1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
38 #include <linux/scatterlist.h>
39 #include <linux/crypto.h>
41 #include <asm/system.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
57 static struct pci_device_id card_ids[] = {
58 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
59 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
60 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
67 MODULE_DEVICE_TABLE(pci, card_ids);
69 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
70 static void airo_pci_remove(struct pci_dev *);
71 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
72 static int airo_pci_resume(struct pci_dev *pdev);
74 static struct pci_driver airo_driver = {
77 .probe = airo_pci_probe,
78 .remove = __devexit_p(airo_pci_remove),
79 .suspend = airo_pci_suspend,
80 .resume = airo_pci_resume,
82 #endif /* CONFIG_PCI */
84 /* Include Wireless Extension definition and check version - Jean II */
85 #include <linux/wireless.h>
86 #define WIRELESS_SPY // enable iwspy support
87 #include <net/iw_handler.h> // New driver API
89 #define CISCO_EXT // enable Cisco extensions
91 #include <linux/delay.h>
94 /* Hack to do some power saving */
97 /* As you can see this list is HUGH!
98 I really don't know what a lot of these counts are about, but they
99 are all here for completeness. If the IGNLABEL macro is put in
100 infront of the label, that statistic will not be included in the list
101 of statistics in the /proc filesystem */
103 #define IGNLABEL(comment) NULL
104 static char *statsLabels[] = {
106 IGNLABEL("RxPlcpCrcErr"),
107 IGNLABEL("RxPlcpFormatErr"),
108 IGNLABEL("RxPlcpLengthErr"),
139 "LostSync-MissedBeacons",
140 "LostSync-ArlExceeded",
142 "LostSync-Disassoced",
143 "LostSync-TsfTiming",
152 IGNLABEL("HmacTxMc"),
153 IGNLABEL("HmacTxBc"),
154 IGNLABEL("HmacTxUc"),
155 IGNLABEL("HmacTxFail"),
156 IGNLABEL("HmacRxMc"),
157 IGNLABEL("HmacRxBc"),
158 IGNLABEL("HmacRxUc"),
159 IGNLABEL("HmacRxDiscard"),
160 IGNLABEL("HmacRxAccepted"),
168 IGNLABEL("ReasonOutsideTable"),
169 IGNLABEL("ReasonStatus1"),
170 IGNLABEL("ReasonStatus2"),
171 IGNLABEL("ReasonStatus3"),
172 IGNLABEL("ReasonStatus4"),
173 IGNLABEL("ReasonStatus5"),
174 IGNLABEL("ReasonStatus6"),
175 IGNLABEL("ReasonStatus7"),
176 IGNLABEL("ReasonStatus8"),
177 IGNLABEL("ReasonStatus9"),
178 IGNLABEL("ReasonStatus10"),
179 IGNLABEL("ReasonStatus11"),
180 IGNLABEL("ReasonStatus12"),
181 IGNLABEL("ReasonStatus13"),
182 IGNLABEL("ReasonStatus14"),
183 IGNLABEL("ReasonStatus15"),
184 IGNLABEL("ReasonStatus16"),
185 IGNLABEL("ReasonStatus17"),
186 IGNLABEL("ReasonStatus18"),
187 IGNLABEL("ReasonStatus19"),
207 #define RUN_AT(x) (jiffies+(x))
211 /* These variables are for insmod, since it seems that the rates
212 can only be set in setup_card. Rates should be a comma separated
213 (no spaces) list of rates (up to 8). */
216 static int basic_rate;
217 static char *ssids[3];
223 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
224 0 means no limit. For old cards this was 4 */
226 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
227 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
228 the bap, needed on some older cards and buses. */
231 static int probe = 1;
233 static int proc_uid /* = 0 */;
235 static int proc_gid /* = 0 */;
237 static int airo_perm = 0555;
239 static int proc_perm = 0644;
241 MODULE_AUTHOR("Benjamin Reed");
242 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
243 cards. Direct support for ISA/PCI/MPI cards and support \
244 for PCMCIA when used with airo_cs.");
245 MODULE_LICENSE("Dual BSD/GPL");
246 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
247 module_param_array(io, int, NULL, 0);
248 module_param_array(irq, int, NULL, 0);
249 module_param(basic_rate, int, 0);
250 module_param_array(rates, int, NULL, 0);
251 module_param_array(ssids, charp, NULL, 0);
252 module_param(auto_wep, int, 0);
253 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
254 the authentication options until an association is made. The value of \
255 auto_wep is number of the wep keys to check. A value of 2 will try using \
256 the key at index 0 and index 1.");
257 module_param(aux_bap, int, 0);
258 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
259 than seems to work better for older cards with some older buses. Before \
260 switching it checks that the switch is needed.");
261 module_param(maxencrypt, int, 0);
262 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
263 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
264 Older cards used to be limited to 2mbs (4).");
265 module_param(adhoc, int, 0);
266 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
267 module_param(probe, int, 0);
268 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
270 module_param(proc_uid, int, 0);
271 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
272 module_param(proc_gid, int, 0);
273 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
274 module_param(airo_perm, int, 0);
275 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
276 module_param(proc_perm, int, 0);
277 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
279 /* This is a kind of sloppy hack to get this information to OUT4500 and
280 IN4500. I would be extremely interested in the situation where this
281 doesn't work though!!! */
282 static int do8bitIO = 0;
291 #define MAC_ENABLE 0x0001
292 #define MAC_DISABLE 0x0002
293 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
294 #define CMD_SOFTRESET 0x0004
295 #define HOSTSLEEP 0x0005
296 #define CMD_MAGIC_PKT 0x0006
297 #define CMD_SETWAKEMASK 0x0007
298 #define CMD_READCFG 0x0008
299 #define CMD_SETMODE 0x0009
300 #define CMD_ALLOCATETX 0x000a
301 #define CMD_TRANSMIT 0x000b
302 #define CMD_DEALLOCATETX 0x000c
304 #define CMD_WORKAROUND 0x0011
305 #define CMD_ALLOCATEAUX 0x0020
306 #define CMD_ACCESS 0x0021
307 #define CMD_PCIBAP 0x0022
308 #define CMD_PCIAUX 0x0023
309 #define CMD_ALLOCBUF 0x0028
310 #define CMD_GETTLV 0x0029
311 #define CMD_PUTTLV 0x002a
312 #define CMD_DELTLV 0x002b
313 #define CMD_FINDNEXTTLV 0x002c
314 #define CMD_PSPNODES 0x0030
315 #define CMD_SETCW 0x0031
316 #define CMD_SETPCF 0x0032
317 #define CMD_SETPHYREG 0x003e
318 #define CMD_TXTEST 0x003f
319 #define MAC_ENABLETX 0x0101
320 #define CMD_LISTBSS 0x0103
321 #define CMD_SAVECFG 0x0108
322 #define CMD_ENABLEAUX 0x0111
323 #define CMD_WRITERID 0x0121
324 #define CMD_USEPSPNODES 0x0130
325 #define MAC_ENABLERX 0x0201
328 #define ERROR_QUALIF 0x00
329 #define ERROR_ILLCMD 0x01
330 #define ERROR_ILLFMT 0x02
331 #define ERROR_INVFID 0x03
332 #define ERROR_INVRID 0x04
333 #define ERROR_LARGE 0x05
334 #define ERROR_NDISABL 0x06
335 #define ERROR_ALLOCBSY 0x07
336 #define ERROR_NORD 0x0B
337 #define ERROR_NOWR 0x0C
338 #define ERROR_INVFIDTX 0x0D
339 #define ERROR_TESTACT 0x0E
340 #define ERROR_TAGNFND 0x12
341 #define ERROR_DECODE 0x20
342 #define ERROR_DESCUNAV 0x21
343 #define ERROR_BADLEN 0x22
344 #define ERROR_MODE 0x80
345 #define ERROR_HOP 0x81
346 #define ERROR_BINTER 0x82
347 #define ERROR_RXMODE 0x83
348 #define ERROR_MACADDR 0x84
349 #define ERROR_RATES 0x85
350 #define ERROR_ORDER 0x86
351 #define ERROR_SCAN 0x87
352 #define ERROR_AUTH 0x88
353 #define ERROR_PSMODE 0x89
354 #define ERROR_RTYPE 0x8A
355 #define ERROR_DIVER 0x8B
356 #define ERROR_SSID 0x8C
357 #define ERROR_APLIST 0x8D
358 #define ERROR_AUTOWAKE 0x8E
359 #define ERROR_LEAP 0x8F
370 #define LINKSTAT 0x10
374 #define TXALLOCFID 0x22
375 #define TXCOMPLFID 0x24
390 /* Offset into aux memory for descriptors */
391 #define AUX_OFFSET 0x800
392 /* Size of allocated packets */
395 /* Size of the transmit queue */
399 #define BAP0 0 // Used for receiving packets
400 #define BAP1 2 // Used for xmiting packets and working with RIDS
403 #define COMMAND_BUSY 0x8000
405 #define BAP_BUSY 0x8000
406 #define BAP_ERR 0x4000
407 #define BAP_DONE 0x2000
409 #define PROMISC 0xffff
410 #define NOPROMISC 0x0000
413 #define EV_CLEARCOMMANDBUSY 0x4000
416 #define EV_TXEXC 0x04
417 #define EV_ALLOC 0x08
419 #define EV_AWAKE 0x100
420 #define EV_TXCPY 0x400
421 #define EV_UNKNOWN 0x800
422 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
423 #define EV_AWAKEN 0x2000
424 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
426 #ifdef CHECK_UNKNOWN_INTS
427 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
429 #define IGNORE_INTS (~STATUS_INTS)
436 #define RID_CAPABILITIES 0xFF00
437 #define RID_APINFO 0xFF01
438 #define RID_RADIOINFO 0xFF02
439 #define RID_UNKNOWN3 0xFF03
440 #define RID_RSSI 0xFF04
441 #define RID_CONFIG 0xFF10
442 #define RID_SSID 0xFF11
443 #define RID_APLIST 0xFF12
444 #define RID_DRVNAME 0xFF13
