1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/system.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <asm/uaccess.h>
49 #include <net/ieee80211.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.h>
55 #define DRV_NAME "airo"
58 static struct pci_device_id card_ids[] = {
59 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
61 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
65 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
68 MODULE_DEVICE_TABLE(pci, card_ids);
70 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
71 static void airo_pci_remove(struct pci_dev *);
72 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
73 static int airo_pci_resume(struct pci_dev *pdev);
75 static struct pci_driver airo_driver = {
78 .probe = airo_pci_probe,
79 .remove = __devexit_p(airo_pci_remove),
80 .suspend = airo_pci_suspend,
81 .resume = airo_pci_resume,
83 #endif /* CONFIG_PCI */
85 /* Include Wireless Extension definition and check version - Jean II */
86 #include <linux/wireless.h>
87 #define WIRELESS_SPY // enable iwspy support
88 #include <net/iw_handler.h> // New driver API
90 #define CISCO_EXT // enable Cisco extensions
92 #include <linux/delay.h>
95 /* Hack to do some power saving */
98 /* As you can see this list is HUGH!
99 I really don't know what a lot of these counts are about, but they
100 are all here for completeness. If the IGNLABEL macro is put in
101 infront of the label, that statistic will not be included in the list
102 of statistics in the /proc filesystem */
104 #define IGNLABEL(comment) NULL
105 static char *statsLabels[] = {
107 IGNLABEL("RxPlcpCrcErr"),
108 IGNLABEL("RxPlcpFormatErr"),
109 IGNLABEL("RxPlcpLengthErr"),
140 "LostSync-MissedBeacons",
141 "LostSync-ArlExceeded",
143 "LostSync-Disassoced",
144 "LostSync-TsfTiming",
153 IGNLABEL("HmacTxMc"),
154 IGNLABEL("HmacTxBc"),
155 IGNLABEL("HmacTxUc"),
156 IGNLABEL("HmacTxFail"),
157 IGNLABEL("HmacRxMc"),
158 IGNLABEL("HmacRxBc"),
159 IGNLABEL("HmacRxUc"),
160 IGNLABEL("HmacRxDiscard"),
161 IGNLABEL("HmacRxAccepted"),
169 IGNLABEL("ReasonOutsideTable"),
170 IGNLABEL("ReasonStatus1"),
171 IGNLABEL("ReasonStatus2"),
172 IGNLABEL("ReasonStatus3"),
173 IGNLABEL("ReasonStatus4"),
174 IGNLABEL("ReasonStatus5"),
175 IGNLABEL("ReasonStatus6"),
176 IGNLABEL("ReasonStatus7"),
177 IGNLABEL("ReasonStatus8"),
178 IGNLABEL("ReasonStatus9"),
179 IGNLABEL("ReasonStatus10"),
180 IGNLABEL("ReasonStatus11"),
181 IGNLABEL("ReasonStatus12"),
182 IGNLABEL("ReasonStatus13"),
183 IGNLABEL("ReasonStatus14"),
184 IGNLABEL("ReasonStatus15"),
185 IGNLABEL("ReasonStatus16"),
186 IGNLABEL("ReasonStatus17"),
187 IGNLABEL("ReasonStatus18"),
188 IGNLABEL("ReasonStatus19"),
208 #define RUN_AT(x) (jiffies+(x))
212 /* These variables are for insmod, since it seems that the rates
213 can only be set in setup_card. Rates should be a comma separated
214 (no spaces) list of rates (up to 8). */
217 static int basic_rate;
218 static char *ssids[3];
224 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
225 0 means no limit. For old cards this was 4 */
227 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
228 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
229 the bap, needed on some older cards and buses. */
232 static int probe = 1;
234 static int proc_uid /* = 0 */;
236 static int proc_gid /* = 0 */;
238 static int airo_perm = 0555;
240 static int proc_perm = 0644;
242 MODULE_AUTHOR("Benjamin Reed");
243 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
244 cards. Direct support for ISA/PCI/MPI cards and support \
245 for PCMCIA when used with airo_cs.");
246 MODULE_LICENSE("Dual BSD/GPL");
247 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
248 module_param_array(io, int, NULL, 0);
249 module_param_array(irq, int, NULL, 0);
250 module_param(basic_rate, int, 0);
251 module_param_array(rates, int, NULL, 0);
252 module_param_array(ssids, charp, NULL, 0);
253 module_param(auto_wep, int, 0);
254 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
255 the authentication options until an association is made. The value of \
256 auto_wep is number of the wep keys to check. A value of 2 will try using \
257 the key at index 0 and index 1.");
258 module_param(aux_bap, int, 0);
259 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
260 than seems to work better for older cards with some older buses. Before \
261 switching it checks that the switch is needed.");
262 module_param(maxencrypt, int, 0);
263 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
264 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
265 Older cards used to be limited to 2mbs (4).");
266 module_param(adhoc, int, 0);
267 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
268 module_param(probe, int, 0);
269 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
271 module_param(proc_uid, int, 0);
272 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
273 module_param(proc_gid, int, 0);
274 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
275 module_param(airo_perm, int, 0);
276 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
277 module_param(proc_perm, int, 0);
278 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
280 /* This is a kind of sloppy hack to get this information to OUT4500 and
281 IN4500. I would be extremely interested in the situation where this
282 doesn't work though!!! */
283 static int do8bitIO = 0;
292 #define MAC_ENABLE 0x0001
293 #define MAC_DISABLE 0x0002
294 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
295 #define CMD_SOFTRESET 0x0004
296 #define HOSTSLEEP 0x0005
297 #define CMD_MAGIC_PKT 0x0006
298 #define CMD_SETWAKEMASK 0x0007
299 #define CMD_READCFG 0x0008
300 #define CMD_SETMODE 0x0009
301 #define CMD_ALLOCATETX 0x000a
302 #define CMD_TRANSMIT 0x000b
303 #define CMD_DEALLOCATETX 0x000c
305 #define CMD_WORKAROUND 0x0011
306 #define CMD_ALLOCATEAUX 0x0020
307 #define CMD_ACCESS 0x0021
308 #define CMD_PCIBAP 0x0022
309 #define CMD_PCIAUX 0x0023
310 #define CMD_ALLOCBUF 0x0028
311 #define CMD_GETTLV 0x0029
312 #define CMD_PUTTLV 0x002a
313 #define CMD_DELTLV 0x002b
314 #define CMD_FINDNEXTTLV 0x002c
315 #define CMD_PSPNODES 0x0030
316 #define CMD_SETCW 0x0031
317 #define CMD_SETPCF 0x0032
318 #define CMD_SETPHYREG 0x003e
319 #define CMD_TXTEST 0x003f
320 #define MAC_ENABLETX 0x0101
321 #define CMD_LISTBSS 0x0103
322 #define CMD_SAVECFG 0x0108
323 #define CMD_ENABLEAUX 0x0111
324 #define CMD_WRITERID 0x0121
325 #define CMD_USEPSPNODES 0x0130
326 #define MAC_ENABLERX 0x0201
329 #define ERROR_QUALIF 0x00
330 #define ERROR_ILLCMD 0x01
331 #define ERROR_ILLFMT 0x02
332 #define ERROR_INVFID 0x03
333 #define ERROR_INVRID 0x04
334 #define ERROR_LARGE 0x05
335 #define ERROR_NDISABL 0x06
336 #define ERROR_ALLOCBSY 0x07
337 #define ERROR_NORD 0x0B
338 #define ERROR_NOWR 0x0C
339 #define ERROR_INVFIDTX 0x0D
340 #define ERROR_TESTACT 0x0E
341 #define ERROR_TAGNFND 0x12
342 #define ERROR_DECODE 0x20
343 #define ERROR_DESCUNAV 0x21
344 #define ERROR_BADLEN 0x22
345 #define ERROR_MODE 0x80
346 #define ERROR_HOP 0x81
347 #define ERROR_BINTER 0x82
348 #define ERROR_RXMODE 0x83
349 #define ERROR_MACADDR 0x84
350 #define ERROR_RATES 0x85
351 #define ERROR_ORDER 0x86
352 #define ERROR_SCAN 0x87
353 #define ERROR_AUTH 0x88
354 #define ERROR_PSMODE 0x89
355 #define ERROR_RTYPE 0x8A
356 #define ERROR_DIVER 0x8B
357 #define ERROR_SSID 0x8C
358 #define ERROR_APLIST 0x8D
359 #define ERROR_AUTOWAKE 0x8E
360 #define ERROR_LEAP 0x8F
371 #define LINKSTAT 0x10
375 #define TXALLOCFID 0x22
376 #define TXCOMPLFID 0x24
391 /* Offset into aux memory for descriptors */
392 #define AUX_OFFSET 0x800
393 /* Size of allocated packets */
396 /* Size of the transmit queue */
400 #define BAP0 0 // Used for receiving packets
401 #define BAP1 2 // Used for xmiting packets and working with RIDS
404 #define COMMAND_BUSY 0x8000
406 #define BAP_BUSY 0x8000
407 #define BAP_ERR 0x4000
408 #define BAP_DONE 0x2000
410 #define PROMISC 0xffff
411 #define NOPROMISC 0x0000
414 #define EV_CLEARCOMMANDBUSY 0x4000
417 #define EV_TXEXC 0x04
418 #define EV_ALLOC 0x08
420 #define EV_AWAKE 0x100
421 #define EV_TXCPY 0x400
422 #define EV_UNKNOWN 0x800
423 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
424 #define EV_AWAKEN 0x2000
425 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
427 #ifdef CHECK_UNKNOWN_INTS
428 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
430 #define IGNORE_INTS (~STATUS_INTS)
437 #define RID_CAPABILITIES 0xFF00
438 #define RID_APINFO 0xFF01
439 #define RID_RADIOINFO 0xFF02
440 #define RID_UNKNOWN3 0xFF03
441 #define RID_RSSI 0xFF04
442 #define RID_CONFIG 0xFF10
443 #define RID_SSID 0xFF11
444 #define RID_APLIST 0xFF12
445 #define RID_DRVNAME 0xFF13
446 #define RID_ETHERENCAP 0xFF14
447 #define RID_WEP_TEMP 0xFF15
448 #define RID_WEP_PERM 0xFF16
449 #define RID_MODULATION 0xFF17
450 #define RID_OPTIONS 0xFF18
451 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
452 #define RID_FACTORYCONFIG 0xFF21
453 #define RID_UNKNOWN22 0xFF22
454 #define RID_LEAPUSERNAME 0xFF23
455 #define RID_LEAPPASSWORD 0xFF24
456 #define RID_STATUS 0xFF50
457 #define RID_BEACON_HST 0xFF51
458 #define RID_BUSY_HST 0xFF52
459 #define RID_RETRIES_HST 0xFF53
460 #define RID_UNKNOWN54 0xFF54
461 #define RID_UNKNOWN55 0xFF55
462 #define RID_UNKNOWN56 0xFF56
463 #define RID_MIC 0xFF57
464 #define RID_STATS16 0xFF60
465 #define RID_STATS16DELTA 0xFF61
466 #define RID_STATS16DELTACLEAR 0xFF62
467 #define RID_STATS 0xFF68
468 #define RID_STATSDELTA 0xFF69
469 #define RID_STATSDELTACLEAR 0xFF6A
470 #define RID_ECHOTEST_RID 0xFF70
471 #define RID_ECHOTEST_RESULTS 0xFF71
472 #define RID_BSSLISTFIRST 0xFF72
473 #define RID_BSSLISTNEXT 0xFF73
474 #define RID_WPA_BSSLISTFIRST 0xFF74
475 #define RID_WPA_BSSLISTNEXT 0xFF75
492 * Rids and endian-ness: The Rids will always be in cpu endian, since
493 * this all the patches from the big-endian guys end up doing that.
494 * so all rid access should use the read/writeXXXRid routines.
497 /* This is redundant for x86 archs, but it seems necessary for ARM */
500 /* This structure came from an email sent to me from an engineer at
501 aironet for inclusion into this driver */
510 /* These structures are from the Aironet's PC4500 Developers Manual */
524 #define MOD_DEFAULT 0
530 u16 len; /* sizeof(ConfigRid) */
531 u16 opmode; /* operating mode */
532 #define MODE_STA_IBSS 0
533 #define MODE_STA_ESS 1
535 #define MODE_AP_RPTR 3
536 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
537 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
538 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
539 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
540 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
541 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
542 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
543 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
544 #define MODE_MIC (1<<15) /* enable MIC */
545 u16 rmode; /* receive mode */
546 #define RXMODE_BC_MC_ADDR 0
547 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
548 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
549 #define RXMODE_RFMON 3 /* wireless monitor mode */
550 #define RXMODE_RFMON_ANYBSS 4
551 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
552 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
553 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
556 u8 macAddr[ETH_ALEN];
560 u16 txLifetime; /* in kusec */
561 u16 rxLifetime; /* in kusec */
564 u16 u16deviceType; /* for overriding device type */
568 /*---------- Scanning/Associating ----------*/
570 #define SCANMODE_ACTIVE 0
571 #define SCANMODE_PASSIVE 1
572 #define SCANMODE_AIROSCAN 2
573 u16 probeDelay; /* in kusec */
574 u16 probeEnergyTimeout; /* in kusec */
575 u16 probeResponseTimeout;
576 u16 beaconListenTimeout;
580 #define AUTH_OPEN 0x1
581 #define AUTH_ENCRYPT 0x101
582 #define AUTH_SHAREDKEY 0x102
583 #define AUTH_ALLOW_UNENCRYPTED 0x200
584 u16 associationTimeout;
585 u16 specifiedApTimeout;
586 u16 offlineScanInterval;
587 u16 offlineScanDuration;
589 u16 maxBeaconLostTime;
591 #define DISABLE_REFRESH 0xFFFF
593 /*---------- Power save operation ----------*/
595 #define POWERSAVE_CAM 0
596 #define POWERSAVE_PSP 1
597 #define POWERSAVE_PSPCAM 2
600 u16 fastListenInterval;
604 /*---------- Ap/Ibss config items ----------*/
613 /*---------- Radio configuration ----------*/
615 #define RADIOTYPE_DEFAULT 0
616 #define RADIOTYPE_802_11 1
617 #define RADIOTYPE_LEGACY 2
621 #define TXPOWER_DEFAULT 0
623 #define RSSI_DEFAULT 0
625 #define PREAMBLE_AUTO 0
626 #define PREAMBLE_LONG 1
627 #define PREAMBLE_SHORT 2
631 /*---------- Aironet Extensions ----------*/
637 /*---------- Aironet Extensions ----------*/
639 #define MAGIC_ACTION_STSCHG 1
640 #define MAGIC_ACTION_RESUME 2
641 #define MAGIC_IGNORE_MCAST (1<<8)
642 #define MAGIC_IGNORE_BCAST (1<<9)
643 #define MAGIC_SWITCH_TO_PSP (0<<10)
644 #define MAGIC_STAY_IN_CAM (1<<10)
658 u8 bssid[4][ETH_ALEN];
672 u16 normalizedSignalStrength;
675 u8 noisePercent; /* Noise percent in last second */
676 u8 noisedBm; /* Noise dBm in last second */
677 u8 noiseAvePercent; /* Noise percent in last minute */
678 u8 noiseAvedBm; /* Noise dBm in last minute */
679 u8 noiseMaxPercent; /* Highest noise percent in last minute */
680 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
684 #define STAT_NOPACKETS 0
685 #define STAT_NOCARRIERSET 10
686 #define STAT_GOTCARRIERSET 11
687 #define STAT_WRONGSSID 20
688 #define STAT_BADCHANNEL 25
689 #define STAT_BADBITRATES 30
690 #define STAT_BADPRIVACY 35
691 #define STAT_APFOUND 40
692 #define STAT_APREJECTED 50
693 #define STAT_AUTHENTICATING 60
694 #define STAT_DEAUTHENTICATED 61
695 #define STAT_AUTHTIMEOUT 62
696 #define STAT_ASSOCIATING 70
697 #define STAT_DEASSOCIATED 71
698 #define STAT_ASSOCTIMEOUT 72
699 #define STAT_NOTAIROAP 73
700 #define STAT_ASSOCIATED 80
701 #define STAT_LEAPING 90
702 #define STAT_LEAPFAILED 91
703 #define STAT_LEAPTIMEDOUT 92
704 #define STAT_LEAPCOMPLETE 93
727 char factoryAddr[ETH_ALEN];
728 char aironetAddr[ETH_ALEN];
731 char callid[ETH_ALEN];
732 char supportedRates[8];
735 u16 txPowerLevels[8];
749 /* Only present on firmware >= 5.30.17 */
752 u8 fixed[12]; /* WLAN management frame */
758 u16 index; /* First is 0 and 0xffff means end of list */
759 #define RADIO_FH 1 /* Frequency hopping radio type */
760 #define RADIO_DS 2 /* Direct sequence radio type */
761 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
763 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
768 #define CAP_ESS (1<<0)
769 #define CAP_IBSS (1<<1)
770 #define CAP_PRIVACY (1<<4)
771 #define CAP_SHORTHDR (1<<5)
774 u8 rates[8]; /* Same as rates for config rid */
775 struct { /* For frequency hopping only */
785 /* Only present on firmware >= 5.30.17 */
786 BSSListRidExtra extra;
791 struct list_head list;
837 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
838 #define TXCTL_TXEX (1<<2) /* report if tx fails */
839 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
840 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
841 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
842 #define TXCTL_LLC (1<<4) /* payload is llc */
843 #define TXCTL_RELEASE (0<<5) /* release after completion */
844 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
846 #define BUSY_FID 0x10000
849 #define AIROMAGIC 0xa55a
850 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
851 #ifdef SIOCIWFIRSTPRIV
852 #ifdef SIOCDEVPRIVATE
853 #define AIROOLDIOCTL SIOCDEVPRIVATE
854 #define AIROOLDIDIFC AIROOLDIOCTL + 1
855 #endif /* SIOCDEVPRIVATE */
856 #else /* SIOCIWFIRSTPRIV */
857 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
858 #endif /* SIOCIWFIRSTPRIV */
859 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
860 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
861 * only and don't return the modified struct ifreq to the application which
862 * is usually a problem. - Jean II */
863 #define AIROIOCTL SIOCIWFIRSTPRIV
864 #define AIROIDIFC AIROIOCTL + 1
866 /* Ioctl constants to be used in airo_ioctl.command */
868 #define AIROGCAP 0 // Capability rid
869 #define AIROGCFG 1 // USED A LOT
870 #define AIROGSLIST 2 // System ID list
871 #define AIROGVLIST 3 // List of specified AP's
872 #define AIROGDRVNAM 4 // NOTUSED
873 #define AIROGEHTENC 5 // NOTUSED
874 #define AIROGWEPKTMP 6
875 #define AIROGWEPKNV 7
877 #define AIROGSTATSC32 9
878 #define AIROGSTATSD32 10
879 #define AIROGMICRID 11
880 #define AIROGMICSTATS 12
881 #define AIROGFLAGS 13
884 #define AIRORSWVERSION 17
886 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
888 #define AIROPCAP AIROGSTATSD32 + 40
889 #define AIROPVLIST AIROPCAP + 1
890 #define AIROPSLIST AIROPVLIST + 1
891 #define AIROPCFG AIROPSLIST + 1
892 #define AIROPSIDS AIROPCFG + 1
893 #define AIROPAPLIST AIROPSIDS + 1
894 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
895 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
896 #define AIROPSTCLR AIROPMACOFF + 1
897 #define AIROPWEPKEY AIROPSTCLR + 1
898 #define AIROPWEPKEYNV AIROPWEPKEY + 1
899 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
900 #define AIROPLEAPUSR AIROPLEAPPWD + 1
904 #define AIROFLSHRST AIROPWEPKEYNV + 40
905 #define AIROFLSHGCHR AIROFLSHRST + 1
906 #define AIROFLSHSTFL AIROFLSHGCHR + 1
907 #define AIROFLSHPCHR AIROFLSHSTFL + 1
908 #define AIROFLPUTBUF AIROFLSHPCHR + 1
909 #define AIRORESTART AIROFLPUTBUF + 1
911 #define FLASHSIZE 32768
912 #define AUXMEMSIZE (256 * 1024)
914 typedef struct aironet_ioctl {
915 unsigned short command; // What to do
916 unsigned short len; // Len of data
917 unsigned short ridnum; // rid number
918 unsigned char __user *data; // d-data
921 static char swversion[] = "2.1";
922 #endif /* CISCO_EXT */
924 #define NUM_MODULES 2
925 #define MIC_MSGLEN_MAX 2400
926 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
927 #define AIRO_DEF_MTU 2312
931 u8 enabled; // MIC enabled or not
932 u32 rxSuccess; // successful packets received
933 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
934 u32 rxNotMICed; // pkts dropped due to not being MIC'd
935 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
936 u32 rxWrongSequence; // pkts dropped due to sequence number violation
941 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
942 u64 accum; // accumulated mic, reduced to u32 in final()
943 int position; // current position (byte offset) in message
947 } part; // saves partial message word across update() calls
951 emmh32_context seed; // Context - the seed
952 u32 rx; // Received sequence number
953 u32 tx; // Tx sequence number
954 u32 window; // Start of window
955 u8 valid; // Flag to say if context is valid or not
960 miccntx mCtx; // Multicast context
961 miccntx uCtx; // Unicast context
965 unsigned int rid: 16;
966 unsigned int len: 15;
967 unsigned int valid: 1;
968 dma_addr_t host_addr;
972 unsigned int offset: 15;
974 unsigned int len: 15;
975 unsigned int valid: 1;
976 dma_addr_t host_addr;
980 unsigned int ctl: 15;
982 unsigned int len: 15;
983 unsigned int valid: 1;
984 dma_addr_t host_addr;
988 * Host receive descriptor
991 unsigned char __iomem *card_ram_off; /* offset into card memory of the
993 RxFid rx_desc; /* card receive descriptor */
994 char *virtual_host_addr; /* virtual address of host receive
1000 * Host transmit descriptor
1003 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1005 TxFid tx_desc; /* card transmit descriptor */
1006 char *virtual_host_addr; /* virtual address of host receive
1012 * Host RID descriptor
1015 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1017 Rid rid_desc; /* card RID descriptor */
1018 char *virtual_host_addr; /* virtual address of host receive
1027 #define HOST_SET (1 << 0)
1028 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1029 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1030 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1031 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1032 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1033 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1034 #define HOST_RTS (1 << 9) /* Force RTS use */
1035 #define HOST_SHORT (1 << 10) /* Do short preamble */
1062 static WifiCtlHdr wifictlhdr8023 = {
1064 .ctl = HOST_DONT_RLSE,
1068 // Frequency list (map channels to frequencies)
1069 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1070 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1072 // A few details needed for WEP (Wireless Equivalent Privacy)
1073 #define MAX_KEY_SIZE 13 // 128 (?) bits
1074 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1075 typedef struct wep_key_t {
1077 u8 key[16]; /* 40-bit and 104-bit keys */
1080 /* Backward compatibility */
1081 #ifndef IW_ENCODE_NOKEY
1082 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1083 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1084 #endif /* IW_ENCODE_NOKEY */
1086 /* List of Wireless Handlers (new API) */
1087 static const struct iw_handler_def airo_handler_def;
1089 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1093 static int get_dec_u16( char *buffer, int *start, int limit );
1094 static void OUT4500( struct airo_info *, u16 register, u16 value );
1095 static unsigned short IN4500( struct airo_info *, u16 register );
1096 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1097 static int enable_MAC(struct airo_info *ai, int lock);
1098 static void disable_MAC(struct airo_info *ai, int lock);
1099 static void enable_interrupts(struct airo_info*);
1100 static void disable_interrupts(struct airo_info*);
1101 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1102 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1103 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1105 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1107 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1109 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1110 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1111 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1112 *pBuf, int len, int lock);
1113 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1114 int len, int dummy );
1115 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1116 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1117 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1119 static int mpi_send_packet (struct net_device *dev);
1120 static void mpi_unmap_card(struct pci_dev *pci);
1121 static void mpi_receive_802_3(struct airo_info *ai);
1122 static void mpi_receive_802_11(struct airo_info *ai);
1123 static int waitbusy (struct airo_info *ai);
1125 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1126 static int airo_thread(void *data);
1127 static void timer_func( struct net_device *dev );
1128 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1129 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1130 static void airo_read_wireless_stats (struct airo_info *local);
1132 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1133 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1134 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1135 #endif /* CISCO_EXT */
1136 static void micinit(struct airo_info *ai);
1137 static int micsetup(struct airo_info *ai);
1138 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1139 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1141 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1142 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1144 static void airo_networks_free(struct airo_info *ai);
1147 struct net_device_stats stats;
1148 struct net_device *dev;
1149 struct list_head dev_list;
1150 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1151 use the high bit to mark whether it is in use. */
1153 #define MPI_MAX_FIDS 1
1156 char keyindex; // Used with auto wep
1157 char defindex; // Used with auto wep
1158 struct proc_dir_entry *proc_entry;
1159 spinlock_t aux_lock;
1160 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1161 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1162 #define FLAG_RADIO_MASK 0x03
1163 #define FLAG_ENABLED 2
1164 #define FLAG_ADHOC 3 /* Needed by MIC */
1165 #define FLAG_MIC_CAPABLE 4
1166 #define FLAG_UPDATE_MULTI 5
1167 #define FLAG_UPDATE_UNI 6
1168 #define FLAG_802_11 7
1169 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1170 #define FLAG_PENDING_XMIT 9
1171 #define FLAG_PENDING_XMIT11 10
1173 #define FLAG_REGISTERED 12
1174 #define FLAG_COMMIT 13
1175 #define FLAG_RESET 14
1176 #define FLAG_FLASHING 15
1177 #define FLAG_WPA_CAPABLE 16
1178 unsigned long flags;
1181 #define JOB_XMIT11 2
1183 #define JOB_PROMISC 4
1186 #define JOB_AUTOWEP 7
1187 #define JOB_WSTATS 8
1188 #define JOB_SCAN_RESULTS 9
1190 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1192 unsigned short *flash;
1194 struct task_struct *list_bss_task;
1195 struct task_struct *airo_thread_task;
1196 struct semaphore sem;
1197 wait_queue_head_t thr_wait;
1198 unsigned long expires;
1200 struct sk_buff *skb;
1203 struct net_device *wifidev;
1204 struct iw_statistics wstats; // wireless stats
1205 unsigned long scan_timeout; /* Time scan should be read */
1206 struct iw_spy_data spy_data;
1207 struct iw_public_data wireless_data;
1209 struct crypto_cipher *tfm;
1211 mic_statistics micstats;
1212 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1213 HostTxDesc txfids[MPI_MAX_FIDS];
1214 HostRidDesc config_desc;
1215 unsigned long ridbus; // phys addr of config_desc
1216 struct sk_buff_head txq;// tx queue used by mpi350 code
1217 struct pci_dev *pci;
1218 unsigned char __iomem *pcimem;
1219 unsigned char __iomem *pciaux;
1220 unsigned char *shared;
1221 dma_addr_t shared_dma;
1225 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1226 char proc_name[IFNAMSIZ];
1228 /* WPA-related stuff */
1229 unsigned int bssListFirst;
1230 unsigned int bssListNext;
1231 unsigned int bssListRidLen;
1233 struct list_head network_list;
1234 struct list_head network_free_list;
1235 BSSListElement *networks;
1238 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1240 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1243 static int setup_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1245 static int takedown_proc_entry( struct net_device *dev,
1246 struct airo_info *apriv );
1248 static int cmdreset(struct airo_info *ai);
1249 static int setflashmode (struct airo_info *ai);
1250 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1251 static int flashputbuf(struct airo_info *ai);
1252 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1254 #define airo_print(type, name, fmt, args...) \
1255 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
1257 #define airo_print_info(name, fmt, args...) \
1258 airo_print(KERN_INFO, name, fmt, ##args)
1260 #define airo_print_dbg(name, fmt, args...) \
1261 airo_print(KERN_DEBUG, name, fmt, ##args)
1263 #define airo_print_warn(name, fmt, args...) \
1264 airo_print(KERN_WARNING, name, fmt, ##args)
1266 #define airo_print_err(name, fmt, args...) \
1267 airo_print(KERN_ERR, name, fmt, ##args)
1270 /***********************************************************************
1272 ***********************************************************************
1275 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1276 static void MoveWindow(miccntx *context, u32 micSeq);
1277 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1278 struct crypto_cipher *tfm);
1279 static void emmh32_init(emmh32_context *context);
1280 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1281 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1282 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1284 /* micinit - Initialize mic seed */
1286 static void micinit(struct airo_info *ai)
1290 clear_bit(JOB_MIC, &ai->jobs);
1291 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1294 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1296 if (ai->micstats.enabled) {
1297 /* Key must be valid and different */
1298 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1299 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1300 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1301 /* Age current mic Context */
1302 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1303 /* Initialize new context */
1304 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1305 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1306 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1307 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1308 ai->mod[0].mCtx.valid = 1; //Key is now valid
1310 /* Give key to mic seed */
1311 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1314 /* Key must be valid and different */
1315 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1316 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1317 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1318 /* Age current mic Context */
1319 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1320 /* Initialize new context */
1321 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1323 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1324 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1325 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1326 ai->mod[0].uCtx.valid = 1; //Key is now valid
1328 //Give key to mic seed
1329 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1332 /* So next time we have a valid key and mic is enabled, we will update
1333 * the sequence number if the key is the same as before.
