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>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/system.h>
41 #include <asm/unaligned.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
56 #define DRV_NAME "airo"
59 static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 MODULE_DEVICE_TABLE(pci, card_ids);
71 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72 static void airo_pci_remove(struct pci_dev *);
73 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
74 static int airo_pci_resume(struct pci_dev *pdev);
76 static struct pci_driver airo_driver = {
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
84 #endif /* CONFIG_PCI */
86 /* Include Wireless Extension definition and check version - Jean II */
87 #include <linux/wireless.h>
88 #define WIRELESS_SPY // enable iwspy support
89 #include <net/iw_handler.h> // New driver API
91 #define CISCO_EXT // enable Cisco extensions
93 #include <linux/delay.h>
96 /* Hack to do some power saving */
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
105 #define IGNLABEL(comment) NULL
106 static char *statsLabels[] = {
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
209 #define RUN_AT(x) (jiffies+(x))
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
218 static int basic_rate;
219 static char *ssids[3];
225 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
228 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
233 static int probe = 1;
235 static int proc_uid /* = 0 */;
237 static int proc_gid /* = 0 */;
239 static int airo_perm = 0555;
241 static int proc_perm = 0644;
243 MODULE_AUTHOR("Benjamin Reed");
244 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
245 cards. Direct support for ISA/PCI/MPI cards and support \
246 for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param(basic_rate, int, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256 the authentication options until an association is made. The value of \
257 auto_wep is number of the wep keys to check. A value of 2 will try using \
258 the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261 than seems to work better for older cards with some older buses. Before \
262 switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266 Older cards used to be limited to 2mbs (4).");
267 module_param(adhoc, int, 0);
268 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269 module_param(probe, int, 0);
270 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272 module_param(proc_uid, int, 0);
273 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274 module_param(proc_gid, int, 0);
275 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276 module_param(airo_perm, int, 0);
277 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278 module_param(proc_perm, int, 0);
279 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281 /* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284 static int do8bitIO = 0;
293 #define MAC_ENABLE 0x0001
294 #define MAC_DISABLE 0x0002
295 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296 #define CMD_SOFTRESET 0x0004
297 #define HOSTSLEEP 0x0005
298 #define CMD_MAGIC_PKT 0x0006
299 #define CMD_SETWAKEMASK 0x0007
300 #define CMD_READCFG 0x0008
301 #define CMD_SETMODE 0x0009
302 #define CMD_ALLOCATETX 0x000a
303 #define CMD_TRANSMIT 0x000b
304 #define CMD_DEALLOCATETX 0x000c
306 #define CMD_WORKAROUND 0x0011
307 #define CMD_ALLOCATEAUX 0x0020
308 #define CMD_ACCESS 0x0021
309 #define CMD_PCIBAP 0x0022
310 #define CMD_PCIAUX 0x0023
311 #define CMD_ALLOCBUF 0x0028
312 #define CMD_GETTLV 0x0029
313 #define CMD_PUTTLV 0x002a
314 #define CMD_DELTLV 0x002b
315 #define CMD_FINDNEXTTLV 0x002c
316 #define CMD_PSPNODES 0x0030
317 #define CMD_SETCW 0x0031
318 #define CMD_SETPCF 0x0032
319 #define CMD_SETPHYREG 0x003e
320 #define CMD_TXTEST 0x003f
321 #define MAC_ENABLETX 0x0101
322 #define CMD_LISTBSS 0x0103
323 #define CMD_SAVECFG 0x0108
324 #define CMD_ENABLEAUX 0x0111
325 #define CMD_WRITERID 0x0121
326 #define CMD_USEPSPNODES 0x0130
327 #define MAC_ENABLERX 0x0201
330 #define ERROR_QUALIF 0x00
331 #define ERROR_ILLCMD 0x01
332 #define ERROR_ILLFMT 0x02
333 #define ERROR_INVFID 0x03
334 #define ERROR_INVRID 0x04
335 #define ERROR_LARGE 0x05
336 #define ERROR_NDISABL 0x06
337 #define ERROR_ALLOCBSY 0x07
338 #define ERROR_NORD 0x0B
339 #define ERROR_NOWR 0x0C
340 #define ERROR_INVFIDTX 0x0D
341 #define ERROR_TESTACT 0x0E
342 #define ERROR_TAGNFND 0x12
343 #define ERROR_DECODE 0x20
344 #define ERROR_DESCUNAV 0x21
345 #define ERROR_BADLEN 0x22
346 #define ERROR_MODE 0x80
347 #define ERROR_HOP 0x81
348 #define ERROR_BINTER 0x82
349 #define ERROR_RXMODE 0x83
350 #define ERROR_MACADDR 0x84
351 #define ERROR_RATES 0x85
352 #define ERROR_ORDER 0x86
353 #define ERROR_SCAN 0x87
354 #define ERROR_AUTH 0x88
355 #define ERROR_PSMODE 0x89
356 #define ERROR_RTYPE 0x8A
357 #define ERROR_DIVER 0x8B
358 #define ERROR_SSID 0x8C
359 #define ERROR_APLIST 0x8D
360 #define ERROR_AUTOWAKE 0x8E
361 #define ERROR_LEAP 0x8F
372 #define LINKSTAT 0x10
376 #define TXALLOCFID 0x22
377 #define TXCOMPLFID 0x24
392 /* Offset into aux memory for descriptors */
393 #define AUX_OFFSET 0x800
394 /* Size of allocated packets */
397 /* Size of the transmit queue */
401 #define BAP0 0 // Used for receiving packets
402 #define BAP1 2 // Used for xmiting packets and working with RIDS
405 #define COMMAND_BUSY 0x8000
407 #define BAP_BUSY 0x8000
408 #define BAP_ERR 0x4000
409 #define BAP_DONE 0x2000
411 #define PROMISC 0xffff
412 #define NOPROMISC 0x0000
415 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_TXEXC 0x04
419 #define EV_ALLOC 0x08
421 #define EV_AWAKE 0x100
422 #define EV_TXCPY 0x400
423 #define EV_UNKNOWN 0x800
424 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425 #define EV_AWAKEN 0x2000
426 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428 #ifdef CHECK_UNKNOWN_INTS
429 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #define IGNORE_INTS (~STATUS_INTS)
438 #define RID_CAPABILITIES 0xFF00
439 #define RID_APINFO 0xFF01
440 #define RID_RADIOINFO 0xFF02
441 #define RID_UNKNOWN3 0xFF03
442 #define RID_RSSI 0xFF04
443 #define RID_CONFIG 0xFF10
444 #define RID_SSID 0xFF11
445 #define RID_APLIST 0xFF12
446 #define RID_DRVNAME 0xFF13
447 #define RID_ETHERENCAP 0xFF14
448 #define RID_WEP_TEMP 0xFF15
449 #define RID_WEP_PERM 0xFF16
450 #define RID_MODULATION 0xFF17
451 #define RID_OPTIONS 0xFF18
452 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453 #define RID_FACTORYCONFIG 0xFF21
454 #define RID_UNKNOWN22 0xFF22
455 #define RID_LEAPUSERNAME 0xFF23
456 #define RID_LEAPPASSWORD 0xFF24
457 #define RID_STATUS 0xFF50
458 #define RID_BEACON_HST 0xFF51
459 #define RID_BUSY_HST 0xFF52
460 #define RID_RETRIES_HST 0xFF53
461 #define RID_UNKNOWN54 0xFF54
462 #define RID_UNKNOWN55 0xFF55
463 #define RID_UNKNOWN56 0xFF56
464 #define RID_MIC 0xFF57
465 #define RID_STATS16 0xFF60
466 #define RID_STATS16DELTA 0xFF61
467 #define RID_STATS16DELTACLEAR 0xFF62
468 #define RID_STATS 0xFF68
469 #define RID_STATSDELTA 0xFF69
470 #define RID_STATSDELTACLEAR 0xFF6A
471 #define RID_ECHOTEST_RID 0xFF70
472 #define RID_ECHOTEST_RESULTS 0xFF71
473 #define RID_BSSLISTFIRST 0xFF72
474 #define RID_BSSLISTNEXT 0xFF73
475 #define RID_WPA_BSSLISTFIRST 0xFF74
476 #define RID_WPA_BSSLISTNEXT 0xFF75
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
498 /* This is redundant for x86 archs, but it seems necessary for ARM */
501 /* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
511 /* These structures are from the Aironet's PC4500 Developers Manual */
525 #define MOD_DEFAULT 0
531 u16 len; /* sizeof(ConfigRid) */
532 u16 opmode; /* operating mode */
533 #define MODE_STA_IBSS 0
534 #define MODE_STA_ESS 1
536 #define MODE_AP_RPTR 3
537 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
538 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
539 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
540 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
541 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
542 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
543 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
544 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
545 #define MODE_MIC (1<<15) /* enable MIC */
546 u16 rmode; /* receive mode */
547 #define RXMODE_BC_MC_ADDR 0
548 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
549 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
550 #define RXMODE_RFMON 3 /* wireless monitor mode */
551 #define RXMODE_RFMON_ANYBSS 4
552 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
553 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
554 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
557 u8 macAddr[ETH_ALEN];
561 u16 txLifetime; /* in kusec */
562 u16 rxLifetime; /* in kusec */
565 u16 u16deviceType; /* for overriding device type */
569 /*---------- Scanning/Associating ----------*/
571 #define SCANMODE_ACTIVE 0
572 #define SCANMODE_PASSIVE 1
573 #define SCANMODE_AIROSCAN 2
574 u16 probeDelay; /* in kusec */
575 u16 probeEnergyTimeout; /* in kusec */
576 u16 probeResponseTimeout;
577 u16 beaconListenTimeout;
581 #define AUTH_OPEN 0x1
582 #define AUTH_ENCRYPT 0x101
583 #define AUTH_SHAREDKEY 0x102
584 #define AUTH_ALLOW_UNENCRYPTED 0x200
585 u16 associationTimeout;
586 u16 specifiedApTimeout;
587 u16 offlineScanInterval;
588 u16 offlineScanDuration;
590 u16 maxBeaconLostTime;
592 #define DISABLE_REFRESH 0xFFFF
594 /*---------- Power save operation ----------*/
596 #define POWERSAVE_CAM 0
597 #define POWERSAVE_PSP 1
598 #define POWERSAVE_PSPCAM 2
601 u16 fastListenInterval;
605 /*---------- Ap/Ibss config items ----------*/
614 /*---------- Radio configuration ----------*/
616 #define RADIOTYPE_DEFAULT 0
617 #define RADIOTYPE_802_11 1
618 #define RADIOTYPE_LEGACY 2
622 #define TXPOWER_DEFAULT 0
624 #define RSSI_DEFAULT 0
626 #define PREAMBLE_AUTO 0
627 #define PREAMBLE_LONG 1
628 #define PREAMBLE_SHORT 2
632 /*---------- Aironet Extensions ----------*/
638 /*---------- Aironet Extensions ----------*/
640 #define MAGIC_ACTION_STSCHG 1
641 #define MAGIC_ACTION_RESUME 2
642 #define MAGIC_IGNORE_MCAST (1<<8)
643 #define MAGIC_IGNORE_BCAST (1<<9)
644 #define MAGIC_SWITCH_TO_PSP (0<<10)
645 #define MAGIC_STAY_IN_CAM (1<<10)
659 u8 bssid[4][ETH_ALEN];
673 u16 normalizedSignalStrength;
676 u8 noisePercent; /* Noise percent in last second */
677 u8 noisedBm; /* Noise dBm in last second */
678 u8 noiseAvePercent; /* Noise percent in last minute */
679 u8 noiseAvedBm; /* Noise dBm in last minute */
680 u8 noiseMaxPercent; /* Highest noise percent in last minute */
681 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
685 #define STAT_NOPACKETS 0
686 #define STAT_NOCARRIERSET 10
687 #define STAT_GOTCARRIERSET 11
688 #define STAT_WRONGSSID 20
689 #define STAT_BADCHANNEL 25
690 #define STAT_BADBITRATES 30
691 #define STAT_BADPRIVACY 35
692 #define STAT_APFOUND 40
693 #define STAT_APREJECTED 50
694 #define STAT_AUTHENTICATING 60
695 #define STAT_DEAUTHENTICATED 61
696 #define STAT_AUTHTIMEOUT 62
697 #define STAT_ASSOCIATING 70
698 #define STAT_DEASSOCIATED 71
699 #define STAT_ASSOCTIMEOUT 72
700 #define STAT_NOTAIROAP 73
701 #define STAT_ASSOCIATED 80
702 #define STAT_LEAPING 90
703 #define STAT_LEAPFAILED 91
704 #define STAT_LEAPTIMEDOUT 92
705 #define STAT_LEAPCOMPLETE 93
728 char factoryAddr[ETH_ALEN];
729 char aironetAddr[ETH_ALEN];
732 char callid[ETH_ALEN];
733 char supportedRates[8];
736 u16 txPowerLevels[8];
750 /* Only present on firmware >= 5.30.17 */
753 u8 fixed[12]; /* WLAN management frame */
759 u16 index; /* First is 0 and 0xffff means end of list */
760 #define RADIO_FH 1 /* Frequency hopping radio type */
761 #define RADIO_DS 2 /* Direct sequence radio type */
762 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
764 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
769 #define CAP_ESS (1<<0)
770 #define CAP_IBSS (1<<1)
771 #define CAP_PRIVACY (1<<4)
772 #define CAP_SHORTHDR (1<<5)
775 u8 rates[8]; /* Same as rates for config rid */
776 struct { /* For frequency hopping only */
786 /* Only present on firmware >= 5.30.17 */
787 BSSListRidExtra extra;
792 struct list_head list;
838 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
839 #define TXCTL_TXEX (1<<2) /* report if tx fails */
840 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
841 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
842 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
843 #define TXCTL_LLC (1<<4) /* payload is llc */
844 #define TXCTL_RELEASE (0<<5) /* release after completion */
845 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
847 #define BUSY_FID 0x10000
850 #define AIROMAGIC 0xa55a
851 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
852 #ifdef SIOCIWFIRSTPRIV
853 #ifdef SIOCDEVPRIVATE
854 #define AIROOLDIOCTL SIOCDEVPRIVATE
855 #define AIROOLDIDIFC AIROOLDIOCTL + 1
856 #endif /* SIOCDEVPRIVATE */
857 #else /* SIOCIWFIRSTPRIV */
858 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
859 #endif /* SIOCIWFIRSTPRIV */
860 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
861 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
862 * only and don't return the modified struct ifreq to the application which
863 * is usually a problem. - Jean II */
864 #define AIROIOCTL SIOCIWFIRSTPRIV
865 #define AIROIDIFC AIROIOCTL + 1
867 /* Ioctl constants to be used in airo_ioctl.command */
869 #define AIROGCAP 0 // Capability rid
870 #define AIROGCFG 1 // USED A LOT
871 #define AIROGSLIST 2 // System ID list
872 #define AIROGVLIST 3 // List of specified AP's
873 #define AIROGDRVNAM 4 // NOTUSED
874 #define AIROGEHTENC 5 // NOTUSED
875 #define AIROGWEPKTMP 6
876 #define AIROGWEPKNV 7
878 #define AIROGSTATSC32 9
879 #define AIROGSTATSD32 10
880 #define AIROGMICRID 11
881 #define AIROGMICSTATS 12
882 #define AIROGFLAGS 13
885 #define AIRORSWVERSION 17
887 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
889 #define AIROPCAP AIROGSTATSD32 + 40
890 #define AIROPVLIST AIROPCAP + 1
891 #define AIROPSLIST AIROPVLIST + 1
892 #define AIROPCFG AIROPSLIST + 1
893 #define AIROPSIDS AIROPCFG + 1
894 #define AIROPAPLIST AIROPSIDS + 1
895 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
896 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
897 #define AIROPSTCLR AIROPMACOFF + 1
898 #define AIROPWEPKEY AIROPSTCLR + 1
899 #define AIROPWEPKEYNV AIROPWEPKEY + 1
900 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
901 #define AIROPLEAPUSR AIROPLEAPPWD + 1
905 #define AIROFLSHRST AIROPWEPKEYNV + 40
906 #define AIROFLSHGCHR AIROFLSHRST + 1
907 #define AIROFLSHSTFL AIROFLSHGCHR + 1
908 #define AIROFLSHPCHR AIROFLSHSTFL + 1
909 #define AIROFLPUTBUF AIROFLSHPCHR + 1
910 #define AIRORESTART AIROFLPUTBUF + 1
912 #define FLASHSIZE 32768
913 #define AUXMEMSIZE (256 * 1024)
915 typedef struct aironet_ioctl {
916 unsigned short command; // What to do
917 unsigned short len; // Len of data
918 unsigned short ridnum; // rid number
919 unsigned char __user *data; // d-data
922 static char swversion[] = "2.1";
923 #endif /* CISCO_EXT */
925 #define NUM_MODULES 2
926 #define MIC_MSGLEN_MAX 2400
927 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
928 #define AIRO_DEF_MTU 2312
932 u8 enabled; // MIC enabled or not
933 u32 rxSuccess; // successful packets received
934 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
935 u32 rxNotMICed; // pkts dropped due to not being MIC'd
936 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
937 u32 rxWrongSequence; // pkts dropped due to sequence number violation
942 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
943 u64 accum; // accumulated mic, reduced to u32 in final()
944 int position; // current position (byte offset) in message
948 } part; // saves partial message word across update() calls
952 emmh32_context seed; // Context - the seed
953 u32 rx; // Received sequence number
954 u32 tx; // Tx sequence number
955 u32 window; // Start of window
956 u8 valid; // Flag to say if context is valid or not
961 miccntx mCtx; // Multicast context
962 miccntx uCtx; // Unicast context
966 unsigned int rid: 16;
967 unsigned int len: 15;
968 unsigned int valid: 1;
969 dma_addr_t host_addr;
973 unsigned int offset: 15;
975 unsigned int len: 15;
976 unsigned int valid: 1;
977 dma_addr_t host_addr;
981 unsigned int ctl: 15;
983 unsigned int len: 15;
984 unsigned int valid: 1;
985 dma_addr_t host_addr;
989 * Host receive descriptor
992 unsigned char __iomem *card_ram_off; /* offset into card memory of the
994 RxFid rx_desc; /* card receive descriptor */
995 char *virtual_host_addr; /* virtual address of host receive
1001 * Host transmit descriptor
1004 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1006 TxFid tx_desc; /* card transmit descriptor */
1007 char *virtual_host_addr; /* virtual address of host receive
1013 * Host RID descriptor
1016 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1018 Rid rid_desc; /* card RID descriptor */
1019 char *virtual_host_addr; /* virtual address of host receive
1028 #define HOST_SET (1 << 0)
1029 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1030 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1031 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1032 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1033 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1034 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1035 #define HOST_RTS (1 << 9) /* Force RTS use */
1036 #define HOST_SHORT (1 << 10) /* Do short preamble */
1063 static WifiCtlHdr wifictlhdr8023 = {
1065 .ctl = HOST_DONT_RLSE,
1069 // Frequency list (map channels to frequencies)
1070 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1071 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1073 // A few details needed for WEP (Wireless Equivalent Privacy)
1074 #define MAX_KEY_SIZE 13 // 128 (?) bits
1075 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1076 typedef struct wep_key_t {
1078 u8 key[16]; /* 40-bit and 104-bit keys */
1081 /* Backward compatibility */
1082 #ifndef IW_ENCODE_NOKEY
1083 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1084 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1085 #endif /* IW_ENCODE_NOKEY */
1087 /* List of Wireless Handlers (new API) */
1088 static const struct iw_handler_def airo_handler_def;
1090 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1094 static int get_dec_u16( char *buffer, int *start, int limit );
1095 static void OUT4500( struct airo_info *, u16 register, u16 value );
1096 static unsigned short IN4500( struct airo_info *, u16 register );
1097 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1098 static int enable_MAC(struct airo_info *ai, int lock);
1099 static void disable_MAC(struct airo_info *ai, int lock);
1100 static void enable_interrupts(struct airo_info*);
1101 static void disable_interrupts(struct airo_info*);
1102 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1103 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1104 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1106 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1108 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1110 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1111 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1112 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1113 *pBuf, int len, int lock);
1114 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1115 int len, int dummy );
1116 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1117 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1118 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1120 static int mpi_send_packet (struct net_device *dev);
1121 static void mpi_unmap_card(struct pci_dev *pci);
1122 static void mpi_receive_802_3(struct airo_info *ai);
1123 static void mpi_receive_802_11(struct airo_info *ai);
1124 static int waitbusy (struct airo_info *ai);
1126 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1127 static int airo_thread(void *data);
1128 static void timer_func( struct net_device *dev );
1129 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1130 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1131 static void airo_read_wireless_stats (struct airo_info *local);
1133 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1134 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1135 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1136 #endif /* CISCO_EXT */
1137 static void micinit(struct airo_info *ai);
1138 static int micsetup(struct airo_info *ai);
1139 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1140 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1142 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1143 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1145 static void airo_networks_free(struct airo_info *ai);
1148 struct net_device_stats stats;
1149 struct net_device *dev;
1150 struct list_head dev_list;
1151 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1152 use the high bit to mark whether it is in use. */
1154 #define MPI_MAX_FIDS 1
1157 char keyindex; // Used with auto wep
1158 char defindex; // Used with auto wep
1159 struct proc_dir_entry *proc_entry;
1160 spinlock_t aux_lock;
1161 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1162 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1163 #define FLAG_RADIO_MASK 0x03
1164 #define FLAG_ENABLED 2
1165 #define FLAG_ADHOC 3 /* Needed by MIC */
1166 #define FLAG_MIC_CAPABLE 4
1167 #define FLAG_UPDATE_MULTI 5
1168 #define FLAG_UPDATE_UNI 6
1169 #define FLAG_802_11 7
1170 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1171 #define FLAG_PENDING_XMIT 9
1172 #define FLAG_PENDING_XMIT11 10
1174 #define FLAG_REGISTERED 12
1175 #define FLAG_COMMIT 13
1176 #define FLAG_RESET 14
1177 #define FLAG_FLASHING 15
1178 #define FLAG_WPA_CAPABLE 16
1179 unsigned long flags;
1182 #define JOB_XMIT11 2
1184 #define JOB_PROMISC 4
1187 #define JOB_AUTOWEP 7
1188 #define JOB_WSTATS 8
1189 #define JOB_SCAN_RESULTS 9
1191 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1193 unsigned short *flash;
1195 struct task_struct *list_bss_task;
1196 struct task_struct *airo_thread_task;
1197 struct semaphore sem;
1198 wait_queue_head_t thr_wait;
1199 unsigned long expires;
1201 struct sk_buff *skb;
1204 struct net_device *wifidev;
1205 struct iw_statistics wstats; // wireless stats
1206 unsigned long scan_timeout; /* Time scan should be read */
1207 struct iw_spy_data spy_data;
1208 struct iw_public_data wireless_data;
1210 struct crypto_cipher *tfm;
1212 mic_statistics micstats;
1213 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1214 HostTxDesc txfids[MPI_MAX_FIDS];
1215 HostRidDesc config_desc;
1216 unsigned long ridbus; // phys addr of config_desc
1217 struct sk_buff_head txq;// tx queue used by mpi350 code
1218 struct pci_dev *pci;
1219 unsigned char __iomem *pcimem;
1220 unsigned char __iomem *pciaux;
1221 unsigned char *shared;
1222 dma_addr_t shared_dma;
1226 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1227 char proc_name[IFNAMSIZ];
1229 /* WPA-related stuff */
1230 unsigned int bssListFirst;
1231 unsigned int bssListNext;
1232 unsigned int bssListRidLen;
1234 struct list_head network_list;
1235 struct list_head network_free_list;
1236 BSSListElement *networks;
1239 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1241 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1244 static int setup_proc_entry( struct net_device *dev,
1245 struct airo_info *apriv );
1246 static int takedown_proc_entry( struct net_device *dev,
1247 struct airo_info *apriv );
1249 static int cmdreset(struct airo_info *ai);
1250 static int setflashmode (struct airo_info *ai);
1251 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1252 static int flashputbuf(struct airo_info *ai);
1253 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1255 #define airo_print(type, name, fmt, args...) \
1256 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1258 #define airo_print_info(name, fmt, args...) \
1259 airo_print(KERN_INFO, name, fmt, ##args)
1261 #define airo_print_dbg(name, fmt, args...) \
1262 airo_print(KERN_DEBUG, name, fmt, ##args)
1264 #define airo_print_warn(name, fmt, args...) \
1265 airo_print(KERN_WARNING, name, fmt, ##args)
1267 #define airo_print_err(name, fmt, args...) \
1268 airo_print(KERN_ERR, name, fmt, ##args)
1271 /***********************************************************************
1273 ***********************************************************************
1276 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1277 static void MoveWindow(miccntx *context, u32 micSeq);
1278 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1279 struct crypto_cipher *tfm);
1280 static void emmh32_init(emmh32_context *context);
1281 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1282 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1283 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1285 /* micinit - Initialize mic seed */
1287 static void micinit(struct airo_info *ai)
1291 clear_bit(JOB_MIC, &ai->jobs);
1292 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1295 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1297 if (ai->micstats.enabled) {
1298 /* Key must be valid and different */
1299 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1300 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1301 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1302 /* Age current mic Context */
1303 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1304 /* Initialize new context */
1305 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1306 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1307 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1308 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1309 ai->mod[0].mCtx.valid = 1; //Key is now valid
1311 /* Give key to mic seed */
1312 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1315 /* Key must be valid and different */
1316 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1317 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1318 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1319 /* Age current mic Context */
1320 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1321 /* Initialize new context */
1322 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1324 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1325 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1326 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1327 ai->mod[0].uCtx.valid = 1; //Key is now valid
1329 //Give key to mic seed
1330 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1333 /* So next time we have a valid key and mic is enabled, we will update
1334 * the sequence number if the key is the same as before.
