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*, __le16 *pu16Dst, int bytelen,
1106 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1108 static int bap_write(struct airo_info*, const __le16 *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*, __le16 *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, __le16 *pu16Dst, int bytelen,
1242 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1245 static int setup_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1247 static int takedown_proc_entry( struct net_device *dev,
1248 struct airo_info *apriv );
1250 static int cmdreset(struct airo_info *ai);
1251 static int setflashmode (struct airo_info *ai);
1252 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1253 static int flashputbuf(struct airo_info *ai);
1254 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1256 #define airo_print(type, name, fmt, args...) \
1257 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1259 #define airo_print_info(name, fmt, args...) \
1260 airo_print(KERN_INFO, name, fmt, ##args)
1262 #define airo_print_dbg(name, fmt, args...) \
1263 airo_print(KERN_DEBUG, name, fmt, ##args)
1265 #define airo_print_warn(name, fmt, args...) \
1266 airo_print(KERN_WARNING, name, fmt, ##args)
1268 #define airo_print_err(name, fmt, args...) \
1269 airo_print(KERN_ERR, name, fmt, ##args)
1272 /***********************************************************************
1274 ***********************************************************************
1277 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1278 static void MoveWindow(miccntx *context, u32 micSeq);
1279 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1280 struct crypto_cipher *tfm);
1281 static void emmh32_init(emmh32_context *context);
1282 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1283 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1284 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1286 /* micinit - Initialize mic seed */
1288 static void micinit(struct airo_info *ai)
1292 clear_bit(JOB_MIC, &ai->jobs);
1293 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1296 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1298 if (ai->micstats.enabled) {
1299 /* Key must be valid and different */
1300 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1301 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1302 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1303 /* Age current mic Context */
1304 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1305 /* Initialize new context */
1306 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1307 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1308 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1309 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1310 ai->mod[0].mCtx.valid = 1; //Key is now valid
1312 /* Give key to mic seed */
1313 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1316 /* Key must be valid and different */
1317 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1318 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1319 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1320 /* Age current mic Context */
1321 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1322 /* Initialize new context */
1323 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1325 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1326 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1327 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1328 ai->mod[0].uCtx.valid = 1; //Key is now valid
1330 //Give key to mic seed
1331 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1334 /* So next time we have a valid key and mic is enabled, we will update
1335 * the sequence number if the key is the same as before.
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1342 /* micsetup - Get ready for business */
1344 static int micsetup(struct airo_info *ai) {
1347 if (ai->tfm == NULL)
1348 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1350 if (IS_ERR(ai->tfm)) {
1351 airo_print_err(ai->dev->name, "failed to load transform for AES");
1356 for (i=0; i < NUM_MODULES; i++) {
1357 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1358 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1363 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1365 /*===========================================================================
1366 * Description: Mic a packet
1368 * Inputs: etherHead * pointer to an 802.3 frame
1370 * Returns: BOOLEAN if successful, otherwise false.
1371 * PacketTxLen will be updated with the mic'd packets size.
1373 * Caveats: It is assumed that the frame buffer will already
1374 * be big enough to hold the largets mic message possible.
1375 * (No memory allocation is done here).
1377 * Author: sbraneky (10/15/01)
1378 * Merciless hacks by rwilcher (1/14/02)
1381 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1385 // Determine correct context
1386 // If not adhoc, always use unicast key
1388 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1389 context = &ai->mod[0].mCtx;
1391 context = &ai->mod[0].uCtx;
1393 if (!context->valid)
1396 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1398 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1401 mic->seq = htonl(context->tx);
1404 emmh32_init(&context->seed); // Mic the packet
1405 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1406 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1407 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1408 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1409 emmh32_final(&context->seed, (u8*)&mic->mic);
1411 /* New Type/length ?????????? */
1412 mic->typelen = 0; //Let NIC know it could be an oversized packet
1424 /*===========================================================================
1425 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1426 * (removes the MIC stuff) if packet is a valid packet.
1428 * Inputs: etherHead pointer to the 802.3 packet
1430 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1432 * Author: sbraneky (10/15/01)
1433 * Merciless hacks by rwilcher (1/14/02)
1434 *---------------------------------------------------------------------------
1437 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1443 mic_error micError = NONE;
1445 // Check if the packet is a Mic'd packet
1447 if (!ai->micstats.enabled) {
1448 //No Mic set or Mic OFF but we received a MIC'd packet.
1449 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1450 ai->micstats.rxMICPlummed++;
1456 if (ntohs(mic->typelen) == 0x888E)
1459 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1460 // Mic enabled but packet isn't Mic'd
1461 ai->micstats.rxMICPlummed++;
1465 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1467 //At this point we a have a mic'd packet and mic is enabled
1468 //Now do the mic error checking.
1470 //Receive seq must be odd
1471 if ( (micSEQ & 1) == 0 ) {
1472 ai->micstats.rxWrongSequence++;
1476 for (i = 0; i < NUM_MODULES; i++) {
1477 int mcast = eth->da[0] & 1;
1478 //Determine proper context
1479 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1481 //Make sure context is valid
1482 if (!context->valid) {
1484 micError = NOMICPLUMMED;
1490 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1492 emmh32_init(&context->seed);
1493 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1494 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1495 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1496 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1498 emmh32_final(&context->seed, digest);
1500 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1503 micError = INCORRECTMIC;
1507 //Check Sequence number if mics pass
1508 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1509 ai->micstats.rxSuccess++;
1513 micError = SEQUENCE;
1516 // Update statistics
1518 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1519 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1520 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1527 /*===========================================================================
1528 * Description: Checks the Rx Seq number to make sure it is valid
1529 * and hasn't already been received
1531 * Inputs: miccntx - mic context to check seq against
1532 * micSeq - the Mic seq number
1534 * Returns: TRUE if valid otherwise FALSE.
1536 * Author: sbraneky (10/15/01)
1537 * Merciless hacks by rwilcher (1/14/02)
1538 *---------------------------------------------------------------------------
1541 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1545 //Allow for the ap being rebooted - if it is then use the next
1546 //sequence number of the current sequence number - might go backwards
1549 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1550 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1551 context->window = (micSeq > 33) ? micSeq : 33;
1552 context->rx = 0; // Reset rx
1554 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1555 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1556 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1557 context->rx = 0; // Reset rx
1560 //Make sequence number relative to START of window
1561 seq = micSeq - (context->window - 33);
1563 //Too old of a SEQ number to check.
1568 //Window is infinite forward
1569 MoveWindow(context,micSeq);
1573 // We are in the window. Now check the context rx bit to see if it was already sent
1574 seq >>= 1; //divide by 2 because we only have odd numbers
1575 index = 1 << seq; //Get an index number
1577 if (!(context->rx & index)) {
1578 //micSEQ falls inside the window.
1579 //Add seqence number to the list of received numbers.
1580 context->rx |= index;
1582 MoveWindow(context,micSeq);
1589 static void MoveWindow(miccntx *context, u32 micSeq)
1593 //Move window if seq greater than the middle of the window
1594 if (micSeq > context->window) {
1595 shift = (micSeq - context->window) >> 1;
1599 context->rx >>= shift;
1603 context->window = micSeq; //Move window
1607 /*==============================================*/
1608 /*========== EMMH ROUTINES ====================*/
1609 /*==============================================*/
1611 /* mic accumulate */
1612 #define MIC_ACCUM(val) \
1613 context->accum += (u64)(val) * context->coeff[coeff_position++];
1615 static unsigned char aes_counter[16];
1617 /* expand the key to fill the MMH coefficient array */
1618 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1619 struct crypto_cipher *tfm)
1621 /* take the keying material, expand if necessary, truncate at 16-bytes */
1622 /* run through AES counter mode to generate context->coeff[] */
1626 u8 *cipher, plain[16];
1628 crypto_cipher_setkey(tfm, pkey, 16);
1630 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1631 aes_counter[15] = (u8)(counter >> 0);
1632 aes_counter[14] = (u8)(counter >> 8);
1633 aes_counter[13] = (u8)(counter >> 16);
1634 aes_counter[12] = (u8)(counter >> 24);
1636 memcpy (plain, aes_counter, 16);
1637 crypto_cipher_encrypt_one(tfm, plain, plain);
1639 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1640 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1646 /* prepare for calculation of a new mic */
1647 static void emmh32_init(emmh32_context *context)
1649 /* prepare for new mic calculation */
1651 context->position = 0;
1654 /* add some bytes to the mic calculation */
1655 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1657 int coeff_position, byte_position;
1659 if (len == 0) return;
1661 coeff_position = context->position >> 2;
1663 /* deal with partial 32-bit word left over from last update */
1664 byte_position = context->position & 3;
1665 if (byte_position) {
1666 /* have a partial word in part to deal with */
1668 if (len == 0) return;
1669 context->part.d8[byte_position++] = *pOctets++;
1670 context->position++;
1672 } while (byte_position < 4);
1673 MIC_ACCUM(ntohl(context->part.d32));
1676 /* deal with full 32-bit words */
1678 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1679 context->position += 4;
1684 /* deal with partial 32-bit word that will be left over from this update */
1687 context->part.d8[byte_position++] = *pOctets++;
1688 context->position++;
1693 /* mask used to zero empty bytes for final partial word */
1694 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1696 /* calculate the mic */
1697 static void emmh32_final(emmh32_context *context, u8 digest[4])
1699 int coeff_position, byte_position;
1705 coeff_position = context->position >> 2;
1707 /* deal with partial 32-bit word left over from last update */
1708 byte_position = context->position & 3;
1709 if (byte_position) {
1710 /* have a partial word in part to deal with */
1711 val = ntohl(context->part.d32);
1712 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1715 /* reduce the accumulated u64 to a 32-bit MIC */
1716 sum = context->accum;
1717 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1718 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1719 sum = utmp & 0xffffffffLL;
1720 if (utmp > 0x10000000fLL)
1724 digest[0] = (val>>24) & 0xFF;
1725 digest[1] = (val>>16) & 0xFF;
1726 digest[2] = (val>>8) & 0xFF;
1727 digest[3] = val & 0xFF;
1730 static int readBSSListRid(struct airo_info *ai, int first,
1737 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1738 memset(&cmd, 0, sizeof(cmd));
1739 cmd.cmd=CMD_LISTBSS;
1740 if (down_interruptible(&ai->sem))
1741 return -ERESTARTSYS;
1742 ai->list_bss_task = current;
1743 issuecommand(ai, &cmd, &rsp);
1745 /* Let the command take effect */
1746 schedule_timeout_uninterruptible(3 * HZ);
1747 ai->list_bss_task = NULL;
1749 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1750 list, ai->bssListRidLen, 1);
1752 list->len = le16_to_cpu(list->len);
1753 list->index = le16_to_cpu(list->index);
1754 list->radioType = le16_to_cpu(list->radioType);
1755 list->cap = le16_to_cpu(list->cap);
1756 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1757 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1758 list->dsChannel = le16_to_cpu(list->dsChannel);
1759 list->atimWindow = le16_to_cpu(list->atimWindow);
1760 list->dBm = le16_to_cpu(list->dBm);
1764 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1765 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1766 wkr, sizeof(*wkr), lock);
1768 wkr->len = le16_to_cpu(wkr->len);
1769 wkr->kindex = le16_to_cpu(wkr->kindex);
1770 wkr->klen = le16_to_cpu(wkr->klen);
1773 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1774 * the originals when we endian them... */
1775 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1777 WepKeyRid wkr = *pwkr;
1779 wkr.len = cpu_to_le16(wkr.len);
1780 wkr.kindex = cpu_to_le16(wkr.kindex);
1781 wkr.klen = cpu_to_le16(wkr.klen);
1782 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1783 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1785 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1787 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1793 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1795 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1798 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1800 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1803 static int readConfigRid(struct airo_info*ai, int lock) {
1811 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1815 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1817 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1818 *s = le16_to_cpu(*s);
1820 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1821 *s = le16_to_cpu(*s);
1823 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1824 *s = cpu_to_le16(*s);
1826 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1827 *s = cpu_to_le16(*s);
1832 static inline void checkThrottle(struct airo_info *ai) {
1834 /* Old hardware had a limit on encryption speed */
1835 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1836 for(i=0; i<8; i++) {
1837 if (ai->config.rates[i] > maxencrypt) {
1838 ai->config.rates[i] = 0;
1843 static int writeConfigRid(struct airo_info*ai, int lock) {
1847 if (!test_bit (FLAG_COMMIT, &ai->flags))
1850 clear_bit (FLAG_COMMIT, &ai->flags);
1851 clear_bit (FLAG_RESET, &ai->flags);
1855 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1856 set_bit(FLAG_ADHOC, &ai->flags);
1858 clear_bit(FLAG_ADHOC, &ai->flags);
1860 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1862 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1863 *s = cpu_to_le16(*s);
1865 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1866 *s = cpu_to_le16(*s);
1868 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1869 *s = cpu_to_le16(*s);
1871 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1872 *s = cpu_to_le16(*s);
1874 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1876 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1877 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1880 statr->len = le16_to_cpu(statr->len);
1881 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1883 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1884 *s = le16_to_cpu(*s);
1885 statr->load = le16_to_cpu(statr->load);
1886 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1889 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1890 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1891 aplr->len = le16_to_cpu(aplr->len);
1894 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1896 aplr->len = cpu_to_le16(aplr->len);
1897 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1900 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1901 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1904 capr->len = le16_to_cpu(capr->len);
1905 capr->prodNum = le16_to_cpu(capr->prodNum);
1906 capr->radioType = le16_to_cpu(capr->radioType);
1907 capr->country = le16_to_cpu(capr->country);
1908 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1909 *s = le16_to_cpu(*s);
1912 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1913 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1916 sr->len = le16_to_cpu(sr->len);
1917 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1921 static void try_auto_wep(struct airo_info *ai)
1923 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1924 ai->expires = RUN_AT(3*HZ);
1925 wake_up_interruptible(&ai->thr_wait);
1929 static int airo_open(struct net_device *dev) {
1930 struct airo_info *ai = dev->priv;
1933 if (test_bit(FLAG_FLASHING, &ai->flags))
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1942 writeConfigRid(ai, 1);
1945 if (ai->wifidev != dev) {
1946 clear_bit(JOB_DIE, &ai->jobs);
1947 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1948 if (IS_ERR(ai->airo_thread_task))
1949 return (int)PTR_ERR(ai->airo_thread_task);
1951 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1954 airo_print_err(dev->name,
1955 "register interrupt %d failed, rc %d",
1957 set_bit(JOB_DIE, &ai->jobs);
1958 kthread_stop(ai->airo_thread_task);
1962 /* Power on the MAC controller (which may have been disabled) */
1963 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1964 enable_interrupts(ai);
1970 netif_start_queue(dev);
1974 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1975 int npacks, pending;
1976 unsigned long flags;
1977 struct airo_info *ai = dev->priv;
1980 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1983 npacks = skb_queue_len (&ai->txq);
1985 if (npacks >= MAXTXQ - 1) {
1986 netif_stop_queue (dev);
1987 if (npacks > MAXTXQ) {
1988 ai->stats.tx_fifo_errors++;
1991 skb_queue_tail (&ai->txq, skb);
1995 spin_lock_irqsave(&ai->aux_lock, flags);
1996 skb_queue_tail (&ai->txq, skb);
1997 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1998 spin_unlock_irqrestore(&ai->aux_lock,flags);
1999 netif_wake_queue (dev);
2002 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2003 mpi_send_packet (dev);
2011 * Attempt to transmit a packet. Can be called from interrupt
2012 * or transmit . return number of packets we tried to send
2015 static int mpi_send_packet (struct net_device *dev)
2017 struct sk_buff *skb;
2018 unsigned char *buffer;
2021 struct airo_info *ai = dev->priv;
2024 /* get a packet to send */
2026 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
2027 airo_print_err(dev->name,
2028 "%s: Dequeue'd zero in send_packet()",
2033 /* check min length*/
2034 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2037 ai->txfids[0].tx_desc.offset = 0;
2038 ai->txfids[0].tx_desc.valid = 1;
2039 ai->txfids[0].tx_desc.eoc = 1;
2040 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2043 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2044 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2045 * is immediatly after it. ------------------------------------------------
2046 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2047 * ------------------------------------------------
2050 memcpy((char *)ai->txfids[0].virtual_host_addr,
2051 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2053 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2054 sizeof(wifictlhdr8023));
2055 sendbuf = ai->txfids[0].virtual_host_addr +
2056 sizeof(wifictlhdr8023) + 2 ;
2059 * Firmware automaticly puts 802 header on so
2060 * we don't need to account for it in the length
2062 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2063 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2066 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2069 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2070 ai->txfids[0].tx_desc.len += sizeof(pMic);
2071 /* copy data into airo dma buffer */
2072 memcpy (sendbuf, buffer, sizeof(etherHead));
2073 buffer += sizeof(etherHead);
2074 sendbuf += sizeof(etherHead);
2075 memcpy (sendbuf, &pMic, sizeof(pMic));
2076 sendbuf += sizeof(pMic);
2077 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2079 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2081 dev->trans_start = jiffies;
2083 /* copy data into airo dma buffer */
2084 memcpy(sendbuf, buffer, len);
2087 memcpy_toio(ai->txfids[0].card_ram_off,
2088 &ai->txfids[0].tx_desc, sizeof(TxFid));
2090 OUT4500(ai, EVACK, 8);
2092 dev_kfree_skb_any(skb);
2096 static void get_tx_error(struct airo_info *ai, s32 fid)
2101 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2103 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2105 bap_read(ai, &status, 2, BAP0);
2107 if (le16_to_cpu(status) & 2) /* Too many retries */
2108 ai->stats.tx_aborted_errors++;
2109 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2110 ai->stats.tx_heartbeat_errors++;
2111 if (le16_to_cpu(status) & 8) /* Aid fail */
2113 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2114 ai->stats.tx_carrier_errors++;
2115 if (le16_to_cpu(status) & 0x20) /* Association lost */
2117 /* We produce a TXDROP event only for retry or lifetime
2118 * exceeded, because that's the only status that really mean
2119 * that this particular node went away.
2120 * Other errors means that *we* screwed up. - Jean II */
2121 if ((le16_to_cpu(status) & 2) ||
2122 (le16_to_cpu(status) & 4)) {
2123 union iwreq_data wrqu;
2126 /* Faster to skip over useless data than to do
2127 * another bap_setup(). We are at offset 0x6 and
2128 * need to go to 0x18 and read 6 bytes - Jean II */
2129 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2131 /* Copy 802.11 dest address.
2132 * We use the 802.11 header because the frame may
2133 * not be 802.3 or may be mangled...
2134 * In Ad-Hoc mode, it will be the node address.
2135 * In managed mode, it will be most likely the AP addr
2136 * User space will figure out how to convert it to
2137 * whatever it needs (IP address or else).