1335 ai->mod[0].uCtx.valid = 0;
1336 ai->mod[0].mCtx.valid = 0;
1340 /* micsetup - Get ready for business */
1342 static int micsetup(struct airo_info *ai) {
1345 if (ai->tfm == NULL)
1346 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1348 if (IS_ERR(ai->tfm)) {
1349 airo_print_err(ai->dev->name, "failed to load transform for AES");
1354 for (i=0; i < NUM_MODULES; i++) {
1355 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1356 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1361 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1363 /*===========================================================================
1364 * Description: Mic a packet
1366 * Inputs: etherHead * pointer to an 802.3 frame
1368 * Returns: BOOLEAN if successful, otherwise false.
1369 * PacketTxLen will be updated with the mic'd packets size.
1371 * Caveats: It is assumed that the frame buffer will already
1372 * be big enough to hold the largets mic message possible.
1373 * (No memory allocation is done here).
1375 * Author: sbraneky (10/15/01)
1376 * Merciless hacks by rwilcher (1/14/02)
1379 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1383 // Determine correct context
1384 // If not adhoc, always use unicast key
1386 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1387 context = &ai->mod[0].mCtx;
1389 context = &ai->mod[0].uCtx;
1391 if (!context->valid)
1394 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1396 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1399 mic->seq = htonl(context->tx);
1402 emmh32_init(&context->seed); // Mic the packet
1403 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1404 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1405 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1406 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1407 emmh32_final(&context->seed, (u8*)&mic->mic);
1409 /* New Type/length ?????????? */
1410 mic->typelen = 0; //Let NIC know it could be an oversized packet
1422 /*===========================================================================
1423 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1424 * (removes the MIC stuff) if packet is a valid packet.
1426 * Inputs: etherHead pointer to the 802.3 packet
1428 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1430 * Author: sbraneky (10/15/01)
1431 * Merciless hacks by rwilcher (1/14/02)
1432 *---------------------------------------------------------------------------
1435 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1441 mic_error micError = NONE;
1443 // Check if the packet is a Mic'd packet
1445 if (!ai->micstats.enabled) {
1446 //No Mic set or Mic OFF but we received a MIC'd packet.
1447 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1448 ai->micstats.rxMICPlummed++;
1454 if (ntohs(mic->typelen) == 0x888E)
1457 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1458 // Mic enabled but packet isn't Mic'd
1459 ai->micstats.rxMICPlummed++;
1463 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1465 //At this point we a have a mic'd packet and mic is enabled
1466 //Now do the mic error checking.
1468 //Receive seq must be odd
1469 if ( (micSEQ & 1) == 0 ) {
1470 ai->micstats.rxWrongSequence++;
1474 for (i = 0; i < NUM_MODULES; i++) {
1475 int mcast = eth->da[0] & 1;
1476 //Determine proper context
1477 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1479 //Make sure context is valid
1480 if (!context->valid) {
1482 micError = NOMICPLUMMED;
1488 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1490 emmh32_init(&context->seed);
1491 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1492 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1493 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1494 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1496 emmh32_final(&context->seed, digest);
1498 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1501 micError = INCORRECTMIC;
1505 //Check Sequence number if mics pass
1506 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1507 ai->micstats.rxSuccess++;
1511 micError = SEQUENCE;
1514 // Update statistics
1516 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1517 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1518 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1525 /*===========================================================================
1526 * Description: Checks the Rx Seq number to make sure it is valid
1527 * and hasn't already been received
1529 * Inputs: miccntx - mic context to check seq against
1530 * micSeq - the Mic seq number
1532 * Returns: TRUE if valid otherwise FALSE.
1534 * Author: sbraneky (10/15/01)
1535 * Merciless hacks by rwilcher (1/14/02)
1536 *---------------------------------------------------------------------------
1539 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1543 //Allow for the ap being rebooted - if it is then use the next
1544 //sequence number of the current sequence number - might go backwards
1547 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1548 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1549 context->window = (micSeq > 33) ? micSeq : 33;
1550 context->rx = 0; // Reset rx
1552 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1553 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1554 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1555 context->rx = 0; // Reset rx
1558 //Make sequence number relative to START of window
1559 seq = micSeq - (context->window - 33);
1561 //Too old of a SEQ number to check.
1566 //Window is infinite forward
1567 MoveWindow(context,micSeq);
1571 // We are in the window. Now check the context rx bit to see if it was already sent
1572 seq >>= 1; //divide by 2 because we only have odd numbers
1573 index = 1 << seq; //Get an index number
1575 if (!(context->rx & index)) {
1576 //micSEQ falls inside the window.
1577 //Add seqence number to the list of received numbers.
1578 context->rx |= index;
1580 MoveWindow(context,micSeq);
1587 static void MoveWindow(miccntx *context, u32 micSeq)
1591 //Move window if seq greater than the middle of the window
1592 if (micSeq > context->window) {
1593 shift = (micSeq - context->window) >> 1;
1597 context->rx >>= shift;
1601 context->window = micSeq; //Move window
1605 /*==============================================*/
1606 /*========== EMMH ROUTINES ====================*/
1607 /*==============================================*/
1609 /* mic accumulate */
1610 #define MIC_ACCUM(val) \
1611 context->accum += (u64)(val) * context->coeff[coeff_position++];
1613 static unsigned char aes_counter[16];
1615 /* expand the key to fill the MMH coefficient array */
1616 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1617 struct crypto_cipher *tfm)
1619 /* take the keying material, expand if necessary, truncate at 16-bytes */
1620 /* run through AES counter mode to generate context->coeff[] */
1624 u8 *cipher, plain[16];
1626 crypto_cipher_setkey(tfm, pkey, 16);
1628 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1629 aes_counter[15] = (u8)(counter >> 0);
1630 aes_counter[14] = (u8)(counter >> 8);
1631 aes_counter[13] = (u8)(counter >> 16);
1632 aes_counter[12] = (u8)(counter >> 24);
1634 memcpy (plain, aes_counter, 16);
1635 crypto_cipher_encrypt_one(tfm, plain, plain);
1637 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1638 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1644 /* prepare for calculation of a new mic */
1645 static void emmh32_init(emmh32_context *context)
1647 /* prepare for new mic calculation */
1649 context->position = 0;
1652 /* add some bytes to the mic calculation */
1653 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1655 int coeff_position, byte_position;
1657 if (len == 0) return;
1659 coeff_position = context->position >> 2;
1661 /* deal with partial 32-bit word left over from last update */
1662 byte_position = context->position & 3;
1663 if (byte_position) {
1664 /* have a partial word in part to deal with */
1666 if (len == 0) return;
1667 context->part.d8[byte_position++] = *pOctets++;
1668 context->position++;
1670 } while (byte_position < 4);
1671 MIC_ACCUM(htonl(context->part.d32));
1674 /* deal with full 32-bit words */
1676 MIC_ACCUM(htonl(*(u32 *)pOctets));
1677 context->position += 4;
1682 /* deal with partial 32-bit word that will be left over from this update */
1685 context->part.d8[byte_position++] = *pOctets++;
1686 context->position++;
1691 /* mask used to zero empty bytes for final partial word */
1692 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1694 /* calculate the mic */
1695 static void emmh32_final(emmh32_context *context, u8 digest[4])
1697 int coeff_position, byte_position;
1703 coeff_position = context->position >> 2;
1705 /* deal with partial 32-bit word left over from last update */
1706 byte_position = context->position & 3;
1707 if (byte_position) {
1708 /* have a partial word in part to deal with */
1709 val = htonl(context->part.d32);
1710 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1713 /* reduce the accumulated u64 to a 32-bit MIC */
1714 sum = context->accum;
1715 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1716 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1717 sum = utmp & 0xffffffffLL;
1718 if (utmp > 0x10000000fLL)
1722 digest[0] = (val>>24) & 0xFF;
1723 digest[1] = (val>>16) & 0xFF;
1724 digest[2] = (val>>8) & 0xFF;
1725 digest[3] = val & 0xFF;
1728 static int readBSSListRid(struct airo_info *ai, int first,
1735 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1736 memset(&cmd, 0, sizeof(cmd));
1737 cmd.cmd=CMD_LISTBSS;
1738 if (down_interruptible(&ai->sem))
1739 return -ERESTARTSYS;
1740 ai->list_bss_task = current;
1741 issuecommand(ai, &cmd, &rsp);
1743 /* Let the command take effect */
1744 schedule_timeout_uninterruptible(3 * HZ);
1745 ai->list_bss_task = NULL;
1747 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1748 list, ai->bssListRidLen, 1);
1750 list->len = le16_to_cpu(list->len);
1751 list->index = le16_to_cpu(list->index);
1752 list->radioType = le16_to_cpu(list->radioType);
1753 list->cap = le16_to_cpu(list->cap);
1754 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1755 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1756 list->dsChannel = le16_to_cpu(list->dsChannel);
1757 list->atimWindow = le16_to_cpu(list->atimWindow);
1758 list->dBm = le16_to_cpu(list->dBm);
1762 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1763 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1764 wkr, sizeof(*wkr), lock);
1766 wkr->len = le16_to_cpu(wkr->len);
1767 wkr->kindex = le16_to_cpu(wkr->kindex);
1768 wkr->klen = le16_to_cpu(wkr->klen);
1771 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1772 * the originals when we endian them... */
1773 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1775 WepKeyRid wkr = *pwkr;
1777 wkr.len = cpu_to_le16(wkr.len);
1778 wkr.kindex = cpu_to_le16(wkr.kindex);
1779 wkr.klen = cpu_to_le16(wkr.klen);
1780 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1781 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1783 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1785 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1791 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1793 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1795 ssidr->len = le16_to_cpu(ssidr->len);
1796 for(i = 0; i < 3; i++) {
1797 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1801 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1804 SsidRid ssidr = *pssidr;
1806 ssidr.len = cpu_to_le16(ssidr.len);
1807 for(i = 0; i < 3; i++) {
1808 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1810 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1813 static int readConfigRid(struct airo_info*ai, int lock) {
1821 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1825 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1827 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1828 *s = le16_to_cpu(*s);
1830 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1831 *s = le16_to_cpu(*s);
1833 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1834 *s = cpu_to_le16(*s);
1836 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1837 *s = cpu_to_le16(*s);
1842 static inline void checkThrottle(struct airo_info *ai) {
1844 /* Old hardware had a limit on encryption speed */
1845 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1846 for(i=0; i<8; i++) {
1847 if (ai->config.rates[i] > maxencrypt) {
1848 ai->config.rates[i] = 0;
1853 static int writeConfigRid(struct airo_info*ai, int lock) {
1857 if (!test_bit (FLAG_COMMIT, &ai->flags))
1860 clear_bit (FLAG_COMMIT, &ai->flags);
1861 clear_bit (FLAG_RESET, &ai->flags);
1865 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1866 set_bit(FLAG_ADHOC, &ai->flags);
1868 clear_bit(FLAG_ADHOC, &ai->flags);
1870 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1872 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1873 *s = cpu_to_le16(*s);
1875 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1876 *s = cpu_to_le16(*s);
1878 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1879 *s = cpu_to_le16(*s);
1881 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1882 *s = cpu_to_le16(*s);
1884 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1886 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1887 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1890 statr->len = le16_to_cpu(statr->len);
1891 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1893 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1894 *s = le16_to_cpu(*s);
1895 statr->load = le16_to_cpu(statr->load);
1896 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1899 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1900 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1901 aplr->len = le16_to_cpu(aplr->len);
1904 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1906 aplr->len = cpu_to_le16(aplr->len);
1907 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1910 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1911 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1914 capr->len = le16_to_cpu(capr->len);
1915 capr->prodNum = le16_to_cpu(capr->prodNum);
1916 capr->radioType = le16_to_cpu(capr->radioType);
1917 capr->country = le16_to_cpu(capr->country);
1918 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1919 *s = le16_to_cpu(*s);
1922 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1923 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1926 sr->len = le16_to_cpu(sr->len);
1927 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1931 static void try_auto_wep(struct airo_info *ai)
1933 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
1934 ai->expires = RUN_AT(3*HZ);
1935 wake_up_interruptible(&ai->thr_wait);
1939 static int airo_open(struct net_device *dev) {
1940 struct airo_info *ai = dev->priv;
1943 if (test_bit(FLAG_FLASHING, &ai->flags))
1946 /* Make sure the card is configured.
1947 * Wireless Extensions may postpone config changes until the card
1948 * is open (to pipeline changes and speed-up card setup). If
1949 * those changes are not yet commited, do it now - Jean II */
1950 if (test_bit(FLAG_COMMIT, &ai->flags)) {
1952 writeConfigRid(ai, 1);
1955 if (ai->wifidev != dev) {
1956 clear_bit(JOB_DIE, &ai->jobs);
1957 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
1958 if (IS_ERR(ai->airo_thread_task))
1959 return (int)PTR_ERR(ai->airo_thread_task);
1961 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
1964 airo_print_err(dev->name,
1965 "register interrupt %d failed, rc %d",
1967 set_bit(JOB_DIE, &ai->jobs);
1968 kthread_stop(ai->airo_thread_task);
1972 /* Power on the MAC controller (which may have been disabled) */
1973 clear_bit(FLAG_RADIO_DOWN, &ai->flags);
1974 enable_interrupts(ai);
1980 netif_start_queue(dev);
1984 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1985 int npacks, pending;
1986 unsigned long flags;
1987 struct airo_info *ai = dev->priv;
1990 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1993 npacks = skb_queue_len (&ai->txq);
1995 if (npacks >= MAXTXQ - 1) {
1996 netif_stop_queue (dev);
1997 if (npacks > MAXTXQ) {
1998 ai->stats.tx_fifo_errors++;
2001 skb_queue_tail (&ai->txq, skb);
2005 spin_lock_irqsave(&ai->aux_lock, flags);
2006 skb_queue_tail (&ai->txq, skb);
2007 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
2008 spin_unlock_irqrestore(&ai->aux_lock,flags);
2009 netif_wake_queue (dev);
2012 set_bit(FLAG_PENDING_XMIT, &ai->flags);
2013 mpi_send_packet (dev);
2021 * Attempt to transmit a packet. Can be called from interrupt
2022 * or transmit . return number of packets we tried to send
2025 static int mpi_send_packet (struct net_device *dev)
2027 struct sk_buff *skb;
2028 unsigned char *buffer;
2029 s16 len, *payloadLen;
2030 struct airo_info *ai = dev->priv;
2033 /* get a packet to send */
2035 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2036 airo_print_err(dev->name,
2037 "%s: Dequeue'd zero in send_packet()",
2042 /* check min length*/
2043 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2046 ai->txfids[0].tx_desc.offset = 0;
2047 ai->txfids[0].tx_desc.valid = 1;
2048 ai->txfids[0].tx_desc.eoc = 1;
2049 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2052 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2053 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2054 * is immediatly after it. ------------------------------------------------
2055 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2056 * ------------------------------------------------
2059 memcpy((char *)ai->txfids[0].virtual_host_addr,
2060 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2062 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2063 sizeof(wifictlhdr8023));
2064 sendbuf = ai->txfids[0].virtual_host_addr +
2065 sizeof(wifictlhdr8023) + 2 ;
2068 * Firmware automaticly puts 802 header on so
2069 * we don't need to account for it in the length
2071 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2072 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2075 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2078 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2079 ai->txfids[0].tx_desc.len += sizeof(pMic);
2080 /* copy data into airo dma buffer */
2081 memcpy (sendbuf, buffer, sizeof(etherHead));
2082 buffer += sizeof(etherHead);
2083 sendbuf += sizeof(etherHead);
2084 memcpy (sendbuf, &pMic, sizeof(pMic));
2085 sendbuf += sizeof(pMic);
2086 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2088 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2090 dev->trans_start = jiffies;
2092 /* copy data into airo dma buffer */
2093 memcpy(sendbuf, buffer, len);
2096 memcpy_toio(ai->txfids[0].card_ram_off,
2097 &ai->txfids[0].tx_desc, sizeof(TxFid));
2099 OUT4500(ai, EVACK, 8);
2101 dev_kfree_skb_any(skb);
2105 static void get_tx_error(struct airo_info *ai, s32 fid)
2110 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2112 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2114 bap_read(ai, &status, 2, BAP0);
2116 if (le16_to_cpu(status) & 2) /* Too many retries */
2117 ai->stats.tx_aborted_errors++;
2118 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2119 ai->stats.tx_heartbeat_errors++;
2120 if (le16_to_cpu(status) & 8) /* Aid fail */
2122 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2123 ai->stats.tx_carrier_errors++;
2124 if (le16_to_cpu(status) & 0x20) /* Association lost */
2126 /* We produce a TXDROP event only for retry or lifetime
2127 * exceeded, because that's the only status that really mean
2128 * that this particular node went away.
2129 * Other errors means that *we* screwed up. - Jean II */
2130 if ((le16_to_cpu(status) & 2) ||
2131 (le16_to_cpu(status) & 4)) {
2132 union iwreq_data wrqu;
2135 /* Faster to skip over useless data than to do
2136 * another bap_setup(). We are at offset 0x6 and
2137 * need to go to 0x18 and read 6 bytes - Jean II */
2138 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2140 /* Copy 802.11 dest address.
2141 * We use the 802.11 header because the frame may
2142 * not be 802.3 or may be mangled...
2143 * In Ad-Hoc mode, it will be the node address.
2144 * In managed mode, it will be most likely the AP addr
2145 * User space will figure out how to convert it to
2146 * whatever it needs (IP address or else).
