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>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
38 #include <linux/scatterlist.h>
39 #include <linux/crypto.h>
41 #include <asm/system.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>
55 static struct pci_device_id card_ids[] = {
56 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
57 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
58 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
59 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
65 MODULE_DEVICE_TABLE(pci, card_ids);
67 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
68 static void airo_pci_remove(struct pci_dev *);
69 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
70 static int airo_pci_resume(struct pci_dev *pdev);
72 static struct pci_driver airo_driver = {
75 .probe = airo_pci_probe,
76 .remove = __devexit_p(airo_pci_remove),
77 .suspend = airo_pci_suspend,
78 .resume = airo_pci_resume,
80 #endif /* CONFIG_PCI */
82 /* Include Wireless Extension definition and check version - Jean II */
83 #include <linux/wireless.h>
84 #define WIRELESS_SPY // enable iwspy support
85 #include <net/iw_handler.h> // New driver API
87 #define CISCO_EXT // enable Cisco extensions
89 #include <linux/delay.h>
92 /* Hack to do some power saving */
95 /* As you can see this list is HUGH!
96 I really don't know what a lot of these counts are about, but they
97 are all here for completeness. If the IGNLABEL macro is put in
98 infront of the label, that statistic will not be included in the list
99 of statistics in the /proc filesystem */
101 #define IGNLABEL(comment) NULL
102 static char *statsLabels[] = {
104 IGNLABEL("RxPlcpCrcErr"),
105 IGNLABEL("RxPlcpFormatErr"),
106 IGNLABEL("RxPlcpLengthErr"),
137 "LostSync-MissedBeacons",
138 "LostSync-ArlExceeded",
140 "LostSync-Disassoced",
141 "LostSync-TsfTiming",
150 IGNLABEL("HmacTxMc"),
151 IGNLABEL("HmacTxBc"),
152 IGNLABEL("HmacTxUc"),
153 IGNLABEL("HmacTxFail"),
154 IGNLABEL("HmacRxMc"),
155 IGNLABEL("HmacRxBc"),
156 IGNLABEL("HmacRxUc"),
157 IGNLABEL("HmacRxDiscard"),
158 IGNLABEL("HmacRxAccepted"),
166 IGNLABEL("ReasonOutsideTable"),
167 IGNLABEL("ReasonStatus1"),
168 IGNLABEL("ReasonStatus2"),
169 IGNLABEL("ReasonStatus3"),
170 IGNLABEL("ReasonStatus4"),
171 IGNLABEL("ReasonStatus5"),
172 IGNLABEL("ReasonStatus6"),
173 IGNLABEL("ReasonStatus7"),
174 IGNLABEL("ReasonStatus8"),
175 IGNLABEL("ReasonStatus9"),
176 IGNLABEL("ReasonStatus10"),
177 IGNLABEL("ReasonStatus11"),
178 IGNLABEL("ReasonStatus12"),
179 IGNLABEL("ReasonStatus13"),
180 IGNLABEL("ReasonStatus14"),
181 IGNLABEL("ReasonStatus15"),
182 IGNLABEL("ReasonStatus16"),
183 IGNLABEL("ReasonStatus17"),
184 IGNLABEL("ReasonStatus18"),
185 IGNLABEL("ReasonStatus19"),
205 #define RUN_AT(x) (jiffies+(x))
209 /* These variables are for insmod, since it seems that the rates
210 can only be set in setup_card. Rates should be a comma separated
211 (no spaces) list of rates (up to 8). */
214 static int basic_rate;
215 static char *ssids[3];
221 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
222 0 means no limit. For old cards this was 4 */
224 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
225 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
226 the bap, needed on some older cards and buses. */
229 static int probe = 1;
231 static int proc_uid /* = 0 */;
233 static int proc_gid /* = 0 */;
235 static int airo_perm = 0555;
237 static int proc_perm = 0644;
239 MODULE_AUTHOR("Benjamin Reed");
240 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
241 cards. Direct support for ISA/PCI/MPI cards and support \
242 for PCMCIA when used with airo_cs.");
243 MODULE_LICENSE("Dual BSD/GPL");
244 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
245 module_param_array(io, int, NULL, 0);
246 module_param_array(irq, int, NULL, 0);
247 module_param(basic_rate, int, 0);
248 module_param_array(rates, int, NULL, 0);
249 module_param_array(ssids, charp, NULL, 0);
250 module_param(auto_wep, int, 0);
251 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
252 the authentication options until an association is made. The value of \
253 auto_wep is number of the wep keys to check. A value of 2 will try using \
254 the key at index 0 and index 1.");
255 module_param(aux_bap, int, 0);
256 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
257 than seems to work better for older cards with some older buses. Before \
258 switching it checks that the switch is needed.");
259 module_param(maxencrypt, int, 0);
260 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
261 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
262 Older cards used to be limited to 2mbs (4).");
263 module_param(adhoc, int, 0);
264 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
265 module_param(probe, int, 0);
266 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
268 module_param(proc_uid, int, 0);
269 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
270 module_param(proc_gid, int, 0);
271 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
272 module_param(airo_perm, int, 0);
273 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
274 module_param(proc_perm, int, 0);
275 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
277 /* This is a kind of sloppy hack to get this information to OUT4500 and
278 IN4500. I would be extremely interested in the situation where this
279 doesn't work though!!! */
280 static int do8bitIO = 0;
289 #define MAC_ENABLE 0x0001
290 #define MAC_DISABLE 0x0002
291 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
292 #define CMD_SOFTRESET 0x0004
293 #define HOSTSLEEP 0x0005
294 #define CMD_MAGIC_PKT 0x0006
295 #define CMD_SETWAKEMASK 0x0007
296 #define CMD_READCFG 0x0008
297 #define CMD_SETMODE 0x0009
298 #define CMD_ALLOCATETX 0x000a
299 #define CMD_TRANSMIT 0x000b
300 #define CMD_DEALLOCATETX 0x000c
302 #define CMD_WORKAROUND 0x0011
303 #define CMD_ALLOCATEAUX 0x0020
304 #define CMD_ACCESS 0x0021
305 #define CMD_PCIBAP 0x0022
306 #define CMD_PCIAUX 0x0023
307 #define CMD_ALLOCBUF 0x0028
308 #define CMD_GETTLV 0x0029
309 #define CMD_PUTTLV 0x002a
310 #define CMD_DELTLV 0x002b
311 #define CMD_FINDNEXTTLV 0x002c
312 #define CMD_PSPNODES 0x0030
313 #define CMD_SETCW 0x0031
314 #define CMD_SETPCF 0x0032
315 #define CMD_SETPHYREG 0x003e
316 #define CMD_TXTEST 0x003f
317 #define MAC_ENABLETX 0x0101
318 #define CMD_LISTBSS 0x0103
319 #define CMD_SAVECFG 0x0108
320 #define CMD_ENABLEAUX 0x0111
321 #define CMD_WRITERID 0x0121
322 #define CMD_USEPSPNODES 0x0130
323 #define MAC_ENABLERX 0x0201
326 #define ERROR_QUALIF 0x00
327 #define ERROR_ILLCMD 0x01
328 #define ERROR_ILLFMT 0x02
329 #define ERROR_INVFID 0x03
330 #define ERROR_INVRID 0x04
331 #define ERROR_LARGE 0x05
332 #define ERROR_NDISABL 0x06
333 #define ERROR_ALLOCBSY 0x07
334 #define ERROR_NORD 0x0B
335 #define ERROR_NOWR 0x0C
336 #define ERROR_INVFIDTX 0x0D
337 #define ERROR_TESTACT 0x0E
338 #define ERROR_TAGNFND 0x12
339 #define ERROR_DECODE 0x20
340 #define ERROR_DESCUNAV 0x21
341 #define ERROR_BADLEN 0x22
342 #define ERROR_MODE 0x80
343 #define ERROR_HOP 0x81
344 #define ERROR_BINTER 0x82
345 #define ERROR_RXMODE 0x83
346 #define ERROR_MACADDR 0x84
347 #define ERROR_RATES 0x85
348 #define ERROR_ORDER 0x86
349 #define ERROR_SCAN 0x87
350 #define ERROR_AUTH 0x88
351 #define ERROR_PSMODE 0x89
352 #define ERROR_RTYPE 0x8A
353 #define ERROR_DIVER 0x8B
354 #define ERROR_SSID 0x8C
355 #define ERROR_APLIST 0x8D
356 #define ERROR_AUTOWAKE 0x8E
357 #define ERROR_LEAP 0x8F
368 #define LINKSTAT 0x10
372 #define TXALLOCFID 0x22
373 #define TXCOMPLFID 0x24
388 /* Offset into aux memory for descriptors */
389 #define AUX_OFFSET 0x800
390 /* Size of allocated packets */
393 /* Size of the transmit queue */
397 #define BAP0 0 // Used for receiving packets
398 #define BAP1 2 // Used for xmiting packets and working with RIDS
401 #define COMMAND_BUSY 0x8000
403 #define BAP_BUSY 0x8000
404 #define BAP_ERR 0x4000
405 #define BAP_DONE 0x2000
407 #define PROMISC 0xffff
408 #define NOPROMISC 0x0000
411 #define EV_CLEARCOMMANDBUSY 0x4000
414 #define EV_TXEXC 0x04
415 #define EV_ALLOC 0x08
417 #define EV_AWAKE 0x100
418 #define EV_TXCPY 0x400
419 #define EV_UNKNOWN 0x800
420 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
421 #define EV_AWAKEN 0x2000
422 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
424 #ifdef CHECK_UNKNOWN_INTS
425 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
427 #define IGNORE_INTS (~STATUS_INTS)
434 #define RID_CAPABILITIES 0xFF00
435 #define RID_APINFO 0xFF01
436 #define RID_RADIOINFO 0xFF02
437 #define RID_UNKNOWN3 0xFF03
438 #define RID_RSSI 0xFF04
439 #define RID_CONFIG 0xFF10
440 #define RID_SSID 0xFF11
441 #define RID_APLIST 0xFF12
442 #define RID_DRVNAME 0xFF13
443 #define RID_ETHERENCAP 0xFF14
444 #define RID_WEP_TEMP 0xFF15
445 #define RID_WEP_PERM 0xFF16
446 #define RID_MODULATION 0xFF17
447 #define RID_OPTIONS 0xFF18
448 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
449 #define RID_FACTORYCONFIG 0xFF21
450 #define RID_UNKNOWN22 0xFF22
451 #define RID_LEAPUSERNAME 0xFF23
452 #define RID_LEAPPASSWORD 0xFF24
453 #define RID_STATUS 0xFF50
454 #define RID_BEACON_HST 0xFF51
455 #define RID_BUSY_HST 0xFF52
456 #define RID_RETRIES_HST 0xFF53
457 #define RID_UNKNOWN54 0xFF54
458 #define RID_UNKNOWN55 0xFF55
459 #define RID_UNKNOWN56 0xFF56
460 #define RID_MIC 0xFF57
461 #define RID_STATS16 0xFF60
462 #define RID_STATS16DELTA 0xFF61
463 #define RID_STATS16DELTACLEAR 0xFF62
464 #define RID_STATS 0xFF68
465 #define RID_STATSDELTA 0xFF69
466 #define RID_STATSDELTACLEAR 0xFF6A
467 #define RID_ECHOTEST_RID 0xFF70
468 #define RID_ECHOTEST_RESULTS 0xFF71
469 #define RID_BSSLISTFIRST 0xFF72
470 #define RID_BSSLISTNEXT 0xFF73
471 #define RID_WPA_BSSLISTFIRST 0xFF74
472 #define RID_WPA_BSSLISTNEXT 0xFF75
489 * Rids and endian-ness: The Rids will always be in cpu endian, since
490 * this all the patches from the big-endian guys end up doing that.
491 * so all rid access should use the read/writeXXXRid routines.
494 /* This is redundant for x86 archs, but it seems necessary for ARM */
497 /* This structure came from an email sent to me from an engineer at
498 aironet for inclusion into this driver */
507 /* These structures are from the Aironet's PC4500 Developers Manual */
521 #define MOD_DEFAULT 0
527 u16 len; /* sizeof(ConfigRid) */
528 u16 opmode; /* operating mode */
529 #define MODE_STA_IBSS 0
530 #define MODE_STA_ESS 1
532 #define MODE_AP_RPTR 3
533 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
534 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
535 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
536 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
537 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
538 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
539 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
540 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
541 #define MODE_MIC (1<<15) /* enable MIC */
542 u16 rmode; /* receive mode */
543 #define RXMODE_BC_MC_ADDR 0
544 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
545 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
546 #define RXMODE_RFMON 3 /* wireless monitor mode */
547 #define RXMODE_RFMON_ANYBSS 4
548 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
549 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
550 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
553 u8 macAddr[ETH_ALEN];
557 u16 txLifetime; /* in kusec */
558 u16 rxLifetime; /* in kusec */
561 u16 u16deviceType; /* for overriding device type */
565 /*---------- Scanning/Associating ----------*/
567 #define SCANMODE_ACTIVE 0
568 #define SCANMODE_PASSIVE 1
569 #define SCANMODE_AIROSCAN 2
570 u16 probeDelay; /* in kusec */
571 u16 probeEnergyTimeout; /* in kusec */
572 u16 probeResponseTimeout;
573 u16 beaconListenTimeout;
577 #define AUTH_OPEN 0x1
578 #define AUTH_ENCRYPT 0x101
579 #define AUTH_SHAREDKEY 0x102
580 #define AUTH_ALLOW_UNENCRYPTED 0x200
581 u16 associationTimeout;
582 u16 specifiedApTimeout;
583 u16 offlineScanInterval;
584 u16 offlineScanDuration;
586 u16 maxBeaconLostTime;
588 #define DISABLE_REFRESH 0xFFFF
590 /*---------- Power save operation ----------*/
592 #define POWERSAVE_CAM 0
593 #define POWERSAVE_PSP 1
594 #define POWERSAVE_PSPCAM 2
597 u16 fastListenInterval;
601 /*---------- Ap/Ibss config items ----------*/
610 /*---------- Radio configuration ----------*/
612 #define RADIOTYPE_DEFAULT 0
613 #define RADIOTYPE_802_11 1
614 #define RADIOTYPE_LEGACY 2
618 #define TXPOWER_DEFAULT 0
620 #define RSSI_DEFAULT 0
622 #define PREAMBLE_AUTO 0
623 #define PREAMBLE_LONG 1
624 #define PREAMBLE_SHORT 2
628 /*---------- Aironet Extensions ----------*/
634 /*---------- Aironet Extensions ----------*/
636 #define MAGIC_ACTION_STSCHG 1
637 #define MAGIC_ACTION_RESUME 2
638 #define MAGIC_IGNORE_MCAST (1<<8)
639 #define MAGIC_IGNORE_BCAST (1<<9)
640 #define MAGIC_SWITCH_TO_PSP (0<<10)
641 #define MAGIC_STAY_IN_CAM (1<<10)
655 u8 bssid[4][ETH_ALEN];
669 u16 normalizedSignalStrength;
672 u8 noisePercent; /* Noise percent in last second */
673 u8 noisedBm; /* Noise dBm in last second */
674 u8 noiseAvePercent; /* Noise percent in last minute */
675 u8 noiseAvedBm; /* Noise dBm in last minute */
676 u8 noiseMaxPercent; /* Highest noise percent in last minute */
677 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
681 #define STAT_NOPACKETS 0
682 #define STAT_NOCARRIERSET 10
683 #define STAT_GOTCARRIERSET 11
684 #define STAT_WRONGSSID 20
685 #define STAT_BADCHANNEL 25
686 #define STAT_BADBITRATES 30
687 #define STAT_BADPRIVACY 35
688 #define STAT_APFOUND 40
689 #define STAT_APREJECTED 50
690 #define STAT_AUTHENTICATING 60
691 #define STAT_DEAUTHENTICATED 61
692 #define STAT_AUTHTIMEOUT 62
693 #define STAT_ASSOCIATING 70
694 #define STAT_DEASSOCIATED 71
695 #define STAT_ASSOCTIMEOUT 72
696 #define STAT_NOTAIROAP 73
697 #define STAT_ASSOCIATED 80
698 #define STAT_LEAPING 90
699 #define STAT_LEAPFAILED 91
700 #define STAT_LEAPTIMEDOUT 92
701 #define STAT_LEAPCOMPLETE 93
724 char factoryAddr[ETH_ALEN];
725 char aironetAddr[ETH_ALEN];
728 char callid[ETH_ALEN];
729 char supportedRates[8];
732 u16 txPowerLevels[8];
746 /* Only present on firmware >= 5.30.17 */
749 u8 fixed[12]; /* WLAN management frame */
755 u16 index; /* First is 0 and 0xffff means end of list */
756 #define RADIO_FH 1 /* Frequency hopping radio type */
757 #define RADIO_DS 2 /* Direct sequence radio type */
758 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
760 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
765 #define CAP_ESS (1<<0)
766 #define CAP_IBSS (1<<1)
767 #define CAP_PRIVACY (1<<4)
768 #define CAP_SHORTHDR (1<<5)
771 u8 rates[8]; /* Same as rates for config rid */
772 struct { /* For frequency hopping only */
782 /* Only present on firmware >= 5.30.17 */
783 BSSListRidExtra extra;
788 struct list_head list;
834 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
835 #define TXCTL_TXEX (1<<2) /* report if tx fails */
836 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
837 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
838 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
839 #define TXCTL_LLC (1<<4) /* payload is llc */
840 #define TXCTL_RELEASE (0<<5) /* release after completion */
841 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
843 #define BUSY_FID 0x10000
846 #define AIROMAGIC 0xa55a
847 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
848 #ifdef SIOCIWFIRSTPRIV
849 #ifdef SIOCDEVPRIVATE
850 #define AIROOLDIOCTL SIOCDEVPRIVATE
851 #define AIROOLDIDIFC AIROOLDIOCTL + 1
852 #endif /* SIOCDEVPRIVATE */
853 #else /* SIOCIWFIRSTPRIV */
854 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
855 #endif /* SIOCIWFIRSTPRIV */
856 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
857 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
858 * only and don't return the modified struct ifreq to the application which
859 * is usually a problem. - Jean II */
860 #define AIROIOCTL SIOCIWFIRSTPRIV
861 #define AIROIDIFC AIROIOCTL + 1
863 /* Ioctl constants to be used in airo_ioctl.command */
865 #define AIROGCAP 0 // Capability rid
866 #define AIROGCFG 1 // USED A LOT
867 #define AIROGSLIST 2 // System ID list
868 #define AIROGVLIST 3 // List of specified AP's
869 #define AIROGDRVNAM 4 // NOTUSED
870 #define AIROGEHTENC 5 // NOTUSED
871 #define AIROGWEPKTMP 6
872 #define AIROGWEPKNV 7
874 #define AIROGSTATSC32 9
875 #define AIROGSTATSD32 10
876 #define AIROGMICRID 11
877 #define AIROGMICSTATS 12
878 #define AIROGFLAGS 13
881 #define AIRORSWVERSION 17
883 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
885 #define AIROPCAP AIROGSTATSD32 + 40
886 #define AIROPVLIST AIROPCAP + 1
887 #define AIROPSLIST AIROPVLIST + 1
888 #define AIROPCFG AIROPSLIST + 1
889 #define AIROPSIDS AIROPCFG + 1
890 #define AIROPAPLIST AIROPSIDS + 1
891 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
892 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
893 #define AIROPSTCLR AIROPMACOFF + 1
894 #define AIROPWEPKEY AIROPSTCLR + 1
895 #define AIROPWEPKEYNV AIROPWEPKEY + 1
896 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
897 #define AIROPLEAPUSR AIROPLEAPPWD + 1
901 #define AIROFLSHRST AIROPWEPKEYNV + 40
902 #define AIROFLSHGCHR AIROFLSHRST + 1
903 #define AIROFLSHSTFL AIROFLSHGCHR + 1
904 #define AIROFLSHPCHR AIROFLSHSTFL + 1
905 #define AIROFLPUTBUF AIROFLSHPCHR + 1
906 #define AIRORESTART AIROFLPUTBUF + 1
908 #define FLASHSIZE 32768
909 #define AUXMEMSIZE (256 * 1024)
911 typedef struct aironet_ioctl {
912 unsigned short command; // What to do
913 unsigned short len; // Len of data
914 unsigned short ridnum; // rid number
915 unsigned char __user *data; // d-data
918 static char swversion[] = "2.1";
919 #endif /* CISCO_EXT */
921 #define NUM_MODULES 2
922 #define MIC_MSGLEN_MAX 2400
923 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
924 #define AIRO_DEF_MTU 2312
928 u8 enabled; // MIC enabled or not
929 u32 rxSuccess; // successful packets received
930 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
931 u32 rxNotMICed; // pkts dropped due to not being MIC'd
932 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
933 u32 rxWrongSequence; // pkts dropped due to sequence number violation
938 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
939 u64 accum; // accumulated mic, reduced to u32 in final()
940 int position; // current position (byte offset) in message
944 } part; // saves partial message word across update() calls
948 emmh32_context seed; // Context - the seed
949 u32 rx; // Received sequence number
950 u32 tx; // Tx sequence number
951 u32 window; // Start of window
952 u8 valid; // Flag to say if context is valid or not
957 miccntx mCtx; // Multicast context
958 miccntx uCtx; // Unicast context
962 unsigned int rid: 16;
963 unsigned int len: 15;
964 unsigned int valid: 1;
965 dma_addr_t host_addr;
969 unsigned int offset: 15;
971 unsigned int len: 15;
972 unsigned int valid: 1;
973 dma_addr_t host_addr;
977 unsigned int ctl: 15;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
985 * Host receive descriptor
988 unsigned char __iomem *card_ram_off; /* offset into card memory of the
990 RxFid rx_desc; /* card receive descriptor */
991 char *virtual_host_addr; /* virtual address of host receive
997 * Host transmit descriptor
1000 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1002 TxFid tx_desc; /* card transmit descriptor */
1003 char *virtual_host_addr; /* virtual address of host receive
1009 * Host RID descriptor
