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);
1869 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1870 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1871 aplr->len = le16_to_cpu(aplr->len);
1874 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1876 aplr->len = cpu_to_le16(aplr->len);
1877 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1881 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock)
1883 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1886 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock)
1888 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1891 static void try_auto_wep(struct airo_info *ai)
1893 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1894 ai->expires = RUN_AT(3*HZ);
1895 wake_up_interruptible(&ai->thr_wait);
1899 static int airo_open(struct net_device *dev) {
1900 struct airo_info *ai = dev->priv;
1903 if (test_bit(FLAG_FLASHING, &ai->flags))
1906 /* Make sure the card is configured.
1907 * Wireless Extensions may postpone config changes until the card
1908 * is open (to pipeline changes and speed-up card setup). If
1909 * those changes are not yet commited, do it now - Jean II */
1910 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1912 writeConfigRid(ai, 1);
1915 if (ai->wifidev != dev) {
1916 clear_bit(JOB_DIE, &ai->jobs);
1917 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1918 if (IS_ERR(ai->airo_thread_task))
1919 return (int)PTR_ERR(ai->airo_thread_task);
1921 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1924 airo_print_err(dev->name,
1925 "register interrupt %d failed, rc %d",
1927 set_bit(JOB_DIE, &ai->jobs);
1928 kthread_stop(ai->airo_thread_task);
1932 /* Power on the MAC controller (which may have been disabled) */
1933 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1934 enable_interrupts(ai);
1940 netif_start_queue(dev);
1944 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1945 int npacks, pending;
1946 unsigned long flags;
1947 struct airo_info *ai = dev->priv;
1950 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1953 npacks = skb_queue_len (&ai->txq);
1955 if (npacks >= MAXTXQ - 1) {
1956 netif_stop_queue (dev);
1957 if (npacks > MAXTXQ) {
1958 ai->stats.tx_fifo_errors++;
1961 skb_queue_tail (&ai->txq, skb);
1965 spin_lock_irqsave(&ai->aux_lock, flags);
1966 skb_queue_tail (&ai->txq, skb);
1967 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1968 spin_unlock_irqrestore(&ai->aux_lock,flags);
1969 netif_wake_queue (dev);
1972 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1973 mpi_send_packet (dev);
1981 * Attempt to transmit a packet. Can be called from interrupt
1982 * or transmit . return number of packets we tried to send
1985 static int mpi_send_packet (struct net_device *dev)
1987 struct sk_buff *skb;
1988 unsigned char *buffer;
1991 struct airo_info *ai = dev->priv;
1994 /* get a packet to send */
1996 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
1997 airo_print_err(dev->name,
1998 "%s: Dequeue'd zero in send_packet()",
2003 /* check min length*/
2004 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2007 ai->txfids[0].tx_desc.offset = 0;
2008 ai->txfids[0].tx_desc.valid = 1;
2009 ai->txfids[0].tx_desc.eoc = 1;
2010 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2013 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2014 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2015 * is immediatly after it. ------------------------------------------------
2016 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2017 * ------------------------------------------------
2020 memcpy((char *)ai->txfids[0].virtual_host_addr,
2021 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2023 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2024 sizeof(wifictlhdr8023));
2025 sendbuf = ai->txfids[0].virtual_host_addr +
2026 sizeof(wifictlhdr8023) + 2 ;
2029 * Firmware automaticly puts 802 header on so
2030 * we don't need to account for it in the length
2032 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2033 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2036 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2039 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2040 ai->txfids[0].tx_desc.len += sizeof(pMic);
2041 /* copy data into airo dma buffer */
2042 memcpy (sendbuf, buffer, sizeof(etherHead));
2043 buffer += sizeof(etherHead);
2044 sendbuf += sizeof(etherHead);
2045 memcpy (sendbuf, &pMic, sizeof(pMic));
2046 sendbuf += sizeof(pMic);
2047 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2049 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2051 dev->trans_start = jiffies;
2053 /* copy data into airo dma buffer */
2054 memcpy(sendbuf, buffer, len);
2057 memcpy_toio(ai->txfids[0].card_ram_off,
2058 &ai->txfids[0].tx_desc, sizeof(TxFid));
2060 OUT4500(ai, EVACK, 8);
2062 dev_kfree_skb_any(skb);
2066 static void get_tx_error(struct airo_info *ai, s32 fid)
2071 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2073 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2075 bap_read(ai, &status, 2, BAP0);
2077 if (le16_to_cpu(status) & 2) /* Too many retries */
2078 ai->stats.tx_aborted_errors++;
2079 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2080 ai->stats.tx_heartbeat_errors++;
2081 if (le16_to_cpu(status) & 8) /* Aid fail */
2083 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2084 ai->stats.tx_carrier_errors++;
2085 if (le16_to_cpu(status) & 0x20) /* Association lost */
2087 /* We produce a TXDROP event only for retry or lifetime
2088 * exceeded, because that's the only status that really mean
2089 * that this particular node went away.
2090 * Other errors means that *we* screwed up. - Jean II */
2091 if ((le16_to_cpu(status) & 2) ||
2092 (le16_to_cpu(status) & 4)) {
2093 union iwreq_data wrqu;
2096 /* Faster to skip over useless data than to do
2097 * another bap_setup(). We are at offset 0x6 and
2098 * need to go to 0x18 and read 6 bytes - Jean II */
2099 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2101 /* Copy 802.11 dest address.
2102 * We use the 802.11 header because the frame may
2103 * not be 802.3 or may be mangled...
2104 * In Ad-Hoc mode, it will be the node address.
2105 * In managed mode, it will be most likely the AP addr
2106 * User space will figure out how to convert it to
2107 * whatever it needs (IP address or else).
2109 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2110 wrqu.addr.sa_family = ARPHRD_ETHER;
2112 /* Send event to user space */
2113 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2117 static void airo_end_xmit(struct net_device *dev) {
2120 struct airo_info *priv = dev->priv;
2121 struct sk_buff *skb = priv->xmit.skb;
2122 int fid = priv->xmit.fid;
2123 u32 *fids = priv->fids;
2125 clear_bit(JOB_XMIT, &priv->jobs);
2126 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2127 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2131 if ( status == SUCCESS ) {
2132 dev->trans_start = jiffies;
2133 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2135 priv->fids[fid] &= 0xffff;
2136 priv->stats.tx_window_errors++;
2138 if (i < MAX_FIDS / 2)
2139 netif_wake_queue(dev);
2143 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2146 struct airo_info *priv = dev->priv;
2147 u32 *fids = priv->fids;
2149 if ( skb == NULL ) {
2150 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2154 /* Find a vacant FID */
2155 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2156 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2158 if ( j >= MAX_FIDS / 2 ) {
2159 netif_stop_queue(dev);
2161 if (i == MAX_FIDS / 2) {
2162 priv->stats.tx_fifo_errors++;
2166 /* check min length*/
2167 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2168 /* Mark fid as used & save length for later */
2169 fids[i] |= (len << 16);
2170 priv->xmit.skb = skb;
2172 if (down_trylock(&priv->sem) != 0) {
2173 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2174 netif_stop_queue(dev);
2175 set_bit(JOB_XMIT, &priv->jobs);
2176 wake_up_interruptible(&priv->thr_wait);
2182 static void airo_end_xmit11(struct net_device *dev) {
2185 struct airo_info *priv = dev->priv;
2186 struct sk_buff *skb = priv->xmit11.skb;
2187 int fid = priv->xmit11.fid;
2188 u32 *fids = priv->fids;
2190 clear_bit(JOB_XMIT11, &priv->jobs);
2191 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2192 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2196 if ( status == SUCCESS ) {
2197 dev->trans_start = jiffies;
2198 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2200 priv->fids[fid] &= 0xffff;
2201 priv->stats.tx_window_errors++;
2204 netif_wake_queue(dev);
2208 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2211 struct airo_info *priv = dev->priv;
2212 u32 *fids = priv->fids;
2214 if (test_bit(FLAG_MPI, &priv->flags)) {
2215 /* Not implemented yet for MPI350 */
2216 netif_stop_queue(dev);
2220 if ( skb == NULL ) {
2221 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2225 /* Find a vacant FID */
2226 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2227 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2229 if ( j >= MAX_FIDS ) {
2230 netif_stop_queue(dev);
2232 if (i == MAX_FIDS) {
2233 priv->stats.tx_fifo_errors++;
2237 /* check min length*/
2238 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2239 /* Mark fid as used & save length for later */
2240 fids[i] |= (len << 16);
2241 priv->xmit11.skb = skb;
2242 priv->xmit11.fid = i;
2243 if (down_trylock(&priv->sem) != 0) {
2244 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2245 netif_stop_queue(dev);
2246 set_bit(JOB_XMIT11, &priv->jobs);
2247 wake_up_interruptible(&priv->thr_wait);
2249 airo_end_xmit11(dev);
2253 static void airo_read_stats(struct airo_info *ai)
2256 __le32 *vals = stats_rid.vals;
2258 clear_bit(JOB_STATS, &ai->jobs);
2259 if (ai->power.event) {
2263 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2266 ai->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) +
2267 le32_to_cpu(vals[45]);
2268 ai->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) +
2269 le32_to_cpu(vals[41]);
2270 ai->stats.rx_bytes = le32_to_cpu(vals[92]);
2271 ai->stats.tx_bytes = le32_to_cpu(vals[91]);
2272 ai->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) +
2273 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]);
2274 ai->stats.tx_errors = le32_to_cpu(vals[42]) + ai->stats.tx_fifo_errors;
2275 ai->stats.multicast = le32_to_cpu(vals[43]);
2276 ai->stats.collisions = le32_to_cpu(vals[89]);
2278 /* detailed rx_errors: */
2279 ai->stats.rx_length_errors = le32_to_cpu(vals[3]);
2280 ai->stats.rx_crc_errors = le32_to_cpu(vals[4]);
2281 ai->stats.rx_frame_errors = le32_to_cpu(vals[2]);
2282 ai->stats.rx_fifo_errors = le32_to_cpu(vals[0]);
2285 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2287 struct airo_info *local = dev->priv;
2289 if (!test_bit(JOB_STATS, &local->jobs)) {
2290 /* Get stats out of the card if available */
2291 if (down_trylock(&local->sem) != 0) {
2292 set_bit(JOB_STATS, &local->jobs);
2293 wake_up_interruptible(&local->thr_wait);
2295 airo_read_stats(local);
2298 return &local->stats;
2301 static void airo_set_promisc(struct airo_info *ai) {
2305 memset(&cmd, 0, sizeof(cmd));
2306 cmd.cmd=CMD_SETMODE;
2307 clear_bit(JOB_PROMISC, &ai->jobs);
2308 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2309 issuecommand(ai, &cmd, &rsp);
2313 static void airo_set_multicast_list(struct net_device *dev) {
2314 struct airo_info *ai = dev->priv;
2316 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2317 change_bit(FLAG_PROMISC, &ai->flags);
2318 if (down_trylock(&ai->sem) != 0) {
2319 set_bit(JOB_PROMISC, &ai->jobs);
2320 wake_up_interruptible(&ai->thr_wait);
2322 airo_set_promisc(ai);
2325 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2326 /* Turn on multicast. (Should be already setup...) */
2330 static int airo_set_mac_address(struct net_device *dev, void *p)
2332 struct airo_info *ai = dev->priv;
2333 struct sockaddr *addr = p;
2335 readConfigRid(ai, 1);
2336 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2337 set_bit (FLAG_COMMIT, &ai->flags);
2339 writeConfigRid (ai, 1);
2341 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2343 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2347 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2349 if ((new_mtu < 68) || (new_mtu > 2400))
2355 static LIST_HEAD(airo_devices);
2357 static void add_airo_dev(struct airo_info *ai)
2359 /* Upper layers already keep track of PCI devices,
2360 * so we only need to remember our non-PCI cards. */
2362 list_add_tail(&ai->dev_list, &airo_devices);
2365 static void del_airo_dev(struct airo_info *ai)
2368 list_del(&ai->dev_list);
2371 static int airo_close(struct net_device *dev) {
2372 struct airo_info *ai = dev->priv;
2374 netif_stop_queue(dev);
2376 if (ai->wifidev != dev) {
2377 #ifdef POWER_ON_DOWN
2378 /* Shut power to the card. The idea is that the user can save
2379 * power when he doesn't need the card with "ifconfig down".
2380 * That's the method that is most friendly towards the network
2381 * stack (i.e. the network stack won't try to broadcast
2382 * anything on the interface and routes are gone. Jean II */
2383 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2386 disable_interrupts( ai );
2388 free_irq(dev->irq, dev);
2390 set_bit(JOB_DIE, &ai->jobs);
2391 kthread_stop(ai->airo_thread_task);
2396 void stop_airo_card( struct net_device *dev, int freeres )
2398 struct airo_info *ai = dev->priv;
2400 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2402 disable_interrupts(ai);
2403 takedown_proc_entry( dev, ai );
2404 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2405 unregister_netdev( dev );
2407 unregister_netdev(ai->wifidev);
2408 free_netdev(ai->wifidev);
2411 clear_bit(FLAG_REGISTERED, &ai->flags);
2414 * Clean out tx queue
2416 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2417 struct sk_buff *skb = NULL;
2418 for (;(skb = skb_dequeue(&ai->txq));)
2422 airo_networks_free (ai);
2429 /* PCMCIA frees this stuff, so only for PCI and ISA */
2430 release_region( dev->base_addr, 64 );
2431 if (test_bit(FLAG_MPI, &ai->flags)) {
2433 mpi_unmap_card(ai->pci);
2435 iounmap(ai->pcimem);
2437 iounmap(ai->pciaux);
2438 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2439 ai->shared, ai->shared_dma);
2442 crypto_free_cipher(ai->tfm);
2447 EXPORT_SYMBOL(stop_airo_card);
2449 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2451 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2455 static void mpi_unmap_card(struct pci_dev *pci)
2457 unsigned long mem_start = pci_resource_start(pci, 1);
2458 unsigned long mem_len = pci_resource_len(pci, 1);
2459 unsigned long aux_start = pci_resource_start(pci, 2);
2460 unsigned long aux_len = AUXMEMSIZE;
2462 release_mem_region(aux_start, aux_len);
2463 release_mem_region(mem_start, mem_len);
2466 /*************************************************************
2467 * This routine assumes that descriptors have been setup .
2468 * Run at insmod time or after reset when the decriptors
2469 * have been initialized . Returns 0 if all is well nz
2470 * otherwise . Does not allocate memory but sets up card
2471 * using previously allocated descriptors.
2473 static int mpi_init_descriptors (struct airo_info *ai)
2480 /* Alloc card RX descriptors */
2481 netif_stop_queue(ai->dev);
2483 memset(&rsp,0,sizeof(rsp));
2484 memset(&cmd,0,sizeof(cmd));
2486 cmd.cmd = CMD_ALLOCATEAUX;
2488 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2489 cmd.parm2 = MPI_MAX_FIDS;
2490 rc=issuecommand(ai, &cmd, &rsp);
2491 if (rc != SUCCESS) {
2492 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2496 for (i=0; i<MPI_MAX_FIDS; i++) {
2497 memcpy_toio(ai->rxfids[i].card_ram_off,
2498 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2501 /* Alloc card TX descriptors */
2503 memset(&rsp,0,sizeof(rsp));
2504 memset(&cmd,0,sizeof(cmd));
2506 cmd.cmd = CMD_ALLOCATEAUX;
2508 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2509 cmd.parm2 = MPI_MAX_FIDS;
2511 for (i=0; i<MPI_MAX_FIDS; i++) {
2512 ai->txfids[i].tx_desc.valid = 1;
2513 memcpy_toio(ai->txfids[i].card_ram_off,
2514 &ai->txfids[i].tx_desc, sizeof(TxFid));
2516 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2518 rc=issuecommand(ai, &cmd, &rsp);
2519 if (rc != SUCCESS) {
2520 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2524 /* Alloc card Rid descriptor */
2525 memset(&rsp,0,sizeof(rsp));
2526 memset(&cmd,0,sizeof(cmd));
2528 cmd.cmd = CMD_ALLOCATEAUX;
2530 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2531 cmd.parm2 = 1; /* Magic number... */
2532 rc=issuecommand(ai, &cmd, &rsp);
2533 if (rc != SUCCESS) {
2534 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2538 memcpy_toio(ai->config_desc.card_ram_off,
2539 &ai->config_desc.rid_desc, sizeof(Rid));
2545 * We are setting up three things here:
2546 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2547 * 2) Map PCI memory for issueing commands.
2548 * 3) Allocate memory (shared) to send and receive ethernet frames.
