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 u16 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) {
1754 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1755 wkr, sizeof(*wkr), lock);
1757 wkr->len = le16_to_cpu(wkr->len);
1758 wkr->kindex = le16_to_cpu(wkr->kindex);
1759 wkr->klen = le16_to_cpu(wkr->klen);
1762 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1763 * the originals when we endian them... */
1764 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1766 WepKeyRid wkr = *pwkr;
1768 wkr.len = cpu_to_le16(wkr.len);
1769 wkr.kindex = cpu_to_le16(wkr.kindex);
1770 wkr.klen = cpu_to_le16(wkr.klen);
1771 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1772 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1774 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1776 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1782 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr)
1784 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1787 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock)
1789 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock);
1792 static int readConfigRid(struct airo_info*ai, int lock) {
1800 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1804 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1806 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1807 *s = le16_to_cpu(*s);
1809 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1810 *s = le16_to_cpu(*s);
1812 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1813 *s = cpu_to_le16(*s);
1815 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1816 *s = cpu_to_le16(*s);
1821 static inline void checkThrottle(struct airo_info *ai) {
1823 /* Old hardware had a limit on encryption speed */
1824 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1825 for(i=0; i<8; i++) {
1826 if (ai->config.rates[i] > maxencrypt) {
1827 ai->config.rates[i] = 0;
1832 static int writeConfigRid(struct airo_info*ai, int lock) {
1836 if (!test_bit (FLAG_COMMIT, &ai->flags))
1839 clear_bit (FLAG_COMMIT, &ai->flags);
1840 clear_bit (FLAG_RESET, &ai->flags);
1844 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1845 set_bit(FLAG_ADHOC, &ai->flags);
1847 clear_bit(FLAG_ADHOC, &ai->flags);
1849 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1851 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1852 *s = cpu_to_le16(*s);
1854 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1855 *s = cpu_to_le16(*s);
1857 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1858 *s = cpu_to_le16(*s);
1860 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1861 *s = cpu_to_le16(*s);
1863 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1865 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1866 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1869 statr->len = le16_to_cpu(statr->len);
1870 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1872 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1873 *s = le16_to_cpu(*s);
1874 statr->load = le16_to_cpu(statr->load);
1875 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1878 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1879 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1880 aplr->len = le16_to_cpu(aplr->len);
1883 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1885 aplr->len = cpu_to_le16(aplr->len);
1886 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1889 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1890 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1893 capr->len = le16_to_cpu(capr->len);
1894 capr->prodNum = le16_to_cpu(capr->prodNum);
1895 capr->radioType = le16_to_cpu(capr->radioType);
1896 capr->country = le16_to_cpu(capr->country);
1897 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1898 *s = le16_to_cpu(*s);
1901 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1902 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1905 sr->len = le16_to_cpu(sr->len);
1906 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1910 static void try_auto_wep(struct airo_info *ai)
1912 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1913 ai->expires = RUN_AT(3*HZ);
1914 wake_up_interruptible(&ai->thr_wait);
1918 static int airo_open(struct net_device *dev) {
1919 struct airo_info *ai = dev->priv;
1922 if (test_bit(FLAG_FLASHING, &ai->flags))
1925 /* Make sure the card is configured.
1926 * Wireless Extensions may postpone config changes until the card
1927 * is open (to pipeline changes and speed-up card setup). If
1928 * those changes are not yet commited, do it now - Jean II */
1929 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1931 writeConfigRid(ai, 1);
1934 if (ai->wifidev != dev) {
1935 clear_bit(JOB_DIE, &ai->jobs);
1936 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1937 if (IS_ERR(ai->airo_thread_task))
1938 return (int)PTR_ERR(ai->airo_thread_task);
1940 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1943 airo_print_err(dev->name,
1944 "register interrupt %d failed, rc %d",
1946 set_bit(JOB_DIE, &ai->jobs);
1947 kthread_stop(ai->airo_thread_task);
1951 /* Power on the MAC controller (which may have been disabled) */
1952 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1953 enable_interrupts(ai);
1959 netif_start_queue(dev);
1963 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1964 int npacks, pending;
1965 unsigned long flags;
1966 struct airo_info *ai = dev->priv;
1969 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1972 npacks = skb_queue_len (&ai->txq);
1974 if (npacks >= MAXTXQ - 1) {
1975 netif_stop_queue (dev);
1976 if (npacks > MAXTXQ) {
1977 ai->stats.tx_fifo_errors++;
1980 skb_queue_tail (&ai->txq, skb);
1984 spin_lock_irqsave(&ai->aux_lock, flags);
1985 skb_queue_tail (&ai->txq, skb);
1986 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1987 spin_unlock_irqrestore(&ai->aux_lock,flags);
1988 netif_wake_queue (dev);
1991 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1992 mpi_send_packet (dev);
2000 * Attempt to transmit a packet. Can be called from interrupt
2001 * or transmit . return number of packets we tried to send
2004 static int mpi_send_packet (struct net_device *dev)
2006 struct sk_buff *skb;
2007 unsigned char *buffer;
2010 struct airo_info *ai = dev->priv;
2013 /* get a packet to send */
2015 if ((skb = skb_dequeue(&ai->txq)) == NULL) {
2016 airo_print_err(dev->name,
2017 "%s: Dequeue'd zero in send_packet()",
2022 /* check min length*/
2023 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2026 ai->txfids[0].tx_desc.offset = 0;
2027 ai->txfids[0].tx_desc.valid = 1;
2028 ai->txfids[0].tx_desc.eoc = 1;
2029 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2032 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2033 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2034 * is immediatly after it. ------------------------------------------------
2035 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2036 * ------------------------------------------------
2039 memcpy((char *)ai->txfids[0].virtual_host_addr,
2040 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2042 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr +
2043 sizeof(wifictlhdr8023));
2044 sendbuf = ai->txfids[0].virtual_host_addr +
2045 sizeof(wifictlhdr8023) + 2 ;
2048 * Firmware automaticly puts 802 header on so
2049 * we don't need to account for it in the length
2051 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2052 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) {
2055 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2058 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2059 ai->txfids[0].tx_desc.len += sizeof(pMic);
2060 /* copy data into airo dma buffer */
2061 memcpy (sendbuf, buffer, sizeof(etherHead));
2062 buffer += sizeof(etherHead);
2063 sendbuf += sizeof(etherHead);
2064 memcpy (sendbuf, &pMic, sizeof(pMic));
2065 sendbuf += sizeof(pMic);
2066 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2068 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2070 dev->trans_start = jiffies;
2072 /* copy data into airo dma buffer */
2073 memcpy(sendbuf, buffer, len);
2076 memcpy_toio(ai->txfids[0].card_ram_off,
2077 &ai->txfids[0].tx_desc, sizeof(TxFid));
2079 OUT4500(ai, EVACK, 8);
2081 dev_kfree_skb_any(skb);
2085 static void get_tx_error(struct airo_info *ai, s32 fid)
2090 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2092 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2094 bap_read(ai, &status, 2, BAP0);
2096 if (le16_to_cpu(status) & 2) /* Too many retries */
2097 ai->stats.tx_aborted_errors++;
2098 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2099 ai->stats.tx_heartbeat_errors++;
2100 if (le16_to_cpu(status) & 8) /* Aid fail */
2102 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2103 ai->stats.tx_carrier_errors++;
2104 if (le16_to_cpu(status) & 0x20) /* Association lost */
2106 /* We produce a TXDROP event only for retry or lifetime
2107 * exceeded, because that's the only status that really mean
2108 * that this particular node went away.
2109 * Other errors means that *we* screwed up. - Jean II */
2110 if ((le16_to_cpu(status) & 2) ||
2111 (le16_to_cpu(status) & 4)) {
2112 union iwreq_data wrqu;
2115 /* Faster to skip over useless data than to do
2116 * another bap_setup(). We are at offset 0x6 and
2117 * need to go to 0x18 and read 6 bytes - Jean II */
2118 bap_read(ai, (__le16 *) junk, 0x18, BAP0);
2120 /* Copy 802.11 dest address.
2121 * We use the 802.11 header because the frame may
2122 * not be 802.3 or may be mangled...
2123 * In Ad-Hoc mode, it will be the node address.
2124 * In managed mode, it will be most likely the AP addr
2125 * User space will figure out how to convert it to
2126 * whatever it needs (IP address or else).
2128 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2129 wrqu.addr.sa_family = ARPHRD_ETHER;
2131 /* Send event to user space */
2132 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2136 static void airo_end_xmit(struct net_device *dev) {
2139 struct airo_info *priv = dev->priv;
2140 struct sk_buff *skb = priv->xmit.skb;
2141 int fid = priv->xmit.fid;
2142 u32 *fids = priv->fids;
2144 clear_bit(JOB_XMIT, &priv->jobs);
2145 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2146 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2150 if ( status == SUCCESS ) {
2151 dev->trans_start = jiffies;
2152 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2154 priv->fids[fid] &= 0xffff;
2155 priv->stats.tx_window_errors++;
2157 if (i < MAX_FIDS / 2)
2158 netif_wake_queue(dev);
2162 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2165 struct airo_info *priv = dev->priv;
2166 u32 *fids = priv->fids;
2168 if ( skb == NULL ) {
2169 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2173 /* Find a vacant FID */
2174 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2175 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2177 if ( j >= MAX_FIDS / 2 ) {
2178 netif_stop_queue(dev);
2180 if (i == MAX_FIDS / 2) {
2181 priv->stats.tx_fifo_errors++;
2185 /* check min length*/
2186 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2187 /* Mark fid as used & save length for later */
2188 fids[i] |= (len << 16);
2189 priv->xmit.skb = skb;
2191 if (down_trylock(&priv->sem) != 0) {
2192 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2193 netif_stop_queue(dev);
2194 set_bit(JOB_XMIT, &priv->jobs);
2195 wake_up_interruptible(&priv->thr_wait);
2201 static void airo_end_xmit11(struct net_device *dev) {
2204 struct airo_info *priv = dev->priv;
2205 struct sk_buff *skb = priv->xmit11.skb;
2206 int fid = priv->xmit11.fid;
2207 u32 *fids = priv->fids;
2209 clear_bit(JOB_XMIT11, &priv->jobs);
2210 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2211 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2215 if ( status == SUCCESS ) {
2216 dev->trans_start = jiffies;
2217 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2219 priv->fids[fid] &= 0xffff;
2220 priv->stats.tx_window_errors++;
2223 netif_wake_queue(dev);
2227 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2230 struct airo_info *priv = dev->priv;
2231 u32 *fids = priv->fids;
2233 if (test_bit(FLAG_MPI, &priv->flags)) {
2234 /* Not implemented yet for MPI350 */
2235 netif_stop_queue(dev);
2239 if ( skb == NULL ) {
2240 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2244 /* Find a vacant FID */
2245 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2246 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2248 if ( j >= MAX_FIDS ) {
2249 netif_stop_queue(dev);
2251 if (i == MAX_FIDS) {
2252 priv->stats.tx_fifo_errors++;
2256 /* check min length*/
2257 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2258 /* Mark fid as used & save length for later */
2259 fids[i] |= (len << 16);
2260 priv->xmit11.skb = skb;
2261 priv->xmit11.fid = i;
2262 if (down_trylock(&priv->sem) != 0) {
2263 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2264 netif_stop_queue(dev);
2265 set_bit(JOB_XMIT11, &priv->jobs);
2266 wake_up_interruptible(&priv->thr_wait);
2268 airo_end_xmit11(dev);
2272 static void airo_read_stats(struct airo_info *ai) {
2274 u32 *vals = stats_rid.vals;
2276 clear_bit(JOB_STATS, &ai->jobs);
2277 if (ai->power.event) {
2281 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2284 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2285 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2286 ai->stats.rx_bytes = vals[92];
2287 ai->stats.tx_bytes = vals[91];
2288 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2289 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2290 ai->stats.multicast = vals[43];
2291 ai->stats.collisions = vals[89];
2293 /* detailed rx_errors: */
2294 ai->stats.rx_length_errors = vals[3];
2295 ai->stats.rx_crc_errors = vals[4];
2296 ai->stats.rx_frame_errors = vals[2];
2297 ai->stats.rx_fifo_errors = vals[0];
2300 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2302 struct airo_info *local = dev->priv;
2304 if (!test_bit(JOB_STATS, &local->jobs)) {
2305 /* Get stats out of the card if available */
2306 if (down_trylock(&local->sem) != 0) {
2307 set_bit(JOB_STATS, &local->jobs);
2308 wake_up_interruptible(&local->thr_wait);
2310 airo_read_stats(local);
2313 return &local->stats;
2316 static void airo_set_promisc(struct airo_info *ai) {
2320 memset(&cmd, 0, sizeof(cmd));
2321 cmd.cmd=CMD_SETMODE;
2322 clear_bit(JOB_PROMISC, &ai->jobs);
2323 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2324 issuecommand(ai, &cmd, &rsp);
2328 static void airo_set_multicast_list(struct net_device *dev) {
2329 struct airo_info *ai = dev->priv;
2331 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2332 change_bit(FLAG_PROMISC, &ai->flags);
2333 if (down_trylock(&ai->sem) != 0) {
2334 set_bit(JOB_PROMISC, &ai->jobs);
2335 wake_up_interruptible(&ai->thr_wait);
2337 airo_set_promisc(ai);
2340 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2341 /* Turn on multicast. (Should be already setup...) */
2345 static int airo_set_mac_address(struct net_device *dev, void *p)
2347 struct airo_info *ai = dev->priv;
2348 struct sockaddr *addr = p;
2350 readConfigRid(ai, 1);
2351 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2352 set_bit (FLAG_COMMIT, &ai->flags);
2354 writeConfigRid (ai, 1);
2356 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2358 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2362 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2364 if ((new_mtu < 68) || (new_mtu > 2400))
2370 static LIST_HEAD(airo_devices);
2372 static void add_airo_dev(struct airo_info *ai)
2374 /* Upper layers already keep track of PCI devices,
2375 * so we only need to remember our non-PCI cards. */
2377 list_add_tail(&ai->dev_list, &airo_devices);
2380 static void del_airo_dev(struct airo_info *ai)
2383 list_del(&ai->dev_list);
2386 static int airo_close(struct net_device *dev) {
2387 struct airo_info *ai = dev->priv;
2389 netif_stop_queue(dev);
2391 if (ai->wifidev != dev) {
2392 #ifdef POWER_ON_DOWN
2393 /* Shut power to the card. The idea is that the user can save
2394 * power when he doesn't need the card with "ifconfig down".
2395 * That's the method that is most friendly towards the network
2396 * stack (i.e. the network stack won't try to broadcast
2397 * anything on the interface and routes are gone. Jean II */
2398 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2401 disable_interrupts( ai );
2403 free_irq(dev->irq, dev);
2405 set_bit(JOB_DIE, &ai->jobs);
2406 kthread_stop(ai->airo_thread_task);
2411 void stop_airo_card( struct net_device *dev, int freeres )
2413 struct airo_info *ai = dev->priv;
2415 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2417 disable_interrupts(ai);
2418 takedown_proc_entry( dev, ai );
2419 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2420 unregister_netdev( dev );
2422 unregister_netdev(ai->wifidev);
2423 free_netdev(ai->wifidev);
2426 clear_bit(FLAG_REGISTERED, &ai->flags);
2429 * Clean out tx queue
2431 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2432 struct sk_buff *skb = NULL;
2433 for (;(skb = skb_dequeue(&ai->txq));)
2437 airo_networks_free (ai);
2444 /* PCMCIA frees this stuff, so only for PCI and ISA */
2445 release_region( dev->base_addr, 64 );
2446 if (test_bit(FLAG_MPI, &ai->flags)) {
2448 mpi_unmap_card(ai->pci);
2450 iounmap(ai->pcimem);
2452 iounmap(ai->pciaux);
2453 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2454 ai->shared, ai->shared_dma);
2457 crypto_free_cipher(ai->tfm);
2462 EXPORT_SYMBOL(stop_airo_card);
2464 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
2466 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2470 static void mpi_unmap_card(struct pci_dev *pci)
2472 unsigned long mem_start = pci_resource_start(pci, 1);
2473 unsigned long mem_len = pci_resource_len(pci, 1);
2474 unsigned long aux_start = pci_resource_start(pci, 2);
2475 unsigned long aux_len = AUXMEMSIZE;
2477 release_mem_region(aux_start, aux_len);
2478 release_mem_region(mem_start, mem_len);
2481 /*************************************************************
2482 * This routine assumes that descriptors have been setup .
2483 * Run at insmod time or after reset when the decriptors
2484 * have been initialized . Returns 0 if all is well nz
2485 * otherwise . Does not allocate memory but sets up card
2486 * using previously allocated descriptors.
2488 static int mpi_init_descriptors (struct airo_info *ai)
2495 /* Alloc card RX descriptors */
2496 netif_stop_queue(ai->dev);
2498 memset(&rsp,0,sizeof(rsp));
2499 memset(&cmd,0,sizeof(cmd));
2501 cmd.cmd = CMD_ALLOCATEAUX;
2503 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2504 cmd.parm2 = MPI_MAX_FIDS;
2505 rc=issuecommand(ai, &cmd, &rsp);
2506 if (rc != SUCCESS) {
2507 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2511 for (i=0; i<MPI_MAX_FIDS; i++) {
2512 memcpy_toio(ai->rxfids[i].card_ram_off,
2513 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2516 /* Alloc card TX descriptors */
2518 memset(&rsp,0,sizeof(rsp));
2519 memset(&cmd,0,sizeof(cmd));
2521 cmd.cmd = CMD_ALLOCATEAUX;
2523 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2524 cmd.parm2 = MPI_MAX_FIDS;
2526 for (i=0; i<MPI_MAX_FIDS; i++) {
2527 ai->txfids[i].tx_desc.valid = 1;
2528 memcpy_toio(ai->txfids[i].card_ram_off,
2529 &ai->txfids[i].tx_desc, sizeof(TxFid));
2531 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2533 rc=issuecommand(ai, &cmd, &rsp);
2534 if (rc != SUCCESS) {
2535 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2539 /* Alloc card Rid descriptor */
2540 memset(&rsp,0,sizeof(rsp));
2541 memset(&cmd,0,sizeof(cmd));
2543 cmd.cmd = CMD_ALLOCATEAUX;
2545 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2546 cmd.parm2 = 1; /* Magic number... */
2547 rc=issuecommand(ai, &cmd, &rsp);
2548 if (rc != SUCCESS) {
2549 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2553 memcpy_toio(ai->config_desc.card_ram_off,
2554 &ai->config_desc.rid_desc, sizeof(Rid));
2560 * We are setting up three things here:
2561 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2562 * 2) Map PCI memory for issueing commands.
2563 * 3) Allocate memory (shared) to send and receive ethernet frames.
