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 dma_addr_t busaddroff;
2525 unsigned char *vpackoff;
2526 unsigned char __iomem *pciaddroff;
2528 mem_start = pci_resource_start(pci, 1);
2529 mem_len = pci_resource_len(pci, 1);
2530 aux_start = pci_resource_start(pci, 2);
2531 aux_len = AUXMEMSIZE;
2533 if (!request_mem_region(mem_start, mem_len, name)) {
2534 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2535 (int)mem_start, (int)mem_len, name);
2538 if (!request_mem_region(aux_start, aux_len, name)) {
2539 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2540 (int)aux_start, (int)aux_len, name);
2544 ai->pcimem = ioremap(mem_start, mem_len);
2546 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2547 (int)mem_start, (int)mem_len, name);
2550 ai->pciaux = ioremap(aux_start, aux_len);
2552 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2553 (int)aux_start, (int)aux_len, name);
2557 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2558 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2560 printk(KERN_ERR "airo: Couldn't alloc_consistent %d\n",
2566 * Setup descriptor RX, TX, CONFIG
2568 busaddroff = ai->shared_dma;
2569 pciaddroff = ai->pciaux + AUX_OFFSET;
2570 vpackoff = ai->shared;
2572 /* RX descriptor setup */
2573 for(i = 0; i < MPI_MAX_FIDS; i++) {
2574 ai->rxfids[i].pending = 0;
2575 ai->rxfids[i].card_ram_off = pciaddroff;
2576 ai->rxfids[i].virtual_host_addr = vpackoff;
2577 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2578 ai->rxfids[i].rx_desc.valid = 1;
2579 ai->rxfids[i].rx_desc.len = PKTSIZE;
2580 ai->rxfids[i].rx_desc.rdy = 0;
2582 pciaddroff += sizeof(RxFid);
2583 busaddroff += PKTSIZE;
2584 vpackoff += PKTSIZE;
2587 /* TX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->txfids[i].card_ram_off = pciaddroff;
2590 ai->txfids[i].virtual_host_addr = vpackoff;
2591 ai->txfids[i].tx_desc.valid = 1;
2592 ai->txfids[i].tx_desc.host_addr = busaddroff;
2593 memcpy(ai->txfids[i].virtual_host_addr,
2594 &wifictlhdr8023, sizeof(wifictlhdr8023));
2596 pciaddroff += sizeof(TxFid);
2597 busaddroff += PKTSIZE;
2598 vpackoff += PKTSIZE;
2600 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2602 /* Rid descriptor setup */
2603 ai->config_desc.card_ram_off = pciaddroff;
2604 ai->config_desc.virtual_host_addr = vpackoff;
2605 ai->config_desc.rid_desc.host_addr = busaddroff;
2606 ai->ridbus = busaddroff;
2607 ai->config_desc.rid_desc.rid = 0;
2608 ai->config_desc.rid_desc.len = RIDSIZE;
2609 ai->config_desc.rid_desc.valid = 1;
2610 pciaddroff += sizeof(Rid);
2611 busaddroff += RIDSIZE;
2612 vpackoff += RIDSIZE;
2614 /* Tell card about descriptors */
2615 if (mpi_init_descriptors (ai) != SUCCESS)
2620 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2622 iounmap(ai->pciaux);
2624 iounmap(ai->pcimem);
2626 release_mem_region(aux_start, aux_len);
2628 release_mem_region(mem_start, mem_len);
2633 static void wifi_setup(struct net_device *dev)
2635 dev->hard_header = NULL;
2636 dev->rebuild_header = NULL;
2637 dev->hard_header_cache = NULL;
2638 dev->header_cache_update= NULL;
2640 dev->hard_header_parse = wll_header_parse;
2641 dev->hard_start_xmit = &airo_start_xmit11;
2642 dev->get_stats = &airo_get_stats;
2643 dev->set_mac_address = &airo_set_mac_address;
2644 dev->do_ioctl = &airo_ioctl;
2645 dev->wireless_handlers = &airo_handler_def;
2646 dev->change_mtu = &airo_change_mtu;
2647 dev->open = &airo_open;
2648 dev->stop = &airo_close;
2650 dev->type = ARPHRD_IEEE80211;
2651 dev->hard_header_len = ETH_HLEN;
2653 dev->addr_len = ETH_ALEN;
2654 dev->tx_queue_len = 100;
2656 memset(dev->broadcast,0xFF, ETH_ALEN);
2658 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2661 static struct net_device *init_wifidev(struct airo_info *ai,
2662 struct net_device *ethdev)
2665 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2668 dev->priv = ethdev->priv;
2669 dev->irq = ethdev->irq;
2670 dev->base_addr = ethdev->base_addr;
2671 dev->wireless_data = ethdev->wireless_data;
2672 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2673 err = register_netdev(dev);
2681 static int reset_card( struct net_device *dev , int lock) {
2682 struct airo_info *ai = dev->priv;
2684 if (lock && down_interruptible(&ai->sem))
2687 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2696 static struct net_device *_init_airo_card( unsigned short irq, int port,
2697 int is_pcmcia, struct pci_dev *pci,
2698 struct device *dmdev )
2700 struct net_device *dev;
2701 struct airo_info *ai;
2704 /* Create the network device object. */
2705 dev = alloc_etherdev(sizeof(*ai));
2707 printk(KERN_ERR "airo: Couldn't alloc_etherdev\n");
2710 if (dev_alloc_name(dev, dev->name) < 0) {
2711 printk(KERN_ERR "airo: Couldn't get name!\n");
2718 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2719 printk(KERN_DEBUG "airo: Found an MPI350 card\n");
2720 set_bit(FLAG_MPI, &ai->flags);
2723 spin_lock_init(&ai->aux_lock);
2724 sema_init(&ai->sem, 1);
2727 init_waitqueue_head (&ai->thr_wait);
2728 init_completion (&ai->thr_exited);
2729 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2730 if (ai->thr_pid < 0)
2735 rc = add_airo_dev( dev );
2739 /* The Airo-specific entries in the device structure. */
2740 if (test_bit(FLAG_MPI,&ai->flags)) {
2741 skb_queue_head_init (&ai->txq);
2742 dev->hard_start_xmit = &mpi_start_xmit;
2744 dev->hard_start_xmit = &airo_start_xmit;
2745 dev->get_stats = &airo_get_stats;
2746 dev->set_multicast_list = &airo_set_multicast_list;
2747 dev->set_mac_address = &airo_set_mac_address;
2748 dev->do_ioctl = &airo_ioctl;
2749 dev->wireless_handlers = &airo_handler_def;
2750 ai->wireless_data.spy_data = &ai->spy_data;
2751 dev->wireless_data = &ai->wireless_data;
2752 dev->change_mtu = &airo_change_mtu;
2753 dev->open = &airo_open;
2754 dev->stop = &airo_close;
2756 dev->base_addr = port;
2758 SET_NETDEV_DEV(dev, dmdev);
2761 if (test_bit(FLAG_MPI,&ai->flags))
2762 reset_card (dev, 1);
2764 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2766 printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
2767 goto err_out_unlink;
2770 if (!request_region( dev->base_addr, 64, dev->name )) {
2772 printk(KERN_ERR "airo: Couldn't request region\n");
2777 if (test_bit(FLAG_MPI,&ai->flags)) {
2778 if (mpi_map_card(ai, pci, dev->name)) {
2779 printk(KERN_ERR "airo: Could not map memory\n");
2785 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2786 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2790 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2791 ai->bap_read = fast_bap_read;
2792 set_bit(FLAG_FLASHING, &ai->flags);
2795 rc = register_netdev(dev);
2797 printk(KERN_ERR "airo: Couldn't register_netdev\n");
2800 ai->wifidev = init_wifidev(ai, dev);
2802 set_bit(FLAG_REGISTERED,&ai->flags);
2803 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
2805 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2806 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2808 /* Allocate the transmit buffers */
2809 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2810 for( i = 0; i < MAX_FIDS; i++ )
2811 ai->fids[i] = transmit_allocate(ai,2312,i>=MAX_FIDS/2);
2813 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2814 netif_start_queue(dev);
2815 SET_MODULE_OWNER(dev);
2819 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2820 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2821 iounmap(ai->pciaux);
2822 iounmap(ai->pcimem);
2823 mpi_unmap_card(ai->pci);
2827 release_region( dev->base_addr, 64 );
2829 free_irq(dev->irq, dev);
2833 set_bit(JOB_DIE, &ai->flags);
2834 kill_proc(ai->thr_pid, SIGTERM, 1);
2835 wait_for_completion(&ai->thr_exited);
2841 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2842 struct device *dmdev)
2844 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2847 EXPORT_SYMBOL(init_airo_card);
2849 static int waitbusy (struct airo_info *ai) {
2851 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2853 if ((++delay % 20) == 0)
2854 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2856 return delay < 10000;
2859 int reset_airo_card( struct net_device *dev )
2862 struct airo_info *ai = dev->priv;
2864 if (reset_card (dev, 1))
2867 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2868 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2871 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev->name,
2872 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2873 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2874 /* Allocate the transmit buffers if needed */
2875 if (!test_bit(FLAG_MPI,&ai->flags))
2876 for( i = 0; i < MAX_FIDS; i++ )
2877 ai->fids[i] = transmit_allocate (ai,2312,i>=MAX_FIDS/2);
2879 enable_interrupts( ai );
2880 netif_wake_queue(dev);
2884 EXPORT_SYMBOL(reset_airo_card);
2886 static void airo_send_event(struct net_device *dev) {
2887 struct airo_info *ai = dev->priv;
2888 union iwreq_data wrqu;
2889 StatusRid status_rid;
2891 clear_bit(JOB_EVENT, &ai->flags);
2892 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2894 wrqu.data.length = 0;
2895 wrqu.data.flags = 0;
2896 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2897 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2899 /* Send event to user space */
2900 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2903 static int airo_thread(void *data) {
2904 struct net_device *dev = data;
2905 struct airo_info *ai = dev->priv;
2908 daemonize("%s", dev->name);
2909 allow_signal(SIGTERM);
2912 if (signal_pending(current))
2913 flush_signals(current);
2915 /* make swsusp happy with our thread */
2918 if (test_bit(JOB_DIE, &ai->flags))
2921 if (ai->flags & JOB_MASK) {
2922 locked = down_interruptible(&ai->sem);
2926 init_waitqueue_entry(&wait, current);
2927 add_wait_queue(&ai->thr_wait, &wait);
2929 set_current_state(TASK_INTERRUPTIBLE);
2930 if (ai->flags & JOB_MASK)
2933 if (time_after_eq(jiffies,ai->expires)){
2934 set_bit(JOB_AUTOWEP,&ai->flags);
2937 if (!signal_pending(current)) {
2938 schedule_timeout(ai->expires - jiffies);
2941 } else if (!signal_pending(current)) {
2947 current->state = TASK_RUNNING;
2948 remove_wait_queue(&ai->thr_wait, &wait);
2955 if (test_bit(JOB_DIE, &ai->flags)) {
2960 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
2965 if (test_bit(JOB_XMIT, &ai->flags))
2967 else if (test_bit(JOB_XMIT11, &ai->flags))
2968 airo_end_xmit11(dev);
2969 else if (test_bit(JOB_STATS, &ai->flags))
2970 airo_read_stats(ai);
2971 else if (test_bit(JOB_WSTATS, &ai->flags))
2972 airo_read_wireless_stats(ai);
2973 else if (test_bit(JOB_PROMISC, &ai->flags))
2974 airo_set_promisc(ai);
2976 else if (test_bit(JOB_MIC, &ai->flags))
2979 else if (test_bit(JOB_EVENT, &ai->flags))
2980 airo_send_event(dev);
2981 else if (test_bit(JOB_AUTOWEP, &ai->flags))
2984 complete_and_exit (&ai->thr_exited, 0);
2987 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
2988 struct net_device *dev = (struct net_device *)dev_id;
2991 struct airo_info *apriv = dev->priv;
2992 u16 savedInterrupts = 0;
2995 if (!netif_device_present(dev))
2999 status = IN4500( apriv, EVSTAT );
3000 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3004 if ( status & EV_AWAKE ) {
3005 OUT4500( apriv, EVACK, EV_AWAKE );
3006 OUT4500( apriv, EVACK, EV_AWAKE );
3009 if (!savedInterrupts) {
3010 savedInterrupts = IN4500( apriv, EVINTEN );
3011 OUT4500( apriv, EVINTEN, 0 );
3014 if ( status & EV_MIC ) {
3015 OUT4500( apriv, EVACK, EV_MIC );
3017 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3018 set_bit(JOB_MIC, &apriv->flags);
3019 wake_up_interruptible(&apriv->thr_wait);
3023 if ( status & EV_LINK ) {
3024 union iwreq_data wrqu;
3025 /* The link status has changed, if you want to put a
3026 monitor hook in, do it here. (Remember that
3027 interrupts are still disabled!)
3029 u16 newStatus = IN4500(apriv, LINKSTAT);
3030 OUT4500( apriv, EVACK, EV_LINK);
3031 /* Here is what newStatus means: */
3032 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3033 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3034 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3035 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3036 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3037 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3038 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3039 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3041 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3043 #define ASSOCIATED 0x0400 /* Assocatied */
3044 #define RC_RESERVED 0 /* Reserved return code */
3045 #define RC_NOREASON 1 /* Unspecified reason */
3046 #define RC_AUTHINV 2 /* Previous authentication invalid */
3047 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3049 #define RC_NOACT 4 /* Disassociated due to inactivity */
3050 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3051 all currently associated stations */
3052 #define RC_BADCLASS2 6 /* Class 2 frame received from
3053 non-Authenticated station */
3054 #define RC_BADCLASS3 7 /* Class 3 frame received from
3055 non-Associated station */
3056 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3058 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3059 Authenticated with the responding station */
3060 if (newStatus != ASSOCIATED) {
3061 if (auto_wep && !apriv->expires) {
3062 apriv->expires = RUN_AT(3*HZ);
3063 wake_up_interruptible(&apriv->thr_wait);
3066 struct task_struct *task = apriv->task;
3070 wake_up_process (task);
3071 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3072 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3074 /* Question : is ASSOCIATED the only status
3075 * that is valid ? We want to catch handover
3076 * and reassociations as valid status
3078 if(newStatus == ASSOCIATED) {
3079 if (apriv->scan_timestamp) {
3080 /* Send an empty event to user space.
