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Merge tag 'v3.15-rc1' into perf/urgent
[mirror_ubuntu-artful-kernel.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 <linux/io.h>
40 #include <asm/unaligned.h>
41
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <linux/uaccess.h>
49 #include <linux/kthread.h>
50 #include <linux/freezer.h>
51
52 #include <net/cfg80211.h>
53 #include <net/iw_handler.h>
54
55 #include "airo.h"
56
57 #define DRV_NAME "airo"
58
59 #ifdef CONFIG_PCI
60 static 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 = airo_pci_remove,
82 .suspend = airo_pci_suspend,
83 .resume = airo_pci_resume,
84 };
85 #endif /* CONFIG_PCI */
86
87 /* Include Wireless Extension definition and check version - Jean II */
88 #include <linux/wireless.h>
89 #define WIRELESS_SPY /* enable iwspy support */
90
91 #define CISCO_EXT /* enable Cisco extensions */
92 #ifdef CISCO_EXT
93 #include <linux/delay.h>
94 #endif
95
96 /* Hack to do some power saving */
97 #define POWER_ON_DOWN
98
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
104
105 #define IGNLABEL(comment) NULL
106 static const char *statsLabels[] = {
107 "RxOverrun",
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
111 "RxMacCrcErr",
112 "RxMacCrcOk",
113 "RxWepErr",
114 "RxWepOk",
115 "RetryLong",
116 "RetryShort",
117 "MaxRetries",
118 "NoAck",
119 "NoCts",
120 "RxAck",
121 "RxCts",
122 "TxAck",
123 "TxRts",
124 "TxCts",
125 "TxMc",
126 "TxBc",
127 "TxUcFrags",
128 "TxUcPackets",
129 "TxBeacon",
130 "RxBeacon",
131 "TxSinColl",
132 "TxMulColl",
133 "DefersNo",
134 "DefersProt",
135 "DefersEngy",
136 "DupFram",
137 "RxFragDisc",
138 "TxAged",
139 "RxAged",
140 "LostSync-MaxRetry",
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
143 "LostSync-Deauth",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
146 "HostTxMc",
147 "HostTxBc",
148 "HostTxUc",
149 "HostTxFail",
150 "HostRxMc",
151 "HostRxBc",
152 "HostRxUc",
153 "HostRxDiscard",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
163 "SsidMismatch",
164 "ApMismatch",
165 "RatesMismatch",
166 "AuthReject",
167 "AuthTimeout",
168 "AssocReject",
169 "AssocTimeout",
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
190 "RxMan",
191 "TxMan",
192 "RxRefresh",
193 "TxRefresh",
194 "RxPoll",
195 "TxPoll",
196 "HostRetries",
197 "LostSync-HostReq",
198 "HostTxBytes",
199 "HostRxBytes",
200 "ElapsedUsec",
201 "ElapsedSec",
202 "LostSyncBetterAP",
203 "PrivacyMismatch",
204 "Jammed",
205 "DiscRxNotWepped",
206 "PhyEleMismatch",
207 (char*)-1 };
208 #ifndef RUN_AT
209 #define RUN_AT(x) (jiffies+(x))
210 #endif
211
212
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
216
217 static int rates[8];
218 static char *ssids[3];
219
220 static int io[4];
221 static int irq[4];
222
223 static
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
226
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
230 static int adhoc;
231
232 static int probe = 1;
233
234 static kuid_t proc_kuid;
235 static int proc_uid /* = 0 */;
236
237 static kgid_t proc_kgid;
238 static int proc_gid /* = 0 */;
239
240 static int airo_perm = 0555;
241
242 static int proc_perm = 0644;
243
244 MODULE_AUTHOR("Benjamin Reed");
245 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. "
246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep,
255 "If non-zero, the driver will keep looping through the authentication options until an association is made. "
256 "The value of auto_wep is number of the wep keys to check. "
257 "A value of 2 will try using the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap,
260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. "
261 "Before switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt,
264 "The maximum speed that the card can do encryption. "
265 "Units are in 512kbs. "
266 "Zero (default) means there is no limit. "
267 "Older cards used to be limited to 2mbs (4).");
268 module_param(adhoc, int, 0);
269 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
270 module_param(probe, int, 0);
271 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272
273 module_param(proc_uid, int, 0);
274 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
275 module_param(proc_gid, int, 0);
276 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
277 module_param(airo_perm, int, 0);
278 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
279 module_param(proc_perm, int, 0);
280 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281
282 /* This is a kind of sloppy hack to get this information to OUT4500 and
283 IN4500. I would be extremely interested in the situation where this
284 doesn't work though!!! */
285 static int do8bitIO /* = 0 */;
286
287 /* Return codes */
288 #define SUCCESS 0
289 #define ERROR -1
290 #define NO_PACKET -2
291
292 /* Commands */
293 #define NOP2 0x0000
294 #define MAC_ENABLE 0x0001
295 #define MAC_DISABLE 0x0002
296 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
297 #define CMD_SOFTRESET 0x0004
298 #define HOSTSLEEP 0x0005
299 #define CMD_MAGIC_PKT 0x0006
300 #define CMD_SETWAKEMASK 0x0007
301 #define CMD_READCFG 0x0008
302 #define CMD_SETMODE 0x0009
303 #define CMD_ALLOCATETX 0x000a
304 #define CMD_TRANSMIT 0x000b
305 #define CMD_DEALLOCATETX 0x000c
306 #define NOP 0x0010
307 #define CMD_WORKAROUND 0x0011
308 #define CMD_ALLOCATEAUX 0x0020
309 #define CMD_ACCESS 0x0021
310 #define CMD_PCIBAP 0x0022
311 #define CMD_PCIAUX 0x0023
312 #define CMD_ALLOCBUF 0x0028
313 #define CMD_GETTLV 0x0029
314 #define CMD_PUTTLV 0x002a
315 #define CMD_DELTLV 0x002b
316 #define CMD_FINDNEXTTLV 0x002c
317 #define CMD_PSPNODES 0x0030
318 #define CMD_SETCW 0x0031
319 #define CMD_SETPCF 0x0032
320 #define CMD_SETPHYREG 0x003e
321 #define CMD_TXTEST 0x003f
322 #define MAC_ENABLETX 0x0101
323 #define CMD_LISTBSS 0x0103
324 #define CMD_SAVECFG 0x0108
325 #define CMD_ENABLEAUX 0x0111
326 #define CMD_WRITERID 0x0121
327 #define CMD_USEPSPNODES 0x0130
328 #define MAC_ENABLERX 0x0201
329
330 /* Command errors */
331 #define ERROR_QUALIF 0x00
332 #define ERROR_ILLCMD 0x01
333 #define ERROR_ILLFMT 0x02
334 #define ERROR_INVFID 0x03
335 #define ERROR_INVRID 0x04
336 #define ERROR_LARGE 0x05
337 #define ERROR_NDISABL 0x06
338 #define ERROR_ALLOCBSY 0x07
339 #define ERROR_NORD 0x0B
340 #define ERROR_NOWR 0x0C
341 #define ERROR_INVFIDTX 0x0D
342 #define ERROR_TESTACT 0x0E
343 #define ERROR_TAGNFND 0x12
344 #define ERROR_DECODE 0x20
345 #define ERROR_DESCUNAV 0x21
346 #define ERROR_BADLEN 0x22
347 #define ERROR_MODE 0x80
348 #define ERROR_HOP 0x81
349 #define ERROR_BINTER 0x82
350 #define ERROR_RXMODE 0x83
351 #define ERROR_MACADDR 0x84
352 #define ERROR_RATES 0x85
353 #define ERROR_ORDER 0x86
354 #define ERROR_SCAN 0x87
355 #define ERROR_AUTH 0x88
356 #define ERROR_PSMODE 0x89
357 #define ERROR_RTYPE 0x8A
358 #define ERROR_DIVER 0x8B
359 #define ERROR_SSID 0x8C
360 #define ERROR_APLIST 0x8D
361 #define ERROR_AUTOWAKE 0x8E
362 #define ERROR_LEAP 0x8F
363
364 /* Registers */
365 #define COMMAND 0x00
366 #define PARAM0 0x02
367 #define PARAM1 0x04
368 #define PARAM2 0x06
369 #define STATUS 0x08
370 #define RESP0 0x0a
371 #define RESP1 0x0c
372 #define RESP2 0x0e
373 #define LINKSTAT 0x10
374 #define SELECT0 0x18
375 #define OFFSET0 0x1c
376 #define RXFID 0x20
377 #define TXALLOCFID 0x22
378 #define TXCOMPLFID 0x24
379 #define DATA0 0x36
380 #define EVSTAT 0x30
381 #define EVINTEN 0x32
382 #define EVACK 0x34
383 #define SWS0 0x28
384 #define SWS1 0x2a
385 #define SWS2 0x2c
386 #define SWS3 0x2e
387 #define AUXPAGE 0x3A
388 #define AUXOFF 0x3C
389 #define AUXDATA 0x3E
390
391 #define FID_TX 1
392 #define FID_RX 2
393 /* Offset into aux memory for descriptors */
394 #define AUX_OFFSET 0x800
395 /* Size of allocated packets */
396 #define PKTSIZE 1840
397 #define RIDSIZE 2048
398 /* Size of the transmit queue */
399 #define MAXTXQ 64
400
401 /* BAP selectors */
402 #define BAP0 0 /* Used for receiving packets */
403 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
404
405 /* Flags */
406 #define COMMAND_BUSY 0x8000
407
408 #define BAP_BUSY 0x8000
409 #define BAP_ERR 0x4000
410 #define BAP_DONE 0x2000
411
412 #define PROMISC 0xffff
413 #define NOPROMISC 0x0000
414
415 #define EV_CMD 0x10
416 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_RX 0x01
418 #define EV_TX 0x02
419 #define EV_TXEXC 0x04
420 #define EV_ALLOC 0x08
421 #define EV_LINK 0x80
422 #define EV_AWAKE 0x100
423 #define EV_TXCPY 0x400
424 #define EV_UNKNOWN 0x800
425 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
426 #define EV_AWAKEN 0x2000
427 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428
429 #ifdef CHECK_UNKNOWN_INTS
430 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #else
432 #define IGNORE_INTS (~STATUS_INTS)
433 #endif
434
435 /* RID TYPES */
436 #define RID_RW 0x20
437
438 /* The RIDs */
439 #define RID_CAPABILITIES 0xFF00
440 #define RID_APINFO 0xFF01
441 #define RID_RADIOINFO 0xFF02
442 #define RID_UNKNOWN3 0xFF03
443 #define RID_RSSI 0xFF04
444 #define RID_CONFIG 0xFF10
445 #define RID_SSID 0xFF11
446 #define RID_APLIST 0xFF12
447 #define RID_DRVNAME 0xFF13
448 #define RID_ETHERENCAP 0xFF14
449 #define RID_WEP_TEMP 0xFF15
450 #define RID_WEP_PERM 0xFF16
451 #define RID_MODULATION 0xFF17
452 #define RID_OPTIONS 0xFF18
453 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
454 #define RID_FACTORYCONFIG 0xFF21
455 #define RID_UNKNOWN22 0xFF22
456 #define RID_LEAPUSERNAME 0xFF23
457 #define RID_LEAPPASSWORD 0xFF24
458 #define RID_STATUS 0xFF50
459 #define RID_BEACON_HST 0xFF51
460 #define RID_BUSY_HST 0xFF52
461 #define RID_RETRIES_HST 0xFF53
462 #define RID_UNKNOWN54 0xFF54
463 #define RID_UNKNOWN55 0xFF55
464 #define RID_UNKNOWN56 0xFF56
465 #define RID_MIC 0xFF57
466 #define RID_STATS16 0xFF60
467 #define RID_STATS16DELTA 0xFF61
468 #define RID_STATS16DELTACLEAR 0xFF62
469 #define RID_STATS 0xFF68
470 #define RID_STATSDELTA 0xFF69
471 #define RID_STATSDELTACLEAR 0xFF6A
472 #define RID_ECHOTEST_RID 0xFF70
473 #define RID_ECHOTEST_RESULTS 0xFF71
474 #define RID_BSSLISTFIRST 0xFF72
475 #define RID_BSSLISTNEXT 0xFF73
476 #define RID_WPA_BSSLISTFIRST 0xFF74
477 #define RID_WPA_BSSLISTNEXT 0xFF75
478
479 typedef struct {
480 u16 cmd;
481 u16 parm0;
482 u16 parm1;
483 u16 parm2;
484 } Cmd;
485
486 typedef struct {
487 u16 status;
488 u16 rsp0;
489 u16 rsp1;
490 u16 rsp2;
491 } Resp;
492
493 /*
494 * Rids and endian-ness: The Rids will always be in cpu endian, since
495 * this all the patches from the big-endian guys end up doing that.
496 * so all rid access should use the read/writeXXXRid routines.
497 */
498
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
501 typedef struct WepKeyRid WepKeyRid;
502 struct WepKeyRid {
503 __le16 len;
504 __le16 kindex;
505 u8 mac[ETH_ALEN];
506 __le16 klen;
507 u8 key[16];
508 } __packed;
509
510 /* These structures are from the Aironet's PC4500 Developers Manual */
511 typedef struct Ssid Ssid;
512 struct Ssid {
513 __le16 len;
514 u8 ssid[32];
515 } __packed;
516
517 typedef struct SsidRid SsidRid;
518 struct SsidRid {
519 __le16 len;
520 Ssid ssids[3];
521 } __packed;
522
523 typedef struct ModulationRid ModulationRid;
524 struct ModulationRid {
525 __le16 len;
526 __le16 modulation;
527 #define MOD_DEFAULT cpu_to_le16(0)
528 #define MOD_CCK cpu_to_le16(1)
529 #define MOD_MOK cpu_to_le16(2)
530 } __packed;
531
532 typedef struct ConfigRid ConfigRid;
533 struct ConfigRid {
534 __le16 len; /* sizeof(ConfigRid) */
535 __le16 opmode; /* operating mode */
536 #define MODE_STA_IBSS cpu_to_le16(0)
537 #define MODE_STA_ESS cpu_to_le16(1)
538 #define MODE_AP cpu_to_le16(2)
539 #define MODE_AP_RPTR cpu_to_le16(3)
540 #define MODE_CFG_MASK cpu_to_le16(0xff)
541 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
542 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
543 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
544 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
545 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
546 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
547 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
548 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
549 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
550 __le16 rmode; /* receive mode */
551 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
552 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
553 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
554 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
555 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
556 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
557 #define RXMODE_MASK cpu_to_le16(255)
558 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
559 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
560 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
561 __le16 fragThresh;
562 __le16 rtsThres;
563 u8 macAddr[ETH_ALEN];
564 u8 rates[8];
565 __le16 shortRetryLimit;
566 __le16 longRetryLimit;
567 __le16 txLifetime; /* in kusec */
568 __le16 rxLifetime; /* in kusec */
569 __le16 stationary;
570 __le16 ordering;
571 __le16 u16deviceType; /* for overriding device type */
572 __le16 cfpRate;
573 __le16 cfpDuration;
574 __le16 _reserved1[3];
575 /*---------- Scanning/Associating ----------*/
576 __le16 scanMode;
577 #define SCANMODE_ACTIVE cpu_to_le16(0)
578 #define SCANMODE_PASSIVE cpu_to_le16(1)
579 #define SCANMODE_AIROSCAN cpu_to_le16(2)
580 __le16 probeDelay; /* in kusec */
581 __le16 probeEnergyTimeout; /* in kusec */
582 __le16 probeResponseTimeout;
583 __le16 beaconListenTimeout;
584 __le16 joinNetTimeout;
585 __le16 authTimeout;
586 __le16 authType;
587 #define AUTH_OPEN cpu_to_le16(0x1)
588 #define AUTH_ENCRYPT cpu_to_le16(0x101)
589 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
590 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
591 __le16 associationTimeout;
592 __le16 specifiedApTimeout;
593 __le16 offlineScanInterval;
594 __le16 offlineScanDuration;
595 __le16 linkLossDelay;
596 __le16 maxBeaconLostTime;
597 __le16 refreshInterval;
598 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
599 __le16 _reserved1a[1];
600 /*---------- Power save operation ----------*/
601 __le16 powerSaveMode;
602 #define POWERSAVE_CAM cpu_to_le16(0)
603 #define POWERSAVE_PSP cpu_to_le16(1)
604 #define POWERSAVE_PSPCAM cpu_to_le16(2)
605 __le16 sleepForDtims;
606 __le16 listenInterval;
607 __le16 fastListenInterval;
608 __le16 listenDecay;
609 __le16 fastListenDelay;
610 __le16 _reserved2[2];
611 /*---------- Ap/Ibss config items ----------*/
612 __le16 beaconPeriod;
613 __le16 atimDuration;
614 __le16 hopPeriod;
615 __le16 channelSet;
616 __le16 channel;
617 __le16 dtimPeriod;
618 __le16 bridgeDistance;
619 __le16 radioID;
620 /*---------- Radio configuration ----------*/
621 __le16 radioType;
622 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
623 #define RADIOTYPE_802_11 cpu_to_le16(1)
624 #define RADIOTYPE_LEGACY cpu_to_le16(2)
625 u8 rxDiversity;
626 u8 txDiversity;
627 __le16 txPower;
628 #define TXPOWER_DEFAULT 0
629 __le16 rssiThreshold;
630 #define RSSI_DEFAULT 0
631 __le16 modulation;
632 #define PREAMBLE_AUTO cpu_to_le16(0)
633 #define PREAMBLE_LONG cpu_to_le16(1)
634 #define PREAMBLE_SHORT cpu_to_le16(2)
635 __le16 preamble;
636 __le16 homeProduct;
637 __le16 radioSpecific;
638 /*---------- Aironet Extensions ----------*/
639 u8 nodeName[16];
640 __le16 arlThreshold;
641 __le16 arlDecay;
642 __le16 arlDelay;
643 __le16 _reserved4[1];
644 /*---------- Aironet Extensions ----------*/
645 u8 magicAction;
646 #define MAGIC_ACTION_STSCHG 1
647 #define MAGIC_ACTION_RESUME 2
648 #define MAGIC_IGNORE_MCAST (1<<8)
649 #define MAGIC_IGNORE_BCAST (1<<9)
650 #define MAGIC_SWITCH_TO_PSP (0<<10)
651 #define MAGIC_STAY_IN_CAM (1<<10)
652 u8 magicControl;
653 __le16 autoWake;
654 } __packed;
655
656 typedef struct StatusRid StatusRid;
657 struct StatusRid {
658 __le16 len;
659 u8 mac[ETH_ALEN];
660 __le16 mode;
661 __le16 errorCode;
662 __le16 sigQuality;
663 __le16 SSIDlen;
664 char SSID[32];
665 char apName[16];
666 u8 bssid[4][ETH_ALEN];
667 __le16 beaconPeriod;
668 __le16 dimPeriod;
669 __le16 atimDuration;
670 __le16 hopPeriod;
671 __le16 channelSet;
672 __le16 channel;
673 __le16 hopsToBackbone;
674 __le16 apTotalLoad;
675 __le16 generatedLoad;
676 __le16 accumulatedArl;
677 __le16 signalQuality;
678 __le16 currentXmitRate;
679 __le16 apDevExtensions;
680 __le16 normalizedSignalStrength;
681 __le16 shortPreamble;
682 u8 apIP[4];
683 u8 noisePercent; /* Noise percent in last second */
684 u8 noisedBm; /* Noise dBm in last second */
685 u8 noiseAvePercent; /* Noise percent in last minute */
686 u8 noiseAvedBm; /* Noise dBm in last minute */
687 u8 noiseMaxPercent; /* Highest noise percent in last minute */
688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
689 __le16 load;
690 u8 carrier[4];
691 __le16 assocStatus;
692 #define STAT_NOPACKETS 0
693 #define STAT_NOCARRIERSET 10
694 #define STAT_GOTCARRIERSET 11
695 #define STAT_WRONGSSID 20
696 #define STAT_BADCHANNEL 25
697 #define STAT_BADBITRATES 30
698 #define STAT_BADPRIVACY 35
699 #define STAT_APFOUND 40
700 #define STAT_APREJECTED 50
701 #define STAT_AUTHENTICATING 60
702 #define STAT_DEAUTHENTICATED 61
703 #define STAT_AUTHTIMEOUT 62
704 #define STAT_ASSOCIATING 70
705 #define STAT_DEASSOCIATED 71
706 #define STAT_ASSOCTIMEOUT 72
707 #define STAT_NOTAIROAP 73
708 #define STAT_ASSOCIATED 80
709 #define STAT_LEAPING 90
710 #define STAT_LEAPFAILED 91
711 #define STAT_LEAPTIMEDOUT 92
712 #define STAT_LEAPCOMPLETE 93
713 } __packed;
714
715 typedef struct StatsRid StatsRid;
716 struct StatsRid {
717 __le16 len;
718 __le16 spacer;
719 __le32 vals[100];
720 } __packed;
721
722 typedef struct APListRid APListRid;
723 struct APListRid {
724 __le16 len;
725 u8 ap[4][ETH_ALEN];
726 } __packed;
727
728 typedef struct CapabilityRid CapabilityRid;
729 struct CapabilityRid {
730 __le16 len;
731 char oui[3];
732 char zero;
733 __le16 prodNum;
734 char manName[32];
735 char prodName[16];
736 char prodVer[8];
737 char factoryAddr[ETH_ALEN];
738 char aironetAddr[ETH_ALEN];
739 __le16 radioType;
740 __le16 country;
741 char callid[ETH_ALEN];
742 char supportedRates[8];
743 char rxDiversity;
744 char txDiversity;
745 __le16 txPowerLevels[8];
746 __le16 hardVer;
747 __le16 hardCap;
748 __le16 tempRange;
749 __le16 softVer;
750 __le16 softSubVer;
751 __le16 interfaceVer;
752 __le16 softCap;
753 __le16 bootBlockVer;
754 __le16 requiredHard;
755 __le16 extSoftCap;
756 } __packed;
757
758 /* Only present on firmware >= 5.30.17 */
759 typedef struct BSSListRidExtra BSSListRidExtra;
760 struct BSSListRidExtra {
761 __le16 unknown[4];
762 u8 fixed[12]; /* WLAN management frame */
763 u8 iep[624];
764 } __packed;
765
766 typedef struct BSSListRid BSSListRid;
767 struct BSSListRid {
768 __le16 len;
769 __le16 index; /* First is 0 and 0xffff means end of list */
770 #define RADIO_FH 1 /* Frequency hopping radio type */
771 #define RADIO_DS 2 /* Direct sequence radio type */
772 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
773 __le16 radioType;
774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
775 u8 zero;
776 u8 ssidLen;
777 u8 ssid[32];
778 __le16 dBm;
779 #define CAP_ESS cpu_to_le16(1<<0)
780 #define CAP_IBSS cpu_to_le16(1<<1)
781 #define CAP_PRIVACY cpu_to_le16(1<<4)
782 #define CAP_SHORTHDR cpu_to_le16(1<<5)
783 __le16 cap;
784 __le16 beaconInterval;
785 u8 rates[8]; /* Same as rates for config rid */
786 struct { /* For frequency hopping only */
787 __le16 dwell;
788 u8 hopSet;
789 u8 hopPattern;
790 u8 hopIndex;
791 u8 fill;
792 } fh;
793 __le16 dsChannel;
794 __le16 atimWindow;
795
796 /* Only present on firmware >= 5.30.17 */
797 BSSListRidExtra extra;
798 } __packed;
799
800 typedef struct {
801 BSSListRid bss;
802 struct list_head list;
803 } BSSListElement;
804
805 typedef struct tdsRssiEntry tdsRssiEntry;
806 struct tdsRssiEntry {
807 u8 rssipct;
808 u8 rssidBm;
809 } __packed;
810
811 typedef struct tdsRssiRid tdsRssiRid;
812 struct tdsRssiRid {