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 Rid rid_desc; /* card RID descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1024 #define HOST_SET (1 << 0)
1025 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1026 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1027 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1028 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1029 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1030 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1031 #define HOST_RTS (1 << 9) /* Force RTS use */
1032 #define HOST_SHORT (1 << 10) /* Do short preamble */
1059 static WifiCtlHdr wifictlhdr8023 = {
1061 .ctl = HOST_DONT_RLSE,
1065 // Frequency list (map channels to frequencies)
1066 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1067 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1069 // A few details needed for WEP (Wireless Equivalent Privacy)
1070 #define MAX_KEY_SIZE 13 // 128 (?) bits
1071 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1072 typedef struct wep_key_t {
1074 u8 key[16]; /* 40-bit and 104-bit keys */
1077 /* Backward compatibility */
1078 #ifndef IW_ENCODE_NOKEY
1079 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1080 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1081 #endif /* IW_ENCODE_NOKEY */
1083 /* List of Wireless Handlers (new API) */
1084 static const struct iw_handler_def airo_handler_def;
1086 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1090 static int get_dec_u16( char *buffer, int *start, int limit );
1091 static void OUT4500( struct airo_info *, u16 register, u16 value );
1092 static unsigned short IN4500( struct airo_info *, u16 register );
1093 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1094 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1095 static void disable_MAC(struct airo_info *ai, int lock);
1096 static void enable_interrupts(struct airo_info*);
1097 static void disable_interrupts(struct airo_info*);
1098 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1099 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1100 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1102 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1106 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1107 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1108 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1109 *pBuf, int len, int lock);
1110 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1111 int len, int dummy );
1112 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1113 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1114 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1116 static int mpi_send_packet (struct net_device *dev);
1117 static void mpi_unmap_card(struct pci_dev *pci);
1118 static void mpi_receive_802_3(struct airo_info *ai);
1119 static void mpi_receive_802_11(struct airo_info *ai);
1120 static int waitbusy (struct airo_info *ai);
1122 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1124 static int airo_thread(void *data);
1125 static void timer_func( struct net_device *dev );
1126 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1127 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1128 static void airo_read_wireless_stats (struct airo_info *local);
1130 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1131 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1132 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1133 #endif /* CISCO_EXT */
1134 static void micinit(struct airo_info *ai);
1135 static int micsetup(struct airo_info *ai);
1136 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1137 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1139 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1140 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1142 static void airo_networks_free(struct airo_info *ai);
1145 struct net_device_stats stats;
1146 struct net_device *dev;
1147 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1148 use the high bit to mark whether it is in use. */
1150 #define MPI_MAX_FIDS 1
1153 char keyindex; // Used with auto wep
1154 char defindex; // Used with auto wep
1155 struct proc_dir_entry *proc_entry;
1156 spinlock_t aux_lock;
1157 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1158 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1159 #define FLAG_RADIO_MASK 0x03
1160 #define FLAG_ENABLED 2
1161 #define FLAG_ADHOC 3 /* Needed by MIC */
1162 #define FLAG_MIC_CAPABLE 4
1163 #define FLAG_UPDATE_MULTI 5
1164 #define FLAG_UPDATE_UNI 6
1165 #define FLAG_802_11 7
1166 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1167 #define FLAG_PENDING_XMIT 9
1168 #define FLAG_PENDING_XMIT11 10
1170 #define FLAG_REGISTERED 12
1171 #define FLAG_COMMIT 13
1172 #define FLAG_RESET 14
1173 #define FLAG_FLASHING 15
1174 #define FLAG_WPA_CAPABLE 16
1175 unsigned long flags;
1178 #define JOB_XMIT11 2
1180 #define JOB_PROMISC 4
1183 #define JOB_AUTOWEP 7
1184 #define JOB_WSTATS 8
1185 #define JOB_SCAN_RESULTS 9
1187 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 unsigned short *flash;
1191 struct task_struct *task;
1192 struct semaphore sem;
1194 wait_queue_head_t thr_wait;
1195 struct completion thr_exited;
1196 unsigned long expires;
1198 struct sk_buff *skb;
1201 struct net_device *wifidev;
1202 struct iw_statistics wstats; // wireless stats
1203 unsigned long scan_timeout; /* Time scan should be read */
1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1207 struct crypto_cipher *tfm;
1209 mic_statistics micstats;
1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1236 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241 static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243 static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1246 static int cmdreset(struct airo_info *ai);
1247 static int setflashmode (struct airo_info *ai);
1248 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249 static int flashputbuf(struct airo_info *ai);
1250 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1268 /***********************************************************************
1270 ***********************************************************************
1273 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274 static void MoveWindow(miccntx *context, u32 micSeq);
1275 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
1277 static void emmh32_init(emmh32_context *context);
1278 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1282 /* micinit - Initialize mic seed */
1284 static void micinit(struct airo_info *ai)
1288 clear_bit(JOB_MIC, &ai->jobs);
1289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1338 /* micsetup - Get ready for business */
1340 static int micsetup(struct airo_info *ai) {
1343 if (ai->tfm == NULL)
1344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1346 if (IS_ERR(ai->tfm)) {
1347 airo_print_err(ai->dev->name, "failed to load transform for AES");
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1359 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1361 /*===========================================================================
1362 * Description: Mic a packet
1364 * Inputs: etherHead * pointer to an 802.3 frame
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1377 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1387 context = &ai->mod[0].uCtx;
1389 if (!context->valid)
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1397 mic->seq = htonl(context->tx);
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1420 /*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1424 * Inputs: etherHead pointer to the 802.3 packet
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1433 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1439 mic_error micError = NONE;
1441 // Check if the packet is a Mic'd packet
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1452 if (ntohs(mic->typelen) == 0x888E)
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1477 //Make sure context is valid
1478 if (!context->valid) {
1480 micError = NOMICPLUMMED;
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1494 emmh32_final(&context->seed, digest);
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1499 micError = INCORRECTMIC;
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1509 micError = SEQUENCE;
1512 // Update statistics
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1523 /*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1530 * Returns: TRUE if valid otherwise FALSE.
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1537 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1559 //Too old of a SEQ number to check.
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1578 MoveWindow(context,micSeq);
1585 static void MoveWindow(miccntx *context, u32 micSeq)
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1595 context->rx >>= shift;
1599 context->window = micSeq; //Move window
1603 /*==============================================*/
1604 /*========== EMMH ROUTINES ====================*/
1605 /*==============================================*/
1607 /* mic accumulate */
1608 #define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1611 static unsigned char aes_counter[16];
1613 /* expand the key to fill the MMH coefficient array */
1614 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1622 u8 *cipher, plain[16];
1624 crypto_cipher_setkey(tfm, pkey, 16);
1626 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1632 memcpy (plain, aes_counter, 16);
1633 crypto_cipher_encrypt_one(tfm, plain, plain);
1635 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1642 /* prepare for calculation of a new mic */
1643 static void emmh32_init(emmh32_context *context)
1645 /* prepare for new mic calculation */
1647 context->position = 0;
1650 /* add some bytes to the mic calculation */
1651 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1653 int coeff_position, byte_position;
1655 if (len == 0) return;
1657 coeff_position = context->position >> 2;
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1672 /* deal with full 32-bit words */
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1680 /* deal with partial 32-bit word that will be left over from this update */
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1689 /* mask used to zero empty bytes for final partial word */
1690 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1692 /* calculate the mic */
1693 static void emmh32_final(emmh32_context *context, u8 digest[4])
1695 int coeff_position, byte_position;
1701 coeff_position = context->position >> 2;
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1726 static int readBSSListRid(struct airo_info *ai, int first,
1733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
1738 issuecommand(ai, &cmd, &rsp);
1740 /* Let the command take effect */
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
1756 list->dBm = le16_to_cpu(list->dBm);
1760 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1769 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1773 WepKeyRid wkr = *pwkr;
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1789 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1799 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1802 SsidRid ssidr = *pssidr;
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1811 static int readConfigRid(struct airo_info*ai, int lock) {
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1840 static inline void checkThrottle(struct airo_info *ai) {
1842 /* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1851 static int writeConfigRid(struct airo_info*ai, int lock) {
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1884 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1897 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1902 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1908 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1920 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1929 static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1950 enable_MAC(info, &rsp, 1);
1952 netif_start_queue(dev);
1956 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1965 npacks = skb_queue_len (&ai->txq);
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1973 skb_queue_tail (&ai->txq, skb);
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1997 static int mpi_send_packet (struct net_device *dev)
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2005 /* get a packet to send */
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2062 dev->trans_start = jiffies;
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2071 OUT4500(ai, EVACK, 8);
2073 dev_kfree_skb_any(skb);
2077 static void get_tx_error(struct airo_info *ai, s32 fid)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2086 bap_read(ai, &status, 2, BAP0);
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2128 static void airo_end_xmit(struct net_device *dev) {
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2136 clear_bit(JOB_XMIT, &priv->jobs);
2137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2154 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2160 if ( skb == NULL ) {
2161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
2186 set_bit(JOB_XMIT, &priv->jobs);
2187 wake_up_interruptible(&priv->thr_wait);
2193 static void airo_end_xmit11(struct net_device *dev) {
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2201 clear_bit(JOB_XMIT11, &priv->jobs);
2202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2215 netif_wake_queue(dev);
2219 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2231 if ( skb == NULL ) {
2232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
2257 set_bit(JOB_XMIT11, &priv->jobs);
2258 wake_up_interruptible(&priv->thr_wait);
2260 airo_end_xmit11(dev);
2264 static void airo_read_stats(struct airo_info *ai) {
2266 u32 *vals = stats_rid.vals;
2268 clear_bit(JOB_STATS, &ai->jobs);
2269 if (ai->power.event) {
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2292 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2294 struct airo_info *local = dev->priv;
2296 if (!test_bit(JOB_STATS, &local->jobs)) {
2297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
2299 set_bit(JOB_STATS, &local->jobs);
2300 wake_up_interruptible(&local->thr_wait);
2302 airo_read_stats(local);
2305 return &local->stats;
2308 static void airo_set_promisc(struct airo_info *ai) {
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
2314 clear_bit(JOB_PROMISC, &ai->jobs);
2315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2320 static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
2326 set_bit(JOB_PROMISC, &ai->jobs);
2327 wake_up_interruptible(&ai->thr_wait);
2329 airo_set_promisc(ai);
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2337 static int airo_set_mac_address(struct net_device *dev, void *p)
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2355 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2364 static int airo_close(struct net_device *dev) {
2365 struct airo_info *ai = dev->priv;
2367 netif_stop_queue(dev);
2369 if (ai->wifidev != dev) {
2370 #ifdef POWER_ON_DOWN
2371 /* Shut power to the card. The idea is that the user can save
2372 * power when he doesn't need the card with "ifconfig down".
2373 * That's the method that is most friendly towards the network
2374 * stack (i.e. the network stack won't try to broadcast
2375 * anything on the interface and routes are gone. Jean II */
2376 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2379 disable_interrupts( ai );
2384 static void del_airo_dev( struct net_device *dev );
2386 void stop_airo_card( struct net_device *dev, int freeres )
2388 struct airo_info *ai = dev->priv;
2390 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2392 disable_interrupts(ai);
2393 free_irq( dev->irq, dev );
2394 takedown_proc_entry( dev, ai );
2395 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2396 unregister_netdev( dev );
2398 unregister_netdev(ai->wifidev);
2399 free_netdev(ai->wifidev);
2402 clear_bit(FLAG_REGISTERED, &ai->flags);
2404 set_bit(JOB_DIE, &ai->jobs);
2405 kill_proc(ai->thr_pid, SIGTERM, 1);
2406 wait_for_completion(&ai->thr_exited);
2409 * Clean out tx queue
2411 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2412 struct sk_buff *skb = NULL;
2413 for (;(skb = skb_dequeue(&ai->txq));)
2417 airo_networks_free (ai);
2424 /* PCMCIA frees this stuff, so only for PCI and ISA */
2425 release_region( dev->base_addr, 64 );
2426 if (test_bit(FLAG_MPI, &ai->flags)) {
2428 mpi_unmap_card(ai->pci);
2430 iounmap(ai->pcimem);
2432 iounmap(ai->pciaux);
2433 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2434 ai->shared, ai->shared_dma);
2437 crypto_free_cipher(ai->tfm);
2438 del_airo_dev( dev );
2442 EXPORT_SYMBOL(stop_airo_card);
2444 static int add_airo_dev( struct net_device *dev );
2446 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2448 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2452 static void mpi_unmap_card(struct pci_dev *pci)
2454 unsigned long mem_start = pci_resource_start(pci, 1);
2455 unsigned long mem_len = pci_resource_len(pci, 1);
2456 unsigned long aux_start = pci_resource_start(pci, 2);
2457 unsigned long aux_len = AUXMEMSIZE;
2459 release_mem_region(aux_start, aux_len);
2460 release_mem_region(mem_start, mem_len);
2463 /*************************************************************
2464 * This routine assumes that descriptors have been setup .
2465 * Run at insmod time or after reset when the decriptors
2466 * have been initialized . Returns 0 if all is well nz
2467 * otherwise . Does not allocate memory but sets up card
2468 * using previously allocated descriptors.
2470 static int mpi_init_descriptors (struct airo_info *ai)
2477 /* Alloc card RX descriptors */
2478 netif_stop_queue(ai->dev);
2480 memset(&rsp,0,sizeof(rsp));
2481 memset(&cmd,0,sizeof(cmd));
2483 cmd.cmd = CMD_ALLOCATEAUX;
2485 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2486 cmd.parm2 = MPI_MAX_FIDS;
2487 rc=issuecommand(ai, &cmd, &rsp);
2488 if (rc != SUCCESS) {
2489 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2493 for (i=0; i<MPI_MAX_FIDS; i++) {
2494 memcpy_toio(ai->rxfids[i].card_ram_off,
2495 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2498 /* Alloc card TX descriptors */
2500 memset(&rsp,0,sizeof(rsp));
2501 memset(&cmd,0,sizeof(cmd));
2503 cmd.cmd = CMD_ALLOCATEAUX;
2505 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2506 cmd.parm2 = MPI_MAX_FIDS;
2508 for (i=0; i<MPI_MAX_FIDS; i++) {
2509 ai->txfids[i].tx_desc.valid = 1;
2510 memcpy_toio(ai->txfids[i].card_ram_off,
2511 &ai->txfids[i].tx_desc, sizeof(TxFid));
2513 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2515 rc=issuecommand(ai, &cmd, &rsp);
2516 if (rc != SUCCESS) {
2517 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2521 /* Alloc card Rid descriptor */
2522 memset(&rsp,0,sizeof(rsp));
2523 memset(&cmd,0,sizeof(cmd));
2525 cmd.cmd = CMD_ALLOCATEAUX;
2527 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2528 cmd.parm2 = 1; /* Magic number... */
2529 rc=issuecommand(ai, &cmd, &rsp);
2530 if (rc != SUCCESS) {
2531 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2535 memcpy_toio(ai->config_desc.card_ram_off,
2536 &ai->config_desc.rid_desc, sizeof(Rid));
2542 * We are setting up three things here:
2543 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2544 * 2) Map PCI memory for issueing commands.
2545 * 3) Allocate memory (shared) to send and receive ethernet frames.