2550 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2552 unsigned long mem_start, mem_len, aux_start, aux_len;
2555 dma_addr_t busaddroff;
2556 unsigned char *vpackoff;
2557 unsigned char __iomem *pciaddroff;
2559 mem_start = pci_resource_start(pci, 1);
2560 mem_len = pci_resource_len(pci, 1);
2561 aux_start = pci_resource_start(pci, 2);
2562 aux_len = AUXMEMSIZE;
2564 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2565 airo_print_err("", "Couldn't get region %x[%x]",
2566 (int)mem_start, (int)mem_len);
2569 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2570 airo_print_err("", "Couldn't get region %x[%x]",
2571 (int)aux_start, (int)aux_len);
2575 ai->pcimem = ioremap(mem_start, mem_len);
2577 airo_print_err("", "Couldn't map region %x[%x]",
2578 (int)mem_start, (int)mem_len);
2581 ai->pciaux = ioremap(aux_start, aux_len);
2583 airo_print_err("", "Couldn't map region %x[%x]",
2584 (int)aux_start, (int)aux_len);
2588 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2589 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2591 airo_print_err("", "Couldn't alloc_consistent %d",
2597 * Setup descriptor RX, TX, CONFIG
2599 busaddroff = ai->shared_dma;
2600 pciaddroff = ai->pciaux + AUX_OFFSET;
2601 vpackoff = ai->shared;
2603 /* RX descriptor setup */
2604 for(i = 0; i < MPI_MAX_FIDS; i++) {
2605 ai->rxfids[i].pending = 0;
2606 ai->rxfids[i].card_ram_off = pciaddroff;
2607 ai->rxfids[i].virtual_host_addr = vpackoff;
2608 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2609 ai->rxfids[i].rx_desc.valid = 1;
2610 ai->rxfids[i].rx_desc.len = PKTSIZE;
2611 ai->rxfids[i].rx_desc.rdy = 0;
2613 pciaddroff += sizeof(RxFid);
2614 busaddroff += PKTSIZE;
2615 vpackoff += PKTSIZE;
2618 /* TX descriptor setup */
2619 for(i = 0; i < MPI_MAX_FIDS; i++) {
2620 ai->txfids[i].card_ram_off = pciaddroff;
2621 ai->txfids[i].virtual_host_addr = vpackoff;
2622 ai->txfids[i].tx_desc.valid = 1;
2623 ai->txfids[i].tx_desc.host_addr = busaddroff;
2624 memcpy(ai->txfids[i].virtual_host_addr,
2625 &wifictlhdr8023, sizeof(wifictlhdr8023));
2627 pciaddroff += sizeof(TxFid);
2628 busaddroff += PKTSIZE;
2629 vpackoff += PKTSIZE;
2631 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2633 /* Rid descriptor setup */
2634 ai->config_desc.card_ram_off = pciaddroff;
2635 ai->config_desc.virtual_host_addr = vpackoff;
2636 ai->config_desc.rid_desc.host_addr = busaddroff;
2637 ai->ridbus = busaddroff;
2638 ai->config_desc.rid_desc.rid = 0;
2639 ai->config_desc.rid_desc.len = RIDSIZE;
2640 ai->config_desc.rid_desc.valid = 1;
2641 pciaddroff += sizeof(Rid);
2642 busaddroff += RIDSIZE;
2643 vpackoff += RIDSIZE;
2645 /* Tell card about descriptors */
2646 if (mpi_init_descriptors (ai) != SUCCESS)
2651 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2653 iounmap(ai->pciaux);
2655 iounmap(ai->pcimem);
2657 release_mem_region(aux_start, aux_len);
2659 release_mem_region(mem_start, mem_len);
2664 static const struct header_ops airo_header_ops = {
2665 .parse = wll_header_parse,
2668 static void wifi_setup(struct net_device *dev)
2670 dev->header_ops = &airo_header_ops;
2671 dev->hard_start_xmit = &airo_start_xmit11;
2672 dev->get_stats = &airo_get_stats;
2673 dev->set_mac_address = &airo_set_mac_address;
2674 dev->do_ioctl = &airo_ioctl;
2675 dev->wireless_handlers = &airo_handler_def;
2676 dev->change_mtu = &airo_change_mtu;
2677 dev->open = &airo_open;
2678 dev->stop = &airo_close;
2680 dev->type = ARPHRD_IEEE80211;
2681 dev->hard_header_len = ETH_HLEN;
2682 dev->mtu = AIRO_DEF_MTU;
2683 dev->addr_len = ETH_ALEN;
2684 dev->tx_queue_len = 100;
2686 memset(dev->broadcast,0xFF, ETH_ALEN);
2688 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2691 static struct net_device *init_wifidev(struct airo_info *ai,
2692 struct net_device *ethdev)
2695 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2698 dev->priv = ethdev->priv;
2699 dev->irq = ethdev->irq;
2700 dev->base_addr = ethdev->base_addr;
2701 dev->wireless_data = ethdev->wireless_data;
2702 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2703 err = register_netdev(dev);
2711 static int reset_card( struct net_device *dev , int lock) {
2712 struct airo_info *ai = dev->priv;
2714 if (lock && down_interruptible(&ai->sem))
2717 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2726 #define AIRO_MAX_NETWORK_COUNT 64
2727 static int airo_networks_allocate(struct airo_info *ai)
2733 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2735 if (!ai->networks) {
2736 airo_print_warn("", "Out of memory allocating beacons");
2743 static void airo_networks_free(struct airo_info *ai)
2745 kfree(ai->networks);
2746 ai->networks = NULL;
2749 static void airo_networks_initialize(struct airo_info *ai)
2753 INIT_LIST_HEAD(&ai->network_free_list);
2754 INIT_LIST_HEAD(&ai->network_list);
2755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2756 list_add_tail(&ai->networks[i].list,
2757 &ai->network_free_list);
2760 static int airo_test_wpa_capable(struct airo_info *ai)
2763 CapabilityRid cap_rid;
2765 status = readCapabilityRid(ai, &cap_rid, 1);
2766 if (status != SUCCESS) return 0;
2768 /* Only firmware versions 5.30.17 or better can do WPA */
2769 if (le16_to_cpu(cap_rid.softVer) > 0x530
2770 || (le16_to_cpu(cap_rid.softVer) == 0x530
2771 && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
2772 airo_print_info("", "WPA is supported.");
2776 /* No WPA support */
2777 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2778 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2782 static struct net_device *_init_airo_card( unsigned short irq, int port,
2783 int is_pcmcia, struct pci_dev *pci,
2784 struct device *dmdev )
2786 struct net_device *dev;
2787 struct airo_info *ai;
2789 DECLARE_MAC_BUF(mac);
2791 /* Create the network device object. */
2792 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2794 airo_print_err("", "Couldn't alloc_etherdev");
2800 ai->flags = 1 << FLAG_RADIO_DOWN;
2803 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2804 airo_print_dbg("", "Found an MPI350 card");
2805 set_bit(FLAG_MPI, &ai->flags);
2807 spin_lock_init(&ai->aux_lock);
2808 sema_init(&ai->sem, 1);
2811 init_waitqueue_head (&ai->thr_wait);
2815 if (airo_networks_allocate (ai))
2817 airo_networks_initialize (ai);
2819 /* The Airo-specific entries in the device structure. */
2820 if (test_bit(FLAG_MPI,&ai->flags)) {
2821 skb_queue_head_init (&ai->txq);
2822 dev->hard_start_xmit = &mpi_start_xmit;
2824 dev->hard_start_xmit = &airo_start_xmit;
2825 dev->get_stats = &airo_get_stats;
2826 dev->set_multicast_list = &airo_set_multicast_list;
2827 dev->set_mac_address = &airo_set_mac_address;
2828 dev->do_ioctl = &airo_ioctl;
2829 dev->wireless_handlers = &airo_handler_def;
2830 ai->wireless_data.spy_data = &ai->spy_data;
2831 dev->wireless_data = &ai->wireless_data;
2832 dev->change_mtu = &airo_change_mtu;
2833 dev->open = &airo_open;
2834 dev->stop = &airo_close;
2836 dev->base_addr = port;
2838 SET_NETDEV_DEV(dev, dmdev);
2840 reset_card (dev, 1);
2844 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2846 airo_print_err(dev->name, "Couldn't request region");
2851 if (test_bit(FLAG_MPI,&ai->flags)) {
2852 if (mpi_map_card(ai, pci)) {
2853 airo_print_err("", "Could not map memory");
2859 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2860 airo_print_err(dev->name, "MAC could not be enabled" );
2864 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2865 ai->bap_read = fast_bap_read;
2866 set_bit(FLAG_FLASHING, &ai->flags);
2869 /* Test for WPA support */
2870 if (airo_test_wpa_capable(ai)) {
2871 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2872 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2873 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2874 ai->bssListRidLen = sizeof(BSSListRid);
2876 ai->bssListFirst = RID_BSSLISTFIRST;
2877 ai->bssListNext = RID_BSSLISTNEXT;
2878 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2881 strcpy(dev->name, "eth%d");
2882 rc = register_netdev(dev);
2884 airo_print_err(dev->name, "Couldn't register_netdev");
2887 ai->wifidev = init_wifidev(ai, dev);
2891 set_bit(FLAG_REGISTERED,&ai->flags);
2892 airo_print_info(dev->name, "MAC enabled %s",
2893 print_mac(mac, dev->dev_addr));
2895 /* Allocate the transmit buffers */
2896 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2897 for( i = 0; i < MAX_FIDS; i++ )
2898 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2900 if (setup_proc_entry(dev, dev->priv) < 0)
2906 unregister_netdev(ai->wifidev);
2907 free_netdev(ai->wifidev);
2909 unregister_netdev(dev);
2911 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2912 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2913 iounmap(ai->pciaux);
2914 iounmap(ai->pcimem);
2915 mpi_unmap_card(ai->pci);
2919 release_region( dev->base_addr, 64 );
2921 airo_networks_free(ai);
2928 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2929 struct device *dmdev)
2931 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2934 EXPORT_SYMBOL(init_airo_card);
2936 static int waitbusy (struct airo_info *ai) {
2938 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2940 if ((++delay % 20) == 0)
2941 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2943 return delay < 10000;
2946 int reset_airo_card( struct net_device *dev )
2949 struct airo_info *ai = dev->priv;
2950 DECLARE_MAC_BUF(mac);
2952 if (reset_card (dev, 1))
2955 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2956 airo_print_err(dev->name, "MAC could not be enabled");
2959 airo_print_info(dev->name, "MAC enabled %s",
2960 print_mac(mac, dev->dev_addr));
2961 /* Allocate the transmit buffers if needed */
2962 if (!test_bit(FLAG_MPI,&ai->flags))
2963 for( i = 0; i < MAX_FIDS; i++ )
2964 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2966 enable_interrupts( ai );
2967 netif_wake_queue(dev);
2971 EXPORT_SYMBOL(reset_airo_card);
2973 static void airo_send_event(struct net_device *dev) {
2974 struct airo_info *ai = dev->priv;
2975 union iwreq_data wrqu;
2976 StatusRid status_rid;
2978 clear_bit(JOB_EVENT, &ai->jobs);
2979 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2981 wrqu.data.length = 0;
2982 wrqu.data.flags = 0;
2983 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2984 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2986 /* Send event to user space */
2987 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2990 static void airo_process_scan_results (struct airo_info *ai) {
2991 union iwreq_data wrqu;
2994 BSSListElement * loop_net;
2995 BSSListElement * tmp_net;
2997 /* Blow away current list of scan results */
2998 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
2999 list_move_tail (&loop_net->list, &ai->network_free_list);
3000 /* Don't blow away ->list, just BSS data */
3001 memset (loop_net, 0, sizeof (loop_net->bss));
3004 /* Try to read the first entry of the scan result */
3005 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3006 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3007 /* No scan results */
3011 /* Read and parse all entries */
3013 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3014 /* Grab a network off the free list */
3015 if (!list_empty(&ai->network_free_list)) {
3016 tmp_net = list_entry(ai->network_free_list.next,
3017 BSSListElement, list);
3018 list_del(ai->network_free_list.next);
3021 if (tmp_net != NULL) {
3022 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3023 list_add_tail(&tmp_net->list, &ai->network_list);
3027 /* Read next entry */
3028 rc = PC4500_readrid(ai, ai->bssListNext,
3029 &bss, ai->bssListRidLen, 0);
3033 ai->scan_timeout = 0;
3034 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3037 /* Send an empty event to user space.
3038 * We don't send the received data on
3039 * the event because it would require
3040 * us to do complex transcoding, and
3041 * we want to minimise the work done in
3042 * the irq handler. Use a request to
3043 * extract the data - Jean II */
3044 wrqu.data.length = 0;
3045 wrqu.data.flags = 0;
3046 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3049 static int airo_thread(void *data) {
3050 struct net_device *dev = data;
3051 struct airo_info *ai = dev->priv;
3056 /* make swsusp happy with our thread */
3059 if (test_bit(JOB_DIE, &ai->jobs))
3063 locked = down_interruptible(&ai->sem);
3067 init_waitqueue_entry(&wait, current);
3068 add_wait_queue(&ai->thr_wait, &wait);
3070 set_current_state(TASK_INTERRUPTIBLE);
3073 if (ai->expires || ai->scan_timeout) {
3074 if (ai->scan_timeout &&
3075 time_after_eq(jiffies,ai->scan_timeout)){
3076 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3078 } else if (ai->expires &&
3079 time_after_eq(jiffies,ai->expires)){
3080 set_bit(JOB_AUTOWEP, &ai->jobs);
3083 if (!kthread_should_stop() &&
3084 !freezing(current)) {
3085 unsigned long wake_at;
3086 if (!ai->expires || !ai->scan_timeout) {
3087 wake_at = max(ai->expires,
3090 wake_at = min(ai->expires,
3093 schedule_timeout(wake_at - jiffies);
3096 } else if (!kthread_should_stop() &&
3097 !freezing(current)) {
3103 current->state = TASK_RUNNING;
3104 remove_wait_queue(&ai->thr_wait, &wait);
3111 if (test_bit(JOB_DIE, &ai->jobs)) {
3116 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3121 if (test_bit(JOB_XMIT, &ai->jobs))
3123 else if (test_bit(JOB_XMIT11, &ai->jobs))
3124 airo_end_xmit11(dev);
3125 else if (test_bit(JOB_STATS, &ai->jobs))
3126 airo_read_stats(ai);
3127 else if (test_bit(JOB_WSTATS, &ai->jobs))
3128 airo_read_wireless_stats(ai);
3129 else if (test_bit(JOB_PROMISC, &ai->jobs))
3130 airo_set_promisc(ai);
3131 else if (test_bit(JOB_MIC, &ai->jobs))
3133 else if (test_bit(JOB_EVENT, &ai->jobs))
3134 airo_send_event(dev);
3135 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3137 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3138 airo_process_scan_results(ai);
3139 else /* Shouldn't get here, but we make sure to unlock */
3146 static int header_len(__le16 ctl)
3148 u16 fc = le16_to_cpu(ctl);
3151 if ((fc & 0xe0) == 0xc0)
3152 return 10; /* one-address control packet */
3153 return 16; /* two-address control packet */
3155 if ((fc & 0x300) == 0x300)
3156 return 30; /* WDS packet */
3161 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3163 struct net_device *dev = dev_id;
3166 struct airo_info *apriv = dev->priv;
3167 u16 savedInterrupts = 0;
3170 if (!netif_device_present(dev))
3174 status = IN4500( apriv, EVSTAT );
3175 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3179 if ( status & EV_AWAKE ) {
3180 OUT4500( apriv, EVACK, EV_AWAKE );
3181 OUT4500( apriv, EVACK, EV_AWAKE );
3184 if (!savedInterrupts) {
3185 savedInterrupts = IN4500( apriv, EVINTEN );
3186 OUT4500( apriv, EVINTEN, 0 );
3189 if ( status & EV_MIC ) {
3190 OUT4500( apriv, EVACK, EV_MIC );
3191 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3192 set_bit(JOB_MIC, &apriv->jobs);
3193 wake_up_interruptible(&apriv->thr_wait);
3196 if ( status & EV_LINK ) {
3197 union iwreq_data wrqu;
3198 int scan_forceloss = 0;
3199 /* The link status has changed, if you want to put a
3200 monitor hook in, do it here. (Remember that
3201 interrupts are still disabled!)
3203 u16 newStatus = IN4500(apriv, LINKSTAT);
3204 OUT4500( apriv, EVACK, EV_LINK);
3205 /* Here is what newStatus means: */
3206 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3207 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3208 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3209 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3210 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3211 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3212 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3213 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3215 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3217 #define ASSOCIATED 0x0400 /* Associated */
3218 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3219 #define RC_RESERVED 0 /* Reserved return code */
3220 #define RC_NOREASON 1 /* Unspecified reason */
3221 #define RC_AUTHINV 2 /* Previous authentication invalid */
3222 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3224 #define RC_NOACT 4 /* Disassociated due to inactivity */
3225 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3226 all currently associated stations */
3227 #define RC_BADCLASS2 6 /* Class 2 frame received from
3228 non-Authenticated station */
3229 #define RC_BADCLASS3 7 /* Class 3 frame received from
3230 non-Associated station */
3231 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3233 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3234 Authenticated with the responding station */
3235 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3237 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3240 if (apriv->list_bss_task)
3241 wake_up_process(apriv->list_bss_task);
3242 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3243 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3245 if (down_trylock(&apriv->sem) != 0) {
3246 set_bit(JOB_EVENT, &apriv->jobs);
3247 wake_up_interruptible(&apriv->thr_wait);
3249 airo_send_event(dev);
3250 } else if (!scan_forceloss) {
3251 if (auto_wep && !apriv->expires) {
3252 apriv->expires = RUN_AT(3*HZ);
3253 wake_up_interruptible(&apriv->thr_wait);
3256 /* Send event to user space */
3257 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3258 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3259 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3263 /* Check to see if there is something to receive */
3264 if ( status & EV_RX ) {
3265 struct sk_buff *skb = NULL;
3267 u16 len, hdrlen = 0;
3281 if (test_bit(FLAG_MPI,&apriv->flags)) {
3282 if (test_bit(FLAG_802_11, &apriv->flags))
3283 mpi_receive_802_11(apriv);
3285 mpi_receive_802_3(apriv);
3286 OUT4500(apriv, EVACK, EV_RX);
3290 fid = IN4500( apriv, RXFID );
3292 /* Get the packet length */
3293 if (test_bit(FLAG_802_11, &apriv->flags)) {
3294 bap_setup (apriv, fid, 4, BAP0);
3295 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3296 /* Bad CRC. Ignore packet */
3297 if (le16_to_cpu(hdr.status) & 2)
3299 if (apriv->wifidev == NULL)
3302 bap_setup (apriv, fid, 0x36, BAP0);
3303 bap_read (apriv, &hdr.len, 2, BAP0);
3305 len = le16_to_cpu(hdr.len);
3307 if (len > AIRO_DEF_MTU) {
3308 airo_print_err(apriv->dev->name, "Bad size %d", len);
3314 if (test_bit(FLAG_802_11, &apriv->flags)) {
3315 bap_read (apriv, &fc, sizeof(fc), BAP0);
3316 hdrlen = header_len(fc);
3318 hdrlen = ETH_ALEN * 2;
3320 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3322 apriv->stats.rx_dropped++;
3325 skb_reserve(skb, 2); /* This way the IP header is aligned */
3326 buffer = (__le16*)skb_put (skb, len + hdrlen);
3327 if (test_bit(FLAG_802_11, &apriv->flags)) {
3329 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3331 bap_read (apriv, tmpbuf, 6, BAP0);
3333 bap_read (apriv, &v, sizeof(v), BAP0);
3334 gap = le16_to_cpu(v);
3337 bap_read (apriv, tmpbuf, gap, BAP0);
3339 airo_print_err(apriv->dev->name, "gaplen too "
3340 "big. Problems will follow...");
3343 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3346 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3347 if (apriv->micstats.enabled) {
3348 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3349 if (ntohs(micbuf.typelen) > 0x05DC)
3350 bap_setup (apriv, fid, 0x44, BAP0);
3352 if (len <= sizeof(micbuf))
3355 len -= sizeof(micbuf);
3356 skb_trim (skb, len + hdrlen);
3359 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3360 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3362 dev_kfree_skb_irq (skb);
3364 OUT4500( apriv, EVACK, EV_RX);
3369 if (apriv->spy_data.spy_number > 0) {
3371 struct iw_quality wstats;
3372 /* Prepare spy data : addr + qual */
3373 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3374 sa = (char*)buffer + 6;
3375 bap_setup (apriv, fid, 8, BAP0);
3376 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3378 sa = (char*)buffer + 10;
3379 wstats.qual = hdr.rssi[0];
3381 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3383 wstats.level = (hdr.rssi[1] + 321) / 2;
3384 wstats.noise = apriv->wstats.qual.noise;
3385 wstats.updated = IW_QUAL_LEVEL_UPDATED
3386 | IW_QUAL_QUAL_UPDATED
3388 /* Update spy records */
3389 wireless_spy_update(dev, sa, &wstats);
3391 #endif /* WIRELESS_SPY */
3392 OUT4500( apriv, EVACK, EV_RX);
3394 if (test_bit(FLAG_802_11, &apriv->flags)) {
3395 skb_reset_mac_header(skb);
3396 skb->pkt_type = PACKET_OTHERHOST;
3397 skb->dev = apriv->wifidev;
3398 skb->protocol = htons(ETH_P_802_2);
3400 skb->protocol = eth_type_trans(skb,dev);
3401 skb->dev->last_rx = jiffies;
3402 skb->ip_summed = CHECKSUM_NONE;
3408 /* Check to see if a packet has been transmitted */
3409 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3414 if (test_bit(FLAG_MPI,&apriv->flags)) {
3415 unsigned long flags;
3417 if (status & EV_TXEXC)
3418 get_tx_error(apriv, -1);
3419 spin_lock_irqsave(&apriv->aux_lock, flags);
3420 if (!skb_queue_empty(&apriv->txq)) {
3421 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3422 mpi_send_packet (dev);
3424 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3425 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3426 netif_wake_queue (dev);
3428 OUT4500( apriv, EVACK,
3429 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3433 fid = IN4500(apriv, TXCOMPLFID);
3435 for( i = 0; i < MAX_FIDS; i++ ) {
3436 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3437 len = apriv->fids[i] >> 16;
3442 if (status & EV_TXEXC)
3443 get_tx_error(apriv, index);
3444 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3445 /* Set up to be used again */
3446 apriv->fids[index] &= 0xffff;
3447 if (index < MAX_FIDS / 2) {
3448 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3449 netif_wake_queue(dev);
3451 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3452 netif_wake_queue(apriv->wifidev);
3455 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3456 airo_print_err(apriv->dev->name, "Unallocated FID was "
3461 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3462 airo_print_warn(apriv->dev->name, "Got weird status %x",
3463 status & ~STATUS_INTS & ~IGNORE_INTS );
3466 if (savedInterrupts)
3467 OUT4500( apriv, EVINTEN, savedInterrupts );
3470 return IRQ_RETVAL(handled);
3474 * Routines to talk to the card
3478 * This was originally written for the 4500, hence the name
3479 * NOTE: If use with 8bit mode and SMP bad things will happen!
