1 /*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
19
20 ======================================================================*/
21
22 #include <linux/err.h>
23 #include <linux/init.h>
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
35 #include <linux/in.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
39 #include <asm/io.h>
40 #include <asm/system.h>
41 #include <asm/unaligned.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
53
54 #include "airo.h"
55
56 #define DRV_NAME "airo"
57
58 #ifdef CONFIG_PCI
59 static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0, }
68 };
69 MODULE_DEVICE_TABLE(pci, card_ids);
70
71 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72 static void airo_pci_remove(struct pci_dev *);
73 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
74 static int airo_pci_resume(struct pci_dev *pdev);
75
76 static struct pci_driver airo_driver = {
77 .name = DRV_NAME,
78 .id_table = card_ids,
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
83 };
84 #endif /* CONFIG_PCI */
85
86 /* Include Wireless Extension definition and check version - Jean II */
87 #include <linux/wireless.h>
88 #define WIRELESS_SPY // enable iwspy support
89 #include <net/iw_handler.h> // New driver API
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 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 int basic_rate;
219 static char *ssids[3];
220
221 static int io[4];
222 static int irq[4];
223
224 static
225 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
227
228 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
231 static int adhoc;
232
233 static int probe = 1;
234
235 static int proc_uid /* = 0 */;
236
237 static int proc_gid /* = 0 */;
238
239 static int airo_perm = 0555;
240
241 static int proc_perm = 0644;
242
243 MODULE_AUTHOR("Benjamin Reed");
244 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
245 cards. Direct support for ISA/PCI/MPI cards and support \
246 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(basic_rate, int, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256 the authentication options until an association is made. The value of \
257 auto_wep is number of the wep keys to check. A value of 2 will try using \
258 the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261 than seems to work better for older cards with some older buses. Before \
262 switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266 Older cards used to be limited to 2mbs (4).");
267 module_param(adhoc, int, 0);
268 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269 module_param(probe, int, 0);
270 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271
272 module_param(proc_uid, int, 0);
273 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274 module_param(proc_gid, int, 0);
275 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276 module_param(airo_perm, int, 0);
277 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278 module_param(proc_perm, int, 0);
279 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280
281 /* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284 static int do8bitIO = 0;
285
286 /* Return codes */
287 #define SUCCESS 0
288 #define ERROR -1
289 #define NO_PACKET -2
290
291 /* Commands */
292 #define NOP2 0x0000
293 #define MAC_ENABLE 0x0001
294 #define MAC_DISABLE 0x0002
295 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296 #define CMD_SOFTRESET 0x0004
297 #define HOSTSLEEP 0x0005
298 #define CMD_MAGIC_PKT 0x0006
299 #define CMD_SETWAKEMASK 0x0007
300 #define CMD_READCFG 0x0008
301 #define CMD_SETMODE 0x0009
302 #define CMD_ALLOCATETX 0x000a
303 #define CMD_TRANSMIT 0x000b
304 #define CMD_DEALLOCATETX 0x000c
305 #define NOP 0x0010
306 #define CMD_WORKAROUND 0x0011
307 #define CMD_ALLOCATEAUX 0x0020
308 #define CMD_ACCESS 0x0021
309 #define CMD_PCIBAP 0x0022
310 #define CMD_PCIAUX 0x0023
311 #define CMD_ALLOCBUF 0x0028
312 #define CMD_GETTLV 0x0029
313 #define CMD_PUTTLV 0x002a
314 #define CMD_DELTLV 0x002b
315 #define CMD_FINDNEXTTLV 0x002c
316 #define CMD_PSPNODES 0x0030
317 #define CMD_SETCW 0x0031
318 #define CMD_SETPCF 0x0032
319 #define CMD_SETPHYREG 0x003e
320 #define CMD_TXTEST 0x003f
321 #define MAC_ENABLETX 0x0101
322 #define CMD_LISTBSS 0x0103
323 #define CMD_SAVECFG 0x0108
324 #define CMD_ENABLEAUX 0x0111
325 #define CMD_WRITERID 0x0121
326 #define CMD_USEPSPNODES 0x0130
327 #define MAC_ENABLERX 0x0201
328
329 /* Command errors */
330 #define ERROR_QUALIF 0x00
331 #define ERROR_ILLCMD 0x01
332 #define ERROR_ILLFMT 0x02
333 #define ERROR_INVFID 0x03
334 #define ERROR_INVRID 0x04
335 #define ERROR_LARGE 0x05
336 #define ERROR_NDISABL 0x06
337 #define ERROR_ALLOCBSY 0x07
338 #define ERROR_NORD 0x0B
339 #define ERROR_NOWR 0x0C
340 #define ERROR_INVFIDTX 0x0D
341 #define ERROR_TESTACT 0x0E
342 #define ERROR_TAGNFND 0x12
343 #define ERROR_DECODE 0x20
344 #define ERROR_DESCUNAV 0x21
345 #define ERROR_BADLEN 0x22
346 #define ERROR_MODE 0x80
347 #define ERROR_HOP 0x81
348 #define ERROR_BINTER 0x82
349 #define ERROR_RXMODE 0x83
350 #define ERROR_MACADDR 0x84
351 #define ERROR_RATES 0x85
352 #define ERROR_ORDER 0x86
353 #define ERROR_SCAN 0x87
354 #define ERROR_AUTH 0x88
355 #define ERROR_PSMODE 0x89
356 #define ERROR_RTYPE 0x8A
357 #define ERROR_DIVER 0x8B
358 #define ERROR_SSID 0x8C
359 #define ERROR_APLIST 0x8D
360 #define ERROR_AUTOWAKE 0x8E
361 #define ERROR_LEAP 0x8F
362
363 /* Registers */
364 #define COMMAND 0x00
365 #define PARAM0 0x02
366 #define PARAM1 0x04
367 #define PARAM2 0x06
368 #define STATUS 0x08
369 #define RESP0 0x0a
370 #define RESP1 0x0c
371 #define RESP2 0x0e
372 #define LINKSTAT 0x10
373 #define SELECT0 0x18
374 #define OFFSET0 0x1c
375 #define RXFID 0x20
376 #define TXALLOCFID 0x22
377 #define TXCOMPLFID 0x24
378 #define DATA0 0x36
379 #define EVSTAT 0x30
380 #define EVINTEN 0x32
381 #define EVACK 0x34
382 #define SWS0 0x28
383 #define SWS1 0x2a
384 #define SWS2 0x2c
385 #define SWS3 0x2e
386 #define AUXPAGE 0x3A
387 #define AUXOFF 0x3C
388 #define AUXDATA 0x3E
389
390 #define FID_TX 1
391 #define FID_RX 2
392 /* Offset into aux memory for descriptors */
393 #define AUX_OFFSET 0x800
394 /* Size of allocated packets */
395 #define PKTSIZE 1840
396 #define RIDSIZE 2048
397 /* Size of the transmit queue */
398 #define MAXTXQ 64
399
400 /* BAP selectors */
401 #define BAP0 0 // Used for receiving packets
402 #define BAP1 2 // Used for xmiting packets and working with RIDS
403
404 /* Flags */
405 #define COMMAND_BUSY 0x8000
406
407 #define BAP_BUSY 0x8000
408 #define BAP_ERR 0x4000
409 #define BAP_DONE 0x2000
410
411 #define PROMISC 0xffff
412 #define NOPROMISC 0x0000
413
414 #define EV_CMD 0x10
415 #define EV_CLEARCOMMANDBUSY 0x4000
416 #define EV_RX 0x01
417 #define EV_TX 0x02
418 #define EV_TXEXC 0x04
419 #define EV_ALLOC 0x08
420 #define EV_LINK 0x80
421 #define EV_AWAKE 0x100
422 #define EV_TXCPY 0x400
423 #define EV_UNKNOWN 0x800
424 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425 #define EV_AWAKEN 0x2000
426 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427
428 #ifdef CHECK_UNKNOWN_INTS
429 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #else
431 #define IGNORE_INTS (~STATUS_INTS)
432 #endif
433
434 /* RID TYPES */
435 #define RID_RW 0x20
436
437 /* The RIDs */
438 #define RID_CAPABILITIES 0xFF00
439 #define RID_APINFO 0xFF01
440 #define RID_RADIOINFO 0xFF02
441 #define RID_UNKNOWN3 0xFF03
442 #define RID_RSSI 0xFF04
443 #define RID_CONFIG 0xFF10
444 #define RID_SSID 0xFF11
445 #define RID_APLIST 0xFF12
446 #define RID_DRVNAME 0xFF13
447 #define RID_ETHERENCAP 0xFF14
448 #define RID_WEP_TEMP 0xFF15
449 #define RID_WEP_PERM 0xFF16
450 #define RID_MODULATION 0xFF17
451 #define RID_OPTIONS 0xFF18
452 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453 #define RID_FACTORYCONFIG 0xFF21
454 #define RID_UNKNOWN22 0xFF22
455 #define RID_LEAPUSERNAME 0xFF23
456 #define RID_LEAPPASSWORD 0xFF24
457 #define RID_STATUS 0xFF50
458 #define RID_BEACON_HST 0xFF51
459 #define RID_BUSY_HST 0xFF52
460 #define RID_RETRIES_HST 0xFF53
461 #define RID_UNKNOWN54 0xFF54
462 #define RID_UNKNOWN55 0xFF55
463 #define RID_UNKNOWN56 0xFF56
464 #define RID_MIC 0xFF57
465 #define RID_STATS16 0xFF60
466 #define RID_STATS16DELTA 0xFF61
467 #define RID_STATS16DELTACLEAR 0xFF62
468 #define RID_STATS 0xFF68
469 #define RID_STATSDELTA 0xFF69
470 #define RID_STATSDELTACLEAR 0xFF6A
471 #define RID_ECHOTEST_RID 0xFF70
472 #define RID_ECHOTEST_RESULTS 0xFF71
473 #define RID_BSSLISTFIRST 0xFF72
474 #define RID_BSSLISTNEXT 0xFF73
475 #define RID_WPA_BSSLISTFIRST 0xFF74
476 #define RID_WPA_BSSLISTNEXT 0xFF75
477
478 typedef struct {
479 u16 cmd;
480 u16 parm0;
481 u16 parm1;
482 u16 parm2;
483 } Cmd;
484
485 typedef struct {
486 u16 status;
487 u16 rsp0;
488 u16 rsp1;
489 u16 rsp2;
490 } Resp;
491
492 /*
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
496 */
497
498 /* This is redundant for x86 archs, but it seems necessary for ARM */
499 #pragma pack(1)
500
501 /* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
503 typedef struct {
504 __le16 len;
505 __le16 kindex;
506 u8 mac[ETH_ALEN];
507 __le16 klen;
508 u8 key[16];
509 } WepKeyRid;
510
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct {
513 __le16 len;
514 u8 ssid[32];
515 } Ssid;
516
517 typedef struct {
518 __le16 len;
519 Ssid ssids[3];
520 } SsidRid;
521
522 typedef struct {
523 __le16 len;
524 __le16 modulation;
525 #define MOD_DEFAULT cpu_to_le16(0)
526 #define MOD_CCK cpu_to_le16(1)
527 #define MOD_MOK cpu_to_le16(2)
528 } ModulationRid;
529
530 typedef struct {
531 __le16 len; /* sizeof(ConfigRid) */
532 __le16 opmode; /* operating mode */
533 #define MODE_STA_IBSS cpu_to_le16(0)
534 #define MODE_STA_ESS cpu_to_le16(1)
535 #define MODE_AP cpu_to_le16(2)
536 #define MODE_AP_RPTR cpu_to_le16(3)
537 #define MODE_CFG_MASK cpu_to_le16(0xff)
538 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
539 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
540 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
541 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
542 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
543 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
544 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
545 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
546 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
547 __le16 rmode; /* receive mode */
548 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
549 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
550 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
551 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
552 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
553 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
554 #define RXMODE_MASK cpu_to_le16(255)
555 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
556 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
557 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
558 __le16 fragThresh;
559 __le16 rtsThres;
560 u8 macAddr[ETH_ALEN];
561 u8 rates[8];
562 __le16 shortRetryLimit;
563 __le16 longRetryLimit;
564 __le16 txLifetime; /* in kusec */
565 __le16 rxLifetime; /* in kusec */
566 __le16 stationary;
567 __le16 ordering;
568 __le16 u16deviceType; /* for overriding device type */
569 __le16 cfpRate;
570 __le16 cfpDuration;
571 __le16 _reserved1[3];
572 /*---------- Scanning/Associating ----------*/
573 __le16 scanMode;
574 #define SCANMODE_ACTIVE cpu_to_le16(0)
575 #define SCANMODE_PASSIVE cpu_to_le16(1)
576 #define SCANMODE_AIROSCAN cpu_to_le16(2)
577 __le16 probeDelay; /* in kusec */
578 __le16 probeEnergyTimeout; /* in kusec */
579 __le16 probeResponseTimeout;
580 __le16 beaconListenTimeout;
581 __le16 joinNetTimeout;
582 __le16 authTimeout;
583 __le16 authType;
584 #define AUTH_OPEN cpu_to_le16(0x1)
585 #define AUTH_ENCRYPT cpu_to_le16(0x101)
586 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
587 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
588 __le16 associationTimeout;
589 __le16 specifiedApTimeout;
590 __le16 offlineScanInterval;
591 __le16 offlineScanDuration;
592 __le16 linkLossDelay;
593 __le16 maxBeaconLostTime;
594 __le16 refreshInterval;
595 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
596 __le16 _reserved1a[1];
597 /*---------- Power save operation ----------*/
598 __le16 powerSaveMode;
599 #define POWERSAVE_CAM cpu_to_le16(0)
600 #define POWERSAVE_PSP cpu_to_le16(1)
601 #define POWERSAVE_PSPCAM cpu_to_le16(2)
602 __le16 sleepForDtims;
603 __le16 listenInterval;
604 __le16 fastListenInterval;
605 __le16 listenDecay;
606 __le16 fastListenDelay;
607 __le16 _reserved2[2];
608 /*---------- Ap/Ibss config items ----------*/
609 __le16 beaconPeriod;
610 __le16 atimDuration;
611 __le16 hopPeriod;
612 __le16 channelSet;
613 __le16 channel;
614 __le16 dtimPeriod;
615 __le16 bridgeDistance;
616 __le16 radioID;
617 /*---------- Radio configuration ----------*/
618 __le16 radioType;
619 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
620 #define RADIOTYPE_802_11 cpu_to_le16(1)
621 #define RADIOTYPE_LEGACY cpu_to_le16(2)
622 u8 rxDiversity;
623 u8 txDiversity;
624 __le16 txPower;
625 #define TXPOWER_DEFAULT 0
626 __le16 rssiThreshold;
627 #define RSSI_DEFAULT 0
628 __le16 modulation;
629 #define PREAMBLE_AUTO cpu_to_le16(0)
630 #define PREAMBLE_LONG cpu_to_le16(1)
631 #define PREAMBLE_SHORT cpu_to_le16(2)
632 __le16 preamble;
633 __le16 homeProduct;
634 __le16 radioSpecific;
635 /*---------- Aironet Extensions ----------*/
636 u8 nodeName[16];
637 __le16 arlThreshold;
638 __le16 arlDecay;
639 __le16 arlDelay;
640 __le16 _reserved4[1];
641 /*---------- Aironet Extensions ----------*/
642 u8 magicAction;
643 #define MAGIC_ACTION_STSCHG 1
644 #define MAGIC_ACTION_RESUME 2
645 #define MAGIC_IGNORE_MCAST (1<<8)
646 #define MAGIC_IGNORE_BCAST (1<<9)
647 #define MAGIC_SWITCH_TO_PSP (0<<10)
648 #define MAGIC_STAY_IN_CAM (1<<10)
649 u8 magicControl;
650 __le16 autoWake;
651 } ConfigRid;
652
653 typedef struct {
654 __le16 len;
655 u8 mac[ETH_ALEN];
656 __le16 mode;
657 __le16 errorCode;
658 __le16 sigQuality;
659 __le16 SSIDlen;
660 char SSID[32];
661 char apName[16];
662 u8 bssid[4][ETH_ALEN];
663 __le16 beaconPeriod;
664 __le16 dimPeriod;
665 __le16 atimDuration;
666 __le16 hopPeriod;
667 __le16 channelSet;
668 __le16 channel;
669 __le16 hopsToBackbone;
670 __le16 apTotalLoad;
671 __le16 generatedLoad;
672 __le16 accumulatedArl;
673 __le16 signalQuality;
674 __le16 currentXmitRate;
675 __le16 apDevExtensions;
676 __le16 normalizedSignalStrength;
677 __le16 shortPreamble;
678 u8 apIP[4];
679 u8 noisePercent; /* Noise percent in last second */
680 u8 noisedBm; /* Noise dBm in last second */
681 u8 noiseAvePercent; /* Noise percent in last minute */
682 u8 noiseAvedBm; /* Noise dBm in last minute */
683 u8 noiseMaxPercent; /* Highest noise percent in last minute */
684 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
685 __le16 load;
686 u8 carrier[4];
687 __le16 assocStatus;
688 #define STAT_NOPACKETS 0
689 #define STAT_NOCARRIERSET 10
690 #define STAT_GOTCARRIERSET 11
691 #define STAT_WRONGSSID 20
692 #define STAT_BADCHANNEL 25
693 #define STAT_BADBITRATES 30
694 #define STAT_BADPRIVACY 35
695 #define STAT_APFOUND 40
696 #define STAT_APREJECTED 50
697 #define STAT_AUTHENTICATING 60
698 #define STAT_DEAUTHENTICATED 61
699 #define STAT_AUTHTIMEOUT 62
700 #define STAT_ASSOCIATING 70
701 #define STAT_DEASSOCIATED 71
702 #define STAT_ASSOCTIMEOUT 72
703 #define STAT_NOTAIROAP 73
704 #define STAT_ASSOCIATED 80
705 #define STAT_LEAPING 90
706 #define STAT_LEAPFAILED 91
707 #define STAT_LEAPTIMEDOUT 92
708 #define STAT_LEAPCOMPLETE 93
709 } StatusRid;
710
711 typedef struct {
712 __le16 len;
713 __le16 spacer;
714 __le32 vals[100];
715 } StatsRid;
716
717
718 typedef struct {
719 __le16 len;
720 u8 ap[4][ETH_ALEN];
721 } APListRid;
722
723 typedef struct {
724 __le16 len;
725 char oui[3];
726 char zero;
727 __le16 prodNum;
728 char manName[32];
729 char prodName[16];
730 char prodVer[8];
731 char factoryAddr[ETH_ALEN];
732 char aironetAddr[ETH_ALEN];
733 __le16 radioType;
734 __le16 country;
735 char callid[ETH_ALEN];
736 char supportedRates[8];
737 char rxDiversity;
738 char txDiversity;
739 __le16 txPowerLevels[8];
740 __le16 hardVer;
741 __le16 hardCap;
742 __le16 tempRange;
743 __le16 softVer;
744 __le16 softSubVer;
745 __le16 interfaceVer;
746 __le16 softCap;
747 __le16 bootBlockVer;
748 __le16 requiredHard;
749 __le16 extSoftCap;
750 } CapabilityRid;
751
752
753 /* Only present on firmware >= 5.30.17 */
754 typedef struct {
755 __le16 unknown[4];
756 u8 fixed[12]; /* WLAN management frame */
757 u8 iep[624];
758 } BSSListRidExtra;
759
760 typedef struct {
761 __le16 len;
762 __le16 index; /* First is 0 and 0xffff means end of list */
763 #define RADIO_FH 1 /* Frequency hopping radio type */
764 #define RADIO_DS 2 /* Direct sequence radio type */
765 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
766 __le16 radioType;
767 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
768 u8 zero;
769 u8 ssidLen;
770 u8 ssid[32];
771 __le16 dBm;
772 #define CAP_ESS cpu_to_le16(1<<0)
773 #define CAP_IBSS cpu_to_le16(1<<1)
774 #define CAP_PRIVACY cpu_to_le16(1<<4)
775 #define CAP_SHORTHDR cpu_to_le16(1<<5)
776 __le16 cap;
777 __le16 beaconInterval;
778 u8 rates[8]; /* Same as rates for config rid */
779 struct { /* For frequency hopping only */
780 __le16 dwell;
781 u8 hopSet;
782 u8 hopPattern;
783 u8 hopIndex;
784 u8 fill;
785 } fh;
786 __le16 dsChannel;
787 __le16 atimWindow;
788
789 /* Only present on firmware >= 5.30.17 */
790 BSSListRidExtra extra;
791 } BSSListRid;
792
793 typedef struct {
794 BSSListRid bss;
795 struct list_head list;
796 } BSSListElement;
797
798 typedef struct {
799 u8 rssipct;
800 u8 rssidBm;
801 } tdsRssiEntry;
802
803 typedef struct {
804 u16 len;
805 tdsRssiEntry x[256];
806 } tdsRssiRid;
807
808 typedef struct {
809 u16 len;
810 u16 state;
811 u16 multicastValid;
812 u8 multicast[16];
813 u16 unicastValid;
814 u8 unicast[16];
815 } MICRid;
816
817 typedef struct {
818 __be16 typelen;
819
820 union {
821 u8 snap[8];
822 struct {
823 u8 dsap;
824 u8 ssap;
825 u8 control;
826 u8 orgcode[3];
827 u8 fieldtype[2];
828 } llc;
829 } u;
830 __be32 mic;
831 __be32 seq;
832 } MICBuffer;
833
834 typedef struct {
835 u8 da[ETH_ALEN];
836 u8 sa[ETH_ALEN];
837 } etherHead;
838
839 #pragma pack()
840
841 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
842 #define TXCTL_TXEX (1<<2) /* report if tx fails */
843 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
844 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
845 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
846 #define TXCTL_LLC (1<<4) /* payload is llc */
847 #define TXCTL_RELEASE (0<<5) /* release after completion */
848 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
849
850 #define BUSY_FID 0x10000
851
852 #ifdef CISCO_EXT
853 #define AIROMAGIC 0xa55a
854 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
855 #ifdef SIOCIWFIRSTPRIV
856 #ifdef SIOCDEVPRIVATE
857 #define AIROOLDIOCTL SIOCDEVPRIVATE
858 #define AIROOLDIDIFC AIROOLDIOCTL + 1
859 #endif /* SIOCDEVPRIVATE */
860 #else /* SIOCIWFIRSTPRIV */
861 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
862 #endif /* SIOCIWFIRSTPRIV */
863 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
864 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
865 * only and don't return the modified struct ifreq to the application which
866 * is usually a problem. - Jean II */
867 #define AIROIOCTL SIOCIWFIRSTPRIV
868 #define AIROIDIFC AIROIOCTL + 1
869
870 /* Ioctl constants to be used in airo_ioctl.command */
871
872 #define AIROGCAP 0 // Capability rid
873 #define AIROGCFG 1 // USED A LOT
874 #define AIROGSLIST 2 // System ID list
875 #define AIROGVLIST 3 // List of specified AP's
876 #define AIROGDRVNAM 4 // NOTUSED
877 #define AIROGEHTENC 5 // NOTUSED
878 #define AIROGWEPKTMP 6
879 #define AIROGWEPKNV 7
880 #define AIROGSTAT 8
881 #define AIROGSTATSC32 9
882 #define AIROGSTATSD32 10
883 #define AIROGMICRID 11
884 #define AIROGMICSTATS 12
885 #define AIROGFLAGS 13
886 #define AIROGID 14
887 #define AIRORRID 15
888 #define AIRORSWVERSION 17
889
890 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
891
892 #define AIROPCAP AIROGSTATSD32 + 40
893 #define AIROPVLIST AIROPCAP + 1
894 #define AIROPSLIST AIROPVLIST + 1
895 #define AIROPCFG AIROPSLIST + 1
896 #define AIROPSIDS AIROPCFG + 1
897 #define AIROPAPLIST AIROPSIDS + 1
898 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
899 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
900 #define AIROPSTCLR AIROPMACOFF + 1
901 #define AIROPWEPKEY AIROPSTCLR + 1
902 #define AIROPWEPKEYNV AIROPWEPKEY + 1
903 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
904 #define AIROPLEAPUSR AIROPLEAPPWD + 1
905
906 /* Flash codes */
907
908 #define AIROFLSHRST AIROPWEPKEYNV + 40
909 #define AIROFLSHGCHR AIROFLSHRST + 1
910 #define AIROFLSHSTFL AIROFLSHGCHR + 1
911 #define AIROFLSHPCHR AIROFLSHSTFL + 1
912 #define AIROFLPUTBUF AIROFLSHPCHR + 1
913 #define AIRORESTART AIROFLPUTBUF + 1
914
915 #define FLASHSIZE 32768
916 #define AUXMEMSIZE (256 * 1024)
917
918 typedef struct aironet_ioctl {
919 unsigned short command; // What to do
920 unsigned short len; // Len of data
