1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/config.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
39 #include <asm/system.h>
41 #include <linux/netdevice.h>
42 #include <linux/etherdevice.h>
43 #include <linux/skbuff.h>
44 #include <linux/if_arp.h>
45 #include <linux/ioport.h>
46 #include <linux/pci.h>
47 #include <asm/uaccess.h>
50 static struct pci_device_id card_ids[] = {
51 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
52 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
53 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
54 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
55 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
56 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
57 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
60 MODULE_DEVICE_TABLE(pci, card_ids);
62 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
63 static void airo_pci_remove(struct pci_dev *);
64 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
65 static int airo_pci_resume(struct pci_dev *pdev);
67 static struct pci_driver airo_driver = {
70 .probe = airo_pci_probe,
71 .remove = __devexit_p(airo_pci_remove),
72 .suspend = airo_pci_suspend,
73 .resume = airo_pci_resume,
75 #endif /* CONFIG_PCI */
77 /* Include Wireless Extension definition and check version - Jean II */
78 #include <linux/wireless.h>
79 #define WIRELESS_SPY // enable iwspy support
80 #include <net/iw_handler.h> // New driver API
82 #define CISCO_EXT // enable Cisco extensions
84 #include <linux/delay.h>
87 /* Support Cisco MIC feature */
90 #if defined(MICSUPPORT) && !defined(CONFIG_CRYPTO)
91 #warning MIC support requires Crypto API
95 /* Hack to do some power saving */
98 /* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
104 #define IGNLABEL(comment) NULL
105 static char *statsLabels[] = {
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
208 #define RUN_AT(x) (jiffies+(x))
212 /* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
217 static int basic_rate;
218 static char *ssids[3];
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe = 1;
234 static int proc_uid /* = 0 */;
236 static int proc_gid /* = 0 */;
238 static int airo_perm = 0555;
240 static int proc_perm = 0644;
242 MODULE_AUTHOR("Benjamin Reed");
243 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246 MODULE_LICENSE("Dual BSD/GPL");
247 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248 module_param_array(io, int, NULL, 0);
249 module_param_array(irq, int, NULL, 0);
250 module_param(basic_rate, int, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255 the authentication options until an association is made. The value of \
256 auto_wep is number of the wep keys to check. A value of 2 will try using \
257 the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260 than seems to work better for older cards with some older buses. Before \
261 switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265 Older cards used to be limited to 2mbs (4).");
266 module_param(adhoc, int, 0);
267 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268 module_param(probe, int, 0);
269 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271 module_param(proc_uid, int, 0);
272 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273 module_param(proc_gid, int, 0);
274 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275 module_param(airo_perm, int, 0);
276 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277 module_param(proc_perm, int, 0);
278 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280 /* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283 static int do8bitIO = 0;
292 #define MAC_ENABLE 0x0001
293 #define MAC_DISABLE 0x0002
294 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295 #define CMD_SOFTRESET 0x0004
296 #define HOSTSLEEP 0x0005
297 #define CMD_MAGIC_PKT 0x0006
298 #define CMD_SETWAKEMASK 0x0007
299 #define CMD_READCFG 0x0008
300 #define CMD_SETMODE 0x0009
301 #define CMD_ALLOCATETX 0x000a
302 #define CMD_TRANSMIT 0x000b
303 #define CMD_DEALLOCATETX 0x000c
305 #define CMD_WORKAROUND 0x0011
306 #define CMD_ALLOCATEAUX 0x0020
307 #define CMD_ACCESS 0x0021
308 #define CMD_PCIBAP 0x0022
309 #define CMD_PCIAUX 0x0023
310 #define CMD_ALLOCBUF 0x0028
311 #define CMD_GETTLV 0x0029
312 #define CMD_PUTTLV 0x002a
313 #define CMD_DELTLV 0x002b
314 #define CMD_FINDNEXTTLV 0x002c
315 #define CMD_PSPNODES 0x0030
316 #define CMD_SETCW 0x0031
317 #define CMD_SETPCF 0x0032
318 #define CMD_SETPHYREG 0x003e
319 #define CMD_TXTEST 0x003f
320 #define MAC_ENABLETX 0x0101
321 #define CMD_LISTBSS 0x0103
322 #define CMD_SAVECFG 0x0108
323 #define CMD_ENABLEAUX 0x0111
324 #define CMD_WRITERID 0x0121
325 #define CMD_USEPSPNODES 0x0130
326 #define MAC_ENABLERX 0x0201
329 #define ERROR_QUALIF 0x00
330 #define ERROR_ILLCMD 0x01
331 #define ERROR_ILLFMT 0x02
332 #define ERROR_INVFID 0x03
333 #define ERROR_INVRID 0x04
334 #define ERROR_LARGE 0x05
335 #define ERROR_NDISABL 0x06
336 #define ERROR_ALLOCBSY 0x07
337 #define ERROR_NORD 0x0B
338 #define ERROR_NOWR 0x0C
339 #define ERROR_INVFIDTX 0x0D
340 #define ERROR_TESTACT 0x0E
341 #define ERROR_TAGNFND 0x12
342 #define ERROR_DECODE 0x20
343 #define ERROR_DESCUNAV 0x21
344 #define ERROR_BADLEN 0x22
345 #define ERROR_MODE 0x80
346 #define ERROR_HOP 0x81
347 #define ERROR_BINTER 0x82
348 #define ERROR_RXMODE 0x83
349 #define ERROR_MACADDR 0x84
350 #define ERROR_RATES 0x85
351 #define ERROR_ORDER 0x86
352 #define ERROR_SCAN 0x87
353 #define ERROR_AUTH 0x88
354 #define ERROR_PSMODE 0x89
355 #define ERROR_RTYPE 0x8A
356 #define ERROR_DIVER 0x8B
357 #define ERROR_SSID 0x8C
358 #define ERROR_APLIST 0x8D
359 #define ERROR_AUTOWAKE 0x8E
360 #define ERROR_LEAP 0x8F
371 #define LINKSTAT 0x10
375 #define TXALLOCFID 0x22
376 #define TXCOMPLFID 0x24
391 /* Offset into aux memory for descriptors */
392 #define AUX_OFFSET 0x800
393 /* Size of allocated packets */
396 /* Size of the transmit queue */
400 #define BAP0 0 // Used for receiving packets
401 #define BAP1 2 // Used for xmiting packets and working with RIDS
404 #define COMMAND_BUSY 0x8000
406 #define BAP_BUSY 0x8000
407 #define BAP_ERR 0x4000
408 #define BAP_DONE 0x2000
410 #define PROMISC 0xffff
411 #define NOPROMISC 0x0000
414 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_TXEXC 0x04
418 #define EV_ALLOC 0x08
420 #define EV_AWAKE 0x100
421 #define EV_TXCPY 0x400
422 #define EV_UNKNOWN 0x800
423 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424 #define EV_AWAKEN 0x2000
425 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427 #ifdef CHECK_UNKNOWN_INTS
428 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #define IGNORE_INTS (~STATUS_INTS)
437 #define RID_CAPABILITIES 0xFF00
438 #define RID_APINFO 0xFF01
439 #define RID_RADIOINFO 0xFF02
440 #define RID_UNKNOWN3 0xFF03
441 #define RID_RSSI 0xFF04
442 #define RID_CONFIG 0xFF10
443 #define RID_SSID 0xFF11
444 #define RID_APLIST 0xFF12
445 #define RID_DRVNAME 0xFF13
446 #define RID_ETHERENCAP 0xFF14
447 #define RID_WEP_TEMP 0xFF15
448 #define RID_WEP_PERM 0xFF16
449 #define RID_MODULATION 0xFF17
450 #define RID_OPTIONS 0xFF18
451 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452 #define RID_FACTORYCONFIG 0xFF21
453 #define RID_UNKNOWN22 0xFF22
454 #define RID_LEAPUSERNAME 0xFF23
455 #define RID_LEAPPASSWORD 0xFF24
456 #define RID_STATUS 0xFF50
457 #define RID_BEACON_HST 0xFF51
458 #define RID_BUSY_HST 0xFF52
459 #define RID_RETRIES_HST 0xFF53
460 #define RID_UNKNOWN54 0xFF54
461 #define RID_UNKNOWN55 0xFF55
462 #define RID_UNKNOWN56 0xFF56
463 #define RID_MIC 0xFF57
464 #define RID_STATS16 0xFF60
465 #define RID_STATS16DELTA 0xFF61
466 #define RID_STATS16DELTACLEAR 0xFF62
467 #define RID_STATS 0xFF68
468 #define RID_STATSDELTA 0xFF69
469 #define RID_STATSDELTACLEAR 0xFF6A
470 #define RID_ECHOTEST_RID 0xFF70
471 #define RID_ECHOTEST_RESULTS 0xFF71
472 #define RID_BSSLISTFIRST 0xFF72
473 #define RID_BSSLISTNEXT 0xFF73
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
495 /* This is redundant for x86 archs, but it seems necessary for ARM */
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
508 /* These structures are from the Aironet's PC4500 Developers Manual */
522 #define MOD_DEFAULT 0
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530 #define MODE_STA_IBSS 0
531 #define MODE_STA_ESS 1
533 #define MODE_AP_RPTR 3
534 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542 #define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544 #define RXMODE_BC_MC_ADDR 0
545 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
546 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547 #define RXMODE_RFMON 3 /* wireless monitor mode */
548 #define RXMODE_RFMON_ANYBSS 4
549 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u8 macAddr[ETH_ALEN];
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
562 u16 u16deviceType; /* for overriding device type */
566 /*---------- Scanning/Associating ----------*/
568 #define SCANMODE_ACTIVE 0
569 #define SCANMODE_PASSIVE 1
570 #define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
578 #define AUTH_OPEN 0x1
579 #define AUTH_ENCRYPT 0x101
580 #define AUTH_SHAREDKEY 0x102
581 #define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
587 u16 maxBeaconLostTime;
589 #define DISABLE_REFRESH 0xFFFF
591 /*---------- Power save operation ----------*/
593 #define POWERSAVE_CAM 0
594 #define POWERSAVE_PSP 1
595 #define POWERSAVE_PSPCAM 2
598 u16 fastListenInterval;
602 /*---------- Ap/Ibss config items ----------*/
611 /*---------- Radio configuration ----------*/
613 #define RADIOTYPE_DEFAULT 0
614 #define RADIOTYPE_802_11 1
615 #define RADIOTYPE_LEGACY 2
619 #define TXPOWER_DEFAULT 0
621 #define RSSI_DEFAULT 0
623 #define PREAMBLE_AUTO 0
624 #define PREAMBLE_LONG 1
625 #define PREAMBLE_SHORT 2
629 /*---------- Aironet Extensions ----------*/
635 /*---------- Aironet Extensions ----------*/
637 #define MAGIC_ACTION_STSCHG 1
638 #define MAGIC_ACTION_RESUME 2
639 #define MAGIC_IGNORE_MCAST (1<<8)
640 #define MAGIC_IGNORE_BCAST (1<<9)
641 #define MAGIC_SWITCH_TO_PSP (0<<10)
642 #define MAGIC_STAY_IN_CAM (1<<10)
656 u8 bssid[4][ETH_ALEN];
670 u16 normalizedSignalStrength;
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
682 #define STAT_NOPACKETS 0
683 #define STAT_NOCARRIERSET 10
684 #define STAT_GOTCARRIERSET 11
685 #define STAT_WRONGSSID 20
686 #define STAT_BADCHANNEL 25
687 #define STAT_BADBITRATES 30
688 #define STAT_BADPRIVACY 35
689 #define STAT_APFOUND 40
690 #define STAT_APREJECTED 50
691 #define STAT_AUTHENTICATING 60
692 #define STAT_DEAUTHENTICATED 61
693 #define STAT_AUTHTIMEOUT 62
694 #define STAT_ASSOCIATING 70
695 #define STAT_DEASSOCIATED 71
696 #define STAT_ASSOCTIMEOUT 72
697 #define STAT_NOTAIROAP 73
698 #define STAT_ASSOCIATED 80
699 #define STAT_LEAPING 90
700 #define STAT_LEAPFAILED 91
701 #define STAT_LEAPTIMEDOUT 92
702 #define STAT_LEAPCOMPLETE 93
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
729 char callid[ETH_ALEN];
730 char supportedRates[8];
733 u16 txPowerLevels[8];
748 u16 index; /* First is 0 and 0xffff means end of list */
749 #define RADIO_FH 1 /* Frequency hopping radio type */
750 #define RADIO_DS 2 /* Direct sequence radio type */
751 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
753 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
758 #define CAP_ESS (1<<0)
759 #define CAP_IBSS (1<<1)
760 #define CAP_PRIVACY (1<<4)
761 #define CAP_SHORTHDR (1<<5)
764 u8 rates[8]; /* Same as rates for config rid */
765 struct { /* For frequency hopping only */
819 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
820 #define TXCTL_TXEX (1<<2) /* report if tx fails */
821 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
822 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
823 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
824 #define TXCTL_LLC (1<<4) /* payload is llc */
825 #define TXCTL_RELEASE (0<<5) /* release after completion */
826 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
828 #define BUSY_FID 0x10000
831 #define AIROMAGIC 0xa55a
832 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
833 #ifdef SIOCIWFIRSTPRIV
834 #ifdef SIOCDEVPRIVATE
835 #define AIROOLDIOCTL SIOCDEVPRIVATE
836 #define AIROOLDIDIFC AIROOLDIOCTL + 1
837 #endif /* SIOCDEVPRIVATE */
838 #else /* SIOCIWFIRSTPRIV */
839 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
840 #endif /* SIOCIWFIRSTPRIV */
841 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
842 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
843 * only and don't return the modified struct ifreq to the application which
844 * is usually a problem. - Jean II */
845 #define AIROIOCTL SIOCIWFIRSTPRIV
846 #define AIROIDIFC AIROIOCTL + 1
848 /* Ioctl constants to be used in airo_ioctl.command */
850 #define AIROGCAP 0 // Capability rid
851 #define AIROGCFG 1 // USED A LOT
852 #define AIROGSLIST 2 // System ID list
853 #define AIROGVLIST 3 // List of specified AP's
854 #define AIROGDRVNAM 4 // NOTUSED
855 #define AIROGEHTENC 5 // NOTUSED
856 #define AIROGWEPKTMP 6
857 #define AIROGWEPKNV 7
859 #define AIROGSTATSC32 9
860 #define AIROGSTATSD32 10
861 #define AIROGMICRID 11
862 #define AIROGMICSTATS 12
863 #define AIROGFLAGS 13
866 #define AIRORSWVERSION 17
868 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
870 #define AIROPCAP AIROGSTATSD32 + 40
871 #define AIROPVLIST AIROPCAP + 1
872 #define AIROPSLIST AIROPVLIST + 1
873 #define AIROPCFG AIROPSLIST + 1
874 #define AIROPSIDS AIROPCFG + 1
875 #define AIROPAPLIST AIROPSIDS + 1
876 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
877 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
878 #define AIROPSTCLR AIROPMACOFF + 1
879 #define AIROPWEPKEY AIROPSTCLR + 1
880 #define AIROPWEPKEYNV AIROPWEPKEY + 1
881 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
882 #define AIROPLEAPUSR AIROPLEAPPWD + 1
886 #define AIROFLSHRST AIROPWEPKEYNV + 40
887 #define AIROFLSHGCHR AIROFLSHRST + 1
888 #define AIROFLSHSTFL AIROFLSHGCHR + 1
889 #define AIROFLSHPCHR AIROFLSHSTFL + 1
890 #define AIROFLPUTBUF AIROFLSHPCHR + 1
891 #define AIRORESTART AIROFLPUTBUF + 1
893 #define FLASHSIZE 32768
894 #define AUXMEMSIZE (256 * 1024)
896 typedef struct aironet_ioctl {
897 unsigned short command; // What to do
898 unsigned short len; // Len of data
899 unsigned short ridnum; // rid number
900 unsigned char __user *data; // d-data
903 static char swversion[] = "2.1";
904 #endif /* CISCO_EXT */
906 #define NUM_MODULES 2
907 #define MIC_MSGLEN_MAX 2400
908 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
912 u8 enabled; // MIC enabled or not
913 u32 rxSuccess; // successful packets received
914 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
915 u32 rxNotMICed; // pkts dropped due to not being MIC'd
916 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
917 u32 rxWrongSequence; // pkts dropped due to sequence number violation
922 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
923 u64 accum; // accumulated mic, reduced to u32 in final()
924 int position; // current position (byte offset) in message
928 } part; // saves partial message word across update() calls
932 emmh32_context seed; // Context - the seed
933 u32 rx; // Received sequence number
934 u32 tx; // Tx sequence number
935 u32 window; // Start of window
936 u8 valid; // Flag to say if context is valid or not
941 miccntx mCtx; // Multicast context
942 miccntx uCtx; // Unicast context
946 unsigned int rid: 16;
947 unsigned int len: 15;
948 unsigned int valid: 1;
949 dma_addr_t host_addr;
953 unsigned int offset: 15;
955 unsigned int len: 15;
956 unsigned int valid: 1;
957 dma_addr_t host_addr;
961 unsigned int ctl: 15;
963 unsigned int len: 15;
964 unsigned int valid: 1;
965 dma_addr_t host_addr;
969 * Host receive descriptor
972 unsigned char __iomem *card_ram_off; /* offset into card memory of the
974 RxFid rx_desc; /* card receive descriptor */
975 char *virtual_host_addr; /* virtual address of host receive
981 * Host transmit descriptor
984 unsigned char __iomem *card_ram_off; /* offset into card memory of the
986 TxFid tx_desc; /* card transmit descriptor */
987 char *virtual_host_addr; /* virtual address of host receive
993 * Host RID descriptor
996 unsigned char __iomem *card_ram_off; /* offset into card memory of the
998 Rid rid_desc; /* card RID descriptor */
999 char *virtual_host_addr; /* virtual address of host receive
1008 #define HOST_SET (1 << 0)
1009 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1010 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1011 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1012 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1013 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1014 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1015 #define HOST_RTS (1 << 9) /* Force RTS use */
1016 #define HOST_SHORT (1 << 10) /* Do short preamble */
1043 static WifiCtlHdr wifictlhdr8023 = {
1045 .ctl = HOST_DONT_RLSE,
1049 // Frequency list (map channels to frequencies)
1050 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1051 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1053 // A few details needed for WEP (Wireless Equivalent Privacy)
1054 #define MAX_KEY_SIZE 13 // 128 (?) bits
1055 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1056 typedef struct wep_key_t {
1058 u8 key[16]; /* 40-bit and 104-bit keys */
1061 /* Backward compatibility */
1062 #ifndef IW_ENCODE_NOKEY
1063 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1064 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1065 #endif /* IW_ENCODE_NOKEY */
1067 /* List of Wireless Handlers (new API) */
1068 static const struct iw_handler_def airo_handler_def;
1070 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1074 static int get_dec_u16( char *buffer, int *start, int limit );
1075 static void OUT4500( struct airo_info *, u16 register, u16 value );
1076 static unsigned short IN4500( struct airo_info *, u16 register );
1077 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1078 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1079 static void disable_MAC(struct airo_info *ai, int lock);
1080 static void enable_interrupts(struct airo_info*);
1081 static void disable_interrupts(struct airo_info*);
1082 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1083 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1084 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1086 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1088 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1090 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1091 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1092 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1093 *pBuf, int len, int lock);
1094 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1095 int len, int dummy );
1096 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1097 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1098 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1100 static int mpi_send_packet (struct net_device *dev);
1101 static void mpi_unmap_card(struct pci_dev *pci);
1102 static void mpi_receive_802_3(struct airo_info *ai);
1103 static void mpi_receive_802_11(struct airo_info *ai);
1104 static int waitbusy (struct airo_info *ai);
1106 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1108 static int airo_thread(void *data);
1109 static void timer_func( struct net_device *dev );
1110 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1111 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1112 static void airo_read_wireless_stats (struct airo_info *local);
1114 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1115 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1116 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1117 #endif /* CISCO_EXT */
1119 static void micinit(struct airo_info *ai);
1120 static int micsetup(struct airo_info *ai);
1121 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1122 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1124 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1125 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1127 #include <linux/crypto.h>
1131 struct net_device_stats stats;
1132 struct net_device *dev;
1133 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1134 use the high bit to mark whether it is in use. */
1136 #define MPI_MAX_FIDS 1
1139 char keyindex; // Used with auto wep
1140 char defindex; // Used with auto wep
1141 struct proc_dir_entry *proc_entry;
1142 spinlock_t aux_lock;
1143 unsigned long flags;
1144 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1145 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1146 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1147 #define FLAG_RADIO_MASK 0x03
1148 #define FLAG_ENABLED 2
1149 #define FLAG_ADHOC 3 /* Needed by MIC */
1150 #define FLAG_MIC_CAPABLE 4
1151 #define FLAG_UPDATE_MULTI 5
1152 #define FLAG_UPDATE_UNI 6
1153 #define FLAG_802_11 7
1154 #define FLAG_PENDING_XMIT 9
1155 #define FLAG_PENDING_XMIT11 10
1157 #define FLAG_REGISTERED 12
1158 #define FLAG_COMMIT 13
1159 #define FLAG_RESET 14
1160 #define FLAG_FLASHING 15
1161 #define JOB_MASK 0x1ff0000
1164 #define JOB_XMIT11 18
1165 #define JOB_STATS 19
1166 #define JOB_PROMISC 20
1168 #define JOB_EVENT 22
1169 #define JOB_AUTOWEP 23
1170 #define JOB_WSTATS 24
1171 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1173 unsigned short *flash;
1175 struct task_struct *task;
1176 struct semaphore sem;
1178 wait_queue_head_t thr_wait;
1179 struct completion thr_exited;
1180 unsigned long expires;
1182 struct sk_buff *skb;
1185 struct net_device *wifidev;
1186 struct iw_statistics wstats; // wireless stats
1187 unsigned long scan_timestamp; /* Time started to scan */
1188 struct iw_spy_data spy_data;
1189 struct iw_public_data wireless_data;
1192 struct crypto_tfm *tfm;
1194 mic_statistics micstats;
1196 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1197 HostTxDesc txfids[MPI_MAX_FIDS];
1198 HostRidDesc config_desc;
1199 unsigned long ridbus; // phys addr of config_desc
1200 struct sk_buff_head txq;// tx queue used by mpi350 code
1201 struct pci_dev *pci;
1202 unsigned char __iomem *pcimem;
1203 unsigned char __iomem *pciaux;
1204 unsigned char *shared;
1205 dma_addr_t shared_dma;
1209 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1210 char proc_name[IFNAMSIZ];
1213 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1215 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1218 static int setup_proc_entry( struct net_device *dev,
1219 struct airo_info *apriv );
1220 static int takedown_proc_entry( struct net_device *dev,
1221 struct airo_info *apriv );
1223 static int cmdreset(struct airo_info *ai);
1224 static int setflashmode (struct airo_info *ai);
1225 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1226 static int flashputbuf(struct airo_info *ai);
1227 static int flashrestart(struct airo_info *ai,struct net_device *dev);
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 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1238 static void emmh32_init(emmh32_context *context);
1239 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1240 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1241 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1243 /* micinit - Initialize mic seed */
1245 static void micinit(struct airo_info *ai)
1249 clear_bit(JOB_MIC, &ai->flags);
1250 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1253 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1255 if (ai->micstats.enabled) {
1256 /* Key must be valid and different */
1257 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1258 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1259 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1260 /* Age current mic Context */
1261 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1262 /* Initialize new context */
1263 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1264 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1265 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1266 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1267 ai->mod[0].mCtx.valid = 1; //Key is now valid
1269 /* Give key to mic seed */
1270 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1273 /* Key must be valid and different */
1274 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1275 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1276 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1277 /* Age current mic Context */
1278 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1279 /* Initialize new context */
1280 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1282 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1283 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1284 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1285 ai->mod[0].uCtx.valid = 1; //Key is now valid
1287 //Give key to mic seed
1288 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1291 /* So next time we have a valid key and mic is enabled, we will update
1292 * the sequence number if the key is the same as before.
