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>
38 #include <linux/scatterlist.h>
40 #include <asm/system.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <asm/uaccess.h>
51 static struct pci_device_id card_ids[] = {
52 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
53 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
54 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
55 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
56 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
57 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
58 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
61 MODULE_DEVICE_TABLE(pci, card_ids);
63 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
64 static void airo_pci_remove(struct pci_dev *);
65 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
66 static int airo_pci_resume(struct pci_dev *pdev);
68 static struct pci_driver airo_driver = {
71 .probe = airo_pci_probe,
72 .remove = __devexit_p(airo_pci_remove),
73 .suspend = airo_pci_suspend,
74 .resume = airo_pci_resume,
76 #endif /* CONFIG_PCI */
78 /* Include Wireless Extension definition and check version - Jean II */
79 #include <linux/wireless.h>
80 #define WIRELESS_SPY // enable iwspy support
81 #include <net/iw_handler.h> // New driver API
83 #define CISCO_EXT // enable Cisco extensions
85 #include <linux/delay.h>
88 /* Support Cisco MIC feature */
91 #if defined(MICSUPPORT) && !defined(CONFIG_CRYPTO)
92 #warning MIC support requires Crypto API
96 /* Hack to do some power saving */
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
105 #define IGNLABEL(comment) NULL
106 static char *statsLabels[] = {
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
209 #define RUN_AT(x) (jiffies+(x))
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
218 static int basic_rate;
219 static char *ssids[3];
225 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
228 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
233 static int probe = 1;
235 static int proc_uid /* = 0 */;
237 static int proc_gid /* = 0 */;
239 static int airo_perm = 0555;
241 static int proc_perm = 0644;
243 MODULE_AUTHOR("Benjamin Reed");
244 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
245 cards. Direct support for ISA/PCI/MPI cards and support \
246 for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param(basic_rate, int, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256 the authentication options until an association is made. The value of \
257 auto_wep is number of the wep keys to check. A value of 2 will try using \
258 the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261 than seems to work better for older cards with some older buses. Before \
262 switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266 Older cards used to be limited to 2mbs (4).");
267 module_param(adhoc, int, 0);
268 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269 module_param(probe, int, 0);
270 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272 module_param(proc_uid, int, 0);
273 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274 module_param(proc_gid, int, 0);
275 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276 module_param(airo_perm, int, 0);
277 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278 module_param(proc_perm, int, 0);
279 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281 /* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284 static int do8bitIO = 0;
293 #define MAC_ENABLE 0x0001
294 #define MAC_DISABLE 0x0002
295 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296 #define CMD_SOFTRESET 0x0004
297 #define HOSTSLEEP 0x0005
298 #define CMD_MAGIC_PKT 0x0006
299 #define CMD_SETWAKEMASK 0x0007
300 #define CMD_READCFG 0x0008
301 #define CMD_SETMODE 0x0009
302 #define CMD_ALLOCATETX 0x000a
303 #define CMD_TRANSMIT 0x000b
304 #define CMD_DEALLOCATETX 0x000c
306 #define CMD_WORKAROUND 0x0011
307 #define CMD_ALLOCATEAUX 0x0020
308 #define CMD_ACCESS 0x0021
309 #define CMD_PCIBAP 0x0022
310 #define CMD_PCIAUX 0x0023
311 #define CMD_ALLOCBUF 0x0028
312 #define CMD_GETTLV 0x0029
313 #define CMD_PUTTLV 0x002a
314 #define CMD_DELTLV 0x002b
315 #define CMD_FINDNEXTTLV 0x002c
316 #define CMD_PSPNODES 0x0030
317 #define CMD_SETCW 0x0031
318 #define CMD_SETPCF 0x0032
319 #define CMD_SETPHYREG 0x003e
320 #define CMD_TXTEST 0x003f
321 #define MAC_ENABLETX 0x0101
322 #define CMD_LISTBSS 0x0103
323 #define CMD_SAVECFG 0x0108
324 #define CMD_ENABLEAUX 0x0111
325 #define CMD_WRITERID 0x0121
326 #define CMD_USEPSPNODES 0x0130
327 #define MAC_ENABLERX 0x0201
330 #define ERROR_QUALIF 0x00
331 #define ERROR_ILLCMD 0x01
332 #define ERROR_ILLFMT 0x02
333 #define ERROR_INVFID 0x03
334 #define ERROR_INVRID 0x04
335 #define ERROR_LARGE 0x05
336 #define ERROR_NDISABL 0x06
337 #define ERROR_ALLOCBSY 0x07
338 #define ERROR_NORD 0x0B
339 #define ERROR_NOWR 0x0C
340 #define ERROR_INVFIDTX 0x0D
341 #define ERROR_TESTACT 0x0E
342 #define ERROR_TAGNFND 0x12
343 #define ERROR_DECODE 0x20
344 #define ERROR_DESCUNAV 0x21
345 #define ERROR_BADLEN 0x22
346 #define ERROR_MODE 0x80
347 #define ERROR_HOP 0x81
348 #define ERROR_BINTER 0x82
349 #define ERROR_RXMODE 0x83
350 #define ERROR_MACADDR 0x84
351 #define ERROR_RATES 0x85
352 #define ERROR_ORDER 0x86
353 #define ERROR_SCAN 0x87
354 #define ERROR_AUTH 0x88
355 #define ERROR_PSMODE 0x89
356 #define ERROR_RTYPE 0x8A
357 #define ERROR_DIVER 0x8B
358 #define ERROR_SSID 0x8C
359 #define ERROR_APLIST 0x8D
360 #define ERROR_AUTOWAKE 0x8E
361 #define ERROR_LEAP 0x8F
372 #define LINKSTAT 0x10
376 #define TXALLOCFID 0x22
377 #define TXCOMPLFID 0x24
392 /* Offset into aux memory for descriptors */
393 #define AUX_OFFSET 0x800
394 /* Size of allocated packets */
397 /* Size of the transmit queue */
401 #define BAP0 0 // Used for receiving packets
402 #define BAP1 2 // Used for xmiting packets and working with RIDS
405 #define COMMAND_BUSY 0x8000
407 #define BAP_BUSY 0x8000
408 #define BAP_ERR 0x4000
409 #define BAP_DONE 0x2000
411 #define PROMISC 0xffff
412 #define NOPROMISC 0x0000
415 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_TXEXC 0x04
419 #define EV_ALLOC 0x08
421 #define EV_AWAKE 0x100
422 #define EV_TXCPY 0x400
423 #define EV_UNKNOWN 0x800
424 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425 #define EV_AWAKEN 0x2000
426 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428 #ifdef CHECK_UNKNOWN_INTS
429 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #define IGNORE_INTS (~STATUS_INTS)
438 #define RID_CAPABILITIES 0xFF00
439 #define RID_APINFO 0xFF01
440 #define RID_RADIOINFO 0xFF02
441 #define RID_UNKNOWN3 0xFF03
442 #define RID_RSSI 0xFF04
443 #define RID_CONFIG 0xFF10
444 #define RID_SSID 0xFF11
445 #define RID_APLIST 0xFF12
446 #define RID_DRVNAME 0xFF13
447 #define RID_ETHERENCAP 0xFF14
448 #define RID_WEP_TEMP 0xFF15
449 #define RID_WEP_PERM 0xFF16
450 #define RID_MODULATION 0xFF17
451 #define RID_OPTIONS 0xFF18
452 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453 #define RID_FACTORYCONFIG 0xFF21
454 #define RID_UNKNOWN22 0xFF22
455 #define RID_LEAPUSERNAME 0xFF23
456 #define RID_LEAPPASSWORD 0xFF24
457 #define RID_STATUS 0xFF50
458 #define RID_BEACON_HST 0xFF51
459 #define RID_BUSY_HST 0xFF52
460 #define RID_RETRIES_HST 0xFF53
461 #define RID_UNKNOWN54 0xFF54
462 #define RID_UNKNOWN55 0xFF55
463 #define RID_UNKNOWN56 0xFF56
464 #define RID_MIC 0xFF57
465 #define RID_STATS16 0xFF60
466 #define RID_STATS16DELTA 0xFF61
467 #define RID_STATS16DELTACLEAR 0xFF62
468 #define RID_STATS 0xFF68
469 #define RID_STATSDELTA 0xFF69
470 #define RID_STATSDELTACLEAR 0xFF6A
471 #define RID_ECHOTEST_RID 0xFF70
472 #define RID_ECHOTEST_RESULTS 0xFF71
473 #define RID_BSSLISTFIRST 0xFF72
474 #define RID_BSSLISTNEXT 0xFF73
491 * Rids and endian-ness: The Rids will always be in cpu endian, since
492 * this all the patches from the big-endian guys end up doing that.
493 * so all rid access should use the read/writeXXXRid routines.
496 /* This is redundant for x86 archs, but it seems necessary for ARM */
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
509 /* These structures are from the Aironet's PC4500 Developers Manual */
523 #define MOD_DEFAULT 0
529 u16 len; /* sizeof(ConfigRid) */
530 u16 opmode; /* operating mode */
531 #define MODE_STA_IBSS 0
532 #define MODE_STA_ESS 1
534 #define MODE_AP_RPTR 3
535 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
536 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
537 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
538 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
539 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
540 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
541 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
542 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
543 #define MODE_MIC (1<<15) /* enable MIC */
544 u16 rmode; /* receive mode */
545 #define RXMODE_BC_MC_ADDR 0
546 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
547 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
548 #define RXMODE_RFMON 3 /* wireless monitor mode */
549 #define RXMODE_RFMON_ANYBSS 4
550 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
551 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
552 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
555 u8 macAddr[ETH_ALEN];
559 u16 txLifetime; /* in kusec */
560 u16 rxLifetime; /* in kusec */
563 u16 u16deviceType; /* for overriding device type */
567 /*---------- Scanning/Associating ----------*/
569 #define SCANMODE_ACTIVE 0
570 #define SCANMODE_PASSIVE 1
571 #define SCANMODE_AIROSCAN 2
572 u16 probeDelay; /* in kusec */
573 u16 probeEnergyTimeout; /* in kusec */
574 u16 probeResponseTimeout;
575 u16 beaconListenTimeout;
579 #define AUTH_OPEN 0x1
580 #define AUTH_ENCRYPT 0x101
581 #define AUTH_SHAREDKEY 0x102
582 #define AUTH_ALLOW_UNENCRYPTED 0x200
583 u16 associationTimeout;
584 u16 specifiedApTimeout;
585 u16 offlineScanInterval;
586 u16 offlineScanDuration;
588 u16 maxBeaconLostTime;
590 #define DISABLE_REFRESH 0xFFFF
592 /*---------- Power save operation ----------*/
594 #define POWERSAVE_CAM 0
595 #define POWERSAVE_PSP 1
596 #define POWERSAVE_PSPCAM 2
599 u16 fastListenInterval;
603 /*---------- Ap/Ibss config items ----------*/
612 /*---------- Radio configuration ----------*/
614 #define RADIOTYPE_DEFAULT 0
615 #define RADIOTYPE_802_11 1
616 #define RADIOTYPE_LEGACY 2
620 #define TXPOWER_DEFAULT 0
622 #define RSSI_DEFAULT 0
624 #define PREAMBLE_AUTO 0
625 #define PREAMBLE_LONG 1
626 #define PREAMBLE_SHORT 2
630 /*---------- Aironet Extensions ----------*/
636 /*---------- Aironet Extensions ----------*/
638 #define MAGIC_ACTION_STSCHG 1
639 #define MAGIC_ACTION_RESUME 2
640 #define MAGIC_IGNORE_MCAST (1<<8)
641 #define MAGIC_IGNORE_BCAST (1<<9)
642 #define MAGIC_SWITCH_TO_PSP (0<<10)
643 #define MAGIC_STAY_IN_CAM (1<<10)
657 u8 bssid[4][ETH_ALEN];
671 u16 normalizedSignalStrength;
674 u8 noisePercent; /* Noise percent in last second */
675 u8 noisedBm; /* Noise dBm in last second */
676 u8 noiseAvePercent; /* Noise percent in last minute */
677 u8 noiseAvedBm; /* Noise dBm in last minute */
678 u8 noiseMaxPercent; /* Highest noise percent in last minute */
679 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
683 #define STAT_NOPACKETS 0
684 #define STAT_NOCARRIERSET 10
685 #define STAT_GOTCARRIERSET 11
686 #define STAT_WRONGSSID 20
687 #define STAT_BADCHANNEL 25
688 #define STAT_BADBITRATES 30
689 #define STAT_BADPRIVACY 35
690 #define STAT_APFOUND 40
691 #define STAT_APREJECTED 50
692 #define STAT_AUTHENTICATING 60
693 #define STAT_DEAUTHENTICATED 61
694 #define STAT_AUTHTIMEOUT 62
695 #define STAT_ASSOCIATING 70
696 #define STAT_DEASSOCIATED 71
697 #define STAT_ASSOCTIMEOUT 72
698 #define STAT_NOTAIROAP 73
699 #define STAT_ASSOCIATED 80
700 #define STAT_LEAPING 90
701 #define STAT_LEAPFAILED 91
702 #define STAT_LEAPTIMEDOUT 92
703 #define STAT_LEAPCOMPLETE 93
726 char factoryAddr[ETH_ALEN];
727 char aironetAddr[ETH_ALEN];
730 char callid[ETH_ALEN];
731 char supportedRates[8];
734 u16 txPowerLevels[8];
749 u16 index; /* First is 0 and 0xffff means end of list */
750 #define RADIO_FH 1 /* Frequency hopping radio type */
751 #define RADIO_DS 2 /* Direct sequence radio type */
752 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
754 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
759 #define CAP_ESS (1<<0)
760 #define CAP_IBSS (1<<1)
761 #define CAP_PRIVACY (1<<4)
762 #define CAP_SHORTHDR (1<<5)
765 u8 rates[8]; /* Same as rates for config rid */
766 struct { /* For frequency hopping only */
820 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
821 #define TXCTL_TXEX (1<<2) /* report if tx fails */
822 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
823 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
824 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
825 #define TXCTL_LLC (1<<4) /* payload is llc */
826 #define TXCTL_RELEASE (0<<5) /* release after completion */
827 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
829 #define BUSY_FID 0x10000
832 #define AIROMAGIC 0xa55a
833 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
834 #ifdef SIOCIWFIRSTPRIV
835 #ifdef SIOCDEVPRIVATE
836 #define AIROOLDIOCTL SIOCDEVPRIVATE
837 #define AIROOLDIDIFC AIROOLDIOCTL + 1
838 #endif /* SIOCDEVPRIVATE */
839 #else /* SIOCIWFIRSTPRIV */
840 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
841 #endif /* SIOCIWFIRSTPRIV */
842 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
843 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
844 * only and don't return the modified struct ifreq to the application which
845 * is usually a problem. - Jean II */
846 #define AIROIOCTL SIOCIWFIRSTPRIV
847 #define AIROIDIFC AIROIOCTL + 1
849 /* Ioctl constants to be used in airo_ioctl.command */
851 #define AIROGCAP 0 // Capability rid
852 #define AIROGCFG 1 // USED A LOT
853 #define AIROGSLIST 2 // System ID list
854 #define AIROGVLIST 3 // List of specified AP's
855 #define AIROGDRVNAM 4 // NOTUSED
856 #define AIROGEHTENC 5 // NOTUSED
857 #define AIROGWEPKTMP 6
858 #define AIROGWEPKNV 7
860 #define AIROGSTATSC32 9
861 #define AIROGSTATSD32 10
862 #define AIROGMICRID 11
863 #define AIROGMICSTATS 12
864 #define AIROGFLAGS 13
867 #define AIRORSWVERSION 17
869 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
871 #define AIROPCAP AIROGSTATSD32 + 40
872 #define AIROPVLIST AIROPCAP + 1
873 #define AIROPSLIST AIROPVLIST + 1
874 #define AIROPCFG AIROPSLIST + 1
875 #define AIROPSIDS AIROPCFG + 1
876 #define AIROPAPLIST AIROPSIDS + 1
877 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
878 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
879 #define AIROPSTCLR AIROPMACOFF + 1
880 #define AIROPWEPKEY AIROPSTCLR + 1
881 #define AIROPWEPKEYNV AIROPWEPKEY + 1
882 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
883 #define AIROPLEAPUSR AIROPLEAPPWD + 1
887 #define AIROFLSHRST AIROPWEPKEYNV + 40
888 #define AIROFLSHGCHR AIROFLSHRST + 1
889 #define AIROFLSHSTFL AIROFLSHGCHR + 1
890 #define AIROFLSHPCHR AIROFLSHSTFL + 1
891 #define AIROFLPUTBUF AIROFLSHPCHR + 1
892 #define AIRORESTART AIROFLPUTBUF + 1
894 #define FLASHSIZE 32768
895 #define AUXMEMSIZE (256 * 1024)
897 typedef struct aironet_ioctl {
898 unsigned short command; // What to do
899 unsigned short len; // Len of data
900 unsigned short ridnum; // rid number
901 unsigned char __user *data; // d-data
904 static char swversion[] = "2.1";
905 #endif /* CISCO_EXT */
907 #define NUM_MODULES 2
908 #define MIC_MSGLEN_MAX 2400
909 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
913 u8 enabled; // MIC enabled or not
914 u32 rxSuccess; // successful packets received
915 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
916 u32 rxNotMICed; // pkts dropped due to not being MIC'd
917 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
918 u32 rxWrongSequence; // pkts dropped due to sequence number violation
923 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
924 u64 accum; // accumulated mic, reduced to u32 in final()
925 int position; // current position (byte offset) in message
929 } part; // saves partial message word across update() calls
933 emmh32_context seed; // Context - the seed
934 u32 rx; // Received sequence number
935 u32 tx; // Tx sequence number
936 u32 window; // Start of window
937 u8 valid; // Flag to say if context is valid or not
942 miccntx mCtx; // Multicast context
943 miccntx uCtx; // Unicast context
947 unsigned int rid: 16;
948 unsigned int len: 15;
949 unsigned int valid: 1;
950 dma_addr_t host_addr;
954 unsigned int offset: 15;
956 unsigned int len: 15;
957 unsigned int valid: 1;
958 dma_addr_t host_addr;
962 unsigned int ctl: 15;
964 unsigned int len: 15;
965 unsigned int valid: 1;
966 dma_addr_t host_addr;
970 * Host receive descriptor
973 unsigned char __iomem *card_ram_off; /* offset into card memory of the
975 RxFid rx_desc; /* card receive descriptor */
976 char *virtual_host_addr; /* virtual address of host receive
982 * Host transmit descriptor
985 unsigned char __iomem *card_ram_off; /* offset into card memory of the
987 TxFid tx_desc; /* card transmit descriptor */
988 char *virtual_host_addr; /* virtual address of host receive
994 * Host RID descriptor
997 unsigned char __iomem *card_ram_off; /* offset into card memory of the
999 Rid rid_desc; /* card RID descriptor */
1000 char *virtual_host_addr; /* virtual address of host receive
1009 #define HOST_SET (1 << 0)
1010 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1011 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1012 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1013 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1014 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1015 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1016 #define HOST_RTS (1 << 9) /* Force RTS use */
1017 #define HOST_SHORT (1 << 10) /* Do short preamble */
1044 static WifiCtlHdr wifictlhdr8023 = {
1046 .ctl = HOST_DONT_RLSE,
1050 // Frequency list (map channels to frequencies)
1051 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1052 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1054 // A few details needed for WEP (Wireless Equivalent Privacy)
1055 #define MAX_KEY_SIZE 13 // 128 (?) bits
1056 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1057 typedef struct wep_key_t {
1059 u8 key[16]; /* 40-bit and 104-bit keys */
1062 /* Backward compatibility */
1063 #ifndef IW_ENCODE_NOKEY
1064 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1065 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1066 #endif /* IW_ENCODE_NOKEY */
1068 /* List of Wireless Handlers (new API) */
1069 static const struct iw_handler_def airo_handler_def;
1071 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1075 static int get_dec_u16( char *buffer, int *start, int limit );
1076 static void OUT4500( struct airo_info *, u16 register, u16 value );
1077 static unsigned short IN4500( struct airo_info *, u16 register );
1078 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1079 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1080 static void disable_MAC(struct airo_info *ai, int lock);
1081 static void enable_interrupts(struct airo_info*);
1082 static void disable_interrupts(struct airo_info*);
1083 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1084 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1085 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1087 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1089 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1091 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1092 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1093 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1094 *pBuf, int len, int lock);
1095 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1096 int len, int dummy );
1097 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1098 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1099 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1101 static int mpi_send_packet (struct net_device *dev);
1102 static void mpi_unmap_card(struct pci_dev *pci);
1103 static void mpi_receive_802_3(struct airo_info *ai);
1104 static void mpi_receive_802_11(struct airo_info *ai);
1105 static int waitbusy (struct airo_info *ai);
1107 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1109 static int airo_thread(void *data);
1110 static void timer_func( struct net_device *dev );
1111 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1112 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1113 static void airo_read_wireless_stats (struct airo_info *local);
1115 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1116 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1117 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1118 #endif /* CISCO_EXT */
1120 static void micinit(struct airo_info *ai);
1121 static int micsetup(struct airo_info *ai);
1122 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1123 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1125 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1126 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1128 #include <linux/crypto.h>
1132 struct net_device_stats stats;
1133 struct net_device *dev;
1134 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1135 use the high bit to mark whether it is in use. */
1137 #define MPI_MAX_FIDS 1
1140 char keyindex; // Used with auto wep
1141 char defindex; // Used with auto wep
1142 struct proc_dir_entry *proc_entry;
1143 spinlock_t aux_lock;
1144 unsigned long flags;
1145 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1146 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1147 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1148 #define FLAG_RADIO_MASK 0x03
1149 #define FLAG_ENABLED 2
1150 #define FLAG_ADHOC 3 /* Needed by MIC */
1151 #define FLAG_MIC_CAPABLE 4
1152 #define FLAG_UPDATE_MULTI 5
1153 #define FLAG_UPDATE_UNI 6
1154 #define FLAG_802_11 7
1155 #define FLAG_PENDING_XMIT 9
1156 #define FLAG_PENDING_XMIT11 10
1158 #define FLAG_REGISTERED 12
1159 #define FLAG_COMMIT 13
1160 #define FLAG_RESET 14
1161 #define FLAG_FLASHING 15
1162 #define JOB_MASK 0x1ff0000
1165 #define JOB_XMIT11 18
1166 #define JOB_STATS 19
1167 #define JOB_PROMISC 20
1169 #define JOB_EVENT 22
1170 #define JOB_AUTOWEP 23
1171 #define JOB_WSTATS 24
1172 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1174 unsigned short *flash;
1176 struct task_struct *task;
1177 struct semaphore sem;
1179 wait_queue_head_t thr_wait;
1180 struct completion thr_exited;
1181 unsigned long expires;
1183 struct sk_buff *skb;
1186 struct net_device *wifidev;
1187 struct iw_statistics wstats; // wireless stats
1188 unsigned long scan_timestamp; /* Time started to scan */
1189 struct iw_spy_data spy_data;
1190 struct iw_public_data wireless_data;
1193 struct crypto_tfm *tfm;
1195 mic_statistics micstats;
1197 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1198 HostTxDesc txfids[MPI_MAX_FIDS];
1199 HostRidDesc config_desc;
1200 unsigned long ridbus; // phys addr of config_desc
1201 struct sk_buff_head txq;// tx queue used by mpi350 code
1202 struct pci_dev *pci;
1203 unsigned char __iomem *pcimem;
1204 unsigned char __iomem *pciaux;
1205 unsigned char *shared;
1206 dma_addr_t shared_dma;
1210 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1211 char proc_name[IFNAMSIZ];
1214 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1216 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1219 static int setup_proc_entry( struct net_device *dev,
1220 struct airo_info *apriv );
1221 static int takedown_proc_entry( struct net_device *dev,
1222 struct airo_info *apriv );
1224 static int cmdreset(struct airo_info *ai);
1225 static int setflashmode (struct airo_info *ai);
1226 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1227 static int flashputbuf(struct airo_info *ai);
1228 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1231 /***********************************************************************
1233 ***********************************************************************
1236 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1237 static void MoveWindow(miccntx *context, u32 micSeq);
1238 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1239 static void emmh32_init(emmh32_context *context);
1240 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1241 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1242 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1244 /* micinit - Initialize mic seed */
1246 static void micinit(struct airo_info *ai)
1250 clear_bit(JOB_MIC, &ai->flags);
1251 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1254 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1256 if (ai->micstats.enabled) {
1257 /* Key must be valid and different */
1258 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1259 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1260 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1261 /* Age current mic Context */
1262 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1263 /* Initialize new context */
1264 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1265 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1266 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1267 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1268 ai->mod[0].mCtx.valid = 1; //Key is now valid
1270 /* Give key to mic seed */
1271 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1274 /* Key must be valid and different */
1275 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1276 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1277 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1278 /* Age current mic Context */
1279 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1280 /* Initialize new context */
1281 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1283 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1284 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1285 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1286 ai->mod[0].uCtx.valid = 1; //Key is now valid
1288 //Give key to mic seed
1289 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1292 /* So next time we have a valid key and mic is enabled, we will update
1293 * the sequence number if the key is the same as before.
