1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/config.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
39 #include <asm/system.h>
41 #include <linux/netdevice.h>
42 #include <linux/etherdevice.h>
43 #include <linux/skbuff.h>
44 #include <linux/if_arp.h>
45 #include <linux/ioport.h>
46 #include <linux/pci.h>
47 #include <asm/uaccess.h>
50 static struct pci_device_id card_ids[] = {
51 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
52 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
53 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
54 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
55 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
56 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
57 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
60 MODULE_DEVICE_TABLE(pci, card_ids);
62 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
63 static void airo_pci_remove(struct pci_dev *);
64 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
65 static int airo_pci_resume(struct pci_dev *pdev);
67 static struct pci_driver airo_driver = {
70 .probe = airo_pci_probe,
71 .remove = __devexit_p(airo_pci_remove),
72 .suspend = airo_pci_suspend,
73 .resume = airo_pci_resume,
75 #endif /* CONFIG_PCI */
77 /* Include Wireless Extension definition and check version - Jean II */
78 #include <linux/wireless.h>
79 #define WIRELESS_SPY // enable iwspy support
80 #include <net/iw_handler.h> // New driver API
82 #define CISCO_EXT // enable Cisco extensions
84 #include <linux/delay.h>
87 /* Support Cisco MIC feature */
90 #if defined(MICSUPPORT) && !defined(CONFIG_CRYPTO)
91 #warning MIC support requires Crypto API
95 /* Hack to do some power saving */
98 /* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
104 #define IGNLABEL(comment) NULL
105 static char *statsLabels[] = {
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
208 #define RUN_AT(x) (jiffies+(x))
212 /* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
217 static int basic_rate;
218 static char *ssids[3];
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe = 1;
234 static int proc_uid /* = 0 */;
236 static int proc_gid /* = 0 */;
238 static int airo_perm = 0555;
240 static int proc_perm = 0644;
242 MODULE_AUTHOR("Benjamin Reed");
243 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246 MODULE_LICENSE("Dual BSD/GPL");
247 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248 module_param_array(io, int, NULL, 0);
249 module_param_array(irq, int, NULL, 0);
250 module_param(basic_rate, int, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255 the authentication options until an association is made. The value of \
256 auto_wep is number of the wep keys to check. A value of 2 will try using \
257 the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260 than seems to work better for older cards with some older buses. Before \
261 switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265 Older cards used to be limited to 2mbs (4).");
266 module_param(adhoc, int, 0);
267 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268 module_param(probe, int, 0);
269 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271 module_param(proc_uid, int, 0);
272 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273 module_param(proc_gid, int, 0);
274 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275 module_param(airo_perm, int, 0);
276 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277 module_param(proc_perm, int, 0);
278 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280 /* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283 static int do8bitIO = 0;
292 #define MAC_ENABLE 0x0001
293 #define MAC_DISABLE 0x0002
294 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295 #define CMD_SOFTRESET 0x0004
296 #define HOSTSLEEP 0x0005
297 #define CMD_MAGIC_PKT 0x0006
298 #define CMD_SETWAKEMASK 0x0007
299 #define CMD_READCFG 0x0008
300 #define CMD_SETMODE 0x0009
301 #define CMD_ALLOCATETX 0x000a
302 #define CMD_TRANSMIT 0x000b
303 #define CMD_DEALLOCATETX 0x000c
305 #define CMD_WORKAROUND 0x0011
306 #define CMD_ALLOCATEAUX 0x0020
307 #define CMD_ACCESS 0x0021
308 #define CMD_PCIBAP 0x0022
309 #define CMD_PCIAUX 0x0023
310 #define CMD_ALLOCBUF 0x0028
311 #define CMD_GETTLV 0x0029
312 #define CMD_PUTTLV 0x002a
313 #define CMD_DELTLV 0x002b
314 #define CMD_FINDNEXTTLV 0x002c
315 #define CMD_PSPNODES 0x0030
316 #define CMD_SETCW 0x0031
317 #define CMD_SETPCF 0x0032
318 #define CMD_SETPHYREG 0x003e
319 #define CMD_TXTEST 0x003f
320 #define MAC_ENABLETX 0x0101
321 #define CMD_LISTBSS 0x0103
322 #define CMD_SAVECFG 0x0108
323 #define CMD_ENABLEAUX 0x0111
324 #define CMD_WRITERID 0x0121
325 #define CMD_USEPSPNODES 0x0130
326 #define MAC_ENABLERX 0x0201
329 #define ERROR_QUALIF 0x00
330 #define ERROR_ILLCMD 0x01
331 #define ERROR_ILLFMT 0x02
332 #define ERROR_INVFID 0x03
333 #define ERROR_INVRID 0x04
334 #define ERROR_LARGE 0x05
335 #define ERROR_NDISABL 0x06
336 #define ERROR_ALLOCBSY 0x07
337 #define ERROR_NORD 0x0B
338 #define ERROR_NOWR 0x0C
339 #define ERROR_INVFIDTX 0x0D
340 #define ERROR_TESTACT 0x0E
341 #define ERROR_TAGNFND 0x12
342 #define ERROR_DECODE 0x20
343 #define ERROR_DESCUNAV 0x21
344 #define ERROR_BADLEN 0x22
345 #define ERROR_MODE 0x80
346 #define ERROR_HOP 0x81
347 #define ERROR_BINTER 0x82
348 #define ERROR_RXMODE 0x83
349 #define ERROR_MACADDR 0x84
350 #define ERROR_RATES 0x85
351 #define ERROR_ORDER 0x86
352 #define ERROR_SCAN 0x87
353 #define ERROR_AUTH 0x88
354 #define ERROR_PSMODE 0x89
355 #define ERROR_RTYPE 0x8A
356 #define ERROR_DIVER 0x8B
357 #define ERROR_SSID 0x8C
358 #define ERROR_APLIST 0x8D
359 #define ERROR_AUTOWAKE 0x8E
360 #define ERROR_LEAP 0x8F
371 #define LINKSTAT 0x10
375 #define TXALLOCFID 0x22
376 #define TXCOMPLFID 0x24
391 /* Offset into aux memory for descriptors */
392 #define AUX_OFFSET 0x800
393 /* Size of allocated packets */
396 /* Size of the transmit queue */
400 #define BAP0 0 // Used for receiving packets
401 #define BAP1 2 // Used for xmiting packets and working with RIDS
404 #define COMMAND_BUSY 0x8000
406 #define BAP_BUSY 0x8000
407 #define BAP_ERR 0x4000
408 #define BAP_DONE 0x2000
410 #define PROMISC 0xffff
411 #define NOPROMISC 0x0000
414 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_TXEXC 0x04
418 #define EV_ALLOC 0x08
420 #define EV_AWAKE 0x100
421 #define EV_TXCPY 0x400
422 #define EV_UNKNOWN 0x800
423 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424 #define EV_AWAKEN 0x2000
425 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427 #ifdef CHECK_UNKNOWN_INTS
428 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #define IGNORE_INTS (~STATUS_INTS)
437 #define RID_CAPABILITIES 0xFF00
438 #define RID_APINFO 0xFF01
439 #define RID_RADIOINFO 0xFF02
440 #define RID_UNKNOWN3 0xFF03
441 #define RID_RSSI 0xFF04
442 #define RID_CONFIG 0xFF10
443 #define RID_SSID 0xFF11
444 #define RID_APLIST 0xFF12
445 #define RID_DRVNAME 0xFF13
446 #define RID_ETHERENCAP 0xFF14
447 #define RID_WEP_TEMP 0xFF15
448 #define RID_WEP_PERM 0xFF16
449 #define RID_MODULATION 0xFF17
450 #define RID_OPTIONS 0xFF18
451 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452 #define RID_FACTORYCONFIG 0xFF21
453 #define RID_UNKNOWN22 0xFF22
454 #define RID_LEAPUSERNAME 0xFF23
455 #define RID_LEAPPASSWORD 0xFF24
456 #define RID_STATUS 0xFF50
457 #define RID_BEACON_HST 0xFF51
458 #define RID_BUSY_HST 0xFF52
459 #define RID_RETRIES_HST 0xFF53
460 #define RID_UNKNOWN54 0xFF54
461 #define RID_UNKNOWN55 0xFF55
462 #define RID_UNKNOWN56 0xFF56
463 #define RID_MIC 0xFF57
464 #define RID_STATS16 0xFF60
465 #define RID_STATS16DELTA 0xFF61
466 #define RID_STATS16DELTACLEAR 0xFF62
467 #define RID_STATS 0xFF68
468 #define RID_STATSDELTA 0xFF69
469 #define RID_STATSDELTACLEAR 0xFF6A
470 #define RID_ECHOTEST_RID 0xFF70
471 #define RID_ECHOTEST_RESULTS 0xFF71
472 #define RID_BSSLISTFIRST 0xFF72
473 #define RID_BSSLISTNEXT 0xFF73
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
495 /* This is redundant for x86 archs, but it seems necessary for ARM */
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
508 /* These structures are from the Aironet's PC4500 Developers Manual */
522 #define MOD_DEFAULT 0
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530 #define MODE_STA_IBSS 0
531 #define MODE_STA_ESS 1
533 #define MODE_AP_RPTR 3
534 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542 #define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544 #define RXMODE_BC_MC_ADDR 0
545 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
546 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547 #define RXMODE_RFMON 3 /* wireless monitor mode */
548 #define RXMODE_RFMON_ANYBSS 4
549 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u8 macAddr[ETH_ALEN];
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
562 u16 u16deviceType; /* for overriding device type */
566 /*---------- Scanning/Associating ----------*/
568 #define SCANMODE_ACTIVE 0
569 #define SCANMODE_PASSIVE 1
570 #define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
578 #define AUTH_OPEN 0x1
579 #define AUTH_ENCRYPT 0x101
580 #define AUTH_SHAREDKEY 0x102
581 #define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
587 u16 maxBeaconLostTime;
589 #define DISABLE_REFRESH 0xFFFF
591 /*---------- Power save operation ----------*/
593 #define POWERSAVE_CAM 0
594 #define POWERSAVE_PSP 1
595 #define POWERSAVE_PSPCAM 2
598 u16 fastListenInterval;
602 /*---------- Ap/Ibss config items ----------*/
611 /*---------- Radio configuration ----------*/
613 #define RADIOTYPE_DEFAULT 0
614 #define RADIOTYPE_802_11 1
615 #define RADIOTYPE_LEGACY 2
619 #define TXPOWER_DEFAULT 0
621 #define RSSI_DEFAULT 0
623 #define PREAMBLE_AUTO 0
624 #define PREAMBLE_LONG 1
625 #define PREAMBLE_SHORT 2
629 /*---------- Aironet Extensions ----------*/
635 /*---------- Aironet Extensions ----------*/
637 #define MAGIC_ACTION_STSCHG 1
638 #define MAGIC_ACTION_RESUME 2
639 #define MAGIC_IGNORE_MCAST (1<<8)
640 #define MAGIC_IGNORE_BCAST (1<<9)
641 #define MAGIC_SWITCH_TO_PSP (0<<10)
642 #define MAGIC_STAY_IN_CAM (1<<10)
656 u8 bssid[4][ETH_ALEN];
670 u16 normalizedSignalStrength;
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
682 #define STAT_NOPACKETS 0
683 #define STAT_NOCARRIERSET 10
684 #define STAT_GOTCARRIERSET 11
685 #define STAT_WRONGSSID 20
686 #define STAT_BADCHANNEL 25
687 #define STAT_BADBITRATES 30
688 #define STAT_BADPRIVACY 35
689 #define STAT_APFOUND 40
690 #define STAT_APREJECTED 50
691 #define STAT_AUTHENTICATING 60
692 #define STAT_DEAUTHENTICATED 61
693 #define STAT_AUTHTIMEOUT 62
694 #define STAT_ASSOCIATING 70
695 #define STAT_DEASSOCIATED 71
696 #define STAT_ASSOCTIMEOUT 72
697 #define STAT_NOTAIROAP 73
698 #define STAT_ASSOCIATED 80
699 #define STAT_LEAPING 90
700 #define STAT_LEAPFAILED 91
701 #define STAT_LEAPTIMEDOUT 92
702 #define STAT_LEAPCOMPLETE 93
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
729 char callid[ETH_ALEN];
730 char supportedRates[8];
733 u16 txPowerLevels[8];
748 u16 index; /* First is 0 and 0xffff means end of list */
749 #define RADIO_FH 1 /* Frequency hopping radio type */
750 #define RADIO_DS 2 /* Direct sequence radio type */
751 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
753 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
758 #define CAP_ESS (1<<0)
759 #define CAP_IBSS (1<<1)
760 #define CAP_PRIVACY (1<<4)
761 #define CAP_SHORTHDR (1<<5)
764 u8 rates[8]; /* Same as rates for config rid */
765 struct { /* For frequency hopping only */
819 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
820 #define TXCTL_TXEX (1<<2) /* report if tx fails */
821 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
822 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
823 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
824 #define TXCTL_LLC (1<<4) /* payload is llc */
825 #define TXCTL_RELEASE (0<<5) /* release after completion */
826 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
828 #define BUSY_FID 0x10000
831 #define AIROMAGIC 0xa55a
832 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
833 #ifdef SIOCIWFIRSTPRIV
834 #ifdef SIOCDEVPRIVATE
835 #define AIROOLDIOCTL SIOCDEVPRIVATE
836 #define AIROOLDIDIFC AIROOLDIOCTL + 1
837 #endif /* SIOCDEVPRIVATE */
838 #else /* SIOCIWFIRSTPRIV */
839 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
840 #endif /* SIOCIWFIRSTPRIV */
841 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
842 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
843 * only and don't return the modified struct ifreq to the application which
844 * is usually a problem. - Jean II */
845 #define AIROIOCTL SIOCIWFIRSTPRIV
846 #define AIROIDIFC AIROIOCTL + 1
848 /* Ioctl constants to be used in airo_ioctl.command */
850 #define AIROGCAP 0 // Capability rid
851 #define AIROGCFG 1 // USED A LOT
852 #define AIROGSLIST 2 // System ID list
853 #define AIROGVLIST 3 // List of specified AP's
854 #define AIROGDRVNAM 4 // NOTUSED
855 #define AIROGEHTENC 5 // NOTUSED
856 #define AIROGWEPKTMP 6
857 #define AIROGWEPKNV 7
859 #define AIROGSTATSC32 9
860 #define AIROGSTATSD32 10
861 #define AIROGMICRID 11
862 #define AIROGMICSTATS 12
863 #define AIROGFLAGS 13
866 #define AIRORSWVERSION 17
868 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
870 #define AIROPCAP AIROGSTATSD32 + 40
871 #define AIROPVLIST AIROPCAP + 1
872 #define AIROPSLIST AIROPVLIST + 1
873 #define AIROPCFG AIROPSLIST + 1
874 #define AIROPSIDS AIROPCFG + 1
875 #define AIROPAPLIST AIROPSIDS + 1
876 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
877 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
878 #define AIROPSTCLR AIROPMACOFF + 1
879 #define AIROPWEPKEY AIROPSTCLR + 1
880 #define AIROPWEPKEYNV AIROPWEPKEY + 1
881 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
882 #define AIROPLEAPUSR AIROPLEAPPWD + 1
886 #define AIROFLSHRST AIROPWEPKEYNV + 40
887 #define AIROFLSHGCHR AIROFLSHRST + 1
888 #define AIROFLSHSTFL AIROFLSHGCHR + 1
889 #define AIROFLSHPCHR AIROFLSHSTFL + 1
890 #define AIROFLPUTBUF AIROFLSHPCHR + 1
891 #define AIRORESTART AIROFLPUTBUF + 1
893 #define FLASHSIZE 32768
894 #define AUXMEMSIZE (256 * 1024)
896 typedef struct aironet_ioctl {
897 unsigned short command; // What to do
898 unsigned short len; // Len of data
899 unsigned short ridnum; // rid number
900 unsigned char __user *data; // d-data
903 static char *swversion = "2.1";
904 #endif /* CISCO_EXT */
906 #define NUM_MODULES 2
907 #define MIC_MSGLEN_MAX 2400
908 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
912 u8 enabled; // MIC enabled or not
913 u32 rxSuccess; // successful packets received
914 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
915 u32 rxNotMICed; // pkts dropped due to not being MIC'd
916 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
917 u32 rxWrongSequence; // pkts dropped due to sequence number violation
922 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
923 u64 accum; // accumulated mic, reduced to u32 in final()
924 int position; // current position (byte offset) in message
928 } part; // saves partial message word across update() calls
932 emmh32_context seed; // Context - the seed
933 u32 rx; // Received sequence number
934 u32 tx; // Tx sequence number
935 u32 window; // Start of window
936 u8 valid; // Flag to say if context is valid or not
941 miccntx mCtx; // Multicast context
942 miccntx uCtx; // Unicast context
946 unsigned int rid: 16;
947 unsigned int len: 15;
948 unsigned int valid: 1;
949 dma_addr_t host_addr;
953 unsigned int offset: 15;
955 unsigned int len: 15;
956 unsigned int valid: 1;
957 dma_addr_t host_addr;
961 unsigned int ctl: 15;
963 unsigned int len: 15;
964 unsigned int valid: 1;
965 dma_addr_t host_addr;
969 * Host receive descriptor
972 unsigned char __iomem *card_ram_off; /* offset into card memory of the
974 RxFid rx_desc; /* card receive descriptor */
975 char *virtual_host_addr; /* virtual address of host receive
981 * Host transmit descriptor
984 unsigned char __iomem *card_ram_off; /* offset into card memory of the
986 TxFid tx_desc; /* card transmit descriptor */
987 char *virtual_host_addr; /* virtual address of host receive
993 * Host RID descriptor
996 unsigned char __iomem *card_ram_off; /* offset into card memory of the
998 Rid rid_desc; /* card RID descriptor */
999 char *virtual_host_addr; /* virtual address of host receive
1008 #define HOST_SET (1 << 0)
1009 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1010 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1011 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1012 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1013 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1014 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1015 #define HOST_RTS (1 << 9) /* Force RTS use */
1016 #define HOST_SHORT (1 << 10) /* Do short preamble */
1043 WifiCtlHdr wifictlhdr8023 = {
1045 .ctl = HOST_DONT_RLSE,
1050 // Frequency list (map channels to frequencies)
1051 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1052 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1054 // A few details needed for WEP (Wireless Equivalent Privacy)
1055 #define MAX_KEY_SIZE 13 // 128 (?) bits
1056 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1057 typedef struct wep_key_t {
1059 u8 key[16]; /* 40-bit and 104-bit keys */
1062 /* Backward compatibility */
1063 #ifndef IW_ENCODE_NOKEY
1064 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1065 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1066 #endif /* IW_ENCODE_NOKEY */
1068 /* List of Wireless Handlers (new API) */
1069 static const struct iw_handler_def airo_handler_def;
1070 #endif /* WIRELESS_EXT */
1072 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1076 static int get_dec_u16( char *buffer, int *start, int limit );
1077 static void OUT4500( struct airo_info *, u16 register, u16 value );
1078 static unsigned short IN4500( struct airo_info *, u16 register );
1079 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1080 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1081 static void disable_MAC(struct airo_info *ai, int lock);
1082 static void enable_interrupts(struct airo_info*);
1083 static void disable_interrupts(struct airo_info*);
1084 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1085 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1086 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1088 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1090 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1092 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1093 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1094 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1095 *pBuf, int len, int lock);
1096 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1097 int len, int dummy );
1098 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1099 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1100 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1102 static int mpi_send_packet (struct net_device *dev);
1103 static void mpi_unmap_card(struct pci_dev *pci);
1104 static void mpi_receive_802_3(struct airo_info *ai);
1105 static void mpi_receive_802_11(struct airo_info *ai);
1106 static int waitbusy (struct airo_info *ai);
1108 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1110 static int airo_thread(void *data);
1111 static void timer_func( struct net_device *dev );
1112 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1114 struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1115 static void airo_read_wireless_stats (struct airo_info *local);
1116 #endif /* WIRELESS_EXT */
1118 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1119 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1120 int flashcard(struct net_device *dev, aironet_ioctl *comp);
1121 #endif /* CISCO_EXT */
1123 static void micinit(struct airo_info *ai);
1124 static int micsetup(struct airo_info *ai);
1125 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1126 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1128 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1129 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1131 #include <linux/crypto.h>
1135 struct net_device_stats stats;
1136 struct net_device *dev;
1137 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1138 use the high bit to mark whether it is in use. */
1140 #define MPI_MAX_FIDS 1
1143 char keyindex; // Used with auto wep
1144 char defindex; // Used with auto wep
1145 struct proc_dir_entry *proc_entry;
1146 spinlock_t aux_lock;
1147 unsigned long flags;
1148 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1149 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1150 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1151 #define FLAG_RADIO_MASK 0x03
1152 #define FLAG_ENABLED 2
1153 #define FLAG_ADHOC 3 /* Needed by MIC */
1154 #define FLAG_MIC_CAPABLE 4
1155 #define FLAG_UPDATE_MULTI 5
1156 #define FLAG_UPDATE_UNI 6
1157 #define FLAG_802_11 7
1158 #define FLAG_PENDING_XMIT 9
1159 #define FLAG_PENDING_XMIT11 10
1161 #define FLAG_REGISTERED 12
1162 #define FLAG_COMMIT 13
1163 #define FLAG_RESET 14
1164 #define FLAG_FLASHING 15
1165 #define JOB_MASK 0x1ff0000
1168 #define JOB_XMIT11 18
1169 #define JOB_STATS 19
1170 #define JOB_PROMISC 20
1172 #define JOB_EVENT 22
1173 #define JOB_AUTOWEP 23
1174 #define JOB_WSTATS 24
1175 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1177 unsigned short *flash;
1179 struct task_struct *task;
1180 struct semaphore sem;
1182 wait_queue_head_t thr_wait;
1183 struct completion thr_exited;
1184 unsigned long expires;
1186 struct sk_buff *skb;
1189 struct net_device *wifidev;
1191 struct iw_statistics wstats; // wireless stats
1192 unsigned long scan_timestamp; /* Time started to scan */
1193 struct iw_spy_data spy_data;
1194 struct iw_public_data wireless_data;
1195 #endif /* WIRELESS_EXT */
1198 struct crypto_tfm *tfm;
1200 mic_statistics micstats;
1202 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1203 HostTxDesc txfids[MPI_MAX_FIDS];
1204 HostRidDesc config_desc;
1205 unsigned long ridbus; // phys addr of config_desc
1206 struct sk_buff_head txq;// tx queue used by mpi350 code
1207 struct pci_dev *pci;
1208 unsigned char __iomem *pcimem;
1209 unsigned char __iomem *pciaux;
1210 unsigned char *shared;
1211 dma_addr_t shared_dma;
1215 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1216 char proc_name[IFNAMSIZ];
1219 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1221 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1224 static int setup_proc_entry( struct net_device *dev,
1225 struct airo_info *apriv );
1226 static int takedown_proc_entry( struct net_device *dev,
1227 struct airo_info *apriv );
1230 /***********************************************************************
1232 ***********************************************************************
1235 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1236 static void MoveWindow(miccntx *context, u32 micSeq);
1237 void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1238 void emmh32_init(emmh32_context *context);
1239 void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1240 void emmh32_final(emmh32_context *context, u8 digest[4]);
1242 /* micinit - Initialize mic seed */
1244 static void micinit(struct airo_info *ai)
1248 clear_bit(JOB_MIC, &ai->flags);
1249 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1252 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1254 if (ai->micstats.enabled) {
1255 /* Key must be valid and different */
1256 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1257 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1258 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1259 /* Age current mic Context */
1260 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1261 /* Initialize new context */
1262 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1263 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1264 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1265 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1266 ai->mod[0].mCtx.valid = 1; //Key is now valid
1268 /* Give key to mic seed */
1269 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1272 /* Key must be valid and different */
1273 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1274 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1275 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1276 /* Age current mic Context */
1277 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1278 /* Initialize new context */
1279 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1281 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1282 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1283 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1284 ai->mod[0].uCtx.valid = 1; //Key is now valid
1286 //Give key to mic seed
1287 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1290 /* So next time we have a valid key and mic is enabled, we will update
1291 * the sequence number if the key is the same as before.
