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/err.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>
38 #include <linux/scatterlist.h>
39 #include <linux/crypto.h>
41 #include <asm/system.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
57 static struct pci_device_id card_ids
[] = {
58 { 0x14b9, 1, PCI_ANY_ID
, PCI_ANY_ID
, },
59 { 0x14b9, 0x4500, PCI_ANY_ID
, PCI_ANY_ID
},
60 { 0x14b9, 0x4800, PCI_ANY_ID
, PCI_ANY_ID
, },
61 { 0x14b9, 0x0340, PCI_ANY_ID
, PCI_ANY_ID
, },
62 { 0x14b9, 0x0350, PCI_ANY_ID
, PCI_ANY_ID
, },
63 { 0x14b9, 0x5000, PCI_ANY_ID
, PCI_ANY_ID
, },
64 { 0x14b9, 0xa504, PCI_ANY_ID
, PCI_ANY_ID
, },
67 MODULE_DEVICE_TABLE(pci
, card_ids
);
69 static int airo_pci_probe(struct pci_dev
*, const struct pci_device_id
*);
70 static void airo_pci_remove(struct pci_dev
*);
71 static int airo_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
);
72 static int airo_pci_resume(struct pci_dev
*pdev
);
74 static struct pci_driver airo_driver
= {
77 .probe
= airo_pci_probe
,
78 .remove
= __devexit_p(airo_pci_remove
),
79 .suspend
= airo_pci_suspend
,
80 .resume
= airo_pci_resume
,
82 #endif /* CONFIG_PCI */
84 /* Include Wireless Extension definition and check version - Jean II */
85 #include <linux/wireless.h>
86 #define WIRELESS_SPY // enable iwspy support
87 #include <net/iw_handler.h> // New driver API
89 #define CISCO_EXT // enable Cisco extensions
91 #include <linux/delay.h>
94 /* Hack to do some power saving */
97 /* As you can see this list is HUGH!
98 I really don't know what a lot of these counts are about, but they
99 are all here for completeness. If the IGNLABEL macro is put in
100 infront of the label, that statistic will not be included in the list
101 of statistics in the /proc filesystem */
103 #define IGNLABEL(comment) NULL
104 static char *statsLabels
[] = {
106 IGNLABEL("RxPlcpCrcErr"),
107 IGNLABEL("RxPlcpFormatErr"),
108 IGNLABEL("RxPlcpLengthErr"),
139 "LostSync-MissedBeacons",
140 "LostSync-ArlExceeded",
142 "LostSync-Disassoced",
143 "LostSync-TsfTiming",
152 IGNLABEL("HmacTxMc"),
153 IGNLABEL("HmacTxBc"),
154 IGNLABEL("HmacTxUc"),
155 IGNLABEL("HmacTxFail"),
156 IGNLABEL("HmacRxMc"),
157 IGNLABEL("HmacRxBc"),
158 IGNLABEL("HmacRxUc"),
159 IGNLABEL("HmacRxDiscard"),
160 IGNLABEL("HmacRxAccepted"),
168 IGNLABEL("ReasonOutsideTable"),
169 IGNLABEL("ReasonStatus1"),
170 IGNLABEL("ReasonStatus2"),
171 IGNLABEL("ReasonStatus3"),
172 IGNLABEL("ReasonStatus4"),
173 IGNLABEL("ReasonStatus5"),
174 IGNLABEL("ReasonStatus6"),
175 IGNLABEL("ReasonStatus7"),
176 IGNLABEL("ReasonStatus8"),
177 IGNLABEL("ReasonStatus9"),
178 IGNLABEL("ReasonStatus10"),
179 IGNLABEL("ReasonStatus11"),
180 IGNLABEL("ReasonStatus12"),
181 IGNLABEL("ReasonStatus13"),
182 IGNLABEL("ReasonStatus14"),
183 IGNLABEL("ReasonStatus15"),
184 IGNLABEL("ReasonStatus16"),
185 IGNLABEL("ReasonStatus17"),
186 IGNLABEL("ReasonStatus18"),
187 IGNLABEL("ReasonStatus19"),
207 #define RUN_AT(x) (jiffies+(x))
211 /* These variables are for insmod, since it seems that the rates
212 can only be set in setup_card. Rates should be a comma separated
213 (no spaces) list of rates (up to 8). */
216 static int basic_rate
;
217 static char *ssids
[3];
223 int maxencrypt
/* = 0 */; /* The highest rate that the card can encrypt at.
224 0 means no limit. For old cards this was 4 */
226 static int auto_wep
/* = 0 */; /* If set, it tries to figure out the wep mode */
227 static int aux_bap
/* = 0 */; /* Checks to see if the aux ports are needed to read
228 the bap, needed on some older cards and buses. */
231 static int probe
= 1;
233 static int proc_uid
/* = 0 */;
235 static int proc_gid
/* = 0 */;
237 static int airo_perm
= 0555;
239 static int proc_perm
= 0644;
241 MODULE_AUTHOR("Benjamin Reed");
242 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
243 cards. Direct support for ISA/PCI/MPI cards and support \
244 for PCMCIA when used with airo_cs.");
245 MODULE_LICENSE("Dual BSD/GPL");
246 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
247 module_param_array(io
, int, NULL
, 0);
248 module_param_array(irq
, int, NULL
, 0);
249 module_param(basic_rate
, int, 0);
250 module_param_array(rates
, int, NULL
, 0);
251 module_param_array(ssids
, charp
, NULL
, 0);
252 module_param(auto_wep
, int, 0);
253 MODULE_PARM_DESC(auto_wep
, "If non-zero, the driver will keep looping through \
254 the authentication options until an association is made. The value of \
255 auto_wep is number of the wep keys to check. A value of 2 will try using \
256 the key at index 0 and index 1.");
257 module_param(aux_bap
, int, 0);
258 MODULE_PARM_DESC(aux_bap
, "If non-zero, the driver will switch into a mode \
259 than seems to work better for older cards with some older buses. Before \
260 switching it checks that the switch is needed.");
261 module_param(maxencrypt
, int, 0);
262 MODULE_PARM_DESC(maxencrypt
, "The maximum speed that the card can do \
263 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
264 Older cards used to be limited to 2mbs (4).");
265 module_param(adhoc
, int, 0);
266 MODULE_PARM_DESC(adhoc
, "If non-zero, the card will start in adhoc mode.");
267 module_param(probe
, int, 0);
268 MODULE_PARM_DESC(probe
, "If zero, the driver won't start the card.");
270 module_param(proc_uid
, int, 0);
271 MODULE_PARM_DESC(proc_uid
, "The uid that the /proc files will belong to.");
272 module_param(proc_gid
, int, 0);
273 MODULE_PARM_DESC(proc_gid
, "The gid that the /proc files will belong to.");
274 module_param(airo_perm
, int, 0);
275 MODULE_PARM_DESC(airo_perm
, "The permission bits of /proc/[driver/]aironet.");
276 module_param(proc_perm
, int, 0);
277 MODULE_PARM_DESC(proc_perm
, "The permission bits of the files in /proc");
279 /* This is a kind of sloppy hack to get this information to OUT4500 and
280 IN4500. I would be extremely interested in the situation where this
281 doesn't work though!!! */
282 static int do8bitIO
= 0;
291 #define MAC_ENABLE 0x0001
292 #define MAC_DISABLE 0x0002
293 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
294 #define CMD_SOFTRESET 0x0004
295 #define HOSTSLEEP 0x0005
296 #define CMD_MAGIC_PKT 0x0006
297 #define CMD_SETWAKEMASK 0x0007
298 #define CMD_READCFG 0x0008
299 #define CMD_SETMODE 0x0009
300 #define CMD_ALLOCATETX 0x000a
301 #define CMD_TRANSMIT 0x000b
302 #define CMD_DEALLOCATETX 0x000c
304 #define CMD_WORKAROUND 0x0011
305 #define CMD_ALLOCATEAUX 0x0020
306 #define CMD_ACCESS 0x0021
307 #define CMD_PCIBAP 0x0022
308 #define CMD_PCIAUX 0x0023
309 #define CMD_ALLOCBUF 0x0028
310 #define CMD_GETTLV 0x0029
311 #define CMD_PUTTLV 0x002a
312 #define CMD_DELTLV 0x002b
313 #define CMD_FINDNEXTTLV 0x002c
314 #define CMD_PSPNODES 0x0030
315 #define CMD_SETCW 0x0031
316 #define CMD_SETPCF 0x0032
317 #define CMD_SETPHYREG 0x003e
318 #define CMD_TXTEST 0x003f
319 #define MAC_ENABLETX 0x0101
320 #define CMD_LISTBSS 0x0103
321 #define CMD_SAVECFG 0x0108
322 #define CMD_ENABLEAUX 0x0111
323 #define CMD_WRITERID 0x0121
324 #define CMD_USEPSPNODES 0x0130
325 #define MAC_ENABLERX 0x0201
328 #define ERROR_QUALIF 0x00
329 #define ERROR_ILLCMD 0x01
330 #define ERROR_ILLFMT 0x02
331 #define ERROR_INVFID 0x03
332 #define ERROR_INVRID 0x04
333 #define ERROR_LARGE 0x05
334 #define ERROR_NDISABL 0x06
335 #define ERROR_ALLOCBSY 0x07
336 #define ERROR_NORD 0x0B
337 #define ERROR_NOWR 0x0C
338 #define ERROR_INVFIDTX 0x0D
339 #define ERROR_TESTACT 0x0E
340 #define ERROR_TAGNFND 0x12
341 #define ERROR_DECODE 0x20
342 #define ERROR_DESCUNAV 0x21
343 #define ERROR_BADLEN 0x22
344 #define ERROR_MODE 0x80
345 #define ERROR_HOP 0x81
346 #define ERROR_BINTER 0x82
347 #define ERROR_RXMODE 0x83
348 #define ERROR_MACADDR 0x84
349 #define ERROR_RATES 0x85
350 #define ERROR_ORDER 0x86
351 #define ERROR_SCAN 0x87
352 #define ERROR_AUTH 0x88
353 #define ERROR_PSMODE 0x89
354 #define ERROR_RTYPE 0x8A
355 #define ERROR_DIVER 0x8B
356 #define ERROR_SSID 0x8C
357 #define ERROR_APLIST 0x8D
358 #define ERROR_AUTOWAKE 0x8E
359 #define ERROR_LEAP 0x8F
370 #define LINKSTAT 0x10
374 #define TXALLOCFID 0x22
375 #define TXCOMPLFID 0x24
390 /* Offset into aux memory for descriptors */
391 #define AUX_OFFSET 0x800
392 /* Size of allocated packets */
395 /* Size of the transmit queue */
399 #define BAP0 0 // Used for receiving packets
400 #define BAP1 2 // Used for xmiting packets and working with RIDS
403 #define COMMAND_BUSY 0x8000
405 #define BAP_BUSY 0x8000
406 #define BAP_ERR 0x4000
407 #define BAP_DONE 0x2000
409 #define PROMISC 0xffff
410 #define NOPROMISC 0x0000
413 #define EV_CLEARCOMMANDBUSY 0x4000
416 #define EV_TXEXC 0x04
417 #define EV_ALLOC 0x08
419 #define EV_AWAKE 0x100
420 #define EV_TXCPY 0x400
421 #define EV_UNKNOWN 0x800
422 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
423 #define EV_AWAKEN 0x2000
424 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
426 #ifdef CHECK_UNKNOWN_INTS
427 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
429 #define IGNORE_INTS (~STATUS_INTS)
436 #define RID_CAPABILITIES 0xFF00
437 #define RID_APINFO 0xFF01
438 #define RID_RADIOINFO 0xFF02
439 #define RID_UNKNOWN3 0xFF03
440 #define RID_RSSI 0xFF04
441 #define RID_CONFIG 0xFF10
442 #define RID_SSID 0xFF11
443 #define RID_APLIST 0xFF12
444 #define RID_DRVNAME 0xFF13
445 #define RID_ETHERENCAP 0xFF14
446 #define RID_WEP_TEMP 0xFF15
447 #define RID_WEP_PERM 0xFF16
448 #define RID_MODULATION 0xFF17
449 #define RID_OPTIONS 0xFF18
450 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
451 #define RID_FACTORYCONFIG 0xFF21
452 #define RID_UNKNOWN22 0xFF22
453 #define RID_LEAPUSERNAME 0xFF23
454 #define RID_LEAPPASSWORD 0xFF24
455 #define RID_STATUS 0xFF50
456 #define RID_BEACON_HST 0xFF51
457 #define RID_BUSY_HST 0xFF52
458 #define RID_RETRIES_HST 0xFF53
459 #define RID_UNKNOWN54 0xFF54
460 #define RID_UNKNOWN55 0xFF55
461 #define RID_UNKNOWN56 0xFF56
462 #define RID_MIC 0xFF57
463 #define RID_STATS16 0xFF60
464 #define RID_STATS16DELTA 0xFF61
465 #define RID_STATS16DELTACLEAR 0xFF62
466 #define RID_STATS 0xFF68
467 #define RID_STATSDELTA 0xFF69
468 #define RID_STATSDELTACLEAR 0xFF6A
469 #define RID_ECHOTEST_RID 0xFF70
470 #define RID_ECHOTEST_RESULTS 0xFF71
471 #define RID_BSSLISTFIRST 0xFF72
472 #define RID_BSSLISTNEXT 0xFF73
473 #define RID_WPA_BSSLISTFIRST 0xFF74
474 #define RID_WPA_BSSLISTNEXT 0xFF75
491 * Rids and endian-ness: The Rids will always be in cpu endian, since
492 * this all the patches from the big-endian guys end up doing that.
493 * so all rid access should use the read/writeXXXRid routines.
496 /* This is redundant for x86 archs, but it seems necessary for ARM */
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
509 /* These structures are from the Aironet's PC4500 Developers Manual */
523 #define MOD_DEFAULT 0
529 u16 len
; /* sizeof(ConfigRid) */
530 u16 opmode
; /* operating mode */
531 #define MODE_STA_IBSS 0
532 #define MODE_STA_ESS 1
534 #define MODE_AP_RPTR 3
535 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
536 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
537 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
538 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
539 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
540 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
541 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
542 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
543 #define MODE_MIC (1<<15) /* enable MIC */
544 u16 rmode
; /* receive mode */
545 #define RXMODE_BC_MC_ADDR 0
546 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
547 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
548 #define RXMODE_RFMON 3 /* wireless monitor mode */
549 #define RXMODE_RFMON_ANYBSS 4
550 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
551 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
552 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
555 u8 macAddr
[ETH_ALEN
];
559 u16 txLifetime
; /* in kusec */
560 u16 rxLifetime
; /* in kusec */
563 u16 u16deviceType
; /* for overriding device type */
567 /*---------- Scanning/Associating ----------*/
569 #define SCANMODE_ACTIVE 0
570 #define SCANMODE_PASSIVE 1
571 #define SCANMODE_AIROSCAN 2
572 u16 probeDelay
; /* in kusec */
573 u16 probeEnergyTimeout
; /* in kusec */
574 u16 probeResponseTimeout
;
575 u16 beaconListenTimeout
;
579 #define AUTH_OPEN 0x1
580 #define AUTH_ENCRYPT 0x101
581 #define AUTH_SHAREDKEY 0x102
582 #define AUTH_ALLOW_UNENCRYPTED 0x200
583 u16 associationTimeout
;
584 u16 specifiedApTimeout
;
585 u16 offlineScanInterval
;
586 u16 offlineScanDuration
;
588 u16 maxBeaconLostTime
;
590 #define DISABLE_REFRESH 0xFFFF
592 /*---------- Power save operation ----------*/
594 #define POWERSAVE_CAM 0
595 #define POWERSAVE_PSP 1
596 #define POWERSAVE_PSPCAM 2
599 u16 fastListenInterval
;
603 /*---------- Ap/Ibss config items ----------*/
612 /*---------- Radio configuration ----------*/
614 #define RADIOTYPE_DEFAULT 0
615 #define RADIOTYPE_802_11 1
616 #define RADIOTYPE_LEGACY 2
620 #define TXPOWER_DEFAULT 0
622 #define RSSI_DEFAULT 0
624 #define PREAMBLE_AUTO 0
625 #define PREAMBLE_LONG 1
626 #define PREAMBLE_SHORT 2
630 /*---------- Aironet Extensions ----------*/
636 /*---------- Aironet Extensions ----------*/
638 #define MAGIC_ACTION_STSCHG 1
639 #define MAGIC_ACTION_RESUME 2
640 #define MAGIC_IGNORE_MCAST (1<<8)
641 #define MAGIC_IGNORE_BCAST (1<<9)
642 #define MAGIC_SWITCH_TO_PSP (0<<10)
643 #define MAGIC_STAY_IN_CAM (1<<10)
657 u8 bssid
[4][ETH_ALEN
];
671 u16 normalizedSignalStrength
;
674 u8 noisePercent
; /* Noise percent in last second */
675 u8 noisedBm
; /* Noise dBm in last second */
676 u8 noiseAvePercent
; /* Noise percent in last minute */
677 u8 noiseAvedBm
; /* Noise dBm in last minute */
678 u8 noiseMaxPercent
; /* Highest noise percent in last minute */
679 u8 noiseMaxdBm
; /* Highest noise dbm in last minute */
683 #define STAT_NOPACKETS 0
684 #define STAT_NOCARRIERSET 10
685 #define STAT_GOTCARRIERSET 11
686 #define STAT_WRONGSSID 20
687 #define STAT_BADCHANNEL 25
688 #define STAT_BADBITRATES 30
689 #define STAT_BADPRIVACY 35
690 #define STAT_APFOUND 40
691 #define STAT_APREJECTED 50
692 #define STAT_AUTHENTICATING 60
693 #define STAT_DEAUTHENTICATED 61
694 #define STAT_AUTHTIMEOUT 62
695 #define STAT_ASSOCIATING 70
696 #define STAT_DEASSOCIATED 71
697 #define STAT_ASSOCTIMEOUT 72
698 #define STAT_NOTAIROAP 73
699 #define STAT_ASSOCIATED 80
700 #define STAT_LEAPING 90
701 #define STAT_LEAPFAILED 91
702 #define STAT_LEAPTIMEDOUT 92
703 #define STAT_LEAPCOMPLETE 93
726 char factoryAddr
[ETH_ALEN
];
727 char aironetAddr
[ETH_ALEN
];
730 char callid
[ETH_ALEN
];
731 char supportedRates
[8];
734 u16 txPowerLevels
[8];
748 /* Only present on firmware >= 5.30.17 */
751 u8 fixed
[12]; /* WLAN management frame */
757 u16 index
; /* First is 0 and 0xffff means end of list */
758 #define RADIO_FH 1 /* Frequency hopping radio type */
759 #define RADIO_DS 2 /* Direct sequence radio type */
760 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
762 u8 bssid
[ETH_ALEN
]; /* Mac address of the BSS */
767 #define CAP_ESS (1<<0)
768 #define CAP_IBSS (1<<1)
769 #define CAP_PRIVACY (1<<4)
770 #define CAP_SHORTHDR (1<<5)
773 u8 rates
[8]; /* Same as rates for config rid */
774 struct { /* For frequency hopping only */
784 /* Only present on firmware >= 5.30.17 */
785 BSSListRidExtra extra
;
790 struct list_head list
;
836 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
837 #define TXCTL_TXEX (1<<2) /* report if tx fails */
838 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
839 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
840 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
841 #define TXCTL_LLC (1<<4) /* payload is llc */
842 #define TXCTL_RELEASE (0<<5) /* release after completion */
843 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
845 #define BUSY_FID 0x10000
848 #define AIROMAGIC 0xa55a
849 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
850 #ifdef SIOCIWFIRSTPRIV
851 #ifdef SIOCDEVPRIVATE
852 #define AIROOLDIOCTL SIOCDEVPRIVATE
853 #define AIROOLDIDIFC AIROOLDIOCTL + 1
854 #endif /* SIOCDEVPRIVATE */
855 #else /* SIOCIWFIRSTPRIV */
856 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
857 #endif /* SIOCIWFIRSTPRIV */
858 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
859 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
860 * only and don't return the modified struct ifreq to the application which
861 * is usually a problem. - Jean II */
862 #define AIROIOCTL SIOCIWFIRSTPRIV
863 #define AIROIDIFC AIROIOCTL + 1
865 /* Ioctl constants to be used in airo_ioctl.command */
867 #define AIROGCAP 0 // Capability rid
868 #define AIROGCFG 1 // USED A LOT
869 #define AIROGSLIST 2 // System ID list
870 #define AIROGVLIST 3 // List of specified AP's
871 #define AIROGDRVNAM 4 // NOTUSED
872 #define AIROGEHTENC 5 // NOTUSED
873 #define AIROGWEPKTMP 6
874 #define AIROGWEPKNV 7
876 #define AIROGSTATSC32 9
877 #define AIROGSTATSD32 10
878 #define AIROGMICRID 11
879 #define AIROGMICSTATS 12
880 #define AIROGFLAGS 13
883 #define AIRORSWVERSION 17
885 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
887 #define AIROPCAP AIROGSTATSD32 + 40
888 #define AIROPVLIST AIROPCAP + 1
889 #define AIROPSLIST AIROPVLIST + 1
890 #define AIROPCFG AIROPSLIST + 1
891 #define AIROPSIDS AIROPCFG + 1
892 #define AIROPAPLIST AIROPSIDS + 1
893 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
894 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
895 #define AIROPSTCLR AIROPMACOFF + 1
896 #define AIROPWEPKEY AIROPSTCLR + 1
897 #define AIROPWEPKEYNV AIROPWEPKEY + 1
898 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
899 #define AIROPLEAPUSR AIROPLEAPPWD + 1
903 #define AIROFLSHRST AIROPWEPKEYNV + 40
904 #define AIROFLSHGCHR AIROFLSHRST + 1
905 #define AIROFLSHSTFL AIROFLSHGCHR + 1
906 #define AIROFLSHPCHR AIROFLSHSTFL + 1
907 #define AIROFLPUTBUF AIROFLSHPCHR + 1
908 #define AIRORESTART AIROFLPUTBUF + 1
910 #define FLASHSIZE 32768
911 #define AUXMEMSIZE (256 * 1024)
913 typedef struct aironet_ioctl
{
914 unsigned short command
; // What to do
915 unsigned short len
; // Len of data
916 unsigned short ridnum
; // rid number
917 unsigned char __user
*data
; // d-data
920 static char swversion
[] = "2.1";
921 #endif /* CISCO_EXT */
923 #define NUM_MODULES 2
924 #define MIC_MSGLEN_MAX 2400
925 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
926 #define AIRO_DEF_MTU 2312
930 u8 enabled
; // MIC enabled or not
931 u32 rxSuccess
; // successful packets received
932 u32 rxIncorrectMIC
; // pkts dropped due to incorrect MIC comparison
933 u32 rxNotMICed
; // pkts dropped due to not being MIC'd
934 u32 rxMICPlummed
; // pkts dropped due to not having a MIC plummed
935 u32 rxWrongSequence
; // pkts dropped due to sequence number violation
940 u32 coeff
[((EMMH32_MSGLEN_MAX
)+3)>>2];
941 u64 accum
; // accumulated mic, reduced to u32 in final()
942 int position
; // current position (byte offset) in message
946 } part
; // saves partial message word across update() calls
950 emmh32_context seed
; // Context - the seed
951 u32 rx
; // Received sequence number
952 u32 tx
; // Tx sequence number
953 u32 window
; // Start of window
954 u8 valid
; // Flag to say if context is valid or not
959 miccntx mCtx
; // Multicast context
960 miccntx uCtx
; // Unicast context
964 unsigned int rid
: 16;
965 unsigned int len
: 15;
966 unsigned int valid
: 1;
967 dma_addr_t host_addr
;
971 unsigned int offset
: 15;
973 unsigned int len
: 15;
974 unsigned int valid
: 1;
975 dma_addr_t host_addr
;
979 unsigned int ctl
: 15;
981 unsigned int len
: 15;
982 unsigned int valid
: 1;
983 dma_addr_t host_addr
;
987 * Host receive descriptor
990 unsigned char __iomem
*card_ram_off
; /* offset into card memory of the
992 RxFid rx_desc
; /* card receive descriptor */
993 char *virtual_host_addr
; /* virtual address of host receive
999 * Host transmit descriptor
1002 unsigned char __iomem
*card_ram_off
; /* offset into card memory of the
1004 TxFid tx_desc
; /* card transmit descriptor */
1005 char *virtual_host_addr
; /* virtual address of host receive
1011 * Host RID descriptor
1014 unsigned char __iomem
*card_ram_off
; /* offset into card memory of the
1016 Rid rid_desc
; /* card RID descriptor */
1017 char *virtual_host_addr
; /* virtual address of host receive
1026 #define HOST_SET (1 << 0)
1027 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1028 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1029 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1030 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1031 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1032 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1033 #define HOST_RTS (1 << 9) /* Force RTS use */
1034 #define HOST_SHORT (1 << 10) /* Do short preamble */
1061 static WifiCtlHdr wifictlhdr8023
= {
1063 .ctl
= HOST_DONT_RLSE
,
1067 // Frequency list (map channels to frequencies)
1068 static const long frequency_list
[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1069 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1071 // A few details needed for WEP (Wireless Equivalent Privacy)
1072 #define MAX_KEY_SIZE 13 // 128 (?) bits
1073 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1074 typedef struct wep_key_t
{
1076 u8 key
[16]; /* 40-bit and 104-bit keys */
1079 /* Backward compatibility */
1080 #ifndef IW_ENCODE_NOKEY
1081 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1082 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1083 #endif /* IW_ENCODE_NOKEY */
1085 /* List of Wireless Handlers (new API) */
1086 static const struct iw_handler_def airo_handler_def
;
1088 static const char version
[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1092 static int get_dec_u16( char *buffer
, int *start
, int limit
);
1093 static void OUT4500( struct airo_info
*, u16
register, u16 value
);
1094 static unsigned short IN4500( struct airo_info
*, u16
register );
1095 static u16
setup_card(struct airo_info
*, u8
*mac
, int lock
);
1096 static int enable_MAC( struct airo_info
*ai
, Resp
*rsp
, int lock
);
1097 static void disable_MAC(struct airo_info
*ai
, int lock
);
1098 static void enable_interrupts(struct airo_info
*);
1099 static void disable_interrupts(struct airo_info
*);
1100 static u16
issuecommand(struct airo_info
*, Cmd
*pCmd
, Resp
*pRsp
);
1101 static int bap_setup(struct airo_info
*, u16 rid
, u16 offset
, int whichbap
);
1102 static int aux_bap_read(struct airo_info
*, u16
*pu16Dst
, int bytelen
,
1104 static int fast_bap_read(struct airo_info
*, u16
*pu16Dst
, int bytelen
,
1106 static int bap_write(struct airo_info
*, const u16
*pu16Src
, int bytelen
,
1108 static int PC4500_accessrid(struct airo_info
*, u16 rid
, u16 accmd
);
1109 static int PC4500_readrid(struct airo_info
*, u16 rid
, void *pBuf
, int len
, int lock
);
1110 static int PC4500_writerid(struct airo_info
*, u16 rid
, const void
1111 *pBuf
, int len
, int lock
);
1112 static int do_writerid( struct airo_info
*, u16 rid
, const void *rid_data
,
1113 int len
, int dummy
);
1114 static u16
transmit_allocate(struct airo_info
*, int lenPayload
, int raw
);
1115 static int transmit_802_3_packet(struct airo_info
*, int len
, char *pPacket
);
1116 static int transmit_802_11_packet(struct airo_info
*, int len
, char *pPacket
);
1118 static int mpi_send_packet (struct net_device
*dev
);
1119 static void mpi_unmap_card(struct pci_dev
*pci
);
1120 static void mpi_receive_802_3(struct airo_info
*ai
);
1121 static void mpi_receive_802_11(struct airo_info
*ai
);
1122 static int waitbusy (struct airo_info
*ai
);
1124 static irqreturn_t
airo_interrupt( int irq
, void* dev_id
);
1125 static int airo_thread(void *data
);
1126 static void timer_func( struct net_device
*dev
);
1127 static int airo_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
);
1128 static struct iw_statistics
*airo_get_wireless_stats (struct net_device
*dev
);
1129 static void airo_read_wireless_stats (struct airo_info
*local
);
1131 static int readrids(struct net_device
*dev
, aironet_ioctl
*comp
);
1132 static int writerids(struct net_device
*dev
, aironet_ioctl
*comp
);
1133 static int flashcard(struct net_device
*dev
, aironet_ioctl
*comp
);
1134 #endif /* CISCO_EXT */
1135 static void micinit(struct airo_info
*ai
);
1136 static int micsetup(struct airo_info
*ai
);
1137 static int encapsulate(struct airo_info
*ai
, etherHead
*pPacket
, MICBuffer
*buffer
, int len
);
1138 static int decapsulate(struct airo_info
*ai
, MICBuffer
*mic
, etherHead
*pPacket
, u16 payLen
);
1140 static u8
airo_rssi_to_dbm (tdsRssiEntry
*rssi_rid
, u8 rssi
);
1141 static u8
airo_dbm_to_pct (tdsRssiEntry
*rssi_rid
, u8 dbm
);
1143 static void airo_networks_free(struct airo_info
*ai
);
1146 struct net_device_stats stats
;
1147 struct net_device
*dev
;
1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1151 #define MPI_MAX_FIDS 1
1154 char keyindex
; // Used with auto wep
1155 char defindex
; // Used with auto wep
1156 struct proc_dir_entry
*proc_entry
;
1157 spinlock_t aux_lock
;
1158 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160 #define FLAG_RADIO_MASK 0x03
1161 #define FLAG_ENABLED 2
1162 #define FLAG_ADHOC 3 /* Needed by MIC */
1163 #define FLAG_MIC_CAPABLE 4
1164 #define FLAG_UPDATE_MULTI 5
1165 #define FLAG_UPDATE_UNI 6
1166 #define FLAG_802_11 7
1167 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1168 #define FLAG_PENDING_XMIT 9
1169 #define FLAG_PENDING_XMIT11 10
1171 #define FLAG_REGISTERED 12
1172 #define FLAG_COMMIT 13
1173 #define FLAG_RESET 14
1174 #define FLAG_FLASHING 15
1175 #define FLAG_WPA_CAPABLE 16
1176 unsigned long flags
;
1179 #define JOB_XMIT11 2
1181 #define JOB_PROMISC 4
1184 #define JOB_AUTOWEP 7
1185 #define JOB_WSTATS 8
1186 #define JOB_SCAN_RESULTS 9
1188 int (*bap_read
)(struct airo_info
*, u16
*pu16Dst
, int bytelen
,
1190 unsigned short *flash
;
1192 struct task_struct
*list_bss_task
;
1193 struct task_struct
*airo_thread_task
;
1194 struct semaphore sem
;
1195 wait_queue_head_t thr_wait
;
1196 unsigned long expires
;
1198 struct sk_buff
*skb
;
1201 struct net_device
*wifidev
;
1202 struct iw_statistics wstats
; // wireless stats
1203 unsigned long scan_timeout
; /* Time scan should be read */
1204 struct iw_spy_data spy_data
;
1205 struct iw_public_data wireless_data
;
1207 struct crypto_cipher
*tfm
;
1209 mic_statistics micstats
;
1210 HostRxDesc rxfids
[MPI_MAX_FIDS
]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids
[MPI_MAX_FIDS
];
1212 HostRidDesc config_desc
;
1213 unsigned long ridbus
; // phys addr of config_desc
1214 struct sk_buff_head txq
;// tx queue used by mpi350 code
1215 struct pci_dev
*pci
;
1216 unsigned char __iomem
*pcimem
;
1217 unsigned char __iomem
*pciaux
;
1218 unsigned char *shared
;
1219 dma_addr_t shared_dma
;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name
[IFNAMSIZ
];
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst
;
1228 unsigned int bssListNext
;
1229 unsigned int bssListRidLen
;
1231 struct list_head network_list
;
1232 struct list_head network_free_list
;
1233 BSSListElement
*networks
;
1236 static inline int bap_read(struct airo_info
*ai
, u16
*pu16Dst
, int bytelen
,
1238 return ai
->bap_read(ai
, pu16Dst
, bytelen
, whichbap
);
1241 static int setup_proc_entry( struct net_device
*dev
,
1242 struct airo_info
*apriv
);
1243 static int takedown_proc_entry( struct net_device
*dev
,
1244 struct airo_info
*apriv
);
1246 static int cmdreset(struct airo_info
*ai
);
1247 static int setflashmode (struct airo_info
*ai
);
1248 static int flashgchar(struct airo_info
*ai
,int matchbyte
,int dwelltime
);
1249 static int flashputbuf(struct airo_info
*ai
);
1250 static int flashrestart(struct airo_info
*ai
,struct net_device
*dev
);
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1268 /***********************************************************************
1270 ***********************************************************************
1273 static int RxSeqValid (struct airo_info
*ai
,miccntx
*context
,int mcast
,u32 micSeq
);
1274 static void MoveWindow(miccntx
*context
, u32 micSeq
);
1275 static void emmh32_setseed(emmh32_context
*context
, u8
*pkey
, int keylen
,
1276 struct crypto_cipher
*tfm
);
1277 static void emmh32_init(emmh32_context
*context
);
1278 static void emmh32_update(emmh32_context
*context
, u8
*pOctets
, int len
);
1279 static void emmh32_final(emmh32_context
*context
, u8 digest
[4]);
1280 static int flashpchar(struct airo_info
*ai
,int byte
,int dwelltime
);
1282 /* micinit - Initialize mic seed */
1284 static void micinit(struct airo_info
*ai
)
1288 clear_bit(JOB_MIC
, &ai
->jobs
);
1289 PC4500_readrid(ai
, RID_MIC
, &mic_rid
, sizeof(mic_rid
), 0);
1292 ai
->micstats
.enabled
= (mic_rid
.state
& 0x00FF) ? 1 : 0;
1294 if (ai
->micstats
.enabled
) {
1295 /* Key must be valid and different */
1296 if (mic_rid
.multicastValid
&& (!ai
->mod
[0].mCtx
.valid
||
1297 (memcmp (ai
->mod
[0].mCtx
.key
, mic_rid
.multicast
,
1298 sizeof(ai
->mod
[0].mCtx
.key
)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai
->mod
[1].mCtx
,&ai
->mod
[0].mCtx
,sizeof(miccntx
));
1301 /* Initialize new context */
1302 memcpy(&ai
->mod
[0].mCtx
.key
,mic_rid
.multicast
,sizeof(mic_rid
.multicast
));
1303 ai
->mod
[0].mCtx
.window
= 33; //Window always points to the middle
1304 ai
->mod
[0].mCtx
.rx
= 0; //Rx Sequence numbers
1305 ai
->mod
[0].mCtx
.tx
= 0; //Tx sequence numbers
1306 ai
->mod
[0].mCtx
.valid
= 1; //Key is now valid
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai
->mod
[0].mCtx
.seed
,mic_rid
.multicast
,sizeof(mic_rid
.multicast
), ai
->tfm
);
1312 /* Key must be valid and different */
1313 if (mic_rid
.unicastValid
&& (!ai
->mod
[0].uCtx
.valid
||
1314 (memcmp(ai
->mod
[0].uCtx
.key
, mic_rid
.unicast
,
1315 sizeof(ai
->mod
[0].uCtx
.key
)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai
->mod
[1].uCtx
,&ai
->mod
[0].uCtx
,sizeof(miccntx
));
1318 /* Initialize new context */
1319 memcpy(&ai
->mod
[0].uCtx
.key
,mic_rid
.unicast
,sizeof(mic_rid
.unicast
));
1321 ai
->mod
[0].uCtx
.window
= 33; //Window always points to the middle
1322 ai
->mod
[0].uCtx
.rx
= 0; //Rx Sequence numbers
1323 ai
->mod
[0].uCtx
.tx
= 0; //Tx sequence numbers
1324 ai
->mod
[0].uCtx
.valid
= 1; //Key is now valid
1326 //Give key to mic seed
1327 emmh32_setseed(&ai
->mod
[0].uCtx
.seed
, mic_rid
.unicast
, sizeof(mic_rid
.unicast
), ai
->tfm
);
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1333 ai
->mod
[0].uCtx
.valid
= 0;
1334 ai
->mod
[0].mCtx
.valid
= 0;
1338 /* micsetup - Get ready for business */
1340 static int micsetup(struct airo_info
*ai
) {
1343 if (ai
->tfm
== NULL
)
1344 ai
->tfm
= crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC
);
1346 if (IS_ERR(ai
->tfm
)) {
1347 airo_print_err(ai
->dev
->name
, "failed to load transform for AES");
1352 for (i
=0; i
< NUM_MODULES
; i
++) {
1353 memset(&ai
->mod
[i
].mCtx
,0,sizeof(miccntx
));
1354 memset(&ai
->mod
[i
].uCtx
,0,sizeof(miccntx
));
1359 static char micsnap
[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1361 /*===========================================================================
1362 * Description: Mic a packet
1364 * Inputs: etherHead * pointer to an 802.3 frame
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1377 static int encapsulate(struct airo_info
*ai
,etherHead
*frame
, MICBuffer
*mic
, int payLen
)
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1384 if (test_bit(FLAG_ADHOC
, &ai
->flags
) && (frame
->da
[0] & 0x1))
1385 context
= &ai
->mod
[0].mCtx
;
1387 context
= &ai
->mod
[0].uCtx
;
1389 if (!context
->valid
)
1392 mic
->typelen
= htons(payLen
+ 16); //Length of Mic'd packet
1394 memcpy(&mic
->u
.snap
, micsnap
, sizeof(micsnap
)); // Add Snap
1397 mic
->seq
= htonl(context
->tx
);
1400 emmh32_init(&context
->seed
); // Mic the packet
1401 emmh32_update(&context
->seed
,frame
->da
,ETH_ALEN
* 2); // DA,SA
1402 emmh32_update(&context
->seed
,(u8
*)&mic
->typelen
,10); // Type/Length and Snap
1403 emmh32_update(&context
->seed
,(u8
*)&mic
->seq
,sizeof(mic
->seq
)); //SEQ
1404 emmh32_update(&context
->seed
,frame
->da
+ ETH_ALEN
* 2,payLen
); //payload
1405 emmh32_final(&context
->seed
, (u8
*)&mic
->mic
);
1407 /* New Type/length ?????????? */
1408 mic
->typelen
= 0; //Let NIC know it could be an oversized packet
1420 /*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1424 * Inputs: etherHead pointer to the 802.3 packet
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1433 static int decapsulate(struct airo_info
*ai
, MICBuffer
*mic
, etherHead
*eth
, u16 payLen
)
1439 mic_error micError
= NONE
;
1441 // Check if the packet is a Mic'd packet
1443 if (!ai
->micstats
.enabled
) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8
*)eth
+ 14, micsnap
, sizeof(micsnap
)) == 0) {
1446 ai
->micstats
.rxMICPlummed
++;
1452 if (ntohs(mic
->typelen
) == 0x888E)
1455 if (memcmp (mic
->u
.snap
, micsnap
, sizeof(micsnap
)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai
->micstats
.rxMICPlummed
++;
1461 micSEQ
= ntohl(mic
->seq
); //store SEQ as CPU order
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1466 //Receive seq must be odd
1467 if ( (micSEQ
& 1) == 0 ) {
1468 ai
->micstats
.rxWrongSequence
++;
1472 for (i
= 0; i
< NUM_MODULES
; i
++) {
1473 int mcast
= eth
->da
[0] & 1;
1474 //Determine proper context
1475 context
= mcast
? &ai
->mod
[i
].mCtx
: &ai
->mod
[i
].uCtx
;
1477 //Make sure context is valid
1478 if (!context
->valid
) {
1480 micError
= NOMICPLUMMED
;
1486 mic
->typelen
= htons(payLen
+ sizeof(MICBuffer
) - 2);
1488 emmh32_init(&context
->seed
);
1489 emmh32_update(&context
->seed
, eth
->da
, ETH_ALEN
*2);
1490 emmh32_update(&context
->seed
, (u8
*)&mic
->typelen
, sizeof(mic
->typelen
)+sizeof(mic
->u
.snap
));
1491 emmh32_update(&context
->seed
, (u8
*)&mic
->seq
,sizeof(mic
->seq
));
1492 emmh32_update(&context
->seed
, eth
->da
+ ETH_ALEN
*2,payLen
);
1494 emmh32_final(&context
->seed
, digest
);
1496 if (memcmp(digest
, &mic
->mic
, 4)) { //Make sure the mics match
1499 micError
= INCORRECTMIC
;
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai
, context
, mcast
, micSEQ
) == SUCCESS
) {
1505 ai
->micstats
.rxSuccess
++;
1509 micError
= SEQUENCE
;
1512 // Update statistics
1514 case NOMICPLUMMED
: ai
->micstats
.rxMICPlummed
++; break;
1515 case SEQUENCE
: ai
->micstats
.rxWrongSequence
++; break;
1516 case INCORRECTMIC
: ai
->micstats
.rxIncorrectMIC
++; break;
1523 /*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1530 * Returns: TRUE if valid otherwise FALSE.
