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/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.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>
49 #include <net/ieee80211.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
55 #define DRV_NAME "airo"
58 static struct pci_device_id card_ids[] = {
59 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
61 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 MODULE_DEVICE_TABLE(pci, card_ids);
70 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
71 static void airo_pci_remove(struct pci_dev *);
72 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
73 static int airo_pci_resume(struct pci_dev *pdev);
75 static struct pci_driver airo_driver = {
78 .probe = airo_pci_probe,
79 .remove = __devexit_p(airo_pci_remove),
80 .suspend = airo_pci_suspend,
81 .resume = airo_pci_resume,
83 #endif /* CONFIG_PCI */
85 /* Include Wireless Extension definition and check version - Jean II */
86 #include <linux/wireless.h>
87 #define WIRELESS_SPY // enable iwspy support
88 #include <net/iw_handler.h> // New driver API
90 #define CISCO_EXT // enable Cisco extensions
92 #include <linux/delay.h>
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
474 #define RID_WPA_BSSLISTFIRST 0xFF74
475 #define RID_WPA_BSSLISTNEXT 0xFF75
492 * Rids and endian-ness: The Rids will always be in cpu endian, since
493 * this all the patches from the big-endian guys end up doing that.
494 * so all rid access should use the read/writeXXXRid routines.
497 /* This is redundant for x86 archs, but it seems necessary for ARM */
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
510 /* These structures are from the Aironet's PC4500 Developers Manual */
524 #define MOD_DEFAULT 0
530 u16 len; /* sizeof(ConfigRid) */
531 u16 opmode; /* operating mode */
532 #define MODE_STA_IBSS 0
533 #define MODE_STA_ESS 1
535 #define MODE_AP_RPTR 3
536 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
537 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
538 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
539 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
540 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
541 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
542 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
543 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
544 #define MODE_MIC (1<<15) /* enable MIC */
545 u16 rmode; /* receive mode */
546 #define RXMODE_BC_MC_ADDR 0
547 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
548 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
549 #define RXMODE_RFMON 3 /* wireless monitor mode */
550 #define RXMODE_RFMON_ANYBSS 4
551 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
552 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
553 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
556 u8 macAddr[ETH_ALEN];
560 u16 txLifetime; /* in kusec */
561 u16 rxLifetime; /* in kusec */
564 u16 u16deviceType; /* for overriding device type */
568 /*---------- Scanning/Associating ----------*/
570 #define SCANMODE_ACTIVE 0
571 #define SCANMODE_PASSIVE 1
572 #define SCANMODE_AIROSCAN 2
573 u16 probeDelay; /* in kusec */
574 u16 probeEnergyTimeout; /* in kusec */
575 u16 probeResponseTimeout;
576 u16 beaconListenTimeout;
580 #define AUTH_OPEN 0x1
581 #define AUTH_ENCRYPT 0x101
582 #define AUTH_SHAREDKEY 0x102
583 #define AUTH_ALLOW_UNENCRYPTED 0x200
584 u16 associationTimeout;
585 u16 specifiedApTimeout;
586 u16 offlineScanInterval;
587 u16 offlineScanDuration;
589 u16 maxBeaconLostTime;
591 #define DISABLE_REFRESH 0xFFFF
593 /*---------- Power save operation ----------*/
595 #define POWERSAVE_CAM 0
596 #define POWERSAVE_PSP 1
597 #define POWERSAVE_PSPCAM 2
600 u16 fastListenInterval;
604 /*---------- Ap/Ibss config items ----------*/
613 /*---------- Radio configuration ----------*/
615 #define RADIOTYPE_DEFAULT 0
616 #define RADIOTYPE_802_11 1
617 #define RADIOTYPE_LEGACY 2
621 #define TXPOWER_DEFAULT 0
623 #define RSSI_DEFAULT 0
625 #define PREAMBLE_AUTO 0
626 #define PREAMBLE_LONG 1
627 #define PREAMBLE_SHORT 2
631 /*---------- Aironet Extensions ----------*/
637 /*---------- Aironet Extensions ----------*/
639 #define MAGIC_ACTION_STSCHG 1
640 #define MAGIC_ACTION_RESUME 2
641 #define MAGIC_IGNORE_MCAST (1<<8)
642 #define MAGIC_IGNORE_BCAST (1<<9)
643 #define MAGIC_SWITCH_TO_PSP (0<<10)
644 #define MAGIC_STAY_IN_CAM (1<<10)
658 u8 bssid[4][ETH_ALEN];
672 u16 normalizedSignalStrength;
675 u8 noisePercent; /* Noise percent in last second */
676 u8 noisedBm; /* Noise dBm in last second */
677 u8 noiseAvePercent; /* Noise percent in last minute */
678 u8 noiseAvedBm; /* Noise dBm in last minute */
679 u8 noiseMaxPercent; /* Highest noise percent in last minute */
680 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
684 #define STAT_NOPACKETS 0
685 #define STAT_NOCARRIERSET 10
686 #define STAT_GOTCARRIERSET 11
687 #define STAT_WRONGSSID 20
688 #define STAT_BADCHANNEL 25
689 #define STAT_BADBITRATES 30
690 #define STAT_BADPRIVACY 35
691 #define STAT_APFOUND 40
692 #define STAT_APREJECTED 50
693 #define STAT_AUTHENTICATING 60
694 #define STAT_DEAUTHENTICATED 61
695 #define STAT_AUTHTIMEOUT 62
696 #define STAT_ASSOCIATING 70
697 #define STAT_DEASSOCIATED 71
698 #define STAT_ASSOCTIMEOUT 72
699 #define STAT_NOTAIROAP 73
700 #define STAT_ASSOCIATED 80
701 #define STAT_LEAPING 90
702 #define STAT_LEAPFAILED 91
703 #define STAT_LEAPTIMEDOUT 92
704 #define STAT_LEAPCOMPLETE 93
727 char factoryAddr[ETH_ALEN];
728 char aironetAddr[ETH_ALEN];
731 char callid[ETH_ALEN];
732 char supportedRates[8];
735 u16 txPowerLevels[8];
749 /* Only present on firmware >= 5.30.17 */
752 u8 fixed[12]; /* WLAN management frame */
758 u16 index; /* First is 0 and 0xffff means end of list */
759 #define RADIO_FH 1 /* Frequency hopping radio type */
760 #define RADIO_DS 2 /* Direct sequence radio type */
761 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
763 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
768 #define CAP_ESS (1<<0)
769 #define CAP_IBSS (1<<1)
770 #define CAP_PRIVACY (1<<4)
771 #define CAP_SHORTHDR (1<<5)
774 u8 rates[8]; /* Same as rates for config rid */
775 struct { /* For frequency hopping only */
785 /* Only present on firmware >= 5.30.17 */
786 BSSListRidExtra extra;
791 struct list_head list;
837 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
838 #define TXCTL_TXEX (1<<2) /* report if tx fails */
839 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
840 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
841 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
842 #define TXCTL_LLC (1<<4) /* payload is llc */
843 #define TXCTL_RELEASE (0<<5) /* release after completion */
844 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
846 #define BUSY_FID 0x10000
849 #define AIROMAGIC 0xa55a
850 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
851 #ifdef SIOCIWFIRSTPRIV
852 #ifdef SIOCDEVPRIVATE
853 #define AIROOLDIOCTL SIOCDEVPRIVATE
854 #define AIROOLDIDIFC AIROOLDIOCTL + 1
855 #endif /* SIOCDEVPRIVATE */
856 #else /* SIOCIWFIRSTPRIV */
857 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
858 #endif /* SIOCIWFIRSTPRIV */
859 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
860 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
861 * only and don't return the modified struct ifreq to the application which
862 * is usually a problem. - Jean II */
863 #define AIROIOCTL SIOCIWFIRSTPRIV
864 #define AIROIDIFC AIROIOCTL + 1
866 /* Ioctl constants to be used in airo_ioctl.command */
868 #define AIROGCAP 0 // Capability rid
869 #define AIROGCFG 1 // USED A LOT
870 #define AIROGSLIST 2 // System ID list
871 #define AIROGVLIST 3 // List of specified AP's
872 #define AIROGDRVNAM 4 // NOTUSED
873 #define AIROGEHTENC 5 // NOTUSED
874 #define AIROGWEPKTMP 6
875 #define AIROGWEPKNV 7
877 #define AIROGSTATSC32 9
878 #define AIROGSTATSD32 10
879 #define AIROGMICRID 11
880 #define AIROGMICSTATS 12
881 #define AIROGFLAGS 13
884 #define AIRORSWVERSION 17
886 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
888 #define AIROPCAP AIROGSTATSD32 + 40
889 #define AIROPVLIST AIROPCAP + 1
890 #define AIROPSLIST AIROPVLIST + 1
891 #define AIROPCFG AIROPSLIST + 1
892 #define AIROPSIDS AIROPCFG + 1
893 #define AIROPAPLIST AIROPSIDS + 1
894 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
895 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
896 #define AIROPSTCLR AIROPMACOFF + 1
897 #define AIROPWEPKEY AIROPSTCLR + 1
898 #define AIROPWEPKEYNV AIROPWEPKEY + 1
899 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
900 #define AIROPLEAPUSR AIROPLEAPPWD + 1
904 #define AIROFLSHRST AIROPWEPKEYNV + 40
905 #define AIROFLSHGCHR AIROFLSHRST + 1
906 #define AIROFLSHSTFL AIROFLSHGCHR + 1
907 #define AIROFLSHPCHR AIROFLSHSTFL + 1
908 #define AIROFLPUTBUF AIROFLSHPCHR + 1
909 #define AIRORESTART AIROFLPUTBUF + 1
911 #define FLASHSIZE 32768
912 #define AUXMEMSIZE (256 * 1024)
914 typedef struct aironet_ioctl {
915 unsigned short command; // What to do
916 unsigned short len; // Len of data
917 unsigned short ridnum; // rid number
918 unsigned char __user *data; // d-data
921 static char swversion[] = "2.1";
922 #endif /* CISCO_EXT */
924 #define NUM_MODULES 2
925 #define MIC_MSGLEN_MAX 2400
926 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
927 #define AIRO_DEF_MTU 2312
931 u8 enabled; // MIC enabled or not
932 u32 rxSuccess; // successful packets received
933 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
934 u32 rxNotMICed; // pkts dropped due to not being MIC'd
935 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
936 u32 rxWrongSequence; // pkts dropped due to sequence number violation
941 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
942 u64 accum; // accumulated mic, reduced to u32 in final()
943 int position; // current position (byte offset) in message
947 } part; // saves partial message word across update() calls
951 emmh32_context seed; // Context - the seed
952 u32 rx; // Received sequence number
953 u32 tx; // Tx sequence number
954 u32 window; // Start of window
955 u8 valid; // Flag to say if context is valid or not
960 miccntx mCtx; // Multicast context
961 miccntx uCtx; // Unicast context
965 unsigned int rid: 16;
966 unsigned int len: 15;
967 unsigned int valid: 1;
968 dma_addr_t host_addr;
972 unsigned int offset: 15;
974 unsigned int len: 15;
975 unsigned int valid: 1;
976 dma_addr_t host_addr;
980 unsigned int ctl: 15;
982 unsigned int len: 15;
983 unsigned int valid: 1;
984 dma_addr_t host_addr;
988 * Host receive descriptor
991 unsigned char __iomem *card_ram_off; /* offset into card memory of the
993 RxFid rx_desc; /* card receive descriptor */
994 char *virtual_host_addr; /* virtual address of host receive
1000 * Host transmit descriptor
1003 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1005 TxFid tx_desc; /* card transmit descriptor */
1006 char *virtual_host_addr; /* virtual address of host receive
1012 * Host RID descriptor
1015 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1017 Rid rid_desc; /* card RID descriptor */
1018 char *virtual_host_addr; /* virtual address of host receive
1027 #define HOST_SET (1 << 0)
1028 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1029 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1030 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1031 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1032 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1033 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1034 #define HOST_RTS (1 << 9) /* Force RTS use */
1035 #define HOST_SHORT (1 << 10) /* Do short preamble */
1062 static WifiCtlHdr wifictlhdr8023 = {
1064 .ctl = HOST_DONT_RLSE,
1068 // Frequency list (map channels to frequencies)
1069 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1070 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1072 // A few details needed for WEP (Wireless Equivalent Privacy)
1073 #define MAX_KEY_SIZE 13 // 128 (?) bits
1074 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1075 typedef struct wep_key_t {
1077 u8 key[16]; /* 40-bit and 104-bit keys */
1080 /* Backward compatibility */
1081 #ifndef IW_ENCODE_NOKEY
1082 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1083 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1084 #endif /* IW_ENCODE_NOKEY */
1086 /* List of Wireless Handlers (new API) */
1087 static const struct iw_handler_def airo_handler_def;
1089 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1093 static int get_dec_u16( char *buffer, int *start, int limit );
1094 static void OUT4500( struct airo_info *, u16 register, u16 value );
1095 static unsigned short IN4500( struct airo_info *, u16 register );
1096 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1097 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1098 static void disable_MAC(struct airo_info *ai, int lock);
1099 static void enable_interrupts(struct airo_info*);
1100 static void disable_interrupts(struct airo_info*);
1101 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1102 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1103 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1105 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1107 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1109 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1110 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1111 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1112 *pBuf, int len, int lock);
1113 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1114 int len, int dummy );
1115 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1116 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1117 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1119 static int mpi_send_packet (struct net_device *dev);
1120 static void mpi_unmap_card(struct pci_dev *pci);
1121 static void mpi_receive_802_3(struct airo_info *ai);
1122 static void mpi_receive_802_11(struct airo_info *ai);
1123 static int waitbusy (struct airo_info *ai);
1125 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1126 static int airo_thread(void *data);
1127 static void timer_func( struct net_device *dev );
1128 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1129 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1130 static void airo_read_wireless_stats (struct airo_info *local);
1132 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1133 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1134 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1135 #endif /* CISCO_EXT */
1136 static void micinit(struct airo_info *ai);
1137 static int micsetup(struct airo_info *ai);
1138 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1139 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1141 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1142 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1144 static void airo_networks_free(struct airo_info *ai);
1147 struct net_device_stats stats;
1148 struct net_device *dev;
1149 struct list_head dev_list;
1150 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1151 use the high bit to mark whether it is in use. */
1153 #define MPI_MAX_FIDS 1
1156 char keyindex; // Used with auto wep
1157 char defindex; // Used with auto wep
1158 struct proc_dir_entry *proc_entry;
1159 spinlock_t aux_lock;
1160 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1161 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1162 #define FLAG_RADIO_MASK 0x03
1163 #define FLAG_ENABLED 2
1164 #define FLAG_ADHOC 3 /* Needed by MIC */
1165 #define FLAG_MIC_CAPABLE 4
1166 #define FLAG_UPDATE_MULTI 5
1167 #define FLAG_UPDATE_UNI 6
1168 #define FLAG_802_11 7
1169 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1170 #define FLAG_PENDING_XMIT 9
1171 #define FLAG_PENDING_XMIT11 10
1173 #define FLAG_REGISTERED 12
1174 #define FLAG_COMMIT 13
1175 #define FLAG_RESET 14
1176 #define FLAG_FLASHING 15
1177 #define FLAG_WPA_CAPABLE 16
1178 unsigned long flags;
1181 #define JOB_XMIT11 2
1183 #define JOB_PROMISC 4
1186 #define JOB_AUTOWEP 7
1187 #define JOB_WSTATS 8
1188 #define JOB_SCAN_RESULTS 9
1190 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1192 unsigned short *flash;
1194 struct task_struct *list_bss_task;
1195 struct task_struct *airo_thread_task;
1196 struct semaphore sem;
1197 wait_queue_head_t thr_wait;
1198 unsigned long expires;
1200 struct sk_buff *skb;
1203 struct net_device *wifidev;
1204 struct iw_statistics wstats; // wireless stats
1205 unsigned long scan_timeout; /* Time scan should be read */
1206 struct iw_spy_data spy_data;
1207 struct iw_public_data wireless_data;
1209 struct crypto_cipher *tfm;
1211 mic_statistics micstats;
1212 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1213 HostTxDesc txfids[MPI_MAX_FIDS];
1214 HostRidDesc config_desc;
1215 unsigned long ridbus; // phys addr of config_desc
1216 struct sk_buff_head txq;// tx queue used by mpi350 code
1217 struct pci_dev *pci;
1218 unsigned char __iomem *pcimem;
1219 unsigned char __iomem *pciaux;
1220 unsigned char *shared;
1221 dma_addr_t shared_dma;
1225 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1226 char proc_name[IFNAMSIZ];
1228 /* WPA-related stuff */
1229 unsigned int bssListFirst;
1230 unsigned int bssListNext;
1231 unsigned int bssListRidLen;
1233 struct list_head network_list;
1234 struct list_head network_free_list;
1235 BSSListElement *networks;
1238 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1240 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1243 static int setup_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245 static int takedown_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1248 static int cmdreset(struct airo_info *ai);
1249 static int setflashmode (struct airo_info *ai);
1250 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1251 static int flashputbuf(struct airo_info *ai);
1252 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1254 #define airo_print(type, name, fmt, args...) \
1255 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1257 #define airo_print_info(name, fmt, args...) \
1258 airo_print(KERN_INFO, name, fmt, ##args)
1260 #define airo_print_dbg(name, fmt, args...) \
1261 airo_print(KERN_DEBUG, name, fmt, ##args)
1263 #define airo_print_warn(name, fmt, args...) \
1264 airo_print(KERN_WARNING, name, fmt, ##args)
1266 #define airo_print_err(name, fmt, args...) \
1267 airo_print(KERN_ERR, name, fmt, ##args)
1270 /***********************************************************************
1272 ***********************************************************************
1275 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1276 static void MoveWindow(miccntx *context, u32 micSeq);
1277 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1278 struct crypto_cipher *tfm);
1279 static void emmh32_init(emmh32_context *context);
1280 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1281 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1282 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1284 /* micinit - Initialize mic seed */
1286 static void micinit(struct airo_info *ai)
1290 clear_bit(JOB_MIC, &ai->jobs);
1291 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1294 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1296 if (ai->micstats.enabled) {
1297 /* Key must be valid and different */
1298 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1299 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1300 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1301 /* Age current mic Context */
1302 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1303 /* Initialize new context */
1304 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1305 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1306 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1307 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1308 ai->mod[0].mCtx.valid = 1; //Key is now valid
1310 /* Give key to mic seed */
1311 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1314 /* Key must be valid and different */
1315 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1316 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1317 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1318 /* Age current mic Context */
1319 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1320 /* Initialize new context */
1321 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1323 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1324 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1325 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1326 ai->mod[0].uCtx.valid = 1; //Key is now valid
1328 //Give key to mic seed
1329 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1332 /* So next time we have a valid key and mic is enabled, we will update
1333 * the sequence number if the key is the same as before.
1335 ai->mod[0].uCtx.valid = 0;
1336 ai->mod[0].mCtx.valid = 0;
1340 /* micsetup - Get ready for business */
1342 static int micsetup(struct airo_info *ai) {
1345 if (ai->tfm == NULL)
1346 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1348 if (IS_ERR(ai->tfm)) {
1349 airo_print_err(ai->dev->name, "failed to load transform for AES");
1354 for (i=0; i < NUM_MODULES; i++) {
1355 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1356 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1361 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1363 /*===========================================================================
1364 * Description: Mic a packet
1366 * Inputs: etherHead * pointer to an 802.3 frame
1368 * Returns: BOOLEAN if successful, otherwise false.
1369 * PacketTxLen will be updated with the mic'd packets size.
1371 * Caveats: It is assumed that the frame buffer will already
1372 * be big enough to hold the largets mic message possible.
1373 * (No memory allocation is done here).
1375 * Author: sbraneky (10/15/01)
1376 * Merciless hacks by rwilcher (1/14/02)
1379 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1383 // Determine correct context
1384 // If not adhoc, always use unicast key
1386 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1387 context = &ai->mod[0].mCtx;
1389 context = &ai->mod[0].uCtx;
1391 if (!context->valid)
1394 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1396 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1399 mic->seq = htonl(context->tx);
1402 emmh32_init(&context->seed); // Mic the packet
1403 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1404 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1405 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1406 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1407 emmh32_final(&context->seed, (u8*)&mic->mic);
1409 /* New Type/length ?????????? */
1410 mic->typelen = 0; //Let NIC know it could be an oversized packet
1422 /*===========================================================================
1423 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1424 * (removes the MIC stuff) if packet is a valid packet.
1426 * Inputs: etherHead pointer to the 802.3 packet
1428 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1430 * Author: sbraneky (10/15/01)
1431 * Merciless hacks by rwilcher (1/14/02)
1432 *---------------------------------------------------------------------------
1435 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1441 mic_error micError = NONE;
1443 // Check if the packet is a Mic'd packet
1445 if (!ai->micstats.enabled) {
1446 //No Mic set or Mic OFF but we received a MIC'd packet.
1447 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1448 ai->micstats.rxMICPlummed++;
1454 if (ntohs(mic->typelen) == 0x888E)
1457 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1458 // Mic enabled but packet isn't Mic'd
1459 ai->micstats.rxMICPlummed++;
1463 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1465 //At this point we a have a mic'd packet and mic is enabled
1466 //Now do the mic error checking.
1468 //Receive seq must be odd
1469 if ( (micSEQ & 1) == 0 ) {
1470 ai->micstats.rxWrongSequence++;
1474 for (i = 0; i < NUM_MODULES; i++) {
1475 int mcast = eth->da[0] & 1;
1476 //Determine proper context
1477 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1479 //Make sure context is valid
1480 if (!context->valid) {
1482 micError = NOMICPLUMMED;
1488 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1490 emmh32_init(&context->seed);
1491 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1492 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1493 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1494 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1496 emmh32_final(&context->seed, digest);
1498 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1501 micError = INCORRECTMIC;
1505 //Check Sequence number if mics pass
1506 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1507 ai->micstats.rxSuccess++;
1511 micError = SEQUENCE;
1514 // Update statistics
1516 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1517 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1518 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1525 /*===========================================================================
1526 * Description: Checks the Rx Seq number to make sure it is valid
1527 * and hasn't already been received
1529 * Inputs: miccntx - mic context to check seq against
1530 * micSeq - the Mic seq number
1532 * Returns: TRUE if valid otherwise FALSE.