2139 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2140 wrqu.addr.sa_family = ARPHRD_ETHER;
2142 /* Send event to user space */
2143 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2147 static void airo_end_xmit(struct net_device *dev) {
2150 struct airo_info *priv = dev->priv;
2151 struct sk_buff *skb = priv->xmit.skb;
2152 int fid = priv->xmit.fid;
2153 u32 *fids = priv->fids;
2155 clear_bit(JOB_XMIT, &priv->jobs);
2156 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2157 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2161 if ( status == SUCCESS ) {
2162 dev->trans_start = jiffies;
2163 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2165 priv->fids[fid] &= 0xffff;
2166 priv->stats.tx_window_errors++;
2168 if (i < MAX_FIDS / 2)
2169 netif_wake_queue(dev);
2173 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2176 struct airo_info *priv = dev->priv;
2177 u32 *fids = priv->fids;
2179 if ( skb == NULL ) {
2180 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2184 /* Find a vacant FID */
2185 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2186 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2188 if ( j >= MAX_FIDS / 2 ) {
2189 netif_stop_queue(dev);
2191 if (i == MAX_FIDS / 2) {
2192 priv->stats.tx_fifo_errors++;
2196 /* check min length*/
2197 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2198 /* Mark fid as used & save length for later */
2199 fids[i] |= (len << 16);
2200 priv->xmit.skb = skb;
2202 if (down_trylock(&priv->sem) != 0) {
2203 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2204 netif_stop_queue(dev);
2205 set_bit(JOB_XMIT, &priv->jobs);
2206 wake_up_interruptible(&priv->thr_wait);
2212 static void airo_end_xmit11(struct net_device *dev) {
2215 struct airo_info *priv = dev->priv;
2216 struct sk_buff *skb = priv->xmit11.skb;
2217 int fid = priv->xmit11.fid;
2218 u32 *fids = priv->fids;
2220 clear_bit(JOB_XMIT11, &priv->jobs);
2221 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2222 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2226 if ( status == SUCCESS ) {
2227 dev->trans_start = jiffies;
2228 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2230 priv->fids[fid] &= 0xffff;
2231 priv->stats.tx_window_errors++;
2234 netif_wake_queue(dev);
2238 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2241 struct airo_info *priv = dev->priv;
2242 u32 *fids = priv->fids;
2244 if (test_bit(FLAG_MPI, &priv->flags)) {
2245 /* Not implemented yet for MPI350 */
2246 netif_stop_queue(dev);
2250 if ( skb == NULL ) {
2251 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2255 /* Find a vacant FID */
2256 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2257 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2259 if ( j >= MAX_FIDS ) {
2260 netif_stop_queue(dev);
2262 if (i == MAX_FIDS) {
2263 priv->stats.tx_fifo_errors++;
2267 /* check min length*/
2268 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2269 /* Mark fid as used & save length for later */
2270 fids[i] |= (len << 16);
2271 priv->xmit11.skb = skb;
2272 priv->xmit11.fid = i;
2273 if (down_trylock(&priv->sem) != 0) {
2274 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2275 netif_stop_queue(dev);
2276 set_bit(JOB_XMIT11, &priv->jobs);
2277 wake_up_interruptible(&priv->thr_wait);
2279 airo_end_xmit11(dev);
2283 static void airo_read_stats(struct airo_info *ai) {
2285 u32 *vals = stats_rid.vals;
2287 clear_bit(JOB_STATS, &ai->jobs);
2288 if (ai->power.event) {
2292 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2295 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2296 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2297 ai->stats.rx_bytes = vals[92];
2298 ai->stats.tx_bytes = vals[91];
2299 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2300 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2301 ai->stats.multicast = vals[43];
2302 ai->stats.collisions = vals[89];
2304 /* detailed rx_errors: */
2305 ai->stats.rx_length_errors = vals[3];
2306 ai->stats.rx_crc_errors = vals[4];
2307 ai->stats.rx_frame_errors = vals[2];
2308 ai->stats.rx_fifo_errors = vals[0];
2311 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2313 struct airo_info *local = dev->priv;
2315 if (!test_bit(JOB_STATS, &local->jobs)) {
2316 /* Get stats out of the card if available */
2317 if (down_trylock(&local->sem) != 0) {
2318 set_bit(JOB_STATS, &local->jobs);
2319 wake_up_interruptible(&local->thr_wait);
2321 airo_read_stats(local);
2324 return &local->stats;
2327 static void airo_set_promisc(struct airo_info *ai) {
2331 memset(&cmd, 0, sizeof(cmd));
2332 cmd.cmd=CMD_SETMODE;
2333 clear_bit(JOB_PROMISC, &ai->jobs);
2334 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2335 issuecommand(ai, &cmd, &rsp);
2339 static void airo_set_multicast_list(struct net_device *dev) {
2340 struct airo_info *ai = dev->priv;
2342 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2343 change_bit(FLAG_PROMISC, &ai->flags);
2344 if (down_trylock(&ai->sem) != 0) {
2345 set_bit(JOB_PROMISC, &ai->jobs);
2346 wake_up_interruptible(&ai->thr_wait);
2348 airo_set_promisc(ai);
2351 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2352 /* Turn on multicast. (Should be already setup...) */
2356 static int airo_set_mac_address(struct net_device *dev, void *p)
2358 struct airo_info *ai = dev->priv;
2359 struct sockaddr *addr = p;
2361 readConfigRid(ai, 1);
2362 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2363 set_bit (FLAG_COMMIT, &ai->flags);
2365 writeConfigRid (ai, 1);
2367 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2369 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2373 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2375 if ((new_mtu < 68) || (new_mtu > 2400))
2381 static LIST_HEAD(airo_devices);
2383 static void add_airo_dev(struct airo_info *ai)
2385 /* Upper layers already keep track of PCI devices,
2386 * so we only need to remember our non-PCI cards. */
2388 list_add_tail(&ai->dev_list, &airo_devices);
2391 static void del_airo_dev(struct airo_info *ai)
2394 list_del(&ai->dev_list);
2397 static int airo_close(struct net_device *dev) {
2398 struct airo_info *ai = dev->priv;
2400 netif_stop_queue(dev);
2402 if (ai->wifidev != dev) {
2403 #ifdef POWER_ON_DOWN
2404 /* Shut power to the card. The idea is that the user can save
2405 * power when he doesn't need the card with "ifconfig down".
2406 * That's the method that is most friendly towards the network
2407 * stack (i.e. the network stack won't try to broadcast
2408 * anything on the interface and routes are gone. Jean II */
2409 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2412 disable_interrupts( ai );
2414 free_irq(dev->irq, dev);
2416 set_bit(JOB_DIE, &ai->jobs);
2417 kthread_stop(ai->airo_thread_task);
2422 void stop_airo_card( struct net_device *dev, int freeres )
2424 struct airo_info *ai = dev->priv;
2426 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2428 disable_interrupts(ai);
2429 takedown_proc_entry( dev, ai );
2430 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2431 unregister_netdev( dev );
2433 unregister_netdev(ai->wifidev);
2434 free_netdev(ai->wifidev);
2437 clear_bit(FLAG_REGISTERED, &ai->flags);
2440 * Clean out tx queue
2442 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2443 struct sk_buff *skb = NULL;
2444 for (;(skb = skb_dequeue(&ai->txq));)
2448 airo_networks_free (ai);
2455 /* PCMCIA frees this stuff, so only for PCI and ISA */
2456 release_region( dev->base_addr, 64 );
2457 if (test_bit(FLAG_MPI, &ai->flags)) {
2459 mpi_unmap_card(ai->pci);
2461 iounmap(ai->pcimem);
2463 iounmap(ai->pciaux);
2464 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2465 ai->shared, ai->shared_dma);
2468 crypto_free_cipher(ai->tfm);
2473 EXPORT_SYMBOL(stop_airo_card);
2475 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2477 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2481 static void mpi_unmap_card(struct pci_dev *pci)
2483 unsigned long mem_start = pci_resource_start(pci, 1);
2484 unsigned long mem_len = pci_resource_len(pci, 1);
2485 unsigned long aux_start = pci_resource_start(pci, 2);
2486 unsigned long aux_len = AUXMEMSIZE;
2488 release_mem_region(aux_start, aux_len);
2489 release_mem_region(mem_start, mem_len);
2492 /*************************************************************
2493 * This routine assumes that descriptors have been setup .
2494 * Run at insmod time or after reset when the decriptors
2495 * have been initialized . Returns 0 if all is well nz
2496 * otherwise . Does not allocate memory but sets up card
2497 * using previously allocated descriptors.
2499 static int mpi_init_descriptors (struct airo_info *ai)
2506 /* Alloc card RX descriptors */
2507 netif_stop_queue(ai->dev);
2509 memset(&rsp,0,sizeof(rsp));
2510 memset(&cmd,0,sizeof(cmd));
2512 cmd.cmd = CMD_ALLOCATEAUX;
2514 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2515 cmd.parm2 = MPI_MAX_FIDS;
2516 rc=issuecommand(ai, &cmd, &rsp);
2517 if (rc != SUCCESS) {
2518 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2522 for (i=0; i<MPI_MAX_FIDS; i++) {
2523 memcpy_toio(ai->rxfids[i].card_ram_off,
2524 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2527 /* Alloc card TX descriptors */
2529 memset(&rsp,0,sizeof(rsp));
2530 memset(&cmd,0,sizeof(cmd));
2532 cmd.cmd = CMD_ALLOCATEAUX;
2534 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2535 cmd.parm2 = MPI_MAX_FIDS;
2537 for (i=0; i<MPI_MAX_FIDS; i++) {
2538 ai->txfids[i].tx_desc.valid = 1;
2539 memcpy_toio(ai->txfids[i].card_ram_off,
2540 &ai->txfids[i].tx_desc, sizeof(TxFid));
2542 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2544 rc=issuecommand(ai, &cmd, &rsp);
2545 if (rc != SUCCESS) {
2546 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2550 /* Alloc card Rid descriptor */
2551 memset(&rsp,0,sizeof(rsp));
2552 memset(&cmd,0,sizeof(cmd));
2554 cmd.cmd = CMD_ALLOCATEAUX;
2556 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2557 cmd.parm2 = 1; /* Magic number... */
2558 rc=issuecommand(ai, &cmd, &rsp);
2559 if (rc != SUCCESS) {
2560 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2564 memcpy_toio(ai->config_desc.card_ram_off,
2565 &ai->config_desc.rid_desc, sizeof(Rid));
2571 * We are setting up three things here:
2572 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2573 * 2) Map PCI memory for issueing commands.
2574 * 3) Allocate memory (shared) to send and receive ethernet frames.
2576 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2578 unsigned long mem_start, mem_len, aux_start, aux_len;
2581 dma_addr_t busaddroff;
2582 unsigned char *vpackoff;
2583 unsigned char __iomem *pciaddroff;
2585 mem_start = pci_resource_start(pci, 1);
2586 mem_len = pci_resource_len(pci, 1);
2587 aux_start = pci_resource_start(pci, 2);
2588 aux_len = AUXMEMSIZE;
2590 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2591 airo_print_err("", "Couldn't get region %x[%x]",
2592 (int)mem_start, (int)mem_len);
2595 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2596 airo_print_err("", "Couldn't get region %x[%x]",
2597 (int)aux_start, (int)aux_len);
2601 ai->pcimem = ioremap(mem_start, mem_len);
2603 airo_print_err("", "Couldn't map region %x[%x]",
2604 (int)mem_start, (int)mem_len);
2607 ai->pciaux = ioremap(aux_start, aux_len);
2609 airo_print_err("", "Couldn't map region %x[%x]",
2610 (int)aux_start, (int)aux_len);
2614 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2615 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2617 airo_print_err("", "Couldn't alloc_consistent %d",
2623 * Setup descriptor RX, TX, CONFIG
2625 busaddroff = ai->shared_dma;
2626 pciaddroff = ai->pciaux + AUX_OFFSET;
2627 vpackoff = ai->shared;
2629 /* RX descriptor setup */
2630 for(i = 0; i < MPI_MAX_FIDS; i++) {
2631 ai->rxfids[i].pending = 0;
2632 ai->rxfids[i].card_ram_off = pciaddroff;
2633 ai->rxfids[i].virtual_host_addr = vpackoff;
2634 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2635 ai->rxfids[i].rx_desc.valid = 1;
2636 ai->rxfids[i].rx_desc.len = PKTSIZE;
2637 ai->rxfids[i].rx_desc.rdy = 0;
2639 pciaddroff += sizeof(RxFid);
2640 busaddroff += PKTSIZE;
2641 vpackoff += PKTSIZE;
2644 /* TX descriptor setup */
2645 for(i = 0; i < MPI_MAX_FIDS; i++) {
2646 ai->txfids[i].card_ram_off = pciaddroff;
2647 ai->txfids[i].virtual_host_addr = vpackoff;
2648 ai->txfids[i].tx_desc.valid = 1;
2649 ai->txfids[i].tx_desc.host_addr = busaddroff;
2650 memcpy(ai->txfids[i].virtual_host_addr,
2651 &wifictlhdr8023, sizeof(wifictlhdr8023));
2653 pciaddroff += sizeof(TxFid);
2654 busaddroff += PKTSIZE;
2655 vpackoff += PKTSIZE;
2657 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2659 /* Rid descriptor setup */
2660 ai->config_desc.card_ram_off = pciaddroff;
2661 ai->config_desc.virtual_host_addr = vpackoff;
2662 ai->config_desc.rid_desc.host_addr = busaddroff;
2663 ai->ridbus = busaddroff;
2664 ai->config_desc.rid_desc.rid = 0;
2665 ai->config_desc.rid_desc.len = RIDSIZE;
2666 ai->config_desc.rid_desc.valid = 1;
2667 pciaddroff += sizeof(Rid);
2668 busaddroff += RIDSIZE;
2669 vpackoff += RIDSIZE;
2671 /* Tell card about descriptors */
2672 if (mpi_init_descriptors (ai) != SUCCESS)
2677 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2679 iounmap(ai->pciaux);
2681 iounmap(ai->pcimem);
2683 release_mem_region(aux_start, aux_len);
2685 release_mem_region(mem_start, mem_len);
2690 static const struct header_ops airo_header_ops = {
2691 .parse = wll_header_parse,
2694 static void wifi_setup(struct net_device *dev)
2696 dev->header_ops = &airo_header_ops;
2697 dev->hard_start_xmit = &airo_start_xmit11;
2698 dev->get_stats = &airo_get_stats;
2699 dev->set_mac_address = &airo_set_mac_address;
2700 dev->do_ioctl = &airo_ioctl;
2701 dev->wireless_handlers = &airo_handler_def;
2702 dev->change_mtu = &airo_change_mtu;
2703 dev->open = &airo_open;
2704 dev->stop = &airo_close;
2706 dev->type = ARPHRD_IEEE80211;
2707 dev->hard_header_len = ETH_HLEN;
2708 dev->mtu = AIRO_DEF_MTU;
2709 dev->addr_len = ETH_ALEN;
2710 dev->tx_queue_len = 100;
2712 memset(dev->broadcast,0xFF, ETH_ALEN);
2714 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2717 static struct net_device *init_wifidev(struct airo_info *ai,
2718 struct net_device *ethdev)
2721 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2724 dev->priv = ethdev->priv;
2725 dev->irq = ethdev->irq;
2726 dev->base_addr = ethdev->base_addr;
2727 dev->wireless_data = ethdev->wireless_data;
2728 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2729 err = register_netdev(dev);
2737 static int reset_card( struct net_device *dev , int lock) {
2738 struct airo_info *ai = dev->priv;
2740 if (lock && down_interruptible(&ai->sem))
2743 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2752 #define AIRO_MAX_NETWORK_COUNT 64
2753 static int airo_networks_allocate(struct airo_info *ai)
2759 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2761 if (!ai->networks) {
2762 airo_print_warn("", "Out of memory allocating beacons");
2769 static void airo_networks_free(struct airo_info *ai)
2771 kfree(ai->networks);
2772 ai->networks = NULL;
2775 static void airo_networks_initialize(struct airo_info *ai)
2779 INIT_LIST_HEAD(&ai->network_free_list);
2780 INIT_LIST_HEAD(&ai->network_list);
2781 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2782 list_add_tail(&ai->networks[i].list,
2783 &ai->network_free_list);
2786 static int airo_test_wpa_capable(struct airo_info *ai)
2789 CapabilityRid cap_rid;
2791 status = readCapabilityRid(ai, &cap_rid, 1);
2792 if (status != SUCCESS) return 0;
2794 /* Only firmware versions 5.30.17 or better can do WPA */
2795 if ((cap_rid.softVer > 0x530)
2796 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2797 airo_print_info("", "WPA is supported.");
2801 /* No WPA support */
2802 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2803 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2807 static struct net_device *_init_airo_card( unsigned short irq, int port,
2808 int is_pcmcia, struct pci_dev *pci,
2809 struct device *dmdev )
2811 struct net_device *dev;
2812 struct airo_info *ai;
2814 DECLARE_MAC_BUF(mac);
2816 /* Create the network device object. */
2817 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2819 airo_print_err("", "Couldn't alloc_etherdev");
2825 ai->flags = 1 << FLAG_RADIO_DOWN;
2828 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2829 airo_print_dbg("", "Found an MPI350 card");
2830 set_bit(FLAG_MPI, &ai->flags);
2832 spin_lock_init(&ai->aux_lock);
2833 sema_init(&ai->sem, 1);
2836 init_waitqueue_head (&ai->thr_wait);
2840 if (airo_networks_allocate (ai))
2842 airo_networks_initialize (ai);
2844 /* The Airo-specific entries in the device structure. */
2845 if (test_bit(FLAG_MPI,&ai->flags)) {
2846 skb_queue_head_init (&ai->txq);
2847 dev->hard_start_xmit = &mpi_start_xmit;
2849 dev->hard_start_xmit = &airo_start_xmit;
2850 dev->get_stats = &airo_get_stats;
2851 dev->set_multicast_list = &airo_set_multicast_list;
2852 dev->set_mac_address = &airo_set_mac_address;
2853 dev->do_ioctl = &airo_ioctl;
2854 dev->wireless_handlers = &airo_handler_def;
2855 ai->wireless_data.spy_data = &ai->spy_data;
2856 dev->wireless_data = &ai->wireless_data;
2857 dev->change_mtu = &airo_change_mtu;
2858 dev->open = &airo_open;
2859 dev->stop = &airo_close;
2861 dev->base_addr = port;
2863 SET_NETDEV_DEV(dev, dmdev);
2865 reset_card (dev, 1);
2869 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2871 airo_print_err(dev->name, "Couldn't request region");
2876 if (test_bit(FLAG_MPI,&ai->flags)) {
2877 if (mpi_map_card(ai, pci)) {
2878 airo_print_err("", "Could not map memory");
2884 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2885 airo_print_err(dev->name, "MAC could not be enabled" );
2889 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2890 ai->bap_read = fast_bap_read;
2891 set_bit(FLAG_FLASHING, &ai->flags);
2894 /* Test for WPA support */
2895 if (airo_test_wpa_capable(ai)) {
2896 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2897 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2898 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2899 ai->bssListRidLen = sizeof(BSSListRid);
2901 ai->bssListFirst = RID_BSSLISTFIRST;
2902 ai->bssListNext = RID_BSSLISTNEXT;
2903 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2906 strcpy(dev->name, "eth%d");
2907 rc = register_netdev(dev);
2909 airo_print_err(dev->name, "Couldn't register_netdev");
2912 ai->wifidev = init_wifidev(ai, dev);
2916 set_bit(FLAG_REGISTERED,&ai->flags);
2917 airo_print_info(dev->name, "MAC enabled %s",
2918 print_mac(mac, dev->dev_addr));
2920 /* Allocate the transmit buffers */
2921 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2922 for( i = 0; i < MAX_FIDS; i++ )
2923 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2925 if (setup_proc_entry(dev, dev->priv) < 0)
2931 unregister_netdev(ai->wifidev);
2932 free_netdev(ai->wifidev);
2934 unregister_netdev(dev);
2936 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2937 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2938 iounmap(ai->pciaux);
2939 iounmap(ai->pcimem);
2940 mpi_unmap_card(ai->pci);
2944 release_region( dev->base_addr, 64 );
2946 airo_networks_free(ai);
2953 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2954 struct device *dmdev)
2956 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2959 EXPORT_SYMBOL(init_airo_card);
2961 static int waitbusy (struct airo_info *ai) {
2963 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2965 if ((++delay % 20) == 0)
2966 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2968 return delay < 10000;
2971 int reset_airo_card( struct net_device *dev )
2974 struct airo_info *ai = dev->priv;
2975 DECLARE_MAC_BUF(mac);
2977 if (reset_card (dev, 1))
2980 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2981 airo_print_err(dev->name, "MAC could not be enabled");
2984 airo_print_info(dev->name, "MAC enabled %s",
2985 print_mac(mac, dev->dev_addr));
2986 /* Allocate the transmit buffers if needed */
2987 if (!test_bit(FLAG_MPI,&ai->flags))
2988 for( i = 0; i < MAX_FIDS; i++ )
2989 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2991 enable_interrupts( ai );
2992 netif_wake_queue(dev);
2996 EXPORT_SYMBOL(reset_airo_card);
2998 static void airo_send_event(struct net_device *dev) {
2999 struct airo_info *ai = dev->priv;
3000 union iwreq_data wrqu;
3001 StatusRid status_rid;
3003 clear_bit(JOB_EVENT, &ai->jobs);
3004 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3006 wrqu.data.length = 0;
3007 wrqu.data.flags = 0;
3008 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3009 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3011 /* Send event to user space */
3012 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3015 static void airo_process_scan_results (struct airo_info *ai) {
3016 union iwreq_data wrqu;
3019 BSSListElement * loop_net;
3020 BSSListElement * tmp_net;
3022 /* Blow away current list of scan results */
3023 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3024 list_move_tail (&loop_net->list, &ai->network_free_list);
3025 /* Don't blow away ->list, just BSS data */
3026 memset (loop_net, 0, sizeof (loop_net->bss));
3029 /* Try to read the first entry of the scan result */
3030 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3031 if((rc) || (bss.index == 0xffff)) {
3032 /* No scan results */
3036 /* Read and parse all entries */
3038 while((!rc) && (bss.index != 0xffff)) {
3039 /* Grab a network off the free list */
3040 if (!list_empty(&ai->network_free_list)) {
3041 tmp_net = list_entry(ai->network_free_list.next,
3042 BSSListElement, list);
3043 list_del(ai->network_free_list.next);
3046 if (tmp_net != NULL) {
3047 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3048 list_add_tail(&tmp_net->list, &ai->network_list);
3052 /* Read next entry */
3053 rc = PC4500_readrid(ai, ai->bssListNext,
3054 &bss, ai->bssListRidLen, 0);
3058 ai->scan_timeout = 0;
3059 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3062 /* Send an empty event to user space.
