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userns: Make the airo wireless driver use kuids for proc uids and gids
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / airo.c
1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/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 <asm/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
51
52 #include <linux/ieee80211.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 DEFINE_PCI_DEVICE_TABLE(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 = __devexit_p(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 #include <net/iw_handler.h> /* New driver API */
91
92 #define CISCO_EXT /* enable Cisco extensions */
93 #ifdef CISCO_EXT
94 #include <linux/delay.h>
95 #endif
96
97 /* Hack to do some power saving */
98 #define POWER_ON_DOWN
99
100 /* As you can see this list is HUGH!
101 I really don't know what a lot of these counts are about, but they
102 are all here for completeness. If the IGNLABEL macro is put in
103 infront of the label, that statistic will not be included in the list
104 of statistics in the /proc filesystem */
105
106 #define IGNLABEL(comment) NULL
107 static const char *statsLabels[] = {
108 "RxOverrun",
109 IGNLABEL("RxPlcpCrcErr"),
110 IGNLABEL("RxPlcpFormatErr"),
111 IGNLABEL("RxPlcpLengthErr"),
112 "RxMacCrcErr",
113 "RxMacCrcOk",
114 "RxWepErr",
115 "RxWepOk",
116 "RetryLong",
117 "RetryShort",
118 "MaxRetries",
119 "NoAck",
120 "NoCts",
121 "RxAck",
122 "RxCts",
123 "TxAck",
124 "TxRts",
125 "TxCts",
126 "TxMc",
127 "TxBc",
128 "TxUcFrags",
129 "TxUcPackets",
130 "TxBeacon",
131 "RxBeacon",
132 "TxSinColl",
133 "TxMulColl",
134 "DefersNo",
135 "DefersProt",
136 "DefersEngy",
137 "DupFram",
138 "RxFragDisc",
139 "TxAged",
140 "RxAged",
141 "LostSync-MaxRetry",
142 "LostSync-MissedBeacons",
143 "LostSync-ArlExceeded",
144 "LostSync-Deauth",
145 "LostSync-Disassoced",
146 "LostSync-TsfTiming",
147 "HostTxMc",
148 "HostTxBc",
149 "HostTxUc",
150 "HostTxFail",
151 "HostRxMc",
152 "HostRxBc",
153 "HostRxUc",
154 "HostRxDiscard",
155 IGNLABEL("HmacTxMc"),
156 IGNLABEL("HmacTxBc"),
157 IGNLABEL("HmacTxUc"),
158 IGNLABEL("HmacTxFail"),
159 IGNLABEL("HmacRxMc"),
160 IGNLABEL("HmacRxBc"),
161 IGNLABEL("HmacRxUc"),
162 IGNLABEL("HmacRxDiscard"),
163 IGNLABEL("HmacRxAccepted"),
164 "SsidMismatch",
165 "ApMismatch",
166 "RatesMismatch",
167 "AuthReject",
168 "AuthTimeout",
169 "AssocReject",
170 "AssocTimeout",
171 IGNLABEL("ReasonOutsideTable"),
172 IGNLABEL("ReasonStatus1"),
173 IGNLABEL("ReasonStatus2"),
174 IGNLABEL("ReasonStatus3"),
175 IGNLABEL("ReasonStatus4"),
176 IGNLABEL("ReasonStatus5"),
177 IGNLABEL("ReasonStatus6"),
178 IGNLABEL("ReasonStatus7"),
179 IGNLABEL("ReasonStatus8"),
180 IGNLABEL("ReasonStatus9"),
181 IGNLABEL("ReasonStatus10"),
182 IGNLABEL("ReasonStatus11"),
183 IGNLABEL("ReasonStatus12"),
184 IGNLABEL("ReasonStatus13"),
185 IGNLABEL("ReasonStatus14"),
186 IGNLABEL("ReasonStatus15"),
187 IGNLABEL("ReasonStatus16"),
188 IGNLABEL("ReasonStatus17"),
189 IGNLABEL("ReasonStatus18"),
190 IGNLABEL("ReasonStatus19"),
191 "RxMan",
192 "TxMan",
193 "RxRefresh",
194 "TxRefresh",
195 "RxPoll",
196 "TxPoll",
197 "HostRetries",
198 "LostSync-HostReq",
199 "HostTxBytes",
200 "HostRxBytes",
201 "ElapsedUsec",
202 "ElapsedSec",
203 "LostSyncBetterAP",
204 "PrivacyMismatch",
205 "Jammed",
206 "DiscRxNotWepped",
207 "PhyEleMismatch",
208 (char*)-1 };
209 #ifndef RUN_AT
210 #define RUN_AT(x) (jiffies+(x))
211 #endif
212
213
214 /* These variables are for insmod, since it seems that the rates
215 can only be set in setup_card. Rates should be a comma separated
216 (no spaces) list of rates (up to 8). */
217
218 static int rates[8];
219 static char *ssids[3];
220
221 static int io[4];
222 static int irq[4];
223
224 static
225 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
227
228 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
231 static int adhoc;
232
233 static int probe = 1;
234
235 static kuid_t proc_kuid;
236 static int proc_uid /* = 0 */;
237
238 static kgid_t proc_kgid;
239 static int proc_gid /* = 0 */;
240
241 static int airo_perm = 0555;
242
243 static int proc_perm = 0644;
244
245 MODULE_AUTHOR("Benjamin Reed");
246 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
247 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
248 MODULE_LICENSE("Dual BSD/GPL");
249 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
250 module_param_array(io, int, NULL, 0);
251 module_param_array(irq, int, NULL, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep,
256 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
257 "The value of auto_wep is number of the wep keys to check. "
258 "A value of 2 will try using the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap,
261 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
262 "Before switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt,
265 "The maximum speed that the card can do encryption. "
266 "Units are in 512kbs. "
267 "Zero (default) means there is no limit. "
268 "Older cards used to be limited to 2mbs (4).");
269 module_param(adhoc, int, 0);
270 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271 module_param(probe, int, 0);
272 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
273
274 module_param(proc_uid, int, 0);
275 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276 module_param(proc_gid, int, 0);
277 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278 module_param(airo_perm, int, 0);
279 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280 module_param(proc_perm, int, 0);
281 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
282
283 /* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
286 static int do8bitIO /* = 0 */;
287
288 /* Return codes */
289 #define SUCCESS 0
290 #define ERROR -1
291 #define NO_PACKET -2
292
293 /* Commands */
294 #define NOP2 0x0000
295 #define MAC_ENABLE 0x0001
296 #define MAC_DISABLE 0x0002
297 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298 #define CMD_SOFTRESET 0x0004
299 #define HOSTSLEEP 0x0005
300 #define CMD_MAGIC_PKT 0x0006
301 #define CMD_SETWAKEMASK 0x0007
302 #define CMD_READCFG 0x0008
303 #define CMD_SETMODE 0x0009
304 #define CMD_ALLOCATETX 0x000a
305 #define CMD_TRANSMIT 0x000b
306 #define CMD_DEALLOCATETX 0x000c
307 #define NOP 0x0010
308 #define CMD_WORKAROUND 0x0011
309 #define CMD_ALLOCATEAUX 0x0020
310 #define CMD_ACCESS 0x0021
311 #define CMD_PCIBAP 0x0022
312 #define CMD_PCIAUX 0x0023
313 #define CMD_ALLOCBUF 0x0028
314 #define CMD_GETTLV 0x0029
315 #define CMD_PUTTLV 0x002a
316 #define CMD_DELTLV 0x002b
317 #define CMD_FINDNEXTTLV 0x002c
318 #define CMD_PSPNODES 0x0030
319 #define CMD_SETCW 0x0031
320 #define CMD_SETPCF 0x0032
321 #define CMD_SETPHYREG 0x003e
322 #define CMD_TXTEST 0x003f
323 #define MAC_ENABLETX 0x0101
324 #define CMD_LISTBSS 0x0103
325 #define CMD_SAVECFG 0x0108
326 #define CMD_ENABLEAUX 0x0111
327 #define CMD_WRITERID 0x0121
328 #define CMD_USEPSPNODES 0x0130
329 #define MAC_ENABLERX 0x0201
330
331 /* Command errors */
332 #define ERROR_QUALIF 0x00
333 #define ERROR_ILLCMD 0x01
334 #define ERROR_ILLFMT 0x02
335 #define ERROR_INVFID 0x03
336 #define ERROR_INVRID 0x04
337 #define ERROR_LARGE 0x05
338 #define ERROR_NDISABL 0x06
339 #define ERROR_ALLOCBSY 0x07
340 #define ERROR_NORD 0x0B
341 #define ERROR_NOWR 0x0C
342 #define ERROR_INVFIDTX 0x0D
343 #define ERROR_TESTACT 0x0E
344 #define ERROR_TAGNFND 0x12
345 #define ERROR_DECODE 0x20
346 #define ERROR_DESCUNAV 0x21
347 #define ERROR_BADLEN 0x22
348 #define ERROR_MODE 0x80
349 #define ERROR_HOP 0x81
350 #define ERROR_BINTER 0x82
351 #define ERROR_RXMODE 0x83
352 #define ERROR_MACADDR 0x84
353 #define ERROR_RATES 0x85
354 #define ERROR_ORDER 0x86
355 #define ERROR_SCAN 0x87
356 #define ERROR_AUTH 0x88
357 #define ERROR_PSMODE 0x89
358 #define ERROR_RTYPE 0x8A
359 #define ERROR_DIVER 0x8B
360 #define ERROR_SSID 0x8C
361 #define ERROR_APLIST 0x8D
362 #define ERROR_AUTOWAKE 0x8E
363 #define ERROR_LEAP 0x8F
364
365 /* Registers */
366 #define COMMAND 0x00
367 #define PARAM0 0x02
368 #define PARAM1 0x04
369 #define PARAM2 0x06
370 #define STATUS 0x08
371 #define RESP0 0x0a
372 #define RESP1 0x0c
373 #define RESP2 0x0e
374 #define LINKSTAT 0x10
375 #define SELECT0 0x18
376 #define OFFSET0 0x1c
377 #define RXFID 0x20
378 #define TXALLOCFID 0x22
379 #define TXCOMPLFID 0x24
380 #define DATA0 0x36
381 #define EVSTAT 0x30
382 #define EVINTEN 0x32
383 #define EVACK 0x34
384 #define SWS0 0x28
385 #define SWS1 0x2a
386 #define SWS2 0x2c
387 #define SWS3 0x2e
388 #define AUXPAGE 0x3A
389 #define AUXOFF 0x3C
390 #define AUXDATA 0x3E
391
392 #define FID_TX 1
393 #define FID_RX 2
394 /* Offset into aux memory for descriptors */
395 #define AUX_OFFSET 0x800
396 /* Size of allocated packets */
397 #define PKTSIZE 1840
398 #define RIDSIZE 2048
399 /* Size of the transmit queue */
400 #define MAXTXQ 64
401
402 /* BAP selectors */
403 #define BAP0 0 /* Used for receiving packets */
404 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
405
406 /* Flags */
407 #define COMMAND_BUSY 0x8000
408
409 #define BAP_BUSY 0x8000
410 #define BAP_ERR 0x4000
411 #define BAP_DONE 0x2000
412
413 #define PROMISC 0xffff
414 #define NOPROMISC 0x0000
415
416 #define EV_CMD 0x10
417 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_RX 0x01
419 #define EV_TX 0x02
420 #define EV_TXEXC 0x04
421 #define EV_ALLOC 0x08
422 #define EV_LINK 0x80
423 #define EV_AWAKE 0x100
424 #define EV_TXCPY 0x400
425 #define EV_UNKNOWN 0x800
426 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427 #define EV_AWAKEN 0x2000
428 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
429
430 #ifdef CHECK_UNKNOWN_INTS
431 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432 #else
433 #define IGNORE_INTS (~STATUS_INTS)
434 #endif
435
436 /* RID TYPES */
437 #define RID_RW 0x20
438
439 /* The RIDs */
440 #define RID_CAPABILITIES 0xFF00
441 #define RID_APINFO 0xFF01
442 #define RID_RADIOINFO 0xFF02
443 #define RID_UNKNOWN3 0xFF03
444 #define RID_RSSI 0xFF04
445 #define RID_CONFIG 0xFF10
446 #define RID_SSID 0xFF11
447 #define RID_APLIST 0xFF12
448 #define RID_DRVNAME 0xFF13
449 #define RID_ETHERENCAP 0xFF14
450 #define RID_WEP_TEMP 0xFF15
451 #define RID_WEP_PERM 0xFF16
452 #define RID_MODULATION 0xFF17
453 #define RID_OPTIONS 0xFF18
454 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455 #define RID_FACTORYCONFIG 0xFF21
456 #define RID_UNKNOWN22 0xFF22
457 #define RID_LEAPUSERNAME 0xFF23
458 #define RID_LEAPPASSWORD 0xFF24
459 #define RID_STATUS 0xFF50
460 #define RID_BEACON_HST 0xFF51
461 #define RID_BUSY_HST 0xFF52
462 #define RID_RETRIES_HST 0xFF53
463 #define RID_UNKNOWN54 0xFF54
464 #define RID_UNKNOWN55 0xFF55
465 #define RID_UNKNOWN56 0xFF56
466 #define RID_MIC 0xFF57
467 #define RID_STATS16 0xFF60
468 #define RID_STATS16DELTA 0xFF61
469 #define RID_STATS16DELTACLEAR 0xFF62
470 #define RID_STATS 0xFF68
471 #define RID_STATSDELTA 0xFF69
472 #define RID_STATSDELTACLEAR 0xFF6A
473 #define RID_ECHOTEST_RID 0xFF70
474 #define RID_ECHOTEST_RESULTS 0xFF71
475 #define RID_BSSLISTFIRST 0xFF72
476 #define RID_BSSLISTNEXT 0xFF73
477 #define RID_WPA_BSSLISTFIRST 0xFF74
478 #define RID_WPA_BSSLISTNEXT 0xFF75
479
480 typedef struct {
481 u16 cmd;
482 u16 parm0;
483 u16 parm1;
484 u16 parm2;
485 } Cmd;
486
487 typedef struct {
488 u16 status;
489 u16 rsp0;
490 u16 rsp1;
491 u16 rsp2;
492 } Resp;
493
494 /*
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
498 */
499
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502 typedef struct WepKeyRid WepKeyRid;
503 struct WepKeyRid {
504 __le16 len;
505 __le16 kindex;
506 u8 mac[ETH_ALEN];
507 __le16 klen;
508 u8 key[16];
509 } __packed;
510
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct Ssid Ssid;
513 struct Ssid {
514 __le16 len;
515 u8 ssid[32];
516 } __packed;
517
518 typedef struct SsidRid SsidRid;
519 struct SsidRid {
520 __le16 len;
521 Ssid ssids[3];
522 } __packed;
523
524 typedef struct ModulationRid ModulationRid;
525 struct ModulationRid {
526 __le16 len;
527 __le16 modulation;
528 #define MOD_DEFAULT cpu_to_le16(0)
529 #define MOD_CCK cpu_to_le16(1)
530 #define MOD_MOK cpu_to_le16(2)
531 } __packed;
532
533 typedef struct ConfigRid ConfigRid;
534 struct ConfigRid {
535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537 #define MODE_STA_IBSS cpu_to_le16(0)
538 #define MODE_STA_ESS cpu_to_le16(1)
539 #define MODE_AP cpu_to_le16(2)
540 #define MODE_AP_RPTR cpu_to_le16(3)
541 #define MODE_CFG_MASK cpu_to_le16(0xff)
542 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558 #define RXMODE_MASK cpu_to_le16(255)
559 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
562 __le16 fragThresh;
563 __le16 rtsThres;
564 u8 macAddr[ETH_ALEN];
565 u8 rates[8];
566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
570 __le16 stationary;
571 __le16 ordering;
572 __le16 u16deviceType; /* for overriding device type */
573 __le16 cfpRate;
574 __le16 cfpDuration;
575 __le16 _reserved1[3];
576 /*---------- Scanning/Associating ----------*/
577 __le16 scanMode;
578 #define SCANMODE_ACTIVE cpu_to_le16(0)
579 #define SCANMODE_PASSIVE cpu_to_le16(1)
580 #define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
586 __le16 authTimeout;
587 __le16 authType;
588 #define AUTH_OPEN cpu_to_le16(0x1)
589 #define AUTH_ENCRYPT cpu_to_le16(0x101)
590 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
591 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
601 /*---------- Power save operation ----------*/
602 __le16 powerSaveMode;
603 #define POWERSAVE_CAM cpu_to_le16(0)
604 #define POWERSAVE_PSP cpu_to_le16(1)
605 #define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
609 __le16 listenDecay;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
612 /*---------- Ap/Ibss config items ----------*/
613 __le16 beaconPeriod;
614 __le16 atimDuration;
615 __le16 hopPeriod;
616 __le16 channelSet;
617 __le16 channel;
618 __le16 dtimPeriod;
619 __le16 bridgeDistance;
620 __le16 radioID;
621 /*---------- Radio configuration ----------*/
622 __le16 radioType;
623 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
624 #define RADIOTYPE_802_11 cpu_to_le16(1)
625 #define RADIOTYPE_LEGACY cpu_to_le16(2)
626 u8 rxDiversity;
627 u8 txDiversity;
628 __le16 txPower;
629 #define TXPOWER_DEFAULT 0
630 __le16 rssiThreshold;
631 #define RSSI_DEFAULT 0
632 __le16 modulation;
633 #define PREAMBLE_AUTO cpu_to_le16(0)
634 #define PREAMBLE_LONG cpu_to_le16(1)
635 #define PREAMBLE_SHORT cpu_to_le16(2)
636 __le16 preamble;
637 __le16 homeProduct;
638 __le16 radioSpecific;
639 /*---------- Aironet Extensions ----------*/
640 u8 nodeName[16];
641 __le16 arlThreshold;
642 __le16 arlDecay;
643 __le16 arlDelay;
644 __le16 _reserved4[1];
645 /*---------- Aironet Extensions ----------*/
646 u8 magicAction;
647 #define MAGIC_ACTION_STSCHG 1
648 #define MAGIC_ACTION_RESUME 2
649 #define MAGIC_IGNORE_MCAST (1<<8)
650 #define MAGIC_IGNORE_BCAST (1<<9)
651 #define MAGIC_SWITCH_TO_PSP (0<<10)
652 #define MAGIC_STAY_IN_CAM (1<<10)
653 u8 magicControl;
654 __le16 autoWake;
655 } __packed;
656
657 typedef struct StatusRid StatusRid;
658 struct StatusRid {
659 __le16 len;
660 u8 mac[ETH_ALEN];
661 __le16 mode;
662 __le16 errorCode;
663 __le16 sigQuality;
664 __le16 SSIDlen;
665 char SSID[32];
666 char apName[16];
667 u8 bssid[4][ETH_ALEN];
668 __le16 beaconPeriod;
669 __le16 dimPeriod;
670 __le16 atimDuration;
671 __le16 hopPeriod;
672 __le16 channelSet;
673 __le16 channel;
674 __le16 hopsToBackbone;
675 __le16 apTotalLoad;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
683 u8 apIP[4];
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
690 __le16 load;
691 u8 carrier[4];
692 __le16 assocStatus;
693 #define STAT_NOPACKETS 0
694 #define STAT_NOCARRIERSET 10
695 #define STAT_GOTCARRIERSET 11
696 #define STAT_WRONGSSID 20
697 #define STAT_BADCHANNEL 25
698 #define STAT_BADBITRATES 30
699 #define STAT_BADPRIVACY 35
700 #define STAT_APFOUND 40
701 #define STAT_APREJECTED 50
702 #define STAT_AUTHENTICATING 60
703 #define STAT_DEAUTHENTICATED 61
704 #define STAT_AUTHTIMEOUT 62
705 #define STAT_ASSOCIATING 70
706 #define STAT_DEASSOCIATED 71
707 #define STAT_ASSOCTIMEOUT 72
708 #define STAT_NOTAIROAP 73
709 #define STAT_ASSOCIATED 80
710 #define STAT_LEAPING 90
711 #define STAT_LEAPFAILED 91
712 #define STAT_LEAPTIMEDOUT 92
713 #define STAT_LEAPCOMPLETE 93
714 } __packed;
715
716 typedef struct StatsRid StatsRid;
717 struct StatsRid {
718 __le16 len;
719 __le16 spacer;
720 __le32 vals[100];
721 } __packed;
722
723 typedef struct APListRid APListRid;
724 struct APListRid {
725 __le16 len;
726 u8 ap[4][ETH_ALEN];
727 } __packed;
728
729 typedef struct CapabilityRid CapabilityRid;
730 struct CapabilityRid {
731 __le16 len;
732 char oui[3];
733 char zero;
734 __le16 prodNum;
735 char manName[32];
736 char prodName[16];
737 char prodVer[8];
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
740 __le16 radioType;
741 __le16 country;
742 char callid[ETH_ALEN];
743 char supportedRates[8];
744 char rxDiversity;
745 char txDiversity;
746 __le16 txPowerLevels[8];
747 __le16 hardVer;
748 __le16 hardCap;
749 __le16 tempRange;
750 __le16 softVer;
751 __le16 softSubVer;
752 __le16 interfaceVer;
753 __le16 softCap;
754 __le16 bootBlockVer;
755 __le16 requiredHard;
756 __le16 extSoftCap;
757 } __packed;
758
759 /* Only present on firmware >= 5.30.17 */
760 typedef struct BSSListRidExtra BSSListRidExtra;
761 struct BSSListRidExtra {
762 __le16 unknown[4];
763 u8 fixed[12]; /* WLAN management frame */
764 u8 iep[624];
765 } __packed;
766
767 typedef struct BSSListRid BSSListRid;
768 struct BSSListRid {
769 __le16 len;
770 __le16 index; /* First is 0 and 0xffff means end of list */
771 #define RADIO_FH 1 /* Frequency hopping radio type */
772 #define RADIO_DS 2 /* Direct sequence radio type */
773 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
774 __le16 radioType;
775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
776 u8 zero;
777 u8 ssidLen;
778 u8 ssid[32];
779 __le16 dBm;
780 #define CAP_ESS cpu_to_le16(1<<0)
781 #define CAP_IBSS cpu_to_le16(1<<1)
782 #define CAP_PRIVACY cpu_to_le16(1<<4)
783 #define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 cap;
785 __le16 beaconInterval;
786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
788 __le16 dwell;
789 u8 hopSet;
790 u8 hopPattern;
791 u8 hopIndex;
792 u8 fill;
793 } fh;
794 __le16 dsChannel;
795 __le16 atimWindow;
796
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
799 } __packed;
800
801 typedef struct {
802 BSSListRid bss;
803 struct list_head list;
804 } BSSListElement;
805
806 typedef struct tdsRssiEntry tdsRssiEntry;
807 struct tdsRssiEntry {
808 u8 rssipct;
809 u8 rssidBm;
810 } __packed;
811
812 typedef struct tdsRssiRid tdsRssiRid;
813 struct tdsRssiRid {
814 u16 len;
815 tdsRssiEntry x[256];
816 } __packed;
817
818 typedef struct MICRid MICRid;
819 struct MICRid {
820 __le16 len;
821 __le16 state;
822 __le16 multicastValid;
823 u8 multicast[16];
824 __le16 unicastValid;
825 u8 unicast[16];
826 } __packed;
827
828 typedef struct MICBuffer MICBuffer;
829 struct MICBuffer {
830 __be16 typelen;
831
832 union {
833 u8 snap[8];
834 struct {
835 u8 dsap;
836 u8 ssap;
837 u8 control;
838 u8 orgcode[3];
839 u8 fieldtype[2];
840 } llc;
841 } u;
842 __be32 mic;
843 __be32 seq;
844 } __packed;
845
846 typedef struct {
847 u8 da[ETH_ALEN];
848 u8 sa[ETH_ALEN];
849 } etherHead;
850
851 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
852 #define TXCTL_TXEX (1<<2) /* report if tx fails */
853 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
854 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856 #define TXCTL_LLC (1<<4) /* payload is llc */
857 #define TXCTL_RELEASE (0<<5) /* release after completion */
858 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
859
860 #define BUSY_FID 0x10000
861
862 #ifdef CISCO_EXT
863 #define AIROMAGIC 0xa55a
864 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865 #ifdef SIOCIWFIRSTPRIV
866 #ifdef SIOCDEVPRIVATE
867 #define AIROOLDIOCTL SIOCDEVPRIVATE
868 #define AIROOLDIDIFC AIROOLDIOCTL + 1
869 #endif /* SIOCDEVPRIVATE */
870 #else /* SIOCIWFIRSTPRIV */
871 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872 #endif /* SIOCIWFIRSTPRIV */
873 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877 #define AIROIOCTL SIOCIWFIRSTPRIV
878 #define AIROIDIFC AIROIOCTL + 1
879
880 /* Ioctl constants to be used in airo_ioctl.command */
881
882 #define AIROGCAP 0 // Capability rid
883 #define AIROGCFG 1 // USED A LOT
884 #define AIROGSLIST 2 // System ID list
885 #define AIROGVLIST 3 // List of specified AP's
886 #define AIROGDRVNAM 4 // NOTUSED
887 #define AIROGEHTENC 5 // NOTUSED
888 #define AIROGWEPKTMP 6
889 #define AIROGWEPKNV 7
890 #define AIROGSTAT 8
891 #define AIROGSTATSC32 9
892 #define AIROGSTATSD32 10
893 #define AIROGMICRID 11
894 #define AIROGMICSTATS 12
895 #define AIROGFLAGS 13
896 #define AIROGID 14
897 #define AIRORRID 15
898 #define AIRORSWVERSION 17
899
900 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
901
902 #define AIROPCAP AIROGSTATSD32 + 40
903 #define AIROPVLIST AIROPCAP + 1
904 #define AIROPSLIST AIROPVLIST + 1
905 #define AIROPCFG AIROPSLIST + 1
906 #define AIROPSIDS AIROPCFG + 1
907 #define AIROPAPLIST AIROPSIDS + 1
908 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910 #define AIROPSTCLR AIROPMACOFF + 1
911 #define AIROPWEPKEY AIROPSTCLR + 1
912 #define AIROPWEPKEYNV AIROPWEPKEY + 1
913 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
914 #define AIROPLEAPUSR AIROPLEAPPWD + 1
915
916 /* Flash codes */
917
918 #define AIROFLSHRST AIROPWEPKEYNV + 40
919 #define AIROFLSHGCHR AIROFLSHRST + 1
920 #define AIROFLSHSTFL AIROFLSHGCHR + 1
921 #define AIROFLSHPCHR AIROFLSHSTFL + 1
922 #define AIROFLPUTBUF AIROFLSHPCHR + 1
923 #define AIRORESTART AIROFLPUTBUF + 1
924
925 #define FLASHSIZE 32768
926 #define AUXMEMSIZE (256 * 1024)
927
928 typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
933 } aironet_ioctl;
934
935 static const char swversion[] = "2.1";
936 #endif /* CISCO_EXT */
937
938 #define NUM_MODULES 2
939 #define MIC_MSGLEN_MAX 2400
940 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
941 #define AIRO_DEF_MTU 2312
942
943 typedef struct {
944 u32 size; // size
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
951 u32 reserve[32];
952 } mic_statistics;
953
954 typedef struct {
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
958 union {
959 u8 d8[4];
960 __be32 d32;
961 } part; // saves partial message word across update() calls
962 } emmh32_context;
963
964 typedef struct {
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
970 u8 key[16];
971 } miccntx;
972
973 typedef struct {
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
976 } mic_module;
977
978 typedef struct {
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983 } Rid;
984
985 typedef struct {
986 unsigned int offset: 15;
987 unsigned int eoc: 1;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
991 } TxFid;
992
993 struct rx_hdr {
994 __le16 status, len;
995 u8 rssi[2];
996 u8 rate;
997 u8 freq;
998 __le16 tmp[4];
999 } __packed;
1000
1001 typedef struct {
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1007 } RxFid;
1008
1009 /*
1010 * Host receive descriptor
1011 */
1012 typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 desc */
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 int pending;
1019 } HostRxDesc;
1020
1021 /*
1022 * Host transmit descriptor
1023 */
1024 typedef struct {
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 desc */
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1029 buffer */
1030 int pending;
1031 } HostTxDesc;
1032
1033 /*
1034 * Host RID descriptor
1035 */
1036 typedef struct {
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 descriptor */
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1041 buffer */
1042 } HostRidDesc;
1043
1044 typedef struct {
1045 u16 sw0;
1046 u16 sw1;
1047 u16 status;
1048 u16 len;
1049 #define HOST_SET (1 << 0)
1050 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056 #define HOST_RTS (1 << 9) /* Force RTS use */
1057 #define HOST_SHORT (1 << 10) /* Do short preamble */
1058 u16 ctl;
1059 u16 aid;
1060 u16 retries;
1061 u16 fill;
1062 } TxCtlHdr;
1063
1064 typedef struct {
1065 u16 ctl;
1066 u16 duration;
1067 char addr1[6];
1068 char addr2[6];
1069 char addr3[6];
1070 u16 seq;
1071 char addr4[6];
1072 } WifiHdr;
1073
1074
1075 typedef struct {
1076 TxCtlHdr ctlhdr;
1077 u16 fill1;
1078 u16 fill2;
1079 WifiHdr wifihdr;
1080 u16 gaplen;
1081 u16 status;
1082 } WifiCtlHdr;
1083
1084 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctlhdr = {
1086 .ctl = HOST_DONT_RLSE,
1087 }
1088 };
1089
1090 // A few details needed for WEP (Wireless Equivalent Privacy)
1091 #define MAX_KEY_SIZE 13 // 128 (?) bits
1092 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093 typedef struct wep_key_t {
1094 u16 len;
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1096 } wep_key_t;
1097
1098 /* List of Wireless Handlers (new API) */
1099 static const struct iw_handler_def airo_handler_def;
1100
1101 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1102
1103 struct airo_info;
1104
1105 static int get_dec_u16( char *buffer, int *start, int limit );
1106 static void OUT4500( struct airo_info *, u16 register, u16 value );
1107 static unsigned short IN4500( struct airo_info *, u16 register );
1108 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1109 static int enable_MAC(struct airo_info *ai, int lock);
1110 static void disable_MAC(struct airo_info *ai, int lock);
1111 static void enable_interrupts(struct airo_info*);
1112 static void disable_interrupts(struct airo_info*);
1113 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1115 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 int whichbap);