3081 * We don't send the received data on
3082 * the event because it would require
3083 * us to do complex transcoding, and
3084 * we want to minimise the work done in
3085 * the irq handler. Use a request to
3086 * extract the data - Jean II */
3087 wrqu.data.length = 0;
3088 wrqu.data.flags = 0;
3089 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
3090 apriv->scan_timestamp = 0;
3092 if (down_trylock(&apriv->sem) != 0) {
3093 set_bit(JOB_EVENT, &apriv->flags);
3094 wake_up_interruptible(&apriv->thr_wait);
3096 airo_send_event(dev);
3098 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3099 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3101 /* Send event to user space */
3102 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3106 /* Check to see if there is something to receive */
3107 if ( status & EV_RX ) {
3108 struct sk_buff *skb = NULL;
3109 u16 fc, len, hdrlen = 0;
3123 if (test_bit(FLAG_MPI,&apriv->flags)) {
3124 if (test_bit(FLAG_802_11, &apriv->flags))
3125 mpi_receive_802_11(apriv);
3127 mpi_receive_802_3(apriv);
3128 OUT4500(apriv, EVACK, EV_RX);
3132 fid = IN4500( apriv, RXFID );
3134 /* Get the packet length */
3135 if (test_bit(FLAG_802_11, &apriv->flags)) {
3136 bap_setup (apriv, fid, 4, BAP0);
3137 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3138 /* Bad CRC. Ignore packet */
3139 if (le16_to_cpu(hdr.status) & 2)
3141 if (apriv->wifidev == NULL)
3144 bap_setup (apriv, fid, 0x36, BAP0);
3145 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3147 len = le16_to_cpu(hdr.len);
3150 printk( KERN_ERR "airo: Bad size %d\n", len );
3156 if (test_bit(FLAG_802_11, &apriv->flags)) {
3157 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3158 fc = le16_to_cpu(fc);
3161 if ((fc & 0xe0) == 0xc0)
3167 if ((fc&0x300)==0x300){
3175 hdrlen = ETH_ALEN * 2;
3177 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3179 apriv->stats.rx_dropped++;
3182 skb_reserve(skb, 2); /* This way the IP header is aligned */
3183 buffer = (u16*)skb_put (skb, len + hdrlen);
3184 if (test_bit(FLAG_802_11, &apriv->flags)) {
3186 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3188 bap_read (apriv, tmpbuf, 6, BAP0);
3190 bap_read (apriv, &gap, sizeof(gap), BAP0);
3191 gap = le16_to_cpu(gap);
3194 bap_read (apriv, tmpbuf, gap, BAP0);
3196 printk(KERN_ERR "airo: gaplen too big. Problems will follow...\n");
3198 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3203 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3205 if (apriv->micstats.enabled) {
3206 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3207 if (ntohs(micbuf.typelen) > 0x05DC)
3208 bap_setup (apriv, fid, 0x44, BAP0);
3210 if (len <= sizeof(micbuf))
3213 len -= sizeof(micbuf);
3214 skb_trim (skb, len + hdrlen);
3218 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3220 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3222 dev_kfree_skb_irq (skb);
3227 OUT4500( apriv, EVACK, EV_RX);
3232 if (apriv->spy_data.spy_number > 0) {
3234 struct iw_quality wstats;
3235 /* Prepare spy data : addr + qual */
3236 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3237 sa = (char*)buffer + 6;
3238 bap_setup (apriv, fid, 8, BAP0);
3239 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3241 sa = (char*)buffer + 10;
3242 wstats.qual = hdr.rssi[0];
3244 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3246 wstats.level = (hdr.rssi[1] + 321) / 2;
3247 wstats.noise = apriv->wstats.qual.noise;
3248 wstats.updated = IW_QUAL_LEVEL_UPDATED
3249 | IW_QUAL_QUAL_UPDATED
3251 /* Update spy records */
3252 wireless_spy_update(dev, sa, &wstats);
3254 #endif /* WIRELESS_SPY */
3255 OUT4500( apriv, EVACK, EV_RX);
3257 if (test_bit(FLAG_802_11, &apriv->flags)) {
3258 skb->mac.raw = skb->data;
3259 skb->pkt_type = PACKET_OTHERHOST;
3260 skb->dev = apriv->wifidev;
3261 skb->protocol = htons(ETH_P_802_2);
3264 skb->protocol = eth_type_trans(skb,dev);
3266 skb->dev->last_rx = jiffies;
3267 skb->ip_summed = CHECKSUM_NONE;
3273 /* Check to see if a packet has been transmitted */
3274 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3279 if (test_bit(FLAG_MPI,&apriv->flags)) {
3280 unsigned long flags;
3282 if (status & EV_TXEXC)
3283 get_tx_error(apriv, -1);
3284 spin_lock_irqsave(&apriv->aux_lock, flags);
3285 if (!skb_queue_empty(&apriv->txq)) {
3286 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3287 mpi_send_packet (dev);
3289 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3290 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3291 netif_wake_queue (dev);
3293 OUT4500( apriv, EVACK,
3294 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3298 fid = IN4500(apriv, TXCOMPLFID);
3300 for( i = 0; i < MAX_FIDS; i++ ) {
3301 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3302 len = apriv->fids[i] >> 16;
3307 if (status & EV_TXEXC)
3308 get_tx_error(apriv, index);
3309 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3310 /* Set up to be used again */
3311 apriv->fids[index] &= 0xffff;
3312 if (index < MAX_FIDS / 2) {
3313 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3314 netif_wake_queue(dev);
3316 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3317 netif_wake_queue(apriv->wifidev);
3320 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3321 printk( KERN_ERR "airo: Unallocated FID was used to xmit\n" );
3325 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3326 printk( KERN_WARNING "airo: Got weird status %x\n",
3327 status & ~STATUS_INTS & ~IGNORE_INTS );
3330 if (savedInterrupts)
3331 OUT4500( apriv, EVINTEN, savedInterrupts );
3334 return IRQ_RETVAL(handled);
3338 * Routines to talk to the card
3342 * This was originally written for the 4500, hence the name
3343 * NOTE: If use with 8bit mode and SMP bad things will happen!
3344 * Why would some one do 8 bit IO in an SMP machine?!?
3346 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3347 if (test_bit(FLAG_MPI,&ai->flags))
3350 outw( val, ai->dev->base_addr + reg );
3352 outb( val & 0xff, ai->dev->base_addr + reg );
3353 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3357 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3360 if (test_bit(FLAG_MPI,&ai->flags))
3363 rc = inw( ai->dev->base_addr + reg );
3365 rc = inb( ai->dev->base_addr + reg );
3366 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3371 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3375 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3376 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3377 * Note : we could try to use !netif_running(dev) in enable_MAC()
3378 * instead of this flag, but I don't trust it *within* the
3379 * open/close functions, and testing both flags together is
3380 * "cheaper" - Jean II */
3381 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3383 if (lock && down_interruptible(&ai->sem))
3384 return -ERESTARTSYS;
3386 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3387 memset(&cmd, 0, sizeof(cmd));
3388 cmd.cmd = MAC_ENABLE;
3389 rc = issuecommand(ai, &cmd, rsp);
3391 set_bit(FLAG_ENABLED, &ai->flags);
3399 printk(KERN_ERR "%s: Cannot enable MAC, err=%d\n",
3404 static void disable_MAC( struct airo_info *ai, int lock ) {
3408 if (lock && down_interruptible(&ai->sem))
3411 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3412 memset(&cmd, 0, sizeof(cmd));
3413 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3414 issuecommand(ai, &cmd, &rsp);
3415 clear_bit(FLAG_ENABLED, &ai->flags);
3421 static void enable_interrupts( struct airo_info *ai ) {
3422 /* Enable the interrupts */
3423 OUT4500( ai, EVINTEN, STATUS_INTS );
3426 static void disable_interrupts( struct airo_info *ai ) {
3427 OUT4500( ai, EVINTEN, 0 );
3430 static void mpi_receive_802_3(struct airo_info *ai)
3434 struct sk_buff *skb;
3441 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3442 /* Make sure we got something */
3443 if (rxd.rdy && rxd.valid == 0) {
3445 if (len < 12 || len > 2048)
3448 skb = dev_alloc_skb(len);
3450 ai->stats.rx_dropped++;
3453 buffer = skb_put(skb,len);
3455 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3456 if (ai->micstats.enabled) {
3458 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3460 if (ntohs(micbuf.typelen) <= 0x05DC) {
3461 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3464 off = sizeof(micbuf);
3465 skb_trim (skb, len - off);
3468 memcpy(buffer + ETH_ALEN * 2,
3469 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3470 len - ETH_ALEN * 2 - off);
3471 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3473 dev_kfree_skb_irq (skb);
3477 memcpy(buffer, ai->rxfids[0].virtual_host_addr, len);
3480 if (ai->spy_data.spy_number > 0) {
3482 struct iw_quality wstats;
3483 /* Prepare spy data : addr + qual */
3484 sa = buffer + ETH_ALEN;
3485 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3488 /* Update spy records */
3489 wireless_spy_update(ai->dev, sa, &wstats);
3491 #endif /* WIRELESS_SPY */
3494 skb->ip_summed = CHECKSUM_NONE;
3495 skb->protocol = eth_type_trans(skb, ai->dev);
3496 skb->dev->last_rx = jiffies;
3500 if (rxd.valid == 0) {
3504 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3508 void mpi_receive_802_11 (struct airo_info *ai)
3511 struct sk_buff *skb = NULL;
3512 u16 fc, len, hdrlen = 0;
3524 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3526 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3527 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3529 /* Bad CRC. Ignore packet */
3530 if (le16_to_cpu(hdr.status) & 2)
3532 if (ai->wifidev == NULL)
3534 len = le16_to_cpu(hdr.len);
3536 printk( KERN_ERR "airo: Bad size %d\n", len );
3542 memcpy ((char *)&fc, ptr, sizeof(fc));
3543 fc = le16_to_cpu(fc);
3546 if ((fc & 0xe0) == 0xc0)
3552 if ((fc&0x300)==0x300){
3560 skb = dev_alloc_skb( len + hdrlen + 2 );
3562 ai->stats.rx_dropped++;
3565 buffer = (u16*)skb_put (skb, len + hdrlen);
3566 memcpy ((char *)buffer, ptr, hdrlen);
3570 memcpy ((char *)&gap, ptr, sizeof(gap));
3572 gap = le16_to_cpu(gap);
3578 "airo: gaplen too big. Problems will follow...\n");
3580 memcpy ((char *)buffer + hdrlen, ptr, len);
3582 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3583 if (ai->spy_data.spy_number > 0) {
3585 struct iw_quality wstats;
3586 /* Prepare spy data : addr + qual */
3587 sa = (char*)buffer + 10;
3588 wstats.qual = hdr.rssi[0];
3590 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3592 wstats.level = (hdr.rssi[1] + 321) / 2;
3593 wstats.noise = ai->wstats.qual.noise;
3594 wstats.updated = IW_QUAL_QUAL_UPDATED
3595 | IW_QUAL_LEVEL_UPDATED
3597 /* Update spy records */
3598 wireless_spy_update(ai->dev, sa, &wstats);
3600 #endif /* IW_WIRELESS_SPY */
3601 skb->mac.raw = skb->data;
3602 skb->pkt_type = PACKET_OTHERHOST;
3603 skb->dev = ai->wifidev;
3604 skb->protocol = htons(ETH_P_802_2);
3605 skb->dev->last_rx = jiffies;
3606 skb->ip_summed = CHECKSUM_NONE;
3609 if (rxd.valid == 0) {
3613 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3617 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3628 memset( &mySsid, 0, sizeof( mySsid ) );
3634 /* The NOP is the first step in getting the card going */
3636 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3637 if (lock && down_interruptible(&ai->sem))
3639 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3644 disable_MAC( ai, 0);
3646 // Let's figure out if we need to use the AUX port
3647 if (!test_bit(FLAG_MPI,&ai->flags)) {
3648 cmd.cmd = CMD_ENABLEAUX;
3649 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3652 printk(KERN_ERR "airo: Error checking for AUX port\n");
3655 if (!aux_bap || rsp.status & 0xff00) {
3656 ai->bap_read = fast_bap_read;
3657 printk(KERN_DEBUG "airo: Doing fast bap_reads\n");
3659 ai->bap_read = aux_bap_read;
3660 printk(KERN_DEBUG "airo: Doing AUX bap_reads\n");
3665 if (ai->config.len == 0) {
3666 tdsRssiRid rssi_rid;
3667 CapabilityRid cap_rid;
3677 // general configuration (read/modify/write)
3678 status = readConfigRid(ai, lock);
3679 if ( status != SUCCESS ) return ERROR;
3681 status = readCapabilityRid(ai, &cap_rid, lock);
3682 if ( status != SUCCESS ) return ERROR;
3684 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3685 if ( status == SUCCESS ) {
3686 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3687 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3694 if (cap_rid.softCap & 8)
3695 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3697 printk(KERN_WARNING "airo: unknown received signal level scale\n");
3699 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3700 ai->config.authType = AUTH_OPEN;
3701 ai->config.modulation = MOD_CCK;
3704 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3705 (micsetup(ai) == SUCCESS)) {
3706 ai->config.opmode |= MODE_MIC;
3707 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3711 /* Save off the MAC */
3712 for( i = 0; i < ETH_ALEN; i++ ) {
3713 mac[i] = ai->config.macAddr[i];
3716 /* Check to see if there are any insmod configured
3720 memset(ai->config.rates,0,sizeof(ai->config.rates));
3721 for( i = 0; i < 8 && rates[i]; i++ ) {
3722 ai->config.rates[i] = rates[i];
3725 if ( basic_rate > 0 ) {
3727 for( i = 0; i < 8; i++ ) {
3728 if ( ai->config.rates[i] == basic_rate ||
3729 !ai->config.rates ) {
3730 ai->config.rates[i] = basic_rate | 0x80;
3735 set_bit (FLAG_COMMIT, &ai->flags);
3738 /* Setup the SSIDs if present */
3741 for( i = 0; i < 3 && ssids[i]; i++ ) {
3742 mySsid.ssids[i].len = strlen(ssids[i]);
3743 if ( mySsid.ssids[i].len > 32 )
3744 mySsid.ssids[i].len = 32;
3745 memcpy(mySsid.ssids[i].ssid, ssids[i],
3746 mySsid.ssids[i].len);
3748 mySsid.len = sizeof(mySsid);
3751 status = writeConfigRid(ai, lock);
3752 if ( status != SUCCESS ) return ERROR;
3754 /* Set up the SSID list */
3756 status = writeSsidRid(ai, &mySsid, lock);
3757 if ( status != SUCCESS ) return ERROR;
3760 status = enable_MAC(ai, &rsp, lock);
3761 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3762 printk( KERN_ERR "airo: Bad MAC enable reason = %x, rid = %x, offset = %d\n", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3766 /* Grab the initial wep key, we gotta save it for auto_wep */
3767 rc = readWepKeyRid(ai, &wkr, 1, lock);
3768 if (rc == SUCCESS) do {
3769 lastindex = wkr.kindex;
3770 if (wkr.kindex == 0xffff) {
3771 ai->defindex = wkr.mac[0];
3773 rc = readWepKeyRid(ai, &wkr, 0, lock);
3774 } while(lastindex != wkr.kindex);
3777 ai->expires = RUN_AT(3*HZ);
3778 wake_up_interruptible(&ai->thr_wait);
3784 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3785 // Im really paranoid about letting it run forever!