2148 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2149 wrqu.addr.sa_family = ARPHRD_ETHER;
2151 /* Send event to user space */
2152 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2156 static void airo_end_xmit(struct net_device *dev) {
2159 struct airo_info *priv = dev->priv;
2160 struct sk_buff *skb = priv->xmit.skb;
2161 int fid = priv->xmit.fid;
2162 u32 *fids = priv->fids;
2164 clear_bit(JOB_XMIT, &priv->jobs);
2165 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2166 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2170 if ( status == SUCCESS ) {
2171 dev->trans_start = jiffies;
2172 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2174 priv->fids[fid] &= 0xffff;
2175 priv->stats.tx_window_errors++;
2177 if (i < MAX_FIDS / 2)
2178 netif_wake_queue(dev);
2182 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2185 struct airo_info *priv = dev->priv;
2186 u32 *fids = priv->fids;
2188 if ( skb == NULL ) {
2189 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2193 /* Find a vacant FID */
2194 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2195 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2197 if ( j >= MAX_FIDS / 2 ) {
2198 netif_stop_queue(dev);
2200 if (i == MAX_FIDS / 2) {
2201 priv->stats.tx_fifo_errors++;
2205 /* check min length*/
2206 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2207 /* Mark fid as used & save length for later */
2208 fids[i] |= (len << 16);
2209 priv->xmit.skb = skb;
2211 if (down_trylock(&priv->sem) != 0) {
2212 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2213 netif_stop_queue(dev);
2214 set_bit(JOB_XMIT, &priv->jobs);
2215 wake_up_interruptible(&priv->thr_wait);
2221 static void airo_end_xmit11(struct net_device *dev) {
2224 struct airo_info *priv = dev->priv;
2225 struct sk_buff *skb = priv->xmit11.skb;
2226 int fid = priv->xmit11.fid;
2227 u32 *fids = priv->fids;
2229 clear_bit(JOB_XMIT11, &priv->jobs);
2230 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2231 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2235 if ( status == SUCCESS ) {
2236 dev->trans_start = jiffies;
2237 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2239 priv->fids[fid] &= 0xffff;
2240 priv->stats.tx_window_errors++;
2243 netif_wake_queue(dev);
2247 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2250 struct airo_info *priv = dev->priv;
2251 u32 *fids = priv->fids;
2253 if (test_bit(FLAG_MPI, &priv->flags)) {
2254 /* Not implemented yet for MPI350 */
2255 netif_stop_queue(dev);
2259 if ( skb == NULL ) {
2260 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2264 /* Find a vacant FID */
2265 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2266 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2268 if ( j >= MAX_FIDS ) {
2269 netif_stop_queue(dev);
2271 if (i == MAX_FIDS) {
2272 priv->stats.tx_fifo_errors++;
2276 /* check min length*/
2277 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2278 /* Mark fid as used & save length for later */
2279 fids[i] |= (len << 16);
2280 priv->xmit11.skb = skb;
2281 priv->xmit11.fid = i;
2282 if (down_trylock(&priv->sem) != 0) {
2283 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2284 netif_stop_queue(dev);
2285 set_bit(JOB_XMIT11, &priv->jobs);
2286 wake_up_interruptible(&priv->thr_wait);
2288 airo_end_xmit11(dev);
2292 static void airo_read_stats(struct airo_info *ai) {
2294 u32 *vals = stats_rid.vals;
2296 clear_bit(JOB_STATS, &ai->jobs);
2297 if (ai->power.event) {
2301 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2304 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2305 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2306 ai->stats.rx_bytes = vals[92];
2307 ai->stats.tx_bytes = vals[91];
2308 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2309 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2310 ai->stats.multicast = vals[43];
2311 ai->stats.collisions = vals[89];
2313 /* detailed rx_errors: */
2314 ai->stats.rx_length_errors = vals[3];
2315 ai->stats.rx_crc_errors = vals[4];
2316 ai->stats.rx_frame_errors = vals[2];
2317 ai->stats.rx_fifo_errors = vals[0];
2320 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2322 struct airo_info *local = dev->priv;
2324 if (!test_bit(JOB_STATS, &local->jobs)) {
2325 /* Get stats out of the card if available */
2326 if (down_trylock(&local->sem) != 0) {
2327 set_bit(JOB_STATS, &local->jobs);
2328 wake_up_interruptible(&local->thr_wait);
2330 airo_read_stats(local);
2333 return &local->stats;
2336 static void airo_set_promisc(struct airo_info *ai) {
2340 memset(&cmd, 0, sizeof(cmd));
2341 cmd.cmd=CMD_SETMODE;
2342 clear_bit(JOB_PROMISC, &ai->jobs);
2343 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2344 issuecommand(ai, &cmd, &rsp);
2348 static void airo_set_multicast_list(struct net_device *dev) {
2349 struct airo_info *ai = dev->priv;
2351 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2352 change_bit(FLAG_PROMISC, &ai->flags);
2353 if (down_trylock(&ai->sem) != 0) {
2354 set_bit(JOB_PROMISC, &ai->jobs);
2355 wake_up_interruptible(&ai->thr_wait);
2357 airo_set_promisc(ai);
2360 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2361 /* Turn on multicast. (Should be already setup...) */
2365 static int airo_set_mac_address(struct net_device *dev, void *p)
2367 struct airo_info *ai = dev->priv;
2368 struct sockaddr *addr = p;
2370 readConfigRid(ai, 1);
2371 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2372 set_bit (FLAG_COMMIT, &ai->flags);
2374 writeConfigRid (ai, 1);
2376 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2378 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2382 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2384 if ((new_mtu < 68) || (new_mtu > 2400))
2390 static LIST_HEAD(airo_devices);
2392 static void add_airo_dev(struct airo_info *ai)
2394 /* Upper layers already keep track of PCI devices,
2395 * so we only need to remember our non-PCI cards. */
2397 list_add_tail(&ai->dev_list, &airo_devices);
2400 static void del_airo_dev(struct airo_info *ai)
2403 list_del(&ai->dev_list);
2406 static int airo_close(struct net_device *dev) {
2407 struct airo_info *ai = dev->priv;
2409 netif_stop_queue(dev);
2411 if (ai->wifidev != dev) {
2412 #ifdef POWER_ON_DOWN
2413 /* Shut power to the card. The idea is that the user can save
2414 * power when he doesn't need the card with "ifconfig down".
2415 * That's the method that is most friendly towards the network
2416 * stack (i.e. the network stack won't try to broadcast
2417 * anything on the interface and routes are gone. Jean II */
2418 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2421 disable_interrupts( ai );
2423 free_irq(dev->irq, dev);
2425 set_bit(JOB_DIE, &ai->jobs);
2426 kthread_stop(ai->airo_thread_task);
2431 void stop_airo_card( struct net_device *dev, int freeres )
2433 struct airo_info *ai = dev->priv;
2435 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2437 disable_interrupts(ai);
2438 takedown_proc_entry( dev, ai );
2439 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2440 unregister_netdev( dev );
2442 unregister_netdev(ai->wifidev);
2443 free_netdev(ai->wifidev);
2446 clear_bit(FLAG_REGISTERED, &ai->flags);
2449 * Clean out tx queue
2451 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2452 struct sk_buff *skb = NULL;
2453 for (;(skb = skb_dequeue(&ai->txq));)
2457 airo_networks_free (ai);
2464 /* PCMCIA frees this stuff, so only for PCI and ISA */
2465 release_region( dev->base_addr, 64 );
2466 if (test_bit(FLAG_MPI, &ai->flags)) {
2468 mpi_unmap_card(ai->pci);
2470 iounmap(ai->pcimem);
2472 iounmap(ai->pciaux);
2473 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2474 ai->shared, ai->shared_dma);
2477 crypto_free_cipher(ai->tfm);
2482 EXPORT_SYMBOL(stop_airo_card);
2484 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2486 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2490 static void mpi_unmap_card(struct pci_dev *pci)
2492 unsigned long mem_start = pci_resource_start(pci, 1);
2493 unsigned long mem_len = pci_resource_len(pci, 1);
2494 unsigned long aux_start = pci_resource_start(pci, 2);
2495 unsigned long aux_len = AUXMEMSIZE;
2497 release_mem_region(aux_start, aux_len);
2498 release_mem_region(mem_start, mem_len);
2501 /*************************************************************
2502 * This routine assumes that descriptors have been setup .
2503 * Run at insmod time or after reset when the decriptors
2504 * have been initialized . Returns 0 if all is well nz
2505 * otherwise . Does not allocate memory but sets up card
2506 * using previously allocated descriptors.
2508 static int mpi_init_descriptors (struct airo_info *ai)
2515 /* Alloc card RX descriptors */
2516 netif_stop_queue(ai->dev);
2518 memset(&rsp,0,sizeof(rsp));
2519 memset(&cmd,0,sizeof(cmd));
2521 cmd.cmd = CMD_ALLOCATEAUX;
2523 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2524 cmd.parm2 = MPI_MAX_FIDS;
2525 rc=issuecommand(ai, &cmd, &rsp);
2526 if (rc != SUCCESS) {
2527 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2531 for (i=0; i<MPI_MAX_FIDS; i++) {
2532 memcpy_toio(ai->rxfids[i].card_ram_off,
2533 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2536 /* Alloc card TX descriptors */
2538 memset(&rsp,0,sizeof(rsp));
2539 memset(&cmd,0,sizeof(cmd));
2541 cmd.cmd = CMD_ALLOCATEAUX;
2543 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2544 cmd.parm2 = MPI_MAX_FIDS;
2546 for (i=0; i<MPI_MAX_FIDS; i++) {
2547 ai->txfids[i].tx_desc.valid = 1;
2548 memcpy_toio(ai->txfids[i].card_ram_off,
2549 &ai->txfids[i].tx_desc, sizeof(TxFid));
2551 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2553 rc=issuecommand(ai, &cmd, &rsp);
2554 if (rc != SUCCESS) {
2555 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2559 /* Alloc card Rid descriptor */
2560 memset(&rsp,0,sizeof(rsp));
2561 memset(&cmd,0,sizeof(cmd));
2563 cmd.cmd = CMD_ALLOCATEAUX;
2565 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2566 cmd.parm2 = 1; /* Magic number... */
2567 rc=issuecommand(ai, &cmd, &rsp);
2568 if (rc != SUCCESS) {
2569 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2573 memcpy_toio(ai->config_desc.card_ram_off,
2574 &ai->config_desc.rid_desc, sizeof(Rid));
2580 * We are setting up three things here:
2581 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2582 * 2) Map PCI memory for issueing commands.
2583 * 3) Allocate memory (shared) to send and receive ethernet frames.
2585 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
2587 unsigned long mem_start, mem_len, aux_start, aux_len;
2590 dma_addr_t busaddroff;
2591 unsigned char *vpackoff;
2592 unsigned char __iomem *pciaddroff;
2594 mem_start = pci_resource_start(pci, 1);
2595 mem_len = pci_resource_len(pci, 1);
2596 aux_start = pci_resource_start(pci, 2);
2597 aux_len = AUXMEMSIZE;
2599 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
2600 airo_print_err("", "Couldn't get region %x[%x]",
2601 (int)mem_start, (int)mem_len);
2604 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
2605 airo_print_err("", "Couldn't get region %x[%x]",
2606 (int)aux_start, (int)aux_len);
2610 ai->pcimem = ioremap(mem_start, mem_len);
2612 airo_print_err("", "Couldn't map region %x[%x]",
2613 (int)mem_start, (int)mem_len);
2616 ai->pciaux = ioremap(aux_start, aux_len);
2618 airo_print_err("", "Couldn't map region %x[%x]",
2619 (int)aux_start, (int)aux_len);
2623 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2624 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2626 airo_print_err("", "Couldn't alloc_consistent %d",
2632 * Setup descriptor RX, TX, CONFIG
2634 busaddroff = ai->shared_dma;
2635 pciaddroff = ai->pciaux + AUX_OFFSET;
2636 vpackoff = ai->shared;
2638 /* RX descriptor setup */
2639 for(i = 0; i < MPI_MAX_FIDS; i++) {
2640 ai->rxfids[i].pending = 0;
2641 ai->rxfids[i].card_ram_off = pciaddroff;
2642 ai->rxfids[i].virtual_host_addr = vpackoff;
2643 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2644 ai->rxfids[i].rx_desc.valid = 1;
2645 ai->rxfids[i].rx_desc.len = PKTSIZE;
2646 ai->rxfids[i].rx_desc.rdy = 0;
2648 pciaddroff += sizeof(RxFid);
2649 busaddroff += PKTSIZE;
2650 vpackoff += PKTSIZE;
2653 /* TX descriptor setup */
2654 for(i = 0; i < MPI_MAX_FIDS; i++) {
2655 ai->txfids[i].card_ram_off = pciaddroff;
2656 ai->txfids[i].virtual_host_addr = vpackoff;
2657 ai->txfids[i].tx_desc.valid = 1;
2658 ai->txfids[i].tx_desc.host_addr = busaddroff;
2659 memcpy(ai->txfids[i].virtual_host_addr,
2660 &wifictlhdr8023, sizeof(wifictlhdr8023));
2662 pciaddroff += sizeof(TxFid);
2663 busaddroff += PKTSIZE;
2664 vpackoff += PKTSIZE;
2666 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2668 /* Rid descriptor setup */
2669 ai->config_desc.card_ram_off = pciaddroff;
2670 ai->config_desc.virtual_host_addr = vpackoff;
2671 ai->config_desc.rid_desc.host_addr = busaddroff;
2672 ai->ridbus = busaddroff;
2673 ai->config_desc.rid_desc.rid = 0;
2674 ai->config_desc.rid_desc.len = RIDSIZE;
2675 ai->config_desc.rid_desc.valid = 1;
2676 pciaddroff += sizeof(Rid);
2677 busaddroff += RIDSIZE;
2678 vpackoff += RIDSIZE;
2680 /* Tell card about descriptors */
2681 if (mpi_init_descriptors (ai) != SUCCESS)
2686 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2688 iounmap(ai->pciaux);
2690 iounmap(ai->pcimem);
2692 release_mem_region(aux_start, aux_len);
2694 release_mem_region(mem_start, mem_len);
2699 static void wifi_setup(struct net_device *dev)
2701 dev->hard_header = NULL;
2702 dev->rebuild_header = NULL;
2703 dev->hard_header_cache = NULL;
2704 dev->header_cache_update= NULL;
2706 dev->hard_header_parse = wll_header_parse;
2707 dev->hard_start_xmit = &airo_start_xmit11;
2708 dev->get_stats = &airo_get_stats;
2709 dev->set_mac_address = &airo_set_mac_address;
2710 dev->do_ioctl = &airo_ioctl;
2711 dev->wireless_handlers = &airo_handler_def;
2712 dev->change_mtu = &airo_change_mtu;
2713 dev->open = &airo_open;
2714 dev->stop = &airo_close;
2716 dev->type = ARPHRD_IEEE80211;
2717 dev->hard_header_len = ETH_HLEN;
2718 dev->mtu = AIRO_DEF_MTU;
2719 dev->addr_len = ETH_ALEN;
2720 dev->tx_queue_len = 100;
2722 memset(dev->broadcast,0xFF, ETH_ALEN);
2724 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2727 static struct net_device *init_wifidev(struct airo_info *ai,
2728 struct net_device *ethdev)
2731 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2734 dev->priv = ethdev->priv;
2735 dev->irq = ethdev->irq;
2736 dev->base_addr = ethdev->base_addr;
2737 dev->wireless_data = ethdev->wireless_data;
2738 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2739 err = register_netdev(dev);
2747 static int reset_card( struct net_device *dev , int lock) {
2748 struct airo_info *ai = dev->priv;
2750 if (lock && down_interruptible(&ai->sem))
2753 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2762 #define AIRO_MAX_NETWORK_COUNT 64
2763 static int airo_networks_allocate(struct airo_info *ai)
2769 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2771 if (!ai->networks) {
2772 airo_print_warn("", "Out of memory allocating beacons");
2779 static void airo_networks_free(struct airo_info *ai)
2781 kfree(ai->networks);
2782 ai->networks = NULL;
2785 static void airo_networks_initialize(struct airo_info *ai)
2789 INIT_LIST_HEAD(&ai->network_free_list);
2790 INIT_LIST_HEAD(&ai->network_list);
2791 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2792 list_add_tail(&ai->networks[i].list,
2793 &ai->network_free_list);
2796 static int airo_test_wpa_capable(struct airo_info *ai)
2799 CapabilityRid cap_rid;
2801 status = readCapabilityRid(ai, &cap_rid, 1);
2802 if (status != SUCCESS) return 0;
2804 /* Only firmware versions 5.30.17 or better can do WPA */
2805 if ((cap_rid.softVer > 0x530)
2806 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2807 airo_print_info("", "WPA is supported.");
2811 /* No WPA support */
2812 airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
2813 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2817 static struct net_device *_init_airo_card( unsigned short irq, int port,
2818 int is_pcmcia, struct pci_dev *pci,
2819 struct device *dmdev )
2821 struct net_device *dev;
2822 struct airo_info *ai;
2825 /* Create the network device object. */
2826 dev = alloc_netdev(sizeof(*ai), "", ether_setup);
2828 airo_print_err("", "Couldn't alloc_etherdev");
2834 ai->flags = 1 << FLAG_RADIO_DOWN;
2837 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2838 airo_print_dbg("", "Found an MPI350 card");
2839 set_bit(FLAG_MPI, &ai->flags);
2841 spin_lock_init(&ai->aux_lock);
2842 sema_init(&ai->sem, 1);
2845 init_waitqueue_head (&ai->thr_wait);
2849 if (airo_networks_allocate (ai))
2851 airo_networks_initialize (ai);
2853 /* The Airo-specific entries in the device structure. */
2854 if (test_bit(FLAG_MPI,&ai->flags)) {
2855 skb_queue_head_init (&ai->txq);
2856 dev->hard_start_xmit = &mpi_start_xmit;
2858 dev->hard_start_xmit = &airo_start_xmit;
2859 dev->get_stats = &airo_get_stats;
2860 dev->set_multicast_list = &airo_set_multicast_list;
2861 dev->set_mac_address = &airo_set_mac_address;
2862 dev->do_ioctl = &airo_ioctl;
2863 dev->wireless_handlers = &airo_handler_def;
2864 ai->wireless_data.spy_data = &ai->spy_data;
2865 dev->wireless_data = &ai->wireless_data;
2866 dev->change_mtu = &airo_change_mtu;
2867 dev->open = &airo_open;
2868 dev->stop = &airo_close;
2870 dev->base_addr = port;
2872 SET_NETDEV_DEV(dev, dmdev);
2873 SET_MODULE_OWNER(dev);
2875 reset_card (dev, 1);
2879 if (!request_region(dev->base_addr, 64, DRV_NAME)) {
2881 airo_print_err(dev->name, "Couldn't request region");
2886 if (test_bit(FLAG_MPI,&ai->flags)) {
2887 if (mpi_map_card(ai, pci)) {
2888 airo_print_err("", "Could not map memory");
2894 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2895 airo_print_err(dev->name, "MAC could not be enabled" );
2899 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2900 ai->bap_read = fast_bap_read;
2901 set_bit(FLAG_FLASHING, &ai->flags);
2904 /* Test for WPA support */
2905 if (airo_test_wpa_capable(ai)) {
2906 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2907 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2908 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2909 ai->bssListRidLen = sizeof(BSSListRid);
2911 ai->bssListFirst = RID_BSSLISTFIRST;
2912 ai->bssListNext = RID_BSSLISTNEXT;
2913 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2916 strcpy(dev->name, "eth%d");
2917 rc = register_netdev(dev);
2919 airo_print_err(dev->name, "Couldn't register_netdev");
2922 ai->wifidev = init_wifidev(ai, dev);
2926 set_bit(FLAG_REGISTERED,&ai->flags);
2927 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2928 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2929 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2931 /* Allocate the transmit buffers */
2932 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2933 for( i = 0; i < MAX_FIDS; i++ )
2934 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2936 if (setup_proc_entry(dev, dev->priv) < 0)
2942 unregister_netdev(ai->wifidev);
2943 free_netdev(ai->wifidev);
2945 unregister_netdev(dev);
2947 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2948 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2949 iounmap(ai->pciaux);
2950 iounmap(ai->pcimem);
2951 mpi_unmap_card(ai->pci);
2955 release_region( dev->base_addr, 64 );
2957 airo_networks_free(ai);
2964 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2965 struct device *dmdev)
2967 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2970 EXPORT_SYMBOL(init_airo_card);
2972 static int waitbusy (struct airo_info *ai) {
2974 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2976 if ((++delay % 20) == 0)
2977 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2979 return delay < 10000;
2982 int reset_airo_card( struct net_device *dev )
2985 struct airo_info *ai = dev->priv;
2987 if (reset_card (dev, 1))
2990 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2991 airo_print_err(dev->name, "MAC could not be enabled");
2994 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2995 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2996 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2997 /* Allocate the transmit buffers if needed */
2998 if (!test_bit(FLAG_MPI,&ai->flags))
2999 for( i = 0; i < MAX_FIDS; i++ )
3000 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
3002 enable_interrupts( ai );
3003 netif_wake_queue(dev);
3007 EXPORT_SYMBOL(reset_airo_card);
3009 static void airo_send_event(struct net_device *dev) {
3010 struct airo_info *ai = dev->priv;
3011 union iwreq_data wrqu;
3012 StatusRid status_rid;
3014 clear_bit(JOB_EVENT, &ai->jobs);
3015 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3017 wrqu.data.length = 0;
3018 wrqu.data.flags = 0;
3019 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3020 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3022 /* Send event to user space */
3023 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3026 static void airo_process_scan_results (struct airo_info *ai) {
3027 union iwreq_data wrqu;
3030 BSSListElement * loop_net;
3031 BSSListElement * tmp_net;
3033 /* Blow away current list of scan results */
3034 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3035 list_move_tail (&loop_net->list, &ai->network_free_list);
3036 /* Don't blow away ->list, just BSS data */
3037 memset (loop_net, 0, sizeof (loop_net->bss));
3040 /* Try to read the first entry of the scan result */
3041 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3042 if((rc) || (bss.index == 0xffff)) {
3043 /* No scan results */
3047 /* Read and parse all entries */
3049 while((!rc) && (bss.index != 0xffff)) {
3050 /* Grab a network off the free list */
3051 if (!list_empty(&ai->network_free_list)) {
3052 tmp_net = list_entry(ai->network_free_list.next,
3053 BSSListElement, list);
3054 list_del(ai->network_free_list.next);
3057 if (tmp_net != NULL) {
3058 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3059 list_add_tail(&tmp_net->list, &ai->network_list);
3063 /* Read next entry */
3064 rc = PC4500_readrid(ai, ai->bssListNext,
3065 &bss, ai->bssListRidLen, 0);
3069 ai->scan_timeout = 0;
3070 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3073 /* Send an empty event to user space.
3074 * We don't send the received data on
3075 * the event because it would require
3076 * us to do complex transcoding, and
3077 * we want to minimise the work done in
3078 * the irq handler. Use a request to
3079 * extract the data - Jean II */
3080 wrqu.data.length = 0;
3081 wrqu.data.flags = 0;
3082 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3085 static int airo_thread(void *data) {
3086 struct net_device *dev = data;
3087 struct airo_info *ai = dev->priv;
3092 /* make swsusp happy with our thread */
3095 if (test_bit(JOB_DIE, &ai->jobs))
3099 locked = down_interruptible(&ai->sem);
3103 init_waitqueue_entry(&wait, current);
3104 add_wait_queue(&ai->thr_wait, &wait);
3106 set_current_state(TASK_INTERRUPTIBLE);
3109 if (ai->expires || ai->scan_timeout) {
3110 if (ai->scan_timeout &&
3111 time_after_eq(jiffies,ai->scan_timeout)){
3112 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3114 } else if (ai->expires &&
3115 time_after_eq(jiffies,ai->expires)){
3116 set_bit(JOB_AUTOWEP, &ai->jobs);
3119 if (!kthread_should_stop() &&
3120 !freezing(current)) {
3121 unsigned long wake_at;
3122 if (!ai->expires || !ai->scan_timeout) {
3123 wake_at = max(ai->expires,
3126 wake_at = min(ai->expires,
3129 schedule_timeout(wake_at - jiffies);
3132 } else if (!kthread_should_stop() &&
3133 !freezing(current)) {
3139 current->state = TASK_RUNNING;
3140 remove_wait_queue(&ai->thr_wait, &wait);
3147 if (test_bit(JOB_DIE, &ai->jobs)) {
3152 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3157 if (test_bit(JOB_XMIT, &ai->jobs))
3159 else if (test_bit(JOB_XMIT11, &ai->jobs))
3160 airo_end_xmit11(dev);
3161 else if (test_bit(JOB_STATS, &ai->jobs))
3162 airo_read_stats(ai);
3163 else if (test_bit(JOB_WSTATS, &ai->jobs))
3164 airo_read_wireless_stats(ai);
3165 else if (test_bit(JOB_PROMISC, &ai->jobs))
3166 airo_set_promisc(ai);
3167 else if (test_bit(JOB_MIC, &ai->jobs))
3169 else if (test_bit(JOB_EVENT, &ai->jobs))
3170 airo_send_event(dev);
3171 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3173 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3174 airo_process_scan_results(ai);
3175 else /* Shouldn't get here, but we make sure to unlock */
3182 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3183 struct net_device *dev = (struct net_device *)dev_id;
3186 struct airo_info *apriv = dev->priv;
3187 u16 savedInterrupts = 0;
3190 if (!netif_device_present(dev))
3194 status = IN4500( apriv, EVSTAT );
3195 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3199 if ( status & EV_AWAKE ) {
3200 OUT4500( apriv, EVACK, EV_AWAKE );
3201 OUT4500( apriv, EVACK, EV_AWAKE );
3204 if (!savedInterrupts) {
3205 savedInterrupts = IN4500( apriv, EVINTEN );
3206 OUT4500( apriv, EVINTEN, 0 );
3209 if ( status & EV_MIC ) {
3210 OUT4500( apriv, EVACK, EV_MIC );
3211 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3212 set_bit(JOB_MIC, &apriv->jobs);
3213 wake_up_interruptible(&apriv->thr_wait);
3216 if ( status & EV_LINK ) {
3217 union iwreq_data wrqu;
3218 int scan_forceloss = 0;
3219 /* The link status has changed, if you want to put a
3220 monitor hook in, do it here. (Remember that
3221 interrupts are still disabled!)