1336 ai->mod[0].uCtx.valid = 0;
1337 ai->mod[0].mCtx.valid = 0;
1341 /* micsetup - Get ready for business */
1343 static int micsetup(struct airo_info *ai) {
1346 if (ai->tfm == NULL)
1347 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1349 if (IS_ERR(ai->tfm)) {
1350 airo_print_err(ai->dev->name, "failed to load transform for AES");
1355 for (i=0; i < NUM_MODULES; i++) {
1356 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1357 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1362 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1364 /*===========================================================================
1365 * Description: Mic a packet
1367 * Inputs: etherHead * pointer to an 802.3 frame
1369 * Returns: BOOLEAN if successful, otherwise false.
1370 * PacketTxLen will be updated with the mic'd packets size.
1372 * Caveats: It is assumed that the frame buffer will already
1373 * be big enough to hold the largets mic message possible.
1374 * (No memory allocation is done here).
1376 * Author: sbraneky (10/15/01)
1377 * Merciless hacks by rwilcher (1/14/02)
1380 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1384 // Determine correct context
1385 // If not adhoc, always use unicast key
1387 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1388 context = &ai->mod[0].mCtx;
1390 context = &ai->mod[0].uCtx;
1392 if (!context->valid)
1395 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1397 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1400 mic->seq = htonl(context->tx);
1403 emmh32_init(&context->seed); // Mic the packet
1404 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1405 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1406 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1407 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1408 emmh32_final(&context->seed, (u8*)&mic->mic);
1410 /* New Type/length ?????????? */
1411 mic->typelen = 0; //Let NIC know it could be an oversized packet
1423 /*===========================================================================
1424 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1425 * (removes the MIC stuff) if packet is a valid packet.
1427 * Inputs: etherHead pointer to the 802.3 packet
1429 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1431 * Author: sbraneky (10/15/01)
1432 * Merciless hacks by rwilcher (1/14/02)
1433 *---------------------------------------------------------------------------
1436 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1442 mic_error micError = NONE;
1444 // Check if the packet is a Mic'd packet
1446 if (!ai->micstats.enabled) {
1447 //No Mic set or Mic OFF but we received a MIC'd packet.
1448 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1449 ai->micstats.rxMICPlummed++;
1455 if (ntohs(mic->typelen) == 0x888E)
1458 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1459 // Mic enabled but packet isn't Mic'd
1460 ai->micstats.rxMICPlummed++;
1464 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1466 //At this point we a have a mic'd packet and mic is enabled
1467 //Now do the mic error checking.
1469 //Receive seq must be odd
1470 if ( (micSEQ & 1) == 0 ) {
1471 ai->micstats.rxWrongSequence++;
1475 for (i = 0; i < NUM_MODULES; i++) {
1476 int mcast = eth->da[0] & 1;
1477 //Determine proper context
1478 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1480 //Make sure context is valid
1481 if (!context->valid) {
1483 micError = NOMICPLUMMED;
1489 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1491 emmh32_init(&context->seed);
1492 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1493 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1494 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1495 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1497 emmh32_final(&context->seed, digest);
1499 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1502 micError = INCORRECTMIC;
1506 //Check Sequence number if mics pass
1507 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1508 ai->micstats.rxSuccess++;
1512 micError = SEQUENCE;
1515 // Update statistics
1517 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1518 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1519 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1526 /*===========================================================================
1527 * Description: Checks the Rx Seq number to make sure it is valid
1528 * and hasn't already been received
1530 * Inputs: miccntx - mic context to check seq against
1531 * micSeq - the Mic seq number
1533 * Returns: TRUE if valid otherwise FALSE.
1535 * Author: sbraneky (10/15/01)
1536 * Merciless hacks by rwilcher (1/14/02)
1537 *---------------------------------------------------------------------------
1540 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1544 //Allow for the ap being rebooted - if it is then use the next
1545 //sequence number of the current sequence number - might go backwards
1548 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1549 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1550 context->window = (micSeq > 33) ? micSeq : 33;
1551 context->rx = 0; // Reset rx
1553 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1554 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1555 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1556 context->rx = 0; // Reset rx
1559 //Make sequence number relative to START of window
1560 seq = micSeq - (context->window - 33);
1562 //Too old of a SEQ number to check.
1567 //Window is infinite forward
1568 MoveWindow(context,micSeq);
1572 // We are in the window. Now check the context rx bit to see if it was already sent
1573 seq >>= 1; //divide by 2 because we only have odd numbers
1574 index = 1 << seq; //Get an index number
1576 if (!(context->rx & index)) {
1577 //micSEQ falls inside the window.
1578 //Add seqence number to the list of received numbers.
1579 context->rx |= index;
1581 MoveWindow(context,micSeq);
1588 static void MoveWindow(miccntx *context, u32 micSeq)
1592 //Move window if seq greater than the middle of the window
1593 if (micSeq > context->window) {
1594 shift = (micSeq - context->window) >> 1;
1598 context->rx >>= shift;
1602 context->window = micSeq; //Move window
1606 /*==============================================*/
1607 /*========== EMMH ROUTINES ====================*/
1608 /*==============================================*/
1610 /* mic accumulate */
1611 #define MIC_ACCUM(val) \
1612 context->accum += (u64)(val) * context->coeff[coeff_position++];
1614 static unsigned char aes_counter[16];
1616 /* expand the key to fill the MMH coefficient array */
1617 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1618 struct crypto_cipher *tfm)
1620 /* take the keying material, expand if necessary, truncate at 16-bytes */
1621 /* run through AES counter mode to generate context->coeff[] */
1625 u8 *cipher, plain[16];
1627 crypto_cipher_setkey(tfm, pkey, 16);
1629 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1630 aes_counter[15] = (u8)(counter >> 0);
1631 aes_counter[14] = (u8)(counter >> 8);
1632 aes_counter[13] = (u8)(counter >> 16);
1633 aes_counter[12] = (u8)(counter >> 24);
1635 memcpy (plain, aes_counter, 16);
1636 crypto_cipher_encrypt_one(tfm, plain, plain);
1638 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1639 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1645 /* prepare for calculation of a new mic */
1646 static void emmh32_init(emmh32_context *context)
1648 /* prepare for new mic calculation */
1650 context->position = 0;
1653 /* add some bytes to the mic calculation */
1654 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1656 int coeff_position, byte_position;
1658 if (len == 0) return;
1660 coeff_position = context->position >> 2;
1662 /* deal with partial 32-bit word left over from last update */
1663 byte_position = context->position & 3;
1664 if (byte_position) {
1665 /* have a partial word in part to deal with */
1667 if (len == 0) return;
1668 context->part.d8[byte_position++] = *pOctets++;
1669 context->position++;
1671 } while (byte_position < 4);
1672 MIC_ACCUM(ntohl(context->part.d32));
1675 /* deal with full 32-bit words */
1677 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1678 context->position += 4;
1683 /* deal with partial 32-bit word that will be left over from this update */
1686 context->part.d8[byte_position++] = *pOctets++;
1687 context->position++;
1692 /* mask used to zero empty bytes for final partial word */
1693 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1695 /* calculate the mic */
1696 static void emmh32_final(emmh32_context *context, u8 digest[4])
1698 int coeff_position, byte_position;
1704 coeff_position = context->position >> 2;
1706 /* deal with partial 32-bit word left over from last update */
1707 byte_position = context->position & 3;
1708 if (byte_position) {
1709 /* have a partial word in part to deal with */
1710 val = ntohl(context->part.d32);
1711 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1714 /* reduce the accumulated u64 to a 32-bit MIC */
1715 sum = context->accum;
1716 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1717 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1718 sum = utmp & 0xffffffffLL;
1719 if (utmp > 0x10000000fLL)
1723 digest[0] = (val>>24) & 0xFF;
1724 digest[1] = (val>>16) & 0xFF;
1725 digest[2] = (val>>8) & 0xFF;
1726 digest[3] = val & 0xFF;
1729 static int readBSSListRid(struct airo_info *ai, int first,
1736 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1737 memset(&cmd, 0, sizeof(cmd));
1738 cmd.cmd=CMD_LISTBSS;
1739 if (down_interruptible(&ai->sem))
1740 return -ERESTARTSYS;
1741 ai->list_bss_task = current;
1742 issuecommand(ai, &cmd, &rsp);
1744 /* Let the command take effect */
1745 schedule_timeout_uninterruptible(3 * HZ);
1746 ai->list_bss_task = NULL;
1748 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1749 list, ai->bssListRidLen, 1);
1751 list->len = le16_to_cpu(list->len);
1752 list->index = le16_to_cpu(list->index);
1753 list->radioType = le16_to_cpu(list->radioType);
1754 list->cap = le16_to_cpu(list->cap);
1755 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1756 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1757 list->dsChannel = le16_to_cpu(list->dsChannel);
1758 list->atimWindow = le16_to_cpu(list->atimWindow);
1759 list->dBm = le16_to_cpu(list->dBm);
1763 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1764 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1765 wkr, sizeof(*wkr), lock);
1767 wkr->len = le16_to_cpu(wkr->len);
1768 wkr->kindex = le16_to_cpu(wkr->kindex);
1769 wkr->klen = le16_to_cpu(wkr->klen);
1772 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1773 * the originals when we endian them... */
1774 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1776 WepKeyRid wkr = *pwkr;
1778 wkr.len = cpu_to_le16(wkr.len);
1779 wkr.kindex = cpu_to_le16(wkr.kindex);
1780 wkr.klen = cpu_to_le16(wkr.klen);
1781 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1782 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1784 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1786 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1792 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1794 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1796 ssidr->len = le16_to_cpu(ssidr->len);
1797 for(i = 0; i < 3; i++) {
1798 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1802 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1805 SsidRid ssidr = *pssidr;
1807 ssidr.len = cpu_to_le16(ssidr.len);
1808 for(i = 0; i < 3; i++) {
1809 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1811 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1814 static int readConfigRid(struct airo_info*ai, int lock) {
1822 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1826 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1828 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1829 *s = le16_to_cpu(*s);
1831 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1832 *s = le16_to_cpu(*s);
1834 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1835 *s = cpu_to_le16(*s);
1837 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1838 *s = cpu_to_le16(*s);
1843 static inline void checkThrottle(struct airo_info *ai) {
1845 /* Old hardware had a limit on encryption speed */
1846 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1847 for(i=0; i<8; i++) {
1848 if (ai->config.rates[i] > maxencrypt) {
1849 ai->config.rates[i] = 0;
1854 static int writeConfigRid(struct airo_info*ai, int lock) {
1858 if (!test_bit (FLAG_COMMIT, &ai->flags))
1861 clear_bit (FLAG_COMMIT, &ai->flags);
1862 clear_bit (FLAG_RESET, &ai->flags);
1866 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1867 set_bit(FLAG_ADHOC, &ai->flags);
1869 clear_bit(FLAG_ADHOC, &ai->flags);
1871 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1873 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1874 *s = cpu_to_le16(*s);
1876 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1877 *s = cpu_to_le16(*s);
1879 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1880 *s = cpu_to_le16(*s);
1882 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1883 *s = cpu_to_le16(*s);
1885 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1887 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1888 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1891 statr->len = le16_to_cpu(statr->len);
1892 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1894 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1895 *s = le16_to_cpu(*s);
1896 statr->load = le16_to_cpu(statr->load);
1897 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1900 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1901 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1902 aplr->len = le16_to_cpu(aplr->len);
1905 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1907 aplr->len = cpu_to_le16(aplr->len);
1908 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1911 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1912 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1915 capr->len = le16_to_cpu(capr->len);
1916 capr->prodNum = le16_to_cpu(capr->prodNum);
1917 capr->radioType = le16_to_cpu(capr->radioType);
1918 capr->country = le16_to_cpu(capr->country);
1919 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1920 *s = le16_to_cpu(*s);
1923 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1924 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1927 sr->len = le16_to_cpu(sr->len);
1928 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1932 static void try_auto_wep(struct airo_info *ai)
1934 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1935 ai->expires = RUN_AT(3*HZ);
1936 wake_up_interruptible(&ai->thr_wait);
1940 static int airo_open(struct net_device *dev) {
1941 struct airo_info *ai = dev->priv;
1944 if (test_bit(FLAG_FLASHING, &ai->flags))
1947 /* Make sure the card is configured.
1948 * Wireless Extensions may postpone config changes until the card
1949 * is open (to pipeline changes and speed-up card setup). If
1950 * those changes are not yet commited, do it now - Jean II */
1951 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1953 writeConfigRid(ai, 1);
1956 if (ai->wifidev != dev) {
1957 clear_bit(JOB_DIE, &ai->jobs);
1958 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1959 if (IS_ERR(ai->airo_thread_task))
1960 return (int)PTR_ERR(ai->airo_thread_task);
1962 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1965 airo_print_err(dev->name,
1966 "register interrupt %d failed, rc %d",
1968 set_bit(JOB_DIE, &ai->jobs);
1969 kthread_stop(ai->airo_thread_task);
1973 /* Power on the MAC controller (which may have been disabled) */
1974 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1975 enable_interrupts(ai);
1981 netif_start_queue(dev);
1985 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1986 int npacks, pending;
1987 unsigned long flags;
1988 struct airo_info *ai = dev->priv;
1991 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1994 npacks = skb_queue_len (&ai->txq);
1996 if (npacks >= MAXTXQ - 1) {
1997 netif_stop_queue (dev);
1998 if (npacks > MAXTXQ) {
1999 ai->stats.tx_fifo_errors++;
2002 skb_queue_tail (&ai->txq, skb);
2006 spin_lock_irqsave(&ai->aux_lock, flags);
2007 skb_queue_tail (&ai->txq, skb);
2008 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
2009 spin_unlock_irqrestore(&ai->aux_lock,flags);
2010 netif_wake_queue (dev);
2013 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2014 mpi_send_packet (dev);
2022 * Attempt to transmit a packet. Can be called from interrupt
2023 * or transmit . return number of packets we tried to send
2026 static int mpi_send_packet (struct net_device *dev)
2028 struct sk_buff *skb;
2029 unsigned char *buffer;
2032 struct airo_info *ai = dev->priv;
2035 /* get a packet to send */
2037 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
2038 airo_print_err(dev->name,
2039 "%s: Dequeue'd zero in send_packet()",
2044 /* check min length*/
2045 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2048 ai->txfids[0].tx_desc.offset = 0;
2049 ai->txfids[0].tx_desc.valid = 1;
2050 ai->txfids[0].tx_desc.eoc = 1;
2051 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2054 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2055 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2056 * is immediatly after it. ------------------------------------------------
2057 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2058 * ------------------------------------------------
2061 memcpy((char *)ai->txfids[0].virtual_host_addr,
2062 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2064 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2065 sizeof(wifictlhdr8023));
2066 sendbuf = ai->txfids[0].virtual_host_addr +
2067 sizeof(wifictlhdr8023) + 2 ;
2070 * Firmware automaticly puts 802 header on so
2071 * we don't need to account for it in the length
2073 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2074 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2077 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2080 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2081 ai->txfids[0].tx_desc.len += sizeof(pMic);
2082 /* copy data into airo dma buffer */
2083 memcpy (sendbuf, buffer, sizeof(etherHead));
2084 buffer += sizeof(etherHead);
2085 sendbuf += sizeof(etherHead);
2086 memcpy (sendbuf, &pMic, sizeof(pMic));
2087 sendbuf += sizeof(pMic);
2088 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2090 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2092 dev->trans_start = jiffies;
2094 /* copy data into airo dma buffer */
2095 memcpy(sendbuf, buffer, len);
2098 memcpy_toio(ai->txfids[0].card_ram_off,
2099 &ai->txfids[0].tx_desc, sizeof(TxFid));
2101 OUT4500(ai, EVACK, 8);
2103 dev_kfree_skb_any(skb);
2107 static void get_tx_error(struct airo_info *ai, s32 fid)
2112 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2114 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2116 bap_read(ai, &status, 2, BAP0);
2118 if (le16_to_cpu(status) & 2) /* Too many retries */
2119 ai->stats.tx_aborted_errors++;
2120 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2121 ai->stats.tx_heartbeat_errors++;
2122 if (le16_to_cpu(status) & 8) /* Aid fail */
2124 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2125 ai->stats.tx_carrier_errors++;
2126 if (le16_to_cpu(status) & 0x20) /* Association lost */
2128 /* We produce a TXDROP event only for retry or lifetime
2129 * exceeded, because that's the only status that really mean
2130 * that this particular node went away.
2131 * Other errors means that *we* screwed up. - Jean II */
2132 if ((le16_to_cpu(status) & 2) ||
2133 (le16_to_cpu(status) & 4)) {
2134 union iwreq_data wrqu;
2137 /* Faster to skip over useless data than to do
2138 * another bap_setup(). We are at offset 0x6 and
2139 * need to go to 0x18 and read 6 bytes - Jean II */
2140 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2142 /* Copy 802.11 dest address.
2143 * We use the 802.11 header because the frame may
2144 * not be 802.3 or may be mangled...
2145 * In Ad-Hoc mode, it will be the node address.
2146 * In managed mode, it will be most likely the AP addr
2147 * User space will figure out how to convert it to
2148 * whatever it needs (IP address or else).
2150 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2151 wrqu.addr.sa_family = ARPHRD_ETHER;
2153 /* Send event to user space */
2154 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2158 static void airo_end_xmit(struct net_device *dev) {
2161 struct airo_info *priv = dev->priv;
2162 struct sk_buff *skb = priv->xmit.skb;
2163 int fid = priv->xmit.fid;
2164 u32 *fids = priv->fids;
2166 clear_bit(JOB_XMIT, &priv->jobs);
2167 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2168 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2172 if ( status == SUCCESS ) {
2173 dev->trans_start = jiffies;
2174 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2176 priv->fids[fid] &= 0xffff;
2177 priv->stats.tx_window_errors++;
2179 if (i < MAX_FIDS / 2)
2180 netif_wake_queue(dev);
2184 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2187 struct airo_info *priv = dev->priv;
2188 u32 *fids = priv->fids;
2190 if ( skb == NULL ) {
2191 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2195 /* Find a vacant FID */
2196 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2197 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2199 if ( j >= MAX_FIDS / 2 ) {
2200 netif_stop_queue(dev);
2202 if (i == MAX_FIDS / 2) {
2203 priv->stats.tx_fifo_errors++;
2207 /* check min length*/
2208 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2209 /* Mark fid as used & save length for later */
2210 fids[i] |= (len << 16);
2211 priv->xmit.skb = skb;
2213 if (down_trylock(&priv->sem) != 0) {
2214 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2215 netif_stop_queue(dev);
2216 set_bit(JOB_XMIT, &priv->jobs);
2217 wake_up_interruptible(&priv->thr_wait);
2223 static void airo_end_xmit11(struct net_device *dev) {
2226 struct airo_info *priv = dev->priv;
2227 struct sk_buff *skb = priv->xmit11.skb;
2228 int fid = priv->xmit11.fid;
2229 u32 *fids = priv->fids;
2231 clear_bit(JOB_XMIT11, &priv->jobs);
2232 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2233 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2237 if ( status == SUCCESS ) {
2238 dev->trans_start = jiffies;
2239 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2241 priv->fids[fid] &= 0xffff;
2242 priv->stats.tx_window_errors++;
2245 netif_wake_queue(dev);
2249 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2252 struct airo_info *priv = dev->priv;
2253 u32 *fids = priv->fids;
2255 if (test_bit(FLAG_MPI, &priv->flags)) {
2256 /* Not implemented yet for MPI350 */
2257 netif_stop_queue(dev);
2261 if ( skb == NULL ) {
2262 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2266 /* Find a vacant FID */
2267 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2268 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2270 if ( j >= MAX_FIDS ) {
2271 netif_stop_queue(dev);
2273 if (i == MAX_FIDS) {
2274 priv->stats.tx_fifo_errors++;
2278 /* check min length*/
2279 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2280 /* Mark fid as used & save length for later */
2281 fids[i] |= (len << 16);
2282 priv->xmit11.skb = skb;
2283 priv->xmit11.fid = i;
2284 if (down_trylock(&priv->sem) != 0) {
2285 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2286 netif_stop_queue(dev);
2287 set_bit(JOB_XMIT11, &priv->jobs);
2288 wake_up_interruptible(&priv->thr_wait);
2290 airo_end_xmit11(dev);
2294 static void airo_read_stats(struct airo_info *ai) {
2296 u32 *vals = stats_rid.vals;
2298 clear_bit(JOB_STATS, &ai->jobs);
2299 if (ai->power.event) {
2303 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2306 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2307 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2308 ai->stats.rx_bytes = vals[92];
2309 ai->stats.tx_bytes = vals[91];
2310 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2311 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2312 ai->stats.multicast = vals[43];
2313 ai->stats.collisions = vals[89];
2315 /* detailed rx_errors: */
2316 ai->stats.rx_length_errors = vals[3];
2317 ai->stats.rx_crc_errors = vals[4];
2318 ai->stats.rx_frame_errors = vals[2];
2319 ai->stats.rx_fifo_errors = vals[0];
2322 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2324 struct airo_info *local = dev->priv;
2326 if (!test_bit(JOB_STATS, &local->jobs)) {
2327 /* Get stats out of the card if available */
2328 if (down_trylock(&local->sem) != 0) {
2329 set_bit(JOB_STATS, &local->jobs);
2330 wake_up_interruptible(&local->thr_wait);
2332 airo_read_stats(local);
2335 return &local->stats;
2338 static void airo_set_promisc(struct airo_info *ai) {
2342 memset(&cmd, 0, sizeof(cmd));
2343 cmd.cmd=CMD_SETMODE;
2344 clear_bit(JOB_PROMISC, &ai->jobs);
2345 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2346 issuecommand(ai, &cmd, &rsp);
2350 static void airo_set_multicast_list(struct net_device *dev) {
2351 struct airo_info *ai = dev->priv;
2353 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2354 change_bit(FLAG_PROMISC, &ai->flags);
2355 if (down_trylock(&ai->sem) != 0) {
2356 set_bit(JOB_PROMISC, &ai->jobs);
2357 wake_up_interruptible(&ai->thr_wait);
2359 airo_set_promisc(ai);
2362 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2363 /* Turn on multicast. (Should be already setup...) */
2367 static int airo_set_mac_address(struct net_device *dev, void *p)
2369 struct airo_info *ai = dev->priv;
2370 struct sockaddr *addr = p;
2372 readConfigRid(ai, 1);
2373 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2374 set_bit (FLAG_COMMIT, &ai->flags);
2376 writeConfigRid (ai, 1);
2378 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2380 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2384 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2386 if ((new_mtu < 68) || (new_mtu > 2400))
2392 static LIST_HEAD(airo_devices);
2394 static void add_airo_dev(struct airo_info *ai)
2396 /* Upper layers already keep track of PCI devices,
2397 * so we only need to remember our non-PCI cards. */
2399 list_add_tail(&ai->dev_list, &airo_devices);
2402 static void del_airo_dev(struct airo_info *ai)
2405 list_del(&ai->dev_list);
2408 static int airo_close(struct net_device *dev) {
2409 struct airo_info *ai = dev->priv;
2411 netif_stop_queue(dev);
2413 if (ai->wifidev != dev) {
2414 #ifdef POWER_ON_DOWN
2415 /* Shut power to the card. The idea is that the user can save
2416 * power when he doesn't need the card with "ifconfig down".
