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/init.h>
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26 #include <linux/proc_fs.h>
27 #include <linux/smp_lock.h>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/system.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <asm/uaccess.h>
49 #include <net/ieee80211.h>
50 #include <linux/kthread.h>
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 *list_bss_task;
1192 struct task_struct *airo_thread_task;
1193 struct semaphore sem;
1194 wait_queue_head_t thr_wait;
1195 unsigned long expires;
1197 struct sk_buff *skb;
1200 struct net_device *wifidev;
1201 struct iw_statistics wstats; // wireless stats
1202 unsigned long scan_timeout; /* Time scan should be read */
1203 struct iw_spy_data spy_data;
1204 struct iw_public_data wireless_data;
1206 struct crypto_tfm *tfm;
1208 mic_statistics micstats;
1209 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1210 HostTxDesc txfids[MPI_MAX_FIDS];
1211 HostRidDesc config_desc;
1212 unsigned long ridbus; // phys addr of config_desc
1213 struct sk_buff_head txq;// tx queue used by mpi350 code
1214 struct pci_dev *pci;
1215 unsigned char __iomem *pcimem;
1216 unsigned char __iomem *pciaux;
1217 unsigned char *shared;
1218 dma_addr_t shared_dma;
1222 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1223 char proc_name[IFNAMSIZ];
1225 /* WPA-related stuff */
1226 unsigned int bssListFirst;
1227 unsigned int bssListNext;
1228 unsigned int bssListRidLen;
1230 struct list_head network_list;
1231 struct list_head network_free_list;
1232 BSSListElement *networks;
1235 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1240 static int setup_proc_entry( struct net_device *dev,
1241 struct airo_info *apriv );
1242 static int takedown_proc_entry( struct net_device *dev,
1243 struct airo_info *apriv );
1245 static int cmdreset(struct airo_info *ai);
1246 static int setflashmode (struct airo_info *ai);
1247 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1248 static int flashputbuf(struct airo_info *ai);
1249 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251 #define airo_print(type, name, fmt, args...) \
1252 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254 #define airo_print_info(name, fmt, args...) \
1255 airo_print(KERN_INFO, name, fmt, ##args)
1257 #define airo_print_dbg(name, fmt, args...) \
1258 airo_print(KERN_DEBUG, name, fmt, ##args)
1260 #define airo_print_warn(name, fmt, args...) \
1261 airo_print(KERN_WARNING, name, fmt, ##args)
1263 #define airo_print_err(name, fmt, args...) \
1264 airo_print(KERN_ERR, name, fmt, ##args)
1267 /***********************************************************************
1269 ***********************************************************************
1272 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1273 static void MoveWindow(miccntx *context, u32 micSeq);
1274 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1275 static void emmh32_init(emmh32_context *context);
1276 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1277 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1278 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1280 /* micinit - Initialize mic seed */
1282 static void micinit(struct airo_info *ai)
1286 clear_bit(JOB_MIC, &ai->jobs);
1287 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1290 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1292 if (ai->micstats.enabled) {
1293 /* Key must be valid and different */
1294 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1295 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1296 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1297 /* Age current mic Context */
1298 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1299 /* Initialize new context */
1300 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1301 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1302 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1303 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1304 ai->mod[0].mCtx.valid = 1; //Key is now valid
1306 /* Give key to mic seed */
1307 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1310 /* Key must be valid and different */
1311 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1312 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1313 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1314 /* Age current mic Context */
1315 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1316 /* Initialize new context */
1317 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1319 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1320 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1321 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1322 ai->mod[0].uCtx.valid = 1; //Key is now valid
1324 //Give key to mic seed
1325 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1328 /* So next time we have a valid key and mic is enabled, we will update
1329 * the sequence number if the key is the same as before.
1331 ai->mod[0].uCtx.valid = 0;
1332 ai->mod[0].mCtx.valid = 0;
1336 /* micsetup - Get ready for business */
1338 static int micsetup(struct airo_info *ai) {
1341 if (ai->tfm == NULL)
1342 ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP);
1344 if (ai->tfm == NULL) {
1345 airo_print_err(ai->dev->name, "failed to load transform for AES");
1349 for (i=0; i < NUM_MODULES; i++) {
1350 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1351 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1356 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1358 /*===========================================================================
1359 * Description: Mic a packet
1361 * Inputs: etherHead * pointer to an 802.3 frame
1363 * Returns: BOOLEAN if successful, otherwise false.
1364 * PacketTxLen will be updated with the mic'd packets size.
1366 * Caveats: It is assumed that the frame buffer will already
1367 * be big enough to hold the largets mic message possible.
1368 * (No memory allocation is done here).
1370 * Author: sbraneky (10/15/01)
1371 * Merciless hacks by rwilcher (1/14/02)
1374 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1378 // Determine correct context
1379 // If not adhoc, always use unicast key
1381 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1382 context = &ai->mod[0].mCtx;
1384 context = &ai->mod[0].uCtx;
1386 if (!context->valid)
1389 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1391 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1394 mic->seq = htonl(context->tx);
1397 emmh32_init(&context->seed); // Mic the packet
1398 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1399 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1400 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1401 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1402 emmh32_final(&context->seed, (u8*)&mic->mic);
1404 /* New Type/length ?????????? */
1405 mic->typelen = 0; //Let NIC know it could be an oversized packet
1417 /*===========================================================================
1418 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1419 * (removes the MIC stuff) if packet is a valid packet.
1421 * Inputs: etherHead pointer to the 802.3 packet
1423 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1425 * Author: sbraneky (10/15/01)
1426 * Merciless hacks by rwilcher (1/14/02)
1427 *---------------------------------------------------------------------------
1430 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1436 mic_error micError = NONE;
1438 // Check if the packet is a Mic'd packet
1440 if (!ai->micstats.enabled) {
1441 //No Mic set or Mic OFF but we received a MIC'd packet.
1442 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1443 ai->micstats.rxMICPlummed++;
1449 if (ntohs(mic->typelen) == 0x888E)
1452 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1453 // Mic enabled but packet isn't Mic'd
1454 ai->micstats.rxMICPlummed++;
1458 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1460 //At this point we a have a mic'd packet and mic is enabled
1461 //Now do the mic error checking.
1463 //Receive seq must be odd
1464 if ( (micSEQ & 1) == 0 ) {
1465 ai->micstats.rxWrongSequence++;
1469 for (i = 0; i < NUM_MODULES; i++) {
1470 int mcast = eth->da[0] & 1;
1471 //Determine proper context
1472 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1474 //Make sure context is valid
1475 if (!context->valid) {
1477 micError = NOMICPLUMMED;
1483 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1485 emmh32_init(&context->seed);
1486 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1487 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1488 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1489 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1491 emmh32_final(&context->seed, digest);
1493 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1496 micError = INCORRECTMIC;
1500 //Check Sequence number if mics pass
1501 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1502 ai->micstats.rxSuccess++;
1506 micError = SEQUENCE;
1509 // Update statistics
1511 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1512 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1513 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1520 /*===========================================================================
1521 * Description: Checks the Rx Seq number to make sure it is valid
1522 * and hasn't already been received
1524 * Inputs: miccntx - mic context to check seq against
1525 * micSeq - the Mic seq number
1527 * Returns: TRUE if valid otherwise FALSE.
1529 * Author: sbraneky (10/15/01)
1530 * Merciless hacks by rwilcher (1/14/02)
1531 *---------------------------------------------------------------------------
1534 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1538 //Allow for the ap being rebooted - if it is then use the next
1539 //sequence number of the current sequence number - might go backwards
1542 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1543 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1544 context->window = (micSeq > 33) ? micSeq : 33;
1545 context->rx = 0; // Reset rx
1547 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1548 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1549 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1550 context->rx = 0; // Reset rx
1553 //Make sequence number relative to START of window
1554 seq = micSeq - (context->window - 33);
1556 //Too old of a SEQ number to check.
1561 //Window is infinite forward
1562 MoveWindow(context,micSeq);
1566 // We are in the window. Now check the context rx bit to see if it was already sent
1567 seq >>= 1; //divide by 2 because we only have odd numbers
1568 index = 1 << seq; //Get an index number
1570 if (!(context->rx & index)) {
1571 //micSEQ falls inside the window.
1572 //Add seqence number to the list of received numbers.
1573 context->rx |= index;
1575 MoveWindow(context,micSeq);
1582 static void MoveWindow(miccntx *context, u32 micSeq)
1586 //Move window if seq greater than the middle of the window
1587 if (micSeq > context->window) {
1588 shift = (micSeq - context->window) >> 1;
1592 context->rx >>= shift;
1596 context->window = micSeq; //Move window
1600 /*==============================================*/
1601 /*========== EMMH ROUTINES ====================*/
1602 /*==============================================*/
1604 /* mic accumulate */
1605 #define MIC_ACCUM(val) \
1606 context->accum += (u64)(val) * context->coeff[coeff_position++];
1608 static unsigned char aes_counter[16];
1610 /* expand the key to fill the MMH coefficient array */
1611 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1613 /* take the keying material, expand if necessary, truncate at 16-bytes */
1614 /* run through AES counter mode to generate context->coeff[] */
1618 u8 *cipher, plain[16];
1619 struct scatterlist sg[1];
1621 crypto_cipher_setkey(tfm, pkey, 16);
1623 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1624 aes_counter[15] = (u8)(counter >> 0);
1625 aes_counter[14] = (u8)(counter >> 8);
1626 aes_counter[13] = (u8)(counter >> 16);
1627 aes_counter[12] = (u8)(counter >> 24);
1629 memcpy (plain, aes_counter, 16);
1630 sg_set_buf(sg, plain, 16);
1631 crypto_cipher_encrypt(tfm, sg, sg, 16);
1632 cipher = kmap(sg->page) + sg->offset;
1633 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1634 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1640 /* prepare for calculation of a new mic */
1641 static void emmh32_init(emmh32_context *context)
1643 /* prepare for new mic calculation */
1645 context->position = 0;
1648 /* add some bytes to the mic calculation */
1649 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1651 int coeff_position, byte_position;
1653 if (len == 0) return;
1655 coeff_position = context->position >> 2;
1657 /* deal with partial 32-bit word left over from last update */
1658 byte_position = context->position & 3;
1659 if (byte_position) {
1660 /* have a partial word in part to deal with */
1662 if (len == 0) return;
1663 context->part.d8[byte_position++] = *pOctets++;
1664 context->position++;
1666 } while (byte_position < 4);
1667 MIC_ACCUM(htonl(context->part.d32));
1670 /* deal with full 32-bit words */
1672 MIC_ACCUM(htonl(*(u32 *)pOctets));
1673 context->position += 4;
1678 /* deal with partial 32-bit word that will be left over from this update */
1681 context->part.d8[byte_position++] = *pOctets++;
1682 context->position++;
1687 /* mask used to zero empty bytes for final partial word */
1688 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1690 /* calculate the mic */
1691 static void emmh32_final(emmh32_context *context, u8 digest[4])
1693 int coeff_position, byte_position;
1699 coeff_position = context->position >> 2;
1701 /* deal with partial 32-bit word left over from last update */
1702 byte_position = context->position & 3;
1703 if (byte_position) {
1704 /* have a partial word in part to deal with */
1705 val = htonl(context->part.d32);
1706 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1709 /* reduce the accumulated u64 to a 32-bit MIC */
1710 sum = context->accum;
1711 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1712 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1713 sum = utmp & 0xffffffffLL;
1714 if (utmp > 0x10000000fLL)
1718 digest[0] = (val>>24) & 0xFF;
1719 digest[1] = (val>>16) & 0xFF;
1720 digest[2] = (val>>8) & 0xFF;
1721 digest[3] = val & 0xFF;
1724 static int readBSSListRid(struct airo_info *ai, int first,
1731 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1732 memset(&cmd, 0, sizeof(cmd));
1733 cmd.cmd=CMD_LISTBSS;
1734 if (down_interruptible(&ai->sem))
1735 return -ERESTARTSYS;
1736 ai->list_bss_task = current;
1737 issuecommand(ai, &cmd, &rsp);
1739 /* Let the command take effect */
1740 schedule_timeout_uninterruptible(3 * HZ);
1741 ai->list_bss_task = NULL;
1743 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1744 list, ai->bssListRidLen, 1);
1746 list->len = le16_to_cpu(list->len);
1747 list->index = le16_to_cpu(list->index);
1748 list->radioType = le16_to_cpu(list->radioType);
1749 list->cap = le16_to_cpu(list->cap);
1750 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1751 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1752 list->dsChannel = le16_to_cpu(list->dsChannel);
1753 list->atimWindow = le16_to_cpu(list->atimWindow);
1754 list->dBm = le16_to_cpu(list->dBm);
1758 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1759 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1760 wkr, sizeof(*wkr), lock);
1762 wkr->len = le16_to_cpu(wkr->len);
1763 wkr->kindex = le16_to_cpu(wkr->kindex);
1764 wkr->klen = le16_to_cpu(wkr->klen);
1767 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1768 * the originals when we endian them... */
1769 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1771 WepKeyRid wkr = *pwkr;
1773 wkr.len = cpu_to_le16(wkr.len);
1774 wkr.kindex = cpu_to_le16(wkr.kindex);
1775 wkr.klen = cpu_to_le16(wkr.klen);
1776 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1777 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1779 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1787 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1789 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1791 ssidr->len = le16_to_cpu(ssidr->len);
1792 for(i = 0; i < 3; i++) {
1793 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1797 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1800 SsidRid ssidr = *pssidr;
1802 ssidr.len = cpu_to_le16(ssidr.len);
1803 for(i = 0; i < 3; i++) {
1804 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1806 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1809 static int readConfigRid(struct airo_info*ai, int lock) {
1817 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1821 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1823 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1824 *s = le16_to_cpu(*s);
1826 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1827 *s = le16_to_cpu(*s);
1829 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1830 *s = cpu_to_le16(*s);
1832 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1833 *s = cpu_to_le16(*s);
1838 static inline void checkThrottle(struct airo_info *ai) {
1840 /* Old hardware had a limit on encryption speed */
1841 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1842 for(i=0; i<8; i++) {
1843 if (ai->config.rates[i] > maxencrypt) {
1844 ai->config.rates[i] = 0;
1849 static int writeConfigRid(struct airo_info*ai, int lock) {
1853 if (!test_bit (FLAG_COMMIT, &ai->flags))
1856 clear_bit (FLAG_COMMIT, &ai->flags);
1857 clear_bit (FLAG_RESET, &ai->flags);
1861 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1862 set_bit(FLAG_ADHOC, &ai->flags);
1864 clear_bit(FLAG_ADHOC, &ai->flags);
1866 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1868 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1869 *s = cpu_to_le16(*s);
1871 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1872 *s = cpu_to_le16(*s);
1874 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1875 *s = cpu_to_le16(*s);
1877 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1878 *s = cpu_to_le16(*s);
1880 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1882 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1883 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1886 statr->len = le16_to_cpu(statr->len);
1887 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1889 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1890 *s = le16_to_cpu(*s);
1891 statr->load = le16_to_cpu(statr->load);
1892 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1895 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1896 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1897 aplr->len = le16_to_cpu(aplr->len);
1900 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1902 aplr->len = cpu_to_le16(aplr->len);
1903 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1906 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1907 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1910 capr->len = le16_to_cpu(capr->len);
1911 capr->prodNum = le16_to_cpu(capr->prodNum);
1912 capr->radioType = le16_to_cpu(capr->radioType);
1913 capr->country = le16_to_cpu(capr->country);
1914 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1915 *s = le16_to_cpu(*s);
1918 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1919 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1922 sr->len = le16_to_cpu(sr->len);
1923 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1927 static int airo_open(struct net_device *dev) {
1928 struct airo_info *info = dev->priv;
1931 if (test_bit(FLAG_FLASHING, &info->flags))
1934 /* Make sure the card is configured.
1935 * Wireless Extensions may postpone config changes until the card
1936 * is open (to pipeline changes and speed-up card setup). If
1937 * those changes are not yet commited, do it now - Jean II */
1938 if (test_bit (FLAG_COMMIT, &info->flags)) {
1939 disable_MAC(info, 1);
1940 writeConfigRid(info, 1);
1943 if (info->wifidev != dev) {
1944 /* Power on the MAC controller (which may have been disabled) */
1945 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1946 enable_interrupts(info);
1948 enable_MAC(info, &rsp, 1);
1950 netif_start_queue(dev);
1954 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1955 int npacks, pending;
1956 unsigned long flags;
1957 struct airo_info *ai = dev->priv;
1960 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1963 npacks = skb_queue_len (&ai->txq);
1965 if (npacks >= MAXTXQ - 1) {
1966 netif_stop_queue (dev);
1967 if (npacks > MAXTXQ) {
1968 ai->stats.tx_fifo_errors++;
1971 skb_queue_tail (&ai->txq, skb);
1975 spin_lock_irqsave(&ai->aux_lock, flags);
1976 skb_queue_tail (&ai->txq, skb);
1977 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1978 spin_unlock_irqrestore(&ai->aux_lock,flags);
1979 netif_wake_queue (dev);
1982 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1983 mpi_send_packet (dev);
1991 * Attempt to transmit a packet. Can be called from interrupt
1992 * or transmit . return number of packets we tried to send
1995 static int mpi_send_packet (struct net_device *dev)
1997 struct sk_buff *skb;
1998 unsigned char *buffer;
1999 s16 len, *payloadLen;
2000 struct airo_info *ai = dev->priv;
2003 /* get a packet to send */
2005 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2006 airo_print_err(dev->name,
2007 "%s: Dequeue'd zero in send_packet()",
2012 /* check min length*/
2013 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2016 ai->txfids[0].tx_desc.offset = 0;
2017 ai->txfids[0].tx_desc.valid = 1;
2018 ai->txfids[0].tx_desc.eoc = 1;
2019 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2022 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2023 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2024 * is immediatly after it. ------------------------------------------------
2025 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2026 * ------------------------------------------------
2029 memcpy((char *)ai->txfids[0].virtual_host_addr,
2030 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2032 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2033 sizeof(wifictlhdr8023));
2034 sendbuf = ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023) + 2 ;
2038 * Firmware automaticly puts 802 header on so
2039 * we don't need to account for it in the length
2041 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2042 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2045 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2048 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2049 ai->txfids[0].tx_desc.len += sizeof(pMic);
2050 /* copy data into airo dma buffer */
2051 memcpy (sendbuf, buffer, sizeof(etherHead));
2052 buffer += sizeof(etherHead);
2053 sendbuf += sizeof(etherHead);
2054 memcpy (sendbuf, &pMic, sizeof(pMic));
2055 sendbuf += sizeof(pMic);
2056 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2058 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2060 dev->trans_start = jiffies;
2062 /* copy data into airo dma buffer */
2063 memcpy(sendbuf, buffer, len);
2066 memcpy_toio(ai->txfids[0].card_ram_off,
2067 &ai->txfids[0].tx_desc, sizeof(TxFid));
2069 OUT4500(ai, EVACK, 8);
2071 dev_kfree_skb_any(skb);
2075 static void get_tx_error(struct airo_info *ai, s32 fid)
2080 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2082 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2084 bap_read(ai, &status, 2, BAP0);
2086 if (le16_to_cpu(status) & 2) /* Too many retries */
2087 ai->stats.tx_aborted_errors++;
2088 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2089 ai->stats.tx_heartbeat_errors++;
2090 if (le16_to_cpu(status) & 8) /* Aid fail */
2092 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2093 ai->stats.tx_carrier_errors++;
2094 if (le16_to_cpu(status) & 0x20) /* Association lost */
2096 /* We produce a TXDROP event only for retry or lifetime
2097 * exceeded, because that's the only status that really mean
2098 * that this particular node went away.
2099 * Other errors means that *we* screwed up. - Jean II */
2100 if ((le16_to_cpu(status) & 2) ||
2101 (le16_to_cpu(status) & 4)) {
2102 union iwreq_data wrqu;
2105 /* Faster to skip over useless data than to do
2106 * another bap_setup(). We are at offset 0x6 and
2107 * need to go to 0x18 and read 6 bytes - Jean II */
2108 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2110 /* Copy 802.11 dest address.
2111 * We use the 802.11 header because the frame may
2112 * not be 802.3 or may be mangled...
2113 * In Ad-Hoc mode, it will be the node address.
2114 * In managed mode, it will be most likely the AP addr
2115 * User space will figure out how to convert it to
2116 * whatever it needs (IP address or else).