921 unsigned short ridnum; // rid number
922 unsigned char __user *data; // d-data
923 } aironet_ioctl;
924
925 static char swversion[] = "2.1";
926 #endif /* CISCO_EXT */
927
928 #define NUM_MODULES 2
929 #define MIC_MSGLEN_MAX 2400
930 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
931 #define AIRO_DEF_MTU 2312
932
933 typedef struct {
934 u32 size; // size
935 u8 enabled; // MIC enabled or not
936 u32 rxSuccess; // successful packets received
937 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
938 u32 rxNotMICed; // pkts dropped due to not being MIC'd
939 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
940 u32 rxWrongSequence; // pkts dropped due to sequence number violation
941 u32 reserve[32];
942 } mic_statistics;
943
944 typedef struct {
945 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
946 u64 accum; // accumulated mic, reduced to u32 in final()
947 int position; // current position (byte offset) in message
948 union {
949 u8 d8[4];
950 __be32 d32;
951 } part; // saves partial message word across update() calls
952 } emmh32_context;
953
954 typedef struct {
955 emmh32_context seed; // Context - the seed
956 u32 rx; // Received sequence number
957 u32 tx; // Tx sequence number
958 u32 window; // Start of window
959 u8 valid; // Flag to say if context is valid or not
960 u8 key[16];
961 } miccntx;
962
963 typedef struct {
964 miccntx mCtx; // Multicast context
965 miccntx uCtx; // Unicast context
966 } mic_module;
967
968 typedef struct {
969 unsigned int rid: 16;
970 unsigned int len: 15;
971 unsigned int valid: 1;
972 dma_addr_t host_addr;
973 } Rid;
974
975 typedef struct {
976 unsigned int offset: 15;
977 unsigned int eoc: 1;
978 unsigned int len: 15;
979 unsigned int valid: 1;
980 dma_addr_t host_addr;
981 } TxFid;
982
983 typedef struct {
984 unsigned int ctl: 15;
985 unsigned int rdy: 1;
986 unsigned int len: 15;
987 unsigned int valid: 1;
988 dma_addr_t host_addr;
989 } RxFid;
990
991 /*
992 * Host receive descriptor
993 */
994 typedef struct {
995 unsigned char __iomem *card_ram_off; /* offset into card memory of the
996 desc */
997 RxFid rx_desc; /* card receive descriptor */
998 char *virtual_host_addr; /* virtual address of host receive
999 buffer */
1000 int pending;
1001 } HostRxDesc;
1002
1003 /*
1004 * Host transmit descriptor
1005 */
1006 typedef struct {
1007 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1008 desc */
1009 TxFid tx_desc; /* card transmit descriptor */
1010 char *virtual_host_addr; /* virtual address of host receive
1011 buffer */
1012 int pending;
1013 } HostTxDesc;
1014
1015 /*
1016 * Host RID descriptor
1017 */
1018 typedef struct {
1019 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1020 descriptor */
1021 Rid rid_desc; /* card RID descriptor */
1022 char *virtual_host_addr; /* virtual address of host receive
1023 buffer */
1024 } HostRidDesc;
1025
1026 typedef struct {
1027 u16 sw0;
1028 u16 sw1;
1029 u16 status;
1030 u16 len;
1031 #define HOST_SET (1 << 0)
1032 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1033 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1034 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1035 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1036 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1037 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1038 #define HOST_RTS (1 << 9) /* Force RTS use */
1039 #define HOST_SHORT (1 << 10) /* Do short preamble */
1040 u16 ctl;
1041 u16 aid;
1042 u16 retries;
1043 u16 fill;
1044 } TxCtlHdr;
1045
1046 typedef struct {
1047 u16 ctl;
1048 u16 duration;
1049 char addr1[6];
1050 char addr2[6];
1051 char addr3[6];
1052 u16 seq;
1053 char addr4[6];
1054 } WifiHdr;
1055
1056
1057 typedef struct {
1058 TxCtlHdr ctlhdr;
1059 u16 fill1;
1060 u16 fill2;
1061 WifiHdr wifihdr;
1062 u16 gaplen;
1063 u16 status;
1064 } WifiCtlHdr;
1065
1066 static WifiCtlHdr wifictlhdr8023 = {
1067 .ctlhdr = {
1068 .ctl = HOST_DONT_RLSE,
1069 }
1070 };
1071
1072 // Frequency list (map channels to frequencies)
1073 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1074 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1075
1076 // A few details needed for WEP (Wireless Equivalent Privacy)
1077 #define MAX_KEY_SIZE 13 // 128 (?) bits
1078 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1079 typedef struct wep_key_t {
1080 u16 len;
1081 u8 key[16]; /* 40-bit and 104-bit keys */
1082 } wep_key_t;
1083
1084 /* Backward compatibility */
1085 #ifndef IW_ENCODE_NOKEY
1086 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1087 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1088 #endif /* IW_ENCODE_NOKEY */
1089
1090 /* List of Wireless Handlers (new API) */
1091 static const struct iw_handler_def airo_handler_def;
1092
1093 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1094
1095 struct airo_info;
1096
1097 static int get_dec_u16( char *buffer, int *start, int limit );
1098 static void OUT4500( struct airo_info *, u16 register, u16 value );
1099 static unsigned short IN4500( struct airo_info *, u16 register );
1100 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1101 static int enable_MAC(struct airo_info *ai, int lock);
1102 static void disable_MAC(struct airo_info *ai, int lock);
1103 static void enable_interrupts(struct airo_info*);
1104 static void disable_interrupts(struct airo_info*);
1105 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1106 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1107 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1108 int whichbap);
1109 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1110 int whichbap);
1111 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1112 int whichbap);
1113 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1114 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1115 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1116 *pBuf, int len, int lock);
1117 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1118 int len, int dummy );
1119 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1120 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1121 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1122
1123 static int mpi_send_packet (struct net_device *dev);
1124 static void mpi_unmap_card(struct pci_dev *pci);
1125 static void mpi_receive_802_3(struct airo_info *ai);
1126 static void mpi_receive_802_11(struct airo_info *ai);
1127 static int waitbusy (struct airo_info *ai);
1128
1129 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1130 static int airo_thread(void *data);
1131 static void timer_func( struct net_device *dev );
1132 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1133 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1134 static void airo_read_wireless_stats (struct airo_info *local);
1135 #ifdef CISCO_EXT
1136 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1137 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1138 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1139 #endif /* CISCO_EXT */
1140 static void micinit(struct airo_info *ai);
1141 static int micsetup(struct airo_info *ai);
1142 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1143 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1144
1145 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1146 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1147
1148 static void airo_networks_free(struct airo_info *ai);
1149
1150 struct airo_info {
1151 struct net_device_stats stats;
1152 struct net_device *dev;
1153 struct list_head dev_list;
1154 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1155 use the high bit to mark whether it is in use. */
1156 #define MAX_FIDS 6
1157 #define MPI_MAX_FIDS 1
1158 int fids[MAX_FIDS];
1159 ConfigRid config;
1160 char keyindex; // Used with auto wep
1161 char defindex; // Used with auto wep
1162 struct proc_dir_entry *proc_entry;
1163 spinlock_t aux_lock;
1164 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1165 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1166 #define FLAG_RADIO_MASK 0x03
1167 #define FLAG_ENABLED 2
1168 #define FLAG_ADHOC 3 /* Needed by MIC */
1169 #define FLAG_MIC_CAPABLE 4
1170 #define FLAG_UPDATE_MULTI 5
1171 #define FLAG_UPDATE_UNI 6
1172 #define FLAG_802_11 7
1173 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1174 #define FLAG_PENDING_XMIT 9
1175 #define FLAG_PENDING_XMIT11 10
1176 #define FLAG_MPI 11
1177 #define FLAG_REGISTERED 12
1178 #define FLAG_COMMIT 13
1179 #define FLAG_RESET 14
1180 #define FLAG_FLASHING 15
1181 #define FLAG_WPA_CAPABLE 16
1182 unsigned long flags;
1183 #define JOB_DIE 0
1184 #define JOB_XMIT 1
1185 #define JOB_XMIT11 2
1186 #define JOB_STATS 3
1187 #define JOB_PROMISC 4
1188 #define JOB_MIC 5
1189 #define JOB_EVENT 6
1190 #define JOB_AUTOWEP 7
1191 #define JOB_WSTATS 8
1192 #define JOB_SCAN_RESULTS 9
1193 unsigned long jobs;
1194 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1195 int whichbap);
1196 unsigned short *flash;
1197 tdsRssiEntry *rssi;
1198 struct task_struct *list_bss_task;
1199 struct task_struct *airo_thread_task;
1200 struct semaphore sem;
1201 wait_queue_head_t thr_wait;
1202 unsigned long expires;
1203 struct {
1204 struct sk_buff *skb;
1205 int fid;
1206 } xmit, xmit11;
1207 struct net_device *wifidev;
1208 struct iw_statistics wstats; // wireless stats
1209 unsigned long scan_timeout; /* Time scan should be read */
1210 struct iw_spy_data spy_data;
1211 struct iw_public_data wireless_data;
1212 /* MIC stuff */
1213 struct crypto_cipher *tfm;
1214 mic_module mod[2];
1215 mic_statistics micstats;
1216 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1217 HostTxDesc txfids[MPI_MAX_FIDS];
1218 HostRidDesc config_desc;
1219 unsigned long ridbus; // phys addr of config_desc
1220 struct sk_buff_head txq;// tx queue used by mpi350 code
1221 struct pci_dev *pci;
1222 unsigned char __iomem *pcimem;
1223 unsigned char __iomem *pciaux;
1224 unsigned char *shared;
1225 dma_addr_t shared_dma;
1226 pm_message_t power;
1227 SsidRid *SSID;
1228 APListRid *APList;
1229 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1230 char proc_name[IFNAMSIZ];
1231
1232 /* WPA-related stuff */
1233 unsigned int bssListFirst;
1234 unsigned int bssListNext;
1235 unsigned int bssListRidLen;
1236
1237 struct list_head network_list;
1238 struct list_head network_free_list;
1239 BSSListElement *networks;
1240 };
1241
1242 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1243 int whichbap)
1244 {
1245 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1246 }
1247
1248 static int setup_proc_entry( struct net_device *dev,
1249 struct airo_info *apriv );
1250 static int takedown_proc_entry( struct net_device *dev,
1251 struct airo_info *apriv );
1252
1253 static int cmdreset(struct airo_info *ai);
1254 static int setflashmode (struct airo_info *ai);
1255 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1256 static int flashputbuf(struct airo_info *ai);
1257 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1258
1259 #define airo_print(type, name, fmt, args...) \
1260 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1261
1262 #define airo_print_info(name, fmt, args...) \
1263 airo_print(KERN_INFO, name, fmt, ##args)
1264
1265 #define airo_print_dbg(name, fmt, args...) \
1266 airo_print(KERN_DEBUG, name, fmt, ##args)
1267
1268 #define airo_print_warn(name, fmt, args...) \
1269 airo_print(KERN_WARNING, name, fmt, ##args)
1270
1271 #define airo_print_err(name, fmt, args...) \
1272 airo_print(KERN_ERR, name, fmt, ##args)
1273
1274
1275 /***********************************************************************
1276 * MIC ROUTINES *
1277 ***********************************************************************
1278 */
1279
1280 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1281 static void MoveWindow(miccntx *context, u32 micSeq);
1282 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1283 struct crypto_cipher *tfm);
1284 static void emmh32_init(emmh32_context *context);
1285 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1286 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1287 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1288
1289 /* micinit - Initialize mic seed */
1290
1291 static void micinit(struct airo_info *ai)
1292 {
1293 MICRid mic_rid;
1294
1295 clear_bit(JOB_MIC, &ai->jobs);
1296 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1297 up(&ai->sem);
1298
1299 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1300
1301 if (ai->micstats.enabled) {
1302 /* Key must be valid and different */
1303 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1304 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1305 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1306 /* Age current mic Context */
1307 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1308 /* Initialize new context */
1309 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1310 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1311 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1312 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1313 ai->mod[0].mCtx.valid = 1; //Key is now valid
1314
1315 /* Give key to mic seed */
1316 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1317 }
1318
1319 /* Key must be valid and different */
1320 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1321 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1322 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1323 /* Age current mic Context */
1324 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1325 /* Initialize new context */
1326 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1327
1328 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1329 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1330 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1331 ai->mod[0].uCtx.valid = 1; //Key is now valid
1332
1333 //Give key to mic seed
1334 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1335 }
1336 } else {
1337 /* So next time we have a valid key and mic is enabled, we will update
1338 * the sequence number if the key is the same as before.
1339 */
1340 ai->mod[0].uCtx.valid = 0;
1341 ai->mod[0].mCtx.valid = 0;
1342 }
1343 }
1344
1345 /* micsetup - Get ready for business */
1346
1347 static int micsetup(struct airo_info *ai) {
1348 int i;
1349
1350 if (ai->tfm == NULL)
1351 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1352
1353 if (IS_ERR(ai->tfm)) {
1354 airo_print_err(ai->dev->name, "failed to load transform for AES");
1355 ai->tfm = NULL;
1356 return ERROR;
1357 }
1358
1359 for (i=0; i < NUM_MODULES; i++) {
1360 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1361 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1362 }
1363 return SUCCESS;
1364 }
1365
1366 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1367
1368 /*===========================================================================
1369 * Description: Mic a packet
1370 *
1371 * Inputs: etherHead * pointer to an 802.3 frame
1372 *
1373 * Returns: BOOLEAN if successful, otherwise false.
1374 * PacketTxLen will be updated with the mic'd packets size.
1375 *
1376 * Caveats: It is assumed that the frame buffer will already
1377 * be big enough to hold the largets mic message possible.
1378 * (No memory allocation is done here).
1379 *
1380 * Author: sbraneky (10/15/01)
1381 * Merciless hacks by rwilcher (1/14/02)
1382 */
1383
1384 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1385 {
1386 miccntx *context;
1387
1388 // Determine correct context
1389 // If not adhoc, always use unicast key
1390
1391 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1392 context = &ai->mod[0].mCtx;
1393 else
1394 context = &ai->mod[0].uCtx;
1395
1396 if (!context->valid)
1397 return ERROR;
1398
1399 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1400
1401 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1402
1403 // Add Tx sequence
1404 mic->seq = htonl(context->tx);
1405 context->tx += 2;
1406
1407 emmh32_init(&context->seed); // Mic the packet
1408 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1409 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1410 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1411 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1412 emmh32_final(&context->seed, (u8*)&mic->mic);
1413
1414 /* New Type/length ?????????? */
1415 mic->typelen = 0; //Let NIC know it could be an oversized packet
1416 return SUCCESS;
1417 }
1418
1419 typedef enum {
1420 NONE,
1421 NOMIC,
1422 NOMICPLUMMED,
1423 SEQUENCE,
1424 INCORRECTMIC,
1425 } mic_error;
1426
1427 /*===========================================================================
1428 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1429 * (removes the MIC stuff) if packet is a valid packet.
1430 *
1431 * Inputs: etherHead pointer to the 802.3 packet
1432 *
1433 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1434 *
1435 * Author: sbraneky (10/15/01)
1436 * Merciless hacks by rwilcher (1/14/02)
1437 *---------------------------------------------------------------------------
1438 */
1439
1440 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1441 {
1442 int i;
1443 u32 micSEQ;
1444 miccntx *context;
1445 u8 digest[4];
1446 mic_error micError = NONE;
1447
1448 // Check if the packet is a Mic'd packet
1449
1450 if (!ai->micstats.enabled) {
1451 //No Mic set or Mic OFF but we received a MIC'd packet.
1452 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1453 ai->micstats.rxMICPlummed++;
1454 return ERROR;
1455 }
1456 return SUCCESS;
1457 }
1458
1459 if (ntohs(mic->typelen) == 0x888E)
1460 return SUCCESS;
1461
1462 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1463 // Mic enabled but packet isn't Mic'd
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1466 }
1467
1468 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1469
1470 //At this point we a have a mic'd packet and mic is enabled
1471 //Now do the mic error checking.
1472
1473 //Receive seq must be odd
1474 if ( (micSEQ & 1) == 0 ) {
1475 ai->micstats.rxWrongSequence++;
1476 return ERROR;
1477 }
1478
1479 for (i = 0; i < NUM_MODULES; i++) {
1480 int mcast = eth->da[0] & 1;
1481 //Determine proper context
1482 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1483
1484 //Make sure context is valid
1485 if (!context->valid) {
1486 if (i == 0)
1487 micError = NOMICPLUMMED;
1488 continue;
1489 }
1490 //DeMic it
1491
1492 if (!mic->typelen)
1493 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1494
1495 emmh32_init(&context->seed);
1496 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1497 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1498 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1499 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1500 //Calculate MIC
1501 emmh32_final(&context->seed, digest);
1502
1503 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1504 //Invalid Mic
1505 if (i == 0)
1506 micError = INCORRECTMIC;
1507 continue;
1508 }
1509
1510 //Check Sequence number if mics pass
1511 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1512 ai->micstats.rxSuccess++;
1513 return SUCCESS;
1514 }
1515 if (i == 0)
1516 micError = SEQUENCE;
1517 }
1518
1519 // Update statistics
1520 switch (micError) {
1521 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1522 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1523 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1524 case NONE: break;
1525 case NOMIC: break;
1526 }
1527 return ERROR;
1528 }
1529
1530 /*===========================================================================
1531 * Description: Checks the Rx Seq number to make sure it is valid
1532 * and hasn't already been received
1533 *
1534 * Inputs: miccntx - mic context to check seq against
1535 * micSeq - the Mic seq number
1536 *
1537 * Returns: TRUE if valid otherwise FALSE.
1538 *
1539 * Author: sbraneky (10/15/01)
1540 * Merciless hacks by rwilcher (1/14/02)
1541 *---------------------------------------------------------------------------
1542 */
1543
1544 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1545 {
1546 u32 seq,index;
1547
1548 //Allow for the ap being rebooted - if it is then use the next
1549 //sequence number of the current sequence number - might go backwards
1550
1551 if (mcast) {
1552 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33;
1555 context->rx = 0; // Reset rx
1556 }
1557 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1558 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1559 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1560 context->rx = 0; // Reset rx
1561 }
1562
1563 //Make sequence number relative to START of window
1564 seq = micSeq - (context->window - 33);
1565
1566 //Too old of a SEQ number to check.
1567 if ((s32)seq < 0)
1568 return ERROR;
1569
1570 if ( seq > 64 ) {
1571 //Window is infinite forward
1572 MoveWindow(context,micSeq);
1573 return SUCCESS;
1574 }
1575
1576 // We are in the window. Now check the context rx bit to see if it was already sent
1577 seq >>= 1; //divide by 2 because we only have odd numbers
1578 index = 1 << seq; //Get an index number
1579
1580 if (!(context->rx & index)) {
1581 //micSEQ falls inside the window.
1582 //Add seqence number to the list of received numbers.
