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;
3091 /* make swsusp happy with our thread */
3094 if (test_bit(JOB_DIE, &ai->jobs))
3098 locked = down_interruptible(&ai->sem);
3102 init_waitqueue_entry(&wait, current);
3103 add_wait_queue(&ai->thr_wait, &wait);
3105 set_current_state(TASK_INTERRUPTIBLE);
3108 if (ai->expires || ai->scan_timeout) {
3109 if (ai->scan_timeout &&
3110 time_after_eq(jiffies,ai->scan_timeout)){
3111 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3113 } else if (ai->expires &&
3114 time_after_eq(jiffies,ai->expires)){
3115 set_bit(JOB_AUTOWEP, &ai->jobs);
3118 if (!kthread_should_stop() &&
3119 !freezing(current)) {
3120 unsigned long wake_at;
3121 if (!ai->expires || !ai->scan_timeout) {
3122 wake_at = max(ai->expires,
3125 wake_at = min(ai->expires,
3128 schedule_timeout(wake_at - jiffies);
3131 } else if (!kthread_should_stop() &&
3132 !freezing(current)) {
3138 current->state = TASK_RUNNING;
3139 remove_wait_queue(&ai->thr_wait, &wait);
3146 if (test_bit(JOB_DIE, &ai->jobs)) {
3151 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3156 if (test_bit(JOB_XMIT, &ai->jobs))
3158 else if (test_bit(JOB_XMIT11, &ai->jobs))
3159 airo_end_xmit11(dev);
3160 else if (test_bit(JOB_STATS, &ai->jobs))
3161 airo_read_stats(ai);
3162 else if (test_bit(JOB_WSTATS, &ai->jobs))
3163 airo_read_wireless_stats(ai);
3164 else if (test_bit(JOB_PROMISC, &ai->jobs))
3165 airo_set_promisc(ai);
3166 else if (test_bit(JOB_MIC, &ai->jobs))
3168 else if (test_bit(JOB_EVENT, &ai->jobs))
3169 airo_send_event(dev);
3170 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3172 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3173 airo_process_scan_results(ai);
3174 else /* Shouldn't get here, but we make sure to unlock */
3181 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3182 struct net_device *dev = (struct net_device *)dev_id;
3185 struct airo_info *apriv = dev->priv;
3186 u16 savedInterrupts = 0;
3189 if (!netif_device_present(dev))
3193 status = IN4500( apriv, EVSTAT );
3194 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3198 if ( status & EV_AWAKE ) {
3199 OUT4500( apriv, EVACK, EV_AWAKE );
3200 OUT4500( apriv, EVACK, EV_AWAKE );
3203 if (!savedInterrupts) {
3204 savedInterrupts = IN4500( apriv, EVINTEN );
3205 OUT4500( apriv, EVINTEN, 0 );
3208 if ( status & EV_MIC ) {
3209 OUT4500( apriv, EVACK, EV_MIC );
3210 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3211 set_bit(JOB_MIC, &apriv->jobs);
3212 wake_up_interruptible(&apriv->thr_wait);
3215 if ( status & EV_LINK ) {
3216 union iwreq_data wrqu;
3217 int scan_forceloss = 0;
3218 /* The link status has changed, if you want to put a
3219 monitor hook in, do it here. (Remember that
3220 interrupts are still disabled!)
3222 u16 newStatus = IN4500(apriv, LINKSTAT);
3223 OUT4500( apriv, EVACK, EV_LINK);
3224 /* Here is what newStatus means: */
3225 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3226 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3227 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3228 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3229 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3230 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3231 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3232 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3234 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3236 #define ASSOCIATED 0x0400 /* Associated */
3237 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3238 #define RC_RESERVED 0 /* Reserved return code */
3239 #define RC_NOREASON 1 /* Unspecified reason */
3240 #define RC_AUTHINV 2 /* Previous authentication invalid */
3241 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3243 #define RC_NOACT 4 /* Disassociated due to inactivity */
3244 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3245 all currently associated stations */
3246 #define RC_BADCLASS2 6 /* Class 2 frame received from
3247 non-Authenticated station */
3248 #define RC_BADCLASS3 7 /* Class 3 frame received from
3249 non-Associated station */
3250 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3252 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3253 Authenticated with the responding station */
3254 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3256 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3259 if (apriv->list_bss_task)
3260 wake_up_process(apriv->list_bss_task);
3261 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3262 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3264 if (down_trylock(&apriv->sem) != 0) {
3265 set_bit(JOB_EVENT, &apriv->jobs);
3266 wake_up_interruptible(&apriv->thr_wait);
3268 airo_send_event(dev);
3269 } else if (!scan_forceloss) {
3270 if (auto_wep && !apriv->expires) {
3271 apriv->expires = RUN_AT(3*HZ);
3272 wake_up_interruptible(&apriv->thr_wait);
3275 /* Send event to user space */
3276 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3277 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3278 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3282 /* Check to see if there is something to receive */
3283 if ( status & EV_RX ) {
3284 struct sk_buff *skb = NULL;
3285 u16 fc, len, hdrlen = 0;
3299 if (test_bit(FLAG_MPI,&apriv->flags)) {
3300 if (test_bit(FLAG_802_11, &apriv->flags))
3301 mpi_receive_802_11(apriv);
3303 mpi_receive_802_3(apriv);
3304 OUT4500(apriv, EVACK, EV_RX);
3308 fid = IN4500( apriv, RXFID );
3310 /* Get the packet length */
3311 if (test_bit(FLAG_802_11, &apriv->flags)) {
3312 bap_setup (apriv, fid, 4, BAP0);
3313 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3314 /* Bad CRC. Ignore packet */
3315 if (le16_to_cpu(hdr.status) & 2)
3317 if (apriv->wifidev == NULL)
3320 bap_setup (apriv, fid, 0x36, BAP0);
3321 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3323 len = le16_to_cpu(hdr.len);
3325 if (len > AIRO_DEF_MTU) {
3326 airo_print_err(apriv->dev->name, "Bad size %d", len);
3332 if (test_bit(FLAG_802_11, &apriv->flags)) {
3333 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3334 fc = le16_to_cpu(fc);
3337 if ((fc & 0xe0) == 0xc0)
3343 if ((fc&0x300)==0x300){
3351 hdrlen = ETH_ALEN * 2;
3353 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3355 apriv->stats.rx_dropped++;
3358 skb_reserve(skb, 2); /* This way the IP header is aligned */
3359 buffer = (u16*)skb_put (skb, len + hdrlen);
3360 if (test_bit(FLAG_802_11, &apriv->flags)) {
3362 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3364 bap_read (apriv, tmpbuf, 6, BAP0);
3366 bap_read (apriv, &gap, sizeof(gap), BAP0);
3367 gap = le16_to_cpu(gap);
3370 bap_read (apriv, tmpbuf, gap, BAP0);
3372 airo_print_err(apriv->dev->name, "gaplen too "
3373 "big. Problems will follow...");
3376 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3379 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3380 if (apriv->micstats.enabled) {
3381 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3382 if (ntohs(micbuf.typelen) > 0x05DC)
3383 bap_setup (apriv, fid, 0x44, BAP0);
3385 if (len <= sizeof(micbuf))
3388 len -= sizeof(micbuf);
3389 skb_trim (skb, len + hdrlen);
3392 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3393 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3395 dev_kfree_skb_irq (skb);
3397 OUT4500( apriv, EVACK, EV_RX);
3402 if (apriv->spy_data.spy_number > 0) {
3404 struct iw_quality wstats;
3405 /* Prepare spy data : addr + qual */
3406 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3407 sa = (char*)buffer + 6;
3408 bap_setup (apriv, fid, 8, BAP0);
3409 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3411 sa = (char*)buffer + 10;
3412 wstats.qual = hdr.rssi[0];
3414 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3416 wstats.level = (hdr.rssi[1] + 321) / 2;
3417 wstats.noise = apriv->wstats.qual.noise;
3418 wstats.updated = IW_QUAL_LEVEL_UPDATED
3419 | IW_QUAL_QUAL_UPDATED
3421 /* Update spy records */
3422 wireless_spy_update(dev, sa, &wstats);
3424 #endif /* WIRELESS_SPY */
3425 OUT4500( apriv, EVACK, EV_RX);
3427 if (test_bit(FLAG_802_11, &apriv->flags)) {
3428 skb_reset_mac_header(skb);
3429 skb->pkt_type = PACKET_OTHERHOST;
3430 skb->dev = apriv->wifidev;
3431 skb->protocol = htons(ETH_P_802_2);
3433 skb->protocol = eth_type_trans(skb,dev);
3434 skb->dev->last_rx = jiffies;
3435 skb->ip_summed = CHECKSUM_NONE;
3441 /* Check to see if a packet has been transmitted */
3442 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3447 if (test_bit(FLAG_MPI,&apriv->flags)) {
3448 unsigned long flags;
3450 if (status & EV_TXEXC)
3451 get_tx_error(apriv, -1);
3452 spin_lock_irqsave(&apriv->aux_lock, flags);
3453 if (!skb_queue_empty(&apriv->txq)) {
3454 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3455 mpi_send_packet (dev);
3457 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3458 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3459 netif_wake_queue (dev);
3461 OUT4500( apriv, EVACK,
3462 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3466 fid = IN4500(apriv, TXCOMPLFID);
3468 for( i = 0; i < MAX_FIDS; i++ ) {
3469 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3470 len = apriv->fids[i] >> 16;
3475 if (status & EV_TXEXC)
3476 get_tx_error(apriv, index);
3477 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3478 /* Set up to be used again */
3479 apriv->fids[index] &= 0xffff;
3480 if (index < MAX_FIDS / 2) {
3481 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3482 netif_wake_queue(dev);
3484 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3485 netif_wake_queue(apriv->wifidev);
3488 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3489 airo_print_err(apriv->dev->name, "Unallocated FID was "
3494 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3495 airo_print_warn(apriv->dev->name, "Got weird status %x",
3496 status & ~STATUS_INTS & ~IGNORE_INTS );
3499 if (savedInterrupts)
3500 OUT4500( apriv, EVINTEN, savedInterrupts );
3503 return IRQ_RETVAL(handled);
3507 * Routines to talk to the card
3511 * This was originally written for the 4500, hence the name
3512 * NOTE: If use with 8bit mode and SMP bad things will happen!
3513 * Why would some one do 8 bit IO in an SMP machine?!?
3515 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3516 if (test_bit(FLAG_MPI,&ai->flags))
3519 outw( val, ai->dev->base_addr + reg );
3521 outb( val & 0xff, ai->dev->base_addr + reg );
3522 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3526 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3529 if (test_bit(FLAG_MPI,&ai->flags))
3532 rc = inw( ai->dev->base_addr + reg );
3534 rc = inb( ai->dev->base_addr + reg );
3535 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3540 static int enable_MAC(struct airo_info *ai, int lock)
3546 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3547 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3548 * Note : we could try to use !netif_running(dev) in enable_MAC()
3549 * instead of this flag, but I don't trust it *within* the
3550 * open/close functions, and testing both flags together is
3551 * "cheaper" - Jean II */
3552 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3554 if (lock && down_interruptible(&ai->sem))
3555 return -ERESTARTSYS;
3557 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3558 memset(&cmd, 0, sizeof(cmd));
3559 cmd.cmd = MAC_ENABLE;
3560 rc = issuecommand(ai, &cmd, &rsp);
3562 set_bit(FLAG_ENABLED, &ai->flags);
3570 airo_print_err(ai->dev->name, "Cannot enable MAC");
3571 else if ((rsp.status & 0xFF00) != 0) {
3572 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
3573 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
3579 static void disable_MAC( struct airo_info *ai, int lock ) {
3583 if (lock && down_interruptible(&ai->sem))
3586 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3587 memset(&cmd, 0, sizeof(cmd));
3588 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3589 issuecommand(ai, &cmd, &rsp);
3590 clear_bit(FLAG_ENABLED, &ai->flags);
3596 static void enable_interrupts( struct airo_info *ai ) {
3597 /* Enable the interrupts */
3598 OUT4500( ai, EVINTEN, STATUS_INTS );
3601 static void disable_interrupts( struct airo_info *ai ) {
3602 OUT4500( ai, EVINTEN, 0 );
3605 static void mpi_receive_802_3(struct airo_info *ai)
3609 struct sk_buff *skb;
3614 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3615 /* Make sure we got something */
3616 if (rxd.rdy && rxd.valid == 0) {
3618 if (len < 12 || len > 2048)
3621 skb = dev_alloc_skb(len);
3623 ai->stats.rx_dropped++;
3626 buffer = skb_put(skb,len);
3627 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3628 if (ai->micstats.enabled) {
3630 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3632 if (ntohs(micbuf.typelen) <= 0x05DC) {
3633 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3636 off = sizeof(micbuf);
3637 skb_trim (skb, len - off);
3640 memcpy(buffer + ETH_ALEN * 2,
3641 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3642 len - ETH_ALEN * 2 - off);
3643 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3645 dev_kfree_skb_irq (skb);
3649 if (ai->spy_data.spy_number > 0) {
3651 struct iw_quality wstats;
3652 /* Prepare spy data : addr + qual */
3653 sa = buffer + ETH_ALEN;
3654 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3657 /* Update spy records */
3658 wireless_spy_update(ai->dev, sa, &wstats);
3660 #endif /* WIRELESS_SPY */
3662 skb->ip_summed = CHECKSUM_NONE;
3663 skb->protocol = eth_type_trans(skb, ai->dev);
3664 skb->dev->last_rx = jiffies;
3668 if (rxd.valid == 0) {
3672 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3676 void mpi_receive_802_11 (struct airo_info *ai)
3679 struct sk_buff *skb = NULL;
3680 u16 fc, len, hdrlen = 0;
3692 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3694 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3695 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3697 /* Bad CRC. Ignore packet */
3698 if (le16_to_cpu(hdr.status) & 2)
3700 if (ai->wifidev == NULL)
3702 len = le16_to_cpu(hdr.len);
3703 if (len > AIRO_DEF_MTU) {
3704 airo_print_err(ai->dev->name, "Bad size %d", len);
3710 memcpy ((char *)&fc, ptr, sizeof(fc));
3711 fc = le16_to_cpu(fc);
3714 if ((fc & 0xe0) == 0xc0)
3720 if ((fc&0x300)==0x300){
3728 skb = dev_alloc_skb( len + hdrlen + 2 );
3730 ai->stats.rx_dropped++;
3733 buffer = (u16*)skb_put (skb, len + hdrlen);
3734 memcpy ((char *)buffer, ptr, hdrlen);
3738 memcpy ((char *)&gap, ptr, sizeof(gap));
3740 gap = le16_to_cpu(gap);
3745 airo_print_err(ai->dev->name,
3746 "gaplen too big. Problems will follow...");
3748 memcpy ((char *)buffer + hdrlen, ptr, len);
3750 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3751 if (ai->spy_data.spy_number > 0) {
3753 struct iw_quality wstats;
3754 /* Prepare spy data : addr + qual */
3755 sa = (char*)buffer + 10;
3756 wstats.qual = hdr.rssi[0];
3758 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3760 wstats.level = (hdr.rssi[1] + 321) / 2;
3761 wstats.noise = ai->wstats.qual.noise;
3762 wstats.updated = IW_QUAL_QUAL_UPDATED
3763 | IW_QUAL_LEVEL_UPDATED
3765 /* Update spy records */
3766 wireless_spy_update(ai->dev, sa, &wstats);
3768 #endif /* IW_WIRELESS_SPY */
3769 skb_reset_mac_header(skb);
3770 skb->pkt_type = PACKET_OTHERHOST;
3771 skb->dev = ai->wifidev;
3772 skb->protocol = htons(ETH_P_802_2);
3773 skb->dev->last_rx = jiffies;
3774 skb->ip_summed = CHECKSUM_NONE;
3777 if (rxd.valid == 0) {
3781 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3785 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3796 memset( &mySsid, 0, sizeof( mySsid ) );
3800 /* The NOP is the first step in getting the card going */
3802 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3803 if (lock && down_interruptible(&ai->sem))
3805 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3810 disable_MAC( ai, 0);
3812 // Let's figure out if we need to use the AUX port
3813 if (!test_bit(FLAG_MPI,&ai->flags)) {
3814 cmd.cmd = CMD_ENABLEAUX;
3815 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3818 airo_print_err(ai->dev->name, "Error checking for AUX port");
3821 if (!aux_bap || rsp.status & 0xff00) {
3822 ai->bap_read = fast_bap_read;
3823 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3825 ai->bap_read = aux_bap_read;
3826 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3831 if (ai->config.len == 0) {
3832 tdsRssiRid rssi_rid;
3833 CapabilityRid cap_rid;
3839 // general configuration (read/modify/write)
3840 status = readConfigRid(ai, lock);
3841 if ( status != SUCCESS ) return ERROR;
3843 status = readCapabilityRid(ai, &cap_rid, lock);
3844 if ( status != SUCCESS ) return ERROR;
3846 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3847 if ( status == SUCCESS ) {
3848 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3849 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3854 if (cap_rid.softCap & 8)
3855 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3857 airo_print_warn(ai->dev->name, "unknown received signal "
3860 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3861 ai->config.authType = AUTH_OPEN;
3862 ai->config.modulation = MOD_CCK;
3864 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3865 (micsetup(ai) == SUCCESS)) {
3866 ai->config.opmode |= MODE_MIC;
3867 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3870 /* Save off the MAC */
3871 for( i = 0; i < ETH_ALEN; i++ ) {
3872 mac[i] = ai->config.macAddr[i];
3875 /* Check to see if there are any insmod configured
3879 memset(ai->config.rates,0,sizeof(ai->config.rates));
3880 for( i = 0; i < 8 && rates[i]; i++ ) {
3881 ai->config.rates[i] = rates[i];
3884 if ( basic_rate > 0 ) {
3886 for( i = 0; i < 8; i++ ) {
3887 if ( ai->config.rates[i] == basic_rate ||
3888 !ai->config.rates ) {
3889 ai->config.rates[i] = basic_rate | 0x80;
3894 set_bit (FLAG_COMMIT, &ai->flags);
3897 /* Setup the SSIDs if present */
3900 for( i = 0; i < 3 && ssids[i]; i++ ) {
3901 mySsid.ssids[i].len = strlen(ssids[i]);
3902 if ( mySsid.ssids[i].len > 32 )
3903 mySsid.ssids[i].len = 32;
3904 memcpy(mySsid.ssids[i].ssid, ssids[i],
3905 mySsid.ssids[i].len);
3907 mySsid.len = sizeof(mySsid);
3910 status = writeConfigRid(ai, lock);
3911 if ( status != SUCCESS ) return ERROR;
3913 /* Set up the SSID list */
3915 status = writeSsidRid(ai, &mySsid, lock);
3916 if ( status != SUCCESS ) return ERROR;
3919 status = enable_MAC(ai, lock);
3920 if (status != SUCCESS)
3923 /* Grab the initial wep key, we gotta save it for auto_wep */
3924 rc = readWepKeyRid(ai, &wkr, 1, lock);
3925 if (rc == SUCCESS) do {
3926 lastindex = wkr.kindex;
3927 if (wkr.kindex == 0xffff) {
3928 ai->defindex = wkr.mac[0];
3930 rc = readWepKeyRid(ai, &wkr, 0, lock);
3931 } while(lastindex != wkr.kindex);
3938 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3939 // Im really paranoid about letting it run forever!
