wireless: airo_cs build fixes
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / airo.c
blob260fb9905e97f82222901242d6c9117767f511ae
1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
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.
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>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
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>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
53 #include <linux/ieee80211.h>
54 #include <net/iw_handler.h>
56 #include "airo.h"
58 #define DRV_NAME "airo"
60 #ifdef CONFIG_PCI
61 static struct pci_device_id card_ids[] = {
62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 { 0, }
71 MODULE_DEVICE_TABLE(pci, card_ids);
73 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
74 static void airo_pci_remove(struct pci_dev *);
75 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
76 static int airo_pci_resume(struct pci_dev *pdev);
78 static struct pci_driver airo_driver = {
79 .name = DRV_NAME,
80 .id_table = card_ids,
81 .probe = airo_pci_probe,
82 .remove = __devexit_p(airo_pci_remove),
83 .suspend = airo_pci_suspend,
84 .resume = airo_pci_resume,
86 #endif /* CONFIG_PCI */
88 /* Include Wireless Extension definition and check version - Jean II */
89 #include <linux/wireless.h>
90 #define WIRELESS_SPY /* enable iwspy support */
91 #include <net/iw_handler.h> /* New driver API */
93 #define CISCO_EXT /* enable Cisco extensions */
94 #ifdef CISCO_EXT
95 #include <linux/delay.h>
96 #endif
98 /* Hack to do some power saving */
99 #define POWER_ON_DOWN
101 /* As you can see this list is HUGH!
102 I really don't know what a lot of these counts are about, but they
103 are all here for completeness. If the IGNLABEL macro is put in
104 infront of the label, that statistic will not be included in the list
105 of statistics in the /proc filesystem */
107 #define IGNLABEL(comment) NULL
108 static char *statsLabels[] = {
109 "RxOverrun",
110 IGNLABEL("RxPlcpCrcErr"),
111 IGNLABEL("RxPlcpFormatErr"),
112 IGNLABEL("RxPlcpLengthErr"),
113 "RxMacCrcErr",
114 "RxMacCrcOk",
115 "RxWepErr",
116 "RxWepOk",
117 "RetryLong",
118 "RetryShort",
119 "MaxRetries",
120 "NoAck",
121 "NoCts",
122 "RxAck",
123 "RxCts",
124 "TxAck",
125 "TxRts",
126 "TxCts",
127 "TxMc",
128 "TxBc",
129 "TxUcFrags",
130 "TxUcPackets",
131 "TxBeacon",
132 "RxBeacon",
133 "TxSinColl",
134 "TxMulColl",
135 "DefersNo",
136 "DefersProt",
137 "DefersEngy",
138 "DupFram",
139 "RxFragDisc",
140 "TxAged",
141 "RxAged",
142 "LostSync-MaxRetry",
143 "LostSync-MissedBeacons",
144 "LostSync-ArlExceeded",
145 "LostSync-Deauth",
146 "LostSync-Disassoced",
147 "LostSync-TsfTiming",
148 "HostTxMc",
149 "HostTxBc",
150 "HostTxUc",
151 "HostTxFail",
152 "HostRxMc",
153 "HostRxBc",
154 "HostRxUc",
155 "HostRxDiscard",
156 IGNLABEL("HmacTxMc"),
157 IGNLABEL("HmacTxBc"),
158 IGNLABEL("HmacTxUc"),
159 IGNLABEL("HmacTxFail"),
160 IGNLABEL("HmacRxMc"),
161 IGNLABEL("HmacRxBc"),
162 IGNLABEL("HmacRxUc"),
163 IGNLABEL("HmacRxDiscard"),
164 IGNLABEL("HmacRxAccepted"),
165 "SsidMismatch",
166 "ApMismatch",
167 "RatesMismatch",
168 "AuthReject",
169 "AuthTimeout",
170 "AssocReject",
171 "AssocTimeout",
172 IGNLABEL("ReasonOutsideTable"),
173 IGNLABEL("ReasonStatus1"),
174 IGNLABEL("ReasonStatus2"),
175 IGNLABEL("ReasonStatus3"),
176 IGNLABEL("ReasonStatus4"),
177 IGNLABEL("ReasonStatus5"),
178 IGNLABEL("ReasonStatus6"),
179 IGNLABEL("ReasonStatus7"),
180 IGNLABEL("ReasonStatus8"),
181 IGNLABEL("ReasonStatus9"),
182 IGNLABEL("ReasonStatus10"),
183 IGNLABEL("ReasonStatus11"),
184 IGNLABEL("ReasonStatus12"),
185 IGNLABEL("ReasonStatus13"),
186 IGNLABEL("ReasonStatus14"),
187 IGNLABEL("ReasonStatus15"),
188 IGNLABEL("ReasonStatus16"),
189 IGNLABEL("ReasonStatus17"),
190 IGNLABEL("ReasonStatus18"),
191 IGNLABEL("ReasonStatus19"),
192 "RxMan",
193 "TxMan",
194 "RxRefresh",
195 "TxRefresh",
196 "RxPoll",
197 "TxPoll",
198 "HostRetries",
199 "LostSync-HostReq",
200 "HostTxBytes",
201 "HostRxBytes",
202 "ElapsedUsec",
203 "ElapsedSec",
204 "LostSyncBetterAP",
205 "PrivacyMismatch",
206 "Jammed",
207 "DiscRxNotWepped",
208 "PhyEleMismatch",
209 (char*)-1 };
210 #ifndef RUN_AT
211 #define RUN_AT(x) (jiffies+(x))
212 #endif
215 /* These variables are for insmod, since it seems that the rates
216 can only be set in setup_card. Rates should be a comma separated
217 (no spaces) list of rates (up to 8). */
219 static int rates[8];
220 static int basic_rate;
221 static char *ssids[3];
223 static int io[4];
224 static int irq[4];
226 static
227 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
228 0 means no limit. For old cards this was 4 */
230 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
231 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
232 the bap, needed on some older cards and buses. */
233 static int adhoc;
235 static int probe = 1;
237 static int proc_uid /* = 0 */;
239 static int proc_gid /* = 0 */;
241 static int airo_perm = 0555;
243 static int proc_perm = 0644;
245 MODULE_AUTHOR("Benjamin Reed");
246 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
247 cards. Direct support for ISA/PCI/MPI cards and support \
248 for PCMCIA when used with airo_cs.");
249 MODULE_LICENSE("Dual BSD/GPL");
250 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
251 module_param_array(io, int, NULL, 0);
252 module_param_array(irq, int, NULL, 0);
253 module_param(basic_rate, int, 0);
254 module_param_array(rates, int, NULL, 0);
255 module_param_array(ssids, charp, NULL, 0);
256 module_param(auto_wep, int, 0);
257 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
258 the authentication options until an association is made. The value of \
259 auto_wep is number of the wep keys to check. A value of 2 will try using \
260 the key at index 0 and index 1.");
261 module_param(aux_bap, int, 0);
262 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
263 than seems to work better for older cards with some older buses. Before \
264 switching it checks that the switch is needed.");
265 module_param(maxencrypt, int, 0);
266 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
267 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
268 Older cards used to be limited to 2mbs (4).");
269 module_param(adhoc, int, 0);
270 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
271 module_param(probe, int, 0);
272 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
274 module_param(proc_uid, int, 0);
275 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
276 module_param(proc_gid, int, 0);
277 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
278 module_param(airo_perm, int, 0);
279 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
280 module_param(proc_perm, int, 0);
281 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
283 /* This is a kind of sloppy hack to get this information to OUT4500 and
284 IN4500. I would be extremely interested in the situation where this
285 doesn't work though!!! */
286 static int do8bitIO /* = 0 */;
288 /* Return codes */
289 #define SUCCESS 0
290 #define ERROR -1
291 #define NO_PACKET -2
293 /* Commands */
294 #define NOP2 0x0000
295 #define MAC_ENABLE 0x0001
296 #define MAC_DISABLE 0x0002
297 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
298 #define CMD_SOFTRESET 0x0004
299 #define HOSTSLEEP 0x0005
300 #define CMD_MAGIC_PKT 0x0006
301 #define CMD_SETWAKEMASK 0x0007
302 #define CMD_READCFG 0x0008
303 #define CMD_SETMODE 0x0009
304 #define CMD_ALLOCATETX 0x000a
305 #define CMD_TRANSMIT 0x000b
306 #define CMD_DEALLOCATETX 0x000c
307 #define NOP 0x0010
308 #define CMD_WORKAROUND 0x0011
309 #define CMD_ALLOCATEAUX 0x0020
310 #define CMD_ACCESS 0x0021
311 #define CMD_PCIBAP 0x0022
312 #define CMD_PCIAUX 0x0023
313 #define CMD_ALLOCBUF 0x0028
314 #define CMD_GETTLV 0x0029
315 #define CMD_PUTTLV 0x002a
316 #define CMD_DELTLV 0x002b
317 #define CMD_FINDNEXTTLV 0x002c
318 #define CMD_PSPNODES 0x0030
319 #define CMD_SETCW 0x0031
320 #define CMD_SETPCF 0x0032
321 #define CMD_SETPHYREG 0x003e
322 #define CMD_TXTEST 0x003f
323 #define MAC_ENABLETX 0x0101
324 #define CMD_LISTBSS 0x0103
325 #define CMD_SAVECFG 0x0108
326 #define CMD_ENABLEAUX 0x0111
327 #define CMD_WRITERID 0x0121
328 #define CMD_USEPSPNODES 0x0130
329 #define MAC_ENABLERX 0x0201
331 /* Command errors */
332 #define ERROR_QUALIF 0x00
333 #define ERROR_ILLCMD 0x01
334 #define ERROR_ILLFMT 0x02
335 #define ERROR_INVFID 0x03
336 #define ERROR_INVRID 0x04
337 #define ERROR_LARGE 0x05
338 #define ERROR_NDISABL 0x06
339 #define ERROR_ALLOCBSY 0x07
340 #define ERROR_NORD 0x0B
341 #define ERROR_NOWR 0x0C
342 #define ERROR_INVFIDTX 0x0D
343 #define ERROR_TESTACT 0x0E
344 #define ERROR_TAGNFND 0x12
345 #define ERROR_DECODE 0x20
346 #define ERROR_DESCUNAV 0x21
347 #define ERROR_BADLEN 0x22
348 #define ERROR_MODE 0x80
349 #define ERROR_HOP 0x81
350 #define ERROR_BINTER 0x82
351 #define ERROR_RXMODE 0x83
352 #define ERROR_MACADDR 0x84
353 #define ERROR_RATES 0x85
354 #define ERROR_ORDER 0x86
355 #define ERROR_SCAN 0x87
356 #define ERROR_AUTH 0x88
357 #define ERROR_PSMODE 0x89
358 #define ERROR_RTYPE 0x8A
359 #define ERROR_DIVER 0x8B
360 #define ERROR_SSID 0x8C
361 #define ERROR_APLIST 0x8D
362 #define ERROR_AUTOWAKE 0x8E
363 #define ERROR_LEAP 0x8F
365 /* Registers */
366 #define COMMAND 0x00
367 #define PARAM0 0x02
368 #define PARAM1 0x04
369 #define PARAM2 0x06
370 #define STATUS 0x08
371 #define RESP0 0x0a
372 #define RESP1 0x0c
373 #define RESP2 0x0e
374 #define LINKSTAT 0x10
375 #define SELECT0 0x18
376 #define OFFSET0 0x1c
377 #define RXFID 0x20
378 #define TXALLOCFID 0x22
379 #define TXCOMPLFID 0x24
380 #define DATA0 0x36
381 #define EVSTAT 0x30
382 #define EVINTEN 0x32
383 #define EVACK 0x34
384 #define SWS0 0x28
385 #define SWS1 0x2a
386 #define SWS2 0x2c
387 #define SWS3 0x2e
388 #define AUXPAGE 0x3A
389 #define AUXOFF 0x3C
390 #define AUXDATA 0x3E
392 #define FID_TX 1
393 #define FID_RX 2
394 /* Offset into aux memory for descriptors */
395 #define AUX_OFFSET 0x800
396 /* Size of allocated packets */
397 #define PKTSIZE 1840
398 #define RIDSIZE 2048
399 /* Size of the transmit queue */
400 #define MAXTXQ 64
402 /* BAP selectors */
403 #define BAP0 0 /* Used for receiving packets */
404 #define BAP1 2 /* Used for xmiting packets and working with RIDS */
406 /* Flags */
407 #define COMMAND_BUSY 0x8000
409 #define BAP_BUSY 0x8000
410 #define BAP_ERR 0x4000
411 #define BAP_DONE 0x2000
413 #define PROMISC 0xffff
414 #define NOPROMISC 0x0000
416 #define EV_CMD 0x10
417 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_RX 0x01
419 #define EV_TX 0x02
420 #define EV_TXEXC 0x04
421 #define EV_ALLOC 0x08
422 #define EV_LINK 0x80
423 #define EV_AWAKE 0x100
424 #define EV_TXCPY 0x400
425 #define EV_UNKNOWN 0x800
426 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
427 #define EV_AWAKEN 0x2000
428 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
430 #ifdef CHECK_UNKNOWN_INTS
431 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
432 #else
433 #define IGNORE_INTS (~STATUS_INTS)
434 #endif
436 /* RID TYPES */
437 #define RID_RW 0x20
439 /* The RIDs */
440 #define RID_CAPABILITIES 0xFF00
441 #define RID_APINFO 0xFF01
442 #define RID_RADIOINFO 0xFF02
443 #define RID_UNKNOWN3 0xFF03
444 #define RID_RSSI 0xFF04
445 #define RID_CONFIG 0xFF10
446 #define RID_SSID 0xFF11
447 #define RID_APLIST 0xFF12
448 #define RID_DRVNAME 0xFF13
449 #define RID_ETHERENCAP 0xFF14
450 #define RID_WEP_TEMP 0xFF15
451 #define RID_WEP_PERM 0xFF16
452 #define RID_MODULATION 0xFF17
453 #define RID_OPTIONS 0xFF18
454 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
455 #define RID_FACTORYCONFIG 0xFF21
456 #define RID_UNKNOWN22 0xFF22
457 #define RID_LEAPUSERNAME 0xFF23
458 #define RID_LEAPPASSWORD 0xFF24
459 #define RID_STATUS 0xFF50
460 #define RID_BEACON_HST 0xFF51
461 #define RID_BUSY_HST 0xFF52
462 #define RID_RETRIES_HST 0xFF53
463 #define RID_UNKNOWN54 0xFF54
464 #define RID_UNKNOWN55 0xFF55
465 #define RID_UNKNOWN56 0xFF56
466 #define RID_MIC 0xFF57
467 #define RID_STATS16 0xFF60
468 #define RID_STATS16DELTA 0xFF61
469 #define RID_STATS16DELTACLEAR 0xFF62
470 #define RID_STATS 0xFF68
471 #define RID_STATSDELTA 0xFF69
472 #define RID_STATSDELTACLEAR 0xFF6A
473 #define RID_ECHOTEST_RID 0xFF70
474 #define RID_ECHOTEST_RESULTS 0xFF71
475 #define RID_BSSLISTFIRST 0xFF72
476 #define RID_BSSLISTNEXT 0xFF73
477 #define RID_WPA_BSSLISTFIRST 0xFF74
478 #define RID_WPA_BSSLISTNEXT 0xFF75
480 typedef struct {
481 u16 cmd;
482 u16 parm0;
483 u16 parm1;
484 u16 parm2;
485 } Cmd;
487 typedef struct {
488 u16 status;
489 u16 rsp0;
490 u16 rsp1;
491 u16 rsp2;
492 } Resp;
495 * Rids and endian-ness: The Rids will always be in cpu endian, since
496 * this all the patches from the big-endian guys end up doing that.
497 * so all rid access should use the read/writeXXXRid routines.
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
502 typedef struct WepKeyRid WepKeyRid;
503 struct WepKeyRid {
504 __le16 len;
505 __le16 kindex;
506 u8 mac[ETH_ALEN];
507 __le16 klen;
508 u8 key[16];
509 } __attribute__ ((packed));
511 /* These structures are from the Aironet's PC4500 Developers Manual */
512 typedef struct Ssid Ssid;
513 struct Ssid {
514 __le16 len;
515 u8 ssid[32];
516 } __attribute__ ((packed));
518 typedef struct SsidRid SsidRid;
519 struct SsidRid {
520 __le16 len;
521 Ssid ssids[3];
522 } __attribute__ ((packed));
524 typedef struct ModulationRid ModulationRid;
525 struct ModulationRid {
526 __le16 len;
527 __le16 modulation;
528 #define MOD_DEFAULT cpu_to_le16(0)
529 #define MOD_CCK cpu_to_le16(1)
530 #define MOD_MOK cpu_to_le16(2)
531 } __attribute__ ((packed));
533 typedef struct ConfigRid ConfigRid;
534 struct ConfigRid {
535 __le16 len; /* sizeof(ConfigRid) */
536 __le16 opmode; /* operating mode */
537 #define MODE_STA_IBSS cpu_to_le16(0)
538 #define MODE_STA_ESS cpu_to_le16(1)
539 #define MODE_AP cpu_to_le16(2)
540 #define MODE_AP_RPTR cpu_to_le16(3)
541 #define MODE_CFG_MASK cpu_to_le16(0xff)
542 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */
543 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */
544 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */
545 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */
546 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */
547 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */
548 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */
549 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */
550 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */
551 __le16 rmode; /* receive mode */
552 #define RXMODE_BC_MC_ADDR cpu_to_le16(0)
553 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */
554 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */
555 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */
556 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4)
557 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */
558 #define RXMODE_MASK cpu_to_le16(255)
559 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */
560 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER)
561 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */
562 __le16 fragThresh;
563 __le16 rtsThres;
564 u8 macAddr[ETH_ALEN];
565 u8 rates[8];
566 __le16 shortRetryLimit;
567 __le16 longRetryLimit;
568 __le16 txLifetime; /* in kusec */
569 __le16 rxLifetime; /* in kusec */
570 __le16 stationary;
571 __le16 ordering;
572 __le16 u16deviceType; /* for overriding device type */
573 __le16 cfpRate;
574 __le16 cfpDuration;
575 __le16 _reserved1[3];
576 /*---------- Scanning/Associating ----------*/
577 __le16 scanMode;
578 #define SCANMODE_ACTIVE cpu_to_le16(0)
579 #define SCANMODE_PASSIVE cpu_to_le16(1)
580 #define SCANMODE_AIROSCAN cpu_to_le16(2)
581 __le16 probeDelay; /* in kusec */
582 __le16 probeEnergyTimeout; /* in kusec */
583 __le16 probeResponseTimeout;
584 __le16 beaconListenTimeout;
585 __le16 joinNetTimeout;
586 __le16 authTimeout;
587 __le16 authType;
588 #define AUTH_OPEN cpu_to_le16(0x1)
589 #define AUTH_ENCRYPT cpu_to_le16(0x101)
590 #define AUTH_SHAREDKEY cpu_to_le16(0x102)
591 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200)
592 __le16 associationTimeout;
593 __le16 specifiedApTimeout;
594 __le16 offlineScanInterval;
595 __le16 offlineScanDuration;
596 __le16 linkLossDelay;
597 __le16 maxBeaconLostTime;
598 __le16 refreshInterval;
599 #define DISABLE_REFRESH cpu_to_le16(0xFFFF)
600 __le16 _reserved1a[1];
601 /*---------- Power save operation ----------*/
602 __le16 powerSaveMode;
603 #define POWERSAVE_CAM cpu_to_le16(0)
604 #define POWERSAVE_PSP cpu_to_le16(1)
605 #define POWERSAVE_PSPCAM cpu_to_le16(2)
606 __le16 sleepForDtims;
607 __le16 listenInterval;
608 __le16 fastListenInterval;
609 __le16 listenDecay;
610 __le16 fastListenDelay;
611 __le16 _reserved2[2];
612 /*---------- Ap/Ibss config items ----------*/
613 __le16 beaconPeriod;
614 __le16 atimDuration;
615 __le16 hopPeriod;
616 __le16 channelSet;
617 __le16 channel;
618 __le16 dtimPeriod;
619 __le16 bridgeDistance;
620 __le16 radioID;
621 /*---------- Radio configuration ----------*/
622 __le16 radioType;
623 #define RADIOTYPE_DEFAULT cpu_to_le16(0)
624 #define RADIOTYPE_802_11 cpu_to_le16(1)
625 #define RADIOTYPE_LEGACY cpu_to_le16(2)
626 u8 rxDiversity;
627 u8 txDiversity;
628 __le16 txPower;
629 #define TXPOWER_DEFAULT 0
630 __le16 rssiThreshold;
631 #define RSSI_DEFAULT 0
632 __le16 modulation;
633 #define PREAMBLE_AUTO cpu_to_le16(0)
634 #define PREAMBLE_LONG cpu_to_le16(1)
635 #define PREAMBLE_SHORT cpu_to_le16(2)
636 __le16 preamble;
637 __le16 homeProduct;
638 __le16 radioSpecific;
639 /*---------- Aironet Extensions ----------*/
640 u8 nodeName[16];
641 __le16 arlThreshold;
642 __le16 arlDecay;
643 __le16 arlDelay;
644 __le16 _reserved4[1];
645 /*---------- Aironet Extensions ----------*/
646 u8 magicAction;
647 #define MAGIC_ACTION_STSCHG 1
648 #define MAGIC_ACTION_RESUME 2
649 #define MAGIC_IGNORE_MCAST (1<<8)
650 #define MAGIC_IGNORE_BCAST (1<<9)
651 #define MAGIC_SWITCH_TO_PSP (0<<10)
652 #define MAGIC_STAY_IN_CAM (1<<10)
653 u8 magicControl;
654 __le16 autoWake;
655 } __attribute__ ((packed));
657 typedef struct StatusRid StatusRid;
658 struct StatusRid {
659 __le16 len;
660 u8 mac[ETH_ALEN];
661 __le16 mode;
662 __le16 errorCode;
663 __le16 sigQuality;
664 __le16 SSIDlen;
665 char SSID[32];
666 char apName[16];
667 u8 bssid[4][ETH_ALEN];
668 __le16 beaconPeriod;
669 __le16 dimPeriod;
670 __le16 atimDuration;
671 __le16 hopPeriod;
672 __le16 channelSet;
673 __le16 channel;
674 __le16 hopsToBackbone;
675 __le16 apTotalLoad;
676 __le16 generatedLoad;
677 __le16 accumulatedArl;
678 __le16 signalQuality;
679 __le16 currentXmitRate;
680 __le16 apDevExtensions;
681 __le16 normalizedSignalStrength;
682 __le16 shortPreamble;
683 u8 apIP[4];
684 u8 noisePercent; /* Noise percent in last second */
685 u8 noisedBm; /* Noise dBm in last second */
686 u8 noiseAvePercent; /* Noise percent in last minute */
687 u8 noiseAvedBm; /* Noise dBm in last minute */
688 u8 noiseMaxPercent; /* Highest noise percent in last minute */
689 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
690 __le16 load;
691 u8 carrier[4];
692 __le16 assocStatus;
693 #define STAT_NOPACKETS 0
694 #define STAT_NOCARRIERSET 10
695 #define STAT_GOTCARRIERSET 11
696 #define STAT_WRONGSSID 20
697 #define STAT_BADCHANNEL 25
698 #define STAT_BADBITRATES 30
699 #define STAT_BADPRIVACY 35
700 #define STAT_APFOUND 40
701 #define STAT_APREJECTED 50
702 #define STAT_AUTHENTICATING 60
703 #define STAT_DEAUTHENTICATED 61
704 #define STAT_AUTHTIMEOUT 62
705 #define STAT_ASSOCIATING 70
706 #define STAT_DEASSOCIATED 71
707 #define STAT_ASSOCTIMEOUT 72
708 #define STAT_NOTAIROAP 73
709 #define STAT_ASSOCIATED 80
710 #define STAT_LEAPING 90
711 #define STAT_LEAPFAILED 91
712 #define STAT_LEAPTIMEDOUT 92
713 #define STAT_LEAPCOMPLETE 93
714 } __attribute__ ((packed));
716 typedef struct StatsRid StatsRid;
717 struct StatsRid {
718 __le16 len;
719 __le16 spacer;
720 __le32 vals[100];
721 } __attribute__ ((packed));
723 typedef struct APListRid APListRid;
724 struct APListRid {
725 __le16 len;
726 u8 ap[4][ETH_ALEN];
727 } __attribute__ ((packed));
729 typedef struct CapabilityRid CapabilityRid;
730 struct CapabilityRid {
731 __le16 len;
732 char oui[3];
733 char zero;
734 __le16 prodNum;
735 char manName[32];
736 char prodName[16];
737 char prodVer[8];
738 char factoryAddr[ETH_ALEN];
739 char aironetAddr[ETH_ALEN];
740 __le16 radioType;
741 __le16 country;
742 char callid[ETH_ALEN];
743 char supportedRates[8];
744 char rxDiversity;
745 char txDiversity;
746 __le16 txPowerLevels[8];
747 __le16 hardVer;
748 __le16 hardCap;
749 __le16 tempRange;
750 __le16 softVer;
751 __le16 softSubVer;
752 __le16 interfaceVer;
753 __le16 softCap;
754 __le16 bootBlockVer;
755 __le16 requiredHard;
756 __le16 extSoftCap;
757 } __attribute__ ((packed));
759 /* Only present on firmware >= 5.30.17 */
760 typedef struct BSSListRidExtra BSSListRidExtra;
761 struct BSSListRidExtra {
762 __le16 unknown[4];
763 u8 fixed[12]; /* WLAN management frame */
764 u8 iep[624];
765 } __attribute__ ((packed));
767 typedef struct BSSListRid BSSListRid;
768 struct BSSListRid {
769 __le16 len;
770 __le16 index; /* First is 0 and 0xffff means end of list */
771 #define RADIO_FH 1 /* Frequency hopping radio type */
772 #define RADIO_DS 2 /* Direct sequence radio type */
773 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
774 __le16 radioType;
775 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
776 u8 zero;
777 u8 ssidLen;
778 u8 ssid[32];
779 __le16 dBm;
780 #define CAP_ESS cpu_to_le16(1<<0)
781 #define CAP_IBSS cpu_to_le16(1<<1)
782 #define CAP_PRIVACY cpu_to_le16(1<<4)
783 #define CAP_SHORTHDR cpu_to_le16(1<<5)
784 __le16 cap;
785 __le16 beaconInterval;
786 u8 rates[8]; /* Same as rates for config rid */
787 struct { /* For frequency hopping only */
788 __le16 dwell;
789 u8 hopSet;
790 u8 hopPattern;
791 u8 hopIndex;
792 u8 fill;
793 } fh;
794 __le16 dsChannel;
795 __le16 atimWindow;
797 /* Only present on firmware >= 5.30.17 */
798 BSSListRidExtra extra;
799 } __attribute__ ((packed));
801 typedef struct {
802 BSSListRid bss;
803 struct list_head list;
804 } BSSListElement;
806 typedef struct tdsRssiEntry tdsRssiEntry;
807 struct tdsRssiEntry {
808 u8 rssipct;
809 u8 rssidBm;
810 } __attribute__ ((packed));
812 typedef struct tdsRssiRid tdsRssiRid;
813 struct tdsRssiRid {
814 u16 len;
815 tdsRssiEntry x[256];
816 } __attribute__ ((packed));
818 typedef struct MICRid MICRid;
819 struct MICRid {
820 __le16 len;
821 __le16 state;
822 __le16 multicastValid;
823 u8 multicast[16];
824 __le16 unicastValid;
825 u8 unicast[16];
826 } __attribute__ ((packed));
828 typedef struct MICBuffer MICBuffer;
829 struct MICBuffer {
830 __be16 typelen;
832 union {
833 u8 snap[8];
834 struct {
835 u8 dsap;
836 u8 ssap;
837 u8 control;
838 u8 orgcode[3];
839 u8 fieldtype[2];
840 } llc;
841 } u;
842 __be32 mic;
843 __be32 seq;
844 } __attribute__ ((packed));
846 typedef struct {
847 u8 da[ETH_ALEN];
848 u8 sa[ETH_ALEN];
849 } etherHead;
851 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
852 #define TXCTL_TXEX (1<<2) /* report if tx fails */
853 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
854 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
855 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
856 #define TXCTL_LLC (1<<4) /* payload is llc */
857 #define TXCTL_RELEASE (0<<5) /* release after completion */
858 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
860 #define BUSY_FID 0x10000
862 #ifdef CISCO_EXT
863 #define AIROMAGIC 0xa55a
864 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
865 #ifdef SIOCIWFIRSTPRIV
866 #ifdef SIOCDEVPRIVATE
867 #define AIROOLDIOCTL SIOCDEVPRIVATE
868 #define AIROOLDIDIFC AIROOLDIOCTL + 1
869 #endif /* SIOCDEVPRIVATE */
870 #else /* SIOCIWFIRSTPRIV */
871 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
872 #endif /* SIOCIWFIRSTPRIV */
873 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
874 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
875 * only and don't return the modified struct ifreq to the application which
876 * is usually a problem. - Jean II */
877 #define AIROIOCTL SIOCIWFIRSTPRIV
878 #define AIROIDIFC AIROIOCTL + 1
880 /* Ioctl constants to be used in airo_ioctl.command */
882 #define AIROGCAP 0 // Capability rid
883 #define AIROGCFG 1 // USED A LOT
884 #define AIROGSLIST 2 // System ID list
885 #define AIROGVLIST 3 // List of specified AP's
886 #define AIROGDRVNAM 4 // NOTUSED
887 #define AIROGEHTENC 5 // NOTUSED
888 #define AIROGWEPKTMP 6
889 #define AIROGWEPKNV 7
890 #define AIROGSTAT 8
891 #define AIROGSTATSC32 9
892 #define AIROGSTATSD32 10
893 #define AIROGMICRID 11
894 #define AIROGMICSTATS 12
895 #define AIROGFLAGS 13
896 #define AIROGID 14
897 #define AIRORRID 15
898 #define AIRORSWVERSION 17
900 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
902 #define AIROPCAP AIROGSTATSD32 + 40
903 #define AIROPVLIST AIROPCAP + 1
904 #define AIROPSLIST AIROPVLIST + 1
905 #define AIROPCFG AIROPSLIST + 1
906 #define AIROPSIDS AIROPCFG + 1
907 #define AIROPAPLIST AIROPSIDS + 1
908 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
909 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
910 #define AIROPSTCLR AIROPMACOFF + 1
911 #define AIROPWEPKEY AIROPSTCLR + 1
912 #define AIROPWEPKEYNV AIROPWEPKEY + 1
913 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
914 #define AIROPLEAPUSR AIROPLEAPPWD + 1
916 /* Flash codes */
918 #define AIROFLSHRST AIROPWEPKEYNV + 40
919 #define AIROFLSHGCHR AIROFLSHRST + 1
920 #define AIROFLSHSTFL AIROFLSHGCHR + 1
921 #define AIROFLSHPCHR AIROFLSHSTFL + 1
922 #define AIROFLPUTBUF AIROFLSHPCHR + 1
923 #define AIRORESTART AIROFLPUTBUF + 1
925 #define FLASHSIZE 32768
926 #define AUXMEMSIZE (256 * 1024)
928 typedef struct aironet_ioctl {
929 unsigned short command; // What to do
930 unsigned short len; // Len of data
931 unsigned short ridnum; // rid number
932 unsigned char __user *data; // d-data
933 } aironet_ioctl;
935 static char swversion[] = "2.1";
936 #endif /* CISCO_EXT */
938 #define NUM_MODULES 2
939 #define MIC_MSGLEN_MAX 2400
940 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
941 #define AIRO_DEF_MTU 2312
943 typedef struct {
944 u32 size; // size
945 u8 enabled; // MIC enabled or not
946 u32 rxSuccess; // successful packets received
947 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
948 u32 rxNotMICed; // pkts dropped due to not being MIC'd
949 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
950 u32 rxWrongSequence; // pkts dropped due to sequence number violation
951 u32 reserve[32];
952 } mic_statistics;
954 typedef struct {
955 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
956 u64 accum; // accumulated mic, reduced to u32 in final()
957 int position; // current position (byte offset) in message
958 union {
959 u8 d8[4];
960 __be32 d32;
961 } part; // saves partial message word across update() calls
962 } emmh32_context;
964 typedef struct {
965 emmh32_context seed; // Context - the seed
966 u32 rx; // Received sequence number
967 u32 tx; // Tx sequence number
968 u32 window; // Start of window
969 u8 valid; // Flag to say if context is valid or not
970 u8 key[16];
971 } miccntx;
973 typedef struct {
974 miccntx mCtx; // Multicast context
975 miccntx uCtx; // Unicast context
976 } mic_module;
978 typedef struct {
979 unsigned int rid: 16;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
983 } Rid;
985 typedef struct {
986 unsigned int offset: 15;
987 unsigned int eoc: 1;
988 unsigned int len: 15;
989 unsigned int valid: 1;
990 dma_addr_t host_addr;
991 } TxFid;
993 struct rx_hdr {
994 __le16 status, len;
995 u8 rssi[2];
996 u8 rate;
997 u8 freq;
998 __le16 tmp[4];
999 } __attribute__ ((packed));
1001 typedef struct {
1002 unsigned int ctl: 15;
1003 unsigned int rdy: 1;
1004 unsigned int len: 15;
1005 unsigned int valid: 1;
1006 dma_addr_t host_addr;
1007 } RxFid;
1010 * Host receive descriptor
1012 typedef struct {
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 desc */
1015 RxFid rx_desc; /* card receive descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1017 buffer */
1018 int pending;
1019 } HostRxDesc;
1022 * Host transmit descriptor
1024 typedef struct {
1025 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1026 desc */
1027 TxFid tx_desc; /* card transmit descriptor */
1028 char *virtual_host_addr; /* virtual address of host receive
1029 buffer */
1030 int pending;
1031 } HostTxDesc;
1034 * Host RID descriptor
1036 typedef struct {
1037 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1038 descriptor */
1039 Rid rid_desc; /* card RID descriptor */
1040 char *virtual_host_addr; /* virtual address of host receive
1041 buffer */
1042 } HostRidDesc;
1044 typedef struct {
1045 u16 sw0;
1046 u16 sw1;
1047 u16 status;
1048 u16 len;
1049 #define HOST_SET (1 << 0)
1050 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1051 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1052 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1053 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1054 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1055 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1056 #define HOST_RTS (1 << 9) /* Force RTS use */
