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/config.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
38 #include <linux/scatterlist.h>
39 #include <linux/crypto.h>
41 #include <asm/system.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
55 static struct pci_device_id card_ids[] = {
56 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
57 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
58 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
59 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
65 MODULE_DEVICE_TABLE(pci, card_ids);
67 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
68 static void airo_pci_remove(struct pci_dev *);
69 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
70 static int airo_pci_resume(struct pci_dev *pdev);
72 static struct pci_driver airo_driver = {
75 .probe = airo_pci_probe,
76 .remove = __devexit_p(airo_pci_remove),
77 .suspend = airo_pci_suspend,
78 .resume = airo_pci_resume,
80 #endif /* CONFIG_PCI */
82 /* Include Wireless Extension definition and check version - Jean II */
83 #include <linux/wireless.h>
84 #define WIRELESS_SPY // enable iwspy support
85 #include <net/iw_handler.h> // New driver API
87 #define CISCO_EXT // enable Cisco extensions
89 #include <linux/delay.h>
92 /* Hack to do some power saving */
95 /* As you can see this list is HUGH!
96 I really don't know what a lot of these counts are about, but they
97 are all here for completeness. If the IGNLABEL macro is put in
98 infront of the label, that statistic will not be included in the list
99 of statistics in the /proc filesystem */
101 #define IGNLABEL(comment) NULL
102 static char *statsLabels[] = {
104 IGNLABEL("RxPlcpCrcErr"),
105 IGNLABEL("RxPlcpFormatErr"),
106 IGNLABEL("RxPlcpLengthErr"),
137 "LostSync-MissedBeacons",
138 "LostSync-ArlExceeded",
140 "LostSync-Disassoced",
141 "LostSync-TsfTiming",
150 IGNLABEL("HmacTxMc"),
151 IGNLABEL("HmacTxBc"),
152 IGNLABEL("HmacTxUc"),
153 IGNLABEL("HmacTxFail"),
154 IGNLABEL("HmacRxMc"),
155 IGNLABEL("HmacRxBc"),
156 IGNLABEL("HmacRxUc"),
157 IGNLABEL("HmacRxDiscard"),
158 IGNLABEL("HmacRxAccepted"),
166 IGNLABEL("ReasonOutsideTable"),
167 IGNLABEL("ReasonStatus1"),
168 IGNLABEL("ReasonStatus2"),
169 IGNLABEL("ReasonStatus3"),
170 IGNLABEL("ReasonStatus4"),
171 IGNLABEL("ReasonStatus5"),
172 IGNLABEL("ReasonStatus6"),
173 IGNLABEL("ReasonStatus7"),
174 IGNLABEL("ReasonStatus8"),
175 IGNLABEL("ReasonStatus9"),
176 IGNLABEL("ReasonStatus10"),
177 IGNLABEL("ReasonStatus11"),
178 IGNLABEL("ReasonStatus12"),
179 IGNLABEL("ReasonStatus13"),
180 IGNLABEL("ReasonStatus14"),
181 IGNLABEL("ReasonStatus15"),
182 IGNLABEL("ReasonStatus16"),
183 IGNLABEL("ReasonStatus17"),
184 IGNLABEL("ReasonStatus18"),
185 IGNLABEL("ReasonStatus19"),
205 #define RUN_AT(x) (jiffies+(x))
209 /* These variables are for insmod, since it seems that the rates
210 can only be set in setup_card. Rates should be a comma separated
211 (no spaces) list of rates (up to 8). */
214 static int basic_rate;
215 static char *ssids[3];
221 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
222 0 means no limit. For old cards this was 4 */
224 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
225 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
226 the bap, needed on some older cards and buses. */
229 static int probe = 1;
231 static int proc_uid /* = 0 */;
233 static int proc_gid /* = 0 */;
235 static int airo_perm = 0555;
237 static int proc_perm = 0644;
239 MODULE_AUTHOR("Benjamin Reed");
240 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
241 cards. Direct support for ISA/PCI/MPI cards and support \
242 for PCMCIA when used with airo_cs.");
243 MODULE_LICENSE("Dual BSD/GPL");
244 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
245 module_param_array(io, int, NULL, 0);
246 module_param_array(irq, int, NULL, 0);
247 module_param(basic_rate, int, 0);
248 module_param_array(rates, int, NULL, 0);
249 module_param_array(ssids, charp, NULL, 0);
250 module_param(auto_wep, int, 0);
251 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
252 the authentication options until an association is made. The value of \
253 auto_wep is number of the wep keys to check. A value of 2 will try using \
254 the key at index 0 and index 1.");
255 module_param(aux_bap, int, 0);
256 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
257 than seems to work better for older cards with some older buses. Before \
258 switching it checks that the switch is needed.");
259 module_param(maxencrypt, int, 0);
260 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
261 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
262 Older cards used to be limited to 2mbs (4).");
263 module_param(adhoc, int, 0);
264 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
265 module_param(probe, int, 0);
266 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
268 module_param(proc_uid, int, 0);
269 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
270 module_param(proc_gid, int, 0);
271 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
272 module_param(airo_perm, int, 0);
273 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
274 module_param(proc_perm, int, 0);
275 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
277 /* This is a kind of sloppy hack to get this information to OUT4500 and
278 IN4500. I would be extremely interested in the situation where this
279 doesn't work though!!! */
280 static int do8bitIO = 0;
289 #define MAC_ENABLE 0x0001
290 #define MAC_DISABLE 0x0002
291 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
292 #define CMD_SOFTRESET 0x0004
293 #define HOSTSLEEP 0x0005
294 #define CMD_MAGIC_PKT 0x0006
295 #define CMD_SETWAKEMASK 0x0007
296 #define CMD_READCFG 0x0008
297 #define CMD_SETMODE 0x0009
298 #define CMD_ALLOCATETX 0x000a
299 #define CMD_TRANSMIT 0x000b
300 #define CMD_DEALLOCATETX 0x000c
302 #define CMD_WORKAROUND 0x0011
303 #define CMD_ALLOCATEAUX 0x0020
304 #define CMD_ACCESS 0x0021
305 #define CMD_PCIBAP 0x0022
306 #define CMD_PCIAUX 0x0023
307 #define CMD_ALLOCBUF 0x0028
308 #define CMD_GETTLV 0x0029
309 #define CMD_PUTTLV 0x002a
310 #define CMD_DELTLV 0x002b
311 #define CMD_FINDNEXTTLV 0x002c
312 #define CMD_PSPNODES 0x0030
313 #define CMD_SETCW 0x0031
314 #define CMD_SETPCF 0x0032
315 #define CMD_SETPHYREG 0x003e
316 #define CMD_TXTEST 0x003f
317 #define MAC_ENABLETX 0x0101
318 #define CMD_LISTBSS 0x0103
319 #define CMD_SAVECFG 0x0108
320 #define CMD_ENABLEAUX 0x0111
321 #define CMD_WRITERID 0x0121
322 #define CMD_USEPSPNODES 0x0130
323 #define MAC_ENABLERX 0x0201
326 #define ERROR_QUALIF 0x00
327 #define ERROR_ILLCMD 0x01
328 #define ERROR_ILLFMT 0x02
329 #define ERROR_INVFID 0x03
330 #define ERROR_INVRID 0x04
331 #define ERROR_LARGE 0x05
332 #define ERROR_NDISABL 0x06
333 #define ERROR_ALLOCBSY 0x07
334 #define ERROR_NORD 0x0B
335 #define ERROR_NOWR 0x0C
336 #define ERROR_INVFIDTX 0x0D
337 #define ERROR_TESTACT 0x0E
338 #define ERROR_TAGNFND 0x12
339 #define ERROR_DECODE 0x20
340 #define ERROR_DESCUNAV 0x21
341 #define ERROR_BADLEN 0x22
342 #define ERROR_MODE 0x80
343 #define ERROR_HOP 0x81
344 #define ERROR_BINTER 0x82
345 #define ERROR_RXMODE 0x83
346 #define ERROR_MACADDR 0x84
347 #define ERROR_RATES 0x85
348 #define ERROR_ORDER 0x86
349 #define ERROR_SCAN 0x87
350 #define ERROR_AUTH 0x88
351 #define ERROR_PSMODE 0x89
352 #define ERROR_RTYPE 0x8A
353 #define ERROR_DIVER 0x8B
354 #define ERROR_SSID 0x8C
355 #define ERROR_APLIST 0x8D
356 #define ERROR_AUTOWAKE 0x8E
357 #define ERROR_LEAP 0x8F
368 #define LINKSTAT 0x10
372 #define TXALLOCFID 0x22
373 #define TXCOMPLFID 0x24
388 /* Offset into aux memory for descriptors */
389 #define AUX_OFFSET 0x800
390 /* Size of allocated packets */
393 /* Size of the transmit queue */
397 #define BAP0 0 // Used for receiving packets
398 #define BAP1 2 // Used for xmiting packets and working with RIDS
401 #define COMMAND_BUSY 0x8000
403 #define BAP_BUSY 0x8000
404 #define BAP_ERR 0x4000
405 #define BAP_DONE 0x2000
407 #define PROMISC 0xffff
408 #define NOPROMISC 0x0000
411 #define EV_CLEARCOMMANDBUSY 0x4000
414 #define EV_TXEXC 0x04
415 #define EV_ALLOC 0x08
417 #define EV_AWAKE 0x100
418 #define EV_TXCPY 0x400
419 #define EV_UNKNOWN 0x800
420 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
421 #define EV_AWAKEN 0x2000
422 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
424 #ifdef CHECK_UNKNOWN_INTS
425 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
427 #define IGNORE_INTS (~STATUS_INTS)
434 #define RID_CAPABILITIES 0xFF00
435 #define RID_APINFO 0xFF01
436 #define RID_RADIOINFO 0xFF02
437 #define RID_UNKNOWN3 0xFF03
438 #define RID_RSSI 0xFF04
439 #define RID_CONFIG 0xFF10
440 #define RID_SSID 0xFF11
441 #define RID_APLIST 0xFF12
442 #define RID_DRVNAME 0xFF13
443 #define RID_ETHERENCAP 0xFF14
444 #define RID_WEP_TEMP 0xFF15
445 #define RID_WEP_PERM 0xFF16
446 #define RID_MODULATION 0xFF17
447 #define RID_OPTIONS 0xFF18
448 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
449 #define RID_FACTORYCONFIG 0xFF21
450 #define RID_UNKNOWN22 0xFF22
451 #define RID_LEAPUSERNAME 0xFF23
452 #define RID_LEAPPASSWORD 0xFF24
453 #define RID_STATUS 0xFF50
454 #define RID_BEACON_HST 0xFF51
455 #define RID_BUSY_HST 0xFF52
456 #define RID_RETRIES_HST 0xFF53
457 #define RID_UNKNOWN54 0xFF54
458 #define RID_UNKNOWN55 0xFF55
459 #define RID_UNKNOWN56 0xFF56
460 #define RID_MIC 0xFF57
461 #define RID_STATS16 0xFF60
462 #define RID_STATS16DELTA 0xFF61
463 #define RID_STATS16DELTACLEAR 0xFF62
464 #define RID_STATS 0xFF68
465 #define RID_STATSDELTA 0xFF69
466 #define RID_STATSDELTACLEAR 0xFF6A
467 #define RID_ECHOTEST_RID 0xFF70
468 #define RID_ECHOTEST_RESULTS 0xFF71
469 #define RID_BSSLISTFIRST 0xFF72
470 #define RID_BSSLISTNEXT 0xFF73
471 #define RID_WPA_BSSLISTFIRST 0xFF74
472 #define RID_WPA_BSSLISTNEXT 0xFF75
489 * Rids and endian-ness: The Rids will always be in cpu endian, since
490 * this all the patches from the big-endian guys end up doing that.
491 * so all rid access should use the read/writeXXXRid routines.
494 /* This is redundant for x86 archs, but it seems necessary for ARM */
497 /* This structure came from an email sent to me from an engineer at
498 aironet for inclusion into this driver */
507 /* These structures are from the Aironet's PC4500 Developers Manual */
521 #define MOD_DEFAULT 0
527 u16 len; /* sizeof(ConfigRid) */
528 u16 opmode; /* operating mode */
529 #define MODE_STA_IBSS 0
530 #define MODE_STA_ESS 1
532 #define MODE_AP_RPTR 3
533 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
534 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
535 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
536 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
537 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
538 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
539 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
540 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
541 #define MODE_MIC (1<<15) /* enable MIC */
542 u16 rmode; /* receive mode */
543 #define RXMODE_BC_MC_ADDR 0
544 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
545 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
546 #define RXMODE_RFMON 3 /* wireless monitor mode */
547 #define RXMODE_RFMON_ANYBSS 4
548 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
549 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
550 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
553 u8 macAddr[ETH_ALEN];
557 u16 txLifetime; /* in kusec */
558 u16 rxLifetime; /* in kusec */
561 u16 u16deviceType; /* for overriding device type */
565 /*---------- Scanning/Associating ----------*/
567 #define SCANMODE_ACTIVE 0
568 #define SCANMODE_PASSIVE 1
569 #define SCANMODE_AIROSCAN 2
570 u16 probeDelay; /* in kusec */
571 u16 probeEnergyTimeout; /* in kusec */
572 u16 probeResponseTimeout;
573 u16 beaconListenTimeout;
577 #define AUTH_OPEN 0x1
578 #define AUTH_ENCRYPT 0x101
579 #define AUTH_SHAREDKEY 0x102
580 #define AUTH_ALLOW_UNENCRYPTED 0x200
581 u16 associationTimeout;
582 u16 specifiedApTimeout;
583 u16 offlineScanInterval;
584 u16 offlineScanDuration;
586 u16 maxBeaconLostTime;
588 #define DISABLE_REFRESH 0xFFFF
590 /*---------- Power save operation ----------*/
592 #define POWERSAVE_CAM 0
593 #define POWERSAVE_PSP 1
594 #define POWERSAVE_PSPCAM 2
597 u16 fastListenInterval;
601 /*---------- Ap/Ibss config items ----------*/
610 /*---------- Radio configuration ----------*/
612 #define RADIOTYPE_DEFAULT 0
613 #define RADIOTYPE_802_11 1
614 #define RADIOTYPE_LEGACY 2
618 #define TXPOWER_DEFAULT 0
620 #define RSSI_DEFAULT 0
622 #define PREAMBLE_AUTO 0
623 #define PREAMBLE_LONG 1
624 #define PREAMBLE_SHORT 2
628 /*---------- Aironet Extensions ----------*/
634 /*---------- Aironet Extensions ----------*/
636 #define MAGIC_ACTION_STSCHG 1
637 #define MAGIC_ACTION_RESUME 2
638 #define MAGIC_IGNORE_MCAST (1<<8)
639 #define MAGIC_IGNORE_BCAST (1<<9)
640 #define MAGIC_SWITCH_TO_PSP (0<<10)
641 #define MAGIC_STAY_IN_CAM (1<<10)
655 u8 bssid[4][ETH_ALEN];
669 u16 normalizedSignalStrength;
672 u8 noisePercent; /* Noise percent in last second */
673 u8 noisedBm; /* Noise dBm in last second */
674 u8 noiseAvePercent; /* Noise percent in last minute */
675 u8 noiseAvedBm; /* Noise dBm in last minute */
676 u8 noiseMaxPercent; /* Highest noise percent in last minute */
677 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
681 #define STAT_NOPACKETS 0
682 #define STAT_NOCARRIERSET 10
683 #define STAT_GOTCARRIERSET 11
684 #define STAT_WRONGSSID 20
685 #define STAT_BADCHANNEL 25
686 #define STAT_BADBITRATES 30
687 #define STAT_BADPRIVACY 35
688 #define STAT_APFOUND 40
689 #define STAT_APREJECTED 50
690 #define STAT_AUTHENTICATING 60
691 #define STAT_DEAUTHENTICATED 61
692 #define STAT_AUTHTIMEOUT 62
693 #define STAT_ASSOCIATING 70
694 #define STAT_DEASSOCIATED 71
695 #define STAT_ASSOCTIMEOUT 72
696 #define STAT_NOTAIROAP 73
697 #define STAT_ASSOCIATED 80
698 #define STAT_LEAPING 90
699 #define STAT_LEAPFAILED 91
700 #define STAT_LEAPTIMEDOUT 92
701 #define STAT_LEAPCOMPLETE 93
724 char factoryAddr[ETH_ALEN];
725 char aironetAddr[ETH_ALEN];
728 char callid[ETH_ALEN];
729 char supportedRates[8];
732 u16 txPowerLevels[8];
746 /* Only present on firmware >= 5.30.17 */
749 u8 fixed[12]; /* WLAN management frame */
755 u16 index; /* First is 0 and 0xffff means end of list */
756 #define RADIO_FH 1 /* Frequency hopping radio type */
757 #define RADIO_DS 2 /* Direct sequence radio type */
758 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
760 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
765 #define CAP_ESS (1<<0)
766 #define CAP_IBSS (1<<1)
767 #define CAP_PRIVACY (1<<4)
768 #define CAP_SHORTHDR (1<<5)
771 u8 rates[8]; /* Same as rates for config rid */
772 struct { /* For frequency hopping only */
782 /* Only present on firmware >= 5.30.17 */
783 BSSListRidExtra extra;
788 struct list_head list;
834 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
835 #define TXCTL_TXEX (1<<2) /* report if tx fails */
836 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
837 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
838 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
839 #define TXCTL_LLC (1<<4) /* payload is llc */
840 #define TXCTL_RELEASE (0<<5) /* release after completion */
841 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
843 #define BUSY_FID 0x10000
846 #define AIROMAGIC 0xa55a
847 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
848 #ifdef SIOCIWFIRSTPRIV
849 #ifdef SIOCDEVPRIVATE
850 #define AIROOLDIOCTL SIOCDEVPRIVATE
851 #define AIROOLDIDIFC AIROOLDIOCTL + 1
852 #endif /* SIOCDEVPRIVATE */
853 #else /* SIOCIWFIRSTPRIV */
854 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
855 #endif /* SIOCIWFIRSTPRIV */
856 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
857 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
858 * only and don't return the modified struct ifreq to the application which
859 * is usually a problem. - Jean II */
860 #define AIROIOCTL SIOCIWFIRSTPRIV
861 #define AIROIDIFC AIROIOCTL + 1
863 /* Ioctl constants to be used in airo_ioctl.command */
865 #define AIROGCAP 0 // Capability rid
866 #define AIROGCFG 1 // USED A LOT
867 #define AIROGSLIST 2 // System ID list
868 #define AIROGVLIST 3 // List of specified AP's
869 #define AIROGDRVNAM 4 // NOTUSED
870 #define AIROGEHTENC 5 // NOTUSED
871 #define AIROGWEPKTMP 6
872 #define AIROGWEPKNV 7
874 #define AIROGSTATSC32 9
875 #define AIROGSTATSD32 10
876 #define AIROGMICRID 11
877 #define AIROGMICSTATS 12
878 #define AIROGFLAGS 13
881 #define AIRORSWVERSION 17
883 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
885 #define AIROPCAP AIROGSTATSD32 + 40
886 #define AIROPVLIST AIROPCAP + 1
887 #define AIROPSLIST AIROPVLIST + 1
888 #define AIROPCFG AIROPSLIST + 1
889 #define AIROPSIDS AIROPCFG + 1
890 #define AIROPAPLIST AIROPSIDS + 1
891 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
892 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
893 #define AIROPSTCLR AIROPMACOFF + 1
894 #define AIROPWEPKEY AIROPSTCLR + 1
895 #define AIROPWEPKEYNV AIROPWEPKEY + 1
896 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
897 #define AIROPLEAPUSR AIROPLEAPPWD + 1
901 #define AIROFLSHRST AIROPWEPKEYNV + 40
902 #define AIROFLSHGCHR AIROFLSHRST + 1
903 #define AIROFLSHSTFL AIROFLSHGCHR + 1
904 #define AIROFLSHPCHR AIROFLSHSTFL + 1
905 #define AIROFLPUTBUF AIROFLSHPCHR + 1
906 #define AIRORESTART AIROFLPUTBUF + 1
908 #define FLASHSIZE 32768
909 #define AUXMEMSIZE (256 * 1024)
911 typedef struct aironet_ioctl {
912 unsigned short command; // What to do
913 unsigned short len; // Len of data
914 unsigned short ridnum; // rid number
915 unsigned char __user *data; // d-data
918 static char swversion[] = "2.1";
919 #endif /* CISCO_EXT */
921 #define NUM_MODULES 2
922 #define MIC_MSGLEN_MAX 2400
923 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
924 #define AIRO_DEF_MTU 2312
928 u8 enabled; // MIC enabled or not
929 u32 rxSuccess; // successful packets received
930 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
931 u32 rxNotMICed; // pkts dropped due to not being MIC'd
932 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
933 u32 rxWrongSequence; // pkts dropped due to sequence number violation
938 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
939 u64 accum; // accumulated mic, reduced to u32 in final()
940 int position; // current position (byte offset) in message
944 } part; // saves partial message word across update() calls
948 emmh32_context seed; // Context - the seed
949 u32 rx; // Received sequence number
950 u32 tx; // Tx sequence number
951 u32 window; // Start of window
952 u8 valid; // Flag to say if context is valid or not
957 miccntx mCtx; // Multicast context
958 miccntx uCtx; // Unicast context
962 unsigned int rid: 16;
963 unsigned int len: 15;
964 unsigned int valid: 1;
965 dma_addr_t host_addr;
969 unsigned int offset: 15;
971 unsigned int len: 15;
972 unsigned int valid: 1;
973 dma_addr_t host_addr;
977 unsigned int ctl: 15;
979 unsigned int len: 15;
980 unsigned int valid: 1;
981 dma_addr_t host_addr;
985 * Host receive descriptor
988 unsigned char __iomem *card_ram_off; /* offset into card memory of the
990 RxFid rx_desc; /* card receive descriptor */
991 char *virtual_host_addr; /* virtual address of host receive
997 * Host transmit descriptor
1000 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1002 TxFid tx_desc; /* card transmit descriptor */
1003 char *virtual_host_addr; /* virtual address of host receive
1009 * Host RID descriptor
1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1014 Rid rid_desc; /* card RID descriptor */
1015 char *virtual_host_addr; /* virtual address of host receive
1024 #define HOST_SET (1 << 0)
1025 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1026 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1027 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1028 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1029 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1030 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1031 #define HOST_RTS (1 << 9) /* Force RTS use */
1032 #define HOST_SHORT (1 << 10) /* Do short preamble */
1059 static WifiCtlHdr wifictlhdr8023 = {
1061 .ctl = HOST_DONT_RLSE,
1065 // Frequency list (map channels to frequencies)
1066 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1067 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1069 // A few details needed for WEP (Wireless Equivalent Privacy)
1070 #define MAX_KEY_SIZE 13 // 128 (?) bits
1071 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1072 typedef struct wep_key_t {
1074 u8 key[16]; /* 40-bit and 104-bit keys */
1077 /* Backward compatibility */
1078 #ifndef IW_ENCODE_NOKEY
1079 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1080 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1081 #endif /* IW_ENCODE_NOKEY */
1083 /* List of Wireless Handlers (new API) */
1084 static const struct iw_handler_def airo_handler_def;
1086 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1090 static int get_dec_u16( char *buffer, int *start, int limit );
1091 static void OUT4500( struct airo_info *, u16 register, u16 value );
1092 static unsigned short IN4500( struct airo_info *, u16 register );
1093 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1094 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1095 static void disable_MAC(struct airo_info *ai, int lock);
1096 static void enable_interrupts(struct airo_info*);
1097 static void disable_interrupts(struct airo_info*);
1098 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1099 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1100 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1102 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1106 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1107 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1108 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1109 *pBuf, int len, int lock);
1110 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1111 int len, int dummy );
1112 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1113 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1114 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1116 static int mpi_send_packet (struct net_device *dev);
1117 static void mpi_unmap_card(struct pci_dev *pci);
1118 static void mpi_receive_802_3(struct airo_info *ai);
1119 static void mpi_receive_802_11(struct airo_info *ai);
1120 static int waitbusy (struct airo_info *ai);
1122 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
1124 static int airo_thread(void *data);
1125 static void timer_func( struct net_device *dev );
1126 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1127 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1128 static void airo_read_wireless_stats (struct airo_info *local);
1130 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1131 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1132 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1133 #endif /* CISCO_EXT */
1134 static void micinit(struct airo_info *ai);
1135 static int micsetup(struct airo_info *ai);
1136 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1137 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1139 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1140 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1142 static void airo_networks_free(struct airo_info *ai);
1145 struct net_device_stats stats;
1146 struct net_device *dev;
1147 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1148 use the high bit to mark whether it is in use. */
1150 #define MPI_MAX_FIDS 1
1153 char keyindex; // Used with auto wep
1154 char defindex; // Used with auto wep
1155 struct proc_dir_entry *proc_entry;
1156 spinlock_t aux_lock;
1157 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1158 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1159 #define FLAG_RADIO_MASK 0x03
1160 #define FLAG_ENABLED 2
1161 #define FLAG_ADHOC 3 /* Needed by MIC */
1162 #define FLAG_MIC_CAPABLE 4
1163 #define FLAG_UPDATE_MULTI 5
1164 #define FLAG_UPDATE_UNI 6
1165 #define FLAG_802_11 7
1166 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1167 #define FLAG_PENDING_XMIT 9
1168 #define FLAG_PENDING_XMIT11 10
1170 #define FLAG_REGISTERED 12
1171 #define FLAG_COMMIT 13
1172 #define FLAG_RESET 14
1173 #define FLAG_FLASHING 15
1174 #define FLAG_WPA_CAPABLE 16
1175 unsigned long flags;
1178 #define JOB_XMIT11 2
1180 #define JOB_PROMISC 4
1183 #define JOB_AUTOWEP 7
1184 #define JOB_WSTATS 8
1185 #define JOB_SCAN_RESULTS 9
1187 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 unsigned short *flash;
1191 struct task_struct *task;
1192 struct semaphore sem;
1194 wait_queue_head_t thr_wait;
1195 struct completion thr_exited;
1196 unsigned long expires;
1198 struct sk_buff *skb;
1201 struct net_device *wifidev;
1202 struct iw_statistics wstats; // wireless stats
1203 unsigned long scan_timeout; /* Time scan should be read */
1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1207 struct crypto_tfm *tfm;
1209 mic_statistics micstats;
1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1236 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241 static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243 static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1246 static int cmdreset(struct airo_info *ai);
1247 static int setflashmode (struct airo_info *ai);
1248 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249 static int flashputbuf(struct airo_info *ai);
1250 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1268 /***********************************************************************
1270 ***********************************************************************
1273 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274 static void MoveWindow(miccntx *context, u32 micSeq);
1275 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *);
1276 static void emmh32_init(emmh32_context *context);
1277 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1278 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1279 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1281 /* micinit - Initialize mic seed */
1283 static void micinit(struct airo_info *ai)
1287 clear_bit(JOB_MIC, &ai->jobs);
1288 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1291 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1293 if (ai->micstats.enabled) {
1294 /* Key must be valid and different */
1295 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1296 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1297 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1298 /* Age current mic Context */
1299 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1300 /* Initialize new context */
1301 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1302 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1303 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1304 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1305 ai->mod[0].mCtx.valid = 1; //Key is now valid
1307 /* Give key to mic seed */
1308 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1311 /* Key must be valid and different */
1312 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1313 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1314 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1315 /* Age current mic Context */
1316 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1317 /* Initialize new context */
1318 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1320 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1321 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1322 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1323 ai->mod[0].uCtx.valid = 1; //Key is now valid
1325 //Give key to mic seed
1326 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1329 /* So next time we have a valid key and mic is enabled, we will update
1330 * the sequence number if the key is the same as before.
