1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/config.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
39 #include <asm/system.h>
41 #include <linux/netdevice.h>
42 #include <linux/etherdevice.h>
43 #include <linux/skbuff.h>
44 #include <linux/if_arp.h>
45 #include <linux/ioport.h>
46 #include <linux/pci.h>
47 #include <asm/uaccess.h>
50 static struct pci_device_id card_ids[] = {
51 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
52 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
53 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
54 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
55 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
56 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
57 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
60 MODULE_DEVICE_TABLE(pci, card_ids);
62 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
63 static void airo_pci_remove(struct pci_dev *);
64 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
65 static int airo_pci_resume(struct pci_dev *pdev);
67 static struct pci_driver airo_driver = {
70 .probe = airo_pci_probe,
71 .remove = __devexit_p(airo_pci_remove),
72 .suspend = airo_pci_suspend,
73 .resume = airo_pci_resume,
75 #endif /* CONFIG_PCI */
77 /* Include Wireless Extension definition and check version - Jean II */
78 #include <linux/wireless.h>
79 #define WIRELESS_SPY // enable iwspy support
80 #include <net/iw_handler.h> // New driver API
82 #define CISCO_EXT // enable Cisco extensions
84 #include <linux/delay.h>
87 /* Support Cisco MIC feature */
90 #if defined(MICSUPPORT) && !defined(CONFIG_CRYPTO)
91 #warning MIC support requires Crypto API
95 /* Hack to do some power saving */
98 /* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
104 #define IGNLABEL(comment) NULL
105 static char *statsLabels[] = {
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
208 #define RUN_AT(x) (jiffies+(x))
212 /* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
217 static int basic_rate;
218 static char *ssids[3];
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe = 1;
234 static int proc_uid /* = 0 */;
236 static int proc_gid /* = 0 */;
238 static int airo_perm = 0555;
240 static int proc_perm = 0644;
242 MODULE_AUTHOR("Benjamin Reed");
243 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246 MODULE_LICENSE("Dual BSD/GPL");
247 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248 module_param_array(io, int, NULL, 0);
249 module_param_array(irq, int, NULL, 0);
250 module_param(basic_rate, int, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255 the authentication options until an association is made. The value of \
256 auto_wep is number of the wep keys to check. A value of 2 will try using \
257 the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260 than seems to work better for older cards with some older buses. Before \
261 switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265 Older cards used to be limited to 2mbs (4).");
266 module_param(adhoc, int, 0);
267 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268 module_param(probe, int, 0);
269 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271 module_param(proc_uid, int, 0);
272 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273 module_param(proc_gid, int, 0);
274 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275 module_param(airo_perm, int, 0);
276 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277 module_param(proc_perm, int, 0);
278 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280 /* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283 static int do8bitIO = 0;
292 #define MAC_ENABLE 0x0001
293 #define MAC_DISABLE 0x0002
294 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295 #define CMD_SOFTRESET 0x0004
296 #define HOSTSLEEP 0x0005
297 #define CMD_MAGIC_PKT 0x0006
298 #define CMD_SETWAKEMASK 0x0007
299 #define CMD_READCFG 0x0008
300 #define CMD_SETMODE 0x0009
301 #define CMD_ALLOCATETX 0x000a
302 #define CMD_TRANSMIT 0x000b
303 #define CMD_DEALLOCATETX 0x000c
305 #define CMD_WORKAROUND 0x0011
306 #define CMD_ALLOCATEAUX 0x0020
307 #define CMD_ACCESS 0x0021
308 #define CMD_PCIBAP 0x0022
309 #define CMD_PCIAUX 0x0023
310 #define CMD_ALLOCBUF 0x0028
311 #define CMD_GETTLV 0x0029
312 #define CMD_PUTTLV 0x002a
313 #define CMD_DELTLV 0x002b
314 #define CMD_FINDNEXTTLV 0x002c
315 #define CMD_PSPNODES 0x0030
316 #define CMD_SETCW 0x0031
317 #define CMD_SETPCF 0x0032
318 #define CMD_SETPHYREG 0x003e
319 #define CMD_TXTEST 0x003f
320 #define MAC_ENABLETX 0x0101
321 #define CMD_LISTBSS 0x0103
322 #define CMD_SAVECFG 0x0108
323 #define CMD_ENABLEAUX 0x0111
324 #define CMD_WRITERID 0x0121
325 #define CMD_USEPSPNODES 0x0130
326 #define MAC_ENABLERX 0x0201
329 #define ERROR_QUALIF 0x00
330 #define ERROR_ILLCMD 0x01
331 #define ERROR_ILLFMT 0x02
332 #define ERROR_INVFID 0x03
333 #define ERROR_INVRID 0x04
334 #define ERROR_LARGE 0x05
335 #define ERROR_NDISABL 0x06
336 #define ERROR_ALLOCBSY 0x07
337 #define ERROR_NORD 0x0B
338 #define ERROR_NOWR 0x0C
339 #define ERROR_INVFIDTX 0x0D
340 #define ERROR_TESTACT 0x0E
341 #define ERROR_TAGNFND 0x12
342 #define ERROR_DECODE 0x20
343 #define ERROR_DESCUNAV 0x21
344 #define ERROR_BADLEN 0x22
345 #define ERROR_MODE 0x80
346 #define ERROR_HOP 0x81
347 #define ERROR_BINTER 0x82
348 #define ERROR_RXMODE 0x83
349 #define ERROR_MACADDR 0x84
350 #define ERROR_RATES 0x85
351 #define ERROR_ORDER 0x86
352 #define ERROR_SCAN 0x87
353 #define ERROR_AUTH 0x88
354 #define ERROR_PSMODE 0x89
355 #define ERROR_RTYPE 0x8A
356 #define ERROR_DIVER 0x8B
357 #define ERROR_SSID 0x8C
358 #define ERROR_APLIST 0x8D
359 #define ERROR_AUTOWAKE 0x8E
360 #define ERROR_LEAP 0x8F
371 #define LINKSTAT 0x10
375 #define TXALLOCFID 0x22
376 #define TXCOMPLFID 0x24
391 /* Offset into aux memory for descriptors */
392 #define AUX_OFFSET 0x800
393 /* Size of allocated packets */
396 /* Size of the transmit queue */
400 #define BAP0 0 // Used for receiving packets
401 #define BAP1 2 // Used for xmiting packets and working with RIDS
404 #define COMMAND_BUSY 0x8000
406 #define BAP_BUSY 0x8000
407 #define BAP_ERR 0x4000
408 #define BAP_DONE 0x2000
410 #define PROMISC 0xffff
411 #define NOPROMISC 0x0000
414 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_TXEXC 0x04
418 #define EV_ALLOC 0x08
420 #define EV_AWAKE 0x100
421 #define EV_TXCPY 0x400
422 #define EV_UNKNOWN 0x800
423 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424 #define EV_AWAKEN 0x2000
425 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427 #ifdef CHECK_UNKNOWN_INTS
428 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #define IGNORE_INTS (~STATUS_INTS)
437 #define RID_CAPABILITIES 0xFF00
438 #define RID_APINFO 0xFF01
439 #define RID_RADIOINFO 0xFF02
440 #define RID_UNKNOWN3 0xFF03
441 #define RID_RSSI 0xFF04
442 #define RID_CONFIG 0xFF10
443 #define RID_SSID 0xFF11
444 #define RID_APLIST 0xFF12
445 #define RID_DRVNAME 0xFF13
446 #define RID_ETHERENCAP 0xFF14
447 #define RID_WEP_TEMP 0xFF15
448 #define RID_WEP_PERM 0xFF16
449 #define RID_MODULATION 0xFF17
450 #define RID_OPTIONS 0xFF18
451 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452 #define RID_FACTORYCONFIG 0xFF21
453 #define RID_UNKNOWN22 0xFF22
454 #define RID_LEAPUSERNAME 0xFF23
455 #define RID_LEAPPASSWORD 0xFF24
456 #define RID_STATUS 0xFF50
457 #define RID_BEACON_HST 0xFF51
458 #define RID_BUSY_HST 0xFF52
459 #define RID_RETRIES_HST 0xFF53
460 #define RID_UNKNOWN54 0xFF54
461 #define RID_UNKNOWN55 0xFF55
462 #define RID_UNKNOWN56 0xFF56
463 #define RID_MIC 0xFF57
464 #define RID_STATS16 0xFF60
465 #define RID_STATS16DELTA 0xFF61
466 #define RID_STATS16DELTACLEAR 0xFF62
467 #define RID_STATS 0xFF68
468 #define RID_STATSDELTA 0xFF69
469 #define RID_STATSDELTACLEAR 0xFF6A
470 #define RID_ECHOTEST_RID 0xFF70
471 #define RID_ECHOTEST_RESULTS 0xFF71
472 #define RID_BSSLISTFIRST 0xFF72
473 #define RID_BSSLISTNEXT 0xFF73
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
495 /* This is redundant for x86 archs, but it seems necessary for ARM */
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
508 /* These structures are from the Aironet's PC4500 Developers Manual */
522 #define MOD_DEFAULT 0
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530 #define MODE_STA_IBSS 0
531 #define MODE_STA_ESS 1
533 #define MODE_AP_RPTR 3
534 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542 #define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544 #define RXMODE_BC_MC_ADDR 0
545 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
546 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547 #define RXMODE_RFMON 3 /* wireless monitor mode */
548 #define RXMODE_RFMON_ANYBSS 4
549 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u8 macAddr[ETH_ALEN];
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
562 u16 u16deviceType; /* for overriding device type */
566 /*---------- Scanning/Associating ----------*/
568 #define SCANMODE_ACTIVE 0
569 #define SCANMODE_PASSIVE 1
570 #define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
578 #define AUTH_OPEN 0x1
579 #define AUTH_ENCRYPT 0x101
580 #define AUTH_SHAREDKEY 0x102
581 #define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
587 u16 maxBeaconLostTime;
589 #define DISABLE_REFRESH 0xFFFF
591 /*---------- Power save operation ----------*/
593 #define POWERSAVE_CAM 0
594 #define POWERSAVE_PSP 1
595 #define POWERSAVE_PSPCAM 2
598 u16 fastListenInterval;
602 /*---------- Ap/Ibss config items ----------*/
611 /*---------- Radio configuration ----------*/
613 #define RADIOTYPE_DEFAULT 0
614 #define RADIOTYPE_802_11 1
615 #define RADIOTYPE_LEGACY 2
619 #define TXPOWER_DEFAULT 0
621 #define RSSI_DEFAULT 0
623 #define PREAMBLE_AUTO 0
624 #define PREAMBLE_LONG 1
625 #define PREAMBLE_SHORT 2
629 /*---------- Aironet Extensions ----------*/
635 /*---------- Aironet Extensions ----------*/
637 #define MAGIC_ACTION_STSCHG 1
638 #define MAGIC_ACTION_RESUME 2
639 #define MAGIC_IGNORE_MCAST (1<<8)
640 #define MAGIC_IGNORE_BCAST (1<<9)
641 #define MAGIC_SWITCH_TO_PSP (0<<10)
642 #define MAGIC_STAY_IN_CAM (1<<10)
656 u8 bssid[4][ETH_ALEN];
670 u16 normalizedSignalStrength;
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
682 #define STAT_NOPACKETS 0
683 #define STAT_NOCARRIERSET 10
684 #define STAT_GOTCARRIERSET 11
685 #define STAT_WRONGSSID 20
686 #define STAT_BADCHANNEL 25
687 #define STAT_BADBITRATES 30
688 #define STAT_BADPRIVACY 35
689 #define STAT_APFOUND 40
690 #define STAT_APREJECTED 50
691 #define STAT_AUTHENTICATING 60
692 #define STAT_DEAUTHENTICATED 61
693 #define STAT_AUTHTIMEOUT 62
694 #define STAT_ASSOCIATING 70
695 #define STAT_DEASSOCIATED 71
696 #define STAT_ASSOCTIMEOUT 72
697 #define STAT_NOTAIROAP 73
698 #define STAT_ASSOCIATED 80
699 #define STAT_LEAPING 90
700 #define STAT_LEAPFAILED 91
701 #define STAT_LEAPTIMEDOUT 92
702 #define STAT_LEAPCOMPLETE 93
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
729 char callid[ETH_ALEN];
730 char supportedRates[8];
733 u16 txPowerLevels[8];
748 u16 index; /* First is 0 and 0xffff means end of list */
749 #define RADIO_FH 1 /* Frequency hopping radio type */
750 #define RADIO_DS 2 /* Direct sequence radio type */
751 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
753 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
758 #define CAP_ESS (1<<0)
759 #define CAP_IBSS (1<<1)
760 #define CAP_PRIVACY (1<<4)
761 #define CAP_SHORTHDR (1<<5)
764 u8 rates[8]; /* Same as rates for config rid */
765 struct { /* For frequency hopping only */
819 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
820 #define TXCTL_TXEX (1<<2) /* report if tx fails */
821 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
822 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
823 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
824 #define TXCTL_LLC (1<<4) /* payload is llc */
825 #define TXCTL_RELEASE (0<<5) /* release after completion */
826 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
828 #define BUSY_FID 0x10000
831 #define AIROMAGIC 0xa55a
832 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
833 #ifdef SIOCIWFIRSTPRIV
834 #ifdef SIOCDEVPRIVATE
835 #define AIROOLDIOCTL SIOCDEVPRIVATE
836 #define AIROOLDIDIFC AIROOLDIOCTL + 1
837 #endif /* SIOCDEVPRIVATE */
838 #else /* SIOCIWFIRSTPRIV */
839 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
840 #endif /* SIOCIWFIRSTPRIV */
841 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
842 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
843 * only and don't return the modified struct ifreq to the application which
844 * is usually a problem. - Jean II */
845 #define AIROIOCTL SIOCIWFIRSTPRIV
846 #define AIROIDIFC AIROIOCTL + 1
848 /* Ioctl constants to be used in airo_ioctl.command */
850 #define AIROGCAP 0 // Capability rid
851 #define AIROGCFG 1 // USED A LOT
852 #define AIROGSLIST 2 // System ID list
853 #define AIROGVLIST 3 // List of specified AP's
854 #define AIROGDRVNAM 4 // NOTUSED
855 #define AIROGEHTENC 5 // NOTUSED
856 #define AIROGWEPKTMP 6
857 #define AIROGWEPKNV 7
859 #define AIROGSTATSC32 9
860 #define AIROGSTATSD32 10
861 #define AIROGMICRID 11
862 #define AIROGMICSTATS 12
863 #define AIROGFLAGS 13
866 #define AIRORSWVERSION 17
868 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
870 #define AIROPCAP AIROGSTATSD32 + 40
871 #define AIROPVLIST AIROPCAP + 1
872 #define AIROPSLIST AIROPVLIST + 1
873 #define AIROPCFG AIROPSLIST + 1
874 #define AIROPSIDS AIROPCFG + 1
875 #define AIROPAPLIST AIROPSIDS + 1
876 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
877 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
878 #define AIROPSTCLR AIROPMACOFF + 1
879 #define AIROPWEPKEY AIROPSTCLR + 1
880 #define AIROPWEPKEYNV AIROPWEPKEY + 1
881 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
882 #define AIROPLEAPUSR AIROPLEAPPWD + 1
886 #define AIROFLSHRST AIROPWEPKEYNV + 40
887 #define AIROFLSHGCHR AIROFLSHRST + 1
888 #define AIROFLSHSTFL AIROFLSHGCHR + 1
889 #define AIROFLSHPCHR AIROFLSHSTFL + 1
890 #define AIROFLPUTBUF AIROFLSHPCHR + 1
891 #define AIRORESTART AIROFLPUTBUF + 1
893 #define FLASHSIZE 32768
894 #define AUXMEMSIZE (256 * 1024)
896 typedef struct aironet_ioctl {
897 unsigned short command; // What to do
898 unsigned short len; // Len of data
899 unsigned short ridnum; // rid number
900 unsigned char __user *data; // d-data
903 static char swversion[] = "2.1";
904 #endif /* CISCO_EXT */
906 #define NUM_MODULES 2
907 #define MIC_MSGLEN_MAX 2400
908 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
912 u8 enabled; // MIC enabled or not
913 u32 rxSuccess; // successful packets received
914 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
915 u32 rxNotMICed; // pkts dropped due to not being MIC'd
916 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
917 u32 rxWrongSequence; // pkts dropped due to sequence number violation
922 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
923 u64 accum; // accumulated mic, reduced to u32 in final()
924 int position; // current position (byte offset) in message
928 } part; // saves partial message word across update() calls
932 emmh32_context seed; // Context - the seed
933 u32 rx; // Received sequence number
934 u32 tx; // Tx sequence number
935 u32 window; // Start of window
936 u8 valid; // Flag to say if context is valid or not
941 miccntx mCtx; // Multicast context
942 miccntx uCtx; // Unicast context
946 unsigned int rid: 16;
947 unsigned int len: 15;
948 unsigned int valid: 1;
949 dma_addr_t host_addr;
953 unsigned int offset: 15;
955 unsigned int len: 15;
956 unsigned int valid: 1;
957 dma_addr_t host_addr;
961 unsigned int ctl: 15;
963 unsigned int len: 15;
964 unsigned int valid: 1;
965 dma_addr_t host_addr;
969 * Host receive descriptor
972 unsigned char __iomem *card_ram_off; /* offset into card memory of the
974 RxFid rx_desc; /* card receive descriptor */
975 char *virtual_host_addr; /* virtual address of host receive
981 * Host transmit descriptor
984 unsigned char __iomem *card_ram_off; /* offset into card memory of the
986 TxFid tx_desc; /* card transmit descriptor */
987 char *virtual_host_addr; /* virtual address of host receive
993 * Host RID descriptor
996 unsigned char __iomem *card_ram_off; /* offset into card memory of the
998 Rid rid_desc; /* card RID descriptor */
999 char *virtual_host_addr; /* virtual address of host receive
1008 #define HOST_SET (1 << 0)
1009 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1010 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1011 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1012 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1013 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1014 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1015 #define HOST_RTS (1 << 9) /* Force RTS use */
1016 #define HOST_SHORT (1 << 10) /* Do short preamble */
1043 static WifiCtlHdr wifictlhdr8023 = {
1045 .ctl = HOST_DONT_RLSE,
1049 // Frequency list (map channels to frequencies)
1050 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1051 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1053 // A few details needed for WEP (Wireless Equivalent Privacy)
1054 #define MAX_KEY_SIZE 13 // 128 (?) bits
1055 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1056 typedef struct wep_key_t {
1058 u8 key[16]; /* 40-bit and 104-bit keys */
1061 /* Backward compatibility */
1062 #ifndef IW_ENCODE_NOKEY
1063 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1064 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1065 #endif /* IW_ENCODE_NOKEY */
1067 /* List of Wireless Handlers (new API) */
1068 static const struct iw_handler_def airo_handler_def;
1070 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1074 static int get_dec_u16( char *buffer, int *start, int limit );
1075 static void OUT4500( struct airo_info *, u16 register, u16 value );
1076 static unsigned short IN4500( struct airo_info *, u16 register );
1077 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1078 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1079 static void disable_MAC(struct airo_info *ai, int lock);
1080 static void enable_interrupts(struct airo_info*);
1081 static void disable_interrupts(struct airo_info*);
1082 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1083 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1084 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1086 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1088 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1090 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1091 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1092 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1093 *pBuf, int len, int lock);
1094 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1095 int len, int dummy );
1096 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1097 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1098 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1100 static int mpi_send_packet (struct net_device *dev);
1101 static void mpi_unmap_card(struct pci_dev *pci);
1102 static void mpi_receive_802_3(struct airo_info *ai);
1103 static void mpi_receive_802_11(struct airo_info *ai);
1104 static int waitbusy (struct airo_info *ai);
1106 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1108 static int airo_thread(void *data);
1109 static void timer_func( struct net_device *dev );
1110 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1111 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1112 static void airo_read_wireless_stats (struct airo_info *local);
1114 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1115 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1116 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1117 #endif /* CISCO_EXT */
1119 static void micinit(struct airo_info *ai);
1120 static int micsetup(struct airo_info *ai);
1121 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1122 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1124 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1125 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1127 #include <linux/crypto.h>
1131 struct net_device_stats stats;
1132 struct net_device *dev;
1133 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1134 use the high bit to mark whether it is in use. */
1136 #define MPI_MAX_FIDS 1
1139 char keyindex; // Used with auto wep
1140 char defindex; // Used with auto wep
1141 struct proc_dir_entry *proc_entry;
1142 spinlock_t aux_lock;
1143 unsigned long flags;
1144 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1145 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1146 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1147 #define FLAG_RADIO_MASK 0x03
1148 #define FLAG_ENABLED 2
1149 #define FLAG_ADHOC 3 /* Needed by MIC */
1150 #define FLAG_MIC_CAPABLE 4
1151 #define FLAG_UPDATE_MULTI 5
1152 #define FLAG_UPDATE_UNI 6
1153 #define FLAG_802_11 7
1154 #define FLAG_PENDING_XMIT 9
1155 #define FLAG_PENDING_XMIT11 10
1157 #define FLAG_REGISTERED 12
1158 #define FLAG_COMMIT 13
1159 #define FLAG_RESET 14
1160 #define FLAG_FLASHING 15
1161 #define JOB_MASK 0x1ff0000
1164 #define JOB_XMIT11 18
1165 #define JOB_STATS 19
1166 #define JOB_PROMISC 20
1168 #define JOB_EVENT 22
1169 #define JOB_AUTOWEP 23
1170 #define JOB_WSTATS 24
1171 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1173 unsigned short *flash;
1175 struct task_struct *task;
1176 struct semaphore sem;
1178 wait_queue_head_t thr_wait;
1179 struct completion thr_exited;
1180 unsigned long expires;
1182 struct sk_buff *skb;
1185 struct net_device *wifidev;
1186 struct iw_statistics wstats; // wireless stats
1187 unsigned long scan_timestamp; /* Time started to scan */
1188 struct iw_spy_data spy_data;
1189 struct iw_public_data wireless_data;
1192 struct crypto_tfm *tfm;
1194 mic_statistics micstats;
1196 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1197 HostTxDesc txfids[MPI_MAX_FIDS];
1198 HostRidDesc config_desc;
1199 unsigned long ridbus; // phys addr of config_desc
1200 struct sk_buff_head txq;// tx queue used by mpi350 code
1201 struct pci_dev *pci;
1202 unsigned char __iomem *pcimem;
1203 unsigned char __iomem *pciaux;
1204 unsigned char *shared;
1205 dma_addr_t shared_dma;
1209 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1210 char proc_name[IFNAMSIZ];
1213 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1215 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1218 static int setup_proc_entry( struct net_device *dev,
1219 struct airo_info *apriv );
1220 static int takedown_proc_entry( struct net_device *dev,
1221 struct airo_info *apriv );
1223 static int cmdreset(struct airo_info *ai);
1224 static int setflashmode (struct airo_info *ai);
1225 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1226 static int flashputbuf(struct airo_info *ai);
1227 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1230 /***********************************************************************
1232 ***********************************************************************
1235 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1236 static void MoveWindow(miccntx *context, u32 micSeq);
1237 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1238 static void emmh32_init(emmh32_context *context);
1239 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1240 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1241 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1243 /* micinit - Initialize mic seed */
1245 static void micinit(struct airo_info *ai)
1249 clear_bit(JOB_MIC, &ai->flags);
1250 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1253 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1255 if (ai->micstats.enabled) {
1256 /* Key must be valid and different */
1257 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1258 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1259 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1260 /* Age current mic Context */
1261 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1262 /* Initialize new context */
1263 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1264 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1265 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1266 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1267 ai->mod[0].mCtx.valid = 1; //Key is now valid
1269 /* Give key to mic seed */
1270 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1273 /* Key must be valid and different */
1274 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1275 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1276 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1277 /* Age current mic Context */
1278 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1279 /* Initialize new context */
1280 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1282 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1283 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1284 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1285 ai->mod[0].uCtx.valid = 1; //Key is now valid
1287 //Give key to mic seed
1288 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1291 /* So next time we have a valid key and mic is enabled, we will update
1292 * the sequence number if the key is the same as before.