813 u16 len;
814 tdsRssiEntry x[256];
815 } __packed;
816
817 typedef struct MICRid MICRid;
818 struct MICRid {
819 __le16 len;
820 __le16 state;
821 __le16 multicastValid;
822 u8 multicast[16];
823 __le16 unicastValid;
824 u8 unicast[16];
825 } __packed;
826
827 typedef struct MICBuffer MICBuffer;
828 struct MICBuffer {
829 __be16 typelen;
830
831 union {
832 u8 snap[8];
833 struct {
834 u8 dsap;
835 u8 ssap;
836 u8 control;
837 u8 orgcode[3];
838 u8 fieldtype[2];
839 } llc;
840 } u;
841 __be32 mic;
842 __be32 seq;
843 } __packed;
844
845 typedef struct {
846 u8 da[ETH_ALEN];
847 u8 sa[ETH_ALEN];
848 } etherHead;
849
850 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
851 #define TXCTL_TXEX (1<<2) /* report if tx fails */
852 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
853 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
854 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
855 #define TXCTL_LLC (1<<4) /* payload is llc */
856 #define TXCTL_RELEASE (0<<5) /* release after completion */
857 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
858
859 #define BUSY_FID 0x10000
860
861 #ifdef CISCO_EXT
862 #define AIROMAGIC 0xa55a
863 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
864 #ifdef SIOCIWFIRSTPRIV
865 #ifdef SIOCDEVPRIVATE
866 #define AIROOLDIOCTL SIOCDEVPRIVATE
867 #define AIROOLDIDIFC AIROOLDIOCTL + 1
868 #endif /* SIOCDEVPRIVATE */
869 #else /* SIOCIWFIRSTPRIV */
870 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
871 #endif /* SIOCIWFIRSTPRIV */
872 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
874 * only and don't return the modified struct ifreq to the application which
875 * is usually a problem. - Jean II */
876 #define AIROIOCTL SIOCIWFIRSTPRIV
877 #define AIROIDIFC AIROIOCTL + 1
878
879 /* Ioctl constants to be used in airo_ioctl.command */
880
881 #define AIROGCAP 0 // Capability rid
882 #define AIROGCFG 1 // USED A LOT
883 #define AIROGSLIST 2 // System ID list
884 #define AIROGVLIST 3 // List of specified AP's
885 #define AIROGDRVNAM 4 // NOTUSED
886 #define AIROGEHTENC 5 // NOTUSED
887 #define AIROGWEPKTMP 6
888 #define AIROGWEPKNV 7
889 #define AIROGSTAT 8
890 #define AIROGSTATSC32 9
891 #define AIROGSTATSD32 10
892 #define AIROGMICRID 11
893 #define AIROGMICSTATS 12
894 #define AIROGFLAGS 13
895 #define AIROGID 14
896 #define AIRORRID 15
897 #define AIRORSWVERSION 17
898
899 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
900
901 #define AIROPCAP AIROGSTATSD32 + 40
902 #define AIROPVLIST AIROPCAP + 1
903 #define AIROPSLIST AIROPVLIST + 1
904 #define AIROPCFG AIROPSLIST + 1
905 #define AIROPSIDS AIROPCFG + 1
906 #define AIROPAPLIST AIROPSIDS + 1
907 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
908 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
909 #define AIROPSTCLR AIROPMACOFF + 1
910 #define AIROPWEPKEY AIROPSTCLR + 1
911 #define AIROPWEPKEYNV AIROPWEPKEY + 1
912 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
913 #define AIROPLEAPUSR AIROPLEAPPWD + 1
914
915 /* Flash codes */
916
917 #define AIROFLSHRST AIROPWEPKEYNV + 40
918 #define AIROFLSHGCHR AIROFLSHRST + 1
919 #define AIROFLSHSTFL AIROFLSHGCHR + 1
920 #define AIROFLSHPCHR AIROFLSHSTFL + 1
921 #define AIROFLPUTBUF AIROFLSHPCHR + 1
922 #define AIRORESTART AIROFLPUTBUF + 1
923
924 #define FLASHSIZE 32768
925 #define AUXMEMSIZE (256 * 1024)
926
927 typedef struct aironet_ioctl {
928 unsigned short command; // What to do
929 unsigned short len; // Len of data
930 unsigned short ridnum; // rid number
931 unsigned char __user *data; // d-data
932 } aironet_ioctl;
933
934 static const char swversion[] = "2.1";
935 #endif /* CISCO_EXT */
936
937 #define NUM_MODULES 2
938 #define MIC_MSGLEN_MAX 2400
939 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
940 #define AIRO_DEF_MTU 2312
941
942 typedef struct {
943 u32 size; // size
944 u8 enabled; // MIC enabled or not
945 u32 rxSuccess; // successful packets received
946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
947 u32 rxNotMICed; // pkts dropped due to not being MIC'd
948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
949 u32 rxWrongSequence; // pkts dropped due to sequence number violation
950 u32 reserve[32];
951 } mic_statistics;
952
953 typedef struct {
954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
955 u64 accum; // accumulated mic, reduced to u32 in final()
956 int position; // current position (byte offset) in message
957 union {
958 u8 d8[4];
959 __be32 d32;
960 } part; // saves partial message word across update() calls
961 } emmh32_context;
962
963 typedef struct {
964 emmh32_context seed; // Context - the seed
965 u32 rx; // Received sequence number
966 u32 tx; // Tx sequence number
967 u32 window; // Start of window
968 u8 valid; // Flag to say if context is valid or not
969 u8 key[16];
970 } miccntx;
971
972 typedef struct {
973 miccntx mCtx; // Multicast context
974 miccntx uCtx; // Unicast context
975 } mic_module;
976
977 typedef struct {
978 unsigned int rid: 16;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
982 } Rid;
983
984 typedef struct {
985 unsigned int offset: 15;
986 unsigned int eoc: 1;
987 unsigned int len: 15;
988 unsigned int valid: 1;
989 dma_addr_t host_addr;
990 } TxFid;
991
992 struct rx_hdr {
993 __le16 status, len;
994 u8 rssi[2];
995 u8 rate;
996 u8 freq;
997 __le16 tmp[4];
998 } __packed;
999
1000 typedef struct {
1001 unsigned int ctl: 15;
1002 unsigned int rdy: 1;
1003 unsigned int len: 15;
1004 unsigned int valid: 1;
1005 dma_addr_t host_addr;
1006 } RxFid;
1007
1008 /*
1009 * Host receive descriptor
1010 */
1011 typedef struct {
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1013 desc */
1014 RxFid rx_desc; /* card receive descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1016 buffer */
1017 int pending;
1018 } HostRxDesc;
1019
1020 /*
1021 * Host transmit descriptor
1022 */
1023 typedef struct {
1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1025 desc */
1026 TxFid tx_desc; /* card transmit descriptor */
1027 char *virtual_host_addr; /* virtual address of host receive
1028 buffer */
1029 int pending;
1030 } HostTxDesc;
1031
1032 /*
1033 * Host RID descriptor
1034 */
1035 typedef struct {
1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1037 descriptor */
1038 Rid rid_desc; /* card RID descriptor */
1039 char *virtual_host_addr; /* virtual address of host receive
1040 buffer */
1041 } HostRidDesc;
1042
1043 typedef struct {
1044 u16 sw0;
1045 u16 sw1;
1046 u16 status;
1047 u16 len;
1048 #define HOST_SET (1 << 0)
1049 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1050 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1051 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1052 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1053 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1054 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1055 #define HOST_RTS (1 << 9) /* Force RTS use */
1056 #define HOST_SHORT (1 << 10) /* Do short preamble */
1057 u16 ctl;
1058 u16 aid;
1059 u16 retries;
1060 u16 fill;
1061 } TxCtlHdr;
1062
1063 typedef struct {
1064 u16 ctl;
1065 u16 duration;
1066 char addr1[6];
1067 char addr2[6];
1068 char addr3[6];
1069 u16 seq;
1070 char addr4[6];
1071 } WifiHdr;
1072
1073
1074 typedef struct {
1075 TxCtlHdr ctlhdr;
1076 u16 fill1;
1077 u16 fill2;
1078 WifiHdr wifihdr;
1079 u16 gaplen;
1080 u16 status;
1081 } WifiCtlHdr;
1082
1083 static WifiCtlHdr wifictlhdr8023 = {
1084 .ctlhdr = {
1085 .ctl = HOST_DONT_RLSE,
1086 }
1087 };
1088
1089 // A few details needed for WEP (Wireless Equivalent Privacy)
1090 #define MAX_KEY_SIZE 13 // 128 (?) bits
1091 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1092 typedef struct wep_key_t {
1093 u16 len;
1094 u8 key[16]; /* 40-bit and 104-bit keys */
1095 } wep_key_t;
1096
1097 /* List of Wireless Handlers (new API) */
1098 static const struct iw_handler_def airo_handler_def;
1099
1100 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1101
1102 struct airo_info;
1103
1104 static int get_dec_u16( char *buffer, int *start, int limit );
1105 static void OUT4500( struct airo_info *, u16 register, u16 value );
1106 static unsigned short IN4500( struct airo_info *, u16 register );
1107 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1108 static int enable_MAC(struct airo_info *ai, int lock);
1109 static void disable_MAC(struct airo_info *ai, int lock);
1110 static void enable_interrupts(struct airo_info*);
1111 static void disable_interrupts(struct airo_info*);
1112 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1113 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1114 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1115 int whichbap);
1116 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1117 int whichbap);
1118 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1119 int whichbap);
1120 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1121 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1122 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1123 *pBuf, int len, int lock);
1124 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1125 int len, int dummy );
1126 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1127 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1128 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1129
1130 static int mpi_send_packet (struct net_device *dev);
1131 static void mpi_unmap_card(struct pci_dev *pci);
1132 static void mpi_receive_802_3(struct airo_info *ai);
1133 static void mpi_receive_802_11(struct airo_info *ai);
1134 static int waitbusy (struct airo_info *ai);
1135
1136 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1137 static int airo_thread(void *data);
1138 static void timer_func( struct net_device *dev );
1139 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1140 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1141 static void airo_read_wireless_stats (struct airo_info *local);
1142 #ifdef CISCO_EXT
1143 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1144 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1145 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1146 #endif /* CISCO_EXT */
1147 static void micinit(struct airo_info *ai);
1148 static int micsetup(struct airo_info *ai);
1149 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1150 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1151
1152 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1153 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1154
1155 static void airo_networks_free(struct airo_info *ai);
1156
1157 struct airo_info {
1158 struct net_device *dev;
1159 struct list_head dev_list;
1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1161 use the high bit to mark whether it is in use. */
1162 #define MAX_FIDS 6
1163 #define MPI_MAX_FIDS 1
1164 u32 fids[MAX_FIDS];
1165 ConfigRid config;
1166 char keyindex; // Used with auto wep
1167 char defindex; // Used with auto wep
1168 struct proc_dir_entry *proc_entry;
1169 spinlock_t aux_lock;
1170 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1171 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1172 #define FLAG_RADIO_MASK 0x03
1173 #define FLAG_ENABLED 2
1174 #define FLAG_ADHOC 3 /* Needed by MIC */
1175 #define FLAG_MIC_CAPABLE 4
1176 #define FLAG_UPDATE_MULTI 5
1177 #define FLAG_UPDATE_UNI 6
1178 #define FLAG_802_11 7
1179 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1180 #define FLAG_PENDING_XMIT 9
1181 #define FLAG_PENDING_XMIT11 10
1182 #define FLAG_MPI 11
1183 #define FLAG_REGISTERED 12
1184 #define FLAG_COMMIT 13
1185 #define FLAG_RESET 14
1186 #define FLAG_FLASHING 15
1187 #define FLAG_WPA_CAPABLE 16
1188 unsigned long flags;
1189 #define JOB_DIE 0
1190 #define JOB_XMIT 1
1191 #define JOB_XMIT11 2
1192 #define JOB_STATS 3
1193 #define JOB_PROMISC 4
1194 #define JOB_MIC 5
1195 #define JOB_EVENT 6
1196 #define JOB_AUTOWEP 7
1197 #define JOB_WSTATS 8
1198 #define JOB_SCAN_RESULTS 9
1199 unsigned long jobs;
1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1201 int whichbap);
1202 unsigned short *flash;
1203 tdsRssiEntry *rssi;
1204 struct task_struct *list_bss_task;
1205 struct task_struct *airo_thread_task;
1206 struct semaphore sem;
1207 wait_queue_head_t thr_wait;
1208 unsigned long expires;
1209 struct {
1210 struct sk_buff *skb;
1211 int fid;
1212 } xmit, xmit11;
1213 struct net_device *wifidev;
1214 struct iw_statistics wstats; // wireless stats
1215 unsigned long scan_timeout; /* Time scan should be read */
1216 struct iw_spy_data spy_data;
1217 struct iw_public_data wireless_data;
1218 /* MIC stuff */
1219 struct crypto_cipher *tfm;
1220 mic_module mod[2];
1221 mic_statistics micstats;
1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1223 HostTxDesc txfids[MPI_MAX_FIDS];
1224 HostRidDesc config_desc;
1225 unsigned long ridbus; // phys addr of config_desc
1226 struct sk_buff_head txq;// tx queue used by mpi350 code
1227 struct pci_dev *pci;
1228 unsigned char __iomem *pcimem;
1229 unsigned char __iomem *pciaux;
1230 unsigned char *shared;
1231 dma_addr_t shared_dma;
1232 pm_message_t power;
1233 SsidRid *SSID;
1234 APListRid *APList;
1235 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1236 char proc_name[IFNAMSIZ];
1237
1238 int wep_capable;
1239 int max_wep_idx;
1240
1241 /* WPA-related stuff */
1242 unsigned int bssListFirst;
1243 unsigned int bssListNext;
1244 unsigned int bssListRidLen;
1245
1246 struct list_head network_list;
1247 struct list_head network_free_list;
1248 BSSListElement *networks;
1249 };
1250
1251 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1252 int whichbap)
1253 {
1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1255 }
1256
1257 static int setup_proc_entry( struct net_device *dev,
1258 struct airo_info *apriv );
1259 static int takedown_proc_entry( struct net_device *dev,
1260 struct airo_info *apriv );
1261
1262 static int cmdreset(struct airo_info *ai);
1263 static int setflashmode (struct airo_info *ai);
1264 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1265 static int flashputbuf(struct airo_info *ai);
1266 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1267
1268 #define airo_print(type, name, fmt, args...) \
1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1270
1271 #define airo_print_info(name, fmt, args...) \
1272 airo_print(KERN_INFO, name, fmt, ##args)
1273
1274 #define airo_print_dbg(name, fmt, args...) \
1275 airo_print(KERN_DEBUG, name, fmt, ##args)
1276
1277 #define airo_print_warn(name, fmt, args...) \
1278 airo_print(KERN_WARNING, name, fmt, ##args)
1279
1280 #define airo_print_err(name, fmt, args...) \
1281 airo_print(KERN_ERR, name, fmt, ##args)
1282
1283 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1284
1285 /***********************************************************************
1286 * MIC ROUTINES *
1287 ***********************************************************************
1288 */
1289
1290 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1291 static void MoveWindow(miccntx *context, u32 micSeq);
1292 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1293 struct crypto_cipher *tfm);
1294 static void emmh32_init(emmh32_context *context);
1295 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1296 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1297 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1298
1299 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1300 struct crypto_cipher *tfm)
1301 {
1302 /* If the current MIC context is valid and its key is the same as
1303 * the MIC register, there's nothing to do.
1304 */
1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1306 return;
1307
1308 /* Age current mic Context */
1309 memcpy(old, cur, sizeof(*cur));
1310
1311 /* Initialize new context */
1312 memcpy(cur->key, key, key_len);
1313 cur->window = 33; /* Window always points to the middle */
1314 cur->rx = 0; /* Rx Sequence numbers */
1315 cur->tx = 0; /* Tx sequence numbers */
1316 cur->valid = 1; /* Key is now valid */
1317
1318 /* Give key to mic seed */
1319 emmh32_setseed(&cur->seed, key, key_len, tfm);
1320 }
1321
1322 /* micinit - Initialize mic seed */
1323
1324 static void micinit(struct airo_info *ai)
1325 {
1326 MICRid mic_rid;
1327
1328 clear_bit(JOB_MIC, &ai->jobs);
1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1330 up(&ai->sem);
1331
1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1333 if (!ai->micstats.enabled) {
1334 /* So next time we have a valid key and mic is enabled, we will
1335 * update the sequence number if the key is the same as before.
1336 */
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1339 return;
1340 }
1341
1342 if (mic_rid.multicastValid) {
1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1344 mic_rid.multicast, sizeof(mic_rid.multicast),
1345 ai->tfm);
1346 }
1347
1348 if (mic_rid.unicastValid) {
1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1350 mic_rid.unicast, sizeof(mic_rid.unicast),
1351 ai->tfm);
1352 }
1353 }
1354
1355 /* micsetup - Get ready for business */
1356
1357 static int micsetup(struct airo_info *ai) {
1358 int i;
1359
1360 if (ai->tfm == NULL)
1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1362
1363 if (IS_ERR(ai->tfm)) {
1364 airo_print_err(ai->dev->name, "failed to load transform for AES");
1365 ai->tfm = NULL;
1366 return ERROR;
1367 }
1368
1369 for (i=0; i < NUM_MODULES; i++) {
1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1372 }
1373 return SUCCESS;
1374 }
1375
1376 static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1377
1378 /*===========================================================================
1379 * Description: Mic a packet
1380 *
1381 * Inputs: etherHead * pointer to an 802.3 frame
1382 *
1383 * Returns: BOOLEAN if successful, otherwise false.
1384 * PacketTxLen will be updated with the mic'd packets size.
1385 *
1386 * Caveats: It is assumed that the frame buffer will already
1387 * be big enough to hold the largets mic message possible.
1388 * (No memory allocation is done here).
1389 *
1390 * Author: sbraneky (10/15/01)
1391 * Merciless hacks by rwilcher (1/14/02)
1392 */
1393
1394 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1395 {
1396 miccntx *context;
1397
1398 // Determine correct context
1399 // If not adhoc, always use unicast key
1400
1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1402 context = &ai->mod[0].mCtx;
1403 else
1404 context = &ai->mod[0].uCtx;
1405
1406 if (!context->valid)
1407 return ERROR;
1408
1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1410
1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1412
1413 // Add Tx sequence
1414 mic->seq = htonl(context->tx);
1415 context->tx += 2;
1416
1417 emmh32_init(&context->seed); // Mic the packet
1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1421 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
1422 emmh32_final(&context->seed, (u8*)&mic->mic);
1423
1424 /* New Type/length ?????????? */
1425 mic->typelen = 0; //Let NIC know it could be an oversized packet
1426 return SUCCESS;
1427 }
1428
1429 typedef enum {
1430 NONE,
1431 NOMIC,
1432 NOMICPLUMMED,
1433 SEQUENCE,
1434 INCORRECTMIC,
1435 } mic_error;
1436
1437 /*===========================================================================
1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1439 * (removes the MIC stuff) if packet is a valid packet.
1440 *
1441 * Inputs: etherHead pointer to the 802.3 packet
1442 *
1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1444 *
1445 * Author: sbraneky (10/15/01)
1446 * Merciless hacks by rwilcher (1/14/02)
1447 *---------------------------------------------------------------------------
1448 */
1449
1450 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1451 {
1452 int i;
1453 u32 micSEQ;
1454 miccntx *context;
1455 u8 digest[4];
1456 mic_error micError = NONE;
1457
1458 // Check if the packet is a Mic'd packet
1459
1460 if (!ai->micstats.enabled) {
1461 //No Mic set or Mic OFF but we received a MIC'd packet.