3786 int max_tries = 600000;
3788 if (IN4500(ai, EVSTAT) & EV_CMD)
3789 OUT4500(ai, EVACK, EV_CMD);
3791 OUT4500(ai, PARAM0, pCmd->parm0);
3792 OUT4500(ai, PARAM1, pCmd->parm1);
3793 OUT4500(ai, PARAM2, pCmd->parm2);
3794 OUT4500(ai, COMMAND, pCmd->cmd);
3796 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3797 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3798 // PC4500 didn't notice command, try again
3799 OUT4500(ai, COMMAND, pCmd->cmd);
3800 if (!in_atomic() && (max_tries & 255) == 0)
3804 if ( max_tries == -1 ) {
3806 "airo: Max tries exceeded when issueing command\n" );
3807 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3808 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3812 // command completed
3813 pRsp->status = IN4500(ai, STATUS);
3814 pRsp->rsp0 = IN4500(ai, RESP0);
3815 pRsp->rsp1 = IN4500(ai, RESP1);
3816 pRsp->rsp2 = IN4500(ai, RESP2);
3817 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3818 printk (KERN_ERR "airo: cmd= %x\n", pCmd->cmd);
3819 printk (KERN_ERR "airo: status= %x\n", pRsp->status);
3820 printk (KERN_ERR "airo: Rsp0= %x\n", pRsp->rsp0);
3821 printk (KERN_ERR "airo: Rsp1= %x\n", pRsp->rsp1);
3822 printk (KERN_ERR "airo: Rsp2= %x\n", pRsp->rsp2);
3825 // clear stuck command busy if necessary
3826 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3827 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3829 // acknowledge processing the status/response
3830 OUT4500(ai, EVACK, EV_CMD);
3835 /* Sets up the bap to start exchange data. whichbap should
3836 * be one of the BAP0 or BAP1 defines. Locks should be held before
3838 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3843 OUT4500(ai, SELECT0+whichbap, rid);
3844 OUT4500(ai, OFFSET0+whichbap, offset);
3846 int status = IN4500(ai, OFFSET0+whichbap);
3847 if (status & BAP_BUSY) {
3848 /* This isn't really a timeout, but its kinda
3853 } else if ( status & BAP_ERR ) {
3854 /* invalid rid or offset */
3855 printk( KERN_ERR "airo: BAP error %x %d\n",
3858 } else if (status & BAP_DONE) { // success
3861 if ( !(max_tries--) ) {
3863 "airo: BAP setup error too many retries\n" );
3866 // -- PC4500 missed it, try again
3867 OUT4500(ai, SELECT0+whichbap, rid);
3868 OUT4500(ai, OFFSET0+whichbap, offset);
3873 /* should only be called by aux_bap_read. This aux function and the
3874 following use concepts not documented in the developers guide. I
3875 got them from a patch given to my by Aironet */
3876 static u16 aux_setup(struct airo_info *ai, u16 page,
3877 u16 offset, u16 *len)
3881 OUT4500(ai, AUXPAGE, page);
3882 OUT4500(ai, AUXOFF, 0);
3883 next = IN4500(ai, AUXDATA);
3884 *len = IN4500(ai, AUXDATA)&0xff;
3885 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3889 /* requires call to bap_setup() first */
3890 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
3891 int bytelen, int whichbap)
3899 unsigned long flags;
3901 spin_lock_irqsave(&ai->aux_lock, flags);
3902 page = IN4500(ai, SWS0+whichbap);
3903 offset = IN4500(ai, SWS2+whichbap);
3904 next = aux_setup(ai, page, offset, &len);
3905 words = (bytelen+1)>>1;
3907 for (i=0; i<words;) {
3909 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3911 insw( ai->dev->base_addr+DATA0+whichbap,
3914 insb( ai->dev->base_addr+DATA0+whichbap,
3915 pu16Dst+i, count << 1 );
3918 next = aux_setup(ai, next, 4, &len);
3921 spin_unlock_irqrestore(&ai->aux_lock, flags);
3926 /* requires call to bap_setup() first */
3927 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
3928 int bytelen, int whichbap)
3930 bytelen = (bytelen + 1) & (~1); // round up to even value
3932 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
3934 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
3938 /* requires call to bap_setup() first */
3939 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
3940 int bytelen, int whichbap)
3942 bytelen = (bytelen + 1) & (~1); // round up to even value
3944 outsw( ai->dev->base_addr+DATA0+whichbap,
3945 pu16Src, bytelen>>1 );
3947 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
3951 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
3953 Cmd cmd; /* for issuing commands */
3954 Resp rsp; /* response from commands */
3957 memset(&cmd, 0, sizeof(cmd));
3960 status = issuecommand(ai, &cmd, &rsp);
3961 if (status != 0) return status;
3962 if ( (rsp.status & 0x7F00) != 0) {
3963 return (accmd << 8) + (rsp.rsp0 & 0xFF);
3968 /* Note, that we are using BAP1 which is also used by transmit, so
3969 * we must get a lock. */
3970 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
3976 if (down_interruptible(&ai->sem))
3979 if (test_bit(FLAG_MPI,&ai->flags)) {
3983 memset(&cmd, 0, sizeof(cmd));
3984 memset(&rsp, 0, sizeof(rsp));
3985 ai->config_desc.rid_desc.valid = 1;
3986 ai->config_desc.rid_desc.len = RIDSIZE;
3987 ai->config_desc.rid_desc.rid = 0;
3988 ai->config_desc.rid_desc.host_addr = ai->ridbus;
3990 cmd.cmd = CMD_ACCESS;
3993 memcpy_toio(ai->config_desc.card_ram_off,
3994 &ai->config_desc.rid_desc, sizeof(Rid));
3996 rc = issuecommand(ai, &cmd, &rsp);
3998 if (rsp.status & 0x7f00)
4001 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4004 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4008 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4012 // read the rid length field
4013 bap_read(ai, pBuf, 2, BAP1);
4014 // length for remaining part of rid
4015 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4019 "airo: Rid %x has a length of %d which is too short\n",
4020 (int)rid, (int)len );
4024 // read remainder of the rid
4025 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4033 /* Note, that we are using BAP1 which is also used by transmit, so
4034 * make sure this isnt called when a transmit is happening */
4035 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4036 const void *pBuf, int len, int lock)
4041 *(u16*)pBuf = cpu_to_le16((u16)len);
4044 if (down_interruptible(&ai->sem))
4047 if (test_bit(FLAG_MPI,&ai->flags)) {
4051 if (test_bit(FLAG_ENABLED, &ai->flags))
4053 "%s: MAC should be disabled (rid=%04x)\n",
4055 memset(&cmd, 0, sizeof(cmd));
4056 memset(&rsp, 0, sizeof(rsp));
4058 ai->config_desc.rid_desc.valid = 1;
4059 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4060 ai->config_desc.rid_desc.rid = 0;
4062 cmd.cmd = CMD_WRITERID;
4065 memcpy_toio(ai->config_desc.card_ram_off,
4066 &ai->config_desc.rid_desc, sizeof(Rid));
4068 if (len < 4 || len > 2047) {
4069 printk(KERN_ERR "%s: len=%d\n",__FUNCTION__,len);
4072 memcpy((char *)ai->config_desc.virtual_host_addr,
4075 rc = issuecommand(ai, &cmd, &rsp);
4076 if ((rc & 0xff00) != 0) {
4077 printk(KERN_ERR "%s: Write rid Error %d\n",
4079 printk(KERN_ERR "%s: Cmd=%04x\n",
4080 __FUNCTION__,cmd.cmd);
4083 if ((rsp.status & 0x7f00))
4087 // --- first access so that we can write the rid data
4088 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4092 // --- now write the rid data
4093 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4097 bap_write(ai, pBuf, len, BAP1);
4098 // ---now commit the rid data
4099 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4107 /* Allocates a FID to be used for transmitting packets. We only use
4109 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4111 unsigned int loop = 3000;
4117 cmd.cmd = CMD_ALLOCATETX;
4118 cmd.parm0 = lenPayload;
4119 if (down_interruptible(&ai->sem))
4121 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4125 if ( (rsp.status & 0xFF00) != 0) {
4129 /* wait for the allocate event/indication
4130 * It makes me kind of nervous that this can just sit here and spin,
4131 * but in practice it only loops like four times. */
4132 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4138 // get the allocated fid and acknowledge
4139 txFid = IN4500(ai, TXALLOCFID);
4140 OUT4500(ai, EVACK, EV_ALLOC);
4142 /* The CARD is pretty cool since it converts the ethernet packet
4143 * into 802.11. Also note that we don't release the FID since we
4144 * will be using the same one over and over again. */
4145 /* We only have to setup the control once since we are not
4146 * releasing the fid. */
4148 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4149 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4151 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4152 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4153 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4156 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4164 /* In general BAP1 is dedicated to transmiting packets. However,
4165 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4166 Make sure the BAP1 spinlock is held when this is called. */
4167 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4178 if (len <= ETH_ALEN * 2) {
4179 printk( KERN_WARNING "Short packet %d\n", len );
4182 len -= ETH_ALEN * 2;
4185 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4186 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4187 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4189 miclen = sizeof(pMic);
4193 // packet is destination[6], source[6], payload[len-12]
4194 // write the payload length and dst/src/payload
4195 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4196 /* The hardware addresses aren't counted as part of the payload, so
4197 * we have to subtract the 12 bytes for the addresses off */
4198 payloadLen = cpu_to_le16(len + miclen);
4199 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4200 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4202 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4203 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4204 // issue the transmit command
4205 memset( &cmd, 0, sizeof( cmd ) );
4206 cmd.cmd = CMD_TRANSMIT;
4208 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4209 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4213 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4228 fc = le16_to_cpu(*(const u16*)pPacket);
4231 if ((fc & 0xe0) == 0xc0)
4237 if ((fc&0x300)==0x300){
4246 printk( KERN_WARNING "Short packet %d\n", len );
4250 /* packet is 802.11 header + payload
4251 * write the payload length and dst/src/payload */
4252 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4253 /* The 802.11 header aren't counted as part of the payload, so
4254 * we have to subtract the header bytes off */
4255 payloadLen = cpu_to_le16(len-hdrlen);
4256 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4257 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4258 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4259 bap_write(ai, hdrlen == 30 ?
4260 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4262 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4263 // issue the transmit command
4264 memset( &cmd, 0, sizeof( cmd ) );
4265 cmd.cmd = CMD_TRANSMIT;
4267 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4268 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4273 * This is the proc_fs routines. It is a bit messier than I would
4274 * like! Feel free to clean it up!
4277 static ssize_t proc_read( struct file *file,
4278 char __user *buffer,
4282 static ssize_t proc_write( struct file *file,
4283 const char __user *buffer,
4286 static int proc_close( struct inode *inode, struct file *file );
4288 static int proc_stats_open( struct inode *inode, struct file *file );
4289 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4290 static int proc_status_open( struct inode *inode, struct file *file );
4291 static int proc_SSID_open( struct inode *inode, struct file *file );
4292 static int proc_APList_open( struct inode *inode, struct file *file );
4293 static int proc_BSSList_open( struct inode *inode, struct file *file );
4294 static int proc_config_open( struct inode *inode, struct file *file );
4295 static int proc_wepkey_open( struct inode *inode, struct file *file );
4297 static struct file_operations proc_statsdelta_ops = {
4299 .open = proc_statsdelta_open,
4300 .release = proc_close
4303 static struct file_operations proc_stats_ops = {
4305 .open = proc_stats_open,
4306 .release = proc_close
4309 static struct file_operations proc_status_ops = {
4311 .open = proc_status_open,
4312 .release = proc_close
4315 static struct file_operations proc_SSID_ops = {
4317 .write = proc_write,
4318 .open = proc_SSID_open,
4319 .release = proc_close
4322 static struct file_operations proc_BSSList_ops = {
4324 .write = proc_write,
4325 .open = proc_BSSList_open,
4326 .release = proc_close
4329 static struct file_operations proc_APList_ops = {
4331 .write = proc_write,
4332 .open = proc_APList_open,
4333 .release = proc_close
4336 static struct file_operations proc_config_ops = {
4338 .write = proc_write,
4339 .open = proc_config_open,
4340 .release = proc_close
4343 static struct file_operations proc_wepkey_ops = {
4345 .write = proc_write,
4346 .open = proc_wepkey_open,
4347 .release = proc_close
4350 static struct proc_dir_entry *airo_entry;
4359 void (*on_close) (struct inode *, struct file *);
4363 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4366 static int setup_proc_entry( struct net_device *dev,
4367 struct airo_info *apriv ) {
4368 struct proc_dir_entry *entry;
4369 /* First setup the device directory */
4370 strcpy(apriv->proc_name,dev->name);
4371 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4374 apriv->proc_entry->uid = proc_uid;
4375 apriv->proc_entry->gid = proc_gid;
4376 apriv->proc_entry->owner = THIS_MODULE;
4378 /* Setup the StatsDelta */
4379 entry = create_proc_entry("StatsDelta",
4380 S_IFREG | (S_IRUGO&proc_perm),
4382 entry->uid = proc_uid;
4383 entry->gid = proc_gid;
4385 entry->owner = THIS_MODULE;
4386 SETPROC_OPS(entry, proc_statsdelta_ops);
4388 /* Setup the Stats */
4389 entry = create_proc_entry("Stats",
4390 S_IFREG | (S_IRUGO&proc_perm),
4392 entry->uid = proc_uid;
4393 entry->gid = proc_gid;
4395 entry->owner = THIS_MODULE;
4396 SETPROC_OPS(entry, proc_stats_ops);
4398 /* Setup the Status */
4399 entry = create_proc_entry("Status",
4400 S_IFREG | (S_IRUGO&proc_perm),
4402 entry->uid = proc_uid;
4403 entry->gid = proc_gid;
4405 entry->owner = THIS_MODULE;
4406 SETPROC_OPS(entry, proc_status_ops);
4408 /* Setup the Config */
4409 entry = create_proc_entry("Config",
4410 S_IFREG | proc_perm,
4412 entry->uid = proc_uid;
4413 entry->gid = proc_gid;
4415 entry->owner = THIS_MODULE;
4416 SETPROC_OPS(entry, proc_config_ops);
4418 /* Setup the SSID */
4419 entry = create_proc_entry("SSID",
4420 S_IFREG | proc_perm,
4422 entry->uid = proc_uid;
4423 entry->gid = proc_gid;
4425 entry->owner = THIS_MODULE;
4426 SETPROC_OPS(entry, proc_SSID_ops);
4428 /* Setup the APList */
4429 entry = create_proc_entry("APList",
4430 S_IFREG | proc_perm,
4432 entry->uid = proc_uid;
4433 entry->gid = proc_gid;
4435 entry->owner = THIS_MODULE;
4436 SETPROC_OPS(entry, proc_APList_ops);
4438 /* Setup the BSSList */
4439 entry = create_proc_entry("BSSList",
4440 S_IFREG | proc_perm,
4442 entry->uid = proc_uid;
4443 entry->gid = proc_gid;
4445 entry->owner = THIS_MODULE;
4446 SETPROC_OPS(entry, proc_BSSList_ops);
4448 /* Setup the WepKey */
4449 entry = create_proc_entry("WepKey",
4450 S_IFREG | proc_perm,
4452 entry->uid = proc_uid;
4453 entry->gid = proc_gid;
4455 entry->owner = THIS_MODULE;
4456 SETPROC_OPS(entry, proc_wepkey_ops);
4461 static int takedown_proc_entry( struct net_device *dev,
4462 struct airo_info *apriv ) {
4463 if ( !apriv->proc_entry->namelen ) return 0;
4464 remove_proc_entry("Stats",apriv->proc_entry);
4465 remove_proc_entry("StatsDelta",apriv->proc_entry);
4466 remove_proc_entry("Status",apriv->proc_entry);
4467 remove_proc_entry("Config",apriv->proc_entry);
4468 remove_proc_entry("SSID",apriv->proc_entry);
4469 remove_proc_entry("APList",apriv->proc_entry);
4470 remove_proc_entry("BSSList",apriv->proc_entry);
4471 remove_proc_entry("WepKey",apriv->proc_entry);
4472 remove_proc_entry(apriv->proc_name,airo_entry);
4477 * What we want from the proc_fs is to be able to efficiently read
4478 * and write the configuration. To do this, we want to read the
4479 * configuration when the file is opened and write it when the file is
4480 * closed. So basically we allocate a read buffer at open and fill it
4481 * with data, and allocate a write buffer and read it at close.
4485 * The read routine is generic, it relies on the preallocated rbuffer
4486 * to supply the data.
4488 static ssize_t proc_read( struct file *file,
4489 char __user *buffer,
4493 loff_t pos = *offset;
4494 struct proc_data *priv = (struct proc_data*)file->private_data;
4501 if (pos >= priv->readlen)
4503 if (len > priv->readlen - pos)
4504 len = priv->readlen - pos;
4505 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4507 *offset = pos + len;
4512 * The write routine is generic, it fills in a preallocated rbuffer
4513 * to supply the data.