1295 ai->mod[0].uCtx.valid = 0;
1296 ai->mod[0].mCtx.valid = 0;
1300 /* micsetup - Get ready for business */
1302 static int micsetup(struct airo_info *ai) {
1305 if (ai->tfm == NULL)
1306 ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP);
1308 if (ai->tfm == NULL) {
1309 printk(KERN_ERR "airo: failed to load transform for AES\n");
1313 for (i=0; i < NUM_MODULES; i++) {
1314 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1315 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1320 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1322 /*===========================================================================
1323 * Description: Mic a packet
1325 * Inputs: etherHead * pointer to an 802.3 frame
1327 * Returns: BOOLEAN if successful, otherwise false.
1328 * PacketTxLen will be updated with the mic'd packets size.
1330 * Caveats: It is assumed that the frame buffer will already
1331 * be big enough to hold the largets mic message possible.
1332 * (No memory allocation is done here).
1334 * Author: sbraneky (10/15/01)
1335 * Merciless hacks by rwilcher (1/14/02)
1338 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1342 // Determine correct context
1343 // If not adhoc, always use unicast key
1345 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1346 context = &ai->mod[0].mCtx;
1348 context = &ai->mod[0].uCtx;
1350 if (!context->valid)
1353 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1355 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1358 mic->seq = htonl(context->tx);
1361 emmh32_init(&context->seed); // Mic the packet
1362 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1363 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1364 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1365 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1366 emmh32_final(&context->seed, (u8*)&mic->mic);
1368 /* New Type/length ?????????? */
1369 mic->typelen = 0; //Let NIC know it could be an oversized packet
1381 /*===========================================================================
1382 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1383 * (removes the MIC stuff) if packet is a valid packet.
1385 * Inputs: etherHead pointer to the 802.3 packet
1387 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1389 * Author: sbraneky (10/15/01)
1390 * Merciless hacks by rwilcher (1/14/02)
1391 *---------------------------------------------------------------------------
1394 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1400 mic_error micError = NONE;
1402 // Check if the packet is a Mic'd packet
1404 if (!ai->micstats.enabled) {
1405 //No Mic set or Mic OFF but we received a MIC'd packet.
1406 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1407 ai->micstats.rxMICPlummed++;
1413 if (ntohs(mic->typelen) == 0x888E)
1416 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1417 // Mic enabled but packet isn't Mic'd
1418 ai->micstats.rxMICPlummed++;
1422 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1424 //At this point we a have a mic'd packet and mic is enabled
1425 //Now do the mic error checking.
1427 //Receive seq must be odd
1428 if ( (micSEQ & 1) == 0 ) {
1429 ai->micstats.rxWrongSequence++;
1433 for (i = 0; i < NUM_MODULES; i++) {
1434 int mcast = eth->da[0] & 1;
1435 //Determine proper context
1436 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1438 //Make sure context is valid
1439 if (!context->valid) {
1441 micError = NOMICPLUMMED;
1447 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1449 emmh32_init(&context->seed);
1450 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1451 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1452 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1453 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1455 emmh32_final(&context->seed, digest);
1457 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1460 micError = INCORRECTMIC;
1464 //Check Sequence number if mics pass
1465 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1466 ai->micstats.rxSuccess++;
1470 micError = SEQUENCE;
1473 // Update statistics
1475 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1476 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1477 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1484 /*===========================================================================
1485 * Description: Checks the Rx Seq number to make sure it is valid
1486 * and hasn't already been received
1488 * Inputs: miccntx - mic context to check seq against
1489 * micSeq - the Mic seq number
1491 * Returns: TRUE if valid otherwise FALSE.
1493 * Author: sbraneky (10/15/01)
1494 * Merciless hacks by rwilcher (1/14/02)
1495 *---------------------------------------------------------------------------
1498 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1502 //Allow for the ap being rebooted - if it is then use the next
1503 //sequence number of the current sequence number - might go backwards
1506 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1507 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1508 context->window = (micSeq > 33) ? micSeq : 33;
1509 context->rx = 0; // Reset rx
1511 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1512 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1513 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1514 context->rx = 0; // Reset rx
1517 //Make sequence number relative to START of window
1518 seq = micSeq - (context->window - 33);
1520 //Too old of a SEQ number to check.
1525 //Window is infinite forward
1526 MoveWindow(context,micSeq);
1530 // We are in the window. Now check the context rx bit to see if it was already sent
1531 seq >>= 1; //divide by 2 because we only have odd numbers
1532 index = 1 << seq; //Get an index number
1534 if (!(context->rx & index)) {
1535 //micSEQ falls inside the window.
1536 //Add seqence number to the list of received numbers.
1537 context->rx |= index;
1539 MoveWindow(context,micSeq);
1546 static void MoveWindow(miccntx *context, u32 micSeq)
1550 //Move window if seq greater than the middle of the window
1551 if (micSeq > context->window) {
1552 shift = (micSeq - context->window) >> 1;
1556 context->rx >>= shift;
1560 context->window = micSeq; //Move window
1564 /*==============================================*/
1565 /*========== EMMH ROUTINES ====================*/
1566 /*==============================================*/
1568 /* mic accumulate */
1569 #define MIC_ACCUM(val) \
1570 context->accum += (u64)(val) * context->coeff[coeff_position++];
1572 static unsigned char aes_counter[16];
1574 /* expand the key to fill the MMH coefficient array */
1575 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1577 /* take the keying material, expand if necessary, truncate at 16-bytes */
1578 /* run through AES counter mode to generate context->coeff[] */
1582 u8 *cipher, plain[16];
1583 struct scatterlist sg[1];
1585 crypto_cipher_setkey(tfm, pkey, 16);
1587 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1588 aes_counter[15] = (u8)(counter >> 0);
1589 aes_counter[14] = (u8)(counter >> 8);
1590 aes_counter[13] = (u8)(counter >> 16);
1591 aes_counter[12] = (u8)(counter >> 24);
1593 memcpy (plain, aes_counter, 16);
1594 sg_set_buf(sg, plain, 16);
1595 crypto_cipher_encrypt(tfm, sg, sg, 16);
1596 cipher = kmap(sg->page) + sg->offset;
1597 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1598 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1604 /* prepare for calculation of a new mic */
1605 static void emmh32_init(emmh32_context *context)
1607 /* prepare for new mic calculation */
1609 context->position = 0;
1612 /* add some bytes to the mic calculation */
1613 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1615 int coeff_position, byte_position;
1617 if (len == 0) return;
1619 coeff_position = context->position >> 2;
1621 /* deal with partial 32-bit word left over from last update */
1622 byte_position = context->position & 3;
1623 if (byte_position) {
1624 /* have a partial word in part to deal with */
1626 if (len == 0) return;
1627 context->part.d8[byte_position++] = *pOctets++;
1628 context->position++;
1630 } while (byte_position < 4);
1631 MIC_ACCUM(htonl(context->part.d32));
1634 /* deal with full 32-bit words */
1636 MIC_ACCUM(htonl(*(u32 *)pOctets));
1637 context->position += 4;
1642 /* deal with partial 32-bit word that will be left over from this update */
1645 context->part.d8[byte_position++] = *pOctets++;
1646 context->position++;
1651 /* mask used to zero empty bytes for final partial word */
1652 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1654 /* calculate the mic */
1655 static void emmh32_final(emmh32_context *context, u8 digest[4])
1657 int coeff_position, byte_position;
1663 coeff_position = context->position >> 2;
1665 /* deal with partial 32-bit word left over from last update */
1666 byte_position = context->position & 3;
1667 if (byte_position) {
1668 /* have a partial word in part to deal with */
1669 val = htonl(context->part.d32);
1670 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1673 /* reduce the accumulated u64 to a 32-bit MIC */
1674 sum = context->accum;
1675 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1676 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1677 sum = utmp & 0xffffffffLL;
1678 if (utmp > 0x10000000fLL)
1682 digest[0] = (val>>24) & 0xFF;
1683 digest[1] = (val>>16) & 0xFF;
1684 digest[2] = (val>>8) & 0xFF;
1685 digest[3] = val & 0xFF;
1689 static int readBSSListRid(struct airo_info *ai, int first,
1696 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1697 memset(&cmd, 0, sizeof(cmd));
1698 cmd.cmd=CMD_LISTBSS;
1699 if (down_interruptible(&ai->sem))
1700 return -ERESTARTSYS;
1701 issuecommand(ai, &cmd, &rsp);
1703 /* Let the command take effect */
1708 rc = PC4500_readrid(ai, first ? RID_BSSLISTFIRST : RID_BSSLISTNEXT,
1709 list, sizeof(*list), 1);
1711 list->len = le16_to_cpu(list->len);
1712 list->index = le16_to_cpu(list->index);
1713 list->radioType = le16_to_cpu(list->radioType);
1714 list->cap = le16_to_cpu(list->cap);
1715 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1716 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1717 list->dsChannel = le16_to_cpu(list->dsChannel);
1718 list->atimWindow = le16_to_cpu(list->atimWindow);
1719 list->dBm = le16_to_cpu(list->dBm);
1723 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1724 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1725 wkr, sizeof(*wkr), lock);
1727 wkr->len = le16_to_cpu(wkr->len);
1728 wkr->kindex = le16_to_cpu(wkr->kindex);
1729 wkr->klen = le16_to_cpu(wkr->klen);
1732 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1733 * the originals when we endian them... */
1734 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1736 WepKeyRid wkr = *pwkr;
1738 wkr.len = cpu_to_le16(wkr.len);
1739 wkr.kindex = cpu_to_le16(wkr.kindex);
1740 wkr.klen = cpu_to_le16(wkr.klen);
1741 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1742 if (rc!=SUCCESS) printk(KERN_ERR "airo: WEP_TEMP set %x\n", rc);
1744 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1746 printk(KERN_ERR "airo: WEP_PERM set %x\n", rc);
1752 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1754 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1756 ssidr->len = le16_to_cpu(ssidr->len);
1757 for(i = 0; i < 3; i++) {
1758 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1762 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1765 SsidRid ssidr = *pssidr;
1767 ssidr.len = cpu_to_le16(ssidr.len);
1768 for(i = 0; i < 3; i++) {
1769 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1771 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1774 static int readConfigRid(struct airo_info*ai, int lock) {
1782 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1786 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1788 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1789 *s = le16_to_cpu(*s);
1791 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1792 *s = le16_to_cpu(*s);
1794 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1795 *s = cpu_to_le16(*s);
1797 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1798 *s = cpu_to_le16(*s);
1803 static inline void checkThrottle(struct airo_info *ai) {
1805 /* Old hardware had a limit on encryption speed */
1806 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1807 for(i=0; i<8; i++) {
1808 if (ai->config.rates[i] > maxencrypt) {
1809 ai->config.rates[i] = 0;
1814 static int writeConfigRid(struct airo_info*ai, int lock) {
1818 if (!test_bit (FLAG_COMMIT, &ai->flags))
1821 clear_bit (FLAG_COMMIT, &ai->flags);
1822 clear_bit (FLAG_RESET, &ai->flags);
1826 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1827 set_bit(FLAG_ADHOC, &ai->flags);
1829 clear_bit(FLAG_ADHOC, &ai->flags);
1831 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1833 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1834 *s = cpu_to_le16(*s);
1836 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1837 *s = cpu_to_le16(*s);
1839 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1840 *s = cpu_to_le16(*s);
1842 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1843 *s = cpu_to_le16(*s);
1845 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1847 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1848 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1851 statr->len = le16_to_cpu(statr->len);
1852 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1854 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1855 *s = le16_to_cpu(*s);
1856 statr->load = le16_to_cpu(statr->load);
1857 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1860 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1861 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1862 aplr->len = le16_to_cpu(aplr->len);
1865 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1867 aplr->len = cpu_to_le16(aplr->len);
1868 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1871 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1872 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1875 capr->len = le16_to_cpu(capr->len);
1876 capr->prodNum = le16_to_cpu(capr->prodNum);
1877 capr->radioType = le16_to_cpu(capr->radioType);
1878 capr->country = le16_to_cpu(capr->country);
1879 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1880 *s = le16_to_cpu(*s);
1883 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1884 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1887 sr->len = le16_to_cpu(sr->len);
1888 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1892 static int airo_open(struct net_device *dev) {
1893 struct airo_info *info = dev->priv;
1896 if (test_bit(FLAG_FLASHING, &info->flags))
1899 /* Make sure the card is configured.
1900 * Wireless Extensions may postpone config changes until the card
1901 * is open (to pipeline changes and speed-up card setup). If
1902 * those changes are not yet commited, do it now - Jean II */
1903 if (test_bit (FLAG_COMMIT, &info->flags)) {
1904 disable_MAC(info, 1);
1905 writeConfigRid(info, 1);
1908 if (info->wifidev != dev) {
1909 /* Power on the MAC controller (which may have been disabled) */
1910 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1911 enable_interrupts(info);
1913 enable_MAC(info, &rsp, 1);
1915 netif_start_queue(dev);
1919 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1920 int npacks, pending;
1921 unsigned long flags;
1922 struct airo_info *ai = dev->priv;
1925 printk(KERN_ERR "airo: %s: skb==NULL\n",__FUNCTION__);
1928 npacks = skb_queue_len (&ai->txq);
1930 if (npacks >= MAXTXQ - 1) {
1931 netif_stop_queue (dev);
1932 if (npacks > MAXTXQ) {
1933 ai->stats.tx_fifo_errors++;
1936 skb_queue_tail (&ai->txq, skb);
1940 spin_lock_irqsave(&ai->aux_lock, flags);
1941 skb_queue_tail (&ai->txq, skb);
1942 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1943 spin_unlock_irqrestore(&ai->aux_lock,flags);
1944 netif_wake_queue (dev);
1947 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1948 mpi_send_packet (dev);
1956 * Attempt to transmit a packet. Can be called from interrupt
1957 * or transmit . return number of packets we tried to send
1960 static int mpi_send_packet (struct net_device *dev)
1962 struct sk_buff *skb;
1963 unsigned char *buffer;
1964 s16 len, *payloadLen;
1965 struct airo_info *ai = dev->priv;
1968 /* get a packet to send */
1970 if ((skb = skb_dequeue(&ai->txq)) == 0) {
1972 "airo: %s: Dequeue'd zero in send_packet()\n",
1977 /* check min length*/
1978 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1981 ai->txfids[0].tx_desc.offset = 0;
1982 ai->txfids[0].tx_desc.valid = 1;
1983 ai->txfids[0].tx_desc.eoc = 1;
1984 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1987 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1988 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1989 * is immediatly after it. ------------------------------------------------
1990 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1991 * ------------------------------------------------
1994 memcpy((char *)ai->txfids[0].virtual_host_addr,
1995 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
1997 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
1998 sizeof(wifictlhdr8023));
1999 sendbuf = ai->txfids[0].virtual_host_addr +
2000 sizeof(wifictlhdr8023) + 2 ;
2003 * Firmware automaticly puts 802 header on so
2004 * we don't need to account for it in the length
2007 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2008 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2011 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2014 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2015 ai->txfids[0].tx_desc.len += sizeof(pMic);
2016 /* copy data into airo dma buffer */
2017 memcpy (sendbuf, buffer, sizeof(etherHead));
2018 buffer += sizeof(etherHead);
2019 sendbuf += sizeof(etherHead);
2020 memcpy (sendbuf, &pMic, sizeof(pMic));
2021 sendbuf += sizeof(pMic);
2022 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2026 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2028 dev->trans_start = jiffies;
2030 /* copy data into airo dma buffer */
2031 memcpy(sendbuf, buffer, len);
2034 memcpy_toio(ai->txfids[0].card_ram_off,
2035 &ai->txfids[0].tx_desc, sizeof(TxFid));
2037 OUT4500(ai, EVACK, 8);
2039 dev_kfree_skb_any(skb);
2043 static void get_tx_error(struct airo_info *ai, u32 fid)
2048 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2050 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2052 bap_read(ai, &status, 2, BAP0);
2054 if (le16_to_cpu(status) & 2) /* Too many retries */
2055 ai->stats.tx_aborted_errors++;
2056 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2057 ai->stats.tx_heartbeat_errors++;
2058 if (le16_to_cpu(status) & 8) /* Aid fail */
2060 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2061 ai->stats.tx_carrier_errors++;
2062 if (le16_to_cpu(status) & 0x20) /* Association lost */
2064 /* We produce a TXDROP event only for retry or lifetime
2065 * exceeded, because that's the only status that really mean
2066 * that this particular node went away.
2067 * Other errors means that *we* screwed up. - Jean II */
2068 if ((le16_to_cpu(status) & 2) ||
2069 (le16_to_cpu(status) & 4)) {
2070 union iwreq_data wrqu;
2073 /* Faster to skip over useless data than to do
2074 * another bap_setup(). We are at offset 0x6 and
2075 * need to go to 0x18 and read 6 bytes - Jean II */
2076 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2078 /* Copy 802.11 dest address.
2079 * We use the 802.11 header because the frame may
2080 * not be 802.3 or may be mangled...
2081 * In Ad-Hoc mode, it will be the node address.
2082 * In managed mode, it will be most likely the AP addr
2083 * User space will figure out how to convert it to
2084 * whatever it needs (IP address or else).
