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>
41 #include <asm/unaligned.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
56 #define DRV_NAME "airo"
59 static struct pci_device_id card_ids[] = {
60 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
62 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
66 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
69 MODULE_DEVICE_TABLE(pci, card_ids);
71 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
72 static void airo_pci_remove(struct pci_dev *);
73 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
74 static int airo_pci_resume(struct pci_dev *pdev);
76 static struct pci_driver airo_driver = {
79 .probe = airo_pci_probe,
80 .remove = __devexit_p(airo_pci_remove),
81 .suspend = airo_pci_suspend,
82 .resume = airo_pci_resume,
84 #endif /* CONFIG_PCI */
86 /* Include Wireless Extension definition and check version - Jean II */
87 #include <linux/wireless.h>
88 #define WIRELESS_SPY // enable iwspy support
89 #include <net/iw_handler.h> // New driver API
91 #define CISCO_EXT // enable Cisco extensions
93 #include <linux/delay.h>
96 /* Hack to do some power saving */
99 /* As you can see this list is HUGH!
100 I really don't know what a lot of these counts are about, but they
101 are all here for completeness. If the IGNLABEL macro is put in
102 infront of the label, that statistic will not be included in the list
103 of statistics in the /proc filesystem */
105 #define IGNLABEL(comment) NULL
106 static char *statsLabels[] = {
108 IGNLABEL("RxPlcpCrcErr"),
109 IGNLABEL("RxPlcpFormatErr"),
110 IGNLABEL("RxPlcpLengthErr"),
141 "LostSync-MissedBeacons",
142 "LostSync-ArlExceeded",
144 "LostSync-Disassoced",
145 "LostSync-TsfTiming",
154 IGNLABEL("HmacTxMc"),
155 IGNLABEL("HmacTxBc"),
156 IGNLABEL("HmacTxUc"),
157 IGNLABEL("HmacTxFail"),
158 IGNLABEL("HmacRxMc"),
159 IGNLABEL("HmacRxBc"),
160 IGNLABEL("HmacRxUc"),
161 IGNLABEL("HmacRxDiscard"),
162 IGNLABEL("HmacRxAccepted"),
170 IGNLABEL("ReasonOutsideTable"),
171 IGNLABEL("ReasonStatus1"),
172 IGNLABEL("ReasonStatus2"),
173 IGNLABEL("ReasonStatus3"),
174 IGNLABEL("ReasonStatus4"),
175 IGNLABEL("ReasonStatus5"),
176 IGNLABEL("ReasonStatus6"),
177 IGNLABEL("ReasonStatus7"),
178 IGNLABEL("ReasonStatus8"),
179 IGNLABEL("ReasonStatus9"),
180 IGNLABEL("ReasonStatus10"),
181 IGNLABEL("ReasonStatus11"),
182 IGNLABEL("ReasonStatus12"),
183 IGNLABEL("ReasonStatus13"),
184 IGNLABEL("ReasonStatus14"),
185 IGNLABEL("ReasonStatus15"),
186 IGNLABEL("ReasonStatus16"),
187 IGNLABEL("ReasonStatus17"),
188 IGNLABEL("ReasonStatus18"),
189 IGNLABEL("ReasonStatus19"),
209 #define RUN_AT(x) (jiffies+(x))
213 /* These variables are for insmod, since it seems that the rates
214 can only be set in setup_card. Rates should be a comma separated
215 (no spaces) list of rates (up to 8). */
218 static int basic_rate;
219 static char *ssids[3];
225 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
226 0 means no limit. For old cards this was 4 */
228 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
229 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
230 the bap, needed on some older cards and buses. */
233 static int probe = 1;
235 static int proc_uid /* = 0 */;
237 static int proc_gid /* = 0 */;
239 static int airo_perm = 0555;
241 static int proc_perm = 0644;
243 MODULE_AUTHOR("Benjamin Reed");
244 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
245 cards. Direct support for ISA/PCI/MPI cards and support \
246 for PCMCIA when used with airo_cs.");
247 MODULE_LICENSE("Dual BSD/GPL");
248 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
249 module_param_array(io, int, NULL, 0);
250 module_param_array(irq, int, NULL, 0);
251 module_param(basic_rate, int, 0);
252 module_param_array(rates, int, NULL, 0);
253 module_param_array(ssids, charp, NULL, 0);
254 module_param(auto_wep, int, 0);
255 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
256 the authentication options until an association is made. The value of \
257 auto_wep is number of the wep keys to check. A value of 2 will try using \
258 the key at index 0 and index 1.");
259 module_param(aux_bap, int, 0);
260 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
261 than seems to work better for older cards with some older buses. Before \
262 switching it checks that the switch is needed.");
263 module_param(maxencrypt, int, 0);
264 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
265 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
266 Older cards used to be limited to 2mbs (4).");
267 module_param(adhoc, int, 0);
268 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
269 module_param(probe, int, 0);
270 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
272 module_param(proc_uid, int, 0);
273 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
274 module_param(proc_gid, int, 0);
275 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
276 module_param(airo_perm, int, 0);
277 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
278 module_param(proc_perm, int, 0);
279 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
281 /* This is a kind of sloppy hack to get this information to OUT4500 and
282 IN4500. I would be extremely interested in the situation where this
283 doesn't work though!!! */
284 static int do8bitIO = 0;
293 #define MAC_ENABLE 0x0001
294 #define MAC_DISABLE 0x0002
295 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
296 #define CMD_SOFTRESET 0x0004
297 #define HOSTSLEEP 0x0005
298 #define CMD_MAGIC_PKT 0x0006
299 #define CMD_SETWAKEMASK 0x0007
300 #define CMD_READCFG 0x0008
301 #define CMD_SETMODE 0x0009
302 #define CMD_ALLOCATETX 0x000a
303 #define CMD_TRANSMIT 0x000b
304 #define CMD_DEALLOCATETX 0x000c
306 #define CMD_WORKAROUND 0x0011
307 #define CMD_ALLOCATEAUX 0x0020
308 #define CMD_ACCESS 0x0021
309 #define CMD_PCIBAP 0x0022
310 #define CMD_PCIAUX 0x0023
311 #define CMD_ALLOCBUF 0x0028
312 #define CMD_GETTLV 0x0029
313 #define CMD_PUTTLV 0x002a
314 #define CMD_DELTLV 0x002b
315 #define CMD_FINDNEXTTLV 0x002c
316 #define CMD_PSPNODES 0x0030
317 #define CMD_SETCW 0x0031
318 #define CMD_SETPCF 0x0032
319 #define CMD_SETPHYREG 0x003e
320 #define CMD_TXTEST 0x003f
321 #define MAC_ENABLETX 0x0101
322 #define CMD_LISTBSS 0x0103
323 #define CMD_SAVECFG 0x0108
324 #define CMD_ENABLEAUX 0x0111
325 #define CMD_WRITERID 0x0121
326 #define CMD_USEPSPNODES 0x0130
327 #define MAC_ENABLERX 0x0201
330 #define ERROR_QUALIF 0x00
331 #define ERROR_ILLCMD 0x01
332 #define ERROR_ILLFMT 0x02
333 #define ERROR_INVFID 0x03
334 #define ERROR_INVRID 0x04
335 #define ERROR_LARGE 0x05
336 #define ERROR_NDISABL 0x06
337 #define ERROR_ALLOCBSY 0x07
338 #define ERROR_NORD 0x0B
339 #define ERROR_NOWR 0x0C
340 #define ERROR_INVFIDTX 0x0D
341 #define ERROR_TESTACT 0x0E
342 #define ERROR_TAGNFND 0x12
343 #define ERROR_DECODE 0x20
344 #define ERROR_DESCUNAV 0x21
345 #define ERROR_BADLEN 0x22
346 #define ERROR_MODE 0x80
347 #define ERROR_HOP 0x81
348 #define ERROR_BINTER 0x82
349 #define ERROR_RXMODE 0x83
350 #define ERROR_MACADDR 0x84
351 #define ERROR_RATES 0x85
352 #define ERROR_ORDER 0x86
353 #define ERROR_SCAN 0x87
354 #define ERROR_AUTH 0x88
355 #define ERROR_PSMODE 0x89
356 #define ERROR_RTYPE 0x8A
357 #define ERROR_DIVER 0x8B
358 #define ERROR_SSID 0x8C
359 #define ERROR_APLIST 0x8D
360 #define ERROR_AUTOWAKE 0x8E
361 #define ERROR_LEAP 0x8F
372 #define LINKSTAT 0x10
376 #define TXALLOCFID 0x22
377 #define TXCOMPLFID 0x24
392 /* Offset into aux memory for descriptors */
393 #define AUX_OFFSET 0x800
394 /* Size of allocated packets */
397 /* Size of the transmit queue */
401 #define BAP0 0 // Used for receiving packets
402 #define BAP1 2 // Used for xmiting packets and working with RIDS
405 #define COMMAND_BUSY 0x8000
407 #define BAP_BUSY 0x8000
408 #define BAP_ERR 0x4000
409 #define BAP_DONE 0x2000
411 #define PROMISC 0xffff
412 #define NOPROMISC 0x0000
415 #define EV_CLEARCOMMANDBUSY 0x4000
418 #define EV_TXEXC 0x04
419 #define EV_ALLOC 0x08
421 #define EV_AWAKE 0x100
422 #define EV_TXCPY 0x400
423 #define EV_UNKNOWN 0x800
424 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
425 #define EV_AWAKEN 0x2000
426 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
428 #ifdef CHECK_UNKNOWN_INTS
429 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
431 #define IGNORE_INTS (~STATUS_INTS)
438 #define RID_CAPABILITIES 0xFF00
439 #define RID_APINFO 0xFF01
440 #define RID_RADIOINFO 0xFF02
441 #define RID_UNKNOWN3 0xFF03
442 #define RID_RSSI 0xFF04
443 #define RID_CONFIG 0xFF10
444 #define RID_SSID 0xFF11
445 #define RID_APLIST 0xFF12
446 #define RID_DRVNAME 0xFF13
447 #define RID_ETHERENCAP 0xFF14
448 #define RID_WEP_TEMP 0xFF15
449 #define RID_WEP_PERM 0xFF16
450 #define RID_MODULATION 0xFF17
451 #define RID_OPTIONS 0xFF18
452 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
453 #define RID_FACTORYCONFIG 0xFF21
454 #define RID_UNKNOWN22 0xFF22
455 #define RID_LEAPUSERNAME 0xFF23
456 #define RID_LEAPPASSWORD 0xFF24
457 #define RID_STATUS 0xFF50
458 #define RID_BEACON_HST 0xFF51
459 #define RID_BUSY_HST 0xFF52
460 #define RID_RETRIES_HST 0xFF53
461 #define RID_UNKNOWN54 0xFF54
462 #define RID_UNKNOWN55 0xFF55
463 #define RID_UNKNOWN56 0xFF56
464 #define RID_MIC 0xFF57
465 #define RID_STATS16 0xFF60
466 #define RID_STATS16DELTA 0xFF61
467 #define RID_STATS16DELTACLEAR 0xFF62
468 #define RID_STATS 0xFF68
469 #define RID_STATSDELTA 0xFF69
470 #define RID_STATSDELTACLEAR 0xFF6A
471 #define RID_ECHOTEST_RID 0xFF70
472 #define RID_ECHOTEST_RESULTS 0xFF71
473 #define RID_BSSLISTFIRST 0xFF72
474 #define RID_BSSLISTNEXT 0xFF73
475 #define RID_WPA_BSSLISTFIRST 0xFF74
476 #define RID_WPA_BSSLISTNEXT 0xFF75
493 * Rids and endian-ness: The Rids will always be in cpu endian, since
494 * this all the patches from the big-endian guys end up doing that.
495 * so all rid access should use the read/writeXXXRid routines.
498 /* This is redundant for x86 archs, but it seems necessary for ARM */
501 /* This structure came from an email sent to me from an engineer at
502 aironet for inclusion into this driver */
511 /* These structures are from the Aironet's PC4500 Developers Manual */
525 #define MOD_DEFAULT 0
531 u16 len; /* sizeof(ConfigRid) */
532 u16 opmode; /* operating mode */
533 #define MODE_STA_IBSS 0
534 #define MODE_STA_ESS 1
536 #define MODE_AP_RPTR 3
537 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
538 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
539 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
540 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
541 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
542 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
543 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
544 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
545 #define MODE_MIC (1<<15) /* enable MIC */
546 u16 rmode; /* receive mode */
547 #define RXMODE_BC_MC_ADDR 0
548 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
549 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
550 #define RXMODE_RFMON 3 /* wireless monitor mode */
551 #define RXMODE_RFMON_ANYBSS 4
552 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
553 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
554 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
557 u8 macAddr[ETH_ALEN];
561 u16 txLifetime; /* in kusec */
562 u16 rxLifetime; /* in kusec */
565 u16 u16deviceType; /* for overriding device type */
569 /*---------- Scanning/Associating ----------*/
571 #define SCANMODE_ACTIVE 0
572 #define SCANMODE_PASSIVE 1
573 #define SCANMODE_AIROSCAN 2
574 u16 probeDelay; /* in kusec */
575 u16 probeEnergyTimeout; /* in kusec */
576 u16 probeResponseTimeout;
577 u16 beaconListenTimeout;
581 #define AUTH_OPEN 0x1
582 #define AUTH_ENCRYPT 0x101
583 #define AUTH_SHAREDKEY 0x102
584 #define AUTH_ALLOW_UNENCRYPTED 0x200
585 u16 associationTimeout;
586 u16 specifiedApTimeout;
587 u16 offlineScanInterval;
588 u16 offlineScanDuration;
590 u16 maxBeaconLostTime;
592 #define DISABLE_REFRESH 0xFFFF
594 /*---------- Power save operation ----------*/
596 #define POWERSAVE_CAM 0
597 #define POWERSAVE_PSP 1
598 #define POWERSAVE_PSPCAM 2
601 u16 fastListenInterval;
605 /*---------- Ap/Ibss config items ----------*/
614 /*---------- Radio configuration ----------*/
616 #define RADIOTYPE_DEFAULT 0
617 #define RADIOTYPE_802_11 1
618 #define RADIOTYPE_LEGACY 2
622 #define TXPOWER_DEFAULT 0
624 #define RSSI_DEFAULT 0
626 #define PREAMBLE_AUTO 0
627 #define PREAMBLE_LONG 1
628 #define PREAMBLE_SHORT 2
632 /*---------- Aironet Extensions ----------*/
638 /*---------- Aironet Extensions ----------*/
640 #define MAGIC_ACTION_STSCHG 1
641 #define MAGIC_ACTION_RESUME 2
642 #define MAGIC_IGNORE_MCAST (1<<8)
643 #define MAGIC_IGNORE_BCAST (1<<9)
644 #define MAGIC_SWITCH_TO_PSP (0<<10)
645 #define MAGIC_STAY_IN_CAM (1<<10)
659 u8 bssid[4][ETH_ALEN];
673 u16 normalizedSignalStrength;
676 u8 noisePercent; /* Noise percent in last second */
677 u8 noisedBm; /* Noise dBm in last second */
678 u8 noiseAvePercent; /* Noise percent in last minute */
679 u8 noiseAvedBm; /* Noise dBm in last minute */
680 u8 noiseMaxPercent; /* Highest noise percent in last minute */
681 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
685 #define STAT_NOPACKETS 0
686 #define STAT_NOCARRIERSET 10
687 #define STAT_GOTCARRIERSET 11
688 #define STAT_WRONGSSID 20
689 #define STAT_BADCHANNEL 25
690 #define STAT_BADBITRATES 30
691 #define STAT_BADPRIVACY 35
692 #define STAT_APFOUND 40
693 #define STAT_APREJECTED 50
694 #define STAT_AUTHENTICATING 60
695 #define STAT_DEAUTHENTICATED 61
696 #define STAT_AUTHTIMEOUT 62
697 #define STAT_ASSOCIATING 70
698 #define STAT_DEASSOCIATED 71
699 #define STAT_ASSOCTIMEOUT 72
700 #define STAT_NOTAIROAP 73
701 #define STAT_ASSOCIATED 80
702 #define STAT_LEAPING 90
703 #define STAT_LEAPFAILED 91
704 #define STAT_LEAPTIMEDOUT 92
705 #define STAT_LEAPCOMPLETE 93
728 char factoryAddr[ETH_ALEN];
729 char aironetAddr[ETH_ALEN];
732 char callid[ETH_ALEN];
733 char supportedRates[8];
736 __le16 txPowerLevels[8];
750 /* Only present on firmware >= 5.30.17 */
753 u8 fixed[12]; /* WLAN management frame */
759 __le16 index; /* First is 0 and 0xffff means end of list */
760 #define RADIO_FH 1 /* Frequency hopping radio type */
761 #define RADIO_DS 2 /* Direct sequence radio type */
762 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
764 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
769 #define CAP_ESS cpu_to_le16(1<<0)
770 #define CAP_IBSS cpu_to_le16(1<<1)
771 #define CAP_PRIVACY cpu_to_le16(1<<4)
772 #define CAP_SHORTHDR cpu_to_le16(1<<5)
774 __le16 beaconInterval;
775 u8 rates[8]; /* Same as rates for config rid */
776 struct { /* For frequency hopping only */
786 /* Only present on firmware >= 5.30.17 */
787 BSSListRidExtra extra;
792 struct list_head list;
838 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
839 #define TXCTL_TXEX (1<<2) /* report if tx fails */
840 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
841 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
842 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
843 #define TXCTL_LLC (1<<4) /* payload is llc */
844 #define TXCTL_RELEASE (0<<5) /* release after completion */
845 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
847 #define BUSY_FID 0x10000
850 #define AIROMAGIC 0xa55a
851 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
852 #ifdef SIOCIWFIRSTPRIV
853 #ifdef SIOCDEVPRIVATE
854 #define AIROOLDIOCTL SIOCDEVPRIVATE
855 #define AIROOLDIDIFC AIROOLDIOCTL + 1
856 #endif /* SIOCDEVPRIVATE */
857 #else /* SIOCIWFIRSTPRIV */
858 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
859 #endif /* SIOCIWFIRSTPRIV */
860 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
861 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
862 * only and don't return the modified struct ifreq to the application which
863 * is usually a problem. - Jean II */
864 #define AIROIOCTL SIOCIWFIRSTPRIV
865 #define AIROIDIFC AIROIOCTL + 1
867 /* Ioctl constants to be used in airo_ioctl.command */
869 #define AIROGCAP 0 // Capability rid
870 #define AIROGCFG 1 // USED A LOT
871 #define AIROGSLIST 2 // System ID list
872 #define AIROGVLIST 3 // List of specified AP's
873 #define AIROGDRVNAM 4 // NOTUSED
874 #define AIROGEHTENC 5 // NOTUSED
875 #define AIROGWEPKTMP 6
876 #define AIROGWEPKNV 7
878 #define AIROGSTATSC32 9
879 #define AIROGSTATSD32 10
880 #define AIROGMICRID 11
881 #define AIROGMICSTATS 12
882 #define AIROGFLAGS 13
885 #define AIRORSWVERSION 17
887 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
889 #define AIROPCAP AIROGSTATSD32 + 40
890 #define AIROPVLIST AIROPCAP + 1
891 #define AIROPSLIST AIROPVLIST + 1
892 #define AIROPCFG AIROPSLIST + 1
893 #define AIROPSIDS AIROPCFG + 1
894 #define AIROPAPLIST AIROPSIDS + 1
895 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
896 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
897 #define AIROPSTCLR AIROPMACOFF + 1
898 #define AIROPWEPKEY AIROPSTCLR + 1
899 #define AIROPWEPKEYNV AIROPWEPKEY + 1
900 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
901 #define AIROPLEAPUSR AIROPLEAPPWD + 1
905 #define AIROFLSHRST AIROPWEPKEYNV + 40
906 #define AIROFLSHGCHR AIROFLSHRST + 1
907 #define AIROFLSHSTFL AIROFLSHGCHR + 1
908 #define AIROFLSHPCHR AIROFLSHSTFL + 1
909 #define AIROFLPUTBUF AIROFLSHPCHR + 1
910 #define AIRORESTART AIROFLPUTBUF + 1
912 #define FLASHSIZE 32768
913 #define AUXMEMSIZE (256 * 1024)
915 typedef struct aironet_ioctl {
916 unsigned short command; // What to do
917 unsigned short len; // Len of data
918 unsigned short ridnum; // rid number
919 unsigned char __user *data; // d-data
922 static char swversion[] = "2.1";
923 #endif /* CISCO_EXT */
925 #define NUM_MODULES 2
926 #define MIC_MSGLEN_MAX 2400
927 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
928 #define AIRO_DEF_MTU 2312
932 u8 enabled; // MIC enabled or not
933 u32 rxSuccess; // successful packets received
934 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
935 u32 rxNotMICed; // pkts dropped due to not being MIC'd
936 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
937 u32 rxWrongSequence; // pkts dropped due to sequence number violation
942 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
943 u64 accum; // accumulated mic, reduced to u32 in final()
944 int position; // current position (byte offset) in message
948 } part; // saves partial message word across update() calls
952 emmh32_context seed; // Context - the seed
953 u32 rx; // Received sequence number
954 u32 tx; // Tx sequence number
955 u32 window; // Start of window
956 u8 valid; // Flag to say if context is valid or not
961 miccntx mCtx; // Multicast context
962 miccntx uCtx; // Unicast context
966 unsigned int rid: 16;
967 unsigned int len: 15;
968 unsigned int valid: 1;
969 dma_addr_t host_addr;
973 unsigned int offset: 15;
975 unsigned int len: 15;
976 unsigned int valid: 1;
977 dma_addr_t host_addr;
981 unsigned int ctl: 15;
983 unsigned int len: 15;
984 unsigned int valid: 1;
985 dma_addr_t host_addr;
989 * Host receive descriptor
992 unsigned char __iomem *card_ram_off; /* offset into card memory of the
994 RxFid rx_desc; /* card receive descriptor */
995 char *virtual_host_addr; /* virtual address of host receive
1001 * Host transmit descriptor
1004 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1006 TxFid tx_desc; /* card transmit descriptor */
1007 char *virtual_host_addr; /* virtual address of host receive
1013 * Host RID descriptor
1016 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1018 Rid rid_desc; /* card RID descriptor */
1019 char *virtual_host_addr; /* virtual address of host receive
1028 #define HOST_SET (1 << 0)
1029 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1030 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1031 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1032 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1033 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1034 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1035 #define HOST_RTS (1 << 9) /* Force RTS use */
1036 #define HOST_SHORT (1 << 10) /* Do short preamble */
1063 static WifiCtlHdr wifictlhdr8023 = {
1065 .ctl = HOST_DONT_RLSE,
1069 // Frequency list (map channels to frequencies)
1070 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1071 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1073 // A few details needed for WEP (Wireless Equivalent Privacy)
1074 #define MAX_KEY_SIZE 13 // 128 (?) bits
1075 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1076 typedef struct wep_key_t {
1078 u8 key[16]; /* 40-bit and 104-bit keys */
1081 /* Backward compatibility */
1082 #ifndef IW_ENCODE_NOKEY
1083 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1084 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1085 #endif /* IW_ENCODE_NOKEY */
1087 /* List of Wireless Handlers (new API) */
1088 static const struct iw_handler_def airo_handler_def;
1090 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1094 static int get_dec_u16( char *buffer, int *start, int limit );
1095 static void OUT4500( struct airo_info *, u16 register, u16 value );
1096 static unsigned short IN4500( struct airo_info *, u16 register );
1097 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1098 static int enable_MAC(struct airo_info *ai, int lock);
1099 static void disable_MAC(struct airo_info *ai, int lock);
1100 static void enable_interrupts(struct airo_info*);
1101 static void disable_interrupts(struct airo_info*);
1102 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1103 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1104 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1106 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen,
1108 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen,
1110 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1111 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1112 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1113 *pBuf, int len, int lock);
1114 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1115 int len, int dummy );
1116 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1117 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1118 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1120 static int mpi_send_packet (struct net_device *dev);
1121 static void mpi_unmap_card(struct pci_dev *pci);
1122 static void mpi_receive_802_3(struct airo_info *ai);
1123 static void mpi_receive_802_11(struct airo_info *ai);
1124 static int waitbusy (struct airo_info *ai);
1126 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1127 static int airo_thread(void *data);
1128 static void timer_func( struct net_device *dev );
1129 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1130 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1131 static void airo_read_wireless_stats (struct airo_info *local);
1133 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1134 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1135 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1136 #endif /* CISCO_EXT */
1137 static void micinit(struct airo_info *ai);
1138 static int micsetup(struct airo_info *ai);
1139 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1140 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1142 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1143 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1145 static void airo_networks_free(struct airo_info *ai);
1148 struct net_device_stats stats;
1149 struct net_device *dev;
1150 struct list_head dev_list;
1151 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1152 use the high bit to mark whether it is in use. */
1154 #define MPI_MAX_FIDS 1
1157 char keyindex; // Used with auto wep
1158 char defindex; // Used with auto wep
1159 struct proc_dir_entry *proc_entry;
1160 spinlock_t aux_lock;
1161 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1162 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1163 #define FLAG_RADIO_MASK 0x03
1164 #define FLAG_ENABLED 2
1165 #define FLAG_ADHOC 3 /* Needed by MIC */
1166 #define FLAG_MIC_CAPABLE 4
1167 #define FLAG_UPDATE_MULTI 5
1168 #define FLAG_UPDATE_UNI 6
1169 #define FLAG_802_11 7
1170 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1171 #define FLAG_PENDING_XMIT 9
1172 #define FLAG_PENDING_XMIT11 10
1174 #define FLAG_REGISTERED 12
1175 #define FLAG_COMMIT 13
1176 #define FLAG_RESET 14
1177 #define FLAG_FLASHING 15
1178 #define FLAG_WPA_CAPABLE 16
1179 unsigned long flags;
1182 #define JOB_XMIT11 2
1184 #define JOB_PROMISC 4
1187 #define JOB_AUTOWEP 7
1188 #define JOB_WSTATS 8
1189 #define JOB_SCAN_RESULTS 9
1191 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen,
1193 unsigned short *flash;
1195 struct task_struct *list_bss_task;
1196 struct task_struct *airo_thread_task;
1197 struct semaphore sem;
1198 wait_queue_head_t thr_wait;
1199 unsigned long expires;
1201 struct sk_buff *skb;
1204 struct net_device *wifidev;
1205 struct iw_statistics wstats; // wireless stats
1206 unsigned long scan_timeout; /* Time scan should be read */
1207 struct iw_spy_data spy_data;
1208 struct iw_public_data wireless_data;
1210 struct crypto_cipher *tfm;
1212 mic_statistics micstats;
1213 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1214 HostTxDesc txfids[MPI_MAX_FIDS];
1215 HostRidDesc config_desc;
1216 unsigned long ridbus; // phys addr of config_desc
1217 struct sk_buff_head txq;// tx queue used by mpi350 code
1218 struct pci_dev *pci;
1219 unsigned char __iomem *pcimem;
1220 unsigned char __iomem *pciaux;
1221 unsigned char *shared;
1222 dma_addr_t shared_dma;
1226 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1227 char proc_name[IFNAMSIZ];
1229 /* WPA-related stuff */
1230 unsigned int bssListFirst;
1231 unsigned int bssListNext;
1232 unsigned int bssListRidLen;
1234 struct list_head network_list;
1235 struct list_head network_free_list;
1236 BSSListElement *networks;
1239 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen,
1242 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1245 static int setup_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1247 static int takedown_proc_entry( struct net_device *dev,
1248 struct airo_info *apriv );
1250 static int cmdreset(struct airo_info *ai);
1251 static int setflashmode (struct airo_info *ai);
1252 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1253 static int flashputbuf(struct airo_info *ai);
1254 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1256 #define airo_print(type, name, fmt, args...) \
1257 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1259 #define airo_print_info(name, fmt, args...) \
1260 airo_print(KERN_INFO, name, fmt, ##args)
1262 #define airo_print_dbg(name, fmt, args...) \
1263 airo_print(KERN_DEBUG, name, fmt, ##args)
1265 #define airo_print_warn(name, fmt, args...) \
1266 airo_print(KERN_WARNING, name, fmt, ##args)
1268 #define airo_print_err(name, fmt, args...) \
1269 airo_print(KERN_ERR, name, fmt, ##args)
1272 /***********************************************************************
1274 ***********************************************************************
1277 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1278 static void MoveWindow(miccntx *context, u32 micSeq);
1279 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1280 struct crypto_cipher *tfm);
1281 static void emmh32_init(emmh32_context *context);
1282 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1283 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1284 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1286 /* micinit - Initialize mic seed */
1288 static void micinit(struct airo_info *ai)
1292 clear_bit(JOB_MIC, &ai->jobs);
1293 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1296 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1298 if (ai->micstats.enabled) {
1299 /* Key must be valid and different */
1300 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1301 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1302 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1303 /* Age current mic Context */
1304 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1305 /* Initialize new context */
1306 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1307 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1308 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1309 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1310 ai->mod[0].mCtx.valid = 1; //Key is now valid
1312 /* Give key to mic seed */
1313 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1316 /* Key must be valid and different */
1317 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1318 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1319 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1320 /* Age current mic Context */
1321 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1322 /* Initialize new context */
1323 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1325 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1326 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1327 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1328 ai->mod[0].uCtx.valid = 1; //Key is now valid
1330 //Give key to mic seed
1331 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1334 /* So next time we have a valid key and mic is enabled, we will update
1335 * the sequence number if the key is the same as before.
