler */
6469 }
6470
6471 /*------------------------------------------------------------------*/
6472 /*
6473 * Wireless Handler : get Encryption Key
6474 */
6475 static int airo_get_encode(struct net_device *dev,
6476 struct iw_request_info *info,
6477 struct iw_point *dwrq,
6478 char *extra)
6479 {
6480 struct airo_info *local = dev->ml_priv;
6481 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6482 int wep_key_len;
6483 u8 buf[16];
6484
6485 if (!local->wep_capable)
6486 return -EOPNOTSUPP;
6487
6488 readConfigRid(local, 1);
6489
6490 /* Check encryption mode */
6491 switch(local->config.authType) {
6492 case AUTH_ENCRYPT:
6493 dwrq->flags = IW_ENCODE_OPEN;
6494 break;
6495 case AUTH_SHAREDKEY:
6496 dwrq->flags = IW_ENCODE_RESTRICTED;
6497 break;
6498 default:
6499 case AUTH_OPEN:
6500 dwrq->flags = IW_ENCODE_DISABLED;
6501 break;
6502 }
6503 /* We can't return the key, so set the proper flag and return zero */
6504 dwrq->flags |= IW_ENCODE_NOKEY;
6505 memset(extra, 0, 16);
6506
6507 /* Which key do we want ? -1 -> tx index */
6508 if (!valid_index(local, index)) {
6509 index = get_wep_tx_idx(local);
6510 if (index < 0)
6511 index = 0;
6512 }
6513 dwrq->flags |= index + 1;
6514
6515 /* Copy the key to the user buffer */
6516 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6517 if (wep_key_len < 0) {
6518 dwrq->length = 0;
6519 } else {
6520 dwrq->length = wep_key_len;
6521 memcpy(extra, buf, dwrq->length);
6522 }
6523
6524 return 0;
6525 }
6526
6527 /*------------------------------------------------------------------*/
6528 /*
6529 * Wireless Handler : set extended Encryption parameters
6530 */
6531 static int airo_set_encodeext(struct net_device *dev,
6532 struct iw_request_info *info,
6533 union iwreq_data *wrqu,
6534 char *extra)
6535 {
6536 struct airo_info *local = dev->ml_priv;
6537 struct iw_point *encoding = &wrqu->encoding;
6538 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6539 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6540 __le16 currentAuthType = local->config.authType;
6541 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6542 wep_key_t key;
6543
6544 if (!local->wep_capable)
6545 return -EOPNOTSUPP;
6546
6547 readConfigRid(local, 1);
6548
6549 /* Determine and validate the key index */
6550 idx = encoding->flags & IW_ENCODE_INDEX;
6551 if (idx) {
6552 if (!valid_index(local, idx - 1))
6553 return -EINVAL;
6554 idx--;
6555 } else {
6556 idx = get_wep_tx_idx(local);
6557 if (idx < 0)
6558 idx = 0;
6559 }
6560
6561 if (encoding->flags & IW_ENCODE_DISABLED)
6562 alg = IW_ENCODE_ALG_NONE;
6563
6564 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6565 /* Only set transmit key index here, actual
6566 * key is set below if needed.
6567 */
6568 rc = set_wep_tx_idx(local, idx, perm, 1);
6569 if (rc < 0) {
6570 airo_print_err(local->dev->name, "failed to set "
6571 "WEP transmit index to %d: %d.",
6572 idx, rc);
6573 return rc;
6574 }
6575 set_key = ext->key_len > 0 ? 1 : 0;
6576 }
6577
6578 if (set_key) {
6579 /* Set the requested key first */
6580 memset(key.key, 0, MAX_KEY_SIZE);
6581 switch (alg) {
6582 case IW_ENCODE_ALG_NONE:
6583 key.len = 0;
6584 break;
6585 case IW_ENCODE_ALG_WEP:
6586 if (ext->key_len > MIN_KEY_SIZE) {
6587 key.len = MAX_KEY_SIZE;
6588 } else if (ext->key_len > 0) {
6589 key.len = MIN_KEY_SIZE;
6590 } else {
6591 return -EINVAL;
6592 }
6593 key_len = min (ext->key_len, key.len);
6594 memcpy(key.key, ext->key, key_len);
6595 break;
6596 default:
6597 return -EINVAL;
6598 }
6599 if (key.len == 0) {
6600 rc = set_wep_tx_idx(local, idx, perm, 1);
6601 if (rc < 0) {
6602 airo_print_err(local->dev->name,
6603 "failed to set WEP transmit index to %d: %d.",
6604 idx, rc);
6605 return rc;
6606 }
6607 } else {
6608 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6609 if (rc < 0) {
6610 airo_print_err(local->dev->name,
6611 "failed to set WEP key at index %d: %d.",
6612 idx, rc);
6613 return rc;
6614 }
6615 }
6616 }
6617
6618 /* Read the flags */
6619 if(encoding->flags & IW_ENCODE_DISABLED)
6620 local->config.authType = AUTH_OPEN; // disable encryption
6621 if(encoding->flags & IW_ENCODE_RESTRICTED)
6622 local->config.authType = AUTH_SHAREDKEY; // Only Both
6623 if(encoding->flags & IW_ENCODE_OPEN)
6624 local->config.authType = AUTH_ENCRYPT; // Only Wep
6625 /* Commit the changes to flags if needed */
6626 if (local->config.authType != currentAuthType)
6627 set_bit (FLAG_COMMIT, &local->flags);
6628
6629 return -EINPROGRESS;
6630 }
6631
6632
6633 /*------------------------------------------------------------------*/
6634 /*
6635 * Wireless Handler : get extended Encryption parameters
6636 */
6637 static int airo_get_encodeext(struct net_device *dev,
6638 struct iw_request_info *info,
6639 union iwreq_data *wrqu,
6640 char *extra)
6641 {
6642 struct airo_info *local = dev->ml_priv;
6643 struct iw_point *encoding = &wrqu->encoding;
6644 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6645 int idx, max_key_len, wep_key_len;
6646 u8 buf[16];
6647
6648 if (!local->wep_capable)
6649 return -EOPNOTSUPP;
6650
6651 readConfigRid(local, 1);
6652
6653 max_key_len = encoding->length - sizeof(*ext);
6654 if (max_key_len < 0)
6655 return -EINVAL;
6656
6657 idx = encoding->flags & IW_ENCODE_INDEX;
6658 if (idx) {
6659 if (!valid_index(local, idx - 1))
6660 return -EINVAL;
6661 idx--;
6662 } else {
6663 idx = get_wep_tx_idx(local);
6664 if (idx < 0)
6665 idx = 0;
6666 }
6667
6668 encoding->flags = idx + 1;
6669 memset(ext, 0, sizeof(*ext));
6670
6671 /* Check encryption mode */
6672 switch(local->config.authType) {
6673 case AUTH_ENCRYPT:
6674 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6675 break;
6676 case AUTH_SHAREDKEY:
6677 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6678 break;
6679 default:
6680 case AUTH_OPEN:
6681 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6682 break;
6683 }
6684 /* We can't return the key, so set the proper flag and return zero */
6685 encoding->flags |= IW_ENCODE_NOKEY;
6686 memset(extra, 0, 16);
6687
6688 /* Copy the key to the user buffer */
6689 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6690 if (wep_key_len < 0) {
6691 ext->key_len = 0;
6692 } else {
6693 ext->key_len = wep_key_len;
6694 memcpy(extra, buf, ext->key_len);
6695 }
6696
6697 return 0;
6698 }
6699
6700
6701 /*------------------------------------------------------------------*/
6702 /*
6703 * Wireless Handler : set extended authentication parameters
6704 */
6705 static int airo_set_auth(struct net_device *dev,
6706 struct iw_request_info *info,
6707 union iwreq_data *wrqu, char *extra)
6708 {
6709 struct airo_info *local = dev->ml_priv;
6710 struct iw_param *param = &wrqu->param;
6711 __le16 currentAuthType = local->config.authType;
6712
6713 switch (param->flags & IW_AUTH_INDEX) {
6714 case IW_AUTH_WPA_VERSION:
6715 case IW_AUTH_CIPHER_PAIRWISE:
6716 case IW_AUTH_CIPHER_GROUP:
6717 case IW_AUTH_KEY_MGMT:
6718 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6719 case IW_AUTH_PRIVACY_INVOKED:
6720 /*
6721 * airo does not use these parameters
6722 */
6723 break;
6724
6725 case IW_AUTH_DROP_UNENCRYPTED:
6726 if (param->value) {
6727 /* Only change auth type if unencrypted */
6728 if (currentAuthType == AUTH_OPEN)
6729 local->config.authType = AUTH_ENCRYPT;
6730 } else {
6731 local->config.authType = AUTH_OPEN;
6732 }
6733
6734 /* Commit the changes to flags if needed */
6735 if (local->config.authType != currentAuthType)
6736 set_bit (FLAG_COMMIT, &local->flags);
6737 break;
6738
6739 case IW_AUTH_80211_AUTH_ALG: {
6740 /* FIXME: What about AUTH_OPEN? This API seems to
6741 * disallow setting our auth to AUTH_OPEN.