1294 ai->mod[0].uCtx.valid = 0;
1295 ai->mod[0].mCtx.valid = 0;
1299 /* micsetup - Get ready for business */
1301 static int micsetup(struct airo_info *ai) {
1304 if (ai->tfm == NULL)
1305 ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP);
1307 if (ai->tfm == NULL) {
1308 printk(KERN_ERR "airo: failed to load transform for AES\n");
1312 for (i=0; i < NUM_MODULES; i++) {
1313 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1314 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1319 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1321 /*===========================================================================
1322 * Description: Mic a packet
1324 * Inputs: etherHead * pointer to an 802.3 frame
1326 * Returns: BOOLEAN if successful, otherwise false.
1327 * PacketTxLen will be updated with the mic'd packets size.
1329 * Caveats: It is assumed that the frame buffer will already
1330 * be big enough to hold the largets mic message possible.
1331 * (No memory allocation is done here).
1333 * Author: sbraneky (10/15/01)
1334 * Merciless hacks by rwilcher (1/14/02)
1337 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1341 // Determine correct context
1342 // If not adhoc, always use unicast key
1344 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1345 context = &ai->mod[0].mCtx;
1347 context = &ai->mod[0].uCtx;
1349 if (!context->valid)
1352 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1354 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1357 mic->seq = htonl(context->tx);
1360 emmh32_init(&context->seed); // Mic the packet
1361 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1362 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1363 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1364 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1365 emmh32_final(&context->seed, (u8*)&mic->mic);
1367 /* New Type/length ?????????? */
1368 mic->typelen = 0; //Let NIC know it could be an oversized packet
1380 /*===========================================================================
1381 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1382 * (removes the MIC stuff) if packet is a valid packet.
1384 * Inputs: etherHead pointer to the 802.3 packet
1386 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1388 * Author: sbraneky (10/15/01)
1389 * Merciless hacks by rwilcher (1/14/02)
1390 *---------------------------------------------------------------------------
1393 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1399 mic_error micError = NONE;
1401 // Check if the packet is a Mic'd packet
1403 if (!ai->micstats.enabled) {
1404 //No Mic set or Mic OFF but we received a MIC'd packet.
1405 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1406 ai->micstats.rxMICPlummed++;
1412 if (ntohs(mic->typelen) == 0x888E)
1415 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1416 // Mic enabled but packet isn't Mic'd
1417 ai->micstats.rxMICPlummed++;
1421 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1423 //At this point we a have a mic'd packet and mic is enabled
1424 //Now do the mic error checking.
1426 //Receive seq must be odd
1427 if ( (micSEQ & 1) == 0 ) {
1428 ai->micstats.rxWrongSequence++;
1432 for (i = 0; i < NUM_MODULES; i++) {
1433 int mcast = eth->da[0] & 1;
1434 //Determine proper context
1435 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1437 //Make sure context is valid
1438 if (!context->valid) {
1440 micError = NOMICPLUMMED;
1446 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1448 emmh32_init(&context->seed);
1449 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1450 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1451 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1452 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1454 emmh32_final(&context->seed, digest);
1456 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1459 micError = INCORRECTMIC;
1463 //Check Sequence number if mics pass
1464 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1465 ai->micstats.rxSuccess++;
1469 micError = SEQUENCE;
1472 // Update statistics
1474 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1475 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1476 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1483 /*===========================================================================
1484 * Description: Checks the Rx Seq number to make sure it is valid
1485 * and hasn't already been received
1487 * Inputs: miccntx - mic context to check seq against
1488 * micSeq - the Mic seq number
1490 * Returns: TRUE if valid otherwise FALSE.
1492 * Author: sbraneky (10/15/01)
1493 * Merciless hacks by rwilcher (1/14/02)
1494 *---------------------------------------------------------------------------
1497 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1501 //Allow for the ap being rebooted - if it is then use the next
1502 //sequence number of the current sequence number - might go backwards
1505 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1506 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1507 context->window = (micSeq > 33) ? micSeq : 33;
1508 context->rx = 0; // Reset rx
1510 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1511 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1512 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1513 context->rx = 0; // Reset rx
1516 //Make sequence number relative to START of window
1517 seq = micSeq - (context->window - 33);
1519 //Too old of a SEQ number to check.
1524 //Window is infinite forward
1525 MoveWindow(context,micSeq);
1529 // We are in the window. Now check the context rx bit to see if it was already sent
1530 seq >>= 1; //divide by 2 because we only have odd numbers
1531 index = 1 << seq; //Get an index number
1533 if (!(context->rx & index)) {
1534 //micSEQ falls inside the window.
1535 //Add seqence number to the list of received numbers.
1536 context->rx |= index;
1538 MoveWindow(context,micSeq);
1545 static void MoveWindow(miccntx *context, u32 micSeq)
1549 //Move window if seq greater than the middle of the window
1550 if (micSeq > context->window) {
1551 shift = (micSeq - context->window) >> 1;
1555 context->rx >>= shift;
1559 context->window = micSeq; //Move window
1563 /*==============================================*/
1564 /*========== EMMH ROUTINES ====================*/
1565 /*==============================================*/
1567 /* mic accumulate */
1568 #define MIC_ACCUM(val) \
1569 context->accum += (u64)(val) * context->coeff[coeff_position++];
1571 static unsigned char aes_counter[16];
1573 /* expand the key to fill the MMH coefficient array */
1574 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1576 /* take the keying material, expand if necessary, truncate at 16-bytes */
1577 /* run through AES counter mode to generate context->coeff[] */
1581 u8 *cipher, plain[16];
1582 struct scatterlist sg[1];
1584 crypto_cipher_setkey(tfm, pkey, 16);
1586 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1587 aes_counter[15] = (u8)(counter >> 0);
1588 aes_counter[14] = (u8)(counter >> 8);
1589 aes_counter[13] = (u8)(counter >> 16);
1590 aes_counter[12] = (u8)(counter >> 24);
1592 memcpy (plain, aes_counter, 16);
1593 sg[0].page = virt_to_page(plain);
1594 sg[0].offset = ((long) plain & ~PAGE_MASK);
1596 crypto_cipher_encrypt(tfm, sg, sg, 16);
1597 cipher = kmap(sg[0].page) + sg[0].offset;
1598 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1599 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1605 /* prepare for calculation of a new mic */
1606 static void emmh32_init(emmh32_context *context)
1608 /* prepare for new mic calculation */
1610 context->position = 0;
1613 /* add some bytes to the mic calculation */
1614 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1616 int coeff_position, byte_position;
1618 if (len == 0) return;
1620 coeff_position = context->position >> 2;
1622 /* deal with partial 32-bit word left over from last update */
1623 byte_position = context->position & 3;
1624 if (byte_position) {
1625 /* have a partial word in part to deal with */
1627 if (len == 0) return;
1628 context->part.d8[byte_position++] = *pOctets++;
1629 context->position++;
1631 } while (byte_position < 4);
1632 MIC_ACCUM(htonl(context->part.d32));
1635 /* deal with full 32-bit words */
1637 MIC_ACCUM(htonl(*(u32 *)pOctets));
1638 context->position += 4;
1643 /* deal with partial 32-bit word that will be left over from this update */
1646 context->part.d8[byte_position++] = *pOctets++;
1647 context->position++;
1652 /* mask used to zero empty bytes for final partial word */
1653 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1655 /* calculate the mic */
1656 static void emmh32_final(emmh32_context *context, u8 digest[4])
1658 int coeff_position, byte_position;
1664 coeff_position = context->position >> 2;
1666 /* deal with partial 32-bit word left over from last update */
1667 byte_position = context->position & 3;
1668 if (byte_position) {
1669 /* have a partial word in part to deal with */
1670 val = htonl(context->part.d32);
1671 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1674 /* reduce the accumulated u64 to a 32-bit MIC */
1675 sum = context->accum;
1676 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1677 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1678 sum = utmp & 0xffffffffLL;
1679 if (utmp > 0x10000000fLL)
1683 digest[0] = (val>>24) & 0xFF;
1684 digest[1] = (val>>16) & 0xFF;
1685 digest[2] = (val>>8) & 0xFF;
1686 digest[3] = val & 0xFF;
1690 static int readBSSListRid(struct airo_info *ai, int first,
1697 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1698 memset(&cmd, 0, sizeof(cmd));
1699 cmd.cmd=CMD_LISTBSS;
1700 if (down_interruptible(&ai->sem))
1701 return -ERESTARTSYS;
1702 issuecommand(ai, &cmd, &rsp);
1704 /* Let the command take effect */
1709 rc = PC4500_readrid(ai, first ? RID_BSSLISTFIRST : RID_BSSLISTNEXT,
1710 list, sizeof(*list), 1);
1712 list->len = le16_to_cpu(list->len);
1713 list->index = le16_to_cpu(list->index);
1714 list->radioType = le16_to_cpu(list->radioType);
1715 list->cap = le16_to_cpu(list->cap);
1716 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1717 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1718 list->dsChannel = le16_to_cpu(list->dsChannel);
1719 list->atimWindow = le16_to_cpu(list->atimWindow);
1720 list->dBm = le16_to_cpu(list->dBm);
1724 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1725 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1726 wkr, sizeof(*wkr), lock);
1728 wkr->len = le16_to_cpu(wkr->len);
1729 wkr->kindex = le16_to_cpu(wkr->kindex);
1730 wkr->klen = le16_to_cpu(wkr->klen);
1733 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1734 * the originals when we endian them... */
1735 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1737 WepKeyRid wkr = *pwkr;
1739 wkr.len = cpu_to_le16(wkr.len);
1740 wkr.kindex = cpu_to_le16(wkr.kindex);
1741 wkr.klen = cpu_to_le16(wkr.klen);
1742 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1743 if (rc!=SUCCESS) printk(KERN_ERR "airo: WEP_TEMP set %x\n", rc);
1745 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1747 printk(KERN_ERR "airo: WEP_PERM set %x\n", rc);
1753 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1755 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1757 ssidr->len = le16_to_cpu(ssidr->len);
1758 for(i = 0; i < 3; i++) {
1759 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1763 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1766 SsidRid ssidr = *pssidr;
1768 ssidr.len = cpu_to_le16(ssidr.len);
1769 for(i = 0; i < 3; i++) {
1770 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1772 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1775 static int readConfigRid(struct airo_info*ai, int lock) {
1783 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1787 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1789 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1790 *s = le16_to_cpu(*s);
1792 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1793 *s = le16_to_cpu(*s);
1795 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1796 *s = cpu_to_le16(*s);
1798 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1799 *s = cpu_to_le16(*s);
1804 static inline void checkThrottle(struct airo_info *ai) {
1806 /* Old hardware had a limit on encryption speed */
1807 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1808 for(i=0; i<8; i++) {
1809 if (ai->config.rates[i] > maxencrypt) {
1810 ai->config.rates[i] = 0;
1815 static int writeConfigRid(struct airo_info*ai, int lock) {
1819 if (!test_bit (FLAG_COMMIT, &ai->flags))
1822 clear_bit (FLAG_COMMIT, &ai->flags);
1823 clear_bit (FLAG_RESET, &ai->flags);
1827 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1828 set_bit(FLAG_ADHOC, &ai->flags);
1830 clear_bit(FLAG_ADHOC, &ai->flags);
1832 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1834 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1835 *s = cpu_to_le16(*s);
1837 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1838 *s = cpu_to_le16(*s);
1840 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1841 *s = cpu_to_le16(*s);
1843 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1844 *s = cpu_to_le16(*s);
1846 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1848 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1849 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1852 statr->len = le16_to_cpu(statr->len);
1853 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1855 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1856 *s = le16_to_cpu(*s);
1857 statr->load = le16_to_cpu(statr->load);
1858 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1861 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1862 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1863 aplr->len = le16_to_cpu(aplr->len);
1866 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1868 aplr->len = cpu_to_le16(aplr->len);
1869 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1872 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1873 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1876 capr->len = le16_to_cpu(capr->len);
1877 capr->prodNum = le16_to_cpu(capr->prodNum);
1878 capr->radioType = le16_to_cpu(capr->radioType);
1879 capr->country = le16_to_cpu(capr->country);
1880 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1881 *s = le16_to_cpu(*s);
1884 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1885 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1888 sr->len = le16_to_cpu(sr->len);
1889 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1893 static int airo_open(struct net_device *dev) {
1894 struct airo_info *info = dev->priv;
1897 if (test_bit(FLAG_FLASHING, &info->flags))
1900 /* Make sure the card is configured.
1901 * Wireless Extensions may postpone config changes until the card
1902 * is open (to pipeline changes and speed-up card setup). If
1903 * those changes are not yet commited, do it now - Jean II */
1904 if (test_bit (FLAG_COMMIT, &info->flags)) {
1905 disable_MAC(info, 1);
1906 writeConfigRid(info, 1);
1909 if (info->wifidev != dev) {
1910 /* Power on the MAC controller (which may have been disabled) */
1911 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1912 enable_interrupts(info);
1914 enable_MAC(info, &rsp, 1);
1916 netif_start_queue(dev);
1920 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1921 int npacks, pending;
1922 unsigned long flags;
1923 struct airo_info *ai = dev->priv;
1926 printk(KERN_ERR "airo: %s: skb==NULL\n",__FUNCTION__);
1929 npacks = skb_queue_len (&ai->txq);
1931 if (npacks >= MAXTXQ - 1) {
1932 netif_stop_queue (dev);
1933 if (npacks > MAXTXQ) {
1934 ai->stats.tx_fifo_errors++;
1937 skb_queue_tail (&ai->txq, skb);
1941 spin_lock_irqsave(&ai->aux_lock, flags);
1942 skb_queue_tail (&ai->txq, skb);
1943 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1944 spin_unlock_irqrestore(&ai->aux_lock,flags);
1945 netif_wake_queue (dev);
1948 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1949 mpi_send_packet (dev);
1957 * Attempt to transmit a packet. Can be called from interrupt
1958 * or transmit . return number of packets we tried to send
1961 static int mpi_send_packet (struct net_device *dev)
1963 struct sk_buff *skb;
1964 unsigned char *buffer;
1965 s16 len, *payloadLen;
1966 struct airo_info *ai = dev->priv;
1969 /* get a packet to send */
1971 if ((skb = skb_dequeue(&ai->txq)) == 0) {
1973 "airo: %s: Dequeue'd zero in send_packet()\n",
1978 /* check min length*/
1979 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1982 ai->txfids[0].tx_desc.offset = 0;
1983 ai->txfids[0].tx_desc.valid = 1;
1984 ai->txfids[0].tx_desc.eoc = 1;
1985 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1988 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1989 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1990 * is immediatly after it. ------------------------------------------------
1991 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1992 * ------------------------------------------------
1995 memcpy((char *)ai->txfids[0].virtual_host_addr,
1996 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1998 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
1999 sizeof(wifictlhdr8023));
2000 sendbuf = ai->txfids[0].virtual_host_addr +
2001 sizeof(wifictlhdr8023) + 2 ;
2004 * Firmware automaticly puts 802 header on so
2005 * we don't need to account for it in the length
2008 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2009 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2012 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2015 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2016 ai->txfids[0].tx_desc.len += sizeof(pMic);
2017 /* copy data into airo dma buffer */
2018 memcpy (sendbuf, buffer, sizeof(etherHead));
2019 buffer += sizeof(etherHead);
2020 sendbuf += sizeof(etherHead);
2021 memcpy (sendbuf, &pMic, sizeof(pMic));
2022 sendbuf += sizeof(pMic);
2023 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2027 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2029 dev->trans_start = jiffies;
2031 /* copy data into airo dma buffer */
2032 memcpy(sendbuf, buffer, len);
2035 memcpy_toio(ai->txfids[0].card_ram_off,
2036 &ai->txfids[0].tx_desc, sizeof(TxFid));
2038 OUT4500(ai, EVACK, 8);
2040 dev_kfree_skb_any(skb);
2044 static void get_tx_error(struct airo_info *ai, u32 fid)
2049 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2051 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2053 bap_read(ai, &status, 2, BAP0);
2055 if (le16_to_cpu(status) & 2) /* Too many retries */
2056 ai->stats.tx_aborted_errors++;
2057 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2058 ai->stats.tx_heartbeat_errors++;
2059 if (le16_to_cpu(status) & 8) /* Aid fail */
2061 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2062 ai->stats.tx_carrier_errors++;
2063 if (le16_to_cpu(status) & 0x20) /* Association lost */
2065 /* We produce a TXDROP event only for retry or lifetime
2066 * exceeded, because that's the only status that really mean
2067 * that this particular node went away.
2068 * Other errors means that *we* screwed up. - Jean II */
2069 if ((le16_to_cpu(status) & 2) ||
2070 (le16_to_cpu(status) & 4)) {
2071 union iwreq_data wrqu;
2074 /* Faster to skip over useless data than to do
2075 * another bap_setup(). We are at offset 0x6 and
2076 * need to go to 0x18 and read 6 bytes - Jean II */
2077 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2079 /* Copy 802.11 dest address.
2080 * We use the 802.11 header because the frame may
2081 * not be 802.3 or may be mangled...
2082 * In Ad-Hoc mode, it will be the node address.
2083 * In managed mode, it will be most likely the AP addr
2084 * User space will figure out how to convert it to
2085 * whatever it needs (IP address or else).