1332 ai->mod[0].uCtx.valid = 0;
1333 ai->mod[0].mCtx.valid = 0;
1337 /* micsetup - Get ready for business */
1339 static int micsetup(struct airo_info *ai) {
1342 if (ai->tfm == NULL)
1343 ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP);
1345 if (ai->tfm == NULL) {
1346 airo_print_err(ai->dev->name, "failed to load transform for AES");
1350 for (i=0; i < NUM_MODULES; i++) {
1351 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1352 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1357 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1359 /*===========================================================================
1360 * Description: Mic a packet
1362 * Inputs: etherHead * pointer to an 802.3 frame
1364 * Returns: BOOLEAN if successful, otherwise false.
1365 * PacketTxLen will be updated with the mic'd packets size.
1367 * Caveats: It is assumed that the frame buffer will already
1368 * be big enough to hold the largets mic message possible.
1369 * (No memory allocation is done here).
1371 * Author: sbraneky (10/15/01)
1372 * Merciless hacks by rwilcher (1/14/02)
1375 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1379 // Determine correct context
1380 // If not adhoc, always use unicast key
1382 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1383 context = &ai->mod[0].mCtx;
1385 context = &ai->mod[0].uCtx;
1387 if (!context->valid)
1390 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1392 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1395 mic->seq = htonl(context->tx);
1398 emmh32_init(&context->seed); // Mic the packet
1399 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1400 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1401 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1402 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1403 emmh32_final(&context->seed, (u8*)&mic->mic);
1405 /* New Type/length ?????????? */
1406 mic->typelen = 0; //Let NIC know it could be an oversized packet
1418 /*===========================================================================
1419 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1420 * (removes the MIC stuff) if packet is a valid packet.
1422 * Inputs: etherHead pointer to the 802.3 packet
1424 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1426 * Author: sbraneky (10/15/01)
1427 * Merciless hacks by rwilcher (1/14/02)
1428 *---------------------------------------------------------------------------
1431 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1437 mic_error micError = NONE;
1439 // Check if the packet is a Mic'd packet
1441 if (!ai->micstats.enabled) {
1442 //No Mic set or Mic OFF but we received a MIC'd packet.
1443 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1444 ai->micstats.rxMICPlummed++;
1450 if (ntohs(mic->typelen) == 0x888E)
1453 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1454 // Mic enabled but packet isn't Mic'd
1455 ai->micstats.rxMICPlummed++;
1459 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1461 //At this point we a have a mic'd packet and mic is enabled
1462 //Now do the mic error checking.
1464 //Receive seq must be odd
1465 if ( (micSEQ & 1) == 0 ) {
1466 ai->micstats.rxWrongSequence++;
1470 for (i = 0; i < NUM_MODULES; i++) {
1471 int mcast = eth->da[0] & 1;
1472 //Determine proper context
1473 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1475 //Make sure context is valid
1476 if (!context->valid) {
1478 micError = NOMICPLUMMED;
1484 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1486 emmh32_init(&context->seed);
1487 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1488 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1489 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1490 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1492 emmh32_final(&context->seed, digest);
1494 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1497 micError = INCORRECTMIC;
1501 //Check Sequence number if mics pass
1502 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1503 ai->micstats.rxSuccess++;
1507 micError = SEQUENCE;
1510 // Update statistics
1512 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1513 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1514 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1521 /*===========================================================================
1522 * Description: Checks the Rx Seq number to make sure it is valid
1523 * and hasn't already been received
1525 * Inputs: miccntx - mic context to check seq against
1526 * micSeq - the Mic seq number
1528 * Returns: TRUE if valid otherwise FALSE.
1530 * Author: sbraneky (10/15/01)
1531 * Merciless hacks by rwilcher (1/14/02)
1532 *---------------------------------------------------------------------------
1535 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1539 //Allow for the ap being rebooted - if it is then use the next
1540 //sequence number of the current sequence number - might go backwards
1543 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1544 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1545 context->window = (micSeq > 33) ? micSeq : 33;
1546 context->rx = 0; // Reset rx
1548 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1549 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1550 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1551 context->rx = 0; // Reset rx
1554 //Make sequence number relative to START of window
1555 seq = micSeq - (context->window - 33);
1557 //Too old of a SEQ number to check.
1562 //Window is infinite forward
1563 MoveWindow(context,micSeq);
1567 // We are in the window. Now check the context rx bit to see if it was already sent
1568 seq >>= 1; //divide by 2 because we only have odd numbers
1569 index = 1 << seq; //Get an index number
1571 if (!(context->rx & index)) {
1572 //micSEQ falls inside the window.
1573 //Add seqence number to the list of received numbers.
1574 context->rx |= index;
1576 MoveWindow(context,micSeq);
1583 static void MoveWindow(miccntx *context, u32 micSeq)
1587 //Move window if seq greater than the middle of the window
1588 if (micSeq > context->window) {
1589 shift = (micSeq - context->window) >> 1;
1593 context->rx >>= shift;
1597 context->window = micSeq; //Move window
1601 /*==============================================*/
1602 /*========== EMMH ROUTINES ====================*/
1603 /*==============================================*/
1605 /* mic accumulate */
1606 #define MIC_ACCUM(val) \
1607 context->accum += (u64)(val) * context->coeff[coeff_position++];
1609 static unsigned char aes_counter[16];
1611 /* expand the key to fill the MMH coefficient array */
1612 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct crypto_tfm *tfm)
1614 /* take the keying material, expand if necessary, truncate at 16-bytes */
1615 /* run through AES counter mode to generate context->coeff[] */
1619 u8 *cipher, plain[16];
1620 struct scatterlist sg[1];
1622 crypto_cipher_setkey(tfm, pkey, 16);
1624 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1625 aes_counter[15] = (u8)(counter >> 0);
1626 aes_counter[14] = (u8)(counter >> 8);
1627 aes_counter[13] = (u8)(counter >> 16);
1628 aes_counter[12] = (u8)(counter >> 24);
1630 memcpy (plain, aes_counter, 16);
1631 sg_set_buf(sg, plain, 16);
1632 crypto_cipher_encrypt(tfm, sg, sg, 16);
1633 cipher = kmap(sg->page) + sg->offset;
1634 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1635 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1641 /* prepare for calculation of a new mic */
1642 static void emmh32_init(emmh32_context *context)
1644 /* prepare for new mic calculation */
1646 context->position = 0;
1649 /* add some bytes to the mic calculation */
1650 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1652 int coeff_position, byte_position;
1654 if (len == 0) return;
1656 coeff_position = context->position >> 2;
1658 /* deal with partial 32-bit word left over from last update */
1659 byte_position = context->position & 3;
1660 if (byte_position) {
1661 /* have a partial word in part to deal with */
1663 if (len == 0) return;
1664 context->part.d8[byte_position++] = *pOctets++;
1665 context->position++;
1667 } while (byte_position < 4);
1668 MIC_ACCUM(htonl(context->part.d32));
1671 /* deal with full 32-bit words */
1673 MIC_ACCUM(htonl(*(u32 *)pOctets));
1674 context->position += 4;
1679 /* deal with partial 32-bit word that will be left over from this update */
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1688 /* mask used to zero empty bytes for final partial word */
1689 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1691 /* calculate the mic */
1692 static void emmh32_final(emmh32_context *context, u8 digest[4])
1694 int coeff_position, byte_position;
1700 coeff_position = context->position >> 2;
1702 /* deal with partial 32-bit word left over from last update */
1703 byte_position = context->position & 3;
1704 if (byte_position) {
1705 /* have a partial word in part to deal with */
1706 val = htonl(context->part.d32);
1707 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1710 /* reduce the accumulated u64 to a 32-bit MIC */
1711 sum = context->accum;
1712 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1713 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1714 sum = utmp & 0xffffffffLL;
1715 if (utmp > 0x10000000fLL)
1719 digest[0] = (val>>24) & 0xFF;
1720 digest[1] = (val>>16) & 0xFF;
1721 digest[2] = (val>>8) & 0xFF;
1722 digest[3] = val & 0xFF;
1725 static int readBSSListRid(struct airo_info *ai, int first,
1732 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1733 memset(&cmd, 0, sizeof(cmd));
1734 cmd.cmd=CMD_LISTBSS;
1735 if (down_interruptible(&ai->sem))
1736 return -ERESTARTSYS;
1737 issuecommand(ai, &cmd, &rsp);
1739 /* Let the command take effect */
1744 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1745 list, ai->bssListRidLen, 1);
1747 list->len = le16_to_cpu(list->len);
1748 list->index = le16_to_cpu(list->index);
1749 list->radioType = le16_to_cpu(list->radioType);
1750 list->cap = le16_to_cpu(list->cap);
1751 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1752 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1753 list->dsChannel = le16_to_cpu(list->dsChannel);
1754 list->atimWindow = le16_to_cpu(list->atimWindow);
1755 list->dBm = le16_to_cpu(list->dBm);
1759 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1760 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1761 wkr, sizeof(*wkr), lock);
1763 wkr->len = le16_to_cpu(wkr->len);
1764 wkr->kindex = le16_to_cpu(wkr->kindex);
1765 wkr->klen = le16_to_cpu(wkr->klen);
1768 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1769 * the originals when we endian them... */
1770 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1772 WepKeyRid wkr = *pwkr;
1774 wkr.len = cpu_to_le16(wkr.len);
1775 wkr.kindex = cpu_to_le16(wkr.kindex);
1776 wkr.klen = cpu_to_le16(wkr.klen);
1777 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1778 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1788 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1790 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792 ssidr->len = le16_to_cpu(ssidr->len);
1793 for(i = 0; i < 3; i++) {
1794 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1798 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1801 SsidRid ssidr = *pssidr;
1803 ssidr.len = cpu_to_le16(ssidr.len);
1804 for(i = 0; i < 3; i++) {
1805 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1807 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1810 static int readConfigRid(struct airo_info*ai, int lock) {
1818 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1822 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1824 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1825 *s = le16_to_cpu(*s);
1827 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1828 *s = le16_to_cpu(*s);
1830 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1831 *s = cpu_to_le16(*s);
1833 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1834 *s = cpu_to_le16(*s);
1839 static inline void checkThrottle(struct airo_info *ai) {
1841 /* Old hardware had a limit on encryption speed */
1842 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1843 for(i=0; i<8; i++) {
1844 if (ai->config.rates[i] > maxencrypt) {
1845 ai->config.rates[i] = 0;
1850 static int writeConfigRid(struct airo_info*ai, int lock) {
1854 if (!test_bit (FLAG_COMMIT, &ai->flags))
1857 clear_bit (FLAG_COMMIT, &ai->flags);
1858 clear_bit (FLAG_RESET, &ai->flags);
1862 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1863 set_bit(FLAG_ADHOC, &ai->flags);
1865 clear_bit(FLAG_ADHOC, &ai->flags);
1867 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1869 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1870 *s = cpu_to_le16(*s);
1872 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1873 *s = cpu_to_le16(*s);
1875 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1876 *s = cpu_to_le16(*s);
1878 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1879 *s = cpu_to_le16(*s);
1881 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1883 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1884 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1887 statr->len = le16_to_cpu(statr->len);
1888 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1890 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1891 *s = le16_to_cpu(*s);
1892 statr->load = le16_to_cpu(statr->load);
1893 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1896 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1897 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1898 aplr->len = le16_to_cpu(aplr->len);
1901 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1903 aplr->len = cpu_to_le16(aplr->len);
1904 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1907 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1908 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1911 capr->len = le16_to_cpu(capr->len);
1912 capr->prodNum = le16_to_cpu(capr->prodNum);
1913 capr->radioType = le16_to_cpu(capr->radioType);
1914 capr->country = le16_to_cpu(capr->country);
1915 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1916 *s = le16_to_cpu(*s);
1919 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1920 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1923 sr->len = le16_to_cpu(sr->len);
1924 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1928 static int airo_open(struct net_device *dev) {
1929 struct airo_info *info = dev->priv;
1932 if (test_bit(FLAG_FLASHING, &info->flags))
1935 /* Make sure the card is configured.
1936 * Wireless Extensions may postpone config changes until the card
1937 * is open (to pipeline changes and speed-up card setup). If
1938 * those changes are not yet commited, do it now - Jean II */
1939 if (test_bit (FLAG_COMMIT, &info->flags)) {
1940 disable_MAC(info, 1);
1941 writeConfigRid(info, 1);
1944 if (info->wifidev != dev) {
1945 /* Power on the MAC controller (which may have been disabled) */
1946 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1947 enable_interrupts(info);
1949 enable_MAC(info, &rsp, 1);
1951 netif_start_queue(dev);
1955 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1956 int npacks, pending;
1957 unsigned long flags;
1958 struct airo_info *ai = dev->priv;
1961 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1964 npacks = skb_queue_len (&ai->txq);
1966 if (npacks >= MAXTXQ - 1) {
1967 netif_stop_queue (dev);
1968 if (npacks > MAXTXQ) {
1969 ai->stats.tx_fifo_errors++;
1972 skb_queue_tail (&ai->txq, skb);
1976 spin_lock_irqsave(&ai->aux_lock, flags);
1977 skb_queue_tail (&ai->txq, skb);
1978 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1979 spin_unlock_irqrestore(&ai->aux_lock,flags);
1980 netif_wake_queue (dev);
1983 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1984 mpi_send_packet (dev);
1992 * Attempt to transmit a packet. Can be called from interrupt
1993 * or transmit . return number of packets we tried to send
1996 static int mpi_send_packet (struct net_device *dev)
1998 struct sk_buff *skb;
1999 unsigned char *buffer;
2000 s16 len, *payloadLen;
2001 struct airo_info *ai = dev->priv;
2004 /* get a packet to send */
2006 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2007 airo_print_err(dev->name,
2008 "%s: Dequeue'd zero in send_packet()",
2013 /* check min length*/
2014 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2017 ai->txfids[0].tx_desc.offset = 0;
2018 ai->txfids[0].tx_desc.valid = 1;
2019 ai->txfids[0].tx_desc.eoc = 1;
2020 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2023 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2024 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2025 * is immediatly after it. ------------------------------------------------
2026 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2027 * ------------------------------------------------
2030 memcpy((char *)ai->txfids[0].virtual_host_addr,
2031 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2033 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2034 sizeof(wifictlhdr8023));
2035 sendbuf = ai->txfids[0].virtual_host_addr +
2036 sizeof(wifictlhdr8023) + 2 ;
2039 * Firmware automaticly puts 802 header on so
2040 * we don't need to account for it in the length
2042 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2043 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2046 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2049 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2050 ai->txfids[0].tx_desc.len += sizeof(pMic);
2051 /* copy data into airo dma buffer */
2052 memcpy (sendbuf, buffer, sizeof(etherHead));
2053 buffer += sizeof(etherHead);
2054 sendbuf += sizeof(etherHead);
2055 memcpy (sendbuf, &pMic, sizeof(pMic));
2056 sendbuf += sizeof(pMic);
2057 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2059 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2061 dev->trans_start = jiffies;
2063 /* copy data into airo dma buffer */
2064 memcpy(sendbuf, buffer, len);
2067 memcpy_toio(ai->txfids[0].card_ram_off,
2068 &ai->txfids[0].tx_desc, sizeof(TxFid));
2070 OUT4500(ai, EVACK, 8);
2072 dev_kfree_skb_any(skb);
2076 static void get_tx_error(struct airo_info *ai, s32 fid)
2081 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2083 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2085 bap_read(ai, &status, 2, BAP0);
2087 if (le16_to_cpu(status) & 2) /* Too many retries */
2088 ai->stats.tx_aborted_errors++;
2089 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2090 ai->stats.tx_heartbeat_errors++;
2091 if (le16_to_cpu(status) & 8) /* Aid fail */
2093 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2094 ai->stats.tx_carrier_errors++;
2095 if (le16_to_cpu(status) & 0x20) /* Association lost */
2097 /* We produce a TXDROP event only for retry or lifetime
2098 * exceeded, because that's the only status that really mean
2099 * that this particular node went away.
2100 * Other errors means that *we* screwed up. - Jean II */
2101 if ((le16_to_cpu(status) & 2) ||
2102 (le16_to_cpu(status) & 4)) {
2103 union iwreq_data wrqu;
2106 /* Faster to skip over useless data than to do
2107 * another bap_setup(). We are at offset 0x6 and
2108 * need to go to 0x18 and read 6 bytes - Jean II */
2109 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2111 /* Copy 802.11 dest address.
2112 * We use the 802.11 header because the frame may
2113 * not be 802.3 or may be mangled...
2114 * In Ad-Hoc mode, it will be the node address.
2115 * In managed mode, it will be most likely the AP addr
2116 * User space will figure out how to convert it to
2117 * whatever it needs (IP address or else).