6742 */
6743 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6744 local->config.authType = AUTH_SHAREDKEY;
6745 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6746 local->config.authType = AUTH_ENCRYPT;
6747 } else
6748 return -EINVAL;
6749
6750 /* Commit the changes to flags if needed */
6751 if (local->config.authType != currentAuthType)
6752 set_bit (FLAG_COMMIT, &local->flags);
6753 break;
6754 }
6755
6756 case IW_AUTH_WPA_ENABLED:
6757 /* Silently accept disable of WPA */
6758 if (param->value > 0)
6759 return -EOPNOTSUPP;
6760 break;
6761
6762 default:
6763 return -EOPNOTSUPP;
6764 }
6765 return -EINPROGRESS;
6766 }
6767
6768
6769 /*------------------------------------------------------------------*/
6770 /*
6771 * Wireless Handler : get extended authentication parameters
6772 */
6773 static int airo_get_auth(struct net_device *dev,
6774 struct iw_request_info *info,
6775 union iwreq_data *wrqu, char *extra)
6776 {
6777 struct airo_info *local = dev->ml_priv;
6778 struct iw_param *param = &wrqu->param;
6779 __le16 currentAuthType = local->config.authType;
6780
6781 switch (param->flags & IW_AUTH_INDEX) {
6782 case IW_AUTH_DROP_UNENCRYPTED:
6783 switch (currentAuthType) {
6784 case AUTH_SHAREDKEY:
6785 case AUTH_ENCRYPT:
6786 param->value = 1;
6787 break;
6788 default:
6789 param->value = 0;
6790 break;
6791 }
6792 break;
6793
6794 case IW_AUTH_80211_AUTH_ALG:
6795 switch (currentAuthType) {
6796 case AUTH_SHAREDKEY:
6797 param->value = IW_AUTH_ALG_SHARED_KEY;
6798 break;
6799 case AUTH_ENCRYPT:
6800 default:
6801 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6802 break;
6803 }
6804 break;
6805
6806 case IW_AUTH_WPA_ENABLED:
6807 param->value = 0;
6808 break;
6809
6810 default:
6811 return -EOPNOTSUPP;
6812 }
6813 return 0;
6814 }
6815
6816
6817 /*------------------------------------------------------------------*/
6818 /*
6819 * Wireless Handler : set Tx-Power
6820 */
6821 static int airo_set_txpow(struct net_device *dev,
6822 struct iw_request_info *info,
6823 struct iw_param *vwrq,
6824 char *extra)
6825 {
6826 struct airo_info *local = dev->ml_priv;
6827 CapabilityRid cap_rid; /* Card capability info */
6828 int i;
6829 int rc = -EINVAL;
6830 __le16 v = cpu_to_le16(vwrq->value);
6831
6832 readCapabilityRid(local, &cap_rid, 1);
6833
6834 if (vwrq->disabled) {
6835 set_bit (FLAG_RADIO_OFF, &local->flags);
6836 set_bit (FLAG_COMMIT, &local->flags);
6837 return -EINPROGRESS; /* Call commit handler */
6838 }
6839 if (vwrq->flags != IW_TXPOW_MWATT) {
6840 return -EINVAL;
6841 }
6842 clear_bit (FLAG_RADIO_OFF, &local->flags);
6843 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6844 if (v == cap_rid.txPowerLevels[i]) {
6845 readConfigRid(local, 1);
6846 local->config.txPower = v;
6847 set_bit (FLAG_COMMIT, &local->flags);
6848 rc = -EINPROGRESS; /* Call commit handler */
6849 break;
6850 }
6851 return rc;
6852 }
6853
6854 /*------------------------------------------------------------------*/
6855 /*
6856 * Wireless Handler : get Tx-Power
6857 */
6858 static int airo_get_txpow(struct net_device *dev,
6859 struct iw_request_info *info,
6860 struct iw_param *vwrq,
6861 char *extra)
6862 {
6863 struct airo_info *local = dev->ml_priv;
6864
6865 readConfigRid(local, 1);
6866 vwrq->value = le16_to_cpu(local->config.txPower);
6867 vwrq->fixed = 1; /* No power control */
6868 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6869 vwrq->flags = IW_TXPOW_MWATT;
6870
6871 return 0;
6872 }
6873
6874 /*------------------------------------------------------------------*/
6875 /*
6876 * Wireless Handler : set Retry limits
6877 */
6878 static int airo_set_retry(struct net_device *dev,
6879 struct iw_request_info *info,
6880 struct iw_param *vwrq,
6881 char *extra)
6882 {
6883 struct airo_info *local = dev->ml_priv;
6884 int rc = -EINVAL;
6885
6886 if(vwrq->disabled) {
6887 return -EINVAL;
6888 }
6889 readConfigRid(local, 1);
6890 if(vwrq->flags & IW_RETRY_LIMIT) {
6891 __le16 v = cpu_to_le16(vwrq->value);
6892 if(vwrq->flags & IW_RETRY_LONG)
6893 local->config.longRetryLimit = v;
6894 else if (vwrq->flags & IW_RETRY_SHORT)
6895 local->config.shortRetryLimit = v;
6896 else {
6897 /* No modifier : set both */
6898 local->config.longRetryLimit = v;
6899 local->config.shortRetryLimit = v;
6900 }
6901 set_bit (FLAG_COMMIT, &local->flags);
6902 rc = -EINPROGRESS; /* Call commit handler */
6903 }
6904 if(vwrq->flags & IW_RETRY_LIFETIME) {
6905 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6906 set_bit (FLAG_COMMIT, &local->flags);
6907 rc = -EINPROGRESS; /* Call commit handler */
6908 }
6909 return rc;
6910 }
6911
6912 /*------------------------------------------------------------------*/
6913 /*
6914 * Wireless Handler : get Retry limits
6915 */
6916 static int airo_get_retry(struct net_device *dev,
6917 struct iw_request_info *info,
6918 struct iw_param *vwrq,
6919 char *extra)
6920 {
6921 struct airo_info *local = dev->ml_priv;
6922
6923 vwrq->disabled = 0; /* Can't be disabled */
6924
6925 readConfigRid(local, 1);
6926 /* Note : by default, display the min retry number */
6927 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6928 vwrq->flags = IW_RETRY_LIFETIME;
6929 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6930 } else if((vwrq->flags & IW_RETRY_LONG)) {
6931 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6932 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6933 } else {
6934 vwrq->flags = IW_RETRY_LIMIT;
6935 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6936 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6937 vwrq->flags |= IW_RETRY_SHORT;