3480 * Why would some one do 8 bit IO in an SMP machine?!?
3482 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3483 if (test_bit(FLAG_MPI,&ai->flags))
3486 outw( val, ai->dev->base_addr + reg );
3488 outb( val & 0xff, ai->dev->base_addr + reg );
3489 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3493 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3496 if (test_bit(FLAG_MPI,&ai->flags))
3499 rc = inw( ai->dev->base_addr + reg );
3501 rc = inb( ai->dev->base_addr + reg );
3502 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3507 static int enable_MAC(struct airo_info *ai, int lock)
3513 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3514 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3515 * Note : we could try to use !netif_running(dev) in enable_MAC()
3516 * instead of this flag, but I don't trust it *within* the
3517 * open/close functions, and testing both flags together is
3518 * "cheaper" - Jean II */
3519 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3521 if (lock && down_interruptible(&ai->sem))
3522 return -ERESTARTSYS;
3524 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3525 memset(&cmd, 0, sizeof(cmd));
3526 cmd.cmd = MAC_ENABLE;
3527 rc = issuecommand(ai, &cmd, &rsp);
3529 set_bit(FLAG_ENABLED, &ai->flags);
3537 airo_print_err(ai->dev->name, "Cannot enable MAC");
3538 else if ((rsp.status & 0xFF00) != 0) {
3539 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3540 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3546 static void disable_MAC( struct airo_info *ai, int lock ) {
3550 if (lock && down_interruptible(&ai->sem))
3553 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3554 memset(&cmd, 0, sizeof(cmd));
3555 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3556 issuecommand(ai, &cmd, &rsp);
3557 clear_bit(FLAG_ENABLED, &ai->flags);
3563 static void enable_interrupts( struct airo_info *ai ) {
3564 /* Enable the interrupts */
3565 OUT4500( ai, EVINTEN, STATUS_INTS );
3568 static void disable_interrupts( struct airo_info *ai ) {
3569 OUT4500( ai, EVINTEN, 0 );
3572 static void mpi_receive_802_3(struct airo_info *ai)
3576 struct sk_buff *skb;
3581 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3582 /* Make sure we got something */
3583 if (rxd.rdy && rxd.valid == 0) {
3585 if (len < 12 || len > 2048)
3588 skb = dev_alloc_skb(len);
3590 ai->stats.rx_dropped++;
3593 buffer = skb_put(skb,len);
3594 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3595 if (ai->micstats.enabled) {
3597 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3599 if (ntohs(micbuf.typelen) <= 0x05DC) {
3600 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3603 off = sizeof(micbuf);
3604 skb_trim (skb, len - off);
3607 memcpy(buffer + ETH_ALEN * 2,
3608 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3609 len - ETH_ALEN * 2 - off);
3610 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3612 dev_kfree_skb_irq (skb);
3616 if (ai->spy_data.spy_number > 0) {
3618 struct iw_quality wstats;
3619 /* Prepare spy data : addr + qual */
3620 sa = buffer + ETH_ALEN;
3621 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3624 /* Update spy records */
3625 wireless_spy_update(ai->dev, sa, &wstats);
3627 #endif /* WIRELESS_SPY */
3629 skb->ip_summed = CHECKSUM_NONE;
3630 skb->protocol = eth_type_trans(skb, ai->dev);
3631 skb->dev->last_rx = jiffies;
3635 if (rxd.valid == 0) {
3639 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3643 void mpi_receive_802_11 (struct airo_info *ai)
3646 struct sk_buff *skb = NULL;
3647 u16 len, hdrlen = 0;
3660 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3662 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3663 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3665 /* Bad CRC. Ignore packet */
3666 if (le16_to_cpu(hdr.status) & 2)
3668 if (ai->wifidev == NULL)
3670 len = le16_to_cpu(hdr.len);
3671 if (len > AIRO_DEF_MTU) {
3672 airo_print_err(ai->dev->name, "Bad size %d", len);
3678 fc = get_unaligned((__le16 *)ptr);
3679 hdrlen = header_len(fc);
3681 skb = dev_alloc_skb( len + hdrlen + 2 );
3683 ai->stats.rx_dropped++;
3686 buffer = (u16*)skb_put (skb, len + hdrlen);
3687 memcpy ((char *)buffer, ptr, hdrlen);
3691 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3692 ptr += sizeof(__le16);
3697 airo_print_err(ai->dev->name,
3698 "gaplen too big. Problems will follow...");
3700 memcpy ((char *)buffer + hdrlen, ptr, len);
3702 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3703 if (ai->spy_data.spy_number > 0) {
3705 struct iw_quality wstats;
3706 /* Prepare spy data : addr + qual */
3707 sa = (char*)buffer + 10;
3708 wstats.qual = hdr.rssi[0];
3710 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3712 wstats.level = (hdr.rssi[1] + 321) / 2;
3713 wstats.noise = ai->wstats.qual.noise;
3714 wstats.updated = IW_QUAL_QUAL_UPDATED
3715 | IW_QUAL_LEVEL_UPDATED
3717 /* Update spy records */
3718 wireless_spy_update(ai->dev, sa, &wstats);
3720 #endif /* IW_WIRELESS_SPY */
3721 skb_reset_mac_header(skb);
3722 skb->pkt_type = PACKET_OTHERHOST;
3723 skb->dev = ai->wifidev;
3724 skb->protocol = htons(ETH_P_802_2);
3725 skb->dev->last_rx = jiffies;
3726 skb->ip_summed = CHECKSUM_NONE;
3729 if (rxd.valid == 0) {
3733 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3737 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3748 memset( &mySsid, 0, sizeof( mySsid ) );
3752 /* The NOP is the first step in getting the card going */
3754 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3755 if (lock && down_interruptible(&ai->sem))
3757 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3762 disable_MAC( ai, 0);
3764 // Let's figure out if we need to use the AUX port
3765 if (!test_bit(FLAG_MPI,&ai->flags)) {
3766 cmd.cmd = CMD_ENABLEAUX;
3767 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3770 airo_print_err(ai->dev->name, "Error checking for AUX port");
3773 if (!aux_bap || rsp.status & 0xff00) {
3774 ai->bap_read = fast_bap_read;
3775 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3777 ai->bap_read = aux_bap_read;
3778 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3783 if (ai->config.len == 0) {
3784 tdsRssiRid rssi_rid;
3785 CapabilityRid cap_rid;
3791 // general configuration (read/modify/write)
3792 status = readConfigRid(ai, lock);
3793 if ( status != SUCCESS ) return ERROR;
3795 status = readCapabilityRid(ai, &cap_rid, lock);
3796 if ( status != SUCCESS ) return ERROR;
3798 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3799 if ( status == SUCCESS ) {
3800 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3801 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3806 if (cap_rid.softCap & cpu_to_le16(8))
3807 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3809 airo_print_warn(ai->dev->name, "unknown received signal "
3812 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3813 ai->config.authType = AUTH_OPEN;
3814 ai->config.modulation = MOD_CCK;
3816 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) &&
3817 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3818 micsetup(ai) == SUCCESS) {
3819 ai->config.opmode |= MODE_MIC;
3820 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3823 /* Save off the MAC */
3824 for( i = 0; i < ETH_ALEN; i++ ) {
3825 mac[i] = ai->config.macAddr[i];
3828 /* Check to see if there are any insmod configured
3832 memset(ai->config.rates,0,sizeof(ai->config.rates));
3833 for( i = 0; i < 8 && rates[i]; i++ ) {
3834 ai->config.rates[i] = rates[i];
3837 if ( basic_rate > 0 ) {
3839 for( i = 0; i < 8; i++ ) {
3840 if ( ai->config.rates[i] == basic_rate ||
3841 !ai->config.rates ) {
3842 ai->config.rates[i] = basic_rate | 0x80;
3847 set_bit (FLAG_COMMIT, &ai->flags);
3850 /* Setup the SSIDs if present */
3853 for( i = 0; i < 3 && ssids[i]; i++ ) {
3854 size_t len = strlen(ssids[i]);
3857 mySsid.ssids[i].len = cpu_to_le16(len);
3858 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3860 mySsid.len = cpu_to_le16(sizeof(mySsid));
3863 status = writeConfigRid(ai, lock);
3864 if ( status != SUCCESS ) return ERROR;
3866 /* Set up the SSID list */
3868 status = writeSsidRid(ai, &mySsid, lock);
3869 if ( status != SUCCESS ) return ERROR;
3872 status = enable_MAC(ai, lock);
3873 if (status != SUCCESS)
3876 /* Grab the initial wep key, we gotta save it for auto_wep */
3877 rc = readWepKeyRid(ai, &wkr, 1, lock);
3878 if (rc == SUCCESS) do {
3879 lastindex = wkr.kindex;
3880 if (wkr.kindex == cpu_to_le16(0xffff)) {
3881 ai->defindex = wkr.mac[0];
3883 rc = readWepKeyRid(ai, &wkr, 0, lock);
3884 } while(lastindex != wkr.kindex);
3891 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3892 // Im really paranoid about letting it run forever!
3893 int max_tries = 600000;
3895 if (IN4500(ai, EVSTAT) & EV_CMD)
3896 OUT4500(ai, EVACK, EV_CMD);
3898 OUT4500(ai, PARAM0, pCmd->parm0);
3899 OUT4500(ai, PARAM1, pCmd->parm1);
3900 OUT4500(ai, PARAM2, pCmd->parm2);
3901 OUT4500(ai, COMMAND, pCmd->cmd);
3903 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3904 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3905 // PC4500 didn't notice command, try again
3906 OUT4500(ai, COMMAND, pCmd->cmd);
3907 if (!in_atomic() && (max_tries & 255) == 0)
3911 if ( max_tries == -1 ) {
3912 airo_print_err(ai->dev->name,
3913 "Max tries exceeded when issueing command");
3914 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3915 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3919 // command completed
3920 pRsp->status = IN4500(ai, STATUS);
3921 pRsp->rsp0 = IN4500(ai, RESP0);
3922 pRsp->rsp1 = IN4500(ai, RESP1);
3923 pRsp->rsp2 = IN4500(ai, RESP2);
3924 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3925 airo_print_err(ai->dev->name,
3926 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3927 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3930 // clear stuck command busy if necessary
3931 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3932 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3934 // acknowledge processing the status/response
3935 OUT4500(ai, EVACK, EV_CMD);
3940 /* Sets up the bap to start exchange data. whichbap should
3941 * be one of the BAP0 or BAP1 defines. Locks should be held before
3943 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3948 OUT4500(ai, SELECT0+whichbap, rid);
3949 OUT4500(ai, OFFSET0+whichbap, offset);
3951 int status = IN4500(ai, OFFSET0+whichbap);
3952 if (status & BAP_BUSY) {
3953 /* This isn't really a timeout, but its kinda
3958 } else if ( status & BAP_ERR ) {
3959 /* invalid rid or offset */
3960 airo_print_err(ai->dev->name, "BAP error %x %d",
3963 } else if (status & BAP_DONE) { // success
3966 if ( !(max_tries--) ) {
3967 airo_print_err(ai->dev->name,
3968 "BAP setup error too many retries\n");
3971 // -- PC4500 missed it, try again
3972 OUT4500(ai, SELECT0+whichbap, rid);
3973 OUT4500(ai, OFFSET0+whichbap, offset);
3978 /* should only be called by aux_bap_read. This aux function and the
3979 following use concepts not documented in the developers guide. I
3980 got them from a patch given to my by Aironet */
3981 static u16 aux_setup(struct airo_info *ai, u16 page,
3982 u16 offset, u16 *len)
3986 OUT4500(ai, AUXPAGE, page);
3987 OUT4500(ai, AUXOFF, 0);
3988 next = IN4500(ai, AUXDATA);
3989 *len = IN4500(ai, AUXDATA)&0xff;
3990 if (offset != 4) OUT4500(ai, AUXOFF, offset);
3994 /* requires call to bap_setup() first */
3995 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
3996 int bytelen, int whichbap)
4004 unsigned long flags;
4006 spin_lock_irqsave(&ai->aux_lock, flags);
4007 page = IN4500(ai, SWS0+whichbap);
4008 offset = IN4500(ai, SWS2+whichbap);
4009 next = aux_setup(ai, page, offset, &len);
4010 words = (bytelen+1)>>1;
4012 for (i=0; i<words;) {
4014 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4016 insw( ai->dev->base_addr+DATA0+whichbap,
4019 insb( ai->dev->base_addr+DATA0+whichbap,
4020 pu16Dst+i, count << 1 );
4023 next = aux_setup(ai, next, 4, &len);
4026 spin_unlock_irqrestore(&ai->aux_lock, flags);
4031 /* requires call to bap_setup() first */
4032 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4033 int bytelen, int whichbap)
4035 bytelen = (bytelen + 1) & (~1); // round up to even value
4037 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4039 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4043 /* requires call to bap_setup() first */
4044 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4045 int bytelen, int whichbap)
4047 bytelen = (bytelen + 1) & (~1); // round up to even value
4049 outsw( ai->dev->base_addr+DATA0+whichbap,
4050 pu16Src, bytelen>>1 );
4052 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4056 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4058 Cmd cmd; /* for issuing commands */
4059 Resp rsp; /* response from commands */
4062 memset(&cmd, 0, sizeof(cmd));
4065 status = issuecommand(ai, &cmd, &rsp);
4066 if (status != 0) return status;
4067 if ( (rsp.status & 0x7F00) != 0) {
4068 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4073 /* Note, that we are using BAP1 which is also used by transmit, so
4074 * we must get a lock. */
4075 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4081 if (down_interruptible(&ai->sem))
4084 if (test_bit(FLAG_MPI,&ai->flags)) {
4088 memset(&cmd, 0, sizeof(cmd));
4089 memset(&rsp, 0, sizeof(rsp));
4090 ai->config_desc.rid_desc.valid = 1;
4091 ai->config_desc.rid_desc.len = RIDSIZE;
4092 ai->config_desc.rid_desc.rid = 0;
4093 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4095 cmd.cmd = CMD_ACCESS;
4098 memcpy_toio(ai->config_desc.card_ram_off,
4099 &ai->config_desc.rid_desc, sizeof(Rid));
4101 rc = issuecommand(ai, &cmd, &rsp);
4103 if (rsp.status & 0x7f00)
4106 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4109 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4113 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4117 // read the rid length field
4118 bap_read(ai, pBuf, 2, BAP1);
4119 // length for remaining part of rid
4120 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4123 airo_print_err(ai->dev->name,
4124 "Rid %x has a length of %d which is too short",
4125 (int)rid, (int)len );
4129 // read remainder of the rid
4130 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4138 /* Note, that we are using BAP1 which is also used by transmit, so
4139 * make sure this isnt called when a transmit is happening */
4140 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4141 const void *pBuf, int len, int lock)
4146 *(__le16*)pBuf = cpu_to_le16((u16)len);
4149 if (down_interruptible(&ai->sem))
4152 if (test_bit(FLAG_MPI,&ai->flags)) {
4156 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4157 airo_print_err(ai->dev->name,
4158 "%s: MAC should be disabled (rid=%04x)",
4160 memset(&cmd, 0, sizeof(cmd));
4161 memset(&rsp, 0, sizeof(rsp));
4163 ai->config_desc.rid_desc.valid = 1;
4164 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4165 ai->config_desc.rid_desc.rid = 0;
4167 cmd.cmd = CMD_WRITERID;
4170 memcpy_toio(ai->config_desc.card_ram_off,
4171 &ai->config_desc.rid_desc, sizeof(Rid));
4173 if (len < 4 || len > 2047) {
4174 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4177 memcpy((char *)ai->config_desc.virtual_host_addr,
4180 rc = issuecommand(ai, &cmd, &rsp);
4181 if ((rc & 0xff00) != 0) {
4182 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4184 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4185 __FUNCTION__, cmd.cmd);
4188 if ((rsp.status & 0x7f00))
4192 // --- first access so that we can write the rid data
4193 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4197 // --- now write the rid data
4198 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4202 bap_write(ai, pBuf, len, BAP1);
4203 // ---now commit the rid data
4204 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4212 /* Allocates a FID to be used for transmitting packets. We only use
4214 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4216 unsigned int loop = 3000;
4222 cmd.cmd = CMD_ALLOCATETX;
4223 cmd.parm0 = lenPayload;
4224 if (down_interruptible(&ai->sem))
4226 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4230 if ( (rsp.status & 0xFF00) != 0) {
4234 /* wait for the allocate event/indication
4235 * It makes me kind of nervous that this can just sit here and spin,
4236 * but in practice it only loops like four times. */
4237 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4243 // get the allocated fid and acknowledge
4244 txFid = IN4500(ai, TXALLOCFID);
4245 OUT4500(ai, EVACK, EV_ALLOC);
4247 /* The CARD is pretty cool since it converts the ethernet packet
4248 * into 802.11. Also note that we don't release the FID since we
4249 * will be using the same one over and over again. */
4250 /* We only have to setup the control once since we are not
4251 * releasing the fid. */
4253 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4254 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4256 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4257 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4258 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4261 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4269 /* In general BAP1 is dedicated to transmiting packets. However,
4270 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4271 Make sure the BAP1 spinlock is held when this is called. */
4272 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4283 if (len <= ETH_ALEN * 2) {
4284 airo_print_warn(ai->dev->name, "Short packet %d", len);
4287 len -= ETH_ALEN * 2;
4289 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4290 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4291 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4293 miclen = sizeof(pMic);
4295 // packet is destination[6], source[6], payload[len-12]
4296 // write the payload length and dst/src/payload
4297 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4298 /* The hardware addresses aren't counted as part of the payload, so
4299 * we have to subtract the 12 bytes for the addresses off */
4300 payloadLen = cpu_to_le16(len + miclen);
4301 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4302 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4304 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4305 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4306 // issue the transmit command
4307 memset( &cmd, 0, sizeof( cmd ) );
4308 cmd.cmd = CMD_TRANSMIT;
4310 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4311 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4315 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4317 __le16 fc, payloadLen;
4321 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4322 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4326 fc = *(__le16*)pPacket;
4327 hdrlen = header_len(fc);
4330 airo_print_warn(ai->dev->name, "Short packet %d", len);
4334 /* packet is 802.11 header + payload
4335 * write the payload length and dst/src/payload */
4336 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4337 /* The 802.11 header aren't counted as part of the payload, so
4338 * we have to subtract the header bytes off */
4339 payloadLen = cpu_to_le16(len-hdrlen);
4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4341 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4342 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4343 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4345 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4346 // issue the transmit command
4347 memset( &cmd, 0, sizeof( cmd ) );
4348 cmd.cmd = CMD_TRANSMIT;
4350 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4351 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4356 * This is the proc_fs routines. It is a bit messier than I would
4357 * like! Feel free to clean it up!
