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));)
2389 /* PCMCIA frees this stuff, so only for PCI and ISA */
2390 release_region( dev->base_addr, 64 );
2391 if (test_bit(FLAG_MPI, &ai->flags)) {
2393 mpi_unmap_card(ai->pci);
2395 iounmap(ai->pcimem);
2397 iounmap(ai->pciaux);
2398 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2399 ai->shared, ai->shared_dma);
2403 crypto_free_tfm(ai->tfm);
2405 del_airo_dev( dev );
2409 EXPORT_SYMBOL(stop_airo_card);
2411 static int add_airo_dev( struct net_device *dev );
2413 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2415 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2419 static void mpi_unmap_card(struct pci_dev *pci)
2421 unsigned long mem_start = pci_resource_start(pci, 1);
2422 unsigned long mem_len = pci_resource_len(pci, 1);
2423 unsigned long aux_start = pci_resource_start(pci, 2);
2424 unsigned long aux_len = AUXMEMSIZE;
2426 release_mem_region(aux_start, aux_len);
2427 release_mem_region(mem_start, mem_len);
2430 /*************************************************************
2431 * This routine assumes that descriptors have been setup .
2432 * Run at insmod time or after reset when the decriptors
2433 * have been initialized . Returns 0 if all is well nz
2434 * otherwise . Does not allocate memory but sets up card
2435 * using previously allocated descriptors.
2437 static int mpi_init_descriptors (struct airo_info *ai)
2444 /* Alloc card RX descriptors */
2445 netif_stop_queue(ai->dev);
2447 memset(&rsp,0,sizeof(rsp));
2448 memset(&cmd,0,sizeof(cmd));
2450 cmd.cmd = CMD_ALLOCATEAUX;
2452 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2453 cmd.parm2 = MPI_MAX_FIDS;
2454 rc=issuecommand(ai, &cmd, &rsp);
2455 if (rc != SUCCESS) {
2456 printk(KERN_ERR "airo: Couldn't allocate RX FID\n");
2460 for (i=0; i<MPI_MAX_FIDS; i++) {
2461 memcpy_toio(ai->rxfids[i].card_ram_off,
2462 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2465 /* Alloc card TX descriptors */
2467 memset(&rsp,0,sizeof(rsp));
2468 memset(&cmd,0,sizeof(cmd));
2470 cmd.cmd = CMD_ALLOCATEAUX;
2472 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2473 cmd.parm2 = MPI_MAX_FIDS;
2475 for (i=0; i<MPI_MAX_FIDS; i++) {
2476 ai->txfids[i].tx_desc.valid = 1;
2477 memcpy_toio(ai->txfids[i].card_ram_off,
2478 &ai->txfids[i].tx_desc, sizeof(TxFid));
2480 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2482 rc=issuecommand(ai, &cmd, &rsp);
2483 if (rc != SUCCESS) {
2484 printk(KERN_ERR "airo: Couldn't allocate TX FID\n");
2488 /* Alloc card Rid descriptor */
2489 memset(&rsp,0,sizeof(rsp));
2490 memset(&cmd,0,sizeof(cmd));
2492 cmd.cmd = CMD_ALLOCATEAUX;
2494 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2495 cmd.parm2 = 1; /* Magic number... */
2496 rc=issuecommand(ai, &cmd, &rsp);
2497 if (rc != SUCCESS) {
2498 printk(KERN_ERR "airo: Couldn't allocate RID\n");
2502 memcpy_toio(ai->config_desc.card_ram_off,
2503 &ai->config_desc.rid_desc, sizeof(Rid));
2509 * We are setting up three things here:
2510 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2511 * 2) Map PCI memory for issueing commands.
2512 * 3) Allocate memory (shared) to send and receive ethernet frames.
2514 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2517 unsigned long mem_start, mem_len, aux_start, aux_len;
2520 dma_addr_t busaddroff;
2521 unsigned char *vpackoff;
2522 unsigned char __iomem *pciaddroff;
2524 mem_start = pci_resource_start(pci, 1);
2525 mem_len = pci_resource_len(pci, 1);
2526 aux_start = pci_resource_start(pci, 2);
2527 aux_len = AUXMEMSIZE;
2529 if (!request_mem_region(mem_start, mem_len, name)) {
2530 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2531 (int)mem_start, (int)mem_len, name);
2534 if (!request_mem_region(aux_start, aux_len, name)) {
2535 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2536 (int)aux_start, (int)aux_len, name);
2540 ai->pcimem = ioremap(mem_start, mem_len);
2542 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2543 (int)mem_start, (int)mem_len, name);
2546 ai->pciaux = ioremap(aux_start, aux_len);
2548 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2549 (int)aux_start, (int)aux_len, name);
2553 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2554 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2556 printk(KERN_ERR "airo: Couldn't alloc_consistent %d\n",
2562 * Setup descriptor RX, TX, CONFIG
2564 busaddroff = ai->shared_dma;
2565 pciaddroff = ai->pciaux + AUX_OFFSET;
2566 vpackoff = ai->shared;
2568 /* RX descriptor setup */
2569 for(i = 0; i < MPI_MAX_FIDS; i++) {
2570 ai->rxfids[i].pending = 0;
2571 ai->rxfids[i].card_ram_off = pciaddroff;
2572 ai->rxfids[i].virtual_host_addr = vpackoff;
2573 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2574 ai->rxfids[i].rx_desc.valid = 1;
2575 ai->rxfids[i].rx_desc.len = PKTSIZE;
2576 ai->rxfids[i].rx_desc.rdy = 0;
2578 pciaddroff += sizeof(RxFid);
2579 busaddroff += PKTSIZE;
2580 vpackoff += PKTSIZE;
2583 /* TX descriptor setup */
2584 for(i = 0; i < MPI_MAX_FIDS; i++) {
2585 ai->txfids[i].card_ram_off = pciaddroff;
2586 ai->txfids[i].virtual_host_addr = vpackoff;
2587 ai->txfids[i].tx_desc.valid = 1;
2588 ai->txfids[i].tx_desc.host_addr = busaddroff;
2589 memcpy(ai->txfids[i].virtual_host_addr,
2590 &wifictlhdr8023, sizeof(wifictlhdr8023));
2592 pciaddroff += sizeof(TxFid);
2593 busaddroff += PKTSIZE;
2594 vpackoff += PKTSIZE;
2596 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2598 /* Rid descriptor setup */
2599 ai->config_desc.card_ram_off = pciaddroff;
2600 ai->config_desc.virtual_host_addr = vpackoff;
2601 ai->config_desc.rid_desc.host_addr = busaddroff;
2602 ai->ridbus = busaddroff;
2603 ai->config_desc.rid_desc.rid = 0;
2604 ai->config_desc.rid_desc.len = RIDSIZE;
2605 ai->config_desc.rid_desc.valid = 1;
2606 pciaddroff += sizeof(Rid);
2607 busaddroff += RIDSIZE;
2608 vpackoff += RIDSIZE;
2610 /* Tell card about descriptors */
2611 if (mpi_init_descriptors (ai) != SUCCESS)
2616 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2618 iounmap(ai->pciaux);
2620 iounmap(ai->pcimem);
2622 release_mem_region(aux_start, aux_len);
2624 release_mem_region(mem_start, mem_len);
2629 static void wifi_setup(struct net_device *dev)
2631 dev->hard_header = NULL;
2632 dev->rebuild_header = NULL;
2633 dev->hard_header_cache = NULL;
2634 dev->header_cache_update= NULL;
2636 dev->hard_header_parse = wll_header_parse;
2637 dev->hard_start_xmit = &airo_start_xmit11;
2638 dev->get_stats = &airo_get_stats;
2639 dev->set_mac_address = &airo_set_mac_address;
2640 dev->do_ioctl = &airo_ioctl;
2641 dev->wireless_handlers = &airo_handler_def;
2642 dev->change_mtu = &airo_change_mtu;
2643 dev->open = &airo_open;
2644 dev->stop = &airo_close;
2646 dev->type = ARPHRD_IEEE80211;
2647 dev->hard_header_len = ETH_HLEN;
2649 dev->addr_len = ETH_ALEN;
2650 dev->tx_queue_len = 100;
2652 memset(dev->broadcast,0xFF, ETH_ALEN);
2654 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2657 static struct net_device *init_wifidev(struct airo_info *ai,
2658 struct net_device *ethdev)
2661 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2664 dev->priv = ethdev->priv;
2665 dev->irq = ethdev->irq;
2666 dev->base_addr = ethdev->base_addr;
2667 dev->wireless_data = ethdev->wireless_data;
2668 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2669 err = register_netdev(dev);
2677 static int reset_card( struct net_device *dev , int lock) {
2678 struct airo_info *ai = dev->priv;
2680 if (lock && down_interruptible(&ai->sem))
2683 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2692 static struct net_device *_init_airo_card( unsigned short irq, int port,
2693 int is_pcmcia, struct pci_dev *pci,
2694 struct device *dmdev )
2696 struct net_device *dev;
2697 struct airo_info *ai;
2700 /* Create the network device object. */
2701 dev = alloc_etherdev(sizeof(*ai));
2703 printk(KERN_ERR "airo: Couldn't alloc_etherdev\n");
2706 if (dev_alloc_name(dev, dev->name) < 0) {
2707 printk(KERN_ERR "airo: Couldn't get name!\n");
2714 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2715 printk(KERN_DEBUG "airo: Found an MPI350 card\n");
2716 set_bit(FLAG_MPI, &ai->flags);
2719 spin_lock_init(&ai->aux_lock);
2720 sema_init(&ai->sem, 1);
2723 init_waitqueue_head (&ai->thr_wait);
2724 init_completion (&ai->thr_exited);
2725 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2726 if (ai->thr_pid < 0)
2731 rc = add_airo_dev( dev );
2735 /* The Airo-specific entries in the device structure. */
2736 if (test_bit(FLAG_MPI,&ai->flags)) {
2737 skb_queue_head_init (&ai->txq);
2738 dev->hard_start_xmit = &mpi_start_xmit;
2740 dev->hard_start_xmit = &airo_start_xmit;
2741 dev->get_stats = &airo_get_stats;
2742 dev->set_multicast_list = &airo_set_multicast_list;
2743 dev->set_mac_address = &airo_set_mac_address;
2744 dev->do_ioctl = &airo_ioctl;
2745 dev->wireless_handlers = &airo_handler_def;
2746 ai->wireless_data.spy_data = &ai->spy_data;
2747 dev->wireless_data = &ai->wireless_data;
2748 dev->change_mtu = &airo_change_mtu;
2749 dev->open = &airo_open;
2750 dev->stop = &airo_close;
2752 dev->base_addr = port;
2754 SET_NETDEV_DEV(dev, dmdev);
2757 if (test_bit(FLAG_MPI,&ai->flags))
2758 reset_card (dev, 1);
2760 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2762 printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
2763 goto err_out_unlink;
2766 if (!request_region( dev->base_addr, 64, dev->name )) {
2768 printk(KERN_ERR "airo: Couldn't request region\n");
2773 if (test_bit(FLAG_MPI,&ai->flags)) {
2774 if (mpi_map_card(ai, pci, dev->name)) {
2775 printk(KERN_ERR "airo: Could not map memory\n");
2781 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2782 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2786 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2787 ai->bap_read = fast_bap_read;
2788 set_bit(FLAG_FLASHING, &ai->flags);
2791 rc = register_netdev(dev);
2793 printk(KERN_ERR "airo: Couldn't register_netdev\n");
2796 ai->wifidev = init_wifidev(ai, dev);
2798 set_bit(FLAG_REGISTERED,&ai->flags);
2799 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
2801 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2802 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2804 /* Allocate the transmit buffers */
2805 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2806 for( i = 0; i < MAX_FIDS; i++ )
2807 ai->fids[i] = transmit_allocate(ai,2312,i>=MAX_FIDS/2);
2809 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2810 netif_start_queue(dev);
2811 SET_MODULE_OWNER(dev);
2815 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2816 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2817 iounmap(ai->pciaux);
2818 iounmap(ai->pcimem);
2819 mpi_unmap_card(ai->pci);
2823 release_region( dev->base_addr, 64 );
2825 free_irq(dev->irq, dev);
2829 set_bit(JOB_DIE, &ai->flags);
2830 kill_proc(ai->thr_pid, SIGTERM, 1);
2831 wait_for_completion(&ai->thr_exited);
2837 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2838 struct device *dmdev)
2840 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2843 EXPORT_SYMBOL(init_airo_card);
2845 static int waitbusy (struct airo_info *ai) {
2847 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2849 if ((++delay % 20) == 0)
2850 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2852 return delay < 10000;
2855 int reset_airo_card( struct net_device *dev )
2858 struct airo_info *ai = dev->priv;
2860 if (reset_card (dev, 1))
2863 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2864 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2867 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev->name,
2868 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2869 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2870 /* Allocate the transmit buffers if needed */
2871 if (!test_bit(FLAG_MPI,&ai->flags))
2872 for( i = 0; i < MAX_FIDS; i++ )
2873 ai->fids[i] = transmit_allocate (ai,2312,i>=MAX_FIDS/2);
2875 enable_interrupts( ai );
2876 netif_wake_queue(dev);
2880 EXPORT_SYMBOL(reset_airo_card);
2882 static void airo_send_event(struct net_device *dev) {
2883 struct airo_info *ai = dev->priv;
2884 union iwreq_data wrqu;
2885 StatusRid status_rid;
2887 clear_bit(JOB_EVENT, &ai->flags);
2888 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2890 wrqu.data.length = 0;
2891 wrqu.data.flags = 0;
2892 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2893 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2895 /* Send event to user space */
2896 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2899 static int airo_thread(void *data) {
2900 struct net_device *dev = data;
2901 struct airo_info *ai = dev->priv;
2904 daemonize("%s", dev->name);
2905 allow_signal(SIGTERM);
2908 if (signal_pending(current))
2909 flush_signals(current);
2911 /* make swsusp happy with our thread */
2914 if (test_bit(JOB_DIE, &ai->flags))
2917 if (ai->flags & JOB_MASK) {
2918 locked = down_interruptible(&ai->sem);
2922 init_waitqueue_entry(&wait, current);
2923 add_wait_queue(&ai->thr_wait, &wait);
2925 set_current_state(TASK_INTERRUPTIBLE);
2926 if (ai->flags & JOB_MASK)
2929 if (time_after_eq(jiffies,ai->expires)){
2930 set_bit(JOB_AUTOWEP,&ai->flags);
2933 if (!signal_pending(current)) {
2934 schedule_timeout(ai->expires - jiffies);
2937 } else if (!signal_pending(current)) {
2943 current->state = TASK_RUNNING;
2944 remove_wait_queue(&ai->thr_wait, &wait);
2951 if (test_bit(JOB_DIE, &ai->flags)) {
2956 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
2961 if (test_bit(JOB_XMIT, &ai->flags))
2963 else if (test_bit(JOB_XMIT11, &ai->flags))
2964 airo_end_xmit11(dev);
2965 else if (test_bit(JOB_STATS, &ai->flags))
2966 airo_read_stats(ai);
2967 else if (test_bit(JOB_WSTATS, &ai->flags))
2968 airo_read_wireless_stats(ai);
2969 else if (test_bit(JOB_PROMISC, &ai->flags))
2970 airo_set_promisc(ai);
2972 else if (test_bit(JOB_MIC, &ai->flags))
2975 else if (test_bit(JOB_EVENT, &ai->flags))
2976 airo_send_event(dev);
2977 else if (test_bit(JOB_AUTOWEP, &ai->flags))
2980 complete_and_exit (&ai->thr_exited, 0);
2983 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
2984 struct net_device *dev = (struct net_device *)dev_id;
2987 struct airo_info *apriv = dev->priv;
2988 u16 savedInterrupts = 0;
2991 if (!netif_device_present(dev))
2995 status = IN4500( apriv, EVSTAT );
2996 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3000 if ( status & EV_AWAKE ) {
3001 OUT4500( apriv, EVACK, EV_AWAKE );
3002 OUT4500( apriv, EVACK, EV_AWAKE );
3005 if (!savedInterrupts) {
3006 savedInterrupts = IN4500( apriv, EVINTEN );
3007 OUT4500( apriv, EVINTEN, 0 );
3010 if ( status & EV_MIC ) {
3011 OUT4500( apriv, EVACK, EV_MIC );
3013 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3014 set_bit(JOB_MIC, &apriv->flags);
3015 wake_up_interruptible(&apriv->thr_wait);
3019 if ( status & EV_LINK ) {
3020 union iwreq_data wrqu;
3021 /* The link status has changed, if you want to put a
3022 monitor hook in, do it here. (Remember that
3023 interrupts are still disabled!)