1583 context->rx |= index;
1584
1585 MoveWindow(context,micSeq);
1586
1587 return SUCCESS;
1588 }
1589 return ERROR;
1590 }
1591
1592 static void MoveWindow(miccntx *context, u32 micSeq)
1593 {
1594 u32 shift;
1595
1596 //Move window if seq greater than the middle of the window
1597 if (micSeq > context->window) {
1598 shift = (micSeq - context->window) >> 1;
1599
1600 //Shift out old
1601 if (shift < 32)
1602 context->rx >>= shift;
1603 else
1604 context->rx = 0;
1605
1606 context->window = micSeq; //Move window
1607 }
1608 }
1609
1610 /*==============================================*/
1611 /*========== EMMH ROUTINES ====================*/
1612 /*==============================================*/
1613
1614 /* mic accumulate */
1615 #define MIC_ACCUM(val) \
1616 context->accum += (u64)(val) * context->coeff[coeff_position++];
1617
1618 static unsigned char aes_counter[16];
1619
1620 /* expand the key to fill the MMH coefficient array */
1621 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1622 struct crypto_cipher *tfm)
1623 {
1624 /* take the keying material, expand if necessary, truncate at 16-bytes */
1625 /* run through AES counter mode to generate context->coeff[] */
1626
1627 int i,j;
1628 u32 counter;
1629 u8 *cipher, plain[16];
1630
1631 crypto_cipher_setkey(tfm, pkey, 16);
1632 counter = 0;
1633 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1634 aes_counter[15] = (u8)(counter >> 0);
1635 aes_counter[14] = (u8)(counter >> 8);
1636 aes_counter[13] = (u8)(counter >> 16);
1637 aes_counter[12] = (u8)(counter >> 24);
1638 counter++;
1639 memcpy (plain, aes_counter, 16);
1640 crypto_cipher_encrypt_one(tfm, plain, plain);
1641 cipher = plain;
1642 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1643 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1644 j += 4;
1645 }
1646 }
1647 }
1648
1649 /* prepare for calculation of a new mic */
1650 static void emmh32_init(emmh32_context *context)
1651 {
1652 /* prepare for new mic calculation */
1653 context->accum = 0;
1654 context->position = 0;
1655 }
1656
1657 /* add some bytes to the mic calculation */
1658 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1659 {
1660 int coeff_position, byte_position;
1661
1662 if (len == 0) return;
1663
1664 coeff_position = context->position >> 2;
1665
1666 /* deal with partial 32-bit word left over from last update */
1667 byte_position = context->position & 3;
1668 if (byte_position) {
1669 /* have a partial word in part to deal with */
1670 do {
1671 if (len == 0) return;
1672 context->part.d8[byte_position++] = *pOctets++;
1673 context->position++;
1674 len--;
1675 } while (byte_position < 4);
1676 MIC_ACCUM(ntohl(context->part.d32));
1677 }
1678
1679 /* deal with full 32-bit words */
1680 while (len >= 4) {
1681 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1682 context->position += 4;
1683 pOctets += 4;
1684 len -= 4;
1685 }
1686
1687 /* deal with partial 32-bit word that will be left over from this update */
1688 byte_position = 0;
1689 while (len > 0) {
1690 context->part.d8[byte_position++] = *pOctets++;
1691 context->position++;
1692 len--;
1693 }
1694 }
1695
1696 /* mask used to zero empty bytes for final partial word */
1697 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1698
1699 /* calculate the mic */
1700 static void emmh32_final(emmh32_context *context, u8 digest[4])
1701 {
1702 int coeff_position, byte_position;
1703 u32 val;
1704
1705 u64 sum, utmp;
1706 s64 stmp;
1707
1708 coeff_position = context->position >> 2;
1709
1710 /* deal with partial 32-bit word left over from last update */
1711 byte_position = context->position & 3;
1712 if (byte_position) {
1713 /* have a partial word in part to deal with */
1714 val = ntohl(context->part.d32);
1715 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1716 }
1717
1718 /* reduce the accumulated u64 to a 32-bit MIC */
1719 sum = context->accum;
1720 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1721 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1722 sum = utmp & 0xffffffffLL;
1723 if (utmp > 0x10000000fLL)
1724 sum -= 15;
1725
1726 val = (u32)sum;
1727 digest[0] = (val>>24) & 0xFF;
1728 digest[1] = (val>>16) & 0xFF;
1729 digest[2] = (val>>8) & 0xFF;
1730 digest[3] = val & 0xFF;
1731 }
1732
1733 static int readBSSListRid(struct airo_info *ai, int first,
1734 BSSListRid *list)
1735 {
1736 Cmd cmd;
1737 Resp rsp;
1738
1739 if (first == 1) {
1740 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1741 memset(&cmd, 0, sizeof(cmd));
1742 cmd.cmd=CMD_LISTBSS;
1743 if (down_interruptible(&ai->sem))
1744 return -ERESTARTSYS;
1745 ai->list_bss_task = current;
1746 issuecommand(ai, &cmd, &rsp);
1747 up(&ai->sem);
1748 /* Let the command take effect */
1749 schedule_timeout_uninterruptible(3 * HZ);
1750 ai->list_bss_task = NULL;
1751 }
1752 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1753 list, ai->bssListRidLen, 1);
1754 }
1755
1756 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1757 {
1758 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1759 wkr, sizeof(*wkr), lock);
1760 }
1761
1762 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1763 {
1764 int rc;
1765 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1766 if (rc!=SUCCESS)
1767 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1768 if (perm) {
1769 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1770 if (rc!=SUCCESS)
1771 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1772 }
1773 return rc;
1774 }
1775
1776 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1777 {
1778 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1779 }
1780
1781 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1782 {
1783 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1784 }
1785
1786 static int readConfigRid(struct airo_info *ai, int lock)
1787 {
1788 int rc;
1789 ConfigRid cfg;
1790
1791 if (ai->config.len)
1792 return SUCCESS;
1793
1794 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1795 if (rc != SUCCESS)
1796 return rc;
1797
1798 ai->config = cfg;
1799 return SUCCESS;
1800 }
1801
1802 static inline void checkThrottle(struct airo_info *ai)
1803 {
1804 int i;
1805 /* Old hardware had a limit on encryption speed */
1806 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1807 for(i=0; i<8; i++) {
1808 if (ai->config.rates[i] > maxencrypt) {
1809 ai->config.rates[i] = 0;
1810 }
1811 }
1812 }
1813 }
1814
1815 static int writeConfigRid(struct airo_info *ai, int lock)
1816 {
1817 ConfigRid cfgr;
1818
1819 if (!test_bit (FLAG_COMMIT, &ai->flags))
1820 return SUCCESS;
1821
1822 clear_bit (FLAG_COMMIT, &ai->flags);
1823 clear_bit (FLAG_RESET, &ai->flags);
1824 checkThrottle(ai);
1825 cfgr = ai->config;
1826
1827 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1828 set_bit(FLAG_ADHOC, &ai->flags);
1829 else
1830 clear_bit(FLAG_ADHOC, &ai->flags);
1831
1832 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1833 }
1834
1835 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1836 {
1837 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1838 }
1839
1840 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1841 {
1842 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1843 }
1844
1845 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1846 {
1847 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1848 }
1849
1850 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1851 {
1852 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1853 }
1854
1855 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1856 {
1857 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1858 }
1859
1860 static void try_auto_wep(struct airo_info *ai)
1861 {
1862 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1863 ai->expires = RUN_AT(3*HZ);
1864 wake_up_interruptible(&ai->thr_wait);
1865 }
1866 }
1867
1868 static int airo_open(struct net_device *dev) {
1869 struct airo_info *ai = dev->priv;
1870 int rc = 0;
1871
1872 if (test_bit(FLAG_FLASHING, &ai->flags))
1873 return -EIO;
1874
1875 /* Make sure the card is configured.
1876 * Wireless Extensions may postpone config changes until the card
1877 * is open (to pipeline changes and speed-up card setup). If
1878 * those changes are not yet commited, do it now - Jean II */
1879 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1880 disable_MAC(ai, 1);
1881 writeConfigRid(ai, 1);
1882 }
1883
1884 if (ai->wifidev != dev) {
1885 clear_bit(JOB_DIE, &ai->jobs);
1886 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1887 if (IS_ERR(ai->airo_thread_task))
1888 return (int)PTR_ERR(ai->airo_thread_task);
1889
1890 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1891 dev->name, dev);
1892 if (rc) {
1893 airo_print_err(dev->name,
1894 "register interrupt %d failed, rc %d",
1895 dev->irq, rc);
1896 set_bit(JOB_DIE, &ai->jobs);
1897 kthread_stop(ai->airo_thread_task);
1898 return rc;
1899 }
1900
1901 /* Power on the MAC controller (which may have been disabled) */
1902 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1903 enable_interrupts(ai);
1904
1905 try_auto_wep(ai);
1906 }
1907 enable_MAC(ai, 1);
1908
1909 netif_start_queue(dev);
1910 return 0;
1911 }
1912
1913 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1914 int npacks, pending;
1915 unsigned long flags;
1916 struct airo_info *ai = dev->priv;
1917
1918 if (!skb) {
1919 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1920 return 0;
1921 }
1922 npacks = skb_queue_len (&ai->txq);
1923
1924 if (npacks >= MAXTXQ - 1) {
1925 netif_stop_queue (dev);
1926 if (npacks > MAXTXQ) {
1927 ai->stats.tx_fifo_errors++;
1928 return 1;
1929 }
1930 skb_queue_tail (&ai->txq, skb);
1931 return 0;
1932 }
1933
1934 spin_lock_irqsave(&ai->aux_lock, flags);
1935 skb_queue_tail (&ai->txq, skb);
1936 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1937 spin_unlock_irqrestore(&ai->aux_lock,flags);
1938 netif_wake_queue (dev);
1939
1940 if (pending == 0) {
1941 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1942 mpi_send_packet (dev);
1943 }
1944 return 0;
1945 }
1946
1947 /*
1948 * @mpi_send_packet
1949 *
1950 * Attempt to transmit a packet. Can be called from interrupt
1951 * or transmit . return number of packets we tried to send
1952 */
1953
1954 static int mpi_send_packet (struct net_device *dev)
1955 {
1956 struct sk_buff *skb;
1957 unsigned char *buffer;
1958 s16 len;
1959 __le16 *payloadLen;
1960 struct airo_info *ai = dev->priv;
1961 u8 *sendbuf;
1962
1963 /* get a packet to send */
1964
1965 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1966 airo_print_err(dev->name,
1967 "%s: Dequeue'd zero in send_packet()",
1968 __FUNCTION__);
1969 return 0;
1970 }
1971
1972 /* check min length*/
1973 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1974 buffer = skb->data;
1975
1976 ai->txfids[0].tx_desc.offset = 0;
1977 ai->txfids[0].tx_desc.valid = 1;
1978 ai->txfids[0].tx_desc.eoc = 1;
1979 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1980
1981 /*
1982 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1983 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1984 * is immediatly after it. ------------------------------------------------
1985 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1986 * ------------------------------------------------
1987 */
1988
1989 memcpy((char *)ai->txfids[0].virtual_host_addr,
1990 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1991
1992 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
1993 sizeof(wifictlhdr8023));
1994 sendbuf = ai->txfids[0].virtual_host_addr +
1995 sizeof(wifictlhdr8023) + 2 ;
1996
1997 /*
1998 * Firmware automaticly puts 802 header on so
1999 * we don't need to account for it in the length
2000 */
2001 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2002 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2003 MICBuffer pMic;
2004
2005 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2006 return ERROR;
2007
2008 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2009 ai->txfids[0].tx_desc.len += sizeof(pMic);
2010 /* copy data into airo dma buffer */
2011 memcpy (sendbuf, buffer, sizeof(etherHead));
2012 buffer += sizeof(etherHead);
2013 sendbuf += sizeof(etherHead);
2014 memcpy (sendbuf, &pMic, sizeof(pMic));
2015 sendbuf += sizeof(pMic);
2016 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2017 } else {
2018 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2019
2020 dev->trans_start = jiffies;
2021
2022 /* copy data into airo dma buffer */
2023 memcpy(sendbuf, buffer, len);
2024 }
2025
2026 memcpy_toio(ai->txfids[0].card_ram_off,
2027 &ai->txfids[0].tx_desc, sizeof(TxFid));
2028
2029 OUT4500(ai, EVACK, 8);
2030
2031 dev_kfree_skb_any(skb);
2032 return 1;
2033 }
2034
2035 static void get_tx_error(struct airo_info *ai, s32 fid)
2036 {
2037 __le16 status;
2038
2039 if (fid < 0)
2040 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2041 else {
2042 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2043 return;
2044 bap_read(ai, &status, 2, BAP0);
2045 }
2046 if (le16_to_cpu(status) & 2) /* Too many retries */
2047 ai->stats.tx_aborted_errors++;
2048 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2049 ai->stats.tx_heartbeat_errors++;
2050 if (le16_to_cpu(status) & 8) /* Aid fail */
2051 { }
2052 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2053 ai->stats.tx_carrier_errors++;
2054 if (le16_to_cpu(status) & 0x20) /* Association lost */
2055 { }
2056 /* We produce a TXDROP event only for retry or lifetime
2057 * exceeded, because that's the only status that really mean
2058 * that this particular node went away.
2059 * Other errors means that *we* screwed up. - Jean II */
2060 if ((le16_to_cpu(status) & 2) ||
2061 (le16_to_cpu(status) & 4)) {
2062 union iwreq_data wrqu;
2063 char junk[0x18];
2064
2065 /* Faster to skip over useless data than to do
2066 * another bap_setup(). We are at offset 0x6 and
2067 * need to go to 0x18 and read 6 bytes - Jean II */
2068 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2069
2070 /* Copy 802.11 dest address.
2071 * We use the 802.11 header because the frame may
2072 * not be 802.3 or may be mangled...
2073 * In Ad-Hoc mode, it will be the node address.
2074 * In managed mode, it will be most likely the AP addr
2075 * User space will figure out how to convert it to
2076 * whatever it needs (IP address or else).
2077 * - Jean II */
2078 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2079 wrqu.addr.sa_family = ARPHRD_ETHER;
2080
2081 /* Send event to user space */
2082 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2083 }
2084 }
2085
2086 static void airo_end_xmit(struct net_device *dev) {
2087 u16 status;
2088 int i;
2089 struct airo_info *priv = dev->priv;
2090 struct sk_buff *skb = priv->xmit.skb;
2091 int fid = priv->xmit.fid;
2092 u32 *fids = priv->fids;
2093
2094 clear_bit(JOB_XMIT, &priv->jobs);
2095 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2096 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2097 up(&priv->sem);
2098
2099 i = 0;
2100 if ( status == SUCCESS ) {
2101 dev->trans_start = jiffies;
2102 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2103 } else {
2104 priv->fids[fid] &= 0xffff;
2105 priv->stats.tx_window_errors++;
2106 }
2107 if (i < MAX_FIDS / 2)
2108 netif_wake_queue(dev);
2109 dev_kfree_skb(skb);
2110 }
2111
2112 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2113 s16 len;
2114 int i, j;
2115 struct airo_info *priv = dev->priv;
2116 u32 *fids = priv->fids;
2117
2118 if ( skb == NULL ) {
2119 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2120 return 0;
2121 }
2122
2123 /* Find a vacant FID */
2124 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2125 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2126
2127 if ( j >= MAX_FIDS / 2 ) {
2128 netif_stop_queue(dev);
2129
2130 if (i == MAX_FIDS / 2) {
2131 priv->stats.tx_fifo_errors++;
2132 return 1;
2133 }
2134 }
2135 /* check min length*/
2136 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2137 /* Mark fid as used & save length for later */
2138 fids[i] |= (len << 16);
2139 priv->xmit.skb = skb;
2140 priv->xmit.fid = i;
2141 if (down_trylock(&priv->sem) != 0) {
2142 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2143 netif_stop_queue(dev);
2144 set_bit(JOB_XMIT, &priv->jobs);
2145 wake_up_interruptible(&priv->thr_wait);
2146 } else
2147 airo_end_xmit(dev);
2148 return 0;
2149 }
2150
2151 static void airo_end_xmit11(struct net_device *dev) {
2152 u16 status;
2153 int i;
2154 struct airo_info *priv = dev->priv;
2155 struct sk_buff *skb = priv->xmit11.skb;
2156 int fid = priv->xmit11.fid;
2157 u32 *fids = priv->fids;
2158
2159 clear_bit(JOB_XMIT11, &priv->jobs);
2160 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2161 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2162 up(&priv->sem);
2163
2164 i = MAX_FIDS / 2;
2165 if ( status == SUCCESS ) {
2166 dev->trans_start = jiffies;
2167 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2168 } else {
2169 priv->fids[fid] &= 0xffff;
2170 priv->stats.tx_window_errors++;
2171 }
2172 if (i < MAX_FIDS)
2173 netif_wake_queue(dev);
2174 dev_kfree_skb(skb);
2175 }
2176
2177 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2178 s16 len;
2179 int i, j;
2180 struct airo_info *priv = dev->priv;
2181 u32 *fids = priv->fids;
2182
2183 if (test_bit(FLAG_MPI, &priv->flags)) {
2184 /* Not implemented yet for MPI350 */
2185 netif_stop_queue(dev);
2186 return -ENETDOWN;
2187 }
2188
2189 if ( skb == NULL ) {
2190 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2191 return 0;
2192 }
2193
2194 /* Find a vacant FID */
2195 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2196 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2197
2198 if ( j >= MAX_FIDS ) {
2199 netif_stop_queue(dev);
2200
2201 if (i == MAX_FIDS) {
2202 priv->stats.tx_fifo_errors++;
2203 return 1;
2204 }
2205 }
2206 /* check min length*/
2207 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2208 /* Mark fid as used & save length for later */
2209 fids[i] |= (len << 16);
2210 priv->xmit11.skb = skb;
2211 priv->xmit11.fid = i;
2212 if (down_trylock(&priv->sem) != 0) {
2213 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2214 netif_stop_queue(dev);
2215 set_bit(JOB_XMIT11, &priv->jobs);
2216 wake_up_interruptible(&priv->thr_wait);
2217 } else
2218 airo_end_xmit11(dev);
2219 return 0;
2220 }
2221
2222 static void airo_read_stats(struct airo_info *ai)
2223 {
2224 StatsRid stats_rid;
2225 __le32 *vals = stats_rid.vals;
2226
2227 clear_bit(JOB_STATS, &ai->jobs);
2228 if (ai->power.event) {
2229 up(&ai->sem);
2230 return;
2231 }
2232 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2233 up(&ai->sem);
2234
2235 ai->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2236 le32_to_cpu(vals[45]);
2237 ai->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2238 le32_to_cpu(vals[41]);
2239 ai->stats.rx_bytes = le32_to_cpu(vals[92]);
2240 ai->stats.tx_bytes = le32_to_cpu(vals[91]);
2241 ai->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2242 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2243 ai->stats.tx_errors = le32_to_cpu(vals[42]) + ai->stats.tx_fifo_errors;
2244 ai->stats.multicast = le32_to_cpu(vals[43]);
2245 ai->stats.collisions = le32_to_cpu(vals[89]);
2246
2247 /* detailed rx_errors: */
2248 ai->stats.rx_length_errors = le32_to_cpu(vals[3]);
2249 ai->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2250 ai->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2251 ai->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2252 }
2253
2254 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2255 {
2256 struct airo_info *local = dev->priv;
2257
2258 if (!test_bit(JOB_STATS, &local->jobs)) {
2259 /* Get stats out of the card if available */
2260 if (down_trylock(&local->sem) != 0) {
2261 set_bit(JOB_STATS, &local->jobs);
2262 wake_up_interruptible(&local->thr_wait);
2263 } else
2264 airo_read_stats(local);
2265 }
2266
2267 return &local->stats;
2268 }
2269
2270 static void airo_set_promisc(struct airo_info *ai) {
2271 Cmd cmd;
2272 Resp rsp;
2273
2274 memset(&cmd, 0, sizeof(cmd));
2275 cmd.cmd=CMD_SETMODE;
2276 clear_bit(JOB_PROMISC, &ai->jobs);
2277 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2278 issuecommand(ai, &cmd, &rsp);
2279 up(&ai->sem);
2280 }
2281
2282 static void airo_set_multicast_list(struct net_device *dev) {
2283 struct airo_info *ai = dev->priv;
2284
2285 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2286 change_bit(FLAG_PROMISC, &ai->flags);
2287 if (down_trylock(&ai->sem) != 0) {
2288 set_bit(JOB_PROMISC, &ai->jobs);
2289 wake_up_interruptible(&ai->thr_wait);
2290 } else
2291 airo_set_promisc(ai);
2292 }
2293
2294 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2295 /* Turn on multicast. (Should be already setup...) */
2296 }
2297 }
2298
2299 static int airo_set_mac_address(struct net_device *dev, void *p)
2300 {
2301 struct airo_info *ai = dev->priv;
2302 struct sockaddr *addr = p;
2303
2304 readConfigRid(ai, 1);
2305 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2306 set_bit (FLAG_COMMIT, &ai->flags);
2307 disable_MAC(ai, 1);
2308 writeConfigRid (ai, 1);
2309 enable_MAC(ai, 1);
2310 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2311 if (ai->wifidev)
2312 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2313 return 0;
2314 }
2315
2316 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2317 {
2318 if ((new_mtu < 68) || (new_mtu > 2400))
2319 return -EINVAL;
2320 dev->mtu = new_mtu;
2321 return 0;
2322 }
2323
2324 static LIST_HEAD(airo_devices);
2325
2326 static void add_airo_dev(struct airo_info *ai)
2327 {
2328 /* Upper layers already keep track of PCI devices,
2329 * so we only need to remember our non-PCI cards. */
2330 if (!ai->pci)
2331 list_add_tail(&ai->dev_list, &airo_devices);
2332 }
2333
2334 static void del_airo_dev(struct airo_info *ai)
2335 {
2336 if (!ai->pci)
2337 list_del(&ai->dev_list);
2338 }
2339
2340 static int airo_close(struct net_device *dev) {
2341 struct airo_info *ai = dev->priv;
2342
2343 netif_stop_queue(dev);
2344
2345 if (ai->wifidev != dev) {
2346 #ifdef POWER_ON_DOWN
2347 /* Shut power to the card. The idea is that the user can save
2348 * power when he doesn't need the card with "ifconfig down".
2349 * That's the method that is most friendly towards the network
2350 * stack (i.e. the network stack won't try to broadcast
2351 * anything on the interface and routes are gone. Jean II */
2352 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2353 disable_MAC(ai, 1);
2354 #endif
2355 disable_interrupts( ai );
2356
2357 free_irq(dev->irq, dev);
2358
2359 set_bit(JOB_DIE, &ai->jobs);
2360 kthread_stop(ai->airo_thread_task);
2361 }
2362 return 0;
2363 }
2364
2365 void stop_airo_card( struct net_device *dev, int freeres )
2366 {
2367 struct airo_info *ai = dev->priv;
2368
2369 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2370 disable_MAC(ai, 1);
2371 disable_interrupts(ai);
2372 takedown_proc_entry( dev, ai );
2373 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2374 unregister_netdev( dev );
2375 if (ai->wifidev) {
2376 unregister_netdev(ai->wifidev);
2377 free_netdev(ai->wifidev);
2378 ai->wifidev = NULL;
2379 }
2380 clear_bit(FLAG_REGISTERED, &ai->flags);
2381 }
2382 /*
2383 * Clean out tx queue
2384 */
2385 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2386 struct sk_buff *skb = NULL;
2387 for (;(skb = skb_dequeue(&ai->txq));)
2388 dev_kfree_skb(skb);
2389 }
2390
2391 airo_networks_free (ai);
2392
2393 kfree(ai->flash);
2394 kfree(ai->rssi);
2395 kfree(ai->APList);
2396 kfree(ai->SSID);
2397 if (freeres) {
2398 /* PCMCIA frees this stuff, so only for PCI and ISA */
2399 release_region( dev->base_addr, 64 );
2400 if (test_bit(FLAG_MPI, &ai->flags)) {
2401 if (ai->pci)
2402 mpi_unmap_card(ai->pci);
2403 if (ai->pcimem)
2404 iounmap(ai->pcimem);
2405 if (ai->pciaux)
2406 iounmap(ai->pciaux);
2407 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2408 ai->shared, ai->shared_dma);
2409 }
2410 }
2411 crypto_free_cipher(ai->tfm);
2412 del_airo_dev(ai);
2413 free_netdev( dev );
2414 }
2415
2416 EXPORT_SYMBOL(stop_airo_card);
2417
2418 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2419 {
2420 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2421 return ETH_ALEN;
2422 }
2423
2424 static void mpi_unmap_card(struct pci_dev *pci)
2425 {
2426 unsigned long mem_start = pci_resource_start(pci, 1);
2427 unsigned long mem_len = pci_resource_len(pci, 1);
2428 unsigned long aux_start = pci_resource_start(pci, 2);
2429 unsigned long aux_len = AUXMEMSIZE;
2430
2431 release_mem_region(aux_start, aux_len);
2432 release_mem_region(mem_start, mem_len);
2433 }
2434
2435 /*************************************************************
2436 * This routine assumes that descriptors have been setup .