1294 ai->mod[0].uCtx.valid = 0;
1295 ai->mod[0].mCtx.valid = 0;
1299 /* micsetup - Get ready for business */
1301 static int micsetup(struct airo_info *ai) {
1304 if (ai->tfm == NULL)
1305 ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP);
1307 if (ai->tfm == NULL) {
1308 printk(KERN_ERR "airo: failed to load transform for AES\n");
1312 for (i=0; i < NUM_MODULES; i++) {
1313 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1314 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1319 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1321 /*===========================================================================
1322 * Description: Mic a packet
1324 * Inputs: etherHead * pointer to an 802.3 frame
1326 * Returns: BOOLEAN if successful, otherwise false.
1327 * PacketTxLen will be updated with the mic'd packets size.
1329 * Caveats: It is assumed that the frame buffer will already
1330 * be big enough to hold the largets mic message possible.
1331 * (No memory allocation is done here).
1333 * Author: sbraneky (10/15/01)
1334 * Merciless hacks by rwilcher (1/14/02)
1337 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1341 // Determine correct context
1342 // If not adhoc, always use unicast key
1344 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1345 context = &ai->mod[0].mCtx;
1347 context = &ai->mod[0].uCtx;
1349 if (!context->valid)
1352 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1354 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1357 mic->seq = htonl(context->tx);
1360 emmh32_init(&context->seed); // Mic the packet
1361 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1362 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1363 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1364 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1365 emmh32_final(&context->seed, (u8*)&mic->mic);
1367 /* New Type/length ?????????? */
1368 mic->typelen = 0; //Let NIC know it could be an oversized packet
1380 /*===========================================================================
1381 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1382 * (removes the MIC stuff) if packet is a valid packet.
1384 * Inputs: etherHead pointer to the 802.3 packet
1386 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1388 * Author: sbraneky (10/15/01)
1389 * Merciless hacks by rwilcher (1/14/02)
1390 *---------------------------------------------------------------------------
1393 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1399 mic_error micError = NONE;
1401 // Check if the packet is a Mic'd packet
1403 if (!ai->micstats.enabled) {
1404 //No Mic set or Mic OFF but we received a MIC'd packet.
1405 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1406 ai->micstats.rxMICPlummed++;
1412 if (ntohs(mic->typelen) == 0x888E)
1415 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1416 // Mic enabled but packet isn't Mic'd
1417 ai->micstats.rxMICPlummed++;
1421 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1423 //At this point we a have a mic'd packet and mic is enabled
1424 //Now do the mic error checking.
1426 //Receive seq must be odd
1427 if ( (micSEQ & 1) == 0 ) {
1428 ai->micstats.rxWrongSequence++;
1432 for (i = 0; i < NUM_MODULES; i++) {
1433 int mcast = eth->da[0] & 1;
1434 //Determine proper context
1435 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1437 //Make sure context is valid
1438 if (!context->valid) {
1440 micError = NOMICPLUMMED;
1446 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1448 emmh32_init(&context->seed);
1449 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1450 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1451 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1452 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1454 emmh32_final(&context->seed, digest);
1456 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1459 micError = INCORRECTMIC;
1463 //Check Sequence number if mics pass
1464 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1465 ai->micstats.rxSuccess++;
1469 micError = SEQUENCE;
1472 // Update statistics
1474 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1475 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1476 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1483 /*===========================================================================
1484 * Description: Checks the Rx Seq number to make sure it is valid
1485 * and hasn't already been received
1487 * Inputs: miccntx - mic context to check seq against
1488 * micSeq - the Mic seq number
1490 * Returns: TRUE if valid otherwise FALSE.
1492 * Author: sbraneky (10/15/01)
1493 * Merciless hacks by rwilcher (1/14/02)
1494 *---------------------------------------------------------------------------
1497 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1501 //Allow for the ap being rebooted - if it is then use the next
1502 //sequence number of the current sequence number - might go backwards
1505 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1506 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1507 context->window = (micSeq > 33) ? micSeq : 33;
1508 context->rx = 0; // Reset rx
1510 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1511 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1512 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1513 context->rx = 0; // Reset rx
1516 //Make sequence number relative to START of window
1517 seq = micSeq - (context->window - 33);
1519 //Too old of a SEQ number to check.
1524 //Window is infinite forward
1525 MoveWindow(context,micSeq);
1529 // We are in the window. Now check the context rx bit to see if it was already sent
1530 seq >>= 1; //divide by 2 because we only have odd numbers
1531 index = 1 << seq; //Get an index number
1533 if (!(context->rx & index)) {
1534 //micSEQ falls inside the window.
1535 //Add seqence number to the list of received numbers.
1536 context->rx |= index;
1538 MoveWindow(context,micSeq);
1545 static void MoveWindow(miccntx *context, u32 micSeq)
1549 //Move window if seq greater than the middle of the window
1550 if (micSeq > context->window) {
1551 shift = (micSeq - context->window) >> 1;
1555 context->rx >>= shift;
1559 context->window = micSeq; //Move window
1563 /*==============================================*/
1564 /*========== EMMH ROUTINES ====================*/
1565 /*==============================================*/
1567 /* mic accumulate */
1568 #define MIC_ACCUM(val) \
1569 context->accum += (u64)(val) * context->coeff[coeff_position++];
1571 static unsigned char aes_counter[16];
1573 /* expand the key to fill the MMH coefficient array */
1574 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1576 /* take the keying material, expand if necessary, truncate at 16-bytes */
1577 /* run through AES counter mode to generate context->coeff[] */
1581 u8 *cipher, plain[16];
1582 struct scatterlist sg[1];
1584 crypto_cipher_setkey(tfm, pkey, 16);
1586 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1587 aes_counter[15] = (u8)(counter >> 0);
1588 aes_counter[14] = (u8)(counter >> 8);
1589 aes_counter[13] = (u8)(counter >> 16);
1590 aes_counter[12] = (u8)(counter >> 24);
1592 memcpy (plain, aes_counter, 16);
1593 sg[0].page = virt_to_page(plain);
1594 sg[0].offset = ((long) plain & ~PAGE_MASK);
1596 crypto_cipher_encrypt(tfm, sg, sg, 16);
1597 cipher = kmap(sg[0].page) + sg[0].offset;
1598 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1599 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1605 /* prepare for calculation of a new mic */
1606 static void emmh32_init(emmh32_context *context)
1608 /* prepare for new mic calculation */
1610 context->position = 0;
1613 /* add some bytes to the mic calculation */
1614 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1616 int coeff_position, byte_position;
1618 if (len == 0) return;
1620 coeff_position = context->position >> 2;
1622 /* deal with partial 32-bit word left over from last update */
1623 byte_position = context->position & 3;
1624 if (byte_position) {
1625 /* have a partial word in part to deal with */
1627 if (len == 0) return;
1628 context->part.d8[byte_position++] = *pOctets++;
1629 context->position++;
1631 } while (byte_position < 4);
1632 MIC_ACCUM(htonl(context->part.d32));
1635 /* deal with full 32-bit words */
1637 MIC_ACCUM(htonl(*(u32 *)pOctets));
1638 context->position += 4;
1643 /* deal with partial 32-bit word that will be left over from this update */
1646 context->part.d8[byte_position++] = *pOctets++;
1647 context->position++;
1652 /* mask used to zero empty bytes for final partial word */
1653 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1655 /* calculate the mic */
1656 static void emmh32_final(emmh32_context *context, u8 digest[4])
1658 int coeff_position, byte_position;
1664 coeff_position = context->position >> 2;
1666 /* deal with partial 32-bit word left over from last update */
1667 byte_position = context->position & 3;
1668 if (byte_position) {
1669 /* have a partial word in part to deal with */
1670 val = htonl(context->part.d32);
1671 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1674 /* reduce the accumulated u64 to a 32-bit MIC */
1675 sum = context->accum;
1676 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1677 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1678 sum = utmp & 0xffffffffLL;
1679 if (utmp > 0x10000000fLL)
1683 digest[0] = (val>>24) & 0xFF;
1684 digest[1] = (val>>16) & 0xFF;
1685 digest[2] = (val>>8) & 0xFF;
1686 digest[3] = val & 0xFF;
1690 static int readBSSListRid(struct airo_info *ai, int first,
1697 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1698 memset(&cmd, 0, sizeof(cmd));
1699 cmd.cmd=CMD_LISTBSS;
1700 if (down_interruptible(&ai->sem))
1701 return -ERESTARTSYS;
1702 issuecommand(ai, &cmd, &rsp);
1704 /* Let the command take effect */
1709 rc = PC4500_readrid(ai, first ? RID_BSSLISTFIRST : RID_BSSLISTNEXT,
1710 list, sizeof(*list), 1);
1712 list->len = le16_to_cpu(list->len);
1713 list->index = le16_to_cpu(list->index);
1714 list->radioType = le16_to_cpu(list->radioType);
1715 list->cap = le16_to_cpu(list->cap);
1716 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1717 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1718 list->dsChannel = le16_to_cpu(list->dsChannel);
1719 list->atimWindow = le16_to_cpu(list->atimWindow);
1720 list->dBm = le16_to_cpu(list->dBm);
1724 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1725 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1726 wkr, sizeof(*wkr), lock);
1728 wkr->len = le16_to_cpu(wkr->len);
1729 wkr->kindex = le16_to_cpu(wkr->kindex);
1730 wkr->klen = le16_to_cpu(wkr->klen);
1733 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1734 * the originals when we endian them... */
1735 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1737 WepKeyRid wkr = *pwkr;
1739 wkr.len = cpu_to_le16(wkr.len);
1740 wkr.kindex = cpu_to_le16(wkr.kindex);
1741 wkr.klen = cpu_to_le16(wkr.klen);
1742 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1743 if (rc!=SUCCESS) printk(KERN_ERR "airo: WEP_TEMP set %x\n", rc);
1745 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1747 printk(KERN_ERR "airo: WEP_PERM set %x\n", rc);
1753 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1755 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1757 ssidr->len = le16_to_cpu(ssidr->len);
1758 for(i = 0; i < 3; i++) {
1759 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1763 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1766 SsidRid ssidr = *pssidr;
1768 ssidr.len = cpu_to_le16(ssidr.len);
1769 for(i = 0; i < 3; i++) {
1770 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1772 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1775 static int readConfigRid(struct airo_info*ai, int lock) {
1783 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1787 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1789 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1790 *s = le16_to_cpu(*s);
1792 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1793 *s = le16_to_cpu(*s);
1795 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1796 *s = cpu_to_le16(*s);
1798 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1799 *s = cpu_to_le16(*s);
1804 static inline void checkThrottle(struct airo_info *ai) {
1806 /* Old hardware had a limit on encryption speed */
1807 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1808 for(i=0; i<8; i++) {
1809 if (ai->config.rates[i] > maxencrypt) {
1810 ai->config.rates[i] = 0;
1815 static int writeConfigRid(struct airo_info*ai, int lock) {
1819 if (!test_bit (FLAG_COMMIT, &ai->flags))
1822 clear_bit (FLAG_COMMIT, &ai->flags);
1823 clear_bit (FLAG_RESET, &ai->flags);
1827 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1828 set_bit(FLAG_ADHOC, &ai->flags);
1830 clear_bit(FLAG_ADHOC, &ai->flags);
1832 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1834 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1835 *s = cpu_to_le16(*s);
1837 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1838 *s = cpu_to_le16(*s);
1840 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1841 *s = cpu_to_le16(*s);
1843 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1844 *s = cpu_to_le16(*s);
1846 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1848 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1849 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1852 statr->len = le16_to_cpu(statr->len);
1853 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1855 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1856 *s = le16_to_cpu(*s);
1857 statr->load = le16_to_cpu(statr->load);
1858 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1861 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1862 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1863 aplr->len = le16_to_cpu(aplr->len);
1866 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1868 aplr->len = cpu_to_le16(aplr->len);
1869 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1872 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1873 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1876 capr->len = le16_to_cpu(capr->len);
1877 capr->prodNum = le16_to_cpu(capr->prodNum);
1878 capr->radioType = le16_to_cpu(capr->radioType);
1879 capr->country = le16_to_cpu(capr->country);
1880 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1881 *s = le16_to_cpu(*s);
1884 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1885 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1888 sr->len = le16_to_cpu(sr->len);
1889 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1893 static int airo_open(struct net_device *dev) {
1894 struct airo_info *info = dev->priv;
1897 if (test_bit(FLAG_FLASHING, &info->flags))
1900 /* Make sure the card is configured.
1901 * Wireless Extensions may postpone config changes until the card
1902 * is open (to pipeline changes and speed-up card setup). If
1903 * those changes are not yet commited, do it now - Jean II */
1904 if (test_bit (FLAG_COMMIT, &info->flags)) {
1905 disable_MAC(info, 1);
1906 writeConfigRid(info, 1);
1909 if (info->wifidev != dev) {
1910 /* Power on the MAC controller (which may have been disabled) */
1911 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1912 enable_interrupts(info);
1914 enable_MAC(info, &rsp, 1);
1916 netif_start_queue(dev);
1920 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1921 int npacks, pending;
1922 unsigned long flags;
1923 struct airo_info *ai = dev->priv;
1926 printk(KERN_ERR "airo: %s: skb==NULL\n",__FUNCTION__);
1929 npacks = skb_queue_len (&ai->txq);
1931 if (npacks >= MAXTXQ - 1) {
1932 netif_stop_queue (dev);
1933 if (npacks > MAXTXQ) {
1934 ai->stats.tx_fifo_errors++;
1937 skb_queue_tail (&ai->txq, skb);
1941 spin_lock_irqsave(&ai->aux_lock, flags);
1942 skb_queue_tail (&ai->txq, skb);
1943 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1944 spin_unlock_irqrestore(&ai->aux_lock,flags);
1945 netif_wake_queue (dev);
1948 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1949 mpi_send_packet (dev);
1957 * Attempt to transmit a packet. Can be called from interrupt
1958 * or transmit . return number of packets we tried to send
1961 static int mpi_send_packet (struct net_device *dev)
1963 struct sk_buff *skb;
1964 unsigned char *buffer;
1965 s16 len, *payloadLen;
1966 struct airo_info *ai = dev->priv;
1969 /* get a packet to send */
1971 if ((skb = skb_dequeue(&ai->txq)) == 0) {
1973 "airo: %s: Dequeue'd zero in send_packet()\n",
1978 /* check min length*/
1979 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1982 ai->txfids[0].tx_desc.offset = 0;
1983 ai->txfids[0].tx_desc.valid = 1;
1984 ai->txfids[0].tx_desc.eoc = 1;
1985 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1988 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1989 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1990 * is immediatly after it. ------------------------------------------------
1991 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1992 * ------------------------------------------------
1995 memcpy((char *)ai->txfids[0].virtual_host_addr,
1996 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1998 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
1999 sizeof(wifictlhdr8023));
2000 sendbuf = ai->txfids[0].virtual_host_addr +
2001 sizeof(wifictlhdr8023) + 2 ;
2004 * Firmware automaticly puts 802 header on so
2005 * we don't need to account for it in the length
2008 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2009 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2012 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2015 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2016 ai->txfids[0].tx_desc.len += sizeof(pMic);
2017 /* copy data into airo dma buffer */
2018 memcpy (sendbuf, buffer, sizeof(etherHead));
2019 buffer += sizeof(etherHead);
2020 sendbuf += sizeof(etherHead);
2021 memcpy (sendbuf, &pMic, sizeof(pMic));
2022 sendbuf += sizeof(pMic);
2023 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2027 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2029 dev->trans_start = jiffies;
2031 /* copy data into airo dma buffer */
2032 memcpy(sendbuf, buffer, len);
2035 memcpy_toio(ai->txfids[0].card_ram_off,
2036 &ai->txfids[0].tx_desc, sizeof(TxFid));
2038 OUT4500(ai, EVACK, 8);
2040 dev_kfree_skb_any(skb);
2044 static void get_tx_error(struct airo_info *ai, u32 fid)
2049 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2051 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2053 bap_read(ai, &status, 2, BAP0);
2055 if (le16_to_cpu(status) & 2) /* Too many retries */
2056 ai->stats.tx_aborted_errors++;
2057 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2058 ai->stats.tx_heartbeat_errors++;
2059 if (le16_to_cpu(status) & 8) /* Aid fail */
2061 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2062 ai->stats.tx_carrier_errors++;
2063 if (le16_to_cpu(status) & 0x20) /* Association lost */
2065 /* We produce a TXDROP event only for retry or lifetime
2066 * exceeded, because that's the only status that really mean
2067 * that this particular node went away.
2068 * Other errors means that *we* screwed up. - Jean II */
2069 if ((le16_to_cpu(status) & 2) ||
2070 (le16_to_cpu(status) & 4)) {
2071 union iwreq_data wrqu;
2074 /* Faster to skip over useless data than to do
2075 * another bap_setup(). We are at offset 0x6 and
2076 * need to go to 0x18 and read 6 bytes - Jean II */
2077 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2079 /* Copy 802.11 dest address.
2080 * We use the 802.11 header because the frame may
2081 * not be 802.3 or may be mangled...
2082 * In Ad-Hoc mode, it will be the node address.
2083 * In managed mode, it will be most likely the AP addr
2084 * User space will figure out how to convert it to
2085 * whatever it needs (IP address or else).
2087 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2088 wrqu.addr.sa_family = ARPHRD_ETHER;
2090 /* Send event to user space */
2091 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2095 static void airo_end_xmit(struct net_device *dev) {
2098 struct airo_info *priv = dev->priv;
2099 struct sk_buff *skb = priv->xmit.skb;
2100 int fid = priv->xmit.fid;
2101 u32 *fids = priv->fids;
2103 clear_bit(JOB_XMIT, &priv->flags);
2104 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2105 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2109 if ( status == SUCCESS ) {
2110 dev->trans_start = jiffies;
2111 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2113 priv->fids[fid] &= 0xffff;
2114 priv->stats.tx_window_errors++;
2116 if (i < MAX_FIDS / 2)
2117 netif_wake_queue(dev);
2121 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2124 struct airo_info *priv = dev->priv;
2125 u32 *fids = priv->fids;
2127 if ( skb == NULL ) {
2128 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2132 /* Find a vacant FID */
2133 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2134 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2136 if ( j >= MAX_FIDS / 2 ) {
2137 netif_stop_queue(dev);
2139 if (i == MAX_FIDS / 2) {
2140 priv->stats.tx_fifo_errors++;
2144 /* check min length*/
2145 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2146 /* Mark fid as used & save length for later */
2147 fids[i] |= (len << 16);
2148 priv->xmit.skb = skb;
2150 if (down_trylock(&priv->sem) != 0) {
2151 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2152 netif_stop_queue(dev);
2153 set_bit(JOB_XMIT, &priv->flags);
2154 wake_up_interruptible(&priv->thr_wait);
2160 static void airo_end_xmit11(struct net_device *dev) {
2163 struct airo_info *priv = dev->priv;
2164 struct sk_buff *skb = priv->xmit11.skb;
2165 int fid = priv->xmit11.fid;
2166 u32 *fids = priv->fids;
2168 clear_bit(JOB_XMIT11, &priv->flags);
2169 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2170 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2174 if ( status == SUCCESS ) {
2175 dev->trans_start = jiffies;
2176 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2178 priv->fids[fid] &= 0xffff;
2179 priv->stats.tx_window_errors++;
2182 netif_wake_queue(dev);
2186 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2189 struct airo_info *priv = dev->priv;
2190 u32 *fids = priv->fids;
2192 if (test_bit(FLAG_MPI, &priv->flags)) {
2193 /* Not implemented yet for MPI350 */
2194 netif_stop_queue(dev);
2198 if ( skb == NULL ) {
2199 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2203 /* Find a vacant FID */
2204 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2205 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2207 if ( j >= MAX_FIDS ) {
2208 netif_stop_queue(dev);
2210 if (i == MAX_FIDS) {
2211 priv->stats.tx_fifo_errors++;
2215 /* check min length*/
2216 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2217 /* Mark fid as used & save length for later */
2218 fids[i] |= (len << 16);
2219 priv->xmit11.skb = skb;
2220 priv->xmit11.fid = i;
2221 if (down_trylock(&priv->sem) != 0) {
2222 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2223 netif_stop_queue(dev);
2224 set_bit(JOB_XMIT11, &priv->flags);
2225 wake_up_interruptible(&priv->thr_wait);
2227 airo_end_xmit11(dev);
2231 static void airo_read_stats(struct airo_info *ai) {
2233 u32 *vals = stats_rid.vals;
2235 clear_bit(JOB_STATS, &ai->flags);
2236 if (ai->power.event) {
2240 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2243 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2244 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2245 ai->stats.rx_bytes = vals[92];
2246 ai->stats.tx_bytes = vals[91];
2247 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2248 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2249 ai->stats.multicast = vals[43];
2250 ai->stats.collisions = vals[89];
2252 /* detailed rx_errors: */
2253 ai->stats.rx_length_errors = vals[3];
2254 ai->stats.rx_crc_errors = vals[4];
2255 ai->stats.rx_frame_errors = vals[2];
2256 ai->stats.rx_fifo_errors = vals[0];
2259 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2261 struct airo_info *local = dev->priv;
2263 if (!test_bit(JOB_STATS, &local->flags)) {
2264 /* Get stats out of the card if available */
2265 if (down_trylock(&local->sem) != 0) {
2266 set_bit(JOB_STATS, &local->flags);
2267 wake_up_interruptible(&local->thr_wait);
2269 airo_read_stats(local);
2272 return &local->stats;
2275 static void airo_set_promisc(struct airo_info *ai) {
2279 memset(&cmd, 0, sizeof(cmd));
2280 cmd.cmd=CMD_SETMODE;
2281 clear_bit(JOB_PROMISC, &ai->flags);
2282 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2283 issuecommand(ai, &cmd, &rsp);
2287 static void airo_set_multicast_list(struct net_device *dev) {
2288 struct airo_info *ai = dev->priv;
2290 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2291 change_bit(FLAG_PROMISC, &ai->flags);
2292 if (down_trylock(&ai->sem) != 0) {
2293 set_bit(JOB_PROMISC, &ai->flags);
2294 wake_up_interruptible(&ai->thr_wait);
2296 airo_set_promisc(ai);
2299 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2300 /* Turn on multicast. (Should be already setup...) */
2304 static int airo_set_mac_address(struct net_device *dev, void *p)
2306 struct airo_info *ai = dev->priv;
2307 struct sockaddr *addr = p;
2310 readConfigRid(ai, 1);
2311 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2312 set_bit (FLAG_COMMIT, &ai->flags);
2314 writeConfigRid (ai, 1);
2315 enable_MAC(ai, &rsp, 1);
2316 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2318 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2322 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2324 if ((new_mtu < 68) || (new_mtu > 2400))
2331 static int airo_close(struct net_device *dev) {
2332 struct airo_info *ai = dev->priv;
2334 netif_stop_queue(dev);
2336 if (ai->wifidev != dev) {
2337 #ifdef POWER_ON_DOWN
2338 /* Shut power to the card. The idea is that the user can save
2339 * power when he doesn't need the card with "ifconfig down".