3223 u16 newStatus = IN4500(apriv, LINKSTAT);
3224 OUT4500( apriv, EVACK, EV_LINK);
3225 /* Here is what newStatus means: */
3226 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3227 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3228 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3229 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3230 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3231 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3232 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3233 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3235 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3237 #define ASSOCIATED 0x0400 /* Associated */
3238 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3239 #define RC_RESERVED 0 /* Reserved return code */
3240 #define RC_NOREASON 1 /* Unspecified reason */
3241 #define RC_AUTHINV 2 /* Previous authentication invalid */
3242 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3244 #define RC_NOACT 4 /* Disassociated due to inactivity */
3245 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3246 all currently associated stations */
3247 #define RC_BADCLASS2 6 /* Class 2 frame received from
3248 non-Authenticated station */
3249 #define RC_BADCLASS3 7 /* Class 3 frame received from
3250 non-Associated station */
3251 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3253 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3254 Authenticated with the responding station */
3255 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3257 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3260 if (apriv->list_bss_task)
3261 wake_up_process(apriv->list_bss_task);
3262 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3263 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3265 if (down_trylock(&apriv->sem) != 0) {
3266 set_bit(JOB_EVENT, &apriv->jobs);
3267 wake_up_interruptible(&apriv->thr_wait);
3269 airo_send_event(dev);
3270 } else if (!scan_forceloss) {
3271 if (auto_wep && !apriv->expires) {
3272 apriv->expires = RUN_AT(3*HZ);
3273 wake_up_interruptible(&apriv->thr_wait);
3276 /* Send event to user space */
3277 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3278 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3279 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3283 /* Check to see if there is something to receive */
3284 if ( status & EV_RX ) {
3285 struct sk_buff *skb = NULL;
3286 u16 fc, len, hdrlen = 0;
3300 if (test_bit(FLAG_MPI,&apriv->flags)) {
3301 if (test_bit(FLAG_802_11, &apriv->flags))
3302 mpi_receive_802_11(apriv);
3304 mpi_receive_802_3(apriv);
3305 OUT4500(apriv, EVACK, EV_RX);
3309 fid = IN4500( apriv, RXFID );
3311 /* Get the packet length */
3312 if (test_bit(FLAG_802_11, &apriv->flags)) {
3313 bap_setup (apriv, fid, 4, BAP0);
3314 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3315 /* Bad CRC. Ignore packet */
3316 if (le16_to_cpu(hdr.status) & 2)
3318 if (apriv->wifidev == NULL)
3321 bap_setup (apriv, fid, 0x36, BAP0);
3322 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3324 len = le16_to_cpu(hdr.len);
3326 if (len > AIRO_DEF_MTU) {
3327 airo_print_err(apriv->dev->name, "Bad size %d", len);
3333 if (test_bit(FLAG_802_11, &apriv->flags)) {
3334 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3335 fc = le16_to_cpu(fc);
3338 if ((fc & 0xe0) == 0xc0)
3344 if ((fc&0x300)==0x300){
3352 hdrlen = ETH_ALEN * 2;
3354 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3356 apriv->stats.rx_dropped++;
3359 skb_reserve(skb, 2); /* This way the IP header is aligned */
3360 buffer = (u16*)skb_put (skb, len + hdrlen);
3361 if (test_bit(FLAG_802_11, &apriv->flags)) {
3363 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3365 bap_read (apriv, tmpbuf, 6, BAP0);
3367 bap_read (apriv, &gap, sizeof(gap), BAP0);
3368 gap = le16_to_cpu(gap);
3371 bap_read (apriv, tmpbuf, gap, BAP0);
3373 airo_print_err(apriv->dev->name, "gaplen too "
3374 "big. Problems will follow...");
3377 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3380 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3381 if (apriv->micstats.enabled) {
3382 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3383 if (ntohs(micbuf.typelen) > 0x05DC)
3384 bap_setup (apriv, fid, 0x44, BAP0);
3386 if (len <= sizeof(micbuf))
3389 len -= sizeof(micbuf);
3390 skb_trim (skb, len + hdrlen);
3393 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3394 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3396 dev_kfree_skb_irq (skb);
3398 OUT4500( apriv, EVACK, EV_RX);
3403 if (apriv->spy_data.spy_number > 0) {
3405 struct iw_quality wstats;
3406 /* Prepare spy data : addr + qual */
3407 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3408 sa = (char*)buffer + 6;
3409 bap_setup (apriv, fid, 8, BAP0);
3410 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3412 sa = (char*)buffer + 10;
3413 wstats.qual = hdr.rssi[0];
3415 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3417 wstats.level = (hdr.rssi[1] + 321) / 2;
3418 wstats.noise = apriv->wstats.qual.noise;
3419 wstats.updated = IW_QUAL_LEVEL_UPDATED
3420 | IW_QUAL_QUAL_UPDATED
3422 /* Update spy records */
3423 wireless_spy_update(dev, sa, &wstats);
3425 #endif /* WIRELESS_SPY */
3426 OUT4500( apriv, EVACK, EV_RX);
3428 if (test_bit(FLAG_802_11, &apriv->flags)) {
3429 skb_reset_mac_header(skb);
3430 skb->pkt_type = PACKET_OTHERHOST;
3431 skb->dev = apriv->wifidev;
3432 skb->protocol = htons(ETH_P_802_2);
3434 skb->protocol = eth_type_trans(skb,dev);
3435 skb->dev->last_rx = jiffies;
3436 skb->ip_summed = CHECKSUM_NONE;
3442 /* Check to see if a packet has been transmitted */
3443 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3448 if (test_bit(FLAG_MPI,&apriv->flags)) {
3449 unsigned long flags;
3451 if (status & EV_TXEXC)
3452 get_tx_error(apriv, -1);
3453 spin_lock_irqsave(&apriv->aux_lock, flags);
3454 if (!skb_queue_empty(&apriv->txq)) {
3455 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3456 mpi_send_packet (dev);
3458 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3459 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3460 netif_wake_queue (dev);
3462 OUT4500( apriv, EVACK,
3463 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3467 fid = IN4500(apriv, TXCOMPLFID);
3469 for( i = 0; i < MAX_FIDS; i++ ) {
3470 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3471 len = apriv->fids[i] >> 16;
3476 if (status & EV_TXEXC)
3477 get_tx_error(apriv, index);
3478 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3479 /* Set up to be used again */
3480 apriv->fids[index] &= 0xffff;
3481 if (index < MAX_FIDS / 2) {
3482 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3483 netif_wake_queue(dev);
3485 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3486 netif_wake_queue(apriv->wifidev);
3489 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3490 airo_print_err(apriv->dev->name, "Unallocated FID was "
3495 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3496 airo_print_warn(apriv->dev->name, "Got weird status %x",
3497 status & ~STATUS_INTS & ~IGNORE_INTS );
3500 if (savedInterrupts)
3501 OUT4500( apriv, EVINTEN, savedInterrupts );
3504 return IRQ_RETVAL(handled);
3508 * Routines to talk to the card
3512 * This was originally written for the 4500, hence the name
3513 * NOTE: If use with 8bit mode and SMP bad things will happen!
3514 * Why would some one do 8 bit IO in an SMP machine?!?
3516 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3517 if (test_bit(FLAG_MPI,&ai->flags))
3520 outw( val, ai->dev->base_addr + reg );
3522 outb( val & 0xff, ai->dev->base_addr + reg );
3523 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3527 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3530 if (test_bit(FLAG_MPI,&ai->flags))
3533 rc = inw( ai->dev->base_addr + reg );
3535 rc = inb( ai->dev->base_addr + reg );
3536 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3541 static int enable_MAC(struct airo_info *ai, int lock)
3547 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3548 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3549 * Note : we could try to use !netif_running(dev) in enable_MAC()
3550 * instead of this flag, but I don't trust it *within* the
3551 * open/close functions, and testing both flags together is
3552 * "cheaper" - Jean II */
3553 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3555 if (lock && down_interruptible(&ai->sem))
3556 return -ERESTARTSYS;
3558 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3559 memset(&cmd, 0, sizeof(cmd));
3560 cmd.cmd = MAC_ENABLE;
3561 rc = issuecommand(ai, &cmd, &rsp);
3563 set_bit(FLAG_ENABLED, &ai->flags);
3571 airo_print_err(ai->dev->name, "Cannot enable MAC");
3572 else if ((rsp.status & 0xFF00) != 0) {
3573 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3574 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3580 static void disable_MAC( struct airo_info *ai, int lock ) {
3584 if (lock && down_interruptible(&ai->sem))
3587 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3588 memset(&cmd, 0, sizeof(cmd));
3589 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3590 issuecommand(ai, &cmd, &rsp);
3591 clear_bit(FLAG_ENABLED, &ai->flags);
3597 static void enable_interrupts( struct airo_info *ai ) {
3598 /* Enable the interrupts */
3599 OUT4500( ai, EVINTEN, STATUS_INTS );
3602 static void disable_interrupts( struct airo_info *ai ) {
3603 OUT4500( ai, EVINTEN, 0 );
3606 static void mpi_receive_802_3(struct airo_info *ai)
3610 struct sk_buff *skb;
3615 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3616 /* Make sure we got something */
3617 if (rxd.rdy && rxd.valid == 0) {
3619 if (len < 12 || len > 2048)
3622 skb = dev_alloc_skb(len);
3624 ai->stats.rx_dropped++;
3627 buffer = skb_put(skb,len);
3628 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3629 if (ai->micstats.enabled) {
3631 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3633 if (ntohs(micbuf.typelen) <= 0x05DC) {
3634 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3637 off = sizeof(micbuf);
3638 skb_trim (skb, len - off);
3641 memcpy(buffer + ETH_ALEN * 2,
3642 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3643 len - ETH_ALEN * 2 - off);
3644 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3646 dev_kfree_skb_irq (skb);
3650 if (ai->spy_data.spy_number > 0) {
3652 struct iw_quality wstats;
3653 /* Prepare spy data : addr + qual */
3654 sa = buffer + ETH_ALEN;
3655 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3658 /* Update spy records */
3659 wireless_spy_update(ai->dev, sa, &wstats);
3661 #endif /* WIRELESS_SPY */
3663 skb->ip_summed = CHECKSUM_NONE;
3664 skb->protocol = eth_type_trans(skb, ai->dev);
3665 skb->dev->last_rx = jiffies;
3669 if (rxd.valid == 0) {
3673 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3677 void mpi_receive_802_11 (struct airo_info *ai)
3680 struct sk_buff *skb = NULL;
3681 u16 fc, len, hdrlen = 0;
3693 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3695 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3696 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3698 /* Bad CRC. Ignore packet */
3699 if (le16_to_cpu(hdr.status) & 2)
3701 if (ai->wifidev == NULL)
3703 len = le16_to_cpu(hdr.len);
3704 if (len > AIRO_DEF_MTU) {
3705 airo_print_err(ai->dev->name, "Bad size %d", len);
3711 memcpy ((char *)&fc, ptr, sizeof(fc));
3712 fc = le16_to_cpu(fc);
3715 if ((fc & 0xe0) == 0xc0)
3721 if ((fc&0x300)==0x300){
3729 skb = dev_alloc_skb( len + hdrlen + 2 );
3731 ai->stats.rx_dropped++;
3734 buffer = (u16*)skb_put (skb, len + hdrlen);
3735 memcpy ((char *)buffer, ptr, hdrlen);
3739 memcpy ((char *)&gap, ptr, sizeof(gap));
3741 gap = le16_to_cpu(gap);
3746 airo_print_err(ai->dev->name,
3747 "gaplen too big. Problems will follow...");
3749 memcpy ((char *)buffer + hdrlen, ptr, len);
3751 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3752 if (ai->spy_data.spy_number > 0) {
3754 struct iw_quality wstats;
3755 /* Prepare spy data : addr + qual */
3756 sa = (char*)buffer + 10;
3757 wstats.qual = hdr.rssi[0];
3759 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3761 wstats.level = (hdr.rssi[1] + 321) / 2;
3762 wstats.noise = ai->wstats.qual.noise;
3763 wstats.updated = IW_QUAL_QUAL_UPDATED
3764 | IW_QUAL_LEVEL_UPDATED
3766 /* Update spy records */
3767 wireless_spy_update(ai->dev, sa, &wstats);
3769 #endif /* IW_WIRELESS_SPY */
3770 skb_reset_mac_header(skb);
3771 skb->pkt_type = PACKET_OTHERHOST;
3772 skb->dev = ai->wifidev;
3773 skb->protocol = htons(ETH_P_802_2);
3774 skb->dev->last_rx = jiffies;
3775 skb->ip_summed = CHECKSUM_NONE;
3778 if (rxd.valid == 0) {
3782 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3786 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3797 memset( &mySsid, 0, sizeof( mySsid ) );
3801 /* The NOP is the first step in getting the card going */
3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3804 if (lock && down_interruptible(&ai->sem))
3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3811 disable_MAC( ai, 0);
3813 // Let's figure out if we need to use the AUX port
3814 if (!test_bit(FLAG_MPI,&ai->flags)) {
3815 cmd.cmd = CMD_ENABLEAUX;
3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3819 airo_print_err(ai->dev->name, "Error checking for AUX port");
3822 if (!aux_bap || rsp.status & 0xff00) {
3823 ai->bap_read = fast_bap_read;
3824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3826 ai->bap_read = aux_bap_read;
3827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3832 if (ai->config.len == 0) {
3833 tdsRssiRid rssi_rid;
3834 CapabilityRid cap_rid;
3840 // general configuration (read/modify/write)
3841 status = readConfigRid(ai, lock);
3842 if ( status != SUCCESS ) return ERROR;
3844 status = readCapabilityRid(ai, &cap_rid, lock);
3845 if ( status != SUCCESS ) return ERROR;
3847 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3848 if ( status == SUCCESS ) {
3849 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3850 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3855 if (cap_rid.softCap & 8)
3856 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3858 airo_print_warn(ai->dev->name, "unknown received signal "
3861 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3862 ai->config.authType = AUTH_OPEN;
3863 ai->config.modulation = MOD_CCK;
3865 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3866 (micsetup(ai) == SUCCESS)) {
3867 ai->config.opmode |= MODE_MIC;
3868 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3871 /* Save off the MAC */
3872 for( i = 0; i < ETH_ALEN; i++ ) {
3873 mac[i] = ai->config.macAddr[i];
3876 /* Check to see if there are any insmod configured
3880 memset(ai->config.rates,0,sizeof(ai->config.rates));
3881 for( i = 0; i < 8 && rates[i]; i++ ) {
3882 ai->config.rates[i] = rates[i];
3885 if ( basic_rate > 0 ) {
3887 for( i = 0; i < 8; i++ ) {
3888 if ( ai->config.rates[i] == basic_rate ||
3889 !ai->config.rates ) {
3890 ai->config.rates[i] = basic_rate | 0x80;
3895 set_bit (FLAG_COMMIT, &ai->flags);
3898 /* Setup the SSIDs if present */
3901 for( i = 0; i < 3 && ssids[i]; i++ ) {
3902 mySsid.ssids[i].len = strlen(ssids[i]);
3903 if ( mySsid.ssids[i].len > 32 )
3904 mySsid.ssids[i].len = 32;
3905 memcpy(mySsid.ssids[i].ssid, ssids[i],
3906 mySsid.ssids[i].len);
3908 mySsid.len = sizeof(mySsid);
3911 status = writeConfigRid(ai, lock);
3912 if ( status != SUCCESS ) return ERROR;
3914 /* Set up the SSID list */
3916 status = writeSsidRid(ai, &mySsid, lock);
3917 if ( status != SUCCESS ) return ERROR;
3920 status = enable_MAC(ai, lock);
3921 if (status != SUCCESS)
3924 /* Grab the initial wep key, we gotta save it for auto_wep */
3925 rc = readWepKeyRid(ai, &wkr, 1, lock);
3926 if (rc == SUCCESS) do {
3927 lastindex = wkr.kindex;
3928 if (wkr.kindex == 0xffff) {
3929 ai->defindex = wkr.mac[0];
3931 rc = readWepKeyRid(ai, &wkr, 0, lock);
3932 } while(lastindex != wkr.kindex);
3939 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3940 // Im really paranoid about letting it run forever!
3941 int max_tries = 600000;
3943 if (IN4500(ai, EVSTAT) & EV_CMD)
3944 OUT4500(ai, EVACK, EV_CMD);
3946 OUT4500(ai, PARAM0, pCmd->parm0);
3947 OUT4500(ai, PARAM1, pCmd->parm1);
3948 OUT4500(ai, PARAM2, pCmd->parm2);
3949 OUT4500(ai, COMMAND, pCmd->cmd);
3951 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3952 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3953 // PC4500 didn't notice command, try again
3954 OUT4500(ai, COMMAND, pCmd->cmd);
3955 if (!in_atomic() && (max_tries & 255) == 0)
3959 if ( max_tries == -1 ) {
3960 airo_print_err(ai->dev->name,
3961 "Max tries exceeded when issueing command");
3962 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3967 // command completed
3968 pRsp->status = IN4500(ai, STATUS);
3969 pRsp->rsp0 = IN4500(ai, RESP0);
3970 pRsp->rsp1 = IN4500(ai, RESP1);
3971 pRsp->rsp2 = IN4500(ai, RESP2);
3972 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3973 airo_print_err(ai->dev->name,
3974 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3975 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3978 // clear stuck command busy if necessary
3979 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3980 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3982 // acknowledge processing the status/response
3983 OUT4500(ai, EVACK, EV_CMD);
3988 /* Sets up the bap to start exchange data. whichbap should
3989 * be one of the BAP0 or BAP1 defines. Locks should be held before
3991 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3996 OUT4500(ai, SELECT0+whichbap, rid);
3997 OUT4500(ai, OFFSET0+whichbap, offset);
3999 int status = IN4500(ai, OFFSET0+whichbap);
4000 if (status & BAP_BUSY) {
4001 /* This isn't really a timeout, but its kinda
4006 } else if ( status & BAP_ERR ) {
4007 /* invalid rid or offset */
4008 airo_print_err(ai->dev->name, "BAP error %x %d",
4011 } else if (status & BAP_DONE) { // success
4014 if ( !(max_tries--) ) {
4015 airo_print_err(ai->dev->name,
4016 "BAP setup error too many retries\n");
4019 // -- PC4500 missed it, try again
4020 OUT4500(ai, SELECT0+whichbap, rid);
4021 OUT4500(ai, OFFSET0+whichbap, offset);
4026 /* should only be called by aux_bap_read. This aux function and the
4027 following use concepts not documented in the developers guide. I
4028 got them from a patch given to my by Aironet */
4029 static u16 aux_setup(struct airo_info *ai, u16 page,
4030 u16 offset, u16 *len)
4034 OUT4500(ai, AUXPAGE, page);
4035 OUT4500(ai, AUXOFF, 0);
4036 next = IN4500(ai, AUXDATA);
4037 *len = IN4500(ai, AUXDATA)&0xff;
4038 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4042 /* requires call to bap_setup() first */
4043 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4044 int bytelen, int whichbap)
4052 unsigned long flags;
4054 spin_lock_irqsave(&ai->aux_lock, flags);
4055 page = IN4500(ai, SWS0+whichbap);
4056 offset = IN4500(ai, SWS2+whichbap);
4057 next = aux_setup(ai, page, offset, &len);
4058 words = (bytelen+1)>>1;
4060 for (i=0; i<words;) {
4062 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4064 insw( ai->dev->base_addr+DATA0+whichbap,
4067 insb( ai->dev->base_addr+DATA0+whichbap,
4068 pu16Dst+i, count << 1 );
4071 next = aux_setup(ai, next, 4, &len);
4074 spin_unlock_irqrestore(&ai->aux_lock, flags);
4079 /* requires call to bap_setup() first */
4080 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4081 int bytelen, int whichbap)
4083 bytelen = (bytelen + 1) & (~1); // round up to even value
4085 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4087 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4091 /* requires call to bap_setup() first */
4092 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4093 int bytelen, int whichbap)
4095 bytelen = (bytelen + 1) & (~1); // round up to even value
4097 outsw( ai->dev->base_addr+DATA0+whichbap,
4098 pu16Src, bytelen>>1 );
4100 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4104 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4106 Cmd cmd; /* for issuing commands */
4107 Resp rsp; /* response from commands */
4110 memset(&cmd, 0, sizeof(cmd));
4113 status = issuecommand(ai, &cmd, &rsp);
4114 if (status != 0) return status;
4115 if ( (rsp.status & 0x7F00) != 0) {
4116 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4121 /* Note, that we are using BAP1 which is also used by transmit, so
4122 * we must get a lock. */
4123 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4129 if (down_interruptible(&ai->sem))
4132 if (test_bit(FLAG_MPI,&ai->flags)) {
4136 memset(&cmd, 0, sizeof(cmd));
4137 memset(&rsp, 0, sizeof(rsp));
4138 ai->config_desc.rid_desc.valid = 1;
4139 ai->config_desc.rid_desc.len = RIDSIZE;
4140 ai->config_desc.rid_desc.rid = 0;
4141 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4143 cmd.cmd = CMD_ACCESS;
4146 memcpy_toio(ai->config_desc.card_ram_off,
4147 &ai->config_desc.rid_desc, sizeof(Rid));
4149 rc = issuecommand(ai, &cmd, &rsp);
4151 if (rsp.status & 0x7f00)
4154 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4157 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4161 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4165 // read the rid length field
4166 bap_read(ai, pBuf, 2, BAP1);
4167 // length for remaining part of rid
4168 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4171 airo_print_err(ai->dev->name,
4172 "Rid %x has a length of %d which is too short",
4173 (int)rid, (int)len );
4177 // read remainder of the rid
4178 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4186 /* Note, that we are using BAP1 which is also used by transmit, so
4187 * make sure this isnt called when a transmit is happening */
4188 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4189 const void *pBuf, int len, int lock)
4194 *(u16*)pBuf = cpu_to_le16((u16)len);
4197 if (down_interruptible(&ai->sem))
4200 if (test_bit(FLAG_MPI,&ai->flags)) {
4204 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4205 airo_print_err(ai->dev->name,
4206 "%s: MAC should be disabled (rid=%04x)",
4208 memset(&cmd, 0, sizeof(cmd));
4209 memset(&rsp, 0, sizeof(rsp));
4211 ai->config_desc.rid_desc.valid = 1;
4212 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4213 ai->config_desc.rid_desc.rid = 0;
4215 cmd.cmd = CMD_WRITERID;
4218 memcpy_toio(ai->config_desc.card_ram_off,
4219 &ai->config_desc.rid_desc, sizeof(Rid));
4221 if (len < 4 || len > 2047) {
4222 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4225 memcpy((char *)ai->config_desc.virtual_host_addr,
4228 rc = issuecommand(ai, &cmd, &rsp);
4229 if ((rc & 0xff00) != 0) {
4230 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4232 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4233 __FUNCTION__, cmd.cmd);
4236 if ((rsp.status & 0x7f00))
4240 // --- first access so that we can write the rid data
4241 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4245 // --- now write the rid data
4246 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4250 bap_write(ai, pBuf, len, BAP1);
4251 // ---now commit the rid data
4252 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4260 /* Allocates a FID to be used for transmitting packets. We only use
4262 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4264 unsigned int loop = 3000;
4270 cmd.cmd = CMD_ALLOCATETX;
4271 cmd.parm0 = lenPayload;
4272 if (down_interruptible(&ai->sem))
4274 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4278 if ( (rsp.status & 0xFF00) != 0) {
4282 /* wait for the allocate event/indication
4283 * It makes me kind of nervous that this can just sit here and spin,
4284 * but in practice it only loops like four times. */
4285 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4291 // get the allocated fid and acknowledge
4292 txFid = IN4500(ai, TXALLOCFID);
4293 OUT4500(ai, EVACK, EV_ALLOC);
4295 /* The CARD is pretty cool since it converts the ethernet packet
4296 * into 802.11. Also note that we don't release the FID since we
4297 * will be using the same one over and over again. */
4298 /* We only have to setup the control once since we are not
4299 * releasing the fid. */
4301 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4302 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4304 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4305 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4306 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4309 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4317 /* In general BAP1 is dedicated to transmiting packets. However,
4318 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4319 Make sure the BAP1 spinlock is held when this is called. */
4320 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4331 if (len <= ETH_ALEN * 2) {
4332 airo_print_warn(ai->dev->name, "Short packet %d", len);
4335 len -= ETH_ALEN * 2;
4337 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4338 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4339 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4341 miclen = sizeof(pMic);
4343 // packet is destination[6], source[6], payload[len-12]
4344 // write the payload length and dst/src/payload
4345 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4346 /* The hardware addresses aren't counted as part of the payload, so
4347 * we have to subtract the 12 bytes for the addresses off */
4348 payloadLen = cpu_to_le16(len + miclen);
4349 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4350 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4352 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4353 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4354 // issue the transmit command
4355 memset( &cmd, 0, sizeof( cmd ) );
4356 cmd.cmd = CMD_TRANSMIT;
4358 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4359 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4363 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4378 fc = le16_to_cpu(*(const u16*)pPacket);
4381 if ((fc & 0xe0) == 0xc0)
4387 if ((fc&0x300)==0x300){
4396 airo_print_warn(ai->dev->name, "Short packet %d", len);
4400 /* packet is 802.11 header + payload
4401 * write the payload length and dst/src/payload */
4402 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4403 /* The 802.11 header aren't counted as part of the payload, so
4404 * we have to subtract the header bytes off */
4405 payloadLen = cpu_to_le16(len-hdrlen);
4406 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4407 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4408 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4409 bap_write(ai, hdrlen == 30 ?