1337 ai->mod[0].uCtx.valid = 0;
1338 ai->mod[0].mCtx.valid = 0;
1342 /* micsetup - Get ready for business */
1344 static int micsetup(struct airo_info *ai) {
1347 if (ai->tfm == NULL)
1348 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1350 if (IS_ERR(ai->tfm)) {
1351 airo_print_err(ai->dev->name, "failed to load transform for AES");
1356 for (i=0; i < NUM_MODULES; i++) {
1357 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1358 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1363 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1365 /*===========================================================================
1366 * Description: Mic a packet
1368 * Inputs: etherHead * pointer to an 802.3 frame
1370 * Returns: BOOLEAN if successful, otherwise false.
1371 * PacketTxLen will be updated with the mic'd packets size.
1373 * Caveats: It is assumed that the frame buffer will already
1374 * be big enough to hold the largets mic message possible.
1375 * (No memory allocation is done here).
1377 * Author: sbraneky (10/15/01)
1378 * Merciless hacks by rwilcher (1/14/02)
1381 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1385 // Determine correct context
1386 // If not adhoc, always use unicast key
1388 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1389 context = &ai->mod[0].mCtx;
1391 context = &ai->mod[0].uCtx;
1393 if (!context->valid)
1396 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1398 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1401 mic->seq = htonl(context->tx);
1404 emmh32_init(&context->seed); // Mic the packet
1405 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1406 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1407 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1408 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1409 emmh32_final(&context->seed, (u8*)&mic->mic);
1411 /* New Type/length ?????????? */
1412 mic->typelen = 0; //Let NIC know it could be an oversized packet
1424 /*===========================================================================
1425 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1426 * (removes the MIC stuff) if packet is a valid packet.
1428 * Inputs: etherHead pointer to the 802.3 packet
1430 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1432 * Author: sbraneky (10/15/01)
1433 * Merciless hacks by rwilcher (1/14/02)
1434 *---------------------------------------------------------------------------
1437 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1443 mic_error micError = NONE;
1445 // Check if the packet is a Mic'd packet
1447 if (!ai->micstats.enabled) {
1448 //No Mic set or Mic OFF but we received a MIC'd packet.
1449 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1450 ai->micstats.rxMICPlummed++;
1456 if (ntohs(mic->typelen) == 0x888E)
1459 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1460 // Mic enabled but packet isn't Mic'd
1461 ai->micstats.rxMICPlummed++;
1465 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1467 //At this point we a have a mic'd packet and mic is enabled
1468 //Now do the mic error checking.
1470 //Receive seq must be odd
1471 if ( (micSEQ & 1) == 0 ) {
1472 ai->micstats.rxWrongSequence++;
1476 for (i = 0; i < NUM_MODULES; i++) {
1477 int mcast = eth->da[0] & 1;
1478 //Determine proper context
1479 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1481 //Make sure context is valid
1482 if (!context->valid) {
1484 micError = NOMICPLUMMED;
1490 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1492 emmh32_init(&context->seed);
1493 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1494 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1495 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1496 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1498 emmh32_final(&context->seed, digest);
1500 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1503 micError = INCORRECTMIC;
1507 //Check Sequence number if mics pass
1508 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1509 ai->micstats.rxSuccess++;
1513 micError = SEQUENCE;
1516 // Update statistics
1518 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1519 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1520 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1527 /*===========================================================================
1528 * Description: Checks the Rx Seq number to make sure it is valid
1529 * and hasn't already been received
1531 * Inputs: miccntx - mic context to check seq against
1532 * micSeq - the Mic seq number
1534 * Returns: TRUE if valid otherwise FALSE.
1536 * Author: sbraneky (10/15/01)
1537 * Merciless hacks by rwilcher (1/14/02)
1538 *---------------------------------------------------------------------------
1541 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1545 //Allow for the ap being rebooted - if it is then use the next
1546 //sequence number of the current sequence number - might go backwards
1549 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1550 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1551 context->window = (micSeq > 33) ? micSeq : 33;
1552 context->rx = 0; // Reset rx
1554 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1555 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1556 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1557 context->rx = 0; // Reset rx
1560 //Make sequence number relative to START of window
1561 seq = micSeq - (context->window - 33);
1563 //Too old of a SEQ number to check.
1568 //Window is infinite forward
1569 MoveWindow(context,micSeq);
1573 // We are in the window. Now check the context rx bit to see if it was already sent
1574 seq >>= 1; //divide by 2 because we only have odd numbers
1575 index = 1 << seq; //Get an index number
1577 if (!(context->rx & index)) {
1578 //micSEQ falls inside the window.
1579 //Add seqence number to the list of received numbers.
1580 context->rx |= index;
1582 MoveWindow(context,micSeq);
1589 static void MoveWindow(miccntx *context, u32 micSeq)
1593 //Move window if seq greater than the middle of the window
1594 if (micSeq > context->window) {
1595 shift = (micSeq - context->window) >> 1;
1599 context->rx >>= shift;
1603 context->window = micSeq; //Move window
1607 /*==============================================*/
1608 /*========== EMMH ROUTINES ====================*/
1609 /*==============================================*/
1611 /* mic accumulate */
1612 #define MIC_ACCUM(val) \
1613 context->accum += (u64)(val) * context->coeff[coeff_position++];
1615 static unsigned char aes_counter[16];
1617 /* expand the key to fill the MMH coefficient array */
1618 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1619 struct crypto_cipher *tfm)
1621 /* take the keying material, expand if necessary, truncate at 16-bytes */
1622 /* run through AES counter mode to generate context->coeff[] */
1626 u8 *cipher, plain[16];
1628 crypto_cipher_setkey(tfm, pkey, 16);
1630 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1631 aes_counter[15] = (u8)(counter >> 0);
1632 aes_counter[14] = (u8)(counter >> 8);
1633 aes_counter[13] = (u8)(counter >> 16);
1634 aes_counter[12] = (u8)(counter >> 24);
1636 memcpy (plain, aes_counter, 16);
1637 crypto_cipher_encrypt_one(tfm, plain, plain);
1639 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1640 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]);
1646 /* prepare for calculation of a new mic */
1647 static void emmh32_init(emmh32_context *context)
1649 /* prepare for new mic calculation */
1651 context->position = 0;
1654 /* add some bytes to the mic calculation */
1655 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1657 int coeff_position, byte_position;
1659 if (len == 0) return;
1661 coeff_position = context->position >> 2;
1663 /* deal with partial 32-bit word left over from last update */
1664 byte_position = context->position & 3;
1665 if (byte_position) {
1666 /* have a partial word in part to deal with */
1668 if (len == 0) return;
1669 context->part.d8[byte_position++] = *pOctets++;
1670 context->position++;
1672 } while (byte_position < 4);
1673 MIC_ACCUM(ntohl(context->part.d32));
1676 /* deal with full 32-bit words */
1678 MIC_ACCUM(ntohl(*(__be32 *)pOctets));
1679 context->position += 4;
1684 /* deal with partial 32-bit word that will be left over from this update */
1687 context->part.d8[byte_position++] = *pOctets++;
1688 context->position++;
1693 /* mask used to zero empty bytes for final partial word */
1694 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1696 /* calculate the mic */
1697 static void emmh32_final(emmh32_context *context, u8 digest[4])
1699 int coeff_position, byte_position;
1705 coeff_position = context->position >> 2;
1707 /* deal with partial 32-bit word left over from last update */
1708 byte_position = context->position & 3;
1709 if (byte_position) {
1710 /* have a partial word in part to deal with */
1711 val = ntohl(context->part.d32);
1712 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1715 /* reduce the accumulated u64 to a 32-bit MIC */
1716 sum = context->accum;
1717 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1718 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1719 sum = utmp & 0xffffffffLL;
1720 if (utmp > 0x10000000fLL)
1724 digest[0] = (val>>24) & 0xFF;
1725 digest[1] = (val>>16) & 0xFF;
1726 digest[2] = (val>>8) & 0xFF;
1727 digest[3] = val & 0xFF;
1730 static int readBSSListRid(struct airo_info *ai, int first,
1737 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1738 memset(&cmd, 0, sizeof(cmd));
1739 cmd.cmd=CMD_LISTBSS;
1740 if (down_interruptible(&ai->sem))
1741 return -ERESTARTSYS;
1742 ai->list_bss_task = current;
1743 issuecommand(ai, &cmd, &rsp);
1745 /* Let the command take effect */
1746 schedule_timeout_uninterruptible(3 * HZ);
1747 ai->list_bss_task = NULL;
1749 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1750 list, ai->bssListRidLen, 1);
1753 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock)
1755 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1756 wkr, sizeof(*wkr), lock);
1759 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock)
1762 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock);
1764 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1766 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock);
1768 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1773 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1775 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1778 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1780 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1783 static int readConfigRid(struct airo_info*ai, int lock) {
1791 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1795 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1797 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1798 *s = le16_to_cpu(*s);
1800 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1801 *s = le16_to_cpu(*s);
1803 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1804 *s = cpu_to_le16(*s);
1806 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1807 *s = cpu_to_le16(*s);
1812 static inline void checkThrottle(struct airo_info *ai) {
1814 /* Old hardware had a limit on encryption speed */
1815 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1816 for(i=0; i<8; i++) {
1817 if (ai->config.rates[i] > maxencrypt) {
1818 ai->config.rates[i] = 0;
1823 static int writeConfigRid(struct airo_info*ai, int lock) {
1827 if (!test_bit (FLAG_COMMIT, &ai->flags))
1830 clear_bit (FLAG_COMMIT, &ai->flags);
1831 clear_bit (FLAG_RESET, &ai->flags);
1835 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1836 set_bit(FLAG_ADHOC, &ai->flags);
1838 clear_bit(FLAG_ADHOC, &ai->flags);
1840 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1842 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1843 *s = cpu_to_le16(*s);
1845 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1846 *s = cpu_to_le16(*s);
1848 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1849 *s = cpu_to_le16(*s);
1851 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1852 *s = cpu_to_le16(*s);
1854 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1856 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1857 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1860 statr->len = le16_to_cpu(statr->len);
1861 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1863 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1864 *s = le16_to_cpu(*s);
1865 statr->load = le16_to_cpu(statr->load);
1866 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1870 static int readAPListRid(struct airo_info *ai, APListRid *aplr)
1872 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1875 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock)
1877 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1880 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1882 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1885 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1887 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1890 static void try_auto_wep(struct airo_info *ai)
1892 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1893 ai->expires = RUN_AT(3*HZ);
1894 wake_up_interruptible(&ai->thr_wait);
1898 static int airo_open(struct net_device *dev) {
1899 struct airo_info *ai = dev->priv;
1902 if (test_bit(FLAG_FLASHING, &ai->flags))
1905 /* Make sure the card is configured.
1906 * Wireless Extensions may postpone config changes until the card
1907 * is open (to pipeline changes and speed-up card setup). If
1908 * those changes are not yet commited, do it now - Jean II */
1909 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1911 writeConfigRid(ai, 1);
1914 if (ai->wifidev != dev) {
1915 clear_bit(JOB_DIE, &ai->jobs);
1916 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1917 if (IS_ERR(ai->airo_thread_task))
1918 return (int)PTR_ERR(ai->airo_thread_task);
1920 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1923 airo_print_err(dev->name,
1924 "register interrupt %d failed, rc %d",
1926 set_bit(JOB_DIE, &ai->jobs);
1927 kthread_stop(ai->airo_thread_task);
1931 /* Power on the MAC controller (which may have been disabled) */
1932 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1933 enable_interrupts(ai);
1939 netif_start_queue(dev);
1943 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1944 int npacks, pending;
1945 unsigned long flags;
1946 struct airo_info *ai = dev->priv;
1949 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1952 npacks = skb_queue_len (&ai->txq);
1954 if (npacks >= MAXTXQ - 1) {
1955 netif_stop_queue (dev);
1956 if (npacks > MAXTXQ) {
1957 ai->stats.tx_fifo_errors++;
1960 skb_queue_tail (&ai->txq, skb);
1964 spin_lock_irqsave(&ai->aux_lock, flags);
1965 skb_queue_tail (&ai->txq, skb);
1966 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1967 spin_unlock_irqrestore(&ai->aux_lock,flags);
1968 netif_wake_queue (dev);
1971 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1972 mpi_send_packet (dev);
1980 * Attempt to transmit a packet. Can be called from interrupt
1981 * or transmit . return number of packets we tried to send
1984 static int mpi_send_packet (struct net_device *dev)
1986 struct sk_buff *skb;
1987 unsigned char *buffer;
1990 struct airo_info *ai = dev->priv;
1993 /* get a packet to send */
1995 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1996 airo_print_err(dev->name,
1997 "%s: Dequeue'd zero in send_packet()",
2002 /* check min length*/
2003 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2006 ai->txfids[0].tx_desc.offset = 0;
2007 ai->txfids[0].tx_desc.valid = 1;
2008 ai->txfids[0].tx_desc.eoc = 1;
2009 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2012 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2013 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2014 * is immediatly after it. ------------------------------------------------
2015 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2016 * ------------------------------------------------
2019 memcpy((char *)ai->txfids[0].virtual_host_addr,
2020 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2022 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2023 sizeof(wifictlhdr8023));
2024 sendbuf = ai->txfids[0].virtual_host_addr +
2025 sizeof(wifictlhdr8023) + 2 ;
2028 * Firmware automaticly puts 802 header on so
2029 * we don't need to account for it in the length
2031 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2032 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2035 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2038 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2039 ai->txfids[0].tx_desc.len += sizeof(pMic);
2040 /* copy data into airo dma buffer */
2041 memcpy (sendbuf, buffer, sizeof(etherHead));
2042 buffer += sizeof(etherHead);
2043 sendbuf += sizeof(etherHead);
2044 memcpy (sendbuf, &pMic, sizeof(pMic));
2045 sendbuf += sizeof(pMic);
2046 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2048 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2050 dev->trans_start = jiffies;
2052 /* copy data into airo dma buffer */
2053 memcpy(sendbuf, buffer, len);
2056 memcpy_toio(ai->txfids[0].card_ram_off,
2057 &ai->txfids[0].tx_desc, sizeof(TxFid));
2059 OUT4500(ai, EVACK, 8);
2061 dev_kfree_skb_any(skb);
2065 static void get_tx_error(struct airo_info *ai, s32 fid)
2070 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2072 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2074 bap_read(ai, &status, 2, BAP0);
2076 if (le16_to_cpu(status) & 2) /* Too many retries */
2077 ai->stats.tx_aborted_errors++;
2078 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2079 ai->stats.tx_heartbeat_errors++;
2080 if (le16_to_cpu(status) & 8) /* Aid fail */
2082 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2083 ai->stats.tx_carrier_errors++;
2084 if (le16_to_cpu(status) & 0x20) /* Association lost */
2086 /* We produce a TXDROP event only for retry or lifetime
2087 * exceeded, because that's the only status that really mean
2088 * that this particular node went away.
2089 * Other errors means that *we* screwed up. - Jean II */
2090 if ((le16_to_cpu(status) & 2) ||
2091 (le16_to_cpu(status) & 4)) {
2092 union iwreq_data wrqu;
2095 /* Faster to skip over useless data than to do
2096 * another bap_setup(). We are at offset 0x6 and
2097 * need to go to 0x18 and read 6 bytes - Jean II */
2098 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2100 /* Copy 802.11 dest address.
2101 * We use the 802.11 header because the frame may
2102 * not be 802.3 or may be mangled...
2103 * In Ad-Hoc mode, it will be the node address.
2104 * In managed mode, it will be most likely the AP addr
2105 * User space will figure out how to convert it to
2106 * whatever it needs (IP address or else).