2340 * That's the method that is most friendly towards the network
2341 * stack (i.e. the network stack won't try to broadcast
2342 * anything on the interface and routes are gone. Jean II */
2343 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2346 disable_interrupts( ai );
2351 static void del_airo_dev( struct net_device *dev );
2353 void stop_airo_card( struct net_device *dev, int freeres )
2355 struct airo_info *ai = dev->priv;
2357 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2359 disable_interrupts(ai);
2360 free_irq( dev->irq, dev );
2361 takedown_proc_entry( dev, ai );
2362 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2363 unregister_netdev( dev );
2365 unregister_netdev(ai->wifidev);
2366 free_netdev(ai->wifidev);
2369 clear_bit(FLAG_REGISTERED, &ai->flags);
2371 set_bit(JOB_DIE, &ai->flags);
2372 kill_proc(ai->thr_pid, SIGTERM, 1);
2373 wait_for_completion(&ai->thr_exited);
2376 * Clean out tx queue
2378 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2379 struct sk_buff *skb = NULL;
2380 for (;(skb = skb_dequeue(&ai->txq));)
2393 /* PCMCIA frees this stuff, so only for PCI and ISA */
2394 release_region( dev->base_addr, 64 );
2395 if (test_bit(FLAG_MPI, &ai->flags)) {
2397 mpi_unmap_card(ai->pci);
2399 iounmap(ai->pcimem);
2401 iounmap(ai->pciaux);
2402 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2403 ai->shared, ai->shared_dma);
2407 crypto_free_tfm(ai->tfm);
2409 del_airo_dev( dev );
2413 EXPORT_SYMBOL(stop_airo_card);
2415 static int add_airo_dev( struct net_device *dev );
2417 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2419 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2423 static void mpi_unmap_card(struct pci_dev *pci)
2425 unsigned long mem_start = pci_resource_start(pci, 1);
2426 unsigned long mem_len = pci_resource_len(pci, 1);
2427 unsigned long aux_start = pci_resource_start(pci, 2);
2428 unsigned long aux_len = AUXMEMSIZE;
2430 release_mem_region(aux_start, aux_len);
2431 release_mem_region(mem_start, mem_len);
2434 /*************************************************************
2435 * This routine assumes that descriptors have been setup .
2436 * Run at insmod time or after reset when the decriptors
2437 * have been initialized . Returns 0 if all is well nz
2438 * otherwise . Does not allocate memory but sets up card
2439 * using previously allocated descriptors.
2441 static int mpi_init_descriptors (struct airo_info *ai)
2448 /* Alloc card RX descriptors */
2449 netif_stop_queue(ai->dev);
2451 memset(&rsp,0,sizeof(rsp));
2452 memset(&cmd,0,sizeof(cmd));
2454 cmd.cmd = CMD_ALLOCATEAUX;
2456 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2457 cmd.parm2 = MPI_MAX_FIDS;
2458 rc=issuecommand(ai, &cmd, &rsp);
2459 if (rc != SUCCESS) {
2460 printk(KERN_ERR "airo: Couldn't allocate RX FID\n");
2464 for (i=0; i<MPI_MAX_FIDS; i++) {
2465 memcpy_toio(ai->rxfids[i].card_ram_off,
2466 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2469 /* Alloc card TX descriptors */
2471 memset(&rsp,0,sizeof(rsp));
2472 memset(&cmd,0,sizeof(cmd));
2474 cmd.cmd = CMD_ALLOCATEAUX;
2476 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2477 cmd.parm2 = MPI_MAX_FIDS;
2479 for (i=0; i<MPI_MAX_FIDS; i++) {
2480 ai->txfids[i].tx_desc.valid = 1;
2481 memcpy_toio(ai->txfids[i].card_ram_off,
2482 &ai->txfids[i].tx_desc, sizeof(TxFid));
2484 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
2488 printk(KERN_ERR "airo: Couldn't allocate TX FID\n");
2492 /* Alloc card Rid descriptor */
2493 memset(&rsp,0,sizeof(rsp));
2494 memset(&cmd,0,sizeof(cmd));
2496 cmd.cmd = CMD_ALLOCATEAUX;
2498 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2499 cmd.parm2 = 1; /* Magic number... */
2500 rc=issuecommand(ai, &cmd, &rsp);
2501 if (rc != SUCCESS) {
2502 printk(KERN_ERR "airo: Couldn't allocate RID\n");
2506 memcpy_toio(ai->config_desc.card_ram_off,
2507 &ai->config_desc.rid_desc, sizeof(Rid));
2513 * We are setting up three things here:
2514 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2515 * 2) Map PCI memory for issueing commands.
2516 * 3) Allocate memory (shared) to send and receive ethernet frames.
2518 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2521 unsigned long mem_start, mem_len, aux_start, aux_len;
2524 dma_addr_t busaddroff;
2525 unsigned char *vpackoff;
2526 unsigned char __iomem *pciaddroff;
2528 mem_start = pci_resource_start(pci, 1);
2529 mem_len = pci_resource_len(pci, 1);
2530 aux_start = pci_resource_start(pci, 2);
2531 aux_len = AUXMEMSIZE;
2533 if (!request_mem_region(mem_start, mem_len, name)) {
2534 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2535 (int)mem_start, (int)mem_len, name);
2538 if (!request_mem_region(aux_start, aux_len, name)) {
2539 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2540 (int)aux_start, (int)aux_len, name);
2544 ai->pcimem = ioremap(mem_start, mem_len);
2546 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2547 (int)mem_start, (int)mem_len, name);
2550 ai->pciaux = ioremap(aux_start, aux_len);
2552 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2553 (int)aux_start, (int)aux_len, name);
2557 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2558 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2560 printk(KERN_ERR "airo: Couldn't alloc_consistent %d\n",
2566 * Setup descriptor RX, TX, CONFIG
2568 busaddroff = ai->shared_dma;
2569 pciaddroff = ai->pciaux + AUX_OFFSET;
2570 vpackoff = ai->shared;
2572 /* RX descriptor setup */
2573 for(i = 0; i < MPI_MAX_FIDS; i++) {
2574 ai->rxfids[i].pending = 0;
2575 ai->rxfids[i].card_ram_off = pciaddroff;
2576 ai->rxfids[i].virtual_host_addr = vpackoff;
2577 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2578 ai->rxfids[i].rx_desc.valid = 1;
2579 ai->rxfids[i].rx_desc.len = PKTSIZE;
2580 ai->rxfids[i].rx_desc.rdy = 0;
2582 pciaddroff += sizeof(RxFid);
2583 busaddroff += PKTSIZE;
2584 vpackoff += PKTSIZE;
2587 /* TX descriptor setup */
2588 for(i = 0; i < MPI_MAX_FIDS; i++) {
2589 ai->txfids[i].card_ram_off = pciaddroff;
2590 ai->txfids[i].virtual_host_addr = vpackoff;
2591 ai->txfids[i].tx_desc.valid = 1;
2592 ai->txfids[i].tx_desc.host_addr = busaddroff;
2593 memcpy(ai->txfids[i].virtual_host_addr,
2594 &wifictlhdr8023, sizeof(wifictlhdr8023));
2596 pciaddroff += sizeof(TxFid);
2597 busaddroff += PKTSIZE;
2598 vpackoff += PKTSIZE;
2600 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2602 /* Rid descriptor setup */
2603 ai->config_desc.card_ram_off = pciaddroff;
2604 ai->config_desc.virtual_host_addr = vpackoff;
2605 ai->config_desc.rid_desc.host_addr = busaddroff;
2606 ai->ridbus = busaddroff;
2607 ai->config_desc.rid_desc.rid = 0;
2608 ai->config_desc.rid_desc.len = RIDSIZE;
2609 ai->config_desc.rid_desc.valid = 1;
2610 pciaddroff += sizeof(Rid);
2611 busaddroff += RIDSIZE;
2612 vpackoff += RIDSIZE;
2614 /* Tell card about descriptors */
2615 if (mpi_init_descriptors (ai) != SUCCESS)
2620 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2622 iounmap(ai->pciaux);
2624 iounmap(ai->pcimem);
2626 release_mem_region(aux_start, aux_len);
2628 release_mem_region(mem_start, mem_len);
2633 static void wifi_setup(struct net_device *dev)
2635 dev->hard_header = NULL;
2636 dev->rebuild_header = NULL;
2637 dev->hard_header_cache = NULL;
2638 dev->header_cache_update= NULL;
2640 dev->hard_header_parse = wll_header_parse;
2641 dev->hard_start_xmit = &airo_start_xmit11;
2642 dev->get_stats = &airo_get_stats;
2643 dev->set_mac_address = &airo_set_mac_address;
2644 dev->do_ioctl = &airo_ioctl;
2645 dev->wireless_handlers = &airo_handler_def;
2646 dev->change_mtu = &airo_change_mtu;
2647 dev->open = &airo_open;
2648 dev->stop = &airo_close;
2650 dev->type = ARPHRD_IEEE80211;
2651 dev->hard_header_len = ETH_HLEN;
2653 dev->addr_len = ETH_ALEN;
2654 dev->tx_queue_len = 100;
2656 memset(dev->broadcast,0xFF, ETH_ALEN);
2658 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2661 static struct net_device *init_wifidev(struct airo_info *ai,
2662 struct net_device *ethdev)
2665 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2668 dev->priv = ethdev->priv;
2669 dev->irq = ethdev->irq;
2670 dev->base_addr = ethdev->base_addr;
2671 dev->wireless_data = ethdev->wireless_data;
2672 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2673 err = register_netdev(dev);
2681 static int reset_card( struct net_device *dev , int lock) {
2682 struct airo_info *ai = dev->priv;
2684 if (lock && down_interruptible(&ai->sem))
2687 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2696 static struct net_device *_init_airo_card( unsigned short irq, int port,
2697 int is_pcmcia, struct pci_dev *pci,
2698 struct device *dmdev )
2700 struct net_device *dev;
2701 struct airo_info *ai;
2704 /* Create the network device object. */
2705 dev = alloc_etherdev(sizeof(*ai));
2707 printk(KERN_ERR "airo: Couldn't alloc_etherdev\n");
2710 if (dev_alloc_name(dev, dev->name) < 0) {
2711 printk(KERN_ERR "airo: Couldn't get name!\n");
2718 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2719 printk(KERN_DEBUG "airo: Found an MPI350 card\n");
2720 set_bit(FLAG_MPI, &ai->flags);
2723 spin_lock_init(&ai->aux_lock);
2724 sema_init(&ai->sem, 1);
2727 init_waitqueue_head (&ai->thr_wait);
2728 init_completion (&ai->thr_exited);
2729 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2730 if (ai->thr_pid < 0)
2735 rc = add_airo_dev( dev );
2739 /* The Airo-specific entries in the device structure. */
2740 if (test_bit(FLAG_MPI,&ai->flags)) {
2741 skb_queue_head_init (&ai->txq);
2742 dev->hard_start_xmit = &mpi_start_xmit;
2744 dev->hard_start_xmit = &airo_start_xmit;
2745 dev->get_stats = &airo_get_stats;
2746 dev->set_multicast_list = &airo_set_multicast_list;
2747 dev->set_mac_address = &airo_set_mac_address;
2748 dev->do_ioctl = &airo_ioctl;
2749 dev->wireless_handlers = &airo_handler_def;
2750 ai->wireless_data.spy_data = &ai->spy_data;
2751 dev->wireless_data = &ai->wireless_data;
2752 dev->change_mtu = &airo_change_mtu;
2753 dev->open = &airo_open;
2754 dev->stop = &airo_close;
2756 dev->base_addr = port;
2758 SET_NETDEV_DEV(dev, dmdev);
2761 if (test_bit(FLAG_MPI,&ai->flags))
2762 reset_card (dev, 1);
2764 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2766 printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
2767 goto err_out_unlink;
2770 if (!request_region( dev->base_addr, 64, dev->name )) {
2772 printk(KERN_ERR "airo: Couldn't request region\n");
2777 if (test_bit(FLAG_MPI,&ai->flags)) {
2778 if (mpi_map_card(ai, pci, dev->name)) {
2779 printk(KERN_ERR "airo: Could not map memory\n");
2785 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2786 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2790 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2791 ai->bap_read = fast_bap_read;
2792 set_bit(FLAG_FLASHING, &ai->flags);
2795 rc = register_netdev(dev);
2797 printk(KERN_ERR "airo: Couldn't register_netdev\n");
2800 ai->wifidev = init_wifidev(ai, dev);
2802 set_bit(FLAG_REGISTERED,&ai->flags);
2803 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
2805 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2806 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2808 /* Allocate the transmit buffers */
2809 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2810 for( i = 0; i < MAX_FIDS; i++ )
2811 ai->fids[i] = transmit_allocate(ai,2312,i>=MAX_FIDS/2);
2813 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2814 netif_start_queue(dev);
2815 SET_MODULE_OWNER(dev);
2819 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2820 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2821 iounmap(ai->pciaux);
2822 iounmap(ai->pcimem);
2823 mpi_unmap_card(ai->pci);
2827 release_region( dev->base_addr, 64 );
2829 free_irq(dev->irq, dev);
2833 set_bit(JOB_DIE, &ai->flags);
2834 kill_proc(ai->thr_pid, SIGTERM, 1);
2835 wait_for_completion(&ai->thr_exited);
2841 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2842 struct device *dmdev)
2844 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2847 EXPORT_SYMBOL(init_airo_card);
2849 static int waitbusy (struct airo_info *ai) {
2851 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2853 if ((++delay % 20) == 0)
2854 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2856 return delay < 10000;
2859 int reset_airo_card( struct net_device *dev )
2862 struct airo_info *ai = dev->priv;
2864 if (reset_card (dev, 1))
2867 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2868 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2871 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev->name,
2872 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2873 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2874 /* Allocate the transmit buffers if needed */
2875 if (!test_bit(FLAG_MPI,&ai->flags))
2876 for( i = 0; i < MAX_FIDS; i++ )
2877 ai->fids[i] = transmit_allocate (ai,2312,i>=MAX_FIDS/2);
2879 enable_interrupts( ai );
2880 netif_wake_queue(dev);
2884 EXPORT_SYMBOL(reset_airo_card);
2886 static void airo_send_event(struct net_device *dev) {
2887 struct airo_info *ai = dev->priv;
2888 union iwreq_data wrqu;
2889 StatusRid status_rid;
2891 clear_bit(JOB_EVENT, &ai->flags);
2892 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2894 wrqu.data.length = 0;
2895 wrqu.data.flags = 0;
2896 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2897 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2899 /* Send event to user space */
2900 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2903 static int airo_thread(void *data) {
2904 struct net_device *dev = data;
2905 struct airo_info *ai = dev->priv;
2908 daemonize("%s", dev->name);
2909 allow_signal(SIGTERM);
2912 if (signal_pending(current))
2913 flush_signals(current);
2915 /* make swsusp happy with our thread */
2918 if (test_bit(JOB_DIE, &ai->flags))
2921 if (ai->flags & JOB_MASK) {
2922 locked = down_interruptible(&ai->sem);
2926 init_waitqueue_entry(&wait, current);
2927 add_wait_queue(&ai->thr_wait, &wait);
2929 set_current_state(TASK_INTERRUPTIBLE);
2930 if (ai->flags & JOB_MASK)
2933 if (time_after_eq(jiffies,ai->expires)){
2934 set_bit(JOB_AUTOWEP,&ai->flags);
2937 if (!signal_pending(current)) {
2938 schedule_timeout(ai->expires - jiffies);
2941 } else if (!signal_pending(current)) {
2947 current->state = TASK_RUNNING;
2948 remove_wait_queue(&ai->thr_wait, &wait);
2955 if (test_bit(JOB_DIE, &ai->flags)) {
2960 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
2965 if (test_bit(JOB_XMIT, &ai->flags))
2967 else if (test_bit(JOB_XMIT11, &ai->flags))
2968 airo_end_xmit11(dev);
2969 else if (test_bit(JOB_STATS, &ai->flags))
2970 airo_read_stats(ai);
2971 else if (test_bit(JOB_WSTATS, &ai->flags))
2972 airo_read_wireless_stats(ai);
2973 else if (test_bit(JOB_PROMISC, &ai->flags))
2974 airo_set_promisc(ai);
2976 else if (test_bit(JOB_MIC, &ai->flags))
2979 else if (test_bit(JOB_EVENT, &ai->flags))
2980 airo_send_event(dev);
2981 else if (test_bit(JOB_AUTOWEP, &ai->flags))
2984 complete_and_exit (&ai->thr_exited, 0);
2987 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
2988 struct net_device *dev = (struct net_device *)dev_id;
2991 struct airo_info *apriv = dev->priv;
2992 u16 savedInterrupts = 0;
2995 if (!netif_device_present(dev))
2999 status = IN4500( apriv, EVSTAT );
3000 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3004 if ( status & EV_AWAKE ) {
3005 OUT4500( apriv, EVACK, EV_AWAKE );
3006 OUT4500( apriv, EVACK, EV_AWAKE );
3009 if (!savedInterrupts) {
3010 savedInterrupts = IN4500( apriv, EVINTEN );
3011 OUT4500( apriv, EVINTEN, 0 );
3014 if ( status & EV_MIC ) {
3015 OUT4500( apriv, EVACK, EV_MIC );
3017 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3018 set_bit(JOB_MIC, &apriv->flags);
3019 wake_up_interruptible(&apriv->thr_wait);
3023 if ( status & EV_LINK ) {
3024 union iwreq_data wrqu;
3025 /* The link status has changed, if you want to put a
3026 monitor hook in, do it here. (Remember that
3027 interrupts are still disabled!)
3029 u16 newStatus = IN4500(apriv, LINKSTAT);
3030 OUT4500( apriv, EVACK, EV_LINK);
3031 /* Here is what newStatus means: */
3032 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3033 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3034 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3035 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3036 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3037 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3038 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3039 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3041 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3043 #define ASSOCIATED 0x0400 /* Assocatied */
3044 #define RC_RESERVED 0 /* Reserved return code */
3045 #define RC_NOREASON 1 /* Unspecified reason */
3046 #define RC_AUTHINV 2 /* Previous authentication invalid */
3047 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3049 #define RC_NOACT 4 /* Disassociated due to inactivity */
3050 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3051 all currently associated stations */
3052 #define RC_BADCLASS2 6 /* Class 2 frame received from
3053 non-Authenticated station */
3054 #define RC_BADCLASS3 7 /* Class 3 frame received from
3055 non-Associated station */
3056 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3058 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3059 Authenticated with the responding station */
3060 if (newStatus != ASSOCIATED) {
3061 if (auto_wep && !apriv->expires) {
3062 apriv->expires = RUN_AT(3*HZ);
3063 wake_up_interruptible(&apriv->thr_wait);
3066 struct task_struct *task = apriv->task;
3070 wake_up_process (task);
3071 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3072 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3074 /* Question : is ASSOCIATED the only status
3075 * that is valid ? We want to catch handover
3076 * and reassociations as valid status
3078 if(newStatus == ASSOCIATED) {
3079 if (apriv->scan_timestamp) {
3080 /* Send an empty event to user space.