2547 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2550 unsigned long mem_start, mem_len, aux_start, aux_len;
2553 dma_addr_t busaddroff;
2554 unsigned char *vpackoff;
2555 unsigned char __iomem *pciaddroff;
2557 mem_start = pci_resource_start(pci, 1);
2558 mem_len = pci_resource_len(pci, 1);
2559 aux_start = pci_resource_start(pci, 2);
2560 aux_len = AUXMEMSIZE;
2562 if (!request_mem_region(mem_start, mem_len, name)) {
2563 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2564 (int)mem_start, (int)mem_len, name);
2567 if (!request_mem_region(aux_start, aux_len, name)) {
2568 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2569 (int)aux_start, (int)aux_len, name);
2573 ai->pcimem = ioremap(mem_start, mem_len);
2575 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2576 (int)mem_start, (int)mem_len, name);
2579 ai->pciaux = ioremap(aux_start, aux_len);
2581 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2582 (int)aux_start, (int)aux_len, name);
2586 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2587 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2589 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2595 * Setup descriptor RX, TX, CONFIG
2597 busaddroff = ai->shared_dma;
2598 pciaddroff = ai->pciaux + AUX_OFFSET;
2599 vpackoff = ai->shared;
2601 /* RX descriptor setup */
2602 for(i = 0; i < MPI_MAX_FIDS; i++) {
2603 ai->rxfids[i].pending = 0;
2604 ai->rxfids[i].card_ram_off = pciaddroff;
2605 ai->rxfids[i].virtual_host_addr = vpackoff;
2606 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2607 ai->rxfids[i].rx_desc.valid = 1;
2608 ai->rxfids[i].rx_desc.len = PKTSIZE;
2609 ai->rxfids[i].rx_desc.rdy = 0;
2611 pciaddroff += sizeof(RxFid);
2612 busaddroff += PKTSIZE;
2613 vpackoff += PKTSIZE;
2616 /* TX descriptor setup */
2617 for(i = 0; i < MPI_MAX_FIDS; i++) {
2618 ai->txfids[i].card_ram_off = pciaddroff;
2619 ai->txfids[i].virtual_host_addr = vpackoff;
2620 ai->txfids[i].tx_desc.valid = 1;
2621 ai->txfids[i].tx_desc.host_addr = busaddroff;
2622 memcpy(ai->txfids[i].virtual_host_addr,
2623 &wifictlhdr8023, sizeof(wifictlhdr8023));
2625 pciaddroff += sizeof(TxFid);
2626 busaddroff += PKTSIZE;
2627 vpackoff += PKTSIZE;
2629 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2631 /* Rid descriptor setup */
2632 ai->config_desc.card_ram_off = pciaddroff;
2633 ai->config_desc.virtual_host_addr = vpackoff;
2634 ai->config_desc.rid_desc.host_addr = busaddroff;
2635 ai->ridbus = busaddroff;
2636 ai->config_desc.rid_desc.rid = 0;
2637 ai->config_desc.rid_desc.len = RIDSIZE;
2638 ai->config_desc.rid_desc.valid = 1;
2639 pciaddroff += sizeof(Rid);
2640 busaddroff += RIDSIZE;
2641 vpackoff += RIDSIZE;
2643 /* Tell card about descriptors */
2644 if (mpi_init_descriptors (ai) != SUCCESS)
2649 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2651 iounmap(ai->pciaux);
2653 iounmap(ai->pcimem);
2655 release_mem_region(aux_start, aux_len);
2657 release_mem_region(mem_start, mem_len);
2662 static void wifi_setup(struct net_device *dev)
2664 dev->hard_header = NULL;
2665 dev->rebuild_header = NULL;
2666 dev->hard_header_cache = NULL;
2667 dev->header_cache_update= NULL;
2669 dev->hard_header_parse = wll_header_parse;
2670 dev->hard_start_xmit = &airo_start_xmit11;
2671 dev->get_stats = &airo_get_stats;
2672 dev->set_mac_address = &airo_set_mac_address;
2673 dev->do_ioctl = &airo_ioctl;
2674 dev->wireless_handlers = &airo_handler_def;
2675 dev->change_mtu = &airo_change_mtu;
2676 dev->open = &airo_open;
2677 dev->stop = &airo_close;
2679 dev->type = ARPHRD_IEEE80211;
2680 dev->hard_header_len = ETH_HLEN;
2681 dev->mtu = AIRO_DEF_MTU;
2682 dev->addr_len = ETH_ALEN;
2683 dev->tx_queue_len = 100;
2685 memset(dev->broadcast,0xFF, ETH_ALEN);
2687 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2690 static struct net_device *init_wifidev(struct airo_info *ai,
2691 struct net_device *ethdev)
2694 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2697 dev->priv = ethdev->priv;
2698 dev->irq = ethdev->irq;
2699 dev->base_addr = ethdev->base_addr;
2700 dev->wireless_data = ethdev->wireless_data;
2701 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2702 err = register_netdev(dev);
2710 static int reset_card( struct net_device *dev , int lock) {
2711 struct airo_info *ai = dev->priv;
2713 if (lock && down_interruptible(&ai->sem))
2716 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2725 #define AIRO_MAX_NETWORK_COUNT 64
2726 static int airo_networks_allocate(struct airo_info *ai)
2732 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2734 if (!ai->networks) {
2735 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2742 static void airo_networks_free(struct airo_info *ai)
2746 kfree(ai->networks);
2747 ai->networks = NULL;
2750 static void airo_networks_initialize(struct airo_info *ai)
2754 INIT_LIST_HEAD(&ai->network_free_list);
2755 INIT_LIST_HEAD(&ai->network_list);
2756 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2757 list_add_tail(&ai->networks[i].list,
2758 &ai->network_free_list);
2761 static int airo_test_wpa_capable(struct airo_info *ai)
2764 CapabilityRid cap_rid;
2765 const char *name = ai->dev->name;
2767 status = readCapabilityRid(ai, &cap_rid, 1);
2768 if (status != SUCCESS) return 0;
2770 /* Only firmware versions 5.30.17 or better can do WPA */
2771 if ((cap_rid.softVer > 0x530)
2772 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2773 airo_print_info(name, "WPA is supported.");
2777 /* No WPA support */
2778 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2779 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2783 static struct net_device *_init_airo_card( unsigned short irq, int port,
2784 int is_pcmcia, struct pci_dev *pci,
2785 struct device *dmdev )
2787 struct net_device *dev;
2788 struct airo_info *ai;
2791 /* Create the network device object. */
2792 dev = alloc_etherdev(sizeof(*ai));
2794 airo_print_err("", "Couldn't alloc_etherdev");
2797 if (dev_alloc_name(dev, dev->name) < 0) {
2798 airo_print_err("", "Couldn't get name!");
2807 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2808 airo_print_dbg(dev->name, "Found an MPI350 card");
2809 set_bit(FLAG_MPI, &ai->flags);
2811 spin_lock_init(&ai->aux_lock);
2812 sema_init(&ai->sem, 1);
2815 init_waitqueue_head (&ai->thr_wait);
2816 init_completion (&ai->thr_exited);
2817 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2818 if (ai->thr_pid < 0)
2821 rc = add_airo_dev( dev );
2825 if (airo_networks_allocate (ai))
2826 goto err_out_unlink;
2827 airo_networks_initialize (ai);
2829 /* The Airo-specific entries in the device structure. */
2830 if (test_bit(FLAG_MPI,&ai->flags)) {
2831 skb_queue_head_init (&ai->txq);
2832 dev->hard_start_xmit = &mpi_start_xmit;
2834 dev->hard_start_xmit = &airo_start_xmit;
2835 dev->get_stats = &airo_get_stats;
2836 dev->set_multicast_list = &airo_set_multicast_list;
2837 dev->set_mac_address = &airo_set_mac_address;
2838 dev->do_ioctl = &airo_ioctl;
2839 dev->wireless_handlers = &airo_handler_def;
2840 ai->wireless_data.spy_data = &ai->spy_data;
2841 dev->wireless_data = &ai->wireless_data;
2842 dev->change_mtu = &airo_change_mtu;
2843 dev->open = &airo_open;
2844 dev->stop = &airo_close;
2846 dev->base_addr = port;
2848 SET_NETDEV_DEV(dev, dmdev);
2850 reset_card (dev, 1);
2853 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2855 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2857 goto err_out_unlink;
2860 if (!request_region( dev->base_addr, 64, dev->name )) {
2862 airo_print_err(dev->name, "Couldn't request region");
2867 if (test_bit(FLAG_MPI,&ai->flags)) {
2868 if (mpi_map_card(ai, pci, dev->name)) {
2869 airo_print_err(dev->name, "Could not map memory");
2875 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2876 airo_print_err(dev->name, "MAC could not be enabled" );
2880 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2881 ai->bap_read = fast_bap_read;
2882 set_bit(FLAG_FLASHING, &ai->flags);
2885 /* Test for WPA support */
2886 if (airo_test_wpa_capable(ai)) {
2887 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2888 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2889 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2890 ai->bssListRidLen = sizeof(BSSListRid);
2892 ai->bssListFirst = RID_BSSLISTFIRST;
2893 ai->bssListNext = RID_BSSLISTNEXT;
2894 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2897 rc = register_netdev(dev);
2899 airo_print_err(dev->name, "Couldn't register_netdev");
2902 ai->wifidev = init_wifidev(ai, dev);
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2906 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2907 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
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 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2915 netif_start_queue(dev);
2916 SET_MODULE_OWNER(dev);
2920 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2921 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2922 iounmap(ai->pciaux);
2923 iounmap(ai->pcimem);
2924 mpi_unmap_card(ai->pci);
2928 release_region( dev->base_addr, 64 );
2930 free_irq(dev->irq, dev);
2934 set_bit(JOB_DIE, &ai->jobs);
2935 kill_proc(ai->thr_pid, SIGTERM, 1);
2936 wait_for_completion(&ai->thr_exited);
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;
2965 if (reset_card (dev, 1))
2968 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2969 airo_print_err(dev->name, "MAC could not be enabled");
2972 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2973 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2974 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
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 == 0xffff)) {
3021 /* No scan results */
3025 /* Read and parse all entries */
3027 while((!rc) && (bss.index != 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;
3068 daemonize("%s", dev->name);
3069 allow_signal(SIGTERM);
3072 if (signal_pending(current))
3073 flush_signals(current);
3075 /* make swsusp happy with our thread */
3078 if (test_bit(JOB_DIE, &ai->jobs))
3082 locked = down_interruptible(&ai->sem);
3086 init_waitqueue_entry(&wait, current);
3087 add_wait_queue(&ai->thr_wait, &wait);
3089 set_current_state(TASK_INTERRUPTIBLE);
3092 if (ai->expires || ai->scan_timeout) {
3093 if (ai->scan_timeout &&
3094 time_after_eq(jiffies,ai->scan_timeout)){
3095 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3097 } else if (ai->expires &&
3098 time_after_eq(jiffies,ai->expires)){
3099 set_bit(JOB_AUTOWEP, &ai->jobs);
3102 if (!signal_pending(current)) {
3103 unsigned long wake_at;
3104 if (!ai->expires || !ai->scan_timeout) {
3105 wake_at = max(ai->expires,
3108 wake_at = min(ai->expires,
3111 schedule_timeout(wake_at - jiffies);
3114 } else if (!signal_pending(current)) {
3120 current->state = TASK_RUNNING;
3121 remove_wait_queue(&ai->thr_wait, &wait);
3128 if (test_bit(JOB_DIE, &ai->jobs)) {
3133 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3138 if (test_bit(JOB_XMIT, &ai->jobs))
3140 else if (test_bit(JOB_XMIT11, &ai->jobs))
3141 airo_end_xmit11(dev);
3142 else if (test_bit(JOB_STATS, &ai->jobs))
3143 airo_read_stats(ai);
3144 else if (test_bit(JOB_WSTATS, &ai->jobs))
3145 airo_read_wireless_stats(ai);
3146 else if (test_bit(JOB_PROMISC, &ai->jobs))
3147 airo_set_promisc(ai);
3148 else if (test_bit(JOB_MIC, &ai->jobs))
3150 else if (test_bit(JOB_EVENT, &ai->jobs))
3151 airo_send_event(dev);
3152 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3154 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3155 airo_process_scan_results(ai);
3156 else /* Shouldn't get here, but we make sure to unlock */
3159 complete_and_exit (&ai->thr_exited, 0);
3162 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
3163 struct net_device *dev = (struct net_device *)dev_id;
3166 struct airo_info *apriv = dev->priv;
3167 u16 savedInterrupts = 0;
3170 if (!netif_device_present(dev))
3174 status = IN4500( apriv, EVSTAT );
3175 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3179 if ( status & EV_AWAKE ) {
3180 OUT4500( apriv, EVACK, EV_AWAKE );
3181 OUT4500( apriv, EVACK, EV_AWAKE );
3184 if (!savedInterrupts) {
3185 savedInterrupts = IN4500( apriv, EVINTEN );
3186 OUT4500( apriv, EVINTEN, 0 );
3189 if ( status & EV_MIC ) {
3190 OUT4500( apriv, EVACK, EV_MIC );
3191 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3192 set_bit(JOB_MIC, &apriv->jobs);
3193 wake_up_interruptible(&apriv->thr_wait);
3196 if ( status & EV_LINK ) {
3197 union iwreq_data wrqu;
3198 int scan_forceloss = 0;
3199 /* The link status has changed, if you want to put a
3200 monitor hook in, do it here. (Remember that
3201 interrupts are still disabled!)
3203 u16 newStatus = IN4500(apriv, LINKSTAT);
3204 OUT4500( apriv, EVACK, EV_LINK);
3205 /* Here is what newStatus means: */
3206 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3207 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3208 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3209 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3210 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3211 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3212 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3213 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3215 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3217 #define ASSOCIATED 0x0400 /* Associated */
3218 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3219 #define RC_RESERVED 0 /* Reserved return code */
3220 #define RC_NOREASON 1 /* Unspecified reason */
3221 #define RC_AUTHINV 2 /* Previous authentication invalid */
3222 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3224 #define RC_NOACT 4 /* Disassociated due to inactivity */
3225 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3226 all currently associated stations */
3227 #define RC_BADCLASS2 6 /* Class 2 frame received from
3228 non-Authenticated station */
3229 #define RC_BADCLASS3 7 /* Class 3 frame received from
3230 non-Associated station */
3231 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3233 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3234 Authenticated with the responding station */
3235 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3237 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3241 wake_up_process (apriv->task);
3242 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3243 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3245 if (down_trylock(&apriv->sem) != 0) {
3246 set_bit(JOB_EVENT, &apriv->jobs);
3247 wake_up_interruptible(&apriv->thr_wait);
3249 airo_send_event(dev);
3250 } else if (!scan_forceloss) {
3251 if (auto_wep && !apriv->expires) {
3252 apriv->expires = RUN_AT(3*HZ);
3253 wake_up_interruptible(&apriv->thr_wait);
3256 /* Send event to user space */
3257 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3258 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3259 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3263 /* Check to see if there is something to receive */
3264 if ( status & EV_RX ) {
3265 struct sk_buff *skb = NULL;
3266 u16 fc, len, hdrlen = 0;
3280 if (test_bit(FLAG_MPI,&apriv->flags)) {
3281 if (test_bit(FLAG_802_11, &apriv->flags))
3282 mpi_receive_802_11(apriv);
3284 mpi_receive_802_3(apriv);
3285 OUT4500(apriv, EVACK, EV_RX);
3289 fid = IN4500( apriv, RXFID );
3291 /* Get the packet length */
3292 if (test_bit(FLAG_802_11, &apriv->flags)) {
3293 bap_setup (apriv, fid, 4, BAP0);
3294 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3295 /* Bad CRC. Ignore packet */
3296 if (le16_to_cpu(hdr.status) & 2)
3298 if (apriv->wifidev == NULL)
3301 bap_setup (apriv, fid, 0x36, BAP0);
3302 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3304 len = le16_to_cpu(hdr.len);
3306 if (len > AIRO_DEF_MTU) {
3307 airo_print_err(apriv->dev->name, "Bad size %d", len);
3313 if (test_bit(FLAG_802_11, &apriv->flags)) {
3314 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3315 fc = le16_to_cpu(fc);
3318 if ((fc & 0xe0) == 0xc0)
3324 if ((fc&0x300)==0x300){
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 = (u16*)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, &gap, sizeof(gap), BAP0);
3348 gap = le16_to_cpu(gap);
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,(u16*)&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, (u16*)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->mac.raw = skb->data;
3410 skb->pkt_type = PACKET_OTHERHOST;
3411 skb->dev = apriv->wifidev;
3412 skb->protocol = htons(ETH_P_802_2);
3415 skb->protocol = eth_type_trans(skb,dev);
3417 skb->dev->last_rx = jiffies;
3418 skb->ip_summed = CHECKSUM_NONE;
3424 /* Check to see if a packet has been transmitted */
3425 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3430 if (test_bit(FLAG_MPI,&apriv->flags)) {
3431 unsigned long flags;
3433 if (status & EV_TXEXC)
3434 get_tx_error(apriv, -1);
3435 spin_lock_irqsave(&apriv->aux_lock, flags);
3436 if (!skb_queue_empty(&apriv->txq)) {
3437 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3438 mpi_send_packet (dev);
3440 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3441 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3442 netif_wake_queue (dev);
3444 OUT4500( apriv, EVACK,
3445 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3449 fid = IN4500(apriv, TXCOMPLFID);
3451 for( i = 0; i < MAX_FIDS; i++ ) {
3452 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3453 len = apriv->fids[i] >> 16;
3458 if (status & EV_TXEXC)
3459 get_tx_error(apriv, index);
3460 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3461 /* Set up to be used again */
3462 apriv->fids[index] &= 0xffff;
3463 if (index < MAX_FIDS / 2) {
3464 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3465 netif_wake_queue(dev);
3467 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3468 netif_wake_queue(apriv->wifidev);
3471 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3472 airo_print_err(apriv->dev->name, "Unallocated FID was "
3477 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3478 airo_print_warn(apriv->dev->name, "Got weird status %x",
3479 status & ~STATUS_INTS & ~IGNORE_INTS );
3482 if (savedInterrupts)
3483 OUT4500( apriv, EVINTEN, savedInterrupts );
3486 return IRQ_RETVAL(handled);
3490 * Routines to talk to the card
3494 * This was originally written for the 4500, hence the name
3495 * NOTE: If use with 8bit mode and SMP bad things will happen!
3496 * Why would some one do 8 bit IO in an SMP machine?!?
3498 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3499 if (test_bit(FLAG_MPI,&ai->flags))
3502 outw( val, ai->dev->base_addr + reg );
3504 outb( val & 0xff, ai->dev->base_addr + reg );
3505 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3509 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3512 if (test_bit(FLAG_MPI,&ai->flags))
3515 rc = inw( ai->dev->base_addr + reg );
3517 rc = inb( ai->dev->base_addr + reg );
3518 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3523 static int enable_MAC( struct airo_info *ai, Resp *rsp, 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, "%s: Cannot enable MAC, err=%d",
3556 static void disable_MAC( struct airo_info *ai, int lock ) {
3560 if (lock && down_interruptible(&ai->sem))
3563 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3564 memset(&cmd, 0, sizeof(cmd));
3565 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3566 issuecommand(ai, &cmd, &rsp);
3567 clear_bit(FLAG_ENABLED, &ai->flags);
3573 static void enable_interrupts( struct airo_info *ai ) {
3574 /* Enable the interrupts */
3575 OUT4500( ai, EVINTEN, STATUS_INTS );
3578 static void disable_interrupts( struct airo_info *ai ) {
3579 OUT4500( ai, EVINTEN, 0 );
3582 static void mpi_receive_802_3(struct airo_info *ai)
3586 struct sk_buff *skb;
3591 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3592 /* Make sure we got something */
3593 if (rxd.rdy && rxd.valid == 0) {
3595 if (len < 12 || len > 2048)
3598 skb = dev_alloc_skb(len);
3600 ai->stats.rx_dropped++;
3603 buffer = skb_put(skb,len);
3604 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3605 if (ai->micstats.enabled) {
3607 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3609 if (ntohs(micbuf.typelen) <= 0x05DC) {
3610 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3613 off = sizeof(micbuf);
3614 skb_trim (skb, len - off);
3617 memcpy(buffer + ETH_ALEN * 2,
3618 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3619 len - ETH_ALEN * 2 - off);
3620 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3622 dev_kfree_skb_irq (skb);
3626 if (ai->spy_data.spy_number > 0) {
3628 struct iw_quality wstats;
3629 /* Prepare spy data : addr + qual */
3630 sa = buffer + ETH_ALEN;
3631 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3634 /* Update spy records */
3635 wireless_spy_update(ai->dev, sa, &wstats);
3637 #endif /* WIRELESS_SPY */
3640 skb->ip_summed = CHECKSUM_NONE;
3641 skb->protocol = eth_type_trans(skb, ai->dev);
3642 skb->dev->last_rx = jiffies;
3646 if (rxd.valid == 0) {
3650 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3654 void mpi_receive_802_11 (struct airo_info *ai)
3657 struct sk_buff *skb = NULL;
3658 u16 fc, len, hdrlen = 0;
3670 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3672 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3673 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3675 /* Bad CRC. Ignore packet */
3676 if (le16_to_cpu(hdr.status) & 2)
3678 if (ai->wifidev == NULL)
3680 len = le16_to_cpu(hdr.len);
3681 if (len > AIRO_DEF_MTU) {
3682 airo_print_err(ai->dev->name, "Bad size %d", len);
3688 memcpy ((char *)&fc, ptr, sizeof(fc));
3689 fc = le16_to_cpu(fc);
3692 if ((fc & 0xe0) == 0xc0)
3698 if ((fc&0x300)==0x300){
3706 skb = dev_alloc_skb( len + hdrlen + 2 );
3708 ai->stats.rx_dropped++;
3711 buffer = (u16*)skb_put (skb, len + hdrlen);
3712 memcpy ((char *)buffer, ptr, hdrlen);
3716 memcpy ((char *)&gap, ptr, sizeof(gap));
3718 gap = le16_to_cpu(gap);
3723 airo_print_err(ai->dev->name,
3724 "gaplen too big. Problems will follow...");
3726 memcpy ((char *)buffer + hdrlen, ptr, len);
3728 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3729 if (ai->spy_data.spy_number > 0) {
3731 struct iw_quality wstats;
3732 /* Prepare spy data : addr + qual */
3733 sa = (char*)buffer + 10;
3734 wstats.qual = hdr.rssi[0];
3736 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3738 wstats.level = (hdr.rssi[1] + 321) / 2;
3739 wstats.noise = ai->wstats.qual.noise;
3740 wstats.updated = IW_QUAL_QUAL_UPDATED
3741 | IW_QUAL_LEVEL_UPDATED
3743 /* Update spy records */
3744 wireless_spy_update(ai->dev, sa, &wstats);
3746 #endif /* IW_WIRELESS_SPY */
3747 skb->mac.raw = skb->data;
3748 skb->pkt_type = PACKET_OTHERHOST;
3749 skb->dev = ai->wifidev;
3750 skb->protocol = htons(ETH_P_802_2);
3751 skb->dev->last_rx = jiffies;
3752 skb->ip_summed = CHECKSUM_NONE;
3755 if (rxd.valid == 0) {
3759 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3763 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3774 memset( &mySsid, 0, sizeof( mySsid ) );
3778 /* The NOP is the first step in getting the card going */
3780 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3781 if (lock && down_interruptible(&ai->sem))
3783 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3788 disable_MAC( ai, 0);
3790 // Let's figure out if we need to use the AUX port
3791 if (!test_bit(FLAG_MPI,&ai->flags)) {
3792 cmd.cmd = CMD_ENABLEAUX;
3793 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3796 airo_print_err(ai->dev->name, "Error checking for AUX port");
3799 if (!aux_bap || rsp.status & 0xff00) {
3800 ai->bap_read = fast_bap_read;
3801 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3803 ai->bap_read = aux_bap_read;
3804 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3809 if (ai->config.len == 0) {
3810 tdsRssiRid rssi_rid;
3811 CapabilityRid cap_rid;
3817 // general configuration (read/modify/write)
3818 status = readConfigRid(ai, lock);
3819 if ( status != SUCCESS ) return ERROR;
3821 status = readCapabilityRid(ai, &cap_rid, lock);
3822 if ( status != SUCCESS ) return ERROR;
3824 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3825 if ( status == SUCCESS ) {
3826 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3827 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3832 if (cap_rid.softCap & 8)
3833 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3835 airo_print_warn(ai->dev->name, "unknown received signal "
3838 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3839 ai->config.authType = AUTH_OPEN;
3840 ai->config.modulation = MOD_CCK;
3842 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3843 (micsetup(ai) == SUCCESS)) {
3844 ai->config.opmode |= MODE_MIC;
3845 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3848 /* Save off the MAC */
3849 for( i = 0; i < ETH_ALEN; i++ ) {
3850 mac[i] = ai->config.macAddr[i];
3853 /* Check to see if there are any insmod configured
3857 memset(ai->config.rates,0,sizeof(ai->config.rates));
3858 for( i = 0; i < 8 && rates[i]; i++ ) {
3859 ai->config.rates[i] = rates[i];
3862 if ( basic_rate > 0 ) {
3864 for( i = 0; i < 8; i++ ) {
3865 if ( ai->config.rates[i] == basic_rate ||
3866 !ai->config.rates ) {
3867 ai->config.rates[i] = basic_rate | 0x80;
3872 set_bit (FLAG_COMMIT, &ai->flags);
3875 /* Setup the SSIDs if present */
3878 for( i = 0; i < 3 && ssids[i]; i++ ) {
3879 mySsid.ssids[i].len = strlen(ssids[i]);
3880 if ( mySsid.ssids[i].len > 32 )
3881 mySsid.ssids[i].len = 32;
3882 memcpy(mySsid.ssids[i].ssid, ssids[i],
3883 mySsid.ssids[i].len);
3885 mySsid.len = sizeof(mySsid);
3888 status = writeConfigRid(ai, lock);
3889 if ( status != SUCCESS ) return ERROR;
3891 /* Set up the SSID list */
3893 status = writeSsidRid(ai, &mySsid, lock);
3894 if ( status != SUCCESS ) return ERROR;
3897 status = enable_MAC(ai, &rsp, lock);
3898 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3899 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3900 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3904 /* Grab the initial wep key, we gotta save it for auto_wep */
3905 rc = readWepKeyRid(ai, &wkr, 1, lock);
3906 if (rc == SUCCESS) do {
3907 lastindex = wkr.kindex;
3908 if (wkr.kindex == 0xffff) {
3909 ai->defindex = wkr.mac[0];
3911 rc = readWepKeyRid(ai, &wkr, 0, lock);
3912 } while(lastindex != wkr.kindex);
3915 ai->expires = RUN_AT(3*HZ);
3916 wake_up_interruptible(&ai->thr_wait);
3922 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3923 // Im really paranoid about letting it run forever!