4515 static ssize_t proc_write( struct file *file,
4516 const char __user *buffer,
4520 loff_t pos = *offset;
4521 struct proc_data *priv = (struct proc_data*)file->private_data;
4528 if (pos >= priv->maxwritelen)
4530 if (len > priv->maxwritelen - pos)
4531 len = priv->maxwritelen - pos;
4532 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4534 if ( pos + len > priv->writelen )
4535 priv->writelen = len + file->f_pos;
4536 *offset = pos + len;
4540 static int proc_status_open( struct inode *inode, struct file *file ) {
4541 struct proc_data *data;
4542 struct proc_dir_entry *dp = PDE(inode);
4543 struct net_device *dev = dp->data;
4544 struct airo_info *apriv = dev->priv;
4545 CapabilityRid cap_rid;
4546 StatusRid status_rid;
4549 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4551 memset(file->private_data, 0, sizeof(struct proc_data));
4552 data = (struct proc_data *)file->private_data;
4553 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4554 kfree (file->private_data);
4558 readStatusRid(apriv, &status_rid, 1);
4559 readCapabilityRid(apriv, &cap_rid, 1);
4561 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4562 status_rid.mode & 1 ? "CFG ": "",
4563 status_rid.mode & 2 ? "ACT ": "",
4564 status_rid.mode & 0x10 ? "SYN ": "",
4565 status_rid.mode & 0x20 ? "LNK ": "",
4566 status_rid.mode & 0x40 ? "LEAP ": "",
4567 status_rid.mode & 0x80 ? "PRIV ": "",
4568 status_rid.mode & 0x100 ? "KEY ": "",
4569 status_rid.mode & 0x200 ? "WEP ": "",
4570 status_rid.mode & 0x8000 ? "ERR ": "");
4571 sprintf( data->rbuffer+i, "Mode: %x\n"
4572 "Signal Strength: %d\n"
4573 "Signal Quality: %d\n"
4578 "Driver Version: %s\n"
4579 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4580 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4581 "Software Version: %x\nSoftware Subversion: %x\n"
4582 "Boot block version: %x\n",
4583 (int)status_rid.mode,
4584 (int)status_rid.normalizedSignalStrength,
4585 (int)status_rid.signalQuality,
4586 (int)status_rid.SSIDlen,
4589 (int)status_rid.channel,
4590 (int)status_rid.currentXmitRate/2,
4598 (int)cap_rid.softVer,
4599 (int)cap_rid.softSubVer,
4600 (int)cap_rid.bootBlockVer );
4601 data->readlen = strlen( data->rbuffer );
4605 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4606 static int proc_statsdelta_open( struct inode *inode,
4607 struct file *file ) {
4608 if (file->f_mode&FMODE_WRITE) {
4609 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4611 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4614 static int proc_stats_open( struct inode *inode, struct file *file ) {
4615 return proc_stats_rid_open(inode, file, RID_STATS);
4618 static int proc_stats_rid_open( struct inode *inode,
4621 struct proc_data *data;
4622 struct proc_dir_entry *dp = PDE(inode);
4623 struct net_device *dev = dp->data;
4624 struct airo_info *apriv = dev->priv;
4627 u32 *vals = stats.vals;
4629 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4631 memset(file->private_data, 0, sizeof(struct proc_data));
4632 data = (struct proc_data *)file->private_data;
4633 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4634 kfree (file->private_data);
4638 readStatsRid(apriv, &stats, rid, 1);
4641 for(i=0; statsLabels[i]!=(char *)-1 &&
4642 i*4<stats.len; i++){
4643 if (!statsLabels[i]) continue;
4644 if (j+strlen(statsLabels[i])+16>4096) {
4646 "airo: Potentially disasterous buffer overflow averted!\n");
4649 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4651 if (i*4>=stats.len){
4653 "airo: Got a short rid\n");
4659 static int get_dec_u16( char *buffer, int *start, int limit ) {
4662 for( value = 0; buffer[*start] >= '0' &&
4663 buffer[*start] <= '9' &&
4664 *start < limit; (*start)++ ) {
4667 value += buffer[*start] - '0';
4669 if ( !valid ) return -1;
4673 static int airo_config_commit(struct net_device *dev,
4674 struct iw_request_info *info, void *zwrq,
4677 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4678 struct proc_data *data = file->private_data;
4679 struct proc_dir_entry *dp = PDE(inode);
4680 struct net_device *dev = dp->data;
4681 struct airo_info *ai = dev->priv;
4684 if ( !data->writelen ) return;
4686 readConfigRid(ai, 1);
4687 set_bit (FLAG_COMMIT, &ai->flags);
4689 line = data->wbuffer;
4691 /*** Mode processing */
4692 if ( !strncmp( line, "Mode: ", 6 ) ) {
4694 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4695 set_bit (FLAG_RESET, &ai->flags);
4696 ai->config.rmode &= 0xfe00;
4697 clear_bit (FLAG_802_11, &ai->flags);
4698 ai->config.opmode &= 0xFF00;
4699 ai->config.scanMode = SCANMODE_ACTIVE;
4700 if ( line[0] == 'a' ) {
4701 ai->config.opmode |= 0;
4703 ai->config.opmode |= 1;
4704 if ( line[0] == 'r' ) {
4705 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4706 ai->config.scanMode = SCANMODE_PASSIVE;
4707 set_bit (FLAG_802_11, &ai->flags);
4708 } else if ( line[0] == 'y' ) {
4709 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4710 ai->config.scanMode = SCANMODE_PASSIVE;
4711 set_bit (FLAG_802_11, &ai->flags);
4712 } else if ( line[0] == 'l' )
4713 ai->config.rmode |= RXMODE_LANMON;
4715 set_bit (FLAG_COMMIT, &ai->flags);
4718 /*** Radio status */
4719 else if (!strncmp(line,"Radio: ", 7)) {
4721 if (!strncmp(line,"off",3)) {
4722 set_bit (FLAG_RADIO_OFF, &ai->flags);
4724 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4727 /*** NodeName processing */
4728 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4732 memset( ai->config.nodeName, 0, 16 );
4733 /* Do the name, assume a space between the mode and node name */
4734 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4735 ai->config.nodeName[j] = line[j];
4737 set_bit (FLAG_COMMIT, &ai->flags);
4740 /*** PowerMode processing */
4741 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4743 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4744 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4745 set_bit (FLAG_COMMIT, &ai->flags);
4746 } else if ( !strncmp( line, "PSP", 3 ) ) {
4747 ai->config.powerSaveMode = POWERSAVE_PSP;
4748 set_bit (FLAG_COMMIT, &ai->flags);
4750 ai->config.powerSaveMode = POWERSAVE_CAM;
4751 set_bit (FLAG_COMMIT, &ai->flags);
4753 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4754 int v, i = 0, k = 0; /* i is index into line,
4755 k is index to rates */
4758 while((v = get_dec_u16(line, &i, 3))!=-1) {
4759 ai->config.rates[k++] = (u8)v;
4763 set_bit (FLAG_COMMIT, &ai->flags);
4764 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4767 v = get_dec_u16(line, &i, i+3);
4769 ai->config.channelSet = (u16)v;
4770 set_bit (FLAG_COMMIT, &ai->flags);
4772 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4775 v = get_dec_u16(line, &i, i+3);
4777 ai->config.txPower = (u16)v;
4778 set_bit (FLAG_COMMIT, &ai->flags);
4780 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4784 ai->config.authType = (u16)AUTH_SHAREDKEY;
4787 ai->config.authType = (u16)AUTH_ENCRYPT;
4790 ai->config.authType = (u16)AUTH_OPEN;
4793 set_bit (FLAG_COMMIT, &ai->flags);
4794 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4798 v = get_dec_u16(line, &i, 3);
4799 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4800 ai->config.longRetryLimit = (u16)v;
4801 set_bit (FLAG_COMMIT, &ai->flags);
4802 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4806 v = get_dec_u16(line, &i, 3);
4807 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4808 ai->config.shortRetryLimit = (u16)v;
4809 set_bit (FLAG_COMMIT, &ai->flags);
4810 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4814 v = get_dec_u16(line, &i, 4);
4815 v = (v<0) ? 0 : ((v>2312) ? 2312 : v);
4816 ai->config.rtsThres = (u16)v;
4817 set_bit (FLAG_COMMIT, &ai->flags);
4818 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4822 v = get_dec_u16(line, &i, 5);
4824 ai->config.txLifetime = (u16)v;
4825 set_bit (FLAG_COMMIT, &ai->flags);
4826 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4830 v = get_dec_u16(line, &i, 5);
4832 ai->config.rxLifetime = (u16)v;
4833 set_bit (FLAG_COMMIT, &ai->flags);
4834 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4835 ai->config.txDiversity =
4836 (line[13]=='l') ? 1 :
4837 ((line[13]=='r')? 2: 3);
4838 set_bit (FLAG_COMMIT, &ai->flags);
4839 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4840 ai->config.rxDiversity =
4841 (line[13]=='l') ? 1 :
4842 ((line[13]=='r')? 2: 3);
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4848 v = get_dec_u16(line, &i, 4);
4849 v = (v<256) ? 256 : ((v>2312) ? 2312 : v);
4850 v = v & 0xfffe; /* Make sure its even */
4851 ai->config.fragThresh = (u16)v;
4852 set_bit (FLAG_COMMIT, &ai->flags);
4853 } else if (!strncmp(line, "Modulation: ", 12)) {
4856 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4857 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4858 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4860 printk( KERN_WARNING "airo: Unknown modulation\n" );
4862 } else if (!strncmp(line, "Preamble: ", 10)) {
4865 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4866 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4867 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4868 default: printk(KERN_WARNING "airo: Unknown preamble\n");
4871 printk( KERN_WARNING "Couldn't figure out %s\n", line );
4873 while( line[0] && line[0] != '\n' ) line++;
4874 if ( line[0] ) line++;
4876 airo_config_commit(dev, NULL, NULL, NULL);
4879 static char *get_rmode(u16 mode) {
4881 case RXMODE_RFMON: return "rfmon";
4882 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4883 case RXMODE_LANMON: return "lanmon";
4888 static int proc_config_open( struct inode *inode, struct file *file ) {
4889 struct proc_data *data;
4890 struct proc_dir_entry *dp = PDE(inode);
4891 struct net_device *dev = dp->data;
4892 struct airo_info *ai = dev->priv;
4895 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4897 memset(file->private_data, 0, sizeof(struct proc_data));
4898 data = (struct proc_data *)file->private_data;
4899 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4900 kfree (file->private_data);
4903 if ((data->wbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4904 kfree (data->rbuffer);
4905 kfree (file->private_data);
4908 memset( data->wbuffer, 0, 2048 );
4909 data->maxwritelen = 2048;
4910 data->on_close = proc_config_on_close;
4912 readConfigRid(ai, 1);
4914 i = sprintf( data->rbuffer,
4919 "DataRates: %d %d %d %d %d %d %d %d\n"
4922 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
4923 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
4924 (ai->config.opmode & 0xFF) == 2 ? "AP" :
4925 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
4926 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4927 ai->config.nodeName,
4928 ai->config.powerSaveMode == 0 ? "CAM" :
4929 ai->config.powerSaveMode == 1 ? "PSP" :
4930 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
4931 (int)ai->config.rates[0],
4932 (int)ai->config.rates[1],
4933 (int)ai->config.rates[2],
4934 (int)ai->config.rates[3],
4935 (int)ai->config.rates[4],
4936 (int)ai->config.rates[5],
4937 (int)ai->config.rates[6],
4938 (int)ai->config.rates[7],
4939 (int)ai->config.channelSet,
4940 (int)ai->config.txPower
4942 sprintf( data->rbuffer + i,
4943 "LongRetryLimit: %d\n"
4944 "ShortRetryLimit: %d\n"
4945 "RTSThreshold: %d\n"
4946 "TXMSDULifetime: %d\n"
4947 "RXMSDULifetime: %d\n"
4950 "FragThreshold: %d\n"
4954 (int)ai->config.longRetryLimit,
4955 (int)ai->config.shortRetryLimit,
4956 (int)ai->config.rtsThres,
4957 (int)ai->config.txLifetime,
4958 (int)ai->config.rxLifetime,
4959 ai->config.txDiversity == 1 ? "left" :
4960 ai->config.txDiversity == 2 ? "right" : "both",
4961 ai->config.rxDiversity == 1 ? "left" :
4962 ai->config.rxDiversity == 2 ? "right" : "both",
4963 (int)ai->config.fragThresh,
4964 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
4965 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
4966 ai->config.modulation == 0 ? "default" :
4967 ai->config.modulation == MOD_CCK ? "cck" :
4968 ai->config.modulation == MOD_MOK ? "mok" : "error",
4969 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
4970 ai->config.preamble == PREAMBLE_LONG ? "long" :
4971 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
4973 data->readlen = strlen( data->rbuffer );
4977 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
4978 struct proc_data *data = (struct proc_data *)file->private_data;
4979 struct proc_dir_entry *dp = PDE(inode);
4980 struct net_device *dev = dp->data;
4981 struct airo_info *ai = dev->priv;
4987 if ( !data->writelen ) return;
4989 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
4991 for( i = 0; i < 3; i++ ) {
4993 for( j = 0; j+offset < data->writelen && j < 32 &&
4994 data->wbuffer[offset+j] != '\n'; j++ ) {
4995 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
4997 if ( j == 0 ) break;
4998 SSID_rid.ssids[i].len = j;
5000 while( data->wbuffer[offset] != '\n' &&
5001 offset < data->writelen ) offset++;
5005 SSID_rid.len = sizeof(SSID_rid);
5007 writeSsidRid(ai, &SSID_rid, 1);
5008 enable_MAC(ai, &rsp, 1);
5011 static inline u8 hexVal(char c) {
5012 if (c>='0' && c<='9') return c -= '0';
5013 if (c>='a' && c<='f') return c -= 'a'-10;
5014 if (c>='A' && c<='F') return c -= 'A'-10;
5018 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5019 struct proc_data *data = (struct proc_data *)file->private_data;
5020 struct proc_dir_entry *dp = PDE(inode);
5021 struct net_device *dev = dp->data;
5022 struct airo_info *ai = dev->priv;
5023 APListRid APList_rid;
5027 if ( !data->writelen ) return;
5029 memset( &APList_rid, 0, sizeof(APList_rid) );
5030 APList_rid.len = sizeof(APList_rid);
5032 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5034 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5037 APList_rid.ap[i][j/3]=
5038 hexVal(data->wbuffer[j+i*6*3])<<4;
5041 APList_rid.ap[i][j/3]|=
5042 hexVal(data->wbuffer[j+i*6*3]);
5048 writeAPListRid(ai, &APList_rid, 1);
5049 enable_MAC(ai, &rsp, 1);
5052 /* This function wraps PC4500_writerid with a MAC disable */
5053 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5054 int len, int dummy ) {
5059 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5060 enable_MAC(ai, &rsp, 1);
5064 /* Returns the length of the key at the index. If index == 0xffff
5065 * the index of the transmit key is returned. If the key doesn't exist,
5066 * -1 will be returned.