1057 #define HOST_SHORT (1 << 10) /* Do short preamble */
1058 u16 ctl;
1059 u16 aid;
1060 u16 retries;
1061 u16 fill;
1062 } TxCtlHdr;
1064 typedef struct {
1065 u16 ctl;
1066 u16 duration;
1067 char addr1[6];
1068 char addr2[6];
1069 char addr3[6];
1070 u16 seq;
1071 char addr4[6];
1072 } WifiHdr;
1075 typedef struct {
1076 TxCtlHdr ctlhdr;
1077 u16 fill1;
1078 u16 fill2;
1079 WifiHdr wifihdr;
1080 u16 gaplen;
1081 u16 status;
1082 } WifiCtlHdr;
1084 static WifiCtlHdr wifictlhdr8023 = {
1085 .ctlhdr = {
1086 .ctl = HOST_DONT_RLSE,
1090 // A few details needed for WEP (Wireless Equivalent Privacy)
1091 #define MAX_KEY_SIZE 13 // 128 (?) bits
1092 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1093 typedef struct wep_key_t {
1094 u16 len;
1095 u8 key[16]; /* 40-bit and 104-bit keys */
1096 } wep_key_t;
1098 /* List of Wireless Handlers (new API) */
1099 static const struct iw_handler_def airo_handler_def;
1101 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1103 struct airo_info;
1105 static int get_dec_u16( char *buffer, int *start, int limit );
1106 static void OUT4500( struct airo_info *, u16 register, u16 value );
1107 static unsigned short IN4500( struct airo_info *, u16 register );
1108 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1109 static int enable_MAC(struct airo_info *ai, int lock);
1110 static void disable_MAC(struct airo_info *ai, int lock);
1111 static void enable_interrupts(struct airo_info*);
1112 static void disable_interrupts(struct airo_info*);
1113 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1114 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1115 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1116 int whichbap);
1117 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1118 int whichbap);
1119 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1120 int whichbap);
1121 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1122 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1123 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1124 *pBuf, int len, int lock);
1125 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1126 int len, int dummy );
1127 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1128 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1129 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1131 static int mpi_send_packet (struct net_device *dev);
1132 static void mpi_unmap_card(struct pci_dev *pci);
1133 static void mpi_receive_802_3(struct airo_info *ai);
1134 static void mpi_receive_802_11(struct airo_info *ai);
1135 static int waitbusy (struct airo_info *ai);
1137 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1138 static int airo_thread(void *data);
1139 static void timer_func( struct net_device *dev );
1140 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1141 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1142 static void airo_read_wireless_stats (struct airo_info *local);
1143 #ifdef CISCO_EXT
1144 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1145 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1146 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1147 #endif /* CISCO_EXT */
1148 static void micinit(struct airo_info *ai);
1149 static int micsetup(struct airo_info *ai);
1150 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1151 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1153 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1154 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1156 static void airo_networks_free(struct airo_info *ai);
1158 struct airo_info {
1159 struct net_device *dev;
1160 struct list_head dev_list;
1161 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1162 use the high bit to mark whether it is in use. */
1163 #define MAX_FIDS 6
1164 #define MPI_MAX_FIDS 1
1165 u32 fids[MAX_FIDS];
1166 ConfigRid config;
1167 char keyindex; // Used with auto wep
1168 char defindex; // Used with auto wep
1169 struct proc_dir_entry *proc_entry;
1170 spinlock_t aux_lock;
1171 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1172 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1173 #define FLAG_RADIO_MASK 0x03
1174 #define FLAG_ENABLED 2
1175 #define FLAG_ADHOC 3 /* Needed by MIC */
1176 #define FLAG_MIC_CAPABLE 4
1177 #define FLAG_UPDATE_MULTI 5
1178 #define FLAG_UPDATE_UNI 6
1179 #define FLAG_802_11 7
1180 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1181 #define FLAG_PENDING_XMIT 9
1182 #define FLAG_PENDING_XMIT11 10
1183 #define FLAG_MPI 11
1184 #define FLAG_REGISTERED 12
1185 #define FLAG_COMMIT 13
1186 #define FLAG_RESET 14
1187 #define FLAG_FLASHING 15
1188 #define FLAG_WPA_CAPABLE 16
1189 unsigned long flags;
1190 #define JOB_DIE 0
1191 #define JOB_XMIT 1
1192 #define JOB_XMIT11 2
1193 #define JOB_STATS 3
1194 #define JOB_PROMISC 4
1195 #define JOB_MIC 5
1196 #define JOB_EVENT 6
1197 #define JOB_AUTOWEP 7
1198 #define JOB_WSTATS 8
1199 #define JOB_SCAN_RESULTS 9
1200 unsigned long jobs;
1201 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1202 int whichbap);
1203 unsigned short *flash;
1204 tdsRssiEntry *rssi;
1205 struct task_struct *list_bss_task;
1206 struct task_struct *airo_thread_task;
1207 struct semaphore sem;
1208 wait_queue_head_t thr_wait;
1209 unsigned long expires;
1210 struct {
1211 struct sk_buff *skb;
1212 int fid;
1213 } xmit, xmit11;
1214 struct net_device *wifidev;
1215 struct iw_statistics wstats; // wireless stats
1216 unsigned long scan_timeout; /* Time scan should be read */
1217 struct iw_spy_data spy_data;
1218 struct iw_public_data wireless_data;
1219 /* MIC stuff */
1220 struct crypto_cipher *tfm;
1221 mic_module mod[2];
1222 mic_statistics micstats;
1223 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1224 HostTxDesc txfids[MPI_MAX_FIDS];
1225 HostRidDesc config_desc;
1226 unsigned long ridbus; // phys addr of config_desc
1227 struct sk_buff_head txq;// tx queue used by mpi350 code
1228 struct pci_dev *pci;
1229 unsigned char __iomem *pcimem;
1230 unsigned char __iomem *pciaux;
1231 unsigned char *shared;
1232 dma_addr_t shared_dma;
1233 pm_message_t power;
1234 SsidRid *SSID;
1235 APListRid *APList;
1236 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1237 char proc_name[IFNAMSIZ];
1239 int wep_capable;
1240 int max_wep_idx;
1242 /* WPA-related stuff */
1243 unsigned int bssListFirst;
1244 unsigned int bssListNext;
1245 unsigned int bssListRidLen;
1247 struct list_head network_list;
1248 struct list_head network_free_list;
1249 BSSListElement *networks;
1252 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1253 int whichbap)
1255 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1258 static int setup_proc_entry( struct net_device *dev,
1259 struct airo_info *apriv );
1260 static int takedown_proc_entry( struct net_device *dev,
1261 struct airo_info *apriv );
1263 static int cmdreset(struct airo_info *ai);
1264 static int setflashmode (struct airo_info *ai);
1265 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1266 static int flashputbuf(struct airo_info *ai);
1267 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1269 #define airo_print(type, name, fmt, args...) \
1270 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1272 #define airo_print_info(name, fmt, args...) \
1273 airo_print(KERN_INFO, name, fmt, ##args)
1275 #define airo_print_dbg(name, fmt, args...) \
1276 airo_print(KERN_DEBUG, name, fmt, ##args)
1278 #define airo_print_warn(name, fmt, args...) \
1279 airo_print(KERN_WARNING, name, fmt, ##args)
1281 #define airo_print_err(name, fmt, args...) \
1282 airo_print(KERN_ERR, name, fmt, ##args)
1284 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash)
1286 /***********************************************************************
1287 * MIC ROUTINES *
1288 ***********************************************************************
1291 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1292 static void MoveWindow(miccntx *context, u32 micSeq);
1293 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1294 struct crypto_cipher *tfm);
1295 static void emmh32_init(emmh32_context *context);
1296 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1297 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1298 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1300 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len,
1301 struct crypto_cipher *tfm)
1303 /* If the current MIC context is valid and its key is the same as
1304 * the MIC register, there's nothing to do.
1306 if (cur->valid && (memcmp(cur->key, key, key_len) == 0))
1307 return;
1309 /* Age current mic Context */
1310 memcpy(old, cur, sizeof(*cur));
1312 /* Initialize new context */
1313 memcpy(cur->key, key, key_len);
1314 cur->window = 33; /* Window always points to the middle */
1315 cur->rx = 0; /* Rx Sequence numbers */
1316 cur->tx = 0; /* Tx sequence numbers */
1317 cur->valid = 1; /* Key is now valid */
1319 /* Give key to mic seed */
1320 emmh32_setseed(&cur->seed, key, key_len, tfm);
1323 /* micinit - Initialize mic seed */
1325 static void micinit(struct airo_info *ai)
1327 MICRid mic_rid;
1329 clear_bit(JOB_MIC, &ai->jobs);
1330 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1331 up(&ai->sem);
1333 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0;
1334 if (!ai->micstats.enabled) {
1335 /* So next time we have a valid key and mic is enabled, we will
1336 * update the sequence number if the key is the same as before.
1338 ai->mod[0].uCtx.valid = 0;
1339 ai->mod[0].mCtx.valid = 0;
1340 return;
1343 if (mic_rid.multicastValid) {
1344 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx,
1345 mic_rid.multicast, sizeof(mic_rid.multicast),
1346 ai->tfm);
1349 if (mic_rid.unicastValid) {
1350 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx,
1351 mic_rid.unicast, sizeof(mic_rid.unicast),
1352 ai->tfm);
1356 /* micsetup - Get ready for business */
1358 static int micsetup(struct airo_info *ai) {
1359 int i;
1361 if (ai->tfm == NULL)
1362 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1364 if (IS_ERR(ai->tfm)) {
1365 airo_print_err(ai->dev->name, "failed to load transform for AES");
1366 ai->tfm = NULL;
1367 return ERROR;
1370 for (i=0; i < NUM_MODULES; i++) {
1371 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1372 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1374 return SUCCESS;
1377 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1379 /*===========================================================================
1380 * Description: Mic a packet
1382 * Inputs: etherHead * pointer to an 802.3 frame
1384 * Returns: BOOLEAN if successful, otherwise false.
1385 * PacketTxLen will be updated with the mic'd packets size.
1387 * Caveats: It is assumed that the frame buffer will already
1388 * be big enough to hold the largets mic message possible.
1389 * (No memory allocation is done here).
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1395 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1397 miccntx *context;
1399 // Determine correct context
1400 // If not adhoc, always use unicast key
1402 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1403 context = &ai->mod[0].mCtx;
1404 else
1405 context = &ai->mod[0].uCtx;
1407 if (!context->valid)
1408 return ERROR;
1410 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1412 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1414 // Add Tx sequence
1415 mic->seq = htonl(context->tx);
1416 context->tx += 2;
1418 emmh32_init(&context->seed); // Mic the packet
1419 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1420 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1421 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1422 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1423 emmh32_final(&context->seed, (u8*)&mic->mic);
1425 /* New Type/length ?????????? */
1426 mic->typelen = 0; //Let NIC know it could be an oversized packet
1427 return SUCCESS;
1430 typedef enum {
1431 NONE,
1432 NOMIC,
1433 NOMICPLUMMED,
1434 SEQUENCE,
1435 INCORRECTMIC,
1436 } mic_error;
1438 /*===========================================================================
1439 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1440 * (removes the MIC stuff) if packet is a valid packet.
1442 * Inputs: etherHead pointer to the 802.3 packet
1444 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1446 * Author: sbraneky (10/15/01)
1447 * Merciless hacks by rwilcher (1/14/02)
1448 *---------------------------------------------------------------------------
1451 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1453 int i;
1454 u32 micSEQ;
1455 miccntx *context;
1456 u8 digest[4];
1457 mic_error micError = NONE;
1459 // Check if the packet is a Mic'd packet
1461 if (!ai->micstats.enabled) {
1462 //No Mic set or Mic OFF but we received a MIC'd packet.
1463 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1464 ai->micstats.rxMICPlummed++;
1465 return ERROR;
1467 return SUCCESS;
1470 if (ntohs(mic->typelen) == 0x888E)
1471 return SUCCESS;
1473 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1474 // Mic enabled but packet isn't Mic'd
1475 ai->micstats.rxMICPlummed++;
1476 return ERROR;
1479 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1481 //At this point we a have a mic'd packet and mic is enabled
1482 //Now do the mic error checking.
1484 //Receive seq must be odd
1485 if ( (micSEQ & 1) == 0 ) {
1486 ai->micstats.rxWrongSequence++;
1487 return ERROR;
1490 for (i = 0; i < NUM_MODULES; i++) {
1491 int mcast = eth->da[0] & 1;
1492 //Determine proper context
1493 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1495 //Make sure context is valid
1496 if (!context->valid) {
1497 if (i == 0)
1498 micError = NOMICPLUMMED;
1499 continue;
1501 //DeMic it
1503 if (!mic->typelen)
1504 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1506 emmh32_init(&context->seed);
1507 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1508 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1509 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1510 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1511 //Calculate MIC
1512 emmh32_final(&context->seed, digest);
1514 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1515 //Invalid Mic
1516 if (i == 0)
1517 micError = INCORRECTMIC;
1518 continue;
1521 //Check Sequence number if mics pass
1522 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1523 ai->micstats.rxSuccess++;
1524 return SUCCESS;
1526 if (i == 0)
1527 micError = SEQUENCE;
1530 // Update statistics
1531 switch (micError) {
1532 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1533 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1534 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1535 case NONE: break;
1536 case NOMIC: break;
1538 return ERROR;
1541 /*===========================================================================
1542 * Description: Checks the Rx Seq number to make sure it is valid
1543 * and hasn't already been received
1545 * Inputs: miccntx - mic context to check seq against
1546 * micSeq - the Mic seq number
1548 * Returns: TRUE if valid otherwise FALSE.
1550 * Author: sbraneky (10/15/01)
1551 * Merciless hacks by rwilcher (1/14/02)
1552 *---------------------------------------------------------------------------
1555 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1557 u32 seq,index;
1559 //Allow for the ap being rebooted - if it is then use the next
1560 //sequence number of the current sequence number - might go backwards
1562 if (mcast) {
1563 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1564 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1565 context->window = (micSeq > 33) ? micSeq : 33;
1566 context->rx = 0; // Reset rx
1568 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1569 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1570 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1571 context->rx = 0; // Reset rx
1574 //Make sequence number relative to START of window
1575 seq = micSeq - (context->window - 33);
1577 //Too old of a SEQ number to check.
1578 if ((s32)seq < 0)
1579 return ERROR;
1581 if ( seq > 64 ) {
1582 //Window is infinite forward
1583 MoveWindow(context,micSeq);
1584 return SUCCESS;
1587 // We are in the window. Now check the context rx bit to see if it was already sent
1588 seq >>= 1; //divide by 2 because we only have odd numbers
1589 index = 1 << seq; //Get an index number
1591 if (!(context->rx & index)) {
1592 //micSEQ falls inside the window.
1593 //Add seqence number to the list of received numbers.
1594 context->rx |= index;
1596 MoveWindow(context,micSeq);
1598 return SUCCESS;
1600 return ERROR;
1603 static void MoveWindow(miccntx *context, u32 micSeq)
1605 u32 shift;
1607 //Move window if seq greater than the middle of the window
1608 if (micSeq > context->window) {
1609 shift = (micSeq - context->window) >> 1;
1611 //Shift out old
1612 if (shift < 32)
1613 context->rx >>= shift;
1614 else
1615 context->rx = 0;
1617 context->window = micSeq; //Move window
1621 /*==============================================*/
1622 /*========== EMMH ROUTINES ====================*/
1623 /*==============================================*/
1625 /* mic accumulate */
1626 #define MIC_ACCUM(val) \
1627 context->accum += (u64)(val) * context->coeff[coeff_position++];
1629 static unsigned char aes_counter[16];
1631 /* expand the key to fill the MMH coefficient array */
1632 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1633 struct crypto_cipher *tfm)
1635 /* take the keying material, expand if necessary, truncate at 16-bytes */
1636 /* run through AES counter mode to generate context->coeff[] */
1638 int i,j;
1639 u32 counter;
1640 u8 *cipher, plain[16];
1642 crypto_cipher_setkey(tfm, pkey, 16);
1643 counter = 0;
1644 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1645 aes_counter[15] = (u8)(counter >> 0);
1646 aes_counter[14] = (u8)(counter >> 8);
1647 aes_counter[13] = (u8)(counter >> 16);
1648 aes_counter[12] = (u8)(counter >> 24);
1649 counter++;
1650 memcpy (plain, aes_counter, 16);
1651 crypto_cipher_encrypt_one(tfm, plain, plain);
1652 cipher = plain;
1653 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1654 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1655 j += 4;
1660 /* prepare for calculation of a new mic */
1661 static void emmh32_init(emmh32_context *context)
1663 /* prepare for new mic calculation */
1664 context->accum = 0;
1665 context->position = 0;
1668 /* add some bytes to the mic calculation */
1669 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1671 int coeff_position, byte_position;
1673 if (len == 0) return;
1675 coeff_position = context->position >> 2;
1677 /* deal with partial 32-bit word left over from last update */
1678 byte_position = context->position & 3;
1679 if (byte_position) {
1680 /* have a partial word in part to deal with */
1681 do {
1682 if (len == 0) return;
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1685 len--;
1686 } while (byte_position < 4);
1687 MIC_ACCUM(ntohl(context->part.d32));
1690 /* deal with full 32-bit words */
1691 while (len >= 4) {
1692 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1693 context->position += 4;
1694 pOctets += 4;
1695 len -= 4;
1698 /* deal with partial 32-bit word that will be left over from this update */
1699 byte_position = 0;
1700 while (len > 0) {
1701 context->part.d8[byte_position++] = *pOctets++;
1702 context->position++;
1703 len--;
1707 /* mask used to zero empty bytes for final partial word */
1708 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1710 /* calculate the mic */
1711 static void emmh32_final(emmh32_context *context, u8 digest[4])
1713 int coeff_position, byte_position;
1714 u32 val;
1716 u64 sum, utmp;
1717 s64 stmp;
1719 coeff_position = context->position >> 2;
1721 /* deal with partial 32-bit word left over from last update */
1722 byte_position = context->position & 3;
1723 if (byte_position) {
1724 /* have a partial word in part to deal with */
1725 val = ntohl(context->part.d32);
1726 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1729 /* reduce the accumulated u64 to a 32-bit MIC */
1730 sum = context->accum;
1731 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1732 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1733 sum = utmp & 0xffffffffLL;
1734 if (utmp > 0x10000000fLL)
1735 sum -= 15;
1737 val = (u32)sum;
1738 digest[0] = (val>>24) & 0xFF;
1739 digest[1] = (val>>16) & 0xFF;
1740 digest[2] = (val>>8) & 0xFF;
1741 digest[3] = val & 0xFF;
1744 static int readBSSListRid(struct airo_info *ai, int first,
1745 BSSListRid *list)
1747 Cmd cmd;
1748 Resp rsp;
1750 if (first == 1) {
1751 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1752 memset(&cmd, 0, sizeof(cmd));
1753 cmd.cmd=CMD_LISTBSS;
1754 if (down_interruptible(&ai->sem))
1755 return -ERESTARTSYS;
1756 ai->list_bss_task = current;
1757 issuecommand(ai, &cmd, &rsp);
1758 up(&ai->sem);
1759 /* Let the command take effect */
1760 schedule_timeout_uninterruptible(3 * HZ);
1761 ai->list_bss_task = NULL;
1763 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1764 list, ai->bssListRidLen, 1);
1767 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1769 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1770 wkr, sizeof(*wkr), lock);
1773 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1775 int rc;
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1777 if (rc!=SUCCESS)
1778 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 if (perm) {
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1781 if (rc!=SUCCESS)
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1784 return rc;
1787 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1789 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1794 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1797 static int readConfigRid(struct airo_info *ai, int lock)
1799 int rc;
1800 ConfigRid cfg;
1802 if (ai->config.len)
1803 return SUCCESS;
1805 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1806 if (rc != SUCCESS)
1807 return rc;
1809 ai->config = cfg;
1810 return SUCCESS;
1813 static inline void checkThrottle(struct airo_info *ai)
1815 int i;
1816 /* Old hardware had a limit on encryption speed */
1817 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1818 for(i=0; i<8; i++) {
1819 if (ai->config.rates[i] > maxencrypt) {
1820 ai->config.rates[i] = 0;
1826 static int writeConfigRid(struct airo_info *ai, int lock)
1828 ConfigRid cfgr;
1830 if (!test_bit (FLAG_COMMIT, &ai->flags))
1831 return SUCCESS;
1833 clear_bit (FLAG_COMMIT, &ai->flags);
1834 clear_bit (FLAG_RESET, &ai->flags);
1835 checkThrottle(ai);
1836 cfgr = ai->config;
1838 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
1839 set_bit(FLAG_ADHOC, &ai->flags);
1840 else
1841 clear_bit(FLAG_ADHOC, &ai->flags);
1843 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1846 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock)
1848 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1851 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1853 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1856 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1858 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1861 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1863 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1866 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1868 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1871 static void try_auto_wep(struct airo_info *ai)
1873 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1874 ai->expires = RUN_AT(3*HZ);
1875 wake_up_interruptible(&ai->thr_wait);
1879 static int airo_open(struct net_device *dev) {
1880 struct airo_info *ai = dev->ml_priv;
1881 int rc = 0;
1883 if (test_bit(FLAG_FLASHING, &ai->flags))
1884 return -EIO;
1886 /* Make sure the card is configured.
1887 * Wireless Extensions may postpone config changes until the card
1888 * is open (to pipeline changes and speed-up card setup). If
1889 * those changes are not yet commited, do it now - Jean II */
1890 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1891 disable_MAC(ai, 1);
1892 writeConfigRid(ai, 1);
1895 if (ai->wifidev != dev) {
1896 clear_bit(JOB_DIE, &ai->jobs);
1897 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1898 if (IS_ERR(ai->airo_thread_task))
1899 return (int)PTR_ERR(ai->airo_thread_task);
1901 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1902 dev->name, dev);
1903 if (rc) {
1904 airo_print_err(dev->name,
1905 "register interrupt %d failed, rc %d",
1906 dev->irq, rc);
1907 set_bit(JOB_DIE, &ai->jobs);
1908 kthread_stop(ai->airo_thread_task);
1909 return rc;
1912 /* Power on the MAC controller (which may have been disabled) */
1913 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1914 enable_interrupts(ai);
1916 try_auto_wep(ai);
1918 enable_MAC(ai, 1);
1920 netif_start_queue(dev);
1921 return 0;
1924 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
1925 struct net_device *dev)
1927 int npacks, pending;
1928 unsigned long flags;
1929 struct airo_info *ai = dev->ml_priv;
1931 if (!skb) {
1932 airo_print_err(dev->name, "%s: skb == NULL!",__func__);
1933 return NETDEV_TX_OK;
1935 npacks = skb_queue_len (&ai->txq);
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 dev->stats.tx_fifo_errors++;
1941 return NETDEV_TX_BUSY;
1943 skb_queue_tail (&ai->txq, skb);
1944 return NETDEV_TX_OK;
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1953 if (pending == 0) {
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1957 return NETDEV_TX_OK;
1961 * @mpi_send_packet
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1967 static int mpi_send_packet (struct net_device *dev)
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1971 s16 len;
1972 __le16 *payloadLen;
1973 struct airo_info *ai = dev->ml_priv;
1974 u8 *sendbuf;
1976 /* get a packet to send */
1978 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1979 airo_print_err(dev->name,
1980 "%s: Dequeue'd zero in send_packet()",
1981 __func__);
1982 return 0;
1985 /* check min length*/
1986 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1987 buffer = skb->data;
1989 ai->txfids[0].tx_desc.offset = 0;
1990 ai->txfids[0].tx_desc.valid = 1;
1991 ai->txfids[0].tx_desc.eoc = 1;
1992 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1995 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1996 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1997 * is immediatly after it. ------------------------------------------------
1998 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1999 * ------------------------------------------------
2002 memcpy((char *)ai->txfids[0].virtual_host_addr,
2003 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2005 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2006 sizeof(wifictlhdr8023));
2007 sendbuf = ai->txfids[0].virtual_host_addr +
2008 sizeof(wifictlhdr8023) + 2 ;
2011 * Firmware automaticly puts 802 header on so
2012 * we don't need to account for it in the length
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2016 MICBuffer pMic;
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2019 return ERROR;
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2030 } else {
2031 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2033 dev->trans_start = jiffies;
2035 /* copy data into airo dma buffer */
2036 memcpy(sendbuf, buffer, len);
2039 memcpy_toio(ai->txfids[0].card_ram_off,
2040 &ai->txfids[0].tx_desc, sizeof(TxFid));
2042 OUT4500(ai, EVACK, 8);
2044 dev_kfree_skb_any(skb);
2045 return 1;
2048 static void get_tx_error(struct airo_info *ai, s32 fid)
2050 __le16 status;
2052 if (fid < 0)
2053 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2054 else {
2055 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2056 return;
2057 bap_read(ai, &status, 2, BAP0);
2059 if (le16_to_cpu(status) & 2) /* Too many retries */
2060 ai->dev->stats.tx_aborted_errors++;
2061 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2062 ai->dev->stats.tx_heartbeat_errors++;
2063 if (le16_to_cpu(status) & 8) /* Aid fail */
2065 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2066 ai->dev->stats.tx_carrier_errors++;
2067 if (le16_to_cpu(status) & 0x20) /* Association lost */
2069 /* We produce a TXDROP event only for retry or lifetime
2070 * exceeded, because that's the only status that really mean
2071 * that this particular node went away.
2072 * Other errors means that *we* screwed up. - Jean II */
2073 if ((le16_to_cpu(status) & 2) ||
2074 (le16_to_cpu(status) & 4)) {
2075 union iwreq_data wrqu;
2076 char junk[0x18];
2078 /* Faster to skip over useless data than to do
2079 * another bap_setup(). We are at offset 0x6 and
2080 * need to go to 0x18 and read 6 bytes - Jean II */
2081 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2083 /* Copy 802.11 dest address.
2084 * We use the 802.11 header because the frame may
2085 * not be 802.3 or may be mangled...
2086 * In Ad-Hoc mode, it will be the node address.
2087 * In managed mode, it will be most likely the AP addr
2088 * User space will figure out how to convert it to
2089 * whatever it needs (IP address or else).