1293 ai->mod[0].uCtx.valid = 0;
1294 ai->mod[0].mCtx.valid = 0;
1298 /* micsetup - Get ready for business */
1300 static int micsetup(struct airo_info *ai) {
1303 if (ai->tfm == NULL)
1304 ai->tfm = crypto_alloc_tfm("aes", 0);
1306 if (ai->tfm == NULL) {
1307 printk(KERN_ERR "airo: failed to load transform for AES\n");
1311 for (i=0; i < NUM_MODULES; i++) {
1312 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1313 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1318 char micsnap[]= {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1320 /*===========================================================================
1321 * Description: Mic a packet
1323 * Inputs: etherHead * pointer to an 802.3 frame
1325 * Returns: BOOLEAN if successful, otherwise false.
1326 * PacketTxLen will be updated with the mic'd packets size.
1328 * Caveats: It is assumed that the frame buffer will already
1329 * be big enough to hold the largets mic message possible.
1330 * (No memory allocation is done here).
1332 * Author: sbraneky (10/15/01)
1333 * Merciless hacks by rwilcher (1/14/02)
1336 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1340 // Determine correct context
1341 // If not adhoc, always use unicast key
1343 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1344 context = &ai->mod[0].mCtx;
1346 context = &ai->mod[0].uCtx;
1348 if (!context->valid)
1351 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1353 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1356 mic->seq = htonl(context->tx);
1359 emmh32_init(&context->seed); // Mic the packet
1360 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1361 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1362 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1363 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1364 emmh32_final(&context->seed, (u8*)&mic->mic);
1366 /* New Type/length ?????????? */
1367 mic->typelen = 0; //Let NIC know it could be an oversized packet
1379 /*===========================================================================
1380 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1381 * (removes the MIC stuff) if packet is a valid packet.
1383 * Inputs: etherHead pointer to the 802.3 packet
1385 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1387 * Author: sbraneky (10/15/01)
1388 * Merciless hacks by rwilcher (1/14/02)
1389 *---------------------------------------------------------------------------
1392 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1398 mic_error micError = NONE;
1400 // Check if the packet is a Mic'd packet
1402 if (!ai->micstats.enabled) {
1403 //No Mic set or Mic OFF but we received a MIC'd packet.
1404 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1405 ai->micstats.rxMICPlummed++;
1411 if (ntohs(mic->typelen) == 0x888E)
1414 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1415 // Mic enabled but packet isn't Mic'd
1416 ai->micstats.rxMICPlummed++;
1420 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1422 //At this point we a have a mic'd packet and mic is enabled
1423 //Now do the mic error checking.
1425 //Receive seq must be odd
1426 if ( (micSEQ & 1) == 0 ) {
1427 ai->micstats.rxWrongSequence++;
1431 for (i = 0; i < NUM_MODULES; i++) {
1432 int mcast = eth->da[0] & 1;
1433 //Determine proper context
1434 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1436 //Make sure context is valid
1437 if (!context->valid) {
1439 micError = NOMICPLUMMED;
1445 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1447 emmh32_init(&context->seed);
1448 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1449 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1450 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1451 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1453 emmh32_final(&context->seed, digest);
1455 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1458 micError = INCORRECTMIC;
1462 //Check Sequence number if mics pass
1463 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1464 ai->micstats.rxSuccess++;
1468 micError = SEQUENCE;
1471 // Update statistics
1473 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1474 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1475 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1482 /*===========================================================================
1483 * Description: Checks the Rx Seq number to make sure it is valid
1484 * and hasn't already been received
1486 * Inputs: miccntx - mic context to check seq against
1487 * micSeq - the Mic seq number
1489 * Returns: TRUE if valid otherwise FALSE.
1491 * Author: sbraneky (10/15/01)
1492 * Merciless hacks by rwilcher (1/14/02)
1493 *---------------------------------------------------------------------------
1496 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1500 //Allow for the ap being rebooted - if it is then use the next
1501 //sequence number of the current sequence number - might go backwards
1504 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1505 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1506 context->window = (micSeq > 33) ? micSeq : 33;
1507 context->rx = 0; // Reset rx
1509 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1510 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1511 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1512 context->rx = 0; // Reset rx
1515 //Make sequence number relative to START of window
1516 seq = micSeq - (context->window - 33);
1518 //Too old of a SEQ number to check.
1523 //Window is infinite forward
1524 MoveWindow(context,micSeq);
1528 // We are in the window. Now check the context rx bit to see if it was already sent
1529 seq >>= 1; //divide by 2 because we only have odd numbers
1530 index = 1 << seq; //Get an index number
1532 if (!(context->rx & index)) {
1533 //micSEQ falls inside the window.
1534 //Add seqence number to the list of received numbers.
1535 context->rx |= index;
1537 MoveWindow(context,micSeq);
1544 static void MoveWindow(miccntx *context, u32 micSeq)
1548 //Move window if seq greater than the middle of the window
1549 if (micSeq > context->window) {
1550 shift = (micSeq - context->window) >> 1;
1554 context->rx >>= shift;
1558 context->window = micSeq; //Move window
1562 /*==============================================*/
1563 /*========== EMMH ROUTINES ====================*/
1564 /*==============================================*/
1566 /* mic accumulate */
1567 #define MIC_ACCUM(val) \
1568 context->accum += (u64)(val) * context->coeff[coeff_position++];
1570 static unsigned char aes_counter[16];
1572 /* expand the key to fill the MMH coefficient array */
1573 void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1575 /* take the keying material, expand if necessary, truncate at 16-bytes */
1576 /* run through AES counter mode to generate context->coeff[] */
1580 u8 *cipher, plain[16];
1581 struct scatterlist sg[1];
1583 crypto_cipher_setkey(tfm, pkey, 16);
1585 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1586 aes_counter[15] = (u8)(counter >> 0);
1587 aes_counter[14] = (u8)(counter >> 8);
1588 aes_counter[13] = (u8)(counter >> 16);
1589 aes_counter[12] = (u8)(counter >> 24);
1591 memcpy (plain, aes_counter, 16);
1592 sg[0].page = virt_to_page(plain);
1593 sg[0].offset = ((long) plain & ~PAGE_MASK);
1595 crypto_cipher_encrypt(tfm, sg, sg, 16);
1596 cipher = kmap(sg[0].page) + sg[0].offset;
1597 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1598 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1604 /* prepare for calculation of a new mic */
1605 void emmh32_init(emmh32_context *context)
1607 /* prepare for new mic calculation */
1609 context->position = 0;
1612 /* add some bytes to the mic calculation */
1613 void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1615 int coeff_position, byte_position;
1617 if (len == 0) return;
1619 coeff_position = context->position >> 2;
1621 /* deal with partial 32-bit word left over from last update */
1622 byte_position = context->position & 3;
1623 if (byte_position) {
1624 /* have a partial word in part to deal with */
1626 if (len == 0) return;
1627 context->part.d8[byte_position++] = *pOctets++;
1628 context->position++;
1630 } while (byte_position < 4);
1631 MIC_ACCUM(htonl(context->part.d32));
1634 /* deal with full 32-bit words */
1636 MIC_ACCUM(htonl(*(u32 *)pOctets));
1637 context->position += 4;
1642 /* deal with partial 32-bit word that will be left over from this update */
1645 context->part.d8[byte_position++] = *pOctets++;
1646 context->position++;
1651 /* mask used to zero empty bytes for final partial word */
1652 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1654 /* calculate the mic */
1655 void emmh32_final(emmh32_context *context, u8 digest[4])
1657 int coeff_position, byte_position;
1663 coeff_position = context->position >> 2;
1665 /* deal with partial 32-bit word left over from last update */
1666 byte_position = context->position & 3;
1667 if (byte_position) {
1668 /* have a partial word in part to deal with */
1669 val = htonl(context->part.d32);
1670 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1673 /* reduce the accumulated u64 to a 32-bit MIC */
1674 sum = context->accum;
1675 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1676 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1677 sum = utmp & 0xffffffffLL;
1678 if (utmp > 0x10000000fLL)
1682 digest[0] = (val>>24) & 0xFF;
1683 digest[1] = (val>>16) & 0xFF;
1684 digest[2] = (val>>8) & 0xFF;
1685 digest[3] = val & 0xFF;
1689 static int readBSSListRid(struct airo_info *ai, int first,
1696 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1697 memset(&cmd, 0, sizeof(cmd));
1698 cmd.cmd=CMD_LISTBSS;
1699 if (down_interruptible(&ai->sem))
1700 return -ERESTARTSYS;
1701 issuecommand(ai, &cmd, &rsp);
1703 /* Let the command take effect */
1708 rc = PC4500_readrid(ai, first ? RID_BSSLISTFIRST : RID_BSSLISTNEXT,
1709 list, sizeof(*list), 1);
1711 list->len = le16_to_cpu(list->len);
1712 list->index = le16_to_cpu(list->index);
1713 list->radioType = le16_to_cpu(list->radioType);
1714 list->cap = le16_to_cpu(list->cap);
1715 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1716 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1717 list->dsChannel = le16_to_cpu(list->dsChannel);
1718 list->atimWindow = le16_to_cpu(list->atimWindow);
1719 list->dBm = le16_to_cpu(list->dBm);
1723 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1724 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1725 wkr, sizeof(*wkr), lock);
1727 wkr->len = le16_to_cpu(wkr->len);
1728 wkr->kindex = le16_to_cpu(wkr->kindex);
1729 wkr->klen = le16_to_cpu(wkr->klen);
1732 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1733 * the originals when we endian them... */
1734 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1736 WepKeyRid wkr = *pwkr;
1738 wkr.len = cpu_to_le16(wkr.len);
1739 wkr.kindex = cpu_to_le16(wkr.kindex);
1740 wkr.klen = cpu_to_le16(wkr.klen);
1741 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1742 if (rc!=SUCCESS) printk(KERN_ERR "airo: WEP_TEMP set %x\n", rc);
1744 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1746 printk(KERN_ERR "airo: WEP_PERM set %x\n", rc);
1752 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1754 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1756 ssidr->len = le16_to_cpu(ssidr->len);
1757 for(i = 0; i < 3; i++) {
1758 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1762 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1765 SsidRid ssidr = *pssidr;
1767 ssidr.len = cpu_to_le16(ssidr.len);
1768 for(i = 0; i < 3; i++) {
1769 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1771 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1774 static int readConfigRid(struct airo_info*ai, int lock) {
1782 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1786 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1788 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1789 *s = le16_to_cpu(*s);
1791 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1792 *s = le16_to_cpu(*s);
1794 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1795 *s = cpu_to_le16(*s);
1797 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1798 *s = cpu_to_le16(*s);
1803 static inline void checkThrottle(struct airo_info *ai) {
1805 /* Old hardware had a limit on encryption speed */
1806 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1807 for(i=0; i<8; i++) {
1808 if (ai->config.rates[i] > maxencrypt) {
1809 ai->config.rates[i] = 0;
1814 static int writeConfigRid(struct airo_info*ai, int lock) {
1818 if (!test_bit (FLAG_COMMIT, &ai->flags))
1821 clear_bit (FLAG_COMMIT, &ai->flags);
1822 clear_bit (FLAG_RESET, &ai->flags);
1826 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1827 set_bit(FLAG_ADHOC, &ai->flags);
1829 clear_bit(FLAG_ADHOC, &ai->flags);
1831 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1833 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1834 *s = cpu_to_le16(*s);
1836 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1837 *s = cpu_to_le16(*s);
1839 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1840 *s = cpu_to_le16(*s);
1842 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1843 *s = cpu_to_le16(*s);
1845 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1847 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1848 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1851 statr->len = le16_to_cpu(statr->len);
1852 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1854 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1855 *s = le16_to_cpu(*s);
1856 statr->load = le16_to_cpu(statr->load);
1857 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1860 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1861 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1862 aplr->len = le16_to_cpu(aplr->len);
1865 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1867 aplr->len = cpu_to_le16(aplr->len);
1868 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1871 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1872 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1875 capr->len = le16_to_cpu(capr->len);
1876 capr->prodNum = le16_to_cpu(capr->prodNum);
1877 capr->radioType = le16_to_cpu(capr->radioType);
1878 capr->country = le16_to_cpu(capr->country);
1879 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1880 *s = le16_to_cpu(*s);
1883 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1884 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1887 sr->len = le16_to_cpu(sr->len);
1888 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1892 static int airo_open(struct net_device *dev) {
1893 struct airo_info *info = dev->priv;
1896 if (test_bit(FLAG_FLASHING, &info->flags))
1899 /* Make sure the card is configured.
1900 * Wireless Extensions may postpone config changes until the card
1901 * is open (to pipeline changes and speed-up card setup). If
1902 * those changes are not yet commited, do it now - Jean II */
1903 if (test_bit (FLAG_COMMIT, &info->flags)) {
1904 disable_MAC(info, 1);
1905 writeConfigRid(info, 1);
1908 if (info->wifidev != dev) {
1909 /* Power on the MAC controller (which may have been disabled) */
1910 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1911 enable_interrupts(info);
1913 enable_MAC(info, &rsp, 1);
1915 netif_start_queue(dev);
1919 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1920 int npacks, pending;
1921 unsigned long flags;
1922 struct airo_info *ai = dev->priv;
1925 printk(KERN_ERR "airo: %s: skb==NULL\n",__FUNCTION__);
1928 npacks = skb_queue_len (&ai->txq);
1930 if (npacks >= MAXTXQ - 1) {
1931 netif_stop_queue (dev);
1932 if (npacks > MAXTXQ) {
1933 ai->stats.tx_fifo_errors++;
1936 skb_queue_tail (&ai->txq, skb);
1940 spin_lock_irqsave(&ai->aux_lock, flags);
1941 skb_queue_tail (&ai->txq, skb);
1942 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1943 spin_unlock_irqrestore(&ai->aux_lock,flags);
1944 netif_wake_queue (dev);
1947 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1948 mpi_send_packet (dev);
1956 * Attempt to transmit a packet. Can be called from interrupt
1957 * or transmit . return number of packets we tried to send
1960 static int mpi_send_packet (struct net_device *dev)
1962 struct sk_buff *skb;
1963 unsigned char *buffer;
1964 s16 len, *payloadLen;
1965 struct airo_info *ai = dev->priv;
1968 /* get a packet to send */
1970 if ((skb = skb_dequeue(&ai->txq)) == 0) {
1972 "airo: %s: Dequeue'd zero in send_packet()\n",
1977 /* check min length*/
1978 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1981 ai->txfids[0].tx_desc.offset = 0;
1982 ai->txfids[0].tx_desc.valid = 1;
1983 ai->txfids[0].tx_desc.eoc = 1;
1984 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1987 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1988 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1989 * is immediatly after it. ------------------------------------------------
1990 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1991 * ------------------------------------------------
1994 memcpy((char *)ai->txfids[0].virtual_host_addr,
1995 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1997 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
1998 sizeof(wifictlhdr8023));
1999 sendbuf = ai->txfids[0].virtual_host_addr +
2000 sizeof(wifictlhdr8023) + 2 ;
2003 * Firmware automaticly puts 802 header on so
2004 * we don't need to account for it in the length
2007 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2008 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2011 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2014 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2015 ai->txfids[0].tx_desc.len += sizeof(pMic);
2016 /* copy data into airo dma buffer */
2017 memcpy (sendbuf, buffer, sizeof(etherHead));
2018 buffer += sizeof(etherHead);
2019 sendbuf += sizeof(etherHead);
2020 memcpy (sendbuf, &pMic, sizeof(pMic));
2021 sendbuf += sizeof(pMic);
2022 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2026 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2028 dev->trans_start = jiffies;
2030 /* copy data into airo dma buffer */
2031 memcpy(sendbuf, buffer, len);
2034 memcpy_toio(ai->txfids[0].card_ram_off,
2035 &ai->txfids[0].tx_desc, sizeof(TxFid));
2037 OUT4500(ai, EVACK, 8);
2039 dev_kfree_skb_any(skb);
2043 static void get_tx_error(struct airo_info *ai, u32 fid)
2048 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2050 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2052 bap_read(ai, &status, 2, BAP0);
2054 if (le16_to_cpu(status) & 2) /* Too many retries */
2055 ai->stats.tx_aborted_errors++;
2056 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2057 ai->stats.tx_heartbeat_errors++;
2058 if (le16_to_cpu(status) & 8) /* Aid fail */
2060 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2061 ai->stats.tx_carrier_errors++;
2062 if (le16_to_cpu(status) & 0x20) /* Association lost */
2064 /* We produce a TXDROP event only for retry or lifetime
2065 * exceeded, because that's the only status that really mean
2066 * that this particular node went away.
2067 * Other errors means that *we* screwed up. - Jean II */
2068 if ((le16_to_cpu(status) & 2) ||
2069 (le16_to_cpu(status) & 4)) {
2070 union iwreq_data wrqu;
2073 /* Faster to skip over useless data than to do
2074 * another bap_setup(). We are at offset 0x6 and
2075 * need to go to 0x18 and read 6 bytes - Jean II */
2076 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2078 /* Copy 802.11 dest address.
2079 * We use the 802.11 header because the frame may
2080 * not be 802.3 or may be mangled...
2081 * In Ad-Hoc mode, it will be the node address.
2082 * In managed mode, it will be most likely the AP addr
2083 * User space will figure out how to convert it to
2084 * whatever it needs (IP address or else).
2086 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2087 wrqu.addr.sa_family = ARPHRD_ETHER;
2089 /* Send event to user space */
2090 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2094 static void airo_end_xmit(struct net_device *dev) {
2097 struct airo_info *priv = dev->priv;
2098 struct sk_buff *skb = priv->xmit.skb;
2099 int fid = priv->xmit.fid;
2100 u32 *fids = priv->fids;
2102 clear_bit(JOB_XMIT, &priv->flags);
2103 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2104 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2108 if ( status == SUCCESS ) {
2109 dev->trans_start = jiffies;
2110 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2112 priv->fids[fid] &= 0xffff;
2113 priv->stats.tx_window_errors++;
2115 if (i < MAX_FIDS / 2)
2116 netif_wake_queue(dev);
2120 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2123 struct airo_info *priv = dev->priv;
2124 u32 *fids = priv->fids;
2126 if ( skb == NULL ) {
2127 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2131 /* Find a vacant FID */
2132 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2133 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2135 if ( j >= MAX_FIDS / 2 ) {
2136 netif_stop_queue(dev);
2138 if (i == MAX_FIDS / 2) {
2139 priv->stats.tx_fifo_errors++;
2143 /* check min length*/
2144 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2145 /* Mark fid as used & save length for later */
2146 fids[i] |= (len << 16);
2147 priv->xmit.skb = skb;
2149 if (down_trylock(&priv->sem) != 0) {
2150 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2151 netif_stop_queue(dev);
2152 set_bit(JOB_XMIT, &priv->flags);
2153 wake_up_interruptible(&priv->thr_wait);
2159 static void airo_end_xmit11(struct net_device *dev) {
2162 struct airo_info *priv = dev->priv;
2163 struct sk_buff *skb = priv->xmit11.skb;
2164 int fid = priv->xmit11.fid;
2165 u32 *fids = priv->fids;
2167 clear_bit(JOB_XMIT11, &priv->flags);
2168 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2169 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2173 if ( status == SUCCESS ) {
2174 dev->trans_start = jiffies;
2175 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2177 priv->fids[fid] &= 0xffff;
2178 priv->stats.tx_window_errors++;
2181 netif_wake_queue(dev);
2185 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2188 struct airo_info *priv = dev->priv;
2189 u32 *fids = priv->fids;
2191 if (test_bit(FLAG_MPI, &priv->flags)) {
2192 /* Not implemented yet for MPI350 */
2193 netif_stop_queue(dev);
2197 if ( skb == NULL ) {
2198 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2202 /* Find a vacant FID */
2203 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2204 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2206 if ( j >= MAX_FIDS ) {
2207 netif_stop_queue(dev);
2209 if (i == MAX_FIDS) {
2210 priv->stats.tx_fifo_errors++;
2214 /* check min length*/
2215 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2216 /* Mark fid as used & save length for later */
2217 fids[i] |= (len << 16);
2218 priv->xmit11.skb = skb;
2219 priv->xmit11.fid = i;
2220 if (down_trylock(&priv->sem) != 0) {
2221 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2222 netif_stop_queue(dev);
2223 set_bit(JOB_XMIT11, &priv->flags);
2224 wake_up_interruptible(&priv->thr_wait);
2226 airo_end_xmit11(dev);
2230 static void airo_read_stats(struct airo_info *ai) {
2232 u32 *vals = stats_rid.vals;
2234 clear_bit(JOB_STATS, &ai->flags);
2239 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2242 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2243 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2244 ai->stats.rx_bytes = vals[92];
2245 ai->stats.tx_bytes = vals[91];
2246 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2247 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2248 ai->stats.multicast = vals[43];
2249 ai->stats.collisions = vals[89];
2251 /* detailed rx_errors: */
2252 ai->stats.rx_length_errors = vals[3];
2253 ai->stats.rx_crc_errors = vals[4];
2254 ai->stats.rx_frame_errors = vals[2];
2255 ai->stats.rx_fifo_errors = vals[0];
2258 struct net_device_stats *airo_get_stats(struct net_device *dev)
2260 struct airo_info *local = dev->priv;
2262 if (!test_bit(JOB_STATS, &local->flags)) {
2263 /* Get stats out of the card if available */
2264 if (down_trylock(&local->sem) != 0) {
2265 set_bit(JOB_STATS, &local->flags);
2266 wake_up_interruptible(&local->thr_wait);
2268 airo_read_stats(local);
2271 return &local->stats;
2274 static void airo_set_promisc(struct airo_info *ai) {
2278 memset(&cmd, 0, sizeof(cmd));
2279 cmd.cmd=CMD_SETMODE;
2280 clear_bit(JOB_PROMISC, &ai->flags);
2281 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2282 issuecommand(ai, &cmd, &rsp);
2286 static void airo_set_multicast_list(struct net_device *dev) {
2287 struct airo_info *ai = dev->priv;
2289 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2290 change_bit(FLAG_PROMISC, &ai->flags);
2291 if (down_trylock(&ai->sem) != 0) {
2292 set_bit(JOB_PROMISC, &ai->flags);
2293 wake_up_interruptible(&ai->thr_wait);
2295 airo_set_promisc(ai);
2298 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2299 /* Turn on multicast. (Should be already setup...) */
2303 static int airo_set_mac_address(struct net_device *dev, void *p)
2305 struct airo_info *ai = dev->priv;
2306 struct sockaddr *addr = p;
2309 readConfigRid(ai, 1);
2310 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2311 set_bit (FLAG_COMMIT, &ai->flags);
2313 writeConfigRid (ai, 1);
2314 enable_MAC(ai, &rsp, 1);
2315 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2317 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2321 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2323 if ((new_mtu < 68) || (new_mtu > 2400))
2330 static int airo_close(struct net_device *dev) {
2331 struct airo_info *ai = dev->priv;
2333 netif_stop_queue(dev);
2335 if (ai->wifidev != dev) {
2336 #ifdef POWER_ON_DOWN
2337 /* Shut power to the card. The idea is that the user can save
2338 * power when he doesn't need the card with "ifconfig down".