2437 * Run at insmod time or after reset when the decriptors
2438 * have been initialized . Returns 0 if all is well nz
2439 * otherwise . Does not allocate memory but sets up card
2440 * using previously allocated descriptors.
2441 */
2442 static int mpi_init_descriptors (struct airo_info *ai)
2443 {
2444 Cmd cmd;
2445 Resp rsp;
2446 int i;
2447 int rc = SUCCESS;
2448
2449 /* Alloc card RX descriptors */
2450 netif_stop_queue(ai->dev);
2451
2452 memset(&rsp,0,sizeof(rsp));
2453 memset(&cmd,0,sizeof(cmd));
2454
2455 cmd.cmd = CMD_ALLOCATEAUX;
2456 cmd.parm0 = FID_RX;
2457 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2458 cmd.parm2 = MPI_MAX_FIDS;
2459 rc=issuecommand(ai, &cmd, &rsp);
2460 if (rc != SUCCESS) {
2461 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2462 return rc;
2463 }
2464
2465 for (i=0; i<MPI_MAX_FIDS; i++) {
2466 memcpy_toio(ai->rxfids[i].card_ram_off,
2467 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2468 }
2469
2470 /* Alloc card TX descriptors */
2471
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2474
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_TX;
2477 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479
2480 for (i=0; i<MPI_MAX_FIDS; i++) {
2481 ai->txfids[i].tx_desc.valid = 1;
2482 memcpy_toio(ai->txfids[i].card_ram_off,
2483 &ai->txfids[i].tx_desc, sizeof(TxFid));
2484 }
2485 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2486
2487 rc=issuecommand(ai, &cmd, &rsp);
2488 if (rc != SUCCESS) {
2489 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2490 return rc;
2491 }
2492
2493 /* Alloc card Rid descriptor */
2494 memset(&rsp,0,sizeof(rsp));
2495 memset(&cmd,0,sizeof(cmd));
2496
2497 cmd.cmd = CMD_ALLOCATEAUX;
2498 cmd.parm0 = RID_RW;
2499 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2500 cmd.parm2 = 1; /* Magic number... */
2501 rc=issuecommand(ai, &cmd, &rsp);
2502 if (rc != SUCCESS) {
2503 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2504 return rc;
2505 }
2506
2507 memcpy_toio(ai->config_desc.card_ram_off,
2508 &ai->config_desc.rid_desc, sizeof(Rid));
2509
2510 return rc;
2511 }
2512
2513 /*
2514 * We are setting up three things here:
2515 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2516 * 2) Map PCI memory for issueing commands.
2517 * 3) Allocate memory (shared) to send and receive ethernet frames.
2518 */
2519 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2520 {
2521 unsigned long mem_start, mem_len, aux_start, aux_len;
2522 int rc = -1;
2523 int i;
2524 dma_addr_t busaddroff;
2525 unsigned char *vpackoff;
2526 unsigned char __iomem *pciaddroff;
2527
2528 mem_start = pci_resource_start(pci, 1);
2529 mem_len = pci_resource_len(pci, 1);
2530 aux_start = pci_resource_start(pci, 2);
2531 aux_len = AUXMEMSIZE;
2532
2533 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2534 airo_print_err("", "Couldn't get region %x[%x]",
2535 (int)mem_start, (int)mem_len);
2536 goto out;
2537 }
2538 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2539 airo_print_err("", "Couldn't get region %x[%x]",
2540 (int)aux_start, (int)aux_len);
2541 goto free_region1;
2542 }
2543
2544 ai->pcimem = ioremap(mem_start, mem_len);
2545 if (!ai->pcimem) {
2546 airo_print_err("", "Couldn't map region %x[%x]",
2547 (int)mem_start, (int)mem_len);
2548 goto free_region2;
2549 }
2550 ai->pciaux = ioremap(aux_start, aux_len);
2551 if (!ai->pciaux) {
2552 airo_print_err("", "Couldn't map region %x[%x]",
2553 (int)aux_start, (int)aux_len);
2554 goto free_memmap;
2555 }
2556
2557 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2558 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2559 if (!ai->shared) {
2560 airo_print_err("", "Couldn't alloc_consistent %d",
2561 PCI_SHARED_LEN);
2562 goto free_auxmap;
2563 }
2564
2565 /*
2566 * Setup descriptor RX, TX, CONFIG
2567 */
2568 busaddroff = ai->shared_dma;
2569 pciaddroff = ai->pciaux + AUX_OFFSET;
2570 vpackoff = ai->shared;
2571
2572 /* RX descriptor setup */
2573 for(i = 0; i < MPI_MAX_FIDS; i++) {
2574 ai->rxfids[i].pending = 0;
2575 ai->rxfids[i].card_ram_off = pciaddroff;
2576 ai->rxfids[i].virtual_host_addr = vpackoff;
2577 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2578 ai->rxfids[i].rx_desc.valid = 1;
2579 ai->rxfids[i].rx_desc.len = PKTSIZE;
2580 ai->rxfids[i].rx_desc.rdy = 0;
2581
2582 pciaddroff += sizeof(RxFid);
2583 busaddroff += PKTSIZE;
2584 vpackoff += PKTSIZE;
2585 }
2586
2587 /* TX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->txfids[i].card_ram_off = pciaddroff;
2590 ai->txfids[i].virtual_host_addr = vpackoff;
2591 ai->txfids[i].tx_desc.valid = 1;
2592 ai->txfids[i].tx_desc.host_addr = busaddroff;
2593 memcpy(ai->txfids[i].virtual_host_addr,
2594 &wifictlhdr8023, sizeof(wifictlhdr8023));
2595
2596 pciaddroff += sizeof(TxFid);
2597 busaddroff += PKTSIZE;
2598 vpackoff += PKTSIZE;
2599 }
2600 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2601
2602 /* Rid descriptor setup */
2603 ai->config_desc.card_ram_off = pciaddroff;
2604 ai->config_desc.virtual_host_addr = vpackoff;
2605 ai->config_desc.rid_desc.host_addr = busaddroff;
2606 ai->ridbus = busaddroff;
2607 ai->config_desc.rid_desc.rid = 0;
2608 ai->config_desc.rid_desc.len = RIDSIZE;
2609 ai->config_desc.rid_desc.valid = 1;
2610 pciaddroff += sizeof(Rid);
2611 busaddroff += RIDSIZE;
2612 vpackoff += RIDSIZE;
2613
2614 /* Tell card about descriptors */
2615 if (mpi_init_descriptors (ai) != SUCCESS)
2616 goto free_shared;
2617
2618 return 0;
2619 free_shared:
2620 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2621 free_auxmap:
2622 iounmap(ai->pciaux);
2623 free_memmap:
2624 iounmap(ai->pcimem);
2625 free_region2:
2626 release_mem_region(aux_start, aux_len);
2627 free_region1:
2628 release_mem_region(mem_start, mem_len);
2629 out:
2630 return rc;
2631 }
2632
2633 static const struct header_ops airo_header_ops = {
2634 .parse = wll_header_parse,
2635 };
2636
2637 static void wifi_setup(struct net_device *dev)
2638 {
2639 dev->header_ops = &airo_header_ops;
2640 dev->hard_start_xmit = &airo_start_xmit11;
2641 dev->get_stats = &airo_get_stats;
2642 dev->set_mac_address = &airo_set_mac_address;
2643 dev->do_ioctl = &airo_ioctl;
2644 dev->wireless_handlers = &airo_handler_def;
2645 dev->change_mtu = &airo_change_mtu;
2646 dev->open = &airo_open;
2647 dev->stop = &airo_close;
2648
2649 dev->type = ARPHRD_IEEE80211;
2650 dev->hard_header_len = ETH_HLEN;
2651 dev->mtu = AIRO_DEF_MTU;
2652 dev->addr_len = ETH_ALEN;
2653 dev->tx_queue_len = 100;
2654
2655 memset(dev->broadcast,0xFF, ETH_ALEN);
2656
2657 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2658 }
2659
2660 static struct net_device *init_wifidev(struct airo_info *ai,
2661 struct net_device *ethdev)
2662 {
2663 int err;
2664 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2665 if (!dev)
2666 return NULL;
2667 dev->priv = ethdev->priv;
2668 dev->irq = ethdev->irq;
2669 dev->base_addr = ethdev->base_addr;
2670 dev->wireless_data = ethdev->wireless_data;
2671 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2672 err = register_netdev(dev);
2673 if (err<0) {
2674 free_netdev(dev);
2675 return NULL;
2676 }
2677 return dev;
2678 }
2679
2680 static int reset_card( struct net_device *dev , int lock) {
2681 struct airo_info *ai = dev->priv;
2682
2683 if (lock && down_interruptible(&ai->sem))
2684 return -1;
2685 waitbusy (ai);
2686 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2687 msleep(200);
2688 waitbusy (ai);
2689 msleep(200);
2690 if (lock)
2691 up(&ai->sem);
2692 return 0;
2693 }
2694
2695 #define AIRO_MAX_NETWORK_COUNT 64
2696 static int airo_networks_allocate(struct airo_info *ai)
2697 {
2698 if (ai->networks)
2699 return 0;
2700
2701 ai->networks =
2702 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2703 GFP_KERNEL);
2704 if (!ai->networks) {
2705 airo_print_warn("", "Out of memory allocating beacons");
2706 return -ENOMEM;
2707 }
2708
2709 return 0;
2710 }
2711
2712 static void airo_networks_free(struct airo_info *ai)
2713 {
2714 kfree(ai->networks);
2715 ai->networks = NULL;
2716 }
2717
2718 static void airo_networks_initialize(struct airo_info *ai)
2719 {
2720 int i;
2721
2722 INIT_LIST_HEAD(&ai->network_free_list);
2723 INIT_LIST_HEAD(&ai->network_list);
2724 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2725 list_add_tail(&ai->networks[i].list,
2726 &ai->network_free_list);
2727 }
2728
2729 static int airo_test_wpa_capable(struct airo_info *ai)
2730 {
2731 int status;
2732 CapabilityRid cap_rid;
2733
2734 status = readCapabilityRid(ai, &cap_rid, 1);
2735 if (status != SUCCESS) return 0;
2736
2737 /* Only firmware versions 5.30.17 or better can do WPA */
2738 if (le16_to_cpu(cap_rid.softVer) > 0x530
2739 || (le16_to_cpu(cap_rid.softVer) == 0x530
2740 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2741 airo_print_info("", "WPA is supported.");
2742 return 1;
2743 }
2744
2745 /* No WPA support */
2746 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2747 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2748 return 0;
2749 }
2750
2751 static struct net_device *_init_airo_card( unsigned short irq, int port,
2752 int is_pcmcia, struct pci_dev *pci,
2753 struct device *dmdev )
2754 {
2755 struct net_device *dev;
2756 struct airo_info *ai;
2757 int i, rc;
2758 DECLARE_MAC_BUF(mac);
2759
2760 /* Create the network device object. */
2761 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2762 if (!dev) {
2763 airo_print_err("", "Couldn't alloc_etherdev");
2764 return NULL;
2765 }
2766
2767 ai = dev->priv;
2768 ai->wifidev = NULL;
2769 ai->flags = 1 << FLAG_RADIO_DOWN;
2770 ai->jobs = 0;
2771 ai->dev = dev;
2772 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2773 airo_print_dbg("", "Found an MPI350 card");
2774 set_bit(FLAG_MPI, &ai->flags);
2775 }
2776 spin_lock_init(&ai->aux_lock);
2777 sema_init(&ai->sem, 1);
2778 ai->config.len = 0;
2779 ai->pci = pci;
2780 init_waitqueue_head (&ai->thr_wait);
2781 ai->tfm = NULL;
2782 add_airo_dev(ai);
2783
2784 if (airo_networks_allocate (ai))
2785 goto err_out_free;
2786 airo_networks_initialize (ai);
2787
2788 /* The Airo-specific entries in the device structure. */
2789 if (test_bit(FLAG_MPI,&ai->flags)) {
2790 skb_queue_head_init (&ai->txq);
2791 dev->hard_start_xmit = &mpi_start_xmit;
2792 } else
2793 dev->hard_start_xmit = &airo_start_xmit;
2794 dev->get_stats = &airo_get_stats;
2795 dev->set_multicast_list = &airo_set_multicast_list;
2796 dev->set_mac_address = &airo_set_mac_address;
2797 dev->do_ioctl = &airo_ioctl;
2798 dev->wireless_handlers = &airo_handler_def;
2799 ai->wireless_data.spy_data = &ai->spy_data;
2800 dev->wireless_data = &ai->wireless_data;
2801 dev->change_mtu = &airo_change_mtu;
2802 dev->open = &airo_open;
2803 dev->stop = &airo_close;
2804 dev->irq = irq;
2805 dev->base_addr = port;
2806
2807 SET_NETDEV_DEV(dev, dmdev);
2808
2809 reset_card (dev, 1);
2810 msleep(400);
2811
2812 if (!is_pcmcia) {
2813 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2814 rc = -EBUSY;
2815 airo_print_err(dev->name, "Couldn't request region");
2816 goto err_out_nets;
2817 }
2818 }
2819
2820 if (test_bit(FLAG_MPI,&ai->flags)) {
2821 if (mpi_map_card(ai, pci)) {
2822 airo_print_err("", "Could not map memory");
2823 goto err_out_res;
2824 }
2825 }
2826
2827 if (probe) {
2828 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2829 airo_print_err(dev->name, "MAC could not be enabled" );
2830 rc = -EIO;
2831 goto err_out_map;
2832 }
2833 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2834 ai->bap_read = fast_bap_read;
2835 set_bit(FLAG_FLASHING, &ai->flags);
2836 }
2837
2838 /* Test for WPA support */
2839 if (airo_test_wpa_capable(ai)) {
2840 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2841 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2842 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2843 ai->bssListRidLen = sizeof(BSSListRid);
2844 } else {
2845 ai->bssListFirst = RID_BSSLISTFIRST;
2846 ai->bssListNext = RID_BSSLISTNEXT;
2847 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2848 }
2849
2850 strcpy(dev->name, "eth%d");
2851 rc = register_netdev(dev);
2852 if (rc) {
2853 airo_print_err(dev->name, "Couldn't register_netdev");
2854 goto err_out_map;
2855 }
2856 ai->wifidev = init_wifidev(ai, dev);
2857 if (!ai->wifidev)
2858 goto err_out_reg;
2859
2860 set_bit(FLAG_REGISTERED,&ai->flags);
2861 airo_print_info(dev->name, "MAC enabled %s",
2862 print_mac(mac, dev->dev_addr));
2863
2864 /* Allocate the transmit buffers */
2865 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2866 for( i = 0; i < MAX_FIDS; i++ )
2867 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2868
2869 if (setup_proc_entry(dev, dev->priv) < 0)
2870 goto err_out_wifi;
2871
2872 return dev;
2873
2874 err_out_wifi:
2875 unregister_netdev(ai->wifidev);
2876 free_netdev(ai->wifidev);
2877 err_out_reg:
2878 unregister_netdev(dev);
2879 err_out_map:
2880 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2881 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2882 iounmap(ai->pciaux);
2883 iounmap(ai->pcimem);
2884 mpi_unmap_card(ai->pci);
2885 }
2886 err_out_res:
2887 if (!is_pcmcia)
2888 release_region( dev->base_addr, 64 );
2889 err_out_nets:
2890 airo_networks_free(ai);
2891 del_airo_dev(ai);
2892 err_out_free:
2893 free_netdev(dev);
2894 return NULL;
2895 }
2896
2897 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2898 struct device *dmdev)
2899 {
2900 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2901 }
2902
2903 EXPORT_SYMBOL(init_airo_card);
2904
2905 static int waitbusy (struct airo_info *ai) {
2906 int delay = 0;
2907 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2908 udelay (10);
2909 if ((++delay % 20) == 0)
2910 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2911 }
2912 return delay < 10000;
2913 }
2914
2915 int reset_airo_card( struct net_device *dev )
2916 {
2917 int i;
2918 struct airo_info *ai = dev->priv;
2919 DECLARE_MAC_BUF(mac);
2920
2921 if (reset_card (dev, 1))
2922 return -1;
2923
2924 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2925 airo_print_err(dev->name, "MAC could not be enabled");
2926 return -1;
2927 }
2928 airo_print_info(dev->name, "MAC enabled %s",
2929 print_mac(mac, dev->dev_addr));
2930 /* Allocate the transmit buffers if needed */
2931 if (!test_bit(FLAG_MPI,&ai->flags))
2932 for( i = 0; i < MAX_FIDS; i++ )
2933 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2934
2935 enable_interrupts( ai );
2936 netif_wake_queue(dev);
2937 return 0;
2938 }
2939
2940 EXPORT_SYMBOL(reset_airo_card);
2941
2942 static void airo_send_event(struct net_device *dev) {
2943 struct airo_info *ai = dev->priv;
2944 union iwreq_data wrqu;
2945 StatusRid status_rid;
2946
2947 clear_bit(JOB_EVENT, &ai->jobs);
2948 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2949 up(&ai->sem);
2950 wrqu.data.length = 0;
2951 wrqu.data.flags = 0;
2952 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2953 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2954
2955 /* Send event to user space */
2956 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2957 }
2958
2959 static void airo_process_scan_results (struct airo_info *ai) {
2960 union iwreq_data wrqu;
2961 BSSListRid bss;
2962 int rc;
2963 BSSListElement * loop_net;
2964 BSSListElement * tmp_net;
2965
2966 /* Blow away current list of scan results */
2967 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2968 list_move_tail (&loop_net->list, &ai->network_free_list);
2969 /* Don't blow away ->list, just BSS data */
2970 memset (loop_net, 0, sizeof (loop_net->bss));
2971 }
2972
2973 /* Try to read the first entry of the scan result */
2974 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
2975 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
2976 /* No scan results */
2977 goto out;
2978 }
2979
2980 /* Read and parse all entries */
2981 tmp_net = NULL;
2982 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
2983 /* Grab a network off the free list */
2984 if (!list_empty(&ai->network_free_list)) {
2985 tmp_net = list_entry(ai->network_free_list.next,
2986 BSSListElement, list);
2987 list_del(ai->network_free_list.next);
2988 }
2989
2990 if (tmp_net != NULL) {
2991 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
2992 list_add_tail(&tmp_net->list, &ai->network_list);
2993 tmp_net = NULL;
2994 }
2995
2996 /* Read next entry */
2997 rc = PC4500_readrid(ai, ai->bssListNext,
2998 &bss, ai->bssListRidLen, 0);
2999 }
3000
3001 out:
3002 ai->scan_timeout = 0;
3003 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3004 up(&ai->sem);
3005
3006 /* Send an empty event to user space.
3007 * We don't send the received data on
3008 * the event because it would require
3009 * us to do complex transcoding, and
3010 * we want to minimise the work done in
3011 * the irq handler. Use a request to
3012 * extract the data - Jean II */
3013 wrqu.data.length = 0;
3014 wrqu.data.flags = 0;
3015 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3016 }
3017
3018 static int airo_thread(void *data) {
3019 struct net_device *dev = data;
3020 struct airo_info *ai = dev->priv;
3021 int locked;
3022
3023 set_freezable();
3024 while(1) {
3025 /* make swsusp happy with our thread */
3026 try_to_freeze();
3027
3028 if (test_bit(JOB_DIE, &ai->jobs))
3029 break;
3030
3031 if (ai->jobs) {
3032 locked = down_interruptible(&ai->sem);
3033 } else {
3034 wait_queue_t wait;
3035
3036 init_waitqueue_entry(&wait, current);
3037 add_wait_queue(&ai->thr_wait, &wait);
3038 for (;;) {
3039 set_current_state(TASK_INTERRUPTIBLE);
3040 if (ai->jobs)
3041 break;
3042 if (ai->expires || ai->scan_timeout) {
3043 if (ai->scan_timeout &&
3044 time_after_eq(jiffies,ai->scan_timeout)){
3045 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046 break;
3047 } else if (ai->expires &&
3048 time_after_eq(jiffies,ai->expires)){
3049 set_bit(JOB_AUTOWEP, &ai->jobs);
3050 break;
3051 }
3052 if (!kthread_should_stop() &&
3053 !freezing(current)) {
3054 unsigned long wake_at;
3055 if (!ai->expires || !ai->scan_timeout) {
3056 wake_at = max(ai->expires,
3057 ai->scan_timeout);
3058 } else {
3059 wake_at = min(ai->expires,
3060 ai->scan_timeout);
3061 }
3062 schedule_timeout(wake_at - jiffies);
3063 continue;
3064 }
3065 } else if (!kthread_should_stop() &&
3066 !freezing(current)) {
3067 schedule();
3068 continue;
3069 }
3070 break;
3071 }
3072 current->state = TASK_RUNNING;
3073 remove_wait_queue(&ai->thr_wait, &wait);
3074 locked = 1;
3075 }
3076
3077 if (locked)
3078 continue;
3079
3080 if (test_bit(JOB_DIE, &ai->jobs)) {
3081 up(&ai->sem);
3082 break;
3083 }
3084
3085 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3086 up(&ai->sem);
3087 continue;
3088 }
3089
3090 if (test_bit(JOB_XMIT, &ai->jobs))
3091 airo_end_xmit(dev);
3092 else if (test_bit(JOB_XMIT11, &ai->jobs))
3093 airo_end_xmit11(dev);
3094 else if (test_bit(JOB_STATS, &ai->jobs))
3095 airo_read_stats(ai);
3096 else if (test_bit(JOB_WSTATS, &ai->jobs))
3097 airo_read_wireless_stats(ai);
3098 else if (test_bit(JOB_PROMISC, &ai->jobs))
3099 airo_set_promisc(ai);
3100 else if (test_bit(JOB_MIC, &ai->jobs))
3101 micinit(ai);
3102 else if (test_bit(JOB_EVENT, &ai->jobs))
3103 airo_send_event(dev);
3104 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3105 timer_func(dev);
3106 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3107 airo_process_scan_results(ai);
3108 else /* Shouldn't get here, but we make sure to unlock */
3109 up(&ai->sem);
3110 }
3111
3112 return 0;
3113 }
3114
3115 static int header_len(__le16 ctl)
3116 {
3117 u16 fc = le16_to_cpu(ctl);
3118 switch (fc & 0xc) {
3119 case 4:
3120 if ((fc & 0xe0) == 0xc0)
3121 return 10; /* one-address control packet */
3122 return 16; /* two-address control packet */
3123 case 8:
3124 if ((fc & 0x300) == 0x300)
3125 return 30; /* WDS packet */
3126 }
3127 return 24;
3128 }
3129
3130 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3131 {
3132 struct net_device *dev = dev_id;
3133 u16 status;
3134 u16 fid;
3135 struct airo_info *apriv = dev->priv;
3136 u16 savedInterrupts = 0;
3137 int handled = 0;
3138
3139 if (!netif_device_present(dev))
3140 return IRQ_NONE;
3141
3142 for (;;) {
3143 status = IN4500( apriv, EVSTAT );
3144 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3145
3146 handled = 1;
3147
3148 if ( status & EV_AWAKE ) {
3149 OUT4500( apriv, EVACK, EV_AWAKE );
3150 OUT4500( apriv, EVACK, EV_AWAKE );
3151 }
3152
3153 if (!savedInterrupts) {
3154 savedInterrupts = IN4500( apriv, EVINTEN );
3155 OUT4500( apriv, EVINTEN, 0 );
3156 }
3157
3158 if ( status & EV_MIC ) {
3159 OUT4500( apriv, EVACK, EV_MIC );
3160 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3161 set_bit(JOB_MIC, &apriv->jobs);
3162 wake_up_interruptible(&apriv->thr_wait);
3163 }
3164 }
3165 if ( status & EV_LINK ) {
3166 union iwreq_data wrqu;
3167 int scan_forceloss = 0;
3168 /* The link status has changed, if you want to put a
3169 monitor hook in, do it here. (Remember that
3170 interrupts are still disabled!)