2090 * - Jean II */
2091 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2092 wrqu.addr.sa_family = ARPHRD_ETHER;
2094 /* Send event to user space */
2095 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2099 static void airo_end_xmit(struct net_device *dev) {
2100 u16 status;
2101 int i;
2102 struct airo_info *priv = dev->ml_priv;
2103 struct sk_buff *skb = priv->xmit.skb;
2104 int fid = priv->xmit.fid;
2105 u32 *fids = priv->fids;
2107 clear_bit(JOB_XMIT, &priv->jobs);
2108 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2109 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2110 up(&priv->sem);
2112 i = 0;
2113 if ( status == SUCCESS ) {
2114 dev->trans_start = jiffies;
2115 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2116 } else {
2117 priv->fids[fid] &= 0xffff;
2118 dev->stats.tx_window_errors++;
2120 if (i < MAX_FIDS / 2)
2121 netif_wake_queue(dev);
2122 dev_kfree_skb(skb);
2125 static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
2126 struct net_device *dev)
2128 s16 len;
2129 int i, j;
2130 struct airo_info *priv = dev->ml_priv;
2131 u32 *fids = priv->fids;
2133 if ( skb == NULL ) {
2134 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2135 return NETDEV_TX_OK;
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2145 if (i == MAX_FIDS / 2) {
2146 dev->stats.tx_fifo_errors++;
2147 return NETDEV_TX_BUSY;
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2155 priv->xmit.fid = i;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
2159 set_bit(JOB_XMIT, &priv->jobs);
2160 wake_up_interruptible(&priv->thr_wait);
2161 } else
2162 airo_end_xmit(dev);
2163 return NETDEV_TX_OK;
2166 static void airo_end_xmit11(struct net_device *dev) {
2167 u16 status;
2168 int i;
2169 struct airo_info *priv = dev->ml_priv;
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2174 clear_bit(JOB_XMIT11, &priv->jobs);
2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2177 up(&priv->sem);
2179 i = MAX_FIDS / 2;
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2183 } else {
2184 priv->fids[fid] &= 0xffff;
2185 dev->stats.tx_window_errors++;
2187 if (i < MAX_FIDS)
2188 netif_wake_queue(dev);
2189 dev_kfree_skb(skb);
2192 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
2193 struct net_device *dev)
2195 s16 len;
2196 int i, j;
2197 struct airo_info *priv = dev->ml_priv;
2198 u32 *fids = priv->fids;
2200 if (test_bit(FLAG_MPI, &priv->flags)) {
2201 /* Not implemented yet for MPI350 */
2202 netif_stop_queue(dev);
2203 dev_kfree_skb_any(skb);
2204 return NETDEV_TX_OK;
2207 if ( skb == NULL ) {
2208 airo_print_err(dev->name, "%s: skb == NULL!", __func__);
2209 return NETDEV_TX_OK;
2212 /* Find a vacant FID */
2213 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2214 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2216 if ( j >= MAX_FIDS ) {
2217 netif_stop_queue(dev);
2219 if (i == MAX_FIDS) {
2220 dev->stats.tx_fifo_errors++;
2221 return NETDEV_TX_BUSY;
2224 /* check min length*/
2225 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2226 /* Mark fid as used & save length for later */
2227 fids[i] |= (len << 16);
2228 priv->xmit11.skb = skb;
2229 priv->xmit11.fid = i;
2230 if (down_trylock(&priv->sem) != 0) {
2231 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 netif_stop_queue(dev);
2233 set_bit(JOB_XMIT11, &priv->jobs);
2234 wake_up_interruptible(&priv->thr_wait);
2235 } else
2236 airo_end_xmit11(dev);
2237 return NETDEV_TX_OK;
2240 static void airo_read_stats(struct net_device *dev)
2242 struct airo_info *ai = dev->ml_priv;
2243 StatsRid stats_rid;
2244 __le32 *vals = stats_rid.vals;
2246 clear_bit(JOB_STATS, &ai->jobs);
2247 if (ai->power.event) {
2248 up(&ai->sem);
2249 return;
2251 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2252 up(&ai->sem);
2254 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2255 le32_to_cpu(vals[45]);
2256 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2257 le32_to_cpu(vals[41]);
2258 dev->stats.rx_bytes = le32_to_cpu(vals[92]);
2259 dev->stats.tx_bytes = le32_to_cpu(vals[91]);
2260 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2261 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2262 dev->stats.tx_errors = le32_to_cpu(vals[42]) +
2263 dev->stats.tx_fifo_errors;
2264 dev->stats.multicast = le32_to_cpu(vals[43]);
2265 dev->stats.collisions = le32_to_cpu(vals[89]);
2267 /* detailed rx_errors: */
2268 dev->stats.rx_length_errors = le32_to_cpu(vals[3]);
2269 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2270 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2271 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2274 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2276 struct airo_info *local = dev->ml_priv;
2278 if (!test_bit(JOB_STATS, &local->jobs)) {
2279 /* Get stats out of the card if available */
2280 if (down_trylock(&local->sem) != 0) {
2281 set_bit(JOB_STATS, &local->jobs);
2282 wake_up_interruptible(&local->thr_wait);
2283 } else
2284 airo_read_stats(dev);
2287 return &dev->stats;
2290 static void airo_set_promisc(struct airo_info *ai) {
2291 Cmd cmd;
2292 Resp rsp;
2294 memset(&cmd, 0, sizeof(cmd));
2295 cmd.cmd=CMD_SETMODE;
2296 clear_bit(JOB_PROMISC, &ai->jobs);
2297 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2298 issuecommand(ai, &cmd, &rsp);
2299 up(&ai->sem);
2302 static void airo_set_multicast_list(struct net_device *dev) {
2303 struct airo_info *ai = dev->ml_priv;
2305 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2306 change_bit(FLAG_PROMISC, &ai->flags);
2307 if (down_trylock(&ai->sem) != 0) {
2308 set_bit(JOB_PROMISC, &ai->jobs);
2309 wake_up_interruptible(&ai->thr_wait);
2310 } else
2311 airo_set_promisc(ai);
2314 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2315 /* Turn on multicast. (Should be already setup...) */
2319 static int airo_set_mac_address(struct net_device *dev, void *p)
2321 struct airo_info *ai = dev->ml_priv;
2322 struct sockaddr *addr = p;
2324 readConfigRid(ai, 1);
2325 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2326 set_bit (FLAG_COMMIT, &ai->flags);
2327 disable_MAC(ai, 1);
2328 writeConfigRid (ai, 1);
2329 enable_MAC(ai, 1);
2330 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2331 if (ai->wifidev)
2332 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2333 return 0;
2336 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2338 if ((new_mtu < 68) || (new_mtu > 2400))
2339 return -EINVAL;
2340 dev->mtu = new_mtu;
2341 return 0;
2344 static LIST_HEAD(airo_devices);
2346 static void add_airo_dev(struct airo_info *ai)
2348 /* Upper layers already keep track of PCI devices,
2349 * so we only need to remember our non-PCI cards. */
2350 if (!ai->pci)
2351 list_add_tail(&ai->dev_list, &airo_devices);
2354 static void del_airo_dev(struct airo_info *ai)
2356 if (!ai->pci)
2357 list_del(&ai->dev_list);
2360 static int airo_close(struct net_device *dev) {
2361 struct airo_info *ai = dev->ml_priv;
2363 netif_stop_queue(dev);
2365 if (ai->wifidev != dev) {
2366 #ifdef POWER_ON_DOWN
2367 /* Shut power to the card. The idea is that the user can save
2368 * power when he doesn't need the card with "ifconfig down".
2369 * That's the method that is most friendly towards the network
2370 * stack (i.e. the network stack won't try to broadcast
2371 * anything on the interface and routes are gone. Jean II */
2372 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2373 disable_MAC(ai, 1);
2374 #endif
2375 disable_interrupts( ai );
2377 free_irq(dev->irq, dev);
2379 set_bit(JOB_DIE, &ai->jobs);
2380 kthread_stop(ai->airo_thread_task);
2382 return 0;
2385 void stop_airo_card( struct net_device *dev, int freeres )
2387 struct airo_info *ai = dev->ml_priv;
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_MAC(ai, 1);
2391 disable_interrupts(ai);
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2395 if (ai->wifidev) {
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2398 ai->wifidev = NULL;
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2403 * Clean out tx queue
2405 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2406 struct sk_buff *skb = NULL;
2407 for (;(skb = skb_dequeue(&ai->txq));)
2408 dev_kfree_skb(skb);
2411 airo_networks_free (ai);
2413 kfree(ai->flash);
2414 kfree(ai->rssi);
2415 kfree(ai->APList);
2416 kfree(ai->SSID);
2417 if (freeres) {
2418 /* PCMCIA frees this stuff, so only for PCI and ISA */
2419 release_region( dev->base_addr, 64 );
2420 if (test_bit(FLAG_MPI, &ai->flags)) {
2421 if (ai->pci)
2422 mpi_unmap_card(ai->pci);
2423 if (ai->pcimem)
2424 iounmap(ai->pcimem);
2425 if (ai->pciaux)
2426 iounmap(ai->pciaux);
2427 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2428 ai->shared, ai->shared_dma);
2431 crypto_free_cipher(ai->tfm);
2432 del_airo_dev(ai);
2433 free_netdev( dev );
2436 EXPORT_SYMBOL(stop_airo_card);
2438 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2440 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2441 return ETH_ALEN;
2444 static void mpi_unmap_card(struct pci_dev *pci)
2446 unsigned long mem_start = pci_resource_start(pci, 1);
2447 unsigned long mem_len = pci_resource_len(pci, 1);
2448 unsigned long aux_start = pci_resource_start(pci, 2);
2449 unsigned long aux_len = AUXMEMSIZE;
2451 release_mem_region(aux_start, aux_len);
2452 release_mem_region(mem_start, mem_len);
2455 /*************************************************************
2456 * This routine assumes that descriptors have been setup .
2457 * Run at insmod time or after reset when the decriptors
2458 * have been initialized . Returns 0 if all is well nz
2459 * otherwise . Does not allocate memory but sets up card
2460 * using previously allocated descriptors.
2462 static int mpi_init_descriptors (struct airo_info *ai)
2464 Cmd cmd;
2465 Resp rsp;
2466 int i;
2467 int rc = SUCCESS;
2469 /* Alloc card RX descriptors */
2470 netif_stop_queue(ai->dev);
2472 memset(&rsp,0,sizeof(rsp));
2473 memset(&cmd,0,sizeof(cmd));
2475 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm0 = FID_RX;
2477 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2478 cmd.parm2 = MPI_MAX_FIDS;
2479 rc=issuecommand(ai, &cmd, &rsp);
2480 if (rc != SUCCESS) {
2481 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2482 return rc;
2485 for (i=0; i<MPI_MAX_FIDS; i++) {
2486 memcpy_toio(ai->rxfids[i].card_ram_off,
2487 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2490 /* Alloc card TX descriptors */
2492 memset(&rsp,0,sizeof(rsp));
2493 memset(&cmd,0,sizeof(cmd));
2495 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm0 = FID_TX;
2497 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2498 cmd.parm2 = MPI_MAX_FIDS;
2500 for (i=0; i<MPI_MAX_FIDS; i++) {
2501 ai->txfids[i].tx_desc.valid = 1;
2502 memcpy_toio(ai->txfids[i].card_ram_off,
2503 &ai->txfids[i].tx_desc, sizeof(TxFid));
2505 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
2509 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2510 return rc;
2513 /* Alloc card Rid descriptor */
2514 memset(&rsp,0,sizeof(rsp));
2515 memset(&cmd,0,sizeof(cmd));
2517 cmd.cmd = CMD_ALLOCATEAUX;
2518 cmd.parm0 = RID_RW;
2519 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2520 cmd.parm2 = 1; /* Magic number... */
2521 rc=issuecommand(ai, &cmd, &rsp);
2522 if (rc != SUCCESS) {
2523 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2524 return rc;
2527 memcpy_toio(ai->config_desc.card_ram_off,
2528 &ai->config_desc.rid_desc, sizeof(Rid));
2530 return rc;
2534 * We are setting up three things here:
2535 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2536 * 2) Map PCI memory for issueing commands.
2537 * 3) Allocate memory (shared) to send and receive ethernet frames.
2539 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2541 unsigned long mem_start, mem_len, aux_start, aux_len;
2542 int rc = -1;
2543 int i;
2544 dma_addr_t busaddroff;
2545 unsigned char *vpackoff;
2546 unsigned char __iomem *pciaddroff;
2548 mem_start = pci_resource_start(pci, 1);
2549 mem_len = pci_resource_len(pci, 1);
2550 aux_start = pci_resource_start(pci, 2);
2551 aux_len = AUXMEMSIZE;
2553 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2554 airo_print_err("", "Couldn't get region %x[%x]",
2555 (int)mem_start, (int)mem_len);
2556 goto out;
2558 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2559 airo_print_err("", "Couldn't get region %x[%x]",
2560 (int)aux_start, (int)aux_len);
2561 goto free_region1;
2564 ai->pcimem = ioremap(mem_start, mem_len);
2565 if (!ai->pcimem) {
2566 airo_print_err("", "Couldn't map region %x[%x]",
2567 (int)mem_start, (int)mem_len);
2568 goto free_region2;
2570 ai->pciaux = ioremap(aux_start, aux_len);
2571 if (!ai->pciaux) {
2572 airo_print_err("", "Couldn't map region %x[%x]",
2573 (int)aux_start, (int)aux_len);
2574 goto free_memmap;
2577 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2578 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2579 if (!ai->shared) {
2580 airo_print_err("", "Couldn't alloc_consistent %d",
2581 PCI_SHARED_LEN);
2582 goto free_auxmap;
2586 * Setup descriptor RX, TX, CONFIG
2588 busaddroff = ai->shared_dma;
2589 pciaddroff = ai->pciaux + AUX_OFFSET;
2590 vpackoff = ai->shared;
2592 /* RX descriptor setup */
2593 for(i = 0; i < MPI_MAX_FIDS; i++) {
2594 ai->rxfids[i].pending = 0;
2595 ai->rxfids[i].card_ram_off = pciaddroff;
2596 ai->rxfids[i].virtual_host_addr = vpackoff;
2597 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2598 ai->rxfids[i].rx_desc.valid = 1;
2599 ai->rxfids[i].rx_desc.len = PKTSIZE;
2600 ai->rxfids[i].rx_desc.rdy = 0;
2602 pciaddroff += sizeof(RxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2607 /* TX descriptor setup */
2608 for(i = 0; i < MPI_MAX_FIDS; i++) {
2609 ai->txfids[i].card_ram_off = pciaddroff;
2610 ai->txfids[i].virtual_host_addr = vpackoff;
2611 ai->txfids[i].tx_desc.valid = 1;
2612 ai->txfids[i].tx_desc.host_addr = busaddroff;
2613 memcpy(ai->txfids[i].virtual_host_addr,
2614 &wifictlhdr8023, sizeof(wifictlhdr8023));
2616 pciaddroff += sizeof(TxFid);
2617 busaddroff += PKTSIZE;
2618 vpackoff += PKTSIZE;
2620 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2622 /* Rid descriptor setup */
2623 ai->config_desc.card_ram_off = pciaddroff;
2624 ai->config_desc.virtual_host_addr = vpackoff;
2625 ai->config_desc.rid_desc.host_addr = busaddroff;
2626 ai->ridbus = busaddroff;
2627 ai->config_desc.rid_desc.rid = 0;
2628 ai->config_desc.rid_desc.len = RIDSIZE;
2629 ai->config_desc.rid_desc.valid = 1;
2630 pciaddroff += sizeof(Rid);
2631 busaddroff += RIDSIZE;
2632 vpackoff += RIDSIZE;
2634 /* Tell card about descriptors */
2635 if (mpi_init_descriptors (ai) != SUCCESS)
2636 goto free_shared;
2638 return 0;
2639 free_shared:
2640 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2641 free_auxmap:
2642 iounmap(ai->pciaux);
2643 free_memmap:
2644 iounmap(ai->pcimem);
2645 free_region2:
2646 release_mem_region(aux_start, aux_len);
2647 free_region1:
2648 release_mem_region(mem_start, mem_len);
2649 out:
2650 return rc;
2653 static const struct header_ops airo_header_ops = {
2654 .parse = wll_header_parse,
2657 static const struct net_device_ops airo11_netdev_ops = {
2658 .ndo_open = airo_open,
2659 .ndo_stop = airo_close,
2660 .ndo_start_xmit = airo_start_xmit11,
2661 .ndo_get_stats = airo_get_stats,
2662 .ndo_set_mac_address = airo_set_mac_address,
2663 .ndo_do_ioctl = airo_ioctl,
2664 .ndo_change_mtu = airo_change_mtu,
2667 static void wifi_setup(struct net_device *dev)
2669 dev->netdev_ops = &airo11_netdev_ops;
2670 dev->header_ops = &airo_header_ops;
2671 dev->wireless_handlers = &airo_handler_def;
2673 dev->type = ARPHRD_IEEE80211;
2674 dev->hard_header_len = ETH_HLEN;
2675 dev->mtu = AIRO_DEF_MTU;
2676 dev->addr_len = ETH_ALEN;
2677 dev->tx_queue_len = 100;
2679 memset(dev->broadcast,0xFF, ETH_ALEN);
2681 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2684 static struct net_device *init_wifidev(struct airo_info *ai,
2685 struct net_device *ethdev)
2687 int err;
2688 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2689 if (!dev)
2690 return NULL;
2691 dev->ml_priv = ethdev->ml_priv;
2692 dev->irq = ethdev->irq;
2693 dev->base_addr = ethdev->base_addr;
2694 dev->wireless_data = ethdev->wireless_data;
2695 SET_NETDEV_DEV(dev, ethdev->dev.parent);
2696 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2697 err = register_netdev(dev);
2698 if (err<0) {
2699 free_netdev(dev);
2700 return NULL;
2702 return dev;
2705 static int reset_card( struct net_device *dev , int lock) {
2706 struct airo_info *ai = dev->ml_priv;
2708 if (lock && down_interruptible(&ai->sem))
2709 return -1;
2710 waitbusy (ai);
2711 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2712 msleep(200);
2713 waitbusy (ai);
2714 msleep(200);
2715 if (lock)
2716 up(&ai->sem);
2717 return 0;
2720 #define AIRO_MAX_NETWORK_COUNT 64
2721 static int airo_networks_allocate(struct airo_info *ai)
2723 if (ai->networks)
2724 return 0;
2726 ai->networks =
2727 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2728 GFP_KERNEL);
2729 if (!ai->networks) {
2730 airo_print_warn("", "Out of memory allocating beacons");
2731 return -ENOMEM;
2734 return 0;
2737 static void airo_networks_free(struct airo_info *ai)
2739 kfree(ai->networks);
2740 ai->networks = NULL;
2743 static void airo_networks_initialize(struct airo_info *ai)
2745 int i;
2747 INIT_LIST_HEAD(&ai->network_free_list);
2748 INIT_LIST_HEAD(&ai->network_list);
2749 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2750 list_add_tail(&ai->networks[i].list,
2751 &ai->network_free_list);
2754 static const struct net_device_ops airo_netdev_ops = {
2755 .ndo_open = airo_open,
2756 .ndo_stop = airo_close,
2757 .ndo_start_xmit = airo_start_xmit,
2758 .ndo_get_stats = airo_get_stats,
2759 .ndo_set_multicast_list = airo_set_multicast_list,
2760 .ndo_set_mac_address = airo_set_mac_address,
2761 .ndo_do_ioctl = airo_ioctl,
2762 .ndo_change_mtu = airo_change_mtu,
2763 .ndo_validate_addr = eth_validate_addr,
2766 static const struct net_device_ops mpi_netdev_ops = {
2767 .ndo_open = airo_open,
2768 .ndo_stop = airo_close,
2769 .ndo_start_xmit = mpi_start_xmit,
2770 .ndo_get_stats = airo_get_stats,
2771 .ndo_set_multicast_list = airo_set_multicast_list,
2772 .ndo_set_mac_address = airo_set_mac_address,
2773 .ndo_do_ioctl = airo_ioctl,
2774 .ndo_change_mtu = airo_change_mtu,
2775 .ndo_validate_addr = eth_validate_addr,
2779 static struct net_device *_init_airo_card( unsigned short irq, int port,
2780 int is_pcmcia, struct pci_dev *pci,
2781 struct device *dmdev )
2783 struct net_device *dev;
2784 struct airo_info *ai;
2785 int i, rc;
2786 CapabilityRid cap_rid;
2788 /* Create the network device object. */
2789 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2790 if (!dev) {
2791 airo_print_err("", "Couldn't alloc_etherdev");
2792 return NULL;
2795 ai = dev->ml_priv = netdev_priv(dev);
2796 ai->wifidev = NULL;
2797 ai->flags = 1 << FLAG_RADIO_DOWN;
2798 ai->jobs = 0;
2799 ai->dev = dev;
2800 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2801 airo_print_dbg("", "Found an MPI350 card");
2802 set_bit(FLAG_MPI, &ai->flags);
2804 spin_lock_init(&ai->aux_lock);
2805 sema_init(&ai->sem, 1);
2806 ai->config.len = 0;
2807 ai->pci = pci;
2808 init_waitqueue_head (&ai->thr_wait);
2809 ai->tfm = NULL;
2810 add_airo_dev(ai);
2812 if (airo_networks_allocate (ai))
2813 goto err_out_free;
2814 airo_networks_initialize (ai);
2816 skb_queue_head_init (&ai->txq);
2818 /* The Airo-specific entries in the device structure. */
2819 if (test_bit(FLAG_MPI,&ai->flags))
2820 dev->netdev_ops = &mpi_netdev_ops;
2821 else
2822 dev->netdev_ops = &airo_netdev_ops;
2823 dev->wireless_handlers = &airo_handler_def;
2824 ai->wireless_data.spy_data = &ai->spy_data;
2825 dev->wireless_data = &ai->wireless_data;
2826 dev->irq = irq;
2827 dev->base_addr = port;
2829 SET_NETDEV_DEV(dev, dmdev);
2831 reset_card (dev, 1);
2832 msleep(400);
2834 if (!is_pcmcia) {
2835 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2836 rc = -EBUSY;
2837 airo_print_err(dev->name, "Couldn't request region");
2838 goto err_out_nets;
2842 if (test_bit(FLAG_MPI,&ai->flags)) {
2843 if (mpi_map_card(ai, pci)) {
2844 airo_print_err("", "Could not map memory");
2845 goto err_out_res;
2849 if (probe) {
2850 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) {
2851 airo_print_err(dev->name, "MAC could not be enabled" );
2852 rc = -EIO;
2853 goto err_out_map;
2855 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2856 ai->bap_read = fast_bap_read;
2857 set_bit(FLAG_FLASHING, &ai->flags);
2860 strcpy(dev->name, "eth%d");
2861 rc = register_netdev(dev);
2862 if (rc) {
2863 airo_print_err(dev->name, "Couldn't register_netdev");
2864 goto err_out_map;
2866 ai->wifidev = init_wifidev(ai, dev);
2867 if (!ai->wifidev)
2868 goto err_out_reg;
2870 rc = readCapabilityRid(ai, &cap_rid, 1);
2871 if (rc != SUCCESS) {
2872 rc = -EIO;
2873 goto err_out_wifi;
2875 /* WEP capability discovery */
2876 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
2877 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
2879 airo_print_info(dev->name, "Firmware version %x.%x.%02x",
2880 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
2881 (le16_to_cpu(cap_rid.softVer) & 0xFF),
2882 le16_to_cpu(cap_rid.softSubVer));
2884 /* Test for WPA support */
2885 /* Only firmware versions 5.30.17 or better can do WPA */
2886 if (le16_to_cpu(cap_rid.softVer) > 0x530
2887 || (le16_to_cpu(cap_rid.softVer) == 0x530
2888 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2889 airo_print_info(ai->dev->name, "WPA supported.");
2891 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2892 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2893 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid);
2895 } else {
2896 airo_print_info(ai->dev->name, "WPA unsupported with firmware "
2897 "versions older than 5.30.17.");
2899 ai->bssListFirst = RID_BSSLISTFIRST;
2900 ai->bssListNext = RID_BSSLISTNEXT;
2901 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2912 if (setup_proc_entry(dev, dev->ml_priv) < 0)
2913 goto err_out_wifi;
2915 return dev;
2917 err_out_wifi:
2918 unregister_netdev(ai->wifidev);
2919 free_netdev(ai->wifidev);
2920 err_out_reg:
2921 unregister_netdev(dev);
2922 err_out_map:
2923 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2924 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2925 iounmap(ai->pciaux);
2926 iounmap(ai->pcimem);
2927 mpi_unmap_card(ai->pci);
2929 err_out_res:
2930 if (!is_pcmcia)
2931 release_region( dev->base_addr, 64 );
2932 err_out_nets:
2933 airo_networks_free(ai);
2934 del_airo_dev(ai);
2935 err_out_free:
2936 free_netdev(dev);
2937 return NULL;
2940 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2941 struct device *dmdev)
2943 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2946 EXPORT_SYMBOL(init_airo_card);
2948 static int waitbusy (struct airo_info *ai) {
2949 int delay = 0;
2950 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
2951 udelay (10);
2952 if ((++delay % 20) == 0)
2953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2955 return delay < 10000;
2958 int reset_airo_card( struct net_device *dev )
2960 int i;
2961 struct airo_info *ai = dev->ml_priv;
2963 if (reset_card (dev, 1))
2964 return -1;
2966 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2967 airo_print_err(dev->name, "MAC could not be enabled");
2968 return -1;
2970 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr);
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2978 return 0;
2981 EXPORT_SYMBOL(reset_airo_card);
2983 static void airo_send_event(struct net_device *dev) {
2984 struct airo_info *ai = dev->ml_priv;
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2988 clear_bit(JOB_EVENT, &ai->jobs);
2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 up(&ai->sem);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3000 static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3002 BSSListRid bss;
3003 int rc;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3014 /* Try to read the first entry of the scan result */
3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3016 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3017 /* No scan results */
3018 goto out;
3021 /* Read and parse all entries */
3022 tmp_net = NULL;
3023 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3031 if (tmp_net != NULL) {
3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3034 tmp_net = NULL;
3037 /* Read next entry */
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
3042 out:
3043 ai->scan_timeout = 0;
3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3045 up(&ai->sem);
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3059 static int airo_thread(void *data) {
3060 struct net_device *dev = data;
3061 struct airo_info *ai = dev->ml_priv;
3062 int locked;
3064 set_freezable();
3065 while(1) {
3066 /* make swsusp happy with our thread */
3067 try_to_freeze();
3069 if (test_bit(JOB_DIE, &ai->jobs))
3070 break;
3072 if (ai->jobs) {
3073 locked = down_interruptible(&ai->sem);
3074 } else {
3075 wait_queue_t wait;
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3079 for (;;) {
3080 set_current_state(TASK_INTERRUPTIBLE);
3081 if (ai->jobs)
3082 break;
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 break;
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3091 break;
3093 if (!kthread_should_stop() &&
3094 !freezing(current)) {
3095 unsigned long wake_at;
3096 if (!ai->expires || !ai->scan_timeout) {
3097 wake_at = max(ai->expires,
3098 ai->scan_timeout);
3099 } else {
3100 wake_at = min(ai->expires,
3101 ai->scan_timeout);
3103 schedule_timeout(wake_at - jiffies);
3104 continue;
3106 } else if (!kthread_should_stop() &&
3107 !freezing(current)) {
3108 schedule();
3109 continue;
3111 break;
3113 current->state = TASK_RUNNING;
3114 remove_wait_queue(&ai->thr_wait, &wait);
3115 locked = 1;
3118 if (locked)
3119 continue;
3121 if (test_bit(JOB_DIE, &ai->jobs)) {
3122 up(&ai->sem);
3123 break;
3126 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3127 up(&ai->sem);
3128 continue;
3131 if (test_bit(JOB_XMIT, &ai->jobs))
3132 airo_end_xmit(dev);
3133 else if (test_bit(JOB_XMIT11, &ai->jobs))
3134 airo_end_xmit11(dev);
3135 else if (test_bit(JOB_STATS, &ai->jobs))
3136 airo_read_stats(dev);
3137 else if (test_bit(JOB_WSTATS, &ai->jobs))
3138 airo_read_wireless_stats(ai);
3139 else if (test_bit(JOB_PROMISC, &ai->jobs))
3140 airo_set_promisc(ai);
3141 else if (test_bit(JOB_MIC, &ai->jobs))
3142 micinit(ai);
3143 else if (test_bit(JOB_EVENT, &ai->jobs))
3144 airo_send_event(dev);
3145 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3146 timer_func(dev);
3147 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3148 airo_process_scan_results(ai);
3149 else /* Shouldn't get here, but we make sure to unlock */
3150 up(&ai->sem);
3153 return 0;
3156 static int header_len(__le16 ctl)
3158 u16 fc = le16_to_cpu(ctl);
3159 switch (fc & 0xc) {
3160 case 4:
3161 if ((fc & 0xe0) == 0xc0)
3162 return 10; /* one-address control packet */
3163 return 16; /* two-address control packet */
3164 case 8:
3165 if ((fc & 0x300) == 0x300)
3166 return 30; /* WDS packet */
3168 return 24;
3171 static void airo_handle_cisco_mic(struct airo_info *ai)
3173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
3174 set_bit(JOB_MIC, &ai->jobs);
3175 wake_up_interruptible(&ai->thr_wait);
3179 /* Airo Status codes */
3180 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
3181 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
3182 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3183 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
3184 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3185 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
3186 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
3187 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
3188 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
3189 #define STAT_ASSOC 0x0400 /* Associated */
3190 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3192 static void airo_print_status(const char *devname, u16 status)
3194 u8 reason = status & 0xFF;
3196 switch (status) {
3197 case STAT_NOBEACON:
3198 airo_print_dbg(devname, "link lost (missed beacons)");
3199 break;
3200 case STAT_MAXRETRIES:
3201 case STAT_MAXARL:
3202 airo_print_dbg(devname, "link lost (max retries)");
3203 break;
3204 case STAT_FORCELOSS:
3205 airo_print_dbg(devname, "link lost (local choice)");
3206 break;
3207 case STAT_TSFSYNC:
3208 airo_print_dbg(devname, "link lost (TSF sync lost)");
3209 break;
3210 case STAT_DEAUTH:
3211 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
3212 break;
3213 case STAT_DISASSOC:
3214 airo_print_dbg(devname, "disassociated (reason: %d)", reason);
3215 break;
3216 case STAT_ASSOC_FAIL:
3217 airo_print_dbg(devname, "association failed (reason: %d)",
3218 reason);
3219 break;
3220 case STAT_AUTH_FAIL:
3221 airo_print_dbg(devname, "authentication failed (reason: %d)",
3222 reason);
3223 break;
3224 default:
3225 break;
3229 static void airo_handle_link(struct airo_info *ai)
3231 union iwreq_data wrqu;
3232 int scan_forceloss = 0;
3233 u16 status;
3235 /* Get new status and acknowledge the link change */
3236 status = le16_to_cpu(IN4500(ai, LINKSTAT));
3237 OUT4500(ai, EVACK, EV_LINK);
3239 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
3240 scan_forceloss = 1;
3242 airo_print_status(ai->dev->name, status);
3244 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
3245 if (auto_wep)
3246 ai->expires = 0;
3247 if (ai->list_bss_task)
3248 wake_up_process(ai->list_bss_task);
3249 set_bit(FLAG_UPDATE_UNI, &ai->flags);
3250 set_bit(FLAG_UPDATE_MULTI, &ai->flags);
3252 if (down_trylock(&ai->sem) != 0) {
3253 set_bit(JOB_EVENT, &ai->jobs);
3254 wake_up_interruptible(&ai->thr_wait);
3255 } else
3256 airo_send_event(ai->dev);
3257 } else if (!scan_forceloss) {
3258 if (auto_wep && !ai->expires) {
3259 ai->expires = RUN_AT(3*HZ);
3260 wake_up_interruptible(&ai->thr_wait);
3263 /* Send event to user space */
3264 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3265 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3266 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
3270 static void airo_handle_rx(struct airo_info *ai)
3272 struct sk_buff *skb = NULL;
3273 __le16 fc, v, *buffer, tmpbuf[4];
3274 u16 len, hdrlen = 0, gap, fid;
