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
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/config.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
39 #include <asm/system.h>
41 #include <linux/netdevice.h>
42 #include <linux/etherdevice.h>
43 #include <linux/skbuff.h>
44 #include <linux/if_arp.h>
45 #include <linux/ioport.h>
46 #include <linux/pci.h>
47 #include <asm/uaccess.h>
50 static struct pci_device_id card_ids
[] = {
51 { 0x14b9, 1, PCI_ANY_ID
, PCI_ANY_ID
, },
52 { 0x14b9, 0x4500, PCI_ANY_ID
, PCI_ANY_ID
},
53 { 0x14b9, 0x4800, PCI_ANY_ID
, PCI_ANY_ID
, },
54 { 0x14b9, 0x0340, PCI_ANY_ID
, PCI_ANY_ID
, },
55 { 0x14b9, 0x0350, PCI_ANY_ID
, PCI_ANY_ID
, },
56 { 0x14b9, 0x5000, PCI_ANY_ID
, PCI_ANY_ID
, },
57 { 0x14b9, 0xa504, PCI_ANY_ID
, PCI_ANY_ID
, },
60 MODULE_DEVICE_TABLE(pci
, card_ids
);
62 static int airo_pci_probe(struct pci_dev
*, const struct pci_device_id
*);
63 static void airo_pci_remove(struct pci_dev
*);
64 static int airo_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
);
65 static int airo_pci_resume(struct pci_dev
*pdev
);
67 static struct pci_driver airo_driver
= {
70 .probe
= airo_pci_probe
,
71 .remove
= __devexit_p(airo_pci_remove
),
72 .suspend
= airo_pci_suspend
,
73 .resume
= airo_pci_resume
,
75 #endif /* CONFIG_PCI */
77 /* Include Wireless Extension definition and check version - Jean II */
78 #include <linux/wireless.h>
79 #define WIRELESS_SPY // enable iwspy support
80 #include <net/iw_handler.h> // New driver API
82 #define CISCO_EXT // enable Cisco extensions
84 #include <linux/delay.h>
87 /* Support Cisco MIC feature */
90 #if defined(MICSUPPORT) && !defined(CONFIG_CRYPTO)
91 #warning MIC support requires Crypto API
95 /* Hack to do some power saving */
98 /* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
104 #define IGNLABEL(comment) NULL
105 static char *statsLabels
[] = {
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
208 #define RUN_AT(x) (jiffies+(x))
212 /* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
217 static int basic_rate
;
218 static char *ssids
[3];
224 int maxencrypt
/* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep
/* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap
/* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe
= 1;
234 static int proc_uid
/* = 0 */;
236 static int proc_gid
/* = 0 */;
238 static int airo_perm
= 0555;
240 static int proc_perm
= 0644;
242 MODULE_AUTHOR("Benjamin Reed");
243 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246 MODULE_LICENSE("Dual BSD/GPL");
247 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248 module_param_array(io
, int, NULL
, 0);
249 module_param_array(irq
, int, NULL
, 0);
250 module_param(basic_rate
, int, 0);
251 module_param_array(rates
, int, NULL
, 0);
252 module_param_array(ssids
, charp
, NULL
, 0);
253 module_param(auto_wep
, int, 0);
254 MODULE_PARM_DESC(auto_wep
, "If non-zero, the driver will keep looping through \
255 the authentication options until an association is made. The value of \
256 auto_wep is number of the wep keys to check. A value of 2 will try using \
257 the key at index 0 and index 1.");
258 module_param(aux_bap
, int, 0);
259 MODULE_PARM_DESC(aux_bap
, "If non-zero, the driver will switch into a mode \
260 than seems to work better for older cards with some older buses. Before \
261 switching it checks that the switch is needed.");
262 module_param(maxencrypt
, int, 0);
263 MODULE_PARM_DESC(maxencrypt
, "The maximum speed that the card can do \
264 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265 Older cards used to be limited to 2mbs (4).");
266 module_param(adhoc
, int, 0);
267 MODULE_PARM_DESC(adhoc
, "If non-zero, the card will start in adhoc mode.");
268 module_param(probe
, int, 0);
269 MODULE_PARM_DESC(probe
, "If zero, the driver won't start the card.");
271 module_param(proc_uid
, int, 0);
272 MODULE_PARM_DESC(proc_uid
, "The uid that the /proc files will belong to.");
273 module_param(proc_gid
, int, 0);
274 MODULE_PARM_DESC(proc_gid
, "The gid that the /proc files will belong to.");
275 module_param(airo_perm
, int, 0);
276 MODULE_PARM_DESC(airo_perm
, "The permission bits of /proc/[driver/]aironet.");
277 module_param(proc_perm
, int, 0);
278 MODULE_PARM_DESC(proc_perm
, "The permission bits of the files in /proc");
280 /* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283 static int do8bitIO
= 0;
292 #define MAC_ENABLE 0x0001
293 #define MAC_DISABLE 0x0002
294 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295 #define CMD_SOFTRESET 0x0004
296 #define HOSTSLEEP 0x0005
297 #define CMD_MAGIC_PKT 0x0006
298 #define CMD_SETWAKEMASK 0x0007
299 #define CMD_READCFG 0x0008
300 #define CMD_SETMODE 0x0009
301 #define CMD_ALLOCATETX 0x000a
302 #define CMD_TRANSMIT 0x000b
303 #define CMD_DEALLOCATETX 0x000c
305 #define CMD_WORKAROUND 0x0011
306 #define CMD_ALLOCATEAUX 0x0020
307 #define CMD_ACCESS 0x0021
308 #define CMD_PCIBAP 0x0022
309 #define CMD_PCIAUX 0x0023
310 #define CMD_ALLOCBUF 0x0028
311 #define CMD_GETTLV 0x0029
312 #define CMD_PUTTLV 0x002a
313 #define CMD_DELTLV 0x002b
314 #define CMD_FINDNEXTTLV 0x002c
315 #define CMD_PSPNODES 0x0030
316 #define CMD_SETCW 0x0031
317 #define CMD_SETPCF 0x0032
318 #define CMD_SETPHYREG 0x003e
319 #define CMD_TXTEST 0x003f
320 #define MAC_ENABLETX 0x0101
321 #define CMD_LISTBSS 0x0103
322 #define CMD_SAVECFG 0x0108
323 #define CMD_ENABLEAUX 0x0111
324 #define CMD_WRITERID 0x0121
325 #define CMD_USEPSPNODES 0x0130
326 #define MAC_ENABLERX 0x0201
329 #define ERROR_QUALIF 0x00
330 #define ERROR_ILLCMD 0x01
331 #define ERROR_ILLFMT 0x02
332 #define ERROR_INVFID 0x03
333 #define ERROR_INVRID 0x04
334 #define ERROR_LARGE 0x05
335 #define ERROR_NDISABL 0x06
336 #define ERROR_ALLOCBSY 0x07
337 #define ERROR_NORD 0x0B
338 #define ERROR_NOWR 0x0C
339 #define ERROR_INVFIDTX 0x0D
340 #define ERROR_TESTACT 0x0E
341 #define ERROR_TAGNFND 0x12
342 #define ERROR_DECODE 0x20
343 #define ERROR_DESCUNAV 0x21
344 #define ERROR_BADLEN 0x22
345 #define ERROR_MODE 0x80
346 #define ERROR_HOP 0x81
347 #define ERROR_BINTER 0x82
348 #define ERROR_RXMODE 0x83
349 #define ERROR_MACADDR 0x84
350 #define ERROR_RATES 0x85
351 #define ERROR_ORDER 0x86
352 #define ERROR_SCAN 0x87
353 #define ERROR_AUTH 0x88
354 #define ERROR_PSMODE 0x89
355 #define ERROR_RTYPE 0x8A
356 #define ERROR_DIVER 0x8B
357 #define ERROR_SSID 0x8C
358 #define ERROR_APLIST 0x8D
359 #define ERROR_AUTOWAKE 0x8E
360 #define ERROR_LEAP 0x8F
371 #define LINKSTAT 0x10
375 #define TXALLOCFID 0x22
376 #define TXCOMPLFID 0x24
391 /* Offset into aux memory for descriptors */
392 #define AUX_OFFSET 0x800
393 /* Size of allocated packets */
396 /* Size of the transmit queue */
400 #define BAP0 0 // Used for receiving packets
401 #define BAP1 2 // Used for xmiting packets and working with RIDS
404 #define COMMAND_BUSY 0x8000
406 #define BAP_BUSY 0x8000
407 #define BAP_ERR 0x4000
408 #define BAP_DONE 0x2000
410 #define PROMISC 0xffff
411 #define NOPROMISC 0x0000
414 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_TXEXC 0x04
418 #define EV_ALLOC 0x08
420 #define EV_AWAKE 0x100
421 #define EV_TXCPY 0x400
422 #define EV_UNKNOWN 0x800
423 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424 #define EV_AWAKEN 0x2000
425 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427 #ifdef CHECK_UNKNOWN_INTS
428 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #define IGNORE_INTS (~STATUS_INTS)
437 #define RID_CAPABILITIES 0xFF00
438 #define RID_APINFO 0xFF01
439 #define RID_RADIOINFO 0xFF02
440 #define RID_UNKNOWN3 0xFF03
441 #define RID_RSSI 0xFF04
442 #define RID_CONFIG 0xFF10
443 #define RID_SSID 0xFF11
444 #define RID_APLIST 0xFF12
445 #define RID_DRVNAME 0xFF13
446 #define RID_ETHERENCAP 0xFF14
447 #define RID_WEP_TEMP 0xFF15
448 #define RID_WEP_PERM 0xFF16
449 #define RID_MODULATION 0xFF17
450 #define RID_OPTIONS 0xFF18
451 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452 #define RID_FACTORYCONFIG 0xFF21
453 #define RID_UNKNOWN22 0xFF22
454 #define RID_LEAPUSERNAME 0xFF23
455 #define RID_LEAPPASSWORD 0xFF24
456 #define RID_STATUS 0xFF50
457 #define RID_BEACON_HST 0xFF51
458 #define RID_BUSY_HST 0xFF52
459 #define RID_RETRIES_HST 0xFF53
460 #define RID_UNKNOWN54 0xFF54
461 #define RID_UNKNOWN55 0xFF55
462 #define RID_UNKNOWN56 0xFF56
463 #define RID_MIC 0xFF57
464 #define RID_STATS16 0xFF60
465 #define RID_STATS16DELTA 0xFF61
466 #define RID_STATS16DELTACLEAR 0xFF62
467 #define RID_STATS 0xFF68
468 #define RID_STATSDELTA 0xFF69
469 #define RID_STATSDELTACLEAR 0xFF6A
470 #define RID_ECHOTEST_RID 0xFF70
471 #define RID_ECHOTEST_RESULTS 0xFF71
472 #define RID_BSSLISTFIRST 0xFF72
473 #define RID_BSSLISTNEXT 0xFF73
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
495 /* This is redundant for x86 archs, but it seems necessary for ARM */
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
508 /* These structures are from the Aironet's PC4500 Developers Manual */
522 #define MOD_DEFAULT 0
528 u16 len
; /* sizeof(ConfigRid) */
529 u16 opmode
; /* operating mode */
530 #define MODE_STA_IBSS 0
531 #define MODE_STA_ESS 1
533 #define MODE_AP_RPTR 3
534 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542 #define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode
; /* receive mode */
544 #define RXMODE_BC_MC_ADDR 0
545 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
546 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547 #define RXMODE_RFMON 3 /* wireless monitor mode */
548 #define RXMODE_RFMON_ANYBSS 4
549 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u8 macAddr
[ETH_ALEN
];
558 u16 txLifetime
; /* in kusec */
559 u16 rxLifetime
; /* in kusec */
562 u16 u16deviceType
; /* for overriding device type */
566 /*---------- Scanning/Associating ----------*/
568 #define SCANMODE_ACTIVE 0
569 #define SCANMODE_PASSIVE 1
570 #define SCANMODE_AIROSCAN 2
571 u16 probeDelay
; /* in kusec */
572 u16 probeEnergyTimeout
; /* in kusec */
573 u16 probeResponseTimeout
;
574 u16 beaconListenTimeout
;
578 #define AUTH_OPEN 0x1
579 #define AUTH_ENCRYPT 0x101
580 #define AUTH_SHAREDKEY 0x102
581 #define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout
;
583 u16 specifiedApTimeout
;
584 u16 offlineScanInterval
;
585 u16 offlineScanDuration
;
587 u16 maxBeaconLostTime
;
589 #define DISABLE_REFRESH 0xFFFF
591 /*---------- Power save operation ----------*/
593 #define POWERSAVE_CAM 0
594 #define POWERSAVE_PSP 1
595 #define POWERSAVE_PSPCAM 2
598 u16 fastListenInterval
;
602 /*---------- Ap/Ibss config items ----------*/
611 /*---------- Radio configuration ----------*/
613 #define RADIOTYPE_DEFAULT 0
614 #define RADIOTYPE_802_11 1
615 #define RADIOTYPE_LEGACY 2
619 #define TXPOWER_DEFAULT 0
621 #define RSSI_DEFAULT 0
623 #define PREAMBLE_AUTO 0
624 #define PREAMBLE_LONG 1
625 #define PREAMBLE_SHORT 2
629 /*---------- Aironet Extensions ----------*/
635 /*---------- Aironet Extensions ----------*/
637 #define MAGIC_ACTION_STSCHG 1
638 #define MAGIC_ACTION_RESUME 2
639 #define MAGIC_IGNORE_MCAST (1<<8)
640 #define MAGIC_IGNORE_BCAST (1<<9)
641 #define MAGIC_SWITCH_TO_PSP (0<<10)
642 #define MAGIC_STAY_IN_CAM (1<<10)
656 u8 bssid
[4][ETH_ALEN
];
670 u16 normalizedSignalStrength
;
673 u8 noisePercent
; /* Noise percent in last second */
674 u8 noisedBm
; /* Noise dBm in last second */
675 u8 noiseAvePercent
; /* Noise percent in last minute */
676 u8 noiseAvedBm
; /* Noise dBm in last minute */
677 u8 noiseMaxPercent
; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm
; /* Highest noise dbm in last minute */
682 #define STAT_NOPACKETS 0
683 #define STAT_NOCARRIERSET 10
684 #define STAT_GOTCARRIERSET 11
685 #define STAT_WRONGSSID 20
686 #define STAT_BADCHANNEL 25
687 #define STAT_BADBITRATES 30
688 #define STAT_BADPRIVACY 35
689 #define STAT_APFOUND 40
690 #define STAT_APREJECTED 50
691 #define STAT_AUTHENTICATING 60
692 #define STAT_DEAUTHENTICATED 61
693 #define STAT_AUTHTIMEOUT 62
694 #define STAT_ASSOCIATING 70
695 #define STAT_DEASSOCIATED 71
696 #define STAT_ASSOCTIMEOUT 72
697 #define STAT_NOTAIROAP 73
698 #define STAT_ASSOCIATED 80
699 #define STAT_LEAPING 90
700 #define STAT_LEAPFAILED 91
701 #define STAT_LEAPTIMEDOUT 92
702 #define STAT_LEAPCOMPLETE 93
725 char factoryAddr
[ETH_ALEN
];
726 char aironetAddr
[ETH_ALEN
];
729 char callid
[ETH_ALEN
];
730 char supportedRates
[8];
733 u16 txPowerLevels
[8];
748 u16 index
; /* First is 0 and 0xffff means end of list */
749 #define RADIO_FH 1 /* Frequency hopping radio type */
750 #define RADIO_DS 2 /* Direct sequence radio type */
751 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
753 u8 bssid
[ETH_ALEN
]; /* Mac address of the BSS */
758 #define CAP_ESS (1<<0)
759 #define CAP_IBSS (1<<1)
760 #define CAP_PRIVACY (1<<4)
761 #define CAP_SHORTHDR (1<<5)
764 u8 rates
[8]; /* Same as rates for config rid */
765 struct { /* For frequency hopping only */
819 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
820 #define TXCTL_TXEX (1<<2) /* report if tx fails */
821 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
822 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
823 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
824 #define TXCTL_LLC (1<<4) /* payload is llc */
825 #define TXCTL_RELEASE (0<<5) /* release after completion */
826 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
828 #define BUSY_FID 0x10000
831 #define AIROMAGIC 0xa55a
832 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
833 #ifdef SIOCIWFIRSTPRIV
834 #ifdef SIOCDEVPRIVATE
835 #define AIROOLDIOCTL SIOCDEVPRIVATE
836 #define AIROOLDIDIFC AIROOLDIOCTL + 1
837 #endif /* SIOCDEVPRIVATE */
838 #else /* SIOCIWFIRSTPRIV */
839 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
840 #endif /* SIOCIWFIRSTPRIV */
841 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
842 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
843 * only and don't return the modified struct ifreq to the application which
844 * is usually a problem. - Jean II */
845 #define AIROIOCTL SIOCIWFIRSTPRIV
846 #define AIROIDIFC AIROIOCTL + 1
848 /* Ioctl constants to be used in airo_ioctl.command */
850 #define AIROGCAP 0 // Capability rid
851 #define AIROGCFG 1 // USED A LOT
852 #define AIROGSLIST 2 // System ID list
853 #define AIROGVLIST 3 // List of specified AP's
854 #define AIROGDRVNAM 4 // NOTUSED
855 #define AIROGEHTENC 5 // NOTUSED
856 #define AIROGWEPKTMP 6
857 #define AIROGWEPKNV 7
859 #define AIROGSTATSC32 9
860 #define AIROGSTATSD32 10
861 #define AIROGMICRID 11
862 #define AIROGMICSTATS 12
863 #define AIROGFLAGS 13
866 #define AIRORSWVERSION 17
868 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
870 #define AIROPCAP AIROGSTATSD32 + 40
871 #define AIROPVLIST AIROPCAP + 1
872 #define AIROPSLIST AIROPVLIST + 1
873 #define AIROPCFG AIROPSLIST + 1
874 #define AIROPSIDS AIROPCFG + 1
875 #define AIROPAPLIST AIROPSIDS + 1
876 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
877 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
878 #define AIROPSTCLR AIROPMACOFF + 1
879 #define AIROPWEPKEY AIROPSTCLR + 1
880 #define AIROPWEPKEYNV AIROPWEPKEY + 1
881 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
882 #define AIROPLEAPUSR AIROPLEAPPWD + 1
886 #define AIROFLSHRST AIROPWEPKEYNV + 40
887 #define AIROFLSHGCHR AIROFLSHRST + 1
888 #define AIROFLSHSTFL AIROFLSHGCHR + 1
889 #define AIROFLSHPCHR AIROFLSHSTFL + 1
890 #define AIROFLPUTBUF AIROFLSHPCHR + 1
891 #define AIRORESTART AIROFLPUTBUF + 1
893 #define FLASHSIZE 32768
894 #define AUXMEMSIZE (256 * 1024)
896 typedef struct aironet_ioctl
{
897 unsigned short command
; // What to do
898 unsigned short len
; // Len of data
899 unsigned short ridnum
; // rid number
900 unsigned char __user
*data
; // d-data
903 static char *swversion
= "2.1";
904 #endif /* CISCO_EXT */
906 #define NUM_MODULES 2
907 #define MIC_MSGLEN_MAX 2400
908 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
912 u8 enabled
; // MIC enabled or not
913 u32 rxSuccess
; // successful packets received
914 u32 rxIncorrectMIC
; // pkts dropped due to incorrect MIC comparison
915 u32 rxNotMICed
; // pkts dropped due to not being MIC'd
916 u32 rxMICPlummed
; // pkts dropped due to not having a MIC plummed
917 u32 rxWrongSequence
; // pkts dropped due to sequence number violation
922 u32 coeff
[((EMMH32_MSGLEN_MAX
)+3)>>2];
923 u64 accum
; // accumulated mic, reduced to u32 in final()
924 int position
; // current position (byte offset) in message
928 } part
; // saves partial message word across update() calls
932 emmh32_context seed
; // Context - the seed
933 u32 rx
; // Received sequence number
934 u32 tx
; // Tx sequence number
935 u32 window
; // Start of window
936 u8 valid
; // Flag to say if context is valid or not
941 miccntx mCtx
; // Multicast context
942 miccntx uCtx
; // Unicast context
946 unsigned int rid
: 16;
947 unsigned int len
: 15;
948 unsigned int valid
: 1;
949 dma_addr_t host_addr
;
953 unsigned int offset
: 15;
955 unsigned int len
: 15;
956 unsigned int valid
: 1;
957 dma_addr_t host_addr
;
961 unsigned int ctl
: 15;
963 unsigned int len
: 15;
964 unsigned int valid
: 1;
965 dma_addr_t host_addr
;
969 * Host receive descriptor
972 unsigned char __iomem
*card_ram_off
; /* offset into card memory of the
974 RxFid rx_desc
; /* card receive descriptor */
975 char *virtual_host_addr
; /* virtual address of host receive
981 * Host transmit descriptor
984 unsigned char __iomem
*card_ram_off
; /* offset into card memory of the
986 TxFid tx_desc
; /* card transmit descriptor */
987 char *virtual_host_addr
; /* virtual address of host receive
993 * Host RID descriptor
996 unsigned char __iomem
*card_ram_off
; /* offset into card memory of the
998 Rid rid_desc
; /* card RID descriptor */
999 char *virtual_host_addr
; /* virtual address of host receive
1008 #define HOST_SET (1 << 0)
1009 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1010 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1011 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1012 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1013 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1014 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1015 #define HOST_RTS (1 << 9) /* Force RTS use */
1016 #define HOST_SHORT (1 << 10) /* Do short preamble */
1043 static WifiCtlHdr wifictlhdr8023
= {
1045 .ctl
= HOST_DONT_RLSE
,
1050 // Frequency list (map channels to frequencies)
1051 static const long frequency_list
[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1052 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1054 // A few details needed for WEP (Wireless Equivalent Privacy)
1055 #define MAX_KEY_SIZE 13 // 128 (?) bits
1056 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1057 typedef struct wep_key_t
{
1059 u8 key
[16]; /* 40-bit and 104-bit keys */
1062 /* Backward compatibility */
1063 #ifndef IW_ENCODE_NOKEY
1064 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1065 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1066 #endif /* IW_ENCODE_NOKEY */
1068 /* List of Wireless Handlers (new API) */
1069 static const struct iw_handler_def airo_handler_def
;
1070 #endif /* WIRELESS_EXT */
1072 static const char version
[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1076 static int get_dec_u16( char *buffer
, int *start
, int limit
);
1077 static void OUT4500( struct airo_info
*, u16
register, u16 value
);
1078 static unsigned short IN4500( struct airo_info
*, u16
register );
1079 static u16
setup_card(struct airo_info
*, u8
*mac
, int lock
);
1080 static int enable_MAC( struct airo_info
*ai
, Resp
*rsp
, int lock
);
1081 static void disable_MAC(struct airo_info
*ai
, int lock
);
1082 static void enable_interrupts(struct airo_info
*);
1083 static void disable_interrupts(struct airo_info
*);
1084 static u16
issuecommand(struct airo_info
*, Cmd
*pCmd
, Resp
*pRsp
);
1085 static int bap_setup(struct airo_info
*, u16 rid
, u16 offset
, int whichbap
);
1086 static int aux_bap_read(struct airo_info
*, u16
*pu16Dst
, int bytelen
,
1088 static int fast_bap_read(struct airo_info
*, u16
*pu16Dst
, int bytelen
,
1090 static int bap_write(struct airo_info
*, const u16
*pu16Src
, int bytelen
,
1092 static int PC4500_accessrid(struct airo_info
*, u16 rid
, u16 accmd
);
1093 static int PC4500_readrid(struct airo_info
*, u16 rid
, void *pBuf
, int len
, int lock
);
1094 static int PC4500_writerid(struct airo_info
*, u16 rid
, const void
1095 *pBuf
, int len
, int lock
);
1096 static int do_writerid( struct airo_info
*, u16 rid
, const void *rid_data
,
1097 int len
, int dummy
);
1098 static u16
transmit_allocate(struct airo_info
*, int lenPayload
, int raw
);
1099 static int transmit_802_3_packet(struct airo_info
*, int len
, char *pPacket
);
1100 static int transmit_802_11_packet(struct airo_info
*, int len
, char *pPacket
);
1102 static int mpi_send_packet (struct net_device
*dev
);
1103 static void mpi_unmap_card(struct pci_dev
*pci
);
1104 static void mpi_receive_802_3(struct airo_info
*ai
);
1105 static void mpi_receive_802_11(struct airo_info
*ai
);
1106 static int waitbusy (struct airo_info
*ai
);
1108 static irqreturn_t
airo_interrupt( int irq
, void* dev_id
, struct pt_regs
1110 static int airo_thread(void *data
);
1111 static void timer_func( struct net_device
*dev
);
1112 static int airo_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
);
1114 static struct iw_statistics
*airo_get_wireless_stats (struct net_device
*dev
);
1115 static void airo_read_wireless_stats (struct airo_info
*local
);
1116 #endif /* WIRELESS_EXT */
1118 static int readrids(struct net_device
*dev
, aironet_ioctl
*comp
);
1119 static int writerids(struct net_device
*dev
, aironet_ioctl
*comp
);
1120 static int flashcard(struct net_device
*dev
, aironet_ioctl
*comp
);
1121 #endif /* CISCO_EXT */
1123 static void micinit(struct airo_info
*ai
);
1124 static int micsetup(struct airo_info
*ai
);
1125 static int encapsulate(struct airo_info
*ai
, etherHead
*pPacket
, MICBuffer
*buffer
, int len
);
1126 static int decapsulate(struct airo_info
*ai
, MICBuffer
*mic
, etherHead
*pPacket
, u16 payLen
);
1128 #include <linux/crypto.h>
1132 struct net_device_stats stats
;
1133 struct net_device
*dev
;
1134 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1135 use the high bit to mark whether it is in use. */
1137 #define MPI_MAX_FIDS 1
1140 char keyindex
; // Used with auto wep
1141 char defindex
; // Used with auto wep
1142 struct proc_dir_entry
*proc_entry
;
1143 spinlock_t aux_lock
;
1144 unsigned long flags
;
1145 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1146 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1147 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1148 #define FLAG_RADIO_MASK 0x03
1149 #define FLAG_ENABLED 2
1150 #define FLAG_ADHOC 3 /* Needed by MIC */
1151 #define FLAG_MIC_CAPABLE 4
1152 #define FLAG_UPDATE_MULTI 5
1153 #define FLAG_UPDATE_UNI 6
1154 #define FLAG_802_11 7
1155 #define FLAG_PENDING_XMIT 9
1156 #define FLAG_PENDING_XMIT11 10
1158 #define FLAG_REGISTERED 12
1159 #define FLAG_COMMIT 13
1160 #define FLAG_RESET 14
1161 #define FLAG_FLASHING 15
1162 #define JOB_MASK 0x1ff0000
1165 #define JOB_XMIT11 18
1166 #define JOB_STATS 19
1167 #define JOB_PROMISC 20
1169 #define JOB_EVENT 22
1170 #define JOB_AUTOWEP 23
1171 #define JOB_WSTATS 24
1172 int (*bap_read
)(struct airo_info
*, u16
*pu16Dst
, int bytelen
,
1174 unsigned short *flash
;
1176 struct task_struct
*task
;
1177 struct semaphore sem
;
1179 wait_queue_head_t thr_wait
;
1180 struct completion thr_exited
;
1181 unsigned long expires
;
1183 struct sk_buff
*skb
;
1186 struct net_device
*wifidev
;
1188 struct iw_statistics wstats
; // wireless stats
1189 unsigned long scan_timestamp
; /* Time started to scan */
1190 struct iw_spy_data spy_data
;
1191 struct iw_public_data wireless_data
;
1192 #endif /* WIRELESS_EXT */
1195 struct crypto_tfm
*tfm
;
1197 mic_statistics micstats
;
1199 HostRxDesc rxfids
[MPI_MAX_FIDS
]; // rx/tx/config MPI350 descriptors
1200 HostTxDesc txfids
[MPI_MAX_FIDS
];
1201 HostRidDesc config_desc
;
1202 unsigned long ridbus
; // phys addr of config_desc
1203 struct sk_buff_head txq
;// tx queue used by mpi350 code
1204 struct pci_dev
*pci
;
1205 unsigned char __iomem
*pcimem
;
1206 unsigned char __iomem
*pciaux
;
1207 unsigned char *shared
;
1208 dma_addr_t shared_dma
;
1212 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1213 char proc_name
[IFNAMSIZ
];
1216 static inline int bap_read(struct airo_info
*ai
, u16
*pu16Dst
, int bytelen
,
1218 return ai
->bap_read(ai
, pu16Dst
, bytelen
, whichbap
);
1221 static int setup_proc_entry( struct net_device
*dev
,
1222 struct airo_info
*apriv
);
1223 static int takedown_proc_entry( struct net_device
*dev
,
1224 struct airo_info
*apriv
);
1226 static int cmdreset(struct airo_info
*ai
);
1227 static int setflashmode (struct airo_info
*ai
);
1228 static int flashgchar(struct airo_info
*ai
,int matchbyte
,int dwelltime
);
1229 static int flashputbuf(struct airo_info
*ai
);
1230 static int flashrestart(struct airo_info
*ai
,struct net_device
*dev
);
1233 /***********************************************************************
1235 ***********************************************************************
1238 static int RxSeqValid (struct airo_info
*ai
,miccntx
*context
,int mcast
,u32 micSeq
);
1239 static void MoveWindow(miccntx
*context
, u32 micSeq
);
1240 static void emmh32_setseed(emmh32_context
*context
, u8
*pkey
, int keylen
, struct crypto_tfm
*);
1241 static void emmh32_init(emmh32_context
*context
);
1242 static void emmh32_update(emmh32_context
*context
, u8
*pOctets
, int len
);
1243 static void emmh32_final(emmh32_context
*context
, u8 digest
[4]);
1244 static int flashpchar(struct airo_info
*ai
,int byte
,int dwelltime
);
1246 /* micinit - Initialize mic seed */
1248 static void micinit(struct airo_info
*ai
)
1252 clear_bit(JOB_MIC
, &ai
->flags
);
1253 PC4500_readrid(ai
, RID_MIC
, &mic_rid
, sizeof(mic_rid
), 0);
1256 ai
->micstats
.enabled
= (mic_rid
.state
& 0x00FF) ? 1 : 0;
1258 if (ai
->micstats
.enabled
) {
1259 /* Key must be valid and different */
1260 if (mic_rid
.multicastValid
&& (!ai
->mod
[0].mCtx
.valid
||
1261 (memcmp (ai
->mod
[0].mCtx
.key
, mic_rid
.multicast
,
1262 sizeof(ai
->mod
[0].mCtx
.key
)) != 0))) {
1263 /* Age current mic Context */
1264 memcpy(&ai
->mod
[1].mCtx
,&ai
->mod
[0].mCtx
,sizeof(miccntx
));
1265 /* Initialize new context */
1266 memcpy(&ai
->mod
[0].mCtx
.key
,mic_rid
.multicast
,sizeof(mic_rid
.multicast
));
1267 ai
->mod
[0].mCtx
.window
= 33; //Window always points to the middle
1268 ai
->mod
[0].mCtx
.rx
= 0; //Rx Sequence numbers
1269 ai
->mod
[0].mCtx
.tx
= 0; //Tx sequence numbers
1270 ai
->mod
[0].mCtx
.valid
= 1; //Key is now valid
1272 /* Give key to mic seed */
1273 emmh32_setseed(&ai
->mod
[0].mCtx
.seed
,mic_rid
.multicast
,sizeof(mic_rid
.multicast
), ai
->tfm
);
1276 /* Key must be valid and different */
1277 if (mic_rid
.unicastValid
&& (!ai
->mod
[0].uCtx
.valid
||
1278 (memcmp(ai
->mod
[0].uCtx
.key
, mic_rid
.unicast
,
1279 sizeof(ai
->mod
[0].uCtx
.key
)) != 0))) {
1280 /* Age current mic Context */
1281 memcpy(&ai
->mod
[1].uCtx
,&ai
->mod
[0].uCtx
,sizeof(miccntx
));
1282 /* Initialize new context */
1283 memcpy(&ai
->mod
[0].uCtx
.key
,mic_rid
.unicast
,sizeof(mic_rid
.unicast
));
1285 ai
->mod
[0].uCtx
.window
= 33; //Window always points to the middle
1286 ai
->mod
[0].uCtx
.rx
= 0; //Rx Sequence numbers
1287 ai
->mod
[0].uCtx
.tx
= 0; //Tx sequence numbers
1288 ai
->mod
[0].uCtx
.valid
= 1; //Key is now valid
1290 //Give key to mic seed
1291 emmh32_setseed(&ai
->mod
[0].uCtx
.seed
, mic_rid
.unicast
, sizeof(mic_rid
.unicast
), ai
->tfm
);
1294 /* So next time we have a valid key and mic is enabled, we will update
1295 * the sequence number if the key is the same as before.