1534 * Author: sbraneky (10/15/01)
1535 * Merciless hacks by rwilcher (1/14/02)
1536 *---------------------------------------------------------------------------
1539 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1543 //Allow for the ap being rebooted - if it is then use the next
1544 //sequence number of the current sequence number - might go backwards
1547 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1548 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1549 context->window = (micSeq > 33) ? micSeq : 33;
1550 context->rx = 0; // Reset rx
1552 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1555 context->rx = 0; // Reset rx
1558 //Make sequence number relative to START of window
1559 seq = micSeq - (context->window - 33);
1561 //Too old of a SEQ number to check.
1566 //Window is infinite forward
1567 MoveWindow(context,micSeq);
1571 // We are in the window. Now check the context rx bit to see if it was already sent
1572 seq >>= 1; //divide by 2 because we only have odd numbers
1573 index = 1 << seq; //Get an index number
1575 if (!(context->rx & index)) {
1576 //micSEQ falls inside the window.
1577 //Add seqence number to the list of received numbers.
1578 context->rx |= index;
1580 MoveWindow(context,micSeq);
1587 static void MoveWindow(miccntx *context, u32 micSeq)
1591 //Move window if seq greater than the middle of the window
1592 if (micSeq > context->window) {
1593 shift = (micSeq - context->window) >> 1;
1597 context->rx >>= shift;
1601 context->window = micSeq; //Move window
1605 /*==============================================*/
1606 /*========== EMMH ROUTINES ====================*/
1607 /*==============================================*/
1609 /* mic accumulate */
1610 #define MIC_ACCUM(val) \
1611 context->accum += (u64)(val) * context->coeff[coeff_position++];
1613 static unsigned char aes_counter[16];
1615 /* expand the key to fill the MMH coefficient array */
1616 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1617 struct crypto_cipher *tfm)
1619 /* take the keying material, expand if necessary, truncate at 16-bytes */
1620 /* run through AES counter mode to generate context->coeff[] */
1624 u8 *cipher, plain[16];
1626 crypto_cipher_setkey(tfm, pkey, 16);
1628 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1629 aes_counter[15] = (u8)(counter >> 0);
1630 aes_counter[14] = (u8)(counter >> 8);
1631 aes_counter[13] = (u8)(counter >> 16);
1632 aes_counter[12] = (u8)(counter >> 24);
1634 memcpy (plain, aes_counter, 16);
1635 crypto_cipher_encrypt_one(tfm, plain, plain);
1637 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1638 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1644 /* prepare for calculation of a new mic */
1645 static void emmh32_init(emmh32_context *context)
1647 /* prepare for new mic calculation */
1649 context->position = 0;
1652 /* add some bytes to the mic calculation */
1653 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1655 int coeff_position, byte_position;
1657 if (len == 0) return;
1659 coeff_position = context->position >> 2;
1661 /* deal with partial 32-bit word left over from last update */
1662 byte_position = context->position & 3;
1663 if (byte_position) {
1664 /* have a partial word in part to deal with */
1666 if (len == 0) return;
1667 context->part.d8[byte_position++] = *pOctets++;
1668 context->position++;
1670 } while (byte_position < 4);
1671 MIC_ACCUM(htonl(context->part.d32));
1674 /* deal with full 32-bit words */
1676 MIC_ACCUM(htonl(*(u32 *)pOctets));
1677 context->position += 4;
1682 /* deal with partial 32-bit word that will be left over from this update */
1685 context->part.d8[byte_position++] = *pOctets++;
1686 context->position++;
1691 /* mask used to zero empty bytes for final partial word */
1692 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1694 /* calculate the mic */
1695 static void emmh32_final(emmh32_context *context, u8 digest[4])
1697 int coeff_position, byte_position;
1703 coeff_position = context->position >> 2;
1705 /* deal with partial 32-bit word left over from last update */
1706 byte_position = context->position & 3;
1707 if (byte_position) {
1708 /* have a partial word in part to deal with */
1709 val = htonl(context->part.d32);
1710 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1713 /* reduce the accumulated u64 to a 32-bit MIC */
1714 sum = context->accum;
1715 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1716 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1717 sum = utmp & 0xffffffffLL;
1718 if (utmp > 0x10000000fLL)
1722 digest[0] = (val>>24) & 0xFF;
1723 digest[1] = (val>>16) & 0xFF;
1724 digest[2] = (val>>8) & 0xFF;
1725 digest[3] = val & 0xFF;
1728 static int readBSSListRid(struct airo_info *ai, int first,
1735 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1736 memset(&cmd, 0, sizeof(cmd));
1737 cmd.cmd=CMD_LISTBSS;
1738 if (down_interruptible(&ai->sem))
1739 return -ERESTARTSYS;
1740 ai->list_bss_task = current;
1741 issuecommand(ai, &cmd, &rsp);
1743 /* Let the command take effect */
1744 schedule_timeout_uninterruptible(3 * HZ);
1745 ai->list_bss_task = NULL;
1747 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1748 list, ai->bssListRidLen, 1);
1750 list->len = le16_to_cpu(list->len);
1751 list->index = le16_to_cpu(list->index);
1752 list->radioType = le16_to_cpu(list->radioType);
1753 list->cap = le16_to_cpu(list->cap);
1754 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1755 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1756 list->dsChannel = le16_to_cpu(list->dsChannel);
1757 list->atimWindow = le16_to_cpu(list->atimWindow);
1758 list->dBm = le16_to_cpu(list->dBm);
1762 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1763 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1764 wkr, sizeof(*wkr), lock);
1766 wkr->len = le16_to_cpu(wkr->len);
1767 wkr->kindex = le16_to_cpu(wkr->kindex);
1768 wkr->klen = le16_to_cpu(wkr->klen);
1771 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1772 * the originals when we endian them... */
1773 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1775 WepKeyRid wkr = *pwkr;
1777 wkr.len = cpu_to_le16(wkr.len);
1778 wkr.kindex = cpu_to_le16(wkr.kindex);
1779 wkr.klen = cpu_to_le16(wkr.klen);
1780 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1781 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1783 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1785 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1791 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1793 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1795 ssidr->len = le16_to_cpu(ssidr->len);
1796 for(i = 0; i < 3; i++) {
1797 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1801 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1804 SsidRid ssidr = *pssidr;
1806 ssidr.len = cpu_to_le16(ssidr.len);
1807 for(i = 0; i < 3; i++) {
1808 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1810 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1813 static int readConfigRid(struct airo_info*ai, int lock) {
1821 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1825 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1827 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1828 *s = le16_to_cpu(*s);
1830 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1831 *s = le16_to_cpu(*s);
1833 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1834 *s = cpu_to_le16(*s);
1836 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1837 *s = cpu_to_le16(*s);
1842 static inline void checkThrottle(struct airo_info *ai) {
1844 /* Old hardware had a limit on encryption speed */
1845 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1846 for(i=0; i<8; i++) {
1847 if (ai->config.rates[i] > maxencrypt) {
1848 ai->config.rates[i] = 0;
1853 static int writeConfigRid(struct airo_info*ai, int lock) {
1857 if (!test_bit (FLAG_COMMIT, &ai->flags))
1860 clear_bit (FLAG_COMMIT, &ai->flags);
1861 clear_bit (FLAG_RESET, &ai->flags);
1865 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1866 set_bit(FLAG_ADHOC, &ai->flags);
1868 clear_bit(FLAG_ADHOC, &ai->flags);
1870 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1872 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1873 *s = cpu_to_le16(*s);
1875 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1876 *s = cpu_to_le16(*s);
1878 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1879 *s = cpu_to_le16(*s);
1881 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1882 *s = cpu_to_le16(*s);
1884 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1886 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1887 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1890 statr->len = le16_to_cpu(statr->len);
1891 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1893 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1894 *s = le16_to_cpu(*s);
1895 statr->load = le16_to_cpu(statr->load);
1896 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1899 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1900 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1901 aplr->len = le16_to_cpu(aplr->len);
1904 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1906 aplr->len = cpu_to_le16(aplr->len);
1907 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1910 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1911 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1914 capr->len = le16_to_cpu(capr->len);
1915 capr->prodNum = le16_to_cpu(capr->prodNum);
1916 capr->radioType = le16_to_cpu(capr->radioType);
1917 capr->country = le16_to_cpu(capr->country);
1918 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1919 *s = le16_to_cpu(*s);
1922 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1923 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1926 sr->len = le16_to_cpu(sr->len);
1927 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1931 static void try_auto_wep(struct airo_info *ai)
1933 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1934 ai->expires = RUN_AT(3*HZ);
1935 wake_up_interruptible(&ai->thr_wait);
1939 static int airo_open(struct net_device *dev) {
1940 struct airo_info *ai = dev->priv;
1944 if (test_bit(FLAG_FLASHING, &ai->flags))
1947 /* Make sure the card is configured.
1948 * Wireless Extensions may postpone config changes until the card
1949 * is open (to pipeline changes and speed-up card setup). If
1950 * those changes are not yet commited, do it now - Jean II */
1951 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1953 writeConfigRid(ai, 1);
1956 if (ai->wifidev != dev) {
1957 clear_bit(JOB_DIE, &ai->jobs);
1958 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1959 if (IS_ERR(ai->airo_thread_task))
1960 return (int)PTR_ERR(ai->airo_thread_task);
1962 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1965 airo_print_err(dev->name,
1966 "register interrupt %d failed, rc %d",
1968 set_bit(JOB_DIE, &ai->jobs);
1969 kthread_stop(ai->airo_thread_task);
1973 /* Power on the MAC controller (which may have been disabled) */
1974 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1975 enable_interrupts(ai);
1979 enable_MAC(ai, &rsp, 1);
1981 netif_start_queue(dev);
1985 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1986 int npacks, pending;
1987 unsigned long flags;
1988 struct airo_info *ai = dev->priv;
1991 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1994 npacks = skb_queue_len (&ai->txq);
1996 if (npacks >= MAXTXQ - 1) {
1997 netif_stop_queue (dev);
1998 if (npacks > MAXTXQ) {
1999 ai->stats.tx_fifo_errors++;
2002 skb_queue_tail (&ai->txq, skb);
2006 spin_lock_irqsave(&ai->aux_lock, flags);
2007 skb_queue_tail (&ai->txq, skb);
2008 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
2009 spin_unlock_irqrestore(&ai->aux_lock,flags);
2010 netif_wake_queue (dev);
2013 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2014 mpi_send_packet (dev);
2022 * Attempt to transmit a packet. Can be called from interrupt
2023 * or transmit . return number of packets we tried to send
2026 static int mpi_send_packet (struct net_device *dev)
2028 struct sk_buff *skb;
2029 unsigned char *buffer;
2030 s16 len, *payloadLen;
2031 struct airo_info *ai = dev->priv;
2034 /* get a packet to send */
2036 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2037 airo_print_err(dev->name,
2038 "%s: Dequeue'd zero in send_packet()",
2043 /* check min length*/
2044 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2047 ai->txfids[0].tx_desc.offset = 0;
2048 ai->txfids[0].tx_desc.valid = 1;
2049 ai->txfids[0].tx_desc.eoc = 1;
2050 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2053 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2054 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2055 * is immediatly after it. ------------------------------------------------
2056 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2057 * ------------------------------------------------
2060 memcpy((char *)ai->txfids[0].virtual_host_addr,
2061 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2063 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2064 sizeof(wifictlhdr8023));
2065 sendbuf = ai->txfids[0].virtual_host_addr +
2066 sizeof(wifictlhdr8023) + 2 ;
2069 * Firmware automaticly puts 802 header on so
2070 * we don't need to account for it in the length
2072 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2073 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2076 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2079 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2080 ai->txfids[0].tx_desc.len += sizeof(pMic);
2081 /* copy data into airo dma buffer */
2082 memcpy (sendbuf, buffer, sizeof(etherHead));
2083 buffer += sizeof(etherHead);
2084 sendbuf += sizeof(etherHead);
2085 memcpy (sendbuf, &pMic, sizeof(pMic));
2086 sendbuf += sizeof(pMic);
2087 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2089 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2091 dev->trans_start = jiffies;
2093 /* copy data into airo dma buffer */
2094 memcpy(sendbuf, buffer, len);
2097 memcpy_toio(ai->txfids[0].card_ram_off,
2098 &ai->txfids[0].tx_desc, sizeof(TxFid));
2100 OUT4500(ai, EVACK, 8);
2102 dev_kfree_skb_any(skb);
2106 static void get_tx_error(struct airo_info *ai, s32 fid)
2111 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2113 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2115 bap_read(ai, &status, 2, BAP0);
2117 if (le16_to_cpu(status) & 2) /* Too many retries */
2118 ai->stats.tx_aborted_errors++;
2119 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2120 ai->stats.tx_heartbeat_errors++;
2121 if (le16_to_cpu(status) & 8) /* Aid fail */
2123 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2124 ai->stats.tx_carrier_errors++;
2125 if (le16_to_cpu(status) & 0x20) /* Association lost */
2127 /* We produce a TXDROP event only for retry or lifetime
2128 * exceeded, because that's the only status that really mean
2129 * that this particular node went away.
2130 * Other errors means that *we* screwed up. - Jean II */
2131 if ((le16_to_cpu(status) & 2) ||
2132 (le16_to_cpu(status) & 4)) {
2133 union iwreq_data wrqu;
2136 /* Faster to skip over useless data than to do
2137 * another bap_setup(). We are at offset 0x6 and
2138 * need to go to 0x18 and read 6 bytes - Jean II */
2139 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2141 /* Copy 802.11 dest address.
2142 * We use the 802.11 header because the frame may
2143 * not be 802.3 or may be mangled...
2144 * In Ad-Hoc mode, it will be the node address.
2145 * In managed mode, it will be most likely the AP addr
2146 * User space will figure out how to convert it to
2147 * whatever it needs (IP address or else).
2149 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2150 wrqu.addr.sa_family = ARPHRD_ETHER;
2152 /* Send event to user space */
2153 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2157 static void airo_end_xmit(struct net_device *dev) {
2160 struct airo_info *priv = dev->priv;
2161 struct sk_buff *skb = priv->xmit.skb;
2162 int fid = priv->xmit.fid;
2163 u32 *fids = priv->fids;
2165 clear_bit(JOB_XMIT, &priv->jobs);
2166 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2167 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2171 if ( status == SUCCESS ) {
2172 dev->trans_start = jiffies;
2173 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2175 priv->fids[fid] &= 0xffff;
2176 priv->stats.tx_window_errors++;
2178 if (i < MAX_FIDS / 2)
2179 netif_wake_queue(dev);
2183 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2186 struct airo_info *priv = dev->priv;
2187 u32 *fids = priv->fids;
2189 if ( skb == NULL ) {
2190 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2194 /* Find a vacant FID */
2195 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2196 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2198 if ( j >= MAX_FIDS / 2 ) {
2199 netif_stop_queue(dev);
2201 if (i == MAX_FIDS / 2) {
2202 priv->stats.tx_fifo_errors++;
2206 /* check min length*/
2207 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2208 /* Mark fid as used & save length for later */
2209 fids[i] |= (len << 16);
2210 priv->xmit.skb = skb;
2212 if (down_trylock(&priv->sem) != 0) {
2213 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2214 netif_stop_queue(dev);
2215 set_bit(JOB_XMIT, &priv->jobs);
2216 wake_up_interruptible(&priv->thr_wait);
2222 static void airo_end_xmit11(struct net_device *dev) {
2225 struct airo_info *priv = dev->priv;
2226 struct sk_buff *skb = priv->xmit11.skb;
2227 int fid = priv->xmit11.fid;
2228 u32 *fids = priv->fids;
2230 clear_bit(JOB_XMIT11, &priv->jobs);
2231 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2232 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2236 if ( status == SUCCESS ) {
2237 dev->trans_start = jiffies;
2238 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2240 priv->fids[fid] &= 0xffff;
2241 priv->stats.tx_window_errors++;
2244 netif_wake_queue(dev);
2248 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2251 struct airo_info *priv = dev->priv;
2252 u32 *fids = priv->fids;
2254 if (test_bit(FLAG_MPI, &priv->flags)) {
2255 /* Not implemented yet for MPI350 */
2256 netif_stop_queue(dev);
2260 if ( skb == NULL ) {
2261 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2265 /* Find a vacant FID */
2266 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2267 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2269 if ( j >= MAX_FIDS ) {
2270 netif_stop_queue(dev);
2272 if (i == MAX_FIDS) {
2273 priv->stats.tx_fifo_errors++;
2277 /* check min length*/
2278 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2279 /* Mark fid as used & save length for later */
2280 fids[i] |= (len << 16);
2281 priv->xmit11.skb = skb;
2282 priv->xmit11.fid = i;
2283 if (down_trylock(&priv->sem) != 0) {
2284 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2285 netif_stop_queue(dev);
2286 set_bit(JOB_XMIT11, &priv->jobs);
2287 wake_up_interruptible(&priv->thr_wait);
2289 airo_end_xmit11(dev);
2293 static void airo_read_stats(struct airo_info *ai) {
2295 u32 *vals = stats_rid.vals;
2297 clear_bit(JOB_STATS, &ai->jobs);
2298 if (ai->power.event) {
2302 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2305 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2306 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2307 ai->stats.rx_bytes = vals[92];
2308 ai->stats.tx_bytes = vals[91];
2309 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2310 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2311 ai->stats.multicast = vals[43];
2312 ai->stats.collisions = vals[89];
2314 /* detailed rx_errors: */
2315 ai->stats.rx_length_errors = vals[3];
2316 ai->stats.rx_crc_errors = vals[4];
2317 ai->stats.rx_frame_errors = vals[2];
2318 ai->stats.rx_fifo_errors = vals[0];
2321 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2323 struct airo_info *local = dev->priv;
2325 if (!test_bit(JOB_STATS, &local->jobs)) {
2326 /* Get stats out of the card if available */
2327 if (down_trylock(&local->sem) != 0) {
2328 set_bit(JOB_STATS, &local->jobs);
2329 wake_up_interruptible(&local->thr_wait);
2331 airo_read_stats(local);
2334 return &local->stats;
2337 static void airo_set_promisc(struct airo_info *ai) {
2341 memset(&cmd, 0, sizeof(cmd));
2342 cmd.cmd=CMD_SETMODE;
2343 clear_bit(JOB_PROMISC, &ai->jobs);
2344 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2345 issuecommand(ai, &cmd, &rsp);
2349 static void airo_set_multicast_list(struct net_device *dev) {
2350 struct airo_info *ai = dev->priv;
2352 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2353 change_bit(FLAG_PROMISC, &ai->flags);
2354 if (down_trylock(&ai->sem) != 0) {
2355 set_bit(JOB_PROMISC, &ai->jobs);
2356 wake_up_interruptible(&ai->thr_wait);
2358 airo_set_promisc(ai);
2361 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2362 /* Turn on multicast. (Should be already setup...) */
2366 static int airo_set_mac_address(struct net_device *dev, void *p)
2368 struct airo_info *ai = dev->priv;
2369 struct sockaddr *addr = p;
2372 readConfigRid(ai, 1);
2373 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2374 set_bit (FLAG_COMMIT, &ai->flags);
2376 writeConfigRid (ai, 1);
2377 enable_MAC(ai, &rsp, 1);
2378 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2380 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2384 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2386 if ((new_mtu < 68) || (new_mtu > 2400))
2392 static LIST_HEAD(airo_devices);
2394 static void add_airo_dev(struct airo_info *ai)
2396 /* Upper layers already keep track of PCI devices,
2397 * so we only need to remember our non-PCI cards. */
2399 list_add_tail(&ai->dev_list, &airo_devices);
2402 static void del_airo_dev(struct airo_info *ai)
2405 list_del(&ai->dev_list);
2408 static int airo_close(struct net_device *dev) {
2409 struct airo_info *ai = dev->priv;
2411 netif_stop_queue(dev);
2413 if (ai->wifidev != dev) {
2414 #ifdef POWER_ON_DOWN
2415 /* Shut power to the card. The idea is that the user can save
2416 * power when he doesn't need the card with "ifconfig down".
2417 * That's the method that is most friendly towards the network
2418 * stack (i.e. the network stack won't try to broadcast
2419 * anything on the interface and routes are gone. Jean II */
2420 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2423 disable_interrupts( ai );
2425 free_irq(dev->irq, dev);
2427 set_bit(JOB_DIE, &ai->jobs);
2428 kthread_stop(ai->airo_thread_task);
2433 void stop_airo_card( struct net_device *dev, int freeres )
2435 struct airo_info *ai = dev->priv;
2437 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2439 disable_interrupts(ai);
2440 takedown_proc_entry( dev, ai );
2441 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2442 unregister_netdev( dev );
2444 unregister_netdev(ai->wifidev);
2445 free_netdev(ai->wifidev);
2448 clear_bit(FLAG_REGISTERED, &ai->flags);
2451 * Clean out tx queue
2453 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2454 struct sk_buff *skb = NULL;
2455 for (;(skb = skb_dequeue(&ai->txq));)
2459 airo_networks_free (ai);
2466 /* PCMCIA frees this stuff, so only for PCI and ISA */
2467 release_region( dev->base_addr, 64 );
2468 if (test_bit(FLAG_MPI, &ai->flags)) {
2470 mpi_unmap_card(ai->pci);
2472 iounmap(ai->pcimem);
2474 iounmap(ai->pciaux);
2475 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2476 ai->shared, ai->shared_dma);
2479 crypto_free_cipher(ai->tfm);
2484 EXPORT_SYMBOL(stop_airo_card);
2486 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2488 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2492 static void mpi_unmap_card(struct pci_dev *pci)
2494 unsigned long mem_start = pci_resource_start(pci, 1);
2495 unsigned long mem_len = pci_resource_len(pci, 1);
2496 unsigned long aux_start = pci_resource_start(pci, 2);
2497 unsigned long aux_len = AUXMEMSIZE;
2499 release_mem_region(aux_start, aux_len);
2500 release_mem_region(mem_start, mem_len);
2503 /*************************************************************
2504 * This routine assumes that descriptors have been setup .
2505 * Run at insmod time or after reset when the decriptors
2506 * have been initialized . Returns 0 if all is well nz
2507 * otherwise . Does not allocate memory but sets up card
2508 * using previously allocated descriptors.