445 #define RID_ETHERENCAP 0xFF14
446 #define RID_WEP_TEMP 0xFF15
447 #define RID_WEP_PERM 0xFF16
448 #define RID_MODULATION 0xFF17
449 #define RID_OPTIONS 0xFF18
450 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
451 #define RID_FACTORYCONFIG 0xFF21
452 #define RID_UNKNOWN22 0xFF22
453 #define RID_LEAPUSERNAME 0xFF23
454 #define RID_LEAPPASSWORD 0xFF24
455 #define RID_STATUS 0xFF50
456 #define RID_BEACON_HST 0xFF51
457 #define RID_BUSY_HST 0xFF52
458 #define RID_RETRIES_HST 0xFF53
459 #define RID_UNKNOWN54 0xFF54
460 #define RID_UNKNOWN55 0xFF55
461 #define RID_UNKNOWN56 0xFF56
462 #define RID_MIC 0xFF57
463 #define RID_STATS16 0xFF60
464 #define RID_STATS16DELTA 0xFF61
465 #define RID_STATS16DELTACLEAR 0xFF62
466 #define RID_STATS 0xFF68
467 #define RID_STATSDELTA 0xFF69
468 #define RID_STATSDELTACLEAR 0xFF6A
469 #define RID_ECHOTEST_RID 0xFF70
470 #define RID_ECHOTEST_RESULTS 0xFF71
471 #define RID_BSSLISTFIRST 0xFF72
472 #define RID_BSSLISTNEXT 0xFF73
473 #define RID_WPA_BSSLISTFIRST 0xFF74
474 #define RID_WPA_BSSLISTNEXT 0xFF75
491 * Rids and endian-ness: The Rids will always be in cpu endian, since
492 * this all the patches from the big-endian guys end up doing that.
493 * so all rid access should use the read/writeXXXRid routines.
496 /* This is redundant for x86 archs, but it seems necessary for ARM */
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
509 /* These structures are from the Aironet's PC4500 Developers Manual */
523 #define MOD_DEFAULT 0
529 u16 len; /* sizeof(ConfigRid) */
530 u16 opmode; /* operating mode */
531 #define MODE_STA_IBSS 0
532 #define MODE_STA_ESS 1
534 #define MODE_AP_RPTR 3
535 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
536 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
537 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
538 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
539 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
540 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
541 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
542 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
543 #define MODE_MIC (1<<15) /* enable MIC */
544 u16 rmode; /* receive mode */
545 #define RXMODE_BC_MC_ADDR 0
546 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
547 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
548 #define RXMODE_RFMON 3 /* wireless monitor mode */
549 #define RXMODE_RFMON_ANYBSS 4
550 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
551 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
552 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
555 u8 macAddr[ETH_ALEN];
559 u16 txLifetime; /* in kusec */
560 u16 rxLifetime; /* in kusec */
563 u16 u16deviceType; /* for overriding device type */
567 /*---------- Scanning/Associating ----------*/
569 #define SCANMODE_ACTIVE 0
570 #define SCANMODE_PASSIVE 1
571 #define SCANMODE_AIROSCAN 2
572 u16 probeDelay; /* in kusec */
573 u16 probeEnergyTimeout; /* in kusec */
574 u16 probeResponseTimeout;
575 u16 beaconListenTimeout;
579 #define AUTH_OPEN 0x1
580 #define AUTH_ENCRYPT 0x101
581 #define AUTH_SHAREDKEY 0x102
582 #define AUTH_ALLOW_UNENCRYPTED 0x200
583 u16 associationTimeout;
584 u16 specifiedApTimeout;
585 u16 offlineScanInterval;
586 u16 offlineScanDuration;
588 u16 maxBeaconLostTime;
590 #define DISABLE_REFRESH 0xFFFF
592 /*---------- Power save operation ----------*/
594 #define POWERSAVE_CAM 0
595 #define POWERSAVE_PSP 1
596 #define POWERSAVE_PSPCAM 2
599 u16 fastListenInterval;
603 /*---------- Ap/Ibss config items ----------*/
612 /*---------- Radio configuration ----------*/
614 #define RADIOTYPE_DEFAULT 0
615 #define RADIOTYPE_802_11 1
616 #define RADIOTYPE_LEGACY 2
620 #define TXPOWER_DEFAULT 0
622 #define RSSI_DEFAULT 0
624 #define PREAMBLE_AUTO 0
625 #define PREAMBLE_LONG 1
626 #define PREAMBLE_SHORT 2
630 /*---------- Aironet Extensions ----------*/
636 /*---------- Aironet Extensions ----------*/
638 #define MAGIC_ACTION_STSCHG 1
639 #define MAGIC_ACTION_RESUME 2
640 #define MAGIC_IGNORE_MCAST (1<<8)
641 #define MAGIC_IGNORE_BCAST (1<<9)
642 #define MAGIC_SWITCH_TO_PSP (0<<10)
643 #define MAGIC_STAY_IN_CAM (1<<10)
657 u8 bssid[4][ETH_ALEN];
671 u16 normalizedSignalStrength;
674 u8 noisePercent; /* Noise percent in last second */
675 u8 noisedBm; /* Noise dBm in last second */
676 u8 noiseAvePercent; /* Noise percent in last minute */
677 u8 noiseAvedBm; /* Noise dBm in last minute */
678 u8 noiseMaxPercent; /* Highest noise percent in last minute */
679 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
683 #define STAT_NOPACKETS 0
684 #define STAT_NOCARRIERSET 10
685 #define STAT_GOTCARRIERSET 11
686 #define STAT_WRONGSSID 20
687 #define STAT_BADCHANNEL 25
688 #define STAT_BADBITRATES 30
689 #define STAT_BADPRIVACY 35
690 #define STAT_APFOUND 40
691 #define STAT_APREJECTED 50
692 #define STAT_AUTHENTICATING 60
693 #define STAT_DEAUTHENTICATED 61
694 #define STAT_AUTHTIMEOUT 62
695 #define STAT_ASSOCIATING 70
696 #define STAT_DEASSOCIATED 71
697 #define STAT_ASSOCTIMEOUT 72
698 #define STAT_NOTAIROAP 73
699 #define STAT_ASSOCIATED 80
700 #define STAT_LEAPING 90
701 #define STAT_LEAPFAILED 91
702 #define STAT_LEAPTIMEDOUT 92
703 #define STAT_LEAPCOMPLETE 93
726 char factoryAddr[ETH_ALEN];
727 char aironetAddr[ETH_ALEN];
730 char callid[ETH_ALEN];
731 char supportedRates[8];
734 u16 txPowerLevels[8];
748 /* Only present on firmware >= 5.30.17 */
751 u8 fixed[12]; /* WLAN management frame */
757 u16 index; /* First is 0 and 0xffff means end of list */
758 #define RADIO_FH 1 /* Frequency hopping radio type */
759 #define RADIO_DS 2 /* Direct sequence radio type */
760 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
762 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
767 #define CAP_ESS (1<<0)
768 #define CAP_IBSS (1<<1)
769 #define CAP_PRIVACY (1<<4)
770 #define CAP_SHORTHDR (1<<5)
773 u8 rates[8]; /* Same as rates for config rid */
774 struct { /* For frequency hopping only */
784 /* Only present on firmware >= 5.30.17 */
785 BSSListRidExtra extra;
790 struct list_head list;
836 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
837 #define TXCTL_TXEX (1<<2) /* report if tx fails */
838 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
839 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
840 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
841 #define TXCTL_LLC (1<<4) /* payload is llc */
842 #define TXCTL_RELEASE (0<<5) /* release after completion */
843 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
845 #define BUSY_FID 0x10000
848 #define AIROMAGIC 0xa55a
849 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
850 #ifdef SIOCIWFIRSTPRIV
851 #ifdef SIOCDEVPRIVATE
852 #define AIROOLDIOCTL SIOCDEVPRIVATE
853 #define AIROOLDIDIFC AIROOLDIOCTL + 1
854 #endif /* SIOCDEVPRIVATE */
855 #else /* SIOCIWFIRSTPRIV */
856 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
857 #endif /* SIOCIWFIRSTPRIV */
858 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
859 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
860 * only and don't return the modified struct ifreq to the application which
861 * is usually a problem. - Jean II */
862 #define AIROIOCTL SIOCIWFIRSTPRIV
863 #define AIROIDIFC AIROIOCTL + 1
865 /* Ioctl constants to be used in airo_ioctl.command */
867 #define AIROGCAP 0 // Capability rid
868 #define AIROGCFG 1 // USED A LOT
869 #define AIROGSLIST 2 // System ID list
870 #define AIROGVLIST 3 // List of specified AP's
871 #define AIROGDRVNAM 4 // NOTUSED
872 #define AIROGEHTENC 5 // NOTUSED
873 #define AIROGWEPKTMP 6
874 #define AIROGWEPKNV 7
876 #define AIROGSTATSC32 9
877 #define AIROGSTATSD32 10
878 #define AIROGMICRID 11
879 #define AIROGMICSTATS 12
880 #define AIROGFLAGS 13
883 #define AIRORSWVERSION 17
885 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
887 #define AIROPCAP AIROGSTATSD32 + 40
888 #define AIROPVLIST AIROPCAP + 1
889 #define AIROPSLIST AIROPVLIST + 1
890 #define AIROPCFG AIROPSLIST + 1
891 #define AIROPSIDS AIROPCFG + 1
892 #define AIROPAPLIST AIROPSIDS + 1
893 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
894 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
895 #define AIROPSTCLR AIROPMACOFF + 1
896 #define AIROPWEPKEY AIROPSTCLR + 1
897 #define AIROPWEPKEYNV AIROPWEPKEY + 1
898 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
899 #define AIROPLEAPUSR AIROPLEAPPWD + 1
903 #define AIROFLSHRST AIROPWEPKEYNV + 40
904 #define AIROFLSHGCHR AIROFLSHRST + 1
905 #define AIROFLSHSTFL AIROFLSHGCHR + 1
906 #define AIROFLSHPCHR AIROFLSHSTFL + 1
907 #define AIROFLPUTBUF AIROFLSHPCHR + 1
908 #define AIRORESTART AIROFLPUTBUF + 1