3063 * We don't send the received data on
3064 * the event because it would require
3065 * us to do complex transcoding, and
3066 * we want to minimise the work done in
3067 * the irq handler. Use a request to
3068 * extract the data - Jean II */
3069 wrqu.data.length = 0;
3070 wrqu.data.flags = 0;
3071 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3074 static int airo_thread(void *data) {
3075 struct net_device *dev = data;
3076 struct airo_info *ai = dev->priv;
3081 /* make swsusp happy with our thread */
3084 if (test_bit(JOB_DIE, &ai->jobs))
3088 locked = down_interruptible(&ai->sem);
3092 init_waitqueue_entry(&wait, current);
3093 add_wait_queue(&ai->thr_wait, &wait);
3095 set_current_state(TASK_INTERRUPTIBLE);
3098 if (ai->expires || ai->scan_timeout) {
3099 if (ai->scan_timeout &&
3100 time_after_eq(jiffies,ai->scan_timeout)){
3101 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3103 } else if (ai->expires &&
3104 time_after_eq(jiffies,ai->expires)){
3105 set_bit(JOB_AUTOWEP, &ai->jobs);
3108 if (!kthread_should_stop() &&
3109 !freezing(current)) {
3110 unsigned long wake_at;
3111 if (!ai->expires || !ai->scan_timeout) {
3112 wake_at = max(ai->expires,
3115 wake_at = min(ai->expires,
3118 schedule_timeout(wake_at - jiffies);
3121 } else if (!kthread_should_stop() &&
3122 !freezing(current)) {
3128 current->state = TASK_RUNNING;
3129 remove_wait_queue(&ai->thr_wait, &wait);
3136 if (test_bit(JOB_DIE, &ai->jobs)) {
3141 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3146 if (test_bit(JOB_XMIT, &ai->jobs))
3148 else if (test_bit(JOB_XMIT11, &ai->jobs))
3149 airo_end_xmit11(dev);
3150 else if (test_bit(JOB_STATS, &ai->jobs))
3151 airo_read_stats(ai);
3152 else if (test_bit(JOB_WSTATS, &ai->jobs))
3153 airo_read_wireless_stats(ai);
3154 else if (test_bit(JOB_PROMISC, &ai->jobs))
3155 airo_set_promisc(ai);
3156 else if (test_bit(JOB_MIC, &ai->jobs))
3158 else if (test_bit(JOB_EVENT, &ai->jobs))
3159 airo_send_event(dev);
3160 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3162 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3163 airo_process_scan_results(ai);
3164 else /* Shouldn't get here, but we make sure to unlock */
3171 static int header_len(__le16 ctl)
3173 u16 fc = le16_to_cpu(ctl);
3176 if ((fc & 0xe0) == 0xc0)
3177 return 10; /* one-address control packet */
3178 return 16; /* two-address control packet */
3180 if ((fc & 0x300) == 0x300)
3181 return 30; /* WDS packet */
3186 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3188 struct net_device *dev = dev_id;
3191 struct airo_info *apriv = dev->priv;
3192 u16 savedInterrupts = 0;
3195 if (!netif_device_present(dev))
3199 status = IN4500( apriv, EVSTAT );
3200 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3204 if ( status & EV_AWAKE ) {
3205 OUT4500( apriv, EVACK, EV_AWAKE );
3206 OUT4500( apriv, EVACK, EV_AWAKE );
3209 if (!savedInterrupts) {
3210 savedInterrupts = IN4500( apriv, EVINTEN );
3211 OUT4500( apriv, EVINTEN, 0 );
3214 if ( status & EV_MIC ) {
3215 OUT4500( apriv, EVACK, EV_MIC );
3216 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3217 set_bit(JOB_MIC, &apriv->jobs);
3218 wake_up_interruptible(&apriv->thr_wait);
3221 if ( status & EV_LINK ) {
3222 union iwreq_data wrqu;
3223 int scan_forceloss = 0;
3224 /* The link status has changed, if you want to put a
3225 monitor hook in, do it here. (Remember that
3226 interrupts are still disabled!)
3228 u16 newStatus = IN4500(apriv, LINKSTAT);
3229 OUT4500( apriv, EVACK, EV_LINK);
3230 /* Here is what newStatus means: */
3231 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3232 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3233 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3234 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3235 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3236 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3237 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3238 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3240 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3242 #define ASSOCIATED 0x0400 /* Associated */
3243 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3244 #define RC_RESERVED 0 /* Reserved return code */
3245 #define RC_NOREASON 1 /* Unspecified reason */
3246 #define RC_AUTHINV 2 /* Previous authentication invalid */
3247 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3249 #define RC_NOACT 4 /* Disassociated due to inactivity */
3250 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3251 all currently associated stations */
3252 #define RC_BADCLASS2 6 /* Class 2 frame received from
3253 non-Authenticated station */
3254 #define RC_BADCLASS3 7 /* Class 3 frame received from
3255 non-Associated station */
3256 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3258 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3259 Authenticated with the responding station */
3260 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3262 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3265 if (apriv->list_bss_task)
3266 wake_up_process(apriv->list_bss_task);
3267 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3268 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3270 if (down_trylock(&apriv->sem) != 0) {
3271 set_bit(JOB_EVENT, &apriv->jobs);
3272 wake_up_interruptible(&apriv->thr_wait);
3274 airo_send_event(dev);
3275 } else if (!scan_forceloss) {
3276 if (auto_wep && !apriv->expires) {
3277 apriv->expires = RUN_AT(3*HZ);
3278 wake_up_interruptible(&apriv->thr_wait);
3281 /* Send event to user space */
3282 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3283 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3284 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3288 /* Check to see if there is something to receive */
3289 if ( status & EV_RX ) {
3290 struct sk_buff *skb = NULL;
3292 u16 len, hdrlen = 0;
3306 if (test_bit(FLAG_MPI,&apriv->flags)) {
3307 if (test_bit(FLAG_802_11, &apriv->flags))
3308 mpi_receive_802_11(apriv);
3310 mpi_receive_802_3(apriv);
3311 OUT4500(apriv, EVACK, EV_RX);
3315 fid = IN4500( apriv, RXFID );
3317 /* Get the packet length */
3318 if (test_bit(FLAG_802_11, &apriv->flags)) {
3319 bap_setup (apriv, fid, 4, BAP0);
3320 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3321 /* Bad CRC. Ignore packet */
3322 if (le16_to_cpu(hdr.status) & 2)
3324 if (apriv->wifidev == NULL)
3327 bap_setup (apriv, fid, 0x36, BAP0);
3328 bap_read (apriv, &hdr.len, 2, BAP0);
3330 len = le16_to_cpu(hdr.len);
3332 if (len > AIRO_DEF_MTU) {
3333 airo_print_err(apriv->dev->name, "Bad size %d", len);
3339 if (test_bit(FLAG_802_11, &apriv->flags)) {
3340 bap_read (apriv, &fc, sizeof(fc), BAP0);
3341 hdrlen = header_len(fc);
3343 hdrlen = ETH_ALEN * 2;
3345 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3347 apriv->stats.rx_dropped++;
3350 skb_reserve(skb, 2); /* This way the IP header is aligned */
3351 buffer = (__le16*)skb_put (skb, len + hdrlen);
3352 if (test_bit(FLAG_802_11, &apriv->flags)) {
3354 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3356 bap_read (apriv, tmpbuf, 6, BAP0);
3358 bap_read (apriv, &v, sizeof(v), BAP0);
3359 gap = le16_to_cpu(v);
3362 bap_read (apriv, tmpbuf, gap, BAP0);
3364 airo_print_err(apriv->dev->name, "gaplen too "
3365 "big. Problems will follow...");
3368 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3371 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3372 if (apriv->micstats.enabled) {
3373 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3374 if (ntohs(micbuf.typelen) > 0x05DC)
3375 bap_setup (apriv, fid, 0x44, BAP0);
3377 if (len <= sizeof(micbuf))
3380 len -= sizeof(micbuf);
3381 skb_trim (skb, len + hdrlen);
3384 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3385 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3387 dev_kfree_skb_irq (skb);
3389 OUT4500( apriv, EVACK, EV_RX);
3394 if (apriv->spy_data.spy_number > 0) {
3396 struct iw_quality wstats;
3397 /* Prepare spy data : addr + qual */
3398 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3399 sa = (char*)buffer + 6;
3400 bap_setup (apriv, fid, 8, BAP0);
3401 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3403 sa = (char*)buffer + 10;
3404 wstats.qual = hdr.rssi[0];
3406 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3408 wstats.level = (hdr.rssi[1] + 321) / 2;
3409 wstats.noise = apriv->wstats.qual.noise;
3410 wstats.updated = IW_QUAL_LEVEL_UPDATED
3411 | IW_QUAL_QUAL_UPDATED
3413 /* Update spy records */
3414 wireless_spy_update(dev, sa, &wstats);
3416 #endif /* WIRELESS_SPY */
3417 OUT4500( apriv, EVACK, EV_RX);
3419 if (test_bit(FLAG_802_11, &apriv->flags)) {
3420 skb_reset_mac_header(skb);
3421 skb->pkt_type = PACKET_OTHERHOST;
3422 skb->dev = apriv->wifidev;
3423 skb->protocol = htons(ETH_P_802_2);
3425 skb->protocol = eth_type_trans(skb,dev);
3426 skb->dev->last_rx = jiffies;
3427 skb->ip_summed = CHECKSUM_NONE;
3433 /* Check to see if a packet has been transmitted */
3434 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3439 if (test_bit(FLAG_MPI,&apriv->flags)) {
3440 unsigned long flags;
3442 if (status & EV_TXEXC)
3443 get_tx_error(apriv, -1);
3444 spin_lock_irqsave(&apriv->aux_lock, flags);
3445 if (!skb_queue_empty(&apriv->txq)) {
3446 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3447 mpi_send_packet (dev);
3449 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3450 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3451 netif_wake_queue (dev);
3453 OUT4500( apriv, EVACK,
3454 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3458 fid = IN4500(apriv, TXCOMPLFID);
3460 for( i = 0; i < MAX_FIDS; i++ ) {
3461 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3462 len = apriv->fids[i] >> 16;
3467 if (status & EV_TXEXC)
3468 get_tx_error(apriv, index);
3469 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3470 /* Set up to be used again */
3471 apriv->fids[index] &= 0xffff;
3472 if (index < MAX_FIDS / 2) {
3473 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3474 netif_wake_queue(dev);
3476 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3477 netif_wake_queue(apriv->wifidev);
3480 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3481 airo_print_err(apriv->dev->name, "Unallocated FID was "
3486 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3487 airo_print_warn(apriv->dev->name, "Got weird status %x",
3488 status & ~STATUS_INTS & ~IGNORE_INTS );
3491 if (savedInterrupts)
3492 OUT4500( apriv, EVINTEN, savedInterrupts );
3495 return IRQ_RETVAL(handled);
3499 * Routines to talk to the card
3503 * This was originally written for the 4500, hence the name
3504 * NOTE: If use with 8bit mode and SMP bad things will happen!
3505 * Why would some one do 8 bit IO in an SMP machine?!?
3507 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3508 if (test_bit(FLAG_MPI,&ai->flags))
3511 outw( val, ai->dev->base_addr + reg );
3513 outb( val & 0xff, ai->dev->base_addr + reg );
3514 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3518 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3521 if (test_bit(FLAG_MPI,&ai->flags))
3524 rc = inw( ai->dev->base_addr + reg );
3526 rc = inb( ai->dev->base_addr + reg );
3527 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3532 static int enable_MAC(struct airo_info *ai, int lock)
3538 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3539 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3540 * Note : we could try to use !netif_running(dev) in enable_MAC()
3541 * instead of this flag, but I don't trust it *within* the
3542 * open/close functions, and testing both flags together is
3543 * "cheaper" - Jean II */
3544 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3546 if (lock && down_interruptible(&ai->sem))
3547 return -ERESTARTSYS;
3549 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3550 memset(&cmd, 0, sizeof(cmd));
3551 cmd.cmd = MAC_ENABLE;
3552 rc = issuecommand(ai, &cmd, &rsp);
3554 set_bit(FLAG_ENABLED, &ai->flags);
3562 airo_print_err(ai->dev->name, "Cannot enable MAC");
3563 else if ((rsp.status & 0xFF00) != 0) {
3564 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3565 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3571 static void disable_MAC( struct airo_info *ai, int lock ) {
3575 if (lock && down_interruptible(&ai->sem))
3578 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3579 memset(&cmd, 0, sizeof(cmd));
3580 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3581 issuecommand(ai, &cmd, &rsp);
3582 clear_bit(FLAG_ENABLED, &ai->flags);
3588 static void enable_interrupts( struct airo_info *ai ) {
3589 /* Enable the interrupts */
3590 OUT4500( ai, EVINTEN, STATUS_INTS );
3593 static void disable_interrupts( struct airo_info *ai ) {
3594 OUT4500( ai, EVINTEN, 0 );
3597 static void mpi_receive_802_3(struct airo_info *ai)
3601 struct sk_buff *skb;
3606 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3607 /* Make sure we got something */
3608 if (rxd.rdy && rxd.valid == 0) {
3610 if (len < 12 || len > 2048)
3613 skb = dev_alloc_skb(len);
3615 ai->stats.rx_dropped++;
3618 buffer = skb_put(skb,len);
3619 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3620 if (ai->micstats.enabled) {
3622 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3624 if (ntohs(micbuf.typelen) <= 0x05DC) {
3625 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3628 off = sizeof(micbuf);
3629 skb_trim (skb, len - off);
3632 memcpy(buffer + ETH_ALEN * 2,
3633 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3634 len - ETH_ALEN * 2 - off);
3635 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3637 dev_kfree_skb_irq (skb);
3641 if (ai->spy_data.spy_number > 0) {
3643 struct iw_quality wstats;
3644 /* Prepare spy data : addr + qual */
3645 sa = buffer + ETH_ALEN;
3646 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3649 /* Update spy records */
3650 wireless_spy_update(ai->dev, sa, &wstats);
3652 #endif /* WIRELESS_SPY */
3654 skb->ip_summed = CHECKSUM_NONE;
3655 skb->protocol = eth_type_trans(skb, ai->dev);
3656 skb->dev->last_rx = jiffies;
3660 if (rxd.valid == 0) {
3664 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3668 void mpi_receive_802_11 (struct airo_info *ai)
3671 struct sk_buff *skb = NULL;
3672 u16 len, hdrlen = 0;
3685 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3687 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3688 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3690 /* Bad CRC. Ignore packet */
3691 if (le16_to_cpu(hdr.status) & 2)
3693 if (ai->wifidev == NULL)
3695 len = le16_to_cpu(hdr.len);
3696 if (len > AIRO_DEF_MTU) {
3697 airo_print_err(ai->dev->name, "Bad size %d", len);
3703 fc = get_unaligned((__le16 *)ptr);
3704 hdrlen = header_len(fc);
3706 skb = dev_alloc_skb( len + hdrlen + 2 );
3708 ai->stats.rx_dropped++;
3711 buffer = (u16*)skb_put (skb, len + hdrlen);
3712 memcpy ((char *)buffer, ptr, hdrlen);
3716 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3717 ptr += sizeof(__le16);
3722 airo_print_err(ai->dev->name,
3723 "gaplen too big. Problems will follow...");
3725 memcpy ((char *)buffer + hdrlen, ptr, len);
3727 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3728 if (ai->spy_data.spy_number > 0) {
3730 struct iw_quality wstats;
3731 /* Prepare spy data : addr + qual */
3732 sa = (char*)buffer + 10;
3733 wstats.qual = hdr.rssi[0];
3735 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3737 wstats.level = (hdr.rssi[1] + 321) / 2;
3738 wstats.noise = ai->wstats.qual.noise;
3739 wstats.updated = IW_QUAL_QUAL_UPDATED
3740 | IW_QUAL_LEVEL_UPDATED
3742 /* Update spy records */
3743 wireless_spy_update(ai->dev, sa, &wstats);
3745 #endif /* IW_WIRELESS_SPY */
3746 skb_reset_mac_header(skb);
3747 skb->pkt_type = PACKET_OTHERHOST;
3748 skb->dev = ai->wifidev;
3749 skb->protocol = htons(ETH_P_802_2);
3750 skb->dev->last_rx = jiffies;
3751 skb->ip_summed = CHECKSUM_NONE;
3754 if (rxd.valid == 0) {
3758 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3762 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3773 memset( &mySsid, 0, sizeof( mySsid ) );
3777 /* The NOP is the first step in getting the card going */
3779 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3780 if (lock && down_interruptible(&ai->sem))
3782 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3787 disable_MAC( ai, 0);
3789 // Let's figure out if we need to use the AUX port
3790 if (!test_bit(FLAG_MPI,&ai->flags)) {
3791 cmd.cmd = CMD_ENABLEAUX;
3792 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3795 airo_print_err(ai->dev->name, "Error checking for AUX port");
3798 if (!aux_bap || rsp.status & 0xff00) {
3799 ai->bap_read = fast_bap_read;
3800 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3802 ai->bap_read = aux_bap_read;
3803 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3808 if (ai->config.len == 0) {
3809 tdsRssiRid rssi_rid;
3810 CapabilityRid cap_rid;
3816 // general configuration (read/modify/write)
3817 status = readConfigRid(ai, lock);
3818 if ( status != SUCCESS ) return ERROR;
3820 status = readCapabilityRid(ai, &cap_rid, lock);
3821 if ( status != SUCCESS ) return ERROR;
3823 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3824 if ( status == SUCCESS ) {
3825 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3826 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3831 if (cap_rid.softCap & 8)
3832 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3834 airo_print_warn(ai->dev->name, "unknown received signal "
3837 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3838 ai->config.authType = AUTH_OPEN;
3839 ai->config.modulation = MOD_CCK;
3841 if ((cap_rid.len>=sizeof(cap_rid)) &&
3842 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3843 (micsetup(ai) == SUCCESS)) {
3844 ai->config.opmode |= MODE_MIC;
3845 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3848 /* Save off the MAC */
3849 for( i = 0; i < ETH_ALEN; i++ ) {
3850 mac[i] = ai->config.macAddr[i];
3853 /* Check to see if there are any insmod configured
3857 memset(ai->config.rates,0,sizeof(ai->config.rates));
3858 for( i = 0; i < 8 && rates[i]; i++ ) {
3859 ai->config.rates[i] = rates[i];
3862 if ( basic_rate > 0 ) {
3864 for( i = 0; i < 8; i++ ) {
3865 if ( ai->config.rates[i] == basic_rate ||
3866 !ai->config.rates ) {
3867 ai->config.rates[i] = basic_rate | 0x80;
3872 set_bit (FLAG_COMMIT, &ai->flags);
3875 /* Setup the SSIDs if present */
3878 for( i = 0; i < 3 && ssids[i]; i++ ) {
3879 size_t len = strlen(ssids[i]);
3882 mySsid.ssids[i].len = cpu_to_le16(len);
3883 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3885 mySsid.len = cpu_to_le16(sizeof(mySsid));
3888 status = writeConfigRid(ai, lock);
3889 if ( status != SUCCESS ) return ERROR;
3891 /* Set up the SSID list */
3893 status = writeSsidRid(ai, &mySsid, lock);
3894 if ( status != SUCCESS ) return ERROR;
3897 status = enable_MAC(ai, lock);
3898 if (status != SUCCESS)
3901 /* Grab the initial wep key, we gotta save it for auto_wep */
3902 rc = readWepKeyRid(ai, &wkr, 1, lock);
3903 if (rc == SUCCESS) do {
3904 lastindex = wkr.kindex;
3905 if (wkr.kindex == 0xffff) {
3906 ai->defindex = wkr.mac[0];
3908 rc = readWepKeyRid(ai, &wkr, 0, lock);
3909 } while(lastindex != wkr.kindex);
3916 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3917 // Im really paranoid about letting it run forever!