3081 * We don't send the received data on
3082 * the event because it would require
3083 * us to do complex transcoding, and
3084 * we want to minimise the work done in
3085 * the irq handler. Use a request to
3086 * extract the data - Jean II */
3087 wrqu.data.length = 0;
3088 wrqu.data.flags = 0;
3089 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
3090 apriv->scan_timestamp = 0;
3092 if (down_trylock(&apriv->sem) != 0) {
3093 set_bit(JOB_EVENT, &apriv->flags);
3094 wake_up_interruptible(&apriv->thr_wait);
3096 airo_send_event(dev);
3098 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3099 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3101 /* Send event to user space */
3102 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3106 /* Check to see if there is something to receive */
3107 if ( status & EV_RX ) {
3108 struct sk_buff *skb = NULL;
3109 u16 fc, len, hdrlen = 0;
3123 if (test_bit(FLAG_MPI,&apriv->flags)) {
3124 if (test_bit(FLAG_802_11, &apriv->flags))
3125 mpi_receive_802_11(apriv);
3127 mpi_receive_802_3(apriv);
3128 OUT4500(apriv, EVACK, EV_RX);
3132 fid = IN4500( apriv, RXFID );
3134 /* Get the packet length */
3135 if (test_bit(FLAG_802_11, &apriv->flags)) {
3136 bap_setup (apriv, fid, 4, BAP0);
3137 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3138 /* Bad CRC. Ignore packet */
3139 if (le16_to_cpu(hdr.status) & 2)
3141 if (apriv->wifidev == NULL)
3144 bap_setup (apriv, fid, 0x36, BAP0);
3145 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3147 len = le16_to_cpu(hdr.len);
3150 printk( KERN_ERR "airo: Bad size %d\n", len );
3156 if (test_bit(FLAG_802_11, &apriv->flags)) {
3157 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3158 fc = le16_to_cpu(fc);
3161 if ((fc & 0xe0) == 0xc0)
3167 if ((fc&0x300)==0x300){
3175 hdrlen = ETH_ALEN * 2;
3177 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3179 apriv->stats.rx_dropped++;
3182 skb_reserve(skb, 2); /* This way the IP header is aligned */
3183 buffer = (u16*)skb_put (skb, len + hdrlen);
3184 if (test_bit(FLAG_802_11, &apriv->flags)) {
3186 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3188 bap_read (apriv, tmpbuf, 6, BAP0);
3190 bap_read (apriv, &gap, sizeof(gap), BAP0);
3191 gap = le16_to_cpu(gap);
3194 bap_read (apriv, tmpbuf, gap, BAP0);
3196 printk(KERN_ERR "airo: gaplen too big. Problems will follow...\n");
3198 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3203 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3205 if (apriv->micstats.enabled) {
3206 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3207 if (ntohs(micbuf.typelen) > 0x05DC)
3208 bap_setup (apriv, fid, 0x44, BAP0);
3210 if (len <= sizeof(micbuf))
3213 len -= sizeof(micbuf);
3214 skb_trim (skb, len + hdrlen);
3218 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3220 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3222 dev_kfree_skb_irq (skb);
3227 OUT4500( apriv, EVACK, EV_RX);
3232 if (apriv->spy_data.spy_number > 0) {
3234 struct iw_quality wstats;
3235 /* Prepare spy data : addr + qual */
3236 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3237 sa = (char*)buffer + 6;
3238 bap_setup (apriv, fid, 8, BAP0);
3239 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3241 sa = (char*)buffer + 10;
3242 wstats.qual = hdr.rssi[0];
3244 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3246 wstats.level = (hdr.rssi[1] + 321) / 2;
3247 wstats.noise = apriv->wstats.qual.noise;
3248 wstats.updated = IW_QUAL_LEVEL_UPDATED
3249 | IW_QUAL_QUAL_UPDATED
3251 /* Update spy records */
3252 wireless_spy_update(dev, sa, &wstats);
3254 #endif /* WIRELESS_SPY */
3255 OUT4500( apriv, EVACK, EV_RX);
3257 if (test_bit(FLAG_802_11, &apriv->flags)) {
3258 skb->mac.raw = skb->data;
3259 skb->pkt_type = PACKET_OTHERHOST;
3260 skb->dev = apriv->wifidev;
3261 skb->protocol = htons(ETH_P_802_2);
3264 skb->protocol = eth_type_trans(skb,dev);
3266 skb->dev->last_rx = jiffies;
3267 skb->ip_summed = CHECKSUM_NONE;
3273 /* Check to see if a packet has been transmitted */
3274 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3279 if (test_bit(FLAG_MPI,&apriv->flags)) {
3280 unsigned long flags;
3282 if (status & EV_TXEXC)
3283 get_tx_error(apriv, -1);
3284 spin_lock_irqsave(&apriv->aux_lock, flags);
3285 if (!skb_queue_empty(&apriv->txq)) {
3286 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3287 mpi_send_packet (dev);
3289 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3290 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3291 netif_wake_queue (dev);
3293 OUT4500( apriv, EVACK,
3294 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3298 fid = IN4500(apriv, TXCOMPLFID);
3300 for( i = 0; i < MAX_FIDS; i++ ) {
3301 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3302 len = apriv->fids[i] >> 16;
3307 if (status & EV_TXEXC)
3308 get_tx_error(apriv, index);
3309 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3310 /* Set up to be used again */
3311 apriv->fids[index] &= 0xffff;
3312 if (index < MAX_FIDS / 2) {
3313 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3314 netif_wake_queue(dev);
3316 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3317 netif_wake_queue(apriv->wifidev);
3320 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3321 printk( KERN_ERR "airo: Unallocated FID was used to xmit\n" );
3325 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3326 printk( KERN_WARNING "airo: Got weird status %x\n",
3327 status & ~STATUS_INTS & ~IGNORE_INTS );
3330 if (savedInterrupts)
3331 OUT4500( apriv, EVINTEN, savedInterrupts );
3334 return IRQ_RETVAL(handled);
3338 * Routines to talk to the card
3342 * This was originally written for the 4500, hence the name
3343 * NOTE: If use with 8bit mode and SMP bad things will happen!
3344 * Why would some one do 8 bit IO in an SMP machine?!?
3346 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3347 if (test_bit(FLAG_MPI,&ai->flags))
3350 outw( val, ai->dev->base_addr + reg );
3352 outb( val & 0xff, ai->dev->base_addr + reg );
3353 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3357 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3360 if (test_bit(FLAG_MPI,&ai->flags))
3363 rc = inw( ai->dev->base_addr + reg );
3365 rc = inb( ai->dev->base_addr + reg );
3366 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3371 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3375 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3376 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3377 * Note : we could try to use !netif_running(dev) in enable_MAC()
3378 * instead of this flag, but I don't trust it *within* the
3379 * open/close functions, and testing both flags together is
3380 * "cheaper" - Jean II */
3381 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3383 if (lock && down_interruptible(&ai->sem))
3384 return -ERESTARTSYS;
3386 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3387 memset(&cmd, 0, sizeof(cmd));
3388 cmd.cmd = MAC_ENABLE;
3389 rc = issuecommand(ai, &cmd, rsp);
3391 set_bit(FLAG_ENABLED, &ai->flags);
3399 printk(KERN_ERR "%s: Cannot enable MAC, err=%d\n",
3404 static void disable_MAC( struct airo_info *ai, int lock ) {
3408 if (lock && down_interruptible(&ai->sem))
3411 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3412 memset(&cmd, 0, sizeof(cmd));
3413 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3414 issuecommand(ai, &cmd, &rsp);
3415 clear_bit(FLAG_ENABLED, &ai->flags);
3421 static void enable_interrupts( struct airo_info *ai ) {
3422 /* Enable the interrupts */
3423 OUT4500( ai, EVINTEN, STATUS_INTS );
3426 static void disable_interrupts( struct airo_info *ai ) {
3427 OUT4500( ai, EVINTEN, 0 );
3430 static void mpi_receive_802_3(struct airo_info *ai)
3434 struct sk_buff *skb;
3441 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3442 /* Make sure we got something */
3443 if (rxd.rdy && rxd.valid == 0) {
3445 if (len < 12 || len > 2048)
3448 skb = dev_alloc_skb(len);
3450 ai->stats.rx_dropped++;
3453 buffer = skb_put(skb,len);
3455 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3456 if (ai->micstats.enabled) {
3458 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3460 if (ntohs(micbuf.typelen) <= 0x05DC) {
3461 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3464 off = sizeof(micbuf);
3465 skb_trim (skb, len - off);
3468 memcpy(buffer + ETH_ALEN * 2,
3469 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3470 len - ETH_ALEN * 2 - off);
3471 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3473 dev_kfree_skb_irq (skb);
3477 memcpy(buffer, ai->rxfids[0].virtual_host_addr, len);
3480 if (ai->spy_data.spy_number > 0) {
3482 struct iw_quality wstats;
3483 /* Prepare spy data : addr + qual */
3484 sa = buffer + ETH_ALEN;
3485 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3488 /* Update spy records */
3489 wireless_spy_update(ai->dev, sa, &wstats);
3491 #endif /* WIRELESS_SPY */
3494 skb->ip_summed = CHECKSUM_NONE;
3495 skb->protocol = eth_type_trans(skb, ai->dev);
3496 skb->dev->last_rx = jiffies;
3500 if (rxd.valid == 0) {
3504 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3508 void mpi_receive_802_11 (struct airo_info *ai)
3511 struct sk_buff *skb = NULL;
3512 u16 fc, len, hdrlen = 0;
3524 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3526 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3527 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3529 /* Bad CRC. Ignore packet */
3530 if (le16_to_cpu(hdr.status) & 2)
3532 if (ai->wifidev == NULL)
3534 len = le16_to_cpu(hdr.len);
3536 printk( KERN_ERR "airo: Bad size %d\n", len );
3542 memcpy ((char *)&fc, ptr, sizeof(fc));
3543 fc = le16_to_cpu(fc);
3546 if ((fc & 0xe0) == 0xc0)
3552 if ((fc&0x300)==0x300){
3560 skb = dev_alloc_skb( len + hdrlen + 2 );
3562 ai->stats.rx_dropped++;
3565 buffer = (u16*)skb_put (skb, len + hdrlen);
3566 memcpy ((char *)buffer, ptr, hdrlen);
3570 memcpy ((char *)&gap, ptr, sizeof(gap));
3572 gap = le16_to_cpu(gap);
3578 "airo: gaplen too big. Problems will follow...\n");
3580 memcpy ((char *)buffer + hdrlen, ptr, len);
3582 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3583 if (ai->spy_data.spy_number > 0) {
3585 struct iw_quality wstats;
3586 /* Prepare spy data : addr + qual */
3587 sa = (char*)buffer + 10;
3588 wstats.qual = hdr.rssi[0];
3590 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3592 wstats.level = (hdr.rssi[1] + 321) / 2;
3593 wstats.noise = ai->wstats.qual.noise;
3594 wstats.updated = IW_QUAL_QUAL_UPDATED
3595 | IW_QUAL_LEVEL_UPDATED
3597 /* Update spy records */
3598 wireless_spy_update(ai->dev, sa, &wstats);
3600 #endif /* IW_WIRELESS_SPY */
3601 skb->mac.raw = skb->data;
3602 skb->pkt_type = PACKET_OTHERHOST;
3603 skb->dev = ai->wifidev;
3604 skb->protocol = htons(ETH_P_802_2);
3605 skb->dev->last_rx = jiffies;
3606 skb->ip_summed = CHECKSUM_NONE;
3609 if (rxd.valid == 0) {
3613 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3617 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3628 memset( &mySsid, 0, sizeof( mySsid ) );
3634 /* The NOP is the first step in getting the card going */
3636 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3637 if (lock && down_interruptible(&ai->sem))
3639 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3644 disable_MAC( ai, 0);
3646 // Let's figure out if we need to use the AUX port
3647 if (!test_bit(FLAG_MPI,&ai->flags)) {
3648 cmd.cmd = CMD_ENABLEAUX;
3649 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3652 printk(KERN_ERR "airo: Error checking for AUX port\n");
3655 if (!aux_bap || rsp.status & 0xff00) {
3656 ai->bap_read = fast_bap_read;
3657 printk(KERN_DEBUG "airo: Doing fast bap_reads\n");
3659 ai->bap_read = aux_bap_read;
3660 printk(KERN_DEBUG "airo: Doing AUX bap_reads\n");
3665 if (ai->config.len == 0) {
3666 tdsRssiRid rssi_rid;
3667 CapabilityRid cap_rid;
3677 // general configuration (read/modify/write)
3678 status = readConfigRid(ai, lock);
3679 if ( status != SUCCESS ) return ERROR;
3681 status = readCapabilityRid(ai, &cap_rid, lock);
3682 if ( status != SUCCESS ) return ERROR;
3684 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3685 if ( status == SUCCESS ) {
3686 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3687 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3694 if (cap_rid.softCap & 8)
3695 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3697 printk(KERN_WARNING "airo: unknown received signal level scale\n");
3699 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3700 ai->config.authType = AUTH_OPEN;
3701 ai->config.modulation = MOD_CCK;
3704 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3705 (micsetup(ai) == SUCCESS)) {
3706 ai->config.opmode |= MODE_MIC;
3707 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3711 /* Save off the MAC */
3712 for( i = 0; i < ETH_ALEN; i++ ) {
3713 mac[i] = ai->config.macAddr[i];
3716 /* Check to see if there are any insmod configured
3720 memset(ai->config.rates,0,sizeof(ai->config.rates));
3721 for( i = 0; i < 8 && rates[i]; i++ ) {
3722 ai->config.rates[i] = rates[i];
3725 if ( basic_rate > 0 ) {
3727 for( i = 0; i < 8; i++ ) {
3728 if ( ai->config.rates[i] == basic_rate ||
3729 !ai->config.rates ) {
3730 ai->config.rates[i] = basic_rate | 0x80;
3735 set_bit (FLAG_COMMIT, &ai->flags);
3738 /* Setup the SSIDs if present */
3741 for( i = 0; i < 3 && ssids[i]; i++ ) {
3742 mySsid.ssids[i].len = strlen(ssids[i]);
3743 if ( mySsid.ssids[i].len > 32 )
3744 mySsid.ssids[i].len = 32;
3745 memcpy(mySsid.ssids[i].ssid, ssids[i],
3746 mySsid.ssids[i].len);
3748 mySsid.len = sizeof(mySsid);
3751 status = writeConfigRid(ai, lock);
3752 if ( status != SUCCESS ) return ERROR;
3754 /* Set up the SSID list */
3756 status = writeSsidRid(ai, &mySsid, lock);
3757 if ( status != SUCCESS ) return ERROR;
3760 status = enable_MAC(ai, &rsp, lock);
3761 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3762 printk( KERN_ERR "airo: Bad MAC enable reason = %x, rid = %x, offset = %d\n", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3766 /* Grab the initial wep key, we gotta save it for auto_wep */
3767 rc = readWepKeyRid(ai, &wkr, 1, lock);
3768 if (rc == SUCCESS) do {
3769 lastindex = wkr.kindex;
3770 if (wkr.kindex == 0xffff) {
3771 ai->defindex = wkr.mac[0];
3773 rc = readWepKeyRid(ai, &wkr, 0, lock);
3774 } while(lastindex != wkr.kindex);
3777 ai->expires = RUN_AT(3*HZ);
3778 wake_up_interruptible(&ai->thr_wait);
3784 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3785 // Im really paranoid about letting it run forever!
3786 int max_tries = 600000;
3788 if (IN4500(ai, EVSTAT) & EV_CMD)
3789 OUT4500(ai, EVACK, EV_CMD);
3791 OUT4500(ai, PARAM0, pCmd->parm0);
3792 OUT4500(ai, PARAM1, pCmd->parm1);
3793 OUT4500(ai, PARAM2, pCmd->parm2);
3794 OUT4500(ai, COMMAND, pCmd->cmd);
3796 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3797 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3798 // PC4500 didn't notice command, try again
3799 OUT4500(ai, COMMAND, pCmd->cmd);
3800 if (!in_atomic() && (max_tries & 255) == 0)
3804 if ( max_tries == -1 ) {
3806 "airo: Max tries exceeded when issueing command\n" );
3807 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3808 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3812 // command completed
3813 pRsp->status = IN4500(ai, STATUS);
3814 pRsp->rsp0 = IN4500(ai, RESP0);
3815 pRsp->rsp1 = IN4500(ai, RESP1);
3816 pRsp->rsp2 = IN4500(ai, RESP2);
3817 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3818 printk (KERN_ERR "airo: cmd= %x\n", pCmd->cmd);
3819 printk (KERN_ERR "airo: status= %x\n", pRsp->status);
3820 printk (KERN_ERR "airo: Rsp0= %x\n", pRsp->rsp0);
3821 printk (KERN_ERR "airo: Rsp1= %x\n", pRsp->rsp1);
3822 printk (KERN_ERR "airo: Rsp2= %x\n", pRsp->rsp2);
3825 // clear stuck command busy if necessary
3826 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3827 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3829 // acknowledge processing the status/response
3830 OUT4500(ai, EVACK, EV_CMD);
3835 /* Sets up the bap to start exchange data. whichbap should
3836 * be one of the BAP0 or BAP1 defines. Locks should be held before
3838 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3843 OUT4500(ai, SELECT0+whichbap, rid);
3844 OUT4500(ai, OFFSET0+whichbap, offset);
3846 int status = IN4500(ai, OFFSET0+whichbap);
3847 if (status & BAP_BUSY) {
3848 /* This isn't really a timeout, but its kinda
3853 } else if ( status & BAP_ERR ) {
3854 /* invalid rid or offset */
3855 printk( KERN_ERR "airo: BAP error %x %d\n",
3858 } else if (status & BAP_DONE) { // success
3861 if ( !(max_tries--) ) {
3863 "airo: BAP setup error too many retries\n" );
3866 // -- PC4500 missed it, try again
3867 OUT4500(ai, SELECT0+whichbap, rid);
3868 OUT4500(ai, OFFSET0+whichbap, offset);
3873 /* should only be called by aux_bap_read. This aux function and the
3874 following use concepts not documented in the developers guide. I
3875 got them from a patch given to my by Aironet */
3876 static u16 aux_setup(struct airo_info *ai, u16 page,
3877 u16 offset, u16 *len)
3881 OUT4500(ai, AUXPAGE, page);
3882 OUT4500(ai, AUXOFF, 0);
3883 next = IN4500(ai, AUXDATA);
3884 *len = IN4500(ai, AUXDATA)&0xff;
3885 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3889 /* requires call to bap_setup() first */
3890 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
3891 int bytelen, int whichbap)
3899 unsigned long flags;
3901 spin_lock_irqsave(&ai->aux_lock, flags);
3902 page = IN4500(ai, SWS0+whichbap);
3903 offset = IN4500(ai, SWS2+whichbap);
3904 next = aux_setup(ai, page, offset, &len);
3905 words = (bytelen+1)>>1;
3907 for (i=0; i<words;) {
3909 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3911 insw( ai->dev->base_addr+DATA0+whichbap,
3914 insb( ai->dev->base_addr+DATA0+whichbap,
3915 pu16Dst+i, count << 1 );
3918 next = aux_setup(ai, next, 4, &len);
3921 spin_unlock_irqrestore(&ai->aux_lock, flags);
3926 /* requires call to bap_setup() first */
3927 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
3928 int bytelen, int whichbap)
3930 bytelen = (bytelen + 1) & (~1); // round up to even value
3932 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
3934 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
3938 /* requires call to bap_setup() first */
3939 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
3940 int bytelen, int whichbap)
3942 bytelen = (bytelen + 1) & (~1); // round up to even value
3944 outsw( ai->dev->base_addr+DATA0+whichbap,
3945 pu16Src, bytelen>>1 );
3947 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
3951 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
3953 Cmd cmd; /* for issuing commands */
3954 Resp rsp; /* response from commands */
3957 memset(&cmd, 0, sizeof(cmd));
3960 status = issuecommand(ai, &cmd, &rsp);
3961 if (status != 0) return status;
3962 if ( (rsp.status & 0x7F00) != 0) {
3963 return (accmd << 8) + (rsp.rsp0 & 0xFF);
3968 /* Note, that we are using BAP1 which is also used by transmit, so
3969 * we must get a lock. */
3970 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
3976 if (down_interruptible(&ai->sem))
3979 if (test_bit(FLAG_MPI,&ai->flags)) {
3983 memset(&cmd, 0, sizeof(cmd));
3984 memset(&rsp, 0, sizeof(rsp));
3985 ai->config_desc.rid_desc.valid = 1;
3986 ai->config_desc.rid_desc.len = RIDSIZE;
3987 ai->config_desc.rid_desc.rid = 0;
3988 ai->config_desc.rid_desc.host_addr = ai->ridbus;
3990 cmd.cmd = CMD_ACCESS;
3993 memcpy_toio(ai->config_desc.card_ram_off,
3994 &ai->config_desc.rid_desc, sizeof(Rid));
3996 rc = issuecommand(ai, &cmd, &rsp);
3998 if (rsp.status & 0x7f00)
4001 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4004 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4008 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4012 // read the rid length field
4013 bap_read(ai, pBuf, 2, BAP1);
4014 // length for remaining part of rid
4015 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4019 "airo: Rid %x has a length of %d which is too short\n",
4020 (int)rid, (int)len );
4024 // read remainder of the rid
4025 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4033 /* Note, that we are using BAP1 which is also used by transmit, so
4034 * make sure this isnt called when a transmit is happening */
4035 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4036 const void *pBuf, int len, int lock)
4041 *(u16*)pBuf = cpu_to_le16((u16)len);
4044 if (down_interruptible(&ai->sem))
4047 if (test_bit(FLAG_MPI,&ai->flags)) {
4051 if (test_bit(FLAG_ENABLED, &ai->flags))
4053 "%s: MAC should be disabled (rid=%04x)\n",
4055 memset(&cmd, 0, sizeof(cmd));
4056 memset(&rsp, 0, sizeof(rsp));
4058 ai->config_desc.rid_desc.valid = 1;
4059 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4060 ai->config_desc.rid_desc.rid = 0;
4062 cmd.cmd = CMD_WRITERID;
4065 memcpy_toio(ai->config_desc.card_ram_off,
4066 &ai->config_desc.rid_desc, sizeof(Rid));
4068 if (len < 4 || len > 2047) {
4069 printk(KERN_ERR "%s: len=%d\n",__FUNCTION__,len);
4072 memcpy((char *)ai->config_desc.virtual_host_addr,
4075 rc = issuecommand(ai, &cmd, &rsp);
4076 if ((rc & 0xff00) != 0) {
4077 printk(KERN_ERR "%s: Write rid Error %d\n",
4079 printk(KERN_ERR "%s: Cmd=%04x\n",
4080 __FUNCTION__,cmd.cmd);
4083 if ((rsp.status & 0x7f00))
4087 // --- first access so that we can write the rid data
4088 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4092 // --- now write the rid data
4093 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4097 bap_write(ai, pBuf, len, BAP1);
4098 // ---now commit the rid data
4099 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4107 /* Allocates a FID to be used for transmitting packets. We only use
4109 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4111 unsigned int loop = 3000;
4117 cmd.cmd = CMD_ALLOCATETX;
4118 cmd.parm0 = lenPayload;
4119 if (down_interruptible(&ai->sem))
4121 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4125 if ( (rsp.status & 0xFF00) != 0) {
4129 /* wait for the allocate event/indication
4130 * It makes me kind of nervous that this can just sit here and spin,
4131 * but in practice it only loops like four times. */
4132 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4138 // get the allocated fid and acknowledge
4139 txFid = IN4500(ai, TXALLOCFID);
4140 OUT4500(ai, EVACK, EV_ALLOC);
4142 /* The CARD is pretty cool since it converts the ethernet packet
4143 * into 802.11. Also note that we don't release the FID since we
4144 * will be using the same one over and over again. */
4145 /* We only have to setup the control once since we are not
4146 * releasing the fid. */
4148 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4149 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4151 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4152 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4153 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4156 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4164 /* In general BAP1 is dedicated to transmiting packets. However,
4165 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4166 Make sure the BAP1 spinlock is held when this is called. */
4167 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4178 if (len <= ETH_ALEN * 2) {
4179 printk( KERN_WARNING "Short packet %d\n", len );
4182 len -= ETH_ALEN * 2;
4185 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4186 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4187 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4189 miclen = sizeof(pMic);
4193 // packet is destination[6], source[6], payload[len-12]
4194 // write the payload length and dst/src/payload
4195 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4196 /* The hardware addresses aren't counted as part of the payload, so
4197 * we have to subtract the 12 bytes for the addresses off */
4198 payloadLen = cpu_to_le16(len + miclen);
4199 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4200 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4202 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4203 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4204 // issue the transmit command
4205 memset( &cmd, 0, sizeof( cmd ) );
4206 cmd.cmd = CMD_TRANSMIT;
4208 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4209 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4213 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4228 fc = le16_to_cpu(*(const u16*)pPacket);
4231 if ((fc & 0xe0) == 0xc0)
4237 if ((fc&0x300)==0x300){
4246 printk( KERN_WARNING "Short packet %d\n", len );
4250 /* packet is 802.11 header + payload
4251 * write the payload length and dst/src/payload */
4252 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4253 /* The 802.11 header aren't counted as part of the payload, so
4254 * we have to subtract the header bytes off */
4255 payloadLen = cpu_to_le16(len-hdrlen);
4256 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4257 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4258 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4259 bap_write(ai, hdrlen == 30 ?