1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1463 ai->micstats.rxMICPlummed++;
1464 return ERROR;
1465 }
1466 return SUCCESS;
1467 }
1468
1469 if (ntohs(mic->typelen) == 0x888E)
1470 return SUCCESS;
1471
1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1473 // Mic enabled but packet isn't Mic'd
1474 ai->micstats.rxMICPlummed++;
1475 return ERROR;
1476 }
1477
1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1479
1480 //At this point we a have a mic'd packet and mic is enabled
1481 //Now do the mic error checking.
1482
1483 //Receive seq must be odd
1484 if ( (micSEQ & 1) == 0 ) {
1485 ai->micstats.rxWrongSequence++;
1486 return ERROR;
1487 }
1488
1489 for (i = 0; i < NUM_MODULES; i++) {
1490 int mcast = eth->da[0] & 1;
1491 //Determine proper context
1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1493
1494 //Make sure context is valid
1495 if (!context->valid) {
1496 if (i == 0)
1497 micError = NOMICPLUMMED;
1498 continue;
1499 }
1500 //DeMic it
1501
1502 if (!mic->typelen)
1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1504
1505 emmh32_init(&context->seed);
1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1509 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);
1510 //Calculate MIC
1511 emmh32_final(&context->seed, digest);
1512
1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1514 //Invalid Mic
1515 if (i == 0)
1516 micError = INCORRECTMIC;
1517 continue;
1518 }
1519
1520 //Check Sequence number if mics pass
1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1522 ai->micstats.rxSuccess++;
1523 return SUCCESS;
1524 }
1525 if (i == 0)
1526 micError = SEQUENCE;
1527 }
1528
1529 // Update statistics
1530 switch (micError) {
1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1534 case NONE: break;
1535 case NOMIC: break;
1536 }
1537 return ERROR;
1538 }
1539
1540 /*===========================================================================
1541 * Description: Checks the Rx Seq number to make sure it is valid
1542 * and hasn't already been received
1543 *
1544 * Inputs: miccntx - mic context to check seq against
1545 * micSeq - the Mic seq number
1546 *
1547 * Returns: TRUE if valid otherwise FALSE.
1548 *
1549 * Author: sbraneky (10/15/01)
1550 * Merciless hacks by rwilcher (1/14/02)
1551 *---------------------------------------------------------------------------
1552 */
1553
1554 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1555 {
1556 u32 seq,index;
1557
1558 //Allow for the ap being rebooted - if it is then use the next
1559 //sequence number of the current sequence number - might go backwards
1560
1561 if (mcast) {
1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1564 context->window = (micSeq > 33) ? micSeq : 33;
1565 context->rx = 0; // Reset rx
1566 }
1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1570 context->rx = 0; // Reset rx
1571 }
1572
1573 //Make sequence number relative to START of window
1574 seq = micSeq - (context->window - 33);
1575
1576 //Too old of a SEQ number to check.
1577 if ((s32)seq < 0)
1578 return ERROR;
1579
1580 if ( seq > 64 ) {
1581 //Window is infinite forward
1582 MoveWindow(context,micSeq);
1583 return SUCCESS;
1584 }
1585
1586 // We are in the window. Now check the context rx bit to see if it was already sent
1587 seq >>= 1; //divide by 2 because we only have odd numbers
1588 index = 1 << seq; //Get an index number
1589
1590 if (!(context->rx & index)) {
1591 //micSEQ falls inside the window.
1592 //Add seqence number to the list of received numbers.
1593 context->rx |= index;
1594
1595 MoveWindow(context,micSeq);
1596
1597 return SUCCESS;
1598 }
1599 return ERROR;
1600 }
1601
1602 static void MoveWindow(miccntx *context, u32 micSeq)
1603 {
1604 u32 shift;
1605
1606 //Move window if seq greater than the middle of the window
1607 if (micSeq > context->window) {
1608 shift = (micSeq - context->window) >> 1;
1609
1610 //Shift out old
1611 if (shift < 32)
1612 context->rx >>= shift;
1613 else
1614 context->rx = 0;
1615
1616 context->window = micSeq; //Move window
1617 }
1618 }
1619
1620 /*==============================================*/
1621 /*========== EMMH ROUTINES ====================*/
1622 /*==============================================*/
1623
1624 /* mic accumulate */
1625 #define MIC_ACCUM(val) \
1626 context->accum += (u64)(val) * context->coeff[coeff_position++];
1627
1628 static unsigned char aes_counter[16];
1629
1630 /* expand the key to fill the MMH coefficient array */
1631 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1632 struct crypto_cipher *tfm)
1633 {
1634 /* take the keying material, expand if necessary, truncate at 16-bytes */
1635 /* run through AES counter mode to generate context->coeff[] */
1636
1637 int i,j;
1638 u32 counter;
1639 u8 *cipher, plain[16];
1640
1641 crypto_cipher_setkey(tfm, pkey, 16);
1642 counter = 0;
1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1644 aes_counter[15] = (u8)(counter >> 0);
1645 aes_counter[14] = (u8)(counter >> 8);
1646 aes_counter[13] = (u8)(counter >> 16);
1647 aes_counter[12] = (u8)(counter >> 24);
1648 counter++;
1649 memcpy (plain, aes_counter, 16);
1650 crypto_cipher_encrypt_one(tfm, plain, plain);
1651 cipher = plain;
1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1654 j += 4;
1655 }
1656 }
1657 }
1658
1659 /* prepare for calculation of a new mic */
1660 static void emmh32_init(emmh32_context *context)
1661 {
1662 /* prepare for new mic calculation */
1663 context->accum = 0;
1664 context->position = 0;
1665 }
1666
1667 /* add some bytes to the mic calculation */
1668 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1669 {
1670 int coeff_position, byte_position;
1671
1672 if (len == 0) return;
1673
1674 coeff_position = context->position >> 2;
1675
1676 /* deal with partial 32-bit word left over from last update */
1677 byte_position = context->position & 3;
1678 if (byte_position) {
1679 /* have a partial word in part to deal with */
1680 do {
1681 if (len == 0) return;
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1684 len--;
1685 } while (byte_position < 4);
1686 MIC_ACCUM(ntohl(context->part.d32));
1687 }
1688
1689 /* deal with full 32-bit words */
1690 while (len >= 4) {
1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1692 context->position += 4;
1693 pOctets += 4;
1694 len -= 4;
1695 }
1696
1697 /* deal with partial 32-bit word that will be left over from this update */
1698 byte_position = 0;
1699 while (len > 0) {
1700 context->part.d8[byte_position++] = *pOctets++;
1701 context->position++;
1702 len--;
1703 }
1704 }
1705
1706 /* mask used to zero empty bytes for final partial word */
1707 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1708
1709 /* calculate the mic */
1710 static void emmh32_final(emmh32_context *context, u8 digest[4])
1711 {
1712 int coeff_position, byte_position;
1713 u32 val;
1714
1715 u64 sum, utmp;
1716 s64 stmp;
1717
1718 coeff_position = context->position >> 2;
1719
1720 /* deal with partial 32-bit word left over from last update */
1721 byte_position = context->position & 3;
1722 if (byte_position) {
1723 /* have a partial word in part to deal with */
1724 val = ntohl(context->part.d32);
1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1726 }
1727
1728 /* reduce the accumulated u64 to a 32-bit MIC */
1729 sum = context->accum;
1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1732 sum = utmp & 0xffffffffLL;
1733 if (utmp > 0x10000000fLL)
1734 sum -= 15;
1735
1736 val = (u32)sum;
1737 digest[0] = (val>>24) & 0xFF;
1738 digest[1] = (val>>16) & 0xFF;
1739 digest[2] = (val>>8) & 0xFF;
1740 digest[3] = val & 0xFF;
1741 }
1742
1743 static int readBSSListRid(struct airo_info *ai, int first,
1744 BSSListRid *list)
1745 {
1746 Cmd cmd;
1747 Resp rsp;
1748
1749 if (first == 1) {
1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1751 memset(&cmd, 0, sizeof(cmd));
1752 cmd.cmd=CMD_LISTBSS;
1753 if (down_interruptible(&ai->sem))
1754 return -ERESTARTSYS;
1755 ai->list_bss_task = current;
1756 issuecommand(ai, &cmd, &rsp);
1757 up(&ai->sem);
1758 /* Let the command take effect */
1759 schedule_timeout_uninterruptible(3 * HZ);
1760 ai->list_bss_task = NULL;
1761 }
1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1763 list, ai->bssListRidLen, 1);
1764 }
1765
1766 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1767 {
1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1769 wkr, sizeof(*wkr), lock);
1770 }
1771
1772 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1773 {
1774 int rc;
1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1776 if (rc!=SUCCESS)
1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1778 if (perm) {
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1780 if (rc!=SUCCESS)
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1782 }
1783 return rc;
1784 }
1785
1786 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1787 {
1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1789 }
1790
1791 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1792 {
1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1794 }
1795
1796 static int readConfigRid(struct airo_info *ai, int lock)
1797 {
1798 int rc;
1799 ConfigRid cfg;
1800
1801 if (ai->config.len)
1802 return SUCCESS;
1803
1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1805 if (rc != SUCCESS)
1806 return rc;
1807
1808 ai->config = cfg;
1809 return SUCCESS;
1810 }
1811
1812 static inline void checkThrottle(struct airo_info *ai)
1813 {
1814 int i;
1815 /* Old hardware had a limit on encryption speed */
1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1817 for(i=0; i<8; i++) {
1818 if (ai->config.rates[i] > maxencrypt) {
1819 ai->config.rates[i] = 0;
1820 }
1821 }
1822 }
1823 }
1824
1825 static int writeConfigRid(struct airo_info *ai, int lock)
1826 {
1827 ConfigRid cfgr;
1828
1829 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 return SUCCESS;
1831
1832 clear_bit (FLAG_COMMIT, &ai->flags);
1833 clear_bit (FLAG_RESET, &ai->flags);
1834 checkThrottle(ai);
1835 cfgr = ai->config;
1836
1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1838 set_bit(FLAG_ADHOC, &ai->flags);
1839 else
1840 clear_bit(FLAG_ADHOC, &ai->flags);
1841
1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1843 }
1844
1845 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1846 {
1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1848 }
1849
1850 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1851 {
1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1853 }
1854
1855 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1856 {
1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1858 }
1859
1860 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1861 {
1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1863 }
1864
1865 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1866 {
1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1868 }
1869
1870 static void try_auto_wep(struct airo_info *ai)
1871 {
1872 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) {
1873 ai->expires = RUN_AT(3*HZ);
1874 wake_up_interruptible(&ai->thr_wait);
1875 }
1876 }
1877
1878 static int airo_open(struct net_device *dev) {
1879 struct airo_info *ai = dev->ml_priv;
1880 int rc = 0;
1881
1882 if (test_bit(FLAG_FLASHING, &ai->flags))
1883 return -EIO;
1884
1885 /* Make sure the card is configured.
1886 * Wireless Extensions may postpone config changes until the card
1887 * is open (to pipeline changes and speed-up card setup). If
1888 * those changes are not yet committed, do it now - Jean II */
1889 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1890 disable_MAC(ai, 1);
1891 writeConfigRid(ai, 1);
1892 }
1893
1894 if (ai->wifidev != dev) {
1895 clear_bit(JOB_DIE, &ai->jobs);
1896 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s",
1897 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 eth_hw_addr_inherit(dev, ethdev);
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 return -ENOMEM;
4511 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
4512
4513 /* Setup the StatsDelta */
4514 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
4515 apriv->proc_entry, &proc_statsdelta_ops, dev);
4516 if (!entry)
4517 goto fail;
4518 proc_set_user(entry, proc_kuid, proc_kgid);
4519
4520 /* Setup the Stats */
4521 entry = proc_create_data("Stats", S_IRUGO & proc_perm,
4522 apriv->proc_entry, &proc_stats_ops, dev);
4523 if (!entry)
4524 goto fail;
4525 proc_set_user(entry, proc_kuid, proc_kgid);
4526
4527 /* Setup the Status */
4528 entry = proc_create_data("Status", S_IRUGO & proc_perm,
4529 apriv->proc_entry, &proc_status_ops, dev);
4530 if (!entry)
4531 goto fail;
4532 proc_set_user(entry, proc_kuid, proc_kgid);
4533
4534 /* Setup the Config */
4535 entry = proc_create_data("Config", proc_perm,
4536 apriv->proc_entry, &proc_config_ops, dev);
4537 if (!entry)
4538 goto fail;
4539 proc_set_user(entry, proc_kuid, proc_kgid);
4540
4541 /* Setup the SSID */
4542 entry = proc_create_data("SSID", proc_perm,
4543 apriv->proc_entry, &proc_SSID_ops, dev);
4544 if (!entry)
4545 goto fail;
4546 proc_set_user(entry, proc_kuid, proc_kgid);
4547
4548 /* Setup the APList */
4549 entry = proc_create_data("APList", proc_perm,
4550 apriv->proc_entry, &proc_APList_ops, dev);
4551 if (!entry)
4552 goto fail;
4553 proc_set_user(entry, proc_kuid, proc_kgid);
4554
4555 /* Setup the BSSList */
4556 entry = proc_create_data("BSSList", proc_perm,
4557 apriv->proc_entry, &proc_BSSList_ops, dev);
4558 if (!entry)
4559 goto fail;
4560 proc_set_user(entry, proc_kuid, proc_kgid);
4561
4562 /* Setup the WepKey */
4563 entry = proc_create_data("WepKey", proc_perm,
4564 apriv->proc_entry, &proc_wepkey_ops, dev);
4565 if (!entry)
4566 goto fail;
4567 proc_set_user(entry, proc_kuid, proc_kgid);
4568 return 0;
4569
4570 fail:
4571 remove_proc_subtree(apriv->proc_name, airo_entry);
4572 return -ENOMEM;
4573 }
4574
4575 static int takedown_proc_entry( struct net_device *dev,
4576 struct airo_info *apriv )
4577 {
4578 remove_proc_subtree(apriv->proc_name, airo_entry);
4579 return 0;
4580 }
4581
4582 /*
4583 * What we want from the proc_fs is to be able to efficiently read
4584 * and write the configuration. To do this, we want to read the
4585 * configuration when the file is opened and write it when the file is
4586 * closed. So basically we allocate a read buffer at open and fill it
4587 * with data, and allocate a write buffer and read it at close.
4588 */
4589
4590 /*
4591 * The read routine is generic, it relies on the preallocated rbuffer
4592 * to supply the data.
4593 */
4594 static ssize_t proc_read( struct file *file,
4595 char __user *buffer,
4596 size_t len,
4597 loff_t *offset )
4598 {
4599 struct proc_data *priv = file->private_data;
4600
4601 if (!priv->rbuffer)
4602 return -EINVAL;
4603
4604 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4605 priv->readlen);
4606 }
4607
4608 /*
4609 * The write routine is generic, it fills in a preallocated rbuffer
4610 * to supply the data.
4611 */
4612 static ssize_t proc_write( struct file *file,
4613 const char __user *buffer,
4614 size_t len,
4615 loff_t *offset )
4616 {
4617 ssize_t ret;
4618 struct proc_data *priv = file->private_data;
4619
4620 if (!priv->wbuffer)
4621 return -EINVAL;
4622
4623 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,
4624 buffer, len);
4625 if (ret > 0)
4626 priv->writelen = max_t(int, priv->writelen, *offset);
4627
4628 return ret;
4629 }
4630
4631 static int proc_status_open(struct inode *inode, struct file *file)
4632 {
4633 struct proc_data *data;
4634 struct net_device *dev = PDE_DATA(inode);
4635 struct airo_info *apriv = dev->ml_priv;
4636 CapabilityRid cap_rid;
4637 StatusRid status_rid;
4638 u16 mode;
4639 int i;
4640
4641 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4642 return -ENOMEM;
4643 data = file->private_data;
4644 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4645 kfree (file->private_data);
4646 return -ENOMEM;
4647 }
4648
4649 readStatusRid(apriv, &status_rid, 1);
4650 readCapabilityRid(apriv, &cap_rid, 1);
4651
4652 mode = le16_to_cpu(status_rid.mode);
4653
4654 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4655 mode & 1 ? "CFG ": "",
4656 mode & 2 ? "ACT ": "",
4657 mode & 0x10 ? "SYN ": "",
4658 mode & 0x20 ? "LNK ": "",
4659 mode & 0x40 ? "LEAP ": "",
4660 mode & 0x80 ? "PRIV ": "",
4661 mode & 0x100 ? "KEY ": "",
4662 mode & 0x200 ? "WEP ": "",
4663 mode & 0x8000 ? "ERR ": "");
4664 sprintf( data->rbuffer+i, "Mode: %x\n"
4665 "Signal Strength: %d\n"
4666 "Signal Quality: %d\n"
4667 "SSID: %-.*s\n"
4668 "AP: %-.16s\n"
4669 "Freq: %d\n"
4670 "BitRate: %dmbs\n"
4671 "Driver Version: %s\n"
4672 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4673 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4674 "Software Version: %x\nSoftware Subversion: %x\n"
4675 "Boot block version: %x\n",
4676 le16_to_cpu(status_rid.mode),
4677 le16_to_cpu(status_rid.normalizedSignalStrength),
4678 le16_to_cpu(status_rid.signalQuality),
4679 le16_to_cpu(status_rid.SSIDlen),
4680 status_rid.SSID,
4681 status_rid.apName,
4682 le16_to_cpu(status_rid.channel),
4683 le16_to_cpu(status_rid.currentXmitRate) / 2,
4684 version,
4685 cap_rid.prodName,
4686 cap_rid.manName,
4687 cap_rid.prodVer,
4688 le16_to_cpu(cap_rid.radioType),
4689 le16_to_cpu(cap_rid.country),
4690 le16_to_cpu(cap_rid.hardVer),
4691 le16_to_cpu(cap_rid.softVer),
4692 le16_to_cpu(cap_rid.softSubVer),
4693 le16_to_cpu(cap_rid.bootBlockVer));
4694 data->readlen = strlen( data->rbuffer );
4695 return 0;
4696 }
4697
4698 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4699 static int proc_statsdelta_open( struct inode *inode,
4700 struct file *file ) {
4701 if (file->f_mode&FMODE_WRITE) {
4702 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4703 }
4704 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4705 }
4706
4707 static int proc_stats_open( struct inode *inode, struct file *file ) {
4708 return proc_stats_rid_open(inode, file, RID_STATS);
4709 }
4710
4711 static int proc_stats_rid_open( struct inode *inode,
4712 struct file *file,
4713 u16 rid )
4714 {
4715 struct proc_data *data;
4716 struct net_device *dev = PDE_DATA(inode);
4717 struct airo_info *apriv = dev->ml_priv;
4718 StatsRid stats;
4719 int i, j;
4720 __le32 *vals = stats.vals;
4721 int len;
4722
4723 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4724 return -ENOMEM;
4725 data = file->private_data;
4726 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4727 kfree (file->private_data);
4728 return -ENOMEM;
4729 }
4730
4731 readStatsRid(apriv, &stats, rid, 1);
4732 len = le16_to_cpu(stats.len);
4733
4734 j = 0;
4735 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4736 if (!statsLabels[i]) continue;
4737 if (j+strlen(statsLabels[i])+16>4096) {
4738 airo_print_warn(apriv->dev->name,
4739 "Potentially disastrous buffer overflow averted!");
4740 break;
4741 }
4742 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4743 le32_to_cpu(vals[i]));
4744 }
4745 if (i*4 >= len) {
4746 airo_print_warn(apriv->dev->name, "Got a short rid");
4747 }
4748 data->readlen = j;
4749 return 0;
4750 }
4751
4752 static int get_dec_u16( char *buffer, int *start, int limit ) {
4753 u16 value;
4754 int valid = 0;
4755 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4756 buffer[*start] <= '9'; (*start)++) {
4757 valid = 1;
4758 value *= 10;
4759 value += buffer[*start] - '0';
4760 }
4761 if ( !valid ) return -1;
4762 return value;
4763 }
4764
4765 static int airo_config_commit(struct net_device *dev,
4766 struct iw_request_info *info, void *zwrq,
4767 char *extra);
4768
4769 static inline int sniffing_mode(struct airo_info *ai)
4770 {
4771 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4772 le16_to_cpu(RXMODE_RFMON);
4773 }
4774
4775 static void proc_config_on_close(struct inode *inode, struct file *file)
4776 {
4777 struct proc_data *data = file->private_data;
4778 struct net_device *dev = PDE_DATA(inode);
4779 struct airo_info *ai = dev->ml_priv;
4780 char *line;
4781
4782 if ( !data->writelen ) return;