1297 ai
->mod
[0].uCtx
.valid
= 0;
1298 ai
->mod
[0].mCtx
.valid
= 0;
1302 /* micsetup - Get ready for business */
1304 static int micsetup(struct airo_info
*ai
) {
1307 if (ai
->tfm
== NULL
)
1308 ai
->tfm
= crypto_alloc_tfm("aes", 0);
1310 if (ai
->tfm
== NULL
) {
1311 printk(KERN_ERR
"airo: failed to load transform for AES\n");
1315 for (i
=0; i
< NUM_MODULES
; i
++) {
1316 memset(&ai
->mod
[i
].mCtx
,0,sizeof(miccntx
));
1317 memset(&ai
->mod
[i
].uCtx
,0,sizeof(miccntx
));
1322 static char micsnap
[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1324 /*===========================================================================
1325 * Description: Mic a packet
1327 * Inputs: etherHead * pointer to an 802.3 frame
1329 * Returns: BOOLEAN if successful, otherwise false.
1330 * PacketTxLen will be updated with the mic'd packets size.
1332 * Caveats: It is assumed that the frame buffer will already
1333 * be big enough to hold the largets mic message possible.
1334 * (No memory allocation is done here).
1336 * Author: sbraneky (10/15/01)
1337 * Merciless hacks by rwilcher (1/14/02)
1340 static int encapsulate(struct airo_info
*ai
,etherHead
*frame
, MICBuffer
*mic
, int payLen
)
1344 // Determine correct context
1345 // If not adhoc, always use unicast key
1347 if (test_bit(FLAG_ADHOC
, &ai
->flags
) && (frame
->da
[0] & 0x1))
1348 context
= &ai
->mod
[0].mCtx
;
1350 context
= &ai
->mod
[0].uCtx
;
1352 if (!context
->valid
)
1355 mic
->typelen
= htons(payLen
+ 16); //Length of Mic'd packet
1357 memcpy(&mic
->u
.snap
, micsnap
, sizeof(micsnap
)); // Add Snap
1360 mic
->seq
= htonl(context
->tx
);
1363 emmh32_init(&context
->seed
); // Mic the packet
1364 emmh32_update(&context
->seed
,frame
->da
,ETH_ALEN
* 2); // DA,SA
1365 emmh32_update(&context
->seed
,(u8
*)&mic
->typelen
,10); // Type/Length and Snap
1366 emmh32_update(&context
->seed
,(u8
*)&mic
->seq
,sizeof(mic
->seq
)); //SEQ
1367 emmh32_update(&context
->seed
,frame
->da
+ ETH_ALEN
* 2,payLen
); //payload
1368 emmh32_final(&context
->seed
, (u8
*)&mic
->mic
);
1370 /* New Type/length ?????????? */
1371 mic
->typelen
= 0; //Let NIC know it could be an oversized packet
1383 /*===========================================================================
1384 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1385 * (removes the MIC stuff) if packet is a valid packet.
1387 * Inputs: etherHead pointer to the 802.3 packet
1389 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1391 * Author: sbraneky (10/15/01)
1392 * Merciless hacks by rwilcher (1/14/02)
1393 *---------------------------------------------------------------------------
1396 static int decapsulate(struct airo_info
*ai
, MICBuffer
*mic
, etherHead
*eth
, u16 payLen
)
1402 mic_error micError
= NONE
;
1404 // Check if the packet is a Mic'd packet
1406 if (!ai
->micstats
.enabled
) {
1407 //No Mic set or Mic OFF but we received a MIC'd packet.
1408 if (memcmp ((u8
*)eth
+ 14, micsnap
, sizeof(micsnap
)) == 0) {
1409 ai
->micstats
.rxMICPlummed
++;
1415 if (ntohs(mic
->typelen
) == 0x888E)
1418 if (memcmp (mic
->u
.snap
, micsnap
, sizeof(micsnap
)) != 0) {
1419 // Mic enabled but packet isn't Mic'd
1420 ai
->micstats
.rxMICPlummed
++;
1424 micSEQ
= ntohl(mic
->seq
); //store SEQ as CPU order
1426 //At this point we a have a mic'd packet and mic is enabled
1427 //Now do the mic error checking.
1429 //Receive seq must be odd
1430 if ( (micSEQ
& 1) == 0 ) {
1431 ai
->micstats
.rxWrongSequence
++;
1435 for (i
= 0; i
< NUM_MODULES
; i
++) {
1436 int mcast
= eth
->da
[0] & 1;
1437 //Determine proper context
1438 context
= mcast
? &ai
->mod
[i
].mCtx
: &ai
->mod
[i
].uCtx
;
1440 //Make sure context is valid
1441 if (!context
->valid
) {
1443 micError
= NOMICPLUMMED
;
1449 mic
->typelen
= htons(payLen
+ sizeof(MICBuffer
) - 2);
1451 emmh32_init(&context
->seed
);
1452 emmh32_update(&context
->seed
, eth
->da
, ETH_ALEN
*2);
1453 emmh32_update(&context
->seed
, (u8
*)&mic
->typelen
, sizeof(mic
->typelen
)+sizeof(mic
->u
.snap
));
1454 emmh32_update(&context
->seed
, (u8
*)&mic
->seq
,sizeof(mic
->seq
));
1455 emmh32_update(&context
->seed
, eth
->da
+ ETH_ALEN
*2,payLen
);
1457 emmh32_final(&context
->seed
, digest
);
1459 if (memcmp(digest
, &mic
->mic
, 4)) { //Make sure the mics match
1462 micError
= INCORRECTMIC
;
1466 //Check Sequence number if mics pass
1467 if (RxSeqValid(ai
, context
, mcast
, micSEQ
) == SUCCESS
) {
1468 ai
->micstats
.rxSuccess
++;
1472 micError
= SEQUENCE
;
1475 // Update statistics
1477 case NOMICPLUMMED
: ai
->micstats
.rxMICPlummed
++; break;
1478 case SEQUENCE
: ai
->micstats
.rxWrongSequence
++; break;
1479 case INCORRECTMIC
: ai
->micstats
.rxIncorrectMIC
++; break;
1486 /*===========================================================================
1487 * Description: Checks the Rx Seq number to make sure it is valid
1488 * and hasn't already been received
1490 * Inputs: miccntx - mic context to check seq against
1491 * micSeq - the Mic seq number
1493 * Returns: TRUE if valid otherwise FALSE.
1495 * Author: sbraneky (10/15/01)
1496 * Merciless hacks by rwilcher (1/14/02)
1497 *---------------------------------------------------------------------------
1500 static int RxSeqValid (struct airo_info
*ai
,miccntx
*context
,int mcast
,u32 micSeq
)
1504 //Allow for the ap being rebooted - if it is then use the next
1505 //sequence number of the current sequence number - might go backwards
1508 if (test_bit(FLAG_UPDATE_MULTI
, &ai
->flags
)) {
1509 clear_bit (FLAG_UPDATE_MULTI
, &ai
->flags
);
1510 context
->window
= (micSeq
> 33) ? micSeq
: 33;
1511 context
->rx
= 0; // Reset rx
1513 } else if (test_bit(FLAG_UPDATE_UNI
, &ai
->flags
)) {
1514 clear_bit (FLAG_UPDATE_UNI
, &ai
->flags
);
1515 context
->window
= (micSeq
> 33) ? micSeq
: 33; // Move window
1516 context
->rx
= 0; // Reset rx
1519 //Make sequence number relative to START of window
1520 seq
= micSeq
- (context
->window
- 33);
1522 //Too old of a SEQ number to check.
1527 //Window is infinite forward
1528 MoveWindow(context
,micSeq
);
1532 // We are in the window. Now check the context rx bit to see if it was already sent
1533 seq
>>= 1; //divide by 2 because we only have odd numbers
1534 index
= 1 << seq
; //Get an index number
1536 if (!(context
->rx
& index
)) {
1537 //micSEQ falls inside the window.
1538 //Add seqence number to the list of received numbers.
1539 context
->rx
|= index
;
1541 MoveWindow(context
,micSeq
);
1548 static void MoveWindow(miccntx
*context
, u32 micSeq
)
1552 //Move window if seq greater than the middle of the window
1553 if (micSeq
> context
->window
) {
1554 shift
= (micSeq
- context
->window
) >> 1;
1558 context
->rx
>>= shift
;
1562 context
->window
= micSeq
; //Move window
1566 /*==============================================*/
1567 /*========== EMMH ROUTINES ====================*/
1568 /*==============================================*/
1570 /* mic accumulate */
1571 #define MIC_ACCUM(val) \
1572 context->accum += (u64)(val) * context->coeff[coeff_position++];
1574 static unsigned char aes_counter
[16];
1576 /* expand the key to fill the MMH coefficient array */
1577 static void emmh32_setseed(emmh32_context
*context
, u8
*pkey
, int keylen
, struct crypto_tfm
*tfm
)
1579 /* take the keying material, expand if necessary, truncate at 16-bytes */
1580 /* run through AES counter mode to generate context->coeff[] */
1584 u8
*cipher
, plain
[16];
1585 struct scatterlist sg
[1];
1587 crypto_cipher_setkey(tfm
, pkey
, 16);
1589 for (i
= 0; i
< (sizeof(context
->coeff
)/sizeof(context
->coeff
[0])); ) {
1590 aes_counter
[15] = (u8
)(counter
>> 0);
1591 aes_counter
[14] = (u8
)(counter
>> 8);
1592 aes_counter
[13] = (u8
)(counter
>> 16);
1593 aes_counter
[12] = (u8
)(counter
>> 24);
1595 memcpy (plain
, aes_counter
, 16);
1596 sg
[0].page
= virt_to_page(plain
);
1597 sg
[0].offset
= ((long) plain
& ~PAGE_MASK
);
1599 crypto_cipher_encrypt(tfm
, sg
, sg
, 16);
1600 cipher
= kmap(sg
[0].page
) + sg
[0].offset
;
1601 for (j
=0; (j
<16) && (i
< (sizeof(context
->coeff
)/sizeof(context
->coeff
[0]))); ) {
1602 context
->coeff
[i
++] = ntohl(*(u32
*)&cipher
[j
]);
1608 /* prepare for calculation of a new mic */
1609 static void emmh32_init(emmh32_context
*context
)
1611 /* prepare for new mic calculation */
1613 context
->position
= 0;
1616 /* add some bytes to the mic calculation */
1617 static void emmh32_update(emmh32_context
*context
, u8
*pOctets
, int len
)
1619 int coeff_position
, byte_position
;
1621 if (len
== 0) return;
1623 coeff_position
= context
->position
>> 2;
1625 /* deal with partial 32-bit word left over from last update */
1626 byte_position
= context
->position
& 3;
1627 if (byte_position
) {
1628 /* have a partial word in part to deal with */
1630 if (len
== 0) return;
1631 context
->part
.d8
[byte_position
++] = *pOctets
++;
1632 context
->position
++;
1634 } while (byte_position
< 4);
1635 MIC_ACCUM(htonl(context
->part
.d32
));
1638 /* deal with full 32-bit words */
1640 MIC_ACCUM(htonl(*(u32
*)pOctets
));
1641 context
->position
+= 4;
1646 /* deal with partial 32-bit word that will be left over from this update */
1649 context
->part
.d8
[byte_position
++] = *pOctets
++;
1650 context
->position
++;
1655 /* mask used to zero empty bytes for final partial word */
1656 static u32 mask32
[4] = { 0x00000000L
, 0xFF000000L
, 0xFFFF0000L
, 0xFFFFFF00L
};
1658 /* calculate the mic */
1659 static void emmh32_final(emmh32_context
*context
, u8 digest
[4])
1661 int coeff_position
, byte_position
;
1667 coeff_position
= context
->position
>> 2;
1669 /* deal with partial 32-bit word left over from last update */
1670 byte_position
= context
->position
& 3;
1671 if (byte_position
) {
1672 /* have a partial word in part to deal with */
1673 val
= htonl(context
->part
.d32
);
1674 MIC_ACCUM(val
& mask32
[byte_position
]); /* zero empty bytes */
1677 /* reduce the accumulated u64 to a 32-bit MIC */
1678 sum
= context
->accum
;
1679 stmp
= (sum
& 0xffffffffLL
) - ((sum
>> 32) * 15);
1680 utmp
= (stmp
& 0xffffffffLL
) - ((stmp
>> 32) * 15);
1681 sum
= utmp
& 0xffffffffLL
;
1682 if (utmp
> 0x10000000fLL
)
1686 digest
[0] = (val
>>24) & 0xFF;
1687 digest
[1] = (val
>>16) & 0xFF;
1688 digest
[2] = (val
>>8) & 0xFF;
1689 digest
[3] = val
& 0xFF;
1693 static int readBSSListRid(struct airo_info
*ai
, int first
,
1700 if (ai
->flags
& FLAG_RADIO_MASK
) return -ENETDOWN
;
1701 memset(&cmd
, 0, sizeof(cmd
));
1702 cmd
.cmd
=CMD_LISTBSS
;
1703 if (down_interruptible(&ai
->sem
))
1704 return -ERESTARTSYS
;
1705 issuecommand(ai
, &cmd
, &rsp
);
1707 /* Let the command take effect */
1712 rc
= PC4500_readrid(ai
, first
? RID_BSSLISTFIRST
: RID_BSSLISTNEXT
,
1713 list
, sizeof(*list
), 1);
1715 list
->len
= le16_to_cpu(list
->len
);
1716 list
->index
= le16_to_cpu(list
->index
);
1717 list
->radioType
= le16_to_cpu(list
->radioType
);
1718 list
->cap
= le16_to_cpu(list
->cap
);
1719 list
->beaconInterval
= le16_to_cpu(list
->beaconInterval
);
1720 list
->fh
.dwell
= le16_to_cpu(list
->fh
.dwell
);
1721 list
->dsChannel
= le16_to_cpu(list
->dsChannel
);
1722 list
->atimWindow
= le16_to_cpu(list
->atimWindow
);
1726 static int readWepKeyRid(struct airo_info
*ai
, WepKeyRid
*wkr
, int temp
, int lock
) {
1727 int rc
= PC4500_readrid(ai
, temp
? RID_WEP_TEMP
: RID_WEP_PERM
,
1728 wkr
, sizeof(*wkr
), lock
);
1730 wkr
->len
= le16_to_cpu(wkr
->len
);
1731 wkr
->kindex
= le16_to_cpu(wkr
->kindex
);
1732 wkr
->klen
= le16_to_cpu(wkr
->klen
);
1735 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1736 * the originals when we endian them... */
1737 static int writeWepKeyRid(struct airo_info
*ai
, WepKeyRid
*pwkr
, int perm
, int lock
) {
1739 WepKeyRid wkr
= *pwkr
;
1741 wkr
.len
= cpu_to_le16(wkr
.len
);
1742 wkr
.kindex
= cpu_to_le16(wkr
.kindex
);
1743 wkr
.klen
= cpu_to_le16(wkr
.klen
);
1744 rc
= PC4500_writerid(ai
, RID_WEP_TEMP
, &wkr
, sizeof(wkr
), lock
);
1745 if (rc
!=SUCCESS
) printk(KERN_ERR
"airo: WEP_TEMP set %x\n", rc
);
1747 rc
= PC4500_writerid(ai
, RID_WEP_PERM
, &wkr
, sizeof(wkr
), lock
);
1749 printk(KERN_ERR
"airo: WEP_PERM set %x\n", rc
);
1755 static int readSsidRid(struct airo_info
*ai
, SsidRid
*ssidr
) {
1757 int rc
= PC4500_readrid(ai
, RID_SSID
, ssidr
, sizeof(*ssidr
), 1);
1759 ssidr
->len
= le16_to_cpu(ssidr
->len
);
1760 for(i
= 0; i
< 3; i
++) {
1761 ssidr
->ssids
[i
].len
= le16_to_cpu(ssidr
->ssids
[i
].len
);
1765 static int writeSsidRid(struct airo_info
*ai
, SsidRid
*pssidr
, int lock
) {
1768 SsidRid ssidr
= *pssidr
;
1770 ssidr
.len
= cpu_to_le16(ssidr
.len
);
1771 for(i
= 0; i
< 3; i
++) {
1772 ssidr
.ssids
[i
].len
= cpu_to_le16(ssidr
.ssids
[i
].len
);
1774 rc
= PC4500_writerid(ai
, RID_SSID
, &ssidr
, sizeof(ssidr
), lock
);
1777 static int readConfigRid(struct airo_info
*ai
, int lock
) {
1785 rc
= PC4500_readrid(ai
, RID_ACTUALCONFIG
, &cfg
, sizeof(cfg
), lock
);
1789 for(s
= &cfg
.len
; s
<= &cfg
.rtsThres
; s
++) *s
= le16_to_cpu(*s
);
1791 for(s
= &cfg
.shortRetryLimit
; s
<= &cfg
.radioType
; s
++)
1792 *s
= le16_to_cpu(*s
);
1794 for(s
= &cfg
.txPower
; s
<= &cfg
.radioSpecific
; s
++)
1795 *s
= le16_to_cpu(*s
);
1797 for(s
= &cfg
.arlThreshold
; s
<= &cfg
._reserved4
[0]; s
++)
1798 *s
= cpu_to_le16(*s
);
1800 for(s
= &cfg
.autoWake
; s
<= &cfg
.autoWake
; s
++)
1801 *s
= cpu_to_le16(*s
);
1806 static inline void checkThrottle(struct airo_info
*ai
) {
1808 /* Old hardware had a limit on encryption speed */
1809 if (ai
->config
.authType
!= AUTH_OPEN
&& maxencrypt
) {
1810 for(i
=0; i
<8; i
++) {
1811 if (ai
->config
.rates
[i
] > maxencrypt
) {
1812 ai
->config
.rates
[i
] = 0;
1817 static int writeConfigRid(struct airo_info
*ai
, int lock
) {
1821 if (!test_bit (FLAG_COMMIT
, &ai
->flags
))
1824 clear_bit (FLAG_COMMIT
, &ai
->flags
);
1825 clear_bit (FLAG_RESET
, &ai
->flags
);
1829 if ((cfgr
.opmode
& 0xFF) == MODE_STA_IBSS
)
1830 set_bit(FLAG_ADHOC
, &ai
->flags
);
1832 clear_bit(FLAG_ADHOC
, &ai
->flags
);
1834 for(s
= &cfgr
.len
; s
<= &cfgr
.rtsThres
; s
++) *s
= cpu_to_le16(*s
);
1836 for(s
= &cfgr
.shortRetryLimit
; s
<= &cfgr
.radioType
; s
++)
1837 *s
= cpu_to_le16(*s
);
1839 for(s
= &cfgr
.txPower
; s
<= &cfgr
.radioSpecific
; s
++)
1840 *s
= cpu_to_le16(*s
);
1842 for(s
= &cfgr
.arlThreshold
; s
<= &cfgr
._reserved4
[0]; s
++)
1843 *s
= cpu_to_le16(*s
);
1845 for(s
= &cfgr
.autoWake
; s
<= &cfgr
.autoWake
; s
++)
1846 *s
= cpu_to_le16(*s
);
1848 return PC4500_writerid( ai
, RID_CONFIG
, &cfgr
, sizeof(cfgr
), lock
);
1850 static int readStatusRid(struct airo_info
*ai
, StatusRid
*statr
, int lock
) {
1851 int rc
= PC4500_readrid(ai
, RID_STATUS
, statr
, sizeof(*statr
), lock
);
1854 statr
->len
= le16_to_cpu(statr
->len
);
1855 for(s
= &statr
->mode
; s
<= &statr
->SSIDlen
; s
++) *s
= le16_to_cpu(*s
);
1857 for(s
= &statr
->beaconPeriod
; s
<= &statr
->shortPreamble
; s
++)
1858 *s
= le16_to_cpu(*s
);
1859 statr
->load
= le16_to_cpu(statr
->load
);
1860 statr
->assocStatus
= le16_to_cpu(statr
->assocStatus
);
1863 static int readAPListRid(struct airo_info
*ai
, APListRid
*aplr
) {
1864 int rc
= PC4500_readrid(ai
, RID_APLIST
, aplr
, sizeof(*aplr
), 1);
1865 aplr
->len
= le16_to_cpu(aplr
->len
);
1868 static int writeAPListRid(struct airo_info
*ai
, APListRid
*aplr
, int lock
) {
1870 aplr
->len
= cpu_to_le16(aplr
->len
);
1871 rc
= PC4500_writerid(ai
, RID_APLIST
, aplr
, sizeof(*aplr
), lock
);
1874 static int readCapabilityRid(struct airo_info
*ai
, CapabilityRid
*capr
, int lock
) {
1875 int rc
= PC4500_readrid(ai
, RID_CAPABILITIES
, capr
, sizeof(*capr
), lock
);
1878 capr
->len
= le16_to_cpu(capr
->len
);
1879 capr
->prodNum
= le16_to_cpu(capr
->prodNum
);
1880 capr
->radioType
= le16_to_cpu(capr
->radioType
);
1881 capr
->country
= le16_to_cpu(capr
->country
);
1882 for(s
= &capr
->txPowerLevels
[0]; s
<= &capr
->requiredHard
; s
++)
1883 *s
= le16_to_cpu(*s
);
1886 static int readStatsRid(struct airo_info
*ai
, StatsRid
*sr
, int rid
, int lock
) {
1887 int rc
= PC4500_readrid(ai
, rid
, sr
, sizeof(*sr
), lock
);
1890 sr
->len
= le16_to_cpu(sr
->len
);
1891 for(i
= &sr
->vals
[0]; i
<= &sr
->vals
[99]; i
++) *i
= le32_to_cpu(*i
);
1895 static int airo_open(struct net_device
*dev
) {
1896 struct airo_info
*info
= dev
->priv
;
1899 if (test_bit(FLAG_FLASHING
, &info
->flags
))
1902 /* Make sure the card is configured.
1903 * Wireless Extensions may postpone config changes until the card
1904 * is open (to pipeline changes and speed-up card setup). If
1905 * those changes are not yet commited, do it now - Jean II */
1906 if (test_bit (FLAG_COMMIT
, &info
->flags
)) {
1907 disable_MAC(info
, 1);
1908 writeConfigRid(info
, 1);
1911 if (info
->wifidev
!= dev
) {
1912 /* Power on the MAC controller (which may have been disabled) */
1913 clear_bit(FLAG_RADIO_DOWN
, &info
->flags
);
1914 enable_interrupts(info
);
1916 enable_MAC(info
, &rsp
, 1);
1918 netif_start_queue(dev
);
1922 static int mpi_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
) {
1923 int npacks
, pending
;
1924 unsigned long flags
;
1925 struct airo_info
*ai
= dev
->priv
;
1928 printk(KERN_ERR
"airo: %s: skb==NULL\n",__FUNCTION__
);
1931 npacks
= skb_queue_len (&ai
->txq
);
1933 if (npacks
>= MAXTXQ
- 1) {
1934 netif_stop_queue (dev
);
1935 if (npacks
> MAXTXQ
) {
1936 ai
->stats
.tx_fifo_errors
++;
1939 skb_queue_tail (&ai
->txq
, skb
);
1943 spin_lock_irqsave(&ai
->aux_lock
, flags
);
1944 skb_queue_tail (&ai
->txq
, skb
);
1945 pending
= test_bit(FLAG_PENDING_XMIT
, &ai
->flags
);
1946 spin_unlock_irqrestore(&ai
->aux_lock
,flags
);
1947 netif_wake_queue (dev
);
1950 set_bit(FLAG_PENDING_XMIT
, &ai
->flags
);
1951 mpi_send_packet (dev
);
1959 * Attempt to transmit a packet. Can be called from interrupt
1960 * or transmit . return number of packets we tried to send
1963 static int mpi_send_packet (struct net_device
*dev
)
1965 struct sk_buff
*skb
;
1966 unsigned char *buffer
;
1967 s16 len
, *payloadLen
;
1968 struct airo_info
*ai
= dev
->priv
;
1971 /* get a packet to send */
1973 if ((skb
= skb_dequeue(&ai
->txq
)) == 0) {
1975 "airo: %s: Dequeue'd zero in send_packet()\n",
1980 /* check min length*/
1981 len
= ETH_ZLEN
< skb
->len
? skb
->len
: ETH_ZLEN
;
1984 ai
->txfids
[0].tx_desc
.offset
= 0;
1985 ai
->txfids
[0].tx_desc
.valid
= 1;
1986 ai
->txfids
[0].tx_desc
.eoc
= 1;
1987 ai
->txfids
[0].tx_desc
.len
=len
+sizeof(WifiHdr
);
1990 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1991 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1992 * is immediatly after it. ------------------------------------------------
1993 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1994 * ------------------------------------------------
1997 memcpy((char *)ai
->txfids
[0].virtual_host_addr
,
1998 (char *)&wifictlhdr8023
, sizeof(wifictlhdr8023
));
2000 payloadLen
= (s16
*)(ai
->txfids
[0].virtual_host_addr
+
2001 sizeof(wifictlhdr8023
));
2002 sendbuf
= ai
->txfids
[0].virtual_host_addr
+
2003 sizeof(wifictlhdr8023
) + 2 ;
2006 * Firmware automaticly puts 802 header on so
2007 * we don't need to account for it in the length
2010 if (test_bit(FLAG_MIC_CAPABLE
, &ai
->flags
) && ai
->micstats
.enabled
&&
2011 (ntohs(((u16
*)buffer
)[6]) != 0x888E)) {
2014 if (encapsulate(ai
, (etherHead
*)buffer
, &pMic
, len
- sizeof(etherHead
)) != SUCCESS
)
2017 *payloadLen
= cpu_to_le16(len
-sizeof(etherHead
)+sizeof(pMic
));
2018 ai
->txfids
[0].tx_desc
.len
+= sizeof(pMic
);
2019 /* copy data into airo dma buffer */
2020 memcpy (sendbuf
, buffer
, sizeof(etherHead
));
2021 buffer
+= sizeof(etherHead
);
2022 sendbuf
+= sizeof(etherHead
);
2023 memcpy (sendbuf
, &pMic
, sizeof(pMic
));
2024 sendbuf
+= sizeof(pMic
);
2025 memcpy (sendbuf
, buffer
, len
- sizeof(etherHead
));
2029 *payloadLen
= cpu_to_le16(len
- sizeof(etherHead
));
2031 dev
->trans_start
= jiffies
;
2033 /* copy data into airo dma buffer */
2034 memcpy(sendbuf
, buffer
, len
);
2037 memcpy_toio(ai
->txfids
[0].card_ram_off
,
2038 &ai
->txfids
[0].tx_desc
, sizeof(TxFid
));
2040 OUT4500(ai
, EVACK
, 8);
2042 dev_kfree_skb_any(skb
);
2046 static void get_tx_error(struct airo_info
*ai
, u32 fid
)
2051 status
= ((WifiCtlHdr
*)ai
->txfids
[0].virtual_host_addr
)->ctlhdr
.status
;
2053 if (bap_setup(ai
, ai
->fids
[fid
] & 0xffff, 4, BAP0
) != SUCCESS
)
2055 bap_read(ai
, &status
, 2, BAP0
);
2057 if (le16_to_cpu(status
) & 2) /* Too many retries */
2058 ai
->stats
.tx_aborted_errors
++;
2059 if (le16_to_cpu(status
) & 4) /* Transmit lifetime exceeded */
2060 ai
->stats
.tx_heartbeat_errors
++;
2061 if (le16_to_cpu(status
) & 8) /* Aid fail */
2063 if (le16_to_cpu(status
) & 0x10) /* MAC disabled */
2064 ai
->stats
.tx_carrier_errors
++;
2065 if (le16_to_cpu(status
) & 0x20) /* Association lost */
2067 /* We produce a TXDROP event only for retry or lifetime
2068 * exceeded, because that's the only status that really mean
2069 * that this particular node went away.
2070 * Other errors means that *we* screwed up. - Jean II */
2071 if ((le16_to_cpu(status
) & 2) ||
2072 (le16_to_cpu(status
) & 4)) {
2073 union iwreq_data wrqu
;
2076 /* Faster to skip over useless data than to do
2077 * another bap_setup(). We are at offset 0x6 and
2078 * need to go to 0x18 and read 6 bytes - Jean II */
2079 bap_read(ai
, (u16
*) junk
, 0x18, BAP0
);
2081 /* Copy 802.11 dest address.
2082 * We use the 802.11 header because the frame may
2083 * not be 802.3 or may be mangled...
2084 * In Ad-Hoc mode, it will be the node address.
2085 * In managed mode, it will be most likely the AP addr
2086 * User space will figure out how to convert it to
2087 * whatever it needs (IP address or else).