4260 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4262 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4263 // issue the transmit command
4264 memset( &cmd, 0, sizeof( cmd ) );
4265 cmd.cmd = CMD_TRANSMIT;
4267 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4268 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4273 * This is the proc_fs routines. It is a bit messier than I would
4274 * like! Feel free to clean it up!
4277 static ssize_t proc_read( struct file *file,
4278 char __user *buffer,
4282 static ssize_t proc_write( struct file *file,
4283 const char __user *buffer,
4286 static int proc_close( struct inode *inode, struct file *file );
4288 static int proc_stats_open( struct inode *inode, struct file *file );
4289 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4290 static int proc_status_open( struct inode *inode, struct file *file );
4291 static int proc_SSID_open( struct inode *inode, struct file *file );
4292 static int proc_APList_open( struct inode *inode, struct file *file );
4293 static int proc_BSSList_open( struct inode *inode, struct file *file );
4294 static int proc_config_open( struct inode *inode, struct file *file );
4295 static int proc_wepkey_open( struct inode *inode, struct file *file );
4297 static struct file_operations proc_statsdelta_ops = {
4299 .open = proc_statsdelta_open,
4300 .release = proc_close
4303 static struct file_operations proc_stats_ops = {
4305 .open = proc_stats_open,
4306 .release = proc_close
4309 static struct file_operations proc_status_ops = {
4311 .open = proc_status_open,
4312 .release = proc_close
4315 static struct file_operations proc_SSID_ops = {
4317 .write = proc_write,
4318 .open = proc_SSID_open,
4319 .release = proc_close
4322 static struct file_operations proc_BSSList_ops = {
4324 .write = proc_write,
4325 .open = proc_BSSList_open,
4326 .release = proc_close
4329 static struct file_operations proc_APList_ops = {
4331 .write = proc_write,
4332 .open = proc_APList_open,
4333 .release = proc_close
4336 static struct file_operations proc_config_ops = {
4338 .write = proc_write,
4339 .open = proc_config_open,
4340 .release = proc_close
4343 static struct file_operations proc_wepkey_ops = {
4345 .write = proc_write,
4346 .open = proc_wepkey_open,
4347 .release = proc_close
4350 static struct proc_dir_entry *airo_entry;
4359 void (*on_close) (struct inode *, struct file *);
4363 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4366 static int setup_proc_entry( struct net_device *dev,
4367 struct airo_info *apriv ) {
4368 struct proc_dir_entry *entry;
4369 /* First setup the device directory */
4370 strcpy(apriv->proc_name,dev->name);
4371 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4374 apriv->proc_entry->uid = proc_uid;
4375 apriv->proc_entry->gid = proc_gid;
4376 apriv->proc_entry->owner = THIS_MODULE;
4378 /* Setup the StatsDelta */
4379 entry = create_proc_entry("StatsDelta",
4380 S_IFREG | (S_IRUGO&proc_perm),
4382 entry->uid = proc_uid;
4383 entry->gid = proc_gid;
4385 entry->owner = THIS_MODULE;
4386 SETPROC_OPS(entry, proc_statsdelta_ops);
4388 /* Setup the Stats */
4389 entry = create_proc_entry("Stats",
4390 S_IFREG | (S_IRUGO&proc_perm),
4392 entry->uid = proc_uid;
4393 entry->gid = proc_gid;
4395 entry->owner = THIS_MODULE;
4396 SETPROC_OPS(entry, proc_stats_ops);
4398 /* Setup the Status */
4399 entry = create_proc_entry("Status",
4400 S_IFREG | (S_IRUGO&proc_perm),
4402 entry->uid = proc_uid;
4403 entry->gid = proc_gid;
4405 entry->owner = THIS_MODULE;
4406 SETPROC_OPS(entry, proc_status_ops);
4408 /* Setup the Config */
4409 entry = create_proc_entry("Config",
4410 S_IFREG | proc_perm,
4412 entry->uid = proc_uid;
4413 entry->gid = proc_gid;
4415 entry->owner = THIS_MODULE;
4416 SETPROC_OPS(entry, proc_config_ops);
4418 /* Setup the SSID */
4419 entry = create_proc_entry("SSID",
4420 S_IFREG | proc_perm,
4422 entry->uid = proc_uid;
4423 entry->gid = proc_gid;
4425 entry->owner = THIS_MODULE;
4426 SETPROC_OPS(entry, proc_SSID_ops);
4428 /* Setup the APList */
4429 entry = create_proc_entry("APList",
4430 S_IFREG | proc_perm,
4432 entry->uid = proc_uid;
4433 entry->gid = proc_gid;
4435 entry->owner = THIS_MODULE;
4436 SETPROC_OPS(entry, proc_APList_ops);
4438 /* Setup the BSSList */
4439 entry = create_proc_entry("BSSList",
4440 S_IFREG | proc_perm,
4442 entry->uid = proc_uid;
4443 entry->gid = proc_gid;
4445 entry->owner = THIS_MODULE;
4446 SETPROC_OPS(entry, proc_BSSList_ops);
4448 /* Setup the WepKey */
4449 entry = create_proc_entry("WepKey",
4450 S_IFREG | proc_perm,
4452 entry->uid = proc_uid;
4453 entry->gid = proc_gid;
4455 entry->owner = THIS_MODULE;
4456 SETPROC_OPS(entry, proc_wepkey_ops);
4461 static int takedown_proc_entry( struct net_device *dev,
4462 struct airo_info *apriv ) {
4463 if ( !apriv->proc_entry->namelen ) return 0;
4464 remove_proc_entry("Stats",apriv->proc_entry);
4465 remove_proc_entry("StatsDelta",apriv->proc_entry);
4466 remove_proc_entry("Status",apriv->proc_entry);
4467 remove_proc_entry("Config",apriv->proc_entry);
4468 remove_proc_entry("SSID",apriv->proc_entry);
4469 remove_proc_entry("APList",apriv->proc_entry);
4470 remove_proc_entry("BSSList",apriv->proc_entry);
4471 remove_proc_entry("WepKey",apriv->proc_entry);
4472 remove_proc_entry(apriv->proc_name,airo_entry);
4477 * What we want from the proc_fs is to be able to efficiently read
4478 * and write the configuration. To do this, we want to read the
4479 * configuration when the file is opened and write it when the file is
4480 * closed. So basically we allocate a read buffer at open and fill it
4481 * with data, and allocate a write buffer and read it at close.
4485 * The read routine is generic, it relies on the preallocated rbuffer
4486 * to supply the data.
4488 static ssize_t proc_read( struct file *file,
4489 char __user *buffer,
4493 loff_t pos = *offset;
4494 struct proc_data *priv = (struct proc_data*)file->private_data;
4501 if (pos >= priv->readlen)
4503 if (len > priv->readlen - pos)
4504 len = priv->readlen - pos;
4505 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4507 *offset = pos + len;
4512 * The write routine is generic, it fills in a preallocated rbuffer
4513 * to supply the data.
4515 static ssize_t proc_write( struct file *file,
4516 const char __user *buffer,
4520 loff_t pos = *offset;
4521 struct proc_data *priv = (struct proc_data*)file->private_data;
4528 if (pos >= priv->maxwritelen)
4530 if (len > priv->maxwritelen - pos)
4531 len = priv->maxwritelen - pos;
4532 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4534 if ( pos + len > priv->writelen )
4535 priv->writelen = len + file->f_pos;
4536 *offset = pos + len;
4540 static int proc_status_open( struct inode *inode, struct file *file ) {
4541 struct proc_data *data;
4542 struct proc_dir_entry *dp = PDE(inode);
4543 struct net_device *dev = dp->data;
4544 struct airo_info *apriv = dev->priv;
4545 CapabilityRid cap_rid;
4546 StatusRid status_rid;
4549 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4551 memset(file->private_data, 0, sizeof(struct proc_data));
4552 data = (struct proc_data *)file->private_data;
4553 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4554 kfree (file->private_data);
4558 readStatusRid(apriv, &status_rid, 1);
4559 readCapabilityRid(apriv, &cap_rid, 1);
4561 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4562 status_rid.mode & 1 ? "CFG ": "",
4563 status_rid.mode & 2 ? "ACT ": "",
4564 status_rid.mode & 0x10 ? "SYN ": "",
4565 status_rid.mode & 0x20 ? "LNK ": "",
4566 status_rid.mode & 0x40 ? "LEAP ": "",
4567 status_rid.mode & 0x80 ? "PRIV ": "",
4568 status_rid.mode & 0x100 ? "KEY ": "",
4569 status_rid.mode & 0x200 ? "WEP ": "",
4570 status_rid.mode & 0x8000 ? "ERR ": "");
4571 sprintf( data->rbuffer+i, "Mode: %x\n"
4572 "Signal Strength: %d\n"
4573 "Signal Quality: %d\n"
4578 "Driver Version: %s\n"
4579 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4580 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4581 "Software Version: %x\nSoftware Subversion: %x\n"
4582 "Boot block version: %x\n",
4583 (int)status_rid.mode,
4584 (int)status_rid.normalizedSignalStrength,
4585 (int)status_rid.signalQuality,
4586 (int)status_rid.SSIDlen,
4589 (int)status_rid.channel,
4590 (int)status_rid.currentXmitRate/2,
4598 (int)cap_rid.softVer,
4599 (int)cap_rid.softSubVer,
4600 (int)cap_rid.bootBlockVer );
4601 data->readlen = strlen( data->rbuffer );
4605 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4606 static int proc_statsdelta_open( struct inode *inode,
4607 struct file *file ) {
4608 if (file->f_mode&FMODE_WRITE) {
4609 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4611 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4614 static int proc_stats_open( struct inode *inode, struct file *file ) {
4615 return proc_stats_rid_open(inode, file, RID_STATS);
4618 static int proc_stats_rid_open( struct inode *inode,
4621 struct proc_data *data;
4622 struct proc_dir_entry *dp = PDE(inode);
4623 struct net_device *dev = dp->data;
4624 struct airo_info *apriv = dev->priv;
4627 u32 *vals = stats.vals;
4629 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4631 memset(file->private_data, 0, sizeof(struct proc_data));
4632 data = (struct proc_data *)file->private_data;
4633 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4634 kfree (file->private_data);
4638 readStatsRid(apriv, &stats, rid, 1);
4641 for(i=0; statsLabels[i]!=(char *)-1 &&
4642 i*4<stats.len; i++){
4643 if (!statsLabels[i]) continue;
4644 if (j+strlen(statsLabels[i])+16>4096) {
4646 "airo: Potentially disasterous buffer overflow averted!\n");
4649 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4651 if (i*4>=stats.len){
4653 "airo: Got a short rid\n");
4659 static int get_dec_u16( char *buffer, int *start, int limit ) {
4662 for( value = 0; buffer[*start] >= '0' &&
4663 buffer[*start] <= '9' &&
4664 *start < limit; (*start)++ ) {
4667 value += buffer[*start] - '0';
4669 if ( !valid ) return -1;
4673 static int airo_config_commit(struct net_device *dev,
4674 struct iw_request_info *info, void *zwrq,
4677 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4678 struct proc_data *data = file->private_data;
4679 struct proc_dir_entry *dp = PDE(inode);
4680 struct net_device *dev = dp->data;
4681 struct airo_info *ai = dev->priv;
4684 if ( !data->writelen ) return;
4686 readConfigRid(ai, 1);
4687 set_bit (FLAG_COMMIT, &ai->flags);
4689 line = data->wbuffer;
4691 /*** Mode processing */
4692 if ( !strncmp( line, "Mode: ", 6 ) ) {
4694 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4695 set_bit (FLAG_RESET, &ai->flags);
4696 ai->config.rmode &= 0xfe00;
4697 clear_bit (FLAG_802_11, &ai->flags);
4698 ai->config.opmode &= 0xFF00;
4699 ai->config.scanMode = SCANMODE_ACTIVE;
4700 if ( line[0] == 'a' ) {
4701 ai->config.opmode |= 0;
4703 ai->config.opmode |= 1;
4704 if ( line[0] == 'r' ) {
4705 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4706 ai->config.scanMode = SCANMODE_PASSIVE;
4707 set_bit (FLAG_802_11, &ai->flags);
4708 } else if ( line[0] == 'y' ) {
4709 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4710 ai->config.scanMode = SCANMODE_PASSIVE;
4711 set_bit (FLAG_802_11, &ai->flags);
4712 } else if ( line[0] == 'l' )
4713 ai->config.rmode |= RXMODE_LANMON;
4715 set_bit (FLAG_COMMIT, &ai->flags);
4718 /*** Radio status */
4719 else if (!strncmp(line,"Radio: ", 7)) {
4721 if (!strncmp(line,"off",3)) {
4722 set_bit (FLAG_RADIO_OFF, &ai->flags);
4724 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4727 /*** NodeName processing */
4728 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4732 memset( ai->config.nodeName, 0, 16 );
4733 /* Do the name, assume a space between the mode and node name */
4734 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4735 ai->config.nodeName[j] = line[j];
4737 set_bit (FLAG_COMMIT, &ai->flags);
4740 /*** PowerMode processing */
4741 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4743 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4744 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4745 set_bit (FLAG_COMMIT, &ai->flags);
4746 } else if ( !strncmp( line, "PSP", 3 ) ) {
4747 ai->config.powerSaveMode = POWERSAVE_PSP;
4748 set_bit (FLAG_COMMIT, &ai->flags);
4750 ai->config.powerSaveMode = POWERSAVE_CAM;
4751 set_bit (FLAG_COMMIT, &ai->flags);
4753 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4754 int v, i = 0, k = 0; /* i is index into line,
4755 k is index to rates */
4758 while((v = get_dec_u16(line, &i, 3))!=-1) {
4759 ai->config.rates[k++] = (u8)v;
4763 set_bit (FLAG_COMMIT, &ai->flags);
4764 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4767 v = get_dec_u16(line, &i, i+3);
4769 ai->config.channelSet = (u16)v;
4770 set_bit (FLAG_COMMIT, &ai->flags);
4772 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4775 v = get_dec_u16(line, &i, i+3);
4777 ai->config.txPower = (u16)v;
4778 set_bit (FLAG_COMMIT, &ai->flags);
4780 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4784 ai->config.authType = (u16)AUTH_SHAREDKEY;
4787 ai->config.authType = (u16)AUTH_ENCRYPT;
4790 ai->config.authType = (u16)AUTH_OPEN;
4793 set_bit (FLAG_COMMIT, &ai->flags);
4794 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4798 v = get_dec_u16(line, &i, 3);
4799 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4800 ai->config.longRetryLimit = (u16)v;
4801 set_bit (FLAG_COMMIT, &ai->flags);
4802 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4806 v = get_dec_u16(line, &i, 3);
4807 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4808 ai->config.shortRetryLimit = (u16)v;
4809 set_bit (FLAG_COMMIT, &ai->flags);
4810 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4814 v = get_dec_u16(line, &i, 4);
4815 v = (v<0) ? 0 : ((v>2312) ? 2312 : v);
4816 ai->config.rtsThres = (u16)v;
4817 set_bit (FLAG_COMMIT, &ai->flags);
4818 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4822 v = get_dec_u16(line, &i, 5);
4824 ai->config.txLifetime = (u16)v;
4825 set_bit (FLAG_COMMIT, &ai->flags);
4826 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4830 v = get_dec_u16(line, &i, 5);
4832 ai->config.rxLifetime = (u16)v;
4833 set_bit (FLAG_COMMIT, &ai->flags);
4834 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4835 ai->config.txDiversity =
4836 (line[13]=='l') ? 1 :
4837 ((line[13]=='r')? 2: 3);
4838 set_bit (FLAG_COMMIT, &ai->flags);
4839 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4840 ai->config.rxDiversity =
4841 (line[13]=='l') ? 1 :
4842 ((line[13]=='r')? 2: 3);
4843 set_bit (FLAG_COMMIT, &ai->flags);
4844 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4848 v = get_dec_u16(line, &i, 4);
4849 v = (v<256) ? 256 : ((v>2312) ? 2312 : v);
4850 v = v & 0xfffe; /* Make sure its even */
4851 ai->config.fragThresh = (u16)v;
4852 set_bit (FLAG_COMMIT, &ai->flags);
4853 } else if (!strncmp(line, "Modulation: ", 12)) {
4856 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4857 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4858 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4860 printk( KERN_WARNING "airo: Unknown modulation\n" );
4862 } else if (!strncmp(line, "Preamble: ", 10)) {
4865 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4866 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4867 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4868 default: printk(KERN_WARNING "airo: Unknown preamble\n");
4871 printk( KERN_WARNING "Couldn't figure out %s\n", line );
4873 while( line[0] && line[0] != '\n' ) line++;
4874 if ( line[0] ) line++;
4876 airo_config_commit(dev, NULL, NULL, NULL);
4879 static char *get_rmode(u16 mode) {
4881 case RXMODE_RFMON: return "rfmon";
4882 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4883 case RXMODE_LANMON: return "lanmon";
4888 static int proc_config_open( struct inode *inode, struct file *file ) {
4889 struct proc_data *data;
4890 struct proc_dir_entry *dp = PDE(inode);
4891 struct net_device *dev = dp->data;
4892 struct airo_info *ai = dev->priv;
4895 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4897 memset(file->private_data, 0, sizeof(struct proc_data));
4898 data = (struct proc_data *)file->private_data;
4899 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4900 kfree (file->private_data);
4903 if ((data->wbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4904 kfree (data->rbuffer);
4905 kfree (file->private_data);
4908 memset( data->wbuffer, 0, 2048 );
4909 data->maxwritelen = 2048;
4910 data->on_close = proc_config_on_close;
4912 readConfigRid(ai, 1);
4914 i = sprintf( data->rbuffer,
4919 "DataRates: %d %d %d %d %d %d %d %d\n"
4922 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
4923 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
4924 (ai->config.opmode & 0xFF) == 2 ? "AP" :
4925 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
4926 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4927 ai->config.nodeName,
4928 ai->config.powerSaveMode == 0 ? "CAM" :
4929 ai->config.powerSaveMode == 1 ? "PSP" :
4930 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
4931 (int)ai->config.rates[0],
4932 (int)ai->config.rates[1],
4933 (int)ai->config.rates[2],
4934 (int)ai->config.rates[3],
4935 (int)ai->config.rates[4],
4936 (int)ai->config.rates[5],
4937 (int)ai->config.rates[6],
4938 (int)ai->config.rates[7],
4939 (int)ai->config.channelSet,
4940 (int)ai->config.txPower
4942 sprintf( data->rbuffer + i,
4943 "LongRetryLimit: %d\n"
4944 "ShortRetryLimit: %d\n"
4945 "RTSThreshold: %d\n"
4946 "TXMSDULifetime: %d\n"
4947 "RXMSDULifetime: %d\n"
4950 "FragThreshold: %d\n"
4954 (int)ai->config.longRetryLimit,
4955 (int)ai->config.shortRetryLimit,
4956 (int)ai->config.rtsThres,
4957 (int)ai->config.txLifetime,
4958 (int)ai->config.rxLifetime,
4959 ai->config.txDiversity == 1 ? "left" :
4960 ai->config.txDiversity == 2 ? "right" : "both",
4961 ai->config.rxDiversity == 1 ? "left" :
4962 ai->config.rxDiversity == 2 ? "right" : "both",
4963 (int)ai->config.fragThresh,
4964 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
4965 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
4966 ai->config.modulation == 0 ? "default" :
4967 ai->config.modulation == MOD_CCK ? "cck" :
4968 ai->config.modulation == MOD_MOK ? "mok" : "error",
4969 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
4970 ai->config.preamble == PREAMBLE_LONG ? "long" :
4971 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
4973 data->readlen = strlen( data->rbuffer );
4977 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
4978 struct proc_data *data = (struct proc_data *)file->private_data;
4979 struct proc_dir_entry *dp = PDE(inode);
4980 struct net_device *dev = dp->data;
4981 struct airo_info *ai = dev->priv;
4987 if ( !data->writelen ) return;
4989 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
4991 for( i = 0; i < 3; i++ ) {
4993 for( j = 0; j+offset < data->writelen && j < 32 &&
4994 data->wbuffer[offset+j] != '\n'; j++ ) {
4995 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
4997 if ( j == 0 ) break;
4998 SSID_rid.ssids[i].len = j;
5000 while( data->wbuffer[offset] != '\n' &&
5001 offset < data->writelen ) offset++;
5005 SSID_rid.len = sizeof(SSID_rid);
5007 writeSsidRid(ai, &SSID_rid, 1);
5008 enable_MAC(ai, &rsp, 1);
5011 static inline u8 hexVal(char c) {
5012 if (c>='0' && c<='9') return c -= '0';
5013 if (c>='a' && c<='f') return c -= 'a'-10;
5014 if (c>='A' && c<='F') return c -= 'A'-10;
5018 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5019 struct proc_data *data = (struct proc_data *)file->private_data;
5020 struct proc_dir_entry *dp = PDE(inode);
5021 struct net_device *dev = dp->data;
5022 struct airo_info *ai = dev->priv;
5023 APListRid APList_rid;
5027 if ( !data->writelen ) return;
5029 memset( &APList_rid, 0, sizeof(APList_rid) );
5030 APList_rid.len = sizeof(APList_rid);
5032 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5034 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5037 APList_rid.ap[i][j/3]=
5038 hexVal(data->wbuffer[j+i*6*3])<<4;
5041 APList_rid.ap[i][j/3]|=
5042 hexVal(data->wbuffer[j+i*6*3]);
5048 writeAPListRid(ai, &APList_rid, 1);
5049 enable_MAC(ai, &rsp, 1);
5052 /* This function wraps PC4500_writerid with a MAC disable */
5053 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5054 int len, int dummy ) {
5059 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5060 enable_MAC(ai, &rsp, 1);
5064 /* Returns the length of the key at the index. If index == 0xffff
5065 * the index of the transmit key is returned. If the key doesn't exist,
5066 * -1 will be returned.