2108 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2109 wrqu.addr.sa_family = ARPHRD_ETHER;
2111 /* Send event to user space */
2112 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2116 static void airo_end_xmit(struct net_device *dev) {
2119 struct airo_info *priv = dev->priv;
2120 struct sk_buff *skb = priv->xmit.skb;
2121 int fid = priv->xmit.fid;
2122 u32 *fids = priv->fids;
2124 clear_bit(JOB_XMIT, &priv->jobs);
2125 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2126 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2130 if ( status == SUCCESS ) {
2131 dev->trans_start = jiffies;
2132 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2134 priv->fids[fid] &= 0xffff;
2135 priv->stats.tx_window_errors++;
2137 if (i < MAX_FIDS / 2)
2138 netif_wake_queue(dev);
2142 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2145 struct airo_info *priv = dev->priv;
2146 u32 *fids = priv->fids;
2148 if ( skb == NULL ) {
2149 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2153 /* Find a vacant FID */
2154 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2155 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2157 if ( j >= MAX_FIDS / 2 ) {
2158 netif_stop_queue(dev);
2160 if (i == MAX_FIDS / 2) {
2161 priv->stats.tx_fifo_errors++;
2165 /* check min length*/
2166 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2167 /* Mark fid as used & save length for later */
2168 fids[i] |= (len << 16);
2169 priv->xmit.skb = skb;
2171 if (down_trylock(&priv->sem) != 0) {
2172 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2173 netif_stop_queue(dev);
2174 set_bit(JOB_XMIT, &priv->jobs);
2175 wake_up_interruptible(&priv->thr_wait);
2181 static void airo_end_xmit11(struct net_device *dev) {
2184 struct airo_info *priv = dev->priv;
2185 struct sk_buff *skb = priv->xmit11.skb;
2186 int fid = priv->xmit11.fid;
2187 u32 *fids = priv->fids;
2189 clear_bit(JOB_XMIT11, &priv->jobs);
2190 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2191 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2195 if ( status == SUCCESS ) {
2196 dev->trans_start = jiffies;
2197 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2199 priv->fids[fid] &= 0xffff;
2200 priv->stats.tx_window_errors++;
2203 netif_wake_queue(dev);
2207 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2210 struct airo_info *priv = dev->priv;
2211 u32 *fids = priv->fids;
2213 if (test_bit(FLAG_MPI, &priv->flags)) {
2214 /* Not implemented yet for MPI350 */
2215 netif_stop_queue(dev);
2219 if ( skb == NULL ) {
2220 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2224 /* Find a vacant FID */
2225 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2226 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2228 if ( j >= MAX_FIDS ) {
2229 netif_stop_queue(dev);
2231 if (i == MAX_FIDS) {
2232 priv->stats.tx_fifo_errors++;
2236 /* check min length*/
2237 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2238 /* Mark fid as used & save length for later */
2239 fids[i] |= (len << 16);
2240 priv->xmit11.skb = skb;
2241 priv->xmit11.fid = i;
2242 if (down_trylock(&priv->sem) != 0) {
2243 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2244 netif_stop_queue(dev);
2245 set_bit(JOB_XMIT11, &priv->jobs);
2246 wake_up_interruptible(&priv->thr_wait);
2248 airo_end_xmit11(dev);
2252 static void airo_read_stats(struct airo_info *ai)
2255 __le32 *vals = stats_rid.vals;
2257 clear_bit(JOB_STATS, &ai->jobs);
2258 if (ai->power.event) {
2262 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2265 ai->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2266 le32_to_cpu(vals[45]);
2267 ai->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2268 le32_to_cpu(vals[41]);
2269 ai->stats.rx_bytes = le32_to_cpu(vals[92]);
2270 ai->stats.tx_bytes = le32_to_cpu(vals[91]);
2271 ai->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2272 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2273 ai->stats.tx_errors = le32_to_cpu(vals[42]) + ai->stats.tx_fifo_errors;
2274 ai->stats.multicast = le32_to_cpu(vals[43]);
2275 ai->stats.collisions = le32_to_cpu(vals[89]);
2277 /* detailed rx_errors: */
2278 ai->stats.rx_length_errors = le32_to_cpu(vals[3]);
2279 ai->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2280 ai->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2281 ai->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2284 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2286 struct airo_info *local = dev->priv;
2288 if (!test_bit(JOB_STATS, &local->jobs)) {
2289 /* Get stats out of the card if available */
2290 if (down_trylock(&local->sem) != 0) {
2291 set_bit(JOB_STATS, &local->jobs);
2292 wake_up_interruptible(&local->thr_wait);
2294 airo_read_stats(local);
2297 return &local->stats;
2300 static void airo_set_promisc(struct airo_info *ai) {
2304 memset(&cmd, 0, sizeof(cmd));
2305 cmd.cmd=CMD_SETMODE;
2306 clear_bit(JOB_PROMISC, &ai->jobs);
2307 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2308 issuecommand(ai, &cmd, &rsp);
2312 static void airo_set_multicast_list(struct net_device *dev) {
2313 struct airo_info *ai = dev->priv;
2315 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2316 change_bit(FLAG_PROMISC, &ai->flags);
2317 if (down_trylock(&ai->sem) != 0) {
2318 set_bit(JOB_PROMISC, &ai->jobs);
2319 wake_up_interruptible(&ai->thr_wait);
2321 airo_set_promisc(ai);
2324 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2325 /* Turn on multicast. (Should be already setup...) */
2329 static int airo_set_mac_address(struct net_device *dev, void *p)
2331 struct airo_info *ai = dev->priv;
2332 struct sockaddr *addr = p;
2334 readConfigRid(ai, 1);
2335 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2336 set_bit (FLAG_COMMIT, &ai->flags);
2338 writeConfigRid (ai, 1);
2340 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2342 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2346 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2348 if ((new_mtu < 68) || (new_mtu > 2400))
2354 static LIST_HEAD(airo_devices);
2356 static void add_airo_dev(struct airo_info *ai)
2358 /* Upper layers already keep track of PCI devices,
2359 * so we only need to remember our non-PCI cards. */
2361 list_add_tail(&ai->dev_list, &airo_devices);
2364 static void del_airo_dev(struct airo_info *ai)
2367 list_del(&ai->dev_list);
2370 static int airo_close(struct net_device *dev) {
2371 struct airo_info *ai = dev->priv;
2373 netif_stop_queue(dev);
2375 if (ai->wifidev != dev) {
2376 #ifdef POWER_ON_DOWN
2377 /* Shut power to the card. The idea is that the user can save
2378 * power when he doesn't need the card with "ifconfig down".
2379 * That's the method that is most friendly towards the network
2380 * stack (i.e. the network stack won't try to broadcast
2381 * anything on the interface and routes are gone. Jean II */
2382 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2385 disable_interrupts( ai );
2387 free_irq(dev->irq, dev);
2389 set_bit(JOB_DIE, &ai->jobs);
2390 kthread_stop(ai->airo_thread_task);
2395 void stop_airo_card( struct net_device *dev, int freeres )
2397 struct airo_info *ai = dev->priv;
2399 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2401 disable_interrupts(ai);
2402 takedown_proc_entry( dev, ai );
2403 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2404 unregister_netdev( dev );
2406 unregister_netdev(ai->wifidev);
2407 free_netdev(ai->wifidev);
2410 clear_bit(FLAG_REGISTERED, &ai->flags);
2413 * Clean out tx queue
2415 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2416 struct sk_buff *skb = NULL;
2417 for (;(skb = skb_dequeue(&ai->txq));)
2421 airo_networks_free (ai);
2428 /* PCMCIA frees this stuff, so only for PCI and ISA */
2429 release_region( dev->base_addr, 64 );
2430 if (test_bit(FLAG_MPI, &ai->flags)) {
2432 mpi_unmap_card(ai->pci);
2434 iounmap(ai->pcimem);
2436 iounmap(ai->pciaux);
2437 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2438 ai->shared, ai->shared_dma);
2441 crypto_free_cipher(ai->tfm);
2446 EXPORT_SYMBOL(stop_airo_card);
2448 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2450 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2454 static void mpi_unmap_card(struct pci_dev *pci)
2456 unsigned long mem_start = pci_resource_start(pci, 1);
2457 unsigned long mem_len = pci_resource_len(pci, 1);
2458 unsigned long aux_start = pci_resource_start(pci, 2);
2459 unsigned long aux_len = AUXMEMSIZE;
2461 release_mem_region(aux_start, aux_len);
2462 release_mem_region(mem_start, mem_len);
2465 /*************************************************************
2466 * This routine assumes that descriptors have been setup .
2467 * Run at insmod time or after reset when the decriptors
2468 * have been initialized . Returns 0 if all is well nz
2469 * otherwise . Does not allocate memory but sets up card
2470 * using previously allocated descriptors.
2472 static int mpi_init_descriptors (struct airo_info *ai)
2479 /* Alloc card RX descriptors */
2480 netif_stop_queue(ai->dev);
2482 memset(&rsp,0,sizeof(rsp));
2483 memset(&cmd,0,sizeof(cmd));
2485 cmd.cmd = CMD_ALLOCATEAUX;
2487 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2488 cmd.parm2 = MPI_MAX_FIDS;
2489 rc=issuecommand(ai, &cmd, &rsp);
2490 if (rc != SUCCESS) {
2491 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2495 for (i=0; i<MPI_MAX_FIDS; i++) {
2496 memcpy_toio(ai->rxfids[i].card_ram_off,
2497 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2500 /* Alloc card TX descriptors */
2502 memset(&rsp,0,sizeof(rsp));
2503 memset(&cmd,0,sizeof(cmd));
2505 cmd.cmd = CMD_ALLOCATEAUX;
2507 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2508 cmd.parm2 = MPI_MAX_FIDS;
2510 for (i=0; i<MPI_MAX_FIDS; i++) {
2511 ai->txfids[i].tx_desc.valid = 1;
2512 memcpy_toio(ai->txfids[i].card_ram_off,
2513 &ai->txfids[i].tx_desc, sizeof(TxFid));
2515 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2517 rc=issuecommand(ai, &cmd, &rsp);
2518 if (rc != SUCCESS) {
2519 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2523 /* Alloc card Rid descriptor */
2524 memset(&rsp,0,sizeof(rsp));
2525 memset(&cmd,0,sizeof(cmd));
2527 cmd.cmd = CMD_ALLOCATEAUX;
2529 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2530 cmd.parm2 = 1; /* Magic number... */
2531 rc=issuecommand(ai, &cmd, &rsp);
2532 if (rc != SUCCESS) {
2533 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2537 memcpy_toio(ai->config_desc.card_ram_off,
2538 &ai->config_desc.rid_desc, sizeof(Rid));
2544 * We are setting up three things here:
2545 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2546 * 2) Map PCI memory for issueing commands.
2547 * 3) Allocate memory (shared) to send and receive ethernet frames.
2549 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2551 unsigned long mem_start, mem_len, aux_start, aux_len;
2554 dma_addr_t busaddroff;
2555 unsigned char *vpackoff;
2556 unsigned char __iomem *pciaddroff;
2558 mem_start = pci_resource_start(pci, 1);
2559 mem_len = pci_resource_len(pci, 1);
2560 aux_start = pci_resource_start(pci, 2);
2561 aux_len = AUXMEMSIZE;
2563 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2564 airo_print_err("", "Couldn't get region %x[%x]",
2565 (int)mem_start, (int)mem_len);
2568 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2569 airo_print_err("", "Couldn't get region %x[%x]",
2570 (int)aux_start, (int)aux_len);
2574 ai->pcimem = ioremap(mem_start, mem_len);
2576 airo_print_err("", "Couldn't map region %x[%x]",
2577 (int)mem_start, (int)mem_len);
2580 ai->pciaux = ioremap(aux_start, aux_len);
2582 airo_print_err("", "Couldn't map region %x[%x]",
2583 (int)aux_start, (int)aux_len);
2587 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2588 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2590 airo_print_err("", "Couldn't alloc_consistent %d",
2596 * Setup descriptor RX, TX, CONFIG
2598 busaddroff = ai->shared_dma;
2599 pciaddroff = ai->pciaux + AUX_OFFSET;
2600 vpackoff = ai->shared;
2602 /* RX descriptor setup */
2603 for(i = 0; i < MPI_MAX_FIDS; i++) {
2604 ai->rxfids[i].pending = 0;
2605 ai->rxfids[i].card_ram_off = pciaddroff;
2606 ai->rxfids[i].virtual_host_addr = vpackoff;
2607 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2608 ai->rxfids[i].rx_desc.valid = 1;
2609 ai->rxfids[i].rx_desc.len = PKTSIZE;
2610 ai->rxfids[i].rx_desc.rdy = 0;
2612 pciaddroff += sizeof(RxFid);
2613 busaddroff += PKTSIZE;
2614 vpackoff += PKTSIZE;
2617 /* TX descriptor setup */
2618 for(i = 0; i < MPI_MAX_FIDS; i++) {
2619 ai->txfids[i].card_ram_off = pciaddroff;
2620 ai->txfids[i].virtual_host_addr = vpackoff;
2621 ai->txfids[i].tx_desc.valid = 1;
2622 ai->txfids[i].tx_desc.host_addr = busaddroff;
2623 memcpy(ai->txfids[i].virtual_host_addr,
2624 &wifictlhdr8023, sizeof(wifictlhdr8023));
2626 pciaddroff += sizeof(TxFid);
2627 busaddroff += PKTSIZE;
2628 vpackoff += PKTSIZE;
2630 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2632 /* Rid descriptor setup */
2633 ai->config_desc.card_ram_off = pciaddroff;
2634 ai->config_desc.virtual_host_addr = vpackoff;
2635 ai->config_desc.rid_desc.host_addr = busaddroff;
2636 ai->ridbus = busaddroff;
2637 ai->config_desc.rid_desc.rid = 0;
2638 ai->config_desc.rid_desc.len = RIDSIZE;
2639 ai->config_desc.rid_desc.valid = 1;
2640 pciaddroff += sizeof(Rid);
2641 busaddroff += RIDSIZE;
2642 vpackoff += RIDSIZE;
2644 /* Tell card about descriptors */
2645 if (mpi_init_descriptors (ai) != SUCCESS)
2650 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2652 iounmap(ai->pciaux);
2654 iounmap(ai->pcimem);
2656 release_mem_region(aux_start, aux_len);
2658 release_mem_region(mem_start, mem_len);
2663 static const struct header_ops airo_header_ops = {
2664 .parse = wll_header_parse,
2667 static void wifi_setup(struct net_device *dev)
2669 dev->header_ops = &airo_header_ops;
2670 dev->hard_start_xmit = &airo_start_xmit11;
2671 dev->get_stats = &airo_get_stats;
2672 dev->set_mac_address = &airo_set_mac_address;
2673 dev->do_ioctl = &airo_ioctl;
2674 dev->wireless_handlers = &airo_handler_def;
2675 dev->change_mtu = &airo_change_mtu;
2676 dev->open = &airo_open;
2677 dev->stop = &airo_close;
2679 dev->type = ARPHRD_IEEE80211;
2680 dev->hard_header_len = ETH_HLEN;
2681 dev->mtu = AIRO_DEF_MTU;
2682 dev->addr_len = ETH_ALEN;
2683 dev->tx_queue_len = 100;
2685 memset(dev->broadcast,0xFF, ETH_ALEN);
2687 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2690 static struct net_device *init_wifidev(struct airo_info *ai,
2691 struct net_device *ethdev)
2694 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2697 dev->priv = ethdev->priv;
2698 dev->irq = ethdev->irq;
2699 dev->base_addr = ethdev->base_addr;
2700 dev->wireless_data = ethdev->wireless_data;
2701 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2702 err = register_netdev(dev);
2710 static int reset_card( struct net_device *dev , int lock) {
2711 struct airo_info *ai = dev->priv;
2713 if (lock && down_interruptible(&ai->sem))
2716 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2725 #define AIRO_MAX_NETWORK_COUNT 64
2726 static int airo_networks_allocate(struct airo_info *ai)
2732 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2734 if (!ai->networks) {
2735 airo_print_warn("", "Out of memory allocating beacons");
2742 static void airo_networks_free(struct airo_info *ai)
2744 kfree(ai->networks);
2745 ai->networks = NULL;
2748 static void airo_networks_initialize(struct airo_info *ai)
2752 INIT_LIST_HEAD(&ai->network_free_list);
2753 INIT_LIST_HEAD(&ai->network_list);
2754 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2755 list_add_tail(&ai->networks[i].list,
2756 &ai->network_free_list);
2759 static int airo_test_wpa_capable(struct airo_info *ai)
2762 CapabilityRid cap_rid;
2764 status = readCapabilityRid(ai, &cap_rid, 1);
2765 if (status != SUCCESS) return 0;
2767 /* Only firmware versions 5.30.17 or better can do WPA */
2768 if (le16_to_cpu(cap_rid.softVer) > 0x530
2769 || (le16_to_cpu(cap_rid.softVer) == 0x530
2770 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2771 airo_print_info("", "WPA is supported.");
2775 /* No WPA support */
2776 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2777 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2781 static struct net_device *_init_airo_card( unsigned short irq, int port,
2782 int is_pcmcia, struct pci_dev *pci,
2783 struct device *dmdev )
2785 struct net_device *dev;
2786 struct airo_info *ai;
2788 DECLARE_MAC_BUF(mac);
2790 /* Create the network device object. */
2791 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2793 airo_print_err("", "Couldn't alloc_etherdev");
2799 ai->flags = 1 << FLAG_RADIO_DOWN;
2802 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2803 airo_print_dbg("", "Found an MPI350 card");
2804 set_bit(FLAG_MPI, &ai->flags);
2806 spin_lock_init(&ai->aux_lock);
2807 sema_init(&ai->sem, 1);
2810 init_waitqueue_head (&ai->thr_wait);
2814 if (airo_networks_allocate (ai))
2816 airo_networks_initialize (ai);
2818 /* The Airo-specific entries in the device structure. */
2819 if (test_bit(FLAG_MPI,&ai->flags)) {
2820 skb_queue_head_init (&ai->txq);
2821 dev->hard_start_xmit = &mpi_start_xmit;
2823 dev->hard_start_xmit = &airo_start_xmit;
2824 dev->get_stats = &airo_get_stats;
2825 dev->set_multicast_list = &airo_set_multicast_list;
2826 dev->set_mac_address = &airo_set_mac_address;
2827 dev->do_ioctl = &airo_ioctl;
2828 dev->wireless_handlers = &airo_handler_def;
2829 ai->wireless_data.spy_data = &ai->spy_data;
2830 dev->wireless_data = &ai->wireless_data;
2831 dev->change_mtu = &airo_change_mtu;
2832 dev->open = &airo_open;
2833 dev->stop = &airo_close;
2835 dev->base_addr = port;
2837 SET_NETDEV_DEV(dev, dmdev);
2839 reset_card (dev, 1);
2843 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2845 airo_print_err(dev->name, "Couldn't request region");
2850 if (test_bit(FLAG_MPI,&ai->flags)) {
2851 if (mpi_map_card(ai, pci)) {
2852 airo_print_err("", "Could not map memory");
2858 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2859 airo_print_err(dev->name, "MAC could not be enabled" );
2863 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2864 ai->bap_read = fast_bap_read;
2865 set_bit(FLAG_FLASHING, &ai->flags);
2868 /* Test for WPA support */
2869 if (airo_test_wpa_capable(ai)) {
2870 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2871 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2872 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2873 ai->bssListRidLen = sizeof(BSSListRid);
2875 ai->bssListFirst = RID_BSSLISTFIRST;
2876 ai->bssListNext = RID_BSSLISTNEXT;
2877 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2880 strcpy(dev->name, "eth%d");
2881 rc = register_netdev(dev);
2883 airo_print_err(dev->name, "Couldn't register_netdev");
2886 ai->wifidev = init_wifidev(ai, dev);
2890 set_bit(FLAG_REGISTERED,&ai->flags);
2891 airo_print_info(dev->name, "MAC enabled %s",
2892 print_mac(mac, dev->dev_addr));
2894 /* Allocate the transmit buffers */
2895 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2896 for( i = 0; i < MAX_FIDS; i++ )
2897 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2899 if (setup_proc_entry(dev, dev->priv) < 0)
2905 unregister_netdev(ai->wifidev);
2906 free_netdev(ai->wifidev);
2908 unregister_netdev(dev);
2910 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2911 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2912 iounmap(ai->pciaux);
2913 iounmap(ai->pcimem);
2914 mpi_unmap_card(ai->pci);
2918 release_region( dev->base_addr, 64 );
2920 airo_networks_free(ai);
2927 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2928 struct device *dmdev)
2930 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2933 EXPORT_SYMBOL(init_airo_card);
2935 static int waitbusy (struct airo_info *ai) {
2937 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2939 if ((++delay % 20) == 0)
2940 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2942 return delay < 10000;
2945 int reset_airo_card( struct net_device *dev )
2948 struct airo_info *ai = dev->priv;
2949 DECLARE_MAC_BUF(mac);
2951 if (reset_card (dev, 1))
2954 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2955 airo_print_err(dev->name, "MAC could not be enabled");
2958 airo_print_info(dev->name, "MAC enabled %s",
2959 print_mac(mac, dev->dev_addr));
2960 /* Allocate the transmit buffers if needed */
2961 if (!test_bit(FLAG_MPI,&ai->flags))
2962 for( i = 0; i < MAX_FIDS; i++ )
2963 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2965 enable_interrupts( ai );
2966 netif_wake_queue(dev);
2970 EXPORT_SYMBOL(reset_airo_card);
2972 static void airo_send_event(struct net_device *dev) {
2973 struct airo_info *ai = dev->priv;
2974 union iwreq_data wrqu;
2975 StatusRid status_rid;
2977 clear_bit(JOB_EVENT, &ai->jobs);
2978 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2980 wrqu.data.length = 0;
2981 wrqu.data.flags = 0;
2982 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2983 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2985 /* Send event to user space */
2986 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2989 static void airo_process_scan_results (struct airo_info *ai) {
2990 union iwreq_data wrqu;
2993 BSSListElement * loop_net;
2994 BSSListElement * tmp_net;
2996 /* Blow away current list of scan results */
2997 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2998 list_move_tail (&loop_net->list, &ai->network_free_list);
2999 /* Don't blow away ->list, just BSS data */
3000 memset (loop_net, 0, sizeof (loop_net->bss));
3003 /* Try to read the first entry of the scan result */
3004 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3005 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3006 /* No scan results */
3010 /* Read and parse all entries */
3012 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3013 /* Grab a network off the free list */
3014 if (!list_empty(&ai->network_free_list)) {
3015 tmp_net = list_entry(ai->network_free_list.next,
3016 BSSListElement, list);
3017 list_del(ai->network_free_list.next);
3020 if (tmp_net != NULL) {
3021 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3022 list_add_tail(&tmp_net->list, &ai->network_list);
3026 /* Read next entry */
3027 rc = PC4500_readrid(ai, ai->bssListNext,
3028 &bss, ai->bssListRidLen, 0);
3032 ai->scan_timeout = 0;
3033 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3036 /* Send an empty event to user space.
3037 * We don't send the received data on
3038 * the event because it would require
3039 * us to do complex transcoding, and
3040 * we want to minimise the work done in
3041 * the irq handler. Use a request to
3042 * extract the data - Jean II */
3043 wrqu.data.length = 0;
3044 wrqu.data.flags = 0;
3045 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3048 static int airo_thread(void *data) {
3049 struct net_device *dev = data;
3050 struct airo_info *ai = dev->priv;
3055 /* make swsusp happy with our thread */
3058 if (test_bit(JOB_DIE, &ai->jobs))
3062 locked = down_interruptible(&ai->sem);
3066 init_waitqueue_entry(&wait, current);
3067 add_wait_queue(&ai->thr_wait, &wait);
3069 set_current_state(TASK_INTERRUPTIBLE);
3072 if (ai->expires || ai->scan_timeout) {
3073 if (ai->scan_timeout &&
3074 time_after_eq(jiffies,ai->scan_timeout)){
3075 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3077 } else if (ai->expires &&
3078 time_after_eq(jiffies,ai->expires)){
3079 set_bit(JOB_AUTOWEP, &ai->jobs);
3082 if (!kthread_should_stop() &&
3083 !freezing(current)) {
3084 unsigned long wake_at;
3085 if (!ai->expires || !ai->scan_timeout) {
3086 wake_at = max(ai->expires,
3089 wake_at = min(ai->expires,
3092 schedule_timeout(wake_at - jiffies);
3095 } else if (!kthread_should_stop() &&
3096 !freezing(current)) {
3102 current->state = TASK_RUNNING;
3103 remove_wait_queue(&ai->thr_wait, &wait);
3110 if (test_bit(JOB_DIE, &ai->jobs)) {
3115 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3120 if (test_bit(JOB_XMIT, &ai->jobs))
3122 else if (test_bit(JOB_XMIT11, &ai->jobs))
3123 airo_end_xmit11(dev);
3124 else if (test_bit(JOB_STATS, &ai->jobs))
3125 airo_read_stats(ai);
3126 else if (test_bit(JOB_WSTATS, &ai->jobs))
3127 airo_read_wireless_stats(ai);
3128 else if (test_bit(JOB_PROMISC, &ai->jobs))
3129 airo_set_promisc(ai);
3130 else if (test_bit(JOB_MIC, &ai->jobs))
3132 else if (test_bit(JOB_EVENT, &ai->jobs))
3133 airo_send_event(dev);
3134 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3136 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3137 airo_process_scan_results(ai);
3138 else /* Shouldn't get here, but we make sure to unlock */
3145 static int header_len(__le16 ctl)
3147 u16 fc = le16_to_cpu(ctl);
3150 if ((fc & 0xe0) == 0xc0)
3151 return 10; /* one-address control packet */
3152 return 16; /* two-address control packet */
3154 if ((fc & 0x300) == 0x300)
3155 return 30; /* WDS packet */
3160 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3162 struct net_device *dev = dev_id;
3165 struct airo_info *apriv = dev->priv;
3166 u16 savedInterrupts = 0;
3169 if (!netif_device_present(dev))
3173 status = IN4500( apriv, EVSTAT );
3174 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3178 if ( status & EV_AWAKE ) {
3179 OUT4500( apriv, EVACK, EV_AWAKE );
3180 OUT4500( apriv, EVACK, EV_AWAKE );
3183 if (!savedInterrupts) {
3184 savedInterrupts = IN4500( apriv, EVINTEN );
3185 OUT4500( apriv, EVINTEN, 0 );
3188 if ( status & EV_MIC ) {
3189 OUT4500( apriv, EVACK, EV_MIC );
3190 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3191 set_bit(JOB_MIC, &apriv->jobs);
3192 wake_up_interruptible(&apriv->thr_wait);
3195 if ( status & EV_LINK ) {
3196 union iwreq_data wrqu;
3197 int scan_forceloss = 0;
3198 /* The link status has changed, if you want to put a
3199 monitor hook in, do it here. (Remember that
3200 interrupts are still disabled!)