910 #define FLASHSIZE 32768
911 #define AUXMEMSIZE (256 * 1024)
913 typedef struct aironet_ioctl {
914 unsigned short command; // What to do
915 unsigned short len; // Len of data
916 unsigned short ridnum; // rid number
917 unsigned char __user *data; // d-data
920 static char swversion[] = "2.1";
921 #endif /* CISCO_EXT */
923 #define NUM_MODULES 2
924 #define MIC_MSGLEN_MAX 2400
925 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
926 #define AIRO_DEF_MTU 2312
930 u8 enabled; // MIC enabled or not
931 u32 rxSuccess; // successful packets received
932 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
933 u32 rxNotMICed; // pkts dropped due to not being MIC'd
934 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
935 u32 rxWrongSequence; // pkts dropped due to sequence number violation
940 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
941 u64 accum; // accumulated mic, reduced to u32 in final()
942 int position; // current position (byte offset) in message
946 } part; // saves partial message word across update() calls
950 emmh32_context seed; // Context - the seed
951 u32 rx; // Received sequence number
952 u32 tx; // Tx sequence number
953 u32 window; // Start of window
954 u8 valid; // Flag to say if context is valid or not
959 miccntx mCtx; // Multicast context
960 miccntx uCtx; // Unicast context
964 unsigned int rid: 16;
965 unsigned int len: 15;
966 unsigned int valid: 1;
967 dma_addr_t host_addr;
971 unsigned int offset: 15;
973 unsigned int len: 15;
974 unsigned int valid: 1;
975 dma_addr_t host_addr;
979 unsigned int ctl: 15;
981 unsigned int len: 15;
982 unsigned int valid: 1;
983 dma_addr_t host_addr;
987 * Host receive descriptor
990 unsigned char __iomem *card_ram_off; /* offset into card memory of the
992 RxFid rx_desc; /* card receive descriptor */
993 char *virtual_host_addr; /* virtual address of host receive
999 * Host transmit descriptor
1002 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1004 TxFid tx_desc; /* card transmit descriptor */
1005 char *virtual_host_addr; /* virtual address of host receive
1011 * Host RID descriptor
1014 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1016 Rid rid_desc; /* card RID descriptor */
1017 char *virtual_host_addr; /* virtual address of host receive
1026 #define HOST_SET (1 << 0)
1027 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1028 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1029 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1030 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1031 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1032 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1033 #define HOST_RTS (1 << 9) /* Force RTS use */
1034 #define HOST_SHORT (1 << 10) /* Do short preamble */
1061 static WifiCtlHdr wifictlhdr8023 = {
1063 .ctl = HOST_DONT_RLSE,
1067 // Frequency list (map channels to frequencies)
1068 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1069 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1071 // A few details needed for WEP (Wireless Equivalent Privacy)
1072 #define MAX_KEY_SIZE 13 // 128 (?) bits
1073 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1074 typedef struct wep_key_t {
1076 u8 key[16]; /* 40-bit and 104-bit keys */
1079 /* Backward compatibility */
1080 #ifndef IW_ENCODE_NOKEY
1081 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1082 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1083 #endif /* IW_ENCODE_NOKEY */
1085 /* List of Wireless Handlers (new API) */
1086 static const struct iw_handler_def airo_handler_def;
1088 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1092 static int get_dec_u16( char *buffer, int *start, int limit );
1093 static void OUT4500( struct airo_info *, u16 register, u16 value );
1094 static unsigned short IN4500( struct airo_info *, u16 register );
1095 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1096 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1097 static void disable_MAC(struct airo_info *ai, int lock);
1098 static void enable_interrupts(struct airo_info*);
1099 static void disable_interrupts(struct airo_info*);
1100 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1101 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1102 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1106 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1108 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1109 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1110 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1111 *pBuf, int len, int lock);
1112 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1113 int len, int dummy );
1114 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1115 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1116 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1118 static int mpi_send_packet (struct net_device *dev);
1119 static void mpi_unmap_card(struct pci_dev *pci);
1120 static void mpi_receive_802_3(struct airo_info *ai);
1121 static void mpi_receive_802_11(struct airo_info *ai);
1122 static int waitbusy (struct airo_info *ai);
1124 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1125 static int airo_thread(void *data);
1126 static void timer_func( struct net_device *dev );
1127 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1128 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1129 static void airo_read_wireless_stats (struct airo_info *local);
1131 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1132 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1133 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1134 #endif /* CISCO_EXT */
1135 static void micinit(struct airo_info *ai);
1136 static int micsetup(struct airo_info *ai);
1137 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1138 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1140 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1141 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1143 static void airo_networks_free(struct airo_info *ai);
1146 struct net_device_stats stats;
1147 struct net_device *dev;
1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1151 #define MPI_MAX_FIDS 1
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
1158 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160 #define FLAG_RADIO_MASK 0x03
1161 #define FLAG_ENABLED 2
1162 #define FLAG_ADHOC 3 /* Needed by MIC */
1163 #define FLAG_MIC_CAPABLE 4
1164 #define FLAG_UPDATE_MULTI 5
1165 #define FLAG_UPDATE_UNI 6
1166 #define FLAG_802_11 7
1167 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1168 #define FLAG_PENDING_XMIT 9
1169 #define FLAG_PENDING_XMIT11 10
1171 #define FLAG_REGISTERED 12
1172 #define FLAG_COMMIT 13
1173 #define FLAG_RESET 14
1174 #define FLAG_FLASHING 15
1175 #define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1179 #define JOB_XMIT11 2
1181 #define JOB_PROMISC 4
1184 #define JOB_AUTOWEP 7
1185 #define JOB_WSTATS 8
1186 #define JOB_SCAN_RESULTS 9
1188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1190 unsigned short *flash;
1192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
1194 struct semaphore sem;
1195 wait_queue_head_t thr_wait;
1196 unsigned long expires;
1198 struct sk_buff *skb;
1201 struct net_device *wifidev;
1202 struct iw_statistics wstats; // wireless stats
1203 unsigned long scan_timeout; /* Time scan should be read */
1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1207 struct crypto_cipher *tfm;
1209 mic_statistics micstats;
1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1236 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241 static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243 static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1246 static int cmdreset(struct airo_info *ai);
1247 static int setflashmode (struct airo_info *ai);
1248 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249 static int flashputbuf(struct airo_info *ai);
1250 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1268 /***********************************************************************
1270 ***********************************************************************
1273 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274 static void MoveWindow(miccntx *context, u32 micSeq);
1275 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
1277 static void emmh32_init(emmh32_context *context);
1278 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1282 /* micinit - Initialize mic seed */
1284 static void micinit(struct airo_info *ai)
1288 clear_bit(JOB_MIC, &ai->jobs);
1289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1338 /* micsetup - Get ready for business */