6938 }
6939
6940 return 0;
6941 }
6942
6943 /*------------------------------------------------------------------*/
6944 /*
6945 * Wireless Handler : get range info
6946 */
6947 static int airo_get_range(struct net_device *dev,
6948 struct iw_request_info *info,
6949 struct iw_point *dwrq,
6950 char *extra)
6951 {
6952 struct airo_info *local = dev->ml_priv;
6953 struct iw_range *range = (struct iw_range *) extra;
6954 CapabilityRid cap_rid; /* Card capability info */
6955 int i;
6956 int k;
6957
6958 readCapabilityRid(local, &cap_rid, 1);
6959
6960 dwrq->length = sizeof(struct iw_range);
6961 memset(range, 0, sizeof(*range));
6962 range->min_nwid = 0x0000;
6963 range->max_nwid = 0x0000;
6964 range->num_channels = 14;
6965 /* Should be based on cap_rid.country to give only
6966 * what the current card support */
6967 k = 0;
6968 for(i = 0; i < 14; i++) {
6969 range->freq[k].i = i + 1; /* List index */
6970 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6971 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6972 }
6973 range->num_frequency = k;
6974
6975 range->sensitivity = 65535;
6976
6977 /* Hum... Should put the right values there */
6978 if (local->rssi)
6979 range->max_qual.qual = 100; /* % */
6980 else
6981 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6982 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6983 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6984
6985 /* Experimental measurements - boundary 11/5.5 Mb/s */
6986 /* Note : with or without the (local->rssi), results
6987 * are somewhat different. - Jean II */
6988 if (local->rssi) {
6989 range->avg_qual.qual = 50; /* % */
6990 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6991 } else {
6992 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6993 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6994 }
6995 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6996
6997 for(i = 0 ; i < 8 ; i++) {
6998 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6999 if(range->bitrate[i] == 0)
7000 break;
7001 }
7002 range->num_bitrates = i;
7003
7004 /* Set an indication of the max TCP throughput
7005 * in bit/s that we can expect using this interface.
7006 * May be use for QoS stuff... Jean II */
7007 if(i > 2)
7008 range->throughput = 5000 * 1000;
7009 else
7010 range->throughput = 1500 * 1000;
7011
7012 range->min_rts = 0;
7013 range->max_rts = AIRO_DEF_MTU;
7014 range->min_frag = 256;
7015 range->max_frag = AIRO_DEF_MTU;
7016
7017 if(cap_rid.softCap & cpu_to_le16(2)) {
7018 // WEP: RC4 40 bits
7019 range->encoding_size[0] = 5;
7020 // RC4 ~128 bits
7021 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7022 range->encoding_size[1] = 13;
7023 range->num_encoding_sizes = 2;
7024 } else
7025 range->num_encoding_sizes = 1;
7026 range->max_encoding_tokens =
7027 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7028 } else {
7029 range->num_encoding_sizes = 0;
7030 range->max_encoding_tokens = 0;
7031 }
7032 range->min_pmp = 0;
7033 range->max_pmp = 5000000; /* 5 secs */
7034 range->min_pmt = 0;
7035 range->max_pmt = 65535 * 1024; /* ??? */
7036 range->pmp_flags = IW_POWER_PERIOD;
7037 range->pmt_flags = IW_POWER_TIMEOUT;
7038 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7039
7040 /* Transmit Power - values are in mW */
7041 for(i = 0 ; i < 8 ; i++) {
7042 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7043 if(range->txpower[i] == 0)
7044 break;
7045 }
7046 range->num_txpower = i;
7047 range->txpower_capa = IW_TXPOW_MWATT;
7048 range->we_version_source = 19;
7049 range->we_version_compiled = WIRELESS_EXT;
7050 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7051 range->retry_flags = IW_RETRY_LIMIT;
7052 range->r_time_flags = IW_RETRY_LIFETIME;
7053 range->min_retry = 1;
7054 range->max_retry = 65535;
7055 range->min_r_time = 1024;
7056 range->max_r_time = 65535 * 1024;
7057
7058 /* Event capability (kernel + driver) */
7059 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7060 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7061 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7062 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7063 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7064 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7065 return 0;
7066 }
7067
7068 /*------------------------------------------------------------------*/
7069 /*
7070 * Wireless Handler : set Power Management
7071 */
7072 static int airo_set_power(struct net_device *dev,
7073 struct iw_request_info *info,
7074 struct iw_param *vwrq,
7075 char *extra)
7076 {
7077 struct airo_info *local = dev->ml_priv;
7078
7079 readConfigRid(local, 1);
7080 if (vwrq->disabled) {
7081 if (sniffing_mode(local))
7082 return -EINVAL;
7083 local->config.powerSaveMode = POWERSAVE_CAM;
7084 local->config.rmode &= ~RXMODE_MASK;
7085 local->config.rmode |= RXMODE_BC_MC_ADDR;
7086 set_bit (FLAG_COMMIT, &local->flags);
7087 return -EINPROGRESS; /* Call commit handler */
7088 }
7089 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7090 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7091 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7092 set_bit (FLAG_COMMIT, &local->flags);
7093 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7094 local->config.fastListenInterval =
7095 local->config.listenInterval =
7096 cpu_to_le16((vwrq->value + 500) / 1024);
7097 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7098 set_bit (FLAG_COMMIT, &local->flags);
7099 }
7100 switch (vwrq->flags & IW_POWER_MODE) {
7101 case IW_POWER_UNICAST_R:
7102 if (sniffing_mode(local))
7103 return -EINVAL;