3202 u16 newStatus = IN4500(apriv, LINKSTAT);
3203 OUT4500( apriv, EVACK, EV_LINK);
3204 /* Here is what newStatus means: */
3205 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3206 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3207 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3208 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3209 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3210 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3211 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3212 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3214 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3216 #define ASSOCIATED 0x0400 /* Associated */
3217 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3218 #define RC_RESERVED 0 /* Reserved return code */
3219 #define RC_NOREASON 1 /* Unspecified reason */
3220 #define RC_AUTHINV 2 /* Previous authentication invalid */
3221 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3223 #define RC_NOACT 4 /* Disassociated due to inactivity */
3224 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3225 all currently associated stations */
3226 #define RC_BADCLASS2 6 /* Class 2 frame received from
3227 non-Authenticated station */
3228 #define RC_BADCLASS3 7 /* Class 3 frame received from
3229 non-Associated station */
3230 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3232 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3233 Authenticated with the responding station */
3234 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3236 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3239 if (apriv->list_bss_task)
3240 wake_up_process(apriv->list_bss_task);
3241 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3242 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3244 if (down_trylock(&apriv->sem) != 0) {
3245 set_bit(JOB_EVENT, &apriv->jobs);
3246 wake_up_interruptible(&apriv->thr_wait);
3248 airo_send_event(dev);
3249 } else if (!scan_forceloss) {
3250 if (auto_wep && !apriv->expires) {
3251 apriv->expires = RUN_AT(3*HZ);
3252 wake_up_interruptible(&apriv->thr_wait);
3255 /* Send event to user space */
3256 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3257 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3258 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3262 /* Check to see if there is something to receive */
3263 if ( status & EV_RX ) {
3264 struct sk_buff *skb = NULL;
3266 u16 len, hdrlen = 0;
3280 if (test_bit(FLAG_MPI,&apriv->flags)) {
3281 if (test_bit(FLAG_802_11, &apriv->flags))
3282 mpi_receive_802_11(apriv);
3284 mpi_receive_802_3(apriv);
3285 OUT4500(apriv, EVACK, EV_RX);
3289 fid = IN4500( apriv, RXFID );
3291 /* Get the packet length */
3292 if (test_bit(FLAG_802_11, &apriv->flags)) {
3293 bap_setup (apriv, fid, 4, BAP0);
3294 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3295 /* Bad CRC. Ignore packet */
3296 if (le16_to_cpu(hdr.status) & 2)
3298 if (apriv->wifidev == NULL)
3301 bap_setup (apriv, fid, 0x36, BAP0);
3302 bap_read (apriv, &hdr.len, 2, BAP0);
3304 len = le16_to_cpu(hdr.len);
3306 if (len > AIRO_DEF_MTU) {
3307 airo_print_err(apriv->dev->name, "Bad size %d", len);
3313 if (test_bit(FLAG_802_11, &apriv->flags)) {
3314 bap_read (apriv, &fc, sizeof(fc), BAP0);
3315 hdrlen = header_len(fc);
3317 hdrlen = ETH_ALEN * 2;
3319 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3321 apriv->stats.rx_dropped++;
3324 skb_reserve(skb, 2); /* This way the IP header is aligned */
3325 buffer = (__le16*)skb_put (skb, len + hdrlen);
3326 if (test_bit(FLAG_802_11, &apriv->flags)) {
3328 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3330 bap_read (apriv, tmpbuf, 6, BAP0);
3332 bap_read (apriv, &v, sizeof(v), BAP0);
3333 gap = le16_to_cpu(v);
3336 bap_read (apriv, tmpbuf, gap, BAP0);
3338 airo_print_err(apriv->dev->name, "gaplen too "
3339 "big. Problems will follow...");
3342 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3345 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3346 if (apriv->micstats.enabled) {
3347 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3348 if (ntohs(micbuf.typelen) > 0x05DC)
3349 bap_setup (apriv, fid, 0x44, BAP0);
3351 if (len <= sizeof(micbuf))
3354 len -= sizeof(micbuf);
3355 skb_trim (skb, len + hdrlen);
3358 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3359 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3361 dev_kfree_skb_irq (skb);
3363 OUT4500( apriv, EVACK, EV_RX);
3368 if (apriv->spy_data.spy_number > 0) {
3370 struct iw_quality wstats;
3371 /* Prepare spy data : addr + qual */
3372 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3373 sa = (char*)buffer + 6;
3374 bap_setup (apriv, fid, 8, BAP0);
3375 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3377 sa = (char*)buffer + 10;
3378 wstats.qual = hdr.rssi[0];
3380 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3382 wstats.level = (hdr.rssi[1] + 321) / 2;
3383 wstats.noise = apriv->wstats.qual.noise;
3384 wstats.updated = IW_QUAL_LEVEL_UPDATED
3385 | IW_QUAL_QUAL_UPDATED
3387 /* Update spy records */
3388 wireless_spy_update(dev, sa, &wstats);
3390 #endif /* WIRELESS_SPY */
3391 OUT4500( apriv, EVACK, EV_RX);
3393 if (test_bit(FLAG_802_11, &apriv->flags)) {
3394 skb_reset_mac_header(skb);
3395 skb->pkt_type = PACKET_OTHERHOST;
3396 skb->dev = apriv->wifidev;
3397 skb->protocol = htons(ETH_P_802_2);
3399 skb->protocol = eth_type_trans(skb,dev);
3400 skb->dev->last_rx = jiffies;
3401 skb->ip_summed = CHECKSUM_NONE;
3407 /* Check to see if a packet has been transmitted */
3408 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3413 if (test_bit(FLAG_MPI,&apriv->flags)) {
3414 unsigned long flags;
3416 if (status & EV_TXEXC)
3417 get_tx_error(apriv, -1);
3418 spin_lock_irqsave(&apriv->aux_lock, flags);
3419 if (!skb_queue_empty(&apriv->txq)) {
3420 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3421 mpi_send_packet (dev);
3423 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3424 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3425 netif_wake_queue (dev);
3427 OUT4500( apriv, EVACK,
3428 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3432 fid = IN4500(apriv, TXCOMPLFID);
3434 for( i = 0; i < MAX_FIDS; i++ ) {
3435 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3436 len = apriv->fids[i] >> 16;
3441 if (status & EV_TXEXC)
3442 get_tx_error(apriv, index);
3443 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3444 /* Set up to be used again */
3445 apriv->fids[index] &= 0xffff;
3446 if (index < MAX_FIDS / 2) {
3447 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3448 netif_wake_queue(dev);
3450 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3451 netif_wake_queue(apriv->wifidev);
3454 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3455 airo_print_err(apriv->dev->name, "Unallocated FID was "
3460 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3461 airo_print_warn(apriv->dev->name, "Got weird status %x",
3462 status & ~STATUS_INTS & ~IGNORE_INTS );
3465 if (savedInterrupts)
3466 OUT4500( apriv, EVINTEN, savedInterrupts );
3469 return IRQ_RETVAL(handled);
3473 * Routines to talk to the card
3477 * This was originally written for the 4500, hence the name
3478 * NOTE: If use with 8bit mode and SMP bad things will happen!
3479 * Why would some one do 8 bit IO in an SMP machine?!?
3481 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3482 if (test_bit(FLAG_MPI,&ai->flags))
3485 outw( val, ai->dev->base_addr + reg );
3487 outb( val & 0xff, ai->dev->base_addr + reg );
3488 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3492 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3495 if (test_bit(FLAG_MPI,&ai->flags))
3498 rc = inw( ai->dev->base_addr + reg );
3500 rc = inb( ai->dev->base_addr + reg );
3501 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3506 static int enable_MAC(struct airo_info *ai, int lock)
3512 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3513 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3514 * Note : we could try to use !netif_running(dev) in enable_MAC()
3515 * instead of this flag, but I don't trust it *within* the
3516 * open/close functions, and testing both flags together is
3517 * "cheaper" - Jean II */
3518 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3520 if (lock && down_interruptible(&ai->sem))
3521 return -ERESTARTSYS;
3523 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3524 memset(&cmd, 0, sizeof(cmd));
3525 cmd.cmd = MAC_ENABLE;
3526 rc = issuecommand(ai, &cmd, &rsp);
3528 set_bit(FLAG_ENABLED, &ai->flags);
3536 airo_print_err(ai->dev->name, "Cannot enable MAC");
3537 else if ((rsp.status & 0xFF00) != 0) {
3538 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3539 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3545 static void disable_MAC( struct airo_info *ai, int lock ) {
3549 if (lock && down_interruptible(&ai->sem))
3552 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3553 memset(&cmd, 0, sizeof(cmd));
3554 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3555 issuecommand(ai, &cmd, &rsp);
3556 clear_bit(FLAG_ENABLED, &ai->flags);
3562 static void enable_interrupts( struct airo_info *ai ) {
3563 /* Enable the interrupts */
3564 OUT4500( ai, EVINTEN, STATUS_INTS );
3567 static void disable_interrupts( struct airo_info *ai ) {
3568 OUT4500( ai, EVINTEN, 0 );
3571 static void mpi_receive_802_3(struct airo_info *ai)
3575 struct sk_buff *skb;
3580 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3581 /* Make sure we got something */
3582 if (rxd.rdy && rxd.valid == 0) {
3584 if (len < 12 || len > 2048)
3587 skb = dev_alloc_skb(len);
3589 ai->stats.rx_dropped++;
3592 buffer = skb_put(skb,len);
3593 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3594 if (ai->micstats.enabled) {
3596 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3598 if (ntohs(micbuf.typelen) <= 0x05DC) {
3599 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3602 off = sizeof(micbuf);
3603 skb_trim (skb, len - off);
3606 memcpy(buffer + ETH_ALEN * 2,
3607 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3608 len - ETH_ALEN * 2 - off);
3609 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3611 dev_kfree_skb_irq (skb);
3615 if (ai->spy_data.spy_number > 0) {
3617 struct iw_quality wstats;
3618 /* Prepare spy data : addr + qual */
3619 sa = buffer + ETH_ALEN;
3620 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3623 /* Update spy records */
3624 wireless_spy_update(ai->dev, sa, &wstats);
3626 #endif /* WIRELESS_SPY */
3628 skb->ip_summed = CHECKSUM_NONE;
3629 skb->protocol = eth_type_trans(skb, ai->dev);
3630 skb->dev->last_rx = jiffies;
3634 if (rxd.valid == 0) {
3638 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3642 void mpi_receive_802_11 (struct airo_info *ai)
3645 struct sk_buff *skb = NULL;
3646 u16 len, hdrlen = 0;
3659 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3661 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3662 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3664 /* Bad CRC. Ignore packet */
3665 if (le16_to_cpu(hdr.status) & 2)
3667 if (ai->wifidev == NULL)
3669 len = le16_to_cpu(hdr.len);
3670 if (len > AIRO_DEF_MTU) {
3671 airo_print_err(ai->dev->name, "Bad size %d", len);
3677 fc = get_unaligned((__le16 *)ptr);
3678 hdrlen = header_len(fc);
3680 skb = dev_alloc_skb( len + hdrlen + 2 );
3682 ai->stats.rx_dropped++;
3685 buffer = (u16*)skb_put (skb, len + hdrlen);
3686 memcpy ((char *)buffer, ptr, hdrlen);
3690 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3691 ptr += sizeof(__le16);
3696 airo_print_err(ai->dev->name,
3697 "gaplen too big. Problems will follow...");
3699 memcpy ((char *)buffer + hdrlen, ptr, len);
3701 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3702 if (ai->spy_data.spy_number > 0) {
3704 struct iw_quality wstats;
3705 /* Prepare spy data : addr + qual */
3706 sa = (char*)buffer + 10;
3707 wstats.qual = hdr.rssi[0];
3709 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3711 wstats.level = (hdr.rssi[1] + 321) / 2;
3712 wstats.noise = ai->wstats.qual.noise;
3713 wstats.updated = IW_QUAL_QUAL_UPDATED
3714 | IW_QUAL_LEVEL_UPDATED
3716 /* Update spy records */
3717 wireless_spy_update(ai->dev, sa, &wstats);
3719 #endif /* IW_WIRELESS_SPY */
3720 skb_reset_mac_header(skb);
3721 skb->pkt_type = PACKET_OTHERHOST;
3722 skb->dev = ai->wifidev;
3723 skb->protocol = htons(ETH_P_802_2);
3724 skb->dev->last_rx = jiffies;
3725 skb->ip_summed = CHECKSUM_NONE;
3728 if (rxd.valid == 0) {
3732 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3736 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3747 memset( &mySsid, 0, sizeof( mySsid ) );
3751 /* The NOP is the first step in getting the card going */
3753 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3754 if (lock && down_interruptible(&ai->sem))
3756 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3761 disable_MAC( ai, 0);
3763 // Let's figure out if we need to use the AUX port
3764 if (!test_bit(FLAG_MPI,&ai->flags)) {
3765 cmd.cmd = CMD_ENABLEAUX;
3766 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3769 airo_print_err(ai->dev->name, "Error checking for AUX port");
3772 if (!aux_bap || rsp.status & 0xff00) {
3773 ai->bap_read = fast_bap_read;
3774 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3776 ai->bap_read = aux_bap_read;
3777 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3782 if (ai->config.len == 0) {
3783 tdsRssiRid rssi_rid;
3784 CapabilityRid cap_rid;
3790 // general configuration (read/modify/write)
3791 status = readConfigRid(ai, lock);
3792 if ( status != SUCCESS ) return ERROR;
3794 status = readCapabilityRid(ai, &cap_rid, lock);
3795 if ( status != SUCCESS ) return ERROR;
3797 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3798 if ( status == SUCCESS ) {
3799 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3800 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3805 if (cap_rid.softCap & cpu_to_le16(8))
3806 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3808 airo_print_warn(ai->dev->name, "unknown received signal "
3811 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3812 ai->config.authType = AUTH_OPEN;
3813 ai->config.modulation = MOD_CCK;
3815 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3816 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3817 micsetup(ai) == SUCCESS) {
3818 ai->config.opmode |= MODE_MIC;
3819 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3822 /* Save off the MAC */
3823 for( i = 0; i < ETH_ALEN; i++ ) {
3824 mac[i] = ai->config.macAddr[i];
3827 /* Check to see if there are any insmod configured
3831 memset(ai->config.rates,0,sizeof(ai->config.rates));
3832 for( i = 0; i < 8 && rates[i]; i++ ) {
3833 ai->config.rates[i] = rates[i];
3836 if ( basic_rate > 0 ) {
3838 for( i = 0; i < 8; i++ ) {
3839 if ( ai->config.rates[i] == basic_rate ||
3840 !ai->config.rates ) {
3841 ai->config.rates[i] = basic_rate | 0x80;
3846 set_bit (FLAG_COMMIT, &ai->flags);
3849 /* Setup the SSIDs if present */
3852 for( i = 0; i < 3 && ssids[i]; i++ ) {
3853 size_t len = strlen(ssids[i]);
3856 mySsid.ssids[i].len = cpu_to_le16(len);
3857 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3859 mySsid.len = cpu_to_le16(sizeof(mySsid));
3862 status = writeConfigRid(ai, lock);
3863 if ( status != SUCCESS ) return ERROR;
3865 /* Set up the SSID list */
3867 status = writeSsidRid(ai, &mySsid, lock);
3868 if ( status != SUCCESS ) return ERROR;
3871 status = enable_MAC(ai, lock);
3872 if (status != SUCCESS)
3875 /* Grab the initial wep key, we gotta save it for auto_wep */
3876 rc = readWepKeyRid(ai, &wkr, 1, lock);
3877 if (rc == SUCCESS) do {
3878 lastindex = wkr.kindex;
3879 if (wkr.kindex == cpu_to_le16(0xffff)) {
3880 ai->defindex = wkr.mac[0];
3882 rc = readWepKeyRid(ai, &wkr, 0, lock);
3883 } while(lastindex != wkr.kindex);
3890 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3891 // Im really paranoid about letting it run forever!
3892 int max_tries = 600000;
3894 if (IN4500(ai, EVSTAT) & EV_CMD)
3895 OUT4500(ai, EVACK, EV_CMD);
3897 OUT4500(ai, PARAM0, pCmd->parm0);
3898 OUT4500(ai, PARAM1, pCmd->parm1);
3899 OUT4500(ai, PARAM2, pCmd->parm2);
3900 OUT4500(ai, COMMAND, pCmd->cmd);
3902 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3903 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3904 // PC4500 didn't notice command, try again
3905 OUT4500(ai, COMMAND, pCmd->cmd);
3906 if (!in_atomic() && (max_tries & 255) == 0)
3910 if ( max_tries == -1 ) {
3911 airo_print_err(ai->dev->name,
3912 "Max tries exceeded when issueing command");
3913 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3914 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3918 // command completed
3919 pRsp->status = IN4500(ai, STATUS);
3920 pRsp->rsp0 = IN4500(ai, RESP0);
3921 pRsp->rsp1 = IN4500(ai, RESP1);
3922 pRsp->rsp2 = IN4500(ai, RESP2);
3923 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3924 airo_print_err(ai->dev->name,
3925 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3926 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3929 // clear stuck command busy if necessary
3930 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3931 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3933 // acknowledge processing the status/response
3934 OUT4500(ai, EVACK, EV_CMD);
3939 /* Sets up the bap to start exchange data. whichbap should
3940 * be one of the BAP0 or BAP1 defines. Locks should be held before
3942 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3947 OUT4500(ai, SELECT0+whichbap, rid);
3948 OUT4500(ai, OFFSET0+whichbap, offset);
3950 int status = IN4500(ai, OFFSET0+whichbap);
3951 if (status & BAP_BUSY) {
3952 /* This isn't really a timeout, but its kinda
3957 } else if ( status & BAP_ERR ) {
3958 /* invalid rid or offset */
3959 airo_print_err(ai->dev->name, "BAP error %x %d",
3962 } else if (status & BAP_DONE) { // success
3965 if ( !(max_tries--) ) {
3966 airo_print_err(ai->dev->name,
3967 "BAP setup error too many retries\n");
3970 // -- PC4500 missed it, try again
3971 OUT4500(ai, SELECT0+whichbap, rid);
3972 OUT4500(ai, OFFSET0+whichbap, offset);
3977 /* should only be called by aux_bap_read. This aux function and the
3978 following use concepts not documented in the developers guide. I
3979 got them from a patch given to my by Aironet */
3980 static u16 aux_setup(struct airo_info *ai, u16 page,
3981 u16 offset, u16 *len)
3985 OUT4500(ai, AUXPAGE, page);
3986 OUT4500(ai, AUXOFF, 0);
3987 next = IN4500(ai, AUXDATA);
3988 *len = IN4500(ai, AUXDATA)&0xff;
3989 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3993 /* requires call to bap_setup() first */
3994 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3995 int bytelen, int whichbap)
4003 unsigned long flags;
4005 spin_lock_irqsave(&ai->aux_lock, flags);
4006 page = IN4500(ai, SWS0+whichbap);
4007 offset = IN4500(ai, SWS2+whichbap);
4008 next = aux_setup(ai, page, offset, &len);
4009 words = (bytelen+1)>>1;
4011 for (i=0; i<words;) {
4013 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4015 insw( ai->dev->base_addr+DATA0+whichbap,
4018 insb( ai->dev->base_addr+DATA0+whichbap,
4019 pu16Dst+i, count << 1 );
4022 next = aux_setup(ai, next, 4, &len);
4025 spin_unlock_irqrestore(&ai->aux_lock, flags);
4030 /* requires call to bap_setup() first */
4031 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4032 int bytelen, int whichbap)
4034 bytelen = (bytelen + 1) & (~1); // round up to even value
4036 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4038 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4042 /* requires call to bap_setup() first */
4043 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4044 int bytelen, int whichbap)
4046 bytelen = (bytelen + 1) & (~1); // round up to even value
4048 outsw( ai->dev->base_addr+DATA0+whichbap,
4049 pu16Src, bytelen>>1 );
4051 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4055 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4057 Cmd cmd; /* for issuing commands */
4058 Resp rsp; /* response from commands */
4061 memset(&cmd, 0, sizeof(cmd));
4064 status = issuecommand(ai, &cmd, &rsp);
4065 if (status != 0) return status;
4066 if ( (rsp.status & 0x7F00) != 0) {
4067 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4072 /* Note, that we are using BAP1 which is also used by transmit, so
4073 * we must get a lock. */
4074 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4080 if (down_interruptible(&ai->sem))
4083 if (test_bit(FLAG_MPI,&ai->flags)) {
4087 memset(&cmd, 0, sizeof(cmd));
4088 memset(&rsp, 0, sizeof(rsp));
4089 ai->config_desc.rid_desc.valid = 1;
4090 ai->config_desc.rid_desc.len = RIDSIZE;
4091 ai->config_desc.rid_desc.rid = 0;
4092 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4094 cmd.cmd = CMD_ACCESS;
4097 memcpy_toio(ai->config_desc.card_ram_off,
4098 &ai->config_desc.rid_desc, sizeof(Rid));
4100 rc = issuecommand(ai, &cmd, &rsp);
4102 if (rsp.status & 0x7f00)
4105 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4108 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4112 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4116 // read the rid length field
4117 bap_read(ai, pBuf, 2, BAP1);
4118 // length for remaining part of rid
4119 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4122 airo_print_err(ai->dev->name,
4123 "Rid %x has a length of %d which is too short",
4124 (int)rid, (int)len );
4128 // read remainder of the rid
4129 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4137 /* Note, that we are using BAP1 which is also used by transmit, so
4138 * make sure this isnt called when a transmit is happening */
4139 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4140 const void *pBuf, int len, int lock)
4145 *(__le16*)pBuf = cpu_to_le16((u16)len);
4148 if (down_interruptible(&ai->sem))
4151 if (test_bit(FLAG_MPI,&ai->flags)) {
4155 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4156 airo_print_err(ai->dev->name,
4157 "%s: MAC should be disabled (rid=%04x)",
4159 memset(&cmd, 0, sizeof(cmd));
4160 memset(&rsp, 0, sizeof(rsp));
4162 ai->config_desc.rid_desc.valid = 1;
4163 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4164 ai->config_desc.rid_desc.rid = 0;
4166 cmd.cmd = CMD_WRITERID;
4169 memcpy_toio(ai->config_desc.card_ram_off,
4170 &ai->config_desc.rid_desc, sizeof(Rid));
4172 if (len < 4 || len > 2047) {
4173 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4176 memcpy((char *)ai->config_desc.virtual_host_addr,
4179 rc = issuecommand(ai, &cmd, &rsp);
4180 if ((rc & 0xff00) != 0) {
4181 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4183 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4184 __FUNCTION__, cmd.cmd);
4187 if ((rsp.status & 0x7f00))
4191 // --- first access so that we can write the rid data
4192 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4196 // --- now write the rid data
4197 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4201 bap_write(ai, pBuf, len, BAP1);
4202 // ---now commit the rid data
4203 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4211 /* Allocates a FID to be used for transmitting packets. We only use
4213 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4215 unsigned int loop = 3000;
4221 cmd.cmd = CMD_ALLOCATETX;
4222 cmd.parm0 = lenPayload;
4223 if (down_interruptible(&ai->sem))
4225 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4229 if ( (rsp.status & 0xFF00) != 0) {
4233 /* wait for the allocate event/indication
4234 * It makes me kind of nervous that this can just sit here and spin,
4235 * but in practice it only loops like four times. */
4236 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4242 // get the allocated fid and acknowledge
4243 txFid = IN4500(ai, TXALLOCFID);
4244 OUT4500(ai, EVACK, EV_ALLOC);
4246 /* The CARD is pretty cool since it converts the ethernet packet
4247 * into 802.11. Also note that we don't release the FID since we
4248 * will be using the same one over and over again. */
4249 /* We only have to setup the control once since we are not
4250 * releasing the fid. */
4252 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4253 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4255 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4256 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4257 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4260 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4268 /* In general BAP1 is dedicated to transmiting packets. However,
4269 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4270 Make sure the BAP1 spinlock is held when this is called. */
4271 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4282 if (len <= ETH_ALEN * 2) {
4283 airo_print_warn(ai->dev->name, "Short packet %d", len);
4286 len -= ETH_ALEN * 2;
4288 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4289 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4290 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4292 miclen = sizeof(pMic);
4294 // packet is destination[6], source[6], payload[len-12]
4295 // write the payload length and dst/src/payload
4296 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4297 /* The hardware addresses aren't counted as part of the payload, so
4298 * we have to subtract the 12 bytes for the addresses off */
4299 payloadLen = cpu_to_le16(len + miclen);
4300 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4301 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4303 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4304 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4305 // issue the transmit command
4306 memset( &cmd, 0, sizeof( cmd ) );
4307 cmd.cmd = CMD_TRANSMIT;
4309 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4310 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4314 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4316 __le16 fc, payloadLen;
4320 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4321 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4325 fc = *(__le16*)pPacket;
4326 hdrlen = header_len(fc);
4329 airo_print_warn(ai->dev->name, "Short packet %d", len);
4333 /* packet is 802.11 header + payload
4334 * write the payload length and dst/src/payload */
4335 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4336 /* The 802.11 header aren't counted as part of the payload, so
4337 * we have to subtract the header bytes off */
4338 payloadLen = cpu_to_le16(len-hdrlen);
4339 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4340 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4341 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4342 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4344 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4345 // issue the transmit command
4346 memset( &cmd, 0, sizeof( cmd ) );
4347 cmd.cmd = CMD_TRANSMIT;
4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4350 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4355 * This is the proc_fs routines. It is a bit messier than I would
4356 * like! Feel free to clean it up!