4410 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4412 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4413 // issue the transmit command
4414 memset( &cmd, 0, sizeof( cmd ) );
4415 cmd.cmd = CMD_TRANSMIT;
4417 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4418 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4423 * This is the proc_fs routines. It is a bit messier than I would
4424 * like! Feel free to clean it up!
4427 static ssize_t proc_read( struct file *file,
4428 char __user *buffer,
4432 static ssize_t proc_write( struct file *file,
4433 const char __user *buffer,
4436 static int proc_close( struct inode *inode, struct file *file );
4438 static int proc_stats_open( struct inode *inode, struct file *file );
4439 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4440 static int proc_status_open( struct inode *inode, struct file *file );
4441 static int proc_SSID_open( struct inode *inode, struct file *file );
4442 static int proc_APList_open( struct inode *inode, struct file *file );
4443 static int proc_BSSList_open( struct inode *inode, struct file *file );
4444 static int proc_config_open( struct inode *inode, struct file *file );
4445 static int proc_wepkey_open( struct inode *inode, struct file *file );
4447 static const struct file_operations proc_statsdelta_ops = {
4449 .open = proc_statsdelta_open,
4450 .release = proc_close
4453 static const struct file_operations proc_stats_ops = {
4455 .open = proc_stats_open,
4456 .release = proc_close
4459 static const struct file_operations proc_status_ops = {
4461 .open = proc_status_open,
4462 .release = proc_close
4465 static const struct file_operations proc_SSID_ops = {
4467 .write = proc_write,
4468 .open = proc_SSID_open,
4469 .release = proc_close
4472 static const struct file_operations proc_BSSList_ops = {
4474 .write = proc_write,
4475 .open = proc_BSSList_open,
4476 .release = proc_close
4479 static const struct file_operations proc_APList_ops = {
4481 .write = proc_write,
4482 .open = proc_APList_open,
4483 .release = proc_close
4486 static const struct file_operations proc_config_ops = {
4488 .write = proc_write,
4489 .open = proc_config_open,
4490 .release = proc_close
4493 static const struct file_operations proc_wepkey_ops = {
4495 .write = proc_write,
4496 .open = proc_wepkey_open,
4497 .release = proc_close
4500 static struct proc_dir_entry *airo_entry;
4509 void (*on_close) (struct inode *, struct file *);
4513 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4516 static int setup_proc_entry( struct net_device *dev,
4517 struct airo_info *apriv ) {
4518 struct proc_dir_entry *entry;
4519 /* First setup the device directory */
4520 strcpy(apriv->proc_name,dev->name);
4521 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4524 if (!apriv->proc_entry)
4526 apriv->proc_entry->uid = proc_uid;
4527 apriv->proc_entry->gid = proc_gid;
4528 apriv->proc_entry->owner = THIS_MODULE;
4530 /* Setup the StatsDelta */
4531 entry = create_proc_entry("StatsDelta",
4532 S_IFREG | (S_IRUGO&proc_perm),
4535 goto fail_stats_delta;
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4539 entry->owner = THIS_MODULE;
4540 SETPROC_OPS(entry, proc_statsdelta_ops);
4542 /* Setup the Stats */
4543 entry = create_proc_entry("Stats",
4544 S_IFREG | (S_IRUGO&proc_perm),
4548 entry->uid = proc_uid;
4549 entry->gid = proc_gid;
4551 entry->owner = THIS_MODULE;
4552 SETPROC_OPS(entry, proc_stats_ops);
4554 /* Setup the Status */
4555 entry = create_proc_entry("Status",
4556 S_IFREG | (S_IRUGO&proc_perm),
4560 entry->uid = proc_uid;
4561 entry->gid = proc_gid;
4563 entry->owner = THIS_MODULE;
4564 SETPROC_OPS(entry, proc_status_ops);
4566 /* Setup the Config */
4567 entry = create_proc_entry("Config",
4568 S_IFREG | proc_perm,
4572 entry->uid = proc_uid;
4573 entry->gid = proc_gid;
4575 entry->owner = THIS_MODULE;
4576 SETPROC_OPS(entry, proc_config_ops);
4578 /* Setup the SSID */
4579 entry = create_proc_entry("SSID",
4580 S_IFREG | proc_perm,
4584 entry->uid = proc_uid;
4585 entry->gid = proc_gid;
4587 entry->owner = THIS_MODULE;
4588 SETPROC_OPS(entry, proc_SSID_ops);
4590 /* Setup the APList */
4591 entry = create_proc_entry("APList",
4592 S_IFREG | proc_perm,
4596 entry->uid = proc_uid;
4597 entry->gid = proc_gid;
4599 entry->owner = THIS_MODULE;
4600 SETPROC_OPS(entry, proc_APList_ops);
4602 /* Setup the BSSList */
4603 entry = create_proc_entry("BSSList",
4604 S_IFREG | proc_perm,
4608 entry->uid = proc_uid;
4609 entry->gid = proc_gid;
4611 entry->owner = THIS_MODULE;
4612 SETPROC_OPS(entry, proc_BSSList_ops);
4614 /* Setup the WepKey */
4615 entry = create_proc_entry("WepKey",
4616 S_IFREG | proc_perm,
4620 entry->uid = proc_uid;
4621 entry->gid = proc_gid;
4623 entry->owner = THIS_MODULE;
4624 SETPROC_OPS(entry, proc_wepkey_ops);
4629 remove_proc_entry("BSSList", apriv->proc_entry);
4631 remove_proc_entry("APList", apriv->proc_entry);
4633 remove_proc_entry("SSID", apriv->proc_entry);
4635 remove_proc_entry("Config", apriv->proc_entry);
4637 remove_proc_entry("Status", apriv->proc_entry);
4639 remove_proc_entry("Stats", apriv->proc_entry);
4641 remove_proc_entry("StatsDelta", apriv->proc_entry);
4643 remove_proc_entry(apriv->proc_name, airo_entry);
4648 static int takedown_proc_entry( struct net_device *dev,
4649 struct airo_info *apriv ) {
4650 if ( !apriv->proc_entry->namelen ) return 0;
4651 remove_proc_entry("Stats",apriv->proc_entry);
4652 remove_proc_entry("StatsDelta",apriv->proc_entry);
4653 remove_proc_entry("Status",apriv->proc_entry);
4654 remove_proc_entry("Config",apriv->proc_entry);
4655 remove_proc_entry("SSID",apriv->proc_entry);
4656 remove_proc_entry("APList",apriv->proc_entry);
4657 remove_proc_entry("BSSList",apriv->proc_entry);
4658 remove_proc_entry("WepKey",apriv->proc_entry);
4659 remove_proc_entry(apriv->proc_name,airo_entry);
4664 * What we want from the proc_fs is to be able to efficiently read
4665 * and write the configuration. To do this, we want to read the
4666 * configuration when the file is opened and write it when the file is
4667 * closed. So basically we allocate a read buffer at open and fill it
4668 * with data, and allocate a write buffer and read it at close.
4672 * The read routine is generic, it relies on the preallocated rbuffer
4673 * to supply the data.
4675 static ssize_t proc_read( struct file *file,
4676 char __user *buffer,
4680 loff_t pos = *offset;
4681 struct proc_data *priv = (struct proc_data*)file->private_data;
4688 if (pos >= priv->readlen)
4690 if (len > priv->readlen - pos)
4691 len = priv->readlen - pos;
4692 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4694 *offset = pos + len;
4699 * The write routine is generic, it fills in a preallocated rbuffer
4700 * to supply the data.
4702 static ssize_t proc_write( struct file *file,
4703 const char __user *buffer,
4707 loff_t pos = *offset;
4708 struct proc_data *priv = (struct proc_data*)file->private_data;
4715 if (pos >= priv->maxwritelen)
4717 if (len > priv->maxwritelen - pos)
4718 len = priv->maxwritelen - pos;
4719 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4721 if ( pos + len > priv->writelen )
4722 priv->writelen = len + file->f_pos;
4723 *offset = pos + len;
4727 static int proc_status_open( struct inode *inode, struct file *file ) {
4728 struct proc_data *data;
4729 struct proc_dir_entry *dp = PDE(inode);
4730 struct net_device *dev = dp->data;
4731 struct airo_info *apriv = dev->priv;
4732 CapabilityRid cap_rid;
4733 StatusRid status_rid;
4736 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4738 data = (struct proc_data *)file->private_data;
4739 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4740 kfree (file->private_data);
4744 readStatusRid(apriv, &status_rid, 1);
4745 readCapabilityRid(apriv, &cap_rid, 1);
4747 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4748 status_rid.mode & 1 ? "CFG ": "",
4749 status_rid.mode & 2 ? "ACT ": "",
4750 status_rid.mode & 0x10 ? "SYN ": "",
4751 status_rid.mode & 0x20 ? "LNK ": "",
4752 status_rid.mode & 0x40 ? "LEAP ": "",
4753 status_rid.mode & 0x80 ? "PRIV ": "",
4754 status_rid.mode & 0x100 ? "KEY ": "",
4755 status_rid.mode & 0x200 ? "WEP ": "",
4756 status_rid.mode & 0x8000 ? "ERR ": "");
4757 sprintf( data->rbuffer+i, "Mode: %x\n"
4758 "Signal Strength: %d\n"
4759 "Signal Quality: %d\n"
4764 "Driver Version: %s\n"
4765 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4766 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4767 "Software Version: %x\nSoftware Subversion: %x\n"
4768 "Boot block version: %x\n",
4769 (int)status_rid.mode,
4770 (int)status_rid.normalizedSignalStrength,
4771 (int)status_rid.signalQuality,
4772 (int)status_rid.SSIDlen,
4775 (int)status_rid.channel,
4776 (int)status_rid.currentXmitRate/2,
4784 (int)cap_rid.softVer,
4785 (int)cap_rid.softSubVer,
4786 (int)cap_rid.bootBlockVer );
4787 data->readlen = strlen( data->rbuffer );
4791 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4792 static int proc_statsdelta_open( struct inode *inode,
4793 struct file *file ) {
4794 if (file->f_mode&FMODE_WRITE) {
4795 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4797 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4800 static int proc_stats_open( struct inode *inode, struct file *file ) {
4801 return proc_stats_rid_open(inode, file, RID_STATS);
4804 static int proc_stats_rid_open( struct inode *inode,
4807 struct proc_data *data;
4808 struct proc_dir_entry *dp = PDE(inode);
4809 struct net_device *dev = dp->data;
4810 struct airo_info *apriv = dev->priv;
4813 u32 *vals = stats.vals;
4815 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4817 data = (struct proc_data *)file->private_data;
4818 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4819 kfree (file->private_data);
4823 readStatsRid(apriv, &stats, rid, 1);
4826 for(i=0; statsLabels[i]!=(char *)-1 &&
4827 i*4<stats.len; i++){
4828 if (!statsLabels[i]) continue;
4829 if (j+strlen(statsLabels[i])+16>4096) {
4830 airo_print_warn(apriv->dev->name,
4831 "Potentially disasterous buffer overflow averted!");
4834 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4836 if (i*4>=stats.len){
4837 airo_print_warn(apriv->dev->name, "Got a short rid");
4843 static int get_dec_u16( char *buffer, int *start, int limit ) {
4846 for( value = 0; buffer[*start] >= '0' &&
4847 buffer[*start] <= '9' &&
4848 *start < limit; (*start)++ ) {
4851 value += buffer[*start] - '0';
4853 if ( !valid ) return -1;
4857 static int airo_config_commit(struct net_device *dev,
4858 struct iw_request_info *info, void *zwrq,
4861 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4862 struct proc_data *data = file->private_data;
4863 struct proc_dir_entry *dp = PDE(inode);
4864 struct net_device *dev = dp->data;
4865 struct airo_info *ai = dev->priv;
4868 if ( !data->writelen ) return;
4870 readConfigRid(ai, 1);
4871 set_bit (FLAG_COMMIT, &ai->flags);
4873 line = data->wbuffer;
4875 /*** Mode processing */
4876 if ( !strncmp( line, "Mode: ", 6 ) ) {
4878 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4879 set_bit (FLAG_RESET, &ai->flags);
4880 ai->config.rmode &= 0xfe00;
4881 clear_bit (FLAG_802_11, &ai->flags);
4882 ai->config.opmode &= 0xFF00;
4883 ai->config.scanMode = SCANMODE_ACTIVE;
4884 if ( line[0] == 'a' ) {
4885 ai->config.opmode |= 0;
4887 ai->config.opmode |= 1;
4888 if ( line[0] == 'r' ) {
4889 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4890 ai->config.scanMode = SCANMODE_PASSIVE;
4891 set_bit (FLAG_802_11, &ai->flags);
4892 } else if ( line[0] == 'y' ) {
4893 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4894 ai->config.scanMode = SCANMODE_PASSIVE;
4895 set_bit (FLAG_802_11, &ai->flags);
4896 } else if ( line[0] == 'l' )
4897 ai->config.rmode |= RXMODE_LANMON;
4899 set_bit (FLAG_COMMIT, &ai->flags);
4902 /*** Radio status */
4903 else if (!strncmp(line,"Radio: ", 7)) {
4905 if (!strncmp(line,"off",3)) {
4906 set_bit (FLAG_RADIO_OFF, &ai->flags);
4908 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4911 /*** NodeName processing */
4912 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4916 memset( ai->config.nodeName, 0, 16 );
4917 /* Do the name, assume a space between the mode and node name */
4918 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4919 ai->config.nodeName[j] = line[j];
4921 set_bit (FLAG_COMMIT, &ai->flags);
4924 /*** PowerMode processing */
4925 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4927 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4928 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4929 set_bit (FLAG_COMMIT, &ai->flags);
4930 } else if ( !strncmp( line, "PSP", 3 ) ) {
4931 ai->config.powerSaveMode = POWERSAVE_PSP;
4932 set_bit (FLAG_COMMIT, &ai->flags);
4934 ai->config.powerSaveMode = POWERSAVE_CAM;
4935 set_bit (FLAG_COMMIT, &ai->flags);
4937 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4938 int v, i = 0, k = 0; /* i is index into line,
4939 k is index to rates */
4942 while((v = get_dec_u16(line, &i, 3))!=-1) {
4943 ai->config.rates[k++] = (u8)v;
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4951 v = get_dec_u16(line, &i, i+3);
4953 ai->config.channelSet = (u16)v;
4954 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4959 v = get_dec_u16(line, &i, i+3);
4961 ai->config.txPower = (u16)v;
4962 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4968 ai->config.authType = (u16)AUTH_SHAREDKEY;
4971 ai->config.authType = (u16)AUTH_ENCRYPT;
4974 ai->config.authType = (u16)AUTH_OPEN;
4977 set_bit (FLAG_COMMIT, &ai->flags);
4978 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4982 v = get_dec_u16(line, &i, 3);
4983 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4984 ai->config.longRetryLimit = (u16)v;
4985 set_bit (FLAG_COMMIT, &ai->flags);
4986 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4990 v = get_dec_u16(line, &i, 3);
4991 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4992 ai->config.shortRetryLimit = (u16)v;
4993 set_bit (FLAG_COMMIT, &ai->flags);
4994 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4998 v = get_dec_u16(line, &i, 4);
4999 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5000 ai->config.rtsThres = (u16)v;
5001 set_bit (FLAG_COMMIT, &ai->flags);
5002 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
5006 v = get_dec_u16(line, &i, 5);
5008 ai->config.txLifetime = (u16)v;
5009 set_bit (FLAG_COMMIT, &ai->flags);
5010 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5014 v = get_dec_u16(line, &i, 5);
5016 ai->config.rxLifetime = (u16)v;
5017 set_bit (FLAG_COMMIT, &ai->flags);
5018 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5019 ai->config.txDiversity =
5020 (line[13]=='l') ? 1 :
5021 ((line[13]=='r')? 2: 3);
5022 set_bit (FLAG_COMMIT, &ai->flags);
5023 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5024 ai->config.rxDiversity =
5025 (line[13]=='l') ? 1 :
5026 ((line[13]=='r')? 2: 3);
5027 set_bit (FLAG_COMMIT, &ai->flags);
5028 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5032 v = get_dec_u16(line, &i, 4);
5033 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5034 v = v & 0xfffe; /* Make sure its even */
5035 ai->config.fragThresh = (u16)v;
5036 set_bit (FLAG_COMMIT, &ai->flags);
5037 } else if (!strncmp(line, "Modulation: ", 12)) {
5040 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5042 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5043 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5045 } else if (!strncmp(line, "Preamble: ", 10)) {
5048 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5049 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5050 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5051 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5054 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5056 while( line[0] && line[0] != '\n' ) line++;
5057 if ( line[0] ) line++;
5059 airo_config_commit(dev, NULL, NULL, NULL);
5062 static char *get_rmode(u16 mode) {
5064 case RXMODE_RFMON: return "rfmon";
5065 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5066 case RXMODE_LANMON: return "lanmon";
5071 static int proc_config_open( struct inode *inode, struct file *file ) {
5072 struct proc_data *data;
5073 struct proc_dir_entry *dp = PDE(inode);
5074 struct net_device *dev = dp->data;
5075 struct airo_info *ai = dev->priv;
5078 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5080 data = (struct proc_data *)file->private_data;
5081 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5082 kfree (file->private_data);
5085 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5086 kfree (data->rbuffer);
5087 kfree (file->private_data);
5090 data->maxwritelen = 2048;
5091 data->on_close = proc_config_on_close;
5093 readConfigRid(ai, 1);
5095 i = sprintf( data->rbuffer,
5100 "DataRates: %d %d %d %d %d %d %d %d\n"
5103 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5104 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5105 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5106 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5107 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5108 ai->config.nodeName,
5109 ai->config.powerSaveMode == 0 ? "CAM" :
5110 ai->config.powerSaveMode == 1 ? "PSP" :
5111 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5112 (int)ai->config.rates[0],
5113 (int)ai->config.rates[1],
5114 (int)ai->config.rates[2],
5115 (int)ai->config.rates[3],
5116 (int)ai->config.rates[4],
5117 (int)ai->config.rates[5],
5118 (int)ai->config.rates[6],
5119 (int)ai->config.rates[7],
5120 (int)ai->config.channelSet,
5121 (int)ai->config.txPower
5123 sprintf( data->rbuffer + i,
5124 "LongRetryLimit: %d\n"
5125 "ShortRetryLimit: %d\n"
5126 "RTSThreshold: %d\n"
5127 "TXMSDULifetime: %d\n"
5128 "RXMSDULifetime: %d\n"
5131 "FragThreshold: %d\n"
5135 (int)ai->config.longRetryLimit,
5136 (int)ai->config.shortRetryLimit,
5137 (int)ai->config.rtsThres,
5138 (int)ai->config.txLifetime,
5139 (int)ai->config.rxLifetime,
5140 ai->config.txDiversity == 1 ? "left" :
5141 ai->config.txDiversity == 2 ? "right" : "both",
5142 ai->config.rxDiversity == 1 ? "left" :
5143 ai->config.rxDiversity == 2 ? "right" : "both",
5144 (int)ai->config.fragThresh,
5145 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5146 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5147 ai->config.modulation == 0 ? "default" :
5148 ai->config.modulation == MOD_CCK ? "cck" :
5149 ai->config.modulation == MOD_MOK ? "mok" : "error",
5150 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5151 ai->config.preamble == PREAMBLE_LONG ? "long" :
5152 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5154 data->readlen = strlen( data->rbuffer );
5158 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5159 struct proc_data *data = (struct proc_data *)file->private_data;
5160 struct proc_dir_entry *dp = PDE(inode);
5161 struct net_device *dev = dp->data;
5162 struct airo_info *ai = dev->priv;
5167 if ( !data->writelen ) return;
5169 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5171 for( i = 0; i < 3; i++ ) {
5173 for( j = 0; j+offset < data->writelen && j < 32 &&
5174 data->wbuffer[offset+j] != '\n'; j++ ) {
5175 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5177 if ( j == 0 ) break;
5178 SSID_rid.ssids[i].len = j;
5180 while( data->wbuffer[offset] != '\n' &&
5181 offset < data->writelen ) offset++;
5185 SSID_rid.len = sizeof(SSID_rid);
5187 writeSsidRid(ai, &SSID_rid, 1);
5191 static inline u8 hexVal(char c) {
5192 if (c>='0' && c<='9') return c -= '0';
5193 if (c>='a' && c<='f') return c -= 'a'-10;
5194 if (c>='A' && c<='F') return c -= 'A'-10;
5198 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5199 struct proc_data *data = (struct proc_data *)file->private_data;
5200 struct proc_dir_entry *dp = PDE(inode);
5201 struct net_device *dev = dp->data;
5202 struct airo_info *ai = dev->priv;
5203 APListRid APList_rid;
5206 if ( !data->writelen ) return;
5208 memset( &APList_rid, 0, sizeof(APList_rid) );
5209 APList_rid.len = sizeof(APList_rid);
5211 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5213 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5216 APList_rid.ap[i][j/3]=
5217 hexVal(data->wbuffer[j+i*6*3])<<4;
5220 APList_rid.ap[i][j/3]|=
5221 hexVal(data->wbuffer[j+i*6*3]);
5227 writeAPListRid(ai, &APList_rid, 1);
5231 /* This function wraps PC4500_writerid with a MAC disable */
5232 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5233 int len, int dummy ) {
5237 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5242 /* Returns the length of the key at the index. If index == 0xffff
5243 * the index of the transmit key is returned. If the key doesn't exist,
5244 * -1 will be returned.