7104 local->config.rmode &= ~RXMODE_MASK;
7105 local->config.rmode |= RXMODE_ADDR;
7106 set_bit (FLAG_COMMIT, &local->flags);
7107 break;
7108 case IW_POWER_ALL_R:
7109 if (sniffing_mode(local))
7110 return -EINVAL;
7111 local->config.rmode &= ~RXMODE_MASK;
7112 local->config.rmode |= RXMODE_BC_MC_ADDR;
7113 set_bit (FLAG_COMMIT, &local->flags);
7114 case IW_POWER_ON:
7115 /* This is broken, fixme ;-) */
7116 break;
7117 default:
7118 return -EINVAL;
7119 }
7120 // Note : we may want to factor local->need_commit here
7121 // Note2 : may also want to factor RXMODE_RFMON test
7122 return -EINPROGRESS; /* Call commit handler */
7123 }
7124
7125 /*------------------------------------------------------------------*/
7126 /*
7127 * Wireless Handler : get Power Management
7128 */
7129 static int airo_get_power(struct net_device *dev,
7130 struct iw_request_info *info,
7131 struct iw_param *vwrq,
7132 char *extra)
7133 {
7134 struct airo_info *local = dev->ml_priv;
7135 __le16 mode;
7136
7137 readConfigRid(local, 1);
7138 mode = local->config.powerSaveMode;
7139 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7140 return 0;
7141 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7142 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7143 vwrq->flags = IW_POWER_TIMEOUT;
7144 } else {
7145 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7146 vwrq->flags = IW_POWER_PERIOD;
7147 }
7148 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7149 vwrq->flags |= IW_POWER_UNICAST_R;
7150 else
7151 vwrq->flags |= IW_POWER_ALL_R;
7152
7153 return 0;
7154 }
7155
7156 /*------------------------------------------------------------------*/
7157 /*
7158 * Wireless Handler : set Sensitivity
7159 */
7160 static int airo_set_sens(struct net_device *dev,
7161 struct iw_request_info *info,
7162 struct iw_param *vwrq,
7163 char *extra)
7164 {
7165 struct airo_info *local = dev->ml_priv;
7166
7167 readConfigRid(local, 1);
7168 local->config.rssiThreshold =
7169 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7170 set_bit (FLAG_COMMIT, &local->flags);
7171
7172 return -EINPROGRESS; /* Call commit handler */
7173 }
7174
7175 /*------------------------------------------------------------------*/
7176 /*
7177 * Wireless Handler : get Sensitivity
7178 */
7179 static int airo_get_sens(struct net_device *dev,
7180 struct iw_request_info *info,
7181 struct iw_param *vwrq,
7182 char *extra)
7183 {
7184 struct airo_info *local = dev->ml_priv;
7185
7186 readConfigRid(local, 1);
7187 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7188 vwrq->disabled = (vwrq->value == 0);
7189 vwrq->fixed = 1;
7190
7191 return 0;
7192 }
7193
7194 /*------------------------------------------------------------------*/
7195 /*
7196 * Wireless Handler : get AP List
7197 * Note : this is deprecated in favor of IWSCAN
7198 */
7199 static int airo_get_aplist(struct net_device *dev,
7200 struct iw_request_info *info,
7201 struct iw_point *dwrq,
7202 char *extra)
7203 {
7204 struct airo_info *local = dev->ml_priv;
7205 struct sockaddr *address = (struct sockaddr *) extra;
7206 struct iw_quality *qual;
7207 BSSListRid BSSList;
7208 int i;
7209 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7210
7211 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7212 if (!qual)
7213 return -ENOMEM;
7214
7215 for (i = 0; i < IW_MAX_AP; i++) {
7216 u16 dBm;
7217 if (readBSSListRid(local, loseSync, &BSSList))
7218 break;
7219 loseSync = 0;
7220 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7221 address[i].sa_family = ARPHRD_ETHER;
7222 dBm = le16_to_cpu(BSSList.dBm);
7223 if (local->rssi) {
7224 qual[i].level = 0x100 - dBm;
7225 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7226 qual[i].updated = IW_QUAL_QUAL_UPDATED
7227 | IW_QUAL_LEVEL_UPDATED
7228 | IW_QUAL_DBM;
7229 } else {
7230 qual[i].level = (dBm + 321) / 2;
7231 qual[i].qual = 0;
7232 qual[i].updated = IW_QUAL_QUAL_INVALID
7233 | IW_QUAL_LEVEL_UPDATED
7234 | IW_QUAL_DBM;
7235 }
7236 qual[i].noise = local->wstats.qual.noise;
7237 if (BSSList.index == cpu_to_le16(0xffff))
7238 break;
7239 }
7240 if (!i) {
7241 StatusRid status_rid; /* Card status info */
7242 readStatusRid(local, &status_rid, 1);
7243 for (i = 0;
7244 i < min(IW_MAX_AP, 4) &&
7245 (status_rid.bssid[i][0]
7246 & status_rid.bssid[i][1]
7247 & status_rid.bssid[i][2]
7248 & status_rid.bssid[i][3]
7249 & status_rid.bssid[i][4]
7250 & status_rid.bssid[i][5])!=0xff &&
7251 (status_rid.bssid[i][0]
7252 | status_rid.bssid[i][1]
7253 | status_rid.bssid[i][2]
7254 | status_rid.bssid[i][3]
7255 | status_rid.bssid[i][4]
7256 | status_rid.bssid[i][5]);
7257 i++) {
7258 memcpy(address[i].sa_data,
7259 status_rid.bssid[i], ETH_ALEN);
7260 address[i].sa_family = ARPHRD_ETHER;
7261 }
7262 } else {
7263 dwrq->flags = 1; /* Should be define'd */
7264 memcpy(extra + sizeof(struct sockaddr)*i,
7265 &qual, sizeof(struct iw_quality)*i);
7266 }
7267 dwrq->length = i;
7268
7269 kfree(qual);
7270 return 0;
7271 }
7272
7273 /*------------------------------------------------------------------*/
7274 /*
7275 * Wireless Handler : Initiate Scan
7276 */
7277 static int airo_set_scan(struct net_device *dev,
7278 struct iw_request_info *info,
7279 struct iw_point *dwrq,
7280 char *extra)
7281 {
7282 struct airo_info *ai = dev->ml_priv;
7283 Cmd cmd;
7284 Resp rsp;
7285 int wake = 0;
7286
7287 /* Note : you may have realised that, as this is a SET operation,
7288 * this is privileged and therefore a normal user can't
7289 * perform scanning.
7290 * This is not an error, while the device perform scanning,
7291 * traffic doesn't flow, so it's a perfect DoS...