1117 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 int whichbap);
1119 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 int whichbap);
1121 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1130
1131 static int mpi_send_packet (struct net_device *dev);
1132 static void mpi_unmap_card(struct pci_dev *pci);
1133 static void mpi_receive_802_3(struct airo_info *ai);
1134 static void mpi_receive_802_11(struct airo_info *ai);
1135 static int waitbusy (struct airo_info *ai);
1136
1137 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1138 static int airo_thread(void *data);
1139 static void timer_func( struct net_device *dev );
1140 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1141 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1142 static void airo_read_wireless_stats (struct airo_info *local);
1143 #ifdef CISCO_EXT
1144 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1146 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1147 #endif /* CISCO_EXT */
1148 static void micinit(struct airo_info *ai);
1149 static int micsetup(struct airo_info *ai);
1150 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1152
1153 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1155
1156 static void airo_networks_free(struct airo_info *ai);
1157
1158 struct airo_info {
1159 struct net_device *dev;
1160 struct list_head dev_list;
1161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1163 #define MAX_FIDS 6
1164 #define MPI_MAX_FIDS 1
1165 u32 fids[MAX_FIDS];
1166 ConfigRid config;
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
1171 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173 #define FLAG_RADIO_MASK 0x03
1174 #define FLAG_ENABLED 2
1175 #define FLAG_ADHOC 3 /* Needed by MIC */
1176 #define FLAG_MIC_CAPABLE 4
1177 #define FLAG_UPDATE_MULTI 5
1178 #define FLAG_UPDATE_UNI 6
1179 #define FLAG_802_11 7
1180 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1181 #define FLAG_PENDING_XMIT 9
1182 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_MPI 11
1184 #define FLAG_REGISTERED 12
1185 #define FLAG_COMMIT 13
1186 #define FLAG_RESET 14
1187 #define FLAG_FLASHING 15
1188 #define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1190 #define JOB_DIE 0
1191 #define JOB_XMIT 1
1192 #define JOB_XMIT11 2
1193 #define JOB_STATS 3
1194 #define JOB_PROMISC 4
1195 #define JOB_MIC 5
1196 #define JOB_EVENT 6
1197 #define JOB_AUTOWEP 7
1198 #define JOB_WSTATS 8
1199 #define JOB_SCAN_RESULTS 9
1200 unsigned long jobs;
1201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 int whichbap);
1203 unsigned short *flash;
1204 tdsRssiEntry *rssi;
1205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
1207 struct semaphore sem;
1208 wait_queue_head_t thr_wait;
1209 unsigned long expires;
1210 struct {
1211 struct sk_buff *skb;
1212 int fid;
1213 } xmit, xmit11;
1214 struct net_device *wifidev;
1215 struct iw_statistics wstats; // wireless stats
1216 unsigned long scan_timeout; /* Time scan should be read */
1217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
1219 /* MIC stuff */
1220 struct crypto_cipher *tfm;
1221 mic_module mod[2];
1222 mic_statistics micstats;
1223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
1233 pm_message_t power;
1234 SsidRid *SSID;
1235 APListRid *APList;
1236 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
1238
1239 int wep_capable;
1240 int max_wep_idx;
1241
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1246
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1250 };
1251
1252 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1254 {
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1256 }
1257
1258 static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260 static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1262
1263 static int cmdreset(struct airo_info *ai);
1264 static int setflashmode (struct airo_info *ai);
1265 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266 static int flashputbuf(struct airo_info *ai);
1267 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1268
1269 #define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1271
1272 #define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1274
1275 #define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1277
1278 #define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1280
1281 #define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1283
1284 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1285
1286 /***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1289 */
1290
1291 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292 static void MoveWindow(miccntx *context, u32 micSeq);
1293 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295 static void emmh32_init(emmh32_context *context);
1296 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1299
1300 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1302 {
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1305 */
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1308
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1311
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1318
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1321 }
1322
1323 /* micinit - Initialize mic seed */
1324
1325 static void micinit(struct airo_info *ai)
1326 {
1327 MICRid mic_rid;
1328
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1332
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1337 */
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1340 return;
1341 }
1342
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1347 }
1348
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
1353 }
1354 }
1355
1356 /* micsetup - Get ready for business */
1357
1358 static int micsetup(struct airo_info *ai) {
1359 int i;
1360
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1363
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1366 ai->tfm = NULL;
1367 return ERROR;
1368 }
1369
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1373 }
1374 return SUCCESS;
1375 }
1376
1377 static 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 readAPListRid(struct airo_info *ai, APListRid *aplr)
1852 {
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1854 }
1855
1856 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1857 {
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1859 }
1860
1861 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1862 {
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1864 }
1865
1866 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1867 {
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1869 }
1870
1871 static void try_auto_wep(struct airo_info *ai)
1872 {
1873 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1876 }
1877 }
1878
1879 static int airo_open(struct net_device *dev) {
1880 struct airo_info *ai = dev->ml_priv;
1881 int rc = 0;
1882
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1884 return -EIO;
1885
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet committed, do it now - Jean II */
1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 disable_MAC(ai, 1);
1892 writeConfigRid(ai, 1);
1893 }
1894
1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1900
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 dev->name, dev);
1903 if (rc) {
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1906 dev->irq, rc);
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1909 return rc;
1910 }
1911
1912 /* Power on the MAC controller (which may have been disabled) */
1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1915
1916 try_auto_wep(ai);
1917 }
1918 enable_MAC(ai, 1);
1919
1920 netif_start_queue(dev);
1921 return 0;
1922 }
1923
1924 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1926 {
1927 int npacks, pending;
1928 unsigned long flags;
1929 struct airo_info *ai = dev->ml_priv;
1930
1931 if (!skb) {
1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1933 return NETDEV_TX_OK;
1934 }
1935 npacks = skb_queue_len (&ai->txq);
1936
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1942 }
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
1945 }
1946
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1952
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1956 }
1957 return NETDEV_TX_OK;
1958 }
1959
1960 /*
1961 * @mpi_send_packet
1962 *
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1965 */
1966
1967 static int mpi_send_packet (struct net_device *dev)
1968 {
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1971 s16 len;
1972 __le16 *payloadLen;
1973 struct airo_info *ai = dev->ml_priv;
1974 u8 *sendbuf;
1975
1976 /* get a packet to send */
1977
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1981 __func__);
1982 return 0;
1983 }
1984
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1988
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1993
1994 /*
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediately after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2000 */
2001
2002 memcpy(ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2009
2010 /*
2011 * Firmware automatically puts 802 header on so
2012 * we don't need to account for it in the length
2013 */
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2016 MICBuffer pMic;
2017
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2020
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030 } else {
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2032
2033 dev->trans_start = jiffies;
2034
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2037 }
2038
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2041
2042 OUT4500(ai, EVACK, 8);
2043
2044 dev_kfree_skb_any(skb);
2045 return 1;
2046 }
2047
2048 static void get_tx_error(struct airo_info *ai, s32 fid)
2049 {
2050 __le16 status;
2051
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2058 }
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2064 { }
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2068 { }
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2077
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2082
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2093
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2096 }
2097 }
2098
2099 static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2106
2107 clear_bit(JOB_XMIT, &priv->jobs);
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2111
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
2118 dev->stats.tx_window_errors++;
2119 }
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2123 }
2124
2125 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2127 {
2128 s16 len;
2129 int i, j;
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2132
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
2136 }
2137
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2141
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2144
2145 if (i == MAX_FIDS / 2) {
2146 dev->stats.tx_fifo_errors++;
2147 return NETDEV_TX_BUSY;
2148 }
2149 }
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2155 priv->xmit.fid = i;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
2159 set_bit(JOB_XMIT, &priv->jobs);
2160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
2163 return NETDEV_TX_OK;
2164 }
2165
2166 static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
2169 struct airo_info *priv = dev->ml_priv;
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2173
2174 clear_bit(JOB_XMIT11, &priv->jobs);
2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177 up(&priv->sem);
2178
2179 i = MAX_FIDS / 2;
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 } else {
2184 priv->fids[fid] &= 0xffff;
2185 dev->stats.tx_window_errors++;
2186 }
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2190 }
2191
2192 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2194 {
2195 s16 len;
2196 int i, j;
2197 struct airo_info *priv = dev->ml_priv;
2198 u32 *fids = priv->fids;
2199
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
2205 }
2206
2207 if ( skb == NULL ) {
2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2209 return NETDEV_TX_OK;
2210 }
2211
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2215
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2218
2219 if (i == MAX_FIDS) {
2220 dev->stats.tx_fifo_errors++;
2221 return NETDEV_TX_BUSY;
2222 }
2223 }
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
2233 set_bit(JOB_XMIT11, &priv->jobs);
2234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
2237 return NETDEV_TX_OK;
2238 }
2239
2240 static void airo_read_stats(struct net_device *dev)
2241 {
2242 struct airo_info *ai = dev->ml_priv;
2243 StatsRid stats_rid;
2244 __le32 *vals = stats_rid.vals;
2245
2246 clear_bit(JOB_STATS, &ai->jobs);
2247 if (ai->power.event) {
2248 up(&ai->sem);
2249 return;
2250 }
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2253
2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2255 le32_to_cpu(vals[45]);
2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2257 le32_to_cpu(vals[41]);
2258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
2266
2267 /* detailed rx_errors: */
2268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2272 }
2273
2274 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2275 {
2276 struct airo_info *local = dev->ml_priv;
2277
2278 if (!test_bit(JOB_STATS, &local->jobs)) {
2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
2281 set_bit(JOB_STATS, &local->jobs);
2282 wake_up_interruptible(&local->thr_wait);
2283 } else
2284 airo_read_stats(dev);
2285 }
2286
2287 return &dev->stats;
2288 }
2289
2290 static void airo_set_promisc(struct airo_info *ai) {
2291 Cmd cmd;
2292 Resp rsp;
2293
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
2296 clear_bit(JOB_PROMISC, &ai->jobs);
2297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2299 up(&ai->sem);
2300 }
2301
2302 static void airo_set_multicast_list(struct net_device *dev) {
2303 struct airo_info *ai = dev->ml_priv;
2304
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
2308 set_bit(JOB_PROMISC, &ai->jobs);
2309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2312 }
2313
2314 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
2315 /* Turn on multicast. (Should be already setup...) */
2316 }
2317 }
2318
2319 static int airo_set_mac_address(struct net_device *dev, void *p)
2320 {
2321 struct airo_info *ai = dev->ml_priv;
2322 struct sockaddr *addr = p;
2323
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2327 disable_MAC(ai, 1);
2328 writeConfigRid (ai, 1);
2329 enable_MAC(ai, 1);
2330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 if (ai->wifidev)
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333 return 0;
2334 }
2335
2336 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2337 {
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2339 return -EINVAL;
2340 dev->mtu = new_mtu;
2341 return 0;
2342 }
2343
2344 static LIST_HEAD(airo_devices);
2345
2346 static void add_airo_dev(struct airo_info *ai)
2347 {
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2352 }
2353
2354 static void del_airo_dev(struct airo_info *ai)
2355 {
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2358 }
2359
2360 static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
2362
2363 netif_stop_queue(dev);
2364
2365 if (ai->wifidev != dev) {
2366 #ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374 #endif
2375 disable_interrupts( ai );
2376
2377 free_irq(dev->irq, dev);
2378
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2381 }
2382 return 0;
2383 }
2384
2385 void stop_airo_card( struct net_device *dev, int freeres )
2386 {
2387 struct airo_info *ai = dev->ml_priv;
2388
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2399 }
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2401 }
2402 /*
2403 * Clean out tx queue
2404 */
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2409 }
2410
2411 airo_networks_free (ai);
2412
2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
2417 if (freeres) {
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 if (ai->pci)
2422 mpi_unmap_card(ai->pci);
2423 if (ai->pcimem)
2424 iounmap(ai->pcimem);
2425 if (ai->pciaux)
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2429 }
2430 }
2431 crypto_free_cipher(ai->tfm);
2432 del_airo_dev(ai);
2433 free_netdev( dev );
2434 }
2435
2436 EXPORT_SYMBOL(stop_airo_card);
2437
2438 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2439 {
2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2441 return ETH_ALEN;
2442 }
2443
2444 static void mpi_unmap_card(struct pci_dev *pci)
2445 {
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2450
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2453 }
2454
2455 /*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2461 */
2462 static int mpi_init_descriptors (struct airo_info *ai)
2463 {
2464 Cmd cmd;
2465 Resp rsp;
2466 int i;
2467 int rc = SUCCESS;
2468
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_RX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2482 return rc;
2483 }
2484
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2488 }
2489
2490 /* Alloc card TX descriptors */
2491
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2494
2495 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm0 = FID_TX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2499
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2504 }
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2506
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2510 return rc;
2511 }
2512
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2516
2517 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm0 = RID_RW;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2524 return rc;
2525 }
2526
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2529
2530 return rc;
2531 }
2532
2533 /*
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issuing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2538 */
2539 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2540 {
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
2546 unsigned char __iomem *pciaddroff;
2547
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2552
2553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
2556 goto out;
2557 }
2558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
2561 goto free_region1;
2562 }
2563
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
2568 goto free_region2;
2569 }
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
2574 goto free_memmap;
2575 }
2576
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 if (!ai->shared) {
2580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
2582 goto free_auxmap;
2583 }
2584
2585 /*
2586 * Setup descriptor RX, TX, CONFIG
2587 */
2588 busaddroff = ai->shared_dma;
2589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2591
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2601
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2605 }
2606
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
2613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2615
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2619 }
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2621
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
2627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2633
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2636 goto free_shared;
2637
2638 return 0;
2639 free_shared:
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642 iounmap(ai->pciaux);
2643 free_memmap:
2644 iounmap(ai->pcimem);
2645 free_region2:
2646 release_mem_region(aux_start, aux_len);
2647 free_region1:
2648 release_mem_region(mem_start, mem_len);
2649 out:
2650 return rc;
2651 }
2652
2653 static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2655 };
2656
2657 static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2665 };
2666
2667 static void wifi_setup(struct net_device *dev)
2668 {
2669 dev->netdev_ops = &airo11_netdev_ops;
2670 dev->header_ops = &airo_header_ops;
2671 dev->wireless_handlers = &airo_handler_def;
2672
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
2675 dev->mtu = AIRO_DEF_MTU;
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2678
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2680
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2682 }
2683
2684 static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2686 {
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2689 if (!dev)
2690 return NULL;
2691 dev->ml_priv = ethdev->ml_priv;
2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
2694 dev->wireless_data = ethdev->wireless_data;
2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2701 }
2702 return dev;
2703 }
2704
2705 static int reset_card( struct net_device *dev , int lock) {
2706 struct airo_info *ai = dev->ml_priv;
2707
2708 if (lock && down_interruptible(&ai->sem))
2709 return -1;
2710 waitbusy (ai);
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 msleep(200);
2713 waitbusy (ai);
2714 msleep(200);
2715 if (lock)
2716 up(&ai->sem);
2717 return 0;
2718 }
2719
2720 #define AIRO_MAX_NETWORK_COUNT 64
2721 static int airo_networks_allocate(struct airo_info *ai)
2722 {
2723 if (ai->networks)
2724 return 0;
2725
2726 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
2727 GFP_KERNEL);
2728 if (!ai->networks) {
2729 airo_print_warn("", "Out of memory allocating beacons");
2730 return -ENOMEM;
2731 }
2732
2733 return 0;
2734 }
2735
2736 static void airo_networks_free(struct airo_info *ai)
2737 {
2738 kfree(ai->networks);
2739 ai->networks = NULL;
2740 }
2741
2742 static void airo_networks_initialize(struct airo_info *ai)
2743 {
2744 int i;
2745
2746 INIT_LIST_HEAD(&ai->network_free_list);
2747 INIT_LIST_HEAD(&ai->network_list);
2748 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2749 list_add_tail(&ai->networks[i].list,
2750 &ai->network_free_list);
2751 }
2752
2753 static const struct net_device_ops airo_netdev_ops = {
2754 .ndo_open = airo_open,
2755 .ndo_stop = airo_close,
2756 .ndo_start_xmit = airo_start_xmit,
2757 .ndo_get_stats = airo_get_stats,
2758 .ndo_set_rx_mode = airo_set_multicast_list,
2759 .ndo_set_mac_address = airo_set_mac_address,
2760 .ndo_do_ioctl = airo_ioctl,
2761 .ndo_change_mtu = airo_change_mtu,
2762 .ndo_validate_addr = eth_validate_addr,
2763 };
2764
2765 static const struct net_device_ops mpi_netdev_ops = {
2766 .ndo_open = airo_open,
2767 .ndo_stop = airo_close,
2768 .ndo_start_xmit = mpi_start_xmit,
2769 .ndo_get_stats = airo_get_stats,
2770 .ndo_set_rx_mode = airo_set_multicast_list,
2771 .ndo_set_mac_address = airo_set_mac_address,
2772 .ndo_do_ioctl = airo_ioctl,
2773 .ndo_change_mtu = airo_change_mtu,
2774 .ndo_validate_addr = eth_validate_addr,
2775 };
2776
2777
2778 static struct net_device *_init_airo_card( unsigned short irq, int port,
2779 int is_pcmcia, struct pci_dev *pci,
2780 struct device *dmdev )
2781 {
2782 struct net_device *dev;
2783 struct airo_info *ai;
2784 int i, rc;
2785 CapabilityRid cap_rid;
2786
2787 /* Create the network device object. */
2788 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2789 if (!dev) {
2790 airo_print_err("", "Couldn't alloc_etherdev");
2791 return NULL;
2792 }
2793
2794 ai = dev->ml_priv = netdev_priv(dev);
2795 ai->wifidev = NULL;
2796 ai->flags = 1 << FLAG_RADIO_DOWN;
2797 ai->jobs = 0;
2798 ai->dev = dev;
2799 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2800 airo_print_dbg("", "Found an MPI350 card");
2801 set_bit(FLAG_MPI, &ai->flags);
2802 }
2803 spin_lock_init(&ai->aux_lock);
2804 sema_init(&ai->sem, 1);
2805 ai->config.len = 0;
2806 ai->pci = pci;
2807 init_waitqueue_head (&ai->thr_wait);
2808 ai->tfm = NULL;
2809 add_airo_dev(ai);
2810
2811 if (airo_networks_allocate (ai))
2812 goto err_out_free;
2813 airo_networks_initialize (ai);
2814
2815 skb_queue_head_init (&ai->txq);
2816
2817 /* The Airo-specific entries in the device structure. */
2818 if (test_bit(FLAG_MPI,&ai->flags))
2819 dev->netdev_ops = &mpi_netdev_ops;
2820 else
2821 dev->netdev_ops = &airo_netdev_ops;
2822 dev->wireless_handlers = &airo_handler_def;
2823 ai->wireless_data.spy_data = &ai->spy_data;
2824 dev->wireless_data = &ai->wireless_data;
2825 dev->irq = irq;
2826 dev->base_addr = port;
2827 dev->priv_flags &= ~IFF_TX_SKB_SHARING;
2828
2829 SET_NETDEV_DEV(dev, dmdev);
2830
2831 reset_card (dev, 1);
2832 msleep(400);
2833
2834 if (!is_pcmcia) {
2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 rc = -EBUSY;
2837 airo_print_err(dev->name, "Couldn't request region");
2838 goto err_out_nets;
2839 }
2840 }
2841
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
2845 goto err_out_res;
2846 }
2847 }
2848
2849 if (probe) {
2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2851 airo_print_err(dev->name, "MAC could not be enabled" );
2852 rc = -EIO;
2853 goto err_out_map;
2854 }
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2858 }
2859
2860 strcpy(dev->name, "eth%d");
2861 rc = register_netdev(dev);
2862 if (rc) {
2863 airo_print_err(dev->name, "Couldn't register_netdev");
2864 goto err_out_map;
2865 }
2866 ai->wifidev = init_wifidev(ai, dev);
2867 if (!ai->wifidev)
2868 goto err_out_reg;
2869
2870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2872 rc = -EIO;
2873 goto err_out_wifi;
2874 }
2875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2878
2879 airo_print_info(dev->name, "Firmware version %x.%x.%02d",
2880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2883
2884 /* Test for WPA support */
2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2890
2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2895 } else {
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2898