4360 static ssize_t proc_read( struct file *file,
4361 char __user *buffer,
4365 static ssize_t proc_write( struct file *file,
4366 const char __user *buffer,
4369 static int proc_close( struct inode *inode, struct file *file );
4371 static int proc_stats_open( struct inode *inode, struct file *file );
4372 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4373 static int proc_status_open( struct inode *inode, struct file *file );
4374 static int proc_SSID_open( struct inode *inode, struct file *file );
4375 static int proc_APList_open( struct inode *inode, struct file *file );
4376 static int proc_BSSList_open( struct inode *inode, struct file *file );
4377 static int proc_config_open( struct inode *inode, struct file *file );
4378 static int proc_wepkey_open( struct inode *inode, struct file *file );
4380 static const struct file_operations proc_statsdelta_ops = {
4382 .open = proc_statsdelta_open,
4383 .release = proc_close
4386 static const struct file_operations proc_stats_ops = {
4388 .open = proc_stats_open,
4389 .release = proc_close
4392 static const struct file_operations proc_status_ops = {
4394 .open = proc_status_open,
4395 .release = proc_close
4398 static const struct file_operations proc_SSID_ops = {
4400 .write = proc_write,
4401 .open = proc_SSID_open,
4402 .release = proc_close
4405 static const struct file_operations proc_BSSList_ops = {
4407 .write = proc_write,
4408 .open = proc_BSSList_open,
4409 .release = proc_close
4412 static const struct file_operations proc_APList_ops = {
4414 .write = proc_write,
4415 .open = proc_APList_open,
4416 .release = proc_close
4419 static const struct file_operations proc_config_ops = {
4421 .write = proc_write,
4422 .open = proc_config_open,
4423 .release = proc_close
4426 static const struct file_operations proc_wepkey_ops = {
4428 .write = proc_write,
4429 .open = proc_wepkey_open,
4430 .release = proc_close
4433 static struct proc_dir_entry *airo_entry;
4442 void (*on_close) (struct inode *, struct file *);
4446 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4449 static int setup_proc_entry( struct net_device *dev,
4450 struct airo_info *apriv ) {
4451 struct proc_dir_entry *entry;
4452 /* First setup the device directory */
4453 strcpy(apriv->proc_name,dev->name);
4454 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4457 if (!apriv->proc_entry)
4459 apriv->proc_entry->uid = proc_uid;
4460 apriv->proc_entry->gid = proc_gid;
4461 apriv->proc_entry->owner = THIS_MODULE;
4463 /* Setup the StatsDelta */
4464 entry = create_proc_entry("StatsDelta",
4465 S_IFREG | (S_IRUGO&proc_perm),
4468 goto fail_stats_delta;
4469 entry->uid = proc_uid;
4470 entry->gid = proc_gid;
4472 entry->owner = THIS_MODULE;
4473 SETPROC_OPS(entry, proc_statsdelta_ops);
4475 /* Setup the Stats */
4476 entry = create_proc_entry("Stats",
4477 S_IFREG | (S_IRUGO&proc_perm),
4481 entry->uid = proc_uid;
4482 entry->gid = proc_gid;
4484 entry->owner = THIS_MODULE;
4485 SETPROC_OPS(entry, proc_stats_ops);
4487 /* Setup the Status */
4488 entry = create_proc_entry("Status",
4489 S_IFREG | (S_IRUGO&proc_perm),
4493 entry->uid = proc_uid;
4494 entry->gid = proc_gid;
4496 entry->owner = THIS_MODULE;
4497 SETPROC_OPS(entry, proc_status_ops);
4499 /* Setup the Config */
4500 entry = create_proc_entry("Config",
4501 S_IFREG | proc_perm,
4505 entry->uid = proc_uid;
4506 entry->gid = proc_gid;
4508 entry->owner = THIS_MODULE;
4509 SETPROC_OPS(entry, proc_config_ops);
4511 /* Setup the SSID */
4512 entry = create_proc_entry("SSID",
4513 S_IFREG | proc_perm,
4517 entry->uid = proc_uid;
4518 entry->gid = proc_gid;
4520 entry->owner = THIS_MODULE;
4521 SETPROC_OPS(entry, proc_SSID_ops);
4523 /* Setup the APList */
4524 entry = create_proc_entry("APList",
4525 S_IFREG | proc_perm,
4529 entry->uid = proc_uid;
4530 entry->gid = proc_gid;
4532 entry->owner = THIS_MODULE;
4533 SETPROC_OPS(entry, proc_APList_ops);
4535 /* Setup the BSSList */
4536 entry = create_proc_entry("BSSList",
4537 S_IFREG | proc_perm,
4541 entry->uid = proc_uid;
4542 entry->gid = proc_gid;
4544 entry->owner = THIS_MODULE;
4545 SETPROC_OPS(entry, proc_BSSList_ops);
4547 /* Setup the WepKey */
4548 entry = create_proc_entry("WepKey",
4549 S_IFREG | proc_perm,
4553 entry->uid = proc_uid;
4554 entry->gid = proc_gid;
4556 entry->owner = THIS_MODULE;
4557 SETPROC_OPS(entry, proc_wepkey_ops);
4562 remove_proc_entry("BSSList", apriv->proc_entry);
4564 remove_proc_entry("APList", apriv->proc_entry);
4566 remove_proc_entry("SSID", apriv->proc_entry);
4568 remove_proc_entry("Config", apriv->proc_entry);
4570 remove_proc_entry("Status", apriv->proc_entry);
4572 remove_proc_entry("Stats", apriv->proc_entry);
4574 remove_proc_entry("StatsDelta", apriv->proc_entry);
4576 remove_proc_entry(apriv->proc_name, airo_entry);
4581 static int takedown_proc_entry( struct net_device *dev,
4582 struct airo_info *apriv ) {
4583 if ( !apriv->proc_entry->namelen ) return 0;
4584 remove_proc_entry("Stats",apriv->proc_entry);
4585 remove_proc_entry("StatsDelta",apriv->proc_entry);
4586 remove_proc_entry("Status",apriv->proc_entry);
4587 remove_proc_entry("Config",apriv->proc_entry);
4588 remove_proc_entry("SSID",apriv->proc_entry);
4589 remove_proc_entry("APList",apriv->proc_entry);
4590 remove_proc_entry("BSSList",apriv->proc_entry);
4591 remove_proc_entry("WepKey",apriv->proc_entry);
4592 remove_proc_entry(apriv->proc_name,airo_entry);
4597 * What we want from the proc_fs is to be able to efficiently read
4598 * and write the configuration. To do this, we want to read the
4599 * configuration when the file is opened and write it when the file is
4600 * closed. So basically we allocate a read buffer at open and fill it
4601 * with data, and allocate a write buffer and read it at close.
4605 * The read routine is generic, it relies on the preallocated rbuffer
4606 * to supply the data.
4608 static ssize_t proc_read( struct file *file,
4609 char __user *buffer,
4613 loff_t pos = *offset;
4614 struct proc_data *priv = (struct proc_data*)file->private_data;
4621 if (pos >= priv->readlen)
4623 if (len > priv->readlen - pos)
4624 len = priv->readlen - pos;
4625 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4627 *offset = pos + len;
4632 * The write routine is generic, it fills in a preallocated rbuffer
4633 * to supply the data.
4635 static ssize_t proc_write( struct file *file,
4636 const char __user *buffer,
4640 loff_t pos = *offset;
4641 struct proc_data *priv = (struct proc_data*)file->private_data;
4648 if (pos >= priv->maxwritelen)
4650 if (len > priv->maxwritelen - pos)
4651 len = priv->maxwritelen - pos;
4652 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4654 if ( pos + len > priv->writelen )
4655 priv->writelen = len + file->f_pos;
4656 *offset = pos + len;
4660 static int proc_status_open( struct inode *inode, struct file *file ) {
4661 struct proc_data *data;
4662 struct proc_dir_entry *dp = PDE(inode);
4663 struct net_device *dev = dp->data;
4664 struct airo_info *apriv = dev->priv;
4665 CapabilityRid cap_rid;
4666 StatusRid status_rid;
4669 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4671 data = (struct proc_data *)file->private_data;
4672 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4673 kfree (file->private_data);
4677 readStatusRid(apriv, &status_rid, 1);
4678 readCapabilityRid(apriv, &cap_rid, 1);
4680 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4681 status_rid.mode & 1 ? "CFG ": "",
4682 status_rid.mode & 2 ? "ACT ": "",
4683 status_rid.mode & 0x10 ? "SYN ": "",
4684 status_rid.mode & 0x20 ? "LNK ": "",
4685 status_rid.mode & 0x40 ? "LEAP ": "",
4686 status_rid.mode & 0x80 ? "PRIV ": "",
4687 status_rid.mode & 0x100 ? "KEY ": "",
4688 status_rid.mode & 0x200 ? "WEP ": "",
4689 status_rid.mode & 0x8000 ? "ERR ": "");
4690 sprintf( data->rbuffer+i, "Mode: %x\n"
4691 "Signal Strength: %d\n"
4692 "Signal Quality: %d\n"
4697 "Driver Version: %s\n"
4698 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4699 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4700 "Software Version: %x\nSoftware Subversion: %x\n"
4701 "Boot block version: %x\n",
4702 (int)status_rid.mode,
4703 (int)status_rid.normalizedSignalStrength,
4704 (int)status_rid.signalQuality,
4705 (int)status_rid.SSIDlen,
4708 (int)status_rid.channel,
4709 (int)status_rid.currentXmitRate/2,
4714 le16_to_cpu(cap_rid.radioType),
4715 le16_to_cpu(cap_rid.country),
4716 le16_to_cpu(cap_rid.hardVer),
4717 le16_to_cpu(cap_rid.softVer),
4718 le16_to_cpu(cap_rid.softSubVer),
4719 le16_to_cpu(cap_rid.bootBlockVer));
4720 data->readlen = strlen( data->rbuffer );
4724 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4725 static int proc_statsdelta_open( struct inode *inode,
4726 struct file *file ) {
4727 if (file->f_mode&FMODE_WRITE) {
4728 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4730 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4733 static int proc_stats_open( struct inode *inode, struct file *file ) {
4734 return proc_stats_rid_open(inode, file, RID_STATS);
4737 static int proc_stats_rid_open( struct inode *inode,
4741 struct proc_data *data;
4742 struct proc_dir_entry *dp = PDE(inode);
4743 struct net_device *dev = dp->data;
4744 struct airo_info *apriv = dev->priv;
4747 __le32 *vals = stats.vals;
4748 int len = le16_to_cpu(stats.len);
4750 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4752 data = (struct proc_data *)file->private_data;
4753 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4754 kfree (file->private_data);
4758 readStatsRid(apriv, &stats, rid, 1);
4761 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) {
4762 if (!statsLabels[i]) continue;
4763 if (j+strlen(statsLabels[i])+16>4096) {
4764 airo_print_warn(apriv->dev->name,
4765 "Potentially disasterous buffer overflow averted!");
4768 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i],
4769 le32_to_cpu(vals[i]));
4772 airo_print_warn(apriv->dev->name, "Got a short rid");
4778 static int get_dec_u16( char *buffer, int *start, int limit ) {
4781 for( value = 0; buffer[*start] >= '0' &&
4782 buffer[*start] <= '9' &&
4783 *start < limit; (*start)++ ) {
4786 value += buffer[*start] - '0';
4788 if ( !valid ) return -1;
4792 static int airo_config_commit(struct net_device *dev,
4793 struct iw_request_info *info, void *zwrq,
4796 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4797 struct proc_data *data = file->private_data;
4798 struct proc_dir_entry *dp = PDE(inode);
4799 struct net_device *dev = dp->data;
4800 struct airo_info *ai = dev->priv;
4803 if ( !data->writelen ) return;
4805 readConfigRid(ai, 1);
4806 set_bit (FLAG_COMMIT, &ai->flags);
4808 line = data->wbuffer;
4810 /*** Mode processing */
4811 if ( !strncmp( line, "Mode: ", 6 ) ) {
4813 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4814 set_bit (FLAG_RESET, &ai->flags);
4815 ai->config.rmode &= 0xfe00;
4816 clear_bit (FLAG_802_11, &ai->flags);
4817 ai->config.opmode &= 0xFF00;
4818 ai->config.scanMode = SCANMODE_ACTIVE;
4819 if ( line[0] == 'a' ) {
4820 ai->config.opmode |= 0;
4822 ai->config.opmode |= 1;
4823 if ( line[0] == 'r' ) {
4824 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4825 ai->config.scanMode = SCANMODE_PASSIVE;
4826 set_bit (FLAG_802_11, &ai->flags);
4827 } else if ( line[0] == 'y' ) {
4828 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4829 ai->config.scanMode = SCANMODE_PASSIVE;
4830 set_bit (FLAG_802_11, &ai->flags);
4831 } else if ( line[0] == 'l' )
4832 ai->config.rmode |= RXMODE_LANMON;
4834 set_bit (FLAG_COMMIT, &ai->flags);
4837 /*** Radio status */
4838 else if (!strncmp(line,"Radio: ", 7)) {
4840 if (!strncmp(line,"off",3)) {
4841 set_bit (FLAG_RADIO_OFF, &ai->flags);
4843 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4846 /*** NodeName processing */
4847 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4851 memset( ai->config.nodeName, 0, 16 );
4852 /* Do the name, assume a space between the mode and node name */
4853 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4854 ai->config.nodeName[j] = line[j];
4856 set_bit (FLAG_COMMIT, &ai->flags);
4859 /*** PowerMode processing */
4860 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4862 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4863 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4864 set_bit (FLAG_COMMIT, &ai->flags);
4865 } else if ( !strncmp( line, "PSP", 3 ) ) {
4866 ai->config.powerSaveMode = POWERSAVE_PSP;
4867 set_bit (FLAG_COMMIT, &ai->flags);
4869 ai->config.powerSaveMode = POWERSAVE_CAM;
4870 set_bit (FLAG_COMMIT, &ai->flags);
4872 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4873 int v, i = 0, k = 0; /* i is index into line,
4874 k is index to rates */
4877 while((v = get_dec_u16(line, &i, 3))!=-1) {
4878 ai->config.rates[k++] = (u8)v;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4883 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4886 v = get_dec_u16(line, &i, i+3);
4888 ai->config.channelSet = (u16)v;
4889 set_bit (FLAG_COMMIT, &ai->flags);
4891 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4894 v = get_dec_u16(line, &i, i+3);
4896 ai->config.txPower = (u16)v;
4897 set_bit (FLAG_COMMIT, &ai->flags);
4899 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4903 ai->config.authType = (u16)AUTH_SHAREDKEY;
4906 ai->config.authType = (u16)AUTH_ENCRYPT;
4909 ai->config.authType = (u16)AUTH_OPEN;
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4917 v = get_dec_u16(line, &i, 3);
4918 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4919 ai->config.longRetryLimit = (u16)v;
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4925 v = get_dec_u16(line, &i, 3);
4926 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4927 ai->config.shortRetryLimit = (u16)v;
4928 set_bit (FLAG_COMMIT, &ai->flags);
4929 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4933 v = get_dec_u16(line, &i, 4);
4934 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4935 ai->config.rtsThres = (u16)v;
4936 set_bit (FLAG_COMMIT, &ai->flags);
4937 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4941 v = get_dec_u16(line, &i, 5);
4943 ai->config.txLifetime = (u16)v;
4944 set_bit (FLAG_COMMIT, &ai->flags);
4945 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4949 v = get_dec_u16(line, &i, 5);
4951 ai->config.rxLifetime = (u16)v;
4952 set_bit (FLAG_COMMIT, &ai->flags);
4953 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4954 ai->config.txDiversity =
4955 (line[13]=='l') ? 1 :
4956 ((line[13]=='r')? 2: 3);
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4959 ai->config.rxDiversity =
4960 (line[13]=='l') ? 1 :
4961 ((line[13]=='r')? 2: 3);
4962 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4967 v = get_dec_u16(line, &i, 4);
4968 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4969 v = v & 0xfffe; /* Make sure its even */
4970 ai->config.fragThresh = (u16)v;
4971 set_bit (FLAG_COMMIT, &ai->flags);
4972 } else if (!strncmp(line, "Modulation: ", 12)) {
4975 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4976 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4977 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4978 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4980 } else if (!strncmp(line, "Preamble: ", 10)) {
4983 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4984 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4985 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4986 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4989 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4991 while( line[0] && line[0] != '\n' ) line++;
4992 if ( line[0] ) line++;
4994 airo_config_commit(dev, NULL, NULL, NULL);
4997 static char *get_rmode(u16 mode) {
4999 case RXMODE_RFMON: return "rfmon";
5000 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5001 case RXMODE_LANMON: return "lanmon";
5006 static int proc_config_open( struct inode *inode, struct file *file ) {
5007 struct proc_data *data;
5008 struct proc_dir_entry *dp = PDE(inode);
5009 struct net_device *dev = dp->data;
5010 struct airo_info *ai = dev->priv;
5013 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5015 data = (struct proc_data *)file->private_data;
5016 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5017 kfree (file->private_data);
5020 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5021 kfree (data->rbuffer);
5022 kfree (file->private_data);
5025 data->maxwritelen = 2048;
5026 data->on_close = proc_config_on_close;
5028 readConfigRid(ai, 1);
5030 i = sprintf( data->rbuffer,
5035 "DataRates: %d %d %d %d %d %d %d %d\n"
5038 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5039 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5040 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5041 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5042 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5043 ai->config.nodeName,
5044 ai->config.powerSaveMode == 0 ? "CAM" :
5045 ai->config.powerSaveMode == 1 ? "PSP" :
5046 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5047 (int)ai->config.rates[0],
5048 (int)ai->config.rates[1],
5049 (int)ai->config.rates[2],
5050 (int)ai->config.rates[3],
5051 (int)ai->config.rates[4],
5052 (int)ai->config.rates[5],
5053 (int)ai->config.rates[6],
5054 (int)ai->config.rates[7],
5055 (int)ai->config.channelSet,
5056 (int)ai->config.txPower
5058 sprintf( data->rbuffer + i,
5059 "LongRetryLimit: %d\n"
5060 "ShortRetryLimit: %d\n"
5061 "RTSThreshold: %d\n"
5062 "TXMSDULifetime: %d\n"
5063 "RXMSDULifetime: %d\n"
5066 "FragThreshold: %d\n"
5070 (int)ai->config.longRetryLimit,
5071 (int)ai->config.shortRetryLimit,
5072 (int)ai->config.rtsThres,
5073 (int)ai->config.txLifetime,
5074 (int)ai->config.rxLifetime,
5075 ai->config.txDiversity == 1 ? "left" :
5076 ai->config.txDiversity == 2 ? "right" : "both",
5077 ai->config.rxDiversity == 1 ? "left" :
5078 ai->config.rxDiversity == 2 ? "right" : "both",
5079 (int)ai->config.fragThresh,
5080 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5081 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5082 ai->config.modulation == 0 ? "default" :
5083 ai->config.modulation == MOD_CCK ? "cck" :
5084 ai->config.modulation == MOD_MOK ? "mok" : "error",
5085 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5086 ai->config.preamble == PREAMBLE_LONG ? "long" :
5087 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5089 data->readlen = strlen( data->rbuffer );
5093 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5095 struct proc_data *data = (struct proc_data *)file->private_data;
5096 struct proc_dir_entry *dp = PDE(inode);
5097 struct net_device *dev = dp->data;
5098 struct airo_info *ai = dev->priv;
5101 char *p = data->wbuffer;
5102 char *end = p + data->writelen;
5104 if (!data->writelen)
5107 *end = '\n'; /* sentinel; we have space for it */
5109 memset(&SSID_rid, 0, sizeof(SSID_rid));
5111 for (i = 0; i < 3 && p < end; i++) {
5113 /* copy up to 32 characters from this line */
5114 while (*p != '\n' && j < 32)
5115 SSID_rid.ssids[i].ssid[j++] = *p++;
5118 SSID_rid.ssids[i].len = cpu_to_le16(j);
5119 /* skip to the beginning of the next line */
5120 while (*p++ != '\n')
5124 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5126 writeSsidRid(ai, &SSID_rid, 1);
5130 static inline u8 hexVal(char c) {
5131 if (c>='0' && c<='9') return c -= '0';
5132 if (c>='a' && c<='f') return c -= 'a'-10;
5133 if (c>='A' && c<='F') return c -= 'A'-10;
5137 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5138 struct proc_data *data = (struct proc_data *)file->private_data;
5139 struct proc_dir_entry *dp = PDE(inode);
5140 struct net_device *dev = dp->data;
5141 struct airo_info *ai = dev->priv;
5142 APListRid APList_rid;
5145 if ( !data->writelen ) return;
5147 memset( &APList_rid, 0, sizeof(APList_rid) );
5148 APList_rid.len = sizeof(APList_rid);
5150 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5152 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5155 APList_rid.ap[i][j/3]=
5156 hexVal(data->wbuffer[j+i*6*3])<<4;
5159 APList_rid.ap[i][j/3]|=
5160 hexVal(data->wbuffer[j+i*6*3]);
5166 writeAPListRid(ai, &APList_rid, 1);
5170 /* This function wraps PC4500_writerid with a MAC disable */
5171 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5172 int len, int dummy ) {
5176 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5181 /* Returns the length of the key at the index. If index == 0xffff
5182 * the index of the transmit key is returned. If the key doesn't exist,
5183 * -1 will be returned.