2510 static int mpi_init_descriptors (struct airo_info *ai)
2517 /* Alloc card RX descriptors */
2518 netif_stop_queue(ai->dev);
2520 memset(&rsp,0,sizeof(rsp));
2521 memset(&cmd,0,sizeof(cmd));
2523 cmd.cmd = CMD_ALLOCATEAUX;
2525 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2526 cmd.parm2 = MPI_MAX_FIDS;
2527 rc=issuecommand(ai, &cmd, &rsp);
2528 if (rc != SUCCESS) {
2529 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2533 for (i=0; i<MPI_MAX_FIDS; i++) {
2534 memcpy_toio(ai->rxfids[i].card_ram_off,
2535 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2538 /* Alloc card TX descriptors */
2540 memset(&rsp,0,sizeof(rsp));
2541 memset(&cmd,0,sizeof(cmd));
2543 cmd.cmd = CMD_ALLOCATEAUX;
2545 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2546 cmd.parm2 = MPI_MAX_FIDS;
2548 for (i=0; i<MPI_MAX_FIDS; i++) {
2549 ai->txfids[i].tx_desc.valid = 1;
2550 memcpy_toio(ai->txfids[i].card_ram_off,
2551 &ai->txfids[i].tx_desc, sizeof(TxFid));
2553 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2555 rc=issuecommand(ai, &cmd, &rsp);
2556 if (rc != SUCCESS) {
2557 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2561 /* Alloc card Rid descriptor */
2562 memset(&rsp,0,sizeof(rsp));
2563 memset(&cmd,0,sizeof(cmd));
2565 cmd.cmd = CMD_ALLOCATEAUX;
2567 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2568 cmd.parm2 = 1; /* Magic number... */
2569 rc=issuecommand(ai, &cmd, &rsp);
2570 if (rc != SUCCESS) {
2571 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2575 memcpy_toio(ai->config_desc.card_ram_off,
2576 &ai->config_desc.rid_desc, sizeof(Rid));
2582 * We are setting up three things here:
2583 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2584 * 2) Map PCI memory for issueing commands.
2585 * 3) Allocate memory (shared) to send and receive ethernet frames.
2587 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2589 unsigned long mem_start, mem_len, aux_start, aux_len;
2592 dma_addr_t busaddroff;
2593 unsigned char *vpackoff;
2594 unsigned char __iomem *pciaddroff;
2596 mem_start = pci_resource_start(pci, 1);
2597 mem_len = pci_resource_len(pci, 1);
2598 aux_start = pci_resource_start(pci, 2);
2599 aux_len = AUXMEMSIZE;
2601 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2602 airo_print_err("", "Couldn't get region %x[%x]",
2603 (int)mem_start, (int)mem_len);
2606 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2607 airo_print_err("", "Couldn't get region %x[%x]",
2608 (int)aux_start, (int)aux_len);
2612 ai->pcimem = ioremap(mem_start, mem_len);
2614 airo_print_err("", "Couldn't map region %x[%x]",
2615 (int)mem_start, (int)mem_len);
2618 ai->pciaux = ioremap(aux_start, aux_len);
2620 airo_print_err("", "Couldn't map region %x[%x]",
2621 (int)aux_start, (int)aux_len);
2625 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2626 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2628 airo_print_err("", "Couldn't alloc_consistent %d",
2634 * Setup descriptor RX, TX, CONFIG
2636 busaddroff = ai->shared_dma;
2637 pciaddroff = ai->pciaux + AUX_OFFSET;
2638 vpackoff = ai->shared;
2640 /* RX descriptor setup */
2641 for(i = 0; i < MPI_MAX_FIDS; i++) {
2642 ai->rxfids[i].pending = 0;
2643 ai->rxfids[i].card_ram_off = pciaddroff;
2644 ai->rxfids[i].virtual_host_addr = vpackoff;
2645 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2646 ai->rxfids[i].rx_desc.valid = 1;
2647 ai->rxfids[i].rx_desc.len = PKTSIZE;
2648 ai->rxfids[i].rx_desc.rdy = 0;
2650 pciaddroff += sizeof(RxFid);
2651 busaddroff += PKTSIZE;
2652 vpackoff += PKTSIZE;
2655 /* TX descriptor setup */
2656 for(i = 0; i < MPI_MAX_FIDS; i++) {
2657 ai->txfids[i].card_ram_off = pciaddroff;
2658 ai->txfids[i].virtual_host_addr = vpackoff;
2659 ai->txfids[i].tx_desc.valid = 1;
2660 ai->txfids[i].tx_desc.host_addr = busaddroff;
2661 memcpy(ai->txfids[i].virtual_host_addr,
2662 &wifictlhdr8023, sizeof(wifictlhdr8023));
2664 pciaddroff += sizeof(TxFid);
2665 busaddroff += PKTSIZE;
2666 vpackoff += PKTSIZE;
2668 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2670 /* Rid descriptor setup */
2671 ai->config_desc.card_ram_off = pciaddroff;
2672 ai->config_desc.virtual_host_addr = vpackoff;
2673 ai->config_desc.rid_desc.host_addr = busaddroff;
2674 ai->ridbus = busaddroff;
2675 ai->config_desc.rid_desc.rid = 0;
2676 ai->config_desc.rid_desc.len = RIDSIZE;
2677 ai->config_desc.rid_desc.valid = 1;
2678 pciaddroff += sizeof(Rid);
2679 busaddroff += RIDSIZE;
2680 vpackoff += RIDSIZE;
2682 /* Tell card about descriptors */
2683 if (mpi_init_descriptors (ai) != SUCCESS)
2688 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2690 iounmap(ai->pciaux);
2692 iounmap(ai->pcimem);
2694 release_mem_region(aux_start, aux_len);
2696 release_mem_region(mem_start, mem_len);
2701 static void wifi_setup(struct net_device *dev)
2703 dev->hard_header = NULL;
2704 dev->rebuild_header = NULL;
2705 dev->hard_header_cache = NULL;
2706 dev->header_cache_update= NULL;
2708 dev->hard_header_parse = wll_header_parse;
2709 dev->hard_start_xmit = &airo_start_xmit11;
2710 dev->get_stats = &airo_get_stats;
2711 dev->set_mac_address = &airo_set_mac_address;
2712 dev->do_ioctl = &airo_ioctl;
2713 dev->wireless_handlers = &airo_handler_def;
2714 dev->change_mtu = &airo_change_mtu;
2715 dev->open = &airo_open;
2716 dev->stop = &airo_close;
2718 dev->type = ARPHRD_IEEE80211;
2719 dev->hard_header_len = ETH_HLEN;
2720 dev->mtu = AIRO_DEF_MTU;
2721 dev->addr_len = ETH_ALEN;
2722 dev->tx_queue_len = 100;
2724 memset(dev->broadcast,0xFF, ETH_ALEN);
2726 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2729 static struct net_device *init_wifidev(struct airo_info *ai,
2730 struct net_device *ethdev)
2733 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2736 dev->priv = ethdev->priv;
2737 dev->irq = ethdev->irq;
2738 dev->base_addr = ethdev->base_addr;
2739 dev->wireless_data = ethdev->wireless_data;
2740 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2741 err = register_netdev(dev);
2749 static int reset_card( struct net_device *dev , int lock) {
2750 struct airo_info *ai = dev->priv;
2752 if (lock && down_interruptible(&ai->sem))
2755 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2764 #define AIRO_MAX_NETWORK_COUNT 64
2765 static int airo_networks_allocate(struct airo_info *ai)
2771 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2773 if (!ai->networks) {
2774 airo_print_warn("", "Out of memory allocating beacons");
2781 static void airo_networks_free(struct airo_info *ai)
2783 kfree(ai->networks);
2784 ai->networks = NULL;
2787 static void airo_networks_initialize(struct airo_info *ai)
2791 INIT_LIST_HEAD(&ai->network_free_list);
2792 INIT_LIST_HEAD(&ai->network_list);
2793 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2794 list_add_tail(&ai->networks[i].list,
2795 &ai->network_free_list);
2798 static int airo_test_wpa_capable(struct airo_info *ai)
2801 CapabilityRid cap_rid;
2803 status = readCapabilityRid(ai, &cap_rid, 1);
2804 if (status != SUCCESS) return 0;
2806 /* Only firmware versions 5.30.17 or better can do WPA */
2807 if ((cap_rid.softVer > 0x530)
2808 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2809 airo_print_info("", "WPA is supported.");
2813 /* No WPA support */
2814 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2815 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2819 static struct net_device *_init_airo_card( unsigned short irq, int port,
2820 int is_pcmcia, struct pci_dev *pci,
2821 struct device *dmdev )
2823 struct net_device *dev;
2824 struct airo_info *ai;
2827 /* Create the network device object. */
2828 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2830 airo_print_err("", "Couldn't alloc_etherdev");
2839 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2840 airo_print_dbg("", "Found an MPI350 card");
2841 set_bit(FLAG_MPI, &ai->flags);
2843 spin_lock_init(&ai->aux_lock);
2844 sema_init(&ai->sem, 1);
2847 init_waitqueue_head (&ai->thr_wait);
2851 if (airo_networks_allocate (ai))
2853 airo_networks_initialize (ai);
2855 /* The Airo-specific entries in the device structure. */
2856 if (test_bit(FLAG_MPI,&ai->flags)) {
2857 skb_queue_head_init (&ai->txq);
2858 dev->hard_start_xmit = &mpi_start_xmit;
2860 dev->hard_start_xmit = &airo_start_xmit;
2861 dev->get_stats = &airo_get_stats;
2862 dev->set_multicast_list = &airo_set_multicast_list;
2863 dev->set_mac_address = &airo_set_mac_address;
2864 dev->do_ioctl = &airo_ioctl;
2865 dev->wireless_handlers = &airo_handler_def;
2866 ai->wireless_data.spy_data = &ai->spy_data;
2867 dev->wireless_data = &ai->wireless_data;
2868 dev->change_mtu = &airo_change_mtu;
2869 dev->open = &airo_open;
2870 dev->stop = &airo_close;
2872 dev->base_addr = port;
2874 SET_NETDEV_DEV(dev, dmdev);
2875 SET_MODULE_OWNER(dev);
2877 reset_card (dev, 1);
2881 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2883 airo_print_err(dev->name, "Couldn't request region");
2888 if (test_bit(FLAG_MPI,&ai->flags)) {
2889 if (mpi_map_card(ai, pci)) {
2890 airo_print_err("", "Could not map memory");
2896 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2897 airo_print_err(dev->name, "MAC could not be enabled" );
2901 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2902 ai->bap_read = fast_bap_read;
2903 set_bit(FLAG_FLASHING, &ai->flags);
2906 /* Test for WPA support */
2907 if (airo_test_wpa_capable(ai)) {
2908 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2909 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2910 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2911 ai->bssListRidLen = sizeof(BSSListRid);
2913 ai->bssListFirst = RID_BSSLISTFIRST;
2914 ai->bssListNext = RID_BSSLISTNEXT;
2915 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2918 strcpy(dev->name, "eth%d");
2919 rc = register_netdev(dev);
2921 airo_print_err(dev->name, "Couldn't register_netdev");
2924 ai->wifidev = init_wifidev(ai, dev);
2928 set_bit(FLAG_REGISTERED,&ai->flags);
2929 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2930 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2931 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2933 /* Allocate the transmit buffers */
2934 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2935 for( i = 0; i < MAX_FIDS; i++ )
2936 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2938 if (setup_proc_entry(dev, dev->priv) < 0)
2944 unregister_netdev(ai->wifidev);
2945 free_netdev(ai->wifidev);
2947 unregister_netdev(dev);
2949 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2950 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2951 iounmap(ai->pciaux);
2952 iounmap(ai->pcimem);
2953 mpi_unmap_card(ai->pci);
2957 release_region( dev->base_addr, 64 );
2959 airo_networks_free(ai);
2966 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2967 struct device *dmdev)
2969 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2972 EXPORT_SYMBOL(init_airo_card);
2974 static int waitbusy (struct airo_info *ai) {
2976 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2978 if ((++delay % 20) == 0)
2979 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2981 return delay < 10000;
2984 int reset_airo_card( struct net_device *dev )
2987 struct airo_info *ai = dev->priv;
2989 if (reset_card (dev, 1))
2992 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2993 airo_print_err(dev->name, "MAC could not be enabled");
2996 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2997 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2998 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2999 /* Allocate the transmit buffers if needed */
3000 if (!test_bit(FLAG_MPI,&ai->flags))
3001 for( i = 0; i < MAX_FIDS; i++ )
3002 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
3004 enable_interrupts( ai );
3005 netif_wake_queue(dev);
3009 EXPORT_SYMBOL(reset_airo_card);
3011 static void airo_send_event(struct net_device *dev) {
3012 struct airo_info *ai = dev->priv;
3013 union iwreq_data wrqu;
3014 StatusRid status_rid;
3016 clear_bit(JOB_EVENT, &ai->jobs);
3017 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3019 wrqu.data.length = 0;
3020 wrqu.data.flags = 0;
3021 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3022 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3024 /* Send event to user space */
3025 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3028 static void airo_process_scan_results (struct airo_info *ai) {
3029 union iwreq_data wrqu;
3032 BSSListElement * loop_net;
3033 BSSListElement * tmp_net;
3035 /* Blow away current list of scan results */
3036 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3037 list_move_tail (&loop_net->list, &ai->network_free_list);
3038 /* Don't blow away ->list, just BSS data */
3039 memset (loop_net, 0, sizeof (loop_net->bss));
3042 /* Try to read the first entry of the scan result */
3043 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3044 if((rc) || (bss.index == 0xffff)) {
3045 /* No scan results */
3049 /* Read and parse all entries */
3051 while((!rc) && (bss.index != 0xffff)) {
3052 /* Grab a network off the free list */
3053 if (!list_empty(&ai->network_free_list)) {
3054 tmp_net = list_entry(ai->network_free_list.next,
3055 BSSListElement, list);
3056 list_del(ai->network_free_list.next);
3059 if (tmp_net != NULL) {
3060 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3061 list_add_tail(&tmp_net->list, &ai->network_list);
3065 /* Read next entry */
3066 rc = PC4500_readrid(ai, ai->bssListNext,
3067 &bss, ai->bssListRidLen, 0);
3071 ai->scan_timeout = 0;
3072 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
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(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3087 static int airo_thread(void *data) {
3088 struct net_device *dev = data;
3089 struct airo_info *ai = dev->priv;
3093 /* make swsusp happy with our thread */
3096 if (test_bit(JOB_DIE, &ai->jobs))
3100 locked = down_interruptible(&ai->sem);
3104 init_waitqueue_entry(&wait, current);
3105 add_wait_queue(&ai->thr_wait, &wait);
3107 set_current_state(TASK_INTERRUPTIBLE);
3110 if (ai->expires || ai->scan_timeout) {
3111 if (ai->scan_timeout &&
3112 time_after_eq(jiffies,ai->scan_timeout)){
3113 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3115 } else if (ai->expires &&
3116 time_after_eq(jiffies,ai->expires)){
3117 set_bit(JOB_AUTOWEP, &ai->jobs);
3120 if (!kthread_should_stop() &&
3121 !freezing(current)) {
3122 unsigned long wake_at;
3123 if (!ai->expires || !ai->scan_timeout) {
3124 wake_at = max(ai->expires,
3127 wake_at = min(ai->expires,
3130 schedule_timeout(wake_at - jiffies);
3133 } else if (!kthread_should_stop() &&
3134 !freezing(current)) {
3140 current->state = TASK_RUNNING;
3141 remove_wait_queue(&ai->thr_wait, &wait);
3148 if (test_bit(JOB_DIE, &ai->jobs)) {
3153 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3158 if (test_bit(JOB_XMIT, &ai->jobs))
3160 else if (test_bit(JOB_XMIT11, &ai->jobs))
3161 airo_end_xmit11(dev);
3162 else if (test_bit(JOB_STATS, &ai->jobs))
3163 airo_read_stats(ai);
3164 else if (test_bit(JOB_WSTATS, &ai->jobs))
3165 airo_read_wireless_stats(ai);
3166 else if (test_bit(JOB_PROMISC, &ai->jobs))
3167 airo_set_promisc(ai);
3168 else if (test_bit(JOB_MIC, &ai->jobs))
3170 else if (test_bit(JOB_EVENT, &ai->jobs))
3171 airo_send_event(dev);
3172 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3174 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3175 airo_process_scan_results(ai);
3176 else /* Shouldn't get here, but we make sure to unlock */
3183 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3184 struct net_device *dev = (struct net_device *)dev_id;
3187 struct airo_info *apriv = dev->priv;
3188 u16 savedInterrupts = 0;
3191 if (!netif_device_present(dev))
3195 status = IN4500( apriv, EVSTAT );
3196 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3200 if ( status & EV_AWAKE ) {
3201 OUT4500( apriv, EVACK, EV_AWAKE );
3202 OUT4500( apriv, EVACK, EV_AWAKE );
3205 if (!savedInterrupts) {
3206 savedInterrupts = IN4500( apriv, EVINTEN );
3207 OUT4500( apriv, EVINTEN, 0 );
3210 if ( status & EV_MIC ) {
3211 OUT4500( apriv, EVACK, EV_MIC );
3212 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3213 set_bit(JOB_MIC, &apriv->jobs);
3214 wake_up_interruptible(&apriv->thr_wait);
3217 if ( status & EV_LINK ) {
3218 union iwreq_data wrqu;
3219 int scan_forceloss = 0;
3220 /* The link status has changed, if you want to put a
3221 monitor hook in, do it here. (Remember that
3222 interrupts are still disabled!)
3224 u16 newStatus = IN4500(apriv, LINKSTAT);
3225 OUT4500( apriv, EVACK, EV_LINK);
3226 /* Here is what newStatus means: */
3227 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3228 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3229 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3230 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3231 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3232 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3233 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3234 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3236 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3238 #define ASSOCIATED 0x0400 /* Associated */
3239 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3240 #define RC_RESERVED 0 /* Reserved return code */
3241 #define RC_NOREASON 1 /* Unspecified reason */
3242 #define RC_AUTHINV 2 /* Previous authentication invalid */
3243 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3245 #define RC_NOACT 4 /* Disassociated due to inactivity */
3246 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3247 all currently associated stations */
3248 #define RC_BADCLASS2 6 /* Class 2 frame received from
3249 non-Authenticated station */
3250 #define RC_BADCLASS3 7 /* Class 3 frame received from
3251 non-Associated station */
3252 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3254 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3255 Authenticated with the responding station */
3256 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3258 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3261 if (apriv->list_bss_task)
3262 wake_up_process(apriv->list_bss_task);
3263 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3264 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3266 if (down_trylock(&apriv->sem) != 0) {
3267 set_bit(JOB_EVENT, &apriv->jobs);
3268 wake_up_interruptible(&apriv->thr_wait);
3270 airo_send_event(dev);
3271 } else if (!scan_forceloss) {
3272 if (auto_wep && !apriv->expires) {
3273 apriv->expires = RUN_AT(3*HZ);
3274 wake_up_interruptible(&apriv->thr_wait);
3277 /* Send event to user space */
3278 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3279 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3280 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3284 /* Check to see if there is something to receive */
3285 if ( status & EV_RX ) {
3286 struct sk_buff *skb = NULL;
3287 u16 fc, len, hdrlen = 0;
3301 if (test_bit(FLAG_MPI,&apriv->flags)) {
3302 if (test_bit(FLAG_802_11, &apriv->flags))
3303 mpi_receive_802_11(apriv);
3305 mpi_receive_802_3(apriv);
3306 OUT4500(apriv, EVACK, EV_RX);
3310 fid = IN4500( apriv, RXFID );
3312 /* Get the packet length */
3313 if (test_bit(FLAG_802_11, &apriv->flags)) {
3314 bap_setup (apriv, fid, 4, BAP0);
3315 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3316 /* Bad CRC. Ignore packet */
3317 if (le16_to_cpu(hdr.status) & 2)
3319 if (apriv->wifidev == NULL)
3322 bap_setup (apriv, fid, 0x36, BAP0);
3323 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3325 len = le16_to_cpu(hdr.len);
3327 if (len > AIRO_DEF_MTU) {
3328 airo_print_err(apriv->dev->name, "Bad size %d", len);
3334 if (test_bit(FLAG_802_11, &apriv->flags)) {
3335 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3336 fc = le16_to_cpu(fc);
3339 if ((fc & 0xe0) == 0xc0)
3345 if ((fc&0x300)==0x300){
3353 hdrlen = ETH_ALEN * 2;
3355 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3357 apriv->stats.rx_dropped++;
3360 skb_reserve(skb, 2); /* This way the IP header is aligned */
3361 buffer = (u16*)skb_put (skb, len + hdrlen);
3362 if (test_bit(FLAG_802_11, &apriv->flags)) {
3364 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3366 bap_read (apriv, tmpbuf, 6, BAP0);
3368 bap_read (apriv, &gap, sizeof(gap), BAP0);
3369 gap = le16_to_cpu(gap);
3372 bap_read (apriv, tmpbuf, gap, BAP0);
3374 airo_print_err(apriv->dev->name, "gaplen too "
3375 "big. Problems will follow...");
3378 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3381 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3382 if (apriv->micstats.enabled) {
3383 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3384 if (ntohs(micbuf.typelen) > 0x05DC)
3385 bap_setup (apriv, fid, 0x44, BAP0);
3387 if (len <= sizeof(micbuf))
3390 len -= sizeof(micbuf);
3391 skb_trim (skb, len + hdrlen);
3394 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3395 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3397 dev_kfree_skb_irq (skb);
3399 OUT4500( apriv, EVACK, EV_RX);
3404 if (apriv->spy_data.spy_number > 0) {
3406 struct iw_quality wstats;
3407 /* Prepare spy data : addr + qual */
3408 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3409 sa = (char*)buffer + 6;
3410 bap_setup (apriv, fid, 8, BAP0);
3411 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3413 sa = (char*)buffer + 10;
3414 wstats.qual = hdr.rssi[0];
3416 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3418 wstats.level = (hdr.rssi[1] + 321) / 2;
3419 wstats.noise = apriv->wstats.qual.noise;
3420 wstats.updated = IW_QUAL_LEVEL_UPDATED
3421 | IW_QUAL_QUAL_UPDATED
3423 /* Update spy records */
3424 wireless_spy_update(dev, sa, &wstats);
3426 #endif /* WIRELESS_SPY */
3427 OUT4500( apriv, EVACK, EV_RX);
3429 if (test_bit(FLAG_802_11, &apriv->flags)) {
3430 skb_reset_mac_header(skb);
3431 skb->pkt_type = PACKET_OTHERHOST;
3432 skb->dev = apriv->wifidev;
3433 skb->protocol = htons(ETH_P_802_2);
3435 skb->protocol = eth_type_trans(skb,dev);
3436 skb->dev->last_rx = jiffies;
3437 skb->ip_summed = CHECKSUM_NONE;
3443 /* Check to see if a packet has been transmitted */
3444 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3449 if (test_bit(FLAG_MPI,&apriv->flags)) {
3450 unsigned long flags;
3452 if (status & EV_TXEXC)
3453 get_tx_error(apriv, -1);
3454 spin_lock_irqsave(&apriv->aux_lock, flags);
3455 if (!skb_queue_empty(&apriv->txq)) {
3456 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3457 mpi_send_packet (dev);
3459 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3460 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3461 netif_wake_queue (dev);
3463 OUT4500( apriv, EVACK,
3464 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3468 fid = IN4500(apriv, TXCOMPLFID);
3470 for( i = 0; i < MAX_FIDS; i++ ) {
3471 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3472 len = apriv->fids[i] >> 16;
3477 if (status & EV_TXEXC)
3478 get_tx_error(apriv, index);
3479 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3480 /* Set up to be used again */
3481 apriv->fids[index] &= 0xffff;
3482 if (index < MAX_FIDS / 2) {
3483 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3484 netif_wake_queue(dev);
3486 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3487 netif_wake_queue(apriv->wifidev);
3490 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3491 airo_print_err(apriv->dev->name, "Unallocated FID was "
3496 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3497 airo_print_warn(apriv->dev->name, "Got weird status %x",
3498 status & ~STATUS_INTS & ~IGNORE_INTS );
3501 if (savedInterrupts)
3502 OUT4500( apriv, EVINTEN, savedInterrupts );
3505 return IRQ_RETVAL(handled);
3509 * Routines to talk to the card
3513 * This was originally written for the 4500, hence the name
3514 * NOTE: If use with 8bit mode and SMP bad things will happen!