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 }
2903
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2906
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911
2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2913 goto err_out_wifi;
2914
2915 return dev;
2916
2917 err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920 err_out_reg:
2921 unregister_netdev(dev);
2922 err_out_map:
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2928 }
2929 err_out_res:
2930 if (!is_pcmcia)
2931 release_region( dev->base_addr, 64 );
2932 err_out_nets:
2933 airo_networks_free(ai);
2934 err_out_free:
2935 del_airo_dev(ai);
2936 free_netdev(dev);
2937 return NULL;
2938 }
2939
2940 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2942 {
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2944 }
2945
2946 EXPORT_SYMBOL(init_airo_card);
2947
2948 static int waitbusy (struct airo_info *ai) {
2949 int delay = 0;
2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2951 udelay (10);
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 }
2955 return delay < 10000;
2956 }
2957
2958 int reset_airo_card( struct net_device *dev )
2959 {
2960 int i;
2961 struct airo_info *ai = dev->ml_priv;
2962
2963 if (reset_card (dev, 1))
2964 return -1;
2965
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2967 airo_print_err(dev->name, "MAC could not be enabled");
2968 return -1;
2969 }
2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2975
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2978 return 0;
2979 }
2980
2981 EXPORT_SYMBOL(reset_airo_card);
2982
2983 static void airo_send_event(struct net_device *dev) {
2984 struct airo_info *ai = dev->ml_priv;
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2987
2988 clear_bit(JOB_EVENT, &ai->jobs);
2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 up(&ai->sem);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2998 }
2999
3000 static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3002 BSSListRid bss;
3003 int rc;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3006
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3012 }
3013
3014 /* Try to read the first entry of the scan result */
3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3017 /* No scan results */
3018 goto out;
3019 }
3020
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3029 }
3030
3031 if (tmp_net != NULL) {
3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3035 }
3036
3037 /* Read next entry */
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
3040 }
3041
3042 out:
3043 ai->scan_timeout = 0;
3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3045 up(&ai->sem);
3046
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3057 }
3058
3059 static int airo_thread(void *data) {
3060 struct net_device *dev = data;
3061 struct airo_info *ai = dev->ml_priv;
3062 int locked;
3063
3064 set_freezable();
3065 while(1) {
3066 /* make swsusp happy with our thread */
3067 try_to_freeze();
3068
3069 if (test_bit(JOB_DIE, &ai->jobs))
3070 break;
3071
3072 if (ai->jobs) {
3073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3076
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
3081 if (ai->jobs)
3082 break;
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3091 break;
3092 }
3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
3095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3098 ai->scan_timeout);
3099 } else {
3100 wake_at = min(ai->expires,
3101 ai->scan_timeout);
3102 }
3103 schedule_timeout(wake_at - jiffies);
3104 continue;
3105 }
3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
3108 schedule();
3109 continue;
3110 }
3111 break;
3112 }
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3115 locked = 1;
3116 }
3117
3118 if (locked)
3119 continue;
3120
3121 if (test_bit(JOB_DIE, &ai->jobs)) {
3122 up(&ai->sem);
3123 break;
3124 }
3125
3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3127 up(&ai->sem);
3128 continue;
3129 }
3130
3131 if (test_bit(JOB_XMIT, &ai->jobs))
3132 airo_end_xmit(dev);
3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
3134 airo_end_xmit11(dev);
3135 else if (test_bit(JOB_STATS, &ai->jobs))
3136 airo_read_stats(dev);
3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
3138 airo_read_wireless_stats(ai);
3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
3140 airo_set_promisc(ai);
3141 else if (test_bit(JOB_MIC, &ai->jobs))
3142 micinit(ai);
3143 else if (test_bit(JOB_EVENT, &ai->jobs))
3144 airo_send_event(dev);
3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 timer_func(dev);
3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
3151 }
3152
3153 return 0;
3154 }
3155
3156 static int header_len(__le16 ctl)
3157 {
3158 u16 fc = le16_to_cpu(ctl);
3159 switch (fc & 0xc) {
3160 case 4:
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3164 case 8:
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3167 }
3168 return 24;
3169 }
3170
3171 static void airo_handle_cisco_mic(struct airo_info *ai)
3172 {
3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3176 }
3177 }
3178
3179 /* Airo Status codes */
3180 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC 0x0400 /* Associated */
3190 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3191
3192 static void airo_print_status(const char *devname, u16 status)
3193 {
3194 u8 reason = status & 0xFF;
3195
3196 switch (status & 0xFF00) {
3197 case STAT_NOBEACON:
3198 switch (status) {
3199 case STAT_NOBEACON:
3200 airo_print_dbg(devname, "link lost (missed beacons)");
3201 break;
3202 case STAT_MAXRETRIES:
3203 case STAT_MAXARL:
3204 airo_print_dbg(devname, "link lost (max retries)");
3205 break;
3206 case STAT_FORCELOSS:
3207 airo_print_dbg(devname, "link lost (local choice)");
3208 break;
3209 case STAT_TSFSYNC:
3210 airo_print_dbg(devname, "link lost (TSF sync lost)");
3211 break;
3212 default:
3213 airo_print_dbg(devname, "unknow status %x\n", status);
3214 break;
3215 }
3216 break;
3217 case STAT_DEAUTH:
3218 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3219 break;
3220 case STAT_DISASSOC:
3221 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3222 break;
3223 case STAT_ASSOC_FAIL:
3224 airo_print_dbg(devname, "association failed (reason: %d)",
3225 reason);
3226 break;
3227 case STAT_AUTH_FAIL:
3228 airo_print_dbg(devname, "authentication failed (reason: %d)",
3229 reason);
3230 break;
3231 case STAT_ASSOC:
3232 case STAT_REASSOC:
3233 break;
3234 default:
3235 airo_print_dbg(devname, "unknow status %x\n", status);
3236 break;
3237 }
3238 }
3239
3240 static void airo_handle_link(struct airo_info *ai)
3241 {
3242 union iwreq_data wrqu;
3243 int scan_forceloss = 0;
3244 u16 status;
3245
3246 /* Get new status and acknowledge the link change */
3247 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3248 OUT4500(ai, EVACK, EV_LINK);
3249
3250 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3251 scan_forceloss = 1;
3252
3253 airo_print_status(ai->dev->name, status);
3254
3255 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3256 if (auto_wep)
3257 ai->expires = 0;
3258 if (ai->list_bss_task)
3259 wake_up_process(ai->list_bss_task);
3260 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3261 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3262
3263 if (down_trylock(&ai->sem) != 0) {
3264 set_bit(JOB_EVENT, &ai->jobs);
3265 wake_up_interruptible(&ai->thr_wait);
3266 } else
3267 airo_send_event(ai->dev);
3268 } else if (!scan_forceloss) {
3269 if (auto_wep && !ai->expires) {
3270 ai->expires = RUN_AT(3*HZ);
3271 wake_up_interruptible(&ai->thr_wait);
3272 }
3273
3274 /* Send event to user space */
3275 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3276 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3277 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3278 }
3279 }
3280
3281 static void airo_handle_rx(struct airo_info *ai)
3282 {
3283 struct sk_buff *skb = NULL;
3284 __le16 fc, v, *buffer, tmpbuf[4];
3285 u16 len, hdrlen = 0, gap, fid;
3286 struct rx_hdr hdr;
3287 int success = 0;
3288
3289 if (test_bit(FLAG_MPI, &ai->flags)) {
3290 if (test_bit(FLAG_802_11, &ai->flags))
3291 mpi_receive_802_11(ai);
3292 else
3293 mpi_receive_802_3(ai);
3294 OUT4500(ai, EVACK, EV_RX);
3295 return;
3296 }
3297
3298 fid = IN4500(ai, RXFID);
3299
3300 /* Get the packet length */
3301 if (test_bit(FLAG_802_11, &ai->flags)) {
3302 bap_setup (ai, fid, 4, BAP0);
3303 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3304 /* Bad CRC. Ignore packet */
3305 if (le16_to_cpu(hdr.status) & 2)
3306 hdr.len = 0;
3307 if (ai->wifidev == NULL)
3308 hdr.len = 0;
3309 } else {
3310 bap_setup(ai, fid, 0x36, BAP0);
3311 bap_read(ai, &hdr.len, 2, BAP0);
3312 }
3313 len = le16_to_cpu(hdr.len);
3314
3315 if (len > AIRO_DEF_MTU) {
3316 airo_print_err(ai->dev->name, "Bad size %d", len);
3317 goto done;
3318 }
3319 if (len == 0)
3320 goto done;
3321
3322 if (test_bit(FLAG_802_11, &ai->flags)) {
3323 bap_read(ai, &fc, sizeof (fc), BAP0);
3324 hdrlen = header_len(fc);
3325 } else
3326 hdrlen = ETH_ALEN * 2;
3327
3328 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3329 if (!skb) {
3330 ai->dev->stats.rx_dropped++;
3331 goto done;
3332 }
3333
3334 skb_reserve(skb, 2); /* This way the IP header is aligned */
3335 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3336 if (test_bit(FLAG_802_11, &ai->flags)) {
3337 buffer[0] = fc;
3338 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3339 if (hdrlen == 24)
3340 bap_read(ai, tmpbuf, 6, BAP0);
3341
3342 bap_read(ai, &v, sizeof(v), BAP0);
3343 gap = le16_to_cpu(v);
3344 if (gap) {
3345 if (gap <= 8) {
3346 bap_read(ai, tmpbuf, gap, BAP0);
3347 } else {
3348 airo_print_err(ai->dev->name, "gaplen too "
3349 "big. Problems will follow...");
3350 }
3351 }
3352 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3353 } else {
3354 MICBuffer micbuf;
3355
3356 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3357 if (ai->micstats.enabled) {
3358 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3359 if (ntohs(micbuf.typelen) > 0x05DC)
3360 bap_setup(ai, fid, 0x44, BAP0);
3361 else {
3362 if (len <= sizeof (micbuf)) {
3363 dev_kfree_skb_irq(skb);
3364 goto done;
3365 }
3366
3367 len -= sizeof(micbuf);
3368 skb_trim(skb, len + hdrlen);
3369 }
3370 }
3371
3372 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3373 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3374 dev_kfree_skb_irq (skb);
3375 else
3376 success = 1;
3377 }
3378
3379 #ifdef WIRELESS_SPY
3380 if (success && (ai->spy_data.spy_number > 0)) {
3381 char *sa;
3382 struct iw_quality wstats;
3383
3384 /* Prepare spy data : addr + qual */
3385 if (!test_bit(FLAG_802_11, &ai->flags)) {
3386 sa = (char *) buffer + 6;
3387 bap_setup(ai, fid, 8, BAP0);
3388 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3389 } else
3390 sa = (char *) buffer + 10;
3391 wstats.qual = hdr.rssi[0];
3392 if (ai->rssi)
3393 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3394 else
3395 wstats.level = (hdr.rssi[1] + 321) / 2;
3396 wstats.noise = ai->wstats.qual.noise;
3397 wstats.updated = IW_QUAL_LEVEL_UPDATED
3398 | IW_QUAL_QUAL_UPDATED
3399 | IW_QUAL_DBM;
3400 /* Update spy records */
3401 wireless_spy_update(ai->dev, sa, &wstats);
3402 }
3403 #endif /* WIRELESS_SPY */
3404
3405 done:
3406 OUT4500(ai, EVACK, EV_RX);
3407
3408 if (success) {
3409 if (test_bit(FLAG_802_11, &ai->flags)) {
3410 skb_reset_mac_header(skb);
3411 skb->pkt_type = PACKET_OTHERHOST;
3412 skb->dev = ai->wifidev;
3413 skb->protocol = htons(ETH_P_802_2);
3414 } else
3415 skb->protocol = eth_type_trans(skb, ai->dev);
3416 skb->ip_summed = CHECKSUM_NONE;
3417
3418 netif_rx(skb);
3419 }
3420 }
3421
3422 static void airo_handle_tx(struct airo_info *ai, u16 status)
3423 {
3424 int i, len = 0, index = -1;
3425 u16 fid;
3426
3427 if (test_bit(FLAG_MPI, &ai->flags)) {
3428 unsigned long flags;
3429
3430 if (status & EV_TXEXC)
3431 get_tx_error(ai, -1);
3432
3433 spin_lock_irqsave(&ai->aux_lock, flags);
3434 if (!skb_queue_empty(&ai->txq)) {
3435 spin_unlock_irqrestore(&ai->aux_lock,flags);
3436 mpi_send_packet(ai->dev);
3437 } else {
3438 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3439 spin_unlock_irqrestore(&ai->aux_lock,flags);
3440 netif_wake_queue(ai->dev);
3441 }
3442 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3443 return;
3444 }
3445
3446 fid = IN4500(ai, TXCOMPLFID);
3447
3448 for(i = 0; i < MAX_FIDS; i++) {
3449 if ((ai->fids[i] & 0xffff) == fid) {
3450 len = ai->fids[i] >> 16;
3451 index = i;
3452 }
3453 }
3454
3455 if (index != -1) {
3456 if (status & EV_TXEXC)
3457 get_tx_error(ai, index);
3458
3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3460
3461 /* Set up to be used again */
3462 ai->fids[index] &= 0xffff;
3463 if (index < MAX_FIDS / 2) {
3464 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3465 netif_wake_queue(ai->dev);
3466 } else {
3467 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3468 netif_wake_queue(ai->wifidev);
3469 }
3470 } else {
3471 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3472 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3473 }
3474 }
3475
3476 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3477 {
3478 struct net_device *dev = dev_id;
3479 u16 status, savedInterrupts = 0;
3480 struct airo_info *ai = dev->ml_priv;
3481 int handled = 0;
3482
3483 if (!netif_device_present(dev))
3484 return IRQ_NONE;
3485
3486 for (;;) {
3487 status = IN4500(ai, EVSTAT);
3488 if (!(status & STATUS_INTS) || (status == 0xffff))
3489 break;
3490
3491 handled = 1;
3492
3493 if (status & EV_AWAKE) {
3494 OUT4500(ai, EVACK, EV_AWAKE);
3495 OUT4500(ai, EVACK, EV_AWAKE);
3496 }
3497
3498 if (!savedInterrupts) {
3499 savedInterrupts = IN4500(ai, EVINTEN);
3500 OUT4500(ai, EVINTEN, 0);
3501 }
3502
3503 if (status & EV_MIC) {
3504 OUT4500(ai, EVACK, EV_MIC);
3505 airo_handle_cisco_mic(ai);
3506 }
3507
3508 if (status & EV_LINK) {
3509 /* Link status changed */
3510 airo_handle_link(ai);
3511 }
3512
3513 /* Check to see if there is something to receive */
3514 if (status & EV_RX)
3515 airo_handle_rx(ai);
3516
3517 /* Check to see if a packet has been transmitted */
3518 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3519 airo_handle_tx(ai, status);
3520
3521 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3522 airo_print_warn(ai->dev->name, "Got weird status %x",
3523 status & ~STATUS_INTS & ~IGNORE_INTS );
3524 }
3525 }
3526
3527 if (savedInterrupts)
3528 OUT4500(ai, EVINTEN, savedInterrupts);
3529
3530 return IRQ_RETVAL(handled);
3531 }
3532
3533 /*
3534 * Routines to talk to the card
3535 */
3536
3537 /*
3538 * This was originally written for the 4500, hence the name
3539 * NOTE: If use with 8bit mode and SMP bad things will happen!
3540 * Why would some one do 8 bit IO in an SMP machine?!?
3541 */
3542 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3543 if (test_bit(FLAG_MPI,&ai->flags))
3544 reg <<= 1;
3545 if ( !do8bitIO )
3546 outw( val, ai->dev->base_addr + reg );
3547 else {
3548 outb( val & 0xff, ai->dev->base_addr + reg );
3549 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3550 }
3551 }
3552
3553 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3554 unsigned short rc;
3555
3556 if (test_bit(FLAG_MPI,&ai->flags))
3557 reg <<= 1;
3558 if ( !do8bitIO )
3559 rc = inw( ai->dev->base_addr + reg );
3560 else {
3561 rc = inb( ai->dev->base_addr + reg );
3562 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3563 }
3564 return rc;
3565 }
3566
3567 static int enable_MAC(struct airo_info *ai, int lock)
3568 {
3569 int rc;
3570 Cmd cmd;
3571 Resp rsp;
3572
3573 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3574 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3575 * Note : we could try to use !netif_running(dev) in enable_MAC()
3576 * instead of this flag, but I don't trust it *within* the
3577 * open/close functions, and testing both flags together is
3578 * "cheaper" - Jean II */
3579 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3580
3581 if (lock && down_interruptible(&ai->sem))
3582 return -ERESTARTSYS;
3583
3584 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3585 memset(&cmd, 0, sizeof(cmd));
3586 cmd.cmd = MAC_ENABLE;
3587 rc = issuecommand(ai, &cmd, &rsp);
3588 if (rc == SUCCESS)
3589 set_bit(FLAG_ENABLED, &ai->flags);
3590 } else
3591 rc = SUCCESS;
3592
3593 if (lock)
3594 up(&ai->sem);
3595
3596 if (rc)
3597 airo_print_err(ai->dev->name, "Cannot enable MAC");
3598 else if ((rsp.status & 0xFF00) != 0) {
3599 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3600 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3601 rc = ERROR;
3602 }
3603 return rc;
3604 }
3605
3606 static void disable_MAC( struct airo_info *ai, int lock ) {
3607 Cmd cmd;
3608 Resp rsp;
3609
3610 if (lock && down_interruptible(&ai->sem))
3611 return;
3612
3613 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3614 memset(&cmd, 0, sizeof(cmd));
3615 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3616 issuecommand(ai, &cmd, &rsp);
3617 clear_bit(FLAG_ENABLED, &ai->flags);
3618 }
3619 if (lock)
3620 up(&ai->sem);
3621 }
3622
3623 static void enable_interrupts( struct airo_info *ai ) {
3624 /* Enable the interrupts */
3625 OUT4500( ai, EVINTEN, STATUS_INTS );
3626 }
3627
3628 static void disable_interrupts( struct airo_info *ai ) {
3629 OUT4500( ai, EVINTEN, 0 );
3630 }
3631
3632 static void mpi_receive_802_3(struct airo_info *ai)
3633 {
3634 RxFid rxd;
3635 int len = 0;
3636 struct sk_buff *skb;
3637 char *buffer;
3638 int off = 0;
3639 MICBuffer micbuf;
3640
3641 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3642 /* Make sure we got something */
3643 if (rxd.rdy && rxd.valid == 0) {
3644 len = rxd.len + 12;
3645 if (len < 12 || len > 2048)
3646 goto badrx;
3647
3648 skb = dev_alloc_skb(len);
3649 if (!skb) {
3650 ai->dev->stats.rx_dropped++;
3651 goto badrx;
3652 }
3653 buffer = skb_put(skb,len);
3654 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3655 if (ai->micstats.enabled) {
3656 memcpy(&micbuf,
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3658 sizeof(micbuf));
3659 if (ntohs(micbuf.typelen) <= 0x05DC) {
3660 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3661 goto badmic;
3662
3663 off = sizeof(micbuf);
3664 skb_trim (skb, len - off);
3665 }
3666 }
3667 memcpy(buffer + ETH_ALEN * 2,
3668 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3669 len - ETH_ALEN * 2 - off);
3670 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3671 badmic:
3672 dev_kfree_skb_irq (skb);
3673 goto badrx;
3674 }
3675 #ifdef WIRELESS_SPY
3676 if (ai->spy_data.spy_number > 0) {
3677 char *sa;
3678 struct iw_quality wstats;
3679 /* Prepare spy data : addr + qual */
3680 sa = buffer + ETH_ALEN;
3681 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3682 wstats.level = 0;
3683 wstats.updated = 0;
3684 /* Update spy records */
3685 wireless_spy_update(ai->dev, sa, &wstats);
3686 }
3687 #endif /* WIRELESS_SPY */
3688
3689 skb->ip_summed = CHECKSUM_NONE;
3690 skb->protocol = eth_type_trans(skb, ai->dev);
3691 netif_rx(skb);
3692 }
3693 badrx:
3694 if (rxd.valid == 0) {
3695 rxd.valid = 1;
3696 rxd.rdy = 0;
3697 rxd.len = PKTSIZE;
3698 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3699 }
3700 }
3701
3702 static void mpi_receive_802_11(struct airo_info *ai)
3703 {
3704 RxFid rxd;
3705 struct sk_buff *skb = NULL;
3706 u16 len, hdrlen = 0;
3707 __le16 fc;
3708 struct rx_hdr hdr;
3709 u16 gap;
3710 u16 *buffer;
3711 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3712
3713 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3714 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3715 ptr += sizeof(hdr);
3716 /* Bad CRC. Ignore packet */
3717 if (le16_to_cpu(hdr.status) & 2)
3718 hdr.len = 0;
3719 if (ai->wifidev == NULL)
3720 hdr.len = 0;
3721 len = le16_to_cpu(hdr.len);
3722 if (len > AIRO_DEF_MTU) {
3723 airo_print_err(ai->dev->name, "Bad size %d", len);
3724 goto badrx;
3725 }
3726 if (len == 0)
3727 goto badrx;
3728
3729 fc = get_unaligned((__le16 *)ptr);
3730 hdrlen = header_len(fc);
3731
3732 skb = dev_alloc_skb( len + hdrlen + 2 );
3733 if ( !skb ) {
3734 ai->dev->stats.rx_dropped++;
3735 goto badrx;
3736 }
3737 buffer = (u16*)skb_put (skb, len + hdrlen);
3738 memcpy ((char *)buffer, ptr, hdrlen);
3739 ptr += hdrlen;
3740 if (hdrlen == 24)
3741 ptr += 6;
3742 gap = get_unaligned_le16(ptr);
3743 ptr += sizeof(__le16);
3744 if (gap) {
3745 if (gap <= 8)
3746 ptr += gap;
3747 else
3748 airo_print_err(ai->dev->name,
3749 "gaplen too big. Problems will follow...");
3750 }
3751 memcpy ((char *)buffer + hdrlen, ptr, len);
3752 ptr += len;
3753 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3754 if (ai->spy_data.spy_number > 0) {
3755 char *sa;
3756 struct iw_quality wstats;
3757 /* Prepare spy data : addr + qual */
3758 sa = (char*)buffer + 10;
3759 wstats.qual = hdr.rssi[0];
3760 if (ai->rssi)
3761 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3762 else
3763 wstats.level = (hdr.rssi[1] + 321) / 2;
3764 wstats.noise = ai->wstats.qual.noise;
3765 wstats.updated = IW_QUAL_QUAL_UPDATED
3766 | IW_QUAL_LEVEL_UPDATED
3767 | IW_QUAL_DBM;
3768 /* Update spy records */
3769 wireless_spy_update(ai->dev, sa, &wstats);
3770 }
3771 #endif /* IW_WIRELESS_SPY */
3772 skb_reset_mac_header(skb);
3773 skb->pkt_type = PACKET_OTHERHOST;
3774 skb->dev = ai->wifidev;
3775 skb->protocol = htons(ETH_P_802_2);
3776 skb->ip_summed = CHECKSUM_NONE;
3777 netif_rx( skb );
3778
3779 badrx:
3780 if (rxd.valid == 0) {
3781 rxd.valid = 1;
3782 rxd.rdy = 0;
3783 rxd.len = PKTSIZE;
3784 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3785 }
3786 }
3787
3788 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3789 {
3790 Cmd cmd;
3791 Resp rsp;
3792 int status;
3793 SsidRid mySsid;
3794 __le16 lastindex;
3795 WepKeyRid wkr;
3796 int rc;
3797
3798 memset( &mySsid, 0, sizeof( mySsid ) );
3799 kfree (ai->flash);
3800 ai->flash = NULL;
3801
3802 /* The NOP is the first step in getting the card going */
3803 cmd.cmd = NOP;
3804 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3805 if (lock && down_interruptible(&ai->sem))
3806 return ERROR;
3807 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3808 if (lock)
3809 up(&ai->sem);
3810 return ERROR;
3811 }
3812 disable_MAC( ai, 0);
3813
3814 // Let's figure out if we need to use the AUX port
3815 if (!test_bit(FLAG_MPI,&ai->flags)) {
3816 cmd.cmd = CMD_ENABLEAUX;
3817 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3818 if (lock)
3819 up(&ai->sem);
3820 airo_print_err(ai->dev->name, "Error checking for AUX port");
3821 return ERROR;
3822 }
3823 if (!aux_bap || rsp.status & 0xff00) {
3824 ai->bap_read = fast_bap_read;
3825 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3826 } else {
3827 ai->bap_read = aux_bap_read;
3828 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3829 }
3830 }
3831 if (lock)
3832 up(&ai->sem);
3833 if (ai->config.len == 0) {
3834 int i;
3835 tdsRssiRid rssi_rid;
3836 CapabilityRid cap_rid;
3837
3838 kfree(ai->APList);
3839 ai->APList = NULL;
3840 kfree(ai->SSID);
3841 ai->SSID = NULL;
3842 // general configuration (read/modify/write)
3843 status = readConfigRid(ai, lock);
3844 if ( status != SUCCESS ) return ERROR;
3845
3846 status = readCapabilityRid(ai, &cap_rid, lock);
3847 if ( status != SUCCESS ) return ERROR;
3848
3849 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3850 if ( status == SUCCESS ) {
3851 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3852 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3853 }
3854 else {
3855 kfree(ai->rssi);
3856 ai->rssi = NULL;
3857 if (cap_rid.softCap & cpu_to_le16(8))
3858 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3859 else
3860 airo_print_warn(ai->dev->name, "unknown received signal "
3861 "level scale");
3862 }
3863 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3864 ai->config.authType = AUTH_OPEN;
3865 ai->config.modulation = MOD_CCK;
3866
3867 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3868 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3869 micsetup(ai) == SUCCESS) {
3870 ai->config.opmode |= MODE_MIC;
3871 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3872 }
3873
3874 /* Save off the MAC */
3875 for( i = 0; i < ETH_ALEN; i++ ) {
3876 mac[i] = ai->config.macAddr[i];
3877 }
3878
3879 /* Check to see if there are any insmod configured
3880 rates to add */
3881 if ( rates[0] ) {
3882 memset(ai->config.rates,0,sizeof(ai->config.rates));
3883 for( i = 0; i < 8 && rates[i]; i++ ) {
3884 ai->config.rates[i] = rates[i];
3885 }
3886 }
3887 set_bit (FLAG_COMMIT, &ai->flags);
3888 }
3889
3890 /* Setup the SSIDs if present */
3891 if ( ssids[0] ) {
3892 int i;
3893 for( i = 0; i < 3 && ssids[i]; i++ ) {
3894 size_t len = strlen(ssids[i]);
3895 if (len > 32)
3896 len = 32;
3897 mySsid.ssids[i].len = cpu_to_le16(len);
3898 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3899 }
3900 mySsid.len = cpu_to_le16(sizeof(mySsid));
3901 }
3902
3903 status = writeConfigRid(ai, lock);
3904 if ( status != SUCCESS ) return ERROR;
3905
3906 /* Set up the SSID list */
3907 if ( ssids[0] ) {
3908 status = writeSsidRid(ai, &mySsid, lock);
3909 if ( status != SUCCESS ) return ERROR;
3910 }
3911
3912 status = enable_MAC(ai, lock);
3913 if (status != SUCCESS)
3914 return ERROR;
3915
3916 /* Grab the initial wep key, we gotta save it for auto_wep */
3917 rc = readWepKeyRid(ai, &wkr, 1, lock);
3918 if (rc == SUCCESS) do {
3919 lastindex = wkr.kindex;
3920 if (wkr.kindex == cpu_to_le16(0xffff)) {
3921 ai->defindex = wkr.mac[0];
3922 }
3923 rc = readWepKeyRid(ai, &wkr, 0, lock);
3924 } while(lastindex != wkr.kindex);
3925
3926 try_auto_wep(ai);
3927
3928 return SUCCESS;
3929 }
3930
3931 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3932 // Im really paranoid about letting it run forever!