2086 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2087 wrqu.addr.sa_family = ARPHRD_ETHER;
2089 /* Send event to user space */
2090 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2094 static void airo_end_xmit(struct net_device *dev) {
2097 struct airo_info *priv = dev->priv;
2098 struct sk_buff *skb = priv->xmit.skb;
2099 int fid = priv->xmit.fid;
2100 u32 *fids = priv->fids;
2102 clear_bit(JOB_XMIT, &priv->flags);
2103 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2104 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2108 if ( status == SUCCESS ) {
2109 dev->trans_start = jiffies;
2110 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2112 priv->fids[fid] &= 0xffff;
2113 priv->stats.tx_window_errors++;
2115 if (i < MAX_FIDS / 2)
2116 netif_wake_queue(dev);
2120 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2123 struct airo_info *priv = dev->priv;
2124 u32 *fids = priv->fids;
2126 if ( skb == NULL ) {
2127 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2131 /* Find a vacant FID */
2132 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2133 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2135 if ( j >= MAX_FIDS / 2 ) {
2136 netif_stop_queue(dev);
2138 if (i == MAX_FIDS / 2) {
2139 priv->stats.tx_fifo_errors++;
2143 /* check min length*/
2144 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2145 /* Mark fid as used & save length for later */
2146 fids[i] |= (len << 16);
2147 priv->xmit.skb = skb;
2149 if (down_trylock(&priv->sem) != 0) {
2150 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2151 netif_stop_queue(dev);
2152 set_bit(JOB_XMIT, &priv->flags);
2153 wake_up_interruptible(&priv->thr_wait);
2159 static void airo_end_xmit11(struct net_device *dev) {
2162 struct airo_info *priv = dev->priv;
2163 struct sk_buff *skb = priv->xmit11.skb;
2164 int fid = priv->xmit11.fid;
2165 u32 *fids = priv->fids;
2167 clear_bit(JOB_XMIT11, &priv->flags);
2168 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2169 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2173 if ( status == SUCCESS ) {
2174 dev->trans_start = jiffies;
2175 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2177 priv->fids[fid] &= 0xffff;
2178 priv->stats.tx_window_errors++;
2181 netif_wake_queue(dev);
2185 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2188 struct airo_info *priv = dev->priv;
2189 u32 *fids = priv->fids;
2191 if (test_bit(FLAG_MPI, &priv->flags)) {
2192 /* Not implemented yet for MPI350 */
2193 netif_stop_queue(dev);
2197 if ( skb == NULL ) {
2198 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2202 /* Find a vacant FID */
2203 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2204 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2206 if ( j >= MAX_FIDS ) {
2207 netif_stop_queue(dev);
2209 if (i == MAX_FIDS) {
2210 priv->stats.tx_fifo_errors++;
2214 /* check min length*/
2215 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2216 /* Mark fid as used & save length for later */
2217 fids[i] |= (len << 16);
2218 priv->xmit11.skb = skb;
2219 priv->xmit11.fid = i;
2220 if (down_trylock(&priv->sem) != 0) {
2221 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2222 netif_stop_queue(dev);
2223 set_bit(JOB_XMIT11, &priv->flags);
2224 wake_up_interruptible(&priv->thr_wait);
2226 airo_end_xmit11(dev);
2230 static void airo_read_stats(struct airo_info *ai) {
2232 u32 *vals = stats_rid.vals;
2234 clear_bit(JOB_STATS, &ai->flags);
2235 if (ai->power.event) {
2239 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2242 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2243 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2244 ai->stats.rx_bytes = vals[92];
2245 ai->stats.tx_bytes = vals[91];
2246 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2247 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2248 ai->stats.multicast = vals[43];
2249 ai->stats.collisions = vals[89];
2251 /* detailed rx_errors: */
2252 ai->stats.rx_length_errors = vals[3];
2253 ai->stats.rx_crc_errors = vals[4];
2254 ai->stats.rx_frame_errors = vals[2];
2255 ai->stats.rx_fifo_errors = vals[0];
2258 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2260 struct airo_info *local = dev->priv;
2262 if (!test_bit(JOB_STATS, &local->flags)) {
2263 /* Get stats out of the card if available */
2264 if (down_trylock(&local->sem) != 0) {
2265 set_bit(JOB_STATS, &local->flags);
2266 wake_up_interruptible(&local->thr_wait);
2268 airo_read_stats(local);
2271 return &local->stats;
2274 static void airo_set_promisc(struct airo_info *ai) {
2278 memset(&cmd, 0, sizeof(cmd));
2279 cmd.cmd=CMD_SETMODE;
2280 clear_bit(JOB_PROMISC, &ai->flags);
2281 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2282 issuecommand(ai, &cmd, &rsp);
2286 static void airo_set_multicast_list(struct net_device *dev) {
2287 struct airo_info *ai = dev->priv;
2289 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2290 change_bit(FLAG_PROMISC, &ai->flags);
2291 if (down_trylock(&ai->sem) != 0) {
2292 set_bit(JOB_PROMISC, &ai->flags);
2293 wake_up_interruptible(&ai->thr_wait);
2295 airo_set_promisc(ai);
2298 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2299 /* Turn on multicast. (Should be already setup...) */
2303 static int airo_set_mac_address(struct net_device *dev, void *p)
2305 struct airo_info *ai = dev->priv;
2306 struct sockaddr *addr = p;
2309 readConfigRid(ai, 1);
2310 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2311 set_bit (FLAG_COMMIT, &ai->flags);
2313 writeConfigRid (ai, 1);
2314 enable_MAC(ai, &rsp, 1);
2315 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2317 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2321 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2323 if ((new_mtu < 68) || (new_mtu > 2400))
2330 static int airo_close(struct net_device *dev) {
2331 struct airo_info *ai = dev->priv;
2333 netif_stop_queue(dev);
2335 if (ai->wifidev != dev) {
2336 #ifdef POWER_ON_DOWN
2337 /* Shut power to the card. The idea is that the user can save
2338 * power when he doesn't need the card with "ifconfig down".
2339 * That's the method that is most friendly towards the network
2340 * stack (i.e. the network stack won't try to broadcast
2341 * anything on the interface and routes are gone. Jean II */
2342 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2345 disable_interrupts( ai );
2350 static void del_airo_dev( struct net_device *dev );
2352 void stop_airo_card( struct net_device *dev, int freeres )
2354 struct airo_info *ai = dev->priv;
2356 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2358 disable_interrupts(ai);
2359 free_irq( dev->irq, dev );
2360 takedown_proc_entry( dev, ai );
2361 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2362 unregister_netdev( dev );
2364 unregister_netdev(ai->wifidev);
2365 free_netdev(ai->wifidev);
2368 clear_bit(FLAG_REGISTERED, &ai->flags);
2370 set_bit(JOB_DIE, &ai->flags);
2371 kill_proc(ai->thr_pid, SIGTERM, 1);
2372 wait_for_completion(&ai->thr_exited);
2375 * Clean out tx queue
2377 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2378 struct sk_buff *skb = NULL;
2379 for (;(skb = skb_dequeue(&ai->txq));)
2388 /* PCMCIA frees this stuff, so only for PCI and ISA */
2389 release_region( dev->base_addr, 64 );
2390 if (test_bit(FLAG_MPI, &ai->flags)) {
2392 mpi_unmap_card(ai->pci);
2394 iounmap(ai->pcimem);
2396 iounmap(ai->pciaux);
2397 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2398 ai->shared, ai->shared_dma);
2402 crypto_free_tfm(ai->tfm);
2404 del_airo_dev( dev );
2408 EXPORT_SYMBOL(stop_airo_card);
2410 static int add_airo_dev( struct net_device *dev );
2412 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2414 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2418 static void mpi_unmap_card(struct pci_dev *pci)
2420 unsigned long mem_start = pci_resource_start(pci, 1);
2421 unsigned long mem_len = pci_resource_len(pci, 1);
2422 unsigned long aux_start = pci_resource_start(pci, 2);
2423 unsigned long aux_len = AUXMEMSIZE;
2425 release_mem_region(aux_start, aux_len);
2426 release_mem_region(mem_start, mem_len);
2429 /*************************************************************
2430 * This routine assumes that descriptors have been setup .
2431 * Run at insmod time or after reset when the decriptors
2432 * have been initialized . Returns 0 if all is well nz
2433 * otherwise . Does not allocate memory but sets up card
2434 * using previously allocated descriptors.
2436 static int mpi_init_descriptors (struct airo_info *ai)
2443 /* Alloc card RX descriptors */
2444 netif_stop_queue(ai->dev);
2446 memset(&rsp,0,sizeof(rsp));
2447 memset(&cmd,0,sizeof(cmd));
2449 cmd.cmd = CMD_ALLOCATEAUX;
2451 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2452 cmd.parm2 = MPI_MAX_FIDS;
2453 rc=issuecommand(ai, &cmd, &rsp);
2454 if (rc != SUCCESS) {
2455 printk(KERN_ERR "airo: Couldn't allocate RX FID\n");
2459 for (i=0; i<MPI_MAX_FIDS; i++) {
2460 memcpy_toio(ai->rxfids[i].card_ram_off,
2461 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2464 /* Alloc card TX descriptors */
2466 memset(&rsp,0,sizeof(rsp));
2467 memset(&cmd,0,sizeof(cmd));
2469 cmd.cmd = CMD_ALLOCATEAUX;
2471 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2472 cmd.parm2 = MPI_MAX_FIDS;
2474 for (i=0; i<MPI_MAX_FIDS; i++) {
2475 ai->txfids[i].tx_desc.valid = 1;
2476 memcpy_toio(ai->txfids[i].card_ram_off,
2477 &ai->txfids[i].tx_desc, sizeof(TxFid));
2479 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2481 rc=issuecommand(ai, &cmd, &rsp);
2482 if (rc != SUCCESS) {
2483 printk(KERN_ERR "airo: Couldn't allocate TX FID\n");
2487 /* Alloc card Rid descriptor */
2488 memset(&rsp,0,sizeof(rsp));
2489 memset(&cmd,0,sizeof(cmd));
2491 cmd.cmd = CMD_ALLOCATEAUX;
2493 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2494 cmd.parm2 = 1; /* Magic number... */
2495 rc=issuecommand(ai, &cmd, &rsp);
2496 if (rc != SUCCESS) {
2497 printk(KERN_ERR "airo: Couldn't allocate RID\n");
2501 memcpy_toio(ai->config_desc.card_ram_off,
2502 &ai->config_desc.rid_desc, sizeof(Rid));
2508 * We are setting up three things here:
2509 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2510 * 2) Map PCI memory for issueing commands.
2511 * 3) Allocate memory (shared) to send and receive ethernet frames.
2513 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2516 unsigned long mem_start, mem_len, aux_start, aux_len;
2519 dma_addr_t busaddroff;
2520 unsigned char *vpackoff;
2521 unsigned char __iomem *pciaddroff;
2523 mem_start = pci_resource_start(pci, 1);
2524 mem_len = pci_resource_len(pci, 1);
2525 aux_start = pci_resource_start(pci, 2);
2526 aux_len = AUXMEMSIZE;
2528 if (!request_mem_region(mem_start, mem_len, name)) {
2529 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2530 (int)mem_start, (int)mem_len, name);
2533 if (!request_mem_region(aux_start, aux_len, name)) {
2534 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2535 (int)aux_start, (int)aux_len, name);
2539 ai->pcimem = ioremap(mem_start, mem_len);
2541 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2542 (int)mem_start, (int)mem_len, name);
2545 ai->pciaux = ioremap(aux_start, aux_len);
2547 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2548 (int)aux_start, (int)aux_len, name);
2552 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2553 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2555 printk(KERN_ERR "airo: Couldn't alloc_consistent %d\n",
2561 * Setup descriptor RX, TX, CONFIG
2563 busaddroff = ai->shared_dma;
2564 pciaddroff = ai->pciaux + AUX_OFFSET;
2565 vpackoff = ai->shared;
2567 /* RX descriptor setup */
2568 for(i = 0; i < MPI_MAX_FIDS; i++) {
2569 ai->rxfids[i].pending = 0;
2570 ai->rxfids[i].card_ram_off = pciaddroff;
2571 ai->rxfids[i].virtual_host_addr = vpackoff;
2572 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2573 ai->rxfids[i].rx_desc.valid = 1;
2574 ai->rxfids[i].rx_desc.len = PKTSIZE;
2575 ai->rxfids[i].rx_desc.rdy = 0;
2577 pciaddroff += sizeof(RxFid);
2578 busaddroff += PKTSIZE;
2579 vpackoff += PKTSIZE;
2582 /* TX descriptor setup */
2583 for(i = 0; i < MPI_MAX_FIDS; i++) {
2584 ai->txfids[i].card_ram_off = pciaddroff;
2585 ai->txfids[i].virtual_host_addr = vpackoff;
2586 ai->txfids[i].tx_desc.valid = 1;
2587 ai->txfids[i].tx_desc.host_addr = busaddroff;
2588 memcpy(ai->txfids[i].virtual_host_addr,
2589 &wifictlhdr8023, sizeof(wifictlhdr8023));
2591 pciaddroff += sizeof(TxFid);
2592 busaddroff += PKTSIZE;
2593 vpackoff += PKTSIZE;
2595 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2597 /* Rid descriptor setup */
2598 ai->config_desc.card_ram_off = pciaddroff;
2599 ai->config_desc.virtual_host_addr = vpackoff;
2600 ai->config_desc.rid_desc.host_addr = busaddroff;
2601 ai->ridbus = busaddroff;
2602 ai->config_desc.rid_desc.rid = 0;
2603 ai->config_desc.rid_desc.len = RIDSIZE;
2604 ai->config_desc.rid_desc.valid = 1;
2605 pciaddroff += sizeof(Rid);
2606 busaddroff += RIDSIZE;
2607 vpackoff += RIDSIZE;
2609 /* Tell card about descriptors */
2610 if (mpi_init_descriptors (ai) != SUCCESS)
2615 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2617 iounmap(ai->pciaux);
2619 iounmap(ai->pcimem);
2621 release_mem_region(aux_start, aux_len);
2623 release_mem_region(mem_start, mem_len);
2628 static void wifi_setup(struct net_device *dev)
2630 dev->hard_header = NULL;
2631 dev->rebuild_header = NULL;
2632 dev->hard_header_cache = NULL;
2633 dev->header_cache_update= NULL;
2635 dev->hard_header_parse = wll_header_parse;
2636 dev->hard_start_xmit = &airo_start_xmit11;
2637 dev->get_stats = &airo_get_stats;
2638 dev->set_mac_address = &airo_set_mac_address;
2639 dev->do_ioctl = &airo_ioctl;
2640 dev->wireless_handlers = &airo_handler_def;
2641 dev->change_mtu = &airo_change_mtu;
2642 dev->open = &airo_open;
2643 dev->stop = &airo_close;
2645 dev->type = ARPHRD_IEEE80211;
2646 dev->hard_header_len = ETH_HLEN;
2648 dev->addr_len = ETH_ALEN;
2649 dev->tx_queue_len = 100;
2651 memset(dev->broadcast,0xFF, ETH_ALEN);
2653 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2656 static struct net_device *init_wifidev(struct airo_info *ai,
2657 struct net_device *ethdev)
2660 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2663 dev->priv = ethdev->priv;
2664 dev->irq = ethdev->irq;
2665 dev->base_addr = ethdev->base_addr;
2666 dev->wireless_data = ethdev->wireless_data;
2667 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2668 err = register_netdev(dev);
2676 static int reset_card( struct net_device *dev , int lock) {
2677 struct airo_info *ai = dev->priv;
2679 if (lock && down_interruptible(&ai->sem))
2682 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2691 static struct net_device *_init_airo_card( unsigned short irq, int port,
2692 int is_pcmcia, struct pci_dev *pci,
2693 struct device *dmdev )
2695 struct net_device *dev;
2696 struct airo_info *ai;
2699 /* Create the network device object. */
2700 dev = alloc_etherdev(sizeof(*ai));
2702 printk(KERN_ERR "airo: Couldn't alloc_etherdev\n");
2705 if (dev_alloc_name(dev, dev->name) < 0) {
2706 printk(KERN_ERR "airo: Couldn't get name!\n");
2713 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2714 printk(KERN_DEBUG "airo: Found an MPI350 card\n");
2715 set_bit(FLAG_MPI, &ai->flags);
2718 spin_lock_init(&ai->aux_lock);
2719 sema_init(&ai->sem, 1);
2722 init_waitqueue_head (&ai->thr_wait);
2723 init_completion (&ai->thr_exited);
2724 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2725 if (ai->thr_pid < 0)
2730 rc = add_airo_dev( dev );
2734 /* The Airo-specific entries in the device structure. */
2735 if (test_bit(FLAG_MPI,&ai->flags)) {
2736 skb_queue_head_init (&ai->txq);
2737 dev->hard_start_xmit = &mpi_start_xmit;
2739 dev->hard_start_xmit = &airo_start_xmit;
2740 dev->get_stats = &airo_get_stats;
2741 dev->set_multicast_list = &airo_set_multicast_list;
2742 dev->set_mac_address = &airo_set_mac_address;
2743 dev->do_ioctl = &airo_ioctl;
2744 dev->wireless_handlers = &airo_handler_def;
2745 ai->wireless_data.spy_data = &ai->spy_data;
2746 dev->wireless_data = &ai->wireless_data;
2747 dev->change_mtu = &airo_change_mtu;
2748 dev->open = &airo_open;
2749 dev->stop = &airo_close;
2751 dev->base_addr = port;
2753 SET_NETDEV_DEV(dev, dmdev);
2756 if (test_bit(FLAG_MPI,&ai->flags))
2757 reset_card (dev, 1);
2759 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2761 printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
2762 goto err_out_unlink;
2765 if (!request_region( dev->base_addr, 64, dev->name )) {
2767 printk(KERN_ERR "airo: Couldn't request region\n");
2772 if (test_bit(FLAG_MPI,&ai->flags)) {
2773 if (mpi_map_card(ai, pci, dev->name)) {
2774 printk(KERN_ERR "airo: Could not map memory\n");
2780 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2781 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2785 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2786 ai->bap_read = fast_bap_read;
2787 set_bit(FLAG_FLASHING, &ai->flags);
2790 rc = register_netdev(dev);
2792 printk(KERN_ERR "airo: Couldn't register_netdev\n");
2795 ai->wifidev = init_wifidev(ai, dev);
2797 set_bit(FLAG_REGISTERED,&ai->flags);
2798 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
2800 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2801 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2803 /* Allocate the transmit buffers */
2804 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2805 for( i = 0; i < MAX_FIDS; i++ )
2806 ai->fids[i] = transmit_allocate(ai,2312,i>=MAX_FIDS/2);
2808 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2809 netif_start_queue(dev);
2810 SET_MODULE_OWNER(dev);
2814 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2815 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2816 iounmap(ai->pciaux);
2817 iounmap(ai->pcimem);
2818 mpi_unmap_card(ai->pci);
2822 release_region( dev->base_addr, 64 );
2824 free_irq(dev->irq, dev);
2828 set_bit(JOB_DIE, &ai->flags);
2829 kill_proc(ai->thr_pid, SIGTERM, 1);
2830 wait_for_completion(&ai->thr_exited);
2836 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2837 struct device *dmdev)
2839 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2842 EXPORT_SYMBOL(init_airo_card);
2844 static int waitbusy (struct airo_info *ai) {
2846 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2848 if ((++delay % 20) == 0)
2849 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2851 return delay < 10000;
2854 int reset_airo_card( struct net_device *dev )
2857 struct airo_info *ai = dev->priv;
2859 if (reset_card (dev, 1))
2862 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2863 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2866 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev->name,
2867 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2868 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2869 /* Allocate the transmit buffers if needed */
2870 if (!test_bit(FLAG_MPI,&ai->flags))
2871 for( i = 0; i < MAX_FIDS; i++ )
2872 ai->fids[i] = transmit_allocate (ai,2312,i>=MAX_FIDS/2);
2874 enable_interrupts( ai );
2875 netif_wake_queue(dev);
2879 EXPORT_SYMBOL(reset_airo_card);
2881 static void airo_send_event(struct net_device *dev) {
2882 struct airo_info *ai = dev->priv;
2883 union iwreq_data wrqu;
2884 StatusRid status_rid;
2886 clear_bit(JOB_EVENT, &ai->flags);
2887 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2889 wrqu.data.length = 0;
2890 wrqu.data.flags = 0;
2891 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2892 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2894 /* Send event to user space */
2895 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2898 static int airo_thread(void *data) {
2899 struct net_device *dev = data;
2900 struct airo_info *ai = dev->priv;
2903 daemonize("%s", dev->name);
2904 allow_signal(SIGTERM);
2907 if (signal_pending(current))
2908 flush_signals(current);
2910 /* make swsusp happy with our thread */
2913 if (test_bit(JOB_DIE, &ai->flags))
2916 if (ai->flags & JOB_MASK) {
2917 locked = down_interruptible(&ai->sem);
2921 init_waitqueue_entry(&wait, current);
2922 add_wait_queue(&ai->thr_wait, &wait);
2924 set_current_state(TASK_INTERRUPTIBLE);
2925 if (ai->flags & JOB_MASK)
2928 if (time_after_eq(jiffies,ai->expires)){
2929 set_bit(JOB_AUTOWEP,&ai->flags);
2932 if (!signal_pending(current)) {
2933 schedule_timeout(ai->expires - jiffies);
2936 } else if (!signal_pending(current)) {
2942 current->state = TASK_RUNNING;
2943 remove_wait_queue(&ai->thr_wait, &wait);
2950 if (test_bit(JOB_DIE, &ai->flags)) {
2955 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
2960 if (test_bit(JOB_XMIT, &ai->flags))
2962 else if (test_bit(JOB_XMIT11, &ai->flags))
2963 airo_end_xmit11(dev);
2964 else if (test_bit(JOB_STATS, &ai->flags))
2965 airo_read_stats(ai);
2966 else if (test_bit(JOB_WSTATS, &ai->flags))
2967 airo_read_wireless_stats(ai);
2968 else if (test_bit(JOB_PROMISC, &ai->flags))
2969 airo_set_promisc(ai);
2971 else if (test_bit(JOB_MIC, &ai->flags))
2974 else if (test_bit(JOB_EVENT, &ai->flags))
2975 airo_send_event(dev);
2976 else if (test_bit(JOB_AUTOWEP, &ai->flags))
2979 complete_and_exit (&ai->thr_exited, 0);
2982 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
2983 struct net_device *dev = (struct net_device *)dev_id;
2986 struct airo_info *apriv = dev->priv;
2987 u16 savedInterrupts = 0;
2990 if (!netif_device_present(dev))
2994 status = IN4500( apriv, EVSTAT );
2995 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
2999 if ( status & EV_AWAKE ) {
3000 OUT4500( apriv, EVACK, EV_AWAKE );
3001 OUT4500( apriv, EVACK, EV_AWAKE );
3004 if (!savedInterrupts) {
3005 savedInterrupts = IN4500( apriv, EVINTEN );
3006 OUT4500( apriv, EVINTEN, 0 );
3009 if ( status & EV_MIC ) {
3010 OUT4500( apriv, EVACK, EV_MIC );
3012 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3013 set_bit(JOB_MIC, &apriv->flags);
3014 wake_up_interruptible(&apriv->thr_wait);
3018 if ( status & EV_LINK ) {
3019 union iwreq_data wrqu;
3020 /* The link status has changed, if you want to put a
3021 monitor hook in, do it here. (Remember that
3022 interrupts are still disabled!)
3024 u16 newStatus = IN4500(apriv, LINKSTAT);
3025 OUT4500( apriv, EVACK, EV_LINK);
3026 /* Here is what newStatus means: */
3027 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3028 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3029 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3030 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3031 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3032 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3033 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3034 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3036 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3038 #define ASSOCIATED 0x0400 /* Assocatied */
3039 #define RC_RESERVED 0 /* Reserved return code */
3040 #define RC_NOREASON 1 /* Unspecified reason */
3041 #define RC_AUTHINV 2 /* Previous authentication invalid */
3042 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3044 #define RC_NOACT 4 /* Disassociated due to inactivity */
3045 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3046 all currently associated stations */
3047 #define RC_BADCLASS2 6 /* Class 2 frame received from
3048 non-Authenticated station */
3049 #define RC_BADCLASS3 7 /* Class 3 frame received from
3050 non-Associated station */
3051 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3053 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3054 Authenticated with the responding station */
3055 if (newStatus != ASSOCIATED) {
3056 if (auto_wep && !apriv->expires) {
3057 apriv->expires = RUN_AT(3*HZ);
3058 wake_up_interruptible(&apriv->thr_wait);
3061 struct task_struct *task = apriv->task;
3065 wake_up_process (task);
3066 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3067 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3069 /* Question : is ASSOCIATED the only status
3070 * that is valid ? We want to catch handover
3071 * and reassociations as valid status
3073 if(newStatus == ASSOCIATED) {
3074 if (apriv->scan_timestamp) {
3075 /* Send an empty event to user space.