2087 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2088 wrqu.addr.sa_family = ARPHRD_ETHER;
2090 /* Send event to user space */
2091 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2095 static void airo_end_xmit(struct net_device *dev) {
2098 struct airo_info *priv = dev->priv;
2099 struct sk_buff *skb = priv->xmit.skb;
2100 int fid = priv->xmit.fid;
2101 u32 *fids = priv->fids;
2103 clear_bit(JOB_XMIT, &priv->flags);
2104 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2105 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2109 if ( status == SUCCESS ) {
2110 dev->trans_start = jiffies;
2111 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2113 priv->fids[fid] &= 0xffff;
2114 priv->stats.tx_window_errors++;
2116 if (i < MAX_FIDS / 2)
2117 netif_wake_queue(dev);
2121 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2124 struct airo_info *priv = dev->priv;
2125 u32 *fids = priv->fids;
2127 if ( skb == NULL ) {
2128 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2132 /* Find a vacant FID */
2133 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2134 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2136 if ( j >= MAX_FIDS / 2 ) {
2137 netif_stop_queue(dev);
2139 if (i == MAX_FIDS / 2) {
2140 priv->stats.tx_fifo_errors++;
2144 /* check min length*/
2145 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2146 /* Mark fid as used & save length for later */
2147 fids[i] |= (len << 16);
2148 priv->xmit.skb = skb;
2150 if (down_trylock(&priv->sem) != 0) {
2151 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2152 netif_stop_queue(dev);
2153 set_bit(JOB_XMIT, &priv->flags);
2154 wake_up_interruptible(&priv->thr_wait);
2160 static void airo_end_xmit11(struct net_device *dev) {
2163 struct airo_info *priv = dev->priv;
2164 struct sk_buff *skb = priv->xmit11.skb;
2165 int fid = priv->xmit11.fid;
2166 u32 *fids = priv->fids;
2168 clear_bit(JOB_XMIT11, &priv->flags);
2169 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2170 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2174 if ( status == SUCCESS ) {
2175 dev->trans_start = jiffies;
2176 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2178 priv->fids[fid] &= 0xffff;
2179 priv->stats.tx_window_errors++;
2182 netif_wake_queue(dev);
2186 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2189 struct airo_info *priv = dev->priv;
2190 u32 *fids = priv->fids;
2192 if (test_bit(FLAG_MPI, &priv->flags)) {
2193 /* Not implemented yet for MPI350 */
2194 netif_stop_queue(dev);
2198 if ( skb == NULL ) {
2199 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2203 /* Find a vacant FID */
2204 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2205 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2207 if ( j >= MAX_FIDS ) {
2208 netif_stop_queue(dev);
2210 if (i == MAX_FIDS) {
2211 priv->stats.tx_fifo_errors++;
2215 /* check min length*/
2216 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2217 /* Mark fid as used & save length for later */
2218 fids[i] |= (len << 16);
2219 priv->xmit11.skb = skb;
2220 priv->xmit11.fid = i;
2221 if (down_trylock(&priv->sem) != 0) {
2222 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2223 netif_stop_queue(dev);
2224 set_bit(JOB_XMIT11, &priv->flags);
2225 wake_up_interruptible(&priv->thr_wait);
2227 airo_end_xmit11(dev);
2231 static void airo_read_stats(struct airo_info *ai) {
2233 u32 *vals = stats_rid.vals;
2235 clear_bit(JOB_STATS, &ai->flags);
2236 if (ai->power.event) {
2240 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2243 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2244 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2245 ai->stats.rx_bytes = vals[92];
2246 ai->stats.tx_bytes = vals[91];
2247 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2248 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2249 ai->stats.multicast = vals[43];
2250 ai->stats.collisions = vals[89];
2252 /* detailed rx_errors: */
2253 ai->stats.rx_length_errors = vals[3];
2254 ai->stats.rx_crc_errors = vals[4];
2255 ai->stats.rx_frame_errors = vals[2];
2256 ai->stats.rx_fifo_errors = vals[0];
2259 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2261 struct airo_info *local = dev->priv;
2263 if (!test_bit(JOB_STATS, &local->flags)) {
2264 /* Get stats out of the card if available */
2265 if (down_trylock(&local->sem) != 0) {
2266 set_bit(JOB_STATS, &local->flags);
2267 wake_up_interruptible(&local->thr_wait);
2269 airo_read_stats(local);
2272 return &local->stats;
2275 static void airo_set_promisc(struct airo_info *ai) {
2279 memset(&cmd, 0, sizeof(cmd));
2280 cmd.cmd=CMD_SETMODE;
2281 clear_bit(JOB_PROMISC, &ai->flags);
2282 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2283 issuecommand(ai, &cmd, &rsp);
2287 static void airo_set_multicast_list(struct net_device *dev) {
2288 struct airo_info *ai = dev->priv;
2290 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2291 change_bit(FLAG_PROMISC, &ai->flags);
2292 if (down_trylock(&ai->sem) != 0) {
2293 set_bit(JOB_PROMISC, &ai->flags);
2294 wake_up_interruptible(&ai->thr_wait);
2296 airo_set_promisc(ai);
2299 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2300 /* Turn on multicast. (Should be already setup...) */
2304 static int airo_set_mac_address(struct net_device *dev, void *p)
2306 struct airo_info *ai = dev->priv;
2307 struct sockaddr *addr = p;
2310 readConfigRid(ai, 1);
2311 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2312 set_bit (FLAG_COMMIT, &ai->flags);
2314 writeConfigRid (ai, 1);
2315 enable_MAC(ai, &rsp, 1);
2316 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2318 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2322 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2324 if ((new_mtu < 68) || (new_mtu > 2400))
2331 static int airo_close(struct net_device *dev) {
2332 struct airo_info *ai = dev->priv;
2334 netif_stop_queue(dev);
2336 if (ai->wifidev != dev) {
2337 #ifdef POWER_ON_DOWN
2338 /* Shut power to the card. The idea is that the user can save
2339 * power when he doesn't need the card with "ifconfig down".
2340 * That's the method that is most friendly towards the network
2341 * stack (i.e. the network stack won't try to broadcast
2342 * anything on the interface and routes are gone. Jean II */
2343 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2346 disable_interrupts( ai );
2351 static void del_airo_dev( struct net_device *dev );
2353 void stop_airo_card( struct net_device *dev, int freeres )
2355 struct airo_info *ai = dev->priv;
2357 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2359 disable_interrupts(ai);
2360 free_irq( dev->irq, dev );
2361 takedown_proc_entry( dev, ai );
2362 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2363 unregister_netdev( dev );
2365 unregister_netdev(ai->wifidev);
2366 free_netdev(ai->wifidev);
2369 clear_bit(FLAG_REGISTERED, &ai->flags);
2371 set_bit(JOB_DIE, &ai->flags);
2372 kill_proc(ai->thr_pid, SIGTERM, 1);
2373 wait_for_completion(&ai->thr_exited);
2376 * Clean out tx queue
2378 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2379 struct sk_buff *skb = NULL;
2380 for (;(skb = skb_dequeue(&ai->txq));)
2393 /* PCMCIA frees this stuff, so only for PCI and ISA */
2394 release_region( dev->base_addr, 64 );
2395 if (test_bit(FLAG_MPI, &ai->flags)) {
2397 mpi_unmap_card(ai->pci);
2399 iounmap(ai->pcimem);
2401 iounmap(ai->pciaux);
2402 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2403 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 static 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;
2644 dev->wireless_handlers = &airo_handler_def;
2645 dev->change_mtu = &airo_change_mtu;
2646 dev->open = &airo_open;
2647 dev->stop = &airo_close;
2649 dev->type = ARPHRD_IEEE80211;
2650 dev->hard_header_len = ETH_HLEN;
2652 dev->addr_len = ETH_ALEN;
2653 dev->tx_queue_len = 100;
2655 memset(dev->broadcast,0xFF, ETH_ALEN);
2657 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2660 static struct net_device *init_wifidev(struct airo_info *ai,
2661 struct net_device *ethdev)
2664 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2667 dev->priv = ethdev->priv;
2668 dev->irq = ethdev->irq;
2669 dev->base_addr = ethdev->base_addr;
2670 dev->wireless_data = ethdev->wireless_data;
2671 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2672 err = register_netdev(dev);
2680 static int reset_card( struct net_device *dev , int lock) {
2681 struct airo_info *ai = dev->priv;
2683 if (lock && down_interruptible(&ai->sem))
2686 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2695 static struct net_device *_init_airo_card( unsigned short irq, int port,
2696 int is_pcmcia, struct pci_dev *pci,
2697 struct device *dmdev )
2699 struct net_device *dev;
2700 struct airo_info *ai;
2703 /* Create the network device object. */
2704 dev = alloc_etherdev(sizeof(*ai));
2706 printk(KERN_ERR "airo: Couldn't alloc_etherdev\n");
2709 if (dev_alloc_name(dev, dev->name) < 0) {
2710 printk(KERN_ERR "airo: Couldn't get name!\n");
2717 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2718 printk(KERN_DEBUG "airo: Found an MPI350 card\n");
2719 set_bit(FLAG_MPI, &ai->flags);
2722 spin_lock_init(&ai->aux_lock);
2723 sema_init(&ai->sem, 1);
2726 init_waitqueue_head (&ai->thr_wait);
2727 init_completion (&ai->thr_exited);
2728 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2729 if (ai->thr_pid < 0)
2734 rc = add_airo_dev( dev );
2738 /* The Airo-specific entries in the device structure. */
2739 if (test_bit(FLAG_MPI,&ai->flags)) {
2740 skb_queue_head_init (&ai->txq);
2741 dev->hard_start_xmit = &mpi_start_xmit;
2743 dev->hard_start_xmit = &airo_start_xmit;
2744 dev->get_stats = &airo_get_stats;
2745 dev->set_multicast_list = &airo_set_multicast_list;
2746 dev->set_mac_address = &airo_set_mac_address;
2747 dev->do_ioctl = &airo_ioctl;
2748 dev->wireless_handlers = &airo_handler_def;
2749 ai->wireless_data.spy_data = &ai->spy_data;
2750 dev->wireless_data = &ai->wireless_data;
2751 dev->change_mtu = &airo_change_mtu;
2752 dev->open = &airo_open;
2753 dev->stop = &airo_close;
2755 dev->base_addr = port;
2757 SET_NETDEV_DEV(dev, dmdev);
2760 if (test_bit(FLAG_MPI,&ai->flags))
2761 reset_card (dev, 1);
2763 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2765 printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
2766 goto err_out_unlink;
2769 if (!request_region( dev->base_addr, 64, dev->name )) {
2771 printk(KERN_ERR "airo: Couldn't request region\n");
2776 if (test_bit(FLAG_MPI,&ai->flags)) {
2777 if (mpi_map_card(ai, pci, dev->name)) {
2778 printk(KERN_ERR "airo: Could not map memory\n");
2784 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2785 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2789 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2790 ai->bap_read = fast_bap_read;
2791 set_bit(FLAG_FLASHING, &ai->flags);
2794 rc = register_netdev(dev);
2796 printk(KERN_ERR "airo: Couldn't register_netdev\n");
2799 ai->wifidev = init_wifidev(ai, dev);
2801 set_bit(FLAG_REGISTERED,&ai->flags);
2802 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
2804 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2805 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2807 /* Allocate the transmit buffers */
2808 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2809 for( i = 0; i < MAX_FIDS; i++ )
2810 ai->fids[i] = transmit_allocate(ai,2312,i>=MAX_FIDS/2);
2812 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2813 netif_start_queue(dev);
2814 SET_MODULE_OWNER(dev);
2818 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2819 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2820 iounmap(ai->pciaux);
2821 iounmap(ai->pcimem);
2822 mpi_unmap_card(ai->pci);
2826 release_region( dev->base_addr, 64 );
2828 free_irq(dev->irq, dev);
2832 set_bit(JOB_DIE, &ai->flags);
2833 kill_proc(ai->thr_pid, SIGTERM, 1);
2834 wait_for_completion(&ai->thr_exited);
2840 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2841 struct device *dmdev)
2843 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2846 EXPORT_SYMBOL(init_airo_card);
2848 static int waitbusy (struct airo_info *ai) {
2850 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2852 if ((++delay % 20) == 0)
2853 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2855 return delay < 10000;
2858 int reset_airo_card( struct net_device *dev )
2861 struct airo_info *ai = dev->priv;
2863 if (reset_card (dev, 1))
2866 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2867 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2870 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev->name,
2871 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2872 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2873 /* Allocate the transmit buffers if needed */
2874 if (!test_bit(FLAG_MPI,&ai->flags))
2875 for( i = 0; i < MAX_FIDS; i++ )
2876 ai->fids[i] = transmit_allocate (ai,2312,i>=MAX_FIDS/2);
2878 enable_interrupts( ai );
2879 netif_wake_queue(dev);
2883 EXPORT_SYMBOL(reset_airo_card);
2885 static void airo_send_event(struct net_device *dev) {
2886 struct airo_info *ai = dev->priv;
2887 union iwreq_data wrqu;
2888 StatusRid status_rid;
2890 clear_bit(JOB_EVENT, &ai->flags);
2891 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2893 wrqu.data.length = 0;
2894 wrqu.data.flags = 0;
2895 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2896 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2898 /* Send event to user space */
2899 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2902 static int airo_thread(void *data) {
2903 struct net_device *dev = data;
2904 struct airo_info *ai = dev->priv;
2907 daemonize("%s", dev->name);
2908 allow_signal(SIGTERM);
2911 if (signal_pending(current))
2912 flush_signals(current);
2914 /* make swsusp happy with our thread */
2917 if (test_bit(JOB_DIE, &ai->flags))
2920 if (ai->flags & JOB_MASK) {
2921 locked = down_interruptible(&ai->sem);
2925 init_waitqueue_entry(&wait, current);
2926 add_wait_queue(&ai->thr_wait, &wait);
2928 set_current_state(TASK_INTERRUPTIBLE);
2929 if (ai->flags & JOB_MASK)
2932 if (time_after_eq(jiffies,ai->expires)){
2933 set_bit(JOB_AUTOWEP,&ai->flags);
2936 if (!signal_pending(current)) {
2937 schedule_timeout(ai->expires - jiffies);
2940 } else if (!signal_pending(current)) {
2946 current->state = TASK_RUNNING;
2947 remove_wait_queue(&ai->thr_wait, &wait);
2954 if (test_bit(JOB_DIE, &ai->flags)) {
2959 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
2964 if (test_bit(JOB_XMIT, &ai->flags))
2966 else if (test_bit(JOB_XMIT11, &ai->flags))
2967 airo_end_xmit11(dev);
2968 else if (test_bit(JOB_STATS, &ai->flags))
2969 airo_read_stats(ai);
2970 else if (test_bit(JOB_WSTATS, &ai->flags))
2971 airo_read_wireless_stats(ai);
2972 else if (test_bit(JOB_PROMISC, &ai->flags))
2973 airo_set_promisc(ai);
2975 else if (test_bit(JOB_MIC, &ai->flags))
2978 else if (test_bit(JOB_EVENT, &ai->flags))
2979 airo_send_event(dev);
2980 else if (test_bit(JOB_AUTOWEP, &ai->flags))
2983 complete_and_exit (&ai->thr_exited, 0);
2986 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
2987 struct net_device *dev = (struct net_device *)dev_id;
2990 struct airo_info *apriv = dev->priv;
2991 u16 savedInterrupts = 0;
2994 if (!netif_device_present(dev))
2998 status = IN4500( apriv, EVSTAT );
2999 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3003 if ( status & EV_AWAKE ) {
3004 OUT4500( apriv, EVACK, EV_AWAKE );
3005 OUT4500( apriv, EVACK, EV_AWAKE );
3008 if (!savedInterrupts) {
3009 savedInterrupts = IN4500( apriv, EVINTEN );
3010 OUT4500( apriv, EVINTEN, 0 );
3013 if ( status & EV_MIC ) {
3014 OUT4500( apriv, EVACK, EV_MIC );
3016 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3017 set_bit(JOB_MIC, &apriv->flags);
3018 wake_up_interruptible(&apriv->thr_wait);
3022 if ( status & EV_LINK ) {
3023 union iwreq_data wrqu;
3024 /* The link status has changed, if you want to put a
3025 monitor hook in, do it here. (Remember that
3026 interrupts are still disabled!)
3028 u16 newStatus = IN4500(apriv, LINKSTAT);
3029 OUT4500( apriv, EVACK, EV_LINK);
3030 /* Here is what newStatus means: */
3031 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3032 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3033 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3034 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3035 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3036 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3037 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3038 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3040 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3042 #define ASSOCIATED 0x0400 /* Assocatied */
3043 #define RC_RESERVED 0 /* Reserved return code */
3044 #define RC_NOREASON 1 /* Unspecified reason */
3045 #define RC_AUTHINV 2 /* Previous authentication invalid */
3046 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3048 #define RC_NOACT 4 /* Disassociated due to inactivity */
3049 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3050 all currently associated stations */
3051 #define RC_BADCLASS2 6 /* Class 2 frame received from
3052 non-Authenticated station */
3053 #define RC_BADCLASS3 7 /* Class 3 frame received from
3054 non-Associated station */
3055 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3057 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3058 Authenticated with the responding station */
3059 if (newStatus != ASSOCIATED) {
3060 if (auto_wep && !apriv->expires) {
3061 apriv->expires = RUN_AT(3*HZ);
3062 wake_up_interruptible(&apriv->thr_wait);
3065 struct task_struct *task = apriv->task;
3069 wake_up_process (task);
3070 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3071 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3073 /* Question : is ASSOCIATED the only status
3074 * that is valid ? We want to catch handover
3075 * and reassociations as valid status
3077 if(newStatus == ASSOCIATED) {
3078 if (apriv->scan_timestamp) {
3079 /* Send an empty event to user space.
3080 * We don't send the received data on
3081 * the event because it would require
3082 * us to do complex transcoding, and
3083 * we want to minimise the work done in
3084 * the irq handler. Use a request to
3085 * extract the data - Jean II */
3086 wrqu.data.length = 0;
3087 wrqu.data.flags = 0;
3088 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
3089 apriv->scan_timestamp = 0;
3091 if (down_trylock(&apriv->sem) != 0) {
3092 set_bit(JOB_EVENT, &apriv->flags);
3093 wake_up_interruptible(&apriv->thr_wait);
3095 airo_send_event(dev);
3097 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3098 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3100 /* Send event to user space */
3101 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3105 /* Check to see if there is something to receive */
3106 if ( status & EV_RX ) {
3107 struct sk_buff *skb = NULL;
3108 u16 fc, len, hdrlen = 0;
3122 if (test_bit(FLAG_MPI,&apriv->flags)) {
3123 if (test_bit(FLAG_802_11, &apriv->flags))
3124 mpi_receive_802_11(apriv);
3126 mpi_receive_802_3(apriv);
3127 OUT4500(apriv, EVACK, EV_RX);
3131 fid = IN4500( apriv, RXFID );
3133 /* Get the packet length */
3134 if (test_bit(FLAG_802_11, &apriv->flags)) {
3135 bap_setup (apriv, fid, 4, BAP0);
3136 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3137 /* Bad CRC. Ignore packet */
3138 if (le16_to_cpu(hdr.status) & 2)
3140 if (apriv->wifidev == NULL)
3143 bap_setup (apriv, fid, 0x36, BAP0);
3144 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3146 len = le16_to_cpu(hdr.len);
3149 printk( KERN_ERR "airo: Bad size %d\n", len );
3155 if (test_bit(FLAG_802_11, &apriv->flags)) {
3156 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3157 fc = le16_to_cpu(fc);
3160 if ((fc & 0xe0) == 0xc0)
3166 if ((fc&0x300)==0x300){
3174 hdrlen = ETH_ALEN * 2;
3176 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3178 apriv->stats.rx_dropped++;
3181 skb_reserve(skb, 2); /* This way the IP header is aligned */
3182 buffer = (u16*)skb_put (skb, len + hdrlen);
3183 if (test_bit(FLAG_802_11, &apriv->flags)) {
3185 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3187 bap_read (apriv, tmpbuf, 6, BAP0);
3189 bap_read (apriv, &gap, sizeof(gap), BAP0);
3190 gap = le16_to_cpu(gap);
3193 bap_read (apriv, tmpbuf, gap, BAP0);
3195 printk(KERN_ERR "airo: gaplen too big. Problems will follow...\n");
3197 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3202 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3204 if (apriv->micstats.enabled) {
3205 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3206 if (ntohs(micbuf.typelen) > 0x05DC)
3207 bap_setup (apriv, fid, 0x44, BAP0);
3209 if (len <= sizeof(micbuf))
3212 len -= sizeof(micbuf);
3213 skb_trim (skb, len + hdrlen);
3217 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3219 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3221 dev_kfree_skb_irq (skb);
3226 OUT4500( apriv, EVACK, EV_RX);
3231 if (apriv->spy_data.spy_number > 0) {
3233 struct iw_quality wstats;
3234 /* Prepare spy data : addr + qual */
3235 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3236 sa = (char*)buffer + 6;
3237 bap_setup (apriv, fid, 8, BAP0);
3238 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3240 sa = (char*)buffer + 10;
3241 wstats.qual = hdr.rssi[0];
3243 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3245 wstats.level = (hdr.rssi[1] + 321) / 2;
3246 wstats.noise = apriv->wstats.qual.noise;
3247 wstats.updated = IW_QUAL_LEVEL_UPDATED
3248 | IW_QUAL_QUAL_UPDATED
3250 /* Update spy records */
3251 wireless_spy_update(dev, sa, &wstats);
3253 #endif /* WIRELESS_SPY */
3254 OUT4500( apriv, EVACK, EV_RX);
3256 if (test_bit(FLAG_802_11, &apriv->flags)) {
3257 skb->mac.raw = skb->data;
3258 skb->pkt_type = PACKET_OTHERHOST;
3259 skb->dev = apriv->wifidev;
3260 skb->protocol = htons(ETH_P_802_2);
3263 skb->protocol = eth_type_trans(skb,dev);
3265 skb->dev->last_rx = jiffies;
3266 skb->ip_summed = CHECKSUM_NONE;
3272 /* Check to see if a packet has been transmitted */
3273 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3278 if (test_bit(FLAG_MPI,&apriv->flags)) {
3279 unsigned long flags;
3281 if (status & EV_TXEXC)
3282 get_tx_error(apriv, -1);
3283 spin_lock_irqsave(&apriv->aux_lock, flags);
3284 if (!skb_queue_empty(&apriv->txq)) {
3285 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3286 mpi_send_packet (dev);
3288 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3289 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3290 netif_wake_queue (dev);
3292 OUT4500( apriv, EVACK,
3293 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3297 fid = IN4500(apriv, TXCOMPLFID);
3299 for( i = 0; i < MAX_FIDS; i++ ) {
3300 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3301 len = apriv->fids[i] >> 16;
3306 if (status & EV_TXEXC)
3307 get_tx_error(apriv, index);
3308 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3309 /* Set up to be used again */
3310 apriv->fids[index] &= 0xffff;
3311 if (index < MAX_FIDS / 2) {
3312 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3313 netif_wake_queue(dev);
3315 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3316 netif_wake_queue(apriv->wifidev);
3319 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3320 printk( KERN_ERR "airo: Unallocated FID was used to xmit\n" );
3324 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3325 printk( KERN_WARNING "airo: Got weird status %x\n",
3326 status & ~STATUS_INTS & ~IGNORE_INTS );
3329 if (savedInterrupts)
3330 OUT4500( apriv, EVINTEN, savedInterrupts );
3333 return IRQ_RETVAL(handled);
3337 * Routines to talk to the card
3341 * This was originally written for the 4500, hence the name
3342 * NOTE: If use with 8bit mode and SMP bad things will happen!