3515 * Why would some one do 8 bit IO in an SMP machine?!?
3517 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3518 if (test_bit(FLAG_MPI,&ai->flags))
3521 outw( val, ai->dev->base_addr + reg );
3523 outb( val & 0xff, ai->dev->base_addr + reg );
3524 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3528 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3531 if (test_bit(FLAG_MPI,&ai->flags))
3534 rc = inw( ai->dev->base_addr + reg );
3536 rc = inb( ai->dev->base_addr + reg );
3537 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3542 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3546 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3547 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3548 * Note : we could try to use !netif_running(dev) in enable_MAC()
3549 * instead of this flag, but I don't trust it *within* the
3550 * open/close functions, and testing both flags together is
3551 * "cheaper" - Jean II */
3552 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3554 if (lock && down_interruptible(&ai->sem))
3555 return -ERESTARTSYS;
3557 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3558 memset(&cmd, 0, sizeof(cmd));
3559 cmd.cmd = MAC_ENABLE;
3560 rc = issuecommand(ai, &cmd, rsp);
3562 set_bit(FLAG_ENABLED, &ai->flags);
3570 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3575 static void disable_MAC( struct airo_info *ai, int lock ) {
3579 if (lock && down_interruptible(&ai->sem))
3582 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3583 memset(&cmd, 0, sizeof(cmd));
3584 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3585 issuecommand(ai, &cmd, &rsp);
3586 clear_bit(FLAG_ENABLED, &ai->flags);
3592 static void enable_interrupts( struct airo_info *ai ) {
3593 /* Enable the interrupts */
3594 OUT4500( ai, EVINTEN, STATUS_INTS );
3597 static void disable_interrupts( struct airo_info *ai ) {
3598 OUT4500( ai, EVINTEN, 0 );
3601 static void mpi_receive_802_3(struct airo_info *ai)
3605 struct sk_buff *skb;
3610 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3611 /* Make sure we got something */
3612 if (rxd.rdy && rxd.valid == 0) {
3614 if (len < 12 || len > 2048)
3617 skb = dev_alloc_skb(len);
3619 ai->stats.rx_dropped++;
3622 buffer = skb_put(skb,len);
3623 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3624 if (ai->micstats.enabled) {
3626 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3628 if (ntohs(micbuf.typelen) <= 0x05DC) {
3629 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3632 off = sizeof(micbuf);
3633 skb_trim (skb, len - off);
3636 memcpy(buffer + ETH_ALEN * 2,
3637 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3638 len - ETH_ALEN * 2 - off);
3639 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3641 dev_kfree_skb_irq (skb);
3645 if (ai->spy_data.spy_number > 0) {
3647 struct iw_quality wstats;
3648 /* Prepare spy data : addr + qual */
3649 sa = buffer + ETH_ALEN;
3650 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3653 /* Update spy records */
3654 wireless_spy_update(ai->dev, sa, &wstats);
3656 #endif /* WIRELESS_SPY */
3658 skb->ip_summed = CHECKSUM_NONE;
3659 skb->protocol = eth_type_trans(skb, ai->dev);
3660 skb->dev->last_rx = jiffies;
3664 if (rxd.valid == 0) {
3668 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3672 void mpi_receive_802_11 (struct airo_info *ai)
3675 struct sk_buff *skb = NULL;
3676 u16 fc, len, hdrlen = 0;
3688 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3690 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3691 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3693 /* Bad CRC. Ignore packet */
3694 if (le16_to_cpu(hdr.status) & 2)
3696 if (ai->wifidev == NULL)
3698 len = le16_to_cpu(hdr.len);
3699 if (len > AIRO_DEF_MTU) {
3700 airo_print_err(ai->dev->name, "Bad size %d", len);
3706 memcpy ((char *)&fc, ptr, sizeof(fc));
3707 fc = le16_to_cpu(fc);
3710 if ((fc & 0xe0) == 0xc0)
3716 if ((fc&0x300)==0x300){
3724 skb = dev_alloc_skb( len + hdrlen + 2 );
3726 ai->stats.rx_dropped++;
3729 buffer = (u16*)skb_put (skb, len + hdrlen);
3730 memcpy ((char *)buffer, ptr, hdrlen);
3734 memcpy ((char *)&gap, ptr, sizeof(gap));
3736 gap = le16_to_cpu(gap);
3741 airo_print_err(ai->dev->name,
3742 "gaplen too big. Problems will follow...");
3744 memcpy ((char *)buffer + hdrlen, ptr, len);
3746 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3747 if (ai->spy_data.spy_number > 0) {
3749 struct iw_quality wstats;
3750 /* Prepare spy data : addr + qual */
3751 sa = (char*)buffer + 10;
3752 wstats.qual = hdr.rssi[0];
3754 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3756 wstats.level = (hdr.rssi[1] + 321) / 2;
3757 wstats.noise = ai->wstats.qual.noise;
3758 wstats.updated = IW_QUAL_QUAL_UPDATED
3759 | IW_QUAL_LEVEL_UPDATED
3761 /* Update spy records */
3762 wireless_spy_update(ai->dev, sa, &wstats);
3764 #endif /* IW_WIRELESS_SPY */
3765 skb_reset_mac_header(skb);
3766 skb->pkt_type = PACKET_OTHERHOST;
3767 skb->dev = ai->wifidev;
3768 skb->protocol = htons(ETH_P_802_2);
3769 skb->dev->last_rx = jiffies;
3770 skb->ip_summed = CHECKSUM_NONE;
3773 if (rxd.valid == 0) {
3777 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3781 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3792 memset( &mySsid, 0, sizeof( mySsid ) );
3796 /* The NOP is the first step in getting the card going */
3798 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3799 if (lock && down_interruptible(&ai->sem))
3801 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3806 disable_MAC( ai, 0);
3808 // Let's figure out if we need to use the AUX port
3809 if (!test_bit(FLAG_MPI,&ai->flags)) {
3810 cmd.cmd = CMD_ENABLEAUX;
3811 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3814 airo_print_err(ai->dev->name, "Error checking for AUX port");
3817 if (!aux_bap || rsp.status & 0xff00) {
3818 ai->bap_read = fast_bap_read;
3819 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3821 ai->bap_read = aux_bap_read;
3822 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3827 if (ai->config.len == 0) {
3828 tdsRssiRid rssi_rid;
3829 CapabilityRid cap_rid;
3835 // general configuration (read/modify/write)
3836 status = readConfigRid(ai, lock);
3837 if ( status != SUCCESS ) return ERROR;
3839 status = readCapabilityRid(ai, &cap_rid, lock);
3840 if ( status != SUCCESS ) return ERROR;
3842 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3843 if ( status == SUCCESS ) {
3844 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3845 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3850 if (cap_rid.softCap & 8)
3851 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3853 airo_print_warn(ai->dev->name, "unknown received signal "
3856 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3857 ai->config.authType = AUTH_OPEN;
3858 ai->config.modulation = MOD_CCK;
3860 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3861 (micsetup(ai) == SUCCESS)) {
3862 ai->config.opmode |= MODE_MIC;
3863 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3866 /* Save off the MAC */
3867 for( i = 0; i < ETH_ALEN; i++ ) {
3868 mac[i] = ai->config.macAddr[i];
3871 /* Check to see if there are any insmod configured
3875 memset(ai->config.rates,0,sizeof(ai->config.rates));
3876 for( i = 0; i < 8 && rates[i]; i++ ) {
3877 ai->config.rates[i] = rates[i];
3880 if ( basic_rate > 0 ) {
3882 for( i = 0; i < 8; i++ ) {
3883 if ( ai->config.rates[i] == basic_rate ||
3884 !ai->config.rates ) {
3885 ai->config.rates[i] = basic_rate | 0x80;
3890 set_bit (FLAG_COMMIT, &ai->flags);
3893 /* Setup the SSIDs if present */
3896 for( i = 0; i < 3 && ssids[i]; i++ ) {
3897 mySsid.ssids[i].len = strlen(ssids[i]);
3898 if ( mySsid.ssids[i].len > 32 )
3899 mySsid.ssids[i].len = 32;
3900 memcpy(mySsid.ssids[i].ssid, ssids[i],
3901 mySsid.ssids[i].len);
3903 mySsid.len = sizeof(mySsid);
3906 status = writeConfigRid(ai, lock);
3907 if ( status != SUCCESS ) return ERROR;
3909 /* Set up the SSID list */
3911 status = writeSsidRid(ai, &mySsid, lock);
3912 if ( status != SUCCESS ) return ERROR;
3915 status = enable_MAC(ai, &rsp, lock);
3916 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3917 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3918 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3922 /* Grab the initial wep key, we gotta save it for auto_wep */
3923 rc = readWepKeyRid(ai, &wkr, 1, lock);
3924 if (rc == SUCCESS) do {
3925 lastindex = wkr.kindex;
3926 if (wkr.kindex == 0xffff) {
3927 ai->defindex = wkr.mac[0];
3929 rc = readWepKeyRid(ai, &wkr, 0, lock);
3930 } while(lastindex != wkr.kindex);
3937 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3938 // Im really paranoid about letting it run forever!
3939 int max_tries = 600000;
3941 if (IN4500(ai, EVSTAT) & EV_CMD)
3942 OUT4500(ai, EVACK, EV_CMD);
3944 OUT4500(ai, PARAM0, pCmd->parm0);
3945 OUT4500(ai, PARAM1, pCmd->parm1);
3946 OUT4500(ai, PARAM2, pCmd->parm2);
3947 OUT4500(ai, COMMAND, pCmd->cmd);
3949 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3950 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3951 // PC4500 didn't notice command, try again
3952 OUT4500(ai, COMMAND, pCmd->cmd);
3953 if (!in_atomic() && (max_tries & 255) == 0)
3957 if ( max_tries == -1 ) {
3958 airo_print_err(ai->dev->name,
3959 "Max tries exceeded when issueing command");
3960 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3961 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 // command completed
3966 pRsp->status = IN4500(ai, STATUS);
3967 pRsp->rsp0 = IN4500(ai, RESP0);
3968 pRsp->rsp1 = IN4500(ai, RESP1);
3969 pRsp->rsp2 = IN4500(ai, RESP2);
3970 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3971 airo_print_err(ai->dev->name,
3972 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3973 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3976 // clear stuck command busy if necessary
3977 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3978 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3980 // acknowledge processing the status/response
3981 OUT4500(ai, EVACK, EV_CMD);
3986 /* Sets up the bap to start exchange data. whichbap should
3987 * be one of the BAP0 or BAP1 defines. Locks should be held before
3989 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3994 OUT4500(ai, SELECT0+whichbap, rid);
3995 OUT4500(ai, OFFSET0+whichbap, offset);
3997 int status = IN4500(ai, OFFSET0+whichbap);
3998 if (status & BAP_BUSY) {
3999 /* This isn't really a timeout, but its kinda
4004 } else if ( status & BAP_ERR ) {
4005 /* invalid rid or offset */
4006 airo_print_err(ai->dev->name, "BAP error %x %d",
4009 } else if (status & BAP_DONE) { // success
4012 if ( !(max_tries--) ) {
4013 airo_print_err(ai->dev->name,
4014 "BAP setup error too many retries\n");
4017 // -- PC4500 missed it, try again
4018 OUT4500(ai, SELECT0+whichbap, rid);
4019 OUT4500(ai, OFFSET0+whichbap, offset);
4024 /* should only be called by aux_bap_read. This aux function and the
4025 following use concepts not documented in the developers guide. I
4026 got them from a patch given to my by Aironet */
4027 static u16 aux_setup(struct airo_info *ai, u16 page,
4028 u16 offset, u16 *len)
4032 OUT4500(ai, AUXPAGE, page);
4033 OUT4500(ai, AUXOFF, 0);
4034 next = IN4500(ai, AUXDATA);
4035 *len = IN4500(ai, AUXDATA)&0xff;
4036 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4040 /* requires call to bap_setup() first */
4041 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4042 int bytelen, int whichbap)
4050 unsigned long flags;
4052 spin_lock_irqsave(&ai->aux_lock, flags);
4053 page = IN4500(ai, SWS0+whichbap);
4054 offset = IN4500(ai, SWS2+whichbap);
4055 next = aux_setup(ai, page, offset, &len);
4056 words = (bytelen+1)>>1;
4058 for (i=0; i<words;) {
4060 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4062 insw( ai->dev->base_addr+DATA0+whichbap,
4065 insb( ai->dev->base_addr+DATA0+whichbap,
4066 pu16Dst+i, count << 1 );
4069 next = aux_setup(ai, next, 4, &len);
4072 spin_unlock_irqrestore(&ai->aux_lock, flags);
4077 /* requires call to bap_setup() first */
4078 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4079 int bytelen, int whichbap)
4081 bytelen = (bytelen + 1) & (~1); // round up to even value
4083 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4085 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4089 /* requires call to bap_setup() first */
4090 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4091 int bytelen, int whichbap)
4093 bytelen = (bytelen + 1) & (~1); // round up to even value
4095 outsw( ai->dev->base_addr+DATA0+whichbap,
4096 pu16Src, bytelen>>1 );
4098 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4102 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4104 Cmd cmd; /* for issuing commands */
4105 Resp rsp; /* response from commands */
4108 memset(&cmd, 0, sizeof(cmd));
4111 status = issuecommand(ai, &cmd, &rsp);
4112 if (status != 0) return status;
4113 if ( (rsp.status & 0x7F00) != 0) {
4114 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4119 /* Note, that we are using BAP1 which is also used by transmit, so
4120 * we must get a lock. */
4121 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4127 if (down_interruptible(&ai->sem))
4130 if (test_bit(FLAG_MPI,&ai->flags)) {
4134 memset(&cmd, 0, sizeof(cmd));
4135 memset(&rsp, 0, sizeof(rsp));
4136 ai->config_desc.rid_desc.valid = 1;
4137 ai->config_desc.rid_desc.len = RIDSIZE;
4138 ai->config_desc.rid_desc.rid = 0;
4139 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4141 cmd.cmd = CMD_ACCESS;
4144 memcpy_toio(ai->config_desc.card_ram_off,
4145 &ai->config_desc.rid_desc, sizeof(Rid));
4147 rc = issuecommand(ai, &cmd, &rsp);
4149 if (rsp.status & 0x7f00)
4152 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4155 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4159 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4163 // read the rid length field
4164 bap_read(ai, pBuf, 2, BAP1);
4165 // length for remaining part of rid
4166 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4169 airo_print_err(ai->dev->name,
4170 "Rid %x has a length of %d which is too short",
4171 (int)rid, (int)len );
4175 // read remainder of the rid
4176 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4184 /* Note, that we are using BAP1 which is also used by transmit, so
4185 * make sure this isnt called when a transmit is happening */
4186 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4187 const void *pBuf, int len, int lock)
4192 *(u16*)pBuf = cpu_to_le16((u16)len);
4195 if (down_interruptible(&ai->sem))
4198 if (test_bit(FLAG_MPI,&ai->flags)) {
4202 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4203 airo_print_err(ai->dev->name,
4204 "%s: MAC should be disabled (rid=%04x)",
4206 memset(&cmd, 0, sizeof(cmd));
4207 memset(&rsp, 0, sizeof(rsp));
4209 ai->config_desc.rid_desc.valid = 1;
4210 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4211 ai->config_desc.rid_desc.rid = 0;
4213 cmd.cmd = CMD_WRITERID;
4216 memcpy_toio(ai->config_desc.card_ram_off,
4217 &ai->config_desc.rid_desc, sizeof(Rid));
4219 if (len < 4 || len > 2047) {
4220 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4223 memcpy((char *)ai->config_desc.virtual_host_addr,
4226 rc = issuecommand(ai, &cmd, &rsp);
4227 if ((rc & 0xff00) != 0) {
4228 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4230 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4231 __FUNCTION__, cmd.cmd);
4234 if ((rsp.status & 0x7f00))
4238 // --- first access so that we can write the rid data
4239 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4243 // --- now write the rid data
4244 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4248 bap_write(ai, pBuf, len, BAP1);
4249 // ---now commit the rid data
4250 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4258 /* Allocates a FID to be used for transmitting packets. We only use
4260 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4262 unsigned int loop = 3000;
4268 cmd.cmd = CMD_ALLOCATETX;
4269 cmd.parm0 = lenPayload;
4270 if (down_interruptible(&ai->sem))
4272 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4276 if ( (rsp.status & 0xFF00) != 0) {
4280 /* wait for the allocate event/indication
4281 * It makes me kind of nervous that this can just sit here and spin,
4282 * but in practice it only loops like four times. */
4283 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4289 // get the allocated fid and acknowledge
4290 txFid = IN4500(ai, TXALLOCFID);
4291 OUT4500(ai, EVACK, EV_ALLOC);
4293 /* The CARD is pretty cool since it converts the ethernet packet
4294 * into 802.11. Also note that we don't release the FID since we
4295 * will be using the same one over and over again. */
4296 /* We only have to setup the control once since we are not
4297 * releasing the fid. */
4299 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4300 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4302 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4303 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4307 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4315 /* In general BAP1 is dedicated to transmiting packets. However,
4316 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4317 Make sure the BAP1 spinlock is held when this is called. */
4318 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4329 if (len <= ETH_ALEN * 2) {
4330 airo_print_warn(ai->dev->name, "Short packet %d", len);
4333 len -= ETH_ALEN * 2;
4335 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4336 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4337 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4339 miclen = sizeof(pMic);
4341 // packet is destination[6], source[6], payload[len-12]
4342 // write the payload length and dst/src/payload
4343 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4344 /* The hardware addresses aren't counted as part of the payload, so
4345 * we have to subtract the 12 bytes for the addresses off */
4346 payloadLen = cpu_to_le16(len + miclen);
4347 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4348 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4350 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4351 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4352 // issue the transmit command
4353 memset( &cmd, 0, sizeof( cmd ) );
4354 cmd.cmd = CMD_TRANSMIT;
4356 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4357 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4361 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4376 fc = le16_to_cpu(*(const u16*)pPacket);
4379 if ((fc & 0xe0) == 0xc0)
4385 if ((fc&0x300)==0x300){
4394 airo_print_warn(ai->dev->name, "Short packet %d", len);
4398 /* packet is 802.11 header + payload
4399 * write the payload length and dst/src/payload */
4400 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4401 /* The 802.11 header aren't counted as part of the payload, so
4402 * we have to subtract the header bytes off */
4403 payloadLen = cpu_to_le16(len-hdrlen);
4404 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4405 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4406 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4407 bap_write(ai, hdrlen == 30 ?
4408 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4410 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4411 // issue the transmit command
4412 memset( &cmd, 0, sizeof( cmd ) );
4413 cmd.cmd = CMD_TRANSMIT;
4415 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4416 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4421 * This is the proc_fs routines. It is a bit messier than I would
4422 * like! Feel free to clean it up!