2089 memcpy(wrqu
.addr
.sa_data
, junk
+ 0x12, ETH_ALEN
);
2090 wrqu
.addr
.sa_family
= ARPHRD_ETHER
;
2092 /* Send event to user space */
2093 wireless_send_event(ai
->dev
, IWEVTXDROP
, &wrqu
, NULL
);
2097 static void airo_end_xmit(struct net_device
*dev
) {
2100 struct airo_info
*priv
= dev
->priv
;
2101 struct sk_buff
*skb
= priv
->xmit
.skb
;
2102 int fid
= priv
->xmit
.fid
;
2103 u32
*fids
= priv
->fids
;
2105 clear_bit(JOB_XMIT
, &priv
->flags
);
2106 clear_bit(FLAG_PENDING_XMIT
, &priv
->flags
);
2107 status
= transmit_802_3_packet (priv
, fids
[fid
], skb
->data
);
2111 if ( status
== SUCCESS
) {
2112 dev
->trans_start
= jiffies
;
2113 for (; i
< MAX_FIDS
/ 2 && (priv
->fids
[i
] & 0xffff0000); i
++);
2115 priv
->fids
[fid
] &= 0xffff;
2116 priv
->stats
.tx_window_errors
++;
2118 if (i
< MAX_FIDS
/ 2)
2119 netif_wake_queue(dev
);
2123 static int airo_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
) {
2126 struct airo_info
*priv
= dev
->priv
;
2127 u32
*fids
= priv
->fids
;
2129 if ( skb
== NULL
) {
2130 printk( KERN_ERR
"airo: skb == NULL!!!\n" );
2134 /* Find a vacant FID */
2135 for( i
= 0; i
< MAX_FIDS
/ 2 && (fids
[i
] & 0xffff0000); i
++ );
2136 for( j
= i
+ 1; j
< MAX_FIDS
/ 2 && (fids
[j
] & 0xffff0000); j
++ );
2138 if ( j
>= MAX_FIDS
/ 2 ) {
2139 netif_stop_queue(dev
);
2141 if (i
== MAX_FIDS
/ 2) {
2142 priv
->stats
.tx_fifo_errors
++;
2146 /* check min length*/
2147 len
= ETH_ZLEN
< skb
->len
? skb
->len
: ETH_ZLEN
;
2148 /* Mark fid as used & save length for later */
2149 fids
[i
] |= (len
<< 16);
2150 priv
->xmit
.skb
= skb
;
2152 if (down_trylock(&priv
->sem
) != 0) {
2153 set_bit(FLAG_PENDING_XMIT
, &priv
->flags
);
2154 netif_stop_queue(dev
);
2155 set_bit(JOB_XMIT
, &priv
->flags
);
2156 wake_up_interruptible(&priv
->thr_wait
);
2162 static void airo_end_xmit11(struct net_device
*dev
) {
2165 struct airo_info
*priv
= dev
->priv
;
2166 struct sk_buff
*skb
= priv
->xmit11
.skb
;
2167 int fid
= priv
->xmit11
.fid
;
2168 u32
*fids
= priv
->fids
;
2170 clear_bit(JOB_XMIT11
, &priv
->flags
);
2171 clear_bit(FLAG_PENDING_XMIT11
, &priv
->flags
);
2172 status
= transmit_802_11_packet (priv
, fids
[fid
], skb
->data
);
2176 if ( status
== SUCCESS
) {
2177 dev
->trans_start
= jiffies
;
2178 for (; i
< MAX_FIDS
&& (priv
->fids
[i
] & 0xffff0000); i
++);
2180 priv
->fids
[fid
] &= 0xffff;
2181 priv
->stats
.tx_window_errors
++;
2184 netif_wake_queue(dev
);
2188 static int airo_start_xmit11(struct sk_buff
*skb
, struct net_device
*dev
) {
2191 struct airo_info
*priv
= dev
->priv
;
2192 u32
*fids
= priv
->fids
;
2194 if (test_bit(FLAG_MPI
, &priv
->flags
)) {
2195 /* Not implemented yet for MPI350 */
2196 netif_stop_queue(dev
);
2200 if ( skb
== NULL
) {
2201 printk( KERN_ERR
"airo: skb == NULL!!!\n" );
2205 /* Find a vacant FID */
2206 for( i
= MAX_FIDS
/ 2; i
< MAX_FIDS
&& (fids
[i
] & 0xffff0000); i
++ );
2207 for( j
= i
+ 1; j
< MAX_FIDS
&& (fids
[j
] & 0xffff0000); j
++ );
2209 if ( j
>= MAX_FIDS
) {
2210 netif_stop_queue(dev
);
2212 if (i
== MAX_FIDS
) {
2213 priv
->stats
.tx_fifo_errors
++;
2217 /* check min length*/
2218 len
= ETH_ZLEN
< skb
->len
? skb
->len
: ETH_ZLEN
;
2219 /* Mark fid as used & save length for later */
2220 fids
[i
] |= (len
<< 16);
2221 priv
->xmit11
.skb
= skb
;
2222 priv
->xmit11
.fid
= i
;
2223 if (down_trylock(&priv
->sem
) != 0) {
2224 set_bit(FLAG_PENDING_XMIT11
, &priv
->flags
);
2225 netif_stop_queue(dev
);
2226 set_bit(JOB_XMIT11
, &priv
->flags
);
2227 wake_up_interruptible(&priv
->thr_wait
);
2229 airo_end_xmit11(dev
);
2233 static void airo_read_stats(struct airo_info
*ai
) {
2235 u32
*vals
= stats_rid
.vals
;
2237 clear_bit(JOB_STATS
, &ai
->flags
);
2242 readStatsRid(ai
, &stats_rid
, RID_STATS
, 0);
2245 ai
->stats
.rx_packets
= vals
[43] + vals
[44] + vals
[45];
2246 ai
->stats
.tx_packets
= vals
[39] + vals
[40] + vals
[41];
2247 ai
->stats
.rx_bytes
= vals
[92];
2248 ai
->stats
.tx_bytes
= vals
[91];
2249 ai
->stats
.rx_errors
= vals
[0] + vals
[2] + vals
[3] + vals
[4];
2250 ai
->stats
.tx_errors
= vals
[42] + ai
->stats
.tx_fifo_errors
;
2251 ai
->stats
.multicast
= vals
[43];
2252 ai
->stats
.collisions
= vals
[89];
2254 /* detailed rx_errors: */
2255 ai
->stats
.rx_length_errors
= vals
[3];
2256 ai
->stats
.rx_crc_errors
= vals
[4];
2257 ai
->stats
.rx_frame_errors
= vals
[2];
2258 ai
->stats
.rx_fifo_errors
= vals
[0];
2261 static struct net_device_stats
*airo_get_stats(struct net_device
*dev
)
2263 struct airo_info
*local
= dev
->priv
;
2265 if (!test_bit(JOB_STATS
, &local
->flags
)) {
2266 /* Get stats out of the card if available */
2267 if (down_trylock(&local
->sem
) != 0) {
2268 set_bit(JOB_STATS
, &local
->flags
);
2269 wake_up_interruptible(&local
->thr_wait
);
2271 airo_read_stats(local
);
2274 return &local
->stats
;
2277 static void airo_set_promisc(struct airo_info
*ai
) {
2281 memset(&cmd
, 0, sizeof(cmd
));
2282 cmd
.cmd
=CMD_SETMODE
;
2283 clear_bit(JOB_PROMISC
, &ai
->flags
);
2284 cmd
.parm0
=(ai
->flags
&IFF_PROMISC
) ? PROMISC
: NOPROMISC
;
2285 issuecommand(ai
, &cmd
, &rsp
);
2289 static void airo_set_multicast_list(struct net_device
*dev
) {
2290 struct airo_info
*ai
= dev
->priv
;
2292 if ((dev
->flags
^ ai
->flags
) & IFF_PROMISC
) {
2293 change_bit(FLAG_PROMISC
, &ai
->flags
);
2294 if (down_trylock(&ai
->sem
) != 0) {
2295 set_bit(JOB_PROMISC
, &ai
->flags
);
2296 wake_up_interruptible(&ai
->thr_wait
);
2298 airo_set_promisc(ai
);
2301 if ((dev
->flags
&IFF_ALLMULTI
)||dev
->mc_count
>0) {
2302 /* Turn on multicast. (Should be already setup...) */
2306 static int airo_set_mac_address(struct net_device
*dev
, void *p
)
2308 struct airo_info
*ai
= dev
->priv
;
2309 struct sockaddr
*addr
= p
;
2312 readConfigRid(ai
, 1);
2313 memcpy (ai
->config
.macAddr
, addr
->sa_data
, dev
->addr_len
);
2314 set_bit (FLAG_COMMIT
, &ai
->flags
);
2316 writeConfigRid (ai
, 1);
2317 enable_MAC(ai
, &rsp
, 1);
2318 memcpy (ai
->dev
->dev_addr
, addr
->sa_data
, dev
->addr_len
);
2320 memcpy (ai
->wifidev
->dev_addr
, addr
->sa_data
, dev
->addr_len
);
2324 static int airo_change_mtu(struct net_device
*dev
, int new_mtu
)
2326 if ((new_mtu
< 68) || (new_mtu
> 2400))
2333 static int airo_close(struct net_device
*dev
) {
2334 struct airo_info
*ai
= dev
->priv
;
2336 netif_stop_queue(dev
);
2338 if (ai
->wifidev
!= dev
) {
2339 #ifdef POWER_ON_DOWN
2340 /* Shut power to the card. The idea is that the user can save
2341 * power when he doesn't need the card with "ifconfig down".
2342 * That's the method that is most friendly towards the network
2343 * stack (i.e. the network stack won't try to broadcast
2344 * anything on the interface and routes are gone. Jean II */
2345 set_bit(FLAG_RADIO_DOWN
, &ai
->flags
);
2348 disable_interrupts( ai
);
2353 static void del_airo_dev( struct net_device
*dev
);
2355 void stop_airo_card( struct net_device
*dev
, int freeres
)
2357 struct airo_info
*ai
= dev
->priv
;
2359 set_bit(FLAG_RADIO_DOWN
, &ai
->flags
);
2361 disable_interrupts(ai
);
2362 free_irq( dev
->irq
, dev
);
2363 takedown_proc_entry( dev
, ai
);
2364 if (test_bit(FLAG_REGISTERED
, &ai
->flags
)) {
2365 unregister_netdev( dev
);
2367 unregister_netdev(ai
->wifidev
);
2368 free_netdev(ai
->wifidev
);
2371 clear_bit(FLAG_REGISTERED
, &ai
->flags
);
2373 set_bit(JOB_DIE
, &ai
->flags
);
2374 kill_proc(ai
->thr_pid
, SIGTERM
, 1);
2375 wait_for_completion(&ai
->thr_exited
);
2378 * Clean out tx queue
2380 if (test_bit(FLAG_MPI
, &ai
->flags
) && skb_queue_len (&ai
->txq
) > 0) {
2381 struct sk_buff
*skb
= NULL
;
2382 for (;(skb
= skb_dequeue(&ai
->txq
));)
2395 /* PCMCIA frees this stuff, so only for PCI and ISA */
2396 release_region( dev
->base_addr
, 64 );
2397 if (test_bit(FLAG_MPI
, &ai
->flags
)) {
2399 mpi_unmap_card(ai
->pci
);
2401 iounmap(ai
->pcimem
);
2403 iounmap(ai
->pciaux
);
2404 pci_free_consistent(ai
->pci
, PCI_SHARED_LEN
,
2405 ai
->shared
, ai
->shared_dma
);
2410 crypto_free_tfm(ai
->tfm
);
2412 del_airo_dev( dev
);
2416 EXPORT_SYMBOL(stop_airo_card
);
2418 static int add_airo_dev( struct net_device
*dev
);
2420 static int wll_header_parse(struct sk_buff
*skb
, unsigned char *haddr
)
2422 memcpy(haddr
, skb
->mac
.raw
+ 10, ETH_ALEN
);
2426 static void mpi_unmap_card(struct pci_dev
*pci
)
2428 unsigned long mem_start
= pci_resource_start(pci
, 1);
2429 unsigned long mem_len
= pci_resource_len(pci
, 1);
2430 unsigned long aux_start
= pci_resource_start(pci
, 2);
2431 unsigned long aux_len
= AUXMEMSIZE
;
2433 release_mem_region(aux_start
, aux_len
);
2434 release_mem_region(mem_start
, mem_len
);
2437 /*************************************************************
2438 * This routine assumes that descriptors have been setup .
2439 * Run at insmod time or after reset when the decriptors
2440 * have been initialized . Returns 0 if all is well nz
2441 * otherwise . Does not allocate memory but sets up card
2442 * using previously allocated descriptors.
2444 static int mpi_init_descriptors (struct airo_info
*ai
)
2451 /* Alloc card RX descriptors */
2452 netif_stop_queue(ai
->dev
);
2454 memset(&rsp
,0,sizeof(rsp
));
2455 memset(&cmd
,0,sizeof(cmd
));
2457 cmd
.cmd
= CMD_ALLOCATEAUX
;
2459 cmd
.parm1
= (ai
->rxfids
[0].card_ram_off
- ai
->pciaux
);
2460 cmd
.parm2
= MPI_MAX_FIDS
;
2461 rc
=issuecommand(ai
, &cmd
, &rsp
);
2462 if (rc
!= SUCCESS
) {
2463 printk(KERN_ERR
"airo: Couldn't allocate RX FID\n");
2467 for (i
=0; i
<MPI_MAX_FIDS
; i
++) {
2468 memcpy_toio(ai
->rxfids
[i
].card_ram_off
,
2469 &ai
->rxfids
[i
].rx_desc
, sizeof(RxFid
));
2472 /* Alloc card TX descriptors */
2474 memset(&rsp
,0,sizeof(rsp
));
2475 memset(&cmd
,0,sizeof(cmd
));
2477 cmd
.cmd
= CMD_ALLOCATEAUX
;
2479 cmd
.parm1
= (ai
->txfids
[0].card_ram_off
- ai
->pciaux
);
2480 cmd
.parm2
= MPI_MAX_FIDS
;
2482 for (i
=0; i
<MPI_MAX_FIDS
; i
++) {
2483 ai
->txfids
[i
].tx_desc
.valid
= 1;
2484 memcpy_toio(ai
->txfids
[i
].card_ram_off
,
2485 &ai
->txfids
[i
].tx_desc
, sizeof(TxFid
));
2487 ai
->txfids
[i
-1].tx_desc
.eoc
= 1; /* Last descriptor has EOC set */
2489 rc
=issuecommand(ai
, &cmd
, &rsp
);
2490 if (rc
!= SUCCESS
) {
2491 printk(KERN_ERR
"airo: Couldn't allocate TX FID\n");
2495 /* Alloc card Rid descriptor */
2496 memset(&rsp
,0,sizeof(rsp
));
2497 memset(&cmd
,0,sizeof(cmd
));
2499 cmd
.cmd
= CMD_ALLOCATEAUX
;
2501 cmd
.parm1
= (ai
->config_desc
.card_ram_off
- ai
->pciaux
);
2502 cmd
.parm2
= 1; /* Magic number... */
2503 rc
=issuecommand(ai
, &cmd
, &rsp
);
2504 if (rc
!= SUCCESS
) {
2505 printk(KERN_ERR
"airo: Couldn't allocate RID\n");
2509 memcpy_toio(ai
->config_desc
.card_ram_off
,
2510 &ai
->config_desc
.rid_desc
, sizeof(Rid
));
2516 * We are setting up three things here:
2517 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2518 * 2) Map PCI memory for issueing commands.
2519 * 3) Allocate memory (shared) to send and receive ethernet frames.
2521 static int mpi_map_card(struct airo_info
*ai
, struct pci_dev
*pci
,
2524 unsigned long mem_start
, mem_len
, aux_start
, aux_len
;
2527 unsigned char *busaddroff
,*vpackoff
;
2528 unsigned char __iomem
*pciaddroff
;
2530 mem_start
= pci_resource_start(pci
, 1);
2531 mem_len
= pci_resource_len(pci
, 1);
2532 aux_start
= pci_resource_start(pci
, 2);
2533 aux_len
= AUXMEMSIZE
;
2535 if (!request_mem_region(mem_start
, mem_len
, name
)) {
2536 printk(KERN_ERR
"airo: Couldn't get region %x[%x] for %s\n",
2537 (int)mem_start
, (int)mem_len
, name
);
2540 if (!request_mem_region(aux_start
, aux_len
, name
)) {
2541 printk(KERN_ERR
"airo: Couldn't get region %x[%x] for %s\n",
2542 (int)aux_start
, (int)aux_len
, name
);
2546 ai
->pcimem
= ioremap(mem_start
, mem_len
);
2548 printk(KERN_ERR
"airo: Couldn't map region %x[%x] for %s\n",
2549 (int)mem_start
, (int)mem_len
, name
);
2552 ai
->pciaux
= ioremap(aux_start
, aux_len
);
2554 printk(KERN_ERR
"airo: Couldn't map region %x[%x] for %s\n",
2555 (int)aux_start
, (int)aux_len
, name
);
2559 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2560 ai
->shared
= pci_alloc_consistent(pci
, PCI_SHARED_LEN
, &ai
->shared_dma
);
2562 printk(KERN_ERR
"airo: Couldn't alloc_consistent %d\n",
2568 * Setup descriptor RX, TX, CONFIG
2570 busaddroff
= (unsigned char *)ai
->shared_dma
;
2571 pciaddroff
= ai
->pciaux
+ AUX_OFFSET
;
2572 vpackoff
= ai
->shared
;
2574 /* RX descriptor setup */
2575 for(i
= 0; i
< MPI_MAX_FIDS
; i
++) {
2576 ai
->rxfids
[i
].pending
= 0;
2577 ai
->rxfids
[i
].card_ram_off
= pciaddroff
;
2578 ai
->rxfids
[i
].virtual_host_addr
= vpackoff
;
2579 ai
->rxfids
[i
].rx_desc
.host_addr
= (dma_addr_t
) busaddroff
;
2580 ai
->rxfids
[i
].rx_desc
.valid
= 1;
2581 ai
->rxfids
[i
].rx_desc
.len
= PKTSIZE
;
2582 ai
->rxfids
[i
].rx_desc
.rdy
= 0;
2584 pciaddroff
+= sizeof(RxFid
);
2585 busaddroff
+= PKTSIZE
;
2586 vpackoff
+= PKTSIZE
;
2589 /* TX descriptor setup */
2590 for(i
= 0; i
< MPI_MAX_FIDS
; i
++) {
2591 ai
->txfids
[i
].card_ram_off
= pciaddroff
;
2592 ai
->txfids
[i
].virtual_host_addr
= vpackoff
;
2593 ai
->txfids
[i
].tx_desc
.valid
= 1;
2594 ai
->txfids
[i
].tx_desc
.host_addr
= (dma_addr_t
) busaddroff
;
2595 memcpy(ai
->txfids
[i
].virtual_host_addr
,
2596 &wifictlhdr8023
, sizeof(wifictlhdr8023
));
2598 pciaddroff
+= sizeof(TxFid
);
2599 busaddroff
+= PKTSIZE
;
2600 vpackoff
+= PKTSIZE
;
2602 ai
->txfids
[i
-1].tx_desc
.eoc
= 1; /* Last descriptor has EOC set */
2604 /* Rid descriptor setup */
2605 ai
->config_desc
.card_ram_off
= pciaddroff
;
2606 ai
->config_desc
.virtual_host_addr
= vpackoff
;
2607 ai
->config_desc
.rid_desc
.host_addr
= (dma_addr_t
) busaddroff
;
2608 ai
->ridbus
= (dma_addr_t
)busaddroff
;
2609 ai
->config_desc
.rid_desc
.rid
= 0;
2610 ai
->config_desc
.rid_desc
.len
= RIDSIZE
;
2611 ai
->config_desc
.rid_desc
.valid
= 1;
2612 pciaddroff
+= sizeof(Rid
);
2613 busaddroff
+= RIDSIZE
;
2614 vpackoff
+= RIDSIZE
;
2616 /* Tell card about descriptors */
2617 if (mpi_init_descriptors (ai
) != SUCCESS
)
2622 pci_free_consistent(pci
, PCI_SHARED_LEN
, ai
->shared
, ai
->shared_dma
);
2624 iounmap(ai
->pciaux
);
2626 iounmap(ai
->pcimem
);
2628 release_mem_region(aux_start
, aux_len
);
2630 release_mem_region(mem_start
, mem_len
);
2635 static void wifi_setup(struct net_device
*dev
)
2637 dev
->hard_header
= NULL
;
2638 dev
->rebuild_header
= NULL
;
2639 dev
->hard_header_cache
= NULL
;
2640 dev
->header_cache_update
= NULL
;
2642 dev
->hard_header_parse
= wll_header_parse
;
2643 dev
->hard_start_xmit
= &airo_start_xmit11
;
2644 dev
->get_stats
= &airo_get_stats
;
2645 dev
->set_mac_address
= &airo_set_mac_address
;
2646 dev
->do_ioctl
= &airo_ioctl
;
2648 dev
->wireless_handlers
= &airo_handler_def
;
2649 #endif /* WIRELESS_EXT */
2650 dev
->change_mtu
= &airo_change_mtu
;
2651 dev
->open
= &airo_open
;
2652 dev
->stop
= &airo_close
;
2654 dev
->type
= ARPHRD_IEEE80211
;
2655 dev
->hard_header_len
= ETH_HLEN
;
2657 dev
->addr_len
= ETH_ALEN
;
2658 dev
->tx_queue_len
= 100;
2660 memset(dev
->broadcast
,0xFF, ETH_ALEN
);
2662 dev
->flags
= IFF_BROADCAST
|IFF_MULTICAST
;
2665 static struct net_device
*init_wifidev(struct airo_info
*ai
,
2666 struct net_device
*ethdev
)
2669 struct net_device
*dev
= alloc_netdev(0, "wifi%d", wifi_setup
);
2672 dev
->priv
= ethdev
->priv
;
2673 dev
->irq
= ethdev
->irq
;
2674 dev
->base_addr
= ethdev
->base_addr
;
2676 dev
->wireless_data
= ethdev
->wireless_data
;
2677 #endif /* WIRELESS_EXT */
2678 memcpy(dev
->dev_addr
, ethdev
->dev_addr
, dev
->addr_len
);
2679 err
= register_netdev(dev
);
2687 static int reset_card( struct net_device
*dev
, int lock
) {
2688 struct airo_info
*ai
= dev
->priv
;
2690 if (lock
&& down_interruptible(&ai
->sem
))
2693 OUT4500(ai
,COMMAND
,CMD_SOFTRESET
);
2702 static struct net_device
*_init_airo_card( unsigned short irq
, int port
,
2703 int is_pcmcia
, struct pci_dev
*pci
,
2704 struct device
*dmdev
)
2706 struct net_device
*dev
;
2707 struct airo_info
*ai
;
2710 /* Create the network device object. */
2711 dev
= alloc_etherdev(sizeof(*ai
));
2713 printk(KERN_ERR
"airo: Couldn't alloc_etherdev\n");
2716 if (dev_alloc_name(dev
, dev
->name
) < 0) {
2717 printk(KERN_ERR
"airo: Couldn't get name!\n");
2724 if (pci
&& (pci
->device
== 0x5000 || pci
->device
== 0xa504)) {
2725 printk(KERN_DEBUG
"airo: Found an MPI350 card\n");
2726 set_bit(FLAG_MPI
, &ai
->flags
);
2729 spin_lock_init(&ai
->aux_lock
);
2730 sema_init(&ai
->sem
, 1);
2733 init_waitqueue_head (&ai
->thr_wait
);
2734 init_completion (&ai
->thr_exited
);
2735 ai
->thr_pid
= kernel_thread(airo_thread
, dev
, CLONE_FS
| CLONE_FILES
);
2736 if (ai
->thr_pid
< 0)
2741 rc
= add_airo_dev( dev
);
2745 /* The Airo-specific entries in the device structure. */
2746 if (test_bit(FLAG_MPI
,&ai
->flags
)) {
2747 skb_queue_head_init (&ai
->txq
);
2748 dev
->hard_start_xmit
= &mpi_start_xmit
;
2750 dev
->hard_start_xmit
= &airo_start_xmit
;
2751 dev
->get_stats
= &airo_get_stats
;
2752 dev
->set_multicast_list
= &airo_set_multicast_list
;
2753 dev
->set_mac_address
= &airo_set_mac_address
;
2754 dev
->do_ioctl
= &airo_ioctl
;
2756 dev
->wireless_handlers
= &airo_handler_def
;
2757 ai
->wireless_data
.spy_data
= &ai
->spy_data
;
2758 dev
->wireless_data
= &ai
->wireless_data
;
2759 #endif /* WIRELESS_EXT */
2760 dev
->change_mtu
= &airo_change_mtu
;
2761 dev
->open
= &airo_open
;
2762 dev
->stop
= &airo_close
;
2764 dev
->base_addr
= port
;
2766 SET_NETDEV_DEV(dev
, dmdev
);
2769 if (test_bit(FLAG_MPI
,&ai
->flags
))
2770 reset_card (dev
, 1);
2772 rc
= request_irq( dev
->irq
, airo_interrupt
, SA_SHIRQ
, dev
->name
, dev
);
2774 printk(KERN_ERR
"airo: register interrupt %d failed, rc %d\n", irq
, rc
);
2775 goto err_out_unlink
;
2778 if (!request_region( dev
->base_addr
, 64, dev
->name
)) {
2780 printk(KERN_ERR
"airo: Couldn't request region\n");
2785 if (test_bit(FLAG_MPI
,&ai
->flags
)) {
2786 if (mpi_map_card(ai
, pci
, dev
->name
)) {
2787 printk(KERN_ERR
"airo: Could not map memory\n");
2793 if ( setup_card( ai
, dev
->dev_addr
, 1 ) != SUCCESS
) {
2794 printk( KERN_ERR
"airo: MAC could not be enabled\n" );
2798 } else if (!test_bit(FLAG_MPI
,&ai
->flags
)) {
2799 ai
->bap_read
= fast_bap_read
;
2800 set_bit(FLAG_FLASHING
, &ai
->flags
);
2803 rc
= register_netdev(dev
);
2805 printk(KERN_ERR
"airo: Couldn't register_netdev\n");
2808 ai
->wifidev
= init_wifidev(ai
, dev
);
2810 set_bit(FLAG_REGISTERED
,&ai
->flags
);
2811 printk( KERN_INFO
"airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
2813 dev
->dev_addr
[0], dev
->dev_addr
[1], dev
->dev_addr
[2],
2814 dev
->dev_addr
[3], dev
->dev_addr
[4], dev
->dev_addr
[5] );
2816 /* Allocate the transmit buffers */
2817 if (probe
&& !test_bit(FLAG_MPI
,&ai
->flags
))
2818 for( i
= 0; i
< MAX_FIDS
; i
++ )
2819 ai
->fids
[i
] = transmit_allocate(ai
,2312,i
>=MAX_FIDS
/2);
2821 setup_proc_entry( dev
, dev
->priv
); /* XXX check for failure */
2822 netif_start_queue(dev
);
2823 SET_MODULE_OWNER(dev
);
2827 if (test_bit(FLAG_MPI
,&ai
->flags
) && pci
) {
2828 pci_free_consistent(pci
, PCI_SHARED_LEN
, ai
->shared
, ai
->shared_dma
);
2829 iounmap(ai
->pciaux
);
2830 iounmap(ai
->pcimem
);
2831 mpi_unmap_card(ai
->pci
);
2835 release_region( dev
->base_addr
, 64 );
2837 free_irq(dev
->irq
, dev
);
2841 set_bit(JOB_DIE
, &ai
->flags
);
2842 kill_proc(ai
->thr_pid
, SIGTERM
, 1);
2843 wait_for_completion(&ai
->thr_exited
);
2849 struct net_device
*init_airo_card( unsigned short irq
, int port
, int is_pcmcia
,
2850 struct device
*dmdev
)
2852 return _init_airo_card ( irq
, port
, is_pcmcia
, NULL
, dmdev
);
2855 EXPORT_SYMBOL(init_airo_card
);
2857 static int waitbusy (struct airo_info
*ai
) {
2859 while ((IN4500 (ai
, COMMAND
) & COMMAND_BUSY
) & (delay
< 10000)) {
2861 if ((++delay
% 20) == 0)
2862 OUT4500(ai
, EVACK
, EV_CLEARCOMMANDBUSY
);
2864 return delay
< 10000;
2867 int reset_airo_card( struct net_device
*dev
)
2870 struct airo_info
*ai
= dev
->priv
;
2872 if (reset_card (dev
, 1))
2875 if ( setup_card(ai
, dev
->dev_addr
, 1 ) != SUCCESS
) {
2876 printk( KERN_ERR
"airo: MAC could not be enabled\n" );
2879 printk( KERN_INFO
"airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev
->name
,
2880 dev
->dev_addr
[0], dev
->dev_addr
[1], dev
->dev_addr
[2],
2881 dev
->dev_addr
[3], dev
->dev_addr
[4], dev
->dev_addr
[5]);
2882 /* Allocate the transmit buffers if needed */
2883 if (!test_bit(FLAG_MPI
,&ai
->flags
))
2884 for( i
= 0; i
< MAX_FIDS
; i
++ )
2885 ai
->fids
[i
] = transmit_allocate (ai
,2312,i
>=MAX_FIDS
/2);
2887 enable_interrupts( ai
);
2888 netif_wake_queue(dev
);
2892 EXPORT_SYMBOL(reset_airo_card
);
2894 static void airo_send_event(struct net_device
*dev
) {
2895 struct airo_info
*ai
= dev
->priv
;
2896 union iwreq_data wrqu
;
2897 StatusRid status_rid
;
2899 clear_bit(JOB_EVENT
, &ai
->flags
);
2900 PC4500_readrid(ai
, RID_STATUS
, &status_rid
, sizeof(status_rid
), 0);
2902 wrqu
.data
.length
= 0;
2903 wrqu
.data
.flags
= 0;
2904 memcpy(wrqu
.ap_addr
.sa_data
, status_rid
.bssid
[0], ETH_ALEN
);
2905 wrqu
.ap_addr
.sa_family
= ARPHRD_ETHER
;
2907 /* Send event to user space */
2908 wireless_send_event(dev
, SIOCGIWAP
, &wrqu
, NULL
);
2911 static int airo_thread(void *data
) {
2912 struct net_device
*dev
= data
;
2913 struct airo_info
*ai
= dev
->priv
;
2916 daemonize("%s", dev
->name
);
2917 allow_signal(SIGTERM
);
2920 if (signal_pending(current
))
2921 flush_signals(current
);
2923 /* make swsusp happy with our thread */
2924 try_to_freeze(PF_FREEZE
);
2926 if (test_bit(JOB_DIE
, &ai
->flags
))
2929 if (ai
->flags
& JOB_MASK
) {
2930 locked
= down_interruptible(&ai
->sem
);
2934 init_waitqueue_entry(&wait
, current
);
2935 add_wait_queue(&ai
->thr_wait
, &wait
);
2937 set_current_state(TASK_INTERRUPTIBLE
);
2938 if (ai
->flags
& JOB_MASK
)
2941 if (time_after_eq(jiffies
,ai
->expires
)){
2942 set_bit(JOB_AUTOWEP
,&ai
->flags
);
2945 if (!signal_pending(current
)) {
2946 schedule_timeout(ai
->expires
- jiffies
);
2949 } else if (!signal_pending(current
)) {
2955 current
->state
= TASK_RUNNING
;
2956 remove_wait_queue(&ai
->thr_wait
, &wait
);
2963 if (test_bit(JOB_DIE
, &ai
->flags
)) {
2968 if (ai
->power
|| test_bit(FLAG_FLASHING
, &ai
->flags
)) {
2973 if (test_bit(JOB_XMIT
, &ai
->flags
))
2975 else if (test_bit(JOB_XMIT11
, &ai
->flags
))
2976 airo_end_xmit11(dev
);
2977 else if (test_bit(JOB_STATS
, &ai
->flags
))
2978 airo_read_stats(ai
);
2979 else if (test_bit(JOB_WSTATS
, &ai
->flags
))
2980 airo_read_wireless_stats(ai
);
2981 else if (test_bit(JOB_PROMISC
, &ai
->flags
))
2982 airo_set_promisc(ai
);
2984 else if (test_bit(JOB_MIC
, &ai
->flags
))
2987 else if (test_bit(JOB_EVENT
, &ai
->flags
))
2988 airo_send_event(dev
);
2989 else if (test_bit(JOB_AUTOWEP
, &ai
->flags
))
2992 complete_and_exit (&ai
->thr_exited
, 0);
2995 static irqreturn_t
airo_interrupt ( int irq
, void* dev_id
, struct pt_regs
*regs
) {
2996 struct net_device
*dev
= (struct net_device
*)dev_id
;
2999 struct airo_info
*apriv
= dev
->priv
;
3000 u16 savedInterrupts
= 0;
3003 if (!netif_device_present(dev
))
3007 status
= IN4500( apriv
, EVSTAT
);
3008 if ( !(status
& STATUS_INTS
) || status
== 0xffff ) break;
3012 if ( status
& EV_AWAKE
) {
3013 OUT4500( apriv
, EVACK
, EV_AWAKE
);
3014 OUT4500( apriv
, EVACK
, EV_AWAKE
);
3017 if (!savedInterrupts
) {
3018 savedInterrupts
= IN4500( apriv
, EVINTEN
);
3019 OUT4500( apriv
, EVINTEN
, 0 );
3022 if ( status
& EV_MIC
) {
3023 OUT4500( apriv
, EVACK
, EV_MIC
);
3025 if (test_bit(FLAG_MIC_CAPABLE
, &apriv
->flags
)) {
3026 set_bit(JOB_MIC
, &apriv
->flags
);
3027 wake_up_interruptible(&apriv
->thr_wait
);
3031 if ( status
& EV_LINK
) {
3032 union iwreq_data wrqu
;
3033 /* The link status has changed, if you want to put a
3034 monitor hook in, do it here. (Remember that
3035 interrupts are still disabled!)