3275 struct rx_hdr hdr;
3276 int success = 0;
3278 if (test_bit(FLAG_MPI, &ai->flags)) {
3279 if (test_bit(FLAG_802_11, &ai->flags))
3280 mpi_receive_802_11(ai);
3281 else
3282 mpi_receive_802_3(ai);
3283 OUT4500(ai, EVACK, EV_RX);
3284 return;
3287 fid = IN4500(ai, RXFID);
3289 /* Get the packet length */
3290 if (test_bit(FLAG_802_11, &ai->flags)) {
3291 bap_setup (ai, fid, 4, BAP0);
3292 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
3293 /* Bad CRC. Ignore packet */
3294 if (le16_to_cpu(hdr.status) & 2)
3295 hdr.len = 0;
3296 if (ai->wifidev == NULL)
3297 hdr.len = 0;
3298 } else {
3299 bap_setup(ai, fid, 0x36, BAP0);
3300 bap_read(ai, &hdr.len, 2, BAP0);
3302 len = le16_to_cpu(hdr.len);
3304 if (len > AIRO_DEF_MTU) {
3305 airo_print_err(ai->dev->name, "Bad size %d", len);
3306 goto done;
3308 if (len == 0)
3309 goto done;
3311 if (test_bit(FLAG_802_11, &ai->flags)) {
3312 bap_read(ai, &fc, sizeof (fc), BAP0);
3313 hdrlen = header_len(fc);
3314 } else
3315 hdrlen = ETH_ALEN * 2;
3317 skb = dev_alloc_skb(len + hdrlen + 2 + 2);
3318 if (!skb) {
3319 ai->dev->stats.rx_dropped++;
3320 goto done;
3323 skb_reserve(skb, 2); /* This way the IP header is aligned */
3324 buffer = (__le16 *) skb_put(skb, len + hdrlen);
3325 if (test_bit(FLAG_802_11, &ai->flags)) {
3326 buffer[0] = fc;
3327 bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
3328 if (hdrlen == 24)
3329 bap_read(ai, tmpbuf, 6, BAP0);
3331 bap_read(ai, &v, sizeof(v), BAP0);
3332 gap = le16_to_cpu(v);
3333 if (gap) {
3334 if (gap <= 8) {
3335 bap_read(ai, tmpbuf, gap, BAP0);
3336 } else {
3337 airo_print_err(ai->dev->name, "gaplen too "
3338 "big. Problems will follow...");
3341 bap_read(ai, buffer + hdrlen/2, len, BAP0);
3342 } else {
3343 MICBuffer micbuf;
3345 bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
3346 if (ai->micstats.enabled) {
3347 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
3348 if (ntohs(micbuf.typelen) > 0x05DC)
3349 bap_setup(ai, fid, 0x44, BAP0);
3350 else {
3351 if (len <= sizeof (micbuf)) {
3352 dev_kfree_skb_irq(skb);
3353 goto done;
3356 len -= sizeof(micbuf);
3357 skb_trim(skb, len + hdrlen);
3361 bap_read(ai, buffer + ETH_ALEN, len, BAP0);
3362 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
3363 dev_kfree_skb_irq (skb);
3364 else
3365 success = 1;
3368 #ifdef WIRELESS_SPY
3369 if (success && (ai->spy_data.spy_number > 0)) {
3370 char *sa;
3371 struct iw_quality wstats;
3373 /* Prepare spy data : addr + qual */
3374 if (!test_bit(FLAG_802_11, &ai->flags)) {
3375 sa = (char *) buffer + 6;
3376 bap_setup(ai, fid, 8, BAP0);
3377 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
3378 } else
3379 sa = (char *) buffer + 10;
3380 wstats.qual = hdr.rssi[0];
3381 if (ai->rssi)
3382 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3383 else
3384 wstats.level = (hdr.rssi[1] + 321) / 2;
3385 wstats.noise = ai->wstats.qual.noise;
3386 wstats.updated = IW_QUAL_LEVEL_UPDATED
3387 | IW_QUAL_QUAL_UPDATED
3388 | IW_QUAL_DBM;
3389 /* Update spy records */
3390 wireless_spy_update(ai->dev, sa, &wstats);
3392 #endif /* WIRELESS_SPY */
3394 done:
3395 OUT4500(ai, EVACK, EV_RX);
3397 if (success) {
3398 if (test_bit(FLAG_802_11, &ai->flags)) {
3399 skb_reset_mac_header(skb);
3400 skb->pkt_type = PACKET_OTHERHOST;
3401 skb->dev = ai->wifidev;
3402 skb->protocol = htons(ETH_P_802_2);
3403 } else
3404 skb->protocol = eth_type_trans(skb, ai->dev);
3405 skb->ip_summed = CHECKSUM_NONE;
3407 netif_rx(skb);
3411 static void airo_handle_tx(struct airo_info *ai, u16 status)
3413 int i, len = 0, index = -1;
3414 u16 fid;
3416 if (test_bit(FLAG_MPI, &ai->flags)) {
3417 unsigned long flags;
3419 if (status & EV_TXEXC)
3420 get_tx_error(ai, -1);
3422 spin_lock_irqsave(&ai->aux_lock, flags);
3423 if (!skb_queue_empty(&ai->txq)) {
3424 spin_unlock_irqrestore(&ai->aux_lock,flags);
3425 mpi_send_packet(ai->dev);
3426 } else {
3427 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
3428 spin_unlock_irqrestore(&ai->aux_lock,flags);
3429 netif_wake_queue(ai->dev);
3431 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3432 return;
3435 fid = IN4500(ai, TXCOMPLFID);
3437 for(i = 0; i < MAX_FIDS; i++) {
3438 if ((ai->fids[i] & 0xffff) == fid) {
3439 len = ai->fids[i] >> 16;
3440 index = i;
3444 if (index != -1) {
3445 if (status & EV_TXEXC)
3446 get_tx_error(ai, index);
3448 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
3450 /* Set up to be used again */
3451 ai->fids[index] &= 0xffff;
3452 if (index < MAX_FIDS / 2) {
3453 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
3454 netif_wake_queue(ai->dev);
3455 } else {
3456 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
3457 netif_wake_queue(ai->wifidev);
3459 } else {
3460 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3461 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
3465 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3467 struct net_device *dev = dev_id;
3468 u16 status, savedInterrupts = 0;
3469 struct airo_info *ai = dev->ml_priv;
3470 int handled = 0;
3472 if (!netif_device_present(dev))
3473 return IRQ_NONE;
3475 for (;;) {
3476 status = IN4500(ai, EVSTAT);
3477 if (!(status & STATUS_INTS) || (status == 0xffff))
3478 break;
3480 handled = 1;
3482 if (status & EV_AWAKE) {
3483 OUT4500(ai, EVACK, EV_AWAKE);
3484 OUT4500(ai, EVACK, EV_AWAKE);
3487 if (!savedInterrupts) {
3488 savedInterrupts = IN4500(ai, EVINTEN);
3489 OUT4500(ai, EVINTEN, 0);
3492 if (status & EV_MIC) {
3493 OUT4500(ai, EVACK, EV_MIC);
3494 airo_handle_cisco_mic(ai);
3497 if (status & EV_LINK) {
3498 /* Link status changed */
3499 airo_handle_link(ai);
3502 /* Check to see if there is something to receive */
3503 if (status & EV_RX)
3504 airo_handle_rx(ai);
3506 /* Check to see if a packet has been transmitted */
3507 if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
3508 airo_handle_tx(ai, status);
3510 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
3511 airo_print_warn(ai->dev->name, "Got weird status %x",
3512 status & ~STATUS_INTS & ~IGNORE_INTS );
3516 if (savedInterrupts)
3517 OUT4500(ai, EVINTEN, savedInterrupts);
3519 return IRQ_RETVAL(handled);
3523 * Routines to talk to the card
3527 * This was originally written for the 4500, hence the name
3528 * NOTE: If use with 8bit mode and SMP bad things will happen!
3529 * Why would some one do 8 bit IO in an SMP machine?!?
3531 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3532 if (test_bit(FLAG_MPI,&ai->flags))
3533 reg <<= 1;
3534 if ( !do8bitIO )
3535 outw( val, ai->dev->base_addr + reg );
3536 else {
3537 outb( val & 0xff, ai->dev->base_addr + reg );
3538 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3542 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3543 unsigned short rc;
3545 if (test_bit(FLAG_MPI,&ai->flags))
3546 reg <<= 1;
3547 if ( !do8bitIO )
3548 rc = inw( ai->dev->base_addr + reg );
3549 else {
3550 rc = inb( ai->dev->base_addr + reg );
3551 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3553 return rc;
3556 static int enable_MAC(struct airo_info *ai, int lock)
3558 int rc;
3559 Cmd cmd;
3560 Resp rsp;
3562 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3563 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3564 * Note : we could try to use !netif_running(dev) in enable_MAC()
3565 * instead of this flag, but I don't trust it *within* the
3566 * open/close functions, and testing both flags together is
3567 * "cheaper" - Jean II */
3568 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3570 if (lock && down_interruptible(&ai->sem))
3571 return -ERESTARTSYS;
3573 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3574 memset(&cmd, 0, sizeof(cmd));
3575 cmd.cmd = MAC_ENABLE;
3576 rc = issuecommand(ai, &cmd, &rsp);
3577 if (rc == SUCCESS)
3578 set_bit(FLAG_ENABLED, &ai->flags);
3579 } else
3580 rc = SUCCESS;
3582 if (lock)
3583 up(&ai->sem);
3585 if (rc)
3586 airo_print_err(ai->dev->name, "Cannot enable MAC");
3587 else if ((rsp.status & 0xFF00) != 0) {
3588 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3589 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3590 rc = ERROR;
3592 return rc;
3595 static void disable_MAC( struct airo_info *ai, int lock ) {
3596 Cmd cmd;
3597 Resp rsp;
3599 if (lock && down_interruptible(&ai->sem))
3600 return;
3602 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3603 memset(&cmd, 0, sizeof(cmd));
3604 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3605 issuecommand(ai, &cmd, &rsp);
3606 clear_bit(FLAG_ENABLED, &ai->flags);
3608 if (lock)
3609 up(&ai->sem);
3612 static void enable_interrupts( struct airo_info *ai ) {
3613 /* Enable the interrupts */
3614 OUT4500( ai, EVINTEN, STATUS_INTS );
3617 static void disable_interrupts( struct airo_info *ai ) {
3618 OUT4500( ai, EVINTEN, 0 );
3621 static void mpi_receive_802_3(struct airo_info *ai)
3623 RxFid rxd;
3624 int len = 0;
3625 struct sk_buff *skb;
3626 char *buffer;
3627 int off = 0;
3628 MICBuffer micbuf;
3630 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3631 /* Make sure we got something */
3632 if (rxd.rdy && rxd.valid == 0) {
3633 len = rxd.len + 12;
3634 if (len < 12 || len > 2048)
3635 goto badrx;
3637 skb = dev_alloc_skb(len);
3638 if (!skb) {
3639 ai->dev->stats.rx_dropped++;
3640 goto badrx;
3642 buffer = skb_put(skb,len);
3643 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3644 if (ai->micstats.enabled) {
3645 memcpy(&micbuf,
3646 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3647 sizeof(micbuf));
3648 if (ntohs(micbuf.typelen) <= 0x05DC) {
3649 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3650 goto badmic;
3652 off = sizeof(micbuf);
3653 skb_trim (skb, len - off);
3656 memcpy(buffer + ETH_ALEN * 2,
3657 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3658 len - ETH_ALEN * 2 - off);
3659 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3660 badmic:
3661 dev_kfree_skb_irq (skb);
3662 goto badrx;
3664 #ifdef WIRELESS_SPY
3665 if (ai->spy_data.spy_number > 0) {
3666 char *sa;
3667 struct iw_quality wstats;
3668 /* Prepare spy data : addr + qual */
3669 sa = buffer + ETH_ALEN;
3670 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3671 wstats.level = 0;
3672 wstats.updated = 0;
3673 /* Update spy records */
3674 wireless_spy_update(ai->dev, sa, &wstats);
3676 #endif /* WIRELESS_SPY */
3678 skb->ip_summed = CHECKSUM_NONE;
3679 skb->protocol = eth_type_trans(skb, ai->dev);
3680 netif_rx(skb);
3682 badrx:
3683 if (rxd.valid == 0) {
3684 rxd.valid = 1;
3685 rxd.rdy = 0;
3686 rxd.len = PKTSIZE;
3687 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3691 static void mpi_receive_802_11(struct airo_info *ai)
3693 RxFid rxd;
3694 struct sk_buff *skb = NULL;
3695 u16 len, hdrlen = 0;
3696 __le16 fc;
3697 struct rx_hdr hdr;
3698 u16 gap;
3699 u16 *buffer;
3700 char *ptr = ai->rxfids[0].virtual_host_addr + 4;
3702 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3703 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3704 ptr += sizeof(hdr);
3705 /* Bad CRC. Ignore packet */
3706 if (le16_to_cpu(hdr.status) & 2)
3707 hdr.len = 0;
3708 if (ai->wifidev == NULL)
3709 hdr.len = 0;
3710 len = le16_to_cpu(hdr.len);
3711 if (len > AIRO_DEF_MTU) {
3712 airo_print_err(ai->dev->name, "Bad size %d", len);
3713 goto badrx;
3715 if (len == 0)
3716 goto badrx;
3718 fc = get_unaligned((__le16 *)ptr);
3719 hdrlen = header_len(fc);
3721 skb = dev_alloc_skb( len + hdrlen + 2 );
3722 if ( !skb ) {
3723 ai->dev->stats.rx_dropped++;
3724 goto badrx;
3726 buffer = (u16*)skb_put (skb, len + hdrlen);
3727 memcpy ((char *)buffer, ptr, hdrlen);
3728 ptr += hdrlen;
3729 if (hdrlen == 24)
3730 ptr += 6;
3731 gap = get_unaligned_le16(ptr);
3732 ptr += sizeof(__le16);
3733 if (gap) {
3734 if (gap <= 8)
3735 ptr += gap;
3736 else
3737 airo_print_err(ai->dev->name,
3738 "gaplen too big. Problems will follow...");
3740 memcpy ((char *)buffer + hdrlen, ptr, len);
3741 ptr += len;
3742 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3743 if (ai->spy_data.spy_number > 0) {
3744 char *sa;
3745 struct iw_quality wstats;
3746 /* Prepare spy data : addr + qual */
3747 sa = (char*)buffer + 10;
3748 wstats.qual = hdr.rssi[0];
3749 if (ai->rssi)
3750 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3751 else
3752 wstats.level = (hdr.rssi[1] + 321) / 2;
3753 wstats.noise = ai->wstats.qual.noise;
3754 wstats.updated = IW_QUAL_QUAL_UPDATED
3755 | IW_QUAL_LEVEL_UPDATED
3756 | IW_QUAL_DBM;
3757 /* Update spy records */
3758 wireless_spy_update(ai->dev, sa, &wstats);
3760 #endif /* IW_WIRELESS_SPY */
3761 skb_reset_mac_header(skb);
3762 skb->pkt_type = PACKET_OTHERHOST;
3763 skb->dev = ai->wifidev;
3764 skb->protocol = htons(ETH_P_802_2);
3765 skb->ip_summed = CHECKSUM_NONE;
3766 netif_rx( skb );
3768 badrx:
3769 if (rxd.valid == 0) {
3770 rxd.valid = 1;
3771 rxd.rdy = 0;
3772 rxd.len = PKTSIZE;
3773 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3777 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3779 Cmd cmd;
3780 Resp rsp;
3781 int status;
3782 SsidRid mySsid;
3783 __le16 lastindex;
3784 WepKeyRid wkr;
3785 int rc;
3787 memset( &mySsid, 0, sizeof( mySsid ) );
3788 kfree (ai->flash);
3789 ai->flash = NULL;
3791 /* The NOP is the first step in getting the card going */
3792 cmd.cmd = NOP;
3793 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3794 if (lock && down_interruptible(&ai->sem))
3795 return ERROR;
3796 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3797 if (lock)
3798 up(&ai->sem);
3799 return ERROR;
3801 disable_MAC( ai, 0);
3803 // Let's figure out if we need to use the AUX port
3804 if (!test_bit(FLAG_MPI,&ai->flags)) {
3805 cmd.cmd = CMD_ENABLEAUX;
3806 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3807 if (lock)
3808 up(&ai->sem);
3809 airo_print_err(ai->dev->name, "Error checking for AUX port");
3810 return ERROR;
3812 if (!aux_bap || rsp.status & 0xff00) {
3813 ai->bap_read = fast_bap_read;
3814 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3815 } else {
3816 ai->bap_read = aux_bap_read;
3817 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3820 if (lock)
3821 up(&ai->sem);
3822 if (ai->config.len == 0) {
3823 int i;
3824 tdsRssiRid rssi_rid;
3825 CapabilityRid cap_rid;
3827 kfree(ai->APList);
3828 ai->APList = NULL;
3829 kfree(ai->SSID);
3830 ai->SSID = NULL;
3831 // general configuration (read/modify/write)
3832 status = readConfigRid(ai, lock);
3833 if ( status != SUCCESS ) return ERROR;
3835 status = readCapabilityRid(ai, &cap_rid, lock);
3836 if ( status != SUCCESS ) return ERROR;
3838 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3839 if ( status == SUCCESS ) {
3840 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3841 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3843 else {
3844 kfree(ai->rssi);
3845 ai->rssi = NULL;
3846 if (cap_rid.softCap & cpu_to_le16(8))
3847 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3848 else
3849 airo_print_warn(ai->dev->name, "unknown received signal "
3850 "level scale");
3852 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3853 ai->config.authType = AUTH_OPEN;
3854 ai->config.modulation = MOD_CCK;
3856 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3857 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3858 micsetup(ai) == SUCCESS) {
3859 ai->config.opmode |= MODE_MIC;
3860 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3863 /* Save off the MAC */
3864 for( i = 0; i < ETH_ALEN; i++ ) {
3865 mac[i] = ai->config.macAddr[i];
3868 /* Check to see if there are any insmod configured
3869 rates to add */
3870 if ( rates[0] ) {
3871 memset(ai->config.rates,0,sizeof(ai->config.rates));
3872 for( i = 0; i < 8 && rates[i]; i++ ) {
3873 ai->config.rates[i] = rates[i];
3876 if ( basic_rate > 0 ) {
3877 for( i = 0; i < 8; i++ ) {
3878 if ( ai->config.rates[i] == basic_rate ||
3879 !ai->config.rates ) {
3880 ai->config.rates[i] = basic_rate | 0x80;
3881 break;
3885 set_bit (FLAG_COMMIT, &ai->flags);
3888 /* Setup the SSIDs if present */
3889 if ( ssids[0] ) {
3890 int i;
3891 for( i = 0; i < 3 && ssids[i]; i++ ) {
3892 size_t len = strlen(ssids[i]);
3893 if (len > 32)
3894 len = 32;
3895 mySsid.ssids[i].len = cpu_to_le16(len);
3896 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3898 mySsid.len = cpu_to_le16(sizeof(mySsid));
3901 status = writeConfigRid(ai, lock);
3902 if ( status != SUCCESS ) return ERROR;
3904 /* Set up the SSID list */
3905 if ( ssids[0] ) {
3906 status = writeSsidRid(ai, &mySsid, lock);
3907 if ( status != SUCCESS ) return ERROR;
3910 status = enable_MAC(ai, lock);
3911 if (status != SUCCESS)
3912 return ERROR;
3914 /* Grab the initial wep key, we gotta save it for auto_wep */
3915 rc = readWepKeyRid(ai, &wkr, 1, lock);
3916 if (rc == SUCCESS) do {
3917 lastindex = wkr.kindex;
3918 if (wkr.kindex == cpu_to_le16(0xffff)) {
3919 ai->defindex = wkr.mac[0];
3921 rc = readWepKeyRid(ai, &wkr, 0, lock);
3922 } while(lastindex != wkr.kindex);
3924 try_auto_wep(ai);
3926 return SUCCESS;
3929 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3930 // Im really paranoid about letting it run forever!
3931 int max_tries = 600000;
3933 if (IN4500(ai, EVSTAT) & EV_CMD)
3934 OUT4500(ai, EVACK, EV_CMD);
3936 OUT4500(ai, PARAM0, pCmd->parm0);
3937 OUT4500(ai, PARAM1, pCmd->parm1);
3938 OUT4500(ai, PARAM2, pCmd->parm2);
3939 OUT4500(ai, COMMAND, pCmd->cmd);
3941 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3942 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3943 // PC4500 didn't notice command, try again
3944 OUT4500(ai, COMMAND, pCmd->cmd);
3945 if (!in_atomic() && (max_tries & 255) == 0)
3946 schedule();
3949 if ( max_tries == -1 ) {
3950 airo_print_err(ai->dev->name,
3951 "Max tries exceeded when issueing command");
3952 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3954 return ERROR;
3957 // command completed
3958 pRsp->status = IN4500(ai, STATUS);
3959 pRsp->rsp0 = IN4500(ai, RESP0);
3960 pRsp->rsp1 = IN4500(ai, RESP1);
3961 pRsp->rsp2 = IN4500(ai, RESP2);
3962 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3963 airo_print_err(ai->dev->name,
3964 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3965 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3966 pRsp->rsp2);
3968 // clear stuck command busy if necessary
3969 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3970 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3972 // acknowledge processing the status/response
3973 OUT4500(ai, EVACK, EV_CMD);
3975 return SUCCESS;
3978 /* Sets up the bap to start exchange data. whichbap should
3979 * be one of the BAP0 or BAP1 defines. Locks should be held before
3980 * calling! */
3981 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3983 int timeout = 50;
3984 int max_tries = 3;
3986 OUT4500(ai, SELECT0+whichbap, rid);
3987 OUT4500(ai, OFFSET0+whichbap, offset);
3988 while (1) {
3989 int status = IN4500(ai, OFFSET0+whichbap);
3990 if (status & BAP_BUSY) {
3991 /* This isn't really a timeout, but its kinda
3992 close */
3993 if (timeout--) {
3994 continue;
3996 } else if ( status & BAP_ERR ) {
3997 /* invalid rid or offset */
3998 airo_print_err(ai->dev->name, "BAP error %x %d",
3999 status, whichbap );
4000 return ERROR;
4001 } else if (status & BAP_DONE) { // success
4002 return SUCCESS;
4004 if ( !(max_tries--) ) {
4005 airo_print_err(ai->dev->name,
4006 "BAP setup error too many retries\n");
4007 return ERROR;
4009 // -- PC4500 missed it, try again
4010 OUT4500(ai, SELECT0+whichbap, rid);
4011 OUT4500(ai, OFFSET0+whichbap, offset);
4012 timeout = 50;
4016 /* should only be called by aux_bap_read. This aux function and the
4017 following use concepts not documented in the developers guide. I
4018 got them from a patch given to my by Aironet */
4019 static u16 aux_setup(struct airo_info *ai, u16 page,
4020 u16 offset, u16 *len)
4022 u16 next;
4024 OUT4500(ai, AUXPAGE, page);
4025 OUT4500(ai, AUXOFF, 0);
4026 next = IN4500(ai, AUXDATA);
4027 *len = IN4500(ai, AUXDATA)&0xff;
4028 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4029 return next;
4032 /* requires call to bap_setup() first */
4033 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4034 int bytelen, int whichbap)
4036 u16 len;
4037 u16 page;
4038 u16 offset;
4039 u16 next;
4040 int words;
4041 int i;
4042 unsigned long flags;
4044 spin_lock_irqsave(&ai->aux_lock, flags);
4045 page = IN4500(ai, SWS0+whichbap);
4046 offset = IN4500(ai, SWS2+whichbap);
4047 next = aux_setup(ai, page, offset, &len);
4048 words = (bytelen+1)>>1;
4050 for (i=0; i<words;) {
4051 int count;
4052 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4053 if ( !do8bitIO )
4054 insw( ai->dev->base_addr+DATA0+whichbap,
4055 pu16Dst+i,count );
4056 else
4057 insb( ai->dev->base_addr+DATA0+whichbap,
4058 pu16Dst+i, count << 1 );
4059 i += count;
4060 if (i<words) {
4061 next = aux_setup(ai, next, 4, &len);
4064 spin_unlock_irqrestore(&ai->aux_lock, flags);
4065 return SUCCESS;
4069 /* requires call to bap_setup() first */
4070 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4071 int bytelen, int whichbap)
4073 bytelen = (bytelen + 1) & (~1); // round up to even value
4074 if ( !do8bitIO )
4075 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4076 else
4077 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4078 return SUCCESS;
4081 /* requires call to bap_setup() first */
4082 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4083 int bytelen, int whichbap)
4085 bytelen = (bytelen + 1) & (~1); // round up to even value
4086 if ( !do8bitIO )
4087 outsw( ai->dev->base_addr+DATA0+whichbap,
4088 pu16Src, bytelen>>1 );
4089 else
4090 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4091 return SUCCESS;
4094 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4096 Cmd cmd; /* for issuing commands */
4097 Resp rsp; /* response from commands */
4098 u16 status;
4100 memset(&cmd, 0, sizeof(cmd));
4101 cmd.cmd = accmd;
4102 cmd.parm0 = rid;
4103 status = issuecommand(ai, &cmd, &rsp);
4104 if (status != 0) return status;
4105 if ( (rsp.status & 0x7F00) != 0) {
4106 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4108 return 0;
4111 /* Note, that we are using BAP1 which is also used by transmit, so
4112 * we must get a lock. */
4113 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4115 u16 status;
4116 int rc = SUCCESS;
4118 if (lock) {
4119 if (down_interruptible(&ai->sem))
4120 return ERROR;
4122 if (test_bit(FLAG_MPI,&ai->flags)) {
4123 Cmd cmd;
4124 Resp rsp;
4126 memset(&cmd, 0, sizeof(cmd));
4127 memset(&rsp, 0, sizeof(rsp));
4128 ai->config_desc.rid_desc.valid = 1;
4129 ai->config_desc.rid_desc.len = RIDSIZE;
4130 ai->config_desc.rid_desc.rid = 0;
4131 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4133 cmd.cmd = CMD_ACCESS;
4134 cmd.parm0 = rid;
4136 memcpy_toio(ai->config_desc.card_ram_off,
4137 &ai->config_desc.rid_desc, sizeof(Rid));
4139 rc = issuecommand(ai, &cmd, &rsp);
4141 if (rsp.status & 0x7f00)
4142 rc = rsp.rsp0;
4143 if (!rc)
4144 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4145 goto done;
4146 } else {
4147 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4148 rc = status;
4149 goto done;
4151 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4152 rc = ERROR;
4153 goto done;
4155 // read the rid length field
4156 bap_read(ai, pBuf, 2, BAP1);
4157 // length for remaining part of rid
4158 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4160 if ( len <= 2 ) {
4161 airo_print_err(ai->dev->name,
4162 "Rid %x has a length of %d which is too short",
4163 (int)rid, (int)len );
4164 rc = ERROR;
4165 goto done;
4167 // read remainder of the rid
4168 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4170 done:
4171 if (lock)
4172 up(&ai->sem);
4173 return rc;
4176 /* Note, that we are using BAP1 which is also used by transmit, so
4177 * make sure this isnt called when a transmit is happening */
4178 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4179 const void *pBuf, int len, int lock)
4181 u16 status;
4182 int rc = SUCCESS;
4184 *(__le16*)pBuf = cpu_to_le16((u16)len);
4186 if (lock) {
4187 if (down_interruptible(&ai->sem))
4188 return ERROR;
4190 if (test_bit(FLAG_MPI,&ai->flags)) {
4191 Cmd cmd;
4192 Resp rsp;
4194 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4195 airo_print_err(ai->dev->name,
4196 "%s: MAC should be disabled (rid=%04x)",
4197 __func__, rid);
4198 memset(&cmd, 0, sizeof(cmd));
4199 memset(&rsp, 0, sizeof(rsp));
4201 ai->config_desc.rid_desc.valid = 1;
4202 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4203 ai->config_desc.rid_desc.rid = 0;
4205 cmd.cmd = CMD_WRITERID;
4206 cmd.parm0 = rid;
4208 memcpy_toio(ai->config_desc.card_ram_off,
4209 &ai->config_desc.rid_desc, sizeof(Rid));
4211 if (len < 4 || len > 2047) {
4212 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len);
4213 rc = -1;
4214 } else {
4215 memcpy((char *)ai->config_desc.virtual_host_addr,
4216 pBuf, len);
4218 rc = issuecommand(ai, &cmd, &rsp);
4219 if ((rc & 0xff00) != 0) {
4220 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4221 __func__, rc);
4222 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4223 __func__, cmd.cmd);
4226 if ((rsp.status & 0x7f00))
4227 rc = rsp.rsp0;
4229 } else {
4230 // --- first access so that we can write the rid data
4231 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4232 rc = status;
4233 goto done;
4235 // --- now write the rid data
4236 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4237 rc = ERROR;
4238 goto done;
4240 bap_write(ai, pBuf, len, BAP1);
4241 // ---now commit the rid data
4242 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4244 done:
4245 if (lock)
4246 up(&ai->sem);
4247 return rc;
4250 /* Allocates a FID to be used for transmitting packets. We only use
4251 one for now. */
4252 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4254 unsigned int loop = 3000;
4255 Cmd cmd;
4256 Resp rsp;
4257 u16 txFid;
4258 __le16 txControl;
4260 cmd.cmd = CMD_ALLOCATETX;
4261 cmd.parm0 = lenPayload;
4262 if (down_interruptible(&ai->sem))
4263 return ERROR;
4264 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4265 txFid = ERROR;
4266 goto done;
4268 if ( (rsp.status & 0xFF00) != 0) {
4269 txFid = ERROR;
4270 goto done;
4272 /* wait for the allocate event/indication
4273 * It makes me kind of nervous that this can just sit here and spin,
4274 * but in practice it only loops like four times. */
4275 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4276 if (!loop) {
4277 txFid = ERROR;
4278 goto done;
4281 // get the allocated fid and acknowledge
4282 txFid = IN4500(ai, TXALLOCFID);
4283 OUT4500(ai, EVACK, EV_ALLOC);
4285 /* The CARD is pretty cool since it converts the ethernet packet
4286 * into 802.11. Also note that we don't release the FID since we
4287 * will be using the same one over and over again. */
4288 /* We only have to setup the control once since we are not
4289 * releasing the fid. */
4290 if (raw)
4291 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4292 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4293 else
4294 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4295 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4296 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4297 txFid = ERROR;
4298 else
4299 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4301 done:
4302 up(&ai->sem);
4304 return txFid;
4307 /* In general BAP1 is dedicated to transmiting packets. However,
4308 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4309 Make sure the BAP1 spinlock is held when this is called. */
4310 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4312 __le16 payloadLen;
4313 Cmd cmd;
4314 Resp rsp;
4315 int miclen = 0;
4316 u16 txFid = len;
4317 MICBuffer pMic;
4319 len >>= 16;
4321 if (len <= ETH_ALEN * 2) {
4322 airo_print_warn(ai->dev->name, "Short packet %d", len);
4323 return ERROR;
4325 len -= ETH_ALEN * 2;
4327 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4328 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4329 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4330 return ERROR;
4331 miclen = sizeof(pMic);
4333 // packet is destination[6], source[6], payload[len-12]
4334 // write the payload length and dst/src/payload
4335 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4336 /* The hardware addresses aren't counted as part of the payload, so
4337 * we have to subtract the 12 bytes for the addresses off */
4338 payloadLen = cpu_to_le16(len + miclen);
4339 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4340 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4341 if (miclen)
4342 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4343 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4344 // issue the transmit command
4345 memset( &cmd, 0, sizeof( cmd ) );
4346 cmd.cmd = CMD_TRANSMIT;
4347 cmd.parm0 = txFid;
4348 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4349 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4350 return SUCCESS;
4353 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4355 __le16 fc, payloadLen;
4356 Cmd cmd;
4357 Resp rsp;
4358 int hdrlen;
4359 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4360 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4361 u16 txFid = len;
4362 len >>= 16;
4364 fc = *(__le16*)pPacket;
4365 hdrlen = header_len(fc);
4367 if (len < hdrlen) {
4368 airo_print_warn(ai->dev->name, "Short packet %d", len);
4369 return ERROR;
4372 /* packet is 802.11 header + payload
4373 * write the payload length and dst/src/payload */
4374 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4375 /* The 802.11 header aren't counted as part of the payload, so
4376 * we have to subtract the header bytes off */
4377 payloadLen = cpu_to_le16(len-hdrlen);
4378 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4379 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4380 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4381 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4383 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4384 // issue the transmit command
4385 memset( &cmd, 0, sizeof( cmd ) );
4386 cmd.cmd = CMD_TRANSMIT;
4387 cmd.parm0 = txFid;
4388 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4389 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4390 return SUCCESS;
4394 * This is the proc_fs routines. It is a bit messier than I would
4395 * like! Feel free to clean it up!