3933 int max_tries = 600000;
3934
3935 if (IN4500(ai, EVSTAT) & EV_CMD)
3936 OUT4500(ai, EVACK, EV_CMD);
3937
3938 OUT4500(ai, PARAM0, pCmd->parm0);
3939 OUT4500(ai, PARAM1, pCmd->parm1);
3940 OUT4500(ai, PARAM2, pCmd->parm2);
3941 OUT4500(ai, COMMAND, pCmd->cmd);
3942
3943 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3944 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3945 // PC4500 didn't notice command, try again
3946 OUT4500(ai, COMMAND, pCmd->cmd);
3947 if (!in_atomic() && (max_tries & 255) == 0)
3948 schedule();
3949 }
3950
3951 if ( max_tries == -1 ) {
3952 airo_print_err(ai->dev->name,
3953 "Max tries exceeded when issuing command");
3954 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3956 return ERROR;
3957 }
3958
3959 // command completed
3960 pRsp->status = IN4500(ai, STATUS);
3961 pRsp->rsp0 = IN4500(ai, RESP0);
3962 pRsp->rsp1 = IN4500(ai, RESP1);
3963 pRsp->rsp2 = IN4500(ai, RESP2);
3964 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3965 airo_print_err(ai->dev->name,
3966 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3967 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3968 pRsp->rsp2);
3969
3970 // clear stuck command busy if necessary
3971 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3972 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3973 }
3974 // acknowledge processing the status/response
3975 OUT4500(ai, EVACK, EV_CMD);
3976
3977 return SUCCESS;
3978 }
3979
3980 /* Sets up the bap to start exchange data. whichbap should
3981 * be one of the BAP0 or BAP1 defines. Locks should be held before
3982 * calling! */
3983 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3984 {
3985 int timeout = 50;
3986 int max_tries = 3;
3987
3988 OUT4500(ai, SELECT0+whichbap, rid);
3989 OUT4500(ai, OFFSET0+whichbap, offset);
3990 while (1) {
3991 int status = IN4500(ai, OFFSET0+whichbap);
3992 if (status & BAP_BUSY) {
3993 /* This isn't really a timeout, but its kinda
3994 close */
3995 if (timeout--) {
3996 continue;
3997 }
3998 } else if ( status & BAP_ERR ) {
3999 /* invalid rid or offset */
4000 airo_print_err(ai->dev->name, "BAP error %x %d",
4001 status, whichbap );
4002 return ERROR;
4003 } else if (status & BAP_DONE) { // success
4004 return SUCCESS;
4005 }
4006 if ( !(max_tries--) ) {
4007 airo_print_err(ai->dev->name,
4008 "BAP setup error too many retries\n");
4009 return ERROR;
4010 }
4011 // -- PC4500 missed it, try again
4012 OUT4500(ai, SELECT0+whichbap, rid);
4013 OUT4500(ai, OFFSET0+whichbap, offset);
4014 timeout = 50;
4015 }
4016 }
4017
4018 /* should only be called by aux_bap_read. This aux function and the
4019 following use concepts not documented in the developers guide. I
4020 got them from a patch given to my by Aironet */
4021 static u16 aux_setup(struct airo_info *ai, u16 page,
4022 u16 offset, u16 *len)
4023 {
4024 u16 next;
4025
4026 OUT4500(ai, AUXPAGE, page);
4027 OUT4500(ai, AUXOFF, 0);
4028 next = IN4500(ai, AUXDATA);
4029 *len = IN4500(ai, AUXDATA)&0xff;
4030 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4031 return next;
4032 }
4033
4034 /* requires call to bap_setup() first */
4035 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4036 int bytelen, int whichbap)
4037 {
4038 u16 len;
4039 u16 page;
4040 u16 offset;
4041 u16 next;
4042 int words;
4043 int i;
4044 unsigned long flags;
4045
4046 spin_lock_irqsave(&ai->aux_lock, flags);
4047 page = IN4500(ai, SWS0+whichbap);
4048 offset = IN4500(ai, SWS2+whichbap);
4049 next = aux_setup(ai, page, offset, &len);
4050 words = (bytelen+1)>>1;
4051
4052 for (i=0; i<words;) {
4053 int count;
4054 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4055 if ( !do8bitIO )
4056 insw( ai->dev->base_addr+DATA0+whichbap,
4057 pu16Dst+i,count );
4058 else
4059 insb( ai->dev->base_addr+DATA0+whichbap,
4060 pu16Dst+i, count << 1 );
4061 i += count;
4062 if (i<words) {
4063 next = aux_setup(ai, next, 4, &len);
4064 }
4065 }
4066 spin_unlock_irqrestore(&ai->aux_lock, flags);
4067 return SUCCESS;
4068 }
4069
4070
4071 /* requires call to bap_setup() first */
4072 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4073 int bytelen, int whichbap)
4074 {
4075 bytelen = (bytelen + 1) & (~1); // round up to even value
4076 if ( !do8bitIO )
4077 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4078 else
4079 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4080 return SUCCESS;
4081 }
4082
4083 /* requires call to bap_setup() first */
4084 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4085 int bytelen, int whichbap)
4086 {
4087 bytelen = (bytelen + 1) & (~1); // round up to even value
4088 if ( !do8bitIO )
4089 outsw( ai->dev->base_addr+DATA0+whichbap,
4090 pu16Src, bytelen>>1 );
4091 else
4092 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4093 return SUCCESS;
4094 }
4095
4096 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4097 {
4098 Cmd cmd; /* for issuing commands */
4099 Resp rsp; /* response from commands */
4100 u16 status;
4101
4102 memset(&cmd, 0, sizeof(cmd));
4103 cmd.cmd = accmd;
4104 cmd.parm0 = rid;
4105 status = issuecommand(ai, &cmd, &rsp);
4106 if (status != 0) return status;
4107 if ( (rsp.status & 0x7F00) != 0) {
4108 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4109 }
4110 return 0;
4111 }
4112
4113 /* Note, that we are using BAP1 which is also used by transmit, so
4114 * we must get a lock. */
4115 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4116 {
4117 u16 status;
4118 int rc = SUCCESS;
4119
4120 if (lock) {
4121 if (down_interruptible(&ai->sem))
4122 return ERROR;
4123 }
4124 if (test_bit(FLAG_MPI,&ai->flags)) {
4125 Cmd cmd;
4126 Resp rsp;
4127
4128 memset(&cmd, 0, sizeof(cmd));
4129 memset(&rsp, 0, sizeof(rsp));
4130 ai->config_desc.rid_desc.valid = 1;
4131 ai->config_desc.rid_desc.len = RIDSIZE;
4132 ai->config_desc.rid_desc.rid = 0;
4133 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4134
4135 cmd.cmd = CMD_ACCESS;
4136 cmd.parm0 = rid;
4137
4138 memcpy_toio(ai->config_desc.card_ram_off,
4139 &ai->config_desc.rid_desc, sizeof(Rid));
4140
4141 rc = issuecommand(ai, &cmd, &rsp);
4142
4143 if (rsp.status & 0x7f00)
4144 rc = rsp.rsp0;
4145 if (!rc)
4146 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4147 goto done;
4148 } else {
4149 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4150 rc = status;
4151 goto done;
4152 }
4153 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4154 rc = ERROR;
4155 goto done;
4156 }
4157 // read the rid length field
4158 bap_read(ai, pBuf, 2, BAP1);
4159 // length for remaining part of rid
4160 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4161
4162 if ( len <= 2 ) {
4163 airo_print_err(ai->dev->name,
4164 "Rid %x has a length of %d which is too short",
4165 (int)rid, (int)len );
4166 rc = ERROR;
4167 goto done;
4168 }
4169 // read remainder of the rid
4170 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4171 }
4172 done:
4173 if (lock)
4174 up(&ai->sem);
4175 return rc;
4176 }
4177
4178 /* Note, that we are using BAP1 which is also used by transmit, so
4179 * make sure this isn't called when a transmit is happening */
4180 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4181 const void *pBuf, int len, int lock)
4182 {
4183 u16 status;
4184 int rc = SUCCESS;
4185
4186 *(__le16*)pBuf = cpu_to_le16((u16)len);
4187
4188 if (lock) {
4189 if (down_interruptible(&ai->sem))
4190 return ERROR;
4191 }
4192 if (test_bit(FLAG_MPI,&ai->flags)) {
4193 Cmd cmd;
4194 Resp rsp;
4195
4196 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4197 airo_print_err(ai->dev->name,
4198 "%s: MAC should be disabled (rid=%04x)",
4199 __func__, rid);
4200 memset(&cmd, 0, sizeof(cmd));
4201 memset(&rsp, 0, sizeof(rsp));
4202
4203 ai->config_desc.rid_desc.valid = 1;
4204 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4205 ai->config_desc.rid_desc.rid = 0;
4206
4207 cmd.cmd = CMD_WRITERID;
4208 cmd.parm0 = rid;
4209
4210 memcpy_toio(ai->config_desc.card_ram_off,
4211 &ai->config_desc.rid_desc, sizeof(Rid));
4212
4213 if (len < 4 || len > 2047) {
4214 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4215 rc = -1;
4216 } else {
4217 memcpy(ai->config_desc.virtual_host_addr,
4218 pBuf, len);
4219
4220 rc = issuecommand(ai, &cmd, &rsp);
4221 if ((rc & 0xff00) != 0) {
4222 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4223 __func__, rc);
4224 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4225 __func__, cmd.cmd);
4226 }
4227
4228 if ((rsp.status & 0x7f00))
4229 rc = rsp.rsp0;
4230 }
4231 } else {
4232 // --- first access so that we can write the rid data
4233 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4234 rc = status;
4235 goto done;
4236 }
4237 // --- now write the rid data
4238 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4239 rc = ERROR;
4240 goto done;
4241 }
4242 bap_write(ai, pBuf, len, BAP1);
4243 // ---now commit the rid data
4244 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4245 }
4246 done:
4247 if (lock)
4248 up(&ai->sem);
4249 return rc;
4250 }
4251
4252 /* Allocates a FID to be used for transmitting packets. We only use
4253 one for now. */
4254 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4255 {
4256 unsigned int loop = 3000;
4257 Cmd cmd;
4258 Resp rsp;
4259 u16 txFid;
4260 __le16 txControl;
4261
4262 cmd.cmd = CMD_ALLOCATETX;
4263 cmd.parm0 = lenPayload;
4264 if (down_interruptible(&ai->sem))
4265 return ERROR;
4266 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4267 txFid = ERROR;
4268 goto done;
4269 }
4270 if ( (rsp.status & 0xFF00) != 0) {
4271 txFid = ERROR;
4272 goto done;
4273 }
4274 /* wait for the allocate event/indication
4275 * It makes me kind of nervous that this can just sit here and spin,
4276 * but in practice it only loops like four times. */
4277 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4278 if (!loop) {
4279 txFid = ERROR;
4280 goto done;
4281 }
4282
4283 // get the allocated fid and acknowledge
4284 txFid = IN4500(ai, TXALLOCFID);
4285 OUT4500(ai, EVACK, EV_ALLOC);
4286
4287 /* The CARD is pretty cool since it converts the ethernet packet
4288 * into 802.11. Also note that we don't release the FID since we
4289 * will be using the same one over and over again. */
4290 /* We only have to setup the control once since we are not
4291 * releasing the fid. */
4292 if (raw)
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 else
4296 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4297 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4298 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4299 txFid = ERROR;
4300 else
4301 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4302
4303 done:
4304 up(&ai->sem);
4305
4306 return txFid;
4307 }
4308
4309 /* In general BAP1 is dedicated to transmiting packets. However,
4310 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4311 Make sure the BAP1 spinlock is held when this is called. */
4312 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4313 {
4314 __le16 payloadLen;
4315 Cmd cmd;
4316 Resp rsp;
4317 int miclen = 0;
4318 u16 txFid = len;
4319 MICBuffer pMic;
4320
4321 len >>= 16;
4322
4323 if (len <= ETH_ALEN * 2) {
4324 airo_print_warn(ai->dev->name, "Short packet %d", len);
4325 return ERROR;
4326 }
4327 len -= ETH_ALEN * 2;
4328
4329 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4330 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4331 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4332 return ERROR;
4333 miclen = sizeof(pMic);
4334 }
4335 // packet is destination[6], source[6], payload[len-12]
4336 // write the payload length and dst/src/payload
4337 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4338 /* The hardware addresses aren't counted as part of the payload, so
4339 * we have to subtract the 12 bytes for the addresses off */
4340 payloadLen = cpu_to_le16(len + miclen);
4341 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4342 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4343 if (miclen)
4344 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4345 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4346 // issue the transmit command
4347 memset( &cmd, 0, sizeof( cmd ) );
4348 cmd.cmd = CMD_TRANSMIT;
4349 cmd.parm0 = txFid;
4350 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4351 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4352 return SUCCESS;
4353 }
4354
4355 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4356 {
4357 __le16 fc, payloadLen;
4358 Cmd cmd;
4359 Resp rsp;
4360 int hdrlen;
4361 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4362 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4363 u16 txFid = len;
4364 len >>= 16;
4365
4366 fc = *(__le16*)pPacket;
4367 hdrlen = header_len(fc);
4368
4369 if (len < hdrlen) {
4370 airo_print_warn(ai->dev->name, "Short packet %d", len);
4371 return ERROR;
4372 }
4373
4374 /* packet is 802.11 header + payload
4375 * write the payload length and dst/src/payload */
4376 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4377 /* The 802.11 header aren't counted as part of the payload, so
4378 * we have to subtract the header bytes off */
4379 payloadLen = cpu_to_le16(len-hdrlen);
4380 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4381 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4382 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4383 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4384
4385 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4386 // issue the transmit command
4387 memset( &cmd, 0, sizeof( cmd ) );
4388 cmd.cmd = CMD_TRANSMIT;
4389 cmd.parm0 = txFid;
4390 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4391 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4392 return SUCCESS;
4393 }
4394
4395 /*
4396 * This is the proc_fs routines. It is a bit messier than I would
4397 * like! Feel free to clean it up!
4398 */
4399
4400 static ssize_t proc_read( struct file *file,
4401 char __user *buffer,
4402 size_t len,
4403 loff_t *offset);
4404
4405 static ssize_t proc_write( struct file *file,
4406 const char __user *buffer,
4407 size_t len,
4408 loff_t *offset );
4409 static int proc_close( struct inode *inode, struct file *file );
4410
4411 static int proc_stats_open( struct inode *inode, struct file *file );
4412 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4413 static int proc_status_open( struct inode *inode, struct file *file );
4414 static int proc_SSID_open( struct inode *inode, struct file *file );
4415 static int proc_APList_open( struct inode *inode, struct file *file );
4416 static int proc_BSSList_open( struct inode *inode, struct file *file );
4417 static int proc_config_open( struct inode *inode, struct file *file );
4418 static int proc_wepkey_open( struct inode *inode, struct file *file );
4419
4420 static const struct file_operations proc_statsdelta_ops = {
4421 .owner = THIS_MODULE,
4422 .read = proc_read,
4423 .open = proc_statsdelta_open,
4424 .release = proc_close,
4425 .llseek = default_llseek,
4426 };
4427
4428 static const struct file_operations proc_stats_ops = {
4429 .owner = THIS_MODULE,
4430 .read = proc_read,
4431 .open = proc_stats_open,
4432 .release = proc_close,
4433 .llseek = default_llseek,
4434 };
4435
4436 static const struct file_operations proc_status_ops = {
4437 .owner = THIS_MODULE,
4438 .read = proc_read,
4439 .open = proc_status_open,
4440 .release = proc_close,
4441 .llseek = default_llseek,
4442 };
4443
4444 static const struct file_operations proc_SSID_ops = {
4445 .owner = THIS_MODULE,
4446 .read = proc_read,
4447 .write = proc_write,
4448 .open = proc_SSID_open,
4449 .release = proc_close,
4450 .llseek = default_llseek,
4451 };
4452
4453 static const struct file_operations proc_BSSList_ops = {
4454 .owner = THIS_MODULE,
4455 .read = proc_read,
4456 .write = proc_write,
4457 .open = proc_BSSList_open,
4458 .release = proc_close,
4459 .llseek = default_llseek,
4460 };
4461
4462 static const struct file_operations proc_APList_ops = {
4463 .owner = THIS_MODULE,
4464 .read = proc_read,
4465 .write = proc_write,
4466 .open = proc_APList_open,
4467 .release = proc_close,
4468 .llseek = default_llseek,
4469 };
4470
4471 static const struct file_operations proc_config_ops = {
4472 .owner = THIS_MODULE,
4473 .read = proc_read,
4474 .write = proc_write,
4475 .open = proc_config_open,
4476 .release = proc_close,
4477 .llseek = default_llseek,
4478 };
4479
4480 static const struct file_operations proc_wepkey_ops = {
4481 .owner = THIS_MODULE,
4482 .read = proc_read,
4483 .write = proc_write,
4484 .open = proc_wepkey_open,
4485 .release = proc_close,
4486 .llseek = default_llseek,
4487 };
4488
4489 static struct proc_dir_entry *airo_entry;
4490
4491 struct proc_data {
4492 int release_buffer;
4493 int readlen;
4494 char *rbuffer;
4495 int writelen;
4496 int maxwritelen;
4497 char *wbuffer;
4498 void (*on_close) (struct inode *, struct file *);
4499 };
4500
4501 static int setup_proc_entry( struct net_device *dev,
4502 struct airo_info *apriv ) {
4503 struct proc_dir_entry *entry;
4504
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
4507 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
4508 airo_entry);
4509 if (!apriv->proc_entry)
4510 goto fail;
4511 apriv->proc_entry->uid = proc_kuid;
4512 apriv->proc_entry->gid = proc_kgid;
4513
4514 /* Setup the StatsDelta */
4515 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4516 apriv->proc_entry, &proc_statsdelta_ops, dev);
4517 if (!entry)
4518 goto fail_stats_delta;
4519 entry->uid = proc_kuid;
4520 entry->gid = proc_kgid;
4521
4522 /* Setup the Stats */
4523 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4524 apriv->proc_entry, &proc_stats_ops, dev);
4525 if (!entry)
4526 goto fail_stats;
4527 entry->uid = proc_kuid;
4528 entry->gid = proc_kgid;
4529
4530 /* Setup the Status */
4531 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4532 apriv->proc_entry, &proc_status_ops, dev);
4533 if (!entry)
4534 goto fail_status;
4535 entry->uid = proc_kuid;
4536 entry->gid = proc_kgid;
4537
4538 /* Setup the Config */
4539 entry = proc_create_data("Config", proc_perm,
4540 apriv->proc_entry, &proc_config_ops, dev);
4541 if (!entry)
4542 goto fail_config;
4543 entry->uid = proc_kuid;
4544 entry->gid = proc_kgid;
4545
4546 /* Setup the SSID */
4547 entry = proc_create_data("SSID", proc_perm,
4548 apriv->proc_entry, &proc_SSID_ops, dev);
4549 if (!entry)
4550 goto fail_ssid;
4551 entry->uid = proc_kuid;
4552 entry->gid = proc_kgid;
4553
4554 /* Setup the APList */
4555 entry = proc_create_data("APList", proc_perm,
4556 apriv->proc_entry, &proc_APList_ops, dev);
4557 if (!entry)
4558 goto fail_aplist;
4559 entry->uid = proc_kuid;
4560 entry->gid = proc_kgid;
4561
4562 /* Setup the BSSList */
4563 entry = proc_create_data("BSSList", proc_perm,
4564 apriv->proc_entry, &proc_BSSList_ops, dev);
4565 if (!entry)
4566 goto fail_bsslist;
4567 entry->uid = proc_kuid;
4568 entry->gid = proc_kgid;
4569
4570 /* Setup the WepKey */
4571 entry = proc_create_data("WepKey", proc_perm,
4572 apriv->proc_entry, &proc_wepkey_ops, dev);
4573 if (!entry)
4574 goto fail_wepkey;
4575 entry->uid = proc_kuid;
4576 entry->gid = proc_kgid;
4577
4578 return 0;
4579
4580 fail_wepkey:
4581 remove_proc_entry("BSSList", apriv->proc_entry);
4582 fail_bsslist:
4583 remove_proc_entry("APList", apriv->proc_entry);
4584 fail_aplist:
4585 remove_proc_entry("SSID", apriv->proc_entry);
4586 fail_ssid:
4587 remove_proc_entry("Config", apriv->proc_entry);
4588 fail_config:
4589 remove_proc_entry("Status", apriv->proc_entry);
4590 fail_status:
4591 remove_proc_entry("Stats", apriv->proc_entry);
4592 fail_stats:
4593 remove_proc_entry("StatsDelta", apriv->proc_entry);
4594 fail_stats_delta:
4595 remove_proc_entry(apriv->proc_name, airo_entry);
4596 fail:
4597 return -ENOMEM;
4598 }
4599
4600 static int takedown_proc_entry( struct net_device *dev,
4601 struct airo_info *apriv ) {
4602 if ( !apriv->proc_entry->namelen ) return 0;
4603 remove_proc_entry("Stats",apriv->proc_entry);
4604 remove_proc_entry("StatsDelta",apriv->proc_entry);
4605 remove_proc_entry("Status",apriv->proc_entry);
4606 remove_proc_entry("Config",apriv->proc_entry);
4607 remove_proc_entry("SSID",apriv->proc_entry);
4608 remove_proc_entry("APList",apriv->proc_entry);
4609 remove_proc_entry("BSSList",apriv->proc_entry);
4610 remove_proc_entry("WepKey",apriv->proc_entry);
4611 remove_proc_entry(apriv->proc_name,airo_entry);
4612 return 0;
4613 }
4614
4615 /*
4616 * What we want from the proc_fs is to be able to efficiently read
4617 * and write the configuration. To do this, we want to read the
4618 * configuration when the file is opened and write it when the file is
4619 * closed. So basically we allocate a read buffer at open and fill it
4620 * with data, and allocate a write buffer and read it at close.
4621 */
4622
4623 /*
4624 * The read routine is generic, it relies on the preallocated rbuffer
4625 * to supply the data.
4626 */
4627 static ssize_t proc_read( struct file *file,
4628 char __user *buffer,
4629 size_t len,
4630 loff_t *offset )
4631 {
4632 struct proc_data *priv = file->private_data;
4633
4634 if (!priv->rbuffer)
4635 return -EINVAL;
4636
4637 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4638 priv->readlen);
4639 }
4640
4641 /*
4642 * The write routine is generic, it fills in a preallocated rbuffer
4643 * to supply the data.