3918 int max_tries = 600000;
3920 if (IN4500(ai, EVSTAT) & EV_CMD)
3921 OUT4500(ai, EVACK, EV_CMD);
3923 OUT4500(ai, PARAM0, pCmd->parm0);
3924 OUT4500(ai, PARAM1, pCmd->parm1);
3925 OUT4500(ai, PARAM2, pCmd->parm2);
3926 OUT4500(ai, COMMAND, pCmd->cmd);
3928 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3929 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3930 // PC4500 didn't notice command, try again
3931 OUT4500(ai, COMMAND, pCmd->cmd);
3932 if (!in_atomic() && (max_tries & 255) == 0)
3936 if ( max_tries == -1 ) {
3937 airo_print_err(ai->dev->name,
3938 "Max tries exceeded when issueing command");
3939 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3940 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3944 // command completed
3945 pRsp->status = IN4500(ai, STATUS);
3946 pRsp->rsp0 = IN4500(ai, RESP0);
3947 pRsp->rsp1 = IN4500(ai, RESP1);
3948 pRsp->rsp2 = IN4500(ai, RESP2);
3949 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3950 airo_print_err(ai->dev->name,
3951 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3952 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3955 // clear stuck command busy if necessary
3956 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3957 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3959 // acknowledge processing the status/response
3960 OUT4500(ai, EVACK, EV_CMD);
3965 /* Sets up the bap to start exchange data. whichbap should
3966 * be one of the BAP0 or BAP1 defines. Locks should be held before
3968 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3973 OUT4500(ai, SELECT0+whichbap, rid);
3974 OUT4500(ai, OFFSET0+whichbap, offset);
3976 int status = IN4500(ai, OFFSET0+whichbap);
3977 if (status & BAP_BUSY) {
3978 /* This isn't really a timeout, but its kinda
3983 } else if ( status & BAP_ERR ) {
3984 /* invalid rid or offset */
3985 airo_print_err(ai->dev->name, "BAP error %x %d",
3988 } else if (status & BAP_DONE) { // success
3991 if ( !(max_tries--) ) {
3992 airo_print_err(ai->dev->name,
3993 "BAP setup error too many retries\n");
3996 // -- PC4500 missed it, try again
3997 OUT4500(ai, SELECT0+whichbap, rid);
3998 OUT4500(ai, OFFSET0+whichbap, offset);
4003 /* should only be called by aux_bap_read. This aux function and the
4004 following use concepts not documented in the developers guide. I
4005 got them from a patch given to my by Aironet */
4006 static u16 aux_setup(struct airo_info *ai, u16 page,
4007 u16 offset, u16 *len)
4011 OUT4500(ai, AUXPAGE, page);
4012 OUT4500(ai, AUXOFF, 0);
4013 next = IN4500(ai, AUXDATA);
4014 *len = IN4500(ai, AUXDATA)&0xff;
4015 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4019 /* requires call to bap_setup() first */
4020 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4021 int bytelen, int whichbap)
4029 unsigned long flags;
4031 spin_lock_irqsave(&ai->aux_lock, flags);
4032 page = IN4500(ai, SWS0+whichbap);
4033 offset = IN4500(ai, SWS2+whichbap);
4034 next = aux_setup(ai, page, offset, &len);
4035 words = (bytelen+1)>>1;
4037 for (i=0; i<words;) {
4039 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4041 insw( ai->dev->base_addr+DATA0+whichbap,
4044 insb( ai->dev->base_addr+DATA0+whichbap,
4045 pu16Dst+i, count << 1 );
4048 next = aux_setup(ai, next, 4, &len);
4051 spin_unlock_irqrestore(&ai->aux_lock, flags);
4056 /* requires call to bap_setup() first */
4057 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4058 int bytelen, int whichbap)
4060 bytelen = (bytelen + 1) & (~1); // round up to even value
4062 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4064 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4068 /* requires call to bap_setup() first */
4069 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4070 int bytelen, int whichbap)
4072 bytelen = (bytelen + 1) & (~1); // round up to even value
4074 outsw( ai->dev->base_addr+DATA0+whichbap,
4075 pu16Src, bytelen>>1 );
4077 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4081 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4083 Cmd cmd; /* for issuing commands */
4084 Resp rsp; /* response from commands */
4087 memset(&cmd, 0, sizeof(cmd));
4090 status = issuecommand(ai, &cmd, &rsp);
4091 if (status != 0) return status;
4092 if ( (rsp.status & 0x7F00) != 0) {
4093 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4098 /* Note, that we are using BAP1 which is also used by transmit, so
4099 * we must get a lock. */
4100 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4106 if (down_interruptible(&ai->sem))
4109 if (test_bit(FLAG_MPI,&ai->flags)) {
4113 memset(&cmd, 0, sizeof(cmd));
4114 memset(&rsp, 0, sizeof(rsp));
4115 ai->config_desc.rid_desc.valid = 1;
4116 ai->config_desc.rid_desc.len = RIDSIZE;
4117 ai->config_desc.rid_desc.rid = 0;
4118 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4120 cmd.cmd = CMD_ACCESS;
4123 memcpy_toio(ai->config_desc.card_ram_off,
4124 &ai->config_desc.rid_desc, sizeof(Rid));
4126 rc = issuecommand(ai, &cmd, &rsp);
4128 if (rsp.status & 0x7f00)
4131 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4134 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4138 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4142 // read the rid length field
4143 bap_read(ai, pBuf, 2, BAP1);
4144 // length for remaining part of rid
4145 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4148 airo_print_err(ai->dev->name,
4149 "Rid %x has a length of %d which is too short",
4150 (int)rid, (int)len );
4154 // read remainder of the rid
4155 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4163 /* Note, that we are using BAP1 which is also used by transmit, so
4164 * make sure this isnt called when a transmit is happening */
4165 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4166 const void *pBuf, int len, int lock)
4171 *(__le16*)pBuf = cpu_to_le16((u16)len);
4174 if (down_interruptible(&ai->sem))
4177 if (test_bit(FLAG_MPI,&ai->flags)) {
4181 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4182 airo_print_err(ai->dev->name,
4183 "%s: MAC should be disabled (rid=%04x)",
4185 memset(&cmd, 0, sizeof(cmd));
4186 memset(&rsp, 0, sizeof(rsp));
4188 ai->config_desc.rid_desc.valid = 1;
4189 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4190 ai->config_desc.rid_desc.rid = 0;
4192 cmd.cmd = CMD_WRITERID;
4195 memcpy_toio(ai->config_desc.card_ram_off,
4196 &ai->config_desc.rid_desc, sizeof(Rid));
4198 if (len < 4 || len > 2047) {
4199 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4202 memcpy((char *)ai->config_desc.virtual_host_addr,
4205 rc = issuecommand(ai, &cmd, &rsp);
4206 if ((rc & 0xff00) != 0) {
4207 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4209 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4210 __FUNCTION__, cmd.cmd);
4213 if ((rsp.status & 0x7f00))
4217 // --- first access so that we can write the rid data
4218 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4222 // --- now write the rid data
4223 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4227 bap_write(ai, pBuf, len, BAP1);
4228 // ---now commit the rid data
4229 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4237 /* Allocates a FID to be used for transmitting packets. We only use
4239 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4241 unsigned int loop = 3000;
4247 cmd.cmd = CMD_ALLOCATETX;
4248 cmd.parm0 = lenPayload;
4249 if (down_interruptible(&ai->sem))
4251 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4255 if ( (rsp.status & 0xFF00) != 0) {
4259 /* wait for the allocate event/indication
4260 * It makes me kind of nervous that this can just sit here and spin,
4261 * but in practice it only loops like four times. */
4262 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4268 // get the allocated fid and acknowledge
4269 txFid = IN4500(ai, TXALLOCFID);
4270 OUT4500(ai, EVACK, EV_ALLOC);
4272 /* The CARD is pretty cool since it converts the ethernet packet
4273 * into 802.11. Also note that we don't release the FID since we
4274 * will be using the same one over and over again. */
4275 /* We only have to setup the control once since we are not
4276 * releasing the fid. */
4278 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4279 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4281 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4282 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4283 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4286 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4294 /* In general BAP1 is dedicated to transmiting packets. However,
4295 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4296 Make sure the BAP1 spinlock is held when this is called. */
4297 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4308 if (len <= ETH_ALEN * 2) {
4309 airo_print_warn(ai->dev->name, "Short packet %d", len);
4312 len -= ETH_ALEN * 2;
4314 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4315 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4316 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4318 miclen = sizeof(pMic);
4320 // packet is destination[6], source[6], payload[len-12]
4321 // write the payload length and dst/src/payload
4322 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4323 /* The hardware addresses aren't counted as part of the payload, so
4324 * we have to subtract the 12 bytes for the addresses off */
4325 payloadLen = cpu_to_le16(len + miclen);
4326 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4327 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4329 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4330 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4331 // issue the transmit command
4332 memset( &cmd, 0, sizeof( cmd ) );
4333 cmd.cmd = CMD_TRANSMIT;
4335 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4336 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4340 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4342 __le16 fc, payloadLen;
4346 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4347 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4351 fc = *(__le16*)pPacket;
4352 hdrlen = header_len(fc);
4355 airo_print_warn(ai->dev->name, "Short packet %d", len);
4359 /* packet is 802.11 header + payload
4360 * write the payload length and dst/src/payload */
4361 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4362 /* The 802.11 header aren't counted as part of the payload, so
4363 * we have to subtract the header bytes off */
4364 payloadLen = cpu_to_le16(len-hdrlen);
4365 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4366 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4367 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4368 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4370 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4371 // issue the transmit command
4372 memset( &cmd, 0, sizeof( cmd ) );
4373 cmd.cmd = CMD_TRANSMIT;
4375 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4376 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4381 * This is the proc_fs routines. It is a bit messier than I would
4382 * like! Feel free to clean it up!
4385 static ssize_t proc_read( struct file *file,
4386 char __user *buffer,
4390 static ssize_t proc_write( struct file *file,
4391 const char __user *buffer,
4394 static int proc_close( struct inode *inode, struct file *file );
4396 static int proc_stats_open( struct inode *inode, struct file *file );
4397 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4398 static int proc_status_open( struct inode *inode, struct file *file );
4399 static int proc_SSID_open( struct inode *inode, struct file *file );
4400 static int proc_APList_open( struct inode *inode, struct file *file );
4401 static int proc_BSSList_open( struct inode *inode, struct file *file );
4402 static int proc_config_open( struct inode *inode, struct file *file );
4403 static int proc_wepkey_open( struct inode *inode, struct file *file );
4405 static const struct file_operations proc_statsdelta_ops = {
4407 .open = proc_statsdelta_open,
4408 .release = proc_close
4411 static const struct file_operations proc_stats_ops = {
4413 .open = proc_stats_open,
4414 .release = proc_close
4417 static const struct file_operations proc_status_ops = {
4419 .open = proc_status_open,
4420 .release = proc_close
4423 static const struct file_operations proc_SSID_ops = {
4425 .write = proc_write,
4426 .open = proc_SSID_open,
4427 .release = proc_close
4430 static const struct file_operations proc_BSSList_ops = {
4432 .write = proc_write,
4433 .open = proc_BSSList_open,
4434 .release = proc_close
4437 static const struct file_operations proc_APList_ops = {
4439 .write = proc_write,
4440 .open = proc_APList_open,
4441 .release = proc_close
4444 static const struct file_operations proc_config_ops = {
4446 .write = proc_write,
4447 .open = proc_config_open,
4448 .release = proc_close
4451 static const struct file_operations proc_wepkey_ops = {
4453 .write = proc_write,
4454 .open = proc_wepkey_open,
4455 .release = proc_close
4458 static struct proc_dir_entry *airo_entry;
4467 void (*on_close) (struct inode *, struct file *);
4471 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4474 static int setup_proc_entry( struct net_device *dev,
4475 struct airo_info *apriv ) {
4476 struct proc_dir_entry *entry;
4477 /* First setup the device directory */
4478 strcpy(apriv->proc_name,dev->name);
4479 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4482 if (!apriv->proc_entry)
4484 apriv->proc_entry->uid = proc_uid;
4485 apriv->proc_entry->gid = proc_gid;
4486 apriv->proc_entry->owner = THIS_MODULE;
4488 /* Setup the StatsDelta */
4489 entry = create_proc_entry("StatsDelta",
4490 S_IFREG | (S_IRUGO&proc_perm),
4493 goto fail_stats_delta;
4494 entry->uid = proc_uid;
4495 entry->gid = proc_gid;
4497 entry->owner = THIS_MODULE;
4498 SETPROC_OPS(entry, proc_statsdelta_ops);
4500 /* Setup the Stats */
4501 entry = create_proc_entry("Stats",
4502 S_IFREG | (S_IRUGO&proc_perm),
4506 entry->uid = proc_uid;
4507 entry->gid = proc_gid;
4509 entry->owner = THIS_MODULE;
4510 SETPROC_OPS(entry, proc_stats_ops);
4512 /* Setup the Status */
4513 entry = create_proc_entry("Status",
4514 S_IFREG | (S_IRUGO&proc_perm),
4518 entry->uid = proc_uid;
4519 entry->gid = proc_gid;
4521 entry->owner = THIS_MODULE;
4522 SETPROC_OPS(entry, proc_status_ops);
4524 /* Setup the Config */
4525 entry = create_proc_entry("Config",
4526 S_IFREG | proc_perm,
4530 entry->uid = proc_uid;
4531 entry->gid = proc_gid;
4533 entry->owner = THIS_MODULE;
4534 SETPROC_OPS(entry, proc_config_ops);
4536 /* Setup the SSID */
4537 entry = create_proc_entry("SSID",
4538 S_IFREG | proc_perm,
4542 entry->uid = proc_uid;
4543 entry->gid = proc_gid;
4545 entry->owner = THIS_MODULE;
4546 SETPROC_OPS(entry, proc_SSID_ops);
4548 /* Setup the APList */
4549 entry = create_proc_entry("APList",
4550 S_IFREG | proc_perm,
4554 entry->uid = proc_uid;
4555 entry->gid = proc_gid;
4557 entry->owner = THIS_MODULE;
4558 SETPROC_OPS(entry, proc_APList_ops);
4560 /* Setup the BSSList */
4561 entry = create_proc_entry("BSSList",
4562 S_IFREG | proc_perm,
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
4569 entry->owner = THIS_MODULE;
4570 SETPROC_OPS(entry, proc_BSSList_ops);
4572 /* Setup the WepKey */
4573 entry = create_proc_entry("WepKey",
4574 S_IFREG | proc_perm,
4578 entry->uid = proc_uid;
4579 entry->gid = proc_gid;
4581 entry->owner = THIS_MODULE;
4582 SETPROC_OPS(entry, proc_wepkey_ops);
4587 remove_proc_entry("BSSList", apriv->proc_entry);
4589 remove_proc_entry("APList", apriv->proc_entry);
4591 remove_proc_entry("SSID", apriv->proc_entry);
4593 remove_proc_entry("Config", apriv->proc_entry);
4595 remove_proc_entry("Status", apriv->proc_entry);
4597 remove_proc_entry("Stats", apriv->proc_entry);
4599 remove_proc_entry("StatsDelta", apriv->proc_entry);
4601 remove_proc_entry(apriv->proc_name, airo_entry);
4606 static int takedown_proc_entry( struct net_device *dev,
4607 struct airo_info *apriv ) {
4608 if ( !apriv->proc_entry->namelen ) return 0;
4609 remove_proc_entry("Stats",apriv->proc_entry);
4610 remove_proc_entry("StatsDelta",apriv->proc_entry);
4611 remove_proc_entry("Status",apriv->proc_entry);
4612 remove_proc_entry("Config",apriv->proc_entry);
4613 remove_proc_entry("SSID",apriv->proc_entry);
4614 remove_proc_entry("APList",apriv->proc_entry);
4615 remove_proc_entry("BSSList",apriv->proc_entry);
4616 remove_proc_entry("WepKey",apriv->proc_entry);
4617 remove_proc_entry(apriv->proc_name,airo_entry);
4622 * What we want from the proc_fs is to be able to efficiently read
4623 * and write the configuration. To do this, we want to read the
4624 * configuration when the file is opened and write it when the file is
4625 * closed. So basically we allocate a read buffer at open and fill it
4626 * with data, and allocate a write buffer and read it at close.
4630 * The read routine is generic, it relies on the preallocated rbuffer
4631 * to supply the data.
4633 static ssize_t proc_read( struct file *file,
4634 char __user *buffer,
4638 loff_t pos = *offset;
4639 struct proc_data *priv = (struct proc_data*)file->private_data;
4646 if (pos >= priv->readlen)
4648 if (len > priv->readlen - pos)
4649 len = priv->readlen - pos;
4650 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4652 *offset = pos + len;
4657 * The write routine is generic, it fills in a preallocated rbuffer
4658 * to supply the data.