1340 static int micsetup(struct airo_info *ai) {
1343 if (ai->tfm == NULL)
1344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1346 if (IS_ERR(ai->tfm)) {
1347 airo_print_err(ai->dev->name, "failed to load transform for AES");
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1359 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1361 /*===========================================================================
1362 * Description: Mic a packet
1364 * Inputs: etherHead * pointer to an 802.3 frame
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1377 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1387 context = &ai->mod[0].uCtx;
1389 if (!context->valid)
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1397 mic->seq = htonl(context->tx);
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1420 /*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1424 * Inputs: etherHead pointer to the 802.3 packet
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1433 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1439 mic_error micError = NONE;
1441 // Check if the packet is a Mic'd packet
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1452 if (ntohs(mic->typelen) == 0x888E)
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1477 //Make sure context is valid
1478 if (!context->valid) {
1480 micError = NOMICPLUMMED;
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1494 emmh32_final(&context->seed, digest);
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1499 micError = INCORRECTMIC;
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1509 micError = SEQUENCE;
1512 // Update statistics
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1523 /*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1530 * Returns: TRUE if valid otherwise FALSE.
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1537 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1559 //Too old of a SEQ number to check.
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1578 MoveWindow(context,micSeq);
1585 static void MoveWindow(miccntx *context, u32 micSeq)
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1595 context->rx >>= shift;
1599 context->window = micSeq; //Move window
1603 /*==============================================*/
1604 /*========== EMMH ROUTINES ====================*/
1605 /*==============================================*/
1607 /* mic accumulate */
1608 #define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1611 static unsigned char aes_counter[16];
1613 /* expand the key to fill the MMH coefficient array */
1614 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1622 u8 *cipher, plain[16];
1624 crypto_cipher_setkey(tfm, pkey, 16);
1626 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1632 memcpy (plain, aes_counter, 16);
1633 crypto_cipher_encrypt_one(tfm, plain, plain);
1635 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1642 /* prepare for calculation of a new mic */
1643 static void emmh32_init(emmh32_context *context)
1645 /* prepare for new mic calculation */
1647 context->position = 0;
1650 /* add some bytes to the mic calculation */
1651 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1653 int coeff_position, byte_position;
1655 if (len == 0) return;
1657 coeff_position = context->position >> 2;
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1672 /* deal with full 32-bit words */
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1680 /* deal with partial 32-bit word that will be left over from this update */
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1689 /* mask used to zero empty bytes for final partial word */
1690 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1692 /* calculate the mic */
1693 static void emmh32_final(emmh32_context *context, u8 digest[4])
1695 int coeff_position, byte_position;
1701 coeff_position = context->position >> 2;
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1726 static int readBSSListRid(struct airo_info *ai, int first,
1733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
1738 ai->list_bss_task = current;
1739 issuecommand(ai, &cmd, &rsp);
1741 /* Let the command take effect */
1742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
1756 list->dBm = le16_to_cpu(list->dBm);
1760 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1769 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1773 WepKeyRid wkr = *pwkr;
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1789 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1799 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1802 SsidRid ssidr = *pssidr;
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1811 static int readConfigRid(struct airo_info*ai, int lock) {
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1840 static inline void checkThrottle(struct airo_info *ai) {
1842 /* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1851 static int writeConfigRid(struct airo_info*ai, int lock) {
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1884 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1897 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1902 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1908 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1920 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1929 static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1950 enable_MAC(info, &rsp, 1);
1952 netif_start_queue(dev);
1956 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1965 npacks = skb_queue_len (&ai->txq);
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1973 skb_queue_tail (&ai->txq, skb);
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1997 static int mpi_send_packet (struct net_device *dev)
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2005 /* get a packet to send */
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2062 dev->trans_start = jiffies;
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2071 OUT4500(ai, EVACK, 8);
2073 dev_kfree_skb_any(skb);
2077 static void get_tx_error(struct airo_info *ai, s32 fid)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2086 bap_read(ai, &status, 2, BAP0);
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2128 static void airo_end_xmit(struct net_device *dev) {
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2136 clear_bit(JOB_XMIT, &priv->jobs);
2137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2154 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2160 if ( skb == NULL ) {
2161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
2186 set_bit(JOB_XMIT, &priv->jobs);
2187 wake_up_interruptible(&priv->thr_wait);
2193 static void airo_end_xmit11(struct net_device *dev) {
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2201 clear_bit(JOB_XMIT11, &priv->jobs);
2202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2215 netif_wake_queue(dev);
2219 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2231 if ( skb == NULL ) {
2232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
2257 set_bit(JOB_XMIT11, &priv->jobs);
2258 wake_up_interruptible(&priv->thr_wait);
2260 airo_end_xmit11(dev);
2264 static void airo_read_stats(struct airo_info *ai) {
2266 u32 *vals = stats_rid.vals;
2268 clear_bit(JOB_STATS, &ai->jobs);
2269 if (ai->power.event) {
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2292 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2294 struct airo_info *local = dev->priv;
2296 if (!test_bit(JOB_STATS, &local->jobs)) {
2297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
2299 set_bit(JOB_STATS, &local->jobs);
2300 wake_up_interruptible(&local->thr_wait);
2302 airo_read_stats(local);
2305 return &local->stats;
2308 static void airo_set_promisc(struct airo_info *ai) {
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
2314 clear_bit(JOB_PROMISC, &ai->jobs);
2315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2320 static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
2326 set_bit(JOB_PROMISC, &ai->jobs);
2327 wake_up_interruptible(&ai->thr_wait);
2329 airo_set_promisc(ai);
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2337 static int airo_set_mac_address(struct net_device *dev, void *p)
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2355 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2364 static int airo_close(struct net_device *dev) {
2365 struct airo_info *ai = dev->priv;
2367 netif_stop_queue(dev);
2369 if (ai->wifidev != dev) {
2370 #ifdef POWER_ON_DOWN
2371 /* Shut power to the card. The idea is that the user can save
2372 * power when he doesn't need the card with "ifconfig down".