4644 */
4645 static ssize_t proc_write( struct file *file,
4646 const char __user *buffer,
4647 size_t len,
4648 loff_t *offset )
4649 {
4650 ssize_t ret;
4651 struct proc_data *priv = file->private_data;
4652
4653 if (!priv->wbuffer)
4654 return -EINVAL;
4655
4656 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4657 buffer, len);
4658 if (ret > 0)
4659 priv->writelen = max_t(int, priv->writelen, *offset);
4660
4661 return ret;
4662 }
4663
4664 static int proc_status_open(struct inode *inode, struct file *file)
4665 {
4666 struct proc_data *data;
4667 struct proc_dir_entry *dp = PDE(inode);
4668 struct net_device *dev = dp->data;
4669 struct airo_info *apriv = dev->ml_priv;
4670 CapabilityRid cap_rid;
4671 StatusRid status_rid;
4672 u16 mode;
4673 int i;
4674
4675 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4676 return -ENOMEM;
4677 data = file->private_data;
4678 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4679 kfree (file->private_data);
4680 return -ENOMEM;
4681 }
4682
4683 readStatusRid(apriv, &status_rid, 1);
4684 readCapabilityRid(apriv, &cap_rid, 1);
4685
4686 mode = le16_to_cpu(status_rid.mode);
4687
4688 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4689 mode & 1 ? "CFG ": "",
4690 mode & 2 ? "ACT ": "",
4691 mode & 0x10 ? "SYN ": "",
4692 mode & 0x20 ? "LNK ": "",
4693 mode & 0x40 ? "LEAP ": "",
4694 mode & 0x80 ? "PRIV ": "",
4695 mode & 0x100 ? "KEY ": "",
4696 mode & 0x200 ? "WEP ": "",
4697 mode & 0x8000 ? "ERR ": "");
4698 sprintf( data->rbuffer+i, "Mode: %x\n"
4699 "Signal Strength: %d\n"
4700 "Signal Quality: %d\n"
4701 "SSID: %-.*s\n"
4702 "AP: %-.16s\n"
4703 "Freq: %d\n"
4704 "BitRate: %dmbs\n"
4705 "Driver Version: %s\n"
4706 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4707 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4708 "Software Version: %x\nSoftware Subversion: %x\n"
4709 "Boot block version: %x\n",
4710 le16_to_cpu(status_rid.mode),
4711 le16_to_cpu(status_rid.normalizedSignalStrength),
4712 le16_to_cpu(status_rid.signalQuality),
4713 le16_to_cpu(status_rid.SSIDlen),
4714 status_rid.SSID,
4715 status_rid.apName,
4716 le16_to_cpu(status_rid.channel),
4717 le16_to_cpu(status_rid.currentXmitRate) / 2,
4718 version,
4719 cap_rid.prodName,
4720 cap_rid.manName,
4721 cap_rid.prodVer,
4722 le16_to_cpu(cap_rid.radioType),
4723 le16_to_cpu(cap_rid.country),
4724 le16_to_cpu(cap_rid.hardVer),
4725 le16_to_cpu(cap_rid.softVer),
4726 le16_to_cpu(cap_rid.softSubVer),
4727 le16_to_cpu(cap_rid.bootBlockVer));
4728 data->readlen = strlen( data->rbuffer );
4729 return 0;
4730 }
4731
4732 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4733 static int proc_statsdelta_open( struct inode *inode,
4734 struct file *file ) {
4735 if (file->f_mode&FMODE_WRITE) {
4736 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4737 }
4738 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4739 }
4740
4741 static int proc_stats_open( struct inode *inode, struct file *file ) {
4742 return proc_stats_rid_open(inode, file, RID_STATS);
4743 }
4744
4745 static int proc_stats_rid_open( struct inode *inode,
4746 struct file *file,
4747 u16 rid )
4748 {
4749 struct proc_data *data;
4750 struct proc_dir_entry *dp = PDE(inode);
4751 struct net_device *dev = dp->data;
4752 struct airo_info *apriv = dev->ml_priv;
4753 StatsRid stats;
4754 int i, j;
4755 __le32 *vals = stats.vals;
4756 int len;
4757
4758 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4759 return -ENOMEM;
4760 data = file->private_data;
4761 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4762 kfree (file->private_data);
4763 return -ENOMEM;
4764 }
4765
4766 readStatsRid(apriv, &stats, rid, 1);
4767 len = le16_to_cpu(stats.len);
4768
4769 j = 0;
4770 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4771 if (!statsLabels[i]) continue;
4772 if (j+strlen(statsLabels[i])+16>4096) {
4773 airo_print_warn(apriv->dev->name,
4774 "Potentially disastrous buffer overflow averted!");
4775 break;
4776 }
4777 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4778 le32_to_cpu(vals[i]));
4779 }
4780 if (i*4 >= len) {
4781 airo_print_warn(apriv->dev->name, "Got a short rid");
4782 }
4783 data->readlen = j;
4784 return 0;
4785 }
4786
4787 static int get_dec_u16( char *buffer, int *start, int limit ) {
4788 u16 value;
4789 int valid = 0;
4790 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4791 buffer[*start] <= '9'; (*start)++) {
4792 valid = 1;
4793 value *= 10;
4794 value += buffer[*start] - '0';
4795 }
4796 if ( !valid ) return -1;
4797 return value;
4798 }
4799
4800 static int airo_config_commit(struct net_device *dev,
4801 struct iw_request_info *info, void *zwrq,
4802 char *extra);
4803
4804 static inline int sniffing_mode(struct airo_info *ai)
4805 {
4806 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4807 le16_to_cpu(RXMODE_RFMON);
4808 }
4809
4810 static void proc_config_on_close(struct inode *inode, struct file *file)
4811 {
4812 struct proc_data *data = file->private_data;
4813 struct proc_dir_entry *dp = PDE(inode);
4814 struct net_device *dev = dp->data;
4815 struct airo_info *ai = dev->ml_priv;
4816 char *line;
4817
4818 if ( !data->writelen ) return;
4819
4820 readConfigRid(ai, 1);
4821 set_bit (FLAG_COMMIT, &ai->flags);
4822
4823 line = data->wbuffer;
4824 while( line[0] ) {
4825 /*** Mode processing */
4826 if ( !strncmp( line, "Mode: ", 6 ) ) {
4827 line += 6;
4828 if (sniffing_mode(ai))
4829 set_bit (FLAG_RESET, &ai->flags);
4830 ai->config.rmode &= ~RXMODE_FULL_MASK;
4831 clear_bit (FLAG_802_11, &ai->flags);
4832 ai->config.opmode &= ~MODE_CFG_MASK;
4833 ai->config.scanMode = SCANMODE_ACTIVE;
4834 if ( line[0] == 'a' ) {
4835 ai->config.opmode |= MODE_STA_IBSS;
4836 } else {
4837 ai->config.opmode |= MODE_STA_ESS;
4838 if ( line[0] == 'r' ) {
4839 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4840 ai->config.scanMode = SCANMODE_PASSIVE;
4841 set_bit (FLAG_802_11, &ai->flags);
4842 } else if ( line[0] == 'y' ) {
4843 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4844 ai->config.scanMode = SCANMODE_PASSIVE;
4845 set_bit (FLAG_802_11, &ai->flags);
4846 } else if ( line[0] == 'l' )
4847 ai->config.rmode |= RXMODE_LANMON;
4848 }
4849 set_bit (FLAG_COMMIT, &ai->flags);
4850 }
4851
4852 /*** Radio status */
4853 else if (!strncmp(line,"Radio: ", 7)) {
4854 line += 7;
4855 if (!strncmp(line,"off",3)) {
4856 set_bit (FLAG_RADIO_OFF, &ai->flags);
4857 } else {
4858 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4859 }
4860 }
4861 /*** NodeName processing */
4862 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4863 int j;
4864
4865 line += 10;
4866 memset( ai->config.nodeName, 0, 16 );
4867 /* Do the name, assume a space between the mode and node name */
4868 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4869 ai->config.nodeName[j] = line[j];
4870 }
4871 set_bit (FLAG_COMMIT, &ai->flags);
4872 }
4873
4874 /*** PowerMode processing */
4875 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4876 line += 11;
4877 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4878 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4879 set_bit (FLAG_COMMIT, &ai->flags);
4880 } else if ( !strncmp( line, "PSP", 3 ) ) {
4881 ai->config.powerSaveMode = POWERSAVE_PSP;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 } else {
4884 ai->config.powerSaveMode = POWERSAVE_CAM;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 }
4887 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4888 int v, i = 0, k = 0; /* i is index into line,
4889 k is index to rates */
4890
4891 line += 11;
4892 while((v = get_dec_u16(line, &i, 3))!=-1) {
4893 ai->config.rates[k++] = (u8)v;
4894 line += i + 1;
4895 i = 0;
4896 }
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4899 int v, i = 0;
4900 line += 9;
4901 v = get_dec_u16(line, &i, i+3);
4902 if ( v != -1 ) {
4903 ai->config.channelSet = cpu_to_le16(v);
4904 set_bit (FLAG_COMMIT, &ai->flags);
4905 }
4906 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4907 int v, i = 0;
4908 line += 11;
4909 v = get_dec_u16(line, &i, i+3);
4910 if ( v != -1 ) {
4911 ai->config.txPower = cpu_to_le16(v);
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 }
4914 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4915 line += 5;
4916 switch( line[0] ) {
4917 case 's':
4918 ai->config.authType = AUTH_SHAREDKEY;
4919 break;
4920 case 'e':
4921 ai->config.authType = AUTH_ENCRYPT;
4922 break;
4923 default:
4924 ai->config.authType = AUTH_OPEN;
4925 break;
4926 }
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4929 int v, i = 0;
4930
4931 line += 16;
4932 v = get_dec_u16(line, &i, 3);
4933 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4934 ai->config.longRetryLimit = cpu_to_le16(v);
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4937 int v, i = 0;
4938
4939 line += 17;
4940 v = get_dec_u16(line, &i, 3);
4941 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4942 ai->config.shortRetryLimit = cpu_to_le16(v);
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4945 int v, i = 0;
4946
4947 line += 14;
4948 v = get_dec_u16(line, &i, 4);
4949 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4950 ai->config.rtsThres = cpu_to_le16(v);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4953 int v, i = 0;
4954
4955 line += 16;
4956 v = get_dec_u16(line, &i, 5);
4957 v = (v<0) ? 0 : v;
4958 ai->config.txLifetime = cpu_to_le16(v);
4959 set_bit (FLAG_COMMIT, &ai->flags);
4960 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4961 int v, i = 0;
4962
4963 line += 16;
4964 v = get_dec_u16(line, &i, 5);
4965 v = (v<0) ? 0 : v;
4966 ai->config.rxLifetime = cpu_to_le16(v);
4967 set_bit (FLAG_COMMIT, &ai->flags);
4968 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4969 ai->config.txDiversity =
4970 (line[13]=='l') ? 1 :
4971 ((line[13]=='r')? 2: 3);
4972 set_bit (FLAG_COMMIT, &ai->flags);
4973 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4974 ai->config.rxDiversity =
4975 (line[13]=='l') ? 1 :
4976 ((line[13]=='r')? 2: 3);
4977 set_bit (FLAG_COMMIT, &ai->flags);
4978 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4979 int v, i = 0;
4980
4981 line += 15;
4982 v = get_dec_u16(line, &i, 4);
4983 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4984 v = v & 0xfffe; /* Make sure its even */
4985 ai->config.fragThresh = cpu_to_le16(v);
4986 set_bit (FLAG_COMMIT, &ai->flags);
4987 } else if (!strncmp(line, "Modulation: ", 12)) {
4988 line += 12;
4989 switch(*line) {
4990 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4991 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4992 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4993 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4994 }
4995 } else if (!strncmp(line, "Preamble: ", 10)) {
4996 line += 10;
4997 switch(*line) {
4998 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5000 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5001 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5002 }
5003 } else {
5004 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5005 }
5006 while( line[0] && line[0] != '\n' ) line++;
5007 if ( line[0] ) line++;
5008 }
5009 airo_config_commit(dev, NULL, NULL, NULL);
5010 }
5011
5012 static const char *get_rmode(__le16 mode)
5013 {
5014 switch(mode & RXMODE_MASK) {
5015 case RXMODE_RFMON: return "rfmon";
5016 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5017 case RXMODE_LANMON: return "lanmon";
5018 }
5019 return "ESS";
5020 }
5021
5022 static int proc_config_open(struct inode *inode, struct file *file)
5023 {
5024 struct proc_data *data;
5025 struct proc_dir_entry *dp = PDE(inode);
5026 struct net_device *dev = dp->data;
5027 struct airo_info *ai = dev->ml_priv;
5028 int i;
5029 __le16 mode;
5030
5031 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5032 return -ENOMEM;
5033 data = file->private_data;
5034 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5035 kfree (file->private_data);
5036 return -ENOMEM;
5037 }
5038 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5039 kfree (data->rbuffer);
5040 kfree (file->private_data);
5041 return -ENOMEM;
5042 }
5043 data->maxwritelen = 2048;
5044 data->on_close = proc_config_on_close;
5045
5046 readConfigRid(ai, 1);
5047
5048 mode = ai->config.opmode & MODE_CFG_MASK;
5049 i = sprintf( data->rbuffer,
5050 "Mode: %s\n"
5051 "Radio: %s\n"
5052 "NodeName: %-16s\n"
5053 "PowerMode: %s\n"
5054 "DataRates: %d %d %d %d %d %d %d %d\n"
5055 "Channel: %d\n"
5056 "XmitPower: %d\n",
5057 mode == MODE_STA_IBSS ? "adhoc" :
5058 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5059 mode == MODE_AP ? "AP" :
5060 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5061 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5062 ai->config.nodeName,
5063 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5064 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5065 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5066 "Error",
5067 (int)ai->config.rates[0],
5068 (int)ai->config.rates[1],
5069 (int)ai->config.rates[2],
5070 (int)ai->config.rates[3],
5071 (int)ai->config.rates[4],
5072 (int)ai->config.rates[5],
5073 (int)ai->config.rates[6],
5074 (int)ai->config.rates[7],
5075 le16_to_cpu(ai->config.channelSet),
5076 le16_to_cpu(ai->config.txPower)
5077 );
5078 sprintf( data->rbuffer + i,
5079 "LongRetryLimit: %d\n"
5080 "ShortRetryLimit: %d\n"
5081 "RTSThreshold: %d\n"
5082 "TXMSDULifetime: %d\n"
5083 "RXMSDULifetime: %d\n"
5084 "TXDiversity: %s\n"
5085 "RXDiversity: %s\n"
5086 "FragThreshold: %d\n"
5087 "WEP: %s\n"
5088 "Modulation: %s\n"
5089 "Preamble: %s\n",
5090 le16_to_cpu(ai->config.longRetryLimit),
5091 le16_to_cpu(ai->config.shortRetryLimit),
5092 le16_to_cpu(ai->config.rtsThres),
5093 le16_to_cpu(ai->config.txLifetime),
5094 le16_to_cpu(ai->config.rxLifetime),
5095 ai->config.txDiversity == 1 ? "left" :
5096 ai->config.txDiversity == 2 ? "right" : "both",
5097 ai->config.rxDiversity == 1 ? "left" :
5098 ai->config.rxDiversity == 2 ? "right" : "both",
5099 le16_to_cpu(ai->config.fragThresh),
5100 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5101 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5102 ai->config.modulation == MOD_DEFAULT ? "default" :
5103 ai->config.modulation == MOD_CCK ? "cck" :
5104 ai->config.modulation == MOD_MOK ? "mok" : "error",
5105 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5106 ai->config.preamble == PREAMBLE_LONG ? "long" :
5107 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5108 );
5109 data->readlen = strlen( data->rbuffer );
5110 return 0;
5111 }
5112
5113 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5114 {
5115 struct proc_data *data = file->private_data;
5116 struct proc_dir_entry *dp = PDE(inode);
5117 struct net_device *dev = dp->data;
5118 struct airo_info *ai = dev->ml_priv;
5119 SsidRid SSID_rid;
5120 int i;
5121 char *p = data->wbuffer;
5122 char *end = p + data->writelen;
5123
5124 if (!data->writelen)
5125 return;
5126
5127 *end = '\n'; /* sentinel; we have space for it */
5128
5129 memset(&SSID_rid, 0, sizeof(SSID_rid));
5130
5131 for (i = 0; i < 3 && p < end; i++) {
5132 int j = 0;
5133 /* copy up to 32 characters from this line */
5134 while (*p != '\n' && j < 32)
5135 SSID_rid.ssids[i].ssid[j++] = *p++;
5136 if (j == 0)
5137 break;
5138 SSID_rid.ssids[i].len = cpu_to_le16(j);
5139 /* skip to the beginning of the next line */
5140 while (*p++ != '\n')
5141 ;
5142 }
5143 if (i)
5144 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5145 disable_MAC(ai, 1);
5146 writeSsidRid(ai, &SSID_rid, 1);
5147 enable_MAC(ai, 1);
5148 }
5149
5150 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5151 struct proc_data *data = file->private_data;
5152 struct proc_dir_entry *dp = PDE(inode);
5153 struct net_device *dev = dp->data;
5154 struct airo_info *ai = dev->ml_priv;
5155 APListRid APList_rid;
5156 int i;
5157
5158 if ( !data->writelen ) return;
5159
5160 memset( &APList_rid, 0, sizeof(APList_rid) );
5161 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5162
5163 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5164 int j;
5165 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5166 switch(j%3) {
5167 case 0:
5168 APList_rid.ap[i][j/3]=
5169 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5170 break;
5171 case 1:
5172 APList_rid.ap[i][j/3]|=
5173 hex_to_bin(data->wbuffer[j+i*6*3]);
5174 break;
5175 }
5176 }
5177 }
5178 disable_MAC(ai, 1);
5179 writeAPListRid(ai, &APList_rid, 1);
5180 enable_MAC(ai, 1);
5181 }
5182
5183 /* This function wraps PC4500_writerid with a MAC disable */
5184 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5185 int len, int dummy ) {
5186 int rc;
5187
5188 disable_MAC(ai, 1);
5189 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5190 enable_MAC(ai, 1);
5191 return rc;
5192 }
5193
5194 /* Returns the WEP key at the specified index, or -1 if that key does
5195 * not exist. The buffer is assumed to be at least 16 bytes in length.
5196 */
5197 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5198 {
5199 WepKeyRid wkr;
5200 int rc;
5201 __le16 lastindex;
5202
5203 rc = readWepKeyRid(ai, &wkr, 1, 1);
5204 if (rc != SUCCESS)
5205 return -1;
5206 do {
5207 lastindex = wkr.kindex;
5208 if (le16_to_cpu(wkr.kindex) == index) {
5209 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5210 memcpy(buf, wkr.key, klen);
5211 return klen;
5212 }
5213 rc = readWepKeyRid(ai, &wkr, 0, 1);
5214 if (rc != SUCCESS)
5215 return -1;
5216 } while (lastindex != wkr.kindex);
5217 return -1;
5218 }
5219
5220 static int get_wep_tx_idx(struct airo_info *ai)
5221 {
5222 WepKeyRid wkr;
5223 int rc;
5224 __le16 lastindex;
5225
5226 rc = readWepKeyRid(ai, &wkr, 1, 1);
5227 if (rc != SUCCESS)
5228 return -1;
5229 do {
5230 lastindex = wkr.kindex;
5231 if (wkr.kindex == cpu_to_le16(0xffff))
5232 return wkr.mac[0];
5233 rc = readWepKeyRid(ai, &wkr, 0, 1);
5234 if (rc != SUCCESS)
5235 return -1;
5236 } while (lastindex != wkr.kindex);
5237 return -1;
5238 }
5239
5240 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5241 u16 keylen, int perm, int lock)
5242 {
5243 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5244 WepKeyRid wkr;
5245 int rc;
5246
5247 if (WARN_ON(keylen == 0))
5248 return -1;
5249
5250 memset(&wkr, 0, sizeof(wkr));
5251 wkr.len = cpu_to_le16(sizeof(wkr));
5252 wkr.kindex = cpu_to_le16(index);
5253 wkr.klen = cpu_to_le16(keylen);
5254 memcpy(wkr.key, key, keylen);
5255 memcpy(wkr.mac, macaddr, ETH_ALEN);
5256
5257 if (perm) disable_MAC(ai, lock);
5258 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5259 if (perm) enable_MAC(ai, lock);
5260 return rc;
5261 }
5262
5263 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5264 {
5265 WepKeyRid wkr;
5266 int rc;
5267
5268 memset(&wkr, 0, sizeof(wkr));
5269 wkr.len = cpu_to_le16(sizeof(wkr));
5270 wkr.kindex = cpu_to_le16(0xffff);
5271 wkr.mac[0] = (char)index;
5272
5273 if (perm) {
5274 ai->defindex = (char)index;
5275 disable_MAC(ai, lock);
5276 }
5277
5278 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5279
5280 if (perm)
5281 enable_MAC(ai, lock);
5282 return rc;
5283 }
5284
5285 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5286 struct proc_data *data;
5287 struct proc_dir_entry *dp = PDE(inode);
5288 struct net_device *dev = dp->data;
5289 struct airo_info *ai = dev->ml_priv;
5290 int i, rc;
5291 char key[16];
5292 u16 index = 0;
5293 int j = 0;
5294
5295 memset(key, 0, sizeof(key));
5296
5297 data = file->private_data;
5298 if ( !data->writelen ) return;
5299
5300 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5301 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5302 index = data->wbuffer[0] - '0';
5303 if (data->wbuffer[1] == '\n') {
5304 rc = set_wep_tx_idx(ai, index, 1, 1);
5305 if (rc < 0) {
5306 airo_print_err(ai->dev->name, "failed to set "
5307 "WEP transmit index to %d: %d.",
5308 index, rc);
5309 }
5310 return;
5311 }
5312 j = 2;
5313 } else {
5314 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5315 return;
5316 }
5317
5318 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5319 switch(i%3) {
5320 case 0:
5321 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5322 break;
5323 case 1:
5324 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5325 break;
5326 }
5327 }
5328
5329 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5330 if (rc < 0) {
5331 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5332 "%d: %d.", index, rc);
5333 }
5334 }
5335
5336 static int proc_wepkey_open( struct inode *inode, struct file *file )
5337 {
5338 struct proc_data *data;
5339 struct proc_dir_entry *dp = PDE(inode);
5340 struct net_device *dev = dp->data;
5341 struct airo_info *ai = dev->ml_priv;
5342 char *ptr;
5343 WepKeyRid wkr;
5344 __le16 lastindex;
5345 int j=0;
5346 int rc;
5347
5348 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5349 return -ENOMEM;
5350 memset(&wkr, 0, sizeof(wkr));
5351 data = file->private_data;
5352 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5353 kfree (file->private_data);
5354 return -ENOMEM;
5355 }
5356 data->writelen = 0;
5357 data->maxwritelen = 80;
5358 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5359 kfree (data->rbuffer);
5360 kfree (file->private_data);
5361 return -ENOMEM;
5362 }
5363 data->on_close = proc_wepkey_on_close;
5364
5365 ptr = data->rbuffer;
5366 strcpy(ptr, "No wep keys\n");
5367 rc = readWepKeyRid(ai, &wkr, 1, 1);
5368 if (rc == SUCCESS) do {
5369 lastindex = wkr.kindex;
5370 if (wkr.kindex == cpu_to_le16(0xffff)) {
5371 j += sprintf(ptr+j, "Tx key = %d\n",
5372 (int)wkr.mac[0]);
5373 } else {
5374 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5375 le16_to_cpu(wkr.kindex),
5376 le16_to_cpu(wkr.klen));
5377 }
5378 readWepKeyRid(ai, &wkr, 0, 1);
5379 } while((lastindex != wkr.kindex) && (j < 180-30));
5380
5381 data->readlen = strlen( data->rbuffer );
5382 return 0;
5383 }
5384
5385 static int proc_SSID_open(struct inode *inode, struct file *file)
5386 {
5387 struct proc_data *data;
5388 struct proc_dir_entry *dp = PDE(inode);
5389 struct net_device *dev = dp->data;
5390 struct airo_info *ai = dev->ml_priv;
5391 int i;
5392 char *ptr;
5393 SsidRid SSID_rid;
5394
5395 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5396 return -ENOMEM;
5397 data = file->private_data;
5398 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5399 kfree (file->private_data);
5400 return -ENOMEM;
5401 }
5402 data->writelen = 0;
5403 data->maxwritelen = 33*3;
5404 /* allocate maxwritelen + 1; we'll want a sentinel */
5405 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5406 kfree (data->rbuffer);
5407 kfree (file->private_data);
5408 return -ENOMEM;
5409 }
5410 data->on_close = proc_SSID_on_close;
5411
5412 readSsidRid(ai, &SSID_rid);
5413 ptr = data->rbuffer;
5414 for (i = 0; i < 3; i++) {
5415 int j;
5416 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5417 if (!len)
5418 break;
5419 if (len > 32)
5420 len = 32;
5421 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5422 *ptr++ = SSID_rid.ssids[i].ssid[j];
5423 *ptr++ = '\n';
5424 }
5425 *ptr = '\0';
5426 data->readlen = strlen( data->rbuffer );
5427 return 0;
5428 }
5429
5430 static int proc_APList_open( struct inode *inode, struct file *file ) {
5431 struct proc_data *data;
5432 struct proc_dir_entry *dp = PDE(inode);
5433 struct net_device *dev = dp->data;
5434 struct airo_info *ai = dev->ml_priv;
5435 int i;
5436 char *ptr;
5437 APListRid APList_rid;
5438
5439 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5440 return -ENOMEM;
5441 data = file->private_data;
5442 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5443 kfree (file->private_data);
5444 return -ENOMEM;
5445 }
5446 data->writelen = 0;
5447 data->maxwritelen = 4*6*3;
5448 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5449 kfree (data->rbuffer);
5450 kfree (file->private_data);
5451 return -ENOMEM;
5452 }
5453 data->on_close = proc_APList_on_close;
5454
5455 readAPListRid(ai, &APList_rid);
5456 ptr = data->rbuffer;
5457 for( i = 0; i < 4; i++ ) {
5458 // We end when we find a zero MAC
5459 if ( !*(int*)APList_rid.ap[i] &&
5460 !*(int*)&APList_rid.ap[i][2]) break;
5461 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5462 }
5463 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5464
5465 *ptr = '\0';
5466 data->readlen = strlen( data->rbuffer );
5467 return 0;
5468 }
5469
5470 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5471 struct proc_data *data;
5472 struct proc_dir_entry *dp = PDE(inode);
5473 struct net_device *dev = dp->data;
5474 struct airo_info *ai = dev->ml_priv;
5475 char *ptr;
5476 BSSListRid BSSList_rid;
5477 int rc;
5478 /* If doLoseSync is not 1, we won't do a Lose Sync */
5479 int doLoseSync = -1;
5480
5481 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5482 return -ENOMEM;
5483 data = file->private_data;
5484 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5485 kfree (file->private_data);
5486 return -ENOMEM;
5487 }
5488 data->writelen = 0;
5489 data->maxwritelen = 0;
5490 data->wbuffer = NULL;
5491 data->on_close = NULL;
5492
5493 if (file->f_mode & FMODE_WRITE) {
5494 if (!(file->f_mode & FMODE_READ)) {
5495 Cmd cmd;
5496 Resp rsp;
5497
5498 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5499 memset(&cmd, 0, sizeof(cmd));
5500 cmd.cmd=CMD_LISTBSS;
5501 if (down_interruptible(&ai->sem))
5502 return -ERESTARTSYS;
5503 issuecommand(ai, &cmd, &rsp);
5504 up(&ai->sem);
5505 data->readlen = 0;
5506 return 0;
5507 }
5508 doLoseSync = 1;
5509 }
5510 ptr = data->rbuffer;
5511 /* There is a race condition here if there are concurrent opens.
