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[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / cisco / airo.c
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <linux/io.h>
40 #include <asm/unaligned.h>
41
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <linux/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
51
52 #include <net/cfg80211.h>
53 #include <net/iw_handler.h>
54
55 #include "airo.h"
56
57 #define DRV_NAME "airo"
58
59 #ifdef CONFIG_PCI
60 static const struct pci_device_id card_ids[] = {
61 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
63 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0, }
69 };
70 MODULE_DEVICE_TABLE(pci, card_ids);
71
72 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
73 static void airo_pci_remove(struct pci_dev *);
74 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
75 static int airo_pci_resume(struct pci_dev *pdev);
76
77 static struct pci_driver airo_driver = {
78 .name = DRV_NAME,
79 .id_table = card_ids,
80 .probe = airo_pci_probe,
81 .remove = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84 };
85 #endif /* CONFIG_PCI */
86
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
90
91 #define CISCO_EXT /* enable Cisco extensions */
92 #ifdef CISCO_EXT
93 #include <linux/delay.h>
94 #endif
95
96 /* Hack to do some power saving */
97 #define POWER_ON_DOWN
98
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105 #define IGNLABEL(comment) NULL
106 static const char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208 #ifndef RUN_AT
209 #define RUN_AT(x) (jiffies+(x))
210 #endif
211
212
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217 static int rates[8];
218 static char *ssids[3];
219
220 static int io[4];
221 static int irq[4];
222
223 static
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230 static int adhoc;
231
232 static int probe = 1;
233
234 static kuid_t proc_kuid;
235 static int proc_uid /* = 0 */;
236
237 static kgid_t proc_kgid;
238 static int proc_gid /* = 0 */;
239
240 static int airo_perm = 0555;
241
242 static int proc_perm = 0644;
243
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
286
287 /* Return codes */
288 #define SUCCESS 0
289 #define ERROR -1
290 #define NO_PACKET -2
291
292 /* Commands */
293 #define NOP2 0x0000
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
306 #define NOP 0x0010
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
329
330 /* Command errors */
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
363
364 /* Registers */
365 #define COMMAND 0x00
366 #define PARAM0 0x02
367 #define PARAM1 0x04
368 #define PARAM2 0x06
369 #define STATUS 0x08
370 #define RESP0 0x0a
371 #define RESP1 0x0c
372 #define RESP2 0x0e
373 #define LINKSTAT 0x10
374 #define SELECT0 0x18
375 #define OFFSET0 0x1c
376 #define RXFID 0x20
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
379 #define DATA0 0x36
380 #define EVSTAT 0x30
381 #define EVINTEN 0x32
382 #define EVACK 0x34
383 #define SWS0 0x28
384 #define SWS1 0x2a
385 #define SWS2 0x2c
386 #define SWS3 0x2e
387 #define AUXPAGE 0x3A
388 #define AUXOFF 0x3C
389 #define AUXDATA 0x3E
390
391 #define FID_TX 1
392 #define FID_RX 2
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
396 #define PKTSIZE 1840
397 #define RIDSIZE 2048
398 /* Size of the transmit queue */
399 #define MAXTXQ 64
400
401 /* BAP selectors */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405 /* Flags */
406 #define COMMAND_BUSY 0x8000
407
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
411
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
414
415 #define EV_CMD 0x10
416 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_RX 0x01
418 #define EV_TX 0x02
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
421 #define EV_LINK 0x80
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #else
432 #define IGNORE_INTS (~STATUS_INTS)
433 #endif
434
435 /* RID TYPES */
436 #define RID_RW 0x20
437
438 /* The RIDs */
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
478
479 typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484 } Cmd;
485
486 typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491 } Resp;
492
493 /*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501 typedef struct WepKeyRid WepKeyRid;
502 struct WepKeyRid {
503 __le16 len;
504 __le16 kindex;
505 u8 mac[ETH_ALEN];
506 __le16 klen;
507 u8 key[16];
508 } __packed;
509
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct Ssid Ssid;
512 struct Ssid {
513 __le16 len;
514 u8 ssid[32];
515 } __packed;
516
517 typedef struct SsidRid SsidRid;
518 struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521 } __packed;
522
523 typedef struct ModulationRid ModulationRid;
524 struct ModulationRid {
525 __le16 len;
526 __le16 modulation;
527 #define MOD_DEFAULT cpu_to_le16(0)
528 #define MOD_CCK cpu_to_le16(1)
529 #define MOD_MOK cpu_to_le16(2)
530 } __packed;
531
532 typedef struct ConfigRid ConfigRid;
533 struct ConfigRid {
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536 #define MODE_STA_IBSS cpu_to_le16(0)
537 #define MODE_STA_ESS cpu_to_le16(1)
538 #define MODE_AP cpu_to_le16(2)
539 #define MODE_AP_RPTR cpu_to_le16(3)
540 #define MODE_CFG_MASK cpu_to_le16(0xff)
541 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557 #define RXMODE_MASK cpu_to_le16(255)
558 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
576 __le16 scanMode;
577 #define SCANMODE_ACTIVE cpu_to_le16(0)
578 #define SCANMODE_PASSIVE cpu_to_le16(1)
579 #define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587 #define AUTH_OPEN cpu_to_le16(0x1)
588 #define AUTH_ENCRYPT cpu_to_le16(0x101)
589 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
590 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602 #define POWERSAVE_CAM cpu_to_le16(0)
603 #define POWERSAVE_PSP cpu_to_le16(1)
604 #define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
620 /*---------- Radio configuration ----------*/
621 __le16 radioType;
622 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
623 #define RADIOTYPE_802_11 cpu_to_le16(1)
624 #define RADIOTYPE_LEGACY cpu_to_le16(2)
625 u8 rxDiversity;
626 u8 txDiversity;
627 __le16 txPower;
628 #define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630 #define RSSI_DEFAULT 0
631 __le16 modulation;
632 #define PREAMBLE_AUTO cpu_to_le16(0)
633 #define PREAMBLE_LONG cpu_to_le16(1)
634 #define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646 #define MAGIC_ACTION_STSCHG 1
647 #define MAGIC_ACTION_RESUME 2
648 #define MAGIC_IGNORE_MCAST (1<<8)
649 #define MAGIC_IGNORE_BCAST (1<<9)
650 #define MAGIC_SWITCH_TO_PSP (0<<10)
651 #define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
653 __le16 autoWake;
654 } __packed;
655
656 typedef struct StatusRid StatusRid;
657 struct StatusRid {
658 __le16 len;
659 u8 mac[ETH_ALEN];
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689 __le16 load;
690 u8 carrier[4];
691 __le16 assocStatus;
692 #define STAT_NOPACKETS 0
693 #define STAT_NOCARRIERSET 10
694 #define STAT_GOTCARRIERSET 11
695 #define STAT_WRONGSSID 20
696 #define STAT_BADCHANNEL 25
697 #define STAT_BADBITRATES 30
698 #define STAT_BADPRIVACY 35
699 #define STAT_APFOUND 40
700 #define STAT_APREJECTED 50
701 #define STAT_AUTHENTICATING 60
702 #define STAT_DEAUTHENTICATED 61
703 #define STAT_AUTHTIMEOUT 62
704 #define STAT_ASSOCIATING 70
705 #define STAT_DEASSOCIATED 71
706 #define STAT_ASSOCTIMEOUT 72
707 #define STAT_NOTAIROAP 73
708 #define STAT_ASSOCIATED 80
709 #define STAT_LEAPING 90
710 #define STAT_LEAPFAILED 91
711 #define STAT_LEAPTIMEDOUT 92
712 #define STAT_LEAPCOMPLETE 93
713 } __packed;
714
715 typedef struct StatsRid StatsRid;
716 struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720 } __packed;
721
722 typedef struct APListRid APListRid;
723 struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726 } __packed;
727
728 typedef struct CapabilityRid CapabilityRid;
729 struct CapabilityRid {
730 __le16 len;
731 char oui[3];
732 char zero;
733 __le16 prodNum;
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
739 __le16 radioType;
740 __le16 country;
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
756 } __packed;
757
758 /* Only present on firmware >= 5.30.17 */
759 typedef struct BSSListRidExtra BSSListRidExtra;
760 struct BSSListRidExtra {
761 __le16 unknown[4];
762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
764 } __packed;
765
766 typedef struct BSSListRid BSSListRid;
767 struct BSSListRid {
768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770 #define RADIO_FH 1 /* Frequency hopping radio type */
771 #define RADIO_DS 2 /* Direct sequence radio type */
772 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
773 __le16 radioType;
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
778 __le16 dBm;
779 #define CAP_ESS cpu_to_le16(1<<0)
780 #define CAP_IBSS cpu_to_le16(1<<1)
781 #define CAP_PRIVACY cpu_to_le16(1<<4)
782 #define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
787 __le16 dwell;
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
793 __le16 dsChannel;
794 __le16 atimWindow;
795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
798 } __packed;
799
800 typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803 } BSSListElement;
804
805 typedef struct tdsRssiEntry tdsRssiEntry;
806 struct tdsRssiEntry {
807 u8 rssipct;
808 u8 rssidBm;
809 } __packed;
810
811 typedef struct tdsRssiRid tdsRssiRid;
812 struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815 } __packed;
816
817 typedef struct MICRid MICRid;
818 struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
822 u8 multicast[16];
823 __le16 unicastValid;
824 u8 unicast[16];
825 } __packed;
826
827 typedef struct MICBuffer MICBuffer;
828 struct MICBuffer {
829 __be16 typelen;
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
841 __be32 mic;
842 __be32 seq;
843 } __packed;
844
845 typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848 } etherHead;
849
850 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
851 #define TXCTL_TXEX (1<<2) /* report if tx fails */
852 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
853 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855 #define TXCTL_LLC (1<<4) /* payload is llc */
856 #define TXCTL_RELEASE (0<<5) /* release after completion */
857 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859 #define BUSY_FID 0x10000
860
861 #ifdef CISCO_EXT
862 #define AIROMAGIC 0xa55a
863 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864 #ifdef SIOCIWFIRSTPRIV
865 #ifdef SIOCDEVPRIVATE
866 #define AIROOLDIOCTL SIOCDEVPRIVATE
867 #define AIROOLDIDIFC AIROOLDIOCTL + 1
868 #endif /* SIOCDEVPRIVATE */
869 #else /* SIOCIWFIRSTPRIV */
870 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871 #endif /* SIOCIWFIRSTPRIV */
872 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876 #define AIROIOCTL SIOCIWFIRSTPRIV
877 #define AIROIDIFC AIROIOCTL + 1
878
879 /* Ioctl constants to be used in airo_ioctl.command */
880
881 #define AIROGCAP 0 // Capability rid
882 #define AIROGCFG 1 // USED A LOT
883 #define AIROGSLIST 2 // System ID list
884 #define AIROGVLIST 3 // List of specified AP's
885 #define AIROGDRVNAM 4 // NOTUSED
886 #define AIROGEHTENC 5 // NOTUSED
887 #define AIROGWEPKTMP 6
888 #define AIROGWEPKNV 7
889 #define AIROGSTAT 8
890 #define AIROGSTATSC32 9
891 #define AIROGSTATSD32 10
892 #define AIROGMICRID 11
893 #define AIROGMICSTATS 12
894 #define AIROGFLAGS 13
895 #define AIROGID 14
896 #define AIRORRID 15
897 #define AIRORSWVERSION 17
898
899 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901 #define AIROPCAP AIROGSTATSD32 + 40
902 #define AIROPVLIST AIROPCAP + 1
903 #define AIROPSLIST AIROPVLIST + 1
904 #define AIROPCFG AIROPSLIST + 1
905 #define AIROPSIDS AIROPCFG + 1
906 #define AIROPAPLIST AIROPSIDS + 1
907 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909 #define AIROPSTCLR AIROPMACOFF + 1
910 #define AIROPWEPKEY AIROPSTCLR + 1
911 #define AIROPWEPKEYNV AIROPWEPKEY + 1
912 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
913 #define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915 /* Flash codes */
916
917 #define AIROFLSHRST AIROPWEPKEYNV + 40
918 #define AIROFLSHGCHR AIROFLSHRST + 1
919 #define AIROFLSHSTFL AIROFLSHGCHR + 1
920 #define AIROFLSHPCHR AIROFLSHSTFL + 1
921 #define AIROFLPUTBUF AIROFLSHPCHR + 1
922 #define AIRORESTART AIROFLPUTBUF + 1
923
924 #define FLASHSIZE 32768
925 #define AUXMEMSIZE (256 * 1024)
926
927 typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932 } aironet_ioctl;
933
934 static const char swversion[] = "2.1";
935 #endif /* CISCO_EXT */
936
937 #define NUM_MODULES 2
938 #define MIC_MSGLEN_MAX 2400
939 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940 #define AIRO_DEF_MTU 2312
941
942 typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951 } mic_statistics;
952
953 typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
959 __be32 d32;
960 } part; // saves partial message word across update() calls
961 } emmh32_context;
962
963 typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970 } miccntx;
971
972 typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975 } mic_module;
976
977 typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982 } Rid;
983
984 typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990 } TxFid;
991
992 struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998 } __packed;
999
1000 typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006 } RxFid;
1007
1008 /*
1009 * Host receive descriptor
1010 */
1011 typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018 } HostRxDesc;
1019
1020 /*
1021 * Host transmit descriptor
1022 */
1023 typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030 } HostTxDesc;
1031
1032 /*
1033 * Host RID descriptor
1034 */
1035 typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041 } HostRidDesc;
1042
1043 typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048 #define HOST_SET (1 << 0)
1049 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055 #define HOST_RTS (1 << 9) /* Force RTS use */
1056 #define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061 } TxCtlHdr;
1062
1063 typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071 } WifiHdr;
1072
1073
1074 typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081 } WifiCtlHdr;
1082
1083 static WifiCtlHdr wifictlhdr8023 = {
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087 };
1088
1089 // A few details needed for WEP (Wireless Equivalent Privacy)
1090 #define MAX_KEY_SIZE 13 // 128 (?) bits
1091 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092 typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095 } wep_key_t;
1096
1097 /* List of Wireless Handlers (new API) */
1098 static const struct iw_handler_def airo_handler_def;
1099
1100 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102 struct airo_info;
1103
1104 static int get_dec_u16( char *buffer, int *start, int limit );
1105 static void OUT4500( struct airo_info *, u16 register, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 register );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 int whichbap);
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119 int whichbap);
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1135
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1142 #ifdef CISCO_EXT
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155 static void airo_networks_free(struct airo_info *ai);
1156
1157 struct airo_info {
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162 #define MAX_FIDS 6
1163 #define MPI_MAX_FIDS 1
1164 u32 fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1182 #define FLAG_MPI 11
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189 #define JOB_DIE 0
1190 #define JOB_XMIT 1
1191 #define JOB_XMIT11 2
1192 #define JOB_STATS 3
1193 #define JOB_PROMISC 4
1194 #define JOB_MIC 5
1195 #define JOB_EVENT 6
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1218 /* MIC stuff */
1219 struct crypto_cipher *tfm;
1220 mic_module mod[2];
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1232 pm_message_t power;
1233 SsidRid *SSID;
1234 APListRid APList;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1237
1238 int wep_capable;
1239 int max_wep_idx;
1240 int last_auth;
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 const u8 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,(u8*)(frame + 1),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, (u8 *)(eth + 1),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 writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1852 {
1853 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1854 }
1855
1856 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1857 {
1858 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1859 }
1860
1861 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1862 {
1863 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1864 }
1865
1866 static void try_auto_wep(struct airo_info *ai)
1867 {
1868 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1869 ai->expires = RUN_AT(3*HZ);
1870 wake_up_interruptible(&ai->thr_wait);
1871 }
1872 }
1873
1874 static int airo_open(struct net_device *dev) {
1875 struct airo_info *ai = dev->ml_priv;
1876 int rc = 0;
1877
1878 if (test_bit(FLAG_FLASHING, &ai->flags))
1879 return -EIO;
1880
1881 /* Make sure the card is configured.
1882 * Wireless Extensions may postpone config changes until the card
1883 * is open (to pipeline changes and speed-up card setup). If
1884 * those changes are not yet committed, do it now - Jean II */
1885 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1886 disable_MAC(ai, 1);
1887 writeConfigRid(ai, 1);
1888 }
1889
1890 if (ai->wifidev != dev) {
1891 clear_bit(JOB_DIE, &ai->jobs);
1892 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1893 dev->name);
1894 if (IS_ERR(ai->airo_thread_task))
1895 return (int)PTR_ERR(ai->airo_thread_task);
1896
1897 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1898 dev->name, dev);
1899 if (rc) {
1900 airo_print_err(dev->name,
1901 "register interrupt %d failed, rc %d",
1902 dev->irq, rc);
1903 set_bit(JOB_DIE, &ai->jobs);
1904 kthread_stop(ai->airo_thread_task);
1905 return rc;
1906 }
1907
1908 /* Power on the MAC controller (which may have been disabled) */
1909 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1910 enable_interrupts(ai);
1911
1912 try_auto_wep(ai);
1913 }
1914 enable_MAC(ai, 1);
1915
1916 netif_start_queue(dev);
1917 return 0;
1918 }
1919
1920 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1921 struct net_device *dev)
1922 {
1923 int npacks, pending;
1924 unsigned long flags;
1925 struct airo_info *ai = dev->ml_priv;
1926
1927 if (!skb) {
1928 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1929 return NETDEV_TX_OK;
1930 }
1931 npacks = skb_queue_len (&ai->txq);
1932
1933 if (npacks >= MAXTXQ - 1) {
1934 netif_stop_queue (dev);
1935 if (npacks > MAXTXQ) {
1936 dev->stats.tx_fifo_errors++;
1937 return NETDEV_TX_BUSY;
1938 }
1939 skb_queue_tail (&ai->txq, skb);
1940 return NETDEV_TX_OK;
1941 }
1942
1943 spin_lock_irqsave(&ai->aux_lock, flags);
1944 skb_queue_tail (&ai->txq, skb);
1945 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1946 spin_unlock_irqrestore(&ai->aux_lock,flags);
1947 netif_wake_queue (dev);
1948
1949 if (pending == 0) {
1950 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1951 mpi_send_packet (dev);
1952 }
1953 return NETDEV_TX_OK;
1954 }
1955
1956 /*
1957 * @mpi_send_packet
1958 *
1959 * Attempt to transmit a packet. Can be called from interrupt
1960 * or transmit . return number of packets we tried to send
1961 */
1962
1963 static int mpi_send_packet (struct net_device *dev)
1964 {
1965 struct sk_buff *skb;
1966 unsigned char *buffer;
1967 s16 len;
1968 __le16 *payloadLen;
1969 struct airo_info *ai = dev->ml_priv;
1970 u8 *sendbuf;
1971
1972 /* get a packet to send */
1973
1974 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1975 airo_print_err(dev->name,
1976 "%s: Dequeue'd zero in send_packet()",
1977 __func__);
1978 return 0;
1979 }
1980
1981 /* check min length*/
1982 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1983 buffer = skb->data;
1984
1985 ai->txfids[0].tx_desc.offset = 0;
1986 ai->txfids[0].tx_desc.valid = 1;
1987 ai->txfids[0].tx_desc.eoc = 1;
1988 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1989
1990 /*
1991 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1992 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1993 * is immediately after it. ------------------------------------------------
1994 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1995 * ------------------------------------------------
1996 */
1997
1998 memcpy(ai->txfids[0].virtual_host_addr,
1999 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2000
2001 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2002 sizeof(wifictlhdr8023));
2003 sendbuf = ai->txfids[0].virtual_host_addr +
2004 sizeof(wifictlhdr8023) + 2 ;
2005
2006 /*
2007 * Firmware automatically puts 802 header on so
2008 * we don't need to account for it in the length
2009 */
2010 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2011 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2012 MICBuffer pMic;
2013
2014 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2015 return ERROR;
2016
2017 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2018 ai->txfids[0].tx_desc.len += sizeof(pMic);
2019 /* copy data into airo dma buffer */
2020 memcpy (sendbuf, buffer, sizeof(etherHead));
2021 buffer += sizeof(etherHead);
2022 sendbuf += sizeof(etherHead);
2023 memcpy (sendbuf, &pMic, sizeof(pMic));
2024 sendbuf += sizeof(pMic);
2025 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2026 } else {
2027 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2028
2029 netif_trans_update(dev);
2030
2031 /* copy data into airo dma buffer */
2032 memcpy(sendbuf, buffer, len);
2033 }
2034
2035 memcpy_toio(ai->txfids[0].card_ram_off,
2036 &ai->txfids[0].tx_desc, sizeof(TxFid));
2037
2038 OUT4500(ai, EVACK, 8);
2039
2040 dev_kfree_skb_any(skb);
2041 return 1;
2042 }
2043
2044 static void get_tx_error(struct airo_info *ai, s32 fid)
2045 {
2046 __le16 status;
2047
2048 if (fid < 0)
2049 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2050 else {
2051 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2052 return;
2053 bap_read(ai, &status, 2, BAP0);
2054 }
2055 if (le16_to_cpu(status) & 2) /* Too many retries */
2056 ai->dev->stats.tx_aborted_errors++;
2057 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2058 ai->dev->stats.tx_heartbeat_errors++;
2059 if (le16_to_cpu(status) & 8) /* Aid fail */
2060 { }
2061 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2062 ai->dev->stats.tx_carrier_errors++;
2063 if (le16_to_cpu(status) & 0x20) /* Association lost */
2064 { }
2065 /* We produce a TXDROP event only for retry or lifetime
2066 * exceeded, because that's the only status that really mean
2067 * that this particular node went away.
2068 * Other errors means that *we* screwed up. - Jean II */
2069 if ((le16_to_cpu(status) & 2) ||
2070 (le16_to_cpu(status) & 4)) {
2071 union iwreq_data wrqu;
2072 char junk[0x18];
2073
2074 /* Faster to skip over useless data than to do
2075 * another bap_setup(). We are at offset 0x6 and
2076 * need to go to 0x18 and read 6 bytes - Jean II */
2077 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2078
2079 /* Copy 802.11 dest address.
2080 * We use the 802.11 header because the frame may
2081 * not be 802.3 or may be mangled...
2082 * In Ad-Hoc mode, it will be the node address.
2083 * In managed mode, it will be most likely the AP addr
2084 * User space will figure out how to convert it to
2085 * whatever it needs (IP address or else).
2086 * - Jean II */
2087 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2088 wrqu.addr.sa_family = ARPHRD_ETHER;
2089
2090 /* Send event to user space */
2091 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2092 }
2093 }
2094
2095 static void airo_end_xmit(struct net_device *dev) {
2096 u16 status;
2097 int i;
2098 struct airo_info *priv = dev->ml_priv;
2099 struct sk_buff *skb = priv->xmit.skb;
2100 int fid = priv->xmit.fid;
2101 u32 *fids = priv->fids;
2102
2103 clear_bit(JOB_XMIT, &priv->jobs);
2104 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2105 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2106 up(&priv->sem);
2107
2108 i = 0;
2109 if ( status == SUCCESS ) {
2110 netif_trans_update(dev);
2111 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2112 } else {
2113 priv->fids[fid] &= 0xffff;
2114 dev->stats.tx_window_errors++;
2115 }
2116 if (i < MAX_FIDS / 2)
2117 netif_wake_queue(dev);
2118 dev_kfree_skb(skb);
2119 }
2120
2121 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2122 struct net_device *dev)
2123 {
2124 s16 len;
2125 int i, j;
2126 struct airo_info *priv = dev->ml_priv;
2127 u32 *fids = priv->fids;
2128
2129 if ( skb == NULL ) {
2130 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2131 return NETDEV_TX_OK;
2132 }
2133
2134 /* Find a vacant FID */
2135 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2136 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2137
2138 if ( j >= MAX_FIDS / 2 ) {
2139 netif_stop_queue(dev);
2140
2141 if (i == MAX_FIDS / 2) {
2142 dev->stats.tx_fifo_errors++;
2143 return NETDEV_TX_BUSY;
2144 }
2145 }
2146 /* check min length*/
2147 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2148 /* Mark fid as used & save length for later */
2149 fids[i] |= (len << 16);
2150 priv->xmit.skb = skb;
2151 priv->xmit.fid = i;
2152 if (down_trylock(&priv->sem) != 0) {
2153 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2154 netif_stop_queue(dev);
2155 set_bit(JOB_XMIT, &priv->jobs);
2156 wake_up_interruptible(&priv->thr_wait);
2157 } else
2158 airo_end_xmit(dev);
2159 return NETDEV_TX_OK;
2160 }
2161
2162 static void airo_end_xmit11(struct net_device *dev) {
2163 u16 status;
2164 int i;
2165 struct airo_info *priv = dev->ml_priv;
2166 struct sk_buff *skb = priv->xmit11.skb;
2167 int fid = priv->xmit11.fid;
2168 u32 *fids = priv->fids;
2169
2170 clear_bit(JOB_XMIT11, &priv->jobs);
2171 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2172 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2173 up(&priv->sem);
2174
2175 i = MAX_FIDS / 2;
2176 if ( status == SUCCESS ) {
2177 netif_trans_update(dev);
2178 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2179 } else {
2180 priv->fids[fid] &= 0xffff;
2181 dev->stats.tx_window_errors++;
2182 }
2183 if (i < MAX_FIDS)
2184 netif_wake_queue(dev);
2185 dev_kfree_skb(skb);
2186 }
2187
2188 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2189 struct net_device *dev)
2190 {
2191 s16 len;
2192 int i, j;
2193 struct airo_info *priv = dev->ml_priv;
2194 u32 *fids = priv->fids;
2195
2196 if (test_bit(FLAG_MPI, &priv->flags)) {
2197 /* Not implemented yet for MPI350 */
2198 netif_stop_queue(dev);
2199 dev_kfree_skb_any(skb);
2200 return NETDEV_TX_OK;
2201 }
2202
2203 if ( skb == NULL ) {
2204 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2205 return NETDEV_TX_OK;
2206 }
2207
2208 /* Find a vacant FID */
2209 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2210 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2211
2212 if ( j >= MAX_FIDS ) {
2213 netif_stop_queue(dev);
2214
2215 if (i == MAX_FIDS) {
2216 dev->stats.tx_fifo_errors++;
2217 return NETDEV_TX_BUSY;
2218 }
2219 }
2220 /* check min length*/
2221 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2222 /* Mark fid as used & save length for later */
2223 fids[i] |= (len << 16);
2224 priv->xmit11.skb = skb;
2225 priv->xmit11.fid = i;
2226 if (down_trylock(&priv->sem) != 0) {
2227 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2228 netif_stop_queue(dev);
2229 set_bit(JOB_XMIT11, &priv->jobs);
2230 wake_up_interruptible(&priv->thr_wait);
2231 } else
2232 airo_end_xmit11(dev);
2233 return NETDEV_TX_OK;
2234 }
2235
2236 static void airo_read_stats(struct net_device *dev)
2237 {
2238 struct airo_info *ai = dev->ml_priv;
2239 StatsRid stats_rid;
2240 __le32 *vals = stats_rid.vals;
2241
2242 clear_bit(JOB_STATS, &ai->jobs);
2243 if (ai->power.event) {
2244 up(&ai->sem);
2245 return;
2246 }
2247 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2248 up(&ai->sem);
2249
2250 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2251 le32_to_cpu(vals[45]);
2252 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2253 le32_to_cpu(vals[41]);
2254 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2255 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2256 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2257 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2258 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2259 dev->stats.tx_fifo_errors;
2260 dev->stats.multicast = le32_to_cpu(vals[43]);
2261 dev->stats.collisions = le32_to_cpu(vals[89]);
2262
2263 /* detailed rx_errors: */
2264 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2265 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2266 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2267 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2268 }
2269
2270 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2271 {
2272 struct airo_info *local = dev->ml_priv;
2273
2274 if (!test_bit(JOB_STATS, &local->jobs)) {
2275 /* Get stats out of the card if available */
2276 if (down_trylock(&local->sem) != 0) {
2277 set_bit(JOB_STATS, &local->jobs);
2278 wake_up_interruptible(&local->thr_wait);
2279 } else
2280 airo_read_stats(dev);
2281 }
2282
2283 return &dev->stats;
2284 }
2285
2286 static void airo_set_promisc(struct airo_info *ai) {
2287 Cmd cmd;
2288 Resp rsp;
2289
2290 memset(&cmd, 0, sizeof(cmd));
2291 cmd.cmd=CMD_SETMODE;
2292 clear_bit(JOB_PROMISC, &ai->jobs);
2293 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2294 issuecommand(ai, &cmd, &rsp);
2295 up(&ai->sem);
2296 }
2297
2298 static void airo_set_multicast_list(struct net_device *dev) {
2299 struct airo_info *ai = dev->ml_priv;
2300
2301 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2302 change_bit(FLAG_PROMISC, &ai->flags);
2303 if (down_trylock(&ai->sem) != 0) {
2304 set_bit(JOB_PROMISC, &ai->jobs);
2305 wake_up_interruptible(&ai->thr_wait);
2306 } else
2307 airo_set_promisc(ai);
2308 }
2309
2310 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2311 /* Turn on multicast. (Should be already setup...) */
2312 }
2313 }
2314
2315 static int airo_set_mac_address(struct net_device *dev, void *p)
2316 {
2317 struct airo_info *ai = dev->ml_priv;
2318 struct sockaddr *addr = p;
2319
2320 readConfigRid(ai, 1);
2321 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2322 set_bit (FLAG_COMMIT, &ai->flags);
2323 disable_MAC(ai, 1);
2324 writeConfigRid (ai, 1);
2325 enable_MAC(ai, 1);
2326 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2327 if (ai->wifidev)
2328 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2329 return 0;
2330 }
2331
2332 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2333 {
2334 if ((new_mtu < 68) || (new_mtu > 2400))
2335 return -EINVAL;
2336 dev->mtu = new_mtu;
2337 return 0;
2338 }
2339
2340 static LIST_HEAD(airo_devices);
2341
2342 static void add_airo_dev(struct airo_info *ai)
2343 {
2344 /* Upper layers already keep track of PCI devices,
2345 * so we only need to remember our non-PCI cards. */
2346 if (!ai->pci)
2347 list_add_tail(&ai->dev_list, &airo_devices);
2348 }
2349
2350 static void del_airo_dev(struct airo_info *ai)
2351 {
2352 if (!ai->pci)
2353 list_del(&ai->dev_list);
2354 }
2355
2356 static int airo_close(struct net_device *dev) {
2357 struct airo_info *ai = dev->ml_priv;
2358
2359 netif_stop_queue(dev);
2360
2361 if (ai->wifidev != dev) {
2362 #ifdef POWER_ON_DOWN
2363 /* Shut power to the card. The idea is that the user can save
2364 * power when he doesn't need the card with "ifconfig down".