3940 int max_tries = 600000;
3942 if (IN4500(ai, EVSTAT) & EV_CMD)
3943 OUT4500(ai, EVACK, EV_CMD);
3945 OUT4500(ai, PARAM0, pCmd->parm0);
3946 OUT4500(ai, PARAM1, pCmd->parm1);
3947 OUT4500(ai, PARAM2, pCmd->parm2);
3948 OUT4500(ai, COMMAND, pCmd->cmd);
3950 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3951 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3952 // PC4500 didn't notice command, try again
3953 OUT4500(ai, COMMAND, pCmd->cmd);
3954 if (!in_atomic() && (max_tries & 255) == 0)
3958 if ( max_tries == -1 ) {
3959 airo_print_err(ai->dev->name,
3960 "Max tries exceeded when issueing command");
3961 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3962 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3966 // command completed
3967 pRsp->status = IN4500(ai, STATUS);
3968 pRsp->rsp0 = IN4500(ai, RESP0);
3969 pRsp->rsp1 = IN4500(ai, RESP1);
3970 pRsp->rsp2 = IN4500(ai, RESP2);
3971 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3972 airo_print_err(ai->dev->name,
3973 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3974 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3977 // clear stuck command busy if necessary
3978 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3979 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3981 // acknowledge processing the status/response
3982 OUT4500(ai, EVACK, EV_CMD);
3987 /* Sets up the bap to start exchange data. whichbap should
3988 * be one of the BAP0 or BAP1 defines. Locks should be held before
3990 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3995 OUT4500(ai, SELECT0+whichbap, rid);
3996 OUT4500(ai, OFFSET0+whichbap, offset);
3998 int status = IN4500(ai, OFFSET0+whichbap);
3999 if (status & BAP_BUSY) {
4000 /* This isn't really a timeout, but its kinda
4005 } else if ( status & BAP_ERR ) {
4006 /* invalid rid or offset */
4007 airo_print_err(ai->dev->name, "BAP error %x %d",
4010 } else if (status & BAP_DONE) { // success
4013 if ( !(max_tries--) ) {
4014 airo_print_err(ai->dev->name,
4015 "BAP setup error too many retries\n");
4018 // -- PC4500 missed it, try again
4019 OUT4500(ai, SELECT0+whichbap, rid);
4020 OUT4500(ai, OFFSET0+whichbap, offset);
4025 /* should only be called by aux_bap_read. This aux function and the
4026 following use concepts not documented in the developers guide. I
4027 got them from a patch given to my by Aironet */
4028 static u16 aux_setup(struct airo_info *ai, u16 page,
4029 u16 offset, u16 *len)
4033 OUT4500(ai, AUXPAGE, page);
4034 OUT4500(ai, AUXOFF, 0);
4035 next = IN4500(ai, AUXDATA);
4036 *len = IN4500(ai, AUXDATA)&0xff;
4037 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4041 /* requires call to bap_setup() first */
4042 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4043 int bytelen, int whichbap)
4051 unsigned long flags;
4053 spin_lock_irqsave(&ai->aux_lock, flags);
4054 page = IN4500(ai, SWS0+whichbap);
4055 offset = IN4500(ai, SWS2+whichbap);
4056 next = aux_setup(ai, page, offset, &len);
4057 words = (bytelen+1)>>1;
4059 for (i=0; i<words;) {
4061 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4063 insw( ai->dev->base_addr+DATA0+whichbap,
4066 insb( ai->dev->base_addr+DATA0+whichbap,
4067 pu16Dst+i, count << 1 );
4070 next = aux_setup(ai, next, 4, &len);
4073 spin_unlock_irqrestore(&ai->aux_lock, flags);
4078 /* requires call to bap_setup() first */
4079 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4080 int bytelen, int whichbap)
4082 bytelen = (bytelen + 1) & (~1); // round up to even value
4084 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4086 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4090 /* requires call to bap_setup() first */
4091 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4092 int bytelen, int whichbap)
4094 bytelen = (bytelen + 1) & (~1); // round up to even value
4096 outsw( ai->dev->base_addr+DATA0+whichbap,
4097 pu16Src, bytelen>>1 );
4099 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4103 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4105 Cmd cmd; /* for issuing commands */
4106 Resp rsp; /* response from commands */
4109 memset(&cmd, 0, sizeof(cmd));
4112 status = issuecommand(ai, &cmd, &rsp);
4113 if (status != 0) return status;
4114 if ( (rsp.status & 0x7F00) != 0) {
4115 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4120 /* Note, that we are using BAP1 which is also used by transmit, so
4121 * we must get a lock. */
4122 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4128 if (down_interruptible(&ai->sem))
4131 if (test_bit(FLAG_MPI,&ai->flags)) {
4135 memset(&cmd, 0, sizeof(cmd));
4136 memset(&rsp, 0, sizeof(rsp));
4137 ai->config_desc.rid_desc.valid = 1;
4138 ai->config_desc.rid_desc.len = RIDSIZE;
4139 ai->config_desc.rid_desc.rid = 0;
4140 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4142 cmd.cmd = CMD_ACCESS;
4145 memcpy_toio(ai->config_desc.card_ram_off,
4146 &ai->config_desc.rid_desc, sizeof(Rid));
4148 rc = issuecommand(ai, &cmd, &rsp);
4150 if (rsp.status & 0x7f00)
4153 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4156 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4160 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4164 // read the rid length field
4165 bap_read(ai, pBuf, 2, BAP1);
4166 // length for remaining part of rid
4167 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4170 airo_print_err(ai->dev->name,
4171 "Rid %x has a length of %d which is too short",
4172 (int)rid, (int)len );
4176 // read remainder of the rid
4177 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4185 /* Note, that we are using BAP1 which is also used by transmit, so
4186 * make sure this isnt called when a transmit is happening */
4187 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4188 const void *pBuf, int len, int lock)
4193 *(u16*)pBuf = cpu_to_le16((u16)len);
4196 if (down_interruptible(&ai->sem))
4199 if (test_bit(FLAG_MPI,&ai->flags)) {
4203 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4204 airo_print_err(ai->dev->name,
4205 "%s: MAC should be disabled (rid=%04x)",
4207 memset(&cmd, 0, sizeof(cmd));
4208 memset(&rsp, 0, sizeof(rsp));
4210 ai->config_desc.rid_desc.valid = 1;
4211 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4212 ai->config_desc.rid_desc.rid = 0;
4214 cmd.cmd = CMD_WRITERID;
4217 memcpy_toio(ai->config_desc.card_ram_off,
4218 &ai->config_desc.rid_desc, sizeof(Rid));
4220 if (len < 4 || len > 2047) {
4221 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4224 memcpy((char *)ai->config_desc.virtual_host_addr,
4227 rc = issuecommand(ai, &cmd, &rsp);
4228 if ((rc & 0xff00) != 0) {
4229 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4231 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4232 __FUNCTION__, cmd.cmd);
4235 if ((rsp.status & 0x7f00))
4239 // --- first access so that we can write the rid data
4240 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4244 // --- now write the rid data
4245 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4249 bap_write(ai, pBuf, len, BAP1);
4250 // ---now commit the rid data
4251 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4259 /* Allocates a FID to be used for transmitting packets. We only use
4261 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4263 unsigned int loop = 3000;
4269 cmd.cmd = CMD_ALLOCATETX;
4270 cmd.parm0 = lenPayload;
4271 if (down_interruptible(&ai->sem))
4273 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4277 if ( (rsp.status & 0xFF00) != 0) {
4281 /* wait for the allocate event/indication
4282 * It makes me kind of nervous that this can just sit here and spin,
4283 * but in practice it only loops like four times. */
4284 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4290 // get the allocated fid and acknowledge
4291 txFid = IN4500(ai, TXALLOCFID);
4292 OUT4500(ai, EVACK, EV_ALLOC);
4294 /* The CARD is pretty cool since it converts the ethernet packet
4295 * into 802.11. Also note that we don't release the FID since we
4296 * will be using the same one over and over again. */
4297 /* We only have to setup the control once since we are not
4298 * releasing the fid. */
4300 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4301 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4303 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4304 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4305 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4308 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4316 /* In general BAP1 is dedicated to transmiting packets. However,
4317 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4318 Make sure the BAP1 spinlock is held when this is called. */
4319 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4330 if (len <= ETH_ALEN * 2) {
4331 airo_print_warn(ai->dev->name, "Short packet %d", len);
4334 len -= ETH_ALEN * 2;
4336 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4337 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4338 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4340 miclen = sizeof(pMic);
4342 // packet is destination[6], source[6], payload[len-12]
4343 // write the payload length and dst/src/payload
4344 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4345 /* The hardware addresses aren't counted as part of the payload, so
4346 * we have to subtract the 12 bytes for the addresses off */
4347 payloadLen = cpu_to_le16(len + miclen);
4348 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4349 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4351 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4352 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4353 // issue the transmit command
4354 memset( &cmd, 0, sizeof( cmd ) );
4355 cmd.cmd = CMD_TRANSMIT;
4357 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4358 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4362 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4377 fc = le16_to_cpu(*(const u16*)pPacket);
4380 if ((fc & 0xe0) == 0xc0)
4386 if ((fc&0x300)==0x300){
4395 airo_print_warn(ai->dev->name, "Short packet %d", len);
4399 /* packet is 802.11 header + payload
4400 * write the payload length and dst/src/payload */
4401 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4402 /* The 802.11 header aren't counted as part of the payload, so
4403 * we have to subtract the header bytes off */
4404 payloadLen = cpu_to_le16(len-hdrlen);
4405 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4406 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4407 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4408 bap_write(ai, hdrlen == 30 ?
4409 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4411 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4412 // issue the transmit command
4413 memset( &cmd, 0, sizeof( cmd ) );
4414 cmd.cmd = CMD_TRANSMIT;
4416 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4417 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4422 * This is the proc_fs routines. It is a bit messier than I would
4423 * like! Feel free to clean it up!