3171 */
3172 u16 newStatus = IN4500(apriv, LINKSTAT);
3173 OUT4500( apriv, EVACK, EV_LINK);
3174 /* Here is what newStatus means: */
3175 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3176 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3177 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3178 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3179 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3180 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3181 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3182 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3183 code) */
3184 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3185 code) */
3186 #define ASSOCIATED 0x0400 /* Associated */
3187 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3188 #define RC_RESERVED 0 /* Reserved return code */
3189 #define RC_NOREASON 1 /* Unspecified reason */
3190 #define RC_AUTHINV 2 /* Previous authentication invalid */
3191 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3192 leaving */
3193 #define RC_NOACT 4 /* Disassociated due to inactivity */
3194 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3195 all currently associated stations */
3196 #define RC_BADCLASS2 6 /* Class 2 frame received from
3197 non-Authenticated station */
3198 #define RC_BADCLASS3 7 /* Class 3 frame received from
3199 non-Associated station */
3200 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3201 leaving BSS */
3202 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3203 Authenticated with the responding station */
3204 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3205 scan_forceloss = 1;
3206 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3207 if (auto_wep)
3208 apriv->expires = 0;
3209 if (apriv->list_bss_task)
3210 wake_up_process(apriv->list_bss_task);
3211 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3212 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3213
3214 if (down_trylock(&apriv->sem) != 0) {
3215 set_bit(JOB_EVENT, &apriv->jobs);
3216 wake_up_interruptible(&apriv->thr_wait);
3217 } else
3218 airo_send_event(dev);
3219 } else if (!scan_forceloss) {
3220 if (auto_wep && !apriv->expires) {
3221 apriv->expires = RUN_AT(3*HZ);
3222 wake_up_interruptible(&apriv->thr_wait);
3223 }
3224
3225 /* Send event to user space */
3226 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3227 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3228 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3229 }
3230 }
3231
3232 /* Check to see if there is something to receive */
3233 if ( status & EV_RX ) {
3234 struct sk_buff *skb = NULL;
3235 __le16 fc, v;
3236 u16 len, hdrlen = 0;
3237 #pragma pack(1)
3238 struct {
3239 __le16 status, len;
3240 u8 rssi[2];
3241 u8 rate;
3242 u8 freq;
3243 __le16 tmp[4];
3244 } hdr;
3245 #pragma pack()
3246 u16 gap;
3247 __le16 tmpbuf[4];
3248 __le16 *buffer;
3249
3250 if (test_bit(FLAG_MPI,&apriv->flags)) {
3251 if (test_bit(FLAG_802_11, &apriv->flags))
3252 mpi_receive_802_11(apriv);
3253 else
3254 mpi_receive_802_3(apriv);
3255 OUT4500(apriv, EVACK, EV_RX);
3256 goto exitrx;
3257 }
3258
3259 fid = IN4500( apriv, RXFID );
3260
3261 /* Get the packet length */
3262 if (test_bit(FLAG_802_11, &apriv->flags)) {
3263 bap_setup (apriv, fid, 4, BAP0);
3264 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3265 /* Bad CRC. Ignore packet */
3266 if (le16_to_cpu(hdr.status) & 2)
3267 hdr.len = 0;
3268 if (apriv->wifidev == NULL)
3269 hdr.len = 0;
3270 } else {
3271 bap_setup (apriv, fid, 0x36, BAP0);
3272 bap_read (apriv, &hdr.len, 2, BAP0);
3273 }
3274 len = le16_to_cpu(hdr.len);
3275
3276 if (len > AIRO_DEF_MTU) {
3277 airo_print_err(apriv->dev->name, "Bad size %d", len);
3278 goto badrx;
3279 }
3280 if (len == 0)
3281 goto badrx;
3282
3283 if (test_bit(FLAG_802_11, &apriv->flags)) {
3284 bap_read (apriv, &fc, sizeof(fc), BAP0);
3285 hdrlen = header_len(fc);
3286 } else
3287 hdrlen = ETH_ALEN * 2;
3288
3289 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3290 if ( !skb ) {
3291 apriv->stats.rx_dropped++;
3292 goto badrx;
3293 }
3294 skb_reserve(skb, 2); /* This way the IP header is aligned */
3295 buffer = (__le16*)skb_put (skb, len + hdrlen);
3296 if (test_bit(FLAG_802_11, &apriv->flags)) {
3297 buffer[0] = fc;
3298 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3299 if (hdrlen == 24)
3300 bap_read (apriv, tmpbuf, 6, BAP0);
3301
3302 bap_read (apriv, &v, sizeof(v), BAP0);
3303 gap = le16_to_cpu(v);
3304 if (gap) {
3305 if (gap <= 8) {
3306 bap_read (apriv, tmpbuf, gap, BAP0);
3307 } else {
3308 airo_print_err(apriv->dev->name, "gaplen too "
3309 "big. Problems will follow...");
3310 }
3311 }
3312 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3313 } else {
3314 MICBuffer micbuf;
3315 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3316 if (apriv->micstats.enabled) {
3317 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3318 if (ntohs(micbuf.typelen) > 0x05DC)
3319 bap_setup (apriv, fid, 0x44, BAP0);
3320 else {
3321 if (len <= sizeof(micbuf))
3322 goto badmic;
3323
3324 len -= sizeof(micbuf);
3325 skb_trim (skb, len + hdrlen);
3326 }
3327 }
3328 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3329 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3330 badmic:
3331 dev_kfree_skb_irq (skb);
3332 badrx:
3333 OUT4500( apriv, EVACK, EV_RX);
3334 goto exitrx;
3335 }
3336 }
3337 #ifdef WIRELESS_SPY
3338 if (apriv->spy_data.spy_number > 0) {
3339 char *sa;
3340 struct iw_quality wstats;
3341 /* Prepare spy data : addr + qual */
3342 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3343 sa = (char*)buffer + 6;
3344 bap_setup (apriv, fid, 8, BAP0);
3345 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3346 } else
3347 sa = (char*)buffer + 10;
3348 wstats.qual = hdr.rssi[0];
3349 if (apriv->rssi)
3350 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3351 else
3352 wstats.level = (hdr.rssi[1] + 321) / 2;
3353 wstats.noise = apriv->wstats.qual.noise;
3354 wstats.updated = IW_QUAL_LEVEL_UPDATED
3355 | IW_QUAL_QUAL_UPDATED
3356 | IW_QUAL_DBM;
3357 /* Update spy records */
3358 wireless_spy_update(dev, sa, &wstats);
3359 }
3360 #endif /* WIRELESS_SPY */
3361 OUT4500( apriv, EVACK, EV_RX);
3362
3363 if (test_bit(FLAG_802_11, &apriv->flags)) {
3364 skb_reset_mac_header(skb);
3365 skb->pkt_type = PACKET_OTHERHOST;
3366 skb->dev = apriv->wifidev;
3367 skb->protocol = htons(ETH_P_802_2);
3368 } else
3369 skb->protocol = eth_type_trans(skb,dev);
3370 skb->dev->last_rx = jiffies;
3371 skb->ip_summed = CHECKSUM_NONE;
3372
3373 netif_rx( skb );
3374 }
3375 exitrx:
3376
3377 /* Check to see if a packet has been transmitted */
3378 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3379 int i;
3380 int len = 0;
3381 int index = -1;
3382
3383 if (test_bit(FLAG_MPI,&apriv->flags)) {
3384 unsigned long flags;
3385
3386 if (status & EV_TXEXC)
3387 get_tx_error(apriv, -1);
3388 spin_lock_irqsave(&apriv->aux_lock, flags);
3389 if (!skb_queue_empty(&apriv->txq)) {
3390 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3391 mpi_send_packet (dev);
3392 } else {
3393 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3394 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3395 netif_wake_queue (dev);
3396 }
3397 OUT4500( apriv, EVACK,
3398 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3399 goto exittx;
3400 }
3401
3402 fid = IN4500(apriv, TXCOMPLFID);
3403
3404 for( i = 0; i < MAX_FIDS; i++ ) {
3405 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3406 len = apriv->fids[i] >> 16;
3407 index = i;
3408 }
3409 }
3410 if (index != -1) {
3411 if (status & EV_TXEXC)
3412 get_tx_error(apriv, index);
3413 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3414 /* Set up to be used again */
3415 apriv->fids[index] &= 0xffff;
3416 if (index < MAX_FIDS / 2) {
3417 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3418 netif_wake_queue(dev);
3419 } else {
3420 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3421 netif_wake_queue(apriv->wifidev);
3422 }
3423 } else {
3424 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3425 airo_print_err(apriv->dev->name, "Unallocated FID was "
3426 "used to xmit" );
3427 }
3428 }
3429 exittx:
3430 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3431 airo_print_warn(apriv->dev->name, "Got weird status %x",
3432 status & ~STATUS_INTS & ~IGNORE_INTS );
3433 }
3434
3435 if (savedInterrupts)
3436 OUT4500( apriv, EVINTEN, savedInterrupts );
3437
3438 /* done.. */
3439 return IRQ_RETVAL(handled);
3440 }
3441
3442 /*
3443 * Routines to talk to the card
3444 */
3445
3446 /*
3447 * This was originally written for the 4500, hence the name
3448 * NOTE: If use with 8bit mode and SMP bad things will happen!
3449 * Why would some one do 8 bit IO in an SMP machine?!?
3450 */
3451 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3452 if (test_bit(FLAG_MPI,&ai->flags))
3453 reg <<= 1;
3454 if ( !do8bitIO )
3455 outw( val, ai->dev->base_addr + reg );
3456 else {
3457 outb( val & 0xff, ai->dev->base_addr + reg );
3458 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3459 }
3460 }
3461
3462 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3463 unsigned short rc;
3464
3465 if (test_bit(FLAG_MPI,&ai->flags))
3466 reg <<= 1;
3467 if ( !do8bitIO )
3468 rc = inw( ai->dev->base_addr + reg );
3469 else {
3470 rc = inb( ai->dev->base_addr + reg );
3471 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3472 }
3473 return rc;
3474 }
3475
3476 static int enable_MAC(struct airo_info *ai, int lock)
3477 {
3478 int rc;
3479 Cmd cmd;
3480 Resp rsp;
3481
3482 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3483 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3484 * Note : we could try to use !netif_running(dev) in enable_MAC()
3485 * instead of this flag, but I don't trust it *within* the
3486 * open/close functions, and testing both flags together is
3487 * "cheaper" - Jean II */
3488 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3489
3490 if (lock && down_interruptible(&ai->sem))
3491 return -ERESTARTSYS;
3492
3493 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3494 memset(&cmd, 0, sizeof(cmd));
3495 cmd.cmd = MAC_ENABLE;
3496 rc = issuecommand(ai, &cmd, &rsp);
3497 if (rc == SUCCESS)
3498 set_bit(FLAG_ENABLED, &ai->flags);
3499 } else
3500 rc = SUCCESS;
3501
3502 if (lock)
3503 up(&ai->sem);
3504
3505 if (rc)
3506 airo_print_err(ai->dev->name, "Cannot enable MAC");
3507 else if ((rsp.status & 0xFF00) != 0) {
3508 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3509 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3510 rc = ERROR;
3511 }
3512 return rc;
3513 }
3514
3515 static void disable_MAC( struct airo_info *ai, int lock ) {
3516 Cmd cmd;
3517 Resp rsp;
3518
3519 if (lock && down_interruptible(&ai->sem))
3520 return;
3521
3522 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3523 memset(&cmd, 0, sizeof(cmd));
3524 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3525 issuecommand(ai, &cmd, &rsp);
3526 clear_bit(FLAG_ENABLED, &ai->flags);
3527 }
3528 if (lock)
3529 up(&ai->sem);
3530 }
3531
3532 static void enable_interrupts( struct airo_info *ai ) {
3533 /* Enable the interrupts */
3534 OUT4500( ai, EVINTEN, STATUS_INTS );
3535 }
3536
3537 static void disable_interrupts( struct airo_info *ai ) {
3538 OUT4500( ai, EVINTEN, 0 );
3539 }
3540
3541 static void mpi_receive_802_3(struct airo_info *ai)
3542 {
3543 RxFid rxd;
3544 int len = 0;
3545 struct sk_buff *skb;
3546 char *buffer;
3547 int off = 0;
3548 MICBuffer micbuf;
3549
3550 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3551 /* Make sure we got something */
3552 if (rxd.rdy && rxd.valid == 0) {
3553 len = rxd.len + 12;
3554 if (len < 12 || len > 2048)
3555 goto badrx;
3556
3557 skb = dev_alloc_skb(len);
3558 if (!skb) {
3559 ai->stats.rx_dropped++;
3560 goto badrx;
3561 }
3562 buffer = skb_put(skb,len);
3563 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3564 if (ai->micstats.enabled) {
3565 memcpy(&micbuf,
3566 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3567 sizeof(micbuf));
3568 if (ntohs(micbuf.typelen) <= 0x05DC) {
3569 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3570 goto badmic;
3571
3572 off = sizeof(micbuf);
3573 skb_trim (skb, len - off);
3574 }
3575 }
3576 memcpy(buffer + ETH_ALEN * 2,
3577 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3578 len - ETH_ALEN * 2 - off);
3579 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3580 badmic:
3581 dev_kfree_skb_irq (skb);
3582 goto badrx;
3583 }
3584 #ifdef WIRELESS_SPY
3585 if (ai->spy_data.spy_number > 0) {
3586 char *sa;
3587 struct iw_quality wstats;
3588 /* Prepare spy data : addr + qual */
3589 sa = buffer + ETH_ALEN;
3590 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3591 wstats.level = 0;
3592 wstats.updated = 0;
3593 /* Update spy records */
3594 wireless_spy_update(ai->dev, sa, &wstats);
3595 }
3596 #endif /* WIRELESS_SPY */
3597
3598 skb->ip_summed = CHECKSUM_NONE;
3599 skb->protocol = eth_type_trans(skb, ai->dev);
3600 skb->dev->last_rx = jiffies;
3601 netif_rx(skb);
3602 }
3603 badrx:
3604 if (rxd.valid == 0) {
3605 rxd.valid = 1;
3606 rxd.rdy = 0;
3607 rxd.len = PKTSIZE;
3608 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3609 }
3610 }
3611
3612 void mpi_receive_802_11 (struct airo_info *ai)
3613 {
3614 RxFid rxd;
3615 struct sk_buff *skb = NULL;
3616 u16 len, hdrlen = 0;
3617 __le16 fc;
3618 #pragma pack(1)
3619 struct {
3620 __le16 status, len;
3621 u8 rssi[2];
3622 u8 rate;
3623 u8 freq;
3624 __le16 tmp[4];
3625 } hdr;
3626 #pragma pack()
3627 u16 gap;
3628 u16 *buffer;
3629 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3630
3631 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3632 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3633 ptr += sizeof(hdr);
3634 /* Bad CRC. Ignore packet */
3635 if (le16_to_cpu(hdr.status) & 2)
3636 hdr.len = 0;
3637 if (ai->wifidev == NULL)
3638 hdr.len = 0;
3639 len = le16_to_cpu(hdr.len);
3640 if (len > AIRO_DEF_MTU) {
3641 airo_print_err(ai->dev->name, "Bad size %d", len);
3642 goto badrx;
3643 }
3644 if (len == 0)
3645 goto badrx;
3646
3647 fc = get_unaligned((__le16 *)ptr);
3648 hdrlen = header_len(fc);
3649
3650 skb = dev_alloc_skb( len + hdrlen + 2 );
3651 if ( !skb ) {
3652 ai->stats.rx_dropped++;
3653 goto badrx;
3654 }
3655 buffer = (u16*)skb_put (skb, len + hdrlen);
3656 memcpy ((char *)buffer, ptr, hdrlen);
3657 ptr += hdrlen;
3658 if (hdrlen == 24)
3659 ptr += 6;
3660 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3661 ptr += sizeof(__le16);
3662 if (gap) {
3663 if (gap <= 8)
3664 ptr += gap;
3665 else
3666 airo_print_err(ai->dev->name,
3667 "gaplen too big. Problems will follow...");
3668 }
3669 memcpy ((char *)buffer + hdrlen, ptr, len);
3670 ptr += len;
3671 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3672 if (ai->spy_data.spy_number > 0) {
3673 char *sa;
3674 struct iw_quality wstats;
3675 /* Prepare spy data : addr + qual */
3676 sa = (char*)buffer + 10;
3677 wstats.qual = hdr.rssi[0];
3678 if (ai->rssi)
3679 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3680 else
3681 wstats.level = (hdr.rssi[1] + 321) / 2;
3682 wstats.noise = ai->wstats.qual.noise;
3683 wstats.updated = IW_QUAL_QUAL_UPDATED
3684 | IW_QUAL_LEVEL_UPDATED
3685 | IW_QUAL_DBM;
3686 /* Update spy records */
3687 wireless_spy_update(ai->dev, sa, &wstats);
3688 }
3689 #endif /* IW_WIRELESS_SPY */
3690 skb_reset_mac_header(skb);
3691 skb->pkt_type = PACKET_OTHERHOST;
3692 skb->dev = ai->wifidev;
3693 skb->protocol = htons(ETH_P_802_2);
3694 skb->dev->last_rx = jiffies;
3695 skb->ip_summed = CHECKSUM_NONE;
3696 netif_rx( skb );
3697 badrx:
3698 if (rxd.valid == 0) {
3699 rxd.valid = 1;
3700 rxd.rdy = 0;
3701 rxd.len = PKTSIZE;
3702 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3703 }
3704 }
3705
3706 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3707 {
3708 Cmd cmd;
3709 Resp rsp;
3710 int status;
3711 int i;
3712 SsidRid mySsid;
3713 __le16 lastindex;
3714 WepKeyRid wkr;
3715 int rc;
3716
3717 memset( &mySsid, 0, sizeof( mySsid ) );
3718 kfree (ai->flash);
3719 ai->flash = NULL;
3720
3721 /* The NOP is the first step in getting the card going */
3722 cmd.cmd = NOP;
3723 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3724 if (lock && down_interruptible(&ai->sem))
3725 return ERROR;
3726 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3727 if (lock)
3728 up(&ai->sem);
3729 return ERROR;
3730 }
3731 disable_MAC( ai, 0);
3732
3733 // Let's figure out if we need to use the AUX port
3734 if (!test_bit(FLAG_MPI,&ai->flags)) {
3735 cmd.cmd = CMD_ENABLEAUX;
3736 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3737 if (lock)
3738 up(&ai->sem);
3739 airo_print_err(ai->dev->name, "Error checking for AUX port");
3740 return ERROR;
3741 }
3742 if (!aux_bap || rsp.status & 0xff00) {
3743 ai->bap_read = fast_bap_read;
3744 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3745 } else {
3746 ai->bap_read = aux_bap_read;
3747 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3748 }
3749 }
3750 if (lock)
3751 up(&ai->sem);
3752 if (ai->config.len == 0) {
3753 tdsRssiRid rssi_rid;
3754 CapabilityRid cap_rid;
3755
3756 kfree(ai->APList);
3757 ai->APList = NULL;
3758 kfree(ai->SSID);
3759 ai->SSID = NULL;
3760 // general configuration (read/modify/write)
3761 status = readConfigRid(ai, lock);
3762 if ( status != SUCCESS ) return ERROR;
3763
3764 status = readCapabilityRid(ai, &cap_rid, lock);
3765 if ( status != SUCCESS ) return ERROR;
3766
3767 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3768 if ( status == SUCCESS ) {
3769 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3770 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3771 }
3772 else {
3773 kfree(ai->rssi);
3774 ai->rssi = NULL;
3775 if (cap_rid.softCap & cpu_to_le16(8))
3776 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3777 else
3778 airo_print_warn(ai->dev->name, "unknown received signal "
3779 "level scale");
3780 }
3781 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3782 ai->config.authType = AUTH_OPEN;
3783 ai->config.modulation = MOD_CCK;
3784
3785 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3786 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3787 micsetup(ai) == SUCCESS) {
3788 ai->config.opmode |= MODE_MIC;
3789 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3790 }
3791
3792 /* Save off the MAC */
3793 for( i = 0; i < ETH_ALEN; i++ ) {
3794 mac[i] = ai->config.macAddr[i];
3795 }
3796
3797 /* Check to see if there are any insmod configured
3798 rates to add */
3799 if ( rates[0] ) {
3800 int i = 0;
3801 memset(ai->config.rates,0,sizeof(ai->config.rates));
3802 for( i = 0; i < 8 && rates[i]; i++ ) {
3803 ai->config.rates[i] = rates[i];
3804 }
3805 }
3806 if ( basic_rate > 0 ) {
3807 int i;
3808 for( i = 0; i < 8; i++ ) {
3809 if ( ai->config.rates[i] == basic_rate ||
3810 !ai->config.rates ) {
3811 ai->config.rates[i] = basic_rate | 0x80;
3812 break;
3813 }
3814 }
3815 }
3816 set_bit (FLAG_COMMIT, &ai->flags);
3817 }
3818
3819 /* Setup the SSIDs if present */
3820 if ( ssids[0] ) {
3821 int i;
3822 for( i = 0; i < 3 && ssids[i]; i++ ) {
3823 size_t len = strlen(ssids[i]);
3824 if (len > 32)
3825 len = 32;
3826 mySsid.ssids[i].len = cpu_to_le16(len);
3827 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3828 }
3829 mySsid.len = cpu_to_le16(sizeof(mySsid));
3830 }
3831
3832 status = writeConfigRid(ai, lock);
3833 if ( status != SUCCESS ) return ERROR;
3834
3835 /* Set up the SSID list */
3836 if ( ssids[0] ) {
3837 status = writeSsidRid(ai, &mySsid, lock);
3838 if ( status != SUCCESS ) return ERROR;
3839 }
3840
3841 status = enable_MAC(ai, lock);
3842 if (status != SUCCESS)
3843 return ERROR;
3844
3845 /* Grab the initial wep key, we gotta save it for auto_wep */
3846 rc = readWepKeyRid(ai, &wkr, 1, lock);
3847 if (rc == SUCCESS) do {
3848 lastindex = wkr.kindex;
3849 if (wkr.kindex == cpu_to_le16(0xffff)) {
3850 ai->defindex = wkr.mac[0];
3851 }
3852 rc = readWepKeyRid(ai, &wkr, 0, lock);
3853 } while(lastindex != wkr.kindex);
3854
3855 try_auto_wep(ai);
3856
3857 return SUCCESS;
3858 }
3859
3860 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3861 // Im really paranoid about letting it run forever!