3343 * Why would some one do 8 bit IO in an SMP machine?!?
3345 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3346 if (test_bit(FLAG_MPI,&ai->flags))
3349 outw( val, ai->dev->base_addr + reg );
3351 outb( val & 0xff, ai->dev->base_addr + reg );
3352 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3356 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3359 if (test_bit(FLAG_MPI,&ai->flags))
3362 rc = inw( ai->dev->base_addr + reg );
3364 rc = inb( ai->dev->base_addr + reg );
3365 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3370 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3374 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3375 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3376 * Note : we could try to use !netif_running(dev) in enable_MAC()
3377 * instead of this flag, but I don't trust it *within* the
3378 * open/close functions, and testing both flags together is
3379 * "cheaper" - Jean II */
3380 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3382 if (lock && down_interruptible(&ai->sem))
3383 return -ERESTARTSYS;
3385 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3386 memset(&cmd, 0, sizeof(cmd));
3387 cmd.cmd = MAC_ENABLE;
3388 rc = issuecommand(ai, &cmd, rsp);
3390 set_bit(FLAG_ENABLED, &ai->flags);
3398 printk(KERN_ERR "%s: Cannot enable MAC, err=%d\n",
3403 static void disable_MAC( struct airo_info *ai, int lock ) {
3407 if (lock && down_interruptible(&ai->sem))
3410 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3411 memset(&cmd, 0, sizeof(cmd));
3412 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3413 issuecommand(ai, &cmd, &rsp);
3414 clear_bit(FLAG_ENABLED, &ai->flags);
3420 static void enable_interrupts( struct airo_info *ai ) {
3421 /* Enable the interrupts */
3422 OUT4500( ai, EVINTEN, STATUS_INTS );
3425 static void disable_interrupts( struct airo_info *ai ) {
3426 OUT4500( ai, EVINTEN, 0 );
3429 static void mpi_receive_802_3(struct airo_info *ai)
3433 struct sk_buff *skb;
3440 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3441 /* Make sure we got something */
3442 if (rxd.rdy && rxd.valid == 0) {
3444 if (len < 12 || len > 2048)
3447 skb = dev_alloc_skb(len);
3449 ai->stats.rx_dropped++;
3452 buffer = skb_put(skb,len);
3454 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3455 if (ai->micstats.enabled) {
3457 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3459 if (ntohs(micbuf.typelen) <= 0x05DC) {
3460 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3463 off = sizeof(micbuf);
3464 skb_trim (skb, len - off);
3467 memcpy(buffer + ETH_ALEN * 2,
3468 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3469 len - ETH_ALEN * 2 - off);
3470 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3472 dev_kfree_skb_irq (skb);
3476 memcpy(buffer, ai->rxfids[0].virtual_host_addr, len);
3479 if (ai->spy_data.spy_number > 0) {
3481 struct iw_quality wstats;
3482 /* Prepare spy data : addr + qual */
3483 sa = buffer + ETH_ALEN;
3484 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3487 /* Update spy records */
3488 wireless_spy_update(ai->dev, sa, &wstats);
3490 #endif /* WIRELESS_SPY */
3493 skb->ip_summed = CHECKSUM_NONE;
3494 skb->protocol = eth_type_trans(skb, ai->dev);
3495 skb->dev->last_rx = jiffies;
3499 if (rxd.valid == 0) {
3503 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3507 void mpi_receive_802_11 (struct airo_info *ai)
3510 struct sk_buff *skb = NULL;
3511 u16 fc, len, hdrlen = 0;
3523 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3525 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3526 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3528 /* Bad CRC. Ignore packet */
3529 if (le16_to_cpu(hdr.status) & 2)
3531 if (ai->wifidev == NULL)
3533 len = le16_to_cpu(hdr.len);
3535 printk( KERN_ERR "airo: Bad size %d\n", len );
3541 memcpy ((char *)&fc, ptr, sizeof(fc));
3542 fc = le16_to_cpu(fc);
3545 if ((fc & 0xe0) == 0xc0)
3551 if ((fc&0x300)==0x300){
3559 skb = dev_alloc_skb( len + hdrlen + 2 );
3561 ai->stats.rx_dropped++;
3564 buffer = (u16*)skb_put (skb, len + hdrlen);
3565 memcpy ((char *)buffer, ptr, hdrlen);
3569 memcpy ((char *)&gap, ptr, sizeof(gap));
3571 gap = le16_to_cpu(gap);
3577 "airo: gaplen too big. Problems will follow...\n");
3579 memcpy ((char *)buffer + hdrlen, ptr, len);
3581 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3582 if (ai->spy_data.spy_number > 0) {
3584 struct iw_quality wstats;
3585 /* Prepare spy data : addr + qual */
3586 sa = (char*)buffer + 10;
3587 wstats.qual = hdr.rssi[0];
3589 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3591 wstats.level = (hdr.rssi[1] + 321) / 2;
3592 wstats.noise = ai->wstats.qual.noise;
3593 wstats.updated = IW_QUAL_QUAL_UPDATED
3594 | IW_QUAL_LEVEL_UPDATED
3596 /* Update spy records */
3597 wireless_spy_update(ai->dev, sa, &wstats);
3599 #endif /* IW_WIRELESS_SPY */
3600 skb->mac.raw = skb->data;
3601 skb->pkt_type = PACKET_OTHERHOST;
3602 skb->dev = ai->wifidev;
3603 skb->protocol = htons(ETH_P_802_2);
3604 skb->dev->last_rx = jiffies;
3605 skb->ip_summed = CHECKSUM_NONE;
3608 if (rxd.valid == 0) {
3612 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3616 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3627 memset( &mySsid, 0, sizeof( mySsid ) );
3633 /* The NOP is the first step in getting the card going */
3635 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3636 if (lock && down_interruptible(&ai->sem))
3638 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3643 disable_MAC( ai, 0);
3645 // Let's figure out if we need to use the AUX port
3646 if (!test_bit(FLAG_MPI,&ai->flags)) {
3647 cmd.cmd = CMD_ENABLEAUX;
3648 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3651 printk(KERN_ERR "airo: Error checking for AUX port\n");
3654 if (!aux_bap || rsp.status & 0xff00) {
3655 ai->bap_read = fast_bap_read;
3656 printk(KERN_DEBUG "airo: Doing fast bap_reads\n");
3658 ai->bap_read = aux_bap_read;
3659 printk(KERN_DEBUG "airo: Doing AUX bap_reads\n");
3664 if (ai->config.len == 0) {
3665 tdsRssiRid rssi_rid;
3666 CapabilityRid cap_rid;
3676 // general configuration (read/modify/write)
3677 status = readConfigRid(ai, lock);
3678 if ( status != SUCCESS ) return ERROR;
3680 status = readCapabilityRid(ai, &cap_rid, lock);
3681 if ( status != SUCCESS ) return ERROR;
3683 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3684 if ( status == SUCCESS ) {
3685 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3686 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3693 if (cap_rid.softCap & 8)
3694 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3696 printk(KERN_WARNING "airo: unknown received signal level scale\n");
3698 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3699 ai->config.authType = AUTH_OPEN;
3700 ai->config.modulation = MOD_CCK;
3703 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3704 (micsetup(ai) == SUCCESS)) {
3705 ai->config.opmode |= MODE_MIC;
3706 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3710 /* Save off the MAC */
3711 for( i = 0; i < ETH_ALEN; i++ ) {
3712 mac[i] = ai->config.macAddr[i];
3715 /* Check to see if there are any insmod configured
3719 memset(ai->config.rates,0,sizeof(ai->config.rates));
3720 for( i = 0; i < 8 && rates[i]; i++ ) {
3721 ai->config.rates[i] = rates[i];
3724 if ( basic_rate > 0 ) {
3726 for( i = 0; i < 8; i++ ) {
3727 if ( ai->config.rates[i] == basic_rate ||
3728 !ai->config.rates ) {
3729 ai->config.rates[i] = basic_rate | 0x80;
3734 set_bit (FLAG_COMMIT, &ai->flags);
3737 /* Setup the SSIDs if present */
3740 for( i = 0; i < 3 && ssids[i]; i++ ) {
3741 mySsid.ssids[i].len = strlen(ssids[i]);
3742 if ( mySsid.ssids[i].len > 32 )
3743 mySsid.ssids[i].len = 32;
3744 memcpy(mySsid.ssids[i].ssid, ssids[i],
3745 mySsid.ssids[i].len);
3747 mySsid.len = sizeof(mySsid);
3750 status = writeConfigRid(ai, lock);
3751 if ( status != SUCCESS ) return ERROR;
3753 /* Set up the SSID list */
3755 status = writeSsidRid(ai, &mySsid, lock);
3756 if ( status != SUCCESS ) return ERROR;
3759 status = enable_MAC(ai, &rsp, lock);
3760 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3761 printk( KERN_ERR "airo: Bad MAC enable reason = %x, rid = %x, offset = %d\n", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3765 /* Grab the initial wep key, we gotta save it for auto_wep */
3766 rc = readWepKeyRid(ai, &wkr, 1, lock);
3767 if (rc == SUCCESS) do {
3768 lastindex = wkr.kindex;
3769 if (wkr.kindex == 0xffff) {
3770 ai->defindex = wkr.mac[0];
3772 rc = readWepKeyRid(ai, &wkr, 0, lock);
3773 } while(lastindex != wkr.kindex);
3776 ai->expires = RUN_AT(3*HZ);
3777 wake_up_interruptible(&ai->thr_wait);
3783 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3784 // Im really paranoid about letting it run forever!
3785 int max_tries = 600000;
3787 if (IN4500(ai, EVSTAT) & EV_CMD)
3788 OUT4500(ai, EVACK, EV_CMD);
3790 OUT4500(ai, PARAM0, pCmd->parm0);
3791 OUT4500(ai, PARAM1, pCmd->parm1);
3792 OUT4500(ai, PARAM2, pCmd->parm2);
3793 OUT4500(ai, COMMAND, pCmd->cmd);
3795 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3796 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3797 // PC4500 didn't notice command, try again
3798 OUT4500(ai, COMMAND, pCmd->cmd);
3799 if (!in_atomic() && (max_tries & 255) == 0)
3803 if ( max_tries == -1 ) {
3805 "airo: Max tries exceeded when issueing command\n" );
3806 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3807 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3811 // command completed
3812 pRsp->status = IN4500(ai, STATUS);
3813 pRsp->rsp0 = IN4500(ai, RESP0);
3814 pRsp->rsp1 = IN4500(ai, RESP1);
3815 pRsp->rsp2 = IN4500(ai, RESP2);
3816 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3817 printk (KERN_ERR "airo: cmd= %x\n", pCmd->cmd);
3818 printk (KERN_ERR "airo: status= %x\n", pRsp->status);
3819 printk (KERN_ERR "airo: Rsp0= %x\n", pRsp->rsp0);
3820 printk (KERN_ERR "airo: Rsp1= %x\n", pRsp->rsp1);
3821 printk (KERN_ERR "airo: Rsp2= %x\n", pRsp->rsp2);
3824 // clear stuck command busy if necessary
3825 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3826 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3828 // acknowledge processing the status/response
3829 OUT4500(ai, EVACK, EV_CMD);
3834 /* Sets up the bap to start exchange data. whichbap should
3835 * be one of the BAP0 or BAP1 defines. Locks should be held before
3837 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3842 OUT4500(ai, SELECT0+whichbap, rid);
3843 OUT4500(ai, OFFSET0+whichbap, offset);
3845 int status = IN4500(ai, OFFSET0+whichbap);
3846 if (status & BAP_BUSY) {
3847 /* This isn't really a timeout, but its kinda
3852 } else if ( status & BAP_ERR ) {
3853 /* invalid rid or offset */
3854 printk( KERN_ERR "airo: BAP error %x %d\n",
3857 } else if (status & BAP_DONE) { // success
3860 if ( !(max_tries--) ) {
3862 "airo: BAP setup error too many retries\n" );
3865 // -- PC4500 missed it, try again
3866 OUT4500(ai, SELECT0+whichbap, rid);
3867 OUT4500(ai, OFFSET0+whichbap, offset);
3872 /* should only be called by aux_bap_read. This aux function and the
3873 following use concepts not documented in the developers guide. I
3874 got them from a patch given to my by Aironet */
3875 static u16 aux_setup(struct airo_info *ai, u16 page,
3876 u16 offset, u16 *len)
3880 OUT4500(ai, AUXPAGE, page);
3881 OUT4500(ai, AUXOFF, 0);
3882 next = IN4500(ai, AUXDATA);
3883 *len = IN4500(ai, AUXDATA)&0xff;
3884 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3888 /* requires call to bap_setup() first */
3889 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
3890 int bytelen, int whichbap)
3898 unsigned long flags;
3900 spin_lock_irqsave(&ai->aux_lock, flags);
3901 page = IN4500(ai, SWS0+whichbap);
3902 offset = IN4500(ai, SWS2+whichbap);
3903 next = aux_setup(ai, page, offset, &len);
3904 words = (bytelen+1)>>1;
3906 for (i=0; i<words;) {
3908 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3910 insw( ai->dev->base_addr+DATA0+whichbap,
3913 insb( ai->dev->base_addr+DATA0+whichbap,
3914 pu16Dst+i, count << 1 );
3917 next = aux_setup(ai, next, 4, &len);
3920 spin_unlock_irqrestore(&ai->aux_lock, flags);
3925 /* requires call to bap_setup() first */
3926 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
3927 int bytelen, int whichbap)
3929 bytelen = (bytelen + 1) & (~1); // round up to even value
3931 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
3933 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
3937 /* requires call to bap_setup() first */
3938 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
3939 int bytelen, int whichbap)
3941 bytelen = (bytelen + 1) & (~1); // round up to even value
3943 outsw( ai->dev->base_addr+DATA0+whichbap,
3944 pu16Src, bytelen>>1 );
3946 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
3950 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
3952 Cmd cmd; /* for issuing commands */
3953 Resp rsp; /* response from commands */
3956 memset(&cmd, 0, sizeof(cmd));
3959 status = issuecommand(ai, &cmd, &rsp);
3960 if (status != 0) return status;
3961 if ( (rsp.status & 0x7F00) != 0) {
3962 return (accmd << 8) + (rsp.rsp0 & 0xFF);
3967 /* Note, that we are using BAP1 which is also used by transmit, so
3968 * we must get a lock. */
3969 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
3975 if (down_interruptible(&ai->sem))
3978 if (test_bit(FLAG_MPI,&ai->flags)) {
3982 memset(&cmd, 0, sizeof(cmd));
3983 memset(&rsp, 0, sizeof(rsp));
3984 ai->config_desc.rid_desc.valid = 1;
3985 ai->config_desc.rid_desc.len = RIDSIZE;
3986 ai->config_desc.rid_desc.rid = 0;
3987 ai->config_desc.rid_desc.host_addr = ai->ridbus;
3989 cmd.cmd = CMD_ACCESS;
3992 memcpy_toio(ai->config_desc.card_ram_off,
3993 &ai->config_desc.rid_desc, sizeof(Rid));
3995 rc = issuecommand(ai, &cmd, &rsp);
3997 if (rsp.status & 0x7f00)
4000 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4003 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4007 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4011 // read the rid length field
4012 bap_read(ai, pBuf, 2, BAP1);
4013 // length for remaining part of rid
4014 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4018 "airo: Rid %x has a length of %d which is too short\n",
4019 (int)rid, (int)len );
4023 // read remainder of the rid
4024 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4032 /* Note, that we are using BAP1 which is also used by transmit, so
4033 * make sure this isnt called when a transmit is happening */
4034 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4035 const void *pBuf, int len, int lock)
4040 *(u16*)pBuf = cpu_to_le16((u16)len);
4043 if (down_interruptible(&ai->sem))
4046 if (test_bit(FLAG_MPI,&ai->flags)) {
4050 if (test_bit(FLAG_ENABLED, &ai->flags))
4052 "%s: MAC should be disabled (rid=%04x)\n",
4054 memset(&cmd, 0, sizeof(cmd));
4055 memset(&rsp, 0, sizeof(rsp));
4057 ai->config_desc.rid_desc.valid = 1;
4058 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4059 ai->config_desc.rid_desc.rid = 0;
4061 cmd.cmd = CMD_WRITERID;
4064 memcpy_toio(ai->config_desc.card_ram_off,
4065 &ai->config_desc.rid_desc, sizeof(Rid));
4067 if (len < 4 || len > 2047) {
4068 printk(KERN_ERR "%s: len=%d\n",__FUNCTION__,len);
4071 memcpy((char *)ai->config_desc.virtual_host_addr,
4074 rc = issuecommand(ai, &cmd, &rsp);
4075 if ((rc & 0xff00) != 0) {
4076 printk(KERN_ERR "%s: Write rid Error %d\n",
4078 printk(KERN_ERR "%s: Cmd=%04x\n",
4079 __FUNCTION__,cmd.cmd);
4082 if ((rsp.status & 0x7f00))
4086 // --- first access so that we can write the rid data
4087 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4091 // --- now write the rid data
4092 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4096 bap_write(ai, pBuf, len, BAP1);
4097 // ---now commit the rid data
4098 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4106 /* Allocates a FID to be used for transmitting packets. We only use
4108 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4110 unsigned int loop = 3000;
4116 cmd.cmd = CMD_ALLOCATETX;
4117 cmd.parm0 = lenPayload;
4118 if (down_interruptible(&ai->sem))
4120 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4124 if ( (rsp.status & 0xFF00) != 0) {
4128 /* wait for the allocate event/indication
4129 * It makes me kind of nervous that this can just sit here and spin,
4130 * but in practice it only loops like four times. */
4131 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4137 // get the allocated fid and acknowledge
4138 txFid = IN4500(ai, TXALLOCFID);
4139 OUT4500(ai, EVACK, EV_ALLOC);
4141 /* The CARD is pretty cool since it converts the ethernet packet
4142 * into 802.11. Also note that we don't release the FID since we
4143 * will be using the same one over and over again. */
4144 /* We only have to setup the control once since we are not
4145 * releasing the fid. */
4147 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4148 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4150 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4151 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4152 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4155 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4163 /* In general BAP1 is dedicated to transmiting packets. However,
4164 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4165 Make sure the BAP1 spinlock is held when this is called. */
4166 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4177 if (len <= ETH_ALEN * 2) {
4178 printk( KERN_WARNING "Short packet %d\n", len );
4181 len -= ETH_ALEN * 2;
4184 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4185 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4186 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4188 miclen = sizeof(pMic);
4192 // packet is destination[6], source[6], payload[len-12]
4193 // write the payload length and dst/src/payload
4194 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4195 /* The hardware addresses aren't counted as part of the payload, so
4196 * we have to subtract the 12 bytes for the addresses off */
4197 payloadLen = cpu_to_le16(len + miclen);
4198 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4199 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4201 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4202 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4203 // issue the transmit command
4204 memset( &cmd, 0, sizeof( cmd ) );
4205 cmd.cmd = CMD_TRANSMIT;
4207 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4208 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4212 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4227 fc = le16_to_cpu(*(const u16*)pPacket);
4230 if ((fc & 0xe0) == 0xc0)
4236 if ((fc&0x300)==0x300){
4245 printk( KERN_WARNING "Short packet %d\n", len );
4249 /* packet is 802.11 header + payload
4250 * write the payload length and dst/src/payload */
4251 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4252 /* The 802.11 header aren't counted as part of the payload, so
4253 * we have to subtract the header bytes off */
4254 payloadLen = cpu_to_le16(len-hdrlen);
4255 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4256 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4257 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4258 bap_write(ai, hdrlen == 30 ?
4259 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4261 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4262 // issue the transmit command
4263 memset( &cmd, 0, sizeof( cmd ) );
4264 cmd.cmd = CMD_TRANSMIT;
4266 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4267 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4272 * This is the proc_fs routines. It is a bit messier than I would
4273 * like! Feel free to clean it up!