3025 u16 newStatus = IN4500(apriv, LINKSTAT);
3026 OUT4500( apriv, EVACK, EV_LINK);
3027 /* Here is what newStatus means: */
3028 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3029 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3030 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3031 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3032 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3033 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3034 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3035 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3037 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3039 #define ASSOCIATED 0x0400 /* Assocatied */
3040 #define RC_RESERVED 0 /* Reserved return code */
3041 #define RC_NOREASON 1 /* Unspecified reason */
3042 #define RC_AUTHINV 2 /* Previous authentication invalid */
3043 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3045 #define RC_NOACT 4 /* Disassociated due to inactivity */
3046 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3047 all currently associated stations */
3048 #define RC_BADCLASS2 6 /* Class 2 frame received from
3049 non-Authenticated station */
3050 #define RC_BADCLASS3 7 /* Class 3 frame received from
3051 non-Associated station */
3052 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3054 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3055 Authenticated with the responding station */
3056 if (newStatus != ASSOCIATED) {
3057 if (auto_wep && !apriv->expires) {
3058 apriv->expires = RUN_AT(3*HZ);
3059 wake_up_interruptible(&apriv->thr_wait);
3062 struct task_struct *task = apriv->task;
3066 wake_up_process (task);
3067 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3068 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3070 /* Question : is ASSOCIATED the only status
3071 * that is valid ? We want to catch handover
3072 * and reassociations as valid status
3074 if(newStatus == ASSOCIATED) {
3075 if (apriv->scan_timestamp) {
3076 /* Send an empty event to user space.
3077 * We don't send the received data on
3078 * the event because it would require
3079 * us to do complex transcoding, and
3080 * we want to minimise the work done in
3081 * the irq handler. Use a request to
3082 * extract the data - Jean II */
3083 wrqu.data.length = 0;
3084 wrqu.data.flags = 0;
3085 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
3086 apriv->scan_timestamp = 0;
3088 if (down_trylock(&apriv->sem) != 0) {
3089 set_bit(JOB_EVENT, &apriv->flags);
3090 wake_up_interruptible(&apriv->thr_wait);
3092 airo_send_event(dev);
3094 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3095 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3097 /* Send event to user space */
3098 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3102 /* Check to see if there is something to receive */
3103 if ( status & EV_RX ) {
3104 struct sk_buff *skb = NULL;
3105 u16 fc, len, hdrlen = 0;
3119 if (test_bit(FLAG_MPI,&apriv->flags)) {
3120 if (test_bit(FLAG_802_11, &apriv->flags))
3121 mpi_receive_802_11(apriv);
3123 mpi_receive_802_3(apriv);
3124 OUT4500(apriv, EVACK, EV_RX);
3128 fid = IN4500( apriv, RXFID );
3130 /* Get the packet length */
3131 if (test_bit(FLAG_802_11, &apriv->flags)) {
3132 bap_setup (apriv, fid, 4, BAP0);
3133 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3134 /* Bad CRC. Ignore packet */
3135 if (le16_to_cpu(hdr.status) & 2)
3137 if (apriv->wifidev == NULL)
3140 bap_setup (apriv, fid, 0x36, BAP0);
3141 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3143 len = le16_to_cpu(hdr.len);
3146 printk( KERN_ERR "airo: Bad size %d\n", len );
3152 if (test_bit(FLAG_802_11, &apriv->flags)) {
3153 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3154 fc = le16_to_cpu(fc);
3157 if ((fc & 0xe0) == 0xc0)
3163 if ((fc&0x300)==0x300){
3171 hdrlen = ETH_ALEN * 2;
3173 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3175 apriv->stats.rx_dropped++;
3178 skb_reserve(skb, 2); /* This way the IP header is aligned */
3179 buffer = (u16*)skb_put (skb, len + hdrlen);
3180 if (test_bit(FLAG_802_11, &apriv->flags)) {
3182 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3184 bap_read (apriv, tmpbuf, 6, BAP0);
3186 bap_read (apriv, &gap, sizeof(gap), BAP0);
3187 gap = le16_to_cpu(gap);
3190 bap_read (apriv, tmpbuf, gap, BAP0);
3192 printk(KERN_ERR "airo: gaplen too big. Problems will follow...\n");
3194 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3199 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3201 if (apriv->micstats.enabled) {
3202 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3203 if (ntohs(micbuf.typelen) > 0x05DC)
3204 bap_setup (apriv, fid, 0x44, BAP0);
3206 if (len <= sizeof(micbuf))
3209 len -= sizeof(micbuf);
3210 skb_trim (skb, len + hdrlen);
3214 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3216 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3218 dev_kfree_skb_irq (skb);
3223 OUT4500( apriv, EVACK, EV_RX);
3228 if (apriv->spy_data.spy_number > 0) {
3230 struct iw_quality wstats;
3231 /* Prepare spy data : addr + qual */
3232 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3233 sa = (char*)buffer + 6;
3234 bap_setup (apriv, fid, 8, BAP0);
3235 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3237 sa = (char*)buffer + 10;
3238 wstats.qual = hdr.rssi[0];
3240 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3242 wstats.level = (hdr.rssi[1] + 321) / 2;
3243 wstats.noise = apriv->wstats.qual.noise;
3244 wstats.updated = IW_QUAL_LEVEL_UPDATED
3245 | IW_QUAL_QUAL_UPDATED
3247 /* Update spy records */
3248 wireless_spy_update(dev, sa, &wstats);
3250 #endif /* WIRELESS_SPY */
3251 OUT4500( apriv, EVACK, EV_RX);
3253 if (test_bit(FLAG_802_11, &apriv->flags)) {
3254 skb->mac.raw = skb->data;
3255 skb->pkt_type = PACKET_OTHERHOST;
3256 skb->dev = apriv->wifidev;
3257 skb->protocol = htons(ETH_P_802_2);
3260 skb->protocol = eth_type_trans(skb,dev);
3262 skb->dev->last_rx = jiffies;
3263 skb->ip_summed = CHECKSUM_NONE;
3269 /* Check to see if a packet has been transmitted */
3270 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3275 if (test_bit(FLAG_MPI,&apriv->flags)) {
3276 unsigned long flags;
3278 if (status & EV_TXEXC)
3279 get_tx_error(apriv, -1);
3280 spin_lock_irqsave(&apriv->aux_lock, flags);
3281 if (!skb_queue_empty(&apriv->txq)) {
3282 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3283 mpi_send_packet (dev);
3285 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3286 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3287 netif_wake_queue (dev);
3289 OUT4500( apriv, EVACK,
3290 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3294 fid = IN4500(apriv, TXCOMPLFID);
3296 for( i = 0; i < MAX_FIDS; i++ ) {
3297 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3298 len = apriv->fids[i] >> 16;
3303 if (status & EV_TXEXC)
3304 get_tx_error(apriv, index);
3305 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3306 /* Set up to be used again */
3307 apriv->fids[index] &= 0xffff;
3308 if (index < MAX_FIDS / 2) {
3309 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3310 netif_wake_queue(dev);
3312 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3313 netif_wake_queue(apriv->wifidev);
3316 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3317 printk( KERN_ERR "airo: Unallocated FID was used to xmit\n" );
3321 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3322 printk( KERN_WARNING "airo: Got weird status %x\n",
3323 status & ~STATUS_INTS & ~IGNORE_INTS );
3326 if (savedInterrupts)
3327 OUT4500( apriv, EVINTEN, savedInterrupts );
3330 return IRQ_RETVAL(handled);
3334 * Routines to talk to the card
3338 * This was originally written for the 4500, hence the name
3339 * NOTE: If use with 8bit mode and SMP bad things will happen!
3340 * Why would some one do 8 bit IO in an SMP machine?!?
3342 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3343 if (test_bit(FLAG_MPI,&ai->flags))
3346 outw( val, ai->dev->base_addr + reg );
3348 outb( val & 0xff, ai->dev->base_addr + reg );
3349 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3353 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3356 if (test_bit(FLAG_MPI,&ai->flags))
3359 rc = inw( ai->dev->base_addr + reg );
3361 rc = inb( ai->dev->base_addr + reg );
3362 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3367 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3371 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3372 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3373 * Note : we could try to use !netif_running(dev) in enable_MAC()
3374 * instead of this flag, but I don't trust it *within* the
3375 * open/close functions, and testing both flags together is
3376 * "cheaper" - Jean II */
3377 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3379 if (lock && down_interruptible(&ai->sem))
3380 return -ERESTARTSYS;
3382 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3383 memset(&cmd, 0, sizeof(cmd));
3384 cmd.cmd = MAC_ENABLE;
3385 rc = issuecommand(ai, &cmd, rsp);
3387 set_bit(FLAG_ENABLED, &ai->flags);
3395 printk(KERN_ERR "%s: Cannot enable MAC, err=%d\n",
3400 static void disable_MAC( struct airo_info *ai, int lock ) {
3404 if (lock && down_interruptible(&ai->sem))
3407 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3408 memset(&cmd, 0, sizeof(cmd));
3409 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3410 issuecommand(ai, &cmd, &rsp);
3411 clear_bit(FLAG_ENABLED, &ai->flags);
3417 static void enable_interrupts( struct airo_info *ai ) {
3418 /* Enable the interrupts */
3419 OUT4500( ai, EVINTEN, STATUS_INTS );
3422 static void disable_interrupts( struct airo_info *ai ) {
3423 OUT4500( ai, EVINTEN, 0 );
3426 static void mpi_receive_802_3(struct airo_info *ai)
3430 struct sk_buff *skb;
3437 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3438 /* Make sure we got something */
3439 if (rxd.rdy && rxd.valid == 0) {
3441 if (len < 12 || len > 2048)
3444 skb = dev_alloc_skb(len);
3446 ai->stats.rx_dropped++;
3449 buffer = skb_put(skb,len);
3451 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3452 if (ai->micstats.enabled) {
3454 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3456 if (ntohs(micbuf.typelen) <= 0x05DC) {
3457 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3460 off = sizeof(micbuf);
3461 skb_trim (skb, len - off);
3464 memcpy(buffer + ETH_ALEN * 2,
3465 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3466 len - ETH_ALEN * 2 - off);
3467 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3469 dev_kfree_skb_irq (skb);
3473 memcpy(buffer, ai->rxfids[0].virtual_host_addr, len);
3476 if (ai->spy_data.spy_number > 0) {
3478 struct iw_quality wstats;
3479 /* Prepare spy data : addr + qual */
3480 sa = buffer + ETH_ALEN;
3481 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3484 /* Update spy records */
3485 wireless_spy_update(ai->dev, sa, &wstats);
3487 #endif /* WIRELESS_SPY */
3490 skb->ip_summed = CHECKSUM_NONE;
3491 skb->protocol = eth_type_trans(skb, ai->dev);
3492 skb->dev->last_rx = jiffies;
3496 if (rxd.valid == 0) {
3500 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3504 void mpi_receive_802_11 (struct airo_info *ai)
3507 struct sk_buff *skb = NULL;
3508 u16 fc, len, hdrlen = 0;
3520 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3522 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3523 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3525 /* Bad CRC. Ignore packet */
3526 if (le16_to_cpu(hdr.status) & 2)
3528 if (ai->wifidev == NULL)
3530 len = le16_to_cpu(hdr.len);
3532 printk( KERN_ERR "airo: Bad size %d\n", len );
3538 memcpy ((char *)&fc, ptr, sizeof(fc));
3539 fc = le16_to_cpu(fc);
3542 if ((fc & 0xe0) == 0xc0)
3548 if ((fc&0x300)==0x300){
3556 skb = dev_alloc_skb( len + hdrlen + 2 );
3558 ai->stats.rx_dropped++;
3561 buffer = (u16*)skb_put (skb, len + hdrlen);
3562 memcpy ((char *)buffer, ptr, hdrlen);
3566 memcpy ((char *)&gap, ptr, sizeof(gap));
3568 gap = le16_to_cpu(gap);
3574 "airo: gaplen too big. Problems will follow...\n");
3576 memcpy ((char *)buffer + hdrlen, ptr, len);
3578 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3579 if (ai->spy_data.spy_number > 0) {
3581 struct iw_quality wstats;
3582 /* Prepare spy data : addr + qual */
3583 sa = (char*)buffer + 10;
3584 wstats.qual = hdr.rssi[0];
3586 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3588 wstats.level = (hdr.rssi[1] + 321) / 2;
3589 wstats.noise = ai->wstats.qual.noise;
3590 wstats.updated = IW_QUAL_QUAL_UPDATED
3591 | IW_QUAL_LEVEL_UPDATED
3593 /* Update spy records */
3594 wireless_spy_update(ai->dev, sa, &wstats);
3596 #endif /* IW_WIRELESS_SPY */
3597 skb->mac.raw = skb->data;
3598 skb->pkt_type = PACKET_OTHERHOST;
3599 skb->dev = ai->wifidev;
3600 skb->protocol = htons(ETH_P_802_2);
3601 skb->dev->last_rx = jiffies;
3602 skb->ip_summed = CHECKSUM_NONE;
3605 if (rxd.valid == 0) {
3609 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3613 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3624 memset( &mySsid, 0, sizeof( mySsid ) );
3628 /* The NOP is the first step in getting the card going */
3630 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3631 if (lock && down_interruptible(&ai->sem))
3633 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3638 disable_MAC( ai, 0);
3640 // Let's figure out if we need to use the AUX port
3641 if (!test_bit(FLAG_MPI,&ai->flags)) {
3642 cmd.cmd = CMD_ENABLEAUX;
3643 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3646 printk(KERN_ERR "airo: Error checking for AUX port\n");
3649 if (!aux_bap || rsp.status & 0xff00) {
3650 ai->bap_read = fast_bap_read;
3651 printk(KERN_DEBUG "airo: Doing fast bap_reads\n");
3653 ai->bap_read = aux_bap_read;
3654 printk(KERN_DEBUG "airo: Doing AUX bap_reads\n");
3659 if (ai->config.len == 0) {
3660 tdsRssiRid rssi_rid;
3661 CapabilityRid cap_rid;
3667 // general configuration (read/modify/write)
3668 status = readConfigRid(ai, lock);
3669 if ( status != SUCCESS ) return ERROR;
3671 status = readCapabilityRid(ai, &cap_rid, lock);
3672 if ( status != SUCCESS ) return ERROR;
3674 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3675 if ( status == SUCCESS ) {
3676 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3677 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3682 if (cap_rid.softCap & 8)
3683 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3685 printk(KERN_WARNING "airo: unknown received signal level scale\n");
3687 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3688 ai->config.authType = AUTH_OPEN;
3689 ai->config.modulation = MOD_CCK;
3692 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3693 (micsetup(ai) == SUCCESS)) {
3694 ai->config.opmode |= MODE_MIC;
3695 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3699 /* Save off the MAC */
3700 for( i = 0; i < ETH_ALEN; i++ ) {
3701 mac[i] = ai->config.macAddr[i];
3704 /* Check to see if there are any insmod configured
3708 memset(ai->config.rates,0,sizeof(ai->config.rates));
3709 for( i = 0; i < 8 && rates[i]; i++ ) {
3710 ai->config.rates[i] = rates[i];
3713 if ( basic_rate > 0 ) {
3715 for( i = 0; i < 8; i++ ) {
3716 if ( ai->config.rates[i] == basic_rate ||
3717 !ai->config.rates ) {
3718 ai->config.rates[i] = basic_rate | 0x80;
3723 set_bit (FLAG_COMMIT, &ai->flags);
3726 /* Setup the SSIDs if present */
3729 for( i = 0; i < 3 && ssids[i]; i++ ) {
3730 mySsid.ssids[i].len = strlen(ssids[i]);
3731 if ( mySsid.ssids[i].len > 32 )
3732 mySsid.ssids[i].len = 32;
3733 memcpy(mySsid.ssids[i].ssid, ssids[i],
3734 mySsid.ssids[i].len);
3736 mySsid.len = sizeof(mySsid);
3739 status = writeConfigRid(ai, lock);
3740 if ( status != SUCCESS ) return ERROR;
3742 /* Set up the SSID list */
3744 status = writeSsidRid(ai, &mySsid, lock);
3745 if ( status != SUCCESS ) return ERROR;
3748 status = enable_MAC(ai, &rsp, lock);
3749 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3750 printk( KERN_ERR "airo: Bad MAC enable reason = %x, rid = %x, offset = %d\n", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3754 /* Grab the initial wep key, we gotta save it for auto_wep */
3755 rc = readWepKeyRid(ai, &wkr, 1, lock);
3756 if (rc == SUCCESS) do {
3757 lastindex = wkr.kindex;
3758 if (wkr.kindex == 0xffff) {
3759 ai->defindex = wkr.mac[0];
3761 rc = readWepKeyRid(ai, &wkr, 0, lock);
3762 } while(lastindex != wkr.kindex);
3765 ai->expires = RUN_AT(3*HZ);
3766 wake_up_interruptible(&ai->thr_wait);
3772 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3773 // Im really paranoid about letting it run forever!