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1537 static int RxSeqValid (struct airo_info
*ai
,miccntx
*context
,int mcast
,u32 micSeq
)
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1545 if (test_bit(FLAG_UPDATE_MULTI
, &ai
->flags
)) {
1546 clear_bit (FLAG_UPDATE_MULTI
, &ai
->flags
);
1547 context
->window
= (micSeq
> 33) ? micSeq
: 33;
1548 context
->rx
= 0; // Reset rx
1550 } else if (test_bit(FLAG_UPDATE_UNI
, &ai
->flags
)) {
1551 clear_bit (FLAG_UPDATE_UNI
, &ai
->flags
);
1552 context
->window
= (micSeq
> 33) ? micSeq
: 33; // Move window
1553 context
->rx
= 0; // Reset rx
1556 //Make sequence number relative to START of window
1557 seq
= micSeq
- (context
->window
- 33);
1559 //Too old of a SEQ number to check.
1564 //Window is infinite forward
1565 MoveWindow(context
,micSeq
);
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq
>>= 1; //divide by 2 because we only have odd numbers
1571 index
= 1 << seq
; //Get an index number
1573 if (!(context
->rx
& index
)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context
->rx
|= index
;
1578 MoveWindow(context
,micSeq
);
1585 static void MoveWindow(miccntx
*context
, u32 micSeq
)
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq
> context
->window
) {
1591 shift
= (micSeq
- context
->window
) >> 1;
1595 context
->rx
>>= shift
;
1599 context
->window
= micSeq
; //Move window
1603 /*==============================================*/
1604 /*========== EMMH ROUTINES ====================*/
1605 /*==============================================*/
1607 /* mic accumulate */
1608 #define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1611 static unsigned char aes_counter
[16];
1613 /* expand the key to fill the MMH coefficient array */
1614 static void emmh32_setseed(emmh32_context
*context
, u8
*pkey
, int keylen
,
1615 struct crypto_cipher
*tfm
)
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1622 u8
*cipher
, plain
[16];
1624 crypto_cipher_setkey(tfm
, pkey
, 16);
1626 for (i
= 0; i
< ARRAY_SIZE(context
->coeff
); ) {
1627 aes_counter
[15] = (u8
)(counter
>> 0);
1628 aes_counter
[14] = (u8
)(counter
>> 8);
1629 aes_counter
[13] = (u8
)(counter
>> 16);
1630 aes_counter
[12] = (u8
)(counter
>> 24);
1632 memcpy (plain
, aes_counter
, 16);
1633 crypto_cipher_encrypt_one(tfm
, plain
, plain
);
1635 for (j
= 0; (j
< 16) && (i
< ARRAY_SIZE(context
->coeff
)); ) {
1636 context
->coeff
[i
++] = ntohl(*(u32
*)&cipher
[j
]);
1642 /* prepare for calculation of a new mic */
1643 static void emmh32_init(emmh32_context
*context
)
1645 /* prepare for new mic calculation */
1647 context
->position
= 0;
1650 /* add some bytes to the mic calculation */
1651 static void emmh32_update(emmh32_context
*context
, u8
*pOctets
, int len
)
1653 int coeff_position
, byte_position
;
1655 if (len
== 0) return;
1657 coeff_position
= context
->position
>> 2;
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position
= context
->position
& 3;
1661 if (byte_position
) {
1662 /* have a partial word in part to deal with */
1664 if (len
== 0) return;
1665 context
->part
.d8
[byte_position
++] = *pOctets
++;
1666 context
->position
++;
1668 } while (byte_position
< 4);
1669 MIC_ACCUM(htonl(context
->part
.d32
));
1672 /* deal with full 32-bit words */
1674 MIC_ACCUM(htonl(*(u32
*)pOctets
));
1675 context
->position
+= 4;
1680 /* deal with partial 32-bit word that will be left over from this update */
1683 context
->part
.d8
[byte_position
++] = *pOctets
++;
1684 context
->position
++;
1689 /* mask used to zero empty bytes for final partial word */
1690 static u32 mask32
[4] = { 0x00000000L
, 0xFF000000L
, 0xFFFF0000L
, 0xFFFFFF00L
};
1692 /* calculate the mic */
1693 static void emmh32_final(emmh32_context
*context
, u8 digest
[4])
1695 int coeff_position
, byte_position
;
1701 coeff_position
= context
->position
>> 2;
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position
= context
->position
& 3;
1705 if (byte_position
) {
1706 /* have a partial word in part to deal with */
1707 val
= htonl(context
->part
.d32
);
1708 MIC_ACCUM(val
& mask32
[byte_position
]); /* zero empty bytes */
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum
= context
->accum
;
1713 stmp
= (sum
& 0xffffffffLL
) - ((sum
>> 32) * 15);
1714 utmp
= (stmp
& 0xffffffffLL
) - ((stmp
>> 32) * 15);
1715 sum
= utmp
& 0xffffffffLL
;
1716 if (utmp
> 0x10000000fLL
)
1720 digest
[0] = (val
>>24) & 0xFF;
1721 digest
[1] = (val
>>16) & 0xFF;
1722 digest
[2] = (val
>>8) & 0xFF;
1723 digest
[3] = val
& 0xFF;
1726 static int readBSSListRid(struct airo_info
*ai
, int first
,
1733 if (ai
->flags
& FLAG_RADIO_MASK
) return -ENETDOWN
;
1734 memset(&cmd
, 0, sizeof(cmd
));
1735 cmd
.cmd
=CMD_LISTBSS
;
1736 if (down_interruptible(&ai
->sem
))
1737 return -ERESTARTSYS
;
1738 ai
->list_bss_task
= current
;
1739 issuecommand(ai
, &cmd
, &rsp
);
1741 /* Let the command take effect */
1742 schedule_timeout_uninterruptible(3 * HZ
);
1743 ai
->list_bss_task
= NULL
;
1745 rc
= PC4500_readrid(ai
, first
? ai
->bssListFirst
: ai
->bssListNext
,
1746 list
, ai
->bssListRidLen
, 1);
1748 list
->len
= le16_to_cpu(list
->len
);
1749 list
->index
= le16_to_cpu(list
->index
);
1750 list
->radioType
= le16_to_cpu(list
->radioType
);
1751 list
->cap
= le16_to_cpu(list
->cap
);
1752 list
->beaconInterval
= le16_to_cpu(list
->beaconInterval
);
1753 list
->fh
.dwell
= le16_to_cpu(list
->fh
.dwell
);
1754 list
->dsChannel
= le16_to_cpu(list
->dsChannel
);
1755 list
->atimWindow
= le16_to_cpu(list
->atimWindow
);
1756 list
->dBm
= le16_to_cpu(list
->dBm
);
1760 static int readWepKeyRid(struct airo_info
*ai
, WepKeyRid
*wkr
, int temp
, int lock
) {
1761 int rc
= PC4500_readrid(ai
, temp
? RID_WEP_TEMP
: RID_WEP_PERM
,
1762 wkr
, sizeof(*wkr
), lock
);
1764 wkr
->len
= le16_to_cpu(wkr
->len
);
1765 wkr
->kindex
= le16_to_cpu(wkr
->kindex
);
1766 wkr
->klen
= le16_to_cpu(wkr
->klen
);
1769 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771 static int writeWepKeyRid(struct airo_info
*ai
, WepKeyRid
*pwkr
, int perm
, int lock
) {
1773 WepKeyRid wkr
= *pwkr
;
1775 wkr
.len
= cpu_to_le16(wkr
.len
);
1776 wkr
.kindex
= cpu_to_le16(wkr
.kindex
);
1777 wkr
.klen
= cpu_to_le16(wkr
.klen
);
1778 rc
= PC4500_writerid(ai
, RID_WEP_TEMP
, &wkr
, sizeof(wkr
), lock
);
1779 if (rc
!=SUCCESS
) airo_print_err(ai
->dev
->name
, "WEP_TEMP set %x", rc
);
1781 rc
= PC4500_writerid(ai
, RID_WEP_PERM
, &wkr
, sizeof(wkr
), lock
);
1783 airo_print_err(ai
->dev
->name
, "WEP_PERM set %x", rc
);
1789 static int readSsidRid(struct airo_info
*ai
, SsidRid
*ssidr
) {
1791 int rc
= PC4500_readrid(ai
, RID_SSID
, ssidr
, sizeof(*ssidr
), 1);
1793 ssidr
->len
= le16_to_cpu(ssidr
->len
);
1794 for(i
= 0; i
< 3; i
++) {
1795 ssidr
->ssids
[i
].len
= le16_to_cpu(ssidr
->ssids
[i
].len
);
1799 static int writeSsidRid(struct airo_info
*ai
, SsidRid
*pssidr
, int lock
) {
1802 SsidRid ssidr
= *pssidr
;
1804 ssidr
.len
= cpu_to_le16(ssidr
.len
);
1805 for(i
= 0; i
< 3; i
++) {
1806 ssidr
.ssids
[i
].len
= cpu_to_le16(ssidr
.ssids
[i
].len
);
1808 rc
= PC4500_writerid(ai
, RID_SSID
, &ssidr
, sizeof(ssidr
), lock
);
1811 static int readConfigRid(struct airo_info
*ai
, int lock
) {
1819 rc
= PC4500_readrid(ai
, RID_ACTUALCONFIG
, &cfg
, sizeof(cfg
), lock
);
1823 for(s
= &cfg
.len
; s
<= &cfg
.rtsThres
; s
++) *s
= le16_to_cpu(*s
);
1825 for(s
= &cfg
.shortRetryLimit
; s
<= &cfg
.radioType
; s
++)
1826 *s
= le16_to_cpu(*s
);
1828 for(s
= &cfg
.txPower
; s
<= &cfg
.radioSpecific
; s
++)
1829 *s
= le16_to_cpu(*s
);
1831 for(s
= &cfg
.arlThreshold
; s
<= &cfg
._reserved4
[0]; s
++)
1832 *s
= cpu_to_le16(*s
);
1834 for(s
= &cfg
.autoWake
; s
<= &cfg
.autoWake
; s
++)
1835 *s
= cpu_to_le16(*s
);
1840 static inline void checkThrottle(struct airo_info
*ai
) {
1842 /* Old hardware had a limit on encryption speed */
1843 if (ai
->config
.authType
!= AUTH_OPEN
&& maxencrypt
) {
1844 for(i
=0; i
<8; i
++) {
1845 if (ai
->config
.rates
[i
] > maxencrypt
) {
1846 ai
->config
.rates
[i
] = 0;
1851 static int writeConfigRid(struct airo_info
*ai
, int lock
) {
1855 if (!test_bit (FLAG_COMMIT
, &ai
->flags
))
1858 clear_bit (FLAG_COMMIT
, &ai
->flags
);
1859 clear_bit (FLAG_RESET
, &ai
->flags
);
1863 if ((cfgr
.opmode
& 0xFF) == MODE_STA_IBSS
)
1864 set_bit(FLAG_ADHOC
, &ai
->flags
);
1866 clear_bit(FLAG_ADHOC
, &ai
->flags
);
1868 for(s
= &cfgr
.len
; s
<= &cfgr
.rtsThres
; s
++) *s
= cpu_to_le16(*s
);
1870 for(s
= &cfgr
.shortRetryLimit
; s
<= &cfgr
.radioType
; s
++)
1871 *s
= cpu_to_le16(*s
);
1873 for(s
= &cfgr
.txPower
; s
<= &cfgr
.radioSpecific
; s
++)
1874 *s
= cpu_to_le16(*s
);
1876 for(s
= &cfgr
.arlThreshold
; s
<= &cfgr
._reserved4
[0]; s
++)
1877 *s
= cpu_to_le16(*s
);
1879 for(s
= &cfgr
.autoWake
; s
<= &cfgr
.autoWake
; s
++)
1880 *s
= cpu_to_le16(*s
);
1882 return PC4500_writerid( ai
, RID_CONFIG
, &cfgr
, sizeof(cfgr
), lock
);
1884 static int readStatusRid(struct airo_info
*ai
, StatusRid
*statr
, int lock
) {
1885 int rc
= PC4500_readrid(ai
, RID_STATUS
, statr
, sizeof(*statr
), lock
);
1888 statr
->len
= le16_to_cpu(statr
->len
);
1889 for(s
= &statr
->mode
; s
<= &statr
->SSIDlen
; s
++) *s
= le16_to_cpu(*s
);
1891 for(s
= &statr
->beaconPeriod
; s
<= &statr
->shortPreamble
; s
++)
1892 *s
= le16_to_cpu(*s
);
1893 statr
->load
= le16_to_cpu(statr
->load
);
1894 statr
->assocStatus
= le16_to_cpu(statr
->assocStatus
);
1897 static int readAPListRid(struct airo_info
*ai
, APListRid
*aplr
) {
1898 int rc
= PC4500_readrid(ai
, RID_APLIST
, aplr
, sizeof(*aplr
), 1);
1899 aplr
->len
= le16_to_cpu(aplr
->len
);
1902 static int writeAPListRid(struct airo_info
*ai
, APListRid
*aplr
, int lock
) {
1904 aplr
->len
= cpu_to_le16(aplr
->len
);
1905 rc
= PC4500_writerid(ai
, RID_APLIST
, aplr
, sizeof(*aplr
), lock
);
1908 static int readCapabilityRid(struct airo_info
*ai
, CapabilityRid
*capr
, int lock
) {
1909 int rc
= PC4500_readrid(ai
, RID_CAPABILITIES
, capr
, sizeof(*capr
), lock
);
1912 capr
->len
= le16_to_cpu(capr
->len
);
1913 capr
->prodNum
= le16_to_cpu(capr
->prodNum
);
1914 capr
->radioType
= le16_to_cpu(capr
->radioType
);
1915 capr
->country
= le16_to_cpu(capr
->country
);
1916 for(s
= &capr
->txPowerLevels
[0]; s
<= &capr
->requiredHard
; s
++)
1917 *s
= le16_to_cpu(*s
);
1920 static int readStatsRid(struct airo_info
*ai
, StatsRid
*sr
, int rid
, int lock
) {
1921 int rc
= PC4500_readrid(ai
, rid
, sr
, sizeof(*sr
), lock
);
1924 sr
->len
= le16_to_cpu(sr
->len
);
1925 for(i
= &sr
->vals
[0]; i
<= &sr
->vals
[99]; i
++) *i
= le32_to_cpu(*i
);
1929 static int airo_open(struct net_device
*dev
) {
1930 struct airo_info
*info
= dev
->priv
;
1933 if (test_bit(FLAG_FLASHING
, &info
->flags
))
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT
, &info
->flags
)) {
1941 disable_MAC(info
, 1);
1942 writeConfigRid(info
, 1);
1945 if (info
->wifidev
!= dev
) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN
, &info
->flags
);
1948 enable_interrupts(info
);
1950 enable_MAC(info
, &rsp
, 1);
1952 netif_start_queue(dev
);
1956 static int mpi_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
) {
1957 int npacks
, pending
;
1958 unsigned long flags
;
1959 struct airo_info
*ai
= dev
->priv
;
1962 airo_print_err(dev
->name
, "%s: skb == NULL!",__FUNCTION__
);
1965 npacks
= skb_queue_len (&ai
->txq
);
1967 if (npacks
>= MAXTXQ
- 1) {
1968 netif_stop_queue (dev
);
1969 if (npacks
> MAXTXQ
) {
1970 ai
->stats
.tx_fifo_errors
++;
1973 skb_queue_tail (&ai
->txq
, skb
);
1977 spin_lock_irqsave(&ai
->aux_lock
, flags
);
1978 skb_queue_tail (&ai
->txq
, skb
);
1979 pending
= test_bit(FLAG_PENDING_XMIT
, &ai
->flags
);
1980 spin_unlock_irqrestore(&ai
->aux_lock
,flags
);
1981 netif_wake_queue (dev
);
1984 set_bit(FLAG_PENDING_XMIT
, &ai
->flags
);
1985 mpi_send_packet (dev
);
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1997 static int mpi_send_packet (struct net_device
*dev
)
1999 struct sk_buff
*skb
;
2000 unsigned char *buffer
;
2001 s16 len
, *payloadLen
;
2002 struct airo_info
*ai
= dev
->priv
;
2005 /* get a packet to send */
2007 if ((skb
= skb_dequeue(&ai
->txq
)) == 0) {
2008 airo_print_err(dev
->name
,
2009 "%s: Dequeue'd zero in send_packet()",
2014 /* check min length*/
2015 len
= ETH_ZLEN
< skb
->len
? skb
->len
: ETH_ZLEN
;
2018 ai
->txfids
[0].tx_desc
.offset
= 0;
2019 ai
->txfids
[0].tx_desc
.valid
= 1;
2020 ai
->txfids
[0].tx_desc
.eoc
= 1;
2021 ai
->txfids
[0].tx_desc
.len
=len
+sizeof(WifiHdr
);
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2031 memcpy((char *)ai
->txfids
[0].virtual_host_addr
,
2032 (char *)&wifictlhdr8023
, sizeof(wifictlhdr8023
));
2034 payloadLen
= (s16
*)(ai
->txfids
[0].virtual_host_addr
+
2035 sizeof(wifictlhdr8023
));
2036 sendbuf
= ai
->txfids
[0].virtual_host_addr
+
2037 sizeof(wifictlhdr8023
) + 2 ;
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2043 if (test_bit(FLAG_MIC_CAPABLE
, &ai
->flags
) && ai
->micstats
.enabled
&&
2044 (ntohs(((u16
*)buffer
)[6]) != 0x888E)) {
2047 if (encapsulate(ai
, (etherHead
*)buffer
, &pMic
, len
- sizeof(etherHead
)) != SUCCESS
)
2050 *payloadLen
= cpu_to_le16(len
-sizeof(etherHead
)+sizeof(pMic
));
2051 ai
->txfids
[0].tx_desc
.len
+= sizeof(pMic
);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf
, buffer
, sizeof(etherHead
));
2054 buffer
+= sizeof(etherHead
);
2055 sendbuf
+= sizeof(etherHead
);
2056 memcpy (sendbuf
, &pMic
, sizeof(pMic
));
2057 sendbuf
+= sizeof(pMic
);
2058 memcpy (sendbuf
, buffer
, len
- sizeof(etherHead
));
2060 *payloadLen
= cpu_to_le16(len
- sizeof(etherHead
));
2062 dev
->trans_start
= jiffies
;
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf
, buffer
, len
);
2068 memcpy_toio(ai
->txfids
[0].card_ram_off
,
2069 &ai
->txfids
[0].tx_desc
, sizeof(TxFid
));
2071 OUT4500(ai
, EVACK
, 8);
2073 dev_kfree_skb_any(skb
);
2077 static void get_tx_error(struct airo_info
*ai
, s32 fid
)
2082 status
= ((WifiCtlHdr
*)ai
->txfids
[0].virtual_host_addr
)->ctlhdr
.status
;
2084 if (bap_setup(ai
, ai
->fids
[fid
] & 0xffff, 4, BAP0
) != SUCCESS
)
2086 bap_read(ai
, &status
, 2, BAP0
);
2088 if (le16_to_cpu(status
) & 2) /* Too many retries */
2089 ai
->stats
.tx_aborted_errors
++;
2090 if (le16_to_cpu(status
) & 4) /* Transmit lifetime exceeded */
2091 ai
->stats
.tx_heartbeat_errors
++;
2092 if (le16_to_cpu(status
) & 8) /* Aid fail */
2094 if (le16_to_cpu(status
) & 0x10) /* MAC disabled */
2095 ai
->stats
.tx_carrier_errors
++;
2096 if (le16_to_cpu(status
) & 0x20) /* Association lost */
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status
) & 2) ||
2103 (le16_to_cpu(status
) & 4)) {
2104 union iwreq_data wrqu
;
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai
, (u16
*) junk
, 0x18, BAP0
);
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2120 memcpy(wrqu
.addr
.sa_data
, junk
+ 0x12, ETH_ALEN
);
2121 wrqu
.addr
.sa_family
= ARPHRD_ETHER
;
2123 /* Send event to user space */
2124 wireless_send_event(ai
->dev
, IWEVTXDROP
, &wrqu
, NULL
);
2128 static void airo_end_xmit(struct net_device
*dev
) {
2131 struct airo_info
*priv
= dev
->priv
;
2132 struct sk_buff
*skb
= priv
->xmit
.skb
;
2133 int fid
= priv
->xmit
.fid
;
2134 u32
*fids
= priv
->fids
;
2136 clear_bit(JOB_XMIT
, &priv
->jobs
);
2137 clear_bit(FLAG_PENDING_XMIT
, &priv
->flags
);
2138 status
= transmit_802_3_packet (priv
, fids
[fid
], skb
->data
);
2142 if ( status
== SUCCESS
) {
2143 dev
->trans_start
= jiffies
;
2144 for (; i
< MAX_FIDS
/ 2 && (priv
->fids
[i
] & 0xffff0000); i
++);
2146 priv
->fids
[fid
] &= 0xffff;
2147 priv
->stats
.tx_window_errors
++;
2149 if (i
< MAX_FIDS
/ 2)
2150 netif_wake_queue(dev
);
2154 static int airo_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
) {
2157 struct airo_info
*priv
= dev
->priv
;
2158 u32
*fids
= priv
->fids
;
2160 if ( skb
== NULL
) {
2161 airo_print_err(dev
->name
, "%s: skb == NULL!", __FUNCTION__
);
2165 /* Find a vacant FID */
2166 for( i
= 0; i
< MAX_FIDS
/ 2 && (fids
[i
] & 0xffff0000); i
++ );
2167 for( j
= i
+ 1; j
< MAX_FIDS
/ 2 && (fids
[j
] & 0xffff0000); j
++ );
2169 if ( j
>= MAX_FIDS
/ 2 ) {
2170 netif_stop_queue(dev
);
2172 if (i
== MAX_FIDS
/ 2) {
2173 priv
->stats
.tx_fifo_errors
++;
2177 /* check min length*/
2178 len
= ETH_ZLEN
< skb
->len
? skb
->len
: ETH_ZLEN
;
2179 /* Mark fid as used & save length for later */
2180 fids
[i
] |= (len
<< 16);
2181 priv
->xmit
.skb
= skb
;
2183 if (down_trylock(&priv
->sem
) != 0) {
2184 set_bit(FLAG_PENDING_XMIT
, &priv
->flags
);
2185 netif_stop_queue(dev
);
2186 set_bit(JOB_XMIT
, &priv
->jobs
);
2187 wake_up_interruptible(&priv
->thr_wait
);
2193 static void airo_end_xmit11(struct net_device
*dev
) {
2196 struct airo_info
*priv
= dev
->priv
;
2197 struct sk_buff
*skb
= priv
->xmit11
.skb
;
2198 int fid
= priv
->xmit11
.fid
;
2199 u32
*fids
= priv
->fids
;
2201 clear_bit(JOB_XMIT11
, &priv
->jobs
);
2202 clear_bit(FLAG_PENDING_XMIT11
, &priv
->flags
);
2203 status
= transmit_802_11_packet (priv
, fids
[fid
], skb
->data
);
2207 if ( status
== SUCCESS
) {
2208 dev
->trans_start
= jiffies
;
2209 for (; i
< MAX_FIDS
&& (priv
->fids
[i
] & 0xffff0000); i
++);
2211 priv
->fids
[fid
] &= 0xffff;
2212 priv
->stats
.tx_window_errors
++;
2215 netif_wake_queue(dev
);
2219 static int airo_start_xmit11(struct sk_buff
*skb
, struct net_device
*dev
) {
2222 struct airo_info
*priv
= dev
->priv
;
2223 u32
*fids
= priv
->fids
;
2225 if (test_bit(FLAG_MPI
, &priv
->flags
)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev
);
2231 if ( skb
== NULL
) {
2232 airo_print_err(dev
->name
, "%s: skb == NULL!", __FUNCTION__
);
2236 /* Find a vacant FID */
2237 for( i
= MAX_FIDS
/ 2; i
< MAX_FIDS
&& (fids
[i
] & 0xffff0000); i
++ );
2238 for( j
= i
+ 1; j
< MAX_FIDS
&& (fids
[j
] & 0xffff0000); j
++ );
2240 if ( j
>= MAX_FIDS
) {
2241 netif_stop_queue(dev
);
2243 if (i
== MAX_FIDS
) {
2244 priv
->stats
.tx_fifo_errors
++;
2248 /* check min length*/
2249 len
= ETH_ZLEN
< skb
->len
? skb
->len
: ETH_ZLEN
;
2250 /* Mark fid as used & save length for later */
2251 fids
[i
] |= (len
<< 16);
2252 priv
->xmit11
.skb
= skb
;
2253 priv
->xmit11
.fid
= i
;
2254 if (down_trylock(&priv
->sem
) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11
, &priv
->flags
);
2256 netif_stop_queue(dev
);
2257 set_bit(JOB_XMIT11
, &priv
->jobs
);
2258 wake_up_interruptible(&priv
->thr_wait
);
2260 airo_end_xmit11(dev
);
2264 static void airo_read_stats(struct airo_info
*ai
) {
2266 u32
*vals
= stats_rid
.vals
;
2268 clear_bit(JOB_STATS
, &ai
->jobs
);
2269 if (ai
->power
.event
) {
2273 readStatsRid(ai
, &stats_rid
, RID_STATS
, 0);
2276 ai
->stats
.rx_packets
= vals
[43] + vals
[44] + vals
[45];
2277 ai
->stats
.tx_packets
= vals
[39] + vals
[40] + vals
[41];
2278 ai
->stats
.rx_bytes
= vals
[92];
2279 ai
->stats
.tx_bytes
= vals
[91];
2280 ai
->stats
.rx_errors
= vals
[0] + vals
[2] + vals
[3] + vals
[4];
2281 ai
->stats
.tx_errors
= vals
[42] + ai
->stats
.tx_fifo_errors
;
2282 ai
->stats
.multicast
= vals
[43];
2283 ai
->stats
.collisions
= vals
[89];
2285 /* detailed rx_errors: */
2286 ai
->stats
.rx_length_errors
= vals
[3];
2287 ai
->stats
.rx_crc_errors
= vals
[4];
2288 ai
->stats
.rx_frame_errors
= vals
[2];
2289 ai
->stats
.rx_fifo_errors
= vals
[0];
2292 static struct net_device_stats
*airo_get_stats(struct net_device
*dev
)
2294 struct airo_info
*local
= dev
->priv
;
2296 if (!test_bit(JOB_STATS
, &local
->jobs
)) {
2297 /* Get stats out of the card if available */
2298 if (down_trylock(&local
->sem
) != 0) {
2299 set_bit(JOB_STATS
, &local
->jobs
);
2300 wake_up_interruptible(&local
->thr_wait
);
2302 airo_read_stats(local
);
2305 return &local
->stats
;
2308 static void airo_set_promisc(struct airo_info
*ai
) {
2312 memset(&cmd
, 0, sizeof(cmd
));
2313 cmd
.cmd
=CMD_SETMODE
;
2314 clear_bit(JOB_PROMISC
, &ai
->jobs
);
2315 cmd
.parm0
=(ai
->flags
&IFF_PROMISC
) ? PROMISC
: NOPROMISC
;
2316 issuecommand(ai
, &cmd
, &rsp
);
2320 static void airo_set_multicast_list(struct net_device
*dev
) {
2321 struct airo_info
*ai
= dev
->priv
;
2323 if ((dev
->flags
^ ai
->flags
) & IFF_PROMISC
) {
2324 change_bit(FLAG_PROMISC
, &ai
->flags
);
2325 if (down_trylock(&ai
->sem
) != 0) {
2326 set_bit(JOB_PROMISC
, &ai
->jobs
);
2327 wake_up_interruptible(&ai
->thr_wait
);
2329 airo_set_promisc(ai
);
2332 if ((dev
->flags
&IFF_ALLMULTI
)||dev
->mc_count
>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2337 static int airo_set_mac_address(struct net_device
*dev
, void *p
)
2339 struct airo_info
*ai
= dev
->priv
;
2340 struct sockaddr
*addr
= p
;
2343 readConfigRid(ai
, 1);
2344 memcpy (ai
->config
.macAddr
, addr
->sa_data
, dev
->addr_len
);
2345 set_bit (FLAG_COMMIT
, &ai
->flags
);
2347 writeConfigRid (ai
, 1);
2348 enable_MAC(ai
, &rsp
, 1);
2349 memcpy (ai
->dev
->dev_addr
, addr
->sa_data
, dev
->addr_len
);
2351 memcpy (ai
->wifidev
->dev_addr
, addr
->sa_data
, dev
->addr_len
);
2355 static int airo_change_mtu(struct net_device
*dev
, int new_mtu
)
2357 if ((new_mtu
< 68) || (new_mtu
> 2400))
2364 static int airo_close(struct net_device
*dev
) {
2365 struct airo_info
*ai
= dev
->priv
;
2367 netif_stop_queue(dev
);
2369 if (ai
->wifidev
!= dev
) {
2370 #ifdef POWER_ON_DOWN
2371 /* Shut power to the card. The idea is that the user can save
2372 * power when he doesn't need the card with "ifconfig down".