4276 static ssize_t proc_read( struct file *file,
4277 char __user *buffer,
4281 static ssize_t proc_write( struct file *file,
4282 const char __user *buffer,
4285 static int proc_close( struct inode *inode, struct file *file );
4287 static int proc_stats_open( struct inode *inode, struct file *file );
4288 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4289 static int proc_status_open( struct inode *inode, struct file *file );
4290 static int proc_SSID_open( struct inode *inode, struct file *file );
4291 static int proc_APList_open( struct inode *inode, struct file *file );
4292 static int proc_BSSList_open( struct inode *inode, struct file *file );
4293 static int proc_config_open( struct inode *inode, struct file *file );
4294 static int proc_wepkey_open( struct inode *inode, struct file *file );
4296 static struct file_operations proc_statsdelta_ops = {
4298 .open = proc_statsdelta_open,
4299 .release = proc_close
4302 static struct file_operations proc_stats_ops = {
4304 .open = proc_stats_open,
4305 .release = proc_close
4308 static struct file_operations proc_status_ops = {
4310 .open = proc_status_open,
4311 .release = proc_close
4314 static struct file_operations proc_SSID_ops = {
4316 .write = proc_write,
4317 .open = proc_SSID_open,
4318 .release = proc_close
4321 static struct file_operations proc_BSSList_ops = {
4323 .write = proc_write,
4324 .open = proc_BSSList_open,
4325 .release = proc_close
4328 static struct file_operations proc_APList_ops = {
4330 .write = proc_write,
4331 .open = proc_APList_open,
4332 .release = proc_close
4335 static struct file_operations proc_config_ops = {
4337 .write = proc_write,
4338 .open = proc_config_open,
4339 .release = proc_close
4342 static struct file_operations proc_wepkey_ops = {
4344 .write = proc_write,
4345 .open = proc_wepkey_open,
4346 .release = proc_close
4349 static struct proc_dir_entry *airo_entry;
4358 void (*on_close) (struct inode *, struct file *);
4362 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4365 static int setup_proc_entry( struct net_device *dev,
4366 struct airo_info *apriv ) {
4367 struct proc_dir_entry *entry;
4368 /* First setup the device directory */
4369 strcpy(apriv->proc_name,dev->name);
4370 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4373 apriv->proc_entry->uid = proc_uid;
4374 apriv->proc_entry->gid = proc_gid;
4375 apriv->proc_entry->owner = THIS_MODULE;
4377 /* Setup the StatsDelta */
4378 entry = create_proc_entry("StatsDelta",
4379 S_IFREG | (S_IRUGO&proc_perm),
4381 entry->uid = proc_uid;
4382 entry->gid = proc_gid;
4384 entry->owner = THIS_MODULE;
4385 SETPROC_OPS(entry, proc_statsdelta_ops);
4387 /* Setup the Stats */
4388 entry = create_proc_entry("Stats",
4389 S_IFREG | (S_IRUGO&proc_perm),
4391 entry->uid = proc_uid;
4392 entry->gid = proc_gid;
4394 entry->owner = THIS_MODULE;
4395 SETPROC_OPS(entry, proc_stats_ops);
4397 /* Setup the Status */
4398 entry = create_proc_entry("Status",
4399 S_IFREG | (S_IRUGO&proc_perm),
4401 entry->uid = proc_uid;
4402 entry->gid = proc_gid;
4404 entry->owner = THIS_MODULE;
4405 SETPROC_OPS(entry, proc_status_ops);
4407 /* Setup the Config */
4408 entry = create_proc_entry("Config",
4409 S_IFREG | proc_perm,
4411 entry->uid = proc_uid;
4412 entry->gid = proc_gid;
4414 entry->owner = THIS_MODULE;
4415 SETPROC_OPS(entry, proc_config_ops);
4417 /* Setup the SSID */
4418 entry = create_proc_entry("SSID",
4419 S_IFREG | proc_perm,
4421 entry->uid = proc_uid;
4422 entry->gid = proc_gid;
4424 entry->owner = THIS_MODULE;
4425 SETPROC_OPS(entry, proc_SSID_ops);
4427 /* Setup the APList */
4428 entry = create_proc_entry("APList",
4429 S_IFREG | proc_perm,
4431 entry->uid = proc_uid;
4432 entry->gid = proc_gid;
4434 entry->owner = THIS_MODULE;
4435 SETPROC_OPS(entry, proc_APList_ops);
4437 /* Setup the BSSList */
4438 entry = create_proc_entry("BSSList",
4439 S_IFREG | proc_perm,
4441 entry->uid = proc_uid;
4442 entry->gid = proc_gid;
4444 entry->owner = THIS_MODULE;
4445 SETPROC_OPS(entry, proc_BSSList_ops);
4447 /* Setup the WepKey */
4448 entry = create_proc_entry("WepKey",
4449 S_IFREG | proc_perm,
4451 entry->uid = proc_uid;
4452 entry->gid = proc_gid;
4454 entry->owner = THIS_MODULE;
4455 SETPROC_OPS(entry, proc_wepkey_ops);
4460 static int takedown_proc_entry( struct net_device *dev,
4461 struct airo_info *apriv ) {
4462 if ( !apriv->proc_entry->namelen ) return 0;
4463 remove_proc_entry("Stats",apriv->proc_entry);
4464 remove_proc_entry("StatsDelta",apriv->proc_entry);
4465 remove_proc_entry("Status",apriv->proc_entry);
4466 remove_proc_entry("Config",apriv->proc_entry);
4467 remove_proc_entry("SSID",apriv->proc_entry);
4468 remove_proc_entry("APList",apriv->proc_entry);
4469 remove_proc_entry("BSSList",apriv->proc_entry);
4470 remove_proc_entry("WepKey",apriv->proc_entry);
4471 remove_proc_entry(apriv->proc_name,airo_entry);
4476 * What we want from the proc_fs is to be able to efficiently read
4477 * and write the configuration. To do this, we want to read the
4478 * configuration when the file is opened and write it when the file is
4479 * closed. So basically we allocate a read buffer at open and fill it
4480 * with data, and allocate a write buffer and read it at close.
4484 * The read routine is generic, it relies on the preallocated rbuffer
4485 * to supply the data.
4487 static ssize_t proc_read( struct file *file,
4488 char __user *buffer,
4492 loff_t pos = *offset;
4493 struct proc_data *priv = (struct proc_data*)file->private_data;
4500 if (pos >= priv->readlen)
4502 if (len > priv->readlen - pos)
4503 len = priv->readlen - pos;
4504 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4506 *offset = pos + len;
4511 * The write routine is generic, it fills in a preallocated rbuffer
4512 * to supply the data.
4514 static ssize_t proc_write( struct file *file,
4515 const char __user *buffer,
4519 loff_t pos = *offset;
4520 struct proc_data *priv = (struct proc_data*)file->private_data;
4527 if (pos >= priv->maxwritelen)
4529 if (len > priv->maxwritelen - pos)
4530 len = priv->maxwritelen - pos;
4531 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4533 if ( pos + len > priv->writelen )
4534 priv->writelen = len + file->f_pos;
4535 *offset = pos + len;
4539 static int proc_status_open( struct inode *inode, struct file *file ) {
4540 struct proc_data *data;
4541 struct proc_dir_entry *dp = PDE(inode);
4542 struct net_device *dev = dp->data;
4543 struct airo_info *apriv = dev->priv;
4544 CapabilityRid cap_rid;
4545 StatusRid status_rid;
4548 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4550 memset(file->private_data, 0, sizeof(struct proc_data));
4551 data = (struct proc_data *)file->private_data;
4552 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4553 kfree (file->private_data);
4557 readStatusRid(apriv, &status_rid, 1);
4558 readCapabilityRid(apriv, &cap_rid, 1);
4560 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4561 status_rid.mode & 1 ? "CFG ": "",
4562 status_rid.mode & 2 ? "ACT ": "",
4563 status_rid.mode & 0x10 ? "SYN ": "",
4564 status_rid.mode & 0x20 ? "LNK ": "",
4565 status_rid.mode & 0x40 ? "LEAP ": "",
4566 status_rid.mode & 0x80 ? "PRIV ": "",
4567 status_rid.mode & 0x100 ? "KEY ": "",
4568 status_rid.mode & 0x200 ? "WEP ": "",
4569 status_rid.mode & 0x8000 ? "ERR ": "");
4570 sprintf( data->rbuffer+i, "Mode: %x\n"
4571 "Signal Strength: %d\n"
4572 "Signal Quality: %d\n"
4577 "Driver Version: %s\n"
4578 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4579 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4580 "Software Version: %x\nSoftware Subversion: %x\n"
4581 "Boot block version: %x\n",
4582 (int)status_rid.mode,
4583 (int)status_rid.normalizedSignalStrength,
4584 (int)status_rid.signalQuality,
4585 (int)status_rid.SSIDlen,
4588 (int)status_rid.channel,
4589 (int)status_rid.currentXmitRate/2,
4597 (int)cap_rid.softVer,
4598 (int)cap_rid.softSubVer,
4599 (int)cap_rid.bootBlockVer );
4600 data->readlen = strlen( data->rbuffer );
4604 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4605 static int proc_statsdelta_open( struct inode *inode,
4606 struct file *file ) {
4607 if (file->f_mode&FMODE_WRITE) {
4608 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4610 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4613 static int proc_stats_open( struct inode *inode, struct file *file ) {
4614 return proc_stats_rid_open(inode, file, RID_STATS);
4617 static int proc_stats_rid_open( struct inode *inode,
4620 struct proc_data *data;
4621 struct proc_dir_entry *dp = PDE(inode);
4622 struct net_device *dev = dp->data;
4623 struct airo_info *apriv = dev->priv;
4626 u32 *vals = stats.vals;
4628 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4630 memset(file->private_data, 0, sizeof(struct proc_data));
4631 data = (struct proc_data *)file->private_data;
4632 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4633 kfree (file->private_data);
4637 readStatsRid(apriv, &stats, rid, 1);
4640 for(i=0; statsLabels[i]!=(char *)-1 &&
4641 i*4<stats.len; i++){
4642 if (!statsLabels[i]) continue;
4643 if (j+strlen(statsLabels[i])+16>4096) {
4645 "airo: Potentially disasterous buffer overflow averted!\n");
4648 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4650 if (i*4>=stats.len){
4652 "airo: Got a short rid\n");
4658 static int get_dec_u16( char *buffer, int *start, int limit ) {
4661 for( value = 0; buffer[*start] >= '0' &&
4662 buffer[*start] <= '9' &&
4663 *start < limit; (*start)++ ) {
4666 value += buffer[*start] - '0';
4668 if ( !valid ) return -1;
4672 static int airo_config_commit(struct net_device *dev,
4673 struct iw_request_info *info, void *zwrq,
4676 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4677 struct proc_data *data = file->private_data;
4678 struct proc_dir_entry *dp = PDE(inode);
4679 struct net_device *dev = dp->data;
4680 struct airo_info *ai = dev->priv;
4683 if ( !data->writelen ) return;
4685 readConfigRid(ai, 1);
4686 set_bit (FLAG_COMMIT, &ai->flags);
4688 line = data->wbuffer;
4690 /*** Mode processing */
4691 if ( !strncmp( line, "Mode: ", 6 ) ) {
4693 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4694 set_bit (FLAG_RESET, &ai->flags);
4695 ai->config.rmode &= 0xfe00;
4696 clear_bit (FLAG_802_11, &ai->flags);
4697 ai->config.opmode &= 0xFF00;
4698 ai->config.scanMode = SCANMODE_ACTIVE;
4699 if ( line[0] == 'a' ) {
4700 ai->config.opmode |= 0;
4702 ai->config.opmode |= 1;
4703 if ( line[0] == 'r' ) {
4704 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4705 ai->config.scanMode = SCANMODE_PASSIVE;
4706 set_bit (FLAG_802_11, &ai->flags);
4707 } else if ( line[0] == 'y' ) {
4708 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4709 ai->config.scanMode = SCANMODE_PASSIVE;
4710 set_bit (FLAG_802_11, &ai->flags);
4711 } else if ( line[0] == 'l' )
4712 ai->config.rmode |= RXMODE_LANMON;
4714 set_bit (FLAG_COMMIT, &ai->flags);
4717 /*** Radio status */
4718 else if (!strncmp(line,"Radio: ", 7)) {
4720 if (!strncmp(line,"off",3)) {
4721 set_bit (FLAG_RADIO_OFF, &ai->flags);
4723 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4726 /*** NodeName processing */
4727 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4731 memset( ai->config.nodeName, 0, 16 );
4732 /* Do the name, assume a space between the mode and node name */
4733 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4734 ai->config.nodeName[j] = line[j];
4736 set_bit (FLAG_COMMIT, &ai->flags);
4739 /*** PowerMode processing */
4740 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4742 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4743 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4744 set_bit (FLAG_COMMIT, &ai->flags);
4745 } else if ( !strncmp( line, "PSP", 3 ) ) {
4746 ai->config.powerSaveMode = POWERSAVE_PSP;
4747 set_bit (FLAG_COMMIT, &ai->flags);
4749 ai->config.powerSaveMode = POWERSAVE_CAM;
4750 set_bit (FLAG_COMMIT, &ai->flags);
4752 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4753 int v, i = 0, k = 0; /* i is index into line,
4754 k is index to rates */
4757 while((v = get_dec_u16(line, &i, 3))!=-1) {
4758 ai->config.rates[k++] = (u8)v;
4762 set_bit (FLAG_COMMIT, &ai->flags);
4763 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4766 v = get_dec_u16(line, &i, i+3);
4768 ai->config.channelSet = (u16)v;
4769 set_bit (FLAG_COMMIT, &ai->flags);
4771 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4774 v = get_dec_u16(line, &i, i+3);
4776 ai->config.txPower = (u16)v;
4777 set_bit (FLAG_COMMIT, &ai->flags);
4779 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4783 ai->config.authType = (u16)AUTH_SHAREDKEY;
4786 ai->config.authType = (u16)AUTH_ENCRYPT;
4789 ai->config.authType = (u16)AUTH_OPEN;
4792 set_bit (FLAG_COMMIT, &ai->flags);
4793 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4797 v = get_dec_u16(line, &i, 3);
4798 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4799 ai->config.longRetryLimit = (u16)v;
4800 set_bit (FLAG_COMMIT, &ai->flags);
4801 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4805 v = get_dec_u16(line, &i, 3);
4806 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4807 ai->config.shortRetryLimit = (u16)v;
4808 set_bit (FLAG_COMMIT, &ai->flags);
4809 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4813 v = get_dec_u16(line, &i, 4);
4814 v = (v<0) ? 0 : ((v>2312) ? 2312 : v);
4815 ai->config.rtsThres = (u16)v;
4816 set_bit (FLAG_COMMIT, &ai->flags);
4817 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4821 v = get_dec_u16(line, &i, 5);
4823 ai->config.txLifetime = (u16)v;
4824 set_bit (FLAG_COMMIT, &ai->flags);
4825 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4829 v = get_dec_u16(line, &i, 5);
4831 ai->config.rxLifetime = (u16)v;
4832 set_bit (FLAG_COMMIT, &ai->flags);
4833 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4834 ai->config.txDiversity =
4835 (line[13]=='l') ? 1 :
4836 ((line[13]=='r')? 2: 3);
4837 set_bit (FLAG_COMMIT, &ai->flags);
4838 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4839 ai->config.rxDiversity =
4840 (line[13]=='l') ? 1 :
4841 ((line[13]=='r')? 2: 3);
4842 set_bit (FLAG_COMMIT, &ai->flags);
4843 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4847 v = get_dec_u16(line, &i, 4);
4848 v = (v<256) ? 256 : ((v>2312) ? 2312 : v);
4849 v = v & 0xfffe; /* Make sure its even */
4850 ai->config.fragThresh = (u16)v;
4851 set_bit (FLAG_COMMIT, &ai->flags);
4852 } else if (!strncmp(line, "Modulation: ", 12)) {
4855 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4856 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4857 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4859 printk( KERN_WARNING "airo: Unknown modulation\n" );
4861 } else if (!strncmp(line, "Preamble: ", 10)) {
4864 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4865 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4866 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4867 default: printk(KERN_WARNING "airo: Unknown preamble\n");
4870 printk( KERN_WARNING "Couldn't figure out %s\n", line );
4872 while( line[0] && line[0] != '\n' ) line++;
4873 if ( line[0] ) line++;
4875 airo_config_commit(dev, NULL, NULL, NULL);
4878 static char *get_rmode(u16 mode) {
4880 case RXMODE_RFMON: return "rfmon";
4881 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4882 case RXMODE_LANMON: return "lanmon";
4887 static int proc_config_open( struct inode *inode, struct file *file ) {
4888 struct proc_data *data;
4889 struct proc_dir_entry *dp = PDE(inode);
4890 struct net_device *dev = dp->data;
4891 struct airo_info *ai = dev->priv;
4894 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4896 memset(file->private_data, 0, sizeof(struct proc_data));
4897 data = (struct proc_data *)file->private_data;
4898 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4899 kfree (file->private_data);
4902 if ((data->wbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4903 kfree (data->rbuffer);
4904 kfree (file->private_data);
4907 memset( data->wbuffer, 0, 2048 );
4908 data->maxwritelen = 2048;
4909 data->on_close = proc_config_on_close;
4911 readConfigRid(ai, 1);
4913 i = sprintf( data->rbuffer,
4918 "DataRates: %d %d %d %d %d %d %d %d\n"
4921 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
4922 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
4923 (ai->config.opmode & 0xFF) == 2 ? "AP" :
4924 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
4925 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4926 ai->config.nodeName,
4927 ai->config.powerSaveMode == 0 ? "CAM" :
4928 ai->config.powerSaveMode == 1 ? "PSP" :
4929 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
4930 (int)ai->config.rates[0],
4931 (int)ai->config.rates[1],
4932 (int)ai->config.rates[2],
4933 (int)ai->config.rates[3],
4934 (int)ai->config.rates[4],
4935 (int)ai->config.rates[5],
4936 (int)ai->config.rates[6],
4937 (int)ai->config.rates[7],
4938 (int)ai->config.channelSet,
4939 (int)ai->config.txPower
4941 sprintf( data->rbuffer + i,
4942 "LongRetryLimit: %d\n"
4943 "ShortRetryLimit: %d\n"
4944 "RTSThreshold: %d\n"
4945 "TXMSDULifetime: %d\n"
4946 "RXMSDULifetime: %d\n"
4949 "FragThreshold: %d\n"
4953 (int)ai->config.longRetryLimit,
4954 (int)ai->config.shortRetryLimit,
4955 (int)ai->config.rtsThres,
4956 (int)ai->config.txLifetime,
4957 (int)ai->config.rxLifetime,
4958 ai->config.txDiversity == 1 ? "left" :
4959 ai->config.txDiversity == 2 ? "right" : "both",
4960 ai->config.rxDiversity == 1 ? "left" :
4961 ai->config.rxDiversity == 2 ? "right" : "both",
4962 (int)ai->config.fragThresh,
4963 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
4964 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
4965 ai->config.modulation == 0 ? "default" :
4966 ai->config.modulation == MOD_CCK ? "cck" :
4967 ai->config.modulation == MOD_MOK ? "mok" : "error",
4968 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
4969 ai->config.preamble == PREAMBLE_LONG ? "long" :
4970 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
4972 data->readlen = strlen( data->rbuffer );
4976 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
4977 struct proc_data *data = (struct proc_data *)file->private_data;
4978 struct proc_dir_entry *dp = PDE(inode);
4979 struct net_device *dev = dp->data;
4980 struct airo_info *ai = dev->priv;
4986 if ( !data->writelen ) return;
4988 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
4990 for( i = 0; i < 3; i++ ) {
4992 for( j = 0; j+offset < data->writelen && j < 32 &&
4993 data->wbuffer[offset+j] != '\n'; j++ ) {
4994 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
4996 if ( j == 0 ) break;
4997 SSID_rid.ssids[i].len = j;
4999 while( data->wbuffer[offset] != '\n' &&
5000 offset < data->writelen ) offset++;
5004 SSID_rid.len = sizeof(SSID_rid);
5006 writeSsidRid(ai, &SSID_rid, 1);
5007 enable_MAC(ai, &rsp, 1);
5010 static inline u8 hexVal(char c) {
5011 if (c>='0' && c<='9') return c -= '0';
5012 if (c>='a' && c<='f') return c -= 'a'-10;
5013 if (c>='A' && c<='F') return c -= 'A'-10;
5017 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5018 struct proc_data *data = (struct proc_data *)file->private_data;
5019 struct proc_dir_entry *dp = PDE(inode);
5020 struct net_device *dev = dp->data;
5021 struct airo_info *ai = dev->priv;
5022 APListRid APList_rid;
5026 if ( !data->writelen ) return;
5028 memset( &APList_rid, 0, sizeof(APList_rid) );
5029 APList_rid.len = sizeof(APList_rid);
5031 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5033 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5036 APList_rid.ap[i][j/3]=
5037 hexVal(data->wbuffer[j+i*6*3])<<4;
5040 APList_rid.ap[i][j/3]|=
5041 hexVal(data->wbuffer[j+i*6*3]);
5047 writeAPListRid(ai, &APList_rid, 1);
5048 enable_MAC(ai, &rsp, 1);
5051 /* This function wraps PC4500_writerid with a MAC disable */
5052 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5053 int len, int dummy ) {
5058 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5059 enable_MAC(ai, &rsp, 1);
5063 /* Returns the length of the key at the index. If index == 0xffff
5064 * the index of the transmit key is returned. If the key doesn't exist,
5065 * -1 will be returned.