4660 static ssize_t proc_write( struct file *file,
4661 const char __user *buffer,
4665 loff_t pos = *offset;
4666 struct proc_data *priv = (struct proc_data*)file->private_data;
4673 if (pos >= priv->maxwritelen)
4675 if (len > priv->maxwritelen - pos)
4676 len = priv->maxwritelen - pos;
4677 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4679 if ( pos + len > priv->writelen )
4680 priv->writelen = len + file->f_pos;
4681 *offset = pos + len;
4685 static int proc_status_open( struct inode *inode, struct file *file ) {
4686 struct proc_data *data;
4687 struct proc_dir_entry *dp = PDE(inode);
4688 struct net_device *dev = dp->data;
4689 struct airo_info *apriv = dev->priv;
4690 CapabilityRid cap_rid;
4691 StatusRid status_rid;
4694 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4696 data = (struct proc_data *)file->private_data;
4697 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4698 kfree (file->private_data);
4702 readStatusRid(apriv, &status_rid, 1);
4703 readCapabilityRid(apriv, &cap_rid, 1);
4705 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4706 status_rid.mode & 1 ? "CFG ": "",
4707 status_rid.mode & 2 ? "ACT ": "",
4708 status_rid.mode & 0x10 ? "SYN ": "",
4709 status_rid.mode & 0x20 ? "LNK ": "",
4710 status_rid.mode & 0x40 ? "LEAP ": "",
4711 status_rid.mode & 0x80 ? "PRIV ": "",
4712 status_rid.mode & 0x100 ? "KEY ": "",
4713 status_rid.mode & 0x200 ? "WEP ": "",
4714 status_rid.mode & 0x8000 ? "ERR ": "");
4715 sprintf( data->rbuffer+i, "Mode: %x\n"
4716 "Signal Strength: %d\n"
4717 "Signal Quality: %d\n"
4722 "Driver Version: %s\n"
4723 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4724 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4725 "Software Version: %x\nSoftware Subversion: %x\n"
4726 "Boot block version: %x\n",
4727 (int)status_rid.mode,
4728 (int)status_rid.normalizedSignalStrength,
4729 (int)status_rid.signalQuality,
4730 (int)status_rid.SSIDlen,
4733 (int)status_rid.channel,
4734 (int)status_rid.currentXmitRate/2,
4742 (int)cap_rid.softVer,
4743 (int)cap_rid.softSubVer,
4744 (int)cap_rid.bootBlockVer );
4745 data->readlen = strlen( data->rbuffer );
4749 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4750 static int proc_statsdelta_open( struct inode *inode,
4751 struct file *file ) {
4752 if (file->f_mode&FMODE_WRITE) {
4753 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4755 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4758 static int proc_stats_open( struct inode *inode, struct file *file ) {
4759 return proc_stats_rid_open(inode, file, RID_STATS);
4762 static int proc_stats_rid_open( struct inode *inode,
4765 struct proc_data *data;
4766 struct proc_dir_entry *dp = PDE(inode);
4767 struct net_device *dev = dp->data;
4768 struct airo_info *apriv = dev->priv;
4771 u32 *vals = stats.vals;
4773 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4775 data = (struct proc_data *)file->private_data;
4776 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4777 kfree (file->private_data);
4781 readStatsRid(apriv, &stats, rid, 1);
4784 for(i=0; statsLabels[i]!=(char *)-1 &&
4785 i*4<stats.len; i++){
4786 if (!statsLabels[i]) continue;
4787 if (j+strlen(statsLabels[i])+16>4096) {
4788 airo_print_warn(apriv->dev->name,
4789 "Potentially disasterous buffer overflow averted!");
4792 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4794 if (i*4>=stats.len){
4795 airo_print_warn(apriv->dev->name, "Got a short rid");
4801 static int get_dec_u16( char *buffer, int *start, int limit ) {
4804 for( value = 0; buffer[*start] >= '0' &&
4805 buffer[*start] <= '9' &&
4806 *start < limit; (*start)++ ) {
4809 value += buffer[*start] - '0';
4811 if ( !valid ) return -1;
4815 static int airo_config_commit(struct net_device *dev,
4816 struct iw_request_info *info, void *zwrq,
4819 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4820 struct proc_data *data = file->private_data;
4821 struct proc_dir_entry *dp = PDE(inode);
4822 struct net_device *dev = dp->data;
4823 struct airo_info *ai = dev->priv;
4826 if ( !data->writelen ) return;
4828 readConfigRid(ai, 1);
4829 set_bit (FLAG_COMMIT, &ai->flags);
4831 line = data->wbuffer;
4833 /*** Mode processing */
4834 if ( !strncmp( line, "Mode: ", 6 ) ) {
4836 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4837 set_bit (FLAG_RESET, &ai->flags);
4838 ai->config.rmode &= 0xfe00;
4839 clear_bit (FLAG_802_11, &ai->flags);
4840 ai->config.opmode &= 0xFF00;
4841 ai->config.scanMode = SCANMODE_ACTIVE;
4842 if ( line[0] == 'a' ) {
4843 ai->config.opmode |= 0;
4845 ai->config.opmode |= 1;
4846 if ( line[0] == 'r' ) {
4847 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4848 ai->config.scanMode = SCANMODE_PASSIVE;
4849 set_bit (FLAG_802_11, &ai->flags);
4850 } else if ( line[0] == 'y' ) {
4851 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4852 ai->config.scanMode = SCANMODE_PASSIVE;
4853 set_bit (FLAG_802_11, &ai->flags);
4854 } else if ( line[0] == 'l' )
4855 ai->config.rmode |= RXMODE_LANMON;
4857 set_bit (FLAG_COMMIT, &ai->flags);
4860 /*** Radio status */
4861 else if (!strncmp(line,"Radio: ", 7)) {
4863 if (!strncmp(line,"off",3)) {
4864 set_bit (FLAG_RADIO_OFF, &ai->flags);
4866 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4869 /*** NodeName processing */
4870 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4874 memset( ai->config.nodeName, 0, 16 );
4875 /* Do the name, assume a space between the mode and node name */
4876 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4877 ai->config.nodeName[j] = line[j];
4879 set_bit (FLAG_COMMIT, &ai->flags);
4882 /*** PowerMode processing */
4883 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4885 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4886 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4887 set_bit (FLAG_COMMIT, &ai->flags);
4888 } else if ( !strncmp( line, "PSP", 3 ) ) {
4889 ai->config.powerSaveMode = POWERSAVE_PSP;
4890 set_bit (FLAG_COMMIT, &ai->flags);
4892 ai->config.powerSaveMode = POWERSAVE_CAM;
4893 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4896 int v, i = 0, k = 0; /* i is index into line,
4897 k is index to rates */
4900 while((v = get_dec_u16(line, &i, 3))!=-1) {
4901 ai->config.rates[k++] = (u8)v;
4905 set_bit (FLAG_COMMIT, &ai->flags);
4906 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4909 v = get_dec_u16(line, &i, i+3);
4911 ai->config.channelSet = (u16)v;
4912 set_bit (FLAG_COMMIT, &ai->flags);
4914 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4917 v = get_dec_u16(line, &i, i+3);
4919 ai->config.txPower = (u16)v;
4920 set_bit (FLAG_COMMIT, &ai->flags);
4922 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4926 ai->config.authType = (u16)AUTH_SHAREDKEY;
4929 ai->config.authType = (u16)AUTH_ENCRYPT;
4932 ai->config.authType = (u16)AUTH_OPEN;
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4940 v = get_dec_u16(line, &i, 3);
4941 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4942 ai->config.longRetryLimit = (u16)v;
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4948 v = get_dec_u16(line, &i, 3);
4949 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4950 ai->config.shortRetryLimit = (u16)v;
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4956 v = get_dec_u16(line, &i, 4);
4957 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4958 ai->config.rtsThres = (u16)v;
4959 set_bit (FLAG_COMMIT, &ai->flags);
4960 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4964 v = get_dec_u16(line, &i, 5);
4966 ai->config.txLifetime = (u16)v;
4967 set_bit (FLAG_COMMIT, &ai->flags);
4968 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4972 v = get_dec_u16(line, &i, 5);
4974 ai->config.rxLifetime = (u16)v;
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4977 ai->config.txDiversity =
4978 (line[13]=='l') ? 1 :
4979 ((line[13]=='r')? 2: 3);
4980 set_bit (FLAG_COMMIT, &ai->flags);
4981 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4982 ai->config.rxDiversity =
4983 (line[13]=='l') ? 1 :
4984 ((line[13]=='r')? 2: 3);
4985 set_bit (FLAG_COMMIT, &ai->flags);
4986 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4990 v = get_dec_u16(line, &i, 4);
4991 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4992 v = v & 0xfffe; /* Make sure its even */
4993 ai->config.fragThresh = (u16)v;
4994 set_bit (FLAG_COMMIT, &ai->flags);
4995 } else if (!strncmp(line, "Modulation: ", 12)) {
4998 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5000 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5001 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5003 } else if (!strncmp(line, "Preamble: ", 10)) {
5006 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5007 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5008 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5009 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5012 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5014 while( line[0] && line[0] != '\n' ) line++;
5015 if ( line[0] ) line++;
5017 airo_config_commit(dev, NULL, NULL, NULL);
5020 static char *get_rmode(u16 mode) {
5022 case RXMODE_RFMON: return "rfmon";
5023 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5024 case RXMODE_LANMON: return "lanmon";
5029 static int proc_config_open( struct inode *inode, struct file *file ) {
5030 struct proc_data *data;
5031 struct proc_dir_entry *dp = PDE(inode);
5032 struct net_device *dev = dp->data;
5033 struct airo_info *ai = dev->priv;
5036 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5038 data = (struct proc_data *)file->private_data;
5039 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5040 kfree (file->private_data);
5043 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5044 kfree (data->rbuffer);
5045 kfree (file->private_data);
5048 data->maxwritelen = 2048;
5049 data->on_close = proc_config_on_close;
5051 readConfigRid(ai, 1);
5053 i = sprintf( data->rbuffer,
5058 "DataRates: %d %d %d %d %d %d %d %d\n"
5061 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5062 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5063 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5064 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5065 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5066 ai->config.nodeName,
5067 ai->config.powerSaveMode == 0 ? "CAM" :
5068 ai->config.powerSaveMode == 1 ? "PSP" :
5069 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5070 (int)ai->config.rates[0],
5071 (int)ai->config.rates[1],
5072 (int)ai->config.rates[2],
5073 (int)ai->config.rates[3],
5074 (int)ai->config.rates[4],
5075 (int)ai->config.rates[5],
5076 (int)ai->config.rates[6],
5077 (int)ai->config.rates[7],
5078 (int)ai->config.channelSet,
5079 (int)ai->config.txPower
5081 sprintf( data->rbuffer + i,
5082 "LongRetryLimit: %d\n"
5083 "ShortRetryLimit: %d\n"
5084 "RTSThreshold: %d\n"
5085 "TXMSDULifetime: %d\n"
5086 "RXMSDULifetime: %d\n"
5089 "FragThreshold: %d\n"
5093 (int)ai->config.longRetryLimit,
5094 (int)ai->config.shortRetryLimit,
5095 (int)ai->config.rtsThres,
5096 (int)ai->config.txLifetime,
5097 (int)ai->config.rxLifetime,
5098 ai->config.txDiversity == 1 ? "left" :
5099 ai->config.txDiversity == 2 ? "right" : "both",
5100 ai->config.rxDiversity == 1 ? "left" :
5101 ai->config.rxDiversity == 2 ? "right" : "both",
5102 (int)ai->config.fragThresh,
5103 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5104 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5105 ai->config.modulation == 0 ? "default" :
5106 ai->config.modulation == MOD_CCK ? "cck" :
5107 ai->config.modulation == MOD_MOK ? "mok" : "error",
5108 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5109 ai->config.preamble == PREAMBLE_LONG ? "long" :
5110 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5112 data->readlen = strlen( data->rbuffer );
5116 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5118 struct proc_data *data = (struct proc_data *)file->private_data;
5119 struct proc_dir_entry *dp = PDE(inode);
5120 struct net_device *dev = dp->data;
5121 struct airo_info *ai = dev->priv;
5124 char *p = data->wbuffer;
5125 char *end = p + data->writelen;
5127 if (!data->writelen)
5130 *end = '\n'; /* sentinel; we have space for it */
5132 memset(&SSID_rid, 0, sizeof(SSID_rid));
5134 for (i = 0; i < 3 && p < end; i++) {
5136 /* copy up to 32 characters from this line */
5137 while (*p != '\n' && j < 32)
5138 SSID_rid.ssids[i].ssid[j++] = *p++;
5141 SSID_rid.ssids[i].len = cpu_to_le16(j);
5142 /* skip to the beginning of the next line */
5143 while (*p++ != '\n')
5147 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5149 writeSsidRid(ai, &SSID_rid, 1);
5153 static inline u8 hexVal(char c) {
5154 if (c>='0' && c<='9') return c -= '0';
5155 if (c>='a' && c<='f') return c -= 'a'-10;
5156 if (c>='A' && c<='F') return c -= 'A'-10;
5160 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5161 struct proc_data *data = (struct proc_data *)file->private_data;
5162 struct proc_dir_entry *dp = PDE(inode);
5163 struct net_device *dev = dp->data;
5164 struct airo_info *ai = dev->priv;
5165 APListRid APList_rid;
5168 if ( !data->writelen ) return;
5170 memset( &APList_rid, 0, sizeof(APList_rid) );
5171 APList_rid.len = sizeof(APList_rid);
5173 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5175 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5178 APList_rid.ap[i][j/3]=
5179 hexVal(data->wbuffer[j+i*6*3])<<4;
5182 APList_rid.ap[i][j/3]|=
5183 hexVal(data->wbuffer[j+i*6*3]);
5189 writeAPListRid(ai, &APList_rid, 1);
5193 /* This function wraps PC4500_writerid with a MAC disable */
5194 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5195 int len, int dummy ) {
5199 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5204 /* Returns the length of the key at the index. If index == 0xffff
5205 * the index of the transmit key is returned. If the key doesn't exist,
5206 * -1 will be returned.
5208 static int get_wep_key(struct airo_info *ai, u16 index) {
5213 rc = readWepKeyRid(ai, &wkr, 1, 1);
5214 if (rc == SUCCESS) do {
5215 lastindex = wkr.kindex;
5216 if (wkr.kindex == index) {
5217 if (index == 0xffff) {
5222 readWepKeyRid(ai, &wkr, 0, 1);
5223 } while(lastindex != wkr.kindex);
5227 static int set_wep_key(struct airo_info *ai, u16 index,
5228 const char *key, u16 keylen, int perm, int lock ) {
5229 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5232 memset(&wkr, 0, sizeof(wkr));
5234 // We are selecting which key to use
5235 wkr.len = sizeof(wkr);
5236 wkr.kindex = 0xffff;
5237 wkr.mac[0] = (char)index;
5238 if (perm) ai->defindex = (char)index;
5240 // We are actually setting the key
5241 wkr.len = sizeof(wkr);
5244 memcpy( wkr.key, key, keylen );
5245 memcpy( wkr.mac, macaddr, ETH_ALEN );
5248 if (perm) disable_MAC(ai, lock);
5249 writeWepKeyRid(ai, &wkr, perm, lock);
5250 if (perm) enable_MAC(ai, lock);
5254 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5255 struct proc_data *data;
5256 struct proc_dir_entry *dp = PDE(inode);
5257 struct net_device *dev = dp->data;
5258 struct airo_info *ai = dev->priv;
5264 memset(key, 0, sizeof(key));
5266 data = (struct proc_data *)file->private_data;
5267 if ( !data->writelen ) return;
5269 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5270 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5271 index = data->wbuffer[0] - '0';
5272 if (data->wbuffer[1] == '\n') {
5273 set_wep_key(ai, index, NULL, 0, 1, 1);
5278 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5282 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5285 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5288 key[i/3] |= hexVal(data->wbuffer[i+j]);
5292 set_wep_key(ai, index, key, i/3, 1, 1);
5295 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5296 struct proc_data *data;
5297 struct proc_dir_entry *dp = PDE(inode);
5298 struct net_device *dev = dp->data;
5299 struct airo_info *ai = dev->priv;
5306 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5308 memset(&wkr, 0, sizeof(wkr));
5309 data = (struct proc_data *)file->private_data;
5310 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5311 kfree (file->private_data);
5315 data->maxwritelen = 80;
5316 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5317 kfree (data->rbuffer);
5318 kfree (file->private_data);
5321 data->on_close = proc_wepkey_on_close;
5323 ptr = data->rbuffer;
5324 strcpy(ptr, "No wep keys\n");
5325 rc = readWepKeyRid(ai, &wkr, 1, 1);
5326 if (rc == SUCCESS) do {
5327 lastindex = wkr.kindex;
5328 if (wkr.kindex == 0xffff) {
5329 j += sprintf(ptr+j, "Tx key = %d\n",
5332 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5333 (int)wkr.kindex, (int)wkr.klen);
5335 readWepKeyRid(ai, &wkr, 0, 1);
5336 } while((lastindex != wkr.kindex) && (j < 180-30));
5338 data->readlen = strlen( data->rbuffer );
5342 static int proc_SSID_open(struct inode *inode, struct file *file)
5344 struct proc_data *data;
5345 struct proc_dir_entry *dp = PDE(inode);
5346 struct net_device *dev = dp->data;
5347 struct airo_info *ai = dev->priv;
5352 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5354 data = (struct proc_data *)file->private_data;
5355 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5356 kfree (file->private_data);
5360 data->maxwritelen = 33*3;
5361 /* allocate maxwritelen + 1; we'll want a sentinel */
5362 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5363 kfree (data->rbuffer);
5364 kfree (file->private_data);
5367 data->on_close = proc_SSID_on_close;
5369 readSsidRid(ai, &SSID_rid);
5370 ptr = data->rbuffer;
5371 for (i = 0; i < 3; i++) {
5373 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5378 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5379 *ptr++ = SSID_rid.ssids[i].ssid[j];
5383 data->readlen = strlen( data->rbuffer );
5387 static int proc_APList_open( struct inode *inode, struct file *file ) {
5388 struct proc_data *data;
5389 struct proc_dir_entry *dp = PDE(inode);
5390 struct net_device *dev = dp->data;
5391 struct airo_info *ai = dev->priv;
5394 APListRid APList_rid;
5395 DECLARE_MAC_BUF(mac);
5397 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5399 data = (struct proc_data *)file->private_data;
5400 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5401 kfree (file->private_data);
5405 data->maxwritelen = 4*6*3;
5406 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5407 kfree (data->rbuffer);
5408 kfree (file->private_data);
5411 data->on_close = proc_APList_on_close;
5413 readAPListRid(ai, &APList_rid);
5414 ptr = data->rbuffer;
5415 for( i = 0; i < 4; i++ ) {
5416 // We end when we find a zero MAC
5417 if ( !*(int*)APList_rid.ap[i] &&
5418 !*(int*)&APList_rid.ap[i][2]) break;
5419 ptr += sprintf(ptr, "%s\n",
5420 print_mac(mac, APList_rid.ap[i]));
5422 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5425 data->readlen = strlen( data->rbuffer );
5429 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5430 struct proc_data *data;
5431 struct proc_dir_entry *dp = PDE(inode);
5432 struct net_device *dev = dp->data;
5433 struct airo_info *ai = dev->priv;
5435 BSSListRid BSSList_rid;
5437 /* If doLoseSync is not 1, we won't do a Lose Sync */
5438 int doLoseSync = -1;
5439 DECLARE_MAC_BUF(mac);
5441 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5443 data = (struct proc_data *)file->private_data;
5444 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5445 kfree (file->private_data);
5449 data->maxwritelen = 0;
5450 data->wbuffer = NULL;
5451 data->on_close = NULL;
5453 if (file->f_mode & FMODE_WRITE) {
5454 if (!(file->f_mode & FMODE_READ)) {
5458 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5459 memset(&cmd, 0, sizeof(cmd));
5460 cmd.cmd=CMD_LISTBSS;
5461 if (down_interruptible(&ai->sem))
5462 return -ERESTARTSYS;
5463 issuecommand(ai, &cmd, &rsp);
5470 ptr = data->rbuffer;
5471 /* There is a race condition here if there are concurrent opens.