2373 * That's the method that is most friendly towards the network
2374 * stack (i.e. the network stack won't try to broadcast
2375 * anything on the interface and routes are gone. Jean II */
2376 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2379 disable_interrupts( ai );
2384 static void del_airo_dev( struct net_device *dev );
2386 void stop_airo_card( struct net_device *dev, int freeres )
2388 struct airo_info *ai = dev->priv;
2390 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2392 disable_interrupts(ai);
2393 free_irq( dev->irq, dev );
2394 takedown_proc_entry( dev, ai );
2395 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2396 unregister_netdev( dev );
2398 unregister_netdev(ai->wifidev);
2399 free_netdev(ai->wifidev);
2402 clear_bit(FLAG_REGISTERED, &ai->flags);
2404 set_bit(JOB_DIE, &ai->jobs);
2405 kthread_stop(ai->airo_thread_task);
2408 * Clean out tx queue
2410 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2411 struct sk_buff *skb = NULL;
2412 for (;(skb = skb_dequeue(&ai->txq));)
2416 airo_networks_free (ai);
2423 /* PCMCIA frees this stuff, so only for PCI and ISA */
2424 release_region( dev->base_addr, 64 );
2425 if (test_bit(FLAG_MPI, &ai->flags)) {
2427 mpi_unmap_card(ai->pci);
2429 iounmap(ai->pcimem);
2431 iounmap(ai->pciaux);
2432 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2433 ai->shared, ai->shared_dma);
2436 crypto_free_cipher(ai->tfm);
2437 del_airo_dev( dev );
2441 EXPORT_SYMBOL(stop_airo_card);
2443 static int add_airo_dev( struct net_device *dev );
2445 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2447 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2451 static void mpi_unmap_card(struct pci_dev *pci)
2453 unsigned long mem_start = pci_resource_start(pci, 1);
2454 unsigned long mem_len = pci_resource_len(pci, 1);
2455 unsigned long aux_start = pci_resource_start(pci, 2);
2456 unsigned long aux_len = AUXMEMSIZE;
2458 release_mem_region(aux_start, aux_len);
2459 release_mem_region(mem_start, mem_len);
2462 /*************************************************************
2463 * This routine assumes that descriptors have been setup .
2464 * Run at insmod time or after reset when the decriptors
2465 * have been initialized . Returns 0 if all is well nz
2466 * otherwise . Does not allocate memory but sets up card
2467 * using previously allocated descriptors.
2469 static int mpi_init_descriptors (struct airo_info *ai)
2476 /* Alloc card RX descriptors */
2477 netif_stop_queue(ai->dev);
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2482 cmd.cmd = CMD_ALLOCATEAUX;
2484 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
2488 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 memcpy_toio(ai->rxfids[i].card_ram_off,
2494 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2497 /* Alloc card TX descriptors */
2499 memset(&rsp,0,sizeof(rsp));
2500 memset(&cmd,0,sizeof(cmd));
2502 cmd.cmd = CMD_ALLOCATEAUX;
2504 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2505 cmd.parm2 = MPI_MAX_FIDS;
2507 for (i=0; i<MPI_MAX_FIDS; i++) {
2508 ai->txfids[i].tx_desc.valid = 1;
2509 memcpy_toio(ai->txfids[i].card_ram_off,
2510 &ai->txfids[i].tx_desc, sizeof(TxFid));
2512 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2514 rc=issuecommand(ai, &cmd, &rsp);
2515 if (rc != SUCCESS) {
2516 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2520 /* Alloc card Rid descriptor */
2521 memset(&rsp,0,sizeof(rsp));
2522 memset(&cmd,0,sizeof(cmd));
2524 cmd.cmd = CMD_ALLOCATEAUX;
2526 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2527 cmd.parm2 = 1; /* Magic number... */
2528 rc=issuecommand(ai, &cmd, &rsp);
2529 if (rc != SUCCESS) {
2530 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2534 memcpy_toio(ai->config_desc.card_ram_off,
2535 &ai->config_desc.rid_desc, sizeof(Rid));
2541 * We are setting up three things here:
2542 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2543 * 2) Map PCI memory for issueing commands.
2544 * 3) Allocate memory (shared) to send and receive ethernet frames.