4359 static ssize_t proc_read( struct file *file,
4360 char __user *buffer,
4364 static ssize_t proc_write( struct file *file,
4365 const char __user *buffer,
4368 static int proc_close( struct inode *inode, struct file *file );
4370 static int proc_stats_open( struct inode *inode, struct file *file );
4371 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4372 static int proc_status_open( struct inode *inode, struct file *file );
4373 static int proc_SSID_open( struct inode *inode, struct file *file );
4374 static int proc_APList_open( struct inode *inode, struct file *file );
4375 static int proc_BSSList_open( struct inode *inode, struct file *file );
4376 static int proc_config_open( struct inode *inode, struct file *file );
4377 static int proc_wepkey_open( struct inode *inode, struct file *file );
4379 static const struct file_operations proc_statsdelta_ops = {
4381 .open = proc_statsdelta_open,
4382 .release = proc_close
4385 static const struct file_operations proc_stats_ops = {
4387 .open = proc_stats_open,
4388 .release = proc_close
4391 static const struct file_operations proc_status_ops = {
4393 .open = proc_status_open,
4394 .release = proc_close
4397 static const struct file_operations proc_SSID_ops = {
4399 .write = proc_write,
4400 .open = proc_SSID_open,
4401 .release = proc_close
4404 static const struct file_operations proc_BSSList_ops = {
4406 .write = proc_write,
4407 .open = proc_BSSList_open,
4408 .release = proc_close
4411 static const struct file_operations proc_APList_ops = {
4413 .write = proc_write,
4414 .open = proc_APList_open,
4415 .release = proc_close
4418 static const struct file_operations proc_config_ops = {
4420 .write = proc_write,
4421 .open = proc_config_open,
4422 .release = proc_close
4425 static const struct file_operations proc_wepkey_ops = {
4427 .write = proc_write,
4428 .open = proc_wepkey_open,
4429 .release = proc_close
4432 static struct proc_dir_entry *airo_entry;
4441 void (*on_close) (struct inode *, struct file *);
4445 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4448 static int setup_proc_entry( struct net_device *dev,
4449 struct airo_info *apriv ) {
4450 struct proc_dir_entry *entry;
4451 /* First setup the device directory */
4452 strcpy(apriv->proc_name,dev->name);
4453 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4456 if (!apriv->proc_entry)
4458 apriv->proc_entry->uid = proc_uid;
4459 apriv->proc_entry->gid = proc_gid;
4460 apriv->proc_entry->owner = THIS_MODULE;
4462 /* Setup the StatsDelta */
4463 entry = create_proc_entry("StatsDelta",
4464 S_IFREG | (S_IRUGO&proc_perm),
4467 goto fail_stats_delta;
4468 entry->uid = proc_uid;
4469 entry->gid = proc_gid;
4471 entry->owner = THIS_MODULE;
4472 SETPROC_OPS(entry, proc_statsdelta_ops);
4474 /* Setup the Stats */
4475 entry = create_proc_entry("Stats",
4476 S_IFREG | (S_IRUGO&proc_perm),
4480 entry->uid = proc_uid;
4481 entry->gid = proc_gid;
4483 entry->owner = THIS_MODULE;
4484 SETPROC_OPS(entry, proc_stats_ops);
4486 /* Setup the Status */
4487 entry = create_proc_entry("Status",
4488 S_IFREG | (S_IRUGO&proc_perm),
4492 entry->uid = proc_uid;
4493 entry->gid = proc_gid;
4495 entry->owner = THIS_MODULE;
4496 SETPROC_OPS(entry, proc_status_ops);
4498 /* Setup the Config */
4499 entry = create_proc_entry("Config",
4500 S_IFREG | proc_perm,
4504 entry->uid = proc_uid;
4505 entry->gid = proc_gid;
4507 entry->owner = THIS_MODULE;
4508 SETPROC_OPS(entry, proc_config_ops);
4510 /* Setup the SSID */
4511 entry = create_proc_entry("SSID",
4512 S_IFREG | proc_perm,
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
4519 entry->owner = THIS_MODULE;
4520 SETPROC_OPS(entry, proc_SSID_ops);
4522 /* Setup the APList */
4523 entry = create_proc_entry("APList",
4524 S_IFREG | proc_perm,
4528 entry->uid = proc_uid;
4529 entry->gid = proc_gid;
4531 entry->owner = THIS_MODULE;
4532 SETPROC_OPS(entry, proc_APList_ops);
4534 /* Setup the BSSList */
4535 entry = create_proc_entry("BSSList",
4536 S_IFREG | proc_perm,
4540 entry->uid = proc_uid;
4541 entry->gid = proc_gid;
4543 entry->owner = THIS_MODULE;
4544 SETPROC_OPS(entry, proc_BSSList_ops);
4546 /* Setup the WepKey */
4547 entry = create_proc_entry("WepKey",
4548 S_IFREG | proc_perm,
4552 entry->uid = proc_uid;
4553 entry->gid = proc_gid;
4555 entry->owner = THIS_MODULE;
4556 SETPROC_OPS(entry, proc_wepkey_ops);
4561 remove_proc_entry("BSSList", apriv->proc_entry);
4563 remove_proc_entry("APList", apriv->proc_entry);
4565 remove_proc_entry("SSID", apriv->proc_entry);
4567 remove_proc_entry("Config", apriv->proc_entry);
4569 remove_proc_entry("Status", apriv->proc_entry);
4571 remove_proc_entry("Stats", apriv->proc_entry);
4573 remove_proc_entry("StatsDelta", apriv->proc_entry);
4575 remove_proc_entry(apriv->proc_name, airo_entry);
4580 static int takedown_proc_entry( struct net_device *dev,
4581 struct airo_info *apriv ) {
4582 if ( !apriv->proc_entry->namelen ) return 0;
4583 remove_proc_entry("Stats",apriv->proc_entry);
4584 remove_proc_entry("StatsDelta",apriv->proc_entry);
4585 remove_proc_entry("Status",apriv->proc_entry);
4586 remove_proc_entry("Config",apriv->proc_entry);
4587 remove_proc_entry("SSID",apriv->proc_entry);
4588 remove_proc_entry("APList",apriv->proc_entry);
4589 remove_proc_entry("BSSList",apriv->proc_entry);
4590 remove_proc_entry("WepKey",apriv->proc_entry);
4591 remove_proc_entry(apriv->proc_name,airo_entry);
4596 * What we want from the proc_fs is to be able to efficiently read
4597 * and write the configuration. To do this, we want to read the
4598 * configuration when the file is opened and write it when the file is
4599 * closed. So basically we allocate a read buffer at open and fill it
4600 * with data, and allocate a write buffer and read it at close.
4604 * The read routine is generic, it relies on the preallocated rbuffer
4605 * to supply the data.
4607 static ssize_t proc_read( struct file *file,
4608 char __user *buffer,
4612 loff_t pos = *offset;
4613 struct proc_data *priv = (struct proc_data*)file->private_data;
4620 if (pos >= priv->readlen)
4622 if (len > priv->readlen - pos)
4623 len = priv->readlen - pos;
4624 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4626 *offset = pos + len;
4631 * The write routine is generic, it fills in a preallocated rbuffer
4632 * to supply the data.
4634 static ssize_t proc_write( struct file *file,
4635 const char __user *buffer,
4639 loff_t pos = *offset;
4640 struct proc_data *priv = (struct proc_data*)file->private_data;
4647 if (pos >= priv->maxwritelen)
4649 if (len > priv->maxwritelen - pos)
4650 len = priv->maxwritelen - pos;
4651 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4653 if ( pos + len > priv->writelen )
4654 priv->writelen = len + file->f_pos;
4655 *offset = pos + len;
4659 static int proc_status_open( struct inode *inode, struct file *file ) {
4660 struct proc_data *data;
4661 struct proc_dir_entry *dp = PDE(inode);
4662 struct net_device *dev = dp->data;
4663 struct airo_info *apriv = dev->priv;
4664 CapabilityRid cap_rid;
4665 StatusRid status_rid;
4668 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4670 data = (struct proc_data *)file->private_data;
4671 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4672 kfree (file->private_data);
4676 readStatusRid(apriv, &status_rid, 1);
4677 readCapabilityRid(apriv, &cap_rid, 1);
4679 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4680 status_rid.mode & 1 ? "CFG ": "",
4681 status_rid.mode & 2 ? "ACT ": "",
4682 status_rid.mode & 0x10 ? "SYN ": "",
4683 status_rid.mode & 0x20 ? "LNK ": "",
4684 status_rid.mode & 0x40 ? "LEAP ": "",
4685 status_rid.mode & 0x80 ? "PRIV ": "",
4686 status_rid.mode & 0x100 ? "KEY ": "",
4687 status_rid.mode & 0x200 ? "WEP ": "",
4688 status_rid.mode & 0x8000 ? "ERR ": "");
4689 sprintf( data->rbuffer+i, "Mode: %x\n"
4690 "Signal Strength: %d\n"
4691 "Signal Quality: %d\n"
4696 "Driver Version: %s\n"
4697 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4698 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4699 "Software Version: %x\nSoftware Subversion: %x\n"
4700 "Boot block version: %x\n",
4701 (int)status_rid.mode,
4702 (int)status_rid.normalizedSignalStrength,
4703 (int)status_rid.signalQuality,
4704 (int)status_rid.SSIDlen,
4707 (int)status_rid.channel,
4708 (int)status_rid.currentXmitRate/2,
4713 le16_to_cpu(cap_rid.radioType),
4714 le16_to_cpu(cap_rid.country),
4715 le16_to_cpu(cap_rid.hardVer),
4716 le16_to_cpu(cap_rid.softVer),
4717 le16_to_cpu(cap_rid.softSubVer),
4718 le16_to_cpu(cap_rid.bootBlockVer));
4719 data->readlen = strlen( data->rbuffer );
4723 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4724 static int proc_statsdelta_open( struct inode *inode,
4725 struct file *file ) {
4726 if (file->f_mode&FMODE_WRITE) {
4727 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4729 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4732 static int proc_stats_open( struct inode *inode, struct file *file ) {
4733 return proc_stats_rid_open(inode, file, RID_STATS);
4736 static int proc_stats_rid_open( struct inode *inode,
4740 struct proc_data *data;
4741 struct proc_dir_entry *dp = PDE(inode);
4742 struct net_device *dev = dp->data;
4743 struct airo_info *apriv = dev->priv;
4746 __le32 *vals = stats.vals;
4747 int len = le16_to_cpu(stats.len);
4749 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4751 data = (struct proc_data *)file->private_data;
4752 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4753 kfree (file->private_data);
4757 readStatsRid(apriv, &stats, rid, 1);
4760 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4761 if (!statsLabels[i]) continue;
4762 if (j+strlen(statsLabels[i])+16>4096) {
4763 airo_print_warn(apriv->dev->name,
4764 "Potentially disasterous buffer overflow averted!");
4767 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4768 le32_to_cpu(vals[i]));
4771 airo_print_warn(apriv->dev->name, "Got a short rid");
4777 static int get_dec_u16( char *buffer, int *start, int limit ) {
4780 for( value = 0; buffer[*start] >= '0' &&
4781 buffer[*start] <= '9' &&
4782 *start < limit; (*start)++ ) {
4785 value += buffer[*start] - '0';
4787 if ( !valid ) return -1;
4791 static int airo_config_commit(struct net_device *dev,
4792 struct iw_request_info *info, void *zwrq,
4795 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4796 struct proc_data *data = file->private_data;
4797 struct proc_dir_entry *dp = PDE(inode);
4798 struct net_device *dev = dp->data;
4799 struct airo_info *ai = dev->priv;
4802 if ( !data->writelen ) return;
4804 readConfigRid(ai, 1);
4805 set_bit (FLAG_COMMIT, &ai->flags);
4807 line = data->wbuffer;
4809 /*** Mode processing */
4810 if ( !strncmp( line, "Mode: ", 6 ) ) {
4812 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4813 set_bit (FLAG_RESET, &ai->flags);
4814 ai->config.rmode &= 0xfe00;
4815 clear_bit (FLAG_802_11, &ai->flags);
4816 ai->config.opmode &= 0xFF00;
4817 ai->config.scanMode = SCANMODE_ACTIVE;
4818 if ( line[0] == 'a' ) {
4819 ai->config.opmode |= 0;
4821 ai->config.opmode |= 1;
4822 if ( line[0] == 'r' ) {
4823 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4824 ai->config.scanMode = SCANMODE_PASSIVE;
4825 set_bit (FLAG_802_11, &ai->flags);
4826 } else if ( line[0] == 'y' ) {
4827 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4828 ai->config.scanMode = SCANMODE_PASSIVE;
4829 set_bit (FLAG_802_11, &ai->flags);
4830 } else if ( line[0] == 'l' )
4831 ai->config.rmode |= RXMODE_LANMON;
4833 set_bit (FLAG_COMMIT, &ai->flags);
4836 /*** Radio status */
4837 else if (!strncmp(line,"Radio: ", 7)) {
4839 if (!strncmp(line,"off",3)) {
4840 set_bit (FLAG_RADIO_OFF, &ai->flags);
4842 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4845 /*** NodeName processing */
4846 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4850 memset( ai->config.nodeName, 0, 16 );
4851 /* Do the name, assume a space between the mode and node name */
4852 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4853 ai->config.nodeName[j] = line[j];
4855 set_bit (FLAG_COMMIT, &ai->flags);
4858 /*** PowerMode processing */
4859 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4861 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4862 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4863 set_bit (FLAG_COMMIT, &ai->flags);
4864 } else if ( !strncmp( line, "PSP", 3 ) ) {
4865 ai->config.powerSaveMode = POWERSAVE_PSP;
4866 set_bit (FLAG_COMMIT, &ai->flags);
4868 ai->config.powerSaveMode = POWERSAVE_CAM;
4869 set_bit (FLAG_COMMIT, &ai->flags);
4871 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4872 int v, i = 0, k = 0; /* i is index into line,
4873 k is index to rates */
4876 while((v = get_dec_u16(line, &i, 3))!=-1) {
4877 ai->config.rates[k++] = (u8)v;
4881 set_bit (FLAG_COMMIT, &ai->flags);
4882 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4885 v = get_dec_u16(line, &i, i+3);
4887 ai->config.channelSet = (u16)v;
4888 set_bit (FLAG_COMMIT, &ai->flags);
4890 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4893 v = get_dec_u16(line, &i, i+3);
4895 ai->config.txPower = (u16)v;
4896 set_bit (FLAG_COMMIT, &ai->flags);
4898 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4902 ai->config.authType = (u16)AUTH_SHAREDKEY;
4905 ai->config.authType = (u16)AUTH_ENCRYPT;
4908 ai->config.authType = (u16)AUTH_OPEN;
4911 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4916 v = get_dec_u16(line, &i, 3);
4917 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4918 ai->config.longRetryLimit = (u16)v;
4919 set_bit (FLAG_COMMIT, &ai->flags);
4920 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4924 v = get_dec_u16(line, &i, 3);
4925 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4926 ai->config.shortRetryLimit = (u16)v;
4927 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4932 v = get_dec_u16(line, &i, 4);
4933 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4934 ai->config.rtsThres = (u16)v;
4935 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4940 v = get_dec_u16(line, &i, 5);
4942 ai->config.txLifetime = (u16)v;
4943 set_bit (FLAG_COMMIT, &ai->flags);
4944 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4948 v = get_dec_u16(line, &i, 5);
4950 ai->config.rxLifetime = (u16)v;
4951 set_bit (FLAG_COMMIT, &ai->flags);
4952 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4953 ai->config.txDiversity =
4954 (line[13]=='l') ? 1 :
4955 ((line[13]=='r')? 2: 3);
4956 set_bit (FLAG_COMMIT, &ai->flags);
4957 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4958 ai->config.rxDiversity =
4959 (line[13]=='l') ? 1 :
4960 ((line[13]=='r')? 2: 3);
4961 set_bit (FLAG_COMMIT, &ai->flags);
4962 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4966 v = get_dec_u16(line, &i, 4);
4967 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4968 v = v & 0xfffe; /* Make sure its even */
4969 ai->config.fragThresh = (u16)v;
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if (!strncmp(line, "Modulation: ", 12)) {
4974 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4975 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4976 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4977 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4979 } else if (!strncmp(line, "Preamble: ", 10)) {
4982 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4983 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4984 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4985 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4988 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4990 while( line[0] && line[0] != '\n' ) line++;
4991 if ( line[0] ) line++;
4993 airo_config_commit(dev, NULL, NULL, NULL);
4996 static char *get_rmode(u16 mode) {
4998 case RXMODE_RFMON: return "rfmon";
4999 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5000 case RXMODE_LANMON: return "lanmon";
5005 static int proc_config_open( struct inode *inode, struct file *file ) {
5006 struct proc_data *data;
5007 struct proc_dir_entry *dp = PDE(inode);
5008 struct net_device *dev = dp->data;
5009 struct airo_info *ai = dev->priv;
5012 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5014 data = (struct proc_data *)file->private_data;
5015 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5016 kfree (file->private_data);
5019 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5020 kfree (data->rbuffer);
5021 kfree (file->private_data);
5024 data->maxwritelen = 2048;
5025 data->on_close = proc_config_on_close;
5027 readConfigRid(ai, 1);
5029 i = sprintf( data->rbuffer,
5034 "DataRates: %d %d %d %d %d %d %d %d\n"
5037 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5038 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5039 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5040 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5041 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5042 ai->config.nodeName,
5043 ai->config.powerSaveMode == 0 ? "CAM" :
5044 ai->config.powerSaveMode == 1 ? "PSP" :
5045 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5046 (int)ai->config.rates[0],
5047 (int)ai->config.rates[1],
5048 (int)ai->config.rates[2],
5049 (int)ai->config.rates[3],
5050 (int)ai->config.rates[4],
5051 (int)ai->config.rates[5],
5052 (int)ai->config.rates[6],
5053 (int)ai->config.rates[7],
5054 (int)ai->config.channelSet,
5055 (int)ai->config.txPower
5057 sprintf( data->rbuffer + i,
5058 "LongRetryLimit: %d\n"
5059 "ShortRetryLimit: %d\n"
5060 "RTSThreshold: %d\n"
5061 "TXMSDULifetime: %d\n"
5062 "RXMSDULifetime: %d\n"
5065 "FragThreshold: %d\n"
5069 (int)ai->config.longRetryLimit,
5070 (int)ai->config.shortRetryLimit,
5071 (int)ai->config.rtsThres,
5072 (int)ai->config.txLifetime,
5073 (int)ai->config.rxLifetime,
5074 ai->config.txDiversity == 1 ? "left" :
5075 ai->config.txDiversity == 2 ? "right" : "both",
5076 ai->config.rxDiversity == 1 ? "left" :
5077 ai->config.rxDiversity == 2 ? "right" : "both",
5078 (int)ai->config.fragThresh,
5079 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5080 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5081 ai->config.modulation == 0 ? "default" :
5082 ai->config.modulation == MOD_CCK ? "cck" :
5083 ai->config.modulation == MOD_MOK ? "mok" : "error",
5084 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5085 ai->config.preamble == PREAMBLE_LONG ? "long" :
5086 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5088 data->readlen = strlen( data->rbuffer );
5092 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5094 struct proc_data *data = (struct proc_data *)file->private_data;
5095 struct proc_dir_entry *dp = PDE(inode);
5096 struct net_device *dev = dp->data;
5097 struct airo_info *ai = dev->priv;
5100 char *p = data->wbuffer;
5101 char *end = p + data->writelen;
5103 if (!data->writelen)
5106 *end = '\n'; /* sentinel; we have space for it */
5108 memset(&SSID_rid, 0, sizeof(SSID_rid));
5110 for (i = 0; i < 3 && p < end; i++) {
5112 /* copy up to 32 characters from this line */
5113 while (*p != '\n' && j < 32)
5114 SSID_rid.ssids[i].ssid[j++] = *p++;
5117 SSID_rid.ssids[i].len = cpu_to_le16(j);
5118 /* skip to the beginning of the next line */
5119 while (*p++ != '\n')
5123 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5125 writeSsidRid(ai, &SSID_rid, 1);
5129 static inline u8 hexVal(char c) {
5130 if (c>='0' && c<='9') return c -= '0';
5131 if (c>='a' && c<='f') return c -= 'a'-10;
5132 if (c>='A' && c<='F') return c -= 'A'-10;
5136 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5137 struct proc_data *data = (struct proc_data *)file->private_data;
5138 struct proc_dir_entry *dp = PDE(inode);
5139 struct net_device *dev = dp->data;
5140 struct airo_info *ai = dev->priv;
5141 APListRid APList_rid;
5144 if ( !data->writelen ) return;
5146 memset( &APList_rid, 0, sizeof(APList_rid) );
5147 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5149 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5151 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5154 APList_rid.ap[i][j/3]=
5155 hexVal(data->wbuffer[j+i*6*3])<<4;
5158 APList_rid.ap[i][j/3]|=
5159 hexVal(data->wbuffer[j+i*6*3]);
5165 writeAPListRid(ai, &APList_rid, 1);
5169 /* This function wraps PC4500_writerid with a MAC disable */
5170 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5171 int len, int dummy ) {
5175 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5180 /* Returns the length of the key at the index. If index == 0xffff
5181 * the index of the transmit key is returned. If the key doesn't exist,
5182 * -1 will be returned.