5068 static int get_wep_key(struct airo_info *ai, u16 index) {
5073 rc = readWepKeyRid(ai, &wkr, 1, 1);
5074 if (rc == SUCCESS) do {
5075 lastindex = wkr.kindex;
5076 if (wkr.kindex == index) {
5077 if (index == 0xffff) {
5082 readWepKeyRid(ai, &wkr, 0, 1);
5083 } while(lastindex != wkr.kindex);
5087 static int set_wep_key(struct airo_info *ai, u16 index,
5088 const char *key, u16 keylen, int perm, int lock ) {
5089 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5093 memset(&wkr, 0, sizeof(wkr));
5095 // We are selecting which key to use
5096 wkr.len = sizeof(wkr);
5097 wkr.kindex = 0xffff;
5098 wkr.mac[0] = (char)index;
5099 if (perm) printk(KERN_INFO "Setting transmit key to %d\n", index);
5100 if (perm) ai->defindex = (char)index;
5102 // We are actually setting the key
5103 wkr.len = sizeof(wkr);
5106 memcpy( wkr.key, key, keylen );
5107 memcpy( wkr.mac, macaddr, ETH_ALEN );
5108 printk(KERN_INFO "Setting key %d\n", index);
5111 disable_MAC(ai, lock);
5112 writeWepKeyRid(ai, &wkr, perm, lock);
5113 enable_MAC(ai, &rsp, lock);
5117 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5118 struct proc_data *data;
5119 struct proc_dir_entry *dp = PDE(inode);
5120 struct net_device *dev = dp->data;
5121 struct airo_info *ai = dev->priv;
5127 memset(key, 0, sizeof(key));
5129 data = (struct proc_data *)file->private_data;
5130 if ( !data->writelen ) return;
5132 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5133 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5134 index = data->wbuffer[0] - '0';
5135 if (data->wbuffer[1] == '\n') {
5136 set_wep_key(ai, index, NULL, 0, 1, 1);
5141 printk(KERN_ERR "airo: WepKey passed invalid key index\n");
5145 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5148 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5151 key[i/3] |= hexVal(data->wbuffer[i+j]);
5155 set_wep_key(ai, index, key, i/3, 1, 1);
5158 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5159 struct proc_data *data;
5160 struct proc_dir_entry *dp = PDE(inode);
5161 struct net_device *dev = dp->data;
5162 struct airo_info *ai = dev->priv;
5169 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5171 memset(file->private_data, 0, sizeof(struct proc_data));
5172 memset(&wkr, 0, sizeof(wkr));
5173 data = (struct proc_data *)file->private_data;
5174 if ((data->rbuffer = kmalloc( 180, GFP_KERNEL )) == NULL) {
5175 kfree (file->private_data);
5178 memset(data->rbuffer, 0, 180);
5180 data->maxwritelen = 80;
5181 if ((data->wbuffer = kmalloc( 80, GFP_KERNEL )) == NULL) {
5182 kfree (data->rbuffer);
5183 kfree (file->private_data);
5186 memset( data->wbuffer, 0, 80 );
5187 data->on_close = proc_wepkey_on_close;
5189 ptr = data->rbuffer;
5190 strcpy(ptr, "No wep keys\n");
5191 rc = readWepKeyRid(ai, &wkr, 1, 1);
5192 if (rc == SUCCESS) do {
5193 lastindex = wkr.kindex;
5194 if (wkr.kindex == 0xffff) {
5195 j += sprintf(ptr+j, "Tx key = %d\n",
5198 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5199 (int)wkr.kindex, (int)wkr.klen);
5201 readWepKeyRid(ai, &wkr, 0, 1);
5202 } while((lastindex != wkr.kindex) && (j < 180-30));
5204 data->readlen = strlen( data->rbuffer );
5208 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5209 struct proc_data *data;
5210 struct proc_dir_entry *dp = PDE(inode);
5211 struct net_device *dev = dp->data;
5212 struct airo_info *ai = dev->priv;
5217 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5219 memset(file->private_data, 0, sizeof(struct proc_data));
5220 data = (struct proc_data *)file->private_data;
5221 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5222 kfree (file->private_data);
5226 data->maxwritelen = 33*3;
5227 if ((data->wbuffer = kmalloc( 33*3, GFP_KERNEL )) == NULL) {
5228 kfree (data->rbuffer);
5229 kfree (file->private_data);
5232 memset( data->wbuffer, 0, 33*3 );
5233 data->on_close = proc_SSID_on_close;
5235 readSsidRid(ai, &SSID_rid);
5236 ptr = data->rbuffer;
5237 for( i = 0; i < 3; i++ ) {
5239 if ( !SSID_rid.ssids[i].len ) break;
5240 for( j = 0; j < 32 &&
5241 j < SSID_rid.ssids[i].len &&
5242 SSID_rid.ssids[i].ssid[j]; j++ ) {
5243 *ptr++ = SSID_rid.ssids[i].ssid[j];
5248 data->readlen = strlen( data->rbuffer );
5252 static int proc_APList_open( struct inode *inode, struct file *file ) {
5253 struct proc_data *data;
5254 struct proc_dir_entry *dp = PDE(inode);
5255 struct net_device *dev = dp->data;
5256 struct airo_info *ai = dev->priv;
5259 APListRid APList_rid;
5261 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5263 memset(file->private_data, 0, sizeof(struct proc_data));
5264 data = (struct proc_data *)file->private_data;
5265 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5266 kfree (file->private_data);
5270 data->maxwritelen = 4*6*3;
5271 if ((data->wbuffer = kmalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5272 kfree (data->rbuffer);
5273 kfree (file->private_data);
5276 memset( data->wbuffer, 0, data->maxwritelen );
5277 data->on_close = proc_APList_on_close;
5279 readAPListRid(ai, &APList_rid);
5280 ptr = data->rbuffer;
5281 for( i = 0; i < 4; i++ ) {
5282 // We end when we find a zero MAC
5283 if ( !*(int*)APList_rid.ap[i] &&
5284 !*(int*)&APList_rid.ap[i][2]) break;
5285 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5286 (int)APList_rid.ap[i][0],
5287 (int)APList_rid.ap[i][1],
5288 (int)APList_rid.ap[i][2],
5289 (int)APList_rid.ap[i][3],
5290 (int)APList_rid.ap[i][4],
5291 (int)APList_rid.ap[i][5]);
5293 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5296 data->readlen = strlen( data->rbuffer );
5300 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5301 struct proc_data *data;
5302 struct proc_dir_entry *dp = PDE(inode);
5303 struct net_device *dev = dp->data;
5304 struct airo_info *ai = dev->priv;
5306 BSSListRid BSSList_rid;
5308 /* If doLoseSync is not 1, we won't do a Lose Sync */
5309 int doLoseSync = -1;
5311 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5313 memset(file->private_data, 0, sizeof(struct proc_data));
5314 data = (struct proc_data *)file->private_data;
5315 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5316 kfree (file->private_data);
5320 data->maxwritelen = 0;
5321 data->wbuffer = NULL;
5322 data->on_close = NULL;
5324 if (file->f_mode & FMODE_WRITE) {
5325 if (!(file->f_mode & FMODE_READ)) {
5329 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5330 memset(&cmd, 0, sizeof(cmd));
5331 cmd.cmd=CMD_LISTBSS;
5332 if (down_interruptible(&ai->sem))
5333 return -ERESTARTSYS;
5334 issuecommand(ai, &cmd, &rsp);
5341 ptr = data->rbuffer;
5342 /* There is a race condition here if there are concurrent opens.
5343 Since it is a rare condition, we'll just live with it, otherwise
5344 we have to add a spin lock... */
5345 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5346 while(rc == 0 && BSSList_rid.index != 0xffff) {
5347 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5348 (int)BSSList_rid.bssid[0],
5349 (int)BSSList_rid.bssid[1],
5350 (int)BSSList_rid.bssid[2],
5351 (int)BSSList_rid.bssid[3],
5352 (int)BSSList_rid.bssid[4],
5353 (int)BSSList_rid.bssid[5],
5354 (int)BSSList_rid.ssidLen,
5356 (int)BSSList_rid.dBm);
5357 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5358 (int)BSSList_rid.dsChannel,
5359 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5360 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5361 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5362 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5363 rc = readBSSListRid(ai, 0, &BSSList_rid);
5366 data->readlen = strlen( data->rbuffer );
5370 static int proc_close( struct inode *inode, struct file *file )
5372 struct proc_data *data = (struct proc_data *)file->private_data;
5373 if ( data->on_close != NULL ) data->on_close( inode, file );
5374 if ( data->rbuffer ) kfree( data->rbuffer );
5375 if ( data->wbuffer ) kfree( data->wbuffer );
5380 static struct net_device_list {
5381 struct net_device *dev;
5382 struct net_device_list *next;
5385 /* Since the card doesn't automatically switch to the right WEP mode,
5386 we will make it do it. If the card isn't associated, every secs we
5387 will switch WEP modes to see if that will help. If the card is
5388 associated we will check every minute to see if anything has
5390 static void timer_func( struct net_device *dev ) {
5391 struct airo_info *apriv = dev->priv;
5394 /* We don't have a link so try changing the authtype */
5395 readConfigRid(apriv, 0);
5396 disable_MAC(apriv, 0);
5397 switch(apriv->config.authType) {
5399 /* So drop to OPEN */
5400 apriv->config.authType = AUTH_OPEN;
5402 case AUTH_SHAREDKEY:
5403 if (apriv->keyindex < auto_wep) {
5404 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5405 apriv->config.authType = AUTH_SHAREDKEY;
5408 /* Drop to ENCRYPT */
5409 apriv->keyindex = 0;
5410 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5411 apriv->config.authType = AUTH_ENCRYPT;
5414 default: /* We'll escalate to SHAREDKEY */
5415 apriv->config.authType = AUTH_SHAREDKEY;
5417 set_bit (FLAG_COMMIT, &apriv->flags);
5418 writeConfigRid(apriv, 0);
5419 enable_MAC(apriv, &rsp, 0);
5422 /* Schedule check to see if the change worked */
5423 clear_bit(JOB_AUTOWEP, &apriv->flags);
5424 apriv->expires = RUN_AT(HZ*3);
5427 static int add_airo_dev( struct net_device *dev ) {
5428 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5433 node->next = airo_devices;
5434 airo_devices = node;
5439 static void del_airo_dev( struct net_device *dev ) {
5440 struct net_device_list **p = &airo_devices;
5441 while( *p && ( (*p)->dev != dev ) )
5443 if ( *p && (*p)->dev == dev )
5448 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5449 const struct pci_device_id *pent)
5451 struct net_device *dev;
5453 if (pci_enable_device(pdev))
5455 pci_set_master(pdev);
5457 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5458 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5460 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5464 pci_set_drvdata(pdev, dev);
5468 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5472 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5474 struct net_device *dev = pci_get_drvdata(pdev);
5475 struct airo_info *ai = dev->priv;
5479 if ((ai->APList == NULL) &&
5480 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5482 if ((ai->SSID == NULL) &&
5483 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5485 readAPListRid(ai, ai->APList);
5486 readSsidRid(ai, ai->SSID);
5487 memset(&cmd, 0, sizeof(cmd));
5488 /* the lock will be released at the end of the resume callback */
5489 if (down_interruptible(&ai->sem))
5492 netif_device_detach(dev);
5495 issuecommand(ai, &cmd, &rsp);
5497 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5498 pci_save_state(pdev);
5499 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5502 static int airo_pci_resume(struct pci_dev *pdev)
5504 struct net_device *dev = pci_get_drvdata(pdev);
5505 struct airo_info *ai = dev->priv;
5508 pci_set_power_state(pdev, 0);
5509 pci_restore_state(pdev);
5510 pci_enable_wake(pdev, pci_choose_state(pdev, ai->power), 0);
5512 if (ai->power.event > 1) {
5514 mpi_init_descriptors(ai);
5515 setup_card(ai, dev->dev_addr, 0);
5516 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5517 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5519 OUT4500(ai, EVACK, EV_AWAKEN);
5520 OUT4500(ai, EVACK, EV_AWAKEN);
5524 set_bit (FLAG_COMMIT, &ai->flags);
5528 writeSsidRid(ai, ai->SSID, 0);
5533 writeAPListRid(ai, ai->APList, 0);
5537 writeConfigRid(ai, 0);
5538 enable_MAC(ai, &rsp, 0);
5539 ai->power = PMSG_ON;
5540 netif_device_attach(dev);
5541 netif_wake_queue(dev);
5542 enable_interrupts(ai);
5548 static int __init airo_init_module( void )
5550 int i, have_isa_dev = 0;
5552 airo_entry = create_proc_entry("aironet",
5553 S_IFDIR | airo_perm,
5555 airo_entry->uid = proc_uid;
5556 airo_entry->gid = proc_gid;
5558 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5560 "airo: Trying to configure ISA adapter at irq=%d io=0x%x\n",
5562 if (init_airo_card( irq[i], io[i], 0, NULL ))
5567 printk( KERN_INFO "airo: Probing for PCI adapters\n" );
5568 pci_register_driver(&airo_driver);
5569 printk( KERN_INFO "airo: Finished probing for PCI adapters\n" );
5572 /* Always exit with success, as we are a library module
5573 * as well as a driver module
5578 static void __exit airo_cleanup_module( void )
5580 while( airo_devices ) {
5581 printk( KERN_INFO "airo: Unregistering %s\n", airo_devices->dev->name );
5582 stop_airo_card( airo_devices->dev, 1 );
5585 pci_unregister_driver(&airo_driver);
5587 remove_proc_entry("aironet", proc_root_driver);
5591 * Initial Wireless Extension code for Aironet driver by :
5592 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5593 * Conversion to new driver API by :
5594 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5595 * Javier also did a good amount of work here, adding some new extensions
5596 * and fixing my code. Let's just say that without him this code just
5597 * would not work at all... - Jean II
5600 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5605 return (0x100 - rssi_rid[rssi].rssidBm);
5608 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5615 for( i = 0; i < 256; i++ )
5616 if (rssi_rid[i].rssidBm == dbm)
5617 return rssi_rid[i].rssipct;
5623 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5627 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5628 if (memcmp(cap_rid->prodName, "350", 3))
5629 if (status_rid->signalQuality > 0x20)
5632 quality = 0x20 - status_rid->signalQuality;
5634 if (status_rid->signalQuality > 0xb0)
5636 else if (status_rid->signalQuality < 0x10)
5639 quality = 0xb0 - status_rid->signalQuality;
5644 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5645 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5647 /*------------------------------------------------------------------*/
5649 * Wireless Handler : get protocol name
5651 static int airo_get_name(struct net_device *dev,
5652 struct iw_request_info *info,
5656 strcpy(cwrq, "IEEE 802.11-DS");
5660 /*------------------------------------------------------------------*/
5662 * Wireless Handler : set frequency
5664 static int airo_set_freq(struct net_device *dev,
5665 struct iw_request_info *info,
5666 struct iw_freq *fwrq,
5669 struct airo_info *local = dev->priv;
5670 int rc = -EINPROGRESS; /* Call commit handler */
5672 /* If setting by frequency, convert to a channel */
5673 if((fwrq->e == 1) &&
5674 (fwrq->m >= (int) 2.412e8) &&
5675 (fwrq->m <= (int) 2.487e8)) {
5676 int f = fwrq->m / 100000;
5678 while((c < 14) && (f != frequency_list[c]))
5680 /* Hack to fall through... */
5684 /* Setting by channel number */
5685 if((fwrq->m > 1000) || (fwrq->e > 0))
5688 int channel = fwrq->m;
5689 /* We should do a better check than that,
5690 * based on the card capability !!! */
5691 if((channel < 1) || (channel > 16)) {
5692 printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
5695 readConfigRid(local, 1);
5696 /* Yes ! We can set it !!! */
5697 local->config.channelSet = (u16)(channel - 1);
5698 set_bit (FLAG_COMMIT, &local->flags);
5704 /*------------------------------------------------------------------*/
5706 * Wireless Handler : get frequency
5708 static int airo_get_freq(struct net_device *dev,
5709 struct iw_request_info *info,
5710 struct iw_freq *fwrq,
5713 struct airo_info *local = dev->priv;
5714 StatusRid status_rid; /* Card status info */
5716 readConfigRid(local, 1);
5717 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5718 status_rid.channel = local->config.channelSet;
5720 readStatusRid(local, &status_rid, 1);
5722 #ifdef WEXT_USECHANNELS
5723 fwrq->m = ((int)status_rid.channel) + 1;
5727 int f = (int)status_rid.channel;
5728 fwrq->m = frequency_list[f] * 100000;
5736 /*------------------------------------------------------------------*/
5738 * Wireless Handler : set ESSID
5740 static int airo_set_essid(struct net_device *dev,
5741 struct iw_request_info *info,
5742 struct iw_point *dwrq,
5745 struct airo_info *local = dev->priv;
5747 SsidRid SSID_rid; /* SSIDs */
5749 /* Reload the list of current SSID */
5750 readSsidRid(local, &SSID_rid);
5752 /* Check if we asked for `any' */
5753 if(dwrq->flags == 0) {
5754 /* Just send an empty SSID list */
5755 memset(&SSID_rid, 0, sizeof(SSID_rid));
5757 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5759 /* Check the size of the string */
5760 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5763 /* Check if index is valid */
5764 if((index < 0) || (index >= 4)) {
5769 memset(SSID_rid.ssids[index].ssid, 0,
5770 sizeof(SSID_rid.ssids[index].ssid));
5771 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5772 SSID_rid.ssids[index].len = dwrq->length - 1;
5774 SSID_rid.len = sizeof(SSID_rid);
5775 /* Write it to the card */
5776 disable_MAC(local, 1);
5777 writeSsidRid(local, &SSID_rid, 1);
5778 enable_MAC(local, &rsp, 1);
5783 /*------------------------------------------------------------------*/
5785 * Wireless Handler : get ESSID
5787 static int airo_get_essid(struct net_device *dev,
5788 struct iw_request_info *info,
5789 struct iw_point *dwrq,
5792 struct airo_info *local = dev->priv;
5793 StatusRid status_rid; /* Card status info */
5795 readStatusRid(local, &status_rid, 1);
5797 /* Note : if dwrq->flags != 0, we should
5798 * get the relevant SSID from the SSID list... */
5800 /* Get the current SSID */
5801 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5802 extra[status_rid.SSIDlen] = '\0';
5803 /* If none, we may want to get the one that was set */
5806 dwrq->length = status_rid.SSIDlen + 1;
5807 dwrq->flags = 1; /* active */
5812 /*------------------------------------------------------------------*/
5814 * Wireless Handler : set AP address
5816 static int airo_set_wap(struct net_device *dev,