5185 static int get_wep_key(struct airo_info *ai, u16 index) {
5190 rc = readWepKeyRid(ai, &wkr, 1, 1);
5191 if (rc == SUCCESS) do {
5192 lastindex = wkr.kindex;
5193 if (wkr.kindex == cpu_to_le16(index)) {
5194 if (index == 0xffff) {
5197 return le16_to_cpu(wkr.klen);
5199 readWepKeyRid(ai, &wkr, 0, 1);
5200 } while (lastindex != wkr.kindex);
5204 static int set_wep_key(struct airo_info *ai, u16 index,
5205 const char *key, u16 keylen, int perm, int lock )
5207 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5210 memset(&wkr, 0, sizeof(wkr));
5212 // We are selecting which key to use
5213 wkr.len = cpu_to_le16(sizeof(wkr));
5214 wkr.kindex = cpu_to_le16(0xffff);
5215 wkr.mac[0] = (char)index;
5216 if (perm) ai->defindex = (char)index;
5218 // We are actually setting the key
5219 wkr.len = cpu_to_le16(sizeof(wkr));
5220 wkr.kindex = cpu_to_le16(index);
5221 wkr.klen = cpu_to_le16(keylen);
5222 memcpy( wkr.key, key, keylen );
5223 memcpy( wkr.mac, macaddr, ETH_ALEN );
5226 if (perm) disable_MAC(ai, lock);
5227 writeWepKeyRid(ai, &wkr, perm, lock);
5228 if (perm) enable_MAC(ai, lock);
5232 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5233 struct proc_data *data;
5234 struct proc_dir_entry *dp = PDE(inode);
5235 struct net_device *dev = dp->data;
5236 struct airo_info *ai = dev->priv;
5242 memset(key, 0, sizeof(key));
5244 data = (struct proc_data *)file->private_data;
5245 if ( !data->writelen ) return;
5247 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5248 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5249 index = data->wbuffer[0] - '0';
5250 if (data->wbuffer[1] == '\n') {
5251 set_wep_key(ai, index, NULL, 0, 1, 1);
5256 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5260 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5263 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5266 key[i/3] |= hexVal(data->wbuffer[i+j]);
5270 set_wep_key(ai, index, key, i/3, 1, 1);
5273 static int proc_wepkey_open( struct inode *inode, struct file *file )
5275 struct proc_data *data;
5276 struct proc_dir_entry *dp = PDE(inode);
5277 struct net_device *dev = dp->data;
5278 struct airo_info *ai = dev->priv;
5285 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5287 memset(&wkr, 0, sizeof(wkr));
5288 data = (struct proc_data *)file->private_data;
5289 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5290 kfree (file->private_data);
5294 data->maxwritelen = 80;
5295 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5296 kfree (data->rbuffer);
5297 kfree (file->private_data);
5300 data->on_close = proc_wepkey_on_close;
5302 ptr = data->rbuffer;
5303 strcpy(ptr, "No wep keys\n");
5304 rc = readWepKeyRid(ai, &wkr, 1, 1);
5305 if (rc == SUCCESS) do {
5306 lastindex = wkr.kindex;
5307 if (wkr.kindex == cpu_to_le16(0xffff)) {
5308 j += sprintf(ptr+j, "Tx key = %d\n",
5311 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5312 le16_to_cpu(wkr.kindex),
5313 le16_to_cpu(wkr.klen));
5315 readWepKeyRid(ai, &wkr, 0, 1);
5316 } while((lastindex != wkr.kindex) && (j < 180-30));
5318 data->readlen = strlen( data->rbuffer );
5322 static int proc_SSID_open(struct inode *inode, struct file *file)
5324 struct proc_data *data;
5325 struct proc_dir_entry *dp = PDE(inode);
5326 struct net_device *dev = dp->data;
5327 struct airo_info *ai = dev->priv;
5332 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5334 data = (struct proc_data *)file->private_data;
5335 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5336 kfree (file->private_data);
5340 data->maxwritelen = 33*3;
5341 /* allocate maxwritelen + 1; we'll want a sentinel */
5342 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5343 kfree (data->rbuffer);
5344 kfree (file->private_data);
5347 data->on_close = proc_SSID_on_close;
5349 readSsidRid(ai, &SSID_rid);
5350 ptr = data->rbuffer;
5351 for (i = 0; i < 3; i++) {
5353 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5358 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5359 *ptr++ = SSID_rid.ssids[i].ssid[j];
5363 data->readlen = strlen( data->rbuffer );
5367 static int proc_APList_open( struct inode *inode, struct file *file ) {
5368 struct proc_data *data;
5369 struct proc_dir_entry *dp = PDE(inode);
5370 struct net_device *dev = dp->data;
5371 struct airo_info *ai = dev->priv;
5374 APListRid APList_rid;
5375 DECLARE_MAC_BUF(mac);
5377 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5379 data = (struct proc_data *)file->private_data;
5380 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5381 kfree (file->private_data);
5385 data->maxwritelen = 4*6*3;
5386 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5387 kfree (data->rbuffer);
5388 kfree (file->private_data);
5391 data->on_close = proc_APList_on_close;
5393 readAPListRid(ai, &APList_rid);
5394 ptr = data->rbuffer;
5395 for( i = 0; i < 4; i++ ) {
5396 // We end when we find a zero MAC
5397 if ( !*(int*)APList_rid.ap[i] &&
5398 !*(int*)&APList_rid.ap[i][2]) break;
5399 ptr += sprintf(ptr, "%s\n",
5400 print_mac(mac, APList_rid.ap[i]));
5402 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5405 data->readlen = strlen( data->rbuffer );
5409 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5410 struct proc_data *data;
5411 struct proc_dir_entry *dp = PDE(inode);
5412 struct net_device *dev = dp->data;
5413 struct airo_info *ai = dev->priv;
5415 BSSListRid BSSList_rid;
5417 /* If doLoseSync is not 1, we won't do a Lose Sync */
5418 int doLoseSync = -1;
5419 DECLARE_MAC_BUF(mac);
5421 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5423 data = (struct proc_data *)file->private_data;
5424 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5425 kfree (file->private_data);
5429 data->maxwritelen = 0;
5430 data->wbuffer = NULL;
5431 data->on_close = NULL;
5433 if (file->f_mode & FMODE_WRITE) {
5434 if (!(file->f_mode & FMODE_READ)) {
5438 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5439 memset(&cmd, 0, sizeof(cmd));
5440 cmd.cmd=CMD_LISTBSS;
5441 if (down_interruptible(&ai->sem))
5442 return -ERESTARTSYS;
5443 issuecommand(ai, &cmd, &rsp);
5450 ptr = data->rbuffer;
5451 /* There is a race condition here if there are concurrent opens.
5452 Since it is a rare condition, we'll just live with it, otherwise
5453 we have to add a spin lock... */
5454 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5455 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5456 ptr += sprintf(ptr, "%s %*s rssi = %d",
5457 print_mac(mac, BSSList_rid.bssid),
5458 (int)BSSList_rid.ssidLen,
5460 le16_to_cpu(BSSList_rid.dBm));
5461 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5462 le16_to_cpu(BSSList_rid.dsChannel),
5463 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5464 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5465 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5466 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5467 rc = readBSSListRid(ai, 0, &BSSList_rid);
5470 data->readlen = strlen( data->rbuffer );
5474 static int proc_close( struct inode *inode, struct file *file )
5476 struct proc_data *data = file->private_data;
5478 if (data->on_close != NULL)
5479 data->on_close(inode, file);
5480 kfree(data->rbuffer);
5481 kfree(data->wbuffer);
5486 /* Since the card doesn't automatically switch to the right WEP mode,
5487 we will make it do it. If the card isn't associated, every secs we
5488 will switch WEP modes to see if that will help. If the card is
5489 associated we will check every minute to see if anything has
5491 static void timer_func( struct net_device *dev ) {
5492 struct airo_info *apriv = dev->priv;
5494 /* We don't have a link so try changing the authtype */
5495 readConfigRid(apriv, 0);
5496 disable_MAC(apriv, 0);
5497 switch(apriv->config.authType) {
5499 /* So drop to OPEN */
5500 apriv->config.authType = AUTH_OPEN;
5502 case AUTH_SHAREDKEY:
5503 if (apriv->keyindex < auto_wep) {
5504 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5505 apriv->config.authType = AUTH_SHAREDKEY;
5508 /* Drop to ENCRYPT */
5509 apriv->keyindex = 0;
5510 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5511 apriv->config.authType = AUTH_ENCRYPT;
5514 default: /* We'll escalate to SHAREDKEY */
5515 apriv->config.authType = AUTH_SHAREDKEY;
5517 set_bit (FLAG_COMMIT, &apriv->flags);
5518 writeConfigRid(apriv, 0);
5519 enable_MAC(apriv, 0);
5522 /* Schedule check to see if the change worked */
5523 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5524 apriv->expires = RUN_AT(HZ*3);
5528 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5529 const struct pci_device_id *pent)
5531 struct net_device *dev;
5533 if (pci_enable_device(pdev))
5535 pci_set_master(pdev);
5537 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5538 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5540 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5542 pci_disable_device(pdev);
5546 pci_set_drvdata(pdev, dev);
5550 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5552 struct net_device *dev = pci_get_drvdata(pdev);
5554 airo_print_info(dev->name, "Unregistering...");
5555 stop_airo_card(dev, 1);
5556 pci_disable_device(pdev);
5557 pci_set_drvdata(pdev, NULL);
5560 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5562 struct net_device *dev = pci_get_drvdata(pdev);
5563 struct airo_info *ai = dev->priv;
5567 if ((ai->APList == NULL) &&
5568 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5570 if ((ai->SSID == NULL) &&
5571 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5573 readAPListRid(ai, ai->APList);
5574 readSsidRid(ai, ai->SSID);
5575 memset(&cmd, 0, sizeof(cmd));
5576 /* the lock will be released at the end of the resume callback */
5577 if (down_interruptible(&ai->sem))
5580 netif_device_detach(dev);
5583 issuecommand(ai, &cmd, &rsp);
5585 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5586 pci_save_state(pdev);
5587 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5590 static int airo_pci_resume(struct pci_dev *pdev)
5592 struct net_device *dev = pci_get_drvdata(pdev);
5593 struct airo_info *ai = dev->priv;
5594 pci_power_t prev_state = pdev->current_state;
5596 pci_set_power_state(pdev, PCI_D0);
5597 pci_restore_state(pdev);
5598 pci_enable_wake(pdev, PCI_D0, 0);
5600 if (prev_state != PCI_D1) {
5602 mpi_init_descriptors(ai);
5603 setup_card(ai, dev->dev_addr, 0);
5604 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5605 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5607 OUT4500(ai, EVACK, EV_AWAKEN);
5608 OUT4500(ai, EVACK, EV_AWAKEN);
5612 set_bit (FLAG_COMMIT, &ai->flags);
5616 writeSsidRid(ai, ai->SSID, 0);
5621 writeAPListRid(ai, ai->APList, 0);
5625 writeConfigRid(ai, 0);
5627 ai->power = PMSG_ON;
5628 netif_device_attach(dev);
5629 netif_wake_queue(dev);
5630 enable_interrupts(ai);
5636 static int __init airo_init_module( void )
5640 int have_isa_dev = 0;
5643 airo_entry = create_proc_entry("aironet",
5644 S_IFDIR | airo_perm,
5648 airo_entry->uid = proc_uid;
5649 airo_entry->gid = proc_gid;
5652 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5653 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5654 "io=0x%x", irq[i], io[i] );
5655 if (init_airo_card( irq[i], io[i], 0, NULL ))
5664 airo_print_info("", "Probing for PCI adapters");
5665 i = pci_register_driver(&airo_driver);
5666 airo_print_info("", "Finished probing for PCI adapters");
5669 remove_proc_entry("aironet", proc_root_driver);
5674 /* Always exit with success, as we are a library module
5675 * as well as a driver module
5680 static void __exit airo_cleanup_module( void )
5682 struct airo_info *ai;
5683 while(!list_empty(&airo_devices)) {
5684 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5685 airo_print_info(ai->dev->name, "Unregistering...");
5686 stop_airo_card(ai->dev, 1);
5689 pci_unregister_driver(&airo_driver);
5691 remove_proc_entry("aironet", proc_root_driver);
5695 * Initial Wireless Extension code for Aironet driver by :
5696 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5697 * Conversion to new driver API by :
5698 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5699 * Javier also did a good amount of work here, adding some new extensions
5700 * and fixing my code. Let's just say that without him this code just
5701 * would not work at all... - Jean II
5704 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5709 return (0x100 - rssi_rid[rssi].rssidBm);
5712 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5719 for( i = 0; i < 256; i++ )
5720 if (rssi_rid[i].rssidBm == dbm)
5721 return rssi_rid[i].rssipct;
5727 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5731 if ((status_rid->mode & 0x3f) != 0x3f)
5734 if (!(cap_rid->hardCap & cpu_to_le16(8)))
5737 if (memcmp(cap_rid->prodName, "350", 3))
5738 if (status_rid->signalQuality > 0x20)
5741 quality = 0x20 - status_rid->signalQuality;
5743 if (status_rid->signalQuality > 0xb0)
5745 else if (status_rid->signalQuality < 0x10)
5748 quality = 0xb0 - status_rid->signalQuality;
5752 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5753 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5755 /*------------------------------------------------------------------*/
5757 * Wireless Handler : get protocol name
5759 static int airo_get_name(struct net_device *dev,
5760 struct iw_request_info *info,
5764 strcpy(cwrq, "IEEE 802.11-DS");
5768 /*------------------------------------------------------------------*/
5770 * Wireless Handler : set frequency
5772 static int airo_set_freq(struct net_device *dev,
5773 struct iw_request_info *info,
5774 struct iw_freq *fwrq,
5777 struct airo_info *local = dev->priv;
5778 int rc = -EINPROGRESS; /* Call commit handler */
5780 /* If setting by frequency, convert to a channel */
5781 if((fwrq->e == 1) &&
5782 (fwrq->m >= (int) 2.412e8) &&
5783 (fwrq->m <= (int) 2.487e8)) {
5784 int f = fwrq->m / 100000;
5786 while((c < 14) && (f != frequency_list[c]))
5788 /* Hack to fall through... */
5792 /* Setting by channel number */
5793 if((fwrq->m > 1000) || (fwrq->e > 0))
5796 int channel = fwrq->m;
5797 /* We should do a better check than that,
5798 * based on the card capability !!! */
5799 if((channel < 1) || (channel > 14)) {
5800 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5804 readConfigRid(local, 1);
5805 /* Yes ! We can set it !!! */
5806 local->config.channelSet = (u16) channel;
5807 set_bit (FLAG_COMMIT, &local->flags);
5813 /*------------------------------------------------------------------*/
5815 * Wireless Handler : get frequency
5817 static int airo_get_freq(struct net_device *dev,
5818 struct iw_request_info *info,
5819 struct iw_freq *fwrq,
5822 struct airo_info *local = dev->priv;
5823 StatusRid status_rid; /* Card status info */
5826 readConfigRid(local, 1);
5827 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5828 status_rid.channel = local->config.channelSet;
5830 readStatusRid(local, &status_rid, 1);
5832 ch = (int)status_rid.channel;
5833 if((ch > 0) && (ch < 15)) {
5834 fwrq->m = frequency_list[ch - 1] * 100000;
5844 /*------------------------------------------------------------------*/
5846 * Wireless Handler : set ESSID
5848 static int airo_set_essid(struct net_device *dev,
5849 struct iw_request_info *info,
5850 struct iw_point *dwrq,
5853 struct airo_info *local = dev->priv;
5854 SsidRid SSID_rid; /* SSIDs */
5856 /* Reload the list of current SSID */
5857 readSsidRid(local, &SSID_rid);
5859 /* Check if we asked for `any' */
5860 if(dwrq->flags == 0) {
5861 /* Just send an empty SSID list */
5862 memset(&SSID_rid, 0, sizeof(SSID_rid));
5864 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5866 /* Check the size of the string */
5867 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5870 /* Check if index is valid */
5871 if((index < 0) || (index >= 4)) {
5876 memset(SSID_rid.ssids[index].ssid, 0,
5877 sizeof(SSID_rid.ssids[index].ssid));
5878 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5879 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5881 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5882 /* Write it to the card */
5883 disable_MAC(local, 1);
5884 writeSsidRid(local, &SSID_rid, 1);
5885 enable_MAC(local, 1);
5890 /*------------------------------------------------------------------*/
5892 * Wireless Handler : get ESSID
5894 static int airo_get_essid(struct net_device *dev,
5895 struct iw_request_info *info,
5896 struct iw_point *dwrq,
5899 struct airo_info *local = dev->priv;
5900 StatusRid status_rid; /* Card status info */
5902 readStatusRid(local, &status_rid, 1);
5904 /* Note : if dwrq->flags != 0, we should
5905 * get the relevant SSID from the SSID list... */
5907 /* Get the current SSID */
5908 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5909 /* If none, we may want to get the one that was set */
5912 dwrq->length = status_rid.SSIDlen;
5913 dwrq->flags = 1; /* active */
5918 /*------------------------------------------------------------------*/
5920 * Wireless Handler : set AP address
5922 static int airo_set_wap(struct net_device *dev,
5923 struct iw_request_info *info,
5924 struct sockaddr *awrq,
5927 struct airo_info *local = dev->priv;
5930 APListRid APList_rid;
5931 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5932 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5934 if (awrq->sa_family != ARPHRD_ETHER)
5936 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5937 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5938 memset(&cmd, 0, sizeof(cmd));