2546 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2549 unsigned long mem_start, mem_len, aux_start, aux_len;
2552 dma_addr_t busaddroff;
2553 unsigned char *vpackoff;
2554 unsigned char __iomem *pciaddroff;
2556 mem_start = pci_resource_start(pci, 1);
2557 mem_len = pci_resource_len(pci, 1);
2558 aux_start = pci_resource_start(pci, 2);
2559 aux_len = AUXMEMSIZE;
2561 if (!request_mem_region(mem_start, mem_len, name)) {
2562 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2563 (int)mem_start, (int)mem_len, name);
2566 if (!request_mem_region(aux_start, aux_len, name)) {
2567 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2568 (int)aux_start, (int)aux_len, name);
2572 ai->pcimem = ioremap(mem_start, mem_len);
2574 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2575 (int)mem_start, (int)mem_len, name);
2578 ai->pciaux = ioremap(aux_start, aux_len);
2580 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2581 (int)aux_start, (int)aux_len, name);
2585 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2586 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2588 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2594 * Setup descriptor RX, TX, CONFIG
2596 busaddroff = ai->shared_dma;
2597 pciaddroff = ai->pciaux + AUX_OFFSET;
2598 vpackoff = ai->shared;
2600 /* RX descriptor setup */
2601 for(i = 0; i < MPI_MAX_FIDS; i++) {
2602 ai->rxfids[i].pending = 0;
2603 ai->rxfids[i].card_ram_off = pciaddroff;
2604 ai->rxfids[i].virtual_host_addr = vpackoff;
2605 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2606 ai->rxfids[i].rx_desc.valid = 1;
2607 ai->rxfids[i].rx_desc.len = PKTSIZE;
2608 ai->rxfids[i].rx_desc.rdy = 0;
2610 pciaddroff += sizeof(RxFid);
2611 busaddroff += PKTSIZE;
2612 vpackoff += PKTSIZE;
2615 /* TX descriptor setup */
2616 for(i = 0; i < MPI_MAX_FIDS; i++) {
2617 ai->txfids[i].card_ram_off = pciaddroff;
2618 ai->txfids[i].virtual_host_addr = vpackoff;
2619 ai->txfids[i].tx_desc.valid = 1;
2620 ai->txfids[i].tx_desc.host_addr = busaddroff;
2621 memcpy(ai->txfids[i].virtual_host_addr,
2622 &wifictlhdr8023, sizeof(wifictlhdr8023));
2624 pciaddroff += sizeof(TxFid);
2625 busaddroff += PKTSIZE;
2626 vpackoff += PKTSIZE;
2628 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2630 /* Rid descriptor setup */
2631 ai->config_desc.card_ram_off = pciaddroff;
2632 ai->config_desc.virtual_host_addr = vpackoff;
2633 ai->config_desc.rid_desc.host_addr = busaddroff;
2634 ai->ridbus = busaddroff;
2635 ai->config_desc.rid_desc.rid = 0;
2636 ai->config_desc.rid_desc.len = RIDSIZE;
2637 ai->config_desc.rid_desc.valid = 1;
2638 pciaddroff += sizeof(Rid);
2639 busaddroff += RIDSIZE;
2640 vpackoff += RIDSIZE;
2642 /* Tell card about descriptors */
2643 if (mpi_init_descriptors (ai) != SUCCESS)
2648 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2650 iounmap(ai->pciaux);
2652 iounmap(ai->pcimem);
2654 release_mem_region(aux_start, aux_len);
2656 release_mem_region(mem_start, mem_len);
2661 static void wifi_setup(struct net_device *dev)
2663 dev->hard_header = NULL;
2664 dev->rebuild_header = NULL;
2665 dev->hard_header_cache = NULL;
2666 dev->header_cache_update= NULL;
2668 dev->hard_header_parse = wll_header_parse;
2669 dev->hard_start_xmit = &airo_start_xmit11;
2670 dev->get_stats = &airo_get_stats;
2671 dev->set_mac_address = &airo_set_mac_address;
2672 dev->do_ioctl = &airo_ioctl;
2673 dev->wireless_handlers = &airo_handler_def;
2674 dev->change_mtu = &airo_change_mtu;
2675 dev->open = &airo_open;
2676 dev->stop = &airo_close;
2678 dev->type = ARPHRD_IEEE80211;
2679 dev->hard_header_len = ETH_HLEN;
2680 dev->mtu = AIRO_DEF_MTU;
2681 dev->addr_len = ETH_ALEN;
2682 dev->tx_queue_len = 100;
2684 memset(dev->broadcast,0xFF, ETH_ALEN);
2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2689 static struct net_device *init_wifidev(struct airo_info *ai,
2690 struct net_device *ethdev)
2693 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2696 dev->priv = ethdev->priv;
2697 dev->irq = ethdev->irq;
2698 dev->base_addr = ethdev->base_addr;
2699 dev->wireless_data = ethdev->wireless_data;
2700 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2701 err = register_netdev(dev);
2709 static int reset_card( struct net_device *dev , int lock) {
2710 struct airo_info *ai = dev->priv;
2712 if (lock && down_interruptible(&ai->sem))
2715 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2724 #define AIRO_MAX_NETWORK_COUNT 64
2725 static int airo_networks_allocate(struct airo_info *ai)
2731 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2733 if (!ai->networks) {
2734 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2741 static void airo_networks_free(struct airo_info *ai)
2743 kfree(ai->networks);
2744 ai->networks = NULL;
2747 static void airo_networks_initialize(struct airo_info *ai)
2751 INIT_LIST_HEAD(&ai->network_free_list);
2752 INIT_LIST_HEAD(&ai->network_list);
2753 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2754 list_add_tail(&ai->networks[i].list,
2755 &ai->network_free_list);
2758 static int airo_test_wpa_capable(struct airo_info *ai)
2761 CapabilityRid cap_rid;
2762 const char *name = ai->dev->name;
2764 status = readCapabilityRid(ai, &cap_rid, 1);
2765 if (status != SUCCESS) return 0;
2767 /* Only firmware versions 5.30.17 or better can do WPA */
2768 if ((cap_rid.softVer > 0x530)
2769 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2770 airo_print_info(name, "WPA is supported.");
2774 /* No WPA support */
2775 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2776 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2780 static struct net_device *_init_airo_card( unsigned short irq, int port,
2781 int is_pcmcia, struct pci_dev *pci,
2782 struct device *dmdev )
2784 struct net_device *dev;
2785 struct airo_info *ai;
2788 /* Create the network device object. */
2789 dev = alloc_etherdev(sizeof(*ai));
2791 airo_print_err("", "Couldn't alloc_etherdev");
2794 if (dev_alloc_name(dev, dev->name) < 0) {
2795 airo_print_err("", "Couldn't get name!");
2804 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2805 airo_print_dbg(dev->name, "Found an MPI350 card");
2806 set_bit(FLAG_MPI, &ai->flags);
2808 spin_lock_init(&ai->aux_lock);
2809 sema_init(&ai->sem, 1);
2812 init_waitqueue_head (&ai->thr_wait);
2813 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2814 if (IS_ERR(ai->airo_thread_task))
2817 rc = add_airo_dev( dev );
2821 if (airo_networks_allocate (ai))
2822 goto err_out_unlink;
2823 airo_networks_initialize (ai);
2825 /* The Airo-specific entries in the device structure. */
2826 if (test_bit(FLAG_MPI,&ai->flags)) {
2827 skb_queue_head_init (&ai->txq);
2828 dev->hard_start_xmit = &mpi_start_xmit;
2830 dev->hard_start_xmit = &airo_start_xmit;
2831 dev->get_stats = &airo_get_stats;
2832 dev->set_multicast_list = &airo_set_multicast_list;
2833 dev->set_mac_address = &airo_set_mac_address;
2834 dev->do_ioctl = &airo_ioctl;
2835 dev->wireless_handlers = &airo_handler_def;
2836 ai->wireless_data.spy_data = &ai->spy_data;
2837 dev->wireless_data = &ai->wireless_data;
2838 dev->change_mtu = &airo_change_mtu;
2839 dev->open = &airo_open;
2840 dev->stop = &airo_close;
2842 dev->base_addr = port;
2844 SET_NETDEV_DEV(dev, dmdev);
2846 reset_card (dev, 1);
2849 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2851 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2856 if (!request_region( dev->base_addr, 64, dev->name )) {
2858 airo_print_err(dev->name, "Couldn't request region");
2863 if (test_bit(FLAG_MPI,&ai->flags)) {
2864 if (mpi_map_card(ai, pci, dev->name)) {
2865 airo_print_err(dev->name, "Could not map memory");