3037 u16 newStatus
= IN4500(apriv
, LINKSTAT
);
3038 OUT4500( apriv
, EVACK
, EV_LINK
);
3039 /* Here is what newStatus means: */
3040 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3041 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3042 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3043 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3044 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3045 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3046 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3047 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3049 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3051 #define ASSOCIATED 0x0400 /* Assocatied */
3052 #define RC_RESERVED 0 /* Reserved return code */
3053 #define RC_NOREASON 1 /* Unspecified reason */
3054 #define RC_AUTHINV 2 /* Previous authentication invalid */
3055 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3057 #define RC_NOACT 4 /* Disassociated due to inactivity */
3058 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3059 all currently associated stations */
3060 #define RC_BADCLASS2 6 /* Class 2 frame received from
3061 non-Authenticated station */
3062 #define RC_BADCLASS3 7 /* Class 3 frame received from
3063 non-Associated station */
3064 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3066 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3067 Authenticated with the responding station */
3068 if (newStatus
!= ASSOCIATED
) {
3069 if (auto_wep
&& !apriv
->expires
) {
3070 apriv
->expires
= RUN_AT(3*HZ
);
3071 wake_up_interruptible(&apriv
->thr_wait
);
3074 struct task_struct
*task
= apriv
->task
;
3078 wake_up_process (task
);
3079 set_bit(FLAG_UPDATE_UNI
, &apriv
->flags
);
3080 set_bit(FLAG_UPDATE_MULTI
, &apriv
->flags
);
3082 /* Question : is ASSOCIATED the only status
3083 * that is valid ? We want to catch handover
3084 * and reassociations as valid status
3086 if(newStatus
== ASSOCIATED
) {
3087 if (apriv
->scan_timestamp
) {
3088 /* Send an empty event to user space.
3089 * We don't send the received data on
3090 * the event because it would require
3091 * us to do complex transcoding, and
3092 * we want to minimise the work done in
3093 * the irq handler. Use a request to
3094 * extract the data - Jean II */
3095 wrqu
.data
.length
= 0;
3096 wrqu
.data
.flags
= 0;
3097 wireless_send_event(dev
, SIOCGIWSCAN
, &wrqu
, NULL
);
3098 apriv
->scan_timestamp
= 0;
3100 if (down_trylock(&apriv
->sem
) != 0) {
3101 set_bit(JOB_EVENT
, &apriv
->flags
);
3102 wake_up_interruptible(&apriv
->thr_wait
);
3104 airo_send_event(dev
);
3106 memset(wrqu
.ap_addr
.sa_data
, '\0', ETH_ALEN
);
3107 wrqu
.ap_addr
.sa_family
= ARPHRD_ETHER
;
3109 /* Send event to user space */
3110 wireless_send_event(dev
, SIOCGIWAP
, &wrqu
,NULL
);
3114 /* Check to see if there is something to receive */
3115 if ( status
& EV_RX
) {
3116 struct sk_buff
*skb
= NULL
;
3117 u16 fc
, len
, hdrlen
= 0;
3131 if (test_bit(FLAG_MPI
,&apriv
->flags
)) {
3132 if (test_bit(FLAG_802_11
, &apriv
->flags
))
3133 mpi_receive_802_11(apriv
);
3135 mpi_receive_802_3(apriv
);
3136 OUT4500(apriv
, EVACK
, EV_RX
);
3140 fid
= IN4500( apriv
, RXFID
);
3142 /* Get the packet length */
3143 if (test_bit(FLAG_802_11
, &apriv
->flags
)) {
3144 bap_setup (apriv
, fid
, 4, BAP0
);
3145 bap_read (apriv
, (u16
*)&hdr
, sizeof(hdr
), BAP0
);
3146 /* Bad CRC. Ignore packet */
3147 if (le16_to_cpu(hdr
.status
) & 2)
3149 if (apriv
->wifidev
== NULL
)
3152 bap_setup (apriv
, fid
, 0x36, BAP0
);
3153 bap_read (apriv
, (u16
*)&hdr
.len
, 2, BAP0
);
3155 len
= le16_to_cpu(hdr
.len
);
3158 printk( KERN_ERR
"airo: Bad size %d\n", len
);
3164 if (test_bit(FLAG_802_11
, &apriv
->flags
)) {
3165 bap_read (apriv
, (u16
*)&fc
, sizeof(fc
), BAP0
);
3166 fc
= le16_to_cpu(fc
);
3169 if ((fc
& 0xe0) == 0xc0)
3175 if ((fc
&0x300)==0x300){
3183 hdrlen
= ETH_ALEN
* 2;
3185 skb
= dev_alloc_skb( len
+ hdrlen
+ 2 + 2 );
3187 apriv
->stats
.rx_dropped
++;
3190 skb_reserve(skb
, 2); /* This way the IP header is aligned */
3191 buffer
= (u16
*)skb_put (skb
, len
+ hdrlen
);
3192 if (test_bit(FLAG_802_11
, &apriv
->flags
)) {
3194 bap_read (apriv
, buffer
+ 1, hdrlen
- 2, BAP0
);
3196 bap_read (apriv
, tmpbuf
, 6, BAP0
);
3198 bap_read (apriv
, &gap
, sizeof(gap
), BAP0
);
3199 gap
= le16_to_cpu(gap
);
3202 bap_read (apriv
, tmpbuf
, gap
, BAP0
);
3204 printk(KERN_ERR
"airo: gaplen too big. Problems will follow...\n");
3206 bap_read (apriv
, buffer
+ hdrlen
/2, len
, BAP0
);
3211 bap_read (apriv
, buffer
, ETH_ALEN
*2, BAP0
);
3213 if (apriv
->micstats
.enabled
) {
3214 bap_read (apriv
,(u16
*)&micbuf
,sizeof(micbuf
),BAP0
);
3215 if (ntohs(micbuf
.typelen
) > 0x05DC)
3216 bap_setup (apriv
, fid
, 0x44, BAP0
);
3218 if (len
<= sizeof(micbuf
))
3221 len
-= sizeof(micbuf
);
3222 skb_trim (skb
, len
+ hdrlen
);
3226 bap_read(apriv
,buffer
+ETH_ALEN
,len
,BAP0
);
3228 if (decapsulate(apriv
,&micbuf
,(etherHead
*)buffer
,len
)) {
3230 dev_kfree_skb_irq (skb
);
3235 OUT4500( apriv
, EVACK
, EV_RX
);
3240 if (apriv
->spy_data
.spy_number
> 0) {
3242 struct iw_quality wstats
;
3243 /* Prepare spy data : addr + qual */
3244 if (!test_bit(FLAG_802_11
, &apriv
->flags
)) {
3245 sa
= (char*)buffer
+ 6;
3246 bap_setup (apriv
, fid
, 8, BAP0
);
3247 bap_read (apriv
, (u16
*)hdr
.rssi
, 2, BAP0
);
3249 sa
= (char*)buffer
+ 10;
3250 wstats
.qual
= hdr
.rssi
[0];
3252 wstats
.level
= 0x100 - apriv
->rssi
[hdr
.rssi
[1]].rssidBm
;
3254 wstats
.level
= (hdr
.rssi
[1] + 321) / 2;
3256 /* Update spy records */
3257 wireless_spy_update(dev
, sa
, &wstats
);
3259 #endif /* WIRELESS_SPY */
3260 OUT4500( apriv
, EVACK
, EV_RX
);
3262 if (test_bit(FLAG_802_11
, &apriv
->flags
)) {
3263 skb
->mac
.raw
= skb
->data
;
3264 skb
->pkt_type
= PACKET_OTHERHOST
;
3265 skb
->dev
= apriv
->wifidev
;
3266 skb
->protocol
= htons(ETH_P_802_2
);
3269 skb
->protocol
= eth_type_trans(skb
,dev
);
3271 skb
->dev
->last_rx
= jiffies
;
3272 skb
->ip_summed
= CHECKSUM_NONE
;
3278 /* Check to see if a packet has been transmitted */
3279 if ( status
& ( EV_TX
|EV_TXCPY
|EV_TXEXC
) ) {
3284 if (test_bit(FLAG_MPI
,&apriv
->flags
)) {
3285 unsigned long flags
;
3287 if (status
& EV_TXEXC
)
3288 get_tx_error(apriv
, -1);
3289 spin_lock_irqsave(&apriv
->aux_lock
, flags
);
3290 if (skb_queue_len (&apriv
->txq
)) {
3291 spin_unlock_irqrestore(&apriv
->aux_lock
,flags
);
3292 mpi_send_packet (dev
);
3294 clear_bit(FLAG_PENDING_XMIT
, &apriv
->flags
);
3295 spin_unlock_irqrestore(&apriv
->aux_lock
,flags
);
3296 netif_wake_queue (dev
);
3298 OUT4500( apriv
, EVACK
,
3299 status
& (EV_TX
|EV_TXCPY
|EV_TXEXC
));
3303 fid
= IN4500(apriv
, TXCOMPLFID
);
3305 for( i
= 0; i
< MAX_FIDS
; i
++ ) {
3306 if ( ( apriv
->fids
[i
] & 0xffff ) == fid
) {
3307 len
= apriv
->fids
[i
] >> 16;
3312 if (status
& EV_TXEXC
)
3313 get_tx_error(apriv
, index
);
3314 OUT4500( apriv
, EVACK
, status
& (EV_TX
| EV_TXEXC
));
3315 /* Set up to be used again */
3316 apriv
->fids
[index
] &= 0xffff;
3317 if (index
< MAX_FIDS
/ 2) {
3318 if (!test_bit(FLAG_PENDING_XMIT
, &apriv
->flags
))
3319 netif_wake_queue(dev
);
3321 if (!test_bit(FLAG_PENDING_XMIT11
, &apriv
->flags
))
3322 netif_wake_queue(apriv
->wifidev
);
3325 OUT4500( apriv
, EVACK
, status
& (EV_TX
| EV_TXCPY
| EV_TXEXC
));
3326 printk( KERN_ERR
"airo: Unallocated FID was used to xmit\n" );
3330 if ( status
& ~STATUS_INTS
& ~IGNORE_INTS
)
3331 printk( KERN_WARNING
"airo: Got weird status %x\n",
3332 status
& ~STATUS_INTS
& ~IGNORE_INTS
);
3335 if (savedInterrupts
)
3336 OUT4500( apriv
, EVINTEN
, savedInterrupts
);
3339 return IRQ_RETVAL(handled
);
3343 * Routines to talk to the card
3347 * This was originally written for the 4500, hence the name
3348 * NOTE: If use with 8bit mode and SMP bad things will happen!
3349 * Why would some one do 8 bit IO in an SMP machine?!?
3351 static void OUT4500( struct airo_info
*ai
, u16 reg
, u16 val
) {
3352 if (test_bit(FLAG_MPI
,&ai
->flags
))
3355 outw( val
, ai
->dev
->base_addr
+ reg
);
3357 outb( val
& 0xff, ai
->dev
->base_addr
+ reg
);
3358 outb( val
>> 8, ai
->dev
->base_addr
+ reg
+ 1 );
3362 static u16
IN4500( struct airo_info
*ai
, u16 reg
) {
3365 if (test_bit(FLAG_MPI
,&ai
->flags
))
3368 rc
= inw( ai
->dev
->base_addr
+ reg
);
3370 rc
= inb( ai
->dev
->base_addr
+ reg
);
3371 rc
+= ((int)inb( ai
->dev
->base_addr
+ reg
+ 1 )) << 8;
3376 static int enable_MAC( struct airo_info
*ai
, Resp
*rsp
, int lock
) {
3380 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3381 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3382 * Note : we could try to use !netif_running(dev) in enable_MAC()
3383 * instead of this flag, but I don't trust it *within* the
3384 * open/close functions, and testing both flags together is
3385 * "cheaper" - Jean II */
3386 if (ai
->flags
& FLAG_RADIO_MASK
) return SUCCESS
;
3388 if (lock
&& down_interruptible(&ai
->sem
))
3389 return -ERESTARTSYS
;
3391 if (!test_bit(FLAG_ENABLED
, &ai
->flags
)) {
3392 memset(&cmd
, 0, sizeof(cmd
));
3393 cmd
.cmd
= MAC_ENABLE
;
3394 rc
= issuecommand(ai
, &cmd
, rsp
);
3396 set_bit(FLAG_ENABLED
, &ai
->flags
);
3404 printk(KERN_ERR
"%s: Cannot enable MAC, err=%d\n",
3409 static void disable_MAC( struct airo_info
*ai
, int lock
) {
3413 if (lock
&& down_interruptible(&ai
->sem
))
3416 if (test_bit(FLAG_ENABLED
, &ai
->flags
)) {
3417 memset(&cmd
, 0, sizeof(cmd
));
3418 cmd
.cmd
= MAC_DISABLE
; // disable in case already enabled
3419 issuecommand(ai
, &cmd
, &rsp
);
3420 clear_bit(FLAG_ENABLED
, &ai
->flags
);
3426 static void enable_interrupts( struct airo_info
*ai
) {
3427 /* Enable the interrupts */
3428 OUT4500( ai
, EVINTEN
, STATUS_INTS
);
3431 static void disable_interrupts( struct airo_info
*ai
) {
3432 OUT4500( ai
, EVINTEN
, 0 );
3435 static void mpi_receive_802_3(struct airo_info
*ai
)
3439 struct sk_buff
*skb
;
3446 memcpy_fromio(&rxd
, ai
->rxfids
[0].card_ram_off
, sizeof(rxd
));
3447 /* Make sure we got something */
3448 if (rxd
.rdy
&& rxd
.valid
== 0) {
3450 if (len
< 12 || len
> 2048)
3453 skb
= dev_alloc_skb(len
);
3455 ai
->stats
.rx_dropped
++;
3458 buffer
= skb_put(skb
,len
);
3460 memcpy(buffer
, ai
->rxfids
[0].virtual_host_addr
, ETH_ALEN
* 2);
3461 if (ai
->micstats
.enabled
) {
3463 ai
->rxfids
[0].virtual_host_addr
+ ETH_ALEN
* 2,
3465 if (ntohs(micbuf
.typelen
) <= 0x05DC) {
3466 if (len
<= sizeof(micbuf
) + ETH_ALEN
* 2)
3469 off
= sizeof(micbuf
);
3470 skb_trim (skb
, len
- off
);
3473 memcpy(buffer
+ ETH_ALEN
* 2,
3474 ai
->rxfids
[0].virtual_host_addr
+ ETH_ALEN
* 2 + off
,
3475 len
- ETH_ALEN
* 2 - off
);
3476 if (decapsulate (ai
, &micbuf
, (etherHead
*)buffer
, len
- off
- ETH_ALEN
* 2)) {
3478 dev_kfree_skb_irq (skb
);
3482 memcpy(buffer
, ai
->rxfids
[0].virtual_host_addr
, len
);
3485 if (ai
->spy_data
.spy_number
> 0) {
3487 struct iw_quality wstats
;
3488 /* Prepare spy data : addr + qual */
3489 sa
= buffer
+ ETH_ALEN
;
3490 wstats
.qual
= 0; /* XXX Where do I get that info from ??? */
3493 /* Update spy records */
3494 wireless_spy_update(ai
->dev
, sa
, &wstats
);
3496 #endif /* WIRELESS_SPY */
3499 skb
->ip_summed
= CHECKSUM_NONE
;
3500 skb
->protocol
= eth_type_trans(skb
, ai
->dev
);
3501 skb
->dev
->last_rx
= jiffies
;
3505 if (rxd
.valid
== 0) {
3509 memcpy_toio(ai
->rxfids
[0].card_ram_off
, &rxd
, sizeof(rxd
));
3513 void mpi_receive_802_11 (struct airo_info
*ai
)
3516 struct sk_buff
*skb
= NULL
;
3517 u16 fc
, len
, hdrlen
= 0;
3529 char *ptr
= ai
->rxfids
[0].virtual_host_addr
+4;
3531 memcpy_fromio(&rxd
, ai
->rxfids
[0].card_ram_off
, sizeof(rxd
));
3532 memcpy ((char *)&hdr
, ptr
, sizeof(hdr
));
3534 /* Bad CRC. Ignore packet */
3535 if (le16_to_cpu(hdr
.status
) & 2)
3537 if (ai
->wifidev
== NULL
)
3539 len
= le16_to_cpu(hdr
.len
);
3541 printk( KERN_ERR
"airo: Bad size %d\n", len
);
3547 memcpy ((char *)&fc
, ptr
, sizeof(fc
));
3548 fc
= le16_to_cpu(fc
);
3551 if ((fc
& 0xe0) == 0xc0)
3557 if ((fc
&0x300)==0x300){
3565 skb
= dev_alloc_skb( len
+ hdrlen
+ 2 );
3567 ai
->stats
.rx_dropped
++;
3570 buffer
= (u16
*)skb_put (skb
, len
+ hdrlen
);
3571 memcpy ((char *)buffer
, ptr
, hdrlen
);
3575 memcpy ((char *)&gap
, ptr
, sizeof(gap
));
3577 gap
= le16_to_cpu(gap
);
3583 "airo: gaplen too big. Problems will follow...\n");
3585 memcpy ((char *)buffer
+ hdrlen
, ptr
, len
);
3587 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3588 if (ai
->spy_data
.spy_number
> 0) {
3590 struct iw_quality wstats
;
3591 /* Prepare spy data : addr + qual */
3592 sa
= (char*)buffer
+ 10;
3593 wstats
.qual
= hdr
.rssi
[0];
3595 wstats
.level
= 0x100 - ai
->rssi
[hdr
.rssi
[1]].rssidBm
;
3597 wstats
.level
= (hdr
.rssi
[1] + 321) / 2;
3599 /* Update spy records */
3600 wireless_spy_update(ai
->dev
, sa
, &wstats
);
3602 #endif /* IW_WIRELESS_SPY */
3603 skb
->mac
.raw
= skb
->data
;
3604 skb
->pkt_type
= PACKET_OTHERHOST
;
3605 skb
->dev
= ai
->wifidev
;
3606 skb
->protocol
= htons(ETH_P_802_2
);
3607 skb
->dev
->last_rx
= jiffies
;
3608 skb
->ip_summed
= CHECKSUM_NONE
;
3611 if (rxd
.valid
== 0) {
3615 memcpy_toio(ai
->rxfids
[0].card_ram_off
, &rxd
, sizeof(rxd
));
3619 static u16
setup_card(struct airo_info
*ai
, u8
*mac
, int lock
)
3630 memset( &mySsid
, 0, sizeof( mySsid
) );
3636 /* The NOP is the first step in getting the card going */
3638 cmd
.parm0
= cmd
.parm1
= cmd
.parm2
= 0;
3639 if (lock
&& down_interruptible(&ai
->sem
))
3641 if ( issuecommand( ai
, &cmd
, &rsp
) != SUCCESS
) {
3646 disable_MAC( ai
, 0);
3648 // Let's figure out if we need to use the AUX port
3649 if (!test_bit(FLAG_MPI
,&ai
->flags
)) {
3650 cmd
.cmd
= CMD_ENABLEAUX
;
3651 if (issuecommand(ai
, &cmd
, &rsp
) != SUCCESS
) {
3654 printk(KERN_ERR
"airo: Error checking for AUX port\n");
3657 if (!aux_bap
|| rsp
.status
& 0xff00) {
3658 ai
->bap_read
= fast_bap_read
;
3659 printk(KERN_DEBUG
"airo: Doing fast bap_reads\n");
3661 ai
->bap_read
= aux_bap_read
;
3662 printk(KERN_DEBUG
"airo: Doing AUX bap_reads\n");
3667 if (ai
->config
.len
== 0) {
3668 tdsRssiRid rssi_rid
;
3669 CapabilityRid cap_rid
;
3679 // general configuration (read/modify/write)
3680 status
= readConfigRid(ai
, lock
);
3681 if ( status
!= SUCCESS
) return ERROR
;
3683 status
= readCapabilityRid(ai
, &cap_rid
, lock
);
3684 if ( status
!= SUCCESS
) return ERROR
;
3686 status
= PC4500_readrid(ai
,RID_RSSI
,&rssi_rid
,sizeof(rssi_rid
),lock
);
3687 if ( status
== SUCCESS
) {
3688 if (ai
->rssi
|| (ai
->rssi
= kmalloc(512, GFP_KERNEL
)) != NULL
)
3689 memcpy(ai
->rssi
, (u8
*)&rssi_rid
+ 2, 512);
3696 if (cap_rid
.softCap
& 8)
3697 ai
->config
.rmode
|= RXMODE_NORMALIZED_RSSI
;
3699 printk(KERN_WARNING
"airo: unknown received signal level scale\n");
3701 ai
->config
.opmode
= adhoc
? MODE_STA_IBSS
: MODE_STA_ESS
;
3702 ai
->config
.authType
= AUTH_OPEN
;
3703 ai
->config
.modulation
= MOD_CCK
;
3706 if ((cap_rid
.len
>=sizeof(cap_rid
)) && (cap_rid
.extSoftCap
&1) &&
3707 (micsetup(ai
) == SUCCESS
)) {
3708 ai
->config
.opmode
|= MODE_MIC
;
3709 set_bit(FLAG_MIC_CAPABLE
, &ai
->flags
);
3713 /* Save off the MAC */
3714 for( i
= 0; i
< ETH_ALEN
; i
++ ) {
3715 mac
[i
] = ai
->config
.macAddr
[i
];
3718 /* Check to see if there are any insmod configured
3722 memset(ai
->config
.rates
,0,sizeof(ai
->config
.rates
));
3723 for( i
= 0; i
< 8 && rates
[i
]; i
++ ) {
3724 ai
->config
.rates
[i
] = rates
[i
];
3727 if ( basic_rate
> 0 ) {
3729 for( i
= 0; i
< 8; i
++ ) {
3730 if ( ai
->config
.rates
[i
] == basic_rate
||
3731 !ai
->config
.rates
) {
3732 ai
->config
.rates
[i
] = basic_rate
| 0x80;
3737 set_bit (FLAG_COMMIT
, &ai
->flags
);
3740 /* Setup the SSIDs if present */
3743 for( i
= 0; i
< 3 && ssids
[i
]; i
++ ) {
3744 mySsid
.ssids
[i
].len
= strlen(ssids
[i
]);
3745 if ( mySsid
.ssids
[i
].len
> 32 )
3746 mySsid
.ssids
[i
].len
= 32;
3747 memcpy(mySsid
.ssids
[i
].ssid
, ssids
[i
],
3748 mySsid
.ssids
[i
].len
);
3750 mySsid
.len
= sizeof(mySsid
);
3753 status
= writeConfigRid(ai
, lock
);
3754 if ( status
!= SUCCESS
) return ERROR
;
3756 /* Set up the SSID list */
3758 status
= writeSsidRid(ai
, &mySsid
, lock
);
3759 if ( status
!= SUCCESS
) return ERROR
;
3762 status
= enable_MAC(ai
, &rsp
, lock
);
3763 if ( status
!= SUCCESS
|| (rsp
.status
& 0xFF00) != 0) {
3764 printk( KERN_ERR
"airo: Bad MAC enable reason = %x, rid = %x, offset = %d\n", rsp
.rsp0
, rsp
.rsp1
, rsp
.rsp2
);
3768 /* Grab the initial wep key, we gotta save it for auto_wep */
3769 rc
= readWepKeyRid(ai
, &wkr
, 1, lock
);
3770 if (rc
== SUCCESS
) do {
3771 lastindex
= wkr
.kindex
;
3772 if (wkr
.kindex
== 0xffff) {
3773 ai
->defindex
= wkr
.mac
[0];
3775 rc
= readWepKeyRid(ai
, &wkr
, 0, lock
);
3776 } while(lastindex
!= wkr
.kindex
);
3779 ai
->expires
= RUN_AT(3*HZ
);
3780 wake_up_interruptible(&ai
->thr_wait
);
3786 static u16
issuecommand(struct airo_info
*ai
, Cmd
*pCmd
, Resp
*pRsp
) {
3787 // Im really paranoid about letting it run forever!