5939 cmd.cmd=CMD_LOSE_SYNC;
5940 if (down_interruptible(&local->sem))
5941 return -ERESTARTSYS;
5942 issuecommand(local, &cmd, &rsp);
5945 memset(&APList_rid, 0, sizeof(APList_rid));
5946 APList_rid.len = sizeof(APList_rid);
5947 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5948 disable_MAC(local, 1);
5949 writeAPListRid(local, &APList_rid, 1);
5950 enable_MAC(local, 1);
5955 /*------------------------------------------------------------------*/
5957 * Wireless Handler : get AP address
5959 static int airo_get_wap(struct net_device *dev,
5960 struct iw_request_info *info,
5961 struct sockaddr *awrq,
5964 struct airo_info *local = dev->priv;
5965 StatusRid status_rid; /* Card status info */
5967 readStatusRid(local, &status_rid, 1);
5969 /* Tentative. This seems to work, wow, I'm lucky !!! */
5970 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5971 awrq->sa_family = ARPHRD_ETHER;
5976 /*------------------------------------------------------------------*/
5978 * Wireless Handler : set Nickname
5980 static int airo_set_nick(struct net_device *dev,
5981 struct iw_request_info *info,
5982 struct iw_point *dwrq,
5985 struct airo_info *local = dev->priv;
5987 /* Check the size of the string */
5988 if(dwrq->length > 16) {
5991 readConfigRid(local, 1);
5992 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5993 memcpy(local->config.nodeName, extra, dwrq->length);
5994 set_bit (FLAG_COMMIT, &local->flags);
5996 return -EINPROGRESS; /* Call commit handler */
5999 /*------------------------------------------------------------------*/
6001 * Wireless Handler : get Nickname
6003 static int airo_get_nick(struct net_device *dev,
6004 struct iw_request_info *info,
6005 struct iw_point *dwrq,
6008 struct airo_info *local = dev->priv;
6010 readConfigRid(local, 1);
6011 strncpy(extra, local->config.nodeName, 16);
6013 dwrq->length = strlen(extra);
6018 /*------------------------------------------------------------------*/
6020 * Wireless Handler : set Bit-Rate
6022 static int airo_set_rate(struct net_device *dev,
6023 struct iw_request_info *info,
6024 struct iw_param *vwrq,
6027 struct airo_info *local = dev->priv;
6028 CapabilityRid cap_rid; /* Card capability info */
6032 /* First : get a valid bit rate value */
6033 readCapabilityRid(local, &cap_rid, 1);
6035 /* Which type of value ? */
6036 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6037 /* Setting by rate index */
6038 /* Find value in the magic rate table */
6039 brate = cap_rid.supportedRates[vwrq->value];
6041 /* Setting by frequency value */
6042 u8 normvalue = (u8) (vwrq->value/500000);
6044 /* Check if rate is valid */
6045 for(i = 0 ; i < 8 ; i++) {
6046 if(normvalue == cap_rid.supportedRates[i]) {
6052 /* -1 designed the max rate (mostly auto mode) */
6053 if(vwrq->value == -1) {
6054 /* Get the highest available rate */
6055 for(i = 0 ; i < 8 ; i++) {
6056 if(cap_rid.supportedRates[i] == 0)
6060 brate = cap_rid.supportedRates[i - 1];
6062 /* Check that it is valid */
6067 readConfigRid(local, 1);
6068 /* Now, check if we want a fixed or auto value */
6069 if(vwrq->fixed == 0) {
6070 /* Fill all the rates up to this max rate */
6071 memset(local->config.rates, 0, 8);
6072 for(i = 0 ; i < 8 ; i++) {
6073 local->config.rates[i] = cap_rid.supportedRates[i];
6074 if(local->config.rates[i] == brate)
6079 /* One rate, fixed */
6080 memset(local->config.rates, 0, 8);
6081 local->config.rates[0] = brate;
6083 set_bit (FLAG_COMMIT, &local->flags);
6085 return -EINPROGRESS; /* Call commit handler */
6088 /*------------------------------------------------------------------*/
6090 * Wireless Handler : get Bit-Rate
6092 static int airo_get_rate(struct net_device *dev,
6093 struct iw_request_info *info,
6094 struct iw_param *vwrq,
6097 struct airo_info *local = dev->priv;
6098 StatusRid status_rid; /* Card status info */
6100 readStatusRid(local, &status_rid, 1);
6102 vwrq->value = status_rid.currentXmitRate * 500000;
6103 /* If more than one rate, set auto */
6104 readConfigRid(local, 1);
6105 vwrq->fixed = (local->config.rates[1] == 0);
6110 /*------------------------------------------------------------------*/
6112 * Wireless Handler : set RTS threshold
6114 static int airo_set_rts(struct net_device *dev,
6115 struct iw_request_info *info,
6116 struct iw_param *vwrq,
6119 struct airo_info *local = dev->priv;
6120 int rthr = vwrq->value;
6123 rthr = AIRO_DEF_MTU;
6124 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6127 readConfigRid(local, 1);
6128 local->config.rtsThres = rthr;
6129 set_bit (FLAG_COMMIT, &local->flags);
6131 return -EINPROGRESS; /* Call commit handler */
6134 /*------------------------------------------------------------------*/
6136 * Wireless Handler : get RTS threshold
6138 static int airo_get_rts(struct net_device *dev,
6139 struct iw_request_info *info,
6140 struct iw_param *vwrq,
6143 struct airo_info *local = dev->priv;
6145 readConfigRid(local, 1);
6146 vwrq->value = local->config.rtsThres;
6147 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6153 /*------------------------------------------------------------------*/
6155 * Wireless Handler : set Fragmentation threshold
6157 static int airo_set_frag(struct net_device *dev,
6158 struct iw_request_info *info,
6159 struct iw_param *vwrq,
6162 struct airo_info *local = dev->priv;
6163 int fthr = vwrq->value;
6166 fthr = AIRO_DEF_MTU;
6167 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6170 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6171 readConfigRid(local, 1);
6172 local->config.fragThresh = (u16)fthr;
6173 set_bit (FLAG_COMMIT, &local->flags);
6175 return -EINPROGRESS; /* Call commit handler */
6178 /*------------------------------------------------------------------*/
6180 * Wireless Handler : get Fragmentation threshold
6182 static int airo_get_frag(struct net_device *dev,
6183 struct iw_request_info *info,
6184 struct iw_param *vwrq,
6187 struct airo_info *local = dev->priv;
6189 readConfigRid(local, 1);
6190 vwrq->value = local->config.fragThresh;
6191 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6197 /*------------------------------------------------------------------*/
6199 * Wireless Handler : set Mode of Operation
6201 static int airo_set_mode(struct net_device *dev,
6202 struct iw_request_info *info,
6206 struct airo_info *local = dev->priv;
6209 readConfigRid(local, 1);
6210 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6215 local->config.opmode &= 0xFF00;
6216 local->config.opmode |= MODE_STA_IBSS;
6217 local->config.rmode &= 0xfe00;
6218 local->config.scanMode = SCANMODE_ACTIVE;
6219 clear_bit (FLAG_802_11, &local->flags);
6222 local->config.opmode &= 0xFF00;
6223 local->config.opmode |= MODE_STA_ESS;
6224 local->config.rmode &= 0xfe00;
6225 local->config.scanMode = SCANMODE_ACTIVE;
6226 clear_bit (FLAG_802_11, &local->flags);
6228 case IW_MODE_MASTER:
6229 local->config.opmode &= 0xFF00;
6230 local->config.opmode |= MODE_AP;
6231 local->config.rmode &= 0xfe00;
6232 local->config.scanMode = SCANMODE_ACTIVE;
6233 clear_bit (FLAG_802_11, &local->flags);
6235 case IW_MODE_REPEAT:
6236 local->config.opmode &= 0xFF00;
6237 local->config.opmode |= MODE_AP_RPTR;
6238 local->config.rmode &= 0xfe00;
6239 local->config.scanMode = SCANMODE_ACTIVE;
6240 clear_bit (FLAG_802_11, &local->flags);
6242 case IW_MODE_MONITOR:
6243 local->config.opmode &= 0xFF00;
6244 local->config.opmode |= MODE_STA_ESS;
6245 local->config.rmode &= 0xfe00;
6246 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6247 local->config.scanMode = SCANMODE_PASSIVE;
6248 set_bit (FLAG_802_11, &local->flags);
6254 set_bit (FLAG_RESET, &local->flags);
6255 set_bit (FLAG_COMMIT, &local->flags);
6257 return -EINPROGRESS; /* Call commit handler */
6260 /*------------------------------------------------------------------*/
6262 * Wireless Handler : get Mode of Operation
6264 static int airo_get_mode(struct net_device *dev,
6265 struct iw_request_info *info,
6269 struct airo_info *local = dev->priv;
6271 readConfigRid(local, 1);
6272 /* If not managed, assume it's ad-hoc */
6273 switch (local->config.opmode & 0xFF) {
6275 *uwrq = IW_MODE_INFRA;
6278 *uwrq = IW_MODE_MASTER;
6281 *uwrq = IW_MODE_REPEAT;
6284 *uwrq = IW_MODE_ADHOC;
6290 static inline int valid_index(CapabilityRid *p, int index)
6294 return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1);
6297 /*------------------------------------------------------------------*/
6299 * Wireless Handler : set Encryption Key
6301 static int airo_set_encode(struct net_device *dev,
6302 struct iw_request_info *info,
6303 struct iw_point *dwrq,
6306 struct airo_info *local = dev->priv;
6307 CapabilityRid cap_rid; /* Card capability info */
6308 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6309 u16 currentAuthType = local->config.authType;
6311 /* Is WEP supported ? */
6312 readCapabilityRid(local, &cap_rid, 1);
6313 /* Older firmware doesn't support this...
6314 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6317 readConfigRid(local, 1);
6319 /* Basic checking: do we have a key to set ?
6320 * Note : with the new API, it's impossible to get a NULL pointer.
6321 * Therefore, we need to check a key size == 0 instead.
6322 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6323 * when no key is present (only change flags), but older versions
6324 * don't do it. - Jean II */
6325 if (dwrq->length > 0) {
6327 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6328 int current_index = get_wep_key(local, 0xffff);
6329 /* Check the size of the key */
6330 if (dwrq->length > MAX_KEY_SIZE) {
6333 /* Check the index (none -> use current) */
6334 if (!valid_index(&cap_rid, index))
6335 index = current_index;
6336 /* Set the length */
6337 if (dwrq->length > MIN_KEY_SIZE)
6338 key.len = MAX_KEY_SIZE;
6340 if (dwrq->length > 0)
6341 key.len = MIN_KEY_SIZE;
6343 /* Disable the key */
6345 /* Check if the key is not marked as invalid */
6346 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6348 memset(key.key, 0, MAX_KEY_SIZE);
6349 /* Copy the key in the driver */
6350 memcpy(key.key, extra, dwrq->length);
6351 /* Send the key to the card */
6352 set_wep_key(local, index, key.key, key.len, perm, 1);
6354 /* WE specify that if a valid key is set, encryption
6355 * should be enabled (user may turn it off later)
6356 * This is also how "iwconfig ethX key on" works */
6357 if((index == current_index) && (key.len > 0) &&
6358 (local->config.authType == AUTH_OPEN)) {
6359 local->config.authType = AUTH_ENCRYPT;
6362 /* Do we want to just set the transmit key index ? */
6363 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6364 if (valid_index(&cap_rid, index)) {
6365 set_wep_key(local, index, NULL, 0, perm, 1);
6367 /* Don't complain if only change the mode */
6368 if (!(dwrq->flags & IW_ENCODE_MODE))
6371 /* Read the flags */
6372 if(dwrq->flags & IW_ENCODE_DISABLED)
6373 local->config.authType = AUTH_OPEN; // disable encryption
6374 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6375 local->config.authType = AUTH_SHAREDKEY; // Only Both
6376 if(dwrq->flags & IW_ENCODE_OPEN)
6377 local->config.authType = AUTH_ENCRYPT; // Only Wep
6378 /* Commit the changes to flags if needed */
6379 if (local->config.authType != currentAuthType)
6380 set_bit (FLAG_COMMIT, &local->flags);
6381 return -EINPROGRESS; /* Call commit handler */
6384 /*------------------------------------------------------------------*/
6386 * Wireless Handler : get Encryption Key
6388 static int airo_get_encode(struct net_device *dev,
6389 struct iw_request_info *info,
6390 struct iw_point *dwrq,
6393 struct airo_info *local = dev->priv;
6394 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6395 CapabilityRid cap_rid; /* Card capability info */
6397 /* Is it supported ? */
6398 readCapabilityRid(local, &cap_rid, 1);
6399 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6402 readConfigRid(local, 1);
6403 /* Check encryption mode */
6404 switch(local->config.authType) {
6406 dwrq->flags = IW_ENCODE_OPEN;
6408 case AUTH_SHAREDKEY:
6409 dwrq->flags = IW_ENCODE_RESTRICTED;
6413 dwrq->flags = IW_ENCODE_DISABLED;
6416 /* We can't return the key, so set the proper flag and return zero */
6417 dwrq->flags |= IW_ENCODE_NOKEY;
6418 memset(extra, 0, 16);
6420 /* Which key do we want ? -1 -> tx index */
6421 if (!valid_index(&cap_rid, index))
6422 index = get_wep_key(local, 0xffff);
6423 dwrq->flags |= index + 1;
6424 /* Copy the key to the user buffer */
6425 dwrq->length = get_wep_key(local, index);
6426 if (dwrq->length > 16) {
6432 /*------------------------------------------------------------------*/
6434 * Wireless Handler : set extended Encryption parameters
6436 static int airo_set_encodeext(struct net_device *dev,
6437 struct iw_request_info *info,
6438 union iwreq_data *wrqu,
6441 struct airo_info *local = dev->priv;
6442 struct iw_point *encoding = &wrqu->encoding;
6443 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6444 CapabilityRid cap_rid; /* Card capability info */
6445 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6446 u16 currentAuthType = local->config.authType;
6447 int idx, key_len, alg = ext->alg, set_key = 1;
6450 /* Is WEP supported ? */
6451 readCapabilityRid(local, &cap_rid, 1);
6452 /* Older firmware doesn't support this...
6453 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6456 readConfigRid(local, 1);
6458 /* Determine and validate the key index */
6459 idx = encoding->flags & IW_ENCODE_INDEX;
6461 if (!valid_index(&cap_rid, idx - 1))
6465 idx = get_wep_key(local, 0xffff);
6467 if (encoding->flags & IW_ENCODE_DISABLED)
6468 alg = IW_ENCODE_ALG_NONE;
6470 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6471 /* Only set transmit key index here, actual
6472 * key is set below if needed.
6474 set_wep_key(local, idx, NULL, 0, perm, 1);
6475 set_key = ext->key_len > 0 ? 1 : 0;
6479 /* Set the requested key first */
6480 memset(key.key, 0, MAX_KEY_SIZE);
6482 case IW_ENCODE_ALG_NONE:
6485 case IW_ENCODE_ALG_WEP:
6486 if (ext->key_len > MIN_KEY_SIZE) {
6487 key.len = MAX_KEY_SIZE;
6488 } else if (ext->key_len > 0) {
6489 key.len = MIN_KEY_SIZE;
6493 key_len = min (ext->key_len, key.len);
6494 memcpy(key.key, ext->key, key_len);
6499 /* Send the key to the card */
6500 set_wep_key(local, idx, key.key, key.len, perm, 1);
6503 /* Read the flags */
6504 if(encoding->flags & IW_ENCODE_DISABLED)
6505 local->config.authType = AUTH_OPEN; // disable encryption
6506 if(encoding->flags & IW_ENCODE_RESTRICTED)
6507 local->config.authType = AUTH_SHAREDKEY; // Only Both
6508 if(encoding->flags & IW_ENCODE_OPEN)
6509 local->config.authType = AUTH_ENCRYPT; // Only Wep
6510 /* Commit the changes to flags if needed */
6511 if (local->config.authType != currentAuthType)
6512 set_bit (FLAG_COMMIT, &local->flags);
6514 return -EINPROGRESS;
6518 /*------------------------------------------------------------------*/
6520 * Wireless Handler : get extended Encryption parameters
6522 static int airo_get_encodeext(struct net_device *dev,
6523 struct iw_request_info *info,
6524 union iwreq_data *wrqu,
6527 struct airo_info *local = dev->priv;
6528 struct iw_point *encoding = &wrqu->encoding;
6529 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6530 CapabilityRid cap_rid; /* Card capability info */
6531 int idx, max_key_len;
6533 /* Is it supported ? */
6534 readCapabilityRid(local, &cap_rid, 1);
6535 if(!(cap_rid.softCap & cpu_to_le16(2))) {
6538 readConfigRid(local, 1);
6540 max_key_len = encoding->length - sizeof(*ext);
6541 if (max_key_len < 0)
6544 idx = encoding->flags & IW_ENCODE_INDEX;
6546 if (!valid_index(&cap_rid, idx - 1))
6550 idx = get_wep_key(local, 0xffff);
6552 encoding->flags = idx + 1;
6553 memset(ext, 0, sizeof(*ext));
6555 /* Check encryption mode */
6556 switch(local->config.authType) {
6558 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6560 case AUTH_SHAREDKEY:
6561 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6565 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6568 /* We can't return the key, so set the proper flag and return zero */
6569 encoding->flags |= IW_ENCODE_NOKEY;
6570 memset(extra, 0, 16);
6572 /* Copy the key to the user buffer */
6573 ext->key_len = get_wep_key(local, idx);
6574 if (ext->key_len > 16) {
6582 /*------------------------------------------------------------------*/
6584 * Wireless Handler : set extended authentication parameters
6586 static int airo_set_auth(struct net_device *dev,
6587 struct iw_request_info *info,
6588 union iwreq_data *wrqu, char *extra)
6590 struct airo_info *local = dev->priv;
6591 struct iw_param *param = &wrqu->param;
6592 u16 currentAuthType = local->config.authType;
6594 switch (param->flags & IW_AUTH_INDEX) {
6595 case IW_AUTH_WPA_VERSION:
6596 case IW_AUTH_CIPHER_PAIRWISE:
6597 case IW_AUTH_CIPHER_GROUP:
6598 case IW_AUTH_KEY_MGMT:
6599 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6600 case IW_AUTH_PRIVACY_INVOKED:
6602 * airo does not use these parameters
6606 case IW_AUTH_DROP_UNENCRYPTED:
6608 /* Only change auth type if unencrypted */
6609 if (currentAuthType == AUTH_OPEN)
6610 local->config.authType = AUTH_ENCRYPT;
6612 local->config.authType = AUTH_OPEN;
6615 /* Commit the changes to flags if needed */
6616 if (local->config.authType != currentAuthType)
6617 set_bit (FLAG_COMMIT, &local->flags);
6620 case IW_AUTH_80211_AUTH_ALG: {
6621 /* FIXME: What about AUTH_OPEN? This API seems to
6622 * disallow setting our auth to AUTH_OPEN.