4398 static ssize_t proc_read( struct file *file,
4399 char __user *buffer,
4400 size_t len,
4401 loff_t *offset);
4403 static ssize_t proc_write( struct file *file,
4404 const char __user *buffer,
4405 size_t len,
4406 loff_t *offset );
4407 static int proc_close( struct inode *inode, struct file *file );
4409 static int proc_stats_open( struct inode *inode, struct file *file );
4410 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4411 static int proc_status_open( struct inode *inode, struct file *file );
4412 static int proc_SSID_open( struct inode *inode, struct file *file );
4413 static int proc_APList_open( struct inode *inode, struct file *file );
4414 static int proc_BSSList_open( struct inode *inode, struct file *file );
4415 static int proc_config_open( struct inode *inode, struct file *file );
4416 static int proc_wepkey_open( struct inode *inode, struct file *file );
4418 static const struct file_operations proc_statsdelta_ops = {
4419 .owner = THIS_MODULE,
4420 .read = proc_read,
4421 .open = proc_statsdelta_open,
4422 .release = proc_close
4425 static const struct file_operations proc_stats_ops = {
4426 .owner = THIS_MODULE,
4427 .read = proc_read,
4428 .open = proc_stats_open,
4429 .release = proc_close
4432 static const struct file_operations proc_status_ops = {
4433 .owner = THIS_MODULE,
4434 .read = proc_read,
4435 .open = proc_status_open,
4436 .release = proc_close
4439 static const struct file_operations proc_SSID_ops = {
4440 .owner = THIS_MODULE,
4441 .read = proc_read,
4442 .write = proc_write,
4443 .open = proc_SSID_open,
4444 .release = proc_close
4447 static const struct file_operations proc_BSSList_ops = {
4448 .owner = THIS_MODULE,
4449 .read = proc_read,
4450 .write = proc_write,
4451 .open = proc_BSSList_open,
4452 .release = proc_close
4455 static const struct file_operations proc_APList_ops = {
4456 .owner = THIS_MODULE,
4457 .read = proc_read,
4458 .write = proc_write,
4459 .open = proc_APList_open,
4460 .release = proc_close
4463 static const struct file_operations proc_config_ops = {
4464 .owner = THIS_MODULE,
4465 .read = proc_read,
4466 .write = proc_write,
4467 .open = proc_config_open,
4468 .release = proc_close
4471 static const struct file_operations proc_wepkey_ops = {
4472 .owner = THIS_MODULE,
4473 .read = proc_read,
4474 .write = proc_write,
4475 .open = proc_wepkey_open,
4476 .release = proc_close
4479 static struct proc_dir_entry *airo_entry;
4481 struct proc_data {
4482 int release_buffer;
4483 int readlen;
4484 char *rbuffer;
4485 int writelen;
4486 int maxwritelen;
4487 char *wbuffer;
4488 void (*on_close) (struct inode *, struct file *);
4491 static int setup_proc_entry( struct net_device *dev,
4492 struct airo_info *apriv ) {
4493 struct proc_dir_entry *entry;
4494 /* First setup the device directory */
4495 strcpy(apriv->proc_name,dev->name);
4496 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4497 S_IFDIR|airo_perm,
4498 airo_entry);
4499 if (!apriv->proc_entry)
4500 goto fail;
4501 apriv->proc_entry->uid = proc_uid;
4502 apriv->proc_entry->gid = proc_gid;
4504 /* Setup the StatsDelta */
4505 entry = proc_create_data("StatsDelta",
4506 S_IFREG | (S_IRUGO&proc_perm),
4507 apriv->proc_entry, &proc_statsdelta_ops, dev);
4508 if (!entry)
4509 goto fail_stats_delta;
4510 entry->uid = proc_uid;
4511 entry->gid = proc_gid;
4513 /* Setup the Stats */
4514 entry = proc_create_data("Stats",
4515 S_IFREG | (S_IRUGO&proc_perm),
4516 apriv->proc_entry, &proc_stats_ops, dev);
4517 if (!entry)
4518 goto fail_stats;
4519 entry->uid = proc_uid;
4520 entry->gid = proc_gid;
4522 /* Setup the Status */
4523 entry = proc_create_data("Status",
4524 S_IFREG | (S_IRUGO&proc_perm),
4525 apriv->proc_entry, &proc_status_ops, dev);
4526 if (!entry)
4527 goto fail_status;
4528 entry->uid = proc_uid;
4529 entry->gid = proc_gid;
4531 /* Setup the Config */
4532 entry = proc_create_data("Config",
4533 S_IFREG | proc_perm,
4534 apriv->proc_entry, &proc_config_ops, dev);
4535 if (!entry)
4536 goto fail_config;
4537 entry->uid = proc_uid;
4538 entry->gid = proc_gid;
4540 /* Setup the SSID */
4541 entry = proc_create_data("SSID",
4542 S_IFREG | proc_perm,
4543 apriv->proc_entry, &proc_SSID_ops, dev);
4544 if (!entry)
4545 goto fail_ssid;
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4549 /* Setup the APList */
4550 entry = proc_create_data("APList",
4551 S_IFREG | proc_perm,
4552 apriv->proc_entry, &proc_APList_ops, dev);
4553 if (!entry)
4554 goto fail_aplist;
4555 entry->uid = proc_uid;
4556 entry->gid = proc_gid;
4558 /* Setup the BSSList */
4559 entry = proc_create_data("BSSList",
4560 S_IFREG | proc_perm,
4561 apriv->proc_entry, &proc_BSSList_ops, dev);
4562 if (!entry)
4563 goto fail_bsslist;
4564 entry->uid = proc_uid;
4565 entry->gid = proc_gid;
4567 /* Setup the WepKey */
4568 entry = proc_create_data("WepKey",
4569 S_IFREG | proc_perm,
4570 apriv->proc_entry, &proc_wepkey_ops, dev);
4571 if (!entry)
4572 goto fail_wepkey;
4573 entry->uid = proc_uid;
4574 entry->gid = proc_gid;
4576 return 0;
4578 fail_wepkey:
4579 remove_proc_entry("BSSList", apriv->proc_entry);
4580 fail_bsslist:
4581 remove_proc_entry("APList", apriv->proc_entry);
4582 fail_aplist:
4583 remove_proc_entry("SSID", apriv->proc_entry);
4584 fail_ssid:
4585 remove_proc_entry("Config", apriv->proc_entry);
4586 fail_config:
4587 remove_proc_entry("Status", apriv->proc_entry);
4588 fail_status:
4589 remove_proc_entry("Stats", apriv->proc_entry);
4590 fail_stats:
4591 remove_proc_entry("StatsDelta", apriv->proc_entry);
4592 fail_stats_delta:
4593 remove_proc_entry(apriv->proc_name, airo_entry);
4594 fail:
4595 return -ENOMEM;
4598 static int takedown_proc_entry( struct net_device *dev,
4599 struct airo_info *apriv ) {
4600 if ( !apriv->proc_entry->namelen ) return 0;
4601 remove_proc_entry("Stats",apriv->proc_entry);
4602 remove_proc_entry("StatsDelta",apriv->proc_entry);
4603 remove_proc_entry("Status",apriv->proc_entry);
4604 remove_proc_entry("Config",apriv->proc_entry);
4605 remove_proc_entry("SSID",apriv->proc_entry);
4606 remove_proc_entry("APList",apriv->proc_entry);
4607 remove_proc_entry("BSSList",apriv->proc_entry);
4608 remove_proc_entry("WepKey",apriv->proc_entry);
4609 remove_proc_entry(apriv->proc_name,airo_entry);
4610 return 0;
4614 * What we want from the proc_fs is to be able to efficiently read
4615 * and write the configuration. To do this, we want to read the
4616 * configuration when the file is opened and write it when the file is
4617 * closed. So basically we allocate a read buffer at open and fill it
4618 * with data, and allocate a write buffer and read it at close.
4622 * The read routine is generic, it relies on the preallocated rbuffer
4623 * to supply the data.
4625 static ssize_t proc_read( struct file *file,
4626 char __user *buffer,
4627 size_t len,
4628 loff_t *offset )
4630 struct proc_data *priv = file->private_data;
4632 if (!priv->rbuffer)
4633 return -EINVAL;
4635 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
4636 priv->readlen);
4640 * The write routine is generic, it fills in a preallocated rbuffer
4641 * to supply the data.
4643 static ssize_t proc_write( struct file *file,
4644 const char __user *buffer,
4645 size_t len,
4646 loff_t *offset )
4648 loff_t pos = *offset;
4649 struct proc_data *priv = (struct proc_data*)file->private_data;
4651 if (!priv->wbuffer)
4652 return -EINVAL;
4654 if (pos < 0)
4655 return -EINVAL;
4656 if (pos >= priv->maxwritelen)
4657 return 0;
4658 if (len > priv->maxwritelen - pos)
4659 len = priv->maxwritelen - pos;
4660 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4661 return -EFAULT;
4662 if ( pos + len > priv->writelen )
4663 priv->writelen = len + file->f_pos;
4664 *offset = pos + len;
4665 return len;
4668 static int proc_status_open(struct inode *inode, struct file *file)
4670 struct proc_data *data;
4671 struct proc_dir_entry *dp = PDE(inode);
4672 struct net_device *dev = dp->data;
4673 struct airo_info *apriv = dev->ml_priv;
4674 CapabilityRid cap_rid;
4675 StatusRid status_rid;
4676 u16 mode;
4677 int i;
4679 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4680 return -ENOMEM;
4681 data = (struct proc_data *)file->private_data;
4682 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4683 kfree (file->private_data);
4684 return -ENOMEM;
4687 readStatusRid(apriv, &status_rid, 1);
4688 readCapabilityRid(apriv, &cap_rid, 1);
4690 mode = le16_to_cpu(status_rid.mode);
4692 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4693 mode & 1 ? "CFG ": "",
4694 mode & 2 ? "ACT ": "",
4695 mode & 0x10 ? "SYN ": "",
4696 mode & 0x20 ? "LNK ": "",
4697 mode & 0x40 ? "LEAP ": "",
4698 mode & 0x80 ? "PRIV ": "",
4699 mode & 0x100 ? "KEY ": "",
4700 mode & 0x200 ? "WEP ": "",
4701 mode & 0x8000 ? "ERR ": "");
4702 sprintf( data->rbuffer+i, "Mode: %x\n"
4703 "Signal Strength: %d\n"
4704 "Signal Quality: %d\n"
4705 "SSID: %-.*s\n"
4706 "AP: %-.16s\n"
4707 "Freq: %d\n"
4708 "BitRate: %dmbs\n"
4709 "Driver Version: %s\n"
4710 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4711 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4712 "Software Version: %x\nSoftware Subversion: %x\n"
4713 "Boot block version: %x\n",
4714 le16_to_cpu(status_rid.mode),
4715 le16_to_cpu(status_rid.normalizedSignalStrength),
4716 le16_to_cpu(status_rid.signalQuality),
4717 le16_to_cpu(status_rid.SSIDlen),
4718 status_rid.SSID,
4719 status_rid.apName,
4720 le16_to_cpu(status_rid.channel),
4721 le16_to_cpu(status_rid.currentXmitRate) / 2,
4722 version,
4723 cap_rid.prodName,
4724 cap_rid.manName,
4725 cap_rid.prodVer,
4726 le16_to_cpu(cap_rid.radioType),
4727 le16_to_cpu(cap_rid.country),
4728 le16_to_cpu(cap_rid.hardVer),
4729 le16_to_cpu(cap_rid.softVer),
4730 le16_to_cpu(cap_rid.softSubVer),
4731 le16_to_cpu(cap_rid.bootBlockVer));
4732 data->readlen = strlen( data->rbuffer );
4733 return 0;
4736 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4737 static int proc_statsdelta_open( struct inode *inode,
4738 struct file *file ) {
4739 if (file->f_mode&FMODE_WRITE) {
4740 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4742 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4745 static int proc_stats_open( struct inode *inode, struct file *file ) {
4746 return proc_stats_rid_open(inode, file, RID_STATS);
4749 static int proc_stats_rid_open( struct inode *inode,
4750 struct file *file,
4751 u16 rid )
4753 struct proc_data *data;
4754 struct proc_dir_entry *dp = PDE(inode);
4755 struct net_device *dev = dp->data;
4756 struct airo_info *apriv = dev->ml_priv;
4757 StatsRid stats;
4758 int i, j;
4759 __le32 *vals = stats.vals;
4760 int len;
4762 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4763 return -ENOMEM;
4764 data = (struct proc_data *)file->private_data;
4765 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4766 kfree (file->private_data);
4767 return -ENOMEM;
4770 readStatsRid(apriv, &stats, rid, 1);
4771 len = le16_to_cpu(stats.len);
4773 j = 0;
4774 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4775 if (!statsLabels[i]) continue;
4776 if (j+strlen(statsLabels[i])+16>4096) {
4777 airo_print_warn(apriv->dev->name,
4778 "Potentially disasterous buffer overflow averted!");
4779 break;
4781 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4782 le32_to_cpu(vals[i]));
4784 if (i*4 >= len) {
4785 airo_print_warn(apriv->dev->name, "Got a short rid");
4787 data->readlen = j;
4788 return 0;
4791 static int get_dec_u16( char *buffer, int *start, int limit ) {
4792 u16 value;
4793 int valid = 0;
4794 for (value = 0; *start < limit && buffer[*start] >= '0' &&
4795 buffer[*start] <= '9'; (*start)++) {
4796 valid = 1;
4797 value *= 10;
4798 value += buffer[*start] - '0';
4800 if ( !valid ) return -1;
4801 return value;
4804 static int airo_config_commit(struct net_device *dev,
4805 struct iw_request_info *info, void *zwrq,
4806 char *extra);
4808 static inline int sniffing_mode(struct airo_info *ai)
4810 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
4811 le16_to_cpu(RXMODE_RFMON);
4814 static void proc_config_on_close(struct inode *inode, struct file *file)
4816 struct proc_data *data = file->private_data;
4817 struct proc_dir_entry *dp = PDE(inode);
4818 struct net_device *dev = dp->data;
4819 struct airo_info *ai = dev->ml_priv;
4820 char *line;
4822 if ( !data->writelen ) return;
4824 readConfigRid(ai, 1);
4825 set_bit (FLAG_COMMIT, &ai->flags);
4827 line = data->wbuffer;
4828 while( line[0] ) {
4829 /*** Mode processing */
4830 if ( !strncmp( line, "Mode: ", 6 ) ) {
4831 line += 6;
4832 if (sniffing_mode(ai))
4833 set_bit (FLAG_RESET, &ai->flags);
4834 ai->config.rmode &= ~RXMODE_FULL_MASK;
4835 clear_bit (FLAG_802_11, &ai->flags);
4836 ai->config.opmode &= ~MODE_CFG_MASK;
4837 ai->config.scanMode = SCANMODE_ACTIVE;
4838 if ( line[0] == 'a' ) {
4839 ai->config.opmode |= MODE_STA_IBSS;
4840 } else {
4841 ai->config.opmode |= MODE_STA_ESS;
4842 if ( line[0] == 'r' ) {
4843 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4844 ai->config.scanMode = SCANMODE_PASSIVE;
4845 set_bit (FLAG_802_11, &ai->flags);
4846 } else if ( line[0] == 'y' ) {
4847 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4848 ai->config.scanMode = SCANMODE_PASSIVE;
4849 set_bit (FLAG_802_11, &ai->flags);
4850 } else if ( line[0] == 'l' )
4851 ai->config.rmode |= RXMODE_LANMON;
4853 set_bit (FLAG_COMMIT, &ai->flags);
4856 /*** Radio status */
4857 else if (!strncmp(line,"Radio: ", 7)) {
4858 line += 7;
4859 if (!strncmp(line,"off",3)) {
4860 set_bit (FLAG_RADIO_OFF, &ai->flags);
4861 } else {
4862 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4865 /*** NodeName processing */
4866 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4867 int j;
4869 line += 10;
4870 memset( ai->config.nodeName, 0, 16 );
4871 /* Do the name, assume a space between the mode and node name */
4872 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4873 ai->config.nodeName[j] = line[j];
4875 set_bit (FLAG_COMMIT, &ai->flags);
4878 /*** PowerMode processing */
4879 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4880 line += 11;
4881 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4882 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4883 set_bit (FLAG_COMMIT, &ai->flags);
4884 } else if ( !strncmp( line, "PSP", 3 ) ) {
4885 ai->config.powerSaveMode = POWERSAVE_PSP;
4886 set_bit (FLAG_COMMIT, &ai->flags);
4887 } else {
4888 ai->config.powerSaveMode = POWERSAVE_CAM;
4889 set_bit (FLAG_COMMIT, &ai->flags);
4891 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4892 int v, i = 0, k = 0; /* i is index into line,
4893 k is index to rates */
4895 line += 11;
4896 while((v = get_dec_u16(line, &i, 3))!=-1) {
4897 ai->config.rates[k++] = (u8)v;
4898 line += i + 1;
4899 i = 0;
4901 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4903 int v, i = 0;
4904 line += 9;
4905 v = get_dec_u16(line, &i, i+3);
4906 if ( v != -1 ) {
4907 ai->config.channelSet = cpu_to_le16(v);
4908 set_bit (FLAG_COMMIT, &ai->flags);
4910 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4911 int v, i = 0;
4912 line += 11;
4913 v = get_dec_u16(line, &i, i+3);
4914 if ( v != -1 ) {
4915 ai->config.txPower = cpu_to_le16(v);
4916 set_bit (FLAG_COMMIT, &ai->flags);
4918 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4919 line += 5;
4920 switch( line[0] ) {
4921 case 's':
4922 ai->config.authType = AUTH_SHAREDKEY;
4923 break;
4924 case 'e':
4925 ai->config.authType = AUTH_ENCRYPT;
4926 break;
4927 default:
4928 ai->config.authType = AUTH_OPEN;
4929 break;
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4933 int v, i = 0;
4935 line += 16;
4936 v = get_dec_u16(line, &i, 3);
4937 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4938 ai->config.longRetryLimit = cpu_to_le16(v);
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4941 int v, i = 0;
4943 line += 17;
4944 v = get_dec_u16(line, &i, 3);
4945 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4946 ai->config.shortRetryLimit = cpu_to_le16(v);
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4949 int v, i = 0;
4951 line += 14;
4952 v = get_dec_u16(line, &i, 4);
4953 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4954 ai->config.rtsThres = cpu_to_le16(v);
4955 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4957 int v, i = 0;
4959 line += 16;
4960 v = get_dec_u16(line, &i, 5);
4961 v = (v<0) ? 0 : v;
4962 ai->config.txLifetime = cpu_to_le16(v);
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4965 int v, i = 0;
4967 line += 16;
4968 v = get_dec_u16(line, &i, 5);
4969 v = (v<0) ? 0 : v;
4970 ai->config.rxLifetime = cpu_to_le16(v);
4971 set_bit (FLAG_COMMIT, &ai->flags);
4972 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4973 ai->config.txDiversity =
4974 (line[13]=='l') ? 1 :
4975 ((line[13]=='r')? 2: 3);
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4978 ai->config.rxDiversity =
4979 (line[13]=='l') ? 1 :
4980 ((line[13]=='r')? 2: 3);
4981 set_bit (FLAG_COMMIT, &ai->flags);
4982 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4983 int v, i = 0;
4985 line += 15;
4986 v = get_dec_u16(line, &i, 4);
4987 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4988 v = v & 0xfffe; /* Make sure its even */
4989 ai->config.fragThresh = cpu_to_le16(v);
4990 set_bit (FLAG_COMMIT, &ai->flags);
4991 } else if (!strncmp(line, "Modulation: ", 12)) {
4992 line += 12;
4993 switch(*line) {
4994 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4995 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4999 } else if (!strncmp(line, "Preamble: ", 10)) {
5000 line += 10;
5001 switch(*line) {
5002 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5003 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5004 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5005 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5007 } else {
5008 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5010 while( line[0] && line[0] != '\n' ) line++;
5011 if ( line[0] ) line++;
5013 airo_config_commit(dev, NULL, NULL, NULL);
5016 static char *get_rmode(__le16 mode)
5018 switch(mode & RXMODE_MASK) {
5019 case RXMODE_RFMON: return "rfmon";
5020 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5021 case RXMODE_LANMON: return "lanmon";
5023 return "ESS";
5026 static int proc_config_open(struct inode *inode, struct file *file)
5028 struct proc_data *data;
5029 struct proc_dir_entry *dp = PDE(inode);
5030 struct net_device *dev = dp->data;
5031 struct airo_info *ai = dev->ml_priv;
5032 int i;
5033 __le16 mode;
5035 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5036 return -ENOMEM;
5037 data = (struct proc_data *)file->private_data;
5038 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5039 kfree (file->private_data);
5040 return -ENOMEM;
5042 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5043 kfree (data->rbuffer);
5044 kfree (file->private_data);
5045 return -ENOMEM;
5047 data->maxwritelen = 2048;
5048 data->on_close = proc_config_on_close;
5050 readConfigRid(ai, 1);
5052 mode = ai->config.opmode & MODE_CFG_MASK;
5053 i = sprintf( data->rbuffer,
5054 "Mode: %s\n"
5055 "Radio: %s\n"
5056 "NodeName: %-16s\n"
5057 "PowerMode: %s\n"
5058 "DataRates: %d %d %d %d %d %d %d %d\n"
5059 "Channel: %d\n"
5060 "XmitPower: %d\n",
5061 mode == MODE_STA_IBSS ? "adhoc" :
5062 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode):
5063 mode == MODE_AP ? "AP" :
5064 mode == MODE_AP_RPTR ? "AP RPTR" : "Error",
5065 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5066 ai->config.nodeName,
5067 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" :
5068 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" :
5069 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" :
5070 "Error",
5071 (int)ai->config.rates[0],
5072 (int)ai->config.rates[1],
5073 (int)ai->config.rates[2],
5074 (int)ai->config.rates[3],
5075 (int)ai->config.rates[4],
5076 (int)ai->config.rates[5],
5077 (int)ai->config.rates[6],
5078 (int)ai->config.rates[7],
5079 le16_to_cpu(ai->config.channelSet),
5080 le16_to_cpu(ai->config.txPower)
5082 sprintf( data->rbuffer + i,
5083 "LongRetryLimit: %d\n"
5084 "ShortRetryLimit: %d\n"
5085 "RTSThreshold: %d\n"
5086 "TXMSDULifetime: %d\n"
5087 "RXMSDULifetime: %d\n"
5088 "TXDiversity: %s\n"
5089 "RXDiversity: %s\n"
5090 "FragThreshold: %d\n"
5091 "WEP: %s\n"
5092 "Modulation: %s\n"
5093 "Preamble: %s\n",
5094 le16_to_cpu(ai->config.longRetryLimit),
5095 le16_to_cpu(ai->config.shortRetryLimit),
5096 le16_to_cpu(ai->config.rtsThres),
5097 le16_to_cpu(ai->config.txLifetime),
5098 le16_to_cpu(ai->config.rxLifetime),
5099 ai->config.txDiversity == 1 ? "left" :
5100 ai->config.txDiversity == 2 ? "right" : "both",
5101 ai->config.rxDiversity == 1 ? "left" :
5102 ai->config.rxDiversity == 2 ? "right" : "both",
5103 le16_to_cpu(ai->config.fragThresh),
5104 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5105 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5106 ai->config.modulation == MOD_DEFAULT ? "default" :
5107 ai->config.modulation == MOD_CCK ? "cck" :
5108 ai->config.modulation == MOD_MOK ? "mok" : "error",
5109 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5110 ai->config.preamble == PREAMBLE_LONG ? "long" :
5111 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5113 data->readlen = strlen( data->rbuffer );
5114 return 0;
5117 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5119 struct proc_data *data = (struct proc_data *)file->private_data;
5120 struct proc_dir_entry *dp = PDE(inode);
5121 struct net_device *dev = dp->data;
5122 struct airo_info *ai = dev->ml_priv;
5123 SsidRid SSID_rid;
5124 int i;
5125 char *p = data->wbuffer;
5126 char *end = p + data->writelen;
5128 if (!data->writelen)
5129 return;
5131 *end = '\n'; /* sentinel; we have space for it */
5133 memset(&SSID_rid, 0, sizeof(SSID_rid));
5135 for (i = 0; i < 3 && p < end; i++) {
5136 int j = 0;
5137 /* copy up to 32 characters from this line */
5138 while (*p != '\n' && j < 32)
5139 SSID_rid.ssids[i].ssid[j++] = *p++;
5140 if (j == 0)
5141 break;
5142 SSID_rid.ssids[i].len = cpu_to_le16(j);
5143 /* skip to the beginning of the next line */
5144 while (*p++ != '\n')
5147 if (i)
5148 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5149 disable_MAC(ai, 1);
5150 writeSsidRid(ai, &SSID_rid, 1);
5151 enable_MAC(ai, 1);
5154 static inline u8 hexVal(char c) {
5155 if (c>='0' && c<='9') return c -= '0';
5156 if (c>='a' && c<='f') return c -= 'a'-10;
5157 if (c>='A' && c<='F') return c -= 'A'-10;
5158 return 0;
5161 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5162 struct proc_data *data = (struct proc_data *)file->private_data;
5163 struct proc_dir_entry *dp = PDE(inode);
5164 struct net_device *dev = dp->data;
5165 struct airo_info *ai = dev->ml_priv;
5166 APListRid APList_rid;
5167 int i;
5169 if ( !data->writelen ) return;
5171 memset( &APList_rid, 0, sizeof(APList_rid) );
5172 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5174 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5175 int j;
5176 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5177 switch(j%3) {
5178 case 0:
5179 APList_rid.ap[i][j/3]=
5180 hexVal(data->wbuffer[j+i*6*3])<<4;
5181 break;
5182 case 1:
5183 APList_rid.ap[i][j/3]|=
5184 hexVal(data->wbuffer[j+i*6*3]);
5185 break;
5189 disable_MAC(ai, 1);
5190 writeAPListRid(ai, &APList_rid, 1);
5191 enable_MAC(ai, 1);
5194 /* This function wraps PC4500_writerid with a MAC disable */
5195 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5196 int len, int dummy ) {
5197 int rc;
5199 disable_MAC(ai, 1);
5200 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5201 enable_MAC(ai, 1);
5202 return rc;
5205 /* Returns the WEP key at the specified index, or -1 if that key does
5206 * not exist. The buffer is assumed to be at least 16 bytes in length.