3774 int max_tries = 600000;
3776 if (IN4500(ai, EVSTAT) & EV_CMD)
3777 OUT4500(ai, EVACK, EV_CMD);
3779 OUT4500(ai, PARAM0, pCmd->parm0);
3780 OUT4500(ai, PARAM1, pCmd->parm1);
3781 OUT4500(ai, PARAM2, pCmd->parm2);
3782 OUT4500(ai, COMMAND, pCmd->cmd);
3784 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3785 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3786 // PC4500 didn't notice command, try again
3787 OUT4500(ai, COMMAND, pCmd->cmd);
3788 if (!in_atomic() && (max_tries & 255) == 0)
3792 if ( max_tries == -1 ) {
3794 "airo: Max tries exceeded when issueing command\n" );
3795 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3796 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3800 // command completed
3801 pRsp->status = IN4500(ai, STATUS);
3802 pRsp->rsp0 = IN4500(ai, RESP0);
3803 pRsp->rsp1 = IN4500(ai, RESP1);
3804 pRsp->rsp2 = IN4500(ai, RESP2);
3805 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3806 printk (KERN_ERR "airo: cmd= %x\n", pCmd->cmd);
3807 printk (KERN_ERR "airo: status= %x\n", pRsp->status);
3808 printk (KERN_ERR "airo: Rsp0= %x\n", pRsp->rsp0);
3809 printk (KERN_ERR "airo: Rsp1= %x\n", pRsp->rsp1);
3810 printk (KERN_ERR "airo: Rsp2= %x\n", pRsp->rsp2);
3813 // clear stuck command busy if necessary
3814 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3815 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3817 // acknowledge processing the status/response
3818 OUT4500(ai, EVACK, EV_CMD);
3823 /* Sets up the bap to start exchange data. whichbap should
3824 * be one of the BAP0 or BAP1 defines. Locks should be held before
3826 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3831 OUT4500(ai, SELECT0+whichbap, rid);
3832 OUT4500(ai, OFFSET0+whichbap, offset);
3834 int status = IN4500(ai, OFFSET0+whichbap);
3835 if (status & BAP_BUSY) {
3836 /* This isn't really a timeout, but its kinda
3841 } else if ( status & BAP_ERR ) {
3842 /* invalid rid or offset */
3843 printk( KERN_ERR "airo: BAP error %x %d\n",
3846 } else if (status & BAP_DONE) { // success
3849 if ( !(max_tries--) ) {
3851 "airo: BAP setup error too many retries\n" );
3854 // -- PC4500 missed it, try again
3855 OUT4500(ai, SELECT0+whichbap, rid);
3856 OUT4500(ai, OFFSET0+whichbap, offset);
3861 /* should only be called by aux_bap_read. This aux function and the
3862 following use concepts not documented in the developers guide. I
3863 got them from a patch given to my by Aironet */
3864 static u16 aux_setup(struct airo_info *ai, u16 page,
3865 u16 offset, u16 *len)
3869 OUT4500(ai, AUXPAGE, page);
3870 OUT4500(ai, AUXOFF, 0);
3871 next = IN4500(ai, AUXDATA);
3872 *len = IN4500(ai, AUXDATA)&0xff;
3873 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3877 /* requires call to bap_setup() first */
3878 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
3879 int bytelen, int whichbap)
3887 unsigned long flags;
3889 spin_lock_irqsave(&ai->aux_lock, flags);
3890 page = IN4500(ai, SWS0+whichbap);
3891 offset = IN4500(ai, SWS2+whichbap);
3892 next = aux_setup(ai, page, offset, &len);
3893 words = (bytelen+1)>>1;
3895 for (i=0; i<words;) {
3897 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3899 insw( ai->dev->base_addr+DATA0+whichbap,
3902 insb( ai->dev->base_addr+DATA0+whichbap,
3903 pu16Dst+i, count << 1 );
3906 next = aux_setup(ai, next, 4, &len);
3909 spin_unlock_irqrestore(&ai->aux_lock, flags);
3914 /* requires call to bap_setup() first */
3915 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
3916 int bytelen, int whichbap)
3918 bytelen = (bytelen + 1) & (~1); // round up to even value
3920 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
3922 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
3926 /* requires call to bap_setup() first */
3927 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
3928 int bytelen, int whichbap)
3930 bytelen = (bytelen + 1) & (~1); // round up to even value
3932 outsw( ai->dev->base_addr+DATA0+whichbap,
3933 pu16Src, bytelen>>1 );
3935 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
3939 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
3941 Cmd cmd; /* for issuing commands */
3942 Resp rsp; /* response from commands */
3945 memset(&cmd, 0, sizeof(cmd));
3948 status = issuecommand(ai, &cmd, &rsp);
3949 if (status != 0) return status;
3950 if ( (rsp.status & 0x7F00) != 0) {
3951 return (accmd << 8) + (rsp.rsp0 & 0xFF);
3956 /* Note, that we are using BAP1 which is also used by transmit, so
3957 * we must get a lock. */
3958 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
3964 if (down_interruptible(&ai->sem))
3967 if (test_bit(FLAG_MPI,&ai->flags)) {
3971 memset(&cmd, 0, sizeof(cmd));
3972 memset(&rsp, 0, sizeof(rsp));
3973 ai->config_desc.rid_desc.valid = 1;
3974 ai->config_desc.rid_desc.len = RIDSIZE;
3975 ai->config_desc.rid_desc.rid = 0;
3976 ai->config_desc.rid_desc.host_addr = ai->ridbus;
3978 cmd.cmd = CMD_ACCESS;
3981 memcpy_toio(ai->config_desc.card_ram_off,
3982 &ai->config_desc.rid_desc, sizeof(Rid));
3984 rc = issuecommand(ai, &cmd, &rsp);
3986 if (rsp.status & 0x7f00)
3989 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
3992 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
3996 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4000 // read the rid length field
4001 bap_read(ai, pBuf, 2, BAP1);
4002 // length for remaining part of rid
4003 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4007 "airo: Rid %x has a length of %d which is too short\n",
4008 (int)rid, (int)len );
4012 // read remainder of the rid
4013 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4021 /* Note, that we are using BAP1 which is also used by transmit, so
4022 * make sure this isnt called when a transmit is happening */
4023 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4024 const void *pBuf, int len, int lock)
4029 *(u16*)pBuf = cpu_to_le16((u16)len);
4032 if (down_interruptible(&ai->sem))
4035 if (test_bit(FLAG_MPI,&ai->flags)) {
4039 if (test_bit(FLAG_ENABLED, &ai->flags))
4041 "%s: MAC should be disabled (rid=%04x)\n",
4043 memset(&cmd, 0, sizeof(cmd));
4044 memset(&rsp, 0, sizeof(rsp));
4046 ai->config_desc.rid_desc.valid = 1;
4047 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4048 ai->config_desc.rid_desc.rid = 0;
4050 cmd.cmd = CMD_WRITERID;
4053 memcpy_toio(ai->config_desc.card_ram_off,
4054 &ai->config_desc.rid_desc, sizeof(Rid));
4056 if (len < 4 || len > 2047) {
4057 printk(KERN_ERR "%s: len=%d\n",__FUNCTION__,len);
4060 memcpy((char *)ai->config_desc.virtual_host_addr,
4063 rc = issuecommand(ai, &cmd, &rsp);
4064 if ((rc & 0xff00) != 0) {
4065 printk(KERN_ERR "%s: Write rid Error %d\n",
4067 printk(KERN_ERR "%s: Cmd=%04x\n",
4068 __FUNCTION__,cmd.cmd);
4071 if ((rsp.status & 0x7f00))
4075 // --- first access so that we can write the rid data
4076 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4080 // --- now write the rid data
4081 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4085 bap_write(ai, pBuf, len, BAP1);
4086 // ---now commit the rid data
4087 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4095 /* Allocates a FID to be used for transmitting packets. We only use
4097 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4099 unsigned int loop = 3000;
4105 cmd.cmd = CMD_ALLOCATETX;
4106 cmd.parm0 = lenPayload;
4107 if (down_interruptible(&ai->sem))
4109 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4113 if ( (rsp.status & 0xFF00) != 0) {
4117 /* wait for the allocate event/indication
4118 * It makes me kind of nervous that this can just sit here and spin,
4119 * but in practice it only loops like four times. */
4120 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4126 // get the allocated fid and acknowledge
4127 txFid = IN4500(ai, TXALLOCFID);
4128 OUT4500(ai, EVACK, EV_ALLOC);
4130 /* The CARD is pretty cool since it converts the ethernet packet
4131 * into 802.11. Also note that we don't release the FID since we
4132 * will be using the same one over and over again. */
4133 /* We only have to setup the control once since we are not
4134 * releasing the fid. */
4136 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4137 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4139 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4140 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4141 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4144 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4152 /* In general BAP1 is dedicated to transmiting packets. However,
4153 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4154 Make sure the BAP1 spinlock is held when this is called. */
4155 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4166 if (len <= ETH_ALEN * 2) {
4167 printk( KERN_WARNING "Short packet %d\n", len );
4170 len -= ETH_ALEN * 2;
4173 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4174 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4175 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4177 miclen = sizeof(pMic);
4181 // packet is destination[6], source[6], payload[len-12]
4182 // write the payload length and dst/src/payload
4183 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4184 /* The hardware addresses aren't counted as part of the payload, so
4185 * we have to subtract the 12 bytes for the addresses off */
4186 payloadLen = cpu_to_le16(len + miclen);
4187 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4188 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4190 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4191 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4192 // issue the transmit command
4193 memset( &cmd, 0, sizeof( cmd ) );
4194 cmd.cmd = CMD_TRANSMIT;
4196 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4197 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4201 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4216 fc = le16_to_cpu(*(const u16*)pPacket);
4219 if ((fc & 0xe0) == 0xc0)
4225 if ((fc&0x300)==0x300){
4234 printk( KERN_WARNING "Short packet %d\n", len );
4238 /* packet is 802.11 header + payload
4239 * write the payload length and dst/src/payload */
4240 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4241 /* The 802.11 header aren't counted as part of the payload, so
4242 * we have to subtract the header bytes off */
4243 payloadLen = cpu_to_le16(len-hdrlen);
4244 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4245 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4246 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4247 bap_write(ai, hdrlen == 30 ?
4248 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4250 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4251 // issue the transmit command
4252 memset( &cmd, 0, sizeof( cmd ) );
4253 cmd.cmd = CMD_TRANSMIT;
4255 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4256 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4261 * This is the proc_fs routines. It is a bit messier than I would
4262 * like! Feel free to clean it up!
4265 static ssize_t proc_read( struct file *file,
4266 char __user *buffer,
4270 static ssize_t proc_write( struct file *file,
4271 const char __user *buffer,
4274 static int proc_close( struct inode *inode, struct file *file );
4276 static int proc_stats_open( struct inode *inode, struct file *file );
4277 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4278 static int proc_status_open( struct inode *inode, struct file *file );
4279 static int proc_SSID_open( struct inode *inode, struct file *file );
4280 static int proc_APList_open( struct inode *inode, struct file *file );
4281 static int proc_BSSList_open( struct inode *inode, struct file *file );
4282 static int proc_config_open( struct inode *inode, struct file *file );
4283 static int proc_wepkey_open( struct inode *inode, struct file *file );
4285 static struct file_operations proc_statsdelta_ops = {
4287 .open = proc_statsdelta_open,
4288 .release = proc_close
4291 static struct file_operations proc_stats_ops = {
4293 .open = proc_stats_open,
4294 .release = proc_close
4297 static struct file_operations proc_status_ops = {
4299 .open = proc_status_open,
4300 .release = proc_close
4303 static struct file_operations proc_SSID_ops = {
4305 .write = proc_write,
4306 .open = proc_SSID_open,
4307 .release = proc_close
4310 static struct file_operations proc_BSSList_ops = {
4312 .write = proc_write,
4313 .open = proc_BSSList_open,
4314 .release = proc_close
4317 static struct file_operations proc_APList_ops = {
4319 .write = proc_write,
4320 .open = proc_APList_open,
4321 .release = proc_close
4324 static struct file_operations proc_config_ops = {
4326 .write = proc_write,
4327 .open = proc_config_open,
4328 .release = proc_close
4331 static struct file_operations proc_wepkey_ops = {
4333 .write = proc_write,
4334 .open = proc_wepkey_open,
4335 .release = proc_close
4338 static struct proc_dir_entry *airo_entry;
4347 void (*on_close) (struct inode *, struct file *);
4351 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4354 static int setup_proc_entry( struct net_device *dev,
4355 struct airo_info *apriv ) {
4356 struct proc_dir_entry *entry;
4357 /* First setup the device directory */
4358 strcpy(apriv->proc_name,dev->name);
4359 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4362 apriv->proc_entry->uid = proc_uid;
4363 apriv->proc_entry->gid = proc_gid;
4364 apriv->proc_entry->owner = THIS_MODULE;
4366 /* Setup the StatsDelta */
4367 entry = create_proc_entry("StatsDelta",
4368 S_IFREG | (S_IRUGO&proc_perm),
4370 entry->uid = proc_uid;
4371 entry->gid = proc_gid;
4373 entry->owner = THIS_MODULE;
4374 SETPROC_OPS(entry, proc_statsdelta_ops);
4376 /* Setup the Stats */
4377 entry = create_proc_entry("Stats",
4378 S_IFREG | (S_IRUGO&proc_perm),
4380 entry->uid = proc_uid;
4381 entry->gid = proc_gid;
4383 entry->owner = THIS_MODULE;
4384 SETPROC_OPS(entry, proc_stats_ops);
4386 /* Setup the Status */
4387 entry = create_proc_entry("Status",
4388 S_IFREG | (S_IRUGO&proc_perm),
4390 entry->uid = proc_uid;
4391 entry->gid = proc_gid;
4393 entry->owner = THIS_MODULE;
4394 SETPROC_OPS(entry, proc_status_ops);
4396 /* Setup the Config */
4397 entry = create_proc_entry("Config",
4398 S_IFREG | proc_perm,
4400 entry->uid = proc_uid;
4401 entry->gid = proc_gid;
4403 entry->owner = THIS_MODULE;
4404 SETPROC_OPS(entry, proc_config_ops);
4406 /* Setup the SSID */
4407 entry = create_proc_entry("SSID",
4408 S_IFREG | proc_perm,
4410 entry->uid = proc_uid;
4411 entry->gid = proc_gid;
4413 entry->owner = THIS_MODULE;
4414 SETPROC_OPS(entry, proc_SSID_ops);
4416 /* Setup the APList */
4417 entry = create_proc_entry("APList",
4418 S_IFREG | proc_perm,
4420 entry->uid = proc_uid;
4421 entry->gid = proc_gid;
4423 entry->owner = THIS_MODULE;
4424 SETPROC_OPS(entry, proc_APList_ops);
4426 /* Setup the BSSList */
4427 entry = create_proc_entry("BSSList",
4428 S_IFREG | proc_perm,
4430 entry->uid = proc_uid;
4431 entry->gid = proc_gid;
4433 entry->owner = THIS_MODULE;
4434 SETPROC_OPS(entry, proc_BSSList_ops);
4436 /* Setup the WepKey */
4437 entry = create_proc_entry("WepKey",
4438 S_IFREG | proc_perm,
4440 entry->uid = proc_uid;
4441 entry->gid = proc_gid;
4443 entry->owner = THIS_MODULE;
4444 SETPROC_OPS(entry, proc_wepkey_ops);
4449 static int takedown_proc_entry( struct net_device *dev,
4450 struct airo_info *apriv ) {
4451 if ( !apriv->proc_entry->namelen ) return 0;
4452 remove_proc_entry("Stats",apriv->proc_entry);
4453 remove_proc_entry("StatsDelta",apriv->proc_entry);
4454 remove_proc_entry("Status",apriv->proc_entry);
4455 remove_proc_entry("Config",apriv->proc_entry);
4456 remove_proc_entry("SSID",apriv->proc_entry);
4457 remove_proc_entry("APList",apriv->proc_entry);
4458 remove_proc_entry("BSSList",apriv->proc_entry);
4459 remove_proc_entry("WepKey",apriv->proc_entry);
4460 remove_proc_entry(apriv->proc_name,airo_entry);
4465 * What we want from the proc_fs is to be able to efficiently read
4466 * and write the configuration. To do this, we want to read the
4467 * configuration when the file is opened and write it when the file is
4468 * closed. So basically we allocate a read buffer at open and fill it
4469 * with data, and allocate a write buffer and read it at close.