5184 static int get_wep_key(struct airo_info *ai, u16 index) {
5189 rc = readWepKeyRid(ai, &wkr, 1, 1);
5190 if (rc == SUCCESS) do {
5191 lastindex = wkr.kindex;
5192 if (wkr.kindex == cpu_to_le16(index)) {
5193 if (index == 0xffff) {
5196 return le16_to_cpu(wkr.klen);
5198 readWepKeyRid(ai, &wkr, 0, 1);
5199 } while (lastindex != wkr.kindex);
5203 static int set_wep_key(struct airo_info *ai, u16 index,
5204 const char *key, u16 keylen, int perm, int lock )
5206 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5209 memset(&wkr, 0, sizeof(wkr));
5211 // We are selecting which key to use
5212 wkr.len = cpu_to_le16(sizeof(wkr));
5213 wkr.kindex = cpu_to_le16(0xffff);
5214 wkr.mac[0] = (char)index;
5215 if (perm) ai->defindex = (char)index;
5217 // We are actually setting the key
5218 wkr.len = cpu_to_le16(sizeof(wkr));
5219 wkr.kindex = cpu_to_le16(index);
5220 wkr.klen = cpu_to_le16(keylen);
5221 memcpy( wkr.key, key, keylen );
5222 memcpy( wkr.mac, macaddr, ETH_ALEN );
5225 if (perm) disable_MAC(ai, lock);
5226 writeWepKeyRid(ai, &wkr, perm, lock);
5227 if (perm) enable_MAC(ai, lock);
5231 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5232 struct proc_data *data;
5233 struct proc_dir_entry *dp = PDE(inode);
5234 struct net_device *dev = dp->data;
5235 struct airo_info *ai = dev->priv;
5241 memset(key, 0, sizeof(key));
5243 data = (struct proc_data *)file->private_data;
5244 if ( !data->writelen ) return;
5246 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5247 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5248 index = data->wbuffer[0] - '0';
5249 if (data->wbuffer[1] == '\n') {
5250 set_wep_key(ai, index, NULL, 0, 1, 1);
5255 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5259 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5262 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5265 key[i/3] |= hexVal(data->wbuffer[i+j]);
5269 set_wep_key(ai, index, key, i/3, 1, 1);
5272 static int proc_wepkey_open( struct inode *inode, struct file *file )
5274 struct proc_data *data;
5275 struct proc_dir_entry *dp = PDE(inode);
5276 struct net_device *dev = dp->data;
5277 struct airo_info *ai = dev->priv;
5284 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5286 memset(&wkr, 0, sizeof(wkr));
5287 data = (struct proc_data *)file->private_data;
5288 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5289 kfree (file->private_data);
5293 data->maxwritelen = 80;
5294 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5295 kfree (data->rbuffer);
5296 kfree (file->private_data);
5299 data->on_close = proc_wepkey_on_close;
5301 ptr = data->rbuffer;
5302 strcpy(ptr, "No wep keys\n");
5303 rc = readWepKeyRid(ai, &wkr, 1, 1);
5304 if (rc == SUCCESS) do {
5305 lastindex = wkr.kindex;
5306 if (wkr.kindex == cpu_to_le16(0xffff)) {
5307 j += sprintf(ptr+j, "Tx key = %d\n",
5310 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5311 le16_to_cpu(wkr.kindex),
5312 le16_to_cpu(wkr.klen));
5314 readWepKeyRid(ai, &wkr, 0, 1);
5315 } while((lastindex != wkr.kindex) && (j < 180-30));
5317 data->readlen = strlen( data->rbuffer );
5321 static int proc_SSID_open(struct inode *inode, struct file *file)
5323 struct proc_data *data;
5324 struct proc_dir_entry *dp = PDE(inode);
5325 struct net_device *dev = dp->data;
5326 struct airo_info *ai = dev->priv;
5331 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5333 data = (struct proc_data *)file->private_data;
5334 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5335 kfree (file->private_data);
5339 data->maxwritelen = 33*3;
5340 /* allocate maxwritelen + 1; we'll want a sentinel */
5341 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5342 kfree (data->rbuffer);
5343 kfree (file->private_data);
5346 data->on_close = proc_SSID_on_close;
5348 readSsidRid(ai, &SSID_rid);
5349 ptr = data->rbuffer;
5350 for (i = 0; i < 3; i++) {
5352 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5357 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5358 *ptr++ = SSID_rid.ssids[i].ssid[j];
5362 data->readlen = strlen( data->rbuffer );
5366 static int proc_APList_open( struct inode *inode, struct file *file ) {
5367 struct proc_data *data;
5368 struct proc_dir_entry *dp = PDE(inode);
5369 struct net_device *dev = dp->data;
5370 struct airo_info *ai = dev->priv;
5373 APListRid APList_rid;
5374 DECLARE_MAC_BUF(mac);
5376 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5378 data = (struct proc_data *)file->private_data;
5379 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5380 kfree (file->private_data);
5384 data->maxwritelen = 4*6*3;
5385 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5386 kfree (data->rbuffer);
5387 kfree (file->private_data);
5390 data->on_close = proc_APList_on_close;
5392 readAPListRid(ai, &APList_rid);
5393 ptr = data->rbuffer;
5394 for( i = 0; i < 4; i++ ) {
5395 // We end when we find a zero MAC
5396 if ( !*(int*)APList_rid.ap[i] &&
5397 !*(int*)&APList_rid.ap[i][2]) break;
5398 ptr += sprintf(ptr, "%s\n",
5399 print_mac(mac, APList_rid.ap[i]));
5401 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5404 data->readlen = strlen( data->rbuffer );
5408 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5409 struct proc_data *data;
5410 struct proc_dir_entry *dp = PDE(inode);
5411 struct net_device *dev = dp->data;
5412 struct airo_info *ai = dev->priv;
5414 BSSListRid BSSList_rid;
5416 /* If doLoseSync is not 1, we won't do a Lose Sync */
5417 int doLoseSync = -1;
5418 DECLARE_MAC_BUF(mac);
5420 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5422 data = (struct proc_data *)file->private_data;
5423 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5424 kfree (file->private_data);
5428 data->maxwritelen = 0;
5429 data->wbuffer = NULL;
5430 data->on_close = NULL;
5432 if (file->f_mode & FMODE_WRITE) {
5433 if (!(file->f_mode & FMODE_READ)) {
5437 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5438 memset(&cmd, 0, sizeof(cmd));
5439 cmd.cmd=CMD_LISTBSS;
5440 if (down_interruptible(&ai->sem))
5441 return -ERESTARTSYS;
5442 issuecommand(ai, &cmd, &rsp);
5449 ptr = data->rbuffer;
5450 /* There is a race condition here if there are concurrent opens.
5451 Since it is a rare condition, we'll just live with it, otherwise
5452 we have to add a spin lock... */
5453 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5454 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5455 ptr += sprintf(ptr, "%s %*s rssi = %d",
5456 print_mac(mac, BSSList_rid.bssid),
5457 (int)BSSList_rid.ssidLen,
5459 le16_to_cpu(BSSList_rid.dBm));
5460 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5461 le16_to_cpu(BSSList_rid.dsChannel),
5462 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5463 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5464 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5465 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5466 rc = readBSSListRid(ai, 0, &BSSList_rid);
5469 data->readlen = strlen( data->rbuffer );
5473 static int proc_close( struct inode *inode, struct file *file )
5475 struct proc_data *data = file->private_data;
5477 if (data->on_close != NULL)
5478 data->on_close(inode, file);
5479 kfree(data->rbuffer);
5480 kfree(data->wbuffer);
5485 /* Since the card doesn't automatically switch to the right WEP mode,
5486 we will make it do it. If the card isn't associated, every secs we
5487 will switch WEP modes to see if that will help. If the card is
5488 associated we will check every minute to see if anything has
5490 static void timer_func( struct net_device *dev ) {
5491 struct airo_info *apriv = dev->priv;
5493 /* We don't have a link so try changing the authtype */
5494 readConfigRid(apriv, 0);
5495 disable_MAC(apriv, 0);
5496 switch(apriv->config.authType) {
5498 /* So drop to OPEN */
5499 apriv->config.authType = AUTH_OPEN;
5501 case AUTH_SHAREDKEY:
5502 if (apriv->keyindex < auto_wep) {
5503 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5504 apriv->config.authType = AUTH_SHAREDKEY;
5507 /* Drop to ENCRYPT */
5508 apriv->keyindex = 0;
5509 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5510 apriv->config.authType = AUTH_ENCRYPT;
5513 default: /* We'll escalate to SHAREDKEY */
5514 apriv->config.authType = AUTH_SHAREDKEY;
5516 set_bit (FLAG_COMMIT, &apriv->flags);
5517 writeConfigRid(apriv, 0);
5518 enable_MAC(apriv, 0);
5521 /* Schedule check to see if the change worked */
5522 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5523 apriv->expires = RUN_AT(HZ*3);
5527 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5528 const struct pci_device_id *pent)
5530 struct net_device *dev;
5532 if (pci_enable_device(pdev))
5534 pci_set_master(pdev);
5536 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5537 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5539 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5541 pci_disable_device(pdev);
5545 pci_set_drvdata(pdev, dev);
5549 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5551 struct net_device *dev = pci_get_drvdata(pdev);
5553 airo_print_info(dev->name, "Unregistering...");
5554 stop_airo_card(dev, 1);
5555 pci_disable_device(pdev);
5556 pci_set_drvdata(pdev, NULL);
5559 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5561 struct net_device *dev = pci_get_drvdata(pdev);
5562 struct airo_info *ai = dev->priv;
5566 if ((ai->APList == NULL) &&
5567 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5569 if ((ai->SSID == NULL) &&
5570 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5572 readAPListRid(ai, ai->APList);
5573 readSsidRid(ai, ai->SSID);
5574 memset(&cmd, 0, sizeof(cmd));
5575 /* the lock will be released at the end of the resume callback */
5576 if (down_interruptible(&ai->sem))
5579 netif_device_detach(dev);
5582 issuecommand(ai, &cmd, &rsp);
5584 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5585 pci_save_state(pdev);
5586 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5589 static int airo_pci_resume(struct pci_dev *pdev)
5591 struct net_device *dev = pci_get_drvdata(pdev);
5592 struct airo_info *ai = dev->priv;
5593 pci_power_t prev_state = pdev->current_state;
5595 pci_set_power_state(pdev, PCI_D0);
5596 pci_restore_state(pdev);
5597 pci_enable_wake(pdev, PCI_D0, 0);
5599 if (prev_state != PCI_D1) {
5601 mpi_init_descriptors(ai);
5602 setup_card(ai, dev->dev_addr, 0);
5603 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5604 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5606 OUT4500(ai, EVACK, EV_AWAKEN);
5607 OUT4500(ai, EVACK, EV_AWAKEN);
5611 set_bit (FLAG_COMMIT, &ai->flags);
5615 writeSsidRid(ai, ai->SSID, 0);
5620 writeAPListRid(ai, ai->APList, 0);
5624 writeConfigRid(ai, 0);
5626 ai->power = PMSG_ON;
5627 netif_device_attach(dev);
5628 netif_wake_queue(dev);
5629 enable_interrupts(ai);
5635 static int __init airo_init_module( void )
5639 int have_isa_dev = 0;
5642 airo_entry = create_proc_entry("aironet",
5643 S_IFDIR | airo_perm,
5647 airo_entry->uid = proc_uid;
5648 airo_entry->gid = proc_gid;
5651 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5652 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5653 "io=0x%x", irq[i], io[i] );
5654 if (init_airo_card( irq[i], io[i], 0, NULL ))
5663 airo_print_info("", "Probing for PCI adapters");
5664 i = pci_register_driver(&airo_driver);
5665 airo_print_info("", "Finished probing for PCI adapters");
5668 remove_proc_entry("aironet", proc_root_driver);
5673 /* Always exit with success, as we are a library module
5674 * as well as a driver module
5679 static void __exit airo_cleanup_module( void )
5681 struct airo_info *ai;
5682 while(!list_empty(&airo_devices)) {
5683 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5684 airo_print_info(ai->dev->name, "Unregistering...");
5685 stop_airo_card(ai->dev, 1);
5688 pci_unregister_driver(&airo_driver);
5690 remove_proc_entry("aironet", proc_root_driver);
5694 * Initial Wireless Extension code for Aironet driver by :
5695 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5696 * Conversion to new driver API by :
5697 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5698 * Javier also did a good amount of work here, adding some new extensions
5699 * and fixing my code. Let's just say that without him this code just
5700 * would not work at all... - Jean II
5703 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5708 return (0x100 - rssi_rid[rssi].rssidBm);
5711 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5718 for( i = 0; i < 256; i++ )
5719 if (rssi_rid[i].rssidBm == dbm)
5720 return rssi_rid[i].rssipct;
5726 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5730 if ((status_rid->mode & 0x3f) != 0x3f)
5733 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5736 if (memcmp(cap_rid->prodName, "350", 3))
5737 if (status_rid->signalQuality > 0x20)
5740 quality = 0x20 - status_rid->signalQuality;
5742 if (status_rid->signalQuality > 0xb0)
5744 else if (status_rid->signalQuality < 0x10)
5747 quality = 0xb0 - status_rid->signalQuality;
5751 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5752 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5754 /*------------------------------------------------------------------*/
5756 * Wireless Handler : get protocol name
5758 static int airo_get_name(struct net_device *dev,
5759 struct iw_request_info *info,
5763 strcpy(cwrq, "IEEE 802.11-DS");
5767 /*------------------------------------------------------------------*/
5769 * Wireless Handler : set frequency
5771 static int airo_set_freq(struct net_device *dev,
5772 struct iw_request_info *info,
5773 struct iw_freq *fwrq,
5776 struct airo_info *local = dev->priv;
5777 int rc = -EINPROGRESS; /* Call commit handler */
5779 /* If setting by frequency, convert to a channel */
5780 if((fwrq->e == 1) &&
5781 (fwrq->m >= (int) 2.412e8) &&
5782 (fwrq->m <= (int) 2.487e8)) {
5783 int f = fwrq->m / 100000;
5785 while((c < 14) && (f != frequency_list[c]))
5787 /* Hack to fall through... */
5791 /* Setting by channel number */
5792 if((fwrq->m > 1000) || (fwrq->e > 0))
5795 int channel = fwrq->m;
5796 /* We should do a better check than that,
5797 * based on the card capability !!! */
5798 if((channel < 1) || (channel > 14)) {
5799 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5803 readConfigRid(local, 1);
5804 /* Yes ! We can set it !!! */
5805 local->config.channelSet = (u16) channel;
5806 set_bit (FLAG_COMMIT, &local->flags);
5812 /*------------------------------------------------------------------*/
5814 * Wireless Handler : get frequency
5816 static int airo_get_freq(struct net_device *dev,
5817 struct iw_request_info *info,
5818 struct iw_freq *fwrq,
5821 struct airo_info *local = dev->priv;
5822 StatusRid status_rid; /* Card status info */
5825 readConfigRid(local, 1);
5826 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5827 status_rid.channel = local->config.channelSet;
5829 readStatusRid(local, &status_rid, 1);
5831 ch = (int)status_rid.channel;
5832 if((ch > 0) && (ch < 15)) {
5833 fwrq->m = frequency_list[ch - 1] * 100000;
5843 /*------------------------------------------------------------------*/
5845 * Wireless Handler : set ESSID
5847 static int airo_set_essid(struct net_device *dev,
5848 struct iw_request_info *info,
5849 struct iw_point *dwrq,
5852 struct airo_info *local = dev->priv;
5853 SsidRid SSID_rid; /* SSIDs */
5855 /* Reload the list of current SSID */
5856 readSsidRid(local, &SSID_rid);
5858 /* Check if we asked for `any' */
5859 if(dwrq->flags == 0) {
5860 /* Just send an empty SSID list */
5861 memset(&SSID_rid, 0, sizeof(SSID_rid));
5863 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5865 /* Check the size of the string */
5866 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5869 /* Check if index is valid */
5870 if((index < 0) || (index >= 4)) {
5875 memset(SSID_rid.ssids[index].ssid, 0,
5876 sizeof(SSID_rid.ssids[index].ssid));
5877 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5878 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5880 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5881 /* Write it to the card */
5882 disable_MAC(local, 1);
5883 writeSsidRid(local, &SSID_rid, 1);
5884 enable_MAC(local, 1);
5889 /*------------------------------------------------------------------*/
5891 * Wireless Handler : get ESSID
5893 static int airo_get_essid(struct net_device *dev,
5894 struct iw_request_info *info,
5895 struct iw_point *dwrq,
5898 struct airo_info *local = dev->priv;
5899 StatusRid status_rid; /* Card status info */
5901 readStatusRid(local, &status_rid, 1);
5903 /* Note : if dwrq->flags != 0, we should
5904 * get the relevant SSID from the SSID list... */
5906 /* Get the current SSID */
5907 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5908 /* If none, we may want to get the one that was set */
5911 dwrq->length = status_rid.SSIDlen;
5912 dwrq->flags = 1; /* active */
5917 /*------------------------------------------------------------------*/
5919 * Wireless Handler : set AP address
5921 static int airo_set_wap(struct net_device *dev,
5922 struct iw_request_info *info,
5923 struct sockaddr *awrq,
5926 struct airo_info *local = dev->priv;
5929 APListRid APList_rid;
5930 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5931 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5933 if (awrq->sa_family != ARPHRD_ETHER)
5935 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5936 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5937 memset(&cmd, 0, sizeof(cmd));
5938 cmd.cmd=CMD_LOSE_SYNC;
5939 if (down_interruptible(&local->sem))
5940 return -ERESTARTSYS;
5941 issuecommand(local, &cmd, &rsp);
5944 memset(&APList_rid, 0, sizeof(APList_rid));
5945 APList_rid.len = cpu_to_le16(sizeof(APList_rid));
5946 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5947 disable_MAC(local, 1);
5948 writeAPListRid(local, &APList_rid, 1);
5949 enable_MAC(local, 1);
5954 /*------------------------------------------------------------------*/
5956 * Wireless Handler : get AP address
5958 static int airo_get_wap(struct net_device *dev,
5959 struct iw_request_info *info,
5960 struct sockaddr *awrq,
5963 struct airo_info *local = dev->priv;
5964 StatusRid status_rid; /* Card status info */
5966 readStatusRid(local, &status_rid, 1);
5968 /* Tentative. This seems to work, wow, I'm lucky !!! */
5969 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5970 awrq->sa_family = ARPHRD_ETHER;
5975 /*------------------------------------------------------------------*/
5977 * Wireless Handler : set Nickname
5979 static int airo_set_nick(struct net_device *dev,
5980 struct iw_request_info *info,
5981 struct iw_point *dwrq,
5984 struct airo_info *local = dev->priv;
5986 /* Check the size of the string */
5987 if(dwrq->length > 16) {
5990 readConfigRid(local, 1);
5991 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5992 memcpy(local->config.nodeName, extra, dwrq->length);
5993 set_bit (FLAG_COMMIT, &local->flags);
5995 return -EINPROGRESS; /* Call commit handler */
5998 /*------------------------------------------------------------------*/
6000 * Wireless Handler : get Nickname
6002 static int airo_get_nick(struct net_device *dev,
6003 struct iw_request_info *info,
6004 struct iw_point *dwrq,
6007 struct airo_info *local = dev->priv;
6009 readConfigRid(local, 1);
6010 strncpy(extra, local->config.nodeName, 16);
6012 dwrq->length = strlen(extra);
6017 /*------------------------------------------------------------------*/
6019 * Wireless Handler : set Bit-Rate
6021 static int airo_set_rate(struct net_device *dev,
6022 struct iw_request_info *info,
6023 struct iw_param *vwrq,
6026 struct airo_info *local = dev->priv;
6027 CapabilityRid cap_rid; /* Card capability info */
6031 /* First : get a valid bit rate value */
6032 readCapabilityRid(local, &cap_rid, 1);
6034 /* Which type of value ? */
6035 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6036 /* Setting by rate index */
6037 /* Find value in the magic rate table */
6038 brate = cap_rid.supportedRates[vwrq->value];
6040 /* Setting by frequency value */
6041 u8 normvalue = (u8) (vwrq->value/500000);
6043 /* Check if rate is valid */
6044 for(i = 0 ; i < 8 ; i++) {
6045 if(normvalue == cap_rid.supportedRates[i]) {
6051 /* -1 designed the max rate (mostly auto mode) */
6052 if(vwrq->value == -1) {
6053 /* Get the highest available rate */
6054 for(i = 0 ; i < 8 ; i++) {
6055 if(cap_rid.supportedRates[i] == 0)
6059 brate = cap_rid.supportedRates[i - 1];
6061 /* Check that it is valid */
6066 readConfigRid(local, 1);
6067 /* Now, check if we want a fixed or auto value */
6068 if(vwrq->fixed == 0) {
6069 /* Fill all the rates up to this max rate */
6070 memset(local->config.rates, 0, 8);
6071 for(i = 0 ; i < 8 ; i++) {
6072 local->config.rates[i] = cap_rid.supportedRates[i];
6073 if(local->config.rates[i] == brate)
6078 /* One rate, fixed */
6079 memset(local->config.rates, 0, 8);
6080 local->config.rates[0] = brate;
6082 set_bit (FLAG_COMMIT, &local->flags);
6084 return -EINPROGRESS; /* Call commit handler */
6087 /*------------------------------------------------------------------*/
6089 * Wireless Handler : get Bit-Rate
6091 static int airo_get_rate(struct net_device *dev,
6092 struct iw_request_info *info,
6093 struct iw_param *vwrq,
6096 struct airo_info *local = dev->priv;
6097 StatusRid status_rid; /* Card status info */
6099 readStatusRid(local, &status_rid, 1);
6101 vwrq->value = status_rid.currentXmitRate * 500000;
6102 /* If more than one rate, set auto */
6103 readConfigRid(local, 1);
6104 vwrq->fixed = (local->config.rates[1] == 0);
6109 /*------------------------------------------------------------------*/
6111 * Wireless Handler : set RTS threshold
6113 static int airo_set_rts(struct net_device *dev,
6114 struct iw_request_info *info,
6115 struct iw_param *vwrq,
6118 struct airo_info *local = dev->priv;
6119 int rthr = vwrq->value;
6122 rthr = AIRO_DEF_MTU;
6123 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6126 readConfigRid(local, 1);
6127 local->config.rtsThres = rthr;
6128 set_bit (FLAG_COMMIT, &local->flags);
6130 return -EINPROGRESS; /* Call commit handler */
6133 /*------------------------------------------------------------------*/
6135 * Wireless Handler : get RTS threshold
6137 static int airo_get_rts(struct net_device *dev,
6138 struct iw_request_info *info,
6139 struct iw_param *vwrq,
6142 struct airo_info *local = dev->priv;
6144 readConfigRid(local, 1);
6145 vwrq->value = local->config.rtsThres;
6146 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6152 /*------------------------------------------------------------------*/
6154 * Wireless Handler : set Fragmentation threshold
6156 static int airo_set_frag(struct net_device *dev,
6157 struct iw_request_info *info,
6158 struct iw_param *vwrq,
6161 struct airo_info *local = dev->priv;
6162 int fthr = vwrq->value;
6165 fthr = AIRO_DEF_MTU;
6166 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6169 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6170 readConfigRid(local, 1);
6171 local->config.fragThresh = (u16)fthr;
6172 set_bit (FLAG_COMMIT, &local->flags);
6174 return -EINPROGRESS; /* Call commit handler */
6177 /*------------------------------------------------------------------*/
6179 * Wireless Handler : get Fragmentation threshold
6181 static int airo_get_frag(struct net_device *dev,
6182 struct iw_request_info *info,
6183 struct iw_param *vwrq,
6186 struct airo_info *local = dev->priv;
6188 readConfigRid(local, 1);
6189 vwrq->value = local->config.fragThresh;
6190 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6196 /*------------------------------------------------------------------*/
6198 * Wireless Handler : set Mode of Operation
6200 static int airo_set_mode(struct net_device *dev,
6201 struct iw_request_info *info,
6205 struct airo_info *local = dev->priv;
6208 readConfigRid(local, 1);
6209 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6214 local->config.opmode &= 0xFF00;
6215 local->config.opmode |= MODE_STA_IBSS;
6216 local->config.rmode &= 0xfe00;
6217 local->config.scanMode = SCANMODE_ACTIVE;
6218 clear_bit (FLAG_802_11, &local->flags);
6221 local->config.opmode &= 0xFF00;
6222 local->config.opmode |= MODE_STA_ESS;
6223 local->config.rmode &= 0xfe00;
6224 local->config.scanMode = SCANMODE_ACTIVE;
6225 clear_bit (FLAG_802_11, &local->flags);
6227 case IW_MODE_MASTER:
6228 local->config.opmode &= 0xFF00;
6229 local->config.opmode |= MODE_AP;
6230 local->config.rmode &= 0xfe00;
6231 local->config.scanMode = SCANMODE_ACTIVE;
6232 clear_bit (FLAG_802_11, &local->flags);
6234 case IW_MODE_REPEAT:
6235 local->config.opmode &= 0xFF00;
6236 local->config.opmode |= MODE_AP_RPTR;
6237 local->config.rmode &= 0xfe00;
6238 local->config.scanMode = SCANMODE_ACTIVE;
6239 clear_bit (FLAG_802_11, &local->flags);
6241 case IW_MODE_MONITOR:
6242 local->config.opmode &= 0xFF00;
6243 local->config.opmode |= MODE_STA_ESS;
6244 local->config.rmode &= 0xfe00;
6245 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6246 local->config.scanMode = SCANMODE_PASSIVE;
6247 set_bit (FLAG_802_11, &local->flags);
6253 set_bit (FLAG_RESET, &local->flags);
6254 set_bit (FLAG_COMMIT, &local->flags);
6256 return -EINPROGRESS; /* Call commit handler */
6259 /*------------------------------------------------------------------*/
6261 * Wireless Handler : get Mode of Operation
6263 static int airo_get_mode(struct net_device *dev,
6264 struct iw_request_info *info,
6268 struct airo_info *local = dev->priv;
6270 readConfigRid(local, 1);
6271 /* If not managed, assume it's ad-hoc */
6272 switch (local->config.opmode & 0xFF) {
6274 *uwrq = IW_MODE_INFRA;
6277 *uwrq = IW_MODE_MASTER;
6280 *uwrq = IW_MODE_REPEAT;
6283 *uwrq = IW_MODE_ADHOC;
6289 static inline int valid_index(CapabilityRid *p, int index)
6293 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6296 /*------------------------------------------------------------------*/
6298 * Wireless Handler : set Encryption Key
6300 static int airo_set_encode(struct net_device *dev,
6301 struct iw_request_info *info,
6302 struct iw_point *dwrq,
6305 struct airo_info *local = dev->priv;
6306 CapabilityRid cap_rid; /* Card capability info */
6307 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6308 u16 currentAuthType = local->config.authType;
6310 /* Is WEP supported ? */
6311 readCapabilityRid(local, &cap_rid, 1);
6312 /* Older firmware doesn't support this...