4426 static ssize_t proc_read( struct file *file,
4427 char __user *buffer,
4431 static ssize_t proc_write( struct file *file,
4432 const char __user *buffer,
4435 static int proc_close( struct inode *inode, struct file *file );
4437 static int proc_stats_open( struct inode *inode, struct file *file );
4438 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4439 static int proc_status_open( struct inode *inode, struct file *file );
4440 static int proc_SSID_open( struct inode *inode, struct file *file );
4441 static int proc_APList_open( struct inode *inode, struct file *file );
4442 static int proc_BSSList_open( struct inode *inode, struct file *file );
4443 static int proc_config_open( struct inode *inode, struct file *file );
4444 static int proc_wepkey_open( struct inode *inode, struct file *file );
4446 static const struct file_operations proc_statsdelta_ops = {
4448 .open = proc_statsdelta_open,
4449 .release = proc_close
4452 static const struct file_operations proc_stats_ops = {
4454 .open = proc_stats_open,
4455 .release = proc_close
4458 static const struct file_operations proc_status_ops = {
4460 .open = proc_status_open,
4461 .release = proc_close
4464 static const struct file_operations proc_SSID_ops = {
4466 .write = proc_write,
4467 .open = proc_SSID_open,
4468 .release = proc_close
4471 static const struct file_operations proc_BSSList_ops = {
4473 .write = proc_write,
4474 .open = proc_BSSList_open,
4475 .release = proc_close
4478 static const struct file_operations proc_APList_ops = {
4480 .write = proc_write,
4481 .open = proc_APList_open,
4482 .release = proc_close
4485 static const struct file_operations proc_config_ops = {
4487 .write = proc_write,
4488 .open = proc_config_open,
4489 .release = proc_close
4492 static const struct file_operations proc_wepkey_ops = {
4494 .write = proc_write,
4495 .open = proc_wepkey_open,
4496 .release = proc_close
4499 static struct proc_dir_entry *airo_entry;
4508 void (*on_close) (struct inode *, struct file *);
4512 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4515 static int setup_proc_entry( struct net_device *dev,
4516 struct airo_info *apriv ) {
4517 struct proc_dir_entry *entry;
4518 /* First setup the device directory */
4519 strcpy(apriv->proc_name,dev->name);
4520 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4523 if (!apriv->proc_entry)
4525 apriv->proc_entry->uid = proc_uid;
4526 apriv->proc_entry->gid = proc_gid;
4527 apriv->proc_entry->owner = THIS_MODULE;
4529 /* Setup the StatsDelta */
4530 entry = create_proc_entry("StatsDelta",
4531 S_IFREG | (S_IRUGO&proc_perm),
4534 goto fail_stats_delta;
4535 entry->uid = proc_uid;
4536 entry->gid = proc_gid;
4538 entry->owner = THIS_MODULE;
4539 SETPROC_OPS(entry, proc_statsdelta_ops);
4541 /* Setup the Stats */
4542 entry = create_proc_entry("Stats",
4543 S_IFREG | (S_IRUGO&proc_perm),
4547 entry->uid = proc_uid;
4548 entry->gid = proc_gid;
4550 entry->owner = THIS_MODULE;
4551 SETPROC_OPS(entry, proc_stats_ops);
4553 /* Setup the Status */
4554 entry = create_proc_entry("Status",
4555 S_IFREG | (S_IRUGO&proc_perm),
4559 entry->uid = proc_uid;
4560 entry->gid = proc_gid;
4562 entry->owner = THIS_MODULE;
4563 SETPROC_OPS(entry, proc_status_ops);
4565 /* Setup the Config */
4566 entry = create_proc_entry("Config",
4567 S_IFREG | proc_perm,
4571 entry->uid = proc_uid;
4572 entry->gid = proc_gid;
4574 entry->owner = THIS_MODULE;
4575 SETPROC_OPS(entry, proc_config_ops);
4577 /* Setup the SSID */
4578 entry = create_proc_entry("SSID",
4579 S_IFREG | proc_perm,
4583 entry->uid = proc_uid;
4584 entry->gid = proc_gid;
4586 entry->owner = THIS_MODULE;
4587 SETPROC_OPS(entry, proc_SSID_ops);
4589 /* Setup the APList */
4590 entry = create_proc_entry("APList",
4591 S_IFREG | proc_perm,
4595 entry->uid = proc_uid;
4596 entry->gid = proc_gid;
4598 entry->owner = THIS_MODULE;
4599 SETPROC_OPS(entry, proc_APList_ops);
4601 /* Setup the BSSList */
4602 entry = create_proc_entry("BSSList",
4603 S_IFREG | proc_perm,
4607 entry->uid = proc_uid;
4608 entry->gid = proc_gid;
4610 entry->owner = THIS_MODULE;
4611 SETPROC_OPS(entry, proc_BSSList_ops);
4613 /* Setup the WepKey */
4614 entry = create_proc_entry("WepKey",
4615 S_IFREG | proc_perm,
4619 entry->uid = proc_uid;
4620 entry->gid = proc_gid;
4622 entry->owner = THIS_MODULE;
4623 SETPROC_OPS(entry, proc_wepkey_ops);
4628 remove_proc_entry("BSSList", apriv->proc_entry);
4630 remove_proc_entry("APList", apriv->proc_entry);
4632 remove_proc_entry("SSID", apriv->proc_entry);
4634 remove_proc_entry("Config", apriv->proc_entry);
4636 remove_proc_entry("Status", apriv->proc_entry);
4638 remove_proc_entry("Stats", apriv->proc_entry);
4640 remove_proc_entry("StatsDelta", apriv->proc_entry);
4642 remove_proc_entry(apriv->proc_name, airo_entry);
4647 static int takedown_proc_entry( struct net_device *dev,
4648 struct airo_info *apriv ) {
4649 if ( !apriv->proc_entry->namelen ) return 0;
4650 remove_proc_entry("Stats",apriv->proc_entry);
4651 remove_proc_entry("StatsDelta",apriv->proc_entry);
4652 remove_proc_entry("Status",apriv->proc_entry);
4653 remove_proc_entry("Config",apriv->proc_entry);
4654 remove_proc_entry("SSID",apriv->proc_entry);
4655 remove_proc_entry("APList",apriv->proc_entry);
4656 remove_proc_entry("BSSList",apriv->proc_entry);
4657 remove_proc_entry("WepKey",apriv->proc_entry);
4658 remove_proc_entry(apriv->proc_name,airo_entry);
4663 * What we want from the proc_fs is to be able to efficiently read
4664 * and write the configuration. To do this, we want to read the
4665 * configuration when the file is opened and write it when the file is
4666 * closed. So basically we allocate a read buffer at open and fill it
4667 * with data, and allocate a write buffer and read it at close.
4671 * The read routine is generic, it relies on the preallocated rbuffer
4672 * to supply the data.
4674 static ssize_t proc_read( struct file *file,
4675 char __user *buffer,
4679 loff_t pos = *offset;
4680 struct proc_data *priv = (struct proc_data*)file->private_data;
4687 if (pos >= priv->readlen)
4689 if (len > priv->readlen - pos)
4690 len = priv->readlen - pos;
4691 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4693 *offset = pos + len;
4698 * The write routine is generic, it fills in a preallocated rbuffer
4699 * to supply the data.
4701 static ssize_t proc_write( struct file *file,
4702 const char __user *buffer,
4706 loff_t pos = *offset;
4707 struct proc_data *priv = (struct proc_data*)file->private_data;
4714 if (pos >= priv->maxwritelen)
4716 if (len > priv->maxwritelen - pos)
4717 len = priv->maxwritelen - pos;
4718 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4720 if ( pos + len > priv->writelen )
4721 priv->writelen = len + file->f_pos;
4722 *offset = pos + len;
4726 static int proc_status_open( struct inode *inode, struct file *file ) {
4727 struct proc_data *data;
4728 struct proc_dir_entry *dp = PDE(inode);
4729 struct net_device *dev = dp->data;
4730 struct airo_info *apriv = dev->priv;
4731 CapabilityRid cap_rid;
4732 StatusRid status_rid;
4735 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4737 data = (struct proc_data *)file->private_data;
4738 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4739 kfree (file->private_data);
4743 readStatusRid(apriv, &status_rid, 1);
4744 readCapabilityRid(apriv, &cap_rid, 1);
4746 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4747 status_rid.mode & 1 ? "CFG ": "",
4748 status_rid.mode & 2 ? "ACT ": "",
4749 status_rid.mode & 0x10 ? "SYN ": "",
4750 status_rid.mode & 0x20 ? "LNK ": "",
4751 status_rid.mode & 0x40 ? "LEAP ": "",
4752 status_rid.mode & 0x80 ? "PRIV ": "",
4753 status_rid.mode & 0x100 ? "KEY ": "",
4754 status_rid.mode & 0x200 ? "WEP ": "",
4755 status_rid.mode & 0x8000 ? "ERR ": "");
4756 sprintf( data->rbuffer+i, "Mode: %x\n"
4757 "Signal Strength: %d\n"
4758 "Signal Quality: %d\n"
4763 "Driver Version: %s\n"
4764 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4765 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4766 "Software Version: %x\nSoftware Subversion: %x\n"
4767 "Boot block version: %x\n",
4768 (int)status_rid.mode,
4769 (int)status_rid.normalizedSignalStrength,
4770 (int)status_rid.signalQuality,
4771 (int)status_rid.SSIDlen,
4774 (int)status_rid.channel,
4775 (int)status_rid.currentXmitRate/2,
4783 (int)cap_rid.softVer,
4784 (int)cap_rid.softSubVer,
4785 (int)cap_rid.bootBlockVer );
4786 data->readlen = strlen( data->rbuffer );
4790 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4791 static int proc_statsdelta_open( struct inode *inode,
4792 struct file *file ) {
4793 if (file->f_mode&FMODE_WRITE) {
4794 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4796 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4799 static int proc_stats_open( struct inode *inode, struct file *file ) {
4800 return proc_stats_rid_open(inode, file, RID_STATS);
4803 static int proc_stats_rid_open( struct inode *inode,
4806 struct proc_data *data;
4807 struct proc_dir_entry *dp = PDE(inode);
4808 struct net_device *dev = dp->data;
4809 struct airo_info *apriv = dev->priv;
4812 u32 *vals = stats.vals;
4814 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4816 data = (struct proc_data *)file->private_data;
4817 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4818 kfree (file->private_data);
4822 readStatsRid(apriv, &stats, rid, 1);
4825 for(i=0; statsLabels[i]!=(char *)-1 &&
4826 i*4<stats.len; i++){
4827 if (!statsLabels[i]) continue;
4828 if (j+strlen(statsLabels[i])+16>4096) {
4829 airo_print_warn(apriv->dev->name,
4830 "Potentially disasterous buffer overflow averted!");
4833 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4835 if (i*4>=stats.len){
4836 airo_print_warn(apriv->dev->name, "Got a short rid");
4842 static int get_dec_u16( char *buffer, int *start, int limit ) {
4845 for( value = 0; buffer[*start] >= '0' &&
4846 buffer[*start] <= '9' &&
4847 *start < limit; (*start)++ ) {
4850 value += buffer[*start] - '0';
4852 if ( !valid ) return -1;
4856 static int airo_config_commit(struct net_device *dev,
4857 struct iw_request_info *info, void *zwrq,
4860 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4861 struct proc_data *data = file->private_data;
4862 struct proc_dir_entry *dp = PDE(inode);
4863 struct net_device *dev = dp->data;
4864 struct airo_info *ai = dev->priv;
4867 if ( !data->writelen ) return;
4869 readConfigRid(ai, 1);
4870 set_bit (FLAG_COMMIT, &ai->flags);
4872 line = data->wbuffer;
4874 /*** Mode processing */
4875 if ( !strncmp( line, "Mode: ", 6 ) ) {
4877 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4878 set_bit (FLAG_RESET, &ai->flags);
4879 ai->config.rmode &= 0xfe00;
4880 clear_bit (FLAG_802_11, &ai->flags);
4881 ai->config.opmode &= 0xFF00;
4882 ai->config.scanMode = SCANMODE_ACTIVE;
4883 if ( line[0] == 'a' ) {
4884 ai->config.opmode |= 0;
4886 ai->config.opmode |= 1;
4887 if ( line[0] == 'r' ) {
4888 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4889 ai->config.scanMode = SCANMODE_PASSIVE;
4890 set_bit (FLAG_802_11, &ai->flags);
4891 } else if ( line[0] == 'y' ) {
4892 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4893 ai->config.scanMode = SCANMODE_PASSIVE;
4894 set_bit (FLAG_802_11, &ai->flags);
4895 } else if ( line[0] == 'l' )
4896 ai->config.rmode |= RXMODE_LANMON;
4898 set_bit (FLAG_COMMIT, &ai->flags);
4901 /*** Radio status */
4902 else if (!strncmp(line,"Radio: ", 7)) {
4904 if (!strncmp(line,"off",3)) {
4905 set_bit (FLAG_RADIO_OFF, &ai->flags);
4907 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4910 /*** NodeName processing */
4911 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4915 memset( ai->config.nodeName, 0, 16 );
4916 /* Do the name, assume a space between the mode and node name */
4917 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4918 ai->config.nodeName[j] = line[j];
4920 set_bit (FLAG_COMMIT, &ai->flags);
4923 /*** PowerMode processing */
4924 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4926 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4927 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4928 set_bit (FLAG_COMMIT, &ai->flags);
4929 } else if ( !strncmp( line, "PSP", 3 ) ) {
4930 ai->config.powerSaveMode = POWERSAVE_PSP;
4931 set_bit (FLAG_COMMIT, &ai->flags);
4933 ai->config.powerSaveMode = POWERSAVE_CAM;
4934 set_bit (FLAG_COMMIT, &ai->flags);
4936 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4937 int v, i = 0, k = 0; /* i is index into line,
4938 k is index to rates */
4941 while((v = get_dec_u16(line, &i, 3))!=-1) {
4942 ai->config.rates[k++] = (u8)v;
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4950 v = get_dec_u16(line, &i, i+3);
4952 ai->config.channelSet = (u16)v;
4953 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4958 v = get_dec_u16(line, &i, i+3);
4960 ai->config.txPower = (u16)v;
4961 set_bit (FLAG_COMMIT, &ai->flags);
4963 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4967 ai->config.authType = (u16)AUTH_SHAREDKEY;
4970 ai->config.authType = (u16)AUTH_ENCRYPT;
4973 ai->config.authType = (u16)AUTH_OPEN;
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4981 v = get_dec_u16(line, &i, 3);
4982 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4983 ai->config.longRetryLimit = (u16)v;
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4989 v = get_dec_u16(line, &i, 3);
4990 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4991 ai->config.shortRetryLimit = (u16)v;
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4997 v = get_dec_u16(line, &i, 4);
4998 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4999 ai->config.rtsThres = (u16)v;
5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
5005 v = get_dec_u16(line, &i, 5);
5007 ai->config.txLifetime = (u16)v;
5008 set_bit (FLAG_COMMIT, &ai->flags);
5009 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5013 v = get_dec_u16(line, &i, 5);
5015 ai->config.rxLifetime = (u16)v;
5016 set_bit (FLAG_COMMIT, &ai->flags);
5017 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5018 ai->config.txDiversity =
5019 (line[13]=='l') ? 1 :
5020 ((line[13]=='r')? 2: 3);
5021 set_bit (FLAG_COMMIT, &ai->flags);
5022 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5023 ai->config.rxDiversity =
5024 (line[13]=='l') ? 1 :
5025 ((line[13]=='r')? 2: 3);
5026 set_bit (FLAG_COMMIT, &ai->flags);
5027 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5031 v = get_dec_u16(line, &i, 4);
5032 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5033 v = v & 0xfffe; /* Make sure its even */
5034 ai->config.fragThresh = (u16)v;
5035 set_bit (FLAG_COMMIT, &ai->flags);
5036 } else if (!strncmp(line, "Modulation: ", 12)) {
5039 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5040 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5042 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5044 } else if (!strncmp(line, "Preamble: ", 10)) {
5047 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5048 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5049 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5050 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5053 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5055 while( line[0] && line[0] != '\n' ) line++;
5056 if ( line[0] ) line++;
5058 airo_config_commit(dev, NULL, NULL, NULL);
5061 static char *get_rmode(u16 mode) {
5063 case RXMODE_RFMON: return "rfmon";
5064 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5065 case RXMODE_LANMON: return "lanmon";
5070 static int proc_config_open( struct inode *inode, struct file *file ) {
5071 struct proc_data *data;
5072 struct proc_dir_entry *dp = PDE(inode);
5073 struct net_device *dev = dp->data;
5074 struct airo_info *ai = dev->priv;
5077 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5079 data = (struct proc_data *)file->private_data;
5080 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5081 kfree (file->private_data);
5084 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5085 kfree (data->rbuffer);
5086 kfree (file->private_data);
5089 data->maxwritelen = 2048;
5090 data->on_close = proc_config_on_close;
5092 readConfigRid(ai, 1);
5094 i = sprintf( data->rbuffer,
5099 "DataRates: %d %d %d %d %d %d %d %d\n"
5102 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5103 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5104 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5105 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5106 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5107 ai->config.nodeName,
5108 ai->config.powerSaveMode == 0 ? "CAM" :
5109 ai->config.powerSaveMode == 1 ? "PSP" :
5110 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5111 (int)ai->config.rates[0],
5112 (int)ai->config.rates[1],
5113 (int)ai->config.rates[2],
5114 (int)ai->config.rates[3],
5115 (int)ai->config.rates[4],
5116 (int)ai->config.rates[5],
5117 (int)ai->config.rates[6],
5118 (int)ai->config.rates[7],
5119 (int)ai->config.channelSet,
5120 (int)ai->config.txPower
5122 sprintf( data->rbuffer + i,
5123 "LongRetryLimit: %d\n"
5124 "ShortRetryLimit: %d\n"
5125 "RTSThreshold: %d\n"
5126 "TXMSDULifetime: %d\n"
5127 "RXMSDULifetime: %d\n"
5130 "FragThreshold: %d\n"
5134 (int)ai->config.longRetryLimit,
5135 (int)ai->config.shortRetryLimit,
5136 (int)ai->config.rtsThres,
5137 (int)ai->config.txLifetime,
5138 (int)ai->config.rxLifetime,
5139 ai->config.txDiversity == 1 ? "left" :
5140 ai->config.txDiversity == 2 ? "right" : "both",
5141 ai->config.rxDiversity == 1 ? "left" :
5142 ai->config.rxDiversity == 2 ? "right" : "both",
5143 (int)ai->config.fragThresh,
5144 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5145 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5146 ai->config.modulation == 0 ? "default" :
5147 ai->config.modulation == MOD_CCK ? "cck" :
5148 ai->config.modulation == MOD_MOK ? "mok" : "error",
5149 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5150 ai->config.preamble == PREAMBLE_LONG ? "long" :
5151 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5153 data->readlen = strlen( data->rbuffer );
5157 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5158 struct proc_data *data = (struct proc_data *)file->private_data;
5159 struct proc_dir_entry *dp = PDE(inode);
5160 struct net_device *dev = dp->data;
5161 struct airo_info *ai = dev->priv;
5166 if ( !data->writelen ) return;
5168 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5170 for( i = 0; i < 3; i++ ) {
5172 for( j = 0; j+offset < data->writelen && j < 32 &&
5173 data->wbuffer[offset+j] != '\n'; j++ ) {
5174 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5176 if ( j == 0 ) break;
5177 SSID_rid.ssids[i].len = j;
5179 while( data->wbuffer[offset] != '\n' &&
5180 offset < data->writelen ) offset++;
5184 SSID_rid.len = sizeof(SSID_rid);
5186 writeSsidRid(ai, &SSID_rid, 1);
5190 static inline u8 hexVal(char c) {
5191 if (c>='0' && c<='9') return c -= '0';
5192 if (c>='a' && c<='f') return c -= 'a'-10;
5193 if (c>='A' && c<='F') return c -= 'A'-10;
5197 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5198 struct proc_data *data = (struct proc_data *)file->private_data;
5199 struct proc_dir_entry *dp = PDE(inode);
5200 struct net_device *dev = dp->data;
5201 struct airo_info *ai = dev->priv;
5202 APListRid APList_rid;
5205 if ( !data->writelen ) return;
5207 memset( &APList_rid, 0, sizeof(APList_rid) );
5208 APList_rid.len = sizeof(APList_rid);
5210 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5212 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5215 APList_rid.ap[i][j/3]=
5216 hexVal(data->wbuffer[j+i*6*3])<<4;
5219 APList_rid.ap[i][j/3]|=
5220 hexVal(data->wbuffer[j+i*6*3]);
5226 writeAPListRid(ai, &APList_rid, 1);
5230 /* This function wraps PC4500_writerid with a MAC disable */
5231 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5232 int len, int dummy ) {
5236 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5241 /* Returns the length of the key at the index. If index == 0xffff
5242 * the index of the transmit key is returned. If the key doesn't exist,
5243 * -1 will be returned.