5067 static int get_wep_key(struct airo_info *ai, u16 index) {
5072 rc = readWepKeyRid(ai, &wkr, 1, 1);
5073 if (rc == SUCCESS) do {
5074 lastindex = wkr.kindex;
5075 if (wkr.kindex == index) {
5076 if (index == 0xffff) {
5081 readWepKeyRid(ai, &wkr, 0, 1);
5082 } while(lastindex != wkr.kindex);
5086 static int set_wep_key(struct airo_info *ai, u16 index,
5087 const char *key, u16 keylen, int perm, int lock ) {
5088 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5092 memset(&wkr, 0, sizeof(wkr));
5094 // We are selecting which key to use
5095 wkr.len = sizeof(wkr);
5096 wkr.kindex = 0xffff;
5097 wkr.mac[0] = (char)index;
5098 if (perm) printk(KERN_INFO "Setting transmit key to %d\n", index);
5099 if (perm) ai->defindex = (char)index;
5101 // We are actually setting the key
5102 wkr.len = sizeof(wkr);
5105 memcpy( wkr.key, key, keylen );
5106 memcpy( wkr.mac, macaddr, ETH_ALEN );
5107 printk(KERN_INFO "Setting key %d\n", index);
5110 disable_MAC(ai, lock);
5111 writeWepKeyRid(ai, &wkr, perm, lock);
5112 enable_MAC(ai, &rsp, lock);
5116 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5117 struct proc_data *data;
5118 struct proc_dir_entry *dp = PDE(inode);
5119 struct net_device *dev = dp->data;
5120 struct airo_info *ai = dev->priv;
5126 memset(key, 0, sizeof(key));
5128 data = (struct proc_data *)file->private_data;
5129 if ( !data->writelen ) return;
5131 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5132 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5133 index = data->wbuffer[0] - '0';
5134 if (data->wbuffer[1] == '\n') {
5135 set_wep_key(ai, index, NULL, 0, 1, 1);
5140 printk(KERN_ERR "airo: WepKey passed invalid key index\n");
5144 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5147 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5150 key[i/3] |= hexVal(data->wbuffer[i+j]);
5154 set_wep_key(ai, index, key, i/3, 1, 1);
5157 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5158 struct proc_data *data;
5159 struct proc_dir_entry *dp = PDE(inode);
5160 struct net_device *dev = dp->data;
5161 struct airo_info *ai = dev->priv;
5168 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5170 memset(file->private_data, 0, sizeof(struct proc_data));
5171 memset(&wkr, 0, sizeof(wkr));
5172 data = (struct proc_data *)file->private_data;
5173 if ((data->rbuffer = kmalloc( 180, GFP_KERNEL )) == NULL) {
5174 kfree (file->private_data);
5177 memset(data->rbuffer, 0, 180);
5179 data->maxwritelen = 80;
5180 if ((data->wbuffer = kmalloc( 80, GFP_KERNEL )) == NULL) {
5181 kfree (data->rbuffer);
5182 kfree (file->private_data);
5185 memset( data->wbuffer, 0, 80 );
5186 data->on_close = proc_wepkey_on_close;
5188 ptr = data->rbuffer;
5189 strcpy(ptr, "No wep keys\n");
5190 rc = readWepKeyRid(ai, &wkr, 1, 1);
5191 if (rc == SUCCESS) do {
5192 lastindex = wkr.kindex;
5193 if (wkr.kindex == 0xffff) {
5194 j += sprintf(ptr+j, "Tx key = %d\n",
5197 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5198 (int)wkr.kindex, (int)wkr.klen);
5200 readWepKeyRid(ai, &wkr, 0, 1);
5201 } while((lastindex != wkr.kindex) && (j < 180-30));
5203 data->readlen = strlen( data->rbuffer );
5207 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5208 struct proc_data *data;
5209 struct proc_dir_entry *dp = PDE(inode);
5210 struct net_device *dev = dp->data;
5211 struct airo_info *ai = dev->priv;
5216 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5218 memset(file->private_data, 0, sizeof(struct proc_data));
5219 data = (struct proc_data *)file->private_data;
5220 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5221 kfree (file->private_data);
5225 data->maxwritelen = 33*3;
5226 if ((data->wbuffer = kmalloc( 33*3, GFP_KERNEL )) == NULL) {
5227 kfree (data->rbuffer);
5228 kfree (file->private_data);
5231 memset( data->wbuffer, 0, 33*3 );
5232 data->on_close = proc_SSID_on_close;
5234 readSsidRid(ai, &SSID_rid);
5235 ptr = data->rbuffer;
5236 for( i = 0; i < 3; i++ ) {
5238 if ( !SSID_rid.ssids[i].len ) break;
5239 for( j = 0; j < 32 &&
5240 j < SSID_rid.ssids[i].len &&
5241 SSID_rid.ssids[i].ssid[j]; j++ ) {
5242 *ptr++ = SSID_rid.ssids[i].ssid[j];
5247 data->readlen = strlen( data->rbuffer );
5251 static int proc_APList_open( struct inode *inode, struct file *file ) {
5252 struct proc_data *data;
5253 struct proc_dir_entry *dp = PDE(inode);
5254 struct net_device *dev = dp->data;
5255 struct airo_info *ai = dev->priv;
5258 APListRid APList_rid;
5260 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5262 memset(file->private_data, 0, sizeof(struct proc_data));
5263 data = (struct proc_data *)file->private_data;
5264 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5265 kfree (file->private_data);
5269 data->maxwritelen = 4*6*3;
5270 if ((data->wbuffer = kmalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5271 kfree (data->rbuffer);
5272 kfree (file->private_data);
5275 memset( data->wbuffer, 0, data->maxwritelen );
5276 data->on_close = proc_APList_on_close;
5278 readAPListRid(ai, &APList_rid);
5279 ptr = data->rbuffer;
5280 for( i = 0; i < 4; i++ ) {
5281 // We end when we find a zero MAC
5282 if ( !*(int*)APList_rid.ap[i] &&
5283 !*(int*)&APList_rid.ap[i][2]) break;
5284 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5285 (int)APList_rid.ap[i][0],
5286 (int)APList_rid.ap[i][1],
5287 (int)APList_rid.ap[i][2],
5288 (int)APList_rid.ap[i][3],
5289 (int)APList_rid.ap[i][4],
5290 (int)APList_rid.ap[i][5]);
5292 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5295 data->readlen = strlen( data->rbuffer );
5299 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5300 struct proc_data *data;
5301 struct proc_dir_entry *dp = PDE(inode);
5302 struct net_device *dev = dp->data;
5303 struct airo_info *ai = dev->priv;
5305 BSSListRid BSSList_rid;
5307 /* If doLoseSync is not 1, we won't do a Lose Sync */
5308 int doLoseSync = -1;
5310 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5312 memset(file->private_data, 0, sizeof(struct proc_data));
5313 data = (struct proc_data *)file->private_data;
5314 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5315 kfree (file->private_data);
5319 data->maxwritelen = 0;
5320 data->wbuffer = NULL;
5321 data->on_close = NULL;
5323 if (file->f_mode & FMODE_WRITE) {
5324 if (!(file->f_mode & FMODE_READ)) {
5328 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5329 memset(&cmd, 0, sizeof(cmd));
5330 cmd.cmd=CMD_LISTBSS;
5331 if (down_interruptible(&ai->sem))
5332 return -ERESTARTSYS;
5333 issuecommand(ai, &cmd, &rsp);
5340 ptr = data->rbuffer;
5341 /* There is a race condition here if there are concurrent opens.
5342 Since it is a rare condition, we'll just live with it, otherwise
5343 we have to add a spin lock... */
5344 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5345 while(rc == 0 && BSSList_rid.index != 0xffff) {
5346 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5347 (int)BSSList_rid.bssid[0],
5348 (int)BSSList_rid.bssid[1],
5349 (int)BSSList_rid.bssid[2],
5350 (int)BSSList_rid.bssid[3],
5351 (int)BSSList_rid.bssid[4],
5352 (int)BSSList_rid.bssid[5],
5353 (int)BSSList_rid.ssidLen,
5355 (int)BSSList_rid.dBm);
5356 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5357 (int)BSSList_rid.dsChannel,
5358 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5359 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5360 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5361 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5362 rc = readBSSListRid(ai, 0, &BSSList_rid);
5365 data->readlen = strlen( data->rbuffer );
5369 static int proc_close( struct inode *inode, struct file *file )
5371 struct proc_data *data = (struct proc_data *)file->private_data;
5372 if ( data->on_close != NULL ) data->on_close( inode, file );
5373 if ( data->rbuffer ) kfree( data->rbuffer );
5374 if ( data->wbuffer ) kfree( data->wbuffer );
5379 static struct net_device_list {
5380 struct net_device *dev;
5381 struct net_device_list *next;
5384 /* Since the card doesn't automatically switch to the right WEP mode,
5385 we will make it do it. If the card isn't associated, every secs we
5386 will switch WEP modes to see if that will help. If the card is
5387 associated we will check every minute to see if anything has
5389 static void timer_func( struct net_device *dev ) {
5390 struct airo_info *apriv = dev->priv;
5393 /* We don't have a link so try changing the authtype */
5394 readConfigRid(apriv, 0);
5395 disable_MAC(apriv, 0);
5396 switch(apriv->config.authType) {
5398 /* So drop to OPEN */
5399 apriv->config.authType = AUTH_OPEN;
5401 case AUTH_SHAREDKEY:
5402 if (apriv->keyindex < auto_wep) {
5403 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5404 apriv->config.authType = AUTH_SHAREDKEY;
5407 /* Drop to ENCRYPT */
5408 apriv->keyindex = 0;
5409 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5410 apriv->config.authType = AUTH_ENCRYPT;
5413 default: /* We'll escalate to SHAREDKEY */
5414 apriv->config.authType = AUTH_SHAREDKEY;
5416 set_bit (FLAG_COMMIT, &apriv->flags);
5417 writeConfigRid(apriv, 0);
5418 enable_MAC(apriv, &rsp, 0);
5421 /* Schedule check to see if the change worked */
5422 clear_bit(JOB_AUTOWEP, &apriv->flags);
5423 apriv->expires = RUN_AT(HZ*3);
5426 static int add_airo_dev( struct net_device *dev ) {
5427 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5432 node->next = airo_devices;
5433 airo_devices = node;
5438 static void del_airo_dev( struct net_device *dev ) {
5439 struct net_device_list **p = &airo_devices;
5440 while( *p && ( (*p)->dev != dev ) )
5442 if ( *p && (*p)->dev == dev )
5447 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5448 const struct pci_device_id *pent)
5450 struct net_device *dev;
5452 if (pci_enable_device(pdev))
5454 pci_set_master(pdev);
5456 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5457 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5459 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5463 pci_set_drvdata(pdev, dev);
5467 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5471 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5473 struct net_device *dev = pci_get_drvdata(pdev);
5474 struct airo_info *ai = dev->priv;
5478 if ((ai->APList == NULL) &&
5479 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5481 if ((ai->SSID == NULL) &&
5482 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5484 readAPListRid(ai, ai->APList);
5485 readSsidRid(ai, ai->SSID);
5486 memset(&cmd, 0, sizeof(cmd));
5487 /* the lock will be released at the end of the resume callback */
5488 if (down_interruptible(&ai->sem))
5491 netif_device_detach(dev);
5494 issuecommand(ai, &cmd, &rsp);
5496 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5497 pci_save_state(pdev);
5498 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5501 static int airo_pci_resume(struct pci_dev *pdev)
5503 struct net_device *dev = pci_get_drvdata(pdev);
5504 struct airo_info *ai = dev->priv;
5507 pci_set_power_state(pdev, 0);
5508 pci_restore_state(pdev);
5509 pci_enable_wake(pdev, pci_choose_state(pdev, ai->power), 0);
5511 if (ai->power.event > 1) {
5513 mpi_init_descriptors(ai);
5514 setup_card(ai, dev->dev_addr, 0);
5515 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5516 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5518 OUT4500(ai, EVACK, EV_AWAKEN);
5519 OUT4500(ai, EVACK, EV_AWAKEN);
5523 set_bit (FLAG_COMMIT, &ai->flags);
5527 writeSsidRid(ai, ai->SSID, 0);
5532 writeAPListRid(ai, ai->APList, 0);
5536 writeConfigRid(ai, 0);
5537 enable_MAC(ai, &rsp, 0);
5538 ai->power = PMSG_ON;
5539 netif_device_attach(dev);
5540 netif_wake_queue(dev);
5541 enable_interrupts(ai);
5547 static int __init airo_init_module( void )
5549 int i, have_isa_dev = 0;
5551 airo_entry = create_proc_entry("aironet",
5552 S_IFDIR | airo_perm,
5554 airo_entry->uid = proc_uid;
5555 airo_entry->gid = proc_gid;
5557 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5559 "airo: Trying to configure ISA adapter at irq=%d io=0x%x\n",
5561 if (init_airo_card( irq[i], io[i], 0, NULL ))
5566 printk( KERN_INFO "airo: Probing for PCI adapters\n" );
5567 pci_register_driver(&airo_driver);
5568 printk( KERN_INFO "airo: Finished probing for PCI adapters\n" );
5571 /* Always exit with success, as we are a library module
5572 * as well as a driver module
5577 static void __exit airo_cleanup_module( void )
5579 while( airo_devices ) {
5580 printk( KERN_INFO "airo: Unregistering %s\n", airo_devices->dev->name );
5581 stop_airo_card( airo_devices->dev, 1 );
5584 pci_unregister_driver(&airo_driver);
5586 remove_proc_entry("aironet", proc_root_driver);
5590 * Initial Wireless Extension code for Aironet driver by :
5591 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5592 * Conversion to new driver API by :
5593 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5594 * Javier also did a good amount of work here, adding some new extensions
5595 * and fixing my code. Let's just say that without him this code just
5596 * would not work at all... - Jean II
5599 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5604 return (0x100 - rssi_rid[rssi].rssidBm);
5607 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5614 for( i = 0; i < 256; i++ )
5615 if (rssi_rid[i].rssidBm == dbm)
5616 return rssi_rid[i].rssipct;
5622 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5626 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5627 if (memcmp(cap_rid->prodName, "350", 3))
5628 if (status_rid->signalQuality > 0x20)
5631 quality = 0x20 - status_rid->signalQuality;
5633 if (status_rid->signalQuality > 0xb0)
5635 else if (status_rid->signalQuality < 0x10)
5638 quality = 0xb0 - status_rid->signalQuality;
5643 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5644 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5646 /*------------------------------------------------------------------*/
5648 * Wireless Handler : get protocol name
5650 static int airo_get_name(struct net_device *dev,
5651 struct iw_request_info *info,
5655 strcpy(cwrq, "IEEE 802.11-DS");
5659 /*------------------------------------------------------------------*/
5661 * Wireless Handler : set frequency
5663 static int airo_set_freq(struct net_device *dev,
5664 struct iw_request_info *info,
5665 struct iw_freq *fwrq,
5668 struct airo_info *local = dev->priv;
5669 int rc = -EINPROGRESS; /* Call commit handler */
5671 /* If setting by frequency, convert to a channel */
5672 if((fwrq->e == 1) &&
5673 (fwrq->m >= (int) 2.412e8) &&
5674 (fwrq->m <= (int) 2.487e8)) {
5675 int f = fwrq->m / 100000;
5677 while((c < 14) && (f != frequency_list[c]))
5679 /* Hack to fall through... */
5683 /* Setting by channel number */
5684 if((fwrq->m > 1000) || (fwrq->e > 0))
5687 int channel = fwrq->m;
5688 /* We should do a better check than that,
5689 * based on the card capability !!! */
5690 if((channel < 1) || (channel > 16)) {
5691 printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
5694 readConfigRid(local, 1);
5695 /* Yes ! We can set it !!! */
5696 local->config.channelSet = (u16)(channel - 1);
5697 set_bit (FLAG_COMMIT, &local->flags);
5703 /*------------------------------------------------------------------*/
5705 * Wireless Handler : get frequency
5707 static int airo_get_freq(struct net_device *dev,
5708 struct iw_request_info *info,
5709 struct iw_freq *fwrq,
5712 struct airo_info *local = dev->priv;
5713 StatusRid status_rid; /* Card status info */
5715 readConfigRid(local, 1);
5716 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5717 status_rid.channel = local->config.channelSet;
5719 readStatusRid(local, &status_rid, 1);
5721 #ifdef WEXT_USECHANNELS
5722 fwrq->m = ((int)status_rid.channel) + 1;
5726 int f = (int)status_rid.channel;
5727 fwrq->m = frequency_list[f] * 100000;
5735 /*------------------------------------------------------------------*/
5737 * Wireless Handler : set ESSID
5739 static int airo_set_essid(struct net_device *dev,
5740 struct iw_request_info *info,
5741 struct iw_point *dwrq,
5744 struct airo_info *local = dev->priv;
5746 SsidRid SSID_rid; /* SSIDs */
5748 /* Reload the list of current SSID */
5749 readSsidRid(local, &SSID_rid);
5751 /* Check if we asked for `any' */
5752 if(dwrq->flags == 0) {
5753 /* Just send an empty SSID list */
5754 memset(&SSID_rid, 0, sizeof(SSID_rid));
5756 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5758 /* Check the size of the string */
5759 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5762 /* Check if index is valid */
5763 if((index < 0) || (index >= 4)) {
5768 memset(SSID_rid.ssids[index].ssid, 0,
5769 sizeof(SSID_rid.ssids[index].ssid));
5770 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5771 SSID_rid.ssids[index].len = dwrq->length - 1;
5773 SSID_rid.len = sizeof(SSID_rid);
5774 /* Write it to the card */
5775 disable_MAC(local, 1);
5776 writeSsidRid(local, &SSID_rid, 1);
5777 enable_MAC(local, &rsp, 1);
5782 /*------------------------------------------------------------------*/
5784 * Wireless Handler : get ESSID
5786 static int airo_get_essid(struct net_device *dev,
5787 struct iw_request_info *info,
5788 struct iw_point *dwrq,
5791 struct airo_info *local = dev->priv;
5792 StatusRid status_rid; /* Card status info */
5794 readStatusRid(local, &status_rid, 1);
5796 /* Note : if dwrq->flags != 0, we should
5797 * get the relevant SSID from the SSID list... */
5799 /* Get the current SSID */
5800 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5801 extra[status_rid.SSIDlen] = '\0';
5802 /* If none, we may want to get the one that was set */
5805 dwrq->length = status_rid.SSIDlen + 1;
5806 dwrq->flags = 1; /* active */
5811 /*------------------------------------------------------------------*/
5813 * Wireless Handler : set AP address
5815 static int airo_set_wap(struct net_device *dev,
5816 struct iw_request_info *info,
5817 struct sockaddr *awrq,
5820 struct airo_info *local = dev->priv;
5823 APListRid APList_rid;
5824 static const unsigned char bcast[ETH_ALEN] = { 255, 255, 255, 255, 255, 255 };
5826 if (awrq->sa_family != ARPHRD_ETHER)
5828 else if (!memcmp(bcast, awrq->sa_data, ETH_ALEN)) {
5829 memset(&cmd, 0, sizeof(cmd));
5830 cmd.cmd=CMD_LOSE_SYNC;
5831 if (down_interruptible(&local->sem))
5832 return -ERESTARTSYS;
5833 issuecommand(local, &cmd, &rsp);
5836 memset(&APList_rid, 0, sizeof(APList_rid));
5837 APList_rid.len = sizeof(APList_rid);
5838 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5839 disable_MAC(local, 1);
5840 writeAPListRid(local, &APList_rid, 1);
5841 enable_MAC(local, &rsp, 1);
5846 /*------------------------------------------------------------------*/
5848 * Wireless Handler : get AP address
5850 static int airo_get_wap(struct net_device *dev,
5851 struct iw_request_info *info,
5852 struct sockaddr *awrq,
5855 struct airo_info *local = dev->priv;
5856 StatusRid status_rid; /* Card status info */
5858 readStatusRid(local, &status_rid, 1);
5860 /* Tentative. This seems to work, wow, I'm lucky !!! */
5861 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5862 awrq->sa_family = ARPHRD_ETHER;
5867 /*------------------------------------------------------------------*/
5869 * Wireless Handler : set Nickname
5871 static int airo_set_nick(struct net_device *dev,
5872 struct iw_request_info *info,
5873 struct iw_point *dwrq,
5876 struct airo_info *local = dev->priv;
5878 /* Check the size of the string */
5879 if(dwrq->length > 16 + 1) {
5882 readConfigRid(local, 1);
5883 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5884 memcpy(local->config.nodeName, extra, dwrq->length);
5885 set_bit (FLAG_COMMIT, &local->flags);
5887 return -EINPROGRESS; /* Call commit handler */
5890 /*------------------------------------------------------------------*/
5892 * Wireless Handler : get Nickname
5894 static int airo_get_nick(struct net_device *dev,
5895 struct iw_request_info *info,
5896 struct iw_point *dwrq,
5899 struct airo_info *local = dev->priv;
5901 readConfigRid(local, 1);
5902 strncpy(extra, local->config.nodeName, 16);
5904 dwrq->length = strlen(extra) + 1;
5909 /*------------------------------------------------------------------*/
5911 * Wireless Handler : set Bit-Rate
5913 static int airo_set_rate(struct net_device *dev,
5914 struct iw_request_info *info,
5915 struct iw_param *vwrq,
5918 struct airo_info *local = dev->priv;
5919 CapabilityRid cap_rid; /* Card capability info */
5923 /* First : get a valid bit rate value */
5924 readCapabilityRid(local, &cap_rid, 1);
5926 /* Which type of value ? */
5927 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5928 /* Setting by rate index */
5929 /* Find value in the magic rate table */
5930 brate = cap_rid.supportedRates[vwrq->value];
5932 /* Setting by frequency value */
5933 u8 normvalue = (u8) (vwrq->value/500000);
5935 /* Check if rate is valid */
5936 for(i = 0 ; i < 8 ; i++) {
5937 if(normvalue == cap_rid.supportedRates[i]) {
5943 /* -1 designed the max rate (mostly auto mode) */
5944 if(vwrq->value == -1) {
5945 /* Get the highest available rate */
5946 for(i = 0 ; i < 8 ; i++) {
5947 if(cap_rid.supportedRates[i] == 0)
5951 brate = cap_rid.supportedRates[i - 1];
5953 /* Check that it is valid */
5958 readConfigRid(local, 1);
5959 /* Now, check if we want a fixed or auto value */
5960 if(vwrq->fixed == 0) {
5961 /* Fill all the rates up to this max rate */
5962 memset(local->config.rates, 0, 8);
5963 for(i = 0 ; i < 8 ; i++) {
5964 local->config.rates[i] = cap_rid.supportedRates[i];
5965 if(local->config.rates[i] == brate)
5970 /* One rate, fixed */
5971 memset(local->config.rates, 0, 8);
5972 local->config.rates[0] = brate;
5974 set_bit (FLAG_COMMIT, &local->flags);
5976 return -EINPROGRESS; /* Call commit handler */
5979 /*------------------------------------------------------------------*/
5981 * Wireless Handler : get Bit-Rate
5983 static int airo_get_rate(struct net_device *dev,
5984 struct iw_request_info *info,
5985 struct iw_param *vwrq,
5988 struct airo_info *local = dev->priv;
5989 StatusRid status_rid; /* Card status info */
5991 readStatusRid(local, &status_rid, 1);
5993 vwrq->value = status_rid.currentXmitRate * 500000;
5994 /* If more than one rate, set auto */
5995 readConfigRid(local, 1);
5996 vwrq->fixed = (local->config.rates[1] == 0);
6001 /*------------------------------------------------------------------*/
6003 * Wireless Handler : set RTS threshold
6005 static int airo_set_rts(struct net_device *dev,
6006 struct iw_request_info *info,
6007 struct iw_param *vwrq,
6010 struct airo_info *local = dev->priv;
6011 int rthr = vwrq->value;
6015 if((rthr < 0) || (rthr > 2312)) {
6018 readConfigRid(local, 1);
6019 local->config.rtsThres = rthr;
6020 set_bit (FLAG_COMMIT, &local->flags);
6022 return -EINPROGRESS; /* Call commit handler */
6025 /*------------------------------------------------------------------*/
6027 * Wireless Handler : get RTS threshold
6029 static int airo_get_rts(struct net_device *dev,
6030 struct iw_request_info *info,
6031 struct iw_param *vwrq,
6034 struct airo_info *local = dev->priv;
6036 readConfigRid(local, 1);
6037 vwrq->value = local->config.rtsThres;
6038 vwrq->disabled = (vwrq->value >= 2312);
6044 /*------------------------------------------------------------------*/
6046 * Wireless Handler : set Fragmentation threshold
6048 static int airo_set_frag(struct net_device *dev,
6049 struct iw_request_info *info,
6050 struct iw_param *vwrq,
6053 struct airo_info *local = dev->priv;
6054 int fthr = vwrq->value;
6058 if((fthr < 256) || (fthr > 2312)) {
6061 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6062 readConfigRid(local, 1);
6063 local->config.fragThresh = (u16)fthr;
6064 set_bit (FLAG_COMMIT, &local->flags);
6066 return -EINPROGRESS; /* Call commit handler */
6069 /*------------------------------------------------------------------*/
6071 * Wireless Handler : get Fragmentation threshold
6073 static int airo_get_frag(struct net_device *dev,
6074 struct iw_request_info *info,
6075 struct iw_param *vwrq,
6078 struct airo_info *local = dev->priv;
6080 readConfigRid(local, 1);
6081 vwrq->value = local->config.fragThresh;
6082 vwrq->disabled = (vwrq->value >= 2312);
6088 /*------------------------------------------------------------------*/
6090 * Wireless Handler : set Mode of Operation
6092 static int airo_set_mode(struct net_device *dev,
6093 struct iw_request_info *info,
6097 struct airo_info *local = dev->priv;
6100 readConfigRid(local, 1);
6101 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6106 local->config.opmode &= 0xFF00;
6107 local->config.opmode |= MODE_STA_IBSS;
6108 local->config.rmode &= 0xfe00;
6109 local->config.scanMode = SCANMODE_ACTIVE;
6110 clear_bit (FLAG_802_11, &local->flags);
6113 local->config.opmode &= 0xFF00;
6114 local->config.opmode |= MODE_STA_ESS;
6115 local->config.rmode &= 0xfe00;
6116 local->config.scanMode = SCANMODE_ACTIVE;
6117 clear_bit (FLAG_802_11, &local->flags);
6119 case IW_MODE_MASTER:
6120 local->config.opmode &= 0xFF00;
6121 local->config.opmode |= MODE_AP;
6122 local->config.rmode &= 0xfe00;
6123 local->config.scanMode = SCANMODE_ACTIVE;
6124 clear_bit (FLAG_802_11, &local->flags);
6126 case IW_MODE_REPEAT:
6127 local->config.opmode &= 0xFF00;
6128 local->config.opmode |= MODE_AP_RPTR;
6129 local->config.rmode &= 0xfe00;
6130 local->config.scanMode = SCANMODE_ACTIVE;
6131 clear_bit (FLAG_802_11, &local->flags);
6133 case IW_MODE_MONITOR:
6134 local->config.opmode &= 0xFF00;
6135 local->config.opmode |= MODE_STA_ESS;
6136 local->config.rmode &= 0xfe00;
6137 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6138 local->config.scanMode = SCANMODE_PASSIVE;
6139 set_bit (FLAG_802_11, &local->flags);
6145 set_bit (FLAG_RESET, &local->flags);
6146 set_bit (FLAG_COMMIT, &local->flags);
6148 return -EINPROGRESS; /* Call commit handler */
6151 /*------------------------------------------------------------------*/
6153 * Wireless Handler : get Mode of Operation
6155 static int airo_get_mode(struct net_device *dev,
6156 struct iw_request_info *info,
6160 struct airo_info *local = dev->priv;
6162 readConfigRid(local, 1);
6163 /* If not managed, assume it's ad-hoc */
6164 switch (local->config.opmode & 0xFF) {
6166 *uwrq = IW_MODE_INFRA;
6169 *uwrq = IW_MODE_MASTER;
6172 *uwrq = IW_MODE_REPEAT;
6175 *uwrq = IW_MODE_ADHOC;
6181 /*------------------------------------------------------------------*/
6183 * Wireless Handler : set Encryption Key
6185 static int airo_set_encode(struct net_device *dev,
6186 struct iw_request_info *info,
6187 struct iw_point *dwrq,
6190 struct airo_info *local = dev->priv;
6191 CapabilityRid cap_rid; /* Card capability info */
6193 /* Is WEP supported ? */
6194 readCapabilityRid(local, &cap_rid, 1);
6195 /* Older firmware doesn't support this...