6313 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6316 readConfigRid(local, 1);
6318 /* Basic checking: do we have a key to set ?
6319 * Note : with the new API, it's impossible to get a NULL pointer.
6320 * Therefore, we need to check a key size == 0 instead.
6321 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6322 * when no key is present (only change flags), but older versions
6323 * don't do it. - Jean II */
6324 if (dwrq->length > 0) {
6326 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6327 int current_index = get_wep_key(local, 0xffff);
6328 /* Check the size of the key */
6329 if (dwrq->length > MAX_KEY_SIZE) {
6332 /* Check the index (none -> use current) */
6333 if (!valid_index(&cap_rid, index))
6334 index = current_index;
6335 /* Set the length */
6336 if (dwrq->length > MIN_KEY_SIZE)
6337 key.len = MAX_KEY_SIZE;
6339 if (dwrq->length > 0)
6340 key.len = MIN_KEY_SIZE;
6342 /* Disable the key */
6344 /* Check if the key is not marked as invalid */
6345 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6347 memset(key.key, 0, MAX_KEY_SIZE);
6348 /* Copy the key in the driver */
6349 memcpy(key.key, extra, dwrq->length);
6350 /* Send the key to the card */
6351 set_wep_key(local, index, key.key, key.len, perm, 1);
6353 /* WE specify that if a valid key is set, encryption
6354 * should be enabled (user may turn it off later)
6355 * This is also how "iwconfig ethX key on" works */
6356 if((index == current_index) && (key.len > 0) &&
6357 (local->config.authType == AUTH_OPEN)) {
6358 local->config.authType = AUTH_ENCRYPT;
6361 /* Do we want to just set the transmit key index ? */
6362 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6363 if (valid_index(&cap_rid, index)) {
6364 set_wep_key(local, index, NULL, 0, perm, 1);
6366 /* Don't complain if only change the mode */
6367 if (!(dwrq->flags & IW_ENCODE_MODE))
6370 /* Read the flags */
6371 if(dwrq->flags & IW_ENCODE_DISABLED)
6372 local->config.authType = AUTH_OPEN; // disable encryption
6373 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6374 local->config.authType = AUTH_SHAREDKEY; // Only Both
6375 if(dwrq->flags & IW_ENCODE_OPEN)
6376 local->config.authType = AUTH_ENCRYPT; // Only Wep
6377 /* Commit the changes to flags if needed */
6378 if (local->config.authType != currentAuthType)
6379 set_bit (FLAG_COMMIT, &local->flags);
6380 return -EINPROGRESS; /* Call commit handler */
6383 /*------------------------------------------------------------------*/
6385 * Wireless Handler : get Encryption Key
6387 static int airo_get_encode(struct net_device *dev,
6388 struct iw_request_info *info,
6389 struct iw_point *dwrq,
6392 struct airo_info *local = dev->priv;
6393 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6394 CapabilityRid cap_rid; /* Card capability info */
6396 /* Is it supported ? */
6397 readCapabilityRid(local, &cap_rid, 1);
6398 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6401 readConfigRid(local, 1);
6402 /* Check encryption mode */
6403 switch(local->config.authType) {
6405 dwrq->flags = IW_ENCODE_OPEN;
6407 case AUTH_SHAREDKEY:
6408 dwrq->flags = IW_ENCODE_RESTRICTED;
6412 dwrq->flags = IW_ENCODE_DISABLED;
6415 /* We can't return the key, so set the proper flag and return zero */
6416 dwrq->flags |= IW_ENCODE_NOKEY;
6417 memset(extra, 0, 16);
6419 /* Which key do we want ? -1 -> tx index */
6420 if (!valid_index(&cap_rid, index))
6421 index = get_wep_key(local, 0xffff);
6422 dwrq->flags |= index + 1;
6423 /* Copy the key to the user buffer */
6424 dwrq->length = get_wep_key(local, index);
6425 if (dwrq->length > 16) {
6431 /*------------------------------------------------------------------*/
6433 * Wireless Handler : set extended Encryption parameters
6435 static int airo_set_encodeext(struct net_device *dev,
6436 struct iw_request_info *info,
6437 union iwreq_data *wrqu,
6440 struct airo_info *local = dev->priv;
6441 struct iw_point *encoding = &wrqu->encoding;
6442 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6443 CapabilityRid cap_rid; /* Card capability info */
6444 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6445 u16 currentAuthType = local->config.authType;
6446 int idx, key_len, alg = ext->alg, set_key = 1;
6449 /* Is WEP supported ? */
6450 readCapabilityRid(local, &cap_rid, 1);
6451 /* Older firmware doesn't support this...
6452 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6455 readConfigRid(local, 1);
6457 /* Determine and validate the key index */
6458 idx = encoding->flags & IW_ENCODE_INDEX;
6460 if (!valid_index(&cap_rid, idx - 1))
6464 idx = get_wep_key(local, 0xffff);
6466 if (encoding->flags & IW_ENCODE_DISABLED)
6467 alg = IW_ENCODE_ALG_NONE;
6469 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6470 /* Only set transmit key index here, actual
6471 * key is set below if needed.
6473 set_wep_key(local, idx, NULL, 0, perm, 1);
6474 set_key = ext->key_len > 0 ? 1 : 0;
6478 /* Set the requested key first */
6479 memset(key.key, 0, MAX_KEY_SIZE);
6481 case IW_ENCODE_ALG_NONE:
6484 case IW_ENCODE_ALG_WEP:
6485 if (ext->key_len > MIN_KEY_SIZE) {
6486 key.len = MAX_KEY_SIZE;
6487 } else if (ext->key_len > 0) {
6488 key.len = MIN_KEY_SIZE;
6492 key_len = min (ext->key_len, key.len);
6493 memcpy(key.key, ext->key, key_len);
6498 /* Send the key to the card */
6499 set_wep_key(local, idx, key.key, key.len, perm, 1);
6502 /* Read the flags */
6503 if(encoding->flags & IW_ENCODE_DISABLED)
6504 local->config.authType = AUTH_OPEN; // disable encryption
6505 if(encoding->flags & IW_ENCODE_RESTRICTED)
6506 local->config.authType = AUTH_SHAREDKEY; // Only Both
6507 if(encoding->flags & IW_ENCODE_OPEN)
6508 local->config.authType = AUTH_ENCRYPT; // Only Wep
6509 /* Commit the changes to flags if needed */
6510 if (local->config.authType != currentAuthType)
6511 set_bit (FLAG_COMMIT, &local->flags);
6513 return -EINPROGRESS;
6517 /*------------------------------------------------------------------*/
6519 * Wireless Handler : get extended Encryption parameters
6521 static int airo_get_encodeext(struct net_device *dev,
6522 struct iw_request_info *info,
6523 union iwreq_data *wrqu,
6526 struct airo_info *local = dev->priv;
6527 struct iw_point *encoding = &wrqu->encoding;
6528 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6529 CapabilityRid cap_rid; /* Card capability info */
6530 int idx, max_key_len;
6532 /* Is it supported ? */
6533 readCapabilityRid(local, &cap_rid, 1);
6534 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6537 readConfigRid(local, 1);
6539 max_key_len = encoding->length - sizeof(*ext);
6540 if (max_key_len < 0)
6543 idx = encoding->flags & IW_ENCODE_INDEX;
6545 if (!valid_index(&cap_rid, idx - 1))
6549 idx = get_wep_key(local, 0xffff);
6551 encoding->flags = idx + 1;
6552 memset(ext, 0, sizeof(*ext));
6554 /* Check encryption mode */
6555 switch(local->config.authType) {
6557 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6559 case AUTH_SHAREDKEY:
6560 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6564 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6567 /* We can't return the key, so set the proper flag and return zero */
6568 encoding->flags |= IW_ENCODE_NOKEY;
6569 memset(extra, 0, 16);
6571 /* Copy the key to the user buffer */
6572 ext->key_len = get_wep_key(local, idx);
6573 if (ext->key_len > 16) {
6581 /*------------------------------------------------------------------*/
6583 * Wireless Handler : set extended authentication parameters
6585 static int airo_set_auth(struct net_device *dev,
6586 struct iw_request_info *info,
6587 union iwreq_data *wrqu, char *extra)
6589 struct airo_info *local = dev->priv;
6590 struct iw_param *param = &wrqu->param;
6591 u16 currentAuthType = local->config.authType;
6593 switch (param->flags & IW_AUTH_INDEX) {
6594 case IW_AUTH_WPA_VERSION:
6595 case IW_AUTH_CIPHER_PAIRWISE:
6596 case IW_AUTH_CIPHER_GROUP:
6597 case IW_AUTH_KEY_MGMT:
6598 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6599 case IW_AUTH_PRIVACY_INVOKED:
6601 * airo does not use these parameters
6605 case IW_AUTH_DROP_UNENCRYPTED:
6607 /* Only change auth type if unencrypted */
6608 if (currentAuthType == AUTH_OPEN)
6609 local->config.authType = AUTH_ENCRYPT;
6611 local->config.authType = AUTH_OPEN;
6614 /* Commit the changes to flags if needed */
6615 if (local->config.authType != currentAuthType)
6616 set_bit (FLAG_COMMIT, &local->flags);
6619 case IW_AUTH_80211_AUTH_ALG: {
6620 /* FIXME: What about AUTH_OPEN? This API seems to
6621 * disallow setting our auth to AUTH_OPEN.
6623 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6624 local->config.authType = AUTH_SHAREDKEY;
6625 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6626 local->config.authType = AUTH_ENCRYPT;
6631 /* Commit the changes to flags if needed */
6632 if (local->config.authType != currentAuthType)
6633 set_bit (FLAG_COMMIT, &local->flags);
6636 case IW_AUTH_WPA_ENABLED:
6637 /* Silently accept disable of WPA */
6638 if (param->value > 0)
6645 return -EINPROGRESS;
6649 /*------------------------------------------------------------------*/
6651 * Wireless Handler : get extended authentication parameters
6653 static int airo_get_auth(struct net_device *dev,
6654 struct iw_request_info *info,
6655 union iwreq_data *wrqu, char *extra)
6657 struct airo_info *local = dev->priv;
6658 struct iw_param *param = &wrqu->param;
6659 u16 currentAuthType = local->config.authType;
6661 switch (param->flags & IW_AUTH_INDEX) {
6662 case IW_AUTH_DROP_UNENCRYPTED:
6663 switch (currentAuthType) {
6664 case AUTH_SHAREDKEY:
6674 case IW_AUTH_80211_AUTH_ALG:
6675 switch (currentAuthType) {
6676 case AUTH_SHAREDKEY:
6677 param->value = IW_AUTH_ALG_SHARED_KEY;
6681 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6686 case IW_AUTH_WPA_ENABLED:
6697 /*------------------------------------------------------------------*/
6699 * Wireless Handler : set Tx-Power
6701 static int airo_set_txpow(struct net_device *dev,
6702 struct iw_request_info *info,
6703 struct iw_param *vwrq,
6706 struct airo_info *local = dev->priv;
6707 CapabilityRid cap_rid; /* Card capability info */
6711 readCapabilityRid(local, &cap_rid, 1);
6713 if (vwrq->disabled) {
6714 set_bit (FLAG_RADIO_OFF, &local->flags);
6715 set_bit (FLAG_COMMIT, &local->flags);
6716 return -EINPROGRESS; /* Call commit handler */
6718 if (vwrq->flags != IW_TXPOW_MWATT) {
6721 clear_bit (FLAG_RADIO_OFF, &local->flags);
6722 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6723 if (vwrq->value == le16_to_cpu(cap_rid.txPowerLevels[i])) {
6724 readConfigRid(local, 1);
6725 local->config.txPower = vwrq->value;
6726 set_bit (FLAG_COMMIT, &local->flags);
6727 rc = -EINPROGRESS; /* Call commit handler */
6733 /*------------------------------------------------------------------*/
6735 * Wireless Handler : get Tx-Power
6737 static int airo_get_txpow(struct net_device *dev,
6738 struct iw_request_info *info,
6739 struct iw_param *vwrq,
6742 struct airo_info *local = dev->priv;
6744 readConfigRid(local, 1);
6745 vwrq->value = local->config.txPower;
6746 vwrq->fixed = 1; /* No power control */
6747 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6748 vwrq->flags = IW_TXPOW_MWATT;
6753 /*------------------------------------------------------------------*/
6755 * Wireless Handler : set Retry limits
6757 static int airo_set_retry(struct net_device *dev,
6758 struct iw_request_info *info,
6759 struct iw_param *vwrq,
6762 struct airo_info *local = dev->priv;
6765 if(vwrq->disabled) {
6768 readConfigRid(local, 1);
6769 if(vwrq->flags & IW_RETRY_LIMIT) {
6770 if(vwrq->flags & IW_RETRY_LONG)
6771 local->config.longRetryLimit = vwrq->value;
6772 else if (vwrq->flags & IW_RETRY_SHORT)
6773 local->config.shortRetryLimit = vwrq->value;
6775 /* No modifier : set both */
6776 local->config.longRetryLimit = vwrq->value;
6777 local->config.shortRetryLimit = vwrq->value;
6779 set_bit (FLAG_COMMIT, &local->flags);
6780 rc = -EINPROGRESS; /* Call commit handler */
6782 if(vwrq->flags & IW_RETRY_LIFETIME) {
6783 local->config.txLifetime = vwrq->value / 1024;
6784 set_bit (FLAG_COMMIT, &local->flags);
6785 rc = -EINPROGRESS; /* Call commit handler */
6790 /*------------------------------------------------------------------*/
6792 * Wireless Handler : get Retry limits
6794 static int airo_get_retry(struct net_device *dev,
6795 struct iw_request_info *info,
6796 struct iw_param *vwrq,
6799 struct airo_info *local = dev->priv;
6801 vwrq->disabled = 0; /* Can't be disabled */
6803 readConfigRid(local, 1);
6804 /* Note : by default, display the min retry number */
6805 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6806 vwrq->flags = IW_RETRY_LIFETIME;
6807 vwrq->value = (int)local->config.txLifetime * 1024;
6808 } else if((vwrq->flags & IW_RETRY_LONG)) {
6809 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6810 vwrq->value = (int)local->config.longRetryLimit;
6812 vwrq->flags = IW_RETRY_LIMIT;
6813 vwrq->value = (int)local->config.shortRetryLimit;
6814 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6815 vwrq->flags |= IW_RETRY_SHORT;
6821 /*------------------------------------------------------------------*/
6823 * Wireless Handler : get range info
6825 static int airo_get_range(struct net_device *dev,
6826 struct iw_request_info *info,
6827 struct iw_point *dwrq,
6830 struct airo_info *local = dev->priv;
6831 struct iw_range *range = (struct iw_range *) extra;
6832 CapabilityRid cap_rid; /* Card capability info */
6836 readCapabilityRid(local, &cap_rid, 1);
6838 dwrq->length = sizeof(struct iw_range);
6839 memset(range, 0, sizeof(*range));
6840 range->min_nwid = 0x0000;
6841 range->max_nwid = 0x0000;
6842 range->num_channels = 14;
6843 /* Should be based on cap_rid.country to give only
6844 * what the current card support */
6846 for(i = 0; i < 14; i++) {
6847 range->freq[k].i = i + 1; /* List index */
6848 range->freq[k].m = frequency_list[i] * 100000;
6849 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6851 range->num_frequency = k;
6853 range->sensitivity = 65535;
6855 /* Hum... Should put the right values there */
6857 range->max_qual.qual = 100; /* % */
6859 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6860 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6861 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6863 /* Experimental measurements - boundary 11/5.5 Mb/s */
6864 /* Note : with or without the (local->rssi), results
6865 * are somewhat different. - Jean II */
6867 range->avg_qual.qual = 50; /* % */
6868 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6870 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6871 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6873 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6875 for(i = 0 ; i < 8 ; i++) {
6876 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6877 if(range->bitrate[i] == 0)
6880 range->num_bitrates = i;
6882 /* Set an indication of the max TCP throughput
6883 * in bit/s that we can expect using this interface.
6884 * May be use for QoS stuff... Jean II */
6886 range->throughput = 5000 * 1000;
6888 range->throughput = 1500 * 1000;
6891 range->max_rts = AIRO_DEF_MTU;
6892 range->min_frag = 256;
6893 range->max_frag = AIRO_DEF_MTU;
6895 if(cap_rid.softCap & cpu_to_le16(2)) {
6897 range->encoding_size[0] = 5;
6899 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6900 range->encoding_size[1] = 13;
6901 range->num_encoding_sizes = 2;
6903 range->num_encoding_sizes = 1;
6904 range->max_encoding_tokens =
6905 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6907 range->num_encoding_sizes = 0;
6908 range->max_encoding_tokens = 0;
6911 range->max_pmp = 5000000; /* 5 secs */
6913 range->max_pmt = 65535 * 1024; /* ??? */
6914 range->pmp_flags = IW_POWER_PERIOD;
6915 range->pmt_flags = IW_POWER_TIMEOUT;
6916 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6918 /* Transmit Power - values are in mW */
6919 for(i = 0 ; i < 8 ; i++) {
6920 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6921 if(range->txpower[i] == 0)
6924 range->num_txpower = i;
6925 range->txpower_capa = IW_TXPOW_MWATT;
6926 range->we_version_source = 19;
6927 range->we_version_compiled = WIRELESS_EXT;
6928 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6929 range->retry_flags = IW_RETRY_LIMIT;
6930 range->r_time_flags = IW_RETRY_LIFETIME;
6931 range->min_retry = 1;
6932 range->max_retry = 65535;
6933 range->min_r_time = 1024;
6934 range->max_r_time = 65535 * 1024;
6936 /* Event capability (kernel + driver) */
6937 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6938 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6939 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6940 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6941 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6942 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6946 /*------------------------------------------------------------------*/
6948 * Wireless Handler : set Power Management
6950 static int airo_set_power(struct net_device *dev,
6951 struct iw_request_info *info,
6952 struct iw_param *vwrq,
6955 struct airo_info *local = dev->priv;
6957 readConfigRid(local, 1);
6958 if (vwrq->disabled) {
6959 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6962 local->config.powerSaveMode = POWERSAVE_CAM;
6963 local->config.rmode &= 0xFF00;
6964 local->config.rmode |= RXMODE_BC_MC_ADDR;
6965 set_bit (FLAG_COMMIT, &local->flags);
6966 return -EINPROGRESS; /* Call commit handler */
6968 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6969 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6970 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6971 set_bit (FLAG_COMMIT, &local->flags);
6972 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6973 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6974 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6975 set_bit (FLAG_COMMIT, &local->flags);
6977 switch (vwrq->flags & IW_POWER_MODE) {
6978 case IW_POWER_UNICAST_R:
6979 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6982 local->config.rmode &= 0xFF00;
6983 local->config.rmode |= RXMODE_ADDR;
6984 set_bit (FLAG_COMMIT, &local->flags);
6986 case IW_POWER_ALL_R:
6987 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6990 local->config.rmode &= 0xFF00;
6991 local->config.rmode |= RXMODE_BC_MC_ADDR;
6992 set_bit (FLAG_COMMIT, &local->flags);
6994 /* This is broken, fixme ;-) */
6999 // Note : we may want to factor local->need_commit here
7000 // Note2 : may also want to factor RXMODE_RFMON test
7001 return -EINPROGRESS; /* Call commit handler */
7004 /*------------------------------------------------------------------*/
7006 * Wireless Handler : get Power Management
7008 static int airo_get_power(struct net_device *dev,
7009 struct iw_request_info *info,
7010 struct iw_param *vwrq,
7013 struct airo_info *local = dev->priv;
7016 readConfigRid(local, 1);
7017 mode = local->config.powerSaveMode;
7018 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7020 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7021 vwrq->value = (int)local->config.fastListenDelay * 1024;
7022 vwrq->flags = IW_POWER_TIMEOUT;
7024 vwrq->value = (int)local->config.fastListenInterval * 1024;
7025 vwrq->flags = IW_POWER_PERIOD;
7027 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7028 vwrq->flags |= IW_POWER_UNICAST_R;
7030 vwrq->flags |= IW_POWER_ALL_R;
7035 /*------------------------------------------------------------------*/
7037 * Wireless Handler : set Sensitivity
7039 static int airo_set_sens(struct net_device *dev,
7040 struct iw_request_info *info,
7041 struct iw_param *vwrq,
7044 struct airo_info *local = dev->priv;
7046 readConfigRid(local, 1);
7047 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7048 set_bit (FLAG_COMMIT, &local->flags);
7050 return -EINPROGRESS; /* Call commit handler */
7053 /*------------------------------------------------------------------*/
7055 * Wireless Handler : get Sensitivity
7057 static int airo_get_sens(struct net_device *dev,
7058 struct iw_request_info *info,
7059 struct iw_param *vwrq,
7062 struct airo_info *local = dev->priv;
7064 readConfigRid(local, 1);
7065 vwrq->value = local->config.rssiThreshold;
7066 vwrq->disabled = (vwrq->value == 0);
7072 /*------------------------------------------------------------------*/
7074 * Wireless Handler : get AP List
7075 * Note : this is deprecated in favor of IWSCAN
7077 static int airo_get_aplist(struct net_device *dev,
7078 struct iw_request_info *info,
7079 struct iw_point *dwrq,
7082 struct airo_info *local = dev->priv;
7083 struct sockaddr *address = (struct sockaddr *) extra;
7084 struct iw_quality qual[IW_MAX_AP];
7087 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7089 for (i = 0; i < IW_MAX_AP; i++) {
7091 if (readBSSListRid(local, loseSync, &BSSList))
7094 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7095 address[i].sa_family = ARPHRD_ETHER;
7096 dBm = le16_to_cpu(BSSList.dBm);
7098 qual[i].level = 0x100 - dBm;
7099 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7100 qual[i].updated = IW_QUAL_QUAL_UPDATED
7101 | IW_QUAL_LEVEL_UPDATED
7104 qual[i].level = (dBm + 321) / 2;
7106 qual[i].updated = IW_QUAL_QUAL_INVALID
7107 | IW_QUAL_LEVEL_UPDATED
7110 qual[i].noise = local->wstats.qual.noise;
7111 if (BSSList.index == cpu_to_le16(0xffff))
7115 StatusRid status_rid; /* Card status info */
7116 readStatusRid(local, &status_rid, 1);
7118 i < min(IW_MAX_AP, 4) &&
7119 (status_rid.bssid[i][0]
7120 & status_rid.bssid[i][1]
7121 & status_rid.bssid[i][2]
7122 & status_rid.bssid[i][3]
7123 & status_rid.bssid[i][4]
7124 & status_rid.bssid[i][5])!=0xff &&
7125 (status_rid.bssid[i][0]
7126 | status_rid.bssid[i][1]
7127 | status_rid.bssid[i][2]
7128 | status_rid.bssid[i][3]
7129 | status_rid.bssid[i][4]
7130 | status_rid.bssid[i][5]);
7132 memcpy(address[i].sa_data,
7133 status_rid.bssid[i], ETH_ALEN);
7134 address[i].sa_family = ARPHRD_ETHER;
7137 dwrq->flags = 1; /* Should be define'd */
7138 memcpy(extra + sizeof(struct sockaddr)*i,
7139 &qual, sizeof(struct iw_quality)*i);
7146 /*------------------------------------------------------------------*/
7148 * Wireless Handler : Initiate Scan
7150 static int airo_set_scan(struct net_device *dev,
7151 struct iw_request_info *info,
7152 struct iw_param *vwrq,
7155 struct airo_info *ai = dev->priv;
7160 /* Note : you may have realised that, as this is a SET operation,
7161 * this is privileged and therefore a normal user can't
7163 * This is not an error, while the device perform scanning,
7164 * traffic doesn't flow, so it's a perfect DoS...