7292 * Jean II */
7293 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7294
7295 if (down_interruptible(&ai->sem))
7296 return -ERESTARTSYS;
7297
7298 /* If there's already a scan in progress, don't
7299 * trigger another one. */
7300 if (ai->scan_timeout > 0)
7301 goto out;
7302
7303 /* Initiate a scan command */
7304 ai->scan_timeout = RUN_AT(3*HZ);
7305 memset(&cmd, 0, sizeof(cmd));
7306 cmd.cmd=CMD_LISTBSS;
7307 issuecommand(ai, &cmd, &rsp);
7308 wake = 1;
7309
7310 out:
7311 up(&ai->sem);
7312 if (wake)
7313 wake_up_interruptible(&ai->thr_wait);
7314 return 0;
7315 }
7316
7317 /*------------------------------------------------------------------*/
7318 /*
7319 * Translate scan data returned from the card to a card independent
7320 * format that the Wireless Tools will understand - Jean II
7321 */
7322 static inline char *airo_translate_scan(struct net_device *dev,
7323 struct iw_request_info *info,
7324 char *current_ev,
7325 char *end_buf,
7326 BSSListRid *bss)
7327 {
7328 struct airo_info *ai = dev->ml_priv;
7329 struct iw_event iwe; /* Temporary buffer */
7330 __le16 capabilities;
7331 char * current_val; /* For rates */
7332 int i;
7333 char * buf;
7334 u16 dBm;
7335
7336 /* First entry *MUST* be the AP MAC address */
7337 iwe.cmd = SIOCGIWAP;
7338 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7339 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7340 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7341 &iwe, IW_EV_ADDR_LEN);
7342
7343 /* Other entries will be displayed in the order we give them */
7344
7345 /* Add the ESSID */
7346 iwe.u.data.length = bss->ssidLen;
7347 if(iwe.u.data.length > 32)
7348 iwe.u.data.length = 32;
7349 iwe.cmd = SIOCGIWESSID;
7350 iwe.u.data.flags = 1;
7351 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7352 &iwe, bss->ssid);
7353
7354 /* Add mode */
7355 iwe.cmd = SIOCGIWMODE;
7356 capabilities = bss->cap;
7357 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7358 if(capabilities & CAP_ESS)
7359 iwe.u.mode = IW_MODE_MASTER;
7360 else
7361 iwe.u.mode = IW_MODE_ADHOC;
7362 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7363 &iwe, IW_EV_UINT_LEN);
7364 }
7365
7366 /* Add frequency */
7367 iwe.cmd = SIOCGIWFREQ;
7368 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7369 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7370 iwe.u.freq.e = 1;
7371 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7372 &iwe, IW_EV_FREQ_LEN);
7373
7374 dBm = le16_to_cpu(bss->dBm);
7375
7376 /* Add quality statistics */
7377 iwe.cmd = IWEVQUAL;
7378 if (ai->rssi) {
7379 iwe.u.qual.level = 0x100 - dBm;
7380 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7381 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7382 | IW_QUAL_LEVEL_UPDATED
7383 | IW_QUAL_DBM;
7384 } else {
7385 iwe.u.qual.level = (dBm + 321) / 2;
7386 iwe.u.qual.qual = 0;
7387 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7388 | IW_QUAL_LEVEL_UPDATED
7389 | IW_QUAL_DBM;
7390 }
7391 iwe.u.qual.noise = ai->wstats.qual.noise;
7392 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7393 &iwe, IW_EV_QUAL_LEN);
7394
7395 /* Add encryption capability */
7396 iwe.cmd = SIOCGIWENCODE;
7397 if(capabilities & CAP_PRIVACY)
7398 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7399 else
7400 iwe.u.data.flags = IW_ENCODE_DISABLED;
7401 iwe.u.data.length = 0;
7402 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7403 &iwe, bss->ssid);
7404
7405 /* Rate : stuffing multiple values in a single event require a bit
7406 * more of magic - Jean II */
7407 current_val = current_ev + iwe_stream_lcp_len(info);
7408
7409 iwe.cmd = SIOCGIWRATE;
7410 /* Those two flags are ignored... */
7411 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7412 /* Max 8 values */
7413 for(i = 0 ; i < 8 ; i++) {
7414 /* NULL terminated */
7415 if(bss->rates[i] == 0)
7416 break;
7417 /* Bit rate given in 500 kb/s units (+ 0x80) */
7418 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7419 /* Add new value to event */
7420 current_val = iwe_stream_add_value(info, current_ev,
7421 current_val, end_buf,
7422 &iwe, IW_EV_PARAM_LEN);
7423 }
7424 /* Check if we added any event */
7425 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7426 current_ev = current_val;
7427
7428 /* Beacon interval */
7429 buf = kmalloc(30, GFP_KERNEL);
7430 if (buf) {
7431 iwe.cmd = IWEVCUSTOM;
7432 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7433 iwe.u.data.length = strlen(buf);
7434 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7435 &iwe, buf);
7436 kfree(buf);
7437 }
7438
7439 /* Put WPA/RSN Information Elements into the event stream */
7440 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7441 unsigned int num_null_ies = 0;
7442 u16 length = sizeof (bss->extra.iep);
7443 u8 *ie = (void *)&bss->extra.iep;
7444
7445 while ((length >= 2) && (num_null_ies < 2)) {
7446 if (2 + ie[1] > length) {
7447 /* Invalid element, don't continue parsing IE */
7448 break;
7449 }
7450
7451 switch (ie[0]) {
7452 case WLAN_EID_SSID:
7453 /* Two zero-length SSID elements
7454 * mean we're done parsing elements */
7455 if (!ie[1])
7456 num_null_ies++;
7457 break;
7458
7459 case WLAN_EID_GENERIC:
7460 if (ie[1] >= 4 &&
7461 ie[2] == 0x00 &&
7462 ie[3] == 0x50 &&
7463 ie[4] == 0xf2 &&
7464 ie[5] == 0x01) {
7465 iwe.cmd = IWEVGENIE;
7466 /* 64 is an arbitrary cut-off */
7467 iwe.u.data.length = min(ie[1] + 2,
7468 64);
7469 current_ev = iwe_stream_add_point(
7470 info, current_ev,
7471 end_buf, &iwe, ie);
7472 }
7473 break;
7474
7475 case WLAN_EID_RSN:
7476 iwe.cmd = IWEVGENIE;
7477 /* 64 is an arbitrary cut-off */
7478 iwe.u.data.length = min(ie[1] + 2, 64);
7479 current_ev = iwe_stream_add_point(
7480 info, current_ev, end_buf,
7481 &iwe, ie);
7482 break;
7483
7484 default:
7485 break;
7486 }
7487
7488 length -= 2 + ie[1];
7489 ie += 2 + ie[1];
7490 }
7491 }
7492 return current_ev;
7493 }
7494
7495 /*------------------------------------------------------------------*/
7496 /*
7497 * Wireless Handler : Read Scan Results
7498 */
7499 static int airo_get_scan(struct net_device *dev,
7500 struct iw_request_info *info,
7501 struct iw_point *dwrq,
7502 char *extra)
7503 {
7504 struct airo_info *ai = dev->ml_priv;
7505 BSSListElement *net;
7506 int err = 0;
7507 char *current_ev = extra;
7508
7509 /* If a scan is in-progress, return -EAGAIN */
7510 if (ai->scan_timeout > 0)
7511 return -EAGAIN;
7512
7513 if (down_interruptible(&ai->sem))
7514 return -EAGAIN;
7515
7516 list_for_each_entry (net, &ai->network_list, list) {
7517 /* Translate to WE format this entry */
7518 current_ev = airo_translate_scan(dev, info, current_ev,
7519 extra + dwrq->length,
7520 &net->bss);
7521
7522 /* Check if there is space for one more entry */
7523 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7524 /* Ask user space to try again with a bigger buffer */
7525 err = -E2BIG;
7526 goto out;
7527 }
7528 }
7529
7530 /* Length of data */
7531 dwrq->length = (current_ev - extra);
7532 dwrq->flags = 0; /* todo */
7533
7534 out:
7535 up(&ai->sem);
7536 return err;
7537 }
7538
7539 /*------------------------------------------------------------------*/
7540 /*
7541 * Commit handler : called after a bunch of SET operations
7542 */
7543 static int airo_config_commit(struct net_device *dev,
7544 struct iw_request_info *info, /* NULL */
7545 void *zwrq, /* NULL */
7546 char *extra) /* NULL */
7547 {
7548 struct airo_info *local = dev->ml_priv;
7549
7550 if (!test_bit (FLAG_COMMIT, &local->flags))
7551 return 0;
7552
7553 /* Some of the "SET" function may have modified some of the
7554 * parameters. It's now time to commit them in the card */
7555 disable_MAC(local, 1);
7556 if (test_bit (FLAG_RESET, &local->flags)) {
7557 APListRid APList_rid;
7558 SsidRid SSID_rid;
7559
7560 readAPListRid(local, &APList_rid);
7561 readSsidRid(local, &SSID_rid);
7562 if (test_bit(FLAG_MPI,&local->flags))
7563 setup_card(local, dev->dev_addr, 1 );
7564 else
7565 reset_airo_card(dev);
7566 disable_MAC(local, 1);
7567 writeSsidRid(local, &SSID_rid, 1);
7568 writeAPListRid(local, &APList_rid, 1);
7569 }
7570 if (down_interruptible(&local->sem))
7571 return -ERESTARTSYS;
7572 writeConfigRid(local, 0);