2417 * That's the method that is most friendly towards the network
2418 * stack (i.e. the network stack won't try to broadcast
2419 * anything on the interface and routes are gone. Jean II */
2420 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2423 disable_interrupts( ai );
2425 free_irq(dev->irq, dev);
2427 set_bit(JOB_DIE, &ai->jobs);
2428 kthread_stop(ai->airo_thread_task);
2433 void stop_airo_card( struct net_device *dev, int freeres )
2435 struct airo_info *ai = dev->priv;
2437 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2439 disable_interrupts(ai);
2440 takedown_proc_entry( dev, ai );
2441 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2442 unregister_netdev( dev );
2444 unregister_netdev(ai->wifidev);
2445 free_netdev(ai->wifidev);
2448 clear_bit(FLAG_REGISTERED, &ai->flags);
2451 * Clean out tx queue
2453 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2454 struct sk_buff *skb = NULL;
2455 for (;(skb = skb_dequeue(&ai->txq));)
2459 airo_networks_free (ai);
2466 /* PCMCIA frees this stuff, so only for PCI and ISA */
2467 release_region( dev->base_addr, 64 );
2468 if (test_bit(FLAG_MPI, &ai->flags)) {
2470 mpi_unmap_card(ai->pci);
2472 iounmap(ai->pcimem);
2474 iounmap(ai->pciaux);
2475 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2476 ai->shared, ai->shared_dma);
2479 crypto_free_cipher(ai->tfm);
2484 EXPORT_SYMBOL(stop_airo_card);
2486 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2488 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2492 static void mpi_unmap_card(struct pci_dev *pci)
2494 unsigned long mem_start = pci_resource_start(pci, 1);
2495 unsigned long mem_len = pci_resource_len(pci, 1);
2496 unsigned long aux_start = pci_resource_start(pci, 2);
2497 unsigned long aux_len = AUXMEMSIZE;
2499 release_mem_region(aux_start, aux_len);
2500 release_mem_region(mem_start, mem_len);
2503 /*************************************************************
2504 * This routine assumes that descriptors have been setup .
2505 * Run at insmod time or after reset when the decriptors
2506 * have been initialized . Returns 0 if all is well nz
2507 * otherwise . Does not allocate memory but sets up card
2508 * using previously allocated descriptors.
2510 static int mpi_init_descriptors (struct airo_info *ai)
2517 /* Alloc card RX descriptors */
2518 netif_stop_queue(ai->dev);
2520 memset(&rsp,0,sizeof(rsp));
2521 memset(&cmd,0,sizeof(cmd));
2523 cmd.cmd = CMD_ALLOCATEAUX;
2525 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2526 cmd.parm2 = MPI_MAX_FIDS;
2527 rc=issuecommand(ai, &cmd, &rsp);
2528 if (rc != SUCCESS) {
2529 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2533 for (i=0; i<MPI_MAX_FIDS; i++) {
2534 memcpy_toio(ai->rxfids[i].card_ram_off,
2535 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2538 /* Alloc card TX descriptors */
2540 memset(&rsp,0,sizeof(rsp));
2541 memset(&cmd,0,sizeof(cmd));
2543 cmd.cmd = CMD_ALLOCATEAUX;
2545 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2546 cmd.parm2 = MPI_MAX_FIDS;
2548 for (i=0; i<MPI_MAX_FIDS; i++) {
2549 ai->txfids[i].tx_desc.valid = 1;
2550 memcpy_toio(ai->txfids[i].card_ram_off,
2551 &ai->txfids[i].tx_desc, sizeof(TxFid));
2553 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2555 rc=issuecommand(ai, &cmd, &rsp);
2556 if (rc != SUCCESS) {
2557 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2561 /* Alloc card Rid descriptor */
2562 memset(&rsp,0,sizeof(rsp));
2563 memset(&cmd,0,sizeof(cmd));
2565 cmd.cmd = CMD_ALLOCATEAUX;
2567 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2568 cmd.parm2 = 1; /* Magic number... */
2569 rc=issuecommand(ai, &cmd, &rsp);
2570 if (rc != SUCCESS) {
2571 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2575 memcpy_toio(ai->config_desc.card_ram_off,
2576 &ai->config_desc.rid_desc, sizeof(Rid));
2582 * We are setting up three things here:
2583 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2584 * 2) Map PCI memory for issueing commands.
2585 * 3) Allocate memory (shared) to send and receive ethernet frames.
2587 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2589 unsigned long mem_start, mem_len, aux_start, aux_len;
2592 dma_addr_t busaddroff;
2593 unsigned char *vpackoff;
2594 unsigned char __iomem *pciaddroff;
2596 mem_start = pci_resource_start(pci, 1);
2597 mem_len = pci_resource_len(pci, 1);
2598 aux_start = pci_resource_start(pci, 2);
2599 aux_len = AUXMEMSIZE;
2601 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2602 airo_print_err("", "Couldn't get region %x[%x]",
2603 (int)mem_start, (int)mem_len);
2606 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2607 airo_print_err("", "Couldn't get region %x[%x]",
2608 (int)aux_start, (int)aux_len);
2612 ai->pcimem = ioremap(mem_start, mem_len);
2614 airo_print_err("", "Couldn't map region %x[%x]",
2615 (int)mem_start, (int)mem_len);
2618 ai->pciaux = ioremap(aux_start, aux_len);
2620 airo_print_err("", "Couldn't map region %x[%x]",
2621 (int)aux_start, (int)aux_len);
2625 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2626 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2628 airo_print_err("", "Couldn't alloc_consistent %d",
2634 * Setup descriptor RX, TX, CONFIG
2636 busaddroff = ai->shared_dma;
2637 pciaddroff = ai->pciaux + AUX_OFFSET;
2638 vpackoff = ai->shared;
2640 /* RX descriptor setup */
2641 for(i = 0; i < MPI_MAX_FIDS; i++) {
2642 ai->rxfids[i].pending = 0;
2643 ai->rxfids[i].card_ram_off = pciaddroff;
2644 ai->rxfids[i].virtual_host_addr = vpackoff;
2645 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2646 ai->rxfids[i].rx_desc.valid = 1;
2647 ai->rxfids[i].rx_desc.len = PKTSIZE;
2648 ai->rxfids[i].rx_desc.rdy = 0;
2650 pciaddroff += sizeof(RxFid);
2651 busaddroff += PKTSIZE;
2652 vpackoff += PKTSIZE;
2655 /* TX descriptor setup */
2656 for(i = 0; i < MPI_MAX_FIDS; i++) {
2657 ai->txfids[i].card_ram_off = pciaddroff;
2658 ai->txfids[i].virtual_host_addr = vpackoff;
2659 ai->txfids[i].tx_desc.valid = 1;
2660 ai->txfids[i].tx_desc.host_addr = busaddroff;
2661 memcpy(ai->txfids[i].virtual_host_addr,
2662 &wifictlhdr8023, sizeof(wifictlhdr8023));
2664 pciaddroff += sizeof(TxFid);
2665 busaddroff += PKTSIZE;
2666 vpackoff += PKTSIZE;
2668 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2670 /* Rid descriptor setup */
2671 ai->config_desc.card_ram_off = pciaddroff;
2672 ai->config_desc.virtual_host_addr = vpackoff;
2673 ai->config_desc.rid_desc.host_addr = busaddroff;
2674 ai->ridbus = busaddroff;
2675 ai->config_desc.rid_desc.rid = 0;
2676 ai->config_desc.rid_desc.len = RIDSIZE;
2677 ai->config_desc.rid_desc.valid = 1;
2678 pciaddroff += sizeof(Rid);
2679 busaddroff += RIDSIZE;
2680 vpackoff += RIDSIZE;
2682 /* Tell card about descriptors */
2683 if (mpi_init_descriptors (ai) != SUCCESS)
2688 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2690 iounmap(ai->pciaux);
2692 iounmap(ai->pcimem);
2694 release_mem_region(aux_start, aux_len);
2696 release_mem_region(mem_start, mem_len);
2701 static const struct header_ops airo_header_ops = {
2702 .parse = wll_header_parse,
2705 static void wifi_setup(struct net_device *dev)
2707 dev->header_ops = &airo_header_ops;
2708 dev->hard_start_xmit = &airo_start_xmit11;
2709 dev->get_stats = &airo_get_stats;
2710 dev->set_mac_address = &airo_set_mac_address;
2711 dev->do_ioctl = &airo_ioctl;
2712 dev->wireless_handlers = &airo_handler_def;
2713 dev->change_mtu = &airo_change_mtu;
2714 dev->open = &airo_open;
2715 dev->stop = &airo_close;
2717 dev->type = ARPHRD_IEEE80211;
2718 dev->hard_header_len = ETH_HLEN;
2719 dev->mtu = AIRO_DEF_MTU;
2720 dev->addr_len = ETH_ALEN;
2721 dev->tx_queue_len = 100;
2723 memset(dev->broadcast,0xFF, ETH_ALEN);
2725 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2728 static struct net_device *init_wifidev(struct airo_info *ai,
2729 struct net_device *ethdev)
2732 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2735 dev->priv = ethdev->priv;
2736 dev->irq = ethdev->irq;
2737 dev->base_addr = ethdev->base_addr;
2738 dev->wireless_data = ethdev->wireless_data;
2739 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2740 err = register_netdev(dev);
2748 static int reset_card( struct net_device *dev , int lock) {
2749 struct airo_info *ai = dev->priv;
2751 if (lock && down_interruptible(&ai->sem))
2754 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2763 #define AIRO_MAX_NETWORK_COUNT 64
2764 static int airo_networks_allocate(struct airo_info *ai)
2770 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2772 if (!ai->networks) {
2773 airo_print_warn("", "Out of memory allocating beacons");
2780 static void airo_networks_free(struct airo_info *ai)
2782 kfree(ai->networks);
2783 ai->networks = NULL;
2786 static void airo_networks_initialize(struct airo_info *ai)
2790 INIT_LIST_HEAD(&ai->network_free_list);
2791 INIT_LIST_HEAD(&ai->network_list);
2792 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2793 list_add_tail(&ai->networks[i].list,
2794 &ai->network_free_list);
2797 static int airo_test_wpa_capable(struct airo_info *ai)
2800 CapabilityRid cap_rid;
2802 status = readCapabilityRid(ai, &cap_rid, 1);
2803 if (status != SUCCESS) return 0;
2805 /* Only firmware versions 5.30.17 or better can do WPA */
2806 if ((cap_rid.softVer > 0x530)
2807 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2808 airo_print_info("", "WPA is supported.");
2812 /* No WPA support */
2813 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2814 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2818 static struct net_device *_init_airo_card( unsigned short irq, int port,
2819 int is_pcmcia, struct pci_dev *pci,
2820 struct device *dmdev )
2822 struct net_device *dev;
2823 struct airo_info *ai;
2825 DECLARE_MAC_BUF(mac);
2827 /* Create the network device object. */
2828 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2830 airo_print_err("", "Couldn't alloc_etherdev");
2836 ai->flags = 1 << FLAG_RADIO_DOWN;
2839 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2840 airo_print_dbg("", "Found an MPI350 card");
2841 set_bit(FLAG_MPI, &ai->flags);
2843 spin_lock_init(&ai->aux_lock);
2844 sema_init(&ai->sem, 1);
2847 init_waitqueue_head (&ai->thr_wait);
2851 if (airo_networks_allocate (ai))
2853 airo_networks_initialize (ai);
2855 /* The Airo-specific entries in the device structure. */
2856 if (test_bit(FLAG_MPI,&ai->flags)) {
2857 skb_queue_head_init (&ai->txq);
2858 dev->hard_start_xmit = &mpi_start_xmit;
2860 dev->hard_start_xmit = &airo_start_xmit;
2861 dev->get_stats = &airo_get_stats;
2862 dev->set_multicast_list = &airo_set_multicast_list;
2863 dev->set_mac_address = &airo_set_mac_address;
2864 dev->do_ioctl = &airo_ioctl;
2865 dev->wireless_handlers = &airo_handler_def;
2866 ai->wireless_data.spy_data = &ai->spy_data;
2867 dev->wireless_data = &ai->wireless_data;
2868 dev->change_mtu = &airo_change_mtu;
2869 dev->open = &airo_open;
2870 dev->stop = &airo_close;
2872 dev->base_addr = port;
2874 SET_NETDEV_DEV(dev, dmdev);
2876 reset_card (dev, 1);
2880 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2882 airo_print_err(dev->name, "Couldn't request region");
2887 if (test_bit(FLAG_MPI,&ai->flags)) {
2888 if (mpi_map_card(ai, pci)) {
2889 airo_print_err("", "Could not map memory");
2895 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2896 airo_print_err(dev->name, "MAC could not be enabled" );
2900 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2901 ai->bap_read = fast_bap_read;
2902 set_bit(FLAG_FLASHING, &ai->flags);
2905 /* Test for WPA support */
2906 if (airo_test_wpa_capable(ai)) {
2907 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2908 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2909 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2910 ai->bssListRidLen = sizeof(BSSListRid);
2912 ai->bssListFirst = RID_BSSLISTFIRST;
2913 ai->bssListNext = RID_BSSLISTNEXT;
2914 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2917 strcpy(dev->name, "eth%d");
2918 rc = register_netdev(dev);
2920 airo_print_err(dev->name, "Couldn't register_netdev");
2923 ai->wifidev = init_wifidev(ai, dev);
2927 set_bit(FLAG_REGISTERED,&ai->flags);
2928 airo_print_info(dev->name, "MAC enabled %s",
2929 print_mac(mac, dev->dev_addr));
2931 /* Allocate the transmit buffers */
2932 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2933 for( i = 0; i < MAX_FIDS; i++ )
2934 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2936 if (setup_proc_entry(dev, dev->priv) < 0)
2942 unregister_netdev(ai->wifidev);
2943 free_netdev(ai->wifidev);
2945 unregister_netdev(dev);
2947 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2948 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2949 iounmap(ai->pciaux);
2950 iounmap(ai->pcimem);
2951 mpi_unmap_card(ai->pci);
2955 release_region( dev->base_addr, 64 );
2957 airo_networks_free(ai);
2964 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2965 struct device *dmdev)
2967 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2970 EXPORT_SYMBOL(init_airo_card);
2972 static int waitbusy (struct airo_info *ai) {
2974 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2976 if ((++delay % 20) == 0)
2977 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2979 return delay < 10000;
2982 int reset_airo_card( struct net_device *dev )
2985 struct airo_info *ai = dev->priv;
2986 DECLARE_MAC_BUF(mac);
2988 if (reset_card (dev, 1))
2991 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2992 airo_print_err(dev->name, "MAC could not be enabled");
2995 airo_print_info(dev->name, "MAC enabled %s",
2996 print_mac(mac, dev->dev_addr));
2997 /* Allocate the transmit buffers if needed */
2998 if (!test_bit(FLAG_MPI,&ai->flags))
2999 for( i = 0; i < MAX_FIDS; i++ )
3000 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
3002 enable_interrupts( ai );
3003 netif_wake_queue(dev);
3007 EXPORT_SYMBOL(reset_airo_card);
3009 static void airo_send_event(struct net_device *dev) {
3010 struct airo_info *ai = dev->priv;
3011 union iwreq_data wrqu;
3012 StatusRid status_rid;
3014 clear_bit(JOB_EVENT, &ai->jobs);
3015 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3017 wrqu.data.length = 0;
3018 wrqu.data.flags = 0;
3019 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3020 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3022 /* Send event to user space */
3023 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3026 static void airo_process_scan_results (struct airo_info *ai) {
3027 union iwreq_data wrqu;
3030 BSSListElement * loop_net;
3031 BSSListElement * tmp_net;
3033 /* Blow away current list of scan results */
3034 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3035 list_move_tail (&loop_net->list, &ai->network_free_list);
3036 /* Don't blow away ->list, just BSS data */
3037 memset (loop_net, 0, sizeof (loop_net->bss));
3040 /* Try to read the first entry of the scan result */
3041 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3042 if((rc) || (bss.index == 0xffff)) {
3043 /* No scan results */
3047 /* Read and parse all entries */
3049 while((!rc) && (bss.index != 0xffff)) {
3050 /* Grab a network off the free list */
3051 if (!list_empty(&ai->network_free_list)) {
3052 tmp_net = list_entry(ai->network_free_list.next,
3053 BSSListElement, list);
3054 list_del(ai->network_free_list.next);
3057 if (tmp_net != NULL) {
3058 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3059 list_add_tail(&tmp_net->list, &ai->network_list);
3063 /* Read next entry */
3064 rc = PC4500_readrid(ai, ai->bssListNext,
3065 &bss, ai->bssListRidLen, 0);
3069 ai->scan_timeout = 0;
3070 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3073 /* Send an empty event to user space.
3074 * We don't send the received data on
3075 * the event because it would require
3076 * us to do complex transcoding, and
3077 * we want to minimise the work done in
3078 * the irq handler. Use a request to
3079 * extract the data - Jean II */
3080 wrqu.data.length = 0;
3081 wrqu.data.flags = 0;
3082 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3085 static int airo_thread(void *data) {
3086 struct net_device *dev = data;
3087 struct airo_info *ai = dev->priv;
3092 /* make swsusp happy with our thread */
3095 if (test_bit(JOB_DIE, &ai->jobs))
3099 locked = down_interruptible(&ai->sem);
3103 init_waitqueue_entry(&wait, current);
3104 add_wait_queue(&ai->thr_wait, &wait);
3106 set_current_state(TASK_INTERRUPTIBLE);
3109 if (ai->expires || ai->scan_timeout) {
3110 if (ai->scan_timeout &&
3111 time_after_eq(jiffies,ai->scan_timeout)){
3112 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3114 } else if (ai->expires &&
3115 time_after_eq(jiffies,ai->expires)){
3116 set_bit(JOB_AUTOWEP, &ai->jobs);
3119 if (!kthread_should_stop() &&
3120 !freezing(current)) {
3121 unsigned long wake_at;
3122 if (!ai->expires || !ai->scan_timeout) {
3123 wake_at = max(ai->expires,
3126 wake_at = min(ai->expires,
3129 schedule_timeout(wake_at - jiffies);
3132 } else if (!kthread_should_stop() &&
3133 !freezing(current)) {
3139 current->state = TASK_RUNNING;
3140 remove_wait_queue(&ai->thr_wait, &wait);
3147 if (test_bit(JOB_DIE, &ai->jobs)) {
3152 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3157 if (test_bit(JOB_XMIT, &ai->jobs))
3159 else if (test_bit(JOB_XMIT11, &ai->jobs))
3160 airo_end_xmit11(dev);
3161 else if (test_bit(JOB_STATS, &ai->jobs))
3162 airo_read_stats(ai);
3163 else if (test_bit(JOB_WSTATS, &ai->jobs))
3164 airo_read_wireless_stats(ai);
3165 else if (test_bit(JOB_PROMISC, &ai->jobs))
3166 airo_set_promisc(ai);
3167 else if (test_bit(JOB_MIC, &ai->jobs))
3169 else if (test_bit(JOB_EVENT, &ai->jobs))
3170 airo_send_event(dev);
3171 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3173 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3174 airo_process_scan_results(ai);
3175 else /* Shouldn't get here, but we make sure to unlock */
3182 static int header_len(__le16 ctl)
3184 u16 fc = le16_to_cpu(ctl);
3187 if ((fc & 0xe0) == 0xc0)
3188 return 10; /* one-address control packet */
3189 return 16; /* two-address control packet */
3191 if ((fc & 0x300) == 0x300)
3192 return 30; /* WDS packet */
3197 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3199 struct net_device *dev = dev_id;
3202 struct airo_info *apriv = dev->priv;
3203 u16 savedInterrupts = 0;
3206 if (!netif_device_present(dev))
3210 status = IN4500( apriv, EVSTAT );
3211 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3215 if ( status & EV_AWAKE ) {
3216 OUT4500( apriv, EVACK, EV_AWAKE );
3217 OUT4500( apriv, EVACK, EV_AWAKE );
3220 if (!savedInterrupts) {
3221 savedInterrupts = IN4500( apriv, EVINTEN );
3222 OUT4500( apriv, EVINTEN, 0 );
3225 if ( status & EV_MIC ) {
3226 OUT4500( apriv, EVACK, EV_MIC );
3227 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3228 set_bit(JOB_MIC, &apriv->jobs);
3229 wake_up_interruptible(&apriv->thr_wait);
3232 if ( status & EV_LINK ) {
3233 union iwreq_data wrqu;
3234 int scan_forceloss = 0;
3235 /* The link status has changed, if you want to put a
3236 monitor hook in, do it here. (Remember that
3237 interrupts are still disabled!)