4425 static ssize_t proc_read( struct file *file,
4426 char __user *buffer,
4430 static ssize_t proc_write( struct file *file,
4431 const char __user *buffer,
4434 static int proc_close( struct inode *inode, struct file *file );
4436 static int proc_stats_open( struct inode *inode, struct file *file );
4437 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4438 static int proc_status_open( struct inode *inode, struct file *file );
4439 static int proc_SSID_open( struct inode *inode, struct file *file );
4440 static int proc_APList_open( struct inode *inode, struct file *file );
4441 static int proc_BSSList_open( struct inode *inode, struct file *file );
4442 static int proc_config_open( struct inode *inode, struct file *file );
4443 static int proc_wepkey_open( struct inode *inode, struct file *file );
4445 static const struct file_operations proc_statsdelta_ops = {
4447 .open = proc_statsdelta_open,
4448 .release = proc_close
4451 static const struct file_operations proc_stats_ops = {
4453 .open = proc_stats_open,
4454 .release = proc_close
4457 static const struct file_operations proc_status_ops = {
4459 .open = proc_status_open,
4460 .release = proc_close
4463 static const struct file_operations proc_SSID_ops = {
4465 .write = proc_write,
4466 .open = proc_SSID_open,
4467 .release = proc_close
4470 static const struct file_operations proc_BSSList_ops = {
4472 .write = proc_write,
4473 .open = proc_BSSList_open,
4474 .release = proc_close
4477 static const struct file_operations proc_APList_ops = {
4479 .write = proc_write,
4480 .open = proc_APList_open,
4481 .release = proc_close
4484 static const struct file_operations proc_config_ops = {
4486 .write = proc_write,
4487 .open = proc_config_open,
4488 .release = proc_close
4491 static const struct file_operations proc_wepkey_ops = {
4493 .write = proc_write,
4494 .open = proc_wepkey_open,
4495 .release = proc_close
4498 static struct proc_dir_entry *airo_entry;
4507 void (*on_close) (struct inode *, struct file *);
4511 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4514 static int setup_proc_entry( struct net_device *dev,
4515 struct airo_info *apriv ) {
4516 struct proc_dir_entry *entry;
4517 /* First setup the device directory */
4518 strcpy(apriv->proc_name,dev->name);
4519 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4522 if (!apriv->proc_entry)
4524 apriv->proc_entry->uid = proc_uid;
4525 apriv->proc_entry->gid = proc_gid;
4526 apriv->proc_entry->owner = THIS_MODULE;
4528 /* Setup the StatsDelta */
4529 entry = create_proc_entry("StatsDelta",
4530 S_IFREG | (S_IRUGO&proc_perm),
4533 goto fail_stats_delta;
4534 entry->uid = proc_uid;
4535 entry->gid = proc_gid;
4537 entry->owner = THIS_MODULE;
4538 SETPROC_OPS(entry, proc_statsdelta_ops);
4540 /* Setup the Stats */
4541 entry = create_proc_entry("Stats",
4542 S_IFREG | (S_IRUGO&proc_perm),
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4549 entry->owner = THIS_MODULE;
4550 SETPROC_OPS(entry, proc_stats_ops);
4552 /* Setup the Status */
4553 entry = create_proc_entry("Status",
4554 S_IFREG | (S_IRUGO&proc_perm),
4558 entry->uid = proc_uid;
4559 entry->gid = proc_gid;
4561 entry->owner = THIS_MODULE;
4562 SETPROC_OPS(entry, proc_status_ops);
4564 /* Setup the Config */
4565 entry = create_proc_entry("Config",
4566 S_IFREG | proc_perm,
4570 entry->uid = proc_uid;
4571 entry->gid = proc_gid;
4573 entry->owner = THIS_MODULE;
4574 SETPROC_OPS(entry, proc_config_ops);
4576 /* Setup the SSID */
4577 entry = create_proc_entry("SSID",
4578 S_IFREG | proc_perm,
4582 entry->uid = proc_uid;
4583 entry->gid = proc_gid;
4585 entry->owner = THIS_MODULE;
4586 SETPROC_OPS(entry, proc_SSID_ops);
4588 /* Setup the APList */
4589 entry = create_proc_entry("APList",
4590 S_IFREG | proc_perm,
4594 entry->uid = proc_uid;
4595 entry->gid = proc_gid;
4597 entry->owner = THIS_MODULE;
4598 SETPROC_OPS(entry, proc_APList_ops);
4600 /* Setup the BSSList */
4601 entry = create_proc_entry("BSSList",
4602 S_IFREG | proc_perm,
4606 entry->uid = proc_uid;
4607 entry->gid = proc_gid;
4609 entry->owner = THIS_MODULE;
4610 SETPROC_OPS(entry, proc_BSSList_ops);
4612 /* Setup the WepKey */
4613 entry = create_proc_entry("WepKey",
4614 S_IFREG | proc_perm,
4618 entry->uid = proc_uid;
4619 entry->gid = proc_gid;
4621 entry->owner = THIS_MODULE;
4622 SETPROC_OPS(entry, proc_wepkey_ops);
4627 remove_proc_entry("BSSList", apriv->proc_entry);
4629 remove_proc_entry("APList", apriv->proc_entry);
4631 remove_proc_entry("SSID", apriv->proc_entry);
4633 remove_proc_entry("Config", apriv->proc_entry);
4635 remove_proc_entry("Status", apriv->proc_entry);
4637 remove_proc_entry("Stats", apriv->proc_entry);
4639 remove_proc_entry("StatsDelta", apriv->proc_entry);
4641 remove_proc_entry(apriv->proc_name, airo_entry);
4646 static int takedown_proc_entry( struct net_device *dev,
4647 struct airo_info *apriv ) {
4648 if ( !apriv->proc_entry->namelen ) return 0;
4649 remove_proc_entry("Stats",apriv->proc_entry);
4650 remove_proc_entry("StatsDelta",apriv->proc_entry);
4651 remove_proc_entry("Status",apriv->proc_entry);
4652 remove_proc_entry("Config",apriv->proc_entry);
4653 remove_proc_entry("SSID",apriv->proc_entry);
4654 remove_proc_entry("APList",apriv->proc_entry);
4655 remove_proc_entry("BSSList",apriv->proc_entry);
4656 remove_proc_entry("WepKey",apriv->proc_entry);
4657 remove_proc_entry(apriv->proc_name,airo_entry);
4662 * What we want from the proc_fs is to be able to efficiently read
4663 * and write the configuration. To do this, we want to read the
4664 * configuration when the file is opened and write it when the file is
4665 * closed. So basically we allocate a read buffer at open and fill it
4666 * with data, and allocate a write buffer and read it at close.
4670 * The read routine is generic, it relies on the preallocated rbuffer
4671 * to supply the data.
4673 static ssize_t proc_read( struct file *file,
4674 char __user *buffer,
4678 loff_t pos = *offset;
4679 struct proc_data *priv = (struct proc_data*)file->private_data;
4686 if (pos >= priv->readlen)
4688 if (len > priv->readlen - pos)
4689 len = priv->readlen - pos;
4690 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4692 *offset = pos + len;
4697 * The write routine is generic, it fills in a preallocated rbuffer
4698 * to supply the data.
4700 static ssize_t proc_write( struct file *file,
4701 const char __user *buffer,
4705 loff_t pos = *offset;
4706 struct proc_data *priv = (struct proc_data*)file->private_data;
4713 if (pos >= priv->maxwritelen)
4715 if (len > priv->maxwritelen - pos)
4716 len = priv->maxwritelen - pos;
4717 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4719 if ( pos + len > priv->writelen )
4720 priv->writelen = len + file->f_pos;
4721 *offset = pos + len;
4725 static int proc_status_open( struct inode *inode, struct file *file ) {
4726 struct proc_data *data;
4727 struct proc_dir_entry *dp = PDE(inode);
4728 struct net_device *dev = dp->data;
4729 struct airo_info *apriv = dev->priv;
4730 CapabilityRid cap_rid;
4731 StatusRid status_rid;
4734 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4736 data = (struct proc_data *)file->private_data;
4737 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4738 kfree (file->private_data);
4742 readStatusRid(apriv, &status_rid, 1);
4743 readCapabilityRid(apriv, &cap_rid, 1);
4745 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4746 status_rid.mode & 1 ? "CFG ": "",
4747 status_rid.mode & 2 ? "ACT ": "",
4748 status_rid.mode & 0x10 ? "SYN ": "",
4749 status_rid.mode & 0x20 ? "LNK ": "",
4750 status_rid.mode & 0x40 ? "LEAP ": "",
4751 status_rid.mode & 0x80 ? "PRIV ": "",
4752 status_rid.mode & 0x100 ? "KEY ": "",
4753 status_rid.mode & 0x200 ? "WEP ": "",
4754 status_rid.mode & 0x8000 ? "ERR ": "");
4755 sprintf( data->rbuffer+i, "Mode: %x\n"
4756 "Signal Strength: %d\n"
4757 "Signal Quality: %d\n"
4762 "Driver Version: %s\n"
4763 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4764 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4765 "Software Version: %x\nSoftware Subversion: %x\n"
4766 "Boot block version: %x\n",
4767 (int)status_rid.mode,
4768 (int)status_rid.normalizedSignalStrength,
4769 (int)status_rid.signalQuality,
4770 (int)status_rid.SSIDlen,
4773 (int)status_rid.channel,
4774 (int)status_rid.currentXmitRate/2,
4782 (int)cap_rid.softVer,
4783 (int)cap_rid.softSubVer,
4784 (int)cap_rid.bootBlockVer );
4785 data->readlen = strlen( data->rbuffer );
4789 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4790 static int proc_statsdelta_open( struct inode *inode,
4791 struct file *file ) {
4792 if (file->f_mode&FMODE_WRITE) {
4793 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4795 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4798 static int proc_stats_open( struct inode *inode, struct file *file ) {
4799 return proc_stats_rid_open(inode, file, RID_STATS);
4802 static int proc_stats_rid_open( struct inode *inode,
4805 struct proc_data *data;
4806 struct proc_dir_entry *dp = PDE(inode);
4807 struct net_device *dev = dp->data;
4808 struct airo_info *apriv = dev->priv;
4811 u32 *vals = stats.vals;
4813 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4815 data = (struct proc_data *)file->private_data;
4816 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4817 kfree (file->private_data);
4821 readStatsRid(apriv, &stats, rid, 1);
4824 for(i=0; statsLabels[i]!=(char *)-1 &&
4825 i*4<stats.len; i++){
4826 if (!statsLabels[i]) continue;
4827 if (j+strlen(statsLabels[i])+16>4096) {
4828 airo_print_warn(apriv->dev->name,
4829 "Potentially disasterous buffer overflow averted!");
4832 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4834 if (i*4>=stats.len){
4835 airo_print_warn(apriv->dev->name, "Got a short rid");
4841 static int get_dec_u16( char *buffer, int *start, int limit ) {
4844 for( value = 0; buffer[*start] >= '0' &&
4845 buffer[*start] <= '9' &&
4846 *start < limit; (*start)++ ) {
4849 value += buffer[*start] - '0';
4851 if ( !valid ) return -1;
4855 static int airo_config_commit(struct net_device *dev,
4856 struct iw_request_info *info, void *zwrq,
4859 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4860 struct proc_data *data = file->private_data;
4861 struct proc_dir_entry *dp = PDE(inode);
4862 struct net_device *dev = dp->data;
4863 struct airo_info *ai = dev->priv;
4866 if ( !data->writelen ) return;
4868 readConfigRid(ai, 1);
4869 set_bit (FLAG_COMMIT, &ai->flags);
4871 line = data->wbuffer;
4873 /*** Mode processing */
4874 if ( !strncmp( line, "Mode: ", 6 ) ) {
4876 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4877 set_bit (FLAG_RESET, &ai->flags);
4878 ai->config.rmode &= 0xfe00;
4879 clear_bit (FLAG_802_11, &ai->flags);
4880 ai->config.opmode &= 0xFF00;
4881 ai->config.scanMode = SCANMODE_ACTIVE;
4882 if ( line[0] == 'a' ) {
4883 ai->config.opmode |= 0;
4885 ai->config.opmode |= 1;
4886 if ( line[0] == 'r' ) {
4887 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4888 ai->config.scanMode = SCANMODE_PASSIVE;
4889 set_bit (FLAG_802_11, &ai->flags);
4890 } else if ( line[0] == 'y' ) {
4891 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4892 ai->config.scanMode = SCANMODE_PASSIVE;
4893 set_bit (FLAG_802_11, &ai->flags);
4894 } else if ( line[0] == 'l' )
4895 ai->config.rmode |= RXMODE_LANMON;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4900 /*** Radio status */
4901 else if (!strncmp(line,"Radio: ", 7)) {
4903 if (!strncmp(line,"off",3)) {
4904 set_bit (FLAG_RADIO_OFF, &ai->flags);
4906 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4909 /*** NodeName processing */
4910 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4914 memset( ai->config.nodeName, 0, 16 );
4915 /* Do the name, assume a space between the mode and node name */
4916 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4917 ai->config.nodeName[j] = line[j];
4919 set_bit (FLAG_COMMIT, &ai->flags);
4922 /*** PowerMode processing */
4923 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4925 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4926 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "PSP", 3 ) ) {
4929 ai->config.powerSaveMode = POWERSAVE_PSP;
4930 set_bit (FLAG_COMMIT, &ai->flags);
4932 ai->config.powerSaveMode = POWERSAVE_CAM;
4933 set_bit (FLAG_COMMIT, &ai->flags);
4935 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4936 int v, i = 0, k = 0; /* i is index into line,
4937 k is index to rates */
4940 while((v = get_dec_u16(line, &i, 3))!=-1) {
4941 ai->config.rates[k++] = (u8)v;
4945 set_bit (FLAG_COMMIT, &ai->flags);
4946 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4949 v = get_dec_u16(line, &i, i+3);
4951 ai->config.channelSet = (u16)v;
4952 set_bit (FLAG_COMMIT, &ai->flags);
4954 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4957 v = get_dec_u16(line, &i, i+3);
4959 ai->config.txPower = (u16)v;
4960 set_bit (FLAG_COMMIT, &ai->flags);
4962 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4966 ai->config.authType = (u16)AUTH_SHAREDKEY;
4969 ai->config.authType = (u16)AUTH_ENCRYPT;
4972 ai->config.authType = (u16)AUTH_OPEN;
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4980 v = get_dec_u16(line, &i, 3);
4981 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4982 ai->config.longRetryLimit = (u16)v;
4983 set_bit (FLAG_COMMIT, &ai->flags);
4984 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4988 v = get_dec_u16(line, &i, 3);
4989 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4990 ai->config.shortRetryLimit = (u16)v;
4991 set_bit (FLAG_COMMIT, &ai->flags);
4992 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4996 v = get_dec_u16(line, &i, 4);
4997 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4998 ai->config.rtsThres = (u16)v;
4999 set_bit (FLAG_COMMIT, &ai->flags);
5000 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
5004 v = get_dec_u16(line, &i, 5);
5006 ai->config.txLifetime = (u16)v;
5007 set_bit (FLAG_COMMIT, &ai->flags);
5008 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5012 v = get_dec_u16(line, &i, 5);
5014 ai->config.rxLifetime = (u16)v;
5015 set_bit (FLAG_COMMIT, &ai->flags);
5016 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5017 ai->config.txDiversity =
5018 (line[13]=='l') ? 1 :
5019 ((line[13]=='r')? 2: 3);
5020 set_bit (FLAG_COMMIT, &ai->flags);
5021 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5022 ai->config.rxDiversity =
5023 (line[13]=='l') ? 1 :
5024 ((line[13]=='r')? 2: 3);
5025 set_bit (FLAG_COMMIT, &ai->flags);
5026 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5030 v = get_dec_u16(line, &i, 4);
5031 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5032 v = v & 0xfffe; /* Make sure its even */
5033 ai->config.fragThresh = (u16)v;
5034 set_bit (FLAG_COMMIT, &ai->flags);
5035 } else if (!strncmp(line, "Modulation: ", 12)) {
5038 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5039 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5040 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5043 } else if (!strncmp(line, "Preamble: ", 10)) {
5046 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5047 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5048 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5049 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5052 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5054 while( line[0] && line[0] != '\n' ) line++;
5055 if ( line[0] ) line++;
5057 airo_config_commit(dev, NULL, NULL, NULL);
5060 static char *get_rmode(u16 mode) {
5062 case RXMODE_RFMON: return "rfmon";
5063 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5064 case RXMODE_LANMON: return "lanmon";
5069 static int proc_config_open( struct inode *inode, struct file *file ) {
5070 struct proc_data *data;
5071 struct proc_dir_entry *dp = PDE(inode);
5072 struct net_device *dev = dp->data;
5073 struct airo_info *ai = dev->priv;
5076 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5078 data = (struct proc_data *)file->private_data;
5079 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5080 kfree (file->private_data);
5083 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5084 kfree (data->rbuffer);
5085 kfree (file->private_data);
5088 data->maxwritelen = 2048;
5089 data->on_close = proc_config_on_close;
5091 readConfigRid(ai, 1);
5093 i = sprintf( data->rbuffer,
5098 "DataRates: %d %d %d %d %d %d %d %d\n"
5101 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5102 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5103 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5104 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5105 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5106 ai->config.nodeName,
5107 ai->config.powerSaveMode == 0 ? "CAM" :
5108 ai->config.powerSaveMode == 1 ? "PSP" :
5109 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5110 (int)ai->config.rates[0],
5111 (int)ai->config.rates[1],
5112 (int)ai->config.rates[2],
5113 (int)ai->config.rates[3],
5114 (int)ai->config.rates[4],
5115 (int)ai->config.rates[5],
5116 (int)ai->config.rates[6],
5117 (int)ai->config.rates[7],
5118 (int)ai->config.channelSet,
5119 (int)ai->config.txPower
5121 sprintf( data->rbuffer + i,
5122 "LongRetryLimit: %d\n"
5123 "ShortRetryLimit: %d\n"
5124 "RTSThreshold: %d\n"
5125 "TXMSDULifetime: %d\n"
5126 "RXMSDULifetime: %d\n"
5129 "FragThreshold: %d\n"
5133 (int)ai->config.longRetryLimit,
5134 (int)ai->config.shortRetryLimit,
5135 (int)ai->config.rtsThres,
5136 (int)ai->config.txLifetime,
5137 (int)ai->config.rxLifetime,
5138 ai->config.txDiversity == 1 ? "left" :
5139 ai->config.txDiversity == 2 ? "right" : "both",
5140 ai->config.rxDiversity == 1 ? "left" :
5141 ai->config.rxDiversity == 2 ? "right" : "both",
5142 (int)ai->config.fragThresh,
5143 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5144 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5145 ai->config.modulation == 0 ? "default" :
5146 ai->config.modulation == MOD_CCK ? "cck" :
5147 ai->config.modulation == MOD_MOK ? "mok" : "error",
5148 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5149 ai->config.preamble == PREAMBLE_LONG ? "long" :
5150 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5152 data->readlen = strlen( data->rbuffer );
5156 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5157 struct proc_data *data = (struct proc_data *)file->private_data;
5158 struct proc_dir_entry *dp = PDE(inode);
5159 struct net_device *dev = dp->data;
5160 struct airo_info *ai = dev->priv;
5166 if ( !data->writelen ) return;
5168 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5170 for( i = 0; i < 3; i++ ) {
5172 for( j = 0; j+offset < data->writelen && j < 32 &&
5173 data->wbuffer[offset+j] != '\n'; j++ ) {
5174 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5176 if ( j == 0 ) break;
5177 SSID_rid.ssids[i].len = j;
5179 while( data->wbuffer[offset] != '\n' &&
5180 offset < data->writelen ) offset++;
5184 SSID_rid.len = sizeof(SSID_rid);
5186 writeSsidRid(ai, &SSID_rid, 1);
5187 enable_MAC(ai, &rsp, 1);
5190 static inline u8 hexVal(char c) {
5191 if (c>='0' && c<='9') return c -= '0';
5192 if (c>='a' && c<='f') return c -= 'a'-10;
5193 if (c>='A' && c<='F') return c -= 'A'-10;
5197 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5198 struct proc_data *data = (struct proc_data *)file->private_data;
5199 struct proc_dir_entry *dp = PDE(inode);
5200 struct net_device *dev = dp->data;
5201 struct airo_info *ai = dev->priv;
5202 APListRid APList_rid;
5206 if ( !data->writelen ) return;
5208 memset( &APList_rid, 0, sizeof(APList_rid) );
5209 APList_rid.len = sizeof(APList_rid);
5211 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5213 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5216 APList_rid.ap[i][j/3]=
5217 hexVal(data->wbuffer[j+i*6*3])<<4;
5220 APList_rid.ap[i][j/3]|=
5221 hexVal(data->wbuffer[j+i*6*3]);
5227 writeAPListRid(ai, &APList_rid, 1);
5228 enable_MAC(ai, &rsp, 1);
5231 /* This function wraps PC4500_writerid with a MAC disable */
5232 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5233 int len, int dummy ) {
5238 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5239 enable_MAC(ai, &rsp, 1);
5243 /* Returns the length of the key at the index. If index == 0xffff
5244 * the index of the transmit key is returned. If the key doesn't exist,
5245 * -1 will be returned.
5247 static int get_wep_key(struct airo_info *ai, u16 index) {
5252 rc = readWepKeyRid(ai, &wkr, 1, 1);
5253 if (rc == SUCCESS) do {
5254 lastindex = wkr.kindex;
5255 if (wkr.kindex == index) {
5256 if (index == 0xffff) {
5261 readWepKeyRid(ai, &wkr, 0, 1);
5262 } while(lastindex != wkr.kindex);
5266 static int set_wep_key(struct airo_info *ai, u16 index,
5267 const char *key, u16 keylen, int perm, int lock ) {
5268 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5272 memset(&wkr, 0, sizeof(wkr));
5274 // We are selecting which key to use
5275 wkr.len = sizeof(wkr);
5276 wkr.kindex = 0xffff;
5277 wkr.mac[0] = (char)index;
5278 if (perm) ai->defindex = (char)index;
5280 // We are actually setting the key
5281 wkr.len = sizeof(wkr);
5284 memcpy( wkr.key, key, keylen );
5285 memcpy( wkr.mac, macaddr, ETH_ALEN );
5288 if (perm) disable_MAC(ai, lock);
5289 writeWepKeyRid(ai, &wkr, perm, lock);
5290 if (perm) enable_MAC(ai, &rsp, lock);
5294 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5295 struct proc_data *data;
5296 struct proc_dir_entry *dp = PDE(inode);
5297 struct net_device *dev = dp->data;
5298 struct airo_info *ai = dev->priv;
5304 memset(key, 0, sizeof(key));
5306 data = (struct proc_data *)file->private_data;
5307 if ( !data->writelen ) return;
5309 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5310 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5311 index = data->wbuffer[0] - '0';
5312 if (data->wbuffer[1] == '\n') {
5313 set_wep_key(ai, index, NULL, 0, 1, 1);
5318 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5322 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5325 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5328 key[i/3] |= hexVal(data->wbuffer[i+j]);
5332 set_wep_key(ai, index, key, i/3, 1, 1);
5335 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5336 struct proc_data *data;
5337 struct proc_dir_entry *dp = PDE(inode);
5338 struct net_device *dev = dp->data;
5339 struct airo_info *ai = dev->priv;
5346 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5348 memset(&wkr, 0, sizeof(wkr));
5349 data = (struct proc_data *)file->private_data;
5350 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5351 kfree (file->private_data);
5355 data->maxwritelen = 80;
5356 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5357 kfree (data->rbuffer);
5358 kfree (file->private_data);
5361 data->on_close = proc_wepkey_on_close;
5363 ptr = data->rbuffer;
5364 strcpy(ptr, "No wep keys\n");
5365 rc = readWepKeyRid(ai, &wkr, 1, 1);
5366 if (rc == SUCCESS) do {
5367 lastindex = wkr.kindex;
5368 if (wkr.kindex == 0xffff) {
5369 j += sprintf(ptr+j, "Tx key = %d\n",
5372 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5373 (int)wkr.kindex, (int)wkr.klen);
5375 readWepKeyRid(ai, &wkr, 0, 1);
5376 } while((lastindex != wkr.kindex) && (j < 180-30));
5378 data->readlen = strlen( data->rbuffer );
5382 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5383 struct proc_data *data;
5384 struct proc_dir_entry *dp = PDE(inode);
5385 struct net_device *dev = dp->data;
5386 struct airo_info *ai = dev->priv;
5391 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5393 data = (struct proc_data *)file->private_data;
5394 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5395 kfree (file->private_data);
5399 data->maxwritelen = 33*3;
5400 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5401 kfree (data->rbuffer);
5402 kfree (file->private_data);
5405 data->on_close = proc_SSID_on_close;
5407 readSsidRid(ai, &SSID_rid);
5408 ptr = data->rbuffer;
5409 for( i = 0; i < 3; i++ ) {
5411 if ( !SSID_rid.ssids[i].len ) break;
5412 for( j = 0; j < 32 &&
5413 j < SSID_rid.ssids[i].len &&
5414 SSID_rid.ssids[i].ssid[j]; j++ ) {
5415 *ptr++ = SSID_rid.ssids[i].ssid[j];
5420 data->readlen = strlen( data->rbuffer );
5424 static int proc_APList_open( struct inode *inode, struct file *file ) {
5425 struct proc_data *data;
5426 struct proc_dir_entry *dp = PDE(inode);
5427 struct net_device *dev = dp->data;
5428 struct airo_info *ai = dev->priv;
5431 APListRid APList_rid;
5433 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5435 data = (struct proc_data *)file->private_data;
5436 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5437 kfree (file->private_data);
5441 data->maxwritelen = 4*6*3;
5442 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5443 kfree (data->rbuffer);
5444 kfree (file->private_data);
5447 data->on_close = proc_APList_on_close;
5449 readAPListRid(ai, &APList_rid);
5450 ptr = data->rbuffer;
5451 for( i = 0; i < 4; i++ ) {
5452 // We end when we find a zero MAC
5453 if ( !*(int*)APList_rid.ap[i] &&
5454 !*(int*)&APList_rid.ap[i][2]) break;
5455 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5456 (int)APList_rid.ap[i][0],
5457 (int)APList_rid.ap[i][1],
5458 (int)APList_rid.ap[i][2],
5459 (int)APList_rid.ap[i][3],
5460 (int)APList_rid.ap[i][4],
5461 (int)APList_rid.ap[i][5]);
5463 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5466 data->readlen = strlen( data->rbuffer );
5470 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5471 struct proc_data *data;
5472 struct proc_dir_entry *dp = PDE(inode);
5473 struct net_device *dev = dp->data;
5474 struct airo_info *ai = dev->priv;
5476 BSSListRid BSSList_rid;
5478 /* If doLoseSync is not 1, we won't do a Lose Sync */
5479 int doLoseSync = -1;
5481 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5483 data = (struct proc_data *)file->private_data;
5484 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5485 kfree (file->private_data);
5489 data->maxwritelen = 0;
5490 data->wbuffer = NULL;
5491 data->on_close = NULL;
5493 if (file->f_mode & FMODE_WRITE) {
5494 if (!(file->f_mode & FMODE_READ)) {
5498 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5499 memset(&cmd, 0, sizeof(cmd));
5500 cmd.cmd=CMD_LISTBSS;
5501 if (down_interruptible(&ai->sem))
5502 return -ERESTARTSYS;
5503 issuecommand(ai, &cmd, &rsp);
5510 ptr = data->rbuffer;
5511 /* There is a race condition here if there are concurrent opens.