2119 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2120 wrqu.addr.sa_family = ARPHRD_ETHER;
2122 /* Send event to user space */
2123 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2127 static void airo_end_xmit(struct net_device *dev) {
2130 struct airo_info *priv = dev->priv;
2131 struct sk_buff *skb = priv->xmit.skb;
2132 int fid = priv->xmit.fid;
2133 u32 *fids = priv->fids;
2135 clear_bit(JOB_XMIT, &priv->jobs);
2136 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2137 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2141 if ( status == SUCCESS ) {
2142 dev->trans_start = jiffies;
2143 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2145 priv->fids[fid] &= 0xffff;
2146 priv->stats.tx_window_errors++;
2148 if (i < MAX_FIDS / 2)
2149 netif_wake_queue(dev);
2153 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2156 struct airo_info *priv = dev->priv;
2157 u32 *fids = priv->fids;
2159 if ( skb == NULL ) {
2160 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2164 /* Find a vacant FID */
2165 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2166 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2168 if ( j >= MAX_FIDS / 2 ) {
2169 netif_stop_queue(dev);
2171 if (i == MAX_FIDS / 2) {
2172 priv->stats.tx_fifo_errors++;
2176 /* check min length*/
2177 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2178 /* Mark fid as used & save length for later */
2179 fids[i] |= (len << 16);
2180 priv->xmit.skb = skb;
2182 if (down_trylock(&priv->sem) != 0) {
2183 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2184 netif_stop_queue(dev);
2185 set_bit(JOB_XMIT, &priv->jobs);
2186 wake_up_interruptible(&priv->thr_wait);
2192 static void airo_end_xmit11(struct net_device *dev) {
2195 struct airo_info *priv = dev->priv;
2196 struct sk_buff *skb = priv->xmit11.skb;
2197 int fid = priv->xmit11.fid;
2198 u32 *fids = priv->fids;
2200 clear_bit(JOB_XMIT11, &priv->jobs);
2201 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2202 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2206 if ( status == SUCCESS ) {
2207 dev->trans_start = jiffies;
2208 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2210 priv->fids[fid] &= 0xffff;
2211 priv->stats.tx_window_errors++;
2214 netif_wake_queue(dev);
2218 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2221 struct airo_info *priv = dev->priv;
2222 u32 *fids = priv->fids;
2224 if (test_bit(FLAG_MPI, &priv->flags)) {
2225 /* Not implemented yet for MPI350 */
2226 netif_stop_queue(dev);
2230 if ( skb == NULL ) {
2231 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2235 /* Find a vacant FID */
2236 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2237 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2239 if ( j >= MAX_FIDS ) {
2240 netif_stop_queue(dev);
2242 if (i == MAX_FIDS) {
2243 priv->stats.tx_fifo_errors++;
2247 /* check min length*/
2248 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2249 /* Mark fid as used & save length for later */
2250 fids[i] |= (len << 16);
2251 priv->xmit11.skb = skb;
2252 priv->xmit11.fid = i;
2253 if (down_trylock(&priv->sem) != 0) {
2254 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2255 netif_stop_queue(dev);
2256 set_bit(JOB_XMIT11, &priv->jobs);
2257 wake_up_interruptible(&priv->thr_wait);
2259 airo_end_xmit11(dev);
2263 static void airo_read_stats(struct airo_info *ai) {
2265 u32 *vals = stats_rid.vals;
2267 clear_bit(JOB_STATS, &ai->jobs);
2268 if (ai->power.event) {
2272 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2275 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2276 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2277 ai->stats.rx_bytes = vals[92];
2278 ai->stats.tx_bytes = vals[91];
2279 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2280 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2281 ai->stats.multicast = vals[43];
2282 ai->stats.collisions = vals[89];
2284 /* detailed rx_errors: */
2285 ai->stats.rx_length_errors = vals[3];
2286 ai->stats.rx_crc_errors = vals[4];
2287 ai->stats.rx_frame_errors = vals[2];
2288 ai->stats.rx_fifo_errors = vals[0];
2291 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2293 struct airo_info *local = dev->priv;
2295 if (!test_bit(JOB_STATS, &local->jobs)) {
2296 /* Get stats out of the card if available */
2297 if (down_trylock(&local->sem) != 0) {
2298 set_bit(JOB_STATS, &local->jobs);
2299 wake_up_interruptible(&local->thr_wait);
2301 airo_read_stats(local);
2304 return &local->stats;
2307 static void airo_set_promisc(struct airo_info *ai) {
2311 memset(&cmd, 0, sizeof(cmd));
2312 cmd.cmd=CMD_SETMODE;
2313 clear_bit(JOB_PROMISC, &ai->jobs);
2314 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2315 issuecommand(ai, &cmd, &rsp);
2319 static void airo_set_multicast_list(struct net_device *dev) {
2320 struct airo_info *ai = dev->priv;
2322 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2323 change_bit(FLAG_PROMISC, &ai->flags);
2324 if (down_trylock(&ai->sem) != 0) {
2325 set_bit(JOB_PROMISC, &ai->jobs);
2326 wake_up_interruptible(&ai->thr_wait);
2328 airo_set_promisc(ai);
2331 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2332 /* Turn on multicast. (Should be already setup...) */
2336 static int airo_set_mac_address(struct net_device *dev, void *p)
2338 struct airo_info *ai = dev->priv;
2339 struct sockaddr *addr = p;
2342 readConfigRid(ai, 1);
2343 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2344 set_bit (FLAG_COMMIT, &ai->flags);
2346 writeConfigRid (ai, 1);
2347 enable_MAC(ai, &rsp, 1);
2348 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2350 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2354 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2356 if ((new_mtu < 68) || (new_mtu > 2400))
2363 static int airo_close(struct net_device *dev) {
2364 struct airo_info *ai = dev->priv;
2366 netif_stop_queue(dev);
2368 if (ai->wifidev != dev) {
2369 #ifdef POWER_ON_DOWN
2370 /* Shut power to the card. The idea is that the user can save
2371 * power when he doesn't need the card with "ifconfig down".
2372 * That's the method that is most friendly towards the network
2373 * stack (i.e. the network stack won't try to broadcast
2374 * anything on the interface and routes are gone. Jean II */
2375 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2378 disable_interrupts( ai );
2383 static void del_airo_dev( struct net_device *dev );
2385 void stop_airo_card( struct net_device *dev, int freeres )
2387 struct airo_info *ai = dev->priv;
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2391 disable_interrupts(ai);
2392 free_irq( dev->irq, dev );
2393 takedown_proc_entry( dev, ai );
2394 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2395 unregister_netdev( dev );
2397 unregister_netdev(ai->wifidev);
2398 free_netdev(ai->wifidev);
2401 clear_bit(FLAG_REGISTERED, &ai->flags);
2403 set_bit(JOB_DIE, &ai->jobs);
2404 kill_proc(ai->thr_pid, SIGTERM, 1);
2405 wait_for_completion(&ai->thr_exited);
2408 * Clean out tx queue
2410 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2411 struct sk_buff *skb = NULL;
2412 for (;(skb = skb_dequeue(&ai->txq));)
2416 airo_networks_free (ai);
2423 /* PCMCIA frees this stuff, so only for PCI and ISA */
2424 release_region( dev->base_addr, 64 );
2425 if (test_bit(FLAG_MPI, &ai->flags)) {
2427 mpi_unmap_card(ai->pci);
2429 iounmap(ai->pcimem);
2431 iounmap(ai->pciaux);
2432 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2433 ai->shared, ai->shared_dma);
2436 crypto_free_tfm(ai->tfm);
2437 del_airo_dev( dev );
2441 EXPORT_SYMBOL(stop_airo_card);
2443 static int add_airo_dev( struct net_device *dev );
2445 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2447 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2451 static void mpi_unmap_card(struct pci_dev *pci)
2453 unsigned long mem_start = pci_resource_start(pci, 1);
2454 unsigned long mem_len = pci_resource_len(pci, 1);
2455 unsigned long aux_start = pci_resource_start(pci, 2);
2456 unsigned long aux_len = AUXMEMSIZE;
2458 release_mem_region(aux_start, aux_len);
2459 release_mem_region(mem_start, mem_len);
2462 /*************************************************************
2463 * This routine assumes that descriptors have been setup .
2464 * Run at insmod time or after reset when the decriptors
2465 * have been initialized . Returns 0 if all is well nz
2466 * otherwise . Does not allocate memory but sets up card
2467 * using previously allocated descriptors.
2469 static int mpi_init_descriptors (struct airo_info *ai)
2476 /* Alloc card RX descriptors */
2477 netif_stop_queue(ai->dev);
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2482 cmd.cmd = CMD_ALLOCATEAUX;
2484 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
2488 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 memcpy_toio(ai->rxfids[i].card_ram_off,
2494 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2497 /* Alloc card TX descriptors */
2499 memset(&rsp,0,sizeof(rsp));
2500 memset(&cmd,0,sizeof(cmd));
2502 cmd.cmd = CMD_ALLOCATEAUX;
2504 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2505 cmd.parm2 = MPI_MAX_FIDS;
2507 for (i=0; i<MPI_MAX_FIDS; i++) {
2508 ai->txfids[i].tx_desc.valid = 1;
2509 memcpy_toio(ai->txfids[i].card_ram_off,
2510 &ai->txfids[i].tx_desc, sizeof(TxFid));
2512 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2514 rc=issuecommand(ai, &cmd, &rsp);
2515 if (rc != SUCCESS) {
2516 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2520 /* Alloc card Rid descriptor */
2521 memset(&rsp,0,sizeof(rsp));
2522 memset(&cmd,0,sizeof(cmd));
2524 cmd.cmd = CMD_ALLOCATEAUX;
2526 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2527 cmd.parm2 = 1; /* Magic number... */
2528 rc=issuecommand(ai, &cmd, &rsp);
2529 if (rc != SUCCESS) {
2530 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2534 memcpy_toio(ai->config_desc.card_ram_off,
2535 &ai->config_desc.rid_desc, sizeof(Rid));
2541 * We are setting up three things here:
2542 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2543 * 2) Map PCI memory for issueing commands.
2544 * 3) Allocate memory (shared) to send and receive ethernet frames.
2546 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2549 unsigned long mem_start, mem_len, aux_start, aux_len;
2552 dma_addr_t busaddroff;
2553 unsigned char *vpackoff;
2554 unsigned char __iomem *pciaddroff;
2556 mem_start = pci_resource_start(pci, 1);
2557 mem_len = pci_resource_len(pci, 1);
2558 aux_start = pci_resource_start(pci, 2);
2559 aux_len = AUXMEMSIZE;
2561 if (!request_mem_region(mem_start, mem_len, name)) {
2562 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2563 (int)mem_start, (int)mem_len, name);
2566 if (!request_mem_region(aux_start, aux_len, name)) {
2567 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2568 (int)aux_start, (int)aux_len, name);
2572 ai->pcimem = ioremap(mem_start, mem_len);
2574 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2575 (int)mem_start, (int)mem_len, name);
2578 ai->pciaux = ioremap(aux_start, aux_len);
2580 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2581 (int)aux_start, (int)aux_len, name);
2585 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2586 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2588 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2594 * Setup descriptor RX, TX, CONFIG
2596 busaddroff = ai->shared_dma;
2597 pciaddroff = ai->pciaux + AUX_OFFSET;
2598 vpackoff = ai->shared;
2600 /* RX descriptor setup */
2601 for(i = 0; i < MPI_MAX_FIDS; i++) {
2602 ai->rxfids[i].pending = 0;
2603 ai->rxfids[i].card_ram_off = pciaddroff;
2604 ai->rxfids[i].virtual_host_addr = vpackoff;
2605 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2606 ai->rxfids[i].rx_desc.valid = 1;
2607 ai->rxfids[i].rx_desc.len = PKTSIZE;
2608 ai->rxfids[i].rx_desc.rdy = 0;
2610 pciaddroff += sizeof(RxFid);
2611 busaddroff += PKTSIZE;
2612 vpackoff += PKTSIZE;
2615 /* TX descriptor setup */
2616 for(i = 0; i < MPI_MAX_FIDS; i++) {
2617 ai->txfids[i].card_ram_off = pciaddroff;
2618 ai->txfids[i].virtual_host_addr = vpackoff;
2619 ai->txfids[i].tx_desc.valid = 1;
2620 ai->txfids[i].tx_desc.host_addr = busaddroff;
2621 memcpy(ai->txfids[i].virtual_host_addr,
2622 &wifictlhdr8023, sizeof(wifictlhdr8023));
2624 pciaddroff += sizeof(TxFid);
2625 busaddroff += PKTSIZE;
2626 vpackoff += PKTSIZE;
2628 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2630 /* Rid descriptor setup */
2631 ai->config_desc.card_ram_off = pciaddroff;
2632 ai->config_desc.virtual_host_addr = vpackoff;
2633 ai->config_desc.rid_desc.host_addr = busaddroff;
2634 ai->ridbus = busaddroff;
2635 ai->config_desc.rid_desc.rid = 0;
2636 ai->config_desc.rid_desc.len = RIDSIZE;
2637 ai->config_desc.rid_desc.valid = 1;
2638 pciaddroff += sizeof(Rid);
2639 busaddroff += RIDSIZE;
2640 vpackoff += RIDSIZE;
2642 /* Tell card about descriptors */
2643 if (mpi_init_descriptors (ai) != SUCCESS)
2648 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2650 iounmap(ai->pciaux);
2652 iounmap(ai->pcimem);
2654 release_mem_region(aux_start, aux_len);
2656 release_mem_region(mem_start, mem_len);
2661 static void wifi_setup(struct net_device *dev)
2663 dev->hard_header = NULL;
2664 dev->rebuild_header = NULL;
2665 dev->hard_header_cache = NULL;
2666 dev->header_cache_update= NULL;
2668 dev->hard_header_parse = wll_header_parse;
2669 dev->hard_start_xmit = &airo_start_xmit11;
2670 dev->get_stats = &airo_get_stats;
2671 dev->set_mac_address = &airo_set_mac_address;
2672 dev->do_ioctl = &airo_ioctl;
2673 dev->wireless_handlers = &airo_handler_def;
2674 dev->change_mtu = &airo_change_mtu;
2675 dev->open = &airo_open;
2676 dev->stop = &airo_close;
2678 dev->type = ARPHRD_IEEE80211;
2679 dev->hard_header_len = ETH_HLEN;
2680 dev->mtu = AIRO_DEF_MTU;
2681 dev->addr_len = ETH_ALEN;
2682 dev->tx_queue_len = 100;
2684 memset(dev->broadcast,0xFF, ETH_ALEN);
2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2689 static struct net_device *init_wifidev(struct airo_info *ai,
2690 struct net_device *ethdev)
2693 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2696 dev->priv = ethdev->priv;
2697 dev->irq = ethdev->irq;
2698 dev->base_addr = ethdev->base_addr;
2699 dev->wireless_data = ethdev->wireless_data;
2700 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2701 err = register_netdev(dev);
2709 static int reset_card( struct net_device *dev , int lock) {
2710 struct airo_info *ai = dev->priv;
2712 if (lock && down_interruptible(&ai->sem))
2715 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2724 #define AIRO_MAX_NETWORK_COUNT 64
2725 static int airo_networks_allocate(struct airo_info *ai)
2731 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2733 if (!ai->networks) {
2734 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2741 static void airo_networks_free(struct airo_info *ai)
2745 kfree(ai->networks);
2746 ai->networks = NULL;
2749 static void airo_networks_initialize(struct airo_info *ai)
2753 INIT_LIST_HEAD(&ai->network_free_list);
2754 INIT_LIST_HEAD(&ai->network_list);
2755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2756 list_add_tail(&ai->networks[i].list,
2757 &ai->network_free_list);
2760 static int airo_test_wpa_capable(struct airo_info *ai)
2763 CapabilityRid cap_rid;
2764 const char *name = ai->dev->name;
2766 status = readCapabilityRid(ai, &cap_rid, 1);
2767 if (status != SUCCESS) return 0;
2769 /* Only firmware versions 5.30.17 or better can do WPA */
2770 if ((cap_rid.softVer > 0x530)
2771 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2772 airo_print_info(name, "WPA is supported.");
2776 /* No WPA support */
2777 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2778 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2782 static struct net_device *_init_airo_card( unsigned short irq, int port,
2783 int is_pcmcia, struct pci_dev *pci,
2784 struct device *dmdev )
2786 struct net_device *dev;
2787 struct airo_info *ai;
2790 /* Create the network device object. */
2791 dev = alloc_etherdev(sizeof(*ai));
2793 airo_print_err("", "Couldn't alloc_etherdev");
2796 if (dev_alloc_name(dev, dev->name) < 0) {
2797 airo_print_err("", "Couldn't get name!");
2806 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2807 airo_print_dbg(dev->name, "Found an MPI350 card");
2808 set_bit(FLAG_MPI, &ai->flags);
2810 spin_lock_init(&ai->aux_lock);
2811 sema_init(&ai->sem, 1);
2814 init_waitqueue_head (&ai->thr_wait);
2815 init_completion (&ai->thr_exited);
2816 ai->thr_pid = kernel_thread(airo_thread, dev, CLONE_FS | CLONE_FILES);
2817 if (ai->thr_pid < 0)
2820 rc = add_airo_dev( dev );
2824 if (airo_networks_allocate (ai))
2825 goto err_out_unlink;
2826 airo_networks_initialize (ai);
2828 /* The Airo-specific entries in the device structure. */
2829 if (test_bit(FLAG_MPI,&ai->flags)) {
2830 skb_queue_head_init (&ai->txq);
2831 dev->hard_start_xmit = &mpi_start_xmit;
2833 dev->hard_start_xmit = &airo_start_xmit;
2834 dev->get_stats = &airo_get_stats;
2835 dev->set_multicast_list = &airo_set_multicast_list;
2836 dev->set_mac_address = &airo_set_mac_address;
2837 dev->do_ioctl = &airo_ioctl;
2838 dev->wireless_handlers = &airo_handler_def;
2839 ai->wireless_data.spy_data = &ai->spy_data;
2840 dev->wireless_data = &ai->wireless_data;
2841 dev->change_mtu = &airo_change_mtu;
2842 dev->open = &airo_open;
2843 dev->stop = &airo_close;
2845 dev->base_addr = port;
2847 SET_NETDEV_DEV(dev, dmdev);
2849 reset_card (dev, 1);
2852 rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
2854 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2856 goto err_out_unlink;
2859 if (!request_region( dev->base_addr, 64, dev->name )) {
2861 airo_print_err(dev->name, "Couldn't request region");
2866 if (test_bit(FLAG_MPI,&ai->flags)) {
2867 if (mpi_map_card(ai, pci, dev->name)) {
2868 airo_print_err(dev->name, "Could not map memory");
2874 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2875 airo_print_err(dev->name, "MAC could not be enabled" );
2879 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2880 ai->bap_read = fast_bap_read;
2881 set_bit(FLAG_FLASHING, &ai->flags);
2884 /* Test for WPA support */
2885 if (airo_test_wpa_capable(ai)) {
2886 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2887 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2888 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2889 ai->bssListRidLen = sizeof(BSSListRid);
2891 ai->bssListFirst = RID_BSSLISTFIRST;
2892 ai->bssListNext = RID_BSSLISTNEXT;
2893 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2896 rc = register_netdev(dev);
2898 airo_print_err(dev->name, "Couldn't register_netdev");
2901 ai->wifidev = init_wifidev(ai, dev);
2903 set_bit(FLAG_REGISTERED,&ai->flags);
2904 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2905 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2906 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2908 /* Allocate the transmit buffers */
2909 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2910 for( i = 0; i < MAX_FIDS; i++ )
2911 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2913 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2914 netif_start_queue(dev);
2915 SET_MODULE_OWNER(dev);
2919 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2920 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2921 iounmap(ai->pciaux);
2922 iounmap(ai->pcimem);
2923 mpi_unmap_card(ai->pci);
2927 release_region( dev->base_addr, 64 );
2929 free_irq(dev->irq, dev);
2933 set_bit(JOB_DIE, &ai->jobs);
2934 kill_proc(ai->thr_pid, SIGTERM, 1);
2935 wait_for_completion(&ai->thr_exited);
2941 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2942 struct device *dmdev)
2944 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2947 EXPORT_SYMBOL(init_airo_card);
2949 static int waitbusy (struct airo_info *ai) {
2951 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2953 if ((++delay % 20) == 0)
2954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2956 return delay < 10000;
2959 int reset_airo_card( struct net_device *dev )
2962 struct airo_info *ai = dev->priv;
2964 if (reset_card (dev, 1))
2967 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2968 airo_print_err(dev->name, "MAC could not be enabled");
2971 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2972 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2973 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2974 /* Allocate the transmit buffers if needed */
2975 if (!test_bit(FLAG_MPI,&ai->flags))
2976 for( i = 0; i < MAX_FIDS; i++ )
2977 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2979 enable_interrupts( ai );
2980 netif_wake_queue(dev);
2984 EXPORT_SYMBOL(reset_airo_card);
2986 static void airo_send_event(struct net_device *dev) {
2987 struct airo_info *ai = dev->priv;
2988 union iwreq_data wrqu;
2989 StatusRid status_rid;
2991 clear_bit(JOB_EVENT, &ai->jobs);
2992 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2994 wrqu.data.length = 0;
2995 wrqu.data.flags = 0;
2996 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2997 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2999 /* Send event to user space */
3000 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3003 static void airo_process_scan_results (struct airo_info *ai) {
3004 union iwreq_data wrqu;
3007 BSSListElement * loop_net;
3008 BSSListElement * tmp_net;
3010 /* Blow away current list of scan results */
3011 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3012 list_move_tail (&loop_net->list, &ai->network_free_list);
3013 /* Don't blow away ->list, just BSS data */
3014 memset (loop_net, 0, sizeof (loop_net->bss));
3017 /* Try to read the first entry of the scan result */
3018 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3019 if((rc) || (bss.index == 0xffff)) {
3020 /* No scan results */
3024 /* Read and parse all entries */
3026 while((!rc) && (bss.index != 0xffff)) {
3027 /* Grab a network off the free list */
3028 if (!list_empty(&ai->network_free_list)) {
3029 tmp_net = list_entry(ai->network_free_list.next,
3030 BSSListElement, list);
3031 list_del(ai->network_free_list.next);
3034 if (tmp_net != NULL) {
3035 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3036 list_add_tail(&tmp_net->list, &ai->network_list);
3040 /* Read next entry */
3041 rc = PC4500_readrid(ai, ai->bssListNext,
3042 &bss, ai->bssListRidLen, 0);
3046 ai->scan_timeout = 0;
3047 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3050 /* Send an empty event to user space.
3051 * We don't send the received data on
3052 * the event because it would require
3053 * us to do complex transcoding, and
3054 * we want to minimise the work done in
3055 * the irq handler. Use a request to
3056 * extract the data - Jean II */
3057 wrqu.data.length = 0;
3058 wrqu.data.flags = 0;
3059 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3062 static int airo_thread(void *data) {
3063 struct net_device *dev = data;
3064 struct airo_info *ai = dev->priv;
3067 daemonize("%s", dev->name);
3068 allow_signal(SIGTERM);
3071 if (signal_pending(current))
3072 flush_signals(current);
3074 /* make swsusp happy with our thread */
3077 if (test_bit(JOB_DIE, &ai->jobs))
3081 locked = down_interruptible(&ai->sem);
3085 init_waitqueue_entry(&wait, current);
3086 add_wait_queue(&ai->thr_wait, &wait);
3088 set_current_state(TASK_INTERRUPTIBLE);
3091 if (ai->expires || ai->scan_timeout) {
3092 if (ai->scan_timeout &&
3093 time_after_eq(jiffies,ai->scan_timeout)){
3094 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3096 } else if (ai->expires &&
3097 time_after_eq(jiffies,ai->expires)){
3098 set_bit(JOB_AUTOWEP, &ai->jobs);
3101 if (!signal_pending(current)) {
3102 unsigned long wake_at;
3103 if (!ai->expires || !ai->scan_timeout) {
3104 wake_at = max(ai->expires,
3107 wake_at = min(ai->expires,
3110 schedule_timeout(wake_at - jiffies);
3113 } else if (!signal_pending(current)) {
3119 current->state = TASK_RUNNING;
3120 remove_wait_queue(&ai->thr_wait, &wait);
3127 if (test_bit(JOB_DIE, &ai->jobs)) {
3132 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3137 if (test_bit(JOB_XMIT, &ai->jobs))
3139 else if (test_bit(JOB_XMIT11, &ai->jobs))
3140 airo_end_xmit11(dev);
3141 else if (test_bit(JOB_STATS, &ai->jobs))
3142 airo_read_stats(ai);
3143 else if (test_bit(JOB_WSTATS, &ai->jobs))
3144 airo_read_wireless_stats(ai);
3145 else if (test_bit(JOB_PROMISC, &ai->jobs))
3146 airo_set_promisc(ai);
3147 else if (test_bit(JOB_MIC, &ai->jobs))
3149 else if (test_bit(JOB_EVENT, &ai->jobs))
3150 airo_send_event(dev);
3151 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3153 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3154 airo_process_scan_results(ai);
3155 else /* Shouldn't get here, but we make sure to unlock */
3158 complete_and_exit (&ai->thr_exited, 0);
3161 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
3162 struct net_device *dev = (struct net_device *)dev_id;
3165 struct airo_info *apriv = dev->priv;
3166 u16 savedInterrupts = 0;
3169 if (!netif_device_present(dev))
3173 status = IN4500( apriv, EVSTAT );
3174 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3178 if ( status & EV_AWAKE ) {
3179 OUT4500( apriv, EVACK, EV_AWAKE );
3180 OUT4500( apriv, EVACK, EV_AWAKE );
3183 if (!savedInterrupts) {
3184 savedInterrupts = IN4500( apriv, EVINTEN );
3185 OUT4500( apriv, EVINTEN, 0 );
3188 if ( status & EV_MIC ) {
3189 OUT4500( apriv, EVACK, EV_MIC );
3190 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3191 set_bit(JOB_MIC, &apriv->jobs);
3192 wake_up_interruptible(&apriv->thr_wait);
3195 if ( status & EV_LINK ) {
3196 union iwreq_data wrqu;
3197 int scan_forceloss = 0;
3198 /* The link status has changed, if you want to put a
3199 monitor hook in, do it here. (Remember that
3200 interrupts are still disabled!)