2373 * That's the method that is most friendly towards the network
2374 * stack (i.e. the network stack won't try to broadcast
2375 * anything on the interface and routes are gone. Jean II */
2376 set_bit(FLAG_RADIO_DOWN
, &ai
->flags
);
2379 disable_interrupts( ai
);
2384 static void del_airo_dev( struct net_device
*dev
);
2386 void stop_airo_card( struct net_device
*dev
, int freeres
)
2388 struct airo_info
*ai
= dev
->priv
;
2390 set_bit(FLAG_RADIO_DOWN
, &ai
->flags
);
2392 disable_interrupts(ai
);
2393 free_irq( dev
->irq
, dev
);
2394 takedown_proc_entry( dev
, ai
);
2395 if (test_bit(FLAG_REGISTERED
, &ai
->flags
)) {
2396 unregister_netdev( dev
);
2398 unregister_netdev(ai
->wifidev
);
2399 free_netdev(ai
->wifidev
);
2402 clear_bit(FLAG_REGISTERED
, &ai
->flags
);
2404 set_bit(JOB_DIE
, &ai
->jobs
);
2405 kthread_stop(ai
->airo_thread_task
);
2408 * Clean out tx queue
2410 if (test_bit(FLAG_MPI
, &ai
->flags
) && !skb_queue_empty(&ai
->txq
)) {
2411 struct sk_buff
*skb
= NULL
;
2412 for (;(skb
= skb_dequeue(&ai
->txq
));)
2416 airo_networks_free (ai
);
2423 /* PCMCIA frees this stuff, so only for PCI and ISA */
2424 release_region( dev
->base_addr
, 64 );
2425 if (test_bit(FLAG_MPI
, &ai
->flags
)) {
2427 mpi_unmap_card(ai
->pci
);
2429 iounmap(ai
->pcimem
);
2431 iounmap(ai
->pciaux
);
2432 pci_free_consistent(ai
->pci
, PCI_SHARED_LEN
,
2433 ai
->shared
, ai
->shared_dma
);
2436 crypto_free_cipher(ai
->tfm
);
2437 del_airo_dev( dev
);
2441 EXPORT_SYMBOL(stop_airo_card
);
2443 static int add_airo_dev( struct net_device
*dev
);
2445 static int wll_header_parse(struct sk_buff
*skb
, unsigned char *haddr
)
2447 memcpy(haddr
, skb_mac_header(skb
) + 10, ETH_ALEN
);
2451 static void mpi_unmap_card(struct pci_dev
*pci
)
2453 unsigned long mem_start
= pci_resource_start(pci
, 1);
2454 unsigned long mem_len
= pci_resource_len(pci
, 1);
2455 unsigned long aux_start
= pci_resource_start(pci
, 2);
2456 unsigned long aux_len
= AUXMEMSIZE
;
2458 release_mem_region(aux_start
, aux_len
);
2459 release_mem_region(mem_start
, mem_len
);
2462 /*************************************************************
2463 * This routine assumes that descriptors have been setup .
2464 * Run at insmod time or after reset when the decriptors
2465 * have been initialized . Returns 0 if all is well nz
2466 * otherwise . Does not allocate memory but sets up card
2467 * using previously allocated descriptors.
2469 static int mpi_init_descriptors (struct airo_info
*ai
)
2476 /* Alloc card RX descriptors */
2477 netif_stop_queue(ai
->dev
);
2479 memset(&rsp
,0,sizeof(rsp
));
2480 memset(&cmd
,0,sizeof(cmd
));
2482 cmd
.cmd
= CMD_ALLOCATEAUX
;
2484 cmd
.parm1
= (ai
->rxfids
[0].card_ram_off
- ai
->pciaux
);
2485 cmd
.parm2
= MPI_MAX_FIDS
;
2486 rc
=issuecommand(ai
, &cmd
, &rsp
);
2487 if (rc
!= SUCCESS
) {
2488 airo_print_err(ai
->dev
->name
, "Couldn't allocate RX FID");
2492 for (i
=0; i
<MPI_MAX_FIDS
; i
++) {
2493 memcpy_toio(ai
->rxfids
[i
].card_ram_off
,
2494 &ai
->rxfids
[i
].rx_desc
, sizeof(RxFid
));
2497 /* Alloc card TX descriptors */
2499 memset(&rsp
,0,sizeof(rsp
));
2500 memset(&cmd
,0,sizeof(cmd
));
2502 cmd
.cmd
= CMD_ALLOCATEAUX
;
2504 cmd
.parm1
= (ai
->txfids
[0].card_ram_off
- ai
->pciaux
);
2505 cmd
.parm2
= MPI_MAX_FIDS
;
2507 for (i
=0; i
<MPI_MAX_FIDS
; i
++) {
2508 ai
->txfids
[i
].tx_desc
.valid
= 1;
2509 memcpy_toio(ai
->txfids
[i
].card_ram_off
,
2510 &ai
->txfids
[i
].tx_desc
, sizeof(TxFid
));
2512 ai
->txfids
[i
-1].tx_desc
.eoc
= 1; /* Last descriptor has EOC set */
2514 rc
=issuecommand(ai
, &cmd
, &rsp
);
2515 if (rc
!= SUCCESS
) {
2516 airo_print_err(ai
->dev
->name
, "Couldn't allocate TX FID");
2520 /* Alloc card Rid descriptor */
2521 memset(&rsp
,0,sizeof(rsp
));
2522 memset(&cmd
,0,sizeof(cmd
));
2524 cmd
.cmd
= CMD_ALLOCATEAUX
;
2526 cmd
.parm1
= (ai
->config_desc
.card_ram_off
- ai
->pciaux
);
2527 cmd
.parm2
= 1; /* Magic number... */
2528 rc
=issuecommand(ai
, &cmd
, &rsp
);
2529 if (rc
!= SUCCESS
) {
2530 airo_print_err(ai
->dev
->name
, "Couldn't allocate RID");
2534 memcpy_toio(ai
->config_desc
.card_ram_off
,
2535 &ai
->config_desc
.rid_desc
, sizeof(Rid
));
2541 * We are setting up three things here:
2542 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2543 * 2) Map PCI memory for issueing commands.
2544 * 3) Allocate memory (shared) to send and receive ethernet frames.
2546 static int mpi_map_card(struct airo_info
*ai
, struct pci_dev
*pci
,
2549 unsigned long mem_start
, mem_len
, aux_start
, aux_len
;
2552 dma_addr_t busaddroff
;
2553 unsigned char *vpackoff
;
2554 unsigned char __iomem
*pciaddroff
;
2556 mem_start
= pci_resource_start(pci
, 1);
2557 mem_len
= pci_resource_len(pci
, 1);
2558 aux_start
= pci_resource_start(pci
, 2);
2559 aux_len
= AUXMEMSIZE
;
2561 if (!request_mem_region(mem_start
, mem_len
, name
)) {
2562 airo_print_err(ai
->dev
->name
, "Couldn't get region %x[%x] for %s",
2563 (int)mem_start
, (int)mem_len
, name
);
2566 if (!request_mem_region(aux_start
, aux_len
, name
)) {
2567 airo_print_err(ai
->dev
->name
, "Couldn't get region %x[%x] for %s",
2568 (int)aux_start
, (int)aux_len
, name
);
2572 ai
->pcimem
= ioremap(mem_start
, mem_len
);
2574 airo_print_err(ai
->dev
->name
, "Couldn't map region %x[%x] for %s",
2575 (int)mem_start
, (int)mem_len
, name
);
2578 ai
->pciaux
= ioremap(aux_start
, aux_len
);
2580 airo_print_err(ai
->dev
->name
, "Couldn't map region %x[%x] for %s",
2581 (int)aux_start
, (int)aux_len
, name
);
2585 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2586 ai
->shared
= pci_alloc_consistent(pci
, PCI_SHARED_LEN
, &ai
->shared_dma
);
2588 airo_print_err(ai
->dev
->name
, "Couldn't alloc_consistent %d",
2594 * Setup descriptor RX, TX, CONFIG
2596 busaddroff
= ai
->shared_dma
;
2597 pciaddroff
= ai
->pciaux
+ AUX_OFFSET
;
2598 vpackoff
= ai
->shared
;
2600 /* RX descriptor setup */
2601 for(i
= 0; i
< MPI_MAX_FIDS
; i
++) {
2602 ai
->rxfids
[i
].pending
= 0;
2603 ai
->rxfids
[i
].card_ram_off
= pciaddroff
;
2604 ai
->rxfids
[i
].virtual_host_addr
= vpackoff
;
2605 ai
->rxfids
[i
].rx_desc
.host_addr
= busaddroff
;
2606 ai
->rxfids
[i
].rx_desc
.valid
= 1;
2607 ai
->rxfids
[i
].rx_desc
.len
= PKTSIZE
;
2608 ai
->rxfids
[i
].rx_desc
.rdy
= 0;
2610 pciaddroff
+= sizeof(RxFid
);
2611 busaddroff
+= PKTSIZE
;
2612 vpackoff
+= PKTSIZE
;
2615 /* TX descriptor setup */
2616 for(i
= 0; i
< MPI_MAX_FIDS
; i
++) {
2617 ai
->txfids
[i
].card_ram_off
= pciaddroff
;
2618 ai
->txfids
[i
].virtual_host_addr
= vpackoff
;
2619 ai
->txfids
[i
].tx_desc
.valid
= 1;
2620 ai
->txfids
[i
].tx_desc
.host_addr
= busaddroff
;
2621 memcpy(ai
->txfids
[i
].virtual_host_addr
,
2622 &wifictlhdr8023
, sizeof(wifictlhdr8023
));
2624 pciaddroff
+= sizeof(TxFid
);
2625 busaddroff
+= PKTSIZE
;
2626 vpackoff
+= PKTSIZE
;
2628 ai
->txfids
[i
-1].tx_desc
.eoc
= 1; /* Last descriptor has EOC set */
2630 /* Rid descriptor setup */
2631 ai
->config_desc
.card_ram_off
= pciaddroff
;
2632 ai
->config_desc
.virtual_host_addr
= vpackoff
;
2633 ai
->config_desc
.rid_desc
.host_addr
= busaddroff
;
2634 ai
->ridbus
= busaddroff
;
2635 ai
->config_desc
.rid_desc
.rid
= 0;
2636 ai
->config_desc
.rid_desc
.len
= RIDSIZE
;
2637 ai
->config_desc
.rid_desc
.valid
= 1;
2638 pciaddroff
+= sizeof(Rid
);
2639 busaddroff
+= RIDSIZE
;
2640 vpackoff
+= RIDSIZE
;
2642 /* Tell card about descriptors */
2643 if (mpi_init_descriptors (ai
) != SUCCESS
)
2648 pci_free_consistent(pci
, PCI_SHARED_LEN
, ai
->shared
, ai
->shared_dma
);
2650 iounmap(ai
->pciaux
);
2652 iounmap(ai
->pcimem
);
2654 release_mem_region(aux_start
, aux_len
);
2656 release_mem_region(mem_start
, mem_len
);
2661 static void wifi_setup(struct net_device
*dev
)
2663 dev
->hard_header
= NULL
;
2664 dev
->rebuild_header
= NULL
;
2665 dev
->hard_header_cache
= NULL
;
2666 dev
->header_cache_update
= NULL
;
2668 dev
->hard_header_parse
= wll_header_parse
;
2669 dev
->hard_start_xmit
= &airo_start_xmit11
;
2670 dev
->get_stats
= &airo_get_stats
;
2671 dev
->set_mac_address
= &airo_set_mac_address
;
2672 dev
->do_ioctl
= &airo_ioctl
;
2673 dev
->wireless_handlers
= &airo_handler_def
;
2674 dev
->change_mtu
= &airo_change_mtu
;
2675 dev
->open
= &airo_open
;
2676 dev
->stop
= &airo_close
;
2678 dev
->type
= ARPHRD_IEEE80211
;
2679 dev
->hard_header_len
= ETH_HLEN
;
2680 dev
->mtu
= AIRO_DEF_MTU
;
2681 dev
->addr_len
= ETH_ALEN
;
2682 dev
->tx_queue_len
= 100;
2684 memset(dev
->broadcast
,0xFF, ETH_ALEN
);
2686 dev
->flags
= IFF_BROADCAST
|IFF_MULTICAST
;
2689 static struct net_device
*init_wifidev(struct airo_info
*ai
,
2690 struct net_device
*ethdev
)
2693 struct net_device
*dev
= alloc_netdev(0, "wifi%d", wifi_setup
);
2696 dev
->priv
= ethdev
->priv
;
2697 dev
->irq
= ethdev
->irq
;
2698 dev
->base_addr
= ethdev
->base_addr
;
2699 dev
->wireless_data
= ethdev
->wireless_data
;
2700 memcpy(dev
->dev_addr
, ethdev
->dev_addr
, dev
->addr_len
);
2701 err
= register_netdev(dev
);
2709 static int reset_card( struct net_device
*dev
, int lock
) {
2710 struct airo_info
*ai
= dev
->priv
;
2712 if (lock
&& down_interruptible(&ai
->sem
))
2715 OUT4500(ai
,COMMAND
,CMD_SOFTRESET
);
2724 #define AIRO_MAX_NETWORK_COUNT 64
2725 static int airo_networks_allocate(struct airo_info
*ai
)
2731 kzalloc(AIRO_MAX_NETWORK_COUNT
* sizeof(BSSListElement
),
2733 if (!ai
->networks
) {
2734 airo_print_warn(ai
->dev
->name
, "Out of memory allocating beacons");
2741 static void airo_networks_free(struct airo_info
*ai
)
2745 kfree(ai
->networks
);
2746 ai
->networks
= NULL
;
2749 static void airo_networks_initialize(struct airo_info
*ai
)
2753 INIT_LIST_HEAD(&ai
->network_free_list
);
2754 INIT_LIST_HEAD(&ai
->network_list
);
2755 for (i
= 0; i
< AIRO_MAX_NETWORK_COUNT
; i
++)
2756 list_add_tail(&ai
->networks
[i
].list
,
2757 &ai
->network_free_list
);
2760 static int airo_test_wpa_capable(struct airo_info
*ai
)
2763 CapabilityRid cap_rid
;
2764 const char *name
= ai
->dev
->name
;
2766 status
= readCapabilityRid(ai
, &cap_rid
, 1);
2767 if (status
!= SUCCESS
) return 0;
2769 /* Only firmware versions 5.30.17 or better can do WPA */
2770 if ((cap_rid
.softVer
> 0x530)
2771 || ((cap_rid
.softVer
== 0x530) && (cap_rid
.softSubVer
>= 17))) {
2772 airo_print_info(name
, "WPA is supported.");
2776 /* No WPA support */
2777 airo_print_info(name
, "WPA unsupported (only firmware versions 5.30.17"
2778 " and greater support WPA. Detected %s)", cap_rid
.prodVer
);
2782 static struct net_device
*_init_airo_card( unsigned short irq
, int port
,
2783 int is_pcmcia
, struct pci_dev
*pci
,
2784 struct device
*dmdev
)
2786 struct net_device
*dev
;
2787 struct airo_info
*ai
;
2790 /* Create the network device object. */
2791 dev
= alloc_etherdev(sizeof(*ai
));
2793 airo_print_err("", "Couldn't alloc_etherdev");
2796 if (dev_alloc_name(dev
, dev
->name
) < 0) {
2797 airo_print_err("", "Couldn't get name!");
2806 if (pci
&& (pci
->device
== 0x5000 || pci
->device
== 0xa504)) {
2807 airo_print_dbg(dev
->name
, "Found an MPI350 card");
2808 set_bit(FLAG_MPI
, &ai
->flags
);
2810 spin_lock_init(&ai
->aux_lock
);
2811 sema_init(&ai
->sem
, 1);
2814 init_waitqueue_head (&ai
->thr_wait
);
2815 ai
->airo_thread_task
= kthread_run(airo_thread
, dev
, dev
->name
);
2816 if (IS_ERR(ai
->airo_thread_task
))
2819 rc
= add_airo_dev( dev
);
2823 if (airo_networks_allocate (ai
))
2824 goto err_out_unlink
;
2825 airo_networks_initialize (ai
);
2827 /* The Airo-specific entries in the device structure. */
2828 if (test_bit(FLAG_MPI
,&ai
->flags
)) {
2829 skb_queue_head_init (&ai
->txq
);
2830 dev
->hard_start_xmit
= &mpi_start_xmit
;
2832 dev
->hard_start_xmit
= &airo_start_xmit
;
2833 dev
->get_stats
= &airo_get_stats
;
2834 dev
->set_multicast_list
= &airo_set_multicast_list
;
2835 dev
->set_mac_address
= &airo_set_mac_address
;
2836 dev
->do_ioctl
= &airo_ioctl
;
2837 dev
->wireless_handlers
= &airo_handler_def
;
2838 ai
->wireless_data
.spy_data
= &ai
->spy_data
;
2839 dev
->wireless_data
= &ai
->wireless_data
;
2840 dev
->change_mtu
= &airo_change_mtu
;
2841 dev
->open
= &airo_open
;
2842 dev
->stop
= &airo_close
;
2844 dev
->base_addr
= port
;
2846 SET_NETDEV_DEV(dev
, dmdev
);
2848 reset_card (dev
, 1);
2851 rc
= request_irq( dev
->irq
, airo_interrupt
, IRQF_SHARED
, dev
->name
, dev
);
2853 airo_print_err(dev
->name
, "register interrupt %d failed, rc %d",
2858 if (!request_region( dev
->base_addr
, 64, dev
->name
)) {
2860 airo_print_err(dev
->name
, "Couldn't request region");
2865 if (test_bit(FLAG_MPI
,&ai
->flags
)) {
2866 if (mpi_map_card(ai
, pci
, dev
->name
)) {
2867 airo_print_err(dev
->name
, "Could not map memory");
2873 if ( setup_card( ai
, dev
->dev_addr
, 1 ) != SUCCESS
) {
2874 airo_print_err(dev
->name
, "MAC could not be enabled" );
2878 } else if (!test_bit(FLAG_MPI
,&ai
->flags
)) {
2879 ai
->bap_read
= fast_bap_read
;
2880 set_bit(FLAG_FLASHING
, &ai
->flags
);
2883 /* Test for WPA support */
2884 if (airo_test_wpa_capable(ai
)) {
2885 set_bit(FLAG_WPA_CAPABLE
, &ai
->flags
);
2886 ai
->bssListFirst
= RID_WPA_BSSLISTFIRST
;
2887 ai
->bssListNext
= RID_WPA_BSSLISTNEXT
;
2888 ai
->bssListRidLen
= sizeof(BSSListRid
);
2890 ai
->bssListFirst
= RID_BSSLISTFIRST
;
2891 ai
->bssListNext
= RID_BSSLISTNEXT
;
2892 ai
->bssListRidLen
= sizeof(BSSListRid
) - sizeof(BSSListRidExtra
);
2895 rc
= register_netdev(dev
);
2897 airo_print_err(dev
->name
, "Couldn't register_netdev");
2900 ai
->wifidev
= init_wifidev(ai
, dev
);
2904 set_bit(FLAG_REGISTERED
,&ai
->flags
);
2905 airo_print_info(dev
->name
, "MAC enabled %x:%x:%x:%x:%x:%x",
2906 dev
->dev_addr
[0], dev
->dev_addr
[1], dev
->dev_addr
[2],
2907 dev
->dev_addr
[3], dev
->dev_addr
[4], dev
->dev_addr
[5] );
2909 /* Allocate the transmit buffers */
2910 if (probe
&& !test_bit(FLAG_MPI
,&ai
->flags
))
2911 for( i
= 0; i
< MAX_FIDS
; i
++ )
2912 ai
->fids
[i
] = transmit_allocate(ai
,AIRO_DEF_MTU
,i
>=MAX_FIDS
/2);
2914 if (setup_proc_entry(dev
, dev
->priv
) < 0)
2917 netif_start_queue(dev
);
2918 SET_MODULE_OWNER(dev
);
2922 unregister_netdev(ai
->wifidev
);
2923 free_netdev(ai
->wifidev
);
2925 unregister_netdev(dev
);
2927 if (test_bit(FLAG_MPI
,&ai
->flags
) && pci
) {
2928 pci_free_consistent(pci
, PCI_SHARED_LEN
, ai
->shared
, ai
->shared_dma
);
2929 iounmap(ai
->pciaux
);
2930 iounmap(ai
->pcimem
);
2931 mpi_unmap_card(ai
->pci
);
2935 release_region( dev
->base_addr
, 64 );
2937 free_irq(dev
->irq
, dev
);
2939 airo_networks_free(ai
);
2943 set_bit(JOB_DIE
, &ai
->jobs
);
2944 kthread_stop(ai
->airo_thread_task
);
2950 struct net_device
*init_airo_card( unsigned short irq
, int port
, int is_pcmcia
,
2951 struct device
*dmdev
)
2953 return _init_airo_card ( irq
, port
, is_pcmcia
, NULL
, dmdev
);
2956 EXPORT_SYMBOL(init_airo_card
);
2958 static int waitbusy (struct airo_info
*ai
) {
2960 while ((IN4500 (ai
, COMMAND
) & COMMAND_BUSY
) & (delay
< 10000)) {
2962 if ((++delay
% 20) == 0)
2963 OUT4500(ai
, EVACK
, EV_CLEARCOMMANDBUSY
);
2965 return delay
< 10000;
2968 int reset_airo_card( struct net_device
*dev
)
2971 struct airo_info
*ai
= dev
->priv
;
2973 if (reset_card (dev
, 1))
2976 if ( setup_card(ai
, dev
->dev_addr
, 1 ) != SUCCESS
) {
2977 airo_print_err(dev
->name
, "MAC could not be enabled");
2980 airo_print_info(dev
->name
, "MAC enabled %x:%x:%x:%x:%x:%x",
2981 dev
->dev_addr
[0], dev
->dev_addr
[1], dev
->dev_addr
[2],
2982 dev
->dev_addr
[3], dev
->dev_addr
[4], dev
->dev_addr
[5]);
2983 /* Allocate the transmit buffers if needed */
2984 if (!test_bit(FLAG_MPI
,&ai
->flags
))
2985 for( i
= 0; i
< MAX_FIDS
; i
++ )
2986 ai
->fids
[i
] = transmit_allocate (ai
,AIRO_DEF_MTU
,i
>=MAX_FIDS
/2);
2988 enable_interrupts( ai
);
2989 netif_wake_queue(dev
);
2993 EXPORT_SYMBOL(reset_airo_card
);
2995 static void airo_send_event(struct net_device
*dev
) {
2996 struct airo_info
*ai
= dev
->priv
;
2997 union iwreq_data wrqu
;
2998 StatusRid status_rid
;
3000 clear_bit(JOB_EVENT
, &ai
->jobs
);
3001 PC4500_readrid(ai
, RID_STATUS
, &status_rid
, sizeof(status_rid
), 0);
3003 wrqu
.data
.length
= 0;
3004 wrqu
.data
.flags
= 0;
3005 memcpy(wrqu
.ap_addr
.sa_data
, status_rid
.bssid
[0], ETH_ALEN
);
3006 wrqu
.ap_addr
.sa_family
= ARPHRD_ETHER
;
3008 /* Send event to user space */
3009 wireless_send_event(dev
, SIOCGIWAP
, &wrqu
, NULL
);
3012 static void airo_process_scan_results (struct airo_info
*ai
) {
3013 union iwreq_data wrqu
;
3016 BSSListElement
* loop_net
;
3017 BSSListElement
* tmp_net
;
3019 /* Blow away current list of scan results */
3020 list_for_each_entry_safe (loop_net
, tmp_net
, &ai
->network_list
, list
) {
3021 list_move_tail (&loop_net
->list
, &ai
->network_free_list
);
3022 /* Don't blow away ->list, just BSS data */
3023 memset (loop_net
, 0, sizeof (loop_net
->bss
));
3026 /* Try to read the first entry of the scan result */
3027 rc
= PC4500_readrid(ai
, ai
->bssListFirst
, &bss
, ai
->bssListRidLen
, 0);
3028 if((rc
) || (bss
.index
== 0xffff)) {
3029 /* No scan results */
3033 /* Read and parse all entries */
3035 while((!rc
) && (bss
.index
!= 0xffff)) {
3036 /* Grab a network off the free list */
3037 if (!list_empty(&ai
->network_free_list
)) {
3038 tmp_net
= list_entry(ai
->network_free_list
.next
,
3039 BSSListElement
, list
);
3040 list_del(ai
->network_free_list
.next
);
3043 if (tmp_net
!= NULL
) {
3044 memcpy(tmp_net
, &bss
, sizeof(tmp_net
->bss
));
3045 list_add_tail(&tmp_net
->list
, &ai
->network_list
);
3049 /* Read next entry */
3050 rc
= PC4500_readrid(ai
, ai
->bssListNext
,
3051 &bss
, ai
->bssListRidLen
, 0);
3055 ai
->scan_timeout
= 0;
3056 clear_bit(JOB_SCAN_RESULTS
, &ai
->jobs
);
3059 /* Send an empty event to user space.
3060 * We don't send the received data on
3061 * the event because it would require
3062 * us to do complex transcoding, and
3063 * we want to minimise the work done in
3064 * the irq handler. Use a request to
3065 * extract the data - Jean II */
3066 wrqu
.data
.length
= 0;
3067 wrqu
.data
.flags
= 0;
3068 wireless_send_event(ai
->dev
, SIOCGIWSCAN
, &wrqu
, NULL
);
3071 static int airo_thread(void *data
) {
3072 struct net_device
*dev
= data
;
3073 struct airo_info
*ai
= dev
->priv
;
3077 /* make swsusp happy with our thread */
3080 if (test_bit(JOB_DIE
, &ai
->jobs
))
3084 locked
= down_interruptible(&ai
->sem
);
3088 init_waitqueue_entry(&wait
, current
);
3089 add_wait_queue(&ai
->thr_wait
, &wait
);
3091 set_current_state(TASK_INTERRUPTIBLE
);
3094 if (ai
->expires
|| ai
->scan_timeout
) {
3095 if (ai
->scan_timeout
&&
3096 time_after_eq(jiffies
,ai
->scan_timeout
)){
3097 set_bit(JOB_SCAN_RESULTS
, &ai
->jobs
);
3099 } else if (ai
->expires
&&
3100 time_after_eq(jiffies
,ai
->expires
)){
3101 set_bit(JOB_AUTOWEP
, &ai
->jobs
);
3104 if (!kthread_should_stop() &&
3105 !freezing(current
)) {
3106 unsigned long wake_at
;
3107 if (!ai
->expires
|| !ai
->scan_timeout
) {
3108 wake_at
= max(ai
->expires
,
3111 wake_at
= min(ai
->expires
,
3114 schedule_timeout(wake_at
- jiffies
);
3117 } else if (!kthread_should_stop() &&
3118 !freezing(current
)) {
3124 current
->state
= TASK_RUNNING
;
3125 remove_wait_queue(&ai
->thr_wait
, &wait
);
3132 if (test_bit(JOB_DIE
, &ai
->jobs
)) {
3137 if (ai
->power
.event
|| test_bit(FLAG_FLASHING
, &ai
->flags
)) {
3142 if (test_bit(JOB_XMIT
, &ai
->jobs
))
3144 else if (test_bit(JOB_XMIT11
, &ai
->jobs
))
3145 airo_end_xmit11(dev
);
3146 else if (test_bit(JOB_STATS
, &ai
->jobs
))
3147 airo_read_stats(ai
);
3148 else if (test_bit(JOB_WSTATS
, &ai
->jobs
))
3149 airo_read_wireless_stats(ai
);
3150 else if (test_bit(JOB_PROMISC
, &ai
->jobs
))
3151 airo_set_promisc(ai
);
3152 else if (test_bit(JOB_MIC
, &ai
->jobs
))
3154 else if (test_bit(JOB_EVENT
, &ai
->jobs
))
3155 airo_send_event(dev
);
3156 else if (test_bit(JOB_AUTOWEP
, &ai
->jobs
))
3158 else if (test_bit(JOB_SCAN_RESULTS
, &ai
->jobs
))
3159 airo_process_scan_results(ai
);
3160 else /* Shouldn't get here, but we make sure to unlock */
3167 static irqreturn_t
airo_interrupt ( int irq
, void* dev_id
) {
3168 struct net_device
*dev
= (struct net_device
*)dev_id
;
3171 struct airo_info
*apriv
= dev
->priv
;
3172 u16 savedInterrupts
= 0;
3175 if (!netif_device_present(dev
))
3179 status
= IN4500( apriv
, EVSTAT
);
3180 if ( !(status
& STATUS_INTS
) || status
== 0xffff ) break;
3184 if ( status
& EV_AWAKE
) {
3185 OUT4500( apriv
, EVACK
, EV_AWAKE
);
3186 OUT4500( apriv
, EVACK
, EV_AWAKE
);
3189 if (!savedInterrupts
) {
3190 savedInterrupts
= IN4500( apriv
, EVINTEN
);
3191 OUT4500( apriv
, EVINTEN
, 0 );
3194 if ( status
& EV_MIC
) {
3195 OUT4500( apriv
, EVACK
, EV_MIC
);
3196 if (test_bit(FLAG_MIC_CAPABLE
, &apriv
->flags
)) {
3197 set_bit(JOB_MIC
, &apriv
->jobs
);
3198 wake_up_interruptible(&apriv
->thr_wait
);
3201 if ( status
& EV_LINK
) {
3202 union iwreq_data wrqu
;
3203 int scan_forceloss
= 0;
3204 /* The link status has changed, if you want to put a
3205 monitor hook in, do it here. (Remember that
3206 interrupts are still disabled!)