3076 * We don't send the received data on
3077 * the event because it would require
3078 * us to do complex transcoding, and
3079 * we want to minimise the work done in
3080 * the irq handler. Use a request to
3081 * extract the data - Jean II */
3082 wrqu.data.length = 0;
3083 wrqu.data.flags = 0;
3084 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
3085 apriv->scan_timestamp = 0;
3087 if (down_trylock(&apriv->sem) != 0) {
3088 set_bit(JOB_EVENT, &apriv->flags);
3089 wake_up_interruptible(&apriv->thr_wait);
3091 airo_send_event(dev);
3093 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3094 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3096 /* Send event to user space */
3097 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3101 /* Check to see if there is something to receive */
3102 if ( status & EV_RX ) {
3103 struct sk_buff *skb = NULL;
3104 u16 fc, len, hdrlen = 0;
3118 if (test_bit(FLAG_MPI,&apriv->flags)) {
3119 if (test_bit(FLAG_802_11, &apriv->flags))
3120 mpi_receive_802_11(apriv);
3122 mpi_receive_802_3(apriv);
3123 OUT4500(apriv, EVACK, EV_RX);
3127 fid = IN4500( apriv, RXFID );
3129 /* Get the packet length */
3130 if (test_bit(FLAG_802_11, &apriv->flags)) {
3131 bap_setup (apriv, fid, 4, BAP0);
3132 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3133 /* Bad CRC. Ignore packet */
3134 if (le16_to_cpu(hdr.status) & 2)
3136 if (apriv->wifidev == NULL)
3139 bap_setup (apriv, fid, 0x36, BAP0);
3140 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3142 len = le16_to_cpu(hdr.len);
3145 printk( KERN_ERR "airo: Bad size %d\n", len );
3151 if (test_bit(FLAG_802_11, &apriv->flags)) {
3152 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3153 fc = le16_to_cpu(fc);
3156 if ((fc & 0xe0) == 0xc0)
3162 if ((fc&0x300)==0x300){
3170 hdrlen = ETH_ALEN * 2;
3172 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3174 apriv->stats.rx_dropped++;
3177 skb_reserve(skb, 2); /* This way the IP header is aligned */
3178 buffer = (u16*)skb_put (skb, len + hdrlen);
3179 if (test_bit(FLAG_802_11, &apriv->flags)) {
3181 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3183 bap_read (apriv, tmpbuf, 6, BAP0);
3185 bap_read (apriv, &gap, sizeof(gap), BAP0);
3186 gap = le16_to_cpu(gap);
3189 bap_read (apriv, tmpbuf, gap, BAP0);
3191 printk(KERN_ERR "airo: gaplen too big. Problems will follow...\n");
3193 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3198 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3200 if (apriv->micstats.enabled) {
3201 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3202 if (ntohs(micbuf.typelen) > 0x05DC)
3203 bap_setup (apriv, fid, 0x44, BAP0);
3205 if (len <= sizeof(micbuf))
3208 len -= sizeof(micbuf);
3209 skb_trim (skb, len + hdrlen);
3213 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3215 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3217 dev_kfree_skb_irq (skb);
3222 OUT4500( apriv, EVACK, EV_RX);
3227 if (apriv->spy_data.spy_number > 0) {
3229 struct iw_quality wstats;
3230 /* Prepare spy data : addr + qual */
3231 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3232 sa = (char*)buffer + 6;
3233 bap_setup (apriv, fid, 8, BAP0);
3234 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3236 sa = (char*)buffer + 10;
3237 wstats.qual = hdr.rssi[0];
3239 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3241 wstats.level = (hdr.rssi[1] + 321) / 2;
3242 wstats.noise = apriv->wstats.qual.noise;
3243 wstats.updated = IW_QUAL_LEVEL_UPDATED
3244 | IW_QUAL_QUAL_UPDATED
3246 /* Update spy records */
3247 wireless_spy_update(dev, sa, &wstats);
3249 #endif /* WIRELESS_SPY */
3250 OUT4500( apriv, EVACK, EV_RX);
3252 if (test_bit(FLAG_802_11, &apriv->flags)) {
3253 skb->mac.raw = skb->data;
3254 skb->pkt_type = PACKET_OTHERHOST;
3255 skb->dev = apriv->wifidev;
3256 skb->protocol = htons(ETH_P_802_2);
3259 skb->protocol = eth_type_trans(skb,dev);
3261 skb->dev->last_rx = jiffies;
3262 skb->ip_summed = CHECKSUM_NONE;
3268 /* Check to see if a packet has been transmitted */
3269 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3274 if (test_bit(FLAG_MPI,&apriv->flags)) {
3275 unsigned long flags;
3277 if (status & EV_TXEXC)
3278 get_tx_error(apriv, -1);
3279 spin_lock_irqsave(&apriv->aux_lock, flags);
3280 if (!skb_queue_empty(&apriv->txq)) {
3281 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3282 mpi_send_packet (dev);
3284 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3285 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3286 netif_wake_queue (dev);
3288 OUT4500( apriv, EVACK,
3289 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3293 fid = IN4500(apriv, TXCOMPLFID);
3295 for( i = 0; i < MAX_FIDS; i++ ) {
3296 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3297 len = apriv->fids[i] >> 16;
3302 if (status & EV_TXEXC)
3303 get_tx_error(apriv, index);
3304 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3305 /* Set up to be used again */
3306 apriv->fids[index] &= 0xffff;
3307 if (index < MAX_FIDS / 2) {
3308 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3309 netif_wake_queue(dev);
3311 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3312 netif_wake_queue(apriv->wifidev);
3315 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3316 printk( KERN_ERR "airo: Unallocated FID was used to xmit\n" );
3320 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3321 printk( KERN_WARNING "airo: Got weird status %x\n",
3322 status & ~STATUS_INTS & ~IGNORE_INTS );
3325 if (savedInterrupts)
3326 OUT4500( apriv, EVINTEN, savedInterrupts );
3329 return IRQ_RETVAL(handled);
3333 * Routines to talk to the card
3337 * This was originally written for the 4500, hence the name
3338 * NOTE: If use with 8bit mode and SMP bad things will happen!
3339 * Why would some one do 8 bit IO in an SMP machine?!?
3341 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3342 if (test_bit(FLAG_MPI,&ai->flags))
3345 outw( val, ai->dev->base_addr + reg );
3347 outb( val & 0xff, ai->dev->base_addr + reg );
3348 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3352 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3355 if (test_bit(FLAG_MPI,&ai->flags))
3358 rc = inw( ai->dev->base_addr + reg );
3360 rc = inb( ai->dev->base_addr + reg );
3361 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3366 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3370 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3371 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3372 * Note : we could try to use !netif_running(dev) in enable_MAC()
3373 * instead of this flag, but I don't trust it *within* the
3374 * open/close functions, and testing both flags together is
3375 * "cheaper" - Jean II */
3376 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3378 if (lock && down_interruptible(&ai->sem))
3379 return -ERESTARTSYS;
3381 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3382 memset(&cmd, 0, sizeof(cmd));
3383 cmd.cmd = MAC_ENABLE;
3384 rc = issuecommand(ai, &cmd, rsp);
3386 set_bit(FLAG_ENABLED, &ai->flags);
3394 printk(KERN_ERR "%s: Cannot enable MAC, err=%d\n",
3399 static void disable_MAC( struct airo_info *ai, int lock ) {
3403 if (lock && down_interruptible(&ai->sem))
3406 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3407 memset(&cmd, 0, sizeof(cmd));
3408 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3409 issuecommand(ai, &cmd, &rsp);
3410 clear_bit(FLAG_ENABLED, &ai->flags);
3416 static void enable_interrupts( struct airo_info *ai ) {
3417 /* Enable the interrupts */
3418 OUT4500( ai, EVINTEN, STATUS_INTS );
3421 static void disable_interrupts( struct airo_info *ai ) {
3422 OUT4500( ai, EVINTEN, 0 );
3425 static void mpi_receive_802_3(struct airo_info *ai)
3429 struct sk_buff *skb;
3436 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3437 /* Make sure we got something */
3438 if (rxd.rdy && rxd.valid == 0) {
3440 if (len < 12 || len > 2048)
3443 skb = dev_alloc_skb(len);
3445 ai->stats.rx_dropped++;
3448 buffer = skb_put(skb,len);
3450 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3451 if (ai->micstats.enabled) {
3453 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3455 if (ntohs(micbuf.typelen) <= 0x05DC) {
3456 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3459 off = sizeof(micbuf);
3460 skb_trim (skb, len - off);
3463 memcpy(buffer + ETH_ALEN * 2,
3464 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3465 len - ETH_ALEN * 2 - off);
3466 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3468 dev_kfree_skb_irq (skb);
3472 memcpy(buffer, ai->rxfids[0].virtual_host_addr, len);
3475 if (ai->spy_data.spy_number > 0) {
3477 struct iw_quality wstats;
3478 /* Prepare spy data : addr + qual */
3479 sa = buffer + ETH_ALEN;
3480 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3483 /* Update spy records */
3484 wireless_spy_update(ai->dev, sa, &wstats);
3486 #endif /* WIRELESS_SPY */
3489 skb->ip_summed = CHECKSUM_NONE;
3490 skb->protocol = eth_type_trans(skb, ai->dev);
3491 skb->dev->last_rx = jiffies;
3495 if (rxd.valid == 0) {
3499 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3503 void mpi_receive_802_11 (struct airo_info *ai)
3506 struct sk_buff *skb = NULL;
3507 u16 fc, len, hdrlen = 0;
3519 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3521 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3522 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3524 /* Bad CRC. Ignore packet */
3525 if (le16_to_cpu(hdr.status) & 2)
3527 if (ai->wifidev == NULL)
3529 len = le16_to_cpu(hdr.len);
3531 printk( KERN_ERR "airo: Bad size %d\n", len );
3537 memcpy ((char *)&fc, ptr, sizeof(fc));
3538 fc = le16_to_cpu(fc);
3541 if ((fc & 0xe0) == 0xc0)
3547 if ((fc&0x300)==0x300){
3555 skb = dev_alloc_skb( len + hdrlen + 2 );
3557 ai->stats.rx_dropped++;
3560 buffer = (u16*)skb_put (skb, len + hdrlen);
3561 memcpy ((char *)buffer, ptr, hdrlen);
3565 memcpy ((char *)&gap, ptr, sizeof(gap));
3567 gap = le16_to_cpu(gap);
3573 "airo: gaplen too big. Problems will follow...\n");
3575 memcpy ((char *)buffer + hdrlen, ptr, len);
3577 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3578 if (ai->spy_data.spy_number > 0) {
3580 struct iw_quality wstats;
3581 /* Prepare spy data : addr + qual */
3582 sa = (char*)buffer + 10;
3583 wstats.qual = hdr.rssi[0];
3585 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3587 wstats.level = (hdr.rssi[1] + 321) / 2;
3588 wstats.noise = ai->wstats.qual.noise;
3589 wstats.updated = IW_QUAL_QUAL_UPDATED
3590 | IW_QUAL_LEVEL_UPDATED
3592 /* Update spy records */
3593 wireless_spy_update(ai->dev, sa, &wstats);
3595 #endif /* IW_WIRELESS_SPY */
3596 skb->mac.raw = skb->data;
3597 skb->pkt_type = PACKET_OTHERHOST;
3598 skb->dev = ai->wifidev;
3599 skb->protocol = htons(ETH_P_802_2);
3600 skb->dev->last_rx = jiffies;
3601 skb->ip_summed = CHECKSUM_NONE;
3604 if (rxd.valid == 0) {
3608 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3612 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3623 memset( &mySsid, 0, sizeof( mySsid ) );
3627 /* The NOP is the first step in getting the card going */
3629 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3630 if (lock && down_interruptible(&ai->sem))
3632 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3637 disable_MAC( ai, 0);
3639 // Let's figure out if we need to use the AUX port
3640 if (!test_bit(FLAG_MPI,&ai->flags)) {
3641 cmd.cmd = CMD_ENABLEAUX;
3642 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3645 printk(KERN_ERR "airo: Error checking for AUX port\n");
3648 if (!aux_bap || rsp.status & 0xff00) {
3649 ai->bap_read = fast_bap_read;
3650 printk(KERN_DEBUG "airo: Doing fast bap_reads\n");
3652 ai->bap_read = aux_bap_read;
3653 printk(KERN_DEBUG "airo: Doing AUX bap_reads\n");
3658 if (ai->config.len == 0) {
3659 tdsRssiRid rssi_rid;
3660 CapabilityRid cap_rid;
3666 // general configuration (read/modify/write)
3667 status = readConfigRid(ai, lock);
3668 if ( status != SUCCESS ) return ERROR;
3670 status = readCapabilityRid(ai, &cap_rid, lock);
3671 if ( status != SUCCESS ) return ERROR;
3673 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3674 if ( status == SUCCESS ) {
3675 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3676 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3681 if (cap_rid.softCap & 8)
3682 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3684 printk(KERN_WARNING "airo: unknown received signal level scale\n");
3686 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3687 ai->config.authType = AUTH_OPEN;
3688 ai->config.modulation = MOD_CCK;
3691 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3692 (micsetup(ai) == SUCCESS)) {
3693 ai->config.opmode |= MODE_MIC;
3694 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3698 /* Save off the MAC */
3699 for( i = 0; i < ETH_ALEN; i++ ) {
3700 mac[i] = ai->config.macAddr[i];
3703 /* Check to see if there are any insmod configured
3707 memset(ai->config.rates,0,sizeof(ai->config.rates));
3708 for( i = 0; i < 8 && rates[i]; i++ ) {
3709 ai->config.rates[i] = rates[i];
3712 if ( basic_rate > 0 ) {
3714 for( i = 0; i < 8; i++ ) {
3715 if ( ai->config.rates[i] == basic_rate ||
3716 !ai->config.rates ) {
3717 ai->config.rates[i] = basic_rate | 0x80;
3722 set_bit (FLAG_COMMIT, &ai->flags);
3725 /* Setup the SSIDs if present */
3728 for( i = 0; i < 3 && ssids[i]; i++ ) {
3729 mySsid.ssids[i].len = strlen(ssids[i]);
3730 if ( mySsid.ssids[i].len > 32 )
3731 mySsid.ssids[i].len = 32;
3732 memcpy(mySsid.ssids[i].ssid, ssids[i],
3733 mySsid.ssids[i].len);
3735 mySsid.len = sizeof(mySsid);
3738 status = writeConfigRid(ai, lock);
3739 if ( status != SUCCESS ) return ERROR;
3741 /* Set up the SSID list */
3743 status = writeSsidRid(ai, &mySsid, lock);
3744 if ( status != SUCCESS ) return ERROR;
3747 status = enable_MAC(ai, &rsp, lock);
3748 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3749 printk( KERN_ERR "airo: Bad MAC enable reason = %x, rid = %x, offset = %d\n", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3753 /* Grab the initial wep key, we gotta save it for auto_wep */
3754 rc = readWepKeyRid(ai, &wkr, 1, lock);
3755 if (rc == SUCCESS) do {
3756 lastindex = wkr.kindex;
3757 if (wkr.kindex == 0xffff) {
3758 ai->defindex = wkr.mac[0];
3760 rc = readWepKeyRid(ai, &wkr, 0, lock);
3761 } while(lastindex != wkr.kindex);
3764 ai->expires = RUN_AT(3*HZ);
3765 wake_up_interruptible(&ai->thr_wait);
3771 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3772 // Im really paranoid about letting it run forever!
3773 int max_tries = 600000;
3775 if (IN4500(ai, EVSTAT) & EV_CMD)
3776 OUT4500(ai, EVACK, EV_CMD);
3778 OUT4500(ai, PARAM0, pCmd->parm0);
3779 OUT4500(ai, PARAM1, pCmd->parm1);
3780 OUT4500(ai, PARAM2, pCmd->parm2);
3781 OUT4500(ai, COMMAND, pCmd->cmd);
3783 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3784 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3785 // PC4500 didn't notice command, try again
3786 OUT4500(ai, COMMAND, pCmd->cmd);
3787 if (!in_atomic() && (max_tries & 255) == 0)
3791 if ( max_tries == -1 ) {
3793 "airo: Max tries exceeded when issueing command\n" );
3794 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3795 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3799 // command completed
3800 pRsp->status = IN4500(ai, STATUS);
3801 pRsp->rsp0 = IN4500(ai, RESP0);
3802 pRsp->rsp1 = IN4500(ai, RESP1);
3803 pRsp->rsp2 = IN4500(ai, RESP2);
3804 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3805 printk (KERN_ERR "airo: cmd= %x\n", pCmd->cmd);
3806 printk (KERN_ERR "airo: status= %x\n", pRsp->status);
3807 printk (KERN_ERR "airo: Rsp0= %x\n", pRsp->rsp0);
3808 printk (KERN_ERR "airo: Rsp1= %x\n", pRsp->rsp1);
3809 printk (KERN_ERR "airo: Rsp2= %x\n", pRsp->rsp2);
3812 // clear stuck command busy if necessary
3813 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3814 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3816 // acknowledge processing the status/response
3817 OUT4500(ai, EVACK, EV_CMD);
3822 /* Sets up the bap to start exchange data. whichbap should
3823 * be one of the BAP0 or BAP1 defines. Locks should be held before
3825 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3830 OUT4500(ai, SELECT0+whichbap, rid);
3831 OUT4500(ai, OFFSET0+whichbap, offset);
3833 int status = IN4500(ai, OFFSET0+whichbap);
3834 if (status & BAP_BUSY) {
3835 /* This isn't really a timeout, but its kinda
3840 } else if ( status & BAP_ERR ) {
3841 /* invalid rid or offset */
3842 printk( KERN_ERR "airo: BAP error %x %d\n",
3845 } else if (status & BAP_DONE) { // success
3848 if ( !(max_tries--) ) {
3850 "airo: BAP setup error too many retries\n" );
3853 // -- PC4500 missed it, try again
3854 OUT4500(ai, SELECT0+whichbap, rid);
3855 OUT4500(ai, OFFSET0+whichbap, offset);
3860 /* should only be called by aux_bap_read. This aux function and the
3861 following use concepts not documented in the developers guide. I
3862 got them from a patch given to my by Aironet */
3863 static u16 aux_setup(struct airo_info *ai, u16 page,
3864 u16 offset, u16 *len)
3868 OUT4500(ai, AUXPAGE, page);
3869 OUT4500(ai, AUXOFF, 0);
3870 next = IN4500(ai, AUXDATA);
3871 *len = IN4500(ai, AUXDATA)&0xff;
3872 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3876 /* requires call to bap_setup() first */
3877 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
3878 int bytelen, int whichbap)
3886 unsigned long flags;
3888 spin_lock_irqsave(&ai->aux_lock, flags);
3889 page = IN4500(ai, SWS0+whichbap);
3890 offset = IN4500(ai, SWS2+whichbap);
3891 next = aux_setup(ai, page, offset, &len);
3892 words = (bytelen+1)>>1;
3894 for (i=0; i<words;) {
3896 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
3898 insw( ai->dev->base_addr+DATA0+whichbap,
3901 insb( ai->dev->base_addr+DATA0+whichbap,
3902 pu16Dst+i, count << 1 );
3905 next = aux_setup(ai, next, 4, &len);
3908 spin_unlock_irqrestore(&ai->aux_lock, flags);
3913 /* requires call to bap_setup() first */
3914 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
3915 int bytelen, int whichbap)
3917 bytelen = (bytelen + 1) & (~1); // round up to even value
3919 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
3921 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
3925 /* requires call to bap_setup() first */
3926 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
3927 int bytelen, int whichbap)
3929 bytelen = (bytelen + 1) & (~1); // round up to even value
3931 outsw( ai->dev->base_addr+DATA0+whichbap,
3932 pu16Src, bytelen>>1 );
3934 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
3938 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
3940 Cmd cmd; /* for issuing commands */
3941 Resp rsp; /* response from commands */
3944 memset(&cmd, 0, sizeof(cmd));
3947 status = issuecommand(ai, &cmd, &rsp);
3948 if (status != 0) return status;
3949 if ( (rsp.status & 0x7F00) != 0) {
3950 return (accmd << 8) + (rsp.rsp0 & 0xFF);
3955 /* Note, that we are using BAP1 which is also used by transmit, so
3956 * we must get a lock. */
3957 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
3963 if (down_interruptible(&ai->sem))
3966 if (test_bit(FLAG_MPI,&ai->flags)) {
3970 memset(&cmd, 0, sizeof(cmd));
3971 memset(&rsp, 0, sizeof(rsp));
3972 ai->config_desc.rid_desc.valid = 1;
3973 ai->config_desc.rid_desc.len = RIDSIZE;
3974 ai->config_desc.rid_desc.rid = 0;
3975 ai->config_desc.rid_desc.host_addr = ai->ridbus;
3977 cmd.cmd = CMD_ACCESS;
3980 memcpy_toio(ai->config_desc.card_ram_off,
3981 &ai->config_desc.rid_desc, sizeof(Rid));
3983 rc = issuecommand(ai, &cmd, &rsp);
3985 if (rsp.status & 0x7f00)
3988 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
3991 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
3995 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
3999 // read the rid length field
4000 bap_read(ai, pBuf, 2, BAP1);
4001 // length for remaining part of rid
4002 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4006 "airo: Rid %x has a length of %d which is too short\n",
4007 (int)rid, (int)len );
4011 // read remainder of the rid
4012 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4020 /* Note, that we are using BAP1 which is also used by transmit, so
4021 * make sure this isnt called when a transmit is happening */
4022 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4023 const void *pBuf, int len, int lock)
4028 *(u16*)pBuf = cpu_to_le16((u16)len);
4031 if (down_interruptible(&ai->sem))
4034 if (test_bit(FLAG_MPI,&ai->flags)) {
4038 if (test_bit(FLAG_ENABLED, &ai->flags))
4040 "%s: MAC should be disabled (rid=%04x)\n",
4042 memset(&cmd, 0, sizeof(cmd));
4043 memset(&rsp, 0, sizeof(rsp));
4045 ai->config_desc.rid_desc.valid = 1;
4046 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4047 ai->config_desc.rid_desc.rid = 0;
4049 cmd.cmd = CMD_WRITERID;
4052 memcpy_toio(ai->config_desc.card_ram_off,
4053 &ai->config_desc.rid_desc, sizeof(Rid));
4055 if (len < 4 || len > 2047) {
4056 printk(KERN_ERR "%s: len=%d\n",__FUNCTION__,len);
4059 memcpy((char *)ai->config_desc.virtual_host_addr,
4062 rc = issuecommand(ai, &cmd, &rsp);
4063 if ((rc & 0xff00) != 0) {
4064 printk(KERN_ERR "%s: Write rid Error %d\n",
4066 printk(KERN_ERR "%s: Cmd=%04x\n",
4067 __FUNCTION__,cmd.cmd);
4070 if ((rsp.status & 0x7f00))
4074 // --- first access so that we can write the rid data
4075 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4079 // --- now write the rid data
4080 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4084 bap_write(ai, pBuf, len, BAP1);
4085 // ---now commit the rid data
4086 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4094 /* Allocates a FID to be used for transmitting packets. We only use
4096 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4098 unsigned int loop = 3000;
4104 cmd.cmd = CMD_ALLOCATETX;
4105 cmd.parm0 = lenPayload;
4106 if (down_interruptible(&ai->sem))
4108 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4112 if ( (rsp.status & 0xFF00) != 0) {
4116 /* wait for the allocate event/indication
4117 * It makes me kind of nervous that this can just sit here and spin,
4118 * but in practice it only loops like four times. */
4119 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4125 // get the allocated fid and acknowledge
4126 txFid = IN4500(ai, TXALLOCFID);
4127 OUT4500(ai, EVACK, EV_ALLOC);
4129 /* The CARD is pretty cool since it converts the ethernet packet
4130 * into 802.11. Also note that we don't release the FID since we
4131 * will be using the same one over and over again. */
4132 /* We only have to setup the control once since we are not
4133 * releasing the fid. */
4135 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4136 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4138 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4139 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4140 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4143 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4151 /* In general BAP1 is dedicated to transmiting packets. However,
4152 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4153 Make sure the BAP1 spinlock is held when this is called. */
4154 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4165 if (len <= ETH_ALEN * 2) {
4166 printk( KERN_WARNING "Short packet %d\n", len );
4169 len -= ETH_ALEN * 2;
4172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4173 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4174 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4176 miclen = sizeof(pMic);
4180 // packet is destination[6], source[6], payload[len-12]
4181 // write the payload length and dst/src/payload
4182 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4183 /* The hardware addresses aren't counted as part of the payload, so
4184 * we have to subtract the 12 bytes for the addresses off */
4185 payloadLen = cpu_to_le16(len + miclen);
4186 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4187 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4189 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4190 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4191 // issue the transmit command
4192 memset( &cmd, 0, sizeof( cmd ) );
4193 cmd.cmd = CMD_TRANSMIT;
4195 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4196 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4200 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4215 fc = le16_to_cpu(*(const u16*)pPacket);
4218 if ((fc & 0xe0) == 0xc0)
4224 if ((fc&0x300)==0x300){
4233 printk( KERN_WARNING "Short packet %d\n", len );
4237 /* packet is 802.11 header + payload
4238 * write the payload length and dst/src/payload */
4239 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4240 /* The 802.11 header aren't counted as part of the payload, so
4241 * we have to subtract the header bytes off */
4242 payloadLen = cpu_to_le16(len-hdrlen);
4243 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4244 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4245 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4246 bap_write(ai, hdrlen == 30 ?