6196 if(!(cap_rid.softCap & 2)) {
6199 readConfigRid(local, 1);
6201 /* Basic checking: do we have a key to set ?
6202 * Note : with the new API, it's impossible to get a NULL pointer.
6203 * Therefore, we need to check a key size == 0 instead.
6204 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6205 * when no key is present (only change flags), but older versions
6206 * don't do it. - Jean II */
6207 if (dwrq->length > 0) {
6209 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6210 int current_index = get_wep_key(local, 0xffff);
6211 /* Check the size of the key */
6212 if (dwrq->length > MAX_KEY_SIZE) {
6215 /* Check the index (none -> use current) */
6216 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6217 index = current_index;
6218 /* Set the length */
6219 if (dwrq->length > MIN_KEY_SIZE)
6220 key.len = MAX_KEY_SIZE;
6222 if (dwrq->length > 0)
6223 key.len = MIN_KEY_SIZE;
6225 /* Disable the key */
6227 /* Check if the key is not marked as invalid */
6228 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6230 memset(key.key, 0, MAX_KEY_SIZE);
6231 /* Copy the key in the driver */
6232 memcpy(key.key, extra, dwrq->length);
6233 /* Send the key to the card */
6234 set_wep_key(local, index, key.key, key.len, 1, 1);
6236 /* WE specify that if a valid key is set, encryption
6237 * should be enabled (user may turn it off later)
6238 * This is also how "iwconfig ethX key on" works */
6239 if((index == current_index) && (key.len > 0) &&
6240 (local->config.authType == AUTH_OPEN)) {
6241 local->config.authType = AUTH_ENCRYPT;
6242 set_bit (FLAG_COMMIT, &local->flags);
6245 /* Do we want to just set the transmit key index ? */
6246 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6247 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6248 set_wep_key(local, index, NULL, 0, 1, 1);
6250 /* Don't complain if only change the mode */
6251 if(!dwrq->flags & IW_ENCODE_MODE) {
6255 /* Read the flags */
6256 if(dwrq->flags & IW_ENCODE_DISABLED)
6257 local->config.authType = AUTH_OPEN; // disable encryption
6258 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6259 local->config.authType = AUTH_SHAREDKEY; // Only Both
6260 if(dwrq->flags & IW_ENCODE_OPEN)
6261 local->config.authType = AUTH_ENCRYPT; // Only Wep
6262 /* Commit the changes to flags if needed */
6263 if(dwrq->flags & IW_ENCODE_MODE)
6264 set_bit (FLAG_COMMIT, &local->flags);
6265 return -EINPROGRESS; /* Call commit handler */
6268 /*------------------------------------------------------------------*/
6270 * Wireless Handler : get Encryption Key
6272 static int airo_get_encode(struct net_device *dev,
6273 struct iw_request_info *info,
6274 struct iw_point *dwrq,
6277 struct airo_info *local = dev->priv;
6278 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6279 CapabilityRid cap_rid; /* Card capability info */
6281 /* Is it supported ? */
6282 readCapabilityRid(local, &cap_rid, 1);
6283 if(!(cap_rid.softCap & 2)) {
6286 readConfigRid(local, 1);
6287 /* Check encryption mode */
6288 switch(local->config.authType) {
6290 dwrq->flags = IW_ENCODE_OPEN;
6292 case AUTH_SHAREDKEY:
6293 dwrq->flags = IW_ENCODE_RESTRICTED;
6297 dwrq->flags = IW_ENCODE_DISABLED;
6300 /* We can't return the key, so set the proper flag and return zero */
6301 dwrq->flags |= IW_ENCODE_NOKEY;
6302 memset(extra, 0, 16);
6304 /* Which key do we want ? -1 -> tx index */
6305 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6306 index = get_wep_key(local, 0xffff);
6307 dwrq->flags |= index + 1;
6308 /* Copy the key to the user buffer */
6309 dwrq->length = get_wep_key(local, index);
6310 if (dwrq->length > 16) {
6316 /*------------------------------------------------------------------*/
6318 * Wireless Handler : set Tx-Power
6320 static int airo_set_txpow(struct net_device *dev,
6321 struct iw_request_info *info,
6322 struct iw_param *vwrq,
6325 struct airo_info *local = dev->priv;
6326 CapabilityRid cap_rid; /* Card capability info */
6330 readCapabilityRid(local, &cap_rid, 1);
6332 if (vwrq->disabled) {
6333 set_bit (FLAG_RADIO_OFF, &local->flags);
6334 set_bit (FLAG_COMMIT, &local->flags);
6335 return -EINPROGRESS; /* Call commit handler */
6337 if (vwrq->flags != IW_TXPOW_MWATT) {
6340 clear_bit (FLAG_RADIO_OFF, &local->flags);
6341 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6342 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6343 readConfigRid(local, 1);
6344 local->config.txPower = vwrq->value;
6345 set_bit (FLAG_COMMIT, &local->flags);
6346 rc = -EINPROGRESS; /* Call commit handler */
6352 /*------------------------------------------------------------------*/
6354 * Wireless Handler : get Tx-Power
6356 static int airo_get_txpow(struct net_device *dev,
6357 struct iw_request_info *info,
6358 struct iw_param *vwrq,
6361 struct airo_info *local = dev->priv;
6363 readConfigRid(local, 1);
6364 vwrq->value = local->config.txPower;
6365 vwrq->fixed = 1; /* No power control */
6366 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6367 vwrq->flags = IW_TXPOW_MWATT;
6372 /*------------------------------------------------------------------*/
6374 * Wireless Handler : set Retry limits
6376 static int airo_set_retry(struct net_device *dev,
6377 struct iw_request_info *info,
6378 struct iw_param *vwrq,
6381 struct airo_info *local = dev->priv;
6384 if(vwrq->disabled) {
6387 readConfigRid(local, 1);
6388 if(vwrq->flags & IW_RETRY_LIMIT) {
6389 if(vwrq->flags & IW_RETRY_MAX)
6390 local->config.longRetryLimit = vwrq->value;
6391 else if (vwrq->flags & IW_RETRY_MIN)
6392 local->config.shortRetryLimit = vwrq->value;
6394 /* No modifier : set both */
6395 local->config.longRetryLimit = vwrq->value;
6396 local->config.shortRetryLimit = vwrq->value;
6398 set_bit (FLAG_COMMIT, &local->flags);
6399 rc = -EINPROGRESS; /* Call commit handler */
6401 if(vwrq->flags & IW_RETRY_LIFETIME) {
6402 local->config.txLifetime = vwrq->value / 1024;
6403 set_bit (FLAG_COMMIT, &local->flags);
6404 rc = -EINPROGRESS; /* Call commit handler */
6409 /*------------------------------------------------------------------*/
6411 * Wireless Handler : get Retry limits
6413 static int airo_get_retry(struct net_device *dev,
6414 struct iw_request_info *info,
6415 struct iw_param *vwrq,
6418 struct airo_info *local = dev->priv;
6420 vwrq->disabled = 0; /* Can't be disabled */
6422 readConfigRid(local, 1);
6423 /* Note : by default, display the min retry number */
6424 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6425 vwrq->flags = IW_RETRY_LIFETIME;
6426 vwrq->value = (int)local->config.txLifetime * 1024;
6427 } else if((vwrq->flags & IW_RETRY_MAX)) {
6428 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6429 vwrq->value = (int)local->config.longRetryLimit;
6431 vwrq->flags = IW_RETRY_LIMIT;
6432 vwrq->value = (int)local->config.shortRetryLimit;
6433 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6434 vwrq->flags |= IW_RETRY_MIN;
6440 /*------------------------------------------------------------------*/
6442 * Wireless Handler : get range info
6444 static int airo_get_range(struct net_device *dev,
6445 struct iw_request_info *info,
6446 struct iw_point *dwrq,
6449 struct airo_info *local = dev->priv;
6450 struct iw_range *range = (struct iw_range *) extra;
6451 CapabilityRid cap_rid; /* Card capability info */
6455 readCapabilityRid(local, &cap_rid, 1);
6457 dwrq->length = sizeof(struct iw_range);
6458 memset(range, 0, sizeof(*range));
6459 range->min_nwid = 0x0000;
6460 range->max_nwid = 0x0000;
6461 range->num_channels = 14;
6462 /* Should be based on cap_rid.country to give only
6463 * what the current card support */
6465 for(i = 0; i < 14; i++) {
6466 range->freq[k].i = i + 1; /* List index */
6467 range->freq[k].m = frequency_list[i] * 100000;
6468 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6470 range->num_frequency = k;
6472 range->sensitivity = 65535;
6474 /* Hum... Should put the right values there */
6476 range->max_qual.qual = 100; /* % */
6478 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6479 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6480 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6482 /* Experimental measurements - boundary 11/5.5 Mb/s */
6483 /* Note : with or without the (local->rssi), results
6484 * are somewhat different. - Jean II */
6486 range->avg_qual.qual = 50; /* % */
6487 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6489 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6490 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6492 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6494 for(i = 0 ; i < 8 ; i++) {
6495 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6496 if(range->bitrate[i] == 0)
6499 range->num_bitrates = i;
6501 /* Set an indication of the max TCP throughput
6502 * in bit/s that we can expect using this interface.
6503 * May be use for QoS stuff... Jean II */
6505 range->throughput = 5000 * 1000;
6507 range->throughput = 1500 * 1000;
6510 range->max_rts = 2312;
6511 range->min_frag = 256;
6512 range->max_frag = 2312;
6514 if(cap_rid.softCap & 2) {
6516 range->encoding_size[0] = 5;
6518 if (cap_rid.softCap & 0x100) {
6519 range->encoding_size[1] = 13;
6520 range->num_encoding_sizes = 2;
6522 range->num_encoding_sizes = 1;
6523 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6525 range->num_encoding_sizes = 0;
6526 range->max_encoding_tokens = 0;
6529 range->max_pmp = 5000000; /* 5 secs */
6531 range->max_pmt = 65535 * 1024; /* ??? */
6532 range->pmp_flags = IW_POWER_PERIOD;
6533 range->pmt_flags = IW_POWER_TIMEOUT;
6534 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6536 /* Transmit Power - values are in mW */
6537 for(i = 0 ; i < 8 ; i++) {
6538 range->txpower[i] = cap_rid.txPowerLevels[i];
6539 if(range->txpower[i] == 0)
6542 range->num_txpower = i;
6543 range->txpower_capa = IW_TXPOW_MWATT;
6544 range->we_version_source = 12;
6545 range->we_version_compiled = WIRELESS_EXT;
6546 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6547 range->retry_flags = IW_RETRY_LIMIT;
6548 range->r_time_flags = IW_RETRY_LIFETIME;
6549 range->min_retry = 1;
6550 range->max_retry = 65535;
6551 range->min_r_time = 1024;
6552 range->max_r_time = 65535 * 1024;
6554 /* Event capability (kernel + driver) */
6555 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6556 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6557 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6558 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6559 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6560 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6564 /*------------------------------------------------------------------*/
6566 * Wireless Handler : set Power Management
6568 static int airo_set_power(struct net_device *dev,
6569 struct iw_request_info *info,
6570 struct iw_param *vwrq,
6573 struct airo_info *local = dev->priv;
6575 readConfigRid(local, 1);
6576 if (vwrq->disabled) {
6577 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6580 local->config.powerSaveMode = POWERSAVE_CAM;
6581 local->config.rmode &= 0xFF00;
6582 local->config.rmode |= RXMODE_BC_MC_ADDR;
6583 set_bit (FLAG_COMMIT, &local->flags);
6584 return -EINPROGRESS; /* Call commit handler */
6586 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6587 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6588 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6589 set_bit (FLAG_COMMIT, &local->flags);
6590 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6591 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6592 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6593 set_bit (FLAG_COMMIT, &local->flags);
6595 switch (vwrq->flags & IW_POWER_MODE) {
6596 case IW_POWER_UNICAST_R:
6597 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6600 local->config.rmode &= 0xFF00;
6601 local->config.rmode |= RXMODE_ADDR;
6602 set_bit (FLAG_COMMIT, &local->flags);
6604 case IW_POWER_ALL_R:
6605 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6608 local->config.rmode &= 0xFF00;
6609 local->config.rmode |= RXMODE_BC_MC_ADDR;
6610 set_bit (FLAG_COMMIT, &local->flags);
6616 // Note : we may want to factor local->need_commit here
6617 // Note2 : may also want to factor RXMODE_RFMON test
6618 return -EINPROGRESS; /* Call commit handler */
6621 /*------------------------------------------------------------------*/
6623 * Wireless Handler : get Power Management
6625 static int airo_get_power(struct net_device *dev,
6626 struct iw_request_info *info,
6627 struct iw_param *vwrq,
6630 struct airo_info *local = dev->priv;
6633 readConfigRid(local, 1);
6634 mode = local->config.powerSaveMode;
6635 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6637 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6638 vwrq->value = (int)local->config.fastListenDelay * 1024;
6639 vwrq->flags = IW_POWER_TIMEOUT;
6641 vwrq->value = (int)local->config.fastListenInterval * 1024;
6642 vwrq->flags = IW_POWER_PERIOD;
6644 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
6645 vwrq->flags |= IW_POWER_UNICAST_R;
6647 vwrq->flags |= IW_POWER_ALL_R;
6652 /*------------------------------------------------------------------*/
6654 * Wireless Handler : set Sensitivity
6656 static int airo_set_sens(struct net_device *dev,
6657 struct iw_request_info *info,
6658 struct iw_param *vwrq,
6661 struct airo_info *local = dev->priv;
6663 readConfigRid(local, 1);
6664 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
6665 set_bit (FLAG_COMMIT, &local->flags);
6667 return -EINPROGRESS; /* Call commit handler */
6670 /*------------------------------------------------------------------*/
6672 * Wireless Handler : get Sensitivity
6674 static int airo_get_sens(struct net_device *dev,
6675 struct iw_request_info *info,
6676 struct iw_param *vwrq,
6679 struct airo_info *local = dev->priv;
6681 readConfigRid(local, 1);
6682 vwrq->value = local->config.rssiThreshold;
6683 vwrq->disabled = (vwrq->value == 0);
6689 /*------------------------------------------------------------------*/
6691 * Wireless Handler : get AP List
6692 * Note : this is deprecated in favor of IWSCAN
6694 static int airo_get_aplist(struct net_device *dev,
6695 struct iw_request_info *info,
6696 struct iw_point *dwrq,
6699 struct airo_info *local = dev->priv;
6700 struct sockaddr *address = (struct sockaddr *) extra;
6701 struct iw_quality qual[IW_MAX_AP];
6704 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
6706 for (i = 0; i < IW_MAX_AP; i++) {
6707 if (readBSSListRid(local, loseSync, &BSSList))
6710 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
6711 address[i].sa_family = ARPHRD_ETHER;
6713 qual[i].level = 0x100 - BSSList.dBm;
6714 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
6715 qual[i].updated = IW_QUAL_QUAL_UPDATED
6716 | IW_QUAL_LEVEL_UPDATED
6719 qual[i].level = (BSSList.dBm + 321) / 2;
6721 qual[i].updated = IW_QUAL_QUAL_INVALID
6722 | IW_QUAL_LEVEL_UPDATED
6725 qual[i].noise = local->wstats.qual.noise;
6726 if (BSSList.index == 0xffff)
6730 StatusRid status_rid; /* Card status info */
6731 readStatusRid(local, &status_rid, 1);
6733 i < min(IW_MAX_AP, 4) &&
6734 (status_rid.bssid[i][0]
6735 & status_rid.bssid[i][1]
6736 & status_rid.bssid[i][2]
6737 & status_rid.bssid[i][3]
6738 & status_rid.bssid[i][4]
6739 & status_rid.bssid[i][5])!=0xff &&
6740 (status_rid.bssid[i][0]
6741 | status_rid.bssid[i][1]
6742 | status_rid.bssid[i][2]
6743 | status_rid.bssid[i][3]
6744 | status_rid.bssid[i][4]
6745 | status_rid.bssid[i][5]);
6747 memcpy(address[i].sa_data,
6748 status_rid.bssid[i], ETH_ALEN);
6749 address[i].sa_family = ARPHRD_ETHER;
6752 dwrq->flags = 1; /* Should be define'd */
6753 memcpy(extra + sizeof(struct sockaddr)*i,
6754 &qual, sizeof(struct iw_quality)*i);
6761 /*------------------------------------------------------------------*/
6763 * Wireless Handler : Initiate Scan
6765 static int airo_set_scan(struct net_device *dev,
6766 struct iw_request_info *info,
6767 struct iw_param *vwrq,
6770 struct airo_info *ai = dev->priv;
6774 /* Note : you may have realised that, as this is a SET operation,
6775 * this is privileged and therefore a normal user can't
6777 * This is not an error, while the device perform scanning,
6778 * traffic doesn't flow, so it's a perfect DoS...