3208 u16 newStatus
= IN4500(apriv
, LINKSTAT
);
3209 OUT4500( apriv
, EVACK
, EV_LINK
);
3210 /* Here is what newStatus means: */
3211 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3212 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3213 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3214 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3215 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3216 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3217 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3218 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3220 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3222 #define ASSOCIATED 0x0400 /* Associated */
3223 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3224 #define RC_RESERVED 0 /* Reserved return code */
3225 #define RC_NOREASON 1 /* Unspecified reason */
3226 #define RC_AUTHINV 2 /* Previous authentication invalid */
3227 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3229 #define RC_NOACT 4 /* Disassociated due to inactivity */
3230 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3231 all currently associated stations */
3232 #define RC_BADCLASS2 6 /* Class 2 frame received from
3233 non-Authenticated station */
3234 #define RC_BADCLASS3 7 /* Class 3 frame received from
3235 non-Associated station */
3236 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3238 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3239 Authenticated with the responding station */
3240 if (newStatus
== FORCELOSS
&& apriv
->scan_timeout
> 0)
3242 if(newStatus
== ASSOCIATED
|| newStatus
== REASSOCIATED
) {
3245 if (apriv
->list_bss_task
)
3246 wake_up_process(apriv
->list_bss_task
);
3247 set_bit(FLAG_UPDATE_UNI
, &apriv
->flags
);
3248 set_bit(FLAG_UPDATE_MULTI
, &apriv
->flags
);
3250 if (down_trylock(&apriv
->sem
) != 0) {
3251 set_bit(JOB_EVENT
, &apriv
->jobs
);
3252 wake_up_interruptible(&apriv
->thr_wait
);
3254 airo_send_event(dev
);
3255 } else if (!scan_forceloss
) {
3256 if (auto_wep
&& !apriv
->expires
) {
3257 apriv
->expires
= RUN_AT(3*HZ
);
3258 wake_up_interruptible(&apriv
->thr_wait
);
3261 /* Send event to user space */
3262 memset(wrqu
.ap_addr
.sa_data
, '\0', ETH_ALEN
);
3263 wrqu
.ap_addr
.sa_family
= ARPHRD_ETHER
;
3264 wireless_send_event(dev
, SIOCGIWAP
, &wrqu
,NULL
);
3268 /* Check to see if there is something to receive */
3269 if ( status
& EV_RX
) {
3270 struct sk_buff
*skb
= NULL
;
3271 u16 fc
, len
, hdrlen
= 0;
3285 if (test_bit(FLAG_MPI
,&apriv
->flags
)) {
3286 if (test_bit(FLAG_802_11
, &apriv
->flags
))
3287 mpi_receive_802_11(apriv
);
3289 mpi_receive_802_3(apriv
);
3290 OUT4500(apriv
, EVACK
, EV_RX
);
3294 fid
= IN4500( apriv
, RXFID
);
3296 /* Get the packet length */
3297 if (test_bit(FLAG_802_11
, &apriv
->flags
)) {
3298 bap_setup (apriv
, fid
, 4, BAP0
);
3299 bap_read (apriv
, (u16
*)&hdr
, sizeof(hdr
), BAP0
);
3300 /* Bad CRC. Ignore packet */
3301 if (le16_to_cpu(hdr
.status
) & 2)
3303 if (apriv
->wifidev
== NULL
)
3306 bap_setup (apriv
, fid
, 0x36, BAP0
);
3307 bap_read (apriv
, (u16
*)&hdr
.len
, 2, BAP0
);
3309 len
= le16_to_cpu(hdr
.len
);
3311 if (len
> AIRO_DEF_MTU
) {
3312 airo_print_err(apriv
->dev
->name
, "Bad size %d", len
);
3318 if (test_bit(FLAG_802_11
, &apriv
->flags
)) {
3319 bap_read (apriv
, (u16
*)&fc
, sizeof(fc
), BAP0
);
3320 fc
= le16_to_cpu(fc
);
3323 if ((fc
& 0xe0) == 0xc0)
3329 if ((fc
&0x300)==0x300){
3337 hdrlen
= ETH_ALEN
* 2;
3339 skb
= dev_alloc_skb( len
+ hdrlen
+ 2 + 2 );
3341 apriv
->stats
.rx_dropped
++;
3344 skb_reserve(skb
, 2); /* This way the IP header is aligned */
3345 buffer
= (u16
*)skb_put (skb
, len
+ hdrlen
);
3346 if (test_bit(FLAG_802_11
, &apriv
->flags
)) {
3348 bap_read (apriv
, buffer
+ 1, hdrlen
- 2, BAP0
);
3350 bap_read (apriv
, tmpbuf
, 6, BAP0
);
3352 bap_read (apriv
, &gap
, sizeof(gap
), BAP0
);
3353 gap
= le16_to_cpu(gap
);
3356 bap_read (apriv
, tmpbuf
, gap
, BAP0
);
3358 airo_print_err(apriv
->dev
->name
, "gaplen too "
3359 "big. Problems will follow...");
3362 bap_read (apriv
, buffer
+ hdrlen
/2, len
, BAP0
);
3365 bap_read (apriv
, buffer
, ETH_ALEN
*2, BAP0
);
3366 if (apriv
->micstats
.enabled
) {
3367 bap_read (apriv
,(u16
*)&micbuf
,sizeof(micbuf
),BAP0
);
3368 if (ntohs(micbuf
.typelen
) > 0x05DC)
3369 bap_setup (apriv
, fid
, 0x44, BAP0
);
3371 if (len
<= sizeof(micbuf
))
3374 len
-= sizeof(micbuf
);
3375 skb_trim (skb
, len
+ hdrlen
);
3378 bap_read(apriv
,buffer
+ETH_ALEN
,len
,BAP0
);
3379 if (decapsulate(apriv
,&micbuf
,(etherHead
*)buffer
,len
)) {
3381 dev_kfree_skb_irq (skb
);
3383 OUT4500( apriv
, EVACK
, EV_RX
);
3388 if (apriv
->spy_data
.spy_number
> 0) {
3390 struct iw_quality wstats
;
3391 /* Prepare spy data : addr + qual */
3392 if (!test_bit(FLAG_802_11
, &apriv
->flags
)) {
3393 sa
= (char*)buffer
+ 6;
3394 bap_setup (apriv
, fid
, 8, BAP0
);
3395 bap_read (apriv
, (u16
*)hdr
.rssi
, 2, BAP0
);
3397 sa
= (char*)buffer
+ 10;
3398 wstats
.qual
= hdr
.rssi
[0];
3400 wstats
.level
= 0x100 - apriv
->rssi
[hdr
.rssi
[1]].rssidBm
;
3402 wstats
.level
= (hdr
.rssi
[1] + 321) / 2;
3403 wstats
.noise
= apriv
->wstats
.qual
.noise
;
3404 wstats
.updated
= IW_QUAL_LEVEL_UPDATED
3405 | IW_QUAL_QUAL_UPDATED
3407 /* Update spy records */
3408 wireless_spy_update(dev
, sa
, &wstats
);
3410 #endif /* WIRELESS_SPY */
3411 OUT4500( apriv
, EVACK
, EV_RX
);
3413 if (test_bit(FLAG_802_11
, &apriv
->flags
)) {
3414 skb_reset_mac_header(skb
);
3415 skb
->pkt_type
= PACKET_OTHERHOST
;
3416 skb
->dev
= apriv
->wifidev
;
3417 skb
->protocol
= htons(ETH_P_802_2
);
3419 skb
->protocol
= eth_type_trans(skb
,dev
);
3420 skb
->dev
->last_rx
= jiffies
;
3421 skb
->ip_summed
= CHECKSUM_NONE
;
3427 /* Check to see if a packet has been transmitted */
3428 if ( status
& ( EV_TX
|EV_TXCPY
|EV_TXEXC
) ) {
3433 if (test_bit(FLAG_MPI
,&apriv
->flags
)) {
3434 unsigned long flags
;
3436 if (status
& EV_TXEXC
)
3437 get_tx_error(apriv
, -1);
3438 spin_lock_irqsave(&apriv
->aux_lock
, flags
);
3439 if (!skb_queue_empty(&apriv
->txq
)) {
3440 spin_unlock_irqrestore(&apriv
->aux_lock
,flags
);
3441 mpi_send_packet (dev
);
3443 clear_bit(FLAG_PENDING_XMIT
, &apriv
->flags
);
3444 spin_unlock_irqrestore(&apriv
->aux_lock
,flags
);
3445 netif_wake_queue (dev
);
3447 OUT4500( apriv
, EVACK
,
3448 status
& (EV_TX
|EV_TXCPY
|EV_TXEXC
));
3452 fid
= IN4500(apriv
, TXCOMPLFID
);
3454 for( i
= 0; i
< MAX_FIDS
; i
++ ) {
3455 if ( ( apriv
->fids
[i
] & 0xffff ) == fid
) {
3456 len
= apriv
->fids
[i
] >> 16;
3461 if (status
& EV_TXEXC
)
3462 get_tx_error(apriv
, index
);
3463 OUT4500( apriv
, EVACK
, status
& (EV_TX
| EV_TXEXC
));
3464 /* Set up to be used again */
3465 apriv
->fids
[index
] &= 0xffff;
3466 if (index
< MAX_FIDS
/ 2) {
3467 if (!test_bit(FLAG_PENDING_XMIT
, &apriv
->flags
))
3468 netif_wake_queue(dev
);
3470 if (!test_bit(FLAG_PENDING_XMIT11
, &apriv
->flags
))
3471 netif_wake_queue(apriv
->wifidev
);
3474 OUT4500( apriv
, EVACK
, status
& (EV_TX
| EV_TXCPY
| EV_TXEXC
));
3475 airo_print_err(apriv
->dev
->name
, "Unallocated FID was "
3480 if ( status
& ~STATUS_INTS
& ~IGNORE_INTS
)
3481 airo_print_warn(apriv
->dev
->name
, "Got weird status %x",
3482 status
& ~STATUS_INTS
& ~IGNORE_INTS
);
3485 if (savedInterrupts
)
3486 OUT4500( apriv
, EVINTEN
, savedInterrupts
);
3489 return IRQ_RETVAL(handled
);
3493 * Routines to talk to the card
3497 * This was originally written for the 4500, hence the name
3498 * NOTE: If use with 8bit mode and SMP bad things will happen!
3499 * Why would some one do 8 bit IO in an SMP machine?!?
3501 static void OUT4500( struct airo_info
*ai
, u16 reg
, u16 val
) {
3502 if (test_bit(FLAG_MPI
,&ai
->flags
))
3505 outw( val
, ai
->dev
->base_addr
+ reg
);
3507 outb( val
& 0xff, ai
->dev
->base_addr
+ reg
);
3508 outb( val
>> 8, ai
->dev
->base_addr
+ reg
+ 1 );
3512 static u16
IN4500( struct airo_info
*ai
, u16 reg
) {
3515 if (test_bit(FLAG_MPI
,&ai
->flags
))
3518 rc
= inw( ai
->dev
->base_addr
+ reg
);
3520 rc
= inb( ai
->dev
->base_addr
+ reg
);
3521 rc
+= ((int)inb( ai
->dev
->base_addr
+ reg
+ 1 )) << 8;
3526 static int enable_MAC( struct airo_info
*ai
, Resp
*rsp
, int lock
) {
3530 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3531 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3532 * Note : we could try to use !netif_running(dev) in enable_MAC()
3533 * instead of this flag, but I don't trust it *within* the
3534 * open/close functions, and testing both flags together is
3535 * "cheaper" - Jean II */
3536 if (ai
->flags
& FLAG_RADIO_MASK
) return SUCCESS
;
3538 if (lock
&& down_interruptible(&ai
->sem
))
3539 return -ERESTARTSYS
;
3541 if (!test_bit(FLAG_ENABLED
, &ai
->flags
)) {
3542 memset(&cmd
, 0, sizeof(cmd
));
3543 cmd
.cmd
= MAC_ENABLE
;
3544 rc
= issuecommand(ai
, &cmd
, rsp
);
3546 set_bit(FLAG_ENABLED
, &ai
->flags
);
3554 airo_print_err(ai
->dev
->name
, "%s: Cannot enable MAC, err=%d",
3559 static void disable_MAC( struct airo_info
*ai
, int lock
) {
3563 if (lock
&& down_interruptible(&ai
->sem
))
3566 if (test_bit(FLAG_ENABLED
, &ai
->flags
)) {
3567 memset(&cmd
, 0, sizeof(cmd
));
3568 cmd
.cmd
= MAC_DISABLE
; // disable in case already enabled
3569 issuecommand(ai
, &cmd
, &rsp
);
3570 clear_bit(FLAG_ENABLED
, &ai
->flags
);
3576 static void enable_interrupts( struct airo_info
*ai
) {
3577 /* Enable the interrupts */
3578 OUT4500( ai
, EVINTEN
, STATUS_INTS
);
3581 static void disable_interrupts( struct airo_info
*ai
) {
3582 OUT4500( ai
, EVINTEN
, 0 );
3585 static void mpi_receive_802_3(struct airo_info
*ai
)
3589 struct sk_buff
*skb
;
3594 memcpy_fromio(&rxd
, ai
->rxfids
[0].card_ram_off
, sizeof(rxd
));
3595 /* Make sure we got something */
3596 if (rxd
.rdy
&& rxd
.valid
== 0) {
3598 if (len
< 12 || len
> 2048)
3601 skb
= dev_alloc_skb(len
);
3603 ai
->stats
.rx_dropped
++;
3606 buffer
= skb_put(skb
,len
);
3607 memcpy(buffer
, ai
->rxfids
[0].virtual_host_addr
, ETH_ALEN
* 2);
3608 if (ai
->micstats
.enabled
) {
3610 ai
->rxfids
[0].virtual_host_addr
+ ETH_ALEN
* 2,
3612 if (ntohs(micbuf
.typelen
) <= 0x05DC) {
3613 if (len
<= sizeof(micbuf
) + ETH_ALEN
* 2)
3616 off
= sizeof(micbuf
);
3617 skb_trim (skb
, len
- off
);
3620 memcpy(buffer
+ ETH_ALEN
* 2,
3621 ai
->rxfids
[0].virtual_host_addr
+ ETH_ALEN
* 2 + off
,
3622 len
- ETH_ALEN
* 2 - off
);
3623 if (decapsulate (ai
, &micbuf
, (etherHead
*)buffer
, len
- off
- ETH_ALEN
* 2)) {
3625 dev_kfree_skb_irq (skb
);
3629 if (ai
->spy_data
.spy_number
> 0) {
3631 struct iw_quality wstats
;
3632 /* Prepare spy data : addr + qual */
3633 sa
= buffer
+ ETH_ALEN
;
3634 wstats
.qual
= 0; /* XXX Where do I get that info from ??? */
3637 /* Update spy records */
3638 wireless_spy_update(ai
->dev
, sa
, &wstats
);
3640 #endif /* WIRELESS_SPY */
3642 skb
->ip_summed
= CHECKSUM_NONE
;
3643 skb
->protocol
= eth_type_trans(skb
, ai
->dev
);
3644 skb
->dev
->last_rx
= jiffies
;
3648 if (rxd
.valid
== 0) {
3652 memcpy_toio(ai
->rxfids
[0].card_ram_off
, &rxd
, sizeof(rxd
));
3656 void mpi_receive_802_11 (struct airo_info
*ai
)
3659 struct sk_buff
*skb
= NULL
;
3660 u16 fc
, len
, hdrlen
= 0;
3672 char *ptr
= ai
->rxfids
[0].virtual_host_addr
+4;
3674 memcpy_fromio(&rxd
, ai
->rxfids
[0].card_ram_off
, sizeof(rxd
));
3675 memcpy ((char *)&hdr
, ptr
, sizeof(hdr
));
3677 /* Bad CRC. Ignore packet */
3678 if (le16_to_cpu(hdr
.status
) & 2)
3680 if (ai
->wifidev
== NULL
)
3682 len
= le16_to_cpu(hdr
.len
);
3683 if (len
> AIRO_DEF_MTU
) {
3684 airo_print_err(ai
->dev
->name
, "Bad size %d", len
);
3690 memcpy ((char *)&fc
, ptr
, sizeof(fc
));
3691 fc
= le16_to_cpu(fc
);
3694 if ((fc
& 0xe0) == 0xc0)
3700 if ((fc
&0x300)==0x300){
3708 skb
= dev_alloc_skb( len
+ hdrlen
+ 2 );
3710 ai
->stats
.rx_dropped
++;
3713 buffer
= (u16
*)skb_put (skb
, len
+ hdrlen
);
3714 memcpy ((char *)buffer
, ptr
, hdrlen
);
3718 memcpy ((char *)&gap
, ptr
, sizeof(gap
));
3720 gap
= le16_to_cpu(gap
);
3725 airo_print_err(ai
->dev
->name
,
3726 "gaplen too big. Problems will follow...");
3728 memcpy ((char *)buffer
+ hdrlen
, ptr
, len
);
3730 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3731 if (ai
->spy_data
.spy_number
> 0) {
3733 struct iw_quality wstats
;
3734 /* Prepare spy data : addr + qual */
3735 sa
= (char*)buffer
+ 10;
3736 wstats
.qual
= hdr
.rssi
[0];
3738 wstats
.level
= 0x100 - ai
->rssi
[hdr
.rssi
[1]].rssidBm
;
3740 wstats
.level
= (hdr
.rssi
[1] + 321) / 2;
3741 wstats
.noise
= ai
->wstats
.qual
.noise
;
3742 wstats
.updated
= IW_QUAL_QUAL_UPDATED
3743 | IW_QUAL_LEVEL_UPDATED
3745 /* Update spy records */
3746 wireless_spy_update(ai
->dev
, sa
, &wstats
);
3748 #endif /* IW_WIRELESS_SPY */
3749 skb_reset_mac_header(skb
);
3750 skb
->pkt_type
= PACKET_OTHERHOST
;
3751 skb
->dev
= ai
->wifidev
;
3752 skb
->protocol
= htons(ETH_P_802_2
);
3753 skb
->dev
->last_rx
= jiffies
;
3754 skb
->ip_summed
= CHECKSUM_NONE
;
3757 if (rxd
.valid
== 0) {
3761 memcpy_toio(ai
->rxfids
[0].card_ram_off
, &rxd
, sizeof(rxd
));
3765 static u16
setup_card(struct airo_info
*ai
, u8
*mac
, int lock
)
3776 memset( &mySsid
, 0, sizeof( mySsid
) );
3780 /* The NOP is the first step in getting the card going */
3782 cmd
.parm0
= cmd
.parm1
= cmd
.parm2
= 0;
3783 if (lock
&& down_interruptible(&ai
->sem
))
3785 if ( issuecommand( ai
, &cmd
, &rsp
) != SUCCESS
) {
3790 disable_MAC( ai
, 0);
3792 // Let's figure out if we need to use the AUX port
3793 if (!test_bit(FLAG_MPI
,&ai
->flags
)) {
3794 cmd
.cmd
= CMD_ENABLEAUX
;
3795 if (issuecommand(ai
, &cmd
, &rsp
) != SUCCESS
) {
3798 airo_print_err(ai
->dev
->name
, "Error checking for AUX port");
3801 if (!aux_bap
|| rsp
.status
& 0xff00) {
3802 ai
->bap_read
= fast_bap_read
;
3803 airo_print_dbg(ai
->dev
->name
, "Doing fast bap_reads");
3805 ai
->bap_read
= aux_bap_read
;
3806 airo_print_dbg(ai
->dev
->name
, "Doing AUX bap_reads");
3811 if (ai
->config
.len
== 0) {
3812 tdsRssiRid rssi_rid
;
3813 CapabilityRid cap_rid
;
3819 // general configuration (read/modify/write)
3820 status
= readConfigRid(ai
, lock
);
3821 if ( status
!= SUCCESS
) return ERROR
;
3823 status
= readCapabilityRid(ai
, &cap_rid
, lock
);
3824 if ( status
!= SUCCESS
) return ERROR
;
3826 status
= PC4500_readrid(ai
,RID_RSSI
,&rssi_rid
,sizeof(rssi_rid
),lock
);
3827 if ( status
== SUCCESS
) {
3828 if (ai
->rssi
|| (ai
->rssi
= kmalloc(512, GFP_KERNEL
)) != NULL
)
3829 memcpy(ai
->rssi
, (u8
*)&rssi_rid
+ 2, 512); /* Skip RID length member */
3834 if (cap_rid
.softCap
& 8)
3835 ai
->config
.rmode
|= RXMODE_NORMALIZED_RSSI
;
3837 airo_print_warn(ai
->dev
->name
, "unknown received signal "
3840 ai
->config
.opmode
= adhoc
? MODE_STA_IBSS
: MODE_STA_ESS
;
3841 ai
->config
.authType
= AUTH_OPEN
;
3842 ai
->config
.modulation
= MOD_CCK
;
3844 if ((cap_rid
.len
>=sizeof(cap_rid
)) && (cap_rid
.extSoftCap
&1) &&
3845 (micsetup(ai
) == SUCCESS
)) {
3846 ai
->config
.opmode
|= MODE_MIC
;
3847 set_bit(FLAG_MIC_CAPABLE
, &ai
->flags
);
3850 /* Save off the MAC */
3851 for( i
= 0; i
< ETH_ALEN
; i
++ ) {
3852 mac
[i
] = ai
->config
.macAddr
[i
];
3855 /* Check to see if there are any insmod configured
3859 memset(ai
->config
.rates
,0,sizeof(ai
->config
.rates
));
3860 for( i
= 0; i
< 8 && rates
[i
]; i
++ ) {
3861 ai
->config
.rates
[i
] = rates
[i
];
3864 if ( basic_rate
> 0 ) {
3866 for( i
= 0; i
< 8; i
++ ) {
3867 if ( ai
->config
.rates
[i
] == basic_rate
||
3868 !ai
->config
.rates
) {
3869 ai
->config
.rates
[i
] = basic_rate
| 0x80;
3874 set_bit (FLAG_COMMIT
, &ai
->flags
);
3877 /* Setup the SSIDs if present */
3880 for( i
= 0; i
< 3 && ssids
[i
]; i
++ ) {
3881 mySsid
.ssids
[i
].len
= strlen(ssids
[i
]);
3882 if ( mySsid
.ssids
[i
].len
> 32 )
3883 mySsid
.ssids
[i
].len
= 32;
3884 memcpy(mySsid
.ssids
[i
].ssid
, ssids
[i
],
3885 mySsid
.ssids
[i
].len
);
3887 mySsid
.len
= sizeof(mySsid
);
3890 status
= writeConfigRid(ai
, lock
);
3891 if ( status
!= SUCCESS
) return ERROR
;
3893 /* Set up the SSID list */
3895 status
= writeSsidRid(ai
, &mySsid
, lock
);
3896 if ( status
!= SUCCESS
) return ERROR
;
3899 status
= enable_MAC(ai
, &rsp
, lock
);
3900 if ( status
!= SUCCESS
|| (rsp
.status
& 0xFF00) != 0) {
3901 airo_print_err(ai
->dev
->name
, "Bad MAC enable reason = %x, rid = %x,"
3902 " offset = %d", rsp
.rsp0
, rsp
.rsp1
, rsp
.rsp2
);
3906 /* Grab the initial wep key, we gotta save it for auto_wep */
3907 rc
= readWepKeyRid(ai
, &wkr
, 1, lock
);
3908 if (rc
== SUCCESS
) do {
3909 lastindex
= wkr
.kindex
;
3910 if (wkr
.kindex
== 0xffff) {
3911 ai
->defindex
= wkr
.mac
[0];
3913 rc
= readWepKeyRid(ai
, &wkr
, 0, lock
);
3914 } while(lastindex
!= wkr
.kindex
);
3917 ai
->expires
= RUN_AT(3*HZ
);
3918 wake_up_interruptible(&ai
->thr_wait
);
3924 static u16
issuecommand(struct airo_info
*ai
, Cmd
*pCmd
, Resp
*pRsp
) {
3925 // Im really paranoid about letting it run forever!
3926 int max_tries
= 600000;
3928 if (IN4500(ai
, EVSTAT
) & EV_CMD
)
3929 OUT4500(ai
, EVACK
, EV_CMD
);
3931 OUT4500(ai
, PARAM0
, pCmd
->parm0
);
3932 OUT4500(ai
, PARAM1
, pCmd
->parm1
);
3933 OUT4500(ai
, PARAM2
, pCmd
->parm2
);
3934 OUT4500(ai
, COMMAND
, pCmd
->cmd
);
3936 while (max_tries
-- && (IN4500(ai
, EVSTAT
) & EV_CMD
) == 0) {
3937 if ((IN4500(ai
, COMMAND
)) == pCmd
->cmd
)
3938 // PC4500 didn't notice command, try again
3939 OUT4500(ai
, COMMAND
, pCmd
->cmd
);
3940 if (!in_atomic() && (max_tries
& 255) == 0)
3944 if ( max_tries
== -1 ) {
3945 airo_print_err(ai
->dev
->name
,
3946 "Max tries exceeded when issueing command");
3947 if (IN4500(ai
, COMMAND
) & COMMAND_BUSY
)
3948 OUT4500(ai
, EVACK
, EV_CLEARCOMMANDBUSY
);
3952 // command completed
3953 pRsp
->status
= IN4500(ai
, STATUS
);
3954 pRsp
->rsp0
= IN4500(ai
, RESP0
);
3955 pRsp
->rsp1
= IN4500(ai
, RESP1
);
3956 pRsp
->rsp2
= IN4500(ai
, RESP2
);
3957 if ((pRsp
->status
& 0xff00)!=0 && pCmd
->cmd
!= CMD_SOFTRESET
)
3958 airo_print_err(ai
->dev
->name
,
3959 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3960 pCmd
->cmd
, pRsp
->status
, pRsp
->rsp0
, pRsp
->rsp1
,
3963 // clear stuck command busy if necessary
3964 if (IN4500(ai
, COMMAND
) & COMMAND_BUSY
) {
3965 OUT4500(ai
, EVACK
, EV_CLEARCOMMANDBUSY
);
3967 // acknowledge processing the status/response
3968 OUT4500(ai
, EVACK
, EV_CMD
);
3973 /* Sets up the bap to start exchange data. whichbap should
3974 * be one of the BAP0 or BAP1 defines. Locks should be held before
3976 static int bap_setup(struct airo_info
*ai
, u16 rid
, u16 offset
, int whichbap
)
3981 OUT4500(ai
, SELECT0
+whichbap
, rid
);
3982 OUT4500(ai
, OFFSET0
+whichbap
, offset
);
3984 int status
= IN4500(ai
, OFFSET0
+whichbap
);
3985 if (status
& BAP_BUSY
) {
3986 /* This isn't really a timeout, but its kinda
3991 } else if ( status
& BAP_ERR
) {
3992 /* invalid rid or offset */
3993 airo_print_err(ai
->dev
->name
, "BAP error %x %d",
3996 } else if (status
& BAP_DONE
) { // success
3999 if ( !(max_tries
--) ) {
4000 airo_print_err(ai
->dev
->name
,
4001 "airo: BAP setup error too many retries\n");
4004 // -- PC4500 missed it, try again
4005 OUT4500(ai
, SELECT0
+whichbap
, rid
);
4006 OUT4500(ai
, OFFSET0
+whichbap
, offset
);
4011 /* should only be called by aux_bap_read. This aux function and the
4012 following use concepts not documented in the developers guide. I
4013 got them from a patch given to my by Aironet */
4014 static u16
aux_setup(struct airo_info
*ai
, u16 page
,
4015 u16 offset
, u16
*len
)
4019 OUT4500(ai
, AUXPAGE
, page
);
4020 OUT4500(ai
, AUXOFF
, 0);
4021 next
= IN4500(ai
, AUXDATA
);
4022 *len
= IN4500(ai
, AUXDATA
)&0xff;
4023 if (offset
!= 4) OUT4500(ai
, AUXOFF
, offset
);
4027 /* requires call to bap_setup() first */
4028 static int aux_bap_read(struct airo_info
*ai
, u16
*pu16Dst
,
4029 int bytelen
, int whichbap
)
4037 unsigned long flags
;
4039 spin_lock_irqsave(&ai
->aux_lock
, flags
);
4040 page
= IN4500(ai
, SWS0
+whichbap
);
4041 offset
= IN4500(ai
, SWS2
+whichbap
);
4042 next
= aux_setup(ai
, page
, offset
, &len
);
4043 words
= (bytelen
+1)>>1;
4045 for (i
=0; i
<words
;) {
4047 count
= (len
>>1) < (words
-i
) ? (len
>>1) : (words
-i
);
4049 insw( ai
->dev
->base_addr
+DATA0
+whichbap
,
4052 insb( ai
->dev
->base_addr
+DATA0
+whichbap
,
4053 pu16Dst
+i
, count
<< 1 );
4056 next
= aux_setup(ai
, next
, 4, &len
);
4059 spin_unlock_irqrestore(&ai
->aux_lock
, flags
);
4064 /* requires call to bap_setup() first */
4065 static int fast_bap_read(struct airo_info
*ai
, u16
*pu16Dst
,
4066 int bytelen
, int whichbap
)
4068 bytelen
= (bytelen
+ 1) & (~1); // round up to even value
4070 insw( ai
->dev
->base_addr
+DATA0
+whichbap
, pu16Dst
, bytelen
>>1 );
4072 insb( ai
->dev
->base_addr
+DATA0
+whichbap
, pu16Dst
, bytelen
);
4076 /* requires call to bap_setup() first */
4077 static int bap_write(struct airo_info
*ai
, const u16
*pu16Src
,
4078 int bytelen
, int whichbap
)
4080 bytelen
= (bytelen
+ 1) & (~1); // round up to even value
4082 outsw( ai
->dev
->base_addr
+DATA0
+whichbap
,
4083 pu16Src
, bytelen
>>1 );
4085 outsb( ai
->dev
->base_addr
+DATA0
+whichbap
, pu16Src
, bytelen
);
4089 static int PC4500_accessrid(struct airo_info
*ai
, u16 rid
, u16 accmd
)
4091 Cmd cmd
; /* for issuing commands */
4092 Resp rsp
; /* response from commands */
4095 memset(&cmd
, 0, sizeof(cmd
));
4098 status
= issuecommand(ai
, &cmd
, &rsp
);
4099 if (status
!= 0) return status
;
4100 if ( (rsp
.status
& 0x7F00) != 0) {
4101 return (accmd
<< 8) + (rsp
.rsp0
& 0xFF);
4106 /* Note, that we are using BAP1 which is also used by transmit, so
4107 * we must get a lock. */
4108 static int PC4500_readrid(struct airo_info
*ai
, u16 rid
, void *pBuf
, int len
, int lock
)
4114 if (down_interruptible(&ai
->sem
))
4117 if (test_bit(FLAG_MPI
,&ai
->flags
)) {
4121 memset(&cmd
, 0, sizeof(cmd
));
4122 memset(&rsp
, 0, sizeof(rsp
));
4123 ai
->config_desc
.rid_desc
.valid
= 1;
4124 ai
->config_desc
.rid_desc
.len
= RIDSIZE
;
4125 ai
->config_desc
.rid_desc
.rid
= 0;
4126 ai
->config_desc
.rid_desc
.host_addr
= ai
->ridbus
;
4128 cmd
.cmd
= CMD_ACCESS
;
4131 memcpy_toio(ai
->config_desc
.card_ram_off
,
4132 &ai
->config_desc
.rid_desc
, sizeof(Rid
));
4134 rc
= issuecommand(ai
, &cmd
, &rsp
);
4136 if (rsp
.status
& 0x7f00)
4139 memcpy(pBuf
, ai
->config_desc
.virtual_host_addr
, len
);
4142 if ((status
= PC4500_accessrid(ai
, rid
, CMD_ACCESS
))!=SUCCESS
) {
4146 if (bap_setup(ai
, rid
, 0, BAP1
) != SUCCESS
) {
4150 // read the rid length field
4151 bap_read(ai
, pBuf
, 2, BAP1
);
4152 // length for remaining part of rid
4153 len
= min(len
, (int)le16_to_cpu(*(u16
*)pBuf
)) - 2;
4156 airo_print_err(ai
->dev
->name
,
4157 "Rid %x has a length of %d which is too short",
4158 (int)rid
, (int)len
);
4162 // read remainder of the rid
4163 rc
= bap_read(ai
, ((u16
*)pBuf
)+1, len
, BAP1
);
4171 /* Note, that we are using BAP1 which is also used by transmit, so
4172 * make sure this isnt called when a transmit is happening */
4173 static int PC4500_writerid(struct airo_info
*ai
, u16 rid
,
4174 const void *pBuf
, int len
, int lock
)
4179 *(u16
*)pBuf
= cpu_to_le16((u16
)len
);
4182 if (down_interruptible(&ai
->sem
))
4185 if (test_bit(FLAG_MPI
,&ai
->flags
)) {
4189 if (test_bit(FLAG_ENABLED
, &ai
->flags
) && (RID_WEP_TEMP
!= rid
))
4190 airo_print_err(ai
->dev
->name
,
4191 "%s: MAC should be disabled (rid=%04x)",
4193 memset(&cmd
, 0, sizeof(cmd
));
4194 memset(&rsp
, 0, sizeof(rsp
));
4196 ai
->config_desc
.rid_desc
.valid
= 1;
4197 ai
->config_desc
.rid_desc
.len
= *((u16
*)pBuf
);
4198 ai
->config_desc
.rid_desc
.rid
= 0;
4200 cmd
.cmd
= CMD_WRITERID
;
4203 memcpy_toio(ai
->config_desc
.card_ram_off
,
4204 &ai
->config_desc
.rid_desc
, sizeof(Rid
));
4206 if (len
< 4 || len
> 2047) {
4207 airo_print_err(ai
->dev
->name
, "%s: len=%d", __FUNCTION__
, len
);
4210 memcpy((char *)ai
->config_desc
.virtual_host_addr
,
4213 rc
= issuecommand(ai
, &cmd
, &rsp
);
4214 if ((rc
& 0xff00) != 0) {
4215 airo_print_err(ai
->dev
->name
, "%s: Write rid Error %d",
4217 airo_print_err(ai
->dev
->name
, "%s: Cmd=%04x",
4218 __FUNCTION__
, cmd
.cmd
);
4221 if ((rsp
.status
& 0x7f00))
4225 // --- first access so that we can write the rid data
4226 if ( (status
= PC4500_accessrid(ai
, rid
, CMD_ACCESS
)) != 0) {
4230 // --- now write the rid data
4231 if (bap_setup(ai
, rid
, 0, BAP1
) != SUCCESS
) {
4235 bap_write(ai
, pBuf
, len
, BAP1
);
4236 // ---now commit the rid data
4237 rc
= PC4500_accessrid(ai
, rid
, 0x100|CMD_ACCESS
);
4245 /* Allocates a FID to be used for transmitting packets. We only use
4247 static u16
transmit_allocate(struct airo_info
*ai
, int lenPayload
, int raw
)
4249 unsigned int loop
= 3000;
4255 cmd
.cmd
= CMD_ALLOCATETX
;
4256 cmd
.parm0
= lenPayload
;
4257 if (down_interruptible(&ai
->sem
))
4259 if (issuecommand(ai
, &cmd
, &rsp
) != SUCCESS
) {
4263 if ( (rsp
.status
& 0xFF00) != 0) {
4267 /* wait for the allocate event/indication
4268 * It makes me kind of nervous that this can just sit here and spin,
4269 * but in practice it only loops like four times. */
4270 while (((IN4500(ai
, EVSTAT
) & EV_ALLOC
) == 0) && --loop
);
4276 // get the allocated fid and acknowledge
4277 txFid
= IN4500(ai
, TXALLOCFID
);
4278 OUT4500(ai
, EVACK
, EV_ALLOC
);
4280 /* The CARD is pretty cool since it converts the ethernet packet
4281 * into 802.11. Also note that we don't release the FID since we
4282 * will be using the same one over and over again. */
4283 /* We only have to setup the control once since we are not
4284 * releasing the fid. */
4286 txControl
= cpu_to_le16(TXCTL_TXOK
| TXCTL_TXEX
| TXCTL_802_11
4287 | TXCTL_ETHERNET
| TXCTL_NORELEASE
);
4289 txControl
= cpu_to_le16(TXCTL_TXOK
| TXCTL_TXEX
| TXCTL_802_3
4290 | TXCTL_ETHERNET
| TXCTL_NORELEASE
);
4291 if (bap_setup(ai
, txFid
, 0x0008, BAP1
) != SUCCESS
)
4294 bap_write(ai
, &txControl
, sizeof(txControl
), BAP1
);
4302 /* In general BAP1 is dedicated to transmiting packets. However,
4303 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4304 Make sure the BAP1 spinlock is held when this is called. */
4305 static int transmit_802_3_packet(struct airo_info
*ai
, int len
, char *pPacket
)
4316 if (len
<= ETH_ALEN
* 2) {
4317 airo_print_warn(ai
->dev
->name
, "Short packet %d", len
);
4320 len
-= ETH_ALEN
* 2;
4322 if (test_bit(FLAG_MIC_CAPABLE
, &ai
->flags
) && ai
->micstats
.enabled
&&
4323 (ntohs(((u16
*)pPacket
)[6]) != 0x888E)) {
4324 if (encapsulate(ai
,(etherHead
*)pPacket
,&pMic
,len
) != SUCCESS
)
4326 miclen
= sizeof(pMic
);
4328 // packet is destination[6], source[6], payload[len-12]
4329 // write the payload length and dst/src/payload
4330 if (bap_setup(ai
, txFid
, 0x0036, BAP1
) != SUCCESS
) return ERROR
;
4331 /* The hardware addresses aren't counted as part of the payload, so
4332 * we have to subtract the 12 bytes for the addresses off */
4333 payloadLen
= cpu_to_le16(len
+ miclen
);
4334 bap_write(ai
, &payloadLen
, sizeof(payloadLen
),BAP1
);
4335 bap_write(ai
, (const u16
*)pPacket
, sizeof(etherHead
), BAP1
);
4337 bap_write(ai
, (const u16
*)&pMic
, miclen
, BAP1
);
4338 bap_write(ai
, (const u16
*)(pPacket
+ sizeof(etherHead
)), len
, BAP1
);
4339 // issue the transmit command
4340 memset( &cmd
, 0, sizeof( cmd
) );
4341 cmd
.cmd
= CMD_TRANSMIT
;
4343 if (issuecommand(ai
, &cmd
, &rsp
) != SUCCESS
) return ERROR
;
4344 if ( (rsp
.status
& 0xFF00) != 0) return ERROR
;
4348 static int transmit_802_11_packet(struct airo_info
*ai
, int len
, char *pPacket
)
4363 fc
= le16_to_cpu(*(const u16
*)pPacket
);
4366 if ((fc
& 0xe0) == 0xc0)
4372 if ((fc
&0x300)==0x300){
4381 airo_print_warn(ai
->dev
->name
, "Short packet %d", len
);
4385 /* packet is 802.11 header + payload
4386 * write the payload length and dst/src/payload */
4387 if (bap_setup(ai
, txFid
, 6, BAP1
) != SUCCESS
) return ERROR
;
4388 /* The 802.11 header aren't counted as part of the payload, so
4389 * we have to subtract the header bytes off */
4390 payloadLen
= cpu_to_le16(len
-hdrlen
);
4391 bap_write(ai
, &payloadLen
, sizeof(payloadLen
),BAP1
);
4392 if (bap_setup(ai
, txFid
, 0x0014, BAP1
) != SUCCESS
) return ERROR
;
4393 bap_write(ai
, (const u16
*)pPacket
, hdrlen
, BAP1
);
4394 bap_write(ai
, hdrlen
== 30 ?