6624 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6625 local->config.authType = AUTH_SHAREDKEY;
6626 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6627 local->config.authType = AUTH_ENCRYPT;
6632 /* Commit the changes to flags if needed */
6633 if (local->config.authType != currentAuthType)
6634 set_bit (FLAG_COMMIT, &local->flags);
6637 case IW_AUTH_WPA_ENABLED:
6638 /* Silently accept disable of WPA */
6639 if (param->value > 0)
6646 return -EINPROGRESS;
6650 /*------------------------------------------------------------------*/
6652 * Wireless Handler : get extended authentication parameters
6654 static int airo_get_auth(struct net_device *dev,
6655 struct iw_request_info *info,
6656 union iwreq_data *wrqu, char *extra)
6658 struct airo_info *local = dev->priv;
6659 struct iw_param *param = &wrqu->param;
6660 u16 currentAuthType = local->config.authType;
6662 switch (param->flags & IW_AUTH_INDEX) {
6663 case IW_AUTH_DROP_UNENCRYPTED:
6664 switch (currentAuthType) {
6665 case AUTH_SHAREDKEY:
6675 case IW_AUTH_80211_AUTH_ALG:
6676 switch (currentAuthType) {
6677 case AUTH_SHAREDKEY:
6678 param->value = IW_AUTH_ALG_SHARED_KEY;
6682 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6687 case IW_AUTH_WPA_ENABLED:
6698 /*------------------------------------------------------------------*/
6700 * Wireless Handler : set Tx-Power
6702 static int airo_set_txpow(struct net_device *dev,
6703 struct iw_request_info *info,
6704 struct iw_param *vwrq,
6707 struct airo_info *local = dev->priv;
6708 CapabilityRid cap_rid; /* Card capability info */
6712 readCapabilityRid(local, &cap_rid, 1);
6714 if (vwrq->disabled) {
6715 set_bit (FLAG_RADIO_OFF, &local->flags);
6716 set_bit (FLAG_COMMIT, &local->flags);
6717 return -EINPROGRESS; /* Call commit handler */
6719 if (vwrq->flags != IW_TXPOW_MWATT) {
6722 clear_bit (FLAG_RADIO_OFF, &local->flags);
6723 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6724 if (vwrq->value == le16_to_cpu(cap_rid.txPowerLevels[i])) {
6725 readConfigRid(local, 1);
6726 local->config.txPower = vwrq->value;
6727 set_bit (FLAG_COMMIT, &local->flags);
6728 rc = -EINPROGRESS; /* Call commit handler */
6734 /*------------------------------------------------------------------*/
6736 * Wireless Handler : get Tx-Power
6738 static int airo_get_txpow(struct net_device *dev,
6739 struct iw_request_info *info,
6740 struct iw_param *vwrq,
6743 struct airo_info *local = dev->priv;
6745 readConfigRid(local, 1);
6746 vwrq->value = local->config.txPower;
6747 vwrq->fixed = 1; /* No power control */
6748 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6749 vwrq->flags = IW_TXPOW_MWATT;
6754 /*------------------------------------------------------------------*/
6756 * Wireless Handler : set Retry limits
6758 static int airo_set_retry(struct net_device *dev,
6759 struct iw_request_info *info,
6760 struct iw_param *vwrq,
6763 struct airo_info *local = dev->priv;
6766 if(vwrq->disabled) {
6769 readConfigRid(local, 1);
6770 if(vwrq->flags & IW_RETRY_LIMIT) {
6771 if(vwrq->flags & IW_RETRY_LONG)
6772 local->config.longRetryLimit = vwrq->value;
6773 else if (vwrq->flags & IW_RETRY_SHORT)
6774 local->config.shortRetryLimit = vwrq->value;
6776 /* No modifier : set both */
6777 local->config.longRetryLimit = vwrq->value;
6778 local->config.shortRetryLimit = vwrq->value;
6780 set_bit (FLAG_COMMIT, &local->flags);
6781 rc = -EINPROGRESS; /* Call commit handler */
6783 if(vwrq->flags & IW_RETRY_LIFETIME) {
6784 local->config.txLifetime = vwrq->value / 1024;
6785 set_bit (FLAG_COMMIT, &local->flags);
6786 rc = -EINPROGRESS; /* Call commit handler */
6791 /*------------------------------------------------------------------*/
6793 * Wireless Handler : get Retry limits
6795 static int airo_get_retry(struct net_device *dev,
6796 struct iw_request_info *info,
6797 struct iw_param *vwrq,
6800 struct airo_info *local = dev->priv;
6802 vwrq->disabled = 0; /* Can't be disabled */
6804 readConfigRid(local, 1);
6805 /* Note : by default, display the min retry number */
6806 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6807 vwrq->flags = IW_RETRY_LIFETIME;
6808 vwrq->value = (int)local->config.txLifetime * 1024;
6809 } else if((vwrq->flags & IW_RETRY_LONG)) {
6810 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6811 vwrq->value = (int)local->config.longRetryLimit;
6813 vwrq->flags = IW_RETRY_LIMIT;
6814 vwrq->value = (int)local->config.shortRetryLimit;
6815 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6816 vwrq->flags |= IW_RETRY_SHORT;
6822 /*------------------------------------------------------------------*/
6824 * Wireless Handler : get range info
6826 static int airo_get_range(struct net_device *dev,
6827 struct iw_request_info *info,
6828 struct iw_point *dwrq,
6831 struct airo_info *local = dev->priv;
6832 struct iw_range *range = (struct iw_range *) extra;
6833 CapabilityRid cap_rid; /* Card capability info */
6837 readCapabilityRid(local, &cap_rid, 1);
6839 dwrq->length = sizeof(struct iw_range);
6840 memset(range, 0, sizeof(*range));
6841 range->min_nwid = 0x0000;
6842 range->max_nwid = 0x0000;
6843 range->num_channels = 14;
6844 /* Should be based on cap_rid.country to give only
6845 * what the current card support */
6847 for(i = 0; i < 14; i++) {
6848 range->freq[k].i = i + 1; /* List index */
6849 range->freq[k].m = frequency_list[i] * 100000;
6850 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6852 range->num_frequency = k;
6854 range->sensitivity = 65535;
6856 /* Hum... Should put the right values there */
6858 range->max_qual.qual = 100; /* % */
6860 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6861 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6862 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6864 /* Experimental measurements - boundary 11/5.5 Mb/s */
6865 /* Note : with or without the (local->rssi), results
6866 * are somewhat different. - Jean II */
6868 range->avg_qual.qual = 50; /* % */
6869 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6871 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6872 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6874 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6876 for(i = 0 ; i < 8 ; i++) {
6877 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6878 if(range->bitrate[i] == 0)
6881 range->num_bitrates = i;
6883 /* Set an indication of the max TCP throughput
6884 * in bit/s that we can expect using this interface.
6885 * May be use for QoS stuff... Jean II */
6887 range->throughput = 5000 * 1000;
6889 range->throughput = 1500 * 1000;
6892 range->max_rts = AIRO_DEF_MTU;
6893 range->min_frag = 256;
6894 range->max_frag = AIRO_DEF_MTU;
6896 if(cap_rid.softCap & cpu_to_le16(2)) {
6898 range->encoding_size[0] = 5;
6900 if (cap_rid.softCap & cpu_to_le16(0x100)) {
6901 range->encoding_size[1] = 13;
6902 range->num_encoding_sizes = 2;
6904 range->num_encoding_sizes = 1;
6905 range->max_encoding_tokens =
6906 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1;
6908 range->num_encoding_sizes = 0;
6909 range->max_encoding_tokens = 0;
6912 range->max_pmp = 5000000; /* 5 secs */
6914 range->max_pmt = 65535 * 1024; /* ??? */
6915 range->pmp_flags = IW_POWER_PERIOD;
6916 range->pmt_flags = IW_POWER_TIMEOUT;
6917 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6919 /* Transmit Power - values are in mW */
6920 for(i = 0 ; i < 8 ; i++) {
6921 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]);
6922 if(range->txpower[i] == 0)
6925 range->num_txpower = i;
6926 range->txpower_capa = IW_TXPOW_MWATT;
6927 range->we_version_source = 19;
6928 range->we_version_compiled = WIRELESS_EXT;
6929 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6930 range->retry_flags = IW_RETRY_LIMIT;
6931 range->r_time_flags = IW_RETRY_LIFETIME;
6932 range->min_retry = 1;
6933 range->max_retry = 65535;
6934 range->min_r_time = 1024;
6935 range->max_r_time = 65535 * 1024;
6937 /* Event capability (kernel + driver) */
6938 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6939 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6940 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6941 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6942 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6943 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6947 /*------------------------------------------------------------------*/
6949 * Wireless Handler : set Power Management
6951 static int airo_set_power(struct net_device *dev,
6952 struct iw_request_info *info,
6953 struct iw_param *vwrq,
6956 struct airo_info *local = dev->priv;
6958 readConfigRid(local, 1);
6959 if (vwrq->disabled) {
6960 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6963 local->config.powerSaveMode = POWERSAVE_CAM;
6964 local->config.rmode &= 0xFF00;
6965 local->config.rmode |= RXMODE_BC_MC_ADDR;
6966 set_bit (FLAG_COMMIT, &local->flags);
6967 return -EINPROGRESS; /* Call commit handler */
6969 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6970 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6971 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6972 set_bit (FLAG_COMMIT, &local->flags);
6973 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6974 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6975 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6976 set_bit (FLAG_COMMIT, &local->flags);
6978 switch (vwrq->flags & IW_POWER_MODE) {
6979 case IW_POWER_UNICAST_R:
6980 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6983 local->config.rmode &= 0xFF00;
6984 local->config.rmode |= RXMODE_ADDR;
6985 set_bit (FLAG_COMMIT, &local->flags);
6987 case IW_POWER_ALL_R:
6988 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6991 local->config.rmode &= 0xFF00;
6992 local->config.rmode |= RXMODE_BC_MC_ADDR;
6993 set_bit (FLAG_COMMIT, &local->flags);
6995 /* This is broken, fixme ;-) */
7000 // Note : we may want to factor local->need_commit here
7001 // Note2 : may also want to factor RXMODE_RFMON test
7002 return -EINPROGRESS; /* Call commit handler */
7005 /*------------------------------------------------------------------*/
7007 * Wireless Handler : get Power Management
7009 static int airo_get_power(struct net_device *dev,
7010 struct iw_request_info *info,
7011 struct iw_param *vwrq,
7014 struct airo_info *local = dev->priv;
7017 readConfigRid(local, 1);
7018 mode = local->config.powerSaveMode;
7019 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7021 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7022 vwrq->value = (int)local->config.fastListenDelay * 1024;
7023 vwrq->flags = IW_POWER_TIMEOUT;
7025 vwrq->value = (int)local->config.fastListenInterval * 1024;
7026 vwrq->flags = IW_POWER_PERIOD;
7028 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7029 vwrq->flags |= IW_POWER_UNICAST_R;
7031 vwrq->flags |= IW_POWER_ALL_R;
7036 /*------------------------------------------------------------------*/
7038 * Wireless Handler : set Sensitivity
7040 static int airo_set_sens(struct net_device *dev,
7041 struct iw_request_info *info,
7042 struct iw_param *vwrq,
7045 struct airo_info *local = dev->priv;
7047 readConfigRid(local, 1);
7048 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7049 set_bit (FLAG_COMMIT, &local->flags);
7051 return -EINPROGRESS; /* Call commit handler */
7054 /*------------------------------------------------------------------*/
7056 * Wireless Handler : get Sensitivity
7058 static int airo_get_sens(struct net_device *dev,
7059 struct iw_request_info *info,
7060 struct iw_param *vwrq,
7063 struct airo_info *local = dev->priv;
7065 readConfigRid(local, 1);
7066 vwrq->value = local->config.rssiThreshold;
7067 vwrq->disabled = (vwrq->value == 0);
7073 /*------------------------------------------------------------------*/
7075 * Wireless Handler : get AP List
7076 * Note : this is deprecated in favor of IWSCAN
7078 static int airo_get_aplist(struct net_device *dev,
7079 struct iw_request_info *info,
7080 struct iw_point *dwrq,
7083 struct airo_info *local = dev->priv;
7084 struct sockaddr *address = (struct sockaddr *) extra;
7085 struct iw_quality qual[IW_MAX_AP];
7088 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7090 for (i = 0; i < IW_MAX_AP; i++) {
7092 if (readBSSListRid(local, loseSync, &BSSList))
7095 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7096 address[i].sa_family = ARPHRD_ETHER;
7097 dBm = le16_to_cpu(BSSList.dBm);
7099 qual[i].level = 0x100 - dBm;
7100 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7101 qual[i].updated = IW_QUAL_QUAL_UPDATED
7102 | IW_QUAL_LEVEL_UPDATED
7105 qual[i].level = (dBm + 321) / 2;
7107 qual[i].updated = IW_QUAL_QUAL_INVALID
7108 | IW_QUAL_LEVEL_UPDATED
7111 qual[i].noise = local->wstats.qual.noise;
7112 if (BSSList.index == cpu_to_le16(0xffff))
7116 StatusRid status_rid; /* Card status info */
7117 readStatusRid(local, &status_rid, 1);
7119 i < min(IW_MAX_AP, 4) &&
7120 (status_rid.bssid[i][0]
7121 & status_rid.bssid[i][1]
7122 & status_rid.bssid[i][2]
7123 & status_rid.bssid[i][3]
7124 & status_rid.bssid[i][4]
7125 & status_rid.bssid[i][5])!=0xff &&
7126 (status_rid.bssid[i][0]
7127 | status_rid.bssid[i][1]
7128 | status_rid.bssid[i][2]
7129 | status_rid.bssid[i][3]
7130 | status_rid.bssid[i][4]
7131 | status_rid.bssid[i][5]);
7133 memcpy(address[i].sa_data,
7134 status_rid.bssid[i], ETH_ALEN);
7135 address[i].sa_family = ARPHRD_ETHER;
7138 dwrq->flags = 1; /* Should be define'd */
7139 memcpy(extra + sizeof(struct sockaddr)*i,
7140 &qual, sizeof(struct iw_quality)*i);
7147 /*------------------------------------------------------------------*/
7149 * Wireless Handler : Initiate Scan
7151 static int airo_set_scan(struct net_device *dev,
7152 struct iw_request_info *info,
7153 struct iw_param *vwrq,
7156 struct airo_info *ai = dev->priv;
7161 /* Note : you may have realised that, as this is a SET operation,
7162 * this is privileged and therefore a normal user can't
7164 * This is not an error, while the device perform scanning,
7165 * traffic doesn't flow, so it's a perfect DoS...
7167 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7169 if (down_interruptible(&ai->sem))
7170 return -ERESTARTSYS;
7172 /* If there's already a scan in progress, don't
7173 * trigger another one. */
7174 if (ai->scan_timeout > 0)
7177 /* Initiate a scan command */
7178 ai->scan_timeout = RUN_AT(3*HZ);
7179 memset(&cmd, 0, sizeof(cmd));
7180 cmd.cmd=CMD_LISTBSS;
7181 issuecommand(ai, &cmd, &rsp);
7187 wake_up_interruptible(&ai->thr_wait);
7191 /*------------------------------------------------------------------*/
7193 * Translate scan data returned from the card to a card independent
7194 * format that the Wireless Tools will understand - Jean II
7196 static inline char *airo_translate_scan(struct net_device *dev,
7201 struct airo_info *ai = dev->priv;
7202 struct iw_event iwe; /* Temporary buffer */
7203 __le16 capabilities;
7204 char * current_val; /* For rates */
7209 /* First entry *MUST* be the AP MAC address */
7210 iwe.cmd = SIOCGIWAP;
7211 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7212 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7213 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7215 /* Other entries will be displayed in the order we give them */
7218 iwe.u.data.length = bss->ssidLen;
7219 if(iwe.u.data.length > 32)
7220 iwe.u.data.length = 32;
7221 iwe.cmd = SIOCGIWESSID;
7222 iwe.u.data.flags = 1;
7223 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7226 iwe.cmd = SIOCGIWMODE;
7227 capabilities = bss->cap;
7228 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7229 if(capabilities & CAP_ESS)
7230 iwe.u.mode = IW_MODE_MASTER;
7232 iwe.u.mode = IW_MODE_ADHOC;
7233 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7237 iwe.cmd = SIOCGIWFREQ;
7238 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7239 /* iwe.u.freq.m containt the channel (starting 1), our
7240 * frequency_list array start at index 0...