5817 struct iw_request_info *info,
5818 struct sockaddr *awrq,
5821 struct airo_info *local = dev->priv;
5824 APListRid APList_rid;
5825 static const unsigned char bcast[ETH_ALEN] = { 255, 255, 255, 255, 255, 255 };
5827 if (awrq->sa_family != ARPHRD_ETHER)
5829 else if (!memcmp(bcast, awrq->sa_data, ETH_ALEN)) {
5830 memset(&cmd, 0, sizeof(cmd));
5831 cmd.cmd=CMD_LOSE_SYNC;
5832 if (down_interruptible(&local->sem))
5833 return -ERESTARTSYS;
5834 issuecommand(local, &cmd, &rsp);
5837 memset(&APList_rid, 0, sizeof(APList_rid));
5838 APList_rid.len = sizeof(APList_rid);
5839 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5840 disable_MAC(local, 1);
5841 writeAPListRid(local, &APList_rid, 1);
5842 enable_MAC(local, &rsp, 1);
5847 /*------------------------------------------------------------------*/
5849 * Wireless Handler : get AP address
5851 static int airo_get_wap(struct net_device *dev,
5852 struct iw_request_info *info,
5853 struct sockaddr *awrq,
5856 struct airo_info *local = dev->priv;
5857 StatusRid status_rid; /* Card status info */
5859 readStatusRid(local, &status_rid, 1);
5861 /* Tentative. This seems to work, wow, I'm lucky !!! */
5862 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5863 awrq->sa_family = ARPHRD_ETHER;
5868 /*------------------------------------------------------------------*/
5870 * Wireless Handler : set Nickname
5872 static int airo_set_nick(struct net_device *dev,
5873 struct iw_request_info *info,
5874 struct iw_point *dwrq,
5877 struct airo_info *local = dev->priv;
5879 /* Check the size of the string */
5880 if(dwrq->length > 16 + 1) {
5883 readConfigRid(local, 1);
5884 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5885 memcpy(local->config.nodeName, extra, dwrq->length);
5886 set_bit (FLAG_COMMIT, &local->flags);
5888 return -EINPROGRESS; /* Call commit handler */
5891 /*------------------------------------------------------------------*/
5893 * Wireless Handler : get Nickname
5895 static int airo_get_nick(struct net_device *dev,
5896 struct iw_request_info *info,
5897 struct iw_point *dwrq,
5900 struct airo_info *local = dev->priv;
5902 readConfigRid(local, 1);
5903 strncpy(extra, local->config.nodeName, 16);
5905 dwrq->length = strlen(extra) + 1;
5910 /*------------------------------------------------------------------*/
5912 * Wireless Handler : set Bit-Rate
5914 static int airo_set_rate(struct net_device *dev,
5915 struct iw_request_info *info,
5916 struct iw_param *vwrq,
5919 struct airo_info *local = dev->priv;
5920 CapabilityRid cap_rid; /* Card capability info */
5924 /* First : get a valid bit rate value */
5925 readCapabilityRid(local, &cap_rid, 1);
5927 /* Which type of value ? */
5928 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5929 /* Setting by rate index */
5930 /* Find value in the magic rate table */
5931 brate = cap_rid.supportedRates[vwrq->value];
5933 /* Setting by frequency value */
5934 u8 normvalue = (u8) (vwrq->value/500000);
5936 /* Check if rate is valid */
5937 for(i = 0 ; i < 8 ; i++) {
5938 if(normvalue == cap_rid.supportedRates[i]) {
5944 /* -1 designed the max rate (mostly auto mode) */
5945 if(vwrq->value == -1) {
5946 /* Get the highest available rate */
5947 for(i = 0 ; i < 8 ; i++) {
5948 if(cap_rid.supportedRates[i] == 0)
5952 brate = cap_rid.supportedRates[i - 1];
5954 /* Check that it is valid */
5959 readConfigRid(local, 1);
5960 /* Now, check if we want a fixed or auto value */
5961 if(vwrq->fixed == 0) {
5962 /* Fill all the rates up to this max rate */
5963 memset(local->config.rates, 0, 8);
5964 for(i = 0 ; i < 8 ; i++) {
5965 local->config.rates[i] = cap_rid.supportedRates[i];
5966 if(local->config.rates[i] == brate)
5971 /* One rate, fixed */
5972 memset(local->config.rates, 0, 8);
5973 local->config.rates[0] = brate;
5975 set_bit (FLAG_COMMIT, &local->flags);
5977 return -EINPROGRESS; /* Call commit handler */
5980 /*------------------------------------------------------------------*/
5982 * Wireless Handler : get Bit-Rate
5984 static int airo_get_rate(struct net_device *dev,
5985 struct iw_request_info *info,
5986 struct iw_param *vwrq,
5989 struct airo_info *local = dev->priv;
5990 StatusRid status_rid; /* Card status info */
5992 readStatusRid(local, &status_rid, 1);
5994 vwrq->value = status_rid.currentXmitRate * 500000;
5995 /* If more than one rate, set auto */
5996 readConfigRid(local, 1);
5997 vwrq->fixed = (local->config.rates[1] == 0);
6002 /*------------------------------------------------------------------*/
6004 * Wireless Handler : set RTS threshold
6006 static int airo_set_rts(struct net_device *dev,
6007 struct iw_request_info *info,
6008 struct iw_param *vwrq,
6011 struct airo_info *local = dev->priv;
6012 int rthr = vwrq->value;
6016 if((rthr < 0) || (rthr > 2312)) {
6019 readConfigRid(local, 1);
6020 local->config.rtsThres = rthr;
6021 set_bit (FLAG_COMMIT, &local->flags);
6023 return -EINPROGRESS; /* Call commit handler */
6026 /*------------------------------------------------------------------*/
6028 * Wireless Handler : get RTS threshold
6030 static int airo_get_rts(struct net_device *dev,
6031 struct iw_request_info *info,
6032 struct iw_param *vwrq,
6035 struct airo_info *local = dev->priv;
6037 readConfigRid(local, 1);
6038 vwrq->value = local->config.rtsThres;
6039 vwrq->disabled = (vwrq->value >= 2312);
6045 /*------------------------------------------------------------------*/
6047 * Wireless Handler : set Fragmentation threshold
6049 static int airo_set_frag(struct net_device *dev,
6050 struct iw_request_info *info,
6051 struct iw_param *vwrq,
6054 struct airo_info *local = dev->priv;
6055 int fthr = vwrq->value;
6059 if((fthr < 256) || (fthr > 2312)) {
6062 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6063 readConfigRid(local, 1);
6064 local->config.fragThresh = (u16)fthr;
6065 set_bit (FLAG_COMMIT, &local->flags);
6067 return -EINPROGRESS; /* Call commit handler */
6070 /*------------------------------------------------------------------*/
6072 * Wireless Handler : get Fragmentation threshold
6074 static int airo_get_frag(struct net_device *dev,
6075 struct iw_request_info *info,
6076 struct iw_param *vwrq,
6079 struct airo_info *local = dev->priv;
6081 readConfigRid(local, 1);
6082 vwrq->value = local->config.fragThresh;
6083 vwrq->disabled = (vwrq->value >= 2312);
6089 /*------------------------------------------------------------------*/
6091 * Wireless Handler : set Mode of Operation
6093 static int airo_set_mode(struct net_device *dev,
6094 struct iw_request_info *info,
6098 struct airo_info *local = dev->priv;
6101 readConfigRid(local, 1);
6102 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6107 local->config.opmode &= 0xFF00;
6108 local->config.opmode |= MODE_STA_IBSS;
6109 local->config.rmode &= 0xfe00;
6110 local->config.scanMode = SCANMODE_ACTIVE;
6111 clear_bit (FLAG_802_11, &local->flags);
6114 local->config.opmode &= 0xFF00;
6115 local->config.opmode |= MODE_STA_ESS;
6116 local->config.rmode &= 0xfe00;
6117 local->config.scanMode = SCANMODE_ACTIVE;
6118 clear_bit (FLAG_802_11, &local->flags);
6120 case IW_MODE_MASTER:
6121 local->config.opmode &= 0xFF00;
6122 local->config.opmode |= MODE_AP;
6123 local->config.rmode &= 0xfe00;
6124 local->config.scanMode = SCANMODE_ACTIVE;
6125 clear_bit (FLAG_802_11, &local->flags);
6127 case IW_MODE_REPEAT:
6128 local->config.opmode &= 0xFF00;
6129 local->config.opmode |= MODE_AP_RPTR;
6130 local->config.rmode &= 0xfe00;
6131 local->config.scanMode = SCANMODE_ACTIVE;
6132 clear_bit (FLAG_802_11, &local->flags);
6134 case IW_MODE_MONITOR:
6135 local->config.opmode &= 0xFF00;
6136 local->config.opmode |= MODE_STA_ESS;
6137 local->config.rmode &= 0xfe00;
6138 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6139 local->config.scanMode = SCANMODE_PASSIVE;
6140 set_bit (FLAG_802_11, &local->flags);
6146 set_bit (FLAG_RESET, &local->flags);
6147 set_bit (FLAG_COMMIT, &local->flags);
6149 return -EINPROGRESS; /* Call commit handler */
6152 /*------------------------------------------------------------------*/
6154 * Wireless Handler : get Mode of Operation
6156 static int airo_get_mode(struct net_device *dev,
6157 struct iw_request_info *info,
6161 struct airo_info *local = dev->priv;
6163 readConfigRid(local, 1);
6164 /* If not managed, assume it's ad-hoc */
6165 switch (local->config.opmode & 0xFF) {
6167 *uwrq = IW_MODE_INFRA;
6170 *uwrq = IW_MODE_MASTER;
6173 *uwrq = IW_MODE_REPEAT;
6176 *uwrq = IW_MODE_ADHOC;
6182 /*------------------------------------------------------------------*/
6184 * Wireless Handler : set Encryption Key
6186 static int airo_set_encode(struct net_device *dev,
6187 struct iw_request_info *info,
6188 struct iw_point *dwrq,
6191 struct airo_info *local = dev->priv;
6192 CapabilityRid cap_rid; /* Card capability info */
6194 /* Is WEP supported ? */
6195 readCapabilityRid(local, &cap_rid, 1);
6196 /* Older firmware doesn't support this...
6197 if(!(cap_rid.softCap & 2)) {
6200 readConfigRid(local, 1);
6202 /* Basic checking: do we have a key to set ?
6203 * Note : with the new API, it's impossible to get a NULL pointer.
6204 * Therefore, we need to check a key size == 0 instead.
6205 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6206 * when no key is present (only change flags), but older versions
6207 * don't do it. - Jean II */
6208 if (dwrq->length > 0) {
6210 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6211 int current_index = get_wep_key(local, 0xffff);
6212 /* Check the size of the key */
6213 if (dwrq->length > MAX_KEY_SIZE) {
6216 /* Check the index (none -> use current) */
6217 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6218 index = current_index;
6219 /* Set the length */
6220 if (dwrq->length > MIN_KEY_SIZE)
6221 key.len = MAX_KEY_SIZE;
6223 if (dwrq->length > 0)
6224 key.len = MIN_KEY_SIZE;
6226 /* Disable the key */
6228 /* Check if the key is not marked as invalid */
6229 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6231 memset(key.key, 0, MAX_KEY_SIZE);
6232 /* Copy the key in the driver */
6233 memcpy(key.key, extra, dwrq->length);
6234 /* Send the key to the card */
6235 set_wep_key(local, index, key.key, key.len, 1, 1);
6237 /* WE specify that if a valid key is set, encryption
6238 * should be enabled (user may turn it off later)
6239 * This is also how "iwconfig ethX key on" works */
6240 if((index == current_index) && (key.len > 0) &&
6241 (local->config.authType == AUTH_OPEN)) {
6242 local->config.authType = AUTH_ENCRYPT;
6243 set_bit (FLAG_COMMIT, &local->flags);
6246 /* Do we want to just set the transmit key index ? */
6247 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6248 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6249 set_wep_key(local, index, NULL, 0, 1, 1);
6251 /* Don't complain if only change the mode */
6252 if(!dwrq->flags & IW_ENCODE_MODE) {
6256 /* Read the flags */
6257 if(dwrq->flags & IW_ENCODE_DISABLED)
6258 local->config.authType = AUTH_OPEN; // disable encryption
6259 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6260 local->config.authType = AUTH_SHAREDKEY; // Only Both
6261 if(dwrq->flags & IW_ENCODE_OPEN)
6262 local->config.authType = AUTH_ENCRYPT; // Only Wep
6263 /* Commit the changes to flags if needed */
6264 if(dwrq->flags & IW_ENCODE_MODE)
6265 set_bit (FLAG_COMMIT, &local->flags);
6266 return -EINPROGRESS; /* Call commit handler */
6269 /*------------------------------------------------------------------*/
6271 * Wireless Handler : get Encryption Key
6273 static int airo_get_encode(struct net_device *dev,
6274 struct iw_request_info *info,
6275 struct iw_point *dwrq,
6278 struct airo_info *local = dev->priv;
6279 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6280 CapabilityRid cap_rid; /* Card capability info */
6282 /* Is it supported ? */
6283 readCapabilityRid(local, &cap_rid, 1);
6284 if(!(cap_rid.softCap & 2)) {
6287 readConfigRid(local, 1);
6288 /* Check encryption mode */
6289 switch(local->config.authType) {
6291 dwrq->flags = IW_ENCODE_OPEN;
6293 case AUTH_SHAREDKEY:
6294 dwrq->flags = IW_ENCODE_RESTRICTED;
6298 dwrq->flags = IW_ENCODE_DISABLED;
6301 /* We can't return the key, so set the proper flag and return zero */
6302 dwrq->flags |= IW_ENCODE_NOKEY;
6303 memset(extra, 0, 16);
6305 /* Which key do we want ? -1 -> tx index */
6306 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6307 index = get_wep_key(local, 0xffff);
6308 dwrq->flags |= index + 1;
6309 /* Copy the key to the user buffer */
6310 dwrq->length = get_wep_key(local, index);
6311 if (dwrq->length > 16) {
6317 /*------------------------------------------------------------------*/
6319 * Wireless Handler : set Tx-Power
6321 static int airo_set_txpow(struct net_device *dev,
6322 struct iw_request_info *info,
6323 struct iw_param *vwrq,
6326 struct airo_info *local = dev->priv;
6327 CapabilityRid cap_rid; /* Card capability info */
6331 readCapabilityRid(local, &cap_rid, 1);
6333 if (vwrq->disabled) {
6334 set_bit (FLAG_RADIO_OFF, &local->flags);
6335 set_bit (FLAG_COMMIT, &local->flags);
6336 return -EINPROGRESS; /* Call commit handler */
6338 if (vwrq->flags != IW_TXPOW_MWATT) {
6341 clear_bit (FLAG_RADIO_OFF, &local->flags);
6342 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6343 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6344 readConfigRid(local, 1);
6345 local->config.txPower = vwrq->value;
6346 set_bit (FLAG_COMMIT, &local->flags);
6347 rc = -EINPROGRESS; /* Call commit handler */
6353 /*------------------------------------------------------------------*/
6355 * Wireless Handler : get Tx-Power
6357 static int airo_get_txpow(struct net_device *dev,
6358 struct iw_request_info *info,
6359 struct iw_param *vwrq,
6362 struct airo_info *local = dev->priv;
6364 readConfigRid(local, 1);
6365 vwrq->value = local->config.txPower;
6366 vwrq->fixed = 1; /* No power control */
6367 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6368 vwrq->flags = IW_TXPOW_MWATT;
6373 /*------------------------------------------------------------------*/
6375 * Wireless Handler : set Retry limits
6377 static int airo_set_retry(struct net_device *dev,
6378 struct iw_request_info *info,
6379 struct iw_param *vwrq,
6382 struct airo_info *local = dev->priv;
6385 if(vwrq->disabled) {
6388 readConfigRid(local, 1);
6389 if(vwrq->flags & IW_RETRY_LIMIT) {
6390 if(vwrq->flags & IW_RETRY_MAX)
6391 local->config.longRetryLimit = vwrq->value;
6392 else if (vwrq->flags & IW_RETRY_MIN)
6393 local->config.shortRetryLimit = vwrq->value;
6395 /* No modifier : set both */
6396 local->config.longRetryLimit = vwrq->value;
6397 local->config.shortRetryLimit = vwrq->value;
6399 set_bit (FLAG_COMMIT, &local->flags);
6400 rc = -EINPROGRESS; /* Call commit handler */
6402 if(vwrq->flags & IW_RETRY_LIFETIME) {
6403 local->config.txLifetime = vwrq->value / 1024;
6404 set_bit (FLAG_COMMIT, &local->flags);
6405 rc = -EINPROGRESS; /* Call commit handler */
6410 /*------------------------------------------------------------------*/
6412 * Wireless Handler : get Retry limits
6414 static int airo_get_retry(struct net_device *dev,
6415 struct iw_request_info *info,
6416 struct iw_param *vwrq,
6419 struct airo_info *local = dev->priv;
6421 vwrq->disabled = 0; /* Can't be disabled */
6423 readConfigRid(local, 1);
6424 /* Note : by default, display the min retry number */
6425 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6426 vwrq->flags = IW_RETRY_LIFETIME;
6427 vwrq->value = (int)local->config.txLifetime * 1024;
6428 } else if((vwrq->flags & IW_RETRY_MAX)) {
6429 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6430 vwrq->value = (int)local->config.longRetryLimit;
6432 vwrq->flags = IW_RETRY_LIMIT;
6433 vwrq->value = (int)local->config.shortRetryLimit;
6434 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6435 vwrq->flags |= IW_RETRY_MIN;
6441 /*------------------------------------------------------------------*/
6443 * Wireless Handler : get range info
6445 static int airo_get_range(struct net_device *dev,
6446 struct iw_request_info *info,
6447 struct iw_point *dwrq,
6450 struct airo_info *local = dev->priv;
6451 struct iw_range *range = (struct iw_range *) extra;
6452 CapabilityRid cap_rid; /* Card capability info */
6456 readCapabilityRid(local, &cap_rid, 1);
6458 dwrq->length = sizeof(struct iw_range);
6459 memset(range, 0, sizeof(*range));
6460 range->min_nwid = 0x0000;
6461 range->max_nwid = 0x0000;
6462 range->num_channels = 14;
6463 /* Should be based on cap_rid.country to give only
6464 * what the current card support */
6466 for(i = 0; i < 14; i++) {
6467 range->freq[k].i = i + 1; /* List index */
6468 range->freq[k].m = frequency_list[i] * 100000;
6469 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6471 range->num_frequency = k;
6473 range->sensitivity = 65535;
6475 /* Hum... Should put the right values there */
6477 range->max_qual.qual = 100; /* % */
6479 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6480 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6481 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6483 /* Experimental measurements - boundary 11/5.5 Mb/s */
6484 /* Note : with or without the (local->rssi), results
6485 * are somewhat different. - Jean II */
6487 range->avg_qual.qual = 50; /* % */
6488 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6490 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6491 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6493 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6495 for(i = 0 ; i < 8 ; i++) {
6496 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6497 if(range->bitrate[i] == 0)
6500 range->num_bitrates = i;
6502 /* Set an indication of the max TCP throughput
6503 * in bit/s that we can expect using this interface.