2565 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2567 unsigned long mem_start, mem_len, aux_start, aux_len;
2570 dma_addr_t busaddroff;
2571 unsigned char *vpackoff;
2572 unsigned char __iomem *pciaddroff;
2574 mem_start = pci_resource_start(pci, 1);
2575 mem_len = pci_resource_len(pci, 1);
2576 aux_start = pci_resource_start(pci, 2);
2577 aux_len = AUXMEMSIZE;
2579 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2580 airo_print_err("", "Couldn't get region %x[%x]",
2581 (int)mem_start, (int)mem_len);
2584 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2585 airo_print_err("", "Couldn't get region %x[%x]",
2586 (int)aux_start, (int)aux_len);
2590 ai->pcimem = ioremap(mem_start, mem_len);
2592 airo_print_err("", "Couldn't map region %x[%x]",
2593 (int)mem_start, (int)mem_len);
2596 ai->pciaux = ioremap(aux_start, aux_len);
2598 airo_print_err("", "Couldn't map region %x[%x]",
2599 (int)aux_start, (int)aux_len);
2603 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2604 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2606 airo_print_err("", "Couldn't alloc_consistent %d",
2612 * Setup descriptor RX, TX, CONFIG
2614 busaddroff = ai->shared_dma;
2615 pciaddroff = ai->pciaux + AUX_OFFSET;
2616 vpackoff = ai->shared;
2618 /* RX descriptor setup */
2619 for(i = 0; i < MPI_MAX_FIDS; i++) {
2620 ai->rxfids[i].pending = 0;
2621 ai->rxfids[i].card_ram_off = pciaddroff;
2622 ai->rxfids[i].virtual_host_addr = vpackoff;
2623 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2624 ai->rxfids[i].rx_desc.valid = 1;
2625 ai->rxfids[i].rx_desc.len = PKTSIZE;
2626 ai->rxfids[i].rx_desc.rdy = 0;
2628 pciaddroff += sizeof(RxFid);
2629 busaddroff += PKTSIZE;
2630 vpackoff += PKTSIZE;
2633 /* TX descriptor setup */
2634 for(i = 0; i < MPI_MAX_FIDS; i++) {
2635 ai->txfids[i].card_ram_off = pciaddroff;
2636 ai->txfids[i].virtual_host_addr = vpackoff;
2637 ai->txfids[i].tx_desc.valid = 1;
2638 ai->txfids[i].tx_desc.host_addr = busaddroff;
2639 memcpy(ai->txfids[i].virtual_host_addr,
2640 &wifictlhdr8023, sizeof(wifictlhdr8023));
2642 pciaddroff += sizeof(TxFid);
2643 busaddroff += PKTSIZE;
2644 vpackoff += PKTSIZE;
2646 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2648 /* Rid descriptor setup */
2649 ai->config_desc.card_ram_off = pciaddroff;
2650 ai->config_desc.virtual_host_addr = vpackoff;
2651 ai->config_desc.rid_desc.host_addr = busaddroff;
2652 ai->ridbus = busaddroff;
2653 ai->config_desc.rid_desc.rid = 0;
2654 ai->config_desc.rid_desc.len = RIDSIZE;
2655 ai->config_desc.rid_desc.valid = 1;
2656 pciaddroff += sizeof(Rid);
2657 busaddroff += RIDSIZE;
2658 vpackoff += RIDSIZE;
2660 /* Tell card about descriptors */
2661 if (mpi_init_descriptors (ai) != SUCCESS)
2666 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2668 iounmap(ai->pciaux);
2670 iounmap(ai->pcimem);
2672 release_mem_region(aux_start, aux_len);
2674 release_mem_region(mem_start, mem_len);
2679 static const struct header_ops airo_header_ops = {
2680 .parse = wll_header_parse,
2683 static void wifi_setup(struct net_device *dev)
2685 dev->header_ops = &airo_header_ops;
2686 dev->hard_start_xmit = &airo_start_xmit11;
2687 dev->get_stats = &airo_get_stats;
2688 dev->set_mac_address = &airo_set_mac_address;
2689 dev->do_ioctl = &airo_ioctl;
2690 dev->wireless_handlers = &airo_handler_def;
2691 dev->change_mtu = &airo_change_mtu;
2692 dev->open = &airo_open;
2693 dev->stop = &airo_close;
2695 dev->type = ARPHRD_IEEE80211;
2696 dev->hard_header_len = ETH_HLEN;
2697 dev->mtu = AIRO_DEF_MTU;
2698 dev->addr_len = ETH_ALEN;
2699 dev->tx_queue_len = 100;
2701 memset(dev->broadcast,0xFF, ETH_ALEN);
2703 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2706 static struct net_device *init_wifidev(struct airo_info *ai,
2707 struct net_device *ethdev)
2710 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2713 dev->priv = ethdev->priv;
2714 dev->irq = ethdev->irq;
2715 dev->base_addr = ethdev->base_addr;
2716 dev->wireless_data = ethdev->wireless_data;
2717 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2718 err = register_netdev(dev);
2726 static int reset_card( struct net_device *dev , int lock) {
2727 struct airo_info *ai = dev->priv;
2729 if (lock && down_interruptible(&ai->sem))
2732 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2741 #define AIRO_MAX_NETWORK_COUNT 64
2742 static int airo_networks_allocate(struct airo_info *ai)
2748 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2750 if (!ai->networks) {
2751 airo_print_warn("", "Out of memory allocating beacons");
2758 static void airo_networks_free(struct airo_info *ai)
2760 kfree(ai->networks);
2761 ai->networks = NULL;
2764 static void airo_networks_initialize(struct airo_info *ai)
2768 INIT_LIST_HEAD(&ai->network_free_list);
2769 INIT_LIST_HEAD(&ai->network_list);
2770 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2771 list_add_tail(&ai->networks[i].list,
2772 &ai->network_free_list);
2775 static int airo_test_wpa_capable(struct airo_info *ai)
2778 CapabilityRid cap_rid;
2780 status = readCapabilityRid(ai, &cap_rid, 1);
2781 if (status != SUCCESS) return 0;
2783 /* Only firmware versions 5.30.17 or better can do WPA */
2784 if ((cap_rid.softVer > 0x530)
2785 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2786 airo_print_info("", "WPA is supported.");
2790 /* No WPA support */
2791 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2792 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2796 static struct net_device *_init_airo_card( unsigned short irq, int port,
2797 int is_pcmcia, struct pci_dev *pci,
2798 struct device *dmdev )
2800 struct net_device *dev;
2801 struct airo_info *ai;
2803 DECLARE_MAC_BUF(mac);
2805 /* Create the network device object. */
2806 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2808 airo_print_err("", "Couldn't alloc_etherdev");
2814 ai->flags = 1 << FLAG_RADIO_DOWN;
2817 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2818 airo_print_dbg("", "Found an MPI350 card");
2819 set_bit(FLAG_MPI, &ai->flags);
2821 spin_lock_init(&ai->aux_lock);
2822 sema_init(&ai->sem, 1);
2825 init_waitqueue_head (&ai->thr_wait);
2829 if (airo_networks_allocate (ai))
2831 airo_networks_initialize (ai);
2833 /* The Airo-specific entries in the device structure. */
2834 if (test_bit(FLAG_MPI,&ai->flags)) {
2835 skb_queue_head_init (&ai->txq);
2836 dev->hard_start_xmit = &mpi_start_xmit;
2838 dev->hard_start_xmit = &airo_start_xmit;
2839 dev->get_stats = &airo_get_stats;
2840 dev->set_multicast_list = &airo_set_multicast_list;
2841 dev->set_mac_address = &airo_set_mac_address;
2842 dev->do_ioctl = &airo_ioctl;
2843 dev->wireless_handlers = &airo_handler_def;
2844 ai->wireless_data.spy_data = &ai->spy_data;
2845 dev->wireless_data = &ai->wireless_data;
2846 dev->change_mtu = &airo_change_mtu;
2847 dev->open = &airo_open;
2848 dev->stop = &airo_close;
2850 dev->base_addr = port;
2852 SET_NETDEV_DEV(dev, dmdev);
2854 reset_card (dev, 1);
2858 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2860 airo_print_err(dev->name, "Couldn't request region");
2865 if (test_bit(FLAG_MPI,&ai->flags)) {
2866 if (mpi_map_card(ai, pci)) {
2867 airo_print_err("", "Could not map memory");
2873 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2874 airo_print_err(dev->name, "MAC could not be enabled" );
2878 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2879 ai->bap_read = fast_bap_read;
2880 set_bit(FLAG_FLASHING, &ai->flags);
2883 /* Test for WPA support */
2884 if (airo_test_wpa_capable(ai)) {
2885 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2886 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2887 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2888 ai->bssListRidLen = sizeof(BSSListRid);
2890 ai->bssListFirst = RID_BSSLISTFIRST;
2891 ai->bssListNext = RID_BSSLISTNEXT;
2892 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2895 strcpy(dev->name, "eth%d");
2896 rc = register_netdev(dev);
2898 airo_print_err(dev->name, "Couldn't register_netdev");
2901 ai->wifidev = init_wifidev(ai, dev);
2905 set_bit(FLAG_REGISTERED,&ai->flags);
2906 airo_print_info(dev->name, "MAC enabled %s",
2907 print_mac(mac, dev->dev_addr));
2909 /* Allocate the transmit buffers */
2910 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2911 for( i = 0; i < MAX_FIDS; i++ )
2912 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2914 if (setup_proc_entry(dev, dev->priv) < 0)
2920 unregister_netdev(ai->wifidev);
2921 free_netdev(ai->wifidev);
2923 unregister_netdev(dev);
2925 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2926 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2927 iounmap(ai->pciaux);
2928 iounmap(ai->pcimem);
2929 mpi_unmap_card(ai->pci);
2933 release_region( dev->base_addr, 64 );
2935 airo_networks_free(ai);
2942 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2943 struct device *dmdev)
2945 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2948 EXPORT_SYMBOL(init_airo_card);
2950 static int waitbusy (struct airo_info *ai) {
2952 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2954 if ((++delay % 20) == 0)
2955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2957 return delay < 10000;
2960 int reset_airo_card( struct net_device *dev )
2963 struct airo_info *ai = dev->priv;
2964 DECLARE_MAC_BUF(mac);
2966 if (reset_card (dev, 1))
2969 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2970 airo_print_err(dev->name, "MAC could not be enabled");
2973 airo_print_info(dev->name, "MAC enabled %s",
2974 print_mac(mac, dev->dev_addr));
2975 /* Allocate the transmit buffers if needed */
2976 if (!test_bit(FLAG_MPI,&ai->flags))
2977 for( i = 0; i < MAX_FIDS; i++ )
2978 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2980 enable_interrupts( ai );
2981 netif_wake_queue(dev);
2985 EXPORT_SYMBOL(reset_airo_card);
2987 static void airo_send_event(struct net_device *dev) {
2988 struct airo_info *ai = dev->priv;
2989 union iwreq_data wrqu;
2990 StatusRid status_rid;
2992 clear_bit(JOB_EVENT, &ai->jobs);
2993 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2995 wrqu.data.length = 0;
2996 wrqu.data.flags = 0;
2997 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2998 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3000 /* Send event to user space */
3001 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3004 static void airo_process_scan_results (struct airo_info *ai) {
3005 union iwreq_data wrqu;
3008 BSSListElement * loop_net;
3009 BSSListElement * tmp_net;
3011 /* Blow away current list of scan results */
3012 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3013 list_move_tail (&loop_net->list, &ai->network_free_list);
3014 /* Don't blow away ->list, just BSS data */
3015 memset (loop_net, 0, sizeof (loop_net->bss));
3018 /* Try to read the first entry of the scan result */
3019 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3020 if((rc) || (bss.index == cpu_to_le16(0xffff))) {
3021 /* No scan results */
3025 /* Read and parse all entries */
3027 while((!rc) && (bss.index != cpu_to_le16(0xffff))) {
3028 /* Grab a network off the free list */
3029 if (!list_empty(&ai->network_free_list)) {
3030 tmp_net = list_entry(ai->network_free_list.next,
3031 BSSListElement, list);
3032 list_del(ai->network_free_list.next);
3035 if (tmp_net != NULL) {
3036 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3037 list_add_tail(&tmp_net->list, &ai->network_list);
3041 /* Read next entry */
3042 rc = PC4500_readrid(ai, ai->bssListNext,
3043 &bss, ai->bssListRidLen, 0);
3047 ai->scan_timeout = 0;
3048 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3051 /* Send an empty event to user space.
3052 * We don't send the received data on
3053 * the event because it would require
3054 * us to do complex transcoding, and
3055 * we want to minimise the work done in
3056 * the irq handler. Use a request to
3057 * extract the data - Jean II */
3058 wrqu.data.length = 0;
3059 wrqu.data.flags = 0;
3060 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3063 static int airo_thread(void *data) {
3064 struct net_device *dev = data;
3065 struct airo_info *ai = dev->priv;
3070 /* make swsusp happy with our thread */
3073 if (test_bit(JOB_DIE, &ai->jobs))
3077 locked = down_interruptible(&ai->sem);
3081 init_waitqueue_entry(&wait, current);
3082 add_wait_queue(&ai->thr_wait, &wait);
3084 set_current_state(TASK_INTERRUPTIBLE);
3087 if (ai->expires || ai->scan_timeout) {
3088 if (ai->scan_timeout &&
3089 time_after_eq(jiffies,ai->scan_timeout)){
3090 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3092 } else if (ai->expires &&
3093 time_after_eq(jiffies,ai->expires)){
3094 set_bit(JOB_AUTOWEP, &ai->jobs);
3097 if (!kthread_should_stop() &&
3098 !freezing(current)) {
3099 unsigned long wake_at;
3100 if (!ai->expires || !ai->scan_timeout) {
3101 wake_at = max(ai->expires,
3104 wake_at = min(ai->expires,
3107 schedule_timeout(wake_at - jiffies);
3110 } else if (!kthread_should_stop() &&
3111 !freezing(current)) {
3117 current->state = TASK_RUNNING;
3118 remove_wait_queue(&ai->thr_wait, &wait);
3125 if (test_bit(JOB_DIE, &ai->jobs)) {
3130 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3135 if (test_bit(JOB_XMIT, &ai->jobs))
3137 else if (test_bit(JOB_XMIT11, &ai->jobs))
3138 airo_end_xmit11(dev);
3139 else if (test_bit(JOB_STATS, &ai->jobs))
3140 airo_read_stats(ai);
3141 else if (test_bit(JOB_WSTATS, &ai->jobs))
3142 airo_read_wireless_stats(ai);
3143 else if (test_bit(JOB_PROMISC, &ai->jobs))
3144 airo_set_promisc(ai);
3145 else if (test_bit(JOB_MIC, &ai->jobs))
3147 else if (test_bit(JOB_EVENT, &ai->jobs))
3148 airo_send_event(dev);
3149 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3151 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3152 airo_process_scan_results(ai);
3153 else /* Shouldn't get here, but we make sure to unlock */
3160 static int header_len(__le16 ctl)
3162 u16 fc = le16_to_cpu(ctl);
3165 if ((fc & 0xe0) == 0xc0)
3166 return 10; /* one-address control packet */
3167 return 16; /* two-address control packet */
3169 if ((fc & 0x300) == 0x300)
3170 return 30; /* WDS packet */
3175 static irqreturn_t airo_interrupt(int irq, void *dev_id)
3177 struct net_device *dev = dev_id;
3180 struct airo_info *apriv = dev->priv;
3181 u16 savedInterrupts = 0;
3184 if (!netif_device_present(dev))
3188 status = IN4500( apriv, EVSTAT );
3189 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3193 if ( status & EV_AWAKE ) {
3194 OUT4500( apriv, EVACK, EV_AWAKE );
3195 OUT4500( apriv, EVACK, EV_AWAKE );
3198 if (!savedInterrupts) {
3199 savedInterrupts = IN4500( apriv, EVINTEN );
3200 OUT4500( apriv, EVINTEN, 0 );
3203 if ( status & EV_MIC ) {
3204 OUT4500( apriv, EVACK, EV_MIC );
3205 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3206 set_bit(JOB_MIC, &apriv->jobs);
3207 wake_up_interruptible(&apriv->thr_wait);
3210 if ( status & EV_LINK ) {
3211 union iwreq_data wrqu;
3212 int scan_forceloss = 0;
3213 /* The link status has changed, if you want to put a
3214 monitor hook in, do it here. (Remember that
3215 interrupts are still disabled!)