4783
4784 readConfigRid(ai, 1);
4785 set_bit (FLAG_COMMIT, &ai->flags);
4786
4787 line = data->wbuffer;
4788 while( line[0] ) {
4789 /*** Mode processing */
4790 if ( !strncmp( line, "Mode: ", 6 ) ) {
4791 line += 6;
4792 if (sniffing_mode(ai))
4793 set_bit (FLAG_RESET, &ai->flags);
4794 ai->config.rmode &= ~RXMODE_FULL_MASK;
4795 clear_bit (FLAG_802_11, &ai->flags);
4796 ai->config.opmode &= ~MODE_CFG_MASK;
4797 ai->config.scanMode = SCANMODE_ACTIVE;
4798 if ( line[0] == 'a' ) {
4799 ai->config.opmode |= MODE_STA_IBSS;
4800 } else {
4801 ai->config.opmode |= MODE_STA_ESS;
4802 if ( line[0] == 'r' ) {
4803 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4804 ai->config.scanMode = SCANMODE_PASSIVE;
4805 set_bit (FLAG_802_11, &ai->flags);
4806 } else if ( line[0] == 'y' ) {
4807 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4808 ai->config.scanMode = SCANMODE_PASSIVE;
4809 set_bit (FLAG_802_11, &ai->flags);
4810 } else if ( line[0] == 'l' )
4811 ai->config.rmode |= RXMODE_LANMON;
4812 }
4813 set_bit (FLAG_COMMIT, &ai->flags);
4814 }
4815
4816 /*** Radio status */
4817 else if (!strncmp(line,"Radio: ", 7)) {
4818 line += 7;
4819 if (!strncmp(line,"off",3)) {
4820 set_bit (FLAG_RADIO_OFF, &ai->flags);
4821 } else {
4822 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4823 }
4824 }
4825 /*** NodeName processing */
4826 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4827 int j;
4828
4829 line += 10;
4830 memset( ai->config.nodeName, 0, 16 );
4831 /* Do the name, assume a space between the mode and node name */
4832 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4833 ai->config.nodeName[j] = line[j];
4834 }
4835 set_bit (FLAG_COMMIT, &ai->flags);
4836 }
4837
4838 /*** PowerMode processing */
4839 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4840 line += 11;
4841 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4842 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 } else if ( !strncmp( line, "PSP", 3 ) ) {
4845 ai->config.powerSaveMode = POWERSAVE_PSP;
4846 set_bit (FLAG_COMMIT, &ai->flags);
4847 } else {
4848 ai->config.powerSaveMode = POWERSAVE_CAM;
4849 set_bit (FLAG_COMMIT, &ai->flags);
4850 }
4851 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4852 int v, i = 0, k = 0; /* i is index into line,
4853 k is index to rates */
4854
4855 line += 11;
4856 while((v = get_dec_u16(line, &i, 3))!=-1) {
4857 ai->config.rates[k++] = (u8)v;
4858 line += i + 1;
4859 i = 0;
4860 }
4861 set_bit (FLAG_COMMIT, &ai->flags);
4862 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4863 int v, i = 0;
4864 line += 9;
4865 v = get_dec_u16(line, &i, i+3);
4866 if ( v != -1 ) {
4867 ai->config.channelSet = cpu_to_le16(v);
4868 set_bit (FLAG_COMMIT, &ai->flags);
4869 }
4870 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4871 int v, i = 0;
4872 line += 11;
4873 v = get_dec_u16(line, &i, i+3);
4874 if ( v != -1 ) {
4875 ai->config.txPower = cpu_to_le16(v);
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 }
4878 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4879 line += 5;
4880 switch( line[0] ) {
4881 case 's':
4882 ai->config.authType = AUTH_SHAREDKEY;
4883 break;
4884 case 'e':
4885 ai->config.authType = AUTH_ENCRYPT;
4886 break;
4887 default:
4888 ai->config.authType = AUTH_OPEN;
4889 break;
4890 }
4891 set_bit (FLAG_COMMIT, &ai->flags);
4892 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4893 int v, i = 0;
4894
4895 line += 16;
4896 v = get_dec_u16(line, &i, 3);
4897 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4898 ai->config.longRetryLimit = cpu_to_le16(v);
4899 set_bit (FLAG_COMMIT, &ai->flags);
4900 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4901 int v, i = 0;
4902
4903 line += 17;
4904 v = get_dec_u16(line, &i, 3);
4905 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4906 ai->config.shortRetryLimit = cpu_to_le16(v);
4907 set_bit (FLAG_COMMIT, &ai->flags);
4908 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4909 int v, i = 0;
4910
4911 line += 14;
4912 v = get_dec_u16(line, &i, 4);
4913 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4914 ai->config.rtsThres = cpu_to_le16(v);
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4917 int v, i = 0;
4918
4919 line += 16;
4920 v = get_dec_u16(line, &i, 5);
4921 v = (v<0) ? 0 : v;
4922 ai->config.txLifetime = cpu_to_le16(v);
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4925 int v, i = 0;
4926
4927 line += 16;
4928 v = get_dec_u16(line, &i, 5);
4929 v = (v<0) ? 0 : v;
4930 ai->config.rxLifetime = cpu_to_le16(v);
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4933 ai->config.txDiversity =
4934 (line[13]=='l') ? 1 :
4935 ((line[13]=='r')? 2: 3);
4936 set_bit (FLAG_COMMIT, &ai->flags);
4937 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4938 ai->config.rxDiversity =
4939 (line[13]=='l') ? 1 :
4940 ((line[13]=='r')? 2: 3);
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4943 int v, i = 0;
4944
4945 line += 15;
4946 v = get_dec_u16(line, &i, 4);
4947 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4948 v = v & 0xfffe; /* Make sure its even */
4949 ai->config.fragThresh = cpu_to_le16(v);
4950 set_bit (FLAG_COMMIT, &ai->flags);
4951 } else if (!strncmp(line, "Modulation: ", 12)) {
4952 line += 12;
4953 switch(*line) {
4954 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4955 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4956 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4957 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4958 }
4959 } else if (!strncmp(line, "Preamble: ", 10)) {
4960 line += 10;
4961 switch(*line) {
4962 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4963 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4964 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4966 }
4967 } else {
4968 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4969 }
4970 while( line[0] && line[0] != '\n' ) line++;
4971 if ( line[0] ) line++;
4972 }
4973 airo_config_commit(dev, NULL, NULL, NULL);
4974 }
4975
4976 static const char *get_rmode(__le16 mode)
4977 {
4978 switch(mode & RXMODE_MASK) {
4979 case RXMODE_RFMON: return "rfmon";
4980 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4981 case RXMODE_LANMON: return "lanmon";
4982 }
4983 return "ESS";
4984 }
4985
4986 static int proc_config_open(struct inode *inode, struct file *file)
4987 {
4988 struct proc_data *data;
4989 struct net_device *dev = PDE_DATA(inode);
4990 struct airo_info *ai = dev->ml_priv;
4991 int i;
4992 __le16 mode;
4993
4994 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4995 return -ENOMEM;
4996 data = file->private_data;
4997 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4998 kfree (file->private_data);
4999 return -ENOMEM;
5000 }
5001 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5002 kfree (data->rbuffer);
5003 kfree (file->private_data);
5004 return -ENOMEM;
5005 }
5006 data->maxwritelen = 2048;
5007 data->on_close = proc_config_on_close;
5008
5009 readConfigRid(ai, 1);
5010
5011 mode = ai->config.opmode & MODE_CFG_MASK;
5012 i = sprintf( data->rbuffer,
5013 "Mode: %s\n"
5014 "Radio: %s\n"
5015 "NodeName: %-16s\n"
5016 "PowerMode: %s\n"
5017 "DataRates: %d %d %d %d %d %d %d %d\n"
5018 "Channel: %d\n"
5019 "XmitPower: %d\n",
5020 mode == MODE_STA_IBSS ? "adhoc" :
5021 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5022 mode == MODE_AP ? "AP" :
5023 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5024 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5025 ai->config.nodeName,
5026 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5027 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5028 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5029 "Error",
5030 (int)ai->config.rates[0],
5031 (int)ai->config.rates[1],
5032 (int)ai->config.rates[2],
5033 (int)ai->config.rates[3],
5034 (int)ai->config.rates[4],
5035 (int)ai->config.rates[5],
5036 (int)ai->config.rates[6],
5037 (int)ai->config.rates[7],
5038 le16_to_cpu(ai->config.channelSet),
5039 le16_to_cpu(ai->config.txPower)
5040 );
5041 sprintf( data->rbuffer + i,
5042 "LongRetryLimit: %d\n"
5043 "ShortRetryLimit: %d\n"
5044 "RTSThreshold: %d\n"
5045 "TXMSDULifetime: %d\n"
5046 "RXMSDULifetime: %d\n"
5047 "TXDiversity: %s\n"
5048 "RXDiversity: %s\n"
5049 "FragThreshold: %d\n"
5050 "WEP: %s\n"
5051 "Modulation: %s\n"
5052 "Preamble: %s\n",
5053 le16_to_cpu(ai->config.longRetryLimit),
5054 le16_to_cpu(ai->config.shortRetryLimit),
5055 le16_to_cpu(ai->config.rtsThres),
5056 le16_to_cpu(ai->config.txLifetime),
5057 le16_to_cpu(ai->config.rxLifetime),
5058 ai->config.txDiversity == 1 ? "left" :
5059 ai->config.txDiversity == 2 ? "right" : "both",
5060 ai->config.rxDiversity == 1 ? "left" :
5061 ai->config.rxDiversity == 2 ? "right" : "both",
5062 le16_to_cpu(ai->config.fragThresh),
5063 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5064 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5065 ai->config.modulation == MOD_DEFAULT ? "default" :
5066 ai->config.modulation == MOD_CCK ? "cck" :
5067 ai->config.modulation == MOD_MOK ? "mok" : "error",
5068 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5069 ai->config.preamble == PREAMBLE_LONG ? "long" :
5070 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5071 );
5072 data->readlen = strlen( data->rbuffer );
5073 return 0;
5074 }
5075
5076 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5077 {
5078 struct proc_data *data = file->private_data;
5079 struct net_device *dev = PDE_DATA(inode);
5080 struct airo_info *ai = dev->ml_priv;
5081 SsidRid SSID_rid;
5082 int i;
5083 char *p = data->wbuffer;
5084 char *end = p + data->writelen;
5085
5086 if (!data->writelen)
5087 return;
5088
5089 *end = '\n'; /* sentinel; we have space for it */
5090
5091 memset(&SSID_rid, 0, sizeof(SSID_rid));
5092
5093 for (i = 0; i < 3 && p < end; i++) {
5094 int j = 0;
5095 /* copy up to 32 characters from this line */
5096 while (*p != '\n' && j < 32)
5097 SSID_rid.ssids[i].ssid[j++] = *p++;
5098 if (j == 0)
5099 break;
5100 SSID_rid.ssids[i].len = cpu_to_le16(j);
5101 /* skip to the beginning of the next line */
5102 while (*p++ != '\n')
5103 ;
5104 }
5105 if (i)
5106 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5107 disable_MAC(ai, 1);
5108 writeSsidRid(ai, &SSID_rid, 1);
5109 enable_MAC(ai, 1);
5110 }
5111
5112 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5113 struct proc_data *data = file->private_data;
5114 struct net_device *dev = PDE_DATA(inode);
5115 struct airo_info *ai = dev->ml_priv;
5116 APListRid APList_rid;
5117 int i;
5118
5119 if ( !data->writelen ) return;
5120
5121 memset( &APList_rid, 0, sizeof(APList_rid) );
5122 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5123
5124 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5125 int j;
5126 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5127 switch(j%3) {
5128 case 0:
5129 APList_rid.ap[i][j/3]=
5130 hex_to_bin(data->wbuffer[j+i*6*3])<<4;
5131 break;
5132 case 1:
5133 APList_rid.ap[i][j/3]|=
5134 hex_to_bin(data->wbuffer[j+i*6*3]);
5135 break;
5136 }
5137 }
5138 }
5139 disable_MAC(ai, 1);
5140 writeAPListRid(ai, &APList_rid, 1);
5141 enable_MAC(ai, 1);
5142 }
5143
5144 /* This function wraps PC4500_writerid with a MAC disable */
5145 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5146 int len, int dummy ) {
5147 int rc;
5148
5149 disable_MAC(ai, 1);
5150 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5151 enable_MAC(ai, 1);
5152 return rc;
5153 }
5154
5155 /* Returns the WEP key at the specified index, or -1 if that key does
5156 * not exist. The buffer is assumed to be at least 16 bytes in length.
5157 */
5158 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5159 {
5160 WepKeyRid wkr;
5161 int rc;
5162 __le16 lastindex;
5163
5164 rc = readWepKeyRid(ai, &wkr, 1, 1);
5165 if (rc != SUCCESS)
5166 return -1;
5167 do {
5168 lastindex = wkr.kindex;
5169 if (le16_to_cpu(wkr.kindex) == index) {
5170 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5171 memcpy(buf, wkr.key, klen);
5172 return klen;
5173 }
5174 rc = readWepKeyRid(ai, &wkr, 0, 1);
5175 if (rc != SUCCESS)
5176 return -1;
5177 } while (lastindex != wkr.kindex);
5178 return -1;
5179 }
5180
5181 static int get_wep_tx_idx(struct airo_info *ai)
5182 {
5183 WepKeyRid wkr;
5184 int rc;
5185 __le16 lastindex;
5186
5187 rc = readWepKeyRid(ai, &wkr, 1, 1);
5188 if (rc != SUCCESS)
5189 return -1;
5190 do {
5191 lastindex = wkr.kindex;
5192 if (wkr.kindex == cpu_to_le16(0xffff))
5193 return wkr.mac[0];
5194 rc = readWepKeyRid(ai, &wkr, 0, 1);
5195 if (rc != SUCCESS)
5196 return -1;
5197 } while (lastindex != wkr.kindex);
5198 return -1;
5199 }
5200
5201 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5202 u16 keylen, int perm, int lock)
5203 {
5204 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5205 WepKeyRid wkr;
5206 int rc;
5207
5208 if (WARN_ON(keylen == 0))
5209 return -1;
5210
5211 memset(&wkr, 0, sizeof(wkr));
5212 wkr.len = cpu_to_le16(sizeof(wkr));
5213 wkr.kindex = cpu_to_le16(index);
5214 wkr.klen = cpu_to_le16(keylen);
5215 memcpy(wkr.key, key, keylen);
5216 memcpy(wkr.mac, macaddr, ETH_ALEN);
5217
5218 if (perm) disable_MAC(ai, lock);
5219 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5220 if (perm) enable_MAC(ai, lock);
5221 return rc;
5222 }
5223
5224 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5225 {
5226 WepKeyRid wkr;
5227 int rc;
5228
5229 memset(&wkr, 0, sizeof(wkr));
5230 wkr.len = cpu_to_le16(sizeof(wkr));
5231 wkr.kindex = cpu_to_le16(0xffff);
5232 wkr.mac[0] = (char)index;
5233
5234 if (perm) {
5235 ai->defindex = (char)index;
5236 disable_MAC(ai, lock);
5237 }
5238
5239 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5240
5241 if (perm)
5242 enable_MAC(ai, lock);
5243 return rc;
5244 }
5245
5246 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5247 struct proc_data *data;
5248 struct net_device *dev = PDE_DATA(inode);
5249 struct airo_info *ai = dev->ml_priv;
5250 int i, rc;
5251 char key[16];
5252 u16 index = 0;
5253 int j = 0;
5254
5255 memset(key, 0, sizeof(key));
5256
5257 data = file->private_data;
5258 if ( !data->writelen ) return;
5259
5260 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5261 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5262 index = data->wbuffer[0] - '0';
5263 if (data->wbuffer[1] == '\n') {
5264 rc = set_wep_tx_idx(ai, index, 1, 1);
5265 if (rc < 0) {
5266 airo_print_err(ai->dev->name, "failed to set "
5267 "WEP transmit index to %d: %d.",
5268 index, rc);
5269 }
5270 return;
5271 }
5272 j = 2;
5273 } else {
5274 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5275 return;
5276 }
5277
5278 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5279 switch(i%3) {
5280 case 0:
5281 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
5282 break;
5283 case 1:
5284 key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
5285 break;
5286 }
5287 }
5288
5289 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5290 if (rc < 0) {
5291 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5292 "%d: %d.", index, rc);
5293 }
5294 }
5295
5296 static int proc_wepkey_open( struct inode *inode, struct file *file )
5297 {
5298 struct proc_data *data;
5299 struct net_device *dev = PDE_DATA(inode);
5300 struct airo_info *ai = dev->ml_priv;
5301 char *ptr;
5302 WepKeyRid wkr;
5303 __le16 lastindex;
5304 int j=0;
5305 int rc;
5306
5307 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5308 return -ENOMEM;
5309 memset(&wkr, 0, sizeof(wkr));
5310 data = file->private_data;
5311 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5312 kfree (file->private_data);
5313 return -ENOMEM;
5314 }
5315 data->writelen = 0;
5316 data->maxwritelen = 80;
5317 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5318 kfree (data->rbuffer);
5319 kfree (file->private_data);
5320 return -ENOMEM;
5321 }
5322 data->on_close = proc_wepkey_on_close;
5323
5324 ptr = data->rbuffer;
5325 strcpy(ptr, "No wep keys\n");
5326 rc = readWepKeyRid(ai, &wkr, 1, 1);
5327 if (rc == SUCCESS) do {
5328 lastindex = wkr.kindex;
5329 if (wkr.kindex == cpu_to_le16(0xffff)) {
5330 j += sprintf(ptr+j, "Tx key = %d\n",
5331 (int)wkr.mac[0]);
5332 } else {
5333 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5334 le16_to_cpu(wkr.kindex),
5335 le16_to_cpu(wkr.klen));
5336 }
5337 readWepKeyRid(ai, &wkr, 0, 1);
5338 } while((lastindex != wkr.kindex) && (j < 180-30));
5339
5340 data->readlen = strlen( data->rbuffer );
5341 return 0;
5342 }
5343
5344 static int proc_SSID_open(struct inode *inode, struct file *file)
5345 {
5346 struct proc_data *data;
5347 struct net_device *dev = PDE_DATA(inode);
5348 struct airo_info *ai = dev->ml_priv;
5349 int i;
5350 char *ptr;
5351 SsidRid SSID_rid;
5352
5353 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5354 return -ENOMEM;
5355 data = file->private_data;
5356 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5357 kfree (file->private_data);
5358 return -ENOMEM;
5359 }
5360 data->writelen = 0;
5361 data->maxwritelen = 33*3;
5362 /* allocate maxwritelen + 1; we'll want a sentinel */
5363 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5364 kfree (data->rbuffer);
5365 kfree (file->private_data);
5366 return -ENOMEM;
5367 }
5368 data->on_close = proc_SSID_on_close;
5369
5370 readSsidRid(ai, &SSID_rid);
5371 ptr = data->rbuffer;
5372 for (i = 0; i < 3; i++) {
5373 int j;
5374 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5375 if (!len)
5376 break;
5377 if (len > 32)
5378 len = 32;
5379 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5380 *ptr++ = SSID_rid.ssids[i].ssid[j];
5381 *ptr++ = '\n';
5382 }
5383 *ptr = '\0';
5384 data->readlen = strlen( data->rbuffer );
5385 return 0;
5386 }
5387
5388 static int proc_APList_open( struct inode *inode, struct file *file ) {
5389 struct proc_data *data;
5390 struct net_device *dev = PDE_DATA(inode);
5391 struct airo_info *ai = dev->ml_priv;
5392 int i;
5393 char *ptr;
5394 APListRid APList_rid;
5395
5396 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5397 return -ENOMEM;
5398 data = file->private_data;
5399 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5400 kfree (file->private_data);
5401 return -ENOMEM;
5402 }
5403 data->writelen = 0;
5404 data->maxwritelen = 4*6*3;
5405 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5406 kfree (data->rbuffer);
5407 kfree (file->private_data);
5408 return -ENOMEM;
5409 }
5410 data->on_close = proc_APList_on_close;
5411
5412 readAPListRid(ai, &APList_rid);
5413 ptr = data->rbuffer;
5414 for( i = 0; i < 4; i++ ) {
5415 // We end when we find a zero MAC
5416 if ( !*(int*)APList_rid.ap[i] &&
5417 !*(int*)&APList_rid.ap[i][2]) break;
5418 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5419 }
5420 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5421
5422 *ptr = '\0';
5423 data->readlen = strlen( data->rbuffer );
5424 return 0;
5425 }
5426
5427 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5428 struct proc_data *data;
5429 struct net_device *dev = PDE_DATA(inode);
5430 struct airo_info *ai = dev->ml_priv;
5431 char *ptr;
5432 BSSListRid BSSList_rid;
5433 int rc;
5434 /* If doLoseSync is not 1, we won't do a Lose Sync */
5435 int doLoseSync = -1;
5436
5437 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5438 return -ENOMEM;
5439 data = file->private_data;
5440 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5441 kfree (file->private_data);
5442 return -ENOMEM;
5443 }
5444 data->writelen = 0;
5445 data->maxwritelen = 0;
5446 data->wbuffer = NULL;
5447 data->on_close = NULL;
5448
5449 if (file->f_mode & FMODE_WRITE) {
5450 if (!(file->f_mode & FMODE_READ)) {
5451 Cmd cmd;
5452 Resp rsp;
5453
5454 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5455 memset(&cmd, 0, sizeof(cmd));
5456 cmd.cmd=CMD_LISTBSS;
5457 if (down_interruptible(&ai->sem))
5458 return -ERESTARTSYS;
5459 issuecommand(ai, &cmd, &rsp);
5460 up(&ai->sem);
5461 data->readlen = 0;
5462 return 0;
5463 }
5464 doLoseSync = 1;
5465 }
5466 ptr = data->rbuffer;
5467 /* There is a race condition here if there are concurrent opens.