5246 static int get_wep_key(struct airo_info *ai, u16 index) {
5251 rc = readWepKeyRid(ai, &wkr, 1, 1);
5252 if (rc == SUCCESS) do {
5253 lastindex = wkr.kindex;
5254 if (wkr.kindex == index) {
5255 if (index == 0xffff) {
5260 readWepKeyRid(ai, &wkr, 0, 1);
5261 } while(lastindex != wkr.kindex);
5265 static int set_wep_key(struct airo_info *ai, u16 index,
5266 const char *key, u16 keylen, int perm, int lock ) {
5267 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5270 memset(&wkr, 0, sizeof(wkr));
5272 // We are selecting which key to use
5273 wkr.len = sizeof(wkr);
5274 wkr.kindex = 0xffff;
5275 wkr.mac[0] = (char)index;
5276 if (perm) ai->defindex = (char)index;
5278 // We are actually setting the key
5279 wkr.len = sizeof(wkr);
5282 memcpy( wkr.key, key, keylen );
5283 memcpy( wkr.mac, macaddr, ETH_ALEN );
5286 if (perm) disable_MAC(ai, lock);
5287 writeWepKeyRid(ai, &wkr, perm, lock);
5288 if (perm) enable_MAC(ai, lock);
5292 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5293 struct proc_data *data;
5294 struct proc_dir_entry *dp = PDE(inode);
5295 struct net_device *dev = dp->data;
5296 struct airo_info *ai = dev->priv;
5302 memset(key, 0, sizeof(key));
5304 data = (struct proc_data *)file->private_data;
5305 if ( !data->writelen ) return;
5307 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5308 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5309 index = data->wbuffer[0] - '0';
5310 if (data->wbuffer[1] == '\n') {
5311 set_wep_key(ai, index, NULL, 0, 1, 1);
5316 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5320 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5323 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5326 key[i/3] |= hexVal(data->wbuffer[i+j]);
5330 set_wep_key(ai, index, key, i/3, 1, 1);
5333 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5334 struct proc_data *data;
5335 struct proc_dir_entry *dp = PDE(inode);
5336 struct net_device *dev = dp->data;
5337 struct airo_info *ai = dev->priv;
5344 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5346 memset(&wkr, 0, sizeof(wkr));
5347 data = (struct proc_data *)file->private_data;
5348 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5349 kfree (file->private_data);
5353 data->maxwritelen = 80;
5354 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5355 kfree (data->rbuffer);
5356 kfree (file->private_data);
5359 data->on_close = proc_wepkey_on_close;
5361 ptr = data->rbuffer;
5362 strcpy(ptr, "No wep keys\n");
5363 rc = readWepKeyRid(ai, &wkr, 1, 1);
5364 if (rc == SUCCESS) do {
5365 lastindex = wkr.kindex;
5366 if (wkr.kindex == 0xffff) {
5367 j += sprintf(ptr+j, "Tx key = %d\n",
5370 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5371 (int)wkr.kindex, (int)wkr.klen);
5373 readWepKeyRid(ai, &wkr, 0, 1);
5374 } while((lastindex != wkr.kindex) && (j < 180-30));
5376 data->readlen = strlen( data->rbuffer );
5380 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5381 struct proc_data *data;
5382 struct proc_dir_entry *dp = PDE(inode);
5383 struct net_device *dev = dp->data;
5384 struct airo_info *ai = dev->priv;
5389 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5391 data = (struct proc_data *)file->private_data;
5392 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5393 kfree (file->private_data);
5397 data->maxwritelen = 33*3;
5398 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5399 kfree (data->rbuffer);
5400 kfree (file->private_data);
5403 data->on_close = proc_SSID_on_close;
5405 readSsidRid(ai, &SSID_rid);
5406 ptr = data->rbuffer;
5407 for( i = 0; i < 3; i++ ) {
5409 if ( !SSID_rid.ssids[i].len ) break;
5410 for( j = 0; j < 32 &&
5411 j < SSID_rid.ssids[i].len &&
5412 SSID_rid.ssids[i].ssid[j]; j++ ) {
5413 *ptr++ = SSID_rid.ssids[i].ssid[j];
5418 data->readlen = strlen( data->rbuffer );
5422 static int proc_APList_open( struct inode *inode, struct file *file ) {
5423 struct proc_data *data;
5424 struct proc_dir_entry *dp = PDE(inode);
5425 struct net_device *dev = dp->data;
5426 struct airo_info *ai = dev->priv;
5429 APListRid APList_rid;
5431 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5433 data = (struct proc_data *)file->private_data;
5434 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5435 kfree (file->private_data);
5439 data->maxwritelen = 4*6*3;
5440 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5441 kfree (data->rbuffer);
5442 kfree (file->private_data);
5445 data->on_close = proc_APList_on_close;
5447 readAPListRid(ai, &APList_rid);
5448 ptr = data->rbuffer;
5449 for( i = 0; i < 4; i++ ) {
5450 // We end when we find a zero MAC
5451 if ( !*(int*)APList_rid.ap[i] &&
5452 !*(int*)&APList_rid.ap[i][2]) break;
5453 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5454 (int)APList_rid.ap[i][0],
5455 (int)APList_rid.ap[i][1],
5456 (int)APList_rid.ap[i][2],
5457 (int)APList_rid.ap[i][3],
5458 (int)APList_rid.ap[i][4],
5459 (int)APList_rid.ap[i][5]);
5461 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5464 data->readlen = strlen( data->rbuffer );
5468 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5469 struct proc_data *data;
5470 struct proc_dir_entry *dp = PDE(inode);
5471 struct net_device *dev = dp->data;
5472 struct airo_info *ai = dev->priv;
5474 BSSListRid BSSList_rid;
5476 /* If doLoseSync is not 1, we won't do a Lose Sync */
5477 int doLoseSync = -1;
5479 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5481 data = (struct proc_data *)file->private_data;
5482 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5483 kfree (file->private_data);
5487 data->maxwritelen = 0;
5488 data->wbuffer = NULL;
5489 data->on_close = NULL;
5491 if (file->f_mode & FMODE_WRITE) {
5492 if (!(file->f_mode & FMODE_READ)) {
5496 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5497 memset(&cmd, 0, sizeof(cmd));
5498 cmd.cmd=CMD_LISTBSS;
5499 if (down_interruptible(&ai->sem))
5500 return -ERESTARTSYS;
5501 issuecommand(ai, &cmd, &rsp);
5508 ptr = data->rbuffer;
5509 /* There is a race condition here if there are concurrent opens.
5510 Since it is a rare condition, we'll just live with it, otherwise
5511 we have to add a spin lock... */
5512 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5513 while(rc == 0 && BSSList_rid.index != 0xffff) {
5514 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5515 (int)BSSList_rid.bssid[0],
5516 (int)BSSList_rid.bssid[1],
5517 (int)BSSList_rid.bssid[2],
5518 (int)BSSList_rid.bssid[3],
5519 (int)BSSList_rid.bssid[4],
5520 (int)BSSList_rid.bssid[5],
5521 (int)BSSList_rid.ssidLen,
5523 (int)BSSList_rid.dBm);
5524 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5525 (int)BSSList_rid.dsChannel,
5526 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5527 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5528 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5529 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5530 rc = readBSSListRid(ai, 0, &BSSList_rid);
5533 data->readlen = strlen( data->rbuffer );
5537 static int proc_close( struct inode *inode, struct file *file )
5539 struct proc_data *data = file->private_data;
5541 if (data->on_close != NULL)
5542 data->on_close(inode, file);
5543 kfree(data->rbuffer);
5544 kfree(data->wbuffer);
5549 /* Since the card doesn't automatically switch to the right WEP mode,
5550 we will make it do it. If the card isn't associated, every secs we
5551 will switch WEP modes to see if that will help. If the card is
5552 associated we will check every minute to see if anything has
5554 static void timer_func( struct net_device *dev ) {
5555 struct airo_info *apriv = dev->priv;
5557 /* We don't have a link so try changing the authtype */
5558 readConfigRid(apriv, 0);
5559 disable_MAC(apriv, 0);
5560 switch(apriv->config.authType) {
5562 /* So drop to OPEN */
5563 apriv->config.authType = AUTH_OPEN;
5565 case AUTH_SHAREDKEY:
5566 if (apriv->keyindex < auto_wep) {
5567 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5568 apriv->config.authType = AUTH_SHAREDKEY;
5571 /* Drop to ENCRYPT */
5572 apriv->keyindex = 0;
5573 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5574 apriv->config.authType = AUTH_ENCRYPT;
5577 default: /* We'll escalate to SHAREDKEY */
5578 apriv->config.authType = AUTH_SHAREDKEY;
5580 set_bit (FLAG_COMMIT, &apriv->flags);
5581 writeConfigRid(apriv, 0);
5582 enable_MAC(apriv, 0);
5585 /* Schedule check to see if the change worked */
5586 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5587 apriv->expires = RUN_AT(HZ*3);
5591 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5592 const struct pci_device_id *pent)
5594 struct net_device *dev;
5596 if (pci_enable_device(pdev))
5598 pci_set_master(pdev);
5600 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5601 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5603 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5605 pci_disable_device(pdev);
5609 pci_set_drvdata(pdev, dev);
5613 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5615 struct net_device *dev = pci_get_drvdata(pdev);
5617 airo_print_info(dev->name, "Unregistering...");
5618 stop_airo_card(dev, 1);
5619 pci_disable_device(pdev);
5620 pci_set_drvdata(pdev, NULL);
5623 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5625 struct net_device *dev = pci_get_drvdata(pdev);
5626 struct airo_info *ai = dev->priv;
5630 if ((ai->APList == NULL) &&
5631 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5633 if ((ai->SSID == NULL) &&
5634 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5636 readAPListRid(ai, ai->APList);
5637 readSsidRid(ai, ai->SSID);
5638 memset(&cmd, 0, sizeof(cmd));
5639 /* the lock will be released at the end of the resume callback */
5640 if (down_interruptible(&ai->sem))
5643 netif_device_detach(dev);
5646 issuecommand(ai, &cmd, &rsp);
5648 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5649 pci_save_state(pdev);
5650 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5653 static int airo_pci_resume(struct pci_dev *pdev)
5655 struct net_device *dev = pci_get_drvdata(pdev);
5656 struct airo_info *ai = dev->priv;
5657 pci_power_t prev_state = pdev->current_state;
5659 pci_set_power_state(pdev, PCI_D0);
5660 pci_restore_state(pdev);
5661 pci_enable_wake(pdev, PCI_D0, 0);
5663 if (prev_state != PCI_D1) {
5665 mpi_init_descriptors(ai);
5666 setup_card(ai, dev->dev_addr, 0);
5667 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5668 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5670 OUT4500(ai, EVACK, EV_AWAKEN);
5671 OUT4500(ai, EVACK, EV_AWAKEN);
5675 set_bit (FLAG_COMMIT, &ai->flags);
5679 writeSsidRid(ai, ai->SSID, 0);
5684 writeAPListRid(ai, ai->APList, 0);
5688 writeConfigRid(ai, 0);
5690 ai->power = PMSG_ON;
5691 netif_device_attach(dev);
5692 netif_wake_queue(dev);
5693 enable_interrupts(ai);
5699 static int __init airo_init_module( void )
5703 int have_isa_dev = 0;
5706 airo_entry = create_proc_entry("aironet",
5707 S_IFDIR | airo_perm,
5711 airo_entry->uid = proc_uid;
5712 airo_entry->gid = proc_gid;
5715 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5716 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5717 "io=0x%x", irq[i], io[i] );
5718 if (init_airo_card( irq[i], io[i], 0, NULL ))
5727 airo_print_info("", "Probing for PCI adapters");
5728 i = pci_register_driver(&airo_driver);
5729 airo_print_info("", "Finished probing for PCI adapters");
5732 remove_proc_entry("aironet", proc_root_driver);
5737 /* Always exit with success, as we are a library module
5738 * as well as a driver module
5743 static void __exit airo_cleanup_module( void )
5745 struct airo_info *ai;
5746 while(!list_empty(&airo_devices)) {
5747 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5748 airo_print_info(ai->dev->name, "Unregistering...");
5749 stop_airo_card(ai->dev, 1);
5752 pci_unregister_driver(&airo_driver);
5754 remove_proc_entry("aironet", proc_root_driver);
5758 * Initial Wireless Extension code for Aironet driver by :
5759 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5760 * Conversion to new driver API by :
5761 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5762 * Javier also did a good amount of work here, adding some new extensions
5763 * and fixing my code. Let's just say that without him this code just
5764 * would not work at all... - Jean II
5767 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5772 return (0x100 - rssi_rid[rssi].rssidBm);
5775 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5782 for( i = 0; i < 256; i++ )
5783 if (rssi_rid[i].rssidBm == dbm)
5784 return rssi_rid[i].rssipct;
5790 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5794 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5795 if (memcmp(cap_rid->prodName, "350", 3))
5796 if (status_rid->signalQuality > 0x20)
5799 quality = 0x20 - status_rid->signalQuality;
5801 if (status_rid->signalQuality > 0xb0)
5803 else if (status_rid->signalQuality < 0x10)
5806 quality = 0xb0 - status_rid->signalQuality;
5811 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5812 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5814 /*------------------------------------------------------------------*/
5816 * Wireless Handler : get protocol name
5818 static int airo_get_name(struct net_device *dev,
5819 struct iw_request_info *info,
5823 strcpy(cwrq, "IEEE 802.11-DS");
5827 /*------------------------------------------------------------------*/
5829 * Wireless Handler : set frequency
5831 static int airo_set_freq(struct net_device *dev,
5832 struct iw_request_info *info,
5833 struct iw_freq *fwrq,
5836 struct airo_info *local = dev->priv;
5837 int rc = -EINPROGRESS; /* Call commit handler */
5839 /* If setting by frequency, convert to a channel */
5840 if((fwrq->e == 1) &&
5841 (fwrq->m >= (int) 2.412e8) &&
5842 (fwrq->m <= (int) 2.487e8)) {
5843 int f = fwrq->m / 100000;
5845 while((c < 14) && (f != frequency_list[c]))
5847 /* Hack to fall through... */
5851 /* Setting by channel number */
5852 if((fwrq->m > 1000) || (fwrq->e > 0))
5855 int channel = fwrq->m;
5856 /* We should do a better check than that,
5857 * based on the card capability !!! */
5858 if((channel < 1) || (channel > 14)) {
5859 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5863 readConfigRid(local, 1);
5864 /* Yes ! We can set it !!! */
5865 local->config.channelSet = (u16) channel;
5866 set_bit (FLAG_COMMIT, &local->flags);
5872 /*------------------------------------------------------------------*/
5874 * Wireless Handler : get frequency
5876 static int airo_get_freq(struct net_device *dev,
5877 struct iw_request_info *info,
5878 struct iw_freq *fwrq,
5881 struct airo_info *local = dev->priv;
5882 StatusRid status_rid; /* Card status info */
5885 readConfigRid(local, 1);
5886 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5887 status_rid.channel = local->config.channelSet;
5889 readStatusRid(local, &status_rid, 1);
5891 ch = (int)status_rid.channel;
5892 if((ch > 0) && (ch < 15)) {
5893 fwrq->m = frequency_list[ch - 1] * 100000;
5903 /*------------------------------------------------------------------*/
5905 * Wireless Handler : set ESSID
5907 static int airo_set_essid(struct net_device *dev,
5908 struct iw_request_info *info,
5909 struct iw_point *dwrq,
5912 struct airo_info *local = dev->priv;
5913 SsidRid SSID_rid; /* SSIDs */
5915 /* Reload the list of current SSID */
5916 readSsidRid(local, &SSID_rid);
5918 /* Check if we asked for `any' */
5919 if(dwrq->flags == 0) {
5920 /* Just send an empty SSID list */
5921 memset(&SSID_rid, 0, sizeof(SSID_rid));
5923 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5925 /* Check the size of the string */
5926 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5929 /* Check if index is valid */
5930 if((index < 0) || (index >= 4)) {
5935 memset(SSID_rid.ssids[index].ssid, 0,
5936 sizeof(SSID_rid.ssids[index].ssid));
5937 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5938 SSID_rid.ssids[index].len = dwrq->length;
5940 SSID_rid.len = sizeof(SSID_rid);
5941 /* Write it to the card */
5942 disable_MAC(local, 1);
5943 writeSsidRid(local, &SSID_rid, 1);
5944 enable_MAC(local, 1);
5949 /*------------------------------------------------------------------*/
5951 * Wireless Handler : get ESSID
5953 static int airo_get_essid(struct net_device *dev,
5954 struct iw_request_info *info,
5955 struct iw_point *dwrq,
5958 struct airo_info *local = dev->priv;
5959 StatusRid status_rid; /* Card status info */
5961 readStatusRid(local, &status_rid, 1);
5963 /* Note : if dwrq->flags != 0, we should
5964 * get the relevant SSID from the SSID list... */
5966 /* Get the current SSID */
5967 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5968 /* If none, we may want to get the one that was set */
5971 dwrq->length = status_rid.SSIDlen;
5972 dwrq->flags = 1; /* active */
5977 /*------------------------------------------------------------------*/
5979 * Wireless Handler : set AP address
5981 static int airo_set_wap(struct net_device *dev,
5982 struct iw_request_info *info,
5983 struct sockaddr *awrq,
5986 struct airo_info *local = dev->priv;
5989 APListRid APList_rid;
5990 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5991 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5993 if (awrq->sa_family != ARPHRD_ETHER)
5995 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5996 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5997 memset(&cmd, 0, sizeof(cmd));
5998 cmd.cmd=CMD_LOSE_SYNC;
5999 if (down_interruptible(&local->sem))
6000 return -ERESTARTSYS;
6001 issuecommand(local, &cmd, &rsp);
6004 memset(&APList_rid, 0, sizeof(APList_rid));
6005 APList_rid.len = sizeof(APList_rid);
6006 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6007 disable_MAC(local, 1);
6008 writeAPListRid(local, &APList_rid, 1);
6009 enable_MAC(local, 1);
6014 /*------------------------------------------------------------------*/
6016 * Wireless Handler : get AP address
6018 static int airo_get_wap(struct net_device *dev,
6019 struct iw_request_info *info,
6020 struct sockaddr *awrq,
6023 struct airo_info *local = dev->priv;
6024 StatusRid status_rid; /* Card status info */
6026 readStatusRid(local, &status_rid, 1);
6028 /* Tentative. This seems to work, wow, I'm lucky !!! */
6029 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6030 awrq->sa_family = ARPHRD_ETHER;
6035 /*------------------------------------------------------------------*/
6037 * Wireless Handler : set Nickname
6039 static int airo_set_nick(struct net_device *dev,
6040 struct iw_request_info *info,
6041 struct iw_point *dwrq,
6044 struct airo_info *local = dev->priv;
6046 /* Check the size of the string */
6047 if(dwrq->length > 16) {
6050 readConfigRid(local, 1);
6051 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6052 memcpy(local->config.nodeName, extra, dwrq->length);
6053 set_bit (FLAG_COMMIT, &local->flags);
6055 return -EINPROGRESS; /* Call commit handler */
6058 /*------------------------------------------------------------------*/
6060 * Wireless Handler : get Nickname
6062 static int airo_get_nick(struct net_device *dev,
6063 struct iw_request_info *info,
6064 struct iw_point *dwrq,
6067 struct airo_info *local = dev->priv;
6069 readConfigRid(local, 1);
6070 strncpy(extra, local->config.nodeName, 16);
6072 dwrq->length = strlen(extra);
6077 /*------------------------------------------------------------------*/
6079 * Wireless Handler : set Bit-Rate
6081 static int airo_set_rate(struct net_device *dev,
6082 struct iw_request_info *info,
6083 struct iw_param *vwrq,
6086 struct airo_info *local = dev->priv;
6087 CapabilityRid cap_rid; /* Card capability info */
6091 /* First : get a valid bit rate value */
6092 readCapabilityRid(local, &cap_rid, 1);
6094 /* Which type of value ? */
6095 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6096 /* Setting by rate index */
6097 /* Find value in the magic rate table */
6098 brate = cap_rid.supportedRates[vwrq->value];
6100 /* Setting by frequency value */
6101 u8 normvalue = (u8) (vwrq->value/500000);
6103 /* Check if rate is valid */
6104 for(i = 0 ; i < 8 ; i++) {
6105 if(normvalue == cap_rid.supportedRates[i]) {
6111 /* -1 designed the max rate (mostly auto mode) */
6112 if(vwrq->value == -1) {
6113 /* Get the highest available rate */
6114 for(i = 0 ; i < 8 ; i++) {
6115 if(cap_rid.supportedRates[i] == 0)
6119 brate = cap_rid.supportedRates[i - 1];
6121 /* Check that it is valid */
6126 readConfigRid(local, 1);
6127 /* Now, check if we want a fixed or auto value */
6128 if(vwrq->fixed == 0) {
6129 /* Fill all the rates up to this max rate */
6130 memset(local->config.rates, 0, 8);
6131 for(i = 0 ; i < 8 ; i++) {
6132 local->config.rates[i] = cap_rid.supportedRates[i];
6133 if(local->config.rates[i] == brate)
6138 /* One rate, fixed */
6139 memset(local->config.rates, 0, 8);
6140 local->config.rates[0] = brate;
6142 set_bit (FLAG_COMMIT, &local->flags);
6144 return -EINPROGRESS; /* Call commit handler */
6147 /*------------------------------------------------------------------*/
6149 * Wireless Handler : get Bit-Rate
6151 static int airo_get_rate(struct net_device *dev,
6152 struct iw_request_info *info,
6153 struct iw_param *vwrq,
6156 struct airo_info *local = dev->priv;
6157 StatusRid status_rid; /* Card status info */
6159 readStatusRid(local, &status_rid, 1);
6161 vwrq->value = status_rid.currentXmitRate * 500000;
6162 /* If more than one rate, set auto */
6163 readConfigRid(local, 1);
6164 vwrq->fixed = (local->config.rates[1] == 0);
6169 /*------------------------------------------------------------------*/
6171 * Wireless Handler : set RTS threshold
6173 static int airo_set_rts(struct net_device *dev,
6174 struct iw_request_info *info,
6175 struct iw_param *vwrq,
6178 struct airo_info *local = dev->priv;
6179 int rthr = vwrq->value;
6182 rthr = AIRO_DEF_MTU;
6183 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6186 readConfigRid(local, 1);
6187 local->config.rtsThres = rthr;
6188 set_bit (FLAG_COMMIT, &local->flags);
6190 return -EINPROGRESS; /* Call commit handler */
6193 /*------------------------------------------------------------------*/
6195 * Wireless Handler : get RTS threshold
6197 static int airo_get_rts(struct net_device *dev,
6198 struct iw_request_info *info,
6199 struct iw_param *vwrq,
6202 struct airo_info *local = dev->priv;
6204 readConfigRid(local, 1);
6205 vwrq->value = local->config.rtsThres;
6206 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6212 /*------------------------------------------------------------------*/
6214 * Wireless Handler : set Fragmentation threshold
6216 static int airo_set_frag(struct net_device *dev,
6217 struct iw_request_info *info,
6218 struct iw_param *vwrq,
6221 struct airo_info *local = dev->priv;
6222 int fthr = vwrq->value;
6225 fthr = AIRO_DEF_MTU;
6226 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6229 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6230 readConfigRid(local, 1);
6231 local->config.fragThresh = (u16)fthr;
6232 set_bit (FLAG_COMMIT, &local->flags);
6234 return -EINPROGRESS; /* Call commit handler */
6237 /*------------------------------------------------------------------*/
6239 * Wireless Handler : get Fragmentation threshold
6241 static int airo_get_frag(struct net_device *dev,
6242 struct iw_request_info *info,
6243 struct iw_param *vwrq,
6246 struct airo_info *local = dev->priv;
6248 readConfigRid(local, 1);
6249 vwrq->value = local->config.fragThresh;
6250 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6256 /*------------------------------------------------------------------*/
6258 * Wireless Handler : set Mode of Operation
6260 static int airo_set_mode(struct net_device *dev,
6261 struct iw_request_info *info,
6265 struct airo_info *local = dev->priv;
6268 readConfigRid(local, 1);
6269 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6274 local->config.opmode &= 0xFF00;
6275 local->config.opmode |= MODE_STA_IBSS;
6276 local->config.rmode &= 0xfe00;
6277 local->config.scanMode = SCANMODE_ACTIVE;
6278 clear_bit (FLAG_802_11, &local->flags);
6281 local->config.opmode &= 0xFF00;
6282 local->config.opmode |= MODE_STA_ESS;
6283 local->config.rmode &= 0xfe00;
6284 local->config.scanMode = SCANMODE_ACTIVE;
6285 clear_bit (FLAG_802_11, &local->flags);
6287 case IW_MODE_MASTER:
6288 local->config.opmode &= 0xFF00;
6289 local->config.opmode |= MODE_AP;
6290 local->config.rmode &= 0xfe00;
6291 local->config.scanMode = SCANMODE_ACTIVE;
6292 clear_bit (FLAG_802_11, &local->flags);
6294 case IW_MODE_REPEAT:
6295 local->config.opmode &= 0xFF00;
6296 local->config.opmode |= MODE_AP_RPTR;
6297 local->config.rmode &= 0xfe00;
6298 local->config.scanMode = SCANMODE_ACTIVE;
6299 clear_bit (FLAG_802_11, &local->flags);
6301 case IW_MODE_MONITOR:
6302 local->config.opmode &= 0xFF00;
6303 local->config.opmode |= MODE_STA_ESS;
6304 local->config.rmode &= 0xfe00;
6305 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6306 local->config.scanMode = SCANMODE_PASSIVE;
6307 set_bit (FLAG_802_11, &local->flags);
6313 set_bit (FLAG_RESET, &local->flags);
6314 set_bit (FLAG_COMMIT, &local->flags);
6316 return -EINPROGRESS; /* Call commit handler */
6319 /*------------------------------------------------------------------*/
6321 * Wireless Handler : get Mode of Operation
6323 static int airo_get_mode(struct net_device *dev,
6324 struct iw_request_info *info,
6328 struct airo_info *local = dev->priv;
6330 readConfigRid(local, 1);
6331 /* If not managed, assume it's ad-hoc */
6332 switch (local->config.opmode & 0xFF) {
6334 *uwrq = IW_MODE_INFRA;
6337 *uwrq = IW_MODE_MASTER;
6340 *uwrq = IW_MODE_REPEAT;
6343 *uwrq = IW_MODE_ADHOC;
6349 /*------------------------------------------------------------------*/
6351 * Wireless Handler : set Encryption Key
6353 static int airo_set_encode(struct net_device *dev,
6354 struct iw_request_info *info,
6355 struct iw_point *dwrq,
6358 struct airo_info *local = dev->priv;
6359 CapabilityRid cap_rid; /* Card capability info */
6360 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6361 u16 currentAuthType = local->config.authType;
6363 /* Is WEP supported ? */
6364 readCapabilityRid(local, &cap_rid, 1);
6365 /* Older firmware doesn't support this...