2365 * That's the method that is most friendly towards the network
2366 * stack (i.e. the network stack won't try to broadcast
2367 * anything on the interface and routes are gone. Jean II */
2368 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2369 disable_MAC(ai, 1);
2370 #endif
2371 disable_interrupts( ai );
2372
2373 free_irq(dev->irq, dev);
2374
2375 set_bit(JOB_DIE, &ai->jobs);
2376 kthread_stop(ai->airo_thread_task);
2377 }
2378 return 0;
2379 }
2380
2381 void stop_airo_card( struct net_device *dev, int freeres )
2382 {
2383 struct airo_info *ai = dev->ml_priv;
2384
2385 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2386 disable_MAC(ai, 1);
2387 disable_interrupts(ai);
2388 takedown_proc_entry( dev, ai );
2389 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2390 unregister_netdev( dev );
2391 if (ai->wifidev) {
2392 unregister_netdev(ai->wifidev);
2393 free_netdev(ai->wifidev);
2394 ai->wifidev = NULL;
2395 }
2396 clear_bit(FLAG_REGISTERED, &ai->flags);
2397 }
2398 /*
2399 * Clean out tx queue
2400 */
2401 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2402 struct sk_buff *skb = NULL;
2403 for (;(skb = skb_dequeue(&ai->txq));)
2404 dev_kfree_skb(skb);
2405 }
2406
2407 airo_networks_free (ai);
2408
2409 kfree(ai->flash);
2410 kfree(ai->rssi);
2411 kfree(ai->SSID);
2412 if (freeres) {
2413 /* PCMCIA frees this stuff, so only for PCI and ISA */
2414 release_region( dev->base_addr, 64 );
2415 if (test_bit(FLAG_MPI, &ai->flags)) {
2416 if (ai->pci)
2417 mpi_unmap_card(ai->pci);
2418 if (ai->pcimem)
2419 iounmap(ai->pcimem);
2420 if (ai->pciaux)
2421 iounmap(ai->pciaux);
2422 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2423 ai->shared, ai->shared_dma);
2424 }
2425 }
2426 crypto_free_cipher(ai->tfm);
2427 del_airo_dev(ai);
2428 free_netdev( dev );
2429 }
2430
2431 EXPORT_SYMBOL(stop_airo_card);
2432
2433 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2434 {
2435 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2436 return ETH_ALEN;
2437 }
2438
2439 static void mpi_unmap_card(struct pci_dev *pci)
2440 {
2441 unsigned long mem_start = pci_resource_start(pci, 1);
2442 unsigned long mem_len = pci_resource_len(pci, 1);
2443 unsigned long aux_start = pci_resource_start(pci, 2);
2444 unsigned long aux_len = AUXMEMSIZE;
2445
2446 release_mem_region(aux_start, aux_len);
2447 release_mem_region(mem_start, mem_len);
2448 }
2449
2450 /*************************************************************
2451 * This routine assumes that descriptors have been setup .
2452 * Run at insmod time or after reset when the decriptors
2453 * have been initialized . Returns 0 if all is well nz
2454 * otherwise . Does not allocate memory but sets up card
2455 * using previously allocated descriptors.
2456 */
2457 static int mpi_init_descriptors (struct airo_info *ai)
2458 {
2459 Cmd cmd;
2460 Resp rsp;
2461 int i;
2462 int rc = SUCCESS;
2463
2464 /* Alloc card RX descriptors */
2465 netif_stop_queue(ai->dev);
2466
2467 memset(&rsp,0,sizeof(rsp));
2468 memset(&cmd,0,sizeof(cmd));
2469
2470 cmd.cmd = CMD_ALLOCATEAUX;
2471 cmd.parm0 = FID_RX;
2472 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2473 cmd.parm2 = MPI_MAX_FIDS;
2474 rc=issuecommand(ai, &cmd, &rsp);
2475 if (rc != SUCCESS) {
2476 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2477 return rc;
2478 }
2479
2480 for (i=0; i<MPI_MAX_FIDS; i++) {
2481 memcpy_toio(ai->rxfids[i].card_ram_off,
2482 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2483 }
2484
2485 /* Alloc card TX descriptors */
2486
2487 memset(&rsp,0,sizeof(rsp));
2488 memset(&cmd,0,sizeof(cmd));
2489
2490 cmd.cmd = CMD_ALLOCATEAUX;
2491 cmd.parm0 = FID_TX;
2492 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2493 cmd.parm2 = MPI_MAX_FIDS;
2494
2495 for (i=0; i<MPI_MAX_FIDS; i++) {
2496 ai->txfids[i].tx_desc.valid = 1;
2497 memcpy_toio(ai->txfids[i].card_ram_off,
2498 &ai->txfids[i].tx_desc, sizeof(TxFid));
2499 }
2500 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2501
2502 rc=issuecommand(ai, &cmd, &rsp);
2503 if (rc != SUCCESS) {
2504 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2505 return rc;
2506 }
2507
2508 /* Alloc card Rid descriptor */
2509 memset(&rsp,0,sizeof(rsp));
2510 memset(&cmd,0,sizeof(cmd));
2511
2512 cmd.cmd = CMD_ALLOCATEAUX;
2513 cmd.parm0 = RID_RW;
2514 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2515 cmd.parm2 = 1; /* Magic number... */
2516 rc=issuecommand(ai, &cmd, &rsp);
2517 if (rc != SUCCESS) {
2518 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2519 return rc;
2520 }
2521
2522 memcpy_toio(ai->config_desc.card_ram_off,
2523 &ai->config_desc.rid_desc, sizeof(Rid));
2524
2525 return rc;
2526 }
2527
2528 /*
2529 * We are setting up three things here:
2530 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2531 * 2) Map PCI memory for issuing commands.
2532 * 3) Allocate memory (shared) to send and receive ethernet frames.
2533 */
2534 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2535 {
2536 unsigned long mem_start, mem_len, aux_start, aux_len;
2537 int rc = -1;
2538 int i;
2539 dma_addr_t busaddroff;
2540 unsigned char *vpackoff;
2541 unsigned char __iomem *pciaddroff;
2542
2543 mem_start = pci_resource_start(pci, 1);
2544 mem_len = pci_resource_len(pci, 1);
2545 aux_start = pci_resource_start(pci, 2);
2546 aux_len = AUXMEMSIZE;
2547
2548 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2549 airo_print_err("", "Couldn't get region %x[%x]",
2550 (int)mem_start, (int)mem_len);
2551 goto out;
2552 }
2553 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)aux_start, (int)aux_len);
2556 goto free_region1;
2557 }
2558
2559 ai->pcimem = ioremap(mem_start, mem_len);
2560 if (!ai->pcimem) {
2561 airo_print_err("", "Couldn't map region %x[%x]",
2562 (int)mem_start, (int)mem_len);
2563 goto free_region2;
2564 }
2565 ai->pciaux = ioremap(aux_start, aux_len);
2566 if (!ai->pciaux) {
2567 airo_print_err("", "Couldn't map region %x[%x]",
2568 (int)aux_start, (int)aux_len);
2569 goto free_memmap;
2570 }
2571
2572 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2573 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2574 if (!ai->shared) {
2575 airo_print_err("", "Couldn't alloc_consistent %d",
2576 PCI_SHARED_LEN);
2577 goto free_auxmap;
2578 }
2579
2580 /*
2581 * Setup descriptor RX, TX, CONFIG
2582 */
2583 busaddroff = ai->shared_dma;
2584 pciaddroff = ai->pciaux + AUX_OFFSET;
2585 vpackoff = ai->shared;
2586
2587 /* RX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->rxfids[i].pending = 0;
2590 ai->rxfids[i].card_ram_off = pciaddroff;
2591 ai->rxfids[i].virtual_host_addr = vpackoff;
2592 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2593 ai->rxfids[i].rx_desc.valid = 1;
2594 ai->rxfids[i].rx_desc.len = PKTSIZE;
2595 ai->rxfids[i].rx_desc.rdy = 0;
2596
2597 pciaddroff += sizeof(RxFid);
2598 busaddroff += PKTSIZE;
2599 vpackoff += PKTSIZE;
2600 }
2601
2602 /* TX descriptor setup */
2603 for(i = 0; i < MPI_MAX_FIDS; i++) {
2604 ai->txfids[i].card_ram_off = pciaddroff;
2605 ai->txfids[i].virtual_host_addr = vpackoff;
2606 ai->txfids[i].tx_desc.valid = 1;
2607 ai->txfids[i].tx_desc.host_addr = busaddroff;
2608 memcpy(ai->txfids[i].virtual_host_addr,
2609 &wifictlhdr8023, sizeof(wifictlhdr8023));
2610
2611 pciaddroff += sizeof(TxFid);
2612 busaddroff += PKTSIZE;
2613 vpackoff += PKTSIZE;
2614 }
2615 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2616
2617 /* Rid descriptor setup */
2618 ai->config_desc.card_ram_off = pciaddroff;
2619 ai->config_desc.virtual_host_addr = vpackoff;
2620 ai->config_desc.rid_desc.host_addr = busaddroff;
2621 ai->ridbus = busaddroff;
2622 ai->config_desc.rid_desc.rid = 0;
2623 ai->config_desc.rid_desc.len = RIDSIZE;
2624 ai->config_desc.rid_desc.valid = 1;
2625 pciaddroff += sizeof(Rid);
2626 busaddroff += RIDSIZE;
2627 vpackoff += RIDSIZE;
2628
2629 /* Tell card about descriptors */
2630 if (mpi_init_descriptors (ai) != SUCCESS)
2631 goto free_shared;
2632
2633 return 0;
2634 free_shared:
2635 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2636 free_auxmap:
2637 iounmap(ai->pciaux);
2638 free_memmap:
2639 iounmap(ai->pcimem);
2640 free_region2:
2641 release_mem_region(aux_start, aux_len);
2642 free_region1:
2643 release_mem_region(mem_start, mem_len);
2644 out:
2645 return rc;
2646 }
2647
2648 static const struct header_ops airo_header_ops = {
2649 .parse = wll_header_parse,
2650 };
2651
2652 static const struct net_device_ops airo11_netdev_ops = {
2653 .ndo_open = airo_open,
2654 .ndo_stop = airo_close,
2655 .ndo_start_xmit = airo_start_xmit11,
2656 .ndo_get_stats = airo_get_stats,
2657 .ndo_set_mac_address = airo_set_mac_address,
2658 .ndo_do_ioctl = airo_ioctl,
2659 .ndo_change_mtu = airo_change_mtu,
2660 };
2661
2662 static void wifi_setup(struct net_device *dev)
2663 {
2664 dev->netdev_ops = &airo11_netdev_ops;
2665 dev->header_ops = &airo_header_ops;
2666 dev->wireless_handlers = &airo_handler_def;
2667
2668 dev->type = ARPHRD_IEEE80211;
2669 dev->hard_header_len = ETH_HLEN;
2670 dev->mtu = AIRO_DEF_MTU;
2671 dev->addr_len = ETH_ALEN;
2672 dev->tx_queue_len = 100;
2673
2674 eth_broadcast_addr(dev->broadcast);
2675
2676 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2677 }
2678
2679 static struct net_device *init_wifidev(struct airo_info *ai,
2680 struct net_device *ethdev)
2681 {
2682 int err;
2683 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN,
2684 wifi_setup);
2685 if (!dev)
2686 return NULL;
2687 dev->ml_priv = ethdev->ml_priv;
2688 dev->irq = ethdev->irq;
2689 dev->base_addr = ethdev->base_addr;
2690 dev->wireless_data = ethdev->wireless_data;
2691 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2692 eth_hw_addr_inherit(dev, ethdev);
2693 err = register_netdev(dev);
2694 if (err<0) {
2695 free_netdev(dev);
2696 return NULL;
2697 }
2698 return dev;
2699 }
2700
2701 static int reset_card( struct net_device *dev , int lock) {
2702 struct airo_info *ai = dev->ml_priv;
2703
2704 if (lock && down_interruptible(&ai->sem))
2705 return -1;
2706 waitbusy (ai);
2707 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2708 msleep(200);
2709 waitbusy (ai);
2710 msleep(200);
2711 if (lock)
2712 up(&ai->sem);
2713 return 0;
2714 }
2715
2716 #define AIRO_MAX_NETWORK_COUNT 64
2717 static int airo_networks_allocate(struct airo_info *ai)
2718 {
2719 if (ai->networks)
2720 return 0;
2721
2722 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2723 GFP_KERNEL);
2724 if (!ai->networks) {
2725 airo_print_warn("", "Out of memory allocating beacons");
2726 return -ENOMEM;
2727 }
2728
2729 return 0;
2730 }
2731
2732 static void airo_networks_free(struct airo_info *ai)
2733 {
2734 kfree(ai->networks);
2735 ai->networks = NULL;
2736 }
2737
2738 static void airo_networks_initialize(struct airo_info *ai)
2739 {
2740 int i;
2741
2742 INIT_LIST_HEAD(&ai->network_free_list);
2743 INIT_LIST_HEAD(&ai->network_list);
2744 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2745 list_add_tail(&ai->networks[i].list,
2746 &ai->network_free_list);
2747 }
2748
2749 static const struct net_device_ops airo_netdev_ops = {
2750 .ndo_open = airo_open,
2751 .ndo_stop = airo_close,
2752 .ndo_start_xmit = airo_start_xmit,
2753 .ndo_get_stats = airo_get_stats,
2754 .ndo_set_rx_mode = airo_set_multicast_list,
2755 .ndo_set_mac_address = airo_set_mac_address,
2756 .ndo_do_ioctl = airo_ioctl,
2757 .ndo_change_mtu = airo_change_mtu,
2758 .ndo_validate_addr = eth_validate_addr,
2759 };
2760
2761 static const struct net_device_ops mpi_netdev_ops = {
2762 .ndo_open = airo_open,
2763 .ndo_stop = airo_close,
2764 .ndo_start_xmit = mpi_start_xmit,
2765 .ndo_get_stats = airo_get_stats,
2766 .ndo_set_rx_mode = airo_set_multicast_list,
2767 .ndo_set_mac_address = airo_set_mac_address,
2768 .ndo_do_ioctl = airo_ioctl,
2769 .ndo_change_mtu = airo_change_mtu,
2770 .ndo_validate_addr = eth_validate_addr,
2771 };
2772
2773
2774 static struct net_device *_init_airo_card( unsigned short irq, int port,
2775 int is_pcmcia, struct pci_dev *pci,
2776 struct device *dmdev )
2777 {
2778 struct net_device *dev;
2779 struct airo_info *ai;
2780 int i, rc;
2781 CapabilityRid cap_rid;
2782
2783 /* Create the network device object. */
2784 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup);
2785 if (!dev) {
2786 airo_print_err("", "Couldn't alloc_etherdev");
2787 return NULL;
2788 }
2789
2790 ai = dev->ml_priv = netdev_priv(dev);
2791 ai->wifidev = NULL;
2792 ai->flags = 1 << FLAG_RADIO_DOWN;
2793 ai->jobs = 0;
2794 ai->dev = dev;
2795 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2796 airo_print_dbg("", "Found an MPI350 card");
2797 set_bit(FLAG_MPI, &ai->flags);
2798 }
2799 spin_lock_init(&ai->aux_lock);
2800 sema_init(&ai->sem, 1);
2801 ai->config.len = 0;
2802 ai->pci = pci;
2803 init_waitqueue_head (&ai->thr_wait);
2804 ai->tfm = NULL;
2805 add_airo_dev(ai);
2806 ai->APList.len = cpu_to_le16(sizeof(struct APListRid));
2807
2808 if (airo_networks_allocate (ai))
2809 goto err_out_free;
2810 airo_networks_initialize (ai);
2811
2812 skb_queue_head_init (&ai->txq);
2813
2814 /* The Airo-specific entries in the device structure. */
2815 if (test_bit(FLAG_MPI,&ai->flags))
2816 dev->netdev_ops = &mpi_netdev_ops;
2817 else
2818 dev->netdev_ops = &airo_netdev_ops;
2819 dev->wireless_handlers = &airo_handler_def;
2820 ai->wireless_data.spy_data = &ai->spy_data;
2821 dev->wireless_data = &ai->wireless_data;
2822 dev->irq = irq;
2823 dev->base_addr = port;
2824 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2825
2826 SET_NETDEV_DEV(dev, dmdev);
2827
2828 reset_card (dev, 1);
2829 msleep(400);
2830
2831 if (!is_pcmcia) {
2832 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2833 rc = -EBUSY;
2834 airo_print_err(dev->name, "Couldn't request region");
2835 goto err_out_nets;
2836 }
2837 }
2838
2839 if (test_bit(FLAG_MPI,&ai->flags)) {
2840 if (mpi_map_card(ai, pci)) {
2841 airo_print_err("", "Could not map memory");
2842 goto err_out_res;
2843 }
2844 }
2845
2846 if (probe) {
2847 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2848 airo_print_err(dev->name, "MAC could not be enabled" );
2849 rc = -EIO;
2850 goto err_out_map;
2851 }
2852 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2853 ai->bap_read = fast_bap_read;
2854 set_bit(FLAG_FLASHING, &ai->flags);
2855 }
2856
2857 strcpy(dev->name, "eth%d");
2858 rc = register_netdev(dev);
2859 if (rc) {
2860 airo_print_err(dev->name, "Couldn't register_netdev");
2861 goto err_out_map;
2862 }
2863 ai->wifidev = init_wifidev(ai, dev);
2864 if (!ai->wifidev)
2865 goto err_out_reg;
2866
2867 rc = readCapabilityRid(ai, &cap_rid, 1);
2868 if (rc != SUCCESS) {
2869 rc = -EIO;
2870 goto err_out_wifi;
2871 }
2872 /* WEP capability discovery */
2873 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2874 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2875
2876 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2877 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2878 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2879 le16_to_cpu(cap_rid.softSubVer));
2880
2881 /* Test for WPA support */
2882 /* Only firmware versions 5.30.17 or better can do WPA */
2883 if (le16_to_cpu(cap_rid.softVer) > 0x530
2884 || (le16_to_cpu(cap_rid.softVer) == 0x530
2885 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2886 airo_print_info(ai->dev->name, "WPA supported.");
2887
2888 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2889 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2890 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2891 ai->bssListRidLen = sizeof(BSSListRid);
2892 } else {
2893 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2894 "versions older than 5.30.17.");
2895
2896 ai->bssListFirst = RID_BSSLISTFIRST;
2897 ai->bssListNext = RID_BSSLISTNEXT;
2898 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2899 }
2900
2901 set_bit(FLAG_REGISTERED,&ai->flags);
2902 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2903
2904 /* Allocate the transmit buffers */
2905 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2906 for( i = 0; i < MAX_FIDS; i++ )
2907 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2908
2909 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2910 goto err_out_wifi;
2911
2912 return dev;
2913
2914 err_out_wifi:
2915 unregister_netdev(ai->wifidev);
2916 free_netdev(ai->wifidev);
2917 err_out_reg:
2918 unregister_netdev(dev);
2919 err_out_map:
2920 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2921 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2922 iounmap(ai->pciaux);
2923 iounmap(ai->pcimem);
2924 mpi_unmap_card(ai->pci);
2925 }
2926 err_out_res:
2927 if (!is_pcmcia)
2928 release_region( dev->base_addr, 64 );
2929 err_out_nets:
2930 airo_networks_free(ai);
2931 err_out_free:
2932 del_airo_dev(ai);
2933 free_netdev(dev);
2934 return NULL;
2935 }
2936
2937 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2938 struct device *dmdev)
2939 {
2940 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2941 }
2942
2943 EXPORT_SYMBOL(init_airo_card);
2944
2945 static int waitbusy (struct airo_info *ai) {
2946 int delay = 0;
2947 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2948 udelay (10);
2949 if ((++delay % 20) == 0)
2950 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2951 }
2952 return delay < 10000;
2953 }
2954
2955 int reset_airo_card( struct net_device *dev )
2956 {
2957 int i;
2958 struct airo_info *ai = dev->ml_priv;
2959
2960 if (reset_card (dev, 1))
2961 return -1;
2962
2963 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2964 airo_print_err(dev->name, "MAC could not be enabled");
2965 return -1;
2966 }
2967 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2968 /* Allocate the transmit buffers if needed */
2969 if (!test_bit(FLAG_MPI,&ai->flags))
2970 for( i = 0; i < MAX_FIDS; i++ )
2971 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2972
2973 enable_interrupts( ai );
2974 netif_wake_queue(dev);
2975 return 0;
2976 }
2977
2978 EXPORT_SYMBOL(reset_airo_card);
2979
2980 static void airo_send_event(struct net_device *dev) {
2981 struct airo_info *ai = dev->ml_priv;
2982 union iwreq_data wrqu;
2983 StatusRid status_rid;
2984
2985 clear_bit(JOB_EVENT, &ai->jobs);
2986 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2987 up(&ai->sem);
2988 wrqu.data.length = 0;
2989 wrqu.data.flags = 0;
2990 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2991 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2992
2993 /* Send event to user space */
2994 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2995 }
2996
2997 static void airo_process_scan_results (struct airo_info *ai) {
2998 union iwreq_data wrqu;
2999 BSSListRid bss;
3000 int rc;
3001 BSSListElement * loop_net;
3002 BSSListElement * tmp_net;
3003
3004 /* Blow away current list of scan results */
3005 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3006 list_move_tail (&loop_net->list, &ai->network_free_list);
3007 /* Don't blow away ->list, just BSS data */
3008 memset (loop_net, 0, sizeof (loop_net->bss));
3009 }
3010
3011 /* Try to read the first entry of the scan result */
3012 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3013 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3014 /* No scan results */
3015 goto out;
3016 }
3017
3018 /* Read and parse all entries */
3019 tmp_net = NULL;
3020 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3021 /* Grab a network off the free list */
3022 if (!list_empty(&ai->network_free_list)) {
3023 tmp_net = list_entry(ai->network_free_list.next,
3024 BSSListElement, list);
3025 list_del(ai->network_free_list.next);
3026 }
3027
3028 if (tmp_net != NULL) {
3029 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3030 list_add_tail(&tmp_net->list, &ai->network_list);
3031 tmp_net = NULL;
3032 }
3033
3034 /* Read next entry */
3035 rc = PC4500_readrid(ai, ai->bssListNext,
3036 &bss, ai->bssListRidLen, 0);
3037 }
3038
3039 out:
3040 /* write APList back (we cleared it in airo_set_scan) */
3041 disable_MAC(ai, 2);
3042 writeAPListRid(ai, &ai->APList, 0);
3043 enable_MAC(ai, 0);
3044
3045 ai->scan_timeout = 0;
3046 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3047 up(&ai->sem);
3048
3049 /* Send an empty event to user space.