2339 * That's the method that is most friendly towards the network
2340 * stack (i.e. the network stack won't try to broadcast
2341 * anything on the interface and routes are gone. Jean II */
2342 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2345 disable_interrupts( ai );
2350 static void del_airo_dev( struct net_device *dev );
2352 void stop_airo_card( struct net_device *dev, int freeres )
2354 struct airo_info *ai = dev->priv;
2356 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2358 disable_interrupts(ai);
2359 free_irq( dev->irq, dev );
2360 takedown_proc_entry( dev, ai );
2361 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2362 unregister_netdev( dev );
2364 unregister_netdev(ai->wifidev);
2365 free_netdev(ai->wifidev);
2368 clear_bit(FLAG_REGISTERED, &ai->flags);
2370 set_bit(JOB_DIE, &ai->flags);
2371 kill_proc(ai->thr_pid, SIGTERM, 1);
2372 wait_for_completion(&ai->thr_exited);
2375 * Clean out tx queue
2377 if (test_bit(FLAG_MPI, &ai->flags) && skb_queue_len (&ai->txq) > 0) {
2378 struct sk_buff *skb = NULL;
2379 for (;(skb = skb_dequeue(&ai->txq));)
2392 /* PCMCIA frees this stuff, so only for PCI and ISA */
2393 release_region( dev->base_addr, 64 );
2394 if (test_bit(FLAG_MPI, &ai->flags)) {
2396 mpi_unmap_card(ai->pci);
2398 iounmap(ai->pcimem);
2400 iounmap(ai->pciaux);
2401 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2402 ai->shared, ai->shared_dma);
2407 crypto_free_tfm(ai->tfm);
2409 del_airo_dev( dev );
2413 EXPORT_SYMBOL(stop_airo_card);
2415 static int add_airo_dev( struct net_device *dev );
2417 int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2419 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2423 static void mpi_unmap_card(struct pci_dev *pci)
2425 unsigned long mem_start = pci_resource_start(pci, 1);
2426 unsigned long mem_len = pci_resource_len(pci, 1);
2427 unsigned long aux_start = pci_resource_start(pci, 2);
2428 unsigned long aux_len = AUXMEMSIZE;
2430 release_mem_region(aux_start, aux_len);
2431 release_mem_region(mem_start, mem_len);
2434 /*************************************************************
2435 * This routine assumes that descriptors have been setup .
2436 * Run at insmod time or after reset when the decriptors
2437 * have been initialized . Returns 0 if all is well nz
2438 * otherwise . Does not allocate memory but sets up card
2439 * using previously allocated descriptors.
2441 static int mpi_init_descriptors (struct airo_info *ai)
2448 /* Alloc card RX descriptors */
2449 netif_stop_queue(ai->dev);
2451 memset(&rsp,0,sizeof(rsp));
2452 memset(&cmd,0,sizeof(cmd));
2454 cmd.cmd = CMD_ALLOCATEAUX;
2456 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2457 cmd.parm2 = MPI_MAX_FIDS;
2458 rc=issuecommand(ai, &cmd, &rsp);
2459 if (rc != SUCCESS) {
2460 printk(KERN_ERR "airo: Couldn't allocate RX FID\n");
2464 for (i=0; i<MPI_MAX_FIDS; i++) {
2465 memcpy_toio(ai->rxfids[i].card_ram_off,
2466 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2469 /* Alloc card TX descriptors */
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2474 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2479 for (i=0; i<MPI_MAX_FIDS; i++) {
2480 ai->txfids[i].tx_desc.valid = 1;
2481 memcpy_toio(ai->txfids[i].card_ram_off,
2482 &ai->txfids[i].tx_desc, sizeof(TxFid));
2484 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
2488 printk(KERN_ERR "airo: Couldn't allocate TX FID\n");
2492 /* Alloc card Rid descriptor */
2493 memset(&rsp,0,sizeof(rsp));
2494 memset(&cmd,0,sizeof(cmd));
2496 cmd.cmd = CMD_ALLOCATEAUX;
2498 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2499 cmd.parm2 = 1; /* Magic number... */
2500 rc=issuecommand(ai, &cmd, &rsp);
2501 if (rc != SUCCESS) {
2502 printk(KERN_ERR "airo: Couldn't allocate RID\n");
2506 memcpy_toio(ai->config_desc.card_ram_off,
2507 &ai->config_desc.rid_desc, sizeof(Rid));
2513 * We are setting up three things here:
2514 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2515 * 2) Map PCI memory for issueing commands.
2516 * 3) Allocate memory (shared) to send and receive ethernet frames.
2518 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2521 unsigned long mem_start, mem_len, aux_start, aux_len;
2524 unsigned char *busaddroff,*vpackoff;
2525 unsigned char __iomem *pciaddroff;
2527 mem_start = pci_resource_start(pci, 1);
2528 mem_len = pci_resource_len(pci, 1);
2529 aux_start = pci_resource_start(pci, 2);
2530 aux_len = AUXMEMSIZE;
2532 if (!request_mem_region(mem_start, mem_len, name)) {
2533 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2534 (int)mem_start, (int)mem_len, name);
2537 if (!request_mem_region(aux_start, aux_len, name)) {
2538 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2539 (int)aux_start, (int)aux_len, name);
2543 ai->pcimem = ioremap(mem_start, mem_len);
2545 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2546 (int)mem_start, (int)mem_len, name);
2549 ai->pciaux = ioremap(aux_start, aux_len);
2551 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2552 (int)aux_start, (int)aux_len, name);
2556 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2557 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2559 printk(KERN_ERR "airo: Couldn't alloc_consistent %d\n",
2565 * Setup descriptor RX, TX, CONFIG
2567 busaddroff = (unsigned char *)ai->shared_dma;
2568 pciaddroff = ai->pciaux + AUX_OFFSET;
2569 vpackoff = ai->shared;
2571 /* RX descriptor setup */
2572 for(i = 0; i < MPI_MAX_FIDS; i++) {
2573 ai->rxfids[i].pending = 0;
2574 ai->rxfids[i].card_ram_off = pciaddroff;
2575 ai->rxfids[i].virtual_host_addr = vpackoff;
2576 ai->rxfids[i].rx_desc.host_addr = (dma_addr_t) busaddroff;
2577 ai->rxfids[i].rx_desc.valid = 1;
2578 ai->rxfids[i].rx_desc.len = PKTSIZE;
2579 ai->rxfids[i].rx_desc.rdy = 0;
2581 pciaddroff += sizeof(RxFid);
2582 busaddroff += PKTSIZE;
2583 vpackoff += PKTSIZE;
2586 /* TX descriptor setup */
2587 for(i = 0; i < MPI_MAX_FIDS; i++) {
2588 ai->txfids[i].card_ram_off = pciaddroff;
2589 ai->txfids[i].virtual_host_addr = vpackoff;
2590 ai->txfids[i].tx_desc.valid = 1;
2591 ai->txfids[i].tx_desc.host_addr = (dma_addr_t) busaddroff;
2592 memcpy(ai->txfids[i].virtual_host_addr,
2593 &wifictlhdr8023, sizeof(wifictlhdr8023));
2595 pciaddroff += sizeof(TxFid);
2596 busaddroff += PKTSIZE;
2597 vpackoff += PKTSIZE;
2599 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2601 /* Rid descriptor setup */
2602 ai->config_desc.card_ram_off = pciaddroff;
2603 ai->config_desc.virtual_host_addr = vpackoff;
2604 ai->config_desc.rid_desc.host_addr = (dma_addr_t) busaddroff;
2605 ai->ridbus = (dma_addr_t)busaddroff;
2606 ai->config_desc.rid_desc.rid = 0;
2607 ai->config_desc.rid_desc.len = RIDSIZE;
2608 ai->config_desc.rid_desc.valid = 1;
2609 pciaddroff += sizeof(Rid);
2610 busaddroff += RIDSIZE;
2611 vpackoff += RIDSIZE;
2613 /* Tell card about descriptors */
2614 if (mpi_init_descriptors (ai) != SUCCESS)
2619 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2621 iounmap(ai->pciaux);
2623 iounmap(ai->pcimem);
2625 release_mem_region(aux_start, aux_len);
2627 release_mem_region(mem_start, mem_len);
2632 static void wifi_setup(struct net_device *dev)
2634 dev->hard_header = NULL;
2635 dev->rebuild_header = NULL;
2636 dev->hard_header_cache = NULL;
2637 dev->header_cache_update= NULL;
2639 dev->hard_header_parse = wll_header_parse;
2640 dev->hard_start_xmit = &airo_start_xmit11;
2641 dev->get_stats = &airo_get_stats;
2642 dev->set_mac_address = &airo_set_mac_address;
2643 dev->do_ioctl = &airo_ioctl;
2645 dev->wireless_handlers = &airo_handler_def;
2646 #endif /* WIRELESS_EXT */
2647 dev->change_mtu = &airo_change_mtu;
2648 dev->open = &airo_open;
2649 dev->stop = &airo_close;
2651 dev->type = ARPHRD_IEEE80211;
2652 dev->hard_header_len = ETH_HLEN;
2654 dev->addr_len = ETH_ALEN;
2655 dev->tx_queue_len = 100;
2657 memset(dev->broadcast,0xFF, ETH_ALEN);
2659 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2662 static struct net_device *init_wifidev(struct airo_info *ai,
2663 struct net_device *ethdev)
2666 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2669 dev->priv = ethdev->priv;
2670 dev->irq = ethdev->irq;
2671 dev->base_addr = ethdev->base_addr;
2673 dev->wireless_data = ethdev->wireless_data;
2674 #endif /* WIRELESS_EXT */
2675 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2676 err = register_netdev(dev);
2684 int reset_card( struct net_device *dev , int lock) {
2685 struct airo_info *ai = dev->priv;
2687 if (lock && down_interruptible(&ai->sem))
2690 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2699 struct net_device *_init_airo_card( unsigned short irq, int port,
2700 int is_pcmcia, struct pci_dev *pci,
2701 struct device *dmdev )
2703 struct net_device *dev;
2704 struct airo_info *ai;
2707 /* Create the network device object. */
2708 dev = alloc_etherdev(sizeof(*ai));
2710 printk(KERN_ERR "airo: Couldn't alloc_etherdev\n");
2713 if (dev_alloc_name(dev, dev->name) < 0) {
2714 printk(KERN_ERR "airo: Couldn't get name!\n");
2721 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2722 printk(KERN_DEBUG "airo: Found an MPI350 card\n");
2723 set_bit(FLAG_MPI, &ai->flags);
2726 spin_lock_init(&ai->aux_lock);
2727 sema_init(&ai->sem, 1);
2730 init_waitqueue_head (&ai->thr_wait);
2731 init_completion (&ai->thr_exited);
2732 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2733 if (ai->thr_pid < 0)
2738 rc = add_airo_dev( dev );
2742 /* The Airo-specific entries in the device structure. */
2743 if (test_bit(FLAG_MPI,&ai->flags)) {
2744 skb_queue_head_init (&ai->txq);
2745 dev->hard_start_xmit = &mpi_start_xmit;
2747 dev->hard_start_xmit = &airo_start_xmit;
2748 dev->get_stats = &airo_get_stats;
2749 dev->set_multicast_list = &airo_set_multicast_list;
2750 dev->set_mac_address = &airo_set_mac_address;
2751 dev->do_ioctl = &airo_ioctl;
2753 dev->wireless_handlers = &airo_handler_def;
2754 ai->wireless_data.spy_data = &ai->spy_data;
2755 dev->wireless_data = &ai->wireless_data;
2756 #endif /* WIRELESS_EXT */
2757 dev->change_mtu = &airo_change_mtu;
2758 dev->open = &airo_open;
2759 dev->stop = &airo_close;
2761 dev->base_addr = port;
2763 SET_NETDEV_DEV(dev, dmdev);
2766 if (test_bit(FLAG_MPI,&ai->flags))
2767 reset_card (dev, 1);
2769 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2771 printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
2772 goto err_out_unlink;
2775 if (!request_region( dev->base_addr, 64, dev->name )) {
2777 printk(KERN_ERR "airo: Couldn't request region\n");
2782 if (test_bit(FLAG_MPI,&ai->flags)) {
2783 if (mpi_map_card(ai, pci, dev->name)) {
2784 printk(KERN_ERR "airo: Could not map memory\n");
2790 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2791 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2795 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2796 ai->bap_read = fast_bap_read;
2797 set_bit(FLAG_FLASHING, &ai->flags);
2800 rc = register_netdev(dev);
2802 printk(KERN_ERR "airo: Couldn't register_netdev\n");
2805 ai->wifidev = init_wifidev(ai, dev);
2807 set_bit(FLAG_REGISTERED,&ai->flags);
2808 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
2810 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2811 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2813 /* Allocate the transmit buffers */
2814 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2815 for( i = 0; i < MAX_FIDS; i++ )
2816 ai->fids[i] = transmit_allocate(ai,2312,i>=MAX_FIDS/2);
2818 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2819 netif_start_queue(dev);
2820 SET_MODULE_OWNER(dev);
2824 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2825 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2826 iounmap(ai->pciaux);
2827 iounmap(ai->pcimem);
2828 mpi_unmap_card(ai->pci);
2832 release_region( dev->base_addr, 64 );
2834 free_irq(dev->irq, dev);
2838 set_bit(JOB_DIE, &ai->flags);
2839 kill_proc(ai->thr_pid, SIGTERM, 1);
2840 wait_for_completion(&ai->thr_exited);
2846 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2847 struct device *dmdev)
2849 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2852 EXPORT_SYMBOL(init_airo_card);
2854 static int waitbusy (struct airo_info *ai) {
2856 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2858 if ((++delay % 20) == 0)
2859 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2861 return delay < 10000;
2864 int reset_airo_card( struct net_device *dev )
2867 struct airo_info *ai = dev->priv;
2869 if (reset_card (dev, 1))
2872 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2873 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2876 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev->name,
2877 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2878 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2879 /* Allocate the transmit buffers if needed */
2880 if (!test_bit(FLAG_MPI,&ai->flags))
2881 for( i = 0; i < MAX_FIDS; i++ )
2882 ai->fids[i] = transmit_allocate (ai,2312,i>=MAX_FIDS/2);
2884 enable_interrupts( ai );
2885 netif_wake_queue(dev);
2889 EXPORT_SYMBOL(reset_airo_card);
2891 static void airo_send_event(struct net_device *dev) {
2892 struct airo_info *ai = dev->priv;
2893 union iwreq_data wrqu;
2894 StatusRid status_rid;
2896 clear_bit(JOB_EVENT, &ai->flags);
2897 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2899 wrqu.data.length = 0;
2900 wrqu.data.flags = 0;
2901 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2902 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2904 /* Send event to user space */
2905 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2908 static int airo_thread(void *data) {
2909 struct net_device *dev = data;
2910 struct airo_info *ai = dev->priv;
2913 daemonize("%s", dev->name);
2914 allow_signal(SIGTERM);
2917 if (signal_pending(current))
2918 flush_signals(current);
2920 /* make swsusp happy with our thread */
2921 try_to_freeze(PF_FREEZE);
2923 if (test_bit(JOB_DIE, &ai->flags))
2926 if (ai->flags & JOB_MASK) {
2927 locked = down_interruptible(&ai->sem);
2931 init_waitqueue_entry(&wait, current);
2932 add_wait_queue(&ai->thr_wait, &wait);
2934 set_current_state(TASK_INTERRUPTIBLE);
2935 if (ai->flags & JOB_MASK)
2938 if (time_after_eq(jiffies,ai->expires)){
2939 set_bit(JOB_AUTOWEP,&ai->flags);
2942 if (!signal_pending(current)) {
2943 schedule_timeout(ai->expires - jiffies);
2946 } else if (!signal_pending(current)) {
2952 current->state = TASK_RUNNING;
2953 remove_wait_queue(&ai->thr_wait, &wait);
2960 if (test_bit(JOB_DIE, &ai->flags)) {
2965 if (ai->power || test_bit(FLAG_FLASHING, &ai->flags)) {
2970 if (test_bit(JOB_XMIT, &ai->flags))
2972 else if (test_bit(JOB_XMIT11, &ai->flags))
2973 airo_end_xmit11(dev);
2974 else if (test_bit(JOB_STATS, &ai->flags))
2975 airo_read_stats(ai);
2976 else if (test_bit(JOB_WSTATS, &ai->flags))
2977 airo_read_wireless_stats(ai);
2978 else if (test_bit(JOB_PROMISC, &ai->flags))
2979 airo_set_promisc(ai);
2981 else if (test_bit(JOB_MIC, &ai->flags))
2984 else if (test_bit(JOB_EVENT, &ai->flags))
2985 airo_send_event(dev);
2986 else if (test_bit(JOB_AUTOWEP, &ai->flags))
2989 complete_and_exit (&ai->thr_exited, 0);
2992 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
2993 struct net_device *dev = (struct net_device *)dev_id;
2996 struct airo_info *apriv = dev->priv;
2997 u16 savedInterrupts = 0;
3000 if (!netif_device_present(dev))
3004 status = IN4500( apriv, EVSTAT );
3005 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3009 if ( status & EV_AWAKE ) {
3010 OUT4500( apriv, EVACK, EV_AWAKE );
3011 OUT4500( apriv, EVACK, EV_AWAKE );
3014 if (!savedInterrupts) {
3015 savedInterrupts = IN4500( apriv, EVINTEN );
3016 OUT4500( apriv, EVINTEN, 0 );
3019 if ( status & EV_MIC ) {
3020 OUT4500( apriv, EVACK, EV_MIC );
3022 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3023 set_bit(JOB_MIC, &apriv->flags);
3024 wake_up_interruptible(&apriv->thr_wait);
3028 if ( status & EV_LINK ) {
3029 union iwreq_data wrqu;
3030 /* The link status has changed, if you want to put a
3031 monitor hook in, do it here. (Remember that
3032 interrupts are still disabled!)
3034 u16 newStatus = IN4500(apriv, LINKSTAT);
3035 OUT4500( apriv, EVACK, EV_LINK);
3036 /* Here is what newStatus means: */
3037 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3038 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3039 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3040 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3041 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3042 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3043 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3044 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3046 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3048 #define ASSOCIATED 0x0400 /* Assocatied */
3049 #define RC_RESERVED 0 /* Reserved return code */
3050 #define RC_NOREASON 1 /* Unspecified reason */
3051 #define RC_AUTHINV 2 /* Previous authentication invalid */
3052 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3054 #define RC_NOACT 4 /* Disassociated due to inactivity */
3055 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3056 all currently associated stations */
3057 #define RC_BADCLASS2 6 /* Class 2 frame received from
3058 non-Authenticated station */
3059 #define RC_BADCLASS3 7 /* Class 3 frame received from
3060 non-Associated station */
3061 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3063 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3064 Authenticated with the responding station */
3065 if (newStatus != ASSOCIATED) {
3066 if (auto_wep && !apriv->expires) {
3067 apriv->expires = RUN_AT(3*HZ);
3068 wake_up_interruptible(&apriv->thr_wait);
3071 struct task_struct *task = apriv->task;
3075 wake_up_process (task);
3076 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3077 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3079 /* Question : is ASSOCIATED the only status
3080 * that is valid ? We want to catch handover
3081 * and reassociations as valid status
3083 if(newStatus == ASSOCIATED) {
3084 if (apriv->scan_timestamp) {
3085 /* Send an empty event to user space.