4247 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4249 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4250 // issue the transmit command
4251 memset( &cmd, 0, sizeof( cmd ) );
4252 cmd.cmd = CMD_TRANSMIT;
4254 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4255 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4260 * This is the proc_fs routines. It is a bit messier than I would
4261 * like! Feel free to clean it up!
4264 static ssize_t proc_read( struct file *file,
4265 char __user *buffer,
4269 static ssize_t proc_write( struct file *file,
4270 const char __user *buffer,
4273 static int proc_close( struct inode *inode, struct file *file );
4275 static int proc_stats_open( struct inode *inode, struct file *file );
4276 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4277 static int proc_status_open( struct inode *inode, struct file *file );
4278 static int proc_SSID_open( struct inode *inode, struct file *file );
4279 static int proc_APList_open( struct inode *inode, struct file *file );
4280 static int proc_BSSList_open( struct inode *inode, struct file *file );
4281 static int proc_config_open( struct inode *inode, struct file *file );
4282 static int proc_wepkey_open( struct inode *inode, struct file *file );
4284 static struct file_operations proc_statsdelta_ops = {
4286 .open = proc_statsdelta_open,
4287 .release = proc_close
4290 static struct file_operations proc_stats_ops = {
4292 .open = proc_stats_open,
4293 .release = proc_close
4296 static struct file_operations proc_status_ops = {
4298 .open = proc_status_open,
4299 .release = proc_close
4302 static struct file_operations proc_SSID_ops = {
4304 .write = proc_write,
4305 .open = proc_SSID_open,
4306 .release = proc_close
4309 static struct file_operations proc_BSSList_ops = {
4311 .write = proc_write,
4312 .open = proc_BSSList_open,
4313 .release = proc_close
4316 static struct file_operations proc_APList_ops = {
4318 .write = proc_write,
4319 .open = proc_APList_open,
4320 .release = proc_close
4323 static struct file_operations proc_config_ops = {
4325 .write = proc_write,
4326 .open = proc_config_open,
4327 .release = proc_close
4330 static struct file_operations proc_wepkey_ops = {
4332 .write = proc_write,
4333 .open = proc_wepkey_open,
4334 .release = proc_close
4337 static struct proc_dir_entry *airo_entry;
4346 void (*on_close) (struct inode *, struct file *);
4350 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4353 static int setup_proc_entry( struct net_device *dev,
4354 struct airo_info *apriv ) {
4355 struct proc_dir_entry *entry;
4356 /* First setup the device directory */
4357 strcpy(apriv->proc_name,dev->name);
4358 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4361 apriv->proc_entry->uid = proc_uid;
4362 apriv->proc_entry->gid = proc_gid;
4363 apriv->proc_entry->owner = THIS_MODULE;
4365 /* Setup the StatsDelta */
4366 entry = create_proc_entry("StatsDelta",
4367 S_IFREG | (S_IRUGO&proc_perm),
4369 entry->uid = proc_uid;
4370 entry->gid = proc_gid;
4372 entry->owner = THIS_MODULE;
4373 SETPROC_OPS(entry, proc_statsdelta_ops);
4375 /* Setup the Stats */
4376 entry = create_proc_entry("Stats",
4377 S_IFREG | (S_IRUGO&proc_perm),
4379 entry->uid = proc_uid;
4380 entry->gid = proc_gid;
4382 entry->owner = THIS_MODULE;
4383 SETPROC_OPS(entry, proc_stats_ops);
4385 /* Setup the Status */
4386 entry = create_proc_entry("Status",
4387 S_IFREG | (S_IRUGO&proc_perm),
4389 entry->uid = proc_uid;
4390 entry->gid = proc_gid;
4392 entry->owner = THIS_MODULE;
4393 SETPROC_OPS(entry, proc_status_ops);
4395 /* Setup the Config */
4396 entry = create_proc_entry("Config",
4397 S_IFREG | proc_perm,
4399 entry->uid = proc_uid;
4400 entry->gid = proc_gid;
4402 entry->owner = THIS_MODULE;
4403 SETPROC_OPS(entry, proc_config_ops);
4405 /* Setup the SSID */
4406 entry = create_proc_entry("SSID",
4407 S_IFREG | proc_perm,
4409 entry->uid = proc_uid;
4410 entry->gid = proc_gid;
4412 entry->owner = THIS_MODULE;
4413 SETPROC_OPS(entry, proc_SSID_ops);
4415 /* Setup the APList */
4416 entry = create_proc_entry("APList",
4417 S_IFREG | proc_perm,
4419 entry->uid = proc_uid;
4420 entry->gid = proc_gid;
4422 entry->owner = THIS_MODULE;
4423 SETPROC_OPS(entry, proc_APList_ops);
4425 /* Setup the BSSList */
4426 entry = create_proc_entry("BSSList",
4427 S_IFREG | proc_perm,
4429 entry->uid = proc_uid;
4430 entry->gid = proc_gid;
4432 entry->owner = THIS_MODULE;
4433 SETPROC_OPS(entry, proc_BSSList_ops);
4435 /* Setup the WepKey */
4436 entry = create_proc_entry("WepKey",
4437 S_IFREG | proc_perm,
4439 entry->uid = proc_uid;
4440 entry->gid = proc_gid;
4442 entry->owner = THIS_MODULE;
4443 SETPROC_OPS(entry, proc_wepkey_ops);
4448 static int takedown_proc_entry( struct net_device *dev,
4449 struct airo_info *apriv ) {
4450 if ( !apriv->proc_entry->namelen ) return 0;
4451 remove_proc_entry("Stats",apriv->proc_entry);
4452 remove_proc_entry("StatsDelta",apriv->proc_entry);
4453 remove_proc_entry("Status",apriv->proc_entry);
4454 remove_proc_entry("Config",apriv->proc_entry);
4455 remove_proc_entry("SSID",apriv->proc_entry);
4456 remove_proc_entry("APList",apriv->proc_entry);
4457 remove_proc_entry("BSSList",apriv->proc_entry);
4458 remove_proc_entry("WepKey",apriv->proc_entry);
4459 remove_proc_entry(apriv->proc_name,airo_entry);
4464 * What we want from the proc_fs is to be able to efficiently read
4465 * and write the configuration. To do this, we want to read the
4466 * configuration when the file is opened and write it when the file is
4467 * closed. So basically we allocate a read buffer at open and fill it
4468 * with data, and allocate a write buffer and read it at close.
4472 * The read routine is generic, it relies on the preallocated rbuffer
4473 * to supply the data.
4475 static ssize_t proc_read( struct file *file,
4476 char __user *buffer,
4480 loff_t pos = *offset;
4481 struct proc_data *priv = (struct proc_data*)file->private_data;
4488 if (pos >= priv->readlen)
4490 if (len > priv->readlen - pos)
4491 len = priv->readlen - pos;
4492 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4494 *offset = pos + len;
4499 * The write routine is generic, it fills in a preallocated rbuffer
4500 * to supply the data.
4502 static ssize_t proc_write( struct file *file,
4503 const char __user *buffer,
4507 loff_t pos = *offset;
4508 struct proc_data *priv = (struct proc_data*)file->private_data;
4515 if (pos >= priv->maxwritelen)
4517 if (len > priv->maxwritelen - pos)
4518 len = priv->maxwritelen - pos;
4519 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4521 if ( pos + len > priv->writelen )
4522 priv->writelen = len + file->f_pos;
4523 *offset = pos + len;
4527 static int proc_status_open( struct inode *inode, struct file *file ) {
4528 struct proc_data *data;
4529 struct proc_dir_entry *dp = PDE(inode);
4530 struct net_device *dev = dp->data;
4531 struct airo_info *apriv = dev->priv;
4532 CapabilityRid cap_rid;
4533 StatusRid status_rid;
4536 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4538 memset(file->private_data, 0, sizeof(struct proc_data));
4539 data = (struct proc_data *)file->private_data;
4540 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4541 kfree (file->private_data);
4545 readStatusRid(apriv, &status_rid, 1);
4546 readCapabilityRid(apriv, &cap_rid, 1);
4548 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4549 status_rid.mode & 1 ? "CFG ": "",
4550 status_rid.mode & 2 ? "ACT ": "",
4551 status_rid.mode & 0x10 ? "SYN ": "",
4552 status_rid.mode & 0x20 ? "LNK ": "",
4553 status_rid.mode & 0x40 ? "LEAP ": "",
4554 status_rid.mode & 0x80 ? "PRIV ": "",
4555 status_rid.mode & 0x100 ? "KEY ": "",
4556 status_rid.mode & 0x200 ? "WEP ": "",
4557 status_rid.mode & 0x8000 ? "ERR ": "");
4558 sprintf( data->rbuffer+i, "Mode: %x\n"
4559 "Signal Strength: %d\n"
4560 "Signal Quality: %d\n"
4565 "Driver Version: %s\n"
4566 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4567 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4568 "Software Version: %x\nSoftware Subversion: %x\n"
4569 "Boot block version: %x\n",
4570 (int)status_rid.mode,
4571 (int)status_rid.normalizedSignalStrength,
4572 (int)status_rid.signalQuality,
4573 (int)status_rid.SSIDlen,
4576 (int)status_rid.channel,
4577 (int)status_rid.currentXmitRate/2,
4585 (int)cap_rid.softVer,
4586 (int)cap_rid.softSubVer,
4587 (int)cap_rid.bootBlockVer );
4588 data->readlen = strlen( data->rbuffer );
4592 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4593 static int proc_statsdelta_open( struct inode *inode,
4594 struct file *file ) {
4595 if (file->f_mode&FMODE_WRITE) {
4596 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4598 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4601 static int proc_stats_open( struct inode *inode, struct file *file ) {
4602 return proc_stats_rid_open(inode, file, RID_STATS);
4605 static int proc_stats_rid_open( struct inode *inode,
4608 struct proc_data *data;
4609 struct proc_dir_entry *dp = PDE(inode);
4610 struct net_device *dev = dp->data;
4611 struct airo_info *apriv = dev->priv;
4614 u32 *vals = stats.vals;
4616 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4618 memset(file->private_data, 0, sizeof(struct proc_data));
4619 data = (struct proc_data *)file->private_data;
4620 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4621 kfree (file->private_data);
4625 readStatsRid(apriv, &stats, rid, 1);
4628 for(i=0; statsLabels[i]!=(char *)-1 &&
4629 i*4<stats.len; i++){
4630 if (!statsLabels[i]) continue;
4631 if (j+strlen(statsLabels[i])+16>4096) {
4633 "airo: Potentially disasterous buffer overflow averted!\n");
4636 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4638 if (i*4>=stats.len){
4640 "airo: Got a short rid\n");
4646 static int get_dec_u16( char *buffer, int *start, int limit ) {
4649 for( value = 0; buffer[*start] >= '0' &&
4650 buffer[*start] <= '9' &&
4651 *start < limit; (*start)++ ) {
4654 value += buffer[*start] - '0';
4656 if ( !valid ) return -1;
4660 static int airo_config_commit(struct net_device *dev,
4661 struct iw_request_info *info, void *zwrq,
4664 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4665 struct proc_data *data = file->private_data;
4666 struct proc_dir_entry *dp = PDE(inode);
4667 struct net_device *dev = dp->data;
4668 struct airo_info *ai = dev->priv;
4671 if ( !data->writelen ) return;
4673 readConfigRid(ai, 1);
4674 set_bit (FLAG_COMMIT, &ai->flags);
4676 line = data->wbuffer;
4678 /*** Mode processing */
4679 if ( !strncmp( line, "Mode: ", 6 ) ) {
4681 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4682 set_bit (FLAG_RESET, &ai->flags);
4683 ai->config.rmode &= 0xfe00;
4684 clear_bit (FLAG_802_11, &ai->flags);
4685 ai->config.opmode &= 0xFF00;
4686 ai->config.scanMode = SCANMODE_ACTIVE;
4687 if ( line[0] == 'a' ) {
4688 ai->config.opmode |= 0;
4690 ai->config.opmode |= 1;
4691 if ( line[0] == 'r' ) {
4692 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4693 ai->config.scanMode = SCANMODE_PASSIVE;
4694 set_bit (FLAG_802_11, &ai->flags);
4695 } else if ( line[0] == 'y' ) {
4696 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4697 ai->config.scanMode = SCANMODE_PASSIVE;
4698 set_bit (FLAG_802_11, &ai->flags);
4699 } else if ( line[0] == 'l' )
4700 ai->config.rmode |= RXMODE_LANMON;
4702 set_bit (FLAG_COMMIT, &ai->flags);
4705 /*** Radio status */
4706 else if (!strncmp(line,"Radio: ", 7)) {
4708 if (!strncmp(line,"off",3)) {
4709 set_bit (FLAG_RADIO_OFF, &ai->flags);
4711 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4714 /*** NodeName processing */
4715 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4719 memset( ai->config.nodeName, 0, 16 );
4720 /* Do the name, assume a space between the mode and node name */
4721 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4722 ai->config.nodeName[j] = line[j];
4724 set_bit (FLAG_COMMIT, &ai->flags);
4727 /*** PowerMode processing */
4728 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4730 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4731 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4732 set_bit (FLAG_COMMIT, &ai->flags);
4733 } else if ( !strncmp( line, "PSP", 3 ) ) {
4734 ai->config.powerSaveMode = POWERSAVE_PSP;
4735 set_bit (FLAG_COMMIT, &ai->flags);
4737 ai->config.powerSaveMode = POWERSAVE_CAM;
4738 set_bit (FLAG_COMMIT, &ai->flags);
4740 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4741 int v, i = 0, k = 0; /* i is index into line,
4742 k is index to rates */
4745 while((v = get_dec_u16(line, &i, 3))!=-1) {
4746 ai->config.rates[k++] = (u8)v;
4750 set_bit (FLAG_COMMIT, &ai->flags);
4751 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4754 v = get_dec_u16(line, &i, i+3);
4756 ai->config.channelSet = (u16)v;
4757 set_bit (FLAG_COMMIT, &ai->flags);
4759 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4762 v = get_dec_u16(line, &i, i+3);
4764 ai->config.txPower = (u16)v;
4765 set_bit (FLAG_COMMIT, &ai->flags);
4767 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4771 ai->config.authType = (u16)AUTH_SHAREDKEY;
4774 ai->config.authType = (u16)AUTH_ENCRYPT;
4777 ai->config.authType = (u16)AUTH_OPEN;
4780 set_bit (FLAG_COMMIT, &ai->flags);
4781 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4785 v = get_dec_u16(line, &i, 3);
4786 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4787 ai->config.longRetryLimit = (u16)v;
4788 set_bit (FLAG_COMMIT, &ai->flags);
4789 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4793 v = get_dec_u16(line, &i, 3);
4794 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4795 ai->config.shortRetryLimit = (u16)v;
4796 set_bit (FLAG_COMMIT, &ai->flags);
4797 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4801 v = get_dec_u16(line, &i, 4);
4802 v = (v<0) ? 0 : ((v>2312) ? 2312 : v);
4803 ai->config.rtsThres = (u16)v;
4804 set_bit (FLAG_COMMIT, &ai->flags);
4805 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4809 v = get_dec_u16(line, &i, 5);
4811 ai->config.txLifetime = (u16)v;
4812 set_bit (FLAG_COMMIT, &ai->flags);
4813 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4817 v = get_dec_u16(line, &i, 5);
4819 ai->config.rxLifetime = (u16)v;
4820 set_bit (FLAG_COMMIT, &ai->flags);
4821 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4822 ai->config.txDiversity =
4823 (line[13]=='l') ? 1 :
4824 ((line[13]=='r')? 2: 3);
4825 set_bit (FLAG_COMMIT, &ai->flags);
4826 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4827 ai->config.rxDiversity =
4828 (line[13]=='l') ? 1 :
4829 ((line[13]=='r')? 2: 3);
4830 set_bit (FLAG_COMMIT, &ai->flags);
4831 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4835 v = get_dec_u16(line, &i, 4);
4836 v = (v<256) ? 256 : ((v>2312) ? 2312 : v);
4837 v = v & 0xfffe; /* Make sure its even */
4838 ai->config.fragThresh = (u16)v;
4839 set_bit (FLAG_COMMIT, &ai->flags);
4840 } else if (!strncmp(line, "Modulation: ", 12)) {
4843 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4844 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4845 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4847 printk( KERN_WARNING "airo: Unknown modulation\n" );
4849 } else if (!strncmp(line, "Preamble: ", 10)) {
4852 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4853 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4854 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4855 default: printk(KERN_WARNING "airo: Unknown preamble\n");
4858 printk( KERN_WARNING "Couldn't figure out %s\n", line );
4860 while( line[0] && line[0] != '\n' ) line++;
4861 if ( line[0] ) line++;
4863 airo_config_commit(dev, NULL, NULL, NULL);
4866 static char *get_rmode(u16 mode) {
4868 case RXMODE_RFMON: return "rfmon";
4869 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
4870 case RXMODE_LANMON: return "lanmon";
4875 static int proc_config_open( struct inode *inode, struct file *file ) {
4876 struct proc_data *data;
4877 struct proc_dir_entry *dp = PDE(inode);
4878 struct net_device *dev = dp->data;
4879 struct airo_info *ai = dev->priv;
4882 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4884 memset(file->private_data, 0, sizeof(struct proc_data));
4885 data = (struct proc_data *)file->private_data;
4886 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4887 kfree (file->private_data);
4890 if ((data->wbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4891 kfree (data->rbuffer);
4892 kfree (file->private_data);
4895 memset( data->wbuffer, 0, 2048 );
4896 data->maxwritelen = 2048;
4897 data->on_close = proc_config_on_close;
4899 readConfigRid(ai, 1);
4901 i = sprintf( data->rbuffer,
4906 "DataRates: %d %d %d %d %d %d %d %d\n"
4909 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
4910 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
4911 (ai->config.opmode & 0xFF) == 2 ? "AP" :
4912 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
4913 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
4914 ai->config.nodeName,
4915 ai->config.powerSaveMode == 0 ? "CAM" :
4916 ai->config.powerSaveMode == 1 ? "PSP" :
4917 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
4918 (int)ai->config.rates[0],
4919 (int)ai->config.rates[1],
4920 (int)ai->config.rates[2],
4921 (int)ai->config.rates[3],
4922 (int)ai->config.rates[4],
4923 (int)ai->config.rates[5],
4924 (int)ai->config.rates[6],
4925 (int)ai->config.rates[7],
4926 (int)ai->config.channelSet,
4927 (int)ai->config.txPower
4929 sprintf( data->rbuffer + i,
4930 "LongRetryLimit: %d\n"
4931 "ShortRetryLimit: %d\n"
4932 "RTSThreshold: %d\n"
4933 "TXMSDULifetime: %d\n"
4934 "RXMSDULifetime: %d\n"
4937 "FragThreshold: %d\n"
4941 (int)ai->config.longRetryLimit,
4942 (int)ai->config.shortRetryLimit,
4943 (int)ai->config.rtsThres,
4944 (int)ai->config.txLifetime,
4945 (int)ai->config.rxLifetime,
4946 ai->config.txDiversity == 1 ? "left" :
4947 ai->config.txDiversity == 2 ? "right" : "both",
4948 ai->config.rxDiversity == 1 ? "left" :
4949 ai->config.rxDiversity == 2 ? "right" : "both",
4950 (int)ai->config.fragThresh,
4951 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
4952 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
4953 ai->config.modulation == 0 ? "default" :
4954 ai->config.modulation == MOD_CCK ? "cck" :
4955 ai->config.modulation == MOD_MOK ? "mok" : "error",
4956 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
4957 ai->config.preamble == PREAMBLE_LONG ? "long" :
4958 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
4960 data->readlen = strlen( data->rbuffer );
4964 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
4965 struct proc_data *data = (struct proc_data *)file->private_data;
4966 struct proc_dir_entry *dp = PDE(inode);
4967 struct net_device *dev = dp->data;
4968 struct airo_info *ai = dev->priv;
4974 if ( !data->writelen ) return;
4976 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
4978 for( i = 0; i < 3; i++ ) {
4980 for( j = 0; j+offset < data->writelen && j < 32 &&
4981 data->wbuffer[offset+j] != '\n'; j++ ) {
4982 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
4984 if ( j == 0 ) break;
4985 SSID_rid.ssids[i].len = j;
4987 while( data->wbuffer[offset] != '\n' &&
4988 offset < data->writelen ) offset++;
4992 SSID_rid.len = sizeof(SSID_rid);
4994 writeSsidRid(ai, &SSID_rid, 1);
4995 enable_MAC(ai, &rsp, 1);
4998 static inline u8 hexVal(char c) {
4999 if (c>='0' && c<='9') return c -= '0';
5000 if (c>='a' && c<='f') return c -= 'a'-10;
5001 if (c>='A' && c<='F') return c -= 'A'-10;
5005 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5006 struct proc_data *data = (struct proc_data *)file->private_data;
5007 struct proc_dir_entry *dp = PDE(inode);
5008 struct net_device *dev = dp->data;
5009 struct airo_info *ai = dev->priv;
5010 APListRid APList_rid;
5014 if ( !data->writelen ) return;
5016 memset( &APList_rid, 0, sizeof(APList_rid) );
5017 APList_rid.len = sizeof(APList_rid);
5019 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5021 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5024 APList_rid.ap[i][j/3]=
5025 hexVal(data->wbuffer[j+i*6*3])<<4;
5028 APList_rid.ap[i][j/3]|=
5029 hexVal(data->wbuffer[j+i*6*3]);
5035 writeAPListRid(ai, &APList_rid, 1);
5036 enable_MAC(ai, &rsp, 1);
5039 /* This function wraps PC4500_writerid with a MAC disable */
5040 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5041 int len, int dummy ) {
5046 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5047 enable_MAC(ai, &rsp, 1);
5051 /* Returns the length of the key at the index. If index == 0xffff
5052 * the index of the transmit key is returned. If the key doesn't exist,
5053 * -1 will be returned.