3788 int max_tries
= 600000;
3790 if (IN4500(ai
, EVSTAT
) & EV_CMD
)
3791 OUT4500(ai
, EVACK
, EV_CMD
);
3793 OUT4500(ai
, PARAM0
, pCmd
->parm0
);
3794 OUT4500(ai
, PARAM1
, pCmd
->parm1
);
3795 OUT4500(ai
, PARAM2
, pCmd
->parm2
);
3796 OUT4500(ai
, COMMAND
, pCmd
->cmd
);
3798 while (max_tries
-- && (IN4500(ai
, EVSTAT
) & EV_CMD
) == 0) {
3799 if ((IN4500(ai
, COMMAND
)) == pCmd
->cmd
)
3800 // PC4500 didn't notice command, try again
3801 OUT4500(ai
, COMMAND
, pCmd
->cmd
);
3802 if (!in_atomic() && (max_tries
& 255) == 0)
3806 if ( max_tries
== -1 ) {
3808 "airo: Max tries exceeded when issueing command\n" );
3809 if (IN4500(ai
, COMMAND
) & COMMAND_BUSY
)
3810 OUT4500(ai
, EVACK
, EV_CLEARCOMMANDBUSY
);
3814 // command completed
3815 pRsp
->status
= IN4500(ai
, STATUS
);
3816 pRsp
->rsp0
= IN4500(ai
, RESP0
);
3817 pRsp
->rsp1
= IN4500(ai
, RESP1
);
3818 pRsp
->rsp2
= IN4500(ai
, RESP2
);
3819 if ((pRsp
->status
& 0xff00)!=0 && pCmd
->cmd
!= CMD_SOFTRESET
) {
3820 printk (KERN_ERR
"airo: cmd= %x\n", pCmd
->cmd
);
3821 printk (KERN_ERR
"airo: status= %x\n", pRsp
->status
);
3822 printk (KERN_ERR
"airo: Rsp0= %x\n", pRsp
->rsp0
);
3823 printk (KERN_ERR
"airo: Rsp1= %x\n", pRsp
->rsp1
);
3824 printk (KERN_ERR
"airo: Rsp2= %x\n", pRsp
->rsp2
);
3827 // clear stuck command busy if necessary
3828 if (IN4500(ai
, COMMAND
) & COMMAND_BUSY
) {
3829 OUT4500(ai
, EVACK
, EV_CLEARCOMMANDBUSY
);
3831 // acknowledge processing the status/response
3832 OUT4500(ai
, EVACK
, EV_CMD
);
3837 /* Sets up the bap to start exchange data. whichbap should
3838 * be one of the BAP0 or BAP1 defines. Locks should be held before
3840 static int bap_setup(struct airo_info
*ai
, u16 rid
, u16 offset
, int whichbap
)
3845 OUT4500(ai
, SELECT0
+whichbap
, rid
);
3846 OUT4500(ai
, OFFSET0
+whichbap
, offset
);
3848 int status
= IN4500(ai
, OFFSET0
+whichbap
);
3849 if (status
& BAP_BUSY
) {
3850 /* This isn't really a timeout, but its kinda
3855 } else if ( status
& BAP_ERR
) {
3856 /* invalid rid or offset */
3857 printk( KERN_ERR
"airo: BAP error %x %d\n",
3860 } else if (status
& BAP_DONE
) { // success
3863 if ( !(max_tries
--) ) {
3865 "airo: BAP setup error too many retries\n" );
3868 // -- PC4500 missed it, try again
3869 OUT4500(ai
, SELECT0
+whichbap
, rid
);
3870 OUT4500(ai
, OFFSET0
+whichbap
, offset
);
3875 /* should only be called by aux_bap_read. This aux function and the
3876 following use concepts not documented in the developers guide. I
3877 got them from a patch given to my by Aironet */
3878 static u16
aux_setup(struct airo_info
*ai
, u16 page
,
3879 u16 offset
, u16
*len
)
3883 OUT4500(ai
, AUXPAGE
, page
);
3884 OUT4500(ai
, AUXOFF
, 0);
3885 next
= IN4500(ai
, AUXDATA
);
3886 *len
= IN4500(ai
, AUXDATA
)&0xff;
3887 if (offset
!= 4) OUT4500(ai
, AUXOFF
, offset
);
3891 /* requires call to bap_setup() first */
3892 static int aux_bap_read(struct airo_info
*ai
, u16
*pu16Dst
,
3893 int bytelen
, int whichbap
)
3901 unsigned long flags
;
3903 spin_lock_irqsave(&ai
->aux_lock
, flags
);
3904 page
= IN4500(ai
, SWS0
+whichbap
);
3905 offset
= IN4500(ai
, SWS2
+whichbap
);
3906 next
= aux_setup(ai
, page
, offset
, &len
);
3907 words
= (bytelen
+1)>>1;
3909 for (i
=0; i
<words
;) {
3911 count
= (len
>>1) < (words
-i
) ? (len
>>1) : (words
-i
);
3913 insw( ai
->dev
->base_addr
+DATA0
+whichbap
,
3916 insb( ai
->dev
->base_addr
+DATA0
+whichbap
,
3917 pu16Dst
+i
, count
<< 1 );
3920 next
= aux_setup(ai
, next
, 4, &len
);
3923 spin_unlock_irqrestore(&ai
->aux_lock
, flags
);
3928 /* requires call to bap_setup() first */
3929 static int fast_bap_read(struct airo_info
*ai
, u16
*pu16Dst
,
3930 int bytelen
, int whichbap
)
3932 bytelen
= (bytelen
+ 1) & (~1); // round up to even value
3934 insw( ai
->dev
->base_addr
+DATA0
+whichbap
, pu16Dst
, bytelen
>>1 );
3936 insb( ai
->dev
->base_addr
+DATA0
+whichbap
, pu16Dst
, bytelen
);
3940 /* requires call to bap_setup() first */
3941 static int bap_write(struct airo_info
*ai
, const u16
*pu16Src
,
3942 int bytelen
, int whichbap
)
3944 bytelen
= (bytelen
+ 1) & (~1); // round up to even value
3946 outsw( ai
->dev
->base_addr
+DATA0
+whichbap
,
3947 pu16Src
, bytelen
>>1 );
3949 outsb( ai
->dev
->base_addr
+DATA0
+whichbap
, pu16Src
, bytelen
);
3953 static int PC4500_accessrid(struct airo_info
*ai
, u16 rid
, u16 accmd
)
3955 Cmd cmd
; /* for issuing commands */
3956 Resp rsp
; /* response from commands */
3959 memset(&cmd
, 0, sizeof(cmd
));
3962 status
= issuecommand(ai
, &cmd
, &rsp
);
3963 if (status
!= 0) return status
;
3964 if ( (rsp
.status
& 0x7F00) != 0) {
3965 return (accmd
<< 8) + (rsp
.rsp0
& 0xFF);
3970 /* Note, that we are using BAP1 which is also used by transmit, so
3971 * we must get a lock. */
3972 static int PC4500_readrid(struct airo_info
*ai
, u16 rid
, void *pBuf
, int len
, int lock
)
3978 if (down_interruptible(&ai
->sem
))
3981 if (test_bit(FLAG_MPI
,&ai
->flags
)) {
3985 memset(&cmd
, 0, sizeof(cmd
));
3986 memset(&rsp
, 0, sizeof(rsp
));
3987 ai
->config_desc
.rid_desc
.valid
= 1;
3988 ai
->config_desc
.rid_desc
.len
= RIDSIZE
;
3989 ai
->config_desc
.rid_desc
.rid
= 0;
3990 ai
->config_desc
.rid_desc
.host_addr
= ai
->ridbus
;
3992 cmd
.cmd
= CMD_ACCESS
;
3995 memcpy_toio(ai
->config_desc
.card_ram_off
,
3996 &ai
->config_desc
.rid_desc
, sizeof(Rid
));
3998 rc
= issuecommand(ai
, &cmd
, &rsp
);
4000 if (rsp
.status
& 0x7f00)
4003 memcpy(pBuf
, ai
->config_desc
.virtual_host_addr
, len
);
4006 if ((status
= PC4500_accessrid(ai
, rid
, CMD_ACCESS
))!=SUCCESS
) {
4010 if (bap_setup(ai
, rid
, 0, BAP1
) != SUCCESS
) {
4014 // read the rid length field
4015 bap_read(ai
, pBuf
, 2, BAP1
);
4016 // length for remaining part of rid
4017 len
= min(len
, (int)le16_to_cpu(*(u16
*)pBuf
)) - 2;
4021 "airo: Rid %x has a length of %d which is too short\n",
4022 (int)rid
, (int)len
);
4026 // read remainder of the rid
4027 rc
= bap_read(ai
, ((u16
*)pBuf
)+1, len
, BAP1
);
4035 /* Note, that we are using BAP1 which is also used by transmit, so
4036 * make sure this isnt called when a transmit is happening */
4037 static int PC4500_writerid(struct airo_info
*ai
, u16 rid
,
4038 const void *pBuf
, int len
, int lock
)
4043 *(u16
*)pBuf
= cpu_to_le16((u16
)len
);
4046 if (down_interruptible(&ai
->sem
))
4049 if (test_bit(FLAG_MPI
,&ai
->flags
)) {
4053 if (test_bit(FLAG_ENABLED
, &ai
->flags
))
4055 "%s: MAC should be disabled (rid=%04x)\n",
4057 memset(&cmd
, 0, sizeof(cmd
));
4058 memset(&rsp
, 0, sizeof(rsp
));
4060 ai
->config_desc
.rid_desc
.valid
= 1;
4061 ai
->config_desc
.rid_desc
.len
= *((u16
*)pBuf
);
4062 ai
->config_desc
.rid_desc
.rid
= 0;
4064 cmd
.cmd
= CMD_WRITERID
;
4067 memcpy_toio(ai
->config_desc
.card_ram_off
,
4068 &ai
->config_desc
.rid_desc
, sizeof(Rid
));
4070 if (len
< 4 || len
> 2047) {
4071 printk(KERN_ERR
"%s: len=%d\n",__FUNCTION__
,len
);
4074 memcpy((char *)ai
->config_desc
.virtual_host_addr
,
4077 rc
= issuecommand(ai
, &cmd
, &rsp
);
4078 if ((rc
& 0xff00) != 0) {
4079 printk(KERN_ERR
"%s: Write rid Error %d\n",
4081 printk(KERN_ERR
"%s: Cmd=%04x\n",
4082 __FUNCTION__
,cmd
.cmd
);
4085 if ((rsp
.status
& 0x7f00))
4089 // --- first access so that we can write the rid data
4090 if ( (status
= PC4500_accessrid(ai
, rid
, CMD_ACCESS
)) != 0) {
4094 // --- now write the rid data
4095 if (bap_setup(ai
, rid
, 0, BAP1
) != SUCCESS
) {
4099 bap_write(ai
, pBuf
, len
, BAP1
);
4100 // ---now commit the rid data
4101 rc
= PC4500_accessrid(ai
, rid
, 0x100|CMD_ACCESS
);
4109 /* Allocates a FID to be used for transmitting packets. We only use
4111 static u16
transmit_allocate(struct airo_info
*ai
, int lenPayload
, int raw
)
4113 unsigned int loop
= 3000;
4119 cmd
.cmd
= CMD_ALLOCATETX
;
4120 cmd
.parm0
= lenPayload
;
4121 if (down_interruptible(&ai
->sem
))
4123 if (issuecommand(ai
, &cmd
, &rsp
) != SUCCESS
) {
4127 if ( (rsp
.status
& 0xFF00) != 0) {
4131 /* wait for the allocate event/indication
4132 * It makes me kind of nervous that this can just sit here and spin,
4133 * but in practice it only loops like four times. */
4134 while (((IN4500(ai
, EVSTAT
) & EV_ALLOC
) == 0) && --loop
);
4140 // get the allocated fid and acknowledge
4141 txFid
= IN4500(ai
, TXALLOCFID
);
4142 OUT4500(ai
, EVACK
, EV_ALLOC
);
4144 /* The CARD is pretty cool since it converts the ethernet packet
4145 * into 802.11. Also note that we don't release the FID since we
4146 * will be using the same one over and over again. */
4147 /* We only have to setup the control once since we are not
4148 * releasing the fid. */
4150 txControl
= cpu_to_le16(TXCTL_TXOK
| TXCTL_TXEX
| TXCTL_802_11
4151 | TXCTL_ETHERNET
| TXCTL_NORELEASE
);
4153 txControl
= cpu_to_le16(TXCTL_TXOK
| TXCTL_TXEX
| TXCTL_802_3
4154 | TXCTL_ETHERNET
| TXCTL_NORELEASE
);
4155 if (bap_setup(ai
, txFid
, 0x0008, BAP1
) != SUCCESS
)
4158 bap_write(ai
, &txControl
, sizeof(txControl
), BAP1
);
4166 /* In general BAP1 is dedicated to transmiting packets. However,
4167 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4168 Make sure the BAP1 spinlock is held when this is called. */
4169 static int transmit_802_3_packet(struct airo_info
*ai
, int len
, char *pPacket
)
4180 if (len
<= ETH_ALEN
* 2) {
4181 printk( KERN_WARNING
"Short packet %d\n", len
);
4184 len
-= ETH_ALEN
* 2;
4187 if (test_bit(FLAG_MIC_CAPABLE
, &ai
->flags
) && ai
->micstats
.enabled
&&
4188 (ntohs(((u16
*)pPacket
)[6]) != 0x888E)) {
4189 if (encapsulate(ai
,(etherHead
*)pPacket
,&pMic
,len
) != SUCCESS
)
4191 miclen
= sizeof(pMic
);
4195 // packet is destination[6], source[6], payload[len-12]
4196 // write the payload length and dst/src/payload
4197 if (bap_setup(ai
, txFid
, 0x0036, BAP1
) != SUCCESS
) return ERROR
;
4198 /* The hardware addresses aren't counted as part of the payload, so
4199 * we have to subtract the 12 bytes for the addresses off */
4200 payloadLen
= cpu_to_le16(len
+ miclen
);
4201 bap_write(ai
, &payloadLen
, sizeof(payloadLen
),BAP1
);
4202 bap_write(ai
, (const u16
*)pPacket
, sizeof(etherHead
), BAP1
);
4204 bap_write(ai
, (const u16
*)&pMic
, miclen
, BAP1
);
4205 bap_write(ai
, (const u16
*)(pPacket
+ sizeof(etherHead
)), len
, BAP1
);
4206 // issue the transmit command
4207 memset( &cmd
, 0, sizeof( cmd
) );
4208 cmd
.cmd
= CMD_TRANSMIT
;
4210 if (issuecommand(ai
, &cmd
, &rsp
) != SUCCESS
) return ERROR
;
4211 if ( (rsp
.status
& 0xFF00) != 0) return ERROR
;
4215 static int transmit_802_11_packet(struct airo_info
*ai
, int len
, char *pPacket
)
4230 fc
= le16_to_cpu(*(const u16
*)pPacket
);
4233 if ((fc
& 0xe0) == 0xc0)
4239 if ((fc
&0x300)==0x300){
4248 printk( KERN_WARNING
"Short packet %d\n", len
);
4252 /* packet is 802.11 header + payload
4253 * write the payload length and dst/src/payload */
4254 if (bap_setup(ai
, txFid
, 6, BAP1
) != SUCCESS
) return ERROR
;
4255 /* The 802.11 header aren't counted as part of the payload, so
4256 * we have to subtract the header bytes off */
4257 payloadLen
= cpu_to_le16(len
-hdrlen
);
4258 bap_write(ai
, &payloadLen
, sizeof(payloadLen
),BAP1
);
4259 if (bap_setup(ai
, txFid
, 0x0014, BAP1
) != SUCCESS
) return ERROR
;
4260 bap_write(ai
, (const u16
*)pPacket
, hdrlen
, BAP1
);
4261 bap_write(ai
, hdrlen
== 30 ?
4262 (const u16
*)&gap
.gaplen
: (const u16
*)&gap
, 38 - hdrlen
, BAP1
);
4264 bap_write(ai
, (const u16
*)(pPacket
+ hdrlen
), len
- hdrlen
, BAP1
);
4265 // issue the transmit command
4266 memset( &cmd
, 0, sizeof( cmd
) );
4267 cmd
.cmd
= CMD_TRANSMIT
;
4269 if (issuecommand(ai
, &cmd
, &rsp
) != SUCCESS
) return ERROR
;
4270 if ( (rsp
.status
& 0xFF00) != 0) return ERROR
;
4275 * This is the proc_fs routines. It is a bit messier than I would
4276 * like! Feel free to clean it up!
4279 static ssize_t
proc_read( struct file
*file
,
4280 char __user
*buffer
,
4284 static ssize_t
proc_write( struct file
*file
,
4285 const char __user
*buffer
,
4288 static int proc_close( struct inode
*inode
, struct file
*file
);
4290 static int proc_stats_open( struct inode
*inode
, struct file
*file
);
4291 static int proc_statsdelta_open( struct inode
*inode
, struct file
*file
);
4292 static int proc_status_open( struct inode
*inode
, struct file
*file
);
4293 static int proc_SSID_open( struct inode
*inode
, struct file
*file
);
4294 static int proc_APList_open( struct inode
*inode
, struct file
*file
);
4295 static int proc_BSSList_open( struct inode
*inode
, struct file
*file
);
4296 static int proc_config_open( struct inode
*inode
, struct file
*file
);
4297 static int proc_wepkey_open( struct inode
*inode
, struct file
*file
);
4299 static struct file_operations proc_statsdelta_ops
= {
4301 .open
= proc_statsdelta_open
,
4302 .release
= proc_close
4305 static struct file_operations proc_stats_ops
= {
4307 .open
= proc_stats_open
,
4308 .release
= proc_close
4311 static struct file_operations proc_status_ops
= {
4313 .open
= proc_status_open
,
4314 .release
= proc_close
4317 static struct file_operations proc_SSID_ops
= {
4319 .write
= proc_write
,
4320 .open
= proc_SSID_open
,
4321 .release
= proc_close
4324 static struct file_operations proc_BSSList_ops
= {
4326 .write
= proc_write
,
4327 .open
= proc_BSSList_open
,
4328 .release
= proc_close
4331 static struct file_operations proc_APList_ops
= {
4333 .write
= proc_write
,
4334 .open
= proc_APList_open
,
4335 .release
= proc_close
4338 static struct file_operations proc_config_ops
= {
4340 .write
= proc_write
,
4341 .open
= proc_config_open
,
4342 .release
= proc_close
4345 static struct file_operations proc_wepkey_ops
= {
4347 .write
= proc_write
,
4348 .open
= proc_wepkey_open
,
4349 .release
= proc_close
4352 static struct proc_dir_entry
*airo_entry
;
4361 void (*on_close
) (struct inode
*, struct file
*);
4365 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4368 static int setup_proc_entry( struct net_device
*dev
,
4369 struct airo_info
*apriv
) {
4370 struct proc_dir_entry
*entry
;
4371 /* First setup the device directory */
4372 strcpy(apriv
->proc_name
,dev
->name
);
4373 apriv
->proc_entry
= create_proc_entry(apriv
->proc_name
,
4376 apriv
->proc_entry
->uid
= proc_uid
;
4377 apriv
->proc_entry
->gid
= proc_gid
;
4378 apriv
->proc_entry
->owner
= THIS_MODULE
;
4380 /* Setup the StatsDelta */
4381 entry
= create_proc_entry("StatsDelta",
4382 S_IFREG
| (S_IRUGO
&proc_perm
),
4384 entry
->uid
= proc_uid
;
4385 entry
->gid
= proc_gid
;
4387 entry
->owner
= THIS_MODULE
;
4388 SETPROC_OPS(entry
, proc_statsdelta_ops
);
4390 /* Setup the Stats */
4391 entry
= create_proc_entry("Stats",
4392 S_IFREG
| (S_IRUGO
&proc_perm
),
4394 entry
->uid
= proc_uid
;
4395 entry
->gid
= proc_gid
;
4397 entry
->owner
= THIS_MODULE
;
4398 SETPROC_OPS(entry
, proc_stats_ops
);
4400 /* Setup the Status */
4401 entry
= create_proc_entry("Status",
4402 S_IFREG
| (S_IRUGO
&proc_perm
),
4404 entry
->uid
= proc_uid
;
4405 entry
->gid
= proc_gid
;
4407 entry
->owner
= THIS_MODULE
;
4408 SETPROC_OPS(entry
, proc_status_ops
);
4410 /* Setup the Config */
4411 entry
= create_proc_entry("Config",
4412 S_IFREG
| proc_perm
,
4414 entry
->uid
= proc_uid
;
4415 entry
->gid
= proc_gid
;
4417 entry
->owner
= THIS_MODULE
;
4418 SETPROC_OPS(entry
, proc_config_ops
);
4420 /* Setup the SSID */
4421 entry
= create_proc_entry("SSID",
4422 S_IFREG
| proc_perm
,
4424 entry
->uid
= proc_uid
;
4425 entry
->gid
= proc_gid
;
4427 entry
->owner
= THIS_MODULE
;
4428 SETPROC_OPS(entry
, proc_SSID_ops
);
4430 /* Setup the APList */
4431 entry
= create_proc_entry("APList",
4432 S_IFREG
| proc_perm
,
4434 entry
->uid
= proc_uid
;
4435 entry
->gid
= proc_gid
;
4437 entry
->owner
= THIS_MODULE
;
4438 SETPROC_OPS(entry
, proc_APList_ops
);
4440 /* Setup the BSSList */
4441 entry
= create_proc_entry("BSSList",
4442 S_IFREG
| proc_perm
,
4444 entry
->uid
= proc_uid
;
4445 entry
->gid
= proc_gid
;
4447 entry
->owner
= THIS_MODULE
;
4448 SETPROC_OPS(entry
, proc_BSSList_ops
);
4450 /* Setup the WepKey */
4451 entry
= create_proc_entry("WepKey",
4452 S_IFREG
| proc_perm
,
4454 entry
->uid
= proc_uid
;
4455 entry
->gid
= proc_gid
;
4457 entry
->owner
= THIS_MODULE
;
4458 SETPROC_OPS(entry
, proc_wepkey_ops
);
4463 static int takedown_proc_entry( struct net_device
*dev
,
4464 struct airo_info
*apriv
) {
4465 if ( !apriv
->proc_entry
->namelen
) return 0;
4466 remove_proc_entry("Stats",apriv
->proc_entry
);
4467 remove_proc_entry("StatsDelta",apriv
->proc_entry
);
4468 remove_proc_entry("Status",apriv
->proc_entry
);
4469 remove_proc_entry("Config",apriv
->proc_entry
);
4470 remove_proc_entry("SSID",apriv
->proc_entry
);
4471 remove_proc_entry("APList",apriv
->proc_entry
);
4472 remove_proc_entry("BSSList",apriv
->proc_entry
);
4473 remove_proc_entry("WepKey",apriv
->proc_entry
);
4474 remove_proc_entry(apriv
->proc_name
,airo_entry
);
4479 * What we want from the proc_fs is to be able to efficiently read
4480 * and write the configuration. To do this, we want to read the
4481 * configuration when the file is opened and write it when the file is
4482 * closed. So basically we allocate a read buffer at open and fill it
4483 * with data, and allocate a write buffer and read it at close.
4487 * The read routine is generic, it relies on the preallocated rbuffer
4488 * to supply the data.
4490 static ssize_t
proc_read( struct file
*file
,
4491 char __user
*buffer
,
4495 loff_t pos
= *offset
;
4496 struct proc_data
*priv
= (struct proc_data
*)file
->private_data
;
4503 if (pos
>= priv
->readlen
)
4505 if (len
> priv
->readlen
- pos
)
4506 len
= priv
->readlen
- pos
;
4507 if (copy_to_user(buffer
, priv
->rbuffer
+ pos
, len
))
4509 *offset
= pos
+ len
;
4514 * The write routine is generic, it fills in a preallocated rbuffer
4515 * to supply the data.
4517 static ssize_t
proc_write( struct file
*file
,
4518 const char __user
*buffer
,
4522 loff_t pos
= *offset
;
4523 struct proc_data
*priv
= (struct proc_data
*)file
->private_data
;
4530 if (pos
>= priv
->maxwritelen
)
4532 if (len
> priv
->maxwritelen
- pos
)
4533 len
= priv
->maxwritelen
- pos
;
4534 if (copy_from_user(priv
->wbuffer
+ pos
, buffer
, len
))
4536 if ( pos
+ len
> priv
->writelen
)
4537 priv
->writelen
= len
+ file
->f_pos
;
4538 *offset
= pos
+ len
;
4542 static int proc_status_open( struct inode
*inode
, struct file
*file
) {
4543 struct proc_data
*data
;
4544 struct proc_dir_entry
*dp
= PDE(inode
);
4545 struct net_device
*dev
= dp
->data
;
4546 struct airo_info
*apriv
= dev
->priv
;
4547 CapabilityRid cap_rid
;
4548 StatusRid status_rid
;
4551 if ((file
->private_data
= kmalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
4553 memset(file
->private_data
, 0, sizeof(struct proc_data
));
4554 data
= (struct proc_data
*)file
->private_data
;
4555 if ((data
->rbuffer
= kmalloc( 2048, GFP_KERNEL
)) == NULL
) {
4556 kfree (file
->private_data
);
4560 readStatusRid(apriv
, &status_rid
, 1);
4561 readCapabilityRid(apriv
, &cap_rid
, 1);
4563 i
= sprintf(data
->rbuffer
, "Status: %s%s%s%s%s%s%s%s%s\n",
4564 status_rid
.mode
& 1 ? "CFG ": "",
4565 status_rid
.mode
& 2 ? "ACT ": "",
4566 status_rid
.mode
& 0x10 ? "SYN ": "",
4567 status_rid
.mode
& 0x20 ? "LNK ": "",
4568 status_rid
.mode
& 0x40 ? "LEAP ": "",
4569 status_rid
.mode
& 0x80 ? "PRIV ": "",
4570 status_rid
.mode
& 0x100 ? "KEY ": "",
4571 status_rid
.mode
& 0x200 ? "WEP ": "",
4572 status_rid
.mode
& 0x8000 ? "ERR ": "");
4573 sprintf( data
->rbuffer
+i
, "Mode: %x\n"
4574 "Signal Strength: %d\n"
4575 "Signal Quality: %d\n"
4580 "Driver Version: %s\n"
4581 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4582 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4583 "Software Version: %x\nSoftware Subversion: %x\n"
4584 "Boot block version: %x\n",
4585 (int)status_rid
.mode
,
4586 (int)status_rid
.normalizedSignalStrength
,
4587 (int)status_rid
.signalQuality
,
4588 (int)status_rid
.SSIDlen
,
4591 (int)status_rid
.channel
,
4592 (int)status_rid
.currentXmitRate
/2,
4600 (int)cap_rid
.softVer
,
4601 (int)cap_rid
.softSubVer
,
4602 (int)cap_rid
.bootBlockVer
);
4603 data
->readlen
= strlen( data
->rbuffer
);
4607 static int proc_stats_rid_open(struct inode
*, struct file
*, u16
);
4608 static int proc_statsdelta_open( struct inode
*inode
,
4609 struct file
*file
) {
4610 if (file
->f_mode
&FMODE_WRITE
) {
4611 return proc_stats_rid_open(inode
, file
, RID_STATSDELTACLEAR
);
4613 return proc_stats_rid_open(inode
, file
, RID_STATSDELTA
);
4616 static int proc_stats_open( struct inode
*inode
, struct file
*file
) {
4617 return proc_stats_rid_open(inode
, file
, RID_STATS
);
4620 static int proc_stats_rid_open( struct inode
*inode
,
4623 struct proc_data
*data
;
4624 struct proc_dir_entry
*dp
= PDE(inode
);
4625 struct net_device
*dev
= dp
->data
;
4626 struct airo_info
*apriv
= dev
->priv
;
4629 u32
*vals
= stats
.vals
;
4631 if ((file
->private_data
= kmalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
4633 memset(file
->private_data
, 0, sizeof(struct proc_data
));
4634 data
= (struct proc_data
*)file
->private_data
;
4635 if ((data
->rbuffer
= kmalloc( 4096, GFP_KERNEL
)) == NULL
) {
4636 kfree (file
->private_data
);
4640 readStatsRid(apriv
, &stats
, rid
, 1);
4643 for(i
=0; statsLabels
[i
]!=(char *)-1 &&
4644 i
*4<stats
.len
; i
++){
4645 if (!statsLabels
[i
]) continue;
4646 if (j
+strlen(statsLabels
[i
])+16>4096) {
4648 "airo: Potentially disasterous buffer overflow averted!\n");
4651 j
+=sprintf(data
->rbuffer
+j
, "%s: %u\n", statsLabels
[i
], vals
[i
]);
4653 if (i
*4>=stats
.len
){
4655 "airo: Got a short rid\n");
4661 static int get_dec_u16( char *buffer
, int *start
, int limit
) {
4664 for( value
= 0; buffer
[*start
] >= '0' &&
4665 buffer
[*start
] <= '9' &&
4666 *start
< limit
; (*start
)++ ) {
4669 value
+= buffer
[*start
] - '0';
4671 if ( !valid
) return -1;
4675 static int airo_config_commit(struct net_device
*dev
,
4676 struct iw_request_info
*info
, void *zwrq
,
4679 static void proc_config_on_close( struct inode
*inode
, struct file
*file
) {
4680 struct proc_data
*data
= file
->private_data
;
4681 struct proc_dir_entry
*dp
= PDE(inode
);
4682 struct net_device
*dev
= dp
->data
;
4683 struct airo_info
*ai
= dev
->priv
;
4686 if ( !data
->writelen
) return;
4688 readConfigRid(ai
, 1);
4689 set_bit (FLAG_COMMIT
, &ai
->flags
);
4691 line
= data
->wbuffer
;
4693 /*** Mode processing */
4694 if ( !strncmp( line
, "Mode: ", 6 ) ) {
4696 if ((ai
->config
.rmode
& 0xff) >= RXMODE_RFMON
)
4697 set_bit (FLAG_RESET
, &ai
->flags
);
4698 ai
->config
.rmode
&= 0xfe00;
4699 clear_bit (FLAG_802_11
, &ai
->flags
);
4700 ai
->config
.opmode
&= 0xFF00;
4701 ai
->config
.scanMode
= SCANMODE_ACTIVE
;
4702 if ( line
[0] == 'a' ) {
4703 ai
->config
.opmode
|= 0;
4705 ai
->config
.opmode
|= 1;
4706 if ( line
[0] == 'r' ) {
4707 ai
->config
.rmode
|= RXMODE_RFMON
| RXMODE_DISABLE_802_3_HEADER
;
4708 ai
->config
.scanMode
= SCANMODE_PASSIVE
;
4709 set_bit (FLAG_802_11
, &ai
->flags
);
4710 } else if ( line
[0] == 'y' ) {
4711 ai
->config
.rmode
|= RXMODE_RFMON_ANYBSS
| RXMODE_DISABLE_802_3_HEADER
;
4712 ai
->config
.scanMode
= SCANMODE_PASSIVE
;
4713 set_bit (FLAG_802_11
, &ai
->flags
);
4714 } else if ( line
[0] == 'l' )
4715 ai
->config
.rmode
|= RXMODE_LANMON
;
4717 set_bit (FLAG_COMMIT
, &ai
->flags
);
4720 /*** Radio status */
4721 else if (!strncmp(line
,"Radio: ", 7)) {
4723 if (!strncmp(line
,"off",3)) {
4724 set_bit (FLAG_RADIO_OFF
, &ai
->flags
);
4726 clear_bit (FLAG_RADIO_OFF
, &ai
->flags
);
4729 /*** NodeName processing */
4730 else if ( !strncmp( line
, "NodeName: ", 10 ) ) {
4734 memset( ai
->config
.nodeName
, 0, 16 );
4735 /* Do the name, assume a space between the mode and node name */
4736 for( j
= 0; j
< 16 && line
[j
] != '\n'; j
++ ) {
4737 ai
->config
.nodeName
[j
] = line
[j
];
4739 set_bit (FLAG_COMMIT
, &ai
->flags
);
4742 /*** PowerMode processing */
4743 else if ( !strncmp( line
, "PowerMode: ", 11 ) ) {
4745 if ( !strncmp( line
, "PSPCAM", 6 ) ) {
4746 ai
->config
.powerSaveMode
= POWERSAVE_PSPCAM
;
4747 set_bit (FLAG_COMMIT
, &ai
->flags
);
4748 } else if ( !strncmp( line
, "PSP", 3 ) ) {
4749 ai
->config
.powerSaveMode
= POWERSAVE_PSP
;
4750 set_bit (FLAG_COMMIT
, &ai
->flags
);
4752 ai
->config
.powerSaveMode
= POWERSAVE_CAM
;
4753 set_bit (FLAG_COMMIT
, &ai
->flags
);
4755 } else if ( !strncmp( line
, "DataRates: ", 11 ) ) {
4756 int v
, i
= 0, k
= 0; /* i is index into line,
4757 k is index to rates */
4760 while((v
= get_dec_u16(line
, &i
, 3))!=-1) {
4761 ai
->config
.rates
[k
++] = (u8
)v
;
4765 set_bit (FLAG_COMMIT
, &ai
->flags
);
4766 } else if ( !strncmp( line
, "Channel: ", 9 ) ) {
4769 v
= get_dec_u16(line
, &i
, i
+3);
4771 ai
->config
.channelSet
= (u16
)v
;
4772 set_bit (FLAG_COMMIT
, &ai
->flags
);
4774 } else if ( !strncmp( line
, "XmitPower: ", 11 ) ) {
4777 v
= get_dec_u16(line
, &i
, i
+3);
4779 ai
->config
.txPower
= (u16
)v
;
4780 set_bit (FLAG_COMMIT
, &ai
->flags
);
4782 } else if ( !strncmp( line
, "WEP: ", 5 ) ) {
4786 ai
->config
.authType
= (u16
)AUTH_SHAREDKEY
;
4789 ai
->config
.authType
= (u16
)AUTH_ENCRYPT
;
4792 ai
->config
.authType
= (u16
)AUTH_OPEN
;
4795 set_bit (FLAG_COMMIT
, &ai
->flags
);
4796 } else if ( !strncmp( line
, "LongRetryLimit: ", 16 ) ) {
4800 v
= get_dec_u16(line
, &i
, 3);
4801 v
= (v
<0) ? 0 : ((v
>255) ? 255 : v
);
4802 ai
->config
.longRetryLimit
= (u16
)v
;
4803 set_bit (FLAG_COMMIT
, &ai
->flags
);
4804 } else if ( !strncmp( line
, "ShortRetryLimit: ", 17 ) ) {
4808 v
= get_dec_u16(line
, &i
, 3);
4809 v
= (v
<0) ? 0 : ((v
>255) ? 255 : v
);
4810 ai
->config
.shortRetryLimit
= (u16
)v
;
4811 set_bit (FLAG_COMMIT
, &ai
->flags
);
4812 } else if ( !strncmp( line
, "RTSThreshold: ", 14 ) ) {
4816 v
= get_dec_u16(line
, &i
, 4);
4817 v
= (v
<0) ? 0 : ((v
>2312) ? 2312 : v
);
4818 ai
->config
.rtsThres
= (u16
)v
;
4819 set_bit (FLAG_COMMIT
, &ai
->flags
);
4820 } else if ( !strncmp( line
, "TXMSDULifetime: ", 16 ) ) {
4824 v
= get_dec_u16(line
, &i
, 5);
4826 ai
->config
.txLifetime
= (u16
)v
;
4827 set_bit (FLAG_COMMIT
, &ai
->flags
);
4828 } else if ( !strncmp( line
, "RXMSDULifetime: ", 16 ) ) {
4832 v
= get_dec_u16(line
, &i
, 5);
4834 ai
->config
.rxLifetime
= (u16
)v
;
4835 set_bit (FLAG_COMMIT
, &ai
->flags
);
4836 } else if ( !strncmp( line
, "TXDiversity: ", 13 ) ) {
4837 ai
->config
.txDiversity
=
4838 (line
[13]=='l') ? 1 :
4839 ((line
[13]=='r')? 2: 3);
4840 set_bit (FLAG_COMMIT
, &ai
->flags
);
4841 } else if ( !strncmp( line
, "RXDiversity: ", 13 ) ) {
4842 ai
->config
.rxDiversity
=
4843 (line
[13]=='l') ? 1 :
4844 ((line
[13]=='r')? 2: 3);
4845 set_bit (FLAG_COMMIT
, &ai
->flags
);
4846 } else if ( !strncmp( line
, "FragThreshold: ", 15 ) ) {
4850 v
= get_dec_u16(line
, &i
, 4);
4851 v
= (v
<256) ? 256 : ((v
>2312) ? 2312 : v
);
4852 v
= v
& 0xfffe; /* Make sure its even */
4853 ai
->config
.fragThresh
= (u16
)v
;
4854 set_bit (FLAG_COMMIT
, &ai
->flags
);
4855 } else if (!strncmp(line
, "Modulation: ", 12)) {
4858 case 'd': ai
->config
.modulation
=MOD_DEFAULT
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
4859 case 'c': ai
->config
.modulation
=MOD_CCK
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
4860 case 'm': ai
->config
.modulation
=MOD_MOK
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
4862 printk( KERN_WARNING
"airo: Unknown modulation\n" );
4864 } else if (!strncmp(line
, "Preamble: ", 10)) {
4867 case 'a': ai
->config
.preamble
=PREAMBLE_AUTO
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
4868 case 'l': ai
->config
.preamble
=PREAMBLE_LONG
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
4869 case 's': ai
->config
.preamble
=PREAMBLE_SHORT
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
4870 default: printk(KERN_WARNING
"airo: Unknown preamble\n");
4873 printk( KERN_WARNING
"Couldn't figure out %s\n", line
);
4875 while( line
[0] && line
[0] != '\n' ) line
++;
4876 if ( line
[0] ) line
++;
4878 airo_config_commit(dev
, NULL
, NULL
, NULL
);
4881 static char *get_rmode(u16 mode
) {
4883 case RXMODE_RFMON
: return "rfmon";
4884 case RXMODE_RFMON_ANYBSS
: return "yna (any) bss rfmon";
4885 case RXMODE_LANMON
: return "lanmon";
4890 static int proc_config_open( struct inode
*inode
, struct file
*file
) {
4891 struct proc_data
*data
;
4892 struct proc_dir_entry
*dp
= PDE(inode
);
4893 struct net_device
*dev
= dp
->data
;
4894 struct airo_info
*ai
= dev
->priv
;
4897 if ((file
->private_data
= kmalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
4899 memset(file
->private_data
, 0, sizeof(struct proc_data
));
4900 data
= (struct proc_data
*)file
->private_data
;
4901 if ((data
->rbuffer
= kmalloc( 2048, GFP_KERNEL
)) == NULL
) {
4902 kfree (file
->private_data
);
4905 if ((data
->wbuffer
= kmalloc( 2048, GFP_KERNEL
)) == NULL
) {
4906 kfree (data
->rbuffer
);
4907 kfree (file
->private_data
);
4910 memset( data
->wbuffer
, 0, 2048 );
4911 data
->maxwritelen
= 2048;
4912 data
->on_close
= proc_config_on_close
;
4914 readConfigRid(ai
, 1);
4916 i
= sprintf( data
->rbuffer
,
4921 "DataRates: %d %d %d %d %d %d %d %d\n"
4924 (ai
->config
.opmode
& 0xFF) == 0 ? "adhoc" :
4925 (ai
->config
.opmode
& 0xFF) == 1 ? get_rmode(ai
->config
.rmode
):
4926 (ai
->config
.opmode
& 0xFF) == 2 ? "AP" :
4927 (ai
->config
.opmode
& 0xFF) == 3 ? "AP RPTR" : "Error",
4928 test_bit(FLAG_RADIO_OFF
, &ai
->flags
) ? "off" : "on",
4929 ai
->config
.nodeName
,
4930 ai
->config
.powerSaveMode
== 0 ? "CAM" :
4931 ai
->config
.powerSaveMode
== 1 ? "PSP" :
4932 ai
->config
.powerSaveMode
== 2 ? "PSPCAM" : "Error",
4933 (int)ai
->config
.rates
[0],
4934 (int)ai
->config
.rates
[1],
4935 (int)ai
->config
.rates
[2],
4936 (int)ai
->config
.rates
[3],
4937 (int)ai
->config
.rates
[4],
4938 (int)ai
->config
.rates
[5],
4939 (int)ai
->config
.rates
[6],
4940 (int)ai
->config
.rates
[7],
4941 (int)ai
->config
.channelSet
,
4942 (int)ai
->config
.txPower
4944 sprintf( data
->rbuffer
+ i
,
4945 "LongRetryLimit: %d\n"
4946 "ShortRetryLimit: %d\n"
4947 "RTSThreshold: %d\n"
4948 "TXMSDULifetime: %d\n"
4949 "RXMSDULifetime: %d\n"
4952 "FragThreshold: %d\n"
4956 (int)ai
->config
.longRetryLimit
,
4957 (int)ai
->config
.shortRetryLimit
,
4958 (int)ai
->config
.rtsThres
,
4959 (int)ai
->config
.txLifetime
,
4960 (int)ai
->config
.rxLifetime
,
4961 ai
->config
.txDiversity
== 1 ? "left" :
4962 ai
->config
.txDiversity
== 2 ? "right" : "both",
4963 ai
->config
.rxDiversity
== 1 ? "left" :
4964 ai
->config
.rxDiversity
== 2 ? "right" : "both",
4965 (int)ai
->config
.fragThresh
,
4966 ai
->config
.authType
== AUTH_ENCRYPT
? "encrypt" :
4967 ai
->config
.authType
== AUTH_SHAREDKEY
? "shared" : "open",
4968 ai
->config
.modulation
== 0 ? "default" :
4969 ai
->config
.modulation
== MOD_CCK
? "cck" :
4970 ai
->config
.modulation
== MOD_MOK
? "mok" : "error",
4971 ai
->config
.preamble
== PREAMBLE_AUTO
? "auto" :
4972 ai
->config
.preamble
== PREAMBLE_LONG
? "long" :
4973 ai
->config
.preamble
== PREAMBLE_SHORT
? "short" : "error"
4975 data
->readlen
= strlen( data
->rbuffer
);
4979 static void proc_SSID_on_close( struct inode
*inode
, struct file
*file
) {
4980 struct proc_data
*data
= (struct proc_data
*)file
->private_data
;
4981 struct proc_dir_entry
*dp
= PDE(inode
);
4982 struct net_device
*dev
= dp
->data
;
4983 struct airo_info
*ai
= dev
->priv
;
4989 if ( !data
->writelen
) return;
4991 memset( &SSID_rid
, 0, sizeof( SSID_rid
) );
4993 for( i
= 0; i
< 3; i
++ ) {
4995 for( j
= 0; j
+offset
< data
->writelen
&& j
< 32 &&
4996 data
->wbuffer
[offset
+j
] != '\n'; j
++ ) {
4997 SSID_rid
.ssids
[i
].ssid
[j
] = data
->wbuffer
[offset
+j
];
4999 if ( j
== 0 ) break;
5000 SSID_rid
.ssids
[i
].len
= j
;
5002 while( data
->wbuffer
[offset
] != '\n' &&
5003 offset
< data
->writelen
) offset
++;
5007 SSID_rid
.len
= sizeof(SSID_rid
);
5009 writeSsidRid(ai
, &SSID_rid
, 1);
5010 enable_MAC(ai
, &rsp
, 1);
5013 inline static u8
hexVal(char c
) {
5014 if (c
>='0' && c
<='9') return c
-= '0';
5015 if (c
>='a' && c
<='f') return c
-= 'a'-10;
5016 if (c
>='A' && c
<='F') return c
-= 'A'-10;
5020 static void proc_APList_on_close( struct inode
*inode
, struct file
*file
) {
5021 struct proc_data
*data
= (struct proc_data
*)file
->private_data
;
5022 struct proc_dir_entry
*dp
= PDE(inode
);
5023 struct net_device
*dev
= dp
->data
;
5024 struct airo_info
*ai
= dev
->priv
;
5025 APListRid APList_rid
;
5029 if ( !data
->writelen
) return;
5031 memset( &APList_rid
, 0, sizeof(APList_rid
) );
5032 APList_rid
.len
= sizeof(APList_rid
);
5034 for( i
= 0; i
< 4 && data
->writelen
>= (i
+1)*6*3; i
++ ) {
5036 for( j
= 0; j
< 6*3 && data
->wbuffer
[j
+i
*6*3]; j
++ ) {
5039 APList_rid
.ap
[i
][j
/3]=
5040 hexVal(data
->wbuffer
[j
+i
*6*3])<<4;
5043 APList_rid
.ap
[i
][j
/3]|=
5044 hexVal(data
->wbuffer
[j
+i
*6*3]);
5050 writeAPListRid(ai
, &APList_rid
, 1);
5051 enable_MAC(ai
, &rsp
, 1);
5054 /* This function wraps PC4500_writerid with a MAC disable */
5055 static int do_writerid( struct airo_info
*ai
, u16 rid
, const void *rid_data
,
5056 int len
, int dummy
) {
5061 rc
= PC4500_writerid(ai
, rid
, rid_data
, len
, 1);
5062 enable_MAC(ai
, &rsp
, 1);
5066 /* Returns the length of the key at the index. If index == 0xffff
5067 * the index of the transmit key is returned. If the key doesn't exist,
5068 * -1 will be returned.