2118 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2119 wrqu.addr.sa_family = ARPHRD_ETHER;
2121 /* Send event to user space */
2122 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2126 static void airo_end_xmit(struct net_device *dev) {
2129 struct airo_info *priv = dev->priv;
2130 struct sk_buff *skb = priv->xmit.skb;
2131 int fid = priv->xmit.fid;
2132 u32 *fids = priv->fids;
2134 clear_bit(JOB_XMIT, &priv->jobs);
2135 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2136 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2140 if ( status == SUCCESS ) {
2141 dev->trans_start = jiffies;
2142 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2144 priv->fids[fid] &= 0xffff;
2145 priv->stats.tx_window_errors++;
2147 if (i < MAX_FIDS / 2)
2148 netif_wake_queue(dev);
2152 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2155 struct airo_info *priv = dev->priv;
2156 u32 *fids = priv->fids;
2158 if ( skb == NULL ) {
2159 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2163 /* Find a vacant FID */
2164 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2165 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2167 if ( j >= MAX_FIDS / 2 ) {
2168 netif_stop_queue(dev);
2170 if (i == MAX_FIDS / 2) {
2171 priv->stats.tx_fifo_errors++;
2175 /* check min length*/
2176 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2177 /* Mark fid as used & save length for later */
2178 fids[i] |= (len << 16);
2179 priv->xmit.skb = skb;
2181 if (down_trylock(&priv->sem) != 0) {
2182 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2183 netif_stop_queue(dev);
2184 set_bit(JOB_XMIT, &priv->jobs);
2185 wake_up_interruptible(&priv->thr_wait);
2191 static void airo_end_xmit11(struct net_device *dev) {
2194 struct airo_info *priv = dev->priv;
2195 struct sk_buff *skb = priv->xmit11.skb;
2196 int fid = priv->xmit11.fid;
2197 u32 *fids = priv->fids;
2199 clear_bit(JOB_XMIT11, &priv->jobs);
2200 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2201 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2205 if ( status == SUCCESS ) {
2206 dev->trans_start = jiffies;
2207 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2209 priv->fids[fid] &= 0xffff;
2210 priv->stats.tx_window_errors++;
2213 netif_wake_queue(dev);
2217 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2220 struct airo_info *priv = dev->priv;
2221 u32 *fids = priv->fids;
2223 if (test_bit(FLAG_MPI, &priv->flags)) {
2224 /* Not implemented yet for MPI350 */
2225 netif_stop_queue(dev);
2229 if ( skb == NULL ) {
2230 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2234 /* Find a vacant FID */
2235 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2236 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2238 if ( j >= MAX_FIDS ) {
2239 netif_stop_queue(dev);
2241 if (i == MAX_FIDS) {
2242 priv->stats.tx_fifo_errors++;
2246 /* check min length*/
2247 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2248 /* Mark fid as used & save length for later */
2249 fids[i] |= (len << 16);
2250 priv->xmit11.skb = skb;
2251 priv->xmit11.fid = i;
2252 if (down_trylock(&priv->sem) != 0) {
2253 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2254 netif_stop_queue(dev);
2255 set_bit(JOB_XMIT11, &priv->jobs);
2256 wake_up_interruptible(&priv->thr_wait);
2258 airo_end_xmit11(dev);
2262 static void airo_read_stats(struct airo_info *ai) {
2264 u32 *vals = stats_rid.vals;
2266 clear_bit(JOB_STATS, &ai->jobs);
2267 if (ai->power.event) {
2271 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2274 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2275 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2276 ai->stats.rx_bytes = vals[92];
2277 ai->stats.tx_bytes = vals[91];
2278 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2279 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2280 ai->stats.multicast = vals[43];
2281 ai->stats.collisions = vals[89];
2283 /* detailed rx_errors: */
2284 ai->stats.rx_length_errors = vals[3];
2285 ai->stats.rx_crc_errors = vals[4];
2286 ai->stats.rx_frame_errors = vals[2];
2287 ai->stats.rx_fifo_errors = vals[0];
2290 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2292 struct airo_info *local = dev->priv;
2294 if (!test_bit(JOB_STATS, &local->jobs)) {
2295 /* Get stats out of the card if available */
2296 if (down_trylock(&local->sem) != 0) {
2297 set_bit(JOB_STATS, &local->jobs);
2298 wake_up_interruptible(&local->thr_wait);
2300 airo_read_stats(local);
2303 return &local->stats;
2306 static void airo_set_promisc(struct airo_info *ai) {
2310 memset(&cmd, 0, sizeof(cmd));
2311 cmd.cmd=CMD_SETMODE;
2312 clear_bit(JOB_PROMISC, &ai->jobs);
2313 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2314 issuecommand(ai, &cmd, &rsp);
2318 static void airo_set_multicast_list(struct net_device *dev) {
2319 struct airo_info *ai = dev->priv;
2321 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2322 change_bit(FLAG_PROMISC, &ai->flags);
2323 if (down_trylock(&ai->sem) != 0) {
2324 set_bit(JOB_PROMISC, &ai->jobs);
2325 wake_up_interruptible(&ai->thr_wait);
2327 airo_set_promisc(ai);
2330 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2331 /* Turn on multicast. (Should be already setup...) */
2335 static int airo_set_mac_address(struct net_device *dev, void *p)
2337 struct airo_info *ai = dev->priv;
2338 struct sockaddr *addr = p;
2341 readConfigRid(ai, 1);
2342 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2343 set_bit (FLAG_COMMIT, &ai->flags);
2345 writeConfigRid (ai, 1);
2346 enable_MAC(ai, &rsp, 1);
2347 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2349 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2353 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2355 if ((new_mtu < 68) || (new_mtu > 2400))
2362 static int airo_close(struct net_device *dev) {
2363 struct airo_info *ai = dev->priv;
2365 netif_stop_queue(dev);
2367 if (ai->wifidev != dev) {
2368 #ifdef POWER_ON_DOWN
2369 /* Shut power to the card. The idea is that the user can save
2370 * power when he doesn't need the card with "ifconfig down".
2371 * That's the method that is most friendly towards the network
2372 * stack (i.e. the network stack won't try to broadcast
2373 * anything on the interface and routes are gone. Jean II */
2374 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2377 disable_interrupts( ai );
2382 static void del_airo_dev( struct net_device *dev );
2384 void stop_airo_card( struct net_device *dev, int freeres )
2386 struct airo_info *ai = dev->priv;
2388 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2390 disable_interrupts(ai);
2391 free_irq( dev->irq, dev );
2392 takedown_proc_entry( dev, ai );
2393 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2394 unregister_netdev( dev );
2396 unregister_netdev(ai->wifidev);
2397 free_netdev(ai->wifidev);
2400 clear_bit(FLAG_REGISTERED, &ai->flags);
2402 set_bit(JOB_DIE, &ai->jobs);
2403 kthread_stop(ai->airo_thread_task);
2406 * Clean out tx queue
2408 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2409 struct sk_buff *skb = NULL;
2410 for (;(skb = skb_dequeue(&ai->txq));)
2414 airo_networks_free (ai);
2421 /* PCMCIA frees this stuff, so only for PCI and ISA */
2422 release_region( dev->base_addr, 64 );
2423 if (test_bit(FLAG_MPI, &ai->flags)) {
2425 mpi_unmap_card(ai->pci);
2427 iounmap(ai->pcimem);
2429 iounmap(ai->pciaux);
2430 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2431 ai->shared, ai->shared_dma);
2434 crypto_free_tfm(ai->tfm);
2435 del_airo_dev( dev );
2439 EXPORT_SYMBOL(stop_airo_card);
2441 static int add_airo_dev( struct net_device *dev );
2443 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2445 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2449 static void mpi_unmap_card(struct pci_dev *pci)
2451 unsigned long mem_start = pci_resource_start(pci, 1);
2452 unsigned long mem_len = pci_resource_len(pci, 1);
2453 unsigned long aux_start = pci_resource_start(pci, 2);
2454 unsigned long aux_len = AUXMEMSIZE;
2456 release_mem_region(aux_start, aux_len);
2457 release_mem_region(mem_start, mem_len);
2460 /*************************************************************
2461 * This routine assumes that descriptors have been setup .
2462 * Run at insmod time or after reset when the decriptors
2463 * have been initialized . Returns 0 if all is well nz
2464 * otherwise . Does not allocate memory but sets up card
2465 * using previously allocated descriptors.
2467 static int mpi_init_descriptors (struct airo_info *ai)
2474 /* Alloc card RX descriptors */
2475 netif_stop_queue(ai->dev);
2477 memset(&rsp,0,sizeof(rsp));
2478 memset(&cmd,0,sizeof(cmd));
2480 cmd.cmd = CMD_ALLOCATEAUX;
2482 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2483 cmd.parm2 = MPI_MAX_FIDS;
2484 rc=issuecommand(ai, &cmd, &rsp);
2485 if (rc != SUCCESS) {
2486 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2490 for (i=0; i<MPI_MAX_FIDS; i++) {
2491 memcpy_toio(ai->rxfids[i].card_ram_off,
2492 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2495 /* Alloc card TX descriptors */
2497 memset(&rsp,0,sizeof(rsp));
2498 memset(&cmd,0,sizeof(cmd));
2500 cmd.cmd = CMD_ALLOCATEAUX;
2502 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2503 cmd.parm2 = MPI_MAX_FIDS;
2505 for (i=0; i<MPI_MAX_FIDS; i++) {
2506 ai->txfids[i].tx_desc.valid = 1;
2507 memcpy_toio(ai->txfids[i].card_ram_off,
2508 &ai->txfids[i].tx_desc, sizeof(TxFid));
2510 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2512 rc=issuecommand(ai, &cmd, &rsp);
2513 if (rc != SUCCESS) {
2514 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2518 /* Alloc card Rid descriptor */
2519 memset(&rsp,0,sizeof(rsp));
2520 memset(&cmd,0,sizeof(cmd));
2522 cmd.cmd = CMD_ALLOCATEAUX;
2524 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2525 cmd.parm2 = 1; /* Magic number... */
2526 rc=issuecommand(ai, &cmd, &rsp);
2527 if (rc != SUCCESS) {
2528 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2532 memcpy_toio(ai->config_desc.card_ram_off,
2533 &ai->config_desc.rid_desc, sizeof(Rid));
2539 * We are setting up three things here:
2540 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2541 * 2) Map PCI memory for issueing commands.
2542 * 3) Allocate memory (shared) to send and receive ethernet frames.
2544 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2547 unsigned long mem_start, mem_len, aux_start, aux_len;
2550 dma_addr_t busaddroff;
2551 unsigned char *vpackoff;
2552 unsigned char __iomem *pciaddroff;
2554 mem_start = pci_resource_start(pci, 1);
2555 mem_len = pci_resource_len(pci, 1);
2556 aux_start = pci_resource_start(pci, 2);
2557 aux_len = AUXMEMSIZE;
2559 if (!request_mem_region(mem_start, mem_len, name)) {
2560 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2561 (int)mem_start, (int)mem_len, name);
2564 if (!request_mem_region(aux_start, aux_len, name)) {
2565 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2566 (int)aux_start, (int)aux_len, name);
2570 ai->pcimem = ioremap(mem_start, mem_len);
2572 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2573 (int)mem_start, (int)mem_len, name);
2576 ai->pciaux = ioremap(aux_start, aux_len);
2578 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2579 (int)aux_start, (int)aux_len, name);
2583 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2584 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2586 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2592 * Setup descriptor RX, TX, CONFIG
2594 busaddroff = ai->shared_dma;
2595 pciaddroff = ai->pciaux + AUX_OFFSET;
2596 vpackoff = ai->shared;
2598 /* RX descriptor setup */
2599 for(i = 0; i < MPI_MAX_FIDS; i++) {
2600 ai->rxfids[i].pending = 0;
2601 ai->rxfids[i].card_ram_off = pciaddroff;
2602 ai->rxfids[i].virtual_host_addr = vpackoff;
2603 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2604 ai->rxfids[i].rx_desc.valid = 1;
2605 ai->rxfids[i].rx_desc.len = PKTSIZE;
2606 ai->rxfids[i].rx_desc.rdy = 0;
2608 pciaddroff += sizeof(RxFid);
2609 busaddroff += PKTSIZE;
2610 vpackoff += PKTSIZE;
2613 /* TX descriptor setup */
2614 for(i = 0; i < MPI_MAX_FIDS; i++) {
2615 ai->txfids[i].card_ram_off = pciaddroff;
2616 ai->txfids[i].virtual_host_addr = vpackoff;
2617 ai->txfids[i].tx_desc.valid = 1;
2618 ai->txfids[i].tx_desc.host_addr = busaddroff;
2619 memcpy(ai->txfids[i].virtual_host_addr,
2620 &wifictlhdr8023, sizeof(wifictlhdr8023));
2622 pciaddroff += sizeof(TxFid);
2623 busaddroff += PKTSIZE;
2624 vpackoff += PKTSIZE;
2626 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2628 /* Rid descriptor setup */
2629 ai->config_desc.card_ram_off = pciaddroff;
2630 ai->config_desc.virtual_host_addr = vpackoff;
2631 ai->config_desc.rid_desc.host_addr = busaddroff;
2632 ai->ridbus = busaddroff;
2633 ai->config_desc.rid_desc.rid = 0;
2634 ai->config_desc.rid_desc.len = RIDSIZE;
2635 ai->config_desc.rid_desc.valid = 1;
2636 pciaddroff += sizeof(Rid);
2637 busaddroff += RIDSIZE;
2638 vpackoff += RIDSIZE;
2640 /* Tell card about descriptors */
2641 if (mpi_init_descriptors (ai) != SUCCESS)
2646 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2648 iounmap(ai->pciaux);
2650 iounmap(ai->pcimem);
2652 release_mem_region(aux_start, aux_len);
2654 release_mem_region(mem_start, mem_len);
2659 static void wifi_setup(struct net_device *dev)
2661 dev->hard_header = NULL;
2662 dev->rebuild_header = NULL;
2663 dev->hard_header_cache = NULL;
2664 dev->header_cache_update= NULL;
2666 dev->hard_header_parse = wll_header_parse;
2667 dev->hard_start_xmit = &airo_start_xmit11;
2668 dev->get_stats = &airo_get_stats;
2669 dev->set_mac_address = &airo_set_mac_address;
2670 dev->do_ioctl = &airo_ioctl;
2671 dev->wireless_handlers = &airo_handler_def;
2672 dev->change_mtu = &airo_change_mtu;
2673 dev->open = &airo_open;
2674 dev->stop = &airo_close;
2676 dev->type = ARPHRD_IEEE80211;
2677 dev->hard_header_len = ETH_HLEN;
2678 dev->mtu = AIRO_DEF_MTU;
2679 dev->addr_len = ETH_ALEN;
2680 dev->tx_queue_len = 100;
2682 memset(dev->broadcast,0xFF, ETH_ALEN);
2684 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2687 static struct net_device *init_wifidev(struct airo_info *ai,
2688 struct net_device *ethdev)
2691 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2694 dev->priv = ethdev->priv;
2695 dev->irq = ethdev->irq;
2696 dev->base_addr = ethdev->base_addr;
2697 dev->wireless_data = ethdev->wireless_data;
2698 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2699 err = register_netdev(dev);
2707 static int reset_card( struct net_device *dev , int lock) {
2708 struct airo_info *ai = dev->priv;
2710 if (lock && down_interruptible(&ai->sem))
2713 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2722 #define AIRO_MAX_NETWORK_COUNT 64
2723 static int airo_networks_allocate(struct airo_info *ai)
2729 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2731 if (!ai->networks) {
2732 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2739 static void airo_networks_free(struct airo_info *ai)
2743 kfree(ai->networks);
2744 ai->networks = NULL;
2747 static void airo_networks_initialize(struct airo_info *ai)
2751 INIT_LIST_HEAD(&ai->network_free_list);
2752 INIT_LIST_HEAD(&ai->network_list);
2753 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2754 list_add_tail(&ai->networks[i].list,
2755 &ai->network_free_list);
2758 static int airo_test_wpa_capable(struct airo_info *ai)
2761 CapabilityRid cap_rid;
2762 const char *name = ai->dev->name;
2764 status = readCapabilityRid(ai, &cap_rid, 1);
2765 if (status != SUCCESS) return 0;
2767 /* Only firmware versions 5.30.17 or better can do WPA */
2768 if ((cap_rid.softVer > 0x530)
2769 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2770 airo_print_info(name, "WPA is supported.");
2774 /* No WPA support */
2775 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2776 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2780 static struct net_device *_init_airo_card( unsigned short irq, int port,
2781 int is_pcmcia, struct pci_dev *pci,
2782 struct device *dmdev )
2784 struct net_device *dev;
2785 struct airo_info *ai;
2788 /* Create the network device object. */
2789 dev = alloc_etherdev(sizeof(*ai));
2791 airo_print_err("", "Couldn't alloc_etherdev");
2794 if (dev_alloc_name(dev, dev->name) < 0) {
2795 airo_print_err("", "Couldn't get name!");
2804 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2805 airo_print_dbg(dev->name, "Found an MPI350 card");
2806 set_bit(FLAG_MPI, &ai->flags);
2808 spin_lock_init(&ai->aux_lock);
2809 sema_init(&ai->sem, 1);
2812 init_waitqueue_head (&ai->thr_wait);
2813 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2814 if (IS_ERR(ai->airo_thread_task))
2817 rc = add_airo_dev( dev );
2821 if (airo_networks_allocate (ai))
2822 goto err_out_unlink;
2823 airo_networks_initialize (ai);
2825 /* The Airo-specific entries in the device structure. */
2826 if (test_bit(FLAG_MPI,&ai->flags)) {
2827 skb_queue_head_init (&ai->txq);
2828 dev->hard_start_xmit = &mpi_start_xmit;
2830 dev->hard_start_xmit = &airo_start_xmit;
2831 dev->get_stats = &airo_get_stats;
2832 dev->set_multicast_list = &airo_set_multicast_list;
2833 dev->set_mac_address = &airo_set_mac_address;
2834 dev->do_ioctl = &airo_ioctl;
2835 dev->wireless_handlers = &airo_handler_def;
2836 ai->wireless_data.spy_data = &ai->spy_data;
2837 dev->wireless_data = &ai->wireless_data;
2838 dev->change_mtu = &airo_change_mtu;
2839 dev->open = &airo_open;
2840 dev->stop = &airo_close;
2842 dev->base_addr = port;
2844 SET_NETDEV_DEV(dev, dmdev);
2846 reset_card (dev, 1);
2849 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2851 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2853 goto err_out_unlink;
2856 if (!request_region( dev->base_addr, 64, dev->name )) {
2858 airo_print_err(dev->name, "Couldn't request region");
2863 if (test_bit(FLAG_MPI,&ai->flags)) {
2864 if (mpi_map_card(ai, pci, dev->name)) {
2865 airo_print_err(dev->name, "Could not map memory");
2871 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2872 airo_print_err(dev->name, "MAC could not be enabled" );
2876 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2877 ai->bap_read = fast_bap_read;
2878 set_bit(FLAG_FLASHING, &ai->flags);
2881 /* Test for WPA support */
2882 if (airo_test_wpa_capable(ai)) {
2883 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2884 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2885 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2886 ai->bssListRidLen = sizeof(BSSListRid);
2888 ai->bssListFirst = RID_BSSLISTFIRST;
2889 ai->bssListNext = RID_BSSLISTNEXT;
2890 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2893 rc = register_netdev(dev);
2895 airo_print_err(dev->name, "Couldn't register_netdev");
2898 ai->wifidev = init_wifidev(ai, dev);
2900 set_bit(FLAG_REGISTERED,&ai->flags);
2901 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2902 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2903 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2905 /* Allocate the transmit buffers */
2906 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2907 for( i = 0; i < MAX_FIDS; i++ )
2908 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2910 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2911 netif_start_queue(dev);
2912 SET_MODULE_OWNER(dev);
2916 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2917 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2918 iounmap(ai->pciaux);
2919 iounmap(ai->pcimem);
2920 mpi_unmap_card(ai->pci);
2924 release_region( dev->base_addr, 64 );
2926 free_irq(dev->irq, dev);
2930 set_bit(JOB_DIE, &ai->jobs);
2931 kthread_stop(ai->airo_thread_task);
2937 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2938 struct device *dmdev)
2940 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2943 EXPORT_SYMBOL(init_airo_card);
2945 static int waitbusy (struct airo_info *ai) {
2947 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2949 if ((++delay % 20) == 0)
2950 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2952 return delay < 10000;
2955 int reset_airo_card( struct net_device *dev )
2958 struct airo_info *ai = dev->priv;
2960 if (reset_card (dev, 1))
2963 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2964 airo_print_err(dev->name, "MAC could not be enabled");
2967 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2968 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2969 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2970 /* Allocate the transmit buffers if needed */
2971 if (!test_bit(FLAG_MPI,&ai->flags))
2972 for( i = 0; i < MAX_FIDS; i++ )
2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2975 enable_interrupts( ai );
2976 netif_wake_queue(dev);
2980 EXPORT_SYMBOL(reset_airo_card);
2982 static void airo_send_event(struct net_device *dev) {
2983 struct airo_info *ai = dev->priv;
2984 union iwreq_data wrqu;
2985 StatusRid status_rid;
2987 clear_bit(JOB_EVENT, &ai->jobs);
2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2990 wrqu.data.length = 0;
2991 wrqu.data.flags = 0;
2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2995 /* Send event to user space */
2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2999 static void airo_process_scan_results (struct airo_info *ai) {
3000 union iwreq_data wrqu;
3003 BSSListElement * loop_net;
3004 BSSListElement * tmp_net;
3006 /* Blow away current list of scan results */
3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3008 list_move_tail (&loop_net->list, &ai->network_free_list);
3009 /* Don't blow away ->list, just BSS data */
3010 memset (loop_net, 0, sizeof (loop_net->bss));
3013 /* Try to read the first entry of the scan result */
3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3015 if((rc) || (bss.index == 0xffff)) {
3016 /* No scan results */
3020 /* Read and parse all entries */
3022 while((!rc) && (bss.index != 0xffff)) {
3023 /* Grab a network off the free list */
3024 if (!list_empty(&ai->network_free_list)) {
3025 tmp_net = list_entry(ai->network_free_list.next,
3026 BSSListElement, list);
3027 list_del(ai->network_free_list.next);
3030 if (tmp_net != NULL) {
3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3032 list_add_tail(&tmp_net->list, &ai->network_list);
3036 /* Read next entry */
3037 rc = PC4500_readrid(ai, ai->bssListNext,
3038 &bss, ai->bssListRidLen, 0);
3042 ai->scan_timeout = 0;
3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3046 /* Send an empty event to user space.