3862 int max_tries = 600000;
3863
3864 if (IN4500(ai, EVSTAT) & EV_CMD)
3865 OUT4500(ai, EVACK, EV_CMD);
3866
3867 OUT4500(ai, PARAM0, pCmd->parm0);
3868 OUT4500(ai, PARAM1, pCmd->parm1);
3869 OUT4500(ai, PARAM2, pCmd->parm2);
3870 OUT4500(ai, COMMAND, pCmd->cmd);
3871
3872 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3873 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3874 // PC4500 didn't notice command, try again
3875 OUT4500(ai, COMMAND, pCmd->cmd);
3876 if (!in_atomic() && (max_tries & 255) == 0)
3877 schedule();
3878 }
3879
3880 if ( max_tries == -1 ) {
3881 airo_print_err(ai->dev->name,
3882 "Max tries exceeded when issueing command");
3883 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3884 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3885 return ERROR;
3886 }
3887
3888 // command completed
3889 pRsp->status = IN4500(ai, STATUS);
3890 pRsp->rsp0 = IN4500(ai, RESP0);
3891 pRsp->rsp1 = IN4500(ai, RESP1);
3892 pRsp->rsp2 = IN4500(ai, RESP2);
3893 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3894 airo_print_err(ai->dev->name,
3895 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3896 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3897 pRsp->rsp2);
3898
3899 // clear stuck command busy if necessary
3900 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3901 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3902 }
3903 // acknowledge processing the status/response
3904 OUT4500(ai, EVACK, EV_CMD);
3905
3906 return SUCCESS;
3907 }
3908
3909 /* Sets up the bap to start exchange data. whichbap should
3910 * be one of the BAP0 or BAP1 defines. Locks should be held before
3911 * calling! */
3912 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3913 {
3914 int timeout = 50;
3915 int max_tries = 3;
3916
3917 OUT4500(ai, SELECT0+whichbap, rid);
3918 OUT4500(ai, OFFSET0+whichbap, offset);
3919 while (1) {
3920 int status = IN4500(ai, OFFSET0+whichbap);
3921 if (status & BAP_BUSY) {
3922 /* This isn't really a timeout, but its kinda
3923 close */
3924 if (timeout--) {
3925 continue;
3926 }
3927 } else if ( status & BAP_ERR ) {
3928 /* invalid rid or offset */
3929 airo_print_err(ai->dev->name, "BAP error %x %d",
3930 status, whichbap );
3931 return ERROR;
3932 } else if (status & BAP_DONE) { // success
3933 return SUCCESS;
3934 }
3935 if ( !(max_tries--) ) {
3936 airo_print_err(ai->dev->name,
3937 "BAP setup error too many retries\n");
3938 return ERROR;
3939 }
3940 // -- PC4500 missed it, try again
3941 OUT4500(ai, SELECT0+whichbap, rid);
3942 OUT4500(ai, OFFSET0+whichbap, offset);
3943 timeout = 50;
3944 }
3945 }
3946
3947 /* should only be called by aux_bap_read. This aux function and the
3948 following use concepts not documented in the developers guide. I
3949 got them from a patch given to my by Aironet */
3950 static u16 aux_setup(struct airo_info *ai, u16 page,
3951 u16 offset, u16 *len)
3952 {
3953 u16 next;
3954
3955 OUT4500(ai, AUXPAGE, page);
3956 OUT4500(ai, AUXOFF, 0);
3957 next = IN4500(ai, AUXDATA);
3958 *len = IN4500(ai, AUXDATA)&0xff;
3959 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3960 return next;
3961 }
3962
3963 /* requires call to bap_setup() first */
3964 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3965 int bytelen, int whichbap)
3966 {
3967 u16 len;
3968 u16 page;
3969 u16 offset;
3970 u16 next;
3971 int words;
3972 int i;
3973 unsigned long flags;
3974
3975 spin_lock_irqsave(&ai->aux_lock, flags);
3976 page = IN4500(ai, SWS0+whichbap);
3977 offset = IN4500(ai, SWS2+whichbap);
3978 next = aux_setup(ai, page, offset, &len);
3979 words = (bytelen+1)>>1;
3980
3981 for (i=0; i<words;) {
3982 int count;
3983 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3984 if ( !do8bitIO )
3985 insw( ai->dev->base_addr+DATA0+whichbap,
3986 pu16Dst+i,count );
3987 else
3988 insb( ai->dev->base_addr+DATA0+whichbap,
3989 pu16Dst+i, count << 1 );
3990 i += count;
3991 if (i<words) {
3992 next = aux_setup(ai, next, 4, &len);
3993 }
3994 }
3995 spin_unlock_irqrestore(&ai->aux_lock, flags);
3996 return SUCCESS;
3997 }
3998
3999
4000 /* requires call to bap_setup() first */
4001 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4002 int bytelen, int whichbap)
4003 {
4004 bytelen = (bytelen + 1) & (~1); // round up to even value
4005 if ( !do8bitIO )
4006 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4007 else
4008 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4009 return SUCCESS;
4010 }
4011
4012 /* requires call to bap_setup() first */
4013 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4014 int bytelen, int whichbap)
4015 {
4016 bytelen = (bytelen + 1) & (~1); // round up to even value
4017 if ( !do8bitIO )
4018 outsw( ai->dev->base_addr+DATA0+whichbap,
4019 pu16Src, bytelen>>1 );
4020 else
4021 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4022 return SUCCESS;
4023 }
4024
4025 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4026 {
4027 Cmd cmd; /* for issuing commands */
4028 Resp rsp; /* response from commands */
4029 u16 status;
4030
4031 memset(&cmd, 0, sizeof(cmd));
4032 cmd.cmd = accmd;
4033 cmd.parm0 = rid;
4034 status = issuecommand(ai, &cmd, &rsp);
4035 if (status != 0) return status;
4036 if ( (rsp.status & 0x7F00) != 0) {
4037 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4038 }
4039 return 0;
4040 }
4041
4042 /* Note, that we are using BAP1 which is also used by transmit, so
4043 * we must get a lock. */
4044 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4045 {
4046 u16 status;
4047 int rc = SUCCESS;
4048
4049 if (lock) {
4050 if (down_interruptible(&ai->sem))
4051 return ERROR;
4052 }
4053 if (test_bit(FLAG_MPI,&ai->flags)) {
4054 Cmd cmd;
4055 Resp rsp;
4056
4057 memset(&cmd, 0, sizeof(cmd));
4058 memset(&rsp, 0, sizeof(rsp));
4059 ai->config_desc.rid_desc.valid = 1;
4060 ai->config_desc.rid_desc.len = RIDSIZE;
4061 ai->config_desc.rid_desc.rid = 0;
4062 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4063
4064 cmd.cmd = CMD_ACCESS;
4065 cmd.parm0 = rid;
4066
4067 memcpy_toio(ai->config_desc.card_ram_off,
4068 &ai->config_desc.rid_desc, sizeof(Rid));
4069
4070 rc = issuecommand(ai, &cmd, &rsp);
4071
4072 if (rsp.status & 0x7f00)
4073 rc = rsp.rsp0;
4074 if (!rc)
4075 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4076 goto done;
4077 } else {
4078 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4079 rc = status;
4080 goto done;
4081 }
4082 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4083 rc = ERROR;
4084 goto done;
4085 }
4086 // read the rid length field
4087 bap_read(ai, pBuf, 2, BAP1);
4088 // length for remaining part of rid
4089 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4090
4091 if ( len <= 2 ) {
4092 airo_print_err(ai->dev->name,
4093 "Rid %x has a length of %d which is too short",
4094 (int)rid, (int)len );
4095 rc = ERROR;
4096 goto done;
4097 }
4098 // read remainder of the rid
4099 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4100 }
4101 done:
4102 if (lock)
4103 up(&ai->sem);
4104 return rc;
4105 }
4106
4107 /* Note, that we are using BAP1 which is also used by transmit, so
4108 * make sure this isnt called when a transmit is happening */
4109 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4110 const void *pBuf, int len, int lock)
4111 {
4112 u16 status;
4113 int rc = SUCCESS;
4114
4115 *(__le16*)pBuf = cpu_to_le16((u16)len);
4116
4117 if (lock) {
4118 if (down_interruptible(&ai->sem))
4119 return ERROR;
4120 }
4121 if (test_bit(FLAG_MPI,&ai->flags)) {
4122 Cmd cmd;
4123 Resp rsp;
4124
4125 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4126 airo_print_err(ai->dev->name,
4127 "%s: MAC should be disabled (rid=%04x)",
4128 __FUNCTION__, rid);
4129 memset(&cmd, 0, sizeof(cmd));
4130 memset(&rsp, 0, sizeof(rsp));
4131
4132 ai->config_desc.rid_desc.valid = 1;
4133 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4134 ai->config_desc.rid_desc.rid = 0;
4135
4136 cmd.cmd = CMD_WRITERID;
4137 cmd.parm0 = rid;
4138
4139 memcpy_toio(ai->config_desc.card_ram_off,
4140 &ai->config_desc.rid_desc, sizeof(Rid));
4141
4142 if (len < 4 || len > 2047) {
4143 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4144 rc = -1;
4145 } else {
4146 memcpy((char *)ai->config_desc.virtual_host_addr,
4147 pBuf, len);
4148
4149 rc = issuecommand(ai, &cmd, &rsp);
4150 if ((rc & 0xff00) != 0) {
4151 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4152 __FUNCTION__, rc);
4153 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4154 __FUNCTION__, cmd.cmd);
4155 }
4156
4157 if ((rsp.status & 0x7f00))
4158 rc = rsp.rsp0;
4159 }
4160 } else {
4161 // --- first access so that we can write the rid data
4162 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4163 rc = status;
4164 goto done;
4165 }
4166 // --- now write the rid data
4167 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4168 rc = ERROR;
4169 goto done;
4170 }
4171 bap_write(ai, pBuf, len, BAP1);
4172 // ---now commit the rid data
4173 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4174 }
4175 done:
4176 if (lock)
4177 up(&ai->sem);
4178 return rc;
4179 }
4180
4181 /* Allocates a FID to be used for transmitting packets. We only use
4182 one for now. */
4183 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4184 {
4185 unsigned int loop = 3000;
4186 Cmd cmd;
4187 Resp rsp;
4188 u16 txFid;
4189 __le16 txControl;
4190
4191 cmd.cmd = CMD_ALLOCATETX;
4192 cmd.parm0 = lenPayload;
4193 if (down_interruptible(&ai->sem))
4194 return ERROR;
4195 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4196 txFid = ERROR;
4197 goto done;
4198 }
4199 if ( (rsp.status & 0xFF00) != 0) {
4200 txFid = ERROR;
4201 goto done;
4202 }
4203 /* wait for the allocate event/indication
4204 * It makes me kind of nervous that this can just sit here and spin,
4205 * but in practice it only loops like four times. */
4206 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4207 if (!loop) {
4208 txFid = ERROR;
4209 goto done;
4210 }
4211
4212 // get the allocated fid and acknowledge
4213 txFid = IN4500(ai, TXALLOCFID);
4214 OUT4500(ai, EVACK, EV_ALLOC);
4215
4216 /* The CARD is pretty cool since it converts the ethernet packet
4217 * into 802.11. Also note that we don't release the FID since we
4218 * will be using the same one over and over again. */
4219 /* We only have to setup the control once since we are not
4220 * releasing the fid. */
4221 if (raw)
4222 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4223 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4224 else
4225 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4226 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4227 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4228 txFid = ERROR;
4229 else
4230 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4231
4232 done:
4233 up(&ai->sem);
4234
4235 return txFid;
4236 }
4237
4238 /* In general BAP1 is dedicated to transmiting packets. However,
4239 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4240 Make sure the BAP1 spinlock is held when this is called. */
4241 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4242 {
4243 __le16 payloadLen;
4244 Cmd cmd;
4245 Resp rsp;
4246 int miclen = 0;
4247 u16 txFid = len;
4248 MICBuffer pMic;
4249
4250 len >>= 16;
4251
4252 if (len <= ETH_ALEN * 2) {
4253 airo_print_warn(ai->dev->name, "Short packet %d", len);
4254 return ERROR;
4255 }
4256 len -= ETH_ALEN * 2;
4257
4258 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4259 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4260 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4261 return ERROR;
4262 miclen = sizeof(pMic);
4263 }
4264 // packet is destination[6], source[6], payload[len-12]
4265 // write the payload length and dst/src/payload
4266 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4267 /* The hardware addresses aren't counted as part of the payload, so
4268 * we have to subtract the 12 bytes for the addresses off */
4269 payloadLen = cpu_to_le16(len + miclen);
4270 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4271 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4272 if (miclen)
4273 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4274 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4275 // issue the transmit command
4276 memset( &cmd, 0, sizeof( cmd ) );
4277 cmd.cmd = CMD_TRANSMIT;
4278 cmd.parm0 = txFid;
4279 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4280 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4281 return SUCCESS;
4282 }
4283
4284 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4285 {
4286 __le16 fc, payloadLen;
4287 Cmd cmd;
4288 Resp rsp;
4289 int hdrlen;
4290 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4291 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4292 u16 txFid = len;
4293 len >>= 16;
4294
4295 fc = *(__le16*)pPacket;
4296 hdrlen = header_len(fc);
4297
4298 if (len < hdrlen) {
4299 airo_print_warn(ai->dev->name, "Short packet %d", len);
4300 return ERROR;
4301 }
4302
4303 /* packet is 802.11 header + payload
4304 * write the payload length and dst/src/payload */
4305 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4306 /* The 802.11 header aren't counted as part of the payload, so
4307 * we have to subtract the header bytes off */
4308 payloadLen = cpu_to_le16(len-hdrlen);
4309 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4310 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4311 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4312 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4313
4314 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4315 // issue the transmit command
4316 memset( &cmd, 0, sizeof( cmd ) );
4317 cmd.cmd = CMD_TRANSMIT;
4318 cmd.parm0 = txFid;
4319 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4320 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4321 return SUCCESS;
4322 }
4323
4324 /*
4325 * This is the proc_fs routines. It is a bit messier than I would
4326 * like! Feel free to clean it up!
4327 */
4328
4329 static ssize_t proc_read( struct file *file,
4330 char __user *buffer,
4331 size_t len,
4332 loff_t *offset);
4333
4334 static ssize_t proc_write( struct file *file,
4335 const char __user *buffer,
4336 size_t len,
4337 loff_t *offset );
4338 static int proc_close( struct inode *inode, struct file *file );
4339
4340 static int proc_stats_open( struct inode *inode, struct file *file );
4341 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4342 static int proc_status_open( struct inode *inode, struct file *file );
4343 static int proc_SSID_open( struct inode *inode, struct file *file );
4344 static int proc_APList_open( struct inode *inode, struct file *file );
4345 static int proc_BSSList_open( struct inode *inode, struct file *file );
4346 static int proc_config_open( struct inode *inode, struct file *file );
4347 static int proc_wepkey_open( struct inode *inode, struct file *file );
4348
4349 static const struct file_operations proc_statsdelta_ops = {
4350 .read = proc_read,
4351 .open = proc_statsdelta_open,
4352 .release = proc_close
4353 };
4354
4355 static const struct file_operations proc_stats_ops = {
4356 .read = proc_read,
4357 .open = proc_stats_open,
4358 .release = proc_close
4359 };
4360
4361 static const struct file_operations proc_status_ops = {
4362 .read = proc_read,
4363 .open = proc_status_open,
4364 .release = proc_close
4365 };
4366
4367 static const struct file_operations proc_SSID_ops = {
4368 .read = proc_read,
4369 .write = proc_write,
4370 .open = proc_SSID_open,
4371 .release = proc_close
4372 };
4373
4374 static const struct file_operations proc_BSSList_ops = {
4375 .read = proc_read,
4376 .write = proc_write,
4377 .open = proc_BSSList_open,
4378 .release = proc_close
4379 };
4380
4381 static const struct file_operations proc_APList_ops = {
4382 .read = proc_read,
4383 .write = proc_write,
4384 .open = proc_APList_open,
4385 .release = proc_close
4386 };
4387
4388 static const struct file_operations proc_config_ops = {
4389 .read = proc_read,
4390 .write = proc_write,
4391 .open = proc_config_open,
4392 .release = proc_close
4393 };
4394
4395 static const struct file_operations proc_wepkey_ops = {
4396 .read = proc_read,
4397 .write = proc_write,
4398 .open = proc_wepkey_open,
4399 .release = proc_close
4400 };
4401
4402 static struct proc_dir_entry *airo_entry;
4403
4404 struct proc_data {
4405 int release_buffer;
4406 int readlen;
4407 char *rbuffer;
4408 int writelen;
4409 int maxwritelen;
4410 char *wbuffer;
4411 void (*on_close) (struct inode *, struct file *);
4412 };
4413
4414 #ifndef SETPROC_OPS
4415 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4416 #endif
4417
4418 static int setup_proc_entry( struct net_device *dev,
4419 struct airo_info *apriv ) {
4420 struct proc_dir_entry *entry;
4421 /* First setup the device directory */
4422 strcpy(apriv->proc_name,dev->name);
4423 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4424 S_IFDIR|airo_perm,
4425 airo_entry);
4426 if (!apriv->proc_entry)
4427 goto fail;
4428 apriv->proc_entry->uid = proc_uid;
4429 apriv->proc_entry->gid = proc_gid;
4430 apriv->proc_entry->owner = THIS_MODULE;
4431
4432 /* Setup the StatsDelta */
4433 entry = create_proc_entry("StatsDelta",
4434 S_IFREG | (S_IRUGO&proc_perm),
4435 apriv->proc_entry);
4436 if (!entry)
4437 goto fail_stats_delta;
4438 entry->uid = proc_uid;
4439 entry->gid = proc_gid;
4440 entry->data = dev;
4441 entry->owner = THIS_MODULE;
4442 SETPROC_OPS(entry, proc_statsdelta_ops);
4443
4444 /* Setup the Stats */
4445 entry = create_proc_entry("Stats",
4446 S_IFREG | (S_IRUGO&proc_perm),
4447 apriv->proc_entry);
4448 if (!entry)
4449 goto fail_stats;
4450 entry->uid = proc_uid;
4451 entry->gid = proc_gid;
4452 entry->data = dev;
4453 entry->owner = THIS_MODULE;
4454 SETPROC_OPS(entry, proc_stats_ops);
4455
4456 /* Setup the Status */
4457 entry = create_proc_entry("Status",
4458 S_IFREG | (S_IRUGO&proc_perm),
4459 apriv->proc_entry);
4460 if (!entry)
4461 goto fail_status;
4462 entry->uid = proc_uid;
4463 entry->gid = proc_gid;
4464 entry->data = dev;
4465 entry->owner = THIS_MODULE;
4466 SETPROC_OPS(entry, proc_status_ops);
4467
4468 /* Setup the Config */
4469 entry = create_proc_entry("Config",
4470 S_IFREG | proc_perm,
4471 apriv->proc_entry);
4472 if (!entry)
4473 goto fail_config;
4474 entry->uid = proc_uid;
4475 entry->gid = proc_gid;
4476 entry->data = dev;
4477 entry->owner = THIS_MODULE;
4478 SETPROC_OPS(entry, proc_config_ops);
4479
4480 /* Setup the SSID */
4481 entry = create_proc_entry("SSID",
4482 S_IFREG | proc_perm,
4483 apriv->proc_entry);
4484 if (!entry)
4485 goto fail_ssid;
4486 entry->uid = proc_uid;
4487 entry->gid = proc_gid;
4488 entry->data = dev;
4489 entry->owner = THIS_MODULE;
4490 SETPROC_OPS(entry, proc_SSID_ops);
4491
4492 /* Setup the APList */
4493 entry = create_proc_entry("APList",
4494 S_IFREG | proc_perm,
4495 apriv->proc_entry);
4496 if (!entry)
4497 goto fail_aplist;
4498 entry->uid = proc_uid;
4499 entry->gid = proc_gid;
4500 entry->data = dev;
4501 entry->owner = THIS_MODULE;
4502 SETPROC_OPS(entry, proc_APList_ops);
4503
4504 /* Setup the BSSList */
4505 entry = create_proc_entry("BSSList",
4506 S_IFREG | proc_perm,
4507 apriv->proc_entry);
4508 if (!entry)
4509 goto fail_bsslist;
4510 entry->uid = proc_uid;
4511 entry->gid = proc_gid;
4512 entry->data = dev;
4513 entry->owner = THIS_MODULE;
4514 SETPROC_OPS(entry, proc_BSSList_ops);
4515
4516 /* Setup the WepKey */
4517 entry = create_proc_entry("WepKey",
4518 S_IFREG | proc_perm,
4519 apriv->proc_entry);
4520 if (!entry)
4521 goto fail_wepkey;
4522 entry->uid = proc_uid;
4523 entry->gid = proc_gid;
4524 entry->data = dev;
4525 entry->owner = THIS_MODULE;
4526 SETPROC_OPS(entry, proc_wepkey_ops);
4527
4528 return 0;
4529
4530 fail_wepkey:
4531 remove_proc_entry("BSSList", apriv->proc_entry);
4532 fail_bsslist:
4533 remove_proc_entry("APList", apriv->proc_entry);
4534 fail_aplist:
4535 remove_proc_entry("SSID", apriv->proc_entry);
4536 fail_ssid:
4537 remove_proc_entry("Config", apriv->proc_entry);
4538 fail_config:
4539 remove_proc_entry("Status", apriv->proc_entry);
4540 fail_status:
4541 remove_proc_entry("Stats", apriv->proc_entry);
4542 fail_stats:
4543 remove_proc_entry("StatsDelta", apriv->proc_entry);
4544 fail_stats_delta:
4545 remove_proc_entry(apriv->proc_name, airo_entry);
4546 fail:
4547 return -ENOMEM;
4548 }
4549
4550 static int takedown_proc_entry( struct net_device *dev,
4551 struct airo_info *apriv ) {
4552 if ( !apriv->proc_entry->namelen ) return 0;
4553 remove_proc_entry("Stats",apriv->proc_entry);
4554 remove_proc_entry("StatsDelta",apriv->proc_entry);
4555 remove_proc_entry("Status",apriv->proc_entry);
4556 remove_proc_entry("Config",apriv->proc_entry);
4557 remove_proc_entry("SSID",apriv->proc_entry);
4558 remove_proc_entry("APList",apriv->proc_entry);
4559 remove_proc_entry("BSSList",apriv->proc_entry);
4560 remove_proc_entry("WepKey",apriv->proc_entry);
4561 remove_proc_entry(apriv->proc_name,airo_entry);
4562 return 0;
4563 }
4564
4565 /*
4566 * What we want from the proc_fs is to be able to efficiently read
4567 * and write the configuration. To do this, we want to read the
4568 * configuration when the file is opened and write it when the file is
4569 * closed. So basically we allocate a read buffer at open and fill it
4570 * with data, and allocate a write buffer and read it at close.