5055 static int get_wep_key(struct airo_info *ai, u16 index) {
5060 rc = readWepKeyRid(ai, &wkr, 1, 1);
5061 if (rc == SUCCESS) do {
5062 lastindex = wkr.kindex;
5063 if (wkr.kindex == index) {
5064 if (index == 0xffff) {
5069 readWepKeyRid(ai, &wkr, 0, 1);
5070 } while(lastindex != wkr.kindex);
5074 static int set_wep_key(struct airo_info *ai, u16 index,
5075 const char *key, u16 keylen, int perm, int lock ) {
5076 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5080 memset(&wkr, 0, sizeof(wkr));
5082 // We are selecting which key to use
5083 wkr.len = sizeof(wkr);
5084 wkr.kindex = 0xffff;
5085 wkr.mac[0] = (char)index;
5086 if (perm) printk(KERN_INFO "Setting transmit key to %d\n", index);
5087 if (perm) ai->defindex = (char)index;
5089 // We are actually setting the key
5090 wkr.len = sizeof(wkr);
5093 memcpy( wkr.key, key, keylen );
5094 memcpy( wkr.mac, macaddr, ETH_ALEN );
5095 printk(KERN_INFO "Setting key %d\n", index);
5098 disable_MAC(ai, lock);
5099 writeWepKeyRid(ai, &wkr, perm, lock);
5100 enable_MAC(ai, &rsp, lock);
5104 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5105 struct proc_data *data;
5106 struct proc_dir_entry *dp = PDE(inode);
5107 struct net_device *dev = dp->data;
5108 struct airo_info *ai = dev->priv;
5114 memset(key, 0, sizeof(key));
5116 data = (struct proc_data *)file->private_data;
5117 if ( !data->writelen ) return;
5119 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5120 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5121 index = data->wbuffer[0] - '0';
5122 if (data->wbuffer[1] == '\n') {
5123 set_wep_key(ai, index, NULL, 0, 1, 1);
5128 printk(KERN_ERR "airo: WepKey passed invalid key index\n");
5132 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5135 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5138 key[i/3] |= hexVal(data->wbuffer[i+j]);
5142 set_wep_key(ai, index, key, i/3, 1, 1);
5145 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5146 struct proc_data *data;
5147 struct proc_dir_entry *dp = PDE(inode);
5148 struct net_device *dev = dp->data;
5149 struct airo_info *ai = dev->priv;
5156 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5158 memset(file->private_data, 0, sizeof(struct proc_data));
5159 memset(&wkr, 0, sizeof(wkr));
5160 data = (struct proc_data *)file->private_data;
5161 if ((data->rbuffer = kmalloc( 180, GFP_KERNEL )) == NULL) {
5162 kfree (file->private_data);
5165 memset(data->rbuffer, 0, 180);
5167 data->maxwritelen = 80;
5168 if ((data->wbuffer = kmalloc( 80, GFP_KERNEL )) == NULL) {
5169 kfree (data->rbuffer);
5170 kfree (file->private_data);
5173 memset( data->wbuffer, 0, 80 );
5174 data->on_close = proc_wepkey_on_close;
5176 ptr = data->rbuffer;
5177 strcpy(ptr, "No wep keys\n");
5178 rc = readWepKeyRid(ai, &wkr, 1, 1);
5179 if (rc == SUCCESS) do {
5180 lastindex = wkr.kindex;
5181 if (wkr.kindex == 0xffff) {
5182 j += sprintf(ptr+j, "Tx key = %d\n",
5185 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5186 (int)wkr.kindex, (int)wkr.klen);
5188 readWepKeyRid(ai, &wkr, 0, 1);
5189 } while((lastindex != wkr.kindex) && (j < 180-30));
5191 data->readlen = strlen( data->rbuffer );
5195 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5196 struct proc_data *data;
5197 struct proc_dir_entry *dp = PDE(inode);
5198 struct net_device *dev = dp->data;
5199 struct airo_info *ai = dev->priv;
5204 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5206 memset(file->private_data, 0, sizeof(struct proc_data));
5207 data = (struct proc_data *)file->private_data;
5208 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5209 kfree (file->private_data);
5213 data->maxwritelen = 33*3;
5214 if ((data->wbuffer = kmalloc( 33*3, GFP_KERNEL )) == NULL) {
5215 kfree (data->rbuffer);
5216 kfree (file->private_data);
5219 memset( data->wbuffer, 0, 33*3 );
5220 data->on_close = proc_SSID_on_close;
5222 readSsidRid(ai, &SSID_rid);
5223 ptr = data->rbuffer;
5224 for( i = 0; i < 3; i++ ) {
5226 if ( !SSID_rid.ssids[i].len ) break;
5227 for( j = 0; j < 32 &&
5228 j < SSID_rid.ssids[i].len &&
5229 SSID_rid.ssids[i].ssid[j]; j++ ) {
5230 *ptr++ = SSID_rid.ssids[i].ssid[j];
5235 data->readlen = strlen( data->rbuffer );
5239 static int proc_APList_open( struct inode *inode, struct file *file ) {
5240 struct proc_data *data;
5241 struct proc_dir_entry *dp = PDE(inode);
5242 struct net_device *dev = dp->data;
5243 struct airo_info *ai = dev->priv;
5246 APListRid APList_rid;
5248 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5250 memset(file->private_data, 0, sizeof(struct proc_data));
5251 data = (struct proc_data *)file->private_data;
5252 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5253 kfree (file->private_data);
5257 data->maxwritelen = 4*6*3;
5258 if ((data->wbuffer = kmalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5259 kfree (data->rbuffer);
5260 kfree (file->private_data);
5263 memset( data->wbuffer, 0, data->maxwritelen );
5264 data->on_close = proc_APList_on_close;
5266 readAPListRid(ai, &APList_rid);
5267 ptr = data->rbuffer;
5268 for( i = 0; i < 4; i++ ) {
5269 // We end when we find a zero MAC
5270 if ( !*(int*)APList_rid.ap[i] &&
5271 !*(int*)&APList_rid.ap[i][2]) break;
5272 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5273 (int)APList_rid.ap[i][0],
5274 (int)APList_rid.ap[i][1],
5275 (int)APList_rid.ap[i][2],
5276 (int)APList_rid.ap[i][3],
5277 (int)APList_rid.ap[i][4],
5278 (int)APList_rid.ap[i][5]);
5280 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5283 data->readlen = strlen( data->rbuffer );
5287 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5288 struct proc_data *data;
5289 struct proc_dir_entry *dp = PDE(inode);
5290 struct net_device *dev = dp->data;
5291 struct airo_info *ai = dev->priv;
5293 BSSListRid BSSList_rid;
5295 /* If doLoseSync is not 1, we won't do a Lose Sync */
5296 int doLoseSync = -1;
5298 if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5300 memset(file->private_data, 0, sizeof(struct proc_data));
5301 data = (struct proc_data *)file->private_data;
5302 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5303 kfree (file->private_data);
5307 data->maxwritelen = 0;
5308 data->wbuffer = NULL;
5309 data->on_close = NULL;
5311 if (file->f_mode & FMODE_WRITE) {
5312 if (!(file->f_mode & FMODE_READ)) {
5316 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5317 memset(&cmd, 0, sizeof(cmd));
5318 cmd.cmd=CMD_LISTBSS;
5319 if (down_interruptible(&ai->sem))
5320 return -ERESTARTSYS;
5321 issuecommand(ai, &cmd, &rsp);
5328 ptr = data->rbuffer;
5329 /* There is a race condition here if there are concurrent opens.
5330 Since it is a rare condition, we'll just live with it, otherwise
5331 we have to add a spin lock... */
5332 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5333 while(rc == 0 && BSSList_rid.index != 0xffff) {
5334 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5335 (int)BSSList_rid.bssid[0],
5336 (int)BSSList_rid.bssid[1],
5337 (int)BSSList_rid.bssid[2],
5338 (int)BSSList_rid.bssid[3],
5339 (int)BSSList_rid.bssid[4],
5340 (int)BSSList_rid.bssid[5],
5341 (int)BSSList_rid.ssidLen,
5343 (int)BSSList_rid.dBm);
5344 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5345 (int)BSSList_rid.dsChannel,
5346 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5347 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5348 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5349 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5350 rc = readBSSListRid(ai, 0, &BSSList_rid);
5353 data->readlen = strlen( data->rbuffer );
5357 static int proc_close( struct inode *inode, struct file *file )
5359 struct proc_data *data = file->private_data;
5361 if (data->on_close != NULL)
5362 data->on_close(inode, file);
5363 kfree(data->rbuffer);
5364 kfree(data->wbuffer);
5369 static struct net_device_list {
5370 struct net_device *dev;
5371 struct net_device_list *next;
5374 /* Since the card doesn't automatically switch to the right WEP mode,
5375 we will make it do it. If the card isn't associated, every secs we
5376 will switch WEP modes to see if that will help. If the card is
5377 associated we will check every minute to see if anything has
5379 static void timer_func( struct net_device *dev ) {
5380 struct airo_info *apriv = dev->priv;
5383 /* We don't have a link so try changing the authtype */
5384 readConfigRid(apriv, 0);
5385 disable_MAC(apriv, 0);
5386 switch(apriv->config.authType) {
5388 /* So drop to OPEN */
5389 apriv->config.authType = AUTH_OPEN;
5391 case AUTH_SHAREDKEY:
5392 if (apriv->keyindex < auto_wep) {
5393 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5394 apriv->config.authType = AUTH_SHAREDKEY;
5397 /* Drop to ENCRYPT */
5398 apriv->keyindex = 0;
5399 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5400 apriv->config.authType = AUTH_ENCRYPT;
5403 default: /* We'll escalate to SHAREDKEY */
5404 apriv->config.authType = AUTH_SHAREDKEY;
5406 set_bit (FLAG_COMMIT, &apriv->flags);
5407 writeConfigRid(apriv, 0);
5408 enable_MAC(apriv, &rsp, 0);
5411 /* Schedule check to see if the change worked */
5412 clear_bit(JOB_AUTOWEP, &apriv->flags);
5413 apriv->expires = RUN_AT(HZ*3);
5416 static int add_airo_dev( struct net_device *dev ) {
5417 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5422 node->next = airo_devices;
5423 airo_devices = node;
5428 static void del_airo_dev( struct net_device *dev ) {
5429 struct net_device_list **p = &airo_devices;
5430 while( *p && ( (*p)->dev != dev ) )
5432 if ( *p && (*p)->dev == dev )
5437 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5438 const struct pci_device_id *pent)
5440 struct net_device *dev;
5442 if (pci_enable_device(pdev))
5444 pci_set_master(pdev);
5446 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5447 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5449 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5453 pci_set_drvdata(pdev, dev);
5457 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5461 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5463 struct net_device *dev = pci_get_drvdata(pdev);
5464 struct airo_info *ai = dev->priv;
5468 if ((ai->APList == NULL) &&
5469 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5471 if ((ai->SSID == NULL) &&
5472 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5474 readAPListRid(ai, ai->APList);
5475 readSsidRid(ai, ai->SSID);
5476 memset(&cmd, 0, sizeof(cmd));
5477 /* the lock will be released at the end of the resume callback */
5478 if (down_interruptible(&ai->sem))
5481 netif_device_detach(dev);
5484 issuecommand(ai, &cmd, &rsp);
5486 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5487 pci_save_state(pdev);
5488 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5491 static int airo_pci_resume(struct pci_dev *pdev)
5493 struct net_device *dev = pci_get_drvdata(pdev);
5494 struct airo_info *ai = dev->priv;
5496 pci_power_t prev_state = pdev->current_state;
5498 pci_set_power_state(pdev, PCI_D0);
5499 pci_restore_state(pdev);
5500 pci_enable_wake(pdev, PCI_D0, 0);
5502 if (prev_state != PCI_D1) {
5504 mpi_init_descriptors(ai);
5505 setup_card(ai, dev->dev_addr, 0);
5506 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5507 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5509 OUT4500(ai, EVACK, EV_AWAKEN);
5510 OUT4500(ai, EVACK, EV_AWAKEN);
5514 set_bit (FLAG_COMMIT, &ai->flags);
5518 writeSsidRid(ai, ai->SSID, 0);
5523 writeAPListRid(ai, ai->APList, 0);
5527 writeConfigRid(ai, 0);
5528 enable_MAC(ai, &rsp, 0);
5529 ai->power = PMSG_ON;
5530 netif_device_attach(dev);
5531 netif_wake_queue(dev);
5532 enable_interrupts(ai);
5538 static int __init airo_init_module( void )
5540 int i, have_isa_dev = 0;
5542 airo_entry = create_proc_entry("aironet",
5543 S_IFDIR | airo_perm,
5545 airo_entry->uid = proc_uid;
5546 airo_entry->gid = proc_gid;
5548 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5550 "airo: Trying to configure ISA adapter at irq=%d io=0x%x\n",
5552 if (init_airo_card( irq[i], io[i], 0, NULL ))
5557 printk( KERN_INFO "airo: Probing for PCI adapters\n" );
5558 pci_register_driver(&airo_driver);
5559 printk( KERN_INFO "airo: Finished probing for PCI adapters\n" );
5562 /* Always exit with success, as we are a library module
5563 * as well as a driver module
5568 static void __exit airo_cleanup_module( void )
5570 while( airo_devices ) {
5571 printk( KERN_INFO "airo: Unregistering %s\n", airo_devices->dev->name );
5572 stop_airo_card( airo_devices->dev, 1 );
5575 pci_unregister_driver(&airo_driver);
5577 remove_proc_entry("aironet", proc_root_driver);
5581 * Initial Wireless Extension code for Aironet driver by :
5582 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5583 * Conversion to new driver API by :
5584 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5585 * Javier also did a good amount of work here, adding some new extensions
5586 * and fixing my code. Let's just say that without him this code just
5587 * would not work at all... - Jean II
5590 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5595 return (0x100 - rssi_rid[rssi].rssidBm);
5598 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5605 for( i = 0; i < 256; i++ )
5606 if (rssi_rid[i].rssidBm == dbm)
5607 return rssi_rid[i].rssipct;
5613 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5617 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5618 if (memcmp(cap_rid->prodName, "350", 3))
5619 if (status_rid->signalQuality > 0x20)
5622 quality = 0x20 - status_rid->signalQuality;
5624 if (status_rid->signalQuality > 0xb0)
5626 else if (status_rid->signalQuality < 0x10)
5629 quality = 0xb0 - status_rid->signalQuality;
5634 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5635 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5637 /*------------------------------------------------------------------*/
5639 * Wireless Handler : get protocol name
5641 static int airo_get_name(struct net_device *dev,
5642 struct iw_request_info *info,
5646 strcpy(cwrq, "IEEE 802.11-DS");
5650 /*------------------------------------------------------------------*/
5652 * Wireless Handler : set frequency
5654 static int airo_set_freq(struct net_device *dev,
5655 struct iw_request_info *info,
5656 struct iw_freq *fwrq,
5659 struct airo_info *local = dev->priv;
5660 int rc = -EINPROGRESS; /* Call commit handler */
5662 /* If setting by frequency, convert to a channel */
5663 if((fwrq->e == 1) &&
5664 (fwrq->m >= (int) 2.412e8) &&
5665 (fwrq->m <= (int) 2.487e8)) {
5666 int f = fwrq->m / 100000;
5668 while((c < 14) && (f != frequency_list[c]))
5670 /* Hack to fall through... */
5674 /* Setting by channel number */
5675 if((fwrq->m > 1000) || (fwrq->e > 0))
5678 int channel = fwrq->m;
5679 /* We should do a better check than that,
5680 * based on the card capability !!! */
5681 if((channel < 1) || (channel > 16)) {
5682 printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
5685 readConfigRid(local, 1);
5686 /* Yes ! We can set it !!! */
5687 local->config.channelSet = (u16)(channel - 1);
5688 set_bit (FLAG_COMMIT, &local->flags);
5694 /*------------------------------------------------------------------*/
5696 * Wireless Handler : get frequency
5698 static int airo_get_freq(struct net_device *dev,
5699 struct iw_request_info *info,
5700 struct iw_freq *fwrq,
5703 struct airo_info *local = dev->priv;
5704 StatusRid status_rid; /* Card status info */
5706 readConfigRid(local, 1);
5707 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5708 status_rid.channel = local->config.channelSet;
5710 readStatusRid(local, &status_rid, 1);
5712 #ifdef WEXT_USECHANNELS
5713 fwrq->m = ((int)status_rid.channel) + 1;
5717 int f = (int)status_rid.channel;
5718 fwrq->m = frequency_list[f] * 100000;
5726 /*------------------------------------------------------------------*/
5728 * Wireless Handler : set ESSID
5730 static int airo_set_essid(struct net_device *dev,
5731 struct iw_request_info *info,
5732 struct iw_point *dwrq,
5735 struct airo_info *local = dev->priv;
5737 SsidRid SSID_rid; /* SSIDs */
5739 /* Reload the list of current SSID */
5740 readSsidRid(local, &SSID_rid);
5742 /* Check if we asked for `any' */
5743 if(dwrq->flags == 0) {
5744 /* Just send an empty SSID list */
5745 memset(&SSID_rid, 0, sizeof(SSID_rid));
5747 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5749 /* Check the size of the string */
5750 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5753 /* Check if index is valid */
5754 if((index < 0) || (index >= 4)) {
5759 memset(SSID_rid.ssids[index].ssid, 0,
5760 sizeof(SSID_rid.ssids[index].ssid));
5761 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5762 SSID_rid.ssids[index].len = dwrq->length - 1;
5764 SSID_rid.len = sizeof(SSID_rid);
5765 /* Write it to the card */
5766 disable_MAC(local, 1);
5767 writeSsidRid(local, &SSID_rid, 1);
5768 enable_MAC(local, &rsp, 1);
5773 /*------------------------------------------------------------------*/
5775 * Wireless Handler : get ESSID
5777 static int airo_get_essid(struct net_device *dev,
5778 struct iw_request_info *info,
5779 struct iw_point *dwrq,
5782 struct airo_info *local = dev->priv;
5783 StatusRid status_rid; /* Card status info */
5785 readStatusRid(local, &status_rid, 1);
5787 /* Note : if dwrq->flags != 0, we should
5788 * get the relevant SSID from the SSID list... */
5790 /* Get the current SSID */
5791 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5792 extra[status_rid.SSIDlen] = '\0';
5793 /* If none, we may want to get the one that was set */
5796 dwrq->length = status_rid.SSIDlen + 1;
5797 dwrq->flags = 1; /* active */
5802 /*------------------------------------------------------------------*/
5804 * Wireless Handler : set AP address
5806 static int airo_set_wap(struct net_device *dev,
5807 struct iw_request_info *info,
5808 struct sockaddr *awrq,
5811 struct airo_info *local = dev->priv;
5814 APListRid APList_rid;
5815 static const unsigned char bcast[ETH_ALEN] = { 255, 255, 255, 255, 255, 255 };
5817 if (awrq->sa_family != ARPHRD_ETHER)
5819 else if (!memcmp(bcast, awrq->sa_data, ETH_ALEN)) {
5820 memset(&cmd, 0, sizeof(cmd));
5821 cmd.cmd=CMD_LOSE_SYNC;
5822 if (down_interruptible(&local->sem))
5823 return -ERESTARTSYS;
5824 issuecommand(local, &cmd, &rsp);
5827 memset(&APList_rid, 0, sizeof(APList_rid));
5828 APList_rid.len = sizeof(APList_rid);
5829 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5830 disable_MAC(local, 1);
5831 writeAPListRid(local, &APList_rid, 1);
5832 enable_MAC(local, &rsp, 1);
5837 /*------------------------------------------------------------------*/
5839 * Wireless Handler : get AP address
5841 static int airo_get_wap(struct net_device *dev,
5842 struct iw_request_info *info,
5843 struct sockaddr *awrq,
5846 struct airo_info *local = dev->priv;
5847 StatusRid status_rid; /* Card status info */
5849 readStatusRid(local, &status_rid, 1);
5851 /* Tentative. This seems to work, wow, I'm lucky !!! */
5852 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5853 awrq->sa_family = ARPHRD_ETHER;
5858 /*------------------------------------------------------------------*/
5860 * Wireless Handler : set Nickname
5862 static int airo_set_nick(struct net_device *dev,
5863 struct iw_request_info *info,
5864 struct iw_point *dwrq,
5867 struct airo_info *local = dev->priv;
5869 /* Check the size of the string */
5870 if(dwrq->length > 16 + 1) {
5873 readConfigRid(local, 1);
5874 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5875 memcpy(local->config.nodeName, extra, dwrq->length);
5876 set_bit (FLAG_COMMIT, &local->flags);
5878 return -EINPROGRESS; /* Call commit handler */
5881 /*------------------------------------------------------------------*/
5883 * Wireless Handler : get Nickname
5885 static int airo_get_nick(struct net_device *dev,
5886 struct iw_request_info *info,
5887 struct iw_point *dwrq,
5890 struct airo_info *local = dev->priv;
5892 readConfigRid(local, 1);
5893 strncpy(extra, local->config.nodeName, 16);
5895 dwrq->length = strlen(extra) + 1;
5900 /*------------------------------------------------------------------*/
5902 * Wireless Handler : set Bit-Rate
5904 static int airo_set_rate(struct net_device *dev,
5905 struct iw_request_info *info,
5906 struct iw_param *vwrq,
5909 struct airo_info *local = dev->priv;
5910 CapabilityRid cap_rid; /* Card capability info */
5914 /* First : get a valid bit rate value */
5915 readCapabilityRid(local, &cap_rid, 1);
5917 /* Which type of value ? */
5918 if((vwrq->value < 8) && (vwrq->value >= 0)) {
5919 /* Setting by rate index */
5920 /* Find value in the magic rate table */
5921 brate = cap_rid.supportedRates[vwrq->value];
5923 /* Setting by frequency value */
5924 u8 normvalue = (u8) (vwrq->value/500000);
5926 /* Check if rate is valid */
5927 for(i = 0 ; i < 8 ; i++) {
5928 if(normvalue == cap_rid.supportedRates[i]) {
5934 /* -1 designed the max rate (mostly auto mode) */
5935 if(vwrq->value == -1) {
5936 /* Get the highest available rate */
5937 for(i = 0 ; i < 8 ; i++) {
5938 if(cap_rid.supportedRates[i] == 0)
5942 brate = cap_rid.supportedRates[i - 1];
5944 /* Check that it is valid */
5949 readConfigRid(local, 1);
5950 /* Now, check if we want a fixed or auto value */
5951 if(vwrq->fixed == 0) {
5952 /* Fill all the rates up to this max rate */
5953 memset(local->config.rates, 0, 8);
5954 for(i = 0 ; i < 8 ; i++) {
5955 local->config.rates[i] = cap_rid.supportedRates[i];
5956 if(local->config.rates[i] == brate)
5961 /* One rate, fixed */