5468 Since it is a rare condition, we'll just live with it, otherwise
5469 we have to add a spin lock... */
5470 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5471 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5472 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5473 BSSList_rid.bssid,
5474 (int)BSSList_rid.ssidLen,
5475 BSSList_rid.ssid,
5476 le16_to_cpu(BSSList_rid.dBm));
5477 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5478 le16_to_cpu(BSSList_rid.dsChannel),
5479 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5480 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5481 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5482 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5483 rc = readBSSListRid(ai, 0, &BSSList_rid);
5484 }
5485 *ptr = '\0';
5486 data->readlen = strlen( data->rbuffer );
5487 return 0;
5488 }
5489
5490 static int proc_close( struct inode *inode, struct file *file )
5491 {
5492 struct proc_data *data = file->private_data;
5493
5494 if (data->on_close != NULL)
5495 data->on_close(inode, file);
5496 kfree(data->rbuffer);
5497 kfree(data->wbuffer);
5498 kfree(data);
5499 return 0;
5500 }
5501
5502 /* Since the card doesn't automatically switch to the right WEP mode,
5503 we will make it do it. If the card isn't associated, every secs we
5504 will switch WEP modes to see if that will help. If the card is
5505 associated we will check every minute to see if anything has
5506 changed. */
5507 static void timer_func( struct net_device *dev ) {
5508 struct airo_info *apriv = dev->ml_priv;
5509
5510 /* We don't have a link so try changing the authtype */
5511 readConfigRid(apriv, 0);
5512 disable_MAC(apriv, 0);
5513 switch(apriv->config.authType) {
5514 case AUTH_ENCRYPT:
5515 /* So drop to OPEN */
5516 apriv->config.authType = AUTH_OPEN;
5517 break;
5518 case AUTH_SHAREDKEY:
5519 if (apriv->keyindex < auto_wep) {
5520 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5521 apriv->config.authType = AUTH_SHAREDKEY;
5522 apriv->keyindex++;
5523 } else {
5524 /* Drop to ENCRYPT */
5525 apriv->keyindex = 0;
5526 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5527 apriv->config.authType = AUTH_ENCRYPT;
5528 }
5529 break;
5530 default: /* We'll escalate to SHAREDKEY */
5531 apriv->config.authType = AUTH_SHAREDKEY;
5532 }
5533 set_bit (FLAG_COMMIT, &apriv->flags);
5534 writeConfigRid(apriv, 0);
5535 enable_MAC(apriv, 0);
5536 up(&apriv->sem);
5537
5538 /* Schedule check to see if the change worked */
5539 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5540 apriv->expires = RUN_AT(HZ*3);
5541 }
5542
5543 #ifdef CONFIG_PCI
5544 static int airo_pci_probe(struct pci_dev *pdev,
5545 const struct pci_device_id *pent)
5546 {
5547 struct net_device *dev;
5548
5549 if (pci_enable_device(pdev))
5550 return -ENODEV;
5551 pci_set_master(pdev);
5552
5553 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5554 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5555 else
5556 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5557 if (!dev) {
5558 pci_disable_device(pdev);
5559 return -ENODEV;
5560 }
5561
5562 pci_set_drvdata(pdev, dev);
5563 return 0;
5564 }
5565
5566 static void airo_pci_remove(struct pci_dev *pdev)
5567 {
5568 struct net_device *dev = pci_get_drvdata(pdev);
5569
5570 airo_print_info(dev->name, "Unregistering...");
5571 stop_airo_card(dev, 1);
5572 pci_disable_device(pdev);
5573 }
5574
5575 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5576 {
5577 struct net_device *dev = pci_get_drvdata(pdev);
5578 struct airo_info *ai = dev->ml_priv;
5579 Cmd cmd;
5580 Resp rsp;
5581
5582 if (!ai->APList)
5583 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5584 if (!ai->APList)
5585 return -ENOMEM;
5586 if (!ai->SSID)
5587 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5588 if (!ai->SSID)
5589 return -ENOMEM;
5590 readAPListRid(ai, ai->APList);
5591 readSsidRid(ai, ai->SSID);
5592 memset(&cmd, 0, sizeof(cmd));
5593 /* the lock will be released at the end of the resume callback */
5594 if (down_interruptible(&ai->sem))
5595 return -EAGAIN;
5596 disable_MAC(ai, 0);
5597 netif_device_detach(dev);
5598 ai->power = state;
5599 cmd.cmd = HOSTSLEEP;
5600 issuecommand(ai, &cmd, &rsp);
5601
5602 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5603 pci_save_state(pdev);
5604 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5605 return 0;
5606 }
5607
5608 static int airo_pci_resume(struct pci_dev *pdev)
5609 {
5610 struct net_device *dev = pci_get_drvdata(pdev);
5611 struct airo_info *ai = dev->ml_priv;
5612 pci_power_t prev_state = pdev->current_state;
5613
5614 pci_set_power_state(pdev, PCI_D0);
5615 pci_restore_state(pdev);
5616 pci_enable_wake(pdev, PCI_D0, 0);
5617
5618 if (prev_state != PCI_D1) {
5619 reset_card(dev, 0);
5620 mpi_init_descriptors(ai);
5621 setup_card(ai, dev->dev_addr, 0);
5622 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5623 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5624 } else {
5625 OUT4500(ai, EVACK, EV_AWAKEN);
5626 OUT4500(ai, EVACK, EV_AWAKEN);
5627 msleep(100);
5628 }
5629
5630 set_bit(FLAG_COMMIT, &ai->flags);
5631 disable_MAC(ai, 0);
5632 msleep(200);
5633 if (ai->SSID) {
5634 writeSsidRid(ai, ai->SSID, 0);
5635 kfree(ai->SSID);
5636 ai->SSID = NULL;
5637 }
5638 if (ai->APList) {
5639 writeAPListRid(ai, ai->APList, 0);
5640 kfree(ai->APList);
5641 ai->APList = NULL;
5642 }
5643 writeConfigRid(ai, 0);
5644 enable_MAC(ai, 0);
5645 ai->power = PMSG_ON;
5646 netif_device_attach(dev);
5647 netif_wake_queue(dev);
5648 enable_interrupts(ai);
5649 up(&ai->sem);
5650 return 0;
5651 }
5652 #endif
5653
5654 static int __init airo_init_module( void )
5655 {
5656 int i;
5657
5658 proc_kuid = make_kuid(&init_user_ns, proc_uid);
5659 proc_kgid = make_kgid(&init_user_ns, proc_gid);
5660 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
5661 return -EINVAL;
5662
5663 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
5664
5665 if (airo_entry)
5666 proc_set_user(airo_entry, proc_kuid, proc_kgid);
5667
5668 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5669 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5670 "io=0x%x", irq[i], io[i] );
5671 if (init_airo_card( irq[i], io[i], 0, NULL ))
5672 /* do nothing */ ;
5673 }
5674
5675 #ifdef CONFIG_PCI
5676 airo_print_info("", "Probing for PCI adapters");
5677 i = pci_register_driver(&airo_driver);
5678 airo_print_info("", "Finished probing for PCI adapters");
5679
5680 if (i) {
5681 remove_proc_entry("driver/aironet", NULL);
5682 return i;
5683 }
5684 #endif
5685
5686 /* Always exit with success, as we are a library module
5687 * as well as a driver module
5688 */
5689 return 0;
5690 }
5691
5692 static void __exit airo_cleanup_module( void )
5693 {
5694 struct airo_info *ai;
5695 while(!list_empty(&airo_devices)) {
5696 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5697 airo_print_info(ai->dev->name, "Unregistering...");
5698 stop_airo_card(ai->dev, 1);
5699 }
5700 #ifdef CONFIG_PCI
5701 pci_unregister_driver(&airo_driver);
5702 #endif
5703 remove_proc_entry("driver/aironet", NULL);
5704 }
5705
5706 /*
5707 * Initial Wireless Extension code for Aironet driver by :
5708 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5709 * Conversion to new driver API by :
5710 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5711 * Javier also did a good amount of work here, adding some new extensions
5712 * and fixing my code. Let's just say that without him this code just
5713 * would not work at all... - Jean II
5714 */
5715
5716 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5717 {
5718 if (!rssi_rid)
5719 return 0;
5720
5721 return (0x100 - rssi_rid[rssi].rssidBm);
5722 }
5723
5724 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5725 {
5726 int i;
5727
5728 if (!rssi_rid)
5729 return 0;
5730
5731 for (i = 0; i < 256; i++)
5732 if (rssi_rid[i].rssidBm == dbm)
5733 return rssi_rid[i].rssipct;
5734
5735 return 0;
5736 }
5737
5738
5739 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5740 {
5741 int quality = 0;
5742 u16 sq;
5743
5744 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5745 return 0;
5746
5747 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5748 return 0;
5749
5750 sq = le16_to_cpu(status_rid->signalQuality);
5751 if (memcmp(cap_rid->prodName, "350", 3))
5752 if (sq > 0x20)
5753 quality = 0;
5754 else
5755 quality = 0x20 - sq;
5756 else
5757 if (sq > 0xb0)
5758 quality = 0;
5759 else if (sq < 0x10)
5760 quality = 0xa0;
5761 else
5762 quality = 0xb0 - sq;
5763 return quality;
5764 }
5765
5766 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5767 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5768
5769 /*------------------------------------------------------------------*/
5770 /*
5771 * Wireless Handler : get protocol name
5772 */
5773 static int airo_get_name(struct net_device *dev,
5774 struct iw_request_info *info,
5775 char *cwrq,
5776 char *extra)
5777 {
5778 strcpy(cwrq, "IEEE 802.11-DS");
5779 return 0;
5780 }
5781
5782 /*------------------------------------------------------------------*/
5783 /*
5784 * Wireless Handler : set frequency
5785 */
5786 static int airo_set_freq(struct net_device *dev,
5787 struct iw_request_info *info,
5788 struct iw_freq *fwrq,
5789 char *extra)
5790 {
5791 struct airo_info *local = dev->ml_priv;
5792 int rc = -EINPROGRESS; /* Call commit handler */
5793
5794 /* If setting by frequency, convert to a channel */
5795 if(fwrq->e == 1) {
5796 int f = fwrq->m / 100000;
5797
5798 /* Hack to fall through... */
5799 fwrq->e = 0;
5800 fwrq->m = ieee80211_frequency_to_channel(f);
5801 }
5802 /* Setting by channel number */
5803 if((fwrq->m > 1000) || (fwrq->e > 0))
5804 rc = -EOPNOTSUPP;
5805 else {
5806 int channel = fwrq->m;
5807 /* We should do a better check than that,
5808 * based on the card capability !!! */
5809 if((channel < 1) || (channel > 14)) {
5810 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5811 fwrq->m);
5812 rc = -EINVAL;
5813 } else {
5814 readConfigRid(local, 1);
5815 /* Yes ! We can set it !!! */
5816 local->config.channelSet = cpu_to_le16(channel);
5817 set_bit (FLAG_COMMIT, &local->flags);
5818 }
5819 }
5820 return rc;
5821 }
5822
5823 /*------------------------------------------------------------------*/
5824 /*
5825 * Wireless Handler : get frequency
5826 */
5827 static int airo_get_freq(struct net_device *dev,
5828 struct iw_request_info *info,
5829 struct iw_freq *fwrq,
5830 char *extra)
5831 {
5832 struct airo_info *local = dev->ml_priv;
5833 StatusRid status_rid; /* Card status info */
5834 int ch;
5835
5836 readConfigRid(local, 1);
5837 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5838 status_rid.channel = local->config.channelSet;
5839 else
5840 readStatusRid(local, &status_rid, 1);
5841
5842 ch = le16_to_cpu(status_rid.channel);
5843 if((ch > 0) && (ch < 15)) {
5844 fwrq->m = 100000 *
5845 ieee80211_channel_to_frequency(ch, IEEE80211_BAND_2GHZ);
5846 fwrq->e = 1;
5847 } else {
5848 fwrq->m = ch;
5849 fwrq->e = 0;
5850 }
5851
5852 return 0;
5853 }
5854
5855 /*------------------------------------------------------------------*/
5856 /*
5857 * Wireless Handler : set ESSID
5858 */
5859 static int airo_set_essid(struct net_device *dev,
5860 struct iw_request_info *info,
5861 struct iw_point *dwrq,
5862 char *extra)
5863 {
5864 struct airo_info *local = dev->ml_priv;
5865 SsidRid SSID_rid; /* SSIDs */
5866
5867 /* Reload the list of current SSID */
5868 readSsidRid(local, &SSID_rid);
5869
5870 /* Check if we asked for `any' */
5871 if (dwrq->flags == 0) {
5872 /* Just send an empty SSID list */
5873 memset(&SSID_rid, 0, sizeof(SSID_rid));
5874 } else {
5875 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5876
5877 /* Check the size of the string */
5878 if (dwrq->length > IW_ESSID_MAX_SIZE)
5879 return -E2BIG ;
5880
5881 /* Check if index is valid */
5882 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5883 return -EINVAL;
5884
5885 /* Set the SSID */
5886 memset(SSID_rid.ssids[index].ssid, 0,
5887 sizeof(SSID_rid.ssids[index].ssid));
5888 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5889 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5890 }
5891 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5892 /* Write it to the card */
5893 disable_MAC(local, 1);
5894 writeSsidRid(local, &SSID_rid, 1);
5895 enable_MAC(local, 1);
5896
5897 return 0;
5898 }
5899
5900 /*------------------------------------------------------------------*/
5901 /*
5902 * Wireless Handler : get ESSID
5903 */
5904 static int airo_get_essid(struct net_device *dev,
5905 struct iw_request_info *info,
5906 struct iw_point *dwrq,
5907 char *extra)
5908 {
5909 struct airo_info *local = dev->ml_priv;
5910 StatusRid status_rid; /* Card status info */
5911
5912 readStatusRid(local, &status_rid, 1);
5913
5914 /* Note : if dwrq->flags != 0, we should
5915 * get the relevant SSID from the SSID list... */
5916
5917 /* Get the current SSID */
5918 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5919 /* If none, we may want to get the one that was set */
5920
5921 /* Push it out ! */
5922 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5923 dwrq->flags = 1; /* active */
5924
5925 return 0;
5926 }
5927
5928 /*------------------------------------------------------------------*/
5929 /*
5930 * Wireless Handler : set AP address
5931 */
5932 static int airo_set_wap(struct net_device *dev,
5933 struct iw_request_info *info,
5934 struct sockaddr *awrq,
5935 char *extra)
5936 {
5937 struct airo_info *local = dev->ml_priv;
5938 Cmd cmd;
5939 Resp rsp;
5940 APListRid APList_rid;
5941
5942 if (awrq->sa_family != ARPHRD_ETHER)
5943 return -EINVAL;
5944 else if (is_broadcast_ether_addr(awrq->sa_data) ||
5945 is_zero_ether_addr(awrq->sa_data)) {
5946 memset(&cmd, 0, sizeof(cmd));
5947 cmd.cmd=CMD_LOSE_SYNC;
5948 if (down_interruptible(&local->sem))
5949 return -ERESTARTSYS;
5950 issuecommand(local, &cmd, &rsp);
5951 up(&local->sem);
5952 } else {
5953 memset(&APList_rid, 0, sizeof(APList_rid));
5954 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5955 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5956 disable_MAC(local, 1);
5957 writeAPListRid(local, &APList_rid, 1);
5958 enable_MAC(local, 1);
5959 }
5960 return 0;
5961 }
5962
5963 /*------------------------------------------------------------------*/
5964 /*
5965 * Wireless Handler : get AP address
5966 */
5967 static int airo_get_wap(struct net_device *dev,
5968 struct iw_request_info *info,
5969 struct sockaddr *awrq,
5970 char *extra)
5971 {
5972 struct airo_info *local = dev->ml_priv;
5973 StatusRid status_rid; /* Card status info */
5974
5975 readStatusRid(local, &status_rid, 1);
5976
5977 /* Tentative. This seems to work, wow, I'm lucky !!! */
5978 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5979 awrq->sa_family = ARPHRD_ETHER;
5980
5981 return 0;
5982 }
5983
5984 /*------------------------------------------------------------------*/
5985 /*
5986 * Wireless Handler : set Nickname
5987 */
5988 static int airo_set_nick(struct net_device *dev,
5989 struct iw_request_info *info,
5990 struct iw_point *dwrq,
5991 char *extra)
5992 {
5993 struct airo_info *local = dev->ml_priv;
5994
5995 /* Check the size of the string */
5996 if(dwrq->length > 16) {
5997 return -E2BIG;
5998 }
5999 readConfigRid(local, 1);
6000 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6001 memcpy(local->config.nodeName, extra, dwrq->length);
6002 set_bit (FLAG_COMMIT, &local->flags);
6003
6004 return -EINPROGRESS; /* Call commit handler */
6005 }
6006
6007 /*------------------------------------------------------------------*/
6008 /*
6009 * Wireless Handler : get Nickname
6010 */
6011 static int airo_get_nick(struct net_device *dev,
6012 struct iw_request_info *info,
6013 struct iw_point *dwrq,
6014 char *extra)
6015 {
6016 struct airo_info *local = dev->ml_priv;
6017
6018 readConfigRid(local, 1);
6019 strncpy(extra, local->config.nodeName, 16);
6020 extra[16] = '\0';
6021 dwrq->length = strlen(extra);
6022
6023 return 0;
6024 }
6025
6026 /*------------------------------------------------------------------*/
6027 /*
6028 * Wireless Handler : set Bit-Rate
6029 */
6030 static int airo_set_rate(struct net_device *dev,
6031 struct iw_request_info *info,
6032 struct iw_param *vwrq,
6033 char *extra)
6034 {
6035 struct airo_info *local = dev->ml_priv;
6036 CapabilityRid cap_rid; /* Card capability info */
6037 u8 brate = 0;
6038 int i;
6039
6040 /* First : get a valid bit rate value */
6041 readCapabilityRid(local, &cap_rid, 1);
6042
6043 /* Which type of value ? */
6044 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6045 /* Setting by rate index */
6046 /* Find value in the magic rate table */
6047 brate = cap_rid.supportedRates[vwrq->value];
6048 } else {
6049 /* Setting by frequency value */
6050 u8 normvalue = (u8) (vwrq->value/500000);
6051
6052 /* Check if rate is valid */
6053 for(i = 0 ; i < 8 ; i++) {
6054 if(normvalue == cap_rid.supportedRates[i]) {
6055 brate = normvalue;
6056 break;
6057 }
6058 }
6059 }
6060 /* -1 designed the max rate (mostly auto mode) */
6061 if(vwrq->value == -1) {
6062 /* Get the highest available rate */
6063 for(i = 0 ; i < 8 ; i++) {
6064 if(cap_rid.supportedRates[i] == 0)
6065 break;
6066 }
6067 if(i != 0)
6068 brate = cap_rid.supportedRates[i - 1];
6069 }
6070 /* Check that it is valid */
6071 if(brate == 0) {
6072 return -EINVAL;
6073 }
6074
6075 readConfigRid(local, 1);
6076 /* Now, check if we want a fixed or auto value */
6077 if(vwrq->fixed == 0) {
6078 /* Fill all the rates up to this max rate */
6079 memset(local->config.rates, 0, 8);
6080 for(i = 0 ; i < 8 ; i++) {
6081 local->config.rates[i] = cap_rid.supportedRates[i];
6082 if(local->config.rates[i] == brate)
6083 break;
6084 }
6085 } else {
6086 /* Fixed mode */
6087 /* One rate, fixed */
6088 memset(local->config.rates, 0, 8);
6089 local->config.rates[0] = brate;
6090 }
6091 set_bit (FLAG_COMMIT, &local->flags);
6092
6093 return -EINPROGRESS; /* Call commit handler */
6094 }
6095
6096 /*------------------------------------------------------------------*/
6097 /*
6098 * Wireless Handler : get Bit-Rate
6099 */
6100 static int airo_get_rate(struct net_device *dev,
6101 struct iw_request_info *info,
6102 struct iw_param *vwrq,
6103 char *extra)
6104 {
6105 struct airo_info *local = dev->ml_priv;
6106 StatusRid status_rid; /* Card status info */
6107
6108 readStatusRid(local, &status_rid, 1);
6109
6110 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6111 /* If more than one rate, set auto */
6112 readConfigRid(local, 1);
6113 vwrq->fixed = (local->config.rates[1] == 0);
6114
6115 return 0;
6116 }
6117
6118 /*------------------------------------------------------------------*/
6119 /*
6120 * Wireless Handler : set RTS threshold
6121 */
6122 static int airo_set_rts(struct net_device *dev,
6123 struct iw_request_info *info,
6124 struct iw_param *vwrq,
6125 char *extra)
6126 {
6127 struct airo_info *local = dev->ml_priv;
6128 int rthr = vwrq->value;
6129
6130 if(vwrq->disabled)
6131 rthr = AIRO_DEF_MTU;
6132 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6133 return -EINVAL;
6134 }
6135 readConfigRid(local, 1);
6136 local->config.rtsThres = cpu_to_le16(rthr);
6137 set_bit (FLAG_COMMIT, &local->flags);
6138
6139 return -EINPROGRESS; /* Call commit handler */
6140 }
6141
6142 /*------------------------------------------------------------------*/
6143 /*
6144 * Wireless Handler : get RTS threshold
6145 */
6146 static int airo_get_rts(struct net_device *dev,
6147 struct iw_request_info *info,
6148 struct iw_param *vwrq,
6149 char *extra)
6150 {
6151 struct airo_info *local = dev->ml_priv;
6152
6153 readConfigRid(local, 1);
6154 vwrq->value = le16_to_cpu(local->config.rtsThres);
6155 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6156 vwrq->fixed = 1;
6157
6158 return 0;
6159 }
6160
6161 /*------------------------------------------------------------------*/
6162 /*
6163 * Wireless Handler : set Fragmentation threshold
6164 */
6165 static int airo_set_frag(struct net_device *dev,
6166 struct iw_request_info *info,
6167 struct iw_param *vwrq,
6168 char *extra)
6169 {
6170 struct airo_info *local = dev->ml_priv;
6171 int fthr = vwrq->value;
6172
6173 if(vwrq->disabled)
6174 fthr = AIRO_DEF_MTU;
6175 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6176 return -EINVAL;
6177 }
6178 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6179 readConfigRid(local, 1);
6180 local->config.fragThresh = cpu_to_le16(fthr);
6181 set_bit (FLAG_COMMIT, &local->flags);
6182
6183 return -EINPROGRESS; /* Call commit handler */
6184 }
6185
6186 /*------------------------------------------------------------------*/
6187 /*
6188 * Wireless Handler : get Fragmentation threshold
6189 */
6190 static int airo_get_frag(struct net_device *dev,
6191 struct iw_request_info *info,
6192 struct iw_param *vwrq,
6193 char *extra)
6194 {
6195 struct airo_info *local = dev->ml_priv;
6196
6197 readConfigRid(local, 1);
6198 vwrq->value = le16_to_cpu(local->config.fragThresh);
6199 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6200 vwrq->fixed = 1;
6201
6202 return 0;
6203 }
6204
6205 /*------------------------------------------------------------------*/
6206 /*
6207 * Wireless Handler : set Mode of Operation
6208 */
6209 static int airo_set_mode(struct net_device *dev,
6210 struct iw_request_info *info,
6211 __u32 *uwrq,
6212 char *extra)
6213 {
6214 struct airo_info *local = dev->ml_priv;
6215 int reset = 0;
6216
6217 readConfigRid(local, 1);
6218 if (sniffing_mode(local))
6219 reset = 1;
6220
6221 switch(*uwrq) {
6222 case IW_MODE_ADHOC:
6223 local->config.opmode &= ~MODE_CFG_MASK;
6224 local->config.opmode |= MODE_STA_IBSS;
6225 local->config.rmode &= ~RXMODE_FULL_MASK;
6226 local->config.scanMode = SCANMODE_ACTIVE;
6227 clear_bit (FLAG_802_11, &local->flags);
6228 break;
6229 case IW_MODE_INFRA:
6230 local->config.opmode &= ~MODE_CFG_MASK;
6231 local->config.opmode |= MODE_STA_ESS;
6232 local->config.rmode &= ~RXMODE_FULL_MASK;
6233 local->config.scanMode = SCANMODE_ACTIVE;
6234 clear_bit (FLAG_802_11, &local->flags);
6235 break;
6236 case IW_MODE_MASTER:
6237 local->config.opmode &= ~MODE_CFG_MASK;
6238 local->config.opmode |= MODE_AP;
6239 local->config.rmode &= ~RXMODE_FULL_MASK;
6240 local->config.scanMode = SCANMODE_ACTIVE;
6241 clear_bit (FLAG_802_11, &local->flags);
6242 break;
6243 case IW_MODE_REPEAT:
6244 local->config.opmode &= ~MODE_CFG_MASK;
6245 local->config.opmode |= MODE_AP_RPTR;
6246 local->config.rmode &= ~RXMODE_FULL_MASK;
6247 local->config.scanMode = SCANMODE_ACTIVE;
6248 clear_bit (FLAG_802_11, &local->flags);
6249 break;
6250 case IW_MODE_MONITOR:
6251 local->config.opmode &= ~MODE_CFG_MASK;
6252 local->config.opmode |= MODE_STA_ESS;
6253 local->config.rmode &= ~RXMODE_FULL_MASK;
6254 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6255 local->config.scanMode = SCANMODE_PASSIVE;
6256 set_bit (FLAG_802_11, &local->flags);
6257 break;
6258 default:
6259 return -EINVAL;
6260 }
6261 if (reset)
6262 set_bit (FLAG_RESET, &local->flags);
6263 set_bit (FLAG_COMMIT, &local->flags);
6264
6265 return -EINPROGRESS; /* Call commit handler */
6266 }
6267
6268 /*------------------------------------------------------------------*/
6269 /*
6270 * Wireless Handler : get Mode of Operation
6271 */
6272 static int airo_get_mode(struct net_device *dev,
6273 struct iw_request_info *info,
6274 __u32 *uwrq,
6275 char *extra)
6276 {
6277 struct airo_info *local = dev->ml_priv;
6278
6279 readConfigRid(local, 1);
6280 /* If not managed, assume it's ad-hoc */
6281 switch (local->config.opmode & MODE_CFG_MASK) {
6282 case MODE_STA_ESS:
6283 *uwrq = IW_MODE_INFRA;
6284 break;
6285 case MODE_AP:
6286 *uwrq = IW_MODE_MASTER;
6287 break;
6288 case MODE_AP_RPTR:
6289 *uwrq = IW_MODE_REPEAT;
6290 break;
6291 default:
6292 *uwrq = IW_MODE_ADHOC;
6293 }
6294
6295 return 0;
6296 }
6297
6298 static inline int valid_index(struct airo_info *ai, int index)
6299 {
6300 return (index >= 0) && (index <= ai->max_wep_idx);
6301 }
6302
6303 /*------------------------------------------------------------------*/
6304 /*
6305 * Wireless Handler : set Encryption Key
6306 */
6307 static int airo_set_encode(struct net_device *dev,
6308 struct iw_request_info *info,
6309 struct iw_point *dwrq,
6310 char *extra)
6311 {
6312 struct airo_info *local = dev->ml_priv;
6313 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6314 __le16 currentAuthType = local->config.authType;
6315 int rc = 0;
6316
6317 if (!local->wep_capable)
6318 return -EOPNOTSUPP;
6319
6320 readConfigRid(local, 1);
6321
6322 /* Basic checking: do we have a key to set ?