4571 */
4572
4573 /*
4574 * The read routine is generic, it relies on the preallocated rbuffer
4575 * to supply the data.
4576 */
4577 static ssize_t proc_read( struct file *file,
4578 char __user *buffer,
4579 size_t len,
4580 loff_t *offset )
4581 {
4582 loff_t pos = *offset;
4583 struct proc_data *priv = (struct proc_data*)file->private_data;
4584
4585 if (!priv->rbuffer)
4586 return -EINVAL;
4587
4588 if (pos < 0)
4589 return -EINVAL;
4590 if (pos >= priv->readlen)
4591 return 0;
4592 if (len > priv->readlen - pos)
4593 len = priv->readlen - pos;
4594 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4595 return -EFAULT;
4596 *offset = pos + len;
4597 return len;
4598 }
4599
4600 /*
4601 * The write routine is generic, it fills in a preallocated rbuffer
4602 * to supply the data.
4603 */
4604 static ssize_t proc_write( struct file *file,
4605 const char __user *buffer,
4606 size_t len,
4607 loff_t *offset )
4608 {
4609 loff_t pos = *offset;
4610 struct proc_data *priv = (struct proc_data*)file->private_data;
4611
4612 if (!priv->wbuffer)
4613 return -EINVAL;
4614
4615 if (pos < 0)
4616 return -EINVAL;
4617 if (pos >= priv->maxwritelen)
4618 return 0;
4619 if (len > priv->maxwritelen - pos)
4620 len = priv->maxwritelen - pos;
4621 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4622 return -EFAULT;
4623 if ( pos + len > priv->writelen )
4624 priv->writelen = len + file->f_pos;
4625 *offset = pos + len;
4626 return len;
4627 }
4628
4629 static int proc_status_open(struct inode *inode, struct file *file)
4630 {
4631 struct proc_data *data;
4632 struct proc_dir_entry *dp = PDE(inode);
4633 struct net_device *dev = dp->data;
4634 struct airo_info *apriv = dev->priv;
4635 CapabilityRid cap_rid;
4636 StatusRid status_rid;
4637 u16 mode;
4638 int i;
4639
4640 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4641 return -ENOMEM;
4642 data = (struct proc_data *)file->private_data;
4643 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4644 kfree (file->private_data);
4645 return -ENOMEM;
4646 }
4647
4648 readStatusRid(apriv, &status_rid, 1);
4649 readCapabilityRid(apriv, &cap_rid, 1);
4650
4651 mode = le16_to_cpu(status_rid.mode);
4652
4653 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4654 mode & 1 ? "CFG ": "",
4655 mode & 2 ? "ACT ": "",
4656 mode & 0x10 ? "SYN ": "",
4657 mode & 0x20 ? "LNK ": "",
4658 mode & 0x40 ? "LEAP ": "",
4659 mode & 0x80 ? "PRIV ": "",
4660 mode & 0x100 ? "KEY ": "",
4661 mode & 0x200 ? "WEP ": "",
4662 mode & 0x8000 ? "ERR ": "");
4663 sprintf( data->rbuffer+i, "Mode: %x\n"
4664 "Signal Strength: %d\n"
4665 "Signal Quality: %d\n"
4666 "SSID: %-.*s\n"
4667 "AP: %-.16s\n"
4668 "Freq: %d\n"
4669 "BitRate: %dmbs\n"
4670 "Driver Version: %s\n"
4671 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4672 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4673 "Software Version: %x\nSoftware Subversion: %x\n"
4674 "Boot block version: %x\n",
4675 le16_to_cpu(status_rid.mode),
4676 le16_to_cpu(status_rid.normalizedSignalStrength),
4677 le16_to_cpu(status_rid.signalQuality),
4678 le16_to_cpu(status_rid.SSIDlen),
4679 status_rid.SSID,
4680 status_rid.apName,
4681 le16_to_cpu(status_rid.channel),
4682 le16_to_cpu(status_rid.currentXmitRate) / 2,
4683 version,
4684 cap_rid.prodName,
4685 cap_rid.manName,
4686 cap_rid.prodVer,
4687 le16_to_cpu(cap_rid.radioType),
4688 le16_to_cpu(cap_rid.country),
4689 le16_to_cpu(cap_rid.hardVer),
4690 le16_to_cpu(cap_rid.softVer),
4691 le16_to_cpu(cap_rid.softSubVer),
4692 le16_to_cpu(cap_rid.bootBlockVer));
4693 data->readlen = strlen( data->rbuffer );
4694 return 0;
4695 }
4696
4697 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4698 static int proc_statsdelta_open( struct inode *inode,
4699 struct file *file ) {
4700 if (file->f_mode&FMODE_WRITE) {
4701 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4702 }
4703 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4704 }
4705
4706 static int proc_stats_open( struct inode *inode, struct file *file ) {
4707 return proc_stats_rid_open(inode, file, RID_STATS);
4708 }
4709
4710 static int proc_stats_rid_open( struct inode *inode,
4711 struct file *file,
4712 u16 rid )
4713 {
4714 struct proc_data *data;
4715 struct proc_dir_entry *dp = PDE(inode);
4716 struct net_device *dev = dp->data;
4717 struct airo_info *apriv = dev->priv;
4718 StatsRid stats;
4719 int i, j;
4720 __le32 *vals = stats.vals;
4721 int len = le16_to_cpu(stats.len);
4722
4723 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4724 return -ENOMEM;
4725 data = (struct proc_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
4733 j = 0;
4734 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4735 if (!statsLabels[i]) continue;
4736 if (j+strlen(statsLabels[i])+16>4096) {
4737 airo_print_warn(apriv->dev->name,
4738 "Potentially disasterous buffer overflow averted!");
4739 break;
4740 }
4741 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4742 le32_to_cpu(vals[i]));
4743 }
4744 if (i*4 >= len) {
4745 airo_print_warn(apriv->dev->name, "Got a short rid");
4746 }
4747 data->readlen = j;
4748 return 0;
4749 }
4750
4751 static int get_dec_u16( char *buffer, int *start, int limit ) {
4752 u16 value;
4753 int valid = 0;
4754 for( value = 0; buffer[*start] >= '' &&
4755 buffer[*start] <= '9' &&
4756 *start < limit; (*start)++ ) {
4757 valid = 1;
4758 value *= 10;
4759 value += buffer[*start] - '';
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 & 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 proc_dir_entry *dp = PDE(inode);
4779 struct net_device *dev = dp->data;
4780 struct airo_info *ai = dev->priv;
4781 char *line;
4782
4783 if ( !data->writelen ) return;
4784
4785 readConfigRid(ai, 1);
4786 set_bit (FLAG_COMMIT, &ai->flags);
4787
4788 line = data->wbuffer;
4789 while( line[0] ) {
4790 /*** Mode processing */
4791 if ( !strncmp( line, "Mode: ", 6 ) ) {
4792 line += 6;
4793 if (sniffing_mode(ai))
4794 set_bit (FLAG_RESET, &ai->flags);
4795 ai->config.rmode &= ~RXMODE_FULL_MASK;
4796 clear_bit (FLAG_802_11, &ai->flags);
4797 ai->config.opmode &= ~MODE_CFG_MASK;
4798 ai->config.scanMode = SCANMODE_ACTIVE;
4799 if ( line[0] == 'a' ) {
4800 ai->config.opmode |= MODE_STA_IBSS;
4801 } else {
4802 ai->config.opmode |= MODE_STA_ESS;
4803 if ( line[0] == 'r' ) {
4804 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4805 ai->config.scanMode = SCANMODE_PASSIVE;
4806 set_bit (FLAG_802_11, &ai->flags);
4807 } else if ( line[0] == 'y' ) {
4808 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4809 ai->config.scanMode = SCANMODE_PASSIVE;
4810 set_bit (FLAG_802_11, &ai->flags);
4811 } else if ( line[0] == 'l' )
4812 ai->config.rmode |= RXMODE_LANMON;
4813 }
4814 set_bit (FLAG_COMMIT, &ai->flags);
4815 }
4816
4817 /*** Radio status */
4818 else if (!strncmp(line,"Radio: ", 7)) {
4819 line += 7;
4820 if (!strncmp(line,"off",3)) {
4821 set_bit (FLAG_RADIO_OFF, &ai->flags);
4822 } else {
4823 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4824 }
4825 }
4826 /*** NodeName processing */
4827 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4828 int j;
4829
4830 line += 10;
4831 memset( ai->config.nodeName, 0, 16 );
4832 /* Do the name, assume a space between the mode and node name */
4833 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4834 ai->config.nodeName[j] = line[j];
4835 }
4836 set_bit (FLAG_COMMIT, &ai->flags);
4837 }
4838
4839 /*** PowerMode processing */
4840 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4841 line += 11;
4842 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4843 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4844 set_bit (FLAG_COMMIT, &ai->flags);
4845 } else if ( !strncmp( line, "PSP", 3 ) ) {
4846 ai->config.powerSaveMode = POWERSAVE_PSP;
4847 set_bit (FLAG_COMMIT, &ai->flags);
4848 } else {
4849 ai->config.powerSaveMode = POWERSAVE_CAM;
4850 set_bit (FLAG_COMMIT, &ai->flags);
4851 }
4852 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4853 int v, i = 0, k = 0; /* i is index into line,
4854 k is index to rates */
4855
4856 line += 11;
4857 while((v = get_dec_u16(line, &i, 3))!=-1) {
4858 ai->config.rates[k++] = (u8)v;
4859 line += i + 1;
4860 i = 0;
4861 }
4862 set_bit (FLAG_COMMIT, &ai->flags);
4863 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4864 int v, i = 0;
4865 line += 9;
4866 v = get_dec_u16(line, &i, i+3);
4867 if ( v != -1 ) {
4868 ai->config.channelSet = cpu_to_le16(v);
4869 set_bit (FLAG_COMMIT, &ai->flags);
4870 }
4871 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4872 int v, i = 0;
4873 line += 11;
4874 v = get_dec_u16(line, &i, i+3);
4875 if ( v != -1 ) {
4876 ai->config.txPower = cpu_to_le16(v);
4877 set_bit (FLAG_COMMIT, &ai->flags);
4878 }
4879 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4880 line += 5;
4881 switch( line[0] ) {
4882 case 's':
4883 ai->config.authType = AUTH_SHAREDKEY;
4884 break;
4885 case 'e':
4886 ai->config.authType = AUTH_ENCRYPT;
4887 break;
4888 default:
4889 ai->config.authType = AUTH_OPEN;
4890 break;
4891 }
4892 set_bit (FLAG_COMMIT, &ai->flags);
4893 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4894 int v, i = 0;
4895
4896 line += 16;
4897 v = get_dec_u16(line, &i, 3);
4898 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4899 ai->config.longRetryLimit = cpu_to_le16(v);
4900 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4902 int v, i = 0;
4903
4904 line += 17;
4905 v = get_dec_u16(line, &i, 3);
4906 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4907 ai->config.shortRetryLimit = cpu_to_le16(v);
4908 set_bit (FLAG_COMMIT, &ai->flags);
4909 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4910 int v, i = 0;
4911
4912 line += 14;
4913 v = get_dec_u16(line, &i, 4);
4914 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4915 ai->config.rtsThres = cpu_to_le16(v);
4916 set_bit (FLAG_COMMIT, &ai->flags);
4917 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4918 int v, i = 0;
4919
4920 line += 16;
4921 v = get_dec_u16(line, &i, 5);
4922 v = (v<0) ? 0 : v;
4923 ai->config.txLifetime = cpu_to_le16(v);
4924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4926 int v, i = 0;
4927
4928 line += 16;
4929 v = get_dec_u16(line, &i, 5);
4930 v = (v<0) ? 0 : v;
4931 ai->config.rxLifetime = cpu_to_le16(v);
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4934 ai->config.txDiversity =
4935 (line[13]=='l') ? 1 :
4936 ((line[13]=='r')? 2: 3);
4937 set_bit (FLAG_COMMIT, &ai->flags);
4938 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4939 ai->config.rxDiversity =
4940 (line[13]=='l') ? 1 :
4941 ((line[13]=='r')? 2: 3);
4942 set_bit (FLAG_COMMIT, &ai->flags);
4943 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4944 int v, i = 0;
4945
4946 line += 15;
4947 v = get_dec_u16(line, &i, 4);
4948 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4949 v = v & 0xfffe; /* Make sure its even */
4950 ai->config.fragThresh = cpu_to_le16(v);
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if (!strncmp(line, "Modulation: ", 12)) {
4953 line += 12;
4954 switch(*line) {
4955 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4956 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4957 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4958 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4959 }
4960 } else if (!strncmp(line, "Preamble: ", 10)) {
4961 line += 10;
4962 switch(*line) {
4963 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4964 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4965 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4966 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4967 }
4968 } else {
4969 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4970 }
4971 while( line[0] && line[0] != '\n' ) line++;
4972 if ( line[0] ) line++;
4973 }
4974 airo_config_commit(dev, NULL, NULL, NULL);
4975 }
4976
4977 static char *get_rmode(__le16 mode)
4978 {
4979 switch(mode & RXMODE_MASK) {
4980 case RXMODE_RFMON: return "rfmon";
4981 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4982 case RXMODE_LANMON: return "lanmon";
4983 }
4984 return "ESS";
4985 }
4986
4987 static int proc_config_open(struct inode *inode, struct file *file)
4988 {
4989 struct proc_data *data;
4990 struct proc_dir_entry *dp = PDE(inode);
4991 struct net_device *dev = dp->data;
4992 struct airo_info *ai = dev->priv;
4993 int i;
4994 __le16 mode;
4995
4996 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4997 return -ENOMEM;
4998 data = (struct proc_data *)file->private_data;
4999 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5000 kfree (file->private_data);
5001 return -ENOMEM;
5002 }
5003 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5004 kfree (data->rbuffer);
5005 kfree (file->private_data);
5006 return -ENOMEM;
5007 }
5008 data->maxwritelen = 2048;
5009 data->on_close = proc_config_on_close;
5010
5011 readConfigRid(ai, 1);
5012
5013 mode = ai->config.opmode & MODE_CFG_MASK;
5014 i = sprintf( data->rbuffer,
5015 "Mode: %s\n"
5016 "Radio: %s\n"
5017 "NodeName: %-16s\n"
5018 "PowerMode: %s\n"
5019 "DataRates: %d %d %d %d %d %d %d %d\n"
5020 "Channel: %d\n"
5021 "XmitPower: %d\n",
5022 mode == MODE_STA_IBSS ? "adhoc" :
5023 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5024 mode == MODE_AP ? "AP" :
5025 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5026 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5027 ai->config.nodeName,
5028 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5029 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5030 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5031 "Error",
5032 (int)ai->config.rates[0],
5033 (int)ai->config.rates[1],
5034 (int)ai->config.rates[2],
5035 (int)ai->config.rates[3],
5036 (int)ai->config.rates[4],
5037 (int)ai->config.rates[5],
5038 (int)ai->config.rates[6],
5039 (int)ai->config.rates[7],
5040 le16_to_cpu(ai->config.channelSet),
5041 le16_to_cpu(ai->config.txPower)
5042 );
5043 sprintf( data->rbuffer + i,
5044 "LongRetryLimit: %d\n"
5045 "ShortRetryLimit: %d\n"
5046 "RTSThreshold: %d\n"
5047 "TXMSDULifetime: %d\n"
5048 "RXMSDULifetime: %d\n"
5049 "TXDiversity: %s\n"
5050 "RXDiversity: %s\n"
5051 "FragThreshold: %d\n"
5052 "WEP: %s\n"
5053 "Modulation: %s\n"
5054 "Preamble: %s\n",
5055 le16_to_cpu(ai->config.longRetryLimit),
5056 le16_to_cpu(ai->config.shortRetryLimit),
5057 le16_to_cpu(ai->config.rtsThres),
5058 le16_to_cpu(ai->config.txLifetime),
5059 le16_to_cpu(ai->config.rxLifetime),
5060 ai->config.txDiversity == 1 ? "left" :
5061 ai->config.txDiversity == 2 ? "right" : "both",
5062 ai->config.rxDiversity == 1 ? "left" :
5063 ai->config.rxDiversity == 2 ? "right" : "both",
5064 le16_to_cpu(ai->config.fragThresh),
5065 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5066 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5067 ai->config.modulation == MOD_DEFAULT ? "default" :
5068 ai->config.modulation == MOD_CCK ? "cck" :
5069 ai->config.modulation == MOD_MOK ? "mok" : "error",
5070 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5071 ai->config.preamble == PREAMBLE_LONG ? "long" :
5072 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5073 );
5074 data->readlen = strlen( data->rbuffer );
5075 return 0;
5076 }
5077
5078 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5079 {
5080 struct proc_data *data = (struct proc_data *)file->private_data;
5081 struct proc_dir_entry *dp = PDE(inode);
5082 struct net_device *dev = dp->data;
5083 struct airo_info *ai = dev->priv;
5084 SsidRid SSID_rid;
5085 int i;
5086 char *p = data->wbuffer;
5087 char *end = p + data->writelen;
5088
5089 if (!data->writelen)
5090 return;
5091
5092 *end = '\n'; /* sentinel; we have space for it */
5093
5094 memset(&SSID_rid, 0, sizeof(SSID_rid));
5095
5096 for (i = 0; i < 3 && p < end; i++) {
5097 int j = 0;
5098 /* copy up to 32 characters from this line */
5099 while (*p != '\n' && j < 32)
5100 SSID_rid.ssids[i].ssid[j++] = *p++;
5101 if (j == 0)
5102 break;
5103 SSID_rid.ssids[i].len = cpu_to_le16(j);
5104 /* skip to the beginning of the next line */
5105 while (*p++ != '\n')
5106 ;
5107 }
5108 if (i)
5109 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5110 disable_MAC(ai, 1);
5111 writeSsidRid(ai, &SSID_rid, 1);
5112 enable_MAC(ai, 1);
5113 }
5114
5115 static inline u8 hexVal(char c) {
5116 if (c>='' && c<='9') return c -= '';
5117 if (c>='a' && c<='f') return c -= 'a'-10;
5118 if (c>='A' && c<='F') return c -= 'A'-10;
5119 return 0;
5120 }
5121
5122 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5123 struct proc_data *data = (struct proc_data *)file->private_data;
5124 struct proc_dir_entry *dp = PDE(inode);
5125 struct net_device *dev = dp->data;
5126 struct airo_info *ai = dev->priv;
5127 APListRid APList_rid;
5128 int i;
5129
5130 if ( !data->writelen ) return;
5131
5132 memset( &APList_rid, 0, sizeof(APList_rid) );
5133 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5134
5135 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5136 int j;
5137 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5138 switch(j%3) {
5139 case 0:
5140 APList_rid.ap[i][j/3]=
5141 hexVal(data->wbuffer[j+i*6*3])<<4;
5142 break;
5143 case 1:
5144 APList_rid.ap[i][j/3]|=
5145 hexVal(data->wbuffer[j+i*6*3]);
5146 break;
5147 }
5148 }
5149 }
5150 disable_MAC(ai, 1);
5151 writeAPListRid(ai, &APList_rid, 1);
5152 enable_MAC(ai, 1);
5153 }
5154
5155 /* This function wraps PC4500_writerid with a MAC disable */
5156 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5157 int len, int dummy ) {
5158 int rc;
5159
5160 disable_MAC(ai, 1);
5161 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5162 enable_MAC(ai, 1);
5163 return rc;
5164 }
5165
5166 /* Returns the length of the key at the index. If index == 0xffff
5167 * the index of the transmit key is returned. If the key doesn't exist,
5168 * -1 will be returned.