3202 u16 newStatus = IN4500(apriv, LINKSTAT);
3203 OUT4500( apriv, EVACK, EV_LINK);
3204 /* Here is what newStatus means: */
3205 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3206 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3207 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3208 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3209 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3210 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3211 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3212 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3214 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3216 #define ASSOCIATED 0x0400 /* Associated */
3217 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3218 #define RC_RESERVED 0 /* Reserved return code */
3219 #define RC_NOREASON 1 /* Unspecified reason */
3220 #define RC_AUTHINV 2 /* Previous authentication invalid */
3221 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3223 #define RC_NOACT 4 /* Disassociated due to inactivity */
3224 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3225 all currently associated stations */
3226 #define RC_BADCLASS2 6 /* Class 2 frame received from
3227 non-Authenticated station */
3228 #define RC_BADCLASS3 7 /* Class 3 frame received from
3229 non-Associated station */
3230 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3232 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3233 Authenticated with the responding station */
3234 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3236 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3240 wake_up_process (apriv->task);
3241 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3242 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3244 if (down_trylock(&apriv->sem) != 0) {
3245 set_bit(JOB_EVENT, &apriv->jobs);
3246 wake_up_interruptible(&apriv->thr_wait);
3248 airo_send_event(dev);
3249 } else if (!scan_forceloss) {
3250 if (auto_wep && !apriv->expires) {
3251 apriv->expires = RUN_AT(3*HZ);
3252 wake_up_interruptible(&apriv->thr_wait);
3255 /* Send event to user space */
3256 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3257 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3258 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3262 /* Check to see if there is something to receive */
3263 if ( status & EV_RX ) {
3264 struct sk_buff *skb = NULL;
3265 u16 fc, len, hdrlen = 0;
3279 if (test_bit(FLAG_MPI,&apriv->flags)) {
3280 if (test_bit(FLAG_802_11, &apriv->flags))
3281 mpi_receive_802_11(apriv);
3283 mpi_receive_802_3(apriv);
3284 OUT4500(apriv, EVACK, EV_RX);
3288 fid = IN4500( apriv, RXFID );
3290 /* Get the packet length */
3291 if (test_bit(FLAG_802_11, &apriv->flags)) {
3292 bap_setup (apriv, fid, 4, BAP0);
3293 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3294 /* Bad CRC. Ignore packet */
3295 if (le16_to_cpu(hdr.status) & 2)
3297 if (apriv->wifidev == NULL)
3300 bap_setup (apriv, fid, 0x36, BAP0);
3301 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3303 len = le16_to_cpu(hdr.len);
3305 if (len > AIRO_DEF_MTU) {
3306 airo_print_err(apriv->dev->name, "Bad size %d", len);
3312 if (test_bit(FLAG_802_11, &apriv->flags)) {
3313 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3314 fc = le16_to_cpu(fc);
3317 if ((fc & 0xe0) == 0xc0)
3323 if ((fc&0x300)==0x300){
3331 hdrlen = ETH_ALEN * 2;
3333 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3335 apriv->stats.rx_dropped++;
3338 skb_reserve(skb, 2); /* This way the IP header is aligned */
3339 buffer = (u16*)skb_put (skb, len + hdrlen);
3340 if (test_bit(FLAG_802_11, &apriv->flags)) {
3342 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3344 bap_read (apriv, tmpbuf, 6, BAP0);
3346 bap_read (apriv, &gap, sizeof(gap), BAP0);
3347 gap = le16_to_cpu(gap);
3350 bap_read (apriv, tmpbuf, gap, BAP0);
3352 airo_print_err(apriv->dev->name, "gaplen too "
3353 "big. Problems will follow...");
3356 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3359 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3360 if (apriv->micstats.enabled) {
3361 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3362 if (ntohs(micbuf.typelen) > 0x05DC)
3363 bap_setup (apriv, fid, 0x44, BAP0);
3365 if (len <= sizeof(micbuf))
3368 len -= sizeof(micbuf);
3369 skb_trim (skb, len + hdrlen);
3372 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3373 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3375 dev_kfree_skb_irq (skb);
3377 OUT4500( apriv, EVACK, EV_RX);
3382 if (apriv->spy_data.spy_number > 0) {
3384 struct iw_quality wstats;
3385 /* Prepare spy data : addr + qual */
3386 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3387 sa = (char*)buffer + 6;
3388 bap_setup (apriv, fid, 8, BAP0);
3389 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3391 sa = (char*)buffer + 10;
3392 wstats.qual = hdr.rssi[0];
3394 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3396 wstats.level = (hdr.rssi[1] + 321) / 2;
3397 wstats.noise = apriv->wstats.qual.noise;
3398 wstats.updated = IW_QUAL_LEVEL_UPDATED
3399 | IW_QUAL_QUAL_UPDATED
3401 /* Update spy records */
3402 wireless_spy_update(dev, sa, &wstats);
3404 #endif /* WIRELESS_SPY */
3405 OUT4500( apriv, EVACK, EV_RX);
3407 if (test_bit(FLAG_802_11, &apriv->flags)) {
3408 skb->mac.raw = skb->data;
3409 skb->pkt_type = PACKET_OTHERHOST;
3410 skb->dev = apriv->wifidev;
3411 skb->protocol = htons(ETH_P_802_2);
3414 skb->protocol = eth_type_trans(skb,dev);
3416 skb->dev->last_rx = jiffies;
3417 skb->ip_summed = CHECKSUM_NONE;
3423 /* Check to see if a packet has been transmitted */
3424 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3429 if (test_bit(FLAG_MPI,&apriv->flags)) {
3430 unsigned long flags;
3432 if (status & EV_TXEXC)
3433 get_tx_error(apriv, -1);
3434 spin_lock_irqsave(&apriv->aux_lock, flags);
3435 if (!skb_queue_empty(&apriv->txq)) {
3436 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3437 mpi_send_packet (dev);
3439 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3440 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3441 netif_wake_queue (dev);
3443 OUT4500( apriv, EVACK,
3444 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3448 fid = IN4500(apriv, TXCOMPLFID);
3450 for( i = 0; i < MAX_FIDS; i++ ) {
3451 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3452 len = apriv->fids[i] >> 16;
3457 if (status & EV_TXEXC)
3458 get_tx_error(apriv, index);
3459 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3460 /* Set up to be used again */
3461 apriv->fids[index] &= 0xffff;
3462 if (index < MAX_FIDS / 2) {
3463 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3464 netif_wake_queue(dev);
3466 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3467 netif_wake_queue(apriv->wifidev);
3470 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3471 airo_print_err(apriv->dev->name, "Unallocated FID was "
3476 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3477 airo_print_warn(apriv->dev->name, "Got weird status %x",
3478 status & ~STATUS_INTS & ~IGNORE_INTS );
3481 if (savedInterrupts)
3482 OUT4500( apriv, EVINTEN, savedInterrupts );
3485 return IRQ_RETVAL(handled);
3489 * Routines to talk to the card
3493 * This was originally written for the 4500, hence the name
3494 * NOTE: If use with 8bit mode and SMP bad things will happen!
3495 * Why would some one do 8 bit IO in an SMP machine?!?
3497 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3498 if (test_bit(FLAG_MPI,&ai->flags))
3501 outw( val, ai->dev->base_addr + reg );
3503 outb( val & 0xff, ai->dev->base_addr + reg );
3504 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3508 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3511 if (test_bit(FLAG_MPI,&ai->flags))
3514 rc = inw( ai->dev->base_addr + reg );
3516 rc = inb( ai->dev->base_addr + reg );
3517 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3522 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3526 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3527 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3528 * Note : we could try to use !netif_running(dev) in enable_MAC()
3529 * instead of this flag, but I don't trust it *within* the
3530 * open/close functions, and testing both flags together is
3531 * "cheaper" - Jean II */
3532 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3534 if (lock && down_interruptible(&ai->sem))
3535 return -ERESTARTSYS;
3537 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3538 memset(&cmd, 0, sizeof(cmd));
3539 cmd.cmd = MAC_ENABLE;
3540 rc = issuecommand(ai, &cmd, rsp);
3542 set_bit(FLAG_ENABLED, &ai->flags);
3550 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3555 static void disable_MAC( struct airo_info *ai, int lock ) {
3559 if (lock && down_interruptible(&ai->sem))
3562 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3563 memset(&cmd, 0, sizeof(cmd));
3564 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3565 issuecommand(ai, &cmd, &rsp);
3566 clear_bit(FLAG_ENABLED, &ai->flags);
3572 static void enable_interrupts( struct airo_info *ai ) {
3573 /* Enable the interrupts */
3574 OUT4500( ai, EVINTEN, STATUS_INTS );
3577 static void disable_interrupts( struct airo_info *ai ) {
3578 OUT4500( ai, EVINTEN, 0 );
3581 static void mpi_receive_802_3(struct airo_info *ai)
3585 struct sk_buff *skb;
3590 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3591 /* Make sure we got something */
3592 if (rxd.rdy && rxd.valid == 0) {
3594 if (len < 12 || len > 2048)
3597 skb = dev_alloc_skb(len);
3599 ai->stats.rx_dropped++;
3602 buffer = skb_put(skb,len);
3603 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3604 if (ai->micstats.enabled) {
3606 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3608 if (ntohs(micbuf.typelen) <= 0x05DC) {
3609 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3612 off = sizeof(micbuf);
3613 skb_trim (skb, len - off);
3616 memcpy(buffer + ETH_ALEN * 2,
3617 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3618 len - ETH_ALEN * 2 - off);
3619 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3621 dev_kfree_skb_irq (skb);
3625 if (ai->spy_data.spy_number > 0) {
3627 struct iw_quality wstats;
3628 /* Prepare spy data : addr + qual */
3629 sa = buffer + ETH_ALEN;
3630 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3633 /* Update spy records */
3634 wireless_spy_update(ai->dev, sa, &wstats);
3636 #endif /* WIRELESS_SPY */
3639 skb->ip_summed = CHECKSUM_NONE;
3640 skb->protocol = eth_type_trans(skb, ai->dev);
3641 skb->dev->last_rx = jiffies;
3645 if (rxd.valid == 0) {
3649 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3653 void mpi_receive_802_11 (struct airo_info *ai)
3656 struct sk_buff *skb = NULL;
3657 u16 fc, len, hdrlen = 0;
3669 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3671 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3672 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3674 /* Bad CRC. Ignore packet */
3675 if (le16_to_cpu(hdr.status) & 2)
3677 if (ai->wifidev == NULL)
3679 len = le16_to_cpu(hdr.len);
3680 if (len > AIRO_DEF_MTU) {
3681 airo_print_err(ai->dev->name, "Bad size %d", len);
3687 memcpy ((char *)&fc, ptr, sizeof(fc));
3688 fc = le16_to_cpu(fc);
3691 if ((fc & 0xe0) == 0xc0)
3697 if ((fc&0x300)==0x300){
3705 skb = dev_alloc_skb( len + hdrlen + 2 );
3707 ai->stats.rx_dropped++;
3710 buffer = (u16*)skb_put (skb, len + hdrlen);
3711 memcpy ((char *)buffer, ptr, hdrlen);
3715 memcpy ((char *)&gap, ptr, sizeof(gap));
3717 gap = le16_to_cpu(gap);
3722 airo_print_err(ai->dev->name,
3723 "gaplen too big. Problems will follow...");
3725 memcpy ((char *)buffer + hdrlen, ptr, len);
3727 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3728 if (ai->spy_data.spy_number > 0) {
3730 struct iw_quality wstats;
3731 /* Prepare spy data : addr + qual */
3732 sa = (char*)buffer + 10;
3733 wstats.qual = hdr.rssi[0];
3735 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3737 wstats.level = (hdr.rssi[1] + 321) / 2;
3738 wstats.noise = ai->wstats.qual.noise;
3739 wstats.updated = IW_QUAL_QUAL_UPDATED
3740 | IW_QUAL_LEVEL_UPDATED
3742 /* Update spy records */
3743 wireless_spy_update(ai->dev, sa, &wstats);
3745 #endif /* IW_WIRELESS_SPY */
3746 skb->mac.raw = skb->data;
3747 skb->pkt_type = PACKET_OTHERHOST;
3748 skb->dev = ai->wifidev;
3749 skb->protocol = htons(ETH_P_802_2);
3750 skb->dev->last_rx = jiffies;
3751 skb->ip_summed = CHECKSUM_NONE;
3754 if (rxd.valid == 0) {
3758 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3762 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3773 memset( &mySsid, 0, sizeof( mySsid ) );
3777 /* The NOP is the first step in getting the card going */
3779 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3780 if (lock && down_interruptible(&ai->sem))
3782 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3787 disable_MAC( ai, 0);
3789 // Let's figure out if we need to use the AUX port
3790 if (!test_bit(FLAG_MPI,&ai->flags)) {
3791 cmd.cmd = CMD_ENABLEAUX;
3792 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3795 airo_print_err(ai->dev->name, "Error checking for AUX port");
3798 if (!aux_bap || rsp.status & 0xff00) {
3799 ai->bap_read = fast_bap_read;
3800 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3802 ai->bap_read = aux_bap_read;
3803 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3808 if (ai->config.len == 0) {
3809 tdsRssiRid rssi_rid;
3810 CapabilityRid cap_rid;
3816 // general configuration (read/modify/write)
3817 status = readConfigRid(ai, lock);
3818 if ( status != SUCCESS ) return ERROR;
3820 status = readCapabilityRid(ai, &cap_rid, lock);
3821 if ( status != SUCCESS ) return ERROR;
3823 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3824 if ( status == SUCCESS ) {
3825 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3826 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3831 if (cap_rid.softCap & 8)
3832 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3834 airo_print_warn(ai->dev->name, "unknown received signal "
3837 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3838 ai->config.authType = AUTH_OPEN;
3839 ai->config.modulation = MOD_CCK;
3841 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3842 (micsetup(ai) == SUCCESS)) {
3843 ai->config.opmode |= MODE_MIC;
3844 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3847 /* Save off the MAC */
3848 for( i = 0; i < ETH_ALEN; i++ ) {
3849 mac[i] = ai->config.macAddr[i];
3852 /* Check to see if there are any insmod configured
3856 memset(ai->config.rates,0,sizeof(ai->config.rates));
3857 for( i = 0; i < 8 && rates[i]; i++ ) {
3858 ai->config.rates[i] = rates[i];
3861 if ( basic_rate > 0 ) {
3863 for( i = 0; i < 8; i++ ) {
3864 if ( ai->config.rates[i] == basic_rate ||
3865 !ai->config.rates ) {
3866 ai->config.rates[i] = basic_rate | 0x80;
3871 set_bit (FLAG_COMMIT, &ai->flags);
3874 /* Setup the SSIDs if present */
3877 for( i = 0; i < 3 && ssids[i]; i++ ) {
3878 mySsid.ssids[i].len = strlen(ssids[i]);
3879 if ( mySsid.ssids[i].len > 32 )
3880 mySsid.ssids[i].len = 32;
3881 memcpy(mySsid.ssids[i].ssid, ssids[i],
3882 mySsid.ssids[i].len);
3884 mySsid.len = sizeof(mySsid);
3887 status = writeConfigRid(ai, lock);
3888 if ( status != SUCCESS ) return ERROR;
3890 /* Set up the SSID list */
3892 status = writeSsidRid(ai, &mySsid, lock);
3893 if ( status != SUCCESS ) return ERROR;
3896 status = enable_MAC(ai, &rsp, lock);
3897 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3898 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3899 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3903 /* Grab the initial wep key, we gotta save it for auto_wep */
3904 rc = readWepKeyRid(ai, &wkr, 1, lock);
3905 if (rc == SUCCESS) do {
3906 lastindex = wkr.kindex;
3907 if (wkr.kindex == 0xffff) {
3908 ai->defindex = wkr.mac[0];
3910 rc = readWepKeyRid(ai, &wkr, 0, lock);
3911 } while(lastindex != wkr.kindex);
3914 ai->expires = RUN_AT(3*HZ);
3915 wake_up_interruptible(&ai->thr_wait);
3921 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3922 // Im really paranoid about letting it run forever!
3923 int max_tries = 600000;
3925 if (IN4500(ai, EVSTAT) & EV_CMD)
3926 OUT4500(ai, EVACK, EV_CMD);
3928 OUT4500(ai, PARAM0, pCmd->parm0);
3929 OUT4500(ai, PARAM1, pCmd->parm1);
3930 OUT4500(ai, PARAM2, pCmd->parm2);
3931 OUT4500(ai, COMMAND, pCmd->cmd);
3933 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3934 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3935 // PC4500 didn't notice command, try again
3936 OUT4500(ai, COMMAND, pCmd->cmd);
3937 if (!in_atomic() && (max_tries & 255) == 0)
3941 if ( max_tries == -1 ) {
3942 airo_print_err(ai->dev->name,
3943 "Max tries exceeded when issueing command");
3944 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3945 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3949 // command completed
3950 pRsp->status = IN4500(ai, STATUS);
3951 pRsp->rsp0 = IN4500(ai, RESP0);
3952 pRsp->rsp1 = IN4500(ai, RESP1);
3953 pRsp->rsp2 = IN4500(ai, RESP2);
3954 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
3955 airo_print_err(ai->dev->name, "cmd= %x\n", pCmd->cmd);
3956 airo_print_err(ai->dev->name, "status= %x\n", pRsp->status);
3957 airo_print_err(ai->dev->name, "Rsp0= %x\n", pRsp->rsp0);
3958 airo_print_err(ai->dev->name, "Rsp1= %x\n", pRsp->rsp1);
3959 airo_print_err(ai->dev->name, "Rsp2= %x\n", pRsp->rsp2);
3962 // clear stuck command busy if necessary
3963 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3964 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3966 // acknowledge processing the status/response
3967 OUT4500(ai, EVACK, EV_CMD);
3972 /* Sets up the bap to start exchange data. whichbap should
3973 * be one of the BAP0 or BAP1 defines. Locks should be held before
3975 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3980 OUT4500(ai, SELECT0+whichbap, rid);
3981 OUT4500(ai, OFFSET0+whichbap, offset);
3983 int status = IN4500(ai, OFFSET0+whichbap);
3984 if (status & BAP_BUSY) {
3985 /* This isn't really a timeout, but its kinda
3990 } else if ( status & BAP_ERR ) {
3991 /* invalid rid or offset */
3992 airo_print_err(ai->dev->name, "BAP error %x %d",
3995 } else if (status & BAP_DONE) { // success
3998 if ( !(max_tries--) ) {
3999 airo_print_err(ai->dev->name,
4000 "airo: BAP setup error too many retries\n");
4003 // -- PC4500 missed it, try again
4004 OUT4500(ai, SELECT0+whichbap, rid);
4005 OUT4500(ai, OFFSET0+whichbap, offset);
4010 /* should only be called by aux_bap_read. This aux function and the
4011 following use concepts not documented in the developers guide. I
4012 got them from a patch given to my by Aironet */
4013 static u16 aux_setup(struct airo_info *ai, u16 page,
4014 u16 offset, u16 *len)
4018 OUT4500(ai, AUXPAGE, page);
4019 OUT4500(ai, AUXOFF, 0);
4020 next = IN4500(ai, AUXDATA);
4021 *len = IN4500(ai, AUXDATA)&0xff;
4022 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4026 /* requires call to bap_setup() first */
4027 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4028 int bytelen, int whichbap)
4036 unsigned long flags;
4038 spin_lock_irqsave(&ai->aux_lock, flags);
4039 page = IN4500(ai, SWS0+whichbap);
4040 offset = IN4500(ai, SWS2+whichbap);
4041 next = aux_setup(ai, page, offset, &len);
4042 words = (bytelen+1)>>1;
4044 for (i=0; i<words;) {
4046 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4048 insw( ai->dev->base_addr+DATA0+whichbap,
4051 insb( ai->dev->base_addr+DATA0+whichbap,
4052 pu16Dst+i, count << 1 );
4055 next = aux_setup(ai, next, 4, &len);
4058 spin_unlock_irqrestore(&ai->aux_lock, flags);
4063 /* requires call to bap_setup() first */
4064 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4065 int bytelen, int whichbap)
4067 bytelen = (bytelen + 1) & (~1); // round up to even value
4069 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4071 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4075 /* requires call to bap_setup() first */
4076 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4077 int bytelen, int whichbap)
4079 bytelen = (bytelen + 1) & (~1); // round up to even value
4081 outsw( ai->dev->base_addr+DATA0+whichbap,
4082 pu16Src, bytelen>>1 );
4084 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4088 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4090 Cmd cmd; /* for issuing commands */
4091 Resp rsp; /* response from commands */
4094 memset(&cmd, 0, sizeof(cmd));
4097 status = issuecommand(ai, &cmd, &rsp);
4098 if (status != 0) return status;
4099 if ( (rsp.status & 0x7F00) != 0) {
4100 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4105 /* Note, that we are using BAP1 which is also used by transmit, so
4106 * we must get a lock. */
4107 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4113 if (down_interruptible(&ai->sem))
4116 if (test_bit(FLAG_MPI,&ai->flags)) {
4120 memset(&cmd, 0, sizeof(cmd));
4121 memset(&rsp, 0, sizeof(rsp));
4122 ai->config_desc.rid_desc.valid = 1;
4123 ai->config_desc.rid_desc.len = RIDSIZE;
4124 ai->config_desc.rid_desc.rid = 0;
4125 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4127 cmd.cmd = CMD_ACCESS;
4130 memcpy_toio(ai->config_desc.card_ram_off,
4131 &ai->config_desc.rid_desc, sizeof(Rid));
4133 rc = issuecommand(ai, &cmd, &rsp);
4135 if (rsp.status & 0x7f00)
4138 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4141 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4145 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4149 // read the rid length field
4150 bap_read(ai, pBuf, 2, BAP1);
4151 // length for remaining part of rid
4152 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4155 airo_print_err(ai->dev->name,
4156 "Rid %x has a length of %d which is too short",
4157 (int)rid, (int)len );
4161 // read remainder of the rid
4162 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4170 /* Note, that we are using BAP1 which is also used by transmit, so
4171 * make sure this isnt called when a transmit is happening */
4172 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4173 const void *pBuf, int len, int lock)
4178 *(u16*)pBuf = cpu_to_le16((u16)len);
4181 if (down_interruptible(&ai->sem))
4184 if (test_bit(FLAG_MPI,&ai->flags)) {
4188 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4189 airo_print_err(ai->dev->name,
4190 "%s: MAC should be disabled (rid=%04x)",
4192 memset(&cmd, 0, sizeof(cmd));
4193 memset(&rsp, 0, sizeof(rsp));
4195 ai->config_desc.rid_desc.valid = 1;
4196 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4197 ai->config_desc.rid_desc.rid = 0;
4199 cmd.cmd = CMD_WRITERID;
4202 memcpy_toio(ai->config_desc.card_ram_off,
4203 &ai->config_desc.rid_desc, sizeof(Rid));
4205 if (len < 4 || len > 2047) {
4206 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4209 memcpy((char *)ai->config_desc.virtual_host_addr,
4212 rc = issuecommand(ai, &cmd, &rsp);
4213 if ((rc & 0xff00) != 0) {
4214 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4216 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4217 __FUNCTION__, cmd.cmd);
4220 if ((rsp.status & 0x7f00))
4224 // --- first access so that we can write the rid data
4225 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4229 // --- now write the rid data
4230 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4234 bap_write(ai, pBuf, len, BAP1);
4235 // ---now commit the rid data
4236 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4244 /* Allocates a FID to be used for transmitting packets. We only use
4246 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4248 unsigned int loop = 3000;
4254 cmd.cmd = CMD_ALLOCATETX;
4255 cmd.parm0 = lenPayload;
4256 if (down_interruptible(&ai->sem))
4258 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4262 if ( (rsp.status & 0xFF00) != 0) {
4266 /* wait for the allocate event/indication
4267 * It makes me kind of nervous that this can just sit here and spin,
4268 * but in practice it only loops like four times. */
4269 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4275 // get the allocated fid and acknowledge
4276 txFid = IN4500(ai, TXALLOCFID);
4277 OUT4500(ai, EVACK, EV_ALLOC);
4279 /* The CARD is pretty cool since it converts the ethernet packet
4280 * into 802.11. Also note that we don't release the FID since we
4281 * will be using the same one over and over again. */
4282 /* We only have to setup the control once since we are not
4283 * releasing the fid. */
4285 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4286 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4288 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4289 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4290 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4293 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4301 /* In general BAP1 is dedicated to transmiting packets. However,
4302 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4303 Make sure the BAP1 spinlock is held when this is called. */
4304 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4315 if (len <= ETH_ALEN * 2) {
4316 airo_print_warn(ai->dev->name, "Short packet %d", len);
4319 len -= ETH_ALEN * 2;
4321 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4322 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4323 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4325 miclen = sizeof(pMic);
4327 // packet is destination[6], source[6], payload[len-12]
4328 // write the payload length and dst/src/payload
4329 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4330 /* The hardware addresses aren't counted as part of the payload, so
4331 * we have to subtract the 12 bytes for the addresses off */
4332 payloadLen = cpu_to_le16(len + miclen);
4333 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4334 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4336 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4337 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4338 // issue the transmit command
4339 memset( &cmd, 0, sizeof( cmd ) );
4340 cmd.cmd = CMD_TRANSMIT;
4342 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4343 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4347 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4362 fc = le16_to_cpu(*(const u16*)pPacket);
4365 if ((fc & 0xe0) == 0xc0)
4371 if ((fc&0x300)==0x300){
4380 airo_print_warn(ai->dev->name, "Short packet %d", len);
4384 /* packet is 802.11 header + payload
4385 * write the payload length and dst/src/payload */
4386 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4387 /* The 802.11 header aren't counted as part of the payload, so
4388 * we have to subtract the header bytes off */
4389 payloadLen = cpu_to_le16(len-hdrlen);
4390 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4391 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4392 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4393 bap_write(ai, hdrlen == 30 ?