5512 Since it is a rare condition, we'll just live with it, otherwise
5513 we have to add a spin lock... */
5514 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5515 while(rc == 0 && BSSList_rid.index != 0xffff) {
5516 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5517 (int)BSSList_rid.bssid[0],
5518 (int)BSSList_rid.bssid[1],
5519 (int)BSSList_rid.bssid[2],
5520 (int)BSSList_rid.bssid[3],
5521 (int)BSSList_rid.bssid[4],
5522 (int)BSSList_rid.bssid[5],
5523 (int)BSSList_rid.ssidLen,
5525 (int)BSSList_rid.dBm);
5526 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5527 (int)BSSList_rid.dsChannel,
5528 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5529 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5530 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5531 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5532 rc = readBSSListRid(ai, 0, &BSSList_rid);
5535 data->readlen = strlen( data->rbuffer );
5539 static int proc_close( struct inode *inode, struct file *file )
5541 struct proc_data *data = file->private_data;
5543 if (data->on_close != NULL)
5544 data->on_close(inode, file);
5545 kfree(data->rbuffer);
5546 kfree(data->wbuffer);
5551 /* Since the card doesn't automatically switch to the right WEP mode,
5552 we will make it do it. If the card isn't associated, every secs we
5553 will switch WEP modes to see if that will help. If the card is
5554 associated we will check every minute to see if anything has
5556 static void timer_func( struct net_device *dev ) {
5557 struct airo_info *apriv = dev->priv;
5560 /* We don't have a link so try changing the authtype */
5561 readConfigRid(apriv, 0);
5562 disable_MAC(apriv, 0);
5563 switch(apriv->config.authType) {
5565 /* So drop to OPEN */
5566 apriv->config.authType = AUTH_OPEN;
5568 case AUTH_SHAREDKEY:
5569 if (apriv->keyindex < auto_wep) {
5570 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5571 apriv->config.authType = AUTH_SHAREDKEY;
5574 /* Drop to ENCRYPT */
5575 apriv->keyindex = 0;
5576 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5577 apriv->config.authType = AUTH_ENCRYPT;
5580 default: /* We'll escalate to SHAREDKEY */
5581 apriv->config.authType = AUTH_SHAREDKEY;
5583 set_bit (FLAG_COMMIT, &apriv->flags);
5584 writeConfigRid(apriv, 0);
5585 enable_MAC(apriv, &rsp, 0);
5588 /* Schedule check to see if the change worked */
5589 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5590 apriv->expires = RUN_AT(HZ*3);
5594 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5595 const struct pci_device_id *pent)
5597 struct net_device *dev;
5599 if (pci_enable_device(pdev))
5601 pci_set_master(pdev);
5603 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5604 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5606 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5608 pci_disable_device(pdev);
5612 pci_set_drvdata(pdev, dev);
5616 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5618 struct net_device *dev = pci_get_drvdata(pdev);
5620 airo_print_info(dev->name, "Unregistering...");
5621 stop_airo_card(dev, 1);
5622 pci_disable_device(pdev);
5623 pci_set_drvdata(pdev, NULL);
5626 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5628 struct net_device *dev = pci_get_drvdata(pdev);
5629 struct airo_info *ai = dev->priv;
5633 if ((ai->APList == NULL) &&
5634 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5636 if ((ai->SSID == NULL) &&
5637 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5639 readAPListRid(ai, ai->APList);
5640 readSsidRid(ai, ai->SSID);
5641 memset(&cmd, 0, sizeof(cmd));
5642 /* the lock will be released at the end of the resume callback */
5643 if (down_interruptible(&ai->sem))
5646 netif_device_detach(dev);
5649 issuecommand(ai, &cmd, &rsp);
5651 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5652 pci_save_state(pdev);
5653 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5656 static int airo_pci_resume(struct pci_dev *pdev)
5658 struct net_device *dev = pci_get_drvdata(pdev);
5659 struct airo_info *ai = dev->priv;
5661 pci_power_t prev_state = pdev->current_state;
5663 pci_set_power_state(pdev, PCI_D0);
5664 pci_restore_state(pdev);
5665 pci_enable_wake(pdev, PCI_D0, 0);
5667 if (prev_state != PCI_D1) {
5669 mpi_init_descriptors(ai);
5670 setup_card(ai, dev->dev_addr, 0);
5671 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5672 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5674 OUT4500(ai, EVACK, EV_AWAKEN);
5675 OUT4500(ai, EVACK, EV_AWAKEN);
5679 set_bit (FLAG_COMMIT, &ai->flags);
5683 writeSsidRid(ai, ai->SSID, 0);
5688 writeAPListRid(ai, ai->APList, 0);
5692 writeConfigRid(ai, 0);
5693 enable_MAC(ai, &rsp, 0);
5694 ai->power = PMSG_ON;
5695 netif_device_attach(dev);
5696 netif_wake_queue(dev);
5697 enable_interrupts(ai);
5703 static int __init airo_init_module( void )
5707 int have_isa_dev = 0;
5710 airo_entry = create_proc_entry("aironet",
5711 S_IFDIR | airo_perm,
5715 airo_entry->uid = proc_uid;
5716 airo_entry->gid = proc_gid;
5719 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5720 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5721 "io=0x%x", irq[i], io[i] );
5722 if (init_airo_card( irq[i], io[i], 0, NULL ))
5731 airo_print_info("", "Probing for PCI adapters");
5732 i = pci_register_driver(&airo_driver);
5733 airo_print_info("", "Finished probing for PCI adapters");
5736 remove_proc_entry("aironet", proc_root_driver);
5741 /* Always exit with success, as we are a library module
5742 * as well as a driver module
5747 static void __exit airo_cleanup_module( void )
5749 struct airo_info *ai;
5750 while(!list_empty(&airo_devices)) {
5751 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5752 airo_print_info(ai->dev->name, "Unregistering...");
5753 stop_airo_card(ai->dev, 1);
5756 pci_unregister_driver(&airo_driver);
5758 remove_proc_entry("aironet", proc_root_driver);
5762 * Initial Wireless Extension code for Aironet driver by :
5763 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5764 * Conversion to new driver API by :
5765 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5766 * Javier also did a good amount of work here, adding some new extensions
5767 * and fixing my code. Let's just say that without him this code just
5768 * would not work at all... - Jean II
5771 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5776 return (0x100 - rssi_rid[rssi].rssidBm);
5779 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5786 for( i = 0; i < 256; i++ )
5787 if (rssi_rid[i].rssidBm == dbm)
5788 return rssi_rid[i].rssipct;
5794 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5798 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5799 if (memcmp(cap_rid->prodName, "350", 3))
5800 if (status_rid->signalQuality > 0x20)
5803 quality = 0x20 - status_rid->signalQuality;
5805 if (status_rid->signalQuality > 0xb0)
5807 else if (status_rid->signalQuality < 0x10)
5810 quality = 0xb0 - status_rid->signalQuality;
5815 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5816 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5818 /*------------------------------------------------------------------*/
5820 * Wireless Handler : get protocol name
5822 static int airo_get_name(struct net_device *dev,
5823 struct iw_request_info *info,
5827 strcpy(cwrq, "IEEE 802.11-DS");
5831 /*------------------------------------------------------------------*/
5833 * Wireless Handler : set frequency
5835 static int airo_set_freq(struct net_device *dev,
5836 struct iw_request_info *info,
5837 struct iw_freq *fwrq,
5840 struct airo_info *local = dev->priv;
5841 int rc = -EINPROGRESS; /* Call commit handler */
5843 /* If setting by frequency, convert to a channel */
5844 if((fwrq->e == 1) &&
5845 (fwrq->m >= (int) 2.412e8) &&
5846 (fwrq->m <= (int) 2.487e8)) {
5847 int f = fwrq->m / 100000;
5849 while((c < 14) && (f != frequency_list[c]))
5851 /* Hack to fall through... */
5855 /* Setting by channel number */
5856 if((fwrq->m > 1000) || (fwrq->e > 0))
5859 int channel = fwrq->m;
5860 /* We should do a better check than that,
5861 * based on the card capability !!! */
5862 if((channel < 1) || (channel > 14)) {
5863 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5867 readConfigRid(local, 1);
5868 /* Yes ! We can set it !!! */
5869 local->config.channelSet = (u16) channel;
5870 set_bit (FLAG_COMMIT, &local->flags);
5876 /*------------------------------------------------------------------*/
5878 * Wireless Handler : get frequency
5880 static int airo_get_freq(struct net_device *dev,
5881 struct iw_request_info *info,
5882 struct iw_freq *fwrq,
5885 struct airo_info *local = dev->priv;
5886 StatusRid status_rid; /* Card status info */
5889 readConfigRid(local, 1);
5890 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5891 status_rid.channel = local->config.channelSet;
5893 readStatusRid(local, &status_rid, 1);
5895 ch = (int)status_rid.channel;
5896 if((ch > 0) && (ch < 15)) {
5897 fwrq->m = frequency_list[ch - 1] * 100000;
5907 /*------------------------------------------------------------------*/
5909 * Wireless Handler : set ESSID
5911 static int airo_set_essid(struct net_device *dev,
5912 struct iw_request_info *info,
5913 struct iw_point *dwrq,
5916 struct airo_info *local = dev->priv;
5918 SsidRid SSID_rid; /* SSIDs */
5920 /* Reload the list of current SSID */
5921 readSsidRid(local, &SSID_rid);
5923 /* Check if we asked for `any' */
5924 if(dwrq->flags == 0) {
5925 /* Just send an empty SSID list */
5926 memset(&SSID_rid, 0, sizeof(SSID_rid));
5928 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5930 /* Check the size of the string */
5931 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5934 /* Check if index is valid */
5935 if((index < 0) || (index >= 4)) {
5940 memset(SSID_rid.ssids[index].ssid, 0,
5941 sizeof(SSID_rid.ssids[index].ssid));
5942 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5943 SSID_rid.ssids[index].len = dwrq->length;
5945 SSID_rid.len = sizeof(SSID_rid);
5946 /* Write it to the card */
5947 disable_MAC(local, 1);
5948 writeSsidRid(local, &SSID_rid, 1);
5949 enable_MAC(local, &rsp, 1);
5954 /*------------------------------------------------------------------*/
5956 * Wireless Handler : get ESSID
5958 static int airo_get_essid(struct net_device *dev,
5959 struct iw_request_info *info,
5960 struct iw_point *dwrq,
5963 struct airo_info *local = dev->priv;
5964 StatusRid status_rid; /* Card status info */
5966 readStatusRid(local, &status_rid, 1);
5968 /* Note : if dwrq->flags != 0, we should
5969 * get the relevant SSID from the SSID list... */
5971 /* Get the current SSID */
5972 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5973 /* If none, we may want to get the one that was set */
5976 dwrq->length = status_rid.SSIDlen;
5977 dwrq->flags = 1; /* active */
5982 /*------------------------------------------------------------------*/
5984 * Wireless Handler : set AP address
5986 static int airo_set_wap(struct net_device *dev,
5987 struct iw_request_info *info,
5988 struct sockaddr *awrq,
5991 struct airo_info *local = dev->priv;
5994 APListRid APList_rid;
5995 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5996 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5998 if (awrq->sa_family != ARPHRD_ETHER)
6000 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6001 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6002 memset(&cmd, 0, sizeof(cmd));
6003 cmd.cmd=CMD_LOSE_SYNC;
6004 if (down_interruptible(&local->sem))
6005 return -ERESTARTSYS;
6006 issuecommand(local, &cmd, &rsp);
6009 memset(&APList_rid, 0, sizeof(APList_rid));
6010 APList_rid.len = sizeof(APList_rid);
6011 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6012 disable_MAC(local, 1);
6013 writeAPListRid(local, &APList_rid, 1);
6014 enable_MAC(local, &rsp, 1);
6019 /*------------------------------------------------------------------*/
6021 * Wireless Handler : get AP address
6023 static int airo_get_wap(struct net_device *dev,
6024 struct iw_request_info *info,
6025 struct sockaddr *awrq,
6028 struct airo_info *local = dev->priv;
6029 StatusRid status_rid; /* Card status info */
6031 readStatusRid(local, &status_rid, 1);
6033 /* Tentative. This seems to work, wow, I'm lucky !!! */
6034 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6035 awrq->sa_family = ARPHRD_ETHER;
6040 /*------------------------------------------------------------------*/
6042 * Wireless Handler : set Nickname
6044 static int airo_set_nick(struct net_device *dev,
6045 struct iw_request_info *info,
6046 struct iw_point *dwrq,
6049 struct airo_info *local = dev->priv;
6051 /* Check the size of the string */
6052 if(dwrq->length > 16) {
6055 readConfigRid(local, 1);
6056 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6057 memcpy(local->config.nodeName, extra, dwrq->length);
6058 set_bit (FLAG_COMMIT, &local->flags);
6060 return -EINPROGRESS; /* Call commit handler */
6063 /*------------------------------------------------------------------*/
6065 * Wireless Handler : get Nickname
6067 static int airo_get_nick(struct net_device *dev,
6068 struct iw_request_info *info,
6069 struct iw_point *dwrq,
6072 struct airo_info *local = dev->priv;
6074 readConfigRid(local, 1);
6075 strncpy(extra, local->config.nodeName, 16);
6077 dwrq->length = strlen(extra);
6082 /*------------------------------------------------------------------*/
6084 * Wireless Handler : set Bit-Rate
6086 static int airo_set_rate(struct net_device *dev,
6087 struct iw_request_info *info,
6088 struct iw_param *vwrq,
6091 struct airo_info *local = dev->priv;
6092 CapabilityRid cap_rid; /* Card capability info */
6096 /* First : get a valid bit rate value */
6097 readCapabilityRid(local, &cap_rid, 1);
6099 /* Which type of value ? */
6100 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6101 /* Setting by rate index */
6102 /* Find value in the magic rate table */
6103 brate = cap_rid.supportedRates[vwrq->value];
6105 /* Setting by frequency value */
6106 u8 normvalue = (u8) (vwrq->value/500000);
6108 /* Check if rate is valid */
6109 for(i = 0 ; i < 8 ; i++) {
6110 if(normvalue == cap_rid.supportedRates[i]) {
6116 /* -1 designed the max rate (mostly auto mode) */
6117 if(vwrq->value == -1) {
6118 /* Get the highest available rate */
6119 for(i = 0 ; i < 8 ; i++) {
6120 if(cap_rid.supportedRates[i] == 0)
6124 brate = cap_rid.supportedRates[i - 1];
6126 /* Check that it is valid */
6131 readConfigRid(local, 1);
6132 /* Now, check if we want a fixed or auto value */
6133 if(vwrq->fixed == 0) {
6134 /* Fill all the rates up to this max rate */
6135 memset(local->config.rates, 0, 8);
6136 for(i = 0 ; i < 8 ; i++) {
6137 local->config.rates[i] = cap_rid.supportedRates[i];
6138 if(local->config.rates[i] == brate)
6143 /* One rate, fixed */
6144 memset(local->config.rates, 0, 8);
6145 local->config.rates[0] = brate;
6147 set_bit (FLAG_COMMIT, &local->flags);
6149 return -EINPROGRESS; /* Call commit handler */
6152 /*------------------------------------------------------------------*/
6154 * Wireless Handler : get Bit-Rate
6156 static int airo_get_rate(struct net_device *dev,
6157 struct iw_request_info *info,
6158 struct iw_param *vwrq,
6161 struct airo_info *local = dev->priv;
6162 StatusRid status_rid; /* Card status info */
6164 readStatusRid(local, &status_rid, 1);
6166 vwrq->value = status_rid.currentXmitRate * 500000;
6167 /* If more than one rate, set auto */
6168 readConfigRid(local, 1);
6169 vwrq->fixed = (local->config.rates[1] == 0);
6174 /*------------------------------------------------------------------*/
6176 * Wireless Handler : set RTS threshold
6178 static int airo_set_rts(struct net_device *dev,
6179 struct iw_request_info *info,
6180 struct iw_param *vwrq,
6183 struct airo_info *local = dev->priv;
6184 int rthr = vwrq->value;
6187 rthr = AIRO_DEF_MTU;
6188 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6191 readConfigRid(local, 1);
6192 local->config.rtsThres = rthr;
6193 set_bit (FLAG_COMMIT, &local->flags);
6195 return -EINPROGRESS; /* Call commit handler */
6198 /*------------------------------------------------------------------*/
6200 * Wireless Handler : get RTS threshold
6202 static int airo_get_rts(struct net_device *dev,
6203 struct iw_request_info *info,
6204 struct iw_param *vwrq,
6207 struct airo_info *local = dev->priv;
6209 readConfigRid(local, 1);
6210 vwrq->value = local->config.rtsThres;
6211 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6217 /*------------------------------------------------------------------*/
6219 * Wireless Handler : set Fragmentation threshold
6221 static int airo_set_frag(struct net_device *dev,
6222 struct iw_request_info *info,
6223 struct iw_param *vwrq,
6226 struct airo_info *local = dev->priv;
6227 int fthr = vwrq->value;
6230 fthr = AIRO_DEF_MTU;
6231 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6234 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6235 readConfigRid(local, 1);
6236 local->config.fragThresh = (u16)fthr;
6237 set_bit (FLAG_COMMIT, &local->flags);
6239 return -EINPROGRESS; /* Call commit handler */
6242 /*------------------------------------------------------------------*/
6244 * Wireless Handler : get Fragmentation threshold
6246 static int airo_get_frag(struct net_device *dev,
6247 struct iw_request_info *info,
6248 struct iw_param *vwrq,
6251 struct airo_info *local = dev->priv;
6253 readConfigRid(local, 1);
6254 vwrq->value = local->config.fragThresh;
6255 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6261 /*------------------------------------------------------------------*/
6263 * Wireless Handler : set Mode of Operation
6265 static int airo_set_mode(struct net_device *dev,
6266 struct iw_request_info *info,
6270 struct airo_info *local = dev->priv;
6273 readConfigRid(local, 1);
6274 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6279 local->config.opmode &= 0xFF00;
6280 local->config.opmode |= MODE_STA_IBSS;
6281 local->config.rmode &= 0xfe00;
6282 local->config.scanMode = SCANMODE_ACTIVE;
6283 clear_bit (FLAG_802_11, &local->flags);
6286 local->config.opmode &= 0xFF00;
6287 local->config.opmode |= MODE_STA_ESS;
6288 local->config.rmode &= 0xfe00;
6289 local->config.scanMode = SCANMODE_ACTIVE;
6290 clear_bit (FLAG_802_11, &local->flags);
6292 case IW_MODE_MASTER:
6293 local->config.opmode &= 0xFF00;
6294 local->config.opmode |= MODE_AP;
6295 local->config.rmode &= 0xfe00;
6296 local->config.scanMode = SCANMODE_ACTIVE;
6297 clear_bit (FLAG_802_11, &local->flags);
6299 case IW_MODE_REPEAT:
6300 local->config.opmode &= 0xFF00;
6301 local->config.opmode |= MODE_AP_RPTR;
6302 local->config.rmode &= 0xfe00;
6303 local->config.scanMode = SCANMODE_ACTIVE;
6304 clear_bit (FLAG_802_11, &local->flags);
6306 case IW_MODE_MONITOR:
6307 local->config.opmode &= 0xFF00;
6308 local->config.opmode |= MODE_STA_ESS;
6309 local->config.rmode &= 0xfe00;
6310 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6311 local->config.scanMode = SCANMODE_PASSIVE;
6312 set_bit (FLAG_802_11, &local->flags);
6318 set_bit (FLAG_RESET, &local->flags);
6319 set_bit (FLAG_COMMIT, &local->flags);
6321 return -EINPROGRESS; /* Call commit handler */
6324 /*------------------------------------------------------------------*/
6326 * Wireless Handler : get Mode of Operation
6328 static int airo_get_mode(struct net_device *dev,
6329 struct iw_request_info *info,
6333 struct airo_info *local = dev->priv;
6335 readConfigRid(local, 1);
6336 /* If not managed, assume it's ad-hoc */
6337 switch (local->config.opmode & 0xFF) {
6339 *uwrq = IW_MODE_INFRA;
6342 *uwrq = IW_MODE_MASTER;
6345 *uwrq = IW_MODE_REPEAT;
6348 *uwrq = IW_MODE_ADHOC;
6354 /*------------------------------------------------------------------*/
6356 * Wireless Handler : set Encryption Key
6358 static int airo_set_encode(struct net_device *dev,
6359 struct iw_request_info *info,
6360 struct iw_point *dwrq,
6363 struct airo_info *local = dev->priv;
6364 CapabilityRid cap_rid; /* Card capability info */
6365 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6366 u16 currentAuthType = local->config.authType;
6368 /* Is WEP supported ? */
6369 readCapabilityRid(local, &cap_rid, 1);
6370 /* Older firmware doesn't support this...