7242 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7244 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7246 dBm = le16_to_cpu(bss->dBm);
7248 /* Add quality statistics */
7251 iwe.u.qual.level = 0x100 - dBm;
7252 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7253 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7254 | IW_QUAL_LEVEL_UPDATED
7257 iwe.u.qual.level = (dBm + 321) / 2;
7258 iwe.u.qual.qual = 0;
7259 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7260 | IW_QUAL_LEVEL_UPDATED
7263 iwe.u.qual.noise = ai->wstats.qual.noise;
7264 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7266 /* Add encryption capability */
7267 iwe.cmd = SIOCGIWENCODE;
7268 if(capabilities & CAP_PRIVACY)
7269 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7271 iwe.u.data.flags = IW_ENCODE_DISABLED;
7272 iwe.u.data.length = 0;
7273 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7275 /* Rate : stuffing multiple values in a single event require a bit
7276 * more of magic - Jean II */
7277 current_val = current_ev + IW_EV_LCP_LEN;
7279 iwe.cmd = SIOCGIWRATE;
7280 /* Those two flags are ignored... */
7281 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7283 for(i = 0 ; i < 8 ; i++) {
7284 /* NULL terminated */
7285 if(bss->rates[i] == 0)
7287 /* Bit rate given in 500 kb/s units (+ 0x80) */
7288 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7289 /* Add new value to event */
7290 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7292 /* Check if we added any event */
7293 if((current_val - current_ev) > IW_EV_LCP_LEN)
7294 current_ev = current_val;
7296 /* Beacon interval */
7297 buf = kmalloc(30, GFP_KERNEL);
7299 iwe.cmd = IWEVCUSTOM;
7300 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7301 iwe.u.data.length = strlen(buf);
7302 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7306 /* Put WPA/RSN Information Elements into the event stream */
7307 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7308 unsigned int num_null_ies = 0;
7309 u16 length = sizeof (bss->extra.iep);
7310 struct ieee80211_info_element *info_element =
7311 (struct ieee80211_info_element *) &bss->extra.iep;
7313 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7314 if (sizeof(*info_element) + info_element->len > length) {
7315 /* Invalid element, don't continue parsing IE */
7319 switch (info_element->id) {
7320 case MFIE_TYPE_SSID:
7321 /* Two zero-length SSID elements
7322 * mean we're done parsing elements */
7323 if (!info_element->len)
7327 case MFIE_TYPE_GENERIC:
7328 if (info_element->len >= 4 &&
7329 info_element->data[0] == 0x00 &&
7330 info_element->data[1] == 0x50 &&
7331 info_element->data[2] == 0xf2 &&
7332 info_element->data[3] == 0x01) {
7333 iwe.cmd = IWEVGENIE;
7334 iwe.u.data.length = min(info_element->len + 2,
7336 current_ev = iwe_stream_add_point(current_ev, end_buf,
7337 &iwe, (char *) info_element);
7342 iwe.cmd = IWEVGENIE;
7343 iwe.u.data.length = min(info_element->len + 2,
7345 current_ev = iwe_stream_add_point(current_ev, end_buf,
7346 &iwe, (char *) info_element);
7353 length -= sizeof(*info_element) + info_element->len;
7355 (struct ieee80211_info_element *)&info_element->
7356 data[info_element->len];
7362 /*------------------------------------------------------------------*/
7364 * Wireless Handler : Read Scan Results
7366 static int airo_get_scan(struct net_device *dev,
7367 struct iw_request_info *info,
7368 struct iw_point *dwrq,
7371 struct airo_info *ai = dev->priv;
7372 BSSListElement *net;
7374 char *current_ev = extra;
7376 /* If a scan is in-progress, return -EAGAIN */
7377 if (ai->scan_timeout > 0)
7380 if (down_interruptible(&ai->sem))
7383 list_for_each_entry (net, &ai->network_list, list) {
7384 /* Translate to WE format this entry */
7385 current_ev = airo_translate_scan(dev, current_ev,
7386 extra + dwrq->length,
7389 /* Check if there is space for one more entry */
7390 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7391 /* Ask user space to try again with a bigger buffer */
7397 /* Length of data */
7398 dwrq->length = (current_ev - extra);
7399 dwrq->flags = 0; /* todo */
7406 /*------------------------------------------------------------------*/
7408 * Commit handler : called after a bunch of SET operations
7410 static int airo_config_commit(struct net_device *dev,
7411 struct iw_request_info *info, /* NULL */
7412 void *zwrq, /* NULL */
7413 char *extra) /* NULL */
7415 struct airo_info *local = dev->priv;
7417 if (!test_bit (FLAG_COMMIT, &local->flags))
7420 /* Some of the "SET" function may have modified some of the
7421 * parameters. It's now time to commit them in the card */
7422 disable_MAC(local, 1);
7423 if (test_bit (FLAG_RESET, &local->flags)) {
7424 APListRid APList_rid;
7427 readAPListRid(local, &APList_rid);
7428 readSsidRid(local, &SSID_rid);
7429 if (test_bit(FLAG_MPI,&local->flags))
7430 setup_card(local, dev->dev_addr, 1 );
7432 reset_airo_card(dev);
7433 disable_MAC(local, 1);
7434 writeSsidRid(local, &SSID_rid, 1);
7435 writeAPListRid(local, &APList_rid, 1);
7437 if (down_interruptible(&local->sem))
7438 return -ERESTARTSYS;
7439 writeConfigRid(local, 0);
7440 enable_MAC(local, 0);
7441 if (test_bit (FLAG_RESET, &local->flags))
7442 airo_set_promisc(local);
7449 /*------------------------------------------------------------------*/
7451 * Structures to export the Wireless Handlers
7454 static const struct iw_priv_args airo_private_args[] = {
7455 /*{ cmd, set_args, get_args, name } */
7456 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7457 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7458 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7459 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7462 static const iw_handler airo_handler[] =
7464 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7465 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7466 (iw_handler) NULL, /* SIOCSIWNWID */
7467 (iw_handler) NULL, /* SIOCGIWNWID */
7468 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7469 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7470 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7471 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7472 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7473 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7474 (iw_handler) NULL, /* SIOCSIWRANGE */
7475 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7476 (iw_handler) NULL, /* SIOCSIWPRIV */
7477 (iw_handler) NULL, /* SIOCGIWPRIV */
7478 (iw_handler) NULL, /* SIOCSIWSTATS */
7479 (iw_handler) NULL, /* SIOCGIWSTATS */
7480 iw_handler_set_spy, /* SIOCSIWSPY */
7481 iw_handler_get_spy, /* SIOCGIWSPY */
7482 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7483 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7484 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7485 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7486 (iw_handler) NULL, /* -- hole -- */
7487 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7488 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7489 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7490 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7491 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7492 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7493 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7494 (iw_handler) NULL, /* -- hole -- */
7495 (iw_handler) NULL, /* -- hole -- */
7496 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7497 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7498 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7499 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7500 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7501 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7502 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7503 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7504 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7505 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7506 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7507 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7508 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7509 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7510 (iw_handler) NULL, /* -- hole -- */
7511 (iw_handler) NULL, /* -- hole -- */
7512 (iw_handler) NULL, /* SIOCSIWGENIE */
7513 (iw_handler) NULL, /* SIOCGIWGENIE */
7514 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7515 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7516 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7517 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7518 (iw_handler) NULL, /* SIOCSIWPMKSA */
7521 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7522 * We want to force the use of the ioctl code, because those can't be
7523 * won't work the iw_handler code (because they simultaneously read
7524 * and write data and iw_handler can't do that).
7525 * Note that it's perfectly legal to read/write on a single ioctl command,
7526 * you just can't use iwpriv and need to force it via the ioctl handler.
7528 static const iw_handler airo_private_handler[] =
7530 NULL, /* SIOCIWFIRSTPRIV */
7533 static const struct iw_handler_def airo_handler_def =
7535 .num_standard = ARRAY_SIZE(airo_handler),
7536 .num_private = ARRAY_SIZE(airo_private_handler),
7537 .num_private_args = ARRAY_SIZE(airo_private_args),
7538 .standard = airo_handler,
7539 .private = airo_private_handler,
7540 .private_args = airo_private_args,
7541 .get_wireless_stats = airo_get_wireless_stats,
7545 * This defines the configuration part of the Wireless Extensions
7546 * Note : irq and spinlock protection will occur in the subroutines
7549 * o Check input value more carefully and fill correct values in range
7550 * o Test and shakeout the bugs (if any)
7554 * Javier Achirica did a great job of merging code from the unnamed CISCO
7555 * developer that added support for flashing the card.
7557 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7560 struct airo_info *ai = (struct airo_info *)dev->priv;
7562 if (ai->power.event)
7572 int val = AIROMAGIC;
7574 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7576 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7585 /* Get the command struct and hand it off for evaluation by
7586 * the proper subfunction
7590 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7595 /* Separate R/W functions bracket legality here
7597 if ( com.command == AIRORSWVERSION ) {
7598 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7603 else if ( com.command <= AIRORRID)
7604 rc = readrids(dev,&com);
7605 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7606 rc = writerids(dev,&com);
7607 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7608 rc = flashcard(dev,&com);
7610 rc = -EINVAL; /* Bad command in ioctl */
7613 #endif /* CISCO_EXT */
7615 // All other calls are currently unsupported
7623 * Get the Wireless stats out of the driver
7624 * Note : irq and spinlock protection will occur in the subroutines
7627 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7631 static void airo_read_wireless_stats(struct airo_info *local)
7633 StatusRid status_rid;
7635 CapabilityRid cap_rid;
7636 __le32 *vals = stats_rid.vals;
7638 /* Get stats out of the card */
7639 clear_bit(JOB_WSTATS, &local->jobs);
7640 if (local->power.event) {
7644 readCapabilityRid(local, &cap_rid, 0);
7645 readStatusRid(local, &status_rid, 0);
7646 readStatsRid(local, &stats_rid, RID_STATS, 0);
7650 local->wstats.status = status_rid.mode;
7652 /* Signal quality and co */
7654 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7655 /* normalizedSignalStrength appears to be a percentage */
7656 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7658 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7659 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7661 if (status_rid.len >= 124) {
7662 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7663 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7665 local->wstats.qual.noise = 0;
7666 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7669 /* Packets discarded in the wireless adapter due to wireless
7670 * specific problems */
7671 local->wstats.discard.nwid = le32_to_cpu(vals[56]) +
7672 le32_to_cpu(vals[57]) +
7673 le32_to_cpu(vals[58]); /* SSID Mismatch */
7674 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */
7675 local->wstats.discard.fragment = le32_to_cpu(vals[30]);
7676 local->wstats.discard.retries = le32_to_cpu(vals[10]);
7677 local->wstats.discard.misc = le32_to_cpu(vals[1]) +
7678 le32_to_cpu(vals[32]);
7679 local->wstats.miss.beacon = le32_to_cpu(vals[34]);
7682 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7684 struct airo_info *local = dev->priv;
7686 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7687 /* Get stats out of the card if available */
7688 if (down_trylock(&local->sem) != 0) {
7689 set_bit(JOB_WSTATS, &local->jobs);
7690 wake_up_interruptible(&local->thr_wait);
7692 airo_read_wireless_stats(local);
7695 return &local->wstats;
7700 * This just translates from driver IOCTL codes to the command codes to
7701 * feed to the radio's host interface. Things can be added/deleted
7702 * as needed. This represents the READ side of control I/O to
7705 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7706 unsigned short ridcode;
7707 unsigned char *iobuf;
7709 struct airo_info *ai = dev->priv;
7711 if (test_bit(FLAG_FLASHING, &ai->flags))
7714 switch(comp->command)
7716 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7717 case AIROGCFG: ridcode = RID_CONFIG;
7718 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7719 disable_MAC (ai, 1);
7720 writeConfigRid (ai, 1);
7724 case AIROGSLIST: ridcode = RID_SSID; break;
7725 case AIROGVLIST: ridcode = RID_APLIST; break;
7726 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7727 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7728 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7729 /* Only super-user can read WEP keys */
7730 if (!capable(CAP_NET_ADMIN))
7733 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7734 /* Only super-user can read WEP keys */
7735 if (!capable(CAP_NET_ADMIN))
7738 case AIROGSTAT: ridcode = RID_STATUS; break;
7739 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7740 case AIROGSTATSC32: ridcode = RID_STATS; break;
7742 if (copy_to_user(comp->data, &ai->micstats,
7743 min((int)comp->len,(int)sizeof(ai->micstats))))
7746 case AIRORRID: ridcode = comp->ridnum; break;
7752 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7755 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7756 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7757 * then return it to the user
7758 * 9/22/2000 Honor user given length
7762 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7771 * Danger Will Robinson write the rids here
7774 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7775 struct airo_info *ai = dev->priv;
7778 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7779 unsigned char *iobuf;
7781 /* Only super-user can write RIDs */
7782 if (!capable(CAP_NET_ADMIN))
7785 if (test_bit(FLAG_FLASHING, &ai->flags))
7789 writer = do_writerid;
7791 switch(comp->command)
7793 case AIROPSIDS: ridcode = RID_SSID; break;
7794 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7795 case AIROPAPLIST: ridcode = RID_APLIST; break;
7796 case AIROPCFG: ai->config.len = 0;
7797 clear_bit(FLAG_COMMIT, &ai->flags);
7798 ridcode = RID_CONFIG; break;
7799 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7800 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7801 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7802 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7804 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7805 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7807 /* this is not really a rid but a command given to the card
7811 if (enable_MAC(ai, 1) != 0)
7816 * Evidently this code in the airo driver does not get a symbol
7817 * as disable_MAC. it's probably so short the compiler does not gen one.
7823 /* This command merely clears the counts does not actually store any data
7824 * only reads rid. But as it changes the cards state, I put it in the
7825 * writerid routines.
7828 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7831 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7833 enabled = ai->micstats.enabled;
7834 memset(&ai->micstats,0,sizeof(ai->micstats));
7835 ai->micstats.enabled = enabled;
7837 if (copy_to_user(comp->data, iobuf,
7838 min((int)comp->len, (int)RIDSIZE))) {
7846 return -EOPNOTSUPP; /* Blarg! */
7848 if(comp->len > RIDSIZE)
7851 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7854 if (copy_from_user(iobuf,comp->data,comp->len)) {
7859 if (comp->command == AIROPCFG) {
7860 ConfigRid *cfg = (ConfigRid *)iobuf;
7862 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7863 cfg->opmode |= cpu_to_le16(MODE_MIC);
7865 if ((le16_to_cpu(cfg->opmode) & 0xFF) == MODE_STA_IBSS)
7866 set_bit (FLAG_ADHOC, &ai->flags);
7868 clear_bit (FLAG_ADHOC, &ai->flags);
7871 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7879 /*****************************************************************************
7880 * Ancillary flash / mod functions much black magic lurkes here *
7881 *****************************************************************************
7885 * Flash command switch table
7888 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7891 /* Only super-user can modify flash */
7892 if (!capable(CAP_NET_ADMIN))
7895 switch(comp->command)
7898 return cmdreset((struct airo_info *)dev->priv);
7901 if (!((struct airo_info *)dev->priv)->flash &&
7902 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7904 return setflashmode((struct airo_info *)dev->priv);
7906 case AIROFLSHGCHR: /* Get char from aux */
7907 if(comp->len != sizeof(int))
7909 if (copy_from_user(&z,comp->data,comp->len))
7911 return flashgchar((struct airo_info *)dev->priv,z,8000);
7913 case AIROFLSHPCHR: /* Send char to card. */
7914 if(comp->len != sizeof(int))
7916 if (copy_from_user(&z,comp->data,comp->len))
7918 return flashpchar((struct airo_info *)dev->priv,z,8000);
7920 case AIROFLPUTBUF: /* Send 32k to card */
7921 if (!((struct airo_info *)dev->priv)->flash)
7923 if(comp->len > FLASHSIZE)
7925 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7928 flashputbuf((struct airo_info *)dev->priv);
7932 if(flashrestart((struct airo_info *)dev->priv,dev))
7939 #define FLASH_COMMAND 0x7e7e
7943 * Disable MAC and do soft reset on
7947 static int cmdreset(struct airo_info *ai) {
7951 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7955 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7957 ssleep(1); /* WAS 600 12/7/00 */
7960 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7967 * Put the card in legendary flash
7971 static int setflashmode (struct airo_info *ai) {
7972 set_bit (FLAG_FLASHING, &ai->flags);
7974 OUT4500(ai, SWS0, FLASH_COMMAND);
7975 OUT4500(ai, SWS1, FLASH_COMMAND);
7977 OUT4500(ai, SWS0, FLASH_COMMAND);
7978 OUT4500(ai, COMMAND,0x10);
7980 OUT4500(ai, SWS2, FLASH_COMMAND);
7981 OUT4500(ai, SWS3, FLASH_COMMAND);
7982 OUT4500(ai, COMMAND,0);
7984 msleep(500); /* 500ms delay */
7987 clear_bit (FLAG_FLASHING, &ai->flags);
7988 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7994 /* Put character to SWS0 wait for dwelltime
7998 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8009 /* Wait for busy bit d15 to go false indicating buffer empty */
8010 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8015 /* timeout for busy clear wait */
8017 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8021 /* Port is clear now write byte and wait for it to echo back */
8023 OUT4500(ai,SWS0,byte);
8026 echo = IN4500(ai,SWS1);
8027 } while (dwelltime >= 0 && echo != byte);
8031 return (echo == byte) ? 0 : -EIO;
8035 * Get a character from the card matching matchbyte
8038 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8040 unsigned char rbyte=0;
8043 rchar = IN4500(ai,SWS1);
8045 if(dwelltime && !(0x8000 & rchar)){
8050 rbyte = 0xff & rchar;
8052 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8056 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8060 }while(dwelltime > 0);
8065 * Transfer 32k of firmware data from user buffer to our buffer and
8069 static int flashputbuf(struct airo_info *ai){
8073 if (test_bit(FLAG_MPI,&ai->flags))
8074 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8076 OUT4500(ai,AUXPAGE,0x100);
8077 OUT4500(ai,AUXOFF,0);
8079 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8080 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8083 OUT4500(ai,SWS0,0x8000);
8091 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8094 ssleep(1); /* Added 12/7/00 */
8095 clear_bit (FLAG_FLASHING, &ai->flags);
8096 if (test_bit(FLAG_MPI, &ai->flags)) {
8097 status = mpi_init_descriptors(ai);
8098 if (status != SUCCESS)
8101 status = setup_card(ai, dev->dev_addr, 1);
8103 if (!test_bit(FLAG_MPI,&ai->flags))
8104 for( i = 0; i < MAX_FIDS; i++ ) {
8105 ai->fids[i] = transmit_allocate
8106 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8109 ssleep(1); /* Added 12/7/00 */
8112 #endif /* CISCO_EXT */
8115 This program is free software; you can redistribute it and/or
8116 modify it under the terms of the GNU General Public License
8117 as published by the Free Software Foundation; either version 2
8118 of the License, or (at your option) any later version.
8120 This program is distributed in the hope that it will be useful,
8121 but WITHOUT ANY WARRANTY; without even the implied warranty of
8122 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8123 GNU General Public License for more details.
8127 Redistribution and use in source and binary forms, with or without
8128 modification, are permitted provided that the following conditions
8131 1. Redistributions of source code must retain the above copyright
8132 notice, this list of conditions and the following disclaimer.
8133 2. Redistributions in binary form must reproduce the above copyright
8134 notice, this list of conditions and the following disclaimer in the
8135 documentation and/or other materials provided with the distribution.
8136 3. The name of the author may not be used to endorse or promote
8137 products derived from this software without specific prior written
8140 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8141 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8142 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8143 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8144 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8145 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8146 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8147 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8148 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8149 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8150 POSSIBILITY OF SUCH DAMAGE.
8153 module_init(airo_init_module);
8154 module_exit(airo_cleanup_module);