5070 static int get_wep_key(struct airo_info
*ai
, u16 index
) {
5075 rc
= readWepKeyRid(ai
, &wkr
, 1, 1);
5076 if (rc
== SUCCESS
) do {
5077 lastindex
= wkr
.kindex
;
5078 if (wkr
.kindex
== index
) {
5079 if (index
== 0xffff) {
5084 readWepKeyRid(ai
, &wkr
, 0, 1);
5085 } while(lastindex
!= wkr
.kindex
);
5089 static int set_wep_key(struct airo_info
*ai
, u16 index
,
5090 const char *key
, u16 keylen
, int perm
, int lock
) {
5091 static const unsigned char macaddr
[ETH_ALEN
] = { 0x01, 0, 0, 0, 0, 0 };
5095 memset(&wkr
, 0, sizeof(wkr
));
5097 // We are selecting which key to use
5098 wkr
.len
= sizeof(wkr
);
5099 wkr
.kindex
= 0xffff;
5100 wkr
.mac
[0] = (char)index
;
5101 if (perm
) printk(KERN_INFO
"Setting transmit key to %d\n", index
);
5102 if (perm
) ai
->defindex
= (char)index
;
5104 // We are actually setting the key
5105 wkr
.len
= sizeof(wkr
);
5108 memcpy( wkr
.key
, key
, keylen
);
5109 memcpy( wkr
.mac
, macaddr
, ETH_ALEN
);
5110 printk(KERN_INFO
"Setting key %d\n", index
);
5113 disable_MAC(ai
, lock
);
5114 writeWepKeyRid(ai
, &wkr
, perm
, lock
);
5115 enable_MAC(ai
, &rsp
, lock
);
5119 static void proc_wepkey_on_close( struct inode
*inode
, struct file
*file
) {
5120 struct proc_data
*data
;
5121 struct proc_dir_entry
*dp
= PDE(inode
);
5122 struct net_device
*dev
= dp
->data
;
5123 struct airo_info
*ai
= dev
->priv
;
5129 memset(key
, 0, sizeof(key
));
5131 data
= (struct proc_data
*)file
->private_data
;
5132 if ( !data
->writelen
) return;
5134 if (data
->wbuffer
[0] >= '0' && data
->wbuffer
[0] <= '3' &&
5135 (data
->wbuffer
[1] == ' ' || data
->wbuffer
[1] == '\n')) {
5136 index
= data
->wbuffer
[0] - '0';
5137 if (data
->wbuffer
[1] == '\n') {
5138 set_wep_key(ai
, index
, NULL
, 0, 1, 1);
5143 printk(KERN_ERR
"airo: WepKey passed invalid key index\n");
5147 for( i
= 0; i
< 16*3 && data
->wbuffer
[i
+j
]; i
++ ) {
5150 key
[i
/3] = hexVal(data
->wbuffer
[i
+j
])<<4;
5153 key
[i
/3] |= hexVal(data
->wbuffer
[i
+j
]);
5157 set_wep_key(ai
, index
, key
, i
/3, 1, 1);
5160 static int proc_wepkey_open( struct inode
*inode
, struct file
*file
) {
5161 struct proc_data
*data
;
5162 struct proc_dir_entry
*dp
= PDE(inode
);
5163 struct net_device
*dev
= dp
->data
;
5164 struct airo_info
*ai
= dev
->priv
;
5171 if ((file
->private_data
= kmalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5173 memset(file
->private_data
, 0, sizeof(struct proc_data
));
5174 memset(&wkr
, 0, sizeof(wkr
));
5175 data
= (struct proc_data
*)file
->private_data
;
5176 if ((data
->rbuffer
= kmalloc( 180, GFP_KERNEL
)) == NULL
) {
5177 kfree (file
->private_data
);
5180 memset(data
->rbuffer
, 0, 180);
5182 data
->maxwritelen
= 80;
5183 if ((data
->wbuffer
= kmalloc( 80, GFP_KERNEL
)) == NULL
) {
5184 kfree (data
->rbuffer
);
5185 kfree (file
->private_data
);
5188 memset( data
->wbuffer
, 0, 80 );
5189 data
->on_close
= proc_wepkey_on_close
;
5191 ptr
= data
->rbuffer
;
5192 strcpy(ptr
, "No wep keys\n");
5193 rc
= readWepKeyRid(ai
, &wkr
, 1, 1);
5194 if (rc
== SUCCESS
) do {
5195 lastindex
= wkr
.kindex
;
5196 if (wkr
.kindex
== 0xffff) {
5197 j
+= sprintf(ptr
+j
, "Tx key = %d\n",
5200 j
+= sprintf(ptr
+j
, "Key %d set with length = %d\n",
5201 (int)wkr
.kindex
, (int)wkr
.klen
);
5203 readWepKeyRid(ai
, &wkr
, 0, 1);
5204 } while((lastindex
!= wkr
.kindex
) && (j
< 180-30));
5206 data
->readlen
= strlen( data
->rbuffer
);
5210 static int proc_SSID_open( struct inode
*inode
, struct file
*file
) {
5211 struct proc_data
*data
;
5212 struct proc_dir_entry
*dp
= PDE(inode
);
5213 struct net_device
*dev
= dp
->data
;
5214 struct airo_info
*ai
= dev
->priv
;
5219 if ((file
->private_data
= kmalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5221 memset(file
->private_data
, 0, sizeof(struct proc_data
));
5222 data
= (struct proc_data
*)file
->private_data
;
5223 if ((data
->rbuffer
= kmalloc( 104, GFP_KERNEL
)) == NULL
) {
5224 kfree (file
->private_data
);
5228 data
->maxwritelen
= 33*3;
5229 if ((data
->wbuffer
= kmalloc( 33*3, GFP_KERNEL
)) == NULL
) {
5230 kfree (data
->rbuffer
);
5231 kfree (file
->private_data
);
5234 memset( data
->wbuffer
, 0, 33*3 );
5235 data
->on_close
= proc_SSID_on_close
;
5237 readSsidRid(ai
, &SSID_rid
);
5238 ptr
= data
->rbuffer
;
5239 for( i
= 0; i
< 3; i
++ ) {
5241 if ( !SSID_rid
.ssids
[i
].len
) break;
5242 for( j
= 0; j
< 32 &&
5243 j
< SSID_rid
.ssids
[i
].len
&&
5244 SSID_rid
.ssids
[i
].ssid
[j
]; j
++ ) {
5245 *ptr
++ = SSID_rid
.ssids
[i
].ssid
[j
];
5250 data
->readlen
= strlen( data
->rbuffer
);
5254 static int proc_APList_open( struct inode
*inode
, struct file
*file
) {
5255 struct proc_data
*data
;
5256 struct proc_dir_entry
*dp
= PDE(inode
);
5257 struct net_device
*dev
= dp
->data
;
5258 struct airo_info
*ai
= dev
->priv
;
5261 APListRid APList_rid
;
5263 if ((file
->private_data
= kmalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5265 memset(file
->private_data
, 0, sizeof(struct proc_data
));
5266 data
= (struct proc_data
*)file
->private_data
;
5267 if ((data
->rbuffer
= kmalloc( 104, GFP_KERNEL
)) == NULL
) {
5268 kfree (file
->private_data
);
5272 data
->maxwritelen
= 4*6*3;
5273 if ((data
->wbuffer
= kmalloc( data
->maxwritelen
, GFP_KERNEL
)) == NULL
) {
5274 kfree (data
->rbuffer
);
5275 kfree (file
->private_data
);
5278 memset( data
->wbuffer
, 0, data
->maxwritelen
);
5279 data
->on_close
= proc_APList_on_close
;
5281 readAPListRid(ai
, &APList_rid
);
5282 ptr
= data
->rbuffer
;
5283 for( i
= 0; i
< 4; i
++ ) {
5284 // We end when we find a zero MAC
5285 if ( !*(int*)APList_rid
.ap
[i
] &&
5286 !*(int*)&APList_rid
.ap
[i
][2]) break;
5287 ptr
+= sprintf(ptr
, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5288 (int)APList_rid
.ap
[i
][0],
5289 (int)APList_rid
.ap
[i
][1],
5290 (int)APList_rid
.ap
[i
][2],
5291 (int)APList_rid
.ap
[i
][3],
5292 (int)APList_rid
.ap
[i
][4],
5293 (int)APList_rid
.ap
[i
][5]);
5295 if (i
==0) ptr
+= sprintf(ptr
, "Not using specific APs\n");
5298 data
->readlen
= strlen( data
->rbuffer
);
5302 static int proc_BSSList_open( struct inode
*inode
, struct file
*file
) {
5303 struct proc_data
*data
;
5304 struct proc_dir_entry
*dp
= PDE(inode
);
5305 struct net_device
*dev
= dp
->data
;
5306 struct airo_info
*ai
= dev
->priv
;
5308 BSSListRid BSSList_rid
;
5310 /* If doLoseSync is not 1, we won't do a Lose Sync */
5311 int doLoseSync
= -1;
5313 if ((file
->private_data
= kmalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5315 memset(file
->private_data
, 0, sizeof(struct proc_data
));
5316 data
= (struct proc_data
*)file
->private_data
;
5317 if ((data
->rbuffer
= kmalloc( 1024, GFP_KERNEL
)) == NULL
) {
5318 kfree (file
->private_data
);
5322 data
->maxwritelen
= 0;
5323 data
->wbuffer
= NULL
;
5324 data
->on_close
= NULL
;
5326 if (file
->f_mode
& FMODE_WRITE
) {
5327 if (!(file
->f_mode
& FMODE_READ
)) {
5331 if (ai
->flags
& FLAG_RADIO_MASK
) return -ENETDOWN
;
5332 memset(&cmd
, 0, sizeof(cmd
));
5333 cmd
.cmd
=CMD_LISTBSS
;
5334 if (down_interruptible(&ai
->sem
))
5335 return -ERESTARTSYS
;
5336 issuecommand(ai
, &cmd
, &rsp
);
5343 ptr
= data
->rbuffer
;
5344 /* There is a race condition here if there are concurrent opens.
5345 Since it is a rare condition, we'll just live with it, otherwise
5346 we have to add a spin lock... */
5347 rc
= readBSSListRid(ai
, doLoseSync
, &BSSList_rid
);
5348 while(rc
== 0 && BSSList_rid
.index
!= 0xffff) {
5349 ptr
+= sprintf(ptr
, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5350 (int)BSSList_rid
.bssid
[0],
5351 (int)BSSList_rid
.bssid
[1],
5352 (int)BSSList_rid
.bssid
[2],
5353 (int)BSSList_rid
.bssid
[3],
5354 (int)BSSList_rid
.bssid
[4],
5355 (int)BSSList_rid
.bssid
[5],
5356 (int)BSSList_rid
.ssidLen
,
5358 (int)BSSList_rid
.rssi
);
5359 ptr
+= sprintf(ptr
, " channel = %d %s %s %s %s\n",
5360 (int)BSSList_rid
.dsChannel
,
5361 BSSList_rid
.cap
& CAP_ESS
? "ESS" : "",
5362 BSSList_rid
.cap
& CAP_IBSS
? "adhoc" : "",
5363 BSSList_rid
.cap
& CAP_PRIVACY
? "wep" : "",
5364 BSSList_rid
.cap
& CAP_SHORTHDR
? "shorthdr" : "");
5365 rc
= readBSSListRid(ai
, 0, &BSSList_rid
);
5368 data
->readlen
= strlen( data
->rbuffer
);
5372 static int proc_close( struct inode
*inode
, struct file
*file
)
5374 struct proc_data
*data
= (struct proc_data
*)file
->private_data
;
5375 if ( data
->on_close
!= NULL
) data
->on_close( inode
, file
);
5376 if ( data
->rbuffer
) kfree( data
->rbuffer
);
5377 if ( data
->wbuffer
) kfree( data
->wbuffer
);
5382 static struct net_device_list
{
5383 struct net_device
*dev
;
5384 struct net_device_list
*next
;
5387 /* Since the card doesn't automatically switch to the right WEP mode,
5388 we will make it do it. If the card isn't associated, every secs we
5389 will switch WEP modes to see if that will help. If the card is
5390 associated we will check every minute to see if anything has
5392 static void timer_func( struct net_device
*dev
) {
5393 struct airo_info
*apriv
= dev
->priv
;
5396 /* We don't have a link so try changing the authtype */
5397 readConfigRid(apriv
, 0);
5398 disable_MAC(apriv
, 0);
5399 switch(apriv
->config
.authType
) {
5401 /* So drop to OPEN */
5402 apriv
->config
.authType
= AUTH_OPEN
;
5404 case AUTH_SHAREDKEY
:
5405 if (apriv
->keyindex
< auto_wep
) {
5406 set_wep_key(apriv
, apriv
->keyindex
, NULL
, 0, 0, 0);
5407 apriv
->config
.authType
= AUTH_SHAREDKEY
;
5410 /* Drop to ENCRYPT */
5411 apriv
->keyindex
= 0;
5412 set_wep_key(apriv
, apriv
->defindex
, NULL
, 0, 0, 0);
5413 apriv
->config
.authType
= AUTH_ENCRYPT
;
5416 default: /* We'll escalate to SHAREDKEY */
5417 apriv
->config
.authType
= AUTH_SHAREDKEY
;
5419 set_bit (FLAG_COMMIT
, &apriv
->flags
);
5420 writeConfigRid(apriv
, 0);
5421 enable_MAC(apriv
, &rsp
, 0);
5424 /* Schedule check to see if the change worked */
5425 clear_bit(JOB_AUTOWEP
, &apriv
->flags
);
5426 apriv
->expires
= RUN_AT(HZ
*3);
5429 static int add_airo_dev( struct net_device
*dev
) {
5430 struct net_device_list
*node
= kmalloc( sizeof( *node
), GFP_KERNEL
);
5435 node
->next
= airo_devices
;
5436 airo_devices
= node
;
5441 static void del_airo_dev( struct net_device
*dev
) {
5442 struct net_device_list
**p
= &airo_devices
;
5443 while( *p
&& ( (*p
)->dev
!= dev
) )
5445 if ( *p
&& (*p
)->dev
== dev
)
5450 static int __devinit
airo_pci_probe(struct pci_dev
*pdev
,
5451 const struct pci_device_id
*pent
)
5453 struct net_device
*dev
;
5455 if (pci_enable_device(pdev
))
5457 pci_set_master(pdev
);
5459 if (pdev
->device
== 0x5000 || pdev
->device
== 0xa504)
5460 dev
= _init_airo_card(pdev
->irq
, pdev
->resource
[0].start
, 0, pdev
, &pdev
->dev
);
5462 dev
= _init_airo_card(pdev
->irq
, pdev
->resource
[2].start
, 0, pdev
, &pdev
->dev
);
5466 pci_set_drvdata(pdev
, dev
);
5470 static void __devexit
airo_pci_remove(struct pci_dev
*pdev
)
5474 static int airo_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
5476 struct net_device
*dev
= pci_get_drvdata(pdev
);
5477 struct airo_info
*ai
= dev
->priv
;
5481 if ((ai
->APList
== NULL
) &&
5482 (ai
->APList
= kmalloc(sizeof(APListRid
), GFP_KERNEL
)) == NULL
)
5484 if ((ai
->SSID
== NULL
) &&
5485 (ai
->SSID
= kmalloc(sizeof(SsidRid
), GFP_KERNEL
)) == NULL
)
5487 readAPListRid(ai
, ai
->APList
);
5488 readSsidRid(ai
, ai
->SSID
);
5489 memset(&cmd
, 0, sizeof(cmd
));
5490 /* the lock will be released at the end of the resume callback */
5491 if (down_interruptible(&ai
->sem
))
5494 netif_device_detach(dev
);
5497 issuecommand(ai
, &cmd
, &rsp
);
5499 pci_enable_wake(pdev
, state
, 1);
5500 pci_save_state(pdev
);
5501 return pci_set_power_state(pdev
, state
);
5504 static int airo_pci_resume(struct pci_dev
*pdev
)
5506 struct net_device
*dev
= pci_get_drvdata(pdev
);
5507 struct airo_info
*ai
= dev
->priv
;
5510 pci_set_power_state(pdev
, 0);
5511 pci_restore_state(pdev
);
5512 pci_enable_wake(pdev
, ai
->power
, 0);
5514 if (ai
->power
> 1) {
5516 mpi_init_descriptors(ai
);
5517 setup_card(ai
, dev
->dev_addr
, 0);
5518 clear_bit(FLAG_RADIO_OFF
, &ai
->flags
);
5519 clear_bit(FLAG_PENDING_XMIT
, &ai
->flags
);
5521 OUT4500(ai
, EVACK
, EV_AWAKEN
);
5522 OUT4500(ai
, EVACK
, EV_AWAKEN
);
5526 set_bit (FLAG_COMMIT
, &ai
->flags
);
5530 writeSsidRid(ai
, ai
->SSID
, 0);
5535 writeAPListRid(ai
, ai
->APList
, 0);
5539 writeConfigRid(ai
, 0);
5540 enable_MAC(ai
, &rsp
, 0);
5542 netif_device_attach(dev
);
5543 netif_wake_queue(dev
);
5544 enable_interrupts(ai
);
5550 static int __init
airo_init_module( void )
5552 int i
, have_isa_dev
= 0;
5554 airo_entry
= create_proc_entry("aironet",
5555 S_IFDIR
| airo_perm
,
5557 airo_entry
->uid
= proc_uid
;
5558 airo_entry
->gid
= proc_gid
;
5560 for( i
= 0; i
< 4 && io
[i
] && irq
[i
]; i
++ ) {
5562 "airo: Trying to configure ISA adapter at irq=%d io=0x%x\n",
5564 if (init_airo_card( irq
[i
], io
[i
], 0, NULL
))
5569 printk( KERN_INFO
"airo: Probing for PCI adapters\n" );
5570 pci_register_driver(&airo_driver
);
5571 printk( KERN_INFO
"airo: Finished probing for PCI adapters\n" );
5574 /* Always exit with success, as we are a library module
5575 * as well as a driver module
5580 static void __exit
airo_cleanup_module( void )
5582 while( airo_devices
) {
5583 printk( KERN_INFO
"airo: Unregistering %s\n", airo_devices
->dev
->name
);
5584 stop_airo_card( airo_devices
->dev
, 1 );
5587 pci_unregister_driver(&airo_driver
);
5589 remove_proc_entry("aironet", proc_root_driver
);
5594 * Initial Wireless Extension code for Aironet driver by :
5595 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5596 * Conversion to new driver API by :
5597 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5598 * Javier also did a good amount of work here, adding some new extensions
5599 * and fixing my code. Let's just say that without him this code just
5600 * would not work at all... - Jean II
5603 static int airo_get_quality (StatusRid
*status_rid
, CapabilityRid
*cap_rid
)
5607 if ((status_rid
->mode
& 0x3f) == 0x3f && (cap_rid
->hardCap
& 8)) {
5608 if (memcmp(cap_rid
->prodName
, "350", 3))
5609 if (status_rid
->signalQuality
> 0x20)
5612 quality
= 0x20 - status_rid
->signalQuality
;
5614 if (status_rid
->signalQuality
> 0xb0)
5616 else if (status_rid
->signalQuality
< 0x10)
5619 quality
= 0xb0 - status_rid
->signalQuality
;
5624 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5625 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5627 /*------------------------------------------------------------------*/
5629 * Wireless Handler : get protocol name
5631 static int airo_get_name(struct net_device
*dev
,
5632 struct iw_request_info
*info
,
5636 strcpy(cwrq
, "IEEE 802.11-DS");
5640 /*------------------------------------------------------------------*/
5642 * Wireless Handler : set frequency
5644 static int airo_set_freq(struct net_device
*dev
,
5645 struct iw_request_info
*info
,
5646 struct iw_freq
*fwrq
,
5649 struct airo_info
*local
= dev
->priv
;
5650 int rc
= -EINPROGRESS
; /* Call commit handler */
5652 /* If setting by frequency, convert to a channel */
5653 if((fwrq
->e
== 1) &&
5654 (fwrq
->m
>= (int) 2.412e8
) &&
5655 (fwrq
->m
<= (int) 2.487e8
)) {
5656 int f
= fwrq
->m
/ 100000;
5658 while((c
< 14) && (f
!= frequency_list
[c
]))
5660 /* Hack to fall through... */
5664 /* Setting by channel number */
5665 if((fwrq
->m
> 1000) || (fwrq
->e
> 0))
5668 int channel
= fwrq
->m
;
5669 /* We should do a better check than that,
5670 * based on the card capability !!! */
5671 if((channel
< 1) || (channel
> 16)) {
5672 printk(KERN_DEBUG
"%s: New channel value of %d is invalid!\n", dev
->name
, fwrq
->m
);
5675 readConfigRid(local
, 1);
5676 /* Yes ! We can set it !!! */
5677 local
->config
.channelSet
= (u16
)(channel
- 1);
5678 set_bit (FLAG_COMMIT
, &local
->flags
);
5684 /*------------------------------------------------------------------*/
5686 * Wireless Handler : get frequency
5688 static int airo_get_freq(struct net_device
*dev
,
5689 struct iw_request_info
*info
,
5690 struct iw_freq
*fwrq
,
5693 struct airo_info
*local
= dev
->priv
;
5694 StatusRid status_rid
; /* Card status info */
5696 readConfigRid(local
, 1);
5697 if ((local
->config
.opmode
& 0xFF) == MODE_STA_ESS
)
5698 status_rid
.channel
= local
->config
.channelSet
;
5700 readStatusRid(local
, &status_rid
, 1);
5702 #ifdef WEXT_USECHANNELS
5703 fwrq
->m
= ((int)status_rid
.channel
) + 1;
5707 int f
= (int)status_rid
.channel
;
5708 fwrq
->m
= frequency_list
[f
] * 100000;
5716 /*------------------------------------------------------------------*/
5718 * Wireless Handler : set ESSID
5720 static int airo_set_essid(struct net_device
*dev
,
5721 struct iw_request_info
*info
,
5722 struct iw_point
*dwrq
,
5725 struct airo_info
*local
= dev
->priv
;
5727 SsidRid SSID_rid
; /* SSIDs */
5729 /* Reload the list of current SSID */
5730 readSsidRid(local
, &SSID_rid
);
5732 /* Check if we asked for `any' */
5733 if(dwrq
->flags
== 0) {
5734 /* Just send an empty SSID list */
5735 memset(&SSID_rid
, 0, sizeof(SSID_rid
));
5737 int index
= (dwrq
->flags
& IW_ENCODE_INDEX
) - 1;
5739 /* Check the size of the string */
5740 if(dwrq
->length
> IW_ESSID_MAX_SIZE
+1) {
5743 /* Check if index is valid */
5744 if((index
< 0) || (index
>= 4)) {
5749 memset(SSID_rid
.ssids
[index
].ssid
, 0,
5750 sizeof(SSID_rid
.ssids
[index
].ssid
));
5751 memcpy(SSID_rid
.ssids
[index
].ssid
, extra
, dwrq
->length
);
5752 SSID_rid
.ssids
[index
].len
= dwrq
->length
- 1;
5754 SSID_rid
.len
= sizeof(SSID_rid
);
5755 /* Write it to the card */
5756 disable_MAC(local
, 1);
5757 writeSsidRid(local
, &SSID_rid
, 1);
5758 enable_MAC(local
, &rsp
, 1);
5763 /*------------------------------------------------------------------*/
5765 * Wireless Handler : get ESSID
5767 static int airo_get_essid(struct net_device
*dev
,
5768 struct iw_request_info
*info
,
5769 struct iw_point
*dwrq
,
5772 struct airo_info
*local
= dev
->priv
;
5773 StatusRid status_rid
; /* Card status info */
5775 readStatusRid(local
, &status_rid
, 1);
5777 /* Note : if dwrq->flags != 0, we should
5778 * get the relevant SSID from the SSID list... */
5780 /* Get the current SSID */
5781 memcpy(extra
, status_rid
.SSID
, status_rid
.SSIDlen
);
5782 extra
[status_rid
.SSIDlen
] = '\0';
5783 /* If none, we may want to get the one that was set */
5786 dwrq
->length
= status_rid
.SSIDlen
+ 1;
5787 dwrq
->flags
= 1; /* active */
5792 /*------------------------------------------------------------------*/
5794 * Wireless Handler : set AP address
5796 static int airo_set_wap(struct net_device
*dev
,
5797 struct iw_request_info
*info
,
5798 struct sockaddr
*awrq
,
5801 struct airo_info
*local
= dev
->priv
;
5804 APListRid APList_rid
;
5805 static const unsigned char bcast
[ETH_ALEN
] = { 255, 255, 255, 255, 255, 255 };
5807 if (awrq
->sa_family
!= ARPHRD_ETHER
)
5809 else if (!memcmp(bcast
, awrq
->sa_data
, ETH_ALEN
)) {
5810 memset(&cmd
, 0, sizeof(cmd
));
5811 cmd
.cmd
=CMD_LOSE_SYNC
;
5812 if (down_interruptible(&local
->sem
))
5813 return -ERESTARTSYS
;
5814 issuecommand(local
, &cmd
, &rsp
);
5817 memset(&APList_rid
, 0, sizeof(APList_rid
));
5818 APList_rid
.len
= sizeof(APList_rid
);
5819 memcpy(APList_rid
.ap
[0], awrq
->sa_data
, ETH_ALEN
);
5820 disable_MAC(local
, 1);
5821 writeAPListRid(local
, &APList_rid
, 1);
5822 enable_MAC(local
, &rsp
, 1);
5827 /*------------------------------------------------------------------*/
5829 * Wireless Handler : get AP address
5831 static int airo_get_wap(struct net_device
*dev
,
5832 struct iw_request_info
*info
,
5833 struct sockaddr
*awrq
,
5836 struct airo_info
*local
= dev
->priv
;
5837 StatusRid status_rid
; /* Card status info */
5839 readStatusRid(local
, &status_rid
, 1);
5841 /* Tentative. This seems to work, wow, I'm lucky !!! */
5842 memcpy(awrq
->sa_data
, status_rid
.bssid
[0], ETH_ALEN
);
5843 awrq
->sa_family
= ARPHRD_ETHER
;
5848 /*------------------------------------------------------------------*/
5850 * Wireless Handler : set Nickname
5852 static int airo_set_nick(struct net_device
*dev
,
5853 struct iw_request_info
*info
,
5854 struct iw_point
*dwrq
,
5857 struct airo_info
*local
= dev
->priv
;
5859 /* Check the size of the string */
5860 if(dwrq
->length
> 16 + 1) {
5863 readConfigRid(local
, 1);
5864 memset(local
->config
.nodeName
, 0, sizeof(local
->config
.nodeName
));
5865 memcpy(local
->config
.nodeName
, extra
, dwrq
->length
);
5866 set_bit (FLAG_COMMIT
, &local
->flags
);
5868 return -EINPROGRESS
; /* Call commit handler */
5871 /*------------------------------------------------------------------*/
5873 * Wireless Handler : get Nickname
5875 static int airo_get_nick(struct net_device
*dev
,
5876 struct iw_request_info
*info
,
5877 struct iw_point
*dwrq
,
5880 struct airo_info
*local
= dev
->priv
;
5882 readConfigRid(local
, 1);
5883 strncpy(extra
, local
->config
.nodeName
, 16);
5885 dwrq
->length
= strlen(extra
) + 1;
5890 /*------------------------------------------------------------------*/
5892 * Wireless Handler : set Bit-Rate
5894 static int airo_set_rate(struct net_device
*dev
,
5895 struct iw_request_info
*info
,
5896 struct iw_param
*vwrq
,
5899 struct airo_info
*local
= dev
->priv
;
5900 CapabilityRid cap_rid
; /* Card capability info */
5904 /* First : get a valid bit rate value */
5905 readCapabilityRid(local
, &cap_rid
, 1);
5907 /* Which type of value ? */
5908 if((vwrq
->value
< 8) && (vwrq
->value
>= 0)) {
5909 /* Setting by rate index */
5910 /* Find value in the magic rate table */
5911 brate
= cap_rid
.supportedRates
[vwrq
->value
];
5913 /* Setting by frequency value */
5914 u8 normvalue
= (u8
) (vwrq
->value
/500000);
5916 /* Check if rate is valid */
5917 for(i
= 0 ; i
< 8 ; i
++) {
5918 if(normvalue
== cap_rid
.supportedRates
[i
]) {
5924 /* -1 designed the max rate (mostly auto mode) */
5925 if(vwrq
->value
== -1) {
5926 /* Get the highest available rate */
5927 for(i
= 0 ; i
< 8 ; i
++) {
5928 if(cap_rid
.supportedRates
[i
] == 0)
5932 brate
= cap_rid
.supportedRates
[i
- 1];
5934 /* Check that it is valid */
5939 readConfigRid(local
, 1);
5940 /* Now, check if we want a fixed or auto value */
5941 if(vwrq
->fixed
== 0) {
5942 /* Fill all the rates up to this max rate */
5943 memset(local
->config
.rates
, 0, 8);
5944 for(i
= 0 ; i
< 8 ; i
++) {