6371 if(!(cap_rid.softCap & 2)) {
6374 readConfigRid(local, 1);
6376 /* Basic checking: do we have a key to set ?
6377 * Note : with the new API, it's impossible to get a NULL pointer.
6378 * Therefore, we need to check a key size == 0 instead.
6379 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6380 * when no key is present (only change flags), but older versions
6381 * don't do it. - Jean II */
6382 if (dwrq->length > 0) {
6384 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6385 int current_index = get_wep_key(local, 0xffff);
6386 /* Check the size of the key */
6387 if (dwrq->length > MAX_KEY_SIZE) {
6390 /* Check the index (none -> use current) */
6391 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6392 index = current_index;
6393 /* Set the length */
6394 if (dwrq->length > MIN_KEY_SIZE)
6395 key.len = MAX_KEY_SIZE;
6397 if (dwrq->length > 0)
6398 key.len = MIN_KEY_SIZE;
6400 /* Disable the key */
6402 /* Check if the key is not marked as invalid */
6403 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6405 memset(key.key, 0, MAX_KEY_SIZE);
6406 /* Copy the key in the driver */
6407 memcpy(key.key, extra, dwrq->length);
6408 /* Send the key to the card */
6409 set_wep_key(local, index, key.key, key.len, perm, 1);
6411 /* WE specify that if a valid key is set, encryption
6412 * should be enabled (user may turn it off later)
6413 * This is also how "iwconfig ethX key on" works */
6414 if((index == current_index) && (key.len > 0) &&
6415 (local->config.authType == AUTH_OPEN)) {
6416 local->config.authType = AUTH_ENCRYPT;
6419 /* Do we want to just set the transmit key index ? */
6420 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6421 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6422 set_wep_key(local, index, NULL, 0, perm, 1);
6424 /* Don't complain if only change the mode */
6425 if(!dwrq->flags & IW_ENCODE_MODE) {
6429 /* Read the flags */
6430 if(dwrq->flags & IW_ENCODE_DISABLED)
6431 local->config.authType = AUTH_OPEN; // disable encryption
6432 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6433 local->config.authType = AUTH_SHAREDKEY; // Only Both
6434 if(dwrq->flags & IW_ENCODE_OPEN)
6435 local->config.authType = AUTH_ENCRYPT; // Only Wep
6436 /* Commit the changes to flags if needed */
6437 if (local->config.authType != currentAuthType)
6438 set_bit (FLAG_COMMIT, &local->flags);
6439 return -EINPROGRESS; /* Call commit handler */
6442 /*------------------------------------------------------------------*/
6444 * Wireless Handler : get Encryption Key
6446 static int airo_get_encode(struct net_device *dev,
6447 struct iw_request_info *info,
6448 struct iw_point *dwrq,
6451 struct airo_info *local = dev->priv;
6452 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6453 CapabilityRid cap_rid; /* Card capability info */
6455 /* Is it supported ? */
6456 readCapabilityRid(local, &cap_rid, 1);
6457 if(!(cap_rid.softCap & 2)) {
6460 readConfigRid(local, 1);
6461 /* Check encryption mode */
6462 switch(local->config.authType) {
6464 dwrq->flags = IW_ENCODE_OPEN;
6466 case AUTH_SHAREDKEY:
6467 dwrq->flags = IW_ENCODE_RESTRICTED;
6471 dwrq->flags = IW_ENCODE_DISABLED;
6474 /* We can't return the key, so set the proper flag and return zero */
6475 dwrq->flags |= IW_ENCODE_NOKEY;
6476 memset(extra, 0, 16);
6478 /* Which key do we want ? -1 -> tx index */
6479 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6480 index = get_wep_key(local, 0xffff);
6481 dwrq->flags |= index + 1;
6482 /* Copy the key to the user buffer */
6483 dwrq->length = get_wep_key(local, index);
6484 if (dwrq->length > 16) {
6490 /*------------------------------------------------------------------*/
6492 * Wireless Handler : set extended Encryption parameters
6494 static int airo_set_encodeext(struct net_device *dev,
6495 struct iw_request_info *info,
6496 union iwreq_data *wrqu,
6499 struct airo_info *local = dev->priv;
6500 struct iw_point *encoding = &wrqu->encoding;
6501 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6502 CapabilityRid cap_rid; /* Card capability info */
6503 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6504 u16 currentAuthType = local->config.authType;
6505 int idx, key_len, alg = ext->alg, set_key = 1;
6508 /* Is WEP supported ? */
6509 readCapabilityRid(local, &cap_rid, 1);
6510 /* Older firmware doesn't support this...
6511 if(!(cap_rid.softCap & 2)) {
6514 readConfigRid(local, 1);
6516 /* Determine and validate the key index */
6517 idx = encoding->flags & IW_ENCODE_INDEX;
6519 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6523 idx = get_wep_key(local, 0xffff);
6525 if (encoding->flags & IW_ENCODE_DISABLED)
6526 alg = IW_ENCODE_ALG_NONE;
6528 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6529 /* Only set transmit key index here, actual
6530 * key is set below if needed.
6532 set_wep_key(local, idx, NULL, 0, perm, 1);
6533 set_key = ext->key_len > 0 ? 1 : 0;
6537 /* Set the requested key first */
6538 memset(key.key, 0, MAX_KEY_SIZE);
6540 case IW_ENCODE_ALG_NONE:
6543 case IW_ENCODE_ALG_WEP:
6544 if (ext->key_len > MIN_KEY_SIZE) {
6545 key.len = MAX_KEY_SIZE;
6546 } else if (ext->key_len > 0) {
6547 key.len = MIN_KEY_SIZE;
6551 key_len = min (ext->key_len, key.len);
6552 memcpy(key.key, ext->key, key_len);
6557 /* Send the key to the card */
6558 set_wep_key(local, idx, key.key, key.len, perm, 1);
6561 /* Read the flags */
6562 if(encoding->flags & IW_ENCODE_DISABLED)
6563 local->config.authType = AUTH_OPEN; // disable encryption
6564 if(encoding->flags & IW_ENCODE_RESTRICTED)
6565 local->config.authType = AUTH_SHAREDKEY; // Only Both
6566 if(encoding->flags & IW_ENCODE_OPEN)
6567 local->config.authType = AUTH_ENCRYPT; // Only Wep
6568 /* Commit the changes to flags if needed */
6569 if (local->config.authType != currentAuthType)
6570 set_bit (FLAG_COMMIT, &local->flags);
6572 return -EINPROGRESS;
6576 /*------------------------------------------------------------------*/
6578 * Wireless Handler : get extended Encryption parameters
6580 static int airo_get_encodeext(struct net_device *dev,
6581 struct iw_request_info *info,
6582 union iwreq_data *wrqu,
6585 struct airo_info *local = dev->priv;
6586 struct iw_point *encoding = &wrqu->encoding;
6587 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6588 CapabilityRid cap_rid; /* Card capability info */
6589 int idx, max_key_len;
6591 /* Is it supported ? */
6592 readCapabilityRid(local, &cap_rid, 1);
6593 if(!(cap_rid.softCap & 2)) {
6596 readConfigRid(local, 1);
6598 max_key_len = encoding->length - sizeof(*ext);
6599 if (max_key_len < 0)
6602 idx = encoding->flags & IW_ENCODE_INDEX;
6604 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6608 idx = get_wep_key(local, 0xffff);
6610 encoding->flags = idx + 1;
6611 memset(ext, 0, sizeof(*ext));
6613 /* Check encryption mode */
6614 switch(local->config.authType) {
6616 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6618 case AUTH_SHAREDKEY:
6619 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6623 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6626 /* We can't return the key, so set the proper flag and return zero */
6627 encoding->flags |= IW_ENCODE_NOKEY;
6628 memset(extra, 0, 16);
6630 /* Copy the key to the user buffer */
6631 ext->key_len = get_wep_key(local, idx);
6632 if (ext->key_len > 16) {
6640 /*------------------------------------------------------------------*/
6642 * Wireless Handler : set extended authentication parameters
6644 static int airo_set_auth(struct net_device *dev,
6645 struct iw_request_info *info,
6646 union iwreq_data *wrqu, char *extra)
6648 struct airo_info *local = dev->priv;
6649 struct iw_param *param = &wrqu->param;
6650 u16 currentAuthType = local->config.authType;
6652 switch (param->flags & IW_AUTH_INDEX) {
6653 case IW_AUTH_WPA_VERSION:
6654 case IW_AUTH_CIPHER_PAIRWISE:
6655 case IW_AUTH_CIPHER_GROUP:
6656 case IW_AUTH_KEY_MGMT:
6657 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6658 case IW_AUTH_PRIVACY_INVOKED:
6660 * airo does not use these parameters
6664 case IW_AUTH_DROP_UNENCRYPTED:
6666 /* Only change auth type if unencrypted */
6667 if (currentAuthType == AUTH_OPEN)
6668 local->config.authType = AUTH_ENCRYPT;
6670 local->config.authType = AUTH_OPEN;
6673 /* Commit the changes to flags if needed */
6674 if (local->config.authType != currentAuthType)
6675 set_bit (FLAG_COMMIT, &local->flags);
6678 case IW_AUTH_80211_AUTH_ALG: {
6679 /* FIXME: What about AUTH_OPEN? This API seems to
6680 * disallow setting our auth to AUTH_OPEN.
6682 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6683 local->config.authType = AUTH_SHAREDKEY;
6684 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6685 local->config.authType = AUTH_ENCRYPT;
6690 /* Commit the changes to flags if needed */
6691 if (local->config.authType != currentAuthType)
6692 set_bit (FLAG_COMMIT, &local->flags);
6695 case IW_AUTH_WPA_ENABLED:
6696 /* Silently accept disable of WPA */
6697 if (param->value > 0)
6704 return -EINPROGRESS;
6708 /*------------------------------------------------------------------*/
6710 * Wireless Handler : get extended authentication parameters
6712 static int airo_get_auth(struct net_device *dev,
6713 struct iw_request_info *info,
6714 union iwreq_data *wrqu, char *extra)
6716 struct airo_info *local = dev->priv;
6717 struct iw_param *param = &wrqu->param;
6718 u16 currentAuthType = local->config.authType;
6720 switch (param->flags & IW_AUTH_INDEX) {
6721 case IW_AUTH_DROP_UNENCRYPTED:
6722 switch (currentAuthType) {
6723 case AUTH_SHAREDKEY:
6733 case IW_AUTH_80211_AUTH_ALG:
6734 switch (currentAuthType) {
6735 case AUTH_SHAREDKEY:
6736 param->value = IW_AUTH_ALG_SHARED_KEY;
6740 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6745 case IW_AUTH_WPA_ENABLED:
6756 /*------------------------------------------------------------------*/
6758 * Wireless Handler : set Tx-Power
6760 static int airo_set_txpow(struct net_device *dev,
6761 struct iw_request_info *info,
6762 struct iw_param *vwrq,
6765 struct airo_info *local = dev->priv;
6766 CapabilityRid cap_rid; /* Card capability info */
6770 readCapabilityRid(local, &cap_rid, 1);
6772 if (vwrq->disabled) {
6773 set_bit (FLAG_RADIO_OFF, &local->flags);
6774 set_bit (FLAG_COMMIT, &local->flags);
6775 return -EINPROGRESS; /* Call commit handler */
6777 if (vwrq->flags != IW_TXPOW_MWATT) {
6780 clear_bit (FLAG_RADIO_OFF, &local->flags);
6781 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6782 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6783 readConfigRid(local, 1);
6784 local->config.txPower = vwrq->value;
6785 set_bit (FLAG_COMMIT, &local->flags);
6786 rc = -EINPROGRESS; /* Call commit handler */
6792 /*------------------------------------------------------------------*/
6794 * Wireless Handler : get Tx-Power
6796 static int airo_get_txpow(struct net_device *dev,
6797 struct iw_request_info *info,
6798 struct iw_param *vwrq,
6801 struct airo_info *local = dev->priv;
6803 readConfigRid(local, 1);
6804 vwrq->value = local->config.txPower;
6805 vwrq->fixed = 1; /* No power control */
6806 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6807 vwrq->flags = IW_TXPOW_MWATT;
6812 /*------------------------------------------------------------------*/
6814 * Wireless Handler : set Retry limits
6816 static int airo_set_retry(struct net_device *dev,
6817 struct iw_request_info *info,
6818 struct iw_param *vwrq,
6821 struct airo_info *local = dev->priv;
6824 if(vwrq->disabled) {
6827 readConfigRid(local, 1);
6828 if(vwrq->flags & IW_RETRY_LIMIT) {
6829 if(vwrq->flags & IW_RETRY_LONG)
6830 local->config.longRetryLimit = vwrq->value;
6831 else if (vwrq->flags & IW_RETRY_SHORT)
6832 local->config.shortRetryLimit = vwrq->value;
6834 /* No modifier : set both */
6835 local->config.longRetryLimit = vwrq->value;
6836 local->config.shortRetryLimit = vwrq->value;
6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6841 if(vwrq->flags & IW_RETRY_LIFETIME) {
6842 local->config.txLifetime = vwrq->value / 1024;
6843 set_bit (FLAG_COMMIT, &local->flags);
6844 rc = -EINPROGRESS; /* Call commit handler */
6849 /*------------------------------------------------------------------*/
6851 * Wireless Handler : get Retry limits
6853 static int airo_get_retry(struct net_device *dev,
6854 struct iw_request_info *info,
6855 struct iw_param *vwrq,
6858 struct airo_info *local = dev->priv;
6860 vwrq->disabled = 0; /* Can't be disabled */
6862 readConfigRid(local, 1);
6863 /* Note : by default, display the min retry number */
6864 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6865 vwrq->flags = IW_RETRY_LIFETIME;
6866 vwrq->value = (int)local->config.txLifetime * 1024;
6867 } else if((vwrq->flags & IW_RETRY_LONG)) {
6868 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6869 vwrq->value = (int)local->config.longRetryLimit;
6871 vwrq->flags = IW_RETRY_LIMIT;
6872 vwrq->value = (int)local->config.shortRetryLimit;
6873 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6874 vwrq->flags |= IW_RETRY_SHORT;
6880 /*------------------------------------------------------------------*/
6882 * Wireless Handler : get range info
6884 static int airo_get_range(struct net_device *dev,
6885 struct iw_request_info *info,
6886 struct iw_point *dwrq,
6889 struct airo_info *local = dev->priv;
6890 struct iw_range *range = (struct iw_range *) extra;
6891 CapabilityRid cap_rid; /* Card capability info */
6895 readCapabilityRid(local, &cap_rid, 1);
6897 dwrq->length = sizeof(struct iw_range);
6898 memset(range, 0, sizeof(*range));
6899 range->min_nwid = 0x0000;
6900 range->max_nwid = 0x0000;
6901 range->num_channels = 14;
6902 /* Should be based on cap_rid.country to give only
6903 * what the current card support */
6905 for(i = 0; i < 14; i++) {
6906 range->freq[k].i = i + 1; /* List index */
6907 range->freq[k].m = frequency_list[i] * 100000;
6908 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6910 range->num_frequency = k;
6912 range->sensitivity = 65535;
6914 /* Hum... Should put the right values there */
6916 range->max_qual.qual = 100; /* % */
6918 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6919 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6920 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6922 /* Experimental measurements - boundary 11/5.5 Mb/s */
6923 /* Note : with or without the (local->rssi), results
6924 * are somewhat different. - Jean II */
6926 range->avg_qual.qual = 50; /* % */
6927 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6929 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6930 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6932 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6934 for(i = 0 ; i < 8 ; i++) {
6935 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6936 if(range->bitrate[i] == 0)
6939 range->num_bitrates = i;
6941 /* Set an indication of the max TCP throughput
6942 * in bit/s that we can expect using this interface.
6943 * May be use for QoS stuff... Jean II */
6945 range->throughput = 5000 * 1000;
6947 range->throughput = 1500 * 1000;
6950 range->max_rts = AIRO_DEF_MTU;
6951 range->min_frag = 256;
6952 range->max_frag = AIRO_DEF_MTU;
6954 if(cap_rid.softCap & 2) {
6956 range->encoding_size[0] = 5;
6958 if (cap_rid.softCap & 0x100) {
6959 range->encoding_size[1] = 13;
6960 range->num_encoding_sizes = 2;
6962 range->num_encoding_sizes = 1;
6963 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6965 range->num_encoding_sizes = 0;
6966 range->max_encoding_tokens = 0;
6969 range->max_pmp = 5000000; /* 5 secs */
6971 range->max_pmt = 65535 * 1024; /* ??? */
6972 range->pmp_flags = IW_POWER_PERIOD;
6973 range->pmt_flags = IW_POWER_TIMEOUT;
6974 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6976 /* Transmit Power - values are in mW */
6977 for(i = 0 ; i < 8 ; i++) {
6978 range->txpower[i] = cap_rid.txPowerLevels[i];
6979 if(range->txpower[i] == 0)
6982 range->num_txpower = i;
6983 range->txpower_capa = IW_TXPOW_MWATT;
6984 range->we_version_source = 19;
6985 range->we_version_compiled = WIRELESS_EXT;
6986 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6987 range->retry_flags = IW_RETRY_LIMIT;
6988 range->r_time_flags = IW_RETRY_LIFETIME;
6989 range->min_retry = 1;
6990 range->max_retry = 65535;
6991 range->min_r_time = 1024;
6992 range->max_r_time = 65535 * 1024;
6994 /* Event capability (kernel + driver) */
6995 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6996 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6997 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6998 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6999 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7000 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7004 /*------------------------------------------------------------------*/
7006 * Wireless Handler : set Power Management
7008 static int airo_set_power(struct net_device *dev,
7009 struct iw_request_info *info,
7010 struct iw_param *vwrq,
7013 struct airo_info *local = dev->priv;
7015 readConfigRid(local, 1);
7016 if (vwrq->disabled) {
7017 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7020 local->config.powerSaveMode = POWERSAVE_CAM;
7021 local->config.rmode &= 0xFF00;
7022 local->config.rmode |= RXMODE_BC_MC_ADDR;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 return -EINPROGRESS; /* Call commit handler */
7026 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7027 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7028 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7029 set_bit (FLAG_COMMIT, &local->flags);
7030 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7031 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7032 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7033 set_bit (FLAG_COMMIT, &local->flags);
7035 switch (vwrq->flags & IW_POWER_MODE) {
7036 case IW_POWER_UNICAST_R:
7037 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7040 local->config.rmode &= 0xFF00;
7041 local->config.rmode |= RXMODE_ADDR;
7042 set_bit (FLAG_COMMIT, &local->flags);
7044 case IW_POWER_ALL_R:
7045 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7048 local->config.rmode &= 0xFF00;
7049 local->config.rmode |= RXMODE_BC_MC_ADDR;
7050 set_bit (FLAG_COMMIT, &local->flags);
7052 /* This is broken, fixme ;-) */
7057 // Note : we may want to factor local->need_commit here
7058 // Note2 : may also want to factor RXMODE_RFMON test
7059 return -EINPROGRESS; /* Call commit handler */
7062 /*------------------------------------------------------------------*/
7064 * Wireless Handler : get Power Management
7066 static int airo_get_power(struct net_device *dev,
7067 struct iw_request_info *info,
7068 struct iw_param *vwrq,
7071 struct airo_info *local = dev->priv;
7074 readConfigRid(local, 1);
7075 mode = local->config.powerSaveMode;
7076 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7078 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7079 vwrq->value = (int)local->config.fastListenDelay * 1024;
7080 vwrq->flags = IW_POWER_TIMEOUT;
7082 vwrq->value = (int)local->config.fastListenInterval * 1024;
7083 vwrq->flags = IW_POWER_PERIOD;
7085 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7086 vwrq->flags |= IW_POWER_UNICAST_R;
7088 vwrq->flags |= IW_POWER_ALL_R;
7093 /*------------------------------------------------------------------*/
7095 * Wireless Handler : set Sensitivity
7097 static int airo_set_sens(struct net_device *dev,
7098 struct iw_request_info *info,
7099 struct iw_param *vwrq,
7102 struct airo_info *local = dev->priv;
7104 readConfigRid(local, 1);
7105 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7106 set_bit (FLAG_COMMIT, &local->flags);
7108 return -EINPROGRESS; /* Call commit handler */
7111 /*------------------------------------------------------------------*/
7113 * Wireless Handler : get Sensitivity
7115 static int airo_get_sens(struct net_device *dev,
7116 struct iw_request_info *info,
7117 struct iw_param *vwrq,
7120 struct airo_info *local = dev->priv;
7122 readConfigRid(local, 1);
7123 vwrq->value = local->config.rssiThreshold;
7124 vwrq->disabled = (vwrq->value == 0);
7130 /*------------------------------------------------------------------*/
7132 * Wireless Handler : get AP List
7133 * Note : this is deprecated in favor of IWSCAN
7135 static int airo_get_aplist(struct net_device *dev,
7136 struct iw_request_info *info,
7137 struct iw_point *dwrq,
7140 struct airo_info *local = dev->priv;
7141 struct sockaddr *address = (struct sockaddr *) extra;
7142 struct iw_quality qual[IW_MAX_AP];
7145 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7147 for (i = 0; i < IW_MAX_AP; i++) {
7148 if (readBSSListRid(local, loseSync, &BSSList))
7151 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7152 address[i].sa_family = ARPHRD_ETHER;
7154 qual[i].level = 0x100 - BSSList.dBm;
7155 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7156 qual[i].updated = IW_QUAL_QUAL_UPDATED
7157 | IW_QUAL_LEVEL_UPDATED
7160 qual[i].level = (BSSList.dBm + 321) / 2;
7162 qual[i].updated = IW_QUAL_QUAL_INVALID
7163 | IW_QUAL_LEVEL_UPDATED
7166 qual[i].noise = local->wstats.qual.noise;
7167 if (BSSList.index == 0xffff)
7171 StatusRid status_rid; /* Card status info */
7172 readStatusRid(local, &status_rid, 1);
7174 i < min(IW_MAX_AP, 4) &&
7175 (status_rid.bssid[i][0]
7176 & status_rid.bssid[i][1]
7177 & status_rid.bssid[i][2]
7178 & status_rid.bssid[i][3]
7179 & status_rid.bssid[i][4]
7180 & status_rid.bssid[i][5])!=0xff &&
7181 (status_rid.bssid[i][0]
7182 | status_rid.bssid[i][1]
7183 | status_rid.bssid[i][2]
7184 | status_rid.bssid[i][3]
7185 | status_rid.bssid[i][4]
7186 | status_rid.bssid[i][5]);
7188 memcpy(address[i].sa_data,
7189 status_rid.bssid[i], ETH_ALEN);
7190 address[i].sa_family = ARPHRD_ETHER;
7193 dwrq->flags = 1; /* Should be define'd */
7194 memcpy(extra + sizeof(struct sockaddr)*i,
7195 &qual, sizeof(struct iw_quality)*i);
7202 /*------------------------------------------------------------------*/
7204 * Wireless Handler : Initiate Scan
7206 static int airo_set_scan(struct net_device *dev,
7207 struct iw_request_info *info,
7208 struct iw_param *vwrq,
7211 struct airo_info *ai = dev->priv;
7216 /* Note : you may have realised that, as this is a SET operation,
7217 * this is privileged and therefore a normal user can't
7219 * This is not an error, while the device perform scanning,
7220 * traffic doesn't flow, so it's a perfect DoS...