5068 static int get_wep_key(struct airo_info *ai, u16 index) {
5073 rc = readWepKeyRid(ai, &wkr, 1, 1);
5074 if (rc == SUCCESS) do {
5075 lastindex = wkr.kindex;
5076 if (wkr.kindex == index) {
5077 if (index == 0xffff) {
5082 readWepKeyRid(ai, &wkr, 0, 1);
5083 } while(lastindex != wkr.kindex);
5087 static int set_wep_key(struct airo_info *ai, u16 index,
5088 const char *key, u16 keylen, int perm, int lock ) {
5089 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5093 memset(&wkr, 0, sizeof(wkr));
5095 // We are selecting which key to use
5096 wkr.len = sizeof(wkr);
5097 wkr.kindex = 0xffff;
5098 wkr.mac[0] = (char)index;
5099 if (perm) printk(KERN_INFO "Setting transmit key to %d\n", index);
5100 if (perm) ai->defindex = (char)index;
5102 // We are actually setting the key
5103 wkr.len = sizeof(wkr);
5106 memcpy( wkr.key, key, keylen );
5107 memcpy( wkr.mac, macaddr, ETH_ALEN );
5108 printk(KERN_INFO "Setting key %d\n", index);
5111 disable_MAC(ai, lock);
5112 writeWepKeyRid(ai, &wkr, perm, lock);
5113 enable_MAC(ai, &rsp, lock);
5117 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5118 struct proc_data *data;
5119 struct proc_dir_entry *dp = PDE(inode);
5120 struct net_device *dev = dp->data;
5121 struct airo_info *ai = dev->priv;
5127 memset(key, 0, sizeof(key));
5129 data = (struct proc_data *)file->private_data;
5130 if ( !data->writelen ) return;
5132 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5133 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5134 index = data->wbuffer[0] - '0';
5135 if (data->wbuffer[1] == '\n') {
5136 set_wep_key(ai, index, NULL, 0, 1, 1);
5141 printk(KERN_ERR "airo: WepKey passed invalid key index\n");
5145 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5148 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5151 key[i/3] |= hexVal(data->wbuffer[i+j]);
5155 set_wep_key(ai, index, key, i/3, 1, 1);
5158 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5159 struct proc_data *data;
5160 struct proc_dir_entry *dp = PDE(inode);
5161 struct net_device *dev = dp->data;
5162 struct airo_info *ai = dev->priv;
5169 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5171 memset(file->private_data, 0, sizeof(struct proc_data));
5172 memset(&wkr, 0, sizeof(wkr));
5173 data = (struct proc_data *)file->private_data;
5174 if ((data->rbuffer = kmalloc( 180, GFP_KERNEL )) == NULL) {
5175 kfree (file->private_data);
5178 memset(data->rbuffer, 0, 180);
5180 data->maxwritelen = 80;
5181 if ((data->wbuffer = kmalloc( 80, GFP_KERNEL )) == NULL) {
5182 kfree (data->rbuffer);
5183 kfree (file->private_data);
5186 memset( data->wbuffer, 0, 80 );
5187 data->on_close = proc_wepkey_on_close;
5189 ptr = data->rbuffer;
5190 strcpy(ptr, "No wep keys\n");
5191 rc = readWepKeyRid(ai, &wkr, 1, 1);
5192 if (rc == SUCCESS) do {
5193 lastindex = wkr.kindex;
5194 if (wkr.kindex == 0xffff) {
5195 j += sprintf(ptr+j, "Tx key = %d\n",
5198 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5199 (int)wkr.kindex, (int)wkr.klen);
5201 readWepKeyRid(ai, &wkr, 0, 1);
5202 } while((lastindex != wkr.kindex) && (j < 180-30));
5204 data->readlen = strlen( data->rbuffer );
5208 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5209 struct proc_data *data;
5210 struct proc_dir_entry *dp = PDE(inode);
5211 struct net_device *dev = dp->data;
5212 struct airo_info *ai = dev->priv;
5217 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5219 memset(file->private_data, 0, sizeof(struct proc_data));
5220 data = (struct proc_data *)file->private_data;
5221 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5222 kfree (file->private_data);
5226 data->maxwritelen = 33*3;
5227 if ((data->wbuffer = kmalloc( 33*3, GFP_KERNEL )) == NULL) {
5228 kfree (data->rbuffer);
5229 kfree (file->private_data);
5232 memset( data->wbuffer, 0, 33*3 );
5233 data->on_close = proc_SSID_on_close;
5235 readSsidRid(ai, &SSID_rid);
5236 ptr = data->rbuffer;
5237 for( i = 0; i < 3; i++ ) {
5239 if ( !SSID_rid.ssids[i].len ) break;
5240 for( j = 0; j < 32 &&
5241 j < SSID_rid.ssids[i].len &&
5242 SSID_rid.ssids[i].ssid[j]; j++ ) {
5243 *ptr++ = SSID_rid.ssids[i].ssid[j];
5248 data->readlen = strlen( data->rbuffer );
5252 static int proc_APList_open( struct inode *inode, struct file *file ) {
5253 struct proc_data *data;
5254 struct proc_dir_entry *dp = PDE(inode);
5255 struct net_device *dev = dp->data;
5256 struct airo_info *ai = dev->priv;
5259 APListRid APList_rid;
5261 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5263 memset(file->private_data, 0, sizeof(struct proc_data));
5264 data = (struct proc_data *)file->private_data;
5265 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5266 kfree (file->private_data);
5270 data->maxwritelen = 4*6*3;
5271 if ((data->wbuffer = kmalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5272 kfree (data->rbuffer);
5273 kfree (file->private_data);
5276 memset( data->wbuffer, 0, data->maxwritelen );
5277 data->on_close = proc_APList_on_close;
5279 readAPListRid(ai, &APList_rid);
5280 ptr = data->rbuffer;
5281 for( i = 0; i < 4; i++ ) {
5282 // We end when we find a zero MAC
5283 if ( !*(int*)APList_rid.ap[i] &&
5284 !*(int*)&APList_rid.ap[i][2]) break;
5285 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5286 (int)APList_rid.ap[i][0],
5287 (int)APList_rid.ap[i][1],
5288 (int)APList_rid.ap[i][2],
5289 (int)APList_rid.ap[i][3],
5290 (int)APList_rid.ap[i][4],
5291 (int)APList_rid.ap[i][5]);
5293 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5296 data->readlen = strlen( data->rbuffer );
5300 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5301 struct proc_data *data;
5302 struct proc_dir_entry *dp = PDE(inode);
5303 struct net_device *dev = dp->data;
5304 struct airo_info *ai = dev->priv;
5306 BSSListRid BSSList_rid;
5308 /* If doLoseSync is not 1, we won't do a Lose Sync */
5309 int doLoseSync = -1;
5311 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5313 memset(file->private_data, 0, sizeof(struct proc_data));
5314 data = (struct proc_data *)file->private_data;
5315 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5316 kfree (file->private_data);
5320 data->maxwritelen = 0;
5321 data->wbuffer = NULL;
5322 data->on_close = NULL;
5324 if (file->f_mode & FMODE_WRITE) {
5325 if (!(file->f_mode & FMODE_READ)) {
5329 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5330 memset(&cmd, 0, sizeof(cmd));
5331 cmd.cmd=CMD_LISTBSS;
5332 if (down_interruptible(&ai->sem))
5333 return -ERESTARTSYS;
5334 issuecommand(ai, &cmd, &rsp);
5341 ptr = data->rbuffer;
5342 /* There is a race condition here if there are concurrent opens.
5343 Since it is a rare condition, we'll just live with it, otherwise
5344 we have to add a spin lock... */
5345 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5346 while(rc == 0 && BSSList_rid.index != 0xffff) {
5347 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5348 (int)BSSList_rid.bssid[0],
5349 (int)BSSList_rid.bssid[1],
5350 (int)BSSList_rid.bssid[2],
5351 (int)BSSList_rid.bssid[3],
5352 (int)BSSList_rid.bssid[4],
5353 (int)BSSList_rid.bssid[5],
5354 (int)BSSList_rid.ssidLen,
5356 (int)BSSList_rid.dBm);
5357 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5358 (int)BSSList_rid.dsChannel,
5359 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5360 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5361 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5362 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5363 rc = readBSSListRid(ai, 0, &BSSList_rid);
5366 data->readlen = strlen( data->rbuffer );
5370 static int proc_close( struct inode *inode, struct file *file )
5372 struct proc_data *data = (struct proc_data *)file->private_data;
5373 if ( data->on_close != NULL ) data->on_close( inode, file );
5374 if ( data->rbuffer ) kfree( data->rbuffer );
5375 if ( data->wbuffer ) kfree( data->wbuffer );
5380 static struct net_device_list {
5381 struct net_device *dev;
5382 struct net_device_list *next;
5385 /* Since the card doesn't automatically switch to the right WEP mode,
5386 we will make it do it. If the card isn't associated, every secs we
5387 will switch WEP modes to see if that will help. If the card is
5388 associated we will check every minute to see if anything has
5390 static void timer_func( struct net_device *dev ) {
5391 struct airo_info *apriv = dev->priv;
5394 /* We don't have a link so try changing the authtype */
5395 readConfigRid(apriv, 0);
5396 disable_MAC(apriv, 0);
5397 switch(apriv->config.authType) {
5399 /* So drop to OPEN */
5400 apriv->config.authType = AUTH_OPEN;
5402 case AUTH_SHAREDKEY:
5403 if (apriv->keyindex < auto_wep) {
5404 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5405 apriv->config.authType = AUTH_SHAREDKEY;
5408 /* Drop to ENCRYPT */
5409 apriv->keyindex = 0;
5410 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5411 apriv->config.authType = AUTH_ENCRYPT;
5414 default: /* We'll escalate to SHAREDKEY */
5415 apriv->config.authType = AUTH_SHAREDKEY;
5417 set_bit (FLAG_COMMIT, &apriv->flags);
5418 writeConfigRid(apriv, 0);
5419 enable_MAC(apriv, &rsp, 0);
5422 /* Schedule check to see if the change worked */
5423 clear_bit(JOB_AUTOWEP, &apriv->flags);
5424 apriv->expires = RUN_AT(HZ*3);
5427 static int add_airo_dev( struct net_device *dev ) {
5428 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5433 node->next = airo_devices;
5434 airo_devices = node;
5439 static void del_airo_dev( struct net_device *dev ) {
5440 struct net_device_list **p = &airo_devices;
5441 while( *p && ( (*p)->dev != dev ) )
5443 if ( *p && (*p)->dev == dev )
5448 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5449 const struct pci_device_id *pent)
5451 struct net_device *dev;
5453 if (pci_enable_device(pdev))
5455 pci_set_master(pdev);
5457 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5458 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5460 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5464 pci_set_drvdata(pdev, dev);
5468 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5472 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5474 struct net_device *dev = pci_get_drvdata(pdev);
5475 struct airo_info *ai = dev->priv;
5479 if ((ai->APList == NULL) &&
5480 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5482 if ((ai->SSID == NULL) &&
5483 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5485 readAPListRid(ai, ai->APList);
5486 readSsidRid(ai, ai->SSID);
5487 memset(&cmd, 0, sizeof(cmd));
5488 /* the lock will be released at the end of the resume callback */
5489 if (down_interruptible(&ai->sem))
5492 netif_device_detach(dev);
5495 issuecommand(ai, &cmd, &rsp);
5497 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5498 pci_save_state(pdev);
5499 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5502 static int airo_pci_resume(struct pci_dev *pdev)
5504 struct net_device *dev = pci_get_drvdata(pdev);
5505 struct airo_info *ai = dev->priv;
5507 pci_power_t prev_state = pdev->current_state;
5509 pci_set_power_state(pdev, PCI_D0);
5510 pci_restore_state(pdev);
5511 pci_enable_wake(pdev, PCI_D0, 0);
5513 if (prev_state != PCI_D1) {
5515 mpi_init_descriptors(ai);
5516 setup_card(ai, dev->dev_addr, 0);
5517 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5518 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5520 OUT4500(ai, EVACK, EV_AWAKEN);
5521 OUT4500(ai, EVACK, EV_AWAKEN);
5525 set_bit (FLAG_COMMIT, &ai->flags);
5529 writeSsidRid(ai, ai->SSID, 0);
5534 writeAPListRid(ai, ai->APList, 0);
5538 writeConfigRid(ai, 0);
5539 enable_MAC(ai, &rsp, 0);
5540 ai->power = PMSG_ON;
5541 netif_device_attach(dev);
5542 netif_wake_queue(dev);
5543 enable_interrupts(ai);
5549 static int __init airo_init_module( void )
5551 int i, have_isa_dev = 0;
5553 airo_entry = create_proc_entry("aironet",
5554 S_IFDIR | airo_perm,
5556 airo_entry->uid = proc_uid;
5557 airo_entry->gid = proc_gid;
5559 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5561 "airo: Trying to configure ISA adapter at irq=%d io=0x%x\n",
5563 if (init_airo_card( irq[i], io[i], 0, NULL ))
5568 printk( KERN_INFO "airo: Probing for PCI adapters\n" );
5569 pci_register_driver(&airo_driver);
5570 printk( KERN_INFO "airo: Finished probing for PCI adapters\n" );
5573 /* Always exit with success, as we are a library module
5574 * as well as a driver module
5579 static void __exit airo_cleanup_module( void )
5581 while( airo_devices ) {
5582 printk( KERN_INFO "airo: Unregistering %s\n", airo_devices->dev->name );
5583 stop_airo_card( airo_devices->dev, 1 );
5586 pci_unregister_driver(&airo_driver);
5588 remove_proc_entry("aironet", proc_root_driver);
5592 * Initial Wireless Extension code for Aironet driver by :
5593 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5594 * Conversion to new driver API by :
5595 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5596 * Javier also did a good amount of work here, adding some new extensions
5597 * and fixing my code. Let's just say that without him this code just
5598 * would not work at all... - Jean II
5601 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5606 return (0x100 - rssi_rid[rssi].rssidBm);
5609 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5616 for( i = 0; i < 256; i++ )
5617 if (rssi_rid[i].rssidBm == dbm)
5618 return rssi_rid[i].rssipct;
5624 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5628 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5629 if (memcmp(cap_rid->prodName, "350", 3))
5630 if (status_rid->signalQuality > 0x20)
5633 quality = 0x20 - status_rid->signalQuality;
5635 if (status_rid->signalQuality > 0xb0)
5637 else if (status_rid->signalQuality < 0x10)
5640 quality = 0xb0 - status_rid->signalQuality;
5645 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5646 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5648 /*------------------------------------------------------------------*/
5650 * Wireless Handler : get protocol name
5652 static int airo_get_name(struct net_device *dev,
5653 struct iw_request_info *info,
5657 strcpy(cwrq, "IEEE 802.11-DS");
5661 /*------------------------------------------------------------------*/
5663 * Wireless Handler : set frequency
5665 static int airo_set_freq(struct net_device *dev,
5666 struct iw_request_info *info,
5667 struct iw_freq *fwrq,
5670 struct airo_info *local = dev->priv;
5671 int rc = -EINPROGRESS; /* Call commit handler */
5673 /* If setting by frequency, convert to a channel */
5674 if((fwrq->e == 1) &&
5675 (fwrq->m >= (int) 2.412e8) &&
5676 (fwrq->m <= (int) 2.487e8)) {
5677 int f = fwrq->m / 100000;
5679 while((c < 14) && (f != frequency_list[c]))
5681 /* Hack to fall through... */
5685 /* Setting by channel number */
5686 if((fwrq->m > 1000) || (fwrq->e > 0))
5689 int channel = fwrq->m;
5690 /* We should do a better check than that,
5691 * based on the card capability !!! */
5692 if((channel < 1) || (channel > 16)) {
5693 printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
5696 readConfigRid(local, 1);
5697 /* Yes ! We can set it !!! */
5698 local->config.channelSet = (u16)(channel - 1);
5699 set_bit (FLAG_COMMIT, &local->flags);
5705 /*------------------------------------------------------------------*/
5707 * Wireless Handler : get frequency
5709 static int airo_get_freq(struct net_device *dev,
5710 struct iw_request_info *info,
5711 struct iw_freq *fwrq,
5714 struct airo_info *local = dev->priv;
5715 StatusRid status_rid; /* Card status info */
5717 readConfigRid(local, 1);
5718 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5719 status_rid.channel = local->config.channelSet;
5721 readStatusRid(local, &status_rid, 1);
5723 #ifdef WEXT_USECHANNELS
5724 fwrq->m = ((int)status_rid.channel) + 1;
5728 int f = (int)status_rid.channel;
5729 fwrq->m = frequency_list[f] * 100000;
5737 /*------------------------------------------------------------------*/
5739 * Wireless Handler : set ESSID
5741 static int airo_set_essid(struct net_device *dev,
5742 struct iw_request_info *info,
5743 struct iw_point *dwrq,
5746 struct airo_info *local = dev->priv;
5748 SsidRid SSID_rid; /* SSIDs */
5750 /* Reload the list of current SSID */
5751 readSsidRid(local, &SSID_rid);
5753 /* Check if we asked for `any' */
5754 if(dwrq->flags == 0) {
5755 /* Just send an empty SSID list */
5756 memset(&SSID_rid, 0, sizeof(SSID_rid));
5758 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5760 /* Check the size of the string */
5761 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5764 /* Check if index is valid */
5765 if((index < 0) || (index >= 4)) {
5770 memset(SSID_rid.ssids[index].ssid, 0,
5771 sizeof(SSID_rid.ssids[index].ssid));
5772 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5773 SSID_rid.ssids[index].len = dwrq->length - 1;
5775 SSID_rid.len = sizeof(SSID_rid);
5776 /* Write it to the card */
5777 disable_MAC(local, 1);
5778 writeSsidRid(local, &SSID_rid, 1);
5779 enable_MAC(local, &rsp, 1);
5784 /*------------------------------------------------------------------*/
5786 * Wireless Handler : get ESSID
5788 static int airo_get_essid(struct net_device *dev,
5789 struct iw_request_info *info,
5790 struct iw_point *dwrq,
5793 struct airo_info *local = dev->priv;
5794 StatusRid status_rid; /* Card status info */
5796 readStatusRid(local, &status_rid, 1);
5798 /* Note : if dwrq->flags != 0, we should
5799 * get the relevant SSID from the SSID list... */
5801 /* Get the current SSID */
5802 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5803 extra[status_rid.SSIDlen] = '\0';
5804 /* If none, we may want to get the one that was set */
5807 dwrq->length = status_rid.SSIDlen + 1;
5808 dwrq->flags = 1; /* active */
5813 /*------------------------------------------------------------------*/
5815 * Wireless Handler : set AP address
5817 static int airo_set_wap(struct net_device *dev,
5818 struct iw_request_info *info,
5819 struct sockaddr *awrq,
5822 struct airo_info *local = dev->priv;
5825 APListRid APList_rid;
5826 static const unsigned char bcast[ETH_ALEN] = { 255, 255, 255, 255, 255, 255 };
5828 if (awrq->sa_family != ARPHRD_ETHER)
5830 else if (!memcmp(bcast, awrq->sa_data, ETH_ALEN)) {
5831 memset(&cmd, 0, sizeof(cmd));
5832 cmd.cmd=CMD_LOSE_SYNC;
5833 if (down_interruptible(&local->sem))
5834 return -ERESTARTSYS;
5835 issuecommand(local, &cmd, &rsp);
5838 memset(&APList_rid, 0, sizeof(APList_rid));
5839 APList_rid.len = sizeof(APList_rid);
5840 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5841 disable_MAC(local, 1);
5842 writeAPListRid(local, &APList_rid, 1);
5843 enable_MAC(local, &rsp, 1);
5848 /*------------------------------------------------------------------*/
5850 * Wireless Handler : get AP address
5852 static int airo_get_wap(struct net_device *dev,
5853 struct iw_request_info *info,
5854 struct sockaddr *awrq,
5857 struct airo_info *local = dev->priv;
5858 StatusRid status_rid; /* Card status info */
5860 readStatusRid(local, &status_rid, 1);
5862 /* Tentative. This seems to work, wow, I'm lucky !!! */
5863 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5864 awrq->sa_family = ARPHRD_ETHER;
5869 /*------------------------------------------------------------------*/
5871 * Wireless Handler : set Nickname
5873 static int airo_set_nick(struct net_device *dev,
5874 struct iw_request_info *info,
5875 struct iw_point *dwrq,
5878 struct airo_info *local = dev->priv;
5880 /* Check the size of the string */
5881 if(dwrq->length > 16 + 1) {
5884 readConfigRid(local, 1);
5885 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5886 memcpy(local->config.nodeName, extra, dwrq->length);
5887 set_bit (FLAG_COMMIT, &local->flags);
5889 return -EINPROGRESS; /* Call commit handler */
5892 /*------------------------------------------------------------------*/
5894 * Wireless Handler : get Nickname
5896 static int airo_get_nick(struct net_device *dev,
5897 struct iw_request_info *info,
5898 struct iw_point *dwrq,
5901 struct airo_info *local = dev->priv;
5903 readConfigRid(local, 1);
5904 strncpy(extra, local->config.nodeName, 16);
5906 dwrq->length = strlen(extra) + 1;
5911 /*------------------------------------------------------------------*/
5913 * Wireless Handler : set Bit-Rate
5915 static int airo_set_rate(struct net_device *dev,
5916 struct iw_request_info *info,
5917 struct iw_param *vwrq,
5920 struct airo_info *local = dev->priv;
5921 CapabilityRid cap_rid; /* Card capability info */
5925 /* First : get a valid bit rate value */
5926 readCapabilityRid(local, &cap_rid, 1);
5928 /* Which type of value ? */
5929 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5930 /* Setting by rate index */
5931 /* Find value in the magic rate table */
5932 brate = cap_rid.supportedRates[vwrq->value];
5934 /* Setting by frequency value */
5935 u8 normvalue = (u8) (vwrq->value/500000);
5937 /* Check if rate is valid */
5938 for(i = 0 ; i < 8 ; i++) {
5939 if(normvalue == cap_rid.supportedRates[i]) {
5945 /* -1 designed the max rate (mostly auto mode) */
5946 if(vwrq->value == -1) {
5947 /* Get the highest available rate */
5948 for(i = 0 ; i < 8 ; i++) {
5949 if(cap_rid.supportedRates[i] == 0)
5953 brate = cap_rid.supportedRates[i - 1];
5955 /* Check that it is valid */
5960 readConfigRid(local, 1);
5961 /* Now, check if we want a fixed or auto value */
5962 if(vwrq->fixed == 0) {
5963 /* Fill all the rates up to this max rate */
5964 memset(local->config.rates, 0, 8);
5965 for(i = 0 ; i < 8 ; i++) {
5966 local->config.rates[i] = cap_rid.supportedRates[i];
5967 if(local->config.rates[i] == brate)