3924 int max_tries = 600000;
3926 if (IN4500(ai, EVSTAT) & EV_CMD)
3927 OUT4500(ai, EVACK, EV_CMD);
3929 OUT4500(ai, PARAM0, pCmd->parm0);
3930 OUT4500(ai, PARAM1, pCmd->parm1);
3931 OUT4500(ai, PARAM2, pCmd->parm2);
3932 OUT4500(ai, COMMAND, pCmd->cmd);
3934 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3935 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3936 // PC4500 didn't notice command, try again
3937 OUT4500(ai, COMMAND, pCmd->cmd);
3938 if (!in_atomic() && (max_tries & 255) == 0)
3942 if ( max_tries == -1 ) {
3943 airo_print_err(ai->dev->name,
3944 "Max tries exceeded when issueing command");
3945 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3946 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3950 // command completed
3951 pRsp->status = IN4500(ai, STATUS);
3952 pRsp->rsp0 = IN4500(ai, RESP0);
3953 pRsp->rsp1 = IN4500(ai, RESP1);
3954 pRsp->rsp2 = IN4500(ai, RESP2);
3955 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3956 airo_print_err(ai->dev->name, "cmd= %x\n", pCmd->cmd);
3957 airo_print_err(ai->dev->name, "status= %x\n", pRsp->status);
3958 airo_print_err(ai->dev->name, "Rsp0= %x\n", pRsp->rsp0);
3959 airo_print_err(ai->dev->name, "Rsp1= %x\n", pRsp->rsp1);
3960 airo_print_err(ai->dev->name, "Rsp2= %x\n", pRsp->rsp2);
3963 // clear stuck command busy if necessary
3964 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3965 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3967 // acknowledge processing the status/response
3968 OUT4500(ai, EVACK, EV_CMD);
3973 /* Sets up the bap to start exchange data. whichbap should
3974 * be one of the BAP0 or BAP1 defines. Locks should be held before
3976 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3981 OUT4500(ai, SELECT0+whichbap, rid);
3982 OUT4500(ai, OFFSET0+whichbap, offset);
3984 int status = IN4500(ai, OFFSET0+whichbap);
3985 if (status & BAP_BUSY) {
3986 /* This isn't really a timeout, but its kinda
3991 } else if ( status & BAP_ERR ) {
3992 /* invalid rid or offset */
3993 airo_print_err(ai->dev->name, "BAP error %x %d",
3996 } else if (status & BAP_DONE) { // success
3999 if ( !(max_tries--) ) {
4000 airo_print_err(ai->dev->name,
4001 "airo: BAP setup error too many retries\n");
4004 // -- PC4500 missed it, try again
4005 OUT4500(ai, SELECT0+whichbap, rid);
4006 OUT4500(ai, OFFSET0+whichbap, offset);
4011 /* should only be called by aux_bap_read. This aux function and the
4012 following use concepts not documented in the developers guide. I
4013 got them from a patch given to my by Aironet */
4014 static u16 aux_setup(struct airo_info *ai, u16 page,
4015 u16 offset, u16 *len)
4019 OUT4500(ai, AUXPAGE, page);
4020 OUT4500(ai, AUXOFF, 0);
4021 next = IN4500(ai, AUXDATA);
4022 *len = IN4500(ai, AUXDATA)&0xff;
4023 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4027 /* requires call to bap_setup() first */
4028 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4029 int bytelen, int whichbap)
4037 unsigned long flags;
4039 spin_lock_irqsave(&ai->aux_lock, flags);
4040 page = IN4500(ai, SWS0+whichbap);
4041 offset = IN4500(ai, SWS2+whichbap);
4042 next = aux_setup(ai, page, offset, &len);
4043 words = (bytelen+1)>>1;
4045 for (i=0; i<words;) {
4047 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4049 insw( ai->dev->base_addr+DATA0+whichbap,
4052 insb( ai->dev->base_addr+DATA0+whichbap,
4053 pu16Dst+i, count << 1 );
4056 next = aux_setup(ai, next, 4, &len);
4059 spin_unlock_irqrestore(&ai->aux_lock, flags);
4064 /* requires call to bap_setup() first */
4065 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4066 int bytelen, int whichbap)
4068 bytelen = (bytelen + 1) & (~1); // round up to even value
4070 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4072 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4076 /* requires call to bap_setup() first */
4077 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4078 int bytelen, int whichbap)
4080 bytelen = (bytelen + 1) & (~1); // round up to even value
4082 outsw( ai->dev->base_addr+DATA0+whichbap,
4083 pu16Src, bytelen>>1 );
4085 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4089 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4091 Cmd cmd; /* for issuing commands */
4092 Resp rsp; /* response from commands */
4095 memset(&cmd, 0, sizeof(cmd));
4098 status = issuecommand(ai, &cmd, &rsp);
4099 if (status != 0) return status;
4100 if ( (rsp.status & 0x7F00) != 0) {
4101 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4106 /* Note, that we are using BAP1 which is also used by transmit, so
4107 * we must get a lock. */
4108 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4114 if (down_interruptible(&ai->sem))
4117 if (test_bit(FLAG_MPI,&ai->flags)) {
4121 memset(&cmd, 0, sizeof(cmd));
4122 memset(&rsp, 0, sizeof(rsp));
4123 ai->config_desc.rid_desc.valid = 1;
4124 ai->config_desc.rid_desc.len = RIDSIZE;
4125 ai->config_desc.rid_desc.rid = 0;
4126 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4128 cmd.cmd = CMD_ACCESS;
4131 memcpy_toio(ai->config_desc.card_ram_off,
4132 &ai->config_desc.rid_desc, sizeof(Rid));
4134 rc = issuecommand(ai, &cmd, &rsp);
4136 if (rsp.status & 0x7f00)
4139 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4142 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4146 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4150 // read the rid length field
4151 bap_read(ai, pBuf, 2, BAP1);
4152 // length for remaining part of rid
4153 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4156 airo_print_err(ai->dev->name,
4157 "Rid %x has a length of %d which is too short",
4158 (int)rid, (int)len );
4162 // read remainder of the rid
4163 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4171 /* Note, that we are using BAP1 which is also used by transmit, so
4172 * make sure this isnt called when a transmit is happening */
4173 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4174 const void *pBuf, int len, int lock)
4179 *(u16*)pBuf = cpu_to_le16((u16)len);
4182 if (down_interruptible(&ai->sem))
4185 if (test_bit(FLAG_MPI,&ai->flags)) {
4189 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4190 airo_print_err(ai->dev->name,
4191 "%s: MAC should be disabled (rid=%04x)",
4193 memset(&cmd, 0, sizeof(cmd));
4194 memset(&rsp, 0, sizeof(rsp));
4196 ai->config_desc.rid_desc.valid = 1;
4197 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4198 ai->config_desc.rid_desc.rid = 0;
4200 cmd.cmd = CMD_WRITERID;
4203 memcpy_toio(ai->config_desc.card_ram_off,
4204 &ai->config_desc.rid_desc, sizeof(Rid));
4206 if (len < 4 || len > 2047) {
4207 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4210 memcpy((char *)ai->config_desc.virtual_host_addr,
4213 rc = issuecommand(ai, &cmd, &rsp);
4214 if ((rc & 0xff00) != 0) {
4215 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4217 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4218 __FUNCTION__, cmd.cmd);
4221 if ((rsp.status & 0x7f00))
4225 // --- first access so that we can write the rid data
4226 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4230 // --- now write the rid data
4231 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4235 bap_write(ai, pBuf, len, BAP1);
4236 // ---now commit the rid data
4237 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4245 /* Allocates a FID to be used for transmitting packets. We only use
4247 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4249 unsigned int loop = 3000;
4255 cmd.cmd = CMD_ALLOCATETX;
4256 cmd.parm0 = lenPayload;
4257 if (down_interruptible(&ai->sem))
4259 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4263 if ( (rsp.status & 0xFF00) != 0) {
4267 /* wait for the allocate event/indication
4268 * It makes me kind of nervous that this can just sit here and spin,
4269 * but in practice it only loops like four times. */
4270 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4276 // get the allocated fid and acknowledge
4277 txFid = IN4500(ai, TXALLOCFID);
4278 OUT4500(ai, EVACK, EV_ALLOC);
4280 /* The CARD is pretty cool since it converts the ethernet packet
4281 * into 802.11. Also note that we don't release the FID since we
4282 * will be using the same one over and over again. */
4283 /* We only have to setup the control once since we are not
4284 * releasing the fid. */
4286 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4287 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4289 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4290 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4291 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4294 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4302 /* In general BAP1 is dedicated to transmiting packets. However,
4303 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4304 Make sure the BAP1 spinlock is held when this is called. */
4305 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4316 if (len <= ETH_ALEN * 2) {
4317 airo_print_warn(ai->dev->name, "Short packet %d", len);
4320 len -= ETH_ALEN * 2;
4322 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4323 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4324 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4326 miclen = sizeof(pMic);
4328 // packet is destination[6], source[6], payload[len-12]
4329 // write the payload length and dst/src/payload
4330 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4331 /* The hardware addresses aren't counted as part of the payload, so
4332 * we have to subtract the 12 bytes for the addresses off */
4333 payloadLen = cpu_to_le16(len + miclen);
4334 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4335 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4337 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4338 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4339 // issue the transmit command
4340 memset( &cmd, 0, sizeof( cmd ) );
4341 cmd.cmd = CMD_TRANSMIT;
4343 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4344 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4348 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4363 fc = le16_to_cpu(*(const u16*)pPacket);
4366 if ((fc & 0xe0) == 0xc0)
4372 if ((fc&0x300)==0x300){
4381 airo_print_warn(ai->dev->name, "Short packet %d", len);
4385 /* packet is 802.11 header + payload
4386 * write the payload length and dst/src/payload */
4387 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4388 /* The 802.11 header aren't counted as part of the payload, so
4389 * we have to subtract the header bytes off */
4390 payloadLen = cpu_to_le16(len-hdrlen);
4391 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4392 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4393 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4394 bap_write(ai, hdrlen == 30 ?
4395 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4397 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4398 // issue the transmit command
4399 memset( &cmd, 0, sizeof( cmd ) );
4400 cmd.cmd = CMD_TRANSMIT;
4402 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4403 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4408 * This is the proc_fs routines. It is a bit messier than I would
4409 * like! Feel free to clean it up!
4412 static ssize_t proc_read( struct file *file,
4413 char __user *buffer,
4417 static ssize_t proc_write( struct file *file,
4418 const char __user *buffer,
4421 static int proc_close( struct inode *inode, struct file *file );
4423 static int proc_stats_open( struct inode *inode, struct file *file );
4424 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4425 static int proc_status_open( struct inode *inode, struct file *file );
4426 static int proc_SSID_open( struct inode *inode, struct file *file );
4427 static int proc_APList_open( struct inode *inode, struct file *file );
4428 static int proc_BSSList_open( struct inode *inode, struct file *file );
4429 static int proc_config_open( struct inode *inode, struct file *file );
4430 static int proc_wepkey_open( struct inode *inode, struct file *file );
4432 static struct file_operations proc_statsdelta_ops = {
4434 .open = proc_statsdelta_open,
4435 .release = proc_close
4438 static struct file_operations proc_stats_ops = {
4440 .open = proc_stats_open,
4441 .release = proc_close
4444 static struct file_operations proc_status_ops = {
4446 .open = proc_status_open,
4447 .release = proc_close
4450 static struct file_operations proc_SSID_ops = {
4452 .write = proc_write,
4453 .open = proc_SSID_open,
4454 .release = proc_close
4457 static struct file_operations proc_BSSList_ops = {
4459 .write = proc_write,
4460 .open = proc_BSSList_open,
4461 .release = proc_close
4464 static struct file_operations proc_APList_ops = {
4466 .write = proc_write,
4467 .open = proc_APList_open,
4468 .release = proc_close
4471 static struct file_operations proc_config_ops = {
4473 .write = proc_write,
4474 .open = proc_config_open,
4475 .release = proc_close
4478 static struct file_operations proc_wepkey_ops = {
4480 .write = proc_write,
4481 .open = proc_wepkey_open,
4482 .release = proc_close
4485 static struct proc_dir_entry *airo_entry;
4494 void (*on_close) (struct inode *, struct file *);
4498 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4501 static int setup_proc_entry( struct net_device *dev,
4502 struct airo_info *apriv ) {
4503 struct proc_dir_entry *entry;
4504 /* First setup the device directory */
4505 strcpy(apriv->proc_name,dev->name);
4506 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4509 apriv->proc_entry->uid = proc_uid;
4510 apriv->proc_entry->gid = proc_gid;
4511 apriv->proc_entry->owner = THIS_MODULE;
4513 /* Setup the StatsDelta */
4514 entry = create_proc_entry("StatsDelta",
4515 S_IFREG | (S_IRUGO&proc_perm),
4517 entry->uid = proc_uid;
4518 entry->gid = proc_gid;
4520 entry->owner = THIS_MODULE;
4521 SETPROC_OPS(entry, proc_statsdelta_ops);
4523 /* Setup the Stats */
4524 entry = create_proc_entry("Stats",
4525 S_IFREG | (S_IRUGO&proc_perm),
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4530 entry->owner = THIS_MODULE;
4531 SETPROC_OPS(entry, proc_stats_ops);
4533 /* Setup the Status */
4534 entry = create_proc_entry("Status",
4535 S_IFREG | (S_IRUGO&proc_perm),
4537 entry->uid = proc_uid;
4538 entry->gid = proc_gid;
4540 entry->owner = THIS_MODULE;
4541 SETPROC_OPS(entry, proc_status_ops);
4543 /* Setup the Config */
4544 entry = create_proc_entry("Config",
4545 S_IFREG | proc_perm,
4547 entry->uid = proc_uid;
4548 entry->gid = proc_gid;
4550 entry->owner = THIS_MODULE;
4551 SETPROC_OPS(entry, proc_config_ops);
4553 /* Setup the SSID */
4554 entry = create_proc_entry("SSID",
4555 S_IFREG | proc_perm,
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
4560 entry->owner = THIS_MODULE;
4561 SETPROC_OPS(entry, proc_SSID_ops);
4563 /* Setup the APList */
4564 entry = create_proc_entry("APList",
4565 S_IFREG | proc_perm,
4567 entry->uid = proc_uid;
4568 entry->gid = proc_gid;
4570 entry->owner = THIS_MODULE;
4571 SETPROC_OPS(entry, proc_APList_ops);
4573 /* Setup the BSSList */
4574 entry = create_proc_entry("BSSList",
4575 S_IFREG | proc_perm,
4577 entry->uid = proc_uid;
4578 entry->gid = proc_gid;
4580 entry->owner = THIS_MODULE;
4581 SETPROC_OPS(entry, proc_BSSList_ops);
4583 /* Setup the WepKey */
4584 entry = create_proc_entry("WepKey",
4585 S_IFREG | proc_perm,
4587 entry->uid = proc_uid;
4588 entry->gid = proc_gid;
4590 entry->owner = THIS_MODULE;
4591 SETPROC_OPS(entry, proc_wepkey_ops);
4596 static int takedown_proc_entry( struct net_device *dev,
4597 struct airo_info *apriv ) {
4598 if ( !apriv->proc_entry->namelen ) return 0;
4599 remove_proc_entry("Stats",apriv->proc_entry);
4600 remove_proc_entry("StatsDelta",apriv->proc_entry);
4601 remove_proc_entry("Status",apriv->proc_entry);
4602 remove_proc_entry("Config",apriv->proc_entry);
4603 remove_proc_entry("SSID",apriv->proc_entry);
4604 remove_proc_entry("APList",apriv->proc_entry);
4605 remove_proc_entry("BSSList",apriv->proc_entry);
4606 remove_proc_entry("WepKey",apriv->proc_entry);
4607 remove_proc_entry(apriv->proc_name,airo_entry);
4612 * What we want from the proc_fs is to be able to efficiently read
4613 * and write the configuration. To do this, we want to read the
4614 * configuration when the file is opened and write it when the file is
4615 * closed. So basically we allocate a read buffer at open and fill it
4616 * with data, and allocate a write buffer and read it at close.
4620 * The read routine is generic, it relies on the preallocated rbuffer
4621 * to supply the data.
4623 static ssize_t proc_read( struct file *file,
4624 char __user *buffer,
4628 loff_t pos = *offset;
4629 struct proc_data *priv = (struct proc_data*)file->private_data;
4636 if (pos >= priv->readlen)
4638 if (len > priv->readlen - pos)
4639 len = priv->readlen - pos;
4640 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4642 *offset = pos + len;
4647 * The write routine is generic, it fills in a preallocated rbuffer
4648 * to supply the data.