2871 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2872 airo_print_err(dev->name, "MAC could not be enabled" );
2876 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2877 ai->bap_read = fast_bap_read;
2878 set_bit(FLAG_FLASHING, &ai->flags);
2881 /* Test for WPA support */
2882 if (airo_test_wpa_capable(ai)) {
2883 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2884 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2885 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2886 ai->bssListRidLen = sizeof(BSSListRid);
2888 ai->bssListFirst = RID_BSSLISTFIRST;
2889 ai->bssListNext = RID_BSSLISTNEXT;
2890 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2893 rc = register_netdev(dev);
2895 airo_print_err(dev->name, "Couldn't register_netdev");
2898 ai->wifidev = init_wifidev(ai, dev);
2902 set_bit(FLAG_REGISTERED,&ai->flags);
2903 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2904 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2905 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2912 if (setup_proc_entry(dev, dev->priv) < 0)
2915 netif_start_queue(dev);
2916 SET_MODULE_OWNER(dev);
2920 unregister_netdev(ai->wifidev);
2921 free_netdev(ai->wifidev);
2923 unregister_netdev(dev);
2925 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2926 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2927 iounmap(ai->pciaux);
2928 iounmap(ai->pcimem);
2929 mpi_unmap_card(ai->pci);
2933 release_region( dev->base_addr, 64 );
2935 free_irq(dev->irq, dev);
2937 airo_networks_free(ai);
2941 set_bit(JOB_DIE, &ai->jobs);
2942 kthread_stop(ai->airo_thread_task);
2948 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2949 struct device *dmdev)
2951 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2954 EXPORT_SYMBOL(init_airo_card);
2956 static int waitbusy (struct airo_info *ai) {
2958 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2960 if ((++delay % 20) == 0)
2961 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2963 return delay < 10000;
2966 int reset_airo_card( struct net_device *dev )
2969 struct airo_info *ai = dev->priv;
2971 if (reset_card (dev, 1))
2974 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2975 airo_print_err(dev->name, "MAC could not be enabled");
2978 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2979 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2980 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2981 /* Allocate the transmit buffers if needed */
2982 if (!test_bit(FLAG_MPI,&ai->flags))
2983 for( i = 0; i < MAX_FIDS; i++ )
2984 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2986 enable_interrupts( ai );
2987 netif_wake_queue(dev);
2991 EXPORT_SYMBOL(reset_airo_card);
2993 static void airo_send_event(struct net_device *dev) {
2994 struct airo_info *ai = dev->priv;
2995 union iwreq_data wrqu;
2996 StatusRid status_rid;
2998 clear_bit(JOB_EVENT, &ai->jobs);
2999 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3001 wrqu.data.length = 0;
3002 wrqu.data.flags = 0;
3003 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3004 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3006 /* Send event to user space */
3007 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3010 static void airo_process_scan_results (struct airo_info *ai) {
3011 union iwreq_data wrqu;
3014 BSSListElement * loop_net;
3015 BSSListElement * tmp_net;
3017 /* Blow away current list of scan results */
3018 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3019 list_move_tail (&loop_net->list, &ai->network_free_list);
3020 /* Don't blow away ->list, just BSS data */
3021 memset (loop_net, 0, sizeof (loop_net->bss));
3024 /* Try to read the first entry of the scan result */
3025 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3026 if((rc) || (bss.index == 0xffff)) {
3027 /* No scan results */
3031 /* Read and parse all entries */
3033 while((!rc) && (bss.index != 0xffff)) {
3034 /* Grab a network off the free list */
3035 if (!list_empty(&ai->network_free_list)) {
3036 tmp_net = list_entry(ai->network_free_list.next,
3037 BSSListElement, list);
3038 list_del(ai->network_free_list.next);
3041 if (tmp_net != NULL) {
3042 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3043 list_add_tail(&tmp_net->list, &ai->network_list);
3047 /* Read next entry */
3048 rc = PC4500_readrid(ai, ai->bssListNext,
3049 &bss, ai->bssListRidLen, 0);
3053 ai->scan_timeout = 0;
3054 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3057 /* Send an empty event to user space.
3058 * We don't send the received data on
3059 * the event because it would require
3060 * us to do complex transcoding, and
3061 * we want to minimise the work done in
3062 * the irq handler. Use a request to
3063 * extract the data - Jean II */
3064 wrqu.data.length = 0;
3065 wrqu.data.flags = 0;
3066 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3069 static int airo_thread(void *data) {
3070 struct net_device *dev = data;
3071 struct airo_info *ai = dev->priv;
3075 /* make swsusp happy with our thread */
3078 if (test_bit(JOB_DIE, &ai->jobs))
3082 locked = down_interruptible(&ai->sem);
3086 init_waitqueue_entry(&wait, current);
3087 add_wait_queue(&ai->thr_wait, &wait);
3089 set_current_state(TASK_INTERRUPTIBLE);
3092 if (ai->expires || ai->scan_timeout) {
3093 if (ai->scan_timeout &&
3094 time_after_eq(jiffies,ai->scan_timeout)){
3095 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3097 } else if (ai->expires &&
3098 time_after_eq(jiffies,ai->expires)){
3099 set_bit(JOB_AUTOWEP, &ai->jobs);
3102 if (!kthread_should_stop() &&
3103 !freezing(current)) {
3104 unsigned long wake_at;
3105 if (!ai->expires || !ai->scan_timeout) {
3106 wake_at = max(ai->expires,
3109 wake_at = min(ai->expires,
3112 schedule_timeout(wake_at - jiffies);
3115 } else if (!kthread_should_stop() &&
3116 !freezing(current)) {
3122 current->state = TASK_RUNNING;
3123 remove_wait_queue(&ai->thr_wait, &wait);
3130 if (test_bit(JOB_DIE, &ai->jobs)) {
3135 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3140 if (test_bit(JOB_XMIT, &ai->jobs))
3142 else if (test_bit(JOB_XMIT11, &ai->jobs))
3143 airo_end_xmit11(dev);
3144 else if (test_bit(JOB_STATS, &ai->jobs))
3145 airo_read_stats(ai);
3146 else if (test_bit(JOB_WSTATS, &ai->jobs))
3147 airo_read_wireless_stats(ai);
3148 else if (test_bit(JOB_PROMISC, &ai->jobs))
3149 airo_set_promisc(ai);
3150 else if (test_bit(JOB_MIC, &ai->jobs))
3152 else if (test_bit(JOB_EVENT, &ai->jobs))
3153 airo_send_event(dev);
3154 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3156 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3157 airo_process_scan_results(ai);
3158 else /* Shouldn't get here, but we make sure to unlock */
3165 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3166 struct net_device *dev = (struct net_device *)dev_id;
3169 struct airo_info *apriv = dev->priv;
3170 u16 savedInterrupts = 0;
3173 if (!netif_device_present(dev))
3177 status = IN4500( apriv, EVSTAT );
3178 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3182 if ( status & EV_AWAKE ) {
3183 OUT4500( apriv, EVACK, EV_AWAKE );
3184 OUT4500( apriv, EVACK, EV_AWAKE );
3187 if (!savedInterrupts) {
3188 savedInterrupts = IN4500( apriv, EVINTEN );
3189 OUT4500( apriv, EVINTEN, 0 );
3192 if ( status & EV_MIC ) {
3193 OUT4500( apriv, EVACK, EV_MIC );
3194 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3195 set_bit(JOB_MIC, &apriv->jobs);
3196 wake_up_interruptible(&apriv->thr_wait);
3199 if ( status & EV_LINK ) {
3200 union iwreq_data wrqu;
3201 int scan_forceloss = 0;
3202 /* The link status has changed, if you want to put a
3203 monitor hook in, do it here. (Remember that
3204 interrupts are still disabled!)