3086 * We don't send the received data on
3087 * the event because it would require
3088 * us to do complex transcoding, and
3089 * we want to minimise the work done in
3090 * the irq handler. Use a request to
3091 * extract the data - Jean II */
3092 wrqu.data.length = 0;
3093 wrqu.data.flags = 0;
3094 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
3095 apriv->scan_timestamp = 0;
3097 if (down_trylock(&apriv->sem) != 0) {
3098 set_bit(JOB_EVENT, &apriv->flags);
3099 wake_up_interruptible(&apriv->thr_wait);
3101 airo_send_event(dev);
3103 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3104 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3106 /* Send event to user space */
3107 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3111 /* Check to see if there is something to receive */
3112 if ( status & EV_RX ) {
3113 struct sk_buff *skb = NULL;
3114 u16 fc, len, hdrlen = 0;
3128 if (test_bit(FLAG_MPI,&apriv->flags)) {
3129 if (test_bit(FLAG_802_11, &apriv->flags))
3130 mpi_receive_802_11(apriv);
3132 mpi_receive_802_3(apriv);
3133 OUT4500(apriv, EVACK, EV_RX);
3137 fid = IN4500( apriv, RXFID );
3139 /* Get the packet length */
3140 if (test_bit(FLAG_802_11, &apriv->flags)) {
3141 bap_setup (apriv, fid, 4, BAP0);
3142 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3143 /* Bad CRC. Ignore packet */
3144 if (le16_to_cpu(hdr.status) & 2)
3146 if (apriv->wifidev == NULL)
3149 bap_setup (apriv, fid, 0x36, BAP0);
3150 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3152 len = le16_to_cpu(hdr.len);
3155 printk( KERN_ERR "airo: Bad size %d\n", len );
3161 if (test_bit(FLAG_802_11, &apriv->flags)) {
3162 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3163 fc = le16_to_cpu(fc);
3166 if ((fc & 0xe0) == 0xc0)
3172 if ((fc&0x300)==0x300){
3180 hdrlen = ETH_ALEN * 2;
3182 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3184 apriv->stats.rx_dropped++;
3187 skb_reserve(skb, 2); /* This way the IP header is aligned */
3188 buffer = (u16*)skb_put (skb, len + hdrlen);
3189 if (test_bit(FLAG_802_11, &apriv->flags)) {
3191 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3193 bap_read (apriv, tmpbuf, 6, BAP0);
3195 bap_read (apriv, &gap, sizeof(gap), BAP0);
3196 gap = le16_to_cpu(gap);
3199 bap_read (apriv, tmpbuf, gap, BAP0);
3201 printk(KERN_ERR "airo: gaplen too big. Problems will follow...\n");
3203 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3208 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3210 if (apriv->micstats.enabled) {
3211 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3212 if (ntohs(micbuf.typelen) > 0x05DC)
3213 bap_setup (apriv, fid, 0x44, BAP0);
3215 if (len <= sizeof(micbuf))
3218 len -= sizeof(micbuf);
3219 skb_trim (skb, len + hdrlen);
3223 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3225 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3227 dev_kfree_skb_irq (skb);
3232 OUT4500( apriv, EVACK, EV_RX);
3237 if (apriv->spy_data.spy_number > 0) {
3239 struct iw_quality wstats;
3240 /* Prepare spy data : addr + qual */
3241 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3242 sa = (char*)buffer + 6;
3243 bap_setup (apriv, fid, 8, BAP0);
3244 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3246 sa = (char*)buffer + 10;
3247 wstats.qual = hdr.rssi[0];
3249 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3251 wstats.level = (hdr.rssi[1] + 321) / 2;
3252 wstats.noise = apriv->wstats.qual.noise;
3253 wstats.updated = IW_QUAL_LEVEL_UPDATED
3254 | IW_QUAL_QUAL_UPDATED
3255 | IW_QUAL_NOISE_UPDATED;
3256 /* Update spy records */
3257 wireless_spy_update(dev, sa, &wstats);
3259 #endif /* WIRELESS_SPY */
3260 OUT4500( apriv, EVACK, EV_RX);
3262 if (test_bit(FLAG_802_11, &apriv->flags)) {
3263 skb->mac.raw = skb->data;
3264 skb->pkt_type = PACKET_OTHERHOST;
3265 skb->dev = apriv->wifidev;
3266 skb->protocol = htons(ETH_P_802_2);
3269 skb->protocol = eth_type_trans(skb,dev);
3271 skb->dev->last_rx = jiffies;
3272 skb->ip_summed = CHECKSUM_NONE;
3278 /* Check to see if a packet has been transmitted */
3279 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3284 if (test_bit(FLAG_MPI,&apriv->flags)) {
3285 unsigned long flags;
3287 if (status & EV_TXEXC)
3288 get_tx_error(apriv, -1);
3289 spin_lock_irqsave(&apriv->aux_lock, flags);
3290 if (skb_queue_len (&apriv->txq)) {
3291 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3292 mpi_send_packet (dev);
3294 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3295 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3296 netif_wake_queue (dev);
3298 OUT4500( apriv, EVACK,
3299 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3303 fid = IN4500(apriv, TXCOMPLFID);
3305 for( i = 0; i < MAX_FIDS; i++ ) {
3306 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3307 len = apriv->fids[i] >> 16;
3312 if (status & EV_TXEXC)
3313 get_tx_error(apriv, index);
3314 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3315 /* Set up to be used again */
3316 apriv->fids[index] &= 0xffff;
3317 if (index < MAX_FIDS / 2) {
3318 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3319 netif_wake_queue(dev);
3321 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3322 netif_wake_queue(apriv->wifidev);
3325 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3326 printk( KERN_ERR "airo: Unallocated FID was used to xmit\n" );
3330 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3331 printk( KERN_WARNING "airo: Got weird status %x\n",
3332 status & ~STATUS_INTS & ~IGNORE_INTS );
3335 if (savedInterrupts)
3336 OUT4500( apriv, EVINTEN, savedInterrupts );
3339 return IRQ_RETVAL(handled);
3343 * Routines to talk to the card
3347 * This was originally written for the 4500, hence the name
3348 * NOTE: If use with 8bit mode and SMP bad things will happen!
3349 * Why would some one do 8 bit IO in an SMP machine?!?
3351 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3352 if (test_bit(FLAG_MPI,&ai->flags))
3355 outw( val, ai->dev->base_addr + reg );
3357 outb( val & 0xff, ai->dev->base_addr + reg );
3358 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3362 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3365 if (test_bit(FLAG_MPI,&ai->flags))
3368 rc = inw( ai->dev->base_addr + reg );
3370 rc = inb( ai->dev->base_addr + reg );
3371 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3376 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3380 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3381 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3382 * Note : we could try to use !netif_running(dev) in enable_MAC()
3383 * instead of this flag, but I don't trust it *within* the
3384 * open/close functions, and testing both flags together is
3385 * "cheaper" - Jean II */
3386 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3388 if (lock && down_interruptible(&ai->sem))
3389 return -ERESTARTSYS;
3391 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3392 memset(&cmd, 0, sizeof(cmd));
3393 cmd.cmd = MAC_ENABLE;
3394 rc = issuecommand(ai, &cmd, rsp);
3396 set_bit(FLAG_ENABLED, &ai->flags);
3404 printk(KERN_ERR "%s: Cannot enable MAC, err=%d\n",
3409 static void disable_MAC( struct airo_info *ai, int lock ) {
3413 if (lock && down_interruptible(&ai->sem))
3416 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3417 memset(&cmd, 0, sizeof(cmd));
3418 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3419 issuecommand(ai, &cmd, &rsp);
3420 clear_bit(FLAG_ENABLED, &ai->flags);
3426 static void enable_interrupts( struct airo_info *ai ) {
3427 /* Enable the interrupts */
3428 OUT4500( ai, EVINTEN, STATUS_INTS );
3431 static void disable_interrupts( struct airo_info *ai ) {
3432 OUT4500( ai, EVINTEN, 0 );
3435 static void mpi_receive_802_3(struct airo_info *ai)
3439 struct sk_buff *skb;
3446 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3447 /* Make sure we got something */
3448 if (rxd.rdy && rxd.valid == 0) {
3450 if (len < 12 || len > 2048)
3453 skb = dev_alloc_skb(len);
3455 ai->stats.rx_dropped++;
3458 buffer = skb_put(skb,len);
3460 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3461 if (ai->micstats.enabled) {
3463 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3465 if (ntohs(micbuf.typelen) <= 0x05DC) {
3466 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3469 off = sizeof(micbuf);
3470 skb_trim (skb, len - off);
3473 memcpy(buffer + ETH_ALEN * 2,
3474 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3475 len - ETH_ALEN * 2 - off);
3476 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3478 dev_kfree_skb_irq (skb);
3482 memcpy(buffer, ai->rxfids[0].virtual_host_addr, len);
3485 if (ai->spy_data.spy_number > 0) {
3487 struct iw_quality wstats;
3488 /* Prepare spy data : addr + qual */
3489 sa = buffer + ETH_ALEN;
3490 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3493 /* Update spy records */
3494 wireless_spy_update(ai->dev, sa, &wstats);
3496 #endif /* WIRELESS_SPY */
3499 skb->ip_summed = CHECKSUM_NONE;
3500 skb->protocol = eth_type_trans(skb, ai->dev);
3501 skb->dev->last_rx = jiffies;
3505 if (rxd.valid == 0) {
3509 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3513 void mpi_receive_802_11 (struct airo_info *ai)
3516 struct sk_buff *skb = NULL;
3517 u16 fc, len, hdrlen = 0;
3529 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3531 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3532 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3534 /* Bad CRC. Ignore packet */
3535 if (le16_to_cpu(hdr.status) & 2)
3537 if (ai->wifidev == NULL)
3539 len = le16_to_cpu(hdr.len);
3541 printk( KERN_ERR "airo: Bad size %d\n", len );
3547 memcpy ((char *)&fc, ptr, sizeof(fc));
3548 fc = le16_to_cpu(fc);
3551 if ((fc & 0xe0) == 0xc0)
3557 if ((fc&0x300)==0x300){
3565 skb = dev_alloc_skb( len + hdrlen + 2 );
3567 ai->stats.rx_dropped++;
3570 buffer = (u16*)skb_put (skb, len + hdrlen);
3571 memcpy ((char *)buffer, ptr, hdrlen);
3575 memcpy ((char *)&gap, ptr, sizeof(gap));
3577 gap = le16_to_cpu(gap);
3583 "airo: gaplen too big. Problems will follow...\n");
3585 memcpy ((char *)buffer + hdrlen, ptr, len);
3587 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3588 if (ai->spy_data.spy_number > 0) {
3590 struct iw_quality wstats;
3591 /* Prepare spy data : addr + qual */
3592 sa = (char*)buffer + 10;
3593 wstats.qual = hdr.rssi[0];
3595 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3597 wstats.level = (hdr.rssi[1] + 321) / 2;
3598 wstats.noise = ai->wstats.qual.noise;
3599 wstats.updated = IW_QUAL_QUAL_UPDATED
3600 | IW_QUAL_LEVEL_UPDATED
3601 | IW_QUAL_NOISE_UPDATED;
3602 /* Update spy records */
3603 wireless_spy_update(ai->dev, sa, &wstats);
3605 #endif /* IW_WIRELESS_SPY */
3606 skb->mac.raw = skb->data;
3607 skb->pkt_type = PACKET_OTHERHOST;
3608 skb->dev = ai->wifidev;
3609 skb->protocol = htons(ETH_P_802_2);
3610 skb->dev->last_rx = jiffies;
3611 skb->ip_summed = CHECKSUM_NONE;
3614 if (rxd.valid == 0) {
3618 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3622 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3633 memset( &mySsid, 0, sizeof( mySsid ) );
3639 /* The NOP is the first step in getting the card going */
3641 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3642 if (lock && down_interruptible(&ai->sem))
3644 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3649 disable_MAC( ai, 0);
3651 // Let's figure out if we need to use the AUX port
3652 if (!test_bit(FLAG_MPI,&ai->flags)) {
3653 cmd.cmd = CMD_ENABLEAUX;
3654 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3657 printk(KERN_ERR "airo: Error checking for AUX port\n");
3660 if (!aux_bap || rsp.status & 0xff00) {
3661 ai->bap_read = fast_bap_read;
3662 printk(KERN_DEBUG "airo: Doing fast bap_reads\n");
3664 ai->bap_read = aux_bap_read;
3665 printk(KERN_DEBUG "airo: Doing AUX bap_reads\n");
3670 if (ai->config.len == 0) {
3671 tdsRssiRid rssi_rid;
3672 CapabilityRid cap_rid;
3682 // general configuration (read/modify/write)
3683 status = readConfigRid(ai, lock);
3684 if ( status != SUCCESS ) return ERROR;
3686 status = readCapabilityRid(ai, &cap_rid, lock);
3687 if ( status != SUCCESS ) return ERROR;
3689 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3690 if ( status == SUCCESS ) {
3691 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3692 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3699 if (cap_rid.softCap & 8)
3700 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3702 printk(KERN_WARNING "airo: unknown received signal level scale\n");
3704 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3705 ai->config.authType = AUTH_OPEN;
3706 ai->config.modulation = MOD_CCK;
3709 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3710 (micsetup(ai) == SUCCESS)) {
3711 ai->config.opmode |= MODE_MIC;
3712 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3716 /* Save off the MAC */
3717 for( i = 0; i < ETH_ALEN; i++ ) {
3718 mac[i] = ai->config.macAddr[i];
3721 /* Check to see if there are any insmod configured
3725 memset(ai->config.rates,0,sizeof(ai->config.rates));
3726 for( i = 0; i < 8 && rates[i]; i++ ) {
3727 ai->config.rates[i] = rates[i];
3730 if ( basic_rate > 0 ) {
3732 for( i = 0; i < 8; i++ ) {
3733 if ( ai->config.rates[i] == basic_rate ||
3734 !ai->config.rates ) {
3735 ai->config.rates[i] = basic_rate | 0x80;
3740 set_bit (FLAG_COMMIT, &ai->flags);
3743 /* Setup the SSIDs if present */
3746 for( i = 0; i < 3 && ssids[i]; i++ ) {
3747 mySsid.ssids[i].len = strlen(ssids[i]);
3748 if ( mySsid.ssids[i].len > 32 )
3749 mySsid.ssids[i].len = 32;
3750 memcpy(mySsid.ssids[i].ssid, ssids[i],
3751 mySsid.ssids[i].len);
3753 mySsid.len = sizeof(mySsid);
3756 status = writeConfigRid(ai, lock);
3757 if ( status != SUCCESS ) return ERROR;
3759 /* Set up the SSID list */
3761 status = writeSsidRid(ai, &mySsid, lock);
3762 if ( status != SUCCESS ) return ERROR;
3765 status = enable_MAC(ai, &rsp, lock);
3766 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3767 printk( KERN_ERR "airo: Bad MAC enable reason = %x, rid = %x, offset = %d\n", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3771 /* Grab the initial wep key, we gotta save it for auto_wep */
3772 rc = readWepKeyRid(ai, &wkr, 1, lock);
3773 if (rc == SUCCESS) do {
3774 lastindex = wkr.kindex;
3775 if (wkr.kindex == 0xffff) {
3776 ai->defindex = wkr.mac[0];
3778 rc = readWepKeyRid(ai, &wkr, 0, lock);
3779 } while(lastindex != wkr.kindex);
3782 ai->expires = RUN_AT(3*HZ);
3783 wake_up_interruptible(&ai->thr_wait);
3789 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3790 // Im really paranoid about letting it run forever!
3791 int max_tries = 600000;
3793 if (IN4500(ai, EVSTAT) & EV_CMD)
3794 OUT4500(ai, EVACK, EV_CMD);
3796 OUT4500(ai, PARAM0, pCmd->parm0);
3797 OUT4500(ai, PARAM1, pCmd->parm1);
3798 OUT4500(ai, PARAM2, pCmd->parm2);
3799 OUT4500(ai, COMMAND, pCmd->cmd);
3801 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3802 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3803 // PC4500 didn't notice command, try again
3804 OUT4500(ai, COMMAND, pCmd->cmd);
3805 if (!in_atomic() && (max_tries & 255) == 0)
3809 if ( max_tries == -1 ) {
3811 "airo: Max tries exceeded when issueing command\n" );
3812 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3813 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3817 // command completed
3818 pRsp->status = IN4500(ai, STATUS);
3819 pRsp->rsp0 = IN4500(ai, RESP0);
3820 pRsp->rsp1 = IN4500(ai, RESP1);
3821 pRsp->rsp2 = IN4500(ai, RESP2);
3822 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3823 printk (KERN_ERR "airo: cmd= %x\n", pCmd->cmd);
3824 printk (KERN_ERR "airo: status= %x\n", pRsp->status);
3825 printk (KERN_ERR "airo: Rsp0= %x\n", pRsp->rsp0);
3826 printk (KERN_ERR "airo: Rsp1= %x\n", pRsp->rsp1);
3827 printk (KERN_ERR "airo: Rsp2= %x\n", pRsp->rsp2);
3830 // clear stuck command busy if necessary
3831 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3832 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3834 // acknowledge processing the status/response
3835 OUT4500(ai, EVACK, EV_CMD);
3840 /* Sets up the bap to start exchange data. whichbap should
3841 * be one of the BAP0 or BAP1 defines. Locks should be held before
3843 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3848 OUT4500(ai, SELECT0+whichbap, rid);
3849 OUT4500(ai, OFFSET0+whichbap, offset);
3851 int status = IN4500(ai, OFFSET0+whichbap);
3852 if (status & BAP_BUSY) {
3853 /* This isn't really a timeout, but its kinda
3858 } else if ( status & BAP_ERR ) {
3859 /* invalid rid or offset */
3860 printk( KERN_ERR "airo: BAP error %x %d\n",
3863 } else if (status & BAP_DONE) { // success
3866 if ( !(max_tries--) ) {
3868 "airo: BAP setup error too many retries\n" );
3871 // -- PC4500 missed it, try again
3872 OUT4500(ai, SELECT0+whichbap, rid);
3873 OUT4500(ai, OFFSET0+whichbap, offset);
3878 /* should only be called by aux_bap_read. This aux function and the
3879 following use concepts not documented in the developers guide. I
3880 got them from a patch given to my by Aironet */
3881 static u16 aux_setup(struct airo_info *ai, u16 page,
3882 u16 offset, u16 *len)
3886 OUT4500(ai, AUXPAGE, page);
3887 OUT4500(ai, AUXOFF, 0);
3888 next = IN4500(ai, AUXDATA);
3889 *len = IN4500(ai, AUXDATA)&0xff;
3890 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3894 /* requires call to bap_setup() first */
3895 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
3896 int bytelen, int whichbap)
3904 unsigned long flags;
3906 spin_lock_irqsave(&ai->aux_lock, flags);
3907 page = IN4500(ai, SWS0+whichbap);
3908 offset = IN4500(ai, SWS2+whichbap);
3909 next = aux_setup(ai, page, offset, &len);
3910 words = (bytelen+1)>>1;
3912 for (i=0; i<words;) {
3914 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3916 insw( ai->dev->base_addr+DATA0+whichbap,
3919 insb( ai->dev->base_addr+DATA0+whichbap,
3920 pu16Dst+i, count << 1 );
3923 next = aux_setup(ai, next, 4, &len);
3926 spin_unlock_irqrestore(&ai->aux_lock, flags);
3931 /* requires call to bap_setup() first */
3932 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
3933 int bytelen, int whichbap)
3935 bytelen = (bytelen + 1) & (~1); // round up to even value
3937 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
3939 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
3943 /* requires call to bap_setup() first */
3944 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
3945 int bytelen, int whichbap)
3947 bytelen = (bytelen + 1) & (~1); // round up to even value
3949 outsw( ai->dev->base_addr+DATA0+whichbap,
3950 pu16Src, bytelen>>1 );
3952 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
3956 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
3958 Cmd cmd; /* for issuing commands */
3959 Resp rsp; /* response from commands */
3962 memset(&cmd, 0, sizeof(cmd));
3965 status = issuecommand(ai, &cmd, &rsp);
3966 if (status != 0) return status;
3967 if ( (rsp.status & 0x7F00) != 0) {
3968 return (accmd << 8) + (rsp.rsp0 & 0xFF);
3973 /* Note, that we are using BAP1 which is also used by transmit, so
3974 * we must get a lock. */
3975 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
3981 if (down_interruptible(&ai->sem))
3984 if (test_bit(FLAG_MPI,&ai->flags)) {
3988 memset(&cmd, 0, sizeof(cmd));
3989 memset(&rsp, 0, sizeof(rsp));
3990 ai->config_desc.rid_desc.valid = 1;
3991 ai->config_desc.rid_desc.len = RIDSIZE;
3992 ai->config_desc.rid_desc.rid = 0;
3993 ai->config_desc.rid_desc.host_addr = ai->ridbus;
3995 cmd.cmd = CMD_ACCESS;
3998 memcpy_toio(ai->config_desc.card_ram_off,
3999 &ai->config_desc.rid_desc, sizeof(Rid));
4001 rc = issuecommand(ai, &cmd, &rsp);
4003 if (rsp.status & 0x7f00)
4006 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4009 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4013 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4017 // read the rid length field
4018 bap_read(ai, pBuf, 2, BAP1);
4019 // length for remaining part of rid
4020 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4024 "airo: Rid %x has a length of %d which is too short\n",
4025 (int)rid, (int)len );
4029 // read remainder of the rid
4030 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4038 /* Note, that we are using BAP1 which is also used by transmit, so
4039 * make sure this isnt called when a transmit is happening */
4040 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4041 const void *pBuf, int len, int lock)
4046 *(u16*)pBuf = cpu_to_le16((u16)len);
4049 if (down_interruptible(&ai->sem))
4052 if (test_bit(FLAG_MPI,&ai->flags)) {
4056 if (test_bit(FLAG_ENABLED, &ai->flags))
4058 "%s: MAC should be disabled (rid=%04x)\n",
4060 memset(&cmd, 0, sizeof(cmd));
4061 memset(&rsp, 0, sizeof(rsp));
4063 ai->config_desc.rid_desc.valid = 1;
4064 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4065 ai->config_desc.rid_desc.rid = 0;
4067 cmd.cmd = CMD_WRITERID;
4070 memcpy_toio(ai->config_desc.card_ram_off,
4071 &ai->config_desc.rid_desc, sizeof(Rid));
4073 if (len < 4 || len > 2047) {
4074 printk(KERN_ERR "%s: len=%d\n",__FUNCTION__,len);
4077 memcpy((char *)ai->config_desc.virtual_host_addr,
4080 rc = issuecommand(ai, &cmd, &rsp);
4081 if ((rc & 0xff00) != 0) {
4082 printk(KERN_ERR "%s: Write rid Error %d\n",
4084 printk(KERN_ERR "%s: Cmd=%04x\n",
4085 __FUNCTION__,cmd.cmd);
4088 if ((rsp.status & 0x7f00))
4092 // --- first access so that we can write the rid data
4093 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4097 // --- now write the rid data
4098 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4102 bap_write(ai, pBuf, len, BAP1);
4103 // ---now commit the rid data
4104 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4112 /* Allocates a FID to be used for transmitting packets. We only use
4114 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4116 unsigned int loop = 3000;
4122 cmd.cmd = CMD_ALLOCATETX;
4123 cmd.parm0 = lenPayload;
4124 if (down_interruptible(&ai->sem))
4126 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4130 if ( (rsp.status & 0xFF00) != 0) {
4134 /* wait for the allocate event/indication
4135 * It makes me kind of nervous that this can just sit here and spin,
4136 * but in practice it only loops like four times. */
4137 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4143 // get the allocated fid and acknowledge
4144 txFid = IN4500(ai, TXALLOCFID);
4145 OUT4500(ai, EVACK, EV_ALLOC);
4147 /* The CARD is pretty cool since it converts the ethernet packet
4148 * into 802.11. Also note that we don't release the FID since we
4149 * will be using the same one over and over again. */
4150 /* We only have to setup the control once since we are not
4151 * releasing the fid. */
4153 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4154 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4156 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4157 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4158 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4161 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4169 /* In general BAP1 is dedicated to transmiting packets. However,
4170 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4171 Make sure the BAP1 spinlock is held when this is called. */
4172 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4183 if (len <= ETH_ALEN * 2) {
4184 printk( KERN_WARNING "Short packet %d\n", len );
4187 len -= ETH_ALEN * 2;
4190 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4191 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4192 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4194 miclen = sizeof(pMic);
4198 // packet is destination[6], source[6], payload[len-12]
4199 // write the payload length and dst/src/payload
4200 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4201 /* The hardware addresses aren't counted as part of the payload, so
4202 * we have to subtract the 12 bytes for the addresses off */
4203 payloadLen = cpu_to_le16(len + miclen);
4204 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4205 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4207 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4208 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4209 // issue the transmit command
4210 memset( &cmd, 0, sizeof( cmd ) );
4211 cmd.cmd = CMD_TRANSMIT;
4213 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4214 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4218 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4233 fc = le16_to_cpu(*(const u16*)pPacket);
4236 if ((fc & 0xe0) == 0xc0)
4242 if ((fc&0x300)==0x300){
4251 printk( KERN_WARNING "Short packet %d\n", len );
4255 /* packet is 802.11 header + payload
4256 * write the payload length and dst/src/payload */
4257 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4258 /* The 802.11 header aren't counted as part of the payload, so
4259 * we have to subtract the header bytes off */
4260 payloadLen = cpu_to_le16(len-hdrlen);
4261 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4262 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4263 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4264 bap_write(ai, hdrlen == 30 ?