4395 (const u16
*)&gap
.gaplen
: (const u16
*)&gap
, 38 - hdrlen
, BAP1
);
4397 bap_write(ai
, (const u16
*)(pPacket
+ hdrlen
), len
- hdrlen
, BAP1
);
4398 // issue the transmit command
4399 memset( &cmd
, 0, sizeof( cmd
) );
4400 cmd
.cmd
= CMD_TRANSMIT
;
4402 if (issuecommand(ai
, &cmd
, &rsp
) != SUCCESS
) return ERROR
;
4403 if ( (rsp
.status
& 0xFF00) != 0) return ERROR
;
4408 * This is the proc_fs routines. It is a bit messier than I would
4409 * like! Feel free to clean it up!
4412 static ssize_t
proc_read( struct file
*file
,
4413 char __user
*buffer
,
4417 static ssize_t
proc_write( struct file
*file
,
4418 const char __user
*buffer
,
4421 static int proc_close( struct inode
*inode
, struct file
*file
);
4423 static int proc_stats_open( struct inode
*inode
, struct file
*file
);
4424 static int proc_statsdelta_open( struct inode
*inode
, struct file
*file
);
4425 static int proc_status_open( struct inode
*inode
, struct file
*file
);
4426 static int proc_SSID_open( struct inode
*inode
, struct file
*file
);
4427 static int proc_APList_open( struct inode
*inode
, struct file
*file
);
4428 static int proc_BSSList_open( struct inode
*inode
, struct file
*file
);
4429 static int proc_config_open( struct inode
*inode
, struct file
*file
);
4430 static int proc_wepkey_open( struct inode
*inode
, struct file
*file
);
4432 static const struct file_operations proc_statsdelta_ops
= {
4434 .open
= proc_statsdelta_open
,
4435 .release
= proc_close
4438 static const struct file_operations proc_stats_ops
= {
4440 .open
= proc_stats_open
,
4441 .release
= proc_close
4444 static const struct file_operations proc_status_ops
= {
4446 .open
= proc_status_open
,
4447 .release
= proc_close
4450 static const struct file_operations proc_SSID_ops
= {
4452 .write
= proc_write
,
4453 .open
= proc_SSID_open
,
4454 .release
= proc_close
4457 static const struct file_operations proc_BSSList_ops
= {
4459 .write
= proc_write
,
4460 .open
= proc_BSSList_open
,
4461 .release
= proc_close
4464 static const struct file_operations proc_APList_ops
= {
4466 .write
= proc_write
,
4467 .open
= proc_APList_open
,
4468 .release
= proc_close
4471 static const struct file_operations proc_config_ops
= {
4473 .write
= proc_write
,
4474 .open
= proc_config_open
,
4475 .release
= proc_close
4478 static const struct file_operations proc_wepkey_ops
= {
4480 .write
= proc_write
,
4481 .open
= proc_wepkey_open
,
4482 .release
= proc_close
4485 static struct proc_dir_entry
*airo_entry
;
4494 void (*on_close
) (struct inode
*, struct file
*);
4498 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4501 static int setup_proc_entry( struct net_device
*dev
,
4502 struct airo_info
*apriv
) {
4503 struct proc_dir_entry
*entry
;
4504 /* First setup the device directory */
4505 strcpy(apriv
->proc_name
,dev
->name
);
4506 apriv
->proc_entry
= create_proc_entry(apriv
->proc_name
,
4509 if (!apriv
->proc_entry
)
4511 apriv
->proc_entry
->uid
= proc_uid
;
4512 apriv
->proc_entry
->gid
= proc_gid
;
4513 apriv
->proc_entry
->owner
= THIS_MODULE
;
4515 /* Setup the StatsDelta */
4516 entry
= create_proc_entry("StatsDelta",
4517 S_IFREG
| (S_IRUGO
&proc_perm
),
4520 goto fail_stats_delta
;
4521 entry
->uid
= proc_uid
;
4522 entry
->gid
= proc_gid
;
4524 entry
->owner
= THIS_MODULE
;
4525 SETPROC_OPS(entry
, proc_statsdelta_ops
);
4527 /* Setup the Stats */
4528 entry
= create_proc_entry("Stats",
4529 S_IFREG
| (S_IRUGO
&proc_perm
),
4533 entry
->uid
= proc_uid
;
4534 entry
->gid
= proc_gid
;
4536 entry
->owner
= THIS_MODULE
;
4537 SETPROC_OPS(entry
, proc_stats_ops
);
4539 /* Setup the Status */
4540 entry
= create_proc_entry("Status",
4541 S_IFREG
| (S_IRUGO
&proc_perm
),
4545 entry
->uid
= proc_uid
;
4546 entry
->gid
= proc_gid
;
4548 entry
->owner
= THIS_MODULE
;
4549 SETPROC_OPS(entry
, proc_status_ops
);
4551 /* Setup the Config */
4552 entry
= create_proc_entry("Config",
4553 S_IFREG
| proc_perm
,
4557 entry
->uid
= proc_uid
;
4558 entry
->gid
= proc_gid
;
4560 entry
->owner
= THIS_MODULE
;
4561 SETPROC_OPS(entry
, proc_config_ops
);
4563 /* Setup the SSID */
4564 entry
= create_proc_entry("SSID",
4565 S_IFREG
| proc_perm
,
4569 entry
->uid
= proc_uid
;
4570 entry
->gid
= proc_gid
;
4572 entry
->owner
= THIS_MODULE
;
4573 SETPROC_OPS(entry
, proc_SSID_ops
);
4575 /* Setup the APList */
4576 entry
= create_proc_entry("APList",
4577 S_IFREG
| proc_perm
,
4581 entry
->uid
= proc_uid
;
4582 entry
->gid
= proc_gid
;
4584 entry
->owner
= THIS_MODULE
;
4585 SETPROC_OPS(entry
, proc_APList_ops
);
4587 /* Setup the BSSList */
4588 entry
= create_proc_entry("BSSList",
4589 S_IFREG
| proc_perm
,
4593 entry
->uid
= proc_uid
;
4594 entry
->gid
= proc_gid
;
4596 entry
->owner
= THIS_MODULE
;
4597 SETPROC_OPS(entry
, proc_BSSList_ops
);
4599 /* Setup the WepKey */
4600 entry
= create_proc_entry("WepKey",
4601 S_IFREG
| proc_perm
,
4605 entry
->uid
= proc_uid
;
4606 entry
->gid
= proc_gid
;
4608 entry
->owner
= THIS_MODULE
;
4609 SETPROC_OPS(entry
, proc_wepkey_ops
);
4614 remove_proc_entry("BSSList", apriv
->proc_entry
);
4616 remove_proc_entry("APList", apriv
->proc_entry
);
4618 remove_proc_entry("SSID", apriv
->proc_entry
);
4620 remove_proc_entry("Config", apriv
->proc_entry
);
4622 remove_proc_entry("Status", apriv
->proc_entry
);
4624 remove_proc_entry("Stats", apriv
->proc_entry
);
4626 remove_proc_entry("StatsDelta", apriv
->proc_entry
);
4628 remove_proc_entry(apriv
->proc_name
, airo_entry
);
4633 static int takedown_proc_entry( struct net_device
*dev
,
4634 struct airo_info
*apriv
) {
4635 if ( !apriv
->proc_entry
->namelen
) return 0;
4636 remove_proc_entry("Stats",apriv
->proc_entry
);
4637 remove_proc_entry("StatsDelta",apriv
->proc_entry
);
4638 remove_proc_entry("Status",apriv
->proc_entry
);
4639 remove_proc_entry("Config",apriv
->proc_entry
);
4640 remove_proc_entry("SSID",apriv
->proc_entry
);
4641 remove_proc_entry("APList",apriv
->proc_entry
);
4642 remove_proc_entry("BSSList",apriv
->proc_entry
);
4643 remove_proc_entry("WepKey",apriv
->proc_entry
);
4644 remove_proc_entry(apriv
->proc_name
,airo_entry
);
4649 * What we want from the proc_fs is to be able to efficiently read
4650 * and write the configuration. To do this, we want to read the
4651 * configuration when the file is opened and write it when the file is
4652 * closed. So basically we allocate a read buffer at open and fill it
4653 * with data, and allocate a write buffer and read it at close.
4657 * The read routine is generic, it relies on the preallocated rbuffer
4658 * to supply the data.
4660 static ssize_t
proc_read( struct file
*file
,
4661 char __user
*buffer
,
4665 loff_t pos
= *offset
;
4666 struct proc_data
*priv
= (struct proc_data
*)file
->private_data
;
4673 if (pos
>= priv
->readlen
)
4675 if (len
> priv
->readlen
- pos
)
4676 len
= priv
->readlen
- pos
;
4677 if (copy_to_user(buffer
, priv
->rbuffer
+ pos
, len
))
4679 *offset
= pos
+ len
;
4684 * The write routine is generic, it fills in a preallocated rbuffer
4685 * to supply the data.
4687 static ssize_t
proc_write( struct file
*file
,
4688 const char __user
*buffer
,
4692 loff_t pos
= *offset
;
4693 struct proc_data
*priv
= (struct proc_data
*)file
->private_data
;
4700 if (pos
>= priv
->maxwritelen
)
4702 if (len
> priv
->maxwritelen
- pos
)
4703 len
= priv
->maxwritelen
- pos
;
4704 if (copy_from_user(priv
->wbuffer
+ pos
, buffer
, len
))
4706 if ( pos
+ len
> priv
->writelen
)
4707 priv
->writelen
= len
+ file
->f_pos
;
4708 *offset
= pos
+ len
;
4712 static int proc_status_open( struct inode
*inode
, struct file
*file
) {
4713 struct proc_data
*data
;
4714 struct proc_dir_entry
*dp
= PDE(inode
);
4715 struct net_device
*dev
= dp
->data
;
4716 struct airo_info
*apriv
= dev
->priv
;
4717 CapabilityRid cap_rid
;
4718 StatusRid status_rid
;
4721 if ((file
->private_data
= kzalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
4723 data
= (struct proc_data
*)file
->private_data
;
4724 if ((data
->rbuffer
= kmalloc( 2048, GFP_KERNEL
)) == NULL
) {
4725 kfree (file
->private_data
);
4729 readStatusRid(apriv
, &status_rid
, 1);
4730 readCapabilityRid(apriv
, &cap_rid
, 1);
4732 i
= sprintf(data
->rbuffer
, "Status: %s%s%s%s%s%s%s%s%s\n",
4733 status_rid
.mode
& 1 ? "CFG ": "",
4734 status_rid
.mode
& 2 ? "ACT ": "",
4735 status_rid
.mode
& 0x10 ? "SYN ": "",
4736 status_rid
.mode
& 0x20 ? "LNK ": "",
4737 status_rid
.mode
& 0x40 ? "LEAP ": "",
4738 status_rid
.mode
& 0x80 ? "PRIV ": "",
4739 status_rid
.mode
& 0x100 ? "KEY ": "",
4740 status_rid
.mode
& 0x200 ? "WEP ": "",
4741 status_rid
.mode
& 0x8000 ? "ERR ": "");
4742 sprintf( data
->rbuffer
+i
, "Mode: %x\n"
4743 "Signal Strength: %d\n"
4744 "Signal Quality: %d\n"
4749 "Driver Version: %s\n"
4750 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4751 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4752 "Software Version: %x\nSoftware Subversion: %x\n"
4753 "Boot block version: %x\n",
4754 (int)status_rid
.mode
,
4755 (int)status_rid
.normalizedSignalStrength
,
4756 (int)status_rid
.signalQuality
,
4757 (int)status_rid
.SSIDlen
,
4760 (int)status_rid
.channel
,
4761 (int)status_rid
.currentXmitRate
/2,
4769 (int)cap_rid
.softVer
,
4770 (int)cap_rid
.softSubVer
,
4771 (int)cap_rid
.bootBlockVer
);
4772 data
->readlen
= strlen( data
->rbuffer
);
4776 static int proc_stats_rid_open(struct inode
*, struct file
*, u16
);
4777 static int proc_statsdelta_open( struct inode
*inode
,
4778 struct file
*file
) {
4779 if (file
->f_mode
&FMODE_WRITE
) {
4780 return proc_stats_rid_open(inode
, file
, RID_STATSDELTACLEAR
);
4782 return proc_stats_rid_open(inode
, file
, RID_STATSDELTA
);
4785 static int proc_stats_open( struct inode
*inode
, struct file
*file
) {
4786 return proc_stats_rid_open(inode
, file
, RID_STATS
);
4789 static int proc_stats_rid_open( struct inode
*inode
,
4792 struct proc_data
*data
;
4793 struct proc_dir_entry
*dp
= PDE(inode
);
4794 struct net_device
*dev
= dp
->data
;
4795 struct airo_info
*apriv
= dev
->priv
;
4798 u32
*vals
= stats
.vals
;
4800 if ((file
->private_data
= kzalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
4802 data
= (struct proc_data
*)file
->private_data
;
4803 if ((data
->rbuffer
= kmalloc( 4096, GFP_KERNEL
)) == NULL
) {
4804 kfree (file
->private_data
);
4808 readStatsRid(apriv
, &stats
, rid
, 1);
4811 for(i
=0; statsLabels
[i
]!=(char *)-1 &&
4812 i
*4<stats
.len
; i
++){
4813 if (!statsLabels
[i
]) continue;
4814 if (j
+strlen(statsLabels
[i
])+16>4096) {
4815 airo_print_warn(apriv
->dev
->name
,
4816 "Potentially disasterous buffer overflow averted!");
4819 j
+=sprintf(data
->rbuffer
+j
, "%s: %u\n", statsLabels
[i
], vals
[i
]);
4821 if (i
*4>=stats
.len
){
4822 airo_print_warn(apriv
->dev
->name
, "Got a short rid");
4828 static int get_dec_u16( char *buffer
, int *start
, int limit
) {
4831 for( value
= 0; buffer
[*start
] >= '0' &&
4832 buffer
[*start
] <= '9' &&
4833 *start
< limit
; (*start
)++ ) {
4836 value
+= buffer
[*start
] - '0';
4838 if ( !valid
) return -1;
4842 static int airo_config_commit(struct net_device
*dev
,
4843 struct iw_request_info
*info
, void *zwrq
,
4846 static void proc_config_on_close( struct inode
*inode
, struct file
*file
) {
4847 struct proc_data
*data
= file
->private_data
;
4848 struct proc_dir_entry
*dp
= PDE(inode
);
4849 struct net_device
*dev
= dp
->data
;
4850 struct airo_info
*ai
= dev
->priv
;
4853 if ( !data
->writelen
) return;
4855 readConfigRid(ai
, 1);
4856 set_bit (FLAG_COMMIT
, &ai
->flags
);
4858 line
= data
->wbuffer
;
4860 /*** Mode processing */
4861 if ( !strncmp( line
, "Mode: ", 6 ) ) {
4863 if ((ai
->config
.rmode
& 0xff) >= RXMODE_RFMON
)
4864 set_bit (FLAG_RESET
, &ai
->flags
);
4865 ai
->config
.rmode
&= 0xfe00;
4866 clear_bit (FLAG_802_11
, &ai
->flags
);
4867 ai
->config
.opmode
&= 0xFF00;
4868 ai
->config
.scanMode
= SCANMODE_ACTIVE
;
4869 if ( line
[0] == 'a' ) {
4870 ai
->config
.opmode
|= 0;
4872 ai
->config
.opmode
|= 1;
4873 if ( line
[0] == 'r' ) {
4874 ai
->config
.rmode
|= RXMODE_RFMON
| RXMODE_DISABLE_802_3_HEADER
;
4875 ai
->config
.scanMode
= SCANMODE_PASSIVE
;
4876 set_bit (FLAG_802_11
, &ai
->flags
);
4877 } else if ( line
[0] == 'y' ) {
4878 ai
->config
.rmode
|= RXMODE_RFMON_ANYBSS
| RXMODE_DISABLE_802_3_HEADER
;
4879 ai
->config
.scanMode
= SCANMODE_PASSIVE
;
4880 set_bit (FLAG_802_11
, &ai
->flags
);
4881 } else if ( line
[0] == 'l' )
4882 ai
->config
.rmode
|= RXMODE_LANMON
;
4884 set_bit (FLAG_COMMIT
, &ai
->flags
);
4887 /*** Radio status */
4888 else if (!strncmp(line
,"Radio: ", 7)) {
4890 if (!strncmp(line
,"off",3)) {
4891 set_bit (FLAG_RADIO_OFF
, &ai
->flags
);
4893 clear_bit (FLAG_RADIO_OFF
, &ai
->flags
);
4896 /*** NodeName processing */
4897 else if ( !strncmp( line
, "NodeName: ", 10 ) ) {
4901 memset( ai
->config
.nodeName
, 0, 16 );
4902 /* Do the name, assume a space between the mode and node name */
4903 for( j
= 0; j
< 16 && line
[j
] != '\n'; j
++ ) {
4904 ai
->config
.nodeName
[j
] = line
[j
];
4906 set_bit (FLAG_COMMIT
, &ai
->flags
);
4909 /*** PowerMode processing */
4910 else if ( !strncmp( line
, "PowerMode: ", 11 ) ) {
4912 if ( !strncmp( line
, "PSPCAM", 6 ) ) {
4913 ai
->config
.powerSaveMode
= POWERSAVE_PSPCAM
;
4914 set_bit (FLAG_COMMIT
, &ai
->flags
);
4915 } else if ( !strncmp( line
, "PSP", 3 ) ) {
4916 ai
->config
.powerSaveMode
= POWERSAVE_PSP
;
4917 set_bit (FLAG_COMMIT
, &ai
->flags
);
4919 ai
->config
.powerSaveMode
= POWERSAVE_CAM
;
4920 set_bit (FLAG_COMMIT
, &ai
->flags
);
4922 } else if ( !strncmp( line
, "DataRates: ", 11 ) ) {
4923 int v
, i
= 0, k
= 0; /* i is index into line,
4924 k is index to rates */
4927 while((v
= get_dec_u16(line
, &i
, 3))!=-1) {
4928 ai
->config
.rates
[k
++] = (u8
)v
;
4932 set_bit (FLAG_COMMIT
, &ai
->flags
);
4933 } else if ( !strncmp( line
, "Channel: ", 9 ) ) {
4936 v
= get_dec_u16(line
, &i
, i
+3);
4938 ai
->config
.channelSet
= (u16
)v
;
4939 set_bit (FLAG_COMMIT
, &ai
->flags
);
4941 } else if ( !strncmp( line
, "XmitPower: ", 11 ) ) {
4944 v
= get_dec_u16(line
, &i
, i
+3);
4946 ai
->config
.txPower
= (u16
)v
;
4947 set_bit (FLAG_COMMIT
, &ai
->flags
);
4949 } else if ( !strncmp( line
, "WEP: ", 5 ) ) {
4953 ai
->config
.authType
= (u16
)AUTH_SHAREDKEY
;
4956 ai
->config
.authType
= (u16
)AUTH_ENCRYPT
;
4959 ai
->config
.authType
= (u16
)AUTH_OPEN
;
4962 set_bit (FLAG_COMMIT
, &ai
->flags
);
4963 } else if ( !strncmp( line
, "LongRetryLimit: ", 16 ) ) {
4967 v
= get_dec_u16(line
, &i
, 3);
4968 v
= (v
<0) ? 0 : ((v
>255) ? 255 : v
);
4969 ai
->config
.longRetryLimit
= (u16
)v
;
4970 set_bit (FLAG_COMMIT
, &ai
->flags
);
4971 } else if ( !strncmp( line
, "ShortRetryLimit: ", 17 ) ) {
4975 v
= get_dec_u16(line
, &i
, 3);
4976 v
= (v
<0) ? 0 : ((v
>255) ? 255 : v
);
4977 ai
->config
.shortRetryLimit
= (u16
)v
;
4978 set_bit (FLAG_COMMIT
, &ai
->flags
);
4979 } else if ( !strncmp( line
, "RTSThreshold: ", 14 ) ) {
4983 v
= get_dec_u16(line
, &i
, 4);
4984 v
= (v
<0) ? 0 : ((v
>AIRO_DEF_MTU
) ? AIRO_DEF_MTU
: v
);
4985 ai
->config
.rtsThres
= (u16
)v
;
4986 set_bit (FLAG_COMMIT
, &ai
->flags
);
4987 } else if ( !strncmp( line
, "TXMSDULifetime: ", 16 ) ) {
4991 v
= get_dec_u16(line
, &i
, 5);
4993 ai
->config
.txLifetime
= (u16
)v
;
4994 set_bit (FLAG_COMMIT
, &ai
->flags
);
4995 } else if ( !strncmp( line
, "RXMSDULifetime: ", 16 ) ) {
4999 v
= get_dec_u16(line
, &i
, 5);
5001 ai
->config
.rxLifetime
= (u16
)v
;
5002 set_bit (FLAG_COMMIT
, &ai
->flags
);
5003 } else if ( !strncmp( line
, "TXDiversity: ", 13 ) ) {
5004 ai
->config
.txDiversity
=
5005 (line
[13]=='l') ? 1 :
5006 ((line
[13]=='r')? 2: 3);
5007 set_bit (FLAG_COMMIT
, &ai
->flags
);
5008 } else if ( !strncmp( line
, "RXDiversity: ", 13 ) ) {
5009 ai
->config
.rxDiversity
=
5010 (line
[13]=='l') ? 1 :
5011 ((line
[13]=='r')? 2: 3);
5012 set_bit (FLAG_COMMIT
, &ai
->flags
);
5013 } else if ( !strncmp( line
, "FragThreshold: ", 15 ) ) {
5017 v
= get_dec_u16(line
, &i
, 4);
5018 v
= (v
<256) ? 256 : ((v
>AIRO_DEF_MTU
) ? AIRO_DEF_MTU
: v
);
5019 v
= v
& 0xfffe; /* Make sure its even */
5020 ai
->config
.fragThresh
= (u16
)v
;
5021 set_bit (FLAG_COMMIT
, &ai
->flags
);
5022 } else if (!strncmp(line
, "Modulation: ", 12)) {
5025 case 'd': ai
->config
.modulation
=MOD_DEFAULT
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
5026 case 'c': ai
->config
.modulation
=MOD_CCK
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
5027 case 'm': ai
->config
.modulation
=MOD_MOK
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
5028 default: airo_print_warn(ai
->dev
->name
, "Unknown modulation");
5030 } else if (!strncmp(line
, "Preamble: ", 10)) {
5033 case 'a': ai
->config
.preamble
=PREAMBLE_AUTO
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
5034 case 'l': ai
->config
.preamble
=PREAMBLE_LONG
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
5035 case 's': ai
->config
.preamble
=PREAMBLE_SHORT
; set_bit(FLAG_COMMIT
, &ai
->flags
); break;
5036 default: airo_print_warn(ai
->dev
->name
, "Unknown preamble");
5039 airo_print_warn(ai
->dev
->name
, "Couldn't figure out %s", line
);
5041 while( line
[0] && line
[0] != '\n' ) line
++;
5042 if ( line
[0] ) line
++;
5044 airo_config_commit(dev
, NULL
, NULL
, NULL
);
5047 static char *get_rmode(u16 mode
) {
5049 case RXMODE_RFMON
: return "rfmon";
5050 case RXMODE_RFMON_ANYBSS
: return "yna (any) bss rfmon";
5051 case RXMODE_LANMON
: return "lanmon";
5056 static int proc_config_open( struct inode
*inode
, struct file
*file
) {
5057 struct proc_data
*data
;
5058 struct proc_dir_entry
*dp
= PDE(inode
);
5059 struct net_device
*dev
= dp
->data
;
5060 struct airo_info
*ai
= dev
->priv
;
5063 if ((file
->private_data
= kzalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5065 data
= (struct proc_data
*)file
->private_data
;
5066 if ((data
->rbuffer
= kmalloc( 2048, GFP_KERNEL
)) == NULL
) {
5067 kfree (file
->private_data
);
5070 if ((data
->wbuffer
= kzalloc( 2048, GFP_KERNEL
)) == NULL
) {
5071 kfree (data
->rbuffer
);
5072 kfree (file
->private_data
);
5075 data
->maxwritelen
= 2048;
5076 data
->on_close
= proc_config_on_close
;
5078 readConfigRid(ai
, 1);
5080 i
= sprintf( data
->rbuffer
,
5085 "DataRates: %d %d %d %d %d %d %d %d\n"
5088 (ai
->config
.opmode
& 0xFF) == 0 ? "adhoc" :
5089 (ai
->config
.opmode
& 0xFF) == 1 ? get_rmode(ai
->config
.rmode
):
5090 (ai
->config
.opmode
& 0xFF) == 2 ? "AP" :
5091 (ai
->config
.opmode
& 0xFF) == 3 ? "AP RPTR" : "Error",
5092 test_bit(FLAG_RADIO_OFF
, &ai
->flags
) ? "off" : "on",
5093 ai
->config
.nodeName
,
5094 ai
->config
.powerSaveMode
== 0 ? "CAM" :
5095 ai
->config
.powerSaveMode
== 1 ? "PSP" :
5096 ai
->config
.powerSaveMode
== 2 ? "PSPCAM" : "Error",
5097 (int)ai
->config
.rates
[0],
5098 (int)ai
->config
.rates
[1],
5099 (int)ai
->config
.rates
[2],
5100 (int)ai
->config
.rates
[3],
5101 (int)ai
->config
.rates
[4],
5102 (int)ai
->config
.rates
[5],
5103 (int)ai
->config
.rates
[6],
5104 (int)ai
->config
.rates
[7],
5105 (int)ai
->config
.channelSet
,
5106 (int)ai
->config
.txPower
5108 sprintf( data
->rbuffer
+ i
,
5109 "LongRetryLimit: %d\n"
5110 "ShortRetryLimit: %d\n"
5111 "RTSThreshold: %d\n"
5112 "TXMSDULifetime: %d\n"
5113 "RXMSDULifetime: %d\n"
5116 "FragThreshold: %d\n"
5120 (int)ai
->config
.longRetryLimit
,
5121 (int)ai
->config
.shortRetryLimit
,
5122 (int)ai
->config
.rtsThres
,
5123 (int)ai
->config
.txLifetime
,
5124 (int)ai
->config
.rxLifetime
,
5125 ai
->config
.txDiversity
== 1 ? "left" :
5126 ai
->config
.txDiversity
== 2 ? "right" : "both",
5127 ai
->config
.rxDiversity
== 1 ? "left" :
5128 ai
->config
.rxDiversity
== 2 ? "right" : "both",
5129 (int)ai
->config
.fragThresh
,
5130 ai
->config
.authType
== AUTH_ENCRYPT
? "encrypt" :
5131 ai
->config
.authType
== AUTH_SHAREDKEY
? "shared" : "open",
5132 ai
->config
.modulation
== 0 ? "default" :
5133 ai
->config
.modulation
== MOD_CCK
? "cck" :
5134 ai
->config
.modulation
== MOD_MOK
? "mok" : "error",
5135 ai
->config
.preamble
== PREAMBLE_AUTO
? "auto" :
5136 ai
->config
.preamble
== PREAMBLE_LONG
? "long" :
5137 ai
->config
.preamble
== PREAMBLE_SHORT
? "short" : "error"
5139 data
->readlen
= strlen( data
->rbuffer
);
5143 static void proc_SSID_on_close( struct inode
*inode
, struct file
*file
) {
5144 struct proc_data
*data
= (struct proc_data
*)file
->private_data
;
5145 struct proc_dir_entry
*dp
= PDE(inode
);
5146 struct net_device
*dev
= dp
->data
;
5147 struct airo_info
*ai
= dev
->priv
;
5153 if ( !data
->writelen
) return;
5155 memset( &SSID_rid
, 0, sizeof( SSID_rid
) );
5157 for( i
= 0; i
< 3; i
++ ) {
5159 for( j
= 0; j
+offset
< data
->writelen
&& j
< 32 &&
5160 data
->wbuffer
[offset
+j
] != '\n'; j
++ ) {
5161 SSID_rid
.ssids
[i
].ssid
[j
] = data
->wbuffer
[offset
+j
];
5163 if ( j
== 0 ) break;
5164 SSID_rid
.ssids
[i
].len
= j
;
5166 while( data
->wbuffer
[offset
] != '\n' &&
5167 offset
< data
->writelen
) offset
++;
5171 SSID_rid
.len
= sizeof(SSID_rid
);
5173 writeSsidRid(ai
, &SSID_rid
, 1);
5174 enable_MAC(ai
, &rsp
, 1);
5177 static inline u8
hexVal(char c
) {
5178 if (c
>='0' && c
<='9') return c
-= '0';
5179 if (c
>='a' && c
<='f') return c
-= 'a'-10;
5180 if (c
>='A' && c
<='F') return c
-= 'A'-10;
5184 static void proc_APList_on_close( struct inode
*inode
, struct file
*file
) {
5185 struct proc_data
*data
= (struct proc_data
*)file
->private_data
;
5186 struct proc_dir_entry
*dp
= PDE(inode
);
5187 struct net_device
*dev
= dp
->data
;
5188 struct airo_info
*ai
= dev
->priv
;
5189 APListRid APList_rid
;
5193 if ( !data
->writelen
) return;
5195 memset( &APList_rid
, 0, sizeof(APList_rid
) );
5196 APList_rid
.len
= sizeof(APList_rid
);
5198 for( i
= 0; i
< 4 && data
->writelen
>= (i
+1)*6*3; i
++ ) {
5200 for( j
= 0; j
< 6*3 && data
->wbuffer
[j
+i
*6*3]; j
++ ) {
5203 APList_rid
.ap
[i
][j
/3]=
5204 hexVal(data
->wbuffer
[j
+i
*6*3])<<4;
5207 APList_rid
.ap
[i
][j
/3]|=
5208 hexVal(data
->wbuffer
[j
+i
*6*3]);
5214 writeAPListRid(ai
, &APList_rid
, 1);
5215 enable_MAC(ai
, &rsp
, 1);
5218 /* This function wraps PC4500_writerid with a MAC disable */
5219 static int do_writerid( struct airo_info
*ai
, u16 rid
, const void *rid_data
,
5220 int len
, int dummy
) {
5225 rc
= PC4500_writerid(ai
, rid
, rid_data
, len
, 1);
5226 enable_MAC(ai
, &rsp
, 1);
5230 /* Returns the length of the key at the index. If index == 0xffff
5231 * the index of the transmit key is returned. If the key doesn't exist,
5232 * -1 will be returned.