5972 /* One rate, fixed */
5973 memset(local->config.rates, 0, 8);
5974 local->config.rates[0] = brate;
5976 set_bit (FLAG_COMMIT, &local->flags);
5978 return -EINPROGRESS; /* Call commit handler */
5981 /*------------------------------------------------------------------*/
5983 * Wireless Handler : get Bit-Rate
5985 static int airo_get_rate(struct net_device *dev,
5986 struct iw_request_info *info,
5987 struct iw_param *vwrq,
5990 struct airo_info *local = dev->priv;
5991 StatusRid status_rid; /* Card status info */
5993 readStatusRid(local, &status_rid, 1);
5995 vwrq->value = status_rid.currentXmitRate * 500000;
5996 /* If more than one rate, set auto */
5997 readConfigRid(local, 1);
5998 vwrq->fixed = (local->config.rates[1] == 0);
6003 /*------------------------------------------------------------------*/
6005 * Wireless Handler : set RTS threshold
6007 static int airo_set_rts(struct net_device *dev,
6008 struct iw_request_info *info,
6009 struct iw_param *vwrq,
6012 struct airo_info *local = dev->priv;
6013 int rthr = vwrq->value;
6017 if((rthr < 0) || (rthr > 2312)) {
6020 readConfigRid(local, 1);
6021 local->config.rtsThres = rthr;
6022 set_bit (FLAG_COMMIT, &local->flags);
6024 return -EINPROGRESS; /* Call commit handler */
6027 /*------------------------------------------------------------------*/
6029 * Wireless Handler : get RTS threshold
6031 static int airo_get_rts(struct net_device *dev,
6032 struct iw_request_info *info,
6033 struct iw_param *vwrq,
6036 struct airo_info *local = dev->priv;
6038 readConfigRid(local, 1);
6039 vwrq->value = local->config.rtsThres;
6040 vwrq->disabled = (vwrq->value >= 2312);
6046 /*------------------------------------------------------------------*/
6048 * Wireless Handler : set Fragmentation threshold
6050 static int airo_set_frag(struct net_device *dev,
6051 struct iw_request_info *info,
6052 struct iw_param *vwrq,
6055 struct airo_info *local = dev->priv;
6056 int fthr = vwrq->value;
6060 if((fthr < 256) || (fthr > 2312)) {
6063 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6064 readConfigRid(local, 1);
6065 local->config.fragThresh = (u16)fthr;
6066 set_bit (FLAG_COMMIT, &local->flags);
6068 return -EINPROGRESS; /* Call commit handler */
6071 /*------------------------------------------------------------------*/
6073 * Wireless Handler : get Fragmentation threshold
6075 static int airo_get_frag(struct net_device *dev,
6076 struct iw_request_info *info,
6077 struct iw_param *vwrq,
6080 struct airo_info *local = dev->priv;
6082 readConfigRid(local, 1);
6083 vwrq->value = local->config.fragThresh;
6084 vwrq->disabled = (vwrq->value >= 2312);
6090 /*------------------------------------------------------------------*/
6092 * Wireless Handler : set Mode of Operation
6094 static int airo_set_mode(struct net_device *dev,
6095 struct iw_request_info *info,
6099 struct airo_info *local = dev->priv;
6102 readConfigRid(local, 1);
6103 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6108 local->config.opmode &= 0xFF00;
6109 local->config.opmode |= MODE_STA_IBSS;
6110 local->config.rmode &= 0xfe00;
6111 local->config.scanMode = SCANMODE_ACTIVE;
6112 clear_bit (FLAG_802_11, &local->flags);
6115 local->config.opmode &= 0xFF00;
6116 local->config.opmode |= MODE_STA_ESS;
6117 local->config.rmode &= 0xfe00;
6118 local->config.scanMode = SCANMODE_ACTIVE;
6119 clear_bit (FLAG_802_11, &local->flags);
6121 case IW_MODE_MASTER:
6122 local->config.opmode &= 0xFF00;
6123 local->config.opmode |= MODE_AP;
6124 local->config.rmode &= 0xfe00;
6125 local->config.scanMode = SCANMODE_ACTIVE;
6126 clear_bit (FLAG_802_11, &local->flags);
6128 case IW_MODE_REPEAT:
6129 local->config.opmode &= 0xFF00;
6130 local->config.opmode |= MODE_AP_RPTR;
6131 local->config.rmode &= 0xfe00;
6132 local->config.scanMode = SCANMODE_ACTIVE;
6133 clear_bit (FLAG_802_11, &local->flags);
6135 case IW_MODE_MONITOR:
6136 local->config.opmode &= 0xFF00;
6137 local->config.opmode |= MODE_STA_ESS;
6138 local->config.rmode &= 0xfe00;
6139 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6140 local->config.scanMode = SCANMODE_PASSIVE;
6141 set_bit (FLAG_802_11, &local->flags);
6147 set_bit (FLAG_RESET, &local->flags);
6148 set_bit (FLAG_COMMIT, &local->flags);
6150 return -EINPROGRESS; /* Call commit handler */
6153 /*------------------------------------------------------------------*/
6155 * Wireless Handler : get Mode of Operation
6157 static int airo_get_mode(struct net_device *dev,
6158 struct iw_request_info *info,
6162 struct airo_info *local = dev->priv;
6164 readConfigRid(local, 1);
6165 /* If not managed, assume it's ad-hoc */
6166 switch (local->config.opmode & 0xFF) {
6168 *uwrq = IW_MODE_INFRA;
6171 *uwrq = IW_MODE_MASTER;
6174 *uwrq = IW_MODE_REPEAT;
6177 *uwrq = IW_MODE_ADHOC;
6183 /*------------------------------------------------------------------*/
6185 * Wireless Handler : set Encryption Key
6187 static int airo_set_encode(struct net_device *dev,
6188 struct iw_request_info *info,
6189 struct iw_point *dwrq,
6192 struct airo_info *local = dev->priv;
6193 CapabilityRid cap_rid; /* Card capability info */
6195 /* Is WEP supported ? */
6196 readCapabilityRid(local, &cap_rid, 1);
6197 /* Older firmware doesn't support this...
6198 if(!(cap_rid.softCap & 2)) {
6201 readConfigRid(local, 1);
6203 /* Basic checking: do we have a key to set ?
6204 * Note : with the new API, it's impossible to get a NULL pointer.
6205 * Therefore, we need to check a key size == 0 instead.
6206 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6207 * when no key is present (only change flags), but older versions
6208 * don't do it. - Jean II */
6209 if (dwrq->length > 0) {
6211 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6212 int current_index = get_wep_key(local, 0xffff);
6213 /* Check the size of the key */
6214 if (dwrq->length > MAX_KEY_SIZE) {
6217 /* Check the index (none -> use current) */
6218 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6219 index = current_index;
6220 /* Set the length */
6221 if (dwrq->length > MIN_KEY_SIZE)
6222 key.len = MAX_KEY_SIZE;
6224 if (dwrq->length > 0)
6225 key.len = MIN_KEY_SIZE;
6227 /* Disable the key */
6229 /* Check if the key is not marked as invalid */
6230 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6232 memset(key.key, 0, MAX_KEY_SIZE);
6233 /* Copy the key in the driver */
6234 memcpy(key.key, extra, dwrq->length);
6235 /* Send the key to the card */
6236 set_wep_key(local, index, key.key, key.len, 1, 1);
6238 /* WE specify that if a valid key is set, encryption
6239 * should be enabled (user may turn it off later)
6240 * This is also how "iwconfig ethX key on" works */
6241 if((index == current_index) && (key.len > 0) &&
6242 (local->config.authType == AUTH_OPEN)) {
6243 local->config.authType = AUTH_ENCRYPT;
6244 set_bit (FLAG_COMMIT, &local->flags);
6247 /* Do we want to just set the transmit key index ? */
6248 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6249 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6250 set_wep_key(local, index, NULL, 0, 1, 1);
6252 /* Don't complain if only change the mode */
6253 if(!dwrq->flags & IW_ENCODE_MODE) {
6257 /* Read the flags */
6258 if(dwrq->flags & IW_ENCODE_DISABLED)
6259 local->config.authType = AUTH_OPEN; // disable encryption
6260 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6261 local->config.authType = AUTH_SHAREDKEY; // Only Both
6262 if(dwrq->flags & IW_ENCODE_OPEN)
6263 local->config.authType = AUTH_ENCRYPT; // Only Wep
6264 /* Commit the changes to flags if needed */
6265 if(dwrq->flags & IW_ENCODE_MODE)
6266 set_bit (FLAG_COMMIT, &local->flags);
6267 return -EINPROGRESS; /* Call commit handler */
6270 /*------------------------------------------------------------------*/
6272 * Wireless Handler : get Encryption Key
6274 static int airo_get_encode(struct net_device *dev,
6275 struct iw_request_info *info,
6276 struct iw_point *dwrq,
6279 struct airo_info *local = dev->priv;
6280 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6281 CapabilityRid cap_rid; /* Card capability info */
6283 /* Is it supported ? */
6284 readCapabilityRid(local, &cap_rid, 1);
6285 if(!(cap_rid.softCap & 2)) {
6288 readConfigRid(local, 1);
6289 /* Check encryption mode */
6290 switch(local->config.authType) {
6292 dwrq->flags = IW_ENCODE_OPEN;
6294 case AUTH_SHAREDKEY:
6295 dwrq->flags = IW_ENCODE_RESTRICTED;
6299 dwrq->flags = IW_ENCODE_DISABLED;
6302 /* We can't return the key, so set the proper flag and return zero */
6303 dwrq->flags |= IW_ENCODE_NOKEY;
6304 memset(extra, 0, 16);
6306 /* Which key do we want ? -1 -> tx index */
6307 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6308 index = get_wep_key(local, 0xffff);
6309 dwrq->flags |= index + 1;
6310 /* Copy the key to the user buffer */
6311 dwrq->length = get_wep_key(local, index);
6312 if (dwrq->length > 16) {
6318 /*------------------------------------------------------------------*/
6320 * Wireless Handler : set Tx-Power
6322 static int airo_set_txpow(struct net_device *dev,
6323 struct iw_request_info *info,
6324 struct iw_param *vwrq,
6327 struct airo_info *local = dev->priv;
6328 CapabilityRid cap_rid; /* Card capability info */
6332 readCapabilityRid(local, &cap_rid, 1);
6334 if (vwrq->disabled) {
6335 set_bit (FLAG_RADIO_OFF, &local->flags);
6336 set_bit (FLAG_COMMIT, &local->flags);
6337 return -EINPROGRESS; /* Call commit handler */
6339 if (vwrq->flags != IW_TXPOW_MWATT) {
6342 clear_bit (FLAG_RADIO_OFF, &local->flags);
6343 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6344 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6345 readConfigRid(local, 1);
6346 local->config.txPower = vwrq->value;
6347 set_bit (FLAG_COMMIT, &local->flags);
6348 rc = -EINPROGRESS; /* Call commit handler */
6354 /*------------------------------------------------------------------*/
6356 * Wireless Handler : get Tx-Power
6358 static int airo_get_txpow(struct net_device *dev,
6359 struct iw_request_info *info,
6360 struct iw_param *vwrq,
6363 struct airo_info *local = dev->priv;
6365 readConfigRid(local, 1);
6366 vwrq->value = local->config.txPower;
6367 vwrq->fixed = 1; /* No power control */
6368 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6369 vwrq->flags = IW_TXPOW_MWATT;
6374 /*------------------------------------------------------------------*/
6376 * Wireless Handler : set Retry limits
6378 static int airo_set_retry(struct net_device *dev,
6379 struct iw_request_info *info,
6380 struct iw_param *vwrq,
6383 struct airo_info *local = dev->priv;
6386 if(vwrq->disabled) {
6389 readConfigRid(local, 1);
6390 if(vwrq->flags & IW_RETRY_LIMIT) {
6391 if(vwrq->flags & IW_RETRY_MAX)
6392 local->config.longRetryLimit = vwrq->value;
6393 else if (vwrq->flags & IW_RETRY_MIN)
6394 local->config.shortRetryLimit = vwrq->value;
6396 /* No modifier : set both */
6397 local->config.longRetryLimit = vwrq->value;
6398 local->config.shortRetryLimit = vwrq->value;
6400 set_bit (FLAG_COMMIT, &local->flags);
6401 rc = -EINPROGRESS; /* Call commit handler */
6403 if(vwrq->flags & IW_RETRY_LIFETIME) {
6404 local->config.txLifetime = vwrq->value / 1024;
6405 set_bit (FLAG_COMMIT, &local->flags);
6406 rc = -EINPROGRESS; /* Call commit handler */
6411 /*------------------------------------------------------------------*/
6413 * Wireless Handler : get Retry limits
6415 static int airo_get_retry(struct net_device *dev,
6416 struct iw_request_info *info,
6417 struct iw_param *vwrq,
6420 struct airo_info *local = dev->priv;
6422 vwrq->disabled = 0; /* Can't be disabled */
6424 readConfigRid(local, 1);
6425 /* Note : by default, display the min retry number */
6426 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6427 vwrq->flags = IW_RETRY_LIFETIME;
6428 vwrq->value = (int)local->config.txLifetime * 1024;
6429 } else if((vwrq->flags & IW_RETRY_MAX)) {
6430 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6431 vwrq->value = (int)local->config.longRetryLimit;
6433 vwrq->flags = IW_RETRY_LIMIT;
6434 vwrq->value = (int)local->config.shortRetryLimit;
6435 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6436 vwrq->flags |= IW_RETRY_MIN;
6442 /*------------------------------------------------------------------*/
6444 * Wireless Handler : get range info
6446 static int airo_get_range(struct net_device *dev,
6447 struct iw_request_info *info,
6448 struct iw_point *dwrq,
6451 struct airo_info *local = dev->priv;
6452 struct iw_range *range = (struct iw_range *) extra;
6453 CapabilityRid cap_rid; /* Card capability info */
6457 readCapabilityRid(local, &cap_rid, 1);
6459 dwrq->length = sizeof(struct iw_range);
6460 memset(range, 0, sizeof(*range));
6461 range->min_nwid = 0x0000;
6462 range->max_nwid = 0x0000;
6463 range->num_channels = 14;
6464 /* Should be based on cap_rid.country to give only
6465 * what the current card support */
6467 for(i = 0; i < 14; i++) {
6468 range->freq[k].i = i + 1; /* List index */
6469 range->freq[k].m = frequency_list[i] * 100000;
6470 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6472 range->num_frequency = k;
6474 range->sensitivity = 65535;
6476 /* Hum... Should put the right values there */
6478 range->max_qual.qual = 100; /* % */
6480 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6481 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6482 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6484 /* Experimental measurements - boundary 11/5.5 Mb/s */
6485 /* Note : with or without the (local->rssi), results
6486 * are somewhat different. - Jean II */
6488 range->avg_qual.qual = 50; /* % */
6489 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6491 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6492 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6494 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6496 for(i = 0 ; i < 8 ; i++) {
6497 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6498 if(range->bitrate[i] == 0)
6501 range->num_bitrates = i;
6503 /* Set an indication of the max TCP throughput
6504 * in bit/s that we can expect using this interface.
6505 * May be use for QoS stuff... Jean II */
6507 range->throughput = 5000 * 1000;
6509 range->throughput = 1500 * 1000;
6512 range->max_rts = 2312;
6513 range->min_frag = 256;
6514 range->max_frag = 2312;
6516 if(cap_rid.softCap & 2) {
6518 range->encoding_size[0] = 5;
6520 if (cap_rid.softCap & 0x100) {
6521 range->encoding_size[1] = 13;
6522 range->num_encoding_sizes = 2;
6524 range->num_encoding_sizes = 1;
6525 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6527 range->num_encoding_sizes = 0;
6528 range->max_encoding_tokens = 0;
6531 range->max_pmp = 5000000; /* 5 secs */
6533 range->max_pmt = 65535 * 1024; /* ??? */
6534 range->pmp_flags = IW_POWER_PERIOD;
6535 range->pmt_flags = IW_POWER_TIMEOUT;
6536 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6538 /* Transmit Power - values are in mW */
6539 for(i = 0 ; i < 8 ; i++) {
6540 range->txpower[i] = cap_rid.txPowerLevels[i];
6541 if(range->txpower[i] == 0)
6544 range->num_txpower = i;
6545 range->txpower_capa = IW_TXPOW_MWATT;
6546 range->we_version_source = 12;
6547 range->we_version_compiled = WIRELESS_EXT;
6548 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6549 range->retry_flags = IW_RETRY_LIMIT;
6550 range->r_time_flags = IW_RETRY_LIFETIME;
6551 range->min_retry = 1;
6552 range->max_retry = 65535;
6553 range->min_r_time = 1024;
6554 range->max_r_time = 65535 * 1024;
6556 /* Event capability (kernel + driver) */
6557 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6558 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6559 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6560 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6561 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6562 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6566 /*------------------------------------------------------------------*/
6568 * Wireless Handler : set Power Management
6570 static int airo_set_power(struct net_device *dev,
6571 struct iw_request_info *info,
6572 struct iw_param *vwrq,
6575 struct airo_info *local = dev->priv;
6577 readConfigRid(local, 1);
6578 if (vwrq->disabled) {
6579 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6582 local->config.powerSaveMode = POWERSAVE_CAM;
6583 local->config.rmode &= 0xFF00;
6584 local->config.rmode |= RXMODE_BC_MC_ADDR;
6585 set_bit (FLAG_COMMIT, &local->flags);
6586 return -EINPROGRESS; /* Call commit handler */
6588 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6589 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6590 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6591 set_bit (FLAG_COMMIT, &local->flags);
6592 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6593 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6594 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6595 set_bit (FLAG_COMMIT, &local->flags);
6597 switch (vwrq->flags & IW_POWER_MODE) {
6598 case IW_POWER_UNICAST_R:
6599 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6602 local->config.rmode &= 0xFF00;
6603 local->config.rmode |= RXMODE_ADDR;
6604 set_bit (FLAG_COMMIT, &local->flags);
6606 case IW_POWER_ALL_R:
6607 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6610 local->config.rmode &= 0xFF00;
6611 local->config.rmode |= RXMODE_BC_MC_ADDR;
6612 set_bit (FLAG_COMMIT, &local->flags);
6618 // Note : we may want to factor local->need_commit here
6619 // Note2 : may also want to factor RXMODE_RFMON test
6620 return -EINPROGRESS; /* Call commit handler */
6623 /*------------------------------------------------------------------*/
6625 * Wireless Handler : get Power Management
6627 static int airo_get_power(struct net_device *dev,
6628 struct iw_request_info *info,
6629 struct iw_param *vwrq,
6632 struct airo_info *local = dev->priv;
6635 readConfigRid(local, 1);
6636 mode = local->config.powerSaveMode;
6637 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6639 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6640 vwrq->value = (int)local->config.fastListenDelay * 1024;
6641 vwrq->flags = IW_POWER_TIMEOUT;
6643 vwrq->value = (int)local->config.fastListenInterval * 1024;
6644 vwrq->flags = IW_POWER_PERIOD;
6646 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
6647 vwrq->flags |= IW_POWER_UNICAST_R;
6649 vwrq->flags |= IW_POWER_ALL_R;
6654 /*------------------------------------------------------------------*/
6656 * Wireless Handler : set Sensitivity
6658 static int airo_set_sens(struct net_device *dev,
6659 struct iw_request_info *info,
6660 struct iw_param *vwrq,
6663 struct airo_info *local = dev->priv;
6665 readConfigRid(local, 1);
6666 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
6667 set_bit (FLAG_COMMIT, &local->flags);
6669 return -EINPROGRESS; /* Call commit handler */
6672 /*------------------------------------------------------------------*/
6674 * Wireless Handler : get Sensitivity
6676 static int airo_get_sens(struct net_device *dev,
6677 struct iw_request_info *info,
6678 struct iw_param *vwrq,
6681 struct airo_info *local = dev->priv;
6683 readConfigRid(local, 1);
6684 vwrq->value = local->config.rssiThreshold;
6685 vwrq->disabled = (vwrq->value == 0);
6691 /*------------------------------------------------------------------*/
6693 * Wireless Handler : get AP List
6694 * Note : this is deprecated in favor of IWSCAN
6696 static int airo_get_aplist(struct net_device *dev,
6697 struct iw_request_info *info,
6698 struct iw_point *dwrq,
6701 struct airo_info *local = dev->priv;
6702 struct sockaddr *address = (struct sockaddr *) extra;
6703 struct iw_quality qual[IW_MAX_AP];
6706 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
6708 for (i = 0; i < IW_MAX_AP; i++) {
6709 if (readBSSListRid(local, loseSync, &BSSList))
6712 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
6713 address[i].sa_family = ARPHRD_ETHER;
6715 qual[i].level = 0x100 - BSSList.dBm;
6716 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
6717 qual[i].updated = IW_QUAL_QUAL_UPDATED
6718 | IW_QUAL_LEVEL_UPDATED
6721 qual[i].level = (BSSList.dBm + 321) / 2;
6723 qual[i].updated = IW_QUAL_QUAL_INVALID
6724 | IW_QUAL_LEVEL_UPDATED
6727 qual[i].noise = local->wstats.qual.noise;
6728 if (BSSList.index == 0xffff)
6732 StatusRid status_rid; /* Card status info */
6733 readStatusRid(local, &status_rid, 1);
6735 i < min(IW_MAX_AP, 4) &&
6736 (status_rid.bssid[i][0]
6737 & status_rid.bssid[i][1]
6738 & status_rid.bssid[i][2]
6739 & status_rid.bssid[i][3]
6740 & status_rid.bssid[i][4]
6741 & status_rid.bssid[i][5])!=0xff &&
6742 (status_rid.bssid[i][0]
6743 | status_rid.bssid[i][1]
6744 | status_rid.bssid[i][2]
6745 | status_rid.bssid[i][3]
6746 | status_rid.bssid[i][4]
6747 | status_rid.bssid[i][5]);
6749 memcpy(address[i].sa_data,
6750 status_rid.bssid[i], ETH_ALEN);
6751 address[i].sa_family = ARPHRD_ETHER;
6754 dwrq->flags = 1; /* Should be define'd */
6755 memcpy(extra + sizeof(struct sockaddr)*i,
6756 &qual, sizeof(struct iw_quality)*i);
6763 /*------------------------------------------------------------------*/
6765 * Wireless Handler : Initiate Scan
6767 static int airo_set_scan(struct net_device *dev,
6768 struct iw_request_info *info,
6769 struct iw_param *vwrq,
6772 struct airo_info *ai = dev->priv;
6776 /* Note : you may have realised that, as this is a SET operation,
6777 * this is privileged and therefore a normal user can't
6779 * This is not an error, while the device perform scanning,
6780 * traffic doesn't flow, so it's a perfect DoS...