4265 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4267 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4268 // issue the transmit command
4269 memset( &cmd, 0, sizeof( cmd ) );
4270 cmd.cmd = CMD_TRANSMIT;
4272 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4273 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4278 * This is the proc_fs routines. It is a bit messier than I would
4279 * like! Feel free to clean it up!
4282 static ssize_t proc_read( struct file *file,
4283 char __user *buffer,
4287 static ssize_t proc_write( struct file *file,
4288 const char __user *buffer,
4291 static int proc_close( struct inode *inode, struct file *file );
4293 static int proc_stats_open( struct inode *inode, struct file *file );
4294 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4295 static int proc_status_open( struct inode *inode, struct file *file );
4296 static int proc_SSID_open( struct inode *inode, struct file *file );
4297 static int proc_APList_open( struct inode *inode, struct file *file );
4298 static int proc_BSSList_open( struct inode *inode, struct file *file );
4299 static int proc_config_open( struct inode *inode, struct file *file );
4300 static int proc_wepkey_open( struct inode *inode, struct file *file );
4302 static struct file_operations proc_statsdelta_ops = {
4304 .open = proc_statsdelta_open,
4305 .release = proc_close
4308 static struct file_operations proc_stats_ops = {
4310 .open = proc_stats_open,
4311 .release = proc_close
4314 static struct file_operations proc_status_ops = {
4316 .open = proc_status_open,
4317 .release = proc_close
4320 static struct file_operations proc_SSID_ops = {
4322 .write = proc_write,
4323 .open = proc_SSID_open,
4324 .release = proc_close
4327 static struct file_operations proc_BSSList_ops = {
4329 .write = proc_write,
4330 .open = proc_BSSList_open,
4331 .release = proc_close
4334 static struct file_operations proc_APList_ops = {
4336 .write = proc_write,
4337 .open = proc_APList_open,
4338 .release = proc_close
4341 static struct file_operations proc_config_ops = {
4343 .write = proc_write,
4344 .open = proc_config_open,
4345 .release = proc_close
4348 static struct file_operations proc_wepkey_ops = {
4350 .write = proc_write,
4351 .open = proc_wepkey_open,
4352 .release = proc_close
4355 static struct proc_dir_entry *airo_entry;
4364 void (*on_close) (struct inode *, struct file *);
4368 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4371 static int setup_proc_entry( struct net_device *dev,
4372 struct airo_info *apriv ) {
4373 struct proc_dir_entry *entry;
4374 /* First setup the device directory */
4375 strcpy(apriv->proc_name,dev->name);
4376 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4379 apriv->proc_entry->uid = proc_uid;
4380 apriv->proc_entry->gid = proc_gid;
4381 apriv->proc_entry->owner = THIS_MODULE;
4383 /* Setup the StatsDelta */
4384 entry = create_proc_entry("StatsDelta",
4385 S_IFREG | (S_IRUGO&proc_perm),
4387 entry->uid = proc_uid;
4388 entry->gid = proc_gid;
4390 entry->owner = THIS_MODULE;
4391 SETPROC_OPS(entry, proc_statsdelta_ops);
4393 /* Setup the Stats */
4394 entry = create_proc_entry("Stats",
4395 S_IFREG | (S_IRUGO&proc_perm),
4397 entry->uid = proc_uid;
4398 entry->gid = proc_gid;
4400 entry->owner = THIS_MODULE;
4401 SETPROC_OPS(entry, proc_stats_ops);
4403 /* Setup the Status */
4404 entry = create_proc_entry("Status",
4405 S_IFREG | (S_IRUGO&proc_perm),
4407 entry->uid = proc_uid;
4408 entry->gid = proc_gid;
4410 entry->owner = THIS_MODULE;
4411 SETPROC_OPS(entry, proc_status_ops);
4413 /* Setup the Config */
4414 entry = create_proc_entry("Config",
4415 S_IFREG | proc_perm,
4417 entry->uid = proc_uid;
4418 entry->gid = proc_gid;
4420 entry->owner = THIS_MODULE;
4421 SETPROC_OPS(entry, proc_config_ops);
4423 /* Setup the SSID */
4424 entry = create_proc_entry("SSID",
4425 S_IFREG | proc_perm,
4427 entry->uid = proc_uid;
4428 entry->gid = proc_gid;
4430 entry->owner = THIS_MODULE;
4431 SETPROC_OPS(entry, proc_SSID_ops);
4433 /* Setup the APList */
4434 entry = create_proc_entry("APList",
4435 S_IFREG | proc_perm,
4437 entry->uid = proc_uid;
4438 entry->gid = proc_gid;
4440 entry->owner = THIS_MODULE;
4441 SETPROC_OPS(entry, proc_APList_ops);
4443 /* Setup the BSSList */
4444 entry = create_proc_entry("BSSList",
4445 S_IFREG | proc_perm,
4447 entry->uid = proc_uid;
4448 entry->gid = proc_gid;
4450 entry->owner = THIS_MODULE;
4451 SETPROC_OPS(entry, proc_BSSList_ops);
4453 /* Setup the WepKey */
4454 entry = create_proc_entry("WepKey",
4455 S_IFREG | proc_perm,
4457 entry->uid = proc_uid;
4458 entry->gid = proc_gid;
4460 entry->owner = THIS_MODULE;
4461 SETPROC_OPS(entry, proc_wepkey_ops);
4466 static int takedown_proc_entry( struct net_device *dev,
4467 struct airo_info *apriv ) {
4468 if ( !apriv->proc_entry->namelen ) return 0;
4469 remove_proc_entry("Stats",apriv->proc_entry);
4470 remove_proc_entry("StatsDelta",apriv->proc_entry);
4471 remove_proc_entry("Status",apriv->proc_entry);
4472 remove_proc_entry("Config",apriv->proc_entry);
4473 remove_proc_entry("SSID",apriv->proc_entry);
4474 remove_proc_entry("APList",apriv->proc_entry);
4475 remove_proc_entry("BSSList",apriv->proc_entry);
4476 remove_proc_entry("WepKey",apriv->proc_entry);
4477 remove_proc_entry(apriv->proc_name,airo_entry);
4482 * What we want from the proc_fs is to be able to efficiently read
4483 * and write the configuration. To do this, we want to read the
4484 * configuration when the file is opened and write it when the file is
4485 * closed. So basically we allocate a read buffer at open and fill it
4486 * with data, and allocate a write buffer and read it at close.
4490 * The read routine is generic, it relies on the preallocated rbuffer
4491 * to supply the data.
4493 static ssize_t proc_read( struct file *file,
4494 char __user *buffer,
4498 loff_t pos = *offset;
4499 struct proc_data *priv = (struct proc_data*)file->private_data;
4506 if (pos >= priv->readlen)
4508 if (len > priv->readlen - pos)
4509 len = priv->readlen - pos;
4510 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4512 *offset = pos + len;
4517 * The write routine is generic, it fills in a preallocated rbuffer
4518 * to supply the data.
4520 static ssize_t proc_write( struct file *file,
4521 const char __user *buffer,
4525 loff_t pos = *offset;
4526 struct proc_data *priv = (struct proc_data*)file->private_data;
4533 if (pos >= priv->maxwritelen)
4535 if (len > priv->maxwritelen - pos)
4536 len = priv->maxwritelen - pos;
4537 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4539 if ( pos + len > priv->writelen )
4540 priv->writelen = len + file->f_pos;
4541 *offset = pos + len;
4545 static int proc_status_open( struct inode *inode, struct file *file ) {
4546 struct proc_data *data;
4547 struct proc_dir_entry *dp = PDE(inode);
4548 struct net_device *dev = dp->data;
4549 struct airo_info *apriv = dev->priv;
4550 CapabilityRid cap_rid;
4551 StatusRid status_rid;
4554 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4556 memset(file->private_data, 0, sizeof(struct proc_data));
4557 data = (struct proc_data *)file->private_data;
4558 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4559 kfree (file->private_data);
4563 readStatusRid(apriv, &status_rid, 1);
4564 readCapabilityRid(apriv, &cap_rid, 1);
4566 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4567 status_rid.mode & 1 ? "CFG ": "",
4568 status_rid.mode & 2 ? "ACT ": "",
4569 status_rid.mode & 0x10 ? "SYN ": "",
4570 status_rid.mode & 0x20 ? "LNK ": "",
4571 status_rid.mode & 0x40 ? "LEAP ": "",
4572 status_rid.mode & 0x80 ? "PRIV ": "",
4573 status_rid.mode & 0x100 ? "KEY ": "",
4574 status_rid.mode & 0x200 ? "WEP ": "",
4575 status_rid.mode & 0x8000 ? "ERR ": "");
4576 sprintf( data->rbuffer+i, "Mode: %x\n"
4577 "Signal Strength: %d\n"
4578 "Signal Quality: %d\n"
4583 "Driver Version: %s\n"
4584 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4585 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4586 "Software Version: %x\nSoftware Subversion: %x\n"
4587 "Boot block version: %x\n",
4588 (int)status_rid.mode,
4589 (int)status_rid.normalizedSignalStrength,
4590 (int)status_rid.signalQuality,
4591 (int)status_rid.SSIDlen,
4594 (int)status_rid.channel,
4595 (int)status_rid.currentXmitRate/2,
4603 (int)cap_rid.softVer,
4604 (int)cap_rid.softSubVer,
4605 (int)cap_rid.bootBlockVer );
4606 data->readlen = strlen( data->rbuffer );
4610 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4611 static int proc_statsdelta_open( struct inode *inode,
4612 struct file *file ) {
4613 if (file->f_mode&FMODE_WRITE) {
4614 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4616 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4619 static int proc_stats_open( struct inode *inode, struct file *file ) {
4620 return proc_stats_rid_open(inode, file, RID_STATS);
4623 static int proc_stats_rid_open( struct inode *inode,
4626 struct proc_data *data;
4627 struct proc_dir_entry *dp = PDE(inode);
4628 struct net_device *dev = dp->data;
4629 struct airo_info *apriv = dev->priv;
4632 u32 *vals = stats.vals;
4634 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4636 memset(file->private_data, 0, sizeof(struct proc_data));
4637 data = (struct proc_data *)file->private_data;
4638 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4639 kfree (file->private_data);
4643 readStatsRid(apriv, &stats, rid, 1);
4646 for(i=0; statsLabels[i]!=(char *)-1 &&
4647 i*4<stats.len; i++){
4648 if (!statsLabels[i]) continue;
4649 if (j+strlen(statsLabels[i])+16>4096) {
4651 "airo: Potentially disasterous buffer overflow averted!\n");
4654 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4656 if (i*4>=stats.len){
4658 "airo: Got a short rid\n");
4664 static int get_dec_u16( char *buffer, int *start, int limit ) {
4667 for( value = 0; buffer[*start] >= '0' &&
4668 buffer[*start] <= '9' &&
4669 *start < limit; (*start)++ ) {
4672 value += buffer[*start] - '0';
4674 if ( !valid ) return -1;
4678 static int airo_config_commit(struct net_device *dev,
4679 struct iw_request_info *info, void *zwrq,
4682 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4683 struct proc_data *data = file->private_data;
4684 struct proc_dir_entry *dp = PDE(inode);
4685 struct net_device *dev = dp->data;
4686 struct airo_info *ai = dev->priv;
4689 if ( !data->writelen ) return;
4691 readConfigRid(ai, 1);
4692 set_bit (FLAG_COMMIT, &ai->flags);
4694 line = data->wbuffer;
4696 /*** Mode processing */
4697 if ( !strncmp( line, "Mode: ", 6 ) ) {
4699 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4700 set_bit (FLAG_RESET, &ai->flags);
4701 ai->config.rmode &= 0xfe00;
4702 clear_bit (FLAG_802_11, &ai->flags);
4703 ai->config.opmode &= 0xFF00;
4704 ai->config.scanMode = SCANMODE_ACTIVE;
4705 if ( line[0] == 'a' ) {
4706 ai->config.opmode |= 0;
4708 ai->config.opmode |= 1;
4709 if ( line[0] == 'r' ) {
4710 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4711 ai->config.scanMode = SCANMODE_PASSIVE;
4712 set_bit (FLAG_802_11, &ai->flags);
4713 } else if ( line[0] == 'y' ) {
4714 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4715 ai->config.scanMode = SCANMODE_PASSIVE;
4716 set_bit (FLAG_802_11, &ai->flags);
4717 } else if ( line[0] == 'l' )
4718 ai->config.rmode |= RXMODE_LANMON;
4720 set_bit (FLAG_COMMIT, &ai->flags);
4723 /*** Radio status */
4724 else if (!strncmp(line,"Radio: ", 7)) {
4726 if (!strncmp(line,"off",3)) {
4727 set_bit (FLAG_RADIO_OFF, &ai->flags);
4729 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4732 /*** NodeName processing */
4733 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4737 memset( ai->config.nodeName, 0, 16 );
4738 /* Do the name, assume a space between the mode and node name */
4739 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4740 ai->config.nodeName[j] = line[j];
4742 set_bit (FLAG_COMMIT, &ai->flags);
4745 /*** PowerMode processing */
4746 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4748 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4749 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4750 set_bit (FLAG_COMMIT, &ai->flags);
4751 } else if ( !strncmp( line, "PSP", 3 ) ) {
4752 ai->config.powerSaveMode = POWERSAVE_PSP;
4753 set_bit (FLAG_COMMIT, &ai->flags);
4755 ai->config.powerSaveMode = POWERSAVE_CAM;
4756 set_bit (FLAG_COMMIT, &ai->flags);
4758 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4759 int v, i = 0, k = 0; /* i is index into line,
4760 k is index to rates */
4763 while((v = get_dec_u16(line, &i, 3))!=-1) {
4764 ai->config.rates[k++] = (u8)v;
4768 set_bit (FLAG_COMMIT, &ai->flags);
4769 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4772 v = get_dec_u16(line, &i, i+3);
4774 ai->config.channelSet = (u16)v;
4775 set_bit (FLAG_COMMIT, &ai->flags);
4777 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4780 v = get_dec_u16(line, &i, i+3);
4782 ai->config.txPower = (u16)v;
4783 set_bit (FLAG_COMMIT, &ai->flags);
4785 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4789 ai->config.authType = (u16)AUTH_SHAREDKEY;
4792 ai->config.authType = (u16)AUTH_ENCRYPT;
4795 ai->config.authType = (u16)AUTH_OPEN;
4798 set_bit (FLAG_COMMIT, &ai->flags);
4799 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4803 v = get_dec_u16(line, &i, 3);
4804 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4805 ai->config.longRetryLimit = (u16)v;
4806 set_bit (FLAG_COMMIT, &ai->flags);
4807 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4811 v = get_dec_u16(line, &i, 3);
4812 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4813 ai->config.shortRetryLimit = (u16)v;
4814 set_bit (FLAG_COMMIT, &ai->flags);
4815 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4819 v = get_dec_u16(line, &i, 4);
4820 v = (v<0) ? 0 : ((v>2312) ? 2312 : v);
4821 ai->config.rtsThres = (u16)v;
4822 set_bit (FLAG_COMMIT, &ai->flags);
4823 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4827 v = get_dec_u16(line, &i, 5);
4829 ai->config.txLifetime = (u16)v;
4830 set_bit (FLAG_COMMIT, &ai->flags);
4831 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4835 v = get_dec_u16(line, &i, 5);
4837 ai->config.rxLifetime = (u16)v;
4838 set_bit (FLAG_COMMIT, &ai->flags);
4839 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4840 ai->config.txDiversity =
4841 (line[13]=='l') ? 1 :
4842 ((line[13]=='r')? 2: 3);
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4845 ai->config.rxDiversity =
4846 (line[13]=='l') ? 1 :
4847 ((line[13]=='r')? 2: 3);
4848 set_bit (FLAG_COMMIT, &ai->flags);
4849 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4853 v = get_dec_u16(line, &i, 4);
4854 v = (v<256) ? 256 : ((v>2312) ? 2312 : v);
4855 v = v & 0xfffe; /* Make sure its even */
4856 ai->config.fragThresh = (u16)v;
4857 set_bit (FLAG_COMMIT, &ai->flags);
4858 } else if (!strncmp(line, "Modulation: ", 12)) {
4861 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4862 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4863 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4865 printk( KERN_WARNING "airo: Unknown modulation\n" );
4867 } else if (!strncmp(line, "Preamble: ", 10)) {
4870 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4871 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4872 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4873 default: printk(KERN_WARNING "airo: Unknown preamble\n");
4876 printk( KERN_WARNING "Couldn't figure out %s\n", line );
4878 while( line[0] && line[0] != '\n' ) line++;
4879 if ( line[0] ) line++;
4881 airo_config_commit(dev, NULL, NULL, NULL);
4884 static char *get_rmode(u16 mode) {
4886 case RXMODE_RFMON: return "rfmon";
4887 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4888 case RXMODE_LANMON: return "lanmon";
4893 static int proc_config_open( struct inode *inode, struct file *file ) {
4894 struct proc_data *data;
4895 struct proc_dir_entry *dp = PDE(inode);
4896 struct net_device *dev = dp->data;
4897 struct airo_info *ai = dev->priv;
4900 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4902 memset(file->private_data, 0, sizeof(struct proc_data));
4903 data = (struct proc_data *)file->private_data;
4904 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4905 kfree (file->private_data);
4908 if ((data->wbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4909 kfree (data->rbuffer);
4910 kfree (file->private_data);
4913 memset( data->wbuffer, 0, 2048 );
4914 data->maxwritelen = 2048;
4915 data->on_close = proc_config_on_close;
4917 readConfigRid(ai, 1);
4919 i = sprintf( data->rbuffer,
4924 "DataRates: %d %d %d %d %d %d %d %d\n"
4927 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
4928 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
4929 (ai->config.opmode & 0xFF) == 2 ? "AP" :
4930 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
4931 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4932 ai->config.nodeName,
4933 ai->config.powerSaveMode == 0 ? "CAM" :
4934 ai->config.powerSaveMode == 1 ? "PSP" :
4935 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
4936 (int)ai->config.rates[0],
4937 (int)ai->config.rates[1],
4938 (int)ai->config.rates[2],
4939 (int)ai->config.rates[3],
4940 (int)ai->config.rates[4],
4941 (int)ai->config.rates[5],
4942 (int)ai->config.rates[6],
4943 (int)ai->config.rates[7],
4944 (int)ai->config.channelSet,
4945 (int)ai->config.txPower
4947 sprintf( data->rbuffer + i,
4948 "LongRetryLimit: %d\n"
4949 "ShortRetryLimit: %d\n"
4950 "RTSThreshold: %d\n"
4951 "TXMSDULifetime: %d\n"
4952 "RXMSDULifetime: %d\n"
4955 "FragThreshold: %d\n"
4959 (int)ai->config.longRetryLimit,
4960 (int)ai->config.shortRetryLimit,
4961 (int)ai->config.rtsThres,
4962 (int)ai->config.txLifetime,
4963 (int)ai->config.rxLifetime,
4964 ai->config.txDiversity == 1 ? "left" :
4965 ai->config.txDiversity == 2 ? "right" : "both",
4966 ai->config.rxDiversity == 1 ? "left" :
4967 ai->config.rxDiversity == 2 ? "right" : "both",
4968 (int)ai->config.fragThresh,
4969 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
4970 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
4971 ai->config.modulation == 0 ? "default" :
4972 ai->config.modulation == MOD_CCK ? "cck" :
4973 ai->config.modulation == MOD_MOK ? "mok" : "error",
4974 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
4975 ai->config.preamble == PREAMBLE_LONG ? "long" :
4976 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
4978 data->readlen = strlen( data->rbuffer );
4982 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
4983 struct proc_data *data = (struct proc_data *)file->private_data;
4984 struct proc_dir_entry *dp = PDE(inode);
4985 struct net_device *dev = dp->data;
4986 struct airo_info *ai = dev->priv;
4992 if ( !data->writelen ) return;
4994 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
4996 for( i = 0; i < 3; i++ ) {
4998 for( j = 0; j+offset < data->writelen && j < 32 &&
4999 data->wbuffer[offset+j] != '\n'; j++ ) {
5000 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5002 if ( j == 0 ) break;
5003 SSID_rid.ssids[i].len = j;
5005 while( data->wbuffer[offset] != '\n' &&
5006 offset < data->writelen ) offset++;
5010 SSID_rid.len = sizeof(SSID_rid);
5012 writeSsidRid(ai, &SSID_rid, 1);
5013 enable_MAC(ai, &rsp, 1);
5016 inline static u8 hexVal(char c) {
5017 if (c>='0' && c<='9') return c -= '0';
5018 if (c>='a' && c<='f') return c -= 'a'-10;
5019 if (c>='A' && c<='F') return c -= 'A'-10;
5023 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5024 struct proc_data *data = (struct proc_data *)file->private_data;
5025 struct proc_dir_entry *dp = PDE(inode);
5026 struct net_device *dev = dp->data;
5027 struct airo_info *ai = dev->priv;
5028 APListRid APList_rid;
5032 if ( !data->writelen ) return;
5034 memset( &APList_rid, 0, sizeof(APList_rid) );
5035 APList_rid.len = sizeof(APList_rid);
5037 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5039 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5042 APList_rid.ap[i][j/3]=
5043 hexVal(data->wbuffer[j+i*6*3])<<4;
5046 APList_rid.ap[i][j/3]|=
5047 hexVal(data->wbuffer[j+i*6*3]);
5053 writeAPListRid(ai, &APList_rid, 1);
5054 enable_MAC(ai, &rsp, 1);
5057 /* This function wraps PC4500_writerid with a MAC disable */
5058 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5059 int len, int dummy ) {
5064 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5065 enable_MAC(ai, &rsp, 1);
5069 /* Returns the length of the key at the index. If index == 0xffff
5070 * the index of the transmit key is returned. If the key doesn't exist,
5071 * -1 will be returned.