3047 * We don't send the received data on
3048 * the event because it would require
3049 * us to do complex transcoding, and
3050 * we want to minimise the work done in
3051 * the irq handler. Use a request to
3052 * extract the data - Jean II */
3053 wrqu.data.length = 0;
3054 wrqu.data.flags = 0;
3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3058 static int airo_thread(void *data) {
3059 struct net_device *dev = data;
3060 struct airo_info *ai = dev->priv;
3064 /* make swsusp happy with our thread */
3067 if (test_bit(JOB_DIE, &ai->jobs))
3071 locked = down_interruptible(&ai->sem);
3075 init_waitqueue_entry(&wait, current);
3076 add_wait_queue(&ai->thr_wait, &wait);
3078 set_current_state(TASK_INTERRUPTIBLE);
3081 if (ai->expires || ai->scan_timeout) {
3082 if (ai->scan_timeout &&
3083 time_after_eq(jiffies,ai->scan_timeout)){
3084 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3086 } else if (ai->expires &&
3087 time_after_eq(jiffies,ai->expires)){
3088 set_bit(JOB_AUTOWEP, &ai->jobs);
3091 if (!kthread_should_stop()) {
3092 unsigned long wake_at;
3093 if (!ai->expires || !ai->scan_timeout) {
3094 wake_at = max(ai->expires,
3097 wake_at = min(ai->expires,
3100 schedule_timeout(wake_at - jiffies);
3103 } else if (!kthread_should_stop()) {
3109 current->state = TASK_RUNNING;
3110 remove_wait_queue(&ai->thr_wait, &wait);
3117 if (test_bit(JOB_DIE, &ai->jobs)) {
3122 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3127 if (test_bit(JOB_XMIT, &ai->jobs))
3129 else if (test_bit(JOB_XMIT11, &ai->jobs))
3130 airo_end_xmit11(dev);
3131 else if (test_bit(JOB_STATS, &ai->jobs))
3132 airo_read_stats(ai);
3133 else if (test_bit(JOB_WSTATS, &ai->jobs))
3134 airo_read_wireless_stats(ai);
3135 else if (test_bit(JOB_PROMISC, &ai->jobs))
3136 airo_set_promisc(ai);
3137 else if (test_bit(JOB_MIC, &ai->jobs))
3139 else if (test_bit(JOB_EVENT, &ai->jobs))
3140 airo_send_event(dev);
3141 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3143 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3144 airo_process_scan_results(ai);
3145 else /* Shouldn't get here, but we make sure to unlock */
3152 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
3153 struct net_device *dev = (struct net_device *)dev_id;
3156 struct airo_info *apriv = dev->priv;
3157 u16 savedInterrupts = 0;
3160 if (!netif_device_present(dev))
3164 status = IN4500( apriv, EVSTAT );
3165 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3169 if ( status & EV_AWAKE ) {
3170 OUT4500( apriv, EVACK, EV_AWAKE );
3171 OUT4500( apriv, EVACK, EV_AWAKE );
3174 if (!savedInterrupts) {
3175 savedInterrupts = IN4500( apriv, EVINTEN );
3176 OUT4500( apriv, EVINTEN, 0 );
3179 if ( status & EV_MIC ) {
3180 OUT4500( apriv, EVACK, EV_MIC );
3181 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3182 set_bit(JOB_MIC, &apriv->jobs);
3183 wake_up_interruptible(&apriv->thr_wait);
3186 if ( status & EV_LINK ) {
3187 union iwreq_data wrqu;
3188 int scan_forceloss = 0;
3189 /* The link status has changed, if you want to put a
3190 monitor hook in, do it here. (Remember that
3191 interrupts are still disabled!)
3193 u16 newStatus = IN4500(apriv, LINKSTAT);
3194 OUT4500( apriv, EVACK, EV_LINK);
3195 /* Here is what newStatus means: */
3196 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3197 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3198 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3199 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3200 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3201 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3202 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3203 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3205 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3207 #define ASSOCIATED 0x0400 /* Associated */
3208 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3209 #define RC_RESERVED 0 /* Reserved return code */
3210 #define RC_NOREASON 1 /* Unspecified reason */
3211 #define RC_AUTHINV 2 /* Previous authentication invalid */
3212 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3214 #define RC_NOACT 4 /* Disassociated due to inactivity */
3215 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3216 all currently associated stations */
3217 #define RC_BADCLASS2 6 /* Class 2 frame received from
3218 non-Authenticated station */
3219 #define RC_BADCLASS3 7 /* Class 3 frame received from
3220 non-Associated station */
3221 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3223 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3224 Authenticated with the responding station */
3225 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3227 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3230 if (apriv->list_bss_task)
3231 wake_up_process(apriv->list_bss_task);
3232 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3233 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3235 if (down_trylock(&apriv->sem) != 0) {
3236 set_bit(JOB_EVENT, &apriv->jobs);
3237 wake_up_interruptible(&apriv->thr_wait);
3239 airo_send_event(dev);
3240 } else if (!scan_forceloss) {
3241 if (auto_wep && !apriv->expires) {
3242 apriv->expires = RUN_AT(3*HZ);
3243 wake_up_interruptible(&apriv->thr_wait);
3246 /* Send event to user space */
3247 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3248 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3249 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3253 /* Check to see if there is something to receive */
3254 if ( status & EV_RX ) {
3255 struct sk_buff *skb = NULL;
3256 u16 fc, len, hdrlen = 0;
3270 if (test_bit(FLAG_MPI,&apriv->flags)) {
3271 if (test_bit(FLAG_802_11, &apriv->flags))
3272 mpi_receive_802_11(apriv);
3274 mpi_receive_802_3(apriv);
3275 OUT4500(apriv, EVACK, EV_RX);
3279 fid = IN4500( apriv, RXFID );
3281 /* Get the packet length */
3282 if (test_bit(FLAG_802_11, &apriv->flags)) {
3283 bap_setup (apriv, fid, 4, BAP0);
3284 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3285 /* Bad CRC. Ignore packet */
3286 if (le16_to_cpu(hdr.status) & 2)
3288 if (apriv->wifidev == NULL)
3291 bap_setup (apriv, fid, 0x36, BAP0);
3292 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3294 len = le16_to_cpu(hdr.len);
3296 if (len > AIRO_DEF_MTU) {
3297 airo_print_err(apriv->dev->name, "Bad size %d", len);
3303 if (test_bit(FLAG_802_11, &apriv->flags)) {
3304 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3305 fc = le16_to_cpu(fc);
3308 if ((fc & 0xe0) == 0xc0)
3314 if ((fc&0x300)==0x300){
3322 hdrlen = ETH_ALEN * 2;
3324 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3326 apriv->stats.rx_dropped++;
3329 skb_reserve(skb, 2); /* This way the IP header is aligned */
3330 buffer = (u16*)skb_put (skb, len + hdrlen);
3331 if (test_bit(FLAG_802_11, &apriv->flags)) {
3333 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3335 bap_read (apriv, tmpbuf, 6, BAP0);
3337 bap_read (apriv, &gap, sizeof(gap), BAP0);
3338 gap = le16_to_cpu(gap);
3341 bap_read (apriv, tmpbuf, gap, BAP0);
3343 airo_print_err(apriv->dev->name, "gaplen too "
3344 "big. Problems will follow...");
3347 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3350 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3351 if (apriv->micstats.enabled) {
3352 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3353 if (ntohs(micbuf.typelen) > 0x05DC)
3354 bap_setup (apriv, fid, 0x44, BAP0);
3356 if (len <= sizeof(micbuf))
3359 len -= sizeof(micbuf);
3360 skb_trim (skb, len + hdrlen);
3363 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3364 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3366 dev_kfree_skb_irq (skb);
3368 OUT4500( apriv, EVACK, EV_RX);
3373 if (apriv->spy_data.spy_number > 0) {
3375 struct iw_quality wstats;
3376 /* Prepare spy data : addr + qual */
3377 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3378 sa = (char*)buffer + 6;
3379 bap_setup (apriv, fid, 8, BAP0);
3380 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3382 sa = (char*)buffer + 10;
3383 wstats.qual = hdr.rssi[0];
3385 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3387 wstats.level = (hdr.rssi[1] + 321) / 2;
3388 wstats.noise = apriv->wstats.qual.noise;
3389 wstats.updated = IW_QUAL_LEVEL_UPDATED
3390 | IW_QUAL_QUAL_UPDATED
3392 /* Update spy records */
3393 wireless_spy_update(dev, sa, &wstats);
3395 #endif /* WIRELESS_SPY */
3396 OUT4500( apriv, EVACK, EV_RX);
3398 if (test_bit(FLAG_802_11, &apriv->flags)) {
3399 skb->mac.raw = skb->data;
3400 skb->pkt_type = PACKET_OTHERHOST;
3401 skb->dev = apriv->wifidev;
3402 skb->protocol = htons(ETH_P_802_2);
3405 skb->protocol = eth_type_trans(skb,dev);
3407 skb->dev->last_rx = jiffies;
3408 skb->ip_summed = CHECKSUM_NONE;
3414 /* Check to see if a packet has been transmitted */
3415 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3420 if (test_bit(FLAG_MPI,&apriv->flags)) {
3421 unsigned long flags;
3423 if (status & EV_TXEXC)
3424 get_tx_error(apriv, -1);
3425 spin_lock_irqsave(&apriv->aux_lock, flags);
3426 if (!skb_queue_empty(&apriv->txq)) {
3427 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3428 mpi_send_packet (dev);
3430 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3431 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3432 netif_wake_queue (dev);
3434 OUT4500( apriv, EVACK,
3435 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3439 fid = IN4500(apriv, TXCOMPLFID);
3441 for( i = 0; i < MAX_FIDS; i++ ) {
3442 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3443 len = apriv->fids[i] >> 16;
3448 if (status & EV_TXEXC)
3449 get_tx_error(apriv, index);
3450 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3451 /* Set up to be used again */
3452 apriv->fids[index] &= 0xffff;
3453 if (index < MAX_FIDS / 2) {
3454 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3455 netif_wake_queue(dev);
3457 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3458 netif_wake_queue(apriv->wifidev);
3461 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3462 airo_print_err(apriv->dev->name, "Unallocated FID was "
3467 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3468 airo_print_warn(apriv->dev->name, "Got weird status %x",
3469 status & ~STATUS_INTS & ~IGNORE_INTS );
3472 if (savedInterrupts)
3473 OUT4500( apriv, EVINTEN, savedInterrupts );
3476 return IRQ_RETVAL(handled);
3480 * Routines to talk to the card
3484 * This was originally written for the 4500, hence the name
3485 * NOTE: If use with 8bit mode and SMP bad things will happen!
3486 * Why would some one do 8 bit IO in an SMP machine?!?
3488 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3489 if (test_bit(FLAG_MPI,&ai->flags))
3492 outw( val, ai->dev->base_addr + reg );
3494 outb( val & 0xff, ai->dev->base_addr + reg );
3495 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3499 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3502 if (test_bit(FLAG_MPI,&ai->flags))
3505 rc = inw( ai->dev->base_addr + reg );
3507 rc = inb( ai->dev->base_addr + reg );
3508 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3513 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3517 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3518 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3519 * Note : we could try to use !netif_running(dev) in enable_MAC()
3520 * instead of this flag, but I don't trust it *within* the
3521 * open/close functions, and testing both flags together is
3522 * "cheaper" - Jean II */
3523 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3525 if (lock && down_interruptible(&ai->sem))
3526 return -ERESTARTSYS;
3528 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3529 memset(&cmd, 0, sizeof(cmd));
3530 cmd.cmd = MAC_ENABLE;
3531 rc = issuecommand(ai, &cmd, rsp);
3533 set_bit(FLAG_ENABLED, &ai->flags);
3541 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3546 static void disable_MAC( struct airo_info *ai, int lock ) {
3550 if (lock && down_interruptible(&ai->sem))
3553 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3554 memset(&cmd, 0, sizeof(cmd));
3555 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3556 issuecommand(ai, &cmd, &rsp);
3557 clear_bit(FLAG_ENABLED, &ai->flags);
3563 static void enable_interrupts( struct airo_info *ai ) {
3564 /* Enable the interrupts */
3565 OUT4500( ai, EVINTEN, STATUS_INTS );
3568 static void disable_interrupts( struct airo_info *ai ) {
3569 OUT4500( ai, EVINTEN, 0 );
3572 static void mpi_receive_802_3(struct airo_info *ai)
3576 struct sk_buff *skb;
3581 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3582 /* Make sure we got something */
3583 if (rxd.rdy && rxd.valid == 0) {
3585 if (len < 12 || len > 2048)
3588 skb = dev_alloc_skb(len);
3590 ai->stats.rx_dropped++;
3593 buffer = skb_put(skb,len);
3594 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3595 if (ai->micstats.enabled) {
3597 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3599 if (ntohs(micbuf.typelen) <= 0x05DC) {
3600 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3603 off = sizeof(micbuf);
3604 skb_trim (skb, len - off);
3607 memcpy(buffer + ETH_ALEN * 2,
3608 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3609 len - ETH_ALEN * 2 - off);
3610 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3612 dev_kfree_skb_irq (skb);
3616 if (ai->spy_data.spy_number > 0) {
3618 struct iw_quality wstats;
3619 /* Prepare spy data : addr + qual */
3620 sa = buffer + ETH_ALEN;
3621 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3624 /* Update spy records */
3625 wireless_spy_update(ai->dev, sa, &wstats);
3627 #endif /* WIRELESS_SPY */
3630 skb->ip_summed = CHECKSUM_NONE;
3631 skb->protocol = eth_type_trans(skb, ai->dev);
3632 skb->dev->last_rx = jiffies;
3636 if (rxd.valid == 0) {
3640 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3644 void mpi_receive_802_11 (struct airo_info *ai)
3647 struct sk_buff *skb = NULL;
3648 u16 fc, len, hdrlen = 0;
3660 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3662 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3663 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3665 /* Bad CRC. Ignore packet */
3666 if (le16_to_cpu(hdr.status) & 2)
3668 if (ai->wifidev == NULL)
3670 len = le16_to_cpu(hdr.len);
3671 if (len > AIRO_DEF_MTU) {
3672 airo_print_err(ai->dev->name, "Bad size %d", len);
3678 memcpy ((char *)&fc, ptr, sizeof(fc));
3679 fc = le16_to_cpu(fc);
3682 if ((fc & 0xe0) == 0xc0)
3688 if ((fc&0x300)==0x300){
3696 skb = dev_alloc_skb( len + hdrlen + 2 );
3698 ai->stats.rx_dropped++;
3701 buffer = (u16*)skb_put (skb, len + hdrlen);
3702 memcpy ((char *)buffer, ptr, hdrlen);
3706 memcpy ((char *)&gap, ptr, sizeof(gap));
3708 gap = le16_to_cpu(gap);
3713 airo_print_err(ai->dev->name,
3714 "gaplen too big. Problems will follow...");
3716 memcpy ((char *)buffer + hdrlen, ptr, len);
3718 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3719 if (ai->spy_data.spy_number > 0) {
3721 struct iw_quality wstats;
3722 /* Prepare spy data : addr + qual */
3723 sa = (char*)buffer + 10;
3724 wstats.qual = hdr.rssi[0];
3726 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3728 wstats.level = (hdr.rssi[1] + 321) / 2;
3729 wstats.noise = ai->wstats.qual.noise;
3730 wstats.updated = IW_QUAL_QUAL_UPDATED
3731 | IW_QUAL_LEVEL_UPDATED
3733 /* Update spy records */
3734 wireless_spy_update(ai->dev, sa, &wstats);
3736 #endif /* IW_WIRELESS_SPY */
3737 skb->mac.raw = skb->data;
3738 skb->pkt_type = PACKET_OTHERHOST;
3739 skb->dev = ai->wifidev;
3740 skb->protocol = htons(ETH_P_802_2);
3741 skb->dev->last_rx = jiffies;
3742 skb->ip_summed = CHECKSUM_NONE;
3745 if (rxd.valid == 0) {
3749 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3753 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3764 memset( &mySsid, 0, sizeof( mySsid ) );
3768 /* The NOP is the first step in getting the card going */
3770 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3771 if (lock && down_interruptible(&ai->sem))
3773 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3778 disable_MAC( ai, 0);
3780 // Let's figure out if we need to use the AUX port
3781 if (!test_bit(FLAG_MPI,&ai->flags)) {
3782 cmd.cmd = CMD_ENABLEAUX;
3783 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3786 airo_print_err(ai->dev->name, "Error checking for AUX port");
3789 if (!aux_bap || rsp.status & 0xff00) {
3790 ai->bap_read = fast_bap_read;
3791 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3793 ai->bap_read = aux_bap_read;
3794 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3799 if (ai->config.len == 0) {
3800 tdsRssiRid rssi_rid;
3801 CapabilityRid cap_rid;
3807 // general configuration (read/modify/write)
3808 status = readConfigRid(ai, lock);
3809 if ( status != SUCCESS ) return ERROR;
3811 status = readCapabilityRid(ai, &cap_rid, lock);
3812 if ( status != SUCCESS ) return ERROR;
3814 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3815 if ( status == SUCCESS ) {
3816 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3817 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3822 if (cap_rid.softCap & 8)
3823 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3825 airo_print_warn(ai->dev->name, "unknown received signal "
3828 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3829 ai->config.authType = AUTH_OPEN;
3830 ai->config.modulation = MOD_CCK;
3832 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3833 (micsetup(ai) == SUCCESS)) {
3834 ai->config.opmode |= MODE_MIC;
3835 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3838 /* Save off the MAC */
3839 for( i = 0; i < ETH_ALEN; i++ ) {
3840 mac[i] = ai->config.macAddr[i];
3843 /* Check to see if there are any insmod configured
3847 memset(ai->config.rates,0,sizeof(ai->config.rates));
3848 for( i = 0; i < 8 && rates[i]; i++ ) {
3849 ai->config.rates[i] = rates[i];
3852 if ( basic_rate > 0 ) {
3854 for( i = 0; i < 8; i++ ) {
3855 if ( ai->config.rates[i] == basic_rate ||
3856 !ai->config.rates ) {
3857 ai->config.rates[i] = basic_rate | 0x80;
3862 set_bit (FLAG_COMMIT, &ai->flags);
3865 /* Setup the SSIDs if present */
3868 for( i = 0; i < 3 && ssids[i]; i++ ) {
3869 mySsid.ssids[i].len = strlen(ssids[i]);
3870 if ( mySsid.ssids[i].len > 32 )
3871 mySsid.ssids[i].len = 32;
3872 memcpy(mySsid.ssids[i].ssid, ssids[i],
3873 mySsid.ssids[i].len);
3875 mySsid.len = sizeof(mySsid);
3878 status = writeConfigRid(ai, lock);
3879 if ( status != SUCCESS ) return ERROR;
3881 /* Set up the SSID list */
3883 status = writeSsidRid(ai, &mySsid, lock);
3884 if ( status != SUCCESS ) return ERROR;
3887 status = enable_MAC(ai, &rsp, lock);
3888 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3889 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3890 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3894 /* Grab the initial wep key, we gotta save it for auto_wep */
3895 rc = readWepKeyRid(ai, &wkr, 1, lock);
3896 if (rc == SUCCESS) do {
3897 lastindex = wkr.kindex;
3898 if (wkr.kindex == 0xffff) {
3899 ai->defindex = wkr.mac[0];
3901 rc = readWepKeyRid(ai, &wkr, 0, lock);
3902 } while(lastindex != wkr.kindex);
3905 ai->expires = RUN_AT(3*HZ);
3906 wake_up_interruptible(&ai->thr_wait);
3912 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3913 // Im really paranoid about letting it run forever!