5245 static int get_wep_key(struct airo_info *ai, u16 index) {
5250 rc = readWepKeyRid(ai, &wkr, 1, 1);
5251 if (rc == SUCCESS) do {
5252 lastindex = wkr.kindex;
5253 if (wkr.kindex == index) {
5254 if (index == 0xffff) {
5259 readWepKeyRid(ai, &wkr, 0, 1);
5260 } while(lastindex != wkr.kindex);
5264 static int set_wep_key(struct airo_info *ai, u16 index,
5265 const char *key, u16 keylen, int perm, int lock ) {
5266 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5269 memset(&wkr, 0, sizeof(wkr));
5271 // We are selecting which key to use
5272 wkr.len = sizeof(wkr);
5273 wkr.kindex = 0xffff;
5274 wkr.mac[0] = (char)index;
5275 if (perm) ai->defindex = (char)index;
5277 // We are actually setting the key
5278 wkr.len = sizeof(wkr);
5281 memcpy( wkr.key, key, keylen );
5282 memcpy( wkr.mac, macaddr, ETH_ALEN );
5285 if (perm) disable_MAC(ai, lock);
5286 writeWepKeyRid(ai, &wkr, perm, lock);
5287 if (perm) enable_MAC(ai, lock);
5291 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5292 struct proc_data *data;
5293 struct proc_dir_entry *dp = PDE(inode);
5294 struct net_device *dev = dp->data;
5295 struct airo_info *ai = dev->priv;
5301 memset(key, 0, sizeof(key));
5303 data = (struct proc_data *)file->private_data;
5304 if ( !data->writelen ) return;
5306 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5307 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5308 index = data->wbuffer[0] - '0';
5309 if (data->wbuffer[1] == '\n') {
5310 set_wep_key(ai, index, NULL, 0, 1, 1);
5315 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5319 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5322 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5325 key[i/3] |= hexVal(data->wbuffer[i+j]);
5329 set_wep_key(ai, index, key, i/3, 1, 1);
5332 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5333 struct proc_data *data;
5334 struct proc_dir_entry *dp = PDE(inode);
5335 struct net_device *dev = dp->data;
5336 struct airo_info *ai = dev->priv;
5343 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5345 memset(&wkr, 0, sizeof(wkr));
5346 data = (struct proc_data *)file->private_data;
5347 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5348 kfree (file->private_data);
5352 data->maxwritelen = 80;
5353 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5354 kfree (data->rbuffer);
5355 kfree (file->private_data);
5358 data->on_close = proc_wepkey_on_close;
5360 ptr = data->rbuffer;
5361 strcpy(ptr, "No wep keys\n");
5362 rc = readWepKeyRid(ai, &wkr, 1, 1);
5363 if (rc == SUCCESS) do {
5364 lastindex = wkr.kindex;
5365 if (wkr.kindex == 0xffff) {
5366 j += sprintf(ptr+j, "Tx key = %d\n",
5369 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5370 (int)wkr.kindex, (int)wkr.klen);
5372 readWepKeyRid(ai, &wkr, 0, 1);
5373 } while((lastindex != wkr.kindex) && (j < 180-30));
5375 data->readlen = strlen( data->rbuffer );
5379 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5380 struct proc_data *data;
5381 struct proc_dir_entry *dp = PDE(inode);
5382 struct net_device *dev = dp->data;
5383 struct airo_info *ai = dev->priv;
5388 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5390 data = (struct proc_data *)file->private_data;
5391 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5392 kfree (file->private_data);
5396 data->maxwritelen = 33*3;
5397 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5398 kfree (data->rbuffer);
5399 kfree (file->private_data);
5402 data->on_close = proc_SSID_on_close;
5404 readSsidRid(ai, &SSID_rid);
5405 ptr = data->rbuffer;
5406 for( i = 0; i < 3; i++ ) {
5408 if ( !SSID_rid.ssids[i].len ) break;
5409 for( j = 0; j < 32 &&
5410 j < SSID_rid.ssids[i].len &&
5411 SSID_rid.ssids[i].ssid[j]; j++ ) {
5412 *ptr++ = SSID_rid.ssids[i].ssid[j];
5417 data->readlen = strlen( data->rbuffer );
5421 static int proc_APList_open( struct inode *inode, struct file *file ) {
5422 struct proc_data *data;
5423 struct proc_dir_entry *dp = PDE(inode);
5424 struct net_device *dev = dp->data;
5425 struct airo_info *ai = dev->priv;
5428 APListRid APList_rid;
5430 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5432 data = (struct proc_data *)file->private_data;
5433 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5434 kfree (file->private_data);
5438 data->maxwritelen = 4*6*3;
5439 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5440 kfree (data->rbuffer);
5441 kfree (file->private_data);
5444 data->on_close = proc_APList_on_close;
5446 readAPListRid(ai, &APList_rid);
5447 ptr = data->rbuffer;
5448 for( i = 0; i < 4; i++ ) {
5449 // We end when we find a zero MAC
5450 if ( !*(int*)APList_rid.ap[i] &&
5451 !*(int*)&APList_rid.ap[i][2]) break;
5452 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5453 (int)APList_rid.ap[i][0],
5454 (int)APList_rid.ap[i][1],
5455 (int)APList_rid.ap[i][2],
5456 (int)APList_rid.ap[i][3],
5457 (int)APList_rid.ap[i][4],
5458 (int)APList_rid.ap[i][5]);
5460 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5463 data->readlen = strlen( data->rbuffer );
5467 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5468 struct proc_data *data;
5469 struct proc_dir_entry *dp = PDE(inode);
5470 struct net_device *dev = dp->data;
5471 struct airo_info *ai = dev->priv;
5473 BSSListRid BSSList_rid;
5475 /* If doLoseSync is not 1, we won't do a Lose Sync */
5476 int doLoseSync = -1;
5478 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5480 data = (struct proc_data *)file->private_data;
5481 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5482 kfree (file->private_data);
5486 data->maxwritelen = 0;
5487 data->wbuffer = NULL;
5488 data->on_close = NULL;
5490 if (file->f_mode & FMODE_WRITE) {
5491 if (!(file->f_mode & FMODE_READ)) {
5495 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5496 memset(&cmd, 0, sizeof(cmd));
5497 cmd.cmd=CMD_LISTBSS;
5498 if (down_interruptible(&ai->sem))
5499 return -ERESTARTSYS;
5500 issuecommand(ai, &cmd, &rsp);
5507 ptr = data->rbuffer;
5508 /* There is a race condition here if there are concurrent opens.