3050 * We don't send the received data on
3051 * the event because it would require
3052 * us to do complex transcoding, and
3053 * we want to minimise the work done in
3054 * the irq handler. Use a request to
3055 * extract the data - Jean II */
3056 wrqu.data.length = 0;
3057 wrqu.data.flags = 0;
3058 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3059 }
3060
3061 static int airo_thread(void *data) {
3062 struct net_device *dev = data;
3063 struct airo_info *ai = dev->ml_priv;
3064 int locked;
3065
3066 set_freezable();
3067 while(1) {
3068 /* make swsusp happy with our thread */
3069 try_to_freeze();
3070
3071 if (test_bit(JOB_DIE, &ai->jobs))
3072 break;
3073
3074 if (ai->jobs) {
3075 locked = down_interruptible(&ai->sem);
3076 } else {
3077 wait_queue_t wait;
3078
3079 init_waitqueue_entry(&wait, current);
3080 add_wait_queue(&ai->thr_wait, &wait);
3081 for (;;) {
3082 set_current_state(TASK_INTERRUPTIBLE);
3083 if (ai->jobs)
3084 break;
3085 if (ai->expires || ai->scan_timeout) {
3086 if (ai->scan_timeout &&
3087 time_after_eq(jiffies,ai->scan_timeout)){
3088 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3089 break;
3090 } else if (ai->expires &&
3091 time_after_eq(jiffies,ai->expires)){
3092 set_bit(JOB_AUTOWEP, &ai->jobs);
3093 break;
3094 }
3095 if (!kthread_should_stop() &&
3096 !freezing(current)) {
3097 unsigned long wake_at;
3098 if (!ai->expires || !ai->scan_timeout) {
3099 wake_at = max(ai->expires,
3100 ai->scan_timeout);
3101 } else {
3102 wake_at = min(ai->expires,
3103 ai->scan_timeout);
3104 }
3105 schedule_timeout(wake_at - jiffies);
3106 continue;
3107 }
3108 } else if (!kthread_should_stop() &&
3109 !freezing(current)) {
3110 schedule();
3111 continue;
3112 }
3113 break;
3114 }
3115 current->state = TASK_RUNNING;
3116 remove_wait_queue(&ai->thr_wait, &wait);
3117 locked = 1;
3118 }
3119
3120 if (locked)
3121 continue;
3122
3123 if (test_bit(JOB_DIE, &ai->jobs)) {
3124 up(&ai->sem);
3125 break;
3126 }
3127
3128 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3129 up(&ai->sem);
3130 continue;
3131 }
3132
3133 if (test_bit(JOB_XMIT, &ai->jobs))
3134 airo_end_xmit(dev);
3135 else if (test_bit(JOB_XMIT11, &ai->jobs))
3136 airo_end_xmit11(dev);
3137 else if (test_bit(JOB_STATS, &ai->jobs))
3138 airo_read_stats(dev);
3139 else if (test_bit(JOB_WSTATS, &ai->jobs))
3140 airo_read_wireless_stats(ai);
3141 else if (test_bit(JOB_PROMISC, &ai->jobs))
3142 airo_set_promisc(ai);
3143 else if (test_bit(JOB_MIC, &ai->jobs))
3144 micinit(ai);
3145 else if (test_bit(JOB_EVENT, &ai->jobs))
3146 airo_send_event(dev);
3147 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3148 timer_func(dev);
3149 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3150 airo_process_scan_results(ai);
3151 else /* Shouldn't get here, but we make sure to unlock */
3152 up(&ai->sem);
3153 }
3154
3155 return 0;
3156 }
3157
3158 static int header_len(__le16 ctl)
3159 {
3160 u16 fc = le16_to_cpu(ctl);
3161 switch (fc & 0xc) {
3162 case 4:
3163 if ((fc & 0xe0) == 0xc0)
3164 return 10; /* one-address control packet */
3165 return 16; /* two-address control packet */
3166 case 8:
3167 if ((fc & 0x300) == 0x300)
3168 return 30; /* WDS packet */
3169 }
3170 return 24;
3171 }
3172
3173 static void airo_handle_cisco_mic(struct airo_info *ai)
3174 {
3175 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3176 set_bit(JOB_MIC, &ai->jobs);
3177 wake_up_interruptible(&ai->thr_wait);
3178 }
3179 }
3180
3181 /* Airo Status codes */
3182 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3183 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3184 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3185 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3186 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3187 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3188 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3190 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3191 #define STAT_ASSOC 0x0400 /* Associated */
3192 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3193
3194 static void airo_print_status(const char *devname, u16 status)
3195 {
3196 u8 reason = status & 0xFF;
3197
3198 switch (status & 0xFF00) {
3199 case STAT_NOBEACON:
3200 switch (status) {
3201 case STAT_NOBEACON:
3202 airo_print_dbg(devname, "link lost (missed beacons)");
3203 break;
3204 case STAT_MAXRETRIES:
3205 case STAT_MAXARL:
3206 airo_print_dbg(devname, "link lost (max retries)");
3207 break;
3208 case STAT_FORCELOSS:
3209 airo_print_dbg(devname, "link lost (local choice)");
3210 break;
3211 case STAT_TSFSYNC:
3212 airo_print_dbg(devname, "link lost (TSF sync lost)");
3213 break;
3214 default:
3215 airo_print_dbg(devname, "unknown status %x\n", status);
3216 break;
3217 }
3218 break;
3219 case STAT_DEAUTH:
3220 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3221 break;
3222 case STAT_DISASSOC:
3223 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3224 break;
3225 case STAT_ASSOC_FAIL:
3226 airo_print_dbg(devname, "association failed (reason: %d)",
3227 reason);
3228 break;
3229 case STAT_AUTH_FAIL:
3230 airo_print_dbg(devname, "authentication failed (reason: %d)",
3231 reason);
3232 break;
3233 case STAT_ASSOC:
3234 case STAT_REASSOC:
3235 break;
3236 default:
3237 airo_print_dbg(devname, "unknown status %x\n", status);
3238 break;
3239 }
3240 }
3241
3242 static void airo_handle_link(struct airo_info *ai)
3243 {
3244 union iwreq_data wrqu;
3245 int scan_forceloss = 0;
3246 u16 status;
3247
3248 /* Get new status and acknowledge the link change */
3249 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3250 OUT4500(ai, EVACK, EV_LINK);
3251
3252 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3253 scan_forceloss = 1;
3254
3255 airo_print_status(ai->dev->name, status);
3256
3257 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3258 if (auto_wep)
3259 ai->expires = 0;
3260 if (ai->list_bss_task)
3261 wake_up_process(ai->list_bss_task);
3262 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3263 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3264
3265 if (down_trylock(&ai->sem) != 0) {
3266 set_bit(JOB_EVENT, &ai->jobs);
3267 wake_up_interruptible(&ai->thr_wait);
3268 } else
3269 airo_send_event(ai->dev);
3270 netif_carrier_on(ai->dev);
3271 } else if (!scan_forceloss) {
3272 if (auto_wep && !ai->expires) {
3273 ai->expires = RUN_AT(3*HZ);
3274 wake_up_interruptible(&ai->thr_wait);
3275 }
3276
3277 /* Send event to user space */
3278 eth_zero_addr(wrqu.ap_addr.sa_data);
3279 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3280 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3281 netif_carrier_off(ai->dev);
3282 } else {
3283 netif_carrier_off(ai->dev);
3284 }
3285 }
3286
3287 static void airo_handle_rx(struct airo_info *ai)
3288 {
3289 struct sk_buff *skb = NULL;
3290 __le16 fc, v, *buffer, tmpbuf[4];
3291 u16 len, hdrlen = 0, gap, fid;
3292 struct rx_hdr hdr;
3293 int success = 0;
3294
3295 if (test_bit(FLAG_MPI, &ai->flags)) {
3296 if (test_bit(FLAG_802_11, &ai->flags))
3297 mpi_receive_802_11(ai);
3298 else
3299 mpi_receive_802_3(ai);
3300 OUT4500(ai, EVACK, EV_RX);
3301 return;
3302 }
3303
3304 fid = IN4500(ai, RXFID);
3305
3306 /* Get the packet length */
3307 if (test_bit(FLAG_802_11, &ai->flags)) {
3308 bap_setup (ai, fid, 4, BAP0);
3309 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3310 /* Bad CRC. Ignore packet */
3311 if (le16_to_cpu(hdr.status) & 2)
3312 hdr.len = 0;
3313 if (ai->wifidev == NULL)
3314 hdr.len = 0;
3315 } else {
3316 bap_setup(ai, fid, 0x36, BAP0);
3317 bap_read(ai, &hdr.len, 2, BAP0);
3318 }
3319 len = le16_to_cpu(hdr.len);
3320
3321 if (len > AIRO_DEF_MTU) {
3322 airo_print_err(ai->dev->name, "Bad size %d", len);
3323 goto done;
3324 }
3325 if (len == 0)
3326 goto done;
3327
3328 if (test_bit(FLAG_802_11, &ai->flags)) {
3329 bap_read(ai, &fc, sizeof (fc), BAP0);
3330 hdrlen = header_len(fc);
3331 } else
3332 hdrlen = ETH_ALEN * 2;
3333
3334 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3335 if (!skb) {
3336 ai->dev->stats.rx_dropped++;
3337 goto done;
3338 }
3339
3340 skb_reserve(skb, 2); /* This way the IP header is aligned */
3341 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3342 if (test_bit(FLAG_802_11, &ai->flags)) {
3343 buffer[0] = fc;
3344 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3345 if (hdrlen == 24)
3346 bap_read(ai, tmpbuf, 6, BAP0);
3347
3348 bap_read(ai, &v, sizeof(v), BAP0);
3349 gap = le16_to_cpu(v);
3350 if (gap) {
3351 if (gap <= 8) {
3352 bap_read(ai, tmpbuf, gap, BAP0);
3353 } else {
3354 airo_print_err(ai->dev->name, "gaplen too "
3355 "big. Problems will follow...");
3356 }
3357 }
3358 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3359 } else {
3360 MICBuffer micbuf;
3361
3362 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3363 if (ai->micstats.enabled) {
3364 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3365 if (ntohs(micbuf.typelen) > 0x05DC)
3366 bap_setup(ai, fid, 0x44, BAP0);
3367 else {
3368 if (len <= sizeof (micbuf)) {
3369 dev_kfree_skb_irq(skb);
3370 goto done;
3371 }
3372
3373 len -= sizeof(micbuf);
3374 skb_trim(skb, len + hdrlen);
3375 }
3376 }
3377
3378 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3379 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3380 dev_kfree_skb_irq (skb);
3381 else
3382 success = 1;
3383 }
3384
3385 #ifdef WIRELESS_SPY
3386 if (success && (ai->spy_data.spy_number > 0)) {
3387 char *sa;
3388 struct iw_quality wstats;
3389
3390 /* Prepare spy data : addr + qual */
3391 if (!test_bit(FLAG_802_11, &ai->flags)) {
3392 sa = (char *) buffer + 6;
3393 bap_setup(ai, fid, 8, BAP0);
3394 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3395 } else
3396 sa = (char *) buffer + 10;
3397 wstats.qual = hdr.rssi[0];
3398 if (ai->rssi)
3399 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3400 else
3401 wstats.level = (hdr.rssi[1] + 321) / 2;
3402 wstats.noise = ai->wstats.qual.noise;
3403 wstats.updated = IW_QUAL_LEVEL_UPDATED
3404 | IW_QUAL_QUAL_UPDATED
3405 | IW_QUAL_DBM;
3406 /* Update spy records */
3407 wireless_spy_update(ai->dev, sa, &wstats);
3408 }
3409 #endif /* WIRELESS_SPY */
3410
3411 done:
3412 OUT4500(ai, EVACK, EV_RX);
3413
3414 if (success) {
3415 if (test_bit(FLAG_802_11, &ai->flags)) {
3416 skb_reset_mac_header(skb);
3417 skb->pkt_type = PACKET_OTHERHOST;
3418 skb->dev = ai->wifidev;
3419 skb->protocol = htons(ETH_P_802_2);
3420 } else
3421 skb->protocol = eth_type_trans(skb, ai->dev);
3422 skb->ip_summed = CHECKSUM_NONE;
3423
3424 netif_rx(skb);
3425 }
3426 }
3427
3428 static void airo_handle_tx(struct airo_info *ai, u16 status)
3429 {
3430 int i, len = 0, index = -1;
3431 u16 fid;
3432
3433 if (test_bit(FLAG_MPI, &ai->flags)) {
3434 unsigned long flags;
3435
3436 if (status & EV_TXEXC)
3437 get_tx_error(ai, -1);
3438
3439 spin_lock_irqsave(&ai->aux_lock, flags);
3440 if (!skb_queue_empty(&ai->txq)) {
3441 spin_unlock_irqrestore(&ai->aux_lock,flags);
3442 mpi_send_packet(ai->dev);
3443 } else {
3444 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3445 spin_unlock_irqrestore(&ai->aux_lock,flags);
3446 netif_wake_queue(ai->dev);
3447 }
3448 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3449 return;
3450 }
3451
3452 fid = IN4500(ai, TXCOMPLFID);
3453
3454 for(i = 0; i < MAX_FIDS; i++) {
3455 if ((ai->fids[i] & 0xffff) == fid) {
3456 len = ai->fids[i] >> 16;
3457 index = i;
3458 }
3459 }
3460
3461 if (index != -1) {
3462 if (status & EV_TXEXC)
3463 get_tx_error(ai, index);
3464
3465 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3466
3467 /* Set up to be used again */
3468 ai->fids[index] &= 0xffff;
3469 if (index < MAX_FIDS / 2) {
3470 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3471 netif_wake_queue(ai->dev);
3472 } else {
3473 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3474 netif_wake_queue(ai->wifidev);
3475 }
3476 } else {
3477 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3478 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3479 }
3480 }
3481
3482 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3483 {
3484 struct net_device *dev = dev_id;
3485 u16 status, savedInterrupts = 0;
3486 struct airo_info *ai = dev->ml_priv;
3487 int handled = 0;
3488
3489 if (!netif_device_present(dev))
3490 return IRQ_NONE;
3491
3492 for (;;) {
3493 status = IN4500(ai, EVSTAT);
3494 if (!(status & STATUS_INTS) || (status == 0xffff))
3495 break;
3496
3497 handled = 1;
3498
3499 if (status & EV_AWAKE) {
3500 OUT4500(ai, EVACK, EV_AWAKE);
3501 OUT4500(ai, EVACK, EV_AWAKE);
3502 }
3503
3504 if (!savedInterrupts) {
3505 savedInterrupts = IN4500(ai, EVINTEN);
3506 OUT4500(ai, EVINTEN, 0);
3507 }
3508
3509 if (status & EV_MIC) {
3510 OUT4500(ai, EVACK, EV_MIC);
3511 airo_handle_cisco_mic(ai);
3512 }
3513
3514 if (status & EV_LINK) {
3515 /* Link status changed */
3516 airo_handle_link(ai);
3517 }
3518
3519 /* Check to see if there is something to receive */
3520 if (status & EV_RX)
3521 airo_handle_rx(ai);
3522
3523 /* Check to see if a packet has been transmitted */
3524 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3525 airo_handle_tx(ai, status);
3526
3527 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3528 airo_print_warn(ai->dev->name, "Got weird status %x",
3529 status & ~STATUS_INTS & ~IGNORE_INTS );
3530 }
3531 }
3532
3533 if (savedInterrupts)
3534 OUT4500(ai, EVINTEN, savedInterrupts);
3535
3536 return IRQ_RETVAL(handled);
3537 }
3538
3539 /*
3540 * Routines to talk to the card
3541 */
3542
3543 /*
3544 * This was originally written for the 4500, hence the name
3545 * NOTE: If use with 8bit mode and SMP bad things will happen!
3546 * Why would some one do 8 bit IO in an SMP machine?!?
3547 */
3548 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3549 if (test_bit(FLAG_MPI,&ai->flags))
3550 reg <<= 1;
3551 if ( !do8bitIO )
3552 outw( val, ai->dev->base_addr + reg );
3553 else {
3554 outb( val & 0xff, ai->dev->base_addr + reg );
3555 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3556 }
3557 }
3558
3559 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3560 unsigned short rc;
3561
3562 if (test_bit(FLAG_MPI,&ai->flags))
3563 reg <<= 1;
3564 if ( !do8bitIO )
3565 rc = inw( ai->dev->base_addr + reg );
3566 else {
3567 rc = inb( ai->dev->base_addr + reg );
3568 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3569 }
3570 return rc;
3571 }
3572
3573 static int enable_MAC(struct airo_info *ai, int lock)
3574 {
3575 int rc;
3576 Cmd cmd;
3577 Resp rsp;
3578
3579 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3580 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3581 * Note : we could try to use !netif_running(dev) in enable_MAC()
3582 * instead of this flag, but I don't trust it *within* the
3583 * open/close functions, and testing both flags together is
3584 * "cheaper" - Jean II */
3585 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3586
3587 if (lock && down_interruptible(&ai->sem))
3588 return -ERESTARTSYS;
3589
3590 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3591 memset(&cmd, 0, sizeof(cmd));
3592 cmd.cmd = MAC_ENABLE;
3593 rc = issuecommand(ai, &cmd, &rsp);
3594 if (rc == SUCCESS)
3595 set_bit(FLAG_ENABLED, &ai->flags);
3596 } else
3597 rc = SUCCESS;
3598
3599 if (lock)
3600 up(&ai->sem);
3601
3602 if (rc)
3603 airo_print_err(ai->dev->name, "Cannot enable MAC");
3604 else if ((rsp.status & 0xFF00) != 0) {
3605 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3606 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3607 rc = ERROR;
3608 }
3609 return rc;
3610 }
3611
3612 static void disable_MAC( struct airo_info *ai, int lock ) {
3613 Cmd cmd;
3614 Resp rsp;
3615
3616 if (lock == 1 && down_interruptible(&ai->sem))
3617 return;
3618
3619 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3620 if (lock != 2) /* lock == 2 means don't disable carrier */
3621 netif_carrier_off(ai->dev);
3622 memset(&cmd, 0, sizeof(cmd));
3623 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3624 issuecommand(ai, &cmd, &rsp);
3625 clear_bit(FLAG_ENABLED, &ai->flags);
3626 }
3627 if (lock == 1)
3628 up(&ai->sem);
3629 }
3630
3631 static void enable_interrupts( struct airo_info *ai ) {
3632 /* Enable the interrupts */
3633 OUT4500( ai, EVINTEN, STATUS_INTS );
3634 }
3635
3636 static void disable_interrupts( struct airo_info *ai ) {
3637 OUT4500( ai, EVINTEN, 0 );
3638 }
3639
3640 static void mpi_receive_802_3(struct airo_info *ai)
3641 {
3642 RxFid rxd;
3643 int len = 0;
3644 struct sk_buff *skb;
3645 char *buffer;
3646 int off = 0;
3647 MICBuffer micbuf;
3648
3649 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3650 /* Make sure we got something */
3651 if (rxd.rdy && rxd.valid == 0) {
3652 len = rxd.len + 12;
3653 if (len < 12 || len > 2048)
3654 goto badrx;
3655
3656 skb = dev_alloc_skb(len);
3657 if (!skb) {
3658 ai->dev->stats.rx_dropped++;
3659 goto badrx;
3660 }
3661 buffer = skb_put(skb,len);
3662 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3663 if (ai->micstats.enabled) {
3664 memcpy(&micbuf,
3665 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3666 sizeof(micbuf));
3667 if (ntohs(micbuf.typelen) <= 0x05DC) {
3668 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3669 goto badmic;
3670
3671 off = sizeof(micbuf);
3672 skb_trim (skb, len - off);
3673 }
3674 }
3675 memcpy(buffer + ETH_ALEN * 2,
3676 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3677 len - ETH_ALEN * 2 - off);
3678 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3679 badmic:
3680 dev_kfree_skb_irq (skb);
3681 goto badrx;
3682 }
3683 #ifdef WIRELESS_SPY
3684 if (ai->spy_data.spy_number > 0) {
3685 char *sa;
3686 struct iw_quality wstats;
3687 /* Prepare spy data : addr + qual */
3688 sa = buffer + ETH_ALEN;
3689 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3690 wstats.level = 0;
3691 wstats.updated = 0;
3692 /* Update spy records */
3693 wireless_spy_update(ai->dev, sa, &wstats);
3694 }
3695 #endif /* WIRELESS_SPY */
3696
3697 skb->ip_summed = CHECKSUM_NONE;
3698 skb->protocol = eth_type_trans(skb, ai->dev);
3699 netif_rx(skb);
3700 }
3701 badrx:
3702 if (rxd.valid == 0) {
3703 rxd.valid = 1;
3704 rxd.rdy = 0;
3705 rxd.len = PKTSIZE;
3706 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3707 }
3708 }
3709
3710 static void mpi_receive_802_11(struct airo_info *ai)
3711 {
3712 RxFid rxd;
3713 struct sk_buff *skb = NULL;
3714 u16 len, hdrlen = 0;
3715 __le16 fc;
3716 struct rx_hdr hdr;
3717 u16 gap;
3718 u16 *buffer;
3719 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3720
3721 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3722 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3723 ptr += sizeof(hdr);
3724 /* Bad CRC. Ignore packet */
3725 if (le16_to_cpu(hdr.status) & 2)
3726 hdr.len = 0;
3727 if (ai->wifidev == NULL)
3728 hdr.len = 0;
3729 len = le16_to_cpu(hdr.len);
3730 if (len > AIRO_DEF_MTU) {
3731 airo_print_err(ai->dev->name, "Bad size %d", len);
3732 goto badrx;
3733 }
3734 if (len == 0)
3735 goto badrx;
3736
3737 fc = get_unaligned((__le16 *)ptr);
3738 hdrlen = header_len(fc);
3739
3740 skb = dev_alloc_skb( len + hdrlen + 2 );
3741 if ( !skb ) {
3742 ai->dev->stats.rx_dropped++;
3743 goto badrx;
3744 }
3745 buffer = (u16*)skb_put (skb, len + hdrlen);
3746 memcpy ((char *)buffer, ptr, hdrlen);
3747 ptr += hdrlen;
3748 if (hdrlen == 24)
3749 ptr += 6;
3750 gap = get_unaligned_le16(ptr);
3751 ptr += sizeof(__le16);
3752 if (gap) {
3753 if (gap <= 8)
3754 ptr += gap;
3755 else
3756 airo_print_err(ai->dev->name,
3757 "gaplen too big. Problems will follow...");
3758 }
3759 memcpy ((char *)buffer + hdrlen, ptr, len);
3760 ptr += len;
3761 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3762 if (ai->spy_data.spy_number > 0) {
3763 char *sa;
3764 struct iw_quality wstats;
3765 /* Prepare spy data : addr + qual */
3766 sa = (char*)buffer + 10;
3767 wstats.qual = hdr.rssi[0];
3768 if (ai->rssi)
3769 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3770 else
3771 wstats.level = (hdr.rssi[1] + 321) / 2;
3772 wstats.noise = ai->wstats.qual.noise;
3773 wstats.updated = IW_QUAL_QUAL_UPDATED
3774 | IW_QUAL_LEVEL_UPDATED
3775 | IW_QUAL_DBM;
3776 /* Update spy records */
3777 wireless_spy_update(ai->dev, sa, &wstats);
3778 }
3779 #endif /* IW_WIRELESS_SPY */
3780 skb_reset_mac_header(skb);
3781 skb->pkt_type = PACKET_OTHERHOST;
3782 skb->dev = ai->wifidev;
3783 skb->protocol = htons(ETH_P_802_2);
3784 skb->ip_summed = CHECKSUM_NONE;
3785 netif_rx( skb );
3786
3787 badrx:
3788 if (rxd.valid == 0) {
3789 rxd.valid = 1;
3790 rxd.rdy = 0;
3791 rxd.len = PKTSIZE;
3792 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3793 }
3794 }
3795
3796 static inline void set_auth_type(struct airo_info *local, int auth_type)
3797 {
3798 local->config.authType = auth_type;
3799 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT).
3800 * Used by airo_set_auth()
3801 */
3802 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT)
3803 local->last_auth = auth_type;
3804 }
3805
3806 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3807 {
3808 Cmd cmd;
3809 Resp rsp;
3810 int status;
3811 SsidRid mySsid;
3812 __le16 lastindex;
3813 WepKeyRid wkr;
3814 int rc;
3815
3816 memset( &mySsid, 0, sizeof( mySsid ) );
3817 kfree (ai->flash);
3818 ai->flash = NULL;
3819
3820 /* The NOP is the first step in getting the card going */
3821 cmd.cmd = NOP;
3822 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3823 if (lock && down_interruptible(&ai->sem))
3824 return ERROR;
3825 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3826 if (lock)
3827 up(&ai->sem);
3828 return ERROR;
3829 }
3830 disable_MAC( ai, 0);
3831
3832 // Let's figure out if we need to use the AUX port
3833 if (!test_bit(FLAG_MPI,&ai->flags)) {
3834 cmd.cmd = CMD_ENABLEAUX;
3835 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3836 if (lock)
3837 up(&ai->sem);
3838 airo_print_err(ai->dev->name, "Error checking for AUX port");
3839 return ERROR;
3840 }
3841 if (!aux_bap || rsp.status & 0xff00) {
3842 ai->bap_read = fast_bap_read;
3843 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3844 } else {
3845 ai->bap_read = aux_bap_read;
3846 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3847 }
3848 }
3849 if (lock)
3850 up(&ai->sem);
3851 if (ai->config.len == 0) {
3852 int i;
3853 tdsRssiRid rssi_rid;
3854 CapabilityRid cap_rid;
3855
3856 kfree(ai->SSID);
3857 ai->SSID = NULL;
3858 // general configuration (read/modify/write)
3859 status = readConfigRid(ai, lock);
3860 if ( status != SUCCESS ) return ERROR;
3861
3862 status = readCapabilityRid(ai, &cap_rid, lock);
3863 if ( status != SUCCESS ) return ERROR;
3864
3865 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3866 if ( status == SUCCESS ) {
3867 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3868 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3869 }
3870 else {
3871 kfree(ai->rssi);
3872 ai->rssi = NULL;
3873 if (cap_rid.softCap & cpu_to_le16(8))
3874 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3875 else
3876 airo_print_warn(ai->dev->name, "unknown received signal "
3877 "level scale");
3878 }
3879 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3880 set_auth_type(ai, AUTH_OPEN);
3881 ai->config.modulation = MOD_CCK;
3882
3883 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3884 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3885 micsetup(ai) == SUCCESS) {
3886 ai->config.opmode |= MODE_MIC;
3887 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3888 }
3889
3890 /* Save off the MAC */
3891 for( i = 0; i < ETH_ALEN; i++ ) {
3892 mac[i] = ai->config.macAddr[i];
3893 }
3894
3895 /* Check to see if there are any insmod configured
3896 rates to add */
3897 if ( rates[0] ) {
3898 memset(ai->config.rates,0,sizeof(ai->config.rates));
3899 for( i = 0; i < 8 && rates[i]; i++ ) {
3900 ai->config.rates[i] = rates[i];
3901 }
3902 }
3903 set_bit (FLAG_COMMIT, &ai->flags);
3904 }
3905
3906 /* Setup the SSIDs if present */
3907 if ( ssids[0] ) {
3908 int i;
3909 for( i = 0; i < 3 && ssids[i]; i++ ) {
3910 size_t len = strlen(ssids[i]);
3911 if (len > 32)
3912 len = 32;
3913 mySsid.ssids[i].len = cpu_to_le16(len);
3914 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3915 }
3916 mySsid.len = cpu_to_le16(sizeof(mySsid));
3917 }
3918
3919 status = writeConfigRid(ai, lock);
3920 if ( status != SUCCESS ) return ERROR;
3921
3922 /* Set up the SSID list */
3923 if ( ssids[0] ) {
3924 status = writeSsidRid(ai, &mySsid, lock);
3925 if ( status != SUCCESS ) return ERROR;
3926 }
3927
3928 status = enable_MAC(ai, lock);
3929 if (status != SUCCESS)
3930 return ERROR;
3931
3932 /* Grab the initial wep key, we gotta save it for auto_wep */
3933 rc = readWepKeyRid(ai, &wkr, 1, lock);
3934 if (rc == SUCCESS) do {
3935 lastindex = wkr.kindex;
3936 if (wkr.kindex == cpu_to_le16(0xffff)) {
3937 ai->defindex = wkr.mac[0];
3938 }
3939 rc = readWepKeyRid(ai, &wkr, 0, lock);
3940 } while(lastindex != wkr.kindex);
3941
3942 try_auto_wep(ai);
3943
3944 return SUCCESS;
3945 }
3946
3947 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3948 // Im really paranoid about letting it run forever!