4473 * The read routine is generic, it relies on the preallocated rbuffer
4474 * to supply the data.
4476 static ssize_t proc_read( struct file *file,
4477 char __user *buffer,
4481 loff_t pos = *offset;
4482 struct proc_data *priv = (struct proc_data*)file->private_data;
4489 if (pos >= priv->readlen)
4491 if (len > priv->readlen - pos)
4492 len = priv->readlen - pos;
4493 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4495 *offset = pos + len;
4500 * The write routine is generic, it fills in a preallocated rbuffer
4501 * to supply the data.
4503 static ssize_t proc_write( struct file *file,
4504 const char __user *buffer,
4508 loff_t pos = *offset;
4509 struct proc_data *priv = (struct proc_data*)file->private_data;
4516 if (pos >= priv->maxwritelen)
4518 if (len > priv->maxwritelen - pos)
4519 len = priv->maxwritelen - pos;
4520 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4522 if ( pos + len > priv->writelen )
4523 priv->writelen = len + file->f_pos;
4524 *offset = pos + len;
4528 static int proc_status_open( struct inode *inode, struct file *file ) {
4529 struct proc_data *data;
4530 struct proc_dir_entry *dp = PDE(inode);
4531 struct net_device *dev = dp->data;
4532 struct airo_info *apriv = dev->priv;
4533 CapabilityRid cap_rid;
4534 StatusRid status_rid;
4537 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4539 memset(file->private_data, 0, sizeof(struct proc_data));
4540 data = (struct proc_data *)file->private_data;
4541 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4542 kfree (file->private_data);
4546 readStatusRid(apriv, &status_rid, 1);
4547 readCapabilityRid(apriv, &cap_rid, 1);
4549 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4550 status_rid.mode & 1 ? "CFG ": "",
4551 status_rid.mode & 2 ? "ACT ": "",
4552 status_rid.mode & 0x10 ? "SYN ": "",
4553 status_rid.mode & 0x20 ? "LNK ": "",
4554 status_rid.mode & 0x40 ? "LEAP ": "",
4555 status_rid.mode & 0x80 ? "PRIV ": "",
4556 status_rid.mode & 0x100 ? "KEY ": "",
4557 status_rid.mode & 0x200 ? "WEP ": "",
4558 status_rid.mode & 0x8000 ? "ERR ": "");
4559 sprintf( data->rbuffer+i, "Mode: %x\n"
4560 "Signal Strength: %d\n"
4561 "Signal Quality: %d\n"
4566 "Driver Version: %s\n"
4567 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4568 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4569 "Software Version: %x\nSoftware Subversion: %x\n"
4570 "Boot block version: %x\n",
4571 (int)status_rid.mode,
4572 (int)status_rid.normalizedSignalStrength,
4573 (int)status_rid.signalQuality,
4574 (int)status_rid.SSIDlen,
4577 (int)status_rid.channel,
4578 (int)status_rid.currentXmitRate/2,
4586 (int)cap_rid.softVer,
4587 (int)cap_rid.softSubVer,
4588 (int)cap_rid.bootBlockVer );
4589 data->readlen = strlen( data->rbuffer );
4593 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4594 static int proc_statsdelta_open( struct inode *inode,
4595 struct file *file ) {
4596 if (file->f_mode&FMODE_WRITE) {
4597 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4599 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4602 static int proc_stats_open( struct inode *inode, struct file *file ) {
4603 return proc_stats_rid_open(inode, file, RID_STATS);
4606 static int proc_stats_rid_open( struct inode *inode,
4609 struct proc_data *data;
4610 struct proc_dir_entry *dp = PDE(inode);
4611 struct net_device *dev = dp->data;
4612 struct airo_info *apriv = dev->priv;
4615 u32 *vals = stats.vals;
4617 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4619 memset(file->private_data, 0, sizeof(struct proc_data));
4620 data = (struct proc_data *)file->private_data;
4621 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4622 kfree (file->private_data);
4626 readStatsRid(apriv, &stats, rid, 1);
4629 for(i=0; statsLabels[i]!=(char *)-1 &&
4630 i*4<stats.len; i++){
4631 if (!statsLabels[i]) continue;
4632 if (j+strlen(statsLabels[i])+16>4096) {
4634 "airo: Potentially disasterous buffer overflow averted!\n");
4637 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4639 if (i*4>=stats.len){
4641 "airo: Got a short rid\n");
4647 static int get_dec_u16( char *buffer, int *start, int limit ) {
4650 for( value = 0; buffer[*start] >= '0' &&
4651 buffer[*start] <= '9' &&
4652 *start < limit; (*start)++ ) {
4655 value += buffer[*start] - '0';
4657 if ( !valid ) return -1;
4661 static int airo_config_commit(struct net_device *dev,
4662 struct iw_request_info *info, void *zwrq,
4665 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4666 struct proc_data *data = file->private_data;
4667 struct proc_dir_entry *dp = PDE(inode);
4668 struct net_device *dev = dp->data;
4669 struct airo_info *ai = dev->priv;
4672 if ( !data->writelen ) return;
4674 readConfigRid(ai, 1);
4675 set_bit (FLAG_COMMIT, &ai->flags);
4677 line = data->wbuffer;
4679 /*** Mode processing */
4680 if ( !strncmp( line, "Mode: ", 6 ) ) {
4682 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4683 set_bit (FLAG_RESET, &ai->flags);
4684 ai->config.rmode &= 0xfe00;
4685 clear_bit (FLAG_802_11, &ai->flags);
4686 ai->config.opmode &= 0xFF00;
4687 ai->config.scanMode = SCANMODE_ACTIVE;
4688 if ( line[0] == 'a' ) {
4689 ai->config.opmode |= 0;
4691 ai->config.opmode |= 1;
4692 if ( line[0] == 'r' ) {
4693 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4694 ai->config.scanMode = SCANMODE_PASSIVE;
4695 set_bit (FLAG_802_11, &ai->flags);
4696 } else if ( line[0] == 'y' ) {
4697 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4698 ai->config.scanMode = SCANMODE_PASSIVE;
4699 set_bit (FLAG_802_11, &ai->flags);
4700 } else if ( line[0] == 'l' )
4701 ai->config.rmode |= RXMODE_LANMON;
4703 set_bit (FLAG_COMMIT, &ai->flags);
4706 /*** Radio status */
4707 else if (!strncmp(line,"Radio: ", 7)) {
4709 if (!strncmp(line,"off",3)) {
4710 set_bit (FLAG_RADIO_OFF, &ai->flags);
4712 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4715 /*** NodeName processing */
4716 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4720 memset( ai->config.nodeName, 0, 16 );
4721 /* Do the name, assume a space between the mode and node name */
4722 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4723 ai->config.nodeName[j] = line[j];
4725 set_bit (FLAG_COMMIT, &ai->flags);
4728 /*** PowerMode processing */
4729 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4731 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4732 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4733 set_bit (FLAG_COMMIT, &ai->flags);
4734 } else if ( !strncmp( line, "PSP", 3 ) ) {
4735 ai->config.powerSaveMode = POWERSAVE_PSP;
4736 set_bit (FLAG_COMMIT, &ai->flags);
4738 ai->config.powerSaveMode = POWERSAVE_CAM;
4739 set_bit (FLAG_COMMIT, &ai->flags);
4741 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4742 int v, i = 0, k = 0; /* i is index into line,
4743 k is index to rates */
4746 while((v = get_dec_u16(line, &i, 3))!=-1) {
4747 ai->config.rates[k++] = (u8)v;
4751 set_bit (FLAG_COMMIT, &ai->flags);
4752 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4755 v = get_dec_u16(line, &i, i+3);
4757 ai->config.channelSet = (u16)v;
4758 set_bit (FLAG_COMMIT, &ai->flags);
4760 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4763 v = get_dec_u16(line, &i, i+3);
4765 ai->config.txPower = (u16)v;
4766 set_bit (FLAG_COMMIT, &ai->flags);
4768 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4772 ai->config.authType = (u16)AUTH_SHAREDKEY;
4775 ai->config.authType = (u16)AUTH_ENCRYPT;
4778 ai->config.authType = (u16)AUTH_OPEN;
4781 set_bit (FLAG_COMMIT, &ai->flags);
4782 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4786 v = get_dec_u16(line, &i, 3);
4787 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4788 ai->config.longRetryLimit = (u16)v;
4789 set_bit (FLAG_COMMIT, &ai->flags);
4790 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4794 v = get_dec_u16(line, &i, 3);
4795 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4796 ai->config.shortRetryLimit = (u16)v;
4797 set_bit (FLAG_COMMIT, &ai->flags);
4798 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4802 v = get_dec_u16(line, &i, 4);
4803 v = (v<0) ? 0 : ((v>2312) ? 2312 : v);
4804 ai->config.rtsThres = (u16)v;
4805 set_bit (FLAG_COMMIT, &ai->flags);
4806 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4810 v = get_dec_u16(line, &i, 5);
4812 ai->config.txLifetime = (u16)v;
4813 set_bit (FLAG_COMMIT, &ai->flags);
4814 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4818 v = get_dec_u16(line, &i, 5);
4820 ai->config.rxLifetime = (u16)v;
4821 set_bit (FLAG_COMMIT, &ai->flags);
4822 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4823 ai->config.txDiversity =
4824 (line[13]=='l') ? 1 :
4825 ((line[13]=='r')? 2: 3);
4826 set_bit (FLAG_COMMIT, &ai->flags);
4827 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4828 ai->config.rxDiversity =
4829 (line[13]=='l') ? 1 :
4830 ((line[13]=='r')? 2: 3);
4831 set_bit (FLAG_COMMIT, &ai->flags);
4832 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4836 v = get_dec_u16(line, &i, 4);
4837 v = (v<256) ? 256 : ((v>2312) ? 2312 : v);
4838 v = v & 0xfffe; /* Make sure its even */
4839 ai->config.fragThresh = (u16)v;
4840 set_bit (FLAG_COMMIT, &ai->flags);
4841 } else if (!strncmp(line, "Modulation: ", 12)) {
4844 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4845 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4846 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4848 printk( KERN_WARNING "airo: Unknown modulation\n" );
4850 } else if (!strncmp(line, "Preamble: ", 10)) {
4853 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4854 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4855 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4856 default: printk(KERN_WARNING "airo: Unknown preamble\n");
4859 printk( KERN_WARNING "Couldn't figure out %s\n", line );
4861 while( line[0] && line[0] != '\n' ) line++;
4862 if ( line[0] ) line++;
4864 airo_config_commit(dev, NULL, NULL, NULL);
4867 static char *get_rmode(u16 mode) {
4869 case RXMODE_RFMON: return "rfmon";
4870 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4871 case RXMODE_LANMON: return "lanmon";
4876 static int proc_config_open( struct inode *inode, struct file *file ) {
4877 struct proc_data *data;
4878 struct proc_dir_entry *dp = PDE(inode);
4879 struct net_device *dev = dp->data;
4880 struct airo_info *ai = dev->priv;
4883 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4885 memset(file->private_data, 0, sizeof(struct proc_data));
4886 data = (struct proc_data *)file->private_data;
4887 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4888 kfree (file->private_data);
4891 if ((data->wbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4892 kfree (data->rbuffer);
4893 kfree (file->private_data);
4896 memset( data->wbuffer, 0, 2048 );
4897 data->maxwritelen = 2048;
4898 data->on_close = proc_config_on_close;
4900 readConfigRid(ai, 1);
4902 i = sprintf( data->rbuffer,
4907 "DataRates: %d %d %d %d %d %d %d %d\n"
4910 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
4911 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
4912 (ai->config.opmode & 0xFF) == 2 ? "AP" :
4913 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
4914 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4915 ai->config.nodeName,
4916 ai->config.powerSaveMode == 0 ? "CAM" :
4917 ai->config.powerSaveMode == 1 ? "PSP" :
4918 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
4919 (int)ai->config.rates[0],
4920 (int)ai->config.rates[1],
4921 (int)ai->config.rates[2],
4922 (int)ai->config.rates[3],
4923 (int)ai->config.rates[4],
4924 (int)ai->config.rates[5],
4925 (int)ai->config.rates[6],
4926 (int)ai->config.rates[7],
4927 (int)ai->config.channelSet,
4928 (int)ai->config.txPower
4930 sprintf( data->rbuffer + i,
4931 "LongRetryLimit: %d\n"
4932 "ShortRetryLimit: %d\n"
4933 "RTSThreshold: %d\n"
4934 "TXMSDULifetime: %d\n"
4935 "RXMSDULifetime: %d\n"
4938 "FragThreshold: %d\n"
4942 (int)ai->config.longRetryLimit,
4943 (int)ai->config.shortRetryLimit,
4944 (int)ai->config.rtsThres,
4945 (int)ai->config.txLifetime,
4946 (int)ai->config.rxLifetime,
4947 ai->config.txDiversity == 1 ? "left" :
4948 ai->config.txDiversity == 2 ? "right" : "both",
4949 ai->config.rxDiversity == 1 ? "left" :
4950 ai->config.rxDiversity == 2 ? "right" : "both",
4951 (int)ai->config.fragThresh,
4952 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
4953 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
4954 ai->config.modulation == 0 ? "default" :
4955 ai->config.modulation == MOD_CCK ? "cck" :
4956 ai->config.modulation == MOD_MOK ? "mok" : "error",
4957 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
4958 ai->config.preamble == PREAMBLE_LONG ? "long" :
4959 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
4961 data->readlen = strlen( data->rbuffer );
4965 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
4966 struct proc_data *data = (struct proc_data *)file->private_data;
4967 struct proc_dir_entry *dp = PDE(inode);
4968 struct net_device *dev = dp->data;
4969 struct airo_info *ai = dev->priv;
4975 if ( !data->writelen ) return;
4977 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
4979 for( i = 0; i < 3; i++ ) {
4981 for( j = 0; j+offset < data->writelen && j < 32 &&
4982 data->wbuffer[offset+j] != '\n'; j++ ) {
4983 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
4985 if ( j == 0 ) break;
4986 SSID_rid.ssids[i].len = j;
4988 while( data->wbuffer[offset] != '\n' &&
4989 offset < data->writelen ) offset++;
4993 SSID_rid.len = sizeof(SSID_rid);
4995 writeSsidRid(ai, &SSID_rid, 1);
4996 enable_MAC(ai, &rsp, 1);
4999 static inline u8 hexVal(char c) {
5000 if (c>='0' && c<='9') return c -= '0';
5001 if (c>='a' && c<='f') return c -= 'a'-10;
5002 if (c>='A' && c<='F') return c -= 'A'-10;
5006 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5007 struct proc_data *data = (struct proc_data *)file->private_data;
5008 struct proc_dir_entry *dp = PDE(inode);
5009 struct net_device *dev = dp->data;
5010 struct airo_info *ai = dev->priv;
5011 APListRid APList_rid;
5015 if ( !data->writelen ) return;
5017 memset( &APList_rid, 0, sizeof(APList_rid) );
5018 APList_rid.len = sizeof(APList_rid);
5020 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5022 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5025 APList_rid.ap[i][j/3]=
5026 hexVal(data->wbuffer[j+i*6*3])<<4;
5029 APList_rid.ap[i][j/3]|=
5030 hexVal(data->wbuffer[j+i*6*3]);
5036 writeAPListRid(ai, &APList_rid, 1);
5037 enable_MAC(ai, &rsp, 1);
5040 /* This function wraps PC4500_writerid with a MAC disable */
5041 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5042 int len, int dummy ) {
5047 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5048 enable_MAC(ai, &rsp, 1);
5052 /* Returns the length of the key at the index. If index == 0xffff
5053 * the index of the transmit key is returned. If the key doesn't exist,
5054 * -1 will be returned.