5509 Since it is a rare condition, we'll just live with it, otherwise
5510 we have to add a spin lock... */
5511 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5512 while(rc == 0 && BSSList_rid.index != 0xffff) {
5513 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5514 (int)BSSList_rid.bssid[0],
5515 (int)BSSList_rid.bssid[1],
5516 (int)BSSList_rid.bssid[2],
5517 (int)BSSList_rid.bssid[3],
5518 (int)BSSList_rid.bssid[4],
5519 (int)BSSList_rid.bssid[5],
5520 (int)BSSList_rid.ssidLen,
5522 (int)BSSList_rid.dBm);
5523 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5524 (int)BSSList_rid.dsChannel,
5525 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5526 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5527 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5528 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5529 rc = readBSSListRid(ai, 0, &BSSList_rid);
5532 data->readlen = strlen( data->rbuffer );
5536 static int proc_close( struct inode *inode, struct file *file )
5538 struct proc_data *data = file->private_data;
5540 if (data->on_close != NULL)
5541 data->on_close(inode, file);
5542 kfree(data->rbuffer);
5543 kfree(data->wbuffer);
5548 /* Since the card doesn't automatically switch to the right WEP mode,
5549 we will make it do it. If the card isn't associated, every secs we
5550 will switch WEP modes to see if that will help. If the card is
5551 associated we will check every minute to see if anything has
5553 static void timer_func( struct net_device *dev ) {
5554 struct airo_info *apriv = dev->priv;
5556 /* We don't have a link so try changing the authtype */
5557 readConfigRid(apriv, 0);
5558 disable_MAC(apriv, 0);
5559 switch(apriv->config.authType) {
5561 /* So drop to OPEN */
5562 apriv->config.authType = AUTH_OPEN;
5564 case AUTH_SHAREDKEY:
5565 if (apriv->keyindex < auto_wep) {
5566 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5567 apriv->config.authType = AUTH_SHAREDKEY;
5570 /* Drop to ENCRYPT */
5571 apriv->keyindex = 0;
5572 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5573 apriv->config.authType = AUTH_ENCRYPT;
5576 default: /* We'll escalate to SHAREDKEY */
5577 apriv->config.authType = AUTH_SHAREDKEY;
5579 set_bit (FLAG_COMMIT, &apriv->flags);
5580 writeConfigRid(apriv, 0);
5581 enable_MAC(apriv, 0);
5584 /* Schedule check to see if the change worked */
5585 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5586 apriv->expires = RUN_AT(HZ*3);
5590 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5591 const struct pci_device_id *pent)
5593 struct net_device *dev;
5595 if (pci_enable_device(pdev))
5597 pci_set_master(pdev);
5599 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5600 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5602 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5604 pci_disable_device(pdev);
5608 pci_set_drvdata(pdev, dev);
5612 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5614 struct net_device *dev = pci_get_drvdata(pdev);
5616 airo_print_info(dev->name, "Unregistering...");
5617 stop_airo_card(dev, 1);
5618 pci_disable_device(pdev);
5619 pci_set_drvdata(pdev, NULL);
5622 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5624 struct net_device *dev = pci_get_drvdata(pdev);
5625 struct airo_info *ai = dev->priv;
5629 if ((ai->APList == NULL) &&
5630 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5632 if ((ai->SSID == NULL) &&
5633 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5635 readAPListRid(ai, ai->APList);
5636 readSsidRid(ai, ai->SSID);
5637 memset(&cmd, 0, sizeof(cmd));
5638 /* the lock will be released at the end of the resume callback */
5639 if (down_interruptible(&ai->sem))
5642 netif_device_detach(dev);
5645 issuecommand(ai, &cmd, &rsp);
5647 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5648 pci_save_state(pdev);
5649 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5652 static int airo_pci_resume(struct pci_dev *pdev)
5654 struct net_device *dev = pci_get_drvdata(pdev);
5655 struct airo_info *ai = dev->priv;
5656 pci_power_t prev_state = pdev->current_state;
5658 pci_set_power_state(pdev, PCI_D0);
5659 pci_restore_state(pdev);
5660 pci_enable_wake(pdev, PCI_D0, 0);
5662 if (prev_state != PCI_D1) {
5664 mpi_init_descriptors(ai);
5665 setup_card(ai, dev->dev_addr, 0);
5666 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5667 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5669 OUT4500(ai, EVACK, EV_AWAKEN);
5670 OUT4500(ai, EVACK, EV_AWAKEN);
5674 set_bit (FLAG_COMMIT, &ai->flags);
5678 writeSsidRid(ai, ai->SSID, 0);
5683 writeAPListRid(ai, ai->APList, 0);
5687 writeConfigRid(ai, 0);
5689 ai->power = PMSG_ON;
5690 netif_device_attach(dev);
5691 netif_wake_queue(dev);
5692 enable_interrupts(ai);
5698 static int __init airo_init_module( void )
5702 int have_isa_dev = 0;
5705 airo_entry = create_proc_entry("aironet",
5706 S_IFDIR | airo_perm,
5710 airo_entry->uid = proc_uid;
5711 airo_entry->gid = proc_gid;
5714 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5715 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5716 "io=0x%x", irq[i], io[i] );
5717 if (init_airo_card( irq[i], io[i], 0, NULL ))
5726 airo_print_info("", "Probing for PCI adapters");
5727 i = pci_register_driver(&airo_driver);
5728 airo_print_info("", "Finished probing for PCI adapters");
5731 remove_proc_entry("aironet", proc_root_driver);
5736 /* Always exit with success, as we are a library module
5737 * as well as a driver module
5742 static void __exit airo_cleanup_module( void )
5744 struct airo_info *ai;
5745 while(!list_empty(&airo_devices)) {
5746 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5747 airo_print_info(ai->dev->name, "Unregistering...");
5748 stop_airo_card(ai->dev, 1);
5751 pci_unregister_driver(&airo_driver);
5753 remove_proc_entry("aironet", proc_root_driver);
5757 * Initial Wireless Extension code for Aironet driver by :
5758 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5759 * Conversion to new driver API by :
5760 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5761 * Javier also did a good amount of work here, adding some new extensions
5762 * and fixing my code. Let's just say that without him this code just
5763 * would not work at all... - Jean II
5766 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5771 return (0x100 - rssi_rid[rssi].rssidBm);
5774 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5781 for( i = 0; i < 256; i++ )
5782 if (rssi_rid[i].rssidBm == dbm)
5783 return rssi_rid[i].rssipct;
5789 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5793 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5794 if (memcmp(cap_rid->prodName, "350", 3))
5795 if (status_rid->signalQuality > 0x20)
5798 quality = 0x20 - status_rid->signalQuality;
5800 if (status_rid->signalQuality > 0xb0)
5802 else if (status_rid->signalQuality < 0x10)
5805 quality = 0xb0 - status_rid->signalQuality;
5810 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5811 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5813 /*------------------------------------------------------------------*/
5815 * Wireless Handler : get protocol name
5817 static int airo_get_name(struct net_device *dev,
5818 struct iw_request_info *info,
5822 strcpy(cwrq, "IEEE 802.11-DS");
5826 /*------------------------------------------------------------------*/
5828 * Wireless Handler : set frequency
5830 static int airo_set_freq(struct net_device *dev,
5831 struct iw_request_info *info,
5832 struct iw_freq *fwrq,
5835 struct airo_info *local = dev->priv;
5836 int rc = -EINPROGRESS; /* Call commit handler */
5838 /* If setting by frequency, convert to a channel */
5839 if((fwrq->e == 1) &&
5840 (fwrq->m >= (int) 2.412e8) &&
5841 (fwrq->m <= (int) 2.487e8)) {
5842 int f = fwrq->m / 100000;
5844 while((c < 14) && (f != frequency_list[c]))
5846 /* Hack to fall through... */
5850 /* Setting by channel number */
5851 if((fwrq->m > 1000) || (fwrq->e > 0))
5854 int channel = fwrq->m;
5855 /* We should do a better check than that,
5856 * based on the card capability !!! */
5857 if((channel < 1) || (channel > 14)) {
5858 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5862 readConfigRid(local, 1);
5863 /* Yes ! We can set it !!! */
5864 local->config.channelSet = (u16) channel;
5865 set_bit (FLAG_COMMIT, &local->flags);
5871 /*------------------------------------------------------------------*/
5873 * Wireless Handler : get frequency
5875 static int airo_get_freq(struct net_device *dev,
5876 struct iw_request_info *info,
5877 struct iw_freq *fwrq,
5880 struct airo_info *local = dev->priv;
5881 StatusRid status_rid; /* Card status info */
5884 readConfigRid(local, 1);
5885 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5886 status_rid.channel = local->config.channelSet;
5888 readStatusRid(local, &status_rid, 1);
5890 ch = (int)status_rid.channel;
5891 if((ch > 0) && (ch < 15)) {
5892 fwrq->m = frequency_list[ch - 1] * 100000;
5902 /*------------------------------------------------------------------*/
5904 * Wireless Handler : set ESSID
5906 static int airo_set_essid(struct net_device *dev,
5907 struct iw_request_info *info,
5908 struct iw_point *dwrq,
5911 struct airo_info *local = dev->priv;
5912 SsidRid SSID_rid; /* SSIDs */
5914 /* Reload the list of current SSID */
5915 readSsidRid(local, &SSID_rid);
5917 /* Check if we asked for `any' */
5918 if(dwrq->flags == 0) {
5919 /* Just send an empty SSID list */
5920 memset(&SSID_rid, 0, sizeof(SSID_rid));
5922 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5924 /* Check the size of the string */
5925 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5928 /* Check if index is valid */
5929 if((index < 0) || (index >= 4)) {
5934 memset(SSID_rid.ssids[index].ssid, 0,
5935 sizeof(SSID_rid.ssids[index].ssid));
5936 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5937 SSID_rid.ssids[index].len = dwrq->length;
5939 SSID_rid.len = sizeof(SSID_rid);
5940 /* Write it to the card */
5941 disable_MAC(local, 1);
5942 writeSsidRid(local, &SSID_rid, 1);
5943 enable_MAC(local, 1);
5948 /*------------------------------------------------------------------*/
5950 * Wireless Handler : get ESSID
5952 static int airo_get_essid(struct net_device *dev,
5953 struct iw_request_info *info,
5954 struct iw_point *dwrq,
5957 struct airo_info *local = dev->priv;
5958 StatusRid status_rid; /* Card status info */
5960 readStatusRid(local, &status_rid, 1);
5962 /* Note : if dwrq->flags != 0, we should
5963 * get the relevant SSID from the SSID list... */
5965 /* Get the current SSID */
5966 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5967 /* If none, we may want to get the one that was set */
5970 dwrq->length = status_rid.SSIDlen;
5971 dwrq->flags = 1; /* active */
5976 /*------------------------------------------------------------------*/
5978 * Wireless Handler : set AP address
5980 static int airo_set_wap(struct net_device *dev,
5981 struct iw_request_info *info,
5982 struct sockaddr *awrq,
5985 struct airo_info *local = dev->priv;
5988 APListRid APList_rid;
5989 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5990 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5992 if (awrq->sa_family != ARPHRD_ETHER)
5994 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5995 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5996 memset(&cmd, 0, sizeof(cmd));
5997 cmd.cmd=CMD_LOSE_SYNC;
5998 if (down_interruptible(&local->sem))
5999 return -ERESTARTSYS;
6000 issuecommand(local, &cmd, &rsp);
6003 memset(&APList_rid, 0, sizeof(APList_rid));
6004 APList_rid.len = sizeof(APList_rid);
6005 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6006 disable_MAC(local, 1);
6007 writeAPListRid(local, &APList_rid, 1);
6008 enable_MAC(local, 1);
6013 /*------------------------------------------------------------------*/
6015 * Wireless Handler : get AP address
6017 static int airo_get_wap(struct net_device *dev,
6018 struct iw_request_info *info,
6019 struct sockaddr *awrq,
6022 struct airo_info *local = dev->priv;
6023 StatusRid status_rid; /* Card status info */
6025 readStatusRid(local, &status_rid, 1);
6027 /* Tentative. This seems to work, wow, I'm lucky !!! */
6028 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6029 awrq->sa_family = ARPHRD_ETHER;
6034 /*------------------------------------------------------------------*/
6036 * Wireless Handler : set Nickname
6038 static int airo_set_nick(struct net_device *dev,
6039 struct iw_request_info *info,
6040 struct iw_point *dwrq,
6043 struct airo_info *local = dev->priv;
6045 /* Check the size of the string */
6046 if(dwrq->length > 16) {
6049 readConfigRid(local, 1);
6050 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6051 memcpy(local->config.nodeName, extra, dwrq->length);
6052 set_bit (FLAG_COMMIT, &local->flags);
6054 return -EINPROGRESS; /* Call commit handler */
6057 /*------------------------------------------------------------------*/
6059 * Wireless Handler : get Nickname
6061 static int airo_get_nick(struct net_device *dev,
6062 struct iw_request_info *info,
6063 struct iw_point *dwrq,
6066 struct airo_info *local = dev->priv;
6068 readConfigRid(local, 1);
6069 strncpy(extra, local->config.nodeName, 16);
6071 dwrq->length = strlen(extra);
6076 /*------------------------------------------------------------------*/
6078 * Wireless Handler : set Bit-Rate
6080 static int airo_set_rate(struct net_device *dev,
6081 struct iw_request_info *info,
6082 struct iw_param *vwrq,
6085 struct airo_info *local = dev->priv;
6086 CapabilityRid cap_rid; /* Card capability info */
6090 /* First : get a valid bit rate value */
6091 readCapabilityRid(local, &cap_rid, 1);
6093 /* Which type of value ? */
6094 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6095 /* Setting by rate index */
6096 /* Find value in the magic rate table */
6097 brate = cap_rid.supportedRates[vwrq->value];
6099 /* Setting by frequency value */
6100 u8 normvalue = (u8) (vwrq->value/500000);
6102 /* Check if rate is valid */
6103 for(i = 0 ; i < 8 ; i++) {
6104 if(normvalue == cap_rid.supportedRates[i]) {
6110 /* -1 designed the max rate (mostly auto mode) */
6111 if(vwrq->value == -1) {
6112 /* Get the highest available rate */
6113 for(i = 0 ; i < 8 ; i++) {
6114 if(cap_rid.supportedRates[i] == 0)
6118 brate = cap_rid.supportedRates[i - 1];
6120 /* Check that it is valid */
6125 readConfigRid(local, 1);
6126 /* Now, check if we want a fixed or auto value */
6127 if(vwrq->fixed == 0) {
6128 /* Fill all the rates up to this max rate */
6129 memset(local->config.rates, 0, 8);
6130 for(i = 0 ; i < 8 ; i++) {
6131 local->config.rates[i] = cap_rid.supportedRates[i];
6132 if(local->config.rates[i] == brate)
6137 /* One rate, fixed */
6138 memset(local->config.rates, 0, 8);
6139 local->config.rates[0] = brate;
6141 set_bit (FLAG_COMMIT, &local->flags);
6143 return -EINPROGRESS; /* Call commit handler */
6146 /*------------------------------------------------------------------*/
6148 * Wireless Handler : get Bit-Rate
6150 static int airo_get_rate(struct net_device *dev,
6151 struct iw_request_info *info,
6152 struct iw_param *vwrq,
6155 struct airo_info *local = dev->priv;
6156 StatusRid status_rid; /* Card status info */
6158 readStatusRid(local, &status_rid, 1);
6160 vwrq->value = status_rid.currentXmitRate * 500000;
6161 /* If more than one rate, set auto */
6162 readConfigRid(local, 1);
6163 vwrq->fixed = (local->config.rates[1] == 0);
6168 /*------------------------------------------------------------------*/
6170 * Wireless Handler : set RTS threshold
6172 static int airo_set_rts(struct net_device *dev,
6173 struct iw_request_info *info,
6174 struct iw_param *vwrq,
6177 struct airo_info *local = dev->priv;
6178 int rthr = vwrq->value;
6181 rthr = AIRO_DEF_MTU;
6182 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6185 readConfigRid(local, 1);
6186 local->config.rtsThres = rthr;
6187 set_bit (FLAG_COMMIT, &local->flags);
6189 return -EINPROGRESS; /* Call commit handler */
6192 /*------------------------------------------------------------------*/
6194 * Wireless Handler : get RTS threshold
6196 static int airo_get_rts(struct net_device *dev,
6197 struct iw_request_info *info,
6198 struct iw_param *vwrq,
6201 struct airo_info *local = dev->priv;
6203 readConfigRid(local, 1);
6204 vwrq->value = local->config.rtsThres;
6205 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6211 /*------------------------------------------------------------------*/
6213 * Wireless Handler : set Fragmentation threshold
6215 static int airo_set_frag(struct net_device *dev,
6216 struct iw_request_info *info,
6217 struct iw_param *vwrq,
6220 struct airo_info *local = dev->priv;
6221 int fthr = vwrq->value;
6224 fthr = AIRO_DEF_MTU;
6225 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6228 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6229 readConfigRid(local, 1);
6230 local->config.fragThresh = (u16)fthr;
6231 set_bit (FLAG_COMMIT, &local->flags);
6233 return -EINPROGRESS; /* Call commit handler */
6236 /*------------------------------------------------------------------*/
6238 * Wireless Handler : get Fragmentation threshold
6240 static int airo_get_frag(struct net_device *dev,
6241 struct iw_request_info *info,
6242 struct iw_param *vwrq,
6245 struct airo_info *local = dev->priv;
6247 readConfigRid(local, 1);
6248 vwrq->value = local->config.fragThresh;
6249 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6255 /*------------------------------------------------------------------*/
6257 * Wireless Handler : set Mode of Operation
6259 static int airo_set_mode(struct net_device *dev,
6260 struct iw_request_info *info,
6264 struct airo_info *local = dev->priv;
6267 readConfigRid(local, 1);
6268 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6273 local->config.opmode &= 0xFF00;
6274 local->config.opmode |= MODE_STA_IBSS;
6275 local->config.rmode &= 0xfe00;
6276 local->config.scanMode = SCANMODE_ACTIVE;
6277 clear_bit (FLAG_802_11, &local->flags);
6280 local->config.opmode &= 0xFF00;
6281 local->config.opmode |= MODE_STA_ESS;
6282 local->config.rmode &= 0xfe00;
6283 local->config.scanMode = SCANMODE_ACTIVE;
6284 clear_bit (FLAG_802_11, &local->flags);
6286 case IW_MODE_MASTER:
6287 local->config.opmode &= 0xFF00;
6288 local->config.opmode |= MODE_AP;
6289 local->config.rmode &= 0xfe00;
6290 local->config.scanMode = SCANMODE_ACTIVE;
6291 clear_bit (FLAG_802_11, &local->flags);
6293 case IW_MODE_REPEAT:
6294 local->config.opmode &= 0xFF00;
6295 local->config.opmode |= MODE_AP_RPTR;
6296 local->config.rmode &= 0xfe00;
6297 local->config.scanMode = SCANMODE_ACTIVE;
6298 clear_bit (FLAG_802_11, &local->flags);
6300 case IW_MODE_MONITOR:
6301 local->config.opmode &= 0xFF00;
6302 local->config.opmode |= MODE_STA_ESS;
6303 local->config.rmode &= 0xfe00;
6304 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6305 local->config.scanMode = SCANMODE_PASSIVE;
6306 set_bit (FLAG_802_11, &local->flags);
6312 set_bit (FLAG_RESET, &local->flags);
6313 set_bit (FLAG_COMMIT, &local->flags);
6315 return -EINPROGRESS; /* Call commit handler */
6318 /*------------------------------------------------------------------*/
6320 * Wireless Handler : get Mode of Operation
6322 static int airo_get_mode(struct net_device *dev,
6323 struct iw_request_info *info,
6327 struct airo_info *local = dev->priv;
6329 readConfigRid(local, 1);
6330 /* If not managed, assume it's ad-hoc */
6331 switch (local->config.opmode & 0xFF) {
6333 *uwrq = IW_MODE_INFRA;
6336 *uwrq = IW_MODE_MASTER;
6339 *uwrq = IW_MODE_REPEAT;
6342 *uwrq = IW_MODE_ADHOC;
6348 /*------------------------------------------------------------------*/
6350 * Wireless Handler : set Encryption Key
6352 static int airo_set_encode(struct net_device *dev,
6353 struct iw_request_info *info,
6354 struct iw_point *dwrq,
6357 struct airo_info *local = dev->priv;
6358 CapabilityRid cap_rid; /* Card capability info */
6359 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6360 u16 currentAuthType = local->config.authType;
6362 /* Is WEP supported ? */
6363 readCapabilityRid(local, &cap_rid, 1);
6364 /* Older firmware doesn't support this...