4394 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4396 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4397 // issue the transmit command
4398 memset( &cmd, 0, sizeof( cmd ) );
4399 cmd.cmd = CMD_TRANSMIT;
4401 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4402 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4407 * This is the proc_fs routines. It is a bit messier than I would
4408 * like! Feel free to clean it up!
4411 static ssize_t proc_read( struct file *file,
4412 char __user *buffer,
4416 static ssize_t proc_write( struct file *file,
4417 const char __user *buffer,
4420 static int proc_close( struct inode *inode, struct file *file );
4422 static int proc_stats_open( struct inode *inode, struct file *file );
4423 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4424 static int proc_status_open( struct inode *inode, struct file *file );
4425 static int proc_SSID_open( struct inode *inode, struct file *file );
4426 static int proc_APList_open( struct inode *inode, struct file *file );
4427 static int proc_BSSList_open( struct inode *inode, struct file *file );
4428 static int proc_config_open( struct inode *inode, struct file *file );
4429 static int proc_wepkey_open( struct inode *inode, struct file *file );
4431 static struct file_operations proc_statsdelta_ops = {
4433 .open = proc_statsdelta_open,
4434 .release = proc_close
4437 static struct file_operations proc_stats_ops = {
4439 .open = proc_stats_open,
4440 .release = proc_close
4443 static struct file_operations proc_status_ops = {
4445 .open = proc_status_open,
4446 .release = proc_close
4449 static struct file_operations proc_SSID_ops = {
4451 .write = proc_write,
4452 .open = proc_SSID_open,
4453 .release = proc_close
4456 static struct file_operations proc_BSSList_ops = {
4458 .write = proc_write,
4459 .open = proc_BSSList_open,
4460 .release = proc_close
4463 static struct file_operations proc_APList_ops = {
4465 .write = proc_write,
4466 .open = proc_APList_open,
4467 .release = proc_close
4470 static struct file_operations proc_config_ops = {
4472 .write = proc_write,
4473 .open = proc_config_open,
4474 .release = proc_close
4477 static struct file_operations proc_wepkey_ops = {
4479 .write = proc_write,
4480 .open = proc_wepkey_open,
4481 .release = proc_close
4484 static struct proc_dir_entry *airo_entry;
4493 void (*on_close) (struct inode *, struct file *);
4497 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4500 static int setup_proc_entry( struct net_device *dev,
4501 struct airo_info *apriv ) {
4502 struct proc_dir_entry *entry;
4503 /* First setup the device directory */
4504 strcpy(apriv->proc_name,dev->name);
4505 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4508 apriv->proc_entry->uid = proc_uid;
4509 apriv->proc_entry->gid = proc_gid;
4510 apriv->proc_entry->owner = THIS_MODULE;
4512 /* Setup the StatsDelta */
4513 entry = create_proc_entry("StatsDelta",
4514 S_IFREG | (S_IRUGO&proc_perm),
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
4519 entry->owner = THIS_MODULE;
4520 SETPROC_OPS(entry, proc_statsdelta_ops);
4522 /* Setup the Stats */
4523 entry = create_proc_entry("Stats",
4524 S_IFREG | (S_IRUGO&proc_perm),
4526 entry->uid = proc_uid;
4527 entry->gid = proc_gid;
4529 entry->owner = THIS_MODULE;
4530 SETPROC_OPS(entry, proc_stats_ops);
4532 /* Setup the Status */
4533 entry = create_proc_entry("Status",
4534 S_IFREG | (S_IRUGO&proc_perm),
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4539 entry->owner = THIS_MODULE;
4540 SETPROC_OPS(entry, proc_status_ops);
4542 /* Setup the Config */
4543 entry = create_proc_entry("Config",
4544 S_IFREG | proc_perm,
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4549 entry->owner = THIS_MODULE;
4550 SETPROC_OPS(entry, proc_config_ops);
4552 /* Setup the SSID */
4553 entry = create_proc_entry("SSID",
4554 S_IFREG | proc_perm,
4556 entry->uid = proc_uid;
4557 entry->gid = proc_gid;
4559 entry->owner = THIS_MODULE;
4560 SETPROC_OPS(entry, proc_SSID_ops);
4562 /* Setup the APList */
4563 entry = create_proc_entry("APList",
4564 S_IFREG | proc_perm,
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
4569 entry->owner = THIS_MODULE;
4570 SETPROC_OPS(entry, proc_APList_ops);
4572 /* Setup the BSSList */
4573 entry = create_proc_entry("BSSList",
4574 S_IFREG | proc_perm,
4576 entry->uid = proc_uid;
4577 entry->gid = proc_gid;
4579 entry->owner = THIS_MODULE;
4580 SETPROC_OPS(entry, proc_BSSList_ops);
4582 /* Setup the WepKey */
4583 entry = create_proc_entry("WepKey",
4584 S_IFREG | proc_perm,
4586 entry->uid = proc_uid;
4587 entry->gid = proc_gid;
4589 entry->owner = THIS_MODULE;
4590 SETPROC_OPS(entry, proc_wepkey_ops);
4595 static int takedown_proc_entry( struct net_device *dev,
4596 struct airo_info *apriv ) {
4597 if ( !apriv->proc_entry->namelen ) return 0;
4598 remove_proc_entry("Stats",apriv->proc_entry);
4599 remove_proc_entry("StatsDelta",apriv->proc_entry);
4600 remove_proc_entry("Status",apriv->proc_entry);
4601 remove_proc_entry("Config",apriv->proc_entry);
4602 remove_proc_entry("SSID",apriv->proc_entry);
4603 remove_proc_entry("APList",apriv->proc_entry);
4604 remove_proc_entry("BSSList",apriv->proc_entry);
4605 remove_proc_entry("WepKey",apriv->proc_entry);
4606 remove_proc_entry(apriv->proc_name,airo_entry);
4611 * What we want from the proc_fs is to be able to efficiently read
4612 * and write the configuration. To do this, we want to read the
4613 * configuration when the file is opened and write it when the file is
4614 * closed. So basically we allocate a read buffer at open and fill it
4615 * with data, and allocate a write buffer and read it at close.
4619 * The read routine is generic, it relies on the preallocated rbuffer
4620 * to supply the data.
4622 static ssize_t proc_read( struct file *file,
4623 char __user *buffer,
4627 loff_t pos = *offset;
4628 struct proc_data *priv = (struct proc_data*)file->private_data;
4635 if (pos >= priv->readlen)
4637 if (len > priv->readlen - pos)
4638 len = priv->readlen - pos;
4639 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4641 *offset = pos + len;
4646 * The write routine is generic, it fills in a preallocated rbuffer
4647 * to supply the data.
4649 static ssize_t proc_write( struct file *file,
4650 const char __user *buffer,
4654 loff_t pos = *offset;
4655 struct proc_data *priv = (struct proc_data*)file->private_data;
4662 if (pos >= priv->maxwritelen)
4664 if (len > priv->maxwritelen - pos)
4665 len = priv->maxwritelen - pos;
4666 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4668 if ( pos + len > priv->writelen )
4669 priv->writelen = len + file->f_pos;
4670 *offset = pos + len;
4674 static int proc_status_open( struct inode *inode, struct file *file ) {
4675 struct proc_data *data;
4676 struct proc_dir_entry *dp = PDE(inode);
4677 struct net_device *dev = dp->data;
4678 struct airo_info *apriv = dev->priv;
4679 CapabilityRid cap_rid;
4680 StatusRid status_rid;
4683 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4685 data = (struct proc_data *)file->private_data;
4686 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4687 kfree (file->private_data);
4691 readStatusRid(apriv, &status_rid, 1);
4692 readCapabilityRid(apriv, &cap_rid, 1);
4694 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4695 status_rid.mode & 1 ? "CFG ": "",
4696 status_rid.mode & 2 ? "ACT ": "",
4697 status_rid.mode & 0x10 ? "SYN ": "",
4698 status_rid.mode & 0x20 ? "LNK ": "",
4699 status_rid.mode & 0x40 ? "LEAP ": "",
4700 status_rid.mode & 0x80 ? "PRIV ": "",
4701 status_rid.mode & 0x100 ? "KEY ": "",
4702 status_rid.mode & 0x200 ? "WEP ": "",
4703 status_rid.mode & 0x8000 ? "ERR ": "");
4704 sprintf( data->rbuffer+i, "Mode: %x\n"
4705 "Signal Strength: %d\n"
4706 "Signal Quality: %d\n"
4711 "Driver Version: %s\n"
4712 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4713 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4714 "Software Version: %x\nSoftware Subversion: %x\n"
4715 "Boot block version: %x\n",
4716 (int)status_rid.mode,
4717 (int)status_rid.normalizedSignalStrength,
4718 (int)status_rid.signalQuality,
4719 (int)status_rid.SSIDlen,
4722 (int)status_rid.channel,
4723 (int)status_rid.currentXmitRate/2,
4731 (int)cap_rid.softVer,
4732 (int)cap_rid.softSubVer,
4733 (int)cap_rid.bootBlockVer );
4734 data->readlen = strlen( data->rbuffer );
4738 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4739 static int proc_statsdelta_open( struct inode *inode,
4740 struct file *file ) {
4741 if (file->f_mode&FMODE_WRITE) {
4742 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4744 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4747 static int proc_stats_open( struct inode *inode, struct file *file ) {
4748 return proc_stats_rid_open(inode, file, RID_STATS);
4751 static int proc_stats_rid_open( struct inode *inode,
4754 struct proc_data *data;
4755 struct proc_dir_entry *dp = PDE(inode);
4756 struct net_device *dev = dp->data;
4757 struct airo_info *apriv = dev->priv;
4760 u32 *vals = stats.vals;
4762 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4764 data = (struct proc_data *)file->private_data;
4765 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4766 kfree (file->private_data);
4770 readStatsRid(apriv, &stats, rid, 1);
4773 for(i=0; statsLabels[i]!=(char *)-1 &&
4774 i*4<stats.len; i++){
4775 if (!statsLabels[i]) continue;
4776 if (j+strlen(statsLabels[i])+16>4096) {
4777 airo_print_warn(apriv->dev->name,
4778 "Potentially disasterous buffer overflow averted!");
4781 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4783 if (i*4>=stats.len){
4784 airo_print_warn(apriv->dev->name, "Got a short rid");
4790 static int get_dec_u16( char *buffer, int *start, int limit ) {
4793 for( value = 0; buffer[*start] >= '0' &&
4794 buffer[*start] <= '9' &&
4795 *start < limit; (*start)++ ) {
4798 value += buffer[*start] - '0';
4800 if ( !valid ) return -1;
4804 static int airo_config_commit(struct net_device *dev,
4805 struct iw_request_info *info, void *zwrq,
4808 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4809 struct proc_data *data = file->private_data;
4810 struct proc_dir_entry *dp = PDE(inode);
4811 struct net_device *dev = dp->data;
4812 struct airo_info *ai = dev->priv;
4815 if ( !data->writelen ) return;
4817 readConfigRid(ai, 1);
4818 set_bit (FLAG_COMMIT, &ai->flags);
4820 line = data->wbuffer;
4822 /*** Mode processing */
4823 if ( !strncmp( line, "Mode: ", 6 ) ) {
4825 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4826 set_bit (FLAG_RESET, &ai->flags);
4827 ai->config.rmode &= 0xfe00;
4828 clear_bit (FLAG_802_11, &ai->flags);
4829 ai->config.opmode &= 0xFF00;
4830 ai->config.scanMode = SCANMODE_ACTIVE;
4831 if ( line[0] == 'a' ) {
4832 ai->config.opmode |= 0;
4834 ai->config.opmode |= 1;
4835 if ( line[0] == 'r' ) {
4836 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4837 ai->config.scanMode = SCANMODE_PASSIVE;
4838 set_bit (FLAG_802_11, &ai->flags);
4839 } else if ( line[0] == 'y' ) {
4840 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4841 ai->config.scanMode = SCANMODE_PASSIVE;
4842 set_bit (FLAG_802_11, &ai->flags);
4843 } else if ( line[0] == 'l' )
4844 ai->config.rmode |= RXMODE_LANMON;
4846 set_bit (FLAG_COMMIT, &ai->flags);
4849 /*** Radio status */
4850 else if (!strncmp(line,"Radio: ", 7)) {
4852 if (!strncmp(line,"off",3)) {
4853 set_bit (FLAG_RADIO_OFF, &ai->flags);
4855 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4858 /*** NodeName processing */
4859 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4863 memset( ai->config.nodeName, 0, 16 );
4864 /* Do the name, assume a space between the mode and node name */
4865 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4866 ai->config.nodeName[j] = line[j];
4868 set_bit (FLAG_COMMIT, &ai->flags);
4871 /*** PowerMode processing */
4872 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4874 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4875 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4876 set_bit (FLAG_COMMIT, &ai->flags);
4877 } else if ( !strncmp( line, "PSP", 3 ) ) {
4878 ai->config.powerSaveMode = POWERSAVE_PSP;
4879 set_bit (FLAG_COMMIT, &ai->flags);
4881 ai->config.powerSaveMode = POWERSAVE_CAM;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4884 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4885 int v, i = 0, k = 0; /* i is index into line,
4886 k is index to rates */
4889 while((v = get_dec_u16(line, &i, 3))!=-1) {
4890 ai->config.rates[k++] = (u8)v;
4894 set_bit (FLAG_COMMIT, &ai->flags);
4895 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4898 v = get_dec_u16(line, &i, i+3);
4900 ai->config.channelSet = (u16)v;
4901 set_bit (FLAG_COMMIT, &ai->flags);
4903 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4906 v = get_dec_u16(line, &i, i+3);
4908 ai->config.txPower = (u16)v;
4909 set_bit (FLAG_COMMIT, &ai->flags);
4911 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4915 ai->config.authType = (u16)AUTH_SHAREDKEY;
4918 ai->config.authType = (u16)AUTH_ENCRYPT;
4921 ai->config.authType = (u16)AUTH_OPEN;
4924 set_bit (FLAG_COMMIT, &ai->flags);
4925 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4929 v = get_dec_u16(line, &i, 3);
4930 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4931 ai->config.longRetryLimit = (u16)v;
4932 set_bit (FLAG_COMMIT, &ai->flags);
4933 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4937 v = get_dec_u16(line, &i, 3);
4938 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4939 ai->config.shortRetryLimit = (u16)v;
4940 set_bit (FLAG_COMMIT, &ai->flags);
4941 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4945 v = get_dec_u16(line, &i, 4);
4946 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4947 ai->config.rtsThres = (u16)v;
4948 set_bit (FLAG_COMMIT, &ai->flags);
4949 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4953 v = get_dec_u16(line, &i, 5);
4955 ai->config.txLifetime = (u16)v;
4956 set_bit (FLAG_COMMIT, &ai->flags);
4957 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4961 v = get_dec_u16(line, &i, 5);
4963 ai->config.rxLifetime = (u16)v;
4964 set_bit (FLAG_COMMIT, &ai->flags);
4965 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4966 ai->config.txDiversity =
4967 (line[13]=='l') ? 1 :
4968 ((line[13]=='r')? 2: 3);
4969 set_bit (FLAG_COMMIT, &ai->flags);
4970 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4971 ai->config.rxDiversity =
4972 (line[13]=='l') ? 1 :
4973 ((line[13]=='r')? 2: 3);
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4979 v = get_dec_u16(line, &i, 4);
4980 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4981 v = v & 0xfffe; /* Make sure its even */
4982 ai->config.fragThresh = (u16)v;
4983 set_bit (FLAG_COMMIT, &ai->flags);
4984 } else if (!strncmp(line, "Modulation: ", 12)) {
4987 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4990 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4992 } else if (!strncmp(line, "Preamble: ", 10)) {
4995 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4996 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4997 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4998 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5001 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5003 while( line[0] && line[0] != '\n' ) line++;
5004 if ( line[0] ) line++;
5006 airo_config_commit(dev, NULL, NULL, NULL);
5009 static char *get_rmode(u16 mode) {
5011 case RXMODE_RFMON: return "rfmon";
5012 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5013 case RXMODE_LANMON: return "lanmon";
5018 static int proc_config_open( struct inode *inode, struct file *file ) {
5019 struct proc_data *data;
5020 struct proc_dir_entry *dp = PDE(inode);
5021 struct net_device *dev = dp->data;
5022 struct airo_info *ai = dev->priv;
5025 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5027 data = (struct proc_data *)file->private_data;
5028 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5029 kfree (file->private_data);
5032 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5033 kfree (data->rbuffer);
5034 kfree (file->private_data);
5037 data->maxwritelen = 2048;
5038 data->on_close = proc_config_on_close;
5040 readConfigRid(ai, 1);
5042 i = sprintf( data->rbuffer,
5047 "DataRates: %d %d %d %d %d %d %d %d\n"
5050 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5051 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5052 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5053 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5054 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5055 ai->config.nodeName,
5056 ai->config.powerSaveMode == 0 ? "CAM" :
5057 ai->config.powerSaveMode == 1 ? "PSP" :
5058 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5059 (int)ai->config.rates[0],
5060 (int)ai->config.rates[1],
5061 (int)ai->config.rates[2],
5062 (int)ai->config.rates[3],
5063 (int)ai->config.rates[4],
5064 (int)ai->config.rates[5],
5065 (int)ai->config.rates[6],
5066 (int)ai->config.rates[7],
5067 (int)ai->config.channelSet,
5068 (int)ai->config.txPower
5070 sprintf( data->rbuffer + i,
5071 "LongRetryLimit: %d\n"
5072 "ShortRetryLimit: %d\n"
5073 "RTSThreshold: %d\n"
5074 "TXMSDULifetime: %d\n"
5075 "RXMSDULifetime: %d\n"
5078 "FragThreshold: %d\n"
5082 (int)ai->config.longRetryLimit,
5083 (int)ai->config.shortRetryLimit,
5084 (int)ai->config.rtsThres,
5085 (int)ai->config.txLifetime,
5086 (int)ai->config.rxLifetime,
5087 ai->config.txDiversity == 1 ? "left" :
5088 ai->config.txDiversity == 2 ? "right" : "both",
5089 ai->config.rxDiversity == 1 ? "left" :
5090 ai->config.rxDiversity == 2 ? "right" : "both",
5091 (int)ai->config.fragThresh,
5092 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5093 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5094 ai->config.modulation == 0 ? "default" :
5095 ai->config.modulation == MOD_CCK ? "cck" :
5096 ai->config.modulation == MOD_MOK ? "mok" : "error",
5097 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5098 ai->config.preamble == PREAMBLE_LONG ? "long" :
5099 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5101 data->readlen = strlen( data->rbuffer );
5105 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5106 struct proc_data *data = (struct proc_data *)file->private_data;
5107 struct proc_dir_entry *dp = PDE(inode);
5108 struct net_device *dev = dp->data;
5109 struct airo_info *ai = dev->priv;
5115 if ( !data->writelen ) return;
5117 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5119 for( i = 0; i < 3; i++ ) {
5121 for( j = 0; j+offset < data->writelen && j < 32 &&
5122 data->wbuffer[offset+j] != '\n'; j++ ) {
5123 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5125 if ( j == 0 ) break;
5126 SSID_rid.ssids[i].len = j;
5128 while( data->wbuffer[offset] != '\n' &&
5129 offset < data->writelen ) offset++;
5133 SSID_rid.len = sizeof(SSID_rid);
5135 writeSsidRid(ai, &SSID_rid, 1);
5136 enable_MAC(ai, &rsp, 1);
5139 static inline u8 hexVal(char c) {
5140 if (c>='0' && c<='9') return c -= '0';
5141 if (c>='a' && c<='f') return c -= 'a'-10;
5142 if (c>='A' && c<='F') return c -= 'A'-10;
5146 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5147 struct proc_data *data = (struct proc_data *)file->private_data;
5148 struct proc_dir_entry *dp = PDE(inode);
5149 struct net_device *dev = dp->data;
5150 struct airo_info *ai = dev->priv;
5151 APListRid APList_rid;
5155 if ( !data->writelen ) return;
5157 memset( &APList_rid, 0, sizeof(APList_rid) );
5158 APList_rid.len = sizeof(APList_rid);
5160 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5162 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5165 APList_rid.ap[i][j/3]=
5166 hexVal(data->wbuffer[j+i*6*3])<<4;
5169 APList_rid.ap[i][j/3]|=
5170 hexVal(data->wbuffer[j+i*6*3]);
5176 writeAPListRid(ai, &APList_rid, 1);
5177 enable_MAC(ai, &rsp, 1);
5180 /* This function wraps PC4500_writerid with a MAC disable */
5181 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5182 int len, int dummy ) {
5187 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5188 enable_MAC(ai, &rsp, 1);
5192 /* Returns the length of the key at the index. If index == 0xffff
5193 * the index of the transmit key is returned. If the key doesn't exist,
5194 * -1 will be returned.