3914 int max_tries = 600000;
3916 if (IN4500(ai, EVSTAT) & EV_CMD)
3917 OUT4500(ai, EVACK, EV_CMD);
3919 OUT4500(ai, PARAM0, pCmd->parm0);
3920 OUT4500(ai, PARAM1, pCmd->parm1);
3921 OUT4500(ai, PARAM2, pCmd->parm2);
3922 OUT4500(ai, COMMAND, pCmd->cmd);
3924 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3925 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3926 // PC4500 didn't notice command, try again
3927 OUT4500(ai, COMMAND, pCmd->cmd);
3928 if (!in_atomic() && (max_tries & 255) == 0)
3932 if ( max_tries == -1 ) {
3933 airo_print_err(ai->dev->name,
3934 "Max tries exceeded when issueing command");
3935 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3936 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3940 // command completed
3941 pRsp->status = IN4500(ai, STATUS);
3942 pRsp->rsp0 = IN4500(ai, RESP0);
3943 pRsp->rsp1 = IN4500(ai, RESP1);
3944 pRsp->rsp2 = IN4500(ai, RESP2);
3945 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3946 airo_print_err(ai->dev->name,
3947 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3948 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3951 // clear stuck command busy if necessary
3952 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3953 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3955 // acknowledge processing the status/response
3956 OUT4500(ai, EVACK, EV_CMD);
3961 /* Sets up the bap to start exchange data. whichbap should
3962 * be one of the BAP0 or BAP1 defines. Locks should be held before
3964 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3969 OUT4500(ai, SELECT0+whichbap, rid);
3970 OUT4500(ai, OFFSET0+whichbap, offset);
3972 int status = IN4500(ai, OFFSET0+whichbap);
3973 if (status & BAP_BUSY) {
3974 /* This isn't really a timeout, but its kinda
3979 } else if ( status & BAP_ERR ) {
3980 /* invalid rid or offset */
3981 airo_print_err(ai->dev->name, "BAP error %x %d",
3984 } else if (status & BAP_DONE) { // success
3987 if ( !(max_tries--) ) {
3988 airo_print_err(ai->dev->name,
3989 "airo: BAP setup error too many retries\n");
3992 // -- PC4500 missed it, try again
3993 OUT4500(ai, SELECT0+whichbap, rid);
3994 OUT4500(ai, OFFSET0+whichbap, offset);
3999 /* should only be called by aux_bap_read. This aux function and the
4000 following use concepts not documented in the developers guide. I
4001 got them from a patch given to my by Aironet */
4002 static u16 aux_setup(struct airo_info *ai, u16 page,
4003 u16 offset, u16 *len)
4007 OUT4500(ai, AUXPAGE, page);
4008 OUT4500(ai, AUXOFF, 0);
4009 next = IN4500(ai, AUXDATA);
4010 *len = IN4500(ai, AUXDATA)&0xff;
4011 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4015 /* requires call to bap_setup() first */
4016 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4017 int bytelen, int whichbap)
4025 unsigned long flags;
4027 spin_lock_irqsave(&ai->aux_lock, flags);
4028 page = IN4500(ai, SWS0+whichbap);
4029 offset = IN4500(ai, SWS2+whichbap);
4030 next = aux_setup(ai, page, offset, &len);
4031 words = (bytelen+1)>>1;
4033 for (i=0; i<words;) {
4035 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4037 insw( ai->dev->base_addr+DATA0+whichbap,
4040 insb( ai->dev->base_addr+DATA0+whichbap,
4041 pu16Dst+i, count << 1 );
4044 next = aux_setup(ai, next, 4, &len);
4047 spin_unlock_irqrestore(&ai->aux_lock, flags);
4052 /* requires call to bap_setup() first */
4053 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4054 int bytelen, int whichbap)
4056 bytelen = (bytelen + 1) & (~1); // round up to even value
4058 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4060 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4064 /* requires call to bap_setup() first */
4065 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4066 int bytelen, int whichbap)
4068 bytelen = (bytelen + 1) & (~1); // round up to even value
4070 outsw( ai->dev->base_addr+DATA0+whichbap,
4071 pu16Src, bytelen>>1 );
4073 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4077 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4079 Cmd cmd; /* for issuing commands */
4080 Resp rsp; /* response from commands */
4083 memset(&cmd, 0, sizeof(cmd));
4086 status = issuecommand(ai, &cmd, &rsp);
4087 if (status != 0) return status;
4088 if ( (rsp.status & 0x7F00) != 0) {
4089 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4094 /* Note, that we are using BAP1 which is also used by transmit, so
4095 * we must get a lock. */
4096 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4102 if (down_interruptible(&ai->sem))
4105 if (test_bit(FLAG_MPI,&ai->flags)) {
4109 memset(&cmd, 0, sizeof(cmd));
4110 memset(&rsp, 0, sizeof(rsp));
4111 ai->config_desc.rid_desc.valid = 1;
4112 ai->config_desc.rid_desc.len = RIDSIZE;
4113 ai->config_desc.rid_desc.rid = 0;
4114 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4116 cmd.cmd = CMD_ACCESS;
4119 memcpy_toio(ai->config_desc.card_ram_off,
4120 &ai->config_desc.rid_desc, sizeof(Rid));
4122 rc = issuecommand(ai, &cmd, &rsp);
4124 if (rsp.status & 0x7f00)
4127 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4130 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4134 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4138 // read the rid length field
4139 bap_read(ai, pBuf, 2, BAP1);
4140 // length for remaining part of rid
4141 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4144 airo_print_err(ai->dev->name,
4145 "Rid %x has a length of %d which is too short",
4146 (int)rid, (int)len );
4150 // read remainder of the rid
4151 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4159 /* Note, that we are using BAP1 which is also used by transmit, so
4160 * make sure this isnt called when a transmit is happening */
4161 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4162 const void *pBuf, int len, int lock)
4167 *(u16*)pBuf = cpu_to_le16((u16)len);
4170 if (down_interruptible(&ai->sem))
4173 if (test_bit(FLAG_MPI,&ai->flags)) {
4177 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4178 airo_print_err(ai->dev->name,
4179 "%s: MAC should be disabled (rid=%04x)",
4181 memset(&cmd, 0, sizeof(cmd));
4182 memset(&rsp, 0, sizeof(rsp));
4184 ai->config_desc.rid_desc.valid = 1;
4185 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4186 ai->config_desc.rid_desc.rid = 0;
4188 cmd.cmd = CMD_WRITERID;
4191 memcpy_toio(ai->config_desc.card_ram_off,
4192 &ai->config_desc.rid_desc, sizeof(Rid));
4194 if (len < 4 || len > 2047) {
4195 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4198 memcpy((char *)ai->config_desc.virtual_host_addr,
4201 rc = issuecommand(ai, &cmd, &rsp);
4202 if ((rc & 0xff00) != 0) {
4203 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4205 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4206 __FUNCTION__, cmd.cmd);
4209 if ((rsp.status & 0x7f00))
4213 // --- first access so that we can write the rid data
4214 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4218 // --- now write the rid data
4219 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4223 bap_write(ai, pBuf, len, BAP1);
4224 // ---now commit the rid data
4225 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4233 /* Allocates a FID to be used for transmitting packets. We only use
4235 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4237 unsigned int loop = 3000;
4243 cmd.cmd = CMD_ALLOCATETX;
4244 cmd.parm0 = lenPayload;
4245 if (down_interruptible(&ai->sem))
4247 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4251 if ( (rsp.status & 0xFF00) != 0) {
4255 /* wait for the allocate event/indication
4256 * It makes me kind of nervous that this can just sit here and spin,
4257 * but in practice it only loops like four times. */
4258 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4264 // get the allocated fid and acknowledge
4265 txFid = IN4500(ai, TXALLOCFID);
4266 OUT4500(ai, EVACK, EV_ALLOC);
4268 /* The CARD is pretty cool since it converts the ethernet packet
4269 * into 802.11. Also note that we don't release the FID since we
4270 * will be using the same one over and over again. */
4271 /* We only have to setup the control once since we are not
4272 * releasing the fid. */
4274 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4275 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4277 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4278 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4279 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4282 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4290 /* In general BAP1 is dedicated to transmiting packets. However,
4291 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4292 Make sure the BAP1 spinlock is held when this is called. */
4293 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4304 if (len <= ETH_ALEN * 2) {
4305 airo_print_warn(ai->dev->name, "Short packet %d", len);
4308 len -= ETH_ALEN * 2;
4310 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4311 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4312 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4314 miclen = sizeof(pMic);
4316 // packet is destination[6], source[6], payload[len-12]
4317 // write the payload length and dst/src/payload
4318 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4319 /* The hardware addresses aren't counted as part of the payload, so
4320 * we have to subtract the 12 bytes for the addresses off */
4321 payloadLen = cpu_to_le16(len + miclen);
4322 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4323 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4325 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4326 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4327 // issue the transmit command
4328 memset( &cmd, 0, sizeof( cmd ) );
4329 cmd.cmd = CMD_TRANSMIT;
4331 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4332 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4336 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4351 fc = le16_to_cpu(*(const u16*)pPacket);
4354 if ((fc & 0xe0) == 0xc0)
4360 if ((fc&0x300)==0x300){
4369 airo_print_warn(ai->dev->name, "Short packet %d", len);
4373 /* packet is 802.11 header + payload
4374 * write the payload length and dst/src/payload */
4375 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4376 /* The 802.11 header aren't counted as part of the payload, so
4377 * we have to subtract the header bytes off */
4378 payloadLen = cpu_to_le16(len-hdrlen);
4379 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4380 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4381 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4382 bap_write(ai, hdrlen == 30 ?
4383 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4385 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4386 // issue the transmit command
4387 memset( &cmd, 0, sizeof( cmd ) );
4388 cmd.cmd = CMD_TRANSMIT;
4390 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4391 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4396 * This is the proc_fs routines. It is a bit messier than I would
4397 * like! Feel free to clean it up!
4400 static ssize_t proc_read( struct file *file,
4401 char __user *buffer,
4405 static ssize_t proc_write( struct file *file,
4406 const char __user *buffer,
4409 static int proc_close( struct inode *inode, struct file *file );
4411 static int proc_stats_open( struct inode *inode, struct file *file );
4412 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4413 static int proc_status_open( struct inode *inode, struct file *file );
4414 static int proc_SSID_open( struct inode *inode, struct file *file );
4415 static int proc_APList_open( struct inode *inode, struct file *file );
4416 static int proc_BSSList_open( struct inode *inode, struct file *file );
4417 static int proc_config_open( struct inode *inode, struct file *file );
4418 static int proc_wepkey_open( struct inode *inode, struct file *file );
4420 static struct file_operations proc_statsdelta_ops = {
4422 .open = proc_statsdelta_open,
4423 .release = proc_close
4426 static struct file_operations proc_stats_ops = {
4428 .open = proc_stats_open,
4429 .release = proc_close
4432 static struct file_operations proc_status_ops = {
4434 .open = proc_status_open,
4435 .release = proc_close
4438 static struct file_operations proc_SSID_ops = {
4440 .write = proc_write,
4441 .open = proc_SSID_open,
4442 .release = proc_close
4445 static struct file_operations proc_BSSList_ops = {
4447 .write = proc_write,
4448 .open = proc_BSSList_open,
4449 .release = proc_close
4452 static struct file_operations proc_APList_ops = {
4454 .write = proc_write,
4455 .open = proc_APList_open,
4456 .release = proc_close
4459 static struct file_operations proc_config_ops = {
4461 .write = proc_write,
4462 .open = proc_config_open,
4463 .release = proc_close
4466 static struct file_operations proc_wepkey_ops = {
4468 .write = proc_write,
4469 .open = proc_wepkey_open,
4470 .release = proc_close
4473 static struct proc_dir_entry *airo_entry;
4482 void (*on_close) (struct inode *, struct file *);
4486 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4489 static int setup_proc_entry( struct net_device *dev,
4490 struct airo_info *apriv ) {
4491 struct proc_dir_entry *entry;
4492 /* First setup the device directory */
4493 strcpy(apriv->proc_name,dev->name);
4494 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4497 apriv->proc_entry->uid = proc_uid;
4498 apriv->proc_entry->gid = proc_gid;
4499 apriv->proc_entry->owner = THIS_MODULE;
4501 /* Setup the StatsDelta */
4502 entry = create_proc_entry("StatsDelta",
4503 S_IFREG | (S_IRUGO&proc_perm),
4505 entry->uid = proc_uid;
4506 entry->gid = proc_gid;
4508 entry->owner = THIS_MODULE;
4509 SETPROC_OPS(entry, proc_statsdelta_ops);
4511 /* Setup the Stats */
4512 entry = create_proc_entry("Stats",
4513 S_IFREG | (S_IRUGO&proc_perm),
4515 entry->uid = proc_uid;
4516 entry->gid = proc_gid;
4518 entry->owner = THIS_MODULE;
4519 SETPROC_OPS(entry, proc_stats_ops);
4521 /* Setup the Status */
4522 entry = create_proc_entry("Status",
4523 S_IFREG | (S_IRUGO&proc_perm),
4525 entry->uid = proc_uid;
4526 entry->gid = proc_gid;
4528 entry->owner = THIS_MODULE;
4529 SETPROC_OPS(entry, proc_status_ops);
4531 /* Setup the Config */
4532 entry = create_proc_entry("Config",
4533 S_IFREG | proc_perm,
4535 entry->uid = proc_uid;
4536 entry->gid = proc_gid;
4538 entry->owner = THIS_MODULE;
4539 SETPROC_OPS(entry, proc_config_ops);
4541 /* Setup the SSID */
4542 entry = create_proc_entry("SSID",
4543 S_IFREG | proc_perm,
4545 entry->uid = proc_uid;
4546 entry->gid = proc_gid;
4548 entry->owner = THIS_MODULE;
4549 SETPROC_OPS(entry, proc_SSID_ops);
4551 /* Setup the APList */
4552 entry = create_proc_entry("APList",
4553 S_IFREG | proc_perm,
4555 entry->uid = proc_uid;
4556 entry->gid = proc_gid;
4558 entry->owner = THIS_MODULE;
4559 SETPROC_OPS(entry, proc_APList_ops);
4561 /* Setup the BSSList */
4562 entry = create_proc_entry("BSSList",
4563 S_IFREG | proc_perm,
4565 entry->uid = proc_uid;
4566 entry->gid = proc_gid;
4568 entry->owner = THIS_MODULE;
4569 SETPROC_OPS(entry, proc_BSSList_ops);
4571 /* Setup the WepKey */
4572 entry = create_proc_entry("WepKey",
4573 S_IFREG | proc_perm,
4575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
4578 entry->owner = THIS_MODULE;
4579 SETPROC_OPS(entry, proc_wepkey_ops);
4584 static int takedown_proc_entry( struct net_device *dev,
4585 struct airo_info *apriv ) {
4586 if ( !apriv->proc_entry->namelen ) return 0;
4587 remove_proc_entry("Stats",apriv->proc_entry);
4588 remove_proc_entry("StatsDelta",apriv->proc_entry);
4589 remove_proc_entry("Status",apriv->proc_entry);
4590 remove_proc_entry("Config",apriv->proc_entry);
4591 remove_proc_entry("SSID",apriv->proc_entry);
4592 remove_proc_entry("APList",apriv->proc_entry);
4593 remove_proc_entry("BSSList",apriv->proc_entry);
4594 remove_proc_entry("WepKey",apriv->proc_entry);
4595 remove_proc_entry(apriv->proc_name,airo_entry);
4600 * What we want from the proc_fs is to be able to efficiently read
4601 * and write the configuration. To do this, we want to read the
4602 * configuration when the file is opened and write it when the file is
4603 * closed. So basically we allocate a read buffer at open and fill it
4604 * with data, and allocate a write buffer and read it at close.
4608 * The read routine is generic, it relies on the preallocated rbuffer
4609 * to supply the data.
4611 static ssize_t proc_read( struct file *file,
4612 char __user *buffer,
4616 loff_t pos = *offset;
4617 struct proc_data *priv = (struct proc_data*)file->private_data;
4624 if (pos >= priv->readlen)
4626 if (len > priv->readlen - pos)
4627 len = priv->readlen - pos;
4628 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4630 *offset = pos + len;
4635 * The write routine is generic, it fills in a preallocated rbuffer
4636 * to supply the data.