5056 static int get_wep_key(struct airo_info *ai, u16 index) {
5061 rc = readWepKeyRid(ai, &wkr, 1, 1);
5062 if (rc == SUCCESS) do {
5063 lastindex = wkr.kindex;
5064 if (wkr.kindex == index) {
5065 if (index == 0xffff) {
5070 readWepKeyRid(ai, &wkr, 0, 1);
5071 } while(lastindex != wkr.kindex);
5075 static int set_wep_key(struct airo_info *ai, u16 index,
5076 const char *key, u16 keylen, int perm, int lock ) {
5077 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5081 memset(&wkr, 0, sizeof(wkr));
5083 // We are selecting which key to use
5084 wkr.len = sizeof(wkr);
5085 wkr.kindex = 0xffff;
5086 wkr.mac[0] = (char)index;
5087 if (perm) printk(KERN_INFO "Setting transmit key to %d\n", index);
5088 if (perm) ai->defindex = (char)index;
5090 // We are actually setting the key
5091 wkr.len = sizeof(wkr);
5094 memcpy( wkr.key, key, keylen );
5095 memcpy( wkr.mac, macaddr, ETH_ALEN );
5096 printk(KERN_INFO "Setting key %d\n", index);
5099 disable_MAC(ai, lock);
5100 writeWepKeyRid(ai, &wkr, perm, lock);
5101 enable_MAC(ai, &rsp, lock);
5105 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5106 struct proc_data *data;
5107 struct proc_dir_entry *dp = PDE(inode);
5108 struct net_device *dev = dp->data;
5109 struct airo_info *ai = dev->priv;
5115 memset(key, 0, sizeof(key));
5117 data = (struct proc_data *)file->private_data;
5118 if ( !data->writelen ) return;
5120 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5121 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5122 index = data->wbuffer[0] - '0';
5123 if (data->wbuffer[1] == '\n') {
5124 set_wep_key(ai, index, NULL, 0, 1, 1);
5129 printk(KERN_ERR "airo: WepKey passed invalid key index\n");
5133 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5136 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5139 key[i/3] |= hexVal(data->wbuffer[i+j]);
5143 set_wep_key(ai, index, key, i/3, 1, 1);
5146 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5147 struct proc_data *data;
5148 struct proc_dir_entry *dp = PDE(inode);
5149 struct net_device *dev = dp->data;
5150 struct airo_info *ai = dev->priv;
5157 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5159 memset(file->private_data, 0, sizeof(struct proc_data));
5160 memset(&wkr, 0, sizeof(wkr));
5161 data = (struct proc_data *)file->private_data;
5162 if ((data->rbuffer = kmalloc( 180, GFP_KERNEL )) == NULL) {
5163 kfree (file->private_data);
5166 memset(data->rbuffer, 0, 180);
5168 data->maxwritelen = 80;
5169 if ((data->wbuffer = kmalloc( 80, GFP_KERNEL )) == NULL) {
5170 kfree (data->rbuffer);
5171 kfree (file->private_data);
5174 memset( data->wbuffer, 0, 80 );
5175 data->on_close = proc_wepkey_on_close;
5177 ptr = data->rbuffer;
5178 strcpy(ptr, "No wep keys\n");
5179 rc = readWepKeyRid(ai, &wkr, 1, 1);
5180 if (rc == SUCCESS) do {
5181 lastindex = wkr.kindex;
5182 if (wkr.kindex == 0xffff) {
5183 j += sprintf(ptr+j, "Tx key = %d\n",
5186 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5187 (int)wkr.kindex, (int)wkr.klen);
5189 readWepKeyRid(ai, &wkr, 0, 1);
5190 } while((lastindex != wkr.kindex) && (j < 180-30));
5192 data->readlen = strlen( data->rbuffer );
5196 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5197 struct proc_data *data;
5198 struct proc_dir_entry *dp = PDE(inode);
5199 struct net_device *dev = dp->data;
5200 struct airo_info *ai = dev->priv;
5205 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5207 memset(file->private_data, 0, sizeof(struct proc_data));
5208 data = (struct proc_data *)file->private_data;
5209 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5210 kfree (file->private_data);
5214 data->maxwritelen = 33*3;
5215 if ((data->wbuffer = kmalloc( 33*3, GFP_KERNEL )) == NULL) {
5216 kfree (data->rbuffer);
5217 kfree (file->private_data);
5220 memset( data->wbuffer, 0, 33*3 );
5221 data->on_close = proc_SSID_on_close;
5223 readSsidRid(ai, &SSID_rid);
5224 ptr = data->rbuffer;
5225 for( i = 0; i < 3; i++ ) {
5227 if ( !SSID_rid.ssids[i].len ) break;
5228 for( j = 0; j < 32 &&
5229 j < SSID_rid.ssids[i].len &&
5230 SSID_rid.ssids[i].ssid[j]; j++ ) {
5231 *ptr++ = SSID_rid.ssids[i].ssid[j];
5236 data->readlen = strlen( data->rbuffer );
5240 static int proc_APList_open( struct inode *inode, struct file *file ) {
5241 struct proc_data *data;
5242 struct proc_dir_entry *dp = PDE(inode);
5243 struct net_device *dev = dp->data;
5244 struct airo_info *ai = dev->priv;
5247 APListRid APList_rid;
5249 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5251 memset(file->private_data, 0, sizeof(struct proc_data));
5252 data = (struct proc_data *)file->private_data;
5253 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5254 kfree (file->private_data);
5258 data->maxwritelen = 4*6*3;
5259 if ((data->wbuffer = kmalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5260 kfree (data->rbuffer);
5261 kfree (file->private_data);
5264 memset( data->wbuffer, 0, data->maxwritelen );
5265 data->on_close = proc_APList_on_close;
5267 readAPListRid(ai, &APList_rid);
5268 ptr = data->rbuffer;
5269 for( i = 0; i < 4; i++ ) {
5270 // We end when we find a zero MAC
5271 if ( !*(int*)APList_rid.ap[i] &&
5272 !*(int*)&APList_rid.ap[i][2]) break;
5273 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5274 (int)APList_rid.ap[i][0],
5275 (int)APList_rid.ap[i][1],
5276 (int)APList_rid.ap[i][2],
5277 (int)APList_rid.ap[i][3],
5278 (int)APList_rid.ap[i][4],
5279 (int)APList_rid.ap[i][5]);
5281 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5284 data->readlen = strlen( data->rbuffer );
5288 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5289 struct proc_data *data;
5290 struct proc_dir_entry *dp = PDE(inode);
5291 struct net_device *dev = dp->data;
5292 struct airo_info *ai = dev->priv;
5294 BSSListRid BSSList_rid;
5296 /* If doLoseSync is not 1, we won't do a Lose Sync */
5297 int doLoseSync = -1;
5299 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5301 memset(file->private_data, 0, sizeof(struct proc_data));
5302 data = (struct proc_data *)file->private_data;
5303 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5304 kfree (file->private_data);
5308 data->maxwritelen = 0;
5309 data->wbuffer = NULL;
5310 data->on_close = NULL;
5312 if (file->f_mode & FMODE_WRITE) {
5313 if (!(file->f_mode & FMODE_READ)) {
5317 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5318 memset(&cmd, 0, sizeof(cmd));
5319 cmd.cmd=CMD_LISTBSS;
5320 if (down_interruptible(&ai->sem))
5321 return -ERESTARTSYS;
5322 issuecommand(ai, &cmd, &rsp);
5329 ptr = data->rbuffer;
5330 /* There is a race condition here if there are concurrent opens.
5331 Since it is a rare condition, we'll just live with it, otherwise
5332 we have to add a spin lock... */
5333 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5334 while(rc == 0 && BSSList_rid.index != 0xffff) {
5335 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5336 (int)BSSList_rid.bssid[0],
5337 (int)BSSList_rid.bssid[1],
5338 (int)BSSList_rid.bssid[2],
5339 (int)BSSList_rid.bssid[3],
5340 (int)BSSList_rid.bssid[4],
5341 (int)BSSList_rid.bssid[5],
5342 (int)BSSList_rid.ssidLen,
5344 (int)BSSList_rid.dBm);
5345 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5346 (int)BSSList_rid.dsChannel,
5347 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5348 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5349 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5350 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5351 rc = readBSSListRid(ai, 0, &BSSList_rid);
5354 data->readlen = strlen( data->rbuffer );
5358 static int proc_close( struct inode *inode, struct file *file )
5360 struct proc_data *data = file->private_data;
5362 if (data->on_close != NULL)
5363 data->on_close(inode, file);
5364 kfree(data->rbuffer);
5365 kfree(data->wbuffer);
5370 static struct net_device_list {
5371 struct net_device *dev;
5372 struct net_device_list *next;
5375 /* Since the card doesn't automatically switch to the right WEP mode,
5376 we will make it do it. If the card isn't associated, every secs we
5377 will switch WEP modes to see if that will help. If the card is
5378 associated we will check every minute to see if anything has
5380 static void timer_func( struct net_device *dev ) {
5381 struct airo_info *apriv = dev->priv;
5384 /* We don't have a link so try changing the authtype */
5385 readConfigRid(apriv, 0);
5386 disable_MAC(apriv, 0);
5387 switch(apriv->config.authType) {
5389 /* So drop to OPEN */
5390 apriv->config.authType = AUTH_OPEN;
5392 case AUTH_SHAREDKEY:
5393 if (apriv->keyindex < auto_wep) {
5394 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5395 apriv->config.authType = AUTH_SHAREDKEY;
5398 /* Drop to ENCRYPT */
5399 apriv->keyindex = 0;
5400 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5401 apriv->config.authType = AUTH_ENCRYPT;
5404 default: /* We'll escalate to SHAREDKEY */
5405 apriv->config.authType = AUTH_SHAREDKEY;
5407 set_bit (FLAG_COMMIT, &apriv->flags);
5408 writeConfigRid(apriv, 0);
5409 enable_MAC(apriv, &rsp, 0);
5412 /* Schedule check to see if the change worked */
5413 clear_bit(JOB_AUTOWEP, &apriv->flags);
5414 apriv->expires = RUN_AT(HZ*3);
5417 static int add_airo_dev( struct net_device *dev ) {
5418 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5423 node->next = airo_devices;
5424 airo_devices = node;
5429 static void del_airo_dev( struct net_device *dev ) {
5430 struct net_device_list **p = &airo_devices;
5431 while( *p && ( (*p)->dev != dev ) )
5433 if ( *p && (*p)->dev == dev )
5438 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5439 const struct pci_device_id *pent)
5441 struct net_device *dev;
5443 if (pci_enable_device(pdev))
5445 pci_set_master(pdev);
5447 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5448 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5450 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5454 pci_set_drvdata(pdev, dev);
5458 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5462 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5464 struct net_device *dev = pci_get_drvdata(pdev);
5465 struct airo_info *ai = dev->priv;
5469 if ((ai->APList == NULL) &&
5470 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5472 if ((ai->SSID == NULL) &&
5473 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5475 readAPListRid(ai, ai->APList);
5476 readSsidRid(ai, ai->SSID);
5477 memset(&cmd, 0, sizeof(cmd));
5478 /* the lock will be released at the end of the resume callback */
5479 if (down_interruptible(&ai->sem))
5482 netif_device_detach(dev);
5485 issuecommand(ai, &cmd, &rsp);
5487 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5488 pci_save_state(pdev);
5489 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5492 static int airo_pci_resume(struct pci_dev *pdev)
5494 struct net_device *dev = pci_get_drvdata(pdev);
5495 struct airo_info *ai = dev->priv;
5497 pci_power_t prev_state = pdev->current_state;
5499 pci_set_power_state(pdev, PCI_D0);
5500 pci_restore_state(pdev);
5501 pci_enable_wake(pdev, PCI_D0, 0);
5503 if (prev_state != PCI_D1) {
5505 mpi_init_descriptors(ai);
5506 setup_card(ai, dev->dev_addr, 0);
5507 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5508 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5510 OUT4500(ai, EVACK, EV_AWAKEN);
5511 OUT4500(ai, EVACK, EV_AWAKEN);
5515 set_bit (FLAG_COMMIT, &ai->flags);
5519 writeSsidRid(ai, ai->SSID, 0);
5524 writeAPListRid(ai, ai->APList, 0);
5528 writeConfigRid(ai, 0);
5529 enable_MAC(ai, &rsp, 0);
5530 ai->power = PMSG_ON;
5531 netif_device_attach(dev);
5532 netif_wake_queue(dev);
5533 enable_interrupts(ai);
5539 static int __init airo_init_module( void )
5541 int i, have_isa_dev = 0;
5543 airo_entry = create_proc_entry("aironet",
5544 S_IFDIR | airo_perm,
5546 airo_entry->uid = proc_uid;
5547 airo_entry->gid = proc_gid;
5549 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5551 "airo: Trying to configure ISA adapter at irq=%d io=0x%x\n",
5553 if (init_airo_card( irq[i], io[i], 0, NULL ))
5558 printk( KERN_INFO "airo: Probing for PCI adapters\n" );
5559 pci_register_driver(&airo_driver);
5560 printk( KERN_INFO "airo: Finished probing for PCI adapters\n" );
5563 /* Always exit with success, as we are a library module
5564 * as well as a driver module
5569 static void __exit airo_cleanup_module( void )
5571 while( airo_devices ) {
5572 printk( KERN_INFO "airo: Unregistering %s\n", airo_devices->dev->name );
5573 stop_airo_card( airo_devices->dev, 1 );
5576 pci_unregister_driver(&airo_driver);
5578 remove_proc_entry("aironet", proc_root_driver);
5582 * Initial Wireless Extension code for Aironet driver by :
5583 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5584 * Conversion to new driver API by :
5585 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5586 * Javier also did a good amount of work here, adding some new extensions
5587 * and fixing my code. Let's just say that without him this code just
5588 * would not work at all... - Jean II
5591 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5596 return (0x100 - rssi_rid[rssi].rssidBm);
5599 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5606 for( i = 0; i < 256; i++ )
5607 if (rssi_rid[i].rssidBm == dbm)
5608 return rssi_rid[i].rssipct;
5614 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5618 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5619 if (memcmp(cap_rid->prodName, "350", 3))
5620 if (status_rid->signalQuality > 0x20)
5623 quality = 0x20 - status_rid->signalQuality;