6504 * May be use for QoS stuff... Jean II */
6506 range->throughput = 5000 * 1000;
6508 range->throughput = 1500 * 1000;
6511 range->max_rts = 2312;
6512 range->min_frag = 256;
6513 range->max_frag = 2312;
6515 if(cap_rid.softCap & 2) {
6517 range->encoding_size[0] = 5;
6519 if (cap_rid.softCap & 0x100) {
6520 range->encoding_size[1] = 13;
6521 range->num_encoding_sizes = 2;
6523 range->num_encoding_sizes = 1;
6524 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6526 range->num_encoding_sizes = 0;
6527 range->max_encoding_tokens = 0;
6530 range->max_pmp = 5000000; /* 5 secs */
6532 range->max_pmt = 65535 * 1024; /* ??? */
6533 range->pmp_flags = IW_POWER_PERIOD;
6534 range->pmt_flags = IW_POWER_TIMEOUT;
6535 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6537 /* Transmit Power - values are in mW */
6538 for(i = 0 ; i < 8 ; i++) {
6539 range->txpower[i] = cap_rid.txPowerLevels[i];
6540 if(range->txpower[i] == 0)
6543 range->num_txpower = i;
6544 range->txpower_capa = IW_TXPOW_MWATT;
6545 range->we_version_source = 12;
6546 range->we_version_compiled = WIRELESS_EXT;
6547 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6548 range->retry_flags = IW_RETRY_LIMIT;
6549 range->r_time_flags = IW_RETRY_LIFETIME;
6550 range->min_retry = 1;
6551 range->max_retry = 65535;
6552 range->min_r_time = 1024;
6553 range->max_r_time = 65535 * 1024;
6555 /* Event capability (kernel + driver) */
6556 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6557 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6558 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6559 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6560 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6561 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6565 /*------------------------------------------------------------------*/
6567 * Wireless Handler : set Power Management
6569 static int airo_set_power(struct net_device *dev,
6570 struct iw_request_info *info,
6571 struct iw_param *vwrq,
6574 struct airo_info *local = dev->priv;
6576 readConfigRid(local, 1);
6577 if (vwrq->disabled) {
6578 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6581 local->config.powerSaveMode = POWERSAVE_CAM;
6582 local->config.rmode &= 0xFF00;
6583 local->config.rmode |= RXMODE_BC_MC_ADDR;
6584 set_bit (FLAG_COMMIT, &local->flags);
6585 return -EINPROGRESS; /* Call commit handler */
6587 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6588 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6589 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6590 set_bit (FLAG_COMMIT, &local->flags);
6591 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6592 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6593 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6594 set_bit (FLAG_COMMIT, &local->flags);
6596 switch (vwrq->flags & IW_POWER_MODE) {
6597 case IW_POWER_UNICAST_R:
6598 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6601 local->config.rmode &= 0xFF00;
6602 local->config.rmode |= RXMODE_ADDR;
6603 set_bit (FLAG_COMMIT, &local->flags);
6605 case IW_POWER_ALL_R:
6606 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6609 local->config.rmode &= 0xFF00;
6610 local->config.rmode |= RXMODE_BC_MC_ADDR;
6611 set_bit (FLAG_COMMIT, &local->flags);
6617 // Note : we may want to factor local->need_commit here
6618 // Note2 : may also want to factor RXMODE_RFMON test
6619 return -EINPROGRESS; /* Call commit handler */
6622 /*------------------------------------------------------------------*/
6624 * Wireless Handler : get Power Management
6626 static int airo_get_power(struct net_device *dev,
6627 struct iw_request_info *info,
6628 struct iw_param *vwrq,
6631 struct airo_info *local = dev->priv;
6634 readConfigRid(local, 1);
6635 mode = local->config.powerSaveMode;
6636 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6638 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6639 vwrq->value = (int)local->config.fastListenDelay * 1024;
6640 vwrq->flags = IW_POWER_TIMEOUT;
6642 vwrq->value = (int)local->config.fastListenInterval * 1024;
6643 vwrq->flags = IW_POWER_PERIOD;
6645 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
6646 vwrq->flags |= IW_POWER_UNICAST_R;
6648 vwrq->flags |= IW_POWER_ALL_R;
6653 /*------------------------------------------------------------------*/
6655 * Wireless Handler : set Sensitivity
6657 static int airo_set_sens(struct net_device *dev,
6658 struct iw_request_info *info,
6659 struct iw_param *vwrq,
6662 struct airo_info *local = dev->priv;
6664 readConfigRid(local, 1);
6665 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
6666 set_bit (FLAG_COMMIT, &local->flags);
6668 return -EINPROGRESS; /* Call commit handler */
6671 /*------------------------------------------------------------------*/
6673 * Wireless Handler : get Sensitivity
6675 static int airo_get_sens(struct net_device *dev,
6676 struct iw_request_info *info,
6677 struct iw_param *vwrq,
6680 struct airo_info *local = dev->priv;
6682 readConfigRid(local, 1);
6683 vwrq->value = local->config.rssiThreshold;
6684 vwrq->disabled = (vwrq->value == 0);
6690 /*------------------------------------------------------------------*/
6692 * Wireless Handler : get AP List
6693 * Note : this is deprecated in favor of IWSCAN
6695 static int airo_get_aplist(struct net_device *dev,
6696 struct iw_request_info *info,
6697 struct iw_point *dwrq,
6700 struct airo_info *local = dev->priv;
6701 struct sockaddr *address = (struct sockaddr *) extra;
6702 struct iw_quality qual[IW_MAX_AP];
6705 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
6707 for (i = 0; i < IW_MAX_AP; i++) {
6708 if (readBSSListRid(local, loseSync, &BSSList))
6711 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
6712 address[i].sa_family = ARPHRD_ETHER;
6714 qual[i].level = 0x100 - BSSList.dBm;
6715 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
6716 qual[i].updated = IW_QUAL_QUAL_UPDATED
6717 | IW_QUAL_LEVEL_UPDATED
6720 qual[i].level = (BSSList.dBm + 321) / 2;
6722 qual[i].updated = IW_QUAL_QUAL_INVALID
6723 | IW_QUAL_LEVEL_UPDATED
6726 qual[i].noise = local->wstats.qual.noise;
6727 if (BSSList.index == 0xffff)
6731 StatusRid status_rid; /* Card status info */
6732 readStatusRid(local, &status_rid, 1);
6734 i < min(IW_MAX_AP, 4) &&
6735 (status_rid.bssid[i][0]
6736 & status_rid.bssid[i][1]
6737 & status_rid.bssid[i][2]
6738 & status_rid.bssid[i][3]
6739 & status_rid.bssid[i][4]
6740 & status_rid.bssid[i][5])!=0xff &&
6741 (status_rid.bssid[i][0]
6742 | status_rid.bssid[i][1]
6743 | status_rid.bssid[i][2]
6744 | status_rid.bssid[i][3]
6745 | status_rid.bssid[i][4]
6746 | status_rid.bssid[i][5]);
6748 memcpy(address[i].sa_data,
6749 status_rid.bssid[i], ETH_ALEN);
6750 address[i].sa_family = ARPHRD_ETHER;
6753 dwrq->flags = 1; /* Should be define'd */
6754 memcpy(extra + sizeof(struct sockaddr)*i,
6755 &qual, sizeof(struct iw_quality)*i);
6762 /*------------------------------------------------------------------*/
6764 * Wireless Handler : Initiate Scan
6766 static int airo_set_scan(struct net_device *dev,
6767 struct iw_request_info *info,
6768 struct iw_param *vwrq,
6771 struct airo_info *ai = dev->priv;
6775 /* Note : you may have realised that, as this is a SET operation,
6776 * this is privileged and therefore a normal user can't
6778 * This is not an error, while the device perform scanning,
6779 * traffic doesn't flow, so it's a perfect DoS...
6781 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
6783 /* Initiate a scan command */
6784 memset(&cmd, 0, sizeof(cmd));
6785 cmd.cmd=CMD_LISTBSS;
6786 if (down_interruptible(&ai->sem))
6787 return -ERESTARTSYS;
6788 issuecommand(ai, &cmd, &rsp);
6789 ai->scan_timestamp = jiffies;
6792 /* At this point, just return to the user. */
6797 /*------------------------------------------------------------------*/
6799 * Translate scan data returned from the card to a card independent
6800 * format that the Wireless Tools will understand - Jean II
6802 static inline char *airo_translate_scan(struct net_device *dev,
6807 struct airo_info *ai = dev->priv;
6808 struct iw_event iwe; /* Temporary buffer */
6810 char * current_val; /* For rates */
6813 /* First entry *MUST* be the AP MAC address */
6814 iwe.cmd = SIOCGIWAP;
6815 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
6816 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
6817 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
6819 /* Other entries will be displayed in the order we give them */
6822 iwe.u.data.length = bss->ssidLen;
6823 if(iwe.u.data.length > 32)
6824 iwe.u.data.length = 32;
6825 iwe.cmd = SIOCGIWESSID;
6826 iwe.u.data.flags = 1;
6827 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6830 iwe.cmd = SIOCGIWMODE;
6831 capabilities = le16_to_cpu(bss->cap);
6832 if(capabilities & (CAP_ESS | CAP_IBSS)) {
6833 if(capabilities & CAP_ESS)
6834 iwe.u.mode = IW_MODE_MASTER;
6836 iwe.u.mode = IW_MODE_ADHOC;
6837 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
6841 iwe.cmd = SIOCGIWFREQ;
6842 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
6843 /* iwe.u.freq.m containt the channel (starting 1), our
6844 * frequency_list array start at index 0...
6846 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
6848 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
6850 /* Add quality statistics */
6853 iwe.u.qual.level = 0x100 - bss->dBm;
6854 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
6855 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
6856 | IW_QUAL_LEVEL_UPDATED
6859 iwe.u.qual.level = (bss->dBm + 321) / 2;
6860 iwe.u.qual.qual = 0;
6861 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
6862 | IW_QUAL_LEVEL_UPDATED
6865 iwe.u.qual.noise = ai->wstats.qual.noise;
6866 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
6868 /* Add encryption capability */
6869 iwe.cmd = SIOCGIWENCODE;
6870 if(capabilities & CAP_PRIVACY)
6871 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
6873 iwe.u.data.flags = IW_ENCODE_DISABLED;
6874 iwe.u.data.length = 0;
6875 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6877 /* Rate : stuffing multiple values in a single event require a bit
6878 * more of magic - Jean II */
6879 current_val = current_ev + IW_EV_LCP_LEN;
6881 iwe.cmd = SIOCGIWRATE;
6882 /* Those two flags are ignored... */
6883 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
6885 for(i = 0 ; i < 8 ; i++) {
6886 /* NULL terminated */
6887 if(bss->rates[i] == 0)
6889 /* Bit rate given in 500 kb/s units (+ 0x80) */
6890 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
6891 /* Add new value to event */
6892 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
6894 /* Check if we added any event */
6895 if((current_val - current_ev) > IW_EV_LCP_LEN)
6896 current_ev = current_val;
6898 /* The other data in the scan result are not really
6899 * interesting, so for now drop it - Jean II */
6903 /*------------------------------------------------------------------*/
6905 * Wireless Handler : Read Scan Results
6907 static int airo_get_scan(struct net_device *dev,
6908 struct iw_request_info *info,
6909 struct iw_point *dwrq,
6912 struct airo_info *ai = dev->priv;
6915 char *current_ev = extra;
6917 /* When we are associated again, the scan has surely finished.
6918 * Just in case, let's make sure enough time has elapsed since
6919 * we started the scan. - Javier */
6920 if(ai->scan_timestamp && time_before(jiffies,ai->scan_timestamp+3*HZ)) {
6921 /* Important note : we don't want to block the caller
6922 * until results are ready for various reasons.
6923 * First, managing wait queues is complex and racy
6924 * (there may be multiple simultaneous callers).
6925 * Second, we grab some rtnetlink lock before comming
6926 * here (in dev_ioctl()).
6927 * Third, the caller can wait on the Wireless Event
6931 ai->scan_timestamp = 0;
6933 /* There's only a race with proc_BSSList_open(), but its
6934 * consequences are begnign. So I don't bother fixing it - Javier */
6936 /* Try to read the first entry of the scan result */
6937 rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 1);
6938 if((rc) || (BSSList.index == 0xffff)) {
6939 /* Client error, no scan results...