5945 local
->config
.rates
[i
] = cap_rid
.supportedRates
[i
];
5946 if(local
->config
.rates
[i
] == brate
)
5951 /* One rate, fixed */
5952 memset(local
->config
.rates
, 0, 8);
5953 local
->config
.rates
[0] = brate
;
5955 set_bit (FLAG_COMMIT
, &local
->flags
);
5957 return -EINPROGRESS
; /* Call commit handler */
5960 /*------------------------------------------------------------------*/
5962 * Wireless Handler : get Bit-Rate
5964 static int airo_get_rate(struct net_device
*dev
,
5965 struct iw_request_info
*info
,
5966 struct iw_param
*vwrq
,
5969 struct airo_info
*local
= dev
->priv
;
5970 StatusRid status_rid
; /* Card status info */
5972 readStatusRid(local
, &status_rid
, 1);
5974 vwrq
->value
= status_rid
.currentXmitRate
* 500000;
5975 /* If more than one rate, set auto */
5976 readConfigRid(local
, 1);
5977 vwrq
->fixed
= (local
->config
.rates
[1] == 0);
5982 /*------------------------------------------------------------------*/
5984 * Wireless Handler : set RTS threshold
5986 static int airo_set_rts(struct net_device
*dev
,
5987 struct iw_request_info
*info
,
5988 struct iw_param
*vwrq
,
5991 struct airo_info
*local
= dev
->priv
;
5992 int rthr
= vwrq
->value
;
5996 if((rthr
< 0) || (rthr
> 2312)) {
5999 readConfigRid(local
, 1);
6000 local
->config
.rtsThres
= rthr
;
6001 set_bit (FLAG_COMMIT
, &local
->flags
);
6003 return -EINPROGRESS
; /* Call commit handler */
6006 /*------------------------------------------------------------------*/
6008 * Wireless Handler : get RTS threshold
6010 static int airo_get_rts(struct net_device
*dev
,
6011 struct iw_request_info
*info
,
6012 struct iw_param
*vwrq
,
6015 struct airo_info
*local
= dev
->priv
;
6017 readConfigRid(local
, 1);
6018 vwrq
->value
= local
->config
.rtsThres
;
6019 vwrq
->disabled
= (vwrq
->value
>= 2312);
6025 /*------------------------------------------------------------------*/
6027 * Wireless Handler : set Fragmentation threshold
6029 static int airo_set_frag(struct net_device
*dev
,
6030 struct iw_request_info
*info
,
6031 struct iw_param
*vwrq
,
6034 struct airo_info
*local
= dev
->priv
;
6035 int fthr
= vwrq
->value
;
6039 if((fthr
< 256) || (fthr
> 2312)) {
6042 fthr
&= ~0x1; /* Get an even value - is it really needed ??? */
6043 readConfigRid(local
, 1);
6044 local
->config
.fragThresh
= (u16
)fthr
;
6045 set_bit (FLAG_COMMIT
, &local
->flags
);
6047 return -EINPROGRESS
; /* Call commit handler */
6050 /*------------------------------------------------------------------*/
6052 * Wireless Handler : get Fragmentation threshold
6054 static int airo_get_frag(struct net_device
*dev
,
6055 struct iw_request_info
*info
,
6056 struct iw_param
*vwrq
,
6059 struct airo_info
*local
= dev
->priv
;
6061 readConfigRid(local
, 1);
6062 vwrq
->value
= local
->config
.fragThresh
;
6063 vwrq
->disabled
= (vwrq
->value
>= 2312);
6069 /*------------------------------------------------------------------*/
6071 * Wireless Handler : set Mode of Operation
6073 static int airo_set_mode(struct net_device
*dev
,
6074 struct iw_request_info
*info
,
6078 struct airo_info
*local
= dev
->priv
;
6081 readConfigRid(local
, 1);
6082 if ((local
->config
.rmode
& 0xff) >= RXMODE_RFMON
)
6087 local
->config
.opmode
&= 0xFF00;
6088 local
->config
.opmode
|= MODE_STA_IBSS
;
6089 local
->config
.rmode
&= 0xfe00;
6090 local
->config
.scanMode
= SCANMODE_ACTIVE
;
6091 clear_bit (FLAG_802_11
, &local
->flags
);
6094 local
->config
.opmode
&= 0xFF00;
6095 local
->config
.opmode
|= MODE_STA_ESS
;
6096 local
->config
.rmode
&= 0xfe00;
6097 local
->config
.scanMode
= SCANMODE_ACTIVE
;
6098 clear_bit (FLAG_802_11
, &local
->flags
);
6100 case IW_MODE_MASTER
:
6101 local
->config
.opmode
&= 0xFF00;
6102 local
->config
.opmode
|= MODE_AP
;
6103 local
->config
.rmode
&= 0xfe00;
6104 local
->config
.scanMode
= SCANMODE_ACTIVE
;
6105 clear_bit (FLAG_802_11
, &local
->flags
);
6107 case IW_MODE_REPEAT
:
6108 local
->config
.opmode
&= 0xFF00;
6109 local
->config
.opmode
|= MODE_AP_RPTR
;
6110 local
->config
.rmode
&= 0xfe00;
6111 local
->config
.scanMode
= SCANMODE_ACTIVE
;
6112 clear_bit (FLAG_802_11
, &local
->flags
);
6114 case IW_MODE_MONITOR
:
6115 local
->config
.opmode
&= 0xFF00;
6116 local
->config
.opmode
|= MODE_STA_ESS
;
6117 local
->config
.rmode
&= 0xfe00;
6118 local
->config
.rmode
|= RXMODE_RFMON
| RXMODE_DISABLE_802_3_HEADER
;
6119 local
->config
.scanMode
= SCANMODE_PASSIVE
;
6120 set_bit (FLAG_802_11
, &local
->flags
);
6126 set_bit (FLAG_RESET
, &local
->flags
);
6127 set_bit (FLAG_COMMIT
, &local
->flags
);
6129 return -EINPROGRESS
; /* Call commit handler */
6132 /*------------------------------------------------------------------*/
6134 * Wireless Handler : get Mode of Operation
6136 static int airo_get_mode(struct net_device
*dev
,
6137 struct iw_request_info
*info
,
6141 struct airo_info
*local
= dev
->priv
;
6143 readConfigRid(local
, 1);
6144 /* If not managed, assume it's ad-hoc */
6145 switch (local
->config
.opmode
& 0xFF) {
6147 *uwrq
= IW_MODE_INFRA
;
6150 *uwrq
= IW_MODE_MASTER
;
6153 *uwrq
= IW_MODE_REPEAT
;
6156 *uwrq
= IW_MODE_ADHOC
;
6162 /*------------------------------------------------------------------*/
6164 * Wireless Handler : set Encryption Key
6166 static int airo_set_encode(struct net_device
*dev
,
6167 struct iw_request_info
*info
,
6168 struct iw_point
*dwrq
,
6171 struct airo_info
*local
= dev
->priv
;
6172 CapabilityRid cap_rid
; /* Card capability info */
6174 /* Is WEP supported ? */
6175 readCapabilityRid(local
, &cap_rid
, 1);
6176 /* Older firmware doesn't support this...
6177 if(!(cap_rid.softCap & 2)) {
6180 readConfigRid(local
, 1);
6182 /* Basic checking: do we have a key to set ?
6183 * Note : with the new API, it's impossible to get a NULL pointer.
6184 * Therefore, we need to check a key size == 0 instead.
6185 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6186 * when no key is present (only change flags), but older versions
6187 * don't do it. - Jean II */
6188 if (dwrq
->length
> 0) {
6190 int index
= (dwrq
->flags
& IW_ENCODE_INDEX
) - 1;
6191 int current_index
= get_wep_key(local
, 0xffff);
6192 /* Check the size of the key */
6193 if (dwrq
->length
> MAX_KEY_SIZE
) {
6196 /* Check the index (none -> use current) */
6197 if ((index
< 0) || (index
>= ((cap_rid
.softCap
& 0x80) ? 4:1)))
6198 index
= current_index
;
6199 /* Set the length */
6200 if (dwrq
->length
> MIN_KEY_SIZE
)
6201 key
.len
= MAX_KEY_SIZE
;
6203 if (dwrq
->length
> 0)
6204 key
.len
= MIN_KEY_SIZE
;
6206 /* Disable the key */
6208 /* Check if the key is not marked as invalid */
6209 if(!(dwrq
->flags
& IW_ENCODE_NOKEY
)) {
6211 memset(key
.key
, 0, MAX_KEY_SIZE
);
6212 /* Copy the key in the driver */
6213 memcpy(key
.key
, extra
, dwrq
->length
);
6214 /* Send the key to the card */
6215 set_wep_key(local
, index
, key
.key
, key
.len
, 1, 1);
6217 /* WE specify that if a valid key is set, encryption
6218 * should be enabled (user may turn it off later)
6219 * This is also how "iwconfig ethX key on" works */
6220 if((index
== current_index
) && (key
.len
> 0) &&
6221 (local
->config
.authType
== AUTH_OPEN
)) {
6222 local
->config
.authType
= AUTH_ENCRYPT
;
6223 set_bit (FLAG_COMMIT
, &local
->flags
);
6226 /* Do we want to just set the transmit key index ? */
6227 int index
= (dwrq
->flags
& IW_ENCODE_INDEX
) - 1;
6228 if ((index
>= 0) && (index
< ((cap_rid
.softCap
& 0x80)?4:1))) {
6229 set_wep_key(local
, index
, NULL
, 0, 1, 1);
6231 /* Don't complain if only change the mode */
6232 if(!dwrq
->flags
& IW_ENCODE_MODE
) {
6236 /* Read the flags */
6237 if(dwrq
->flags
& IW_ENCODE_DISABLED
)
6238 local
->config
.authType
= AUTH_OPEN
; // disable encryption
6239 if(dwrq
->flags
& IW_ENCODE_RESTRICTED
)
6240 local
->config
.authType
= AUTH_SHAREDKEY
; // Only Both
6241 if(dwrq
->flags
& IW_ENCODE_OPEN
)
6242 local
->config
.authType
= AUTH_ENCRYPT
; // Only Wep
6243 /* Commit the changes to flags if needed */
6244 if(dwrq
->flags
& IW_ENCODE_MODE
)
6245 set_bit (FLAG_COMMIT
, &local
->flags
);
6246 return -EINPROGRESS
; /* Call commit handler */
6249 /*------------------------------------------------------------------*/
6251 * Wireless Handler : get Encryption Key
6253 static int airo_get_encode(struct net_device
*dev
,
6254 struct iw_request_info
*info
,
6255 struct iw_point
*dwrq
,
6258 struct airo_info
*local
= dev
->priv
;
6259 int index
= (dwrq
->flags
& IW_ENCODE_INDEX
) - 1;
6260 CapabilityRid cap_rid
; /* Card capability info */
6262 /* Is it supported ? */
6263 readCapabilityRid(local
, &cap_rid
, 1);
6264 if(!(cap_rid
.softCap
& 2)) {
6267 readConfigRid(local
, 1);
6268 /* Check encryption mode */
6269 switch(local
->config
.authType
) {
6271 dwrq
->flags
= IW_ENCODE_OPEN
;
6273 case AUTH_SHAREDKEY
:
6274 dwrq
->flags
= IW_ENCODE_RESTRICTED
;
6278 dwrq
->flags
= IW_ENCODE_DISABLED
;
6281 /* We can't return the key, so set the proper flag and return zero */
6282 dwrq
->flags
|= IW_ENCODE_NOKEY
;
6283 memset(extra
, 0, 16);
6285 /* Which key do we want ? -1 -> tx index */
6286 if ((index
< 0) || (index
>= ((cap_rid
.softCap
& 0x80) ? 4 : 1)))
6287 index
= get_wep_key(local
, 0xffff);
6288 dwrq
->flags
|= index
+ 1;
6289 /* Copy the key to the user buffer */
6290 dwrq
->length
= get_wep_key(local
, index
);
6291 if (dwrq
->length
> 16) {
6297 /*------------------------------------------------------------------*/
6299 * Wireless Handler : set Tx-Power
6301 static int airo_set_txpow(struct net_device
*dev
,
6302 struct iw_request_info
*info
,
6303 struct iw_param
*vwrq
,
6306 struct airo_info
*local
= dev
->priv
;
6307 CapabilityRid cap_rid
; /* Card capability info */
6311 readCapabilityRid(local
, &cap_rid
, 1);
6313 if (vwrq
->disabled
) {
6314 set_bit (FLAG_RADIO_OFF
, &local
->flags
);
6315 set_bit (FLAG_COMMIT
, &local
->flags
);
6316 return -EINPROGRESS
; /* Call commit handler */
6318 if (vwrq
->flags
!= IW_TXPOW_MWATT
) {
6321 clear_bit (FLAG_RADIO_OFF
, &local
->flags
);
6322 for (i
= 0; cap_rid
.txPowerLevels
[i
] && (i
< 8); i
++)
6323 if ((vwrq
->value
==cap_rid
.txPowerLevels
[i
])) {
6324 readConfigRid(local
, 1);
6325 local
->config
.txPower
= vwrq
->value
;
6326 set_bit (FLAG_COMMIT
, &local
->flags
);
6327 rc
= -EINPROGRESS
; /* Call commit handler */
6333 /*------------------------------------------------------------------*/
6335 * Wireless Handler : get Tx-Power
6337 static int airo_get_txpow(struct net_device
*dev
,
6338 struct iw_request_info
*info
,
6339 struct iw_param
*vwrq
,
6342 struct airo_info
*local
= dev
->priv
;
6344 readConfigRid(local
, 1);
6345 vwrq
->value
= local
->config
.txPower
;
6346 vwrq
->fixed
= 1; /* No power control */
6347 vwrq
->disabled
= test_bit(FLAG_RADIO_OFF
, &local
->flags
);
6348 vwrq
->flags
= IW_TXPOW_MWATT
;
6353 /*------------------------------------------------------------------*/
6355 * Wireless Handler : set Retry limits
6357 static int airo_set_retry(struct net_device
*dev
,
6358 struct iw_request_info
*info
,
6359 struct iw_param
*vwrq
,
6362 struct airo_info
*local
= dev
->priv
;
6365 if(vwrq
->disabled
) {
6368 readConfigRid(local
, 1);
6369 if(vwrq
->flags
& IW_RETRY_LIMIT
) {
6370 if(vwrq
->flags
& IW_RETRY_MAX
)
6371 local
->config
.longRetryLimit
= vwrq
->value
;
6372 else if (vwrq
->flags
& IW_RETRY_MIN
)
6373 local
->config
.shortRetryLimit
= vwrq
->value
;
6375 /* No modifier : set both */
6376 local
->config
.longRetryLimit
= vwrq
->value
;
6377 local
->config
.shortRetryLimit
= vwrq
->value
;
6379 set_bit (FLAG_COMMIT
, &local
->flags
);
6380 rc
= -EINPROGRESS
; /* Call commit handler */
6382 if(vwrq
->flags
& IW_RETRY_LIFETIME
) {
6383 local
->config
.txLifetime
= vwrq
->value
/ 1024;
6384 set_bit (FLAG_COMMIT
, &local
->flags
);
6385 rc
= -EINPROGRESS
; /* Call commit handler */
6390 /*------------------------------------------------------------------*/
6392 * Wireless Handler : get Retry limits
6394 static int airo_get_retry(struct net_device
*dev
,
6395 struct iw_request_info
*info
,
6396 struct iw_param
*vwrq
,
6399 struct airo_info
*local
= dev
->priv
;
6401 vwrq
->disabled
= 0; /* Can't be disabled */
6403 readConfigRid(local
, 1);
6404 /* Note : by default, display the min retry number */
6405 if((vwrq
->flags
& IW_RETRY_TYPE
) == IW_RETRY_LIFETIME
) {
6406 vwrq
->flags
= IW_RETRY_LIFETIME
;
6407 vwrq
->value
= (int)local
->config
.txLifetime
* 1024;
6408 } else if((vwrq
->flags
& IW_RETRY_MAX
)) {
6409 vwrq
->flags
= IW_RETRY_LIMIT
| IW_RETRY_MAX
;
6410 vwrq
->value
= (int)local
->config
.longRetryLimit
;
6412 vwrq
->flags
= IW_RETRY_LIMIT
;
6413 vwrq
->value
= (int)local
->config
.shortRetryLimit
;
6414 if((int)local
->config
.shortRetryLimit
!= (int)local
->config
.longRetryLimit
)
6415 vwrq
->flags
|= IW_RETRY_MIN
;
6421 /*------------------------------------------------------------------*/
6423 * Wireless Handler : get range info
6425 static int airo_get_range(struct net_device
*dev
,
6426 struct iw_request_info
*info
,
6427 struct iw_point
*dwrq
,
6430 struct airo_info
*local
= dev
->priv
;
6431 struct iw_range
*range
= (struct iw_range
*) extra
;
6432 CapabilityRid cap_rid
; /* Card capability info */
6436 readCapabilityRid(local
, &cap_rid
, 1);
6438 dwrq
->length
= sizeof(struct iw_range
);
6439 memset(range
, 0, sizeof(*range
));
6440 range
->min_nwid
= 0x0000;
6441 range
->max_nwid
= 0x0000;
6442 range
->num_channels
= 14;
6443 /* Should be based on cap_rid.country to give only
6444 * what the current card support */
6446 for(i
= 0; i
< 14; i
++) {
6447 range
->freq
[k
].i
= i
+ 1; /* List index */
6448 range
->freq
[k
].m
= frequency_list
[i
] * 100000;
6449 range
->freq
[k
++].e
= 1; /* Values in table in MHz -> * 10^5 * 10 */
6451 range
->num_frequency
= k
;
6453 /* Hum... Should put the right values there */
6454 range
->max_qual
.qual
= airo_get_max_quality(&cap_rid
);
6455 range
->max_qual
.level
= 0x100 - 120; /* -120 dBm */
6456 range
->max_qual
.noise
= 0;
6457 range
->sensitivity
= 65535;
6459 for(i
= 0 ; i
< 8 ; i
++) {
6460 range
->bitrate
[i
] = cap_rid
.supportedRates
[i
] * 500000;
6461 if(range
->bitrate
[i
] == 0)
6464 range
->num_bitrates
= i
;
6466 /* Set an indication of the max TCP throughput
6467 * in bit/s that we can expect using this interface.
6468 * May be use for QoS stuff... Jean II */
6470 range
->throughput
= 5000 * 1000;
6472 range
->throughput
= 1500 * 1000;
6475 range
->max_rts
= 2312;
6476 range
->min_frag
= 256;
6477 range
->max_frag
= 2312;
6479 if(cap_rid
.softCap
& 2) {
6481 range
->encoding_size
[0] = 5;
6483 if (cap_rid
.softCap
& 0x100) {
6484 range
->encoding_size
[1] = 13;
6485 range
->num_encoding_sizes
= 2;
6487 range
->num_encoding_sizes
= 1;
6488 range
->max_encoding_tokens
= (cap_rid
.softCap
& 0x80) ? 4 : 1;
6490 range
->num_encoding_sizes
= 0;
6491 range
->max_encoding_tokens
= 0;
6494 range
->max_pmp
= 5000000; /* 5 secs */
6496 range
->max_pmt
= 65535 * 1024; /* ??? */
6497 range
->pmp_flags
= IW_POWER_PERIOD
;
6498 range
->pmt_flags
= IW_POWER_TIMEOUT
;
6499 range
->pm_capa
= IW_POWER_PERIOD
| IW_POWER_TIMEOUT
| IW_POWER_ALL_R
;
6501 /* Transmit Power - values are in mW */
6502 for(i
= 0 ; i
< 8 ; i
++) {
6503 range
->txpower
[i
] = cap_rid
.txPowerLevels
[i
];
6504 if(range
->txpower
[i
] == 0)
6507 range
->num_txpower
= i
;
6508 range
->txpower_capa
= IW_TXPOW_MWATT
;
6509 range
->we_version_source
= 12;
6510 range
->we_version_compiled
= WIRELESS_EXT
;
6511 range
->retry_capa
= IW_RETRY_LIMIT
| IW_RETRY_LIFETIME
;
6512 range
->retry_flags
= IW_RETRY_LIMIT
;
6513 range
->r_time_flags
= IW_RETRY_LIFETIME
;
6514 range
->min_retry
= 1;
6515 range
->max_retry
= 65535;
6516 range
->min_r_time
= 1024;
6517 range
->max_r_time
= 65535 * 1024;
6518 /* Experimental measurements - boundary 11/5.5 Mb/s */
6519 /* Note : with or without the (local->rssi), results
6520 * are somewhat different. - Jean II */
6521 range
->avg_qual
.qual
= airo_get_avg_quality(&cap_rid
);
6523 range
->avg_qual
.level
= 186; /* -70 dBm */
6525 range
->avg_qual
.level
= 176; /* -80 dBm */
6526 range
->avg_qual
.noise
= 0;
6528 /* Event capability (kernel + driver) */
6529 range
->event_capa
[0] = (IW_EVENT_CAPA_K_0
|
6530 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY
) |
6531 IW_EVENT_CAPA_MASK(SIOCGIWAP
) |
6532 IW_EVENT_CAPA_MASK(SIOCGIWSCAN
));
6533 range
->event_capa
[1] = IW_EVENT_CAPA_K_1
;
6534 range
->event_capa
[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP
);
6538 /*------------------------------------------------------------------*/
6540 * Wireless Handler : set Power Management
6542 static int airo_set_power(struct net_device
*dev
,
6543 struct iw_request_info
*info
,
6544 struct iw_param
*vwrq
,
6547 struct airo_info
*local
= dev
->priv
;
6549 readConfigRid(local
, 1);
6550 if (vwrq
->disabled
) {
6551 if ((local
->config
.rmode
& 0xFF) >= RXMODE_RFMON
) {
6554 local
->config
.powerSaveMode
= POWERSAVE_CAM
;
6555 local
->config
.rmode
&= 0xFF00;
6556 local
->config
.rmode
|= RXMODE_BC_MC_ADDR
;
6557 set_bit (FLAG_COMMIT
, &local
->flags
);
6558 return -EINPROGRESS
; /* Call commit handler */
6560 if ((vwrq
->flags
& IW_POWER_TYPE
) == IW_POWER_TIMEOUT
) {
6561 local
->config
.fastListenDelay
= (vwrq
->value
+ 500) / 1024;
6562 local
->config
.powerSaveMode
= POWERSAVE_PSPCAM
;
6563 set_bit (FLAG_COMMIT
, &local
->flags
);
6564 } else if ((vwrq
->flags
& IW_POWER_TYPE
) == IW_POWER_PERIOD
) {
6565 local
->config
.fastListenInterval
= local
->config
.listenInterval
= (vwrq
->value
+ 500) / 1024;
6566 local
->config
.powerSaveMode
= POWERSAVE_PSPCAM
;
6567 set_bit (FLAG_COMMIT
, &local
->flags
);
6569 switch (vwrq
->flags
& IW_POWER_MODE
) {
6570 case IW_POWER_UNICAST_R
:
6571 if ((local
->config
.rmode
& 0xFF) >= RXMODE_RFMON
) {
6574 local
->config
.rmode
&= 0xFF00;
6575 local
->config
.rmode
|= RXMODE_ADDR
;
6576 set_bit (FLAG_COMMIT
, &local
->flags
);
6578 case IW_POWER_ALL_R
:
6579 if ((local
->config
.rmode
& 0xFF) >= RXMODE_RFMON
) {
6582 local
->config
.rmode
&= 0xFF00;
6583 local
->config
.rmode
|= RXMODE_BC_MC_ADDR
;
6584 set_bit (FLAG_COMMIT
, &local
->flags
);
6590 // Note : we may want to factor local->need_commit here
6591 // Note2 : may also want to factor RXMODE_RFMON test
6592 return -EINPROGRESS
; /* Call commit handler */
6595 /*------------------------------------------------------------------*/
6597 * Wireless Handler : get Power Management
6599 static int airo_get_power(struct net_device
*dev
,
6600 struct iw_request_info
*info
,
6601 struct iw_param
*vwrq
,
6604 struct airo_info
*local
= dev
->priv
;
6607 readConfigRid(local
, 1);
6608 mode
= local
->config
.powerSaveMode
;
6609 if ((vwrq
->disabled
= (mode
== POWERSAVE_CAM
)))
6611 if ((vwrq
->flags
& IW_POWER_TYPE
) == IW_POWER_TIMEOUT
) {
6612 vwrq
->value
= (int)local
->config
.fastListenDelay
* 1024;
6613 vwrq
->flags
= IW_POWER_TIMEOUT
;
6615 vwrq
->value
= (int)local
->config
.fastListenInterval
* 1024;
6616 vwrq
->flags
= IW_POWER_PERIOD
;
6618 if ((local
->config
.rmode
& 0xFF) == RXMODE_ADDR
)
6619 vwrq
->flags
|= IW_POWER_UNICAST_R
;
6621 vwrq
->flags
|= IW_POWER_ALL_R
;
6626 /*------------------------------------------------------------------*/
6628 * Wireless Handler : set Sensitivity
6630 static int airo_set_sens(struct net_device
*dev
,
6631 struct iw_request_info
*info
,
6632 struct iw_param
*vwrq
,
6635 struct airo_info
*local
= dev
->priv
;
6637 readConfigRid(local
, 1);
6638 local
->config
.rssiThreshold
= vwrq
->disabled
? RSSI_DEFAULT
: vwrq
->value
;
6639 set_bit (FLAG_COMMIT
, &local
->flags
);
6641 return -EINPROGRESS
; /* Call commit handler */
6644 /*------------------------------------------------------------------*/
6646 * Wireless Handler : get Sensitivity
6648 static int airo_get_sens(struct net_device
*dev
,
6649 struct iw_request_info
*info
,
6650 struct iw_param
*vwrq
,
6653 struct airo_info
*local
= dev
->priv
;
6655 readConfigRid(local
, 1);
6656 vwrq
->value
= local
->config
.rssiThreshold
;
6657 vwrq
->disabled
= (vwrq
->value
== 0);
6663 /*------------------------------------------------------------------*/
6665 * Wireless Handler : get AP List
6666 * Note : this is deprecated in favor of IWSCAN
6668 static int airo_get_aplist(struct net_device
*dev
,
6669 struct iw_request_info
*info
,
6670 struct iw_point
*dwrq
,
6673 struct airo_info
*local
= dev
->priv
;
6674 struct sockaddr
*address
= (struct sockaddr
*) extra
;
6675 struct iw_quality qual
[IW_MAX_AP
];
6678 int loseSync
= capable(CAP_NET_ADMIN
) ? 1: -1;
6680 for (i
= 0; i
< IW_MAX_AP
; i
++) {
6681 if (readBSSListRid(local
, loseSync
, &BSSList
))
6684 memcpy(address
[i
].sa_data
, BSSList
.bssid
, ETH_ALEN
);
6685 address
[i
].sa_family
= ARPHRD_ETHER
;
6687 qual
[i
].level
= 0x100 - local
->rssi
[BSSList
.rssi
].rssidBm
;
6689 qual
[i
].level
= (BSSList
.rssi
+ 321) / 2;
6690 qual
[i
].qual
= qual
[i
].noise
= 0;
6691 qual
[i
].updated
= 2;
6692 if (BSSList
.index
== 0xffff)
6696 StatusRid status_rid
; /* Card status info */
6697 readStatusRid(local
, &status_rid
, 1);
6699 i
< min(IW_MAX_AP
, 4) &&
6700 (status_rid
.bssid
[i
][0]
6701 & status_rid
.bssid
[i
][1]
6702 & status_rid
.bssid
[i
][2]
6703 & status_rid
.bssid
[i
][3]
6704 & status_rid
.bssid
[i
][4]
6705 & status_rid
.bssid
[i
][5])!=0xff &&
6706 (status_rid
.bssid
[i
][0]
6707 | status_rid
.bssid
[i
][1]
6708 | status_rid
.bssid
[i
][2]
6709 | status_rid
.bssid
[i
][3]
6710 | status_rid
.bssid
[i
][4]
6711 | status_rid
.bssid
[i
][5]);
6713 memcpy(address
[i
].sa_data
,
6714 status_rid
.bssid
[i
], ETH_ALEN
);
6715 address
[i
].sa_family
= ARPHRD_ETHER
;
6718 dwrq
->flags
= 1; /* Should be define'd */
6719 memcpy(extra
+ sizeof(struct sockaddr
)*i
,
6720 &qual
, sizeof(struct iw_quality
)*i
);
6727 /*------------------------------------------------------------------*/
6729 * Wireless Handler : Initiate Scan
6731 static int airo_set_scan(struct net_device
*dev
,
6732 struct iw_request_info
*info
,
6733 struct iw_param
*vwrq
,
6736 struct airo_info
*ai
= dev
->priv
;
6740 /* Note : you may have realised that, as this is a SET operation,
6741 * this is privileged and therefore a normal user can't
6743 * This is not an error, while the device perform scanning,
6744 * traffic doesn't flow, so it's a perfect DoS...