5234 static int get_wep_key(struct airo_info
*ai
, u16 index
) {
5239 rc
= readWepKeyRid(ai
, &wkr
, 1, 1);
5240 if (rc
== SUCCESS
) do {
5241 lastindex
= wkr
.kindex
;
5242 if (wkr
.kindex
== index
) {
5243 if (index
== 0xffff) {
5248 readWepKeyRid(ai
, &wkr
, 0, 1);
5249 } while(lastindex
!= wkr
.kindex
);
5253 static int set_wep_key(struct airo_info
*ai
, u16 index
,
5254 const char *key
, u16 keylen
, int perm
, int lock
) {
5255 static const unsigned char macaddr
[ETH_ALEN
] = { 0x01, 0, 0, 0, 0, 0 };
5259 memset(&wkr
, 0, sizeof(wkr
));
5261 // We are selecting which key to use
5262 wkr
.len
= sizeof(wkr
);
5263 wkr
.kindex
= 0xffff;
5264 wkr
.mac
[0] = (char)index
;
5265 if (perm
) ai
->defindex
= (char)index
;
5267 // We are actually setting the key
5268 wkr
.len
= sizeof(wkr
);
5271 memcpy( wkr
.key
, key
, keylen
);
5272 memcpy( wkr
.mac
, macaddr
, ETH_ALEN
);
5275 if (perm
) disable_MAC(ai
, lock
);
5276 writeWepKeyRid(ai
, &wkr
, perm
, lock
);
5277 if (perm
) enable_MAC(ai
, &rsp
, lock
);
5281 static void proc_wepkey_on_close( struct inode
*inode
, struct file
*file
) {
5282 struct proc_data
*data
;
5283 struct proc_dir_entry
*dp
= PDE(inode
);
5284 struct net_device
*dev
= dp
->data
;
5285 struct airo_info
*ai
= dev
->priv
;
5291 memset(key
, 0, sizeof(key
));
5293 data
= (struct proc_data
*)file
->private_data
;
5294 if ( !data
->writelen
) return;
5296 if (data
->wbuffer
[0] >= '0' && data
->wbuffer
[0] <= '3' &&
5297 (data
->wbuffer
[1] == ' ' || data
->wbuffer
[1] == '\n')) {
5298 index
= data
->wbuffer
[0] - '0';
5299 if (data
->wbuffer
[1] == '\n') {
5300 set_wep_key(ai
, index
, NULL
, 0, 1, 1);
5305 airo_print_err(ai
->dev
->name
, "WepKey passed invalid key index");
5309 for( i
= 0; i
< 16*3 && data
->wbuffer
[i
+j
]; i
++ ) {
5312 key
[i
/3] = hexVal(data
->wbuffer
[i
+j
])<<4;
5315 key
[i
/3] |= hexVal(data
->wbuffer
[i
+j
]);
5319 set_wep_key(ai
, index
, key
, i
/3, 1, 1);
5322 static int proc_wepkey_open( struct inode
*inode
, struct file
*file
) {
5323 struct proc_data
*data
;
5324 struct proc_dir_entry
*dp
= PDE(inode
);
5325 struct net_device
*dev
= dp
->data
;
5326 struct airo_info
*ai
= dev
->priv
;
5333 if ((file
->private_data
= kzalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5335 memset(&wkr
, 0, sizeof(wkr
));
5336 data
= (struct proc_data
*)file
->private_data
;
5337 if ((data
->rbuffer
= kzalloc( 180, GFP_KERNEL
)) == NULL
) {
5338 kfree (file
->private_data
);
5342 data
->maxwritelen
= 80;
5343 if ((data
->wbuffer
= kzalloc( 80, GFP_KERNEL
)) == NULL
) {
5344 kfree (data
->rbuffer
);
5345 kfree (file
->private_data
);
5348 data
->on_close
= proc_wepkey_on_close
;
5350 ptr
= data
->rbuffer
;
5351 strcpy(ptr
, "No wep keys\n");
5352 rc
= readWepKeyRid(ai
, &wkr
, 1, 1);
5353 if (rc
== SUCCESS
) do {
5354 lastindex
= wkr
.kindex
;
5355 if (wkr
.kindex
== 0xffff) {
5356 j
+= sprintf(ptr
+j
, "Tx key = %d\n",
5359 j
+= sprintf(ptr
+j
, "Key %d set with length = %d\n",
5360 (int)wkr
.kindex
, (int)wkr
.klen
);
5362 readWepKeyRid(ai
, &wkr
, 0, 1);
5363 } while((lastindex
!= wkr
.kindex
) && (j
< 180-30));
5365 data
->readlen
= strlen( data
->rbuffer
);
5369 static int proc_SSID_open( struct inode
*inode
, struct file
*file
) {
5370 struct proc_data
*data
;
5371 struct proc_dir_entry
*dp
= PDE(inode
);
5372 struct net_device
*dev
= dp
->data
;
5373 struct airo_info
*ai
= dev
->priv
;
5378 if ((file
->private_data
= kzalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5380 data
= (struct proc_data
*)file
->private_data
;
5381 if ((data
->rbuffer
= kmalloc( 104, GFP_KERNEL
)) == NULL
) {
5382 kfree (file
->private_data
);
5386 data
->maxwritelen
= 33*3;
5387 if ((data
->wbuffer
= kzalloc( 33*3, GFP_KERNEL
)) == NULL
) {
5388 kfree (data
->rbuffer
);
5389 kfree (file
->private_data
);
5392 data
->on_close
= proc_SSID_on_close
;
5394 readSsidRid(ai
, &SSID_rid
);
5395 ptr
= data
->rbuffer
;
5396 for( i
= 0; i
< 3; i
++ ) {
5398 if ( !SSID_rid
.ssids
[i
].len
) break;
5399 for( j
= 0; j
< 32 &&
5400 j
< SSID_rid
.ssids
[i
].len
&&
5401 SSID_rid
.ssids
[i
].ssid
[j
]; j
++ ) {
5402 *ptr
++ = SSID_rid
.ssids
[i
].ssid
[j
];
5407 data
->readlen
= strlen( data
->rbuffer
);
5411 static int proc_APList_open( struct inode
*inode
, struct file
*file
) {
5412 struct proc_data
*data
;
5413 struct proc_dir_entry
*dp
= PDE(inode
);
5414 struct net_device
*dev
= dp
->data
;
5415 struct airo_info
*ai
= dev
->priv
;
5418 APListRid APList_rid
;
5420 if ((file
->private_data
= kzalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5422 data
= (struct proc_data
*)file
->private_data
;
5423 if ((data
->rbuffer
= kmalloc( 104, GFP_KERNEL
)) == NULL
) {
5424 kfree (file
->private_data
);
5428 data
->maxwritelen
= 4*6*3;
5429 if ((data
->wbuffer
= kzalloc( data
->maxwritelen
, GFP_KERNEL
)) == NULL
) {
5430 kfree (data
->rbuffer
);
5431 kfree (file
->private_data
);
5434 data
->on_close
= proc_APList_on_close
;
5436 readAPListRid(ai
, &APList_rid
);
5437 ptr
= data
->rbuffer
;
5438 for( i
= 0; i
< 4; i
++ ) {
5439 // We end when we find a zero MAC
5440 if ( !*(int*)APList_rid
.ap
[i
] &&
5441 !*(int*)&APList_rid
.ap
[i
][2]) break;
5442 ptr
+= sprintf(ptr
, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5443 (int)APList_rid
.ap
[i
][0],
5444 (int)APList_rid
.ap
[i
][1],
5445 (int)APList_rid
.ap
[i
][2],
5446 (int)APList_rid
.ap
[i
][3],
5447 (int)APList_rid
.ap
[i
][4],
5448 (int)APList_rid
.ap
[i
][5]);
5450 if (i
==0) ptr
+= sprintf(ptr
, "Not using specific APs\n");
5453 data
->readlen
= strlen( data
->rbuffer
);
5457 static int proc_BSSList_open( struct inode
*inode
, struct file
*file
) {
5458 struct proc_data
*data
;
5459 struct proc_dir_entry
*dp
= PDE(inode
);
5460 struct net_device
*dev
= dp
->data
;
5461 struct airo_info
*ai
= dev
->priv
;
5463 BSSListRid BSSList_rid
;
5465 /* If doLoseSync is not 1, we won't do a Lose Sync */
5466 int doLoseSync
= -1;
5468 if ((file
->private_data
= kzalloc(sizeof(struct proc_data
), GFP_KERNEL
)) == NULL
)
5470 data
= (struct proc_data
*)file
->private_data
;
5471 if ((data
->rbuffer
= kmalloc( 1024, GFP_KERNEL
)) == NULL
) {
5472 kfree (file
->private_data
);
5476 data
->maxwritelen
= 0;
5477 data
->wbuffer
= NULL
;
5478 data
->on_close
= NULL
;
5480 if (file
->f_mode
& FMODE_WRITE
) {
5481 if (!(file
->f_mode
& FMODE_READ
)) {
5485 if (ai
->flags
& FLAG_RADIO_MASK
) return -ENETDOWN
;
5486 memset(&cmd
, 0, sizeof(cmd
));
5487 cmd
.cmd
=CMD_LISTBSS
;
5488 if (down_interruptible(&ai
->sem
))
5489 return -ERESTARTSYS
;
5490 issuecommand(ai
, &cmd
, &rsp
);
5497 ptr
= data
->rbuffer
;
5498 /* There is a race condition here if there are concurrent opens.
5499 Since it is a rare condition, we'll just live with it, otherwise
5500 we have to add a spin lock... */
5501 rc
= readBSSListRid(ai
, doLoseSync
, &BSSList_rid
);
5502 while(rc
== 0 && BSSList_rid
.index
!= 0xffff) {
5503 ptr
+= sprintf(ptr
, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5504 (int)BSSList_rid
.bssid
[0],
5505 (int)BSSList_rid
.bssid
[1],
5506 (int)BSSList_rid
.bssid
[2],
5507 (int)BSSList_rid
.bssid
[3],
5508 (int)BSSList_rid
.bssid
[4],
5509 (int)BSSList_rid
.bssid
[5],
5510 (int)BSSList_rid
.ssidLen
,
5512 (int)BSSList_rid
.dBm
);
5513 ptr
+= sprintf(ptr
, " channel = %d %s %s %s %s\n",
5514 (int)BSSList_rid
.dsChannel
,
5515 BSSList_rid
.cap
& CAP_ESS
? "ESS" : "",
5516 BSSList_rid
.cap
& CAP_IBSS
? "adhoc" : "",
5517 BSSList_rid
.cap
& CAP_PRIVACY
? "wep" : "",
5518 BSSList_rid
.cap
& CAP_SHORTHDR
? "shorthdr" : "");
5519 rc
= readBSSListRid(ai
, 0, &BSSList_rid
);
5522 data
->readlen
= strlen( data
->rbuffer
);
5526 static int proc_close( struct inode
*inode
, struct file
*file
)
5528 struct proc_data
*data
= file
->private_data
;
5530 if (data
->on_close
!= NULL
)
5531 data
->on_close(inode
, file
);
5532 kfree(data
->rbuffer
);
5533 kfree(data
->wbuffer
);
5538 static struct net_device_list
{
5539 struct net_device
*dev
;
5540 struct net_device_list
*next
;
5543 /* Since the card doesn't automatically switch to the right WEP mode,
5544 we will make it do it. If the card isn't associated, every secs we
5545 will switch WEP modes to see if that will help. If the card is
5546 associated we will check every minute to see if anything has
5548 static void timer_func( struct net_device
*dev
) {
5549 struct airo_info
*apriv
= dev
->priv
;
5552 /* We don't have a link so try changing the authtype */
5553 readConfigRid(apriv
, 0);
5554 disable_MAC(apriv
, 0);
5555 switch(apriv
->config
.authType
) {
5557 /* So drop to OPEN */
5558 apriv
->config
.authType
= AUTH_OPEN
;
5560 case AUTH_SHAREDKEY
:
5561 if (apriv
->keyindex
< auto_wep
) {
5562 set_wep_key(apriv
, apriv
->keyindex
, NULL
, 0, 0, 0);
5563 apriv
->config
.authType
= AUTH_SHAREDKEY
;
5566 /* Drop to ENCRYPT */
5567 apriv
->keyindex
= 0;
5568 set_wep_key(apriv
, apriv
->defindex
, NULL
, 0, 0, 0);
5569 apriv
->config
.authType
= AUTH_ENCRYPT
;
5572 default: /* We'll escalate to SHAREDKEY */
5573 apriv
->config
.authType
= AUTH_SHAREDKEY
;
5575 set_bit (FLAG_COMMIT
, &apriv
->flags
);
5576 writeConfigRid(apriv
, 0);
5577 enable_MAC(apriv
, &rsp
, 0);
5580 /* Schedule check to see if the change worked */
5581 clear_bit(JOB_AUTOWEP
, &apriv
->jobs
);
5582 apriv
->expires
= RUN_AT(HZ
*3);
5585 static int add_airo_dev( struct net_device
*dev
) {
5586 struct net_device_list
*node
= kmalloc( sizeof( *node
), GFP_KERNEL
);
5591 node
->next
= airo_devices
;
5592 airo_devices
= node
;
5597 static void del_airo_dev( struct net_device
*dev
) {
5598 struct net_device_list
**p
= &airo_devices
;
5599 while( *p
&& ( (*p
)->dev
!= dev
) )
5601 if ( *p
&& (*p
)->dev
== dev
)
5606 static int __devinit
airo_pci_probe(struct pci_dev
*pdev
,
5607 const struct pci_device_id
*pent
)
5609 struct net_device
*dev
;
5611 if (pci_enable_device(pdev
))
5613 pci_set_master(pdev
);
5615 if (pdev
->device
== 0x5000 || pdev
->device
== 0xa504)
5616 dev
= _init_airo_card(pdev
->irq
, pdev
->resource
[0].start
, 0, pdev
, &pdev
->dev
);
5618 dev
= _init_airo_card(pdev
->irq
, pdev
->resource
[2].start
, 0, pdev
, &pdev
->dev
);
5622 pci_set_drvdata(pdev
, dev
);
5626 static void __devexit
airo_pci_remove(struct pci_dev
*pdev
)
5630 static int airo_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
5632 struct net_device
*dev
= pci_get_drvdata(pdev
);
5633 struct airo_info
*ai
= dev
->priv
;
5637 if ((ai
->APList
== NULL
) &&
5638 (ai
->APList
= kmalloc(sizeof(APListRid
), GFP_KERNEL
)) == NULL
)
5640 if ((ai
->SSID
== NULL
) &&
5641 (ai
->SSID
= kmalloc(sizeof(SsidRid
), GFP_KERNEL
)) == NULL
)
5643 readAPListRid(ai
, ai
->APList
);
5644 readSsidRid(ai
, ai
->SSID
);
5645 memset(&cmd
, 0, sizeof(cmd
));
5646 /* the lock will be released at the end of the resume callback */
5647 if (down_interruptible(&ai
->sem
))
5650 netif_device_detach(dev
);
5653 issuecommand(ai
, &cmd
, &rsp
);
5655 pci_enable_wake(pdev
, pci_choose_state(pdev
, state
), 1);
5656 pci_save_state(pdev
);
5657 return pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
5660 static int airo_pci_resume(struct pci_dev
*pdev
)
5662 struct net_device
*dev
= pci_get_drvdata(pdev
);
5663 struct airo_info
*ai
= dev
->priv
;
5665 pci_power_t prev_state
= pdev
->current_state
;
5667 pci_set_power_state(pdev
, PCI_D0
);
5668 pci_restore_state(pdev
);
5669 pci_enable_wake(pdev
, PCI_D0
, 0);
5671 if (prev_state
!= PCI_D1
) {
5673 mpi_init_descriptors(ai
);
5674 setup_card(ai
, dev
->dev_addr
, 0);
5675 clear_bit(FLAG_RADIO_OFF
, &ai
->flags
);
5676 clear_bit(FLAG_PENDING_XMIT
, &ai
->flags
);
5678 OUT4500(ai
, EVACK
, EV_AWAKEN
);
5679 OUT4500(ai
, EVACK
, EV_AWAKEN
);
5683 set_bit (FLAG_COMMIT
, &ai
->flags
);
5687 writeSsidRid(ai
, ai
->SSID
, 0);
5692 writeAPListRid(ai
, ai
->APList
, 0);
5696 writeConfigRid(ai
, 0);
5697 enable_MAC(ai
, &rsp
, 0);
5698 ai
->power
= PMSG_ON
;
5699 netif_device_attach(dev
);
5700 netif_wake_queue(dev
);
5701 enable_interrupts(ai
);
5707 static int __init
airo_init_module( void )
5711 int have_isa_dev
= 0;
5714 airo_entry
= create_proc_entry("aironet",
5715 S_IFDIR
| airo_perm
,
5719 airo_entry
->uid
= proc_uid
;
5720 airo_entry
->gid
= proc_gid
;
5723 for( i
= 0; i
< 4 && io
[i
] && irq
[i
]; i
++ ) {
5724 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5725 "io=0x%x", irq
[i
], io
[i
] );
5726 if (init_airo_card( irq
[i
], io
[i
], 0, NULL
))
5735 airo_print_info("", "Probing for PCI adapters");
5736 i
= pci_register_driver(&airo_driver
);
5737 airo_print_info("", "Finished probing for PCI adapters");
5740 remove_proc_entry("aironet", proc_root_driver
);
5745 /* Always exit with success, as we are a library module
5746 * as well as a driver module
5751 static void __exit
airo_cleanup_module( void )
5753 while( airo_devices
) {
5754 airo_print_info(airo_devices
->dev
->name
, "Unregistering...\n");
5755 stop_airo_card( airo_devices
->dev
, 1 );
5758 pci_unregister_driver(&airo_driver
);
5760 remove_proc_entry("aironet", proc_root_driver
);
5764 * Initial Wireless Extension code for Aironet driver by :
5765 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5766 * Conversion to new driver API by :
5767 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5768 * Javier also did a good amount of work here, adding some new extensions
5769 * and fixing my code. Let's just say that without him this code just
5770 * would not work at all... - Jean II
5773 static u8
airo_rssi_to_dbm (tdsRssiEntry
*rssi_rid
, u8 rssi
)
5778 return (0x100 - rssi_rid
[rssi
].rssidBm
);
5781 static u8
airo_dbm_to_pct (tdsRssiEntry
*rssi_rid
, u8 dbm
)
5788 for( i
= 0; i
< 256; i
++ )
5789 if (rssi_rid
[i
].rssidBm
== dbm
)
5790 return rssi_rid
[i
].rssipct
;
5796 static int airo_get_quality (StatusRid
*status_rid
, CapabilityRid
*cap_rid
)
5800 if ((status_rid
->mode
& 0x3f) == 0x3f && (cap_rid
->hardCap
& 8)) {
5801 if (memcmp(cap_rid
->prodName
, "350", 3))
5802 if (status_rid
->signalQuality
> 0x20)
5805 quality
= 0x20 - status_rid
->signalQuality
;
5807 if (status_rid
->signalQuality
> 0xb0)
5809 else if (status_rid
->signalQuality
< 0x10)
5812 quality
= 0xb0 - status_rid
->signalQuality
;
5817 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5818 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5820 /*------------------------------------------------------------------*/
5822 * Wireless Handler : get protocol name
5824 static int airo_get_name(struct net_device
*dev
,
5825 struct iw_request_info
*info
,
5829 strcpy(cwrq
, "IEEE 802.11-DS");
5833 /*------------------------------------------------------------------*/
5835 * Wireless Handler : set frequency
5837 static int airo_set_freq(struct net_device
*dev
,
5838 struct iw_request_info
*info
,
5839 struct iw_freq
*fwrq
,
5842 struct airo_info
*local
= dev
->priv
;
5843 int rc
= -EINPROGRESS
; /* Call commit handler */
5845 /* If setting by frequency, convert to a channel */
5846 if((fwrq
->e
== 1) &&
5847 (fwrq
->m
>= (int) 2.412e8
) &&
5848 (fwrq
->m
<= (int) 2.487e8
)) {
5849 int f
= fwrq
->m
/ 100000;
5851 while((c
< 14) && (f
!= frequency_list
[c
]))
5853 /* Hack to fall through... */
5857 /* Setting by channel number */
5858 if((fwrq
->m
> 1000) || (fwrq
->e
> 0))
5861 int channel
= fwrq
->m
;
5862 /* We should do a better check than that,
5863 * based on the card capability !!! */
5864 if((channel
< 1) || (channel
> 14)) {
5865 airo_print_dbg(dev
->name
, "New channel value of %d is invalid!",
5869 readConfigRid(local
, 1);
5870 /* Yes ! We can set it !!! */
5871 local
->config
.channelSet
= (u16
) channel
;
5872 set_bit (FLAG_COMMIT
, &local
->flags
);
5878 /*------------------------------------------------------------------*/
5880 * Wireless Handler : get frequency
5882 static int airo_get_freq(struct net_device
*dev
,
5883 struct iw_request_info
*info
,
5884 struct iw_freq
*fwrq
,
5887 struct airo_info
*local
= dev
->priv
;
5888 StatusRid status_rid
; /* Card status info */
5891 readConfigRid(local
, 1);
5892 if ((local
->config
.opmode
& 0xFF) == MODE_STA_ESS
)
5893 status_rid
.channel
= local
->config
.channelSet
;
5895 readStatusRid(local
, &status_rid
, 1);
5897 ch
= (int)status_rid
.channel
;
5898 if((ch
> 0) && (ch
< 15)) {
5899 fwrq
->m
= frequency_list
[ch
- 1] * 100000;
5909 /*------------------------------------------------------------------*/
5911 * Wireless Handler : set ESSID
5913 static int airo_set_essid(struct net_device
*dev
,
5914 struct iw_request_info
*info
,
5915 struct iw_point
*dwrq
,
5918 struct airo_info
*local
= dev
->priv
;
5920 SsidRid SSID_rid
; /* SSIDs */
5922 /* Reload the list of current SSID */
5923 readSsidRid(local
, &SSID_rid
);
5925 /* Check if we asked for `any' */
5926 if(dwrq
->flags
== 0) {
5927 /* Just send an empty SSID list */
5928 memset(&SSID_rid
, 0, sizeof(SSID_rid
));
5930 int index
= (dwrq
->flags
& IW_ENCODE_INDEX
) - 1;
5932 /* Check the size of the string */
5933 if(dwrq
->length
> IW_ESSID_MAX_SIZE
) {
5936 /* Check if index is valid */
5937 if((index
< 0) || (index
>= 4)) {
5942 memset(SSID_rid
.ssids
[index
].ssid
, 0,
5943 sizeof(SSID_rid
.ssids
[index
].ssid
));
5944 memcpy(SSID_rid
.ssids
[index
].ssid
, extra
, dwrq
->length
);
5945 SSID_rid
.ssids
[index
].len
= dwrq
->length
;
5947 SSID_rid
.len
= sizeof(SSID_rid
);
5948 /* Write it to the card */
5949 disable_MAC(local
, 1);
5950 writeSsidRid(local
, &SSID_rid
, 1);
5951 enable_MAC(local
, &rsp
, 1);
5956 /*------------------------------------------------------------------*/
5958 * Wireless Handler : get ESSID
5960 static int airo_get_essid(struct net_device
*dev
,
5961 struct iw_request_info
*info
,
5962 struct iw_point
*dwrq
,
5965 struct airo_info
*local
= dev
->priv
;
5966 StatusRid status_rid
; /* Card status info */
5968 readStatusRid(local
, &status_rid
, 1);
5970 /* Note : if dwrq->flags != 0, we should
5971 * get the relevant SSID from the SSID list... */
5973 /* Get the current SSID */
5974 memcpy(extra
, status_rid
.SSID
, status_rid
.SSIDlen
);
5975 /* If none, we may want to get the one that was set */
5978 dwrq
->length
= status_rid
.SSIDlen
;
5979 dwrq
->flags
= 1; /* active */
5984 /*------------------------------------------------------------------*/
5986 * Wireless Handler : set AP address
5988 static int airo_set_wap(struct net_device
*dev
,
5989 struct iw_request_info
*info
,
5990 struct sockaddr
*awrq
,
5993 struct airo_info
*local
= dev
->priv
;
5996 APListRid APList_rid
;
5997 static const u8 any
[ETH_ALEN
] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5998 static const u8 off
[ETH_ALEN
] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
6000 if (awrq
->sa_family
!= ARPHRD_ETHER
)
6002 else if (!memcmp(any
, awrq
->sa_data
, ETH_ALEN
) ||
6003 !memcmp(off
, awrq
->sa_data
, ETH_ALEN
)) {
6004 memset(&cmd
, 0, sizeof(cmd
));
6005 cmd
.cmd
=CMD_LOSE_SYNC
;
6006 if (down_interruptible(&local
->sem
))
6007 return -ERESTARTSYS
;
6008 issuecommand(local
, &cmd
, &rsp
);
6011 memset(&APList_rid
, 0, sizeof(APList_rid
));
6012 APList_rid
.len
= sizeof(APList_rid
);
6013 memcpy(APList_rid
.ap
[0], awrq
->sa_data
, ETH_ALEN
);
6014 disable_MAC(local
, 1);
6015 writeAPListRid(local
, &APList_rid
, 1);
6016 enable_MAC(local
, &rsp
, 1);
6021 /*------------------------------------------------------------------*/
6023 * Wireless Handler : get AP address
6025 static int airo_get_wap(struct net_device
*dev
,
6026 struct iw_request_info
*info
,
6027 struct sockaddr
*awrq
,
6030 struct airo_info
*local
= dev
->priv
;
6031 StatusRid status_rid
; /* Card status info */
6033 readStatusRid(local
, &status_rid
, 1);
6035 /* Tentative. This seems to work, wow, I'm lucky !!! */
6036 memcpy(awrq
->sa_data
, status_rid
.bssid
[0], ETH_ALEN
);
6037 awrq
->sa_family
= ARPHRD_ETHER
;
6042 /*------------------------------------------------------------------*/
6044 * Wireless Handler : set Nickname
6046 static int airo_set_nick(struct net_device
*dev
,
6047 struct iw_request_info
*info
,
6048 struct iw_point
*dwrq
,
6051 struct airo_info
*local
= dev
->priv
;
6053 /* Check the size of the string */
6054 if(dwrq
->length
> 16) {
6057 readConfigRid(local
, 1);
6058 memset(local
->config
.nodeName
, 0, sizeof(local
->config
.nodeName
));
6059 memcpy(local
->config
.nodeName
, extra
, dwrq
->length
);
6060 set_bit (FLAG_COMMIT
, &local
->flags
);
6062 return -EINPROGRESS
; /* Call commit handler */
6065 /*------------------------------------------------------------------*/
6067 * Wireless Handler : get Nickname
6069 static int airo_get_nick(struct net_device
*dev
,
6070 struct iw_request_info
*info
,
6071 struct iw_point
*dwrq
,
6074 struct airo_info
*local
= dev
->priv
;
6076 readConfigRid(local
, 1);
6077 strncpy(extra
, local
->config
.nodeName
, 16);
6079 dwrq
->length
= strlen(extra
);
6084 /*------------------------------------------------------------------*/
6086 * Wireless Handler : set Bit-Rate
6088 static int airo_set_rate(struct net_device
*dev
,
6089 struct iw_request_info
*info
,
6090 struct iw_param
*vwrq
,
6093 struct airo_info
*local
= dev
->priv
;
6094 CapabilityRid cap_rid
; /* Card capability info */
6098 /* First : get a valid bit rate value */
6099 readCapabilityRid(local
, &cap_rid
, 1);
6101 /* Which type of value ? */
6102 if((vwrq
->value
< 8) && (vwrq
->value
>= 0)) {
6103 /* Setting by rate index */
6104 /* Find value in the magic rate table */
6105 brate
= cap_rid
.supportedRates
[vwrq
->value
];
6107 /* Setting by frequency value */
6108 u8 normvalue
= (u8
) (vwrq
->value
/500000);
6110 /* Check if rate is valid */
6111 for(i
= 0 ; i
< 8 ; i
++) {
6112 if(normvalue
== cap_rid
.supportedRates
[i
]) {
6118 /* -1 designed the max rate (mostly auto mode) */
6119 if(vwrq
->value
== -1) {
6120 /* Get the highest available rate */
6121 for(i
= 0 ; i
< 8 ; i
++) {
6122 if(cap_rid
.supportedRates
[i
] == 0)
6126 brate
= cap_rid
.supportedRates
[i
- 1];
6128 /* Check that it is valid */
6133 readConfigRid(local
, 1);
6134 /* Now, check if we want a fixed or auto value */
6135 if(vwrq
->fixed
== 0) {
6136 /* Fill all the rates up to this max rate */
6137 memset(local
->config
.rates
, 0, 8);
6138 for(i
= 0 ; i
< 8 ; i
++) {
6139 local
->config
.rates
[i
] = cap_rid
.supportedRates
[i
];
6140 if(local
->config
.rates
[i
] == brate
)
6145 /* One rate, fixed */
6146 memset(local
->config
.rates
, 0, 8);
6147 local
->config
.rates
[0] = brate
;
6149 set_bit (FLAG_COMMIT
, &local
->flags
);
6151 return -EINPROGRESS
; /* Call commit handler */
6154 /*------------------------------------------------------------------*/
6156 * Wireless Handler : get Bit-Rate
6158 static int airo_get_rate(struct net_device
*dev
,
6159 struct iw_request_info
*info
,
6160 struct iw_param
*vwrq
,
6163 struct airo_info
*local
= dev
->priv
;
6164 StatusRid status_rid
; /* Card status info */
6166 readStatusRid(local
, &status_rid
, 1);
6168 vwrq
->value
= status_rid
.currentXmitRate
* 500000;
6169 /* If more than one rate, set auto */
6170 readConfigRid(local
, 1);
6171 vwrq
->fixed
= (local
->config
.rates
[1] == 0);
6176 /*------------------------------------------------------------------*/
6178 * Wireless Handler : set RTS threshold
6180 static int airo_set_rts(struct net_device
*dev
,
6181 struct iw_request_info
*info
,
6182 struct iw_param
*vwrq
,
6185 struct airo_info
*local
= dev
->priv
;
6186 int rthr
= vwrq
->value
;
6189 rthr
= AIRO_DEF_MTU
;
6190 if((rthr
< 0) || (rthr
> AIRO_DEF_MTU
)) {
6193 readConfigRid(local
, 1);
6194 local
->config
.rtsThres
= rthr
;
6195 set_bit (FLAG_COMMIT
, &local
->flags
);
6197 return -EINPROGRESS
; /* Call commit handler */
6200 /*------------------------------------------------------------------*/
6202 * Wireless Handler : get RTS threshold
6204 static int airo_get_rts(struct net_device
*dev
,
6205 struct iw_request_info
*info
,
6206 struct iw_param
*vwrq
,
6209 struct airo_info
*local
= dev
->priv
;
6211 readConfigRid(local
, 1);
6212 vwrq
->value
= local
->config
.rtsThres
;
6213 vwrq
->disabled
= (vwrq
->value
>= AIRO_DEF_MTU
);
6219 /*------------------------------------------------------------------*/
6221 * Wireless Handler : set Fragmentation threshold
6223 static int airo_set_frag(struct net_device
*dev
,
6224 struct iw_request_info
*info
,
6225 struct iw_param
*vwrq
,
6228 struct airo_info
*local
= dev
->priv
;
6229 int fthr
= vwrq
->value
;
6232 fthr
= AIRO_DEF_MTU
;
6233 if((fthr
< 256) || (fthr
> AIRO_DEF_MTU
)) {
6236 fthr
&= ~0x1; /* Get an even value - is it really needed ??? */
6237 readConfigRid(local
, 1);
6238 local
->config
.fragThresh
= (u16
)fthr
;
6239 set_bit (FLAG_COMMIT
, &local
->flags
);
6241 return -EINPROGRESS
; /* Call commit handler */
6244 /*------------------------------------------------------------------*/
6246 * Wireless Handler : get Fragmentation threshold
6248 static int airo_get_frag(struct net_device
*dev
,
6249 struct iw_request_info
*info
,
6250 struct iw_param
*vwrq
,
6253 struct airo_info
*local
= dev
->priv
;
6255 readConfigRid(local
, 1);
6256 vwrq
->value
= local
->config
.fragThresh
;
6257 vwrq
->disabled
= (vwrq
->value
>= AIRO_DEF_MTU
);
6263 /*------------------------------------------------------------------*/
6265 * Wireless Handler : set Mode of Operation
6267 static int airo_set_mode(struct net_device
*dev
,
6268 struct iw_request_info
*info
,
6272 struct airo_info
*local
= dev
->priv
;
6275 readConfigRid(local
, 1);
6276 if ((local
->config
.rmode
& 0xff) >= RXMODE_RFMON
)
6281 local
->config
.opmode
&= 0xFF00;
6282 local
->config
.opmode
|= MODE_STA_IBSS
;
6283 local
->config
.rmode
&= 0xfe00;
6284 local
->config
.scanMode
= SCANMODE_ACTIVE
;
6285 clear_bit (FLAG_802_11
, &local
->flags
);
6288 local
->config
.opmode
&= 0xFF00;
6289 local
->config
.opmode
|= MODE_STA_ESS
;
6290 local
->config
.rmode
&= 0xfe00;
6291 local
->config
.scanMode
= SCANMODE_ACTIVE
;
6292 clear_bit (FLAG_802_11
, &local
->flags
);
6294 case IW_MODE_MASTER
:
6295 local
->config
.opmode
&= 0xFF00;
6296 local
->config
.opmode
|= MODE_AP
;
6297 local
->config
.rmode
&= 0xfe00;
6298 local
->config
.scanMode
= SCANMODE_ACTIVE
;
6299 clear_bit (FLAG_802_11
, &local
->flags
);
6301 case IW_MODE_REPEAT
:
6302 local
->config
.opmode
&= 0xFF00;
6303 local
->config
.opmode
|= MODE_AP_RPTR
;
6304 local
->config
.rmode
&= 0xfe00;
6305 local
->config
.scanMode
= SCANMODE_ACTIVE
;
6306 clear_bit (FLAG_802_11
, &local
->flags
);
6308 case IW_MODE_MONITOR
:
6309 local
->config
.opmode
&= 0xFF00;
6310 local
->config
.opmode
|= MODE_STA_ESS
;
6311 local
->config
.rmode
&= 0xfe00;
6312 local
->config
.rmode
|= RXMODE_RFMON
| RXMODE_DISABLE_802_3_HEADER
;
6313 local
->config
.scanMode
= SCANMODE_PASSIVE
;
6314 set_bit (FLAG_802_11
, &local
->flags
);
6320 set_bit (FLAG_RESET
, &local
->flags
);
6321 set_bit (FLAG_COMMIT
, &local
->flags
);
6323 return -EINPROGRESS
; /* Call commit handler */
6326 /*------------------------------------------------------------------*/
6328 * Wireless Handler : get Mode of Operation
6330 static int airo_get_mode(struct net_device
*dev
,
6331 struct iw_request_info
*info
,
6335 struct airo_info
*local
= dev
->priv
;
6337 readConfigRid(local
, 1);
6338 /* If not managed, assume it's ad-hoc */
6339 switch (local
->config
.opmode
& 0xFF) {
6341 *uwrq
= IW_MODE_INFRA
;
6344 *uwrq
= IW_MODE_MASTER
;
6347 *uwrq
= IW_MODE_REPEAT
;
6350 *uwrq
= IW_MODE_ADHOC
;
6356 /*------------------------------------------------------------------*/
6358 * Wireless Handler : set Encryption Key
6360 static int airo_set_encode(struct net_device
*dev
,
6361 struct iw_request_info
*info
,
6362 struct iw_point
*dwrq
,
6365 struct airo_info
*local
= dev
->priv
;
6366 CapabilityRid cap_rid
; /* Card capability info */
6367 int perm
= ( dwrq
->flags
& IW_ENCODE_TEMP
? 0 : 1 );
6368 u16 currentAuthType
= local
->config
.authType
;
6370 /* Is WEP supported ? */
6371 readCapabilityRid(local
, &cap_rid
, 1);
6372 /* Older firmware doesn't support this...