6780 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
6782 /* Initiate a scan command */
6783 memset(&cmd, 0, sizeof(cmd));
6784 cmd.cmd=CMD_LISTBSS;
6785 if (down_interruptible(&ai->sem))
6786 return -ERESTARTSYS;
6787 issuecommand(ai, &cmd, &rsp);
6788 ai->scan_timestamp = jiffies;
6791 /* At this point, just return to the user. */
6796 /*------------------------------------------------------------------*/
6798 * Translate scan data returned from the card to a card independent
6799 * format that the Wireless Tools will understand - Jean II
6801 static inline char *airo_translate_scan(struct net_device *dev,
6806 struct airo_info *ai = dev->priv;
6807 struct iw_event iwe; /* Temporary buffer */
6809 char * current_val; /* For rates */
6812 /* First entry *MUST* be the AP MAC address */
6813 iwe.cmd = SIOCGIWAP;
6814 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
6815 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
6816 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
6818 /* Other entries will be displayed in the order we give them */
6821 iwe.u.data.length = bss->ssidLen;
6822 if(iwe.u.data.length > 32)
6823 iwe.u.data.length = 32;
6824 iwe.cmd = SIOCGIWESSID;
6825 iwe.u.data.flags = 1;
6826 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6829 iwe.cmd = SIOCGIWMODE;
6830 capabilities = le16_to_cpu(bss->cap);
6831 if(capabilities & (CAP_ESS | CAP_IBSS)) {
6832 if(capabilities & CAP_ESS)
6833 iwe.u.mode = IW_MODE_MASTER;
6835 iwe.u.mode = IW_MODE_ADHOC;
6836 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
6840 iwe.cmd = SIOCGIWFREQ;
6841 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
6842 /* iwe.u.freq.m containt the channel (starting 1), our
6843 * frequency_list array start at index 0...
6845 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
6847 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
6849 /* Add quality statistics */
6852 iwe.u.qual.level = 0x100 - bss->dBm;
6853 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
6854 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
6855 | IW_QUAL_LEVEL_UPDATED
6858 iwe.u.qual.level = (bss->dBm + 321) / 2;
6859 iwe.u.qual.qual = 0;
6860 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
6861 | IW_QUAL_LEVEL_UPDATED
6864 iwe.u.qual.noise = ai->wstats.qual.noise;
6865 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
6867 /* Add encryption capability */
6868 iwe.cmd = SIOCGIWENCODE;
6869 if(capabilities & CAP_PRIVACY)
6870 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
6872 iwe.u.data.flags = IW_ENCODE_DISABLED;
6873 iwe.u.data.length = 0;
6874 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6876 /* Rate : stuffing multiple values in a single event require a bit
6877 * more of magic - Jean II */
6878 current_val = current_ev + IW_EV_LCP_LEN;
6880 iwe.cmd = SIOCGIWRATE;
6881 /* Those two flags are ignored... */
6882 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
6884 for(i = 0 ; i < 8 ; i++) {
6885 /* NULL terminated */
6886 if(bss->rates[i] == 0)
6888 /* Bit rate given in 500 kb/s units (+ 0x80) */
6889 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
6890 /* Add new value to event */
6891 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
6893 /* Check if we added any event */
6894 if((current_val - current_ev) > IW_EV_LCP_LEN)
6895 current_ev = current_val;
6897 /* The other data in the scan result are not really
6898 * interesting, so for now drop it - Jean II */
6902 /*------------------------------------------------------------------*/
6904 * Wireless Handler : Read Scan Results
6906 static int airo_get_scan(struct net_device *dev,
6907 struct iw_request_info *info,
6908 struct iw_point *dwrq,
6911 struct airo_info *ai = dev->priv;
6914 char *current_ev = extra;
6916 /* When we are associated again, the scan has surely finished.
6917 * Just in case, let's make sure enough time has elapsed since
6918 * we started the scan. - Javier */
6919 if(ai->scan_timestamp && time_before(jiffies,ai->scan_timestamp+3*HZ)) {
6920 /* Important note : we don't want to block the caller
6921 * until results are ready for various reasons.
6922 * First, managing wait queues is complex and racy
6923 * (there may be multiple simultaneous callers).
6924 * Second, we grab some rtnetlink lock before comming
6925 * here (in dev_ioctl()).
6926 * Third, the caller can wait on the Wireless Event
6930 ai->scan_timestamp = 0;
6932 /* There's only a race with proc_BSSList_open(), but its
6933 * consequences are begnign. So I don't bother fixing it - Javier */
6935 /* Try to read the first entry of the scan result */
6936 rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 1);
6937 if((rc) || (BSSList.index == 0xffff)) {
6938 /* Client error, no scan results...
6939 * The caller need to restart the scan. */
6943 /* Read and parse all entries */
6944 while((!rc) && (BSSList.index != 0xffff)) {
6945 /* Translate to WE format this entry */
6946 current_ev = airo_translate_scan(dev, current_ev,
6947 extra + dwrq->length,
6950 /* Check if there is space for one more entry */
6951 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
6952 /* Ask user space to try again with a bigger buffer */
6956 /* Read next entry */
6957 rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
6958 &BSSList, sizeof(BSSList), 1);
6960 /* Length of data */
6961 dwrq->length = (current_ev - extra);
6962 dwrq->flags = 0; /* todo */
6967 /*------------------------------------------------------------------*/
6969 * Commit handler : called after a bunch of SET operations
6971 static int airo_config_commit(struct net_device *dev,
6972 struct iw_request_info *info, /* NULL */
6973 void *zwrq, /* NULL */
6974 char *extra) /* NULL */
6976 struct airo_info *local = dev->priv;
6979 if (!test_bit (FLAG_COMMIT, &local->flags))
6982 /* Some of the "SET" function may have modified some of the
6983 * parameters. It's now time to commit them in the card */
6984 disable_MAC(local, 1);
6985 if (test_bit (FLAG_RESET, &local->flags)) {
6986 APListRid APList_rid;
6989 readAPListRid(local, &APList_rid);
6990 readSsidRid(local, &SSID_rid);
6991 if (test_bit(FLAG_MPI,&local->flags))
6992 setup_card(local, dev->dev_addr, 1 );
6994 reset_airo_card(dev);
6995 disable_MAC(local, 1);
6996 writeSsidRid(local, &SSID_rid, 1);
6997 writeAPListRid(local, &APList_rid, 1);
6999 if (down_interruptible(&local->sem))
7000 return -ERESTARTSYS;
7001 writeConfigRid(local, 0);
7002 enable_MAC(local, &rsp, 0);
7003 if (test_bit (FLAG_RESET, &local->flags))
7004 airo_set_promisc(local);
7011 /*------------------------------------------------------------------*/
7013 * Structures to export the Wireless Handlers
7016 static const struct iw_priv_args airo_private_args[] = {
7017 /*{ cmd, set_args, get_args, name } */
7018 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7019 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7020 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7021 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7024 static const iw_handler airo_handler[] =
7026 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7027 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7028 (iw_handler) NULL, /* SIOCSIWNWID */
7029 (iw_handler) NULL, /* SIOCGIWNWID */
7030 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7031 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7032 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7033 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7034 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7035 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7036 (iw_handler) NULL, /* SIOCSIWRANGE */
7037 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7038 (iw_handler) NULL, /* SIOCSIWPRIV */
7039 (iw_handler) NULL, /* SIOCGIWPRIV */
7040 (iw_handler) NULL, /* SIOCSIWSTATS */
7041 (iw_handler) NULL, /* SIOCGIWSTATS */
7042 iw_handler_set_spy, /* SIOCSIWSPY */
7043 iw_handler_get_spy, /* SIOCGIWSPY */
7044 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7045 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7046 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7047 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7048 (iw_handler) NULL, /* -- hole -- */
7049 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7050 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7051 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7052 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7053 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7054 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7055 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7056 (iw_handler) NULL, /* -- hole -- */
7057 (iw_handler) NULL, /* -- hole -- */
7058 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7059 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7060 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7061 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7062 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7063 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7064 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7065 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7066 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7067 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7068 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7069 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7070 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7071 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7074 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7075 * We want to force the use of the ioctl code, because those can't be
7076 * won't work the iw_handler code (because they simultaneously read
7077 * and write data and iw_handler can't do that).
7078 * Note that it's perfectly legal to read/write on a single ioctl command,
7079 * you just can't use iwpriv and need to force it via the ioctl handler.
7081 static const iw_handler airo_private_handler[] =
7083 NULL, /* SIOCIWFIRSTPRIV */
7086 static const struct iw_handler_def airo_handler_def =
7088 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7089 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7090 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7091 .standard = airo_handler,
7092 .private = airo_private_handler,
7093 .private_args = airo_private_args,
7094 .get_wireless_stats = airo_get_wireless_stats,
7098 * This defines the configuration part of the Wireless Extensions
7099 * Note : irq and spinlock protection will occur in the subroutines
7102 * o Check input value more carefully and fill correct values in range
7103 * o Test and shakeout the bugs (if any)
7107 * Javier Achirica did a great job of merging code from the unnamed CISCO
7108 * developer that added support for flashing the card.
7110 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7113 struct airo_info *ai = (struct airo_info *)dev->priv;
7115 if (ai->power.event)
7125 int val = AIROMAGIC;
7127 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7129 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7138 /* Get the command struct and hand it off for evaluation by
7139 * the proper subfunction
7143 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7148 /* Separate R/W functions bracket legality here
7150 if ( com.command == AIRORSWVERSION ) {
7151 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7156 else if ( com.command <= AIRORRID)
7157 rc = readrids(dev,&com);
7158 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7159 rc = writerids(dev,&com);
7160 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7161 rc = flashcard(dev,&com);
7163 rc = -EINVAL; /* Bad command in ioctl */
7166 #endif /* CISCO_EXT */
7168 // All other calls are currently unsupported
7176 * Get the Wireless stats out of the driver
7177 * Note : irq and spinlock protection will occur in the subroutines
7180 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7184 static void airo_read_wireless_stats(struct airo_info *local)
7186 StatusRid status_rid;
7188 CapabilityRid cap_rid;
7189 u32 *vals = stats_rid.vals;
7191 /* Get stats out of the card */
7192 clear_bit(JOB_WSTATS, &local->flags);
7193 if (local->power.event) {
7197 readCapabilityRid(local, &cap_rid, 0);
7198 readStatusRid(local, &status_rid, 0);
7199 readStatsRid(local, &stats_rid, RID_STATS, 0);
7203 local->wstats.status = status_rid.mode;
7205 /* Signal quality and co */
7207 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7208 /* normalizedSignalStrength appears to be a percentage */
7209 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7211 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7212 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7214 if (status_rid.len >= 124) {
7215 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7216 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7218 local->wstats.qual.noise = 0;
7219 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7222 /* Packets discarded in the wireless adapter due to wireless
7223 * specific problems */
7224 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7225 local->wstats.discard.code = vals[6];/* RxWepErr */
7226 local->wstats.discard.fragment = vals[30];
7227 local->wstats.discard.retries = vals[10];
7228 local->wstats.discard.misc = vals[1] + vals[32];
7229 local->wstats.miss.beacon = vals[34];
7232 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7234 struct airo_info *local = dev->priv;
7236 if (!test_bit(JOB_WSTATS, &local->flags)) {
7237 /* Get stats out of the card if available */
7238 if (down_trylock(&local->sem) != 0) {
7239 set_bit(JOB_WSTATS, &local->flags);
7240 wake_up_interruptible(&local->thr_wait);
7242 airo_read_wireless_stats(local);
7245 return &local->wstats;
7250 * This just translates from driver IOCTL codes to the command codes to
7251 * feed to the radio's host interface. Things can be added/deleted
7252 * as needed. This represents the READ side of control I/O to
7255 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7256 unsigned short ridcode;
7257 unsigned char *iobuf;
7259 struct airo_info *ai = dev->priv;
7262 if (test_bit(FLAG_FLASHING, &ai->flags))
7265 switch(comp->command)
7267 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7268 case AIROGCFG: ridcode = RID_CONFIG;
7269 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7270 disable_MAC (ai, 1);
7271 writeConfigRid (ai, 1);
7272 enable_MAC (ai, &rsp, 1);
7275 case AIROGSLIST: ridcode = RID_SSID; break;
7276 case AIROGVLIST: ridcode = RID_APLIST; break;
7277 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7278 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7279 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7280 /* Only super-user can read WEP keys */
7281 if (!capable(CAP_NET_ADMIN))
7284 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7285 /* Only super-user can read WEP keys */
7286 if (!capable(CAP_NET_ADMIN))
7289 case AIROGSTAT: ridcode = RID_STATUS; break;
7290 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7291 case AIROGSTATSC32: ridcode = RID_STATS; break;
7294 if (copy_to_user(comp->data, &ai->micstats,
7295 min((int)comp->len,(int)sizeof(ai->micstats))))
7299 case AIRORRID: ridcode = comp->ridnum; break;
7305 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7308 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7309 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7310 * then return it to the user
7311 * 9/22/2000 Honor user given length
7315 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7324 * Danger Will Robinson write the rids here
7327 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7328 struct airo_info *ai = dev->priv;
7334 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7335 unsigned char *iobuf;
7337 /* Only super-user can write RIDs */
7338 if (!capable(CAP_NET_ADMIN))
7341 if (test_bit(FLAG_FLASHING, &ai->flags))
7345 writer = do_writerid;
7347 switch(comp->command)
7349 case AIROPSIDS: ridcode = RID_SSID; break;
7350 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7351 case AIROPAPLIST: ridcode = RID_APLIST; break;
7352 case AIROPCFG: ai->config.len = 0;
7353 clear_bit(FLAG_COMMIT, &ai->flags);
7354 ridcode = RID_CONFIG; break;
7355 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7356 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7357 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7358 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7360 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7361 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7363 /* this is not really a rid but a command given to the card
7367 if (enable_MAC(ai, &rsp, 1) != 0)
7372 * Evidently this code in the airo driver does not get a symbol
7373 * as disable_MAC. it's probably so short the compiler does not gen one.
7379 /* This command merely clears the counts does not actually store any data
7380 * only reads rid. But as it changes the cards state, I put it in the
7381 * writerid routines.
7384 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7387 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7390 enabled = ai->micstats.enabled;
7391 memset(&ai->micstats,0,sizeof(ai->micstats));
7392 ai->micstats.enabled = enabled;
7395 if (copy_to_user(comp->data, iobuf,
7396 min((int)comp->len, (int)RIDSIZE))) {
7404 return -EOPNOTSUPP; /* Blarg! */
7406 if(comp->len > RIDSIZE)
7409 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7412 if (copy_from_user(iobuf,comp->data,comp->len)) {
7417 if (comp->command == AIROPCFG) {
7418 ConfigRid *cfg = (ConfigRid *)iobuf;
7420 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7421 cfg->opmode |= MODE_MIC;
7423 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7424 set_bit (FLAG_ADHOC, &ai->flags);
7426 clear_bit (FLAG_ADHOC, &ai->flags);
7429 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7437 /*****************************************************************************
7438 * Ancillary flash / mod functions much black magic lurkes here *
7439 *****************************************************************************
7443 * Flash command switch table
7446 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7449 /* Only super-user can modify flash */
7450 if (!capable(CAP_NET_ADMIN))
7453 switch(comp->command)
7456 return cmdreset((struct airo_info *)dev->priv);
7459 if (!((struct airo_info *)dev->priv)->flash &&
7460 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7462 return setflashmode((struct airo_info *)dev->priv);
7464 case AIROFLSHGCHR: /* Get char from aux */
7465 if(comp->len != sizeof(int))
7467 if (copy_from_user(&z,comp->data,comp->len))
7469 return flashgchar((struct airo_info *)dev->priv,z,8000);
7471 case AIROFLSHPCHR: /* Send char to card. */
7472 if(comp->len != sizeof(int))
7474 if (copy_from_user(&z,comp->data,comp->len))
7476 return flashpchar((struct airo_info *)dev->priv,z,8000);
7478 case AIROFLPUTBUF: /* Send 32k to card */
7479 if (!((struct airo_info *)dev->priv)->flash)
7481 if(comp->len > FLASHSIZE)
7483 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7486 flashputbuf((struct airo_info *)dev->priv);
7490 if(flashrestart((struct airo_info *)dev->priv,dev))
7497 #define FLASH_COMMAND 0x7e7e
7501 * Disable MAC and do soft reset on
7505 static int cmdreset(struct airo_info *ai) {
7509 printk(KERN_INFO "Waitbusy hang before RESET\n");
7513 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7515 ssleep(1); /* WAS 600 12/7/00 */
7518 printk(KERN_INFO "Waitbusy hang AFTER RESET\n");
7525 * Put the card in legendary flash
7529 static int setflashmode (struct airo_info *ai) {
7530 set_bit (FLAG_FLASHING, &ai->flags);
7532 OUT4500(ai, SWS0, FLASH_COMMAND);
7533 OUT4500(ai, SWS1, FLASH_COMMAND);
7535 OUT4500(ai, SWS0, FLASH_COMMAND);
7536 OUT4500(ai, COMMAND,0x10);
7538 OUT4500(ai, SWS2, FLASH_COMMAND);
7539 OUT4500(ai, SWS3, FLASH_COMMAND);
7540 OUT4500(ai, COMMAND,0);
7542 msleep(500); /* 500ms delay */
7545 clear_bit (FLAG_FLASHING, &ai->flags);
7546 printk(KERN_INFO "Waitbusy hang after setflash mode\n");
7552 /* Put character to SWS0 wait for dwelltime
7556 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7567 /* Wait for busy bit d15 to go false indicating buffer empty */
7568 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7573 /* timeout for busy clear wait */
7575 printk(KERN_INFO "flash putchar busywait timeout! \n");
7579 /* Port is clear now write byte and wait for it to echo back */
7581 OUT4500(ai,SWS0,byte);
7584 echo = IN4500(ai,SWS1);
7585 } while (dwelltime >= 0 && echo != byte);
7589 return (echo == byte) ? 0 : -EIO;
7593 * Get a character from the card matching matchbyte
7596 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
7598 unsigned char rbyte=0;
7601 rchar = IN4500(ai,SWS1);
7603 if(dwelltime && !(0x8000 & rchar)){
7608 rbyte = 0xff & rchar;
7610 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
7614 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
7618 }while(dwelltime > 0);
7623 * Transfer 32k of firmware data from user buffer to our buffer and
7627 static int flashputbuf(struct airo_info *ai){
7631 if (test_bit(FLAG_MPI,&ai->flags))
7632 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
7634 OUT4500(ai,AUXPAGE,0x100);
7635 OUT4500(ai,AUXOFF,0);
7637 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
7638 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
7641 OUT4500(ai,SWS0,0x8000);
7649 static int flashrestart(struct airo_info *ai,struct net_device *dev){
7652 ssleep(1); /* Added 12/7/00 */
7653 clear_bit (FLAG_FLASHING, &ai->flags);
7654 if (test_bit(FLAG_MPI, &ai->flags)) {
7655 status = mpi_init_descriptors(ai);
7656 if (status != SUCCESS)
7659 status = setup_card(ai, dev->dev_addr, 1);
7661 if (!test_bit(FLAG_MPI,&ai->flags))
7662 for( i = 0; i < MAX_FIDS; i++ ) {
7663 ai->fids[i] = transmit_allocate
7664 ( ai, 2312, i >= MAX_FIDS / 2 );
7667 ssleep(1); /* Added 12/7/00 */
7670 #endif /* CISCO_EXT */
7673 This program is free software; you can redistribute it and/or
7674 modify it under the terms of the GNU General Public License
7675 as published by the Free Software Foundation; either version 2
7676 of the License, or (at your option) any later version.
7678 This program is distributed in the hope that it will be useful,
7679 but WITHOUT ANY WARRANTY; without even the implied warranty of
7680 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7681 GNU General Public License for more details.
7685 Redistribution and use in source and binary forms, with or without
7686 modification, are permitted provided that the following conditions
7689 1. Redistributions of source code must retain the above copyright
7690 notice, this list of conditions and the following disclaimer.
7691 2. Redistributions in binary form must reproduce the above copyright
7692 notice, this list of conditions and the following disclaimer in the
7693 documentation and/or other materials provided with the distribution.
7694 3. The name of the author may not be used to endorse or promote
7695 products derived from this software without specific prior written
7698 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
7699 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7700 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
7701 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
7702 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
7703 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
7704 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
7705 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
7706 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
7707 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
7708 POSSIBILITY OF SUCH DAMAGE.
7711 module_init(airo_init_module);
7712 module_exit(airo_cleanup_module);