7573 enable_MAC(local, 0);
7574 if (test_bit (FLAG_RESET, &local->flags))
7575 airo_set_promisc(local);
7576 else
7577 up(&local->sem);
7578
7579 return 0;
7580 }
7581
7582 /*------------------------------------------------------------------*/
7583 /*
7584 * Structures to export the Wireless Handlers
7585 */
7586
7587 static const struct iw_priv_args airo_private_args[] = {
7588 /*{ cmd, set_args, get_args, name } */
7589 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7590 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7591 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7592 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7593 };
7594
7595 static const iw_handler airo_handler[] =
7596 {
7597 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7598 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7599 (iw_handler) NULL, /* SIOCSIWNWID */
7600 (iw_handler) NULL, /* SIOCGIWNWID */
7601 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7602 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7603 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7604 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7605 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7606 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7607 (iw_handler) NULL, /* SIOCSIWRANGE */
7608 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7609 (iw_handler) NULL, /* SIOCSIWPRIV */
7610 (iw_handler) NULL, /* SIOCGIWPRIV */
7611 (iw_handler) NULL, /* SIOCSIWSTATS */
7612 (iw_handler) NULL, /* SIOCGIWSTATS */
7613 iw_handler_set_spy, /* SIOCSIWSPY */
7614 iw_handler_get_spy, /* SIOCGIWSPY */
7615 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7616 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7617 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7618 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7619 (iw_handler) NULL, /* -- hole -- */
7620 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7621 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7622 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7623 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7624 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7625 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7626 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7627 (iw_handler) NULL, /* -- hole -- */
7628 (iw_handler) NULL, /* -- hole -- */
7629 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7630 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7631 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7632 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7633 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7634 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7635 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7636 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7637 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7638 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7639 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7640 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7641 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7642 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7643 (iw_handler) NULL, /* -- hole -- */
7644 (iw_handler) NULL, /* -- hole -- */
7645 (iw_handler) NULL, /* SIOCSIWGENIE */
7646 (iw_handler) NULL, /* SIOCGIWGENIE */
7647 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7648 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7649 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7650 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7651 (iw_handler) NULL, /* SIOCSIWPMKSA */
7652 };
7653
7654 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7655 * We want to force the use of the ioctl code, because those can't be
7656 * won't work the iw_handler code (because they simultaneously read
7657 * and write data and iw_handler can't do that).
7658 * Note that it's perfectly legal to read/write on a single ioctl command,
7659 * you just can't use iwpriv and need to force it via the ioctl handler.
7660 * Jean II */
7661 static const iw_handler airo_private_handler[] =
7662 {
7663 NULL, /* SIOCIWFIRSTPRIV */
7664 };
7665
7666 static const struct iw_handler_def airo_handler_def =
7667 {
7668 .num_standard = ARRAY_SIZE(airo_handler),
7669 .num_private = ARRAY_SIZE(airo_private_handler),
7670 .num_private_args = ARRAY_SIZE(airo_private_args),
7671 .standard = airo_handler,
7672 .private = airo_private_handler,
7673 .private_args = airo_private_args,
7674 .get_wireless_stats = airo_get_wireless_stats,
7675 };
7676
7677 /*
7678 * This defines the configuration part of the Wireless Extensions
7679 * Note : irq and spinlock protection will occur in the subroutines
7680 *
7681 * TODO :
7682 * o Check input value more carefully and fill correct values in range
7683 * o Test and shakeout the bugs (if any)
7684 *
7685 * Jean II
7686 *
7687 * Javier Achirica did a great job of merging code from the unnamed CISCO
7688 * developer that added support for flashing the card.
7689 */
7690 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7691 {
7692 int rc = 0;
7693 struct airo_info *ai = dev->ml_priv;
7694
7695 if (ai->power.event)
7696 return 0;
7697
7698 switch (cmd) {
7699 #ifdef CISCO_EXT
7700 case AIROIDIFC:
7701 #ifdef AIROOLDIDIFC
7702 case AIROOLDIDIFC:
7703 #endif
7704 {
7705 int val = AIROMAGIC;
7706 aironet_ioctl com;
7707 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7708 rc = -EFAULT;
7709 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7710 rc = -EFAULT;
7711 }
7712 break;
7713
7714 case AIROIOCTL:
7715 #ifdef AIROOLDIOCTL
7716 case AIROOLDIOCTL:
7717 #endif
7718 /* Get the command struct and hand it off for evaluation by
7719 * the proper subfunction
7720 */
7721 {
7722 aironet_ioctl com;
7723 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7724 rc = -EFAULT;
7725 break;
7726 }
7727
7728 /* Separate R/W functions bracket legality here
7729 */
7730 if ( com.command == AIRORSWVERSION ) {
7731 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7732 rc = -EFAULT;
7733 else
7734 rc = 0;
7735 }
7736 else if ( com.command <= AIRORRID)
7737 rc = readrids(dev,&com);
7738 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7739 rc = writerids(dev,&com);
7740 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7741 rc = flashcard(dev,&com);
7742 else
7743 rc = -EINVAL; /* Bad command in ioctl */
7744 }
7745 break;
7746 #endif /* CISCO_EXT */
7747
7748 // All other calls are currently unsupported
7749 default:
7750 rc = -EOPNOTSUPP;
7751 }
7752 return rc;
7753 }
7754
7755 /*
7756 * Get the Wireless stats out of the driver
7757 * Note : irq and spinlock protection will occur in the subroutines
7758 *
7759 * TODO :
7760 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7761 *
7762 * Jean
7763 */
7764 static void airo_read_wireless_stats(struct airo_info *local)
7765 {
7766 StatusRid status_rid;
7767 StatsRid stats_rid;
7768 CapabilityRid cap_rid;
7769 __le32 *vals = stats_rid.vals;
7770
7771 /* Get stats out of the card */
7772 clear_bit(JOB_WSTATS, &local->jobs);
7773 if (local->power.event) {
7774 up(&local->sem);
7775 return;
7776 }
7777 readCapabilityRid(local, &cap_rid, 0);
7778 readStatusRid(local, &status_rid, 0);
7779 readStatsRid(local, &stats_rid, RID_STATS, 0);
7780 up(&local->sem);
7781
7782 /* The status */
7783 local->wstats.status = le16_to_cpu(status_rid.mode);
7784
7785 /* Signal quality and co */
7786 if (local->rssi) {
7787 local->wstats.qual.level =
7788 airo_rssi_to_dbm(local->rssi,
7789 le16_to_cpu(status_rid.sigQuality));
7790 /* normalizedSignalStrength appears to be a percentage */
7791 local->wstats.qual.qual =
7792 le16_to_cpu(status_rid.normalizedSignalStrength);
7793 } else {
7794 local->wstats.qual.level =
7795 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7796 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7797 }
7798 if (le16_to_cpu(status_rid.len) >= 124) {
7799 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7800 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7801 } else {
7802 local->wstats.qual.noise = 0;
7803 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7804 }