5208 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen)
5210 WepKeyRid wkr;
5211 int rc;
5212 __le16 lastindex;
5214 rc = readWepKeyRid(ai, &wkr, 1, 1);
5215 if (rc != SUCCESS)
5216 return -1;
5217 do {
5218 lastindex = wkr.kindex;
5219 if (le16_to_cpu(wkr.kindex) == index) {
5220 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen));
5221 memcpy(buf, wkr.key, klen);
5222 return klen;
5224 rc = readWepKeyRid(ai, &wkr, 0, 1);
5225 if (rc != SUCCESS)
5226 return -1;
5227 } while (lastindex != wkr.kindex);
5228 return -1;
5231 static int get_wep_tx_idx(struct airo_info *ai)
5233 WepKeyRid wkr;
5234 int rc;
5235 __le16 lastindex;
5237 rc = readWepKeyRid(ai, &wkr, 1, 1);
5238 if (rc != SUCCESS)
5239 return -1;
5240 do {
5241 lastindex = wkr.kindex;
5242 if (wkr.kindex == cpu_to_le16(0xffff))
5243 return wkr.mac[0];
5244 rc = readWepKeyRid(ai, &wkr, 0, 1);
5245 if (rc != SUCCESS)
5246 return -1;
5247 } while (lastindex != wkr.kindex);
5248 return -1;
5251 static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
5252 u16 keylen, int perm, int lock)
5254 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5255 WepKeyRid wkr;
5256 int rc;
5258 WARN_ON(keylen == 0);
5260 memset(&wkr, 0, sizeof(wkr));
5261 wkr.len = cpu_to_le16(sizeof(wkr));
5262 wkr.kindex = cpu_to_le16(index);
5263 wkr.klen = cpu_to_le16(keylen);
5264 memcpy(wkr.key, key, keylen);
5265 memcpy(wkr.mac, macaddr, ETH_ALEN);
5267 if (perm) disable_MAC(ai, lock);
5268 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5269 if (perm) enable_MAC(ai, lock);
5270 return rc;
5273 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock)
5275 WepKeyRid wkr;
5276 int rc;
5278 memset(&wkr, 0, sizeof(wkr));
5279 wkr.len = cpu_to_le16(sizeof(wkr));
5280 wkr.kindex = cpu_to_le16(0xffff);
5281 wkr.mac[0] = (char)index;
5283 if (perm) {
5284 ai->defindex = (char)index;
5285 disable_MAC(ai, lock);
5288 rc = writeWepKeyRid(ai, &wkr, perm, lock);
5290 if (perm)
5291 enable_MAC(ai, lock);
5292 return rc;
5295 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5296 struct proc_data *data;
5297 struct proc_dir_entry *dp = PDE(inode);
5298 struct net_device *dev = dp->data;
5299 struct airo_info *ai = dev->ml_priv;
5300 int i, rc;
5301 char key[16];
5302 u16 index = 0;
5303 int j = 0;
5305 memset(key, 0, sizeof(key));
5307 data = (struct proc_data *)file->private_data;
5308 if ( !data->writelen ) return;
5310 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5311 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5312 index = data->wbuffer[0] - '0';
5313 if (data->wbuffer[1] == '\n') {
5314 rc = set_wep_tx_idx(ai, index, 1, 1);
5315 if (rc < 0) {
5316 airo_print_err(ai->dev->name, "failed to set "
5317 "WEP transmit index to %d: %d.",
5318 index, rc);
5320 return;
5322 j = 2;
5323 } else {
5324 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5325 return;
5328 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5329 switch(i%3) {
5330 case 0:
5331 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5332 break;
5333 case 1:
5334 key[i/3] |= hexVal(data->wbuffer[i+j]);
5335 break;
5339 rc = set_wep_key(ai, index, key, i/3, 1, 1);
5340 if (rc < 0) {
5341 airo_print_err(ai->dev->name, "failed to set WEP key at index "
5342 "%d: %d.", index, rc);
5346 static int proc_wepkey_open( struct inode *inode, struct file *file )
5348 struct proc_data *data;
5349 struct proc_dir_entry *dp = PDE(inode);
5350 struct net_device *dev = dp->data;
5351 struct airo_info *ai = dev->ml_priv;
5352 char *ptr;
5353 WepKeyRid wkr;
5354 __le16 lastindex;
5355 int j=0;
5356 int rc;
5358 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5359 return -ENOMEM;
5360 memset(&wkr, 0, sizeof(wkr));
5361 data = (struct proc_data *)file->private_data;
5362 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5363 kfree (file->private_data);
5364 return -ENOMEM;
5366 data->writelen = 0;
5367 data->maxwritelen = 80;
5368 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5369 kfree (data->rbuffer);
5370 kfree (file->private_data);
5371 return -ENOMEM;
5373 data->on_close = proc_wepkey_on_close;
5375 ptr = data->rbuffer;
5376 strcpy(ptr, "No wep keys\n");
5377 rc = readWepKeyRid(ai, &wkr, 1, 1);
5378 if (rc == SUCCESS) do {
5379 lastindex = wkr.kindex;
5380 if (wkr.kindex == cpu_to_le16(0xffff)) {
5381 j += sprintf(ptr+j, "Tx key = %d\n",
5382 (int)wkr.mac[0]);
5383 } else {
5384 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5385 le16_to_cpu(wkr.kindex),
5386 le16_to_cpu(wkr.klen));
5388 readWepKeyRid(ai, &wkr, 0, 1);
5389 } while((lastindex != wkr.kindex) && (j < 180-30));
5391 data->readlen = strlen( data->rbuffer );
5392 return 0;
5395 static int proc_SSID_open(struct inode *inode, struct file *file)
5397 struct proc_data *data;
5398 struct proc_dir_entry *dp = PDE(inode);
5399 struct net_device *dev = dp->data;
5400 struct airo_info *ai = dev->ml_priv;
5401 int i;
5402 char *ptr;
5403 SsidRid SSID_rid;
5405 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5406 return -ENOMEM;
5407 data = (struct proc_data *)file->private_data;
5408 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5409 kfree (file->private_data);
5410 return -ENOMEM;
5412 data->writelen = 0;
5413 data->maxwritelen = 33*3;
5414 /* allocate maxwritelen + 1; we'll want a sentinel */
5415 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5416 kfree (data->rbuffer);
5417 kfree (file->private_data);
5418 return -ENOMEM;
5420 data->on_close = proc_SSID_on_close;
5422 readSsidRid(ai, &SSID_rid);
5423 ptr = data->rbuffer;
5424 for (i = 0; i < 3; i++) {
5425 int j;
5426 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5427 if (!len)
5428 break;
5429 if (len > 32)
5430 len = 32;
5431 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5432 *ptr++ = SSID_rid.ssids[i].ssid[j];
5433 *ptr++ = '\n';
5435 *ptr = '\0';
5436 data->readlen = strlen( data->rbuffer );
5437 return 0;
5440 static int proc_APList_open( struct inode *inode, struct file *file ) {
5441 struct proc_data *data;
5442 struct proc_dir_entry *dp = PDE(inode);
5443 struct net_device *dev = dp->data;
5444 struct airo_info *ai = dev->ml_priv;
5445 int i;
5446 char *ptr;
5447 APListRid APList_rid;
5449 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5450 return -ENOMEM;
5451 data = (struct proc_data *)file->private_data;
5452 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5453 kfree (file->private_data);
5454 return -ENOMEM;
5456 data->writelen = 0;
5457 data->maxwritelen = 4*6*3;
5458 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5459 kfree (data->rbuffer);
5460 kfree (file->private_data);
5461 return -ENOMEM;
5463 data->on_close = proc_APList_on_close;
5465 readAPListRid(ai, &APList_rid);
5466 ptr = data->rbuffer;
5467 for( i = 0; i < 4; i++ ) {
5468 // We end when we find a zero MAC
5469 if ( !*(int*)APList_rid.ap[i] &&
5470 !*(int*)&APList_rid.ap[i][2]) break;
5471 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]);
5473 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5475 *ptr = '\0';
5476 data->readlen = strlen( data->rbuffer );
5477 return 0;
5480 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5481 struct proc_data *data;
5482 struct proc_dir_entry *dp = PDE(inode);
5483 struct net_device *dev = dp->data;
5484 struct airo_info *ai = dev->ml_priv;
5485 char *ptr;
5486 BSSListRid BSSList_rid;
5487 int rc;
5488 /* If doLoseSync is not 1, we won't do a Lose Sync */
5489 int doLoseSync = -1;
5491 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5492 return -ENOMEM;
5493 data = (struct proc_data *)file->private_data;
5494 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5495 kfree (file->private_data);
5496 return -ENOMEM;
5498 data->writelen = 0;
5499 data->maxwritelen = 0;
5500 data->wbuffer = NULL;
5501 data->on_close = NULL;
5503 if (file->f_mode & FMODE_WRITE) {
5504 if (!(file->f_mode & FMODE_READ)) {
5505 Cmd cmd;
5506 Resp rsp;
5508 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5509 memset(&cmd, 0, sizeof(cmd));
5510 cmd.cmd=CMD_LISTBSS;
5511 if (down_interruptible(&ai->sem))
5512 return -ERESTARTSYS;
5513 issuecommand(ai, &cmd, &rsp);
5514 up(&ai->sem);
5515 data->readlen = 0;
5516 return 0;
5518 doLoseSync = 1;
5520 ptr = data->rbuffer;
5521 /* There is a race condition here if there are concurrent opens.
5522 Since it is a rare condition, we'll just live with it, otherwise
5523 we have to add a spin lock... */
5524 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5525 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5526 ptr += sprintf(ptr, "%pM %*s rssi = %d",
5527 BSSList_rid.bssid,
5528 (int)BSSList_rid.ssidLen,
5529 BSSList_rid.ssid,
5530 le16_to_cpu(BSSList_rid.dBm));
5531 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5532 le16_to_cpu(BSSList_rid.dsChannel),
5533 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5534 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5535 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5536 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5537 rc = readBSSListRid(ai, 0, &BSSList_rid);
5539 *ptr = '\0';
5540 data->readlen = strlen( data->rbuffer );
5541 return 0;
5544 static int proc_close( struct inode *inode, struct file *file )
5546 struct proc_data *data = file->private_data;
5548 if (data->on_close != NULL)
5549 data->on_close(inode, file);
5550 kfree(data->rbuffer);
5551 kfree(data->wbuffer);
5552 kfree(data);
5553 return 0;
5556 /* Since the card doesn't automatically switch to the right WEP mode,
5557 we will make it do it. If the card isn't associated, every secs we
5558 will switch WEP modes to see if that will help. If the card is
5559 associated we will check every minute to see if anything has
5560 changed. */
5561 static void timer_func( struct net_device *dev ) {
5562 struct airo_info *apriv = dev->ml_priv;
5564 /* We don't have a link so try changing the authtype */
5565 readConfigRid(apriv, 0);
5566 disable_MAC(apriv, 0);
5567 switch(apriv->config.authType) {
5568 case AUTH_ENCRYPT:
5569 /* So drop to OPEN */
5570 apriv->config.authType = AUTH_OPEN;
5571 break;
5572 case AUTH_SHAREDKEY:
5573 if (apriv->keyindex < auto_wep) {
5574 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0);
5575 apriv->config.authType = AUTH_SHAREDKEY;
5576 apriv->keyindex++;
5577 } else {
5578 /* Drop to ENCRYPT */
5579 apriv->keyindex = 0;
5580 set_wep_tx_idx(apriv, apriv->defindex, 0, 0);
5581 apriv->config.authType = AUTH_ENCRYPT;
5583 break;
5584 default: /* We'll escalate to SHAREDKEY */
5585 apriv->config.authType = AUTH_SHAREDKEY;
5587 set_bit (FLAG_COMMIT, &apriv->flags);
5588 writeConfigRid(apriv, 0);
5589 enable_MAC(apriv, 0);
5590 up(&apriv->sem);
5592 /* Schedule check to see if the change worked */
5593 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5594 apriv->expires = RUN_AT(HZ*3);
5597 #ifdef CONFIG_PCI
5598 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5599 const struct pci_device_id *pent)
5601 struct net_device *dev;
5603 if (pci_enable_device(pdev))
5604 return -ENODEV;
5605 pci_set_master(pdev);
5607 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5608 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5609 else
5610 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5611 if (!dev) {
5612 pci_disable_device(pdev);
5613 return -ENODEV;
5616 pci_set_drvdata(pdev, dev);
5617 return 0;
5620 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5622 struct net_device *dev = pci_get_drvdata(pdev);
5624 airo_print_info(dev->name, "Unregistering...");
5625 stop_airo_card(dev, 1);
5626 pci_disable_device(pdev);
5627 pci_set_drvdata(pdev, NULL);
5630 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5632 struct net_device *dev = pci_get_drvdata(pdev);
5633 struct airo_info *ai = dev->ml_priv;
5634 Cmd cmd;
5635 Resp rsp;
5637 if (!ai->APList)
5638 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL);
5639 if (!ai->APList)
5640 return -ENOMEM;
5641 if (!ai->SSID)
5642 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL);
5643 if (!ai->SSID)
5644 return -ENOMEM;
5645 readAPListRid(ai, ai->APList);
5646 readSsidRid(ai, ai->SSID);
5647 memset(&cmd, 0, sizeof(cmd));
5648 /* the lock will be released at the end of the resume callback */
5649 if (down_interruptible(&ai->sem))
5650 return -EAGAIN;
5651 disable_MAC(ai, 0);
5652 netif_device_detach(dev);
5653 ai->power = state;
5654 cmd.cmd = HOSTSLEEP;
5655 issuecommand(ai, &cmd, &rsp);
5657 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5658 pci_save_state(pdev);
5659 pci_set_power_state(pdev, pci_choose_state(pdev, state));
5660 return 0;
5663 static int airo_pci_resume(struct pci_dev *pdev)
5665 struct net_device *dev = pci_get_drvdata(pdev);
5666 struct airo_info *ai = dev->ml_priv;
5667 pci_power_t prev_state = pdev->current_state;
5669 pci_set_power_state(pdev, PCI_D0);
5670 pci_restore_state(pdev);
5671 pci_enable_wake(pdev, PCI_D0, 0);
5673 if (prev_state != PCI_D1) {
5674 reset_card(dev, 0);
5675 mpi_init_descriptors(ai);
5676 setup_card(ai, dev->dev_addr, 0);
5677 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5678 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5679 } else {
5680 OUT4500(ai, EVACK, EV_AWAKEN);
5681 OUT4500(ai, EVACK, EV_AWAKEN);
5682 msleep(100);
5685 set_bit(FLAG_COMMIT, &ai->flags);
5686 disable_MAC(ai, 0);
5687 msleep(200);
5688 if (ai->SSID) {
5689 writeSsidRid(ai, ai->SSID, 0);
5690 kfree(ai->SSID);
5691 ai->SSID = NULL;
5693 if (ai->APList) {
5694 writeAPListRid(ai, ai->APList, 0);
5695 kfree(ai->APList);
5696 ai->APList = NULL;
5698 writeConfigRid(ai, 0);
5699 enable_MAC(ai, 0);
5700 ai->power = PMSG_ON;
5701 netif_device_attach(dev);
5702 netif_wake_queue(dev);
5703 enable_interrupts(ai);
5704 up(&ai->sem);
5705 return 0;
5707 #endif
5709 static int __init airo_init_module( void )
5711 int i;
5713 airo_entry = create_proc_entry("driver/aironet",
5714 S_IFDIR | airo_perm,
5715 NULL);
5717 if (airo_entry) {
5718 airo_entry->uid = proc_uid;
5719 airo_entry->gid = proc_gid;
5722 for (i = 0; i < 4 && io[i] && irq[i]; i++) {
5723 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5724 "io=0x%x", irq[i], io[i] );
5725 if (init_airo_card( irq[i], io[i], 0, NULL ))
5726 /* do nothing */ ;
5729 #ifdef CONFIG_PCI
5730 airo_print_info("", "Probing for PCI adapters");
5731 i = pci_register_driver(&airo_driver);
5732 airo_print_info("", "Finished probing for PCI adapters");
5734 if (i) {
5735 remove_proc_entry("driver/aironet", NULL);
5736 return i;
5738 #endif
5740 /* Always exit with success, as we are a library module
5741 * as well as a driver module
5743 return 0;
5746 static void __exit airo_cleanup_module( void )
5748 struct airo_info *ai;
5749 while(!list_empty(&airo_devices)) {
5750 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5751 airo_print_info(ai->dev->name, "Unregistering...");
5752 stop_airo_card(ai->dev, 1);
5754 #ifdef CONFIG_PCI
5755 pci_unregister_driver(&airo_driver);
5756 #endif
5757 remove_proc_entry("driver/aironet", NULL);
5761 * Initial Wireless Extension code for Aironet driver by :
5762 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5763 * Conversion to new driver API by :
5764 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5765 * Javier also did a good amount of work here, adding some new extensions
5766 * and fixing my code. Let's just say that without him this code just
5767 * would not work at all... - Jean II
5770 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5772 if (!rssi_rid)
5773 return 0;
5775 return (0x100 - rssi_rid[rssi].rssidBm);
5778 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5780 int i;
5782 if (!rssi_rid)
5783 return 0;
5785 for (i = 0; i < 256; i++)
5786 if (rssi_rid[i].rssidBm == dbm)
5787 return rssi_rid[i].rssipct;
5789 return 0;
5793 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5795 int quality = 0;
5796 u16 sq;
5798 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f))
5799 return 0;
5801 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5802 return 0;
5804 sq = le16_to_cpu(status_rid->signalQuality);
5805 if (memcmp(cap_rid->prodName, "350", 3))
5806 if (sq > 0x20)
5807 quality = 0;
5808 else
5809 quality = 0x20 - sq;
5810 else
5811 if (sq > 0xb0)
5812 quality = 0;
5813 else if (sq < 0x10)
5814 quality = 0xa0;
5815 else
5816 quality = 0xb0 - sq;
5817 return quality;
5820 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5821 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5823 /*------------------------------------------------------------------*/
5825 * Wireless Handler : get protocol name
5827 static int airo_get_name(struct net_device *dev,
5828 struct iw_request_info *info,
5829 char *cwrq,
5830 char *extra)
5832 strcpy(cwrq, "IEEE 802.11-DS");
5833 return 0;
5836 /*------------------------------------------------------------------*/
5838 * Wireless Handler : set frequency
5840 static int airo_set_freq(struct net_device *dev,
5841 struct iw_request_info *info,
5842 struct iw_freq *fwrq,
5843 char *extra)
5845 struct airo_info *local = dev->ml_priv;
5846 int rc = -EINPROGRESS; /* Call commit handler */
5848 /* If setting by frequency, convert to a channel */
5849 if(fwrq->e == 1) {
5850 int f = fwrq->m / 100000;
5852 /* Hack to fall through... */
5853 fwrq->e = 0;
5854 fwrq->m = ieee80211_freq_to_dsss_chan(f);
5856 /* Setting by channel number */
5857 if((fwrq->m > 1000) || (fwrq->e > 0))
5858 rc = -EOPNOTSUPP;
5859 else {
5860 int channel = fwrq->m;
5861 /* We should do a better check than that,
5862 * based on the card capability !!! */
5863 if((channel < 1) || (channel > 14)) {
5864 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5865 fwrq->m);
5866 rc = -EINVAL;
5867 } else {
5868 readConfigRid(local, 1);
5869 /* Yes ! We can set it !!! */
5870 local->config.channelSet = cpu_to_le16(channel);
5871 set_bit (FLAG_COMMIT, &local->flags);
5874 return rc;
5877 /*------------------------------------------------------------------*/
5879 * Wireless Handler : get frequency
5881 static int airo_get_freq(struct net_device *dev,
5882 struct iw_request_info *info,
5883 struct iw_freq *fwrq,
5884 char *extra)
5886 struct airo_info *local = dev->ml_priv;
5887 StatusRid status_rid; /* Card status info */
5888 int ch;
5890 readConfigRid(local, 1);
5891 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS)
5892 status_rid.channel = local->config.channelSet;
5893 else
5894 readStatusRid(local, &status_rid, 1);
5896 ch = le16_to_cpu(status_rid.channel);
5897 if((ch > 0) && (ch < 15)) {
5898 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000;
5899 fwrq->e = 1;
5900 } else {
5901 fwrq->m = ch;
5902 fwrq->e = 0;
5905 return 0;
5908 /*------------------------------------------------------------------*/
5910 * Wireless Handler : set ESSID
5912 static int airo_set_essid(struct net_device *dev,
5913 struct iw_request_info *info,
5914 struct iw_point *dwrq,
5915 char *extra)
5917 struct airo_info *local = dev->ml_priv;
5918 SsidRid SSID_rid; /* SSIDs */
5920 /* Reload the list of current SSID */
5921 readSsidRid(local, &SSID_rid);
5923 /* Check if we asked for `any' */
5924 if (dwrq->flags == 0) {
5925 /* Just send an empty SSID list */
5926 memset(&SSID_rid, 0, sizeof(SSID_rid));
5927 } else {
5928 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5930 /* Check the size of the string */
5931 if (dwrq->length > IW_ESSID_MAX_SIZE)
5932 return -E2BIG ;
5934 /* Check if index is valid */
5935 if (index >= ARRAY_SIZE(SSID_rid.ssids))
5936 return -EINVAL;
5938 /* Set the SSID */
5939 memset(SSID_rid.ssids[index].ssid, 0,
5940 sizeof(SSID_rid.ssids[index].ssid));
5941 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5942 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5944 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5945 /* Write it to the card */
5946 disable_MAC(local, 1);
5947 writeSsidRid(local, &SSID_rid, 1);
5948 enable_MAC(local, 1);
5950 return 0;
5953 /*------------------------------------------------------------------*/
5955 * Wireless Handler : get ESSID
5957 static int airo_get_essid(struct net_device *dev,
5958 struct iw_request_info *info,
5959 struct iw_point *dwrq,
5960 char *extra)
5962 struct airo_info *local = dev->ml_priv;
5963 StatusRid status_rid; /* Card status info */
5965 readStatusRid(local, &status_rid, 1);
5967 /* Note : if dwrq->flags != 0, we should
5968 * get the relevant SSID from the SSID list... */
5970 /* Get the current SSID */
5971 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen));
5972 /* If none, we may want to get the one that was set */
5974 /* Push it out ! */
5975 dwrq->length = le16_to_cpu(status_rid.SSIDlen);
5976 dwrq->flags = 1; /* active */
5978 return 0;
5981 /*------------------------------------------------------------------*/
5983 * Wireless Handler : set AP address
5985 static int airo_set_wap(struct net_device *dev,
5986 struct iw_request_info *info,
5987 struct sockaddr *awrq,
5988 char *extra)
5990 struct airo_info *local = dev->ml_priv;
5991 Cmd cmd;
5992 Resp rsp;
5993 APListRid APList_rid;
5994 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5995 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5997 if (awrq->sa_family != ARPHRD_ETHER)
5998 return -EINVAL;
5999 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6000 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6001 memset(&cmd, 0, sizeof(cmd));
6002 cmd.cmd=CMD_LOSE_SYNC;
6003 if (down_interruptible(&local->sem))
6004 return -ERESTARTSYS;
6005 issuecommand(local, &cmd, &rsp);
6006 up(&local->sem);
6007 } else {
6008 memset(&APList_rid, 0, sizeof(APList_rid));
6009 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
6010 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6011 disable_MAC(local, 1);
6012 writeAPListRid(local, &APList_rid, 1);
6013 enable_MAC(local, 1);
6015 return 0;
6018 /*------------------------------------------------------------------*/
6020 * Wireless Handler : get AP address
6022 static int airo_get_wap(struct net_device *dev,
6023 struct iw_request_info *info,
6024 struct sockaddr *awrq,
6025 char *extra)
6027 struct airo_info *local = dev->ml_priv;
6028 StatusRid status_rid; /* Card status info */
6030 readStatusRid(local, &status_rid, 1);
6032 /* Tentative. This seems to work, wow, I'm lucky !!! */
6033 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6034 awrq->sa_family = ARPHRD_ETHER;
6036 return 0;
6039 /*------------------------------------------------------------------*/
6041 * Wireless Handler : set Nickname
6043 static int airo_set_nick(struct net_device *dev,
6044 struct iw_request_info *info,
6045 struct iw_point *dwrq,
6046 char *extra)
6048 struct airo_info *local = dev->ml_priv;
6050 /* Check the size of the string */
6051 if(dwrq->length > 16) {
6052 return -E2BIG;
6054 readConfigRid(local, 1);
6055 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6056 memcpy(local->config.nodeName, extra, dwrq->length);
6057 set_bit (FLAG_COMMIT, &local->flags);
6059 return -EINPROGRESS; /* Call commit handler */
6062 /*------------------------------------------------------------------*/
6064 * Wireless Handler : get Nickname
6066 static int airo_get_nick(struct net_device *dev,
6067 struct iw_request_info *info,
6068 struct iw_point *dwrq,
6069 char *extra)
6071 struct airo_info *local = dev->ml_priv;
6073 readConfigRid(local, 1);
6074 strncpy(extra, local->config.nodeName, 16);
6075 extra[16] = '\0';
6076 dwrq->length = strlen(extra);
6078 return 0;
6081 /*------------------------------------------------------------------*/
6083 * Wireless Handler : set Bit-Rate
6085 static int airo_set_rate(struct net_device *dev,
6086 struct iw_request_info *info,
6087 struct iw_param *vwrq,
6088 char *extra)
6090 struct airo_info *local = dev->ml_priv;
6091 CapabilityRid cap_rid; /* Card capability info */
6092 u8 brate = 0;
6093 int i;
6095 /* First : get a valid bit rate value */
6096 readCapabilityRid(local, &cap_rid, 1);
6098 /* Which type of value ? */
6099 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6100 /* Setting by rate index */
6101 /* Find value in the magic rate table */
6102 brate = cap_rid.supportedRates[vwrq->value];
6103 } else {
6104 /* Setting by frequency value */
6105 u8 normvalue = (u8) (vwrq->value/500000);
6107 /* Check if rate is valid */
6108 for(i = 0 ; i < 8 ; i++) {
6109 if(normvalue == cap_rid.supportedRates[i]) {
6110 brate = normvalue;
6111 break;
6115 /* -1 designed the max rate (mostly auto mode) */
6116 if(vwrq->value == -1) {
6117 /* Get the highest available rate */
6118 for(i = 0 ; i < 8 ; i++) {
6119 if(cap_rid.supportedRates[i] == 0)
6120 break;
6122 if(i != 0)
6123 brate = cap_rid.supportedRates[i - 1];
6125 /* Check that it is valid */
6126 if(brate == 0) {
6127 return -EINVAL;
6130 readConfigRid(local, 1);
6131 /* Now, check if we want a fixed or auto value */
6132 if(vwrq->fixed == 0) {
6133 /* Fill all the rates up to this max rate */
6134 memset(local->config.rates, 0, 8);
6135 for(i = 0 ; i < 8 ; i++) {
6136 local->config.rates[i] = cap_rid.supportedRates[i];
6137 if(local->config.rates[i] == brate)
6138 break;
6140 } else {
6141 /* Fixed mode */
6142 /* One rate, fixed */
6143 memset(local->config.rates, 0, 8);
6144 local->config.rates[0] = brate;
6146 set_bit (FLAG_COMMIT, &local->flags);
6148 return -EINPROGRESS; /* Call commit handler */
6151 /*------------------------------------------------------------------*/
6153 * Wireless Handler : get Bit-Rate
6155 static int airo_get_rate(struct net_device *dev,
6156 struct iw_request_info *info,
6157 struct iw_param *vwrq,
6158 char *extra)
6160 struct airo_info *local = dev->ml_priv;
6161 StatusRid status_rid; /* Card status info */
6163 readStatusRid(local, &status_rid, 1);
6165 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000;
6166 /* If more than one rate, set auto */
6167 readConfigRid(local, 1);
6168 vwrq->fixed = (local->config.rates[1] == 0);
6170 return 0;
6173 /*------------------------------------------------------------------*/
6175 * Wireless Handler : set RTS threshold
6177 static int airo_set_rts(struct net_device *dev,
6178 struct iw_request_info *info,
6179 struct iw_param *vwrq,
6180 char *extra)
6182 struct airo_info *local = dev->ml_priv;
6183 int rthr = vwrq->value;
6185 if(vwrq->disabled)
6186 rthr = AIRO_DEF_MTU;
6187 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6188 return -EINVAL;
6190 readConfigRid(local, 1);
6191 local->config.rtsThres = cpu_to_le16(rthr);
6192 set_bit (FLAG_COMMIT, &local->flags);
6194 return -EINPROGRESS; /* Call commit handler */
6197 /*------------------------------------------------------------------*/
6199 * Wireless Handler : get RTS threshold
6201 static int airo_get_rts(struct net_device *dev,
6202 struct iw_request_info *info,
6203 struct iw_param *vwrq,
6204 char *extra)
6206 struct airo_info *local = dev->ml_priv;
6208 readConfigRid(local, 1);
6209 vwrq->value = le16_to_cpu(local->config.rtsThres);
6210 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6211 vwrq->fixed = 1;
6213 return 0;
6216 /*------------------------------------------------------------------*/
6218 * Wireless Handler : set Fragmentation threshold
6220 static int airo_set_frag(struct net_device *dev,
6221 struct iw_request_info *info,
6222 struct iw_param *vwrq,
6223 char *extra)
6225 struct airo_info *local = dev->ml_priv;
6226 int fthr = vwrq->value;
6228 if(vwrq->disabled)
6229 fthr = AIRO_DEF_MTU;
6230 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6231 return -EINVAL;
6233 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6234 readConfigRid(local, 1);
6235 local->config.fragThresh = cpu_to_le16(fthr);
6236 set_bit (FLAG_COMMIT, &local->flags);
6238 return -EINPROGRESS; /* Call commit handler */
6241 /*------------------------------------------------------------------*/
6243 * Wireless Handler : get Fragmentation threshold
6245 static int airo_get_frag(struct net_device *dev,
6246 struct iw_request_info *info,
6247 struct iw_param *vwrq,
6248 char *extra)
6250 struct airo_info *local = dev->ml_priv;
6252 readConfigRid(local, 1);
6253 vwrq->value = le16_to_cpu(local->config.fragThresh);
6254 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6255 vwrq->fixed = 1;
6257 return 0;
6260 /*------------------------------------------------------------------*/
6262 * Wireless Handler : set Mode of Operation
6264 static int airo_set_mode(struct net_device *dev,
6265 struct iw_request_info *info,
6266 __u32 *uwrq,
6267 char *extra)
6269 struct airo_info *local = dev->ml_priv;
6270 int reset = 0;
6272 readConfigRid(local, 1);
6273 if (sniffing_mode(local))
6274 reset = 1;
6276 switch(*uwrq) {
6277 case IW_MODE_ADHOC:
6278 local->config.opmode &= ~MODE_CFG_MASK;
6279 local->config.opmode |= MODE_STA_IBSS;
6280 local->config.rmode &= ~RXMODE_FULL_MASK;
6281 local->config.scanMode = SCANMODE_ACTIVE;
6282 clear_bit (FLAG_802_11, &local->flags);
6283 break;
6284 case IW_MODE_INFRA:
6285 local->config.opmode &= ~MODE_CFG_MASK;
6286 local->config.opmode |= MODE_STA_ESS;
6287 local->config.rmode &= ~RXMODE_FULL_MASK;
6288 local->config.scanMode = SCANMODE_ACTIVE;
6289 clear_bit (FLAG_802_11, &local->flags);
6290 break;
6291 case IW_MODE_MASTER:
6292 local->config.opmode &= ~MODE_CFG_MASK;
6293 local->config.opmode |= MODE_AP;
6294 local->config.rmode &= ~RXMODE_FULL_MASK;
6295 local->config.scanMode = SCANMODE_ACTIVE;
6296 clear_bit (FLAG_802_11, &local->flags);
6297 break;
6298 case IW_MODE_REPEAT:
6299 local->config.opmode &= ~MODE_CFG_MASK;
6300 local->config.opmode |= MODE_AP_RPTR;
6301 local->config.rmode &= ~RXMODE_FULL_MASK;
6302 local->config.scanMode = SCANMODE_ACTIVE;
6303 clear_bit (FLAG_802_11, &local->flags);
6304 break;
6305 case IW_MODE_MONITOR:
6306 local->config.opmode &= ~MODE_CFG_MASK;
6307 local->config.opmode |= MODE_STA_ESS;
6308 local->config.rmode &= ~RXMODE_FULL_MASK;
6309 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6310 local->config.scanMode = SCANMODE_PASSIVE;
6311 set_bit (FLAG_802_11, &local->flags);
6312 break;
6313 default:
6314 return -EINVAL;
6316 if (reset)
6317 set_bit (FLAG_RESET, &local->flags);
6318 set_bit (FLAG_COMMIT, &local->flags);
6320 return -EINPROGRESS; /* Call commit handler */
6323 /*------------------------------------------------------------------*/
6325 * Wireless Handler : get Mode of Operation
6327 static int airo_get_mode(struct net_device *dev,
6328 struct iw_request_info *info,
6329 __u32 *uwrq,
6330 char *extra)
6332 struct airo_info *local = dev->ml_priv;
6334 readConfigRid(local, 1);
6335 /* If not managed, assume it's ad-hoc */
6336 switch (local->config.opmode & MODE_CFG_MASK) {
6337 case MODE_STA_ESS:
6338 *uwrq = IW_MODE_INFRA;
6339 break;
6340 case MODE_AP:
6341 *uwrq = IW_MODE_MASTER;
6342 break;
6343 case MODE_AP_RPTR:
6344 *uwrq = IW_MODE_REPEAT;
6345 break;
6346 default:
6347 *uwrq = IW_MODE_ADHOC;
6350 return 0;
6353 static inline int valid_index(struct airo_info *ai, int index)
6355 return (index >= 0) && (index <= ai->max_wep_idx);
6358 /*------------------------------------------------------------------*/
6360 * Wireless Handler : set Encryption Key
6362 static int airo_set_encode(struct net_device *dev,
6363 struct iw_request_info *info,
6364 struct iw_point *dwrq,
6365 char *extra)
6367 struct airo_info *local = dev->ml_priv;
6368 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1);
6369 __le16 currentAuthType = local->config.authType;
6370 int rc = 0;
6372 if (!local->wep_capable)
6373 return -EOPNOTSUPP;
6375 readConfigRid(local, 1);
6377 /* Basic checking: do we have a key to set ?