3217 u16 newStatus = IN4500(apriv, LINKSTAT);
3218 OUT4500( apriv, EVACK, EV_LINK);
3219 /* Here is what newStatus means: */
3220 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3221 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3222 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3223 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3224 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3225 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3226 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3227 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3229 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3231 #define ASSOCIATED 0x0400 /* Associated */
3232 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3233 #define RC_RESERVED 0 /* Reserved return code */
3234 #define RC_NOREASON 1 /* Unspecified reason */
3235 #define RC_AUTHINV 2 /* Previous authentication invalid */
3236 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3238 #define RC_NOACT 4 /* Disassociated due to inactivity */
3239 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3240 all currently associated stations */
3241 #define RC_BADCLASS2 6 /* Class 2 frame received from
3242 non-Authenticated station */
3243 #define RC_BADCLASS3 7 /* Class 3 frame received from
3244 non-Associated station */
3245 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3247 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3248 Authenticated with the responding station */
3249 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3251 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3254 if (apriv->list_bss_task)
3255 wake_up_process(apriv->list_bss_task);
3256 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3257 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3259 if (down_trylock(&apriv->sem) != 0) {
3260 set_bit(JOB_EVENT, &apriv->jobs);
3261 wake_up_interruptible(&apriv->thr_wait);
3263 airo_send_event(dev);
3264 } else if (!scan_forceloss) {
3265 if (auto_wep && !apriv->expires) {
3266 apriv->expires = RUN_AT(3*HZ);
3267 wake_up_interruptible(&apriv->thr_wait);
3270 /* Send event to user space */
3271 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3272 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3273 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3277 /* Check to see if there is something to receive */
3278 if ( status & EV_RX ) {
3279 struct sk_buff *skb = NULL;
3281 u16 len, hdrlen = 0;
3295 if (test_bit(FLAG_MPI,&apriv->flags)) {
3296 if (test_bit(FLAG_802_11, &apriv->flags))
3297 mpi_receive_802_11(apriv);
3299 mpi_receive_802_3(apriv);
3300 OUT4500(apriv, EVACK, EV_RX);
3304 fid = IN4500( apriv, RXFID );
3306 /* Get the packet length */
3307 if (test_bit(FLAG_802_11, &apriv->flags)) {
3308 bap_setup (apriv, fid, 4, BAP0);
3309 bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
3310 /* Bad CRC. Ignore packet */
3311 if (le16_to_cpu(hdr.status) & 2)
3313 if (apriv->wifidev == NULL)
3316 bap_setup (apriv, fid, 0x36, BAP0);
3317 bap_read (apriv, &hdr.len, 2, BAP0);
3319 len = le16_to_cpu(hdr.len);
3321 if (len > AIRO_DEF_MTU) {
3322 airo_print_err(apriv->dev->name, "Bad size %d", len);
3328 if (test_bit(FLAG_802_11, &apriv->flags)) {
3329 bap_read (apriv, &fc, sizeof(fc), BAP0);
3330 hdrlen = header_len(fc);
3332 hdrlen = ETH_ALEN * 2;
3334 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3336 apriv->stats.rx_dropped++;
3339 skb_reserve(skb, 2); /* This way the IP header is aligned */
3340 buffer = (__le16*)skb_put (skb, len + hdrlen);
3341 if (test_bit(FLAG_802_11, &apriv->flags)) {
3343 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3345 bap_read (apriv, tmpbuf, 6, BAP0);
3347 bap_read (apriv, &v, sizeof(v), BAP0);
3348 gap = le16_to_cpu(v);
3351 bap_read (apriv, tmpbuf, gap, BAP0);
3353 airo_print_err(apriv->dev->name, "gaplen too "
3354 "big. Problems will follow...");
3357 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3360 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3361 if (apriv->micstats.enabled) {
3362 bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
3363 if (ntohs(micbuf.typelen) > 0x05DC)
3364 bap_setup (apriv, fid, 0x44, BAP0);
3366 if (len <= sizeof(micbuf))
3369 len -= sizeof(micbuf);
3370 skb_trim (skb, len + hdrlen);
3373 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3374 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3376 dev_kfree_skb_irq (skb);
3378 OUT4500( apriv, EVACK, EV_RX);
3383 if (apriv->spy_data.spy_number > 0) {
3385 struct iw_quality wstats;
3386 /* Prepare spy data : addr + qual */
3387 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3388 sa = (char*)buffer + 6;
3389 bap_setup (apriv, fid, 8, BAP0);
3390 bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
3392 sa = (char*)buffer + 10;
3393 wstats.qual = hdr.rssi[0];
3395 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3397 wstats.level = (hdr.rssi[1] + 321) / 2;
3398 wstats.noise = apriv->wstats.qual.noise;
3399 wstats.updated = IW_QUAL_LEVEL_UPDATED
3400 | IW_QUAL_QUAL_UPDATED
3402 /* Update spy records */
3403 wireless_spy_update(dev, sa, &wstats);
3405 #endif /* WIRELESS_SPY */
3406 OUT4500( apriv, EVACK, EV_RX);
3408 if (test_bit(FLAG_802_11, &apriv->flags)) {
3409 skb_reset_mac_header(skb);
3410 skb->pkt_type = PACKET_OTHERHOST;
3411 skb->dev = apriv->wifidev;
3412 skb->protocol = htons(ETH_P_802_2);
3414 skb->protocol = eth_type_trans(skb,dev);
3415 skb->dev->last_rx = jiffies;
3416 skb->ip_summed = CHECKSUM_NONE;
3422 /* Check to see if a packet has been transmitted */
3423 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3428 if (test_bit(FLAG_MPI,&apriv->flags)) {
3429 unsigned long flags;
3431 if (status & EV_TXEXC)
3432 get_tx_error(apriv, -1);
3433 spin_lock_irqsave(&apriv->aux_lock, flags);
3434 if (!skb_queue_empty(&apriv->txq)) {
3435 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3436 mpi_send_packet (dev);
3438 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3439 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3440 netif_wake_queue (dev);
3442 OUT4500( apriv, EVACK,
3443 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3447 fid = IN4500(apriv, TXCOMPLFID);
3449 for( i = 0; i < MAX_FIDS; i++ ) {
3450 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3451 len = apriv->fids[i] >> 16;
3456 if (status & EV_TXEXC)
3457 get_tx_error(apriv, index);
3458 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3459 /* Set up to be used again */
3460 apriv->fids[index] &= 0xffff;
3461 if (index < MAX_FIDS / 2) {
3462 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3463 netif_wake_queue(dev);
3465 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3466 netif_wake_queue(apriv->wifidev);
3469 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3470 airo_print_err(apriv->dev->name, "Unallocated FID was "
3475 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3476 airo_print_warn(apriv->dev->name, "Got weird status %x",
3477 status & ~STATUS_INTS & ~IGNORE_INTS );
3480 if (savedInterrupts)
3481 OUT4500( apriv, EVINTEN, savedInterrupts );
3484 return IRQ_RETVAL(handled);
3488 * Routines to talk to the card
3492 * This was originally written for the 4500, hence the name
3493 * NOTE: If use with 8bit mode and SMP bad things will happen!
3494 * Why would some one do 8 bit IO in an SMP machine?!?
3496 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3497 if (test_bit(FLAG_MPI,&ai->flags))
3500 outw( val, ai->dev->base_addr + reg );
3502 outb( val & 0xff, ai->dev->base_addr + reg );
3503 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3507 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3510 if (test_bit(FLAG_MPI,&ai->flags))
3513 rc = inw( ai->dev->base_addr + reg );
3515 rc = inb( ai->dev->base_addr + reg );
3516 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3521 static int enable_MAC(struct airo_info *ai, int lock)
3527 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3528 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3529 * Note : we could try to use !netif_running(dev) in enable_MAC()
3530 * instead of this flag, but I don't trust it *within* the
3531 * open/close functions, and testing both flags together is
3532 * "cheaper" - Jean II */
3533 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3535 if (lock && down_interruptible(&ai->sem))
3536 return -ERESTARTSYS;
3538 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3539 memset(&cmd, 0, sizeof(cmd));
3540 cmd.cmd = MAC_ENABLE;
3541 rc = issuecommand(ai, &cmd, &rsp);
3543 set_bit(FLAG_ENABLED, &ai->flags);
3551 airo_print_err(ai->dev->name, "Cannot enable MAC");
3552 else if ((rsp.status & 0xFF00) != 0) {
3553 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3554 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3560 static void disable_MAC( struct airo_info *ai, int lock ) {
3564 if (lock && down_interruptible(&ai->sem))
3567 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3568 memset(&cmd, 0, sizeof(cmd));
3569 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3570 issuecommand(ai, &cmd, &rsp);
3571 clear_bit(FLAG_ENABLED, &ai->flags);
3577 static void enable_interrupts( struct airo_info *ai ) {
3578 /* Enable the interrupts */
3579 OUT4500( ai, EVINTEN, STATUS_INTS );
3582 static void disable_interrupts( struct airo_info *ai ) {
3583 OUT4500( ai, EVINTEN, 0 );
3586 static void mpi_receive_802_3(struct airo_info *ai)
3590 struct sk_buff *skb;
3595 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3596 /* Make sure we got something */
3597 if (rxd.rdy && rxd.valid == 0) {
3599 if (len < 12 || len > 2048)
3602 skb = dev_alloc_skb(len);
3604 ai->stats.rx_dropped++;
3607 buffer = skb_put(skb,len);
3608 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3609 if (ai->micstats.enabled) {
3611 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3613 if (ntohs(micbuf.typelen) <= 0x05DC) {
3614 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3617 off = sizeof(micbuf);
3618 skb_trim (skb, len - off);
3621 memcpy(buffer + ETH_ALEN * 2,
3622 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3623 len - ETH_ALEN * 2 - off);
3624 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3626 dev_kfree_skb_irq (skb);
3630 if (ai->spy_data.spy_number > 0) {
3632 struct iw_quality wstats;
3633 /* Prepare spy data : addr + qual */
3634 sa = buffer + ETH_ALEN;
3635 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3638 /* Update spy records */
3639 wireless_spy_update(ai->dev, sa, &wstats);
3641 #endif /* WIRELESS_SPY */
3643 skb->ip_summed = CHECKSUM_NONE;
3644 skb->protocol = eth_type_trans(skb, ai->dev);
3645 skb->dev->last_rx = jiffies;
3649 if (rxd.valid == 0) {
3653 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3657 void mpi_receive_802_11 (struct airo_info *ai)
3660 struct sk_buff *skb = NULL;
3661 u16 len, hdrlen = 0;
3674 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3676 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3677 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3679 /* Bad CRC. Ignore packet */
3680 if (le16_to_cpu(hdr.status) & 2)
3682 if (ai->wifidev == NULL)
3684 len = le16_to_cpu(hdr.len);
3685 if (len > AIRO_DEF_MTU) {
3686 airo_print_err(ai->dev->name, "Bad size %d", len);
3692 fc = get_unaligned((__le16 *)ptr);
3693 hdrlen = header_len(fc);
3695 skb = dev_alloc_skb( len + hdrlen + 2 );
3697 ai->stats.rx_dropped++;
3700 buffer = (u16*)skb_put (skb, len + hdrlen);
3701 memcpy ((char *)buffer, ptr, hdrlen);
3705 gap = le16_to_cpu(get_unaligned((__le16 *)ptr));
3706 ptr += sizeof(__le16);
3711 airo_print_err(ai->dev->name,
3712 "gaplen too big. Problems will follow...");
3714 memcpy ((char *)buffer + hdrlen, ptr, len);
3716 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3717 if (ai->spy_data.spy_number > 0) {
3719 struct iw_quality wstats;
3720 /* Prepare spy data : addr + qual */
3721 sa = (char*)buffer + 10;
3722 wstats.qual = hdr.rssi[0];
3724 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3726 wstats.level = (hdr.rssi[1] + 321) / 2;
3727 wstats.noise = ai->wstats.qual.noise;
3728 wstats.updated = IW_QUAL_QUAL_UPDATED
3729 | IW_QUAL_LEVEL_UPDATED
3731 /* Update spy records */
3732 wireless_spy_update(ai->dev, sa, &wstats);
3734 #endif /* IW_WIRELESS_SPY */
3735 skb_reset_mac_header(skb);
3736 skb->pkt_type = PACKET_OTHERHOST;
3737 skb->dev = ai->wifidev;
3738 skb->protocol = htons(ETH_P_802_2);
3739 skb->dev->last_rx = jiffies;
3740 skb->ip_summed = CHECKSUM_NONE;
3743 if (rxd.valid == 0) {
3747 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3751 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3762 memset( &mySsid, 0, sizeof( mySsid ) );
3766 /* The NOP is the first step in getting the card going */
3768 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3769 if (lock && down_interruptible(&ai->sem))
3771 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3776 disable_MAC( ai, 0);
3778 // Let's figure out if we need to use the AUX port
3779 if (!test_bit(FLAG_MPI,&ai->flags)) {
3780 cmd.cmd = CMD_ENABLEAUX;
3781 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3784 airo_print_err(ai->dev->name, "Error checking for AUX port");
3787 if (!aux_bap || rsp.status & 0xff00) {
3788 ai->bap_read = fast_bap_read;
3789 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3791 ai->bap_read = aux_bap_read;
3792 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3797 if (ai->config.len == 0) {
3798 tdsRssiRid rssi_rid;
3799 CapabilityRid cap_rid;
3805 // general configuration (read/modify/write)
3806 status = readConfigRid(ai, lock);
3807 if ( status != SUCCESS ) return ERROR;
3809 status = readCapabilityRid(ai, &cap_rid, lock);
3810 if ( status != SUCCESS ) return ERROR;
3812 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3813 if ( status == SUCCESS ) {
3814 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3815 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3820 if (cap_rid.softCap & 8)
3821 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3823 airo_print_warn(ai->dev->name, "unknown received signal "
3826 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3827 ai->config.authType = AUTH_OPEN;
3828 ai->config.modulation = MOD_CCK;
3830 if ((cap_rid.len>=sizeof(cap_rid)) &&
3831 (cap_rid.extSoftCap & cpu_to_le16(1)) &&
3832 (micsetup(ai) == SUCCESS)) {
3833 ai->config.opmode |= MODE_MIC;
3834 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3837 /* Save off the MAC */
3838 for( i = 0; i < ETH_ALEN; i++ ) {
3839 mac[i] = ai->config.macAddr[i];
3842 /* Check to see if there are any insmod configured
3846 memset(ai->config.rates,0,sizeof(ai->config.rates));
3847 for( i = 0; i < 8 && rates[i]; i++ ) {
3848 ai->config.rates[i] = rates[i];
3851 if ( basic_rate > 0 ) {
3853 for( i = 0; i < 8; i++ ) {
3854 if ( ai->config.rates[i] == basic_rate ||
3855 !ai->config.rates ) {
3856 ai->config.rates[i] = basic_rate | 0x80;
3861 set_bit (FLAG_COMMIT, &ai->flags);
3864 /* Setup the SSIDs if present */
3867 for( i = 0; i < 3 && ssids[i]; i++ ) {
3868 size_t len = strlen(ssids[i]);
3871 mySsid.ssids[i].len = cpu_to_le16(len);
3872 memcpy(mySsid.ssids[i].ssid, ssids[i], len);
3874 mySsid.len = cpu_to_le16(sizeof(mySsid));
3877 status = writeConfigRid(ai, lock);
3878 if ( status != SUCCESS ) return ERROR;
3880 /* Set up the SSID list */
3882 status = writeSsidRid(ai, &mySsid, lock);
3883 if ( status != SUCCESS ) return ERROR;
3886 status = enable_MAC(ai, lock);
3887 if (status != SUCCESS)
3890 /* Grab the initial wep key, we gotta save it for auto_wep */
3891 rc = readWepKeyRid(ai, &wkr, 1, lock);
3892 if (rc == SUCCESS) do {
3893 lastindex = wkr.kindex;
3894 if (wkr.kindex == 0xffff) {
3895 ai->defindex = wkr.mac[0];
3897 rc = readWepKeyRid(ai, &wkr, 0, lock);
3898 } while(lastindex != wkr.kindex);
3905 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3906 // Im really paranoid about letting it run forever!
3907 int max_tries = 600000;
3909 if (IN4500(ai, EVSTAT) & EV_CMD)
3910 OUT4500(ai, EVACK, EV_CMD);
3912 OUT4500(ai, PARAM0, pCmd->parm0);
3913 OUT4500(ai, PARAM1, pCmd->parm1);
3914 OUT4500(ai, PARAM2, pCmd->parm2);
3915 OUT4500(ai, COMMAND, pCmd->cmd);
3917 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3918 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3919 // PC4500 didn't notice command, try again
3920 OUT4500(ai, COMMAND, pCmd->cmd);
3921 if (!in_atomic() && (max_tries & 255) == 0)
3925 if ( max_tries == -1 ) {
3926 airo_print_err(ai->dev->name,
3927 "Max tries exceeded when issueing command");
3928 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3929 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3933 // command completed
3934 pRsp->status = IN4500(ai, STATUS);
3935 pRsp->rsp0 = IN4500(ai, RESP0);
3936 pRsp->rsp1 = IN4500(ai, RESP1);
3937 pRsp->rsp2 = IN4500(ai, RESP2);
3938 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3939 airo_print_err(ai->dev->name,
3940 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3941 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3944 // clear stuck command busy if necessary
3945 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3946 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3948 // acknowledge processing the status/response
3949 OUT4500(ai, EVACK, EV_CMD);
3954 /* Sets up the bap to start exchange data. whichbap should
3955 * be one of the BAP0 or BAP1 defines. Locks should be held before
3957 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3962 OUT4500(ai, SELECT0+whichbap, rid);
3963 OUT4500(ai, OFFSET0+whichbap, offset);
3965 int status = IN4500(ai, OFFSET0+whichbap);
3966 if (status & BAP_BUSY) {
3967 /* This isn't really a timeout, but its kinda
3972 } else if ( status & BAP_ERR ) {
3973 /* invalid rid or offset */
3974 airo_print_err(ai->dev->name, "BAP error %x %d",
3977 } else if (status & BAP_DONE) { // success
3980 if ( !(max_tries--) ) {
3981 airo_print_err(ai->dev->name,
3982 "BAP setup error too many retries\n");
3985 // -- PC4500 missed it, try again
3986 OUT4500(ai, SELECT0+whichbap, rid);
3987 OUT4500(ai, OFFSET0+whichbap, offset);
3992 /* should only be called by aux_bap_read. This aux function and the
3993 following use concepts not documented in the developers guide. I
3994 got them from a patch given to my by Aironet */
3995 static u16 aux_setup(struct airo_info *ai, u16 page,
3996 u16 offset, u16 *len)
4000 OUT4500(ai, AUXPAGE, page);
4001 OUT4500(ai, AUXOFF, 0);
4002 next = IN4500(ai, AUXDATA);
4003 *len = IN4500(ai, AUXDATA)&0xff;
4004 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4008 /* requires call to bap_setup() first */
4009 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4010 int bytelen, int whichbap)
4018 unsigned long flags;
4020 spin_lock_irqsave(&ai->aux_lock, flags);
4021 page = IN4500(ai, SWS0+whichbap);
4022 offset = IN4500(ai, SWS2+whichbap);
4023 next = aux_setup(ai, page, offset, &len);
4024 words = (bytelen+1)>>1;
4026 for (i=0; i<words;) {
4028 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4030 insw( ai->dev->base_addr+DATA0+whichbap,
4033 insb( ai->dev->base_addr+DATA0+whichbap,
4034 pu16Dst+i, count << 1 );
4037 next = aux_setup(ai, next, 4, &len);
4040 spin_unlock_irqrestore(&ai->aux_lock, flags);
4045 /* requires call to bap_setup() first */
4046 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst,
4047 int bytelen, int whichbap)
4049 bytelen = (bytelen + 1) & (~1); // round up to even value
4051 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4053 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4057 /* requires call to bap_setup() first */
4058 static int bap_write(struct airo_info *ai, const __le16 *pu16Src,
4059 int bytelen, int whichbap)
4061 bytelen = (bytelen + 1) & (~1); // round up to even value
4063 outsw( ai->dev->base_addr+DATA0+whichbap,
4064 pu16Src, bytelen>>1 );
4066 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4070 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4072 Cmd cmd; /* for issuing commands */
4073 Resp rsp; /* response from commands */
4076 memset(&cmd, 0, sizeof(cmd));
4079 status = issuecommand(ai, &cmd, &rsp);
4080 if (status != 0) return status;
4081 if ( (rsp.status & 0x7F00) != 0) {
4082 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4087 /* Note, that we are using BAP1 which is also used by transmit, so
4088 * we must get a lock. */
4089 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4095 if (down_interruptible(&ai->sem))
4098 if (test_bit(FLAG_MPI,&ai->flags)) {
4102 memset(&cmd, 0, sizeof(cmd));
4103 memset(&rsp, 0, sizeof(rsp));
4104 ai->config_desc.rid_desc.valid = 1;
4105 ai->config_desc.rid_desc.len = RIDSIZE;
4106 ai->config_desc.rid_desc.rid = 0;
4107 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4109 cmd.cmd = CMD_ACCESS;
4112 memcpy_toio(ai->config_desc.card_ram_off,
4113 &ai->config_desc.rid_desc, sizeof(Rid));
4115 rc = issuecommand(ai, &cmd, &rsp);
4117 if (rsp.status & 0x7f00)
4120 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4123 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4127 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4131 // read the rid length field
4132 bap_read(ai, pBuf, 2, BAP1);
4133 // length for remaining part of rid
4134 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2;
4137 airo_print_err(ai->dev->name,
4138 "Rid %x has a length of %d which is too short",
4139 (int)rid, (int)len );
4143 // read remainder of the rid
4144 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1);
4152 /* Note, that we are using BAP1 which is also used by transmit, so
4153 * make sure this isnt called when a transmit is happening */
4154 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4155 const void *pBuf, int len, int lock)
4160 *(__le16*)pBuf = cpu_to_le16((u16)len);
4163 if (down_interruptible(&ai->sem))
4166 if (test_bit(FLAG_MPI,&ai->flags)) {
4170 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4171 airo_print_err(ai->dev->name,
4172 "%s: MAC should be disabled (rid=%04x)",
4174 memset(&cmd, 0, sizeof(cmd));
4175 memset(&rsp, 0, sizeof(rsp));
4177 ai->config_desc.rid_desc.valid = 1;
4178 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4179 ai->config_desc.rid_desc.rid = 0;
4181 cmd.cmd = CMD_WRITERID;
4184 memcpy_toio(ai->config_desc.card_ram_off,
4185 &ai->config_desc.rid_desc, sizeof(Rid));
4187 if (len < 4 || len > 2047) {
4188 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4191 memcpy((char *)ai->config_desc.virtual_host_addr,
4194 rc = issuecommand(ai, &cmd, &rsp);
4195 if ((rc & 0xff00) != 0) {
4196 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4198 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4199 __FUNCTION__, cmd.cmd);
4202 if ((rsp.status & 0x7f00))
4206 // --- first access so that we can write the rid data
4207 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4211 // --- now write the rid data
4212 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4216 bap_write(ai, pBuf, len, BAP1);
4217 // ---now commit the rid data
4218 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4226 /* Allocates a FID to be used for transmitting packets. We only use
4228 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4230 unsigned int loop = 3000;
4236 cmd.cmd = CMD_ALLOCATETX;
4237 cmd.parm0 = lenPayload;
4238 if (down_interruptible(&ai->sem))
4240 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4244 if ( (rsp.status & 0xFF00) != 0) {
4248 /* wait for the allocate event/indication
4249 * It makes me kind of nervous that this can just sit here and spin,
4250 * but in practice it only loops like four times. */
4251 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4257 // get the allocated fid and acknowledge
4258 txFid = IN4500(ai, TXALLOCFID);
4259 OUT4500(ai, EVACK, EV_ALLOC);
4261 /* The CARD is pretty cool since it converts the ethernet packet
4262 * into 802.11. Also note that we don't release the FID since we
4263 * will be using the same one over and over again. */
4264 /* We only have to setup the control once since we are not
4265 * releasing the fid. */
4267 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4268 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4270 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4271 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4272 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4275 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4283 /* In general BAP1 is dedicated to transmiting packets. However,
4284 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4285 Make sure the BAP1 spinlock is held when this is called. */
4286 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4297 if (len <= ETH_ALEN * 2) {
4298 airo_print_warn(ai->dev->name, "Short packet %d", len);
4301 len -= ETH_ALEN * 2;
4303 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4304 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) {
4305 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4307 miclen = sizeof(pMic);
4309 // packet is destination[6], source[6], payload[len-12]
4310 // write the payload length and dst/src/payload
4311 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4312 /* The hardware addresses aren't counted as part of the payload, so
4313 * we have to subtract the 12 bytes for the addresses off */
4314 payloadLen = cpu_to_le16(len + miclen);
4315 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4316 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1);
4318 bap_write(ai, (__le16*)&pMic, miclen, BAP1);
4319 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1);
4320 // issue the transmit command
4321 memset( &cmd, 0, sizeof( cmd ) );
4322 cmd.cmd = CMD_TRANSMIT;
4324 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4325 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4329 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4331 __le16 fc, payloadLen;
4335 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6};
4336 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */
4340 fc = *(__le16*)pPacket;
4341 hdrlen = header_len(fc);
4344 airo_print_warn(ai->dev->name, "Short packet %d", len);
4348 /* packet is 802.11 header + payload
4349 * write the payload length and dst/src/payload */
4350 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4351 /* The 802.11 header aren't counted as part of the payload, so
4352 * we have to subtract the header bytes off */
4353 payloadLen = cpu_to_le16(len-hdrlen);
4354 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4355 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4356 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1);
4357 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1);
4359 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1);
4360 // issue the transmit command
4361 memset( &cmd, 0, sizeof( cmd ) );
4362 cmd.cmd = CMD_TRANSMIT;
4364 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4365 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4370 * This is the proc_fs routines. It is a bit messier than I would
4371 * like! Feel free to clean it up!