6365 if(!(cap_rid.softCap & 2)) {
6368 readConfigRid(local, 1);
6370 /* Basic checking: do we have a key to set ?
6371 * Note : with the new API, it's impossible to get a NULL pointer.
6372 * Therefore, we need to check a key size == 0 instead.
6373 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6374 * when no key is present (only change flags), but older versions
6375 * don't do it. - Jean II */
6376 if (dwrq->length > 0) {
6378 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6379 int current_index = get_wep_key(local, 0xffff);
6380 /* Check the size of the key */
6381 if (dwrq->length > MAX_KEY_SIZE) {
6384 /* Check the index (none -> use current) */
6385 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6386 index = current_index;
6387 /* Set the length */
6388 if (dwrq->length > MIN_KEY_SIZE)
6389 key.len = MAX_KEY_SIZE;
6391 if (dwrq->length > 0)
6392 key.len = MIN_KEY_SIZE;
6394 /* Disable the key */
6396 /* Check if the key is not marked as invalid */
6397 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6399 memset(key.key, 0, MAX_KEY_SIZE);
6400 /* Copy the key in the driver */
6401 memcpy(key.key, extra, dwrq->length);
6402 /* Send the key to the card */
6403 set_wep_key(local, index, key.key, key.len, perm, 1);
6405 /* WE specify that if a valid key is set, encryption
6406 * should be enabled (user may turn it off later)
6407 * This is also how "iwconfig ethX key on" works */
6408 if((index == current_index) && (key.len > 0) &&
6409 (local->config.authType == AUTH_OPEN)) {
6410 local->config.authType = AUTH_ENCRYPT;
6413 /* Do we want to just set the transmit key index ? */
6414 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6415 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6416 set_wep_key(local, index, NULL, 0, perm, 1);
6418 /* Don't complain if only change the mode */
6419 if(!dwrq->flags & IW_ENCODE_MODE) {
6423 /* Read the flags */
6424 if(dwrq->flags & IW_ENCODE_DISABLED)
6425 local->config.authType = AUTH_OPEN; // disable encryption
6426 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6427 local->config.authType = AUTH_SHAREDKEY; // Only Both
6428 if(dwrq->flags & IW_ENCODE_OPEN)
6429 local->config.authType = AUTH_ENCRYPT; // Only Wep
6430 /* Commit the changes to flags if needed */
6431 if (local->config.authType != currentAuthType)
6432 set_bit (FLAG_COMMIT, &local->flags);
6433 return -EINPROGRESS; /* Call commit handler */
6436 /*------------------------------------------------------------------*/
6438 * Wireless Handler : get Encryption Key
6440 static int airo_get_encode(struct net_device *dev,
6441 struct iw_request_info *info,
6442 struct iw_point *dwrq,
6445 struct airo_info *local = dev->priv;
6446 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6447 CapabilityRid cap_rid; /* Card capability info */
6449 /* Is it supported ? */
6450 readCapabilityRid(local, &cap_rid, 1);
6451 if(!(cap_rid.softCap & 2)) {
6454 readConfigRid(local, 1);
6455 /* Check encryption mode */
6456 switch(local->config.authType) {
6458 dwrq->flags = IW_ENCODE_OPEN;
6460 case AUTH_SHAREDKEY:
6461 dwrq->flags = IW_ENCODE_RESTRICTED;
6465 dwrq->flags = IW_ENCODE_DISABLED;
6468 /* We can't return the key, so set the proper flag and return zero */
6469 dwrq->flags |= IW_ENCODE_NOKEY;
6470 memset(extra, 0, 16);
6472 /* Which key do we want ? -1 -> tx index */
6473 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6474 index = get_wep_key(local, 0xffff);
6475 dwrq->flags |= index + 1;
6476 /* Copy the key to the user buffer */
6477 dwrq->length = get_wep_key(local, index);
6478 if (dwrq->length > 16) {
6484 /*------------------------------------------------------------------*/
6486 * Wireless Handler : set extended Encryption parameters
6488 static int airo_set_encodeext(struct net_device *dev,
6489 struct iw_request_info *info,
6490 union iwreq_data *wrqu,
6493 struct airo_info *local = dev->priv;
6494 struct iw_point *encoding = &wrqu->encoding;
6495 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6496 CapabilityRid cap_rid; /* Card capability info */
6497 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6498 u16 currentAuthType = local->config.authType;
6499 int idx, key_len, alg = ext->alg, set_key = 1;
6502 /* Is WEP supported ? */
6503 readCapabilityRid(local, &cap_rid, 1);
6504 /* Older firmware doesn't support this...
6505 if(!(cap_rid.softCap & 2)) {
6508 readConfigRid(local, 1);
6510 /* Determine and validate the key index */
6511 idx = encoding->flags & IW_ENCODE_INDEX;
6513 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6517 idx = get_wep_key(local, 0xffff);
6519 if (encoding->flags & IW_ENCODE_DISABLED)
6520 alg = IW_ENCODE_ALG_NONE;
6522 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6523 /* Only set transmit key index here, actual
6524 * key is set below if needed.
6526 set_wep_key(local, idx, NULL, 0, perm, 1);
6527 set_key = ext->key_len > 0 ? 1 : 0;
6531 /* Set the requested key first */
6532 memset(key.key, 0, MAX_KEY_SIZE);
6534 case IW_ENCODE_ALG_NONE:
6537 case IW_ENCODE_ALG_WEP:
6538 if (ext->key_len > MIN_KEY_SIZE) {
6539 key.len = MAX_KEY_SIZE;
6540 } else if (ext->key_len > 0) {
6541 key.len = MIN_KEY_SIZE;
6545 key_len = min (ext->key_len, key.len);
6546 memcpy(key.key, ext->key, key_len);
6551 /* Send the key to the card */
6552 set_wep_key(local, idx, key.key, key.len, perm, 1);
6555 /* Read the flags */
6556 if(encoding->flags & IW_ENCODE_DISABLED)
6557 local->config.authType = AUTH_OPEN; // disable encryption
6558 if(encoding->flags & IW_ENCODE_RESTRICTED)
6559 local->config.authType = AUTH_SHAREDKEY; // Only Both
6560 if(encoding->flags & IW_ENCODE_OPEN)
6561 local->config.authType = AUTH_ENCRYPT; // Only Wep
6562 /* Commit the changes to flags if needed */
6563 if (local->config.authType != currentAuthType)
6564 set_bit (FLAG_COMMIT, &local->flags);
6566 return -EINPROGRESS;
6570 /*------------------------------------------------------------------*/
6572 * Wireless Handler : get extended Encryption parameters
6574 static int airo_get_encodeext(struct net_device *dev,
6575 struct iw_request_info *info,
6576 union iwreq_data *wrqu,
6579 struct airo_info *local = dev->priv;
6580 struct iw_point *encoding = &wrqu->encoding;
6581 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6582 CapabilityRid cap_rid; /* Card capability info */
6583 int idx, max_key_len;
6585 /* Is it supported ? */
6586 readCapabilityRid(local, &cap_rid, 1);
6587 if(!(cap_rid.softCap & 2)) {
6590 readConfigRid(local, 1);
6592 max_key_len = encoding->length - sizeof(*ext);
6593 if (max_key_len < 0)
6596 idx = encoding->flags & IW_ENCODE_INDEX;
6598 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6602 idx = get_wep_key(local, 0xffff);
6604 encoding->flags = idx + 1;
6605 memset(ext, 0, sizeof(*ext));
6607 /* Check encryption mode */
6608 switch(local->config.authType) {
6610 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6612 case AUTH_SHAREDKEY:
6613 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6617 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6620 /* We can't return the key, so set the proper flag and return zero */
6621 encoding->flags |= IW_ENCODE_NOKEY;
6622 memset(extra, 0, 16);
6624 /* Copy the key to the user buffer */
6625 ext->key_len = get_wep_key(local, idx);
6626 if (ext->key_len > 16) {
6634 /*------------------------------------------------------------------*/
6636 * Wireless Handler : set extended authentication parameters
6638 static int airo_set_auth(struct net_device *dev,
6639 struct iw_request_info *info,
6640 union iwreq_data *wrqu, char *extra)
6642 struct airo_info *local = dev->priv;
6643 struct iw_param *param = &wrqu->param;
6644 u16 currentAuthType = local->config.authType;
6646 switch (param->flags & IW_AUTH_INDEX) {
6647 case IW_AUTH_WPA_VERSION:
6648 case IW_AUTH_CIPHER_PAIRWISE:
6649 case IW_AUTH_CIPHER_GROUP:
6650 case IW_AUTH_KEY_MGMT:
6651 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6652 case IW_AUTH_PRIVACY_INVOKED:
6654 * airo does not use these parameters
6658 case IW_AUTH_DROP_UNENCRYPTED:
6660 /* Only change auth type if unencrypted */
6661 if (currentAuthType == AUTH_OPEN)
6662 local->config.authType = AUTH_ENCRYPT;
6664 local->config.authType = AUTH_OPEN;
6667 /* Commit the changes to flags if needed */
6668 if (local->config.authType != currentAuthType)
6669 set_bit (FLAG_COMMIT, &local->flags);
6672 case IW_AUTH_80211_AUTH_ALG: {
6673 /* FIXME: What about AUTH_OPEN? This API seems to
6674 * disallow setting our auth to AUTH_OPEN.
6676 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6677 local->config.authType = AUTH_SHAREDKEY;
6678 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6679 local->config.authType = AUTH_ENCRYPT;
6684 /* Commit the changes to flags if needed */
6685 if (local->config.authType != currentAuthType)
6686 set_bit (FLAG_COMMIT, &local->flags);
6689 case IW_AUTH_WPA_ENABLED:
6690 /* Silently accept disable of WPA */
6691 if (param->value > 0)
6698 return -EINPROGRESS;
6702 /*------------------------------------------------------------------*/
6704 * Wireless Handler : get extended authentication parameters
6706 static int airo_get_auth(struct net_device *dev,
6707 struct iw_request_info *info,
6708 union iwreq_data *wrqu, char *extra)
6710 struct airo_info *local = dev->priv;
6711 struct iw_param *param = &wrqu->param;
6712 u16 currentAuthType = local->config.authType;
6714 switch (param->flags & IW_AUTH_INDEX) {
6715 case IW_AUTH_DROP_UNENCRYPTED:
6716 switch (currentAuthType) {
6717 case AUTH_SHAREDKEY:
6727 case IW_AUTH_80211_AUTH_ALG:
6728 switch (currentAuthType) {
6729 case AUTH_SHAREDKEY:
6730 param->value = IW_AUTH_ALG_SHARED_KEY;
6734 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6739 case IW_AUTH_WPA_ENABLED:
6750 /*------------------------------------------------------------------*/
6752 * Wireless Handler : set Tx-Power
6754 static int airo_set_txpow(struct net_device *dev,
6755 struct iw_request_info *info,
6756 struct iw_param *vwrq,
6759 struct airo_info *local = dev->priv;
6760 CapabilityRid cap_rid; /* Card capability info */
6764 readCapabilityRid(local, &cap_rid, 1);
6766 if (vwrq->disabled) {
6767 set_bit (FLAG_RADIO_OFF, &local->flags);
6768 set_bit (FLAG_COMMIT, &local->flags);
6769 return -EINPROGRESS; /* Call commit handler */
6771 if (vwrq->flags != IW_TXPOW_MWATT) {
6774 clear_bit (FLAG_RADIO_OFF, &local->flags);
6775 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6776 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6777 readConfigRid(local, 1);
6778 local->config.txPower = vwrq->value;
6779 set_bit (FLAG_COMMIT, &local->flags);
6780 rc = -EINPROGRESS; /* Call commit handler */
6786 /*------------------------------------------------------------------*/
6788 * Wireless Handler : get Tx-Power
6790 static int airo_get_txpow(struct net_device *dev,
6791 struct iw_request_info *info,
6792 struct iw_param *vwrq,
6795 struct airo_info *local = dev->priv;
6797 readConfigRid(local, 1);
6798 vwrq->value = local->config.txPower;
6799 vwrq->fixed = 1; /* No power control */
6800 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6801 vwrq->flags = IW_TXPOW_MWATT;
6806 /*------------------------------------------------------------------*/
6808 * Wireless Handler : set Retry limits
6810 static int airo_set_retry(struct net_device *dev,
6811 struct iw_request_info *info,
6812 struct iw_param *vwrq,
6815 struct airo_info *local = dev->priv;
6818 if(vwrq->disabled) {
6821 readConfigRid(local, 1);
6822 if(vwrq->flags & IW_RETRY_LIMIT) {
6823 if(vwrq->flags & IW_RETRY_LONG)
6824 local->config.longRetryLimit = vwrq->value;
6825 else if (vwrq->flags & IW_RETRY_SHORT)
6826 local->config.shortRetryLimit = vwrq->value;
6828 /* No modifier : set both */
6829 local->config.longRetryLimit = vwrq->value;
6830 local->config.shortRetryLimit = vwrq->value;
6832 set_bit (FLAG_COMMIT, &local->flags);
6833 rc = -EINPROGRESS; /* Call commit handler */
6835 if(vwrq->flags & IW_RETRY_LIFETIME) {
6836 local->config.txLifetime = vwrq->value / 1024;
6837 set_bit (FLAG_COMMIT, &local->flags);
6838 rc = -EINPROGRESS; /* Call commit handler */
6843 /*------------------------------------------------------------------*/
6845 * Wireless Handler : get Retry limits
6847 static int airo_get_retry(struct net_device *dev,
6848 struct iw_request_info *info,
6849 struct iw_param *vwrq,
6852 struct airo_info *local = dev->priv;
6854 vwrq->disabled = 0; /* Can't be disabled */
6856 readConfigRid(local, 1);
6857 /* Note : by default, display the min retry number */
6858 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6859 vwrq->flags = IW_RETRY_LIFETIME;
6860 vwrq->value = (int)local->config.txLifetime * 1024;
6861 } else if((vwrq->flags & IW_RETRY_LONG)) {
6862 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6863 vwrq->value = (int)local->config.longRetryLimit;
6865 vwrq->flags = IW_RETRY_LIMIT;
6866 vwrq->value = (int)local->config.shortRetryLimit;
6867 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6868 vwrq->flags |= IW_RETRY_SHORT;
6874 /*------------------------------------------------------------------*/
6876 * Wireless Handler : get range info
6878 static int airo_get_range(struct net_device *dev,
6879 struct iw_request_info *info,
6880 struct iw_point *dwrq,
6883 struct airo_info *local = dev->priv;
6884 struct iw_range *range = (struct iw_range *) extra;
6885 CapabilityRid cap_rid; /* Card capability info */
6889 readCapabilityRid(local, &cap_rid, 1);
6891 dwrq->length = sizeof(struct iw_range);
6892 memset(range, 0, sizeof(*range));
6893 range->min_nwid = 0x0000;
6894 range->max_nwid = 0x0000;
6895 range->num_channels = 14;
6896 /* Should be based on cap_rid.country to give only
6897 * what the current card support */
6899 for(i = 0; i < 14; i++) {
6900 range->freq[k].i = i + 1; /* List index */
6901 range->freq[k].m = frequency_list[i] * 100000;
6902 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6904 range->num_frequency = k;
6906 range->sensitivity = 65535;
6908 /* Hum... Should put the right values there */
6910 range->max_qual.qual = 100; /* % */
6912 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6913 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6914 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6916 /* Experimental measurements - boundary 11/5.5 Mb/s */
6917 /* Note : with or without the (local->rssi), results
6918 * are somewhat different. - Jean II */
6920 range->avg_qual.qual = 50; /* % */
6921 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6923 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6924 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6926 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6928 for(i = 0 ; i < 8 ; i++) {
6929 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6930 if(range->bitrate[i] == 0)
6933 range->num_bitrates = i;
6935 /* Set an indication of the max TCP throughput
6936 * in bit/s that we can expect using this interface.