5625 if (status_rid->signalQuality > 0xb0)
5627 else if (status_rid->signalQuality < 0x10)
5630 quality = 0xb0 - status_rid->signalQuality;
5635 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5636 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5638 /*------------------------------------------------------------------*/
5640 * Wireless Handler : get protocol name
5642 static int airo_get_name(struct net_device *dev,
5643 struct iw_request_info *info,
5647 strcpy(cwrq, "IEEE 802.11-DS");
5651 /*------------------------------------------------------------------*/
5653 * Wireless Handler : set frequency
5655 static int airo_set_freq(struct net_device *dev,
5656 struct iw_request_info *info,
5657 struct iw_freq *fwrq,
5660 struct airo_info *local = dev->priv;
5661 int rc = -EINPROGRESS; /* Call commit handler */
5663 /* If setting by frequency, convert to a channel */
5664 if((fwrq->e == 1) &&
5665 (fwrq->m >= (int) 2.412e8) &&
5666 (fwrq->m <= (int) 2.487e8)) {
5667 int f = fwrq->m / 100000;
5669 while((c < 14) && (f != frequency_list[c]))
5671 /* Hack to fall through... */
5675 /* Setting by channel number */
5676 if((fwrq->m > 1000) || (fwrq->e > 0))
5679 int channel = fwrq->m;
5680 /* We should do a better check than that,
5681 * based on the card capability !!! */
5682 if((channel < 1) || (channel > 16)) {
5683 printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
5686 readConfigRid(local, 1);
5687 /* Yes ! We can set it !!! */
5688 local->config.channelSet = (u16)(channel - 1);
5689 set_bit (FLAG_COMMIT, &local->flags);
5695 /*------------------------------------------------------------------*/
5697 * Wireless Handler : get frequency
5699 static int airo_get_freq(struct net_device *dev,
5700 struct iw_request_info *info,
5701 struct iw_freq *fwrq,
5704 struct airo_info *local = dev->priv;
5705 StatusRid status_rid; /* Card status info */
5707 readConfigRid(local, 1);
5708 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5709 status_rid.channel = local->config.channelSet;
5711 readStatusRid(local, &status_rid, 1);
5713 #ifdef WEXT_USECHANNELS
5714 fwrq->m = ((int)status_rid.channel) + 1;
5718 int f = (int)status_rid.channel;
5719 fwrq->m = frequency_list[f] * 100000;
5727 /*------------------------------------------------------------------*/
5729 * Wireless Handler : set ESSID
5731 static int airo_set_essid(struct net_device *dev,
5732 struct iw_request_info *info,
5733 struct iw_point *dwrq,
5736 struct airo_info *local = dev->priv;
5738 SsidRid SSID_rid; /* SSIDs */
5740 /* Reload the list of current SSID */
5741 readSsidRid(local, &SSID_rid);
5743 /* Check if we asked for `any' */
5744 if(dwrq->flags == 0) {
5745 /* Just send an empty SSID list */
5746 memset(&SSID_rid, 0, sizeof(SSID_rid));
5748 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5750 /* Check the size of the string */
5751 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5754 /* Check if index is valid */
5755 if((index < 0) || (index >= 4)) {
5760 memset(SSID_rid.ssids[index].ssid, 0,
5761 sizeof(SSID_rid.ssids[index].ssid));
5762 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5763 SSID_rid.ssids[index].len = dwrq->length - 1;
5765 SSID_rid.len = sizeof(SSID_rid);
5766 /* Write it to the card */
5767 disable_MAC(local, 1);
5768 writeSsidRid(local, &SSID_rid, 1);
5769 enable_MAC(local, &rsp, 1);
5774 /*------------------------------------------------------------------*/
5776 * Wireless Handler : get ESSID
5778 static int airo_get_essid(struct net_device *dev,
5779 struct iw_request_info *info,
5780 struct iw_point *dwrq,
5783 struct airo_info *local = dev->priv;
5784 StatusRid status_rid; /* Card status info */
5786 readStatusRid(local, &status_rid, 1);
5788 /* Note : if dwrq->flags != 0, we should
5789 * get the relevant SSID from the SSID list... */
5791 /* Get the current SSID */
5792 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5793 extra[status_rid.SSIDlen] = '\0';
5794 /* If none, we may want to get the one that was set */
5797 dwrq->length = status_rid.SSIDlen + 1;
5798 dwrq->flags = 1; /* active */
5803 /*------------------------------------------------------------------*/
5805 * Wireless Handler : set AP address
5807 static int airo_set_wap(struct net_device *dev,
5808 struct iw_request_info *info,
5809 struct sockaddr *awrq,
5812 struct airo_info *local = dev->priv;
5815 APListRid APList_rid;
5816 static const unsigned char bcast[ETH_ALEN] = { 255, 255, 255, 255, 255, 255 };
5818 if (awrq->sa_family != ARPHRD_ETHER)
5820 else if (!memcmp(bcast, awrq->sa_data, ETH_ALEN)) {
5821 memset(&cmd, 0, sizeof(cmd));
5822 cmd.cmd=CMD_LOSE_SYNC;
5823 if (down_interruptible(&local->sem))
5824 return -ERESTARTSYS;
5825 issuecommand(local, &cmd, &rsp);
5828 memset(&APList_rid, 0, sizeof(APList_rid));
5829 APList_rid.len = sizeof(APList_rid);
5830 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5831 disable_MAC(local, 1);
5832 writeAPListRid(local, &APList_rid, 1);
5833 enable_MAC(local, &rsp, 1);
5838 /*------------------------------------------------------------------*/
5840 * Wireless Handler : get AP address
5842 static int airo_get_wap(struct net_device *dev,
5843 struct iw_request_info *info,
5844 struct sockaddr *awrq,
5847 struct airo_info *local = dev->priv;
5848 StatusRid status_rid; /* Card status info */
5850 readStatusRid(local, &status_rid, 1);
5852 /* Tentative. This seems to work, wow, I'm lucky !!! */
5853 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5854 awrq->sa_family = ARPHRD_ETHER;
5859 /*------------------------------------------------------------------*/
5861 * Wireless Handler : set Nickname
5863 static int airo_set_nick(struct net_device *dev,
5864 struct iw_request_info *info,
5865 struct iw_point *dwrq,
5868 struct airo_info *local = dev->priv;
5870 /* Check the size of the string */
5871 if(dwrq->length > 16 + 1) {
5874 readConfigRid(local, 1);
5875 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5876 memcpy(local->config.nodeName, extra, dwrq->length);
5877 set_bit (FLAG_COMMIT, &local->flags);
5879 return -EINPROGRESS; /* Call commit handler */
5882 /*------------------------------------------------------------------*/
5884 * Wireless Handler : get Nickname
5886 static int airo_get_nick(struct net_device *dev,
5887 struct iw_request_info *info,
5888 struct iw_point *dwrq,
5891 struct airo_info *local = dev->priv;
5893 readConfigRid(local, 1);
5894 strncpy(extra, local->config.nodeName, 16);
5896 dwrq->length = strlen(extra) + 1;
5901 /*------------------------------------------------------------------*/
5903 * Wireless Handler : set Bit-Rate
5905 static int airo_set_rate(struct net_device *dev,
5906 struct iw_request_info *info,
5907 struct iw_param *vwrq,
5910 struct airo_info *local = dev->priv;
5911 CapabilityRid cap_rid; /* Card capability info */
5915 /* First : get a valid bit rate value */
5916 readCapabilityRid(local, &cap_rid, 1);
5918 /* Which type of value ? */
5919 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5920 /* Setting by rate index */
5921 /* Find value in the magic rate table */
5922 brate = cap_rid.supportedRates[vwrq->value];
5924 /* Setting by frequency value */
5925 u8 normvalue = (u8) (vwrq->value/500000);
5927 /* Check if rate is valid */
5928 for(i = 0 ; i < 8 ; i++) {
5929 if(normvalue == cap_rid.supportedRates[i]) {
5935 /* -1 designed the max rate (mostly auto mode) */
5936 if(vwrq->value == -1) {
5937 /* Get the highest available rate */
5938 for(i = 0 ; i < 8 ; i++) {
5939 if(cap_rid.supportedRates[i] == 0)
5943 brate = cap_rid.supportedRates[i - 1];
5945 /* Check that it is valid */
5950 readConfigRid(local, 1);
5951 /* Now, check if we want a fixed or auto value */
5952 if(vwrq->fixed == 0) {
5953 /* Fill all the rates up to this max rate */
5954 memset(local->config.rates, 0, 8);
5955 for(i = 0 ; i < 8 ; i++) {
5956 local->config.rates[i] = cap_rid.supportedRates[i];
5957 if(local->config.rates[i] == brate)
5962 /* One rate, fixed */
5963 memset(local->config.rates, 0, 8);
5964 local->config.rates[0] = brate;
5966 set_bit (FLAG_COMMIT, &local->flags);
5968 return -EINPROGRESS; /* Call commit handler */
5971 /*------------------------------------------------------------------*/
5973 * Wireless Handler : get Bit-Rate
5975 static int airo_get_rate(struct net_device *dev,
5976 struct iw_request_info *info,
5977 struct iw_param *vwrq,
5980 struct airo_info *local = dev->priv;
5981 StatusRid status_rid; /* Card status info */
5983 readStatusRid(local, &status_rid, 1);
5985 vwrq->value = status_rid.currentXmitRate * 500000;
5986 /* If more than one rate, set auto */
5987 readConfigRid(local, 1);
5988 vwrq->fixed = (local->config.rates[1] == 0);
5993 /*------------------------------------------------------------------*/
5995 * Wireless Handler : set RTS threshold
5997 static int airo_set_rts(struct net_device *dev,
5998 struct iw_request_info *info,
5999 struct iw_param *vwrq,
6002 struct airo_info *local = dev->priv;
6003 int rthr = vwrq->value;
6007 if((rthr < 0) || (rthr > 2312)) {
6010 readConfigRid(local, 1);
6011 local->config.rtsThres = rthr;
6012 set_bit (FLAG_COMMIT, &local->flags);
6014 return -EINPROGRESS; /* Call commit handler */
6017 /*------------------------------------------------------------------*/
6019 * Wireless Handler : get RTS threshold
6021 static int airo_get_rts(struct net_device *dev,
6022 struct iw_request_info *info,
6023 struct iw_param *vwrq,
6026 struct airo_info *local = dev->priv;
6028 readConfigRid(local, 1);
6029 vwrq->value = local->config.rtsThres;
6030 vwrq->disabled = (vwrq->value >= 2312);
6036 /*------------------------------------------------------------------*/
6038 * Wireless Handler : set Fragmentation threshold
6040 static int airo_set_frag(struct net_device *dev,
6041 struct iw_request_info *info,
6042 struct iw_param *vwrq,
6045 struct airo_info *local = dev->priv;
6046 int fthr = vwrq->value;
6050 if((fthr < 256) || (fthr > 2312)) {
6053 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6054 readConfigRid(local, 1);
6055 local->config.fragThresh = (u16)fthr;
6056 set_bit (FLAG_COMMIT, &local->flags);
6058 return -EINPROGRESS; /* Call commit handler */
6061 /*------------------------------------------------------------------*/
6063 * Wireless Handler : get Fragmentation threshold
6065 static int airo_get_frag(struct net_device *dev,
6066 struct iw_request_info *info,
6067 struct iw_param *vwrq,
6070 struct airo_info *local = dev->priv;
6072 readConfigRid(local, 1);
6073 vwrq->value = local->config.fragThresh;
6074 vwrq->disabled = (vwrq->value >= 2312);
6080 /*------------------------------------------------------------------*/
6082 * Wireless Handler : set Mode of Operation
6084 static int airo_set_mode(struct net_device *dev,
6085 struct iw_request_info *info,
6089 struct airo_info *local = dev->priv;
6092 readConfigRid(local, 1);
6093 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6098 local->config.opmode &= 0xFF00;
6099 local->config.opmode |= MODE_STA_IBSS;
6100 local->config.rmode &= 0xfe00;
6101 local->config.scanMode = SCANMODE_ACTIVE;
6102 clear_bit (FLAG_802_11, &local->flags);
6105 local->config.opmode &= 0xFF00;
6106 local->config.opmode |= MODE_STA_ESS;
6107 local->config.rmode &= 0xfe00;
6108 local->config.scanMode = SCANMODE_ACTIVE;
6109 clear_bit (FLAG_802_11, &local->flags);
6111 case IW_MODE_MASTER:
6112 local->config.opmode &= 0xFF00;
6113 local->config.opmode |= MODE_AP;
6114 local->config.rmode &= 0xfe00;
6115 local->config.scanMode = SCANMODE_ACTIVE;
6116 clear_bit (FLAG_802_11, &local->flags);
6118 case IW_MODE_REPEAT:
6119 local->config.opmode &= 0xFF00;
6120 local->config.opmode |= MODE_AP_RPTR;
6121 local->config.rmode &= 0xfe00;
6122 local->config.scanMode = SCANMODE_ACTIVE;
6123 clear_bit (FLAG_802_11, &local->flags);
6125 case IW_MODE_MONITOR:
6126 local->config.opmode &= 0xFF00;
6127 local->config.opmode |= MODE_STA_ESS;
6128 local->config.rmode &= 0xfe00;
6129 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6130 local->config.scanMode = SCANMODE_PASSIVE;
6131 set_bit (FLAG_802_11, &local->flags);
6137 set_bit (FLAG_RESET, &local->flags);
6138 set_bit (FLAG_COMMIT, &local->flags);
6140 return -EINPROGRESS; /* Call commit handler */
6143 /*------------------------------------------------------------------*/
6145 * Wireless Handler : get Mode of Operation
6147 static int airo_get_mode(struct net_device *dev,
6148 struct iw_request_info *info,
6152 struct airo_info *local = dev->priv;
6154 readConfigRid(local, 1);
6155 /* If not managed, assume it's ad-hoc */
6156 switch (local->config.opmode & 0xFF) {
6158 *uwrq = IW_MODE_INFRA;
6161 *uwrq = IW_MODE_MASTER;
6164 *uwrq = IW_MODE_REPEAT;
6167 *uwrq = IW_MODE_ADHOC;
6173 /*------------------------------------------------------------------*/
6175 * Wireless Handler : set Encryption Key
6177 static int airo_set_encode(struct net_device *dev,
6178 struct iw_request_info *info,
6179 struct iw_point *dwrq,
6182 struct airo_info *local = dev->priv;
6183 CapabilityRid cap_rid; /* Card capability info */
6185 /* Is WEP supported ? */
6186 readCapabilityRid(local, &cap_rid, 1);
6187 /* Older firmware doesn't support this...
6188 if(!(cap_rid.softCap & 2)) {
6191 readConfigRid(local, 1);
6193 /* Basic checking: do we have a key to set ?
6194 * Note : with the new API, it's impossible to get a NULL pointer.
6195 * Therefore, we need to check a key size == 0 instead.