5196 static int get_wep_key(struct airo_info *ai, u16 index) {
5201 rc = readWepKeyRid(ai, &wkr, 1, 1);
5202 if (rc == SUCCESS) do {
5203 lastindex = wkr.kindex;
5204 if (wkr.kindex == index) {
5205 if (index == 0xffff) {
5210 readWepKeyRid(ai, &wkr, 0, 1);
5211 } while(lastindex != wkr.kindex);
5215 static int set_wep_key(struct airo_info *ai, u16 index,
5216 const char *key, u16 keylen, int perm, int lock ) {
5217 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5221 memset(&wkr, 0, sizeof(wkr));
5223 // We are selecting which key to use
5224 wkr.len = sizeof(wkr);
5225 wkr.kindex = 0xffff;
5226 wkr.mac[0] = (char)index;
5227 if (perm) ai->defindex = (char)index;
5229 // We are actually setting the key
5230 wkr.len = sizeof(wkr);
5233 memcpy( wkr.key, key, keylen );
5234 memcpy( wkr.mac, macaddr, ETH_ALEN );
5237 if (perm) disable_MAC(ai, lock);
5238 writeWepKeyRid(ai, &wkr, perm, lock);
5239 if (perm) enable_MAC(ai, &rsp, lock);
5243 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5244 struct proc_data *data;
5245 struct proc_dir_entry *dp = PDE(inode);
5246 struct net_device *dev = dp->data;
5247 struct airo_info *ai = dev->priv;
5253 memset(key, 0, sizeof(key));
5255 data = (struct proc_data *)file->private_data;
5256 if ( !data->writelen ) return;
5258 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5259 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5260 index = data->wbuffer[0] - '0';
5261 if (data->wbuffer[1] == '\n') {
5262 set_wep_key(ai, index, NULL, 0, 1, 1);
5267 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5271 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5274 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5277 key[i/3] |= hexVal(data->wbuffer[i+j]);
5281 set_wep_key(ai, index, key, i/3, 1, 1);
5284 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5285 struct proc_data *data;
5286 struct proc_dir_entry *dp = PDE(inode);
5287 struct net_device *dev = dp->data;
5288 struct airo_info *ai = dev->priv;
5295 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5297 memset(&wkr, 0, sizeof(wkr));
5298 data = (struct proc_data *)file->private_data;
5299 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5300 kfree (file->private_data);
5304 data->maxwritelen = 80;
5305 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5306 kfree (data->rbuffer);
5307 kfree (file->private_data);
5310 data->on_close = proc_wepkey_on_close;
5312 ptr = data->rbuffer;
5313 strcpy(ptr, "No wep keys\n");
5314 rc = readWepKeyRid(ai, &wkr, 1, 1);
5315 if (rc == SUCCESS) do {
5316 lastindex = wkr.kindex;
5317 if (wkr.kindex == 0xffff) {
5318 j += sprintf(ptr+j, "Tx key = %d\n",
5321 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5322 (int)wkr.kindex, (int)wkr.klen);
5324 readWepKeyRid(ai, &wkr, 0, 1);
5325 } while((lastindex != wkr.kindex) && (j < 180-30));
5327 data->readlen = strlen( data->rbuffer );
5331 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5332 struct proc_data *data;
5333 struct proc_dir_entry *dp = PDE(inode);
5334 struct net_device *dev = dp->data;
5335 struct airo_info *ai = dev->priv;
5340 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5342 data = (struct proc_data *)file->private_data;
5343 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5344 kfree (file->private_data);
5348 data->maxwritelen = 33*3;
5349 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5350 kfree (data->rbuffer);
5351 kfree (file->private_data);
5354 data->on_close = proc_SSID_on_close;
5356 readSsidRid(ai, &SSID_rid);
5357 ptr = data->rbuffer;
5358 for( i = 0; i < 3; i++ ) {
5360 if ( !SSID_rid.ssids[i].len ) break;
5361 for( j = 0; j < 32 &&
5362 j < SSID_rid.ssids[i].len &&
5363 SSID_rid.ssids[i].ssid[j]; j++ ) {
5364 *ptr++ = SSID_rid.ssids[i].ssid[j];
5369 data->readlen = strlen( data->rbuffer );
5373 static int proc_APList_open( struct inode *inode, struct file *file ) {
5374 struct proc_data *data;
5375 struct proc_dir_entry *dp = PDE(inode);
5376 struct net_device *dev = dp->data;
5377 struct airo_info *ai = dev->priv;
5380 APListRid APList_rid;
5382 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5384 data = (struct proc_data *)file->private_data;
5385 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5386 kfree (file->private_data);
5390 data->maxwritelen = 4*6*3;
5391 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5392 kfree (data->rbuffer);
5393 kfree (file->private_data);
5396 data->on_close = proc_APList_on_close;
5398 readAPListRid(ai, &APList_rid);
5399 ptr = data->rbuffer;
5400 for( i = 0; i < 4; i++ ) {
5401 // We end when we find a zero MAC
5402 if ( !*(int*)APList_rid.ap[i] &&
5403 !*(int*)&APList_rid.ap[i][2]) break;
5404 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5405 (int)APList_rid.ap[i][0],
5406 (int)APList_rid.ap[i][1],
5407 (int)APList_rid.ap[i][2],
5408 (int)APList_rid.ap[i][3],
5409 (int)APList_rid.ap[i][4],
5410 (int)APList_rid.ap[i][5]);
5412 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5415 data->readlen = strlen( data->rbuffer );
5419 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5420 struct proc_data *data;
5421 struct proc_dir_entry *dp = PDE(inode);
5422 struct net_device *dev = dp->data;
5423 struct airo_info *ai = dev->priv;
5425 BSSListRid BSSList_rid;
5427 /* If doLoseSync is not 1, we won't do a Lose Sync */
5428 int doLoseSync = -1;
5430 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5432 data = (struct proc_data *)file->private_data;
5433 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5434 kfree (file->private_data);
5438 data->maxwritelen = 0;
5439 data->wbuffer = NULL;
5440 data->on_close = NULL;
5442 if (file->f_mode & FMODE_WRITE) {
5443 if (!(file->f_mode & FMODE_READ)) {
5447 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5448 memset(&cmd, 0, sizeof(cmd));
5449 cmd.cmd=CMD_LISTBSS;
5450 if (down_interruptible(&ai->sem))
5451 return -ERESTARTSYS;
5452 issuecommand(ai, &cmd, &rsp);
5459 ptr = data->rbuffer;
5460 /* There is a race condition here if there are concurrent opens.
5461 Since it is a rare condition, we'll just live with it, otherwise
5462 we have to add a spin lock... */
5463 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5464 while(rc == 0 && BSSList_rid.index != 0xffff) {
5465 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5466 (int)BSSList_rid.bssid[0],
5467 (int)BSSList_rid.bssid[1],
5468 (int)BSSList_rid.bssid[2],
5469 (int)BSSList_rid.bssid[3],
5470 (int)BSSList_rid.bssid[4],
5471 (int)BSSList_rid.bssid[5],
5472 (int)BSSList_rid.ssidLen,
5474 (int)BSSList_rid.dBm);
5475 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5476 (int)BSSList_rid.dsChannel,
5477 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5478 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5479 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5480 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5481 rc = readBSSListRid(ai, 0, &BSSList_rid);
5484 data->readlen = strlen( data->rbuffer );
5488 static int proc_close( struct inode *inode, struct file *file )
5490 struct proc_data *data = file->private_data;
5492 if (data->on_close != NULL)
5493 data->on_close(inode, file);
5494 kfree(data->rbuffer);
5495 kfree(data->wbuffer);
5500 static struct net_device_list {
5501 struct net_device *dev;
5502 struct net_device_list *next;
5505 /* Since the card doesn't automatically switch to the right WEP mode,
5506 we will make it do it. If the card isn't associated, every secs we
5507 will switch WEP modes to see if that will help. If the card is
5508 associated we will check every minute to see if anything has
5510 static void timer_func( struct net_device *dev ) {
5511 struct airo_info *apriv = dev->priv;
5514 /* We don't have a link so try changing the authtype */
5515 readConfigRid(apriv, 0);
5516 disable_MAC(apriv, 0);
5517 switch(apriv->config.authType) {
5519 /* So drop to OPEN */
5520 apriv->config.authType = AUTH_OPEN;
5522 case AUTH_SHAREDKEY:
5523 if (apriv->keyindex < auto_wep) {
5524 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5525 apriv->config.authType = AUTH_SHAREDKEY;
5528 /* Drop to ENCRYPT */
5529 apriv->keyindex = 0;
5530 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5531 apriv->config.authType = AUTH_ENCRYPT;
5534 default: /* We'll escalate to SHAREDKEY */
5535 apriv->config.authType = AUTH_SHAREDKEY;
5537 set_bit (FLAG_COMMIT, &apriv->flags);
5538 writeConfigRid(apriv, 0);
5539 enable_MAC(apriv, &rsp, 0);
5542 /* Schedule check to see if the change worked */
5543 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5544 apriv->expires = RUN_AT(HZ*3);
5547 static int add_airo_dev( struct net_device *dev ) {
5548 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5553 node->next = airo_devices;
5554 airo_devices = node;
5559 static void del_airo_dev( struct net_device *dev ) {
5560 struct net_device_list **p = &airo_devices;
5561 while( *p && ( (*p)->dev != dev ) )
5563 if ( *p && (*p)->dev == dev )
5568 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5569 const struct pci_device_id *pent)
5571 struct net_device *dev;
5573 if (pci_enable_device(pdev))
5575 pci_set_master(pdev);
5577 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5578 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5580 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5584 pci_set_drvdata(pdev, dev);
5588 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5592 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5594 struct net_device *dev = pci_get_drvdata(pdev);
5595 struct airo_info *ai = dev->priv;
5599 if ((ai->APList == NULL) &&
5600 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5602 if ((ai->SSID == NULL) &&
5603 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5605 readAPListRid(ai, ai->APList);
5606 readSsidRid(ai, ai->SSID);
5607 memset(&cmd, 0, sizeof(cmd));
5608 /* the lock will be released at the end of the resume callback */
5609 if (down_interruptible(&ai->sem))
5612 netif_device_detach(dev);
5615 issuecommand(ai, &cmd, &rsp);
5617 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5618 pci_save_state(pdev);
5619 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5622 static int airo_pci_resume(struct pci_dev *pdev)
5624 struct net_device *dev = pci_get_drvdata(pdev);
5625 struct airo_info *ai = dev->priv;
5627 pci_power_t prev_state = pdev->current_state;
5629 pci_set_power_state(pdev, PCI_D0);
5630 pci_restore_state(pdev);
5631 pci_enable_wake(pdev, PCI_D0, 0);
5633 if (prev_state != PCI_D1) {
5635 mpi_init_descriptors(ai);
5636 setup_card(ai, dev->dev_addr, 0);
5637 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5638 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5640 OUT4500(ai, EVACK, EV_AWAKEN);
5641 OUT4500(ai, EVACK, EV_AWAKEN);
5645 set_bit (FLAG_COMMIT, &ai->flags);
5649 writeSsidRid(ai, ai->SSID, 0);
5654 writeAPListRid(ai, ai->APList, 0);
5658 writeConfigRid(ai, 0);
5659 enable_MAC(ai, &rsp, 0);
5660 ai->power = PMSG_ON;
5661 netif_device_attach(dev);
5662 netif_wake_queue(dev);
5663 enable_interrupts(ai);
5669 static int __init airo_init_module( void )
5671 int i, have_isa_dev = 0;
5673 airo_entry = create_proc_entry("aironet",
5674 S_IFDIR | airo_perm,
5676 airo_entry->uid = proc_uid;
5677 airo_entry->gid = proc_gid;
5679 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5680 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5681 "io=0x%x", irq[i], io[i] );
5682 if (init_airo_card( irq[i], io[i], 0, NULL ))
5687 airo_print_info("", "Probing for PCI adapters");
5688 pci_register_driver(&airo_driver);
5689 airo_print_info("", "Finished probing for PCI adapters");
5692 /* Always exit with success, as we are a library module
5693 * as well as a driver module
5698 static void __exit airo_cleanup_module( void )
5700 while( airo_devices ) {
5701 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5702 stop_airo_card( airo_devices->dev, 1 );
5705 pci_unregister_driver(&airo_driver);
5707 remove_proc_entry("aironet", proc_root_driver);
5711 * Initial Wireless Extension code for Aironet driver by :
5712 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5713 * Conversion to new driver API by :
5714 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5715 * Javier also did a good amount of work here, adding some new extensions
5716 * and fixing my code. Let's just say that without him this code just
5717 * would not work at all... - Jean II
5720 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5725 return (0x100 - rssi_rid[rssi].rssidBm);
5728 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5735 for( i = 0; i < 256; i++ )
5736 if (rssi_rid[i].rssidBm == dbm)
5737 return rssi_rid[i].rssipct;
5743 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5747 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5748 if (memcmp(cap_rid->prodName, "350", 3))
5749 if (status_rid->signalQuality > 0x20)
5752 quality = 0x20 - status_rid->signalQuality;
5754 if (status_rid->signalQuality > 0xb0)
5756 else if (status_rid->signalQuality < 0x10)
5759 quality = 0xb0 - status_rid->signalQuality;
5764 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5765 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5767 /*------------------------------------------------------------------*/
5769 * Wireless Handler : get protocol name
5771 static int airo_get_name(struct net_device *dev,
5772 struct iw_request_info *info,
5776 strcpy(cwrq, "IEEE 802.11-DS");
5780 /*------------------------------------------------------------------*/
5782 * Wireless Handler : set frequency
5784 static int airo_set_freq(struct net_device *dev,
5785 struct iw_request_info *info,
5786 struct iw_freq *fwrq,
5789 struct airo_info *local = dev->priv;
5790 int rc = -EINPROGRESS; /* Call commit handler */
5792 /* If setting by frequency, convert to a channel */
5793 if((fwrq->e == 1) &&
5794 (fwrq->m >= (int) 2.412e8) &&
5795 (fwrq->m <= (int) 2.487e8)) {
5796 int f = fwrq->m / 100000;
5798 while((c < 14) && (f != frequency_list[c]))
5800 /* Hack to fall through... */
5804 /* Setting by channel number */
5805 if((fwrq->m > 1000) || (fwrq->e > 0))
5808 int channel = fwrq->m;
5809 /* We should do a better check than that,
5810 * based on the card capability !!! */
5811 if((channel < 1) || (channel > 14)) {
5812 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5816 readConfigRid(local, 1);
5817 /* Yes ! We can set it !!! */
5818 local->config.channelSet = (u16) channel;
5819 set_bit (FLAG_COMMIT, &local->flags);
5825 /*------------------------------------------------------------------*/
5827 * Wireless Handler : get frequency
5829 static int airo_get_freq(struct net_device *dev,
5830 struct iw_request_info *info,
5831 struct iw_freq *fwrq,
5834 struct airo_info *local = dev->priv;
5835 StatusRid status_rid; /* Card status info */
5838 readConfigRid(local, 1);
5839 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5840 status_rid.channel = local->config.channelSet;
5842 readStatusRid(local, &status_rid, 1);
5844 ch = (int)status_rid.channel;
5845 if((ch > 0) && (ch < 15)) {
5846 fwrq->m = frequency_list[ch - 1] * 100000;
5856 /*------------------------------------------------------------------*/
5858 * Wireless Handler : set ESSID
5860 static int airo_set_essid(struct net_device *dev,
5861 struct iw_request_info *info,
5862 struct iw_point *dwrq,
5865 struct airo_info *local = dev->priv;
5867 SsidRid SSID_rid; /* SSIDs */
5869 /* Reload the list of current SSID */
5870 readSsidRid(local, &SSID_rid);
5872 /* Check if we asked for `any' */
5873 if(dwrq->flags == 0) {
5874 /* Just send an empty SSID list */
5875 memset(&SSID_rid, 0, sizeof(SSID_rid));
5877 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5879 /* Check the size of the string */
5880 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5883 /* Check if index is valid */
5884 if((index < 0) || (index >= 4)) {
5889 memset(SSID_rid.ssids[index].ssid, 0,
5890 sizeof(SSID_rid.ssids[index].ssid));
5891 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5892 SSID_rid.ssids[index].len = dwrq->length - 1;
5894 SSID_rid.len = sizeof(SSID_rid);
5895 /* Write it to the card */
5896 disable_MAC(local, 1);
5897 writeSsidRid(local, &SSID_rid, 1);
5898 enable_MAC(local, &rsp, 1);
5903 /*------------------------------------------------------------------*/
5905 * Wireless Handler : get ESSID
5907 static int airo_get_essid(struct net_device *dev,
5908 struct iw_request_info *info,
5909 struct iw_point *dwrq,
5912 struct airo_info *local = dev->priv;
5913 StatusRid status_rid; /* Card status info */
5915 readStatusRid(local, &status_rid, 1);
5917 /* Note : if dwrq->flags != 0, we should
5918 * get the relevant SSID from the SSID list... */
5920 /* Get the current SSID */
5921 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5922 extra[status_rid.SSIDlen] = '\0';
5923 /* If none, we may want to get the one that was set */
5926 dwrq->length = status_rid.SSIDlen;
5927 dwrq->flags = 1; /* active */
5932 /*------------------------------------------------------------------*/
5934 * Wireless Handler : set AP address
5936 static int airo_set_wap(struct net_device *dev,
5937 struct iw_request_info *info,
5938 struct sockaddr *awrq,
5941 struct airo_info *local = dev->priv;
5944 APListRid APList_rid;
5945 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5946 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5948 if (awrq->sa_family != ARPHRD_ETHER)
5950 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5951 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5952 memset(&cmd, 0, sizeof(cmd));
5953 cmd.cmd=CMD_LOSE_SYNC;
5954 if (down_interruptible(&local->sem))
5955 return -ERESTARTSYS;
5956 issuecommand(local, &cmd, &rsp);
5959 memset(&APList_rid, 0, sizeof(APList_rid));
5960 APList_rid.len = sizeof(APList_rid);
5961 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5962 disable_MAC(local, 1);
5963 writeAPListRid(local, &APList_rid, 1);
5964 enable_MAC(local, &rsp, 1);
5969 /*------------------------------------------------------------------*/
5971 * Wireless Handler : get AP address
5973 static int airo_get_wap(struct net_device *dev,
5974 struct iw_request_info *info,
5975 struct sockaddr *awrq,
5978 struct airo_info *local = dev->priv;
5979 StatusRid status_rid; /* Card status info */
5981 readStatusRid(local, &status_rid, 1);
5983 /* Tentative. This seems to work, wow, I'm lucky !!! */
5984 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5985 awrq->sa_family = ARPHRD_ETHER;
5990 /*------------------------------------------------------------------*/
5992 * Wireless Handler : set Nickname
5994 static int airo_set_nick(struct net_device *dev,
5995 struct iw_request_info *info,
5996 struct iw_point *dwrq,
5999 struct airo_info *local = dev->priv;
6001 /* Check the size of the string */
6002 if(dwrq->length > 16 + 1) {
6005 readConfigRid(local, 1);
6006 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6007 memcpy(local->config.nodeName, extra, dwrq->length);
6008 set_bit (FLAG_COMMIT, &local->flags);
6010 return -EINPROGRESS; /* Call commit handler */
6013 /*------------------------------------------------------------------*/
6015 * Wireless Handler : get Nickname
6017 static int airo_get_nick(struct net_device *dev,
6018 struct iw_request_info *info,
6019 struct iw_point *dwrq,
6022 struct airo_info *local = dev->priv;
6024 readConfigRid(local, 1);
6025 strncpy(extra, local->config.nodeName, 16);
6027 dwrq->length = strlen(extra) + 1;
6032 /*------------------------------------------------------------------*/
6034 * Wireless Handler : set Bit-Rate
6036 static int airo_set_rate(struct net_device *dev,
6037 struct iw_request_info *info,
6038 struct iw_param *vwrq,
6041 struct airo_info *local = dev->priv;
6042 CapabilityRid cap_rid; /* Card capability info */
6046 /* First : get a valid bit rate value */
6047 readCapabilityRid(local, &cap_rid, 1);
6049 /* Which type of value ? */
6050 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6051 /* Setting by rate index */
6052 /* Find value in the magic rate table */
6053 brate = cap_rid.supportedRates[vwrq->value];
6055 /* Setting by frequency value */
6056 u8 normvalue = (u8) (vwrq->value/500000);
6058 /* Check if rate is valid */
6059 for(i = 0 ; i < 8 ; i++) {
6060 if(normvalue == cap_rid.supportedRates[i]) {
6066 /* -1 designed the max rate (mostly auto mode) */
6067 if(vwrq->value == -1) {
6068 /* Get the highest available rate */
6069 for(i = 0 ; i < 8 ; i++) {
6070 if(cap_rid.supportedRates[i] == 0)
6074 brate = cap_rid.supportedRates[i - 1];
6076 /* Check that it is valid */
6081 readConfigRid(local, 1);
6082 /* Now, check if we want a fixed or auto value */
6083 if(vwrq->fixed == 0) {
6084 /* Fill all the rates up to this max rate */
6085 memset(local->config.rates, 0, 8);
6086 for(i = 0 ; i < 8 ; i++) {
6087 local->config.rates[i] = cap_rid.supportedRates[i];
6088 if(local->config.rates[i] == brate)
6093 /* One rate, fixed */
6094 memset(local->config.rates, 0, 8);
6095 local->config.rates[0] = brate;
6097 set_bit (FLAG_COMMIT, &local->flags);
6099 return -EINPROGRESS; /* Call commit handler */
6102 /*------------------------------------------------------------------*/
6104 * Wireless Handler : get Bit-Rate
6106 static int airo_get_rate(struct net_device *dev,
6107 struct iw_request_info *info,
6108 struct iw_param *vwrq,
6111 struct airo_info *local = dev->priv;
6112 StatusRid status_rid; /* Card status info */
6114 readStatusRid(local, &status_rid, 1);
6116 vwrq->value = status_rid.currentXmitRate * 500000;
6117 /* If more than one rate, set auto */
6118 readConfigRid(local, 1);
6119 vwrq->fixed = (local->config.rates[1] == 0);
6124 /*------------------------------------------------------------------*/
6126 * Wireless Handler : set RTS threshold
6128 static int airo_set_rts(struct net_device *dev,
6129 struct iw_request_info *info,
6130 struct iw_param *vwrq,
6133 struct airo_info *local = dev->priv;
6134 int rthr = vwrq->value;
6137 rthr = AIRO_DEF_MTU;
6138 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6141 readConfigRid(local, 1);
6142 local->config.rtsThres = rthr;
6143 set_bit (FLAG_COMMIT, &local->flags);
6145 return -EINPROGRESS; /* Call commit handler */
6148 /*------------------------------------------------------------------*/
6150 * Wireless Handler : get RTS threshold
6152 static int airo_get_rts(struct net_device *dev,
6153 struct iw_request_info *info,
6154 struct iw_param *vwrq,
6157 struct airo_info *local = dev->priv;
6159 readConfigRid(local, 1);
6160 vwrq->value = local->config.rtsThres;
6161 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6167 /*------------------------------------------------------------------*/
6169 * Wireless Handler : set Fragmentation threshold
6171 static int airo_set_frag(struct net_device *dev,
6172 struct iw_request_info *info,
6173 struct iw_param *vwrq,
6176 struct airo_info *local = dev->priv;
6177 int fthr = vwrq->value;
6180 fthr = AIRO_DEF_MTU;
6181 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6184 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6185 readConfigRid(local, 1);
6186 local->config.fragThresh = (u16)fthr;
6187 set_bit (FLAG_COMMIT, &local->flags);
6189 return -EINPROGRESS; /* Call commit handler */
6192 /*------------------------------------------------------------------*/
6194 * Wireless Handler : get Fragmentation threshold
6196 static int airo_get_frag(struct net_device *dev,
6197 struct iw_request_info *info,
6198 struct iw_param *vwrq,
6201 struct airo_info *local = dev->priv;
6203 readConfigRid(local, 1);
6204 vwrq->value = local->config.fragThresh;
6205 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6211 /*------------------------------------------------------------------*/
6213 * Wireless Handler : set Mode of Operation
6215 static int airo_set_mode(struct net_device *dev,
6216 struct iw_request_info *info,
6220 struct airo_info *local = dev->priv;
6223 readConfigRid(local, 1);
6224 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6229 local->config.opmode &= 0xFF00;
6230 local->config.opmode |= MODE_STA_IBSS;
6231 local->config.rmode &= 0xfe00;
6232 local->config.scanMode = SCANMODE_ACTIVE;
6233 clear_bit (FLAG_802_11, &local->flags);
6236 local->config.opmode &= 0xFF00;
6237 local->config.opmode |= MODE_STA_ESS;
6238 local->config.rmode &= 0xfe00;
6239 local->config.scanMode = SCANMODE_ACTIVE;
6240 clear_bit (FLAG_802_11, &local->flags);
6242 case IW_MODE_MASTER:
6243 local->config.opmode &= 0xFF00;
6244 local->config.opmode |= MODE_AP;
6245 local->config.rmode &= 0xfe00;
6246 local->config.scanMode = SCANMODE_ACTIVE;
6247 clear_bit (FLAG_802_11, &local->flags);
6249 case IW_MODE_REPEAT:
6250 local->config.opmode &= 0xFF00;
6251 local->config.opmode |= MODE_AP_RPTR;
6252 local->config.rmode &= 0xfe00;
6253 local->config.scanMode = SCANMODE_ACTIVE;
6254 clear_bit (FLAG_802_11, &local->flags);
6256 case IW_MODE_MONITOR:
6257 local->config.opmode &= 0xFF00;
6258 local->config.opmode |= MODE_STA_ESS;
6259 local->config.rmode &= 0xfe00;
6260 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6261 local->config.scanMode = SCANMODE_PASSIVE;
6262 set_bit (FLAG_802_11, &local->flags);
6268 set_bit (FLAG_RESET, &local->flags);
6269 set_bit (FLAG_COMMIT, &local->flags);
6271 return -EINPROGRESS; /* Call commit handler */
6274 /*------------------------------------------------------------------*/
6276 * Wireless Handler : get Mode of Operation
6278 static int airo_get_mode(struct net_device *dev,
6279 struct iw_request_info *info,
6283 struct airo_info *local = dev->priv;
6285 readConfigRid(local, 1);
6286 /* If not managed, assume it's ad-hoc */
6287 switch (local->config.opmode & 0xFF) {
6289 *uwrq = IW_MODE_INFRA;
6292 *uwrq = IW_MODE_MASTER;
6295 *uwrq = IW_MODE_REPEAT;
6298 *uwrq = IW_MODE_ADHOC;
6304 /*------------------------------------------------------------------*/
6306 * Wireless Handler : set Encryption Key
6308 static int airo_set_encode(struct net_device *dev,
6309 struct iw_request_info *info,
6310 struct iw_point *dwrq,
6313 struct airo_info *local = dev->priv;
6314 CapabilityRid cap_rid; /* Card capability info */
6315 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6316 u16 currentAuthType = local->config.authType;
6318 /* Is WEP supported ? */
6319 readCapabilityRid(local, &cap_rid, 1);
6320 /* Older firmware doesn't support this...