6378 * Note : with the new API, it's impossible to get a NULL pointer.
6379 * Therefore, we need to check a key size == 0 instead.
6380 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6381 * when no key is present (only change flags), but older versions
6382 * don't do it. - Jean II */
6383 if (dwrq->length > 0) {
6384 wep_key_t key;
6385 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6386 int current_index;
6388 /* Check the size of the key */
6389 if (dwrq->length > MAX_KEY_SIZE) {
6390 return -EINVAL;
6393 current_index = get_wep_tx_idx(local);
6394 if (current_index < 0)
6395 current_index = 0;
6397 /* Check the index (none -> use current) */
6398 if (!valid_index(local, index))
6399 index = current_index;
6401 /* Set the length */
6402 if (dwrq->length > MIN_KEY_SIZE)
6403 key.len = MAX_KEY_SIZE;
6404 else
6405 key.len = MIN_KEY_SIZE;
6406 /* Check if the key is not marked as invalid */
6407 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6408 /* Cleanup */
6409 memset(key.key, 0, MAX_KEY_SIZE);
6410 /* Copy the key in the driver */
6411 memcpy(key.key, extra, dwrq->length);
6412 /* Send the key to the card */
6413 rc = set_wep_key(local, index, key.key, key.len, perm, 1);
6414 if (rc < 0) {
6415 airo_print_err(local->dev->name, "failed to set"
6416 " WEP key at index %d: %d.",
6417 index, rc);
6418 return rc;
6421 /* WE specify that if a valid key is set, encryption
6422 * should be enabled (user may turn it off later)
6423 * This is also how "iwconfig ethX key on" works */
6424 if((index == current_index) && (key.len > 0) &&
6425 (local->config.authType == AUTH_OPEN)) {
6426 local->config.authType = AUTH_ENCRYPT;
6428 } else {
6429 /* Do we want to just set the transmit key index ? */
6430 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6431 if (valid_index(local, index)) {
6432 rc = set_wep_tx_idx(local, index, perm, 1);
6433 if (rc < 0) {
6434 airo_print_err(local->dev->name, "failed to set"
6435 " WEP transmit index to %d: %d.",
6436 index, rc);
6437 return rc;
6439 } else {
6440 /* Don't complain if only change the mode */
6441 if (!(dwrq->flags & IW_ENCODE_MODE))
6442 return -EINVAL;
6445 /* Read the flags */
6446 if(dwrq->flags & IW_ENCODE_DISABLED)
6447 local->config.authType = AUTH_OPEN; // disable encryption
6448 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6449 local->config.authType = AUTH_SHAREDKEY; // Only Both
6450 if(dwrq->flags & IW_ENCODE_OPEN)
6451 local->config.authType = AUTH_ENCRYPT; // Only Wep
6452 /* Commit the changes to flags if needed */
6453 if (local->config.authType != currentAuthType)
6454 set_bit (FLAG_COMMIT, &local->flags);
6455 return -EINPROGRESS; /* Call commit handler */
6458 /*------------------------------------------------------------------*/
6460 * Wireless Handler : get Encryption Key
6462 static int airo_get_encode(struct net_device *dev,
6463 struct iw_request_info *info,
6464 struct iw_point *dwrq,
6465 char *extra)
6467 struct airo_info *local = dev->ml_priv;
6468 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6469 int wep_key_len;
6470 u8 buf[16];
6472 if (!local->wep_capable)
6473 return -EOPNOTSUPP;
6475 readConfigRid(local, 1);
6477 /* Check encryption mode */
6478 switch(local->config.authType) {
6479 case AUTH_ENCRYPT:
6480 dwrq->flags = IW_ENCODE_OPEN;
6481 break;
6482 case AUTH_SHAREDKEY:
6483 dwrq->flags = IW_ENCODE_RESTRICTED;
6484 break;
6485 default:
6486 case AUTH_OPEN:
6487 dwrq->flags = IW_ENCODE_DISABLED;
6488 break;
6490 /* We can't return the key, so set the proper flag and return zero */
6491 dwrq->flags |= IW_ENCODE_NOKEY;
6492 memset(extra, 0, 16);
6494 /* Which key do we want ? -1 -> tx index */
6495 if (!valid_index(local, index)) {
6496 index = get_wep_tx_idx(local);
6497 if (index < 0)
6498 index = 0;
6500 dwrq->flags |= index + 1;
6502 /* Copy the key to the user buffer */
6503 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
6504 if (wep_key_len < 0) {
6505 dwrq->length = 0;
6506 } else {
6507 dwrq->length = wep_key_len;
6508 memcpy(extra, buf, dwrq->length);
6511 return 0;
6514 /*------------------------------------------------------------------*/
6516 * Wireless Handler : set extended Encryption parameters
6518 static int airo_set_encodeext(struct net_device *dev,
6519 struct iw_request_info *info,
6520 union iwreq_data *wrqu,
6521 char *extra)
6523 struct airo_info *local = dev->ml_priv;
6524 struct iw_point *encoding = &wrqu->encoding;
6525 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6526 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6527 __le16 currentAuthType = local->config.authType;
6528 int idx, key_len, alg = ext->alg, set_key = 1, rc;
6529 wep_key_t key;
6531 if (!local->wep_capable)
6532 return -EOPNOTSUPP;
6534 readConfigRid(local, 1);
6536 /* Determine and validate the key index */
6537 idx = encoding->flags & IW_ENCODE_INDEX;
6538 if (idx) {
6539 if (!valid_index(local, idx - 1))
6540 return -EINVAL;
6541 idx--;
6542 } else {
6543 idx = get_wep_tx_idx(local);
6544 if (idx < 0)
6545 idx = 0;
6548 if (encoding->flags & IW_ENCODE_DISABLED)
6549 alg = IW_ENCODE_ALG_NONE;
6551 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6552 /* Only set transmit key index here, actual
6553 * key is set below if needed.
6555 rc = set_wep_tx_idx(local, idx, perm, 1);
6556 if (rc < 0) {
6557 airo_print_err(local->dev->name, "failed to set "
6558 "WEP transmit index to %d: %d.",
6559 idx, rc);
6560 return rc;
6562 set_key = ext->key_len > 0 ? 1 : 0;
6565 if (set_key) {
6566 /* Set the requested key first */
6567 memset(key.key, 0, MAX_KEY_SIZE);
6568 switch (alg) {
6569 case IW_ENCODE_ALG_NONE:
6570 key.len = 0;
6571 break;
6572 case IW_ENCODE_ALG_WEP:
6573 if (ext->key_len > MIN_KEY_SIZE) {
6574 key.len = MAX_KEY_SIZE;
6575 } else if (ext->key_len > 0) {
6576 key.len = MIN_KEY_SIZE;
6577 } else {
6578 return -EINVAL;
6580 key_len = min (ext->key_len, key.len);
6581 memcpy(key.key, ext->key, key_len);
6582 break;
6583 default:
6584 return -EINVAL;
6586 if (key.len == 0) {
6587 rc = set_wep_tx_idx(local, idx, perm, 1);
6588 if (rc < 0) {
6589 airo_print_err(local->dev->name,
6590 "failed to set WEP transmit index to %d: %d.",
6591 idx, rc);
6592 return rc;
6594 } else {
6595 rc = set_wep_key(local, idx, key.key, key.len, perm, 1);
6596 if (rc < 0) {
6597 airo_print_err(local->dev->name,
6598 "failed to set WEP key at index %d: %d.",
6599 idx, rc);
6600 return rc;
6605 /* Read the flags */
6606 if(encoding->flags & IW_ENCODE_DISABLED)
6607 local->config.authType = AUTH_OPEN; // disable encryption
6608 if(encoding->flags & IW_ENCODE_RESTRICTED)
6609 local->config.authType = AUTH_SHAREDKEY; // Only Both
6610 if(encoding->flags & IW_ENCODE_OPEN)
6611 local->config.authType = AUTH_ENCRYPT; // Only Wep
6612 /* Commit the changes to flags if needed */
6613 if (local->config.authType != currentAuthType)
6614 set_bit (FLAG_COMMIT, &local->flags);
6616 return -EINPROGRESS;
6620 /*------------------------------------------------------------------*/
6622 * Wireless Handler : get extended Encryption parameters
6624 static int airo_get_encodeext(struct net_device *dev,
6625 struct iw_request_info *info,
6626 union iwreq_data *wrqu,
6627 char *extra)
6629 struct airo_info *local = dev->ml_priv;
6630 struct iw_point *encoding = &wrqu->encoding;
6631 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6632 int idx, max_key_len, wep_key_len;
6633 u8 buf[16];
6635 if (!local->wep_capable)
6636 return -EOPNOTSUPP;
6638 readConfigRid(local, 1);
6640 max_key_len = encoding->length - sizeof(*ext);
6641 if (max_key_len < 0)
6642 return -EINVAL;
6644 idx = encoding->flags & IW_ENCODE_INDEX;
6645 if (idx) {
6646 if (!valid_index(local, idx - 1))
6647 return -EINVAL;
6648 idx--;
6649 } else {
6650 idx = get_wep_tx_idx(local);
6651 if (idx < 0)
6652 idx = 0;
6655 encoding->flags = idx + 1;
6656 memset(ext, 0, sizeof(*ext));
6658 /* Check encryption mode */
6659 switch(local->config.authType) {
6660 case AUTH_ENCRYPT:
6661 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6662 break;
6663 case AUTH_SHAREDKEY:
6664 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6665 break;
6666 default:
6667 case AUTH_OPEN:
6668 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6669 break;
6671 /* We can't return the key, so set the proper flag and return zero */
6672 encoding->flags |= IW_ENCODE_NOKEY;
6673 memset(extra, 0, 16);
6675 /* Copy the key to the user buffer */
6676 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
6677 if (wep_key_len < 0) {
6678 ext->key_len = 0;
6679 } else {
6680 ext->key_len = wep_key_len;
6681 memcpy(extra, buf, ext->key_len);
6684 return 0;
6688 /*------------------------------------------------------------------*/
6690 * Wireless Handler : set extended authentication parameters
6692 static int airo_set_auth(struct net_device *dev,
6693 struct iw_request_info *info,
6694 union iwreq_data *wrqu, char *extra)
6696 struct airo_info *local = dev->ml_priv;
6697 struct iw_param *param = &wrqu->param;
6698 __le16 currentAuthType = local->config.authType;
6700 switch (param->flags & IW_AUTH_INDEX) {
6701 case IW_AUTH_WPA_VERSION:
6702 case IW_AUTH_CIPHER_PAIRWISE:
6703 case IW_AUTH_CIPHER_GROUP:
6704 case IW_AUTH_KEY_MGMT:
6705 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6706 case IW_AUTH_PRIVACY_INVOKED:
6708 * airo does not use these parameters
6710 break;
6712 case IW_AUTH_DROP_UNENCRYPTED:
6713 if (param->value) {
6714 /* Only change auth type if unencrypted */
6715 if (currentAuthType == AUTH_OPEN)
6716 local->config.authType = AUTH_ENCRYPT;
6717 } else {
6718 local->config.authType = AUTH_OPEN;
6721 /* Commit the changes to flags if needed */
6722 if (local->config.authType != currentAuthType)
6723 set_bit (FLAG_COMMIT, &local->flags);
6724 break;
6726 case IW_AUTH_80211_AUTH_ALG: {
6727 /* FIXME: What about AUTH_OPEN? This API seems to
6728 * disallow setting our auth to AUTH_OPEN.
6730 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6731 local->config.authType = AUTH_SHAREDKEY;
6732 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6733 local->config.authType = AUTH_ENCRYPT;
6734 } else
6735 return -EINVAL;
6737 /* Commit the changes to flags if needed */
6738 if (local->config.authType != currentAuthType)
6739 set_bit (FLAG_COMMIT, &local->flags);
6740 break;
6743 case IW_AUTH_WPA_ENABLED:
6744 /* Silently accept disable of WPA */
6745 if (param->value > 0)
6746 return -EOPNOTSUPP;
6747 break;
6749 default:
6750 return -EOPNOTSUPP;
6752 return -EINPROGRESS;
6756 /*------------------------------------------------------------------*/
6758 * Wireless Handler : get extended authentication parameters
6760 static int airo_get_auth(struct net_device *dev,
6761 struct iw_request_info *info,
6762 union iwreq_data *wrqu, char *extra)
6764 struct airo_info *local = dev->ml_priv;
6765 struct iw_param *param = &wrqu->param;
6766 __le16 currentAuthType = local->config.authType;
6768 switch (param->flags & IW_AUTH_INDEX) {
6769 case IW_AUTH_DROP_UNENCRYPTED:
6770 switch (currentAuthType) {
6771 case AUTH_SHAREDKEY:
6772 case AUTH_ENCRYPT:
6773 param->value = 1;
6774 break;
6775 default:
6776 param->value = 0;
6777 break;
6779 break;
6781 case IW_AUTH_80211_AUTH_ALG:
6782 switch (currentAuthType) {
6783 case AUTH_SHAREDKEY:
6784 param->value = IW_AUTH_ALG_SHARED_KEY;
6785 break;
6786 case AUTH_ENCRYPT:
6787 default:
6788 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6789 break;
6791 break;
6793 case IW_AUTH_WPA_ENABLED:
6794 param->value = 0;
6795 break;
6797 default:
6798 return -EOPNOTSUPP;
6800 return 0;
6804 /*------------------------------------------------------------------*/
6806 * Wireless Handler : set Tx-Power
6808 static int airo_set_txpow(struct net_device *dev,
6809 struct iw_request_info *info,
6810 struct iw_param *vwrq,
6811 char *extra)
6813 struct airo_info *local = dev->ml_priv;
6814 CapabilityRid cap_rid; /* Card capability info */
6815 int i;
6816 int rc = -EINVAL;
6817 __le16 v = cpu_to_le16(vwrq->value);
6819 readCapabilityRid(local, &cap_rid, 1);
6821 if (vwrq->disabled) {
6822 set_bit (FLAG_RADIO_OFF, &local->flags);
6823 set_bit (FLAG_COMMIT, &local->flags);
6824 return -EINPROGRESS; /* Call commit handler */
6826 if (vwrq->flags != IW_TXPOW_MWATT) {
6827 return -EINVAL;
6829 clear_bit (FLAG_RADIO_OFF, &local->flags);
6830 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
6831 if (v == cap_rid.txPowerLevels[i]) {
6832 readConfigRid(local, 1);
6833 local->config.txPower = v;
6834 set_bit (FLAG_COMMIT, &local->flags);
6835 rc = -EINPROGRESS; /* Call commit handler */
6836 break;
6838 return rc;
6841 /*------------------------------------------------------------------*/
6843 * Wireless Handler : get Tx-Power
6845 static int airo_get_txpow(struct net_device *dev,
6846 struct iw_request_info *info,
6847 struct iw_param *vwrq,
6848 char *extra)
6850 struct airo_info *local = dev->ml_priv;
6852 readConfigRid(local, 1);
6853 vwrq->value = le16_to_cpu(local->config.txPower);
6854 vwrq->fixed = 1; /* No power control */
6855 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6856 vwrq->flags = IW_TXPOW_MWATT;
6858 return 0;
6861 /*------------------------------------------------------------------*/
6863 * Wireless Handler : set Retry limits
6865 static int airo_set_retry(struct net_device *dev,
6866 struct iw_request_info *info,
6867 struct iw_param *vwrq,
6868 char *extra)
6870 struct airo_info *local = dev->ml_priv;
6871 int rc = -EINVAL;
6873 if(vwrq->disabled) {
6874 return -EINVAL;
6876 readConfigRid(local, 1);
6877 if(vwrq->flags & IW_RETRY_LIMIT) {
6878 __le16 v = cpu_to_le16(vwrq->value);
6879 if(vwrq->flags & IW_RETRY_LONG)
6880 local->config.longRetryLimit = v;
6881 else if (vwrq->flags & IW_RETRY_SHORT)
6882 local->config.shortRetryLimit = v;
6883 else {
6884 /* No modifier : set both */
6885 local->config.longRetryLimit = v;
6886 local->config.shortRetryLimit = v;
6888 set_bit (FLAG_COMMIT, &local->flags);
6889 rc = -EINPROGRESS; /* Call commit handler */
6891 if(vwrq->flags & IW_RETRY_LIFETIME) {
6892 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024);
6893 set_bit (FLAG_COMMIT, &local->flags);
6894 rc = -EINPROGRESS; /* Call commit handler */
6896 return rc;
6899 /*------------------------------------------------------------------*/
6901 * Wireless Handler : get Retry limits
6903 static int airo_get_retry(struct net_device *dev,
6904 struct iw_request_info *info,
6905 struct iw_param *vwrq,
6906 char *extra)
6908 struct airo_info *local = dev->ml_priv;
6910 vwrq->disabled = 0; /* Can't be disabled */
6912 readConfigRid(local, 1);
6913 /* Note : by default, display the min retry number */
6914 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6915 vwrq->flags = IW_RETRY_LIFETIME;
6916 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024;
6917 } else if((vwrq->flags & IW_RETRY_LONG)) {
6918 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6919 vwrq->value = le16_to_cpu(local->config.longRetryLimit);
6920 } else {
6921 vwrq->flags = IW_RETRY_LIMIT;
6922 vwrq->value = le16_to_cpu(local->config.shortRetryLimit);
6923 if(local->config.shortRetryLimit != local->config.longRetryLimit)
6924 vwrq->flags |= IW_RETRY_SHORT;
6927 return 0;
6930 /*------------------------------------------------------------------*/
6932 * Wireless Handler : get range info
6934 static int airo_get_range(struct net_device *dev,
6935 struct iw_request_info *info,
6936 struct iw_point *dwrq,
6937 char *extra)
6939 struct airo_info *local = dev->ml_priv;
6940 struct iw_range *range = (struct iw_range *) extra;
6941 CapabilityRid cap_rid; /* Card capability info */
6942 int i;
6943 int k;
6945 readCapabilityRid(local, &cap_rid, 1);
6947 dwrq->length = sizeof(struct iw_range);
6948 memset(range, 0, sizeof(*range));
6949 range->min_nwid = 0x0000;
6950 range->max_nwid = 0x0000;
6951 range->num_channels = 14;
6952 /* Should be based on cap_rid.country to give only
6953 * what the current card support */
6954 k = 0;
6955 for(i = 0; i < 14; i++) {
6956 range->freq[k].i = i + 1; /* List index */
6957 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000;
6958 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */
6960 range->num_frequency = k;
6962 range->sensitivity = 65535;
6964 /* Hum... Should put the right values there */
6965 if (local->rssi)
6966 range->max_qual.qual = 100; /* % */
6967 else
6968 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6969 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6970 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6972 /* Experimental measurements - boundary 11/5.5 Mb/s */
6973 /* Note : with or without the (local->rssi), results
6974 * are somewhat different. - Jean II */
6975 if (local->rssi) {
6976 range->avg_qual.qual = 50; /* % */
6977 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6978 } else {
6979 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6980 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6982 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6984 for(i = 0 ; i < 8 ; i++) {
6985 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6986 if(range->bitrate[i] == 0)
6987 break;
6989 range->num_bitrates = i;
6991 /* Set an indication of the max TCP throughput
6992 * in bit/s that we can expect using this interface.
6993 * May be use for QoS stuff... Jean II */
6994 if(i > 2)
6995 range->throughput = 5000 * 1000;
6996 else
6997 range->throughput = 1500 * 1000;
6999 range->min_rts = 0;
7000 range->max_rts = AIRO_DEF_MTU;
7001 range->min_frag = 256;
7002 range->max_frag = AIRO_DEF_MTU;
7004 if(cap_rid.softCap & cpu_to_le16(2)) {
7005 // WEP: RC4 40 bits
7006 range->encoding_size[0] = 5;
7007 // RC4 ~128 bits
7008 if (cap_rid.softCap & cpu_to_le16(0x100)) {
7009 range->encoding_size[1] = 13;
7010 range->num_encoding_sizes = 2;
7011 } else
7012 range->num_encoding_sizes = 1;
7013 range->max_encoding_tokens =
7014 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
7015 } else {
7016 range->num_encoding_sizes = 0;
7017 range->max_encoding_tokens = 0;
7019 range->min_pmp = 0;
7020 range->max_pmp = 5000000; /* 5 secs */
7021 range->min_pmt = 0;
7022 range->max_pmt = 65535 * 1024; /* ??? */
7023 range->pmp_flags = IW_POWER_PERIOD;
7024 range->pmt_flags = IW_POWER_TIMEOUT;
7025 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
7027 /* Transmit Power - values are in mW */
7028 for(i = 0 ; i < 8 ; i++) {
7029 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
7030 if(range->txpower[i] == 0)
7031 break;
7033 range->num_txpower = i;
7034 range->txpower_capa = IW_TXPOW_MWATT;
7035 range->we_version_source = 19;
7036 range->we_version_compiled = WIRELESS_EXT;
7037 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
7038 range->retry_flags = IW_RETRY_LIMIT;
7039 range->r_time_flags = IW_RETRY_LIFETIME;
7040 range->min_retry = 1;
7041 range->max_retry = 65535;
7042 range->min_r_time = 1024;
7043 range->max_r_time = 65535 * 1024;
7045 /* Event capability (kernel + driver) */
7046 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
7047 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7048 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7049 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7050 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7051 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7052 return 0;
7055 /*------------------------------------------------------------------*/
7057 * Wireless Handler : set Power Management
7059 static int airo_set_power(struct net_device *dev,
7060 struct iw_request_info *info,
7061 struct iw_param *vwrq,
7062 char *extra)
7064 struct airo_info *local = dev->ml_priv;
7066 readConfigRid(local, 1);
7067 if (vwrq->disabled) {
7068 if (sniffing_mode(local))
7069 return -EINVAL;
7070 local->config.powerSaveMode = POWERSAVE_CAM;
7071 local->config.rmode &= ~RXMODE_MASK;
7072 local->config.rmode |= RXMODE_BC_MC_ADDR;
7073 set_bit (FLAG_COMMIT, &local->flags);
7074 return -EINPROGRESS; /* Call commit handler */
7076 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7077 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024);
7078 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7079 set_bit (FLAG_COMMIT, &local->flags);
7080 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7081 local->config.fastListenInterval =
7082 local->config.listenInterval =
7083 cpu_to_le16((vwrq->value + 500) / 1024);
7084 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7085 set_bit (FLAG_COMMIT, &local->flags);
7087 switch (vwrq->flags & IW_POWER_MODE) {
7088 case IW_POWER_UNICAST_R:
7089 if (sniffing_mode(local))
7090 return -EINVAL;
7091 local->config.rmode &= ~RXMODE_MASK;
7092 local->config.rmode |= RXMODE_ADDR;
7093 set_bit (FLAG_COMMIT, &local->flags);
7094 break;
7095 case IW_POWER_ALL_R:
7096 if (sniffing_mode(local))
7097 return -EINVAL;
7098 local->config.rmode &= ~RXMODE_MASK;
7099 local->config.rmode |= RXMODE_BC_MC_ADDR;
7100 set_bit (FLAG_COMMIT, &local->flags);
7101 case IW_POWER_ON:
7102 /* This is broken, fixme ;-) */
7103 break;
7104 default:
7105 return -EINVAL;
7107 // Note : we may want to factor local->need_commit here
7108 // Note2 : may also want to factor RXMODE_RFMON test
7109 return -EINPROGRESS; /* Call commit handler */
7112 /*------------------------------------------------------------------*/
7114 * Wireless Handler : get Power Management
7116 static int airo_get_power(struct net_device *dev,
7117 struct iw_request_info *info,
7118 struct iw_param *vwrq,
7119 char *extra)
7121 struct airo_info *local = dev->ml_priv;
7122 __le16 mode;
7124 readConfigRid(local, 1);
7125 mode = local->config.powerSaveMode;
7126 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7127 return 0;
7128 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7129 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024;
7130 vwrq->flags = IW_POWER_TIMEOUT;
7131 } else {
7132 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024;
7133 vwrq->flags = IW_POWER_PERIOD;
7135 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR)
7136 vwrq->flags |= IW_POWER_UNICAST_R;
7137 else
7138 vwrq->flags |= IW_POWER_ALL_R;
7140 return 0;
7143 /*------------------------------------------------------------------*/
7145 * Wireless Handler : set Sensitivity
7147 static int airo_set_sens(struct net_device *dev,
7148 struct iw_request_info *info,
7149 struct iw_param *vwrq,
7150 char *extra)
7152 struct airo_info *local = dev->ml_priv;
7154 readConfigRid(local, 1);
7155 local->config.rssiThreshold =
7156 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value);
7157 set_bit (FLAG_COMMIT, &local->flags);
7159 return -EINPROGRESS; /* Call commit handler */
7162 /*------------------------------------------------------------------*/
7164 * Wireless Handler : get Sensitivity
7166 static int airo_get_sens(struct net_device *dev,
7167 struct iw_request_info *info,
7168 struct iw_param *vwrq,
7169 char *extra)
7171 struct airo_info *local = dev->ml_priv;
7173 readConfigRid(local, 1);
7174 vwrq->value = le16_to_cpu(local->config.rssiThreshold);
7175 vwrq->disabled = (vwrq->value == 0);
7176 vwrq->fixed = 1;
7178 return 0;
7181 /*------------------------------------------------------------------*/
7183 * Wireless Handler : get AP List
7184 * Note : this is deprecated in favor of IWSCAN
7186 static int airo_get_aplist(struct net_device *dev,
7187 struct iw_request_info *info,
7188 struct iw_point *dwrq,
7189 char *extra)
7191 struct airo_info *local = dev->ml_priv;
7192 struct sockaddr *address = (struct sockaddr *) extra;
7193 struct iw_quality *qual;
7194 BSSListRid BSSList;
7195 int i;
7196 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7198 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL);
7199 if (!qual)
7200 return -ENOMEM;
7202 for (i = 0; i < IW_MAX_AP; i++) {
7203 u16 dBm;
7204 if (readBSSListRid(local, loseSync, &BSSList))
7205 break;
7206 loseSync = 0;
7207 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7208 address[i].sa_family = ARPHRD_ETHER;
7209 dBm = le16_to_cpu(BSSList.dBm);
7210 if (local->rssi) {
7211 qual[i].level = 0x100 - dBm;
7212 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7213 qual[i].updated = IW_QUAL_QUAL_UPDATED
7214 | IW_QUAL_LEVEL_UPDATED
7215 | IW_QUAL_DBM;
7216 } else {
7217 qual[i].level = (dBm + 321) / 2;
7218 qual[i].qual = 0;
7219 qual[i].updated = IW_QUAL_QUAL_INVALID
7220 | IW_QUAL_LEVEL_UPDATED
7221 | IW_QUAL_DBM;
7223 qual[i].noise = local->wstats.qual.noise;
7224 if (BSSList.index == cpu_to_le16(0xffff))
7225 break;
7227 if (!i) {
7228 StatusRid status_rid; /* Card status info */
7229 readStatusRid(local, &status_rid, 1);
7230 for (i = 0;
7231 i < min(IW_MAX_AP, 4) &&
7232 (status_rid.bssid[i][0]
7233 & status_rid.bssid[i][1]
7234 & status_rid.bssid[i][2]
7235 & status_rid.bssid[i][3]
7236 & status_rid.bssid[i][4]
7237 & status_rid.bssid[i][5])!=0xff &&
7238 (status_rid.bssid[i][0]
7239 | status_rid.bssid[i][1]
7240 | status_rid.bssid[i][2]
7241 | status_rid.bssid[i][3]
7242 | status_rid.bssid[i][4]
7243 | status_rid.bssid[i][5]);
7244 i++) {
7245 memcpy(address[i].sa_data,
7246 status_rid.bssid[i], ETH_ALEN);
7247 address[i].sa_family = ARPHRD_ETHER;
7249 } else {
7250 dwrq->flags = 1; /* Should be define'd */
7251 memcpy(extra + sizeof(struct sockaddr)*i,
7252 &qual, sizeof(struct iw_quality)*i);
7254 dwrq->length = i;
7256 kfree(qual);
7257 return 0;
7260 /*------------------------------------------------------------------*/
7262 * Wireless Handler : Initiate Scan
7264 static int airo_set_scan(struct net_device *dev,
7265 struct iw_request_info *info,
7266 struct iw_point *dwrq,
7267 char *extra)
7269 struct airo_info *ai = dev->ml_priv;
7270 Cmd cmd;
7271 Resp rsp;
7272 int wake = 0;
7274 /* Note : you may have realised that, as this is a SET operation,
7275 * this is privileged and therefore a normal user can't
7276 * perform scanning.