6782 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
6784 /* Initiate a scan command */
6785 memset(&cmd, 0, sizeof(cmd));
6786 cmd.cmd=CMD_LISTBSS;
6787 if (down_interruptible(&ai->sem))
6788 return -ERESTARTSYS;
6789 issuecommand(ai, &cmd, &rsp);
6790 ai->scan_timestamp = jiffies;
6793 /* At this point, just return to the user. */
6798 /*------------------------------------------------------------------*/
6800 * Translate scan data returned from the card to a card independent
6801 * format that the Wireless Tools will understand - Jean II
6803 static inline char *airo_translate_scan(struct net_device *dev,
6808 struct airo_info *ai = dev->priv;
6809 struct iw_event iwe; /* Temporary buffer */
6811 char * current_val; /* For rates */
6814 /* First entry *MUST* be the AP MAC address */
6815 iwe.cmd = SIOCGIWAP;
6816 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
6817 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
6818 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
6820 /* Other entries will be displayed in the order we give them */
6823 iwe.u.data.length = bss->ssidLen;
6824 if(iwe.u.data.length > 32)
6825 iwe.u.data.length = 32;
6826 iwe.cmd = SIOCGIWESSID;
6827 iwe.u.data.flags = 1;
6828 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6831 iwe.cmd = SIOCGIWMODE;
6832 capabilities = le16_to_cpu(bss->cap);
6833 if(capabilities & (CAP_ESS | CAP_IBSS)) {
6834 if(capabilities & CAP_ESS)
6835 iwe.u.mode = IW_MODE_MASTER;
6837 iwe.u.mode = IW_MODE_ADHOC;
6838 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
6842 iwe.cmd = SIOCGIWFREQ;
6843 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
6844 /* iwe.u.freq.m containt the channel (starting 1), our
6845 * frequency_list array start at index 0...
6847 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
6849 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
6851 /* Add quality statistics */
6854 iwe.u.qual.level = 0x100 - bss->dBm;
6855 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
6856 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
6857 | IW_QUAL_LEVEL_UPDATED
6860 iwe.u.qual.level = (bss->dBm + 321) / 2;
6861 iwe.u.qual.qual = 0;
6862 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
6863 | IW_QUAL_LEVEL_UPDATED
6866 iwe.u.qual.noise = ai->wstats.qual.noise;
6867 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
6869 /* Add encryption capability */
6870 iwe.cmd = SIOCGIWENCODE;
6871 if(capabilities & CAP_PRIVACY)
6872 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
6874 iwe.u.data.flags = IW_ENCODE_DISABLED;
6875 iwe.u.data.length = 0;
6876 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6878 /* Rate : stuffing multiple values in a single event require a bit
6879 * more of magic - Jean II */
6880 current_val = current_ev + IW_EV_LCP_LEN;
6882 iwe.cmd = SIOCGIWRATE;
6883 /* Those two flags are ignored... */
6884 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
6886 for(i = 0 ; i < 8 ; i++) {
6887 /* NULL terminated */
6888 if(bss->rates[i] == 0)
6890 /* Bit rate given in 500 kb/s units (+ 0x80) */
6891 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
6892 /* Add new value to event */
6893 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
6895 /* Check if we added any event */
6896 if((current_val - current_ev) > IW_EV_LCP_LEN)
6897 current_ev = current_val;
6899 /* The other data in the scan result are not really
6900 * interesting, so for now drop it - Jean II */
6904 /*------------------------------------------------------------------*/
6906 * Wireless Handler : Read Scan Results
6908 static int airo_get_scan(struct net_device *dev,
6909 struct iw_request_info *info,
6910 struct iw_point *dwrq,
6913 struct airo_info *ai = dev->priv;
6916 char *current_ev = extra;
6918 /* When we are associated again, the scan has surely finished.
6919 * Just in case, let's make sure enough time has elapsed since
6920 * we started the scan. - Javier */
6921 if(ai->scan_timestamp && time_before(jiffies,ai->scan_timestamp+3*HZ)) {
6922 /* Important note : we don't want to block the caller
6923 * until results are ready for various reasons.
6924 * First, managing wait queues is complex and racy
6925 * (there may be multiple simultaneous callers).
6926 * Second, we grab some rtnetlink lock before comming
6927 * here (in dev_ioctl()).
6928 * Third, the caller can wait on the Wireless Event
6932 ai->scan_timestamp = 0;
6934 /* There's only a race with proc_BSSList_open(), but its
6935 * consequences are begnign. So I don't bother fixing it - Javier */
6937 /* Try to read the first entry of the scan result */
6938 rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 1);
6939 if((rc) || (BSSList.index == 0xffff)) {
6940 /* Client error, no scan results...
6941 * The caller need to restart the scan. */
6945 /* Read and parse all entries */
6946 while((!rc) && (BSSList.index != 0xffff)) {
6947 /* Translate to WE format this entry */
6948 current_ev = airo_translate_scan(dev, current_ev,
6949 extra + dwrq->length,
6952 /* Check if there is space for one more entry */
6953 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
6954 /* Ask user space to try again with a bigger buffer */
6958 /* Read next entry */
6959 rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
6960 &BSSList, sizeof(BSSList), 1);
6962 /* Length of data */
6963 dwrq->length = (current_ev - extra);
6964 dwrq->flags = 0; /* todo */
6969 /*------------------------------------------------------------------*/
6971 * Commit handler : called after a bunch of SET operations
6973 static int airo_config_commit(struct net_device *dev,
6974 struct iw_request_info *info, /* NULL */
6975 void *zwrq, /* NULL */
6976 char *extra) /* NULL */
6978 struct airo_info *local = dev->priv;
6981 if (!test_bit (FLAG_COMMIT, &local->flags))
6984 /* Some of the "SET" function may have modified some of the
6985 * parameters. It's now time to commit them in the card */
6986 disable_MAC(local, 1);
6987 if (test_bit (FLAG_RESET, &local->flags)) {
6988 APListRid APList_rid;
6991 readAPListRid(local, &APList_rid);
6992 readSsidRid(local, &SSID_rid);
6993 if (test_bit(FLAG_MPI,&local->flags))
6994 setup_card(local, dev->dev_addr, 1 );
6996 reset_airo_card(dev);
6997 disable_MAC(local, 1);
6998 writeSsidRid(local, &SSID_rid, 1);
6999 writeAPListRid(local, &APList_rid, 1);
7001 if (down_interruptible(&local->sem))
7002 return -ERESTARTSYS;
7003 writeConfigRid(local, 0);
7004 enable_MAC(local, &rsp, 0);
7005 if (test_bit (FLAG_RESET, &local->flags))
7006 airo_set_promisc(local);
7013 /*------------------------------------------------------------------*/
7015 * Structures to export the Wireless Handlers
7018 static const struct iw_priv_args airo_private_args[] = {
7019 /*{ cmd, set_args, get_args, name } */
7020 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7021 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7022 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7023 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7026 static const iw_handler airo_handler[] =
7028 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7029 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7030 (iw_handler) NULL, /* SIOCSIWNWID */
7031 (iw_handler) NULL, /* SIOCGIWNWID */
7032 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7033 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7034 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7035 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7036 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7037 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7038 (iw_handler) NULL, /* SIOCSIWRANGE */
7039 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7040 (iw_handler) NULL, /* SIOCSIWPRIV */
7041 (iw_handler) NULL, /* SIOCGIWPRIV */
7042 (iw_handler) NULL, /* SIOCSIWSTATS */
7043 (iw_handler) NULL, /* SIOCGIWSTATS */
7044 iw_handler_set_spy, /* SIOCSIWSPY */
7045 iw_handler_get_spy, /* SIOCGIWSPY */
7046 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7047 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7048 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7049 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7050 (iw_handler) NULL, /* -- hole -- */
7051 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7052 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7053 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7054 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7055 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7056 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7057 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7058 (iw_handler) NULL, /* -- hole -- */
7059 (iw_handler) NULL, /* -- hole -- */
7060 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7061 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7062 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7063 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7064 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7065 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7066 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7067 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7068 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7069 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7070 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7071 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7072 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7073 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7076 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7077 * We want to force the use of the ioctl code, because those can't be
7078 * won't work the iw_handler code (because they simultaneously read
7079 * and write data and iw_handler can't do that).
7080 * Note that it's perfectly legal to read/write on a single ioctl command,
7081 * you just can't use iwpriv and need to force it via the ioctl handler.
7083 static const iw_handler airo_private_handler[] =
7085 NULL, /* SIOCIWFIRSTPRIV */
7088 static const struct iw_handler_def airo_handler_def =
7090 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7091 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7092 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7093 .standard = airo_handler,
7094 .private = airo_private_handler,
7095 .private_args = airo_private_args,
7096 .get_wireless_stats = airo_get_wireless_stats,
7100 * This defines the configuration part of the Wireless Extensions
7101 * Note : irq and spinlock protection will occur in the subroutines
7104 * o Check input value more carefully and fill correct values in range
7105 * o Test and shakeout the bugs (if any)
7109 * Javier Achirica did a great job of merging code from the unnamed CISCO
7110 * developer that added support for flashing the card.
7112 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7115 struct airo_info *ai = (struct airo_info *)dev->priv;
7117 if (ai->power.event)
7127 int val = AIROMAGIC;
7129 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7131 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7140 /* Get the command struct and hand it off for evaluation by
7141 * the proper subfunction
7145 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7150 /* Separate R/W functions bracket legality here
7152 if ( com.command == AIRORSWVERSION ) {
7153 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7158 else if ( com.command <= AIRORRID)
7159 rc = readrids(dev,&com);
7160 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7161 rc = writerids(dev,&com);
7162 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7163 rc = flashcard(dev,&com);
7165 rc = -EINVAL; /* Bad command in ioctl */
7168 #endif /* CISCO_EXT */
7170 // All other calls are currently unsupported
7178 * Get the Wireless stats out of the driver
7179 * Note : irq and spinlock protection will occur in the subroutines
7182 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7186 static void airo_read_wireless_stats(struct airo_info *local)
7188 StatusRid status_rid;
7190 CapabilityRid cap_rid;
7191 u32 *vals = stats_rid.vals;
7193 /* Get stats out of the card */
7194 clear_bit(JOB_WSTATS, &local->flags);
7195 if (local->power.event) {
7199 readCapabilityRid(local, &cap_rid, 0);
7200 readStatusRid(local, &status_rid, 0);
7201 readStatsRid(local, &stats_rid, RID_STATS, 0);
7205 local->wstats.status = status_rid.mode;
7207 /* Signal quality and co */
7209 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7210 /* normalizedSignalStrength appears to be a percentage */
7211 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7213 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7214 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7216 if (status_rid.len >= 124) {
7217 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7218 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7220 local->wstats.qual.noise = 0;
7221 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7224 /* Packets discarded in the wireless adapter due to wireless
7225 * specific problems */
7226 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7227 local->wstats.discard.code = vals[6];/* RxWepErr */
7228 local->wstats.discard.fragment = vals[30];
7229 local->wstats.discard.retries = vals[10];
7230 local->wstats.discard.misc = vals[1] + vals[32];
7231 local->wstats.miss.beacon = vals[34];
7234 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7236 struct airo_info *local = dev->priv;
7238 if (!test_bit(JOB_WSTATS, &local->flags)) {
7239 /* Get stats out of the card if available */
7240 if (down_trylock(&local->sem) != 0) {
7241 set_bit(JOB_WSTATS, &local->flags);
7242 wake_up_interruptible(&local->thr_wait);
7244 airo_read_wireless_stats(local);
7247 return &local->wstats;
7252 * This just translates from driver IOCTL codes to the command codes to
7253 * feed to the radio's host interface. Things can be added/deleted
7254 * as needed. This represents the READ side of control I/O to
7257 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7258 unsigned short ridcode;
7259 unsigned char *iobuf;
7261 struct airo_info *ai = dev->priv;
7264 if (test_bit(FLAG_FLASHING, &ai->flags))
7267 switch(comp->command)
7269 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7270 case AIROGCFG: ridcode = RID_CONFIG;
7271 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7272 disable_MAC (ai, 1);
7273 writeConfigRid (ai, 1);
7274 enable_MAC (ai, &rsp, 1);
7277 case AIROGSLIST: ridcode = RID_SSID; break;
7278 case AIROGVLIST: ridcode = RID_APLIST; break;
7279 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7280 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7281 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7282 /* Only super-user can read WEP keys */
7283 if (!capable(CAP_NET_ADMIN))
7286 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7287 /* Only super-user can read WEP keys */
7288 if (!capable(CAP_NET_ADMIN))
7291 case AIROGSTAT: ridcode = RID_STATUS; break;
7292 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7293 case AIROGSTATSC32: ridcode = RID_STATS; break;
7296 if (copy_to_user(comp->data, &ai->micstats,
7297 min((int)comp->len,(int)sizeof(ai->micstats))))
7301 case AIRORRID: ridcode = comp->ridnum; break;
7307 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7310 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7311 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7312 * then return it to the user
7313 * 9/22/2000 Honor user given length
7317 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7326 * Danger Will Robinson write the rids here
7329 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7330 struct airo_info *ai = dev->priv;
7336 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7337 unsigned char *iobuf;
7339 /* Only super-user can write RIDs */
7340 if (!capable(CAP_NET_ADMIN))
7343 if (test_bit(FLAG_FLASHING, &ai->flags))
7347 writer = do_writerid;
7349 switch(comp->command)
7351 case AIROPSIDS: ridcode = RID_SSID; break;
7352 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7353 case AIROPAPLIST: ridcode = RID_APLIST; break;
7354 case AIROPCFG: ai->config.len = 0;
7355 clear_bit(FLAG_COMMIT, &ai->flags);
7356 ridcode = RID_CONFIG; break;
7357 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7358 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7359 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7360 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7362 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7363 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7365 /* this is not really a rid but a command given to the card
7369 if (enable_MAC(ai, &rsp, 1) != 0)
7374 * Evidently this code in the airo driver does not get a symbol
7375 * as disable_MAC. it's probably so short the compiler does not gen one.
7381 /* This command merely clears the counts does not actually store any data
7382 * only reads rid. But as it changes the cards state, I put it in the
7383 * writerid routines.
7386 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7389 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7392 enabled = ai->micstats.enabled;
7393 memset(&ai->micstats,0,sizeof(ai->micstats));
7394 ai->micstats.enabled = enabled;
7397 if (copy_to_user(comp->data, iobuf,
7398 min((int)comp->len, (int)RIDSIZE))) {
7406 return -EOPNOTSUPP; /* Blarg! */
7408 if(comp->len > RIDSIZE)
7411 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7414 if (copy_from_user(iobuf,comp->data,comp->len)) {
7419 if (comp->command == AIROPCFG) {
7420 ConfigRid *cfg = (ConfigRid *)iobuf;
7422 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7423 cfg->opmode |= MODE_MIC;
7425 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7426 set_bit (FLAG_ADHOC, &ai->flags);
7428 clear_bit (FLAG_ADHOC, &ai->flags);
7431 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7439 /*****************************************************************************
7440 * Ancillary flash / mod functions much black magic lurkes here *
7441 *****************************************************************************
7445 * Flash command switch table
7448 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7451 /* Only super-user can modify flash */
7452 if (!capable(CAP_NET_ADMIN))
7455 switch(comp->command)
7458 return cmdreset((struct airo_info *)dev->priv);
7461 if (!((struct airo_info *)dev->priv)->flash &&
7462 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7464 return setflashmode((struct airo_info *)dev->priv);
7466 case AIROFLSHGCHR: /* Get char from aux */
7467 if(comp->len != sizeof(int))
7469 if (copy_from_user(&z,comp->data,comp->len))
7471 return flashgchar((struct airo_info *)dev->priv,z,8000);
7473 case AIROFLSHPCHR: /* Send char to card. */
7474 if(comp->len != sizeof(int))
7476 if (copy_from_user(&z,comp->data,comp->len))
7478 return flashpchar((struct airo_info *)dev->priv,z,8000);
7480 case AIROFLPUTBUF: /* Send 32k to card */
7481 if (!((struct airo_info *)dev->priv)->flash)
7483 if(comp->len > FLASHSIZE)
7485 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7488 flashputbuf((struct airo_info *)dev->priv);
7492 if(flashrestart((struct airo_info *)dev->priv,dev))
7499 #define FLASH_COMMAND 0x7e7e
7503 * Disable MAC and do soft reset on
7507 static int cmdreset(struct airo_info *ai) {
7511 printk(KERN_INFO "Waitbusy hang before RESET\n");
7515 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7517 ssleep(1); /* WAS 600 12/7/00 */
7520 printk(KERN_INFO "Waitbusy hang AFTER RESET\n");
7527 * Put the card in legendary flash
7531 static int setflashmode (struct airo_info *ai) {
7532 set_bit (FLAG_FLASHING, &ai->flags);
7534 OUT4500(ai, SWS0, FLASH_COMMAND);
7535 OUT4500(ai, SWS1, FLASH_COMMAND);
7537 OUT4500(ai, SWS0, FLASH_COMMAND);
7538 OUT4500(ai, COMMAND,0x10);
7540 OUT4500(ai, SWS2, FLASH_COMMAND);
7541 OUT4500(ai, SWS3, FLASH_COMMAND);
7542 OUT4500(ai, COMMAND,0);
7544 msleep(500); /* 500ms delay */
7547 clear_bit (FLAG_FLASHING, &ai->flags);
7548 printk(KERN_INFO "Waitbusy hang after setflash mode\n");
7554 /* Put character to SWS0 wait for dwelltime
7558 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7569 /* Wait for busy bit d15 to go false indicating buffer empty */
7570 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7575 /* timeout for busy clear wait */
7577 printk(KERN_INFO "flash putchar busywait timeout! \n");
7581 /* Port is clear now write byte and wait for it to echo back */
7583 OUT4500(ai,SWS0,byte);
7586 echo = IN4500(ai,SWS1);
7587 } while (dwelltime >= 0 && echo != byte);
7591 return (echo == byte) ? 0 : -EIO;
7595 * Get a character from the card matching matchbyte
7598 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
7600 unsigned char rbyte=0;
7603 rchar = IN4500(ai,SWS1);
7605 if(dwelltime && !(0x8000 & rchar)){
7610 rbyte = 0xff & rchar;
7612 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
7616 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
7620 }while(dwelltime > 0);
7625 * Transfer 32k of firmware data from user buffer to our buffer and
7629 static int flashputbuf(struct airo_info *ai){
7633 if (test_bit(FLAG_MPI,&ai->flags))
7634 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
7636 OUT4500(ai,AUXPAGE,0x100);
7637 OUT4500(ai,AUXOFF,0);
7639 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
7640 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
7643 OUT4500(ai,SWS0,0x8000);
7651 static int flashrestart(struct airo_info *ai,struct net_device *dev){
7654 ssleep(1); /* Added 12/7/00 */
7655 clear_bit (FLAG_FLASHING, &ai->flags);
7656 if (test_bit(FLAG_MPI, &ai->flags)) {
7657 status = mpi_init_descriptors(ai);
7658 if (status != SUCCESS)
7661 status = setup_card(ai, dev->dev_addr, 1);
7663 if (!test_bit(FLAG_MPI,&ai->flags))
7664 for( i = 0; i < MAX_FIDS; i++ ) {
7665 ai->fids[i] = transmit_allocate
7666 ( ai, 2312, i >= MAX_FIDS / 2 );
7669 ssleep(1); /* Added 12/7/00 */
7672 #endif /* CISCO_EXT */
7675 This program is free software; you can redistribute it and/or
7676 modify it under the terms of the GNU General Public License
7677 as published by the Free Software Foundation; either version 2
7678 of the License, or (at your option) any later version.
7680 This program is distributed in the hope that it will be useful,
7681 but WITHOUT ANY WARRANTY; without even the implied warranty of
7682 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7683 GNU General Public License for more details.
7687 Redistribution and use in source and binary forms, with or without
7688 modification, are permitted provided that the following conditions
7691 1. Redistributions of source code must retain the above copyright
7692 notice, this list of conditions and the following disclaimer.
7693 2. Redistributions in binary form must reproduce the above copyright
7694 notice, this list of conditions and the following disclaimer in the
7695 documentation and/or other materials provided with the distribution.
7696 3. The name of the author may not be used to endorse or promote
7697 products derived from this software without specific prior written
7700 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
7701 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7702 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
7703 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
7704 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
7705 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
7706 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
7707 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
7708 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
7709 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
7710 POSSIBILITY OF SUCH DAMAGE.
7713 module_init(airo_init_module);
7714 module_exit(airo_cleanup_module);