4374 static ssize_t proc_read( struct file *file,
4375 char __user *buffer,
4379 static ssize_t proc_write( struct file *file,
4380 const char __user *buffer,
4383 static int proc_close( struct inode *inode, struct file *file );
4385 static int proc_stats_open( struct inode *inode, struct file *file );
4386 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4387 static int proc_status_open( struct inode *inode, struct file *file );
4388 static int proc_SSID_open( struct inode *inode, struct file *file );
4389 static int proc_APList_open( struct inode *inode, struct file *file );
4390 static int proc_BSSList_open( struct inode *inode, struct file *file );
4391 static int proc_config_open( struct inode *inode, struct file *file );
4392 static int proc_wepkey_open( struct inode *inode, struct file *file );
4394 static const struct file_operations proc_statsdelta_ops = {
4396 .open = proc_statsdelta_open,
4397 .release = proc_close
4400 static const struct file_operations proc_stats_ops = {
4402 .open = proc_stats_open,
4403 .release = proc_close
4406 static const struct file_operations proc_status_ops = {
4408 .open = proc_status_open,
4409 .release = proc_close
4412 static const struct file_operations proc_SSID_ops = {
4414 .write = proc_write,
4415 .open = proc_SSID_open,
4416 .release = proc_close
4419 static const struct file_operations proc_BSSList_ops = {
4421 .write = proc_write,
4422 .open = proc_BSSList_open,
4423 .release = proc_close
4426 static const struct file_operations proc_APList_ops = {
4428 .write = proc_write,
4429 .open = proc_APList_open,
4430 .release = proc_close
4433 static const struct file_operations proc_config_ops = {
4435 .write = proc_write,
4436 .open = proc_config_open,
4437 .release = proc_close
4440 static const struct file_operations proc_wepkey_ops = {
4442 .write = proc_write,
4443 .open = proc_wepkey_open,
4444 .release = proc_close
4447 static struct proc_dir_entry *airo_entry;
4456 void (*on_close) (struct inode *, struct file *);
4460 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4463 static int setup_proc_entry( struct net_device *dev,
4464 struct airo_info *apriv ) {
4465 struct proc_dir_entry *entry;
4466 /* First setup the device directory */
4467 strcpy(apriv->proc_name,dev->name);
4468 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4471 if (!apriv->proc_entry)
4473 apriv->proc_entry->uid = proc_uid;
4474 apriv->proc_entry->gid = proc_gid;
4475 apriv->proc_entry->owner = THIS_MODULE;
4477 /* Setup the StatsDelta */
4478 entry = create_proc_entry("StatsDelta",
4479 S_IFREG | (S_IRUGO&proc_perm),
4482 goto fail_stats_delta;
4483 entry->uid = proc_uid;
4484 entry->gid = proc_gid;
4486 entry->owner = THIS_MODULE;
4487 SETPROC_OPS(entry, proc_statsdelta_ops);
4489 /* Setup the Stats */
4490 entry = create_proc_entry("Stats",
4491 S_IFREG | (S_IRUGO&proc_perm),
4495 entry->uid = proc_uid;
4496 entry->gid = proc_gid;
4498 entry->owner = THIS_MODULE;
4499 SETPROC_OPS(entry, proc_stats_ops);
4501 /* Setup the Status */
4502 entry = create_proc_entry("Status",
4503 S_IFREG | (S_IRUGO&proc_perm),
4507 entry->uid = proc_uid;
4508 entry->gid = proc_gid;
4510 entry->owner = THIS_MODULE;
4511 SETPROC_OPS(entry, proc_status_ops);
4513 /* Setup the Config */
4514 entry = create_proc_entry("Config",
4515 S_IFREG | proc_perm,
4519 entry->uid = proc_uid;
4520 entry->gid = proc_gid;
4522 entry->owner = THIS_MODULE;
4523 SETPROC_OPS(entry, proc_config_ops);
4525 /* Setup the SSID */
4526 entry = create_proc_entry("SSID",
4527 S_IFREG | proc_perm,
4531 entry->uid = proc_uid;
4532 entry->gid = proc_gid;
4534 entry->owner = THIS_MODULE;
4535 SETPROC_OPS(entry, proc_SSID_ops);
4537 /* Setup the APList */
4538 entry = create_proc_entry("APList",
4539 S_IFREG | proc_perm,
4543 entry->uid = proc_uid;
4544 entry->gid = proc_gid;
4546 entry->owner = THIS_MODULE;
4547 SETPROC_OPS(entry, proc_APList_ops);
4549 /* Setup the BSSList */
4550 entry = create_proc_entry("BSSList",
4551 S_IFREG | proc_perm,
4555 entry->uid = proc_uid;
4556 entry->gid = proc_gid;
4558 entry->owner = THIS_MODULE;
4559 SETPROC_OPS(entry, proc_BSSList_ops);
4561 /* Setup the WepKey */
4562 entry = create_proc_entry("WepKey",
4563 S_IFREG | proc_perm,
4567 entry->uid = proc_uid;
4568 entry->gid = proc_gid;
4570 entry->owner = THIS_MODULE;
4571 SETPROC_OPS(entry, proc_wepkey_ops);
4576 remove_proc_entry("BSSList", apriv->proc_entry);
4578 remove_proc_entry("APList", apriv->proc_entry);
4580 remove_proc_entry("SSID", apriv->proc_entry);
4582 remove_proc_entry("Config", apriv->proc_entry);
4584 remove_proc_entry("Status", apriv->proc_entry);
4586 remove_proc_entry("Stats", apriv->proc_entry);
4588 remove_proc_entry("StatsDelta", apriv->proc_entry);
4590 remove_proc_entry(apriv->proc_name, airo_entry);
4595 static int takedown_proc_entry( struct net_device *dev,
4596 struct airo_info *apriv ) {
4597 if ( !apriv->proc_entry->namelen ) return 0;
4598 remove_proc_entry("Stats",apriv->proc_entry);
4599 remove_proc_entry("StatsDelta",apriv->proc_entry);
4600 remove_proc_entry("Status",apriv->proc_entry);
4601 remove_proc_entry("Config",apriv->proc_entry);
4602 remove_proc_entry("SSID",apriv->proc_entry);
4603 remove_proc_entry("APList",apriv->proc_entry);
4604 remove_proc_entry("BSSList",apriv->proc_entry);
4605 remove_proc_entry("WepKey",apriv->proc_entry);
4606 remove_proc_entry(apriv->proc_name,airo_entry);
4611 * What we want from the proc_fs is to be able to efficiently read
4612 * and write the configuration. To do this, we want to read the
4613 * configuration when the file is opened and write it when the file is
4614 * closed. So basically we allocate a read buffer at open and fill it
4615 * with data, and allocate a write buffer and read it at close.
4619 * The read routine is generic, it relies on the preallocated rbuffer
4620 * to supply the data.
4622 static ssize_t proc_read( struct file *file,
4623 char __user *buffer,
4627 loff_t pos = *offset;
4628 struct proc_data *priv = (struct proc_data*)file->private_data;
4635 if (pos >= priv->readlen)
4637 if (len > priv->readlen - pos)
4638 len = priv->readlen - pos;
4639 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4641 *offset = pos + len;
4646 * The write routine is generic, it fills in a preallocated rbuffer
4647 * to supply the data.
4649 static ssize_t proc_write( struct file *file,
4650 const char __user *buffer,
4654 loff_t pos = *offset;
4655 struct proc_data *priv = (struct proc_data*)file->private_data;
4662 if (pos >= priv->maxwritelen)
4664 if (len > priv->maxwritelen - pos)
4665 len = priv->maxwritelen - pos;
4666 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4668 if ( pos + len > priv->writelen )
4669 priv->writelen = len + file->f_pos;
4670 *offset = pos + len;
4674 static int proc_status_open( struct inode *inode, struct file *file ) {
4675 struct proc_data *data;
4676 struct proc_dir_entry *dp = PDE(inode);
4677 struct net_device *dev = dp->data;
4678 struct airo_info *apriv = dev->priv;
4679 CapabilityRid cap_rid;
4680 StatusRid status_rid;
4683 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4685 data = (struct proc_data *)file->private_data;
4686 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4687 kfree (file->private_data);
4691 readStatusRid(apriv, &status_rid, 1);
4692 readCapabilityRid(apriv, &cap_rid, 1);
4694 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4695 status_rid.mode & 1 ? "CFG ": "",
4696 status_rid.mode & 2 ? "ACT ": "",
4697 status_rid.mode & 0x10 ? "SYN ": "",
4698 status_rid.mode & 0x20 ? "LNK ": "",
4699 status_rid.mode & 0x40 ? "LEAP ": "",
4700 status_rid.mode & 0x80 ? "PRIV ": "",
4701 status_rid.mode & 0x100 ? "KEY ": "",
4702 status_rid.mode & 0x200 ? "WEP ": "",
4703 status_rid.mode & 0x8000 ? "ERR ": "");
4704 sprintf( data->rbuffer+i, "Mode: %x\n"
4705 "Signal Strength: %d\n"
4706 "Signal Quality: %d\n"
4711 "Driver Version: %s\n"
4712 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4713 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4714 "Software Version: %x\nSoftware Subversion: %x\n"
4715 "Boot block version: %x\n",
4716 (int)status_rid.mode,
4717 (int)status_rid.normalizedSignalStrength,
4718 (int)status_rid.signalQuality,
4719 (int)status_rid.SSIDlen,
4722 (int)status_rid.channel,
4723 (int)status_rid.currentXmitRate/2,
4731 (int)cap_rid.softVer,
4732 (int)cap_rid.softSubVer,
4733 (int)cap_rid.bootBlockVer );
4734 data->readlen = strlen( data->rbuffer );
4738 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4739 static int proc_statsdelta_open( struct inode *inode,
4740 struct file *file ) {
4741 if (file->f_mode&FMODE_WRITE) {
4742 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4744 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4747 static int proc_stats_open( struct inode *inode, struct file *file ) {
4748 return proc_stats_rid_open(inode, file, RID_STATS);
4751 static int proc_stats_rid_open( struct inode *inode,
4754 struct proc_data *data;
4755 struct proc_dir_entry *dp = PDE(inode);
4756 struct net_device *dev = dp->data;
4757 struct airo_info *apriv = dev->priv;
4760 u32 *vals = stats.vals;
4762 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4764 data = (struct proc_data *)file->private_data;
4765 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4766 kfree (file->private_data);
4770 readStatsRid(apriv, &stats, rid, 1);
4773 for(i=0; statsLabels[i]!=(char *)-1 &&
4774 i*4<stats.len; i++){
4775 if (!statsLabels[i]) continue;
4776 if (j+strlen(statsLabels[i])+16>4096) {
4777 airo_print_warn(apriv->dev->name,
4778 "Potentially disasterous buffer overflow averted!");
4781 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4783 if (i*4>=stats.len){
4784 airo_print_warn(apriv->dev->name, "Got a short rid");
4790 static int get_dec_u16( char *buffer, int *start, int limit ) {
4793 for( value = 0; buffer[*start] >= '0' &&
4794 buffer[*start] <= '9' &&
4795 *start < limit; (*start)++ ) {
4798 value += buffer[*start] - '0';
4800 if ( !valid ) return -1;
4804 static int airo_config_commit(struct net_device *dev,
4805 struct iw_request_info *info, void *zwrq,
4808 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4809 struct proc_data *data = file->private_data;
4810 struct proc_dir_entry *dp = PDE(inode);
4811 struct net_device *dev = dp->data;
4812 struct airo_info *ai = dev->priv;
4815 if ( !data->writelen ) return;
4817 readConfigRid(ai, 1);
4818 set_bit (FLAG_COMMIT, &ai->flags);
4820 line = data->wbuffer;
4822 /*** Mode processing */
4823 if ( !strncmp( line, "Mode: ", 6 ) ) {
4825 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4826 set_bit (FLAG_RESET, &ai->flags);
4827 ai->config.rmode &= 0xfe00;
4828 clear_bit (FLAG_802_11, &ai->flags);
4829 ai->config.opmode &= 0xFF00;
4830 ai->config.scanMode = SCANMODE_ACTIVE;
4831 if ( line[0] == 'a' ) {
4832 ai->config.opmode |= 0;
4834 ai->config.opmode |= 1;
4835 if ( line[0] == 'r' ) {
4836 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4837 ai->config.scanMode = SCANMODE_PASSIVE;
4838 set_bit (FLAG_802_11, &ai->flags);
4839 } else if ( line[0] == 'y' ) {
4840 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4841 ai->config.scanMode = SCANMODE_PASSIVE;
4842 set_bit (FLAG_802_11, &ai->flags);
4843 } else if ( line[0] == 'l' )
4844 ai->config.rmode |= RXMODE_LANMON;
4846 set_bit (FLAG_COMMIT, &ai->flags);
4849 /*** Radio status */
4850 else if (!strncmp(line,"Radio: ", 7)) {
4852 if (!strncmp(line,"off",3)) {
4853 set_bit (FLAG_RADIO_OFF, &ai->flags);
4855 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4858 /*** NodeName processing */
4859 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4863 memset( ai->config.nodeName, 0, 16 );
4864 /* Do the name, assume a space between the mode and node name */
4865 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4866 ai->config.nodeName[j] = line[j];
4868 set_bit (FLAG_COMMIT, &ai->flags);
4871 /*** PowerMode processing */
4872 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4874 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4875 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 } else if ( !strncmp( line, "PSP", 3 ) ) {
4878 ai->config.powerSaveMode = POWERSAVE_PSP;
4879 set_bit (FLAG_COMMIT, &ai->flags);
4881 ai->config.powerSaveMode = POWERSAVE_CAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4884 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4885 int v, i = 0, k = 0; /* i is index into line,
4886 k is index to rates */
4889 while((v = get_dec_u16(line, &i, 3))!=-1) {
4890 ai->config.rates[k++] = (u8)v;
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4898 v = get_dec_u16(line, &i, i+3);
4900 ai->config.channelSet = (u16)v;
4901 set_bit (FLAG_COMMIT, &ai->flags);
4903 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4906 v = get_dec_u16(line, &i, i+3);
4908 ai->config.txPower = (u16)v;
4909 set_bit (FLAG_COMMIT, &ai->flags);
4911 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4915 ai->config.authType = (u16)AUTH_SHAREDKEY;
4918 ai->config.authType = (u16)AUTH_ENCRYPT;
4921 ai->config.authType = (u16)AUTH_OPEN;
4924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4929 v = get_dec_u16(line, &i, 3);
4930 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4931 ai->config.longRetryLimit = (u16)v;
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4937 v = get_dec_u16(line, &i, 3);
4938 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4939 ai->config.shortRetryLimit = (u16)v;
4940 set_bit (FLAG_COMMIT, &ai->flags);
4941 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4945 v = get_dec_u16(line, &i, 4);
4946 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4947 ai->config.rtsThres = (u16)v;
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4953 v = get_dec_u16(line, &i, 5);
4955 ai->config.txLifetime = (u16)v;
4956 set_bit (FLAG_COMMIT, &ai->flags);
4957 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4961 v = get_dec_u16(line, &i, 5);
4963 ai->config.rxLifetime = (u16)v;
4964 set_bit (FLAG_COMMIT, &ai->flags);
4965 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4966 ai->config.txDiversity =
4967 (line[13]=='l') ? 1 :
4968 ((line[13]=='r')? 2: 3);
4969 set_bit (FLAG_COMMIT, &ai->flags);
4970 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4971 ai->config.rxDiversity =
4972 (line[13]=='l') ? 1 :
4973 ((line[13]=='r')? 2: 3);
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4979 v = get_dec_u16(line, &i, 4);
4980 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4981 v = v & 0xfffe; /* Make sure its even */
4982 ai->config.fragThresh = (u16)v;
4983 set_bit (FLAG_COMMIT, &ai->flags);
4984 } else if (!strncmp(line, "Modulation: ", 12)) {
4987 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4990 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4992 } else if (!strncmp(line, "Preamble: ", 10)) {
4995 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4998 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5001 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5003 while( line[0] && line[0] != '\n' ) line++;
5004 if ( line[0] ) line++;
5006 airo_config_commit(dev, NULL, NULL, NULL);
5009 static char *get_rmode(u16 mode) {
5011 case RXMODE_RFMON: return "rfmon";
5012 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5013 case RXMODE_LANMON: return "lanmon";
5018 static int proc_config_open( struct inode *inode, struct file *file ) {
5019 struct proc_data *data;
5020 struct proc_dir_entry *dp = PDE(inode);
5021 struct net_device *dev = dp->data;
5022 struct airo_info *ai = dev->priv;
5025 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5027 data = (struct proc_data *)file->private_data;
5028 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5029 kfree (file->private_data);
5032 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5033 kfree (data->rbuffer);
5034 kfree (file->private_data);
5037 data->maxwritelen = 2048;
5038 data->on_close = proc_config_on_close;
5040 readConfigRid(ai, 1);
5042 i = sprintf( data->rbuffer,
5047 "DataRates: %d %d %d %d %d %d %d %d\n"
5050 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5051 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5052 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5053 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5054 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5055 ai->config.nodeName,
5056 ai->config.powerSaveMode == 0 ? "CAM" :
5057 ai->config.powerSaveMode == 1 ? "PSP" :
5058 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5059 (int)ai->config.rates[0],
5060 (int)ai->config.rates[1],
5061 (int)ai->config.rates[2],
5062 (int)ai->config.rates[3],
5063 (int)ai->config.rates[4],
5064 (int)ai->config.rates[5],
5065 (int)ai->config.rates[6],
5066 (int)ai->config.rates[7],
5067 (int)ai->config.channelSet,
5068 (int)ai->config.txPower
5070 sprintf( data->rbuffer + i,
5071 "LongRetryLimit: %d\n"
5072 "ShortRetryLimit: %d\n"
5073 "RTSThreshold: %d\n"
5074 "TXMSDULifetime: %d\n"
5075 "RXMSDULifetime: %d\n"
5078 "FragThreshold: %d\n"
5082 (int)ai->config.longRetryLimit,
5083 (int)ai->config.shortRetryLimit,
5084 (int)ai->config.rtsThres,
5085 (int)ai->config.txLifetime,
5086 (int)ai->config.rxLifetime,
5087 ai->config.txDiversity == 1 ? "left" :
5088 ai->config.txDiversity == 2 ? "right" : "both",
5089 ai->config.rxDiversity == 1 ? "left" :
5090 ai->config.rxDiversity == 2 ? "right" : "both",
5091 (int)ai->config.fragThresh,
5092 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5093 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5094 ai->config.modulation == 0 ? "default" :
5095 ai->config.modulation == MOD_CCK ? "cck" :
5096 ai->config.modulation == MOD_MOK ? "mok" : "error",
5097 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5098 ai->config.preamble == PREAMBLE_LONG ? "long" :
5099 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5101 data->readlen = strlen( data->rbuffer );
5105 static void proc_SSID_on_close(struct inode *inode, struct file *file)
5107 struct proc_data *data = (struct proc_data *)file->private_data;
5108 struct proc_dir_entry *dp = PDE(inode);
5109 struct net_device *dev = dp->data;
5110 struct airo_info *ai = dev->priv;
5113 char *p = data->wbuffer;
5114 char *end = p + data->writelen;
5116 if (!data->writelen)
5119 *end = '\n'; /* sentinel; we have space for it */
5121 memset(&SSID_rid, 0, sizeof(SSID_rid));
5123 for (i = 0; i < 3 && p < end; i++) {
5125 /* copy up to 32 characters from this line */
5126 while (*p != '\n' && j < 32)
5127 SSID_rid.ssids[i].ssid[j++] = *p++;
5130 SSID_rid.ssids[i].len = cpu_to_le16(j);
5131 /* skip to the beginning of the next line */
5132 while (*p++ != '\n')
5136 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5138 writeSsidRid(ai, &SSID_rid, 1);
5142 static inline u8 hexVal(char c) {
5143 if (c>='0' && c<='9') return c -= '0';
5144 if (c>='a' && c<='f') return c -= 'a'-10;
5145 if (c>='A' && c<='F') return c -= 'A'-10;
5149 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5150 struct proc_data *data = (struct proc_data *)file->private_data;
5151 struct proc_dir_entry *dp = PDE(inode);
5152 struct net_device *dev = dp->data;
5153 struct airo_info *ai = dev->priv;
5154 APListRid APList_rid;
5157 if ( !data->writelen ) return;
5159 memset( &APList_rid, 0, sizeof(APList_rid) );
5160 APList_rid.len = sizeof(APList_rid);
5162 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5164 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5167 APList_rid.ap[i][j/3]=
5168 hexVal(data->wbuffer[j+i*6*3])<<4;
5171 APList_rid.ap[i][j/3]|=
5172 hexVal(data->wbuffer[j+i*6*3]);
5178 writeAPListRid(ai, &APList_rid, 1);
5182 /* This function wraps PC4500_writerid with a MAC disable */
5183 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5184 int len, int dummy ) {
5188 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5193 /* Returns the length of the key at the index. If index == 0xffff
5194 * the index of the transmit key is returned. If the key doesn't exist,
5195 * -1 will be returned.