5962 memset(local->config.rates, 0, 8);
5963 local->config.rates[0] = brate;
5965 set_bit (FLAG_COMMIT, &local->flags);
5967 return -EINPROGRESS; /* Call commit handler */
5970 /*------------------------------------------------------------------*/
5972 * Wireless Handler : get Bit-Rate
5974 static int airo_get_rate(struct net_device *dev,
5975 struct iw_request_info *info,
5976 struct iw_param *vwrq,
5979 struct airo_info *local = dev->priv;
5980 StatusRid status_rid; /* Card status info */
5982 readStatusRid(local, &status_rid, 1);
5984 vwrq->value = status_rid.currentXmitRate * 500000;
5985 /* If more than one rate, set auto */
5986 readConfigRid(local, 1);
5987 vwrq->fixed = (local->config.rates[1] == 0);
5992 /*------------------------------------------------------------------*/
5994 * Wireless Handler : set RTS threshold
5996 static int airo_set_rts(struct net_device *dev,
5997 struct iw_request_info *info,
5998 struct iw_param *vwrq,
6001 struct airo_info *local = dev->priv;
6002 int rthr = vwrq->value;
6006 if((rthr < 0) || (rthr > 2312)) {
6009 readConfigRid(local, 1);
6010 local->config.rtsThres = rthr;
6011 set_bit (FLAG_COMMIT, &local->flags);
6013 return -EINPROGRESS; /* Call commit handler */
6016 /*------------------------------------------------------------------*/
6018 * Wireless Handler : get RTS threshold
6020 static int airo_get_rts(struct net_device *dev,
6021 struct iw_request_info *info,
6022 struct iw_param *vwrq,
6025 struct airo_info *local = dev->priv;
6027 readConfigRid(local, 1);
6028 vwrq->value = local->config.rtsThres;
6029 vwrq->disabled = (vwrq->value >= 2312);
6035 /*------------------------------------------------------------------*/
6037 * Wireless Handler : set Fragmentation threshold
6039 static int airo_set_frag(struct net_device *dev,
6040 struct iw_request_info *info,
6041 struct iw_param *vwrq,
6044 struct airo_info *local = dev->priv;
6045 int fthr = vwrq->value;
6049 if((fthr < 256) || (fthr > 2312)) {
6052 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6053 readConfigRid(local, 1);
6054 local->config.fragThresh = (u16)fthr;
6055 set_bit (FLAG_COMMIT, &local->flags);
6057 return -EINPROGRESS; /* Call commit handler */
6060 /*------------------------------------------------------------------*/
6062 * Wireless Handler : get Fragmentation threshold
6064 static int airo_get_frag(struct net_device *dev,
6065 struct iw_request_info *info,
6066 struct iw_param *vwrq,
6069 struct airo_info *local = dev->priv;
6071 readConfigRid(local, 1);
6072 vwrq->value = local->config.fragThresh;
6073 vwrq->disabled = (vwrq->value >= 2312);
6079 /*------------------------------------------------------------------*/
6081 * Wireless Handler : set Mode of Operation
6083 static int airo_set_mode(struct net_device *dev,
6084 struct iw_request_info *info,
6088 struct airo_info *local = dev->priv;
6091 readConfigRid(local, 1);
6092 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6097 local->config.opmode &= 0xFF00;
6098 local->config.opmode |= MODE_STA_IBSS;
6099 local->config.rmode &= 0xfe00;
6100 local->config.scanMode = SCANMODE_ACTIVE;
6101 clear_bit (FLAG_802_11, &local->flags);
6104 local->config.opmode &= 0xFF00;
6105 local->config.opmode |= MODE_STA_ESS;
6106 local->config.rmode &= 0xfe00;
6107 local->config.scanMode = SCANMODE_ACTIVE;
6108 clear_bit (FLAG_802_11, &local->flags);
6110 case IW_MODE_MASTER:
6111 local->config.opmode &= 0xFF00;
6112 local->config.opmode |= MODE_AP;
6113 local->config.rmode &= 0xfe00;
6114 local->config.scanMode = SCANMODE_ACTIVE;
6115 clear_bit (FLAG_802_11, &local->flags);
6117 case IW_MODE_REPEAT:
6118 local->config.opmode &= 0xFF00;
6119 local->config.opmode |= MODE_AP_RPTR;
6120 local->config.rmode &= 0xfe00;
6121 local->config.scanMode = SCANMODE_ACTIVE;
6122 clear_bit (FLAG_802_11, &local->flags);
6124 case IW_MODE_MONITOR:
6125 local->config.opmode &= 0xFF00;
6126 local->config.opmode |= MODE_STA_ESS;
6127 local->config.rmode &= 0xfe00;
6128 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6129 local->config.scanMode = SCANMODE_PASSIVE;
6130 set_bit (FLAG_802_11, &local->flags);
6136 set_bit (FLAG_RESET, &local->flags);
6137 set_bit (FLAG_COMMIT, &local->flags);
6139 return -EINPROGRESS; /* Call commit handler */
6142 /*------------------------------------------------------------------*/
6144 * Wireless Handler : get Mode of Operation
6146 static int airo_get_mode(struct net_device *dev,
6147 struct iw_request_info *info,
6151 struct airo_info *local = dev->priv;
6153 readConfigRid(local, 1);
6154 /* If not managed, assume it's ad-hoc */
6155 switch (local->config.opmode & 0xFF) {
6157 *uwrq = IW_MODE_INFRA;
6160 *uwrq = IW_MODE_MASTER;
6163 *uwrq = IW_MODE_REPEAT;
6166 *uwrq = IW_MODE_ADHOC;
6172 /*------------------------------------------------------------------*/
6174 * Wireless Handler : set Encryption Key
6176 static int airo_set_encode(struct net_device *dev,
6177 struct iw_request_info *info,
6178 struct iw_point *dwrq,
6181 struct airo_info *local = dev->priv;
6182 CapabilityRid cap_rid; /* Card capability info */
6184 /* Is WEP supported ? */
6185 readCapabilityRid(local, &cap_rid, 1);
6186 /* Older firmware doesn't support this...
6187 if(!(cap_rid.softCap & 2)) {
6190 readConfigRid(local, 1);
6192 /* Basic checking: do we have a key to set ?
6193 * Note : with the new API, it's impossible to get a NULL pointer.
6194 * Therefore, we need to check a key size == 0 instead.
6195 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6196 * when no key is present (only change flags), but older versions
6197 * don't do it. - Jean II */
6198 if (dwrq->length > 0) {
6200 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6201 int current_index = get_wep_key(local, 0xffff);
6202 /* Check the size of the key */
6203 if (dwrq->length > MAX_KEY_SIZE) {
6206 /* Check the index (none -> use current) */
6207 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6208 index = current_index;
6209 /* Set the length */
6210 if (dwrq->length > MIN_KEY_SIZE)
6211 key.len = MAX_KEY_SIZE;
6213 if (dwrq->length > 0)
6214 key.len = MIN_KEY_SIZE;
6216 /* Disable the key */
6218 /* Check if the key is not marked as invalid */
6219 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6221 memset(key.key, 0, MAX_KEY_SIZE);
6222 /* Copy the key in the driver */
6223 memcpy(key.key, extra, dwrq->length);
6224 /* Send the key to the card */
6225 set_wep_key(local, index, key.key, key.len, 1, 1);
6227 /* WE specify that if a valid key is set, encryption
6228 * should be enabled (user may turn it off later)
6229 * This is also how "iwconfig ethX key on" works */
6230 if((index == current_index) && (key.len > 0) &&
6231 (local->config.authType == AUTH_OPEN)) {
6232 local->config.authType = AUTH_ENCRYPT;
6233 set_bit (FLAG_COMMIT, &local->flags);
6236 /* Do we want to just set the transmit key index ? */
6237 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6238 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6239 set_wep_key(local, index, NULL, 0, 1, 1);
6241 /* Don't complain if only change the mode */
6242 if(!dwrq->flags & IW_ENCODE_MODE) {
6246 /* Read the flags */
6247 if(dwrq->flags & IW_ENCODE_DISABLED)
6248 local->config.authType = AUTH_OPEN; // disable encryption
6249 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6250 local->config.authType = AUTH_SHAREDKEY; // Only Both
6251 if(dwrq->flags & IW_ENCODE_OPEN)
6252 local->config.authType = AUTH_ENCRYPT; // Only Wep
6253 /* Commit the changes to flags if needed */
6254 if(dwrq->flags & IW_ENCODE_MODE)
6255 set_bit (FLAG_COMMIT, &local->flags);
6256 return -EINPROGRESS; /* Call commit handler */
6259 /*------------------------------------------------------------------*/
6261 * Wireless Handler : get Encryption Key
6263 static int airo_get_encode(struct net_device *dev,
6264 struct iw_request_info *info,
6265 struct iw_point *dwrq,
6268 struct airo_info *local = dev->priv;
6269 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6270 CapabilityRid cap_rid; /* Card capability info */
6272 /* Is it supported ? */
6273 readCapabilityRid(local, &cap_rid, 1);
6274 if(!(cap_rid.softCap & 2)) {
6277 readConfigRid(local, 1);
6278 /* Check encryption mode */
6279 switch(local->config.authType) {
6281 dwrq->flags = IW_ENCODE_OPEN;
6283 case AUTH_SHAREDKEY:
6284 dwrq->flags = IW_ENCODE_RESTRICTED;
6288 dwrq->flags = IW_ENCODE_DISABLED;
6291 /* We can't return the key, so set the proper flag and return zero */
6292 dwrq->flags |= IW_ENCODE_NOKEY;
6293 memset(extra, 0, 16);
6295 /* Which key do we want ? -1 -> tx index */
6296 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6297 index = get_wep_key(local, 0xffff);
6298 dwrq->flags |= index + 1;
6299 /* Copy the key to the user buffer */
6300 dwrq->length = get_wep_key(local, index);
6301 if (dwrq->length > 16) {
6307 /*------------------------------------------------------------------*/
6309 * Wireless Handler : set Tx-Power
6311 static int airo_set_txpow(struct net_device *dev,
6312 struct iw_request_info *info,
6313 struct iw_param *vwrq,
6316 struct airo_info *local = dev->priv;
6317 CapabilityRid cap_rid; /* Card capability info */
6321 readCapabilityRid(local, &cap_rid, 1);
6323 if (vwrq->disabled) {
6324 set_bit (FLAG_RADIO_OFF, &local->flags);
6325 set_bit (FLAG_COMMIT, &local->flags);
6326 return -EINPROGRESS; /* Call commit handler */
6328 if (vwrq->flags != IW_TXPOW_MWATT) {
6331 clear_bit (FLAG_RADIO_OFF, &local->flags);
6332 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6333 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6334 readConfigRid(local, 1);
6335 local->config.txPower = vwrq->value;
6336 set_bit (FLAG_COMMIT, &local->flags);
6337 rc = -EINPROGRESS; /* Call commit handler */
6343 /*------------------------------------------------------------------*/
6345 * Wireless Handler : get Tx-Power
6347 static int airo_get_txpow(struct net_device *dev,
6348 struct iw_request_info *info,
6349 struct iw_param *vwrq,
6352 struct airo_info *local = dev->priv;
6354 readConfigRid(local, 1);
6355 vwrq->value = local->config.txPower;
6356 vwrq->fixed = 1; /* No power control */
6357 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6358 vwrq->flags = IW_TXPOW_MWATT;
6363 /*------------------------------------------------------------------*/
6365 * Wireless Handler : set Retry limits
6367 static int airo_set_retry(struct net_device *dev,
6368 struct iw_request_info *info,
6369 struct iw_param *vwrq,
6372 struct airo_info *local = dev->priv;
6375 if(vwrq->disabled) {
6378 readConfigRid(local, 1);
6379 if(vwrq->flags & IW_RETRY_LIMIT) {
6380 if(vwrq->flags & IW_RETRY_MAX)
6381 local->config.longRetryLimit = vwrq->value;
6382 else if (vwrq->flags & IW_RETRY_MIN)
6383 local->config.shortRetryLimit = vwrq->value;
6385 /* No modifier : set both */
6386 local->config.longRetryLimit = vwrq->value;
6387 local->config.shortRetryLimit = vwrq->value;
6389 set_bit (FLAG_COMMIT, &local->flags);
6390 rc = -EINPROGRESS; /* Call commit handler */
6392 if(vwrq->flags & IW_RETRY_LIFETIME) {
6393 local->config.txLifetime = vwrq->value / 1024;
6394 set_bit (FLAG_COMMIT, &local->flags);
6395 rc = -EINPROGRESS; /* Call commit handler */
6400 /*------------------------------------------------------------------*/
6402 * Wireless Handler : get Retry limits
6404 static int airo_get_retry(struct net_device *dev,
6405 struct iw_request_info *info,
6406 struct iw_param *vwrq,
6409 struct airo_info *local = dev->priv;
6411 vwrq->disabled = 0; /* Can't be disabled */
6413 readConfigRid(local, 1);
6414 /* Note : by default, display the min retry number */
6415 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6416 vwrq->flags = IW_RETRY_LIFETIME;
6417 vwrq->value = (int)local->config.txLifetime * 1024;
6418 } else if((vwrq->flags & IW_RETRY_MAX)) {
6419 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6420 vwrq->value = (int)local->config.longRetryLimit;
6422 vwrq->flags = IW_RETRY_LIMIT;
6423 vwrq->value = (int)local->config.shortRetryLimit;
6424 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6425 vwrq->flags |= IW_RETRY_MIN;
6431 /*------------------------------------------------------------------*/
6433 * Wireless Handler : get range info
6435 static int airo_get_range(struct net_device *dev,
6436 struct iw_request_info *info,
6437 struct iw_point *dwrq,
6440 struct airo_info *local = dev->priv;
6441 struct iw_range *range = (struct iw_range *) extra;
6442 CapabilityRid cap_rid; /* Card capability info */
6446 readCapabilityRid(local, &cap_rid, 1);
6448 dwrq->length = sizeof(struct iw_range);
6449 memset(range, 0, sizeof(*range));
6450 range->min_nwid = 0x0000;
6451 range->max_nwid = 0x0000;
6452 range->num_channels = 14;
6453 /* Should be based on cap_rid.country to give only
6454 * what the current card support */
6456 for(i = 0; i < 14; i++) {
6457 range->freq[k].i = i + 1; /* List index */
6458 range->freq[k].m = frequency_list[i] * 100000;
6459 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6461 range->num_frequency = k;
6463 range->sensitivity = 65535;
6465 /* Hum... Should put the right values there */
6467 range->max_qual.qual = 100; /* % */
6469 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6470 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6471 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6473 /* Experimental measurements - boundary 11/5.5 Mb/s */
6474 /* Note : with or without the (local->rssi), results
6475 * are somewhat different. - Jean II */
6477 range->avg_qual.qual = 50; /* % */
6478 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6480 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6481 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6483 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6485 for(i = 0 ; i < 8 ; i++) {
6486 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6487 if(range->bitrate[i] == 0)
6490 range->num_bitrates = i;
6492 /* Set an indication of the max TCP throughput
6493 * in bit/s that we can expect using this interface.
6494 * May be use for QoS stuff... Jean II */
6496 range->throughput = 5000 * 1000;
6498 range->throughput = 1500 * 1000;
6501 range->max_rts = 2312;
6502 range->min_frag = 256;
6503 range->max_frag = 2312;
6505 if(cap_rid.softCap & 2) {
6507 range->encoding_size[0] = 5;
6509 if (cap_rid.softCap & 0x100) {
6510 range->encoding_size[1] = 13;
6511 range->num_encoding_sizes = 2;
6513 range->num_encoding_sizes = 1;
6514 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6516 range->num_encoding_sizes = 0;
6517 range->max_encoding_tokens = 0;
6520 range->max_pmp = 5000000; /* 5 secs */
6522 range->max_pmt = 65535 * 1024; /* ??? */
6523 range->pmp_flags = IW_POWER_PERIOD;
6524 range->pmt_flags = IW_POWER_TIMEOUT;
6525 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6527 /* Transmit Power - values are in mW */
6528 for(i = 0 ; i < 8 ; i++) {
6529 range->txpower[i] = cap_rid.txPowerLevels[i];
6530 if(range->txpower[i] == 0)
6533 range->num_txpower = i;
6534 range->txpower_capa = IW_TXPOW_MWATT;
6535 range->we_version_source = 12;
6536 range->we_version_compiled = WIRELESS_EXT;
6537 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6538 range->retry_flags = IW_RETRY_LIMIT;
6539 range->r_time_flags = IW_RETRY_LIFETIME;
6540 range->min_retry = 1;
6541 range->max_retry = 65535;
6542 range->min_r_time = 1024;
6543 range->max_r_time = 65535 * 1024;
6545 /* Event capability (kernel + driver) */
6546 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6547 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6548 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6549 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6550 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6551 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6555 /*------------------------------------------------------------------*/
6557 * Wireless Handler : set Power Management
6559 static int airo_set_power(struct net_device *dev,
6560 struct iw_request_info *info,
6561 struct iw_param *vwrq,
6564 struct airo_info *local = dev->priv;
6566 readConfigRid(local, 1);
6567 if (vwrq->disabled) {
6568 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6571 local->config.powerSaveMode = POWERSAVE_CAM;
6572 local->config.rmode &= 0xFF00;
6573 local->config.rmode |= RXMODE_BC_MC_ADDR;
6574 set_bit (FLAG_COMMIT, &local->flags);
6575 return -EINPROGRESS; /* Call commit handler */
6577 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6578 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6579 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6580 set_bit (FLAG_COMMIT, &local->flags);
6581 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6582 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6583 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6584 set_bit (FLAG_COMMIT, &local->flags);
6586 switch (vwrq->flags & IW_POWER_MODE) {
6587 case IW_POWER_UNICAST_R:
6588 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6591 local->config.rmode &= 0xFF00;
6592 local->config.rmode |= RXMODE_ADDR;
6593 set_bit (FLAG_COMMIT, &local->flags);
6595 case IW_POWER_ALL_R:
6596 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6599 local->config.rmode &= 0xFF00;
6600 local->config.rmode |= RXMODE_BC_MC_ADDR;
6601 set_bit (FLAG_COMMIT, &local->flags);
6607 // Note : we may want to factor local->need_commit here
6608 // Note2 : may also want to factor RXMODE_RFMON test
6609 return -EINPROGRESS; /* Call commit handler */
6612 /*------------------------------------------------------------------*/
6614 * Wireless Handler : get Power Management
6616 static int airo_get_power(struct net_device *dev,
6617 struct iw_request_info *info,
6618 struct iw_param *vwrq,
6621 struct airo_info *local = dev->priv;
6624 readConfigRid(local, 1);
6625 mode = local->config.powerSaveMode;
6626 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
6628 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6629 vwrq->value = (int)local->config.fastListenDelay * 1024;
6630 vwrq->flags = IW_POWER_TIMEOUT;
6632 vwrq->value = (int)local->config.fastListenInterval * 1024;
6633 vwrq->flags = IW_POWER_PERIOD;
6635 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
6636 vwrq->flags |= IW_POWER_UNICAST_R;
6638 vwrq->flags |= IW_POWER_ALL_R;
6643 /*------------------------------------------------------------------*/
6645 * Wireless Handler : set Sensitivity
6647 static int airo_set_sens(struct net_device *dev,
6648 struct iw_request_info *info,
6649 struct iw_param *vwrq,
6652 struct airo_info *local = dev->priv;
6654 readConfigRid(local, 1);
6655 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
6656 set_bit (FLAG_COMMIT, &local->flags);
6658 return -EINPROGRESS; /* Call commit handler */
6661 /*------------------------------------------------------------------*/
6663 * Wireless Handler : get Sensitivity
6665 static int airo_get_sens(struct net_device *dev,
6666 struct iw_request_info *info,
6667 struct iw_param *vwrq,
6670 struct airo_info *local = dev->priv;
6672 readConfigRid(local, 1);
6673 vwrq->value = local->config.rssiThreshold;
6674 vwrq->disabled = (vwrq->value == 0);
6680 /*------------------------------------------------------------------*/
6682 * Wireless Handler : get AP List
6683 * Note : this is deprecated in favor of IWSCAN
6685 static int airo_get_aplist(struct net_device *dev,
6686 struct iw_request_info *info,
6687 struct iw_point *dwrq,
6690 struct airo_info *local = dev->priv;
6691 struct sockaddr *address = (struct sockaddr *) extra;
6692 struct iw_quality qual[IW_MAX_AP];
6695 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
6697 for (i = 0; i < IW_MAX_AP; i++) {
6698 if (readBSSListRid(local, loseSync, &BSSList))
6701 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
6702 address[i].sa_family = ARPHRD_ETHER;
6704 qual[i].level = 0x100 - BSSList.dBm;
6705 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
6706 qual[i].updated = IW_QUAL_QUAL_UPDATED
6707 | IW_QUAL_LEVEL_UPDATED
6710 qual[i].level = (BSSList.dBm + 321) / 2;
6712 qual[i].updated = IW_QUAL_QUAL_INVALID
6713 | IW_QUAL_LEVEL_UPDATED
6716 qual[i].noise = local->wstats.qual.noise;
6717 if (BSSList.index == 0xffff)
6721 StatusRid status_rid; /* Card status info */
6722 readStatusRid(local, &status_rid, 1);
6724 i < min(IW_MAX_AP, 4) &&
6725 (status_rid.bssid[i][0]
6726 & status_rid.bssid[i][1]
6727 & status_rid.bssid[i][2]
6728 & status_rid.bssid[i][3]
6729 & status_rid.bssid[i][4]
6730 & status_rid.bssid[i][5])!=0xff &&
6731 (status_rid.bssid[i][0]
6732 | status_rid.bssid[i][1]
6733 | status_rid.bssid[i][2]
6734 | status_rid.bssid[i][3]
6735 | status_rid.bssid[i][4]
6736 | status_rid.bssid[i][5]);
6738 memcpy(address[i].sa_data,
6739 status_rid.bssid[i], ETH_ALEN);
6740 address[i].sa_family = ARPHRD_ETHER;
6743 dwrq->flags = 1; /* Should be define'd */
6744 memcpy(extra + sizeof(struct sockaddr)*i,
6745 &qual, sizeof(struct iw_quality)*i);
6752 /*------------------------------------------------------------------*/
6754 * Wireless Handler : Initiate Scan
6756 static int airo_set_scan(struct net_device *dev,
6757 struct iw_request_info *info,
6758 struct iw_param *vwrq,
6761 struct airo_info *ai = dev->priv;
6765 /* Note : you may have realised that, as this is a SET operation,
6766 * this is privileged and therefore a normal user can't
6768 * This is not an error, while the device perform scanning,
6769 * traffic doesn't flow, so it's a perfect DoS...