5472 Since it is a rare condition, we'll just live with it, otherwise
5473 we have to add a spin lock... */
5474 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5475 while(rc == 0 && BSSList_rid.index != 0xffff) {
5476 ptr += sprintf(ptr, "%s %*s rssi = %d",
5477 print_mac(mac, BSSList_rid.bssid),
5478 (int)BSSList_rid.ssidLen,
5480 (int)BSSList_rid.dBm);
5481 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5482 (int)BSSList_rid.dsChannel,
5483 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5484 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5485 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5486 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5487 rc = readBSSListRid(ai, 0, &BSSList_rid);
5490 data->readlen = strlen( data->rbuffer );
5494 static int proc_close( struct inode *inode, struct file *file )
5496 struct proc_data *data = file->private_data;
5498 if (data->on_close != NULL)
5499 data->on_close(inode, file);
5500 kfree(data->rbuffer);
5501 kfree(data->wbuffer);
5506 /* Since the card doesn't automatically switch to the right WEP mode,
5507 we will make it do it. If the card isn't associated, every secs we
5508 will switch WEP modes to see if that will help. If the card is
5509 associated we will check every minute to see if anything has
5511 static void timer_func( struct net_device *dev ) {
5512 struct airo_info *apriv = dev->priv;
5514 /* We don't have a link so try changing the authtype */
5515 readConfigRid(apriv, 0);
5516 disable_MAC(apriv, 0);
5517 switch(apriv->config.authType) {
5519 /* So drop to OPEN */
5520 apriv->config.authType = AUTH_OPEN;
5522 case AUTH_SHAREDKEY:
5523 if (apriv->keyindex < auto_wep) {
5524 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5525 apriv->config.authType = AUTH_SHAREDKEY;
5528 /* Drop to ENCRYPT */
5529 apriv->keyindex = 0;
5530 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5531 apriv->config.authType = AUTH_ENCRYPT;
5534 default: /* We'll escalate to SHAREDKEY */
5535 apriv->config.authType = AUTH_SHAREDKEY;
5537 set_bit (FLAG_COMMIT, &apriv->flags);
5538 writeConfigRid(apriv, 0);
5539 enable_MAC(apriv, 0);
5542 /* Schedule check to see if the change worked */
5543 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5544 apriv->expires = RUN_AT(HZ*3);
5548 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5549 const struct pci_device_id *pent)
5551 struct net_device *dev;
5553 if (pci_enable_device(pdev))
5555 pci_set_master(pdev);
5557 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5558 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5560 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5562 pci_disable_device(pdev);
5566 pci_set_drvdata(pdev, dev);
5570 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5572 struct net_device *dev = pci_get_drvdata(pdev);
5574 airo_print_info(dev->name, "Unregistering...");
5575 stop_airo_card(dev, 1);
5576 pci_disable_device(pdev);
5577 pci_set_drvdata(pdev, NULL);
5580 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5582 struct net_device *dev = pci_get_drvdata(pdev);
5583 struct airo_info *ai = dev->priv;
5587 if ((ai->APList == NULL) &&
5588 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5590 if ((ai->SSID == NULL) &&
5591 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5593 readAPListRid(ai, ai->APList);
5594 readSsidRid(ai, ai->SSID);
5595 memset(&cmd, 0, sizeof(cmd));
5596 /* the lock will be released at the end of the resume callback */
5597 if (down_interruptible(&ai->sem))
5600 netif_device_detach(dev);
5603 issuecommand(ai, &cmd, &rsp);
5605 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5606 pci_save_state(pdev);
5607 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5610 static int airo_pci_resume(struct pci_dev *pdev)
5612 struct net_device *dev = pci_get_drvdata(pdev);
5613 struct airo_info *ai = dev->priv;
5614 pci_power_t prev_state = pdev->current_state;
5616 pci_set_power_state(pdev, PCI_D0);
5617 pci_restore_state(pdev);
5618 pci_enable_wake(pdev, PCI_D0, 0);
5620 if (prev_state != PCI_D1) {
5622 mpi_init_descriptors(ai);
5623 setup_card(ai, dev->dev_addr, 0);
5624 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5625 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5627 OUT4500(ai, EVACK, EV_AWAKEN);
5628 OUT4500(ai, EVACK, EV_AWAKEN);
5632 set_bit (FLAG_COMMIT, &ai->flags);
5636 writeSsidRid(ai, ai->SSID, 0);
5641 writeAPListRid(ai, ai->APList, 0);
5645 writeConfigRid(ai, 0);
5647 ai->power = PMSG_ON;
5648 netif_device_attach(dev);
5649 netif_wake_queue(dev);
5650 enable_interrupts(ai);
5656 static int __init airo_init_module( void )
5660 int have_isa_dev = 0;
5663 airo_entry = create_proc_entry("aironet",
5664 S_IFDIR | airo_perm,
5668 airo_entry->uid = proc_uid;
5669 airo_entry->gid = proc_gid;
5672 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5673 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5674 "io=0x%x", irq[i], io[i] );
5675 if (init_airo_card( irq[i], io[i], 0, NULL ))
5684 airo_print_info("", "Probing for PCI adapters");
5685 i = pci_register_driver(&airo_driver);
5686 airo_print_info("", "Finished probing for PCI adapters");
5689 remove_proc_entry("aironet", proc_root_driver);
5694 /* Always exit with success, as we are a library module
5695 * as well as a driver module
5700 static void __exit airo_cleanup_module( void )
5702 struct airo_info *ai;
5703 while(!list_empty(&airo_devices)) {
5704 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5705 airo_print_info(ai->dev->name, "Unregistering...");
5706 stop_airo_card(ai->dev, 1);
5709 pci_unregister_driver(&airo_driver);
5711 remove_proc_entry("aironet", proc_root_driver);
5715 * Initial Wireless Extension code for Aironet driver by :
5716 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5717 * Conversion to new driver API by :
5718 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5719 * Javier also did a good amount of work here, adding some new extensions
5720 * and fixing my code. Let's just say that without him this code just
5721 * would not work at all... - Jean II
5724 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5729 return (0x100 - rssi_rid[rssi].rssidBm);
5732 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5739 for( i = 0; i < 256; i++ )
5740 if (rssi_rid[i].rssidBm == dbm)
5741 return rssi_rid[i].rssipct;
5747 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5751 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5752 if (memcmp(cap_rid->prodName, "350", 3))
5753 if (status_rid->signalQuality > 0x20)
5756 quality = 0x20 - status_rid->signalQuality;
5758 if (status_rid->signalQuality > 0xb0)
5760 else if (status_rid->signalQuality < 0x10)
5763 quality = 0xb0 - status_rid->signalQuality;
5768 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5769 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5771 /*------------------------------------------------------------------*/
5773 * Wireless Handler : get protocol name
5775 static int airo_get_name(struct net_device *dev,
5776 struct iw_request_info *info,
5780 strcpy(cwrq, "IEEE 802.11-DS");
5784 /*------------------------------------------------------------------*/
5786 * Wireless Handler : set frequency
5788 static int airo_set_freq(struct net_device *dev,
5789 struct iw_request_info *info,
5790 struct iw_freq *fwrq,
5793 struct airo_info *local = dev->priv;
5794 int rc = -EINPROGRESS; /* Call commit handler */
5796 /* If setting by frequency, convert to a channel */
5797 if((fwrq->e == 1) &&
5798 (fwrq->m >= (int) 2.412e8) &&
5799 (fwrq->m <= (int) 2.487e8)) {
5800 int f = fwrq->m / 100000;
5802 while((c < 14) && (f != frequency_list[c]))
5804 /* Hack to fall through... */
5808 /* Setting by channel number */
5809 if((fwrq->m > 1000) || (fwrq->e > 0))
5812 int channel = fwrq->m;
5813 /* We should do a better check than that,
5814 * based on the card capability !!! */
5815 if((channel < 1) || (channel > 14)) {
5816 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5820 readConfigRid(local, 1);
5821 /* Yes ! We can set it !!! */
5822 local->config.channelSet = (u16) channel;
5823 set_bit (FLAG_COMMIT, &local->flags);
5829 /*------------------------------------------------------------------*/
5831 * Wireless Handler : get frequency
5833 static int airo_get_freq(struct net_device *dev,
5834 struct iw_request_info *info,
5835 struct iw_freq *fwrq,
5838 struct airo_info *local = dev->priv;
5839 StatusRid status_rid; /* Card status info */
5842 readConfigRid(local, 1);
5843 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5844 status_rid.channel = local->config.channelSet;
5846 readStatusRid(local, &status_rid, 1);
5848 ch = (int)status_rid.channel;
5849 if((ch > 0) && (ch < 15)) {
5850 fwrq->m = frequency_list[ch - 1] * 100000;
5860 /*------------------------------------------------------------------*/
5862 * Wireless Handler : set ESSID
5864 static int airo_set_essid(struct net_device *dev,
5865 struct iw_request_info *info,
5866 struct iw_point *dwrq,
5869 struct airo_info *local = dev->priv;
5870 SsidRid SSID_rid; /* SSIDs */
5872 /* Reload the list of current SSID */
5873 readSsidRid(local, &SSID_rid);
5875 /* Check if we asked for `any' */
5876 if(dwrq->flags == 0) {
5877 /* Just send an empty SSID list */
5878 memset(&SSID_rid, 0, sizeof(SSID_rid));
5880 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5882 /* Check the size of the string */
5883 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5886 /* Check if index is valid */
5887 if((index < 0) || (index >= 4)) {
5892 memset(SSID_rid.ssids[index].ssid, 0,
5893 sizeof(SSID_rid.ssids[index].ssid));
5894 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5895 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5897 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5898 /* Write it to the card */
5899 disable_MAC(local, 1);
5900 writeSsidRid(local, &SSID_rid, 1);
5901 enable_MAC(local, 1);
5906 /*------------------------------------------------------------------*/
5908 * Wireless Handler : get ESSID
5910 static int airo_get_essid(struct net_device *dev,
5911 struct iw_request_info *info,
5912 struct iw_point *dwrq,
5915 struct airo_info *local = dev->priv;
5916 StatusRid status_rid; /* Card status info */
5918 readStatusRid(local, &status_rid, 1);
5920 /* Note : if dwrq->flags != 0, we should
5921 * get the relevant SSID from the SSID list... */
5923 /* Get the current SSID */
5924 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5925 /* If none, we may want to get the one that was set */
5928 dwrq->length = status_rid.SSIDlen;
5929 dwrq->flags = 1; /* active */
5934 /*------------------------------------------------------------------*/
5936 * Wireless Handler : set AP address
5938 static int airo_set_wap(struct net_device *dev,
5939 struct iw_request_info *info,
5940 struct sockaddr *awrq,
5943 struct airo_info *local = dev->priv;
5946 APListRid APList_rid;
5947 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5948 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5950 if (awrq->sa_family != ARPHRD_ETHER)
5952 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5953 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5954 memset(&cmd, 0, sizeof(cmd));
5955 cmd.cmd=CMD_LOSE_SYNC;
5956 if (down_interruptible(&local->sem))
5957 return -ERESTARTSYS;
5958 issuecommand(local, &cmd, &rsp);
5961 memset(&APList_rid, 0, sizeof(APList_rid));
5962 APList_rid.len = sizeof(APList_rid);
5963 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5964 disable_MAC(local, 1);
5965 writeAPListRid(local, &APList_rid, 1);
5966 enable_MAC(local, 1);
5971 /*------------------------------------------------------------------*/
5973 * Wireless Handler : get AP address
5975 static int airo_get_wap(struct net_device *dev,
5976 struct iw_request_info *info,
5977 struct sockaddr *awrq,
5980 struct airo_info *local = dev->priv;
5981 StatusRid status_rid; /* Card status info */
5983 readStatusRid(local, &status_rid, 1);
5985 /* Tentative. This seems to work, wow, I'm lucky !!! */
5986 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5987 awrq->sa_family = ARPHRD_ETHER;
5992 /*------------------------------------------------------------------*/
5994 * Wireless Handler : set Nickname
5996 static int airo_set_nick(struct net_device *dev,
5997 struct iw_request_info *info,
5998 struct iw_point *dwrq,
6001 struct airo_info *local = dev->priv;
6003 /* Check the size of the string */
6004 if(dwrq->length > 16) {
6007 readConfigRid(local, 1);
6008 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6009 memcpy(local->config.nodeName, extra, dwrq->length);
6010 set_bit (FLAG_COMMIT, &local->flags);
6012 return -EINPROGRESS; /* Call commit handler */
6015 /*------------------------------------------------------------------*/
6017 * Wireless Handler : get Nickname
6019 static int airo_get_nick(struct net_device *dev,
6020 struct iw_request_info *info,
6021 struct iw_point *dwrq,
6024 struct airo_info *local = dev->priv;
6026 readConfigRid(local, 1);
6027 strncpy(extra, local->config.nodeName, 16);
6029 dwrq->length = strlen(extra);
6034 /*------------------------------------------------------------------*/
6036 * Wireless Handler : set Bit-Rate
6038 static int airo_set_rate(struct net_device *dev,
6039 struct iw_request_info *info,
6040 struct iw_param *vwrq,
6043 struct airo_info *local = dev->priv;
6044 CapabilityRid cap_rid; /* Card capability info */
6048 /* First : get a valid bit rate value */
6049 readCapabilityRid(local, &cap_rid, 1);
6051 /* Which type of value ? */
6052 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6053 /* Setting by rate index */
6054 /* Find value in the magic rate table */
6055 brate = cap_rid.supportedRates[vwrq->value];
6057 /* Setting by frequency value */
6058 u8 normvalue = (u8) (vwrq->value/500000);
6060 /* Check if rate is valid */
6061 for(i = 0 ; i < 8 ; i++) {
6062 if(normvalue == cap_rid.supportedRates[i]) {
6068 /* -1 designed the max rate (mostly auto mode) */
6069 if(vwrq->value == -1) {
6070 /* Get the highest available rate */
6071 for(i = 0 ; i < 8 ; i++) {
6072 if(cap_rid.supportedRates[i] == 0)
6076 brate = cap_rid.supportedRates[i - 1];
6078 /* Check that it is valid */
6083 readConfigRid(local, 1);
6084 /* Now, check if we want a fixed or auto value */
6085 if(vwrq->fixed == 0) {
6086 /* Fill all the rates up to this max rate */
6087 memset(local->config.rates, 0, 8);
6088 for(i = 0 ; i < 8 ; i++) {
6089 local->config.rates[i] = cap_rid.supportedRates[i];
6090 if(local->config.rates[i] == brate)
6095 /* One rate, fixed */
6096 memset(local->config.rates, 0, 8);
6097 local->config.rates[0] = brate;
6099 set_bit (FLAG_COMMIT, &local->flags);
6101 return -EINPROGRESS; /* Call commit handler */
6104 /*------------------------------------------------------------------*/
6106 * Wireless Handler : get Bit-Rate
6108 static int airo_get_rate(struct net_device *dev,
6109 struct iw_request_info *info,
6110 struct iw_param *vwrq,
6113 struct airo_info *local = dev->priv;
6114 StatusRid status_rid; /* Card status info */
6116 readStatusRid(local, &status_rid, 1);
6118 vwrq->value = status_rid.currentXmitRate * 500000;
6119 /* If more than one rate, set auto */
6120 readConfigRid(local, 1);
6121 vwrq->fixed = (local->config.rates[1] == 0);
6126 /*------------------------------------------------------------------*/
6128 * Wireless Handler : set RTS threshold
6130 static int airo_set_rts(struct net_device *dev,
6131 struct iw_request_info *info,
6132 struct iw_param *vwrq,
6135 struct airo_info *local = dev->priv;
6136 int rthr = vwrq->value;
6139 rthr = AIRO_DEF_MTU;
6140 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6143 readConfigRid(local, 1);
6144 local->config.rtsThres = rthr;
6145 set_bit (FLAG_COMMIT, &local->flags);
6147 return -EINPROGRESS; /* Call commit handler */
6150 /*------------------------------------------------------------------*/
6152 * Wireless Handler : get RTS threshold
6154 static int airo_get_rts(struct net_device *dev,
6155 struct iw_request_info *info,
6156 struct iw_param *vwrq,
6159 struct airo_info *local = dev->priv;
6161 readConfigRid(local, 1);
6162 vwrq->value = local->config.rtsThres;
6163 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6169 /*------------------------------------------------------------------*/
6171 * Wireless Handler : set Fragmentation threshold
6173 static int airo_set_frag(struct net_device *dev,
6174 struct iw_request_info *info,
6175 struct iw_param *vwrq,
6178 struct airo_info *local = dev->priv;
6179 int fthr = vwrq->value;
6182 fthr = AIRO_DEF_MTU;
6183 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6186 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6187 readConfigRid(local, 1);
6188 local->config.fragThresh = (u16)fthr;
6189 set_bit (FLAG_COMMIT, &local->flags);
6191 return -EINPROGRESS; /* Call commit handler */
6194 /*------------------------------------------------------------------*/
6196 * Wireless Handler : get Fragmentation threshold
6198 static int airo_get_frag(struct net_device *dev,
6199 struct iw_request_info *info,
6200 struct iw_param *vwrq,
6203 struct airo_info *local = dev->priv;
6205 readConfigRid(local, 1);
6206 vwrq->value = local->config.fragThresh;
6207 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6213 /*------------------------------------------------------------------*/
6215 * Wireless Handler : set Mode of Operation
6217 static int airo_set_mode(struct net_device *dev,
6218 struct iw_request_info *info,
6222 struct airo_info *local = dev->priv;
6225 readConfigRid(local, 1);
6226 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6231 local->config.opmode &= 0xFF00;
6232 local->config.opmode |= MODE_STA_IBSS;
6233 local->config.rmode &= 0xfe00;
6234 local->config.scanMode = SCANMODE_ACTIVE;
6235 clear_bit (FLAG_802_11, &local->flags);
6238 local->config.opmode &= 0xFF00;
6239 local->config.opmode |= MODE_STA_ESS;
6240 local->config.rmode &= 0xfe00;
6241 local->config.scanMode = SCANMODE_ACTIVE;
6242 clear_bit (FLAG_802_11, &local->flags);
6244 case IW_MODE_MASTER:
6245 local->config.opmode &= 0xFF00;
6246 local->config.opmode |= MODE_AP;
6247 local->config.rmode &= 0xfe00;
6248 local->config.scanMode = SCANMODE_ACTIVE;
6249 clear_bit (FLAG_802_11, &local->flags);
6251 case IW_MODE_REPEAT:
6252 local->config.opmode &= 0xFF00;
6253 local->config.opmode |= MODE_AP_RPTR;
6254 local->config.rmode &= 0xfe00;
6255 local->config.scanMode = SCANMODE_ACTIVE;
6256 clear_bit (FLAG_802_11, &local->flags);
6258 case IW_MODE_MONITOR:
6259 local->config.opmode &= 0xFF00;
6260 local->config.opmode |= MODE_STA_ESS;
6261 local->config.rmode &= 0xfe00;
6262 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6263 local->config.scanMode = SCANMODE_PASSIVE;
6264 set_bit (FLAG_802_11, &local->flags);
6270 set_bit (FLAG_RESET, &local->flags);
6271 set_bit (FLAG_COMMIT, &local->flags);
6273 return -EINPROGRESS; /* Call commit handler */
6276 /*------------------------------------------------------------------*/
6278 * Wireless Handler : get Mode of Operation
6280 static int airo_get_mode(struct net_device *dev,
6281 struct iw_request_info *info,
6285 struct airo_info *local = dev->priv;
6287 readConfigRid(local, 1);
6288 /* If not managed, assume it's ad-hoc */
6289 switch (local->config.opmode & 0xFF) {
6291 *uwrq = IW_MODE_INFRA;
6294 *uwrq = IW_MODE_MASTER;
6297 *uwrq = IW_MODE_REPEAT;
6300 *uwrq = IW_MODE_ADHOC;
6306 /*------------------------------------------------------------------*/
6308 * Wireless Handler : set Encryption Key
6310 static int airo_set_encode(struct net_device *dev,
6311 struct iw_request_info *info,
6312 struct iw_point *dwrq,
6315 struct airo_info *local = dev->priv;
6316 CapabilityRid cap_rid; /* Card capability info */
6317 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6318 u16 currentAuthType = local->config.authType;
6320 /* Is WEP supported ? */
6321 readCapabilityRid(local, &cap_rid, 1);
6322 /* Older firmware doesn't support this...
6323 if(!(cap_rid.softCap & 2)) {
6326 readConfigRid(local, 1);
6328 /* Basic checking: do we have a key to set ?
6329 * Note : with the new API, it's impossible to get a NULL pointer.
6330 * Therefore, we need to check a key size == 0 instead.
6331 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6332 * when no key is present (only change flags), but older versions
6333 * don't do it. - Jean II */
6334 if (dwrq->length > 0) {
6336 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6337 int current_index = get_wep_key(local, 0xffff);
6338 /* Check the size of the key */
6339 if (dwrq->length > MAX_KEY_SIZE) {
6342 /* Check the index (none -> use current) */
6343 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6344 index = current_index;
6345 /* Set the length */
6346 if (dwrq->length > MIN_KEY_SIZE)
6347 key.len = MAX_KEY_SIZE;
6349 if (dwrq->length > 0)
6350 key.len = MIN_KEY_SIZE;
6352 /* Disable the key */
6354 /* Check if the key is not marked as invalid */
6355 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6357 memset(key.key, 0, MAX_KEY_SIZE);
6358 /* Copy the key in the driver */
6359 memcpy(key.key, extra, dwrq->length);
6360 /* Send the key to the card */
6361 set_wep_key(local, index, key.key, key.len, perm, 1);
6363 /* WE specify that if a valid key is set, encryption
6364 * should be enabled (user may turn it off later)
6365 * This is also how "iwconfig ethX key on" works */
6366 if((index == current_index) && (key.len > 0) &&
6367 (local->config.authType == AUTH_OPEN)) {
6368 local->config.authType = AUTH_ENCRYPT;
6371 /* Do we want to just set the transmit key index ? */
6372 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6373 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6374 set_wep_key(local, index, NULL, 0, perm, 1);
6376 /* Don't complain if only change the mode */
6377 if (!(dwrq->flags & IW_ENCODE_MODE))
6380 /* Read the flags */
6381 if(dwrq->flags & IW_ENCODE_DISABLED)
6382 local->config.authType = AUTH_OPEN; // disable encryption
6383 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6384 local->config.authType = AUTH_SHAREDKEY; // Only Both
6385 if(dwrq->flags & IW_ENCODE_OPEN)
6386 local->config.authType = AUTH_ENCRYPT; // Only Wep
6387 /* Commit the changes to flags if needed */
6388 if (local->config.authType != currentAuthType)
6389 set_bit (FLAG_COMMIT, &local->flags);
6390 return -EINPROGRESS; /* Call commit handler */
6393 /*------------------------------------------------------------------*/
6395 * Wireless Handler : get Encryption Key
6397 static int airo_get_encode(struct net_device *dev,
6398 struct iw_request_info *info,
6399 struct iw_point *dwrq,
6402 struct airo_info *local = dev->priv;
6403 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6404 CapabilityRid cap_rid; /* Card capability info */
6406 /* Is it supported ? */
6407 readCapabilityRid(local, &cap_rid, 1);
6408 if(!(cap_rid.softCap & 2)) {
6411 readConfigRid(local, 1);
6412 /* Check encryption mode */
6413 switch(local->config.authType) {
6415 dwrq->flags = IW_ENCODE_OPEN;
6417 case AUTH_SHAREDKEY:
6418 dwrq->flags = IW_ENCODE_RESTRICTED;
6422 dwrq->flags = IW_ENCODE_DISABLED;
6425 /* We can't return the key, so set the proper flag and return zero */
6426 dwrq->flags |= IW_ENCODE_NOKEY;
6427 memset(extra, 0, 16);
6429 /* Which key do we want ? -1 -> tx index */
6430 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6431 index = get_wep_key(local, 0xffff);
6432 dwrq->flags |= index + 1;
6433 /* Copy the key to the user buffer */
6434 dwrq->length = get_wep_key(local, index);
6435 if (dwrq->length > 16) {
6441 /*------------------------------------------------------------------*/
6443 * Wireless Handler : set extended Encryption parameters
6445 static int airo_set_encodeext(struct net_device *dev,
6446 struct iw_request_info *info,
6447 union iwreq_data *wrqu,
6450 struct airo_info *local = dev->priv;
6451 struct iw_point *encoding = &wrqu->encoding;
6452 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6453 CapabilityRid cap_rid; /* Card capability info */
6454 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6455 u16 currentAuthType = local->config.authType;
6456 int idx, key_len, alg = ext->alg, set_key = 1;
6459 /* Is WEP supported ? */
6460 readCapabilityRid(local, &cap_rid, 1);
6461 /* Older firmware doesn't support this...