5073 static int get_wep_key(struct airo_info *ai, u16 index) {
5078 rc = readWepKeyRid(ai, &wkr, 1, 1);
5079 if (rc == SUCCESS) do {
5080 lastindex = wkr.kindex;
5081 if (wkr.kindex == index) {
5082 if (index == 0xffff) {
5087 readWepKeyRid(ai, &wkr, 0, 1);
5088 } while(lastindex != wkr.kindex);
5092 static int set_wep_key(struct airo_info *ai, u16 index,
5093 const char *key, u16 keylen, int perm, int lock ) {
5094 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5098 memset(&wkr, 0, sizeof(wkr));
5100 // We are selecting which key to use
5101 wkr.len = sizeof(wkr);
5102 wkr.kindex = 0xffff;
5103 wkr.mac[0] = (char)index;
5104 if (perm) printk(KERN_INFO "Setting transmit key to %d\n", index);
5105 if (perm) ai->defindex = (char)index;
5107 // We are actually setting the key
5108 wkr.len = sizeof(wkr);
5111 memcpy( wkr.key, key, keylen );
5112 memcpy( wkr.mac, macaddr, ETH_ALEN );
5113 printk(KERN_INFO "Setting key %d\n", index);
5116 disable_MAC(ai, lock);
5117 writeWepKeyRid(ai, &wkr, perm, lock);
5118 enable_MAC(ai, &rsp, lock);
5122 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5123 struct proc_data *data;
5124 struct proc_dir_entry *dp = PDE(inode);
5125 struct net_device *dev = dp->data;
5126 struct airo_info *ai = dev->priv;
5132 memset(key, 0, sizeof(key));
5134 data = (struct proc_data *)file->private_data;
5135 if ( !data->writelen ) return;
5137 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5138 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5139 index = data->wbuffer[0] - '0';
5140 if (data->wbuffer[1] == '\n') {
5141 set_wep_key(ai, index, NULL, 0, 1, 1);
5146 printk(KERN_ERR "airo: WepKey passed invalid key index\n");
5150 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5153 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5156 key[i/3] |= hexVal(data->wbuffer[i+j]);
5160 set_wep_key(ai, index, key, i/3, 1, 1);
5163 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5164 struct proc_data *data;
5165 struct proc_dir_entry *dp = PDE(inode);
5166 struct net_device *dev = dp->data;
5167 struct airo_info *ai = dev->priv;
5174 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5176 memset(file->private_data, 0, sizeof(struct proc_data));
5177 memset(&wkr, 0, sizeof(wkr));
5178 data = (struct proc_data *)file->private_data;
5179 if ((data->rbuffer = kmalloc( 180, GFP_KERNEL )) == NULL) {
5180 kfree (file->private_data);
5183 memset(data->rbuffer, 0, 180);
5185 data->maxwritelen = 80;
5186 if ((data->wbuffer = kmalloc( 80, GFP_KERNEL )) == NULL) {
5187 kfree (data->rbuffer);
5188 kfree (file->private_data);
5191 memset( data->wbuffer, 0, 80 );
5192 data->on_close = proc_wepkey_on_close;
5194 ptr = data->rbuffer;
5195 strcpy(ptr, "No wep keys\n");
5196 rc = readWepKeyRid(ai, &wkr, 1, 1);
5197 if (rc == SUCCESS) do {
5198 lastindex = wkr.kindex;
5199 if (wkr.kindex == 0xffff) {
5200 j += sprintf(ptr+j, "Tx key = %d\n",
5203 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5204 (int)wkr.kindex, (int)wkr.klen);
5206 readWepKeyRid(ai, &wkr, 0, 1);
5207 } while((lastindex != wkr.kindex) && (j < 180-30));
5209 data->readlen = strlen( data->rbuffer );
5213 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5214 struct proc_data *data;
5215 struct proc_dir_entry *dp = PDE(inode);
5216 struct net_device *dev = dp->data;
5217 struct airo_info *ai = dev->priv;
5222 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5224 memset(file->private_data, 0, sizeof(struct proc_data));
5225 data = (struct proc_data *)file->private_data;
5226 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5227 kfree (file->private_data);
5231 data->maxwritelen = 33*3;
5232 if ((data->wbuffer = kmalloc( 33*3, GFP_KERNEL )) == NULL) {
5233 kfree (data->rbuffer);
5234 kfree (file->private_data);
5237 memset( data->wbuffer, 0, 33*3 );
5238 data->on_close = proc_SSID_on_close;
5240 readSsidRid(ai, &SSID_rid);
5241 ptr = data->rbuffer;
5242 for( i = 0; i < 3; i++ ) {
5244 if ( !SSID_rid.ssids[i].len ) break;
5245 for( j = 0; j < 32 &&
5246 j < SSID_rid.ssids[i].len &&
5247 SSID_rid.ssids[i].ssid[j]; j++ ) {
5248 *ptr++ = SSID_rid.ssids[i].ssid[j];
5253 data->readlen = strlen( data->rbuffer );
5257 static int proc_APList_open( struct inode *inode, struct file *file ) {
5258 struct proc_data *data;
5259 struct proc_dir_entry *dp = PDE(inode);
5260 struct net_device *dev = dp->data;
5261 struct airo_info *ai = dev->priv;
5264 APListRid APList_rid;
5266 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5268 memset(file->private_data, 0, sizeof(struct proc_data));
5269 data = (struct proc_data *)file->private_data;
5270 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5271 kfree (file->private_data);
5275 data->maxwritelen = 4*6*3;
5276 if ((data->wbuffer = kmalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5277 kfree (data->rbuffer);
5278 kfree (file->private_data);
5281 memset( data->wbuffer, 0, data->maxwritelen );
5282 data->on_close = proc_APList_on_close;
5284 readAPListRid(ai, &APList_rid);
5285 ptr = data->rbuffer;
5286 for( i = 0; i < 4; i++ ) {
5287 // We end when we find a zero MAC
5288 if ( !*(int*)APList_rid.ap[i] &&
5289 !*(int*)&APList_rid.ap[i][2]) break;
5290 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5291 (int)APList_rid.ap[i][0],
5292 (int)APList_rid.ap[i][1],
5293 (int)APList_rid.ap[i][2],
5294 (int)APList_rid.ap[i][3],
5295 (int)APList_rid.ap[i][4],
5296 (int)APList_rid.ap[i][5]);
5298 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5301 data->readlen = strlen( data->rbuffer );
5305 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5306 struct proc_data *data;
5307 struct proc_dir_entry *dp = PDE(inode);
5308 struct net_device *dev = dp->data;
5309 struct airo_info *ai = dev->priv;
5311 BSSListRid BSSList_rid;
5313 /* If doLoseSync is not 1, we won't do a Lose Sync */
5314 int doLoseSync = -1;
5316 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5318 memset(file->private_data, 0, sizeof(struct proc_data));
5319 data = (struct proc_data *)file->private_data;
5320 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5321 kfree (file->private_data);
5325 data->maxwritelen = 0;
5326 data->wbuffer = NULL;
5327 data->on_close = NULL;
5329 if (file->f_mode & FMODE_WRITE) {
5330 if (!(file->f_mode & FMODE_READ)) {
5334 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5335 memset(&cmd, 0, sizeof(cmd));
5336 cmd.cmd=CMD_LISTBSS;
5337 if (down_interruptible(&ai->sem))
5338 return -ERESTARTSYS;
5339 issuecommand(ai, &cmd, &rsp);
5346 ptr = data->rbuffer;
5347 /* There is a race condition here if there are concurrent opens.
5348 Since it is a rare condition, we'll just live with it, otherwise
5349 we have to add a spin lock... */
5350 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5351 while(rc == 0 && BSSList_rid.index != 0xffff) {
5352 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5353 (int)BSSList_rid.bssid[0],
5354 (int)BSSList_rid.bssid[1],
5355 (int)BSSList_rid.bssid[2],
5356 (int)BSSList_rid.bssid[3],
5357 (int)BSSList_rid.bssid[4],
5358 (int)BSSList_rid.bssid[5],
5359 (int)BSSList_rid.ssidLen,
5361 (int)BSSList_rid.dBm);
5362 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5363 (int)BSSList_rid.dsChannel,
5364 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5365 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5366 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5367 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5368 rc = readBSSListRid(ai, 0, &BSSList_rid);
5371 data->readlen = strlen( data->rbuffer );
5375 static int proc_close( struct inode *inode, struct file *file )
5377 struct proc_data *data = (struct proc_data *)file->private_data;
5378 if ( data->on_close != NULL ) data->on_close( inode, file );
5379 if ( data->rbuffer ) kfree( data->rbuffer );
5380 if ( data->wbuffer ) kfree( data->wbuffer );
5385 static struct net_device_list {
5386 struct net_device *dev;
5387 struct net_device_list *next;
5390 /* Since the card doesn't automatically switch to the right WEP mode,
5391 we will make it do it. If the card isn't associated, every secs we
5392 will switch WEP modes to see if that will help. If the card is
5393 associated we will check every minute to see if anything has
5395 static void timer_func( struct net_device *dev ) {
5396 struct airo_info *apriv = dev->priv;
5399 /* We don't have a link so try changing the authtype */
5400 readConfigRid(apriv, 0);
5401 disable_MAC(apriv, 0);
5402 switch(apriv->config.authType) {
5404 /* So drop to OPEN */
5405 apriv->config.authType = AUTH_OPEN;
5407 case AUTH_SHAREDKEY:
5408 if (apriv->keyindex < auto_wep) {
5409 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5410 apriv->config.authType = AUTH_SHAREDKEY;
5413 /* Drop to ENCRYPT */
5414 apriv->keyindex = 0;
5415 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5416 apriv->config.authType = AUTH_ENCRYPT;
5419 default: /* We'll escalate to SHAREDKEY */
5420 apriv->config.authType = AUTH_SHAREDKEY;
5422 set_bit (FLAG_COMMIT, &apriv->flags);
5423 writeConfigRid(apriv, 0);
5424 enable_MAC(apriv, &rsp, 0);
5427 /* Schedule check to see if the change worked */
5428 clear_bit(JOB_AUTOWEP, &apriv->flags);
5429 apriv->expires = RUN_AT(HZ*3);
5432 static int add_airo_dev( struct net_device *dev ) {
5433 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5438 node->next = airo_devices;
5439 airo_devices = node;
5444 static void del_airo_dev( struct net_device *dev ) {
5445 struct net_device_list **p = &airo_devices;
5446 while( *p && ( (*p)->dev != dev ) )
5448 if ( *p && (*p)->dev == dev )
5453 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5454 const struct pci_device_id *pent)
5456 struct net_device *dev;
5458 if (pci_enable_device(pdev))
5460 pci_set_master(pdev);
5462 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5463 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5465 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5469 pci_set_drvdata(pdev, dev);
5473 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5477 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5479 struct net_device *dev = pci_get_drvdata(pdev);
5480 struct airo_info *ai = dev->priv;
5484 if ((ai->APList == NULL) &&
5485 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5487 if ((ai->SSID == NULL) &&
5488 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5490 readAPListRid(ai, ai->APList);
5491 readSsidRid(ai, ai->SSID);
5492 memset(&cmd, 0, sizeof(cmd));
5493 /* the lock will be released at the end of the resume callback */
5494 if (down_interruptible(&ai->sem))
5497 netif_device_detach(dev);
5500 issuecommand(ai, &cmd, &rsp);
5502 pci_enable_wake(pdev, state, 1);
5503 pci_save_state(pdev);
5504 return pci_set_power_state(pdev, state);
5507 static int airo_pci_resume(struct pci_dev *pdev)
5509 struct net_device *dev = pci_get_drvdata(pdev);
5510 struct airo_info *ai = dev->priv;
5513 pci_set_power_state(pdev, 0);
5514 pci_restore_state(pdev);
5515 pci_enable_wake(pdev, ai->power, 0);
5517 if (ai->power > 1) {
5519 mpi_init_descriptors(ai);
5520 setup_card(ai, dev->dev_addr, 0);
5521 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5522 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5524 OUT4500(ai, EVACK, EV_AWAKEN);
5525 OUT4500(ai, EVACK, EV_AWAKEN);
5529 set_bit (FLAG_COMMIT, &ai->flags);
5533 writeSsidRid(ai, ai->SSID, 0);
5538 writeAPListRid(ai, ai->APList, 0);
5542 writeConfigRid(ai, 0);
5543 enable_MAC(ai, &rsp, 0);
5545 netif_device_attach(dev);
5546 netif_wake_queue(dev);
5547 enable_interrupts(ai);
5553 static int __init airo_init_module( void )
5555 int i, have_isa_dev = 0;
5557 airo_entry = create_proc_entry("aironet",
5558 S_IFDIR | airo_perm,
5560 airo_entry->uid = proc_uid;
5561 airo_entry->gid = proc_gid;
5563 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5565 "airo: Trying to configure ISA adapter at irq=%d io=0x%x\n",
5567 if (init_airo_card( irq[i], io[i], 0, NULL ))
5572 printk( KERN_INFO "airo: Probing for PCI adapters\n" );
5573 pci_register_driver(&airo_driver);
5574 printk( KERN_INFO "airo: Finished probing for PCI adapters\n" );
5577 /* Always exit with success, as we are a library module
5578 * as well as a driver module
5583 static void __exit airo_cleanup_module( void )
5585 while( airo_devices ) {
5586 printk( KERN_INFO "airo: Unregistering %s\n", airo_devices->dev->name );
5587 stop_airo_card( airo_devices->dev, 1 );
5590 pci_unregister_driver(&airo_driver);
5592 remove_proc_entry("aironet", proc_root_driver);
5597 * Initial Wireless Extension code for Aironet driver by :
5598 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5599 * Conversion to new driver API by :
5600 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5601 * Javier also did a good amount of work here, adding some new extensions
5602 * and fixing my code. Let's just say that without him this code just
5603 * would not work at all... - Jean II
5606 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5611 return (0x100 - rssi_rid[rssi].rssidBm);
5614 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5621 for( i = 0; i < 256; i++ )
5622 if (rssi_rid[i].rssidBm == dbm)
5623 return rssi_rid[i].rssipct;
5629 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5633 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5634 if (memcmp(cap_rid->prodName, "350", 3))
5635 if (status_rid->signalQuality > 0x20)
5638 quality = 0x20 - status_rid->signalQuality;
5640 if (status_rid->signalQuality > 0xb0)
5642 else if (status_rid->signalQuality < 0x10)
5645 quality = 0xb0 - status_rid->signalQuality;
5650 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5651 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5653 /*------------------------------------------------------------------*/
5655 * Wireless Handler : get protocol name
5657 static int airo_get_name(struct net_device *dev,
5658 struct iw_request_info *info,
5662 strcpy(cwrq, "IEEE 802.11-DS");
5666 /*------------------------------------------------------------------*/
5668 * Wireless Handler : set frequency
5670 static int airo_set_freq(struct net_device *dev,
5671 struct iw_request_info *info,
5672 struct iw_freq *fwrq,
5675 struct airo_info *local = dev->priv;
5676 int rc = -EINPROGRESS; /* Call commit handler */
5678 /* If setting by frequency, convert to a channel */
5679 if((fwrq->e == 1) &&
5680 (fwrq->m >= (int) 2.412e8) &&
5681 (fwrq->m <= (int) 2.487e8)) {
5682 int f = fwrq->m / 100000;
5684 while((c < 14) && (f != frequency_list[c]))
5686 /* Hack to fall through... */
5690 /* Setting by channel number */
5691 if((fwrq->m > 1000) || (fwrq->e > 0))
5694 int channel = fwrq->m;
5695 /* We should do a better check than that,
5696 * based on the card capability !!! */
5697 if((channel < 1) || (channel > 16)) {
5698 printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
5701 readConfigRid(local, 1);
5702 /* Yes ! We can set it !!! */
5703 local->config.channelSet = (u16)(channel - 1);
5704 set_bit (FLAG_COMMIT, &local->flags);
5710 /*------------------------------------------------------------------*/
5712 * Wireless Handler : get frequency
5714 static int airo_get_freq(struct net_device *dev,
5715 struct iw_request_info *info,
5716 struct iw_freq *fwrq,
5719 struct airo_info *local = dev->priv;
5720 StatusRid status_rid; /* Card status info */
5722 readConfigRid(local, 1);
5723 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5724 status_rid.channel = local->config.channelSet;
5726 readStatusRid(local, &status_rid, 1);
5728 #ifdef WEXT_USECHANNELS
5729 fwrq->m = ((int)status_rid.channel) + 1;
5733 int f = (int)status_rid.channel;
5734 fwrq->m = frequency_list[f] * 100000;
5742 /*------------------------------------------------------------------*/
5744 * Wireless Handler : set ESSID
5746 static int airo_set_essid(struct net_device *dev,
5747 struct iw_request_info *info,
5748 struct iw_point *dwrq,
5751 struct airo_info *local = dev->priv;
5753 SsidRid SSID_rid; /* SSIDs */
5755 /* Reload the list of current SSID */
5756 readSsidRid(local, &SSID_rid);
5758 /* Check if we asked for `any' */
5759 if(dwrq->flags == 0) {
5760 /* Just send an empty SSID list */
5761 memset(&SSID_rid, 0, sizeof(SSID_rid));
5763 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5765 /* Check the size of the string */
5766 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5769 /* Check if index is valid */
5770 if((index < 0) || (index >= 4)) {
5775 memset(SSID_rid.ssids[index].ssid, 0,
5776 sizeof(SSID_rid.ssids[index].ssid));
5777 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5778 SSID_rid.ssids[index].len = dwrq->length - 1;
5780 SSID_rid.len = sizeof(SSID_rid);
5781 /* Write it to the card */
5782 disable_MAC(local, 1);
5783 writeSsidRid(local, &SSID_rid, 1);
5784 enable_MAC(local, &rsp, 1);
5789 /*------------------------------------------------------------------*/
5791 * Wireless Handler : get ESSID
5793 static int airo_get_essid(struct net_device *dev,
5794 struct iw_request_info *info,
5795 struct iw_point *dwrq,
5798 struct airo_info *local = dev->priv;
5799 StatusRid status_rid; /* Card status info */
5801 readStatusRid(local, &status_rid, 1);
5803 /* Note : if dwrq->flags != 0, we should
5804 * get the relevant SSID from the SSID list... */
5806 /* Get the current SSID */
5807 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5808 extra[status_rid.SSIDlen] = '\0';
5809 /* If none, we may want to get the one that was set */
5812 dwrq->length = status_rid.SSIDlen + 1;
5813 dwrq->flags = 1; /* active */
5818 /*------------------------------------------------------------------*/
5820 * Wireless Handler : set AP address
5822 static int airo_set_wap(struct net_device *dev,
5823 struct iw_request_info *info,
5824 struct sockaddr *awrq,
5827 struct airo_info *local = dev->priv;
5830 APListRid APList_rid;
5831 static const unsigned char bcast[ETH_ALEN] = { 255, 255, 255, 255, 255, 255 };
5833 if (awrq->sa_family != ARPHRD_ETHER)
5835 else if (!memcmp(bcast, awrq->sa_data, ETH_ALEN)) {
5836 memset(&cmd, 0, sizeof(cmd));
5837 cmd.cmd=CMD_LOSE_SYNC;
5838 if (down_interruptible(&local->sem))
5839 return -ERESTARTSYS;
5840 issuecommand(local, &cmd, &rsp);
5843 memset(&APList_rid, 0, sizeof(APList_rid));
5844 APList_rid.len = sizeof(APList_rid);
5845 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5846 disable_MAC(local, 1);
5847 writeAPListRid(local, &APList_rid, 1);
5848 enable_MAC(local, &rsp, 1);
5853 /*------------------------------------------------------------------*/
5855 * Wireless Handler : get AP address
5857 static int airo_get_wap(struct net_device *dev,
5858 struct iw_request_info *info,
5859 struct sockaddr *awrq,
5862 struct airo_info *local = dev->priv;
5863 StatusRid status_rid; /* Card status info */
5865 readStatusRid(local, &status_rid, 1);
5867 /* Tentative. This seems to work, wow, I'm lucky !!! */
5868 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5869 awrq->sa_family = ARPHRD_ETHER;
5874 /*------------------------------------------------------------------*/
5876 * Wireless Handler : set Nickname
5878 static int airo_set_nick(struct net_device *dev,
5879 struct iw_request_info *info,
5880 struct iw_point *dwrq,
5883 struct airo_info *local = dev->priv;
5885 /* Check the size of the string */
5886 if(dwrq->length > 16 + 1) {
5889 readConfigRid(local, 1);
5890 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5891 memcpy(local->config.nodeName, extra, dwrq->length);
5892 set_bit (FLAG_COMMIT, &local->flags);
5894 return -EINPROGRESS; /* Call commit handler */
5897 /*------------------------------------------------------------------*/
5899 * Wireless Handler : get Nickname
5901 static int airo_get_nick(struct net_device *dev,
5902 struct iw_request_info *info,
5903 struct iw_point *dwrq,
5906 struct airo_info *local = dev->priv;
5908 readConfigRid(local, 1);
5909 strncpy(extra, local->config.nodeName, 16);
5911 dwrq->length = strlen(extra) + 1;
5916 /*------------------------------------------------------------------*/
5918 * Wireless Handler : set Bit-Rate
5920 static int airo_set_rate(struct net_device *dev,
5921 struct iw_request_info *info,
5922 struct iw_param *vwrq,
5925 struct airo_info *local = dev->priv;
5926 CapabilityRid cap_rid; /* Card capability info */
5930 /* First : get a valid bit rate value */
5931 readCapabilityRid(local, &cap_rid, 1);
5933 /* Which type of value ? */
5934 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5935 /* Setting by rate index */
5936 /* Find value in the magic rate table */
5937 brate = cap_rid.supportedRates[vwrq->value];
5939 /* Setting by frequency value */
5940 u8 normvalue = (u8) (vwrq->value/500000);
5942 /* Check if rate is valid */
5943 for(i = 0 ; i < 8 ; i++) {
5944 if(normvalue == cap_rid.supportedRates[i]) {
5950 /* -1 designed the max rate (mostly auto mode) */
5951 if(vwrq->value == -1) {
5952 /* Get the highest available rate */
5953 for(i = 0 ; i < 8 ; i++) {
5954 if(cap_rid.supportedRates[i] == 0)
5958 brate = cap_rid.supportedRates[i - 1];
5960 /* Check that it is valid */
5965 readConfigRid(local, 1);
5966 /* Now, check if we want a fixed or auto value */
5967 if(vwrq->fixed == 0) {
5968 /* Fill all the rates up to this max rate */
5969 memset(local->config.rates, 0, 8);
5970 for(i = 0 ; i < 8 ; i++) {
5971 local->config.rates[i] = cap_rid.supportedRates[i];
5972 if(local->config.rates[i] == brate)
5977 /* One rate, fixed */
5978 memset(local->config.rates, 0, 8);