3239 u16 newStatus = IN4500(apriv, LINKSTAT);
3240 OUT4500( apriv, EVACK, EV_LINK);
3241 /* Here is what newStatus means: */
3242 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3243 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3244 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3245 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3246 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3247 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3248 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3249 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3251 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3253 #define ASSOCIATED 0x0400 /* Associated */
3254 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3255 #define RC_RESERVED 0 /* Reserved return code */
3256 #define RC_NOREASON 1 /* Unspecified reason */
3257 #define RC_AUTHINV 2 /* Previous authentication invalid */
3258 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3260 #define RC_NOACT 4 /* Disassociated due to inactivity */
3261 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3262 all currently associated stations */
3263 #define RC_BADCLASS2 6 /* Class 2 frame received from
3264 non-Authenticated station */
3265 #define RC_BADCLASS3 7 /* Class 3 frame received from
3266 non-Associated station */
3267 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3269 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3270 Authenticated with the responding station */
3271 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3273 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3276 if (apriv->list_bss_task)
3277 wake_up_process(apriv->list_bss_task);
3278 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3279 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3281 if (down_trylock(&apriv->sem) != 0) {
3282 set_bit(JOB_EVENT, &apriv->jobs);
3283 wake_up_interruptible(&apriv->thr_wait);
3285 airo_send_event(dev);
3286 } else if (!scan_forceloss) {
3287 if (auto_wep && !apriv->expires) {
3288 apriv->expires = RUN_AT(3*HZ);
3289 wake_up_interruptible(&apriv->thr_wait);
3292 /* Send event to user space */
3293 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3294 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3295 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3299 /* Check to see if there is something to receive */
3300 if ( status & EV_RX ) {
3301 struct sk_buff *skb = NULL;
3302 u16 fc, len, hdrlen = 0;
3316 if (test_bit(FLAG_MPI,&apriv->flags)) {
3317 if (test_bit(FLAG_802_11, &apriv->flags))
3318 mpi_receive_802_11(apriv);
3320 mpi_receive_802_3(apriv);
3321 OUT4500(apriv, EVACK, EV_RX);
3325 fid = IN4500( apriv, RXFID );
3327 /* Get the packet length */
3328 if (test_bit(FLAG_802_11, &apriv->flags)) {
3329 bap_setup (apriv, fid, 4, BAP0);
3330 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3331 /* Bad CRC. Ignore packet */
3332 if (le16_to_cpu(hdr.status) & 2)
3334 if (apriv->wifidev == NULL)
3337 bap_setup (apriv, fid, 0x36, BAP0);
3338 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3340 len = le16_to_cpu(hdr.len);
3342 if (len > AIRO_DEF_MTU) {
3343 airo_print_err(apriv->dev->name, "Bad size %d", len);
3349 if (test_bit(FLAG_802_11, &apriv->flags)) {
3350 bap_read (apriv, &fc, sizeof(fc), BAP0);
3351 hdrlen = header_len(fc);
3353 hdrlen = ETH_ALEN * 2;
3355 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3357 apriv->stats.rx_dropped++;
3360 skb_reserve(skb, 2); /* This way the IP header is aligned */
3361 buffer = (u16*)skb_put (skb, len + hdrlen);
3362 if (test_bit(FLAG_802_11, &apriv->flags)) {
3364 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3366 bap_read (apriv, tmpbuf, 6, BAP0);
3368 bap_read (apriv, &gap, sizeof(gap), BAP0);
3369 gap = le16_to_cpu(gap);
3372 bap_read (apriv, tmpbuf, gap, BAP0);
3374 airo_print_err(apriv->dev->name, "gaplen too "
3375 "big. Problems will follow...");
3378 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3381 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3382 if (apriv->micstats.enabled) {
3383 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3384 if (ntohs(micbuf.typelen) > 0x05DC)
3385 bap_setup (apriv, fid, 0x44, BAP0);
3387 if (len <= sizeof(micbuf))
3390 len -= sizeof(micbuf);
3391 skb_trim (skb, len + hdrlen);
3394 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3395 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3397 dev_kfree_skb_irq (skb);
3399 OUT4500( apriv, EVACK, EV_RX);
3404 if (apriv->spy_data.spy_number > 0) {
3406 struct iw_quality wstats;
3407 /* Prepare spy data : addr + qual */
3408 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3409 sa = (char*)buffer + 6;
3410 bap_setup (apriv, fid, 8, BAP0);
3411 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3413 sa = (char*)buffer + 10;
3414 wstats.qual = hdr.rssi[0];
3416 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3418 wstats.level = (hdr.rssi[1] + 321) / 2;
3419 wstats.noise = apriv->wstats.qual.noise;
3420 wstats.updated = IW_QUAL_LEVEL_UPDATED
3421 | IW_QUAL_QUAL_UPDATED
3423 /* Update spy records */
3424 wireless_spy_update(dev, sa, &wstats);
3426 #endif /* WIRELESS_SPY */
3427 OUT4500( apriv, EVACK, EV_RX);
3429 if (test_bit(FLAG_802_11, &apriv->flags)) {
3430 skb_reset_mac_header(skb);
3431 skb->pkt_type = PACKET_OTHERHOST;
3432 skb->dev = apriv->wifidev;
3433 skb->protocol = htons(ETH_P_802_2);
3435 skb->protocol = eth_type_trans(skb,dev);
3436 skb->dev->last_rx = jiffies;
3437 skb->ip_summed = CHECKSUM_NONE;
3443 /* Check to see if a packet has been transmitted */
3444 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3449 if (test_bit(FLAG_MPI,&apriv->flags)) {
3450 unsigned long flags;
3452 if (status & EV_TXEXC)
3453 get_tx_error(apriv, -1);
3454 spin_lock_irqsave(&apriv->aux_lock, flags);
3455 if (!skb_queue_empty(&apriv->txq)) {
3456 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3457 mpi_send_packet (dev);
3459 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3460 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3461 netif_wake_queue (dev);
3463 OUT4500( apriv, EVACK,
3464 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3468 fid = IN4500(apriv, TXCOMPLFID);
3470 for( i = 0; i < MAX_FIDS; i++ ) {
3471 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3472 len = apriv->fids[i] >> 16;
3477 if (status & EV_TXEXC)
3478 get_tx_error(apriv, index);
3479 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3480 /* Set up to be used again */
3481 apriv->fids[index] &= 0xffff;
3482 if (index < MAX_FIDS / 2) {
3483 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3484 netif_wake_queue(dev);
3486 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3487 netif_wake_queue(apriv->wifidev);
3490 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3491 airo_print_err(apriv->dev->name, "Unallocated FID was "
3496 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3497 airo_print_warn(apriv->dev->name, "Got weird status %x",
3498 status & ~STATUS_INTS & ~IGNORE_INTS );
3501 if (savedInterrupts)
3502 OUT4500( apriv, EVINTEN, savedInterrupts );
3505 return IRQ_RETVAL(handled);
3509 * Routines to talk to the card
3513 * This was originally written for the 4500, hence the name
3514 * NOTE: If use with 8bit mode and SMP bad things will happen!
3515 * Why would some one do 8 bit IO in an SMP machine?!?
3517 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3518 if (test_bit(FLAG_MPI,&ai->flags))
3521 outw( val, ai->dev->base_addr + reg );
3523 outb( val & 0xff, ai->dev->base_addr + reg );
3524 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3528 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3531 if (test_bit(FLAG_MPI,&ai->flags))
3534 rc = inw( ai->dev->base_addr + reg );
3536 rc = inb( ai->dev->base_addr + reg );
3537 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3542 static int enable_MAC(struct airo_info *ai, int lock)
3548 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3549 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3550 * Note : we could try to use !netif_running(dev) in enable_MAC()
3551 * instead of this flag, but I don't trust it *within* the
3552 * open/close functions, and testing both flags together is
3553 * "cheaper" - Jean II */
3554 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3556 if (lock && down_interruptible(&ai->sem))
3557 return -ERESTARTSYS;
3559 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3560 memset(&cmd, 0, sizeof(cmd));
3561 cmd.cmd = MAC_ENABLE;
3562 rc = issuecommand(ai, &cmd, &rsp);
3564 set_bit(FLAG_ENABLED, &ai->flags);
3572 airo_print_err(ai->dev->name, "Cannot enable MAC");
3573 else if ((rsp.status & 0xFF00) != 0) {
3574 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3575 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3581 static void disable_MAC( struct airo_info *ai, int lock ) {
3585 if (lock && down_interruptible(&ai->sem))
3588 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3589 memset(&cmd, 0, sizeof(cmd));
3590 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3591 issuecommand(ai, &cmd, &rsp);
3592 clear_bit(FLAG_ENABLED, &ai->flags);
3598 static void enable_interrupts( struct airo_info *ai ) {
3599 /* Enable the interrupts */
3600 OUT4500( ai, EVINTEN, STATUS_INTS );
3603 static void disable_interrupts( struct airo_info *ai ) {
3604 OUT4500( ai, EVINTEN, 0 );
3607 static void mpi_receive_802_3(struct airo_info *ai)
3611 struct sk_buff *skb;
3616 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3617 /* Make sure we got something */
3618 if (rxd.rdy && rxd.valid == 0) {
3620 if (len < 12 || len > 2048)
3623 skb = dev_alloc_skb(len);
3625 ai->stats.rx_dropped++;
3628 buffer = skb_put(skb,len);
3629 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3630 if (ai->micstats.enabled) {
3632 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3634 if (ntohs(micbuf.typelen) <= 0x05DC) {
3635 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3638 off = sizeof(micbuf);
3639 skb_trim (skb, len - off);
3642 memcpy(buffer + ETH_ALEN * 2,
3643 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3644 len - ETH_ALEN * 2 - off);
3645 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3647 dev_kfree_skb_irq (skb);
3651 if (ai->spy_data.spy_number > 0) {
3653 struct iw_quality wstats;
3654 /* Prepare spy data : addr + qual */
3655 sa = buffer + ETH_ALEN;
3656 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3659 /* Update spy records */
3660 wireless_spy_update(ai->dev, sa, &wstats);
3662 #endif /* WIRELESS_SPY */
3664 skb->ip_summed = CHECKSUM_NONE;
3665 skb->protocol = eth_type_trans(skb, ai->dev);
3666 skb->dev->last_rx = jiffies;
3670 if (rxd.valid == 0) {
3674 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3678 void mpi_receive_802_11 (struct airo_info *ai)
3681 struct sk_buff *skb = NULL;
3682 u16 len, hdrlen = 0;
3695 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3697 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3698 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3700 /* Bad CRC. Ignore packet */
3701 if (le16_to_cpu(hdr.status) & 2)
3703 if (ai->wifidev == NULL)
3705 len = le16_to_cpu(hdr.len);
3706 if (len > AIRO_DEF_MTU) {
3707 airo_print_err(ai->dev->name, "Bad size %d", len);
3713 fc = get_unaligned((__le16 *)ptr);
3714 hdrlen = header_len(fc);
3716 skb = dev_alloc_skb( len + hdrlen + 2 );
3718 ai->stats.rx_dropped++;
3721 buffer = (u16*)skb_put (skb, len + hdrlen);
3722 memcpy ((char *)buffer, ptr, hdrlen);
3726 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3727 ptr += sizeof(__le16);
3732 airo_print_err(ai->dev->name,
3733 "gaplen too big. Problems will follow...");
3735 memcpy ((char *)buffer + hdrlen, ptr, len);
3737 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3738 if (ai->spy_data.spy_number > 0) {
3740 struct iw_quality wstats;
3741 /* Prepare spy data : addr + qual */
3742 sa = (char*)buffer + 10;
3743 wstats.qual = hdr.rssi[0];
3745 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3747 wstats.level = (hdr.rssi[1] + 321) / 2;
3748 wstats.noise = ai->wstats.qual.noise;
3749 wstats.updated = IW_QUAL_QUAL_UPDATED
3750 | IW_QUAL_LEVEL_UPDATED
3752 /* Update spy records */
3753 wireless_spy_update(ai->dev, sa, &wstats);
3755 #endif /* IW_WIRELESS_SPY */
3756 skb_reset_mac_header(skb);
3757 skb->pkt_type = PACKET_OTHERHOST;
3758 skb->dev = ai->wifidev;
3759 skb->protocol = htons(ETH_P_802_2);
3760 skb->dev->last_rx = jiffies;
3761 skb->ip_summed = CHECKSUM_NONE;
3764 if (rxd.valid == 0) {
3768 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3772 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3783 memset( &mySsid, 0, sizeof( mySsid ) );
3787 /* The NOP is the first step in getting the card going */
3789 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3790 if (lock && down_interruptible(&ai->sem))
3792 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3797 disable_MAC( ai, 0);
3799 // Let's figure out if we need to use the AUX port
3800 if (!test_bit(FLAG_MPI,&ai->flags)) {
3801 cmd.cmd = CMD_ENABLEAUX;
3802 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3805 airo_print_err(ai->dev->name, "Error checking for AUX port");
3808 if (!aux_bap || rsp.status & 0xff00) {
3809 ai->bap_read = fast_bap_read;
3810 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3812 ai->bap_read = aux_bap_read;
3813 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3818 if (ai->config.len == 0) {
3819 tdsRssiRid rssi_rid;
3820 CapabilityRid cap_rid;
3826 // general configuration (read/modify/write)
3827 status = readConfigRid(ai, lock);
3828 if ( status != SUCCESS ) return ERROR;
3830 status = readCapabilityRid(ai, &cap_rid, lock);
3831 if ( status != SUCCESS ) return ERROR;
3833 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3834 if ( status == SUCCESS ) {
3835 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3836 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3841 if (cap_rid.softCap & 8)
3842 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3844 airo_print_warn(ai->dev->name, "unknown received signal "
3847 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3848 ai->config.authType = AUTH_OPEN;
3849 ai->config.modulation = MOD_CCK;
3851 if ((cap_rid.len>=sizeof(cap_rid)) &&
3852 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3853 (micsetup(ai) == SUCCESS)) {
3854 ai->config.opmode |= MODE_MIC;
3855 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3858 /* Save off the MAC */
3859 for( i = 0; i < ETH_ALEN; i++ ) {
3860 mac[i] = ai->config.macAddr[i];
3863 /* Check to see if there are any insmod configured
3867 memset(ai->config.rates,0,sizeof(ai->config.rates));
3868 for( i = 0; i < 8 && rates[i]; i++ ) {
3869 ai->config.rates[i] = rates[i];
3872 if ( basic_rate > 0 ) {
3874 for( i = 0; i < 8; i++ ) {
3875 if ( ai->config.rates[i] == basic_rate ||
3876 !ai->config.rates ) {
3877 ai->config.rates[i] = basic_rate | 0x80;
3882 set_bit (FLAG_COMMIT, &ai->flags);
3885 /* Setup the SSIDs if present */
3888 for( i = 0; i < 3 && ssids[i]; i++ ) {
3889 mySsid.ssids[i].len = strlen(ssids[i]);
3890 if ( mySsid.ssids[i].len > 32 )
3891 mySsid.ssids[i].len = 32;
3892 memcpy(mySsid.ssids[i].ssid, ssids[i],
3893 mySsid.ssids[i].len);
3895 mySsid.len = sizeof(mySsid);
3898 status = writeConfigRid(ai, lock);
3899 if ( status != SUCCESS ) return ERROR;
3901 /* Set up the SSID list */
3903 status = writeSsidRid(ai, &mySsid, lock);
3904 if ( status != SUCCESS ) return ERROR;
3907 status = enable_MAC(ai, lock);
3908 if (status != SUCCESS)
3911 /* Grab the initial wep key, we gotta save it for auto_wep */
3912 rc = readWepKeyRid(ai, &wkr, 1, lock);
3913 if (rc == SUCCESS) do {
3914 lastindex = wkr.kindex;
3915 if (wkr.kindex == 0xffff) {
3916 ai->defindex = wkr.mac[0];
3918 rc = readWepKeyRid(ai, &wkr, 0, lock);
3919 } while(lastindex != wkr.kindex);
3926 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3927 // Im really paranoid about letting it run forever!
3928 int max_tries = 600000;
3930 if (IN4500(ai, EVSTAT) & EV_CMD)
3931 OUT4500(ai, EVACK, EV_CMD);
3933 OUT4500(ai, PARAM0, pCmd->parm0);
3934 OUT4500(ai, PARAM1, pCmd->parm1);
3935 OUT4500(ai, PARAM2, pCmd->parm2);
3936 OUT4500(ai, COMMAND, pCmd->cmd);
3938 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3939 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3940 // PC4500 didn't notice command, try again
3941 OUT4500(ai, COMMAND, pCmd->cmd);
3942 if (!in_atomic() && (max_tries & 255) == 0)
3946 if ( max_tries == -1 ) {
3947 airo_print_err(ai->dev->name,
3948 "Max tries exceeded when issueing command");
3949 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3950 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3954 // command completed
3955 pRsp->status = IN4500(ai, STATUS);
3956 pRsp->rsp0 = IN4500(ai, RESP0);
3957 pRsp->rsp1 = IN4500(ai, RESP1);
3958 pRsp->rsp2 = IN4500(ai, RESP2);
3959 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3960 airo_print_err(ai->dev->name,
3961 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3962 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3965 // clear stuck command busy if necessary
3966 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3967 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3969 // acknowledge processing the status/response
3970 OUT4500(ai, EVACK, EV_CMD);
3975 /* Sets up the bap to start exchange data. whichbap should
3976 * be one of the BAP0 or BAP1 defines. Locks should be held before
3978 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3983 OUT4500(ai, SELECT0+whichbap, rid);
3984 OUT4500(ai, OFFSET0+whichbap, offset);
3986 int status = IN4500(ai, OFFSET0+whichbap);
3987 if (status & BAP_BUSY) {
3988 /* This isn't really a timeout, but its kinda
3993 } else if ( status & BAP_ERR ) {
3994 /* invalid rid or offset */
3995 airo_print_err(ai->dev->name, "BAP error %x %d",
3998 } else if (status & BAP_DONE) { // success
4001 if ( !(max_tries--) ) {
4002 airo_print_err(ai->dev->name,
4003 "BAP setup error too many retries\n");
4006 // -- PC4500 missed it, try again
4007 OUT4500(ai, SELECT0+whichbap, rid);
4008 OUT4500(ai, OFFSET0+whichbap, offset);
4013 /* should only be called by aux_bap_read. This aux function and the
4014 following use concepts not documented in the developers guide. I
4015 got them from a patch given to my by Aironet */
4016 static u16 aux_setup(struct airo_info *ai, u16 page,
4017 u16 offset, u16 *len)
4021 OUT4500(ai, AUXPAGE, page);
4022 OUT4500(ai, AUXOFF, 0);
4023 next = IN4500(ai, AUXDATA);
4024 *len = IN4500(ai, AUXDATA)&0xff;
4025 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4029 /* requires call to bap_setup() first */
4030 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4031 int bytelen, int whichbap)
4039 unsigned long flags;
4041 spin_lock_irqsave(&ai->aux_lock, flags);
4042 page = IN4500(ai, SWS0+whichbap);
4043 offset = IN4500(ai, SWS2+whichbap);
4044 next = aux_setup(ai, page, offset, &len);
4045 words = (bytelen+1)>>1;
4047 for (i=0; i<words;) {
4049 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4051 insw( ai->dev->base_addr+DATA0+whichbap,
4054 insb( ai->dev->base_addr+DATA0+whichbap,
4055 pu16Dst+i, count << 1 );
4058 next = aux_setup(ai, next, 4, &len);
4061 spin_unlock_irqrestore(&ai->aux_lock, flags);
4066 /* requires call to bap_setup() first */
4067 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4068 int bytelen, int whichbap)
4070 bytelen = (bytelen + 1) & (~1); // round up to even value
4072 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4074 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4078 /* requires call to bap_setup() first */
4079 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4080 int bytelen, int whichbap)
4082 bytelen = (bytelen + 1) & (~1); // round up to even value
4084 outsw( ai->dev->base_addr+DATA0+whichbap,
4085 pu16Src, bytelen>>1 );
4087 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4091 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4093 Cmd cmd; /* for issuing commands */
4094 Resp rsp; /* response from commands */
4097 memset(&cmd, 0, sizeof(cmd));
4100 status = issuecommand(ai, &cmd, &rsp);
4101 if (status != 0) return status;
4102 if ( (rsp.status & 0x7F00) != 0) {
4103 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4108 /* Note, that we are using BAP1 which is also used by transmit, so
4109 * we must get a lock. */
4110 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4116 if (down_interruptible(&ai->sem))
4119 if (test_bit(FLAG_MPI,&ai->flags)) {
4123 memset(&cmd, 0, sizeof(cmd));
4124 memset(&rsp, 0, sizeof(rsp));
4125 ai->config_desc.rid_desc.valid = 1;
4126 ai->config_desc.rid_desc.len = RIDSIZE;
4127 ai->config_desc.rid_desc.rid = 0;
4128 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4130 cmd.cmd = CMD_ACCESS;
4133 memcpy_toio(ai->config_desc.card_ram_off,
4134 &ai->config_desc.rid_desc, sizeof(Rid));
4136 rc = issuecommand(ai, &cmd, &rsp);
4138 if (rsp.status & 0x7f00)
4141 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4144 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4148 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4152 // read the rid length field
4153 bap_read(ai, pBuf, 2, BAP1);
4154 // length for remaining part of rid
4155 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4158 airo_print_err(ai->dev->name,
4159 "Rid %x has a length of %d which is too short",
4160 (int)rid, (int)len );
4164 // read remainder of the rid
4165 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4173 /* Note, that we are using BAP1 which is also used by transmit, so
4174 * make sure this isnt called when a transmit is happening */
4175 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4176 const void *pBuf, int len, int lock)
4181 *(__le16*)pBuf = cpu_to_le16((u16)len);
4184 if (down_interruptible(&ai->sem))
4187 if (test_bit(FLAG_MPI,&ai->flags)) {
4191 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4192 airo_print_err(ai->dev->name,
4193 "%s: MAC should be disabled (rid=%04x)",
4195 memset(&cmd, 0, sizeof(cmd));
4196 memset(&rsp, 0, sizeof(rsp));
4198 ai->config_desc.rid_desc.valid = 1;
4199 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4200 ai->config_desc.rid_desc.rid = 0;
4202 cmd.cmd = CMD_WRITERID;
4205 memcpy_toio(ai->config_desc.card_ram_off,
4206 &ai->config_desc.rid_desc, sizeof(Rid));
4208 if (len < 4 || len > 2047) {
4209 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4212 memcpy((char *)ai->config_desc.virtual_host_addr,
4215 rc = issuecommand(ai, &cmd, &rsp);
4216 if ((rc & 0xff00) != 0) {
4217 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4219 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4220 __FUNCTION__, cmd.cmd);
4223 if ((rsp.status & 0x7f00))
4227 // --- first access so that we can write the rid data
4228 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4232 // --- now write the rid data
4233 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4237 bap_write(ai, pBuf, len, BAP1);
4238 // ---now commit the rid data
4239 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4247 /* Allocates a FID to be used for transmitting packets. We only use
4249 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4251 unsigned int loop = 3000;
4257 cmd.cmd = CMD_ALLOCATETX;
4258 cmd.parm0 = lenPayload;
4259 if (down_interruptible(&ai->sem))
4261 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4265 if ( (rsp.status & 0xFF00) != 0) {
4269 /* wait for the allocate event/indication
4270 * It makes me kind of nervous that this can just sit here and spin,
4271 * but in practice it only loops like four times. */
4272 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4278 // get the allocated fid and acknowledge
4279 txFid = IN4500(ai, TXALLOCFID);
4280 OUT4500(ai, EVACK, EV_ALLOC);
4282 /* The CARD is pretty cool since it converts the ethernet packet
4283 * into 802.11. Also note that we don't release the FID since we
4284 * will be using the same one over and over again. */
4285 /* We only have to setup the control once since we are not
4286 * releasing the fid. */
4288 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4289 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4291 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4292 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4293 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4296 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4304 /* In general BAP1 is dedicated to transmiting packets. However,
4305 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4306 Make sure the BAP1 spinlock is held when this is called. */
4307 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4318 if (len <= ETH_ALEN * 2) {
4319 airo_print_warn(ai->dev->name, "Short packet %d", len);
4322 len -= ETH_ALEN * 2;
4324 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4325 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4326 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4328 miclen = sizeof(pMic);
4330 // packet is destination[6], source[6], payload[len-12]
4331 // write the payload length and dst/src/payload
4332 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4333 /* The hardware addresses aren't counted as part of the payload, so
4334 * we have to subtract the 12 bytes for the addresses off */
4335 payloadLen = cpu_to_le16(len + miclen);
4336 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4337 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4339 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4340 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4341 // issue the transmit command
4342 memset( &cmd, 0, sizeof( cmd ) );
4343 cmd.cmd = CMD_TRANSMIT;
4345 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4346 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4350 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4352 __le16 fc, payloadLen;
4356 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4357 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4361 fc = *(__le16*)pPacket;
4362 hdrlen = header_len(fc);
4365 airo_print_warn(ai->dev->name, "Short packet %d", len);
4369 /* packet is 802.11 header + payload
4370 * write the payload length and dst/src/payload */
4371 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4372 /* The 802.11 header aren't counted as part of the payload, so
4373 * we have to subtract the header bytes off */
4374 payloadLen = cpu_to_le16(len-hdrlen);
4375 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4376 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4377 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4378 bap_write(ai, (u16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4380 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4381 // issue the transmit command
4382 memset( &cmd, 0, sizeof( cmd ) );
4383 cmd.cmd = CMD_TRANSMIT;
4385 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4386 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4391 * This is the proc_fs routines. It is a bit messier than I would
4392 * like! Feel free to clean it up!