6462 if(!(cap_rid.softCap & 2)) {
6465 readConfigRid(local, 1);
6467 /* Determine and validate the key index */
6468 idx = encoding->flags & IW_ENCODE_INDEX;
6470 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6474 idx = get_wep_key(local, 0xffff);
6476 if (encoding->flags & IW_ENCODE_DISABLED)
6477 alg = IW_ENCODE_ALG_NONE;
6479 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6480 /* Only set transmit key index here, actual
6481 * key is set below if needed.
6483 set_wep_key(local, idx, NULL, 0, perm, 1);
6484 set_key = ext->key_len > 0 ? 1 : 0;
6488 /* Set the requested key first */
6489 memset(key.key, 0, MAX_KEY_SIZE);
6491 case IW_ENCODE_ALG_NONE:
6494 case IW_ENCODE_ALG_WEP:
6495 if (ext->key_len > MIN_KEY_SIZE) {
6496 key.len = MAX_KEY_SIZE;
6497 } else if (ext->key_len > 0) {
6498 key.len = MIN_KEY_SIZE;
6502 key_len = min (ext->key_len, key.len);
6503 memcpy(key.key, ext->key, key_len);
6508 /* Send the key to the card */
6509 set_wep_key(local, idx, key.key, key.len, perm, 1);
6512 /* Read the flags */
6513 if(encoding->flags & IW_ENCODE_DISABLED)
6514 local->config.authType = AUTH_OPEN; // disable encryption
6515 if(encoding->flags & IW_ENCODE_RESTRICTED)
6516 local->config.authType = AUTH_SHAREDKEY; // Only Both
6517 if(encoding->flags & IW_ENCODE_OPEN)
6518 local->config.authType = AUTH_ENCRYPT; // Only Wep
6519 /* Commit the changes to flags if needed */
6520 if (local->config.authType != currentAuthType)
6521 set_bit (FLAG_COMMIT, &local->flags);
6523 return -EINPROGRESS;
6527 /*------------------------------------------------------------------*/
6529 * Wireless Handler : get extended Encryption parameters
6531 static int airo_get_encodeext(struct net_device *dev,
6532 struct iw_request_info *info,
6533 union iwreq_data *wrqu,
6536 struct airo_info *local = dev->priv;
6537 struct iw_point *encoding = &wrqu->encoding;
6538 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6539 CapabilityRid cap_rid; /* Card capability info */
6540 int idx, max_key_len;
6542 /* Is it supported ? */
6543 readCapabilityRid(local, &cap_rid, 1);
6544 if(!(cap_rid.softCap & 2)) {
6547 readConfigRid(local, 1);
6549 max_key_len = encoding->length - sizeof(*ext);
6550 if (max_key_len < 0)
6553 idx = encoding->flags & IW_ENCODE_INDEX;
6555 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6559 idx = get_wep_key(local, 0xffff);
6561 encoding->flags = idx + 1;
6562 memset(ext, 0, sizeof(*ext));
6564 /* Check encryption mode */
6565 switch(local->config.authType) {
6567 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6569 case AUTH_SHAREDKEY:
6570 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6574 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6577 /* We can't return the key, so set the proper flag and return zero */
6578 encoding->flags |= IW_ENCODE_NOKEY;
6579 memset(extra, 0, 16);
6581 /* Copy the key to the user buffer */
6582 ext->key_len = get_wep_key(local, idx);
6583 if (ext->key_len > 16) {
6591 /*------------------------------------------------------------------*/
6593 * Wireless Handler : set extended authentication parameters
6595 static int airo_set_auth(struct net_device *dev,
6596 struct iw_request_info *info,
6597 union iwreq_data *wrqu, char *extra)
6599 struct airo_info *local = dev->priv;
6600 struct iw_param *param = &wrqu->param;
6601 u16 currentAuthType = local->config.authType;
6603 switch (param->flags & IW_AUTH_INDEX) {
6604 case IW_AUTH_WPA_VERSION:
6605 case IW_AUTH_CIPHER_PAIRWISE:
6606 case IW_AUTH_CIPHER_GROUP:
6607 case IW_AUTH_KEY_MGMT:
6608 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6609 case IW_AUTH_PRIVACY_INVOKED:
6611 * airo does not use these parameters
6615 case IW_AUTH_DROP_UNENCRYPTED:
6617 /* Only change auth type if unencrypted */
6618 if (currentAuthType == AUTH_OPEN)
6619 local->config.authType = AUTH_ENCRYPT;
6621 local->config.authType = AUTH_OPEN;
6624 /* Commit the changes to flags if needed */
6625 if (local->config.authType != currentAuthType)
6626 set_bit (FLAG_COMMIT, &local->flags);
6629 case IW_AUTH_80211_AUTH_ALG: {
6630 /* FIXME: What about AUTH_OPEN? This API seems to
6631 * disallow setting our auth to AUTH_OPEN.
6633 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6634 local->config.authType = AUTH_SHAREDKEY;
6635 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6636 local->config.authType = AUTH_ENCRYPT;
6641 /* Commit the changes to flags if needed */
6642 if (local->config.authType != currentAuthType)
6643 set_bit (FLAG_COMMIT, &local->flags);
6646 case IW_AUTH_WPA_ENABLED:
6647 /* Silently accept disable of WPA */
6648 if (param->value > 0)
6655 return -EINPROGRESS;
6659 /*------------------------------------------------------------------*/
6661 * Wireless Handler : get extended authentication parameters
6663 static int airo_get_auth(struct net_device *dev,
6664 struct iw_request_info *info,
6665 union iwreq_data *wrqu, char *extra)
6667 struct airo_info *local = dev->priv;
6668 struct iw_param *param = &wrqu->param;
6669 u16 currentAuthType = local->config.authType;
6671 switch (param->flags & IW_AUTH_INDEX) {
6672 case IW_AUTH_DROP_UNENCRYPTED:
6673 switch (currentAuthType) {
6674 case AUTH_SHAREDKEY:
6684 case IW_AUTH_80211_AUTH_ALG:
6685 switch (currentAuthType) {
6686 case AUTH_SHAREDKEY:
6687 param->value = IW_AUTH_ALG_SHARED_KEY;
6691 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6696 case IW_AUTH_WPA_ENABLED:
6707 /*------------------------------------------------------------------*/
6709 * Wireless Handler : set Tx-Power
6711 static int airo_set_txpow(struct net_device *dev,
6712 struct iw_request_info *info,
6713 struct iw_param *vwrq,
6716 struct airo_info *local = dev->priv;
6717 CapabilityRid cap_rid; /* Card capability info */
6721 readCapabilityRid(local, &cap_rid, 1);
6723 if (vwrq->disabled) {
6724 set_bit (FLAG_RADIO_OFF, &local->flags);
6725 set_bit (FLAG_COMMIT, &local->flags);
6726 return -EINPROGRESS; /* Call commit handler */
6728 if (vwrq->flags != IW_TXPOW_MWATT) {
6731 clear_bit (FLAG_RADIO_OFF, &local->flags);
6732 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6733 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6734 readConfigRid(local, 1);
6735 local->config.txPower = vwrq->value;
6736 set_bit (FLAG_COMMIT, &local->flags);
6737 rc = -EINPROGRESS; /* Call commit handler */
6743 /*------------------------------------------------------------------*/
6745 * Wireless Handler : get Tx-Power
6747 static int airo_get_txpow(struct net_device *dev,
6748 struct iw_request_info *info,
6749 struct iw_param *vwrq,
6752 struct airo_info *local = dev->priv;
6754 readConfigRid(local, 1);
6755 vwrq->value = local->config.txPower;
6756 vwrq->fixed = 1; /* No power control */
6757 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6758 vwrq->flags = IW_TXPOW_MWATT;
6763 /*------------------------------------------------------------------*/
6765 * Wireless Handler : set Retry limits
6767 static int airo_set_retry(struct net_device *dev,
6768 struct iw_request_info *info,
6769 struct iw_param *vwrq,
6772 struct airo_info *local = dev->priv;
6775 if(vwrq->disabled) {
6778 readConfigRid(local, 1);
6779 if(vwrq->flags & IW_RETRY_LIMIT) {
6780 if(vwrq->flags & IW_RETRY_LONG)
6781 local->config.longRetryLimit = vwrq->value;
6782 else if (vwrq->flags & IW_RETRY_SHORT)
6783 local->config.shortRetryLimit = vwrq->value;
6785 /* No modifier : set both */
6786 local->config.longRetryLimit = vwrq->value;
6787 local->config.shortRetryLimit = vwrq->value;
6789 set_bit (FLAG_COMMIT, &local->flags);
6790 rc = -EINPROGRESS; /* Call commit handler */
6792 if(vwrq->flags & IW_RETRY_LIFETIME) {
6793 local->config.txLifetime = vwrq->value / 1024;
6794 set_bit (FLAG_COMMIT, &local->flags);
6795 rc = -EINPROGRESS; /* Call commit handler */
6800 /*------------------------------------------------------------------*/
6802 * Wireless Handler : get Retry limits
6804 static int airo_get_retry(struct net_device *dev,
6805 struct iw_request_info *info,
6806 struct iw_param *vwrq,
6809 struct airo_info *local = dev->priv;
6811 vwrq->disabled = 0; /* Can't be disabled */
6813 readConfigRid(local, 1);
6814 /* Note : by default, display the min retry number */
6815 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6816 vwrq->flags = IW_RETRY_LIFETIME;
6817 vwrq->value = (int)local->config.txLifetime * 1024;
6818 } else if((vwrq->flags & IW_RETRY_LONG)) {
6819 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6820 vwrq->value = (int)local->config.longRetryLimit;
6822 vwrq->flags = IW_RETRY_LIMIT;
6823 vwrq->value = (int)local->config.shortRetryLimit;
6824 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6825 vwrq->flags |= IW_RETRY_SHORT;
6831 /*------------------------------------------------------------------*/
6833 * Wireless Handler : get range info
6835 static int airo_get_range(struct net_device *dev,
6836 struct iw_request_info *info,
6837 struct iw_point *dwrq,
6840 struct airo_info *local = dev->priv;
6841 struct iw_range *range = (struct iw_range *) extra;
6842 CapabilityRid cap_rid; /* Card capability info */
6846 readCapabilityRid(local, &cap_rid, 1);
6848 dwrq->length = sizeof(struct iw_range);
6849 memset(range, 0, sizeof(*range));
6850 range->min_nwid = 0x0000;
6851 range->max_nwid = 0x0000;
6852 range->num_channels = 14;
6853 /* Should be based on cap_rid.country to give only
6854 * what the current card support */
6856 for(i = 0; i < 14; i++) {
6857 range->freq[k].i = i + 1; /* List index */
6858 range->freq[k].m = frequency_list[i] * 100000;
6859 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6861 range->num_frequency = k;
6863 range->sensitivity = 65535;
6865 /* Hum... Should put the right values there */
6867 range->max_qual.qual = 100; /* % */
6869 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6870 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6871 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6873 /* Experimental measurements - boundary 11/5.5 Mb/s */
6874 /* Note : with or without the (local->rssi), results
6875 * are somewhat different. - Jean II */
6877 range->avg_qual.qual = 50; /* % */
6878 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6880 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6881 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6883 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6885 for(i = 0 ; i < 8 ; i++) {
6886 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6887 if(range->bitrate[i] == 0)
6890 range->num_bitrates = i;
6892 /* Set an indication of the max TCP throughput
6893 * in bit/s that we can expect using this interface.
6894 * May be use for QoS stuff... Jean II */
6896 range->throughput = 5000 * 1000;
6898 range->throughput = 1500 * 1000;
6901 range->max_rts = AIRO_DEF_MTU;
6902 range->min_frag = 256;
6903 range->max_frag = AIRO_DEF_MTU;
6905 if(cap_rid.softCap & 2) {
6907 range->encoding_size[0] = 5;
6909 if (cap_rid.softCap & 0x100) {
6910 range->encoding_size[1] = 13;
6911 range->num_encoding_sizes = 2;
6913 range->num_encoding_sizes = 1;
6914 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6916 range->num_encoding_sizes = 0;
6917 range->max_encoding_tokens = 0;
6920 range->max_pmp = 5000000; /* 5 secs */
6922 range->max_pmt = 65535 * 1024; /* ??? */
6923 range->pmp_flags = IW_POWER_PERIOD;
6924 range->pmt_flags = IW_POWER_TIMEOUT;
6925 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6927 /* Transmit Power - values are in mW */
6928 for(i = 0 ; i < 8 ; i++) {
6929 range->txpower[i] = cap_rid.txPowerLevels[i];
6930 if(range->txpower[i] == 0)
6933 range->num_txpower = i;
6934 range->txpower_capa = IW_TXPOW_MWATT;
6935 range->we_version_source = 19;
6936 range->we_version_compiled = WIRELESS_EXT;
6937 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6938 range->retry_flags = IW_RETRY_LIMIT;
6939 range->r_time_flags = IW_RETRY_LIFETIME;
6940 range->min_retry = 1;
6941 range->max_retry = 65535;
6942 range->min_r_time = 1024;
6943 range->max_r_time = 65535 * 1024;
6945 /* Event capability (kernel + driver) */
6946 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6947 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6948 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6949 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6950 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6951 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6955 /*------------------------------------------------------------------*/
6957 * Wireless Handler : set Power Management
6959 static int airo_set_power(struct net_device *dev,
6960 struct iw_request_info *info,
6961 struct iw_param *vwrq,
6964 struct airo_info *local = dev->priv;
6966 readConfigRid(local, 1);
6967 if (vwrq->disabled) {
6968 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6971 local->config.powerSaveMode = POWERSAVE_CAM;
6972 local->config.rmode &= 0xFF00;
6973 local->config.rmode |= RXMODE_BC_MC_ADDR;
6974 set_bit (FLAG_COMMIT, &local->flags);
6975 return -EINPROGRESS; /* Call commit handler */
6977 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6978 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6979 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6980 set_bit (FLAG_COMMIT, &local->flags);
6981 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6982 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6983 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6984 set_bit (FLAG_COMMIT, &local->flags);
6986 switch (vwrq->flags & IW_POWER_MODE) {
6987 case IW_POWER_UNICAST_R:
6988 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6991 local->config.rmode &= 0xFF00;
6992 local->config.rmode |= RXMODE_ADDR;
6993 set_bit (FLAG_COMMIT, &local->flags);
6995 case IW_POWER_ALL_R:
6996 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6999 local->config.rmode &= 0xFF00;
7000 local->config.rmode |= RXMODE_BC_MC_ADDR;
7001 set_bit (FLAG_COMMIT, &local->flags);
7003 /* This is broken, fixme ;-) */
7008 // Note : we may want to factor local->need_commit here
7009 // Note2 : may also want to factor RXMODE_RFMON test
7010 return -EINPROGRESS; /* Call commit handler */
7013 /*------------------------------------------------------------------*/
7015 * Wireless Handler : get Power Management
7017 static int airo_get_power(struct net_device *dev,
7018 struct iw_request_info *info,
7019 struct iw_param *vwrq,
7022 struct airo_info *local = dev->priv;
7025 readConfigRid(local, 1);
7026 mode = local->config.powerSaveMode;
7027 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7029 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7030 vwrq->value = (int)local->config.fastListenDelay * 1024;
7031 vwrq->flags = IW_POWER_TIMEOUT;
7033 vwrq->value = (int)local->config.fastListenInterval * 1024;
7034 vwrq->flags = IW_POWER_PERIOD;
7036 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7037 vwrq->flags |= IW_POWER_UNICAST_R;
7039 vwrq->flags |= IW_POWER_ALL_R;
7044 /*------------------------------------------------------------------*/
7046 * Wireless Handler : set Sensitivity
7048 static int airo_set_sens(struct net_device *dev,
7049 struct iw_request_info *info,
7050 struct iw_param *vwrq,
7053 struct airo_info *local = dev->priv;
7055 readConfigRid(local, 1);
7056 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7057 set_bit (FLAG_COMMIT, &local->flags);
7059 return -EINPROGRESS; /* Call commit handler */
7062 /*------------------------------------------------------------------*/
7064 * Wireless Handler : get Sensitivity
7066 static int airo_get_sens(struct net_device *dev,
7067 struct iw_request_info *info,
7068 struct iw_param *vwrq,
7071 struct airo_info *local = dev->priv;
7073 readConfigRid(local, 1);
7074 vwrq->value = local->config.rssiThreshold;
7075 vwrq->disabled = (vwrq->value == 0);
7081 /*------------------------------------------------------------------*/
7083 * Wireless Handler : get AP List
7084 * Note : this is deprecated in favor of IWSCAN
7086 static int airo_get_aplist(struct net_device *dev,
7087 struct iw_request_info *info,
7088 struct iw_point *dwrq,
7091 struct airo_info *local = dev->priv;
7092 struct sockaddr *address = (struct sockaddr *) extra;
7093 struct iw_quality qual[IW_MAX_AP];
7096 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7098 for (i = 0; i < IW_MAX_AP; i++) {
7099 if (readBSSListRid(local, loseSync, &BSSList))
7102 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7103 address[i].sa_family = ARPHRD_ETHER;
7105 qual[i].level = 0x100 - BSSList.dBm;
7106 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7107 qual[i].updated = IW_QUAL_QUAL_UPDATED
7108 | IW_QUAL_LEVEL_UPDATED
7111 qual[i].level = (BSSList.dBm + 321) / 2;
7113 qual[i].updated = IW_QUAL_QUAL_INVALID
7114 | IW_QUAL_LEVEL_UPDATED
7117 qual[i].noise = local->wstats.qual.noise;
7118 if (BSSList.index == 0xffff)
7122 StatusRid status_rid; /* Card status info */
7123 readStatusRid(local, &status_rid, 1);
7125 i < min(IW_MAX_AP, 4) &&
7126 (status_rid.bssid[i][0]
7127 & status_rid.bssid[i][1]
7128 & status_rid.bssid[i][2]
7129 & status_rid.bssid[i][3]
7130 & status_rid.bssid[i][4]
7131 & status_rid.bssid[i][5])!=0xff &&
7132 (status_rid.bssid[i][0]
7133 | status_rid.bssid[i][1]
7134 | status_rid.bssid[i][2]
7135 | status_rid.bssid[i][3]
7136 | status_rid.bssid[i][4]
7137 | status_rid.bssid[i][5]);
7139 memcpy(address[i].sa_data,
7140 status_rid.bssid[i], ETH_ALEN);
7141 address[i].sa_family = ARPHRD_ETHER;
7144 dwrq->flags = 1; /* Should be define'd */
7145 memcpy(extra + sizeof(struct sockaddr)*i,
7146 &qual, sizeof(struct iw_quality)*i);
7153 /*------------------------------------------------------------------*/
7155 * Wireless Handler : Initiate Scan
7157 static int airo_set_scan(struct net_device *dev,
7158 struct iw_request_info *info,
7159 struct iw_param *vwrq,
7162 struct airo_info *ai = dev->priv;
7167 /* Note : you may have realised that, as this is a SET operation,
7168 * this is privileged and therefore a normal user can't
7170 * This is not an error, while the device perform scanning,
7171 * traffic doesn't flow, so it's a perfect DoS...
7173 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7175 if (down_interruptible(&ai->sem))
7176 return -ERESTARTSYS;
7178 /* If there's already a scan in progress, don't
7179 * trigger another one. */
7180 if (ai->scan_timeout > 0)
7183 /* Initiate a scan command */
7184 ai->scan_timeout = RUN_AT(3*HZ);
7185 memset(&cmd, 0, sizeof(cmd));
7186 cmd.cmd=CMD_LISTBSS;
7187 issuecommand(ai, &cmd, &rsp);
7193 wake_up_interruptible(&ai->thr_wait);
7197 /*------------------------------------------------------------------*/
7199 * Translate scan data returned from the card to a card independent
7200 * format that the Wireless Tools will understand - Jean II
7202 static inline char *airo_translate_scan(struct net_device *dev,
7207 struct airo_info *ai = dev->priv;
7208 struct iw_event iwe; /* Temporary buffer */
7210 char * current_val; /* For rates */
7215 /* First entry *MUST* be the AP MAC address */
7216 iwe.cmd = SIOCGIWAP;
7217 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7218 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7219 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7221 /* Other entries will be displayed in the order we give them */
7224 iwe.u.data.length = bss->ssidLen;
7225 if(iwe.u.data.length > 32)
7226 iwe.u.data.length = 32;
7227 iwe.cmd = SIOCGIWESSID;
7228 iwe.u.data.flags = 1;
7229 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7232 iwe.cmd = SIOCGIWMODE;
7233 capabilities = le16_to_cpu(bss->cap);
7234 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7235 if(capabilities & CAP_ESS)
7236 iwe.u.mode = IW_MODE_MASTER;
7238 iwe.u.mode = IW_MODE_ADHOC;
7239 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7243 iwe.cmd = SIOCGIWFREQ;
7244 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7245 /* iwe.u.freq.m containt the channel (starting 1), our
7246 * frequency_list array start at index 0...