5979 local->config.rates[0] = brate;
5981 set_bit (FLAG_COMMIT, &local->flags);
5983 return -EINPROGRESS; /* Call commit handler */
5986 /*------------------------------------------------------------------*/
5988 * Wireless Handler : get Bit-Rate
5990 static int airo_get_rate(struct net_device *dev,
5991 struct iw_request_info *info,
5992 struct iw_param *vwrq,
5995 struct airo_info *local = dev->priv;
5996 StatusRid status_rid; /* Card status info */
5998 readStatusRid(local, &status_rid, 1);
6000 vwrq->value = status_rid.currentXmitRate * 500000;
6001 /* If more than one rate, set auto */
6002 readConfigRid(local, 1);
6003 vwrq->fixed = (local->config.rates[1] == 0);
6008 /*------------------------------------------------------------------*/
6010 * Wireless Handler : set RTS threshold
6012 static int airo_set_rts(struct net_device *dev,
6013 struct iw_request_info *info,
6014 struct iw_param *vwrq,
6017 struct airo_info *local = dev->priv;
6018 int rthr = vwrq->value;
6022 if((rthr < 0) || (rthr > 2312)) {
6025 readConfigRid(local, 1);
6026 local->config.rtsThres = rthr;
6027 set_bit (FLAG_COMMIT, &local->flags);
6029 return -EINPROGRESS; /* Call commit handler */
6032 /*------------------------------------------------------------------*/
6034 * Wireless Handler : get RTS threshold
6036 static int airo_get_rts(struct net_device *dev,
6037 struct iw_request_info *info,
6038 struct iw_param *vwrq,
6041 struct airo_info *local = dev->priv;
6043 readConfigRid(local, 1);
6044 vwrq->value = local->config.rtsThres;
6045 vwrq->disabled = (vwrq->value >= 2312);
6051 /*------------------------------------------------------------------*/
6053 * Wireless Handler : set Fragmentation threshold
6055 static int airo_set_frag(struct net_device *dev,
6056 struct iw_request_info *info,
6057 struct iw_param *vwrq,
6060 struct airo_info *local = dev->priv;
6061 int fthr = vwrq->value;
6065 if((fthr < 256) || (fthr > 2312)) {
6068 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6069 readConfigRid(local, 1);
6070 local->config.fragThresh = (u16)fthr;
6071 set_bit (FLAG_COMMIT, &local->flags);
6073 return -EINPROGRESS; /* Call commit handler */
6076 /*------------------------------------------------------------------*/
6078 * Wireless Handler : get Fragmentation threshold
6080 static int airo_get_frag(struct net_device *dev,
6081 struct iw_request_info *info,
6082 struct iw_param *vwrq,
6085 struct airo_info *local = dev->priv;
6087 readConfigRid(local, 1);
6088 vwrq->value = local->config.fragThresh;
6089 vwrq->disabled = (vwrq->value >= 2312);
6095 /*------------------------------------------------------------------*/
6097 * Wireless Handler : set Mode of Operation
6099 static int airo_set_mode(struct net_device *dev,
6100 struct iw_request_info *info,
6104 struct airo_info *local = dev->priv;
6107 readConfigRid(local, 1);
6108 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6113 local->config.opmode &= 0xFF00;
6114 local->config.opmode |= MODE_STA_IBSS;
6115 local->config.rmode &= 0xfe00;
6116 local->config.scanMode = SCANMODE_ACTIVE;
6117 clear_bit (FLAG_802_11, &local->flags);
6120 local->config.opmode &= 0xFF00;
6121 local->config.opmode |= MODE_STA_ESS;
6122 local->config.rmode &= 0xfe00;
6123 local->config.scanMode = SCANMODE_ACTIVE;
6124 clear_bit (FLAG_802_11, &local->flags);
6126 case IW_MODE_MASTER:
6127 local->config.opmode &= 0xFF00;
6128 local->config.opmode |= MODE_AP;
6129 local->config.rmode &= 0xfe00;
6130 local->config.scanMode = SCANMODE_ACTIVE;
6131 clear_bit (FLAG_802_11, &local->flags);
6133 case IW_MODE_REPEAT:
6134 local->config.opmode &= 0xFF00;
6135 local->config.opmode |= MODE_AP_RPTR;
6136 local->config.rmode &= 0xfe00;
6137 local->config.scanMode = SCANMODE_ACTIVE;
6138 clear_bit (FLAG_802_11, &local->flags);
6140 case IW_MODE_MONITOR:
6141 local->config.opmode &= 0xFF00;
6142 local->config.opmode |= MODE_STA_ESS;
6143 local->config.rmode &= 0xfe00;
6144 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6145 local->config.scanMode = SCANMODE_PASSIVE;
6146 set_bit (FLAG_802_11, &local->flags);
6152 set_bit (FLAG_RESET, &local->flags);
6153 set_bit (FLAG_COMMIT, &local->flags);
6155 return -EINPROGRESS; /* Call commit handler */
6158 /*------------------------------------------------------------------*/
6160 * Wireless Handler : get Mode of Operation
6162 static int airo_get_mode(struct net_device *dev,
6163 struct iw_request_info *info,
6167 struct airo_info *local = dev->priv;
6169 readConfigRid(local, 1);
6170 /* If not managed, assume it's ad-hoc */
6171 switch (local->config.opmode & 0xFF) {
6173 *uwrq = IW_MODE_INFRA;
6176 *uwrq = IW_MODE_MASTER;
6179 *uwrq = IW_MODE_REPEAT;
6182 *uwrq = IW_MODE_ADHOC;
6188 /*------------------------------------------------------------------*/
6190 * Wireless Handler : set Encryption Key
6192 static int airo_set_encode(struct net_device *dev,
6193 struct iw_request_info *info,
6194 struct iw_point *dwrq,
6197 struct airo_info *local = dev->priv;
6198 CapabilityRid cap_rid; /* Card capability info */
6200 /* Is WEP supported ? */
6201 readCapabilityRid(local, &cap_rid, 1);
6202 /* Older firmware doesn't support this...
6203 if(!(cap_rid.softCap & 2)) {
6206 readConfigRid(local, 1);
6208 /* Basic checking: do we have a key to set ?
6209 * Note : with the new API, it's impossible to get a NULL pointer.
6210 * Therefore, we need to check a key size == 0 instead.
6211 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6212 * when no key is present (only change flags), but older versions
6213 * don't do it. - Jean II */
6214 if (dwrq->length > 0) {
6216 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6217 int current_index = get_wep_key(local, 0xffff);
6218 /* Check the size of the key */
6219 if (dwrq->length > MAX_KEY_SIZE) {
6222 /* Check the index (none -> use current) */
6223 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6224 index = current_index;
6225 /* Set the length */
6226 if (dwrq->length > MIN_KEY_SIZE)
6227 key.len = MAX_KEY_SIZE;
6229 if (dwrq->length > 0)
6230 key.len = MIN_KEY_SIZE;
6232 /* Disable the key */
6234 /* Check if the key is not marked as invalid */
6235 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6237 memset(key.key, 0, MAX_KEY_SIZE);
6238 /* Copy the key in the driver */
6239 memcpy(key.key, extra, dwrq->length);
6240 /* Send the key to the card */
6241 set_wep_key(local, index, key.key, key.len, 1, 1);
6243 /* WE specify that if a valid key is set, encryption
6244 * should be enabled (user may turn it off later)
6245 * This is also how "iwconfig ethX key on" works */
6246 if((index == current_index) && (key.len > 0) &&
6247 (local->config.authType == AUTH_OPEN)) {
6248 local->config.authType = AUTH_ENCRYPT;
6249 set_bit (FLAG_COMMIT, &local->flags);
6252 /* Do we want to just set the transmit key index ? */
6253 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6254 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6255 set_wep_key(local, index, NULL, 0, 1, 1);
6257 /* Don't complain if only change the mode */
6258 if(!dwrq->flags & IW_ENCODE_MODE) {
6262 /* Read the flags */
6263 if(dwrq->flags & IW_ENCODE_DISABLED)
6264 local->config.authType = AUTH_OPEN; // disable encryption
6265 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6266 local->config.authType = AUTH_SHAREDKEY; // Only Both
6267 if(dwrq->flags & IW_ENCODE_OPEN)
6268 local->config.authType = AUTH_ENCRYPT; // Only Wep
6269 /* Commit the changes to flags if needed */
6270 if(dwrq->flags & IW_ENCODE_MODE)
6271 set_bit (FLAG_COMMIT, &local->flags);
6272 return -EINPROGRESS; /* Call commit handler */
6275 /*------------------------------------------------------------------*/
6277 * Wireless Handler : get Encryption Key
6279 static int airo_get_encode(struct net_device *dev,
6280 struct iw_request_info *info,
6281 struct iw_point *dwrq,
6284 struct airo_info *local = dev->priv;
6285 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6286 CapabilityRid cap_rid; /* Card capability info */
6288 /* Is it supported ? */
6289 readCapabilityRid(local, &cap_rid, 1);
6290 if(!(cap_rid.softCap & 2)) {
6293 readConfigRid(local, 1);
6294 /* Check encryption mode */
6295 switch(local->config.authType) {
6297 dwrq->flags = IW_ENCODE_OPEN;
6299 case AUTH_SHAREDKEY:
6300 dwrq->flags = IW_ENCODE_RESTRICTED;
6304 dwrq->flags = IW_ENCODE_DISABLED;
6307 /* We can't return the key, so set the proper flag and return zero */
6308 dwrq->flags |= IW_ENCODE_NOKEY;
6309 memset(extra, 0, 16);
6311 /* Which key do we want ? -1 -> tx index */
6312 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6313 index = get_wep_key(local, 0xffff);
6314 dwrq->flags |= index + 1;
6315 /* Copy the key to the user buffer */
6316 dwrq->length = get_wep_key(local, index);
6317 if (dwrq->length > 16) {
6323 /*------------------------------------------------------------------*/
6325 * Wireless Handler : set Tx-Power
6327 static int airo_set_txpow(struct net_device *dev,
6328 struct iw_request_info *info,
6329 struct iw_param *vwrq,
6332 struct airo_info *local = dev->priv;
6333 CapabilityRid cap_rid; /* Card capability info */
6337 readCapabilityRid(local, &cap_rid, 1);
6339 if (vwrq->disabled) {
6340 set_bit (FLAG_RADIO_OFF, &local->flags);
6341 set_bit (FLAG_COMMIT, &local->flags);
6342 return -EINPROGRESS; /* Call commit handler */
6344 if (vwrq->flags != IW_TXPOW_MWATT) {
6347 clear_bit (FLAG_RADIO_OFF, &local->flags);
6348 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6349 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6350 readConfigRid(local, 1);
6351 local->config.txPower = vwrq->value;
6352 set_bit (FLAG_COMMIT, &local->flags);
6353 rc = -EINPROGRESS; /* Call commit handler */
6359 /*------------------------------------------------------------------*/
6361 * Wireless Handler : get Tx-Power
6363 static int airo_get_txpow(struct net_device *dev,
6364 struct iw_request_info *info,
6365 struct iw_param *vwrq,
6368 struct airo_info *local = dev->priv;
6370 readConfigRid(local, 1);
6371 vwrq->value = local->config.txPower;
6372 vwrq->fixed = 1; /* No power control */
6373 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6374 vwrq->flags = IW_TXPOW_MWATT;
6379 /*------------------------------------------------------------------*/
6381 * Wireless Handler : set Retry limits
6383 static int airo_set_retry(struct net_device *dev,
6384 struct iw_request_info *info,
6385 struct iw_param *vwrq,
6388 struct airo_info *local = dev->priv;
6391 if(vwrq->disabled) {
6394 readConfigRid(local, 1);
6395 if(vwrq->flags & IW_RETRY_LIMIT) {
6396 if(vwrq->flags & IW_RETRY_MAX)
6397 local->config.longRetryLimit = vwrq->value;
6398 else if (vwrq->flags & IW_RETRY_MIN)
6399 local->config.shortRetryLimit = vwrq->value;
6401 /* No modifier : set both */
6402 local->config.longRetryLimit = vwrq->value;
6403 local->config.shortRetryLimit = vwrq->value;
6405 set_bit (FLAG_COMMIT, &local->flags);
6406 rc = -EINPROGRESS; /* Call commit handler */
6408 if(vwrq->flags & IW_RETRY_LIFETIME) {
6409 local->config.txLifetime = vwrq->value / 1024;
6410 set_bit (FLAG_COMMIT, &local->flags);
6411 rc = -EINPROGRESS; /* Call commit handler */
6416 /*------------------------------------------------------------------*/
6418 * Wireless Handler : get Retry limits
6420 static int airo_get_retry(struct net_device *dev,
6421 struct iw_request_info *info,
6422 struct iw_param *vwrq,
6425 struct airo_info *local = dev->priv;
6427 vwrq->disabled = 0; /* Can't be disabled */
6429 readConfigRid(local, 1);
6430 /* Note : by default, display the min retry number */
6431 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6432 vwrq->flags = IW_RETRY_LIFETIME;
6433 vwrq->value = (int)local->config.txLifetime * 1024;
6434 } else if((vwrq->flags & IW_RETRY_MAX)) {
6435 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6436 vwrq->value = (int)local->config.longRetryLimit;
6438 vwrq->flags = IW_RETRY_LIMIT;
6439 vwrq->value = (int)local->config.shortRetryLimit;
6440 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6441 vwrq->flags |= IW_RETRY_MIN;
6447 /*------------------------------------------------------------------*/
6449 * Wireless Handler : get range info
6451 static int airo_get_range(struct net_device *dev,
6452 struct iw_request_info *info,
6453 struct iw_point *dwrq,
6456 struct airo_info *local = dev->priv;
6457 struct iw_range *range = (struct iw_range *) extra;
6458 CapabilityRid cap_rid; /* Card capability info */
6462 readCapabilityRid(local, &cap_rid, 1);
6464 dwrq->length = sizeof(struct iw_range);
6465 memset(range, 0, sizeof(*range));
6466 range->min_nwid = 0x0000;
6467 range->max_nwid = 0x0000;
6468 range->num_channels = 14;
6469 /* Should be based on cap_rid.country to give only
6470 * what the current card support */
6472 for(i = 0; i < 14; i++) {
6473 range->freq[k].i = i + 1; /* List index */
6474 range->freq[k].m = frequency_list[i] * 100000;
6475 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6477 range->num_frequency = k;
6479 range->sensitivity = 65535;
6481 /* Hum... Should put the right values there */
6483 range->max_qual.qual = 100; /* % */
6485 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6486 range->max_qual.level = 0; /* 0 means we use dBm */
6487 range->max_qual.noise = 0;
6488 range->max_qual.updated = 0;
6490 /* Experimental measurements - boundary 11/5.5 Mb/s */
6491 /* Note : with or without the (local->rssi), results
6492 * are somewhat different. - Jean II */
6494 range->avg_qual.qual = 50; /* % */
6495 range->avg_qual.level = 186; /* -70 dBm */
6497 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6498 range->avg_qual.level = 176; /* -80 dBm */
6500 range->avg_qual.noise = 0;
6501 range->avg_qual.updated = 0;
6503 for(i = 0 ; i < 8 ; i++) {
6504 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6505 if(range->bitrate[i] == 0)
6508 range->num_bitrates = i;
6510 /* Set an indication of the max TCP throughput
6511 * in bit/s that we can expect using this interface.
6512 * May be use for QoS stuff... Jean II */
6514 range->throughput = 5000 * 1000;
6516 range->throughput = 1500 * 1000;
6519 range->max_rts = 2312;
6520 range->min_frag = 256;
6521 range->max_frag = 2312;
6523 if(cap_rid.softCap & 2) {
6525 range->encoding_size[0] = 5;
6527 if (cap_rid.softCap & 0x100) {
6528 range->encoding_size[1] = 13;
6529 range->num_encoding_sizes = 2;
6531 range->num_encoding_sizes = 1;
6532 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6534 range->num_encoding_sizes = 0;
6535 range->max_encoding_tokens = 0;
6538 range->max_pmp = 5000000; /* 5 secs */
6540 range->max_pmt = 65535 * 1024; /* ??? */
6541 range->pmp_flags = IW_POWER_PERIOD;
6542 range->pmt_flags = IW_POWER_TIMEOUT;
6543 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6545 /* Transmit Power - values are in mW */
6546 for(i = 0 ; i < 8 ; i++) {
6547 range->txpower[i] = cap_rid.txPowerLevels[i];
6548 if(range->txpower[i] == 0)
6551 range->num_txpower = i;
6552 range->txpower_capa = IW_TXPOW_MWATT;
6553 range->we_version_source = 12;
6554 range->we_version_compiled = WIRELESS_EXT;
6555 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6556 range->retry_flags = IW_RETRY_LIMIT;
6557 range->r_time_flags = IW_RETRY_LIFETIME;
6558 range->min_retry = 1;
6559 range->max_retry = 65535;
6560 range->min_r_time = 1024;
6561 range->max_r_time = 65535 * 1024;
6563 /* Event capability (kernel + driver) */
6564 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6565 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6566 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6567 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6568 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6569 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6573 /*------------------------------------------------------------------*/
6575 * Wireless Handler : set Power Management
6577 static int airo_set_power(struct net_device *dev,
6578 struct iw_request_info *info,
6579 struct iw_param *vwrq,
6582 struct airo_info *local = dev->priv;
6584 readConfigRid(local, 1);
6585 if (vwrq->disabled) {
6586 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6589 local->config.powerSaveMode = POWERSAVE_CAM;
6590 local->config.rmode &= 0xFF00;
6591 local->config.rmode |= RXMODE_BC_MC_ADDR;
6592 set_bit (FLAG_COMMIT, &local->flags);
6593 return -EINPROGRESS; /* Call commit handler */
6595 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6596 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6597 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6598 set_bit (FLAG_COMMIT, &local->flags);
6599 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6600 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6601 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6602 set_bit (FLAG_COMMIT, &local->flags);
6604 switch (vwrq->flags & IW_POWER_MODE) {
6605 case IW_POWER_UNICAST_R:
6606 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6609 local->config.rmode &= 0xFF00;
6610 local->config.rmode |= RXMODE_ADDR;
6611 set_bit (FLAG_COMMIT, &local->flags);
6613 case IW_POWER_ALL_R:
6614 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6617 local->config.rmode &= 0xFF00;
6618 local->config.rmode |= RXMODE_BC_MC_ADDR;
6619 set_bit (FLAG_COMMIT, &local->flags);
6625 // Note : we may want to factor local->need_commit here
6626 // Note2 : may also want to factor RXMODE_RFMON test
6627 return -EINPROGRESS; /* Call commit handler */
6630 /*------------------------------------------------------------------*/
6632 * Wireless Handler : get Power Management
6634 static int airo_get_power(struct net_device *dev,
6635 struct iw_request_info *info,
6636 struct iw_param *vwrq,
6639 struct airo_info *local = dev->priv;
6642 readConfigRid(local, 1);
6643 mode = local->config.powerSaveMode;
6644 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6646 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6647 vwrq->value = (int)local->config.fastListenDelay * 1024;
6648 vwrq->flags = IW_POWER_TIMEOUT;
6650 vwrq->value = (int)local->config.fastListenInterval * 1024;
6651 vwrq->flags = IW_POWER_PERIOD;
6653 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
6654 vwrq->flags |= IW_POWER_UNICAST_R;
6656 vwrq->flags |= IW_POWER_ALL_R;
6661 /*------------------------------------------------------------------*/
6663 * Wireless Handler : set Sensitivity
6665 static int airo_set_sens(struct net_device *dev,
6666 struct iw_request_info *info,
6667 struct iw_param *vwrq,
6670 struct airo_info *local = dev->priv;
6672 readConfigRid(local, 1);
6673 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
6674 set_bit (FLAG_COMMIT, &local->flags);
6676 return -EINPROGRESS; /* Call commit handler */
6679 /*------------------------------------------------------------------*/
6681 * Wireless Handler : get Sensitivity
6683 static int airo_get_sens(struct net_device *dev,
6684 struct iw_request_info *info,
6685 struct iw_param *vwrq,
6688 struct airo_info *local = dev->priv;
6690 readConfigRid(local, 1);
6691 vwrq->value = local->config.rssiThreshold;
6692 vwrq->disabled = (vwrq->value == 0);
6698 /*------------------------------------------------------------------*/
6700 * Wireless Handler : get AP List
6701 * Note : this is deprecated in favor of IWSCAN
6703 static int airo_get_aplist(struct net_device *dev,
6704 struct iw_request_info *info,
6705 struct iw_point *dwrq,
6708 struct airo_info *local = dev->priv;
6709 struct sockaddr *address = (struct sockaddr *) extra;
6710 struct iw_quality qual[IW_MAX_AP];
6713 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
6715 for (i = 0; i < IW_MAX_AP; i++) {
6716 if (readBSSListRid(local, loseSync, &BSSList))
6719 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
6720 address[i].sa_family = ARPHRD_ETHER;
6722 qual[i].level = 0x100 - BSSList.dBm;
6723 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
6724 qual[i].updated = IW_QUAL_QUAL_UPDATED;
6726 qual[i].level = (BSSList.dBm + 321) / 2;
6728 qual[i].updated = IW_QUAL_QUAL_INVALID;
6730 qual[i].noise = local->wstats.qual.noise;
6731 qual[i].updated = IW_QUAL_LEVEL_UPDATED
6732 | IW_QUAL_NOISE_UPDATED;
6733 if (BSSList.index == 0xffff)
6737 StatusRid status_rid; /* Card status info */
6738 readStatusRid(local, &status_rid, 1);
6740 i < min(IW_MAX_AP, 4) &&
6741 (status_rid.bssid[i][0]
6742 & status_rid.bssid[i][1]
6743 & status_rid.bssid[i][2]
6744 & status_rid.bssid[i][3]
6745 & status_rid.bssid[i][4]
6746 & status_rid.bssid[i][5])!=0xff &&
6747 (status_rid.bssid[i][0]
6748 | status_rid.bssid[i][1]
6749 | status_rid.bssid[i][2]
6750 | status_rid.bssid[i][3]
6751 | status_rid.bssid[i][4]
6752 | status_rid.bssid[i][5]);
6754 memcpy(address[i].sa_data,
6755 status_rid.bssid[i], ETH_ALEN);
6756 address[i].sa_family = ARPHRD_ETHER;
6759 dwrq->flags = 1; /* Should be define'd */
6760 memcpy(extra + sizeof(struct sockaddr)*i,
6761 &qual, sizeof(struct iw_quality)*i);
6768 /*------------------------------------------------------------------*/
6770 * Wireless Handler : Initiate Scan
6772 static int airo_set_scan(struct net_device *dev,
6773 struct iw_request_info *info,
6774 struct iw_param *vwrq,
6777 struct airo_info *ai = dev->priv;
6781 /* Note : you may have realised that, as this is a SET operation,
6782 * this is privileged and therefore a normal user can't
6784 * This is not an error, while the device perform scanning,
6785 * traffic doesn't flow, so it's a perfect DoS...