6373 if(!(cap_rid.softCap & 2)) {
6376 readConfigRid(local
, 1);
6378 /* Basic checking: do we have a key to set ?
6379 * Note : with the new API, it's impossible to get a NULL pointer.
6380 * Therefore, we need to check a key size == 0 instead.
6381 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6382 * when no key is present (only change flags), but older versions
6383 * don't do it. - Jean II */
6384 if (dwrq
->length
> 0) {
6386 int index
= (dwrq
->flags
& IW_ENCODE_INDEX
) - 1;
6387 int current_index
= get_wep_key(local
, 0xffff);
6388 /* Check the size of the key */
6389 if (dwrq
->length
> MAX_KEY_SIZE
) {
6392 /* Check the index (none -> use current) */
6393 if ((index
< 0) || (index
>= ((cap_rid
.softCap
& 0x80) ? 4:1)))
6394 index
= current_index
;
6395 /* Set the length */
6396 if (dwrq
->length
> MIN_KEY_SIZE
)
6397 key
.len
= MAX_KEY_SIZE
;
6399 if (dwrq
->length
> 0)
6400 key
.len
= MIN_KEY_SIZE
;
6402 /* Disable the key */
6404 /* Check if the key is not marked as invalid */
6405 if(!(dwrq
->flags
& IW_ENCODE_NOKEY
)) {
6407 memset(key
.key
, 0, MAX_KEY_SIZE
);
6408 /* Copy the key in the driver */
6409 memcpy(key
.key
, extra
, dwrq
->length
);
6410 /* Send the key to the card */
6411 set_wep_key(local
, index
, key
.key
, key
.len
, perm
, 1);
6413 /* WE specify that if a valid key is set, encryption
6414 * should be enabled (user may turn it off later)
6415 * This is also how "iwconfig ethX key on" works */
6416 if((index
== current_index
) && (key
.len
> 0) &&
6417 (local
->config
.authType
== AUTH_OPEN
)) {
6418 local
->config
.authType
= AUTH_ENCRYPT
;
6421 /* Do we want to just set the transmit key index ? */
6422 int index
= (dwrq
->flags
& IW_ENCODE_INDEX
) - 1;
6423 if ((index
>= 0) && (index
< ((cap_rid
.softCap
& 0x80)?4:1))) {
6424 set_wep_key(local
, index
, NULL
, 0, perm
, 1);
6426 /* Don't complain if only change the mode */
6427 if(!dwrq
->flags
& IW_ENCODE_MODE
) {
6431 /* Read the flags */
6432 if(dwrq
->flags
& IW_ENCODE_DISABLED
)
6433 local
->config
.authType
= AUTH_OPEN
; // disable encryption
6434 if(dwrq
->flags
& IW_ENCODE_RESTRICTED
)
6435 local
->config
.authType
= AUTH_SHAREDKEY
; // Only Both
6436 if(dwrq
->flags
& IW_ENCODE_OPEN
)
6437 local
->config
.authType
= AUTH_ENCRYPT
; // Only Wep
6438 /* Commit the changes to flags if needed */
6439 if (local
->config
.authType
!= currentAuthType
)
6440 set_bit (FLAG_COMMIT
, &local
->flags
);
6441 return -EINPROGRESS
; /* Call commit handler */
6444 /*------------------------------------------------------------------*/
6446 * Wireless Handler : get Encryption Key
6448 static int airo_get_encode(struct net_device
*dev
,
6449 struct iw_request_info
*info
,
6450 struct iw_point
*dwrq
,
6453 struct airo_info
*local
= dev
->priv
;
6454 int index
= (dwrq
->flags
& IW_ENCODE_INDEX
) - 1;
6455 CapabilityRid cap_rid
; /* Card capability info */
6457 /* Is it supported ? */
6458 readCapabilityRid(local
, &cap_rid
, 1);
6459 if(!(cap_rid
.softCap
& 2)) {
6462 readConfigRid(local
, 1);
6463 /* Check encryption mode */
6464 switch(local
->config
.authType
) {
6466 dwrq
->flags
= IW_ENCODE_OPEN
;
6468 case AUTH_SHAREDKEY
:
6469 dwrq
->flags
= IW_ENCODE_RESTRICTED
;
6473 dwrq
->flags
= IW_ENCODE_DISABLED
;
6476 /* We can't return the key, so set the proper flag and return zero */
6477 dwrq
->flags
|= IW_ENCODE_NOKEY
;
6478 memset(extra
, 0, 16);
6480 /* Which key do we want ? -1 -> tx index */
6481 if ((index
< 0) || (index
>= ((cap_rid
.softCap
& 0x80) ? 4 : 1)))
6482 index
= get_wep_key(local
, 0xffff);
6483 dwrq
->flags
|= index
+ 1;
6484 /* Copy the key to the user buffer */
6485 dwrq
->length
= get_wep_key(local
, index
);
6486 if (dwrq
->length
> 16) {
6492 /*------------------------------------------------------------------*/
6494 * Wireless Handler : set extended Encryption parameters
6496 static int airo_set_encodeext(struct net_device
*dev
,
6497 struct iw_request_info
*info
,
6498 union iwreq_data
*wrqu
,
6501 struct airo_info
*local
= dev
->priv
;
6502 struct iw_point
*encoding
= &wrqu
->encoding
;
6503 struct iw_encode_ext
*ext
= (struct iw_encode_ext
*)extra
;
6504 CapabilityRid cap_rid
; /* Card capability info */
6505 int perm
= ( encoding
->flags
& IW_ENCODE_TEMP
? 0 : 1 );
6506 u16 currentAuthType
= local
->config
.authType
;
6507 int idx
, key_len
, alg
= ext
->alg
, set_key
= 1;
6510 /* Is WEP supported ? */
6511 readCapabilityRid(local
, &cap_rid
, 1);
6512 /* Older firmware doesn't support this...
6513 if(!(cap_rid.softCap & 2)) {
6516 readConfigRid(local
, 1);
6518 /* Determine and validate the key index */
6519 idx
= encoding
->flags
& IW_ENCODE_INDEX
;
6521 if (idx
< 1 || idx
> ((cap_rid
.softCap
& 0x80) ? 4:1))
6525 idx
= get_wep_key(local
, 0xffff);
6527 if (encoding
->flags
& IW_ENCODE_DISABLED
)
6528 alg
= IW_ENCODE_ALG_NONE
;
6530 if (ext
->ext_flags
& IW_ENCODE_EXT_SET_TX_KEY
) {
6531 /* Only set transmit key index here, actual
6532 * key is set below if needed.
6534 set_wep_key(local
, idx
, NULL
, 0, perm
, 1);
6535 set_key
= ext
->key_len
> 0 ? 1 : 0;
6539 /* Set the requested key first */
6540 memset(key
.key
, 0, MAX_KEY_SIZE
);
6542 case IW_ENCODE_ALG_NONE
:
6545 case IW_ENCODE_ALG_WEP
:
6546 if (ext
->key_len
> MIN_KEY_SIZE
) {
6547 key
.len
= MAX_KEY_SIZE
;
6548 } else if (ext
->key_len
> 0) {
6549 key
.len
= MIN_KEY_SIZE
;
6553 key_len
= min (ext
->key_len
, key
.len
);
6554 memcpy(key
.key
, ext
->key
, key_len
);
6559 /* Send the key to the card */
6560 set_wep_key(local
, idx
, key
.key
, key
.len
, perm
, 1);
6563 /* Read the flags */
6564 if(encoding
->flags
& IW_ENCODE_DISABLED
)
6565 local
->config
.authType
= AUTH_OPEN
; // disable encryption
6566 if(encoding
->flags
& IW_ENCODE_RESTRICTED
)
6567 local
->config
.authType
= AUTH_SHAREDKEY
; // Only Both
6568 if(encoding
->flags
& IW_ENCODE_OPEN
)
6569 local
->config
.authType
= AUTH_ENCRYPT
; // Only Wep
6570 /* Commit the changes to flags if needed */
6571 if (local
->config
.authType
!= currentAuthType
)
6572 set_bit (FLAG_COMMIT
, &local
->flags
);
6574 return -EINPROGRESS
;
6578 /*------------------------------------------------------------------*/
6580 * Wireless Handler : get extended Encryption parameters
6582 static int airo_get_encodeext(struct net_device
*dev
,
6583 struct iw_request_info
*info
,
6584 union iwreq_data
*wrqu
,
6587 struct airo_info
*local
= dev
->priv
;
6588 struct iw_point
*encoding
= &wrqu
->encoding
;
6589 struct iw_encode_ext
*ext
= (struct iw_encode_ext
*)extra
;
6590 CapabilityRid cap_rid
; /* Card capability info */
6591 int idx
, max_key_len
;
6593 /* Is it supported ? */
6594 readCapabilityRid(local
, &cap_rid
, 1);
6595 if(!(cap_rid
.softCap
& 2)) {
6598 readConfigRid(local
, 1);
6600 max_key_len
= encoding
->length
- sizeof(*ext
);
6601 if (max_key_len
< 0)
6604 idx
= encoding
->flags
& IW_ENCODE_INDEX
;
6606 if (idx
< 1 || idx
> ((cap_rid
.softCap
& 0x80) ? 4:1))
6610 idx
= get_wep_key(local
, 0xffff);
6612 encoding
->flags
= idx
+ 1;
6613 memset(ext
, 0, sizeof(*ext
));
6615 /* Check encryption mode */
6616 switch(local
->config
.authType
) {
6618 encoding
->flags
= IW_ENCODE_ALG_WEP
| IW_ENCODE_ENABLED
;
6620 case AUTH_SHAREDKEY
:
6621 encoding
->flags
= IW_ENCODE_ALG_WEP
| IW_ENCODE_ENABLED
;
6625 encoding
->flags
= IW_ENCODE_ALG_NONE
| IW_ENCODE_DISABLED
;
6628 /* We can't return the key, so set the proper flag and return zero */
6629 encoding
->flags
|= IW_ENCODE_NOKEY
;
6630 memset(extra
, 0, 16);
6632 /* Copy the key to the user buffer */
6633 ext
->key_len
= get_wep_key(local
, idx
);
6634 if (ext
->key_len
> 16) {
6642 /*------------------------------------------------------------------*/
6644 * Wireless Handler : set extended authentication parameters
6646 static int airo_set_auth(struct net_device
*dev
,
6647 struct iw_request_info
*info
,
6648 union iwreq_data
*wrqu
, char *extra
)
6650 struct airo_info
*local
= dev
->priv
;
6651 struct iw_param
*param
= &wrqu
->param
;
6652 u16 currentAuthType
= local
->config
.authType
;
6654 switch (param
->flags
& IW_AUTH_INDEX
) {
6655 case IW_AUTH_WPA_VERSION
:
6656 case IW_AUTH_CIPHER_PAIRWISE
:
6657 case IW_AUTH_CIPHER_GROUP
:
6658 case IW_AUTH_KEY_MGMT
:
6659 case IW_AUTH_RX_UNENCRYPTED_EAPOL
:
6660 case IW_AUTH_PRIVACY_INVOKED
:
6662 * airo does not use these parameters
6666 case IW_AUTH_DROP_UNENCRYPTED
:
6668 /* Only change auth type if unencrypted */
6669 if (currentAuthType
== AUTH_OPEN
)
6670 local
->config
.authType
= AUTH_ENCRYPT
;
6672 local
->config
.authType
= AUTH_OPEN
;
6675 /* Commit the changes to flags if needed */
6676 if (local
->config
.authType
!= currentAuthType
)
6677 set_bit (FLAG_COMMIT
, &local
->flags
);
6680 case IW_AUTH_80211_AUTH_ALG
: {
6681 /* FIXME: What about AUTH_OPEN? This API seems to
6682 * disallow setting our auth to AUTH_OPEN.
6684 if (param
->value
& IW_AUTH_ALG_SHARED_KEY
) {
6685 local
->config
.authType
= AUTH_SHAREDKEY
;
6686 } else if (param
->value
& IW_AUTH_ALG_OPEN_SYSTEM
) {
6687 local
->config
.authType
= AUTH_ENCRYPT
;
6692 /* Commit the changes to flags if needed */
6693 if (local
->config
.authType
!= currentAuthType
)
6694 set_bit (FLAG_COMMIT
, &local
->flags
);
6697 case IW_AUTH_WPA_ENABLED
:
6698 /* Silently accept disable of WPA */
6699 if (param
->value
> 0)
6706 return -EINPROGRESS
;
6710 /*------------------------------------------------------------------*/
6712 * Wireless Handler : get extended authentication parameters
6714 static int airo_get_auth(struct net_device
*dev
,
6715 struct iw_request_info
*info
,
6716 union iwreq_data
*wrqu
, char *extra
)
6718 struct airo_info
*local
= dev
->priv
;
6719 struct iw_param
*param
= &wrqu
->param
;
6720 u16 currentAuthType
= local
->config
.authType
;
6722 switch (param
->flags
& IW_AUTH_INDEX
) {
6723 case IW_AUTH_DROP_UNENCRYPTED
:
6724 switch (currentAuthType
) {
6725 case AUTH_SHAREDKEY
:
6735 case IW_AUTH_80211_AUTH_ALG
:
6736 switch (currentAuthType
) {
6737 case AUTH_SHAREDKEY
:
6738 param
->value
= IW_AUTH_ALG_SHARED_KEY
;
6742 param
->value
= IW_AUTH_ALG_OPEN_SYSTEM
;
6747 case IW_AUTH_WPA_ENABLED
:
6758 /*------------------------------------------------------------------*/
6760 * Wireless Handler : set Tx-Power
6762 static int airo_set_txpow(struct net_device
*dev
,
6763 struct iw_request_info
*info
,
6764 struct iw_param
*vwrq
,
6767 struct airo_info
*local
= dev
->priv
;
6768 CapabilityRid cap_rid
; /* Card capability info */
6772 readCapabilityRid(local
, &cap_rid
, 1);
6774 if (vwrq
->disabled
) {
6775 set_bit (FLAG_RADIO_OFF
, &local
->flags
);
6776 set_bit (FLAG_COMMIT
, &local
->flags
);
6777 return -EINPROGRESS
; /* Call commit handler */
6779 if (vwrq
->flags
!= IW_TXPOW_MWATT
) {
6782 clear_bit (FLAG_RADIO_OFF
, &local
->flags
);
6783 for (i
= 0; cap_rid
.txPowerLevels
[i
] && (i
< 8); i
++)
6784 if ((vwrq
->value
==cap_rid
.txPowerLevels
[i
])) {
6785 readConfigRid(local
, 1);
6786 local
->config
.txPower
= vwrq
->value
;
6787 set_bit (FLAG_COMMIT
, &local
->flags
);
6788 rc
= -EINPROGRESS
; /* Call commit handler */
6794 /*------------------------------------------------------------------*/
6796 * Wireless Handler : get Tx-Power
6798 static int airo_get_txpow(struct net_device
*dev
,
6799 struct iw_request_info
*info
,
6800 struct iw_param
*vwrq
,
6803 struct airo_info
*local
= dev
->priv
;
6805 readConfigRid(local
, 1);
6806 vwrq
->value
= local
->config
.txPower
;
6807 vwrq
->fixed
= 1; /* No power control */
6808 vwrq
->disabled
= test_bit(FLAG_RADIO_OFF
, &local
->flags
);
6809 vwrq
->flags
= IW_TXPOW_MWATT
;
6814 /*------------------------------------------------------------------*/
6816 * Wireless Handler : set Retry limits
6818 static int airo_set_retry(struct net_device
*dev
,
6819 struct iw_request_info
*info
,
6820 struct iw_param
*vwrq
,
6823 struct airo_info
*local
= dev
->priv
;
6826 if(vwrq
->disabled
) {
6829 readConfigRid(local
, 1);
6830 if(vwrq
->flags
& IW_RETRY_LIMIT
) {
6831 if(vwrq
->flags
& IW_RETRY_LONG
)
6832 local
->config
.longRetryLimit
= vwrq
->value
;
6833 else if (vwrq
->flags
& IW_RETRY_SHORT
)
6834 local
->config
.shortRetryLimit
= vwrq
->value
;
6836 /* No modifier : set both */
6837 local
->config
.longRetryLimit
= vwrq
->value
;
6838 local
->config
.shortRetryLimit
= vwrq
->value
;
6840 set_bit (FLAG_COMMIT
, &local
->flags
);
6841 rc
= -EINPROGRESS
; /* Call commit handler */
6843 if(vwrq
->flags
& IW_RETRY_LIFETIME
) {
6844 local
->config
.txLifetime
= vwrq
->value
/ 1024;
6845 set_bit (FLAG_COMMIT
, &local
->flags
);
6846 rc
= -EINPROGRESS
; /* Call commit handler */
6851 /*------------------------------------------------------------------*/
6853 * Wireless Handler : get Retry limits
6855 static int airo_get_retry(struct net_device
*dev
,
6856 struct iw_request_info
*info
,
6857 struct iw_param
*vwrq
,
6860 struct airo_info
*local
= dev
->priv
;
6862 vwrq
->disabled
= 0; /* Can't be disabled */
6864 readConfigRid(local
, 1);
6865 /* Note : by default, display the min retry number */
6866 if((vwrq
->flags
& IW_RETRY_TYPE
) == IW_RETRY_LIFETIME
) {
6867 vwrq
->flags
= IW_RETRY_LIFETIME
;
6868 vwrq
->value
= (int)local
->config
.txLifetime
* 1024;
6869 } else if((vwrq
->flags
& IW_RETRY_LONG
)) {
6870 vwrq
->flags
= IW_RETRY_LIMIT
| IW_RETRY_LONG
;
6871 vwrq
->value
= (int)local
->config
.longRetryLimit
;
6873 vwrq
->flags
= IW_RETRY_LIMIT
;
6874 vwrq
->value
= (int)local
->config
.shortRetryLimit
;
6875 if((int)local
->config
.shortRetryLimit
!= (int)local
->config
.longRetryLimit
)
6876 vwrq
->flags
|= IW_RETRY_SHORT
;
6882 /*------------------------------------------------------------------*/
6884 * Wireless Handler : get range info
6886 static int airo_get_range(struct net_device
*dev
,
6887 struct iw_request_info
*info
,
6888 struct iw_point
*dwrq
,
6891 struct airo_info
*local
= dev
->priv
;
6892 struct iw_range
*range
= (struct iw_range
*) extra
;
6893 CapabilityRid cap_rid
; /* Card capability info */
6897 readCapabilityRid(local
, &cap_rid
, 1);
6899 dwrq
->length
= sizeof(struct iw_range
);
6900 memset(range
, 0, sizeof(*range
));
6901 range
->min_nwid
= 0x0000;
6902 range
->max_nwid
= 0x0000;
6903 range
->num_channels
= 14;
6904 /* Should be based on cap_rid.country to give only
6905 * what the current card support */
6907 for(i
= 0; i
< 14; i
++) {
6908 range
->freq
[k
].i
= i
+ 1; /* List index */
6909 range
->freq
[k
].m
= frequency_list
[i
] * 100000;
6910 range
->freq
[k
++].e
= 1; /* Values in table in MHz -> * 10^5 * 10 */
6912 range
->num_frequency
= k
;
6914 range
->sensitivity
= 65535;
6916 /* Hum... Should put the right values there */
6918 range
->max_qual
.qual
= 100; /* % */
6920 range
->max_qual
.qual
= airo_get_max_quality(&cap_rid
);
6921 range
->max_qual
.level
= 0x100 - 120; /* -120 dBm */
6922 range
->max_qual
.noise
= 0x100 - 120; /* -120 dBm */
6924 /* Experimental measurements - boundary 11/5.5 Mb/s */
6925 /* Note : with or without the (local->rssi), results
6926 * are somewhat different. - Jean II */
6928 range
->avg_qual
.qual
= 50; /* % */
6929 range
->avg_qual
.level
= 0x100 - 70; /* -70 dBm */
6931 range
->avg_qual
.qual
= airo_get_avg_quality(&cap_rid
);
6932 range
->avg_qual
.level
= 0x100 - 80; /* -80 dBm */
6934 range
->avg_qual
.noise
= 0x100 - 85; /* -85 dBm */
6936 for(i
= 0 ; i
< 8 ; i
++) {
6937 range
->bitrate
[i
] = cap_rid
.supportedRates
[i
] * 500000;
6938 if(range
->bitrate
[i
] == 0)
6941 range
->num_bitrates
= i
;
6943 /* Set an indication of the max TCP throughput
6944 * in bit/s that we can expect using this interface.
6945 * May be use for QoS stuff... Jean II */
6947 range
->throughput
= 5000 * 1000;
6949 range
->throughput
= 1500 * 1000;
6952 range
->max_rts
= AIRO_DEF_MTU
;
6953 range
->min_frag
= 256;
6954 range
->max_frag
= AIRO_DEF_MTU
;
6956 if(cap_rid
.softCap
& 2) {
6958 range
->encoding_size
[0] = 5;
6960 if (cap_rid
.softCap
& 0x100) {
6961 range
->encoding_size
[1] = 13;
6962 range
->num_encoding_sizes
= 2;
6964 range
->num_encoding_sizes
= 1;
6965 range
->max_encoding_tokens
= (cap_rid
.softCap
& 0x80) ? 4 : 1;
6967 range
->num_encoding_sizes
= 0;
6968 range
->max_encoding_tokens
= 0;
6971 range
->max_pmp
= 5000000; /* 5 secs */
6973 range
->max_pmt
= 65535 * 1024; /* ??? */
6974 range
->pmp_flags
= IW_POWER_PERIOD
;
6975 range
->pmt_flags
= IW_POWER_TIMEOUT
;
6976 range
->pm_capa
= IW_POWER_PERIOD
| IW_POWER_TIMEOUT
| IW_POWER_ALL_R
;
6978 /* Transmit Power - values are in mW */
6979 for(i
= 0 ; i
< 8 ; i
++) {
6980 range
->txpower
[i
] = cap_rid
.txPowerLevels
[i
];
6981 if(range
->txpower
[i
] == 0)
6984 range
->num_txpower
= i
;
6985 range
->txpower_capa
= IW_TXPOW_MWATT
;
6986 range
->we_version_source
= 19;
6987 range
->we_version_compiled
= WIRELESS_EXT
;
6988 range
->retry_capa
= IW_RETRY_LIMIT
| IW_RETRY_LIFETIME
;
6989 range
->retry_flags
= IW_RETRY_LIMIT
;
6990 range
->r_time_flags
= IW_RETRY_LIFETIME
;
6991 range
->min_retry
= 1;
6992 range
->max_retry
= 65535;
6993 range
->min_r_time
= 1024;
6994 range
->max_r_time
= 65535 * 1024;
6996 /* Event capability (kernel + driver) */
6997 range
->event_capa
[0] = (IW_EVENT_CAPA_K_0
|
6998 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY
) |
6999 IW_EVENT_CAPA_MASK(SIOCGIWAP
) |
7000 IW_EVENT_CAPA_MASK(SIOCGIWSCAN
));
7001 range
->event_capa
[1] = IW_EVENT_CAPA_K_1
;
7002 range
->event_capa
[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP
);
7006 /*------------------------------------------------------------------*/
7008 * Wireless Handler : set Power Management
7010 static int airo_set_power(struct net_device
*dev
,
7011 struct iw_request_info
*info
,
7012 struct iw_param
*vwrq
,
7015 struct airo_info
*local
= dev
->priv
;
7017 readConfigRid(local
, 1);
7018 if (vwrq
->disabled
) {
7019 if ((local
->config
.rmode
& 0xFF) >= RXMODE_RFMON
) {
7022 local
->config
.powerSaveMode
= POWERSAVE_CAM
;
7023 local
->config
.rmode
&= 0xFF00;
7024 local
->config
.rmode
|= RXMODE_BC_MC_ADDR
;
7025 set_bit (FLAG_COMMIT
, &local
->flags
);
7026 return -EINPROGRESS
; /* Call commit handler */
7028 if ((vwrq
->flags
& IW_POWER_TYPE
) == IW_POWER_TIMEOUT
) {
7029 local
->config
.fastListenDelay
= (vwrq
->value
+ 500) / 1024;
7030 local
->config
.powerSaveMode
= POWERSAVE_PSPCAM
;
7031 set_bit (FLAG_COMMIT
, &local
->flags
);
7032 } else if ((vwrq
->flags
& IW_POWER_TYPE
) == IW_POWER_PERIOD
) {
7033 local
->config
.fastListenInterval
= local
->config
.listenInterval
= (vwrq
->value
+ 500) / 1024;
7034 local
->config
.powerSaveMode
= POWERSAVE_PSPCAM
;
7035 set_bit (FLAG_COMMIT
, &local
->flags
);
7037 switch (vwrq
->flags
& IW_POWER_MODE
) {
7038 case IW_POWER_UNICAST_R
:
7039 if ((local
->config
.rmode
& 0xFF) >= RXMODE_RFMON
) {
7042 local
->config
.rmode
&= 0xFF00;
7043 local
->config
.rmode
|= RXMODE_ADDR
;
7044 set_bit (FLAG_COMMIT
, &local
->flags
);
7046 case IW_POWER_ALL_R
:
7047 if ((local
->config
.rmode
& 0xFF) >= RXMODE_RFMON
) {
7050 local
->config
.rmode
&= 0xFF00;
7051 local
->config
.rmode
|= RXMODE_BC_MC_ADDR
;
7052 set_bit (FLAG_COMMIT
, &local
->flags
);
7054 /* This is broken, fixme ;-) */
7059 // Note : we may want to factor local->need_commit here
7060 // Note2 : may also want to factor RXMODE_RFMON test
7061 return -EINPROGRESS
; /* Call commit handler */
7064 /*------------------------------------------------------------------*/
7066 * Wireless Handler : get Power Management
7068 static int airo_get_power(struct net_device
*dev
,
7069 struct iw_request_info
*info
,
7070 struct iw_param
*vwrq
,
7073 struct airo_info
*local
= dev
->priv
;
7076 readConfigRid(local
, 1);
7077 mode
= local
->config
.powerSaveMode
;
7078 if ((vwrq
->disabled
= (mode
== POWERSAVE_CAM
)))
7080 if ((vwrq
->flags
& IW_POWER_TYPE
) == IW_POWER_TIMEOUT
) {
7081 vwrq
->value
= (int)local
->config
.fastListenDelay
* 1024;
7082 vwrq
->flags
= IW_POWER_TIMEOUT
;
7084 vwrq
->value
= (int)local
->config
.fastListenInterval
* 1024;
7085 vwrq
->flags
= IW_POWER_PERIOD
;
7087 if ((local
->config
.rmode
& 0xFF) == RXMODE_ADDR
)
7088 vwrq
->flags
|= IW_POWER_UNICAST_R
;
7090 vwrq
->flags
|= IW_POWER_ALL_R
;
7095 /*------------------------------------------------------------------*/
7097 * Wireless Handler : set Sensitivity
7099 static int airo_set_sens(struct net_device
*dev
,
7100 struct iw_request_info
*info
,
7101 struct iw_param
*vwrq
,
7104 struct airo_info
*local
= dev
->priv
;
7106 readConfigRid(local
, 1);
7107 local
->config
.rssiThreshold
= vwrq
->disabled
? RSSI_DEFAULT
: vwrq
->value
;
7108 set_bit (FLAG_COMMIT
, &local
->flags
);
7110 return -EINPROGRESS
; /* Call commit handler */
7113 /*------------------------------------------------------------------*/
7115 * Wireless Handler : get Sensitivity
7117 static int airo_get_sens(struct net_device
*dev
,
7118 struct iw_request_info
*info
,
7119 struct iw_param
*vwrq
,
7122 struct airo_info
*local
= dev
->priv
;
7124 readConfigRid(local
, 1);
7125 vwrq
->value
= local
->config
.rssiThreshold
;
7126 vwrq
->disabled
= (vwrq
->value
== 0);
7132 /*------------------------------------------------------------------*/
7134 * Wireless Handler : get AP List
7135 * Note : this is deprecated in favor of IWSCAN
7137 static int airo_get_aplist(struct net_device
*dev
,
7138 struct iw_request_info
*info
,
7139 struct iw_point
*dwrq
,
7142 struct airo_info
*local
= dev
->priv
;
7143 struct sockaddr
*address
= (struct sockaddr
*) extra
;
7144 struct iw_quality qual
[IW_MAX_AP
];
7147 int loseSync
= capable(CAP_NET_ADMIN
) ? 1: -1;
7149 for (i
= 0; i
< IW_MAX_AP
; i
++) {
7150 if (readBSSListRid(local
, loseSync
, &BSSList
))
7153 memcpy(address
[i
].sa_data
, BSSList
.bssid
, ETH_ALEN
);
7154 address
[i
].sa_family
= ARPHRD_ETHER
;
7156 qual
[i
].level
= 0x100 - BSSList
.dBm
;
7157 qual
[i
].qual
= airo_dbm_to_pct( local
->rssi
, BSSList
.dBm
);
7158 qual
[i
].updated
= IW_QUAL_QUAL_UPDATED
7159 | IW_QUAL_LEVEL_UPDATED
7162 qual
[i
].level
= (BSSList
.dBm
+ 321) / 2;
7164 qual
[i
].updated
= IW_QUAL_QUAL_INVALID
7165 | IW_QUAL_LEVEL_UPDATED
7168 qual
[i
].noise
= local
->wstats
.qual
.noise
;
7169 if (BSSList
.index
== 0xffff)
7173 StatusRid status_rid
; /* Card status info */
7174 readStatusRid(local
, &status_rid
, 1);
7176 i
< min(IW_MAX_AP
, 4) &&
7177 (status_rid
.bssid
[i
][0]
7178 & status_rid
.bssid
[i
][1]
7179 & status_rid
.bssid
[i
][2]
7180 & status_rid
.bssid
[i
][3]
7181 & status_rid
.bssid
[i
][4]
7182 & status_rid
.bssid
[i
][5])!=0xff &&
7183 (status_rid
.bssid
[i
][0]
7184 | status_rid
.bssid
[i
][1]
7185 | status_rid
.bssid
[i
][2]
7186 | status_rid
.bssid
[i
][3]
7187 | status_rid
.bssid
[i
][4]
7188 | status_rid
.bssid
[i
][5]);
7190 memcpy(address
[i
].sa_data
,
7191 status_rid
.bssid
[i
], ETH_ALEN
);
7192 address
[i
].sa_family
= ARPHRD_ETHER
;
7195 dwrq
->flags
= 1; /* Should be define'd */
7196 memcpy(extra
+ sizeof(struct sockaddr
)*i
,
7197 &qual
, sizeof(struct iw_quality
)*i
);
7204 /*------------------------------------------------------------------*/
7206 * Wireless Handler : Initiate Scan
7208 static int airo_set_scan(struct net_device
*dev
,
7209 struct iw_request_info
*info
,
7210 struct iw_param
*vwrq
,
7213 struct airo_info
*ai
= dev
->priv
;
7218 /* Note : you may have realised that, as this is a SET operation,
7219 * this is privileged and therefore a normal user can't
7221 * This is not an error, while the device perform scanning,
7222 * traffic doesn't flow, so it's a perfect DoS...