4650 static ssize_t proc_write( struct file *file,
4651 const char __user *buffer,
4655 loff_t pos = *offset;
4656 struct proc_data *priv = (struct proc_data*)file->private_data;
4663 if (pos >= priv->maxwritelen)
4665 if (len > priv->maxwritelen - pos)
4666 len = priv->maxwritelen - pos;
4667 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4669 if ( pos + len > priv->writelen )
4670 priv->writelen = len + file->f_pos;
4671 *offset = pos + len;
4675 static int proc_status_open( struct inode *inode, struct file *file ) {
4676 struct proc_data *data;
4677 struct proc_dir_entry *dp = PDE(inode);
4678 struct net_device *dev = dp->data;
4679 struct airo_info *apriv = dev->priv;
4680 CapabilityRid cap_rid;
4681 StatusRid status_rid;
4684 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4686 data = (struct proc_data *)file->private_data;
4687 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4688 kfree (file->private_data);
4692 readStatusRid(apriv, &status_rid, 1);
4693 readCapabilityRid(apriv, &cap_rid, 1);
4695 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4696 status_rid.mode & 1 ? "CFG ": "",
4697 status_rid.mode & 2 ? "ACT ": "",
4698 status_rid.mode & 0x10 ? "SYN ": "",
4699 status_rid.mode & 0x20 ? "LNK ": "",
4700 status_rid.mode & 0x40 ? "LEAP ": "",
4701 status_rid.mode & 0x80 ? "PRIV ": "",
4702 status_rid.mode & 0x100 ? "KEY ": "",
4703 status_rid.mode & 0x200 ? "WEP ": "",
4704 status_rid.mode & 0x8000 ? "ERR ": "");
4705 sprintf( data->rbuffer+i, "Mode: %x\n"
4706 "Signal Strength: %d\n"
4707 "Signal Quality: %d\n"
4712 "Driver Version: %s\n"
4713 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4714 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4715 "Software Version: %x\nSoftware Subversion: %x\n"
4716 "Boot block version: %x\n",
4717 (int)status_rid.mode,
4718 (int)status_rid.normalizedSignalStrength,
4719 (int)status_rid.signalQuality,
4720 (int)status_rid.SSIDlen,
4723 (int)status_rid.channel,
4724 (int)status_rid.currentXmitRate/2,
4732 (int)cap_rid.softVer,
4733 (int)cap_rid.softSubVer,
4734 (int)cap_rid.bootBlockVer );
4735 data->readlen = strlen( data->rbuffer );
4739 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4740 static int proc_statsdelta_open( struct inode *inode,
4741 struct file *file ) {
4742 if (file->f_mode&FMODE_WRITE) {
4743 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4745 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4748 static int proc_stats_open( struct inode *inode, struct file *file ) {
4749 return proc_stats_rid_open(inode, file, RID_STATS);
4752 static int proc_stats_rid_open( struct inode *inode,
4755 struct proc_data *data;
4756 struct proc_dir_entry *dp = PDE(inode);
4757 struct net_device *dev = dp->data;
4758 struct airo_info *apriv = dev->priv;
4761 u32 *vals = stats.vals;
4763 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4765 data = (struct proc_data *)file->private_data;
4766 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4767 kfree (file->private_data);
4771 readStatsRid(apriv, &stats, rid, 1);
4774 for(i=0; statsLabels[i]!=(char *)-1 &&
4775 i*4<stats.len; i++){
4776 if (!statsLabels[i]) continue;
4777 if (j+strlen(statsLabels[i])+16>4096) {
4778 airo_print_warn(apriv->dev->name,
4779 "Potentially disasterous buffer overflow averted!");
4782 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4784 if (i*4>=stats.len){
4785 airo_print_warn(apriv->dev->name, "Got a short rid");
4791 static int get_dec_u16( char *buffer, int *start, int limit ) {
4794 for( value = 0; buffer[*start] >= '0' &&
4795 buffer[*start] <= '9' &&
4796 *start < limit; (*start)++ ) {
4799 value += buffer[*start] - '0';
4801 if ( !valid ) return -1;
4805 static int airo_config_commit(struct net_device *dev,
4806 struct iw_request_info *info, void *zwrq,
4809 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4810 struct proc_data *data = file->private_data;
4811 struct proc_dir_entry *dp = PDE(inode);
4812 struct net_device *dev = dp->data;
4813 struct airo_info *ai = dev->priv;
4816 if ( !data->writelen ) return;
4818 readConfigRid(ai, 1);
4819 set_bit (FLAG_COMMIT, &ai->flags);
4821 line = data->wbuffer;
4823 /*** Mode processing */
4824 if ( !strncmp( line, "Mode: ", 6 ) ) {
4826 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4827 set_bit (FLAG_RESET, &ai->flags);
4828 ai->config.rmode &= 0xfe00;
4829 clear_bit (FLAG_802_11, &ai->flags);
4830 ai->config.opmode &= 0xFF00;
4831 ai->config.scanMode = SCANMODE_ACTIVE;
4832 if ( line[0] == 'a' ) {
4833 ai->config.opmode |= 0;
4835 ai->config.opmode |= 1;
4836 if ( line[0] == 'r' ) {
4837 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4838 ai->config.scanMode = SCANMODE_PASSIVE;
4839 set_bit (FLAG_802_11, &ai->flags);
4840 } else if ( line[0] == 'y' ) {
4841 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4842 ai->config.scanMode = SCANMODE_PASSIVE;
4843 set_bit (FLAG_802_11, &ai->flags);
4844 } else if ( line[0] == 'l' )
4845 ai->config.rmode |= RXMODE_LANMON;
4847 set_bit (FLAG_COMMIT, &ai->flags);
4850 /*** Radio status */
4851 else if (!strncmp(line,"Radio: ", 7)) {
4853 if (!strncmp(line,"off",3)) {
4854 set_bit (FLAG_RADIO_OFF, &ai->flags);
4856 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4859 /*** NodeName processing */
4860 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4864 memset( ai->config.nodeName, 0, 16 );
4865 /* Do the name, assume a space between the mode and node name */
4866 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4867 ai->config.nodeName[j] = line[j];
4869 set_bit (FLAG_COMMIT, &ai->flags);
4872 /*** PowerMode processing */
4873 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4875 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4876 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4877 set_bit (FLAG_COMMIT, &ai->flags);
4878 } else if ( !strncmp( line, "PSP", 3 ) ) {
4879 ai->config.powerSaveMode = POWERSAVE_PSP;
4880 set_bit (FLAG_COMMIT, &ai->flags);
4882 ai->config.powerSaveMode = POWERSAVE_CAM;
4883 set_bit (FLAG_COMMIT, &ai->flags);
4885 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4886 int v, i = 0, k = 0; /* i is index into line,
4887 k is index to rates */
4890 while((v = get_dec_u16(line, &i, 3))!=-1) {
4891 ai->config.rates[k++] = (u8)v;
4895 set_bit (FLAG_COMMIT, &ai->flags);
4896 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4899 v = get_dec_u16(line, &i, i+3);
4901 ai->config.channelSet = (u16)v;
4902 set_bit (FLAG_COMMIT, &ai->flags);
4904 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4907 v = get_dec_u16(line, &i, i+3);
4909 ai->config.txPower = (u16)v;
4910 set_bit (FLAG_COMMIT, &ai->flags);
4912 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4916 ai->config.authType = (u16)AUTH_SHAREDKEY;
4919 ai->config.authType = (u16)AUTH_ENCRYPT;
4922 ai->config.authType = (u16)AUTH_OPEN;
4925 set_bit (FLAG_COMMIT, &ai->flags);
4926 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4930 v = get_dec_u16(line, &i, 3);
4931 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4932 ai->config.longRetryLimit = (u16)v;
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4938 v = get_dec_u16(line, &i, 3);
4939 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4940 ai->config.shortRetryLimit = (u16)v;
4941 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4946 v = get_dec_u16(line, &i, 4);
4947 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4948 ai->config.rtsThres = (u16)v;
4949 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4954 v = get_dec_u16(line, &i, 5);
4956 ai->config.txLifetime = (u16)v;
4957 set_bit (FLAG_COMMIT, &ai->flags);
4958 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4962 v = get_dec_u16(line, &i, 5);
4964 ai->config.rxLifetime = (u16)v;
4965 set_bit (FLAG_COMMIT, &ai->flags);
4966 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4967 ai->config.txDiversity =
4968 (line[13]=='l') ? 1 :
4969 ((line[13]=='r')? 2: 3);
4970 set_bit (FLAG_COMMIT, &ai->flags);
4971 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4972 ai->config.rxDiversity =
4973 (line[13]=='l') ? 1 :
4974 ((line[13]=='r')? 2: 3);
4975 set_bit (FLAG_COMMIT, &ai->flags);
4976 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4980 v = get_dec_u16(line, &i, 4);
4981 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4982 v = v & 0xfffe; /* Make sure its even */
4983 ai->config.fragThresh = (u16)v;
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if (!strncmp(line, "Modulation: ", 12)) {
4988 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4990 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4991 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4993 } else if (!strncmp(line, "Preamble: ", 10)) {
4996 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4998 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4999 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5002 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5004 while( line[0] && line[0] != '\n' ) line++;
5005 if ( line[0] ) line++;
5007 airo_config_commit(dev, NULL, NULL, NULL);
5010 static char *get_rmode(u16 mode) {
5012 case RXMODE_RFMON: return "rfmon";
5013 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5014 case RXMODE_LANMON: return "lanmon";
5019 static int proc_config_open( struct inode *inode, struct file *file ) {
5020 struct proc_data *data;
5021 struct proc_dir_entry *dp = PDE(inode);
5022 struct net_device *dev = dp->data;
5023 struct airo_info *ai = dev->priv;
5026 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5028 data = (struct proc_data *)file->private_data;
5029 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5030 kfree (file->private_data);
5033 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5034 kfree (data->rbuffer);
5035 kfree (file->private_data);
5038 data->maxwritelen = 2048;
5039 data->on_close = proc_config_on_close;
5041 readConfigRid(ai, 1);
5043 i = sprintf( data->rbuffer,
5048 "DataRates: %d %d %d %d %d %d %d %d\n"
5051 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5052 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5053 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5054 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5055 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5056 ai->config.nodeName,
5057 ai->config.powerSaveMode == 0 ? "CAM" :
5058 ai->config.powerSaveMode == 1 ? "PSP" :
5059 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5060 (int)ai->config.rates[0],
5061 (int)ai->config.rates[1],
5062 (int)ai->config.rates[2],
5063 (int)ai->config.rates[3],
5064 (int)ai->config.rates[4],
5065 (int)ai->config.rates[5],
5066 (int)ai->config.rates[6],
5067 (int)ai->config.rates[7],
5068 (int)ai->config.channelSet,
5069 (int)ai->config.txPower
5071 sprintf( data->rbuffer + i,
5072 "LongRetryLimit: %d\n"
5073 "ShortRetryLimit: %d\n"
5074 "RTSThreshold: %d\n"
5075 "TXMSDULifetime: %d\n"
5076 "RXMSDULifetime: %d\n"
5079 "FragThreshold: %d\n"
5083 (int)ai->config.longRetryLimit,
5084 (int)ai->config.shortRetryLimit,
5085 (int)ai->config.rtsThres,
5086 (int)ai->config.txLifetime,
5087 (int)ai->config.rxLifetime,
5088 ai->config.txDiversity == 1 ? "left" :
5089 ai->config.txDiversity == 2 ? "right" : "both",
5090 ai->config.rxDiversity == 1 ? "left" :
5091 ai->config.rxDiversity == 2 ? "right" : "both",
5092 (int)ai->config.fragThresh,
5093 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5094 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5095 ai->config.modulation == 0 ? "default" :
5096 ai->config.modulation == MOD_CCK ? "cck" :
5097 ai->config.modulation == MOD_MOK ? "mok" : "error",
5098 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5099 ai->config.preamble == PREAMBLE_LONG ? "long" :
5100 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5102 data->readlen = strlen( data->rbuffer );
5106 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;
5116 if ( !data->writelen ) return;
5118 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5120 for( i = 0; i < 3; i++ ) {
5122 for( j = 0; j+offset < data->writelen && j < 32 &&
5123 data->wbuffer[offset+j] != '\n'; j++ ) {
5124 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5126 if ( j == 0 ) break;
5127 SSID_rid.ssids[i].len = j;
5129 while( data->wbuffer[offset] != '\n' &&
5130 offset < data->writelen ) offset++;
5134 SSID_rid.len = sizeof(SSID_rid);
5136 writeSsidRid(ai, &SSID_rid, 1);
5137 enable_MAC(ai, &rsp, 1);
5140 static inline u8 hexVal(char c) {
5141 if (c>='0' && c<='9') return c -= '0';
5142 if (c>='a' && c<='f') return c -= 'a'-10;
5143 if (c>='A' && c<='F') return c -= 'A'-10;
5147 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5148 struct proc_data *data = (struct proc_data *)file->private_data;
5149 struct proc_dir_entry *dp = PDE(inode);
5150 struct net_device *dev = dp->data;
5151 struct airo_info *ai = dev->priv;
5152 APListRid APList_rid;
5156 if ( !data->writelen ) return;
5158 memset( &APList_rid, 0, sizeof(APList_rid) );
5159 APList_rid.len = sizeof(APList_rid);
5161 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5163 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5166 APList_rid.ap[i][j/3]=
5167 hexVal(data->wbuffer[j+i*6*3])<<4;
5170 APList_rid.ap[i][j/3]|=
5171 hexVal(data->wbuffer[j+i*6*3]);
5177 writeAPListRid(ai, &APList_rid, 1);
5178 enable_MAC(ai, &rsp, 1);
5181 /* This function wraps PC4500_writerid with a MAC disable */
5182 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5183 int len, int dummy ) {
5188 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5189 enable_MAC(ai, &rsp, 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 };
5222 memset(&wkr, 0, sizeof(wkr));
5224 // We are selecting which key to use
5225 wkr.len = sizeof(wkr);
5226 wkr.kindex = 0xffff;
5227 wkr.mac[0] = (char)index;
5228 if (perm) ai->defindex = (char)index;
5230 // We are actually setting the key
5231 wkr.len = sizeof(wkr);
5234 memcpy( wkr.key, key, keylen );
5235 memcpy( wkr.mac, macaddr, ETH_ALEN );
5238 if (perm) disable_MAC(ai, lock);
5239 writeWepKeyRid(ai, &wkr, perm, lock);
5240 if (perm) enable_MAC(ai, &rsp, lock);
5244 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5245 struct proc_data *data;
5246 struct proc_dir_entry *dp = PDE(inode);
5247 struct net_device *dev = dp->data;
5248 struct airo_info *ai = dev->priv;
5254 memset(key, 0, sizeof(key));
5256 data = (struct proc_data *)file->private_data;
5257 if ( !data->writelen ) return;
5259 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5260 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5261 index = data->wbuffer[0] - '0';
5262 if (data->wbuffer[1] == '\n') {
5263 set_wep_key(ai, index, NULL, 0, 1, 1);
5268 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5272 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5275 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5278 key[i/3] |= hexVal(data->wbuffer[i+j]);
5282 set_wep_key(ai, index, key, i/3, 1, 1);
5285 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5286 struct proc_data *data;
5287 struct proc_dir_entry *dp = PDE(inode);
5288 struct net_device *dev = dp->data;
5289 struct airo_info *ai = dev->priv;
5296 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5298 memset(&wkr, 0, sizeof(wkr));
5299 data = (struct proc_data *)file->private_data;
5300 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5301 kfree (file->private_data);
5305 data->maxwritelen = 80;
5306 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5307 kfree (data->rbuffer);
5308 kfree (file->private_data);
5311 data->on_close = proc_wepkey_on_close;
5313 ptr = data->rbuffer;
5314 strcpy(ptr, "No wep keys\n");
5315 rc = readWepKeyRid(ai, &wkr, 1, 1);
5316 if (rc == SUCCESS) do {
5317 lastindex = wkr.kindex;
5318 if (wkr.kindex == 0xffff) {
5319 j += sprintf(ptr+j, "Tx key = %d\n",
5322 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5323 (int)wkr.kindex, (int)wkr.klen);
5325 readWepKeyRid(ai, &wkr, 0, 1);
5326 } while((lastindex != wkr.kindex) && (j < 180-30));
5328 data->readlen = strlen( data->rbuffer );
5332 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 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5351 kfree (data->rbuffer);
5352 kfree (file->private_data);
5355 data->on_close = proc_SSID_on_close;
5357 readSsidRid(ai, &SSID_rid);
5358 ptr = data->rbuffer;
5359 for( i = 0; i < 3; i++ ) {
5361 if ( !SSID_rid.ssids[i].len ) break;
5362 for( j = 0; j < 32 &&
5363 j < SSID_rid.ssids[i].len &&
5364 SSID_rid.ssids[i].ssid[j]; j++ ) {
5365 *ptr++ = SSID_rid.ssids[i].ssid[j];
5370 data->readlen = strlen( data->rbuffer );
5374 static int proc_APList_open( struct inode *inode, struct file *file ) {
5375 struct proc_data *data;
5376 struct proc_dir_entry *dp = PDE(inode);
5377 struct net_device *dev = dp->data;
5378 struct airo_info *ai = dev->priv;
5381 APListRid APList_rid;
5383 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5385 data = (struct proc_data *)file->private_data;
5386 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5387 kfree (file->private_data);
5391 data->maxwritelen = 4*6*3;
5392 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5393 kfree (data->rbuffer);
5394 kfree (file->private_data);
5397 data->on_close = proc_APList_on_close;
5399 readAPListRid(ai, &APList_rid);
5400 ptr = data->rbuffer;
5401 for( i = 0; i < 4; i++ ) {
5402 // We end when we find a zero MAC
5403 if ( !*(int*)APList_rid.ap[i] &&
5404 !*(int*)&APList_rid.ap[i][2]) break;
5405 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5406 (int)APList_rid.ap[i][0],
5407 (int)APList_rid.ap[i][1],
5408 (int)APList_rid.ap[i][2],
5409 (int)APList_rid.ap[i][3],
5410 (int)APList_rid.ap[i][4],
5411 (int)APList_rid.ap[i][5]);
5413 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5416 data->readlen = strlen( data->rbuffer );
5420 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5421 struct proc_data *data;
5422 struct proc_dir_entry *dp = PDE(inode);
5423 struct net_device *dev = dp->data;
5424 struct airo_info *ai = dev->priv;
5426 BSSListRid BSSList_rid;
5428 /* If doLoseSync is not 1, we won't do a Lose Sync */
5429 int doLoseSync = -1;
5431 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5433 data = (struct proc_data *)file->private_data;
5434 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5435 kfree (file->private_data);
5439 data->maxwritelen = 0;
5440 data->wbuffer = NULL;
5441 data->on_close = NULL;
5443 if (file->f_mode & FMODE_WRITE) {
5444 if (!(file->f_mode & FMODE_READ)) {
5448 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5449 memset(&cmd, 0, sizeof(cmd));
5450 cmd.cmd=CMD_LISTBSS;
5451 if (down_interruptible(&ai->sem))
5452 return -ERESTARTSYS;
5453 issuecommand(ai, &cmd, &rsp);
5460 ptr = data->rbuffer;
5461 /* There is a race condition here if there are concurrent opens.