4395 static ssize_t proc_read( struct file *file,
4396 char __user *buffer,
4400 static ssize_t proc_write( struct file *file,
4401 const char __user *buffer,
4404 static int proc_close( struct inode *inode, struct file *file );
4406 static int proc_stats_open( struct inode *inode, struct file *file );
4407 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4408 static int proc_status_open( struct inode *inode, struct file *file );
4409 static int proc_SSID_open( struct inode *inode, struct file *file );
4410 static int proc_APList_open( struct inode *inode, struct file *file );
4411 static int proc_BSSList_open( struct inode *inode, struct file *file );
4412 static int proc_config_open( struct inode *inode, struct file *file );
4413 static int proc_wepkey_open( struct inode *inode, struct file *file );
4415 static const struct file_operations proc_statsdelta_ops = {
4417 .open = proc_statsdelta_open,
4418 .release = proc_close
4421 static const struct file_operations proc_stats_ops = {
4423 .open = proc_stats_open,
4424 .release = proc_close
4427 static const struct file_operations proc_status_ops = {
4429 .open = proc_status_open,
4430 .release = proc_close
4433 static const struct file_operations proc_SSID_ops = {
4435 .write = proc_write,
4436 .open = proc_SSID_open,
4437 .release = proc_close
4440 static const struct file_operations proc_BSSList_ops = {
4442 .write = proc_write,
4443 .open = proc_BSSList_open,
4444 .release = proc_close
4447 static const struct file_operations proc_APList_ops = {
4449 .write = proc_write,
4450 .open = proc_APList_open,
4451 .release = proc_close
4454 static const struct file_operations proc_config_ops = {
4456 .write = proc_write,
4457 .open = proc_config_open,
4458 .release = proc_close
4461 static const struct file_operations proc_wepkey_ops = {
4463 .write = proc_write,
4464 .open = proc_wepkey_open,
4465 .release = proc_close
4468 static struct proc_dir_entry *airo_entry;
4477 void (*on_close) (struct inode *, struct file *);
4481 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4484 static int setup_proc_entry( struct net_device *dev,
4485 struct airo_info *apriv ) {
4486 struct proc_dir_entry *entry;
4487 /* First setup the device directory */
4488 strcpy(apriv->proc_name,dev->name);
4489 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4492 if (!apriv->proc_entry)
4494 apriv->proc_entry->uid = proc_uid;
4495 apriv->proc_entry->gid = proc_gid;
4496 apriv->proc_entry->owner = THIS_MODULE;
4498 /* Setup the StatsDelta */
4499 entry = create_proc_entry("StatsDelta",
4500 S_IFREG | (S_IRUGO&proc_perm),
4503 goto fail_stats_delta;
4504 entry->uid = proc_uid;
4505 entry->gid = proc_gid;
4507 entry->owner = THIS_MODULE;
4508 SETPROC_OPS(entry, proc_statsdelta_ops);
4510 /* Setup the Stats */
4511 entry = create_proc_entry("Stats",
4512 S_IFREG | (S_IRUGO&proc_perm),
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
4519 entry->owner = THIS_MODULE;
4520 SETPROC_OPS(entry, proc_stats_ops);
4522 /* Setup the Status */
4523 entry = create_proc_entry("Status",
4524 S_IFREG | (S_IRUGO&proc_perm),
4528 entry->uid = proc_uid;
4529 entry->gid = proc_gid;
4531 entry->owner = THIS_MODULE;
4532 SETPROC_OPS(entry, proc_status_ops);
4534 /* Setup the Config */
4535 entry = create_proc_entry("Config",
4536 S_IFREG | proc_perm,
4540 entry->uid = proc_uid;
4541 entry->gid = proc_gid;
4543 entry->owner = THIS_MODULE;
4544 SETPROC_OPS(entry, proc_config_ops);
4546 /* Setup the SSID */
4547 entry = create_proc_entry("SSID",
4548 S_IFREG | proc_perm,
4552 entry->uid = proc_uid;
4553 entry->gid = proc_gid;
4555 entry->owner = THIS_MODULE;
4556 SETPROC_OPS(entry, proc_SSID_ops);
4558 /* Setup the APList */
4559 entry = create_proc_entry("APList",
4560 S_IFREG | proc_perm,
4564 entry->uid = proc_uid;
4565 entry->gid = proc_gid;
4567 entry->owner = THIS_MODULE;
4568 SETPROC_OPS(entry, proc_APList_ops);
4570 /* Setup the BSSList */
4571 entry = create_proc_entry("BSSList",
4572 S_IFREG | proc_perm,
4576 entry->uid = proc_uid;
4577 entry->gid = proc_gid;
4579 entry->owner = THIS_MODULE;
4580 SETPROC_OPS(entry, proc_BSSList_ops);
4582 /* Setup the WepKey */
4583 entry = create_proc_entry("WepKey",
4584 S_IFREG | proc_perm,
4588 entry->uid = proc_uid;
4589 entry->gid = proc_gid;
4591 entry->owner = THIS_MODULE;
4592 SETPROC_OPS(entry, proc_wepkey_ops);
4597 remove_proc_entry("BSSList", apriv->proc_entry);
4599 remove_proc_entry("APList", apriv->proc_entry);
4601 remove_proc_entry("SSID", apriv->proc_entry);
4603 remove_proc_entry("Config", apriv->proc_entry);
4605 remove_proc_entry("Status", apriv->proc_entry);
4607 remove_proc_entry("Stats", apriv->proc_entry);
4609 remove_proc_entry("StatsDelta", apriv->proc_entry);
4611 remove_proc_entry(apriv->proc_name, airo_entry);
4616 static int takedown_proc_entry( struct net_device *dev,
4617 struct airo_info *apriv ) {
4618 if ( !apriv->proc_entry->namelen ) return 0;
4619 remove_proc_entry("Stats",apriv->proc_entry);
4620 remove_proc_entry("StatsDelta",apriv->proc_entry);
4621 remove_proc_entry("Status",apriv->proc_entry);
4622 remove_proc_entry("Config",apriv->proc_entry);
4623 remove_proc_entry("SSID",apriv->proc_entry);
4624 remove_proc_entry("APList",apriv->proc_entry);
4625 remove_proc_entry("BSSList",apriv->proc_entry);
4626 remove_proc_entry("WepKey",apriv->proc_entry);
4627 remove_proc_entry(apriv->proc_name,airo_entry);
4632 * What we want from the proc_fs is to be able to efficiently read
4633 * and write the configuration. To do this, we want to read the
4634 * configuration when the file is opened and write it when the file is
4635 * closed. So basically we allocate a read buffer at open and fill it
4636 * with data, and allocate a write buffer and read it at close.
4640 * The read routine is generic, it relies on the preallocated rbuffer
4641 * to supply the data.
4643 static ssize_t proc_read( struct file *file,
4644 char __user *buffer,
4648 loff_t pos = *offset;
4649 struct proc_data *priv = (struct proc_data*)file->private_data;
4656 if (pos >= priv->readlen)
4658 if (len > priv->readlen - pos)
4659 len = priv->readlen - pos;
4660 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4662 *offset = pos + len;
4667 * The write routine is generic, it fills in a preallocated rbuffer
4668 * to supply the data.
4670 static ssize_t proc_write( struct file *file,
4671 const char __user *buffer,
4675 loff_t pos = *offset;
4676 struct proc_data *priv = (struct proc_data*)file->private_data;
4683 if (pos >= priv->maxwritelen)
4685 if (len > priv->maxwritelen - pos)
4686 len = priv->maxwritelen - pos;
4687 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4689 if ( pos + len > priv->writelen )
4690 priv->writelen = len + file->f_pos;
4691 *offset = pos + len;
4695 static int proc_status_open( struct inode *inode, struct file *file ) {
4696 struct proc_data *data;
4697 struct proc_dir_entry *dp = PDE(inode);
4698 struct net_device *dev = dp->data;
4699 struct airo_info *apriv = dev->priv;
4700 CapabilityRid cap_rid;
4701 StatusRid status_rid;
4704 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4706 data = (struct proc_data *)file->private_data;
4707 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4708 kfree (file->private_data);
4712 readStatusRid(apriv, &status_rid, 1);
4713 readCapabilityRid(apriv, &cap_rid, 1);
4715 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4716 status_rid.mode & 1 ? "CFG ": "",
4717 status_rid.mode & 2 ? "ACT ": "",
4718 status_rid.mode & 0x10 ? "SYN ": "",
4719 status_rid.mode & 0x20 ? "LNK ": "",
4720 status_rid.mode & 0x40 ? "LEAP ": "",
4721 status_rid.mode & 0x80 ? "PRIV ": "",
4722 status_rid.mode & 0x100 ? "KEY ": "",
4723 status_rid.mode & 0x200 ? "WEP ": "",
4724 status_rid.mode & 0x8000 ? "ERR ": "");
4725 sprintf( data->rbuffer+i, "Mode: %x\n"
4726 "Signal Strength: %d\n"
4727 "Signal Quality: %d\n"
4732 "Driver Version: %s\n"
4733 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4734 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4735 "Software Version: %x\nSoftware Subversion: %x\n"
4736 "Boot block version: %x\n",
4737 (int)status_rid.mode,
4738 (int)status_rid.normalizedSignalStrength,
4739 (int)status_rid.signalQuality,
4740 (int)status_rid.SSIDlen,
4743 (int)status_rid.channel,
4744 (int)status_rid.currentXmitRate/2,
4752 (int)cap_rid.softVer,
4753 (int)cap_rid.softSubVer,
4754 (int)cap_rid.bootBlockVer );
4755 data->readlen = strlen( data->rbuffer );
4759 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4760 static int proc_statsdelta_open( struct inode *inode,
4761 struct file *file ) {
4762 if (file->f_mode&FMODE_WRITE) {
4763 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4765 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4768 static int proc_stats_open( struct inode *inode, struct file *file ) {
4769 return proc_stats_rid_open(inode, file, RID_STATS);
4772 static int proc_stats_rid_open( struct inode *inode,
4775 struct proc_data *data;
4776 struct proc_dir_entry *dp = PDE(inode);
4777 struct net_device *dev = dp->data;
4778 struct airo_info *apriv = dev->priv;
4781 u32 *vals = stats.vals;
4783 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4785 data = (struct proc_data *)file->private_data;
4786 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4787 kfree (file->private_data);
4791 readStatsRid(apriv, &stats, rid, 1);
4794 for(i=0; statsLabels[i]!=(char *)-1 &&
4795 i*4<stats.len; i++){
4796 if (!statsLabels[i]) continue;
4797 if (j+strlen(statsLabels[i])+16>4096) {
4798 airo_print_warn(apriv->dev->name,
4799 "Potentially disasterous buffer overflow averted!");
4802 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4804 if (i*4>=stats.len){
4805 airo_print_warn(apriv->dev->name, "Got a short rid");
4811 static int get_dec_u16( char *buffer, int *start, int limit ) {
4814 for( value = 0; buffer[*start] >= '0' &&
4815 buffer[*start] <= '9' &&
4816 *start < limit; (*start)++ ) {
4819 value += buffer[*start] - '0';
4821 if ( !valid ) return -1;
4825 static int airo_config_commit(struct net_device *dev,
4826 struct iw_request_info *info, void *zwrq,
4829 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4830 struct proc_data *data = file->private_data;
4831 struct proc_dir_entry *dp = PDE(inode);
4832 struct net_device *dev = dp->data;
4833 struct airo_info *ai = dev->priv;
4836 if ( !data->writelen ) return;
4838 readConfigRid(ai, 1);
4839 set_bit (FLAG_COMMIT, &ai->flags);
4841 line = data->wbuffer;
4843 /*** Mode processing */
4844 if ( !strncmp( line, "Mode: ", 6 ) ) {
4846 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4847 set_bit (FLAG_RESET, &ai->flags);
4848 ai->config.rmode &= 0xfe00;
4849 clear_bit (FLAG_802_11, &ai->flags);
4850 ai->config.opmode &= 0xFF00;
4851 ai->config.scanMode = SCANMODE_ACTIVE;
4852 if ( line[0] == 'a' ) {
4853 ai->config.opmode |= 0;
4855 ai->config.opmode |= 1;
4856 if ( line[0] == 'r' ) {
4857 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4858 ai->config.scanMode = SCANMODE_PASSIVE;
4859 set_bit (FLAG_802_11, &ai->flags);
4860 } else if ( line[0] == 'y' ) {
4861 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4862 ai->config.scanMode = SCANMODE_PASSIVE;
4863 set_bit (FLAG_802_11, &ai->flags);
4864 } else if ( line[0] == 'l' )
4865 ai->config.rmode |= RXMODE_LANMON;
4867 set_bit (FLAG_COMMIT, &ai->flags);
4870 /*** Radio status */
4871 else if (!strncmp(line,"Radio: ", 7)) {
4873 if (!strncmp(line,"off",3)) {
4874 set_bit (FLAG_RADIO_OFF, &ai->flags);
4876 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4879 /*** NodeName processing */
4880 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4884 memset( ai->config.nodeName, 0, 16 );
4885 /* Do the name, assume a space between the mode and node name */
4886 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4887 ai->config.nodeName[j] = line[j];
4889 set_bit (FLAG_COMMIT, &ai->flags);
4892 /*** PowerMode processing */
4893 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4895 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4896 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "PSP", 3 ) ) {
4899 ai->config.powerSaveMode = POWERSAVE_PSP;
4900 set_bit (FLAG_COMMIT, &ai->flags);
4902 ai->config.powerSaveMode = POWERSAVE_CAM;
4903 set_bit (FLAG_COMMIT, &ai->flags);
4905 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4906 int v, i = 0, k = 0; /* i is index into line,
4907 k is index to rates */
4910 while((v = get_dec_u16(line, &i, 3))!=-1) {
4911 ai->config.rates[k++] = (u8)v;
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4919 v = get_dec_u16(line, &i, i+3);
4921 ai->config.channelSet = (u16)v;
4922 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4927 v = get_dec_u16(line, &i, i+3);
4929 ai->config.txPower = (u16)v;
4930 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4936 ai->config.authType = (u16)AUTH_SHAREDKEY;
4939 ai->config.authType = (u16)AUTH_ENCRYPT;
4942 ai->config.authType = (u16)AUTH_OPEN;
4945 set_bit (FLAG_COMMIT, &ai->flags);
4946 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4950 v = get_dec_u16(line, &i, 3);
4951 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4952 ai->config.longRetryLimit = (u16)v;
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4958 v = get_dec_u16(line, &i, 3);
4959 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4960 ai->config.shortRetryLimit = (u16)v;
4961 set_bit (FLAG_COMMIT, &ai->flags);
4962 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4966 v = get_dec_u16(line, &i, 4);
4967 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4968 ai->config.rtsThres = (u16)v;
4969 set_bit (FLAG_COMMIT, &ai->flags);
4970 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4974 v = get_dec_u16(line, &i, 5);
4976 ai->config.txLifetime = (u16)v;
4977 set_bit (FLAG_COMMIT, &ai->flags);
4978 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4982 v = get_dec_u16(line, &i, 5);
4984 ai->config.rxLifetime = (u16)v;
4985 set_bit (FLAG_COMMIT, &ai->flags);
4986 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4987 ai->config.txDiversity =
4988 (line[13]=='l') ? 1 :
4989 ((line[13]=='r')? 2: 3);
4990 set_bit (FLAG_COMMIT, &ai->flags);
4991 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4992 ai->config.rxDiversity =
4993 (line[13]=='l') ? 1 :
4994 ((line[13]=='r')? 2: 3);
4995 set_bit (FLAG_COMMIT, &ai->flags);
4996 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5000 v = get_dec_u16(line, &i, 4);
5001 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5002 v = v & 0xfffe; /* Make sure its even */
5003 ai->config.fragThresh = (u16)v;
5004 set_bit (FLAG_COMMIT, &ai->flags);
5005 } else if (!strncmp(line, "Modulation: ", 12)) {
5008 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5009 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5010 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5011 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5013 } else if (!strncmp(line, "Preamble: ", 10)) {
5016 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5017 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5018 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5019 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5022 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5024 while( line[0] && line[0] != '\n' ) line++;
5025 if ( line[0] ) line++;
5027 airo_config_commit(dev, NULL, NULL, NULL);
5030 static char *get_rmode(u16 mode) {
5032 case RXMODE_RFMON: return "rfmon";
5033 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5034 case RXMODE_LANMON: return "lanmon";
5039 static int proc_config_open( struct inode *inode, struct file *file ) {
5040 struct proc_data *data;
5041 struct proc_dir_entry *dp = PDE(inode);
5042 struct net_device *dev = dp->data;
5043 struct airo_info *ai = dev->priv;
5046 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5048 data = (struct proc_data *)file->private_data;
5049 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5050 kfree (file->private_data);
5053 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5054 kfree (data->rbuffer);
5055 kfree (file->private_data);
5058 data->maxwritelen = 2048;
5059 data->on_close = proc_config_on_close;
5061 readConfigRid(ai, 1);
5063 i = sprintf( data->rbuffer,
5068 "DataRates: %d %d %d %d %d %d %d %d\n"
5071 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5072 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5073 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5074 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5075 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5076 ai->config.nodeName,
5077 ai->config.powerSaveMode == 0 ? "CAM" :
5078 ai->config.powerSaveMode == 1 ? "PSP" :
5079 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5080 (int)ai->config.rates[0],
5081 (int)ai->config.rates[1],
5082 (int)ai->config.rates[2],
5083 (int)ai->config.rates[3],
5084 (int)ai->config.rates[4],
5085 (int)ai->config.rates[5],
5086 (int)ai->config.rates[6],
5087 (int)ai->config.rates[7],
5088 (int)ai->config.channelSet,
5089 (int)ai->config.txPower
5091 sprintf( data->rbuffer + i,
5092 "LongRetryLimit: %d\n"
5093 "ShortRetryLimit: %d\n"
5094 "RTSThreshold: %d\n"
5095 "TXMSDULifetime: %d\n"
5096 "RXMSDULifetime: %d\n"
5099 "FragThreshold: %d\n"
5103 (int)ai->config.longRetryLimit,
5104 (int)ai->config.shortRetryLimit,
5105 (int)ai->config.rtsThres,
5106 (int)ai->config.txLifetime,
5107 (int)ai->config.rxLifetime,
5108 ai->config.txDiversity == 1 ? "left" :
5109 ai->config.txDiversity == 2 ? "right" : "both",
5110 ai->config.rxDiversity == 1 ? "left" :
5111 ai->config.rxDiversity == 2 ? "right" : "both",
5112 (int)ai->config.fragThresh,
5113 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5114 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5115 ai->config.modulation == 0 ? "default" :
5116 ai->config.modulation == MOD_CCK ? "cck" :
5117 ai->config.modulation == MOD_MOK ? "mok" : "error",
5118 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5119 ai->config.preamble == PREAMBLE_LONG ? "long" :
5120 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5122 data->readlen = strlen( data->rbuffer );
5126 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5127 struct proc_data *data = (struct proc_data *)file->private_data;
5128 struct proc_dir_entry *dp = PDE(inode);
5129 struct net_device *dev = dp->data;
5130 struct airo_info *ai = dev->priv;
5135 if ( !data->writelen ) return;
5137 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5139 for( i = 0; i < 3; i++ ) {
5141 for( j = 0; j+offset < data->writelen && j < 32 &&
5142 data->wbuffer[offset+j] != '\n'; j++ ) {
5143 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5145 if ( j == 0 ) break;
5146 SSID_rid.ssids[i].len = j;
5148 while( data->wbuffer[offset] != '\n' &&
5149 offset < data->writelen ) offset++;
5153 SSID_rid.len = sizeof(SSID_rid);
5155 writeSsidRid(ai, &SSID_rid, 1);
5159 static inline u8 hexVal(char c) {
5160 if (c>='0' && c<='9') return c -= '0';
5161 if (c>='a' && c<='f') return c -= 'a'-10;
5162 if (c>='A' && c<='F') return c -= 'A'-10;
5166 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5167 struct proc_data *data = (struct proc_data *)file->private_data;
5168 struct proc_dir_entry *dp = PDE(inode);
5169 struct net_device *dev = dp->data;
5170 struct airo_info *ai = dev->priv;
5171 APListRid APList_rid;
5174 if ( !data->writelen ) return;
5176 memset( &APList_rid, 0, sizeof(APList_rid) );
5177 APList_rid.len = sizeof(APList_rid);
5179 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5181 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5184 APList_rid.ap[i][j/3]=
5185 hexVal(data->wbuffer[j+i*6*3])<<4;
5188 APList_rid.ap[i][j/3]|=
5189 hexVal(data->wbuffer[j+i*6*3]);
5195 writeAPListRid(ai, &APList_rid, 1);
5199 /* This function wraps PC4500_writerid with a MAC disable */
5200 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5201 int len, int dummy ) {
5205 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5210 /* Returns the length of the key at the index. If index == 0xffff
5211 * the index of the transmit key is returned. If the key doesn't exist,
5212 * -1 will be returned.