3949 int max_tries = 600000;
3950
3951 if (IN4500(ai, EVSTAT) & EV_CMD)
3952 OUT4500(ai, EVACK, EV_CMD);
3953
3954 OUT4500(ai, PARAM0, pCmd->parm0);
3955 OUT4500(ai, PARAM1, pCmd->parm1);
3956 OUT4500(ai, PARAM2, pCmd->parm2);
3957 OUT4500(ai, COMMAND, pCmd->cmd);
3958
3959 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3960 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3961 // PC4500 didn't notice command, try again
3962 OUT4500(ai, COMMAND, pCmd->cmd);
3963 if (!in_atomic() && (max_tries & 255) == 0)
3964 schedule();
3965 }
3966
3967 if ( max_tries == -1 ) {
3968 airo_print_err(ai->dev->name,
3969 "Max tries exceeded when issuing command");
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3972 return ERROR;
3973 }
3974
3975 // command completed
3976 pRsp->status = IN4500(ai, STATUS);
3977 pRsp->rsp0 = IN4500(ai, RESP0);
3978 pRsp->rsp1 = IN4500(ai, RESP1);
3979 pRsp->rsp2 = IN4500(ai, RESP2);
3980 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3981 airo_print_err(ai->dev->name,
3982 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3983 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3984 pRsp->rsp2);
3985
3986 // clear stuck command busy if necessary
3987 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3988 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3989 }
3990 // acknowledge processing the status/response
3991 OUT4500(ai, EVACK, EV_CMD);
3992
3993 return SUCCESS;
3994 }
3995
3996 /* Sets up the bap to start exchange data. whichbap should
3997 * be one of the BAP0 or BAP1 defines. Locks should be held before
3998 * calling! */
3999 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
4000 {
4001 int timeout = 50;
4002 int max_tries = 3;
4003
4004 OUT4500(ai, SELECT0+whichbap, rid);
4005 OUT4500(ai, OFFSET0+whichbap, offset);
4006 while (1) {
4007 int status = IN4500(ai, OFFSET0+whichbap);
4008 if (status & BAP_BUSY) {
4009 /* This isn't really a timeout, but its kinda
4010 close */
4011 if (timeout--) {
4012 continue;
4013 }
4014 } else if ( status & BAP_ERR ) {
4015 /* invalid rid or offset */
4016 airo_print_err(ai->dev->name, "BAP error %x %d",
4017 status, whichbap );
4018 return ERROR;
4019 } else if (status & BAP_DONE) { // success
4020 return SUCCESS;
4021 }
4022 if ( !(max_tries--) ) {
4023 airo_print_err(ai->dev->name,
4024 "BAP setup error too many retries\n");
4025 return ERROR;
4026 }
4027 // -- PC4500 missed it, try again
4028 OUT4500(ai, SELECT0+whichbap, rid);
4029 OUT4500(ai, OFFSET0+whichbap, offset);
4030 timeout = 50;
4031 }
4032 }
4033
4034 /* should only be called by aux_bap_read. This aux function and the
4035 following use concepts not documented in the developers guide. I
4036 got them from a patch given to my by Aironet */
4037 static u16 aux_setup(struct airo_info *ai, u16 page,
4038 u16 offset, u16 *len)
4039 {
4040 u16 next;
4041
4042 OUT4500(ai, AUXPAGE, page);
4043 OUT4500(ai, AUXOFF, 0);
4044 next = IN4500(ai, AUXDATA);
4045 *len = IN4500(ai, AUXDATA)&0xff;
4046 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4047 return next;
4048 }
4049
4050 /* requires call to bap_setup() first */
4051 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4052 int bytelen, int whichbap)
4053 {
4054 u16 len;
4055 u16 page;
4056 u16 offset;
4057 u16 next;
4058 int words;
4059 int i;
4060 unsigned long flags;
4061
4062 spin_lock_irqsave(&ai->aux_lock, flags);
4063 page = IN4500(ai, SWS0+whichbap);
4064 offset = IN4500(ai, SWS2+whichbap);
4065 next = aux_setup(ai, page, offset, &len);
4066 words = (bytelen+1)>>1;
4067
4068 for (i=0; i<words;) {
4069 int count;
4070 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4071 if ( !do8bitIO )
4072 insw( ai->dev->base_addr+DATA0+whichbap,
4073 pu16Dst+i,count );
4074 else
4075 insb( ai->dev->base_addr+DATA0+whichbap,
4076 pu16Dst+i, count << 1 );
4077 i += count;
4078 if (i<words) {
4079 next = aux_setup(ai, next, 4, &len);
4080 }
4081 }
4082 spin_unlock_irqrestore(&ai->aux_lock, flags);
4083 return SUCCESS;
4084 }
4085
4086
4087 /* requires call to bap_setup() first */
4088 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4089 int bytelen, int whichbap)
4090 {
4091 bytelen = (bytelen + 1) & (~1); // round up to even value
4092 if ( !do8bitIO )
4093 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4094 else
4095 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4096 return SUCCESS;
4097 }
4098
4099 /* requires call to bap_setup() first */
4100 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4101 int bytelen, int whichbap)
4102 {
4103 bytelen = (bytelen + 1) & (~1); // round up to even value
4104 if ( !do8bitIO )
4105 outsw( ai->dev->base_addr+DATA0+whichbap,
4106 pu16Src, bytelen>>1 );
4107 else
4108 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4109 return SUCCESS;
4110 }
4111
4112 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4113 {
4114 Cmd cmd; /* for issuing commands */
4115 Resp rsp; /* response from commands */
4116 u16 status;
4117
4118 memset(&cmd, 0, sizeof(cmd));
4119 cmd.cmd = accmd;
4120 cmd.parm0 = rid;
4121 status = issuecommand(ai, &cmd, &rsp);
4122 if (status != 0) return status;
4123 if ( (rsp.status & 0x7F00) != 0) {
4124 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4125 }
4126 return 0;
4127 }
4128
4129 /* Note, that we are using BAP1 which is also used by transmit, so
4130 * we must get a lock. */
4131 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4132 {
4133 u16 status;
4134 int rc = SUCCESS;
4135
4136 if (lock) {
4137 if (down_interruptible(&ai->sem))
4138 return ERROR;
4139 }
4140 if (test_bit(FLAG_MPI,&ai->flags)) {
4141 Cmd cmd;
4142 Resp rsp;
4143
4144 memset(&cmd, 0, sizeof(cmd));
4145 memset(&rsp, 0, sizeof(rsp));
4146 ai->config_desc.rid_desc.valid = 1;
4147 ai->config_desc.rid_desc.len = RIDSIZE;
4148 ai->config_desc.rid_desc.rid = 0;
4149 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4150
4151 cmd.cmd = CMD_ACCESS;
4152 cmd.parm0 = rid;
4153
4154 memcpy_toio(ai->config_desc.card_ram_off,
4155 &ai->config_desc.rid_desc, sizeof(Rid));
4156
4157 rc = issuecommand(ai, &cmd, &rsp);
4158
4159 if (rsp.status & 0x7f00)
4160 rc = rsp.rsp0;
4161 if (!rc)
4162 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4163 goto done;
4164 } else {
4165 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4166 rc = status;
4167 goto done;
4168 }
4169 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4170 rc = ERROR;
4171 goto done;
4172 }
4173 // read the rid length field
4174 bap_read(ai, pBuf, 2, BAP1);
4175 // length for remaining part of rid
4176 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4177
4178 if ( len <= 2 ) {
4179 airo_print_err(ai->dev->name,
4180 "Rid %x has a length of %d which is too short",
4181 (int)rid, (int)len );
4182 rc = ERROR;
4183 goto done;
4184 }
4185 // read remainder of the rid
4186 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4187 }
4188 done:
4189 if (lock)
4190 up(&ai->sem);
4191 return rc;
4192 }
4193
4194 /* Note, that we are using BAP1 which is also used by transmit, so
4195 * make sure this isn't called when a transmit is happening */
4196 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4197 const void *pBuf, int len, int lock)
4198 {
4199 u16 status;
4200 int rc = SUCCESS;
4201
4202 *(__le16*)pBuf = cpu_to_le16((u16)len);
4203
4204 if (lock) {
4205 if (down_interruptible(&ai->sem))
4206 return ERROR;
4207 }
4208 if (test_bit(FLAG_MPI,&ai->flags)) {
4209 Cmd cmd;
4210 Resp rsp;
4211
4212 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4213 airo_print_err(ai->dev->name,
4214 "%s: MAC should be disabled (rid=%04x)",
4215 __func__, rid);
4216 memset(&cmd, 0, sizeof(cmd));
4217 memset(&rsp, 0, sizeof(rsp));
4218
4219 ai->config_desc.rid_desc.valid = 1;
4220 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4221 ai->config_desc.rid_desc.rid = 0;
4222
4223 cmd.cmd = CMD_WRITERID;
4224 cmd.parm0 = rid;
4225
4226 memcpy_toio(ai->config_desc.card_ram_off,
4227 &ai->config_desc.rid_desc, sizeof(Rid));
4228
4229 if (len < 4 || len > 2047) {
4230 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4231 rc = -1;
4232 } else {
4233 memcpy(ai->config_desc.virtual_host_addr,
4234 pBuf, len);
4235
4236 rc = issuecommand(ai, &cmd, &rsp);
4237 if ((rc & 0xff00) != 0) {
4238 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4239 __func__, rc);
4240 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4241 __func__, cmd.cmd);
4242 }
4243
4244 if ((rsp.status & 0x7f00))
4245 rc = rsp.rsp0;
4246 }
4247 } else {
4248 // --- first access so that we can write the rid data
4249 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4250 rc = status;
4251 goto done;
4252 }
4253 // --- now write the rid data
4254 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4255 rc = ERROR;
4256 goto done;
4257 }
4258 bap_write(ai, pBuf, len, BAP1);
4259 // ---now commit the rid data
4260 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4261 }
4262 done:
4263 if (lock)
4264 up(&ai->sem);
4265 return rc;
4266 }
4267
4268 /* Allocates a FID to be used for transmitting packets. We only use
4269 one for now. */
4270 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4271 {
4272 unsigned int loop = 3000;
4273 Cmd cmd;
4274 Resp rsp;
4275 u16 txFid;
4276 __le16 txControl;
4277
4278 cmd.cmd = CMD_ALLOCATETX;
4279 cmd.parm0 = lenPayload;
4280 if (down_interruptible(&ai->sem))
4281 return ERROR;
4282 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4283 txFid = ERROR;
4284 goto done;
4285 }
4286 if ( (rsp.status & 0xFF00) != 0) {
4287 txFid = ERROR;
4288 goto done;
4289 }
4290 /* wait for the allocate event/indication
4291 * It makes me kind of nervous that this can just sit here and spin,
4292 * but in practice it only loops like four times. */
4293 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4294 if (!loop) {
4295 txFid = ERROR;
4296 goto done;
4297 }
4298
4299 // get the allocated fid and acknowledge
4300 txFid = IN4500(ai, TXALLOCFID);
4301 OUT4500(ai, EVACK, EV_ALLOC);
4302
4303 /* The CARD is pretty cool since it converts the ethernet packet
4304 * into 802.11. Also note that we don't release the FID since we
4305 * will be using the same one over and over again. */
4306 /* We only have to setup the control once since we are not
4307 * releasing the fid. */
4308 if (raw)
4309 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4310 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4311 else
4312 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4313 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4314 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4315 txFid = ERROR;
4316 else
4317 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4318
4319 done:
4320 up(&ai->sem);
4321
4322 return txFid;
4323 }
4324
4325 /* In general BAP1 is dedicated to transmiting packets. However,
4326 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4327 Make sure the BAP1 spinlock is held when this is called. */
4328 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4329 {
4330 __le16 payloadLen;
4331 Cmd cmd;
4332 Resp rsp;
4333 int miclen = 0;
4334 u16 txFid = len;
4335 MICBuffer pMic;
4336
4337 len >>= 16;
4338
4339 if (len <= ETH_ALEN * 2) {
4340 airo_print_warn(ai->dev->name, "Short packet %d", len);
4341 return ERROR;
4342 }
4343 len -= ETH_ALEN * 2;
4344
4345 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4346 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4347 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4348 return ERROR;
4349 miclen = sizeof(pMic);
4350 }
4351 // packet is destination[6], source[6], payload[len-12]
4352 // write the payload length and dst/src/payload
4353 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4354 /* The hardware addresses aren't counted as part of the payload, so
4355 * we have to subtract the 12 bytes for the addresses off */
4356 payloadLen = cpu_to_le16(len + miclen);
4357 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4358 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4359 if (miclen)
4360 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4361 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4362 // issue the transmit command
4363 memset( &cmd, 0, sizeof( cmd ) );
4364 cmd.cmd = CMD_TRANSMIT;
4365 cmd.parm0 = txFid;
4366 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4367 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4368 return SUCCESS;
4369 }
4370
4371 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4372 {
4373 __le16 fc, payloadLen;
4374 Cmd cmd;
4375 Resp rsp;
4376 int hdrlen;
4377 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4378 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4379 u16 txFid = len;
4380 len >>= 16;
4381
4382 fc = *(__le16*)pPacket;
4383 hdrlen = header_len(fc);
4384
4385 if (len < hdrlen) {
4386 airo_print_warn(ai->dev->name, "Short packet %d", len);
4387 return ERROR;
4388 }
4389
4390 /* packet is 802.11 header + payload
4391 * write the payload length and dst/src/payload */
4392 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4393 /* The 802.11 header aren't counted as part of the payload, so
4394 * we have to subtract the header bytes off */
4395 payloadLen = cpu_to_le16(len-hdrlen);
4396 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4397 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4398 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4399 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4400
4401 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4402 // issue the transmit command
4403 memset( &cmd, 0, sizeof( cmd ) );
4404 cmd.cmd = CMD_TRANSMIT;
4405 cmd.parm0 = txFid;
4406 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4407 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4408 return SUCCESS;
4409 }
4410
4411 /*
4412 * This is the proc_fs routines. It is a bit messier than I would
4413 * like! Feel free to clean it up!
4414 */
4415
4416 static ssize_t proc_read( struct file *file,
4417 char __user *buffer,
4418 size_t len,
4419 loff_t *offset);
4420
4421 static ssize_t proc_write( struct file *file,
4422 const char __user *buffer,
4423 size_t len,
4424 loff_t *offset );
4425 static int proc_close( struct inode *inode, struct file *file );
4426
4427 static int proc_stats_open( struct inode *inode, struct file *file );
4428 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4429 static int proc_status_open( struct inode *inode, struct file *file );
4430 static int proc_SSID_open( struct inode *inode, struct file *file );
4431 static int proc_APList_open( struct inode *inode, struct file *file );
4432 static int proc_BSSList_open( struct inode *inode, struct file *file );
4433 static int proc_config_open( struct inode *inode, struct file *file );
4434 static int proc_wepkey_open( struct inode *inode, struct file *file );
4435
4436 static const struct file_operations proc_statsdelta_ops = {
4437 .owner = THIS_MODULE,
4438 .read = proc_read,
4439 .open = proc_statsdelta_open,
4440 .release = proc_close,
4441 .llseek = default_llseek,
4442 };
4443
4444 static const struct file_operations proc_stats_ops = {
4445 .owner = THIS_MODULE,
4446 .read = proc_read,
4447 .open = proc_stats_open,
4448 .release = proc_close,
4449 .llseek = default_llseek,
4450 };
4451
4452 static const struct file_operations proc_status_ops = {
4453 .owner = THIS_MODULE,
4454 .read = proc_read,
4455 .open = proc_status_open,
4456 .release = proc_close,
4457 .llseek = default_llseek,
4458 };
4459
4460 static const struct file_operations proc_SSID_ops = {
4461 .owner = THIS_MODULE,
4462 .read = proc_read,
4463 .write = proc_write,
4464 .open = proc_SSID_open,
4465 .release = proc_close,
4466 .llseek = default_llseek,
4467 };
4468
4469 static const struct file_operations proc_BSSList_ops = {
4470 .owner = THIS_MODULE,
4471 .read = proc_read,
4472 .write = proc_write,
4473 .open = proc_BSSList_open,
4474 .release = proc_close,
4475 .llseek = default_llseek,
4476 };
4477
4478 static const struct file_operations proc_APList_ops = {
4479 .owner = THIS_MODULE,
4480 .read = proc_read,
4481 .write = proc_write,
4482 .open = proc_APList_open,
4483 .release = proc_close,
4484 .llseek = default_llseek,
4485 };
4486
4487 static const struct file_operations proc_config_ops = {
4488 .owner = THIS_MODULE,
4489 .read = proc_read,
4490 .write = proc_write,
4491 .open = proc_config_open,
4492 .release = proc_close,
4493 .llseek = default_llseek,
4494 };
4495
4496 static const struct file_operations proc_wepkey_ops = {
4497 .owner = THIS_MODULE,
4498 .read = proc_read,
4499 .write = proc_write,
4500 .open = proc_wepkey_open,
4501 .release = proc_close,
4502 .llseek = default_llseek,
4503 };
4504
4505 static struct proc_dir_entry *airo_entry;
4506
4507 struct proc_data {
4508 int release_buffer;
4509 int readlen;
4510 char *rbuffer;
4511 int writelen;
4512 int maxwritelen;
4513 char *wbuffer;
4514 void (*on_close) (struct inode *, struct file *);
4515 };
4516
4517 static int setup_proc_entry( struct net_device *dev,
4518 struct airo_info *apriv ) {
4519 struct proc_dir_entry *entry;
4520
4521 /* First setup the device directory */
4522 strcpy(apriv->proc_name,dev->name);
4523 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4524 airo_entry);
4525 if (!apriv->proc_entry)
4526 return -ENOMEM;
4527 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4528
4529 /* Setup the StatsDelta */
4530 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4531 apriv->proc_entry, &proc_statsdelta_ops, dev);
4532 if (!entry)
4533 goto fail;
4534 proc_set_user(entry, proc_kuid, proc_kgid);
4535
4536 /* Setup the Stats */
4537 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4538 apriv->proc_entry, &proc_stats_ops, dev);
4539 if (!entry)
4540 goto fail;
4541 proc_set_user(entry, proc_kuid, proc_kgid);
4542
4543 /* Setup the Status */
4544 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4545 apriv->proc_entry, &proc_status_ops, dev);
4546 if (!entry)
4547 goto fail;
4548 proc_set_user(entry, proc_kuid, proc_kgid);
4549
4550 /* Setup the Config */
4551 entry = proc_create_data("Config", proc_perm,
4552 apriv->proc_entry, &proc_config_ops, dev);
4553 if (!entry)
4554 goto fail;
4555 proc_set_user(entry, proc_kuid, proc_kgid);
4556
4557 /* Setup the SSID */
4558 entry = proc_create_data("SSID", proc_perm,
4559 apriv->proc_entry, &proc_SSID_ops, dev);
4560 if (!entry)
4561 goto fail;
4562 proc_set_user(entry, proc_kuid, proc_kgid);
4563
4564 /* Setup the APList */
4565 entry = proc_create_data("APList", proc_perm,
4566 apriv->proc_entry, &proc_APList_ops, dev);
4567 if (!entry)
4568 goto fail;
4569 proc_set_user(entry, proc_kuid, proc_kgid);
4570
4571 /* Setup the BSSList */
4572 entry = proc_create_data("BSSList", proc_perm,
4573 apriv->proc_entry, &proc_BSSList_ops, dev);
4574 if (!entry)
4575 goto fail;
4576 proc_set_user(entry, proc_kuid, proc_kgid);
4577
4578 /* Setup the WepKey */
4579 entry = proc_create_data("WepKey", proc_perm,
4580 apriv->proc_entry, &proc_wepkey_ops, dev);
4581 if (!entry)
4582 goto fail;
4583 proc_set_user(entry, proc_kuid, proc_kgid);
4584 return 0;
4585
4586 fail:
4587 remove_proc_subtree(apriv->proc_name, airo_entry);
4588 return -ENOMEM;
4589 }
4590
4591 static int takedown_proc_entry( struct net_device *dev,
4592 struct airo_info *apriv )
4593 {
4594 remove_proc_subtree(apriv->proc_name, airo_entry);
4595 return 0;
4596 }
4597
4598 /*
4599 * What we want from the proc_fs is to be able to efficiently read
4600 * and write the configuration. To do this, we want to read the
4601 * configuration when the file is opened and write it when the file is
4602 * closed. So basically we allocate a read buffer at open and fill it
4603 * with data, and allocate a write buffer and read it at close.
4604 */
4605
4606 /*
4607 * The read routine is generic, it relies on the preallocated rbuffer
4608 * to supply the data.
4609 */
4610 static ssize_t proc_read( struct file *file,
4611 char __user *buffer,
4612 size_t len,
4613 loff_t *offset )
4614 {
4615 struct proc_data *priv = file->private_data;
4616
4617 if (!priv->rbuffer)
4618 return -EINVAL;
4619
4620 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4621 priv->readlen);
4622 }
4623
4624 /*
4625 * The write routine is generic, it fills in a preallocated rbuffer
4626 * to supply the data.