6366 if(!(cap_rid.softCap & 2)) {
6369 readConfigRid(local, 1);
6371 /* Basic checking: do we have a key to set ?
6372 * Note : with the new API, it's impossible to get a NULL pointer.
6373 * Therefore, we need to check a key size == 0 instead.
6374 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6375 * when no key is present (only change flags), but older versions
6376 * don't do it. - Jean II */
6377 if (dwrq->length > 0) {
6379 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6380 int current_index = get_wep_key(local, 0xffff);
6381 /* Check the size of the key */
6382 if (dwrq->length > MAX_KEY_SIZE) {
6385 /* Check the index (none -> use current) */
6386 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6387 index = current_index;
6388 /* Set the length */
6389 if (dwrq->length > MIN_KEY_SIZE)
6390 key.len = MAX_KEY_SIZE;
6392 if (dwrq->length > 0)
6393 key.len = MIN_KEY_SIZE;
6395 /* Disable the key */
6397 /* Check if the key is not marked as invalid */
6398 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6400 memset(key.key, 0, MAX_KEY_SIZE);
6401 /* Copy the key in the driver */
6402 memcpy(key.key, extra, dwrq->length);
6403 /* Send the key to the card */
6404 set_wep_key(local, index, key.key, key.len, perm, 1);
6406 /* WE specify that if a valid key is set, encryption
6407 * should be enabled (user may turn it off later)
6408 * This is also how "iwconfig ethX key on" works */
6409 if((index == current_index) && (key.len > 0) &&
6410 (local->config.authType == AUTH_OPEN)) {
6411 local->config.authType = AUTH_ENCRYPT;
6414 /* Do we want to just set the transmit key index ? */
6415 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6416 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6417 set_wep_key(local, index, NULL, 0, perm, 1);
6419 /* Don't complain if only change the mode */
6420 if(!dwrq->flags & IW_ENCODE_MODE) {
6424 /* Read the flags */
6425 if(dwrq->flags & IW_ENCODE_DISABLED)
6426 local->config.authType = AUTH_OPEN; // disable encryption
6427 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6428 local->config.authType = AUTH_SHAREDKEY; // Only Both
6429 if(dwrq->flags & IW_ENCODE_OPEN)
6430 local->config.authType = AUTH_ENCRYPT; // Only Wep
6431 /* Commit the changes to flags if needed */
6432 if (local->config.authType != currentAuthType)
6433 set_bit (FLAG_COMMIT, &local->flags);
6434 return -EINPROGRESS; /* Call commit handler */
6437 /*------------------------------------------------------------------*/
6439 * Wireless Handler : get Encryption Key
6441 static int airo_get_encode(struct net_device *dev,
6442 struct iw_request_info *info,
6443 struct iw_point *dwrq,
6446 struct airo_info *local = dev->priv;
6447 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6448 CapabilityRid cap_rid; /* Card capability info */
6450 /* Is it supported ? */
6451 readCapabilityRid(local, &cap_rid, 1);
6452 if(!(cap_rid.softCap & 2)) {
6455 readConfigRid(local, 1);
6456 /* Check encryption mode */
6457 switch(local->config.authType) {
6459 dwrq->flags = IW_ENCODE_OPEN;
6461 case AUTH_SHAREDKEY:
6462 dwrq->flags = IW_ENCODE_RESTRICTED;
6466 dwrq->flags = IW_ENCODE_DISABLED;
6469 /* We can't return the key, so set the proper flag and return zero */
6470 dwrq->flags |= IW_ENCODE_NOKEY;
6471 memset(extra, 0, 16);
6473 /* Which key do we want ? -1 -> tx index */
6474 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6475 index = get_wep_key(local, 0xffff);
6476 dwrq->flags |= index + 1;
6477 /* Copy the key to the user buffer */
6478 dwrq->length = get_wep_key(local, index);
6479 if (dwrq->length > 16) {
6485 /*------------------------------------------------------------------*/
6487 * Wireless Handler : set extended Encryption parameters
6489 static int airo_set_encodeext(struct net_device *dev,
6490 struct iw_request_info *info,
6491 union iwreq_data *wrqu,
6494 struct airo_info *local = dev->priv;
6495 struct iw_point *encoding = &wrqu->encoding;
6496 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6497 CapabilityRid cap_rid; /* Card capability info */
6498 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6499 u16 currentAuthType = local->config.authType;
6500 int idx, key_len, alg = ext->alg, set_key = 1;
6503 /* Is WEP supported ? */
6504 readCapabilityRid(local, &cap_rid, 1);
6505 /* Older firmware doesn't support this...
6506 if(!(cap_rid.softCap & 2)) {
6509 readConfigRid(local, 1);
6511 /* Determine and validate the key index */
6512 idx = encoding->flags & IW_ENCODE_INDEX;
6514 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6518 idx = get_wep_key(local, 0xffff);
6520 if (encoding->flags & IW_ENCODE_DISABLED)
6521 alg = IW_ENCODE_ALG_NONE;
6523 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6524 /* Only set transmit key index here, actual
6525 * key is set below if needed.
6527 set_wep_key(local, idx, NULL, 0, perm, 1);
6528 set_key = ext->key_len > 0 ? 1 : 0;
6532 /* Set the requested key first */
6533 memset(key.key, 0, MAX_KEY_SIZE);
6535 case IW_ENCODE_ALG_NONE:
6538 case IW_ENCODE_ALG_WEP:
6539 if (ext->key_len > MIN_KEY_SIZE) {
6540 key.len = MAX_KEY_SIZE;
6541 } else if (ext->key_len > 0) {
6542 key.len = MIN_KEY_SIZE;
6546 key_len = min (ext->key_len, key.len);
6547 memcpy(key.key, ext->key, key_len);
6552 /* Send the key to the card */
6553 set_wep_key(local, idx, key.key, key.len, perm, 1);
6556 /* Read the flags */
6557 if(encoding->flags & IW_ENCODE_DISABLED)
6558 local->config.authType = AUTH_OPEN; // disable encryption
6559 if(encoding->flags & IW_ENCODE_RESTRICTED)
6560 local->config.authType = AUTH_SHAREDKEY; // Only Both
6561 if(encoding->flags & IW_ENCODE_OPEN)
6562 local->config.authType = AUTH_ENCRYPT; // Only Wep
6563 /* Commit the changes to flags if needed */
6564 if (local->config.authType != currentAuthType)
6565 set_bit (FLAG_COMMIT, &local->flags);
6567 return -EINPROGRESS;
6571 /*------------------------------------------------------------------*/
6573 * Wireless Handler : get extended Encryption parameters
6575 static int airo_get_encodeext(struct net_device *dev,
6576 struct iw_request_info *info,
6577 union iwreq_data *wrqu,
6580 struct airo_info *local = dev->priv;
6581 struct iw_point *encoding = &wrqu->encoding;
6582 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6583 CapabilityRid cap_rid; /* Card capability info */
6584 int idx, max_key_len;
6586 /* Is it supported ? */
6587 readCapabilityRid(local, &cap_rid, 1);
6588 if(!(cap_rid.softCap & 2)) {
6591 readConfigRid(local, 1);
6593 max_key_len = encoding->length - sizeof(*ext);
6594 if (max_key_len < 0)
6597 idx = encoding->flags & IW_ENCODE_INDEX;
6599 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6603 idx = get_wep_key(local, 0xffff);
6605 encoding->flags = idx + 1;
6606 memset(ext, 0, sizeof(*ext));
6608 /* Check encryption mode */
6609 switch(local->config.authType) {
6611 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6613 case AUTH_SHAREDKEY:
6614 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6618 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6621 /* We can't return the key, so set the proper flag and return zero */
6622 encoding->flags |= IW_ENCODE_NOKEY;
6623 memset(extra, 0, 16);
6625 /* Copy the key to the user buffer */
6626 ext->key_len = get_wep_key(local, idx);
6627 if (ext->key_len > 16) {
6635 /*------------------------------------------------------------------*/
6637 * Wireless Handler : set extended authentication parameters
6639 static int airo_set_auth(struct net_device *dev,
6640 struct iw_request_info *info,
6641 union iwreq_data *wrqu, char *extra)
6643 struct airo_info *local = dev->priv;
6644 struct iw_param *param = &wrqu->param;
6645 u16 currentAuthType = local->config.authType;
6647 switch (param->flags & IW_AUTH_INDEX) {
6648 case IW_AUTH_WPA_VERSION:
6649 case IW_AUTH_CIPHER_PAIRWISE:
6650 case IW_AUTH_CIPHER_GROUP:
6651 case IW_AUTH_KEY_MGMT:
6652 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6653 case IW_AUTH_PRIVACY_INVOKED:
6655 * airo does not use these parameters
6659 case IW_AUTH_DROP_UNENCRYPTED:
6661 /* Only change auth type if unencrypted */
6662 if (currentAuthType == AUTH_OPEN)
6663 local->config.authType = AUTH_ENCRYPT;
6665 local->config.authType = AUTH_OPEN;
6668 /* Commit the changes to flags if needed */
6669 if (local->config.authType != currentAuthType)
6670 set_bit (FLAG_COMMIT, &local->flags);
6673 case IW_AUTH_80211_AUTH_ALG: {
6674 /* FIXME: What about AUTH_OPEN? This API seems to
6675 * disallow setting our auth to AUTH_OPEN.
6677 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6678 local->config.authType = AUTH_SHAREDKEY;
6679 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6680 local->config.authType = AUTH_ENCRYPT;
6685 /* Commit the changes to flags if needed */
6686 if (local->config.authType != currentAuthType)
6687 set_bit (FLAG_COMMIT, &local->flags);
6690 case IW_AUTH_WPA_ENABLED:
6691 /* Silently accept disable of WPA */
6692 if (param->value > 0)
6699 return -EINPROGRESS;
6703 /*------------------------------------------------------------------*/
6705 * Wireless Handler : get extended authentication parameters
6707 static int airo_get_auth(struct net_device *dev,
6708 struct iw_request_info *info,
6709 union iwreq_data *wrqu, char *extra)
6711 struct airo_info *local = dev->priv;
6712 struct iw_param *param = &wrqu->param;
6713 u16 currentAuthType = local->config.authType;
6715 switch (param->flags & IW_AUTH_INDEX) {
6716 case IW_AUTH_DROP_UNENCRYPTED:
6717 switch (currentAuthType) {
6718 case AUTH_SHAREDKEY:
6728 case IW_AUTH_80211_AUTH_ALG:
6729 switch (currentAuthType) {
6730 case AUTH_SHAREDKEY:
6731 param->value = IW_AUTH_ALG_SHARED_KEY;
6735 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6740 case IW_AUTH_WPA_ENABLED:
6751 /*------------------------------------------------------------------*/
6753 * Wireless Handler : set Tx-Power
6755 static int airo_set_txpow(struct net_device *dev,
6756 struct iw_request_info *info,
6757 struct iw_param *vwrq,
6760 struct airo_info *local = dev->priv;
6761 CapabilityRid cap_rid; /* Card capability info */
6765 readCapabilityRid(local, &cap_rid, 1);
6767 if (vwrq->disabled) {
6768 set_bit (FLAG_RADIO_OFF, &local->flags);
6769 set_bit (FLAG_COMMIT, &local->flags);
6770 return -EINPROGRESS; /* Call commit handler */
6772 if (vwrq->flags != IW_TXPOW_MWATT) {
6775 clear_bit (FLAG_RADIO_OFF, &local->flags);
6776 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6777 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6778 readConfigRid(local, 1);
6779 local->config.txPower = vwrq->value;
6780 set_bit (FLAG_COMMIT, &local->flags);
6781 rc = -EINPROGRESS; /* Call commit handler */
6787 /*------------------------------------------------------------------*/
6789 * Wireless Handler : get Tx-Power
6791 static int airo_get_txpow(struct net_device *dev,
6792 struct iw_request_info *info,
6793 struct iw_param *vwrq,
6796 struct airo_info *local = dev->priv;
6798 readConfigRid(local, 1);
6799 vwrq->value = local->config.txPower;
6800 vwrq->fixed = 1; /* No power control */
6801 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6802 vwrq->flags = IW_TXPOW_MWATT;
6807 /*------------------------------------------------------------------*/
6809 * Wireless Handler : set Retry limits
6811 static int airo_set_retry(struct net_device *dev,
6812 struct iw_request_info *info,
6813 struct iw_param *vwrq,
6816 struct airo_info *local = dev->priv;
6819 if(vwrq->disabled) {
6822 readConfigRid(local, 1);
6823 if(vwrq->flags & IW_RETRY_LIMIT) {
6824 if(vwrq->flags & IW_RETRY_LONG)
6825 local->config.longRetryLimit = vwrq->value;
6826 else if (vwrq->flags & IW_RETRY_SHORT)
6827 local->config.shortRetryLimit = vwrq->value;
6829 /* No modifier : set both */
6830 local->config.longRetryLimit = vwrq->value;
6831 local->config.shortRetryLimit = vwrq->value;
6833 set_bit (FLAG_COMMIT, &local->flags);
6834 rc = -EINPROGRESS; /* Call commit handler */
6836 if(vwrq->flags & IW_RETRY_LIFETIME) {
6837 local->config.txLifetime = vwrq->value / 1024;
6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6844 /*------------------------------------------------------------------*/
6846 * Wireless Handler : get Retry limits
6848 static int airo_get_retry(struct net_device *dev,
6849 struct iw_request_info *info,
6850 struct iw_param *vwrq,
6853 struct airo_info *local = dev->priv;
6855 vwrq->disabled = 0; /* Can't be disabled */
6857 readConfigRid(local, 1);
6858 /* Note : by default, display the min retry number */
6859 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6860 vwrq->flags = IW_RETRY_LIFETIME;
6861 vwrq->value = (int)local->config.txLifetime * 1024;
6862 } else if((vwrq->flags & IW_RETRY_LONG)) {
6863 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6864 vwrq->value = (int)local->config.longRetryLimit;
6866 vwrq->flags = IW_RETRY_LIMIT;
6867 vwrq->value = (int)local->config.shortRetryLimit;
6868 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6869 vwrq->flags |= IW_RETRY_SHORT;
6875 /*------------------------------------------------------------------*/
6877 * Wireless Handler : get range info
6879 static int airo_get_range(struct net_device *dev,
6880 struct iw_request_info *info,
6881 struct iw_point *dwrq,
6884 struct airo_info *local = dev->priv;
6885 struct iw_range *range = (struct iw_range *) extra;
6886 CapabilityRid cap_rid; /* Card capability info */
6890 readCapabilityRid(local, &cap_rid, 1);
6892 dwrq->length = sizeof(struct iw_range);
6893 memset(range, 0, sizeof(*range));
6894 range->min_nwid = 0x0000;
6895 range->max_nwid = 0x0000;
6896 range->num_channels = 14;
6897 /* Should be based on cap_rid.country to give only
6898 * what the current card support */
6900 for(i = 0; i < 14; i++) {
6901 range->freq[k].i = i + 1; /* List index */
6902 range->freq[k].m = frequency_list[i] * 100000;
6903 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6905 range->num_frequency = k;
6907 range->sensitivity = 65535;
6909 /* Hum... Should put the right values there */
6911 range->max_qual.qual = 100; /* % */
6913 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6914 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6915 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6917 /* Experimental measurements - boundary 11/5.5 Mb/s */
6918 /* Note : with or without the (local->rssi), results
6919 * are somewhat different. - Jean II */
6921 range->avg_qual.qual = 50; /* % */
6922 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6924 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6925 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6927 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6929 for(i = 0 ; i < 8 ; i++) {
6930 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6931 if(range->bitrate[i] == 0)
6934 range->num_bitrates = i;
6936 /* Set an indication of the max TCP throughput
6937 * in bit/s that we can expect using this interface.
6938 * May be use for QoS stuff... Jean II */
6940 range->throughput = 5000 * 1000;
6942 range->throughput = 1500 * 1000;
6945 range->max_rts = AIRO_DEF_MTU;
6946 range->min_frag = 256;
6947 range->max_frag = AIRO_DEF_MTU;
6949 if(cap_rid.softCap & 2) {
6951 range->encoding_size[0] = 5;
6953 if (cap_rid.softCap & 0x100) {
6954 range->encoding_size[1] = 13;
6955 range->num_encoding_sizes = 2;
6957 range->num_encoding_sizes = 1;
6958 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6960 range->num_encoding_sizes = 0;
6961 range->max_encoding_tokens = 0;
6964 range->max_pmp = 5000000; /* 5 secs */
6966 range->max_pmt = 65535 * 1024; /* ??? */
6967 range->pmp_flags = IW_POWER_PERIOD;
6968 range->pmt_flags = IW_POWER_TIMEOUT;
6969 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6971 /* Transmit Power - values are in mW */
6972 for(i = 0 ; i < 8 ; i++) {
6973 range->txpower[i] = cap_rid.txPowerLevels[i];
6974 if(range->txpower[i] == 0)
6977 range->num_txpower = i;
6978 range->txpower_capa = IW_TXPOW_MWATT;
6979 range->we_version_source = 19;
6980 range->we_version_compiled = WIRELESS_EXT;
6981 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6982 range->retry_flags = IW_RETRY_LIMIT;
6983 range->r_time_flags = IW_RETRY_LIFETIME;
6984 range->min_retry = 1;
6985 range->max_retry = 65535;
6986 range->min_r_time = 1024;
6987 range->max_r_time = 65535 * 1024;
6989 /* Event capability (kernel + driver) */
6990 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6991 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6992 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6993 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6994 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6995 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6999 /*------------------------------------------------------------------*/
7001 * Wireless Handler : set Power Management
7003 static int airo_set_power(struct net_device *dev,
7004 struct iw_request_info *info,
7005 struct iw_param *vwrq,
7008 struct airo_info *local = dev->priv;
7010 readConfigRid(local, 1);
7011 if (vwrq->disabled) {
7012 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7015 local->config.powerSaveMode = POWERSAVE_CAM;
7016 local->config.rmode &= 0xFF00;
7017 local->config.rmode |= RXMODE_BC_MC_ADDR;
7018 set_bit (FLAG_COMMIT, &local->flags);
7019 return -EINPROGRESS; /* Call commit handler */
7021 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7022 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7023 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7024 set_bit (FLAG_COMMIT, &local->flags);
7025 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7026 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7027 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7028 set_bit (FLAG_COMMIT, &local->flags);
7030 switch (vwrq->flags & IW_POWER_MODE) {
7031 case IW_POWER_UNICAST_R:
7032 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7035 local->config.rmode &= 0xFF00;
7036 local->config.rmode |= RXMODE_ADDR;
7037 set_bit (FLAG_COMMIT, &local->flags);
7039 case IW_POWER_ALL_R:
7040 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7043 local->config.rmode &= 0xFF00;
7044 local->config.rmode |= RXMODE_BC_MC_ADDR;
7045 set_bit (FLAG_COMMIT, &local->flags);
7047 /* This is broken, fixme ;-) */
7052 // Note : we may want to factor local->need_commit here
7053 // Note2 : may also want to factor RXMODE_RFMON test
7054 return -EINPROGRESS; /* Call commit handler */
7057 /*------------------------------------------------------------------*/
7059 * Wireless Handler : get Power Management
7061 static int airo_get_power(struct net_device *dev,
7062 struct iw_request_info *info,
7063 struct iw_param *vwrq,
7066 struct airo_info *local = dev->priv;
7069 readConfigRid(local, 1);
7070 mode = local->config.powerSaveMode;
7071 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7073 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7074 vwrq->value = (int)local->config.fastListenDelay * 1024;
7075 vwrq->flags = IW_POWER_TIMEOUT;
7077 vwrq->value = (int)local->config.fastListenInterval * 1024;
7078 vwrq->flags = IW_POWER_PERIOD;
7080 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7081 vwrq->flags |= IW_POWER_UNICAST_R;
7083 vwrq->flags |= IW_POWER_ALL_R;
7088 /*------------------------------------------------------------------*/
7090 * Wireless Handler : set Sensitivity
7092 static int airo_set_sens(struct net_device *dev,
7093 struct iw_request_info *info,
7094 struct iw_param *vwrq,
7097 struct airo_info *local = dev->priv;
7099 readConfigRid(local, 1);
7100 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7101 set_bit (FLAG_COMMIT, &local->flags);
7103 return -EINPROGRESS; /* Call commit handler */
7106 /*------------------------------------------------------------------*/
7108 * Wireless Handler : get Sensitivity
7110 static int airo_get_sens(struct net_device *dev,
7111 struct iw_request_info *info,
7112 struct iw_param *vwrq,
7115 struct airo_info *local = dev->priv;
7117 readConfigRid(local, 1);
7118 vwrq->value = local->config.rssiThreshold;
7119 vwrq->disabled = (vwrq->value == 0);
7125 /*------------------------------------------------------------------*/
7127 * Wireless Handler : get AP List
7128 * Note : this is deprecated in favor of IWSCAN
7130 static int airo_get_aplist(struct net_device *dev,
7131 struct iw_request_info *info,
7132 struct iw_point *dwrq,
7135 struct airo_info *local = dev->priv;
7136 struct sockaddr *address = (struct sockaddr *) extra;
7137 struct iw_quality qual[IW_MAX_AP];
7140 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7142 for (i = 0; i < IW_MAX_AP; i++) {
7143 if (readBSSListRid(local, loseSync, &BSSList))
7146 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7147 address[i].sa_family = ARPHRD_ETHER;
7149 qual[i].level = 0x100 - BSSList.dBm;
7150 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7151 qual[i].updated = IW_QUAL_QUAL_UPDATED
7152 | IW_QUAL_LEVEL_UPDATED
7155 qual[i].level = (BSSList.dBm + 321) / 2;
7157 qual[i].updated = IW_QUAL_QUAL_INVALID
7158 | IW_QUAL_LEVEL_UPDATED
7161 qual[i].noise = local->wstats.qual.noise;
7162 if (BSSList.index == 0xffff)
7166 StatusRid status_rid; /* Card status info */
7167 readStatusRid(local, &status_rid, 1);
7169 i < min(IW_MAX_AP, 4) &&
7170 (status_rid.bssid[i][0]
7171 & status_rid.bssid[i][1]
7172 & status_rid.bssid[i][2]
7173 & status_rid.bssid[i][3]
7174 & status_rid.bssid[i][4]
7175 & status_rid.bssid[i][5])!=0xff &&
7176 (status_rid.bssid[i][0]
7177 | status_rid.bssid[i][1]
7178 | status_rid.bssid[i][2]
7179 | status_rid.bssid[i][3]
7180 | status_rid.bssid[i][4]
7181 | status_rid.bssid[i][5]);
7183 memcpy(address[i].sa_data,
7184 status_rid.bssid[i], ETH_ALEN);
7185 address[i].sa_family = ARPHRD_ETHER;
7188 dwrq->flags = 1; /* Should be define'd */
7189 memcpy(extra + sizeof(struct sockaddr)*i,
7190 &qual, sizeof(struct iw_quality)*i);
7197 /*------------------------------------------------------------------*/
7199 * Wireless Handler : Initiate Scan
7201 static int airo_set_scan(struct net_device *dev,
7202 struct iw_request_info *info,
7203 struct iw_param *vwrq,
7206 struct airo_info *ai = dev->priv;
7211 /* Note : you may have realised that, as this is a SET operation,
7212 * this is privileged and therefore a normal user can't
7214 * This is not an error, while the device perform scanning,
7215 * traffic doesn't flow, so it's a perfect DoS...