5214 static int get_wep_key(struct airo_info *ai, u16 index) {
5219 rc = readWepKeyRid(ai, &wkr, 1, 1);
5220 if (rc == SUCCESS) do {
5221 lastindex = wkr.kindex;
5222 if (wkr.kindex == index) {
5223 if (index == 0xffff) {
5228 readWepKeyRid(ai, &wkr, 0, 1);
5229 } while(lastindex != wkr.kindex);
5233 static int set_wep_key(struct airo_info *ai, u16 index,
5234 const char *key, u16 keylen, int perm, int lock ) {
5235 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5238 memset(&wkr, 0, sizeof(wkr));
5240 // We are selecting which key to use
5241 wkr.len = sizeof(wkr);
5242 wkr.kindex = 0xffff;
5243 wkr.mac[0] = (char)index;
5244 if (perm) ai->defindex = (char)index;
5246 // We are actually setting the key
5247 wkr.len = sizeof(wkr);
5250 memcpy( wkr.key, key, keylen );
5251 memcpy( wkr.mac, macaddr, ETH_ALEN );
5254 if (perm) disable_MAC(ai, lock);
5255 writeWepKeyRid(ai, &wkr, perm, lock);
5256 if (perm) enable_MAC(ai, lock);
5260 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5261 struct proc_data *data;
5262 struct proc_dir_entry *dp = PDE(inode);
5263 struct net_device *dev = dp->data;
5264 struct airo_info *ai = dev->priv;
5270 memset(key, 0, sizeof(key));
5272 data = (struct proc_data *)file->private_data;
5273 if ( !data->writelen ) return;
5275 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5276 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5277 index = data->wbuffer[0] - '0';
5278 if (data->wbuffer[1] == '\n') {
5279 set_wep_key(ai, index, NULL, 0, 1, 1);
5284 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5288 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5291 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5294 key[i/3] |= hexVal(data->wbuffer[i+j]);
5298 set_wep_key(ai, index, key, i/3, 1, 1);
5301 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5302 struct proc_data *data;
5303 struct proc_dir_entry *dp = PDE(inode);
5304 struct net_device *dev = dp->data;
5305 struct airo_info *ai = dev->priv;
5312 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5314 memset(&wkr, 0, sizeof(wkr));
5315 data = (struct proc_data *)file->private_data;
5316 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5317 kfree (file->private_data);
5321 data->maxwritelen = 80;
5322 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5323 kfree (data->rbuffer);
5324 kfree (file->private_data);
5327 data->on_close = proc_wepkey_on_close;
5329 ptr = data->rbuffer;
5330 strcpy(ptr, "No wep keys\n");
5331 rc = readWepKeyRid(ai, &wkr, 1, 1);
5332 if (rc == SUCCESS) do {
5333 lastindex = wkr.kindex;
5334 if (wkr.kindex == 0xffff) {
5335 j += sprintf(ptr+j, "Tx key = %d\n",
5338 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5339 (int)wkr.kindex, (int)wkr.klen);
5341 readWepKeyRid(ai, &wkr, 0, 1);
5342 } while((lastindex != wkr.kindex) && (j < 180-30));
5344 data->readlen = strlen( data->rbuffer );
5348 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5349 struct proc_data *data;
5350 struct proc_dir_entry *dp = PDE(inode);
5351 struct net_device *dev = dp->data;
5352 struct airo_info *ai = dev->priv;
5357 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5359 data = (struct proc_data *)file->private_data;
5360 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5361 kfree (file->private_data);
5365 data->maxwritelen = 33*3;
5366 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5367 kfree (data->rbuffer);
5368 kfree (file->private_data);
5371 data->on_close = proc_SSID_on_close;
5373 readSsidRid(ai, &SSID_rid);
5374 ptr = data->rbuffer;
5375 for( i = 0; i < 3; i++ ) {
5377 if ( !SSID_rid.ssids[i].len ) break;
5378 for( j = 0; j < 32 &&
5379 j < SSID_rid.ssids[i].len &&
5380 SSID_rid.ssids[i].ssid[j]; j++ ) {
5381 *ptr++ = SSID_rid.ssids[i].ssid[j];
5386 data->readlen = strlen( data->rbuffer );
5390 static int proc_APList_open( struct inode *inode, struct file *file ) {
5391 struct proc_data *data;
5392 struct proc_dir_entry *dp = PDE(inode);
5393 struct net_device *dev = dp->data;
5394 struct airo_info *ai = dev->priv;
5397 APListRid APList_rid;
5398 DECLARE_MAC_BUF(mac);
5400 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5402 data = (struct proc_data *)file->private_data;
5403 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5404 kfree (file->private_data);
5408 data->maxwritelen = 4*6*3;
5409 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5410 kfree (data->rbuffer);
5411 kfree (file->private_data);
5414 data->on_close = proc_APList_on_close;
5416 readAPListRid(ai, &APList_rid);
5417 ptr = data->rbuffer;
5418 for( i = 0; i < 4; i++ ) {
5419 // We end when we find a zero MAC
5420 if ( !*(int*)APList_rid.ap[i] &&
5421 !*(int*)&APList_rid.ap[i][2]) break;
5422 ptr += sprintf(ptr, "%s\n",
5423 print_mac(mac, APList_rid.ap[i]));
5425 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5428 data->readlen = strlen( data->rbuffer );
5432 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5433 struct proc_data *data;
5434 struct proc_dir_entry *dp = PDE(inode);
5435 struct net_device *dev = dp->data;
5436 struct airo_info *ai = dev->priv;
5438 BSSListRid BSSList_rid;
5440 /* If doLoseSync is not 1, we won't do a Lose Sync */
5441 int doLoseSync = -1;
5442 DECLARE_MAC_BUF(mac);
5444 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5446 data = (struct proc_data *)file->private_data;
5447 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5448 kfree (file->private_data);
5452 data->maxwritelen = 0;
5453 data->wbuffer = NULL;
5454 data->on_close = NULL;
5456 if (file->f_mode & FMODE_WRITE) {
5457 if (!(file->f_mode & FMODE_READ)) {
5461 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5462 memset(&cmd, 0, sizeof(cmd));
5463 cmd.cmd=CMD_LISTBSS;
5464 if (down_interruptible(&ai->sem))
5465 return -ERESTARTSYS;
5466 issuecommand(ai, &cmd, &rsp);
5473 ptr = data->rbuffer;
5474 /* There is a race condition here if there are concurrent opens.
5475 Since it is a rare condition, we'll just live with it, otherwise
5476 we have to add a spin lock... */
5477 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5478 while(rc == 0 && BSSList_rid.index != 0xffff) {
5479 ptr += sprintf(ptr, "%s %*s rssi = %d",
5480 print_mac(mac, BSSList_rid.bssid),
5481 (int)BSSList_rid.ssidLen,
5483 (int)BSSList_rid.dBm);
5484 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5485 (int)BSSList_rid.dsChannel,
5486 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5487 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5488 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5489 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5490 rc = readBSSListRid(ai, 0, &BSSList_rid);
5493 data->readlen = strlen( data->rbuffer );
5497 static int proc_close( struct inode *inode, struct file *file )
5499 struct proc_data *data = file->private_data;
5501 if (data->on_close != NULL)
5502 data->on_close(inode, file);
5503 kfree(data->rbuffer);
5504 kfree(data->wbuffer);
5509 /* Since the card doesn't automatically switch to the right WEP mode,
5510 we will make it do it. If the card isn't associated, every secs we
5511 will switch WEP modes to see if that will help. If the card is
5512 associated we will check every minute to see if anything has
5514 static void timer_func( struct net_device *dev ) {
5515 struct airo_info *apriv = dev->priv;
5517 /* We don't have a link so try changing the authtype */
5518 readConfigRid(apriv, 0);
5519 disable_MAC(apriv, 0);
5520 switch(apriv->config.authType) {
5522 /* So drop to OPEN */
5523 apriv->config.authType = AUTH_OPEN;
5525 case AUTH_SHAREDKEY:
5526 if (apriv->keyindex < auto_wep) {
5527 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5528 apriv->config.authType = AUTH_SHAREDKEY;
5531 /* Drop to ENCRYPT */
5532 apriv->keyindex = 0;
5533 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5534 apriv->config.authType = AUTH_ENCRYPT;
5537 default: /* We'll escalate to SHAREDKEY */
5538 apriv->config.authType = AUTH_SHAREDKEY;
5540 set_bit (FLAG_COMMIT, &apriv->flags);
5541 writeConfigRid(apriv, 0);
5542 enable_MAC(apriv, 0);
5545 /* Schedule check to see if the change worked */
5546 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5547 apriv->expires = RUN_AT(HZ*3);
5551 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5552 const struct pci_device_id *pent)
5554 struct net_device *dev;
5556 if (pci_enable_device(pdev))
5558 pci_set_master(pdev);
5560 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5561 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5563 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5565 pci_disable_device(pdev);
5569 pci_set_drvdata(pdev, dev);
5573 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5575 struct net_device *dev = pci_get_drvdata(pdev);
5577 airo_print_info(dev->name, "Unregistering...");
5578 stop_airo_card(dev, 1);
5579 pci_disable_device(pdev);
5580 pci_set_drvdata(pdev, NULL);
5583 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5585 struct net_device *dev = pci_get_drvdata(pdev);
5586 struct airo_info *ai = dev->priv;
5590 if ((ai->APList == NULL) &&
5591 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5593 if ((ai->SSID == NULL) &&
5594 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5596 readAPListRid(ai, ai->APList);
5597 readSsidRid(ai, ai->SSID);
5598 memset(&cmd, 0, sizeof(cmd));
5599 /* the lock will be released at the end of the resume callback */
5600 if (down_interruptible(&ai->sem))
5603 netif_device_detach(dev);
5606 issuecommand(ai, &cmd, &rsp);
5608 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5609 pci_save_state(pdev);
5610 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5613 static int airo_pci_resume(struct pci_dev *pdev)
5615 struct net_device *dev = pci_get_drvdata(pdev);
5616 struct airo_info *ai = dev->priv;
5617 pci_power_t prev_state = pdev->current_state;
5619 pci_set_power_state(pdev, PCI_D0);
5620 pci_restore_state(pdev);
5621 pci_enable_wake(pdev, PCI_D0, 0);
5623 if (prev_state != PCI_D1) {
5625 mpi_init_descriptors(ai);
5626 setup_card(ai, dev->dev_addr, 0);
5627 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5628 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5630 OUT4500(ai, EVACK, EV_AWAKEN);
5631 OUT4500(ai, EVACK, EV_AWAKEN);
5635 set_bit (FLAG_COMMIT, &ai->flags);
5639 writeSsidRid(ai, ai->SSID, 0);
5644 writeAPListRid(ai, ai->APList, 0);
5648 writeConfigRid(ai, 0);
5650 ai->power = PMSG_ON;
5651 netif_device_attach(dev);
5652 netif_wake_queue(dev);
5653 enable_interrupts(ai);
5659 static int __init airo_init_module( void )
5663 int have_isa_dev = 0;
5666 airo_entry = create_proc_entry("aironet",
5667 S_IFDIR | airo_perm,
5671 airo_entry->uid = proc_uid;
5672 airo_entry->gid = proc_gid;
5675 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5676 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5677 "io=0x%x", irq[i], io[i] );
5678 if (init_airo_card( irq[i], io[i], 0, NULL ))
5687 airo_print_info("", "Probing for PCI adapters");
5688 i = pci_register_driver(&airo_driver);
5689 airo_print_info("", "Finished probing for PCI adapters");
5692 remove_proc_entry("aironet", proc_root_driver);
5697 /* Always exit with success, as we are a library module
5698 * as well as a driver module
5703 static void __exit airo_cleanup_module( void )
5705 struct airo_info *ai;
5706 while(!list_empty(&airo_devices)) {
5707 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5708 airo_print_info(ai->dev->name, "Unregistering...");
5709 stop_airo_card(ai->dev, 1);
5712 pci_unregister_driver(&airo_driver);
5714 remove_proc_entry("aironet", proc_root_driver);
5718 * Initial Wireless Extension code for Aironet driver by :
5719 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5720 * Conversion to new driver API by :
5721 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5722 * Javier also did a good amount of work here, adding some new extensions
5723 * and fixing my code. Let's just say that without him this code just
5724 * would not work at all... - Jean II
5727 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5732 return (0x100 - rssi_rid[rssi].rssidBm);
5735 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5742 for( i = 0; i < 256; i++ )
5743 if (rssi_rid[i].rssidBm == dbm)
5744 return rssi_rid[i].rssipct;
5750 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5754 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5755 if (memcmp(cap_rid->prodName, "350", 3))
5756 if (status_rid->signalQuality > 0x20)
5759 quality = 0x20 - status_rid->signalQuality;
5761 if (status_rid->signalQuality > 0xb0)
5763 else if (status_rid->signalQuality < 0x10)
5766 quality = 0xb0 - status_rid->signalQuality;
5771 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5772 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5774 /*------------------------------------------------------------------*/
5776 * Wireless Handler : get protocol name
5778 static int airo_get_name(struct net_device *dev,
5779 struct iw_request_info *info,
5783 strcpy(cwrq, "IEEE 802.11-DS");
5787 /*------------------------------------------------------------------*/
5789 * Wireless Handler : set frequency
5791 static int airo_set_freq(struct net_device *dev,
5792 struct iw_request_info *info,
5793 struct iw_freq *fwrq,
5796 struct airo_info *local = dev->priv;
5797 int rc = -EINPROGRESS; /* Call commit handler */
5799 /* If setting by frequency, convert to a channel */
5800 if((fwrq->e == 1) &&
5801 (fwrq->m >= (int) 2.412e8) &&
5802 (fwrq->m <= (int) 2.487e8)) {
5803 int f = fwrq->m / 100000;
5805 while((c < 14) && (f != frequency_list[c]))
5807 /* Hack to fall through... */
5811 /* Setting by channel number */
5812 if((fwrq->m > 1000) || (fwrq->e > 0))
5815 int channel = fwrq->m;
5816 /* We should do a better check than that,
5817 * based on the card capability !!! */
5818 if((channel < 1) || (channel > 14)) {
5819 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5823 readConfigRid(local, 1);
5824 /* Yes ! We can set it !!! */
5825 local->config.channelSet = (u16) channel;
5826 set_bit (FLAG_COMMIT, &local->flags);
5832 /*------------------------------------------------------------------*/
5834 * Wireless Handler : get frequency
5836 static int airo_get_freq(struct net_device *dev,
5837 struct iw_request_info *info,
5838 struct iw_freq *fwrq,
5841 struct airo_info *local = dev->priv;
5842 StatusRid status_rid; /* Card status info */
5845 readConfigRid(local, 1);
5846 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5847 status_rid.channel = local->config.channelSet;
5849 readStatusRid(local, &status_rid, 1);
5851 ch = (int)status_rid.channel;
5852 if((ch > 0) && (ch < 15)) {
5853 fwrq->m = frequency_list[ch - 1] * 100000;
5863 /*------------------------------------------------------------------*/
5865 * Wireless Handler : set ESSID
5867 static int airo_set_essid(struct net_device *dev,
5868 struct iw_request_info *info,
5869 struct iw_point *dwrq,
5872 struct airo_info *local = dev->priv;
5873 SsidRid SSID_rid; /* SSIDs */
5875 /* Reload the list of current SSID */
5876 readSsidRid(local, &SSID_rid);
5878 /* Check if we asked for `any' */
5879 if(dwrq->flags == 0) {
5880 /* Just send an empty SSID list */
5881 memset(&SSID_rid, 0, sizeof(SSID_rid));
5883 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5885 /* Check the size of the string */
5886 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5889 /* Check if index is valid */
5890 if((index < 0) || (index >= 4)) {
5895 memset(SSID_rid.ssids[index].ssid, 0,
5896 sizeof(SSID_rid.ssids[index].ssid));
5897 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5898 SSID_rid.ssids[index].len = dwrq->length;
5900 SSID_rid.len = sizeof(SSID_rid);
5901 /* Write it to the card */
5902 disable_MAC(local, 1);
5903 writeSsidRid(local, &SSID_rid, 1);
5904 enable_MAC(local, 1);
5909 /*------------------------------------------------------------------*/
5911 * Wireless Handler : get ESSID
5913 static int airo_get_essid(struct net_device *dev,
5914 struct iw_request_info *info,
5915 struct iw_point *dwrq,
5918 struct airo_info *local = dev->priv;
5919 StatusRid status_rid; /* Card status info */
5921 readStatusRid(local, &status_rid, 1);
5923 /* Note : if dwrq->flags != 0, we should
5924 * get the relevant SSID from the SSID list... */
5926 /* Get the current SSID */
5927 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5928 /* If none, we may want to get the one that was set */
5931 dwrq->length = status_rid.SSIDlen;
5932 dwrq->flags = 1; /* active */
5937 /*------------------------------------------------------------------*/
5939 * Wireless Handler : set AP address
5941 static int airo_set_wap(struct net_device *dev,
5942 struct iw_request_info *info,
5943 struct sockaddr *awrq,
5946 struct airo_info *local = dev->priv;
5949 APListRid APList_rid;
5950 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5951 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5953 if (awrq->sa_family != ARPHRD_ETHER)
5955 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5956 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5957 memset(&cmd, 0, sizeof(cmd));
5958 cmd.cmd=CMD_LOSE_SYNC;
5959 if (down_interruptible(&local->sem))
5960 return -ERESTARTSYS;
5961 issuecommand(local, &cmd, &rsp);
5964 memset(&APList_rid, 0, sizeof(APList_rid));
5965 APList_rid.len = sizeof(APList_rid);
5966 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5967 disable_MAC(local, 1);
5968 writeAPListRid(local, &APList_rid, 1);
5969 enable_MAC(local, 1);
5974 /*------------------------------------------------------------------*/
5976 * Wireless Handler : get AP address
5978 static int airo_get_wap(struct net_device *dev,
5979 struct iw_request_info *info,
5980 struct sockaddr *awrq,
5983 struct airo_info *local = dev->priv;
5984 StatusRid status_rid; /* Card status info */
5986 readStatusRid(local, &status_rid, 1);
5988 /* Tentative. This seems to work, wow, I'm lucky !!! */
5989 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5990 awrq->sa_family = ARPHRD_ETHER;
5995 /*------------------------------------------------------------------*/
5997 * Wireless Handler : set Nickname
5999 static int airo_set_nick(struct net_device *dev,
6000 struct iw_request_info *info,
6001 struct iw_point *dwrq,
6004 struct airo_info *local = dev->priv;
6006 /* Check the size of the string */
6007 if(dwrq->length > 16) {
6010 readConfigRid(local, 1);
6011 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6012 memcpy(local->config.nodeName, extra, dwrq->length);
6013 set_bit (FLAG_COMMIT, &local->flags);
6015 return -EINPROGRESS; /* Call commit handler */
6018 /*------------------------------------------------------------------*/
6020 * Wireless Handler : get Nickname
6022 static int airo_get_nick(struct net_device *dev,
6023 struct iw_request_info *info,
6024 struct iw_point *dwrq,
6027 struct airo_info *local = dev->priv;
6029 readConfigRid(local, 1);
6030 strncpy(extra, local->config.nodeName, 16);
6032 dwrq->length = strlen(extra);
6037 /*------------------------------------------------------------------*/
6039 * Wireless Handler : set Bit-Rate
6041 static int airo_set_rate(struct net_device *dev,
6042 struct iw_request_info *info,
6043 struct iw_param *vwrq,
6046 struct airo_info *local = dev->priv;
6047 CapabilityRid cap_rid; /* Card capability info */
6051 /* First : get a valid bit rate value */
6052 readCapabilityRid(local, &cap_rid, 1);
6054 /* Which type of value ? */
6055 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6056 /* Setting by rate index */
6057 /* Find value in the magic rate table */
6058 brate = cap_rid.supportedRates[vwrq->value];
6060 /* Setting by frequency value */
6061 u8 normvalue = (u8) (vwrq->value/500000);
6063 /* Check if rate is valid */
6064 for(i = 0 ; i < 8 ; i++) {
6065 if(normvalue == cap_rid.supportedRates[i]) {
6071 /* -1 designed the max rate (mostly auto mode) */
6072 if(vwrq->value == -1) {
6073 /* Get the highest available rate */
6074 for(i = 0 ; i < 8 ; i++) {
6075 if(cap_rid.supportedRates[i] == 0)
6079 brate = cap_rid.supportedRates[i - 1];
6081 /* Check that it is valid */
6086 readConfigRid(local, 1);
6087 /* Now, check if we want a fixed or auto value */
6088 if(vwrq->fixed == 0) {
6089 /* Fill all the rates up to this max rate */
6090 memset(local->config.rates, 0, 8);
6091 for(i = 0 ; i < 8 ; i++) {
6092 local->config.rates[i] = cap_rid.supportedRates[i];
6093 if(local->config.rates[i] == brate)
6098 /* One rate, fixed */
6099 memset(local->config.rates, 0, 8);
6100 local->config.rates[0] = brate;
6102 set_bit (FLAG_COMMIT, &local->flags);
6104 return -EINPROGRESS; /* Call commit handler */
6107 /*------------------------------------------------------------------*/
6109 * Wireless Handler : get Bit-Rate
6111 static int airo_get_rate(struct net_device *dev,
6112 struct iw_request_info *info,
6113 struct iw_param *vwrq,
6116 struct airo_info *local = dev->priv;
6117 StatusRid status_rid; /* Card status info */
6119 readStatusRid(local, &status_rid, 1);
6121 vwrq->value = status_rid.currentXmitRate * 500000;
6122 /* If more than one rate, set auto */
6123 readConfigRid(local, 1);
6124 vwrq->fixed = (local->config.rates[1] == 0);
6129 /*------------------------------------------------------------------*/
6131 * Wireless Handler : set RTS threshold
6133 static int airo_set_rts(struct net_device *dev,
6134 struct iw_request_info *info,
6135 struct iw_param *vwrq,
6138 struct airo_info *local = dev->priv;
6139 int rthr = vwrq->value;
6142 rthr = AIRO_DEF_MTU;
6143 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6146 readConfigRid(local, 1);
6147 local->config.rtsThres = rthr;
6148 set_bit (FLAG_COMMIT, &local->flags);
6150 return -EINPROGRESS; /* Call commit handler */
6153 /*------------------------------------------------------------------*/
6155 * Wireless Handler : get RTS threshold
6157 static int airo_get_rts(struct net_device *dev,
6158 struct iw_request_info *info,
6159 struct iw_param *vwrq,
6162 struct airo_info *local = dev->priv;
6164 readConfigRid(local, 1);
6165 vwrq->value = local->config.rtsThres;
6166 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6172 /*------------------------------------------------------------------*/
6174 * Wireless Handler : set Fragmentation threshold
6176 static int airo_set_frag(struct net_device *dev,
6177 struct iw_request_info *info,
6178 struct iw_param *vwrq,
6181 struct airo_info *local = dev->priv;
6182 int fthr = vwrq->value;
6185 fthr = AIRO_DEF_MTU;
6186 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6189 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6190 readConfigRid(local, 1);
6191 local->config.fragThresh = (u16)fthr;
6192 set_bit (FLAG_COMMIT, &local->flags);
6194 return -EINPROGRESS; /* Call commit handler */
6197 /*------------------------------------------------------------------*/
6199 * Wireless Handler : get Fragmentation threshold
6201 static int airo_get_frag(struct net_device *dev,
6202 struct iw_request_info *info,
6203 struct iw_param *vwrq,
6206 struct airo_info *local = dev->priv;
6208 readConfigRid(local, 1);
6209 vwrq->value = local->config.fragThresh;
6210 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6216 /*------------------------------------------------------------------*/
6218 * Wireless Handler : set Mode of Operation
6220 static int airo_set_mode(struct net_device *dev,
6221 struct iw_request_info *info,
6225 struct airo_info *local = dev->priv;
6228 readConfigRid(local, 1);
6229 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6234 local->config.opmode &= 0xFF00;
6235 local->config.opmode |= MODE_STA_IBSS;
6236 local->config.rmode &= 0xfe00;
6237 local->config.scanMode = SCANMODE_ACTIVE;
6238 clear_bit (FLAG_802_11, &local->flags);
6241 local->config.opmode &= 0xFF00;
6242 local->config.opmode |= MODE_STA_ESS;
6243 local->config.rmode &= 0xfe00;
6244 local->config.scanMode = SCANMODE_ACTIVE;
6245 clear_bit (FLAG_802_11, &local->flags);
6247 case IW_MODE_MASTER:
6248 local->config.opmode &= 0xFF00;
6249 local->config.opmode |= MODE_AP;
6250 local->config.rmode &= 0xfe00;
6251 local->config.scanMode = SCANMODE_ACTIVE;
6252 clear_bit (FLAG_802_11, &local->flags);
6254 case IW_MODE_REPEAT:
6255 local->config.opmode &= 0xFF00;
6256 local->config.opmode |= MODE_AP_RPTR;
6257 local->config.rmode &= 0xfe00;
6258 local->config.scanMode = SCANMODE_ACTIVE;
6259 clear_bit (FLAG_802_11, &local->flags);
6261 case IW_MODE_MONITOR:
6262 local->config.opmode &= 0xFF00;
6263 local->config.opmode |= MODE_STA_ESS;
6264 local->config.rmode &= 0xfe00;
6265 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6266 local->config.scanMode = SCANMODE_PASSIVE;
6267 set_bit (FLAG_802_11, &local->flags);
6273 set_bit (FLAG_RESET, &local->flags);
6274 set_bit (FLAG_COMMIT, &local->flags);
6276 return -EINPROGRESS; /* Call commit handler */
6279 /*------------------------------------------------------------------*/
6281 * Wireless Handler : get Mode of Operation
6283 static int airo_get_mode(struct net_device *dev,
6284 struct iw_request_info *info,
6288 struct airo_info *local = dev->priv;
6290 readConfigRid(local, 1);
6291 /* If not managed, assume it's ad-hoc */
6292 switch (local->config.opmode & 0xFF) {
6294 *uwrq = IW_MODE_INFRA;
6297 *uwrq = IW_MODE_MASTER;
6300 *uwrq = IW_MODE_REPEAT;
6303 *uwrq = IW_MODE_ADHOC;
6309 /*------------------------------------------------------------------*/
6311 * Wireless Handler : set Encryption Key
6313 static int airo_set_encode(struct net_device *dev,
6314 struct iw_request_info *info,
6315 struct iw_point *dwrq,
6318 struct airo_info *local = dev->priv;
6319 CapabilityRid cap_rid; /* Card capability info */
6320 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6321 u16 currentAuthType = local->config.authType;
6323 /* Is WEP supported ? */
6324 readCapabilityRid(local, &cap_rid, 1);
6325 /* Older firmware doesn't support this...