6321 if(!(cap_rid.softCap & 2)) {
6324 readConfigRid(local, 1);
6326 /* Basic checking: do we have a key to set ?
6327 * Note : with the new API, it's impossible to get a NULL pointer.
6328 * Therefore, we need to check a key size == 0 instead.
6329 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6330 * when no key is present (only change flags), but older versions
6331 * don't do it. - Jean II */
6332 if (dwrq->length > 0) {
6334 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6335 int current_index = get_wep_key(local, 0xffff);
6336 /* Check the size of the key */
6337 if (dwrq->length > MAX_KEY_SIZE) {
6340 /* Check the index (none -> use current) */
6341 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6342 index = current_index;
6343 /* Set the length */
6344 if (dwrq->length > MIN_KEY_SIZE)
6345 key.len = MAX_KEY_SIZE;
6347 if (dwrq->length > 0)
6348 key.len = MIN_KEY_SIZE;
6350 /* Disable the key */
6352 /* Check if the key is not marked as invalid */
6353 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6355 memset(key.key, 0, MAX_KEY_SIZE);
6356 /* Copy the key in the driver */
6357 memcpy(key.key, extra, dwrq->length);
6358 /* Send the key to the card */
6359 set_wep_key(local, index, key.key, key.len, perm, 1);
6361 /* WE specify that if a valid key is set, encryption
6362 * should be enabled (user may turn it off later)
6363 * This is also how "iwconfig ethX key on" works */
6364 if((index == current_index) && (key.len > 0) &&
6365 (local->config.authType == AUTH_OPEN)) {
6366 local->config.authType = AUTH_ENCRYPT;
6369 /* Do we want to just set the transmit key index ? */
6370 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6371 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6372 set_wep_key(local, index, NULL, 0, perm, 1);
6374 /* Don't complain if only change the mode */
6375 if(!dwrq->flags & IW_ENCODE_MODE) {
6379 /* Read the flags */
6380 if(dwrq->flags & IW_ENCODE_DISABLED)
6381 local->config.authType = AUTH_OPEN; // disable encryption
6382 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6383 local->config.authType = AUTH_SHAREDKEY; // Only Both
6384 if(dwrq->flags & IW_ENCODE_OPEN)
6385 local->config.authType = AUTH_ENCRYPT; // Only Wep
6386 /* Commit the changes to flags if needed */
6387 if (local->config.authType != currentAuthType)
6388 set_bit (FLAG_COMMIT, &local->flags);
6389 return -EINPROGRESS; /* Call commit handler */
6392 /*------------------------------------------------------------------*/
6394 * Wireless Handler : get Encryption Key
6396 static int airo_get_encode(struct net_device *dev,
6397 struct iw_request_info *info,
6398 struct iw_point *dwrq,
6401 struct airo_info *local = dev->priv;
6402 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6403 CapabilityRid cap_rid; /* Card capability info */
6405 /* Is it supported ? */
6406 readCapabilityRid(local, &cap_rid, 1);
6407 if(!(cap_rid.softCap & 2)) {
6410 readConfigRid(local, 1);
6411 /* Check encryption mode */
6412 switch(local->config.authType) {
6414 dwrq->flags = IW_ENCODE_OPEN;
6416 case AUTH_SHAREDKEY:
6417 dwrq->flags = IW_ENCODE_RESTRICTED;
6421 dwrq->flags = IW_ENCODE_DISABLED;
6424 /* We can't return the key, so set the proper flag and return zero */
6425 dwrq->flags |= IW_ENCODE_NOKEY;
6426 memset(extra, 0, 16);
6428 /* Which key do we want ? -1 -> tx index */
6429 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6430 index = get_wep_key(local, 0xffff);
6431 dwrq->flags |= index + 1;
6432 /* Copy the key to the user buffer */
6433 dwrq->length = get_wep_key(local, index);
6434 if (dwrq->length > 16) {
6440 /*------------------------------------------------------------------*/
6442 * Wireless Handler : set extended Encryption parameters
6444 static int airo_set_encodeext(struct net_device *dev,
6445 struct iw_request_info *info,
6446 union iwreq_data *wrqu,
6449 struct airo_info *local = dev->priv;
6450 struct iw_point *encoding = &wrqu->encoding;
6451 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6452 CapabilityRid cap_rid; /* Card capability info */
6453 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6454 u16 currentAuthType = local->config.authType;
6455 int idx, key_len, alg = ext->alg, set_key = 1;
6458 /* Is WEP supported ? */
6459 readCapabilityRid(local, &cap_rid, 1);
6460 /* Older firmware doesn't support this...
6461 if(!(cap_rid.softCap & 2)) {
6464 readConfigRid(local, 1);
6466 /* Determine and validate the key index */
6467 idx = encoding->flags & IW_ENCODE_INDEX;
6469 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6473 idx = get_wep_key(local, 0xffff);
6475 if (encoding->flags & IW_ENCODE_DISABLED)
6476 alg = IW_ENCODE_ALG_NONE;
6478 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6479 /* Only set transmit key index here, actual
6480 * key is set below if needed.
6482 set_wep_key(local, idx, NULL, 0, perm, 1);
6483 set_key = ext->key_len > 0 ? 1 : 0;
6487 /* Set the requested key first */
6488 memset(key.key, 0, MAX_KEY_SIZE);
6490 case IW_ENCODE_ALG_NONE:
6493 case IW_ENCODE_ALG_WEP:
6494 if (ext->key_len > MIN_KEY_SIZE) {
6495 key.len = MAX_KEY_SIZE;
6496 } else if (ext->key_len > 0) {
6497 key.len = MIN_KEY_SIZE;
6501 key_len = min (ext->key_len, key.len);
6502 memcpy(key.key, ext->key, key_len);
6507 /* Send the key to the card */
6508 set_wep_key(local, idx, key.key, key.len, perm, 1);
6511 /* Read the flags */
6512 if(encoding->flags & IW_ENCODE_DISABLED)
6513 local->config.authType = AUTH_OPEN; // disable encryption
6514 if(encoding->flags & IW_ENCODE_RESTRICTED)
6515 local->config.authType = AUTH_SHAREDKEY; // Only Both
6516 if(encoding->flags & IW_ENCODE_OPEN)
6517 local->config.authType = AUTH_ENCRYPT; // Only Wep
6518 /* Commit the changes to flags if needed */
6519 if (local->config.authType != currentAuthType)
6520 set_bit (FLAG_COMMIT, &local->flags);
6522 return -EINPROGRESS;
6526 /*------------------------------------------------------------------*/
6528 * Wireless Handler : get extended Encryption parameters
6530 static int airo_get_encodeext(struct net_device *dev,
6531 struct iw_request_info *info,
6532 union iwreq_data *wrqu,
6535 struct airo_info *local = dev->priv;
6536 struct iw_point *encoding = &wrqu->encoding;
6537 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6538 CapabilityRid cap_rid; /* Card capability info */
6539 int idx, max_key_len;
6541 /* Is it supported ? */
6542 readCapabilityRid(local, &cap_rid, 1);
6543 if(!(cap_rid.softCap & 2)) {
6546 readConfigRid(local, 1);
6548 max_key_len = encoding->length - sizeof(*ext);
6549 if (max_key_len < 0)
6552 idx = encoding->flags & IW_ENCODE_INDEX;
6554 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6558 idx = get_wep_key(local, 0xffff);
6560 encoding->flags = idx + 1;
6561 memset(ext, 0, sizeof(*ext));
6563 /* Check encryption mode */
6564 switch(local->config.authType) {
6566 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6568 case AUTH_SHAREDKEY:
6569 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6573 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6576 /* We can't return the key, so set the proper flag and return zero */
6577 encoding->flags |= IW_ENCODE_NOKEY;
6578 memset(extra, 0, 16);
6580 /* Copy the key to the user buffer */
6581 ext->key_len = get_wep_key(local, idx);
6582 if (ext->key_len > 16) {
6590 /*------------------------------------------------------------------*/
6592 * Wireless Handler : set extended authentication parameters
6594 static int airo_set_auth(struct net_device *dev,
6595 struct iw_request_info *info,
6596 union iwreq_data *wrqu, char *extra)
6598 struct airo_info *local = dev->priv;
6599 struct iw_param *param = &wrqu->param;
6600 u16 currentAuthType = local->config.authType;
6602 switch (param->flags & IW_AUTH_INDEX) {
6603 case IW_AUTH_WPA_VERSION:
6604 case IW_AUTH_CIPHER_PAIRWISE:
6605 case IW_AUTH_CIPHER_GROUP:
6606 case IW_AUTH_KEY_MGMT:
6607 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6608 case IW_AUTH_PRIVACY_INVOKED:
6610 * airo does not use these parameters
6614 case IW_AUTH_DROP_UNENCRYPTED:
6616 /* Only change auth type if unencrypted */
6617 if (currentAuthType == AUTH_OPEN)
6618 local->config.authType = AUTH_ENCRYPT;
6620 local->config.authType = AUTH_OPEN;
6623 /* Commit the changes to flags if needed */
6624 if (local->config.authType != currentAuthType)
6625 set_bit (FLAG_COMMIT, &local->flags);
6628 case IW_AUTH_80211_AUTH_ALG: {
6629 /* FIXME: What about AUTH_OPEN? This API seems to
6630 * disallow setting our auth to AUTH_OPEN.
6632 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6633 local->config.authType = AUTH_SHAREDKEY;
6634 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6635 local->config.authType = AUTH_ENCRYPT;
6640 /* Commit the changes to flags if needed */
6641 if (local->config.authType != currentAuthType)
6642 set_bit (FLAG_COMMIT, &local->flags);
6645 case IW_AUTH_WPA_ENABLED:
6646 /* Silently accept disable of WPA */
6647 if (param->value > 0)
6654 return -EINPROGRESS;
6658 /*------------------------------------------------------------------*/
6660 * Wireless Handler : get extended authentication parameters
6662 static int airo_get_auth(struct net_device *dev,
6663 struct iw_request_info *info,
6664 union iwreq_data *wrqu, char *extra)
6666 struct airo_info *local = dev->priv;
6667 struct iw_param *param = &wrqu->param;
6668 u16 currentAuthType = local->config.authType;
6670 switch (param->flags & IW_AUTH_INDEX) {
6671 case IW_AUTH_DROP_UNENCRYPTED:
6672 switch (currentAuthType) {
6673 case AUTH_SHAREDKEY:
6683 case IW_AUTH_80211_AUTH_ALG:
6684 switch (currentAuthType) {
6685 case AUTH_SHAREDKEY:
6686 param->value = IW_AUTH_ALG_SHARED_KEY;
6690 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6695 case IW_AUTH_WPA_ENABLED:
6706 /*------------------------------------------------------------------*/
6708 * Wireless Handler : set Tx-Power
6710 static int airo_set_txpow(struct net_device *dev,
6711 struct iw_request_info *info,
6712 struct iw_param *vwrq,
6715 struct airo_info *local = dev->priv;
6716 CapabilityRid cap_rid; /* Card capability info */
6720 readCapabilityRid(local, &cap_rid, 1);
6722 if (vwrq->disabled) {
6723 set_bit (FLAG_RADIO_OFF, &local->flags);
6724 set_bit (FLAG_COMMIT, &local->flags);
6725 return -EINPROGRESS; /* Call commit handler */
6727 if (vwrq->flags != IW_TXPOW_MWATT) {
6730 clear_bit (FLAG_RADIO_OFF, &local->flags);
6731 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6732 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6733 readConfigRid(local, 1);
6734 local->config.txPower = vwrq->value;
6735 set_bit (FLAG_COMMIT, &local->flags);
6736 rc = -EINPROGRESS; /* Call commit handler */
6742 /*------------------------------------------------------------------*/
6744 * Wireless Handler : get Tx-Power
6746 static int airo_get_txpow(struct net_device *dev,
6747 struct iw_request_info *info,
6748 struct iw_param *vwrq,
6751 struct airo_info *local = dev->priv;
6753 readConfigRid(local, 1);
6754 vwrq->value = local->config.txPower;
6755 vwrq->fixed = 1; /* No power control */
6756 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6757 vwrq->flags = IW_TXPOW_MWATT;
6762 /*------------------------------------------------------------------*/
6764 * Wireless Handler : set Retry limits
6766 static int airo_set_retry(struct net_device *dev,
6767 struct iw_request_info *info,
6768 struct iw_param *vwrq,
6771 struct airo_info *local = dev->priv;
6774 if(vwrq->disabled) {
6777 readConfigRid(local, 1);
6778 if(vwrq->flags & IW_RETRY_LIMIT) {
6779 if(vwrq->flags & IW_RETRY_MAX)
6780 local->config.longRetryLimit = vwrq->value;
6781 else if (vwrq->flags & IW_RETRY_MIN)
6782 local->config.shortRetryLimit = vwrq->value;
6784 /* No modifier : set both */
6785 local->config.longRetryLimit = vwrq->value;
6786 local->config.shortRetryLimit = vwrq->value;
6788 set_bit (FLAG_COMMIT, &local->flags);
6789 rc = -EINPROGRESS; /* Call commit handler */
6791 if(vwrq->flags & IW_RETRY_LIFETIME) {
6792 local->config.txLifetime = vwrq->value / 1024;
6793 set_bit (FLAG_COMMIT, &local->flags);
6794 rc = -EINPROGRESS; /* Call commit handler */
6799 /*------------------------------------------------------------------*/
6801 * Wireless Handler : get Retry limits
6803 static int airo_get_retry(struct net_device *dev,
6804 struct iw_request_info *info,
6805 struct iw_param *vwrq,
6808 struct airo_info *local = dev->priv;
6810 vwrq->disabled = 0; /* Can't be disabled */
6812 readConfigRid(local, 1);
6813 /* Note : by default, display the min retry number */
6814 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6815 vwrq->flags = IW_RETRY_LIFETIME;
6816 vwrq->value = (int)local->config.txLifetime * 1024;
6817 } else if((vwrq->flags & IW_RETRY_MAX)) {
6818 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6819 vwrq->value = (int)local->config.longRetryLimit;
6821 vwrq->flags = IW_RETRY_LIMIT;
6822 vwrq->value = (int)local->config.shortRetryLimit;
6823 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6824 vwrq->flags |= IW_RETRY_MIN;
6830 /*------------------------------------------------------------------*/
6832 * Wireless Handler : get range info
6834 static int airo_get_range(struct net_device *dev,
6835 struct iw_request_info *info,
6836 struct iw_point *dwrq,
6839 struct airo_info *local = dev->priv;
6840 struct iw_range *range = (struct iw_range *) extra;
6841 CapabilityRid cap_rid; /* Card capability info */
6845 readCapabilityRid(local, &cap_rid, 1);
6847 dwrq->length = sizeof(struct iw_range);
6848 memset(range, 0, sizeof(*range));
6849 range->min_nwid = 0x0000;
6850 range->max_nwid = 0x0000;
6851 range->num_channels = 14;
6852 /* Should be based on cap_rid.country to give only
6853 * what the current card support */
6855 for(i = 0; i < 14; i++) {
6856 range->freq[k].i = i + 1; /* List index */
6857 range->freq[k].m = frequency_list[i] * 100000;
6858 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6860 range->num_frequency = k;
6862 range->sensitivity = 65535;
6864 /* Hum... Should put the right values there */
6866 range->max_qual.qual = 100; /* % */
6868 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6869 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6870 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6872 /* Experimental measurements - boundary 11/5.5 Mb/s */
6873 /* Note : with or without the (local->rssi), results
6874 * are somewhat different. - Jean II */
6876 range->avg_qual.qual = 50; /* % */
6877 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6879 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6880 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6882 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6884 for(i = 0 ; i < 8 ; i++) {
6885 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6886 if(range->bitrate[i] == 0)
6889 range->num_bitrates = i;
6891 /* Set an indication of the max TCP throughput
6892 * in bit/s that we can expect using this interface.
6893 * May be use for QoS stuff... Jean II */
6895 range->throughput = 5000 * 1000;
6897 range->throughput = 1500 * 1000;
6900 range->max_rts = AIRO_DEF_MTU;
6901 range->min_frag = 256;
6902 range->max_frag = AIRO_DEF_MTU;
6904 if(cap_rid.softCap & 2) {
6906 range->encoding_size[0] = 5;
6908 if (cap_rid.softCap & 0x100) {
6909 range->encoding_size[1] = 13;
6910 range->num_encoding_sizes = 2;
6912 range->num_encoding_sizes = 1;
6913 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6915 range->num_encoding_sizes = 0;
6916 range->max_encoding_tokens = 0;
6919 range->max_pmp = 5000000; /* 5 secs */
6921 range->max_pmt = 65535 * 1024; /* ??? */
6922 range->pmp_flags = IW_POWER_PERIOD;
6923 range->pmt_flags = IW_POWER_TIMEOUT;
6924 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6926 /* Transmit Power - values are in mW */
6927 for(i = 0 ; i < 8 ; i++) {
6928 range->txpower[i] = cap_rid.txPowerLevels[i];
6929 if(range->txpower[i] == 0)
6932 range->num_txpower = i;
6933 range->txpower_capa = IW_TXPOW_MWATT;
6934 range->we_version_source = 19;
6935 range->we_version_compiled = WIRELESS_EXT;
6936 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6937 range->retry_flags = IW_RETRY_LIMIT;
6938 range->r_time_flags = IW_RETRY_LIFETIME;
6939 range->min_retry = 1;
6940 range->max_retry = 65535;
6941 range->min_r_time = 1024;
6942 range->max_r_time = 65535 * 1024;
6944 /* Event capability (kernel + driver) */
6945 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6946 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6947 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6948 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6949 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6950 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6954 /*------------------------------------------------------------------*/
6956 * Wireless Handler : set Power Management
6958 static int airo_set_power(struct net_device *dev,
6959 struct iw_request_info *info,
6960 struct iw_param *vwrq,
6963 struct airo_info *local = dev->priv;
6965 readConfigRid(local, 1);
6966 if (vwrq->disabled) {
6967 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6970 local->config.powerSaveMode = POWERSAVE_CAM;
6971 local->config.rmode &= 0xFF00;
6972 local->config.rmode |= RXMODE_BC_MC_ADDR;
6973 set_bit (FLAG_COMMIT, &local->flags);
6974 return -EINPROGRESS; /* Call commit handler */
6976 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6977 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6978 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6979 set_bit (FLAG_COMMIT, &local->flags);
6980 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6981 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6982 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6983 set_bit (FLAG_COMMIT, &local->flags);
6985 switch (vwrq->flags & IW_POWER_MODE) {
6986 case IW_POWER_UNICAST_R:
6987 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6990 local->config.rmode &= 0xFF00;
6991 local->config.rmode |= RXMODE_ADDR;
6992 set_bit (FLAG_COMMIT, &local->flags);
6994 case IW_POWER_ALL_R:
6995 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6998 local->config.rmode &= 0xFF00;
6999 local->config.rmode |= RXMODE_BC_MC_ADDR;
7000 set_bit (FLAG_COMMIT, &local->flags);
7006 // Note : we may want to factor local->need_commit here
7007 // Note2 : may also want to factor RXMODE_RFMON test
7008 return -EINPROGRESS; /* Call commit handler */
7011 /*------------------------------------------------------------------*/
7013 * Wireless Handler : get Power Management
7015 static int airo_get_power(struct net_device *dev,
7016 struct iw_request_info *info,
7017 struct iw_param *vwrq,
7020 struct airo_info *local = dev->priv;
7023 readConfigRid(local, 1);
7024 mode = local->config.powerSaveMode;
7025 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7027 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7028 vwrq->value = (int)local->config.fastListenDelay * 1024;
7029 vwrq->flags = IW_POWER_TIMEOUT;
7031 vwrq->value = (int)local->config.fastListenInterval * 1024;
7032 vwrq->flags = IW_POWER_PERIOD;
7034 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7035 vwrq->flags |= IW_POWER_UNICAST_R;
7037 vwrq->flags |= IW_POWER_ALL_R;
7042 /*------------------------------------------------------------------*/
7044 * Wireless Handler : set Sensitivity
7046 static int airo_set_sens(struct net_device *dev,
7047 struct iw_request_info *info,
7048 struct iw_param *vwrq,
7051 struct airo_info *local = dev->priv;
7053 readConfigRid(local, 1);
7054 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7055 set_bit (FLAG_COMMIT, &local->flags);
7057 return -EINPROGRESS; /* Call commit handler */
7060 /*------------------------------------------------------------------*/
7062 * Wireless Handler : get Sensitivity
7064 static int airo_get_sens(struct net_device *dev,
7065 struct iw_request_info *info,
7066 struct iw_param *vwrq,
7069 struct airo_info *local = dev->priv;
7071 readConfigRid(local, 1);
7072 vwrq->value = local->config.rssiThreshold;
7073 vwrq->disabled = (vwrq->value == 0);
7079 /*------------------------------------------------------------------*/
7081 * Wireless Handler : get AP List
7082 * Note : this is deprecated in favor of IWSCAN
7084 static int airo_get_aplist(struct net_device *dev,
7085 struct iw_request_info *info,
7086 struct iw_point *dwrq,
7089 struct airo_info *local = dev->priv;
7090 struct sockaddr *address = (struct sockaddr *) extra;
7091 struct iw_quality qual[IW_MAX_AP];
7094 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7096 for (i = 0; i < IW_MAX_AP; i++) {
7097 if (readBSSListRid(local, loseSync, &BSSList))
7100 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7101 address[i].sa_family = ARPHRD_ETHER;
7103 qual[i].level = 0x100 - BSSList.dBm;
7104 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7105 qual[i].updated = IW_QUAL_QUAL_UPDATED
7106 | IW_QUAL_LEVEL_UPDATED
7109 qual[i].level = (BSSList.dBm + 321) / 2;
7111 qual[i].updated = IW_QUAL_QUAL_INVALID
7112 | IW_QUAL_LEVEL_UPDATED
7115 qual[i].noise = local->wstats.qual.noise;
7116 if (BSSList.index == 0xffff)
7120 StatusRid status_rid; /* Card status info */
7121 readStatusRid(local, &status_rid, 1);
7123 i < min(IW_MAX_AP, 4) &&
7124 (status_rid.bssid[i][0]
7125 & status_rid.bssid[i][1]
7126 & status_rid.bssid[i][2]
7127 & status_rid.bssid[i][3]
7128 & status_rid.bssid[i][4]
7129 & status_rid.bssid[i][5])!=0xff &&
7130 (status_rid.bssid[i][0]
7131 | status_rid.bssid[i][1]
7132 | status_rid.bssid[i][2]
7133 | status_rid.bssid[i][3]
7134 | status_rid.bssid[i][4]
7135 | status_rid.bssid[i][5]);
7137 memcpy(address[i].sa_data,
7138 status_rid.bssid[i], ETH_ALEN);
7139 address[i].sa_family = ARPHRD_ETHER;
7142 dwrq->flags = 1; /* Should be define'd */
7143 memcpy(extra + sizeof(struct sockaddr)*i,
7144 &qual, sizeof(struct iw_quality)*i);
7151 /*------------------------------------------------------------------*/
7153 * Wireless Handler : Initiate Scan
7155 static int airo_set_scan(struct net_device *dev,
7156 struct iw_request_info *info,
7157 struct iw_param *vwrq,
7160 struct airo_info *ai = dev->priv;
7165 /* Note : you may have realised that, as this is a SET operation,
7166 * this is privileged and therefore a normal user can't
7168 * This is not an error, while the device perform scanning,
7169 * traffic doesn't flow, so it's a perfect DoS...