5512 Since it is a rare condition, we'll just live with it, otherwise
5513 we have to add a spin lock... */
5514 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5515 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5516 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5517 BSSList_rid.bssid,
5518 (int)BSSList_rid.ssidLen,
5519 BSSList_rid.ssid,
5520 le16_to_cpu(BSSList_rid.dBm));
5521 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5522 le16_to_cpu(BSSList_rid.dsChannel),
5523 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5524 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5525 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5526 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5527 rc = readBSSListRid(ai, 0, &BSSList_rid);
5528 }
5529 *ptr = '\0';
5530 data->readlen = strlen( data->rbuffer );
5531 return 0;
5532 }
5533
5534 static int proc_close( struct inode *inode, struct file *file )
5535 {
5536 struct proc_data *data = file->private_data;
5537
5538 if (data->on_close != NULL)
5539 data->on_close(inode, file);
5540 kfree(data->rbuffer);
5541 kfree(data->wbuffer);
5542 kfree(data);
5543 return 0;
5544 }
5545
5546 /* Since the card doesn't automatically switch to the right WEP mode,
5547 we will make it do it. If the card isn't associated, every secs we
5548 will switch WEP modes to see if that will help. If the card is
5549 associated we will check every minute to see if anything has
5550 changed. */
5551 static void timer_func( struct net_device *dev ) {
5552 struct airo_info *apriv = dev->ml_priv;
5553
5554 /* We don't have a link so try changing the authtype */
5555 readConfigRid(apriv, 0);
5556 disable_MAC(apriv, 0);
5557 switch(apriv->config.authType) {
5558 case AUTH_ENCRYPT:
5559 /* So drop to OPEN */
5560 apriv->config.authType = AUTH_OPEN;
5561 break;
5562 case AUTH_SHAREDKEY:
5563 if (apriv->keyindex < auto_wep) {
5564 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5565 apriv->config.authType = AUTH_SHAREDKEY;
5566 apriv->keyindex++;
5567 } else {
5568 /* Drop to ENCRYPT */
5569 apriv->keyindex = 0;
5570 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5571 apriv->config.authType = AUTH_ENCRYPT;
5572 }
5573 break;
5574 default: /* We'll escalate to SHAREDKEY */
5575 apriv->config.authType = AUTH_SHAREDKEY;
5576 }
5577 set_bit (FLAG_COMMIT, &apriv->flags);
5578 writeConfigRid(apriv, 0);
5579 enable_MAC(apriv, 0);
5580 up(&apriv->sem);
5581
5582 /* Schedule check to see if the change worked */
5583 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5584 apriv->expires = RUN_AT(HZ*3);
5585 }
5586
5587 #ifdef CONFIG_PCI
5588 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5589 const struct pci_device_id *pent)
5590 {
5591 struct net_device *dev;
5592
5593 if (pci_enable_device(pdev))
5594 return -ENODEV;
5595 pci_set_master(pdev);
5596
5597 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5598 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5599 else
5600 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5601 if (!dev) {
5602 pci_disable_device(pdev);
5603 return -ENODEV;
5604 }
5605
5606 pci_set_drvdata(pdev, dev);
5607 return 0;
5608 }
5609
5610 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5611 {
5612 struct net_device *dev = pci_get_drvdata(pdev);
5613
5614 airo_print_info(dev->name, "Unregistering...");
5615 stop_airo_card(dev, 1);
5616 pci_disable_device(pdev);
5617 pci_set_drvdata(pdev, NULL);
5618 }
5619
5620 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5621 {
5622 struct net_device *dev = pci_get_drvdata(pdev);
5623 struct airo_info *ai = dev->ml_priv;
5624 Cmd cmd;
5625 Resp rsp;
5626
5627 if (!ai->APList)
5628 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5629 if (!ai->APList)
5630 return -ENOMEM;
5631 if (!ai->SSID)
5632 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5633 if (!ai->SSID)
5634 return -ENOMEM;
5635 readAPListRid(ai, ai->APList);
5636 readSsidRid(ai, ai->SSID);
5637 memset(&cmd, 0, sizeof(cmd));
5638 /* the lock will be released at the end of the resume callback */
5639 if (down_interruptible(&ai->sem))
5640 return -EAGAIN;
5641 disable_MAC(ai, 0);
5642 netif_device_detach(dev);
5643 ai->power = state;
5644 cmd.cmd = HOSTSLEEP;
5645 issuecommand(ai, &cmd, &rsp);
5646
5647 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5648 pci_save_state(pdev);
5649 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5650 return 0;
5651 }
5652
5653 static int airo_pci_resume(struct pci_dev *pdev)
5654 {
5655 struct net_device *dev = pci_get_drvdata(pdev);
5656 struct airo_info *ai = dev->ml_priv;
5657 pci_power_t prev_state = pdev->current_state;
5658
5659 pci_set_power_state(pdev, PCI_D0);
5660 pci_restore_state(pdev);
5661 pci_enable_wake(pdev, PCI_D0, 0);
5662
5663 if (prev_state != PCI_D1) {
5664 reset_card(dev, 0);
5665 mpi_init_descriptors(ai);
5666 setup_card(ai, dev->dev_addr, 0);
5667 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5668 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5669 } else {
5670 OUT4500(ai, EVACK, EV_AWAKEN);
5671 OUT4500(ai, EVACK, EV_AWAKEN);
5672 msleep(100);
5673 }
5674
5675 set_bit(FLAG_COMMIT, &ai->flags);
5676 disable_MAC(ai, 0);
5677 msleep(200);
5678 if (ai->SSID) {
5679 writeSsidRid(ai, ai->SSID, 0);
5680 kfree(ai->SSID);
5681 ai->SSID = NULL;
5682 }
5683 if (ai->APList) {
5684 writeAPListRid(ai, ai->APList, 0);
5685 kfree(ai->APList);
5686 ai->APList = NULL;
5687 }
5688 writeConfigRid(ai, 0);
5689 enable_MAC(ai, 0);
5690 ai->power = PMSG_ON;
5691 netif_device_attach(dev);
5692 netif_wake_queue(dev);
5693 enable_interrupts(ai);
5694 up(&ai->sem);
5695 return 0;
5696 }
5697 #endif
5698
5699 static int __init airo_init_module( void )
5700 {
5701 int i;
5702
5703 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5704 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5705 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5706 return -EINVAL;
5707
5708 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5709
5710 if (airo_entry) {
5711 airo_entry->uid = proc_kuid;
5712 airo_entry->gid = proc_kgid;
5713 }
5714
5715 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5716 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5717 "io=0x%x", irq[i], io[i] );
5718 if (init_airo_card( irq[i], io[i], 0, NULL ))
5719 /* do nothing */ ;
5720 }
5721
5722 #ifdef CONFIG_PCI
5723 airo_print_info("", "Probing for PCI adapters");
5724 i = pci_register_driver(&airo_driver);
5725 airo_print_info("", "Finished probing for PCI adapters");
5726
5727 if (i) {
5728 remove_proc_entry("driver/aironet", NULL);
5729 return i;
5730 }
5731 #endif
5732
5733 /* Always exit with success, as we are a library module
5734 * as well as a driver module
5735 */
5736 return 0;
5737 }
5738
5739 static void __exit airo_cleanup_module( void )
5740 {
5741 struct airo_info *ai;
5742 while(!list_empty(&airo_devices)) {
5743 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5744 airo_print_info(ai->dev->name, "Unregistering...");
5745 stop_airo_card(ai->dev, 1);
5746 }
5747 #ifdef CONFIG_PCI
5748 pci_unregister_driver(&airo_driver);
5749 #endif
5750 remove_proc_entry("driver/aironet", NULL);
5751 }
5752
5753 /*
5754 * Initial Wireless Extension code for Aironet driver by :
5755 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5756 * Conversion to new driver API by :
5757 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5758 * Javier also did a good amount of work here, adding some new extensions
5759 * and fixing my code. Let's just say that without him this code just
5760 * would not work at all... - Jean II
5761 */
5762
5763 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5764 {
5765 if (!rssi_rid)
5766 return 0;
5767
5768 return (0x100 - rssi_rid[rssi].rssidBm);
5769 }
5770
5771 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5772 {
5773 int i;
5774
5775 if (!rssi_rid)
5776 return 0;
5777
5778 for (i = 0; i < 256; i++)
5779 if (rssi_rid[i].rssidBm == dbm)
5780 return rssi_rid[i].rssipct;
5781
5782 return 0;
5783 }
5784
5785
5786 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5787 {
5788 int quality = 0;
5789 u16 sq;
5790
5791 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5792 return 0;
5793
5794 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5795 return 0;
5796
5797 sq = le16_to_cpu(status_rid->signalQuality);
5798 if (memcmp(cap_rid->prodName, "350", 3))
5799 if (sq > 0x20)
5800 quality = 0;
5801 else
5802 quality = 0x20 - sq;
5803 else
5804 if (sq > 0xb0)
5805 quality = 0;
5806 else if (sq < 0x10)
5807 quality = 0xa0;
5808 else
5809 quality = 0xb0 - sq;
5810 return quality;
5811 }
5812
5813 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5814 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5815
5816 /*------------------------------------------------------------------*/
5817 /*
5818 * Wireless Handler : get protocol name
5819 */
5820 static int airo_get_name(struct net_device *dev,
5821 struct iw_request_info *info,
5822 char *cwrq,
5823 char *extra)
5824 {
5825 strcpy(cwrq, "IEEE 802.11-DS");
5826 return 0;
5827 }
5828
5829 /*------------------------------------------------------------------*/
5830 /*
5831 * Wireless Handler : set frequency
5832 */
5833 static int airo_set_freq(struct net_device *dev,
5834 struct iw_request_info *info,
5835 struct iw_freq *fwrq,
5836 char *extra)
5837 {
5838 struct airo_info *local = dev->ml_priv;
5839 int rc = -EINPROGRESS; /* Call commit handler */
5840
5841 /* If setting by frequency, convert to a channel */
5842 if(fwrq->e == 1) {
5843 int f = fwrq->m / 100000;
5844
5845 /* Hack to fall through... */
5846 fwrq->e = 0;
5847 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5848 }
5849 /* Setting by channel number */
5850 if((fwrq->m > 1000) || (fwrq->e > 0))
5851 rc = -EOPNOTSUPP;
5852 else {
5853 int channel = fwrq->m;
5854 /* We should do a better check than that,
5855 * based on the card capability !!! */
5856 if((channel < 1) || (channel > 14)) {
5857 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5858 fwrq->m);
5859 rc = -EINVAL;
5860 } else {
5861 readConfigRid(local, 1);
5862 /* Yes ! We can set it !!! */
5863 local->config.channelSet = cpu_to_le16(channel);
5864 set_bit (FLAG_COMMIT, &local->flags);
5865 }
5866 }
5867 return rc;
5868 }
5869
5870 /*------------------------------------------------------------------*/
5871 /*
5872 * Wireless Handler : get frequency
5873 */
5874 static int airo_get_freq(struct net_device *dev,
5875 struct iw_request_info *info,
5876 struct iw_freq *fwrq,
5877 char *extra)
5878 {
5879 struct airo_info *local = dev->ml_priv;
5880 StatusRid status_rid; /* Card status info */
5881 int ch;
5882
5883 readConfigRid(local, 1);
5884 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5885 status_rid.channel = local->config.channelSet;
5886 else
5887 readStatusRid(local, &status_rid, 1);
5888
5889 ch = le16_to_cpu(status_rid.channel);
5890 if((ch > 0) && (ch < 15)) {
5891 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5892 fwrq->e = 1;
5893 } else {
5894 fwrq->m = ch;
5895 fwrq->e = 0;
5896 }
5897
5898 return 0;
5899 }
5900
5901 /*------------------------------------------------------------------*/
5902 /*
5903 * Wireless Handler : set ESSID
5904 */
5905 static int airo_set_essid(struct net_device *dev,
5906 struct iw_request_info *info,
5907 struct iw_point *dwrq,
5908 char *extra)
5909 {
5910 struct airo_info *local = dev->ml_priv;
5911 SsidRid SSID_rid; /* SSIDs */
5912
5913 /* Reload the list of current SSID */
5914 readSsidRid(local, &SSID_rid);
5915
5916 /* Check if we asked for `any' */
5917 if (dwrq->flags == 0) {
5918 /* Just send an empty SSID list */
5919 memset(&SSID_rid, 0, sizeof(SSID_rid));
5920 } else {
5921 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5922
5923 /* Check the size of the string */
5924 if (dwrq->length > IW_ESSID_MAX_SIZE)
5925 return -E2BIG ;
5926
5927 /* Check if index is valid */
5928 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5929 return -EINVAL;
5930
5931 /* Set the SSID */
5932 memset(SSID_rid.ssids[index].ssid, 0,
5933 sizeof(SSID_rid.ssids[index].ssid));
5934 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5935 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5936 }
5937 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5938 /* Write it to the card */
5939 disable_MAC(local, 1);
5940 writeSsidRid(local, &SSID_rid, 1);
5941 enable_MAC(local, 1);
5942
5943 return 0;
5944 }
5945
5946 /*------------------------------------------------------------------*/
5947 /*
5948 * Wireless Handler : get ESSID
5949 */
5950 static int airo_get_essid(struct net_device *dev,
5951 struct iw_request_info *info,
5952 struct iw_point *dwrq,
5953 char *extra)
5954 {
5955 struct airo_info *local = dev->ml_priv;
5956 StatusRid status_rid; /* Card status info */
5957
5958 readStatusRid(local, &status_rid, 1);
5959
5960 /* Note : if dwrq->flags != 0, we should
5961 * get the relevant SSID from the SSID list... */
5962
5963 /* Get the current SSID */
5964 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5965 /* If none, we may want to get the one that was set */
5966
5967 /* Push it out ! */
5968 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5969 dwrq->flags = 1; /* active */
5970
5971 return 0;
5972 }
5973
5974 /*------------------------------------------------------------------*/
5975 /*
5976 * Wireless Handler : set AP address
5977 */
5978 static int airo_set_wap(struct net_device *dev,
5979 struct iw_request_info *info,
5980 struct sockaddr *awrq,
5981 char *extra)
5982 {
5983 struct airo_info *local = dev->ml_priv;
5984 Cmd cmd;
5985 Resp rsp;
5986 APListRid APList_rid;
5987 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5988 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5989
5990 if (awrq->sa_family != ARPHRD_ETHER)
5991 return -EINVAL;
5992 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5993 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5994 memset(&cmd, 0, sizeof(cmd));
5995 cmd.cmd=CMD_LOSE_SYNC;
5996 if (down_interruptible(&local->sem))
5997 return -ERESTARTSYS;
5998 issuecommand(local, &cmd, &rsp);
5999 up(&local->sem);
6000 } else {
6001 memset(&APList_rid, 0, sizeof(APList_rid));
6002 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6003 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6004 disable_MAC(local, 1);
6005 writeAPListRid(local, &APList_rid, 1);
6006 enable_MAC(local, 1);
6007 }
6008 return 0;
6009 }
6010
6011 /*------------------------------------------------------------------*/
6012 /*
6013 * Wireless Handler : get AP address
6014 */
6015 static int airo_get_wap(struct net_device *dev,
6016 struct iw_request_info *info,
6017 struct sockaddr *awrq,
6018 char *extra)
6019 {
6020 struct airo_info *local = dev->ml_priv;
6021 StatusRid status_rid; /* Card status info */
6022
6023 readStatusRid(local, &status_rid, 1);
6024
6025 /* Tentative. This seems to work, wow, I'm lucky !!! */
6026 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6027 awrq->sa_family = ARPHRD_ETHER;
6028
6029 return 0;
6030 }
6031
6032 /*------------------------------------------------------------------*/
6033 /*
6034 * Wireless Handler : set Nickname
6035 */
6036 static int airo_set_nick(struct net_device *dev,
6037 struct iw_request_info *info,
6038 struct iw_point *dwrq,
6039 char *extra)
6040 {
6041 struct airo_info *local = dev->ml_priv;
6042
6043 /* Check the size of the string */
6044 if(dwrq->length > 16) {
6045 return -E2BIG;
6046 }
6047 readConfigRid(local, 1);
6048 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6049 memcpy(local->config.nodeName, extra, dwrq->length);
6050 set_bit (FLAG_COMMIT, &local->flags);
6051
6052 return -EINPROGRESS; /* Call commit handler */
6053 }
6054
6055 /*------------------------------------------------------------------*/
6056 /*
6057 * Wireless Handler : get Nickname
6058 */
6059 static int airo_get_nick(struct net_device *dev,
6060 struct iw_request_info *info,
6061 struct iw_point *dwrq,
6062 char *extra)
6063 {
6064 struct airo_info *local = dev->ml_priv;
6065
6066 readConfigRid(local, 1);
6067 strncpy(extra, local->config.nodeName, 16);
6068 extra[16] = '\0';
6069 dwrq->length = strlen(extra);
6070
6071 return 0;
6072 }
6073
6074 /*------------------------------------------------------------------*/
6075 /*
6076 * Wireless Handler : set Bit-Rate
6077 */
6078 static int airo_set_rate(struct net_device *dev,
6079 struct iw_request_info *info,
6080 struct iw_param *vwrq,
6081 char *extra)
6082 {
6083 struct airo_info *local = dev->ml_priv;
6084 CapabilityRid cap_rid; /* Card capability info */
6085 u8 brate = 0;
6086 int i;
6087
6088 /* First : get a valid bit rate value */
6089 readCapabilityRid(local, &cap_rid, 1);
6090
6091 /* Which type of value ? */
6092 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6093 /* Setting by rate index */
6094 /* Find value in the magic rate table */
6095 brate = cap_rid.supportedRates[vwrq->value];
6096 } else {
6097 /* Setting by frequency value */
6098 u8 normvalue = (u8) (vwrq->value/500000);
6099
6100 /* Check if rate is valid */
6101 for(i = 0 ; i < 8 ; i++) {
6102 if(normvalue == cap_rid.supportedRates[i]) {
6103 brate = normvalue;
6104 break;
6105 }
6106 }
6107 }
6108 /* -1 designed the max rate (mostly auto mode) */
6109 if(vwrq->value == -1) {
6110 /* Get the highest available rate */
6111 for(i = 0 ; i < 8 ; i++) {
6112 if(cap_rid.supportedRates[i] == 0)
6113 break;
6114 }
6115 if(i != 0)
6116 brate = cap_rid.supportedRates[i - 1];
6117 }
6118 /* Check that it is valid */
6119 if(brate == 0) {
6120 return -EINVAL;
6121 }
6122
6123 readConfigRid(local, 1);
6124 /* Now, check if we want a fixed or auto value */
6125 if(vwrq->fixed == 0) {
6126 /* Fill all the rates up to this max rate */
6127 memset(local->config.rates, 0, 8);
6128 for(i = 0 ; i < 8 ; i++) {
6129 local->config.rates[i] = cap_rid.supportedRates[i];
6130 if(local->config.rates[i] == brate)
6131 break;
6132 }
6133 } else {
6134 /* Fixed mode */
6135 /* One rate, fixed */
6136 memset(local->config.rates, 0, 8);
6137 local->config.rates[0] = brate;
6138 }
6139 set_bit (FLAG_COMMIT, &local->flags);
6140
6141 return -EINPROGRESS; /* Call commit handler */
6142 }
6143
6144 /*------------------------------------------------------------------*/
6145 /*
6146 * Wireless Handler : get Bit-Rate
6147 */
6148 static int airo_get_rate(struct net_device *dev,
6149 struct iw_request_info *info,
6150 struct iw_param *vwrq,
6151 char *extra)
6152 {
6153 struct airo_info *local = dev->ml_priv;
6154 StatusRid status_rid; /* Card status info */
6155
6156 readStatusRid(local, &status_rid, 1);
6157
6158 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6159 /* If more than one rate, set auto */
6160 readConfigRid(local, 1);
6161 vwrq->fixed = (local->config.rates[1] == 0);
6162
6163 return 0;
6164 }
6165
6166 /*------------------------------------------------------------------*/
6167 /*
6168 * Wireless Handler : set RTS threshold
6169 */
6170 static int airo_set_rts(struct net_device *dev,
6171 struct iw_request_info *info,
6172 struct iw_param *vwrq,
6173 char *extra)
6174 {
6175 struct airo_info *local = dev->ml_priv;
6176 int rthr = vwrq->value;
6177
6178 if(vwrq->disabled)
6179 rthr = AIRO_DEF_MTU;
6180 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6181 return -EINVAL;
6182 }
6183 readConfigRid(local, 1);
6184 local->config.rtsThres = cpu_to_le16(rthr);
6185 set_bit (FLAG_COMMIT, &local->flags);
6186
6187 return -EINPROGRESS; /* Call commit handler */
6188 }
6189
6190 /*------------------------------------------------------------------*/
6191 /*
6192 * Wireless Handler : get RTS threshold
6193 */
6194 static int airo_get_rts(struct net_device *dev,
6195 struct iw_request_info *info,
6196 struct iw_param *vwrq,
6197 char *extra)
6198 {
6199 struct airo_info *local = dev->ml_priv;
6200
6201 readConfigRid(local, 1);
6202 vwrq->value = le16_to_cpu(local->config.rtsThres);
6203 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6204 vwrq->fixed = 1;
6205
6206 return 0;
6207 }
6208
6209 /*------------------------------------------------------------------*/
6210 /*
6211 * Wireless Handler : set Fragmentation threshold
6212 */
6213 static int airo_set_frag(struct net_device *dev,
6214 struct iw_request_info *info,
6215 struct iw_param *vwrq,
6216 char *extra)
6217 {
6218 struct airo_info *local = dev->ml_priv;
6219 int fthr = vwrq->value;
6220
6221 if(vwrq->disabled)
6222 fthr = AIRO_DEF_MTU;
6223 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6224 return -EINVAL;
6225 }
6226 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6227 readConfigRid(local, 1);
6228 local->config.fragThresh = cpu_to_le16(fthr);
6229 set_bit (FLAG_COMMIT, &local->flags);
6230
6231 return -EINPROGRESS; /* Call commit handler */
6232 }
6233
6234 /*------------------------------------------------------------------*/
6235 /*
6236 * Wireless Handler : get Fragmentation threshold
6237 */
6238 static int airo_get_frag(struct net_device *dev,
6239 struct iw_request_info *info,
6240 struct iw_param *vwrq,
6241 char *extra)
6242 {
6243 struct airo_info *local = dev->ml_priv;
6244
6245 readConfigRid(local, 1);
6246 vwrq->value = le16_to_cpu(local->config.fragThresh);
6247 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6248 vwrq->fixed = 1;
6249
6250 return 0;
6251 }
6252
6253 /*------------------------------------------------------------------*/
6254 /*
6255 * Wireless Handler : set Mode of Operation
6256 */
6257 static int airo_set_mode(struct net_device *dev,
6258 struct iw_request_info *info,
6259 __u32 *uwrq,
6260 char *extra)
6261 {
6262 struct airo_info *local = dev->ml_priv;
6263 int reset = 0;
6264
6265 readConfigRid(local, 1);
6266 if (sniffing_mode(local))
6267 reset = 1;
6268
6269 switch(*uwrq) {
6270 case IW_MODE_ADHOC:
6271 local->config.opmode &= ~MODE_CFG_MASK;
6272 local->config.opmode |= MODE_STA_IBSS;
6273 local->config.rmode &= ~RXMODE_FULL_MASK;
6274 local->config.scanMode = SCANMODE_ACTIVE;
6275 clear_bit (FLAG_802_11, &local->flags);
6276 break;
6277 case IW_MODE_INFRA:
6278 local->config.opmode &= ~MODE_CFG_MASK;
6279 local->config.opmode |= MODE_STA_ESS;
6280 local->config.rmode &= ~RXMODE_FULL_MASK;
6281 local->config.scanMode = SCANMODE_ACTIVE;
6282 clear_bit (FLAG_802_11, &local->flags);
6283 break;
6284 case IW_MODE_MASTER:
6285 local->config.opmode &= ~MODE_CFG_MASK;
6286 local->config.opmode |= MODE_AP;
6287 local->config.rmode &= ~RXMODE_FULL_MASK;
6288 local->config.scanMode = SCANMODE_ACTIVE;
6289 clear_bit (FLAG_802_11, &local->flags);
6290 break;
6291 case IW_MODE_REPEAT:
6292 local->config.opmode &= ~MODE_CFG_MASK;
6293 local->config.opmode |= MODE_AP_RPTR;
6294 local->config.rmode &= ~RXMODE_FULL_MASK;
6295 local->config.scanMode = SCANMODE_ACTIVE;
6296 clear_bit (FLAG_802_11, &local->flags);
6297 break;
6298 case IW_MODE_MONITOR:
6299 local->config.opmode &= ~MODE_CFG_MASK;
6300 local->config.opmode |= MODE_STA_ESS;
6301 local->config.rmode &= ~RXMODE_FULL_MASK;
6302 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6303 local->config.scanMode = SCANMODE_PASSIVE;
6304 set_bit (FLAG_802_11, &local->flags);
6305 break;
6306 default:
6307 return -EINVAL;
6308 }
6309 if (reset)
6310 set_bit (FLAG_RESET, &local->flags);
6311 set_bit (FLAG_COMMIT, &local->flags);
6312
6313 return -EINPROGRESS; /* Call commit handler */
6314 }
6315
6316 /*------------------------------------------------------------------*/
6317 /*
6318 * Wireless Handler : get Mode of Operation
6319 */
6320 static int airo_get_mode(struct net_device *dev,
6321 struct iw_request_info *info,
6322 __u32 *uwrq,
6323 char *extra)
6324 {
6325 struct airo_info *local = dev->ml_priv;
6326
6327 readConfigRid(local, 1);
6328 /* If not managed, assume it's ad-hoc */
6329 switch (local->config.opmode & MODE_CFG_MASK) {
6330 case MODE_STA_ESS:
6331 *uwrq = IW_MODE_INFRA;
6332 break;
6333 case MODE_AP:
6334 *uwrq = IW_MODE_MASTER;
6335 break;
6336 case MODE_AP_RPTR:
6337 *uwrq = IW_MODE_REPEAT;
6338 break;
6339 default:
6340 *uwrq = IW_MODE_ADHOC;
6341 }
6342
6343 return 0;
6344 }
6345
6346 static inline int valid_index(struct airo_info *ai, int index)
6347 {
6348 return (index >= 0) && (index <= ai->max_wep_idx);
6349 }
6350
6351 /*------------------------------------------------------------------*/
6352 /*
6353 * Wireless Handler : set Encryption Key
6354 */
6355 static int airo_set_encode(struct net_device *dev,
6356 struct iw_request_info *info,
6357 struct iw_point *dwrq,
6358 char *extra)
6359 {
6360 struct airo_info *local = dev->ml_priv;
6361 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6362 __le16 currentAuthType = local->config.authType;
6363 int rc = 0;
6364
6365 if (!local->wep_capable)
6366 return -EOPNOTSUPP;
6367
6368 readConfigRid(local, 1);
6369
6370 /* Basic checking: do we have a key to set ?
6371 * Note : with the new API, it's impossible to get a NULL pointer.
6372 * Therefore, we need to check a key size == 0 instead.
6373 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6374 * when no key is present (only change flags), but older versions
6375 * don't do it. - Jean II */
6376 if (dwrq->length > 0) {
6377 wep_key_t key;
6378 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6379 int current_index;
6380
6381 /* Check the size of the key */
6382 if (dwrq->length > MAX_KEY_SIZE) {
6383 return -EINVAL;
6384 }
6385
6386 current_index = get_wep_tx_idx(local);
6387 if (current_index < 0)
6388 current_index = 0;
6389
6390 /* Check the index (none -> use current) */
6391 if (!valid_index(local, index))
6392 index = current_index;
6393
6394 /* Set the length */
6395 if (dwrq->length > MIN_KEY_SIZE)
6396 key.len = MAX_KEY_SIZE;
6397 else
6398 key.len = MIN_KEY_SIZE;
6399 /* Check if the key is not marked as invalid */
6400 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6401 /* Cleanup */
6402 memset(key.key, 0, MAX_KEY_SIZE);
6403 /* Copy the key in the driver */
6404 memcpy(key.key, extra, dwrq->length);
6405 /* Send the key to the card */
6406 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6407 if (rc < 0) {
6408 airo_print_err(local->dev->name, "failed to set"
6409 " WEP key at index %d: %d.",
6410 index, rc);
6411 return rc;
6412 }
6413 }
6414 /* WE specify that if a valid key is set, encryption
6415 * should be enabled (user may turn it off later)
6416 * This is also how "iwconfig ethX key on" works */
6417 if((index == current_index) && (key.len > 0) &&
6418 (local->config.authType == AUTH_OPEN)) {
6419 local->config.authType = AUTH_ENCRYPT;
6420 }
6421 } else {
6422 /* Do we want to just set the transmit key index ? */
6423 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6424 if (valid_index(local, index)) {
6425 rc = set_wep_tx_idx(local, index, perm, 1);
6426 if (rc < 0) {
6427 airo_print_err(local->dev->name, "failed to set"
6428 " WEP transmit index to %d: %d.",
6429 index, rc);
6430 return rc;
6431 }
6432 } else {
6433 /* Don't complain if only change the mode */
6434 if (!(dwrq->flags & IW_ENCODE_MODE))
6435 return -EINVAL;
6436 }
6437 }
6438 /* Read the flags */
6439 if(dwrq->flags & IW_ENCODE_DISABLED)
6440 local->config.authType = AUTH_OPEN; // disable encryption
6441 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6442 local->config.authType = AUTH_SHAREDKEY; // Only Both
6443 if(dwrq->flags & IW_ENCODE_OPEN)
6444 local->config.authType = AUTH_ENCRYPT; // Only Wep
6445 /* Commit the changes to flags if needed */
6446 if (local->config.authType != currentAuthType)
6447 set_bit (FLAG_COMMIT, &local->flags);
6448 return -EINPROGRESS; /* Call commit handler */
6449 }
6450
6451 /*------------------------------------------------------------------*/
6452 /*
6453 * Wireless Handler : get Encryption Key
6454 */
6455 static int airo_get_encode(struct net_device *dev,
6456 struct iw_request_info *info,
6457 struct iw_point *dwrq,
6458 char *extra)
6459 {
6460 struct airo_info *local = dev->ml_priv;
6461 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6462 int wep_key_len;
6463 u8 buf[16];
6464
6465 if (!local->wep_capable)
6466 return -EOPNOTSUPP;
6467
6468 readConfigRid(local, 1);
6469
6470 /* Check encryption mode */
6471 switch(local->config.authType) {
6472 case AUTH_ENCRYPT:
6473 dwrq->flags = IW_ENCODE_OPEN;
6474 break;
6475 case AUTH_SHAREDKEY:
6476 dwrq->flags = IW_ENCODE_RESTRICTED;
6477 break;
6478 default:
6479 case AUTH_OPEN:
6480 dwrq->flags = IW_ENCODE_DISABLED;
6481 break;
6482 }
6483 /* We can't return the key, so set the proper flag and return zero */
6484 dwrq->flags |= IW_ENCODE_NOKEY;
6485 memset(extra, 0, 16);
6486
6487 /* Which key do we want ? -1 -> tx index */
6488 if (!valid_index(local, index)) {
6489 index = get_wep_tx_idx(local);
6490 if (index < 0)
6491 index = 0;
6492 }
6493 dwrq->flags |= index + 1;
6494
6495 /* Copy the key to the user buffer */
6496 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6497 if (wep_key_len < 0) {
6498 dwrq->length = 0;
6499 } else {
6500 dwrq->length = wep_key_len;
6501 memcpy(extra, buf, dwrq->length);
6502 }
6503
6504 return 0;
6505 }
6506
6507 /*------------------------------------------------------------------*/
6508 /*
6509 * Wireless Handler : set extended Encryption parameters
6510 */
6511 static int airo_set_encodeext(struct net_device *dev,
6512 struct iw_request_info *info,
6513 union iwreq_data *wrqu,
6514 char *extra)
6515 {
6516 struct airo_info *local = dev->ml_priv;
6517 struct iw_point *encoding = &wrqu->encoding;
6518 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6519 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6520 __le16 currentAuthType = local->config.authType;
6521 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6522 wep_key_t key;
6523
6524 if (!local->wep_capable)
6525 return -EOPNOTSUPP;
6526
6527 readConfigRid(local, 1);
6528
6529 /* Determine and validate the key index */
6530 idx = encoding->flags & IW_ENCODE_INDEX;
6531 if (idx) {
6532 if (!valid_index(local, idx - 1))
6533 return -EINVAL;
6534 idx--;
6535 } else {
6536 idx = get_wep_tx_idx(local);
6537 if (idx < 0)
6538 idx = 0;
6539 }
6540
6541 if (encoding->flags & IW_ENCODE_DISABLED)
6542 alg = IW_ENCODE_ALG_NONE;
6543
6544 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6545 /* Only set transmit key index here, actual
6546 * key is set below if needed.