5462 Since it is a rare condition, we'll just live with it, otherwise
5463 we have to add a spin lock... */
5464 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5465 while(rc == 0 && BSSList_rid.index != 0xffff) {
5466 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5467 (int)BSSList_rid.bssid[0],
5468 (int)BSSList_rid.bssid[1],
5469 (int)BSSList_rid.bssid[2],
5470 (int)BSSList_rid.bssid[3],
5471 (int)BSSList_rid.bssid[4],
5472 (int)BSSList_rid.bssid[5],
5473 (int)BSSList_rid.ssidLen,
5475 (int)BSSList_rid.dBm);
5476 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5477 (int)BSSList_rid.dsChannel,
5478 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5479 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5480 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5481 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5482 rc = readBSSListRid(ai, 0, &BSSList_rid);
5485 data->readlen = strlen( data->rbuffer );
5489 static int proc_close( struct inode *inode, struct file *file )
5491 struct proc_data *data = file->private_data;
5493 if (data->on_close != NULL)
5494 data->on_close(inode, file);
5495 kfree(data->rbuffer);
5496 kfree(data->wbuffer);
5501 static struct net_device_list {
5502 struct net_device *dev;
5503 struct net_device_list *next;
5506 /* Since the card doesn't automatically switch to the right WEP mode,
5507 we will make it do it. If the card isn't associated, every secs we
5508 will switch WEP modes to see if that will help. If the card is
5509 associated we will check every minute to see if anything has
5511 static void timer_func( struct net_device *dev ) {
5512 struct airo_info *apriv = dev->priv;
5515 /* We don't have a link so try changing the authtype */
5516 readConfigRid(apriv, 0);
5517 disable_MAC(apriv, 0);
5518 switch(apriv->config.authType) {
5520 /* So drop to OPEN */
5521 apriv->config.authType = AUTH_OPEN;
5523 case AUTH_SHAREDKEY:
5524 if (apriv->keyindex < auto_wep) {
5525 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5526 apriv->config.authType = AUTH_SHAREDKEY;
5529 /* Drop to ENCRYPT */
5530 apriv->keyindex = 0;
5531 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5532 apriv->config.authType = AUTH_ENCRYPT;
5535 default: /* We'll escalate to SHAREDKEY */
5536 apriv->config.authType = AUTH_SHAREDKEY;
5538 set_bit (FLAG_COMMIT, &apriv->flags);
5539 writeConfigRid(apriv, 0);
5540 enable_MAC(apriv, &rsp, 0);
5543 /* Schedule check to see if the change worked */
5544 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5545 apriv->expires = RUN_AT(HZ*3);
5548 static int add_airo_dev( struct net_device *dev ) {
5549 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5554 node->next = airo_devices;
5555 airo_devices = node;
5560 static void del_airo_dev( struct net_device *dev ) {
5561 struct net_device_list **p = &airo_devices;
5562 while( *p && ( (*p)->dev != dev ) )
5564 if ( *p && (*p)->dev == dev )
5569 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5570 const struct pci_device_id *pent)
5572 struct net_device *dev;
5574 if (pci_enable_device(pdev))
5576 pci_set_master(pdev);
5578 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5579 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5581 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5585 pci_set_drvdata(pdev, dev);
5589 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5593 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5595 struct net_device *dev = pci_get_drvdata(pdev);
5596 struct airo_info *ai = dev->priv;
5600 if ((ai->APList == NULL) &&
5601 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5603 if ((ai->SSID == NULL) &&
5604 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5606 readAPListRid(ai, ai->APList);
5607 readSsidRid(ai, ai->SSID);
5608 memset(&cmd, 0, sizeof(cmd));
5609 /* the lock will be released at the end of the resume callback */
5610 if (down_interruptible(&ai->sem))
5613 netif_device_detach(dev);
5616 issuecommand(ai, &cmd, &rsp);
5618 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5619 pci_save_state(pdev);
5620 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5623 static int airo_pci_resume(struct pci_dev *pdev)
5625 struct net_device *dev = pci_get_drvdata(pdev);
5626 struct airo_info *ai = dev->priv;
5628 pci_power_t prev_state = pdev->current_state;
5630 pci_set_power_state(pdev, PCI_D0);
5631 pci_restore_state(pdev);
5632 pci_enable_wake(pdev, PCI_D0, 0);
5634 if (prev_state != PCI_D1) {
5636 mpi_init_descriptors(ai);
5637 setup_card(ai, dev->dev_addr, 0);
5638 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5639 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5641 OUT4500(ai, EVACK, EV_AWAKEN);
5642 OUT4500(ai, EVACK, EV_AWAKEN);
5646 set_bit (FLAG_COMMIT, &ai->flags);
5650 writeSsidRid(ai, ai->SSID, 0);
5655 writeAPListRid(ai, ai->APList, 0);
5659 writeConfigRid(ai, 0);
5660 enable_MAC(ai, &rsp, 0);
5661 ai->power = PMSG_ON;
5662 netif_device_attach(dev);
5663 netif_wake_queue(dev);
5664 enable_interrupts(ai);
5670 static int __init airo_init_module( void )
5672 int i, have_isa_dev = 0;
5674 airo_entry = create_proc_entry("aironet",
5675 S_IFDIR | airo_perm,
5677 airo_entry->uid = proc_uid;
5678 airo_entry->gid = proc_gid;
5680 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5681 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5682 "io=0x%x", irq[i], io[i] );
5683 if (init_airo_card( irq[i], io[i], 0, NULL ))
5688 airo_print_info("", "Probing for PCI adapters");
5689 pci_register_driver(&airo_driver);
5690 airo_print_info("", "Finished probing for PCI adapters");
5693 /* Always exit with success, as we are a library module
5694 * as well as a driver module
5699 static void __exit airo_cleanup_module( void )
5701 while( airo_devices ) {
5702 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5703 stop_airo_card( airo_devices->dev, 1 );
5706 pci_unregister_driver(&airo_driver);
5708 remove_proc_entry("aironet", proc_root_driver);
5712 * Initial Wireless Extension code for Aironet driver by :
5713 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5714 * Conversion to new driver API by :
5715 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5716 * Javier also did a good amount of work here, adding some new extensions
5717 * and fixing my code. Let's just say that without him this code just
5718 * would not work at all... - Jean II
5721 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5726 return (0x100 - rssi_rid[rssi].rssidBm);
5729 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5736 for( i = 0; i < 256; i++ )
5737 if (rssi_rid[i].rssidBm == dbm)
5738 return rssi_rid[i].rssipct;
5744 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5748 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5749 if (memcmp(cap_rid->prodName, "350", 3))
5750 if (status_rid->signalQuality > 0x20)
5753 quality = 0x20 - status_rid->signalQuality;
5755 if (status_rid->signalQuality > 0xb0)
5757 else if (status_rid->signalQuality < 0x10)
5760 quality = 0xb0 - status_rid->signalQuality;
5765 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5766 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5768 /*------------------------------------------------------------------*/
5770 * Wireless Handler : get protocol name
5772 static int airo_get_name(struct net_device *dev,
5773 struct iw_request_info *info,
5777 strcpy(cwrq, "IEEE 802.11-DS");
5781 /*------------------------------------------------------------------*/
5783 * Wireless Handler : set frequency
5785 static int airo_set_freq(struct net_device *dev,
5786 struct iw_request_info *info,
5787 struct iw_freq *fwrq,
5790 struct airo_info *local = dev->priv;
5791 int rc = -EINPROGRESS; /* Call commit handler */
5793 /* If setting by frequency, convert to a channel */
5794 if((fwrq->e == 1) &&
5795 (fwrq->m >= (int) 2.412e8) &&
5796 (fwrq->m <= (int) 2.487e8)) {
5797 int f = fwrq->m / 100000;
5799 while((c < 14) && (f != frequency_list[c]))
5801 /* Hack to fall through... */
5805 /* Setting by channel number */
5806 if((fwrq->m > 1000) || (fwrq->e > 0))
5809 int channel = fwrq->m;
5810 /* We should do a better check than that,
5811 * based on the card capability !!! */
5812 if((channel < 1) || (channel > 14)) {
5813 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5817 readConfigRid(local, 1);
5818 /* Yes ! We can set it !!! */
5819 local->config.channelSet = (u16) channel;
5820 set_bit (FLAG_COMMIT, &local->flags);
5826 /*------------------------------------------------------------------*/
5828 * Wireless Handler : get frequency
5830 static int airo_get_freq(struct net_device *dev,
5831 struct iw_request_info *info,
5832 struct iw_freq *fwrq,
5835 struct airo_info *local = dev->priv;
5836 StatusRid status_rid; /* Card status info */
5839 readConfigRid(local, 1);
5840 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5841 status_rid.channel = local->config.channelSet;
5843 readStatusRid(local, &status_rid, 1);
5845 ch = (int)status_rid.channel;
5846 if((ch > 0) && (ch < 15)) {
5847 fwrq->m = frequency_list[ch - 1] * 100000;
5857 /*------------------------------------------------------------------*/
5859 * Wireless Handler : set ESSID
5861 static int airo_set_essid(struct net_device *dev,
5862 struct iw_request_info *info,
5863 struct iw_point *dwrq,
5866 struct airo_info *local = dev->priv;
5868 SsidRid SSID_rid; /* SSIDs */
5870 /* Reload the list of current SSID */
5871 readSsidRid(local, &SSID_rid);
5873 /* Check if we asked for `any' */
5874 if(dwrq->flags == 0) {
5875 /* Just send an empty SSID list */
5876 memset(&SSID_rid, 0, sizeof(SSID_rid));
5878 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5880 /* Check the size of the string */
5881 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5884 /* Check if index is valid */
5885 if((index < 0) || (index >= 4)) {
5890 memset(SSID_rid.ssids[index].ssid, 0,
5891 sizeof(SSID_rid.ssids[index].ssid));
5892 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5893 SSID_rid.ssids[index].len = dwrq->length - 1;
5895 SSID_rid.len = sizeof(SSID_rid);
5896 /* Write it to the card */
5897 disable_MAC(local, 1);
5898 writeSsidRid(local, &SSID_rid, 1);
5899 enable_MAC(local, &rsp, 1);
5904 /*------------------------------------------------------------------*/
5906 * Wireless Handler : get ESSID
5908 static int airo_get_essid(struct net_device *dev,
5909 struct iw_request_info *info,
5910 struct iw_point *dwrq,
5913 struct airo_info *local = dev->priv;
5914 StatusRid status_rid; /* Card status info */
5916 readStatusRid(local, &status_rid, 1);
5918 /* Note : if dwrq->flags != 0, we should
5919 * get the relevant SSID from the SSID list... */
5921 /* Get the current SSID */
5922 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5923 extra[status_rid.SSIDlen] = '\0';
5924 /* If none, we may want to get the one that was set */
5927 dwrq->length = status_rid.SSIDlen;
5928 dwrq->flags = 1; /* active */
5933 /*------------------------------------------------------------------*/
5935 * Wireless Handler : set AP address
5937 static int airo_set_wap(struct net_device *dev,
5938 struct iw_request_info *info,
5939 struct sockaddr *awrq,
5942 struct airo_info *local = dev->priv;
5945 APListRid APList_rid;
5946 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5947 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5949 if (awrq->sa_family != ARPHRD_ETHER)
5951 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5952 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5953 memset(&cmd, 0, sizeof(cmd));
5954 cmd.cmd=CMD_LOSE_SYNC;
5955 if (down_interruptible(&local->sem))
5956 return -ERESTARTSYS;
5957 issuecommand(local, &cmd, &rsp);
5960 memset(&APList_rid, 0, sizeof(APList_rid));
5961 APList_rid.len = sizeof(APList_rid);
5962 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5963 disable_MAC(local, 1);
5964 writeAPListRid(local, &APList_rid, 1);
5965 enable_MAC(local, &rsp, 1);
5970 /*------------------------------------------------------------------*/
5972 * Wireless Handler : get AP address
5974 static int airo_get_wap(struct net_device *dev,
5975 struct iw_request_info *info,
5976 struct sockaddr *awrq,
5979 struct airo_info *local = dev->priv;
5980 StatusRid status_rid; /* Card status info */
5982 readStatusRid(local, &status_rid, 1);
5984 /* Tentative. This seems to work, wow, I'm lucky !!! */
5985 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5986 awrq->sa_family = ARPHRD_ETHER;
5991 /*------------------------------------------------------------------*/
5993 * Wireless Handler : set Nickname
5995 static int airo_set_nick(struct net_device *dev,
5996 struct iw_request_info *info,
5997 struct iw_point *dwrq,
6000 struct airo_info *local = dev->priv;
6002 /* Check the size of the string */
6003 if(dwrq->length > 16 + 1) {
6006 readConfigRid(local, 1);
6007 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6008 memcpy(local->config.nodeName, extra, dwrq->length);
6009 set_bit (FLAG_COMMIT, &local->flags);
6011 return -EINPROGRESS; /* Call commit handler */
6014 /*------------------------------------------------------------------*/
6016 * Wireless Handler : get Nickname
6018 static int airo_get_nick(struct net_device *dev,
6019 struct iw_request_info *info,
6020 struct iw_point *dwrq,
6023 struct airo_info *local = dev->priv;
6025 readConfigRid(local, 1);
6026 strncpy(extra, local->config.nodeName, 16);
6028 dwrq->length = strlen(extra) + 1;
6033 /*------------------------------------------------------------------*/
6035 * Wireless Handler : set Bit-Rate
6037 static int airo_set_rate(struct net_device *dev,
6038 struct iw_request_info *info,
6039 struct iw_param *vwrq,
6042 struct airo_info *local = dev->priv;
6043 CapabilityRid cap_rid; /* Card capability info */
6047 /* First : get a valid bit rate value */
6048 readCapabilityRid(local, &cap_rid, 1);
6050 /* Which type of value ? */
6051 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6052 /* Setting by rate index */
6053 /* Find value in the magic rate table */
6054 brate = cap_rid.supportedRates[vwrq->value];
6056 /* Setting by frequency value */
6057 u8 normvalue = (u8) (vwrq->value/500000);
6059 /* Check if rate is valid */
6060 for(i = 0 ; i < 8 ; i++) {
6061 if(normvalue == cap_rid.supportedRates[i]) {
6067 /* -1 designed the max rate (mostly auto mode) */
6068 if(vwrq->value == -1) {
6069 /* Get the highest available rate */
6070 for(i = 0 ; i < 8 ; i++) {
6071 if(cap_rid.supportedRates[i] == 0)
6075 brate = cap_rid.supportedRates[i - 1];
6077 /* Check that it is valid */
6082 readConfigRid(local, 1);
6083 /* Now, check if we want a fixed or auto value */
6084 if(vwrq->fixed == 0) {
6085 /* Fill all the rates up to this max rate */
6086 memset(local->config.rates, 0, 8);
6087 for(i = 0 ; i < 8 ; i++) {
6088 local->config.rates[i] = cap_rid.supportedRates[i];
6089 if(local->config.rates[i] == brate)
6094 /* One rate, fixed */
6095 memset(local->config.rates, 0, 8);
6096 local->config.rates[0] = brate;
6098 set_bit (FLAG_COMMIT, &local->flags);
6100 return -EINPROGRESS; /* Call commit handler */
6103 /*------------------------------------------------------------------*/
6105 * Wireless Handler : get Bit-Rate
6107 static int airo_get_rate(struct net_device *dev,
6108 struct iw_request_info *info,
6109 struct iw_param *vwrq,
6112 struct airo_info *local = dev->priv;
6113 StatusRid status_rid; /* Card status info */
6115 readStatusRid(local, &status_rid, 1);
6117 vwrq->value = status_rid.currentXmitRate * 500000;
6118 /* If more than one rate, set auto */
6119 readConfigRid(local, 1);
6120 vwrq->fixed = (local->config.rates[1] == 0);
6125 /*------------------------------------------------------------------*/
6127 * Wireless Handler : set RTS threshold
6129 static int airo_set_rts(struct net_device *dev,
6130 struct iw_request_info *info,
6131 struct iw_param *vwrq,
6134 struct airo_info *local = dev->priv;
6135 int rthr = vwrq->value;
6138 rthr = AIRO_DEF_MTU;
6139 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6142 readConfigRid(local, 1);
6143 local->config.rtsThres = rthr;
6144 set_bit (FLAG_COMMIT, &local->flags);
6146 return -EINPROGRESS; /* Call commit handler */
6149 /*------------------------------------------------------------------*/
6151 * Wireless Handler : get RTS threshold
6153 static int airo_get_rts(struct net_device *dev,
6154 struct iw_request_info *info,
6155 struct iw_param *vwrq,
6158 struct airo_info *local = dev->priv;
6160 readConfigRid(local, 1);
6161 vwrq->value = local->config.rtsThres;
6162 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6168 /*------------------------------------------------------------------*/
6170 * Wireless Handler : set Fragmentation threshold
6172 static int airo_set_frag(struct net_device *dev,
6173 struct iw_request_info *info,
6174 struct iw_param *vwrq,
6177 struct airo_info *local = dev->priv;
6178 int fthr = vwrq->value;
6181 fthr = AIRO_DEF_MTU;
6182 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6185 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6186 readConfigRid(local, 1);
6187 local->config.fragThresh = (u16)fthr;
6188 set_bit (FLAG_COMMIT, &local->flags);
6190 return -EINPROGRESS; /* Call commit handler */
6193 /*------------------------------------------------------------------*/
6195 * Wireless Handler : get Fragmentation threshold
6197 static int airo_get_frag(struct net_device *dev,
6198 struct iw_request_info *info,
6199 struct iw_param *vwrq,
6202 struct airo_info *local = dev->priv;
6204 readConfigRid(local, 1);
6205 vwrq->value = local->config.fragThresh;
6206 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6212 /*------------------------------------------------------------------*/
6214 * Wireless Handler : set Mode of Operation
6216 static int airo_set_mode(struct net_device *dev,
6217 struct iw_request_info *info,
6221 struct airo_info *local = dev->priv;
6224 readConfigRid(local, 1);
6225 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6230 local->config.opmode &= 0xFF00;
6231 local->config.opmode |= MODE_STA_IBSS;
6232 local->config.rmode &= 0xfe00;
6233 local->config.scanMode = SCANMODE_ACTIVE;
6234 clear_bit (FLAG_802_11, &local->flags);
6237 local->config.opmode &= 0xFF00;
6238 local->config.opmode |= MODE_STA_ESS;
6239 local->config.rmode &= 0xfe00;
6240 local->config.scanMode = SCANMODE_ACTIVE;
6241 clear_bit (FLAG_802_11, &local->flags);
6243 case IW_MODE_MASTER:
6244 local->config.opmode &= 0xFF00;
6245 local->config.opmode |= MODE_AP;
6246 local->config.rmode &= 0xfe00;
6247 local->config.scanMode = SCANMODE_ACTIVE;
6248 clear_bit (FLAG_802_11, &local->flags);
6250 case IW_MODE_REPEAT:
6251 local->config.opmode &= 0xFF00;
6252 local->config.opmode |= MODE_AP_RPTR;
6253 local->config.rmode &= 0xfe00;
6254 local->config.scanMode = SCANMODE_ACTIVE;
6255 clear_bit (FLAG_802_11, &local->flags);
6257 case IW_MODE_MONITOR:
6258 local->config.opmode &= 0xFF00;
6259 local->config.opmode |= MODE_STA_ESS;
6260 local->config.rmode &= 0xfe00;
6261 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6262 local->config.scanMode = SCANMODE_PASSIVE;
6263 set_bit (FLAG_802_11, &local->flags);
6269 set_bit (FLAG_RESET, &local->flags);
6270 set_bit (FLAG_COMMIT, &local->flags);
6272 return -EINPROGRESS; /* Call commit handler */
6275 /*------------------------------------------------------------------*/
6277 * Wireless Handler : get Mode of Operation
6279 static int airo_get_mode(struct net_device *dev,
6280 struct iw_request_info *info,
6284 struct airo_info *local = dev->priv;
6286 readConfigRid(local, 1);
6287 /* If not managed, assume it's ad-hoc */
6288 switch (local->config.opmode & 0xFF) {
6290 *uwrq = IW_MODE_INFRA;
6293 *uwrq = IW_MODE_MASTER;
6296 *uwrq = IW_MODE_REPEAT;
6299 *uwrq = IW_MODE_ADHOC;
6305 /*------------------------------------------------------------------*/
6307 * Wireless Handler : set Encryption Key
6309 static int airo_set_encode(struct net_device *dev,
6310 struct iw_request_info *info,
6311 struct iw_point *dwrq,
6314 struct airo_info *local = dev->priv;
6315 CapabilityRid cap_rid; /* Card capability info */
6316 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6317 u16 currentAuthType = local->config.authType;
6319 /* Is WEP supported ? */
6320 readCapabilityRid(local, &cap_rid, 1);
6321 /* Older firmware doesn't support this...
6322 if(!(cap_rid.softCap & 2)) {
6325 readConfigRid(local, 1);
6327 /* Basic checking: do we have a key to set ?
6328 * Note : with the new API, it's impossible to get a NULL pointer.
6329 * Therefore, we need to check a key size == 0 instead.
6330 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6331 * when no key is present (only change flags), but older versions
6332 * don't do it. - Jean II */
6333 if (dwrq->length > 0) {
6335 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6336 int current_index = get_wep_key(local, 0xffff);
6337 /* Check the size of the key */
6338 if (dwrq->length > MAX_KEY_SIZE) {
6341 /* Check the index (none -> use current) */
6342 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6343 index = current_index;
6344 /* Set the length */
6345 if (dwrq->length > MIN_KEY_SIZE)
6346 key.len = MAX_KEY_SIZE;
6348 if (dwrq->length > 0)
6349 key.len = MIN_KEY_SIZE;
6351 /* Disable the key */
6353 /* Check if the key is not marked as invalid */
6354 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6356 memset(key.key, 0, MAX_KEY_SIZE);
6357 /* Copy the key in the driver */
6358 memcpy(key.key, extra, dwrq->length);
6359 /* Send the key to the card */
6360 set_wep_key(local, index, key.key, key.len, perm, 1);
6362 /* WE specify that if a valid key is set, encryption
6363 * should be enabled (user may turn it off later)
6364 * This is also how "iwconfig ethX key on" works */
6365 if((index == current_index) && (key.len > 0) &&
6366 (local->config.authType == AUTH_OPEN)) {
6367 local->config.authType = AUTH_ENCRYPT;
6370 /* Do we want to just set the transmit key index ? */
6371 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6372 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6373 set_wep_key(local, index, NULL, 0, perm, 1);
6375 /* Don't complain if only change the mode */
6376 if(!dwrq->flags & IW_ENCODE_MODE) {
6380 /* Read the flags */
6381 if(dwrq->flags & IW_ENCODE_DISABLED)
6382 local->config.authType = AUTH_OPEN; // disable encryption
6383 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6384 local->config.authType = AUTH_SHAREDKEY; // Only Both
6385 if(dwrq->flags & IW_ENCODE_OPEN)
6386 local->config.authType = AUTH_ENCRYPT; // Only Wep
6387 /* Commit the changes to flags if needed */
6388 if (local->config.authType != currentAuthType)
6389 set_bit (FLAG_COMMIT, &local->flags);
6390 return -EINPROGRESS; /* Call commit handler */
6393 /*------------------------------------------------------------------*/
6395 * Wireless Handler : get Encryption Key
6397 static int airo_get_encode(struct net_device *dev,
6398 struct iw_request_info *info,
6399 struct iw_point *dwrq,
6402 struct airo_info *local = dev->priv;
6403 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6404 CapabilityRid cap_rid; /* Card capability info */
6406 /* Is it supported ? */
6407 readCapabilityRid(local, &cap_rid, 1);
6408 if(!(cap_rid.softCap & 2)) {
6411 readConfigRid(local, 1);
6412 /* Check encryption mode */
6413 switch(local->config.authType) {
6415 dwrq->flags = IW_ENCODE_OPEN;
6417 case AUTH_SHAREDKEY:
6418 dwrq->flags = IW_ENCODE_RESTRICTED;
6422 dwrq->flags = IW_ENCODE_DISABLED;
6425 /* We can't return the key, so set the proper flag and return zero */
6426 dwrq->flags |= IW_ENCODE_NOKEY;
6427 memset(extra, 0, 16);
6429 /* Which key do we want ? -1 -> tx index */
6430 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6431 index = get_wep_key(local, 0xffff);
6432 dwrq->flags |= index + 1;
6433 /* Copy the key to the user buffer */
6434 dwrq->length = get_wep_key(local, index);
6435 if (dwrq->length > 16) {
6441 /*------------------------------------------------------------------*/
6443 * Wireless Handler : set extended Encryption parameters
6445 static int airo_set_encodeext(struct net_device *dev,
6446 struct iw_request_info *info,
6447 union iwreq_data *wrqu,
6450 struct airo_info *local = dev->priv;
6451 struct iw_point *encoding = &wrqu->encoding;
6452 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6453 CapabilityRid cap_rid; /* Card capability info */
6454 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6455 u16 currentAuthType = local->config.authType;
6456 int idx, key_len, alg = ext->alg, set_key = 1;
6459 /* Is WEP supported ? */
6460 readCapabilityRid(local, &cap_rid, 1);
6461 /* Older firmware doesn't support this...