6323 * Note : with the new API, it's impossible to get a NULL pointer.
6324 * Therefore, we need to check a key size == 0 instead.
6325 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6326 * when no key is present (only change flags), but older versions
6327 * don't do it. - Jean II */
6328 if (dwrq->length > 0) {
6329 wep_key_t key;
6330 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6331 int current_index;
6332
6333 /* Check the size of the key */
6334 if (dwrq->length > MAX_KEY_SIZE) {
6335 return -EINVAL;
6336 }
6337
6338 current_index = get_wep_tx_idx(local);
6339 if (current_index < 0)
6340 current_index = 0;
6341
6342 /* Check the index (none -> use current) */
6343 if (!valid_index(local, index))
6344 index = current_index;
6345
6346 /* Set the length */
6347 if (dwrq->length > MIN_KEY_SIZE)
6348 key.len = MAX_KEY_SIZE;
6349 else
6350 key.len = MIN_KEY_SIZE;
6351 /* Check if the key is not marked as invalid */
6352 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6353 /* Cleanup */
6354 memset(key.key, 0, MAX_KEY_SIZE);
6355 /* Copy the key in the driver */
6356 memcpy(key.key, extra, dwrq->length);
6357 /* Send the key to the card */
6358 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6359 if (rc < 0) {
6360 airo_print_err(local->dev->name, "failed to set"
6361 " WEP key at index %d: %d.",
6362 index, rc);
6363 return rc;
6364 }
6365 }
6366 /* WE specify that if a valid key is set, encryption
6367 * should be enabled (user may turn it off later)
6368 * This is also how "iwconfig ethX key on" works */
6369 if((index == current_index) && (key.len > 0) &&
6370 (local->config.authType == AUTH_OPEN)) {
6371 local->config.authType = AUTH_ENCRYPT;
6372 }
6373 } else {
6374 /* Do we want to just set the transmit key index ? */
6375 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6376 if (valid_index(local, index)) {
6377 rc = set_wep_tx_idx(local, index, perm, 1);
6378 if (rc < 0) {
6379 airo_print_err(local->dev->name, "failed to set"
6380 " WEP transmit index to %d: %d.",
6381 index, rc);
6382 return rc;
6383 }
6384 } else {
6385 /* Don't complain if only change the mode */
6386 if (!(dwrq->flags & IW_ENCODE_MODE))
6387 return -EINVAL;
6388 }
6389 }
6390 /* Read the flags */
6391 if(dwrq->flags & IW_ENCODE_DISABLED)
6392 local->config.authType = AUTH_OPEN; // disable encryption
6393 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6394 local->config.authType = AUTH_SHAREDKEY; // Only Both
6395 if(dwrq->flags & IW_ENCODE_OPEN)
6396 local->config.authType = AUTH_ENCRYPT; // Only Wep
6397 /* Commit the changes to flags if needed */
6398 if (local->config.authType != currentAuthType)
6399 set_bit (FLAG_COMMIT, &local->flags);
6400 return -EINPROGRESS; /* Call commit handler */
6401 }
6402
6403 /*------------------------------------------------------------------*/
6404 /*
6405 * Wireless Handler : get Encryption Key
6406 */
6407 static int airo_get_encode(struct net_device *dev,
6408 struct iw_request_info *info,
6409 struct iw_point *dwrq,
6410 char *extra)
6411 {
6412 struct airo_info *local = dev->ml_priv;
6413 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6414 int wep_key_len;
6415 u8 buf[16];
6416
6417 if (!local->wep_capable)
6418 return -EOPNOTSUPP;
6419
6420 readConfigRid(local, 1);
6421
6422 /* Check encryption mode */
6423 switch(local->config.authType) {
6424 case AUTH_ENCRYPT:
6425 dwrq->flags = IW_ENCODE_OPEN;
6426 break;
6427 case AUTH_SHAREDKEY:
6428 dwrq->flags = IW_ENCODE_RESTRICTED;
6429 break;
6430 default:
6431 case AUTH_OPEN:
6432 dwrq->flags = IW_ENCODE_DISABLED;
6433 break;
6434 }
6435 /* We can't return the key, so set the proper flag and return zero */
6436 dwrq->flags |= IW_ENCODE_NOKEY;
6437 memset(extra, 0, 16);
6438
6439 /* Which key do we want ? -1 -> tx index */
6440 if (!valid_index(local, index)) {
6441 index = get_wep_tx_idx(local);
6442 if (index < 0)
6443 index = 0;
6444 }
6445 dwrq->flags |= index + 1;
6446
6447 /* Copy the key to the user buffer */
6448 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6449 if (wep_key_len < 0) {
6450 dwrq->length = 0;
6451 } else {
6452 dwrq->length = wep_key_len;
6453 memcpy(extra, buf, dwrq->length);
6454 }
6455
6456 return 0;
6457 }
6458
6459 /*------------------------------------------------------------------*/
6460 /*
6461 * Wireless Handler : set extended Encryption parameters
6462 */
6463 static int airo_set_encodeext(struct net_device *dev,
6464 struct iw_request_info *info,
6465 union iwreq_data *wrqu,
6466 char *extra)
6467 {
6468 struct airo_info *local = dev->ml_priv;
6469 struct iw_point *encoding = &wrqu->encoding;
6470 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6471 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6472 __le16 currentAuthType = local->config.authType;
6473 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6474 wep_key_t key;
6475
6476 if (!local->wep_capable)
6477 return -EOPNOTSUPP;
6478
6479 readConfigRid(local, 1);
6480
6481 /* Determine and validate the key index */
6482 idx = encoding->flags & IW_ENCODE_INDEX;
6483 if (idx) {
6484 if (!valid_index(local, idx - 1))
6485 return -EINVAL;
6486 idx--;
6487 } else {
6488 idx = get_wep_tx_idx(local);
6489 if (idx < 0)
6490 idx = 0;
6491 }
6492
6493 if (encoding->flags & IW_ENCODE_DISABLED)
6494 alg = IW_ENCODE_ALG_NONE;
6495
6496 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6497 /* Only set transmit key index here, actual
6498 * key is set below if needed.
6499 */
6500 rc = set_wep_tx_idx(local, idx, perm, 1);
6501 if (rc < 0) {
6502 airo_print_err(local->dev->name, "failed to set "
6503 "WEP transmit index to %d: %d.",
6504 idx, rc);
6505 return rc;
6506 }
6507 set_key = ext->key_len > 0 ? 1 : 0;
6508 }
6509
6510 if (set_key) {
6511 /* Set the requested key first */
6512 memset(key.key, 0, MAX_KEY_SIZE);
6513 switch (alg) {
6514 case IW_ENCODE_ALG_NONE:
6515 key.len = 0;
6516 break;
6517 case IW_ENCODE_ALG_WEP:
6518 if (ext->key_len > MIN_KEY_SIZE) {
6519 key.len = MAX_KEY_SIZE;
6520 } else if (ext->key_len > 0) {
6521 key.len = MIN_KEY_SIZE;
6522 } else {
6523 return -EINVAL;
6524 }
6525 key_len = min (ext->key_len, key.len);
6526 memcpy(key.key, ext->key, key_len);
6527 break;
6528 default:
6529 return -EINVAL;
6530 }
6531 if (key.len == 0) {
6532 rc = set_wep_tx_idx(local, idx, perm, 1);
6533 if (rc < 0) {
6534 airo_print_err(local->dev->name,
6535 "failed to set WEP transmit index to %d: %d.",
6536 idx, rc);
6537 return rc;
6538 }
6539 } else {
6540 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6541 if (rc < 0) {
6542 airo_print_err(local->dev->name,
6543 "failed to set WEP key at index %d: %d.",
6544 idx, rc);
6545 return rc;
6546 }
6547 }
6548 }
6549
6550 /* Read the flags */
6551 if(encoding->flags & IW_ENCODE_DISABLED)
6552 local->config.authType = AUTH_OPEN; // disable encryption
6553 if(encoding->flags & IW_ENCODE_RESTRICTED)
6554 local->config.authType = AUTH_SHAREDKEY; // Only Both
6555 if(encoding->flags & IW_ENCODE_OPEN)
6556 local->config.authType = AUTH_ENCRYPT; // Only Wep
6557 /* Commit the changes to flags if needed */
6558 if (local->config.authType != currentAuthType)
6559 set_bit (FLAG_COMMIT, &local->flags);
6560
6561 return -EINPROGRESS;
6562 }
6563
6564
6565 /*------------------------------------------------------------------*/
6566 /*
6567 * Wireless Handler : get extended Encryption parameters
6568 */
6569 static int airo_get_encodeext(struct net_device *dev,
6570 struct iw_request_info *info,
6571 union iwreq_data *wrqu,
6572 char *extra)
6573 {
6574 struct airo_info *local = dev->ml_priv;
6575 struct iw_point *encoding = &wrqu->encoding;
6576 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6577 int idx, max_key_len, wep_key_len;
6578 u8 buf[16];
6579
6580 if (!local->wep_capable)
6581 return -EOPNOTSUPP;
6582
6583 readConfigRid(local, 1);
6584
6585 max_key_len = encoding->length - sizeof(*ext);
6586 if (max_key_len < 0)
6587 return -EINVAL;
6588
6589 idx = encoding->flags & IW_ENCODE_INDEX;
6590 if (idx) {
6591 if (!valid_index(local, idx - 1))
6592 return -EINVAL;
6593 idx--;
6594 } else {
6595 idx = get_wep_tx_idx(local);
6596 if (idx < 0)
6597 idx = 0;
6598 }
6599
6600 encoding->flags = idx + 1;
6601 memset(ext, 0, sizeof(*ext));
6602
6603 /* Check encryption mode */
6604 switch(local->config.authType) {
6605 case AUTH_ENCRYPT:
6606 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6607 break;
6608 case AUTH_SHAREDKEY:
6609 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6610 break;
6611 default:
6612 case AUTH_OPEN:
6613 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6614 break;
6615 }
6616 /* We can't return the key, so set the proper flag and return zero */
6617 encoding->flags |= IW_ENCODE_NOKEY;
6618 memset(extra, 0, 16);
6619
6620 /* Copy the key to the user buffer */
6621 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6622 if (wep_key_len < 0) {
6623 ext->key_len = 0;
6624 } else {
6625 ext->key_len = wep_key_len;
6626 memcpy(extra, buf, ext->key_len);
6627 }
6628
6629 return 0;
6630 }
6631
6632
6633 /*------------------------------------------------------------------*/
6634 /*
6635 * Wireless Handler : set extended authentication parameters
6636 */
6637 static int airo_set_auth(struct net_device *dev,
6638 struct iw_request_info *info,
6639 union iwreq_data *wrqu, char *extra)
6640 {
6641 struct airo_info *local = dev->ml_priv;
6642 struct iw_param *param = &wrqu->param;
6643 __le16 currentAuthType = local->config.authType;
6644
6645 switch (param->flags & IW_AUTH_INDEX) {
6646 case IW_AUTH_WPA_VERSION:
6647 case IW_AUTH_CIPHER_PAIRWISE:
6648 case IW_AUTH_CIPHER_GROUP:
6649 case IW_AUTH_KEY_MGMT:
6650 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6651 case IW_AUTH_PRIVACY_INVOKED:
6652 /*
6653 * airo does not use these parameters
6654 */
6655 break;
6656
6657 case IW_AUTH_DROP_UNENCRYPTED:
6658 if (param->value) {
6659 /* Only change auth type if unencrypted */
6660 if (currentAuthType == AUTH_OPEN)
6661 local->config.authType = AUTH_ENCRYPT;
6662 } else {
6663 local->config.authType = AUTH_OPEN;
6664 }
6665
6666 /* Commit the changes to flags if needed */
6667 if (local->config.authType != currentAuthType)
6668 set_bit (FLAG_COMMIT, &local->flags);
6669 break;
6670
6671 case IW_AUTH_80211_AUTH_ALG: {
6672 /* FIXME: What about AUTH_OPEN? This API seems to
6673 * disallow setting our auth to AUTH_OPEN.
6674 */
6675 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6676 local->config.authType = AUTH_SHAREDKEY;
6677 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6678 local->config.authType = AUTH_ENCRYPT;
6679 } else
6680 return -EINVAL;
6681
6682 /* Commit the changes to flags if needed */
6683 if (local->config.authType != currentAuthType)
6684 set_bit (FLAG_COMMIT, &local->flags);
6685 break;
6686 }
6687
6688 case IW_AUTH_WPA_ENABLED:
6689 /* Silently accept disable of WPA */
6690 if (param->value > 0)
6691 return -EOPNOTSUPP;
6692 break;
6693
6694 default:
6695 return -EOPNOTSUPP;
6696 }
6697 return -EINPROGRESS;
6698 }
6699
6700
6701 /*------------------------------------------------------------------*/
6702 /*
6703 * Wireless Handler : get extended authentication parameters
6704 */
6705 static int airo_get_auth(struct net_device *dev,
6706 struct iw_request_info *info,
6707 union iwreq_data *wrqu, char *extra)
6708 {
6709 struct airo_info *local = dev->ml_priv;
6710 struct iw_param *param = &wrqu->param;
6711 __le16 currentAuthType = local->config.authType;
6712
6713 switch (param->flags & IW_AUTH_INDEX) {
6714 case IW_AUTH_DROP_UNENCRYPTED:
6715 switch (currentAuthType) {
6716 case AUTH_SHAREDKEY:
6717 case AUTH_ENCRYPT:
6718 param->value = 1;
6719 break;
6720 default:
6721 param->value = 0;
6722 break;
6723 }
6724 break;
6725
6726 case IW_AUTH_80211_AUTH_ALG:
6727 switch (currentAuthType) {
6728 case AUTH_SHAREDKEY:
6729 param->value = IW_AUTH_ALG_SHARED_KEY;
6730 break;
6731 case AUTH_ENCRYPT:
6732 default:
6733 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6734 break;
6735 }
6736 break;
6737
6738 case IW_AUTH_WPA_ENABLED:
6739 param->value = 0;
6740 break;
6741
6742 default:
6743 return -EOPNOTSUPP;
6744 }
6745 return 0;
6746 }
6747
6748
6749 /*------------------------------------------------------------------*/
6750 /*
6751 * Wireless Handler : set Tx-Power
6752 */
6753 static int airo_set_txpow(struct net_device *dev,
6754 struct iw_request_info *info,
6755 struct iw_param *vwrq,
6756 char *extra)
6757 {
6758 struct airo_info *local = dev->ml_priv;
6759 CapabilityRid cap_rid; /* Card capability info */
6760 int i;
6761 int rc = -EINVAL;
6762 __le16 v = cpu_to_le16(vwrq->value);
6763
6764 readCapabilityRid(local, &cap_rid, 1);
6765
6766 if (vwrq->disabled) {
6767 set_bit (FLAG_RADIO_OFF, &local->flags);
6768 set_bit (FLAG_COMMIT, &local->flags);
6769 return -EINPROGRESS; /* Call commit handler */
6770 }
6771 if (vwrq->flags != IW_TXPOW_MWATT) {
6772 return -EINVAL;
6773 }
6774 clear_bit (FLAG_RADIO_OFF, &local->flags);
6775 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6776 if (v == cap_rid.txPowerLevels[i]) {
6777 readConfigRid(local, 1);
6778 local->config.txPower = v;
6779 set_bit (FLAG_COMMIT, &local->flags);
6780 rc = -EINPROGRESS; /* Call commit handler */
6781 break;
6782 }
6783 return rc;
6784 }
6785
6786 /*------------------------------------------------------------------*/
6787 /*
6788 * Wireless Handler : get Tx-Power
6789 */
6790 static int airo_get_txpow(struct net_device *dev,
6791 struct iw_request_info *info,
6792 struct iw_param *vwrq,
6793 char *extra)
6794 {
6795 struct airo_info *local = dev->ml_priv;
6796
6797 readConfigRid(local, 1);
6798 vwrq->value = le16_to_cpu(local->config.txPower);
6799 vwrq->fixed = 1; /* No power control */
6800 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6801 vwrq->flags = IW_TXPOW_MWATT;
6802
6803 return 0;
6804 }
6805
6806 /*------------------------------------------------------------------*/
6807 /*
6808 * Wireless Handler : set Retry limits
6809 */
6810 static int airo_set_retry(struct net_device *dev,
6811 struct iw_request_info *info,
6812 struct iw_param *vwrq,
6813 char *extra)
6814 {
6815 struct airo_info *local = dev->ml_priv;
6816 int rc = -EINVAL;
6817
6818 if(vwrq->disabled) {
6819 return -EINVAL;
6820 }
6821 readConfigRid(local, 1);
6822 if(vwrq->flags & IW_RETRY_LIMIT) {
6823 __le16 v = cpu_to_le16(vwrq->value);
6824 if(vwrq->flags & IW_RETRY_LONG)
6825 local->config.longRetryLimit = v;
6826 else if (vwrq->flags & IW_RETRY_SHORT)
6827 local->config.shortRetryLimit = v;
6828 else {
6829 /* No modifier : set both */
6830 local->config.longRetryLimit = v;
6831 local->config.shortRetryLimit = v;
6832 }
6833 set_bit (FLAG_COMMIT, &local->flags);
6834 rc = -EINPROGRESS; /* Call commit handler */
6835 }
6836 if(vwrq->flags & IW_RETRY_LIFETIME) {
6837 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6840 }
6841 return rc;
6842 }
6843
6844 /*------------------------------------------------------------------*/
6845 /*
6846 * Wireless Handler : get Retry limits
6847 */
6848 static int airo_get_retry(struct net_device *dev,
6849 struct iw_request_info *info,
6850 struct iw_param *vwrq,
6851 char *extra)
6852 {
6853 struct airo_info *local = dev->ml_priv;
6854
6855 vwrq->disabled = 0; /* Can't be disabled */
6856
6857 readConfigRid(local, 1);
6858 /* Note : by default, display the min retry number */
6859 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6860 vwrq->flags = IW_RETRY_LIFETIME;
6861 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6862 } else if((vwrq->flags & IW_RETRY_LONG)) {
6863 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6864 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6865 } else {
6866 vwrq->flags = IW_RETRY_LIMIT;
6867 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6868 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6869 vwrq->flags |= IW_RETRY_SHORT;
6870 }
6871
6872 return 0;
6873 }
6874
6875 /*------------------------------------------------------------------*/
6876 /*
6877 * Wireless Handler : get range info
6878 */
6879 static int airo_get_range(struct net_device *dev,
6880 struct iw_request_info *info,
6881 struct iw_point *dwrq,
6882 char *extra)
6883 {
6884 struct airo_info *local = dev->ml_priv;
6885 struct iw_range *range = (struct iw_range *) extra;
6886 CapabilityRid cap_rid; /* Card capability info */
6887 int i;
6888 int k;
6889
6890 readCapabilityRid(local, &cap_rid, 1);
6891
6892 dwrq->length = sizeof(struct iw_range);
6893 memset(range, 0, sizeof(*range));
6894 range->min_nwid = 0x0000;
6895 range->max_nwid = 0x0000;
6896 range->num_channels = 14;
6897 /* Should be based on cap_rid.country to give only
6898 * what the current card support */
6899 k = 0;
6900 for(i = 0; i < 14; i++) {
6901 range->freq[k].i = i + 1; /* List index */
6902 range->freq[k].m = 100000 *
6903 ieee80211_channel_to_frequency(i + 1, IEEE80211_BAND_2GHZ);
6904 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6905 }
6906 range->num_frequency = k;
6907
6908 range->sensitivity = 65535;
6909
6910 /* Hum... Should put the right values there */
6911 if (local->rssi)
6912 range->max_qual.qual = 100; /* % */
6913 else
6914 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6915 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6916 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6917
6918 /* Experimental measurements - boundary 11/5.5 Mb/s */
6919 /* Note : with or without the (local->rssi), results
6920 * are somewhat different. - Jean II */
6921 if (local->rssi) {
6922 range->avg_qual.qual = 50; /* % */
6923 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6924 } else {
6925 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6926 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6927 }
6928 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6929
6930 for(i = 0 ; i < 8 ; i++) {
6931 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6932 if(range->bitrate[i] == 0)
6933 break;
6934 }
6935 range->num_bitrates = i;
6936
6937 /* Set an indication of the max TCP throughput
6938 * in bit/s that we can expect using this interface.