6937 * May be use for QoS stuff... Jean II */
6939 range->throughput = 5000 * 1000;
6941 range->throughput = 1500 * 1000;
6944 range->max_rts = AIRO_DEF_MTU;
6945 range->min_frag = 256;
6946 range->max_frag = AIRO_DEF_MTU;
6948 if(cap_rid.softCap & 2) {
6950 range->encoding_size[0] = 5;
6952 if (cap_rid.softCap & 0x100) {
6953 range->encoding_size[1] = 13;
6954 range->num_encoding_sizes = 2;
6956 range->num_encoding_sizes = 1;
6957 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6959 range->num_encoding_sizes = 0;
6960 range->max_encoding_tokens = 0;
6963 range->max_pmp = 5000000; /* 5 secs */
6965 range->max_pmt = 65535 * 1024; /* ??? */
6966 range->pmp_flags = IW_POWER_PERIOD;
6967 range->pmt_flags = IW_POWER_TIMEOUT;
6968 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6970 /* Transmit Power - values are in mW */
6971 for(i = 0 ; i < 8 ; i++) {
6972 range->txpower[i] = cap_rid.txPowerLevels[i];
6973 if(range->txpower[i] == 0)
6976 range->num_txpower = i;
6977 range->txpower_capa = IW_TXPOW_MWATT;
6978 range->we_version_source = 19;
6979 range->we_version_compiled = WIRELESS_EXT;
6980 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6981 range->retry_flags = IW_RETRY_LIMIT;
6982 range->r_time_flags = IW_RETRY_LIFETIME;
6983 range->min_retry = 1;
6984 range->max_retry = 65535;
6985 range->min_r_time = 1024;
6986 range->max_r_time = 65535 * 1024;
6988 /* Event capability (kernel + driver) */
6989 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6990 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6991 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6992 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6993 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6994 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6998 /*------------------------------------------------------------------*/
7000 * Wireless Handler : set Power Management
7002 static int airo_set_power(struct net_device *dev,
7003 struct iw_request_info *info,
7004 struct iw_param *vwrq,
7007 struct airo_info *local = dev->priv;
7009 readConfigRid(local, 1);
7010 if (vwrq->disabled) {
7011 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7014 local->config.powerSaveMode = POWERSAVE_CAM;
7015 local->config.rmode &= 0xFF00;
7016 local->config.rmode |= RXMODE_BC_MC_ADDR;
7017 set_bit (FLAG_COMMIT, &local->flags);
7018 return -EINPROGRESS; /* Call commit handler */
7020 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7021 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7022 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7025 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7026 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7027 set_bit (FLAG_COMMIT, &local->flags);
7029 switch (vwrq->flags & IW_POWER_MODE) {
7030 case IW_POWER_UNICAST_R:
7031 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7034 local->config.rmode &= 0xFF00;
7035 local->config.rmode |= RXMODE_ADDR;
7036 set_bit (FLAG_COMMIT, &local->flags);
7038 case IW_POWER_ALL_R:
7039 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7042 local->config.rmode &= 0xFF00;
7043 local->config.rmode |= RXMODE_BC_MC_ADDR;
7044 set_bit (FLAG_COMMIT, &local->flags);
7046 /* This is broken, fixme ;-) */
7051 // Note : we may want to factor local->need_commit here
7052 // Note2 : may also want to factor RXMODE_RFMON test
7053 return -EINPROGRESS; /* Call commit handler */
7056 /*------------------------------------------------------------------*/
7058 * Wireless Handler : get Power Management
7060 static int airo_get_power(struct net_device *dev,
7061 struct iw_request_info *info,
7062 struct iw_param *vwrq,
7065 struct airo_info *local = dev->priv;
7068 readConfigRid(local, 1);
7069 mode = local->config.powerSaveMode;
7070 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7072 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7073 vwrq->value = (int)local->config.fastListenDelay * 1024;
7074 vwrq->flags = IW_POWER_TIMEOUT;
7076 vwrq->value = (int)local->config.fastListenInterval * 1024;
7077 vwrq->flags = IW_POWER_PERIOD;
7079 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7080 vwrq->flags |= IW_POWER_UNICAST_R;
7082 vwrq->flags |= IW_POWER_ALL_R;
7087 /*------------------------------------------------------------------*/
7089 * Wireless Handler : set Sensitivity
7091 static int airo_set_sens(struct net_device *dev,
7092 struct iw_request_info *info,
7093 struct iw_param *vwrq,
7096 struct airo_info *local = dev->priv;
7098 readConfigRid(local, 1);
7099 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7100 set_bit (FLAG_COMMIT, &local->flags);
7102 return -EINPROGRESS; /* Call commit handler */
7105 /*------------------------------------------------------------------*/
7107 * Wireless Handler : get Sensitivity
7109 static int airo_get_sens(struct net_device *dev,
7110 struct iw_request_info *info,
7111 struct iw_param *vwrq,
7114 struct airo_info *local = dev->priv;
7116 readConfigRid(local, 1);
7117 vwrq->value = local->config.rssiThreshold;
7118 vwrq->disabled = (vwrq->value == 0);
7124 /*------------------------------------------------------------------*/
7126 * Wireless Handler : get AP List
7127 * Note : this is deprecated in favor of IWSCAN
7129 static int airo_get_aplist(struct net_device *dev,
7130 struct iw_request_info *info,
7131 struct iw_point *dwrq,
7134 struct airo_info *local = dev->priv;
7135 struct sockaddr *address = (struct sockaddr *) extra;
7136 struct iw_quality qual[IW_MAX_AP];
7139 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7141 for (i = 0; i < IW_MAX_AP; i++) {
7142 if (readBSSListRid(local, loseSync, &BSSList))
7145 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7146 address[i].sa_family = ARPHRD_ETHER;
7148 qual[i].level = 0x100 - BSSList.dBm;
7149 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7150 qual[i].updated = IW_QUAL_QUAL_UPDATED
7151 | IW_QUAL_LEVEL_UPDATED
7154 qual[i].level = (BSSList.dBm + 321) / 2;
7156 qual[i].updated = IW_QUAL_QUAL_INVALID
7157 | IW_QUAL_LEVEL_UPDATED
7160 qual[i].noise = local->wstats.qual.noise;
7161 if (BSSList.index == 0xffff)
7165 StatusRid status_rid; /* Card status info */
7166 readStatusRid(local, &status_rid, 1);
7168 i < min(IW_MAX_AP, 4) &&
7169 (status_rid.bssid[i][0]
7170 & status_rid.bssid[i][1]
7171 & status_rid.bssid[i][2]
7172 & status_rid.bssid[i][3]
7173 & status_rid.bssid[i][4]
7174 & status_rid.bssid[i][5])!=0xff &&
7175 (status_rid.bssid[i][0]
7176 | status_rid.bssid[i][1]
7177 | status_rid.bssid[i][2]
7178 | status_rid.bssid[i][3]
7179 | status_rid.bssid[i][4]
7180 | status_rid.bssid[i][5]);
7182 memcpy(address[i].sa_data,
7183 status_rid.bssid[i], ETH_ALEN);
7184 address[i].sa_family = ARPHRD_ETHER;
7187 dwrq->flags = 1; /* Should be define'd */
7188 memcpy(extra + sizeof(struct sockaddr)*i,
7189 &qual, sizeof(struct iw_quality)*i);
7196 /*------------------------------------------------------------------*/
7198 * Wireless Handler : Initiate Scan
7200 static int airo_set_scan(struct net_device *dev,
7201 struct iw_request_info *info,
7202 struct iw_param *vwrq,
7205 struct airo_info *ai = dev->priv;
7210 /* Note : you may have realised that, as this is a SET operation,
7211 * this is privileged and therefore a normal user can't
7213 * This is not an error, while the device perform scanning,
7214 * traffic doesn't flow, so it's a perfect DoS...
7216 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7218 if (down_interruptible(&ai->sem))
7219 return -ERESTARTSYS;
7221 /* If there's already a scan in progress, don't
7222 * trigger another one. */
7223 if (ai->scan_timeout > 0)
7226 /* Initiate a scan command */
7227 ai->scan_timeout = RUN_AT(3*HZ);
7228 memset(&cmd, 0, sizeof(cmd));
7229 cmd.cmd=CMD_LISTBSS;
7230 issuecommand(ai, &cmd, &rsp);
7236 wake_up_interruptible(&ai->thr_wait);
7240 /*------------------------------------------------------------------*/
7242 * Translate scan data returned from the card to a card independent
7243 * format that the Wireless Tools will understand - Jean II
7245 static inline char *airo_translate_scan(struct net_device *dev,
7250 struct airo_info *ai = dev->priv;
7251 struct iw_event iwe; /* Temporary buffer */
7253 char * current_val; /* For rates */
7257 /* First entry *MUST* be the AP MAC address */
7258 iwe.cmd = SIOCGIWAP;
7259 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7260 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7261 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7263 /* Other entries will be displayed in the order we give them */
7266 iwe.u.data.length = bss->ssidLen;
7267 if(iwe.u.data.length > 32)
7268 iwe.u.data.length = 32;
7269 iwe.cmd = SIOCGIWESSID;
7270 iwe.u.data.flags = 1;
7271 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7274 iwe.cmd = SIOCGIWMODE;
7275 capabilities = le16_to_cpu(bss->cap);
7276 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7277 if(capabilities & CAP_ESS)
7278 iwe.u.mode = IW_MODE_MASTER;
7280 iwe.u.mode = IW_MODE_ADHOC;
7281 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7285 iwe.cmd = SIOCGIWFREQ;
7286 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7287 /* iwe.u.freq.m containt the channel (starting 1), our
7288 * frequency_list array start at index 0...
7290 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7292 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7294 /* Add quality statistics */
7297 iwe.u.qual.level = 0x100 - bss->dBm;
7298 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7299 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7300 | IW_QUAL_LEVEL_UPDATED
7303 iwe.u.qual.level = (bss->dBm + 321) / 2;
7304 iwe.u.qual.qual = 0;
7305 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7306 | IW_QUAL_LEVEL_UPDATED
7309 iwe.u.qual.noise = ai->wstats.qual.noise;
7310 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7312 /* Add encryption capability */
7313 iwe.cmd = SIOCGIWENCODE;
7314 if(capabilities & CAP_PRIVACY)
7315 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7317 iwe.u.data.flags = IW_ENCODE_DISABLED;
7318 iwe.u.data.length = 0;
7319 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7321 /* Rate : stuffing multiple values in a single event require a bit
7322 * more of magic - Jean II */
7323 current_val = current_ev + IW_EV_LCP_LEN;
7325 iwe.cmd = SIOCGIWRATE;
7326 /* Those two flags are ignored... */
7327 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7329 for(i = 0 ; i < 8 ; i++) {
7330 /* NULL terminated */
7331 if(bss->rates[i] == 0)
7333 /* Bit rate given in 500 kb/s units (+ 0x80) */
7334 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7335 /* Add new value to event */
7336 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7338 /* Check if we added any event */
7339 if((current_val - current_ev) > IW_EV_LCP_LEN)
7340 current_ev = current_val;
7342 /* Beacon interval */
7343 buf = kmalloc(30, GFP_KERNEL);
7345 iwe.cmd = IWEVCUSTOM;
7346 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7347 iwe.u.data.length = strlen(buf);
7348 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7352 /* Put WPA/RSN Information Elements into the event stream */
7353 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7354 unsigned int num_null_ies = 0;
7355 u16 length = sizeof (bss->extra.iep);
7356 struct ieee80211_info_element *info_element =
7357 (struct ieee80211_info_element *) &bss->extra.iep;
7359 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7360 if (sizeof(*info_element) + info_element->len > length) {
7361 /* Invalid element, don't continue parsing IE */
7365 switch (info_element->id) {
7366 case MFIE_TYPE_SSID:
7367 /* Two zero-length SSID elements
7368 * mean we're done parsing elements */
7369 if (!info_element->len)
7373 case MFIE_TYPE_GENERIC:
7374 if (info_element->len >= 4 &&
7375 info_element->data[0] == 0x00 &&
7376 info_element->data[1] == 0x50 &&
7377 info_element->data[2] == 0xf2 &&
7378 info_element->data[3] == 0x01) {
7379 iwe.cmd = IWEVGENIE;
7380 iwe.u.data.length = min(info_element->len + 2,
7382 current_ev = iwe_stream_add_point(current_ev, end_buf,
7383 &iwe, (char *) info_element);
7388 iwe.cmd = IWEVGENIE;
7389 iwe.u.data.length = min(info_element->len + 2,
7391 current_ev = iwe_stream_add_point(current_ev, end_buf,
7392 &iwe, (char *) info_element);
7399 length -= sizeof(*info_element) + info_element->len;
7401 (struct ieee80211_info_element *)&info_element->
7402 data[info_element->len];
7408 /*------------------------------------------------------------------*/
7410 * Wireless Handler : Read Scan Results
7412 static int airo_get_scan(struct net_device *dev,
7413 struct iw_request_info *info,
7414 struct iw_point *dwrq,
7417 struct airo_info *ai = dev->priv;
7418 BSSListElement *net;
7420 char *current_ev = extra;
7422 /* If a scan is in-progress, return -EAGAIN */
7423 if (ai->scan_timeout > 0)
7426 if (down_interruptible(&ai->sem))
7429 list_for_each_entry (net, &ai->network_list, list) {
7430 /* Translate to WE format this entry */
7431 current_ev = airo_translate_scan(dev, current_ev,
7432 extra + dwrq->length,
7435 /* Check if there is space for one more entry */
7436 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7437 /* Ask user space to try again with a bigger buffer */
7443 /* Length of data */
7444 dwrq->length = (current_ev - extra);
7445 dwrq->flags = 0; /* todo */
7452 /*------------------------------------------------------------------*/
7454 * Commit handler : called after a bunch of SET operations
7456 static int airo_config_commit(struct net_device *dev,
7457 struct iw_request_info *info, /* NULL */
7458 void *zwrq, /* NULL */
7459 char *extra) /* NULL */
7461 struct airo_info *local = dev->priv;
7463 if (!test_bit (FLAG_COMMIT, &local->flags))
7466 /* Some of the "SET" function may have modified some of the
7467 * parameters. It's now time to commit them in the card */
7468 disable_MAC(local, 1);
7469 if (test_bit (FLAG_RESET, &local->flags)) {
7470 APListRid APList_rid;
7473 readAPListRid(local, &APList_rid);
7474 readSsidRid(local, &SSID_rid);
7475 if (test_bit(FLAG_MPI,&local->flags))
7476 setup_card(local, dev->dev_addr, 1 );
7478 reset_airo_card(dev);
7479 disable_MAC(local, 1);
7480 writeSsidRid(local, &SSID_rid, 1);
7481 writeAPListRid(local, &APList_rid, 1);
7483 if (down_interruptible(&local->sem))
7484 return -ERESTARTSYS;
7485 writeConfigRid(local, 0);
7486 enable_MAC(local, 0);
7487 if (test_bit (FLAG_RESET, &local->flags))
7488 airo_set_promisc(local);
7495 /*------------------------------------------------------------------*/
7497 * Structures to export the Wireless Handlers
7500 static const struct iw_priv_args airo_private_args[] = {
7501 /*{ cmd, set_args, get_args, name } */
7502 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7503 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7504 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7505 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7508 static const iw_handler airo_handler[] =
7510 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7511 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7512 (iw_handler) NULL, /* SIOCSIWNWID */
7513 (iw_handler) NULL, /* SIOCGIWNWID */
7514 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7515 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7516 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7517 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7518 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7519 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7520 (iw_handler) NULL, /* SIOCSIWRANGE */
7521 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7522 (iw_handler) NULL, /* SIOCSIWPRIV */
7523 (iw_handler) NULL, /* SIOCGIWPRIV */
7524 (iw_handler) NULL, /* SIOCSIWSTATS */
7525 (iw_handler) NULL, /* SIOCGIWSTATS */
7526 iw_handler_set_spy, /* SIOCSIWSPY */
7527 iw_handler_get_spy, /* SIOCGIWSPY */
7528 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7529 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7530 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7531 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7532 (iw_handler) NULL, /* -- hole -- */
7533 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7534 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7535 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7536 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7537 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7538 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7539 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7540 (iw_handler) NULL, /* -- hole -- */
7541 (iw_handler) NULL, /* -- hole -- */
7542 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7543 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7544 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7545 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7546 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7547 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7548 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7549 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7550 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7551 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7552 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7553 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7554 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7555 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7556 (iw_handler) NULL, /* -- hole -- */
7557 (iw_handler) NULL, /* -- hole -- */
7558 (iw_handler) NULL, /* SIOCSIWGENIE */
7559 (iw_handler) NULL, /* SIOCGIWGENIE */
7560 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7561 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7562 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7563 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7564 (iw_handler) NULL, /* SIOCSIWPMKSA */
7567 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7568 * We want to force the use of the ioctl code, because those can't be
7569 * won't work the iw_handler code (because they simultaneously read
7570 * and write data and iw_handler can't do that).