5169 */
5170 static int get_wep_key(struct airo_info *ai, u16 index) {
5171 WepKeyRid wkr;
5172 int rc;
5173 __le16 lastindex;
5174
5175 rc = readWepKeyRid(ai, &wkr, 1, 1);
5176 if (rc == SUCCESS) do {
5177 lastindex = wkr.kindex;
5178 if (wkr.kindex == cpu_to_le16(index)) {
5179 if (index == 0xffff) {
5180 return wkr.mac[0];
5181 }
5182 return le16_to_cpu(wkr.klen);
5183 }
5184 readWepKeyRid(ai, &wkr, 0, 1);
5185 } while (lastindex != wkr.kindex);
5186 return -1;
5187 }
5188
5189 static int set_wep_key(struct airo_info *ai, u16 index,
5190 const char *key, u16 keylen, int perm, int lock )
5191 {
5192 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5193 WepKeyRid wkr;
5194
5195 memset(&wkr, 0, sizeof(wkr));
5196 if (keylen == 0) {
5197 // We are selecting which key to use
5198 wkr.len = cpu_to_le16(sizeof(wkr));
5199 wkr.kindex = cpu_to_le16(0xffff);
5200 wkr.mac[0] = (char)index;
5201 if (perm) ai->defindex = (char)index;
5202 } else {
5203 // We are actually setting the key
5204 wkr.len = cpu_to_le16(sizeof(wkr));
5205 wkr.kindex = cpu_to_le16(index);
5206 wkr.klen = cpu_to_le16(keylen);
5207 memcpy( wkr.key, key, keylen );
5208 memcpy( wkr.mac, macaddr, ETH_ALEN );
5209 }
5210
5211 if (perm) disable_MAC(ai, lock);
5212 writeWepKeyRid(ai, &wkr, perm, lock);
5213 if (perm) enable_MAC(ai, lock);
5214 return 0;
5215 }
5216
5217 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5218 struct proc_data *data;
5219 struct proc_dir_entry *dp = PDE(inode);
5220 struct net_device *dev = dp->data;
5221 struct airo_info *ai = dev->priv;
5222 int i;
5223 char key[16];
5224 u16 index = 0;
5225 int j = 0;
5226
5227 memset(key, 0, sizeof(key));
5228
5229 data = (struct proc_data *)file->private_data;
5230 if ( !data->writelen ) return;
5231
5232 if (data->wbuffer[0] >= '' && data->wbuffer[0] <= '3' &&
5233 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5234 index = data->wbuffer[0] - '';
5235 if (data->wbuffer[1] == '\n') {
5236 set_wep_key(ai, index, NULL, 0, 1, 1);
5237 return;
5238 }
5239 j = 2;
5240 } else {
5241 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5242 return;
5243 }
5244
5245 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5246 switch(i%3) {
5247 case 0:
5248 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5249 break;
5250 case 1:
5251 key[i/3] |= hexVal(data->wbuffer[i+j]);
5252 break;
5253 }
5254 }
5255 set_wep_key(ai, index, key, i/3, 1, 1);
5256 }
5257
5258 static int proc_wepkey_open( struct inode *inode, struct file *file )
5259 {
5260 struct proc_data *data;
5261 struct proc_dir_entry *dp = PDE(inode);
5262 struct net_device *dev = dp->data;
5263 struct airo_info *ai = dev->priv;
5264 char *ptr;
5265 WepKeyRid wkr;
5266 __le16 lastindex;
5267 int j=0;
5268 int rc;
5269
5270 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5271 return -ENOMEM;
5272 memset(&wkr, 0, sizeof(wkr));
5273 data = (struct proc_data *)file->private_data;
5274 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5275 kfree (file->private_data);
5276 return -ENOMEM;
5277 }
5278 data->writelen = 0;
5279 data->maxwritelen = 80;
5280 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5281 kfree (data->rbuffer);
5282 kfree (file->private_data);
5283 return -ENOMEM;
5284 }
5285 data->on_close = proc_wepkey_on_close;
5286
5287 ptr = data->rbuffer;
5288 strcpy(ptr, "No wep keys\n");
5289 rc = readWepKeyRid(ai, &wkr, 1, 1);
5290 if (rc == SUCCESS) do {
5291 lastindex = wkr.kindex;
5292 if (wkr.kindex == cpu_to_le16(0xffff)) {
5293 j += sprintf(ptr+j, "Tx key = %d\n",
5294 (int)wkr.mac[0]);
5295 } else {
5296 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5297 le16_to_cpu(wkr.kindex),
5298 le16_to_cpu(wkr.klen));
5299 }
5300 readWepKeyRid(ai, &wkr, 0, 1);
5301 } while((lastindex != wkr.kindex) && (j < 180-30));
5302
5303 data->readlen = strlen( data->rbuffer );
5304 return 0;
5305 }
5306
5307 static int proc_SSID_open(struct inode *inode, struct file *file)
5308 {
5309 struct proc_data *data;
5310 struct proc_dir_entry *dp = PDE(inode);
5311 struct net_device *dev = dp->data;
5312 struct airo_info *ai = dev->priv;
5313 int i;
5314 char *ptr;
5315 SsidRid SSID_rid;
5316
5317 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5318 return -ENOMEM;
5319 data = (struct proc_data *)file->private_data;
5320 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5321 kfree (file->private_data);
5322 return -ENOMEM;
5323 }
5324 data->writelen = 0;
5325 data->maxwritelen = 33*3;
5326 /* allocate maxwritelen + 1; we'll want a sentinel */
5327 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5328 kfree (data->rbuffer);
5329 kfree (file->private_data);
5330 return -ENOMEM;
5331 }
5332 data->on_close = proc_SSID_on_close;
5333
5334 readSsidRid(ai, &SSID_rid);
5335 ptr = data->rbuffer;
5336 for (i = 0; i < 3; i++) {
5337 int j;
5338 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5339 if (!len)
5340 break;
5341 if (len > 32)
5342 len = 32;
5343 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5344 *ptr++ = SSID_rid.ssids[i].ssid[j];
5345 *ptr++ = '\n';
5346 }
5347 *ptr = '\0';
5348 data->readlen = strlen( data->rbuffer );
5349 return 0;
5350 }
5351
5352 static int proc_APList_open( struct inode *inode, struct file *file ) {
5353 struct proc_data *data;
5354 struct proc_dir_entry *dp = PDE(inode);
5355 struct net_device *dev = dp->data;
5356 struct airo_info *ai = dev->priv;
5357 int i;
5358 char *ptr;
5359 APListRid APList_rid;
5360 DECLARE_MAC_BUF(mac);
5361
5362 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5363 return -ENOMEM;
5364 data = (struct proc_data *)file->private_data;
5365 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5366 kfree (file->private_data);
5367 return -ENOMEM;
5368 }
5369 data->writelen = 0;
5370 data->maxwritelen = 4*6*3;
5371 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5372 kfree (data->rbuffer);
5373 kfree (file->private_data);
5374 return -ENOMEM;
5375 }
5376 data->on_close = proc_APList_on_close;
5377
5378 readAPListRid(ai, &APList_rid);
5379 ptr = data->rbuffer;
5380 for( i = 0; i < 4; i++ ) {
5381 // We end when we find a zero MAC
5382 if ( !*(int*)APList_rid.ap[i] &&
5383 !*(int*)&APList_rid.ap[i][2]) break;
5384 ptr += sprintf(ptr, "%s\n",
5385 print_mac(mac, APList_rid.ap[i]));
5386 }
5387 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5388
5389 *ptr = '\0';
5390 data->readlen = strlen( data->rbuffer );
5391 return 0;
5392 }
5393
5394 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5395 struct proc_data *data;
5396 struct proc_dir_entry *dp = PDE(inode);
5397 struct net_device *dev = dp->data;
5398 struct airo_info *ai = dev->priv;
5399 char *ptr;
5400 BSSListRid BSSList_rid;
5401 int rc;
5402 /* If doLoseSync is not 1, we won't do a Lose Sync */
5403 int doLoseSync = -1;
5404 DECLARE_MAC_BUF(mac);
5405
5406 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5407 return -ENOMEM;
5408 data = (struct proc_data *)file->private_data;
5409 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5410 kfree (file->private_data);
5411 return -ENOMEM;
5412 }
5413 data->writelen = 0;
5414 data->maxwritelen = 0;
5415 data->wbuffer = NULL;
5416 data->on_close = NULL;
5417
5418 if (file->f_mode & FMODE_WRITE) {
5419 if (!(file->f_mode & FMODE_READ)) {
5420 Cmd cmd;
5421 Resp rsp;
5422
5423 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5424 memset(&cmd, 0, sizeof(cmd));
5425 cmd.cmd=CMD_LISTBSS;
5426 if (down_interruptible(&ai->sem))
5427 return -ERESTARTSYS;
5428 issuecommand(ai, &cmd, &rsp);
5429 up(&ai->sem);
5430 data->readlen = 0;
5431 return 0;
5432 }
5433 doLoseSync = 1;
5434 }
5435 ptr = data->rbuffer;
5436 /* There is a race condition here if there are concurrent opens.
5437 Since it is a rare condition, we'll just live with it, otherwise
5438 we have to add a spin lock... */
5439 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5440 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5441 ptr += sprintf(ptr, "%s %*s rssi = %d",
5442 print_mac(mac, BSSList_rid.bssid),
5443 (int)BSSList_rid.ssidLen,
5444 BSSList_rid.ssid,
5445 le16_to_cpu(BSSList_rid.dBm));
5446 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5447 le16_to_cpu(BSSList_rid.dsChannel),
5448 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5449 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5450 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5451 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5452 rc = readBSSListRid(ai, 0, &BSSList_rid);
5453 }
5454 *ptr = '\0';
5455 data->readlen = strlen( data->rbuffer );
5456 return 0;
5457 }
5458
5459 static int proc_close( struct inode *inode, struct file *file )
5460 {
5461 struct proc_data *data = file->private_data;
5462
5463 if (data->on_close != NULL)
5464 data->on_close(inode, file);
5465 kfree(data->rbuffer);
5466 kfree(data->wbuffer);
5467 kfree(data);
5468 return 0;
5469 }
5470
5471 /* Since the card doesn't automatically switch to the right WEP mode,
5472 we will make it do it. If the card isn't associated, every secs we
5473 will switch WEP modes to see if that will help. If the card is
5474 associated we will check every minute to see if anything has
5475 changed. */
5476 static void timer_func( struct net_device *dev ) {
5477 struct airo_info *apriv = dev->priv;
5478
5479 /* We don't have a link so try changing the authtype */
5480 readConfigRid(apriv, 0);
5481 disable_MAC(apriv, 0);
5482 switch(apriv->config.authType) {
5483 case AUTH_ENCRYPT:
5484 /* So drop to OPEN */
5485 apriv->config.authType = AUTH_OPEN;
5486 break;
5487 case AUTH_SHAREDKEY:
5488 if (apriv->keyindex < auto_wep) {
5489 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5490 apriv->config.authType = AUTH_SHAREDKEY;
5491 apriv->keyindex++;
5492 } else {
5493 /* Drop to ENCRYPT */
5494 apriv->keyindex = 0;
5495 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5496 apriv->config.authType = AUTH_ENCRYPT;
5497 }
5498 break;
5499 default: /* We'll escalate to SHAREDKEY */
5500 apriv->config.authType = AUTH_SHAREDKEY;
5501 }
5502 set_bit (FLAG_COMMIT, &apriv->flags);
5503 writeConfigRid(apriv, 0);
5504 enable_MAC(apriv, 0);
5505 up(&apriv->sem);
5506
5507 /* Schedule check to see if the change worked */
5508 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5509 apriv->expires = RUN_AT(HZ*3);
5510 }
5511
5512 #ifdef CONFIG_PCI
5513 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5514 const struct pci_device_id *pent)
5515 {
5516 struct net_device *dev;
5517
5518 if (pci_enable_device(pdev))
5519 return -ENODEV;
5520 pci_set_master(pdev);
5521
5522 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5523 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5524 else
5525 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5526 if (!dev) {
5527 pci_disable_device(pdev);
5528 return -ENODEV;
5529 }
5530
5531 pci_set_drvdata(pdev, dev);
5532 return 0;
5533 }
5534
5535 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5536 {
5537 struct net_device *dev = pci_get_drvdata(pdev);
5538
5539 airo_print_info(dev->name, "Unregistering...");
5540 stop_airo_card(dev, 1);
5541 pci_disable_device(pdev);
5542 pci_set_drvdata(pdev, NULL);
5543 }
5544
5545 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5546 {
5547 struct net_device *dev = pci_get_drvdata(pdev);
5548 struct airo_info *ai = dev->priv;
5549 Cmd cmd;
5550 Resp rsp;
5551
5552 if ((ai->APList == NULL) &&
5553 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5554 return -ENOMEM;
5555 if ((ai->SSID == NULL) &&
5556 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5557 return -ENOMEM;
5558 readAPListRid(ai, ai->APList);
5559 readSsidRid(ai, ai->SSID);
5560 memset(&cmd, 0, sizeof(cmd));
5561 /* the lock will be released at the end of the resume callback */
5562 if (down_interruptible(&ai->sem))
5563 return -EAGAIN;
5564 disable_MAC(ai, 0);
5565 netif_device_detach(dev);
5566 ai->power = state;
5567 cmd.cmd=HOSTSLEEP;
5568 issuecommand(ai, &cmd, &rsp);
5569
5570 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5571 pci_save_state(pdev);
5572 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5573 }
5574
5575 static int airo_pci_resume(struct pci_dev *pdev)
5576 {
5577 struct net_device *dev = pci_get_drvdata(pdev);
5578 struct airo_info *ai = dev->priv;
5579 pci_power_t prev_state = pdev->current_state;
5580
5581 pci_set_power_state(pdev, PCI_D0);
5582 pci_restore_state(pdev);
5583 pci_enable_wake(pdev, PCI_D0, 0);
5584
5585 if (prev_state != PCI_D1) {
5586 reset_card(dev, 0);
5587 mpi_init_descriptors(ai);
5588 setup_card(ai, dev->dev_addr, 0);
5589 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5590 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5591 } else {
5592 OUT4500(ai, EVACK, EV_AWAKEN);
5593 OUT4500(ai, EVACK, EV_AWAKEN);
5594 msleep(100);
5595 }
5596
5597 set_bit (FLAG_COMMIT, &ai->flags);
5598 disable_MAC(ai, 0);
5599 msleep(200);
5600 if (ai->SSID) {
5601 writeSsidRid(ai, ai->SSID, 0);
5602 kfree(ai->SSID);
5603 ai->SSID = NULL;
5604 }
5605 if (ai->APList) {
5606 writeAPListRid(ai, ai->APList, 0);
5607 kfree(ai->APList);
5608 ai->APList = NULL;
5609 }
5610 writeConfigRid(ai, 0);
5611 enable_MAC(ai, 0);
5612 ai->power = PMSG_ON;
5613 netif_device_attach(dev);
5614 netif_wake_queue(dev);
5615 enable_interrupts(ai);
5616 up(&ai->sem);
5617 return 0;
5618 }
5619 #endif
5620
5621 static int __init airo_init_module( void )
5622 {
5623 int i;
5624 #if 0
5625 int have_isa_dev = 0;
5626 #endif
5627
5628 airo_entry = create_proc_entry("aironet",
5629 S_IFDIR | airo_perm,
5630 proc_root_driver);
5631
5632 if (airo_entry) {
5633 airo_entry->uid = proc_uid;
5634 airo_entry->gid = proc_gid;
5635 }
5636
5637 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5638 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5639 "io=0x%x", irq[i], io[i] );
5640 if (init_airo_card( irq[i], io[i], 0, NULL ))
5641 #if 0
5642 have_isa_dev = 1;
5643 #else
5644 /* do nothing */ ;
5645 #endif
5646 }
5647
5648 #ifdef CONFIG_PCI
5649 airo_print_info("", "Probing for PCI adapters");
5650 i = pci_register_driver(&airo_driver);
5651 airo_print_info("", "Finished probing for PCI adapters");
5652
5653 if (i) {
5654 remove_proc_entry("aironet", proc_root_driver);
5655 return i;
5656 }
5657 #endif
5658
5659 /* Always exit with success, as we are a library module
5660 * as well as a driver module
5661 */
5662 return 0;
5663 }
5664
5665 static void __exit airo_cleanup_module( void )
5666 {
5667 struct airo_info *ai;
5668 while(!list_empty(&airo_devices)) {
5669 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5670 airo_print_info(ai->dev->name, "Unregistering...");
5671 stop_airo_card(ai->dev, 1);
5672 }
5673 #ifdef CONFIG_PCI
5674 pci_unregister_driver(&airo_driver);
5675 #endif
5676 remove_proc_entry("aironet", proc_root_driver);
5677 }
5678
5679 /*
5680 * Initial Wireless Extension code for Aironet driver by :
5681 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5682 * Conversion to new driver API by :
5683 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5684 * Javier also did a good amount of work here, adding some new extensions
5685 * and fixing my code. Let's just say that without him this code just
5686 * would not work at all... - Jean II
5687 */
5688
5689 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5690 {
5691 if( !rssi_rid )
5692 return 0;
5693
5694 return (0x100 - rssi_rid[rssi].rssidBm);
5695 }
5696
5697 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5698 {
5699 int i;
5700
5701 if( !rssi_rid )
5702 return 0;
5703
5704 for( i = 0; i < 256; i++ )
5705 if (rssi_rid[i].rssidBm == dbm)
5706 return rssi_rid[i].rssipct;
5707
5708 return 0;
5709 }
5710
5711
5712 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5713 {
5714 int quality = 0;
5715 u16 sq;
5716
5717 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5718 return 0;
5719
5720 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5721 return 0;
5722
5723 sq = le16_to_cpu(status_rid->signalQuality);
5724 if (memcmp(cap_rid->prodName, "350", 3))
5725 if (sq > 0x20)
5726 quality = 0;
5727 else
5728 quality = 0x20 - sq;
5729 else
5730 if (sq > 0xb0)
5731 quality = 0;
5732 else if (sq < 0x10)
5733 quality = 0xa0;
5734 else
5735 quality = 0xb0 - sq;
5736 return quality;
5737 }
5738
5739 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5740 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5741
5742 /*------------------------------------------------------------------*/
5743 /*
5744 * Wireless Handler : get protocol name
5745 */
5746 static int airo_get_name(struct net_device *dev,
5747 struct iw_request_info *info,
5748 char *cwrq,
5749 char *extra)
5750 {
5751 strcpy(cwrq, "IEEE 802.11-DS");
5752 return 0;
5753 }
5754
5755 /*------------------------------------------------------------------*/
5756 /*
5757 * Wireless Handler : set frequency
5758 */
5759 static int airo_set_freq(struct net_device *dev,
5760 struct iw_request_info *info,
5761 struct iw_freq *fwrq,
5762 char *extra)
5763 {
5764 struct airo_info *local = dev->priv;
5765 int rc = -EINPROGRESS; /* Call commit handler */
5766
5767 /* If setting by frequency, convert to a channel */
5768 if((fwrq->e == 1) &&
5769 (fwrq->m >= (int) 2.412e8) &&
5770 (fwrq->m <= (int) 2.487e8)) {
5771 int f = fwrq->m / 100000;
5772 int c = 0;
5773 while((c < 14) && (f != frequency_list[c]))
5774 c++;
5775 /* Hack to fall through... */
5776 fwrq->e = 0;
5777 fwrq->m = c + 1;
5778 }
5779 /* Setting by channel number */
5780 if((fwrq->m > 1000) || (fwrq->e > 0))
5781 rc = -EOPNOTSUPP;
5782 else {
5783 int channel = fwrq->m;
5784 /* We should do a better check than that,
5785 * based on the card capability !!! */
5786 if((channel < 1) || (channel > 14)) {
5787 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5788 fwrq->m);
5789 rc = -EINVAL;
5790 } else {
5791 readConfigRid(local, 1);
5792 /* Yes ! We can set it !!! */
5793 local->config.channelSet = cpu_to_le16(channel);
5794 set_bit (FLAG_COMMIT, &local->flags);
5795 }
5796 }
5797 return rc;
5798 }
5799
5800 /*------------------------------------------------------------------*/
5801 /*
5802 * Wireless Handler : get frequency
5803 */
5804 static int airo_get_freq(struct net_device *dev,
5805 struct iw_request_info *info,
5806 struct iw_freq *fwrq,
5807 char *extra)
5808 {
5809 struct airo_info *local = dev->priv;
5810 StatusRid status_rid; /* Card status info */
5811 int ch;
5812
5813 readConfigRid(local, 1);
5814 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5815 status_rid.channel = local->config.channelSet;
5816 else
5817 readStatusRid(local, &status_rid, 1);
5818
5819 ch = le16_to_cpu(status_rid.channel);
5820 if((ch > 0) && (ch < 15)) {
5821 fwrq->m = frequency_list[ch - 1] * 100000;
5822 fwrq->e = 1;
5823 } else {
5824 fwrq->m = ch;
5825 fwrq->e = 0;
5826 }
5827
5828 return 0;
5829 }
5830
5831 /*------------------------------------------------------------------*/
5832 /*
5833 * Wireless Handler : set ESSID
5834 */
5835 static int airo_set_essid(struct net_device *dev,
5836 struct iw_request_info *info,
5837 struct iw_point *dwrq,
5838 char *extra)
5839 {
5840 struct airo_info *local = dev->priv;
5841 SsidRid SSID_rid; /* SSIDs */
5842
5843 /* Reload the list of current SSID */
5844 readSsidRid(local, &SSID_rid);
5845
5846 /* Check if we asked for `any' */
5847 if(dwrq->flags == 0) {
5848 /* Just send an empty SSID list */
5849 memset(&SSID_rid, 0, sizeof(SSID_rid));
5850 } else {
5851 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5852
5853 /* Check the size of the string */
5854 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5855 return -E2BIG ;
5856 }
5857 /* Check if index is valid */
5858 if((index < 0) || (index >= 4)) {
5859 return -EINVAL;
5860 }
5861
5862 /* Set the SSID */
5863 memset(SSID_rid.ssids[index].ssid, 0,
5864 sizeof(SSID_rid.ssids[index].ssid));
5865 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5866 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5867 }
5868 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5869 /* Write it to the card */
5870 disable_MAC(local, 1);
5871 writeSsidRid(local, &SSID_rid, 1);
5872 enable_MAC(local, 1);
5873
5874 return 0;
5875 }
5876
5877 /*------------------------------------------------------------------*/
5878 /*
5879 * Wireless Handler : get ESSID
5880 */
5881 static int airo_get_essid(struct net_device *dev,
5882 struct iw_request_info *info,
5883 struct iw_point *dwrq,
5884 char *extra)
5885 {
5886 struct airo_info *local = dev->priv;
5887 StatusRid status_rid; /* Card status info */
5888
5889 readStatusRid(local, &status_rid, 1);
5890
5891 /* Note : if dwrq->flags != 0, we should
5892 * get the relevant SSID from the SSID list... */
5893
5894 /* Get the current SSID */
5895 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5896 /* If none, we may want to get the one that was set */
5897
5898 /* Push it out ! */
5899 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5900 dwrq->flags = 1; /* active */
5901
5902 return 0;
5903 }
5904
5905 /*------------------------------------------------------------------*/
5906 /*
5907 * Wireless Handler : set AP address
5908 */
5909 static int airo_set_wap(struct net_device *dev,
5910 struct iw_request_info *info,
5911 struct sockaddr *awrq,
5912 char *extra)
5913 {
5914 struct airo_info *local = dev->priv;
5915 Cmd cmd;
5916 Resp rsp;
5917 APListRid APList_rid;
5918 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5919 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5920
5921 if (awrq->sa_family != ARPHRD_ETHER)
5922 return -EINVAL;
5923 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5924 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5925 memset(&cmd, 0, sizeof(cmd));
5926 cmd.cmd=CMD_LOSE_SYNC;
5927 if (down_interruptible(&local->sem))
5928 return -ERESTARTSYS;
5929 issuecommand(local, &cmd, &rsp);
5930 up(&local->sem);
5931 } else {
5932 memset(&APList_rid, 0, sizeof(APList_rid));
5933 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5934 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5935 disable_MAC(local, 1);
5936 writeAPListRid(local, &APList_rid, 1);
5937 enable_MAC(local, 1);
5938 }
5939 return 0;
5940 }
5941
5942 /*------------------------------------------------------------------*/