6547 */
6548 rc = set_wep_tx_idx(local, idx, perm, 1);
6549 if (rc < 0) {
6550 airo_print_err(local->dev->name, "failed to set "
6551 "WEP transmit index to %d: %d.",
6552 idx, rc);
6553 return rc;
6554 }
6555 set_key = ext->key_len > 0 ? 1 : 0;
6556 }
6557
6558 if (set_key) {
6559 /* Set the requested key first */
6560 memset(key.key, 0, MAX_KEY_SIZE);
6561 switch (alg) {
6562 case IW_ENCODE_ALG_NONE:
6563 key.len = 0;
6564 break;
6565 case IW_ENCODE_ALG_WEP:
6566 if (ext->key_len > MIN_KEY_SIZE) {
6567 key.len = MAX_KEY_SIZE;
6568 } else if (ext->key_len > 0) {
6569 key.len = MIN_KEY_SIZE;
6570 } else {
6571 return -EINVAL;
6572 }
6573 key_len = min (ext->key_len, key.len);
6574 memcpy(key.key, ext->key, key_len);
6575 break;
6576 default:
6577 return -EINVAL;
6578 }
6579 if (key.len == 0) {
6580 rc = set_wep_tx_idx(local, idx, perm, 1);
6581 if (rc < 0) {
6582 airo_print_err(local->dev->name,
6583 "failed to set WEP transmit index to %d: %d.",
6584 idx, rc);
6585 return rc;
6586 }
6587 } else {
6588 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6589 if (rc < 0) {
6590 airo_print_err(local->dev->name,
6591 "failed to set WEP key at index %d: %d.",
6592 idx, rc);
6593 return rc;
6594 }
6595 }
6596 }
6597
6598 /* Read the flags */
6599 if(encoding->flags & IW_ENCODE_DISABLED)
6600 local->config.authType = AUTH_OPEN; // disable encryption
6601 if(encoding->flags & IW_ENCODE_RESTRICTED)
6602 local->config.authType = AUTH_SHAREDKEY; // Only Both
6603 if(encoding->flags & IW_ENCODE_OPEN)
6604 local->config.authType = AUTH_ENCRYPT; // Only Wep
6605 /* Commit the changes to flags if needed */
6606 if (local->config.authType != currentAuthType)
6607 set_bit (FLAG_COMMIT, &local->flags);
6608
6609 return -EINPROGRESS;
6610 }
6611
6612
6613 /*------------------------------------------------------------------*/
6614 /*
6615 * Wireless Handler : get extended Encryption parameters
6616 */
6617 static int airo_get_encodeext(struct net_device *dev,
6618 struct iw_request_info *info,
6619 union iwreq_data *wrqu,
6620 char *extra)
6621 {
6622 struct airo_info *local = dev->ml_priv;
6623 struct iw_point *encoding = &wrqu->encoding;
6624 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6625 int idx, max_key_len, wep_key_len;
6626 u8 buf[16];
6627
6628 if (!local->wep_capable)
6629 return -EOPNOTSUPP;
6630
6631 readConfigRid(local, 1);
6632
6633 max_key_len = encoding->length - sizeof(*ext);
6634 if (max_key_len < 0)
6635 return -EINVAL;
6636
6637 idx = encoding->flags & IW_ENCODE_INDEX;
6638 if (idx) {
6639 if (!valid_index(local, idx - 1))
6640 return -EINVAL;
6641 idx--;
6642 } else {
6643 idx = get_wep_tx_idx(local);
6644 if (idx < 0)
6645 idx = 0;
6646 }
6647
6648 encoding->flags = idx + 1;
6649 memset(ext, 0, sizeof(*ext));
6650
6651 /* Check encryption mode */
6652 switch(local->config.authType) {
6653 case AUTH_ENCRYPT:
6654 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6655 break;
6656 case AUTH_SHAREDKEY:
6657 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6658 break;
6659 default:
6660 case AUTH_OPEN:
6661 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6662 break;
6663 }
6664 /* We can't return the key, so set the proper flag and return zero */
6665 encoding->flags |= IW_ENCODE_NOKEY;
6666 memset(extra, 0, 16);
6667
6668 /* Copy the key to the user buffer */
6669 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6670 if (wep_key_len < 0) {
6671 ext->key_len = 0;
6672 } else {
6673 ext->key_len = wep_key_len;
6674 memcpy(extra, buf, ext->key_len);
6675 }
6676
6677 return 0;
6678 }
6679
6680
6681 /*------------------------------------------------------------------*/
6682 /*
6683 * Wireless Handler : set extended authentication parameters
6684 */
6685 static int airo_set_auth(struct net_device *dev,
6686 struct iw_request_info *info,
6687 union iwreq_data *wrqu, char *extra)
6688 {
6689 struct airo_info *local = dev->ml_priv;
6690 struct iw_param *param = &wrqu->param;
6691 __le16 currentAuthType = local->config.authType;
6692
6693 switch (param->flags & IW_AUTH_INDEX) {
6694 case IW_AUTH_WPA_VERSION:
6695 case IW_AUTH_CIPHER_PAIRWISE:
6696 case IW_AUTH_CIPHER_GROUP:
6697 case IW_AUTH_KEY_MGMT:
6698 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6699 case IW_AUTH_PRIVACY_INVOKED:
6700 /*
6701 * airo does not use these parameters
6702 */
6703 break;
6704
6705 case IW_AUTH_DROP_UNENCRYPTED:
6706 if (param->value) {
6707 /* Only change auth type if unencrypted */
6708 if (currentAuthType == AUTH_OPEN)
6709 local->config.authType = AUTH_ENCRYPT;
6710 } else {
6711 local->config.authType = AUTH_OPEN;
6712 }
6713
6714 /* Commit the changes to flags if needed */
6715 if (local->config.authType != currentAuthType)
6716 set_bit (FLAG_COMMIT, &local->flags);
6717 break;
6718
6719 case IW_AUTH_80211_AUTH_ALG: {
6720 /* FIXME: What about AUTH_OPEN? This API seems to
6721 * disallow setting our auth to AUTH_OPEN.
6722 */
6723 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6724 local->config.authType = AUTH_SHAREDKEY;
6725 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6726 local->config.authType = AUTH_ENCRYPT;
6727 } else
6728 return -EINVAL;
6729
6730 /* Commit the changes to flags if needed */
6731 if (local->config.authType != currentAuthType)
6732 set_bit (FLAG_COMMIT, &local->flags);
6733 break;
6734 }
6735
6736 case IW_AUTH_WPA_ENABLED:
6737 /* Silently accept disable of WPA */
6738 if (param->value > 0)
6739 return -EOPNOTSUPP;
6740 break;
6741
6742 default:
6743 return -EOPNOTSUPP;
6744 }
6745 return -EINPROGRESS;
6746 }
6747
6748
6749 /*------------------------------------------------------------------*/
6750 /*
6751 * Wireless Handler : get extended authentication parameters
6752 */
6753 static int airo_get_auth(struct net_device *dev,
6754 struct iw_request_info *info,
6755 union iwreq_data *wrqu, char *extra)
6756 {
6757 struct airo_info *local = dev->ml_priv;
6758 struct iw_param *param = &wrqu->param;
6759 __le16 currentAuthType = local->config.authType;
6760
6761 switch (param->flags & IW_AUTH_INDEX) {
6762 case IW_AUTH_DROP_UNENCRYPTED:
6763 switch (currentAuthType) {
6764 case AUTH_SHAREDKEY:
6765 case AUTH_ENCRYPT:
6766 param->value = 1;
6767 break;
6768 default:
6769 param->value = 0;
6770 break;
6771 }
6772 break;
6773
6774 case IW_AUTH_80211_AUTH_ALG:
6775 switch (currentAuthType) {
6776 case AUTH_SHAREDKEY:
6777 param->value = IW_AUTH_ALG_SHARED_KEY;
6778 break;
6779 case AUTH_ENCRYPT:
6780 default:
6781 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6782 break;
6783 }
6784 break;
6785
6786 case IW_AUTH_WPA_ENABLED:
6787 param->value = 0;
6788 break;
6789
6790 default:
6791 return -EOPNOTSUPP;
6792 }
6793 return 0;
6794 }
6795
6796
6797 /*------------------------------------------------------------------*/
6798 /*
6799 * Wireless Handler : set Tx-Power
6800 */
6801 static int airo_set_txpow(struct net_device *dev,
6802 struct iw_request_info *info,
6803 struct iw_param *vwrq,
6804 char *extra)
6805 {
6806 struct airo_info *local = dev->ml_priv;
6807 CapabilityRid cap_rid; /* Card capability info */
6808 int i;
6809 int rc = -EINVAL;
6810 __le16 v = cpu_to_le16(vwrq->value);
6811
6812 readCapabilityRid(local, &cap_rid, 1);
6813
6814 if (vwrq->disabled) {
6815 set_bit (FLAG_RADIO_OFF, &local->flags);
6816 set_bit (FLAG_COMMIT, &local->flags);
6817 return -EINPROGRESS; /* Call commit handler */
6818 }
6819 if (vwrq->flags != IW_TXPOW_MWATT) {
6820 return -EINVAL;
6821 }
6822 clear_bit (FLAG_RADIO_OFF, &local->flags);
6823 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6824 if (v == cap_rid.txPowerLevels[i]) {
6825 readConfigRid(local, 1);
6826 local->config.txPower = v;
6827 set_bit (FLAG_COMMIT, &local->flags);
6828 rc = -EINPROGRESS; /* Call commit handler */
6829 break;
6830 }
6831 return rc;
6832 }
6833
6834 /*------------------------------------------------------------------*/
6835 /*
6836 * Wireless Handler : get Tx-Power
6837 */
6838 static int airo_get_txpow(struct net_device *dev,
6839 struct iw_request_info *info,
6840 struct iw_param *vwrq,
6841 char *extra)
6842 {
6843 struct airo_info *local = dev->ml_priv;
6844
6845 readConfigRid(local, 1);
6846 vwrq->value = le16_to_cpu(local->config.txPower);
6847 vwrq->fixed = 1; /* No power control */
6848 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6849 vwrq->flags = IW_TXPOW_MWATT;
6850
6851 return 0;
6852 }
6853
6854 /*------------------------------------------------------------------*/
6855 /*
6856 * Wireless Handler : set Retry limits
6857 */
6858 static int airo_set_retry(struct net_device *dev,
6859 struct iw_request_info *info,
6860 struct iw_param *vwrq,
6861 char *extra)
6862 {
6863 struct airo_info *local = dev->ml_priv;
6864 int rc = -EINVAL;
6865
6866 if(vwrq->disabled) {
6867 return -EINVAL;
6868 }
6869 readConfigRid(local, 1);
6870 if(vwrq->flags & IW_RETRY_LIMIT) {
6871 __le16 v = cpu_to_le16(vwrq->value);
6872 if(vwrq->flags & IW_RETRY_LONG)
6873 local->config.longRetryLimit = v;
6874 else if (vwrq->flags & IW_RETRY_SHORT)
6875 local->config.shortRetryLimit = v;
6876 else {
6877 /* No modifier : set both */
6878 local->config.longRetryLimit = v;
6879 local->config.shortRetryLimit = v;
6880 }
6881 set_bit (FLAG_COMMIT, &local->flags);
6882 rc = -EINPROGRESS; /* Call commit handler */
6883 }
6884 if(vwrq->flags & IW_RETRY_LIFETIME) {
6885 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6886 set_bit (FLAG_COMMIT, &local->flags);
6887 rc = -EINPROGRESS; /* Call commit handler */
6888 }
6889 return rc;
6890 }
6891
6892 /*------------------------------------------------------------------*/
6893 /*
6894 * Wireless Handler : get Retry limits
6895 */
6896 static int airo_get_retry(struct net_device *dev,
6897 struct iw_request_info *info,
6898 struct iw_param *vwrq,
6899 char *extra)
6900 {
6901 struct airo_info *local = dev->ml_priv;
6902
6903 vwrq->disabled = 0; /* Can't be disabled */
6904
6905 readConfigRid(local, 1);
6906 /* Note : by default, display the min retry number */
6907 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6908 vwrq->flags = IW_RETRY_LIFETIME;
6909 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6910 } else if((vwrq->flags & IW_RETRY_LONG)) {
6911 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6912 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6913 } else {
6914 vwrq->flags = IW_RETRY_LIMIT;
6915 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6916 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6917 vwrq->flags |= IW_RETRY_SHORT;
6918 }
6919
6920 return 0;
6921 }
6922
6923 /*------------------------------------------------------------------*/
6924 /*
6925 * Wireless Handler : get range info
6926 */
6927 static int airo_get_range(struct net_device *dev,
6928 struct iw_request_info *info,
6929 struct iw_point *dwrq,
6930 char *extra)
6931 {
6932 struct airo_info *local = dev->ml_priv;
6933 struct iw_range *range = (struct iw_range *) extra;
6934 CapabilityRid cap_rid; /* Card capability info */
6935 int i;
6936 int k;
6937
6938 readCapabilityRid(local, &cap_rid, 1);
6939
6940 dwrq->length = sizeof(struct iw_range);
6941 memset(range, 0, sizeof(*range));
6942 range->min_nwid = 0x0000;
6943 range->max_nwid = 0x0000;
6944 range->num_channels = 14;
6945 /* Should be based on cap_rid.country to give only
6946 * what the current card support */
6947 k = 0;
6948 for(i = 0; i < 14; i++) {
6949 range->freq[k].i = i + 1; /* List index */
6950 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6951 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6952 }
6953 range->num_frequency = k;
6954
6955 range->sensitivity = 65535;
6956
6957 /* Hum... Should put the right values there */
6958 if (local->rssi)
6959 range->max_qual.qual = 100; /* % */
6960 else
6961 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6962 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6963 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6964
6965 /* Experimental measurements - boundary 11/5.5 Mb/s */
6966 /* Note : with or without the (local->rssi), results
6967 * are somewhat different. - Jean II */
6968 if (local->rssi) {
6969 range->avg_qual.qual = 50; /* % */
6970 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6971 } else {
6972 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6973 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6974 }
6975 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6976
6977 for(i = 0 ; i < 8 ; i++) {
6978 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6979 if(range->bitrate[i] == 0)
6980 break;
6981 }
6982 range->num_bitrates = i;
6983
6984 /* Set an indication of the max TCP throughput
6985 * in bit/s that we can expect using this interface.
6986 * May be use for QoS stuff... Jean II */
6987 if(i > 2)
6988 range->throughput = 5000 * 1000;
6989 else
6990 range->throughput = 1500 * 1000;
6991
6992 range->min_rts = 0;
6993 range->max_rts = AIRO_DEF_MTU;
6994 range->min_frag = 256;
6995 range->max_frag = AIRO_DEF_MTU;
6996
6997 if(cap_rid.softCap & cpu_to_le16(2)) {
6998 // WEP: RC4 40 bits
6999 range->encoding_size[0] = 5;
7000 // RC4 ~128 bits
7001 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7002 range->encoding_size[1] = 13;
7003 range->num_encoding_sizes = 2;
7004 } else
7005 range->num_encoding_sizes = 1;
7006 range->max_encoding_tokens =
7007 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7008 } else {
7009 range->num_encoding_sizes = 0;
7010 range->max_encoding_tokens = 0;
7011 }
7012 range->min_pmp = 0;
7013 range->max_pmp = 5000000; /* 5 secs */
7014 range->min_pmt = 0;
7015 range->max_pmt = 65535 * 1024; /* ??? */
7016 range->pmp_flags = IW_POWER_PERIOD;
7017 range->pmt_flags = IW_POWER_TIMEOUT;
7018 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7019
7020 /* Transmit Power - values are in mW */
7021 for(i = 0 ; i < 8 ; i++) {
7022 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7023 if(range->txpower[i] == 0)
7024 break;
7025 }
7026 range->num_txpower = i;
7027 range->txpower_capa = IW_TXPOW_MWATT;
7028 range->we_version_source = 19;
7029 range->we_version_compiled = WIRELESS_EXT;
7030 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7031 range->retry_flags = IW_RETRY_LIMIT;
7032 range->r_time_flags = IW_RETRY_LIFETIME;
7033 range->min_retry = 1;
7034 range->max_retry = 65535;
7035 range->min_r_time = 1024;
7036 range->max_r_time = 65535 * 1024;
7037
7038 /* Event capability (kernel + driver) */
7039 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7040 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7041 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7042 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7043 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7044 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7045 return 0;
7046 }
7047
7048 /*------------------------------------------------------------------*/
7049 /*
7050 * Wireless Handler : set Power Management
7051 */
7052 static int airo_set_power(struct net_device *dev,
7053 struct iw_request_info *info,
7054 struct iw_param *vwrq,
7055 char *extra)
7056 {
7057 struct airo_info *local = dev->ml_priv;
7058
7059 readConfigRid(local, 1);
7060 if (vwrq->disabled) {
7061 if (sniffing_mode(local))
7062 return -EINVAL;
7063 local->config.powerSaveMode = POWERSAVE_CAM;
7064 local->config.rmode &= ~RXMODE_MASK;
7065 local->config.rmode |= RXMODE_BC_MC_ADDR;
7066 set_bit (FLAG_COMMIT, &local->flags);
7067 return -EINPROGRESS; /* Call commit handler */
7068 }
7069 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7070 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7071 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7072 set_bit (FLAG_COMMIT, &local->flags);
7073 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7074 local->config.fastListenInterval =
7075 local->config.listenInterval =
7076 cpu_to_le16((vwrq->value + 500) / 1024);
7077 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7078 set_bit (FLAG_COMMIT, &local->flags);
7079 }
7080 switch (vwrq->flags & IW_POWER_MODE) {
7081 case IW_POWER_UNICAST_R:
7082 if (sniffing_mode(local))
7083 return -EINVAL;
7084 local->config.rmode &= ~RXMODE_MASK;
7085 local->config.rmode |= RXMODE_ADDR;
7086 set_bit (FLAG_COMMIT, &local->flags);
7087 break;
7088 case IW_POWER_ALL_R:
7089 if (sniffing_mode(local))
7090 return -EINVAL;
7091 local->config.rmode &= ~RXMODE_MASK;
7092 local->config.rmode |= RXMODE_BC_MC_ADDR;
7093 set_bit (FLAG_COMMIT, &local->flags);
7094 case IW_POWER_ON:
7095 /* This is broken, fixme ;-) */
7096 break;
7097 default:
7098 return -EINVAL;
7099 }
7100 // Note : we may want to factor local->need_commit here
7101 // Note2 : may also want to factor RXMODE_RFMON test
7102 return -EINPROGRESS; /* Call commit handler */
7103 }
7104
7105 /*------------------------------------------------------------------*/
7106 /*
7107 * Wireless Handler : get Power Management
7108 */
7109 static int airo_get_power(struct net_device *dev,
7110 struct iw_request_info *info,
7111 struct iw_param *vwrq,
7112 char *extra)
7113 {
7114 struct airo_info *local = dev->ml_priv;
7115 __le16 mode;
7116
7117 readConfigRid(local, 1);
7118 mode = local->config.powerSaveMode;
7119 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7120 return 0;
7121 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7122 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7123 vwrq->flags = IW_POWER_TIMEOUT;
7124 } else {
7125 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7126 vwrq->flags = IW_POWER_PERIOD;
7127 }
7128 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7129 vwrq->flags |= IW_POWER_UNICAST_R;
7130 else
7131 vwrq->flags |= IW_POWER_ALL_R;
7132
7133 return 0;
7134 }
7135
7136 /*------------------------------------------------------------------*/
7137 /*
7138 * Wireless Handler : set Sensitivity
7139 */
7140 static int airo_set_sens(struct net_device *dev,
7141 struct iw_request_info *info,
7142 struct iw_param *vwrq,
7143 char *extra)
7144 {
7145 struct airo_info *local = dev->ml_priv;
7146
7147 readConfigRid(local, 1);
7148 local->config.rssiThreshold =
7149 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7150 set_bit (FLAG_COMMIT, &local->flags);
7151
7152 return -EINPROGRESS; /* Call commit handler */
7153 }
7154
7155 /*------------------------------------------------------------------*/
7156 /*
7157 * Wireless Handler : get Sensitivity
7158 */
7159 static int airo_get_sens(struct net_device *dev,
7160 struct iw_request_info *info,
7161 struct iw_param *vwrq,
7162 char *extra)
7163 {
7164 struct airo_info *local = dev->ml_priv;
7165
7166 readConfigRid(local, 1);
7167 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7168 vwrq->disabled = (vwrq->value == 0);
7169 vwrq->fixed = 1;
7170
7171 return 0;
7172 }
7173
7174 /*------------------------------------------------------------------*/
7175 /*
7176 * Wireless Handler : get AP List
7177 * Note : this is deprecated in favor of IWSCAN
7178 */
7179 static int airo_get_aplist(struct net_device *dev,
7180 struct iw_request_info *info,
7181 struct iw_point *dwrq,
7182 char *extra)
7183 {
7184 struct airo_info *local = dev->ml_priv;
7185 struct sockaddr *address = (struct sockaddr *) extra;
7186 struct iw_quality *qual;
7187 BSSListRid BSSList;
7188 int i;
7189 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7190
7191 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7192 if (!qual)
7193 return -ENOMEM;
7194
7195 for (i = 0; i < IW_MAX_AP; i++) {
7196 u16 dBm;
7197 if (readBSSListRid(local, loseSync, &BSSList))
7198 break;
7199 loseSync = 0;
7200 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7201 address[i].sa_family = ARPHRD_ETHER;
7202 dBm = le16_to_cpu(BSSList.dBm);
7203 if (local->rssi) {
7204 qual[i].level = 0x100 - dBm;
7205 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7206 qual[i].updated = IW_QUAL_QUAL_UPDATED
7207 | IW_QUAL_LEVEL_UPDATED
7208 | IW_QUAL_DBM;
7209 } else {
7210 qual[i].level = (dBm + 321) / 2;
7211 qual[i].qual = 0;
7212 qual[i].updated = IW_QUAL_QUAL_INVALID
7213 | IW_QUAL_LEVEL_UPDATED
7214 | IW_QUAL_DBM;
7215 }
7216 qual[i].noise = local->wstats.qual.noise;
7217 if (BSSList.index == cpu_to_le16(0xffff))
7218 break;
7219 }
7220 if (!i) {
7221 StatusRid status_rid; /* Card status info */
7222 readStatusRid(local, &status_rid, 1);
7223 for (i = 0;
7224 i < min(IW_MAX_AP, 4) &&
7225 (status_rid.bssid[i][0]
7226 & status_rid.bssid[i][1]
7227 & status_rid.bssid[i][2]
7228 & status_rid.bssid[i][3]
7229 & status_rid.bssid[i][4]
7230 & status_rid.bssid[i][5])!=0xff &&
7231 (status_rid.bssid[i][0]
7232 | status_rid.bssid[i][1]
7233 | status_rid.bssid[i][2]
7234 | status_rid.bssid[i][3]
7235 | status_rid.bssid[i][4]
7236 | status_rid.bssid[i][5]);
7237 i++) {
7238 memcpy(address[i].sa_data,
7239 status_rid.bssid[i], ETH_ALEN);
7240 address[i].sa_family = ARPHRD_ETHER;
7241 }
7242 } else {
7243 dwrq->flags = 1; /* Should be define'd */
7244 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7245 sizeof(struct iw_quality) * i);
7246 }
7247 dwrq->length = i;
7248
7249 kfree(qual);
7250 return 0;
7251 }
7252
7253 /*------------------------------------------------------------------*/
7254 /*
7255 * Wireless Handler : Initiate Scan
7256 */
7257 static int airo_set_scan(struct net_device *dev,
7258 struct iw_request_info *info,
7259 struct iw_point *dwrq,
7260 char *extra)
7261 {
7262 struct airo_info *ai = dev->ml_priv;
7263 Cmd cmd;
7264 Resp rsp;
7265 int wake = 0;
7266
7267 /* Note : you may have realised that, as this is a SET operation,
7268 * this is privileged and therefore a normal user can't
7269 * perform scanning.
7270 * This is not an error, while the device perform scanning,
7271 * traffic doesn't flow, so it's a perfect DoS...