7277 * This is not an error, while the device perform scanning,
7278 * traffic doesn't flow, so it's a perfect DoS...
7279 * Jean II */
7280 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7282 if (down_interruptible(&ai->sem))
7283 return -ERESTARTSYS;
7285 /* If there's already a scan in progress, don't
7286 * trigger another one. */
7287 if (ai->scan_timeout > 0)
7288 goto out;
7290 /* Initiate a scan command */
7291 ai->scan_timeout = RUN_AT(3*HZ);
7292 memset(&cmd, 0, sizeof(cmd));
7293 cmd.cmd=CMD_LISTBSS;
7294 issuecommand(ai, &cmd, &rsp);
7295 wake = 1;
7297 out:
7298 up(&ai->sem);
7299 if (wake)
7300 wake_up_interruptible(&ai->thr_wait);
7301 return 0;
7304 /*------------------------------------------------------------------*/
7306 * Translate scan data returned from the card to a card independent
7307 * format that the Wireless Tools will understand - Jean II
7309 static inline char *airo_translate_scan(struct net_device *dev,
7310 struct iw_request_info *info,
7311 char *current_ev,
7312 char *end_buf,
7313 BSSListRid *bss)
7315 struct airo_info *ai = dev->ml_priv;
7316 struct iw_event iwe; /* Temporary buffer */
7317 __le16 capabilities;
7318 char * current_val; /* For rates */
7319 int i;
7320 char * buf;
7321 u16 dBm;
7323 /* First entry *MUST* be the AP MAC address */
7324 iwe.cmd = SIOCGIWAP;
7325 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7326 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7327 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7328 &iwe, IW_EV_ADDR_LEN);
7330 /* Other entries will be displayed in the order we give them */
7332 /* Add the ESSID */
7333 iwe.u.data.length = bss->ssidLen;
7334 if(iwe.u.data.length > 32)
7335 iwe.u.data.length = 32;
7336 iwe.cmd = SIOCGIWESSID;
7337 iwe.u.data.flags = 1;
7338 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7339 &iwe, bss->ssid);
7341 /* Add mode */
7342 iwe.cmd = SIOCGIWMODE;
7343 capabilities = bss->cap;
7344 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7345 if(capabilities & CAP_ESS)
7346 iwe.u.mode = IW_MODE_MASTER;
7347 else
7348 iwe.u.mode = IW_MODE_ADHOC;
7349 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7350 &iwe, IW_EV_UINT_LEN);
7353 /* Add frequency */
7354 iwe.cmd = SIOCGIWFREQ;
7355 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7356 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000;
7357 iwe.u.freq.e = 1;
7358 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7359 &iwe, IW_EV_FREQ_LEN);
7361 dBm = le16_to_cpu(bss->dBm);
7363 /* Add quality statistics */
7364 iwe.cmd = IWEVQUAL;
7365 if (ai->rssi) {
7366 iwe.u.qual.level = 0x100 - dBm;
7367 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7368 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7369 | IW_QUAL_LEVEL_UPDATED
7370 | IW_QUAL_DBM;
7371 } else {
7372 iwe.u.qual.level = (dBm + 321) / 2;
7373 iwe.u.qual.qual = 0;
7374 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7375 | IW_QUAL_LEVEL_UPDATED
7376 | IW_QUAL_DBM;
7378 iwe.u.qual.noise = ai->wstats.qual.noise;
7379 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
7380 &iwe, IW_EV_QUAL_LEN);
7382 /* Add encryption capability */
7383 iwe.cmd = SIOCGIWENCODE;
7384 if(capabilities & CAP_PRIVACY)
7385 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7386 else
7387 iwe.u.data.flags = IW_ENCODE_DISABLED;
7388 iwe.u.data.length = 0;
7389 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7390 &iwe, bss->ssid);
7392 /* Rate : stuffing multiple values in a single event require a bit
7393 * more of magic - Jean II */
7394 current_val = current_ev + iwe_stream_lcp_len(info);
7396 iwe.cmd = SIOCGIWRATE;
7397 /* Those two flags are ignored... */
7398 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7399 /* Max 8 values */
7400 for(i = 0 ; i < 8 ; i++) {
7401 /* NULL terminated */
7402 if(bss->rates[i] == 0)
7403 break;
7404 /* Bit rate given in 500 kb/s units (+ 0x80) */
7405 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7406 /* Add new value to event */
7407 current_val = iwe_stream_add_value(info, current_ev,
7408 current_val, end_buf,
7409 &iwe, IW_EV_PARAM_LEN);
7411 /* Check if we added any event */
7412 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
7413 current_ev = current_val;
7415 /* Beacon interval */
7416 buf = kmalloc(30, GFP_KERNEL);
7417 if (buf) {
7418 iwe.cmd = IWEVCUSTOM;
7419 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7420 iwe.u.data.length = strlen(buf);
7421 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
7422 &iwe, buf);
7423 kfree(buf);
7426 /* Put WPA/RSN Information Elements into the event stream */
7427 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7428 unsigned int num_null_ies = 0;
7429 u16 length = sizeof (bss->extra.iep);
7430 u8 *ie = (void *)&bss->extra.iep;
7432 while ((length >= 2) && (num_null_ies < 2)) {
7433 if (2 + ie[1] > length) {
7434 /* Invalid element, don't continue parsing IE */
7435 break;
7438 switch (ie[0]) {
7439 case WLAN_EID_SSID:
7440 /* Two zero-length SSID elements
7441 * mean we're done parsing elements */
7442 if (!ie[1])
7443 num_null_ies++;
7444 break;
7446 case WLAN_EID_GENERIC:
7447 if (ie[1] >= 4 &&
7448 ie[2] == 0x00 &&
7449 ie[3] == 0x50 &&
7450 ie[4] == 0xf2 &&
7451 ie[5] == 0x01) {
7452 iwe.cmd = IWEVGENIE;
7453 /* 64 is an arbitrary cut-off */
7454 iwe.u.data.length = min(ie[1] + 2,
7455 64);
7456 current_ev = iwe_stream_add_point(
7457 info, current_ev,
7458 end_buf, &iwe, ie);
7460 break;
7462 case WLAN_EID_RSN:
7463 iwe.cmd = IWEVGENIE;
7464 /* 64 is an arbitrary cut-off */
7465 iwe.u.data.length = min(ie[1] + 2, 64);
7466 current_ev = iwe_stream_add_point(
7467 info, current_ev, end_buf,
7468 &iwe, ie);
7469 break;
7471 default:
7472 break;
7475 length -= 2 + ie[1];
7476 ie += 2 + ie[1];
7479 return current_ev;
7482 /*------------------------------------------------------------------*/
7484 * Wireless Handler : Read Scan Results
7486 static int airo_get_scan(struct net_device *dev,
7487 struct iw_request_info *info,
7488 struct iw_point *dwrq,
7489 char *extra)
7491 struct airo_info *ai = dev->ml_priv;
7492 BSSListElement *net;
7493 int err = 0;
7494 char *current_ev = extra;
7496 /* If a scan is in-progress, return -EAGAIN */
7497 if (ai->scan_timeout > 0)
7498 return -EAGAIN;
7500 if (down_interruptible(&ai->sem))
7501 return -EAGAIN;
7503 list_for_each_entry (net, &ai->network_list, list) {
7504 /* Translate to WE format this entry */
7505 current_ev = airo_translate_scan(dev, info, current_ev,
7506 extra + dwrq->length,
7507 &net->bss);
7509 /* Check if there is space for one more entry */
7510 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7511 /* Ask user space to try again with a bigger buffer */
7512 err = -E2BIG;
7513 goto out;
7517 /* Length of data */
7518 dwrq->length = (current_ev - extra);
7519 dwrq->flags = 0; /* todo */
7521 out:
7522 up(&ai->sem);
7523 return err;
7526 /*------------------------------------------------------------------*/
7528 * Commit handler : called after a bunch of SET operations
7530 static int airo_config_commit(struct net_device *dev,
7531 struct iw_request_info *info, /* NULL */
7532 void *zwrq, /* NULL */
7533 char *extra) /* NULL */
7535 struct airo_info *local = dev->ml_priv;
7537 if (!test_bit (FLAG_COMMIT, &local->flags))
7538 return 0;
7540 /* Some of the "SET" function may have modified some of the
7541 * parameters. It's now time to commit them in the card */
7542 disable_MAC(local, 1);
7543 if (test_bit (FLAG_RESET, &local->flags)) {
7544 APListRid APList_rid;
7545 SsidRid SSID_rid;
7547 readAPListRid(local, &APList_rid);
7548 readSsidRid(local, &SSID_rid);
7549 if (test_bit(FLAG_MPI,&local->flags))
7550 setup_card(local, dev->dev_addr, 1 );
7551 else
7552 reset_airo_card(dev);
7553 disable_MAC(local, 1);
7554 writeSsidRid(local, &SSID_rid, 1);
7555 writeAPListRid(local, &APList_rid, 1);
7557 if (down_interruptible(&local->sem))
7558 return -ERESTARTSYS;
7559 writeConfigRid(local, 0);
7560 enable_MAC(local, 0);
7561 if (test_bit (FLAG_RESET, &local->flags))
7562 airo_set_promisc(local);
7563 else
7564 up(&local->sem);
7566 return 0;
7569 /*------------------------------------------------------------------*/
7571 * Structures to export the Wireless Handlers
7574 static const struct iw_priv_args airo_private_args[] = {
7575 /*{ cmd, set_args, get_args, name } */
7576 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7577 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7578 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7579 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7582 static const iw_handler airo_handler[] =
7584 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7585 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7586 (iw_handler) NULL, /* SIOCSIWNWID */
7587 (iw_handler) NULL, /* SIOCGIWNWID */
7588 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7589 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7590 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7591 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7592 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7593 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7594 (iw_handler) NULL, /* SIOCSIWRANGE */
7595 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7596 (iw_handler) NULL, /* SIOCSIWPRIV */
7597 (iw_handler) NULL, /* SIOCGIWPRIV */
7598 (iw_handler) NULL, /* SIOCSIWSTATS */
7599 (iw_handler) NULL, /* SIOCGIWSTATS */
7600 iw_handler_set_spy, /* SIOCSIWSPY */
7601 iw_handler_get_spy, /* SIOCGIWSPY */
7602 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7603 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7604 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7605 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7606 (iw_handler) NULL, /* -- hole -- */
7607 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7608 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7609 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7610 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7611 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7612 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7613 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7614 (iw_handler) NULL, /* -- hole -- */
7615 (iw_handler) NULL, /* -- hole -- */
7616 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7617 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7618 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7619 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7620 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7621 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7622 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7623 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7624 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7625 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7626 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7627 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7628 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7629 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7630 (iw_handler) NULL, /* -- hole -- */
7631 (iw_handler) NULL, /* -- hole -- */
7632 (iw_handler) NULL, /* SIOCSIWGENIE */
7633 (iw_handler) NULL, /* SIOCGIWGENIE */
7634 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7635 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7636 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7637 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7638 (iw_handler) NULL, /* SIOCSIWPMKSA */
7641 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7642 * We want to force the use of the ioctl code, because those can't be
7643 * won't work the iw_handler code (because they simultaneously read
7644 * and write data and iw_handler can't do that).
7645 * Note that it's perfectly legal to read/write on a single ioctl command,
7646 * you just can't use iwpriv and need to force it via the ioctl handler.
7647 * Jean II */
7648 static const iw_handler airo_private_handler[] =
7650 NULL, /* SIOCIWFIRSTPRIV */
7653 static const struct iw_handler_def airo_handler_def =
7655 .num_standard = ARRAY_SIZE(airo_handler),
7656 .num_private = ARRAY_SIZE(airo_private_handler),
7657 .num_private_args = ARRAY_SIZE(airo_private_args),
7658 .standard = airo_handler,
7659 .private = airo_private_handler,
7660 .private_args = airo_private_args,
7661 .get_wireless_stats = airo_get_wireless_stats,
7665 * This defines the configuration part of the Wireless Extensions
7666 * Note : irq and spinlock protection will occur in the subroutines
7668 * TODO :
7669 * o Check input value more carefully and fill correct values in range
7670 * o Test and shakeout the bugs (if any)
7672 * Jean II
7674 * Javier Achirica did a great job of merging code from the unnamed CISCO
7675 * developer that added support for flashing the card.
7677 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7679 int rc = 0;
7680 struct airo_info *ai = dev->ml_priv;
7682 if (ai->power.event)
7683 return 0;
7685 switch (cmd) {
7686 #ifdef CISCO_EXT
7687 case AIROIDIFC:
7688 #ifdef AIROOLDIDIFC
7689 case AIROOLDIDIFC:
7690 #endif
7692 int val = AIROMAGIC;
7693 aironet_ioctl com;
7694 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7695 rc = -EFAULT;
7696 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7697 rc = -EFAULT;
7699 break;
7701 case AIROIOCTL:
7702 #ifdef AIROOLDIOCTL
7703 case AIROOLDIOCTL:
7704 #endif
7705 /* Get the command struct and hand it off for evaluation by
7706 * the proper subfunction
7709 aironet_ioctl com;
7710 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7711 rc = -EFAULT;
7712 break;
7715 /* Separate R/W functions bracket legality here
7717 if ( com.command == AIRORSWVERSION ) {
7718 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7719 rc = -EFAULT;
7720 else
7721 rc = 0;
7723 else if ( com.command <= AIRORRID)
7724 rc = readrids(dev,&com);
7725 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7726 rc = writerids(dev,&com);
7727 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7728 rc = flashcard(dev,&com);
7729 else
7730 rc = -EINVAL; /* Bad command in ioctl */
7732 break;
7733 #endif /* CISCO_EXT */
7735 // All other calls are currently unsupported
7736 default:
7737 rc = -EOPNOTSUPP;
7739 return rc;
7743 * Get the Wireless stats out of the driver
7744 * Note : irq and spinlock protection will occur in the subroutines
7746 * TODO :
7747 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7749 * Jean
7751 static void airo_read_wireless_stats(struct airo_info *local)
7753 StatusRid status_rid;
7754 StatsRid stats_rid;
7755 CapabilityRid cap_rid;
7756 __le32 *vals = stats_rid.vals;
7758 /* Get stats out of the card */
7759 clear_bit(JOB_WSTATS, &local->jobs);
7760 if (local->power.event) {
7761 up(&local->sem);
7762 return;
7764 readCapabilityRid(local, &cap_rid, 0);
7765 readStatusRid(local, &status_rid, 0);
7766 readStatsRid(local, &stats_rid, RID_STATS, 0);
7767 up(&local->sem);
7769 /* The status */
7770 local->wstats.status = le16_to_cpu(status_rid.mode);
7772 /* Signal quality and co */
7773 if (local->rssi) {
7774 local->wstats.qual.level =
7775 airo_rssi_to_dbm(local->rssi,
7776 le16_to_cpu(status_rid.sigQuality));
7777 /* normalizedSignalStrength appears to be a percentage */
7778 local->wstats.qual.qual =
7779 le16_to_cpu(status_rid.normalizedSignalStrength);
7780 } else {
7781 local->wstats.qual.level =
7782 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2;
7783 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7785 if (le16_to_cpu(status_rid.len) >= 124) {
7786 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7787 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7788 } else {
7789 local->wstats.qual.noise = 0;
7790 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7793 /* Packets discarded in the wireless adapter due to wireless
7794 * specific problems */
7795 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7796 le32_to_cpu(vals[57]) +
7797 le32_to_cpu(vals[58]); /* SSID Mismatch */
7798 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7799 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7800 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7801 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7802 le32_to_cpu(vals[32]);
7803 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7806 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7808 struct airo_info *local = dev->ml_priv;
7810 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7811 /* Get stats out of the card if available */
7812 if (down_trylock(&local->sem) != 0) {
7813 set_bit(JOB_WSTATS, &local->jobs);
7814 wake_up_interruptible(&local->thr_wait);
7815 } else
7816 airo_read_wireless_stats(local);
7819 return &local->wstats;
7822 #ifdef CISCO_EXT
7824 * This just translates from driver IOCTL codes to the command codes to
7825 * feed to the radio's host interface. Things can be added/deleted
7826 * as needed. This represents the READ side of control I/O to
7827 * the card
7829 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7830 unsigned short ridcode;
7831 unsigned char *iobuf;
7832 int len;
7833 struct airo_info *ai = dev->ml_priv;
7835 if (test_bit(FLAG_FLASHING, &ai->flags))
7836 return -EIO;
7838 switch(comp->command)
7840 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7841 case AIROGCFG: ridcode = RID_CONFIG;
7842 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7843 disable_MAC (ai, 1);
7844 writeConfigRid (ai, 1);
7845 enable_MAC(ai, 1);
7847 break;
7848 case AIROGSLIST: ridcode = RID_SSID; break;
7849 case AIROGVLIST: ridcode = RID_APLIST; break;
7850 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7851 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7852 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7853 /* Only super-user can read WEP keys */
7854 if (!capable(CAP_NET_ADMIN))
7855 return -EPERM;
7856 break;
7857 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7858 /* Only super-user can read WEP keys */
7859 if (!capable(CAP_NET_ADMIN))
7860 return -EPERM;
7861 break;
7862 case AIROGSTAT: ridcode = RID_STATUS; break;
7863 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7864 case AIROGSTATSC32: ridcode = RID_STATS; break;
7865 case AIROGMICSTATS:
7866 if (copy_to_user(comp->data, &ai->micstats,
7867 min((int)comp->len,(int)sizeof(ai->micstats))))
7868 return -EFAULT;
7869 return 0;
7870 case AIRORRID: ridcode = comp->ridnum; break;
7871 default:
7872 return -EINVAL;
7873 break;
7876 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7877 return -ENOMEM;
7879 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7880 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7881 * then return it to the user
7882 * 9/22/2000 Honor user given length
7884 len = comp->len;
7886 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7887 kfree (iobuf);
7888 return -EFAULT;
7890 kfree (iobuf);
7891 return 0;
7895 * Danger Will Robinson write the rids here
7898 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7899 struct airo_info *ai = dev->ml_priv;
7900 int ridcode;
7901 int enabled;
7902 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7903 unsigned char *iobuf;
7905 /* Only super-user can write RIDs */
7906 if (!capable(CAP_NET_ADMIN))
7907 return -EPERM;
7909 if (test_bit(FLAG_FLASHING, &ai->flags))
7910 return -EIO;
7912 ridcode = 0;
7913 writer = do_writerid;
7915 switch(comp->command)
7917 case AIROPSIDS: ridcode = RID_SSID; break;
7918 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7919 case AIROPAPLIST: ridcode = RID_APLIST; break;
7920 case AIROPCFG: ai->config.len = 0;
7921 clear_bit(FLAG_COMMIT, &ai->flags);
7922 ridcode = RID_CONFIG; break;
7923 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7924 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7925 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7926 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7927 break;
7928 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7929 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7931 /* this is not really a rid but a command given to the card
7932 * same with MAC off
7934 case AIROPMACON:
7935 if (enable_MAC(ai, 1) != 0)
7936 return -EIO;
7937 return 0;
7940 * Evidently this code in the airo driver does not get a symbol
7941 * as disable_MAC. it's probably so short the compiler does not gen one.
7943 case AIROPMACOFF:
7944 disable_MAC(ai, 1);
7945 return 0;
7947 /* This command merely clears the counts does not actually store any data
7948 * only reads rid. But as it changes the cards state, I put it in the
7949 * writerid routines.
7951 case AIROPSTCLR:
7952 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7953 return -ENOMEM;
7955 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7957 enabled = ai->micstats.enabled;
7958 memset(&ai->micstats,0,sizeof(ai->micstats));
7959 ai->micstats.enabled = enabled;
7961 if (copy_to_user(comp->data, iobuf,
7962 min((int)comp->len, (int)RIDSIZE))) {
7963 kfree (iobuf);
7964 return -EFAULT;
7966 kfree (iobuf);
7967 return 0;
7969 default:
7970 return -EOPNOTSUPP; /* Blarg! */
7972 if(comp->len > RIDSIZE)
7973 return -EINVAL;
7975 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7976 return -ENOMEM;
7978 if (copy_from_user(iobuf,comp->data,comp->len)) {
7979 kfree (iobuf);
7980 return -EFAULT;
7983 if (comp->command == AIROPCFG) {
7984 ConfigRid *cfg = (ConfigRid *)iobuf;
7986 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7987 cfg->opmode |= MODE_MIC;
7989 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS)
7990 set_bit (FLAG_ADHOC, &ai->flags);
7991 else
7992 clear_bit (FLAG_ADHOC, &ai->flags);
7995 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7996 kfree (iobuf);
7997 return -EIO;
7999 kfree (iobuf);
8000 return 0;
8003 /*****************************************************************************
8004 * Ancillary flash / mod functions much black magic lurkes here *
8005 *****************************************************************************
8009 * Flash command switch table
8012 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
8013 int z;
8015 /* Only super-user can modify flash */
8016 if (!capable(CAP_NET_ADMIN))
8017 return -EPERM;
8019 switch(comp->command)
8021 case AIROFLSHRST:
8022 return cmdreset((struct airo_info *)dev->ml_priv);
8024 case AIROFLSHSTFL:
8025 if (!AIRO_FLASH(dev) &&
8026 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL)
8027 return -ENOMEM;
8028 return setflashmode((struct airo_info *)dev->ml_priv);
8030 case AIROFLSHGCHR: /* Get char from aux */
8031 if(comp->len != sizeof(int))
8032 return -EINVAL;
8033 if (copy_from_user(&z,comp->data,comp->len))
8034 return -EFAULT;
8035 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000);
8037 case AIROFLSHPCHR: /* Send char to card. */
8038 if(comp->len != sizeof(int))
8039 return -EINVAL;
8040 if (copy_from_user(&z,comp->data,comp->len))
8041 return -EFAULT;
8042 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000);
8044 case AIROFLPUTBUF: /* Send 32k to card */
8045 if (!AIRO_FLASH(dev))
8046 return -ENOMEM;
8047 if(comp->len > FLASHSIZE)
8048 return -EINVAL;
8049 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len))
8050 return -EFAULT;
8052 flashputbuf((struct airo_info *)dev->ml_priv);
8053 return 0;
8055 case AIRORESTART:
8056 if (flashrestart((struct airo_info *)dev->ml_priv, dev))
8057 return -EIO;
8058 return 0;
8060 return -EINVAL;
8063 #define FLASH_COMMAND 0x7e7e
8066 * STEP 1)
8067 * Disable MAC and do soft reset on
8068 * card.
8071 static int cmdreset(struct airo_info *ai) {
8072 disable_MAC(ai, 1);
8074 if(!waitbusy (ai)){
8075 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8076 return -EBUSY;
8079 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8081 ssleep(1); /* WAS 600 12/7/00 */
8083 if(!waitbusy (ai)){
8084 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8085 return -EBUSY;
8087 return 0;
8090 /* STEP 2)
8091 * Put the card in legendary flash
8092 * mode
8095 static int setflashmode (struct airo_info *ai) {
8096 set_bit (FLAG_FLASHING, &ai->flags);
8098 OUT4500(ai, SWS0, FLASH_COMMAND);
8099 OUT4500(ai, SWS1, FLASH_COMMAND);
8100 if (probe) {
8101 OUT4500(ai, SWS0, FLASH_COMMAND);
8102 OUT4500(ai, COMMAND,0x10);
8103 } else {
8104 OUT4500(ai, SWS2, FLASH_COMMAND);
8105 OUT4500(ai, SWS3, FLASH_COMMAND);
8106 OUT4500(ai, COMMAND,0);
8108 msleep(500); /* 500ms delay */
8110 if(!waitbusy(ai)) {
8111 clear_bit (FLAG_FLASHING, &ai->flags);
8112 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8113 return -EIO;
8115 return 0;
8118 /* Put character to SWS0 wait for dwelltime
8119 * x 50us for echo .
8122 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8123 int echo;
8124 int waittime;
8126 byte |= 0x8000;
8128 if(dwelltime == 0 )
8129 dwelltime = 200;
8131 waittime=dwelltime;
8133 /* Wait for busy bit d15 to go false indicating buffer empty */
8134 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8135 udelay (50);
8136 waittime -= 50;
8139 /* timeout for busy clear wait */
8140 if(waittime <= 0 ){
8141 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8142 return -EBUSY;
8145 /* Port is clear now write byte and wait for it to echo back */
8146 do {
8147 OUT4500(ai,SWS0,byte);
8148 udelay(50);
8149 dwelltime -= 50;
8150 echo = IN4500(ai,SWS1);
8151 } while (dwelltime >= 0 && echo != byte);
8153 OUT4500(ai,SWS1,0);
8155 return (echo == byte) ? 0 : -EIO;
8159 * Get a character from the card matching matchbyte
8160 * Step 3)
8162 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8163 int rchar;
8164 unsigned char rbyte=0;
8166 do {
8167 rchar = IN4500(ai,SWS1);
8169 if(dwelltime && !(0x8000 & rchar)){
8170 dwelltime -= 10;
8171 mdelay(10);
8172 continue;
8174 rbyte = 0xff & rchar;
8176 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8177 OUT4500(ai,SWS1,0);
8178 return 0;
8180 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8181 break;
8182 OUT4500(ai,SWS1,0);
8184 }while(dwelltime > 0);
8185 return -EIO;
8189 * Transfer 32k of firmware data from user buffer to our buffer and
8190 * send to the card
8193 static int flashputbuf(struct airo_info *ai){
8194 int nwords;
8196 /* Write stuff */
8197 if (test_bit(FLAG_MPI,&ai->flags))
8198 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8199 else {
8200 OUT4500(ai,AUXPAGE,0x100);
8201 OUT4500(ai,AUXOFF,0);
8203 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8204 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8207 OUT4500(ai,SWS0,0x8000);
8209 return 0;
8215 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8216 int i,status;
8218 ssleep(1); /* Added 12/7/00 */
8219 clear_bit (FLAG_FLASHING, &ai->flags);
8220 if (test_bit(FLAG_MPI, &ai->flags)) {
8221 status = mpi_init_descriptors(ai);
8222 if (status != SUCCESS)
8223 return status;
8225 status = setup_card(ai, dev->dev_addr, 1);
8227 if (!test_bit(FLAG_MPI,&ai->flags))
8228 for( i = 0; i < MAX_FIDS; i++ ) {
8229 ai->fids[i] = transmit_allocate
8230 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8233 ssleep(1); /* Added 12/7/00 */
8234 return status;
8236 #endif /* CISCO_EXT */
8239 This program is free software; you can redistribute it and/or
8240 modify it under the terms of the GNU General Public License
8241 as published by the Free Software Foundation; either version 2
8242 of the License, or (at your option) any later version.
8244 This program is distributed in the hope that it will be useful,
8245 but WITHOUT ANY WARRANTY; without even the implied warranty of
8246 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8247 GNU General Public License for more details.
8249 In addition:
8251 Redistribution and use in source and binary forms, with or without
8252 modification, are permitted provided that the following conditions
8253 are met:
8255 1. Redistributions of source code must retain the above copyright
8256 notice, this list of conditions and the following disclaimer.
8257 2. Redistributions in binary form must reproduce the above copyright
8258 notice, this list of conditions and the following disclaimer in the
8259 documentation and/or other materials provided with the distribution.
8260 3. The name of the author may not be used to endorse or promote
8261 products derived from this software without specific prior written
8262 permission.
8264 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8265 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8266 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8267 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8268 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8269 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8270 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8271 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8272 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8273 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8274 POSSIBILITY OF SUCH DAMAGE.
8277 module_init(airo_init_module);
8278 module_exit(airo_cleanup_module);