4627 */
4628 static ssize_t proc_write( struct file *file,
4629 const char __user *buffer,
4630 size_t len,
4631 loff_t *offset )
4632 {
4633 ssize_t ret;
4634 struct proc_data *priv = file->private_data;
4635
4636 if (!priv->wbuffer)
4637 return -EINVAL;
4638
4639 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4640 buffer, len);
4641 if (ret > 0)
4642 priv->writelen = max_t(int, priv->writelen, *offset);
4643
4644 return ret;
4645 }
4646
4647 static int proc_status_open(struct inode *inode, struct file *file)
4648 {
4649 struct proc_data *data;
4650 struct net_device *dev = PDE_DATA(inode);
4651 struct airo_info *apriv = dev->ml_priv;
4652 CapabilityRid cap_rid;
4653 StatusRid status_rid;
4654 u16 mode;
4655 int i;
4656
4657 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4658 return -ENOMEM;
4659 data = file->private_data;
4660 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4661 kfree (file->private_data);
4662 return -ENOMEM;
4663 }
4664
4665 readStatusRid(apriv, &status_rid, 1);
4666 readCapabilityRid(apriv, &cap_rid, 1);
4667
4668 mode = le16_to_cpu(status_rid.mode);
4669
4670 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4671 mode & 1 ? "CFG ": "",
4672 mode & 2 ? "ACT ": "",
4673 mode & 0x10 ? "SYN ": "",
4674 mode & 0x20 ? "LNK ": "",
4675 mode & 0x40 ? "LEAP ": "",
4676 mode & 0x80 ? "PRIV ": "",
4677 mode & 0x100 ? "KEY ": "",
4678 mode & 0x200 ? "WEP ": "",
4679 mode & 0x8000 ? "ERR ": "");
4680 sprintf( data->rbuffer+i, "Mode: %x\n"
4681 "Signal Strength: %d\n"
4682 "Signal Quality: %d\n"
4683 "SSID: %-.*s\n"
4684 "AP: %-.16s\n"
4685 "Freq: %d\n"
4686 "BitRate: %dmbs\n"
4687 "Driver Version: %s\n"
4688 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4689 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4690 "Software Version: %x\nSoftware Subversion: %x\n"
4691 "Boot block version: %x\n",
4692 le16_to_cpu(status_rid.mode),
4693 le16_to_cpu(status_rid.normalizedSignalStrength),
4694 le16_to_cpu(status_rid.signalQuality),
4695 le16_to_cpu(status_rid.SSIDlen),
4696 status_rid.SSID,
4697 status_rid.apName,
4698 le16_to_cpu(status_rid.channel),
4699 le16_to_cpu(status_rid.currentXmitRate) / 2,
4700 version,
4701 cap_rid.prodName,
4702 cap_rid.manName,
4703 cap_rid.prodVer,
4704 le16_to_cpu(cap_rid.radioType),
4705 le16_to_cpu(cap_rid.country),
4706 le16_to_cpu(cap_rid.hardVer),
4707 le16_to_cpu(cap_rid.softVer),
4708 le16_to_cpu(cap_rid.softSubVer),
4709 le16_to_cpu(cap_rid.bootBlockVer));
4710 data->readlen = strlen( data->rbuffer );
4711 return 0;
4712 }
4713
4714 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4715 static int proc_statsdelta_open( struct inode *inode,
4716 struct file *file ) {
4717 if (file->f_mode&FMODE_WRITE) {
4718 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4719 }
4720 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4721 }
4722
4723 static int proc_stats_open( struct inode *inode, struct file *file ) {
4724 return proc_stats_rid_open(inode, file, RID_STATS);
4725 }
4726
4727 static int proc_stats_rid_open( struct inode *inode,
4728 struct file *file,
4729 u16 rid )
4730 {
4731 struct proc_data *data;
4732 struct net_device *dev = PDE_DATA(inode);
4733 struct airo_info *apriv = dev->ml_priv;
4734 StatsRid stats;
4735 int i, j;
4736 __le32 *vals = stats.vals;
4737 int len;
4738
4739 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4740 return -ENOMEM;
4741 data = file->private_data;
4742 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4743 kfree (file->private_data);
4744 return -ENOMEM;
4745 }
4746
4747 readStatsRid(apriv, &stats, rid, 1);
4748 len = le16_to_cpu(stats.len);
4749
4750 j = 0;
4751 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4752 if (!statsLabels[i]) continue;
4753 if (j+strlen(statsLabels[i])+16>4096) {
4754 airo_print_warn(apriv->dev->name,
4755 "Potentially disastrous buffer overflow averted!");
4756 break;
4757 }
4758 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4759 le32_to_cpu(vals[i]));
4760 }
4761 if (i*4 >= len) {
4762 airo_print_warn(apriv->dev->name, "Got a short rid");
4763 }
4764 data->readlen = j;
4765 return 0;
4766 }
4767
4768 static int get_dec_u16( char *buffer, int *start, int limit ) {
4769 u16 value;
4770 int valid = 0;
4771 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4772 buffer[*start] <= '9'; (*start)++) {
4773 valid = 1;
4774 value *= 10;
4775 value += buffer[*start] - '0';
4776 }
4777 if ( !valid ) return -1;
4778 return value;
4779 }
4780
4781 static int airo_config_commit(struct net_device *dev,
4782 struct iw_request_info *info, void *zwrq,
4783 char *extra);
4784
4785 static inline int sniffing_mode(struct airo_info *ai)
4786 {
4787 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4788 le16_to_cpu(RXMODE_RFMON);
4789 }
4790
4791 static void proc_config_on_close(struct inode *inode, struct file *file)
4792 {
4793 struct proc_data *data = file->private_data;
4794 struct net_device *dev = PDE_DATA(inode);
4795 struct airo_info *ai = dev->ml_priv;
4796 char *line;
4797
4798 if ( !data->writelen ) return;
4799
4800 readConfigRid(ai, 1);
4801 set_bit (FLAG_COMMIT, &ai->flags);
4802
4803 line = data->wbuffer;
4804 while( line[0] ) {
4805 /*** Mode processing */
4806 if ( !strncmp( line, "Mode: ", 6 ) ) {
4807 line += 6;
4808 if (sniffing_mode(ai))
4809 set_bit (FLAG_RESET, &ai->flags);
4810 ai->config.rmode &= ~RXMODE_FULL_MASK;
4811 clear_bit (FLAG_802_11, &ai->flags);
4812 ai->config.opmode &= ~MODE_CFG_MASK;
4813 ai->config.scanMode = SCANMODE_ACTIVE;
4814 if ( line[0] == 'a' ) {
4815 ai->config.opmode |= MODE_STA_IBSS;
4816 } else {
4817 ai->config.opmode |= MODE_STA_ESS;
4818 if ( line[0] == 'r' ) {
4819 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4820 ai->config.scanMode = SCANMODE_PASSIVE;
4821 set_bit (FLAG_802_11, &ai->flags);
4822 } else if ( line[0] == 'y' ) {
4823 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4824 ai->config.scanMode = SCANMODE_PASSIVE;
4825 set_bit (FLAG_802_11, &ai->flags);
4826 } else if ( line[0] == 'l' )
4827 ai->config.rmode |= RXMODE_LANMON;
4828 }
4829 set_bit (FLAG_COMMIT, &ai->flags);
4830 }
4831
4832 /*** Radio status */
4833 else if (!strncmp(line,"Radio: ", 7)) {
4834 line += 7;
4835 if (!strncmp(line,"off",3)) {
4836 set_bit (FLAG_RADIO_OFF, &ai->flags);
4837 } else {
4838 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4839 }
4840 }
4841 /*** NodeName processing */
4842 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4843 int j;
4844
4845 line += 10;
4846 memset( ai->config.nodeName, 0, 16 );
4847 /* Do the name, assume a space between the mode and node name */
4848 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4849 ai->config.nodeName[j] = line[j];
4850 }
4851 set_bit (FLAG_COMMIT, &ai->flags);
4852 }
4853
4854 /*** PowerMode processing */
4855 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4856 line += 11;
4857 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4858 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4859 set_bit (FLAG_COMMIT, &ai->flags);
4860 } else if ( !strncmp( line, "PSP", 3 ) ) {
4861 ai->config.powerSaveMode = POWERSAVE_PSP;
4862 set_bit (FLAG_COMMIT, &ai->flags);
4863 } else {
4864 ai->config.powerSaveMode = POWERSAVE_CAM;
4865 set_bit (FLAG_COMMIT, &ai->flags);
4866 }
4867 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4868 int v, i = 0, k = 0; /* i is index into line,
4869 k is index to rates */
4870
4871 line += 11;
4872 while((v = get_dec_u16(line, &i, 3))!=-1) {
4873 ai->config.rates[k++] = (u8)v;
4874 line += i + 1;
4875 i = 0;
4876 }
4877 set_bit (FLAG_COMMIT, &ai->flags);
4878 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4879 int v, i = 0;
4880 line += 9;
4881 v = get_dec_u16(line, &i, i+3);
4882 if ( v != -1 ) {
4883 ai->config.channelSet = cpu_to_le16(v);
4884 set_bit (FLAG_COMMIT, &ai->flags);
4885 }
4886 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4887 int v, i = 0;
4888 line += 11;
4889 v = get_dec_u16(line, &i, i+3);
4890 if ( v != -1 ) {
4891 ai->config.txPower = cpu_to_le16(v);
4892 set_bit (FLAG_COMMIT, &ai->flags);
4893 }
4894 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4895 line += 5;
4896 switch( line[0] ) {
4897 case 's':
4898 set_auth_type(ai, AUTH_SHAREDKEY);
4899 break;
4900 case 'e':
4901 set_auth_type(ai, AUTH_ENCRYPT);
4902 break;
4903 default:
4904 set_auth_type(ai, AUTH_OPEN);
4905 break;
4906 }
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4909 int v, i = 0;
4910
4911 line += 16;
4912 v = get_dec_u16(line, &i, 3);
4913 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4914 ai->config.longRetryLimit = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4917 int v, i = 0;
4918
4919 line += 17;
4920 v = get_dec_u16(line, &i, 3);
4921 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4922 ai->config.shortRetryLimit = cpu_to_le16(v);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4925 int v, i = 0;
4926
4927 line += 14;
4928 v = get_dec_u16(line, &i, 4);
4929 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4930 ai->config.rtsThres = cpu_to_le16(v);
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4933 int v, i = 0;
4934
4935 line += 16;
4936 v = get_dec_u16(line, &i, 5);
4937 v = (v<0) ? 0 : v;
4938 ai->config.txLifetime = cpu_to_le16(v);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4941 int v, i = 0;
4942
4943 line += 16;
4944 v = get_dec_u16(line, &i, 5);
4945 v = (v<0) ? 0 : v;
4946 ai->config.rxLifetime = cpu_to_le16(v);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4949 ai->config.txDiversity =
4950 (line[13]=='l') ? 1 :
4951 ((line[13]=='r')? 2: 3);
4952 set_bit (FLAG_COMMIT, &ai->flags);
4953 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4954 ai->config.rxDiversity =
4955 (line[13]=='l') ? 1 :
4956 ((line[13]=='r')? 2: 3);
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4959 int v, i = 0;
4960
4961 line += 15;
4962 v = get_dec_u16(line, &i, 4);
4963 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4964 v = v & 0xfffe; /* Make sure its even */
4965 ai->config.fragThresh = cpu_to_le16(v);
4966 set_bit (FLAG_COMMIT, &ai->flags);
4967 } else if (!strncmp(line, "Modulation: ", 12)) {
4968 line += 12;
4969 switch(*line) {
4970 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4971 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4972 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4973 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4974 }
4975 } else if (!strncmp(line, "Preamble: ", 10)) {
4976 line += 10;
4977 switch(*line) {
4978 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4979 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4980 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4981 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4982 }
4983 } else {
4984 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4985 }
4986 while( line[0] && line[0] != '\n' ) line++;
4987 if ( line[0] ) line++;
4988 }
4989 airo_config_commit(dev, NULL, NULL, NULL);
4990 }
4991
4992 static const char *get_rmode(__le16 mode)
4993 {
4994 switch(mode & RXMODE_MASK) {
4995 case RXMODE_RFMON: return "rfmon";
4996 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4997 case RXMODE_LANMON: return "lanmon";
4998 }
4999 return "ESS";
5000 }
5001
5002 static int proc_config_open(struct inode *inode, struct file *file)
5003 {
5004 struct proc_data *data;
5005 struct net_device *dev = PDE_DATA(inode);
5006 struct airo_info *ai = dev->ml_priv;
5007 int i;
5008 __le16 mode;
5009
5010 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5011 return -ENOMEM;
5012 data = file->private_data;
5013 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5014 kfree (file->private_data);
5015 return -ENOMEM;
5016 }
5017 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5018 kfree (data->rbuffer);
5019 kfree (file->private_data);
5020 return -ENOMEM;
5021 }
5022 data->maxwritelen = 2048;
5023 data->on_close = proc_config_on_close;
5024
5025 readConfigRid(ai, 1);
5026
5027 mode = ai->config.opmode & MODE_CFG_MASK;
5028 i = sprintf( data->rbuffer,
5029 "Mode: %s\n"
5030 "Radio: %s\n"
5031 "NodeName: %-16s\n"
5032 "PowerMode: %s\n"
5033 "DataRates: %d %d %d %d %d %d %d %d\n"
5034 "Channel: %d\n"
5035 "XmitPower: %d\n",
5036 mode == MODE_STA_IBSS ? "adhoc" :
5037 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5038 mode == MODE_AP ? "AP" :
5039 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5040 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5041 ai->config.nodeName,
5042 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5043 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5044 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5045 "Error",
5046 (int)ai->config.rates[0],
5047 (int)ai->config.rates[1],
5048 (int)ai->config.rates[2],
5049 (int)ai->config.rates[3],
5050 (int)ai->config.rates[4],
5051 (int)ai->config.rates[5],
5052 (int)ai->config.rates[6],
5053 (int)ai->config.rates[7],
5054 le16_to_cpu(ai->config.channelSet),
5055 le16_to_cpu(ai->config.txPower)
5056 );
5057 sprintf( data->rbuffer + i,
5058 "LongRetryLimit: %d\n"
5059 "ShortRetryLimit: %d\n"
5060 "RTSThreshold: %d\n"
5061 "TXMSDULifetime: %d\n"
5062 "RXMSDULifetime: %d\n"
5063 "TXDiversity: %s\n"
5064 "RXDiversity: %s\n"
5065 "FragThreshold: %d\n"
5066 "WEP: %s\n"
5067 "Modulation: %s\n"
5068 "Preamble: %s\n",
5069 le16_to_cpu(ai->config.longRetryLimit),
5070 le16_to_cpu(ai->config.shortRetryLimit),
5071 le16_to_cpu(ai->config.rtsThres),
5072 le16_to_cpu(ai->config.txLifetime),
5073 le16_to_cpu(ai->config.rxLifetime),
5074 ai->config.txDiversity == 1 ? "left" :
5075 ai->config.txDiversity == 2 ? "right" : "both",
5076 ai->config.rxDiversity == 1 ? "left" :
5077 ai->config.rxDiversity == 2 ? "right" : "both",
5078 le16_to_cpu(ai->config.fragThresh),
5079 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5080 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5081 ai->config.modulation == MOD_DEFAULT ? "default" :
5082 ai->config.modulation == MOD_CCK ? "cck" :
5083 ai->config.modulation == MOD_MOK ? "mok" : "error",
5084 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5085 ai->config.preamble == PREAMBLE_LONG ? "long" :
5086 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5087 );
5088 data->readlen = strlen( data->rbuffer );
5089 return 0;
5090 }
5091
5092 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5093 {
5094 struct proc_data *data = file->private_data;
5095 struct net_device *dev = PDE_DATA(inode);
5096 struct airo_info *ai = dev->ml_priv;
5097 SsidRid SSID_rid;
5098 int i;
5099 char *p = data->wbuffer;
5100 char *end = p + data->writelen;
5101
5102 if (!data->writelen)
5103 return;
5104
5105 *end = '\n'; /* sentinel; we have space for it */
5106
5107 memset(&SSID_rid, 0, sizeof(SSID_rid));
5108
5109 for (i = 0; i < 3 && p < end; i++) {
5110 int j = 0;
5111 /* copy up to 32 characters from this line */
5112 while (*p != '\n' && j < 32)
5113 SSID_rid.ssids[i].ssid[j++] = *p++;
5114 if (j == 0)
5115 break;
5116 SSID_rid.ssids[i].len = cpu_to_le16(j);
5117 /* skip to the beginning of the next line */
5118 while (*p++ != '\n')
5119 ;
5120 }
5121 if (i)
5122 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5123 disable_MAC(ai, 1);
5124 writeSsidRid(ai, &SSID_rid, 1);
5125 enable_MAC(ai, 1);
5126 }
5127
5128 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5129 struct proc_data *data = file->private_data;
5130 struct net_device *dev = PDE_DATA(inode);
5131 struct airo_info *ai = dev->ml_priv;
5132 APListRid *APList_rid = &ai->APList;
5133 int i;
5134
5135 if ( !data->writelen ) return;
5136
5137 memset(APList_rid, 0, sizeof(*APList_rid));
5138 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5139
5140 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++)
5141 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]);
5142
5143 disable_MAC(ai, 1);
5144 writeAPListRid(ai, APList_rid, 1);
5145 enable_MAC(ai, 1);
5146 }
5147
5148 /* This function wraps PC4500_writerid with a MAC disable */
5149 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5150 int len, int dummy ) {
5151 int rc;
5152
5153 disable_MAC(ai, 1);
5154 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5155 enable_MAC(ai, 1);
5156 return rc;
5157 }
5158
5159 /* Returns the WEP key at the specified index, or -1 if that key does
5160 * not exist. The buffer is assumed to be at least 16 bytes in length.
5161 */
5162 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5163 {
5164 WepKeyRid wkr;
5165 int rc;
5166 __le16 lastindex;
5167
5168 rc = readWepKeyRid(ai, &wkr, 1, 1);
5169 if (rc != SUCCESS)
5170 return -1;
5171 do {
5172 lastindex = wkr.kindex;
5173 if (le16_to_cpu(wkr.kindex) == index) {
5174 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5175 memcpy(buf, wkr.key, klen);
5176 return klen;
5177 }
5178 rc = readWepKeyRid(ai, &wkr, 0, 1);
5179 if (rc != SUCCESS)
5180 return -1;
5181 } while (lastindex != wkr.kindex);
5182 return -1;
5183 }
5184
5185 static int get_wep_tx_idx(struct airo_info *ai)
5186 {
5187 WepKeyRid wkr;
5188 int rc;
5189 __le16 lastindex;
5190
5191 rc = readWepKeyRid(ai, &wkr, 1, 1);
5192 if (rc != SUCCESS)
5193 return -1;
5194 do {
5195 lastindex = wkr.kindex;
5196 if (wkr.kindex == cpu_to_le16(0xffff))
5197 return wkr.mac[0];
5198 rc = readWepKeyRid(ai, &wkr, 0, 1);
5199 if (rc != SUCCESS)
5200 return -1;
5201 } while (lastindex != wkr.kindex);
5202 return -1;
5203 }
5204
5205 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5206 u16 keylen, int perm, int lock)
5207 {
5208 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5209 WepKeyRid wkr;
5210 int rc;
5211
5212 if (WARN_ON(keylen == 0))
5213 return -1;
5214
5215 memset(&wkr, 0, sizeof(wkr));
5216 wkr.len = cpu_to_le16(sizeof(wkr));
5217 wkr.kindex = cpu_to_le16(index);
5218 wkr.klen = cpu_to_le16(keylen);
5219 memcpy(wkr.key, key, keylen);
5220 memcpy(wkr.mac, macaddr, ETH_ALEN);
5221
5222 if (perm) disable_MAC(ai, lock);
5223 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5224 if (perm) enable_MAC(ai, lock);
5225 return rc;
5226 }
5227
5228 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5229 {
5230 WepKeyRid wkr;
5231 int rc;
5232
5233 memset(&wkr, 0, sizeof(wkr));
5234 wkr.len = cpu_to_le16(sizeof(wkr));
5235 wkr.kindex = cpu_to_le16(0xffff);
5236 wkr.mac[0] = (char)index;
5237
5238 if (perm) {
5239 ai->defindex = (char)index;
5240 disable_MAC(ai, lock);
5241 }
5242
5243 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5244
5245 if (perm)
5246 enable_MAC(ai, lock);
5247 return rc;
5248 }
5249
5250 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5251 struct proc_data *data;
5252 struct net_device *dev = PDE_DATA(inode);
5253 struct airo_info *ai = dev->ml_priv;
5254 int i, rc;
5255 char key[16];
5256 u16 index = 0;
5257 int j = 0;
5258
5259 memset(key, 0, sizeof(key));
5260
5261 data = file->private_data;
5262 if ( !data->writelen ) return;
5263
5264 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5265 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5266 index = data->wbuffer[0] - '0';
5267 if (data->wbuffer[1] == '\n') {
5268 rc = set_wep_tx_idx(ai, index, 1, 1);
5269 if (rc < 0) {
5270 airo_print_err(ai->dev->name, "failed to set "
5271 "WEP transmit index to %d: %d.",
5272 index, rc);
5273 }
5274 return;
5275 }
5276 j = 2;
5277 } else {
5278 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5279 return;
5280 }
5281
5282 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5283 switch(i%3) {
5284 case 0:
5285 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5286 break;
5287 case 1:
5288 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5289 break;
5290 }
5291 }
5292
5293 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5294 if (rc < 0) {
5295 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5296 "%d: %d.", index, rc);
5297 }
5298 }
5299
5300 static int proc_wepkey_open( struct inode *inode, struct file *file )
5301 {
5302 struct proc_data *data;
5303 struct net_device *dev = PDE_DATA(inode);
5304 struct airo_info *ai = dev->ml_priv;
5305 char *ptr;
5306 WepKeyRid wkr;
5307 __le16 lastindex;
5308 int j=0;
5309 int rc;
5310
5311 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5312 return -ENOMEM;
5313 memset(&wkr, 0, sizeof(wkr));
5314 data = file->private_data;
5315 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5316 kfree (file->private_data);
5317 return -ENOMEM;
5318 }
5319 data->writelen = 0;
5320 data->maxwritelen = 80;
5321 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5322 kfree (data->rbuffer);
5323 kfree (file->private_data);
5324 return -ENOMEM;
5325 }
5326 data->on_close = proc_wepkey_on_close;
5327
5328 ptr = data->rbuffer;
5329 strcpy(ptr, "No wep keys\n");
5330 rc = readWepKeyRid(ai, &wkr, 1, 1);
5331 if (rc == SUCCESS) do {
5332 lastindex = wkr.kindex;
5333 if (wkr.kindex == cpu_to_le16(0xffff)) {
5334 j += sprintf(ptr+j, "Tx key = %d\n",
5335 (int)wkr.mac[0]);
5336 } else {
5337 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5338 le16_to_cpu(wkr.kindex),
5339 le16_to_cpu(wkr.klen));
5340 }
5341 readWepKeyRid(ai, &wkr, 0, 1);
5342 } while((lastindex != wkr.kindex) && (j < 180-30));
5343
5344 data->readlen = strlen( data->rbuffer );
5345 return 0;
5346 }
5347
5348 static int proc_SSID_open(struct inode *inode, struct file *file)
5349 {
5350 struct proc_data *data;
5351 struct net_device *dev = PDE_DATA(inode);
5352 struct airo_info *ai = dev->ml_priv;
5353 int i;
5354 char *ptr;
5355 SsidRid SSID_rid;
5356
5357 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5358 return -ENOMEM;
5359 data = file->private_data;
5360 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5361 kfree (file->private_data);
5362 return -ENOMEM;
5363 }
5364 data->writelen = 0;
5365 data->maxwritelen = 33*3;
5366 /* allocate maxwritelen + 1; we'll want a sentinel */
5367 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5368 kfree (data->rbuffer);
5369 kfree (file->private_data);
5370 return -ENOMEM;
5371 }
5372 data->on_close = proc_SSID_on_close;
5373
5374 readSsidRid(ai, &SSID_rid);
5375 ptr = data->rbuffer;
5376 for (i = 0; i < 3; i++) {
5377 int j;
5378 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5379 if (!len)
5380 break;
5381 if (len > 32)
5382 len = 32;
5383 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5384 *ptr++ = SSID_rid.ssids[i].ssid[j];
5385 *ptr++ = '\n';
5386 }
5387 *ptr = '\0';
5388 data->readlen = strlen( data->rbuffer );
5389 return 0;
5390 }
5391
5392 static int proc_APList_open( struct inode *inode, struct file *file ) {
5393 struct proc_data *data;
5394 struct net_device *dev = PDE_DATA(inode);
5395 struct airo_info *ai = dev->ml_priv;
5396 int i;
5397 char *ptr;
5398 APListRid *APList_rid = &ai->APList;
5399
5400 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5401 return -ENOMEM;
5402 data = file->private_data;
5403 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5404 kfree (file->private_data);
5405 return -ENOMEM;
5406 }
5407 data->writelen = 0;
5408 data->maxwritelen = 4*6*3;
5409 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5410 kfree (data->rbuffer);
5411 kfree (file->private_data);
5412 return -ENOMEM;
5413 }
5414 data->on_close = proc_APList_on_close;
5415
5416 ptr = data->rbuffer;
5417 for( i = 0; i < 4; i++ ) {
5418 // We end when we find a zero MAC
5419 if ( !*(int*)APList_rid->ap[i] &&
5420 !*(int*)&APList_rid->ap[i][2]) break;
5421 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]);
5422 }
5423 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5424
5425 *ptr = '\0';
5426 data->readlen = strlen( data->rbuffer );
5427 return 0;
5428 }
5429
5430 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5431 struct proc_data *data;
5432 struct net_device *dev = PDE_DATA(inode);
5433 struct airo_info *ai = dev->ml_priv;
5434 char *ptr;
5435 BSSListRid BSSList_rid;
5436 int rc;
5437 /* If doLoseSync is not 1, we won't do a Lose Sync */
5438 int doLoseSync = -1;
5439
5440 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5441 return -ENOMEM;
5442 data = file->private_data;
5443 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5444 kfree (file->private_data);
5445 return -ENOMEM;
5446 }
5447 data->writelen = 0;
5448 data->maxwritelen = 0;
5449 data->wbuffer = NULL;
5450 data->on_close = NULL;
5451
5452 if (file->f_mode & FMODE_WRITE) {
5453 if (!(file->f_mode & FMODE_READ)) {
5454 Cmd cmd;
5455 Resp rsp;
5456
5457 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5458 memset(&cmd, 0, sizeof(cmd));
5459 cmd.cmd=CMD_LISTBSS;
5460 if (down_interruptible(&ai->sem))
5461 return -ERESTARTSYS;
5462 issuecommand(ai, &cmd, &rsp);
5463 up(&ai->sem);
5464 data->readlen = 0;
5465 return 0;
5466 }
5467 doLoseSync = 1;
5468 }
5469 ptr = data->rbuffer;
5470 /* There is a race condition here if there are concurrent opens.