4638 static ssize_t proc_write( struct file *file,
4639 const char __user *buffer,
4643 loff_t pos = *offset;
4644 struct proc_data *priv = (struct proc_data*)file->private_data;
4651 if (pos >= priv->maxwritelen)
4653 if (len > priv->maxwritelen - pos)
4654 len = priv->maxwritelen - pos;
4655 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4657 if ( pos + len > priv->writelen )
4658 priv->writelen = len + file->f_pos;
4659 *offset = pos + len;
4663 static int proc_status_open( struct inode *inode, struct file *file ) {
4664 struct proc_data *data;
4665 struct proc_dir_entry *dp = PDE(inode);
4666 struct net_device *dev = dp->data;
4667 struct airo_info *apriv = dev->priv;
4668 CapabilityRid cap_rid;
4669 StatusRid status_rid;
4672 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4674 data = (struct proc_data *)file->private_data;
4675 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4676 kfree (file->private_data);
4680 readStatusRid(apriv, &status_rid, 1);
4681 readCapabilityRid(apriv, &cap_rid, 1);
4683 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4684 status_rid.mode & 1 ? "CFG ": "",
4685 status_rid.mode & 2 ? "ACT ": "",
4686 status_rid.mode & 0x10 ? "SYN ": "",
4687 status_rid.mode & 0x20 ? "LNK ": "",
4688 status_rid.mode & 0x40 ? "LEAP ": "",
4689 status_rid.mode & 0x80 ? "PRIV ": "",
4690 status_rid.mode & 0x100 ? "KEY ": "",
4691 status_rid.mode & 0x200 ? "WEP ": "",
4692 status_rid.mode & 0x8000 ? "ERR ": "");
4693 sprintf( data->rbuffer+i, "Mode: %x\n"
4694 "Signal Strength: %d\n"
4695 "Signal Quality: %d\n"
4700 "Driver Version: %s\n"
4701 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4702 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4703 "Software Version: %x\nSoftware Subversion: %x\n"
4704 "Boot block version: %x\n",
4705 (int)status_rid.mode,
4706 (int)status_rid.normalizedSignalStrength,
4707 (int)status_rid.signalQuality,
4708 (int)status_rid.SSIDlen,
4711 (int)status_rid.channel,
4712 (int)status_rid.currentXmitRate/2,
4720 (int)cap_rid.softVer,
4721 (int)cap_rid.softSubVer,
4722 (int)cap_rid.bootBlockVer );
4723 data->readlen = strlen( data->rbuffer );
4727 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4728 static int proc_statsdelta_open( struct inode *inode,
4729 struct file *file ) {
4730 if (file->f_mode&FMODE_WRITE) {
4731 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4733 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4736 static int proc_stats_open( struct inode *inode, struct file *file ) {
4737 return proc_stats_rid_open(inode, file, RID_STATS);
4740 static int proc_stats_rid_open( struct inode *inode,
4743 struct proc_data *data;
4744 struct proc_dir_entry *dp = PDE(inode);
4745 struct net_device *dev = dp->data;
4746 struct airo_info *apriv = dev->priv;
4749 u32 *vals = stats.vals;
4751 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4753 data = (struct proc_data *)file->private_data;
4754 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4755 kfree (file->private_data);
4759 readStatsRid(apriv, &stats, rid, 1);
4762 for(i=0; statsLabels[i]!=(char *)-1 &&
4763 i*4<stats.len; i++){
4764 if (!statsLabels[i]) continue;
4765 if (j+strlen(statsLabels[i])+16>4096) {
4766 airo_print_warn(apriv->dev->name,
4767 "Potentially disasterous buffer overflow averted!");
4770 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4772 if (i*4>=stats.len){
4773 airo_print_warn(apriv->dev->name, "Got a short rid");
4779 static int get_dec_u16( char *buffer, int *start, int limit ) {
4782 for( value = 0; buffer[*start] >= '0' &&
4783 buffer[*start] <= '9' &&
4784 *start < limit; (*start)++ ) {
4787 value += buffer[*start] - '0';
4789 if ( !valid ) return -1;
4793 static int airo_config_commit(struct net_device *dev,
4794 struct iw_request_info *info, void *zwrq,
4797 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4798 struct proc_data *data = file->private_data;
4799 struct proc_dir_entry *dp = PDE(inode);
4800 struct net_device *dev = dp->data;
4801 struct airo_info *ai = dev->priv;
4804 if ( !data->writelen ) return;
4806 readConfigRid(ai, 1);
4807 set_bit (FLAG_COMMIT, &ai->flags);
4809 line = data->wbuffer;
4811 /*** Mode processing */
4812 if ( !strncmp( line, "Mode: ", 6 ) ) {
4814 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4815 set_bit (FLAG_RESET, &ai->flags);
4816 ai->config.rmode &= 0xfe00;
4817 clear_bit (FLAG_802_11, &ai->flags);
4818 ai->config.opmode &= 0xFF00;
4819 ai->config.scanMode = SCANMODE_ACTIVE;
4820 if ( line[0] == 'a' ) {
4821 ai->config.opmode |= 0;
4823 ai->config.opmode |= 1;
4824 if ( line[0] == 'r' ) {
4825 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4826 ai->config.scanMode = SCANMODE_PASSIVE;
4827 set_bit (FLAG_802_11, &ai->flags);
4828 } else if ( line[0] == 'y' ) {
4829 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4830 ai->config.scanMode = SCANMODE_PASSIVE;
4831 set_bit (FLAG_802_11, &ai->flags);
4832 } else if ( line[0] == 'l' )
4833 ai->config.rmode |= RXMODE_LANMON;
4835 set_bit (FLAG_COMMIT, &ai->flags);
4838 /*** Radio status */
4839 else if (!strncmp(line,"Radio: ", 7)) {
4841 if (!strncmp(line,"off",3)) {
4842 set_bit (FLAG_RADIO_OFF, &ai->flags);
4844 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4847 /*** NodeName processing */
4848 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4852 memset( ai->config.nodeName, 0, 16 );
4853 /* Do the name, assume a space between the mode and node name */
4854 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4855 ai->config.nodeName[j] = line[j];
4857 set_bit (FLAG_COMMIT, &ai->flags);
4860 /*** PowerMode processing */
4861 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4863 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4864 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4865 set_bit (FLAG_COMMIT, &ai->flags);
4866 } else if ( !strncmp( line, "PSP", 3 ) ) {
4867 ai->config.powerSaveMode = POWERSAVE_PSP;
4868 set_bit (FLAG_COMMIT, &ai->flags);
4870 ai->config.powerSaveMode = POWERSAVE_CAM;
4871 set_bit (FLAG_COMMIT, &ai->flags);
4873 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4874 int v, i = 0, k = 0; /* i is index into line,
4875 k is index to rates */
4878 while((v = get_dec_u16(line, &i, 3))!=-1) {
4879 ai->config.rates[k++] = (u8)v;
4883 set_bit (FLAG_COMMIT, &ai->flags);
4884 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4887 v = get_dec_u16(line, &i, i+3);
4889 ai->config.channelSet = (u16)v;
4890 set_bit (FLAG_COMMIT, &ai->flags);
4892 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4895 v = get_dec_u16(line, &i, i+3);
4897 ai->config.txPower = (u16)v;
4898 set_bit (FLAG_COMMIT, &ai->flags);
4900 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4904 ai->config.authType = (u16)AUTH_SHAREDKEY;
4907 ai->config.authType = (u16)AUTH_ENCRYPT;
4910 ai->config.authType = (u16)AUTH_OPEN;
4913 set_bit (FLAG_COMMIT, &ai->flags);
4914 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4918 v = get_dec_u16(line, &i, 3);
4919 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4920 ai->config.longRetryLimit = (u16)v;
4921 set_bit (FLAG_COMMIT, &ai->flags);
4922 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4926 v = get_dec_u16(line, &i, 3);
4927 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4928 ai->config.shortRetryLimit = (u16)v;
4929 set_bit (FLAG_COMMIT, &ai->flags);
4930 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4934 v = get_dec_u16(line, &i, 4);
4935 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4936 ai->config.rtsThres = (u16)v;
4937 set_bit (FLAG_COMMIT, &ai->flags);
4938 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4942 v = get_dec_u16(line, &i, 5);
4944 ai->config.txLifetime = (u16)v;
4945 set_bit (FLAG_COMMIT, &ai->flags);
4946 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4950 v = get_dec_u16(line, &i, 5);
4952 ai->config.rxLifetime = (u16)v;
4953 set_bit (FLAG_COMMIT, &ai->flags);
4954 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4955 ai->config.txDiversity =
4956 (line[13]=='l') ? 1 :
4957 ((line[13]=='r')? 2: 3);
4958 set_bit (FLAG_COMMIT, &ai->flags);
4959 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4960 ai->config.rxDiversity =
4961 (line[13]=='l') ? 1 :
4962 ((line[13]=='r')? 2: 3);
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4968 v = get_dec_u16(line, &i, 4);
4969 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4970 v = v & 0xfffe; /* Make sure its even */
4971 ai->config.fragThresh = (u16)v;
4972 set_bit (FLAG_COMMIT, &ai->flags);
4973 } else if (!strncmp(line, "Modulation: ", 12)) {
4976 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4977 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4978 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4979 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4981 } else if (!strncmp(line, "Preamble: ", 10)) {
4984 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4985 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4986 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4987 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4990 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4992 while( line[0] && line[0] != '\n' ) line++;
4993 if ( line[0] ) line++;
4995 airo_config_commit(dev, NULL, NULL, NULL);
4998 static char *get_rmode(u16 mode) {
5000 case RXMODE_RFMON: return "rfmon";
5001 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5002 case RXMODE_LANMON: return "lanmon";
5007 static int proc_config_open( struct inode *inode, struct file *file ) {
5008 struct proc_data *data;
5009 struct proc_dir_entry *dp = PDE(inode);
5010 struct net_device *dev = dp->data;
5011 struct airo_info *ai = dev->priv;
5014 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5016 data = (struct proc_data *)file->private_data;
5017 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5018 kfree (file->private_data);
5021 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5022 kfree (data->rbuffer);
5023 kfree (file->private_data);
5026 data->maxwritelen = 2048;
5027 data->on_close = proc_config_on_close;
5029 readConfigRid(ai, 1);
5031 i = sprintf( data->rbuffer,
5036 "DataRates: %d %d %d %d %d %d %d %d\n"
5039 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5040 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5041 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5042 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5043 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5044 ai->config.nodeName,
5045 ai->config.powerSaveMode == 0 ? "CAM" :
5046 ai->config.powerSaveMode == 1 ? "PSP" :
5047 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5048 (int)ai->config.rates[0],
5049 (int)ai->config.rates[1],
5050 (int)ai->config.rates[2],
5051 (int)ai->config.rates[3],
5052 (int)ai->config.rates[4],
5053 (int)ai->config.rates[5],
5054 (int)ai->config.rates[6],
5055 (int)ai->config.rates[7],
5056 (int)ai->config.channelSet,
5057 (int)ai->config.txPower
5059 sprintf( data->rbuffer + i,
5060 "LongRetryLimit: %d\n"
5061 "ShortRetryLimit: %d\n"
5062 "RTSThreshold: %d\n"
5063 "TXMSDULifetime: %d\n"
5064 "RXMSDULifetime: %d\n"
5067 "FragThreshold: %d\n"
5071 (int)ai->config.longRetryLimit,
5072 (int)ai->config.shortRetryLimit,
5073 (int)ai->config.rtsThres,
5074 (int)ai->config.txLifetime,
5075 (int)ai->config.rxLifetime,
5076 ai->config.txDiversity == 1 ? "left" :
5077 ai->config.txDiversity == 2 ? "right" : "both",
5078 ai->config.rxDiversity == 1 ? "left" :
5079 ai->config.rxDiversity == 2 ? "right" : "both",
5080 (int)ai->config.fragThresh,
5081 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5082 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5083 ai->config.modulation == 0 ? "default" :
5084 ai->config.modulation == MOD_CCK ? "cck" :
5085 ai->config.modulation == MOD_MOK ? "mok" : "error",
5086 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5087 ai->config.preamble == PREAMBLE_LONG ? "long" :
5088 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5090 data->readlen = strlen( data->rbuffer );
5094 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5095 struct proc_data *data = (struct proc_data *)file->private_data;
5096 struct proc_dir_entry *dp = PDE(inode);
5097 struct net_device *dev = dp->data;
5098 struct airo_info *ai = dev->priv;
5104 if ( !data->writelen ) return;
5106 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5108 for( i = 0; i < 3; i++ ) {
5110 for( j = 0; j+offset < data->writelen && j < 32 &&
5111 data->wbuffer[offset+j] != '\n'; j++ ) {
5112 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5114 if ( j == 0 ) break;
5115 SSID_rid.ssids[i].len = j;
5117 while( data->wbuffer[offset] != '\n' &&
5118 offset < data->writelen ) offset++;
5122 SSID_rid.len = sizeof(SSID_rid);
5124 writeSsidRid(ai, &SSID_rid, 1);
5125 enable_MAC(ai, &rsp, 1);
5128 static inline u8 hexVal(char c) {
5129 if (c>='0' && c<='9') return c -= '0';
5130 if (c>='a' && c<='f') return c -= 'a'-10;
5131 if (c>='A' && c<='F') return c -= 'A'-10;
5135 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5136 struct proc_data *data = (struct proc_data *)file->private_data;
5137 struct proc_dir_entry *dp = PDE(inode);
5138 struct net_device *dev = dp->data;
5139 struct airo_info *ai = dev->priv;
5140 APListRid APList_rid;
5144 if ( !data->writelen ) return;
5146 memset( &APList_rid, 0, sizeof(APList_rid) );
5147 APList_rid.len = sizeof(APList_rid);
5149 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5151 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5154 APList_rid.ap[i][j/3]=
5155 hexVal(data->wbuffer[j+i*6*3])<<4;
5158 APList_rid.ap[i][j/3]|=
5159 hexVal(data->wbuffer[j+i*6*3]);
5165 writeAPListRid(ai, &APList_rid, 1);
5166 enable_MAC(ai, &rsp, 1);
5169 /* This function wraps PC4500_writerid with a MAC disable */
5170 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5171 int len, int dummy ) {
5176 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5177 enable_MAC(ai, &rsp, 1);
5181 /* Returns the length of the key at the index. If index == 0xffff
5182 * the index of the transmit key is returned. If the key doesn't exist,
5183 * -1 will be returned.
5185 static int get_wep_key(struct airo_info *ai, u16 index) {
5190 rc = readWepKeyRid(ai, &wkr, 1, 1);
5191 if (rc == SUCCESS) do {
5192 lastindex = wkr.kindex;
5193 if (wkr.kindex == index) {
5194 if (index == 0xffff) {
5199 readWepKeyRid(ai, &wkr, 0, 1);
5200 } while(lastindex != wkr.kindex);
5204 static int set_wep_key(struct airo_info *ai, u16 index,
5205 const char *key, u16 keylen, int perm, int lock ) {
5206 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5210 memset(&wkr, 0, sizeof(wkr));
5212 // We are selecting which key to use
5213 wkr.len = sizeof(wkr);
5214 wkr.kindex = 0xffff;
5215 wkr.mac[0] = (char)index;
5216 if (perm) ai->defindex = (char)index;
5218 // We are actually setting the key
5219 wkr.len = sizeof(wkr);
5222 memcpy( wkr.key, key, keylen );
5223 memcpy( wkr.mac, macaddr, ETH_ALEN );
5226 if (perm) disable_MAC(ai, lock);
5227 writeWepKeyRid(ai, &wkr, perm, lock);
5228 if (perm) enable_MAC(ai, &rsp, lock);
5232 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5233 struct proc_data *data;
5234 struct proc_dir_entry *dp = PDE(inode);
5235 struct net_device *dev = dp->data;
5236 struct airo_info *ai = dev->priv;
5242 memset(key, 0, sizeof(key));
5244 data = (struct proc_data *)file->private_data;
5245 if ( !data->writelen ) return;
5247 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5248 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5249 index = data->wbuffer[0] - '0';
5250 if (data->wbuffer[1] == '\n') {
5251 set_wep_key(ai, index, NULL, 0, 1, 1);
5256 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5260 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5263 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5266 key[i/3] |= hexVal(data->wbuffer[i+j]);
5270 set_wep_key(ai, index, key, i/3, 1, 1);
5273 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5274 struct proc_data *data;
5275 struct proc_dir_entry *dp = PDE(inode);
5276 struct net_device *dev = dp->data;
5277 struct airo_info *ai = dev->priv;
5284 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5286 memset(&wkr, 0, sizeof(wkr));
5287 data = (struct proc_data *)file->private_data;
5288 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5289 kfree (file->private_data);
5293 data->maxwritelen = 80;
5294 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5295 kfree (data->rbuffer);
5296 kfree (file->private_data);
5299 data->on_close = proc_wepkey_on_close;
5301 ptr = data->rbuffer;
5302 strcpy(ptr, "No wep keys\n");
5303 rc = readWepKeyRid(ai, &wkr, 1, 1);
5304 if (rc == SUCCESS) do {
5305 lastindex = wkr.kindex;
5306 if (wkr.kindex == 0xffff) {
5307 j += sprintf(ptr+j, "Tx key = %d\n",
5310 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5311 (int)wkr.kindex, (int)wkr.klen);
5313 readWepKeyRid(ai, &wkr, 0, 1);
5314 } while((lastindex != wkr.kindex) && (j < 180-30));
5316 data->readlen = strlen( data->rbuffer );
5320 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5321 struct proc_data *data;
5322 struct proc_dir_entry *dp = PDE(inode);
5323 struct net_device *dev = dp->data;
5324 struct airo_info *ai = dev->priv;
5329 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5331 data = (struct proc_data *)file->private_data;
5332 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5333 kfree (file->private_data);
5337 data->maxwritelen = 33*3;
5338 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5339 kfree (data->rbuffer);
5340 kfree (file->private_data);
5343 data->on_close = proc_SSID_on_close;
5345 readSsidRid(ai, &SSID_rid);
5346 ptr = data->rbuffer;
5347 for( i = 0; i < 3; i++ ) {
5349 if ( !SSID_rid.ssids[i].len ) break;
5350 for( j = 0; j < 32 &&
5351 j < SSID_rid.ssids[i].len &&
5352 SSID_rid.ssids[i].ssid[j]; j++ ) {
5353 *ptr++ = SSID_rid.ssids[i].ssid[j];
5358 data->readlen = strlen( data->rbuffer );
5362 static int proc_APList_open( struct inode *inode, struct file *file ) {
5363 struct proc_data *data;
5364 struct proc_dir_entry *dp = PDE(inode);
5365 struct net_device *dev = dp->data;
5366 struct airo_info *ai = dev->priv;
5369 APListRid APList_rid;
5371 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5373 data = (struct proc_data *)file->private_data;
5374 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5375 kfree (file->private_data);
5379 data->maxwritelen = 4*6*3;
5380 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5381 kfree (data->rbuffer);
5382 kfree (file->private_data);
5385 data->on_close = proc_APList_on_close;
5387 readAPListRid(ai, &APList_rid);
5388 ptr = data->rbuffer;
5389 for( i = 0; i < 4; i++ ) {
5390 // We end when we find a zero MAC
5391 if ( !*(int*)APList_rid.ap[i] &&
5392 !*(int*)&APList_rid.ap[i][2]) break;
5393 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5394 (int)APList_rid.ap[i][0],
5395 (int)APList_rid.ap[i][1],
5396 (int)APList_rid.ap[i][2],
5397 (int)APList_rid.ap[i][3],
5398 (int)APList_rid.ap[i][4],
5399 (int)APList_rid.ap[i][5]);
5401 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5404 data->readlen = strlen( data->rbuffer );
5408 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5409 struct proc_data *data;
5410 struct proc_dir_entry *dp = PDE(inode);
5411 struct net_device *dev = dp->data;
5412 struct airo_info *ai = dev->priv;
5414 BSSListRid BSSList_rid;
5416 /* If doLoseSync is not 1, we won't do a Lose Sync */
5417 int doLoseSync = -1;
5419 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5421 data = (struct proc_data *)file->private_data;
5422 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5423 kfree (file->private_data);
5427 data->maxwritelen = 0;
5428 data->wbuffer = NULL;
5429 data->on_close = NULL;
5431 if (file->f_mode & FMODE_WRITE) {
5432 if (!(file->f_mode & FMODE_READ)) {
5436 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5437 memset(&cmd, 0, sizeof(cmd));
5438 cmd.cmd=CMD_LISTBSS;
5439 if (down_interruptible(&ai->sem))
5440 return -ERESTARTSYS;
5441 issuecommand(ai, &cmd, &rsp);
5448 ptr = data->rbuffer;
5449 /* There is a race condition here if there are concurrent opens.