5197 static int get_wep_key(struct airo_info *ai, u16 index) {
5202 rc = readWepKeyRid(ai, &wkr, 1, 1);
5203 if (rc == SUCCESS) do {
5204 lastindex = wkr.kindex;
5205 if (wkr.kindex == index) {
5206 if (index == 0xffff) {
5211 readWepKeyRid(ai, &wkr, 0, 1);
5212 } while(lastindex != wkr.kindex);
5216 static int set_wep_key(struct airo_info *ai, u16 index,
5217 const char *key, u16 keylen, int perm, int lock ) {
5218 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5221 memset(&wkr, 0, sizeof(wkr));
5223 // We are selecting which key to use
5224 wkr.len = sizeof(wkr);
5225 wkr.kindex = 0xffff;
5226 wkr.mac[0] = (char)index;
5227 if (perm) ai->defindex = (char)index;
5229 // We are actually setting the key
5230 wkr.len = sizeof(wkr);
5233 memcpy( wkr.key, key, keylen );
5234 memcpy( wkr.mac, macaddr, ETH_ALEN );
5237 if (perm) disable_MAC(ai, lock);
5238 writeWepKeyRid(ai, &wkr, perm, lock);
5239 if (perm) enable_MAC(ai, lock);
5243 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5244 struct proc_data *data;
5245 struct proc_dir_entry *dp = PDE(inode);
5246 struct net_device *dev = dp->data;
5247 struct airo_info *ai = dev->priv;
5253 memset(key, 0, sizeof(key));
5255 data = (struct proc_data *)file->private_data;
5256 if ( !data->writelen ) return;
5258 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5259 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5260 index = data->wbuffer[0] - '0';
5261 if (data->wbuffer[1] == '\n') {
5262 set_wep_key(ai, index, NULL, 0, 1, 1);
5267 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5271 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5274 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5277 key[i/3] |= hexVal(data->wbuffer[i+j]);
5281 set_wep_key(ai, index, key, i/3, 1, 1);
5284 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5285 struct proc_data *data;
5286 struct proc_dir_entry *dp = PDE(inode);
5287 struct net_device *dev = dp->data;
5288 struct airo_info *ai = dev->priv;
5295 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5297 memset(&wkr, 0, sizeof(wkr));
5298 data = (struct proc_data *)file->private_data;
5299 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5300 kfree (file->private_data);
5304 data->maxwritelen = 80;
5305 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5306 kfree (data->rbuffer);
5307 kfree (file->private_data);
5310 data->on_close = proc_wepkey_on_close;
5312 ptr = data->rbuffer;
5313 strcpy(ptr, "No wep keys\n");
5314 rc = readWepKeyRid(ai, &wkr, 1, 1);
5315 if (rc == SUCCESS) do {
5316 lastindex = wkr.kindex;
5317 if (wkr.kindex == 0xffff) {
5318 j += sprintf(ptr+j, "Tx key = %d\n",
5321 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5322 (int)wkr.kindex, (int)wkr.klen);
5324 readWepKeyRid(ai, &wkr, 0, 1);
5325 } while((lastindex != wkr.kindex) && (j < 180-30));
5327 data->readlen = strlen( data->rbuffer );
5331 static int proc_SSID_open(struct inode *inode, struct file *file)
5333 struct proc_data *data;
5334 struct proc_dir_entry *dp = PDE(inode);
5335 struct net_device *dev = dp->data;
5336 struct airo_info *ai = dev->priv;
5341 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5343 data = (struct proc_data *)file->private_data;
5344 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5345 kfree (file->private_data);
5349 data->maxwritelen = 33*3;
5350 /* allocate maxwritelen + 1; we'll want a sentinel */
5351 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) {
5352 kfree (data->rbuffer);
5353 kfree (file->private_data);
5356 data->on_close = proc_SSID_on_close;
5358 readSsidRid(ai, &SSID_rid);
5359 ptr = data->rbuffer;
5360 for (i = 0; i < 3; i++) {
5362 size_t len = le16_to_cpu(SSID_rid.ssids[i].len);
5367 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++)
5368 *ptr++ = SSID_rid.ssids[i].ssid[j];
5372 data->readlen = strlen( data->rbuffer );
5376 static int proc_APList_open( struct inode *inode, struct file *file ) {
5377 struct proc_data *data;
5378 struct proc_dir_entry *dp = PDE(inode);
5379 struct net_device *dev = dp->data;
5380 struct airo_info *ai = dev->priv;
5383 APListRid APList_rid;
5384 DECLARE_MAC_BUF(mac);
5386 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5388 data = (struct proc_data *)file->private_data;
5389 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5390 kfree (file->private_data);
5394 data->maxwritelen = 4*6*3;
5395 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5396 kfree (data->rbuffer);
5397 kfree (file->private_data);
5400 data->on_close = proc_APList_on_close;
5402 readAPListRid(ai, &APList_rid);
5403 ptr = data->rbuffer;
5404 for( i = 0; i < 4; i++ ) {
5405 // We end when we find a zero MAC
5406 if ( !*(int*)APList_rid.ap[i] &&
5407 !*(int*)&APList_rid.ap[i][2]) break;
5408 ptr += sprintf(ptr, "%s\n",
5409 print_mac(mac, APList_rid.ap[i]));
5411 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5414 data->readlen = strlen( data->rbuffer );
5418 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5419 struct proc_data *data;
5420 struct proc_dir_entry *dp = PDE(inode);
5421 struct net_device *dev = dp->data;
5422 struct airo_info *ai = dev->priv;
5424 BSSListRid BSSList_rid;
5426 /* If doLoseSync is not 1, we won't do a Lose Sync */
5427 int doLoseSync = -1;
5428 DECLARE_MAC_BUF(mac);
5430 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5432 data = (struct proc_data *)file->private_data;
5433 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5434 kfree (file->private_data);
5438 data->maxwritelen = 0;
5439 data->wbuffer = NULL;
5440 data->on_close = NULL;
5442 if (file->f_mode & FMODE_WRITE) {
5443 if (!(file->f_mode & FMODE_READ)) {
5447 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5448 memset(&cmd, 0, sizeof(cmd));
5449 cmd.cmd=CMD_LISTBSS;
5450 if (down_interruptible(&ai->sem))
5451 return -ERESTARTSYS;
5452 issuecommand(ai, &cmd, &rsp);
5459 ptr = data->rbuffer;
5460 /* There is a race condition here if there are concurrent opens.
5461 Since it is a rare condition, we'll just live with it, otherwise
5462 we have to add a spin lock... */
5463 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5464 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) {
5465 ptr += sprintf(ptr, "%s %*s rssi = %d",
5466 print_mac(mac, BSSList_rid.bssid),
5467 (int)BSSList_rid.ssidLen,
5469 le16_to_cpu(BSSList_rid.dBm));
5470 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5471 le16_to_cpu(BSSList_rid.dsChannel),
5472 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5473 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5474 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5475 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5476 rc = readBSSListRid(ai, 0, &BSSList_rid);
5479 data->readlen = strlen( data->rbuffer );
5483 static int proc_close( struct inode *inode, struct file *file )
5485 struct proc_data *data = file->private_data;
5487 if (data->on_close != NULL)
5488 data->on_close(inode, file);
5489 kfree(data->rbuffer);
5490 kfree(data->wbuffer);
5495 /* Since the card doesn't automatically switch to the right WEP mode,
5496 we will make it do it. If the card isn't associated, every secs we
5497 will switch WEP modes to see if that will help. If the card is
5498 associated we will check every minute to see if anything has
5500 static void timer_func( struct net_device *dev ) {
5501 struct airo_info *apriv = dev->priv;
5503 /* We don't have a link so try changing the authtype */
5504 readConfigRid(apriv, 0);
5505 disable_MAC(apriv, 0);
5506 switch(apriv->config.authType) {
5508 /* So drop to OPEN */
5509 apriv->config.authType = AUTH_OPEN;
5511 case AUTH_SHAREDKEY:
5512 if (apriv->keyindex < auto_wep) {
5513 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5514 apriv->config.authType = AUTH_SHAREDKEY;
5517 /* Drop to ENCRYPT */
5518 apriv->keyindex = 0;
5519 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5520 apriv->config.authType = AUTH_ENCRYPT;
5523 default: /* We'll escalate to SHAREDKEY */
5524 apriv->config.authType = AUTH_SHAREDKEY;
5526 set_bit (FLAG_COMMIT, &apriv->flags);
5527 writeConfigRid(apriv, 0);
5528 enable_MAC(apriv, 0);
5531 /* Schedule check to see if the change worked */
5532 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5533 apriv->expires = RUN_AT(HZ*3);
5537 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5538 const struct pci_device_id *pent)
5540 struct net_device *dev;
5542 if (pci_enable_device(pdev))
5544 pci_set_master(pdev);
5546 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5547 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5549 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5551 pci_disable_device(pdev);
5555 pci_set_drvdata(pdev, dev);
5559 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5561 struct net_device *dev = pci_get_drvdata(pdev);
5563 airo_print_info(dev->name, "Unregistering...");
5564 stop_airo_card(dev, 1);
5565 pci_disable_device(pdev);
5566 pci_set_drvdata(pdev, NULL);
5569 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5571 struct net_device *dev = pci_get_drvdata(pdev);
5572 struct airo_info *ai = dev->priv;
5576 if ((ai->APList == NULL) &&
5577 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5579 if ((ai->SSID == NULL) &&
5580 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5582 readAPListRid(ai, ai->APList);
5583 readSsidRid(ai, ai->SSID);
5584 memset(&cmd, 0, sizeof(cmd));
5585 /* the lock will be released at the end of the resume callback */
5586 if (down_interruptible(&ai->sem))
5589 netif_device_detach(dev);
5592 issuecommand(ai, &cmd, &rsp);
5594 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5595 pci_save_state(pdev);
5596 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5599 static int airo_pci_resume(struct pci_dev *pdev)
5601 struct net_device *dev = pci_get_drvdata(pdev);
5602 struct airo_info *ai = dev->priv;
5603 pci_power_t prev_state = pdev->current_state;
5605 pci_set_power_state(pdev, PCI_D0);
5606 pci_restore_state(pdev);
5607 pci_enable_wake(pdev, PCI_D0, 0);
5609 if (prev_state != PCI_D1) {
5611 mpi_init_descriptors(ai);
5612 setup_card(ai, dev->dev_addr, 0);
5613 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5614 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5616 OUT4500(ai, EVACK, EV_AWAKEN);
5617 OUT4500(ai, EVACK, EV_AWAKEN);
5621 set_bit (FLAG_COMMIT, &ai->flags);
5625 writeSsidRid(ai, ai->SSID, 0);
5630 writeAPListRid(ai, ai->APList, 0);
5634 writeConfigRid(ai, 0);
5636 ai->power = PMSG_ON;
5637 netif_device_attach(dev);
5638 netif_wake_queue(dev);
5639 enable_interrupts(ai);
5645 static int __init airo_init_module( void )
5649 int have_isa_dev = 0;
5652 airo_entry = create_proc_entry("aironet",
5653 S_IFDIR | airo_perm,
5657 airo_entry->uid = proc_uid;
5658 airo_entry->gid = proc_gid;
5661 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5662 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5663 "io=0x%x", irq[i], io[i] );
5664 if (init_airo_card( irq[i], io[i], 0, NULL ))
5673 airo_print_info("", "Probing for PCI adapters");
5674 i = pci_register_driver(&airo_driver);
5675 airo_print_info("", "Finished probing for PCI adapters");
5678 remove_proc_entry("aironet", proc_root_driver);
5683 /* Always exit with success, as we are a library module
5684 * as well as a driver module
5689 static void __exit airo_cleanup_module( void )
5691 struct airo_info *ai;
5692 while(!list_empty(&airo_devices)) {
5693 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5694 airo_print_info(ai->dev->name, "Unregistering...");
5695 stop_airo_card(ai->dev, 1);
5698 pci_unregister_driver(&airo_driver);
5700 remove_proc_entry("aironet", proc_root_driver);
5704 * Initial Wireless Extension code for Aironet driver by :
5705 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5706 * Conversion to new driver API by :
5707 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5708 * Javier also did a good amount of work here, adding some new extensions
5709 * and fixing my code. Let's just say that without him this code just
5710 * would not work at all... - Jean II
5713 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5718 return (0x100 - rssi_rid[rssi].rssidBm);
5721 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5728 for( i = 0; i < 256; i++ )
5729 if (rssi_rid[i].rssidBm == dbm)
5730 return rssi_rid[i].rssipct;
5736 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5740 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5741 if (memcmp(cap_rid->prodName, "350", 3))
5742 if (status_rid->signalQuality > 0x20)
5745 quality = 0x20 - status_rid->signalQuality;
5747 if (status_rid->signalQuality > 0xb0)
5749 else if (status_rid->signalQuality < 0x10)
5752 quality = 0xb0 - status_rid->signalQuality;
5757 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5758 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5760 /*------------------------------------------------------------------*/
5762 * Wireless Handler : get protocol name
5764 static int airo_get_name(struct net_device *dev,
5765 struct iw_request_info *info,
5769 strcpy(cwrq, "IEEE 802.11-DS");
5773 /*------------------------------------------------------------------*/
5775 * Wireless Handler : set frequency
5777 static int airo_set_freq(struct net_device *dev,
5778 struct iw_request_info *info,
5779 struct iw_freq *fwrq,
5782 struct airo_info *local = dev->priv;
5783 int rc = -EINPROGRESS; /* Call commit handler */
5785 /* If setting by frequency, convert to a channel */
5786 if((fwrq->e == 1) &&
5787 (fwrq->m >= (int) 2.412e8) &&
5788 (fwrq->m <= (int) 2.487e8)) {
5789 int f = fwrq->m / 100000;
5791 while((c < 14) && (f != frequency_list[c]))
5793 /* Hack to fall through... */
5797 /* Setting by channel number */
5798 if((fwrq->m > 1000) || (fwrq->e > 0))
5801 int channel = fwrq->m;
5802 /* We should do a better check than that,
5803 * based on the card capability !!! */
5804 if((channel < 1) || (channel > 14)) {
5805 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5809 readConfigRid(local, 1);
5810 /* Yes ! We can set it !!! */
5811 local->config.channelSet = (u16) channel;
5812 set_bit (FLAG_COMMIT, &local->flags);
5818 /*------------------------------------------------------------------*/
5820 * Wireless Handler : get frequency
5822 static int airo_get_freq(struct net_device *dev,
5823 struct iw_request_info *info,
5824 struct iw_freq *fwrq,
5827 struct airo_info *local = dev->priv;
5828 StatusRid status_rid; /* Card status info */
5831 readConfigRid(local, 1);
5832 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5833 status_rid.channel = local->config.channelSet;
5835 readStatusRid(local, &status_rid, 1);
5837 ch = (int)status_rid.channel;
5838 if((ch > 0) && (ch < 15)) {
5839 fwrq->m = frequency_list[ch - 1] * 100000;
5849 /*------------------------------------------------------------------*/
5851 * Wireless Handler : set ESSID
5853 static int airo_set_essid(struct net_device *dev,
5854 struct iw_request_info *info,
5855 struct iw_point *dwrq,
5858 struct airo_info *local = dev->priv;
5859 SsidRid SSID_rid; /* SSIDs */
5861 /* Reload the list of current SSID */
5862 readSsidRid(local, &SSID_rid);
5864 /* Check if we asked for `any' */
5865 if(dwrq->flags == 0) {
5866 /* Just send an empty SSID list */
5867 memset(&SSID_rid, 0, sizeof(SSID_rid));
5869 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5871 /* Check the size of the string */