5471 Since it is a rare condition, we'll just live with it, otherwise
5472 we have to add a spin lock... */
5473 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5474 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5475 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5476 BSSList_rid.bssid,
5477 (int)BSSList_rid.ssidLen,
5478 BSSList_rid.ssid,
5479 le16_to_cpu(BSSList_rid.dBm));
5480 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5481 le16_to_cpu(BSSList_rid.dsChannel),
5482 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5483 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5484 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5485 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5486 rc = readBSSListRid(ai, 0, &BSSList_rid);
5487 }
5488 *ptr = '\0';
5489 data->readlen = strlen( data->rbuffer );
5490 return 0;
5491 }
5492
5493 static int proc_close( struct inode *inode, struct file *file )
5494 {
5495 struct proc_data *data = file->private_data;
5496
5497 if (data->on_close != NULL)
5498 data->on_close(inode, file);
5499 kfree(data->rbuffer);
5500 kfree(data->wbuffer);
5501 kfree(data);
5502 return 0;
5503 }
5504
5505 /* Since the card doesn't automatically switch to the right WEP mode,
5506 we will make it do it. If the card isn't associated, every secs we
5507 will switch WEP modes to see if that will help. If the card is
5508 associated we will check every minute to see if anything has
5509 changed. */
5510 static void timer_func( struct net_device *dev ) {
5511 struct airo_info *apriv = dev->ml_priv;
5512
5513 /* We don't have a link so try changing the authtype */
5514 readConfigRid(apriv, 0);
5515 disable_MAC(apriv, 0);
5516 switch(apriv->config.authType) {
5517 case AUTH_ENCRYPT:
5518 /* So drop to OPEN */
5519 apriv->config.authType = AUTH_OPEN;
5520 break;
5521 case AUTH_SHAREDKEY:
5522 if (apriv->keyindex < auto_wep) {
5523 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5524 apriv->config.authType = AUTH_SHAREDKEY;
5525 apriv->keyindex++;
5526 } else {
5527 /* Drop to ENCRYPT */
5528 apriv->keyindex = 0;
5529 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5530 apriv->config.authType = AUTH_ENCRYPT;
5531 }
5532 break;
5533 default: /* We'll escalate to SHAREDKEY */
5534 apriv->config.authType = AUTH_SHAREDKEY;
5535 }
5536 set_bit (FLAG_COMMIT, &apriv->flags);
5537 writeConfigRid(apriv, 0);
5538 enable_MAC(apriv, 0);
5539 up(&apriv->sem);
5540
5541 /* Schedule check to see if the change worked */
5542 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5543 apriv->expires = RUN_AT(HZ*3);
5544 }
5545
5546 #ifdef CONFIG_PCI
5547 static int airo_pci_probe(struct pci_dev *pdev,
5548 const struct pci_device_id *pent)
5549 {
5550 struct net_device *dev;
5551
5552 if (pci_enable_device(pdev))
5553 return -ENODEV;
5554 pci_set_master(pdev);
5555
5556 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5557 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5558 else
5559 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5560 if (!dev) {
5561 pci_disable_device(pdev);
5562 return -ENODEV;
5563 }
5564
5565 pci_set_drvdata(pdev, dev);
5566 return 0;
5567 }
5568
5569 static void airo_pci_remove(struct pci_dev *pdev)
5570 {
5571 struct net_device *dev = pci_get_drvdata(pdev);
5572
5573 airo_print_info(dev->name, "Unregistering...");
5574 stop_airo_card(dev, 1);
5575 pci_disable_device(pdev);
5576 }
5577
5578 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5579 {
5580 struct net_device *dev = pci_get_drvdata(pdev);
5581 struct airo_info *ai = dev->ml_priv;
5582 Cmd cmd;
5583 Resp rsp;
5584
5585 if (!ai->SSID)
5586 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5587 if (!ai->SSID)
5588 return -ENOMEM;
5589 readSsidRid(ai, ai->SSID);
5590 memset(&cmd, 0, sizeof(cmd));
5591 /* the lock will be released at the end of the resume callback */
5592 if (down_interruptible(&ai->sem))
5593 return -EAGAIN;
5594 disable_MAC(ai, 0);
5595 netif_device_detach(dev);
5596 ai->power = state;
5597 cmd.cmd = HOSTSLEEP;
5598 issuecommand(ai, &cmd, &rsp);
5599
5600 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5601 pci_save_state(pdev);
5602 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5603 return 0;
5604 }
5605
5606 static int airo_pci_resume(struct pci_dev *pdev)
5607 {
5608 struct net_device *dev = pci_get_drvdata(pdev);
5609 struct airo_info *ai = dev->ml_priv;
5610 pci_power_t prev_state = pdev->current_state;
5611
5612 pci_set_power_state(pdev, PCI_D0);
5613 pci_restore_state(pdev);
5614 pci_enable_wake(pdev, PCI_D0, 0);
5615
5616 if (prev_state != PCI_D1) {
5617 reset_card(dev, 0);
5618 mpi_init_descriptors(ai);
5619 setup_card(ai, dev->dev_addr, 0);
5620 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5621 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5622 } else {
5623 OUT4500(ai, EVACK, EV_AWAKEN);
5624 OUT4500(ai, EVACK, EV_AWAKEN);
5625 msleep(100);
5626 }
5627
5628 set_bit(FLAG_COMMIT, &ai->flags);
5629 disable_MAC(ai, 0);
5630 msleep(200);
5631 if (ai->SSID) {
5632 writeSsidRid(ai, ai->SSID, 0);
5633 kfree(ai->SSID);
5634 ai->SSID = NULL;
5635 }
5636 writeAPListRid(ai, &ai->APList, 0);
5637 writeConfigRid(ai, 0);
5638 enable_MAC(ai, 0);
5639 ai->power = PMSG_ON;
5640 netif_device_attach(dev);
5641 netif_wake_queue(dev);
5642 enable_interrupts(ai);
5643 up(&ai->sem);
5644 return 0;
5645 }
5646 #endif
5647
5648 static int __init airo_init_module( void )
5649 {
5650 int i;
5651
5652 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5653 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5654 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5655 return -EINVAL;
5656
5657 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5658
5659 if (airo_entry)
5660 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5661
5662 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5663 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5664 "io=0x%x", irq[i], io[i] );
5665 if (init_airo_card( irq[i], io[i], 0, NULL ))
5666 /* do nothing */ ;
5667 }
5668
5669 #ifdef CONFIG_PCI
5670 airo_print_info("", "Probing for PCI adapters");
5671 i = pci_register_driver(&airo_driver);
5672 airo_print_info("", "Finished probing for PCI adapters");
5673
5674 if (i) {
5675 remove_proc_entry("driver/aironet", NULL);
5676 return i;
5677 }
5678 #endif
5679
5680 /* Always exit with success, as we are a library module
5681 * as well as a driver module
5682 */
5683 return 0;
5684 }
5685
5686 static void __exit airo_cleanup_module( void )
5687 {
5688 struct airo_info *ai;
5689 while(!list_empty(&airo_devices)) {
5690 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5691 airo_print_info(ai->dev->name, "Unregistering...");
5692 stop_airo_card(ai->dev, 1);
5693 }
5694 #ifdef CONFIG_PCI
5695 pci_unregister_driver(&airo_driver);
5696 #endif
5697 remove_proc_entry("driver/aironet", NULL);
5698 }
5699
5700 /*
5701 * Initial Wireless Extension code for Aironet driver by :
5702 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5703 * Conversion to new driver API by :
5704 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5705 * Javier also did a good amount of work here, adding some new extensions
5706 * and fixing my code. Let's just say that without him this code just
5707 * would not work at all... - Jean II
5708 */
5709
5710 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5711 {
5712 if (!rssi_rid)
5713 return 0;
5714
5715 return (0x100 - rssi_rid[rssi].rssidBm);
5716 }
5717
5718 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5719 {
5720 int i;
5721
5722 if (!rssi_rid)
5723 return 0;
5724
5725 for (i = 0; i < 256; i++)
5726 if (rssi_rid[i].rssidBm == dbm)
5727 return rssi_rid[i].rssipct;
5728
5729 return 0;
5730 }
5731
5732
5733 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5734 {
5735 int quality = 0;
5736 u16 sq;
5737
5738 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5739 return 0;
5740
5741 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5742 return 0;
5743
5744 sq = le16_to_cpu(status_rid->signalQuality);
5745 if (memcmp(cap_rid->prodName, "350", 3))
5746 if (sq > 0x20)
5747 quality = 0;
5748 else
5749 quality = 0x20 - sq;
5750 else
5751 if (sq > 0xb0)
5752 quality = 0;
5753 else if (sq < 0x10)
5754 quality = 0xa0;
5755 else
5756 quality = 0xb0 - sq;
5757 return quality;
5758 }
5759
5760 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5761 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5762
5763 /*------------------------------------------------------------------*/
5764 /*
5765 * Wireless Handler : get protocol name
5766 */
5767 static int airo_get_name(struct net_device *dev,
5768 struct iw_request_info *info,
5769 char *cwrq,
5770 char *extra)
5771 {
5772 strcpy(cwrq, "IEEE 802.11-DS");
5773 return 0;
5774 }
5775
5776 /*------------------------------------------------------------------*/
5777 /*
5778 * Wireless Handler : set frequency
5779 */
5780 static int airo_set_freq(struct net_device *dev,
5781 struct iw_request_info *info,
5782 struct iw_freq *fwrq,
5783 char *extra)
5784 {
5785 struct airo_info *local = dev->ml_priv;
5786 int rc = -EINPROGRESS; /* Call commit handler */
5787
5788 /* If setting by frequency, convert to a channel */
5789 if(fwrq->e == 1) {
5790 int f = fwrq->m / 100000;
5791
5792 /* Hack to fall through... */
5793 fwrq->e = 0;
5794 fwrq->m = ieee80211_frequency_to_channel(f);
5795 }
5796 /* Setting by channel number */
5797 if((fwrq->m > 1000) || (fwrq->e > 0))
5798 rc = -EOPNOTSUPP;
5799 else {
5800 int channel = fwrq->m;
5801 /* We should do a better check than that,
5802 * based on the card capability !!! */
5803 if((channel < 1) || (channel > 14)) {
5804 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5805 fwrq->m);
5806 rc = -EINVAL;
5807 } else {
5808 readConfigRid(local, 1);
5809 /* Yes ! We can set it !!! */
5810 local->config.channelSet = cpu_to_le16(channel);
5811 set_bit (FLAG_COMMIT, &local->flags);
5812 }
5813 }
5814 return rc;
5815 }
5816
5817 /*------------------------------------------------------------------*/
5818 /*
5819 * Wireless Handler : get frequency
5820 */
5821 static int airo_get_freq(struct net_device *dev,
5822 struct iw_request_info *info,
5823 struct iw_freq *fwrq,
5824 char *extra)
5825 {
5826 struct airo_info *local = dev->ml_priv;
5827 StatusRid status_rid; /* Card status info */
5828 int ch;
5829
5830 readConfigRid(local, 1);
5831 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5832 status_rid.channel = local->config.channelSet;
5833 else
5834 readStatusRid(local, &status_rid, 1);
5835
5836 ch = le16_to_cpu(status_rid.channel);
5837 if((ch > 0) && (ch < 15)) {
5838 fwrq->m = 100000 *
5839 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ);
5840 fwrq->e = 1;
5841 } else {
5842 fwrq->m = ch;
5843 fwrq->e = 0;
5844 }
5845
5846 return 0;
5847 }
5848
5849 /*------------------------------------------------------------------*/
5850 /*
5851 * Wireless Handler : set ESSID
5852 */
5853 static int airo_set_essid(struct net_device *dev,
5854 struct iw_request_info *info,
5855 struct iw_point *dwrq,
5856 char *extra)
5857 {
5858 struct airo_info *local = dev->ml_priv;
5859 SsidRid SSID_rid; /* SSIDs */
5860
5861 /* Reload the list of current SSID */
5862 readSsidRid(local, &SSID_rid);
5863
5864 /* Check if we asked for `any' */
5865 if (dwrq->flags == 0) {
5866 /* Just send an empty SSID list */
5867 memset(&SSID_rid, 0, sizeof(SSID_rid));
5868 } else {
5869 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5870
5871 /* Check the size of the string */
5872 if (dwrq->length > IW_ESSID_MAX_SIZE)
5873 return -E2BIG ;
5874
5875 /* Check if index is valid */
5876 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5877 return -EINVAL;
5878
5879 /* Set the SSID */
5880 memset(SSID_rid.ssids[index].ssid, 0,
5881 sizeof(SSID_rid.ssids[index].ssid));
5882 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5883 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5884 }
5885 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5886 /* Write it to the card */
5887 disable_MAC(local, 1);
5888 writeSsidRid(local, &SSID_rid, 1);
5889 enable_MAC(local, 1);
5890
5891 return 0;
5892 }
5893
5894 /*------------------------------------------------------------------*/
5895 /*
5896 * Wireless Handler : get ESSID
5897 */
5898 static int airo_get_essid(struct net_device *dev,
5899 struct iw_request_info *info,
5900 struct iw_point *dwrq,
5901 char *extra)
5902 {
5903 struct airo_info *local = dev->ml_priv;
5904 StatusRid status_rid; /* Card status info */
5905
5906 readStatusRid(local, &status_rid, 1);
5907
5908 /* Note : if dwrq->flags != 0, we should
5909 * get the relevant SSID from the SSID list... */
5910
5911 /* Get the current SSID */
5912 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5913 /* If none, we may want to get the one that was set */
5914
5915 /* Push it out ! */
5916 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5917 dwrq->flags = 1; /* active */
5918
5919 return 0;
5920 }
5921
5922 /*------------------------------------------------------------------*/
5923 /*
5924 * Wireless Handler : set AP address
5925 */
5926 static int airo_set_wap(struct net_device *dev,
5927 struct iw_request_info *info,
5928 struct sockaddr *awrq,
5929 char *extra)
5930 {
5931 struct airo_info *local = dev->ml_priv;
5932 Cmd cmd;
5933 Resp rsp;
5934 APListRid *APList_rid = &local->APList;
5935
5936 if (awrq->sa_family != ARPHRD_ETHER)
5937 return -EINVAL;
5938 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5939 is_zero_ether_addr(awrq->sa_data)) {
5940 memset(&cmd, 0, sizeof(cmd));
5941 cmd.cmd=CMD_LOSE_SYNC;
5942 if (down_interruptible(&local->sem))
5943 return -ERESTARTSYS;
5944 issuecommand(local, &cmd, &rsp);
5945 up(&local->sem);
5946 } else {
5947 memset(APList_rid, 0, sizeof(*APList_rid));
5948 APList_rid->len = cpu_to_le16(sizeof(*APList_rid));
5949 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN);
5950 disable_MAC(local, 1);
5951 writeAPListRid(local, APList_rid, 1);
5952 enable_MAC(local, 1);
5953 }
5954 return 0;
5955 }
5956
5957 /*------------------------------------------------------------------*/
5958 /*
5959 * Wireless Handler : get AP address
5960 */
5961 static int airo_get_wap(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct sockaddr *awrq,
5964 char *extra)
5965 {
5966 struct airo_info *local = dev->ml_priv;
5967 StatusRid status_rid; /* Card status info */
5968
5969 readStatusRid(local, &status_rid, 1);
5970
5971 /* Tentative. This seems to work, wow, I'm lucky !!! */
5972 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5973 awrq->sa_family = ARPHRD_ETHER;
5974
5975 return 0;
5976 }
5977
5978 /*------------------------------------------------------------------*/
5979 /*
5980 * Wireless Handler : set Nickname
5981 */
5982 static int airo_set_nick(struct net_device *dev,
5983 struct iw_request_info *info,
5984 struct iw_point *dwrq,
5985 char *extra)
5986 {
5987 struct airo_info *local = dev->ml_priv;
5988
5989 /* Check the size of the string */
5990 if(dwrq->length > 16) {
5991 return -E2BIG;
5992 }
5993 readConfigRid(local, 1);
5994 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5995 memcpy(local->config.nodeName, extra, dwrq->length);
5996 set_bit (FLAG_COMMIT, &local->flags);
5997
5998 return -EINPROGRESS; /* Call commit handler */
5999 }
6000
6001 /*------------------------------------------------------------------*/
6002 /*
6003 * Wireless Handler : get Nickname
6004 */
6005 static int airo_get_nick(struct net_device *dev,
6006 struct iw_request_info *info,
6007 struct iw_point *dwrq,
6008 char *extra)
6009 {
6010 struct airo_info *local = dev->ml_priv;
6011
6012 readConfigRid(local, 1);
6013 strncpy(extra, local->config.nodeName, 16);
6014 extra[16] = '\0';
6015 dwrq->length = strlen(extra);
6016
6017 return 0;
6018 }
6019
6020 /*------------------------------------------------------------------*/
6021 /*
6022 * Wireless Handler : set Bit-Rate
6023 */
6024 static int airo_set_rate(struct net_device *dev,
6025 struct iw_request_info *info,
6026 struct iw_param *vwrq,
6027 char *extra)
6028 {
6029 struct airo_info *local = dev->ml_priv;
6030 CapabilityRid cap_rid; /* Card capability info */
6031 u8 brate = 0;
6032 int i;
6033
6034 /* First : get a valid bit rate value */
6035 readCapabilityRid(local, &cap_rid, 1);
6036
6037 /* Which type of value ? */
6038 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6039 /* Setting by rate index */
6040 /* Find value in the magic rate table */
6041 brate = cap_rid.supportedRates[vwrq->value];
6042 } else {
6043 /* Setting by frequency value */
6044 u8 normvalue = (u8) (vwrq->value/500000);
6045
6046 /* Check if rate is valid */
6047 for(i = 0 ; i < 8 ; i++) {
6048 if(normvalue == cap_rid.supportedRates[i]) {
6049 brate = normvalue;
6050 break;
6051 }
6052 }
6053 }
6054 /* -1 designed the max rate (mostly auto mode) */
6055 if(vwrq->value == -1) {
6056 /* Get the highest available rate */
6057 for(i = 0 ; i < 8 ; i++) {
6058 if(cap_rid.supportedRates[i] == 0)
6059 break;
6060 }
6061 if(i != 0)
6062 brate = cap_rid.supportedRates[i - 1];
6063 }
6064 /* Check that it is valid */
6065 if(brate == 0) {
6066 return -EINVAL;
6067 }
6068
6069 readConfigRid(local, 1);
6070 /* Now, check if we want a fixed or auto value */
6071 if(vwrq->fixed == 0) {
6072 /* Fill all the rates up to this max rate */
6073 memset(local->config.rates, 0, 8);
6074 for(i = 0 ; i < 8 ; i++) {
6075 local->config.rates[i] = cap_rid.supportedRates[i];
6076 if(local->config.rates[i] == brate)
6077 break;
6078 }
6079 } else {
6080 /* Fixed mode */
6081 /* One rate, fixed */
6082 memset(local->config.rates, 0, 8);
6083 local->config.rates[0] = brate;
6084 }
6085 set_bit (FLAG_COMMIT, &local->flags);
6086
6087 return -EINPROGRESS; /* Call commit handler */
6088 }
6089
6090 /*------------------------------------------------------------------*/
6091 /*
6092 * Wireless Handler : get Bit-Rate
6093 */
6094 static int airo_get_rate(struct net_device *dev,
6095 struct iw_request_info *info,
6096 struct iw_param *vwrq,
6097 char *extra)
6098 {
6099 struct airo_info *local = dev->ml_priv;
6100 StatusRid status_rid; /* Card status info */
6101
6102 readStatusRid(local, &status_rid, 1);
6103
6104 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6105 /* If more than one rate, set auto */
6106 readConfigRid(local, 1);
6107 vwrq->fixed = (local->config.rates[1] == 0);
6108
6109 return 0;
6110 }
6111
6112 /*------------------------------------------------------------------*/
6113 /*
6114 * Wireless Handler : set RTS threshold
6115 */
6116 static int airo_set_rts(struct net_device *dev,
6117 struct iw_request_info *info,
6118 struct iw_param *vwrq,
6119 char *extra)
6120 {
6121 struct airo_info *local = dev->ml_priv;
6122 int rthr = vwrq->value;
6123
6124 if(vwrq->disabled)
6125 rthr = AIRO_DEF_MTU;
6126 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6127 return -EINVAL;
6128 }
6129 readConfigRid(local, 1);
6130 local->config.rtsThres = cpu_to_le16(rthr);
6131 set_bit (FLAG_COMMIT, &local->flags);
6132
6133 return -EINPROGRESS; /* Call commit handler */
6134 }
6135
6136 /*------------------------------------------------------------------*/
6137 /*
6138 * Wireless Handler : get RTS threshold
6139 */
6140 static int airo_get_rts(struct net_device *dev,
6141 struct iw_request_info *info,
6142 struct iw_param *vwrq,
6143 char *extra)
6144 {
6145 struct airo_info *local = dev->ml_priv;
6146
6147 readConfigRid(local, 1);
6148 vwrq->value = le16_to_cpu(local->config.rtsThres);
6149 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6150 vwrq->fixed = 1;
6151
6152 return 0;
6153 }
6154
6155 /*------------------------------------------------------------------*/
6156 /*
6157 * Wireless Handler : set Fragmentation threshold
6158 */
6159 static int airo_set_frag(struct net_device *dev,
6160 struct iw_request_info *info,
6161 struct iw_param *vwrq,
6162 char *extra)
6163 {
6164 struct airo_info *local = dev->ml_priv;
6165 int fthr = vwrq->value;
6166
6167 if(vwrq->disabled)
6168 fthr = AIRO_DEF_MTU;
6169 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6170 return -EINVAL;
6171 }
6172 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6173 readConfigRid(local, 1);
6174 local->config.fragThresh = cpu_to_le16(fthr);
6175 set_bit (FLAG_COMMIT, &local->flags);
6176
6177 return -EINPROGRESS; /* Call commit handler */
6178 }
6179
6180 /*------------------------------------------------------------------*/
6181 /*
6182 * Wireless Handler : get Fragmentation threshold
6183 */
6184 static int airo_get_frag(struct net_device *dev,
6185 struct iw_request_info *info,
6186 struct iw_param *vwrq,
6187 char *extra)
6188 {
6189 struct airo_info *local = dev->ml_priv;
6190
6191 readConfigRid(local, 1);
6192 vwrq->value = le16_to_cpu(local->config.fragThresh);
6193 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6194 vwrq->fixed = 1;
6195
6196 return 0;
6197 }
6198
6199 /*------------------------------------------------------------------*/
6200 /*
6201 * Wireless Handler : set Mode of Operation
6202 */
6203 static int airo_set_mode(struct net_device *dev,
6204 struct iw_request_info *info,
6205 __u32 *uwrq,
6206 char *extra)
6207 {
6208 struct airo_info *local = dev->ml_priv;
6209 int reset = 0;
6210
6211 readConfigRid(local, 1);
6212 if (sniffing_mode(local))
6213 reset = 1;
6214
6215 switch(*uwrq) {
6216 case IW_MODE_ADHOC:
6217 local->config.opmode &= ~MODE_CFG_MASK;
6218 local->config.opmode |= MODE_STA_IBSS;
6219 local->config.rmode &= ~RXMODE_FULL_MASK;
6220 local->config.scanMode = SCANMODE_ACTIVE;
6221 clear_bit (FLAG_802_11, &local->flags);
6222 break;
6223 case IW_MODE_INFRA:
6224 local->config.opmode &= ~MODE_CFG_MASK;
6225 local->config.opmode |= MODE_STA_ESS;
6226 local->config.rmode &= ~RXMODE_FULL_MASK;
6227 local->config.scanMode = SCANMODE_ACTIVE;
6228 clear_bit (FLAG_802_11, &local->flags);
6229 break;
6230 case IW_MODE_MASTER:
6231 local->config.opmode &= ~MODE_CFG_MASK;
6232 local->config.opmode |= MODE_AP;
6233 local->config.rmode &= ~RXMODE_FULL_MASK;
6234 local->config.scanMode = SCANMODE_ACTIVE;
6235 clear_bit (FLAG_802_11, &local->flags);
6236 break;
6237 case IW_MODE_REPEAT:
6238 local->config.opmode &= ~MODE_CFG_MASK;
6239 local->config.opmode |= MODE_AP_RPTR;
6240 local->config.rmode &= ~RXMODE_FULL_MASK;
6241 local->config.scanMode = SCANMODE_ACTIVE;
6242 clear_bit (FLAG_802_11, &local->flags);
6243 break;
6244 case IW_MODE_MONITOR:
6245 local->config.opmode &= ~MODE_CFG_MASK;
6246 local->config.opmode |= MODE_STA_ESS;
6247 local->config.rmode &= ~RXMODE_FULL_MASK;
6248 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6249 local->config.scanMode = SCANMODE_PASSIVE;
6250 set_bit (FLAG_802_11, &local->flags);
6251 break;
6252 default:
6253 return -EINVAL;
6254 }
6255 if (reset)
6256 set_bit (FLAG_RESET, &local->flags);
6257 set_bit (FLAG_COMMIT, &local->flags);
6258
6259 return -EINPROGRESS; /* Call commit handler */
6260 }
6261
6262 /*------------------------------------------------------------------*/
6263 /*
6264 * Wireless Handler : get Mode of Operation
6265 */
6266 static int airo_get_mode(struct net_device *dev,
6267 struct iw_request_info *info,
6268 __u32 *uwrq,
6269 char *extra)
6270 {
6271 struct airo_info *local = dev->ml_priv;
6272
6273 readConfigRid(local, 1);
6274 /* If not managed, assume it's ad-hoc */
6275 switch (local->config.opmode & MODE_CFG_MASK) {
6276 case MODE_STA_ESS:
6277 *uwrq = IW_MODE_INFRA;
6278 break;
6279 case MODE_AP:
6280 *uwrq = IW_MODE_MASTER;
6281 break;
6282 case MODE_AP_RPTR:
6283 *uwrq = IW_MODE_REPEAT;
6284 break;
6285 default:
6286 *uwrq = IW_MODE_ADHOC;
6287 }
6288
6289 return 0;
6290 }
6291
6292 static inline int valid_index(struct airo_info *ai, int index)
6293 {
6294 return (index >= 0) && (index <= ai->max_wep_idx);
6295 }
6296
6297 /*------------------------------------------------------------------*/
6298 /*
6299 * Wireless Handler : set Encryption Key
6300 */
6301 static int airo_set_encode(struct net_device *dev,
6302 struct iw_request_info *info,
6303 struct iw_point *dwrq,
6304 char *extra)
6305 {
6306 struct airo_info *local = dev->ml_priv;
6307 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6308 __le16 currentAuthType = local->config.authType;
6309 int rc = 0;
6310
6311 if (!local->wep_capable)
6312 return -EOPNOTSUPP;
6313
6314 readConfigRid(local, 1);
6315
6316 /* Basic checking: do we have a key to set ?
6317 * Note : with the new API, it's impossible to get a NULL pointer.
6318 * Therefore, we need to check a key size == 0 instead.
6319 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6320 * when no key is present (only change flags), but older versions
6321 * don't do it. - Jean II */
6322 if (dwrq->length > 0) {
6323 wep_key_t key;
6324 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6325 int current_index;
6326
6327 /* Check the size of the key */
6328 if (dwrq->length > MAX_KEY_SIZE) {
6329 return -EINVAL;
6330 }
6331
6332 current_index = get_wep_tx_idx(local);
6333 if (current_index < 0)
6334 current_index = 0;
6335
6336 /* Check the index (none -> use current) */
6337 if (!valid_index(local, index))
6338 index = current_index;
6339
6340 /* Set the length */
6341 if (dwrq->length > MIN_KEY_SIZE)
6342 key.len = MAX_KEY_SIZE;
6343 else
6344 key.len = MIN_KEY_SIZE;
6345 /* Check if the key is not marked as invalid */
6346 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6347 /* Cleanup */
6348 memset(key.key, 0, MAX_KEY_SIZE);
6349 /* Copy the key in the driver */
6350 memcpy(key.key, extra, dwrq->length);
6351 /* Send the key to the card */
6352 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6353 if (rc < 0) {
6354 airo_print_err(local->dev->name, "failed to set"
6355 " WEP key at index %d: %d.",
6356 index, rc);
6357 return rc;
6358 }
6359 }
6360 /* WE specify that if a valid key is set, encryption
6361 * should be enabled (user may turn it off later)
6362 * This is also how "iwconfig ethX key on" works */
6363 if((index == current_index) && (key.len > 0) &&
6364 (local->config.authType == AUTH_OPEN))
6365 set_auth_type(local, AUTH_ENCRYPT);
6366 } else {
6367 /* Do we want to just set the transmit key index ? */
6368 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6369 if (valid_index(local, index)) {
6370 rc = set_wep_tx_idx(local, index, perm, 1);
6371 if (rc < 0) {
6372 airo_print_err(local->dev->name, "failed to set"
6373 " WEP transmit index to %d: %d.",
6374 index, rc);
6375 return rc;
6376 }
6377 } else {
6378 /* Don't complain if only change the mode */
6379 if (!(dwrq->flags & IW_ENCODE_MODE))
6380 return -EINVAL;
6381 }
6382 }
6383 /* Read the flags */
6384 if (dwrq->flags & IW_ENCODE_DISABLED)
6385 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6386 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6387 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6388 if (dwrq->flags & IW_ENCODE_OPEN)
6389 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */
6390 /* Commit the changes to flags if needed */
6391 if (local->config.authType != currentAuthType)
6392 set_bit (FLAG_COMMIT, &local->flags);
6393 return -EINPROGRESS; /* Call commit handler */
6394 }
6395
6396 /*------------------------------------------------------------------*/
6397 /*
6398 * Wireless Handler : get Encryption Key
6399 */
6400 static int airo_get_encode(struct net_device *dev,
6401 struct iw_request_info *info,
6402 struct iw_point *dwrq,
6403 char *extra)
6404 {
6405 struct airo_info *local = dev->ml_priv;
6406 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6407 int wep_key_len;
6408 u8 buf[16];
6409
6410 if (!local->wep_capable)
6411 return -EOPNOTSUPP;
6412
6413 readConfigRid(local, 1);
6414
6415 /* Check encryption mode */
6416 switch(local->config.authType) {
6417 case AUTH_ENCRYPT:
6418 dwrq->flags = IW_ENCODE_OPEN;
6419 break;
6420 case AUTH_SHAREDKEY:
6421 dwrq->flags = IW_ENCODE_RESTRICTED;
6422 break;
6423 default:
6424 case AUTH_OPEN:
6425 dwrq->flags = IW_ENCODE_DISABLED;
6426 break;
6427 }
6428 /* We can't return the key, so set the proper flag and return zero */
6429 dwrq->flags |= IW_ENCODE_NOKEY;
6430 memset(extra, 0, 16);
6431
6432 /* Which key do we want ? -1 -> tx index */
6433 if (!valid_index(local, index)) {
6434 index = get_wep_tx_idx(local);
6435 if (index < 0)
6436 index = 0;
6437 }
6438 dwrq->flags |= index + 1;
6439
6440 /* Copy the key to the user buffer */
6441 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6442 if (wep_key_len < 0) {
6443 dwrq->length = 0;
6444 } else {
6445 dwrq->length = wep_key_len;
6446 memcpy(extra, buf, dwrq->length);
6447 }
6448
6449 return 0;
6450 }
6451
6452 /*------------------------------------------------------------------*/
6453 /*
6454 * Wireless Handler : set extended Encryption parameters
6455 */
6456 static int airo_set_encodeext(struct net_device *dev,
6457 struct iw_request_info *info,
6458 union iwreq_data *wrqu,
6459 char *extra)
6460 {
6461 struct airo_info *local = dev->ml_priv;
6462 struct iw_point *encoding = &wrqu->encoding;
6463 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6464 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6465 __le16 currentAuthType = local->config.authType;
6466 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6467 wep_key_t key;
6468
6469 if (!local->wep_capable)
6470 return -EOPNOTSUPP;
6471
6472 readConfigRid(local, 1);
6473
6474 /* Determine and validate the key index */
6475 idx = encoding->flags & IW_ENCODE_INDEX;
6476 if (idx) {
6477 if (!valid_index(local, idx - 1))
6478 return -EINVAL;
6479 idx--;
6480 } else {
6481 idx = get_wep_tx_idx(local);
6482 if (idx < 0)
6483 idx = 0;
6484 }
6485
6486 if (encoding->flags & IW_ENCODE_DISABLED)
6487 alg = IW_ENCODE_ALG_NONE;
6488
6489 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6490 /* Only set transmit key index here, actual
6491 * key is set below if needed.