7805
7806 /* Packets discarded in the wireless adapter due to wireless
7807 * specific problems */
7808 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7809 le32_to_cpu(vals[57]) +
7810 le32_to_cpu(vals[58]); /* SSID Mismatch */
7811 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7812 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7813 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7814 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7815 le32_to_cpu(vals[32]);
7816 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7817 }
7818
7819 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7820 {
7821 struct airo_info *local = dev->ml_priv;
7822
7823 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7824 /* Get stats out of the card if available */
7825 if (down_trylock(&local->sem) != 0) {
7826 set_bit(JOB_WSTATS, &local->jobs);
7827 wake_up_interruptible(&local->thr_wait);
7828 } else
7829 airo_read_wireless_stats(local);
7830 }
7831
7832 return &local->wstats;
7833 }
7834
7835 #ifdef CISCO_EXT
7836 /*
7837 * This just translates from driver IOCTL codes to the command codes to
7838 * feed to the radio's host interface. Things can be added/deleted
7839 * as needed. This represents the READ side of control I/O to
7840 * the card
7841 */
7842 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7843 unsigned short ridcode;
7844 unsigned char *iobuf;
7845 int len;
7846 struct airo_info *ai = dev->ml_priv;
7847
7848 if (test_bit(FLAG_FLASHING, &ai->flags))
7849 return -EIO;
7850
7851 switch(comp->command)
7852 {
7853 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7854 case AIROGCFG: ridcode = RID_CONFIG;
7855 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7856 disable_MAC (ai, 1);
7857 writeConfigRid (ai, 1);
7858 enable_MAC(ai, 1);
7859 }
7860 break;
7861 case AIROGSLIST: ridcode = RID_SSID; break;
7862 case AIROGVLIST: ridcode = RID_APLIST; break;
7863 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7864 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7865 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7866 /* Only super-user can read WEP keys */
7867 if (!capable(CAP_NET_ADMIN))
7868 return -EPERM;
7869 break;
7870 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7871 /* Only super-user can read WEP keys */
7872 if (!capable(CAP_NET_ADMIN))
7873 return -EPERM;
7874 break;
7875 case AIROGSTAT: ridcode = RID_STATUS; break;
7876 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7877 case AIROGSTATSC32: ridcode = RID_STATS; break;
7878 case AIROGMICSTATS:
7879 if (copy_to_user(comp->data, &ai->micstats,
7880 min((int)comp->len,(int)sizeof(ai->micstats))))
7881 return -EFAULT;
7882 return 0;
7883 case AIRORRID: ridcode = comp->ridnum; break;
7884 default:
7885 return -EINVAL;
7886 break;
7887 }
7888
7889 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7890 return -ENOMEM;
7891
7892 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7893 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7894 * then return it to the user
7895 * 9/22/2000 Honor user given length
7896 */
7897 len = comp->len;
7898
7899 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7900 kfree (iobuf);
7901 return -EFAULT;
7902 }
7903 kfree (iobuf);
7904 return 0;
7905 }
7906
7907 /*
7908 * Danger Will Robinson write the rids here
7909 */
7910
7911 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7912 struct airo_info *ai = dev->ml_priv;
7913 int ridcode;
7914 int enabled;
7915 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7916 unsigned char *iobuf;
7917
7918 /* Only super-user can write RIDs */
7919 if (!capable(CAP_NET_ADMIN))
7920 return -EPERM;
7921
7922 if (test_bit(FLAG_FLASHING, &ai->flags))
7923 return -EIO;
7924
7925 ridcode = 0;
7926 writer = do_writerid;
7927
7928 switch(comp->command)
7929 {
7930 case AIROPSIDS: ridcode = RID_SSID; break;
7931 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7932 case AIROPAPLIST: ridcode = RID_APLIST; break;
7933 case AIROPCFG: ai->config.len = 0;
7934 clear_bit(FLAG_COMMIT, &ai->flags);
7935 ridcode = RID_CONFIG; break;
7936 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7937 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7938 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7939 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7940 break;
7941 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7942 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7943
7944 /* this is not really a rid but a command given to the card
7945 * same with MAC off
7946 */
7947 case AIROPMACON:
7948 if (enable_MAC(ai, 1) != 0)
7949 return -EIO;
7950 return 0;
7951
7952 /*
7953 * Evidently this code in the airo driver does not get a symbol
7954 * as disable_MAC. it's probably so short the compiler does not gen one.
7955 */
7956 case AIROPMACOFF:
7957 disable_MAC(ai, 1);
7958 return 0;
7959
7960 /* This command merely clears the counts does not actually store any data
7961 * only reads rid. But as it changes the cards state, I put it in the
7962 * writerid routines.
7963 */
7964 case AIROPSTCLR:
7965 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7966 return -ENOMEM;
7967
7968 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7969
7970 enabled = ai->micstats.enabled;
7971 memset(&ai->micstats,0,sizeof(ai->micstats));
7972 ai->micstats.enabled = enabled;
7973
7974 if (copy_to_user(comp->data, iobuf,
7975 min((int)comp->len, (int)RIDSIZE))) {
7976 kfree (iobuf);
7977 return -EFAULT;
7978 }
7979 kfree (iobuf);
7980 return 0;
7981
7982 default:
7983 return -EOPNOTSUPP; /* Blarg! */
7984 }
7985 if(comp->len > RIDSIZE)
7986 return -EINVAL;
7987
7988 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7989 return -ENOMEM;
7990
7991 if (copy_from_user(iobuf,comp->data,comp->len)) {
7992 kfree (iobuf);
7993 return -EFAULT;
7994 }
7995
7996 if (comp->command == AIROPCFG) {
7997 ConfigRid *cfg = (ConfigRid *)iobuf;
7998
7999 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
8000 cfg->opmode |= MODE_MIC;
8001
8002 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
8003 set_bit (FLAG_ADHOC, &ai->flags);
8004 else
8005 clear_bit (FLAG_ADHOC, &ai->flags);
8006 }
8007
8008 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
8009 kfree (iobuf);
8010 return -EIO;
8011 }
8012 kfree (iobuf);
8013 return 0;
8014 }
8015
8016 /*****************************************************************************
8017 * Ancillary flash / mod functions much black magic lurkes here *
8018 *****************************************************************************
8019 */
8020
8021 /*
8022 * Flash command switch table
8023 */
8024
8025 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8026 int z;
8027
8028 /* Only super-user can modify flash */
8029 if (!capable(CAP_NET_ADMIN))
8030 return -EPERM;
8031
8032 switch(comp->command)
8033 {
8034 case AIROFLSHRST:
8035 return cmdreset((struct airo_info *)dev->ml_priv);
8036
8037 case AIROFLSHSTFL:
8038 if (!AIRO_FLASH(dev) &&
8039 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8040 return -ENOMEM;
8041 return setflashmode((struct airo_info *)dev->ml_priv);
8042
8043 case AIROFLSHGCHR: /* Get char from aux */
8044 if(comp->len != sizeof(int))
8045 return -EINVAL;
8046 if (copy_from_user(&z,comp->data,comp->len))
8047 return -EFAULT;
8048 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8049
8050 case AIROFLSHPCHR: /* Send char to card. */
8051 if(comp->len != sizeof(int))
8052 return -EINVAL;
8053 if (copy_from_user(&z,comp->data,comp->len))
8054 return -EFAULT;
8055 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8056
8057 case AIROFLPUTBUF: /* Send 32k to card */
8058 if (!AIRO_FLASH(dev))
8059 return -ENOMEM;
8060 if(comp->len > FLASHSIZE)
8061 return -EINVAL;
8062 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8063 return -EFAULT;
8064
8065 flashputbuf((struct airo_info *)dev->ml_priv);
8066 return 0;
8067
8068 case AIRORESTART:
8069 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8070 return -EIO;
8071 return 0;
8072 }
8073 return -EINVAL;
8074 }
8075
8076 #define FLASH_COMMAND 0x7e7e
8077
8078 /*
8079 * STEP 1)
8080 * Disable MAC and do soft reset on
8081 * card.