5450 Since it is a rare condition, we'll just live with it, otherwise
5451 we have to add a spin lock... */
5452 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5453 while(rc == 0 && BSSList_rid.index != 0xffff) {
5454 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5455 (int)BSSList_rid.bssid[0],
5456 (int)BSSList_rid.bssid[1],
5457 (int)BSSList_rid.bssid[2],
5458 (int)BSSList_rid.bssid[3],
5459 (int)BSSList_rid.bssid[4],
5460 (int)BSSList_rid.bssid[5],
5461 (int)BSSList_rid.ssidLen,
5463 (int)BSSList_rid.dBm);
5464 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5465 (int)BSSList_rid.dsChannel,
5466 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5467 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5468 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5469 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5470 rc = readBSSListRid(ai, 0, &BSSList_rid);
5473 data->readlen = strlen( data->rbuffer );
5477 static int proc_close( struct inode *inode, struct file *file )
5479 struct proc_data *data = file->private_data;
5481 if (data->on_close != NULL)
5482 data->on_close(inode, file);
5483 kfree(data->rbuffer);
5484 kfree(data->wbuffer);
5489 static struct net_device_list {
5490 struct net_device *dev;
5491 struct net_device_list *next;
5494 /* Since the card doesn't automatically switch to the right WEP mode,
5495 we will make it do it. If the card isn't associated, every secs we
5496 will switch WEP modes to see if that will help. If the card is
5497 associated we will check every minute to see if anything has
5499 static void timer_func( struct net_device *dev ) {
5500 struct airo_info *apriv = dev->priv;
5503 /* We don't have a link so try changing the authtype */
5504 readConfigRid(apriv, 0);
5505 disable_MAC(apriv, 0);
5506 switch(apriv->config.authType) {
5508 /* So drop to OPEN */
5509 apriv->config.authType = AUTH_OPEN;
5511 case AUTH_SHAREDKEY:
5512 if (apriv->keyindex < auto_wep) {
5513 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5514 apriv->config.authType = AUTH_SHAREDKEY;
5517 /* Drop to ENCRYPT */
5518 apriv->keyindex = 0;
5519 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5520 apriv->config.authType = AUTH_ENCRYPT;
5523 default: /* We'll escalate to SHAREDKEY */
5524 apriv->config.authType = AUTH_SHAREDKEY;
5526 set_bit (FLAG_COMMIT, &apriv->flags);
5527 writeConfigRid(apriv, 0);
5528 enable_MAC(apriv, &rsp, 0);
5531 /* Schedule check to see if the change worked */
5532 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5533 apriv->expires = RUN_AT(HZ*3);
5536 static int add_airo_dev( struct net_device *dev ) {
5537 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5542 node->next = airo_devices;
5543 airo_devices = node;
5548 static void del_airo_dev( struct net_device *dev ) {
5549 struct net_device_list **p = &airo_devices;
5550 while( *p && ( (*p)->dev != dev ) )
5552 if ( *p && (*p)->dev == dev )
5557 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5558 const struct pci_device_id *pent)
5560 struct net_device *dev;
5562 if (pci_enable_device(pdev))
5564 pci_set_master(pdev);
5566 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5567 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5569 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5573 pci_set_drvdata(pdev, dev);
5577 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5581 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5583 struct net_device *dev = pci_get_drvdata(pdev);
5584 struct airo_info *ai = dev->priv;
5588 if ((ai->APList == NULL) &&
5589 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5591 if ((ai->SSID == NULL) &&
5592 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5594 readAPListRid(ai, ai->APList);
5595 readSsidRid(ai, ai->SSID);
5596 memset(&cmd, 0, sizeof(cmd));
5597 /* the lock will be released at the end of the resume callback */
5598 if (down_interruptible(&ai->sem))
5601 netif_device_detach(dev);
5604 issuecommand(ai, &cmd, &rsp);
5606 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5607 pci_save_state(pdev);
5608 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5611 static int airo_pci_resume(struct pci_dev *pdev)
5613 struct net_device *dev = pci_get_drvdata(pdev);
5614 struct airo_info *ai = dev->priv;
5616 pci_power_t prev_state = pdev->current_state;
5618 pci_set_power_state(pdev, PCI_D0);
5619 pci_restore_state(pdev);
5620 pci_enable_wake(pdev, PCI_D0, 0);
5622 if (prev_state != PCI_D1) {
5624 mpi_init_descriptors(ai);
5625 setup_card(ai, dev->dev_addr, 0);
5626 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5627 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5629 OUT4500(ai, EVACK, EV_AWAKEN);
5630 OUT4500(ai, EVACK, EV_AWAKEN);
5634 set_bit (FLAG_COMMIT, &ai->flags);
5638 writeSsidRid(ai, ai->SSID, 0);
5643 writeAPListRid(ai, ai->APList, 0);
5647 writeConfigRid(ai, 0);
5648 enable_MAC(ai, &rsp, 0);
5649 ai->power = PMSG_ON;
5650 netif_device_attach(dev);
5651 netif_wake_queue(dev);
5652 enable_interrupts(ai);
5658 static int __init airo_init_module( void )
5660 int i, have_isa_dev = 0;
5662 airo_entry = create_proc_entry("aironet",
5663 S_IFDIR | airo_perm,
5665 airo_entry->uid = proc_uid;
5666 airo_entry->gid = proc_gid;
5668 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5669 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5670 "io=0x%x", irq[i], io[i] );
5671 if (init_airo_card( irq[i], io[i], 0, NULL ))
5676 airo_print_info("", "Probing for PCI adapters");
5677 pci_register_driver(&airo_driver);
5678 airo_print_info("", "Finished probing for PCI adapters");
5681 /* Always exit with success, as we are a library module
5682 * as well as a driver module
5687 static void __exit airo_cleanup_module( void )
5689 while( airo_devices ) {
5690 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5691 stop_airo_card( airo_devices->dev, 1 );
5694 pci_unregister_driver(&airo_driver);
5696 remove_proc_entry("aironet", proc_root_driver);
5700 * Initial Wireless Extension code for Aironet driver by :
5701 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5702 * Conversion to new driver API by :
5703 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5704 * Javier also did a good amount of work here, adding some new extensions
5705 * and fixing my code. Let's just say that without him this code just
5706 * would not work at all... - Jean II
5709 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5714 return (0x100 - rssi_rid[rssi].rssidBm);
5717 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5724 for( i = 0; i < 256; i++ )
5725 if (rssi_rid[i].rssidBm == dbm)
5726 return rssi_rid[i].rssipct;
5732 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5736 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5737 if (memcmp(cap_rid->prodName, "350", 3))
5738 if (status_rid->signalQuality > 0x20)
5741 quality = 0x20 - status_rid->signalQuality;
5743 if (status_rid->signalQuality > 0xb0)
5745 else if (status_rid->signalQuality < 0x10)
5748 quality = 0xb0 - status_rid->signalQuality;
5753 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5754 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5756 /*------------------------------------------------------------------*/
5758 * Wireless Handler : get protocol name
5760 static int airo_get_name(struct net_device *dev,
5761 struct iw_request_info *info,
5765 strcpy(cwrq, "IEEE 802.11-DS");
5769 /*------------------------------------------------------------------*/
5771 * Wireless Handler : set frequency
5773 static int airo_set_freq(struct net_device *dev,
5774 struct iw_request_info *info,
5775 struct iw_freq *fwrq,
5778 struct airo_info *local = dev->priv;
5779 int rc = -EINPROGRESS; /* Call commit handler */
5781 /* If setting by frequency, convert to a channel */
5782 if((fwrq->e == 1) &&
5783 (fwrq->m >= (int) 2.412e8) &&
5784 (fwrq->m <= (int) 2.487e8)) {
5785 int f = fwrq->m / 100000;
5787 while((c < 14) && (f != frequency_list[c]))
5789 /* Hack to fall through... */
5793 /* Setting by channel number */
5794 if((fwrq->m > 1000) || (fwrq->e > 0))
5797 int channel = fwrq->m;
5798 /* We should do a better check than that,
5799 * based on the card capability !!! */
5800 if((channel < 1) || (channel > 14)) {
5801 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5805 readConfigRid(local, 1);
5806 /* Yes ! We can set it !!! */
5807 local->config.channelSet = (u16) channel;
5808 set_bit (FLAG_COMMIT, &local->flags);
5814 /*------------------------------------------------------------------*/
5816 * Wireless Handler : get frequency
5818 static int airo_get_freq(struct net_device *dev,
5819 struct iw_request_info *info,
5820 struct iw_freq *fwrq,
5823 struct airo_info *local = dev->priv;
5824 StatusRid status_rid; /* Card status info */
5827 readConfigRid(local, 1);
5828 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5829 status_rid.channel = local->config.channelSet;
5831 readStatusRid(local, &status_rid, 1);
5833 ch = (int)status_rid.channel;
5834 if((ch > 0) && (ch < 15)) {
5835 fwrq->m = frequency_list[ch - 1] * 100000;
5845 /*------------------------------------------------------------------*/
5847 * Wireless Handler : set ESSID
5849 static int airo_set_essid(struct net_device *dev,
5850 struct iw_request_info *info,
5851 struct iw_point *dwrq,
5854 struct airo_info *local = dev->priv;
5856 SsidRid SSID_rid; /* SSIDs */
5858 /* Reload the list of current SSID */
5859 readSsidRid(local, &SSID_rid);
5861 /* Check if we asked for `any' */
5862 if(dwrq->flags == 0) {
5863 /* Just send an empty SSID list */
5864 memset(&SSID_rid, 0, sizeof(SSID_rid));
5866 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5868 /* Check the size of the string */
5869 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5872 /* Check if index is valid */
5873 if((index < 0) || (index >= 4)) {
5878 memset(SSID_rid.ssids[index].ssid, 0,
5879 sizeof(SSID_rid.ssids[index].ssid));
5880 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5881 SSID_rid.ssids[index].len = dwrq->length - 1;
5883 SSID_rid.len = sizeof(SSID_rid);
5884 /* Write it to the card */
5885 disable_MAC(local, 1);
5886 writeSsidRid(local, &SSID_rid, 1);
5887 enable_MAC(local, &rsp, 1);
5892 /*------------------------------------------------------------------*/
5894 * Wireless Handler : get ESSID
5896 static int airo_get_essid(struct net_device *dev,
5897 struct iw_request_info *info,
5898 struct iw_point *dwrq,
5901 struct airo_info *local = dev->priv;
5902 StatusRid status_rid; /* Card status info */
5904 readStatusRid(local, &status_rid, 1);
5906 /* Note : if dwrq->flags != 0, we should
5907 * get the relevant SSID from the SSID list... */
5909 /* Get the current SSID */
5910 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5911 extra[status_rid.SSIDlen] = '\0';
5912 /* If none, we may want to get the one that was set */
5915 dwrq->length = status_rid.SSIDlen;
5916 dwrq->flags = 1; /* active */
5921 /*------------------------------------------------------------------*/
5923 * Wireless Handler : set AP address
5925 static int airo_set_wap(struct net_device *dev,
5926 struct iw_request_info *info,
5927 struct sockaddr *awrq,
5930 struct airo_info *local = dev->priv;
5933 APListRid APList_rid;
5934 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5935 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5937 if (awrq->sa_family != ARPHRD_ETHER)
5939 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5940 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5941 memset(&cmd, 0, sizeof(cmd));
5942 cmd.cmd=CMD_LOSE_SYNC;
5943 if (down_interruptible(&local->sem))
5944 return -ERESTARTSYS;
5945 issuecommand(local, &cmd, &rsp);
5948 memset(&APList_rid, 0, sizeof(APList_rid));
5949 APList_rid.len = sizeof(APList_rid);
5950 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5951 disable_MAC(local, 1);
5952 writeAPListRid(local, &APList_rid, 1);
5953 enable_MAC(local, &rsp, 1);
5958 /*------------------------------------------------------------------*/
5960 * Wireless Handler : get AP address
5962 static int airo_get_wap(struct net_device *dev,
5963 struct iw_request_info *info,
5964 struct sockaddr *awrq,
5967 struct airo_info *local = dev->priv;
5968 StatusRid status_rid; /* Card status info */
5970 readStatusRid(local, &status_rid, 1);
5972 /* Tentative. This seems to work, wow, I'm lucky !!! */
5973 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5974 awrq->sa_family = ARPHRD_ETHER;
5979 /*------------------------------------------------------------------*/
5981 * Wireless Handler : set Nickname
5983 static int airo_set_nick(struct net_device *dev,
5984 struct iw_request_info *info,
5985 struct iw_point *dwrq,
5988 struct airo_info *local = dev->priv;
5990 /* Check the size of the string */
5991 if(dwrq->length > 16 + 1) {
5994 readConfigRid(local, 1);
5995 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5996 memcpy(local->config.nodeName, extra, dwrq->length);
5997 set_bit (FLAG_COMMIT, &local->flags);
5999 return -EINPROGRESS; /* Call commit handler */
6002 /*------------------------------------------------------------------*/
6004 * Wireless Handler : get Nickname
6006 static int airo_get_nick(struct net_device *dev,
6007 struct iw_request_info *info,
6008 struct iw_point *dwrq,
6011 struct airo_info *local = dev->priv;
6013 readConfigRid(local, 1);
6014 strncpy(extra, local->config.nodeName, 16);
6016 dwrq->length = strlen(extra) + 1;
6021 /*------------------------------------------------------------------*/
6023 * Wireless Handler : set Bit-Rate
6025 static int airo_set_rate(struct net_device *dev,
6026 struct iw_request_info *info,
6027 struct iw_param *vwrq,
6030 struct airo_info *local = dev->priv;
6031 CapabilityRid cap_rid; /* Card capability info */
6035 /* First : get a valid bit rate value */
6036 readCapabilityRid(local, &cap_rid, 1);
6038 /* Which type of value ? */
6039 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6040 /* Setting by rate index */
6041 /* Find value in the magic rate table */
6042 brate = cap_rid.supportedRates[vwrq->value];
6044 /* Setting by frequency value */
6045 u8 normvalue = (u8) (vwrq->value/500000);
6047 /* Check if rate is valid */
6048 for(i = 0 ; i < 8 ; i++) {
6049 if(normvalue == cap_rid.supportedRates[i]) {
6055 /* -1 designed the max rate (mostly auto mode) */
6056 if(vwrq->value == -1) {
6057 /* Get the highest available rate */
6058 for(i = 0 ; i < 8 ; i++) {
6059 if(cap_rid.supportedRates[i] == 0)
6063 brate = cap_rid.supportedRates[i - 1];
6065 /* Check that it is valid */
6070 readConfigRid(local, 1);
6071 /* Now, check if we want a fixed or auto value */
6072 if(vwrq->fixed == 0) {
6073 /* Fill all the rates up to this max rate */
6074 memset(local->config.rates, 0, 8);
6075 for(i = 0 ; i < 8 ; i++) {
6076 local->config.rates[i] = cap_rid.supportedRates[i];
6077 if(local->config.rates[i] == brate)
6082 /* One rate, fixed */
6083 memset(local->config.rates, 0, 8);
6084 local->config.rates[0] = brate;
6086 set_bit (FLAG_COMMIT, &local->flags);
6088 return -EINPROGRESS; /* Call commit handler */
6091 /*------------------------------------------------------------------*/
6093 * Wireless Handler : get Bit-Rate
6095 static int airo_get_rate(struct net_device *dev,
6096 struct iw_request_info *info,
6097 struct iw_param *vwrq,
6100 struct airo_info *local = dev->priv;
6101 StatusRid status_rid; /* Card status info */
6103 readStatusRid(local, &status_rid, 1);
6105 vwrq->value = status_rid.currentXmitRate * 500000;
6106 /* If more than one rate, set auto */
6107 readConfigRid(local, 1);
6108 vwrq->fixed = (local->config.rates[1] == 0);
6113 /*------------------------------------------------------------------*/
6115 * Wireless Handler : set RTS threshold
6117 static int airo_set_rts(struct net_device *dev,
6118 struct iw_request_info *info,
6119 struct iw_param *vwrq,
6122 struct airo_info *local = dev->priv;
6123 int rthr = vwrq->value;
6126 rthr = AIRO_DEF_MTU;
6127 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6130 readConfigRid(local, 1);
6131 local->config.rtsThres = rthr;
6132 set_bit (FLAG_COMMIT, &local->flags);
6134 return -EINPROGRESS; /* Call commit handler */
6137 /*------------------------------------------------------------------*/
6139 * Wireless Handler : get RTS threshold
6141 static int airo_get_rts(struct net_device *dev,
6142 struct iw_request_info *info,
6143 struct iw_param *vwrq,
6146 struct airo_info *local = dev->priv;
6148 readConfigRid(local, 1);
6149 vwrq->value = local->config.rtsThres;
6150 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6156 /*------------------------------------------------------------------*/
6158 * Wireless Handler : set Fragmentation threshold
6160 static int airo_set_frag(struct net_device *dev,
6161 struct iw_request_info *info,
6162 struct iw_param *vwrq,
6165 struct airo_info *local = dev->priv;
6166 int fthr = vwrq->value;
6169 fthr = AIRO_DEF_MTU;
6170 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6173 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6174 readConfigRid(local, 1);
6175 local->config.fragThresh = (u16)fthr;
6176 set_bit (FLAG_COMMIT, &local->flags);
6178 return -EINPROGRESS; /* Call commit handler */
6181 /*------------------------------------------------------------------*/
6183 * Wireless Handler : get Fragmentation threshold
6185 static int airo_get_frag(struct net_device *dev,
6186 struct iw_request_info *info,
6187 struct iw_param *vwrq,
6190 struct airo_info *local = dev->priv;
6192 readConfigRid(local, 1);
6193 vwrq->value = local->config.fragThresh;
6194 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6200 /*------------------------------------------------------------------*/
6202 * Wireless Handler : set Mode of Operation
6204 static int airo_set_mode(struct net_device *dev,
6205 struct iw_request_info *info,
6209 struct airo_info *local = dev->priv;
6212 readConfigRid(local, 1);
6213 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6218 local->config.opmode &= 0xFF00;
6219 local->config.opmode |= MODE_STA_IBSS;
6220 local->config.rmode &= 0xfe00;
6221 local->config.scanMode = SCANMODE_ACTIVE;
6222 clear_bit (FLAG_802_11, &local->flags);
6225 local->config.opmode &= 0xFF00;
6226 local->config.opmode |= MODE_STA_ESS;
6227 local->config.rmode &= 0xfe00;
6228 local->config.scanMode = SCANMODE_ACTIVE;
6229 clear_bit (FLAG_802_11, &local->flags);
6231 case IW_MODE_MASTER:
6232 local->config.opmode &= 0xFF00;
6233 local->config.opmode |= MODE_AP;
6234 local->config.rmode &= 0xfe00;
6235 local->config.scanMode = SCANMODE_ACTIVE;
6236 clear_bit (FLAG_802_11, &local->flags);
6238 case IW_MODE_REPEAT:
6239 local->config.opmode &= 0xFF00;
6240 local->config.opmode |= MODE_AP_RPTR;
6241 local->config.rmode &= 0xfe00;
6242 local->config.scanMode = SCANMODE_ACTIVE;
6243 clear_bit (FLAG_802_11, &local->flags);
6245 case IW_MODE_MONITOR:
6246 local->config.opmode &= 0xFF00;
6247 local->config.opmode |= MODE_STA_ESS;
6248 local->config.rmode &= 0xfe00;
6249 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6250 local->config.scanMode = SCANMODE_PASSIVE;
6251 set_bit (FLAG_802_11, &local->flags);
6257 set_bit (FLAG_RESET, &local->flags);
6258 set_bit (FLAG_COMMIT, &local->flags);
6260 return -EINPROGRESS; /* Call commit handler */
6263 /*------------------------------------------------------------------*/
6265 * Wireless Handler : get Mode of Operation
6267 static int airo_get_mode(struct net_device *dev,
6268 struct iw_request_info *info,
6272 struct airo_info *local = dev->priv;
6274 readConfigRid(local, 1);
6275 /* If not managed, assume it's ad-hoc */
6276 switch (local->config.opmode & 0xFF) {
6278 *uwrq = IW_MODE_INFRA;
6281 *uwrq = IW_MODE_MASTER;
6284 *uwrq = IW_MODE_REPEAT;
6287 *uwrq = IW_MODE_ADHOC;
6293 /*------------------------------------------------------------------*/
6295 * Wireless Handler : set Encryption Key
6297 static int airo_set_encode(struct net_device *dev,
6298 struct iw_request_info *info,
6299 struct iw_point *dwrq,
6302 struct airo_info *local = dev->priv;
6303 CapabilityRid cap_rid; /* Card capability info */
6304 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6305 u16 currentAuthType = local->config.authType;
6307 /* Is WEP supported ? */
6308 readCapabilityRid(local, &cap_rid, 1);
6309 /* Older firmware doesn't support this...
6310 if(!(cap_rid.softCap & 2)) {
6313 readConfigRid(local, 1);
6315 /* Basic checking: do we have a key to set ?
6316 * Note : with the new API, it's impossible to get a NULL pointer.
6317 * Therefore, we need to check a key size == 0 instead.
6318 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6319 * when no key is present (only change flags), but older versions
6320 * don't do it. - Jean II */
6321 if (dwrq->length > 0) {
6323 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6324 int current_index = get_wep_key(local, 0xffff);
6325 /* Check the size of the key */
6326 if (dwrq->length > MAX_KEY_SIZE) {
6329 /* Check the index (none -> use current) */
6330 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6331 index = current_index;
6332 /* Set the length */
6333 if (dwrq->length > MIN_KEY_SIZE)
6334 key.len = MAX_KEY_SIZE;
6336 if (dwrq->length > 0)
6337 key.len = MIN_KEY_SIZE;
6339 /* Disable the key */
6341 /* Check if the key is not marked as invalid */
6342 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6344 memset(key.key, 0, MAX_KEY_SIZE);
6345 /* Copy the key in the driver */
6346 memcpy(key.key, extra, dwrq->length);
6347 /* Send the key to the card */
6348 set_wep_key(local, index, key.key, key.len, perm, 1);
6350 /* WE specify that if a valid key is set, encryption
6351 * should be enabled (user may turn it off later)
6352 * This is also how "iwconfig ethX key on" works */
6353 if((index == current_index) && (key.len > 0) &&
6354 (local->config.authType == AUTH_OPEN)) {
6355 local->config.authType = AUTH_ENCRYPT;
6358 /* Do we want to just set the transmit key index ? */
6359 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6360 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6361 set_wep_key(local, index, NULL, 0, perm, 1);
6363 /* Don't complain if only change the mode */
6364 if(!dwrq->flags & IW_ENCODE_MODE) {
6368 /* Read the flags */
6369 if(dwrq->flags & IW_ENCODE_DISABLED)
6370 local->config.authType = AUTH_OPEN; // disable encryption
6371 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6372 local->config.authType = AUTH_SHAREDKEY; // Only Both
6373 if(dwrq->flags & IW_ENCODE_OPEN)
6374 local->config.authType = AUTH_ENCRYPT; // Only Wep
6375 /* Commit the changes to flags if needed */
6376 if (local->config.authType != currentAuthType)
6377 set_bit (FLAG_COMMIT, &local->flags);
6378 return -EINPROGRESS; /* Call commit handler */
6381 /*------------------------------------------------------------------*/
6383 * Wireless Handler : get Encryption Key
6385 static int airo_get_encode(struct net_device *dev,
6386 struct iw_request_info *info,
6387 struct iw_point *dwrq,
6390 struct airo_info *local = dev->priv;
6391 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6392 CapabilityRid cap_rid; /* Card capability info */
6394 /* Is it supported ? */
6395 readCapabilityRid(local, &cap_rid, 1);
6396 if(!(cap_rid.softCap & 2)) {
6399 readConfigRid(local, 1);
6400 /* Check encryption mode */
6401 switch(local->config.authType) {
6403 dwrq->flags = IW_ENCODE_OPEN;
6405 case AUTH_SHAREDKEY:
6406 dwrq->flags = IW_ENCODE_RESTRICTED;
6410 dwrq->flags = IW_ENCODE_DISABLED;
6413 /* We can't return the key, so set the proper flag and return zero */
6414 dwrq->flags |= IW_ENCODE_NOKEY;
6415 memset(extra, 0, 16);
6417 /* Which key do we want ? -1 -> tx index */
6418 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6419 index = get_wep_key(local, 0xffff);
6420 dwrq->flags |= index + 1;
6421 /* Copy the key to the user buffer */
6422 dwrq->length = get_wep_key(local, index);
6423 if (dwrq->length > 16) {
6429 /*------------------------------------------------------------------*/
6431 * Wireless Handler : set extended Encryption parameters
6433 static int airo_set_encodeext(struct net_device *dev,
6434 struct iw_request_info *info,
6435 union iwreq_data *wrqu,
6438 struct airo_info *local = dev->priv;
6439 struct iw_point *encoding = &wrqu->encoding;
6440 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6441 CapabilityRid cap_rid; /* Card capability info */
6442 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6443 u16 currentAuthType = local->config.authType;
6444 int idx, key_len, alg = ext->alg, set_key = 1;
6447 /* Is WEP supported ? */
6448 readCapabilityRid(local, &cap_rid, 1);
6449 /* Older firmware doesn't support this...