5872 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5875 /* Check if index is valid */
5876 if((index < 0) || (index >= 4)) {
5881 memset(SSID_rid.ssids[index].ssid, 0,
5882 sizeof(SSID_rid.ssids[index].ssid));
5883 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5884 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length);
5886 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid));
5887 /* Write it to the card */
5888 disable_MAC(local, 1);
5889 writeSsidRid(local, &SSID_rid, 1);
5890 enable_MAC(local, 1);
5895 /*------------------------------------------------------------------*/
5897 * Wireless Handler : get ESSID
5899 static int airo_get_essid(struct net_device *dev,
5900 struct iw_request_info *info,
5901 struct iw_point *dwrq,
5904 struct airo_info *local = dev->priv;
5905 StatusRid status_rid; /* Card status info */
5907 readStatusRid(local, &status_rid, 1);
5909 /* Note : if dwrq->flags != 0, we should
5910 * get the relevant SSID from the SSID list... */
5912 /* Get the current SSID */
5913 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5914 /* If none, we may want to get the one that was set */
5917 dwrq->length = status_rid.SSIDlen;
5918 dwrq->flags = 1; /* active */
5923 /*------------------------------------------------------------------*/
5925 * Wireless Handler : set AP address
5927 static int airo_set_wap(struct net_device *dev,
5928 struct iw_request_info *info,
5929 struct sockaddr *awrq,
5932 struct airo_info *local = dev->priv;
5935 APListRid APList_rid;
5936 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5937 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5939 if (awrq->sa_family != ARPHRD_ETHER)
5941 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5942 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5943 memset(&cmd, 0, sizeof(cmd));
5944 cmd.cmd=CMD_LOSE_SYNC;
5945 if (down_interruptible(&local->sem))
5946 return -ERESTARTSYS;
5947 issuecommand(local, &cmd, &rsp);
5950 memset(&APList_rid, 0, sizeof(APList_rid));
5951 APList_rid.len = sizeof(APList_rid);
5952 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5953 disable_MAC(local, 1);
5954 writeAPListRid(local, &APList_rid, 1);
5955 enable_MAC(local, 1);
5960 /*------------------------------------------------------------------*/
5962 * Wireless Handler : get AP address
5964 static int airo_get_wap(struct net_device *dev,
5965 struct iw_request_info *info,
5966 struct sockaddr *awrq,
5969 struct airo_info *local = dev->priv;
5970 StatusRid status_rid; /* Card status info */
5972 readStatusRid(local, &status_rid, 1);
5974 /* Tentative. This seems to work, wow, I'm lucky !!! */
5975 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5976 awrq->sa_family = ARPHRD_ETHER;
5981 /*------------------------------------------------------------------*/
5983 * Wireless Handler : set Nickname
5985 static int airo_set_nick(struct net_device *dev,
5986 struct iw_request_info *info,
5987 struct iw_point *dwrq,
5990 struct airo_info *local = dev->priv;
5992 /* Check the size of the string */
5993 if(dwrq->length > 16) {
5996 readConfigRid(local, 1);
5997 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5998 memcpy(local->config.nodeName, extra, dwrq->length);
5999 set_bit (FLAG_COMMIT, &local->flags);
6001 return -EINPROGRESS; /* Call commit handler */
6004 /*------------------------------------------------------------------*/
6006 * Wireless Handler : get Nickname
6008 static int airo_get_nick(struct net_device *dev,
6009 struct iw_request_info *info,
6010 struct iw_point *dwrq,
6013 struct airo_info *local = dev->priv;
6015 readConfigRid(local, 1);
6016 strncpy(extra, local->config.nodeName, 16);
6018 dwrq->length = strlen(extra);
6023 /*------------------------------------------------------------------*/
6025 * Wireless Handler : set Bit-Rate
6027 static int airo_set_rate(struct net_device *dev,
6028 struct iw_request_info *info,
6029 struct iw_param *vwrq,
6032 struct airo_info *local = dev->priv;
6033 CapabilityRid cap_rid; /* Card capability info */
6037 /* First : get a valid bit rate value */
6038 readCapabilityRid(local, &cap_rid, 1);
6040 /* Which type of value ? */
6041 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6042 /* Setting by rate index */
6043 /* Find value in the magic rate table */
6044 brate = cap_rid.supportedRates[vwrq->value];
6046 /* Setting by frequency value */
6047 u8 normvalue = (u8) (vwrq->value/500000);
6049 /* Check if rate is valid */
6050 for(i = 0 ; i < 8 ; i++) {
6051 if(normvalue == cap_rid.supportedRates[i]) {
6057 /* -1 designed the max rate (mostly auto mode) */
6058 if(vwrq->value == -1) {
6059 /* Get the highest available rate */
6060 for(i = 0 ; i < 8 ; i++) {
6061 if(cap_rid.supportedRates[i] == 0)
6065 brate = cap_rid.supportedRates[i - 1];
6067 /* Check that it is valid */
6072 readConfigRid(local, 1);
6073 /* Now, check if we want a fixed or auto value */
6074 if(vwrq->fixed == 0) {
6075 /* Fill all the rates up to this max rate */
6076 memset(local->config.rates, 0, 8);
6077 for(i = 0 ; i < 8 ; i++) {
6078 local->config.rates[i] = cap_rid.supportedRates[i];
6079 if(local->config.rates[i] == brate)
6084 /* One rate, fixed */
6085 memset(local->config.rates, 0, 8);
6086 local->config.rates[0] = brate;
6088 set_bit (FLAG_COMMIT, &local->flags);
6090 return -EINPROGRESS; /* Call commit handler */
6093 /*------------------------------------------------------------------*/
6095 * Wireless Handler : get Bit-Rate
6097 static int airo_get_rate(struct net_device *dev,
6098 struct iw_request_info *info,
6099 struct iw_param *vwrq,
6102 struct airo_info *local = dev->priv;
6103 StatusRid status_rid; /* Card status info */
6105 readStatusRid(local, &status_rid, 1);
6107 vwrq->value = status_rid.currentXmitRate * 500000;
6108 /* If more than one rate, set auto */
6109 readConfigRid(local, 1);
6110 vwrq->fixed = (local->config.rates[1] == 0);
6115 /*------------------------------------------------------------------*/
6117 * Wireless Handler : set RTS threshold
6119 static int airo_set_rts(struct net_device *dev,
6120 struct iw_request_info *info,
6121 struct iw_param *vwrq,
6124 struct airo_info *local = dev->priv;
6125 int rthr = vwrq->value;
6128 rthr = AIRO_DEF_MTU;
6129 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6132 readConfigRid(local, 1);
6133 local->config.rtsThres = rthr;
6134 set_bit (FLAG_COMMIT, &local->flags);
6136 return -EINPROGRESS; /* Call commit handler */
6139 /*------------------------------------------------------------------*/
6141 * Wireless Handler : get RTS threshold
6143 static int airo_get_rts(struct net_device *dev,
6144 struct iw_request_info *info,
6145 struct iw_param *vwrq,
6148 struct airo_info *local = dev->priv;
6150 readConfigRid(local, 1);
6151 vwrq->value = local->config.rtsThres;
6152 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6158 /*------------------------------------------------------------------*/
6160 * Wireless Handler : set Fragmentation threshold
6162 static int airo_set_frag(struct net_device *dev,
6163 struct iw_request_info *info,
6164 struct iw_param *vwrq,
6167 struct airo_info *local = dev->priv;
6168 int fthr = vwrq->value;
6171 fthr = AIRO_DEF_MTU;
6172 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6175 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6176 readConfigRid(local, 1);
6177 local->config.fragThresh = (u16)fthr;
6178 set_bit (FLAG_COMMIT, &local->flags);
6180 return -EINPROGRESS; /* Call commit handler */
6183 /*------------------------------------------------------------------*/
6185 * Wireless Handler : get Fragmentation threshold
6187 static int airo_get_frag(struct net_device *dev,
6188 struct iw_request_info *info,
6189 struct iw_param *vwrq,
6192 struct airo_info *local = dev->priv;
6194 readConfigRid(local, 1);
6195 vwrq->value = local->config.fragThresh;
6196 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6202 /*------------------------------------------------------------------*/
6204 * Wireless Handler : set Mode of Operation
6206 static int airo_set_mode(struct net_device *dev,
6207 struct iw_request_info *info,
6211 struct airo_info *local = dev->priv;
6214 readConfigRid(local, 1);
6215 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6220 local->config.opmode &= 0xFF00;
6221 local->config.opmode |= MODE_STA_IBSS;
6222 local->config.rmode &= 0xfe00;
6223 local->config.scanMode = SCANMODE_ACTIVE;
6224 clear_bit (FLAG_802_11, &local->flags);
6227 local->config.opmode &= 0xFF00;
6228 local->config.opmode |= MODE_STA_ESS;
6229 local->config.rmode &= 0xfe00;
6230 local->config.scanMode = SCANMODE_ACTIVE;
6231 clear_bit (FLAG_802_11, &local->flags);
6233 case IW_MODE_MASTER:
6234 local->config.opmode &= 0xFF00;
6235 local->config.opmode |= MODE_AP;
6236 local->config.rmode &= 0xfe00;
6237 local->config.scanMode = SCANMODE_ACTIVE;
6238 clear_bit (FLAG_802_11, &local->flags);
6240 case IW_MODE_REPEAT:
6241 local->config.opmode &= 0xFF00;
6242 local->config.opmode |= MODE_AP_RPTR;
6243 local->config.rmode &= 0xfe00;
6244 local->config.scanMode = SCANMODE_ACTIVE;
6245 clear_bit (FLAG_802_11, &local->flags);
6247 case IW_MODE_MONITOR:
6248 local->config.opmode &= 0xFF00;
6249 local->config.opmode |= MODE_STA_ESS;
6250 local->config.rmode &= 0xfe00;
6251 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6252 local->config.scanMode = SCANMODE_PASSIVE;
6253 set_bit (FLAG_802_11, &local->flags);
6259 set_bit (FLAG_RESET, &local->flags);
6260 set_bit (FLAG_COMMIT, &local->flags);
6262 return -EINPROGRESS; /* Call commit handler */
6265 /*------------------------------------------------------------------*/
6267 * Wireless Handler : get Mode of Operation
6269 static int airo_get_mode(struct net_device *dev,
6270 struct iw_request_info *info,
6274 struct airo_info *local = dev->priv;
6276 readConfigRid(local, 1);
6277 /* If not managed, assume it's ad-hoc */
6278 switch (local->config.opmode & 0xFF) {
6280 *uwrq = IW_MODE_INFRA;
6283 *uwrq = IW_MODE_MASTER;
6286 *uwrq = IW_MODE_REPEAT;
6289 *uwrq = IW_MODE_ADHOC;
6295 /*------------------------------------------------------------------*/
6297 * Wireless Handler : set Encryption Key
6299 static int airo_set_encode(struct net_device *dev,
6300 struct iw_request_info *info,
6301 struct iw_point *dwrq,
6304 struct airo_info *local = dev->priv;
6305 CapabilityRid cap_rid; /* Card capability info */
6306 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6307 u16 currentAuthType = local->config.authType;
6309 /* Is WEP supported ? */
6310 readCapabilityRid(local, &cap_rid, 1);
6311 /* Older firmware doesn't support this...
6312 if(!(cap_rid.softCap & 2)) {
6315 readConfigRid(local, 1);
6317 /* Basic checking: do we have a key to set ?
6318 * Note : with the new API, it's impossible to get a NULL pointer.
6319 * Therefore, we need to check a key size == 0 instead.
6320 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6321 * when no key is present (only change flags), but older versions
6322 * don't do it. - Jean II */
6323 if (dwrq->length > 0) {
6325 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6326 int current_index = get_wep_key(local, 0xffff);
6327 /* Check the size of the key */
6328 if (dwrq->length > MAX_KEY_SIZE) {
6331 /* Check the index (none -> use current) */
6332 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6333 index = current_index;
6334 /* Set the length */
6335 if (dwrq->length > MIN_KEY_SIZE)
6336 key.len = MAX_KEY_SIZE;
6338 if (dwrq->length > 0)
6339 key.len = MIN_KEY_SIZE;
6341 /* Disable the key */
6343 /* Check if the key is not marked as invalid */
6344 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6346 memset(key.key, 0, MAX_KEY_SIZE);
6347 /* Copy the key in the driver */
6348 memcpy(key.key, extra, dwrq->length);
6349 /* Send the key to the card */
6350 set_wep_key(local, index, key.key, key.len, perm, 1);
6352 /* WE specify that if a valid key is set, encryption
6353 * should be enabled (user may turn it off later)
6354 * This is also how "iwconfig ethX key on" works */
6355 if((index == current_index) && (key.len > 0) &&
6356 (local->config.authType == AUTH_OPEN)) {
6357 local->config.authType = AUTH_ENCRYPT;
6360 /* Do we want to just set the transmit key index ? */
6361 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6362 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6363 set_wep_key(local, index, NULL, 0, perm, 1);
6365 /* Don't complain if only change the mode */
6366 if (!(dwrq->flags & IW_ENCODE_MODE))
6369 /* Read the flags */
6370 if(dwrq->flags & IW_ENCODE_DISABLED)
6371 local->config.authType = AUTH_OPEN; // disable encryption
6372 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6373 local->config.authType = AUTH_SHAREDKEY; // Only Both
6374 if(dwrq->flags & IW_ENCODE_OPEN)
6375 local->config.authType = AUTH_ENCRYPT; // Only Wep
6376 /* Commit the changes to flags if needed */
6377 if (local->config.authType != currentAuthType)
6378 set_bit (FLAG_COMMIT, &local->flags);
6379 return -EINPROGRESS; /* Call commit handler */
6382 /*------------------------------------------------------------------*/
6384 * Wireless Handler : get Encryption Key
6386 static int airo_get_encode(struct net_device *dev,
6387 struct iw_request_info *info,
6388 struct iw_point *dwrq,
6391 struct airo_info *local = dev->priv;
6392 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6393 CapabilityRid cap_rid; /* Card capability info */
6395 /* Is it supported ? */
6396 readCapabilityRid(local, &cap_rid, 1);
6397 if(!(cap_rid.softCap & 2)) {
6400 readConfigRid(local, 1);
6401 /* Check encryption mode */
6402 switch(local->config.authType) {
6404 dwrq->flags = IW_ENCODE_OPEN;
6406 case AUTH_SHAREDKEY:
6407 dwrq->flags = IW_ENCODE_RESTRICTED;
6411 dwrq->flags = IW_ENCODE_DISABLED;
6414 /* We can't return the key, so set the proper flag and return zero */
6415 dwrq->flags |= IW_ENCODE_NOKEY;
6416 memset(extra, 0, 16);
6418 /* Which key do we want ? -1 -> tx index */
6419 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6420 index = get_wep_key(local, 0xffff);
6421 dwrq->flags |= index + 1;
6422 /* Copy the key to the user buffer */
6423 dwrq->length = get_wep_key(local, index);
6424 if (dwrq->length > 16) {
6430 /*------------------------------------------------------------------*/
6432 * Wireless Handler : set extended Encryption parameters
6434 static int airo_set_encodeext(struct net_device *dev,
6435 struct iw_request_info *info,
6436 union iwreq_data *wrqu,
6439 struct airo_info *local = dev->priv;
6440 struct iw_point *encoding = &wrqu->encoding;
6441 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6442 CapabilityRid cap_rid; /* Card capability info */
6443 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6444 u16 currentAuthType = local->config.authType;
6445 int idx, key_len, alg = ext->alg, set_key = 1;
6448 /* Is WEP supported ? */
6449 readCapabilityRid(local, &cap_rid, 1);
6450 /* Older firmware doesn't support this...
6451 if(!(cap_rid.softCap & 2)) {
6454 readConfigRid(local, 1);
6456 /* Determine and validate the key index */
6457 idx = encoding->flags & IW_ENCODE_INDEX;
6459 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6463 idx = get_wep_key(local, 0xffff);
6465 if (encoding->flags & IW_ENCODE_DISABLED)
6466 alg = IW_ENCODE_ALG_NONE;
6468 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6469 /* Only set transmit key index here, actual
6470 * key is set below if needed.