6771 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
6773 /* Initiate a scan command */
6774 memset(&cmd, 0, sizeof(cmd));
6775 cmd.cmd=CMD_LISTBSS;
6776 if (down_interruptible(&ai->sem))
6777 return -ERESTARTSYS;
6778 issuecommand(ai, &cmd, &rsp);
6779 ai->scan_timestamp = jiffies;
6782 /* At this point, just return to the user. */
6787 /*------------------------------------------------------------------*/
6789 * Translate scan data returned from the card to a card independent
6790 * format that the Wireless Tools will understand - Jean II
6792 static inline char *airo_translate_scan(struct net_device *dev,
6797 struct airo_info *ai = dev->priv;
6798 struct iw_event iwe; /* Temporary buffer */
6800 char * current_val; /* For rates */
6803 /* First entry *MUST* be the AP MAC address */
6804 iwe.cmd = SIOCGIWAP;
6805 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
6806 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
6807 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
6809 /* Other entries will be displayed in the order we give them */
6812 iwe.u.data.length = bss->ssidLen;
6813 if(iwe.u.data.length > 32)
6814 iwe.u.data.length = 32;
6815 iwe.cmd = SIOCGIWESSID;
6816 iwe.u.data.flags = 1;
6817 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6820 iwe.cmd = SIOCGIWMODE;
6821 capabilities = le16_to_cpu(bss->cap);
6822 if(capabilities & (CAP_ESS | CAP_IBSS)) {
6823 if(capabilities & CAP_ESS)
6824 iwe.u.mode = IW_MODE_MASTER;
6826 iwe.u.mode = IW_MODE_ADHOC;
6827 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
6831 iwe.cmd = SIOCGIWFREQ;
6832 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
6833 /* iwe.u.freq.m containt the channel (starting 1), our
6834 * frequency_list array start at index 0...
6836 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
6838 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
6840 /* Add quality statistics */
6843 iwe.u.qual.level = 0x100 - bss->dBm;
6844 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
6845 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
6846 | IW_QUAL_LEVEL_UPDATED
6849 iwe.u.qual.level = (bss->dBm + 321) / 2;
6850 iwe.u.qual.qual = 0;
6851 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
6852 | IW_QUAL_LEVEL_UPDATED
6855 iwe.u.qual.noise = ai->wstats.qual.noise;
6856 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
6858 /* Add encryption capability */
6859 iwe.cmd = SIOCGIWENCODE;
6860 if(capabilities & CAP_PRIVACY)
6861 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
6863 iwe.u.data.flags = IW_ENCODE_DISABLED;
6864 iwe.u.data.length = 0;
6865 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
6867 /* Rate : stuffing multiple values in a single event require a bit
6868 * more of magic - Jean II */
6869 current_val = current_ev + IW_EV_LCP_LEN;
6871 iwe.cmd = SIOCGIWRATE;
6872 /* Those two flags are ignored... */
6873 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
6875 for(i = 0 ; i < 8 ; i++) {
6876 /* NULL terminated */
6877 if(bss->rates[i] == 0)
6879 /* Bit rate given in 500 kb/s units (+ 0x80) */
6880 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
6881 /* Add new value to event */
6882 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
6884 /* Check if we added any event */
6885 if((current_val - current_ev) > IW_EV_LCP_LEN)
6886 current_ev = current_val;
6888 /* The other data in the scan result are not really
6889 * interesting, so for now drop it - Jean II */
6893 /*------------------------------------------------------------------*/
6895 * Wireless Handler : Read Scan Results
6897 static int airo_get_scan(struct net_device *dev,
6898 struct iw_request_info *info,
6899 struct iw_point *dwrq,
6902 struct airo_info *ai = dev->priv;
6905 char *current_ev = extra;
6907 /* When we are associated again, the scan has surely finished.
6908 * Just in case, let's make sure enough time has elapsed since
6909 * we started the scan. - Javier */
6910 if(ai->scan_timestamp && time_before(jiffies,ai->scan_timestamp+3*HZ)) {
6911 /* Important note : we don't want to block the caller
6912 * until results are ready for various reasons.
6913 * First, managing wait queues is complex and racy
6914 * (there may be multiple simultaneous callers).
6915 * Second, we grab some rtnetlink lock before comming
6916 * here (in dev_ioctl()).
6917 * Third, the caller can wait on the Wireless Event
6921 ai->scan_timestamp = 0;
6923 /* There's only a race with proc_BSSList_open(), but its
6924 * consequences are begnign. So I don't bother fixing it - Javier */
6926 /* Try to read the first entry of the scan result */
6927 rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 1);
6928 if((rc) || (BSSList.index == 0xffff)) {
6929 /* Client error, no scan results...
6930 * The caller need to restart the scan. */
6934 /* Read and parse all entries */
6935 while((!rc) && (BSSList.index != 0xffff)) {
6936 /* Translate to WE format this entry */
6937 current_ev = airo_translate_scan(dev, current_ev,
6938 extra + dwrq->length,
6941 /* Check if there is space for one more entry */
6942 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
6943 /* Ask user space to try again with a bigger buffer */
6947 /* Read next entry */
6948 rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
6949 &BSSList, sizeof(BSSList), 1);
6951 /* Length of data */
6952 dwrq->length = (current_ev - extra);
6953 dwrq->flags = 0; /* todo */
6958 /*------------------------------------------------------------------*/
6960 * Commit handler : called after a bunch of SET operations
6962 static int airo_config_commit(struct net_device *dev,
6963 struct iw_request_info *info, /* NULL */
6964 void *zwrq, /* NULL */
6965 char *extra) /* NULL */
6967 struct airo_info *local = dev->priv;
6970 if (!test_bit (FLAG_COMMIT, &local->flags))
6973 /* Some of the "SET" function may have modified some of the
6974 * parameters. It's now time to commit them in the card */
6975 disable_MAC(local, 1);
6976 if (test_bit (FLAG_RESET, &local->flags)) {
6977 APListRid APList_rid;
6980 readAPListRid(local, &APList_rid);
6981 readSsidRid(local, &SSID_rid);
6982 if (test_bit(FLAG_MPI,&local->flags))
6983 setup_card(local, dev->dev_addr, 1 );
6985 reset_airo_card(dev);
6986 disable_MAC(local, 1);
6987 writeSsidRid(local, &SSID_rid, 1);
6988 writeAPListRid(local, &APList_rid, 1);
6990 if (down_interruptible(&local->sem))
6991 return -ERESTARTSYS;
6992 writeConfigRid(local, 0);
6993 enable_MAC(local, &rsp, 0);
6994 if (test_bit (FLAG_RESET, &local->flags))
6995 airo_set_promisc(local);
7002 /*------------------------------------------------------------------*/
7004 * Structures to export the Wireless Handlers
7007 static const struct iw_priv_args airo_private_args[] = {
7008 /*{ cmd, set_args, get_args, name } */
7009 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7010 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7011 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7012 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7015 static const iw_handler airo_handler[] =
7017 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7018 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7019 (iw_handler) NULL, /* SIOCSIWNWID */
7020 (iw_handler) NULL, /* SIOCGIWNWID */
7021 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7022 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7023 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7024 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7025 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7026 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7027 (iw_handler) NULL, /* SIOCSIWRANGE */
7028 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7029 (iw_handler) NULL, /* SIOCSIWPRIV */
7030 (iw_handler) NULL, /* SIOCGIWPRIV */
7031 (iw_handler) NULL, /* SIOCSIWSTATS */
7032 (iw_handler) NULL, /* SIOCGIWSTATS */
7033 iw_handler_set_spy, /* SIOCSIWSPY */
7034 iw_handler_get_spy, /* SIOCGIWSPY */
7035 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7036 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7037 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7038 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7039 (iw_handler) NULL, /* -- hole -- */
7040 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7041 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7042 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7043 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7044 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7045 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7046 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7047 (iw_handler) NULL, /* -- hole -- */
7048 (iw_handler) NULL, /* -- hole -- */
7049 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7050 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7051 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7052 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7053 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7054 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7055 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7056 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7057 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7058 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7059 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7060 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7061 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7062 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7065 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7066 * We want to force the use of the ioctl code, because those can't be
7067 * won't work the iw_handler code (because they simultaneously read
7068 * and write data and iw_handler can't do that).
7069 * Note that it's perfectly legal to read/write on a single ioctl command,
7070 * you just can't use iwpriv and need to force it via the ioctl handler.
7072 static const iw_handler airo_private_handler[] =
7074 NULL, /* SIOCIWFIRSTPRIV */
7077 static const struct iw_handler_def airo_handler_def =
7079 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7080 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7081 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7082 .standard = airo_handler,
7083 .private = airo_private_handler,
7084 .private_args = airo_private_args,
7085 .get_wireless_stats = airo_get_wireless_stats,
7089 * This defines the configuration part of the Wireless Extensions
7090 * Note : irq and spinlock protection will occur in the subroutines
7093 * o Check input value more carefully and fill correct values in range
7094 * o Test and shakeout the bugs (if any)
7098 * Javier Achirica did a great job of merging code from the unnamed CISCO
7099 * developer that added support for flashing the card.
7101 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7104 struct airo_info *ai = (struct airo_info *)dev->priv;
7106 if (ai->power.event)
7116 int val = AIROMAGIC;
7118 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7120 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7129 /* Get the command struct and hand it off for evaluation by
7130 * the proper subfunction
7134 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7139 /* Separate R/W functions bracket legality here
7141 if ( com.command == AIRORSWVERSION ) {
7142 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7147 else if ( com.command <= AIRORRID)
7148 rc = readrids(dev,&com);
7149 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7150 rc = writerids(dev,&com);
7151 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7152 rc = flashcard(dev,&com);
7154 rc = -EINVAL; /* Bad command in ioctl */
7157 #endif /* CISCO_EXT */
7159 // All other calls are currently unsupported
7167 * Get the Wireless stats out of the driver
7168 * Note : irq and spinlock protection will occur in the subroutines
7171 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7175 static void airo_read_wireless_stats(struct airo_info *local)
7177 StatusRid status_rid;
7179 CapabilityRid cap_rid;
7180 u32 *vals = stats_rid.vals;
7182 /* Get stats out of the card */
7183 clear_bit(JOB_WSTATS, &local->flags);
7184 if (local->power.event) {
7188 readCapabilityRid(local, &cap_rid, 0);
7189 readStatusRid(local, &status_rid, 0);
7190 readStatsRid(local, &stats_rid, RID_STATS, 0);
7194 local->wstats.status = status_rid.mode;
7196 /* Signal quality and co */
7198 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7199 /* normalizedSignalStrength appears to be a percentage */
7200 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7202 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7203 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7205 if (status_rid.len >= 124) {
7206 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7207 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7209 local->wstats.qual.noise = 0;
7210 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7213 /* Packets discarded in the wireless adapter due to wireless
7214 * specific problems */
7215 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7216 local->wstats.discard.code = vals[6];/* RxWepErr */
7217 local->wstats.discard.fragment = vals[30];
7218 local->wstats.discard.retries = vals[10];
7219 local->wstats.discard.misc = vals[1] + vals[32];
7220 local->wstats.miss.beacon = vals[34];
7223 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7225 struct airo_info *local = dev->priv;
7227 if (!test_bit(JOB_WSTATS, &local->flags)) {
7228 /* Get stats out of the card if available */
7229 if (down_trylock(&local->sem) != 0) {
7230 set_bit(JOB_WSTATS, &local->flags);
7231 wake_up_interruptible(&local->thr_wait);
7233 airo_read_wireless_stats(local);
7236 return &local->wstats;
7241 * This just translates from driver IOCTL codes to the command codes to
7242 * feed to the radio's host interface. Things can be added/deleted
7243 * as needed. This represents the READ side of control I/O to
7246 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7247 unsigned short ridcode;
7248 unsigned char *iobuf;
7250 struct airo_info *ai = dev->priv;
7253 if (test_bit(FLAG_FLASHING, &ai->flags))
7256 switch(comp->command)
7258 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7259 case AIROGCFG: ridcode = RID_CONFIG;
7260 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7261 disable_MAC (ai, 1);
7262 writeConfigRid (ai, 1);
7263 enable_MAC (ai, &rsp, 1);
7266 case AIROGSLIST: ridcode = RID_SSID; break;
7267 case AIROGVLIST: ridcode = RID_APLIST; break;
7268 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7269 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7270 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7271 /* Only super-user can read WEP keys */
7272 if (!capable(CAP_NET_ADMIN))
7275 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7276 /* Only super-user can read WEP keys */
7277 if (!capable(CAP_NET_ADMIN))
7280 case AIROGSTAT: ridcode = RID_STATUS; break;
7281 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7282 case AIROGSTATSC32: ridcode = RID_STATS; break;
7285 if (copy_to_user(comp->data, &ai->micstats,
7286 min((int)comp->len,(int)sizeof(ai->micstats))))
7290 case AIRORRID: ridcode = comp->ridnum; break;
7296 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7299 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7300 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7301 * then return it to the user
7302 * 9/22/2000 Honor user given length
7306 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7315 * Danger Will Robinson write the rids here
7318 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7319 struct airo_info *ai = dev->priv;
7325 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7326 unsigned char *iobuf;
7328 /* Only super-user can write RIDs */
7329 if (!capable(CAP_NET_ADMIN))
7332 if (test_bit(FLAG_FLASHING, &ai->flags))
7336 writer = do_writerid;
7338 switch(comp->command)
7340 case AIROPSIDS: ridcode = RID_SSID; break;
7341 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7342 case AIROPAPLIST: ridcode = RID_APLIST; break;
7343 case AIROPCFG: ai->config.len = 0;
7344 clear_bit(FLAG_COMMIT, &ai->flags);
7345 ridcode = RID_CONFIG; break;
7346 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7347 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7348 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7349 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7351 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7352 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7354 /* this is not really a rid but a command given to the card
7358 if (enable_MAC(ai, &rsp, 1) != 0)
7363 * Evidently this code in the airo driver does not get a symbol
7364 * as disable_MAC. it's probably so short the compiler does not gen one.
7370 /* This command merely clears the counts does not actually store any data
7371 * only reads rid. But as it changes the cards state, I put it in the
7372 * writerid routines.
7375 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7378 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7381 enabled = ai->micstats.enabled;
7382 memset(&ai->micstats,0,sizeof(ai->micstats));
7383 ai->micstats.enabled = enabled;
7386 if (copy_to_user(comp->data, iobuf,
7387 min((int)comp->len, (int)RIDSIZE))) {
7395 return -EOPNOTSUPP; /* Blarg! */
7397 if(comp->len > RIDSIZE)
7400 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7403 if (copy_from_user(iobuf,comp->data,comp->len)) {
7408 if (comp->command == AIROPCFG) {
7409 ConfigRid *cfg = (ConfigRid *)iobuf;
7411 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7412 cfg->opmode |= MODE_MIC;
7414 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7415 set_bit (FLAG_ADHOC, &ai->flags);
7417 clear_bit (FLAG_ADHOC, &ai->flags);
7420 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7428 /*****************************************************************************
7429 * Ancillary flash / mod functions much black magic lurkes here *
7430 *****************************************************************************
7434 * Flash command switch table
7437 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7440 /* Only super-user can modify flash */
7441 if (!capable(CAP_NET_ADMIN))
7444 switch(comp->command)
7447 return cmdreset((struct airo_info *)dev->priv);
7450 if (!((struct airo_info *)dev->priv)->flash &&
7451 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7453 return setflashmode((struct airo_info *)dev->priv);
7455 case AIROFLSHGCHR: /* Get char from aux */
7456 if(comp->len != sizeof(int))
7458 if (copy_from_user(&z,comp->data,comp->len))
7460 return flashgchar((struct airo_info *)dev->priv,z,8000);
7462 case AIROFLSHPCHR: /* Send char to card. */
7463 if(comp->len != sizeof(int))
7465 if (copy_from_user(&z,comp->data,comp->len))
7467 return flashpchar((struct airo_info *)dev->priv,z,8000);
7469 case AIROFLPUTBUF: /* Send 32k to card */
7470 if (!((struct airo_info *)dev->priv)->flash)
7472 if(comp->len > FLASHSIZE)
7474 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7477 flashputbuf((struct airo_info *)dev->priv);
7481 if(flashrestart((struct airo_info *)dev->priv,dev))
7488 #define FLASH_COMMAND 0x7e7e
7492 * Disable MAC and do soft reset on
7496 static int cmdreset(struct airo_info *ai) {
7500 printk(KERN_INFO "Waitbusy hang before RESET\n");
7504 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7506 ssleep(1); /* WAS 600 12/7/00 */
7509 printk(KERN_INFO "Waitbusy hang AFTER RESET\n");
7516 * Put the card in legendary flash
7520 static int setflashmode (struct airo_info *ai) {
7521 set_bit (FLAG_FLASHING, &ai->flags);
7523 OUT4500(ai, SWS0, FLASH_COMMAND);
7524 OUT4500(ai, SWS1, FLASH_COMMAND);
7526 OUT4500(ai, SWS0, FLASH_COMMAND);
7527 OUT4500(ai, COMMAND,0x10);
7529 OUT4500(ai, SWS2, FLASH_COMMAND);
7530 OUT4500(ai, SWS3, FLASH_COMMAND);
7531 OUT4500(ai, COMMAND,0);
7533 msleep(500); /* 500ms delay */
7536 clear_bit (FLAG_FLASHING, &ai->flags);
7537 printk(KERN_INFO "Waitbusy hang after setflash mode\n");
7543 /* Put character to SWS0 wait for dwelltime
7547 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7558 /* Wait for busy bit d15 to go false indicating buffer empty */
7559 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
7564 /* timeout for busy clear wait */
7566 printk(KERN_INFO "flash putchar busywait timeout! \n");
7570 /* Port is clear now write byte and wait for it to echo back */
7572 OUT4500(ai,SWS0,byte);
7575 echo = IN4500(ai,SWS1);
7576 } while (dwelltime >= 0 && echo != byte);
7580 return (echo == byte) ? 0 : -EIO;
7584 * Get a character from the card matching matchbyte
7587 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
7589 unsigned char rbyte=0;
7592 rchar = IN4500(ai,SWS1);
7594 if(dwelltime && !(0x8000 & rchar)){
7599 rbyte = 0xff & rchar;
7601 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
7605 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
7609 }while(dwelltime > 0);
7614 * Transfer 32k of firmware data from user buffer to our buffer and
7618 static int flashputbuf(struct airo_info *ai){
7622 if (test_bit(FLAG_MPI,&ai->flags))
7623 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
7625 OUT4500(ai,AUXPAGE,0x100);
7626 OUT4500(ai,AUXOFF,0);
7628 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
7629 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
7632 OUT4500(ai,SWS0,0x8000);
7640 static int flashrestart(struct airo_info *ai,struct net_device *dev){
7643 ssleep(1); /* Added 12/7/00 */
7644 clear_bit (FLAG_FLASHING, &ai->flags);
7645 if (test_bit(FLAG_MPI, &ai->flags)) {
7646 status = mpi_init_descriptors(ai);
7647 if (status != SUCCESS)
7650 status = setup_card(ai, dev->dev_addr, 1);
7652 if (!test_bit(FLAG_MPI,&ai->flags))
7653 for( i = 0; i < MAX_FIDS; i++ ) {
7654 ai->fids[i] = transmit_allocate
7655 ( ai, 2312, i >= MAX_FIDS / 2 );
7658 ssleep(1); /* Added 12/7/00 */
7661 #endif /* CISCO_EXT */
7664 This program is free software; you can redistribute it and/or
7665 modify it under the terms of the GNU General Public License
7666 as published by the Free Software Foundation; either version 2
7667 of the License, or (at your option) any later version.
7669 This program is distributed in the hope that it will be useful,
7670 but WITHOUT ANY WARRANTY; without even the implied warranty of
7671 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7672 GNU General Public License for more details.
7676 Redistribution and use in source and binary forms, with or without
7677 modification, are permitted provided that the following conditions
7680 1. Redistributions of source code must retain the above copyright
7681 notice, this list of conditions and the following disclaimer.
7682 2. Redistributions in binary form must reproduce the above copyright
7683 notice, this list of conditions and the following disclaimer in the
7684 documentation and/or other materials provided with the distribution.
7685 3. The name of the author may not be used to endorse or promote
7686 products derived from this software without specific prior written
7689 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
7690 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7691 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
7692 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
7693 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
7694 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
7695 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
7696 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
7697 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
7698 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
7699 POSSIBILITY OF SUCH DAMAGE.
7702 module_init(airo_init_module);
7703 module_exit(airo_cleanup_module);