6746 if (ai
->flags
& FLAG_RADIO_MASK
) return -ENETDOWN
;
6748 /* Initiate a scan command */
6749 memset(&cmd
, 0, sizeof(cmd
));
6750 cmd
.cmd
=CMD_LISTBSS
;
6751 if (down_interruptible(&ai
->sem
))
6752 return -ERESTARTSYS
;
6753 issuecommand(ai
, &cmd
, &rsp
);
6754 ai
->scan_timestamp
= jiffies
;
6757 /* At this point, just return to the user. */
6762 /*------------------------------------------------------------------*/
6764 * Translate scan data returned from the card to a card independent
6765 * format that the Wireless Tools will understand - Jean II
6767 static inline char *airo_translate_scan(struct net_device
*dev
,
6772 struct airo_info
*ai
= dev
->priv
;
6773 struct iw_event iwe
; /* Temporary buffer */
6775 char * current_val
; /* For rates */
6778 /* First entry *MUST* be the AP MAC address */
6779 iwe
.cmd
= SIOCGIWAP
;
6780 iwe
.u
.ap_addr
.sa_family
= ARPHRD_ETHER
;
6781 memcpy(iwe
.u
.ap_addr
.sa_data
, list
->bssid
, ETH_ALEN
);
6782 current_ev
= iwe_stream_add_event(current_ev
, end_buf
, &iwe
, IW_EV_ADDR_LEN
);
6784 /* Other entries will be displayed in the order we give them */
6787 iwe
.u
.data
.length
= list
->ssidLen
;
6788 if(iwe
.u
.data
.length
> 32)
6789 iwe
.u
.data
.length
= 32;
6790 iwe
.cmd
= SIOCGIWESSID
;
6791 iwe
.u
.data
.flags
= 1;
6792 current_ev
= iwe_stream_add_point(current_ev
, end_buf
, &iwe
, list
->ssid
);
6795 iwe
.cmd
= SIOCGIWMODE
;
6796 capabilities
= le16_to_cpu(list
->cap
);
6797 if(capabilities
& (CAP_ESS
| CAP_IBSS
)) {
6798 if(capabilities
& CAP_ESS
)
6799 iwe
.u
.mode
= IW_MODE_MASTER
;
6801 iwe
.u
.mode
= IW_MODE_ADHOC
;
6802 current_ev
= iwe_stream_add_event(current_ev
, end_buf
, &iwe
, IW_EV_UINT_LEN
);
6806 iwe
.cmd
= SIOCGIWFREQ
;
6807 iwe
.u
.freq
.m
= le16_to_cpu(list
->dsChannel
);
6808 iwe
.u
.freq
.m
= frequency_list
[iwe
.u
.freq
.m
] * 100000;
6810 current_ev
= iwe_stream_add_event(current_ev
, end_buf
, &iwe
, IW_EV_FREQ_LEN
);
6812 /* Add quality statistics */
6815 iwe
.u
.qual
.level
= 0x100 - ai
->rssi
[list
->rssi
].rssidBm
;
6817 iwe
.u
.qual
.level
= (list
->rssi
+ 321) / 2;
6818 iwe
.u
.qual
.noise
= 0;
6819 iwe
.u
.qual
.qual
= 0;
6820 current_ev
= iwe_stream_add_event(current_ev
, end_buf
, &iwe
, IW_EV_QUAL_LEN
);
6822 /* Add encryption capability */
6823 iwe
.cmd
= SIOCGIWENCODE
;
6824 if(capabilities
& CAP_PRIVACY
)
6825 iwe
.u
.data
.flags
= IW_ENCODE_ENABLED
| IW_ENCODE_NOKEY
;
6827 iwe
.u
.data
.flags
= IW_ENCODE_DISABLED
;
6828 iwe
.u
.data
.length
= 0;
6829 current_ev
= iwe_stream_add_point(current_ev
, end_buf
, &iwe
, list
->ssid
);
6831 /* Rate : stuffing multiple values in a single event require a bit
6832 * more of magic - Jean II */
6833 current_val
= current_ev
+ IW_EV_LCP_LEN
;
6835 iwe
.cmd
= SIOCGIWRATE
;
6836 /* Those two flags are ignored... */
6837 iwe
.u
.bitrate
.fixed
= iwe
.u
.bitrate
.disabled
= 0;
6839 for(i
= 0 ; i
< 8 ; i
++) {
6840 /* NULL terminated */
6841 if(list
->rates
[i
] == 0)
6843 /* Bit rate given in 500 kb/s units (+ 0x80) */
6844 iwe
.u
.bitrate
.value
= ((list
->rates
[i
] & 0x7f) * 500000);
6845 /* Add new value to event */
6846 current_val
= iwe_stream_add_value(current_ev
, current_val
, end_buf
, &iwe
, IW_EV_PARAM_LEN
);
6848 /* Check if we added any event */
6849 if((current_val
- current_ev
) > IW_EV_LCP_LEN
)
6850 current_ev
= current_val
;
6852 /* The other data in the scan result are not really
6853 * interesting, so for now drop it - Jean II */
6857 /*------------------------------------------------------------------*/
6859 * Wireless Handler : Read Scan Results
6861 static int airo_get_scan(struct net_device
*dev
,
6862 struct iw_request_info
*info
,
6863 struct iw_point
*dwrq
,
6866 struct airo_info
*ai
= dev
->priv
;
6869 char *current_ev
= extra
;
6871 /* When we are associated again, the scan has surely finished.
6872 * Just in case, let's make sure enough time has elapsed since
6873 * we started the scan. - Javier */
6874 if(ai
->scan_timestamp
&& time_before(jiffies
,ai
->scan_timestamp
+3*HZ
)) {
6875 /* Important note : we don't want to block the caller
6876 * until results are ready for various reasons.
6877 * First, managing wait queues is complex and racy
6878 * (there may be multiple simultaneous callers).
6879 * Second, we grab some rtnetlink lock before comming
6880 * here (in dev_ioctl()).
6881 * Third, the caller can wait on the Wireless Event
6885 ai
->scan_timestamp
= 0;
6887 /* There's only a race with proc_BSSList_open(), but its
6888 * consequences are begnign. So I don't bother fixing it - Javier */
6890 /* Try to read the first entry of the scan result */
6891 rc
= PC4500_readrid(ai
, RID_BSSLISTFIRST
, &BSSList
, sizeof(BSSList
), 1);
6892 if((rc
) || (BSSList
.index
== 0xffff)) {
6893 /* Client error, no scan results...
6894 * The caller need to restart the scan. */
6898 /* Read and parse all entries */
6899 while((!rc
) && (BSSList
.index
!= 0xffff)) {
6900 /* Translate to WE format this entry */
6901 current_ev
= airo_translate_scan(dev
, current_ev
,
6902 extra
+ dwrq
->length
,
6905 /* Check if there is space for one more entry */
6906 if((extra
+ dwrq
->length
- current_ev
) <= IW_EV_ADDR_LEN
) {
6907 /* Ask user space to try again with a bigger buffer */
6911 /* Read next entry */
6912 rc
= PC4500_readrid(ai
, RID_BSSLISTNEXT
,
6913 &BSSList
, sizeof(BSSList
), 1);
6915 /* Length of data */
6916 dwrq
->length
= (current_ev
- extra
);
6917 dwrq
->flags
= 0; /* todo */
6922 /*------------------------------------------------------------------*/
6924 * Commit handler : called after a bunch of SET operations
6926 static int airo_config_commit(struct net_device
*dev
,
6927 struct iw_request_info
*info
, /* NULL */
6928 void *zwrq
, /* NULL */
6929 char *extra
) /* NULL */
6931 struct airo_info
*local
= dev
->priv
;
6934 if (!test_bit (FLAG_COMMIT
, &local
->flags
))
6937 /* Some of the "SET" function may have modified some of the
6938 * parameters. It's now time to commit them in the card */
6939 disable_MAC(local
, 1);
6940 if (test_bit (FLAG_RESET
, &local
->flags
)) {
6941 APListRid APList_rid
;
6944 readAPListRid(local
, &APList_rid
);
6945 readSsidRid(local
, &SSID_rid
);
6946 if (test_bit(FLAG_MPI
,&local
->flags
))
6947 setup_card(local
, dev
->dev_addr
, 1 );
6949 reset_airo_card(dev
);
6950 disable_MAC(local
, 1);
6951 writeSsidRid(local
, &SSID_rid
, 1);
6952 writeAPListRid(local
, &APList_rid
, 1);
6954 if (down_interruptible(&local
->sem
))
6955 return -ERESTARTSYS
;
6956 writeConfigRid(local
, 0);
6957 enable_MAC(local
, &rsp
, 0);
6958 if (test_bit (FLAG_RESET
, &local
->flags
))
6959 airo_set_promisc(local
);
6966 /*------------------------------------------------------------------*/
6968 * Structures to export the Wireless Handlers
6971 static const struct iw_priv_args airo_private_args
[] = {
6972 /*{ cmd, set_args, get_args, name } */
6973 { AIROIOCTL
, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| sizeof (aironet_ioctl
),
6974 IW_PRIV_TYPE_BYTE
| 2047, "airoioctl" },
6975 { AIROIDIFC
, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| sizeof (aironet_ioctl
),
6976 IW_PRIV_TYPE_INT
| IW_PRIV_SIZE_FIXED
| 1, "airoidifc" },
6979 static const iw_handler airo_handler
[] =
6981 (iw_handler
) airo_config_commit
, /* SIOCSIWCOMMIT */
6982 (iw_handler
) airo_get_name
, /* SIOCGIWNAME */
6983 (iw_handler
) NULL
, /* SIOCSIWNWID */
6984 (iw_handler
) NULL
, /* SIOCGIWNWID */
6985 (iw_handler
) airo_set_freq
, /* SIOCSIWFREQ */
6986 (iw_handler
) airo_get_freq
, /* SIOCGIWFREQ */
6987 (iw_handler
) airo_set_mode
, /* SIOCSIWMODE */
6988 (iw_handler
) airo_get_mode
, /* SIOCGIWMODE */
6989 (iw_handler
) airo_set_sens
, /* SIOCSIWSENS */
6990 (iw_handler
) airo_get_sens
, /* SIOCGIWSENS */
6991 (iw_handler
) NULL
, /* SIOCSIWRANGE */
6992 (iw_handler
) airo_get_range
, /* SIOCGIWRANGE */
6993 (iw_handler
) NULL
, /* SIOCSIWPRIV */
6994 (iw_handler
) NULL
, /* SIOCGIWPRIV */
6995 (iw_handler
) NULL
, /* SIOCSIWSTATS */
6996 (iw_handler
) NULL
, /* SIOCGIWSTATS */
6997 iw_handler_set_spy
, /* SIOCSIWSPY */
6998 iw_handler_get_spy
, /* SIOCGIWSPY */
6999 iw_handler_set_thrspy
, /* SIOCSIWTHRSPY */
7000 iw_handler_get_thrspy
, /* SIOCGIWTHRSPY */
7001 (iw_handler
) airo_set_wap
, /* SIOCSIWAP */
7002 (iw_handler
) airo_get_wap
, /* SIOCGIWAP */
7003 (iw_handler
) NULL
, /* -- hole -- */
7004 (iw_handler
) airo_get_aplist
, /* SIOCGIWAPLIST */
7005 (iw_handler
) airo_set_scan
, /* SIOCSIWSCAN */
7006 (iw_handler
) airo_get_scan
, /* SIOCGIWSCAN */
7007 (iw_handler
) airo_set_essid
, /* SIOCSIWESSID */
7008 (iw_handler
) airo_get_essid
, /* SIOCGIWESSID */
7009 (iw_handler
) airo_set_nick
, /* SIOCSIWNICKN */
7010 (iw_handler
) airo_get_nick
, /* SIOCGIWNICKN */
7011 (iw_handler
) NULL
, /* -- hole -- */
7012 (iw_handler
) NULL
, /* -- hole -- */
7013 (iw_handler
) airo_set_rate
, /* SIOCSIWRATE */
7014 (iw_handler
) airo_get_rate
, /* SIOCGIWRATE */
7015 (iw_handler
) airo_set_rts
, /* SIOCSIWRTS */
7016 (iw_handler
) airo_get_rts
, /* SIOCGIWRTS */
7017 (iw_handler
) airo_set_frag
, /* SIOCSIWFRAG */
7018 (iw_handler
) airo_get_frag
, /* SIOCGIWFRAG */
7019 (iw_handler
) airo_set_txpow
, /* SIOCSIWTXPOW */
7020 (iw_handler
) airo_get_txpow
, /* SIOCGIWTXPOW */
7021 (iw_handler
) airo_set_retry
, /* SIOCSIWRETRY */
7022 (iw_handler
) airo_get_retry
, /* SIOCGIWRETRY */
7023 (iw_handler
) airo_set_encode
, /* SIOCSIWENCODE */
7024 (iw_handler
) airo_get_encode
, /* SIOCGIWENCODE */
7025 (iw_handler
) airo_set_power
, /* SIOCSIWPOWER */
7026 (iw_handler
) airo_get_power
, /* SIOCGIWPOWER */
7029 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7030 * We want to force the use of the ioctl code, because those can't be
7031 * won't work the iw_handler code (because they simultaneously read
7032 * and write data and iw_handler can't do that).
7033 * Note that it's perfectly legal to read/write on a single ioctl command,
7034 * you just can't use iwpriv and need to force it via the ioctl handler.
7036 static const iw_handler airo_private_handler
[] =
7038 NULL
, /* SIOCIWFIRSTPRIV */
7041 static const struct iw_handler_def airo_handler_def
=
7043 .num_standard
= sizeof(airo_handler
)/sizeof(iw_handler
),
7044 .num_private
= sizeof(airo_private_handler
)/sizeof(iw_handler
),
7045 .num_private_args
= sizeof(airo_private_args
)/sizeof(struct iw_priv_args
),
7046 .standard
= airo_handler
,
7047 .private = airo_private_handler
,
7048 .private_args
= airo_private_args
,
7049 .get_wireless_stats
= airo_get_wireless_stats
,
7052 #endif /* WIRELESS_EXT */
7055 * This defines the configuration part of the Wireless Extensions
7056 * Note : irq and spinlock protection will occur in the subroutines
7059 * o Check input value more carefully and fill correct values in range
7060 * o Test and shakeout the bugs (if any)
7064 * Javier Achirica did a great job of merging code from the unnamed CISCO
7065 * developer that added support for flashing the card.
7067 static int airo_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
)
7070 struct airo_info
*ai
= (struct airo_info
*)dev
->priv
;
7082 int val
= AIROMAGIC
;
7084 if (copy_from_user(&com
,rq
->ifr_data
,sizeof(com
)))
7086 else if (copy_to_user(com
.data
,(char *)&val
,sizeof(val
)))
7095 /* Get the command struct and hand it off for evaluation by
7096 * the proper subfunction
7100 if (copy_from_user(&com
,rq
->ifr_data
,sizeof(com
))) {
7105 /* Separate R/W functions bracket legality here
7107 if ( com
.command
== AIRORSWVERSION
) {
7108 if (copy_to_user(com
.data
, swversion
, sizeof(swversion
)))
7113 else if ( com
.command
<= AIRORRID
)
7114 rc
= readrids(dev
,&com
);
7115 else if ( com
.command
>= AIROPCAP
&& com
.command
<= (AIROPLEAPUSR
+2) )
7116 rc
= writerids(dev
,&com
);
7117 else if ( com
.command
>= AIROFLSHRST
&& com
.command
<= AIRORESTART
)
7118 rc
= flashcard(dev
,&com
);
7120 rc
= -EINVAL
; /* Bad command in ioctl */
7123 #endif /* CISCO_EXT */
7125 // All other calls are currently unsupported
7134 * Get the Wireless stats out of the driver
7135 * Note : irq and spinlock protection will occur in the subroutines
7138 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7142 static void airo_read_wireless_stats(struct airo_info
*local
)
7144 StatusRid status_rid
;
7146 CapabilityRid cap_rid
;
7147 u32
*vals
= stats_rid
.vals
;
7149 /* Get stats out of the card */
7150 clear_bit(JOB_WSTATS
, &local
->flags
);
7155 readCapabilityRid(local
, &cap_rid
, 0);
7156 readStatusRid(local
, &status_rid
, 0);
7157 readStatsRid(local
, &stats_rid
, RID_STATS
, 0);
7161 local
->wstats
.status
= status_rid
.mode
;
7163 /* Signal quality and co. But where is the noise level ??? */
7164 local
->wstats
.qual
.qual
= airo_get_quality(&status_rid
, &cap_rid
);
7166 local
->wstats
.qual
.level
= 0x100 - local
->rssi
[status_rid
.sigQuality
].rssidBm
;
7168 local
->wstats
.qual
.level
= (status_rid
.normalizedSignalStrength
+ 321) / 2;
7169 if (status_rid
.len
>= 124) {
7170 local
->wstats
.qual
.noise
= 256 - status_rid
.noisedBm
;
7171 local
->wstats
.qual
.updated
= 7;
7173 local
->wstats
.qual
.noise
= 0;
7174 local
->wstats
.qual
.updated
= 3;
7177 /* Packets discarded in the wireless adapter due to wireless
7178 * specific problems */
7179 local
->wstats
.discard
.nwid
= vals
[56] + vals
[57] + vals
[58];/* SSID Mismatch */
7180 local
->wstats
.discard
.code
= vals
[6];/* RxWepErr */
7181 local
->wstats
.discard
.fragment
= vals
[30];
7182 local
->wstats
.discard
.retries
= vals
[10];
7183 local
->wstats
.discard
.misc
= vals
[1] + vals
[32];
7184 local
->wstats
.miss
.beacon
= vals
[34];
7187 static struct iw_statistics
*airo_get_wireless_stats(struct net_device
*dev
)
7189 struct airo_info
*local
= dev
->priv
;
7191 if (!test_bit(JOB_WSTATS
, &local
->flags
)) {
7192 /* Get stats out of the card if available */
7193 if (down_trylock(&local
->sem
) != 0) {
7194 set_bit(JOB_WSTATS
, &local
->flags
);
7195 wake_up_interruptible(&local
->thr_wait
);
7197 airo_read_wireless_stats(local
);
7200 return &local
->wstats
;
7202 #endif /* WIRELESS_EXT */
7206 * This just translates from driver IOCTL codes to the command codes to
7207 * feed to the radio's host interface. Things can be added/deleted
7208 * as needed. This represents the READ side of control I/O to
7211 static int readrids(struct net_device
*dev
, aironet_ioctl
*comp
) {
7212 unsigned short ridcode
;
7213 unsigned char *iobuf
;
7215 struct airo_info
*ai
= dev
->priv
;
7218 if (test_bit(FLAG_FLASHING
, &ai
->flags
))
7221 switch(comp
->command
)
7223 case AIROGCAP
: ridcode
= RID_CAPABILITIES
; break;
7224 case AIROGCFG
: ridcode
= RID_CONFIG
;
7225 if (test_bit(FLAG_COMMIT
, &ai
->flags
)) {
7226 disable_MAC (ai
, 1);
7227 writeConfigRid (ai
, 1);
7228 enable_MAC (ai
, &rsp
, 1);
7231 case AIROGSLIST
: ridcode
= RID_SSID
; break;
7232 case AIROGVLIST
: ridcode
= RID_APLIST
; break;
7233 case AIROGDRVNAM
: ridcode
= RID_DRVNAME
; break;
7234 case AIROGEHTENC
: ridcode
= RID_ETHERENCAP
; break;
7235 case AIROGWEPKTMP
: ridcode
= RID_WEP_TEMP
;
7236 /* Only super-user can read WEP keys */
7237 if (!capable(CAP_NET_ADMIN
))
7240 case AIROGWEPKNV
: ridcode
= RID_WEP_PERM
;
7241 /* Only super-user can read WEP keys */
7242 if (!capable(CAP_NET_ADMIN
))
7245 case AIROGSTAT
: ridcode
= RID_STATUS
; break;
7246 case AIROGSTATSD32
: ridcode
= RID_STATSDELTA
; break;
7247 case AIROGSTATSC32
: ridcode
= RID_STATS
; break;
7250 if (copy_to_user(comp
->data
, &ai
->micstats
,
7251 min((int)comp
->len
,(int)sizeof(ai
->micstats
))))
7255 case AIRORRID
: ridcode
= comp
->ridnum
; break;
7261 if ((iobuf
= kmalloc(RIDSIZE
, GFP_KERNEL
)) == NULL
)
7264 PC4500_readrid(ai
,ridcode
,iobuf
,RIDSIZE
, 1);
7265 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7266 * then return it to the user
7267 * 9/22/2000 Honor user given length
7271 if (copy_to_user(comp
->data
, iobuf
, min(len
, (int)RIDSIZE
))) {
7280 * Danger Will Robinson write the rids here
7283 static int writerids(struct net_device
*dev
, aironet_ioctl
*comp
) {
7284 struct airo_info
*ai
= dev
->priv
;
7290 static int (* writer
)(struct airo_info
*, u16 rid
, const void *, int, int);
7291 unsigned char *iobuf
;
7293 /* Only super-user can write RIDs */
7294 if (!capable(CAP_NET_ADMIN
))
7297 if (test_bit(FLAG_FLASHING
, &ai
->flags
))
7301 writer
= do_writerid
;
7303 switch(comp
->command
)
7305 case AIROPSIDS
: ridcode
= RID_SSID
; break;
7306 case AIROPCAP
: ridcode
= RID_CAPABILITIES
; break;
7307 case AIROPAPLIST
: ridcode
= RID_APLIST
; break;
7308 case AIROPCFG
: ai
->config
.len
= 0;
7309 clear_bit(FLAG_COMMIT
, &ai
->flags
);
7310 ridcode
= RID_CONFIG
; break;
7311 case AIROPWEPKEYNV
: ridcode
= RID_WEP_PERM
; break;
7312 case AIROPLEAPUSR
: ridcode
= RID_LEAPUSERNAME
; break;
7313 case AIROPLEAPPWD
: ridcode
= RID_LEAPPASSWORD
; break;
7314 case AIROPWEPKEY
: ridcode
= RID_WEP_TEMP
; writer
= PC4500_writerid
;
7316 case AIROPLEAPUSR
+1: ridcode
= 0xFF2A; break;
7317 case AIROPLEAPUSR
+2: ridcode
= 0xFF2B; break;
7319 /* this is not really a rid but a command given to the card
7323 if (enable_MAC(ai
, &rsp
, 1) != 0)
7328 * Evidently this code in the airo driver does not get a symbol
7329 * as disable_MAC. it's probably so short the compiler does not gen one.
7335 /* This command merely clears the counts does not actually store any data
7336 * only reads rid. But as it changes the cards state, I put it in the
7337 * writerid routines.
7340 if ((iobuf
= kmalloc(RIDSIZE
, GFP_KERNEL
)) == NULL
)
7343 PC4500_readrid(ai
,RID_STATSDELTACLEAR
,iobuf
,RIDSIZE
, 1);
7346 enabled
= ai
->micstats
.enabled
;
7347 memset(&ai
->micstats
,0,sizeof(ai
->micstats
));
7348 ai
->micstats
.enabled
= enabled
;
7351 if (copy_to_user(comp
->data
, iobuf
,
7352 min((int)comp
->len
, (int)RIDSIZE
))) {
7360 return -EOPNOTSUPP
; /* Blarg! */
7362 if(comp
->len
> RIDSIZE
)
7365 if ((iobuf
= kmalloc(RIDSIZE
, GFP_KERNEL
)) == NULL
)
7368 if (copy_from_user(iobuf
,comp
->data
,comp
->len
)) {
7373 if (comp
->command
== AIROPCFG
) {
7374 ConfigRid
*cfg
= (ConfigRid
*)iobuf
;
7376 if (test_bit(FLAG_MIC_CAPABLE
, &ai
->flags
))
7377 cfg
->opmode
|= MODE_MIC
;
7379 if ((cfg
->opmode
& 0xFF) == MODE_STA_IBSS
)
7380 set_bit (FLAG_ADHOC
, &ai
->flags
);
7382 clear_bit (FLAG_ADHOC
, &ai
->flags
);
7385 if((*writer
)(ai
, ridcode
, iobuf
,comp
->len
,1)) {
7393 /*****************************************************************************
7394 * Ancillary flash / mod functions much black magic lurkes here *
7395 *****************************************************************************
7399 * Flash command switch table
7402 static int flashcard(struct net_device
*dev
, aironet_ioctl
*comp
) {
7405 /* Only super-user can modify flash */
7406 if (!capable(CAP_NET_ADMIN
))
7409 switch(comp
->command
)
7412 return cmdreset((struct airo_info
*)dev
->priv
);
7415 if (!((struct airo_info
*)dev
->priv
)->flash
&&
7416 (((struct airo_info
*)dev
->priv
)->flash
= kmalloc (FLASHSIZE
, GFP_KERNEL
)) == NULL
)
7418 return setflashmode((struct airo_info
*)dev
->priv
);
7420 case AIROFLSHGCHR
: /* Get char from aux */
7421 if(comp
->len
!= sizeof(int))
7423 if (copy_from_user(&z
,comp
->data
,comp
->len
))
7425 return flashgchar((struct airo_info
*)dev
->priv
,z
,8000);
7427 case AIROFLSHPCHR
: /* Send char to card. */
7428 if(comp
->len
!= sizeof(int))
7430 if (copy_from_user(&z
,comp
->data
,comp
->len
))
7432 return flashpchar((struct airo_info
*)dev
->priv
,z
,8000);
7434 case AIROFLPUTBUF
: /* Send 32k to card */
7435 if (!((struct airo_info
*)dev
->priv
)->flash
)
7437 if(comp
->len
> FLASHSIZE
)
7439 if(copy_from_user(((struct airo_info
*)dev
->priv
)->flash
,comp
->data
,comp
->len
))
7442 flashputbuf((struct airo_info
*)dev
->priv
);
7446 if(flashrestart((struct airo_info
*)dev
->priv
,dev
))
7453 #define FLASH_COMMAND 0x7e7e
7457 * Disable MAC and do soft reset on
7461 static int cmdreset(struct airo_info
*ai
) {
7465 printk(KERN_INFO
"Waitbusy hang before RESET\n");
7469 OUT4500(ai
,COMMAND
,CMD_SOFTRESET
);
7471 ssleep(1); /* WAS 600 12/7/00 */
7474 printk(KERN_INFO
"Waitbusy hang AFTER RESET\n");
7481 * Put the card in legendary flash
7485 static int setflashmode (struct airo_info
*ai
) {
7486 set_bit (FLAG_FLASHING
, &ai
->flags
);
7488 OUT4500(ai
, SWS0
, FLASH_COMMAND
);
7489 OUT4500(ai
, SWS1
, FLASH_COMMAND
);
7491 OUT4500(ai
, SWS0
, FLASH_COMMAND
);
7492 OUT4500(ai
, COMMAND
,0x10);
7494 OUT4500(ai
, SWS2
, FLASH_COMMAND
);
7495 OUT4500(ai
, SWS3
, FLASH_COMMAND
);
7496 OUT4500(ai
, COMMAND
,0);
7498 msleep(500); /* 500ms delay */
7501 clear_bit (FLAG_FLASHING
, &ai
->flags
);
7502 printk(KERN_INFO
"Waitbusy hang after setflash mode\n");
7508 /* Put character to SWS0 wait for dwelltime
7512 static int flashpchar(struct airo_info
*ai
,int byte
,int dwelltime
) {
7523 /* Wait for busy bit d15 to go false indicating buffer empty */
7524 while ((IN4500 (ai
, SWS0
) & 0x8000) && waittime
> 0) {
7529 /* timeout for busy clear wait */
7531 printk(KERN_INFO
"flash putchar busywait timeout! \n");
7535 /* Port is clear now write byte and wait for it to echo back */
7537 OUT4500(ai
,SWS0
,byte
);
7540 echo
= IN4500(ai
,SWS1
);
7541 } while (dwelltime
>= 0 && echo
!= byte
);
7545 return (echo
== byte
) ? 0 : -EIO
;
7549 * Get a character from the card matching matchbyte
7552 static int flashgchar(struct airo_info
*ai
,int matchbyte
,int dwelltime
){
7554 unsigned char rbyte
=0;
7557 rchar
= IN4500(ai
,SWS1
);
7559 if(dwelltime
&& !(0x8000 & rchar
)){
7564 rbyte
= 0xff & rchar
;
7566 if( (rbyte
== matchbyte
) && (0x8000 & rchar
) ){
7570 if( rbyte
== 0x81 || rbyte
== 0x82 || rbyte
== 0x83 || rbyte
== 0x1a || 0xffff == rchar
)
7574 }while(dwelltime
> 0);
7579 * Transfer 32k of firmware data from user buffer to our buffer and
7583 static int flashputbuf(struct airo_info
*ai
){
7587 if (test_bit(FLAG_MPI
,&ai
->flags
))
7588 memcpy_toio(ai
->pciaux
+ 0x8000, ai
->flash
, FLASHSIZE
);
7590 OUT4500(ai
,AUXPAGE
,0x100);
7591 OUT4500(ai
,AUXOFF
,0);
7593 for(nwords
=0;nwords
!= FLASHSIZE
/ 2;nwords
++){
7594 OUT4500(ai
,AUXDATA
,ai
->flash
[nwords
] & 0xffff);
7597 OUT4500(ai
,SWS0
,0x8000);
7605 static int flashrestart(struct airo_info
*ai
,struct net_device
*dev
){
7608 ssleep(1); /* Added 12/7/00 */
7609 clear_bit (FLAG_FLASHING
, &ai
->flags
);
7610 if (test_bit(FLAG_MPI
, &ai
->flags
)) {
7611 status
= mpi_init_descriptors(ai
);
7612 if (status
!= SUCCESS
)
7615 status
= setup_card(ai
, dev
->dev_addr
, 1);
7617 if (!test_bit(FLAG_MPI
,&ai
->flags
))
7618 for( i
= 0; i
< MAX_FIDS
; i
++ ) {
7619 ai
->fids
[i
] = transmit_allocate
7620 ( ai
, 2312, i
>= MAX_FIDS
/ 2 );
7623 ssleep(1); /* Added 12/7/00 */
7626 #endif /* CISCO_EXT */
7629 This program is free software; you can redistribute it and/or
7630 modify it under the terms of the GNU General Public License
7631 as published by the Free Software Foundation; either version 2
7632 of the License, or (at your option) any later version.
7634 This program is distributed in the hope that it will be useful,
7635 but WITHOUT ANY WARRANTY; without even the implied warranty of
7636 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7637 GNU General Public License for more details.
7641 Redistribution and use in source and binary forms, with or without
7642 modification, are permitted provided that the following conditions
7645 1. Redistributions of source code must retain the above copyright
7646 notice, this list of conditions and the following disclaimer.
7647 2. Redistributions in binary form must reproduce the above copyright
7648 notice, this list of conditions and the following disclaimer in the
7649 documentation and/or other materials provided with the distribution.
7650 3. The name of the author may not be used to endorse or promote
7651 products derived from this software without specific prior written
7654 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
7655 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7656 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
7657 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
7658 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
7659 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
7660 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
7661 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
7662 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
7663 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
7664 POSSIBILITY OF SUCH DAMAGE.
7667 module_init(airo_init_module
);
7668 module_exit(airo_cleanup_module
);