6492 */
6493 rc = set_wep_tx_idx(local, idx, perm, 1);
6494 if (rc < 0) {
6495 airo_print_err(local->dev->name, "failed to set "
6496 "WEP transmit index to %d: %d.",
6497 idx, rc);
6498 return rc;
6499 }
6500 set_key = ext->key_len > 0 ? 1 : 0;
6501 }
6502
6503 if (set_key) {
6504 /* Set the requested key first */
6505 memset(key.key, 0, MAX_KEY_SIZE);
6506 switch (alg) {
6507 case IW_ENCODE_ALG_NONE:
6508 key.len = 0;
6509 break;
6510 case IW_ENCODE_ALG_WEP:
6511 if (ext->key_len > MIN_KEY_SIZE) {
6512 key.len = MAX_KEY_SIZE;
6513 } else if (ext->key_len > 0) {
6514 key.len = MIN_KEY_SIZE;
6515 } else {
6516 return -EINVAL;
6517 }
6518 key_len = min (ext->key_len, key.len);
6519 memcpy(key.key, ext->key, key_len);
6520 break;
6521 default:
6522 return -EINVAL;
6523 }
6524 if (key.len == 0) {
6525 rc = set_wep_tx_idx(local, idx, perm, 1);
6526 if (rc < 0) {
6527 airo_print_err(local->dev->name,
6528 "failed to set WEP transmit index to %d: %d.",
6529 idx, rc);
6530 return rc;
6531 }
6532 } else {
6533 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6534 if (rc < 0) {
6535 airo_print_err(local->dev->name,
6536 "failed to set WEP key at index %d: %d.",
6537 idx, rc);
6538 return rc;
6539 }
6540 }
6541 }
6542
6543 /* Read the flags */
6544 if (encoding->flags & IW_ENCODE_DISABLED)
6545 set_auth_type(local, AUTH_OPEN); /* disable encryption */
6546 if(encoding->flags & IW_ENCODE_RESTRICTED)
6547 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */
6548 if (encoding->flags & IW_ENCODE_OPEN)
6549 set_auth_type(local, AUTH_ENCRYPT);
6550 /* Commit the changes to flags if needed */
6551 if (local->config.authType != currentAuthType)
6552 set_bit (FLAG_COMMIT, &local->flags);
6553
6554 return -EINPROGRESS;
6555 }
6556
6557
6558 /*------------------------------------------------------------------*/
6559 /*
6560 * Wireless Handler : get extended Encryption parameters
6561 */
6562 static int airo_get_encodeext(struct net_device *dev,
6563 struct iw_request_info *info,
6564 union iwreq_data *wrqu,
6565 char *extra)
6566 {
6567 struct airo_info *local = dev->ml_priv;
6568 struct iw_point *encoding = &wrqu->encoding;
6569 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6570 int idx, max_key_len, wep_key_len;
6571 u8 buf[16];
6572
6573 if (!local->wep_capable)
6574 return -EOPNOTSUPP;
6575
6576 readConfigRid(local, 1);
6577
6578 max_key_len = encoding->length - sizeof(*ext);
6579 if (max_key_len < 0)
6580 return -EINVAL;
6581
6582 idx = encoding->flags & IW_ENCODE_INDEX;
6583 if (idx) {
6584 if (!valid_index(local, idx - 1))
6585 return -EINVAL;
6586 idx--;
6587 } else {
6588 idx = get_wep_tx_idx(local);
6589 if (idx < 0)
6590 idx = 0;
6591 }
6592
6593 encoding->flags = idx + 1;
6594 memset(ext, 0, sizeof(*ext));
6595
6596 /* Check encryption mode */
6597 switch(local->config.authType) {
6598 case AUTH_ENCRYPT:
6599 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6600 break;
6601 case AUTH_SHAREDKEY:
6602 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6603 break;
6604 default:
6605 case AUTH_OPEN:
6606 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6607 break;
6608 }
6609 /* We can't return the key, so set the proper flag and return zero */
6610 encoding->flags |= IW_ENCODE_NOKEY;
6611 memset(extra, 0, 16);
6612
6613 /* Copy the key to the user buffer */
6614 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6615 if (wep_key_len < 0) {
6616 ext->key_len = 0;
6617 } else {
6618 ext->key_len = wep_key_len;
6619 memcpy(extra, buf, ext->key_len);
6620 }
6621
6622 return 0;
6623 }
6624
6625
6626 /*------------------------------------------------------------------*/
6627 /*
6628 * Wireless Handler : set extended authentication parameters
6629 */
6630 static int airo_set_auth(struct net_device *dev,
6631 struct iw_request_info *info,
6632 union iwreq_data *wrqu, char *extra)
6633 {
6634 struct airo_info *local = dev->ml_priv;
6635 struct iw_param *param = &wrqu->param;
6636 __le16 currentAuthType = local->config.authType;
6637
6638 switch (param->flags & IW_AUTH_INDEX) {
6639 case IW_AUTH_WPA_VERSION:
6640 case IW_AUTH_CIPHER_PAIRWISE:
6641 case IW_AUTH_CIPHER_GROUP:
6642 case IW_AUTH_KEY_MGMT:
6643 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6644 case IW_AUTH_PRIVACY_INVOKED:
6645 /*
6646 * airo does not use these parameters
6647 */
6648 break;
6649
6650 case IW_AUTH_DROP_UNENCRYPTED:
6651 if (param->value) {
6652 /* Only change auth type if unencrypted */
6653 if (currentAuthType == AUTH_OPEN)
6654 set_auth_type(local, AUTH_ENCRYPT);
6655 } else {
6656 set_auth_type(local, AUTH_OPEN);
6657 }
6658
6659 /* Commit the changes to flags if needed */
6660 if (local->config.authType != currentAuthType)
6661 set_bit (FLAG_COMMIT, &local->flags);
6662 break;
6663
6664 case IW_AUTH_80211_AUTH_ALG: {
6665 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6666 set_auth_type(local, AUTH_SHAREDKEY);
6667 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6668 /* We don't know here if WEP open system or
6669 * unencrypted mode was requested - so use the
6670 * last mode (of these two) used last time
6671 */
6672 set_auth_type(local, local->last_auth);
6673 } else
6674 return -EINVAL;
6675
6676 /* Commit the changes to flags if needed */
6677 if (local->config.authType != currentAuthType)
6678 set_bit (FLAG_COMMIT, &local->flags);
6679 break;
6680 }
6681
6682 case IW_AUTH_WPA_ENABLED:
6683 /* Silently accept disable of WPA */
6684 if (param->value > 0)
6685 return -EOPNOTSUPP;
6686 break;
6687
6688 default:
6689 return -EOPNOTSUPP;
6690 }
6691 return -EINPROGRESS;
6692 }
6693
6694
6695 /*------------------------------------------------------------------*/
6696 /*
6697 * Wireless Handler : get extended authentication parameters
6698 */
6699 static int airo_get_auth(struct net_device *dev,
6700 struct iw_request_info *info,
6701 union iwreq_data *wrqu, char *extra)
6702 {
6703 struct airo_info *local = dev->ml_priv;
6704 struct iw_param *param = &wrqu->param;
6705 __le16 currentAuthType = local->config.authType;
6706
6707 switch (param->flags & IW_AUTH_INDEX) {
6708 case IW_AUTH_DROP_UNENCRYPTED:
6709 switch (currentAuthType) {
6710 case AUTH_SHAREDKEY:
6711 case AUTH_ENCRYPT:
6712 param->value = 1;
6713 break;
6714 default:
6715 param->value = 0;
6716 break;
6717 }
6718 break;
6719
6720 case IW_AUTH_80211_AUTH_ALG:
6721 switch (currentAuthType) {
6722 case AUTH_SHAREDKEY:
6723 param->value = IW_AUTH_ALG_SHARED_KEY;
6724 break;
6725 case AUTH_ENCRYPT:
6726 default:
6727 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6728 break;
6729 }
6730 break;
6731
6732 case IW_AUTH_WPA_ENABLED:
6733 param->value = 0;
6734 break;
6735
6736 default:
6737 return -EOPNOTSUPP;
6738 }
6739 return 0;
6740 }
6741
6742
6743 /*------------------------------------------------------------------*/
6744 /*
6745 * Wireless Handler : set Tx-Power
6746 */
6747 static int airo_set_txpow(struct net_device *dev,
6748 struct iw_request_info *info,
6749 struct iw_param *vwrq,
6750 char *extra)
6751 {
6752 struct airo_info *local = dev->ml_priv;
6753 CapabilityRid cap_rid; /* Card capability info */
6754 int i;
6755 int rc = -EINVAL;
6756 __le16 v = cpu_to_le16(vwrq->value);
6757
6758 readCapabilityRid(local, &cap_rid, 1);
6759
6760 if (vwrq->disabled) {
6761 set_bit (FLAG_RADIO_OFF, &local->flags);
6762 set_bit (FLAG_COMMIT, &local->flags);
6763 return -EINPROGRESS; /* Call commit handler */
6764 }
6765 if (vwrq->flags != IW_TXPOW_MWATT) {
6766 return -EINVAL;
6767 }
6768 clear_bit (FLAG_RADIO_OFF, &local->flags);
6769 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6770 if (v == cap_rid.txPowerLevels[i]) {
6771 readConfigRid(local, 1);
6772 local->config.txPower = v;
6773 set_bit (FLAG_COMMIT, &local->flags);
6774 rc = -EINPROGRESS; /* Call commit handler */
6775 break;
6776 }
6777 return rc;
6778 }
6779
6780 /*------------------------------------------------------------------*/
6781 /*
6782 * Wireless Handler : get Tx-Power
6783 */
6784 static int airo_get_txpow(struct net_device *dev,
6785 struct iw_request_info *info,
6786 struct iw_param *vwrq,
6787 char *extra)
6788 {
6789 struct airo_info *local = dev->ml_priv;
6790
6791 readConfigRid(local, 1);
6792 vwrq->value = le16_to_cpu(local->config.txPower);
6793 vwrq->fixed = 1; /* No power control */
6794 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6795 vwrq->flags = IW_TXPOW_MWATT;
6796
6797 return 0;
6798 }
6799
6800 /*------------------------------------------------------------------*/
6801 /*
6802 * Wireless Handler : set Retry limits
6803 */
6804 static int airo_set_retry(struct net_device *dev,
6805 struct iw_request_info *info,
6806 struct iw_param *vwrq,
6807 char *extra)
6808 {
6809 struct airo_info *local = dev->ml_priv;
6810 int rc = -EINVAL;
6811
6812 if(vwrq->disabled) {
6813 return -EINVAL;
6814 }
6815 readConfigRid(local, 1);
6816 if(vwrq->flags & IW_RETRY_LIMIT) {
6817 __le16 v = cpu_to_le16(vwrq->value);
6818 if(vwrq->flags & IW_RETRY_LONG)
6819 local->config.longRetryLimit = v;
6820 else if (vwrq->flags & IW_RETRY_SHORT)
6821 local->config.shortRetryLimit = v;
6822 else {
6823 /* No modifier : set both */
6824 local->config.longRetryLimit = v;
6825 local->config.shortRetryLimit = v;
6826 }
6827 set_bit (FLAG_COMMIT, &local->flags);
6828 rc = -EINPROGRESS; /* Call commit handler */
6829 }
6830 if(vwrq->flags & IW_RETRY_LIFETIME) {
6831 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6832 set_bit (FLAG_COMMIT, &local->flags);
6833 rc = -EINPROGRESS; /* Call commit handler */
6834 }
6835 return rc;
6836 }
6837
6838 /*------------------------------------------------------------------*/
6839 /*
6840 * Wireless Handler : get Retry limits
6841 */
6842 static int airo_get_retry(struct net_device *dev,
6843 struct iw_request_info *info,
6844 struct iw_param *vwrq,
6845 char *extra)
6846 {
6847 struct airo_info *local = dev->ml_priv;
6848
6849 vwrq->disabled = 0; /* Can't be disabled */
6850
6851 readConfigRid(local, 1);
6852 /* Note : by default, display the min retry number */
6853 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6854 vwrq->flags = IW_RETRY_LIFETIME;
6855 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6856 } else if((vwrq->flags & IW_RETRY_LONG)) {
6857 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6858 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6859 } else {
6860 vwrq->flags = IW_RETRY_LIMIT;
6861 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6862 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6863 vwrq->flags |= IW_RETRY_SHORT;
6864 }
6865
6866 return 0;
6867 }
6868
6869 /*------------------------------------------------------------------*/
6870 /*
6871 * Wireless Handler : get range info
6872 */
6873 static int airo_get_range(struct net_device *dev,
6874 struct iw_request_info *info,
6875 struct iw_point *dwrq,
6876 char *extra)
6877 {
6878 struct airo_info *local = dev->ml_priv;
6879 struct iw_range *range = (struct iw_range *) extra;
6880 CapabilityRid cap_rid; /* Card capability info */
6881 int i;
6882 int k;
6883
6884 readCapabilityRid(local, &cap_rid, 1);
6885
6886 dwrq->length = sizeof(struct iw_range);
6887 memset(range, 0, sizeof(*range));
6888 range->min_nwid = 0x0000;
6889 range->max_nwid = 0x0000;
6890 range->num_channels = 14;
6891 /* Should be based on cap_rid.country to give only
6892 * what the current card support */
6893 k = 0;
6894 for(i = 0; i < 14; i++) {
6895 range->freq[k].i = i + 1; /* List index */
6896 range->freq[k].m = 100000 *
6897 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ);
6898 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6899 }
6900 range->num_frequency = k;
6901
6902 range->sensitivity = 65535;
6903
6904 /* Hum... Should put the right values there */
6905 if (local->rssi)
6906 range->max_qual.qual = 100; /* % */
6907 else
6908 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6909 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6910 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6911
6912 /* Experimental measurements - boundary 11/5.5 Mb/s */
6913 /* Note : with or without the (local->rssi), results
6914 * are somewhat different. - Jean II */
6915 if (local->rssi) {
6916 range->avg_qual.qual = 50; /* % */
6917 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6918 } else {
6919 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6920 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6921 }
6922 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6923
6924 for(i = 0 ; i < 8 ; i++) {
6925 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6926 if(range->bitrate[i] == 0)
6927 break;
6928 }
6929 range->num_bitrates = i;
6930
6931 /* Set an indication of the max TCP throughput
6932 * in bit/s that we can expect using this interface.
6933 * May be use for QoS stuff... Jean II */
6934 if(i > 2)
6935 range->throughput = 5000 * 1000;
6936 else
6937 range->throughput = 1500 * 1000;
6938
6939 range->min_rts = 0;
6940 range->max_rts = AIRO_DEF_MTU;
6941 range->min_frag = 256;
6942 range->max_frag = AIRO_DEF_MTU;
6943
6944 if(cap_rid.softCap & cpu_to_le16(2)) {
6945 // WEP: RC4 40 bits
6946 range->encoding_size[0] = 5;
6947 // RC4 ~128 bits
6948 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6949 range->encoding_size[1] = 13;
6950 range->num_encoding_sizes = 2;
6951 } else
6952 range->num_encoding_sizes = 1;
6953 range->max_encoding_tokens =
6954 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6955 } else {
6956 range->num_encoding_sizes = 0;
6957 range->max_encoding_tokens = 0;
6958 }
6959 range->min_pmp = 0;
6960 range->max_pmp = 5000000; /* 5 secs */
6961 range->min_pmt = 0;
6962 range->max_pmt = 65535 * 1024; /* ??? */
6963 range->pmp_flags = IW_POWER_PERIOD;
6964 range->pmt_flags = IW_POWER_TIMEOUT;
6965 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6966
6967 /* Transmit Power - values are in mW */
6968 for(i = 0 ; i < 8 ; i++) {
6969 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6970 if(range->txpower[i] == 0)
6971 break;
6972 }
6973 range->num_txpower = i;
6974 range->txpower_capa = IW_TXPOW_MWATT;
6975 range->we_version_source = 19;
6976 range->we_version_compiled = WIRELESS_EXT;
6977 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6978 range->retry_flags = IW_RETRY_LIMIT;
6979 range->r_time_flags = IW_RETRY_LIFETIME;
6980 range->min_retry = 1;
6981 range->max_retry = 65535;
6982 range->min_r_time = 1024;
6983 range->max_r_time = 65535 * 1024;
6984
6985 /* Event capability (kernel + driver) */
6986 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6987 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6988 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6989 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6990 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6991 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6992 return 0;
6993 }
6994
6995 /*------------------------------------------------------------------*/
6996 /*
6997 * Wireless Handler : set Power Management
6998 */
6999 static int airo_set_power(struct net_device *dev,
7000 struct iw_request_info *info,
7001 struct iw_param *vwrq,
7002 char *extra)
7003 {
7004 struct airo_info *local = dev->ml_priv;
7005
7006 readConfigRid(local, 1);
7007 if (vwrq->disabled) {
7008 if (sniffing_mode(local))
7009 return -EINVAL;
7010 local->config.powerSaveMode = POWERSAVE_CAM;
7011 local->config.rmode &= ~RXMODE_MASK;
7012 local->config.rmode |= RXMODE_BC_MC_ADDR;
7013 set_bit (FLAG_COMMIT, &local->flags);
7014 return -EINPROGRESS; /* Call commit handler */
7015 }
7016 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7017 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7018 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7019 set_bit (FLAG_COMMIT, &local->flags);
7020 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7021 local->config.fastListenInterval =
7022 local->config.listenInterval =
7023 cpu_to_le16((vwrq->value + 500) / 1024);
7024 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7025 set_bit (FLAG_COMMIT, &local->flags);
7026 }
7027 switch (vwrq->flags & IW_POWER_MODE) {
7028 case IW_POWER_UNICAST_R:
7029 if (sniffing_mode(local))
7030 return -EINVAL;
7031 local->config.rmode &= ~RXMODE_MASK;
7032 local->config.rmode |= RXMODE_ADDR;
7033 set_bit (FLAG_COMMIT, &local->flags);
7034 break;
7035 case IW_POWER_ALL_R:
7036 if (sniffing_mode(local))
7037 return -EINVAL;
7038 local->config.rmode &= ~RXMODE_MASK;
7039 local->config.rmode |= RXMODE_BC_MC_ADDR;
7040 set_bit (FLAG_COMMIT, &local->flags);
7041 case IW_POWER_ON:
7042 /* This is broken, fixme ;-) */
7043 break;
7044 default:
7045 return -EINVAL;
7046 }
7047 // Note : we may want to factor local->need_commit here
7048 // Note2 : may also want to factor RXMODE_RFMON test
7049 return -EINPROGRESS; /* Call commit handler */
7050 }
7051
7052 /*------------------------------------------------------------------*/
7053 /*
7054 * Wireless Handler : get Power Management
7055 */
7056 static int airo_get_power(struct net_device *dev,
7057 struct iw_request_info *info,
7058 struct iw_param *vwrq,
7059 char *extra)
7060 {
7061 struct airo_info *local = dev->ml_priv;
7062 __le16 mode;
7063
7064 readConfigRid(local, 1);
7065 mode = local->config.powerSaveMode;
7066 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7067 return 0;
7068 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7069 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7070 vwrq->flags = IW_POWER_TIMEOUT;
7071 } else {
7072 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7073 vwrq->flags = IW_POWER_PERIOD;
7074 }
7075 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7076 vwrq->flags |= IW_POWER_UNICAST_R;
7077 else
7078 vwrq->flags |= IW_POWER_ALL_R;
7079
7080 return 0;
7081 }
7082
7083 /*------------------------------------------------------------------*/
7084 /*
7085 * Wireless Handler : set Sensitivity
7086 */
7087 static int airo_set_sens(struct net_device *dev,
7088 struct iw_request_info *info,
7089 struct iw_param *vwrq,
7090 char *extra)
7091 {
7092 struct airo_info *local = dev->ml_priv;
7093
7094 readConfigRid(local, 1);
7095 local->config.rssiThreshold =
7096 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7097 set_bit (FLAG_COMMIT, &local->flags);
7098
7099 return -EINPROGRESS; /* Call commit handler */
7100 }
7101
7102 /*------------------------------------------------------------------*/
7103 /*
7104 * Wireless Handler : get Sensitivity
7105 */
7106 static int airo_get_sens(struct net_device *dev,
7107 struct iw_request_info *info,
7108 struct iw_param *vwrq,
7109 char *extra)
7110 {
7111 struct airo_info *local = dev->ml_priv;
7112
7113 readConfigRid(local, 1);
7114 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7115 vwrq->disabled = (vwrq->value == 0);
7116 vwrq->fixed = 1;
7117
7118 return 0;
7119 }
7120
7121 /*------------------------------------------------------------------*/
7122 /*
7123 * Wireless Handler : get AP List
7124 * Note : this is deprecated in favor of IWSCAN
7125 */
7126 static int airo_get_aplist(struct net_device *dev,
7127 struct iw_request_info *info,
7128 struct iw_point *dwrq,
7129 char *extra)
7130 {
7131 struct airo_info *local = dev->ml_priv;
7132 struct sockaddr *address = (struct sockaddr *) extra;
7133 struct iw_quality *qual;
7134 BSSListRid BSSList;
7135 int i;
7136 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7137
7138 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7139 if (!qual)
7140 return -ENOMEM;
7141
7142 for (i = 0; i < IW_MAX_AP; i++) {
7143 u16 dBm;
7144 if (readBSSListRid(local, loseSync, &BSSList))
7145 break;
7146 loseSync = 0;
7147 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7148 address[i].sa_family = ARPHRD_ETHER;
7149 dBm = le16_to_cpu(BSSList.dBm);
7150 if (local->rssi) {
7151 qual[i].level = 0x100 - dBm;
7152 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7153 qual[i].updated = IW_QUAL_QUAL_UPDATED
7154 | IW_QUAL_LEVEL_UPDATED
7155 | IW_QUAL_DBM;
7156 } else {
7157 qual[i].level = (dBm + 321) / 2;
7158 qual[i].qual = 0;
7159 qual[i].updated = IW_QUAL_QUAL_INVALID
7160 | IW_QUAL_LEVEL_UPDATED
7161 | IW_QUAL_DBM;
7162 }
7163 qual[i].noise = local->wstats.qual.noise;
7164 if (BSSList.index == cpu_to_le16(0xffff))
7165 break;
7166 }
7167 if (!i) {
7168 StatusRid status_rid; /* Card status info */
7169 readStatusRid(local, &status_rid, 1);
7170 for (i = 0;
7171 i < min(IW_MAX_AP, 4) &&
7172 (status_rid.bssid[i][0]
7173 & status_rid.bssid[i][1]
7174 & status_rid.bssid[i][2]
7175 & status_rid.bssid[i][3]
7176 & status_rid.bssid[i][4]
7177 & status_rid.bssid[i][5])!=0xff &&
7178 (status_rid.bssid[i][0]
7179 | status_rid.bssid[i][1]
7180 | status_rid.bssid[i][2]
7181 | status_rid.bssid[i][3]
7182 | status_rid.bssid[i][4]
7183 | status_rid.bssid[i][5]);
7184 i++) {
7185 memcpy(address[i].sa_data,
7186 status_rid.bssid[i], ETH_ALEN);
7187 address[i].sa_family = ARPHRD_ETHER;
7188 }
7189 } else {
7190 dwrq->flags = 1; /* Should be define'd */
7191 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7192 sizeof(struct iw_quality) * i);
7193 }
7194 dwrq->length = i;
7195
7196 kfree(qual);
7197 return 0;
7198 }
7199
7200 /*------------------------------------------------------------------*/
7201 /*
7202 * Wireless Handler : Initiate Scan
7203 */
7204 static int airo_set_scan(struct net_device *dev,
7205 struct iw_request_info *info,
7206 struct iw_point *dwrq,
7207 char *extra)
7208 {
7209 struct airo_info *ai = dev->ml_priv;
7210 Cmd cmd;
7211 Resp rsp;
7212 int wake = 0;
7213 APListRid APList_rid_empty;
7214
7215 /* Note : you may have realised that, as this is a SET operation,
7216 * this is privileged and therefore a normal user can't
7217 * perform scanning.
7218 * This is not an error, while the device perform scanning,
7219 * traffic doesn't flow, so it's a perfect DoS...