6450 if(!(cap_rid.softCap & 2)) {
6453 readConfigRid(local, 1);
6455 /* Determine and validate the key index */
6456 idx = encoding->flags & IW_ENCODE_INDEX;
6458 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6462 idx = get_wep_key(local, 0xffff);
6464 if (encoding->flags & IW_ENCODE_DISABLED)
6465 alg = IW_ENCODE_ALG_NONE;
6467 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6468 /* Only set transmit key index here, actual
6469 * key is set below if needed.
6471 set_wep_key(local, idx, NULL, 0, perm, 1);
6472 set_key = ext->key_len > 0 ? 1 : 0;
6476 /* Set the requested key first */
6477 memset(key.key, 0, MAX_KEY_SIZE);
6479 case IW_ENCODE_ALG_NONE:
6482 case IW_ENCODE_ALG_WEP:
6483 if (ext->key_len > MIN_KEY_SIZE) {
6484 key.len = MAX_KEY_SIZE;
6485 } else if (ext->key_len > 0) {
6486 key.len = MIN_KEY_SIZE;
6490 key_len = min (ext->key_len, key.len);
6491 memcpy(key.key, ext->key, key_len);
6496 /* Send the key to the card */
6497 set_wep_key(local, idx, key.key, key.len, perm, 1);
6500 /* Read the flags */
6501 if(encoding->flags & IW_ENCODE_DISABLED)
6502 local->config.authType = AUTH_OPEN; // disable encryption
6503 if(encoding->flags & IW_ENCODE_RESTRICTED)
6504 local->config.authType = AUTH_SHAREDKEY; // Only Both
6505 if(encoding->flags & IW_ENCODE_OPEN)
6506 local->config.authType = AUTH_ENCRYPT; // Only Wep
6507 /* Commit the changes to flags if needed */
6508 if (local->config.authType != currentAuthType)
6509 set_bit (FLAG_COMMIT, &local->flags);
6511 return -EINPROGRESS;
6515 /*------------------------------------------------------------------*/
6517 * Wireless Handler : get extended Encryption parameters
6519 static int airo_get_encodeext(struct net_device *dev,
6520 struct iw_request_info *info,
6521 union iwreq_data *wrqu,
6524 struct airo_info *local = dev->priv;
6525 struct iw_point *encoding = &wrqu->encoding;
6526 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6527 CapabilityRid cap_rid; /* Card capability info */
6528 int idx, max_key_len;
6530 /* Is it supported ? */
6531 readCapabilityRid(local, &cap_rid, 1);
6532 if(!(cap_rid.softCap & 2)) {
6535 readConfigRid(local, 1);
6537 max_key_len = encoding->length - sizeof(*ext);
6538 if (max_key_len < 0)
6541 idx = encoding->flags & IW_ENCODE_INDEX;
6543 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6547 idx = get_wep_key(local, 0xffff);
6549 encoding->flags = idx + 1;
6550 memset(ext, 0, sizeof(*ext));
6552 /* Check encryption mode */
6553 switch(local->config.authType) {
6555 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6557 case AUTH_SHAREDKEY:
6558 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6562 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6565 /* We can't return the key, so set the proper flag and return zero */
6566 encoding->flags |= IW_ENCODE_NOKEY;
6567 memset(extra, 0, 16);
6569 /* Copy the key to the user buffer */
6570 ext->key_len = get_wep_key(local, idx);
6571 if (ext->key_len > 16) {
6579 /*------------------------------------------------------------------*/
6581 * Wireless Handler : set extended authentication parameters
6583 static int airo_set_auth(struct net_device *dev,
6584 struct iw_request_info *info,
6585 union iwreq_data *wrqu, char *extra)
6587 struct airo_info *local = dev->priv;
6588 struct iw_param *param = &wrqu->param;
6589 u16 currentAuthType = local->config.authType;
6591 switch (param->flags & IW_AUTH_INDEX) {
6592 case IW_AUTH_WPA_VERSION:
6593 case IW_AUTH_CIPHER_PAIRWISE:
6594 case IW_AUTH_CIPHER_GROUP:
6595 case IW_AUTH_KEY_MGMT:
6596 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6597 case IW_AUTH_PRIVACY_INVOKED:
6599 * airo does not use these parameters
6603 case IW_AUTH_DROP_UNENCRYPTED:
6605 /* Only change auth type if unencrypted */
6606 if (currentAuthType == AUTH_OPEN)
6607 local->config.authType = AUTH_ENCRYPT;
6609 local->config.authType = AUTH_OPEN;
6612 /* Commit the changes to flags if needed */
6613 if (local->config.authType != currentAuthType)
6614 set_bit (FLAG_COMMIT, &local->flags);
6617 case IW_AUTH_80211_AUTH_ALG: {
6618 /* FIXME: What about AUTH_OPEN? This API seems to
6619 * disallow setting our auth to AUTH_OPEN.
6621 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6622 local->config.authType = AUTH_SHAREDKEY;
6623 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6624 local->config.authType = AUTH_ENCRYPT;
6629 /* Commit the changes to flags if needed */
6630 if (local->config.authType != currentAuthType)
6631 set_bit (FLAG_COMMIT, &local->flags);
6634 case IW_AUTH_WPA_ENABLED:
6635 /* Silently accept disable of WPA */
6636 if (param->value > 0)
6643 return -EINPROGRESS;
6647 /*------------------------------------------------------------------*/
6649 * Wireless Handler : get extended authentication parameters
6651 static int airo_get_auth(struct net_device *dev,
6652 struct iw_request_info *info,
6653 union iwreq_data *wrqu, char *extra)
6655 struct airo_info *local = dev->priv;
6656 struct iw_param *param = &wrqu->param;
6657 u16 currentAuthType = local->config.authType;
6659 switch (param->flags & IW_AUTH_INDEX) {
6660 case IW_AUTH_DROP_UNENCRYPTED:
6661 switch (currentAuthType) {
6662 case AUTH_SHAREDKEY:
6672 case IW_AUTH_80211_AUTH_ALG:
6673 switch (currentAuthType) {
6674 case AUTH_SHAREDKEY:
6675 param->value = IW_AUTH_ALG_SHARED_KEY;
6679 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6684 case IW_AUTH_WPA_ENABLED:
6695 /*------------------------------------------------------------------*/
6697 * Wireless Handler : set Tx-Power
6699 static int airo_set_txpow(struct net_device *dev,
6700 struct iw_request_info *info,
6701 struct iw_param *vwrq,
6704 struct airo_info *local = dev->priv;
6705 CapabilityRid cap_rid; /* Card capability info */
6709 readCapabilityRid(local, &cap_rid, 1);
6711 if (vwrq->disabled) {
6712 set_bit (FLAG_RADIO_OFF, &local->flags);
6713 set_bit (FLAG_COMMIT, &local->flags);
6714 return -EINPROGRESS; /* Call commit handler */
6716 if (vwrq->flags != IW_TXPOW_MWATT) {
6719 clear_bit (FLAG_RADIO_OFF, &local->flags);
6720 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6721 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6722 readConfigRid(local, 1);
6723 local->config.txPower = vwrq->value;
6724 set_bit (FLAG_COMMIT, &local->flags);
6725 rc = -EINPROGRESS; /* Call commit handler */
6731 /*------------------------------------------------------------------*/
6733 * Wireless Handler : get Tx-Power
6735 static int airo_get_txpow(struct net_device *dev,
6736 struct iw_request_info *info,
6737 struct iw_param *vwrq,
6740 struct airo_info *local = dev->priv;
6742 readConfigRid(local, 1);
6743 vwrq->value = local->config.txPower;
6744 vwrq->fixed = 1; /* No power control */
6745 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6746 vwrq->flags = IW_TXPOW_MWATT;
6751 /*------------------------------------------------------------------*/
6753 * Wireless Handler : set Retry limits
6755 static int airo_set_retry(struct net_device *dev,
6756 struct iw_request_info *info,
6757 struct iw_param *vwrq,
6760 struct airo_info *local = dev->priv;
6763 if(vwrq->disabled) {
6766 readConfigRid(local, 1);
6767 if(vwrq->flags & IW_RETRY_LIMIT) {
6768 if(vwrq->flags & IW_RETRY_MAX)
6769 local->config.longRetryLimit = vwrq->value;
6770 else if (vwrq->flags & IW_RETRY_MIN)
6771 local->config.shortRetryLimit = vwrq->value;
6773 /* No modifier : set both */
6774 local->config.longRetryLimit = vwrq->value;
6775 local->config.shortRetryLimit = vwrq->value;
6777 set_bit (FLAG_COMMIT, &local->flags);
6778 rc = -EINPROGRESS; /* Call commit handler */
6780 if(vwrq->flags & IW_RETRY_LIFETIME) {
6781 local->config.txLifetime = vwrq->value / 1024;
6782 set_bit (FLAG_COMMIT, &local->flags);
6783 rc = -EINPROGRESS; /* Call commit handler */
6788 /*------------------------------------------------------------------*/
6790 * Wireless Handler : get Retry limits
6792 static int airo_get_retry(struct net_device *dev,
6793 struct iw_request_info *info,
6794 struct iw_param *vwrq,
6797 struct airo_info *local = dev->priv;
6799 vwrq->disabled = 0; /* Can't be disabled */
6801 readConfigRid(local, 1);
6802 /* Note : by default, display the min retry number */
6803 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6804 vwrq->flags = IW_RETRY_LIFETIME;
6805 vwrq->value = (int)local->config.txLifetime * 1024;
6806 } else if((vwrq->flags & IW_RETRY_MAX)) {
6807 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6808 vwrq->value = (int)local->config.longRetryLimit;
6810 vwrq->flags = IW_RETRY_LIMIT;
6811 vwrq->value = (int)local->config.shortRetryLimit;
6812 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6813 vwrq->flags |= IW_RETRY_MIN;
6819 /*------------------------------------------------------------------*/
6821 * Wireless Handler : get range info
6823 static int airo_get_range(struct net_device *dev,
6824 struct iw_request_info *info,
6825 struct iw_point *dwrq,
6828 struct airo_info *local = dev->priv;
6829 struct iw_range *range = (struct iw_range *) extra;
6830 CapabilityRid cap_rid; /* Card capability info */
6834 readCapabilityRid(local, &cap_rid, 1);
6836 dwrq->length = sizeof(struct iw_range);
6837 memset(range, 0, sizeof(*range));
6838 range->min_nwid = 0x0000;
6839 range->max_nwid = 0x0000;
6840 range->num_channels = 14;
6841 /* Should be based on cap_rid.country to give only
6842 * what the current card support */
6844 for(i = 0; i < 14; i++) {
6845 range->freq[k].i = i + 1; /* List index */
6846 range->freq[k].m = frequency_list[i] * 100000;
6847 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6849 range->num_frequency = k;
6851 range->sensitivity = 65535;
6853 /* Hum... Should put the right values there */
6855 range->max_qual.qual = 100; /* % */
6857 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6858 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6859 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6861 /* Experimental measurements - boundary 11/5.5 Mb/s */
6862 /* Note : with or without the (local->rssi), results
6863 * are somewhat different. - Jean II */
6865 range->avg_qual.qual = 50; /* % */
6866 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6868 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6869 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6871 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6873 for(i = 0 ; i < 8 ; i++) {
6874 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6875 if(range->bitrate[i] == 0)
6878 range->num_bitrates = i;
6880 /* Set an indication of the max TCP throughput
6881 * in bit/s that we can expect using this interface.
6882 * May be use for QoS stuff... Jean II */
6884 range->throughput = 5000 * 1000;
6886 range->throughput = 1500 * 1000;
6889 range->max_rts = AIRO_DEF_MTU;
6890 range->min_frag = 256;
6891 range->max_frag = AIRO_DEF_MTU;
6893 if(cap_rid.softCap & 2) {
6895 range->encoding_size[0] = 5;
6897 if (cap_rid.softCap & 0x100) {
6898 range->encoding_size[1] = 13;
6899 range->num_encoding_sizes = 2;
6901 range->num_encoding_sizes = 1;
6902 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6904 range->num_encoding_sizes = 0;
6905 range->max_encoding_tokens = 0;
6908 range->max_pmp = 5000000; /* 5 secs */
6910 range->max_pmt = 65535 * 1024; /* ??? */
6911 range->pmp_flags = IW_POWER_PERIOD;
6912 range->pmt_flags = IW_POWER_TIMEOUT;
6913 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6915 /* Transmit Power - values are in mW */
6916 for(i = 0 ; i < 8 ; i++) {
6917 range->txpower[i] = cap_rid.txPowerLevels[i];
6918 if(range->txpower[i] == 0)
6921 range->num_txpower = i;
6922 range->txpower_capa = IW_TXPOW_MWATT;
6923 range->we_version_source = 19;
6924 range->we_version_compiled = WIRELESS_EXT;
6925 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6926 range->retry_flags = IW_RETRY_LIMIT;
6927 range->r_time_flags = IW_RETRY_LIFETIME;
6928 range->min_retry = 1;
6929 range->max_retry = 65535;
6930 range->min_r_time = 1024;
6931 range->max_r_time = 65535 * 1024;
6933 /* Event capability (kernel + driver) */
6934 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6935 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6936 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6937 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6938 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6939 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6943 /*------------------------------------------------------------------*/
6945 * Wireless Handler : set Power Management
6947 static int airo_set_power(struct net_device *dev,
6948 struct iw_request_info *info,
6949 struct iw_param *vwrq,
6952 struct airo_info *local = dev->priv;
6954 readConfigRid(local, 1);
6955 if (vwrq->disabled) {
6956 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6959 local->config.powerSaveMode = POWERSAVE_CAM;
6960 local->config.rmode &= 0xFF00;
6961 local->config.rmode |= RXMODE_BC_MC_ADDR;
6962 set_bit (FLAG_COMMIT, &local->flags);
6963 return -EINPROGRESS; /* Call commit handler */
6965 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6966 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6967 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6968 set_bit (FLAG_COMMIT, &local->flags);
6969 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6970 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6971 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6972 set_bit (FLAG_COMMIT, &local->flags);
6974 switch (vwrq->flags & IW_POWER_MODE) {
6975 case IW_POWER_UNICAST_R:
6976 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6979 local->config.rmode &= 0xFF00;
6980 local->config.rmode |= RXMODE_ADDR;
6981 set_bit (FLAG_COMMIT, &local->flags);
6983 case IW_POWER_ALL_R:
6984 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6987 local->config.rmode &= 0xFF00;
6988 local->config.rmode |= RXMODE_BC_MC_ADDR;
6989 set_bit (FLAG_COMMIT, &local->flags);
6995 // Note : we may want to factor local->need_commit here
6996 // Note2 : may also want to factor RXMODE_RFMON test
6997 return -EINPROGRESS; /* Call commit handler */
7000 /*------------------------------------------------------------------*/
7002 * Wireless Handler : get Power Management
7004 static int airo_get_power(struct net_device *dev,
7005 struct iw_request_info *info,
7006 struct iw_param *vwrq,
7009 struct airo_info *local = dev->priv;
7012 readConfigRid(local, 1);
7013 mode = local->config.powerSaveMode;
7014 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7016 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7017 vwrq->value = (int)local->config.fastListenDelay * 1024;
7018 vwrq->flags = IW_POWER_TIMEOUT;
7020 vwrq->value = (int)local->config.fastListenInterval * 1024;
7021 vwrq->flags = IW_POWER_PERIOD;
7023 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7024 vwrq->flags |= IW_POWER_UNICAST_R;
7026 vwrq->flags |= IW_POWER_ALL_R;
7031 /*------------------------------------------------------------------*/
7033 * Wireless Handler : set Sensitivity
7035 static int airo_set_sens(struct net_device *dev,
7036 struct iw_request_info *info,
7037 struct iw_param *vwrq,
7040 struct airo_info *local = dev->priv;
7042 readConfigRid(local, 1);
7043 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7044 set_bit (FLAG_COMMIT, &local->flags);
7046 return -EINPROGRESS; /* Call commit handler */
7049 /*------------------------------------------------------------------*/
7051 * Wireless Handler : get Sensitivity
7053 static int airo_get_sens(struct net_device *dev,
7054 struct iw_request_info *info,
7055 struct iw_param *vwrq,
7058 struct airo_info *local = dev->priv;
7060 readConfigRid(local, 1);
7061 vwrq->value = local->config.rssiThreshold;
7062 vwrq->disabled = (vwrq->value == 0);
7068 /*------------------------------------------------------------------*/
7070 * Wireless Handler : get AP List
7071 * Note : this is deprecated in favor of IWSCAN
7073 static int airo_get_aplist(struct net_device *dev,
7074 struct iw_request_info *info,
7075 struct iw_point *dwrq,
7078 struct airo_info *local = dev->priv;
7079 struct sockaddr *address = (struct sockaddr *) extra;
7080 struct iw_quality qual[IW_MAX_AP];
7083 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7085 for (i = 0; i < IW_MAX_AP; i++) {
7086 if (readBSSListRid(local, loseSync, &BSSList))
7089 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7090 address[i].sa_family = ARPHRD_ETHER;
7092 qual[i].level = 0x100 - BSSList.dBm;
7093 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7094 qual[i].updated = IW_QUAL_QUAL_UPDATED
7095 | IW_QUAL_LEVEL_UPDATED
7098 qual[i].level = (BSSList.dBm + 321) / 2;
7100 qual[i].updated = IW_QUAL_QUAL_INVALID
7101 | IW_QUAL_LEVEL_UPDATED
7104 qual[i].noise = local->wstats.qual.noise;
7105 if (BSSList.index == 0xffff)
7109 StatusRid status_rid; /* Card status info */
7110 readStatusRid(local, &status_rid, 1);
7112 i < min(IW_MAX_AP, 4) &&
7113 (status_rid.bssid[i][0]
7114 & status_rid.bssid[i][1]
7115 & status_rid.bssid[i][2]
7116 & status_rid.bssid[i][3]
7117 & status_rid.bssid[i][4]
7118 & status_rid.bssid[i][5])!=0xff &&
7119 (status_rid.bssid[i][0]
7120 | status_rid.bssid[i][1]
7121 | status_rid.bssid[i][2]
7122 | status_rid.bssid[i][3]
7123 | status_rid.bssid[i][4]
7124 | status_rid.bssid[i][5]);
7126 memcpy(address[i].sa_data,
7127 status_rid.bssid[i], ETH_ALEN);
7128 address[i].sa_family = ARPHRD_ETHER;
7131 dwrq->flags = 1; /* Should be define'd */
7132 memcpy(extra + sizeof(struct sockaddr)*i,
7133 &qual, sizeof(struct iw_quality)*i);
7140 /*------------------------------------------------------------------*/
7142 * Wireless Handler : Initiate Scan
7144 static int airo_set_scan(struct net_device *dev,
7145 struct iw_request_info *info,
7146 struct iw_param *vwrq,
7149 struct airo_info *ai = dev->priv;
7154 /* Note : you may have realised that, as this is a SET operation,
7155 * this is privileged and therefore a normal user can't
7157 * This is not an error, while the device perform scanning,
7158 * traffic doesn't flow, so it's a perfect DoS...