6196 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6197 * when no key is present (only change flags), but older versions
6198 * don't do it. - Jean II */
6199 if (dwrq->length > 0) {
6201 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6202 int current_index = get_wep_key(local, 0xffff);
6203 /* Check the size of the key */
6204 if (dwrq->length > MAX_KEY_SIZE) {
6207 /* Check the index (none -> use current) */
6208 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6209 index = current_index;
6210 /* Set the length */
6211 if (dwrq->length > MIN_KEY_SIZE)
6212 key.len = MAX_KEY_SIZE;
6214 if (dwrq->length > 0)
6215 key.len = MIN_KEY_SIZE;
6217 /* Disable the key */
6219 /* Check if the key is not marked as invalid */
6220 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6222 memset(key.key, 0, MAX_KEY_SIZE);
6223 /* Copy the key in the driver */
6224 memcpy(key.key, extra, dwrq->length);
6225 /* Send the key to the card */
6226 set_wep_key(local, index, key.key, key.len, 1, 1);
6228 /* WE specify that if a valid key is set, encryption
6229 * should be enabled (user may turn it off later)
6230 * This is also how "iwconfig ethX key on" works */
6231 if((index == current_index) && (key.len > 0) &&
6232 (local->config.authType == AUTH_OPEN)) {
6233 local->config.authType = AUTH_ENCRYPT;
6234 set_bit (FLAG_COMMIT, &local->flags);
6237 /* Do we want to just set the transmit key index ? */
6238 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6239 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6240 set_wep_key(local, index, NULL, 0, 1, 1);
6242 /* Don't complain if only change the mode */
6243 if(!dwrq->flags & IW_ENCODE_MODE) {
6247 /* Read the flags */
6248 if(dwrq->flags & IW_ENCODE_DISABLED)
6249 local->config.authType = AUTH_OPEN; // disable encryption
6250 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6251 local->config.authType = AUTH_SHAREDKEY; // Only Both
6252 if(dwrq->flags & IW_ENCODE_OPEN)
6253 local->config.authType = AUTH_ENCRYPT; // Only Wep
6254 /* Commit the changes to flags if needed */
6255 if(dwrq->flags & IW_ENCODE_MODE)
6256 set_bit (FLAG_COMMIT, &local->flags);
6257 return -EINPROGRESS; /* Call commit handler */
6260 /*------------------------------------------------------------------*/
6262 * Wireless Handler : get Encryption Key
6264 static int airo_get_encode(struct net_device *dev,
6265 struct iw_request_info *info,
6266 struct iw_point *dwrq,
6269 struct airo_info *local = dev->priv;
6270 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6271 CapabilityRid cap_rid; /* Card capability info */
6273 /* Is it supported ? */
6274 readCapabilityRid(local, &cap_rid, 1);
6275 if(!(cap_rid.softCap & 2)) {
6278 readConfigRid(local, 1);
6279 /* Check encryption mode */
6280 switch(local->config.authType) {
6282 dwrq->flags = IW_ENCODE_OPEN;
6284 case AUTH_SHAREDKEY:
6285 dwrq->flags = IW_ENCODE_RESTRICTED;
6289 dwrq->flags = IW_ENCODE_DISABLED;
6292 /* We can't return the key, so set the proper flag and return zero */
6293 dwrq->flags |= IW_ENCODE_NOKEY;
6294 memset(extra, 0, 16);
6296 /* Which key do we want ? -1 -> tx index */
6297 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6298 index = get_wep_key(local, 0xffff);
6299 dwrq->flags |= index + 1;
6300 /* Copy the key to the user buffer */
6301 dwrq->length = get_wep_key(local, index);
6302 if (dwrq->length > 16) {
6308 /*------------------------------------------------------------------*/
6310 * Wireless Handler : set Tx-Power
6312 static int airo_set_txpow(struct net_device *dev,
6313 struct iw_request_info *info,
6314 struct iw_param *vwrq,
6317 struct airo_info *local = dev->priv;
6318 CapabilityRid cap_rid; /* Card capability info */
6322 readCapabilityRid(local, &cap_rid, 1);
6324 if (vwrq->disabled) {
6325 set_bit (FLAG_RADIO_OFF, &local->flags);
6326 set_bit (FLAG_COMMIT, &local->flags);
6327 return -EINPROGRESS; /* Call commit handler */
6329 if (vwrq->flags != IW_TXPOW_MWATT) {
6332 clear_bit (FLAG_RADIO_OFF, &local->flags);
6333 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6334 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6335 readConfigRid(local, 1);
6336 local->config.txPower = vwrq->value;
6337 set_bit (FLAG_COMMIT, &local->flags);
6338 rc = -EINPROGRESS; /* Call commit handler */
6344 /*------------------------------------------------------------------*/
6346 * Wireless Handler : get Tx-Power
6348 static int airo_get_txpow(struct net_device *dev,
6349 struct iw_request_info *info,
6350 struct iw_param *vwrq,
6353 struct airo_info *local = dev->priv;
6355 readConfigRid(local, 1);
6356 vwrq->value = local->config.txPower;
6357 vwrq->fixed = 1; /* No power control */
6358 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6359 vwrq->flags = IW_TXPOW_MWATT;
6364 /*------------------------------------------------------------------*/
6366 * Wireless Handler : set Retry limits
6368 static int airo_set_retry(struct net_device *dev,
6369 struct iw_request_info *info,
6370 struct iw_param *vwrq,
6373 struct airo_info *local = dev->priv;
6376 if(vwrq->disabled) {
6379 readConfigRid(local, 1);
6380 if(vwrq->flags & IW_RETRY_LIMIT) {
6381 if(vwrq->flags & IW_RETRY_MAX)
6382 local->config.longRetryLimit = vwrq->value;
6383 else if (vwrq->flags & IW_RETRY_MIN)
6384 local->config.shortRetryLimit = vwrq->value;
6386 /* No modifier : set both */
6387 local->config.longRetryLimit = vwrq->value;
6388 local->config.shortRetryLimit = vwrq->value;
6390 set_bit (FLAG_COMMIT, &local->flags);
6391 rc = -EINPROGRESS; /* Call commit handler */
6393 if(vwrq->flags & IW_RETRY_LIFETIME) {
6394 local->config.txLifetime = vwrq->value / 1024;
6395 set_bit (FLAG_COMMIT, &local->flags);
6396 rc = -EINPROGRESS; /* Call commit handler */
6401 /*------------------------------------------------------------------*/
6403 * Wireless Handler : get Retry limits
6405 static int airo_get_retry(struct net_device *dev,
6406 struct iw_request_info *info,
6407 struct iw_param *vwrq,
6410 struct airo_info *local = dev->priv;
6412 vwrq->disabled = 0; /* Can't be disabled */
6414 readConfigRid(local, 1);
6415 /* Note : by default, display the min retry number */
6416 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6417 vwrq->flags = IW_RETRY_LIFETIME;
6418 vwrq->value = (int)local->config.txLifetime * 1024;
6419 } else if((vwrq->flags & IW_RETRY_MAX)) {
6420 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6421 vwrq->value = (int)local->config.longRetryLimit;
6423 vwrq->flags = IW_RETRY_LIMIT;
6424 vwrq->value = (int)local->config.shortRetryLimit;
6425 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6426 vwrq->flags |= IW_RETRY_MIN;
6432 /*------------------------------------------------------------------*/
6434 * Wireless Handler : get range info
6436 static int airo_get_range(struct net_device *dev,
6437 struct iw_request_info *info,
6438 struct iw_point *dwrq,
6441 struct airo_info *local = dev->priv;
6442 struct iw_range *range = (struct iw_range *) extra;
6443 CapabilityRid cap_rid; /* Card capability info */
6447 readCapabilityRid(local, &cap_rid, 1);
6449 dwrq->length = sizeof(struct iw_range);
6450 memset(range, 0, sizeof(*range));
6451 range->min_nwid = 0x0000;
6452 range->max_nwid = 0x0000;
6453 range->num_channels = 14;
6454 /* Should be based on cap_rid.country to give only
6455 * what the current card support */
6457 for(i = 0; i < 14; i++) {
6458 range->freq[k].i = i + 1; /* List index */
6459 range->freq[k].m = frequency_list[i] * 100000;
6460 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6462 range->num_frequency = k;
6464 range->sensitivity = 65535;
6466 /* Hum... Should put the right values there */
6468 range->max_qual.qual = 100; /* % */
6470 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6471 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6472 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6474 /* Experimental measurements - boundary 11/5.5 Mb/s */
6475 /* Note : with or without the (local->rssi), results
6476 * are somewhat different. - Jean II */
6478 range->avg_qual.qual = 50; /* % */
6479 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6481 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6482 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6484 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6486 for(i = 0 ; i < 8 ; i++) {
6487 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6488 if(range->bitrate[i] == 0)
6491 range->num_bitrates = i;
6493 /* Set an indication of the max TCP throughput
6494 * in bit/s that we can expect using this interface.
6495 * May be use for QoS stuff... Jean II */
6497 range->throughput = 5000 * 1000;
6499 range->throughput = 1500 * 1000;
6502 range->max_rts = 2312;
6503 range->min_frag = 256;
6504 range->max_frag = 2312;
6506 if(cap_rid.softCap & 2) {
6508 range->encoding_size[0] = 5;
6510 if (cap_rid.softCap & 0x100) {
6511 range->encoding_size[1] = 13;
6512 range->num_encoding_sizes = 2;
6514 range->num_encoding_sizes = 1;
6515 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6517 range->num_encoding_sizes = 0;
6518 range->max_encoding_tokens = 0;
6521 range->max_pmp = 5000000; /* 5 secs */
6523 range->max_pmt = 65535 * 1024; /* ??? */
6524 range->pmp_flags = IW_POWER_PERIOD;
6525 range->pmt_flags = IW_POWER_TIMEOUT;
6526 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6528 /* Transmit Power - values are in mW */
6529 for(i = 0 ; i < 8 ; i++) {
6530 range->txpower[i] = cap_rid.txPowerLevels[i];
6531 if(range->txpower[i] == 0)
6534 range->num_txpower = i;
6535 range->txpower_capa = IW_TXPOW_MWATT;
6536 range->we_version_source = 12;
6537 range->we_version_compiled = WIRELESS_EXT;
6538 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6539 range->retry_flags = IW_RETRY_LIMIT;
6540 range->r_time_flags = IW_RETRY_LIFETIME;
6541 range->min_retry = 1;
6542 range->max_retry = 65535;
6543 range->min_r_time = 1024;
6544 range->max_r_time = 65535 * 1024;
6546 /* Event capability (kernel + driver) */
6547 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6548 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6549 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6550 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6551 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6552 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6556 /*------------------------------------------------------------------*/
6558 * Wireless Handler : set Power Management
6560 static int airo_set_power(struct net_device *dev,
6561 struct iw_request_info *info,
6562 struct iw_param *vwrq,
6565 struct airo_info *local = dev->priv;
6567 readConfigRid(local, 1);
6568 if (vwrq->disabled) {
6569 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6572 local->config.powerSaveMode = POWERSAVE_CAM;
6573 local->config.rmode &= 0xFF00;
6574 local->config.rmode |= RXMODE_BC_MC_ADDR;
6575 set_bit (FLAG_COMMIT, &local->flags);
6576 return -EINPROGRESS; /* Call commit handler */
6578 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6579 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6580 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6581 set_bit (FLAG_COMMIT, &local->flags);
6582 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6583 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6584 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6585 set_bit (FLAG_COMMIT, &local->flags);
6587 switch (vwrq->flags & IW_POWER_MODE) {
6588 case IW_POWER_UNICAST_R:
6589 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6592 local->config.rmode &= 0xFF00;
6593 local->config.rmode |= RXMODE_ADDR;
6594 set_bit (FLAG_COMMIT, &local->flags);
6596 case IW_POWER_ALL_R:
6597 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6600 local->config.rmode &= 0xFF00;
6601 local->config.rmode |= RXMODE_BC_MC_ADDR;
6602 set_bit (FLAG_COMMIT, &local->flags);
6608 // Note : we may want to factor local->need_commit here
6609 // Note2 : may also want to factor RXMODE_RFMON test
6610 return -EINPROGRESS; /* Call commit handler */
6613 /*------------------------------------------------------------------*/
6615 * Wireless Handler : get Power Management
6617 static int airo_get_power(struct net_device *dev,
6618 struct iw_request_info *info,
6619 struct iw_param *vwrq,
6622 struct airo_info *local = dev->priv;
6625 readConfigRid(local, 1);
6626 mode = local->config.powerSaveMode;
6627 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6629 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6630 vwrq->value = (int)local->config.fastListenDelay * 1024;
6631 vwrq->flags = IW_POWER_TIMEOUT;
6633 vwrq->value = (int)local->config.fastListenInterval * 1024;
6634 vwrq->flags = IW_POWER_PERIOD;
6636 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
6637 vwrq->flags |= IW_POWER_UNICAST_R;
6639 vwrq->flags |= IW_POWER_ALL_R;
6644 /*------------------------------------------------------------------*/
6646 * Wireless Handler : set Sensitivity
6648 static int airo_set_sens(struct net_device *dev,
6649 struct iw_request_info *info,
6650 struct iw_param *vwrq,
6653 struct airo_info *local = dev->priv;
6655 readConfigRid(local, 1);
6656 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
6657 set_bit (FLAG_COMMIT, &local->flags);
6659 return -EINPROGRESS; /* Call commit handler */
6662 /*------------------------------------------------------------------*/
6664 * Wireless Handler : get Sensitivity
6666 static int airo_get_sens(struct net_device *dev,
6667 struct iw_request_info *info,
6668 struct iw_param *vwrq,
6671 struct airo_info *local = dev->priv;
6673 readConfigRid(local, 1);
6674 vwrq->value = local->config.rssiThreshold;
6675 vwrq->disabled = (vwrq->value == 0);
6681 /*------------------------------------------------------------------*/
6683 * Wireless Handler : get AP List
6684 * Note : this is deprecated in favor of IWSCAN
6686 static int airo_get_aplist(struct net_device *dev,
6687 struct iw_request_info *info,
6688 struct iw_point *dwrq,
6691 struct airo_info *local = dev->priv;
6692 struct sockaddr *address = (struct sockaddr *) extra;
6693 struct iw_quality qual[IW_MAX_AP];
6696 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
6698 for (i = 0; i < IW_MAX_AP; i++) {
6699 if (readBSSListRid(local, loseSync, &BSSList))
6702 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
6703 address[i].sa_family = ARPHRD_ETHER;
6705 qual[i].level = 0x100 - BSSList.dBm;
6706 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
6707 qual[i].updated = IW_QUAL_QUAL_UPDATED
6708 | IW_QUAL_LEVEL_UPDATED
6711 qual[i].level = (BSSList.dBm + 321) / 2;
6713 qual[i].updated = IW_QUAL_QUAL_INVALID
6714 | IW_QUAL_LEVEL_UPDATED
6717 qual[i].noise = local->wstats.qual.noise;
6718 if (BSSList.index == 0xffff)
6722 StatusRid status_rid; /* Card status info */
6723 readStatusRid(local, &status_rid, 1);
6725 i < min(IW_MAX_AP, 4) &&
6726 (status_rid.bssid[i][0]
6727 & status_rid.bssid[i][1]
6728 & status_rid.bssid[i][2]
6729 & status_rid.bssid[i][3]
6730 & status_rid.bssid[i][4]
6731 & status_rid.bssid[i][5])!=0xff &&
6732 (status_rid.bssid[i][0]
6733 | status_rid.bssid[i][1]
6734 | status_rid.bssid[i][2]
6735 | status_rid.bssid[i][3]
6736 | status_rid.bssid[i][4]
6737 | status_rid.bssid[i][5]);
6739 memcpy(address[i].sa_data,
6740 status_rid.bssid[i], ETH_ALEN);
6741 address[i].sa_family = ARPHRD_ETHER;
6744 dwrq->flags = 1; /* Should be define'd */
6745 memcpy(extra + sizeof(struct sockaddr)*i,
6746 &qual, sizeof(struct iw_quality)*i);
6753 /*------------------------------------------------------------------*/
6755 * Wireless Handler : Initiate Scan
6757 static int airo_set_scan(struct net_device *dev,
6758 struct iw_request_info *info,
6759 struct iw_param *vwrq,
6762 struct airo_info *ai = dev->priv;
6766 /* Note : you may have realised that, as this is a SET operation,
6767 * this is privileged and therefore a normal user can't
6769 * This is not an error, while the device perform scanning,
6770 * traffic doesn't flow, so it's a perfect DoS...
6772 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
6774 /* Initiate a scan command */
6775 memset(&cmd, 0, sizeof(cmd));
6776 cmd.cmd=CMD_LISTBSS;
6777 if (down_interruptible(&ai->sem))
6778 return -ERESTARTSYS;
6779 issuecommand(ai, &cmd, &rsp);
6780 ai->scan_timestamp = jiffies;
6783 /* At this point, just return to the user. */
6788 /*------------------------------------------------------------------*/
6790 * Translate scan data returned from the card to a card independent
6791 * format that the Wireless Tools will understand - Jean II
6793 static inline char *airo_translate_scan(struct net_device *dev,
6798 struct airo_info *ai = dev->priv;
6799 struct iw_event iwe; /* Temporary buffer */
6801 char * current_val; /* For rates */
6804 /* First entry *MUST* be the AP MAC address */
6805 iwe.cmd = SIOCGIWAP;
6806 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
6807 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
6808 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
6810 /* Other entries will be displayed in the order we give them */
6813 iwe.u.data.length = bss->ssidLen;
6814 if(iwe.u.data.length > 32)
6815 iwe.u.data.length = 32;
6816 iwe.cmd = SIOCGIWESSID;
6817 iwe.u.data.flags = 1;
6818 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6821 iwe.cmd = SIOCGIWMODE;
6822 capabilities = le16_to_cpu(bss->cap);
6823 if(capabilities & (CAP_ESS | CAP_IBSS)) {
6824 if(capabilities & CAP_ESS)
6825 iwe.u.mode = IW_MODE_MASTER;
6827 iwe.u.mode = IW_MODE_ADHOC;
6828 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
6832 iwe.cmd = SIOCGIWFREQ;
6833 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
6834 /* iwe.u.freq.m containt the channel (starting 1), our
6835 * frequency_list array start at index 0...
6837 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
6839 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
6841 /* Add quality statistics */
6844 iwe.u.qual.level = 0x100 - bss->dBm;
6845 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
6846 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
6847 | IW_QUAL_LEVEL_UPDATED
6850 iwe.u.qual.level = (bss->dBm + 321) / 2;
6851 iwe.u.qual.qual = 0;
6852 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
6853 | IW_QUAL_LEVEL_UPDATED
6856 iwe.u.qual.noise = ai->wstats.qual.noise;
6857 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
6859 /* Add encryption capability */
6860 iwe.cmd = SIOCGIWENCODE;
6861 if(capabilities & CAP_PRIVACY)
6862 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
6864 iwe.u.data.flags = IW_ENCODE_DISABLED;
6865 iwe.u.data.length = 0;
6866 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6868 /* Rate : stuffing multiple values in a single event require a bit
6869 * more of magic - Jean II */
6870 current_val = current_ev + IW_EV_LCP_LEN;
6872 iwe.cmd = SIOCGIWRATE;
6873 /* Those two flags are ignored... */
6874 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
6876 for(i = 0 ; i < 8 ; i++) {
6877 /* NULL terminated */
6878 if(bss->rates[i] == 0)
6880 /* Bit rate given in 500 kb/s units (+ 0x80) */
6881 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
6882 /* Add new value to event */
6883 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
6885 /* Check if we added any event */
6886 if((current_val - current_ev) > IW_EV_LCP_LEN)
6887 current_ev = current_val;
6889 /* The other data in the scan result are not really
6890 * interesting, so for now drop it - Jean II */
6894 /*------------------------------------------------------------------*/
6896 * Wireless Handler : Read Scan Results
6898 static int airo_get_scan(struct net_device *dev,
6899 struct iw_request_info *info,
6900 struct iw_point *dwrq,
6903 struct airo_info *ai = dev->priv;
6906 char *current_ev = extra;
6908 /* When we are associated again, the scan has surely finished.
6909 * Just in case, let's make sure enough time has elapsed since
6910 * we started the scan. - Javier */
6911 if(ai->scan_timestamp && time_before(jiffies,ai->scan_timestamp+3*HZ)) {
6912 /* Important note : we don't want to block the caller
6913 * until results are ready for various reasons.
6914 * First, managing wait queues is complex and racy
6915 * (there may be multiple simultaneous callers).