7171 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7173 if (down_interruptible(&ai->sem))
7174 return -ERESTARTSYS;
7176 /* If there's already a scan in progress, don't
7177 * trigger another one. */
7178 if (ai->scan_timeout > 0)
7181 /* Initiate a scan command */
7182 ai->scan_timeout = RUN_AT(3*HZ);
7183 memset(&cmd, 0, sizeof(cmd));
7184 cmd.cmd=CMD_LISTBSS;
7185 issuecommand(ai, &cmd, &rsp);
7191 wake_up_interruptible(&ai->thr_wait);
7195 /*------------------------------------------------------------------*/
7197 * Translate scan data returned from the card to a card independent
7198 * format that the Wireless Tools will understand - Jean II
7200 static inline char *airo_translate_scan(struct net_device *dev,
7205 struct airo_info *ai = dev->priv;
7206 struct iw_event iwe; /* Temporary buffer */
7208 char * current_val; /* For rates */
7212 /* First entry *MUST* be the AP MAC address */
7213 iwe.cmd = SIOCGIWAP;
7214 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7215 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7216 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7218 /* Other entries will be displayed in the order we give them */
7221 iwe.u.data.length = bss->ssidLen;
7222 if(iwe.u.data.length > 32)
7223 iwe.u.data.length = 32;
7224 iwe.cmd = SIOCGIWESSID;
7225 iwe.u.data.flags = 1;
7226 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7229 iwe.cmd = SIOCGIWMODE;
7230 capabilities = le16_to_cpu(bss->cap);
7231 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7232 if(capabilities & CAP_ESS)
7233 iwe.u.mode = IW_MODE_MASTER;
7235 iwe.u.mode = IW_MODE_ADHOC;
7236 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7240 iwe.cmd = SIOCGIWFREQ;
7241 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7242 /* iwe.u.freq.m containt the channel (starting 1), our
7243 * frequency_list array start at index 0...
7245 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7247 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7249 /* Add quality statistics */
7252 iwe.u.qual.level = 0x100 - bss->dBm;
7253 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7254 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7255 | IW_QUAL_LEVEL_UPDATED
7258 iwe.u.qual.level = (bss->dBm + 321) / 2;
7259 iwe.u.qual.qual = 0;
7260 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7261 | IW_QUAL_LEVEL_UPDATED
7264 iwe.u.qual.noise = ai->wstats.qual.noise;
7265 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7267 /* Add encryption capability */
7268 iwe.cmd = SIOCGIWENCODE;
7269 if(capabilities & CAP_PRIVACY)
7270 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7272 iwe.u.data.flags = IW_ENCODE_DISABLED;
7273 iwe.u.data.length = 0;
7274 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7276 /* Rate : stuffing multiple values in a single event require a bit
7277 * more of magic - Jean II */
7278 current_val = current_ev + IW_EV_LCP_LEN;
7280 iwe.cmd = SIOCGIWRATE;
7281 /* Those two flags are ignored... */
7282 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7284 for(i = 0 ; i < 8 ; i++) {
7285 /* NULL terminated */
7286 if(bss->rates[i] == 0)
7288 /* Bit rate given in 500 kb/s units (+ 0x80) */
7289 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7290 /* Add new value to event */
7291 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7293 /* Check if we added any event */
7294 if((current_val - current_ev) > IW_EV_LCP_LEN)
7295 current_ev = current_val;
7297 /* Beacon interval */
7298 buf = kmalloc(30, GFP_KERNEL);
7300 iwe.cmd = IWEVCUSTOM;
7301 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7302 iwe.u.data.length = strlen(buf);
7303 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7307 /* Put WPA/RSN Information Elements into the event stream */
7308 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7309 unsigned int num_null_ies = 0;
7310 u16 length = sizeof (bss->extra.iep);
7311 struct ieee80211_info_element *info_element =
7312 (struct ieee80211_info_element *) &bss->extra.iep;
7314 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7315 if (sizeof(*info_element) + info_element->len > length) {
7316 /* Invalid element, don't continue parsing IE */
7320 switch (info_element->id) {
7321 case MFIE_TYPE_SSID:
7322 /* Two zero-length SSID elements
7323 * mean we're done parsing elements */
7324 if (!info_element->len)
7328 case MFIE_TYPE_GENERIC:
7329 if (info_element->len >= 4 &&
7330 info_element->data[0] == 0x00 &&
7331 info_element->data[1] == 0x50 &&
7332 info_element->data[2] == 0xf2 &&
7333 info_element->data[3] == 0x01) {
7334 iwe.cmd = IWEVGENIE;
7335 iwe.u.data.length = min(info_element->len + 2,
7337 current_ev = iwe_stream_add_point(current_ev, end_buf,
7338 &iwe, (char *) info_element);
7343 iwe.cmd = IWEVGENIE;
7344 iwe.u.data.length = min(info_element->len + 2,
7346 current_ev = iwe_stream_add_point(current_ev, end_buf,
7347 &iwe, (char *) info_element);
7354 length -= sizeof(*info_element) + info_element->len;
7356 (struct ieee80211_info_element *)&info_element->
7357 data[info_element->len];
7363 /*------------------------------------------------------------------*/
7365 * Wireless Handler : Read Scan Results
7367 static int airo_get_scan(struct net_device *dev,
7368 struct iw_request_info *info,
7369 struct iw_point *dwrq,
7372 struct airo_info *ai = dev->priv;
7373 BSSListElement *net;
7375 char *current_ev = extra;
7377 /* If a scan is in-progress, return -EAGAIN */
7378 if (ai->scan_timeout > 0)
7381 if (down_interruptible(&ai->sem))
7384 list_for_each_entry (net, &ai->network_list, list) {
7385 /* Translate to WE format this entry */
7386 current_ev = airo_translate_scan(dev, current_ev,
7387 extra + dwrq->length,
7390 /* Check if there is space for one more entry */
7391 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7392 /* Ask user space to try again with a bigger buffer */
7398 /* Length of data */
7399 dwrq->length = (current_ev - extra);
7400 dwrq->flags = 0; /* todo */
7407 /*------------------------------------------------------------------*/
7409 * Commit handler : called after a bunch of SET operations
7411 static int airo_config_commit(struct net_device *dev,
7412 struct iw_request_info *info, /* NULL */
7413 void *zwrq, /* NULL */
7414 char *extra) /* NULL */
7416 struct airo_info *local = dev->priv;
7419 if (!test_bit (FLAG_COMMIT, &local->flags))
7422 /* Some of the "SET" function may have modified some of the
7423 * parameters. It's now time to commit them in the card */
7424 disable_MAC(local, 1);
7425 if (test_bit (FLAG_RESET, &local->flags)) {
7426 APListRid APList_rid;
7429 readAPListRid(local, &APList_rid);
7430 readSsidRid(local, &SSID_rid);
7431 if (test_bit(FLAG_MPI,&local->flags))
7432 setup_card(local, dev->dev_addr, 1 );
7434 reset_airo_card(dev);
7435 disable_MAC(local, 1);
7436 writeSsidRid(local, &SSID_rid, 1);
7437 writeAPListRid(local, &APList_rid, 1);
7439 if (down_interruptible(&local->sem))
7440 return -ERESTARTSYS;
7441 writeConfigRid(local, 0);
7442 enable_MAC(local, &rsp, 0);
7443 if (test_bit (FLAG_RESET, &local->flags))
7444 airo_set_promisc(local);
7451 /*------------------------------------------------------------------*/
7453 * Structures to export the Wireless Handlers
7456 static const struct iw_priv_args airo_private_args[] = {
7457 /*{ cmd, set_args, get_args, name } */
7458 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7459 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7460 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7461 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7464 static const iw_handler airo_handler[] =
7466 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7467 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7468 (iw_handler) NULL, /* SIOCSIWNWID */
7469 (iw_handler) NULL, /* SIOCGIWNWID */
7470 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7471 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7472 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7473 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7474 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7475 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7476 (iw_handler) NULL, /* SIOCSIWRANGE */
7477 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7478 (iw_handler) NULL, /* SIOCSIWPRIV */
7479 (iw_handler) NULL, /* SIOCGIWPRIV */
7480 (iw_handler) NULL, /* SIOCSIWSTATS */
7481 (iw_handler) NULL, /* SIOCGIWSTATS */
7482 iw_handler_set_spy, /* SIOCSIWSPY */
7483 iw_handler_get_spy, /* SIOCGIWSPY */
7484 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7485 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7486 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7487 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7488 (iw_handler) NULL, /* -- hole -- */
7489 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7490 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7491 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7492 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7493 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7494 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7495 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7496 (iw_handler) NULL, /* -- hole -- */
7497 (iw_handler) NULL, /* -- hole -- */
7498 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7499 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7500 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7501 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7502 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7503 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7504 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7505 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7506 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7507 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7508 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7509 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7510 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7511 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7512 (iw_handler) NULL, /* -- hole -- */
7513 (iw_handler) NULL, /* -- hole -- */
7514 (iw_handler) NULL, /* SIOCSIWGENIE */
7515 (iw_handler) NULL, /* SIOCGIWGENIE */
7516 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7517 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7518 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7519 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7520 (iw_handler) NULL, /* SIOCSIWPMKSA */
7523 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7524 * We want to force the use of the ioctl code, because those can't be
7525 * won't work the iw_handler code (because they simultaneously read
7526 * and write data and iw_handler can't do that).
7527 * Note that it's perfectly legal to read/write on a single ioctl command,
7528 * you just can't use iwpriv and need to force it via the ioctl handler.
7530 static const iw_handler airo_private_handler[] =
7532 NULL, /* SIOCIWFIRSTPRIV */
7535 static const struct iw_handler_def airo_handler_def =
7537 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7538 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7539 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7540 .standard = airo_handler,
7541 .private = airo_private_handler,
7542 .private_args = airo_private_args,
7543 .get_wireless_stats = airo_get_wireless_stats,
7547 * This defines the configuration part of the Wireless Extensions
7548 * Note : irq and spinlock protection will occur in the subroutines
7551 * o Check input value more carefully and fill correct values in range
7552 * o Test and shakeout the bugs (if any)
7556 * Javier Achirica did a great job of merging code from the unnamed CISCO
7557 * developer that added support for flashing the card.
7559 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7562 struct airo_info *ai = (struct airo_info *)dev->priv;
7564 if (ai->power.event)
7574 int val = AIROMAGIC;
7576 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7578 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7587 /* Get the command struct and hand it off for evaluation by
7588 * the proper subfunction
7592 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7597 /* Separate R/W functions bracket legality here
7599 if ( com.command == AIRORSWVERSION ) {
7600 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7605 else if ( com.command <= AIRORRID)
7606 rc = readrids(dev,&com);
7607 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7608 rc = writerids(dev,&com);
7609 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7610 rc = flashcard(dev,&com);
7612 rc = -EINVAL; /* Bad command in ioctl */
7615 #endif /* CISCO_EXT */
7617 // All other calls are currently unsupported
7625 * Get the Wireless stats out of the driver
7626 * Note : irq and spinlock protection will occur in the subroutines
7629 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7633 static void airo_read_wireless_stats(struct airo_info *local)
7635 StatusRid status_rid;
7637 CapabilityRid cap_rid;
7638 u32 *vals = stats_rid.vals;
7640 /* Get stats out of the card */
7641 clear_bit(JOB_WSTATS, &local->jobs);
7642 if (local->power.event) {
7646 readCapabilityRid(local, &cap_rid, 0);
7647 readStatusRid(local, &status_rid, 0);
7648 readStatsRid(local, &stats_rid, RID_STATS, 0);
7652 local->wstats.status = status_rid.mode;
7654 /* Signal quality and co */
7656 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7657 /* normalizedSignalStrength appears to be a percentage */
7658 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7660 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7661 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7663 if (status_rid.len >= 124) {
7664 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7665 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7667 local->wstats.qual.noise = 0;
7668 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7671 /* Packets discarded in the wireless adapter due to wireless
7672 * specific problems */
7673 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7674 local->wstats.discard.code = vals[6];/* RxWepErr */
7675 local->wstats.discard.fragment = vals[30];
7676 local->wstats.discard.retries = vals[10];
7677 local->wstats.discard.misc = vals[1] + vals[32];
7678 local->wstats.miss.beacon = vals[34];
7681 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7683 struct airo_info *local = dev->priv;
7685 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7686 /* Get stats out of the card if available */
7687 if (down_trylock(&local->sem) != 0) {
7688 set_bit(JOB_WSTATS, &local->jobs);
7689 wake_up_interruptible(&local->thr_wait);
7691 airo_read_wireless_stats(local);
7694 return &local->wstats;
7699 * This just translates from driver IOCTL codes to the command codes to
7700 * feed to the radio's host interface. Things can be added/deleted
7701 * as needed. This represents the READ side of control I/O to
7704 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7705 unsigned short ridcode;
7706 unsigned char *iobuf;
7708 struct airo_info *ai = dev->priv;
7711 if (test_bit(FLAG_FLASHING, &ai->flags))
7714 switch(comp->command)
7716 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7717 case AIROGCFG: ridcode = RID_CONFIG;
7718 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7719 disable_MAC (ai, 1);
7720 writeConfigRid (ai, 1);
7721 enable_MAC (ai, &rsp, 1);
7724 case AIROGSLIST: ridcode = RID_SSID; break;
7725 case AIROGVLIST: ridcode = RID_APLIST; break;
7726 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7727 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7728 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7729 /* Only super-user can read WEP keys */
7730 if (!capable(CAP_NET_ADMIN))
7733 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7734 /* Only super-user can read WEP keys */
7735 if (!capable(CAP_NET_ADMIN))
7738 case AIROGSTAT: ridcode = RID_STATUS; break;
7739 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7740 case AIROGSTATSC32: ridcode = RID_STATS; break;
7742 if (copy_to_user(comp->data, &ai->micstats,
7743 min((int)comp->len,(int)sizeof(ai->micstats))))
7746 case AIRORRID: ridcode = comp->ridnum; break;
7752 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7755 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7756 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7757 * then return it to the user
7758 * 9/22/2000 Honor user given length
7762 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7771 * Danger Will Robinson write the rids here
7774 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7775 struct airo_info *ai = dev->priv;
7779 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7780 unsigned char *iobuf;
7782 /* Only super-user can write RIDs */
7783 if (!capable(CAP_NET_ADMIN))
7786 if (test_bit(FLAG_FLASHING, &ai->flags))
7790 writer = do_writerid;
7792 switch(comp->command)
7794 case AIROPSIDS: ridcode = RID_SSID; break;
7795 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7796 case AIROPAPLIST: ridcode = RID_APLIST; break;
7797 case AIROPCFG: ai->config.len = 0;
7798 clear_bit(FLAG_COMMIT, &ai->flags);
7799 ridcode = RID_CONFIG; break;
7800 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7801 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7802 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7803 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7805 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7806 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7808 /* this is not really a rid but a command given to the card
7812 if (enable_MAC(ai, &rsp, 1) != 0)
7817 * Evidently this code in the airo driver does not get a symbol
7818 * as disable_MAC. it's probably so short the compiler does not gen one.
7824 /* This command merely clears the counts does not actually store any data
7825 * only reads rid. But as it changes the cards state, I put it in the
7826 * writerid routines.
7829 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7832 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7834 enabled = ai->micstats.enabled;
7835 memset(&ai->micstats,0,sizeof(ai->micstats));
7836 ai->micstats.enabled = enabled;
7838 if (copy_to_user(comp->data, iobuf,
7839 min((int)comp->len, (int)RIDSIZE))) {
7847 return -EOPNOTSUPP; /* Blarg! */
7849 if(comp->len > RIDSIZE)
7852 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7855 if (copy_from_user(iobuf,comp->data,comp->len)) {
7860 if (comp->command == AIROPCFG) {
7861 ConfigRid *cfg = (ConfigRid *)iobuf;
7863 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7864 cfg->opmode |= MODE_MIC;
7866 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7867 set_bit (FLAG_ADHOC, &ai->flags);
7869 clear_bit (FLAG_ADHOC, &ai->flags);
7872 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7880 /*****************************************************************************
7881 * Ancillary flash / mod functions much black magic lurkes here *
7882 *****************************************************************************
7886 * Flash command switch table
7889 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7892 /* Only super-user can modify flash */
7893 if (!capable(CAP_NET_ADMIN))
7896 switch(comp->command)
7899 return cmdreset((struct airo_info *)dev->priv);
7902 if (!((struct airo_info *)dev->priv)->flash &&
7903 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7905 return setflashmode((struct airo_info *)dev->priv);
7907 case AIROFLSHGCHR: /* Get char from aux */
7908 if(comp->len != sizeof(int))
7910 if (copy_from_user(&z,comp->data,comp->len))
7912 return flashgchar((struct airo_info *)dev->priv,z,8000);
7914 case AIROFLSHPCHR: /* Send char to card. */
7915 if(comp->len != sizeof(int))
7917 if (copy_from_user(&z,comp->data,comp->len))
7919 return flashpchar((struct airo_info *)dev->priv,z,8000);
7921 case AIROFLPUTBUF: /* Send 32k to card */
7922 if (!((struct airo_info *)dev->priv)->flash)
7924 if(comp->len > FLASHSIZE)
7926 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7929 flashputbuf((struct airo_info *)dev->priv);
7933 if(flashrestart((struct airo_info *)dev->priv,dev))
7940 #define FLASH_COMMAND 0x7e7e
7944 * Disable MAC and do soft reset on
7948 static int cmdreset(struct airo_info *ai) {
7952 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7956 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7958 ssleep(1); /* WAS 600 12/7/00 */
7961 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7968 * Put the card in legendary flash
7972 static int setflashmode (struct airo_info *ai) {
7973 set_bit (FLAG_FLASHING, &ai->flags);
7975 OUT4500(ai, SWS0, FLASH_COMMAND);
7976 OUT4500(ai, SWS1, FLASH_COMMAND);
7978 OUT4500(ai, SWS0, FLASH_COMMAND);
7979 OUT4500(ai, COMMAND,0x10);
7981 OUT4500(ai, SWS2, FLASH_COMMAND);
7982 OUT4500(ai, SWS3, FLASH_COMMAND);
7983 OUT4500(ai, COMMAND,0);
7985 msleep(500); /* 500ms delay */
7988 clear_bit (FLAG_FLASHING, &ai->flags);
7989 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7995 /* Put character to SWS0 wait for dwelltime
7999 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8010 /* Wait for busy bit d15 to go false indicating buffer empty */
8011 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8016 /* timeout for busy clear wait */
8018 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8022 /* Port is clear now write byte and wait for it to echo back */
8024 OUT4500(ai,SWS0,byte);
8027 echo = IN4500(ai,SWS1);
8028 } while (dwelltime >= 0 && echo != byte);
8032 return (echo == byte) ? 0 : -EIO;
8036 * Get a character from the card matching matchbyte
8039 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8041 unsigned char rbyte=0;
8044 rchar = IN4500(ai,SWS1);
8046 if(dwelltime && !(0x8000 & rchar)){
8051 rbyte = 0xff & rchar;
8053 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8057 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8061 }while(dwelltime > 0);
8066 * Transfer 32k of firmware data from user buffer to our buffer and
8070 static int flashputbuf(struct airo_info *ai){
8074 if (test_bit(FLAG_MPI,&ai->flags))
8075 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8077 OUT4500(ai,AUXPAGE,0x100);
8078 OUT4500(ai,AUXOFF,0);
8080 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8081 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8084 OUT4500(ai,SWS0,0x8000);
8092 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8095 ssleep(1); /* Added 12/7/00 */
8096 clear_bit (FLAG_FLASHING, &ai->flags);
8097 if (test_bit(FLAG_MPI, &ai->flags)) {
8098 status = mpi_init_descriptors(ai);
8099 if (status != SUCCESS)
8102 status = setup_card(ai, dev->dev_addr, 1);
8104 if (!test_bit(FLAG_MPI,&ai->flags))
8105 for( i = 0; i < MAX_FIDS; i++ ) {
8106 ai->fids[i] = transmit_allocate
8107 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8110 ssleep(1); /* Added 12/7/00 */
8113 #endif /* CISCO_EXT */
8116 This program is free software; you can redistribute it and/or
8117 modify it under the terms of the GNU General Public License
8118 as published by the Free Software Foundation; either version 2
8119 of the License, or (at your option) any later version.
8121 This program is distributed in the hope that it will be useful,
8122 but WITHOUT ANY WARRANTY; without even the implied warranty of
8123 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8124 GNU General Public License for more details.
8128 Redistribution and use in source and binary forms, with or without
8129 modification, are permitted provided that the following conditions
8132 1. Redistributions of source code must retain the above copyright
8133 notice, this list of conditions and the following disclaimer.
8134 2. Redistributions in binary form must reproduce the above copyright
8135 notice, this list of conditions and the following disclaimer in the
8136 documentation and/or other materials provided with the distribution.
8137 3. The name of the author may not be used to endorse or promote
8138 products derived from this software without specific prior written
8141 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8142 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8143 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8144 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8145 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8146 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8147 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8148 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8149 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8150 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8151 POSSIBILITY OF SUCH DAMAGE.
8154 module_init(airo_init_module);
8155 module_exit(airo_cleanup_module);
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