6939 * May be use for QoS stuff... Jean II */
6940 if(i > 2)
6941 range->throughput = 5000 * 1000;
6942 else
6943 range->throughput = 1500 * 1000;
6944
6945 range->min_rts = 0;
6946 range->max_rts = AIRO_DEF_MTU;
6947 range->min_frag = 256;
6948 range->max_frag = AIRO_DEF_MTU;
6949
6950 if(cap_rid.softCap & cpu_to_le16(2)) {
6951 // WEP: RC4 40 bits
6952 range->encoding_size[0] = 5;
6953 // RC4 ~128 bits
6954 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6955 range->encoding_size[1] = 13;
6956 range->num_encoding_sizes = 2;
6957 } else
6958 range->num_encoding_sizes = 1;
6959 range->max_encoding_tokens =
6960 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6961 } else {
6962 range->num_encoding_sizes = 0;
6963 range->max_encoding_tokens = 0;
6964 }
6965 range->min_pmp = 0;
6966 range->max_pmp = 5000000; /* 5 secs */
6967 range->min_pmt = 0;
6968 range->max_pmt = 65535 * 1024; /* ??? */
6969 range->pmp_flags = IW_POWER_PERIOD;
6970 range->pmt_flags = IW_POWER_TIMEOUT;
6971 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6972
6973 /* Transmit Power - values are in mW */
6974 for(i = 0 ; i < 8 ; i++) {
6975 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6976 if(range->txpower[i] == 0)
6977 break;
6978 }
6979 range->num_txpower = i;
6980 range->txpower_capa = IW_TXPOW_MWATT;
6981 range->we_version_source = 19;
6982 range->we_version_compiled = WIRELESS_EXT;
6983 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6984 range->retry_flags = IW_RETRY_LIMIT;
6985 range->r_time_flags = IW_RETRY_LIFETIME;
6986 range->min_retry = 1;
6987 range->max_retry = 65535;
6988 range->min_r_time = 1024;
6989 range->max_r_time = 65535 * 1024;
6990
6991 /* Event capability (kernel + driver) */
6992 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6993 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6994 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6995 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6996 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6997 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6998 return 0;
6999 }
7000
7001 /*------------------------------------------------------------------*/
7002 /*
7003 * Wireless Handler : set Power Management
7004 */
7005 static int airo_set_power(struct net_device *dev,
7006 struct iw_request_info *info,
7007 struct iw_param *vwrq,
7008 char *extra)
7009 {
7010 struct airo_info *local = dev->ml_priv;
7011
7012 readConfigRid(local, 1);
7013 if (vwrq->disabled) {
7014 if (sniffing_mode(local))
7015 return -EINVAL;
7016 local->config.powerSaveMode = POWERSAVE_CAM;
7017 local->config.rmode &= ~RXMODE_MASK;
7018 local->config.rmode |= RXMODE_BC_MC_ADDR;
7019 set_bit (FLAG_COMMIT, &local->flags);
7020 return -EINPROGRESS; /* Call commit handler */
7021 }
7022 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7023 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7024 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7025 set_bit (FLAG_COMMIT, &local->flags);
7026 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7027 local->config.fastListenInterval =
7028 local->config.listenInterval =
7029 cpu_to_le16((vwrq->value + 500) / 1024);
7030 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7031 set_bit (FLAG_COMMIT, &local->flags);
7032 }
7033 switch (vwrq->flags & IW_POWER_MODE) {
7034 case IW_POWER_UNICAST_R:
7035 if (sniffing_mode(local))
7036 return -EINVAL;
7037 local->config.rmode &= ~RXMODE_MASK;
7038 local->config.rmode |= RXMODE_ADDR;
7039 set_bit (FLAG_COMMIT, &local->flags);
7040 break;
7041 case IW_POWER_ALL_R:
7042 if (sniffing_mode(local))
7043 return -EINVAL;
7044 local->config.rmode &= ~RXMODE_MASK;
7045 local->config.rmode |= RXMODE_BC_MC_ADDR;
7046 set_bit (FLAG_COMMIT, &local->flags);
7047 case IW_POWER_ON:
7048 /* This is broken, fixme ;-) */
7049 break;
7050 default:
7051 return -EINVAL;
7052 }
7053 // Note : we may want to factor local->need_commit here
7054 // Note2 : may also want to factor RXMODE_RFMON test
7055 return -EINPROGRESS; /* Call commit handler */
7056 }
7057
7058 /*------------------------------------------------------------------*/
7059 /*
7060 * Wireless Handler : get Power Management
7061 */
7062 static int airo_get_power(struct net_device *dev,
7063 struct iw_request_info *info,
7064 struct iw_param *vwrq,
7065 char *extra)
7066 {
7067 struct airo_info *local = dev->ml_priv;
7068 __le16 mode;
7069
7070 readConfigRid(local, 1);
7071 mode = local->config.powerSaveMode;
7072 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7073 return 0;
7074 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7075 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7076 vwrq->flags = IW_POWER_TIMEOUT;
7077 } else {
7078 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7079 vwrq->flags = IW_POWER_PERIOD;
7080 }
7081 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7082 vwrq->flags |= IW_POWER_UNICAST_R;
7083 else
7084 vwrq->flags |= IW_POWER_ALL_R;
7085
7086 return 0;
7087 }
7088
7089 /*------------------------------------------------------------------*/
7090 /*
7091 * Wireless Handler : set Sensitivity
7092 */
7093 static int airo_set_sens(struct net_device *dev,
7094 struct iw_request_info *info,
7095 struct iw_param *vwrq,
7096 char *extra)
7097 {
7098 struct airo_info *local = dev->ml_priv;
7099
7100 readConfigRid(local, 1);
7101 local->config.rssiThreshold =
7102 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7103 set_bit (FLAG_COMMIT, &local->flags);
7104
7105 return -EINPROGRESS; /* Call commit handler */
7106 }
7107
7108 /*------------------------------------------------------------------*/
7109 /*
7110 * Wireless Handler : get Sensitivity
7111 */
7112 static int airo_get_sens(struct net_device *dev,
7113 struct iw_request_info *info,
7114 struct iw_param *vwrq,
7115 char *extra)
7116 {
7117 struct airo_info *local = dev->ml_priv;
7118
7119 readConfigRid(local, 1);
7120 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7121 vwrq->disabled = (vwrq->value == 0);
7122 vwrq->fixed = 1;
7123
7124 return 0;
7125 }
7126
7127 /*------------------------------------------------------------------*/
7128 /*
7129 * Wireless Handler : get AP List
7130 * Note : this is deprecated in favor of IWSCAN
7131 */
7132 static int airo_get_aplist(struct net_device *dev,
7133 struct iw_request_info *info,
7134 struct iw_point *dwrq,
7135 char *extra)
7136 {
7137 struct airo_info *local = dev->ml_priv;
7138 struct sockaddr *address = (struct sockaddr *) extra;
7139 struct iw_quality *qual;
7140 BSSListRid BSSList;
7141 int i;
7142 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7143
7144 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7145 if (!qual)
7146 return -ENOMEM;
7147
7148 for (i = 0; i < IW_MAX_AP; i++) {
7149 u16 dBm;
7150 if (readBSSListRid(local, loseSync, &BSSList))
7151 break;
7152 loseSync = 0;
7153 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7154 address[i].sa_family = ARPHRD_ETHER;
7155 dBm = le16_to_cpu(BSSList.dBm);
7156 if (local->rssi) {
7157 qual[i].level = 0x100 - dBm;
7158 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7159 qual[i].updated = IW_QUAL_QUAL_UPDATED
7160 | IW_QUAL_LEVEL_UPDATED
7161 | IW_QUAL_DBM;
7162 } else {
7163 qual[i].level = (dBm + 321) / 2;
7164 qual[i].qual = 0;
7165 qual[i].updated = IW_QUAL_QUAL_INVALID
7166 | IW_QUAL_LEVEL_UPDATED
7167 | IW_QUAL_DBM;
7168 }
7169 qual[i].noise = local->wstats.qual.noise;
7170 if (BSSList.index == cpu_to_le16(0xffff))
7171 break;
7172 }
7173 if (!i) {
7174 StatusRid status_rid; /* Card status info */
7175 readStatusRid(local, &status_rid, 1);
7176 for (i = 0;
7177 i < min(IW_MAX_AP, 4) &&
7178 (status_rid.bssid[i][0]
7179 & status_rid.bssid[i][1]
7180 & status_rid.bssid[i][2]
7181 & status_rid.bssid[i][3]
7182 & status_rid.bssid[i][4]
7183 & status_rid.bssid[i][5])!=0xff &&
7184 (status_rid.bssid[i][0]
7185 | status_rid.bssid[i][1]
7186 | status_rid.bssid[i][2]
7187 | status_rid.bssid[i][3]
7188 | status_rid.bssid[i][4]
7189 | status_rid.bssid[i][5]);
7190 i++) {
7191 memcpy(address[i].sa_data,
7192 status_rid.bssid[i], ETH_ALEN);
7193 address[i].sa_family = ARPHRD_ETHER;
7194 }
7195 } else {
7196 dwrq->flags = 1; /* Should be define'd */
7197 memcpy(extra + sizeof(struct sockaddr) * i, qual,
7198 sizeof(struct iw_quality) * i);
7199 }
7200 dwrq->length = i;
7201
7202 kfree(qual);
7203 return 0;
7204 }
7205
7206 /*------------------------------------------------------------------*/
7207 /*
7208 * Wireless Handler : Initiate Scan
7209 */
7210 static int airo_set_scan(struct net_device *dev,
7211 struct iw_request_info *info,
7212 struct iw_point *dwrq,
7213 char *extra)
7214 {
7215 struct airo_info *ai = dev->ml_priv;
7216 Cmd cmd;
7217 Resp rsp;
7218 int wake = 0;
7219
7220 /* Note : you may have realised that, as this is a SET operation,
7221 * this is privileged and therefore a normal user can't
7222 * perform scanning.
7223 * This is not an error, while the device perform scanning,
7224 * traffic doesn't flow, so it's a perfect DoS...
7225 * Jean II */
7226 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7227
7228 if (down_interruptible(&ai->sem))
7229 return -ERESTARTSYS;
7230
7231 /* If there's already a scan in progress, don't
7232 * trigger another one. */
7233 if (ai->scan_timeout > 0)
7234 goto out;
7235
7236 /* Initiate a scan command */
7237 ai->scan_timeout = RUN_AT(3*HZ);
7238 memset(&cmd, 0, sizeof(cmd));
7239 cmd.cmd=CMD_LISTBSS;
7240 issuecommand(ai, &cmd, &rsp);
7241 wake = 1;
7242
7243 out:
7244 up(&ai->sem);
7245 if (wake)
7246 wake_up_interruptible(&ai->thr_wait);
7247 return 0;
7248 }
7249
7250 /*------------------------------------------------------------------*/
7251 /*
7252 * Translate scan data returned from the card to a card independent
7253 * format that the Wireless Tools will understand - Jean II
7254 */
7255 static inline char *airo_translate_scan(struct net_device *dev,
7256 struct iw_request_info *info,
7257 char *current_ev,
7258 char *end_buf,
7259 BSSListRid *bss)
7260 {
7261 struct airo_info *ai = dev->ml_priv;
7262 struct iw_event iwe; /* Temporary buffer */
7263 __le16 capabilities;
7264 char * current_val; /* For rates */
7265 int i;
7266 char * buf;
7267 u16 dBm;
7268
7269 /* First entry *MUST* be the AP MAC address */
7270 iwe.cmd = SIOCGIWAP;
7271 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7272 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7273 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7274 &iwe, IW_EV_ADDR_LEN);
7275
7276 /* Other entries will be displayed in the order we give them */
7277
7278 /* Add the ESSID */
7279 iwe.u.data.length = bss->ssidLen;
7280 if(iwe.u.data.length > 32)
7281 iwe.u.data.length = 32;
7282 iwe.cmd = SIOCGIWESSID;
7283 iwe.u.data.flags = 1;
7284 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7285 &iwe, bss->ssid);
7286
7287 /* Add mode */
7288 iwe.cmd = SIOCGIWMODE;
7289 capabilities = bss->cap;
7290 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7291 if(capabilities & CAP_ESS)
7292 iwe.u.mode = IW_MODE_MASTER;
7293 else
7294 iwe.u.mode = IW_MODE_ADHOC;
7295 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7296 &iwe, IW_EV_UINT_LEN);
7297 }
7298
7299 /* Add frequency */
7300 iwe.cmd = SIOCGIWFREQ;
7301 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7302 iwe.u.freq.m = 100000 *
7303 ieee80211_channel_to_frequency(iwe.u.freq.m, IEEE80211_BAND_2GHZ);
7304 iwe.u.freq.e = 1;
7305 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7306 &iwe, IW_EV_FREQ_LEN);
7307
7308 dBm = le16_to_cpu(bss->dBm);
7309
7310 /* Add quality statistics */
7311 iwe.cmd = IWEVQUAL;
7312 if (ai->rssi) {
7313 iwe.u.qual.level = 0x100 - dBm;
7314 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7315 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7316 | IW_QUAL_LEVEL_UPDATED
7317 | IW_QUAL_DBM;
7318 } else {
7319 iwe.u.qual.level = (dBm + 321) / 2;
7320 iwe.u.qual.qual = 0;
7321 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7322 | IW_QUAL_LEVEL_UPDATED
7323 | IW_QUAL_DBM;
7324 }
7325 iwe.u.qual.noise = ai->wstats.qual.noise;
7326 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7327 &iwe, IW_EV_QUAL_LEN);
7328
7329 /* Add encryption capability */
7330 iwe.cmd = SIOCGIWENCODE;
7331 if(capabilities & CAP_PRIVACY)
7332 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7333 else
7334 iwe.u.data.flags = IW_ENCODE_DISABLED;
7335 iwe.u.data.length = 0;
7336 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7337 &iwe, bss->ssid);
7338
7339 /* Rate : stuffing multiple values in a single event require a bit
7340 * more of magic - Jean II */
7341 current_val = current_ev + iwe_stream_lcp_len(info);
7342
7343 iwe.cmd = SIOCGIWRATE;
7344 /* Those two flags are ignored... */
7345 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7346 /* Max 8 values */
7347 for(i = 0 ; i < 8 ; i++) {
7348 /* NULL terminated */
7349 if(bss->rates[i] == 0)
7350 break;
7351 /* Bit rate given in 500 kb/s units (+ 0x80) */
7352 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7353 /* Add new value to event */
7354 current_val = iwe_stream_add_value(info, current_ev,
7355 current_val, end_buf,
7356 &iwe, IW_EV_PARAM_LEN);
7357 }
7358 /* Check if we added any event */
7359 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7360 current_ev = current_val;
7361
7362 /* Beacon interval */
7363 buf = kmalloc(30, GFP_KERNEL);
7364 if (buf) {
7365 iwe.cmd = IWEVCUSTOM;
7366 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7367 iwe.u.data.length = strlen(buf);
7368 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7369 &iwe, buf);
7370 kfree(buf);
7371 }
7372
7373 /* Put WPA/RSN Information Elements into the event stream */
7374 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7375 unsigned int num_null_ies = 0;
7376 u16 length = sizeof (bss->extra.iep);
7377 u8 *ie = (void *)&bss->extra.iep;
7378
7379 while ((length >= 2) && (num_null_ies < 2)) {
7380 if (2 + ie[1] > length) {
7381 /* Invalid element, don't continue parsing IE */
7382 break;
7383 }
7384
7385 switch (ie[0]) {
7386 case WLAN_EID_SSID:
7387 /* Two zero-length SSID elements
7388 * mean we're done parsing elements */
7389 if (!ie[1])
7390 num_null_ies++;
7391 break;
7392
7393 case WLAN_EID_VENDOR_SPECIFIC:
7394 if (ie[1] >= 4 &&
7395 ie[2] == 0x00 &&
7396 ie[3] == 0x50 &&
7397 ie[4] == 0xf2 &&
7398 ie[5] == 0x01) {
7399 iwe.cmd = IWEVGENIE;
7400 /* 64 is an arbitrary cut-off */
7401 iwe.u.data.length = min(ie[1] + 2,
7402 64);
7403 current_ev = iwe_stream_add_point(
7404 info, current_ev,
7405 end_buf, &iwe, ie);
7406 }
7407 break;
7408
7409 case WLAN_EID_RSN:
7410 iwe.cmd = IWEVGENIE;
7411 /* 64 is an arbitrary cut-off */
7412 iwe.u.data.length = min(ie[1] + 2, 64);
7413 current_ev = iwe_stream_add_point(
7414 info, current_ev, end_buf,
7415 &iwe, ie);
7416 break;
7417
7418 default:
7419 break;
7420 }
7421
7422 length -= 2 + ie[1];
7423 ie += 2 + ie[1];
7424 }
7425 }
7426 return current_ev;
7427 }
7428
7429 /*------------------------------------------------------------------*/
7430 /*
7431 * Wireless Handler : Read Scan Results
7432 */
7433 static int airo_get_scan(struct net_device *dev,
7434 struct iw_request_info *info,
7435 struct iw_point *dwrq,
7436 char *extra)
7437 {
7438 struct airo_info *ai = dev->ml_priv;
7439 BSSListElement *net;
7440 int err = 0;
7441 char *current_ev = extra;
7442
7443 /* If a scan is in-progress, return -EAGAIN */
7444 if (ai->scan_timeout > 0)
7445 return -EAGAIN;
7446
7447 if (down_interruptible(&ai->sem))
7448 return -EAGAIN;
7449
7450 list_for_each_entry (net, &ai->network_list, list) {
7451 /* Translate to WE format this entry */
7452 current_ev = airo_translate_scan(dev, info, current_ev,
7453 extra + dwrq->length,
7454 &net->bss);
7455
7456 /* Check if there is space for one more entry */
7457 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7458 /* Ask user space to try again with a bigger buffer */
7459 err = -E2BIG;
7460 goto out;
7461 }
7462 }
7463
7464 /* Length of data */
7465 dwrq->length = (current_ev - extra);
7466 dwrq->flags = 0; /* todo */
7467
7468 out:
7469 up(&ai->sem);
7470 return err;
7471 }
7472
7473 /*------------------------------------------------------------------*/
7474 /*
7475 * Commit handler : called after a bunch of SET operations
7476 */
7477 static int airo_config_commit(struct net_device *dev,
7478 struct iw_request_info *info, /* NULL */
7479 void *zwrq, /* NULL */
7480 char *extra) /* NULL */
7481 {
7482 struct airo_info *local = dev->ml_priv;
7483
7484 if (!test_bit (FLAG_COMMIT, &local->flags))
7485 return 0;
7486
7487 /* Some of the "SET" function may have modified some of the
7488 * parameters. It's now time to commit them in the card */
7489 disable_MAC(local, 1);
7490 if (test_bit (FLAG_RESET, &local->flags)) {
7491 APListRid APList_rid;
7492 SsidRid SSID_rid;
7493
7494 readAPListRid(local, &APList_rid);
7495 readSsidRid(local, &SSID_rid);
7496 if (test_bit(FLAG_MPI,&local->flags))
7497 setup_card(local, dev->dev_addr, 1 );
7498 else
7499 reset_airo_card(dev);
7500 disable_MAC(local, 1);
7501 writeSsidRid(local, &SSID_rid, 1);
7502 writeAPListRid(local, &APList_rid, 1);
7503 }
7504 if (down_interruptible(&local->sem))
7505 return -ERESTARTSYS;
7506 writeConfigRid(local, 0);
7507 enable_MAC(local, 0);
7508 if (test_bit (FLAG_RESET, &local->flags))
7509 airo_set_promisc(local);
7510 else
7511 up(&local->sem);
7512
7513 return 0;
7514 }
7515
7516 /*------------------------------------------------------------------*/
7517 /*
7518 * Structures to export the Wireless Handlers
7519 */
7520
7521 static const struct iw_priv_args airo_private_args[] = {
7522 /*{ cmd, set_args, get_args, name } */
7523 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7524 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7525 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7526 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7527 };
7528
7529 static const iw_handler airo_handler[] =
7530 {
7531 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7532 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7533 (iw_handler) NULL, /* SIOCSIWNWID */
7534 (iw_handler) NULL, /* SIOCGIWNWID */
7535 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7536 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7537 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7538 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7539 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7540 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7541 (iw_handler) NULL, /* SIOCSIWRANGE */
7542 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7543 (iw_handler) NULL, /* SIOCSIWPRIV */
7544 (iw_handler) NULL, /* SIOCGIWPRIV */
7545 (iw_handler) NULL, /* SIOCSIWSTATS */
7546 (iw_handler) NULL, /* SIOCGIWSTATS */
7547 iw_handler_set_spy, /* SIOCSIWSPY */
7548 iw_handler_get_spy, /* SIOCGIWSPY */
7549 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7550 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7551 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7552 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7553 (iw_handler) NULL, /* -- hole -- */
7554 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7555 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7556 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7557 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7558 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7559 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7560 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7561 (iw_handler) NULL, /* -- hole -- */
7562 (iw_handler) NULL, /* -- hole -- */
7563 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7564 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7565 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7566 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7567 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7568 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7569 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7570 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7571 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7572 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7573 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7574 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7575 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7576 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7577 (iw_handler) NULL, /* -- hole -- */
7578 (iw_handler) NULL, /* -- hole -- */
7579 (iw_handler) NULL, /* SIOCSIWGENIE */
7580 (iw_handler) NULL, /* SIOCGIWGENIE */
7581 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7582 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7583 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7584 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7585 (iw_handler) NULL, /* SIOCSIWPMKSA */
7586 };
7587
7588 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7589 * We want to force the use of the ioctl code, because those can't be
7590 * won't work the iw_handler code (because they simultaneously read
7591 * and write data and iw_handler can't do that).