6326 if(!(cap_rid.softCap & 2)) {
6329 readConfigRid(local, 1);
6331 /* Basic checking: do we have a key to set ?
6332 * Note : with the new API, it's impossible to get a NULL pointer.
6333 * Therefore, we need to check a key size == 0 instead.
6334 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6335 * when no key is present (only change flags), but older versions
6336 * don't do it. - Jean II */
6337 if (dwrq->length > 0) {
6339 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6340 int current_index = get_wep_key(local, 0xffff);
6341 /* Check the size of the key */
6342 if (dwrq->length > MAX_KEY_SIZE) {
6345 /* Check the index (none -> use current) */
6346 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6347 index = current_index;
6348 /* Set the length */
6349 if (dwrq->length > MIN_KEY_SIZE)
6350 key.len = MAX_KEY_SIZE;
6352 if (dwrq->length > 0)
6353 key.len = MIN_KEY_SIZE;
6355 /* Disable the key */
6357 /* Check if the key is not marked as invalid */
6358 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6360 memset(key.key, 0, MAX_KEY_SIZE);
6361 /* Copy the key in the driver */
6362 memcpy(key.key, extra, dwrq->length);
6363 /* Send the key to the card */
6364 set_wep_key(local, index, key.key, key.len, perm, 1);
6366 /* WE specify that if a valid key is set, encryption
6367 * should be enabled (user may turn it off later)
6368 * This is also how "iwconfig ethX key on" works */
6369 if((index == current_index) && (key.len > 0) &&
6370 (local->config.authType == AUTH_OPEN)) {
6371 local->config.authType = AUTH_ENCRYPT;
6374 /* Do we want to just set the transmit key index ? */
6375 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6376 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6377 set_wep_key(local, index, NULL, 0, perm, 1);
6379 /* Don't complain if only change the mode */
6380 if (!(dwrq->flags & IW_ENCODE_MODE))
6383 /* Read the flags */
6384 if(dwrq->flags & IW_ENCODE_DISABLED)
6385 local->config.authType = AUTH_OPEN; // disable encryption
6386 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6387 local->config.authType = AUTH_SHAREDKEY; // Only Both
6388 if(dwrq->flags & IW_ENCODE_OPEN)
6389 local->config.authType = AUTH_ENCRYPT; // Only Wep
6390 /* Commit the changes to flags if needed */
6391 if (local->config.authType != currentAuthType)
6392 set_bit (FLAG_COMMIT, &local->flags);
6393 return -EINPROGRESS; /* Call commit handler */
6396 /*------------------------------------------------------------------*/
6398 * Wireless Handler : get Encryption Key
6400 static int airo_get_encode(struct net_device *dev,
6401 struct iw_request_info *info,
6402 struct iw_point *dwrq,
6405 struct airo_info *local = dev->priv;
6406 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6407 CapabilityRid cap_rid; /* Card capability info */
6409 /* Is it supported ? */
6410 readCapabilityRid(local, &cap_rid, 1);
6411 if(!(cap_rid.softCap & 2)) {
6414 readConfigRid(local, 1);
6415 /* Check encryption mode */
6416 switch(local->config.authType) {
6418 dwrq->flags = IW_ENCODE_OPEN;
6420 case AUTH_SHAREDKEY:
6421 dwrq->flags = IW_ENCODE_RESTRICTED;
6425 dwrq->flags = IW_ENCODE_DISABLED;
6428 /* We can't return the key, so set the proper flag and return zero */
6429 dwrq->flags |= IW_ENCODE_NOKEY;
6430 memset(extra, 0, 16);
6432 /* Which key do we want ? -1 -> tx index */
6433 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6434 index = get_wep_key(local, 0xffff);
6435 dwrq->flags |= index + 1;
6436 /* Copy the key to the user buffer */
6437 dwrq->length = get_wep_key(local, index);
6438 if (dwrq->length > 16) {
6444 /*------------------------------------------------------------------*/
6446 * Wireless Handler : set extended Encryption parameters
6448 static int airo_set_encodeext(struct net_device *dev,
6449 struct iw_request_info *info,
6450 union iwreq_data *wrqu,
6453 struct airo_info *local = dev->priv;
6454 struct iw_point *encoding = &wrqu->encoding;
6455 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6456 CapabilityRid cap_rid; /* Card capability info */
6457 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6458 u16 currentAuthType = local->config.authType;
6459 int idx, key_len, alg = ext->alg, set_key = 1;
6462 /* Is WEP supported ? */
6463 readCapabilityRid(local, &cap_rid, 1);
6464 /* Older firmware doesn't support this...
6465 if(!(cap_rid.softCap & 2)) {
6468 readConfigRid(local, 1);
6470 /* Determine and validate the key index */
6471 idx = encoding->flags & IW_ENCODE_INDEX;
6473 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6477 idx = get_wep_key(local, 0xffff);
6479 if (encoding->flags & IW_ENCODE_DISABLED)
6480 alg = IW_ENCODE_ALG_NONE;
6482 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6483 /* Only set transmit key index here, actual
6484 * key is set below if needed.
6486 set_wep_key(local, idx, NULL, 0, perm, 1);
6487 set_key = ext->key_len > 0 ? 1 : 0;
6491 /* Set the requested key first */
6492 memset(key.key, 0, MAX_KEY_SIZE);
6494 case IW_ENCODE_ALG_NONE:
6497 case IW_ENCODE_ALG_WEP:
6498 if (ext->key_len > MIN_KEY_SIZE) {
6499 key.len = MAX_KEY_SIZE;
6500 } else if (ext->key_len > 0) {
6501 key.len = MIN_KEY_SIZE;
6505 key_len = min (ext->key_len, key.len);
6506 memcpy(key.key, ext->key, key_len);
6511 /* Send the key to the card */
6512 set_wep_key(local, idx, key.key, key.len, perm, 1);
6515 /* Read the flags */
6516 if(encoding->flags & IW_ENCODE_DISABLED)
6517 local->config.authType = AUTH_OPEN; // disable encryption
6518 if(encoding->flags & IW_ENCODE_RESTRICTED)
6519 local->config.authType = AUTH_SHAREDKEY; // Only Both
6520 if(encoding->flags & IW_ENCODE_OPEN)
6521 local->config.authType = AUTH_ENCRYPT; // Only Wep
6522 /* Commit the changes to flags if needed */
6523 if (local->config.authType != currentAuthType)
6524 set_bit (FLAG_COMMIT, &local->flags);
6526 return -EINPROGRESS;
6530 /*------------------------------------------------------------------*/
6532 * Wireless Handler : get extended Encryption parameters
6534 static int airo_get_encodeext(struct net_device *dev,
6535 struct iw_request_info *info,
6536 union iwreq_data *wrqu,
6539 struct airo_info *local = dev->priv;
6540 struct iw_point *encoding = &wrqu->encoding;
6541 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6542 CapabilityRid cap_rid; /* Card capability info */
6543 int idx, max_key_len;
6545 /* Is it supported ? */
6546 readCapabilityRid(local, &cap_rid, 1);
6547 if(!(cap_rid.softCap & 2)) {
6550 readConfigRid(local, 1);
6552 max_key_len = encoding->length - sizeof(*ext);
6553 if (max_key_len < 0)
6556 idx = encoding->flags & IW_ENCODE_INDEX;
6558 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6562 idx = get_wep_key(local, 0xffff);
6564 encoding->flags = idx + 1;
6565 memset(ext, 0, sizeof(*ext));
6567 /* Check encryption mode */
6568 switch(local->config.authType) {
6570 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6572 case AUTH_SHAREDKEY:
6573 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6577 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6580 /* We can't return the key, so set the proper flag and return zero */
6581 encoding->flags |= IW_ENCODE_NOKEY;
6582 memset(extra, 0, 16);
6584 /* Copy the key to the user buffer */
6585 ext->key_len = get_wep_key(local, idx);
6586 if (ext->key_len > 16) {
6594 /*------------------------------------------------------------------*/
6596 * Wireless Handler : set extended authentication parameters
6598 static int airo_set_auth(struct net_device *dev,
6599 struct iw_request_info *info,
6600 union iwreq_data *wrqu, char *extra)
6602 struct airo_info *local = dev->priv;
6603 struct iw_param *param = &wrqu->param;
6604 u16 currentAuthType = local->config.authType;
6606 switch (param->flags & IW_AUTH_INDEX) {
6607 case IW_AUTH_WPA_VERSION:
6608 case IW_AUTH_CIPHER_PAIRWISE:
6609 case IW_AUTH_CIPHER_GROUP:
6610 case IW_AUTH_KEY_MGMT:
6611 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6612 case IW_AUTH_PRIVACY_INVOKED:
6614 * airo does not use these parameters
6618 case IW_AUTH_DROP_UNENCRYPTED:
6620 /* Only change auth type if unencrypted */
6621 if (currentAuthType == AUTH_OPEN)
6622 local->config.authType = AUTH_ENCRYPT;
6624 local->config.authType = AUTH_OPEN;
6627 /* Commit the changes to flags if needed */
6628 if (local->config.authType != currentAuthType)
6629 set_bit (FLAG_COMMIT, &local->flags);
6632 case IW_AUTH_80211_AUTH_ALG: {
6633 /* FIXME: What about AUTH_OPEN? This API seems to
6634 * disallow setting our auth to AUTH_OPEN.
6636 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6637 local->config.authType = AUTH_SHAREDKEY;
6638 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6639 local->config.authType = AUTH_ENCRYPT;
6644 /* Commit the changes to flags if needed */
6645 if (local->config.authType != currentAuthType)
6646 set_bit (FLAG_COMMIT, &local->flags);
6649 case IW_AUTH_WPA_ENABLED:
6650 /* Silently accept disable of WPA */
6651 if (param->value > 0)
6658 return -EINPROGRESS;
6662 /*------------------------------------------------------------------*/
6664 * Wireless Handler : get extended authentication parameters
6666 static int airo_get_auth(struct net_device *dev,
6667 struct iw_request_info *info,
6668 union iwreq_data *wrqu, char *extra)
6670 struct airo_info *local = dev->priv;
6671 struct iw_param *param = &wrqu->param;
6672 u16 currentAuthType = local->config.authType;
6674 switch (param->flags & IW_AUTH_INDEX) {
6675 case IW_AUTH_DROP_UNENCRYPTED:
6676 switch (currentAuthType) {
6677 case AUTH_SHAREDKEY:
6687 case IW_AUTH_80211_AUTH_ALG:
6688 switch (currentAuthType) {
6689 case AUTH_SHAREDKEY:
6690 param->value = IW_AUTH_ALG_SHARED_KEY;
6694 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6699 case IW_AUTH_WPA_ENABLED:
6710 /*------------------------------------------------------------------*/
6712 * Wireless Handler : set Tx-Power
6714 static int airo_set_txpow(struct net_device *dev,
6715 struct iw_request_info *info,
6716 struct iw_param *vwrq,
6719 struct airo_info *local = dev->priv;
6720 CapabilityRid cap_rid; /* Card capability info */
6724 readCapabilityRid(local, &cap_rid, 1);
6726 if (vwrq->disabled) {
6727 set_bit (FLAG_RADIO_OFF, &local->flags);
6728 set_bit (FLAG_COMMIT, &local->flags);
6729 return -EINPROGRESS; /* Call commit handler */
6731 if (vwrq->flags != IW_TXPOW_MWATT) {
6734 clear_bit (FLAG_RADIO_OFF, &local->flags);
6735 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6736 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6737 readConfigRid(local, 1);
6738 local->config.txPower = vwrq->value;
6739 set_bit (FLAG_COMMIT, &local->flags);
6740 rc = -EINPROGRESS; /* Call commit handler */
6746 /*------------------------------------------------------------------*/
6748 * Wireless Handler : get Tx-Power
6750 static int airo_get_txpow(struct net_device *dev,
6751 struct iw_request_info *info,
6752 struct iw_param *vwrq,
6755 struct airo_info *local = dev->priv;
6757 readConfigRid(local, 1);
6758 vwrq->value = local->config.txPower;
6759 vwrq->fixed = 1; /* No power control */
6760 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6761 vwrq->flags = IW_TXPOW_MWATT;
6766 /*------------------------------------------------------------------*/
6768 * Wireless Handler : set Retry limits
6770 static int airo_set_retry(struct net_device *dev,
6771 struct iw_request_info *info,
6772 struct iw_param *vwrq,
6775 struct airo_info *local = dev->priv;
6778 if(vwrq->disabled) {
6781 readConfigRid(local, 1);
6782 if(vwrq->flags & IW_RETRY_LIMIT) {
6783 if(vwrq->flags & IW_RETRY_LONG)
6784 local->config.longRetryLimit = vwrq->value;
6785 else if (vwrq->flags & IW_RETRY_SHORT)
6786 local->config.shortRetryLimit = vwrq->value;
6788 /* No modifier : set both */
6789 local->config.longRetryLimit = vwrq->value;
6790 local->config.shortRetryLimit = vwrq->value;
6792 set_bit (FLAG_COMMIT, &local->flags);
6793 rc = -EINPROGRESS; /* Call commit handler */
6795 if(vwrq->flags & IW_RETRY_LIFETIME) {
6796 local->config.txLifetime = vwrq->value / 1024;
6797 set_bit (FLAG_COMMIT, &local->flags);
6798 rc = -EINPROGRESS; /* Call commit handler */
6803 /*------------------------------------------------------------------*/
6805 * Wireless Handler : get Retry limits
6807 static int airo_get_retry(struct net_device *dev,
6808 struct iw_request_info *info,
6809 struct iw_param *vwrq,
6812 struct airo_info *local = dev->priv;
6814 vwrq->disabled = 0; /* Can't be disabled */
6816 readConfigRid(local, 1);
6817 /* Note : by default, display the min retry number */
6818 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6819 vwrq->flags = IW_RETRY_LIFETIME;
6820 vwrq->value = (int)local->config.txLifetime * 1024;
6821 } else if((vwrq->flags & IW_RETRY_LONG)) {
6822 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6823 vwrq->value = (int)local->config.longRetryLimit;
6825 vwrq->flags = IW_RETRY_LIMIT;
6826 vwrq->value = (int)local->config.shortRetryLimit;
6827 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6828 vwrq->flags |= IW_RETRY_SHORT;
6834 /*------------------------------------------------------------------*/
6836 * Wireless Handler : get range info
6838 static int airo_get_range(struct net_device *dev,
6839 struct iw_request_info *info,
6840 struct iw_point *dwrq,
6843 struct airo_info *local = dev->priv;
6844 struct iw_range *range = (struct iw_range *) extra;
6845 CapabilityRid cap_rid; /* Card capability info */
6849 readCapabilityRid(local, &cap_rid, 1);
6851 dwrq->length = sizeof(struct iw_range);
6852 memset(range, 0, sizeof(*range));
6853 range->min_nwid = 0x0000;
6854 range->max_nwid = 0x0000;
6855 range->num_channels = 14;
6856 /* Should be based on cap_rid.country to give only
6857 * what the current card support */
6859 for(i = 0; i < 14; i++) {
6860 range->freq[k].i = i + 1; /* List index */
6861 range->freq[k].m = frequency_list[i] * 100000;
6862 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6864 range->num_frequency = k;
6866 range->sensitivity = 65535;
6868 /* Hum... Should put the right values there */
6870 range->max_qual.qual = 100; /* % */
6872 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6873 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6874 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6876 /* Experimental measurements - boundary 11/5.5 Mb/s */
6877 /* Note : with or without the (local->rssi), results
6878 * are somewhat different. - Jean II */
6880 range->avg_qual.qual = 50; /* % */
6881 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6883 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6884 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6886 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6888 for(i = 0 ; i < 8 ; i++) {
6889 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6890 if(range->bitrate[i] == 0)
6893 range->num_bitrates = i;
6895 /* Set an indication of the max TCP throughput
6896 * in bit/s that we can expect using this interface.
6897 * May be use for QoS stuff... Jean II */
6899 range->throughput = 5000 * 1000;
6901 range->throughput = 1500 * 1000;
6904 range->max_rts = AIRO_DEF_MTU;
6905 range->min_frag = 256;
6906 range->max_frag = AIRO_DEF_MTU;
6908 if(cap_rid.softCap & 2) {
6910 range->encoding_size[0] = 5;
6912 if (cap_rid.softCap & 0x100) {
6913 range->encoding_size[1] = 13;
6914 range->num_encoding_sizes = 2;
6916 range->num_encoding_sizes = 1;
6917 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6919 range->num_encoding_sizes = 0;
6920 range->max_encoding_tokens = 0;
6923 range->max_pmp = 5000000; /* 5 secs */
6925 range->max_pmt = 65535 * 1024; /* ??? */
6926 range->pmp_flags = IW_POWER_PERIOD;
6927 range->pmt_flags = IW_POWER_TIMEOUT;
6928 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6930 /* Transmit Power - values are in mW */
6931 for(i = 0 ; i < 8 ; i++) {
6932 range->txpower[i] = cap_rid.txPowerLevels[i];
6933 if(range->txpower[i] == 0)
6936 range->num_txpower = i;
6937 range->txpower_capa = IW_TXPOW_MWATT;
6938 range->we_version_source = 19;
6939 range->we_version_compiled = WIRELESS_EXT;
6940 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6941 range->retry_flags = IW_RETRY_LIMIT;
6942 range->r_time_flags = IW_RETRY_LIFETIME;
6943 range->min_retry = 1;
6944 range->max_retry = 65535;
6945 range->min_r_time = 1024;
6946 range->max_r_time = 65535 * 1024;
6948 /* Event capability (kernel + driver) */
6949 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6950 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6951 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6952 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6953 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6954 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6958 /*------------------------------------------------------------------*/
6960 * Wireless Handler : set Power Management
6962 static int airo_set_power(struct net_device *dev,
6963 struct iw_request_info *info,
6964 struct iw_param *vwrq,
6967 struct airo_info *local = dev->priv;
6969 readConfigRid(local, 1);
6970 if (vwrq->disabled) {
6971 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6974 local->config.powerSaveMode = POWERSAVE_CAM;
6975 local->config.rmode &= 0xFF00;
6976 local->config.rmode |= RXMODE_BC_MC_ADDR;
6977 set_bit (FLAG_COMMIT, &local->flags);
6978 return -EINPROGRESS; /* Call commit handler */
6980 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6981 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6982 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6983 set_bit (FLAG_COMMIT, &local->flags);
6984 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6985 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6986 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6987 set_bit (FLAG_COMMIT, &local->flags);
6989 switch (vwrq->flags & IW_POWER_MODE) {
6990 case IW_POWER_UNICAST_R:
6991 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6994 local->config.rmode &= 0xFF00;
6995 local->config.rmode |= RXMODE_ADDR;
6996 set_bit (FLAG_COMMIT, &local->flags);
6998 case IW_POWER_ALL_R:
6999 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7002 local->config.rmode &= 0xFF00;
7003 local->config.rmode |= RXMODE_BC_MC_ADDR;
7004 set_bit (FLAG_COMMIT, &local->flags);
7006 /* This is broken, fixme ;-) */
7011 // Note : we may want to factor local->need_commit here
7012 // Note2 : may also want to factor RXMODE_RFMON test
7013 return -EINPROGRESS; /* Call commit handler */
7016 /*------------------------------------------------------------------*/
7018 * Wireless Handler : get Power Management
7020 static int airo_get_power(struct net_device *dev,
7021 struct iw_request_info *info,
7022 struct iw_param *vwrq,
7025 struct airo_info *local = dev->priv;
7028 readConfigRid(local, 1);
7029 mode = local->config.powerSaveMode;
7030 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7032 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7033 vwrq->value = (int)local->config.fastListenDelay * 1024;
7034 vwrq->flags = IW_POWER_TIMEOUT;
7036 vwrq->value = (int)local->config.fastListenInterval * 1024;
7037 vwrq->flags = IW_POWER_PERIOD;
7039 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7040 vwrq->flags |= IW_POWER_UNICAST_R;
7042 vwrq->flags |= IW_POWER_ALL_R;
7047 /*------------------------------------------------------------------*/
7049 * Wireless Handler : set Sensitivity
7051 static int airo_set_sens(struct net_device *dev,
7052 struct iw_request_info *info,
7053 struct iw_param *vwrq,
7056 struct airo_info *local = dev->priv;
7058 readConfigRid(local, 1);
7059 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7060 set_bit (FLAG_COMMIT, &local->flags);
7062 return -EINPROGRESS; /* Call commit handler */
7065 /*------------------------------------------------------------------*/
7067 * Wireless Handler : get Sensitivity
7069 static int airo_get_sens(struct net_device *dev,
7070 struct iw_request_info *info,
7071 struct iw_param *vwrq,
7074 struct airo_info *local = dev->priv;
7076 readConfigRid(local, 1);
7077 vwrq->value = local->config.rssiThreshold;
7078 vwrq->disabled = (vwrq->value == 0);
7084 /*------------------------------------------------------------------*/
7086 * Wireless Handler : get AP List
7087 * Note : this is deprecated in favor of IWSCAN
7089 static int airo_get_aplist(struct net_device *dev,
7090 struct iw_request_info *info,
7091 struct iw_point *dwrq,
7094 struct airo_info *local = dev->priv;
7095 struct sockaddr *address = (struct sockaddr *) extra;
7096 struct iw_quality qual[IW_MAX_AP];
7099 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7101 for (i = 0; i < IW_MAX_AP; i++) {
7102 if (readBSSListRid(local, loseSync, &BSSList))
7105 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7106 address[i].sa_family = ARPHRD_ETHER;
7108 qual[i].level = 0x100 - BSSList.dBm;
7109 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7110 qual[i].updated = IW_QUAL_QUAL_UPDATED
7111 | IW_QUAL_LEVEL_UPDATED
7114 qual[i].level = (BSSList.dBm + 321) / 2;
7116 qual[i].updated = IW_QUAL_QUAL_INVALID
7117 | IW_QUAL_LEVEL_UPDATED
7120 qual[i].noise = local->wstats.qual.noise;
7121 if (BSSList.index == 0xffff)
7125 StatusRid status_rid; /* Card status info */
7126 readStatusRid(local, &status_rid, 1);
7128 i < min(IW_MAX_AP, 4) &&
7129 (status_rid.bssid[i][0]
7130 & status_rid.bssid[i][1]
7131 & status_rid.bssid[i][2]
7132 & status_rid.bssid[i][3]
7133 & status_rid.bssid[i][4]
7134 & status_rid.bssid[i][5])!=0xff &&
7135 (status_rid.bssid[i][0]
7136 | status_rid.bssid[i][1]
7137 | status_rid.bssid[i][2]
7138 | status_rid.bssid[i][3]
7139 | status_rid.bssid[i][4]
7140 | status_rid.bssid[i][5]);
7142 memcpy(address[i].sa_data,
7143 status_rid.bssid[i], ETH_ALEN);
7144 address[i].sa_family = ARPHRD_ETHER;
7147 dwrq->flags = 1; /* Should be define'd */
7148 memcpy(extra + sizeof(struct sockaddr)*i,
7149 &qual, sizeof(struct iw_quality)*i);
7156 /*------------------------------------------------------------------*/
7158 * Wireless Handler : Initiate Scan
7160 static int airo_set_scan(struct net_device *dev,
7161 struct iw_request_info *info,
7162 struct iw_param *vwrq,
7165 struct airo_info *ai = dev->priv;
7170 /* Note : you may have realised that, as this is a SET operation,
7171 * this is privileged and therefore a normal user can't
7173 * This is not an error, while the device perform scanning,
7174 * traffic doesn't flow, so it's a perfect DoS...