6940 * The caller need to restart the scan. */
6944 /* Read and parse all entries */
6945 while((!rc) && (BSSList.index != 0xffff)) {
6946 /* Translate to WE format this entry */
6947 current_ev = airo_translate_scan(dev, current_ev,
6948 extra + dwrq->length,
6951 /* Check if there is space for one more entry */
6952 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
6953 /* Ask user space to try again with a bigger buffer */
6957 /* Read next entry */
6958 rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
6959 &BSSList, sizeof(BSSList), 1);
6961 /* Length of data */
6962 dwrq->length = (current_ev - extra);
6963 dwrq->flags = 0; /* todo */
6968 /*------------------------------------------------------------------*/
6970 * Commit handler : called after a bunch of SET operations
6972 static int airo_config_commit(struct net_device *dev,
6973 struct iw_request_info *info, /* NULL */
6974 void *zwrq, /* NULL */
6975 char *extra) /* NULL */
6977 struct airo_info *local = dev->priv;
6980 if (!test_bit (FLAG_COMMIT, &local->flags))
6983 /* Some of the "SET" function may have modified some of the
6984 * parameters. It's now time to commit them in the card */
6985 disable_MAC(local, 1);
6986 if (test_bit (FLAG_RESET, &local->flags)) {
6987 APListRid APList_rid;
6990 readAPListRid(local, &APList_rid);
6991 readSsidRid(local, &SSID_rid);
6992 if (test_bit(FLAG_MPI,&local->flags))
6993 setup_card(local, dev->dev_addr, 1 );
6995 reset_airo_card(dev);
6996 disable_MAC(local, 1);
6997 writeSsidRid(local, &SSID_rid, 1);
6998 writeAPListRid(local, &APList_rid, 1);
7000 if (down_interruptible(&local->sem))
7001 return -ERESTARTSYS;
7002 writeConfigRid(local, 0);
7003 enable_MAC(local, &rsp, 0);
7004 if (test_bit (FLAG_RESET, &local->flags))
7005 airo_set_promisc(local);
7012 /*------------------------------------------------------------------*/
7014 * Structures to export the Wireless Handlers
7017 static const struct iw_priv_args airo_private_args[] = {
7018 /*{ cmd, set_args, get_args, name } */
7019 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7020 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7021 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7022 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7025 static const iw_handler airo_handler[] =
7027 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7028 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7029 (iw_handler) NULL, /* SIOCSIWNWID */
7030 (iw_handler) NULL, /* SIOCGIWNWID */
7031 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7032 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7033 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7034 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7035 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7036 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7037 (iw_handler) NULL, /* SIOCSIWRANGE */
7038 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7039 (iw_handler) NULL, /* SIOCSIWPRIV */
7040 (iw_handler) NULL, /* SIOCGIWPRIV */
7041 (iw_handler) NULL, /* SIOCSIWSTATS */
7042 (iw_handler) NULL, /* SIOCGIWSTATS */
7043 iw_handler_set_spy, /* SIOCSIWSPY */
7044 iw_handler_get_spy, /* SIOCGIWSPY */
7045 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7046 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7047 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7048 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7049 (iw_handler) NULL, /* -- hole -- */
7050 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7051 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7052 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7053 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7054 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7055 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7056 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7057 (iw_handler) NULL, /* -- hole -- */
7058 (iw_handler) NULL, /* -- hole -- */
7059 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7060 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7061 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7062 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7063 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7064 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7065 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7066 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7067 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7068 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7069 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7070 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7071 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7072 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7075 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7076 * We want to force the use of the ioctl code, because those can't be
7077 * won't work the iw_handler code (because they simultaneously read
7078 * and write data and iw_handler can't do that).
7079 * Note that it's perfectly legal to read/write on a single ioctl command,
7080 * you just can't use iwpriv and need to force it via the ioctl handler.
7082 static const iw_handler airo_private_handler[] =
7084 NULL, /* SIOCIWFIRSTPRIV */
7087 static const struct iw_handler_def airo_handler_def =
7089 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7090 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7091 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7092 .standard = airo_handler,
7093 .private = airo_private_handler,
7094 .private_args = airo_private_args,
7095 .get_wireless_stats = airo_get_wireless_stats,
7099 * This defines the configuration part of the Wireless Extensions
7100 * Note : irq and spinlock protection will occur in the subroutines
7103 * o Check input value more carefully and fill correct values in range
7104 * o Test and shakeout the bugs (if any)
7108 * Javier Achirica did a great job of merging code from the unnamed CISCO
7109 * developer that added support for flashing the card.
7111 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7114 struct airo_info *ai = (struct airo_info *)dev->priv;
7116 if (ai->power.event)
7126 int val = AIROMAGIC;
7128 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7130 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7139 /* Get the command struct and hand it off for evaluation by
7140 * the proper subfunction
7144 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7149 /* Separate R/W functions bracket legality here
7151 if ( com.command == AIRORSWVERSION ) {
7152 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7157 else if ( com.command <= AIRORRID)
7158 rc = readrids(dev,&com);
7159 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7160 rc = writerids(dev,&com);
7161 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7162 rc = flashcard(dev,&com);
7164 rc = -EINVAL; /* Bad command in ioctl */
7167 #endif /* CISCO_EXT */
7169 // All other calls are currently unsupported
7177 * Get the Wireless stats out of the driver
7178 * Note : irq and spinlock protection will occur in the subroutines
7181 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7185 static void airo_read_wireless_stats(struct airo_info *local)
7187 StatusRid status_rid;
7189 CapabilityRid cap_rid;
7190 u32 *vals = stats_rid.vals;
7192 /* Get stats out of the card */
7193 clear_bit(JOB_WSTATS, &local->flags);
7194 if (local->power.event) {
7198 readCapabilityRid(local, &cap_rid, 0);
7199 readStatusRid(local, &status_rid, 0);
7200 readStatsRid(local, &stats_rid, RID_STATS, 0);
7204 local->wstats.status = status_rid.mode;
7206 /* Signal quality and co */
7208 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7209 /* normalizedSignalStrength appears to be a percentage */
7210 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7212 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7213 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7215 if (status_rid.len >= 124) {
7216 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7217 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7219 local->wstats.qual.noise = 0;
7220 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7223 /* Packets discarded in the wireless adapter due to wireless
7224 * specific problems */
7225 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7226 local->wstats.discard.code = vals[6];/* RxWepErr */
7227 local->wstats.discard.fragment = vals[30];
7228 local->wstats.discard.retries = vals[10];
7229 local->wstats.discard.misc = vals[1] + vals[32];
7230 local->wstats.miss.beacon = vals[34];
7233 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7235 struct airo_info *local = dev->priv;
7237 if (!test_bit(JOB_WSTATS, &local->flags)) {
7238 /* Get stats out of the card if available */
7239 if (down_trylock(&local->sem) != 0) {
7240 set_bit(JOB_WSTATS, &local->flags);
7241 wake_up_interruptible(&local->thr_wait);
7243 airo_read_wireless_stats(local);
7246 return &local->wstats;
7251 * This just translates from driver IOCTL codes to the command codes to
7252 * feed to the radio's host interface. Things can be added/deleted
7253 * as needed. This represents the READ side of control I/O to
7256 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7257 unsigned short ridcode;
7258 unsigned char *iobuf;
7260 struct airo_info *ai = dev->priv;
7263 if (test_bit(FLAG_FLASHING, &ai->flags))
7266 switch(comp->command)
7268 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7269 case AIROGCFG: ridcode = RID_CONFIG;
7270 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7271 disable_MAC (ai, 1);
7272 writeConfigRid (ai, 1);
7273 enable_MAC (ai, &rsp, 1);
7276 case AIROGSLIST: ridcode = RID_SSID; break;
7277 case AIROGVLIST: ridcode = RID_APLIST; break;
7278 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7279 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7280 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7281 /* Only super-user can read WEP keys */
7282 if (!capable(CAP_NET_ADMIN))
7285 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7286 /* Only super-user can read WEP keys */
7287 if (!capable(CAP_NET_ADMIN))
7290 case AIROGSTAT: ridcode = RID_STATUS; break;
7291 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7292 case AIROGSTATSC32: ridcode = RID_STATS; break;
7295 if (copy_to_user(comp->data, &ai->micstats,
7296 min((int)comp->len,(int)sizeof(ai->micstats))))
7300 case AIRORRID: ridcode = comp->ridnum; break;
7306 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7309 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7310 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7311 * then return it to the user
7312 * 9/22/2000 Honor user given length
7316 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7325 * Danger Will Robinson write the rids here
7328 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7329 struct airo_info *ai = dev->priv;
7335 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7336 unsigned char *iobuf;
7338 /* Only super-user can write RIDs */
7339 if (!capable(CAP_NET_ADMIN))
7342 if (test_bit(FLAG_FLASHING, &ai->flags))
7346 writer = do_writerid;
7348 switch(comp->command)
7350 case AIROPSIDS: ridcode = RID_SSID; break;
7351 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7352 case AIROPAPLIST: ridcode = RID_APLIST; break;
7353 case AIROPCFG: ai->config.len = 0;
7354 clear_bit(FLAG_COMMIT, &ai->flags);
7355 ridcode = RID_CONFIG; break;
7356 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7357 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7358 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7359 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7361 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7362 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7364 /* this is not really a rid but a command given to the card
7368 if (enable_MAC(ai, &rsp, 1) != 0)
7373 * Evidently this code in the airo driver does not get a symbol
7374 * as disable_MAC. it's probably so short the compiler does not gen one.
7380 /* This command merely clears the counts does not actually store any data
7381 * only reads rid. But as it changes the cards state, I put it in the
7382 * writerid routines.
7385 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7388 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7391 enabled = ai->micstats.enabled;
7392 memset(&ai->micstats,0,sizeof(ai->micstats));
7393 ai->micstats.enabled = enabled;
7396 if (copy_to_user(comp->data, iobuf,
7397 min((int)comp->len, (int)RIDSIZE))) {
7405 return -EOPNOTSUPP; /* Blarg! */
7407 if(comp->len > RIDSIZE)
7410 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7413 if (copy_from_user(iobuf,comp->data,comp->len)) {
7418 if (comp->command == AIROPCFG) {
7419 ConfigRid *cfg = (ConfigRid *)iobuf;
7421 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7422 cfg->opmode |= MODE_MIC;
7424 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7425 set_bit (FLAG_ADHOC, &ai->flags);
7427 clear_bit (FLAG_ADHOC, &ai->flags);
7430 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7438 /*****************************************************************************
7439 * Ancillary flash / mod functions much black magic lurkes here *
7440 *****************************************************************************
7444 * Flash command switch table
7447 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7450 /* Only super-user can modify flash */
7451 if (!capable(CAP_NET_ADMIN))
7454 switch(comp->command)
7457 return cmdreset((struct airo_info *)dev->priv);
7460 if (!((struct airo_info *)dev->priv)->flash &&
7461 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7463 return setflashmode((struct airo_info *)dev->priv);
7465 case AIROFLSHGCHR: /* Get char from aux */
7466 if(comp->len != sizeof(int))
7468 if (copy_from_user(&z,comp->data,comp->len))
7470 return flashgchar((struct airo_info *)dev->priv,z,8000);
7472 case AIROFLSHPCHR: /* Send char to card. */
7473 if(comp->len != sizeof(int))
7475 if (copy_from_user(&z,comp->data,comp->len))
7477 return flashpchar((struct airo_info *)dev->priv,z,8000);
7479 case AIROFLPUTBUF: /* Send 32k to card */
7480 if (!((struct airo_info *)dev->priv)->flash)
7482 if(comp->len > FLASHSIZE)
7484 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7487 flashputbuf((struct airo_info *)dev->priv);
7491 if(flashrestart((struct airo_info *)dev->priv,dev))
7498 #define FLASH_COMMAND 0x7e7e
7502 * Disable MAC and do soft reset on
7506 static int cmdreset(struct airo_info *ai) {
7510 printk(KERN_INFO "Waitbusy hang before RESET\n");
7514 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7516 ssleep(1); /* WAS 600 12/7/00 */
7519 printk(KERN_INFO "Waitbusy hang AFTER RESET\n");
7526 * Put the card in legendary flash
7530 static int setflashmode (struct airo_info *ai) {
7531 set_bit (FLAG_FLASHING, &ai->flags);
7533 OUT4500(ai, SWS0, FLASH_COMMAND);
7534 OUT4500(ai, SWS1, FLASH_COMMAND);
7536 OUT4500(ai, SWS0, FLASH_COMMAND);
7537 OUT4500(ai, COMMAND,0x10);
7539 OUT4500(ai, SWS2, FLASH_COMMAND);
7540 OUT4500(ai, SWS3, FLASH_COMMAND);
7541 OUT4500(ai, COMMAND,0);
7543 msleep(500); /* 500ms delay */
7546 clear_bit (FLAG_FLASHING, &ai->flags);
7547 printk(KERN_INFO "Waitbusy hang after setflash mode\n");
7553 /* Put character to SWS0 wait for dwelltime
7557 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7568 /* Wait for busy bit d15 to go false indicating buffer empty */
7569 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7574 /* timeout for busy clear wait */
7576 printk(KERN_INFO "flash putchar busywait timeout! \n");
7580 /* Port is clear now write byte and wait for it to echo back */
7582 OUT4500(ai,SWS0,byte);
7585 echo = IN4500(ai,SWS1);
7586 } while (dwelltime >= 0 && echo != byte);
7590 return (echo == byte) ? 0 : -EIO;
7594 * Get a character from the card matching matchbyte
7597 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
7599 unsigned char rbyte=0;
7602 rchar = IN4500(ai,SWS1);
7604 if(dwelltime && !(0x8000 & rchar)){
7609 rbyte = 0xff & rchar;
7611 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
7615 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
7619 }while(dwelltime > 0);
7624 * Transfer 32k of firmware data from user buffer to our buffer and
7628 static int flashputbuf(struct airo_info *ai){
7632 if (test_bit(FLAG_MPI,&ai->flags))
7633 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
7635 OUT4500(ai,AUXPAGE,0x100);
7636 OUT4500(ai,AUXOFF,0);
7638 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
7639 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
7642 OUT4500(ai,SWS0,0x8000);
7650 static int flashrestart(struct airo_info *ai,struct net_device *dev){
7653 ssleep(1); /* Added 12/7/00 */
7654 clear_bit (FLAG_FLASHING, &ai->flags);
7655 if (test_bit(FLAG_MPI, &ai->flags)) {
7656 status = mpi_init_descriptors(ai);
7657 if (status != SUCCESS)
7660 status = setup_card(ai, dev->dev_addr, 1);
7662 if (!test_bit(FLAG_MPI,&ai->flags))
7663 for( i = 0; i < MAX_FIDS; i++ ) {
7664 ai->fids[i] = transmit_allocate
7665 ( ai, 2312, i >= MAX_FIDS / 2 );
7668 ssleep(1); /* Added 12/7/00 */
7671 #endif /* CISCO_EXT */
7674 This program is free software; you can redistribute it and/or
7675 modify it under the terms of the GNU General Public License
7676 as published by the Free Software Foundation; either version 2
7677 of the License, or (at your option) any later version.
7679 This program is distributed in the hope that it will be useful,
7680 but WITHOUT ANY WARRANTY; without even the implied warranty of
7681 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7682 GNU General Public License for more details.
7686 Redistribution and use in source and binary forms, with or without
7687 modification, are permitted provided that the following conditions
7690 1. Redistributions of source code must retain the above copyright
7691 notice, this list of conditions and the following disclaimer.
7692 2. Redistributions in binary form must reproduce the above copyright
7693 notice, this list of conditions and the following disclaimer in the
7694 documentation and/or other materials provided with the distribution.
7695 3. The name of the author may not be used to endorse or promote
7696 products derived from this software without specific prior written
7699 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
7700 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7701 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
7702 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
7703 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
7704 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
7705 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
7706 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
7707 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
7708 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
7709 POSSIBILITY OF SUCH DAMAGE.
7712 module_init(airo_init_module);
7713 module_exit(airo_cleanup_module);