7592 * Note that it's perfectly legal to read/write on a single ioctl command,
7593 * you just can't use iwpriv and need to force it via the ioctl handler.
7594 * Jean II */
7595 static const iw_handler airo_private_handler[] =
7596 {
7597 NULL, /* SIOCIWFIRSTPRIV */
7598 };
7599
7600 static const struct iw_handler_def airo_handler_def =
7601 {
7602 .num_standard = ARRAY_SIZE(airo_handler),
7603 .num_private = ARRAY_SIZE(airo_private_handler),
7604 .num_private_args = ARRAY_SIZE(airo_private_args),
7605 .standard = airo_handler,
7606 .private = airo_private_handler,
7607 .private_args = airo_private_args,
7608 .get_wireless_stats = airo_get_wireless_stats,
7609 };
7610
7611 /*
7612 * This defines the configuration part of the Wireless Extensions
7613 * Note : irq and spinlock protection will occur in the subroutines
7614 *
7615 * TODO :
7616 * o Check input value more carefully and fill correct values in range
7617 * o Test and shakeout the bugs (if any)
7618 *
7619 * Jean II
7620 *
7621 * Javier Achirica did a great job of merging code from the unnamed CISCO
7622 * developer that added support for flashing the card.
7623 */
7624 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7625 {
7626 int rc = 0;
7627 struct airo_info *ai = dev->ml_priv;
7628
7629 if (ai->power.event)
7630 return 0;
7631
7632 switch (cmd) {
7633 #ifdef CISCO_EXT
7634 case AIROIDIFC:
7635 #ifdef AIROOLDIDIFC
7636 case AIROOLDIDIFC:
7637 #endif
7638 {
7639 int val = AIROMAGIC;
7640 aironet_ioctl com;
7641 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7642 rc = -EFAULT;
7643 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7644 rc = -EFAULT;
7645 }
7646 break;
7647
7648 case AIROIOCTL:
7649 #ifdef AIROOLDIOCTL
7650 case AIROOLDIOCTL:
7651 #endif
7652 /* Get the command struct and hand it off for evaluation by
7653 * the proper subfunction
7654 */
7655 {
7656 aironet_ioctl com;
7657 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7658 rc = -EFAULT;
7659 break;
7660 }
7661
7662 /* Separate R/W functions bracket legality here
7663 */
7664 if ( com.command == AIRORSWVERSION ) {
7665 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7666 rc = -EFAULT;
7667 else
7668 rc = 0;
7669 }
7670 else if ( com.command <= AIRORRID)
7671 rc = readrids(dev,&com);
7672 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7673 rc = writerids(dev,&com);
7674 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7675 rc = flashcard(dev,&com);
7676 else
7677 rc = -EINVAL; /* Bad command in ioctl */
7678 }
7679 break;
7680 #endif /* CISCO_EXT */
7681
7682 // All other calls are currently unsupported
7683 default:
7684 rc = -EOPNOTSUPP;
7685 }
7686 return rc;
7687 }
7688
7689 /*
7690 * Get the Wireless stats out of the driver
7691 * Note : irq and spinlock protection will occur in the subroutines
7692 *
7693 * TODO :
7694 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7695 *
7696 * Jean
7697 */
7698 static void airo_read_wireless_stats(struct airo_info *local)
7699 {
7700 StatusRid status_rid;
7701 StatsRid stats_rid;
7702 CapabilityRid cap_rid;
7703 __le32 *vals = stats_rid.vals;
7704
7705 /* Get stats out of the card */
7706 clear_bit(JOB_WSTATS, &local->jobs);
7707 if (local->power.event) {
7708 up(&local->sem);
7709 return;
7710 }
7711 readCapabilityRid(local, &cap_rid, 0);
7712 readStatusRid(local, &status_rid, 0);
7713 readStatsRid(local, &stats_rid, RID_STATS, 0);
7714 up(&local->sem);
7715
7716 /* The status */
7717 local->wstats.status = le16_to_cpu(status_rid.mode);
7718
7719 /* Signal quality and co */
7720 if (local->rssi) {
7721 local->wstats.qual.level =
7722 airo_rssi_to_dbm(local->rssi,
7723 le16_to_cpu(status_rid.sigQuality));
7724 /* normalizedSignalStrength appears to be a percentage */
7725 local->wstats.qual.qual =
7726 le16_to_cpu(status_rid.normalizedSignalStrength);
7727 } else {
7728 local->wstats.qual.level =
7729 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7730 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7731 }
7732 if (le16_to_cpu(status_rid.len) >= 124) {
7733 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7734 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7735 } else {
7736 local->wstats.qual.noise = 0;
7737 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7738 }
7739
7740 /* Packets discarded in the wireless adapter due to wireless
7741 * specific problems */
7742 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7743 le32_to_cpu(vals[57]) +
7744 le32_to_cpu(vals[58]); /* SSID Mismatch */
7745 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7746 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7747 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7748 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7749 le32_to_cpu(vals[32]);
7750 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7751 }
7752
7753 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7754 {
7755 struct airo_info *local = dev->ml_priv;
7756
7757 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7758 /* Get stats out of the card if available */
7759 if (down_trylock(&local->sem) != 0) {
7760 set_bit(JOB_WSTATS, &local->jobs);
7761 wake_up_interruptible(&local->thr_wait);
7762 } else
7763 airo_read_wireless_stats(local);
7764 }
7765
7766 return &local->wstats;
7767 }
7768
7769 #ifdef CISCO_EXT
7770 /*
7771 * This just translates from driver IOCTL codes to the command codes to
7772 * feed to the radio's host interface. Things can be added/deleted
7773 * as needed. This represents the READ side of control I/O to
7774 * the card
7775 */
7776 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7777 unsigned short ridcode;
7778 unsigned char *iobuf;
7779 int len;
7780 struct airo_info *ai = dev->ml_priv;
7781
7782 if (test_bit(FLAG_FLASHING, &ai->flags))
7783 return -EIO;
7784
7785 switch(comp->command)
7786 {
7787 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7788 case AIROGCFG: ridcode = RID_CONFIG;
7789 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7790 disable_MAC (ai, 1);
7791 writeConfigRid (ai, 1);
7792 enable_MAC(ai, 1);
7793 }
7794 break;
7795 case AIROGSLIST: ridcode = RID_SSID; break;
7796 case AIROGVLIST: ridcode = RID_APLIST; break;
7797 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7798 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7799 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7800 /* Only super-user can read WEP keys */
7801 if (!capable(CAP_NET_ADMIN))
7802 return -EPERM;
7803 break;
7804 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7805 /* Only super-user can read WEP keys */
7806 if (!capable(CAP_NET_ADMIN))
7807 return -EPERM;
7808 break;
7809 case AIROGSTAT: ridcode = RID_STATUS; break;
7810 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7811 case AIROGSTATSC32: ridcode = RID_STATS; break;
7812 case AIROGMICSTATS:
7813 if (copy_to_user(comp->data, &ai->micstats,
7814 min((int)comp->len,(int)sizeof(ai->micstats))))
7815 return -EFAULT;
7816 return 0;
7817 case AIRORRID: ridcode = comp->ridnum; break;
7818 default:
7819 return -EINVAL;
7820 break;
7821 }
7822
7823 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7824 return -ENOMEM;
7825
7826 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7827 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7828 * then return it to the user
7829 * 9/22/2000 Honor user given length
7830 */
7831 len = comp->len;
7832
7833 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7834 kfree (iobuf);
7835 return -EFAULT;
7836 }
7837 kfree (iobuf);
7838 return 0;
7839 }
7840
7841 /*
7842 * Danger Will Robinson write the rids here
7843 */
7844
7845 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7846 struct airo_info *ai = dev->ml_priv;
7847 int ridcode;
7848 int enabled;
7849 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7850 unsigned char *iobuf;
7851
7852 /* Only super-user can write RIDs */
7853 if (!capable(CAP_NET_ADMIN))
7854 return -EPERM;
7855
7856 if (test_bit(FLAG_FLASHING, &ai->flags))
7857 return -EIO;
7858
7859 ridcode = 0;
7860 writer = do_writerid;
7861
7862 switch(comp->command)
7863 {
7864 case AIROPSIDS: ridcode = RID_SSID; break;
7865 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7866 case AIROPAPLIST: ridcode = RID_APLIST; break;
7867 case AIROPCFG: ai->config.len = 0;
7868 clear_bit(FLAG_COMMIT, &ai->flags);
7869 ridcode = RID_CONFIG; break;
7870 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7871 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7872 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7873 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7874 break;
7875 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7876 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7877
7878 /* this is not really a rid but a command given to the card
7879 * same with MAC off
7880 */
7881 case AIROPMACON:
7882 if (enable_MAC(ai, 1) != 0)
7883 return -EIO;
7884 return 0;
7885
7886 /*
7887 * Evidently this code in the airo driver does not get a symbol
7888 * as disable_MAC. it's probably so short the compiler does not gen one.
7889 */
7890 case AIROPMACOFF:
7891 disable_MAC(ai, 1);
7892 return 0;
7893
7894 /* This command merely clears the counts does not actually store any data
7895 * only reads rid. But as it changes the cards state, I put it in the
7896 * writerid routines.
7897 */
7898 case AIROPSTCLR:
7899 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7900 return -ENOMEM;
7901
7902 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7903
7904 enabled = ai->micstats.enabled;
7905 memset(&ai->micstats,0,sizeof(ai->micstats));
7906 ai->micstats.enabled = enabled;
7907
7908 if (copy_to_user(comp->data, iobuf,
7909 min((int)comp->len, (int)RIDSIZE))) {
7910 kfree (iobuf);
7911 return -EFAULT;
7912 }
7913 kfree (iobuf);
7914 return 0;
7915
7916 default:
7917 return -EOPNOTSUPP; /* Blarg! */
7918 }
7919 if(comp->len > RIDSIZE)
7920 return -EINVAL;
7921
7922 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7923 return -ENOMEM;
7924
7925 if (copy_from_user(iobuf,comp->data,comp->len)) {
7926 kfree (iobuf);
7927 return -EFAULT;
7928 }
7929
7930 if (comp->command == AIROPCFG) {
7931 ConfigRid *cfg = (ConfigRid *)iobuf;
7932
7933 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7934 cfg->opmode |= MODE_MIC;
7935
7936 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7937 set_bit (FLAG_ADHOC, &ai->flags);
7938 else
7939 clear_bit (FLAG_ADHOC, &ai->flags);
7940 }
7941
7942 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7943 kfree (iobuf);
7944 return -EIO;
7945 }
7946 kfree (iobuf);
7947 return 0;
7948 }
7949
7950 /*****************************************************************************
7951 * Ancillary flash / mod functions much black magic lurkes here *
7952 *****************************************************************************
7953 */
7954
7955 /*
7956 * Flash command switch table
7957 */
7958
7959 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7960 int z;
7961
7962 /* Only super-user can modify flash */
7963 if (!capable(CAP_NET_ADMIN))
7964 return -EPERM;
7965
7966 switch(comp->command)
7967 {
7968 case AIROFLSHRST:
7969 return cmdreset((struct airo_info *)dev->ml_priv);
7970
7971 case AIROFLSHSTFL:
7972 if (!AIRO_FLASH(dev) &&
7973 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
7974 return -ENOMEM;
7975 return setflashmode((struct airo_info *)dev->ml_priv);
7976
7977 case AIROFLSHGCHR: /* Get char from aux */
7978 if(comp->len != sizeof(int))
7979 return -EINVAL;
7980 if (copy_from_user(&z,comp->data,comp->len))
7981 return -EFAULT;
7982 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
7983
7984 case AIROFLSHPCHR: /* Send char to card. */
7985 if(comp->len != sizeof(int))
7986 return -EINVAL;
7987 if (copy_from_user(&z,comp->data,comp->len))
7988 return -EFAULT;
7989 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
7990
7991 case AIROFLPUTBUF: /* Send 32k to card */
7992 if (!AIRO_FLASH(dev))
7993 return -ENOMEM;
7994 if(comp->len > FLASHSIZE)
7995 return -EINVAL;
7996 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
7997 return -EFAULT;
7998
7999 flashputbuf((struct airo_info *)dev->ml_priv);
8000 return 0;
8001
8002 case AIRORESTART:
8003 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8004 return -EIO;
8005 return 0;
8006 }
8007 return -EINVAL;
8008 }
8009
8010 #define FLASH_COMMAND 0x7e7e
8011
8012 /*
8013 * STEP 1)
8014 * Disable MAC and do soft reset on
8015 * card.
8016 */
8017
8018 static int cmdreset(struct airo_info *ai) {
8019 disable_MAC(ai, 1);
8020
8021 if(!waitbusy (ai)){
8022 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8023 return -EBUSY;
8024 }
8025
8026 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8027
8028 ssleep(1); /* WAS 600 12/7/00 */
8029
8030 if(!waitbusy (ai)){
8031 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8032 return -EBUSY;
8033 }
8034 return 0;
8035 }
8036
8037 /* STEP 2)
8038 * Put the card in legendary flash
8039 * mode
8040 */
8041
8042 static int setflashmode (struct airo_info *ai) {
8043 set_bit (FLAG_FLASHING, &ai->flags);
8044
8045 OUT4500(ai, SWS0, FLASH_COMMAND);
8046 OUT4500(ai, SWS1, FLASH_COMMAND);
8047 if (probe) {
8048 OUT4500(ai, SWS0, FLASH_COMMAND);
8049 OUT4500(ai, COMMAND,0x10);
8050 } else {
8051 OUT4500(ai, SWS2, FLASH_COMMAND);
8052 OUT4500(ai, SWS3, FLASH_COMMAND);
8053 OUT4500(ai, COMMAND,0);
8054 }
8055 msleep(500); /* 500ms delay */
8056
8057 if(!waitbusy(ai)) {
8058 clear_bit (FLAG_FLASHING, &ai->flags);
8059 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8060 return -EIO;
8061 }
8062 return 0;
8063 }
8064
8065 /* Put character to SWS0 wait for dwelltime
8066 * x 50us for echo .
8067 */
8068
8069 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8070 int echo;
8071 int waittime;
8072
8073 byte |= 0x8000;
8074
8075 if(dwelltime == 0 )
8076 dwelltime = 200;
8077
8078 waittime=dwelltime;
8079
8080 /* Wait for busy bit d15 to go false indicating buffer empty */
8081 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8082 udelay (50);
8083 waittime -= 50;
8084 }
8085
8086 /* timeout for busy clear wait */
8087 if(waittime <= 0 ){
8088 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8089 return -EBUSY;
8090 }
8091
8092 /* Port is clear now write byte and wait for it to echo back */
8093 do {
8094 OUT4500(ai,SWS0,byte);
8095 udelay(50);
8096 dwelltime -= 50;
8097 echo = IN4500(ai,SWS1);
8098 } while (dwelltime >= 0 && echo != byte);
8099
8100 OUT4500(ai,SWS1,0);
8101
8102 return (echo == byte) ? 0 : -EIO;
8103 }
8104
8105 /*
8106 * Get a character from the card matching matchbyte
8107 * Step 3)
8108 */
8109 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8110 int rchar;
8111 unsigned char rbyte=0;
8112
8113 do {
8114 rchar = IN4500(ai,SWS1);
8115
8116 if(dwelltime && !(0x8000 & rchar)){
8117 dwelltime -= 10;
8118 mdelay(10);
8119 continue;
8120 }
8121 rbyte = 0xff & rchar;
8122
8123 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8124 OUT4500(ai,SWS1,0);
8125 return 0;
8126 }
8127 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8128 break;
8129 OUT4500(ai,SWS1,0);
8130
8131 }while(dwelltime > 0);
8132 return -EIO;
8133 }
8134
8135 /*
8136 * Transfer 32k of firmware data from user buffer to our buffer and
8137 * send to the card
8138 */
8139
8140 static int flashputbuf(struct airo_info *ai){
8141 int nwords;
8142
8143 /* Write stuff */
8144 if (test_bit(FLAG_MPI,&ai->flags))
8145 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8146 else {
8147 OUT4500(ai,AUXPAGE,0x100);
8148 OUT4500(ai,AUXOFF,0);
8149
8150 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8151 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8152 }
8153 }
8154 OUT4500(ai,SWS0,0x8000);
8155
8156 return 0;
8157 }
8158
8159 /*
8160 *
8161 */
8162 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8163 int i,status;
8164
8165 ssleep(1); /* Added 12/7/00 */
8166 clear_bit (FLAG_FLASHING, &ai->flags);
8167 if (test_bit(FLAG_MPI, &ai->flags)) {
8168 status = mpi_init_descriptors(ai);
8169 if (status != SUCCESS)
8170 return status;
8171 }
8172 status = setup_card(ai, dev->dev_addr, 1);
8173
8174 if (!test_bit(FLAG_MPI,&ai->flags))
8175 for( i = 0; i < MAX_FIDS; i++ ) {
8176 ai->fids[i] = transmit_allocate
8177 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8178 }
8179
8180 ssleep(1); /* Added 12/7/00 */
8181 return status;
8182 }
8183 #endif /* CISCO_EXT */
8184
8185 /*
8186 This program is free software; you can redistribute it and/or
8187 modify it under the terms of the GNU General Public License
8188 as published by the Free Software Foundation; either version 2
8189 of the License, or (at your option) any later version.
8190
8191 This program is distributed in the hope that it will be useful,
8192 but WITHOUT ANY WARRANTY; without even the implied warranty of
8193 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8194 GNU General Public License for more details.
8195
8196 In addition:
8197
8198 Redistribution and use in source and binary forms, with or without
8199 modification, are permitted provided that the following conditions
8200 are met:
8201
8202 1. Redistributions of source code must retain the above copyright
8203 notice, this list of conditions and the following disclaimer.
8204 2. Redistributions in binary form must reproduce the above copyright
8205 notice, this list of conditions and the following disclaimer in the
8206 documentation and/or other materials provided with the distribution.
8207 3. The name of the author may not be used to endorse or promote
8208 products derived from this software without specific prior written
8209 permission.
8210
8211 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8212 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8213 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8214 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8215 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8216 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8217 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8218 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8219 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8220 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8221 POSSIBILITY OF SUCH DAMAGE.
8222 */
8223
8224 module_init(airo_init_module);
8225 module_exit(airo_cleanup_module);
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