6472 set_wep_key(local, idx, NULL, 0, perm, 1);
6473 set_key = ext->key_len > 0 ? 1 : 0;
6477 /* Set the requested key first */
6478 memset(key.key, 0, MAX_KEY_SIZE);
6480 case IW_ENCODE_ALG_NONE:
6483 case IW_ENCODE_ALG_WEP:
6484 if (ext->key_len > MIN_KEY_SIZE) {
6485 key.len = MAX_KEY_SIZE;
6486 } else if (ext->key_len > 0) {
6487 key.len = MIN_KEY_SIZE;
6491 key_len = min (ext->key_len, key.len);
6492 memcpy(key.key, ext->key, key_len);
6497 /* Send the key to the card */
6498 set_wep_key(local, idx, key.key, key.len, perm, 1);
6501 /* Read the flags */
6502 if(encoding->flags & IW_ENCODE_DISABLED)
6503 local->config.authType = AUTH_OPEN; // disable encryption
6504 if(encoding->flags & IW_ENCODE_RESTRICTED)
6505 local->config.authType = AUTH_SHAREDKEY; // Only Both
6506 if(encoding->flags & IW_ENCODE_OPEN)
6507 local->config.authType = AUTH_ENCRYPT; // Only Wep
6508 /* Commit the changes to flags if needed */
6509 if (local->config.authType != currentAuthType)
6510 set_bit (FLAG_COMMIT, &local->flags);
6512 return -EINPROGRESS;
6516 /*------------------------------------------------------------------*/
6518 * Wireless Handler : get extended Encryption parameters
6520 static int airo_get_encodeext(struct net_device *dev,
6521 struct iw_request_info *info,
6522 union iwreq_data *wrqu,
6525 struct airo_info *local = dev->priv;
6526 struct iw_point *encoding = &wrqu->encoding;
6527 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6528 CapabilityRid cap_rid; /* Card capability info */
6529 int idx, max_key_len;
6531 /* Is it supported ? */
6532 readCapabilityRid(local, &cap_rid, 1);
6533 if(!(cap_rid.softCap & 2)) {
6536 readConfigRid(local, 1);
6538 max_key_len = encoding->length - sizeof(*ext);
6539 if (max_key_len < 0)
6542 idx = encoding->flags & IW_ENCODE_INDEX;
6544 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6548 idx = get_wep_key(local, 0xffff);
6550 encoding->flags = idx + 1;
6551 memset(ext, 0, sizeof(*ext));
6553 /* Check encryption mode */
6554 switch(local->config.authType) {
6556 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6558 case AUTH_SHAREDKEY:
6559 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6563 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6566 /* We can't return the key, so set the proper flag and return zero */
6567 encoding->flags |= IW_ENCODE_NOKEY;
6568 memset(extra, 0, 16);
6570 /* Copy the key to the user buffer */
6571 ext->key_len = get_wep_key(local, idx);
6572 if (ext->key_len > 16) {
6580 /*------------------------------------------------------------------*/
6582 * Wireless Handler : set extended authentication parameters
6584 static int airo_set_auth(struct net_device *dev,
6585 struct iw_request_info *info,
6586 union iwreq_data *wrqu, char *extra)
6588 struct airo_info *local = dev->priv;
6589 struct iw_param *param = &wrqu->param;
6590 u16 currentAuthType = local->config.authType;
6592 switch (param->flags & IW_AUTH_INDEX) {
6593 case IW_AUTH_WPA_VERSION:
6594 case IW_AUTH_CIPHER_PAIRWISE:
6595 case IW_AUTH_CIPHER_GROUP:
6596 case IW_AUTH_KEY_MGMT:
6597 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6598 case IW_AUTH_PRIVACY_INVOKED:
6600 * airo does not use these parameters
6604 case IW_AUTH_DROP_UNENCRYPTED:
6606 /* Only change auth type if unencrypted */
6607 if (currentAuthType == AUTH_OPEN)
6608 local->config.authType = AUTH_ENCRYPT;
6610 local->config.authType = AUTH_OPEN;
6613 /* Commit the changes to flags if needed */
6614 if (local->config.authType != currentAuthType)
6615 set_bit (FLAG_COMMIT, &local->flags);
6618 case IW_AUTH_80211_AUTH_ALG: {
6619 /* FIXME: What about AUTH_OPEN? This API seems to
6620 * disallow setting our auth to AUTH_OPEN.
6622 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6623 local->config.authType = AUTH_SHAREDKEY;
6624 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6625 local->config.authType = AUTH_ENCRYPT;
6630 /* Commit the changes to flags if needed */
6631 if (local->config.authType != currentAuthType)
6632 set_bit (FLAG_COMMIT, &local->flags);
6635 case IW_AUTH_WPA_ENABLED:
6636 /* Silently accept disable of WPA */
6637 if (param->value > 0)
6644 return -EINPROGRESS;
6648 /*------------------------------------------------------------------*/
6650 * Wireless Handler : get extended authentication parameters
6652 static int airo_get_auth(struct net_device *dev,
6653 struct iw_request_info *info,
6654 union iwreq_data *wrqu, char *extra)
6656 struct airo_info *local = dev->priv;
6657 struct iw_param *param = &wrqu->param;
6658 u16 currentAuthType = local->config.authType;
6660 switch (param->flags & IW_AUTH_INDEX) {
6661 case IW_AUTH_DROP_UNENCRYPTED:
6662 switch (currentAuthType) {
6663 case AUTH_SHAREDKEY:
6673 case IW_AUTH_80211_AUTH_ALG:
6674 switch (currentAuthType) {
6675 case AUTH_SHAREDKEY:
6676 param->value = IW_AUTH_ALG_SHARED_KEY;
6680 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6685 case IW_AUTH_WPA_ENABLED:
6696 /*------------------------------------------------------------------*/
6698 * Wireless Handler : set Tx-Power
6700 static int airo_set_txpow(struct net_device *dev,
6701 struct iw_request_info *info,
6702 struct iw_param *vwrq,
6705 struct airo_info *local = dev->priv;
6706 CapabilityRid cap_rid; /* Card capability info */
6710 readCapabilityRid(local, &cap_rid, 1);
6712 if (vwrq->disabled) {
6713 set_bit (FLAG_RADIO_OFF, &local->flags);
6714 set_bit (FLAG_COMMIT, &local->flags);
6715 return -EINPROGRESS; /* Call commit handler */
6717 if (vwrq->flags != IW_TXPOW_MWATT) {
6720 clear_bit (FLAG_RADIO_OFF, &local->flags);
6721 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6722 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6723 readConfigRid(local, 1);
6724 local->config.txPower = vwrq->value;
6725 set_bit (FLAG_COMMIT, &local->flags);
6726 rc = -EINPROGRESS; /* Call commit handler */
6732 /*------------------------------------------------------------------*/
6734 * Wireless Handler : get Tx-Power
6736 static int airo_get_txpow(struct net_device *dev,
6737 struct iw_request_info *info,
6738 struct iw_param *vwrq,
6741 struct airo_info *local = dev->priv;
6743 readConfigRid(local, 1);
6744 vwrq->value = local->config.txPower;
6745 vwrq->fixed = 1; /* No power control */
6746 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6747 vwrq->flags = IW_TXPOW_MWATT;
6752 /*------------------------------------------------------------------*/
6754 * Wireless Handler : set Retry limits
6756 static int airo_set_retry(struct net_device *dev,
6757 struct iw_request_info *info,
6758 struct iw_param *vwrq,
6761 struct airo_info *local = dev->priv;
6764 if(vwrq->disabled) {
6767 readConfigRid(local, 1);
6768 if(vwrq->flags & IW_RETRY_LIMIT) {
6769 if(vwrq->flags & IW_RETRY_LONG)
6770 local->config.longRetryLimit = vwrq->value;
6771 else if (vwrq->flags & IW_RETRY_SHORT)
6772 local->config.shortRetryLimit = vwrq->value;
6774 /* No modifier : set both */
6775 local->config.longRetryLimit = vwrq->value;
6776 local->config.shortRetryLimit = vwrq->value;
6778 set_bit (FLAG_COMMIT, &local->flags);
6779 rc = -EINPROGRESS; /* Call commit handler */
6781 if(vwrq->flags & IW_RETRY_LIFETIME) {
6782 local->config.txLifetime = vwrq->value / 1024;
6783 set_bit (FLAG_COMMIT, &local->flags);
6784 rc = -EINPROGRESS; /* Call commit handler */
6789 /*------------------------------------------------------------------*/
6791 * Wireless Handler : get Retry limits
6793 static int airo_get_retry(struct net_device *dev,
6794 struct iw_request_info *info,
6795 struct iw_param *vwrq,
6798 struct airo_info *local = dev->priv;
6800 vwrq->disabled = 0; /* Can't be disabled */
6802 readConfigRid(local, 1);
6803 /* Note : by default, display the min retry number */
6804 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6805 vwrq->flags = IW_RETRY_LIFETIME;
6806 vwrq->value = (int)local->config.txLifetime * 1024;
6807 } else if((vwrq->flags & IW_RETRY_LONG)) {
6808 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6809 vwrq->value = (int)local->config.longRetryLimit;
6811 vwrq->flags = IW_RETRY_LIMIT;
6812 vwrq->value = (int)local->config.shortRetryLimit;
6813 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6814 vwrq->flags |= IW_RETRY_SHORT;
6820 /*------------------------------------------------------------------*/
6822 * Wireless Handler : get range info
6824 static int airo_get_range(struct net_device *dev,
6825 struct iw_request_info *info,
6826 struct iw_point *dwrq,
6829 struct airo_info *local = dev->priv;
6830 struct iw_range *range = (struct iw_range *) extra;
6831 CapabilityRid cap_rid; /* Card capability info */
6835 readCapabilityRid(local, &cap_rid, 1);
6837 dwrq->length = sizeof(struct iw_range);
6838 memset(range, 0, sizeof(*range));
6839 range->min_nwid = 0x0000;
6840 range->max_nwid = 0x0000;
6841 range->num_channels = 14;
6842 /* Should be based on cap_rid.country to give only
6843 * what the current card support */
6845 for(i = 0; i < 14; i++) {
6846 range->freq[k].i = i + 1; /* List index */
6847 range->freq[k].m = frequency_list[i] * 100000;
6848 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6850 range->num_frequency = k;
6852 range->sensitivity = 65535;
6854 /* Hum... Should put the right values there */
6856 range->max_qual.qual = 100; /* % */
6858 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6859 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6860 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6862 /* Experimental measurements - boundary 11/5.5 Mb/s */
6863 /* Note : with or without the (local->rssi), results
6864 * are somewhat different. - Jean II */
6866 range->avg_qual.qual = 50; /* % */
6867 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6869 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6870 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6872 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6874 for(i = 0 ; i < 8 ; i++) {
6875 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6876 if(range->bitrate[i] == 0)
6879 range->num_bitrates = i;
6881 /* Set an indication of the max TCP throughput
6882 * in bit/s that we can expect using this interface.
6883 * May be use for QoS stuff... Jean II */
6885 range->throughput = 5000 * 1000;
6887 range->throughput = 1500 * 1000;
6890 range->max_rts = AIRO_DEF_MTU;
6891 range->min_frag = 256;
6892 range->max_frag = AIRO_DEF_MTU;
6894 if(cap_rid.softCap & 2) {
6896 range->encoding_size[0] = 5;
6898 if (cap_rid.softCap & 0x100) {
6899 range->encoding_size[1] = 13;
6900 range->num_encoding_sizes = 2;
6902 range->num_encoding_sizes = 1;
6903 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6905 range->num_encoding_sizes = 0;
6906 range->max_encoding_tokens = 0;
6909 range->max_pmp = 5000000; /* 5 secs */
6911 range->max_pmt = 65535 * 1024; /* ??? */
6912 range->pmp_flags = IW_POWER_PERIOD;
6913 range->pmt_flags = IW_POWER_TIMEOUT;
6914 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6916 /* Transmit Power - values are in mW */
6917 for(i = 0 ; i < 8 ; i++) {
6918 range->txpower[i] = cap_rid.txPowerLevels[i];
6919 if(range->txpower[i] == 0)
6922 range->num_txpower = i;
6923 range->txpower_capa = IW_TXPOW_MWATT;
6924 range->we_version_source = 19;
6925 range->we_version_compiled = WIRELESS_EXT;
6926 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6927 range->retry_flags = IW_RETRY_LIMIT;
6928 range->r_time_flags = IW_RETRY_LIFETIME;
6929 range->min_retry = 1;
6930 range->max_retry = 65535;
6931 range->min_r_time = 1024;
6932 range->max_r_time = 65535 * 1024;
6934 /* Event capability (kernel + driver) */
6935 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6936 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6937 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6938 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6939 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6940 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6944 /*------------------------------------------------------------------*/
6946 * Wireless Handler : set Power Management
6948 static int airo_set_power(struct net_device *dev,
6949 struct iw_request_info *info,
6950 struct iw_param *vwrq,
6953 struct airo_info *local = dev->priv;
6955 readConfigRid(local, 1);
6956 if (vwrq->disabled) {
6957 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6960 local->config.powerSaveMode = POWERSAVE_CAM;
6961 local->config.rmode &= 0xFF00;
6962 local->config.rmode |= RXMODE_BC_MC_ADDR;
6963 set_bit (FLAG_COMMIT, &local->flags);
6964 return -EINPROGRESS; /* Call commit handler */
6966 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6967 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6968 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6969 set_bit (FLAG_COMMIT, &local->flags);
6970 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6971 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6972 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6973 set_bit (FLAG_COMMIT, &local->flags);
6975 switch (vwrq->flags & IW_POWER_MODE) {
6976 case IW_POWER_UNICAST_R:
6977 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6980 local->config.rmode &= 0xFF00;
6981 local->config.rmode |= RXMODE_ADDR;
6982 set_bit (FLAG_COMMIT, &local->flags);
6984 case IW_POWER_ALL_R:
6985 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6988 local->config.rmode &= 0xFF00;
6989 local->config.rmode |= RXMODE_BC_MC_ADDR;
6990 set_bit (FLAG_COMMIT, &local->flags);
6992 /* This is broken, fixme ;-) */
6997 // Note : we may want to factor local->need_commit here
6998 // Note2 : may also want to factor RXMODE_RFMON test
6999 return -EINPROGRESS; /* Call commit handler */
7002 /*------------------------------------------------------------------*/
7004 * Wireless Handler : get Power Management
7006 static int airo_get_power(struct net_device *dev,
7007 struct iw_request_info *info,
7008 struct iw_param *vwrq,
7011 struct airo_info *local = dev->priv;
7014 readConfigRid(local, 1);
7015 mode = local->config.powerSaveMode;
7016 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7018 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7019 vwrq->value = (int)local->config.fastListenDelay * 1024;
7020 vwrq->flags = IW_POWER_TIMEOUT;
7022 vwrq->value = (int)local->config.fastListenInterval * 1024;
7023 vwrq->flags = IW_POWER_PERIOD;
7025 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7026 vwrq->flags |= IW_POWER_UNICAST_R;
7028 vwrq->flags |= IW_POWER_ALL_R;
7033 /*------------------------------------------------------------------*/
7035 * Wireless Handler : set Sensitivity
7037 static int airo_set_sens(struct net_device *dev,
7038 struct iw_request_info *info,
7039 struct iw_param *vwrq,
7042 struct airo_info *local = dev->priv;
7044 readConfigRid(local, 1);
7045 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7046 set_bit (FLAG_COMMIT, &local->flags);
7048 return -EINPROGRESS; /* Call commit handler */
7051 /*------------------------------------------------------------------*/
7053 * Wireless Handler : get Sensitivity
7055 static int airo_get_sens(struct net_device *dev,
7056 struct iw_request_info *info,
7057 struct iw_param *vwrq,
7060 struct airo_info *local = dev->priv;
7062 readConfigRid(local, 1);
7063 vwrq->value = local->config.rssiThreshold;
7064 vwrq->disabled = (vwrq->value == 0);
7070 /*------------------------------------------------------------------*/
7072 * Wireless Handler : get AP List
7073 * Note : this is deprecated in favor of IWSCAN
7075 static int airo_get_aplist(struct net_device *dev,
7076 struct iw_request_info *info,
7077 struct iw_point *dwrq,
7080 struct airo_info *local = dev->priv;
7081 struct sockaddr *address = (struct sockaddr *) extra;
7082 struct iw_quality qual[IW_MAX_AP];
7085 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7087 for (i = 0; i < IW_MAX_AP; i++) {
7089 if (readBSSListRid(local, loseSync, &BSSList))
7092 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7093 address[i].sa_family = ARPHRD_ETHER;
7094 dBm = le16_to_cpu(BSSList.dBm);
7096 qual[i].level = 0x100 - dBm;
7097 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm);
7098 qual[i].updated = IW_QUAL_QUAL_UPDATED
7099 | IW_QUAL_LEVEL_UPDATED
7102 qual[i].level = (dBm + 321) / 2;
7104 qual[i].updated = IW_QUAL_QUAL_INVALID
7105 | IW_QUAL_LEVEL_UPDATED
7108 qual[i].noise = local->wstats.qual.noise;
7109 if (BSSList.index == cpu_to_le16(0xffff))
7113 StatusRid status_rid; /* Card status info */
7114 readStatusRid(local, &status_rid, 1);
7116 i < min(IW_MAX_AP, 4) &&
7117 (status_rid.bssid[i][0]
7118 & status_rid.bssid[i][1]
7119 & status_rid.bssid[i][2]
7120 & status_rid.bssid[i][3]
7121 & status_rid.bssid[i][4]
7122 & status_rid.bssid[i][5])!=0xff &&
7123 (status_rid.bssid[i][0]
7124 | status_rid.bssid[i][1]
7125 | status_rid.bssid[i][2]
7126 | status_rid.bssid[i][3]
7127 | status_rid.bssid[i][4]
7128 | status_rid.bssid[i][5]);
7130 memcpy(address[i].sa_data,
7131 status_rid.bssid[i], ETH_ALEN);
7132 address[i].sa_family = ARPHRD_ETHER;
7135 dwrq->flags = 1; /* Should be define'd */
7136 memcpy(extra + sizeof(struct sockaddr)*i,
7137 &qual, sizeof(struct iw_quality)*i);
7144 /*------------------------------------------------------------------*/
7146 * Wireless Handler : Initiate Scan
7148 static int airo_set_scan(struct net_device *dev,
7149 struct iw_request_info *info,
7150 struct iw_param *vwrq,
7153 struct airo_info *ai = dev->priv;
7158 /* Note : you may have realised that, as this is a SET operation,
7159 * this is privileged and therefore a normal user can't
7161 * This is not an error, while the device perform scanning,
7162 * traffic doesn't flow, so it's a perfect DoS...
7164 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7166 if (down_interruptible(&ai->sem))
7167 return -ERESTARTSYS;
7169 /* If there's already a scan in progress, don't
7170 * trigger another one. */
7171 if (ai->scan_timeout > 0)
7174 /* Initiate a scan command */
7175 ai->scan_timeout = RUN_AT(3*HZ);
7176 memset(&cmd, 0, sizeof(cmd));
7177 cmd.cmd=CMD_LISTBSS;
7178 issuecommand(ai, &cmd, &rsp);
7184 wake_up_interruptible(&ai->thr_wait);
7188 /*------------------------------------------------------------------*/
7190 * Translate scan data returned from the card to a card independent
7191 * format that the Wireless Tools will understand - Jean II
7193 static inline char *airo_translate_scan(struct net_device *dev,
7198 struct airo_info *ai = dev->priv;
7199 struct iw_event iwe; /* Temporary buffer */
7200 __le16 capabilities;
7201 char * current_val; /* For rates */
7206 /* First entry *MUST* be the AP MAC address */
7207 iwe.cmd = SIOCGIWAP;
7208 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7209 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7210 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7212 /* Other entries will be displayed in the order we give them */
7215 iwe.u.data.length = bss->ssidLen;
7216 if(iwe.u.data.length > 32)
7217 iwe.u.data.length = 32;
7218 iwe.cmd = SIOCGIWESSID;
7219 iwe.u.data.flags = 1;
7220 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7223 iwe.cmd = SIOCGIWMODE;
7224 capabilities = bss->cap;
7225 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7226 if(capabilities & CAP_ESS)
7227 iwe.u.mode = IW_MODE_MASTER;
7229 iwe.u.mode = IW_MODE_ADHOC;
7230 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7234 iwe.cmd = SIOCGIWFREQ;
7235 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7236 /* iwe.u.freq.m containt the channel (starting 1), our
7237 * frequency_list array start at index 0...