7160 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7162 if (down_interruptible(&ai->sem))
7163 return -ERESTARTSYS;
7165 /* If there's already a scan in progress, don't
7166 * trigger another one. */
7167 if (ai->scan_timeout > 0)
7170 /* Initiate a scan command */
7171 ai->scan_timeout = RUN_AT(3*HZ);
7172 memset(&cmd, 0, sizeof(cmd));
7173 cmd.cmd=CMD_LISTBSS;
7174 issuecommand(ai, &cmd, &rsp);
7180 wake_up_interruptible(&ai->thr_wait);
7184 /*------------------------------------------------------------------*/
7186 * Translate scan data returned from the card to a card independent
7187 * format that the Wireless Tools will understand - Jean II
7189 static inline char *airo_translate_scan(struct net_device *dev,
7194 struct airo_info *ai = dev->priv;
7195 struct iw_event iwe; /* Temporary buffer */
7197 char * current_val; /* For rates */
7201 /* First entry *MUST* be the AP MAC address */
7202 iwe.cmd = SIOCGIWAP;
7203 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7204 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7205 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7207 /* Other entries will be displayed in the order we give them */
7210 iwe.u.data.length = bss->ssidLen;
7211 if(iwe.u.data.length > 32)
7212 iwe.u.data.length = 32;
7213 iwe.cmd = SIOCGIWESSID;
7214 iwe.u.data.flags = 1;
7215 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7218 iwe.cmd = SIOCGIWMODE;
7219 capabilities = le16_to_cpu(bss->cap);
7220 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7221 if(capabilities & CAP_ESS)
7222 iwe.u.mode = IW_MODE_MASTER;
7224 iwe.u.mode = IW_MODE_ADHOC;
7225 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7229 iwe.cmd = SIOCGIWFREQ;
7230 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7231 /* iwe.u.freq.m containt the channel (starting 1), our
7232 * frequency_list array start at index 0...
7234 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7236 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7238 /* Add quality statistics */
7241 iwe.u.qual.level = 0x100 - bss->dBm;
7242 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7243 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7244 | IW_QUAL_LEVEL_UPDATED
7247 iwe.u.qual.level = (bss->dBm + 321) / 2;
7248 iwe.u.qual.qual = 0;
7249 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7250 | IW_QUAL_LEVEL_UPDATED
7253 iwe.u.qual.noise = ai->wstats.qual.noise;
7254 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7256 /* Add encryption capability */
7257 iwe.cmd = SIOCGIWENCODE;
7258 if(capabilities & CAP_PRIVACY)
7259 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7261 iwe.u.data.flags = IW_ENCODE_DISABLED;
7262 iwe.u.data.length = 0;
7263 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7265 /* Rate : stuffing multiple values in a single event require a bit
7266 * more of magic - Jean II */
7267 current_val = current_ev + IW_EV_LCP_LEN;
7269 iwe.cmd = SIOCGIWRATE;
7270 /* Those two flags are ignored... */
7271 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7273 for(i = 0 ; i < 8 ; i++) {
7274 /* NULL terminated */
7275 if(bss->rates[i] == 0)
7277 /* Bit rate given in 500 kb/s units (+ 0x80) */
7278 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7279 /* Add new value to event */
7280 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7282 /* Check if we added any event */
7283 if((current_val - current_ev) > IW_EV_LCP_LEN)
7284 current_ev = current_val;
7286 /* Beacon interval */
7287 buf = kmalloc(30, GFP_KERNEL);
7289 iwe.cmd = IWEVCUSTOM;
7290 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7291 iwe.u.data.length = strlen(buf);
7292 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7296 /* Put WPA/RSN Information Elements into the event stream */
7297 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7298 unsigned int num_null_ies = 0;
7299 u16 length = sizeof (bss->extra.iep);
7300 struct ieee80211_info_element *info_element =
7301 (struct ieee80211_info_element *) &bss->extra.iep;
7303 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7304 if (sizeof(*info_element) + info_element->len > length) {
7305 /* Invalid element, don't continue parsing IE */
7309 switch (info_element->id) {
7310 case MFIE_TYPE_SSID:
7311 /* Two zero-length SSID elements
7312 * mean we're done parsing elements */
7313 if (!info_element->len)
7317 case MFIE_TYPE_GENERIC:
7318 if (info_element->len >= 4 &&
7319 info_element->data[0] == 0x00 &&
7320 info_element->data[1] == 0x50 &&
7321 info_element->data[2] == 0xf2 &&
7322 info_element->data[3] == 0x01) {
7323 iwe.cmd = IWEVGENIE;
7324 iwe.u.data.length = min(info_element->len + 2,
7326 current_ev = iwe_stream_add_point(current_ev, end_buf,
7327 &iwe, (char *) info_element);
7332 iwe.cmd = IWEVGENIE;
7333 iwe.u.data.length = min(info_element->len + 2,
7335 current_ev = iwe_stream_add_point(current_ev, end_buf,
7336 &iwe, (char *) info_element);
7343 length -= sizeof(*info_element) + info_element->len;
7345 (struct ieee80211_info_element *)&info_element->
7346 data[info_element->len];
7352 /*------------------------------------------------------------------*/
7354 * Wireless Handler : Read Scan Results
7356 static int airo_get_scan(struct net_device *dev,
7357 struct iw_request_info *info,
7358 struct iw_point *dwrq,
7361 struct airo_info *ai = dev->priv;
7362 BSSListElement *net;
7364 char *current_ev = extra;
7366 /* If a scan is in-progress, return -EAGAIN */
7367 if (ai->scan_timeout > 0)
7370 if (down_interruptible(&ai->sem))
7373 list_for_each_entry (net, &ai->network_list, list) {
7374 /* Translate to WE format this entry */
7375 current_ev = airo_translate_scan(dev, current_ev,
7376 extra + dwrq->length,
7379 /* Check if there is space for one more entry */
7380 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7381 /* Ask user space to try again with a bigger buffer */
7387 /* Length of data */
7388 dwrq->length = (current_ev - extra);
7389 dwrq->flags = 0; /* todo */
7396 /*------------------------------------------------------------------*/
7398 * Commit handler : called after a bunch of SET operations
7400 static int airo_config_commit(struct net_device *dev,
7401 struct iw_request_info *info, /* NULL */
7402 void *zwrq, /* NULL */
7403 char *extra) /* NULL */
7405 struct airo_info *local = dev->priv;
7408 if (!test_bit (FLAG_COMMIT, &local->flags))
7411 /* Some of the "SET" function may have modified some of the
7412 * parameters. It's now time to commit them in the card */
7413 disable_MAC(local, 1);
7414 if (test_bit (FLAG_RESET, &local->flags)) {
7415 APListRid APList_rid;
7418 readAPListRid(local, &APList_rid);
7419 readSsidRid(local, &SSID_rid);
7420 if (test_bit(FLAG_MPI,&local->flags))
7421 setup_card(local, dev->dev_addr, 1 );
7423 reset_airo_card(dev);
7424 disable_MAC(local, 1);
7425 writeSsidRid(local, &SSID_rid, 1);
7426 writeAPListRid(local, &APList_rid, 1);
7428 if (down_interruptible(&local->sem))
7429 return -ERESTARTSYS;
7430 writeConfigRid(local, 0);
7431 enable_MAC(local, &rsp, 0);
7432 if (test_bit (FLAG_RESET, &local->flags))
7433 airo_set_promisc(local);
7440 /*------------------------------------------------------------------*/
7442 * Structures to export the Wireless Handlers
7445 static const struct iw_priv_args airo_private_args[] = {
7446 /*{ cmd, set_args, get_args, name } */
7447 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7448 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7449 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7450 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7453 static const iw_handler airo_handler[] =
7455 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7456 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7457 (iw_handler) NULL, /* SIOCSIWNWID */
7458 (iw_handler) NULL, /* SIOCGIWNWID */
7459 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7460 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7461 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7462 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7463 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7464 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7465 (iw_handler) NULL, /* SIOCSIWRANGE */
7466 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7467 (iw_handler) NULL, /* SIOCSIWPRIV */
7468 (iw_handler) NULL, /* SIOCGIWPRIV */
7469 (iw_handler) NULL, /* SIOCSIWSTATS */
7470 (iw_handler) NULL, /* SIOCGIWSTATS */
7471 iw_handler_set_spy, /* SIOCSIWSPY */
7472 iw_handler_get_spy, /* SIOCGIWSPY */
7473 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7474 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7475 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7476 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7477 (iw_handler) NULL, /* -- hole -- */
7478 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7479 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7480 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7481 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7482 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7483 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7484 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7485 (iw_handler) NULL, /* -- hole -- */
7486 (iw_handler) NULL, /* -- hole -- */
7487 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7488 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7489 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7490 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7491 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7492 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7493 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7494 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7495 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7496 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7497 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7498 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7499 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7500 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7501 (iw_handler) NULL, /* -- hole -- */
7502 (iw_handler) NULL, /* -- hole -- */
7503 (iw_handler) NULL, /* SIOCSIWGENIE */
7504 (iw_handler) NULL, /* SIOCGIWGENIE */
7505 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7506 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7507 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7508 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7509 (iw_handler) NULL, /* SIOCSIWPMKSA */
7512 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7513 * We want to force the use of the ioctl code, because those can't be
7514 * won't work the iw_handler code (because they simultaneously read
7515 * and write data and iw_handler can't do that).
7516 * Note that it's perfectly legal to read/write on a single ioctl command,
7517 * you just can't use iwpriv and need to force it via the ioctl handler.
7519 static const iw_handler airo_private_handler[] =
7521 NULL, /* SIOCIWFIRSTPRIV */
7524 static const struct iw_handler_def airo_handler_def =
7526 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7527 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7528 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7529 .standard = airo_handler,
7530 .private = airo_private_handler,
7531 .private_args = airo_private_args,
7532 .get_wireless_stats = airo_get_wireless_stats,
7536 * This defines the configuration part of the Wireless Extensions
7537 * Note : irq and spinlock protection will occur in the subroutines
7540 * o Check input value more carefully and fill correct values in range
7541 * o Test and shakeout the bugs (if any)
7545 * Javier Achirica did a great job of merging code from the unnamed CISCO
7546 * developer that added support for flashing the card.
7548 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7551 struct airo_info *ai = (struct airo_info *)dev->priv;
7553 if (ai->power.event)
7563 int val = AIROMAGIC;
7565 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7567 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7576 /* Get the command struct and hand it off for evaluation by
7577 * the proper subfunction
7581 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7586 /* Separate R/W functions bracket legality here
7588 if ( com.command == AIRORSWVERSION ) {
7589 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7594 else if ( com.command <= AIRORRID)
7595 rc = readrids(dev,&com);
7596 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7597 rc = writerids(dev,&com);
7598 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7599 rc = flashcard(dev,&com);
7601 rc = -EINVAL; /* Bad command in ioctl */
7604 #endif /* CISCO_EXT */
7606 // All other calls are currently unsupported
7614 * Get the Wireless stats out of the driver
7615 * Note : irq and spinlock protection will occur in the subroutines
7618 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7622 static void airo_read_wireless_stats(struct airo_info *local)
7624 StatusRid status_rid;
7626 CapabilityRid cap_rid;
7627 u32 *vals = stats_rid.vals;
7629 /* Get stats out of the card */
7630 clear_bit(JOB_WSTATS, &local->jobs);
7631 if (local->power.event) {
7635 readCapabilityRid(local, &cap_rid, 0);
7636 readStatusRid(local, &status_rid, 0);
7637 readStatsRid(local, &stats_rid, RID_STATS, 0);
7641 local->wstats.status = status_rid.mode;
7643 /* Signal quality and co */
7645 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7646 /* normalizedSignalStrength appears to be a percentage */
7647 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7649 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7650 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7652 if (status_rid.len >= 124) {
7653 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7654 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7656 local->wstats.qual.noise = 0;
7657 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7660 /* Packets discarded in the wireless adapter due to wireless
7661 * specific problems */
7662 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7663 local->wstats.discard.code = vals[6];/* RxWepErr */
7664 local->wstats.discard.fragment = vals[30];
7665 local->wstats.discard.retries = vals[10];
7666 local->wstats.discard.misc = vals[1] + vals[32];
7667 local->wstats.miss.beacon = vals[34];
7670 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7672 struct airo_info *local = dev->priv;
7674 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7675 /* Get stats out of the card if available */
7676 if (down_trylock(&local->sem) != 0) {
7677 set_bit(JOB_WSTATS, &local->jobs);
7678 wake_up_interruptible(&local->thr_wait);
7680 airo_read_wireless_stats(local);
7683 return &local->wstats;
7688 * This just translates from driver IOCTL codes to the command codes to
7689 * feed to the radio's host interface. Things can be added/deleted
7690 * as needed. This represents the READ side of control I/O to
7693 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7694 unsigned short ridcode;
7695 unsigned char *iobuf;
7697 struct airo_info *ai = dev->priv;
7700 if (test_bit(FLAG_FLASHING, &ai->flags))
7703 switch(comp->command)
7705 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7706 case AIROGCFG: ridcode = RID_CONFIG;
7707 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7708 disable_MAC (ai, 1);
7709 writeConfigRid (ai, 1);
7710 enable_MAC (ai, &rsp, 1);
7713 case AIROGSLIST: ridcode = RID_SSID; break;
7714 case AIROGVLIST: ridcode = RID_APLIST; break;
7715 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7716 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7717 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7718 /* Only super-user can read WEP keys */
7719 if (!capable(CAP_NET_ADMIN))
7722 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7723 /* Only super-user can read WEP keys */
7724 if (!capable(CAP_NET_ADMIN))
7727 case AIROGSTAT: ridcode = RID_STATUS; break;
7728 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7729 case AIROGSTATSC32: ridcode = RID_STATS; break;
7731 if (copy_to_user(comp->data, &ai->micstats,
7732 min((int)comp->len,(int)sizeof(ai->micstats))))
7735 case AIRORRID: ridcode = comp->ridnum; break;
7741 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7744 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7745 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7746 * then return it to the user
7747 * 9/22/2000 Honor user given length
7751 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7760 * Danger Will Robinson write the rids here
7763 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7764 struct airo_info *ai = dev->priv;
7768 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7769 unsigned char *iobuf;
7771 /* Only super-user can write RIDs */
7772 if (!capable(CAP_NET_ADMIN))
7775 if (test_bit(FLAG_FLASHING, &ai->flags))
7779 writer = do_writerid;
7781 switch(comp->command)
7783 case AIROPSIDS: ridcode = RID_SSID; break;
7784 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7785 case AIROPAPLIST: ridcode = RID_APLIST; break;
7786 case AIROPCFG: ai->config.len = 0;
7787 clear_bit(FLAG_COMMIT, &ai->flags);
7788 ridcode = RID_CONFIG; break;
7789 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7790 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7791 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7792 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7794 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7795 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7797 /* this is not really a rid but a command given to the card
7801 if (enable_MAC(ai, &rsp, 1) != 0)
7806 * Evidently this code in the airo driver does not get a symbol
7807 * as disable_MAC. it's probably so short the compiler does not gen one.
7813 /* This command merely clears the counts does not actually store any data
7814 * only reads rid. But as it changes the cards state, I put it in the
7815 * writerid routines.
7818 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7821 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7823 enabled = ai->micstats.enabled;
7824 memset(&ai->micstats,0,sizeof(ai->micstats));
7825 ai->micstats.enabled = enabled;
7827 if (copy_to_user(comp->data, iobuf,
7828 min((int)comp->len, (int)RIDSIZE))) {
7836 return -EOPNOTSUPP; /* Blarg! */
7838 if(comp->len > RIDSIZE)
7841 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7844 if (copy_from_user(iobuf,comp->data,comp->len)) {
7849 if (comp->command == AIROPCFG) {
7850 ConfigRid *cfg = (ConfigRid *)iobuf;
7852 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7853 cfg->opmode |= MODE_MIC;
7855 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7856 set_bit (FLAG_ADHOC, &ai->flags);
7858 clear_bit (FLAG_ADHOC, &ai->flags);
7861 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7869 /*****************************************************************************
7870 * Ancillary flash / mod functions much black magic lurkes here *
7871 *****************************************************************************
7875 * Flash command switch table
7878 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7881 /* Only super-user can modify flash */
7882 if (!capable(CAP_NET_ADMIN))
7885 switch(comp->command)
7888 return cmdreset((struct airo_info *)dev->priv);
7891 if (!((struct airo_info *)dev->priv)->flash &&
7892 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7894 return setflashmode((struct airo_info *)dev->priv);
7896 case AIROFLSHGCHR: /* Get char from aux */
7897 if(comp->len != sizeof(int))
7899 if (copy_from_user(&z,comp->data,comp->len))
7901 return flashgchar((struct airo_info *)dev->priv,z,8000);
7903 case AIROFLSHPCHR: /* Send char to card. */
7904 if(comp->len != sizeof(int))
7906 if (copy_from_user(&z,comp->data,comp->len))
7908 return flashpchar((struct airo_info *)dev->priv,z,8000);
7910 case AIROFLPUTBUF: /* Send 32k to card */
7911 if (!((struct airo_info *)dev->priv)->flash)
7913 if(comp->len > FLASHSIZE)
7915 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7918 flashputbuf((struct airo_info *)dev->priv);
7922 if(flashrestart((struct airo_info *)dev->priv,dev))
7929 #define FLASH_COMMAND 0x7e7e
7933 * Disable MAC and do soft reset on
7937 static int cmdreset(struct airo_info *ai) {
7941 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7945 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7947 ssleep(1); /* WAS 600 12/7/00 */
7950 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7957 * Put the card in legendary flash
7961 static int setflashmode (struct airo_info *ai) {
7962 set_bit (FLAG_FLASHING, &ai->flags);
7964 OUT4500(ai, SWS0, FLASH_COMMAND);
7965 OUT4500(ai, SWS1, FLASH_COMMAND);
7967 OUT4500(ai, SWS0, FLASH_COMMAND);
7968 OUT4500(ai, COMMAND,0x10);
7970 OUT4500(ai, SWS2, FLASH_COMMAND);
7971 OUT4500(ai, SWS3, FLASH_COMMAND);
7972 OUT4500(ai, COMMAND,0);
7974 msleep(500); /* 500ms delay */
7977 clear_bit (FLAG_FLASHING, &ai->flags);
7978 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7984 /* Put character to SWS0 wait for dwelltime
7988 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
7999 /* Wait for busy bit d15 to go false indicating buffer empty */
8000 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8005 /* timeout for busy clear wait */
8007 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8011 /* Port is clear now write byte and wait for it to echo back */
8013 OUT4500(ai,SWS0,byte);
8016 echo = IN4500(ai,SWS1);
8017 } while (dwelltime >= 0 && echo != byte);
8021 return (echo == byte) ? 0 : -EIO;
8025 * Get a character from the card matching matchbyte
8028 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8030 unsigned char rbyte=0;
8033 rchar = IN4500(ai,SWS1);
8035 if(dwelltime && !(0x8000 & rchar)){
8040 rbyte = 0xff & rchar;
8042 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8046 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8050 }while(dwelltime > 0);
8055 * Transfer 32k of firmware data from user buffer to our buffer and
8059 static int flashputbuf(struct airo_info *ai){
8063 if (test_bit(FLAG_MPI,&ai->flags))
8064 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8066 OUT4500(ai,AUXPAGE,0x100);
8067 OUT4500(ai,AUXOFF,0);
8069 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8070 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8073 OUT4500(ai,SWS0,0x8000);
8081 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8084 ssleep(1); /* Added 12/7/00 */
8085 clear_bit (FLAG_FLASHING, &ai->flags);
8086 if (test_bit(FLAG_MPI, &ai->flags)) {
8087 status = mpi_init_descriptors(ai);
8088 if (status != SUCCESS)
8091 status = setup_card(ai, dev->dev_addr, 1);
8093 if (!test_bit(FLAG_MPI,&ai->flags))
8094 for( i = 0; i < MAX_FIDS; i++ ) {
8095 ai->fids[i] = transmit_allocate
8096 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8099 ssleep(1); /* Added 12/7/00 */
8102 #endif /* CISCO_EXT */
8105 This program is free software; you can redistribute it and/or
8106 modify it under the terms of the GNU General Public License
8107 as published by the Free Software Foundation; either version 2
8108 of the License, or (at your option) any later version.
8110 This program is distributed in the hope that it will be useful,
8111 but WITHOUT ANY WARRANTY; without even the implied warranty of
8112 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8113 GNU General Public License for more details.
8117 Redistribution and use in source and binary forms, with or without
8118 modification, are permitted provided that the following conditions
8121 1. Redistributions of source code must retain the above copyright
8122 notice, this list of conditions and the following disclaimer.
8123 2. Redistributions in binary form must reproduce the above copyright
8124 notice, this list of conditions and the following disclaimer in the
8125 documentation and/or other materials provided with the distribution.
8126 3. The name of the author may not be used to endorse or promote
8127 products derived from this software without specific prior written
8130 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8131 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8132 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8133 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8134 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8135 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8136 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8137 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8138 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8139 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8140 POSSIBILITY OF SUCH DAMAGE.
8143 module_init(airo_init_module);
8144 module_exit(airo_cleanup_module);
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