7166 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7168 if (down_interruptible(&ai->sem))
7169 return -ERESTARTSYS;
7171 /* If there's already a scan in progress, don't
7172 * trigger another one. */
7173 if (ai->scan_timeout > 0)
7176 /* Initiate a scan command */
7177 ai->scan_timeout = RUN_AT(3*HZ);
7178 memset(&cmd, 0, sizeof(cmd));
7179 cmd.cmd=CMD_LISTBSS;
7180 issuecommand(ai, &cmd, &rsp);
7186 wake_up_interruptible(&ai->thr_wait);
7190 /*------------------------------------------------------------------*/
7192 * Translate scan data returned from the card to a card independent
7193 * format that the Wireless Tools will understand - Jean II
7195 static inline char *airo_translate_scan(struct net_device *dev,
7200 struct airo_info *ai = dev->priv;
7201 struct iw_event iwe; /* Temporary buffer */
7202 __le16 capabilities;
7203 char * current_val; /* For rates */
7208 /* First entry *MUST* be the AP MAC address */
7209 iwe.cmd = SIOCGIWAP;
7210 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7211 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7212 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7214 /* Other entries will be displayed in the order we give them */
7217 iwe.u.data.length = bss->ssidLen;
7218 if(iwe.u.data.length > 32)
7219 iwe.u.data.length = 32;
7220 iwe.cmd = SIOCGIWESSID;
7221 iwe.u.data.flags = 1;
7222 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7225 iwe.cmd = SIOCGIWMODE;
7226 capabilities = bss->cap;
7227 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7228 if(capabilities & CAP_ESS)
7229 iwe.u.mode = IW_MODE_MASTER;
7231 iwe.u.mode = IW_MODE_ADHOC;
7232 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7236 iwe.cmd = SIOCGIWFREQ;
7237 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7238 /* iwe.u.freq.m containt the channel (starting 1), our
7239 * frequency_list array start at index 0...
7241 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7243 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7245 dBm = le16_to_cpu(bss->dBm);
7247 /* Add quality statistics */
7250 iwe.u.qual.level = 0x100 - dBm;
7251 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7252 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7253 | IW_QUAL_LEVEL_UPDATED
7256 iwe.u.qual.level = (dBm + 321) / 2;
7257 iwe.u.qual.qual = 0;
7258 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7259 | IW_QUAL_LEVEL_UPDATED
7262 iwe.u.qual.noise = ai->wstats.qual.noise;
7263 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7265 /* Add encryption capability */
7266 iwe.cmd = SIOCGIWENCODE;
7267 if(capabilities & CAP_PRIVACY)
7268 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7270 iwe.u.data.flags = IW_ENCODE_DISABLED;
7271 iwe.u.data.length = 0;
7272 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7274 /* Rate : stuffing multiple values in a single event require a bit
7275 * more of magic - Jean II */
7276 current_val = current_ev + IW_EV_LCP_LEN;
7278 iwe.cmd = SIOCGIWRATE;
7279 /* Those two flags are ignored... */
7280 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7282 for(i = 0 ; i < 8 ; i++) {
7283 /* NULL terminated */
7284 if(bss->rates[i] == 0)
7286 /* Bit rate given in 500 kb/s units (+ 0x80) */
7287 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7288 /* Add new value to event */
7289 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7291 /* Check if we added any event */
7292 if((current_val - current_ev) > IW_EV_LCP_LEN)
7293 current_ev = current_val;
7295 /* Beacon interval */
7296 buf = kmalloc(30, GFP_KERNEL);
7298 iwe.cmd = IWEVCUSTOM;
7299 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7300 iwe.u.data.length = strlen(buf);
7301 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7305 /* Put WPA/RSN Information Elements into the event stream */
7306 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7307 unsigned int num_null_ies = 0;
7308 u16 length = sizeof (bss->extra.iep);
7309 struct ieee80211_info_element *info_element =
7310 (struct ieee80211_info_element *) &bss->extra.iep;
7312 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7313 if (sizeof(*info_element) + info_element->len > length) {
7314 /* Invalid element, don't continue parsing IE */
7318 switch (info_element->id) {
7319 case MFIE_TYPE_SSID:
7320 /* Two zero-length SSID elements
7321 * mean we're done parsing elements */
7322 if (!info_element->len)
7326 case MFIE_TYPE_GENERIC:
7327 if (info_element->len >= 4 &&
7328 info_element->data[0] == 0x00 &&
7329 info_element->data[1] == 0x50 &&
7330 info_element->data[2] == 0xf2 &&
7331 info_element->data[3] == 0x01) {
7332 iwe.cmd = IWEVGENIE;
7333 iwe.u.data.length = min(info_element->len + 2,
7335 current_ev = iwe_stream_add_point(current_ev, end_buf,
7336 &iwe, (char *) info_element);
7341 iwe.cmd = IWEVGENIE;
7342 iwe.u.data.length = min(info_element->len + 2,
7344 current_ev = iwe_stream_add_point(current_ev, end_buf,
7345 &iwe, (char *) info_element);
7352 length -= sizeof(*info_element) + info_element->len;
7354 (struct ieee80211_info_element *)&info_element->
7355 data[info_element->len];
7361 /*------------------------------------------------------------------*/
7363 * Wireless Handler : Read Scan Results
7365 static int airo_get_scan(struct net_device *dev,
7366 struct iw_request_info *info,
7367 struct iw_point *dwrq,
7370 struct airo_info *ai = dev->priv;
7371 BSSListElement *net;
7373 char *current_ev = extra;
7375 /* If a scan is in-progress, return -EAGAIN */
7376 if (ai->scan_timeout > 0)
7379 if (down_interruptible(&ai->sem))
7382 list_for_each_entry (net, &ai->network_list, list) {
7383 /* Translate to WE format this entry */
7384 current_ev = airo_translate_scan(dev, current_ev,
7385 extra + dwrq->length,
7388 /* Check if there is space for one more entry */
7389 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7390 /* Ask user space to try again with a bigger buffer */
7396 /* Length of data */
7397 dwrq->length = (current_ev - extra);
7398 dwrq->flags = 0; /* todo */
7405 /*------------------------------------------------------------------*/
7407 * Commit handler : called after a bunch of SET operations
7409 static int airo_config_commit(struct net_device *dev,
7410 struct iw_request_info *info, /* NULL */
7411 void *zwrq, /* NULL */
7412 char *extra) /* NULL */
7414 struct airo_info *local = dev->priv;
7416 if (!test_bit (FLAG_COMMIT, &local->flags))
7419 /* Some of the "SET" function may have modified some of the
7420 * parameters. It's now time to commit them in the card */
7421 disable_MAC(local, 1);
7422 if (test_bit (FLAG_RESET, &local->flags)) {
7423 APListRid APList_rid;
7426 readAPListRid(local, &APList_rid);
7427 readSsidRid(local, &SSID_rid);
7428 if (test_bit(FLAG_MPI,&local->flags))
7429 setup_card(local, dev->dev_addr, 1 );
7431 reset_airo_card(dev);
7432 disable_MAC(local, 1);
7433 writeSsidRid(local, &SSID_rid, 1);
7434 writeAPListRid(local, &APList_rid, 1);
7436 if (down_interruptible(&local->sem))
7437 return -ERESTARTSYS;
7438 writeConfigRid(local, 0);
7439 enable_MAC(local, 0);
7440 if (test_bit (FLAG_RESET, &local->flags))
7441 airo_set_promisc(local);
7448 /*------------------------------------------------------------------*/
7450 * Structures to export the Wireless Handlers
7453 static const struct iw_priv_args airo_private_args[] = {
7454 /*{ cmd, set_args, get_args, name } */
7455 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7456 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7457 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7458 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7461 static const iw_handler airo_handler[] =
7463 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7464 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7465 (iw_handler) NULL, /* SIOCSIWNWID */
7466 (iw_handler) NULL, /* SIOCGIWNWID */
7467 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7468 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7469 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7470 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7471 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7472 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7473 (iw_handler) NULL, /* SIOCSIWRANGE */
7474 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7475 (iw_handler) NULL, /* SIOCSIWPRIV */
7476 (iw_handler) NULL, /* SIOCGIWPRIV */
7477 (iw_handler) NULL, /* SIOCSIWSTATS */
7478 (iw_handler) NULL, /* SIOCGIWSTATS */
7479 iw_handler_set_spy, /* SIOCSIWSPY */
7480 iw_handler_get_spy, /* SIOCGIWSPY */
7481 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7482 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7483 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7484 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7485 (iw_handler) NULL, /* -- hole -- */
7486 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7487 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7488 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7489 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7490 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7491 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7492 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7493 (iw_handler) NULL, /* -- hole -- */
7494 (iw_handler) NULL, /* -- hole -- */
7495 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7496 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7497 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7498 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7499 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7500 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7501 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7502 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7503 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7504 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7505 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7506 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7507 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7508 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7509 (iw_handler) NULL, /* -- hole -- */
7510 (iw_handler) NULL, /* -- hole -- */
7511 (iw_handler) NULL, /* SIOCSIWGENIE */
7512 (iw_handler) NULL, /* SIOCGIWGENIE */
7513 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7514 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7515 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7516 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7517 (iw_handler) NULL, /* SIOCSIWPMKSA */
7520 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7521 * We want to force the use of the ioctl code, because those can't be
7522 * won't work the iw_handler code (because they simultaneously read
7523 * and write data and iw_handler can't do that).
7524 * Note that it's perfectly legal to read/write on a single ioctl command,
7525 * you just can't use iwpriv and need to force it via the ioctl handler.
7527 static const iw_handler airo_private_handler[] =
7529 NULL, /* SIOCIWFIRSTPRIV */
7532 static const struct iw_handler_def airo_handler_def =
7534 .num_standard = ARRAY_SIZE(airo_handler),
7535 .num_private = ARRAY_SIZE(airo_private_handler),
7536 .num_private_args = ARRAY_SIZE(airo_private_args),
7537 .standard = airo_handler,
7538 .private = airo_private_handler,
7539 .private_args = airo_private_args,
7540 .get_wireless_stats = airo_get_wireless_stats,
7544 * This defines the configuration part of the Wireless Extensions
7545 * Note : irq and spinlock protection will occur in the subroutines
7548 * o Check input value more carefully and fill correct values in range
7549 * o Test and shakeout the bugs (if any)
7553 * Javier Achirica did a great job of merging code from the unnamed CISCO
7554 * developer that added support for flashing the card.
7556 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7559 struct airo_info *ai = (struct airo_info *)dev->priv;
7561 if (ai->power.event)
7571 int val = AIROMAGIC;
7573 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7575 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7584 /* Get the command struct and hand it off for evaluation by
7585 * the proper subfunction
7589 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7594 /* Separate R/W functions bracket legality here
7596 if ( com.command == AIRORSWVERSION ) {
7597 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7602 else if ( com.command <= AIRORRID)
7603 rc = readrids(dev,&com);
7604 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7605 rc = writerids(dev,&com);
7606 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7607 rc = flashcard(dev,&com);
7609 rc = -EINVAL; /* Bad command in ioctl */
7612 #endif /* CISCO_EXT */
7614 // All other calls are currently unsupported
7622 * Get the Wireless stats out of the driver
7623 * Note : irq and spinlock protection will occur in the subroutines
7626 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7630 static void airo_read_wireless_stats(struct airo_info *local)
7632 StatusRid status_rid;
7634 CapabilityRid cap_rid;
7635 __le32 *vals = stats_rid.vals;
7637 /* Get stats out of the card */
7638 clear_bit(JOB_WSTATS, &local->jobs);
7639 if (local->power.event) {
7643 readCapabilityRid(local, &cap_rid, 0);
7644 readStatusRid(local, &status_rid, 0);
7645 readStatsRid(local, &stats_rid, RID_STATS, 0);
7649 local->wstats.status = status_rid.mode;
7651 /* Signal quality and co */
7653 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7654 /* normalizedSignalStrength appears to be a percentage */
7655 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7657 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7658 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7660 if (status_rid.len >= 124) {
7661 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7662 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7664 local->wstats.qual.noise = 0;
7665 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7668 /* Packets discarded in the wireless adapter due to wireless
7669 * specific problems */
7670 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7671 le32_to_cpu(vals[57]) +
7672 le32_to_cpu(vals[58]); /* SSID Mismatch */
7673 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7674 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7675 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7676 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7677 le32_to_cpu(vals[32]);
7678 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7681 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7683 struct airo_info *local = dev->priv;
7685 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7686 /* Get stats out of the card if available */
7687 if (down_trylock(&local->sem) != 0) {
7688 set_bit(JOB_WSTATS, &local->jobs);
7689 wake_up_interruptible(&local->thr_wait);
7691 airo_read_wireless_stats(local);
7694 return &local->wstats;
7699 * This just translates from driver IOCTL codes to the command codes to
7700 * feed to the radio's host interface. Things can be added/deleted
7701 * as needed. This represents the READ side of control I/O to
7704 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7705 unsigned short ridcode;
7706 unsigned char *iobuf;
7708 struct airo_info *ai = dev->priv;
7710 if (test_bit(FLAG_FLASHING, &ai->flags))
7713 switch(comp->command)
7715 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7716 case AIROGCFG: ridcode = RID_CONFIG;
7717 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7718 disable_MAC (ai, 1);
7719 writeConfigRid (ai, 1);
7723 case AIROGSLIST: ridcode = RID_SSID; break;
7724 case AIROGVLIST: ridcode = RID_APLIST; break;
7725 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7726 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7727 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7728 /* Only super-user can read WEP keys */
7729 if (!capable(CAP_NET_ADMIN))
7732 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7733 /* Only super-user can read WEP keys */
7734 if (!capable(CAP_NET_ADMIN))
7737 case AIROGSTAT: ridcode = RID_STATUS; break;
7738 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7739 case AIROGSTATSC32: ridcode = RID_STATS; break;
7741 if (copy_to_user(comp->data, &ai->micstats,
7742 min((int)comp->len,(int)sizeof(ai->micstats))))
7745 case AIRORRID: ridcode = comp->ridnum; break;
7751 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7754 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7755 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7756 * then return it to the user
7757 * 9/22/2000 Honor user given length
7761 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7770 * Danger Will Robinson write the rids here
7773 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7774 struct airo_info *ai = dev->priv;
7777 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7778 unsigned char *iobuf;
7780 /* Only super-user can write RIDs */
7781 if (!capable(CAP_NET_ADMIN))
7784 if (test_bit(FLAG_FLASHING, &ai->flags))
7788 writer = do_writerid;
7790 switch(comp->command)
7792 case AIROPSIDS: ridcode = RID_SSID; break;
7793 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7794 case AIROPAPLIST: ridcode = RID_APLIST; break;
7795 case AIROPCFG: ai->config.len = 0;
7796 clear_bit(FLAG_COMMIT, &ai->flags);
7797 ridcode = RID_CONFIG; break;
7798 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7799 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7800 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7801 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7803 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7804 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7806 /* this is not really a rid but a command given to the card
7810 if (enable_MAC(ai, 1) != 0)
7815 * Evidently this code in the airo driver does not get a symbol
7816 * as disable_MAC. it's probably so short the compiler does not gen one.
7822 /* This command merely clears the counts does not actually store any data
7823 * only reads rid. But as it changes the cards state, I put it in the
7824 * writerid routines.
7827 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7830 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7832 enabled = ai->micstats.enabled;
7833 memset(&ai->micstats,0,sizeof(ai->micstats));
7834 ai->micstats.enabled = enabled;
7836 if (copy_to_user(comp->data, iobuf,
7837 min((int)comp->len, (int)RIDSIZE))) {
7845 return -EOPNOTSUPP; /* Blarg! */
7847 if(comp->len > RIDSIZE)
7850 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7853 if (copy_from_user(iobuf,comp->data,comp->len)) {
7858 if (comp->command == AIROPCFG) {
7859 ConfigRid *cfg = (ConfigRid *)iobuf;
7861 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7862 cfg->opmode |= cpu_to_le16(MODE_MIC);
7864 if ((le16_to_cpu(cfg->opmode) & 0xFF) == MODE_STA_IBSS)
7865 set_bit (FLAG_ADHOC, &ai->flags);
7867 clear_bit (FLAG_ADHOC, &ai->flags);
7870 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7878 /*****************************************************************************
7879 * Ancillary flash / mod functions much black magic lurkes here *
7880 *****************************************************************************
7884 * Flash command switch table
7887 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7890 /* Only super-user can modify flash */
7891 if (!capable(CAP_NET_ADMIN))
7894 switch(comp->command)
7897 return cmdreset((struct airo_info *)dev->priv);
7900 if (!((struct airo_info *)dev->priv)->flash &&
7901 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7903 return setflashmode((struct airo_info *)dev->priv);
7905 case AIROFLSHGCHR: /* Get char from aux */
7906 if(comp->len != sizeof(int))
7908 if (copy_from_user(&z,comp->data,comp->len))
7910 return flashgchar((struct airo_info *)dev->priv,z,8000);
7912 case AIROFLSHPCHR: /* Send char to card. */
7913 if(comp->len != sizeof(int))
7915 if (copy_from_user(&z,comp->data,comp->len))
7917 return flashpchar((struct airo_info *)dev->priv,z,8000);
7919 case AIROFLPUTBUF: /* Send 32k to card */
7920 if (!((struct airo_info *)dev->priv)->flash)
7922 if(comp->len > FLASHSIZE)
7924 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7927 flashputbuf((struct airo_info *)dev->priv);
7931 if(flashrestart((struct airo_info *)dev->priv,dev))
7938 #define FLASH_COMMAND 0x7e7e
7942 * Disable MAC and do soft reset on
7946 static int cmdreset(struct airo_info *ai) {
7950 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7954 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7956 ssleep(1); /* WAS 600 12/7/00 */
7959 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7966 * Put the card in legendary flash
7970 static int setflashmode (struct airo_info *ai) {
7971 set_bit (FLAG_FLASHING, &ai->flags);
7973 OUT4500(ai, SWS0, FLASH_COMMAND);
7974 OUT4500(ai, SWS1, FLASH_COMMAND);
7976 OUT4500(ai, SWS0, FLASH_COMMAND);
7977 OUT4500(ai, COMMAND,0x10);
7979 OUT4500(ai, SWS2, FLASH_COMMAND);
7980 OUT4500(ai, SWS3, FLASH_COMMAND);
7981 OUT4500(ai, COMMAND,0);
7983 msleep(500); /* 500ms delay */
7986 clear_bit (FLAG_FLASHING, &ai->flags);
7987 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7993 /* Put character to SWS0 wait for dwelltime
7997 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8008 /* Wait for busy bit d15 to go false indicating buffer empty */
8009 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8014 /* timeout for busy clear wait */
8016 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8020 /* Port is clear now write byte and wait for it to echo back */
8022 OUT4500(ai,SWS0,byte);
8025 echo = IN4500(ai,SWS1);
8026 } while (dwelltime >= 0 && echo != byte);
8030 return (echo == byte) ? 0 : -EIO;
8034 * Get a character from the card matching matchbyte
8037 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8039 unsigned char rbyte=0;
8042 rchar = IN4500(ai,SWS1);
8044 if(dwelltime && !(0x8000 & rchar)){
8049 rbyte = 0xff & rchar;
8051 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8055 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8059 }while(dwelltime > 0);
8064 * Transfer 32k of firmware data from user buffer to our buffer and
8068 static int flashputbuf(struct airo_info *ai){
8072 if (test_bit(FLAG_MPI,&ai->flags))
8073 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8075 OUT4500(ai,AUXPAGE,0x100);
8076 OUT4500(ai,AUXOFF,0);
8078 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8079 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8082 OUT4500(ai,SWS0,0x8000);
8090 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8093 ssleep(1); /* Added 12/7/00 */
8094 clear_bit (FLAG_FLASHING, &ai->flags);
8095 if (test_bit(FLAG_MPI, &ai->flags)) {
8096 status = mpi_init_descriptors(ai);
8097 if (status != SUCCESS)
8100 status = setup_card(ai, dev->dev_addr, 1);
8102 if (!test_bit(FLAG_MPI,&ai->flags))
8103 for( i = 0; i < MAX_FIDS; i++ ) {
8104 ai->fids[i] = transmit_allocate
8105 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8108 ssleep(1); /* Added 12/7/00 */
8111 #endif /* CISCO_EXT */
8114 This program is free software; you can redistribute it and/or
8115 modify it under the terms of the GNU General Public License
8116 as published by the Free Software Foundation; either version 2
8117 of the License, or (at your option) any later version.
8119 This program is distributed in the hope that it will be useful,
8120 but WITHOUT ANY WARRANTY; without even the implied warranty of
8121 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8122 GNU General Public License for more details.
8126 Redistribution and use in source and binary forms, with or without
8127 modification, are permitted provided that the following conditions
8130 1. Redistributions of source code must retain the above copyright
8131 notice, this list of conditions and the following disclaimer.
8132 2. Redistributions in binary form must reproduce the above copyright
8133 notice, this list of conditions and the following disclaimer in the
8134 documentation and/or other materials provided with the distribution.
8135 3. The name of the author may not be used to endorse or promote
8136 products derived from this software without specific prior written
8139 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8140 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8141 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8142 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8143 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8144 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8145 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8146 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8147 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8148 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8149 POSSIBILITY OF SUCH DAMAGE.
8152 module_init(airo_init_module);
8153 module_exit(airo_cleanup_module);