7239 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7241 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7243 dBm = le16_to_cpu(bss->dBm);
7245 /* Add quality statistics */
7248 iwe.u.qual.level = 0x100 - dBm;
7249 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm);
7250 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7251 | IW_QUAL_LEVEL_UPDATED
7254 iwe.u.qual.level = (dBm + 321) / 2;
7255 iwe.u.qual.qual = 0;
7256 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7257 | IW_QUAL_LEVEL_UPDATED
7260 iwe.u.qual.noise = ai->wstats.qual.noise;
7261 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7263 /* Add encryption capability */
7264 iwe.cmd = SIOCGIWENCODE;
7265 if(capabilities & CAP_PRIVACY)
7266 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7268 iwe.u.data.flags = IW_ENCODE_DISABLED;
7269 iwe.u.data.length = 0;
7270 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7272 /* Rate : stuffing multiple values in a single event require a bit
7273 * more of magic - Jean II */
7274 current_val = current_ev + IW_EV_LCP_LEN;
7276 iwe.cmd = SIOCGIWRATE;
7277 /* Those two flags are ignored... */
7278 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7280 for(i = 0 ; i < 8 ; i++) {
7281 /* NULL terminated */
7282 if(bss->rates[i] == 0)
7284 /* Bit rate given in 500 kb/s units (+ 0x80) */
7285 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7286 /* Add new value to event */
7287 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7289 /* Check if we added any event */
7290 if((current_val - current_ev) > IW_EV_LCP_LEN)
7291 current_ev = current_val;
7293 /* Beacon interval */
7294 buf = kmalloc(30, GFP_KERNEL);
7296 iwe.cmd = IWEVCUSTOM;
7297 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7298 iwe.u.data.length = strlen(buf);
7299 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7303 /* Put WPA/RSN Information Elements into the event stream */
7304 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7305 unsigned int num_null_ies = 0;
7306 u16 length = sizeof (bss->extra.iep);
7307 struct ieee80211_info_element *info_element =
7308 (struct ieee80211_info_element *) &bss->extra.iep;
7310 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7311 if (sizeof(*info_element) + info_element->len > length) {
7312 /* Invalid element, don't continue parsing IE */
7316 switch (info_element->id) {
7317 case MFIE_TYPE_SSID:
7318 /* Two zero-length SSID elements
7319 * mean we're done parsing elements */
7320 if (!info_element->len)
7324 case MFIE_TYPE_GENERIC:
7325 if (info_element->len >= 4 &&
7326 info_element->data[0] == 0x00 &&
7327 info_element->data[1] == 0x50 &&
7328 info_element->data[2] == 0xf2 &&
7329 info_element->data[3] == 0x01) {
7330 iwe.cmd = IWEVGENIE;
7331 iwe.u.data.length = min(info_element->len + 2,
7333 current_ev = iwe_stream_add_point(current_ev, end_buf,
7334 &iwe, (char *) info_element);
7339 iwe.cmd = IWEVGENIE;
7340 iwe.u.data.length = min(info_element->len + 2,
7342 current_ev = iwe_stream_add_point(current_ev, end_buf,
7343 &iwe, (char *) info_element);
7350 length -= sizeof(*info_element) + info_element->len;
7352 (struct ieee80211_info_element *)&info_element->
7353 data[info_element->len];
7359 /*------------------------------------------------------------------*/
7361 * Wireless Handler : Read Scan Results
7363 static int airo_get_scan(struct net_device *dev,
7364 struct iw_request_info *info,
7365 struct iw_point *dwrq,
7368 struct airo_info *ai = dev->priv;
7369 BSSListElement *net;
7371 char *current_ev = extra;
7373 /* If a scan is in-progress, return -EAGAIN */
7374 if (ai->scan_timeout > 0)
7377 if (down_interruptible(&ai->sem))
7380 list_for_each_entry (net, &ai->network_list, list) {
7381 /* Translate to WE format this entry */
7382 current_ev = airo_translate_scan(dev, current_ev,
7383 extra + dwrq->length,
7386 /* Check if there is space for one more entry */
7387 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7388 /* Ask user space to try again with a bigger buffer */
7394 /* Length of data */
7395 dwrq->length = (current_ev - extra);
7396 dwrq->flags = 0; /* todo */
7403 /*------------------------------------------------------------------*/
7405 * Commit handler : called after a bunch of SET operations
7407 static int airo_config_commit(struct net_device *dev,
7408 struct iw_request_info *info, /* NULL */
7409 void *zwrq, /* NULL */
7410 char *extra) /* NULL */
7412 struct airo_info *local = dev->priv;
7414 if (!test_bit (FLAG_COMMIT, &local->flags))
7417 /* Some of the "SET" function may have modified some of the
7418 * parameters. It's now time to commit them in the card */
7419 disable_MAC(local, 1);
7420 if (test_bit (FLAG_RESET, &local->flags)) {
7421 APListRid APList_rid;
7424 readAPListRid(local, &APList_rid);
7425 readSsidRid(local, &SSID_rid);
7426 if (test_bit(FLAG_MPI,&local->flags))
7427 setup_card(local, dev->dev_addr, 1 );
7429 reset_airo_card(dev);
7430 disable_MAC(local, 1);
7431 writeSsidRid(local, &SSID_rid, 1);
7432 writeAPListRid(local, &APList_rid, 1);
7434 if (down_interruptible(&local->sem))
7435 return -ERESTARTSYS;
7436 writeConfigRid(local, 0);
7437 enable_MAC(local, 0);
7438 if (test_bit (FLAG_RESET, &local->flags))
7439 airo_set_promisc(local);
7446 /*------------------------------------------------------------------*/
7448 * Structures to export the Wireless Handlers
7451 static const struct iw_priv_args airo_private_args[] = {
7452 /*{ cmd, set_args, get_args, name } */
7453 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7454 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7455 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7456 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7459 static const iw_handler airo_handler[] =
7461 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7462 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7463 (iw_handler) NULL, /* SIOCSIWNWID */
7464 (iw_handler) NULL, /* SIOCGIWNWID */
7465 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7466 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7467 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7468 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7469 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7470 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7471 (iw_handler) NULL, /* SIOCSIWRANGE */
7472 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7473 (iw_handler) NULL, /* SIOCSIWPRIV */
7474 (iw_handler) NULL, /* SIOCGIWPRIV */
7475 (iw_handler) NULL, /* SIOCSIWSTATS */
7476 (iw_handler) NULL, /* SIOCGIWSTATS */
7477 iw_handler_set_spy, /* SIOCSIWSPY */
7478 iw_handler_get_spy, /* SIOCGIWSPY */
7479 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7480 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7481 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7482 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7483 (iw_handler) NULL, /* -- hole -- */
7484 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7485 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7486 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7487 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7488 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7489 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7490 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7491 (iw_handler) NULL, /* -- hole -- */
7492 (iw_handler) NULL, /* -- hole -- */
7493 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7494 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7495 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7496 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7497 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7498 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7499 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7500 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7501 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7502 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7503 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7504 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7505 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7506 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7507 (iw_handler) NULL, /* -- hole -- */
7508 (iw_handler) NULL, /* -- hole -- */
7509 (iw_handler) NULL, /* SIOCSIWGENIE */
7510 (iw_handler) NULL, /* SIOCGIWGENIE */
7511 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7512 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7513 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7514 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7515 (iw_handler) NULL, /* SIOCSIWPMKSA */
7518 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7519 * We want to force the use of the ioctl code, because those can't be
7520 * won't work the iw_handler code (because they simultaneously read
7521 * and write data and iw_handler can't do that).
7522 * Note that it's perfectly legal to read/write on a single ioctl command,
7523 * you just can't use iwpriv and need to force it via the ioctl handler.
7525 static const iw_handler airo_private_handler[] =
7527 NULL, /* SIOCIWFIRSTPRIV */
7530 static const struct iw_handler_def airo_handler_def =
7532 .num_standard = ARRAY_SIZE(airo_handler),
7533 .num_private = ARRAY_SIZE(airo_private_handler),
7534 .num_private_args = ARRAY_SIZE(airo_private_args),
7535 .standard = airo_handler,
7536 .private = airo_private_handler,
7537 .private_args = airo_private_args,
7538 .get_wireless_stats = airo_get_wireless_stats,
7542 * This defines the configuration part of the Wireless Extensions
7543 * Note : irq and spinlock protection will occur in the subroutines
7546 * o Check input value more carefully and fill correct values in range
7547 * o Test and shakeout the bugs (if any)
7551 * Javier Achirica did a great job of merging code from the unnamed CISCO
7552 * developer that added support for flashing the card.
7554 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7557 struct airo_info *ai = (struct airo_info *)dev->priv;
7559 if (ai->power.event)
7569 int val = AIROMAGIC;
7571 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7573 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7582 /* Get the command struct and hand it off for evaluation by
7583 * the proper subfunction
7587 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7592 /* Separate R/W functions bracket legality here
7594 if ( com.command == AIRORSWVERSION ) {
7595 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7600 else if ( com.command <= AIRORRID)
7601 rc = readrids(dev,&com);
7602 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7603 rc = writerids(dev,&com);
7604 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7605 rc = flashcard(dev,&com);
7607 rc = -EINVAL; /* Bad command in ioctl */
7610 #endif /* CISCO_EXT */
7612 // All other calls are currently unsupported
7620 * Get the Wireless stats out of the driver
7621 * Note : irq and spinlock protection will occur in the subroutines
7624 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7628 static void airo_read_wireless_stats(struct airo_info *local)
7630 StatusRid status_rid;
7632 CapabilityRid cap_rid;
7633 u32 *vals = stats_rid.vals;
7635 /* Get stats out of the card */
7636 clear_bit(JOB_WSTATS, &local->jobs);
7637 if (local->power.event) {
7641 readCapabilityRid(local, &cap_rid, 0);
7642 readStatusRid(local, &status_rid, 0);
7643 readStatsRid(local, &stats_rid, RID_STATS, 0);
7647 local->wstats.status = status_rid.mode;
7649 /* Signal quality and co */
7651 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7652 /* normalizedSignalStrength appears to be a percentage */
7653 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7655 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7656 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7658 if (status_rid.len >= 124) {
7659 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7660 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7662 local->wstats.qual.noise = 0;
7663 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7666 /* Packets discarded in the wireless adapter due to wireless
7667 * specific problems */
7668 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7669 local->wstats.discard.code = vals[6];/* RxWepErr */
7670 local->wstats.discard.fragment = vals[30];
7671 local->wstats.discard.retries = vals[10];
7672 local->wstats.discard.misc = vals[1] + vals[32];
7673 local->wstats.miss.beacon = vals[34];
7676 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7678 struct airo_info *local = dev->priv;
7680 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7681 /* Get stats out of the card if available */
7682 if (down_trylock(&local->sem) != 0) {
7683 set_bit(JOB_WSTATS, &local->jobs);
7684 wake_up_interruptible(&local->thr_wait);
7686 airo_read_wireless_stats(local);
7689 return &local->wstats;
7694 * This just translates from driver IOCTL codes to the command codes to
7695 * feed to the radio's host interface. Things can be added/deleted
7696 * as needed. This represents the READ side of control I/O to
7699 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7700 unsigned short ridcode;
7701 unsigned char *iobuf;
7703 struct airo_info *ai = dev->priv;
7705 if (test_bit(FLAG_FLASHING, &ai->flags))
7708 switch(comp->command)
7710 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7711 case AIROGCFG: ridcode = RID_CONFIG;
7712 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7713 disable_MAC (ai, 1);
7714 writeConfigRid (ai, 1);
7718 case AIROGSLIST: ridcode = RID_SSID; break;
7719 case AIROGVLIST: ridcode = RID_APLIST; break;
7720 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7721 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7722 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7723 /* Only super-user can read WEP keys */
7724 if (!capable(CAP_NET_ADMIN))
7727 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7728 /* Only super-user can read WEP keys */
7729 if (!capable(CAP_NET_ADMIN))
7732 case AIROGSTAT: ridcode = RID_STATUS; break;
7733 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7734 case AIROGSTATSC32: ridcode = RID_STATS; break;
7736 if (copy_to_user(comp->data, &ai->micstats,
7737 min((int)comp->len,(int)sizeof(ai->micstats))))
7740 case AIRORRID: ridcode = comp->ridnum; break;
7746 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7749 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7750 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7751 * then return it to the user
7752 * 9/22/2000 Honor user given length
7756 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7765 * Danger Will Robinson write the rids here
7768 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7769 struct airo_info *ai = dev->priv;
7772 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7773 unsigned char *iobuf;
7775 /* Only super-user can write RIDs */
7776 if (!capable(CAP_NET_ADMIN))
7779 if (test_bit(FLAG_FLASHING, &ai->flags))
7783 writer = do_writerid;
7785 switch(comp->command)
7787 case AIROPSIDS: ridcode = RID_SSID; break;
7788 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7789 case AIROPAPLIST: ridcode = RID_APLIST; break;
7790 case AIROPCFG: ai->config.len = 0;
7791 clear_bit(FLAG_COMMIT, &ai->flags);
7792 ridcode = RID_CONFIG; break;
7793 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7794 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7795 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7796 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7798 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7799 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7801 /* this is not really a rid but a command given to the card
7805 if (enable_MAC(ai, 1) != 0)
7810 * Evidently this code in the airo driver does not get a symbol
7811 * as disable_MAC. it's probably so short the compiler does not gen one.
7817 /* This command merely clears the counts does not actually store any data
7818 * only reads rid. But as it changes the cards state, I put it in the
7819 * writerid routines.
7822 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7825 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7827 enabled = ai->micstats.enabled;
7828 memset(&ai->micstats,0,sizeof(ai->micstats));
7829 ai->micstats.enabled = enabled;
7831 if (copy_to_user(comp->data, iobuf,
7832 min((int)comp->len, (int)RIDSIZE))) {
7840 return -EOPNOTSUPP; /* Blarg! */
7842 if(comp->len > RIDSIZE)
7845 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7848 if (copy_from_user(iobuf,comp->data,comp->len)) {
7853 if (comp->command == AIROPCFG) {
7854 ConfigRid *cfg = (ConfigRid *)iobuf;
7856 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7857 cfg->opmode |= cpu_to_le16(MODE_MIC);
7859 if ((le16_to_cpu(cfg->opmode) & 0xFF) == MODE_STA_IBSS)
7860 set_bit (FLAG_ADHOC, &ai->flags);
7862 clear_bit (FLAG_ADHOC, &ai->flags);
7865 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7873 /*****************************************************************************
7874 * Ancillary flash / mod functions much black magic lurkes here *
7875 *****************************************************************************
7879 * Flash command switch table
7882 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7885 /* Only super-user can modify flash */
7886 if (!capable(CAP_NET_ADMIN))
7889 switch(comp->command)
7892 return cmdreset((struct airo_info *)dev->priv);
7895 if (!((struct airo_info *)dev->priv)->flash &&
7896 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7898 return setflashmode((struct airo_info *)dev->priv);
7900 case AIROFLSHGCHR: /* Get char from aux */
7901 if(comp->len != sizeof(int))
7903 if (copy_from_user(&z,comp->data,comp->len))
7905 return flashgchar((struct airo_info *)dev->priv,z,8000);
7907 case AIROFLSHPCHR: /* Send char to card. */
7908 if(comp->len != sizeof(int))
7910 if (copy_from_user(&z,comp->data,comp->len))
7912 return flashpchar((struct airo_info *)dev->priv,z,8000);
7914 case AIROFLPUTBUF: /* Send 32k to card */
7915 if (!((struct airo_info *)dev->priv)->flash)
7917 if(comp->len > FLASHSIZE)
7919 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7922 flashputbuf((struct airo_info *)dev->priv);
7926 if(flashrestart((struct airo_info *)dev->priv,dev))
7933 #define FLASH_COMMAND 0x7e7e
7937 * Disable MAC and do soft reset on
7941 static int cmdreset(struct airo_info *ai) {
7945 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7949 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7951 ssleep(1); /* WAS 600 12/7/00 */
7954 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7961 * Put the card in legendary flash
7965 static int setflashmode (struct airo_info *ai) {
7966 set_bit (FLAG_FLASHING, &ai->flags);
7968 OUT4500(ai, SWS0, FLASH_COMMAND);
7969 OUT4500(ai, SWS1, FLASH_COMMAND);
7971 OUT4500(ai, SWS0, FLASH_COMMAND);
7972 OUT4500(ai, COMMAND,0x10);
7974 OUT4500(ai, SWS2, FLASH_COMMAND);
7975 OUT4500(ai, SWS3, FLASH_COMMAND);
7976 OUT4500(ai, COMMAND,0);
7978 msleep(500); /* 500ms delay */
7981 clear_bit (FLAG_FLASHING, &ai->flags);
7982 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7988 /* Put character to SWS0 wait for dwelltime
7992 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8003 /* Wait for busy bit d15 to go false indicating buffer empty */
8004 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8009 /* timeout for busy clear wait */
8011 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8015 /* Port is clear now write byte and wait for it to echo back */
8017 OUT4500(ai,SWS0,byte);
8020 echo = IN4500(ai,SWS1);
8021 } while (dwelltime >= 0 && echo != byte);
8025 return (echo == byte) ? 0 : -EIO;
8029 * Get a character from the card matching matchbyte
8032 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8034 unsigned char rbyte=0;
8037 rchar = IN4500(ai,SWS1);
8039 if(dwelltime && !(0x8000 & rchar)){
8044 rbyte = 0xff & rchar;
8046 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8050 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8054 }while(dwelltime > 0);
8059 * Transfer 32k of firmware data from user buffer to our buffer and
8063 static int flashputbuf(struct airo_info *ai){
8067 if (test_bit(FLAG_MPI,&ai->flags))
8068 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8070 OUT4500(ai,AUXPAGE,0x100);
8071 OUT4500(ai,AUXOFF,0);
8073 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8074 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8077 OUT4500(ai,SWS0,0x8000);
8085 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8088 ssleep(1); /* Added 12/7/00 */
8089 clear_bit (FLAG_FLASHING, &ai->flags);
8090 if (test_bit(FLAG_MPI, &ai->flags)) {
8091 status = mpi_init_descriptors(ai);
8092 if (status != SUCCESS)
8095 status = setup_card(ai, dev->dev_addr, 1);
8097 if (!test_bit(FLAG_MPI,&ai->flags))
8098 for( i = 0; i < MAX_FIDS; i++ ) {
8099 ai->fids[i] = transmit_allocate
8100 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8103 ssleep(1); /* Added 12/7/00 */
8106 #endif /* CISCO_EXT */
8109 This program is free software; you can redistribute it and/or
8110 modify it under the terms of the GNU General Public License
8111 as published by the Free Software Foundation; either version 2
8112 of the License, or (at your option) any later version.
8114 This program is distributed in the hope that it will be useful,
8115 but WITHOUT ANY WARRANTY; without even the implied warranty of
8116 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8117 GNU General Public License for more details.
8121 Redistribution and use in source and binary forms, with or without
8122 modification, are permitted provided that the following conditions
8125 1. Redistributions of source code must retain the above copyright
8126 notice, this list of conditions and the following disclaimer.
8127 2. Redistributions in binary form must reproduce the above copyright
8128 notice, this list of conditions and the following disclaimer in the
8129 documentation and/or other materials provided with the distribution.
8130 3. The name of the author may not be used to endorse or promote
8131 products derived from this software without specific prior written
8134 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8135 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8136 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8137 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8138 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8139 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8140 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8141 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8142 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8143 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8144 POSSIBILITY OF SUCH DAMAGE.
8147 module_init(airo_init_module);
8148 module_exit(airo_cleanup_module);