7176 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7178 if (down_interruptible(&ai->sem))
7179 return -ERESTARTSYS;
7181 /* If there's already a scan in progress, don't
7182 * trigger another one. */
7183 if (ai->scan_timeout > 0)
7186 /* Initiate a scan command */
7187 ai->scan_timeout = RUN_AT(3*HZ);
7188 memset(&cmd, 0, sizeof(cmd));
7189 cmd.cmd=CMD_LISTBSS;
7190 issuecommand(ai, &cmd, &rsp);
7196 wake_up_interruptible(&ai->thr_wait);
7200 /*------------------------------------------------------------------*/
7202 * Translate scan data returned from the card to a card independent
7203 * format that the Wireless Tools will understand - Jean II
7205 static inline char *airo_translate_scan(struct net_device *dev,
7210 struct airo_info *ai = dev->priv;
7211 struct iw_event iwe; /* Temporary buffer */
7213 char * current_val; /* For rates */
7218 /* First entry *MUST* be the AP MAC address */
7219 iwe.cmd = SIOCGIWAP;
7220 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7221 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7222 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7224 /* Other entries will be displayed in the order we give them */
7227 iwe.u.data.length = bss->ssidLen;
7228 if(iwe.u.data.length > 32)
7229 iwe.u.data.length = 32;
7230 iwe.cmd = SIOCGIWESSID;
7231 iwe.u.data.flags = 1;
7232 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7235 iwe.cmd = SIOCGIWMODE;
7236 capabilities = le16_to_cpu(bss->cap);
7237 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7238 if(capabilities & CAP_ESS)
7239 iwe.u.mode = IW_MODE_MASTER;
7241 iwe.u.mode = IW_MODE_ADHOC;
7242 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7246 iwe.cmd = SIOCGIWFREQ;
7247 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7248 /* iwe.u.freq.m containt the channel (starting 1), our
7249 * frequency_list array start at index 0...
7251 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7253 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7255 dBm = le16_to_cpu(bss->dBm);
7257 /* Add quality statistics */
7260 iwe.u.qual.level = 0x100 - dBm;
7261 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7262 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7263 | IW_QUAL_LEVEL_UPDATED
7266 iwe.u.qual.level = (dBm + 321) / 2;
7267 iwe.u.qual.qual = 0;
7268 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7269 | IW_QUAL_LEVEL_UPDATED
7272 iwe.u.qual.noise = ai->wstats.qual.noise;
7273 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7275 /* Add encryption capability */
7276 iwe.cmd = SIOCGIWENCODE;
7277 if(capabilities & CAP_PRIVACY)
7278 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7280 iwe.u.data.flags = IW_ENCODE_DISABLED;
7281 iwe.u.data.length = 0;
7282 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7284 /* Rate : stuffing multiple values in a single event require a bit
7285 * more of magic - Jean II */
7286 current_val = current_ev + IW_EV_LCP_LEN;
7288 iwe.cmd = SIOCGIWRATE;
7289 /* Those two flags are ignored... */
7290 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7292 for(i = 0 ; i < 8 ; i++) {
7293 /* NULL terminated */
7294 if(bss->rates[i] == 0)
7296 /* Bit rate given in 500 kb/s units (+ 0x80) */
7297 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7298 /* Add new value to event */
7299 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7301 /* Check if we added any event */
7302 if((current_val - current_ev) > IW_EV_LCP_LEN)
7303 current_ev = current_val;
7305 /* Beacon interval */
7306 buf = kmalloc(30, GFP_KERNEL);
7308 iwe.cmd = IWEVCUSTOM;
7309 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7310 iwe.u.data.length = strlen(buf);
7311 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7315 /* Put WPA/RSN Information Elements into the event stream */
7316 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7317 unsigned int num_null_ies = 0;
7318 u16 length = sizeof (bss->extra.iep);
7319 struct ieee80211_info_element *info_element =
7320 (struct ieee80211_info_element *) &bss->extra.iep;
7322 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7323 if (sizeof(*info_element) + info_element->len > length) {
7324 /* Invalid element, don't continue parsing IE */
7328 switch (info_element->id) {
7329 case MFIE_TYPE_SSID:
7330 /* Two zero-length SSID elements
7331 * mean we're done parsing elements */
7332 if (!info_element->len)
7336 case MFIE_TYPE_GENERIC:
7337 if (info_element->len >= 4 &&
7338 info_element->data[0] == 0x00 &&
7339 info_element->data[1] == 0x50 &&
7340 info_element->data[2] == 0xf2 &&
7341 info_element->data[3] == 0x01) {
7342 iwe.cmd = IWEVGENIE;
7343 iwe.u.data.length = min(info_element->len + 2,
7345 current_ev = iwe_stream_add_point(current_ev, end_buf,
7346 &iwe, (char *) info_element);
7351 iwe.cmd = IWEVGENIE;
7352 iwe.u.data.length = min(info_element->len + 2,
7354 current_ev = iwe_stream_add_point(current_ev, end_buf,
7355 &iwe, (char *) info_element);
7362 length -= sizeof(*info_element) + info_element->len;
7364 (struct ieee80211_info_element *)&info_element->
7365 data[info_element->len];
7371 /*------------------------------------------------------------------*/
7373 * Wireless Handler : Read Scan Results
7375 static int airo_get_scan(struct net_device *dev,
7376 struct iw_request_info *info,
7377 struct iw_point *dwrq,
7380 struct airo_info *ai = dev->priv;
7381 BSSListElement *net;
7383 char *current_ev = extra;
7385 /* If a scan is in-progress, return -EAGAIN */
7386 if (ai->scan_timeout > 0)
7389 if (down_interruptible(&ai->sem))
7392 list_for_each_entry (net, &ai->network_list, list) {
7393 /* Translate to WE format this entry */
7394 current_ev = airo_translate_scan(dev, current_ev,
7395 extra + dwrq->length,
7398 /* Check if there is space for one more entry */
7399 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7400 /* Ask user space to try again with a bigger buffer */
7406 /* Length of data */
7407 dwrq->length = (current_ev - extra);
7408 dwrq->flags = 0; /* todo */
7415 /*------------------------------------------------------------------*/
7417 * Commit handler : called after a bunch of SET operations
7419 static int airo_config_commit(struct net_device *dev,
7420 struct iw_request_info *info, /* NULL */
7421 void *zwrq, /* NULL */
7422 char *extra) /* NULL */
7424 struct airo_info *local = dev->priv;
7426 if (!test_bit (FLAG_COMMIT, &local->flags))
7429 /* Some of the "SET" function may have modified some of the
7430 * parameters. It's now time to commit them in the card */
7431 disable_MAC(local, 1);
7432 if (test_bit (FLAG_RESET, &local->flags)) {
7433 APListRid APList_rid;
7436 readAPListRid(local, &APList_rid);
7437 readSsidRid(local, &SSID_rid);
7438 if (test_bit(FLAG_MPI,&local->flags))
7439 setup_card(local, dev->dev_addr, 1 );
7441 reset_airo_card(dev);
7442 disable_MAC(local, 1);
7443 writeSsidRid(local, &SSID_rid, 1);
7444 writeAPListRid(local, &APList_rid, 1);
7446 if (down_interruptible(&local->sem))
7447 return -ERESTARTSYS;
7448 writeConfigRid(local, 0);
7449 enable_MAC(local, 0);
7450 if (test_bit (FLAG_RESET, &local->flags))
7451 airo_set_promisc(local);
7458 /*------------------------------------------------------------------*/
7460 * Structures to export the Wireless Handlers
7463 static const struct iw_priv_args airo_private_args[] = {
7464 /*{ cmd, set_args, get_args, name } */
7465 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7466 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7467 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7468 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7471 static const iw_handler airo_handler[] =
7473 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7474 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7475 (iw_handler) NULL, /* SIOCSIWNWID */
7476 (iw_handler) NULL, /* SIOCGIWNWID */
7477 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7478 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7479 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7480 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7481 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7482 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7483 (iw_handler) NULL, /* SIOCSIWRANGE */
7484 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7485 (iw_handler) NULL, /* SIOCSIWPRIV */
7486 (iw_handler) NULL, /* SIOCGIWPRIV */
7487 (iw_handler) NULL, /* SIOCSIWSTATS */
7488 (iw_handler) NULL, /* SIOCGIWSTATS */
7489 iw_handler_set_spy, /* SIOCSIWSPY */
7490 iw_handler_get_spy, /* SIOCGIWSPY */
7491 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7492 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7493 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7494 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7495 (iw_handler) NULL, /* -- hole -- */
7496 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7497 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7498 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7499 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7500 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7501 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7502 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7503 (iw_handler) NULL, /* -- hole -- */
7504 (iw_handler) NULL, /* -- hole -- */
7505 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7506 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7507 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7508 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7509 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7510 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7511 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7512 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7513 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7514 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7515 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7516 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7517 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7518 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7519 (iw_handler) NULL, /* -- hole -- */
7520 (iw_handler) NULL, /* -- hole -- */
7521 (iw_handler) NULL, /* SIOCSIWGENIE */
7522 (iw_handler) NULL, /* SIOCGIWGENIE */
7523 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7524 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7525 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7526 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7527 (iw_handler) NULL, /* SIOCSIWPMKSA */
7530 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7531 * We want to force the use of the ioctl code, because those can't be
7532 * won't work the iw_handler code (because they simultaneously read
7533 * and write data and iw_handler can't do that).
7534 * Note that it's perfectly legal to read/write on a single ioctl command,
7535 * you just can't use iwpriv and need to force it via the ioctl handler.
7537 static const iw_handler airo_private_handler[] =
7539 NULL, /* SIOCIWFIRSTPRIV */
7542 static const struct iw_handler_def airo_handler_def =
7544 .num_standard = ARRAY_SIZE(airo_handler),
7545 .num_private = ARRAY_SIZE(airo_private_handler),
7546 .num_private_args = ARRAY_SIZE(airo_private_args),
7547 .standard = airo_handler,
7548 .private = airo_private_handler,
7549 .private_args = airo_private_args,
7550 .get_wireless_stats = airo_get_wireless_stats,
7554 * This defines the configuration part of the Wireless Extensions
7555 * Note : irq and spinlock protection will occur in the subroutines
7558 * o Check input value more carefully and fill correct values in range
7559 * o Test and shakeout the bugs (if any)
7563 * Javier Achirica did a great job of merging code from the unnamed CISCO
7564 * developer that added support for flashing the card.
7566 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7569 struct airo_info *ai = (struct airo_info *)dev->priv;
7571 if (ai->power.event)
7581 int val = AIROMAGIC;
7583 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7585 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7594 /* Get the command struct and hand it off for evaluation by
7595 * the proper subfunction
7599 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7604 /* Separate R/W functions bracket legality here
7606 if ( com.command == AIRORSWVERSION ) {
7607 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7612 else if ( com.command <= AIRORRID)
7613 rc = readrids(dev,&com);
7614 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7615 rc = writerids(dev,&com);
7616 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7617 rc = flashcard(dev,&com);
7619 rc = -EINVAL; /* Bad command in ioctl */
7622 #endif /* CISCO_EXT */
7624 // All other calls are currently unsupported
7632 * Get the Wireless stats out of the driver
7633 * Note : irq and spinlock protection will occur in the subroutines
7636 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7640 static void airo_read_wireless_stats(struct airo_info *local)
7642 StatusRid status_rid;
7644 CapabilityRid cap_rid;
7645 u32 *vals = stats_rid.vals;
7647 /* Get stats out of the card */
7648 clear_bit(JOB_WSTATS, &local->jobs);
7649 if (local->power.event) {
7653 readCapabilityRid(local, &cap_rid, 0);
7654 readStatusRid(local, &status_rid, 0);
7655 readStatsRid(local, &stats_rid, RID_STATS, 0);
7659 local->wstats.status = status_rid.mode;
7661 /* Signal quality and co */
7663 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7664 /* normalizedSignalStrength appears to be a percentage */
7665 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7667 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7668 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7670 if (status_rid.len >= 124) {
7671 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7672 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7674 local->wstats.qual.noise = 0;
7675 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7678 /* Packets discarded in the wireless adapter due to wireless
7679 * specific problems */
7680 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7681 local->wstats.discard.code = vals[6];/* RxWepErr */
7682 local->wstats.discard.fragment = vals[30];
7683 local->wstats.discard.retries = vals[10];
7684 local->wstats.discard.misc = vals[1] + vals[32];
7685 local->wstats.miss.beacon = vals[34];
7688 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7690 struct airo_info *local = dev->priv;
7692 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7693 /* Get stats out of the card if available */
7694 if (down_trylock(&local->sem) != 0) {
7695 set_bit(JOB_WSTATS, &local->jobs);
7696 wake_up_interruptible(&local->thr_wait);
7698 airo_read_wireless_stats(local);
7701 return &local->wstats;
7706 * This just translates from driver IOCTL codes to the command codes to
7707 * feed to the radio's host interface. Things can be added/deleted
7708 * as needed. This represents the READ side of control I/O to
7711 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7712 unsigned short ridcode;
7713 unsigned char *iobuf;
7715 struct airo_info *ai = dev->priv;
7717 if (test_bit(FLAG_FLASHING, &ai->flags))
7720 switch(comp->command)
7722 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7723 case AIROGCFG: ridcode = RID_CONFIG;
7724 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7725 disable_MAC (ai, 1);
7726 writeConfigRid (ai, 1);
7730 case AIROGSLIST: ridcode = RID_SSID; break;
7731 case AIROGVLIST: ridcode = RID_APLIST; break;
7732 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7733 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7734 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7735 /* Only super-user can read WEP keys */
7736 if (!capable(CAP_NET_ADMIN))
7739 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7740 /* Only super-user can read WEP keys */
7741 if (!capable(CAP_NET_ADMIN))
7744 case AIROGSTAT: ridcode = RID_STATUS; break;
7745 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7746 case AIROGSTATSC32: ridcode = RID_STATS; break;
7748 if (copy_to_user(comp->data, &ai->micstats,
7749 min((int)comp->len,(int)sizeof(ai->micstats))))
7752 case AIRORRID: ridcode = comp->ridnum; break;
7758 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7761 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7762 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7763 * then return it to the user
7764 * 9/22/2000 Honor user given length
7768 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7777 * Danger Will Robinson write the rids here
7780 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7781 struct airo_info *ai = dev->priv;
7784 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7785 unsigned char *iobuf;
7787 /* Only super-user can write RIDs */
7788 if (!capable(CAP_NET_ADMIN))
7791 if (test_bit(FLAG_FLASHING, &ai->flags))
7795 writer = do_writerid;
7797 switch(comp->command)
7799 case AIROPSIDS: ridcode = RID_SSID; break;
7800 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7801 case AIROPAPLIST: ridcode = RID_APLIST; break;
7802 case AIROPCFG: ai->config.len = 0;
7803 clear_bit(FLAG_COMMIT, &ai->flags);
7804 ridcode = RID_CONFIG; break;
7805 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7806 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7807 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7808 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7810 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7811 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7813 /* this is not really a rid but a command given to the card
7817 if (enable_MAC(ai, 1) != 0)
7822 * Evidently this code in the airo driver does not get a symbol
7823 * as disable_MAC. it's probably so short the compiler does not gen one.
7829 /* This command merely clears the counts does not actually store any data
7830 * only reads rid. But as it changes the cards state, I put it in the
7831 * writerid routines.
7834 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7837 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7839 enabled = ai->micstats.enabled;
7840 memset(&ai->micstats,0,sizeof(ai->micstats));
7841 ai->micstats.enabled = enabled;
7843 if (copy_to_user(comp->data, iobuf,
7844 min((int)comp->len, (int)RIDSIZE))) {
7852 return -EOPNOTSUPP; /* Blarg! */
7854 if(comp->len > RIDSIZE)
7857 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7860 if (copy_from_user(iobuf,comp->data,comp->len)) {
7865 if (comp->command == AIROPCFG) {
7866 ConfigRid *cfg = (ConfigRid *)iobuf;
7868 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7869 cfg->opmode |= cpu_to_le16(MODE_MIC);
7871 if ((le16_to_cpu(cfg->opmode) & 0xFF) == MODE_STA_IBSS)
7872 set_bit (FLAG_ADHOC, &ai->flags);
7874 clear_bit (FLAG_ADHOC, &ai->flags);
7877 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7885 /*****************************************************************************
7886 * Ancillary flash / mod functions much black magic lurkes here *
7887 *****************************************************************************
7891 * Flash command switch table
7894 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7897 /* Only super-user can modify flash */
7898 if (!capable(CAP_NET_ADMIN))
7901 switch(comp->command)
7904 return cmdreset((struct airo_info *)dev->priv);
7907 if (!((struct airo_info *)dev->priv)->flash &&
7908 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7910 return setflashmode((struct airo_info *)dev->priv);
7912 case AIROFLSHGCHR: /* Get char from aux */
7913 if(comp->len != sizeof(int))
7915 if (copy_from_user(&z,comp->data,comp->len))
7917 return flashgchar((struct airo_info *)dev->priv,z,8000);
7919 case AIROFLSHPCHR: /* Send char to card. */
7920 if(comp->len != sizeof(int))
7922 if (copy_from_user(&z,comp->data,comp->len))
7924 return flashpchar((struct airo_info *)dev->priv,z,8000);
7926 case AIROFLPUTBUF: /* Send 32k to card */
7927 if (!((struct airo_info *)dev->priv)->flash)
7929 if(comp->len > FLASHSIZE)
7931 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7934 flashputbuf((struct airo_info *)dev->priv);
7938 if(flashrestart((struct airo_info *)dev->priv,dev))
7945 #define FLASH_COMMAND 0x7e7e
7949 * Disable MAC and do soft reset on
7953 static int cmdreset(struct airo_info *ai) {
7957 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7961 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7963 ssleep(1); /* WAS 600 12/7/00 */
7966 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7973 * Put the card in legendary flash
7977 static int setflashmode (struct airo_info *ai) {
7978 set_bit (FLAG_FLASHING, &ai->flags);
7980 OUT4500(ai, SWS0, FLASH_COMMAND);
7981 OUT4500(ai, SWS1, FLASH_COMMAND);
7983 OUT4500(ai, SWS0, FLASH_COMMAND);
7984 OUT4500(ai, COMMAND,0x10);
7986 OUT4500(ai, SWS2, FLASH_COMMAND);
7987 OUT4500(ai, SWS3, FLASH_COMMAND);
7988 OUT4500(ai, COMMAND,0);
7990 msleep(500); /* 500ms delay */
7993 clear_bit (FLAG_FLASHING, &ai->flags);
7994 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8000 /* Put character to SWS0 wait for dwelltime
8004 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8015 /* Wait for busy bit d15 to go false indicating buffer empty */
8016 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8021 /* timeout for busy clear wait */
8023 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8027 /* Port is clear now write byte and wait for it to echo back */
8029 OUT4500(ai,SWS0,byte);
8032 echo = IN4500(ai,SWS1);
8033 } while (dwelltime >= 0 && echo != byte);
8037 return (echo == byte) ? 0 : -EIO;
8041 * Get a character from the card matching matchbyte
8044 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8046 unsigned char rbyte=0;
8049 rchar = IN4500(ai,SWS1);
8051 if(dwelltime && !(0x8000 & rchar)){
8056 rbyte = 0xff & rchar;
8058 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8062 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8066 }while(dwelltime > 0);
8071 * Transfer 32k of firmware data from user buffer to our buffer and
8075 static int flashputbuf(struct airo_info *ai){
8079 if (test_bit(FLAG_MPI,&ai->flags))
8080 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8082 OUT4500(ai,AUXPAGE,0x100);
8083 OUT4500(ai,AUXOFF,0);
8085 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8086 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8089 OUT4500(ai,SWS0,0x8000);
8097 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8100 ssleep(1); /* Added 12/7/00 */
8101 clear_bit (FLAG_FLASHING, &ai->flags);
8102 if (test_bit(FLAG_MPI, &ai->flags)) {
8103 status = mpi_init_descriptors(ai);
8104 if (status != SUCCESS)
8107 status = setup_card(ai, dev->dev_addr, 1);
8109 if (!test_bit(FLAG_MPI,&ai->flags))
8110 for( i = 0; i < MAX_FIDS; i++ ) {
8111 ai->fids[i] = transmit_allocate
8112 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8115 ssleep(1); /* Added 12/7/00 */
8118 #endif /* CISCO_EXT */
8121 This program is free software; you can redistribute it and/or
8122 modify it under the terms of the GNU General Public License
8123 as published by the Free Software Foundation; either version 2
8124 of the License, or (at your option) any later version.
8126 This program is distributed in the hope that it will be useful,
8127 but WITHOUT ANY WARRANTY; without even the implied warranty of
8128 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8129 GNU General Public License for more details.
8133 Redistribution and use in source and binary forms, with or without
8134 modification, are permitted provided that the following conditions
8137 1. Redistributions of source code must retain the above copyright
8138 notice, this list of conditions and the following disclaimer.
8139 2. Redistributions in binary form must reproduce the above copyright
8140 notice, this list of conditions and the following disclaimer in the
8141 documentation and/or other materials provided with the distribution.
8142 3. The name of the author may not be used to endorse or promote
8143 products derived from this software without specific prior written
8146 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8147 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8148 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8149 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8150 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8151 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8152 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8153 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8154 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8155 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8156 POSSIBILITY OF SUCH DAMAGE.
8159 module_init(airo_init_module);
8160 module_exit(airo_cleanup_module);