7222 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7224 if (down_interruptible(&ai->sem))
7225 return -ERESTARTSYS;
7227 /* If there's already a scan in progress, don't
7228 * trigger another one. */
7229 if (ai->scan_timeout > 0)
7232 /* Initiate a scan command */
7233 ai->scan_timeout = RUN_AT(3*HZ);
7234 memset(&cmd, 0, sizeof(cmd));
7235 cmd.cmd=CMD_LISTBSS;
7236 issuecommand(ai, &cmd, &rsp);
7242 wake_up_interruptible(&ai->thr_wait);
7246 /*------------------------------------------------------------------*/
7248 * Translate scan data returned from the card to a card independent
7249 * format that the Wireless Tools will understand - Jean II
7251 static inline char *airo_translate_scan(struct net_device *dev,
7256 struct airo_info *ai = dev->priv;
7257 struct iw_event iwe; /* Temporary buffer */
7259 char * current_val; /* For rates */
7263 /* First entry *MUST* be the AP MAC address */
7264 iwe.cmd = SIOCGIWAP;
7265 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7266 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7267 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7269 /* Other entries will be displayed in the order we give them */
7272 iwe.u.data.length = bss->ssidLen;
7273 if(iwe.u.data.length > 32)
7274 iwe.u.data.length = 32;
7275 iwe.cmd = SIOCGIWESSID;
7276 iwe.u.data.flags = 1;
7277 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7280 iwe.cmd = SIOCGIWMODE;
7281 capabilities = le16_to_cpu(bss->cap);
7282 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7283 if(capabilities & CAP_ESS)
7284 iwe.u.mode = IW_MODE_MASTER;
7286 iwe.u.mode = IW_MODE_ADHOC;
7287 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7291 iwe.cmd = SIOCGIWFREQ;
7292 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7293 /* iwe.u.freq.m containt the channel (starting 1), our
7294 * frequency_list array start at index 0...
7296 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7298 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7300 /* Add quality statistics */
7303 iwe.u.qual.level = 0x100 - bss->dBm;
7304 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7305 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7306 | IW_QUAL_LEVEL_UPDATED
7309 iwe.u.qual.level = (bss->dBm + 321) / 2;
7310 iwe.u.qual.qual = 0;
7311 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7312 | IW_QUAL_LEVEL_UPDATED
7315 iwe.u.qual.noise = ai->wstats.qual.noise;
7316 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7318 /* Add encryption capability */
7319 iwe.cmd = SIOCGIWENCODE;
7320 if(capabilities & CAP_PRIVACY)
7321 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7323 iwe.u.data.flags = IW_ENCODE_DISABLED;
7324 iwe.u.data.length = 0;
7325 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7327 /* Rate : stuffing multiple values in a single event require a bit
7328 * more of magic - Jean II */
7329 current_val = current_ev + IW_EV_LCP_LEN;
7331 iwe.cmd = SIOCGIWRATE;
7332 /* Those two flags are ignored... */
7333 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7335 for(i = 0 ; i < 8 ; i++) {
7336 /* NULL terminated */
7337 if(bss->rates[i] == 0)
7339 /* Bit rate given in 500 kb/s units (+ 0x80) */
7340 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7341 /* Add new value to event */
7342 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7344 /* Check if we added any event */
7345 if((current_val - current_ev) > IW_EV_LCP_LEN)
7346 current_ev = current_val;
7348 /* Beacon interval */
7349 buf = kmalloc(30, GFP_KERNEL);
7351 iwe.cmd = IWEVCUSTOM;
7352 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7353 iwe.u.data.length = strlen(buf);
7354 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7358 /* Put WPA/RSN Information Elements into the event stream */
7359 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7360 unsigned int num_null_ies = 0;
7361 u16 length = sizeof (bss->extra.iep);
7362 struct ieee80211_info_element *info_element =
7363 (struct ieee80211_info_element *) &bss->extra.iep;
7365 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7366 if (sizeof(*info_element) + info_element->len > length) {
7367 /* Invalid element, don't continue parsing IE */
7371 switch (info_element->id) {
7372 case MFIE_TYPE_SSID:
7373 /* Two zero-length SSID elements
7374 * mean we're done parsing elements */
7375 if (!info_element->len)
7379 case MFIE_TYPE_GENERIC:
7380 if (info_element->len >= 4 &&
7381 info_element->data[0] == 0x00 &&
7382 info_element->data[1] == 0x50 &&
7383 info_element->data[2] == 0xf2 &&
7384 info_element->data[3] == 0x01) {
7385 iwe.cmd = IWEVGENIE;
7386 iwe.u.data.length = min(info_element->len + 2,
7388 current_ev = iwe_stream_add_point(current_ev, end_buf,
7389 &iwe, (char *) info_element);
7394 iwe.cmd = IWEVGENIE;
7395 iwe.u.data.length = min(info_element->len + 2,
7397 current_ev = iwe_stream_add_point(current_ev, end_buf,
7398 &iwe, (char *) info_element);
7405 length -= sizeof(*info_element) + info_element->len;
7407 (struct ieee80211_info_element *)&info_element->
7408 data[info_element->len];
7414 /*------------------------------------------------------------------*/
7416 * Wireless Handler : Read Scan Results
7418 static int airo_get_scan(struct net_device *dev,
7419 struct iw_request_info *info,
7420 struct iw_point *dwrq,
7423 struct airo_info *ai = dev->priv;
7424 BSSListElement *net;
7426 char *current_ev = extra;
7428 /* If a scan is in-progress, return -EAGAIN */
7429 if (ai->scan_timeout > 0)
7432 if (down_interruptible(&ai->sem))
7435 list_for_each_entry (net, &ai->network_list, list) {
7436 /* Translate to WE format this entry */
7437 current_ev = airo_translate_scan(dev, current_ev,
7438 extra + dwrq->length,
7441 /* Check if there is space for one more entry */
7442 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7443 /* Ask user space to try again with a bigger buffer */
7449 /* Length of data */
7450 dwrq->length = (current_ev - extra);
7451 dwrq->flags = 0; /* todo */
7458 /*------------------------------------------------------------------*/
7460 * Commit handler : called after a bunch of SET operations
7462 static int airo_config_commit(struct net_device *dev,
7463 struct iw_request_info *info, /* NULL */
7464 void *zwrq, /* NULL */
7465 char *extra) /* NULL */
7467 struct airo_info *local = dev->priv;
7470 if (!test_bit (FLAG_COMMIT, &local->flags))
7473 /* Some of the "SET" function may have modified some of the
7474 * parameters. It's now time to commit them in the card */
7475 disable_MAC(local, 1);
7476 if (test_bit (FLAG_RESET, &local->flags)) {
7477 APListRid APList_rid;
7480 readAPListRid(local, &APList_rid);
7481 readSsidRid(local, &SSID_rid);
7482 if (test_bit(FLAG_MPI,&local->flags))
7483 setup_card(local, dev->dev_addr, 1 );
7485 reset_airo_card(dev);
7486 disable_MAC(local, 1);
7487 writeSsidRid(local, &SSID_rid, 1);
7488 writeAPListRid(local, &APList_rid, 1);
7490 if (down_interruptible(&local->sem))
7491 return -ERESTARTSYS;
7492 writeConfigRid(local, 0);
7493 enable_MAC(local, &rsp, 0);
7494 if (test_bit (FLAG_RESET, &local->flags))
7495 airo_set_promisc(local);
7502 /*------------------------------------------------------------------*/
7504 * Structures to export the Wireless Handlers
7507 static const struct iw_priv_args airo_private_args[] = {
7508 /*{ cmd, set_args, get_args, name } */
7509 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7510 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7511 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7512 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7515 static const iw_handler airo_handler[] =
7517 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7518 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7519 (iw_handler) NULL, /* SIOCSIWNWID */
7520 (iw_handler) NULL, /* SIOCGIWNWID */
7521 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7522 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7523 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7524 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7525 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7526 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7527 (iw_handler) NULL, /* SIOCSIWRANGE */
7528 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7529 (iw_handler) NULL, /* SIOCSIWPRIV */
7530 (iw_handler) NULL, /* SIOCGIWPRIV */
7531 (iw_handler) NULL, /* SIOCSIWSTATS */
7532 (iw_handler) NULL, /* SIOCGIWSTATS */
7533 iw_handler_set_spy, /* SIOCSIWSPY */
7534 iw_handler_get_spy, /* SIOCGIWSPY */
7535 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7536 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7537 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7538 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7539 (iw_handler) NULL, /* -- hole -- */
7540 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7541 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7542 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7543 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7544 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7545 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7546 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7547 (iw_handler) NULL, /* -- hole -- */
7548 (iw_handler) NULL, /* -- hole -- */
7549 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7550 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7551 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7552 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7553 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7554 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7555 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7556 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7557 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7558 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7559 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7560 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7561 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7562 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7563 (iw_handler) NULL, /* -- hole -- */
7564 (iw_handler) NULL, /* -- hole -- */
7565 (iw_handler) NULL, /* SIOCSIWGENIE */
7566 (iw_handler) NULL, /* SIOCGIWGENIE */
7567 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7568 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7569 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7570 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7571 (iw_handler) NULL, /* SIOCSIWPMKSA */
7574 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7575 * We want to force the use of the ioctl code, because those can't be
7576 * won't work the iw_handler code (because they simultaneously read
7577 * and write data and iw_handler can't do that).
7578 * Note that it's perfectly legal to read/write on a single ioctl command,
7579 * you just can't use iwpriv and need to force it via the ioctl handler.
7581 static const iw_handler airo_private_handler[] =
7583 NULL, /* SIOCIWFIRSTPRIV */
7586 static const struct iw_handler_def airo_handler_def =
7588 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7589 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7590 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7591 .standard = airo_handler,
7592 .private = airo_private_handler,
7593 .private_args = airo_private_args,
7594 .get_wireless_stats = airo_get_wireless_stats,
7598 * This defines the configuration part of the Wireless Extensions
7599 * Note : irq and spinlock protection will occur in the subroutines
7602 * o Check input value more carefully and fill correct values in range
7603 * o Test and shakeout the bugs (if any)
7607 * Javier Achirica did a great job of merging code from the unnamed CISCO
7608 * developer that added support for flashing the card.
7610 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7613 struct airo_info *ai = (struct airo_info *)dev->priv;
7615 if (ai->power.event)
7625 int val = AIROMAGIC;
7627 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7629 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7638 /* Get the command struct and hand it off for evaluation by
7639 * the proper subfunction
7643 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7648 /* Separate R/W functions bracket legality here
7650 if ( com.command == AIRORSWVERSION ) {
7651 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7656 else if ( com.command <= AIRORRID)
7657 rc = readrids(dev,&com);
7658 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7659 rc = writerids(dev,&com);
7660 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7661 rc = flashcard(dev,&com);
7663 rc = -EINVAL; /* Bad command in ioctl */
7666 #endif /* CISCO_EXT */
7668 // All other calls are currently unsupported
7676 * Get the Wireless stats out of the driver
7677 * Note : irq and spinlock protection will occur in the subroutines
7680 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7684 static void airo_read_wireless_stats(struct airo_info *local)
7686 StatusRid status_rid;
7688 CapabilityRid cap_rid;
7689 u32 *vals = stats_rid.vals;
7691 /* Get stats out of the card */
7692 clear_bit(JOB_WSTATS, &local->jobs);
7693 if (local->power.event) {
7697 readCapabilityRid(local, &cap_rid, 0);
7698 readStatusRid(local, &status_rid, 0);
7699 readStatsRid(local, &stats_rid, RID_STATS, 0);
7703 local->wstats.status = status_rid.mode;
7705 /* Signal quality and co */
7707 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7708 /* normalizedSignalStrength appears to be a percentage */
7709 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7711 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7712 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7714 if (status_rid.len >= 124) {
7715 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7716 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7718 local->wstats.qual.noise = 0;
7719 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7722 /* Packets discarded in the wireless adapter due to wireless
7723 * specific problems */
7724 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7725 local->wstats.discard.code = vals[6];/* RxWepErr */
7726 local->wstats.discard.fragment = vals[30];
7727 local->wstats.discard.retries = vals[10];
7728 local->wstats.discard.misc = vals[1] + vals[32];
7729 local->wstats.miss.beacon = vals[34];
7732 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7734 struct airo_info *local = dev->priv;
7736 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7737 /* Get stats out of the card if available */
7738 if (down_trylock(&local->sem) != 0) {
7739 set_bit(JOB_WSTATS, &local->jobs);
7740 wake_up_interruptible(&local->thr_wait);
7742 airo_read_wireless_stats(local);
7745 return &local->wstats;
7750 * This just translates from driver IOCTL codes to the command codes to
7751 * feed to the radio's host interface. Things can be added/deleted
7752 * as needed. This represents the READ side of control I/O to
7755 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7756 unsigned short ridcode;
7757 unsigned char *iobuf;
7759 struct airo_info *ai = dev->priv;
7762 if (test_bit(FLAG_FLASHING, &ai->flags))
7765 switch(comp->command)
7767 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7768 case AIROGCFG: ridcode = RID_CONFIG;
7769 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7770 disable_MAC (ai, 1);
7771 writeConfigRid (ai, 1);
7772 enable_MAC (ai, &rsp, 1);
7775 case AIROGSLIST: ridcode = RID_SSID; break;
7776 case AIROGVLIST: ridcode = RID_APLIST; break;
7777 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7778 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7779 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7780 /* Only super-user can read WEP keys */
7781 if (!capable(CAP_NET_ADMIN))
7784 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7785 /* Only super-user can read WEP keys */
7786 if (!capable(CAP_NET_ADMIN))
7789 case AIROGSTAT: ridcode = RID_STATUS; break;
7790 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7791 case AIROGSTATSC32: ridcode = RID_STATS; break;
7793 if (copy_to_user(comp->data, &ai->micstats,
7794 min((int)comp->len,(int)sizeof(ai->micstats))))
7797 case AIRORRID: ridcode = comp->ridnum; break;
7803 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7806 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7807 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7808 * then return it to the user
7809 * 9/22/2000 Honor user given length
7813 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7822 * Danger Will Robinson write the rids here
7825 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7826 struct airo_info *ai = dev->priv;
7830 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7831 unsigned char *iobuf;
7833 /* Only super-user can write RIDs */
7834 if (!capable(CAP_NET_ADMIN))
7837 if (test_bit(FLAG_FLASHING, &ai->flags))
7841 writer = do_writerid;
7843 switch(comp->command)
7845 case AIROPSIDS: ridcode = RID_SSID; break;
7846 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7847 case AIROPAPLIST: ridcode = RID_APLIST; break;
7848 case AIROPCFG: ai->config.len = 0;
7849 clear_bit(FLAG_COMMIT, &ai->flags);
7850 ridcode = RID_CONFIG; break;
7851 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7852 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7853 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7854 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7856 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7857 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7859 /* this is not really a rid but a command given to the card
7863 if (enable_MAC(ai, &rsp, 1) != 0)
7868 * Evidently this code in the airo driver does not get a symbol
7869 * as disable_MAC. it's probably so short the compiler does not gen one.
7875 /* This command merely clears the counts does not actually store any data
7876 * only reads rid. But as it changes the cards state, I put it in the
7877 * writerid routines.
7880 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7883 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7885 enabled = ai->micstats.enabled;
7886 memset(&ai->micstats,0,sizeof(ai->micstats));
7887 ai->micstats.enabled = enabled;
7889 if (copy_to_user(comp->data, iobuf,
7890 min((int)comp->len, (int)RIDSIZE))) {
7898 return -EOPNOTSUPP; /* Blarg! */
7900 if(comp->len > RIDSIZE)
7903 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7906 if (copy_from_user(iobuf,comp->data,comp->len)) {
7911 if (comp->command == AIROPCFG) {
7912 ConfigRid *cfg = (ConfigRid *)iobuf;
7914 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7915 cfg->opmode |= MODE_MIC;
7917 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7918 set_bit (FLAG_ADHOC, &ai->flags);
7920 clear_bit (FLAG_ADHOC, &ai->flags);
7923 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7931 /*****************************************************************************
7932 * Ancillary flash / mod functions much black magic lurkes here *
7933 *****************************************************************************
7937 * Flash command switch table
7940 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7943 /* Only super-user can modify flash */
7944 if (!capable(CAP_NET_ADMIN))
7947 switch(comp->command)
7950 return cmdreset((struct airo_info *)dev->priv);
7953 if (!((struct airo_info *)dev->priv)->flash &&
7954 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7956 return setflashmode((struct airo_info *)dev->priv);
7958 case AIROFLSHGCHR: /* Get char from aux */
7959 if(comp->len != sizeof(int))
7961 if (copy_from_user(&z,comp->data,comp->len))
7963 return flashgchar((struct airo_info *)dev->priv,z,8000);
7965 case AIROFLSHPCHR: /* Send char to card. */
7966 if(comp->len != sizeof(int))
7968 if (copy_from_user(&z,comp->data,comp->len))
7970 return flashpchar((struct airo_info *)dev->priv,z,8000);
7972 case AIROFLPUTBUF: /* Send 32k to card */
7973 if (!((struct airo_info *)dev->priv)->flash)
7975 if(comp->len > FLASHSIZE)
7977 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7980 flashputbuf((struct airo_info *)dev->priv);
7984 if(flashrestart((struct airo_info *)dev->priv,dev))
7991 #define FLASH_COMMAND 0x7e7e
7995 * Disable MAC and do soft reset on
7999 static int cmdreset(struct airo_info *ai) {
8003 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8007 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8009 ssleep(1); /* WAS 600 12/7/00 */
8012 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8019 * Put the card in legendary flash
8023 static int setflashmode (struct airo_info *ai) {
8024 set_bit (FLAG_FLASHING, &ai->flags);
8026 OUT4500(ai, SWS0, FLASH_COMMAND);
8027 OUT4500(ai, SWS1, FLASH_COMMAND);
8029 OUT4500(ai, SWS0, FLASH_COMMAND);
8030 OUT4500(ai, COMMAND,0x10);
8032 OUT4500(ai, SWS2, FLASH_COMMAND);
8033 OUT4500(ai, SWS3, FLASH_COMMAND);
8034 OUT4500(ai, COMMAND,0);
8036 msleep(500); /* 500ms delay */
8039 clear_bit (FLAG_FLASHING, &ai->flags);
8040 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8046 /* Put character to SWS0 wait for dwelltime
8050 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8061 /* Wait for busy bit d15 to go false indicating buffer empty */
8062 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8067 /* timeout for busy clear wait */
8069 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8073 /* Port is clear now write byte and wait for it to echo back */
8075 OUT4500(ai,SWS0,byte);
8078 echo = IN4500(ai,SWS1);
8079 } while (dwelltime >= 0 && echo != byte);
8083 return (echo == byte) ? 0 : -EIO;
8087 * Get a character from the card matching matchbyte
8090 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8092 unsigned char rbyte=0;
8095 rchar = IN4500(ai,SWS1);
8097 if(dwelltime && !(0x8000 & rchar)){
8102 rbyte = 0xff & rchar;
8104 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8108 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8112 }while(dwelltime > 0);
8117 * Transfer 32k of firmware data from user buffer to our buffer and
8121 static int flashputbuf(struct airo_info *ai){
8125 if (test_bit(FLAG_MPI,&ai->flags))
8126 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8128 OUT4500(ai,AUXPAGE,0x100);
8129 OUT4500(ai,AUXOFF,0);
8131 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8132 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8135 OUT4500(ai,SWS0,0x8000);
8143 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8146 ssleep(1); /* Added 12/7/00 */
8147 clear_bit (FLAG_FLASHING, &ai->flags);
8148 if (test_bit(FLAG_MPI, &ai->flags)) {
8149 status = mpi_init_descriptors(ai);
8150 if (status != SUCCESS)
8153 status = setup_card(ai, dev->dev_addr, 1);
8155 if (!test_bit(FLAG_MPI,&ai->flags))
8156 for( i = 0; i < MAX_FIDS; i++ ) {
8157 ai->fids[i] = transmit_allocate
8158 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8161 ssleep(1); /* Added 12/7/00 */
8164 #endif /* CISCO_EXT */
8167 This program is free software; you can redistribute it and/or
8168 modify it under the terms of the GNU General Public License
8169 as published by the Free Software Foundation; either version 2
8170 of the License, or (at your option) any later version.
8172 This program is distributed in the hope that it will be useful,
8173 but WITHOUT ANY WARRANTY; without even the implied warranty of
8174 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8175 GNU General Public License for more details.
8179 Redistribution and use in source and binary forms, with or without
8180 modification, are permitted provided that the following conditions
8183 1. Redistributions of source code must retain the above copyright
8184 notice, this list of conditions and the following disclaimer.
8185 2. Redistributions in binary form must reproduce the above copyright
8186 notice, this list of conditions and the following disclaimer in the
8187 documentation and/or other materials provided with the distribution.
8188 3. The name of the author may not be used to endorse or promote
8189 products derived from this software without specific prior written
8192 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8193 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8194 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8195 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8196 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8197 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8198 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8199 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8200 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8201 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8202 POSSIBILITY OF SUCH DAMAGE.
8205 module_init(airo_init_module);
8206 module_exit(airo_cleanup_module);