7571 * Note that it's perfectly legal to read/write on a single ioctl command,
7572 * you just can't use iwpriv and need to force it via the ioctl handler.
7574 static const iw_handler airo_private_handler[] =
7576 NULL, /* SIOCIWFIRSTPRIV */
7579 static const struct iw_handler_def airo_handler_def =
7581 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7582 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7583 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7584 .standard = airo_handler,
7585 .private = airo_private_handler,
7586 .private_args = airo_private_args,
7587 .get_wireless_stats = airo_get_wireless_stats,
7591 * This defines the configuration part of the Wireless Extensions
7592 * Note : irq and spinlock protection will occur in the subroutines
7595 * o Check input value more carefully and fill correct values in range
7596 * o Test and shakeout the bugs (if any)
7600 * Javier Achirica did a great job of merging code from the unnamed CISCO
7601 * developer that added support for flashing the card.
7603 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7606 struct airo_info *ai = (struct airo_info *)dev->priv;
7608 if (ai->power.event)
7618 int val = AIROMAGIC;
7620 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7622 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7631 /* Get the command struct and hand it off for evaluation by
7632 * the proper subfunction
7636 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7641 /* Separate R/W functions bracket legality here
7643 if ( com.command == AIRORSWVERSION ) {
7644 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7649 else if ( com.command <= AIRORRID)
7650 rc = readrids(dev,&com);
7651 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7652 rc = writerids(dev,&com);
7653 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7654 rc = flashcard(dev,&com);
7656 rc = -EINVAL; /* Bad command in ioctl */
7659 #endif /* CISCO_EXT */
7661 // All other calls are currently unsupported
7669 * Get the Wireless stats out of the driver
7670 * Note : irq and spinlock protection will occur in the subroutines
7673 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7677 static void airo_read_wireless_stats(struct airo_info *local)
7679 StatusRid status_rid;
7681 CapabilityRid cap_rid;
7682 u32 *vals = stats_rid.vals;
7684 /* Get stats out of the card */
7685 clear_bit(JOB_WSTATS, &local->jobs);
7686 if (local->power.event) {
7690 readCapabilityRid(local, &cap_rid, 0);
7691 readStatusRid(local, &status_rid, 0);
7692 readStatsRid(local, &stats_rid, RID_STATS, 0);
7696 local->wstats.status = status_rid.mode;
7698 /* Signal quality and co */
7700 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7701 /* normalizedSignalStrength appears to be a percentage */
7702 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7704 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7705 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7707 if (status_rid.len >= 124) {
7708 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7709 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7711 local->wstats.qual.noise = 0;
7712 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7715 /* Packets discarded in the wireless adapter due to wireless
7716 * specific problems */
7717 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7718 local->wstats.discard.code = vals[6];/* RxWepErr */
7719 local->wstats.discard.fragment = vals[30];
7720 local->wstats.discard.retries = vals[10];
7721 local->wstats.discard.misc = vals[1] + vals[32];
7722 local->wstats.miss.beacon = vals[34];
7725 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7727 struct airo_info *local = dev->priv;
7729 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7730 /* Get stats out of the card if available */
7731 if (down_trylock(&local->sem) != 0) {
7732 set_bit(JOB_WSTATS, &local->jobs);
7733 wake_up_interruptible(&local->thr_wait);
7735 airo_read_wireless_stats(local);
7738 return &local->wstats;
7743 * This just translates from driver IOCTL codes to the command codes to
7744 * feed to the radio's host interface. Things can be added/deleted
7745 * as needed. This represents the READ side of control I/O to
7748 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7749 unsigned short ridcode;
7750 unsigned char *iobuf;
7752 struct airo_info *ai = dev->priv;
7754 if (test_bit(FLAG_FLASHING, &ai->flags))
7757 switch(comp->command)
7759 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7760 case AIROGCFG: ridcode = RID_CONFIG;
7761 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7762 disable_MAC (ai, 1);
7763 writeConfigRid (ai, 1);
7767 case AIROGSLIST: ridcode = RID_SSID; break;
7768 case AIROGVLIST: ridcode = RID_APLIST; break;
7769 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7770 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7771 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7772 /* Only super-user can read WEP keys */
7773 if (!capable(CAP_NET_ADMIN))
7776 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7777 /* Only super-user can read WEP keys */
7778 if (!capable(CAP_NET_ADMIN))
7781 case AIROGSTAT: ridcode = RID_STATUS; break;
7782 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7783 case AIROGSTATSC32: ridcode = RID_STATS; break;
7785 if (copy_to_user(comp->data, &ai->micstats,
7786 min((int)comp->len,(int)sizeof(ai->micstats))))
7789 case AIRORRID: ridcode = comp->ridnum; break;
7795 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7798 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7799 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7800 * then return it to the user
7801 * 9/22/2000 Honor user given length
7805 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7814 * Danger Will Robinson write the rids here
7817 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7818 struct airo_info *ai = dev->priv;
7821 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7822 unsigned char *iobuf;
7824 /* Only super-user can write RIDs */
7825 if (!capable(CAP_NET_ADMIN))
7828 if (test_bit(FLAG_FLASHING, &ai->flags))
7832 writer = do_writerid;
7834 switch(comp->command)
7836 case AIROPSIDS: ridcode = RID_SSID; break;
7837 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7838 case AIROPAPLIST: ridcode = RID_APLIST; break;
7839 case AIROPCFG: ai->config.len = 0;
7840 clear_bit(FLAG_COMMIT, &ai->flags);
7841 ridcode = RID_CONFIG; break;
7842 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7843 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7844 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7845 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7847 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7848 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7850 /* this is not really a rid but a command given to the card
7854 if (enable_MAC(ai, 1) != 0)
7859 * Evidently this code in the airo driver does not get a symbol
7860 * as disable_MAC. it's probably so short the compiler does not gen one.
7866 /* This command merely clears the counts does not actually store any data
7867 * only reads rid. But as it changes the cards state, I put it in the
7868 * writerid routines.
7871 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7874 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7876 enabled = ai->micstats.enabled;
7877 memset(&ai->micstats,0,sizeof(ai->micstats));
7878 ai->micstats.enabled = enabled;
7880 if (copy_to_user(comp->data, iobuf,
7881 min((int)comp->len, (int)RIDSIZE))) {
7889 return -EOPNOTSUPP; /* Blarg! */
7891 if(comp->len > RIDSIZE)
7894 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7897 if (copy_from_user(iobuf,comp->data,comp->len)) {
7902 if (comp->command == AIROPCFG) {
7903 ConfigRid *cfg = (ConfigRid *)iobuf;
7905 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7906 cfg->opmode |= MODE_MIC;
7908 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7909 set_bit (FLAG_ADHOC, &ai->flags);
7911 clear_bit (FLAG_ADHOC, &ai->flags);
7914 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7922 /*****************************************************************************
7923 * Ancillary flash / mod functions much black magic lurkes here *
7924 *****************************************************************************
7928 * Flash command switch table
7931 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7934 /* Only super-user can modify flash */
7935 if (!capable(CAP_NET_ADMIN))
7938 switch(comp->command)
7941 return cmdreset((struct airo_info *)dev->priv);
7944 if (!((struct airo_info *)dev->priv)->flash &&
7945 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7947 return setflashmode((struct airo_info *)dev->priv);
7949 case AIROFLSHGCHR: /* Get char from aux */
7950 if(comp->len != sizeof(int))
7952 if (copy_from_user(&z,comp->data,comp->len))
7954 return flashgchar((struct airo_info *)dev->priv,z,8000);
7956 case AIROFLSHPCHR: /* Send char to card. */
7957 if(comp->len != sizeof(int))
7959 if (copy_from_user(&z,comp->data,comp->len))
7961 return flashpchar((struct airo_info *)dev->priv,z,8000);
7963 case AIROFLPUTBUF: /* Send 32k to card */
7964 if (!((struct airo_info *)dev->priv)->flash)
7966 if(comp->len > FLASHSIZE)
7968 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7971 flashputbuf((struct airo_info *)dev->priv);
7975 if(flashrestart((struct airo_info *)dev->priv,dev))
7982 #define FLASH_COMMAND 0x7e7e
7986 * Disable MAC and do soft reset on
7990 static int cmdreset(struct airo_info *ai) {
7994 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7998 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8000 ssleep(1); /* WAS 600 12/7/00 */
8003 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8010 * Put the card in legendary flash
8014 static int setflashmode (struct airo_info *ai) {
8015 set_bit (FLAG_FLASHING, &ai->flags);
8017 OUT4500(ai, SWS0, FLASH_COMMAND);
8018 OUT4500(ai, SWS1, FLASH_COMMAND);
8020 OUT4500(ai, SWS0, FLASH_COMMAND);
8021 OUT4500(ai, COMMAND,0x10);
8023 OUT4500(ai, SWS2, FLASH_COMMAND);
8024 OUT4500(ai, SWS3, FLASH_COMMAND);
8025 OUT4500(ai, COMMAND,0);
8027 msleep(500); /* 500ms delay */
8030 clear_bit (FLAG_FLASHING, &ai->flags);
8031 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8037 /* Put character to SWS0 wait for dwelltime
8041 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8052 /* Wait for busy bit d15 to go false indicating buffer empty */
8053 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8058 /* timeout for busy clear wait */
8060 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8064 /* Port is clear now write byte and wait for it to echo back */
8066 OUT4500(ai,SWS0,byte);
8069 echo = IN4500(ai,SWS1);
8070 } while (dwelltime >= 0 && echo != byte);
8074 return (echo == byte) ? 0 : -EIO;
8078 * Get a character from the card matching matchbyte
8081 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8083 unsigned char rbyte=0;
8086 rchar = IN4500(ai,SWS1);
8088 if(dwelltime && !(0x8000 & rchar)){
8093 rbyte = 0xff & rchar;
8095 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8099 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8103 }while(dwelltime > 0);
8108 * Transfer 32k of firmware data from user buffer to our buffer and
8112 static int flashputbuf(struct airo_info *ai){
8116 if (test_bit(FLAG_MPI,&ai->flags))
8117 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8119 OUT4500(ai,AUXPAGE,0x100);
8120 OUT4500(ai,AUXOFF,0);
8122 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8123 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8126 OUT4500(ai,SWS0,0x8000);
8134 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8137 ssleep(1); /* Added 12/7/00 */
8138 clear_bit (FLAG_FLASHING, &ai->flags);
8139 if (test_bit(FLAG_MPI, &ai->flags)) {
8140 status = mpi_init_descriptors(ai);
8141 if (status != SUCCESS)
8144 status = setup_card(ai, dev->dev_addr, 1);
8146 if (!test_bit(FLAG_MPI,&ai->flags))
8147 for( i = 0; i < MAX_FIDS; i++ ) {
8148 ai->fids[i] = transmit_allocate
8149 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8152 ssleep(1); /* Added 12/7/00 */
8155 #endif /* CISCO_EXT */
8158 This program is free software; you can redistribute it and/or
8159 modify it under the terms of the GNU General Public License
8160 as published by the Free Software Foundation; either version 2
8161 of the License, or (at your option) any later version.
8163 This program is distributed in the hope that it will be useful,
8164 but WITHOUT ANY WARRANTY; without even the implied warranty of
8165 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8166 GNU General Public License for more details.
8170 Redistribution and use in source and binary forms, with or without
8171 modification, are permitted provided that the following conditions
8174 1. Redistributions of source code must retain the above copyright
8175 notice, this list of conditions and the following disclaimer.
8176 2. Redistributions in binary form must reproduce the above copyright
8177 notice, this list of conditions and the following disclaimer in the
8178 documentation and/or other materials provided with the distribution.
8179 3. The name of the author may not be used to endorse or promote
8180 products derived from this software without specific prior written
8183 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8184 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8185 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8186 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8187 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8188 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8189 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8190 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8191 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8192 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8193 POSSIBILITY OF SUCH DAMAGE.
8196 module_init(airo_init_module);
8197 module_exit(airo_cleanup_module);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blob