7272 * Jean II */
7273 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7274
7275 if (down_interruptible(&ai->sem))
7276 return -ERESTARTSYS;
7277
7278 /* If there's already a scan in progress, don't
7279 * trigger another one. */
7280 if (ai->scan_timeout > 0)
7281 goto out;
7282
7283 /* Initiate a scan command */
7284 ai->scan_timeout = RUN_AT(3*HZ);
7285 memset(&cmd, 0, sizeof(cmd));
7286 cmd.cmd=CMD_LISTBSS;
7287 issuecommand(ai, &cmd, &rsp);
7288 wake = 1;
7289
7290 out:
7291 up(&ai->sem);
7292 if (wake)
7293 wake_up_interruptible(&ai->thr_wait);
7294 return 0;
7295 }
7296
7297 /*------------------------------------------------------------------*/
7298 /*
7299 * Translate scan data returned from the card to a card independent
7300 * format that the Wireless Tools will understand - Jean II
7301 */
7302 static inline char *airo_translate_scan(struct net_device *dev,
7303 struct iw_request_info *info,
7304 char *current_ev,
7305 char *end_buf,
7306 BSSListRid *bss)
7307 {
7308 struct airo_info *ai = dev->ml_priv;
7309 struct iw_event iwe; /* Temporary buffer */
7310 __le16 capabilities;
7311 char * current_val; /* For rates */
7312 int i;
7313 char * buf;
7314 u16 dBm;
7315
7316 /* First entry *MUST* be the AP MAC address */
7317 iwe.cmd = SIOCGIWAP;
7318 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7319 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7320 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7321 &iwe, IW_EV_ADDR_LEN);
7322
7323 /* Other entries will be displayed in the order we give them */
7324
7325 /* Add the ESSID */
7326 iwe.u.data.length = bss->ssidLen;
7327 if(iwe.u.data.length > 32)
7328 iwe.u.data.length = 32;
7329 iwe.cmd = SIOCGIWESSID;
7330 iwe.u.data.flags = 1;
7331 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7332 &iwe, bss->ssid);
7333
7334 /* Add mode */
7335 iwe.cmd = SIOCGIWMODE;
7336 capabilities = bss->cap;
7337 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7338 if(capabilities & CAP_ESS)
7339 iwe.u.mode = IW_MODE_MASTER;
7340 else
7341 iwe.u.mode = IW_MODE_ADHOC;
7342 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7343 &iwe, IW_EV_UINT_LEN);
7344 }
7345
7346 /* Add frequency */
7347 iwe.cmd = SIOCGIWFREQ;
7348 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7349 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7350 iwe.u.freq.e = 1;
7351 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7352 &iwe, IW_EV_FREQ_LEN);
7353
7354 dBm = le16_to_cpu(bss->dBm);
7355
7356 /* Add quality statistics */
7357 iwe.cmd = IWEVQUAL;
7358 if (ai->rssi) {
7359 iwe.u.qual.level = 0x100 - dBm;
7360 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7361 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7362 | IW_QUAL_LEVEL_UPDATED
7363 | IW_QUAL_DBM;
7364 } else {
7365 iwe.u.qual.level = (dBm + 321) / 2;
7366 iwe.u.qual.qual = 0;
7367 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7368 | IW_QUAL_LEVEL_UPDATED
7369 | IW_QUAL_DBM;
7370 }
7371 iwe.u.qual.noise = ai->wstats.qual.noise;
7372 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7373 &iwe, IW_EV_QUAL_LEN);
7374
7375 /* Add encryption capability */
7376 iwe.cmd = SIOCGIWENCODE;
7377 if(capabilities & CAP_PRIVACY)
7378 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7379 else
7380 iwe.u.data.flags = IW_ENCODE_DISABLED;
7381 iwe.u.data.length = 0;
7382 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7383 &iwe, bss->ssid);
7384
7385 /* Rate : stuffing multiple values in a single event require a bit
7386 * more of magic - Jean II */
7387 current_val = current_ev + iwe_stream_lcp_len(info);
7388
7389 iwe.cmd = SIOCGIWRATE;
7390 /* Those two flags are ignored... */
7391 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7392 /* Max 8 values */
7393 for(i = 0 ; i < 8 ; i++) {
7394 /* NULL terminated */
7395 if(bss->rates[i] == 0)
7396 break;
7397 /* Bit rate given in 500 kb/s units (+ 0x80) */
7398 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7399 /* Add new value to event */
7400 current_val = iwe_stream_add_value(info, current_ev,
7401 current_val, end_buf,
7402 &iwe, IW_EV_PARAM_LEN);
7403 }
7404 /* Check if we added any event */
7405 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7406 current_ev = current_val;
7407
7408 /* Beacon interval */
7409 buf = kmalloc(30, GFP_KERNEL);
7410 if (buf) {
7411 iwe.cmd = IWEVCUSTOM;
7412 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7413 iwe.u.data.length = strlen(buf);
7414 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7415 &iwe, buf);
7416 kfree(buf);
7417 }
7418
7419 /* Put WPA/RSN Information Elements into the event stream */
7420 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7421 unsigned int num_null_ies = 0;
7422 u16 length = sizeof (bss->extra.iep);
7423 u8 *ie = (void *)&bss->extra.iep;
7424
7425 while ((length >= 2) && (num_null_ies < 2)) {
7426 if (2 + ie[1] > length) {
7427 /* Invalid element, don't continue parsing IE */
7428 break;
7429 }
7430
7431 switch (ie[0]) {
7432 case WLAN_EID_SSID:
7433 /* Two zero-length SSID elements
7434 * mean we're done parsing elements */
7435 if (!ie[1])
7436 num_null_ies++;
7437 break;
7438
7439 case WLAN_EID_GENERIC:
7440 if (ie[1] >= 4 &&
7441 ie[2] == 0x00 &&
7442 ie[3] == 0x50 &&
7443 ie[4] == 0xf2 &&
7444 ie[5] == 0x01) {
7445 iwe.cmd = IWEVGENIE;
7446 /* 64 is an arbitrary cut-off */
7447 iwe.u.data.length = min(ie[1] + 2,
7448 64);
7449 current_ev = iwe_stream_add_point(
7450 info, current_ev,
7451 end_buf, &iwe, ie);
7452 }
7453 break;
7454
7455 case WLAN_EID_RSN:
7456 iwe.cmd = IWEVGENIE;
7457 /* 64 is an arbitrary cut-off */
7458 iwe.u.data.length = min(ie[1] + 2, 64);
7459 current_ev = iwe_stream_add_point(
7460 info, current_ev, end_buf,
7461 &iwe, ie);
7462 break;
7463
7464 default:
7465 break;
7466 }
7467
7468 length -= 2 + ie[1];
7469 ie += 2 + ie[1];
7470 }
7471 }
7472 return current_ev;
7473 }
7474
7475 /*------------------------------------------------------------------*/
7476 /*
7477 * Wireless Handler : Read Scan Results
7478 */
7479 static int airo_get_scan(struct net_device *dev,
7480 struct iw_request_info *info,
7481 struct iw_point *dwrq,
7482 char *extra)
7483 {
7484 struct airo_info *ai = dev->ml_priv;
7485 BSSListElement *net;
7486 int err = 0;
7487 char *current_ev = extra;
7488
7489 /* If a scan is in-progress, return -EAGAIN */
7490 if (ai->scan_timeout > 0)
7491 return -EAGAIN;
7492
7493 if (down_interruptible(&ai->sem))
7494 return -EAGAIN;
7495
7496 list_for_each_entry (net, &ai->network_list, list) {
7497 /* Translate to WE format this entry */
7498 current_ev = airo_translate_scan(dev, info, current_ev,
7499 extra + dwrq->length,
7500 &net->bss);
7501
7502 /* Check if there is space for one more entry */
7503 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7504 /* Ask user space to try again with a bigger buffer */
7505 err = -E2BIG;
7506 goto out;
7507 }
7508 }
7509
7510 /* Length of data */
7511 dwrq->length = (current_ev - extra);
7512 dwrq->flags = 0; /* todo */
7513
7514 out:
7515 up(&ai->sem);
7516 return err;
7517 }
7518
7519 /*------------------------------------------------------------------*/
7520 /*
7521 * Commit handler : called after a bunch of SET operations
7522 */
7523 static int airo_config_commit(struct net_device *dev,
7524 struct iw_request_info *info, /* NULL */
7525 void *zwrq, /* NULL */
7526 char *extra) /* NULL */
7527 {
7528 struct airo_info *local = dev->ml_priv;
7529
7530 if (!test_bit (FLAG_COMMIT, &local->flags))
7531 return 0;
7532
7533 /* Some of the "SET" function may have modified some of the
7534 * parameters. It's now time to commit them in the card */
7535 disable_MAC(local, 1);
7536 if (test_bit (FLAG_RESET, &local->flags)) {
7537 APListRid APList_rid;
7538 SsidRid SSID_rid;
7539
7540 readAPListRid(local, &APList_rid);
7541 readSsidRid(local, &SSID_rid);
7542 if (test_bit(FLAG_MPI,&local->flags))
7543 setup_card(local, dev->dev_addr, 1 );
7544 else
7545 reset_airo_card(dev);
7546 disable_MAC(local, 1);
7547 writeSsidRid(local, &SSID_rid, 1);
7548 writeAPListRid(local, &APList_rid, 1);
7549 }
7550 if (down_interruptible(&local->sem))
7551 return -ERESTARTSYS;
7552 writeConfigRid(local, 0);
7553 enable_MAC(local, 0);
7554 if (test_bit (FLAG_RESET, &local->flags))
7555 airo_set_promisc(local);
7556 else
7557 up(&local->sem);
7558
7559 return 0;
7560 }
7561
7562 /*------------------------------------------------------------------*/
7563 /*
7564 * Structures to export the Wireless Handlers
7565 */
7566
7567 static const struct iw_priv_args airo_private_args[] = {
7568 /*{ cmd, set_args, get_args, name } */
7569 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7570 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7571 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7572 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7573 };
7574
7575 static const iw_handler airo_handler[] =
7576 {
7577 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7578 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7579 (iw_handler) NULL, /* SIOCSIWNWID */
7580 (iw_handler) NULL, /* SIOCGIWNWID */
7581 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7582 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7583 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7584 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7585 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7586 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7587 (iw_handler) NULL, /* SIOCSIWRANGE */
7588 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7589 (iw_handler) NULL, /* SIOCSIWPRIV */
7590 (iw_handler) NULL, /* SIOCGIWPRIV */
7591 (iw_handler) NULL, /* SIOCSIWSTATS */
7592 (iw_handler) NULL, /* SIOCGIWSTATS */
7593 iw_handler_set_spy, /* SIOCSIWSPY */
7594 iw_handler_get_spy, /* SIOCGIWSPY */
7595 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7596 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7597 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7598 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7599 (iw_handler) NULL, /* -- hole -- */
7600 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7601 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7602 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7603 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7604 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7605 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7606 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7607 (iw_handler) NULL, /* -- hole -- */
7608 (iw_handler) NULL, /* -- hole -- */
7609 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7610 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7611 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7612 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7613 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7614 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7615 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7616 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7617 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7618 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7619 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7620 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7621 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7622 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7623 (iw_handler) NULL, /* -- hole -- */
7624 (iw_handler) NULL, /* -- hole -- */
7625 (iw_handler) NULL, /* SIOCSIWGENIE */
7626 (iw_handler) NULL, /* SIOCGIWGENIE */
7627 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7628 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7629 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7630 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7631 (iw_handler) NULL, /* SIOCSIWPMKSA */
7632 };
7633
7634 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7635 * We want to force the use of the ioctl code, because those can't be
7636 * won't work the iw_handler code (because they simultaneously read
7637 * and write data and iw_handler can't do that).
7638 * Note that it's perfectly legal to read/write on a single ioctl command,
7639 * you just can't use iwpriv and need to force it via the ioctl handler.
7640 * Jean II */
7641 static const iw_handler airo_private_handler[] =
7642 {
7643 NULL, /* SIOCIWFIRSTPRIV */
7644 };
7645
7646 static const struct iw_handler_def airo_handler_def =
7647 {
7648 .num_standard = ARRAY_SIZE(airo_handler),
7649 .num_private = ARRAY_SIZE(airo_private_handler),
7650 .num_private_args = ARRAY_SIZE(airo_private_args),
7651 .standard = airo_handler,
7652 .private = airo_private_handler,
7653 .private_args = airo_private_args,
7654 .get_wireless_stats = airo_get_wireless_stats,
7655 };
7656
7657 /*
7658 * This defines the configuration part of the Wireless Extensions
7659 * Note : irq and spinlock protection will occur in the subroutines
7660 *
7661 * TODO :
7662 * o Check input value more carefully and fill correct values in range
7663 * o Test and shakeout the bugs (if any)
7664 *
7665 * Jean II
7666 *
7667 * Javier Achirica did a great job of merging code from the unnamed CISCO
7668 * developer that added support for flashing the card.
7669 */
7670 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7671 {
7672 int rc = 0;
7673 struct airo_info *ai = dev->ml_priv;
7674
7675 if (ai->power.event)
7676 return 0;
7677
7678 switch (cmd) {
7679 #ifdef CISCO_EXT
7680 case AIROIDIFC:
7681 #ifdef AIROOLDIDIFC
7682 case AIROOLDIDIFC:
7683 #endif
7684 {
7685 int val = AIROMAGIC;
7686 aironet_ioctl com;
7687 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7688 rc = -EFAULT;
7689 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7690 rc = -EFAULT;
7691 }
7692 break;
7693
7694 case AIROIOCTL:
7695 #ifdef AIROOLDIOCTL
7696 case AIROOLDIOCTL:
7697 #endif
7698 /* Get the command struct and hand it off for evaluation by
7699 * the proper subfunction
7700 */
7701 {
7702 aironet_ioctl com;
7703 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7704 rc = -EFAULT;
7705 break;
7706 }
7707
7708 /* Separate R/W functions bracket legality here
7709 */
7710 if ( com.command == AIRORSWVERSION ) {
7711 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7712 rc = -EFAULT;
7713 else
7714 rc = 0;
7715 }
7716 else if ( com.command <= AIRORRID)
7717 rc = readrids(dev,&com);
7718 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7719 rc = writerids(dev,&com);
7720 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7721 rc = flashcard(dev,&com);
7722 else
7723 rc = -EINVAL; /* Bad command in ioctl */
7724 }
7725 break;
7726 #endif /* CISCO_EXT */
7727
7728 // All other calls are currently unsupported
7729 default:
7730 rc = -EOPNOTSUPP;
7731 }
7732 return rc;
7733 }
7734
7735 /*
7736 * Get the Wireless stats out of the driver
7737 * Note : irq and spinlock protection will occur in the subroutines
7738 *
7739 * TODO :
7740 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7741 *
7742 * Jean
7743 */
7744 static void airo_read_wireless_stats(struct airo_info *local)
7745 {
7746 StatusRid status_rid;
7747 StatsRid stats_rid;
7748 CapabilityRid cap_rid;
7749 __le32 *vals = stats_rid.vals;
7750
7751 /* Get stats out of the card */
7752 clear_bit(JOB_WSTATS, &local->jobs);
7753 if (local->power.event) {
7754 up(&local->sem);
7755 return;
7756 }
7757 readCapabilityRid(local, &cap_rid, 0);
7758 readStatusRid(local, &status_rid, 0);
7759 readStatsRid(local, &stats_rid, RID_STATS, 0);
7760 up(&local->sem);
7761
7762 /* The status */
7763 local->wstats.status = le16_to_cpu(status_rid.mode);
7764
7765 /* Signal quality and co */
7766 if (local->rssi) {
7767 local->wstats.qual.level =
7768 airo_rssi_to_dbm(local->rssi,
7769 le16_to_cpu(status_rid.sigQuality));
7770 /* normalizedSignalStrength appears to be a percentage */
7771 local->wstats.qual.qual =
7772 le16_to_cpu(status_rid.normalizedSignalStrength);
7773 } else {
7774 local->wstats.qual.level =
7775 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7776 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7777 }
7778 if (le16_to_cpu(status_rid.len) >= 124) {
7779 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7780 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7781 } else {
7782 local->wstats.qual.noise = 0;
7783 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7784 }
7785
7786 /* Packets discarded in the wireless adapter due to wireless
7787 * specific problems */
7788 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7789 le32_to_cpu(vals[57]) +
7790 le32_to_cpu(vals[58]); /* SSID Mismatch */
7791 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7792 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7793 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7794 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7795 le32_to_cpu(vals[32]);
7796 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7797 }
7798
7799 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7800 {
7801 struct airo_info *local = dev->ml_priv;
7802
7803 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7804 /* Get stats out of the card if available */
7805 if (down_trylock(&local->sem) != 0) {
7806 set_bit(JOB_WSTATS, &local->jobs);
7807 wake_up_interruptible(&local->thr_wait);
7808 } else
7809 airo_read_wireless_stats(local);
7810 }
7811
7812 return &local->wstats;
7813 }
7814
7815 #ifdef CISCO_EXT
7816 /*
7817 * This just translates from driver IOCTL codes to the command codes to
7818 * feed to the radio's host interface. Things can be added/deleted
7819 * as needed. This represents the READ side of control I/O to
7820 * the card
7821 */
7822 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7823 unsigned short ridcode;
7824 unsigned char *iobuf;
7825 int len;
7826 struct airo_info *ai = dev->ml_priv;
7827
7828 if (test_bit(FLAG_FLASHING, &ai->flags))
7829 return -EIO;
7830
7831 switch(comp->command)
7832 {
7833 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7834 case AIROGCFG: ridcode = RID_CONFIG;
7835 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7836 disable_MAC (ai, 1);
7837 writeConfigRid (ai, 1);
7838 enable_MAC(ai, 1);
7839 }
7840 break;
7841 case AIROGSLIST: ridcode = RID_SSID; break;
7842 case AIROGVLIST: ridcode = RID_APLIST; break;
7843 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7844 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7845 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7846 /* Only super-user can read WEP keys */
7847 if (!capable(CAP_NET_ADMIN))
7848 return -EPERM;
7849 break;
7850 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7851 /* Only super-user can read WEP keys */
7852 if (!capable(CAP_NET_ADMIN))
7853 return -EPERM;
7854 break;
7855 case AIROGSTAT: ridcode = RID_STATUS; break;
7856 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7857 case AIROGSTATSC32: ridcode = RID_STATS; break;
7858 case AIROGMICSTATS:
7859 if (copy_to_user(comp->data, &ai->micstats,
7860 min((int)comp->len,(int)sizeof(ai->micstats))))
7861 return -EFAULT;
7862 return 0;
7863 case AIRORRID: ridcode = comp->ridnum; break;
7864 default:
7865 return -EINVAL;
7866 break;
7867 }
7868
7869 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7870 return -ENOMEM;
7871
7872 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7873 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7874 * then return it to the user
7875 * 9/22/2000 Honor user given length
7876 */
7877 len = comp->len;
7878
7879 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7880 kfree (iobuf);
7881 return -EFAULT;
7882 }
7883 kfree (iobuf);
7884 return 0;
7885 }
7886
7887 /*
7888 * Danger Will Robinson write the rids here
7889 */
7890
7891 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7892 struct airo_info *ai = dev->ml_priv;
7893 int ridcode;
7894 int enabled;
7895 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7896 unsigned char *iobuf;
7897
7898 /* Only super-user can write RIDs */
7899 if (!capable(CAP_NET_ADMIN))
7900 return -EPERM;
7901
7902 if (test_bit(FLAG_FLASHING, &ai->flags))
7903 return -EIO;
7904
7905 ridcode = 0;
7906 writer = do_writerid;
7907
7908 switch(comp->command)
7909 {
7910 case AIROPSIDS: ridcode = RID_SSID; break;
7911 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7912 case AIROPAPLIST: ridcode = RID_APLIST; break;
7913 case AIROPCFG: ai->config.len = 0;
7914 clear_bit(FLAG_COMMIT, &ai->flags);
7915 ridcode = RID_CONFIG; break;
7916 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7917 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7918 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7919 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7920 break;
7921 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7922 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7923
7924 /* this is not really a rid but a command given to the card
7925 * same with MAC off
7926 */
7927 case AIROPMACON:
7928 if (enable_MAC(ai, 1) != 0)
7929 return -EIO;
7930 return 0;
7931
7932 /*
7933 * Evidently this code in the airo driver does not get a symbol
7934 * as disable_MAC. it's probably so short the compiler does not gen one.
7935 */
7936 case AIROPMACOFF:
7937 disable_MAC(ai, 1);
7938 return 0;
7939
7940 /* This command merely clears the counts does not actually store any data
7941 * only reads rid. But as it changes the cards state, I put it in the
7942 * writerid routines.
7943 */
7944 case AIROPSTCLR:
7945 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7946 return -ENOMEM;
7947
7948 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7949
7950 enabled = ai->micstats.enabled;
7951 memset(&ai->micstats,0,sizeof(ai->micstats));
7952 ai->micstats.enabled = enabled;
7953
7954 if (copy_to_user(comp->data, iobuf,
7955 min((int)comp->len, (int)RIDSIZE))) {
7956 kfree (iobuf);
7957 return -EFAULT;
7958 }
7959 kfree (iobuf);
7960 return 0;
7961
7962 default:
7963 return -EOPNOTSUPP; /* Blarg! */
7964 }
7965 if(comp->len > RIDSIZE)
7966 return -EINVAL;
7967
7968 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7969 return -ENOMEM;
7970
7971 if (copy_from_user(iobuf,comp->data,comp->len)) {
7972 kfree (iobuf);
7973 return -EFAULT;
7974 }
7975
7976 if (comp->command == AIROPCFG) {
7977 ConfigRid *cfg = (ConfigRid *)iobuf;
7978
7979 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7980 cfg->opmode |= MODE_MIC;
7981
7982 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7983 set_bit (FLAG_ADHOC, &ai->flags);
7984 else
7985 clear_bit (FLAG_ADHOC, &ai->flags);
7986 }
7987
7988 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7989 kfree (iobuf);
7990 return -EIO;
7991 }
7992 kfree (iobuf);
7993 return 0;
7994 }
7995
7996 /*****************************************************************************
7997 * Ancillary flash / mod functions much black magic lurkes here *
7998 *****************************************************************************
7999 */
8000
8001 /*
8002 * Flash command switch table
8003 */
8004
8005 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8006 int z;
8007
8008 /* Only super-user can modify flash */
8009 if (!capable(CAP_NET_ADMIN))
8010 return -EPERM;
8011
8012 switch(comp->command)
8013 {
8014 case AIROFLSHRST:
8015 return cmdreset((struct airo_info *)dev->ml_priv);
8016
8017 case AIROFLSHSTFL:
8018 if (!AIRO_FLASH(dev) &&
8019 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8020 return -ENOMEM;
8021 return setflashmode((struct airo_info *)dev->ml_priv);
8022
8023 case AIROFLSHGCHR: /* Get char from aux */
8024 if(comp->len != sizeof(int))
8025 return -EINVAL;
8026 if (copy_from_user(&z,comp->data,comp->len))
8027 return -EFAULT;
8028 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8029
8030 case AIROFLSHPCHR: /* Send char to card. */
8031 if(comp->len != sizeof(int))
8032 return -EINVAL;
8033 if (copy_from_user(&z,comp->data,comp->len))
8034 return -EFAULT;
8035 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8036
8037 case AIROFLPUTBUF: /* Send 32k to card */
8038 if (!AIRO_FLASH(dev))
8039 return -ENOMEM;
8040 if(comp->len > FLASHSIZE)
8041 return -EINVAL;
8042 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8043 return -EFAULT;
8044
8045 flashputbuf((struct airo_info *)dev->ml_priv);
8046 return 0;
8047
8048 case AIRORESTART:
8049 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8050 return -EIO;
8051 return 0;
8052 }
8053 return -EINVAL;
8054 }
8055
8056 #define FLASH_COMMAND 0x7e7e
8057
8058 /*
8059 * STEP 1)
8060 * Disable MAC and do soft reset on
8061 * card.
8062 */
8063
8064 static int cmdreset(struct airo_info *ai) {
8065 disable_MAC(ai, 1);
8066
8067 if(!waitbusy (ai)){
8068 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8069 return -EBUSY;
8070 }
8071
8072 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8073
8074 ssleep(1); /* WAS 600 12/7/00 */
8075
8076 if(!waitbusy (ai)){
8077 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8078 return -EBUSY;
8079 }
8080 return 0;
8081 }
8082
8083 /* STEP 2)
8084 * Put the card in legendary flash
8085 * mode
8086 */
8087
8088 static int setflashmode (struct airo_info *ai) {
8089 set_bit (FLAG_FLASHING, &ai->flags);
8090
8091 OUT4500(ai, SWS0, FLASH_COMMAND);
8092 OUT4500(ai, SWS1, FLASH_COMMAND);
8093 if (probe) {
8094 OUT4500(ai, SWS0, FLASH_COMMAND);
8095 OUT4500(ai, COMMAND,0x10);
8096 } else {
8097 OUT4500(ai, SWS2, FLASH_COMMAND);
8098 OUT4500(ai, SWS3, FLASH_COMMAND);
8099 OUT4500(ai, COMMAND,0);
8100 }
8101 msleep(500); /* 500ms delay */
8102
8103 if(!waitbusy(ai)) {
8104 clear_bit (FLAG_FLASHING, &ai->flags);
8105 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8106 return -EIO;
8107 }
8108 return 0;
8109 }
8110
8111 /* Put character to SWS0 wait for dwelltime
8112 * x 50us for echo .
8113 */
8114
8115 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8116 int echo;
8117 int waittime;
8118
8119 byte |= 0x8000;
8120
8121 if(dwelltime == 0 )
8122 dwelltime = 200;
8123
8124 waittime=dwelltime;
8125
8126 /* Wait for busy bit d15 to go false indicating buffer empty */
8127 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8128 udelay (50);
8129 waittime -= 50;
8130 }
8131
8132 /* timeout for busy clear wait */
8133 if(waittime <= 0 ){
8134 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8135 return -EBUSY;
8136 }
8137
8138 /* Port is clear now write byte and wait for it to echo back */
8139 do {
8140 OUT4500(ai,SWS0,byte);
8141 udelay(50);
8142 dwelltime -= 50;
8143 echo = IN4500(ai,SWS1);
8144 } while (dwelltime >= 0 && echo != byte);
8145
8146 OUT4500(ai,SWS1,0);
8147
8148 return (echo == byte) ? 0 : -EIO;
8149 }
8150
8151 /*
8152 * Get a character from the card matching matchbyte
8153 * Step 3)
8154 */
8155 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8156 int rchar;
8157 unsigned char rbyte=0;
8158
8159 do {
8160 rchar = IN4500(ai,SWS1);
8161
8162 if(dwelltime && !(0x8000 & rchar)){
8163 dwelltime -= 10;
8164 mdelay(10);
8165 continue;
8166 }
8167 rbyte = 0xff & rchar;
8168
8169 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8170 OUT4500(ai,SWS1,0);
8171 return 0;
8172 }
8173 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8174 break;
8175 OUT4500(ai,SWS1,0);
8176
8177 }while(dwelltime > 0);
8178 return -EIO;
8179 }
8180
8181 /*
8182 * Transfer 32k of firmware data from user buffer to our buffer and
8183 * send to the card
8184 */
8185
8186 static int flashputbuf(struct airo_info *ai){
8187 int nwords;
8188
8189 /* Write stuff */
8190 if (test_bit(FLAG_MPI,&ai->flags))
8191 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8192 else {
8193 OUT4500(ai,AUXPAGE,0x100);
8194 OUT4500(ai,AUXOFF,0);
8195
8196 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8197 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8198 }
8199 }
8200 OUT4500(ai,SWS0,0x8000);
8201
8202 return 0;
8203 }
8204
8205 /*
8206 *
8207 */
8208 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8209 int i,status;
8210
8211 ssleep(1); /* Added 12/7/00 */
8212 clear_bit (FLAG_FLASHING, &ai->flags);
8213 if (test_bit(FLAG_MPI, &ai->flags)) {
8214 status = mpi_init_descriptors(ai);
8215 if (status != SUCCESS)
8216 return status;
8217 }
8218 status = setup_card(ai, dev->dev_addr, 1);
8219
8220 if (!test_bit(FLAG_MPI,&ai->flags))
8221 for( i = 0; i < MAX_FIDS; i++ ) {
8222 ai->fids[i] = transmit_allocate
8223 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8224 }
8225
8226 ssleep(1); /* Added 12/7/00 */
8227 return status;
8228 }
8229 #endif /* CISCO_EXT */
8230
8231 /*
8232 This program is free software; you can redistribute it and/or
8233 modify it under the terms of the GNU General Public License
8234 as published by the Free Software Foundation; either version 2
8235 of the License, or (at your option) any later version.
8236
8237 This program is distributed in the hope that it will be useful,
8238 but WITHOUT ANY WARRANTY; without even the implied warranty of
8239 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8240 GNU General Public License for more details.
8241
8242 In addition:
8243
8244 Redistribution and use in source and binary forms, with or without
8245 modification, are permitted provided that the following conditions
8246 are met:
8247
8248 1. Redistributions of source code must retain the above copyright
8249 notice, this list of conditions and the following disclaimer.
8250 2. Redistributions in binary form must reproduce the above copyright
8251 notice, this list of conditions and the following disclaimer in the
8252 documentation and/or other materials provided with the distribution.
8253 3. The name of the author may not be used to endorse or promote
8254 products derived from this software without specific prior written
8255 permission.
8256
8257 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8258 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8259 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8260 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8261 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8262 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8263 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8264 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8265 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8266 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8267 POSSIBILITY OF SUCH DAMAGE.
8268 */
8269
8270 module_init(airo_init_module);
8271 module_exit(airo_cleanup_module);
kernel source for telekom puls (alcatel/mediatek)