7224 if (ai
->flags
& FLAG_RADIO_MASK
) return -ENETDOWN
;
7226 if (down_interruptible(&ai
->sem
))
7227 return -ERESTARTSYS
;
7229 /* If there's already a scan in progress, don't
7230 * trigger another one. */
7231 if (ai
->scan_timeout
> 0)
7234 /* Initiate a scan command */
7235 ai
->scan_timeout
= RUN_AT(3*HZ
);
7236 memset(&cmd
, 0, sizeof(cmd
));
7237 cmd
.cmd
=CMD_LISTBSS
;
7238 issuecommand(ai
, &cmd
, &rsp
);
7244 wake_up_interruptible(&ai
->thr_wait
);
7248 /*------------------------------------------------------------------*/
7250 * Translate scan data returned from the card to a card independent
7251 * format that the Wireless Tools will understand - Jean II
7253 static inline char *airo_translate_scan(struct net_device
*dev
,
7258 struct airo_info
*ai
= dev
->priv
;
7259 struct iw_event iwe
; /* Temporary buffer */
7261 char * current_val
; /* For rates */
7265 /* First entry *MUST* be the AP MAC address */
7266 iwe
.cmd
= SIOCGIWAP
;
7267 iwe
.u
.ap_addr
.sa_family
= ARPHRD_ETHER
;
7268 memcpy(iwe
.u
.ap_addr
.sa_data
, bss
->bssid
, ETH_ALEN
);
7269 current_ev
= iwe_stream_add_event(current_ev
, end_buf
, &iwe
, IW_EV_ADDR_LEN
);
7271 /* Other entries will be displayed in the order we give them */
7274 iwe
.u
.data
.length
= bss
->ssidLen
;
7275 if(iwe
.u
.data
.length
> 32)
7276 iwe
.u
.data
.length
= 32;
7277 iwe
.cmd
= SIOCGIWESSID
;
7278 iwe
.u
.data
.flags
= 1;
7279 current_ev
= iwe_stream_add_point(current_ev
, end_buf
, &iwe
, bss
->ssid
);
7282 iwe
.cmd
= SIOCGIWMODE
;
7283 capabilities
= le16_to_cpu(bss
->cap
);
7284 if(capabilities
& (CAP_ESS
| CAP_IBSS
)) {
7285 if(capabilities
& CAP_ESS
)
7286 iwe
.u
.mode
= IW_MODE_MASTER
;
7288 iwe
.u
.mode
= IW_MODE_ADHOC
;
7289 current_ev
= iwe_stream_add_event(current_ev
, end_buf
, &iwe
, IW_EV_UINT_LEN
);
7293 iwe
.cmd
= SIOCGIWFREQ
;
7294 iwe
.u
.freq
.m
= le16_to_cpu(bss
->dsChannel
);
7295 /* iwe.u.freq.m containt the channel (starting 1), our
7296 * frequency_list array start at index 0...
7298 iwe
.u
.freq
.m
= frequency_list
[iwe
.u
.freq
.m
- 1] * 100000;
7300 current_ev
= iwe_stream_add_event(current_ev
, end_buf
, &iwe
, IW_EV_FREQ_LEN
);
7302 /* Add quality statistics */
7305 iwe
.u
.qual
.level
= 0x100 - bss
->dBm
;
7306 iwe
.u
.qual
.qual
= airo_dbm_to_pct( ai
->rssi
, bss
->dBm
);
7307 iwe
.u
.qual
.updated
= IW_QUAL_QUAL_UPDATED
7308 | IW_QUAL_LEVEL_UPDATED
7311 iwe
.u
.qual
.level
= (bss
->dBm
+ 321) / 2;
7312 iwe
.u
.qual
.qual
= 0;
7313 iwe
.u
.qual
.updated
= IW_QUAL_QUAL_INVALID
7314 | IW_QUAL_LEVEL_UPDATED
7317 iwe
.u
.qual
.noise
= ai
->wstats
.qual
.noise
;
7318 current_ev
= iwe_stream_add_event(current_ev
, end_buf
, &iwe
, IW_EV_QUAL_LEN
);
7320 /* Add encryption capability */
7321 iwe
.cmd
= SIOCGIWENCODE
;
7322 if(capabilities
& CAP_PRIVACY
)
7323 iwe
.u
.data
.flags
= IW_ENCODE_ENABLED
| IW_ENCODE_NOKEY
;
7325 iwe
.u
.data
.flags
= IW_ENCODE_DISABLED
;
7326 iwe
.u
.data
.length
= 0;
7327 current_ev
= iwe_stream_add_point(current_ev
, end_buf
, &iwe
, bss
->ssid
);
7329 /* Rate : stuffing multiple values in a single event require a bit
7330 * more of magic - Jean II */
7331 current_val
= current_ev
+ IW_EV_LCP_LEN
;
7333 iwe
.cmd
= SIOCGIWRATE
;
7334 /* Those two flags are ignored... */
7335 iwe
.u
.bitrate
.fixed
= iwe
.u
.bitrate
.disabled
= 0;
7337 for(i
= 0 ; i
< 8 ; i
++) {
7338 /* NULL terminated */
7339 if(bss
->rates
[i
] == 0)
7341 /* Bit rate given in 500 kb/s units (+ 0x80) */
7342 iwe
.u
.bitrate
.value
= ((bss
->rates
[i
] & 0x7f) * 500000);
7343 /* Add new value to event */
7344 current_val
= iwe_stream_add_value(current_ev
, current_val
, end_buf
, &iwe
, IW_EV_PARAM_LEN
);
7346 /* Check if we added any event */
7347 if((current_val
- current_ev
) > IW_EV_LCP_LEN
)
7348 current_ev
= current_val
;
7350 /* Beacon interval */
7351 buf
= kmalloc(30, GFP_KERNEL
);
7353 iwe
.cmd
= IWEVCUSTOM
;
7354 sprintf(buf
, "bcn_int=%d", bss
->beaconInterval
);
7355 iwe
.u
.data
.length
= strlen(buf
);
7356 current_ev
= iwe_stream_add_point(current_ev
, end_buf
, &iwe
, buf
);
7360 /* Put WPA/RSN Information Elements into the event stream */
7361 if (test_bit(FLAG_WPA_CAPABLE
, &ai
->flags
)) {
7362 unsigned int num_null_ies
= 0;
7363 u16 length
= sizeof (bss
->extra
.iep
);
7364 struct ieee80211_info_element
*info_element
=
7365 (struct ieee80211_info_element
*) &bss
->extra
.iep
;
7367 while ((length
>= sizeof(*info_element
)) && (num_null_ies
< 2)) {
7368 if (sizeof(*info_element
) + info_element
->len
> length
) {
7369 /* Invalid element, don't continue parsing IE */
7373 switch (info_element
->id
) {
7374 case MFIE_TYPE_SSID
:
7375 /* Two zero-length SSID elements
7376 * mean we're done parsing elements */
7377 if (!info_element
->len
)
7381 case MFIE_TYPE_GENERIC
:
7382 if (info_element
->len
>= 4 &&
7383 info_element
->data
[0] == 0x00 &&
7384 info_element
->data
[1] == 0x50 &&
7385 info_element
->data
[2] == 0xf2 &&
7386 info_element
->data
[3] == 0x01) {
7387 iwe
.cmd
= IWEVGENIE
;
7388 iwe
.u
.data
.length
= min(info_element
->len
+ 2,
7390 current_ev
= iwe_stream_add_point(current_ev
, end_buf
,
7391 &iwe
, (char *) info_element
);
7396 iwe
.cmd
= IWEVGENIE
;
7397 iwe
.u
.data
.length
= min(info_element
->len
+ 2,
7399 current_ev
= iwe_stream_add_point(current_ev
, end_buf
,
7400 &iwe
, (char *) info_element
);
7407 length
-= sizeof(*info_element
) + info_element
->len
;
7409 (struct ieee80211_info_element
*)&info_element
->
7410 data
[info_element
->len
];
7416 /*------------------------------------------------------------------*/
7418 * Wireless Handler : Read Scan Results
7420 static int airo_get_scan(struct net_device
*dev
,
7421 struct iw_request_info
*info
,
7422 struct iw_point
*dwrq
,
7425 struct airo_info
*ai
= dev
->priv
;
7426 BSSListElement
*net
;
7428 char *current_ev
= extra
;
7430 /* If a scan is in-progress, return -EAGAIN */
7431 if (ai
->scan_timeout
> 0)
7434 if (down_interruptible(&ai
->sem
))
7437 list_for_each_entry (net
, &ai
->network_list
, list
) {
7438 /* Translate to WE format this entry */
7439 current_ev
= airo_translate_scan(dev
, current_ev
,
7440 extra
+ dwrq
->length
,
7443 /* Check if there is space for one more entry */
7444 if((extra
+ dwrq
->length
- current_ev
) <= IW_EV_ADDR_LEN
) {
7445 /* Ask user space to try again with a bigger buffer */
7451 /* Length of data */
7452 dwrq
->length
= (current_ev
- extra
);
7453 dwrq
->flags
= 0; /* todo */
7460 /*------------------------------------------------------------------*/
7462 * Commit handler : called after a bunch of SET operations
7464 static int airo_config_commit(struct net_device
*dev
,
7465 struct iw_request_info
*info
, /* NULL */
7466 void *zwrq
, /* NULL */
7467 char *extra
) /* NULL */
7469 struct airo_info
*local
= dev
->priv
;
7472 if (!test_bit (FLAG_COMMIT
, &local
->flags
))
7475 /* Some of the "SET" function may have modified some of the
7476 * parameters. It's now time to commit them in the card */
7477 disable_MAC(local
, 1);
7478 if (test_bit (FLAG_RESET
, &local
->flags
)) {
7479 APListRid APList_rid
;
7482 readAPListRid(local
, &APList_rid
);
7483 readSsidRid(local
, &SSID_rid
);
7484 if (test_bit(FLAG_MPI
,&local
->flags
))
7485 setup_card(local
, dev
->dev_addr
, 1 );
7487 reset_airo_card(dev
);
7488 disable_MAC(local
, 1);
7489 writeSsidRid(local
, &SSID_rid
, 1);
7490 writeAPListRid(local
, &APList_rid
, 1);
7492 if (down_interruptible(&local
->sem
))
7493 return -ERESTARTSYS
;
7494 writeConfigRid(local
, 0);
7495 enable_MAC(local
, &rsp
, 0);
7496 if (test_bit (FLAG_RESET
, &local
->flags
))
7497 airo_set_promisc(local
);
7504 /*------------------------------------------------------------------*/
7506 * Structures to export the Wireless Handlers
7509 static const struct iw_priv_args airo_private_args
[] = {
7510 /*{ cmd, set_args, get_args, name } */
7511 { AIROIOCTL
, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| sizeof (aironet_ioctl
),
7512 IW_PRIV_TYPE_BYTE
| 2047, "airoioctl" },
7513 { AIROIDIFC
, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| sizeof (aironet_ioctl
),
7514 IW_PRIV_TYPE_INT
| IW_PRIV_SIZE_FIXED
| 1, "airoidifc" },
7517 static const iw_handler airo_handler
[] =
7519 (iw_handler
) airo_config_commit
, /* SIOCSIWCOMMIT */
7520 (iw_handler
) airo_get_name
, /* SIOCGIWNAME */
7521 (iw_handler
) NULL
, /* SIOCSIWNWID */
7522 (iw_handler
) NULL
, /* SIOCGIWNWID */
7523 (iw_handler
) airo_set_freq
, /* SIOCSIWFREQ */
7524 (iw_handler
) airo_get_freq
, /* SIOCGIWFREQ */
7525 (iw_handler
) airo_set_mode
, /* SIOCSIWMODE */
7526 (iw_handler
) airo_get_mode
, /* SIOCGIWMODE */
7527 (iw_handler
) airo_set_sens
, /* SIOCSIWSENS */
7528 (iw_handler
) airo_get_sens
, /* SIOCGIWSENS */
7529 (iw_handler
) NULL
, /* SIOCSIWRANGE */
7530 (iw_handler
) airo_get_range
, /* SIOCGIWRANGE */
7531 (iw_handler
) NULL
, /* SIOCSIWPRIV */
7532 (iw_handler
) NULL
, /* SIOCGIWPRIV */
7533 (iw_handler
) NULL
, /* SIOCSIWSTATS */
7534 (iw_handler
) NULL
, /* SIOCGIWSTATS */
7535 iw_handler_set_spy
, /* SIOCSIWSPY */
7536 iw_handler_get_spy
, /* SIOCGIWSPY */
7537 iw_handler_set_thrspy
, /* SIOCSIWTHRSPY */
7538 iw_handler_get_thrspy
, /* SIOCGIWTHRSPY */
7539 (iw_handler
) airo_set_wap
, /* SIOCSIWAP */
7540 (iw_handler
) airo_get_wap
, /* SIOCGIWAP */
7541 (iw_handler
) NULL
, /* -- hole -- */
7542 (iw_handler
) airo_get_aplist
, /* SIOCGIWAPLIST */
7543 (iw_handler
) airo_set_scan
, /* SIOCSIWSCAN */
7544 (iw_handler
) airo_get_scan
, /* SIOCGIWSCAN */
7545 (iw_handler
) airo_set_essid
, /* SIOCSIWESSID */
7546 (iw_handler
) airo_get_essid
, /* SIOCGIWESSID */
7547 (iw_handler
) airo_set_nick
, /* SIOCSIWNICKN */
7548 (iw_handler
) airo_get_nick
, /* SIOCGIWNICKN */
7549 (iw_handler
) NULL
, /* -- hole -- */
7550 (iw_handler
) NULL
, /* -- hole -- */
7551 (iw_handler
) airo_set_rate
, /* SIOCSIWRATE */
7552 (iw_handler
) airo_get_rate
, /* SIOCGIWRATE */
7553 (iw_handler
) airo_set_rts
, /* SIOCSIWRTS */
7554 (iw_handler
) airo_get_rts
, /* SIOCGIWRTS */
7555 (iw_handler
) airo_set_frag
, /* SIOCSIWFRAG */
7556 (iw_handler
) airo_get_frag
, /* SIOCGIWFRAG */
7557 (iw_handler
) airo_set_txpow
, /* SIOCSIWTXPOW */
7558 (iw_handler
) airo_get_txpow
, /* SIOCGIWTXPOW */
7559 (iw_handler
) airo_set_retry
, /* SIOCSIWRETRY */
7560 (iw_handler
) airo_get_retry
, /* SIOCGIWRETRY */
7561 (iw_handler
) airo_set_encode
, /* SIOCSIWENCODE */
7562 (iw_handler
) airo_get_encode
, /* SIOCGIWENCODE */
7563 (iw_handler
) airo_set_power
, /* SIOCSIWPOWER */
7564 (iw_handler
) airo_get_power
, /* SIOCGIWPOWER */
7565 (iw_handler
) NULL
, /* -- hole -- */
7566 (iw_handler
) NULL
, /* -- hole -- */
7567 (iw_handler
) NULL
, /* SIOCSIWGENIE */
7568 (iw_handler
) NULL
, /* SIOCGIWGENIE */
7569 (iw_handler
) airo_set_auth
, /* SIOCSIWAUTH */
7570 (iw_handler
) airo_get_auth
, /* SIOCGIWAUTH */
7571 (iw_handler
) airo_set_encodeext
, /* SIOCSIWENCODEEXT */
7572 (iw_handler
) airo_get_encodeext
, /* SIOCGIWENCODEEXT */
7573 (iw_handler
) NULL
, /* SIOCSIWPMKSA */
7576 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7577 * We want to force the use of the ioctl code, because those can't be
7578 * won't work the iw_handler code (because they simultaneously read
7579 * and write data and iw_handler can't do that).
7580 * Note that it's perfectly legal to read/write on a single ioctl command,
7581 * you just can't use iwpriv and need to force it via the ioctl handler.
7583 static const iw_handler airo_private_handler
[] =
7585 NULL
, /* SIOCIWFIRSTPRIV */
7588 static const struct iw_handler_def airo_handler_def
=
7590 .num_standard
= sizeof(airo_handler
)/sizeof(iw_handler
),
7591 .num_private
= sizeof(airo_private_handler
)/sizeof(iw_handler
),
7592 .num_private_args
= sizeof(airo_private_args
)/sizeof(struct iw_priv_args
),
7593 .standard
= airo_handler
,
7594 .private = airo_private_handler
,
7595 .private_args
= airo_private_args
,
7596 .get_wireless_stats
= airo_get_wireless_stats
,
7600 * This defines the configuration part of the Wireless Extensions
7601 * Note : irq and spinlock protection will occur in the subroutines
7604 * o Check input value more carefully and fill correct values in range
7605 * o Test and shakeout the bugs (if any)
7609 * Javier Achirica did a great job of merging code from the unnamed CISCO
7610 * developer that added support for flashing the card.
7612 static int airo_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
)
7615 struct airo_info
*ai
= (struct airo_info
*)dev
->priv
;
7617 if (ai
->power
.event
)
7627 int val
= AIROMAGIC
;
7629 if (copy_from_user(&com
,rq
->ifr_data
,sizeof(com
)))
7631 else if (copy_to_user(com
.data
,(char *)&val
,sizeof(val
)))
7640 /* Get the command struct and hand it off for evaluation by
7641 * the proper subfunction
7645 if (copy_from_user(&com
,rq
->ifr_data
,sizeof(com
))) {
7650 /* Separate R/W functions bracket legality here
7652 if ( com
.command
== AIRORSWVERSION
) {
7653 if (copy_to_user(com
.data
, swversion
, sizeof(swversion
)))
7658 else if ( com
.command
<= AIRORRID
)
7659 rc
= readrids(dev
,&com
);
7660 else if ( com
.command
>= AIROPCAP
&& com
.command
<= (AIROPLEAPUSR
+2) )
7661 rc
= writerids(dev
,&com
);
7662 else if ( com
.command
>= AIROFLSHRST
&& com
.command
<= AIRORESTART
)
7663 rc
= flashcard(dev
,&com
);
7665 rc
= -EINVAL
; /* Bad command in ioctl */
7668 #endif /* CISCO_EXT */
7670 // All other calls are currently unsupported
7678 * Get the Wireless stats out of the driver
7679 * Note : irq and spinlock protection will occur in the subroutines
7682 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7686 static void airo_read_wireless_stats(struct airo_info
*local
)
7688 StatusRid status_rid
;
7690 CapabilityRid cap_rid
;
7691 u32
*vals
= stats_rid
.vals
;
7693 /* Get stats out of the card */
7694 clear_bit(JOB_WSTATS
, &local
->jobs
);
7695 if (local
->power
.event
) {
7699 readCapabilityRid(local
, &cap_rid
, 0);
7700 readStatusRid(local
, &status_rid
, 0);
7701 readStatsRid(local
, &stats_rid
, RID_STATS
, 0);
7705 local
->wstats
.status
= status_rid
.mode
;
7707 /* Signal quality and co */
7709 local
->wstats
.qual
.level
= airo_rssi_to_dbm( local
->rssi
, status_rid
.sigQuality
);
7710 /* normalizedSignalStrength appears to be a percentage */
7711 local
->wstats
.qual
.qual
= status_rid
.normalizedSignalStrength
;
7713 local
->wstats
.qual
.level
= (status_rid
.normalizedSignalStrength
+ 321) / 2;
7714 local
->wstats
.qual
.qual
= airo_get_quality(&status_rid
, &cap_rid
);
7716 if (status_rid
.len
>= 124) {
7717 local
->wstats
.qual
.noise
= 0x100 - status_rid
.noisedBm
;
7718 local
->wstats
.qual
.updated
= IW_QUAL_ALL_UPDATED
| IW_QUAL_DBM
;
7720 local
->wstats
.qual
.noise
= 0;
7721 local
->wstats
.qual
.updated
= IW_QUAL_QUAL_UPDATED
| IW_QUAL_LEVEL_UPDATED
| IW_QUAL_NOISE_INVALID
| IW_QUAL_DBM
;
7724 /* Packets discarded in the wireless adapter due to wireless
7725 * specific problems */
7726 local
->wstats
.discard
.nwid
= vals
[56] + vals
[57] + vals
[58];/* SSID Mismatch */
7727 local
->wstats
.discard
.code
= vals
[6];/* RxWepErr */
7728 local
->wstats
.discard
.fragment
= vals
[30];
7729 local
->wstats
.discard
.retries
= vals
[10];
7730 local
->wstats
.discard
.misc
= vals
[1] + vals
[32];
7731 local
->wstats
.miss
.beacon
= vals
[34];
7734 static struct iw_statistics
*airo_get_wireless_stats(struct net_device
*dev
)
7736 struct airo_info
*local
= dev
->priv
;
7738 if (!test_bit(JOB_WSTATS
, &local
->jobs
)) {
7739 /* Get stats out of the card if available */
7740 if (down_trylock(&local
->sem
) != 0) {
7741 set_bit(JOB_WSTATS
, &local
->jobs
);
7742 wake_up_interruptible(&local
->thr_wait
);
7744 airo_read_wireless_stats(local
);
7747 return &local
->wstats
;
7752 * This just translates from driver IOCTL codes to the command codes to
7753 * feed to the radio's host interface. Things can be added/deleted
7754 * as needed. This represents the READ side of control I/O to
7757 static int readrids(struct net_device
*dev
, aironet_ioctl
*comp
) {
7758 unsigned short ridcode
;
7759 unsigned char *iobuf
;
7761 struct airo_info
*ai
= dev
->priv
;
7764 if (test_bit(FLAG_FLASHING
, &ai
->flags
))
7767 switch(comp
->command
)
7769 case AIROGCAP
: ridcode
= RID_CAPABILITIES
; break;
7770 case AIROGCFG
: ridcode
= RID_CONFIG
;
7771 if (test_bit(FLAG_COMMIT
, &ai
->flags
)) {
7772 disable_MAC (ai
, 1);
7773 writeConfigRid (ai
, 1);
7774 enable_MAC (ai
, &rsp
, 1);
7777 case AIROGSLIST
: ridcode
= RID_SSID
; break;
7778 case AIROGVLIST
: ridcode
= RID_APLIST
; break;
7779 case AIROGDRVNAM
: ridcode
= RID_DRVNAME
; break;
7780 case AIROGEHTENC
: ridcode
= RID_ETHERENCAP
; break;
7781 case AIROGWEPKTMP
: ridcode
= RID_WEP_TEMP
;
7782 /* Only super-user can read WEP keys */
7783 if (!capable(CAP_NET_ADMIN
))
7786 case AIROGWEPKNV
: ridcode
= RID_WEP_PERM
;
7787 /* Only super-user can read WEP keys */
7788 if (!capable(CAP_NET_ADMIN
))
7791 case AIROGSTAT
: ridcode
= RID_STATUS
; break;
7792 case AIROGSTATSD32
: ridcode
= RID_STATSDELTA
; break;
7793 case AIROGSTATSC32
: ridcode
= RID_STATS
; break;
7795 if (copy_to_user(comp
->data
, &ai
->micstats
,
7796 min((int)comp
->len
,(int)sizeof(ai
->micstats
))))
7799 case AIRORRID
: ridcode
= comp
->ridnum
; break;
7805 if ((iobuf
= kmalloc(RIDSIZE
, GFP_KERNEL
)) == NULL
)
7808 PC4500_readrid(ai
,ridcode
,iobuf
,RIDSIZE
, 1);
7809 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7810 * then return it to the user
7811 * 9/22/2000 Honor user given length
7815 if (copy_to_user(comp
->data
, iobuf
, min(len
, (int)RIDSIZE
))) {
7824 * Danger Will Robinson write the rids here
7827 static int writerids(struct net_device
*dev
, aironet_ioctl
*comp
) {
7828 struct airo_info
*ai
= dev
->priv
;
7832 static int (* writer
)(struct airo_info
*, u16 rid
, const void *, int, int);
7833 unsigned char *iobuf
;
7835 /* Only super-user can write RIDs */
7836 if (!capable(CAP_NET_ADMIN
))
7839 if (test_bit(FLAG_FLASHING
, &ai
->flags
))
7843 writer
= do_writerid
;
7845 switch(comp
->command
)
7847 case AIROPSIDS
: ridcode
= RID_SSID
; break;
7848 case AIROPCAP
: ridcode
= RID_CAPABILITIES
; break;
7849 case AIROPAPLIST
: ridcode
= RID_APLIST
; break;
7850 case AIROPCFG
: ai
->config
.len
= 0;
7851 clear_bit(FLAG_COMMIT
, &ai
->flags
);
7852 ridcode
= RID_CONFIG
; break;
7853 case AIROPWEPKEYNV
: ridcode
= RID_WEP_PERM
; break;
7854 case AIROPLEAPUSR
: ridcode
= RID_LEAPUSERNAME
; break;
7855 case AIROPLEAPPWD
: ridcode
= RID_LEAPPASSWORD
; break;
7856 case AIROPWEPKEY
: ridcode
= RID_WEP_TEMP
; writer
= PC4500_writerid
;
7858 case AIROPLEAPUSR
+1: ridcode
= 0xFF2A; break;
7859 case AIROPLEAPUSR
+2: ridcode
= 0xFF2B; break;
7861 /* this is not really a rid but a command given to the card
7865 if (enable_MAC(ai
, &rsp
, 1) != 0)
7870 * Evidently this code in the airo driver does not get a symbol
7871 * as disable_MAC. it's probably so short the compiler does not gen one.
7877 /* This command merely clears the counts does not actually store any data
7878 * only reads rid. But as it changes the cards state, I put it in the
7879 * writerid routines.
7882 if ((iobuf
= kmalloc(RIDSIZE
, GFP_KERNEL
)) == NULL
)
7885 PC4500_readrid(ai
,RID_STATSDELTACLEAR
,iobuf
,RIDSIZE
, 1);
7887 enabled
= ai
->micstats
.enabled
;
7888 memset(&ai
->micstats
,0,sizeof(ai
->micstats
));
7889 ai
->micstats
.enabled
= enabled
;
7891 if (copy_to_user(comp
->data
, iobuf
,
7892 min((int)comp
->len
, (int)RIDSIZE
))) {
7900 return -EOPNOTSUPP
; /* Blarg! */
7902 if(comp
->len
> RIDSIZE
)
7905 if ((iobuf
= kmalloc(RIDSIZE
, GFP_KERNEL
)) == NULL
)
7908 if (copy_from_user(iobuf
,comp
->data
,comp
->len
)) {
7913 if (comp
->command
== AIROPCFG
) {
7914 ConfigRid
*cfg
= (ConfigRid
*)iobuf
;
7916 if (test_bit(FLAG_MIC_CAPABLE
, &ai
->flags
))
7917 cfg
->opmode
|= MODE_MIC
;
7919 if ((cfg
->opmode
& 0xFF) == MODE_STA_IBSS
)
7920 set_bit (FLAG_ADHOC
, &ai
->flags
);
7922 clear_bit (FLAG_ADHOC
, &ai
->flags
);
7925 if((*writer
)(ai
, ridcode
, iobuf
,comp
->len
,1)) {
7933 /*****************************************************************************
7934 * Ancillary flash / mod functions much black magic lurkes here *
7935 *****************************************************************************
7939 * Flash command switch table
7942 static int flashcard(struct net_device
*dev
, aironet_ioctl
*comp
) {
7945 /* Only super-user can modify flash */
7946 if (!capable(CAP_NET_ADMIN
))
7949 switch(comp
->command
)
7952 return cmdreset((struct airo_info
*)dev
->priv
);
7955 if (!((struct airo_info
*)dev
->priv
)->flash
&&
7956 (((struct airo_info
*)dev
->priv
)->flash
= kmalloc (FLASHSIZE
, GFP_KERNEL
)) == NULL
)
7958 return setflashmode((struct airo_info
*)dev
->priv
);
7960 case AIROFLSHGCHR
: /* Get char from aux */
7961 if(comp
->len
!= sizeof(int))
7963 if (copy_from_user(&z
,comp
->data
,comp
->len
))
7965 return flashgchar((struct airo_info
*)dev
->priv
,z
,8000);
7967 case AIROFLSHPCHR
: /* Send char to card. */
7968 if(comp
->len
!= sizeof(int))
7970 if (copy_from_user(&z
,comp
->data
,comp
->len
))
7972 return flashpchar((struct airo_info
*)dev
->priv
,z
,8000);
7974 case AIROFLPUTBUF
: /* Send 32k to card */
7975 if (!((struct airo_info
*)dev
->priv
)->flash
)
7977 if(comp
->len
> FLASHSIZE
)
7979 if(copy_from_user(((struct airo_info
*)dev
->priv
)->flash
,comp
->data
,comp
->len
))
7982 flashputbuf((struct airo_info
*)dev
->priv
);
7986 if(flashrestart((struct airo_info
*)dev
->priv
,dev
))
7993 #define FLASH_COMMAND 0x7e7e
7997 * Disable MAC and do soft reset on
8001 static int cmdreset(struct airo_info
*ai
) {
8005 airo_print_info(ai
->dev
->name
, "Waitbusy hang before RESET");
8009 OUT4500(ai
,COMMAND
,CMD_SOFTRESET
);
8011 ssleep(1); /* WAS 600 12/7/00 */
8014 airo_print_info(ai
->dev
->name
, "Waitbusy hang AFTER RESET");
8021 * Put the card in legendary flash
8025 static int setflashmode (struct airo_info
*ai
) {
8026 set_bit (FLAG_FLASHING
, &ai
->flags
);
8028 OUT4500(ai
, SWS0
, FLASH_COMMAND
);
8029 OUT4500(ai
, SWS1
, FLASH_COMMAND
);
8031 OUT4500(ai
, SWS0
, FLASH_COMMAND
);
8032 OUT4500(ai
, COMMAND
,0x10);
8034 OUT4500(ai
, SWS2
, FLASH_COMMAND
);
8035 OUT4500(ai
, SWS3
, FLASH_COMMAND
);
8036 OUT4500(ai
, COMMAND
,0);
8038 msleep(500); /* 500ms delay */
8041 clear_bit (FLAG_FLASHING
, &ai
->flags
);
8042 airo_print_info(ai
->dev
->name
, "Waitbusy hang after setflash mode");
8048 /* Put character to SWS0 wait for dwelltime
8052 static int flashpchar(struct airo_info
*ai
,int byte
,int dwelltime
) {
8063 /* Wait for busy bit d15 to go false indicating buffer empty */
8064 while ((IN4500 (ai
, SWS0
) & 0x8000) && waittime
> 0) {
8069 /* timeout for busy clear wait */
8071 airo_print_info(ai
->dev
->name
, "flash putchar busywait timeout!");
8075 /* Port is clear now write byte and wait for it to echo back */
8077 OUT4500(ai
,SWS0
,byte
);
8080 echo
= IN4500(ai
,SWS1
);
8081 } while (dwelltime
>= 0 && echo
!= byte
);
8085 return (echo
== byte
) ? 0 : -EIO
;
8089 * Get a character from the card matching matchbyte
8092 static int flashgchar(struct airo_info
*ai
,int matchbyte
,int dwelltime
){
8094 unsigned char rbyte
=0;
8097 rchar
= IN4500(ai
,SWS1
);
8099 if(dwelltime
&& !(0x8000 & rchar
)){
8104 rbyte
= 0xff & rchar
;
8106 if( (rbyte
== matchbyte
) && (0x8000 & rchar
) ){
8110 if( rbyte
== 0x81 || rbyte
== 0x82 || rbyte
== 0x83 || rbyte
== 0x1a || 0xffff == rchar
)
8114 }while(dwelltime
> 0);
8119 * Transfer 32k of firmware data from user buffer to our buffer and
8123 static int flashputbuf(struct airo_info
*ai
){
8127 if (test_bit(FLAG_MPI
,&ai
->flags
))
8128 memcpy_toio(ai
->pciaux
+ 0x8000, ai
->flash
, FLASHSIZE
);
8130 OUT4500(ai
,AUXPAGE
,0x100);
8131 OUT4500(ai
,AUXOFF
,0);
8133 for(nwords
=0;nwords
!= FLASHSIZE
/ 2;nwords
++){
8134 OUT4500(ai
,AUXDATA
,ai
->flash
[nwords
] & 0xffff);
8137 OUT4500(ai
,SWS0
,0x8000);
8145 static int flashrestart(struct airo_info
*ai
,struct net_device
*dev
){
8148 ssleep(1); /* Added 12/7/00 */
8149 clear_bit (FLAG_FLASHING
, &ai
->flags
);
8150 if (test_bit(FLAG_MPI
, &ai
->flags
)) {
8151 status
= mpi_init_descriptors(ai
);
8152 if (status
!= SUCCESS
)
8155 status
= setup_card(ai
, dev
->dev_addr
, 1);
8157 if (!test_bit(FLAG_MPI
,&ai
->flags
))
8158 for( i
= 0; i
< MAX_FIDS
; i
++ ) {
8159 ai
->fids
[i
] = transmit_allocate
8160 ( ai
, AIRO_DEF_MTU
, i
>= MAX_FIDS
/ 2 );
8163 ssleep(1); /* Added 12/7/00 */
8166 #endif /* CISCO_EXT */
8169 This program is free software; you can redistribute it and/or
8170 modify it under the terms of the GNU General Public License
8171 as published by the Free Software Foundation; either version 2
8172 of the License, or (at your option) any later version.
8174 This program is distributed in the hope that it will be useful,
8175 but WITHOUT ANY WARRANTY; without even the implied warranty of
8176 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8177 GNU General Public License for more details.
8181 Redistribution and use in source and binary forms, with or without
8182 modification, are permitted provided that the following conditions
8185 1. Redistributions of source code must retain the above copyright
8186 notice, this list of conditions and the following disclaimer.
8187 2. Redistributions in binary form must reproduce the above copyright
8188 notice, this list of conditions and the following disclaimer in the
8189 documentation and/or other materials provided with the distribution.
8190 3. The name of the author may not be used to endorse or promote
8191 products derived from this software without specific prior written
8194 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8195 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8196 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8197 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8198 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8199 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8200 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8201 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8202 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8203 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8204 POSSIBILITY OF SUCH DAMAGE.
8207 module_init(airo_init_module
);
8208 module_exit(airo_cleanup_module
);