6916 * Second, we grab some rtnetlink lock before comming
6917 * here (in dev_ioctl()).
6918 * Third, the caller can wait on the Wireless Event
6922 ai->scan_timestamp = 0;
6924 /* There's only a race with proc_BSSList_open(), but its
6925 * consequences are begnign. So I don't bother fixing it - Javier */
6927 /* Try to read the first entry of the scan result */
6928 rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 1);
6929 if((rc) || (BSSList.index == 0xffff)) {
6930 /* Client error, no scan results...
6931 * The caller need to restart the scan. */
6935 /* Read and parse all entries */
6936 while((!rc) && (BSSList.index != 0xffff)) {
6937 /* Translate to WE format this entry */
6938 current_ev = airo_translate_scan(dev, current_ev,
6939 extra + dwrq->length,
6942 /* Check if there is space for one more entry */
6943 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
6944 /* Ask user space to try again with a bigger buffer */
6948 /* Read next entry */
6949 rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
6950 &BSSList, sizeof(BSSList), 1);
6952 /* Length of data */
6953 dwrq->length = (current_ev - extra);
6954 dwrq->flags = 0; /* todo */
6959 /*------------------------------------------------------------------*/
6961 * Commit handler : called after a bunch of SET operations
6963 static int airo_config_commit(struct net_device *dev,
6964 struct iw_request_info *info, /* NULL */
6965 void *zwrq, /* NULL */
6966 char *extra) /* NULL */
6968 struct airo_info *local = dev->priv;
6971 if (!test_bit (FLAG_COMMIT, &local->flags))
6974 /* Some of the "SET" function may have modified some of the
6975 * parameters. It's now time to commit them in the card */
6976 disable_MAC(local, 1);
6977 if (test_bit (FLAG_RESET, &local->flags)) {
6978 APListRid APList_rid;
6981 readAPListRid(local, &APList_rid);
6982 readSsidRid(local, &SSID_rid);
6983 if (test_bit(FLAG_MPI,&local->flags))
6984 setup_card(local, dev->dev_addr, 1 );
6986 reset_airo_card(dev);
6987 disable_MAC(local, 1);
6988 writeSsidRid(local, &SSID_rid, 1);
6989 writeAPListRid(local, &APList_rid, 1);
6991 if (down_interruptible(&local->sem))
6992 return -ERESTARTSYS;
6993 writeConfigRid(local, 0);
6994 enable_MAC(local, &rsp, 0);
6995 if (test_bit (FLAG_RESET, &local->flags))
6996 airo_set_promisc(local);
7003 /*------------------------------------------------------------------*/
7005 * Structures to export the Wireless Handlers
7008 static const struct iw_priv_args airo_private_args[] = {
7009 /*{ cmd, set_args, get_args, name } */
7010 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7011 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7012 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7013 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7016 static const iw_handler airo_handler[] =
7018 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7019 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7020 (iw_handler) NULL, /* SIOCSIWNWID */
7021 (iw_handler) NULL, /* SIOCGIWNWID */
7022 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7023 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7024 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7025 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7026 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7027 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7028 (iw_handler) NULL, /* SIOCSIWRANGE */
7029 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7030 (iw_handler) NULL, /* SIOCSIWPRIV */
7031 (iw_handler) NULL, /* SIOCGIWPRIV */
7032 (iw_handler) NULL, /* SIOCSIWSTATS */
7033 (iw_handler) NULL, /* SIOCGIWSTATS */
7034 iw_handler_set_spy, /* SIOCSIWSPY */
7035 iw_handler_get_spy, /* SIOCGIWSPY */
7036 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7037 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7038 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7039 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7040 (iw_handler) NULL, /* -- hole -- */
7041 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7042 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7043 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7044 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7045 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7046 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7047 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7048 (iw_handler) NULL, /* -- hole -- */
7049 (iw_handler) NULL, /* -- hole -- */
7050 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7051 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7052 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7053 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7054 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7055 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7056 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7057 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7058 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7059 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7060 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7061 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7062 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7063 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7066 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7067 * We want to force the use of the ioctl code, because those can't be
7068 * won't work the iw_handler code (because they simultaneously read
7069 * and write data and iw_handler can't do that).
7070 * Note that it's perfectly legal to read/write on a single ioctl command,
7071 * you just can't use iwpriv and need to force it via the ioctl handler.
7073 static const iw_handler airo_private_handler[] =
7075 NULL, /* SIOCIWFIRSTPRIV */
7078 static const struct iw_handler_def airo_handler_def =
7080 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7081 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7082 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7083 .standard = airo_handler,
7084 .private = airo_private_handler,
7085 .private_args = airo_private_args,
7086 .get_wireless_stats = airo_get_wireless_stats,
7090 * This defines the configuration part of the Wireless Extensions
7091 * Note : irq and spinlock protection will occur in the subroutines
7094 * o Check input value more carefully and fill correct values in range
7095 * o Test and shakeout the bugs (if any)
7099 * Javier Achirica did a great job of merging code from the unnamed CISCO
7100 * developer that added support for flashing the card.
7102 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7105 struct airo_info *ai = (struct airo_info *)dev->priv;
7107 if (ai->power.event)
7117 int val = AIROMAGIC;
7119 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7121 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7130 /* Get the command struct and hand it off for evaluation by
7131 * the proper subfunction
7135 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7140 /* Separate R/W functions bracket legality here
7142 if ( com.command == AIRORSWVERSION ) {
7143 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7148 else if ( com.command <= AIRORRID)
7149 rc = readrids(dev,&com);
7150 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7151 rc = writerids(dev,&com);
7152 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7153 rc = flashcard(dev,&com);
7155 rc = -EINVAL; /* Bad command in ioctl */
7158 #endif /* CISCO_EXT */
7160 // All other calls are currently unsupported
7168 * Get the Wireless stats out of the driver
7169 * Note : irq and spinlock protection will occur in the subroutines
7172 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7176 static void airo_read_wireless_stats(struct airo_info *local)
7178 StatusRid status_rid;
7180 CapabilityRid cap_rid;
7181 u32 *vals = stats_rid.vals;
7183 /* Get stats out of the card */
7184 clear_bit(JOB_WSTATS, &local->flags);
7185 if (local->power.event) {
7189 readCapabilityRid(local, &cap_rid, 0);
7190 readStatusRid(local, &status_rid, 0);
7191 readStatsRid(local, &stats_rid, RID_STATS, 0);
7195 local->wstats.status = status_rid.mode;
7197 /* Signal quality and co */
7199 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7200 /* normalizedSignalStrength appears to be a percentage */
7201 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7203 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7204 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7206 if (status_rid.len >= 124) {
7207 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7208 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7210 local->wstats.qual.noise = 0;
7211 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7214 /* Packets discarded in the wireless adapter due to wireless
7215 * specific problems */
7216 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7217 local->wstats.discard.code = vals[6];/* RxWepErr */
7218 local->wstats.discard.fragment = vals[30];
7219 local->wstats.discard.retries = vals[10];
7220 local->wstats.discard.misc = vals[1] + vals[32];
7221 local->wstats.miss.beacon = vals[34];
7224 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7226 struct airo_info *local = dev->priv;
7228 if (!test_bit(JOB_WSTATS, &local->flags)) {
7229 /* Get stats out of the card if available */
7230 if (down_trylock(&local->sem) != 0) {
7231 set_bit(JOB_WSTATS, &local->flags);
7232 wake_up_interruptible(&local->thr_wait);
7234 airo_read_wireless_stats(local);
7237 return &local->wstats;
7242 * This just translates from driver IOCTL codes to the command codes to
7243 * feed to the radio's host interface. Things can be added/deleted
7244 * as needed. This represents the READ side of control I/O to
7247 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7248 unsigned short ridcode;
7249 unsigned char *iobuf;
7251 struct airo_info *ai = dev->priv;
7254 if (test_bit(FLAG_FLASHING, &ai->flags))
7257 switch(comp->command)
7259 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7260 case AIROGCFG: ridcode = RID_CONFIG;
7261 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7262 disable_MAC (ai, 1);
7263 writeConfigRid (ai, 1);
7264 enable_MAC (ai, &rsp, 1);
7267 case AIROGSLIST: ridcode = RID_SSID; break;
7268 case AIROGVLIST: ridcode = RID_APLIST; break;
7269 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7270 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7271 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7272 /* Only super-user can read WEP keys */
7273 if (!capable(CAP_NET_ADMIN))
7276 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7277 /* Only super-user can read WEP keys */
7278 if (!capable(CAP_NET_ADMIN))
7281 case AIROGSTAT: ridcode = RID_STATUS; break;
7282 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7283 case AIROGSTATSC32: ridcode = RID_STATS; break;
7286 if (copy_to_user(comp->data, &ai->micstats,
7287 min((int)comp->len,(int)sizeof(ai->micstats))))
7291 case AIRORRID: ridcode = comp->ridnum; break;
7297 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7300 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7301 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7302 * then return it to the user
7303 * 9/22/2000 Honor user given length
7307 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7316 * Danger Will Robinson write the rids here
7319 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7320 struct airo_info *ai = dev->priv;
7326 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7327 unsigned char *iobuf;
7329 /* Only super-user can write RIDs */
7330 if (!capable(CAP_NET_ADMIN))
7333 if (test_bit(FLAG_FLASHING, &ai->flags))
7337 writer = do_writerid;
7339 switch(comp->command)
7341 case AIROPSIDS: ridcode = RID_SSID; break;
7342 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7343 case AIROPAPLIST: ridcode = RID_APLIST; break;
7344 case AIROPCFG: ai->config.len = 0;
7345 clear_bit(FLAG_COMMIT, &ai->flags);
7346 ridcode = RID_CONFIG; break;
7347 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7348 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7349 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7350 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7352 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7353 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7355 /* this is not really a rid but a command given to the card
7359 if (enable_MAC(ai, &rsp, 1) != 0)
7364 * Evidently this code in the airo driver does not get a symbol
7365 * as disable_MAC. it's probably so short the compiler does not gen one.
7371 /* This command merely clears the counts does not actually store any data
7372 * only reads rid. But as it changes the cards state, I put it in the
7373 * writerid routines.
7376 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7379 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7382 enabled = ai->micstats.enabled;
7383 memset(&ai->micstats,0,sizeof(ai->micstats));
7384 ai->micstats.enabled = enabled;
7387 if (copy_to_user(comp->data, iobuf,
7388 min((int)comp->len, (int)RIDSIZE))) {
7396 return -EOPNOTSUPP; /* Blarg! */
7398 if(comp->len > RIDSIZE)
7401 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7404 if (copy_from_user(iobuf,comp->data,comp->len)) {
7409 if (comp->command == AIROPCFG) {
7410 ConfigRid *cfg = (ConfigRid *)iobuf;
7412 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7413 cfg->opmode |= MODE_MIC;
7415 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7416 set_bit (FLAG_ADHOC, &ai->flags);
7418 clear_bit (FLAG_ADHOC, &ai->flags);
7421 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7429 /*****************************************************************************
7430 * Ancillary flash / mod functions much black magic lurkes here *
7431 *****************************************************************************
7435 * Flash command switch table
7438 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7441 /* Only super-user can modify flash */
7442 if (!capable(CAP_NET_ADMIN))
7445 switch(comp->command)
7448 return cmdreset((struct airo_info *)dev->priv);
7451 if (!((struct airo_info *)dev->priv)->flash &&
7452 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7454 return setflashmode((struct airo_info *)dev->priv);
7456 case AIROFLSHGCHR: /* Get char from aux */
7457 if(comp->len != sizeof(int))
7459 if (copy_from_user(&z,comp->data,comp->len))
7461 return flashgchar((struct airo_info *)dev->priv,z,8000);
7463 case AIROFLSHPCHR: /* Send char to card. */
7464 if(comp->len != sizeof(int))
7466 if (copy_from_user(&z,comp->data,comp->len))
7468 return flashpchar((struct airo_info *)dev->priv,z,8000);
7470 case AIROFLPUTBUF: /* Send 32k to card */
7471 if (!((struct airo_info *)dev->priv)->flash)
7473 if(comp->len > FLASHSIZE)
7475 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7478 flashputbuf((struct airo_info *)dev->priv);
7482 if(flashrestart((struct airo_info *)dev->priv,dev))
7489 #define FLASH_COMMAND 0x7e7e
7493 * Disable MAC and do soft reset on
7497 static int cmdreset(struct airo_info *ai) {
7501 printk(KERN_INFO "Waitbusy hang before RESET\n");
7505 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7507 ssleep(1); /* WAS 600 12/7/00 */
7510 printk(KERN_INFO "Waitbusy hang AFTER RESET\n");
7517 * Put the card in legendary flash
7521 static int setflashmode (struct airo_info *ai) {
7522 set_bit (FLAG_FLASHING, &ai->flags);
7524 OUT4500(ai, SWS0, FLASH_COMMAND);
7525 OUT4500(ai, SWS1, FLASH_COMMAND);
7527 OUT4500(ai, SWS0, FLASH_COMMAND);
7528 OUT4500(ai, COMMAND,0x10);
7530 OUT4500(ai, SWS2, FLASH_COMMAND);
7531 OUT4500(ai, SWS3, FLASH_COMMAND);
7532 OUT4500(ai, COMMAND,0);
7534 msleep(500); /* 500ms delay */
7537 clear_bit (FLAG_FLASHING, &ai->flags);
7538 printk(KERN_INFO "Waitbusy hang after setflash mode\n");
7544 /* Put character to SWS0 wait for dwelltime
7548 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7559 /* Wait for busy bit d15 to go false indicating buffer empty */
7560 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7565 /* timeout for busy clear wait */
7567 printk(KERN_INFO "flash putchar busywait timeout! \n");
7571 /* Port is clear now write byte and wait for it to echo back */
7573 OUT4500(ai,SWS0,byte);
7576 echo = IN4500(ai,SWS1);
7577 } while (dwelltime >= 0 && echo != byte);
7581 return (echo == byte) ? 0 : -EIO;
7585 * Get a character from the card matching matchbyte
7588 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
7590 unsigned char rbyte=0;
7593 rchar = IN4500(ai,SWS1);
7595 if(dwelltime && !(0x8000 & rchar)){
7600 rbyte = 0xff & rchar;
7602 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
7606 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
7610 }while(dwelltime > 0);
7615 * Transfer 32k of firmware data from user buffer to our buffer and
7619 static int flashputbuf(struct airo_info *ai){
7623 if (test_bit(FLAG_MPI,&ai->flags))
7624 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
7626 OUT4500(ai,AUXPAGE,0x100);
7627 OUT4500(ai,AUXOFF,0);
7629 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
7630 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
7633 OUT4500(ai,SWS0,0x8000);
7641 static int flashrestart(struct airo_info *ai,struct net_device *dev){
7644 ssleep(1); /* Added 12/7/00 */
7645 clear_bit (FLAG_FLASHING, &ai->flags);
7646 if (test_bit(FLAG_MPI, &ai->flags)) {
7647 status = mpi_init_descriptors(ai);
7648 if (status != SUCCESS)
7651 status = setup_card(ai, dev->dev_addr, 1);
7653 if (!test_bit(FLAG_MPI,&ai->flags))
7654 for( i = 0; i < MAX_FIDS; i++ ) {
7655 ai->fids[i] = transmit_allocate
7656 ( ai, 2312, i >= MAX_FIDS / 2 );
7659 ssleep(1); /* Added 12/7/00 */
7662 #endif /* CISCO_EXT */
7665 This program is free software; you can redistribute it and/or
7666 modify it under the terms of the GNU General Public License
7667 as published by the Free Software Foundation; either version 2
7668 of the License, or (at your option) any later version.
7670 This program is distributed in the hope that it will be useful,
7671 but WITHOUT ANY WARRANTY; without even the implied warranty of
7672 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7673 GNU General Public License for more details.
7677 Redistribution and use in source and binary forms, with or without
7678 modification, are permitted provided that the following conditions
7681 1. Redistributions of source code must retain the above copyright
7682 notice, this list of conditions and the following disclaimer.
7683 2. Redistributions in binary form must reproduce the above copyright
7684 notice, this list of conditions and the following disclaimer in the
7685 documentation and/or other materials provided with the distribution.
7686 3. The name of the author may not be used to endorse or promote
7687 products derived from this software without specific prior written
7690 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
7691 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7692 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
7693 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
7694 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
7695 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
7696 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
7697 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
7698 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
7699 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
7700 POSSIBILITY OF SUCH DAMAGE.
7703 module_init(airo_init_module);
7704 module_exit(airo_cleanup_module);