7248 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7250 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7252 dBm = le16_to_cpu(bss->dBm);
7254 /* Add quality statistics */
7257 iwe.u.qual.level = 0x100 - dBm;
7258 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7259 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7260 | IW_QUAL_LEVEL_UPDATED
7263 iwe.u.qual.level = (dBm + 321) / 2;
7264 iwe.u.qual.qual = 0;
7265 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7266 | IW_QUAL_LEVEL_UPDATED
7269 iwe.u.qual.noise = ai->wstats.qual.noise;
7270 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7272 /* Add encryption capability */
7273 iwe.cmd = SIOCGIWENCODE;
7274 if(capabilities & CAP_PRIVACY)
7275 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7277 iwe.u.data.flags = IW_ENCODE_DISABLED;
7278 iwe.u.data.length = 0;
7279 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7281 /* Rate : stuffing multiple values in a single event require a bit
7282 * more of magic - Jean II */
7283 current_val = current_ev + IW_EV_LCP_LEN;
7285 iwe.cmd = SIOCGIWRATE;
7286 /* Those two flags are ignored... */
7287 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7289 for(i = 0 ; i < 8 ; i++) {
7290 /* NULL terminated */
7291 if(bss->rates[i] == 0)
7293 /* Bit rate given in 500 kb/s units (+ 0x80) */
7294 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7295 /* Add new value to event */
7296 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7298 /* Check if we added any event */
7299 if((current_val - current_ev) > IW_EV_LCP_LEN)
7300 current_ev = current_val;
7302 /* Beacon interval */
7303 buf = kmalloc(30, GFP_KERNEL);
7305 iwe.cmd = IWEVCUSTOM;
7306 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7307 iwe.u.data.length = strlen(buf);
7308 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7312 /* Put WPA/RSN Information Elements into the event stream */
7313 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7314 unsigned int num_null_ies = 0;
7315 u16 length = sizeof (bss->extra.iep);
7316 struct ieee80211_info_element *info_element =
7317 (struct ieee80211_info_element *) &bss->extra.iep;
7319 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7320 if (sizeof(*info_element) + info_element->len > length) {
7321 /* Invalid element, don't continue parsing IE */
7325 switch (info_element->id) {
7326 case MFIE_TYPE_SSID:
7327 /* Two zero-length SSID elements
7328 * mean we're done parsing elements */
7329 if (!info_element->len)
7333 case MFIE_TYPE_GENERIC:
7334 if (info_element->len >= 4 &&
7335 info_element->data[0] == 0x00 &&
7336 info_element->data[1] == 0x50 &&
7337 info_element->data[2] == 0xf2 &&
7338 info_element->data[3] == 0x01) {
7339 iwe.cmd = IWEVGENIE;
7340 iwe.u.data.length = min(info_element->len + 2,
7342 current_ev = iwe_stream_add_point(current_ev, end_buf,
7343 &iwe, (char *) info_element);
7348 iwe.cmd = IWEVGENIE;
7349 iwe.u.data.length = min(info_element->len + 2,
7351 current_ev = iwe_stream_add_point(current_ev, end_buf,
7352 &iwe, (char *) info_element);
7359 length -= sizeof(*info_element) + info_element->len;
7361 (struct ieee80211_info_element *)&info_element->
7362 data[info_element->len];
7368 /*------------------------------------------------------------------*/
7370 * Wireless Handler : Read Scan Results
7372 static int airo_get_scan(struct net_device *dev,
7373 struct iw_request_info *info,
7374 struct iw_point *dwrq,
7377 struct airo_info *ai = dev->priv;
7378 BSSListElement *net;
7380 char *current_ev = extra;
7382 /* If a scan is in-progress, return -EAGAIN */
7383 if (ai->scan_timeout > 0)
7386 if (down_interruptible(&ai->sem))
7389 list_for_each_entry (net, &ai->network_list, list) {
7390 /* Translate to WE format this entry */
7391 current_ev = airo_translate_scan(dev, current_ev,
7392 extra + dwrq->length,
7395 /* Check if there is space for one more entry */
7396 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7397 /* Ask user space to try again with a bigger buffer */
7403 /* Length of data */
7404 dwrq->length = (current_ev - extra);
7405 dwrq->flags = 0; /* todo */
7412 /*------------------------------------------------------------------*/
7414 * Commit handler : called after a bunch of SET operations
7416 static int airo_config_commit(struct net_device *dev,
7417 struct iw_request_info *info, /* NULL */
7418 void *zwrq, /* NULL */
7419 char *extra) /* NULL */
7421 struct airo_info *local = dev->priv;
7423 if (!test_bit (FLAG_COMMIT, &local->flags))
7426 /* Some of the "SET" function may have modified some of the
7427 * parameters. It's now time to commit them in the card */
7428 disable_MAC(local, 1);
7429 if (test_bit (FLAG_RESET, &local->flags)) {
7430 APListRid APList_rid;
7433 readAPListRid(local, &APList_rid);
7434 readSsidRid(local, &SSID_rid);
7435 if (test_bit(FLAG_MPI,&local->flags))
7436 setup_card(local, dev->dev_addr, 1 );
7438 reset_airo_card(dev);
7439 disable_MAC(local, 1);
7440 writeSsidRid(local, &SSID_rid, 1);
7441 writeAPListRid(local, &APList_rid, 1);
7443 if (down_interruptible(&local->sem))
7444 return -ERESTARTSYS;
7445 writeConfigRid(local, 0);
7446 enable_MAC(local, 0);
7447 if (test_bit (FLAG_RESET, &local->flags))
7448 airo_set_promisc(local);
7455 /*------------------------------------------------------------------*/
7457 * Structures to export the Wireless Handlers
7460 static const struct iw_priv_args airo_private_args[] = {
7461 /*{ cmd, set_args, get_args, name } */
7462 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7463 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7464 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7465 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7468 static const iw_handler airo_handler[] =
7470 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7471 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7472 (iw_handler) NULL, /* SIOCSIWNWID */
7473 (iw_handler) NULL, /* SIOCGIWNWID */
7474 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7475 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7476 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7477 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7478 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7479 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7480 (iw_handler) NULL, /* SIOCSIWRANGE */
7481 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7482 (iw_handler) NULL, /* SIOCSIWPRIV */
7483 (iw_handler) NULL, /* SIOCGIWPRIV */
7484 (iw_handler) NULL, /* SIOCSIWSTATS */
7485 (iw_handler) NULL, /* SIOCGIWSTATS */
7486 iw_handler_set_spy, /* SIOCSIWSPY */
7487 iw_handler_get_spy, /* SIOCGIWSPY */
7488 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7489 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7490 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7491 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7492 (iw_handler) NULL, /* -- hole -- */
7493 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7494 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7495 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7496 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7497 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7498 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7499 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7500 (iw_handler) NULL, /* -- hole -- */
7501 (iw_handler) NULL, /* -- hole -- */
7502 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7503 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7504 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7505 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7506 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7507 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7508 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7509 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7510 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7511 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7512 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7513 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7514 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7515 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7516 (iw_handler) NULL, /* -- hole -- */
7517 (iw_handler) NULL, /* -- hole -- */
7518 (iw_handler) NULL, /* SIOCSIWGENIE */
7519 (iw_handler) NULL, /* SIOCGIWGENIE */
7520 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7521 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7522 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7523 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7524 (iw_handler) NULL, /* SIOCSIWPMKSA */
7527 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7528 * We want to force the use of the ioctl code, because those can't be
7529 * won't work the iw_handler code (because they simultaneously read
7530 * and write data and iw_handler can't do that).
7531 * Note that it's perfectly legal to read/write on a single ioctl command,
7532 * you just can't use iwpriv and need to force it via the ioctl handler.
7534 static const iw_handler airo_private_handler[] =
7536 NULL, /* SIOCIWFIRSTPRIV */
7539 static const struct iw_handler_def airo_handler_def =
7541 .num_standard = ARRAY_SIZE(airo_handler),
7542 .num_private = ARRAY_SIZE(airo_private_handler),
7543 .num_private_args = ARRAY_SIZE(airo_private_args),
7544 .standard = airo_handler,
7545 .private = airo_private_handler,
7546 .private_args = airo_private_args,
7547 .get_wireless_stats = airo_get_wireless_stats,
7551 * This defines the configuration part of the Wireless Extensions
7552 * Note : irq and spinlock protection will occur in the subroutines
7555 * o Check input value more carefully and fill correct values in range
7556 * o Test and shakeout the bugs (if any)
7560 * Javier Achirica did a great job of merging code from the unnamed CISCO
7561 * developer that added support for flashing the card.
7563 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7566 struct airo_info *ai = (struct airo_info *)dev->priv;
7568 if (ai->power.event)
7578 int val = AIROMAGIC;
7580 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7582 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7591 /* Get the command struct and hand it off for evaluation by
7592 * the proper subfunction
7596 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7601 /* Separate R/W functions bracket legality here
7603 if ( com.command == AIRORSWVERSION ) {
7604 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7609 else if ( com.command <= AIRORRID)
7610 rc = readrids(dev,&com);
7611 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7612 rc = writerids(dev,&com);
7613 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7614 rc = flashcard(dev,&com);
7616 rc = -EINVAL; /* Bad command in ioctl */
7619 #endif /* CISCO_EXT */
7621 // All other calls are currently unsupported
7629 * Get the Wireless stats out of the driver
7630 * Note : irq and spinlock protection will occur in the subroutines
7633 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7637 static void airo_read_wireless_stats(struct airo_info *local)
7639 StatusRid status_rid;
7641 CapabilityRid cap_rid;
7642 u32 *vals = stats_rid.vals;
7644 /* Get stats out of the card */
7645 clear_bit(JOB_WSTATS, &local->jobs);
7646 if (local->power.event) {
7650 readCapabilityRid(local, &cap_rid, 0);
7651 readStatusRid(local, &status_rid, 0);
7652 readStatsRid(local, &stats_rid, RID_STATS, 0);
7656 local->wstats.status = status_rid.mode;
7658 /* Signal quality and co */
7660 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7661 /* normalizedSignalStrength appears to be a percentage */
7662 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7664 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7665 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7667 if (status_rid.len >= 124) {
7668 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7669 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7671 local->wstats.qual.noise = 0;
7672 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7675 /* Packets discarded in the wireless adapter due to wireless
7676 * specific problems */
7677 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7678 local->wstats.discard.code = vals[6];/* RxWepErr */
7679 local->wstats.discard.fragment = vals[30];
7680 local->wstats.discard.retries = vals[10];
7681 local->wstats.discard.misc = vals[1] + vals[32];
7682 local->wstats.miss.beacon = vals[34];
7685 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7687 struct airo_info *local = dev->priv;
7689 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7690 /* Get stats out of the card if available */
7691 if (down_trylock(&local->sem) != 0) {
7692 set_bit(JOB_WSTATS, &local->jobs);
7693 wake_up_interruptible(&local->thr_wait);
7695 airo_read_wireless_stats(local);
7698 return &local->wstats;
7703 * This just translates from driver IOCTL codes to the command codes to
7704 * feed to the radio's host interface. Things can be added/deleted
7705 * as needed. This represents the READ side of control I/O to
7708 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7709 unsigned short ridcode;
7710 unsigned char *iobuf;
7712 struct airo_info *ai = dev->priv;
7714 if (test_bit(FLAG_FLASHING, &ai->flags))
7717 switch(comp->command)
7719 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7720 case AIROGCFG: ridcode = RID_CONFIG;
7721 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7722 disable_MAC (ai, 1);
7723 writeConfigRid (ai, 1);
7727 case AIROGSLIST: ridcode = RID_SSID; break;
7728 case AIROGVLIST: ridcode = RID_APLIST; break;
7729 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7730 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7731 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7732 /* Only super-user can read WEP keys */
7733 if (!capable(CAP_NET_ADMIN))
7736 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7737 /* Only super-user can read WEP keys */
7738 if (!capable(CAP_NET_ADMIN))
7741 case AIROGSTAT: ridcode = RID_STATUS; break;
7742 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7743 case AIROGSTATSC32: ridcode = RID_STATS; break;
7745 if (copy_to_user(comp->data, &ai->micstats,
7746 min((int)comp->len,(int)sizeof(ai->micstats))))
7749 case AIRORRID: ridcode = comp->ridnum; break;
7755 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7758 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7759 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7760 * then return it to the user
7761 * 9/22/2000 Honor user given length
7765 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7774 * Danger Will Robinson write the rids here
7777 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7778 struct airo_info *ai = dev->priv;
7781 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7782 unsigned char *iobuf;
7784 /* Only super-user can write RIDs */
7785 if (!capable(CAP_NET_ADMIN))
7788 if (test_bit(FLAG_FLASHING, &ai->flags))
7792 writer = do_writerid;
7794 switch(comp->command)
7796 case AIROPSIDS: ridcode = RID_SSID; break;
7797 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7798 case AIROPAPLIST: ridcode = RID_APLIST; break;
7799 case AIROPCFG: ai->config.len = 0;
7800 clear_bit(FLAG_COMMIT, &ai->flags);
7801 ridcode = RID_CONFIG; break;
7802 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7803 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7804 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7805 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7807 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7808 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7810 /* this is not really a rid but a command given to the card
7814 if (enable_MAC(ai, 1) != 0)
7819 * Evidently this code in the airo driver does not get a symbol
7820 * as disable_MAC. it's probably so short the compiler does not gen one.
7826 /* This command merely clears the counts does not actually store any data
7827 * only reads rid. But as it changes the cards state, I put it in the
7828 * writerid routines.
7831 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7834 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7836 enabled = ai->micstats.enabled;
7837 memset(&ai->micstats,0,sizeof(ai->micstats));
7838 ai->micstats.enabled = enabled;
7840 if (copy_to_user(comp->data, iobuf,
7841 min((int)comp->len, (int)RIDSIZE))) {
7849 return -EOPNOTSUPP; /* Blarg! */
7851 if(comp->len > RIDSIZE)
7854 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7857 if (copy_from_user(iobuf,comp->data,comp->len)) {
7862 if (comp->command == AIROPCFG) {
7863 ConfigRid *cfg = (ConfigRid *)iobuf;
7865 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7866 cfg->opmode |= cpu_to_le16(MODE_MIC);
7868 if ((le16_to_cpu(cfg->opmode) & 0xFF) == MODE_STA_IBSS)
7869 set_bit (FLAG_ADHOC, &ai->flags);
7871 clear_bit (FLAG_ADHOC, &ai->flags);
7874 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7882 /*****************************************************************************
7883 * Ancillary flash / mod functions much black magic lurkes here *
7884 *****************************************************************************
7888 * Flash command switch table
7891 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7894 /* Only super-user can modify flash */
7895 if (!capable(CAP_NET_ADMIN))
7898 switch(comp->command)
7901 return cmdreset((struct airo_info *)dev->priv);
7904 if (!((struct airo_info *)dev->priv)->flash &&
7905 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7907 return setflashmode((struct airo_info *)dev->priv);
7909 case AIROFLSHGCHR: /* Get char from aux */
7910 if(comp->len != sizeof(int))
7912 if (copy_from_user(&z,comp->data,comp->len))
7914 return flashgchar((struct airo_info *)dev->priv,z,8000);
7916 case AIROFLSHPCHR: /* Send char to card. */
7917 if(comp->len != sizeof(int))
7919 if (copy_from_user(&z,comp->data,comp->len))
7921 return flashpchar((struct airo_info *)dev->priv,z,8000);
7923 case AIROFLPUTBUF: /* Send 32k to card */
7924 if (!((struct airo_info *)dev->priv)->flash)
7926 if(comp->len > FLASHSIZE)
7928 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7931 flashputbuf((struct airo_info *)dev->priv);
7935 if(flashrestart((struct airo_info *)dev->priv,dev))
7942 #define FLASH_COMMAND 0x7e7e
7946 * Disable MAC and do soft reset on
7950 static int cmdreset(struct airo_info *ai) {
7954 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7958 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7960 ssleep(1); /* WAS 600 12/7/00 */
7963 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7970 * Put the card in legendary flash
7974 static int setflashmode (struct airo_info *ai) {
7975 set_bit (FLAG_FLASHING, &ai->flags);
7977 OUT4500(ai, SWS0, FLASH_COMMAND);
7978 OUT4500(ai, SWS1, FLASH_COMMAND);
7980 OUT4500(ai, SWS0, FLASH_COMMAND);
7981 OUT4500(ai, COMMAND,0x10);
7983 OUT4500(ai, SWS2, FLASH_COMMAND);
7984 OUT4500(ai, SWS3, FLASH_COMMAND);
7985 OUT4500(ai, COMMAND,0);
7987 msleep(500); /* 500ms delay */
7990 clear_bit (FLAG_FLASHING, &ai->flags);
7991 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7997 /* Put character to SWS0 wait for dwelltime
8001 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8012 /* Wait for busy bit d15 to go false indicating buffer empty */
8013 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8018 /* timeout for busy clear wait */
8020 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8024 /* Port is clear now write byte and wait for it to echo back */
8026 OUT4500(ai,SWS0,byte);
8029 echo = IN4500(ai,SWS1);
8030 } while (dwelltime >= 0 && echo != byte);
8034 return (echo == byte) ? 0 : -EIO;
8038 * Get a character from the card matching matchbyte
8041 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8043 unsigned char rbyte=0;
8046 rchar = IN4500(ai,SWS1);
8048 if(dwelltime && !(0x8000 & rchar)){
8053 rbyte = 0xff & rchar;
8055 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8059 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8063 }while(dwelltime > 0);
8068 * Transfer 32k of firmware data from user buffer to our buffer and
8072 static int flashputbuf(struct airo_info *ai){
8076 if (test_bit(FLAG_MPI,&ai->flags))
8077 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8079 OUT4500(ai,AUXPAGE,0x100);
8080 OUT4500(ai,AUXOFF,0);
8082 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8083 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8086 OUT4500(ai,SWS0,0x8000);
8094 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8097 ssleep(1); /* Added 12/7/00 */
8098 clear_bit (FLAG_FLASHING, &ai->flags);
8099 if (test_bit(FLAG_MPI, &ai->flags)) {
8100 status = mpi_init_descriptors(ai);
8101 if (status != SUCCESS)
8104 status = setup_card(ai, dev->dev_addr, 1);
8106 if (!test_bit(FLAG_MPI,&ai->flags))
8107 for( i = 0; i < MAX_FIDS; i++ ) {
8108 ai->fids[i] = transmit_allocate
8109 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8112 ssleep(1); /* Added 12/7/00 */
8115 #endif /* CISCO_EXT */
8118 This program is free software; you can redistribute it and/or
8119 modify it under the terms of the GNU General Public License
8120 as published by the Free Software Foundation; either version 2
8121 of the License, or (at your option) any later version.
8123 This program is distributed in the hope that it will be useful,
8124 but WITHOUT ANY WARRANTY; without even the implied warranty of
8125 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8126 GNU General Public License for more details.
8130 Redistribution and use in source and binary forms, with or without
8131 modification, are permitted provided that the following conditions
8134 1. Redistributions of source code must retain the above copyright
8135 notice, this list of conditions and the following disclaimer.
8136 2. Redistributions in binary form must reproduce the above copyright
8137 notice, this list of conditions and the following disclaimer in the
8138 documentation and/or other materials provided with the distribution.
8139 3. The name of the author may not be used to endorse or promote
8140 products derived from this software without specific prior written
8143 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8144 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8145 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8146 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8147 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8148 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8149 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8150 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8151 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8152 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8153 POSSIBILITY OF SUCH DAMAGE.
8156 module_init(airo_init_module);
8157 module_exit(airo_cleanup_module);