6462 if(!(cap_rid.softCap & 2)) {
6465 readConfigRid(local, 1);
6467 /* Determine and validate the key index */
6468 idx = encoding->flags & IW_ENCODE_INDEX;
6470 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6474 idx = get_wep_key(local, 0xffff);
6476 if (encoding->flags & IW_ENCODE_DISABLED)
6477 alg = IW_ENCODE_ALG_NONE;
6479 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6480 /* Only set transmit key index here, actual
6481 * key is set below if needed.
6483 set_wep_key(local, idx, NULL, 0, perm, 1);
6484 set_key = ext->key_len > 0 ? 1 : 0;
6488 /* Set the requested key first */
6489 memset(key.key, 0, MAX_KEY_SIZE);
6491 case IW_ENCODE_ALG_NONE:
6494 case IW_ENCODE_ALG_WEP:
6495 if (ext->key_len > MIN_KEY_SIZE) {
6496 key.len = MAX_KEY_SIZE;
6497 } else if (ext->key_len > 0) {
6498 key.len = MIN_KEY_SIZE;
6502 key_len = min (ext->key_len, key.len);
6503 memcpy(key.key, ext->key, key_len);
6508 /* Send the key to the card */
6509 set_wep_key(local, idx, key.key, key.len, perm, 1);
6512 /* Read the flags */
6513 if(encoding->flags & IW_ENCODE_DISABLED)
6514 local->config.authType = AUTH_OPEN; // disable encryption
6515 if(encoding->flags & IW_ENCODE_RESTRICTED)
6516 local->config.authType = AUTH_SHAREDKEY; // Only Both
6517 if(encoding->flags & IW_ENCODE_OPEN)
6518 local->config.authType = AUTH_ENCRYPT; // Only Wep
6519 /* Commit the changes to flags if needed */
6520 if (local->config.authType != currentAuthType)
6521 set_bit (FLAG_COMMIT, &local->flags);
6523 return -EINPROGRESS;
6527 /*------------------------------------------------------------------*/
6529 * Wireless Handler : get extended Encryption parameters
6531 static int airo_get_encodeext(struct net_device *dev,
6532 struct iw_request_info *info,
6533 union iwreq_data *wrqu,
6536 struct airo_info *local = dev->priv;
6537 struct iw_point *encoding = &wrqu->encoding;
6538 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6539 CapabilityRid cap_rid; /* Card capability info */
6540 int idx, max_key_len;
6542 /* Is it supported ? */
6543 readCapabilityRid(local, &cap_rid, 1);
6544 if(!(cap_rid.softCap & 2)) {
6547 readConfigRid(local, 1);
6549 max_key_len = encoding->length - sizeof(*ext);
6550 if (max_key_len < 0)
6553 idx = encoding->flags & IW_ENCODE_INDEX;
6555 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6559 idx = get_wep_key(local, 0xffff);
6561 encoding->flags = idx + 1;
6562 memset(ext, 0, sizeof(*ext));
6564 /* Check encryption mode */
6565 switch(local->config.authType) {
6567 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6569 case AUTH_SHAREDKEY:
6570 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6574 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6577 /* We can't return the key, so set the proper flag and return zero */
6578 encoding->flags |= IW_ENCODE_NOKEY;
6579 memset(extra, 0, 16);
6581 /* Copy the key to the user buffer */
6582 ext->key_len = get_wep_key(local, idx);
6583 if (ext->key_len > 16) {
6591 /*------------------------------------------------------------------*/
6593 * Wireless Handler : set extended authentication parameters
6595 static int airo_set_auth(struct net_device *dev,
6596 struct iw_request_info *info,
6597 union iwreq_data *wrqu, char *extra)
6599 struct airo_info *local = dev->priv;
6600 struct iw_param *param = &wrqu->param;
6601 u16 currentAuthType = local->config.authType;
6603 switch (param->flags & IW_AUTH_INDEX) {
6604 case IW_AUTH_WPA_VERSION:
6605 case IW_AUTH_CIPHER_PAIRWISE:
6606 case IW_AUTH_CIPHER_GROUP:
6607 case IW_AUTH_KEY_MGMT:
6608 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6609 case IW_AUTH_PRIVACY_INVOKED:
6611 * airo does not use these parameters
6615 case IW_AUTH_DROP_UNENCRYPTED:
6617 /* Only change auth type if unencrypted */
6618 if (currentAuthType == AUTH_OPEN)
6619 local->config.authType = AUTH_ENCRYPT;
6621 local->config.authType = AUTH_OPEN;
6624 /* Commit the changes to flags if needed */
6625 if (local->config.authType != currentAuthType)
6626 set_bit (FLAG_COMMIT, &local->flags);
6629 case IW_AUTH_80211_AUTH_ALG: {
6630 /* FIXME: What about AUTH_OPEN? This API seems to
6631 * disallow setting our auth to AUTH_OPEN.
6633 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6634 local->config.authType = AUTH_SHAREDKEY;
6635 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6636 local->config.authType = AUTH_ENCRYPT;
6641 /* Commit the changes to flags if needed */
6642 if (local->config.authType != currentAuthType)
6643 set_bit (FLAG_COMMIT, &local->flags);
6646 case IW_AUTH_WPA_ENABLED:
6647 /* Silently accept disable of WPA */
6648 if (param->value > 0)
6655 return -EINPROGRESS;
6659 /*------------------------------------------------------------------*/
6661 * Wireless Handler : get extended authentication parameters
6663 static int airo_get_auth(struct net_device *dev,
6664 struct iw_request_info *info,
6665 union iwreq_data *wrqu, char *extra)
6667 struct airo_info *local = dev->priv;
6668 struct iw_param *param = &wrqu->param;
6669 u16 currentAuthType = local->config.authType;
6671 switch (param->flags & IW_AUTH_INDEX) {
6672 case IW_AUTH_DROP_UNENCRYPTED:
6673 switch (currentAuthType) {
6674 case AUTH_SHAREDKEY:
6684 case IW_AUTH_80211_AUTH_ALG:
6685 switch (currentAuthType) {
6686 case AUTH_SHAREDKEY:
6687 param->value = IW_AUTH_ALG_SHARED_KEY;
6691 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6696 case IW_AUTH_WPA_ENABLED:
6707 /*------------------------------------------------------------------*/
6709 * Wireless Handler : set Tx-Power
6711 static int airo_set_txpow(struct net_device *dev,
6712 struct iw_request_info *info,
6713 struct iw_param *vwrq,
6716 struct airo_info *local = dev->priv;
6717 CapabilityRid cap_rid; /* Card capability info */
6721 readCapabilityRid(local, &cap_rid, 1);
6723 if (vwrq->disabled) {
6724 set_bit (FLAG_RADIO_OFF, &local->flags);
6725 set_bit (FLAG_COMMIT, &local->flags);
6726 return -EINPROGRESS; /* Call commit handler */
6728 if (vwrq->flags != IW_TXPOW_MWATT) {
6731 clear_bit (FLAG_RADIO_OFF, &local->flags);
6732 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6733 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6734 readConfigRid(local, 1);
6735 local->config.txPower = vwrq->value;
6736 set_bit (FLAG_COMMIT, &local->flags);
6737 rc = -EINPROGRESS; /* Call commit handler */
6743 /*------------------------------------------------------------------*/
6745 * Wireless Handler : get Tx-Power
6747 static int airo_get_txpow(struct net_device *dev,
6748 struct iw_request_info *info,
6749 struct iw_param *vwrq,
6752 struct airo_info *local = dev->priv;
6754 readConfigRid(local, 1);
6755 vwrq->value = local->config.txPower;
6756 vwrq->fixed = 1; /* No power control */
6757 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6758 vwrq->flags = IW_TXPOW_MWATT;
6763 /*------------------------------------------------------------------*/
6765 * Wireless Handler : set Retry limits
6767 static int airo_set_retry(struct net_device *dev,
6768 struct iw_request_info *info,
6769 struct iw_param *vwrq,
6772 struct airo_info *local = dev->priv;
6775 if(vwrq->disabled) {
6778 readConfigRid(local, 1);
6779 if(vwrq->flags & IW_RETRY_LIMIT) {
6780 if(vwrq->flags & IW_RETRY_MAX)
6781 local->config.longRetryLimit = vwrq->value;
6782 else if (vwrq->flags & IW_RETRY_MIN)
6783 local->config.shortRetryLimit = vwrq->value;
6785 /* No modifier : set both */
6786 local->config.longRetryLimit = vwrq->value;
6787 local->config.shortRetryLimit = vwrq->value;
6789 set_bit (FLAG_COMMIT, &local->flags);
6790 rc = -EINPROGRESS; /* Call commit handler */
6792 if(vwrq->flags & IW_RETRY_LIFETIME) {
6793 local->config.txLifetime = vwrq->value / 1024;
6794 set_bit (FLAG_COMMIT, &local->flags);
6795 rc = -EINPROGRESS; /* Call commit handler */
6800 /*------------------------------------------------------------------*/
6802 * Wireless Handler : get Retry limits
6804 static int airo_get_retry(struct net_device *dev,
6805 struct iw_request_info *info,
6806 struct iw_param *vwrq,
6809 struct airo_info *local = dev->priv;
6811 vwrq->disabled = 0; /* Can't be disabled */
6813 readConfigRid(local, 1);
6814 /* Note : by default, display the min retry number */
6815 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6816 vwrq->flags = IW_RETRY_LIFETIME;
6817 vwrq->value = (int)local->config.txLifetime * 1024;
6818 } else if((vwrq->flags & IW_RETRY_MAX)) {
6819 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6820 vwrq->value = (int)local->config.longRetryLimit;
6822 vwrq->flags = IW_RETRY_LIMIT;
6823 vwrq->value = (int)local->config.shortRetryLimit;
6824 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6825 vwrq->flags |= IW_RETRY_MIN;
6831 /*------------------------------------------------------------------*/
6833 * Wireless Handler : get range info
6835 static int airo_get_range(struct net_device *dev,
6836 struct iw_request_info *info,
6837 struct iw_point *dwrq,
6840 struct airo_info *local = dev->priv;
6841 struct iw_range *range = (struct iw_range *) extra;
6842 CapabilityRid cap_rid; /* Card capability info */
6846 readCapabilityRid(local, &cap_rid, 1);
6848 dwrq->length = sizeof(struct iw_range);
6849 memset(range, 0, sizeof(*range));
6850 range->min_nwid = 0x0000;
6851 range->max_nwid = 0x0000;
6852 range->num_channels = 14;
6853 /* Should be based on cap_rid.country to give only
6854 * what the current card support */
6856 for(i = 0; i < 14; i++) {
6857 range->freq[k].i = i + 1; /* List index */
6858 range->freq[k].m = frequency_list[i] * 100000;
6859 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6861 range->num_frequency = k;
6863 range->sensitivity = 65535;
6865 /* Hum... Should put the right values there */
6867 range->max_qual.qual = 100; /* % */
6869 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6870 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6871 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6873 /* Experimental measurements - boundary 11/5.5 Mb/s */
6874 /* Note : with or without the (local->rssi), results
6875 * are somewhat different. - Jean II */
6877 range->avg_qual.qual = 50; /* % */
6878 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6880 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6881 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6883 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6885 for(i = 0 ; i < 8 ; i++) {
6886 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6887 if(range->bitrate[i] == 0)
6890 range->num_bitrates = i;
6892 /* Set an indication of the max TCP throughput
6893 * in bit/s that we can expect using this interface.
6894 * May be use for QoS stuff... Jean II */
6896 range->throughput = 5000 * 1000;
6898 range->throughput = 1500 * 1000;
6901 range->max_rts = AIRO_DEF_MTU;
6902 range->min_frag = 256;
6903 range->max_frag = AIRO_DEF_MTU;
6905 if(cap_rid.softCap & 2) {
6907 range->encoding_size[0] = 5;
6909 if (cap_rid.softCap & 0x100) {
6910 range->encoding_size[1] = 13;
6911 range->num_encoding_sizes = 2;
6913 range->num_encoding_sizes = 1;
6914 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6916 range->num_encoding_sizes = 0;
6917 range->max_encoding_tokens = 0;
6920 range->max_pmp = 5000000; /* 5 secs */
6922 range->max_pmt = 65535 * 1024; /* ??? */
6923 range->pmp_flags = IW_POWER_PERIOD;
6924 range->pmt_flags = IW_POWER_TIMEOUT;
6925 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6927 /* Transmit Power - values are in mW */
6928 for(i = 0 ; i < 8 ; i++) {
6929 range->txpower[i] = cap_rid.txPowerLevels[i];
6930 if(range->txpower[i] == 0)
6933 range->num_txpower = i;
6934 range->txpower_capa = IW_TXPOW_MWATT;
6935 range->we_version_source = 19;
6936 range->we_version_compiled = WIRELESS_EXT;
6937 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6938 range->retry_flags = IW_RETRY_LIMIT;
6939 range->r_time_flags = IW_RETRY_LIFETIME;
6940 range->min_retry = 1;
6941 range->max_retry = 65535;
6942 range->min_r_time = 1024;
6943 range->max_r_time = 65535 * 1024;
6945 /* Event capability (kernel + driver) */
6946 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6947 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6948 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6949 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6950 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6951 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6955 /*------------------------------------------------------------------*/
6957 * Wireless Handler : set Power Management
6959 static int airo_set_power(struct net_device *dev,
6960 struct iw_request_info *info,
6961 struct iw_param *vwrq,
6964 struct airo_info *local = dev->priv;
6966 readConfigRid(local, 1);
6967 if (vwrq->disabled) {
6968 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6971 local->config.powerSaveMode = POWERSAVE_CAM;
6972 local->config.rmode &= 0xFF00;
6973 local->config.rmode |= RXMODE_BC_MC_ADDR;
6974 set_bit (FLAG_COMMIT, &local->flags);
6975 return -EINPROGRESS; /* Call commit handler */
6977 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6978 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6979 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6980 set_bit (FLAG_COMMIT, &local->flags);
6981 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6982 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6983 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6984 set_bit (FLAG_COMMIT, &local->flags);
6986 switch (vwrq->flags & IW_POWER_MODE) {
6987 case IW_POWER_UNICAST_R:
6988 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6991 local->config.rmode &= 0xFF00;
6992 local->config.rmode |= RXMODE_ADDR;
6993 set_bit (FLAG_COMMIT, &local->flags);
6995 case IW_POWER_ALL_R:
6996 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6999 local->config.rmode &= 0xFF00;
7000 local->config.rmode |= RXMODE_BC_MC_ADDR;
7001 set_bit (FLAG_COMMIT, &local->flags);
7007 // Note : we may want to factor local->need_commit here
7008 // Note2 : may also want to factor RXMODE_RFMON test
7009 return -EINPROGRESS; /* Call commit handler */
7012 /*------------------------------------------------------------------*/
7014 * Wireless Handler : get Power Management
7016 static int airo_get_power(struct net_device *dev,
7017 struct iw_request_info *info,
7018 struct iw_param *vwrq,
7021 struct airo_info *local = dev->priv;
7024 readConfigRid(local, 1);
7025 mode = local->config.powerSaveMode;
7026 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7028 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7029 vwrq->value = (int)local->config.fastListenDelay * 1024;
7030 vwrq->flags = IW_POWER_TIMEOUT;
7032 vwrq->value = (int)local->config.fastListenInterval * 1024;
7033 vwrq->flags = IW_POWER_PERIOD;
7035 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7036 vwrq->flags |= IW_POWER_UNICAST_R;
7038 vwrq->flags |= IW_POWER_ALL_R;
7043 /*------------------------------------------------------------------*/
7045 * Wireless Handler : set Sensitivity
7047 static int airo_set_sens(struct net_device *dev,
7048 struct iw_request_info *info,
7049 struct iw_param *vwrq,
7052 struct airo_info *local = dev->priv;
7054 readConfigRid(local, 1);
7055 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7056 set_bit (FLAG_COMMIT, &local->flags);
7058 return -EINPROGRESS; /* Call commit handler */
7061 /*------------------------------------------------------------------*/
7063 * Wireless Handler : get Sensitivity
7065 static int airo_get_sens(struct net_device *dev,
7066 struct iw_request_info *info,
7067 struct iw_param *vwrq,
7070 struct airo_info *local = dev->priv;
7072 readConfigRid(local, 1);
7073 vwrq->value = local->config.rssiThreshold;
7074 vwrq->disabled = (vwrq->value == 0);
7080 /*------------------------------------------------------------------*/
7082 * Wireless Handler : get AP List
7083 * Note : this is deprecated in favor of IWSCAN
7085 static int airo_get_aplist(struct net_device *dev,
7086 struct iw_request_info *info,
7087 struct iw_point *dwrq,
7090 struct airo_info *local = dev->priv;
7091 struct sockaddr *address = (struct sockaddr *) extra;
7092 struct iw_quality qual[IW_MAX_AP];
7095 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7097 for (i = 0; i < IW_MAX_AP; i++) {
7098 if (readBSSListRid(local, loseSync, &BSSList))
7101 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7102 address[i].sa_family = ARPHRD_ETHER;
7104 qual[i].level = 0x100 - BSSList.dBm;
7105 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7106 qual[i].updated = IW_QUAL_QUAL_UPDATED
7107 | IW_QUAL_LEVEL_UPDATED
7110 qual[i].level = (BSSList.dBm + 321) / 2;
7112 qual[i].updated = IW_QUAL_QUAL_INVALID
7113 | IW_QUAL_LEVEL_UPDATED
7116 qual[i].noise = local->wstats.qual.noise;
7117 if (BSSList.index == 0xffff)
7121 StatusRid status_rid; /* Card status info */
7122 readStatusRid(local, &status_rid, 1);
7124 i < min(IW_MAX_AP, 4) &&
7125 (status_rid.bssid[i][0]
7126 & status_rid.bssid[i][1]
7127 & status_rid.bssid[i][2]
7128 & status_rid.bssid[i][3]
7129 & status_rid.bssid[i][4]
7130 & status_rid.bssid[i][5])!=0xff &&
7131 (status_rid.bssid[i][0]
7132 | status_rid.bssid[i][1]
7133 | status_rid.bssid[i][2]
7134 | status_rid.bssid[i][3]
7135 | status_rid.bssid[i][4]
7136 | status_rid.bssid[i][5]);
7138 memcpy(address[i].sa_data,
7139 status_rid.bssid[i], ETH_ALEN);
7140 address[i].sa_family = ARPHRD_ETHER;
7143 dwrq->flags = 1; /* Should be define'd */
7144 memcpy(extra + sizeof(struct sockaddr)*i,
7145 &qual, sizeof(struct iw_quality)*i);
7152 /*------------------------------------------------------------------*/
7154 * Wireless Handler : Initiate Scan
7156 static int airo_set_scan(struct net_device *dev,
7157 struct iw_request_info *info,
7158 struct iw_param *vwrq,
7161 struct airo_info *ai = dev->priv;
7166 /* Note : you may have realised that, as this is a SET operation,
7167 * this is privileged and therefore a normal user can't
7169 * This is not an error, while the device perform scanning,
7170 * traffic doesn't flow, so it's a perfect DoS...