7220 * Jean II */
7221 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7222
7223 if (down_interruptible(&ai->sem))
7224 return -ERESTARTSYS;
7225
7226 /* If there's already a scan in progress, don't
7227 * trigger another one. */
7228 if (ai->scan_timeout > 0)
7229 goto out;
7230
7231 /* Clear APList as it affects scan results */
7232 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty));
7233 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty));
7234 disable_MAC(ai, 2);
7235 writeAPListRid(ai, &APList_rid_empty, 0);
7236 enable_MAC(ai, 0);
7237
7238 /* Initiate a scan command */
7239 ai->scan_timeout = RUN_AT(3*HZ);
7240 memset(&cmd, 0, sizeof(cmd));
7241 cmd.cmd=CMD_LISTBSS;
7242 issuecommand(ai, &cmd, &rsp);
7243 wake = 1;
7244
7245 out:
7246 up(&ai->sem);
7247 if (wake)
7248 wake_up_interruptible(&ai->thr_wait);
7249 return 0;
7250 }
7251
7252 /*------------------------------------------------------------------*/
7253 /*
7254 * Translate scan data returned from the card to a card independent
7255 * format that the Wireless Tools will understand - Jean II
7256 */
7257 static inline char *airo_translate_scan(struct net_device *dev,
7258 struct iw_request_info *info,
7259 char *current_ev,
7260 char *end_buf,
7261 BSSListRid *bss)
7262 {
7263 struct airo_info *ai = dev->ml_priv;
7264 struct iw_event iwe; /* Temporary buffer */
7265 __le16 capabilities;
7266 char * current_val; /* For rates */
7267 int i;
7268 char * buf;
7269 u16 dBm;
7270
7271 /* First entry *MUST* be the AP MAC address */
7272 iwe.cmd = SIOCGIWAP;
7273 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7274 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7275 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7276 &iwe, IW_EV_ADDR_LEN);
7277
7278 /* Other entries will be displayed in the order we give them */
7279
7280 /* Add the ESSID */
7281 iwe.u.data.length = bss->ssidLen;
7282 if(iwe.u.data.length > 32)
7283 iwe.u.data.length = 32;
7284 iwe.cmd = SIOCGIWESSID;
7285 iwe.u.data.flags = 1;
7286 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7287 &iwe, bss->ssid);
7288
7289 /* Add mode */
7290 iwe.cmd = SIOCGIWMODE;
7291 capabilities = bss->cap;
7292 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7293 if(capabilities & CAP_ESS)
7294 iwe.u.mode = IW_MODE_MASTER;
7295 else
7296 iwe.u.mode = IW_MODE_ADHOC;
7297 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7298 &iwe, IW_EV_UINT_LEN);
7299 }
7300
7301 /* Add frequency */
7302 iwe.cmd = SIOCGIWFREQ;
7303 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7304 iwe.u.freq.m = 100000 *
7305 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ);
7306 iwe.u.freq.e = 1;
7307 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7308 &iwe, IW_EV_FREQ_LEN);
7309
7310 dBm = le16_to_cpu(bss->dBm);
7311
7312 /* Add quality statistics */
7313 iwe.cmd = IWEVQUAL;
7314 if (ai->rssi) {
7315 iwe.u.qual.level = 0x100 - dBm;
7316 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7317 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7318 | IW_QUAL_LEVEL_UPDATED
7319 | IW_QUAL_DBM;
7320 } else {
7321 iwe.u.qual.level = (dBm + 321) / 2;
7322 iwe.u.qual.qual = 0;
7323 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7324 | IW_QUAL_LEVEL_UPDATED
7325 | IW_QUAL_DBM;
7326 }
7327 iwe.u.qual.noise = ai->wstats.qual.noise;
7328 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7329 &iwe, IW_EV_QUAL_LEN);
7330
7331 /* Add encryption capability */
7332 iwe.cmd = SIOCGIWENCODE;
7333 if(capabilities & CAP_PRIVACY)
7334 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7335 else
7336 iwe.u.data.flags = IW_ENCODE_DISABLED;
7337 iwe.u.data.length = 0;
7338 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7339 &iwe, bss->ssid);
7340
7341 /* Rate : stuffing multiple values in a single event require a bit
7342 * more of magic - Jean II */
7343 current_val = current_ev + iwe_stream_lcp_len(info);
7344
7345 iwe.cmd = SIOCGIWRATE;
7346 /* Those two flags are ignored... */
7347 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7348 /* Max 8 values */
7349 for(i = 0 ; i < 8 ; i++) {
7350 /* NULL terminated */
7351 if(bss->rates[i] == 0)
7352 break;
7353 /* Bit rate given in 500 kb/s units (+ 0x80) */
7354 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7355 /* Add new value to event */
7356 current_val = iwe_stream_add_value(info, current_ev,
7357 current_val, end_buf,
7358 &iwe, IW_EV_PARAM_LEN);
7359 }
7360 /* Check if we added any event */
7361 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7362 current_ev = current_val;
7363
7364 /* Beacon interval */
7365 buf = kmalloc(30, GFP_KERNEL);
7366 if (buf) {
7367 iwe.cmd = IWEVCUSTOM;
7368 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7369 iwe.u.data.length = strlen(buf);
7370 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7371 &iwe, buf);
7372 kfree(buf);
7373 }
7374
7375 /* Put WPA/RSN Information Elements into the event stream */
7376 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7377 unsigned int num_null_ies = 0;
7378 u16 length = sizeof (bss->extra.iep);
7379 u8 *ie = (void *)&bss->extra.iep;
7380
7381 while ((length >= 2) && (num_null_ies < 2)) {
7382 if (2 + ie[1] > length) {
7383 /* Invalid element, don't continue parsing IE */
7384 break;
7385 }
7386
7387 switch (ie[0]) {
7388 case WLAN_EID_SSID:
7389 /* Two zero-length SSID elements
7390 * mean we're done parsing elements */
7391 if (!ie[1])
7392 num_null_ies++;
7393 break;
7394
7395 case WLAN_EID_VENDOR_SPECIFIC:
7396 if (ie[1] >= 4 &&
7397 ie[2] == 0x00 &&
7398 ie[3] == 0x50 &&
7399 ie[4] == 0xf2 &&
7400 ie[5] == 0x01) {
7401 iwe.cmd = IWEVGENIE;
7402 /* 64 is an arbitrary cut-off */
7403 iwe.u.data.length = min(ie[1] + 2,
7404 64);
7405 current_ev = iwe_stream_add_point(
7406 info, current_ev,
7407 end_buf, &iwe, ie);
7408 }
7409 break;
7410
7411 case WLAN_EID_RSN:
7412 iwe.cmd = IWEVGENIE;
7413 /* 64 is an arbitrary cut-off */
7414 iwe.u.data.length = min(ie[1] + 2, 64);
7415 current_ev = iwe_stream_add_point(
7416 info, current_ev, end_buf,
7417 &iwe, ie);
7418 break;
7419
7420 default:
7421 break;
7422 }
7423
7424 length -= 2 + ie[1];
7425 ie += 2 + ie[1];
7426 }
7427 }
7428 return current_ev;
7429 }
7430
7431 /*------------------------------------------------------------------*/
7432 /*
7433 * Wireless Handler : Read Scan Results
7434 */
7435 static int airo_get_scan(struct net_device *dev,
7436 struct iw_request_info *info,
7437 struct iw_point *dwrq,
7438 char *extra)
7439 {
7440 struct airo_info *ai = dev->ml_priv;
7441 BSSListElement *net;
7442 int err = 0;
7443 char *current_ev = extra;
7444
7445 /* If a scan is in-progress, return -EAGAIN */
7446 if (ai->scan_timeout > 0)
7447 return -EAGAIN;
7448
7449 if (down_interruptible(&ai->sem))
7450 return -EAGAIN;
7451
7452 list_for_each_entry (net, &ai->network_list, list) {
7453 /* Translate to WE format this entry */
7454 current_ev = airo_translate_scan(dev, info, current_ev,
7455 extra + dwrq->length,
7456 &net->bss);
7457
7458 /* Check if there is space for one more entry */
7459 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7460 /* Ask user space to try again with a bigger buffer */
7461 err = -E2BIG;
7462 goto out;
7463 }
7464 }
7465
7466 /* Length of data */
7467 dwrq->length = (current_ev - extra);
7468 dwrq->flags = 0; /* todo */
7469
7470 out:
7471 up(&ai->sem);
7472 return err;
7473 }
7474
7475 /*------------------------------------------------------------------*/
7476 /*
7477 * Commit handler : called after a bunch of SET operations
7478 */
7479 static int airo_config_commit(struct net_device *dev,
7480 struct iw_request_info *info, /* NULL */
7481 void *zwrq, /* NULL */
7482 char *extra) /* NULL */
7483 {
7484 struct airo_info *local = dev->ml_priv;
7485
7486 if (!test_bit (FLAG_COMMIT, &local->flags))
7487 return 0;
7488
7489 /* Some of the "SET" function may have modified some of the
7490 * parameters. It's now time to commit them in the card */
7491 disable_MAC(local, 1);
7492 if (test_bit (FLAG_RESET, &local->flags)) {
7493 SsidRid SSID_rid;
7494
7495 readSsidRid(local, &SSID_rid);
7496 if (test_bit(FLAG_MPI,&local->flags))
7497 setup_card(local, dev->dev_addr, 1 );
7498 else
7499 reset_airo_card(dev);
7500 disable_MAC(local, 1);
7501 writeSsidRid(local, &SSID_rid, 1);
7502 writeAPListRid(local, &local->APList, 1);
7503 }
7504 if (down_interruptible(&local->sem))
7505 return -ERESTARTSYS;
7506 writeConfigRid(local, 0);
7507 enable_MAC(local, 0);
7508 if (test_bit (FLAG_RESET, &local->flags))
7509 airo_set_promisc(local);
7510 else
7511 up(&local->sem);
7512
7513 return 0;
7514 }
7515
7516 /*------------------------------------------------------------------*/
7517 /*
7518 * Structures to export the Wireless Handlers
7519 */
7520
7521 static const struct iw_priv_args airo_private_args[] = {
7522 /*{ cmd, set_args, get_args, name } */
7523 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7524 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7525 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7526 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7527 };
7528
7529 static const iw_handler airo_handler[] =
7530 {
7531 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7532 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7533 (iw_handler) NULL, /* SIOCSIWNWID */
7534 (iw_handler) NULL, /* SIOCGIWNWID */
7535 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7536 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7537 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7538 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7539 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7540 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7541 (iw_handler) NULL, /* SIOCSIWRANGE */
7542 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7543 (iw_handler) NULL, /* SIOCSIWPRIV */
7544 (iw_handler) NULL, /* SIOCGIWPRIV */
7545 (iw_handler) NULL, /* SIOCSIWSTATS */
7546 (iw_handler) NULL, /* SIOCGIWSTATS */
7547 iw_handler_set_spy, /* SIOCSIWSPY */
7548 iw_handler_get_spy, /* SIOCGIWSPY */
7549 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7550 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7551 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7552 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7553 (iw_handler) NULL, /* -- hole -- */
7554 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7555 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7556 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7557 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7558 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7559 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7560 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7561 (iw_handler) NULL, /* -- hole -- */
7562 (iw_handler) NULL, /* -- hole -- */
7563 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7564 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7565 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7566 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7567 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7568 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7569 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7570 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7571 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7572 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7573 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7574 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7575 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7576 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7577 (iw_handler) NULL, /* -- hole -- */
7578 (iw_handler) NULL, /* -- hole -- */
7579 (iw_handler) NULL, /* SIOCSIWGENIE */
7580 (iw_handler) NULL, /* SIOCGIWGENIE */
7581 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7582 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7583 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7584 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7585 (iw_handler) NULL, /* SIOCSIWPMKSA */
7586 };
7587
7588 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7589 * We want to force the use of the ioctl code, because those can't be
7590 * won't work the iw_handler code (because they simultaneously read
7591 * and write data and iw_handler can't do that).
7592 * Note that it's perfectly legal to read/write on a single ioctl command,
7593 * you just can't use iwpriv and need to force it via the ioctl handler.
7594 * Jean II */
7595 static const iw_handler airo_private_handler[] =
7596 {
7597 NULL, /* SIOCIWFIRSTPRIV */
7598 };
7599
7600 static const struct iw_handler_def airo_handler_def =
7601 {
7602 .num_standard = ARRAY_SIZE(airo_handler),
7603 .num_private = ARRAY_SIZE(airo_private_handler),
7604 .num_private_args = ARRAY_SIZE(airo_private_args),
7605 .standard = airo_handler,
7606 .private = airo_private_handler,
7607 .private_args = airo_private_args,
7608 .get_wireless_stats = airo_get_wireless_stats,
7609 };
7610
7611 /*
7612 * This defines the configuration part of the Wireless Extensions
7613 * Note : irq and spinlock protection will occur in the subroutines
7614 *
7615 * TODO :
7616 * o Check input value more carefully and fill correct values in range
7617 * o Test and shakeout the bugs (if any)
7618 *
7619 * Jean II
7620 *
7621 * Javier Achirica did a great job of merging code from the unnamed CISCO
7622 * developer that added support for flashing the card.
7623 */
7624 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7625 {
7626 int rc = 0;
7627 struct airo_info *ai = dev->ml_priv;
7628
7629 if (ai->power.event)
7630 return 0;
7631
7632 switch (cmd) {
7633 #ifdef CISCO_EXT
7634 case AIROIDIFC:
7635 #ifdef AIROOLDIDIFC
7636 case AIROOLDIDIFC:
7637 #endif
7638 {
7639 int val = AIROMAGIC;
7640 aironet_ioctl com;
7641 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7642 rc = -EFAULT;
7643 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7644 rc = -EFAULT;
7645 }
7646 break;
7647
7648 case AIROIOCTL:
7649 #ifdef AIROOLDIOCTL
7650 case AIROOLDIOCTL:
7651 #endif
7652 /* Get the command struct and hand it off for evaluation by
7653 * the proper subfunction
7654 */
7655 {
7656 aironet_ioctl com;
7657 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7658 rc = -EFAULT;
7659 break;
7660 }
7661
7662 /* Separate R/W functions bracket legality here
7663 */
7664 if ( com.command == AIRORSWVERSION ) {
7665 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7666 rc = -EFAULT;
7667 else
7668 rc = 0;
7669 }
7670 else if ( com.command <= AIRORRID)
7671 rc = readrids(dev,&com);
7672 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7673 rc = writerids(dev,&com);
7674 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7675 rc = flashcard(dev,&com);
7676 else
7677 rc = -EINVAL; /* Bad command in ioctl */
7678 }
7679 break;
7680 #endif /* CISCO_EXT */
7681
7682 // All other calls are currently unsupported
7683 default:
7684 rc = -EOPNOTSUPP;
7685 }
7686 return rc;
7687 }
7688
7689 /*
7690 * Get the Wireless stats out of the driver
7691 * Note : irq and spinlock protection will occur in the subroutines
7692 *
7693 * TODO :
7694 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7695 *
7696 * Jean
7697 */
7698 static void airo_read_wireless_stats(struct airo_info *local)
7699 {
7700 StatusRid status_rid;
7701 StatsRid stats_rid;
7702 CapabilityRid cap_rid;
7703 __le32 *vals = stats_rid.vals;
7704
7705 /* Get stats out of the card */
7706 clear_bit(JOB_WSTATS, &local->jobs);
7707 if (local->power.event) {
7708 up(&local->sem);
7709 return;
7710 }
7711 readCapabilityRid(local, &cap_rid, 0);
7712 readStatusRid(local, &status_rid, 0);
7713 readStatsRid(local, &stats_rid, RID_STATS, 0);
7714 up(&local->sem);
7715
7716 /* The status */
7717 local->wstats.status = le16_to_cpu(status_rid.mode);
7718
7719 /* Signal quality and co */
7720 if (local->rssi) {
7721 local->wstats.qual.level =
7722 airo_rssi_to_dbm(local->rssi,
7723 le16_to_cpu(status_rid.sigQuality));
7724 /* normalizedSignalStrength appears to be a percentage */
7725 local->wstats.qual.qual =
7726 le16_to_cpu(status_rid.normalizedSignalStrength);
7727 } else {
7728 local->wstats.qual.level =
7729 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7730 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7731 }
7732 if (le16_to_cpu(status_rid.len) >= 124) {
7733 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7734 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7735 } else {
7736 local->wstats.qual.noise = 0;
7737 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7738 }
7739
7740 /* Packets discarded in the wireless adapter due to wireless
7741 * specific problems */
7742 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7743 le32_to_cpu(vals[57]) +
7744 le32_to_cpu(vals[58]); /* SSID Mismatch */
7745 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7746 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7747 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7748 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7749 le32_to_cpu(vals[32]);
7750 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7751 }
7752
7753 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7754 {
7755 struct airo_info *local = dev->ml_priv;
7756
7757 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7758 /* Get stats out of the card if available */
7759 if (down_trylock(&local->sem) != 0) {
7760 set_bit(JOB_WSTATS, &local->jobs);
7761 wake_up_interruptible(&local->thr_wait);
7762 } else
7763 airo_read_wireless_stats(local);
7764 }
7765
7766 return &local->wstats;
7767 }
7768
7769 #ifdef CISCO_EXT
7770 /*
7771 * This just translates from driver IOCTL codes to the command codes to
7772 * feed to the radio's host interface. Things can be added/deleted
7773 * as needed. This represents the READ side of control I/O to
7774 * the card
7775 */
7776 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7777 unsigned short ridcode;
7778 unsigned char *iobuf;
7779 int len;
7780 struct airo_info *ai = dev->ml_priv;
7781
7782 if (test_bit(FLAG_FLASHING, &ai->flags))
7783 return -EIO;
7784
7785 switch(comp->command)
7786 {
7787 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7788 case AIROGCFG: ridcode = RID_CONFIG;
7789 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7790 disable_MAC (ai, 1);
7791 writeConfigRid (ai, 1);
7792 enable_MAC(ai, 1);
7793 }
7794 break;
7795 case AIROGSLIST: ridcode = RID_SSID; break;
7796 case AIROGVLIST: ridcode = RID_APLIST; break;
7797 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7798 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7799 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7800 /* Only super-user can read WEP keys */
7801 if (!capable(CAP_NET_ADMIN))
7802 return -EPERM;
7803 break;
7804 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7805 /* Only super-user can read WEP keys */
7806 if (!capable(CAP_NET_ADMIN))
7807 return -EPERM;
7808 break;
7809 case AIROGSTAT: ridcode = RID_STATUS; break;
7810 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7811 case AIROGSTATSC32: ridcode = RID_STATS; break;
7812 case AIROGMICSTATS:
7813 if (copy_to_user(comp->data, &ai->micstats,
7814 min((int)comp->len,(int)sizeof(ai->micstats))))
7815 return -EFAULT;
7816 return 0;
7817 case AIRORRID: ridcode = comp->ridnum; break;
7818 default:
7819 return -EINVAL;
7820 }
7821
7822 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7823 return -ENOMEM;
7824
7825 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7826 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7827 * then return it to the user
7828 * 9/22/2000 Honor user given length
7829 */
7830 len = comp->len;
7831
7832 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7833 kfree (iobuf);
7834 return -EFAULT;
7835 }
7836 kfree (iobuf);
7837 return 0;
7838 }
7839
7840 /*
7841 * Danger Will Robinson write the rids here
7842 */
7843
7844 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7845 struct airo_info *ai = dev->ml_priv;
7846 int ridcode;
7847 int enabled;
7848 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7849 unsigned char *iobuf;
7850
7851 /* Only super-user can write RIDs */
7852 if (!capable(CAP_NET_ADMIN))
7853 return -EPERM;
7854
7855 if (test_bit(FLAG_FLASHING, &ai->flags))
7856 return -EIO;
7857
7858 ridcode = 0;
7859 writer = do_writerid;
7860
7861 switch(comp->command)
7862 {
7863 case AIROPSIDS: ridcode = RID_SSID; break;
7864 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7865 case AIROPAPLIST: ridcode = RID_APLIST; break;
7866 case AIROPCFG: ai->config.len = 0;
7867 clear_bit(FLAG_COMMIT, &ai->flags);
7868 ridcode = RID_CONFIG; break;
7869 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7870 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7871 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7872 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7873 break;
7874 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7875 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7876
7877 /* this is not really a rid but a command given to the card
7878 * same with MAC off
7879 */
7880 case AIROPMACON:
7881 if (enable_MAC(ai, 1) != 0)
7882 return -EIO;
7883 return 0;
7884
7885 /*
7886 * Evidently this code in the airo driver does not get a symbol
7887 * as disable_MAC. it's probably so short the compiler does not gen one.
7888 */
7889 case AIROPMACOFF:
7890 disable_MAC(ai, 1);
7891 return 0;
7892
7893 /* This command merely clears the counts does not actually store any data
7894 * only reads rid. But as it changes the cards state, I put it in the
7895 * writerid routines.
7896 */
7897 case AIROPSTCLR:
7898 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7899 return -ENOMEM;
7900
7901 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7902
7903 enabled = ai->micstats.enabled;
7904 memset(&ai->micstats,0,sizeof(ai->micstats));
7905 ai->micstats.enabled = enabled;
7906
7907 if (copy_to_user(comp->data, iobuf,
7908 min((int)comp->len, (int)RIDSIZE))) {
7909 kfree (iobuf);
7910 return -EFAULT;
7911 }
7912 kfree (iobuf);
7913 return 0;
7914
7915 default:
7916 return -EOPNOTSUPP; /* Blarg! */
7917 }
7918 if(comp->len > RIDSIZE)
7919 return -EINVAL;
7920
7921 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7922 return -ENOMEM;
7923
7924 if (copy_from_user(iobuf,comp->data,comp->len)) {
7925 kfree (iobuf);
7926 return -EFAULT;
7927 }
7928
7929 if (comp->command == AIROPCFG) {
7930 ConfigRid *cfg = (ConfigRid *)iobuf;
7931
7932 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7933 cfg->opmode |= MODE_MIC;
7934
7935 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7936 set_bit (FLAG_ADHOC, &ai->flags);
7937 else
7938 clear_bit (FLAG_ADHOC, &ai->flags);
7939 }
7940
7941 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7942 kfree (iobuf);
7943 return -EIO;
7944 }
7945 kfree (iobuf);
7946 return 0;
7947 }
7948
7949 /*****************************************************************************
7950 * Ancillary flash / mod functions much black magic lurkes here *
7951 *****************************************************************************
7952 */
7953
7954 /*
7955 * Flash command switch table
7956 */
7957
7958 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7959 int z;
7960
7961 /* Only super-user can modify flash */
7962 if (!capable(CAP_NET_ADMIN))
7963 return -EPERM;
7964
7965 switch(comp->command)
7966 {
7967 case AIROFLSHRST:
7968 return cmdreset((struct airo_info *)dev->ml_priv);
7969
7970 case AIROFLSHSTFL:
7971 if (!AIRO_FLASH(dev) &&
7972 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7973 return -ENOMEM;
7974 return setflashmode((struct airo_info *)dev->ml_priv);
7975
7976 case AIROFLSHGCHR: /* Get char from aux */
7977 if(comp->len != sizeof(int))
7978 return -EINVAL;
7979 if (copy_from_user(&z,comp->data,comp->len))
7980 return -EFAULT;
7981 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7982
7983 case AIROFLSHPCHR: /* Send char to card. */
7984 if(comp->len != sizeof(int))
7985 return -EINVAL;
7986 if (copy_from_user(&z,comp->data,comp->len))
7987 return -EFAULT;
7988 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7989
7990 case AIROFLPUTBUF: /* Send 32k to card */
7991 if (!AIRO_FLASH(dev))
7992 return -ENOMEM;
7993 if(comp->len > FLASHSIZE)
7994 return -EINVAL;
7995 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7996 return -EFAULT;
7997
7998 flashputbuf((struct airo_info *)dev->ml_priv);
7999 return 0;
8000
8001 case AIRORESTART:
8002 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8003 return -EIO;
8004 return 0;
8005 }
8006 return -EINVAL;
8007 }
8008
8009 #define FLASH_COMMAND 0x7e7e
8010
8011 /*
8012 * STEP 1)
8013 * Disable MAC and do soft reset on
8014 * card.
8015 */
8016
8017 static int cmdreset(struct airo_info *ai) {
8018 disable_MAC(ai, 1);
8019
8020 if(!waitbusy (ai)){
8021 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8022 return -EBUSY;
8023 }
8024
8025 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8026
8027 ssleep(1); /* WAS 600 12/7/00 */
8028
8029 if(!waitbusy (ai)){
8030 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8031 return -EBUSY;
8032 }
8033 return 0;
8034 }
8035
8036 /* STEP 2)
8037 * Put the card in legendary flash
8038 * mode
8039 */
8040
8041 static int setflashmode (struct airo_info *ai) {
8042 set_bit (FLAG_FLASHING, &ai->flags);
8043
8044 OUT4500(ai, SWS0, FLASH_COMMAND);
8045 OUT4500(ai, SWS1, FLASH_COMMAND);
8046 if (probe) {
8047 OUT4500(ai, SWS0, FLASH_COMMAND);
8048 OUT4500(ai, COMMAND,0x10);
8049 } else {
8050 OUT4500(ai, SWS2, FLASH_COMMAND);
8051 OUT4500(ai, SWS3, FLASH_COMMAND);
8052 OUT4500(ai, COMMAND,0);
8053 }
8054 msleep(500); /* 500ms delay */
8055
8056 if(!waitbusy(ai)) {
8057 clear_bit (FLAG_FLASHING, &ai->flags);
8058 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8059 return -EIO;
8060 }
8061 return 0;
8062 }
8063
8064 /* Put character to SWS0 wait for dwelltime
8065 * x 50us for echo .
8066 */
8067
8068 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8069 int echo;
8070 int waittime;
8071
8072 byte |= 0x8000;
8073
8074 if(dwelltime == 0 )
8075 dwelltime = 200;
8076
8077 waittime=dwelltime;
8078
8079 /* Wait for busy bit d15 to go false indicating buffer empty */
8080 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8081 udelay (50);
8082 waittime -= 50;
8083 }
8084
8085 /* timeout for busy clear wait */
8086 if(waittime <= 0 ){
8087 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8088 return -EBUSY;
8089 }
8090
8091 /* Port is clear now write byte and wait for it to echo back */
8092 do {
8093 OUT4500(ai,SWS0,byte);
8094 udelay(50);
8095 dwelltime -= 50;
8096 echo = IN4500(ai,SWS1);
8097 } while (dwelltime >= 0 && echo != byte);
8098
8099 OUT4500(ai,SWS1,0);
8100
8101 return (echo == byte) ? 0 : -EIO;
8102 }
8103
8104 /*
8105 * Get a character from the card matching matchbyte
8106 * Step 3)
8107 */
8108 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8109 int rchar;
8110 unsigned char rbyte=0;
8111
8112 do {
8113 rchar = IN4500(ai,SWS1);
8114
8115 if(dwelltime && !(0x8000 & rchar)){
8116 dwelltime -= 10;
8117 mdelay(10);
8118 continue;
8119 }
8120 rbyte = 0xff & rchar;
8121
8122 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8123 OUT4500(ai,SWS1,0);
8124 return 0;
8125 }
8126 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8127 break;
8128 OUT4500(ai,SWS1,0);
8129
8130 }while(dwelltime > 0);
8131 return -EIO;
8132 }
8133
8134 /*
8135 * Transfer 32k of firmware data from user buffer to our buffer and
8136 * send to the card
8137 */
8138
8139 static int flashputbuf(struct airo_info *ai){
8140 int nwords;
8141
8142 /* Write stuff */
8143 if (test_bit(FLAG_MPI,&ai->flags))
8144 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8145 else {
8146 OUT4500(ai,AUXPAGE,0x100);
8147 OUT4500(ai,AUXOFF,0);
8148
8149 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8150 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8151 }
8152 }
8153 OUT4500(ai,SWS0,0x8000);
8154
8155 return 0;
8156 }
8157
8158 /*
8159 *
8160 */
8161 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8162 int i,status;
8163
8164 ssleep(1); /* Added 12/7/00 */
8165 clear_bit (FLAG_FLASHING, &ai->flags);
8166 if (test_bit(FLAG_MPI, &ai->flags)) {
8167 status = mpi_init_descriptors(ai);
8168 if (status != SUCCESS)
8169 return status;
8170 }
8171 status = setup_card(ai, dev->dev_addr, 1);
8172
8173 if (!test_bit(FLAG_MPI,&ai->flags))
8174 for( i = 0; i < MAX_FIDS; i++ ) {
8175 ai->fids[i] = transmit_allocate
8176 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8177 }
8178
8179 ssleep(1); /* Added 12/7/00 */
8180 return status;
8181 }
8182 #endif /* CISCO_EXT */
8183
8184 /*
8185 This program is free software; you can redistribute it and/or
8186 modify it under the terms of the GNU General Public License
8187 as published by the Free Software Foundation; either version 2
8188 of the License, or (at your option) any later version.
8189
8190 This program is distributed in the hope that it will be useful,
8191 but WITHOUT ANY WARRANTY; without even the implied warranty of
8192 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8193 GNU General Public License for more details.
8194
8195 In addition:
8196
8197 Redistribution and use in source and binary forms, with or without
8198 modification, are permitted provided that the following conditions
8199 are met:
8200
8201 1. Redistributions of source code must retain the above copyright
8202 notice, this list of conditions and the following disclaimer.
8203 2. Redistributions in binary form must reproduce the above copyright
8204 notice, this list of conditions and the following disclaimer in the
8205 documentation and/or other materials provided with the distribution.
8206 3. The name of the author may not be used to endorse or promote
8207 products derived from this software without specific prior written
8208 permission.
8209
8210 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8211 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8212 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8213 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8214 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8215 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8216 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8217 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8218 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8219 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8220 POSSIBILITY OF SUCH DAMAGE.
8221 */
8222
8223 module_init(airo_init_module);
8224 module_exit(airo_cleanup_module);
Ubuntu Artful kernel mirror