8082 */
8083
8084 static int cmdreset(struct airo_info *ai) {
8085 disable_MAC(ai, 1);
8086
8087 if(!waitbusy (ai)){
8088 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8089 return -EBUSY;
8090 }
8091
8092 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8093
8094 ssleep(1); /* WAS 600 12/7/00 */
8095
8096 if(!waitbusy (ai)){
8097 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8098 return -EBUSY;
8099 }
8100 return 0;
8101 }
8102
8103 /* STEP 2)
8104 * Put the card in legendary flash
8105 * mode
8106 */
8107
8108 static int setflashmode (struct airo_info *ai) {
8109 set_bit (FLAG_FLASHING, &ai->flags);
8110
8111 OUT4500(ai, SWS0, FLASH_COMMAND);
8112 OUT4500(ai, SWS1, FLASH_COMMAND);
8113 if (probe) {
8114 OUT4500(ai, SWS0, FLASH_COMMAND);
8115 OUT4500(ai, COMMAND,0x10);
8116 } else {
8117 OUT4500(ai, SWS2, FLASH_COMMAND);
8118 OUT4500(ai, SWS3, FLASH_COMMAND);
8119 OUT4500(ai, COMMAND,0);
8120 }
8121 msleep(500); /* 500ms delay */
8122
8123 if(!waitbusy(ai)) {
8124 clear_bit (FLAG_FLASHING, &ai->flags);
8125 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8126 return -EIO;
8127 }
8128 return 0;
8129 }
8130
8131 /* Put character to SWS0 wait for dwelltime
8132 * x 50us for echo .
8133 */
8134
8135 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8136 int echo;
8137 int waittime;
8138
8139 byte |= 0x8000;
8140
8141 if(dwelltime == 0 )
8142 dwelltime = 200;
8143
8144 waittime=dwelltime;
8145
8146 /* Wait for busy bit d15 to go false indicating buffer empty */
8147 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8148 udelay (50);
8149 waittime -= 50;
8150 }
8151
8152 /* timeout for busy clear wait */
8153 if(waittime <= 0 ){
8154 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8155 return -EBUSY;
8156 }
8157
8158 /* Port is clear now write byte and wait for it to echo back */
8159 do {
8160 OUT4500(ai,SWS0,byte);
8161 udelay(50);
8162 dwelltime -= 50;
8163 echo = IN4500(ai,SWS1);
8164 } while (dwelltime >= 0 && echo != byte);
8165
8166 OUT4500(ai,SWS1,0);
8167
8168 return (echo == byte) ? 0 : -EIO;
8169 }
8170
8171 /*
8172 * Get a character from the card matching matchbyte
8173 * Step 3)
8174 */
8175 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8176 int rchar;
8177 unsigned char rbyte=0;
8178
8179 do {
8180 rchar = IN4500(ai,SWS1);
8181
8182 if(dwelltime && !(0x8000 & rchar)){
8183 dwelltime -= 10;
8184 mdelay(10);
8185 continue;
8186 }
8187 rbyte = 0xff & rchar;
8188
8189 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8190 OUT4500(ai,SWS1,0);
8191 return 0;
8192 }
8193 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8194 break;
8195 OUT4500(ai,SWS1,0);
8196
8197 }while(dwelltime > 0);
8198 return -EIO;
8199 }
8200
8201 /*
8202 * Transfer 32k of firmware data from user buffer to our buffer and
8203 * send to the card
8204 */
8205
8206 static int flashputbuf(struct airo_info *ai){
8207 int nwords;
8208
8209 /* Write stuff */
8210 if (test_bit(FLAG_MPI,&ai->flags))
8211 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8212 else {
8213 OUT4500(ai,AUXPAGE,0x100);
8214 OUT4500(ai,AUXOFF,0);
8215
8216 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8217 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8218 }
8219 }
8220 OUT4500(ai,SWS0,0x8000);
8221
8222 return 0;
8223 }
8224
8225 /*
8226 *
8227 */
8228 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8229 int i,status;
8230
8231 ssleep(1); /* Added 12/7/00 */
8232 clear_bit (FLAG_FLASHING, &ai->flags);
8233 if (test_bit(FLAG_MPI, &ai->flags)) {
8234 status = mpi_init_descriptors(ai);
8235 if (status != SUCCESS)
8236 return status;
8237 }
8238 status = setup_card(ai, dev->dev_addr, 1);
8239
8240 if (!test_bit(FLAG_MPI,&ai->flags))
8241 for( i = 0; i < MAX_FIDS; i++ ) {
8242 ai->fids[i] = transmit_allocate
8243 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8244 }
8245
8246 ssleep(1); /* Added 12/7/00 */
8247 return status;
8248 }
8249 #endif /* CISCO_EXT */
8250
8251 /*
8252 This program is free software; you can redistribute it and/or
8253 modify it under the terms of the GNU General Public License
8254 as published by the Free Software Foundation; either version 2
8255 of the License, or (at your option) any later version.
8256
8257 This program is distributed in the hope that it will be useful,
8258 but WITHOUT ANY WARRANTY; without even the implied warranty of
8259 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8260 GNU General Public License for more details.
8261
8262 In addition:
8263
8264 Redistribution and use in source and binary forms, with or without
8265 modification, are permitted provided that the following conditions
8266 are met:
8267
8268 1. Redistributions of source code must retain the above copyright
8269 notice, this list of conditions and the following disclaimer.
8270 2. Redistributions in binary form must reproduce the above copyright
8271 notice, this list of conditions and the following disclaimer in the
8272 documentation and/or other materials provided with the distribution.
8273 3. The name of the author may not be used to endorse or promote
8274 products derived from this software without specific prior written
8275 permission.
8276
8277 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8278 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8279 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8280 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8281 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8282 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8283 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8284 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8285 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8286 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8287 POSSIBILITY OF SUCH DAMAGE.
8288 */
8289
8290 module_init(airo_init_module);
8291 module_exit(airo_cleanup_module);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree