1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/config.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
39 #include <asm/system.h>
41 #include <linux/netdevice.h>
42 #include <linux/etherdevice.h>
43 #include <linux/skbuff.h>
44 #include <linux/if_arp.h>
45 #include <linux/ioport.h>
46 #include <linux/pci.h>
47 #include <asm/uaccess.h>
50 static struct pci_device_id card_ids[] = {
51 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
52 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
53 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
54 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
55 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
56 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
57 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
60 MODULE_DEVICE_TABLE(pci, card_ids);
62 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
63 static void airo_pci_remove(struct pci_dev *);
64 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
65 static int airo_pci_resume(struct pci_dev *pdev);
67 static struct pci_driver airo_driver = {
70 .probe = airo_pci_probe,
71 .remove = __devexit_p(airo_pci_remove),
72 .suspend = airo_pci_suspend,
73 .resume = airo_pci_resume,
75 #endif /* CONFIG_PCI */
77 /* Include Wireless Extension definition and check version - Jean II */
78 #include <linux/wireless.h>
79 #define WIRELESS_SPY // enable iwspy support
80 #include <net/iw_handler.h> // New driver API
82 #define CISCO_EXT // enable Cisco extensions
84 #include <linux/delay.h>
87 /* Support Cisco MIC feature */
90 #if defined(MICSUPPORT) && !defined(CONFIG_CRYPTO)
91 #warning MIC support requires Crypto API
95 /* Hack to do some power saving */
98 /* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
104 #define IGNLABEL(comment) NULL
105 static char *statsLabels[] = {
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
208 #define RUN_AT(x) (jiffies+(x))
212 /* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
217 static int basic_rate;
218 static char *ssids[3];
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe = 1;
234 static int proc_uid /* = 0 */;
236 static int proc_gid /* = 0 */;
238 static int airo_perm = 0555;
240 static int proc_perm = 0644;
242 MODULE_AUTHOR("Benjamin Reed");
243 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246 MODULE_LICENSE("Dual BSD/GPL");
247 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248 module_param_array(io, int, NULL, 0);
249 module_param_array(irq, int, NULL, 0);
250 module_param(basic_rate, int, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255 the authentication options until an association is made. The value of \
256 auto_wep is number of the wep keys to check. A value of 2 will try using \
257 the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260 than seems to work better for older cards with some older buses. Before \
261 switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265 Older cards used to be limited to 2mbs (4).");
266 module_param(adhoc, int, 0);
267 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268 module_param(probe, int, 0);
269 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271 module_param(proc_uid, int, 0);
272 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273 module_param(proc_gid, int, 0);
274 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275 module_param(airo_perm, int, 0);
276 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277 module_param(proc_perm, int, 0);
278 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280 /* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283 static int do8bitIO = 0;
292 #define MAC_ENABLE 0x0001
293 #define MAC_DISABLE 0x0002
294 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295 #define CMD_SOFTRESET 0x0004
296 #define HOSTSLEEP 0x0005
297 #define CMD_MAGIC_PKT 0x0006
298 #define CMD_SETWAKEMASK 0x0007
299 #define CMD_READCFG 0x0008
300 #define CMD_SETMODE 0x0009
301 #define CMD_ALLOCATETX 0x000a
302 #define CMD_TRANSMIT 0x000b
303 #define CMD_DEALLOCATETX 0x000c
305 #define CMD_WORKAROUND 0x0011
306 #define CMD_ALLOCATEAUX 0x0020
307 #define CMD_ACCESS 0x0021
308 #define CMD_PCIBAP 0x0022
309 #define CMD_PCIAUX 0x0023
310 #define CMD_ALLOCBUF 0x0028
311 #define CMD_GETTLV 0x0029
312 #define CMD_PUTTLV 0x002a
313 #define CMD_DELTLV 0x002b
314 #define CMD_FINDNEXTTLV 0x002c
315 #define CMD_PSPNODES 0x0030
316 #define CMD_SETCW 0x0031
317 #define CMD_SETPCF 0x0032
318 #define CMD_SETPHYREG 0x003e
319 #define CMD_TXTEST 0x003f
320 #define MAC_ENABLETX 0x0101
321 #define CMD_LISTBSS 0x0103
322 #define CMD_SAVECFG 0x0108
323 #define CMD_ENABLEAUX 0x0111
324 #define CMD_WRITERID 0x0121
325 #define CMD_USEPSPNODES 0x0130
326 #define MAC_ENABLERX 0x0201
329 #define ERROR_QUALIF 0x00
330 #define ERROR_ILLCMD 0x01
331 #define ERROR_ILLFMT 0x02
332 #define ERROR_INVFID 0x03
333 #define ERROR_INVRID 0x04
334 #define ERROR_LARGE 0x05
335 #define ERROR_NDISABL 0x06
336 #define ERROR_ALLOCBSY 0x07
337 #define ERROR_NORD 0x0B
338 #define ERROR_NOWR 0x0C
339 #define ERROR_INVFIDTX 0x0D
340 #define ERROR_TESTACT 0x0E
341 #define ERROR_TAGNFND 0x12
342 #define ERROR_DECODE 0x20
343 #define ERROR_DESCUNAV 0x21
344 #define ERROR_BADLEN 0x22
345 #define ERROR_MODE 0x80
346 #define ERROR_HOP 0x81
347 #define ERROR_BINTER 0x82
348 #define ERROR_RXMODE 0x83
349 #define ERROR_MACADDR 0x84
350 #define ERROR_RATES 0x85
351 #define ERROR_ORDER 0x86
352 #define ERROR_SCAN 0x87
353 #define ERROR_AUTH 0x88
354 #define ERROR_PSMODE 0x89
355 #define ERROR_RTYPE 0x8A
356 #define ERROR_DIVER 0x8B
357 #define ERROR_SSID 0x8C
358 #define ERROR_APLIST 0x8D
359 #define ERROR_AUTOWAKE 0x8E
360 #define ERROR_LEAP 0x8F
371 #define LINKSTAT 0x10
375 #define TXALLOCFID 0x22
376 #define TXCOMPLFID 0x24
391 /* Offset into aux memory for descriptors */
392 #define AUX_OFFSET 0x800
393 /* Size of allocated packets */
396 /* Size of the transmit queue */
400 #define BAP0 0 // Used for receiving packets
401 #define BAP1 2 // Used for xmiting packets and working with RIDS
404 #define COMMAND_BUSY 0x8000
406 #define BAP_BUSY 0x8000
407 #define BAP_ERR 0x4000
408 #define BAP_DONE 0x2000
410 #define PROMISC 0xffff
411 #define NOPROMISC 0x0000
414 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_TXEXC 0x04
418 #define EV_ALLOC 0x08
420 #define EV_AWAKE 0x100
421 #define EV_TXCPY 0x400
422 #define EV_UNKNOWN 0x800
423 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424 #define EV_AWAKEN 0x2000
425 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427 #ifdef CHECK_UNKNOWN_INTS
428 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #define IGNORE_INTS (~STATUS_INTS)
437 #define RID_CAPABILITIES 0xFF00
438 #define RID_APINFO 0xFF01
439 #define RID_RADIOINFO 0xFF02
440 #define RID_UNKNOWN3 0xFF03
441 #define RID_RSSI 0xFF04
442 #define RID_CONFIG 0xFF10
443 #define RID_SSID 0xFF11
444 #define RID_APLIST 0xFF12
445 #define RID_DRVNAME 0xFF13
446 #define RID_ETHERENCAP 0xFF14
447 #define RID_WEP_TEMP 0xFF15
448 #define RID_WEP_PERM 0xFF16
449 #define RID_MODULATION 0xFF17
450 #define RID_OPTIONS 0xFF18
451 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452 #define RID_FACTORYCONFIG 0xFF21
453 #define RID_UNKNOWN22 0xFF22
454 #define RID_LEAPUSERNAME 0xFF23
455 #define RID_LEAPPASSWORD 0xFF24
456 #define RID_STATUS 0xFF50
457 #define RID_BEACON_HST 0xFF51
458 #define RID_BUSY_HST 0xFF52
459 #define RID_RETRIES_HST 0xFF53
460 #define RID_UNKNOWN54 0xFF54
461 #define RID_UNKNOWN55 0xFF55
462 #define RID_UNKNOWN56 0xFF56
463 #define RID_MIC 0xFF57
464 #define RID_STATS16 0xFF60
465 #define RID_STATS16DELTA 0xFF61
466 #define RID_STATS16DELTACLEAR 0xFF62
467 #define RID_STATS 0xFF68
468 #define RID_STATSDELTA 0xFF69
469 #define RID_STATSDELTACLEAR 0xFF6A
470 #define RID_ECHOTEST_RID 0xFF70
471 #define RID_ECHOTEST_RESULTS 0xFF71
472 #define RID_BSSLISTFIRST 0xFF72
473 #define RID_BSSLISTNEXT 0xFF73
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
495 /* This is redundant for x86 archs, but it seems necessary for ARM */
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
508 /* These structures are from the Aironet's PC4500 Developers Manual */
522 #define MOD_DEFAULT 0
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530 #define MODE_STA_IBSS 0
531 #define MODE_STA_ESS 1
533 #define MODE_AP_RPTR 3
534 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542 #define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544 #define RXMODE_BC_MC_ADDR 0
545 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
546 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547 #define RXMODE_RFMON 3 /* wireless monitor mode */
548 #define RXMODE_RFMON_ANYBSS 4
549 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u8 macAddr[ETH_ALEN];
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
562 u16 u16deviceType; /* for overriding device type */
566 /*---------- Scanning/Associating ----------*/
568 #define SCANMODE_ACTIVE 0
569 #define SCANMODE_PASSIVE 1
570 #define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
578 #define AUTH_OPEN 0x1
579 #define AUTH_ENCRYPT 0x101
580 #define AUTH_SHAREDKEY 0x102
581 #define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
587 u16 maxBeaconLostTime;
589 #define DISABLE_REFRESH 0xFFFF
591 /*---------- Power save operation ----------*/
593 #define POWERSAVE_CAM 0
594 #define POWERSAVE_PSP 1
595 #define POWERSAVE_PSPCAM 2
598 u16 fastListenInterval;
602 /*---------- Ap/Ibss config items ----------*/
611 /*---------- Radio configuration ----------*/
613 #define RADIOTYPE_DEFAULT 0
614 #define RADIOTYPE_802_11 1
615 #define RADIOTYPE_LEGACY 2
619 #define TXPOWER_DEFAULT 0
621 #define RSSI_DEFAULT 0
623 #define PREAMBLE_AUTO 0
624 #define PREAMBLE_LONG 1
625 #define PREAMBLE_SHORT 2
629 /*---------- Aironet Extensions ----------*/
635 /*---------- Aironet Extensions ----------*/
637 #define MAGIC_ACTION_STSCHG 1
638 #define MAGIC_ACTION_RESUME 2
639 #define MAGIC_IGNORE_MCAST (1<<8)
640 #define MAGIC_IGNORE_BCAST (1<<9)
641 #define MAGIC_SWITCH_TO_PSP (0<<10)
642 #define MAGIC_STAY_IN_CAM (1<<10)
656 u8 bssid[4][ETH_ALEN];
670 u16 normalizedSignalStrength;
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
682 #define STAT_NOPACKETS 0
683 #define STAT_NOCARRIERSET 10
684 #define STAT_GOTCARRIERSET 11
685 #define STAT_WRONGSSID 20
686 #define STAT_BADCHANNEL 25
687 #define STAT_BADBITRATES 30
688 #define STAT_BADPRIVACY 35
689 #define STAT_APFOUND 40
690 #define STAT_APREJECTED 50
691 #define STAT_AUTHENTICATING 60
692 #define STAT_DEAUTHENTICATED 61
693 #define STAT_AUTHTIMEOUT 62
694 #define STAT_ASSOCIATING 70
695 #define STAT_DEASSOCIATED 71
696 #define STAT_ASSOCTIMEOUT 72
697 #define STAT_NOTAIROAP 73
698 #define STAT_ASSOCIATED 80
699 #define STAT_LEAPING 90
700 #define STAT_LEAPFAILED 91
701 #define STAT_LEAPTIMEDOUT 92
702 #define STAT_LEAPCOMPLETE 93
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
729 char callid[ETH_ALEN];
730 char supportedRates[8];
733 u16 txPowerLevels[8];
748 u16 index; /* First is 0 and 0xffff means end of list */
749 #define RADIO_FH 1 /* Frequency hopping radio type */
750 #define RADIO_DS 2 /* Direct sequence radio type */
751 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
753 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
758 #define CAP_ESS (1<<0)
759 #define CAP_IBSS (1<<1)
760 #define CAP_PRIVACY (1<<4)
761 #define CAP_SHORTHDR (1<<5)
764 u8 rates[8]; /* Same as rates for config rid */
765 struct { /* For frequency hopping only */
819 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
820 #define TXCTL_TXEX (1<<2) /* report if tx fails */
821 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
822 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
823 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
824 #define TXCTL_LLC (1<<4) /* payload is llc */
825 #define TXCTL_RELEASE (0<<5) /* release after completion */
826 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
828 #define BUSY_FID 0x10000
831 #define AIROMAGIC 0xa55a
832 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
833 #ifdef SIOCIWFIRSTPRIV
834 #ifdef SIOCDEVPRIVATE
835 #define AIROOLDIOCTL SIOCDEVPRIVATE
836 #define AIROOLDIDIFC AIROOLDIOCTL + 1
837 #endif /* SIOCDEVPRIVATE */
838 #else /* SIOCIWFIRSTPRIV */
839 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
840 #endif /* SIOCIWFIRSTPRIV */
841 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
842 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
843 * only and don't return the modified struct ifreq to the application which
844 * is usually a problem. - Jean II */
845 #define AIROIOCTL SIOCIWFIRSTPRIV
846 #define AIROIDIFC AIROIOCTL + 1
848 /* Ioctl constants to be used in airo_ioctl.command */
850 #define AIROGCAP 0 // Capability rid
851 #define AIROGCFG 1 // USED A LOT
852 #define AIROGSLIST 2 // System ID list
853 #define AIROGVLIST 3 // List of specified AP's
854 #define AIROGDRVNAM 4 // NOTUSED
855 #define AIROGEHTENC 5 // NOTUSED
856 #define AIROGWEPKTMP 6
857 #define AIROGWEPKNV 7
859 #define AIROGSTATSC32 9
860 #define AIROGSTATSD32 10
861 #define AIROGMICRID 11
862 #define AIROGMICSTATS 12
863 #define AIROGFLAGS 13
866 #define AIRORSWVERSION 17
868 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
870 #define AIROPCAP AIROGSTATSD32 + 40
871 #define AIROPVLIST AIROPCAP + 1
872 #define AIROPSLIST AIROPVLIST + 1
873 #define AIROPCFG AIROPSLIST + 1
874 #define AIROPSIDS AIROPCFG + 1
875 #define AIROPAPLIST AIROPSIDS + 1
876 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
877 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
878 #define AIROPSTCLR AIROPMACOFF + 1
879 #define AIROPWEPKEY AIROPSTCLR + 1
880 #define AIROPWEPKEYNV AIROPWEPKEY + 1
881 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
882 #define AIROPLEAPUSR AIROPLEAPPWD + 1
886 #define AIROFLSHRST AIROPWEPKEYNV + 40
887 #define AIROFLSHGCHR AIROFLSHRST + 1
888 #define AIROFLSHSTFL AIROFLSHGCHR + 1
889 #define AIROFLSHPCHR AIROFLSHSTFL + 1
890 #define AIROFLPUTBUF AIROFLSHPCHR + 1
891 #define AIRORESTART AIROFLPUTBUF + 1
893 #define FLASHSIZE 32768
894 #define AUXMEMSIZE (256 * 1024)
896 typedef struct aironet_ioctl {
897 unsigned short command; // What to do
898 unsigned short len; // Len of data
899 unsigned short ridnum; // rid number
900 unsigned char __user *data; // d-data
903 static char swversion[] = "2.1";
904 #endif /* CISCO_EXT */
906 #define NUM_MODULES 2
907 #define MIC_MSGLEN_MAX 2400
908 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
912 u8 enabled; // MIC enabled or not
913 u32 rxSuccess; // successful packets received
914 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
915 u32 rxNotMICed; // pkts dropped due to not being MIC'd
916 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
917 u32 rxWrongSequence; // pkts dropped due to sequence number violation
922 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
923 u64 accum; // accumulated mic, reduced to u32 in final()
924 int position; // current position (byte offset) in message
928 } part; // saves partial message word across update() calls
932 emmh32_context seed; // Context - the seed
933 u32 rx; // Received sequence number
934 u32 tx; // Tx sequence number
935 u32 window; // Start of window
936 u8 valid; // Flag to say if context is valid or not
941 miccntx mCtx; // Multicast context
942 miccntx uCtx; // Unicast context
946 unsigned int rid: 16;
947 unsigned int len: 15;
948 unsigned int valid: 1;
949 dma_addr_t host_addr;
953 unsigned int offset: 15;
955 unsigned int len: 15;
956 unsigned int valid: 1;
957 dma_addr_t host_addr;
961 unsigned int ctl: 15;
963 unsigned int len: 15;
964 unsigned int valid: 1;
965 dma_addr_t host_addr;
969 * Host receive descriptor
972 unsigned char __iomem *card_ram_off; /* offset into card memory of the
974 RxFid rx_desc; /* card receive descriptor */
975 char *virtual_host_addr; /* virtual address of host receive
981 * Host transmit descriptor
984 unsigned char __iomem *card_ram_off; /* offset into card memory of the
986 TxFid tx_desc; /* card transmit descriptor */
987 char *virtual_host_addr; /* virtual address of host receive
993 * Host RID descriptor
996 unsigned char __iomem *card_ram_off; /* offset into card memory of the
998 Rid rid_desc; /* card RID descriptor */
999 char *virtual_host_addr; /* virtual address of host receive
1008 #define HOST_SET (1 << 0)
1009 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1010 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1011 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1012 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1013 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1014 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1015 #define HOST_RTS (1 << 9) /* Force RTS use */
1016 #define HOST_SHORT (1 << 10) /* Do short preamble */
1043 static WifiCtlHdr wifictlhdr8023 = {
1045 .ctl = HOST_DONT_RLSE,
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;
1070 #endif /* WIRELESS_EXT */
1072 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1076 static int get_dec_u16( char *buffer, int *start, int limit );
1077 static void OUT4500( struct airo_info *, u16 register, u16 value );
1078 static unsigned short IN4500( struct airo_info *, u16 register );
1079 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1080 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1081 static void disable_MAC(struct airo_info *ai, int lock);
1082 static void enable_interrupts(struct airo_info*);
1083 static void disable_interrupts(struct airo_info*);
1084 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1085 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1086 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1088 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1090 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1092 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1093 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1094 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1095 *pBuf, int len, int lock);
1096 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1097 int len, int dummy );
1098 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1099 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1100 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1102 static int mpi_send_packet (struct net_device *dev);
1103 static void mpi_unmap_card(struct pci_dev *pci);
1104 static void mpi_receive_802_3(struct airo_info *ai);
1105 static void mpi_receive_802_11(struct airo_info *ai);
1106 static int waitbusy (struct airo_info *ai);
1108 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1110 static int airo_thread(void *data);
1111 static void timer_func( struct net_device *dev );
1112 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1114 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1115 static void airo_read_wireless_stats (struct airo_info *local);
1116 #endif /* WIRELESS_EXT */
1118 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1119 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1120 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1121 #endif /* CISCO_EXT */
1123 static void micinit(struct airo_info *ai);
1124 static int micsetup(struct airo_info *ai);
1125 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1126 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1128 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1129 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1131 #include <linux/crypto.h>
1135 struct net_device_stats stats;
1136 struct net_device *dev;
1137 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1138 use the high bit to mark whether it is in use. */
1140 #define MPI_MAX_FIDS 1
1143 char keyindex; // Used with auto wep
1144 char defindex; // Used with auto wep
1145 struct proc_dir_entry *proc_entry;
1146 spinlock_t aux_lock;
1147 unsigned long flags;
1148 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1149 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1150 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1151 #define FLAG_RADIO_MASK 0x03
1152 #define FLAG_ENABLED 2
1153 #define FLAG_ADHOC 3 /* Needed by MIC */
1154 #define FLAG_MIC_CAPABLE 4
1155 #define FLAG_UPDATE_MULTI 5
1156 #define FLAG_UPDATE_UNI 6
1157 #define FLAG_802_11 7
1158 #define FLAG_PENDING_XMIT 9
1159 #define FLAG_PENDING_XMIT11 10
1161 #define FLAG_REGISTERED 12
1162 #define FLAG_COMMIT 13
1163 #define FLAG_RESET 14
1164 #define FLAG_FLASHING 15
1165 #define JOB_MASK 0x1ff0000
1168 #define JOB_XMIT11 18
1169 #define JOB_STATS 19
1170 #define JOB_PROMISC 20
1172 #define JOB_EVENT 22
1173 #define JOB_AUTOWEP 23
1174 #define JOB_WSTATS 24
1175 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1177 unsigned short *flash;
1179 struct task_struct *task;
1180 struct semaphore sem;
1182 wait_queue_head_t thr_wait;
1183 struct completion thr_exited;
1184 unsigned long expires;
1186 struct sk_buff *skb;
1189 struct net_device *wifidev;
1191 struct iw_statistics wstats; // wireless stats
1192 unsigned long scan_timestamp; /* Time started to scan */
1193 struct iw_spy_data spy_data;
1194 struct iw_public_data wireless_data;
1195 #endif /* WIRELESS_EXT */
1198 struct crypto_tfm *tfm;
1200 mic_statistics micstats;
1202 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1203 HostTxDesc txfids[MPI_MAX_FIDS];
1204 HostRidDesc config_desc;
1205 unsigned long ridbus; // phys addr of config_desc
1206 struct sk_buff_head txq;// tx queue used by mpi350 code
1207 struct pci_dev *pci;
1208 unsigned char __iomem *pcimem;
1209 unsigned char __iomem *pciaux;
1210 unsigned char *shared;
1211 dma_addr_t shared_dma;
1215 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1216 char proc_name[IFNAMSIZ];
1219 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1221 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1224 static int setup_proc_entry( struct net_device *dev,
1225 struct airo_info *apriv );
1226 static int takedown_proc_entry( struct net_device *dev,
1227 struct airo_info *apriv );
1229 static int cmdreset(struct airo_info *ai);
1230 static int setflashmode (struct airo_info *ai);
1231 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1232 static int flashputbuf(struct airo_info *ai);
1233 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1236 /***********************************************************************
1238 ***********************************************************************
1241 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1242 static void MoveWindow(miccntx *context, u32 micSeq);
1243 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1244 static void emmh32_init(emmh32_context *context);
1245 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1246 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1247 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1249 /* micinit - Initialize mic seed */
1251 static void micinit(struct airo_info *ai)
1255 clear_bit(JOB_MIC, &ai->flags);
1256 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1259 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1261 if (ai->micstats.enabled) {
1262 /* Key must be valid and different */
1263 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1264 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1265 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1266 /* Age current mic Context */
1267 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1268 /* Initialize new context */
1269 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1270 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1271 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1272 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1273 ai->mod[0].mCtx.valid = 1; //Key is now valid
1275 /* Give key to mic seed */
1276 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1279 /* Key must be valid and different */
1280 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1281 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1282 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1283 /* Age current mic Context */
1284 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1285 /* Initialize new context */
1286 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1288 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1289 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1290 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1291 ai->mod[0].uCtx.valid = 1; //Key is now valid
1293 //Give key to mic seed
1294 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1297 /* So next time we have a valid key and mic is enabled, we will update
1298 * the sequence number if the key is the same as before.
1300 ai->mod[0].uCtx.valid = 0;
1301 ai->mod[0].mCtx.valid = 0;
1305 /* micsetup - Get ready for business */
1307 static int micsetup(struct airo_info *ai) {
1310 if (ai->tfm == NULL)
1311 ai->tfm = crypto_alloc_tfm("aes", 0);
1313 if (ai->tfm == NULL) {
1314 printk(KERN_ERR "airo: failed to load transform for AES\n");
1318 for (i=0; i < NUM_MODULES; i++) {
1319 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1320 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1325 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1327 /*===========================================================================
1328 * Description: Mic a packet
1330 * Inputs: etherHead * pointer to an 802.3 frame
1332 * Returns: BOOLEAN if successful, otherwise false.
1333 * PacketTxLen will be updated with the mic'd packets size.
1335 * Caveats: It is assumed that the frame buffer will already
1336 * be big enough to hold the largets mic message possible.
1337 * (No memory allocation is done here).
1339 * Author: sbraneky (10/15/01)
1340 * Merciless hacks by rwilcher (1/14/02)
1343 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1347 // Determine correct context
1348 // If not adhoc, always use unicast key
1350 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1351 context = &ai->mod[0].mCtx;
1353 context = &ai->mod[0].uCtx;
1355 if (!context->valid)
1358 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1360 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1363 mic->seq = htonl(context->tx);
1366 emmh32_init(&context->seed); // Mic the packet
1367 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1368 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1369 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1370 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1371 emmh32_final(&context->seed, (u8*)&mic->mic);
1373 /* New Type/length ?????????? */
1374 mic->typelen = 0; //Let NIC know it could be an oversized packet
1386 /*===========================================================================
1387 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1388 * (removes the MIC stuff) if packet is a valid packet.
1390 * Inputs: etherHead pointer to the 802.3 packet
1392 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1394 * Author: sbraneky (10/15/01)
1395 * Merciless hacks by rwilcher (1/14/02)
1396 *---------------------------------------------------------------------------
1399 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1405 mic_error micError = NONE;
1407 // Check if the packet is a Mic'd packet
1409 if (!ai->micstats.enabled) {
1410 //No Mic set or Mic OFF but we received a MIC'd packet.
1411 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1412 ai->micstats.rxMICPlummed++;
1418 if (ntohs(mic->typelen) == 0x888E)
1421 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1422 // Mic enabled but packet isn't Mic'd
1423 ai->micstats.rxMICPlummed++;
1427 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1429 //At this point we a have a mic'd packet and mic is enabled
1430 //Now do the mic error checking.
1432 //Receive seq must be odd
1433 if ( (micSEQ & 1) == 0 ) {
1434 ai->micstats.rxWrongSequence++;
1438 for (i = 0; i < NUM_MODULES; i++) {
1439 int mcast = eth->da[0] & 1;
1440 //Determine proper context
1441 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1443 //Make sure context is valid
1444 if (!context->valid) {
1446 micError = NOMICPLUMMED;
1452 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1454 emmh32_init(&context->seed);
1455 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1456 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1457 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1458 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1460 emmh32_final(&context->seed, digest);
1462 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1465 micError = INCORRECTMIC;
1469 //Check Sequence number if mics pass
1470 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1471 ai->micstats.rxSuccess++;
1475 micError = SEQUENCE;
1478 // Update statistics
1480 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1481 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1482 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1489 /*===========================================================================
1490 * Description: Checks the Rx Seq number to make sure it is valid
1491 * and hasn't already been received
1493 * Inputs: miccntx - mic context to check seq against
1494 * micSeq - the Mic seq number
1496 * Returns: TRUE if valid otherwise FALSE.
1498 * Author: sbraneky (10/15/01)
1499 * Merciless hacks by rwilcher (1/14/02)
1500 *---------------------------------------------------------------------------
1503 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1507 //Allow for the ap being rebooted - if it is then use the next
1508 //sequence number of the current sequence number - might go backwards
1511 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1512 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1513 context->window = (micSeq > 33) ? micSeq : 33;
1514 context->rx = 0; // Reset rx
1516 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1517 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1518 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1519 context->rx = 0; // Reset rx
1522 //Make sequence number relative to START of window
1523 seq = micSeq - (context->window - 33);
1525 //Too old of a SEQ number to check.
1530 //Window is infinite forward
1531 MoveWindow(context,micSeq);
1535 // We are in the window. Now check the context rx bit to see if it was already sent
1536 seq >>= 1; //divide by 2 because we only have odd numbers
1537 index = 1 << seq; //Get an index number
1539 if (!(context->rx & index)) {
1540 //micSEQ falls inside the window.
1541 //Add seqence number to the list of received numbers.
1542 context->rx |= index;
1544 MoveWindow(context,micSeq);
1551 static void MoveWindow(miccntx *context, u32 micSeq)
1555 //Move window if seq greater than the middle of the window
1556 if (micSeq > context->window) {
1557 shift = (micSeq - context->window) >> 1;
1561 context->rx >>= shift;
1565 context->window = micSeq; //Move window
1569 /*==============================================*/
1570 /*========== EMMH ROUTINES ====================*/
1571 /*==============================================*/
1573 /* mic accumulate */
1574 #define MIC_ACCUM(val) \
1575 context->accum += (u64)(val) * context->coeff[coeff_position++];
1577 static unsigned char aes_counter[16];
1579 /* expand the key to fill the MMH coefficient array */
1580 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1582 /* take the keying material, expand if necessary, truncate at 16-bytes */
1583 /* run through AES counter mode to generate context->coeff[] */
1587 u8 *cipher, plain[16];
1588 struct scatterlist sg[1];
1590 crypto_cipher_setkey(tfm, pkey, 16);
1592 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1593 aes_counter[15] = (u8)(counter >> 0);
1594 aes_counter[14] = (u8)(counter >> 8);
1595 aes_counter[13] = (u8)(counter >> 16);
1596 aes_counter[12] = (u8)(counter >> 24);
1598 memcpy (plain, aes_counter, 16);
1599 sg[0].page = virt_to_page(plain);
1600 sg[0].offset = ((long) plain & ~PAGE_MASK);
1602 crypto_cipher_encrypt(tfm, sg, sg, 16);
1603 cipher = kmap(sg[0].page) + sg[0].offset;
1604 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1605 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1611 /* prepare for calculation of a new mic */
1612 static void emmh32_init(emmh32_context *context)
1614 /* prepare for new mic calculation */
1616 context->position = 0;
1619 /* add some bytes to the mic calculation */
1620 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1622 int coeff_position, byte_position;
1624 if (len == 0) return;
1626 coeff_position = context->position >> 2;
1628 /* deal with partial 32-bit word left over from last update */
1629 byte_position = context->position & 3;
1630 if (byte_position) {
1631 /* have a partial word in part to deal with */
1633 if (len == 0) return;
1634 context->part.d8[byte_position++] = *pOctets++;
1635 context->position++;
1637 } while (byte_position < 4);
1638 MIC_ACCUM(htonl(context->part.d32));
1641 /* deal with full 32-bit words */
1643 MIC_ACCUM(htonl(*(u32 *)pOctets));
1644 context->position += 4;
1649 /* deal with partial 32-bit word that will be left over from this update */
1652 context->part.d8[byte_position++] = *pOctets++;
1653 context->position++;
1658 /* mask used to zero empty bytes for final partial word */
1659 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1661 /* calculate the mic */
1662 static void emmh32_final(emmh32_context *context, u8 digest[4])
1664 int coeff_position, byte_position;
1670 coeff_position = context->position >> 2;
1672 /* deal with partial 32-bit word left over from last update */
1673 byte_position = context->position & 3;
1674 if (byte_position) {
1675 /* have a partial word in part to deal with */
1676 val = htonl(context->part.d32);
1677 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1680 /* reduce the accumulated u64 to a 32-bit MIC */
1681 sum = context->accum;
1682 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1683 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1684 sum = utmp & 0xffffffffLL;
1685 if (utmp > 0x10000000fLL)
1689 digest[0] = (val>>24) & 0xFF;
1690 digest[1] = (val>>16) & 0xFF;
1691 digest[2] = (val>>8) & 0xFF;
1692 digest[3] = val & 0xFF;
1696 static int readBSSListRid(struct airo_info *ai, int first,
1703 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1704 memset(&cmd, 0, sizeof(cmd));
1705 cmd.cmd=CMD_LISTBSS;
1706 if (down_interruptible(&ai->sem))
1707 return -ERESTARTSYS;
1708 issuecommand(ai, &cmd, &rsp);
1710 /* Let the command take effect */
1715 rc = PC4500_readrid(ai, first ? RID_BSSLISTFIRST : RID_BSSLISTNEXT,
1716 list, sizeof(*list), 1);
1718 list->len = le16_to_cpu(list->len);
1719 list->index = le16_to_cpu(list->index);
1720 list->radioType = le16_to_cpu(list->radioType);
1721 list->cap = le16_to_cpu(list->cap);
1722 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1723 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1724 list->dsChannel = le16_to_cpu(list->dsChannel);
1725 list->atimWindow = le16_to_cpu(list->atimWindow);
1726 list->dBm = le16_to_cpu(list->dBm);
1730 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1731 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1732 wkr, sizeof(*wkr), lock);
1734 wkr->len = le16_to_cpu(wkr->len);
1735 wkr->kindex = le16_to_cpu(wkr->kindex);
1736 wkr->klen = le16_to_cpu(wkr->klen);
1739 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1740 * the originals when we endian them... */
1741 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1743 WepKeyRid wkr = *pwkr;
1745 wkr.len = cpu_to_le16(wkr.len);
1746 wkr.kindex = cpu_to_le16(wkr.kindex);
1747 wkr.klen = cpu_to_le16(wkr.klen);
1748 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1749 if (rc!=SUCCESS) printk(KERN_ERR "airo: WEP_TEMP set %x\n", rc);
1751 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1753 printk(KERN_ERR "airo: WEP_PERM set %x\n", rc);
1759 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1761 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1763 ssidr->len = le16_to_cpu(ssidr->len);
1764 for(i = 0; i < 3; i++) {
1765 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1769 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1772 SsidRid ssidr = *pssidr;
1774 ssidr.len = cpu_to_le16(ssidr.len);
1775 for(i = 0; i < 3; i++) {
1776 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1778 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1781 static int readConfigRid(struct airo_info*ai, int lock) {
1789 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1793 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1795 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1796 *s = le16_to_cpu(*s);
1798 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1799 *s = le16_to_cpu(*s);
1801 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1802 *s = cpu_to_le16(*s);
1804 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1805 *s = cpu_to_le16(*s);
1810 static inline void checkThrottle(struct airo_info *ai) {
1812 /* Old hardware had a limit on encryption speed */
1813 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1814 for(i=0; i<8; i++) {
1815 if (ai->config.rates[i] > maxencrypt) {
1816 ai->config.rates[i] = 0;
1821 static int writeConfigRid(struct airo_info*ai, int lock) {
1825 if (!test_bit (FLAG_COMMIT, &ai->flags))
1828 clear_bit (FLAG_COMMIT, &ai->flags);
1829 clear_bit (FLAG_RESET, &ai->flags);
1833 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1834 set_bit(FLAG_ADHOC, &ai->flags);
1836 clear_bit(FLAG_ADHOC, &ai->flags);
1838 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1840 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1841 *s = cpu_to_le16(*s);
1843 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1844 *s = cpu_to_le16(*s);
1846 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1847 *s = cpu_to_le16(*s);
1849 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1850 *s = cpu_to_le16(*s);
1852 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1854 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1855 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1858 statr->len = le16_to_cpu(statr->len);
1859 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1861 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1862 *s = le16_to_cpu(*s);
1863 statr->load = le16_to_cpu(statr->load);
1864 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1867 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1868 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1869 aplr->len = le16_to_cpu(aplr->len);
1872 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1874 aplr->len = cpu_to_le16(aplr->len);
1875 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1878 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1879 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1882 capr->len = le16_to_cpu(capr->len);
1883 capr->prodNum = le16_to_cpu(capr->prodNum);
1884 capr->radioType = le16_to_cpu(capr->radioType);
1885 capr->country = le16_to_cpu(capr->country);
1886 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1887 *s = le16_to_cpu(*s);
1890 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1891 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1894 sr->len = le16_to_cpu(sr->len);
1895 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1899 static int airo_open(struct net_device *dev) {
1900 struct airo_info *info = dev->priv;
1903 if (test_bit(FLAG_FLASHING, &info->flags))
1906 /* Make sure the card is configured.
1907 * Wireless Extensions may postpone config changes until the card
1908 * is open (to pipeline changes and speed-up card setup). If
1909 * those changes are not yet commited, do it now - Jean II */
1910 if (test_bit (FLAG_COMMIT, &info->flags)) {
1911 disable_MAC(info, 1);
1912 writeConfigRid(info, 1);
1915 if (info->wifidev != dev) {
1916 /* Power on the MAC controller (which may have been disabled) */
1917 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1918 enable_interrupts(info);
1920 enable_MAC(info, &rsp, 1);
1922 netif_start_queue(dev);
1926 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1927 int npacks, pending;
1928 unsigned long flags;
1929 struct airo_info *ai = dev->priv;
1932 printk(KERN_ERR "airo: %s: skb==NULL\n",__FUNCTION__);
1935 npacks = skb_queue_len (&ai->txq);
1937 if (npacks >= MAXTXQ - 1) {
1938 netif_stop_queue (dev);
1939 if (npacks > MAXTXQ) {
1940 ai->stats.tx_fifo_errors++;
1943 skb_queue_tail (&ai->txq, skb);
1947 spin_lock_irqsave(&ai->aux_lock, flags);
1948 skb_queue_tail (&ai->txq, skb);
1949 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1950 spin_unlock_irqrestore(&ai->aux_lock,flags);
1951 netif_wake_queue (dev);
1954 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1955 mpi_send_packet (dev);
1963 * Attempt to transmit a packet. Can be called from interrupt
1964 * or transmit . return number of packets we tried to send
1967 static int mpi_send_packet (struct net_device *dev)
1969 struct sk_buff *skb;
1970 unsigned char *buffer;
1971 s16 len, *payloadLen;
1972 struct airo_info *ai = dev->priv;
1975 /* get a packet to send */
1977 if ((skb = skb_dequeue(&ai->txq)) == 0) {
1979 "airo: %s: Dequeue'd zero in send_packet()\n",
1984 /* check min length*/
1985 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
1988 ai->txfids[0].tx_desc.offset = 0;
1989 ai->txfids[0].tx_desc.valid = 1;
1990 ai->txfids[0].tx_desc.eoc = 1;
1991 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
1994 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
1995 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
1996 * is immediatly after it. ------------------------------------------------
1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
1998 * ------------------------------------------------
2001 memcpy((char *)ai->txfids[0].virtual_host_addr,
2002 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2004 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2005 sizeof(wifictlhdr8023));
2006 sendbuf = ai->txfids[0].virtual_host_addr +
2007 sizeof(wifictlhdr8023) + 2 ;
2010 * Firmware automaticly puts 802 header on so
2011 * we don't need to account for it in the length
2014 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2015 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2018 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2021 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2022 ai->txfids[0].tx_desc.len += sizeof(pMic);
2023 /* copy data into airo dma buffer */
2024 memcpy (sendbuf, buffer, sizeof(etherHead));
2025 buffer += sizeof(etherHead);
2026 sendbuf += sizeof(etherHead);
2027 memcpy (sendbuf, &pMic, sizeof(pMic));
2028 sendbuf += sizeof(pMic);
2029 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2033 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2035 dev->trans_start = jiffies;
2037 /* copy data into airo dma buffer */
2038 memcpy(sendbuf, buffer, len);
2041 memcpy_toio(ai->txfids[0].card_ram_off,
2042 &ai->txfids[0].tx_desc, sizeof(TxFid));
2044 OUT4500(ai, EVACK, 8);
2046 dev_kfree_skb_any(skb);
2050 static void get_tx_error(struct airo_info *ai, u32 fid)
2055 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2057 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2059 bap_read(ai, &status, 2, BAP0);
2061 if (le16_to_cpu(status) & 2) /* Too many retries */
2062 ai->stats.tx_aborted_errors++;
2063 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2064 ai->stats.tx_heartbeat_errors++;
2065 if (le16_to_cpu(status) & 8) /* Aid fail */
2067 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2068 ai->stats.tx_carrier_errors++;
2069 if (le16_to_cpu(status) & 0x20) /* Association lost */
2071 /* We produce a TXDROP event only for retry or lifetime
2072 * exceeded, because that's the only status that really mean
2073 * that this particular node went away.
2074 * Other errors means that *we* screwed up. - Jean II */
2075 if ((le16_to_cpu(status) & 2) ||
2076 (le16_to_cpu(status) & 4)) {
2077 union iwreq_data wrqu;
2080 /* Faster to skip over useless data than to do
2081 * another bap_setup(). We are at offset 0x6 and
2082 * need to go to 0x18 and read 6 bytes - Jean II */
2083 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2085 /* Copy 802.11 dest address.
2086 * We use the 802.11 header because the frame may
2087 * not be 802.3 or may be mangled...
2088 * In Ad-Hoc mode, it will be the node address.
2089 * In managed mode, it will be most likely the AP addr
2090 * User space will figure out how to convert it to
2091 * whatever it needs (IP address or else).
2093 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2094 wrqu.addr.sa_family = ARPHRD_ETHER;
2096 /* Send event to user space */
2097 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2101 static void airo_end_xmit(struct net_device *dev) {
2104 struct airo_info *priv = dev->priv;
2105 struct sk_buff *skb = priv->xmit.skb;
2106 int fid = priv->xmit.fid;
2107 u32 *fids = priv->fids;
2109 clear_bit(JOB_XMIT, &priv->flags);
2110 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2111 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2115 if ( status == SUCCESS ) {
2116 dev->trans_start = jiffies;
2117 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2119 priv->fids[fid] &= 0xffff;
2120 priv->stats.tx_window_errors++;
2122 if (i < MAX_FIDS / 2)
2123 netif_wake_queue(dev);
2127 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2130 struct airo_info *priv = dev->priv;
2131 u32 *fids = priv->fids;
2133 if ( skb == NULL ) {
2134 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2138 /* Find a vacant FID */
2139 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2140 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2142 if ( j >= MAX_FIDS / 2 ) {
2143 netif_stop_queue(dev);
2145 if (i == MAX_FIDS / 2) {
2146 priv->stats.tx_fifo_errors++;
2150 /* check min length*/
2151 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2152 /* Mark fid as used & save length for later */
2153 fids[i] |= (len << 16);
2154 priv->xmit.skb = skb;
2156 if (down_trylock(&priv->sem) != 0) {
2157 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2158 netif_stop_queue(dev);
2159 set_bit(JOB_XMIT, &priv->flags);
2160 wake_up_interruptible(&priv->thr_wait);
2166 static void airo_end_xmit11(struct net_device *dev) {
2169 struct airo_info *priv = dev->priv;
2170 struct sk_buff *skb = priv->xmit11.skb;
2171 int fid = priv->xmit11.fid;
2172 u32 *fids = priv->fids;
2174 clear_bit(JOB_XMIT11, &priv->flags);
2175 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2176 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2180 if ( status == SUCCESS ) {
2181 dev->trans_start = jiffies;
2182 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2184 priv->fids[fid] &= 0xffff;
2185 priv->stats.tx_window_errors++;
2188 netif_wake_queue(dev);
2192 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2195 struct airo_info *priv = dev->priv;
2196 u32 *fids = priv->fids;
2198 if (test_bit(FLAG_MPI, &priv->flags)) {
2199 /* Not implemented yet for MPI350 */
2200 netif_stop_queue(dev);
2204 if ( skb == NULL ) {
2205 printk( KERN_ERR "airo: skb == NULL!!!\n" );
2209 /* Find a vacant FID */
2210 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2211 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2213 if ( j >= MAX_FIDS ) {
2214 netif_stop_queue(dev);
2216 if (i == MAX_FIDS) {
2217 priv->stats.tx_fifo_errors++;
2221 /* check min length*/
2222 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2223 /* Mark fid as used & save length for later */
2224 fids[i] |= (len << 16);
2225 priv->xmit11.skb = skb;
2226 priv->xmit11.fid = i;
2227 if (down_trylock(&priv->sem) != 0) {
2228 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2229 netif_stop_queue(dev);
2230 set_bit(JOB_XMIT11, &priv->flags);
2231 wake_up_interruptible(&priv->thr_wait);
2233 airo_end_xmit11(dev);
2237 static void airo_read_stats(struct airo_info *ai) {
2239 u32 *vals = stats_rid.vals;
2241 clear_bit(JOB_STATS, &ai->flags);
2242 if (ai->power.event) {
2246 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2249 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2250 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2251 ai->stats.rx_bytes = vals[92];
2252 ai->stats.tx_bytes = vals[91];
2253 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2254 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2255 ai->stats.multicast = vals[43];
2256 ai->stats.collisions = vals[89];
2258 /* detailed rx_errors: */
2259 ai->stats.rx_length_errors = vals[3];
2260 ai->stats.rx_crc_errors = vals[4];
2261 ai->stats.rx_frame_errors = vals[2];
2262 ai->stats.rx_fifo_errors = vals[0];
2265 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2267 struct airo_info *local = dev->priv;
2269 if (!test_bit(JOB_STATS, &local->flags)) {
2270 /* Get stats out of the card if available */
2271 if (down_trylock(&local->sem) != 0) {
2272 set_bit(JOB_STATS, &local->flags);
2273 wake_up_interruptible(&local->thr_wait);
2275 airo_read_stats(local);
2278 return &local->stats;
2281 static void airo_set_promisc(struct airo_info *ai) {
2285 memset(&cmd, 0, sizeof(cmd));
2286 cmd.cmd=CMD_SETMODE;
2287 clear_bit(JOB_PROMISC, &ai->flags);
2288 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2289 issuecommand(ai, &cmd, &rsp);
2293 static void airo_set_multicast_list(struct net_device *dev) {
2294 struct airo_info *ai = dev->priv;
2296 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2297 change_bit(FLAG_PROMISC, &ai->flags);
2298 if (down_trylock(&ai->sem) != 0) {
2299 set_bit(JOB_PROMISC, &ai->flags);
2300 wake_up_interruptible(&ai->thr_wait);
2302 airo_set_promisc(ai);
2305 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2306 /* Turn on multicast. (Should be already setup...) */
2310 static int airo_set_mac_address(struct net_device *dev, void *p)
2312 struct airo_info *ai = dev->priv;
2313 struct sockaddr *addr = p;
2316 readConfigRid(ai, 1);
2317 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2318 set_bit (FLAG_COMMIT, &ai->flags);
2320 writeConfigRid (ai, 1);
2321 enable_MAC(ai, &rsp, 1);
2322 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2324 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2328 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2330 if ((new_mtu < 68) || (new_mtu > 2400))
2337 static int airo_close(struct net_device *dev) {
2338 struct airo_info *ai = dev->priv;
2340 netif_stop_queue(dev);
2342 if (ai->wifidev != dev) {
2343 #ifdef POWER_ON_DOWN
2344 /* Shut power to the card. The idea is that the user can save
2345 * power when he doesn't need the card with "ifconfig down".
2346 * That's the method that is most friendly towards the network
2347 * stack (i.e. the network stack won't try to broadcast
2348 * anything on the interface and routes are gone. Jean II */
2349 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2352 disable_interrupts( ai );
2357 static void del_airo_dev( struct net_device *dev );
2359 void stop_airo_card( struct net_device *dev, int freeres )
2361 struct airo_info *ai = dev->priv;
2363 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2365 disable_interrupts(ai);
2366 free_irq( dev->irq, dev );
2367 takedown_proc_entry( dev, ai );
2368 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2369 unregister_netdev( dev );
2371 unregister_netdev(ai->wifidev);
2372 free_netdev(ai->wifidev);
2375 clear_bit(FLAG_REGISTERED, &ai->flags);
2377 set_bit(JOB_DIE, &ai->flags);
2378 kill_proc(ai->thr_pid, SIGTERM, 1);
2379 wait_for_completion(&ai->thr_exited);
2382 * Clean out tx queue
2384 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2385 struct sk_buff *skb = NULL;
2386 for (;(skb = skb_dequeue(&ai->txq));)
2399 /* PCMCIA frees this stuff, so only for PCI and ISA */
2400 release_region( dev->base_addr, 64 );
2401 if (test_bit(FLAG_MPI, &ai->flags)) {
2403 mpi_unmap_card(ai->pci);
2405 iounmap(ai->pcimem);
2407 iounmap(ai->pciaux);
2408 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2409 ai->shared, ai->shared_dma);
2414 crypto_free_tfm(ai->tfm);
2416 del_airo_dev( dev );
2420 EXPORT_SYMBOL(stop_airo_card);
2422 static int add_airo_dev( struct net_device *dev );
2424 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2426 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2430 static void mpi_unmap_card(struct pci_dev *pci)
2432 unsigned long mem_start = pci_resource_start(pci, 1);
2433 unsigned long mem_len = pci_resource_len(pci, 1);
2434 unsigned long aux_start = pci_resource_start(pci, 2);
2435 unsigned long aux_len = AUXMEMSIZE;
2437 release_mem_region(aux_start, aux_len);
2438 release_mem_region(mem_start, mem_len);
2441 /*************************************************************
2442 * This routine assumes that descriptors have been setup .
2443 * Run at insmod time or after reset when the decriptors
2444 * have been initialized . Returns 0 if all is well nz
2445 * otherwise . Does not allocate memory but sets up card
2446 * using previously allocated descriptors.
2448 static int mpi_init_descriptors (struct airo_info *ai)
2455 /* Alloc card RX descriptors */
2456 netif_stop_queue(ai->dev);
2458 memset(&rsp,0,sizeof(rsp));
2459 memset(&cmd,0,sizeof(cmd));
2461 cmd.cmd = CMD_ALLOCATEAUX;
2463 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2464 cmd.parm2 = MPI_MAX_FIDS;
2465 rc=issuecommand(ai, &cmd, &rsp);
2466 if (rc != SUCCESS) {
2467 printk(KERN_ERR "airo: Couldn't allocate RX FID\n");
2471 for (i=0; i<MPI_MAX_FIDS; i++) {
2472 memcpy_toio(ai->rxfids[i].card_ram_off,
2473 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2476 /* Alloc card TX descriptors */
2478 memset(&rsp,0,sizeof(rsp));
2479 memset(&cmd,0,sizeof(cmd));
2481 cmd.cmd = CMD_ALLOCATEAUX;
2483 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2484 cmd.parm2 = MPI_MAX_FIDS;
2486 for (i=0; i<MPI_MAX_FIDS; i++) {
2487 ai->txfids[i].tx_desc.valid = 1;
2488 memcpy_toio(ai->txfids[i].card_ram_off,
2489 &ai->txfids[i].tx_desc, sizeof(TxFid));
2491 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2493 rc=issuecommand(ai, &cmd, &rsp);
2494 if (rc != SUCCESS) {
2495 printk(KERN_ERR "airo: Couldn't allocate TX FID\n");
2499 /* Alloc card Rid descriptor */
2500 memset(&rsp,0,sizeof(rsp));
2501 memset(&cmd,0,sizeof(cmd));
2503 cmd.cmd = CMD_ALLOCATEAUX;
2505 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2506 cmd.parm2 = 1; /* Magic number... */
2507 rc=issuecommand(ai, &cmd, &rsp);
2508 if (rc != SUCCESS) {
2509 printk(KERN_ERR "airo: Couldn't allocate RID\n");
2513 memcpy_toio(ai->config_desc.card_ram_off,
2514 &ai->config_desc.rid_desc, sizeof(Rid));
2520 * We are setting up three things here:
2521 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2522 * 2) Map PCI memory for issueing commands.
2523 * 3) Allocate memory (shared) to send and receive ethernet frames.
2525 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2528 unsigned long mem_start, mem_len, aux_start, aux_len;
2531 unsigned char *busaddroff,*vpackoff;
2532 unsigned char __iomem *pciaddroff;
2534 mem_start = pci_resource_start(pci, 1);
2535 mem_len = pci_resource_len(pci, 1);
2536 aux_start = pci_resource_start(pci, 2);
2537 aux_len = AUXMEMSIZE;
2539 if (!request_mem_region(mem_start, mem_len, name)) {
2540 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2541 (int)mem_start, (int)mem_len, name);
2544 if (!request_mem_region(aux_start, aux_len, name)) {
2545 printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
2546 (int)aux_start, (int)aux_len, name);
2550 ai->pcimem = ioremap(mem_start, mem_len);
2552 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2553 (int)mem_start, (int)mem_len, name);
2556 ai->pciaux = ioremap(aux_start, aux_len);
2558 printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
2559 (int)aux_start, (int)aux_len, name);
2563 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2564 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2566 printk(KERN_ERR "airo: Couldn't alloc_consistent %d\n",
2572 * Setup descriptor RX, TX, CONFIG
2574 busaddroff = (unsigned char *)ai->shared_dma;
2575 pciaddroff = ai->pciaux + AUX_OFFSET;
2576 vpackoff = ai->shared;
2578 /* RX descriptor setup */
2579 for(i = 0; i < MPI_MAX_FIDS; i++) {
2580 ai->rxfids[i].pending = 0;
2581 ai->rxfids[i].card_ram_off = pciaddroff;
2582 ai->rxfids[i].virtual_host_addr = vpackoff;
2583 ai->rxfids[i].rx_desc.host_addr = (dma_addr_t) busaddroff;
2584 ai->rxfids[i].rx_desc.valid = 1;
2585 ai->rxfids[i].rx_desc.len = PKTSIZE;
2586 ai->rxfids[i].rx_desc.rdy = 0;
2588 pciaddroff += sizeof(RxFid);
2589 busaddroff += PKTSIZE;
2590 vpackoff += PKTSIZE;
2593 /* TX descriptor setup */
2594 for(i = 0; i < MPI_MAX_FIDS; i++) {
2595 ai->txfids[i].card_ram_off = pciaddroff;
2596 ai->txfids[i].virtual_host_addr = vpackoff;
2597 ai->txfids[i].tx_desc.valid = 1;
2598 ai->txfids[i].tx_desc.host_addr = (dma_addr_t) busaddroff;
2599 memcpy(ai->txfids[i].virtual_host_addr,
2600 &wifictlhdr8023, sizeof(wifictlhdr8023));
2602 pciaddroff += sizeof(TxFid);
2603 busaddroff += PKTSIZE;
2604 vpackoff += PKTSIZE;
2606 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2608 /* Rid descriptor setup */
2609 ai->config_desc.card_ram_off = pciaddroff;
2610 ai->config_desc.virtual_host_addr = vpackoff;
2611 ai->config_desc.rid_desc.host_addr = (dma_addr_t) busaddroff;
2612 ai->ridbus = (dma_addr_t)busaddroff;
2613 ai->config_desc.rid_desc.rid = 0;
2614 ai->config_desc.rid_desc.len = RIDSIZE;
2615 ai->config_desc.rid_desc.valid = 1;
2616 pciaddroff += sizeof(Rid);
2617 busaddroff += RIDSIZE;
2618 vpackoff += RIDSIZE;
2620 /* Tell card about descriptors */
2621 if (mpi_init_descriptors (ai) != SUCCESS)
2626 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2628 iounmap(ai->pciaux);
2630 iounmap(ai->pcimem);
2632 release_mem_region(aux_start, aux_len);
2634 release_mem_region(mem_start, mem_len);
2639 static void wifi_setup(struct net_device *dev)
2641 dev->hard_header = NULL;
2642 dev->rebuild_header = NULL;
2643 dev->hard_header_cache = NULL;
2644 dev->header_cache_update= NULL;
2646 dev->hard_header_parse = wll_header_parse;
2647 dev->hard_start_xmit = &airo_start_xmit11;
2648 dev->get_stats = &airo_get_stats;
2649 dev->set_mac_address = &airo_set_mac_address;
2650 dev->do_ioctl = &airo_ioctl;
2652 dev->wireless_handlers = &airo_handler_def;
2653 #endif /* WIRELESS_EXT */
2654 dev->change_mtu = &airo_change_mtu;
2655 dev->open = &airo_open;
2656 dev->stop = &airo_close;
2658 dev->type = ARPHRD_IEEE80211;
2659 dev->hard_header_len = ETH_HLEN;
2661 dev->addr_len = ETH_ALEN;
2662 dev->tx_queue_len = 100;
2664 memset(dev->broadcast,0xFF, ETH_ALEN);
2666 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2669 static struct net_device *init_wifidev(struct airo_info *ai,
2670 struct net_device *ethdev)
2673 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2676 dev->priv = ethdev->priv;
2677 dev->irq = ethdev->irq;
2678 dev->base_addr = ethdev->base_addr;
2680 dev->wireless_data = ethdev->wireless_data;
2681 #endif /* WIRELESS_EXT */
2682 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2683 err = register_netdev(dev);
2691 static int reset_card( struct net_device *dev , int lock) {
2692 struct airo_info *ai = dev->priv;
2694 if (lock && down_interruptible(&ai->sem))
2697 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2706 static struct net_device *_init_airo_card( unsigned short irq, int port,
2707 int is_pcmcia, struct pci_dev *pci,
2708 struct device *dmdev )
2710 struct net_device *dev;
2711 struct airo_info *ai;
2714 /* Create the network device object. */
2715 dev = alloc_etherdev(sizeof(*ai));
2717 printk(KERN_ERR "airo: Couldn't alloc_etherdev\n");
2720 if (dev_alloc_name(dev, dev->name) < 0) {
2721 printk(KERN_ERR "airo: Couldn't get name!\n");
2728 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2729 printk(KERN_DEBUG "airo: Found an MPI350 card\n");
2730 set_bit(FLAG_MPI, &ai->flags);
2733 spin_lock_init(&ai->aux_lock);
2734 sema_init(&ai->sem, 1);
2737 init_waitqueue_head (&ai->thr_wait);
2738 init_completion (&ai->thr_exited);
2739 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2740 if (ai->thr_pid < 0)
2745 rc = add_airo_dev( dev );
2749 /* The Airo-specific entries in the device structure. */
2750 if (test_bit(FLAG_MPI,&ai->flags)) {
2751 skb_queue_head_init (&ai->txq);
2752 dev->hard_start_xmit = &mpi_start_xmit;
2754 dev->hard_start_xmit = &airo_start_xmit;
2755 dev->get_stats = &airo_get_stats;
2756 dev->set_multicast_list = &airo_set_multicast_list;
2757 dev->set_mac_address = &airo_set_mac_address;
2758 dev->do_ioctl = &airo_ioctl;
2760 dev->wireless_handlers = &airo_handler_def;
2761 ai->wireless_data.spy_data = &ai->spy_data;
2762 dev->wireless_data = &ai->wireless_data;
2763 #endif /* WIRELESS_EXT */
2764 dev->change_mtu = &airo_change_mtu;
2765 dev->open = &airo_open;
2766 dev->stop = &airo_close;
2768 dev->base_addr = port;
2770 SET_NETDEV_DEV(dev, dmdev);
2773 if (test_bit(FLAG_MPI,&ai->flags))
2774 reset_card (dev, 1);
2776 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2778 printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
2779 goto err_out_unlink;
2782 if (!request_region( dev->base_addr, 64, dev->name )) {
2784 printk(KERN_ERR "airo: Couldn't request region\n");
2789 if (test_bit(FLAG_MPI,&ai->flags)) {
2790 if (mpi_map_card(ai, pci, dev->name)) {
2791 printk(KERN_ERR "airo: Could not map memory\n");
2797 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2798 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2802 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2803 ai->bap_read = fast_bap_read;
2804 set_bit(FLAG_FLASHING, &ai->flags);
2807 rc = register_netdev(dev);
2809 printk(KERN_ERR "airo: Couldn't register_netdev\n");
2812 ai->wifidev = init_wifidev(ai, dev);
2814 set_bit(FLAG_REGISTERED,&ai->flags);
2815 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
2817 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2818 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2820 /* Allocate the transmit buffers */
2821 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2822 for( i = 0; i < MAX_FIDS; i++ )
2823 ai->fids[i] = transmit_allocate(ai,2312,i>=MAX_FIDS/2);
2825 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2826 netif_start_queue(dev);
2827 SET_MODULE_OWNER(dev);
2831 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2832 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2833 iounmap(ai->pciaux);
2834 iounmap(ai->pcimem);
2835 mpi_unmap_card(ai->pci);
2839 release_region( dev->base_addr, 64 );
2841 free_irq(dev->irq, dev);
2845 set_bit(JOB_DIE, &ai->flags);
2846 kill_proc(ai->thr_pid, SIGTERM, 1);
2847 wait_for_completion(&ai->thr_exited);
2853 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2854 struct device *dmdev)
2856 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2859 EXPORT_SYMBOL(init_airo_card);
2861 static int waitbusy (struct airo_info *ai) {
2863 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2865 if ((++delay % 20) == 0)
2866 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2868 return delay < 10000;
2871 int reset_airo_card( struct net_device *dev )
2874 struct airo_info *ai = dev->priv;
2876 if (reset_card (dev, 1))
2879 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2880 printk( KERN_ERR "airo: MAC could not be enabled\n" );
2883 printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev->name,
2884 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2885 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2886 /* Allocate the transmit buffers if needed */
2887 if (!test_bit(FLAG_MPI,&ai->flags))
2888 for( i = 0; i < MAX_FIDS; i++ )
2889 ai->fids[i] = transmit_allocate (ai,2312,i>=MAX_FIDS/2);
2891 enable_interrupts( ai );
2892 netif_wake_queue(dev);
2896 EXPORT_SYMBOL(reset_airo_card);
2898 static void airo_send_event(struct net_device *dev) {
2899 struct airo_info *ai = dev->priv;
2900 union iwreq_data wrqu;
2901 StatusRid status_rid;
2903 clear_bit(JOB_EVENT, &ai->flags);
2904 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2906 wrqu.data.length = 0;
2907 wrqu.data.flags = 0;
2908 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2909 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2911 /* Send event to user space */
2912 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2915 static int airo_thread(void *data) {
2916 struct net_device *dev = data;
2917 struct airo_info *ai = dev->priv;
2920 daemonize("%s", dev->name);
2921 allow_signal(SIGTERM);
2924 if (signal_pending(current))
2925 flush_signals(current);
2927 /* make swsusp happy with our thread */
2930 if (test_bit(JOB_DIE, &ai->flags))
2933 if (ai->flags & JOB_MASK) {
2934 locked = down_interruptible(&ai->sem);
2938 init_waitqueue_entry(&wait, current);
2939 add_wait_queue(&ai->thr_wait, &wait);
2941 set_current_state(TASK_INTERRUPTIBLE);
2942 if (ai->flags & JOB_MASK)
2945 if (time_after_eq(jiffies,ai->expires)){
2946 set_bit(JOB_AUTOWEP,&ai->flags);
2949 if (!signal_pending(current)) {
2950 schedule_timeout(ai->expires - jiffies);
2953 } else if (!signal_pending(current)) {
2959 current->state = TASK_RUNNING;
2960 remove_wait_queue(&ai->thr_wait, &wait);
2967 if (test_bit(JOB_DIE, &ai->flags)) {
2972 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
2977 if (test_bit(JOB_XMIT, &ai->flags))
2979 else if (test_bit(JOB_XMIT11, &ai->flags))
2980 airo_end_xmit11(dev);
2981 else if (test_bit(JOB_STATS, &ai->flags))
2982 airo_read_stats(ai);
2983 else if (test_bit(JOB_WSTATS, &ai->flags))
2984 airo_read_wireless_stats(ai);
2985 else if (test_bit(JOB_PROMISC, &ai->flags))
2986 airo_set_promisc(ai);
2988 else if (test_bit(JOB_MIC, &ai->flags))
2991 else if (test_bit(JOB_EVENT, &ai->flags))
2992 airo_send_event(dev);
2993 else if (test_bit(JOB_AUTOWEP, &ai->flags))
2996 complete_and_exit (&ai->thr_exited, 0);
2999 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
3000 struct net_device *dev = (struct net_device *)dev_id;
3003 struct airo_info *apriv = dev->priv;
3004 u16 savedInterrupts = 0;
3007 if (!netif_device_present(dev))
3011 status = IN4500( apriv, EVSTAT );
3012 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3016 if ( status & EV_AWAKE ) {
3017 OUT4500( apriv, EVACK, EV_AWAKE );
3018 OUT4500( apriv, EVACK, EV_AWAKE );
3021 if (!savedInterrupts) {
3022 savedInterrupts = IN4500( apriv, EVINTEN );
3023 OUT4500( apriv, EVINTEN, 0 );
3026 if ( status & EV_MIC ) {
3027 OUT4500( apriv, EVACK, EV_MIC );
3029 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3030 set_bit(JOB_MIC, &apriv->flags);
3031 wake_up_interruptible(&apriv->thr_wait);
3035 if ( status & EV_LINK ) {
3036 union iwreq_data wrqu;
3037 /* The link status has changed, if you want to put a
3038 monitor hook in, do it here. (Remember that
3039 interrupts are still disabled!)
3041 u16 newStatus = IN4500(apriv, LINKSTAT);
3042 OUT4500( apriv, EVACK, EV_LINK);
3043 /* Here is what newStatus means: */
3044 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3045 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3046 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3047 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3048 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3049 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3050 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3051 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3053 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3055 #define ASSOCIATED 0x0400 /* Assocatied */
3056 #define RC_RESERVED 0 /* Reserved return code */
3057 #define RC_NOREASON 1 /* Unspecified reason */
3058 #define RC_AUTHINV 2 /* Previous authentication invalid */
3059 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3061 #define RC_NOACT 4 /* Disassociated due to inactivity */
3062 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3063 all currently associated stations */
3064 #define RC_BADCLASS2 6 /* Class 2 frame received from
3065 non-Authenticated station */
3066 #define RC_BADCLASS3 7 /* Class 3 frame received from
3067 non-Associated station */
3068 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3070 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3071 Authenticated with the responding station */
3072 if (newStatus != ASSOCIATED) {
3073 if (auto_wep && !apriv->expires) {
3074 apriv->expires = RUN_AT(3*HZ);
3075 wake_up_interruptible(&apriv->thr_wait);
3078 struct task_struct *task = apriv->task;
3082 wake_up_process (task);
3083 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3084 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3086 /* Question : is ASSOCIATED the only status
3087 * that is valid ? We want to catch handover
3088 * and reassociations as valid status
3090 if(newStatus == ASSOCIATED) {
3091 if (apriv->scan_timestamp) {
3092 /* Send an empty event to user space.
3093 * We don't send the received data on
3094 * the event because it would require
3095 * us to do complex transcoding, and
3096 * we want to minimise the work done in
3097 * the irq handler. Use a request to
3098 * extract the data - Jean II */
3099 wrqu.data.length = 0;
3100 wrqu.data.flags = 0;
3101 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
3102 apriv->scan_timestamp = 0;
3104 if (down_trylock(&apriv->sem) != 0) {
3105 set_bit(JOB_EVENT, &apriv->flags);
3106 wake_up_interruptible(&apriv->thr_wait);
3108 airo_send_event(dev);
3110 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3111 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3113 /* Send event to user space */
3114 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3118 /* Check to see if there is something to receive */
3119 if ( status & EV_RX ) {
3120 struct sk_buff *skb = NULL;
3121 u16 fc, len, hdrlen = 0;
3135 if (test_bit(FLAG_MPI,&apriv->flags)) {
3136 if (test_bit(FLAG_802_11, &apriv->flags))
3137 mpi_receive_802_11(apriv);
3139 mpi_receive_802_3(apriv);
3140 OUT4500(apriv, EVACK, EV_RX);
3144 fid = IN4500( apriv, RXFID );
3146 /* Get the packet length */
3147 if (test_bit(FLAG_802_11, &apriv->flags)) {
3148 bap_setup (apriv, fid, 4, BAP0);
3149 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3150 /* Bad CRC. Ignore packet */
3151 if (le16_to_cpu(hdr.status) & 2)
3153 if (apriv->wifidev == NULL)
3156 bap_setup (apriv, fid, 0x36, BAP0);
3157 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3159 len = le16_to_cpu(hdr.len);
3162 printk( KERN_ERR "airo: Bad size %d\n", len );
3168 if (test_bit(FLAG_802_11, &apriv->flags)) {
3169 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3170 fc = le16_to_cpu(fc);
3173 if ((fc & 0xe0) == 0xc0)
3179 if ((fc&0x300)==0x300){
3187 hdrlen = ETH_ALEN * 2;
3189 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3191 apriv->stats.rx_dropped++;
3194 skb_reserve(skb, 2); /* This way the IP header is aligned */
3195 buffer = (u16*)skb_put (skb, len + hdrlen);
3196 if (test_bit(FLAG_802_11, &apriv->flags)) {
3198 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3200 bap_read (apriv, tmpbuf, 6, BAP0);
3202 bap_read (apriv, &gap, sizeof(gap), BAP0);
3203 gap = le16_to_cpu(gap);
3206 bap_read (apriv, tmpbuf, gap, BAP0);
3208 printk(KERN_ERR "airo: gaplen too big. Problems will follow...\n");
3210 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3215 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3217 if (apriv->micstats.enabled) {
3218 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);