6787 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
6789 /* Initiate a scan command */
6790 memset(&cmd, 0, sizeof(cmd));
6791 cmd.cmd=CMD_LISTBSS;
6792 if (down_interruptible(&ai->sem))
6793 return -ERESTARTSYS;
6794 issuecommand(ai, &cmd, &rsp);
6795 ai->scan_timestamp = jiffies;
6798 /* At this point, just return to the user. */
6803 /*------------------------------------------------------------------*/
6805 * Translate scan data returned from the card to a card independent
6806 * format that the Wireless Tools will understand - Jean II
6808 static inline char *airo_translate_scan(struct net_device *dev,
6813 struct airo_info *ai = dev->priv;
6814 struct iw_event iwe; /* Temporary buffer */
6816 char * current_val; /* For rates */
6819 /* First entry *MUST* be the AP MAC address */
6820 iwe.cmd = SIOCGIWAP;
6821 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
6822 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
6823 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
6825 /* Other entries will be displayed in the order we give them */
6828 iwe.u.data.length = bss->ssidLen;
6829 if(iwe.u.data.length > 32)
6830 iwe.u.data.length = 32;
6831 iwe.cmd = SIOCGIWESSID;
6832 iwe.u.data.flags = 1;
6833 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6836 iwe.cmd = SIOCGIWMODE;
6837 capabilities = le16_to_cpu(bss->cap);
6838 if(capabilities & (CAP_ESS | CAP_IBSS)) {
6839 if(capabilities & CAP_ESS)
6840 iwe.u.mode = IW_MODE_MASTER;
6842 iwe.u.mode = IW_MODE_ADHOC;
6843 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
6847 iwe.cmd = SIOCGIWFREQ;
6848 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
6849 iwe.u.freq.m = frequency_list[iwe.u.freq.m] * 100000;
6851 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
6853 /* Add quality statistics */
6856 iwe.u.qual.level = 0x100 - bss->dBm;
6857 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
6858 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED;
6860 iwe.u.qual.level = (bss->dBm + 321) / 2;
6861 iwe.u.qual.qual = 0;
6862 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID;
6864 iwe.u.qual.noise = ai->wstats.qual.noise;
6865 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
6866 | IW_QUAL_NOISE_UPDATED;
6867 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
6869 /* Add encryption capability */
6870 iwe.cmd = SIOCGIWENCODE;
6871 if(capabilities & CAP_PRIVACY)
6872 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
6874 iwe.u.data.flags = IW_ENCODE_DISABLED;
6875 iwe.u.data.length = 0;
6876 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6878 /* Rate : stuffing multiple values in a single event require a bit
6879 * more of magic - Jean II */
6880 current_val = current_ev + IW_EV_LCP_LEN;
6882 iwe.cmd = SIOCGIWRATE;
6883 /* Those two flags are ignored... */
6884 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
6886 for(i = 0 ; i < 8 ; i++) {
6887 /* NULL terminated */
6888 if(bss->rates[i] == 0)
6890 /* Bit rate given in 500 kb/s units (+ 0x80) */
6891 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
6892 /* Add new value to event */
6893 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
6895 /* Check if we added any event */
6896 if((current_val - current_ev) > IW_EV_LCP_LEN)
6897 current_ev = current_val;
6899 /* The other data in the scan result are not really
6900 * interesting, so for now drop it - Jean II */
6904 /*------------------------------------------------------------------*/
6906 * Wireless Handler : Read Scan Results
6908 static int airo_get_scan(struct net_device *dev,
6909 struct iw_request_info *info,
6910 struct iw_point *dwrq,
6913 struct airo_info *ai = dev->priv;
6916 char *current_ev = extra;
6918 /* When we are associated again, the scan has surely finished.
6919 * Just in case, let's make sure enough time has elapsed since
6920 * we started the scan. - Javier */
6921 if(ai->scan_timestamp && time_before(jiffies,ai->scan_timestamp+3*HZ)) {
6922 /* Important note : we don't want to block the caller
6923 * until results are ready for various reasons.
6924 * First, managing wait queues is complex and racy
6925 * (there may be multiple simultaneous callers).
6926 * Second, we grab some rtnetlink lock before comming
6927 * here (in dev_ioctl()).
6928 * Third, the caller can wait on the Wireless Event
6932 ai->scan_timestamp = 0;
6934 /* There's only a race with proc_BSSList_open(), but its
6935 * consequences are begnign. So I don't bother fixing it - Javier */
6937 /* Try to read the first entry of the scan result */
6938 rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 1);
6939 if((rc) || (BSSList.index == 0xffff)) {
6940 /* Client error, no scan results...
6941 * The caller need to restart the scan. */
6945 /* Read and parse all entries */
6946 while((!rc) && (BSSList.index != 0xffff)) {
6947 /* Translate to WE format this entry */
6948 current_ev = airo_translate_scan(dev, current_ev,
6949 extra + dwrq->length,
6952 /* Check if there is space for one more entry */
6953 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
6954 /* Ask user space to try again with a bigger buffer */
6958 /* Read next entry */
6959 rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
6960 &BSSList, sizeof(BSSList), 1);
6962 /* Length of data */
6963 dwrq->length = (current_ev - extra);
6964 dwrq->flags = 0; /* todo */
6969 /*------------------------------------------------------------------*/
6971 * Commit handler : called after a bunch of SET operations
6973 static int airo_config_commit(struct net_device *dev,
6974 struct iw_request_info *info, /* NULL */
6975 void *zwrq, /* NULL */
6976 char *extra) /* NULL */
6978 struct airo_info *local = dev->priv;
6981 if (!test_bit (FLAG_COMMIT, &local->flags))
6984 /* Some of the "SET" function may have modified some of the
6985 * parameters. It's now time to commit them in the card */
6986 disable_MAC(local, 1);
6987 if (test_bit (FLAG_RESET, &local->flags)) {
6988 APListRid APList_rid;
6991 readAPListRid(local, &APList_rid);
6992 readSsidRid(local, &SSID_rid);
6993 if (test_bit(FLAG_MPI,&local->flags))
6994 setup_card(local, dev->dev_addr, 1 );
6996 reset_airo_card(dev);
6997 disable_MAC(local, 1);
6998 writeSsidRid(local, &SSID_rid, 1);
6999 writeAPListRid(local, &APList_rid, 1);
7001 if (down_interruptible(&local->sem))
7002 return -ERESTARTSYS;
7003 writeConfigRid(local, 0);
7004 enable_MAC(local, &rsp, 0);
7005 if (test_bit (FLAG_RESET, &local->flags))
7006 airo_set_promisc(local);
7013 /*------------------------------------------------------------------*/
7015 * Structures to export the Wireless Handlers
7018 static const struct iw_priv_args airo_private_args[] = {
7019 /*{ cmd, set_args, get_args, name } */
7020 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7021 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7022 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7023 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7026 static const iw_handler airo_handler[] =
7028 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7029 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7030 (iw_handler) NULL, /* SIOCSIWNWID */
7031 (iw_handler) NULL, /* SIOCGIWNWID */
7032 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7033 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7034 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7035 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7036 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7037 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7038 (iw_handler) NULL, /* SIOCSIWRANGE */
7039 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7040 (iw_handler) NULL, /* SIOCSIWPRIV */
7041 (iw_handler) NULL, /* SIOCGIWPRIV */
7042 (iw_handler) NULL, /* SIOCSIWSTATS */
7043 (iw_handler) NULL, /* SIOCGIWSTATS */
7044 iw_handler_set_spy, /* SIOCSIWSPY */
7045 iw_handler_get_spy, /* SIOCGIWSPY */
7046 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7047 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7048 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7049 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7050 (iw_handler) NULL, /* -- hole -- */
7051 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7052 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7053 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7054 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7055 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7056 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7057 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7058 (iw_handler) NULL, /* -- hole -- */
7059 (iw_handler) NULL, /* -- hole -- */
7060 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7061 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7062 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7063 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7064 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7065 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7066 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7067 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7068 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7069 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7070 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7071 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7072 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7073 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7076 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7077 * We want to force the use of the ioctl code, because those can't be
7078 * won't work the iw_handler code (because they simultaneously read
7079 * and write data and iw_handler can't do that).
7080 * Note that it's perfectly legal to read/write on a single ioctl command,
7081 * you just can't use iwpriv and need to force it via the ioctl handler.
7083 static const iw_handler airo_private_handler[] =
7085 NULL, /* SIOCIWFIRSTPRIV */
7088 static const struct iw_handler_def airo_handler_def =
7090 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7091 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7092 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7093 .standard = airo_handler,
7094 .private = airo_private_handler,
7095 .private_args = airo_private_args,
7096 .get_wireless_stats = airo_get_wireless_stats,
7099 #endif /* WIRELESS_EXT */
7102 * This defines the configuration part of the Wireless Extensions
7103 * Note : irq and spinlock protection will occur in the subroutines
7106 * o Check input value more carefully and fill correct values in range
7107 * o Test and shakeout the bugs (if any)
7111 * Javier Achirica did a great job of merging code from the unnamed CISCO
7112 * developer that added support for flashing the card.
7114 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7117 struct airo_info *ai = (struct airo_info *)dev->priv;
7129 int val = AIROMAGIC;
7131 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7133 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7142 /* Get the command struct and hand it off for evaluation by
7143 * the proper subfunction
7147 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7152 /* Separate R/W functions bracket legality here
7154 if ( com.command == AIRORSWVERSION ) {
7155 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7160 else if ( com.command <= AIRORRID)
7161 rc = readrids(dev,&com);
7162 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7163 rc = writerids(dev,&com);
7164 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7165 rc = flashcard(dev,&com);
7167 rc = -EINVAL; /* Bad command in ioctl */
7170 #endif /* CISCO_EXT */
7172 // All other calls are currently unsupported
7181 * Get the Wireless stats out of the driver
7182 * Note : irq and spinlock protection will occur in the subroutines
7185 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7189 static void airo_read_wireless_stats(struct airo_info *local)
7191 StatusRid status_rid;
7193 CapabilityRid cap_rid;
7194 u32 *vals = stats_rid.vals;
7196 /* Get stats out of the card */
7197 clear_bit(JOB_WSTATS, &local->flags);
7202 readCapabilityRid(local, &cap_rid, 0);
7203 readStatusRid(local, &status_rid, 0);
7204 readStatsRid(local, &stats_rid, RID_STATS, 0);
7208 local->wstats.status = status_rid.mode;
7210 /* Signal quality and co */
7212 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7213 /* normalizedSignalStrength appears to be a percentage */
7214 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7216 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7217 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7219 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED;
7220 if (status_rid.len >= 124) {
7221 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7222 local->wstats.qual.updated |= IW_QUAL_NOISE_UPDATED;
7224 local->wstats.qual.noise = 0;
7225 local->wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
7228 /* Packets discarded in the wireless adapter due to wireless
7229 * specific problems */
7230 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7231 local->wstats.discard.code = vals[6];/* RxWepErr */
7232 local->wstats.discard.fragment = vals[30];
7233 local->wstats.discard.retries = vals[10];
7234 local->wstats.discard.misc = vals[1] + vals[32];
7235 local->wstats.miss.beacon = vals[34];
7238 struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7240 struct airo_info *local = dev->priv;
7242 if (!test_bit(JOB_WSTATS, &local->flags)) {
7243 /* Get stats out of the card if available */
7244 if (down_trylock(&local->sem) != 0) {
7245 set_bit(JOB_WSTATS, &local->flags);
7246 wake_up_interruptible(&local->thr_wait);
7248 airo_read_wireless_stats(local);
7251 return &local->wstats;
7253 #endif /* WIRELESS_EXT */
7257 * This just translates from driver IOCTL codes to the command codes to
7258 * feed to the radio's host interface. Things can be added/deleted
7259 * as needed. This represents the READ side of control I/O to
7262 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7263 unsigned short ridcode;
7264 unsigned char *iobuf;
7266 struct airo_info *ai = dev->priv;
7269 if (test_bit(FLAG_FLASHING, &ai->flags))
7272 switch(comp->command)
7274 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7275 case AIROGCFG: ridcode = RID_CONFIG;
7276 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7277 disable_MAC (ai, 1);
7278 writeConfigRid (ai, 1);
7279 enable_MAC (ai, &rsp, 1);
7282 case AIROGSLIST: ridcode = RID_SSID; break;
7283 case AIROGVLIST: ridcode = RID_APLIST; break;
7284 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7285 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7286 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7287 /* Only super-user can read WEP keys */
7288 if (!capable(CAP_NET_ADMIN))
7291 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7292 /* Only super-user can read WEP keys */
7293 if (!capable(CAP_NET_ADMIN))
7296 case AIROGSTAT: ridcode = RID_STATUS; break;
7297 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7298 case AIROGSTATSC32: ridcode = RID_STATS; break;
7301 if (copy_to_user(comp->data, &ai->micstats,
7302 min((int)comp->len,(int)sizeof(ai->micstats))))
7306 case AIRORRID: ridcode = comp->ridnum; break;
7312 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7315 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7316 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7317 * then return it to the user
7318 * 9/22/2000 Honor user given length
7322 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7331 * Danger Will Robinson write the rids here
7334 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7335 struct airo_info *ai = dev->priv;
7341 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7342 unsigned char *iobuf;
7344 /* Only super-user can write RIDs */
7345 if (!capable(CAP_NET_ADMIN))
7348 if (test_bit(FLAG_FLASHING, &ai->flags))
7352 writer = do_writerid;
7354 switch(comp->command)
7356 case AIROPSIDS: ridcode = RID_SSID; break;
7357 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7358 case AIROPAPLIST: ridcode = RID_APLIST; break;
7359 case AIROPCFG: ai->config.len = 0;
7360 clear_bit(FLAG_COMMIT, &ai->flags);
7361 ridcode = RID_CONFIG; break;
7362 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7363 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7364 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7365 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7367 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7368 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7370 /* this is not really a rid but a command given to the card
7374 if (enable_MAC(ai, &rsp, 1) != 0)
7379 * Evidently this code in the airo driver does not get a symbol
7380 * as disable_MAC. it's probably so short the compiler does not gen one.
7386 /* This command merely clears the counts does not actually store any data
7387 * only reads rid. But as it changes the cards state, I put it in the
7388 * writerid routines.
7391 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7394 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7397 enabled = ai->micstats.enabled;
7398 memset(&ai->micstats,0,sizeof(ai->micstats));
7399 ai->micstats.enabled = enabled;
7402 if (copy_to_user(comp->data, iobuf,
7403 min((int)comp->len, (int)RIDSIZE))) {
7411 return -EOPNOTSUPP; /* Blarg! */
7413 if(comp->len > RIDSIZE)
7416 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7419 if (copy_from_user(iobuf,comp->data,comp->len)) {
7424 if (comp->command == AIROPCFG) {
7425 ConfigRid *cfg = (ConfigRid *)iobuf;
7427 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7428 cfg->opmode |= MODE_MIC;
7430 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7431 set_bit (FLAG_ADHOC, &ai->flags);
7433 clear_bit (FLAG_ADHOC, &ai->flags);
7436 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7444 /*****************************************************************************
7445 * Ancillary flash / mod functions much black magic lurkes here *
7446 *****************************************************************************
7450 * Flash command switch table
7453 int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7455 int cmdreset(struct airo_info *);
7456 int setflashmode(struct airo_info *);
7457 int flashgchar(struct airo_info *,int,int);
7458 int flashpchar(struct airo_info *,int,int);
7459 int flashputbuf(struct airo_info *);
7460 int flashrestart(struct airo_info *,struct net_device *);
7462 /* Only super-user can modify flash */
7463 if (!capable(CAP_NET_ADMIN))
7466 switch(comp->command)
7469 return cmdreset((struct airo_info *)dev->priv);
7472 if (!((struct airo_info *)dev->priv)->flash &&
7473 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7475 return setflashmode((struct airo_info *)dev->priv);
7477 case AIROFLSHGCHR: /* Get char from aux */
7478 if(comp->len != sizeof(int))
7480 if (copy_from_user(&z,comp->data,comp->len))
7482 return flashgchar((struct airo_info *)dev->priv,z,8000);
7484 case AIROFLSHPCHR: /* Send char to card. */
7485 if(comp->len != sizeof(int))
7487 if (copy_from_user(&z,comp->data,comp->len))
7489 return flashpchar((struct airo_info *)dev->priv,z,8000);
7491 case AIROFLPUTBUF: /* Send 32k to card */
7492 if (!((struct airo_info *)dev->priv)->flash)
7494 if(comp->len > FLASHSIZE)
7496 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7499 flashputbuf((struct airo_info *)dev->priv);
7503 if(flashrestart((struct airo_info *)dev->priv,dev))
7510 #define FLASH_COMMAND 0x7e7e
7514 * Disable MAC and do soft reset on
7518 int cmdreset(struct airo_info *ai) {
7522 printk(KERN_INFO "Waitbusy hang before RESET\n");
7526 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7528 ssleep(1); /* WAS 600 12/7/00 */
7531 printk(KERN_INFO "Waitbusy hang AFTER RESET\n");
7538 * Put the card in legendary flash
7542 int setflashmode (struct airo_info *ai) {
7543 set_bit (FLAG_FLASHING, &ai->flags);
7545 OUT4500(ai, SWS0, FLASH_COMMAND);
7546 OUT4500(ai, SWS1, FLASH_COMMAND);
7548 OUT4500(ai, SWS0, FLASH_COMMAND);
7549 OUT4500(ai, COMMAND,0x10);
7551 OUT4500(ai, SWS2, FLASH_COMMAND);
7552 OUT4500(ai, SWS3, FLASH_COMMAND);
7553 OUT4500(ai, COMMAND,0);
7555 msleep(500); /* 500ms delay */
7558 clear_bit (FLAG_FLASHING, &ai->flags);
7559 printk(KERN_INFO "Waitbusy hang after setflash mode\n");
7565 /* Put character to SWS0 wait for dwelltime
7569 int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7580 /* Wait for busy bit d15 to go false indicating buffer empty */
7581 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7586 /* timeout for busy clear wait */
7588 printk(KERN_INFO "flash putchar busywait timeout! \n");
7592 /* Port is clear now write byte and wait for it to echo back */
7594 OUT4500(ai,SWS0,byte);
7597 echo = IN4500(ai,SWS1);
7598 } while (dwelltime >= 0 && echo != byte);
7602 return (echo == byte) ? 0 : -EIO;
7606 * Get a character from the card matching matchbyte
7609 int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
7611 unsigned char rbyte=0;
7614 rchar = IN4500(ai,SWS1);
7616 if(dwelltime && !(0x8000 & rchar)){
7621 rbyte = 0xff & rchar;
7623 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
7627 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
7631 }while(dwelltime > 0);
7636 * Transfer 32k of firmware data from user buffer to our buffer and
7640 int flashputbuf(struct airo_info *ai){
7644 if (test_bit(FLAG_MPI,&ai->flags))
7645 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
7647 OUT4500(ai,AUXPAGE,0x100);
7648 OUT4500(ai,AUXOFF,0);
7650 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
7651 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
7654 OUT4500(ai,SWS0,0x8000);
7662 int flashrestart(struct airo_info *ai,struct net_device *dev){
7665 ssleep(1); /* Added 12/7/00 */
7666 clear_bit (FLAG_FLASHING, &ai->flags);
7667 if (test_bit(FLAG_MPI, &ai->flags)) {
7668 status = mpi_init_descriptors(ai);
7669 if (status != SUCCESS)
7672 status = setup_card(ai, dev->dev_addr, 1);
7674 if (!test_bit(FLAG_MPI,&ai->flags))
7675 for( i = 0; i < MAX_FIDS; i++ ) {
7676 ai->fids[i] = transmit_allocate
7677 ( ai, 2312, i >= MAX_FIDS / 2 );
7680 ssleep(1); /* Added 12/7/00 */
7683 #endif /* CISCO_EXT */
7686 This program is free software; you can redistribute it and/or
7687 modify it under the terms of the GNU General Public License
7688 as published by the Free Software Foundation; either version 2
7689 of the License, or (at your option) any later version.
7691 This program is distributed in the hope that it will be useful,
7692 but WITHOUT ANY WARRANTY; without even the implied warranty of
7693 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7694 GNU General Public License for more details.
7698 Redistribution and use in source and binary forms, with or without
7699 modification, are permitted provided that the following conditions
7702 1. Redistributions of source code must retain the above copyright
7703 notice, this list of conditions and the following disclaimer.
7704 2. Redistributions in binary form must reproduce the above copyright
7705 notice, this list of conditions and the following disclaimer in the
7706 documentation and/or other materials provided with the distribution.
7707 3. The name of the author may not be used to endorse or promote
7708 products derived from this software without specific prior written
7711 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
7712 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7713 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
7714 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
7715 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
7716 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
7717 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
7718 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
7719 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
7720 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
7721 POSSIBILITY OF SUCH DAMAGE.
7724 module_init(airo_init_module);
7725 module_exit(airo_cleanup_module);