7217 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7219 if (down_interruptible(&ai->sem))
7220 return -ERESTARTSYS;
7222 /* If there's already a scan in progress, don't
7223 * trigger another one. */
7224 if (ai->scan_timeout > 0)
7227 /* Initiate a scan command */
7228 ai->scan_timeout = RUN_AT(3*HZ);
7229 memset(&cmd, 0, sizeof(cmd));
7230 cmd.cmd=CMD_LISTBSS;
7231 issuecommand(ai, &cmd, &rsp);
7237 wake_up_interruptible(&ai->thr_wait);
7241 /*------------------------------------------------------------------*/
7243 * Translate scan data returned from the card to a card independent
7244 * format that the Wireless Tools will understand - Jean II
7246 static inline char *airo_translate_scan(struct net_device *dev,
7251 struct airo_info *ai = dev->priv;
7252 struct iw_event iwe; /* Temporary buffer */
7254 char * current_val; /* For rates */
7258 /* First entry *MUST* be the AP MAC address */
7259 iwe.cmd = SIOCGIWAP;
7260 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7261 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7262 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7264 /* Other entries will be displayed in the order we give them */
7267 iwe.u.data.length = bss->ssidLen;
7268 if(iwe.u.data.length > 32)
7269 iwe.u.data.length = 32;
7270 iwe.cmd = SIOCGIWESSID;
7271 iwe.u.data.flags = 1;
7272 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7275 iwe.cmd = SIOCGIWMODE;
7276 capabilities = le16_to_cpu(bss->cap);
7277 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7278 if(capabilities & CAP_ESS)
7279 iwe.u.mode = IW_MODE_MASTER;
7281 iwe.u.mode = IW_MODE_ADHOC;
7282 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7286 iwe.cmd = SIOCGIWFREQ;
7287 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7288 /* iwe.u.freq.m containt the channel (starting 1), our
7289 * frequency_list array start at index 0...
7291 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7293 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7295 /* Add quality statistics */
7298 iwe.u.qual.level = 0x100 - bss->dBm;
7299 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7300 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7301 | IW_QUAL_LEVEL_UPDATED
7304 iwe.u.qual.level = (bss->dBm + 321) / 2;
7305 iwe.u.qual.qual = 0;
7306 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7307 | IW_QUAL_LEVEL_UPDATED
7310 iwe.u.qual.noise = ai->wstats.qual.noise;
7311 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7313 /* Add encryption capability */
7314 iwe.cmd = SIOCGIWENCODE;
7315 if(capabilities & CAP_PRIVACY)
7316 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7318 iwe.u.data.flags = IW_ENCODE_DISABLED;
7319 iwe.u.data.length = 0;
7320 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7322 /* Rate : stuffing multiple values in a single event require a bit
7323 * more of magic - Jean II */
7324 current_val = current_ev + IW_EV_LCP_LEN;
7326 iwe.cmd = SIOCGIWRATE;
7327 /* Those two flags are ignored... */
7328 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7330 for(i = 0 ; i < 8 ; i++) {
7331 /* NULL terminated */
7332 if(bss->rates[i] == 0)
7334 /* Bit rate given in 500 kb/s units (+ 0x80) */
7335 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7336 /* Add new value to event */
7337 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7339 /* Check if we added any event */
7340 if((current_val - current_ev) > IW_EV_LCP_LEN)
7341 current_ev = current_val;
7343 /* Beacon interval */
7344 buf = kmalloc(30, GFP_KERNEL);
7346 iwe.cmd = IWEVCUSTOM;
7347 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7348 iwe.u.data.length = strlen(buf);
7349 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7353 /* Put WPA/RSN Information Elements into the event stream */
7354 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7355 unsigned int num_null_ies = 0;
7356 u16 length = sizeof (bss->extra.iep);
7357 struct ieee80211_info_element *info_element =
7358 (struct ieee80211_info_element *) &bss->extra.iep;
7360 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7361 if (sizeof(*info_element) + info_element->len > length) {
7362 /* Invalid element, don't continue parsing IE */
7366 switch (info_element->id) {
7367 case MFIE_TYPE_SSID:
7368 /* Two zero-length SSID elements
7369 * mean we're done parsing elements */
7370 if (!info_element->len)
7374 case MFIE_TYPE_GENERIC:
7375 if (info_element->len >= 4 &&
7376 info_element->data[0] == 0x00 &&
7377 info_element->data[1] == 0x50 &&
7378 info_element->data[2] == 0xf2 &&
7379 info_element->data[3] == 0x01) {
7380 iwe.cmd = IWEVGENIE;
7381 iwe.u.data.length = min(info_element->len + 2,
7383 current_ev = iwe_stream_add_point(current_ev, end_buf,
7384 &iwe, (char *) info_element);
7389 iwe.cmd = IWEVGENIE;
7390 iwe.u.data.length = min(info_element->len + 2,
7392 current_ev = iwe_stream_add_point(current_ev, end_buf,
7393 &iwe, (char *) info_element);
7400 length -= sizeof(*info_element) + info_element->len;
7402 (struct ieee80211_info_element *)&info_element->
7403 data[info_element->len];
7409 /*------------------------------------------------------------------*/
7411 * Wireless Handler : Read Scan Results
7413 static int airo_get_scan(struct net_device *dev,
7414 struct iw_request_info *info,
7415 struct iw_point *dwrq,
7418 struct airo_info *ai = dev->priv;
7419 BSSListElement *net;
7421 char *current_ev = extra;
7423 /* If a scan is in-progress, return -EAGAIN */
7424 if (ai->scan_timeout > 0)
7427 if (down_interruptible(&ai->sem))
7430 list_for_each_entry (net, &ai->network_list, list) {
7431 /* Translate to WE format this entry */
7432 current_ev = airo_translate_scan(dev, current_ev,
7433 extra + dwrq->length,
7436 /* Check if there is space for one more entry */
7437 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7438 /* Ask user space to try again with a bigger buffer */
7444 /* Length of data */
7445 dwrq->length = (current_ev - extra);
7446 dwrq->flags = 0; /* todo */
7453 /*------------------------------------------------------------------*/
7455 * Commit handler : called after a bunch of SET operations
7457 static int airo_config_commit(struct net_device *dev,
7458 struct iw_request_info *info, /* NULL */
7459 void *zwrq, /* NULL */
7460 char *extra) /* NULL */
7462 struct airo_info *local = dev->priv;
7464 if (!test_bit (FLAG_COMMIT, &local->flags))
7467 /* Some of the "SET" function may have modified some of the
7468 * parameters. It's now time to commit them in the card */
7469 disable_MAC(local, 1);
7470 if (test_bit (FLAG_RESET, &local->flags)) {
7471 APListRid APList_rid;
7474 readAPListRid(local, &APList_rid);
7475 readSsidRid(local, &SSID_rid);
7476 if (test_bit(FLAG_MPI,&local->flags))
7477 setup_card(local, dev->dev_addr, 1 );
7479 reset_airo_card(dev);
7480 disable_MAC(local, 1);
7481 writeSsidRid(local, &SSID_rid, 1);
7482 writeAPListRid(local, &APList_rid, 1);
7484 if (down_interruptible(&local->sem))
7485 return -ERESTARTSYS;
7486 writeConfigRid(local, 0);
7487 enable_MAC(local, 0);
7488 if (test_bit (FLAG_RESET, &local->flags))
7489 airo_set_promisc(local);
7496 /*------------------------------------------------------------------*/
7498 * Structures to export the Wireless Handlers
7501 static const struct iw_priv_args airo_private_args[] = {
7502 /*{ cmd, set_args, get_args, name } */
7503 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7504 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7505 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7506 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7509 static const iw_handler airo_handler[] =
7511 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7512 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7513 (iw_handler) NULL, /* SIOCSIWNWID */
7514 (iw_handler) NULL, /* SIOCGIWNWID */
7515 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7516 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7517 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7518 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7519 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7520 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7521 (iw_handler) NULL, /* SIOCSIWRANGE */
7522 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7523 (iw_handler) NULL, /* SIOCSIWPRIV */
7524 (iw_handler) NULL, /* SIOCGIWPRIV */
7525 (iw_handler) NULL, /* SIOCSIWSTATS */
7526 (iw_handler) NULL, /* SIOCGIWSTATS */
7527 iw_handler_set_spy, /* SIOCSIWSPY */
7528 iw_handler_get_spy, /* SIOCGIWSPY */
7529 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7530 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7531 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7532 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7533 (iw_handler) NULL, /* -- hole -- */
7534 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7535 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7536 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7537 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7538 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7539 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7540 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7541 (iw_handler) NULL, /* -- hole -- */
7542 (iw_handler) NULL, /* -- hole -- */
7543 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7544 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7545 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7546 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7547 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7548 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7549 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7550 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7551 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7552 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7553 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7554 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7555 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7556 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7557 (iw_handler) NULL, /* -- hole -- */
7558 (iw_handler) NULL, /* -- hole -- */
7559 (iw_handler) NULL, /* SIOCSIWGENIE */
7560 (iw_handler) NULL, /* SIOCGIWGENIE */
7561 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7562 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7563 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7564 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7565 (iw_handler) NULL, /* SIOCSIWPMKSA */
7568 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7569 * We want to force the use of the ioctl code, because those can't be
7570 * won't work the iw_handler code (because they simultaneously read
7571 * and write data and iw_handler can't do that).
7572 * Note that it's perfectly legal to read/write on a single ioctl command,
7573 * you just can't use iwpriv and need to force it via the ioctl handler.
7575 static const iw_handler airo_private_handler[] =
7577 NULL, /* SIOCIWFIRSTPRIV */
7580 static const struct iw_handler_def airo_handler_def =
7582 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7583 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7584 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7585 .standard = airo_handler,
7586 .private = airo_private_handler,
7587 .private_args = airo_private_args,
7588 .get_wireless_stats = airo_get_wireless_stats,
7592 * This defines the configuration part of the Wireless Extensions
7593 * Note : irq and spinlock protection will occur in the subroutines
7596 * o Check input value more carefully and fill correct values in range
7597 * o Test and shakeout the bugs (if any)
7601 * Javier Achirica did a great job of merging code from the unnamed CISCO
7602 * developer that added support for flashing the card.
7604 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7607 struct airo_info *ai = (struct airo_info *)dev->priv;
7609 if (ai->power.event)
7619 int val = AIROMAGIC;
7621 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7623 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7632 /* Get the command struct and hand it off for evaluation by
7633 * the proper subfunction
7637 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7642 /* Separate R/W functions bracket legality here
7644 if ( com.command == AIRORSWVERSION ) {
7645 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7650 else if ( com.command <= AIRORRID)
7651 rc = readrids(dev,&com);
7652 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7653 rc = writerids(dev,&com);
7654 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7655 rc = flashcard(dev,&com);
7657 rc = -EINVAL; /* Bad command in ioctl */
7660 #endif /* CISCO_EXT */
7662 // All other calls are currently unsupported
7670 * Get the Wireless stats out of the driver
7671 * Note : irq and spinlock protection will occur in the subroutines
7674 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7678 static void airo_read_wireless_stats(struct airo_info *local)
7680 StatusRid status_rid;
7682 CapabilityRid cap_rid;
7683 u32 *vals = stats_rid.vals;
7685 /* Get stats out of the card */
7686 clear_bit(JOB_WSTATS, &local->jobs);
7687 if (local->power.event) {
7691 readCapabilityRid(local, &cap_rid, 0);
7692 readStatusRid(local, &status_rid, 0);
7693 readStatsRid(local, &stats_rid, RID_STATS, 0);
7697 local->wstats.status = status_rid.mode;
7699 /* Signal quality and co */
7701 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7702 /* normalizedSignalStrength appears to be a percentage */
7703 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7705 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7706 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7708 if (status_rid.len >= 124) {
7709 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7710 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7712 local->wstats.qual.noise = 0;
7713 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7716 /* Packets discarded in the wireless adapter due to wireless
7717 * specific problems */
7718 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7719 local->wstats.discard.code = vals[6];/* RxWepErr */
7720 local->wstats.discard.fragment = vals[30];
7721 local->wstats.discard.retries = vals[10];
7722 local->wstats.discard.misc = vals[1] + vals[32];
7723 local->wstats.miss.beacon = vals[34];
7726 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7728 struct airo_info *local = dev->priv;
7730 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7731 /* Get stats out of the card if available */
7732 if (down_trylock(&local->sem) != 0) {
7733 set_bit(JOB_WSTATS, &local->jobs);
7734 wake_up_interruptible(&local->thr_wait);
7736 airo_read_wireless_stats(local);
7739 return &local->wstats;
7744 * This just translates from driver IOCTL codes to the command codes to
7745 * feed to the radio's host interface. Things can be added/deleted
7746 * as needed. This represents the READ side of control I/O to
7749 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7750 unsigned short ridcode;
7751 unsigned char *iobuf;
7753 struct airo_info *ai = dev->priv;
7755 if (test_bit(FLAG_FLASHING, &ai->flags))
7758 switch(comp->command)
7760 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7761 case AIROGCFG: ridcode = RID_CONFIG;
7762 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7763 disable_MAC (ai, 1);
7764 writeConfigRid (ai, 1);
7768 case AIROGSLIST: ridcode = RID_SSID; break;
7769 case AIROGVLIST: ridcode = RID_APLIST; break;
7770 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7771 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7772 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7773 /* Only super-user can read WEP keys */
7774 if (!capable(CAP_NET_ADMIN))
7777 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7778 /* Only super-user can read WEP keys */
7779 if (!capable(CAP_NET_ADMIN))
7782 case AIROGSTAT: ridcode = RID_STATUS; break;
7783 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7784 case AIROGSTATSC32: ridcode = RID_STATS; break;
7786 if (copy_to_user(comp->data, &ai->micstats,
7787 min((int)comp->len,(int)sizeof(ai->micstats))))
7790 case AIRORRID: ridcode = comp->ridnum; break;
7796 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7799 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7800 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7801 * then return it to the user
7802 * 9/22/2000 Honor user given length
7806 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7815 * Danger Will Robinson write the rids here
7818 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7819 struct airo_info *ai = dev->priv;
7822 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7823 unsigned char *iobuf;
7825 /* Only super-user can write RIDs */
7826 if (!capable(CAP_NET_ADMIN))
7829 if (test_bit(FLAG_FLASHING, &ai->flags))
7833 writer = do_writerid;
7835 switch(comp->command)
7837 case AIROPSIDS: ridcode = RID_SSID; break;
7838 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7839 case AIROPAPLIST: ridcode = RID_APLIST; break;
7840 case AIROPCFG: ai->config.len = 0;
7841 clear_bit(FLAG_COMMIT, &ai->flags);
7842 ridcode = RID_CONFIG; break;
7843 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7844 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7845 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7846 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7848 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7849 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7851 /* this is not really a rid but a command given to the card
7855 if (enable_MAC(ai, 1) != 0)
7860 * Evidently this code in the airo driver does not get a symbol
7861 * as disable_MAC. it's probably so short the compiler does not gen one.
7867 /* This command merely clears the counts does not actually store any data
7868 * only reads rid. But as it changes the cards state, I put it in the
7869 * writerid routines.
7872 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7875 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7877 enabled = ai->micstats.enabled;
7878 memset(&ai->micstats,0,sizeof(ai->micstats));
7879 ai->micstats.enabled = enabled;
7881 if (copy_to_user(comp->data, iobuf,
7882 min((int)comp->len, (int)RIDSIZE))) {
7890 return -EOPNOTSUPP; /* Blarg! */
7892 if(comp->len > RIDSIZE)
7895 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7898 if (copy_from_user(iobuf,comp->data,comp->len)) {
7903 if (comp->command == AIROPCFG) {
7904 ConfigRid *cfg = (ConfigRid *)iobuf;
7906 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7907 cfg->opmode |= MODE_MIC;
7909 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7910 set_bit (FLAG_ADHOC, &ai->flags);
7912 clear_bit (FLAG_ADHOC, &ai->flags);
7915 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7923 /*****************************************************************************
7924 * Ancillary flash / mod functions much black magic lurkes here *
7925 *****************************************************************************
7929 * Flash command switch table
7932 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7935 /* Only super-user can modify flash */
7936 if (!capable(CAP_NET_ADMIN))
7939 switch(comp->command)
7942 return cmdreset((struct airo_info *)dev->priv);
7945 if (!((struct airo_info *)dev->priv)->flash &&
7946 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7948 return setflashmode((struct airo_info *)dev->priv);
7950 case AIROFLSHGCHR: /* Get char from aux */
7951 if(comp->len != sizeof(int))
7953 if (copy_from_user(&z,comp->data,comp->len))
7955 return flashgchar((struct airo_info *)dev->priv,z,8000);
7957 case AIROFLSHPCHR: /* Send char to card. */
7958 if(comp->len != sizeof(int))
7960 if (copy_from_user(&z,comp->data,comp->len))
7962 return flashpchar((struct airo_info *)dev->priv,z,8000);
7964 case AIROFLPUTBUF: /* Send 32k to card */
7965 if (!((struct airo_info *)dev->priv)->flash)
7967 if(comp->len > FLASHSIZE)
7969 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7972 flashputbuf((struct airo_info *)dev->priv);
7976 if(flashrestart((struct airo_info *)dev->priv,dev))
7983 #define FLASH_COMMAND 0x7e7e
7987 * Disable MAC and do soft reset on
7991 static int cmdreset(struct airo_info *ai) {
7995 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7999 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8001 ssleep(1); /* WAS 600 12/7/00 */
8004 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8011 * Put the card in legendary flash
8015 static int setflashmode (struct airo_info *ai) {
8016 set_bit (FLAG_FLASHING, &ai->flags);
8018 OUT4500(ai, SWS0, FLASH_COMMAND);
8019 OUT4500(ai, SWS1, FLASH_COMMAND);
8021 OUT4500(ai, SWS0, FLASH_COMMAND);
8022 OUT4500(ai, COMMAND,0x10);
8024 OUT4500(ai, SWS2, FLASH_COMMAND);
8025 OUT4500(ai, SWS3, FLASH_COMMAND);
8026 OUT4500(ai, COMMAND,0);
8028 msleep(500); /* 500ms delay */
8031 clear_bit (FLAG_FLASHING, &ai->flags);
8032 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8038 /* Put character to SWS0 wait for dwelltime
8042 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8053 /* Wait for busy bit d15 to go false indicating buffer empty */
8054 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8059 /* timeout for busy clear wait */
8061 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8065 /* Port is clear now write byte and wait for it to echo back */
8067 OUT4500(ai,SWS0,byte);
8070 echo = IN4500(ai,SWS1);
8071 } while (dwelltime >= 0 && echo != byte);
8075 return (echo == byte) ? 0 : -EIO;
8079 * Get a character from the card matching matchbyte
8082 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8084 unsigned char rbyte=0;
8087 rchar = IN4500(ai,SWS1);
8089 if(dwelltime && !(0x8000 & rchar)){
8094 rbyte = 0xff & rchar;
8096 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8100 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8104 }while(dwelltime > 0);
8109 * Transfer 32k of firmware data from user buffer to our buffer and
8113 static int flashputbuf(struct airo_info *ai){
8117 if (test_bit(FLAG_MPI,&ai->flags))
8118 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8120 OUT4500(ai,AUXPAGE,0x100);
8121 OUT4500(ai,AUXOFF,0);
8123 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8124 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8127 OUT4500(ai,SWS0,0x8000);
8135 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8138 ssleep(1); /* Added 12/7/00 */
8139 clear_bit (FLAG_FLASHING, &ai->flags);
8140 if (test_bit(FLAG_MPI, &ai->flags)) {
8141 status = mpi_init_descriptors(ai);
8142 if (status != SUCCESS)
8145 status = setup_card(ai, dev->dev_addr, 1);
8147 if (!test_bit(FLAG_MPI,&ai->flags))
8148 for( i = 0; i < MAX_FIDS; i++ ) {
8149 ai->fids[i] = transmit_allocate
8150 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8153 ssleep(1); /* Added 12/7/00 */
8156 #endif /* CISCO_EXT */
8159 This program is free software; you can redistribute it and/or
8160 modify it under the terms of the GNU General Public License
8161 as published by the Free Software Foundation; either version 2
8162 of the License, or (at your option) any later version.
8164 This program is distributed in the hope that it will be useful,
8165 but WITHOUT ANY WARRANTY; without even the implied warranty of
8166 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8167 GNU General Public License for more details.
8171 Redistribution and use in source and binary forms, with or without
8172 modification, are permitted provided that the following conditions
8175 1. Redistributions of source code must retain the above copyright
8176 notice, this list of conditions and the following disclaimer.
8177 2. Redistributions in binary form must reproduce the above copyright
8178 notice, this list of conditions and the following disclaimer in the
8179 documentation and/or other materials provided with the distribution.
8180 3. The name of the author may not be used to endorse or promote
8181 products derived from this software without specific prior written
8184 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8185 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8186 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8187 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8188 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8189 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8190 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8191 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8192 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8193 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8194 POSSIBILITY OF SUCH DAMAGE.
8197 module_init(airo_init_module);
8198 module_exit(airo_cleanup_module);
projects / linux-2.6 / blob