7172 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7174 if (down_interruptible(&ai->sem))
7175 return -ERESTARTSYS;
7177 /* If there's already a scan in progress, don't
7178 * trigger another one. */
7179 if (ai->scan_timeout > 0)
7182 /* Initiate a scan command */
7183 ai->scan_timeout = RUN_AT(3*HZ);
7184 memset(&cmd, 0, sizeof(cmd));
7185 cmd.cmd=CMD_LISTBSS;
7186 issuecommand(ai, &cmd, &rsp);
7192 wake_up_interruptible(&ai->thr_wait);
7196 /*------------------------------------------------------------------*/
7198 * Translate scan data returned from the card to a card independent
7199 * format that the Wireless Tools will understand - Jean II
7201 static inline char *airo_translate_scan(struct net_device *dev,
7206 struct airo_info *ai = dev->priv;
7207 struct iw_event iwe; /* Temporary buffer */
7209 char * current_val; /* For rates */
7213 /* First entry *MUST* be the AP MAC address */
7214 iwe.cmd = SIOCGIWAP;
7215 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7216 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7217 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7219 /* Other entries will be displayed in the order we give them */
7222 iwe.u.data.length = bss->ssidLen;
7223 if(iwe.u.data.length > 32)
7224 iwe.u.data.length = 32;
7225 iwe.cmd = SIOCGIWESSID;
7226 iwe.u.data.flags = 1;
7227 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7230 iwe.cmd = SIOCGIWMODE;
7231 capabilities = le16_to_cpu(bss->cap);
7232 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7233 if(capabilities & CAP_ESS)
7234 iwe.u.mode = IW_MODE_MASTER;
7236 iwe.u.mode = IW_MODE_ADHOC;
7237 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7241 iwe.cmd = SIOCGIWFREQ;
7242 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7243 /* iwe.u.freq.m containt the channel (starting 1), our
7244 * frequency_list array start at index 0...
7246 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7248 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7250 /* Add quality statistics */
7253 iwe.u.qual.level = 0x100 - bss->dBm;
7254 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7255 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7256 | IW_QUAL_LEVEL_UPDATED
7259 iwe.u.qual.level = (bss->dBm + 321) / 2;
7260 iwe.u.qual.qual = 0;
7261 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7262 | IW_QUAL_LEVEL_UPDATED
7265 iwe.u.qual.noise = ai->wstats.qual.noise;
7266 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7268 /* Add encryption capability */
7269 iwe.cmd = SIOCGIWENCODE;
7270 if(capabilities & CAP_PRIVACY)
7271 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7273 iwe.u.data.flags = IW_ENCODE_DISABLED;
7274 iwe.u.data.length = 0;
7275 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7277 /* Rate : stuffing multiple values in a single event require a bit
7278 * more of magic - Jean II */
7279 current_val = current_ev + IW_EV_LCP_LEN;
7281 iwe.cmd = SIOCGIWRATE;
7282 /* Those two flags are ignored... */
7283 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7285 for(i = 0 ; i < 8 ; i++) {
7286 /* NULL terminated */
7287 if(bss->rates[i] == 0)
7289 /* Bit rate given in 500 kb/s units (+ 0x80) */
7290 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7291 /* Add new value to event */
7292 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7294 /* Check if we added any event */
7295 if((current_val - current_ev) > IW_EV_LCP_LEN)
7296 current_ev = current_val;
7298 /* Beacon interval */
7299 buf = kmalloc(30, GFP_KERNEL);
7301 iwe.cmd = IWEVCUSTOM;
7302 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7303 iwe.u.data.length = strlen(buf);
7304 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7308 /* Put WPA/RSN Information Elements into the event stream */
7309 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7310 unsigned int num_null_ies = 0;
7311 u16 length = sizeof (bss->extra.iep);
7312 struct ieee80211_info_element *info_element =
7313 (struct ieee80211_info_element *) &bss->extra.iep;
7315 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7316 if (sizeof(*info_element) + info_element->len > length) {
7317 /* Invalid element, don't continue parsing IE */
7321 switch (info_element->id) {
7322 case MFIE_TYPE_SSID:
7323 /* Two zero-length SSID elements
7324 * mean we're done parsing elements */
7325 if (!info_element->len)
7329 case MFIE_TYPE_GENERIC:
7330 if (info_element->len >= 4 &&
7331 info_element->data[0] == 0x00 &&
7332 info_element->data[1] == 0x50 &&
7333 info_element->data[2] == 0xf2 &&
7334 info_element->data[3] == 0x01) {
7335 iwe.cmd = IWEVGENIE;
7336 iwe.u.data.length = min(info_element->len + 2,
7338 current_ev = iwe_stream_add_point(current_ev, end_buf,
7339 &iwe, (char *) info_element);
7344 iwe.cmd = IWEVGENIE;
7345 iwe.u.data.length = min(info_element->len + 2,
7347 current_ev = iwe_stream_add_point(current_ev, end_buf,
7348 &iwe, (char *) info_element);
7355 length -= sizeof(*info_element) + info_element->len;
7357 (struct ieee80211_info_element *)&info_element->
7358 data[info_element->len];
7364 /*------------------------------------------------------------------*/
7366 * Wireless Handler : Read Scan Results
7368 static int airo_get_scan(struct net_device *dev,
7369 struct iw_request_info *info,
7370 struct iw_point *dwrq,
7373 struct airo_info *ai = dev->priv;
7374 BSSListElement *net;
7376 char *current_ev = extra;
7378 /* If a scan is in-progress, return -EAGAIN */
7379 if (ai->scan_timeout > 0)
7382 if (down_interruptible(&ai->sem))
7385 list_for_each_entry (net, &ai->network_list, list) {
7386 /* Translate to WE format this entry */
7387 current_ev = airo_translate_scan(dev, current_ev,
7388 extra + dwrq->length,
7391 /* Check if there is space for one more entry */
7392 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7393 /* Ask user space to try again with a bigger buffer */
7399 /* Length of data */
7400 dwrq->length = (current_ev - extra);
7401 dwrq->flags = 0; /* todo */
7408 /*------------------------------------------------------------------*/
7410 * Commit handler : called after a bunch of SET operations
7412 static int airo_config_commit(struct net_device *dev,
7413 struct iw_request_info *info, /* NULL */
7414 void *zwrq, /* NULL */
7415 char *extra) /* NULL */
7417 struct airo_info *local = dev->priv;
7420 if (!test_bit (FLAG_COMMIT, &local->flags))
7423 /* Some of the "SET" function may have modified some of the
7424 * parameters. It's now time to commit them in the card */
7425 disable_MAC(local, 1);
7426 if (test_bit (FLAG_RESET, &local->flags)) {
7427 APListRid APList_rid;
7430 readAPListRid(local, &APList_rid);
7431 readSsidRid(local, &SSID_rid);
7432 if (test_bit(FLAG_MPI,&local->flags))
7433 setup_card(local, dev->dev_addr, 1 );
7435 reset_airo_card(dev);
7436 disable_MAC(local, 1);
7437 writeSsidRid(local, &SSID_rid, 1);
7438 writeAPListRid(local, &APList_rid, 1);
7440 if (down_interruptible(&local->sem))
7441 return -ERESTARTSYS;
7442 writeConfigRid(local, 0);
7443 enable_MAC(local, &rsp, 0);
7444 if (test_bit (FLAG_RESET, &local->flags))
7445 airo_set_promisc(local);
7452 /*------------------------------------------------------------------*/
7454 * Structures to export the Wireless Handlers
7457 static const struct iw_priv_args airo_private_args[] = {
7458 /*{ cmd, set_args, get_args, name } */
7459 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7460 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7461 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7462 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7465 static const iw_handler airo_handler[] =
7467 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7468 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7469 (iw_handler) NULL, /* SIOCSIWNWID */
7470 (iw_handler) NULL, /* SIOCGIWNWID */
7471 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7472 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7473 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7474 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7475 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7476 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7477 (iw_handler) NULL, /* SIOCSIWRANGE */
7478 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7479 (iw_handler) NULL, /* SIOCSIWPRIV */
7480 (iw_handler) NULL, /* SIOCGIWPRIV */
7481 (iw_handler) NULL, /* SIOCSIWSTATS */
7482 (iw_handler) NULL, /* SIOCGIWSTATS */
7483 iw_handler_set_spy, /* SIOCSIWSPY */
7484 iw_handler_get_spy, /* SIOCGIWSPY */
7485 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7486 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7487 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7488 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7489 (iw_handler) NULL, /* -- hole -- */
7490 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7491 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7492 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7493 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7494 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7495 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7496 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7497 (iw_handler) NULL, /* -- hole -- */
7498 (iw_handler) NULL, /* -- hole -- */
7499 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7500 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7501 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7502 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7503 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7504 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7505 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7506 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7507 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7508 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7509 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7510 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7511 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7512 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7513 (iw_handler) NULL, /* -- hole -- */
7514 (iw_handler) NULL, /* -- hole -- */
7515 (iw_handler) NULL, /* SIOCSIWGENIE */
7516 (iw_handler) NULL, /* SIOCGIWGENIE */
7517 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7518 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7519 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7520 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7521 (iw_handler) NULL, /* SIOCSIWPMKSA */
7524 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7525 * We want to force the use of the ioctl code, because those can't be
7526 * won't work the iw_handler code (because they simultaneously read
7527 * and write data and iw_handler can't do that).
7528 * Note that it's perfectly legal to read/write on a single ioctl command,
7529 * you just can't use iwpriv and need to force it via the ioctl handler.
7531 static const iw_handler airo_private_handler[] =
7533 NULL, /* SIOCIWFIRSTPRIV */
7536 static const struct iw_handler_def airo_handler_def =
7538 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7539 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7540 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7541 .standard = airo_handler,
7542 .private = airo_private_handler,
7543 .private_args = airo_private_args,
7544 .get_wireless_stats = airo_get_wireless_stats,
7548 * This defines the configuration part of the Wireless Extensions
7549 * Note : irq and spinlock protection will occur in the subroutines
7552 * o Check input value more carefully and fill correct values in range
7553 * o Test and shakeout the bugs (if any)
7557 * Javier Achirica did a great job of merging code from the unnamed CISCO
7558 * developer that added support for flashing the card.
7560 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7563 struct airo_info *ai = (struct airo_info *)dev->priv;
7565 if (ai->power.event)
7575 int val = AIROMAGIC;
7577 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7579 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7588 /* Get the command struct and hand it off for evaluation by
7589 * the proper subfunction
7593 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7598 /* Separate R/W functions bracket legality here
7600 if ( com.command == AIRORSWVERSION ) {
7601 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7606 else if ( com.command <= AIRORRID)
7607 rc = readrids(dev,&com);
7608 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7609 rc = writerids(dev,&com);
7610 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7611 rc = flashcard(dev,&com);
7613 rc = -EINVAL; /* Bad command in ioctl */
7616 #endif /* CISCO_EXT */
7618 // All other calls are currently unsupported
7626 * Get the Wireless stats out of the driver
7627 * Note : irq and spinlock protection will occur in the subroutines
7630 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7634 static void airo_read_wireless_stats(struct airo_info *local)
7636 StatusRid status_rid;
7638 CapabilityRid cap_rid;
7639 u32 *vals = stats_rid.vals;
7641 /* Get stats out of the card */
7642 clear_bit(JOB_WSTATS, &local->jobs);
7643 if (local->power.event) {
7647 readCapabilityRid(local, &cap_rid, 0);
7648 readStatusRid(local, &status_rid, 0);
7649 readStatsRid(local, &stats_rid, RID_STATS, 0);
7653 local->wstats.status = status_rid.mode;
7655 /* Signal quality and co */
7657 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7658 /* normalizedSignalStrength appears to be a percentage */
7659 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7661 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7662 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7664 if (status_rid.len >= 124) {
7665 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7666 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7668 local->wstats.qual.noise = 0;
7669 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7672 /* Packets discarded in the wireless adapter due to wireless
7673 * specific problems */
7674 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7675 local->wstats.discard.code = vals[6];/* RxWepErr */
7676 local->wstats.discard.fragment = vals[30];
7677 local->wstats.discard.retries = vals[10];
7678 local->wstats.discard.misc = vals[1] + vals[32];
7679 local->wstats.miss.beacon = vals[34];
7682 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7684 struct airo_info *local = dev->priv;
7686 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7687 /* Get stats out of the card if available */
7688 if (down_trylock(&local->sem) != 0) {
7689 set_bit(JOB_WSTATS, &local->jobs);
7690 wake_up_interruptible(&local->thr_wait);
7692 airo_read_wireless_stats(local);
7695 return &local->wstats;
7700 * This just translates from driver IOCTL codes to the command codes to
7701 * feed to the radio's host interface. Things can be added/deleted
7702 * as needed. This represents the READ side of control I/O to
7705 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7706 unsigned short ridcode;
7707 unsigned char *iobuf;
7709 struct airo_info *ai = dev->priv;
7712 if (test_bit(FLAG_FLASHING, &ai->flags))
7715 switch(comp->command)
7717 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7718 case AIROGCFG: ridcode = RID_CONFIG;
7719 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7720 disable_MAC (ai, 1);
7721 writeConfigRid (ai, 1);
7722 enable_MAC (ai, &rsp, 1);
7725 case AIROGSLIST: ridcode = RID_SSID; break;
7726 case AIROGVLIST: ridcode = RID_APLIST; break;
7727 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7728 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7729 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7730 /* Only super-user can read WEP keys */
7731 if (!capable(CAP_NET_ADMIN))
7734 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7735 /* Only super-user can read WEP keys */
7736 if (!capable(CAP_NET_ADMIN))
7739 case AIROGSTAT: ridcode = RID_STATUS; break;
7740 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7741 case AIROGSTATSC32: ridcode = RID_STATS; break;
7743 if (copy_to_user(comp->data, &ai->micstats,
7744 min((int)comp->len,(int)sizeof(ai->micstats))))
7747 case AIRORRID: ridcode = comp->ridnum; break;
7753 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7756 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7757 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7758 * then return it to the user
7759 * 9/22/2000 Honor user given length
7763 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7772 * Danger Will Robinson write the rids here
7775 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7776 struct airo_info *ai = dev->priv;
7780 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7781 unsigned char *iobuf;
7783 /* Only super-user can write RIDs */
7784 if (!capable(CAP_NET_ADMIN))
7787 if (test_bit(FLAG_FLASHING, &ai->flags))
7791 writer = do_writerid;
7793 switch(comp->command)
7795 case AIROPSIDS: ridcode = RID_SSID; break;
7796 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7797 case AIROPAPLIST: ridcode = RID_APLIST; break;
7798 case AIROPCFG: ai->config.len = 0;
7799 clear_bit(FLAG_COMMIT, &ai->flags);
7800 ridcode = RID_CONFIG; break;
7801 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7802 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7803 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7804 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7806 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7807 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7809 /* this is not really a rid but a command given to the card
7813 if (enable_MAC(ai, &rsp, 1) != 0)
7818 * Evidently this code in the airo driver does not get a symbol
7819 * as disable_MAC. it's probably so short the compiler does not gen one.
7825 /* This command merely clears the counts does not actually store any data
7826 * only reads rid. But as it changes the cards state, I put it in the
7827 * writerid routines.
7830 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7833 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7835 enabled = ai->micstats.enabled;
7836 memset(&ai->micstats,0,sizeof(ai->micstats));
7837 ai->micstats.enabled = enabled;
7839 if (copy_to_user(comp->data, iobuf,
7840 min((int)comp->len, (int)RIDSIZE))) {
7848 return -EOPNOTSUPP; /* Blarg! */
7850 if(comp->len > RIDSIZE)
7853 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7856 if (copy_from_user(iobuf,comp->data,comp->len)) {
7861 if (comp->command == AIROPCFG) {
7862 ConfigRid *cfg = (ConfigRid *)iobuf;
7864 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7865 cfg->opmode |= MODE_MIC;
7867 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7868 set_bit (FLAG_ADHOC, &ai->flags);
7870 clear_bit (FLAG_ADHOC, &ai->flags);
7873 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7881 /*****************************************************************************
7882 * Ancillary flash / mod functions much black magic lurkes here *
7883 *****************************************************************************
7887 * Flash command switch table
7890 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7893 /* Only super-user can modify flash */
7894 if (!capable(CAP_NET_ADMIN))
7897 switch(comp->command)
7900 return cmdreset((struct airo_info *)dev->priv);
7903 if (!((struct airo_info *)dev->priv)->flash &&
7904 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7906 return setflashmode((struct airo_info *)dev->priv);
7908 case AIROFLSHGCHR: /* Get char from aux */
7909 if(comp->len != sizeof(int))
7911 if (copy_from_user(&z,comp->data,comp->len))
7913 return flashgchar((struct airo_info *)dev->priv,z,8000);
7915 case AIROFLSHPCHR: /* Send char to card. */
7916 if(comp->len != sizeof(int))
7918 if (copy_from_user(&z,comp->data,comp->len))
7920 return flashpchar((struct airo_info *)dev->priv,z,8000);
7922 case AIROFLPUTBUF: /* Send 32k to card */
7923 if (!((struct airo_info *)dev->priv)->flash)
7925 if(comp->len > FLASHSIZE)
7927 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7930 flashputbuf((struct airo_info *)dev->priv);
7934 if(flashrestart((struct airo_info *)dev->priv,dev))
7941 #define FLASH_COMMAND 0x7e7e
7945 * Disable MAC and do soft reset on
7949 static int cmdreset(struct airo_info *ai) {
7953 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7957 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7959 ssleep(1); /* WAS 600 12/7/00 */
7962 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7969 * Put the card in legendary flash
7973 static int setflashmode (struct airo_info *ai) {
7974 set_bit (FLAG_FLASHING, &ai->flags);
7976 OUT4500(ai, SWS0, FLASH_COMMAND);
7977 OUT4500(ai, SWS1, FLASH_COMMAND);
7979 OUT4500(ai, SWS0, FLASH_COMMAND);
7980 OUT4500(ai, COMMAND,0x10);
7982 OUT4500(ai, SWS2, FLASH_COMMAND);
7983 OUT4500(ai, SWS3, FLASH_COMMAND);
7984 OUT4500(ai, COMMAND,0);
7986 msleep(500); /* 500ms delay */
7989 clear_bit (FLAG_FLASHING, &ai->flags);
7990 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7996 /* Put character to SWS0 wait for dwelltime
8000 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8011 /* Wait for busy bit d15 to go false indicating buffer empty */
8012 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8017 /* timeout for busy clear wait */
8019 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8023 /* Port is clear now write byte and wait for it to echo back */
8025 OUT4500(ai,SWS0,byte);
8028 echo = IN4500(ai,SWS1);
8029 } while (dwelltime >= 0 && echo != byte);
8033 return (echo == byte) ? 0 : -EIO;
8037 * Get a character from the card matching matchbyte
8040 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8042 unsigned char rbyte=0;
8045 rchar = IN4500(ai,SWS1);
8047 if(dwelltime && !(0x8000 & rchar)){
8052 rbyte = 0xff & rchar;
8054 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8058 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8062 }while(dwelltime > 0);
8067 * Transfer 32k of firmware data from user buffer to our buffer and
8071 static int flashputbuf(struct airo_info *ai){
8075 if (test_bit(FLAG_MPI,&ai->flags))
8076 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8078 OUT4500(ai,AUXPAGE,0x100);
8079 OUT4500(ai,AUXOFF,0);
8081 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8082 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8085 OUT4500(ai,SWS0,0x8000);
8093 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8096 ssleep(1); /* Added 12/7/00 */
8097 clear_bit (FLAG_FLASHING, &ai->flags);
8098 if (test_bit(FLAG_MPI, &ai->flags)) {
8099 status = mpi_init_descriptors(ai);
8100 if (status != SUCCESS)
8103 status = setup_card(ai, dev->dev_addr, 1);
8105 if (!test_bit(FLAG_MPI,&ai->flags))
8106 for( i = 0; i < MAX_FIDS; i++ ) {
8107 ai->fids[i] = transmit_allocate
8108 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8111 ssleep(1); /* Added 12/7/00 */
8114 #endif /* CISCO_EXT */
8117 This program is free software; you can redistribute it and/or
8118 modify it under the terms of the GNU General Public License
8119 as published by the Free Software Foundation; either version 2
8120 of the License, or (at your option) any later version.
8122 This program is distributed in the hope that it will be useful,
8123 but WITHOUT ANY WARRANTY; without even the implied warranty of
8124 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8125 GNU General Public License for more details.
8129 Redistribution and use in source and binary forms, with or without
8130 modification, are permitted provided that the following conditions
8133 1. Redistributions of source code must retain the above copyright
8134 notice, this list of conditions and the following disclaimer.
8135 2. Redistributions in binary form must reproduce the above copyright
8136 notice, this list of conditions and the following disclaimer in the
8137 documentation and/or other materials provided with the distribution.
8138 3. The name of the author may not be used to endorse or promote
8139 products derived from this software without specific prior written
8142 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8143 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8144 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8145 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8146 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8147 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8148 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8149 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8150 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8151 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8152 POSSIBILITY OF SUCH DAMAGE.
8155 module_init(airo_init_module);
8156 module_exit(airo_cleanup_module);