3206 u16 newStatus = IN4500(apriv, LINKSTAT);
3207 OUT4500( apriv, EVACK, EV_LINK);
3208 /* Here is what newStatus means: */
3209 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3210 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3211 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3212 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3213 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3214 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3215 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3216 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3218 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3220 #define ASSOCIATED 0x0400 /* Associated */
3221 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3222 #define RC_RESERVED 0 /* Reserved return code */
3223 #define RC_NOREASON 1 /* Unspecified reason */
3224 #define RC_AUTHINV 2 /* Previous authentication invalid */
3225 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3227 #define RC_NOACT 4 /* Disassociated due to inactivity */
3228 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3229 all currently associated stations */
3230 #define RC_BADCLASS2 6 /* Class 2 frame received from
3231 non-Authenticated station */
3232 #define RC_BADCLASS3 7 /* Class 3 frame received from
3233 non-Associated station */
3234 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3236 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3237 Authenticated with the responding station */
3238 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3240 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3243 if (apriv->list_bss_task)
3244 wake_up_process(apriv->list_bss_task);
3245 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3246 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3248 if (down_trylock(&apriv->sem) != 0) {
3249 set_bit(JOB_EVENT, &apriv->jobs);
3250 wake_up_interruptible(&apriv->thr_wait);
3252 airo_send_event(dev);
3253 } else if (!scan_forceloss) {
3254 if (auto_wep && !apriv->expires) {
3255 apriv->expires = RUN_AT(3*HZ);
3256 wake_up_interruptible(&apriv->thr_wait);
3259 /* Send event to user space */
3260 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3261 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3262 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3266 /* Check to see if there is something to receive */
3267 if ( status & EV_RX ) {
3268 struct sk_buff *skb = NULL;
3269 u16 fc, len, hdrlen = 0;
3283 if (test_bit(FLAG_MPI,&apriv->flags)) {
3284 if (test_bit(FLAG_802_11, &apriv->flags))
3285 mpi_receive_802_11(apriv);
3287 mpi_receive_802_3(apriv);
3288 OUT4500(apriv, EVACK, EV_RX);
3292 fid = IN4500( apriv, RXFID );
3294 /* Get the packet length */
3295 if (test_bit(FLAG_802_11, &apriv->flags)) {
3296 bap_setup (apriv, fid, 4, BAP0);
3297 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3298 /* Bad CRC. Ignore packet */
3299 if (le16_to_cpu(hdr.status) & 2)
3301 if (apriv->wifidev == NULL)
3304 bap_setup (apriv, fid, 0x36, BAP0);
3305 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3307 len = le16_to_cpu(hdr.len);
3309 if (len > AIRO_DEF_MTU) {
3310 airo_print_err(apriv->dev->name, "Bad size %d", len);
3316 if (test_bit(FLAG_802_11, &apriv->flags)) {
3317 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3318 fc = le16_to_cpu(fc);
3321 if ((fc & 0xe0) == 0xc0)
3327 if ((fc&0x300)==0x300){
3335 hdrlen = ETH_ALEN * 2;
3337 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3339 apriv->stats.rx_dropped++;
3342 skb_reserve(skb, 2); /* This way the IP header is aligned */
3343 buffer = (u16*)skb_put (skb, len + hdrlen);
3344 if (test_bit(FLAG_802_11, &apriv->flags)) {
3346 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3348 bap_read (apriv, tmpbuf, 6, BAP0);
3350 bap_read (apriv, &gap, sizeof(gap), BAP0);
3351 gap = le16_to_cpu(gap);
3354 bap_read (apriv, tmpbuf, gap, BAP0);
3356 airo_print_err(apriv->dev->name, "gaplen too "
3357 "big. Problems will follow...");
3360 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3363 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3364 if (apriv->micstats.enabled) {
3365 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3366 if (ntohs(micbuf.typelen) > 0x05DC)
3367 bap_setup (apriv, fid, 0x44, BAP0);
3369 if (len <= sizeof(micbuf))
3372 len -= sizeof(micbuf);
3373 skb_trim (skb, len + hdrlen);
3376 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3377 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3379 dev_kfree_skb_irq (skb);
3381 OUT4500( apriv, EVACK, EV_RX);
3386 if (apriv->spy_data.spy_number > 0) {
3388 struct iw_quality wstats;
3389 /* Prepare spy data : addr + qual */
3390 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3391 sa = (char*)buffer + 6;
3392 bap_setup (apriv, fid, 8, BAP0);
3393 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3395 sa = (char*)buffer + 10;
3396 wstats.qual = hdr.rssi[0];
3398 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3400 wstats.level = (hdr.rssi[1] + 321) / 2;
3401 wstats.noise = apriv->wstats.qual.noise;
3402 wstats.updated = IW_QUAL_LEVEL_UPDATED
3403 | IW_QUAL_QUAL_UPDATED
3405 /* Update spy records */
3406 wireless_spy_update(dev, sa, &wstats);
3408 #endif /* WIRELESS_SPY */
3409 OUT4500( apriv, EVACK, EV_RX);
3411 if (test_bit(FLAG_802_11, &apriv->flags)) {
3412 skb_reset_mac_header(skb);
3413 skb->pkt_type = PACKET_OTHERHOST;
3414 skb->dev = apriv->wifidev;
3415 skb->protocol = htons(ETH_P_802_2);
3417 skb->protocol = eth_type_trans(skb,dev);
3418 skb->dev->last_rx = jiffies;
3419 skb->ip_summed = CHECKSUM_NONE;
3425 /* Check to see if a packet has been transmitted */
3426 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3431 if (test_bit(FLAG_MPI,&apriv->flags)) {
3432 unsigned long flags;
3434 if (status & EV_TXEXC)
3435 get_tx_error(apriv, -1);
3436 spin_lock_irqsave(&apriv->aux_lock, flags);
3437 if (!skb_queue_empty(&apriv->txq)) {
3438 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3439 mpi_send_packet (dev);
3441 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3442 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3443 netif_wake_queue (dev);
3445 OUT4500( apriv, EVACK,
3446 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3450 fid = IN4500(apriv, TXCOMPLFID);
3452 for( i = 0; i < MAX_FIDS; i++ ) {
3453 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3454 len = apriv->fids[i] >> 16;
3459 if (status & EV_TXEXC)
3460 get_tx_error(apriv, index);
3461 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3462 /* Set up to be used again */
3463 apriv->fids[index] &= 0xffff;
3464 if (index < MAX_FIDS / 2) {
3465 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3466 netif_wake_queue(dev);
3468 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3469 netif_wake_queue(apriv->wifidev);
3472 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3473 airo_print_err(apriv->dev->name, "Unallocated FID was "
3478 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3479 airo_print_warn(apriv->dev->name, "Got weird status %x",
3480 status & ~STATUS_INTS & ~IGNORE_INTS );
3483 if (savedInterrupts)
3484 OUT4500( apriv, EVINTEN, savedInterrupts );
3487 return IRQ_RETVAL(handled);
3491 * Routines to talk to the card
3495 * This was originally written for the 4500, hence the name
3496 * NOTE: If use with 8bit mode and SMP bad things will happen!
3497 * Why would some one do 8 bit IO in an SMP machine?!?
3499 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3500 if (test_bit(FLAG_MPI,&ai->flags))
3503 outw( val, ai->dev->base_addr + reg );
3505 outb( val & 0xff, ai->dev->base_addr + reg );
3506 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3510 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3513 if (test_bit(FLAG_MPI,&ai->flags))
3516 rc = inw( ai->dev->base_addr + reg );
3518 rc = inb( ai->dev->base_addr + reg );
3519 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3524 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3528 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3529 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3530 * Note : we could try to use !netif_running(dev) in enable_MAC()
3531 * instead of this flag, but I don't trust it *within* the
3532 * open/close functions, and testing both flags together is
3533 * "cheaper" - Jean II */
3534 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3536 if (lock && down_interruptible(&ai->sem))
3537 return -ERESTARTSYS;
3539 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3540 memset(&cmd, 0, sizeof(cmd));
3541 cmd.cmd = MAC_ENABLE;
3542 rc = issuecommand(ai, &cmd, rsp);
3544 set_bit(FLAG_ENABLED, &ai->flags);
3552 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3557 static void disable_MAC( struct airo_info *ai, int lock ) {
3561 if (lock && down_interruptible(&ai->sem))
3564 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3565 memset(&cmd, 0, sizeof(cmd));
3566 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3567 issuecommand(ai, &cmd, &rsp);
3568 clear_bit(FLAG_ENABLED, &ai->flags);
3574 static void enable_interrupts( struct airo_info *ai ) {
3575 /* Enable the interrupts */
3576 OUT4500( ai, EVINTEN, STATUS_INTS );
3579 static void disable_interrupts( struct airo_info *ai ) {
3580 OUT4500( ai, EVINTEN, 0 );
3583 static void mpi_receive_802_3(struct airo_info *ai)
3587 struct sk_buff *skb;
3592 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3593 /* Make sure we got something */
3594 if (rxd.rdy && rxd.valid == 0) {
3596 if (len < 12 || len > 2048)
3599 skb = dev_alloc_skb(len);
3601 ai->stats.rx_dropped++;
3604 buffer = skb_put(skb,len);
3605 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3606 if (ai->micstats.enabled) {
3608 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3610 if (ntohs(micbuf.typelen) <= 0x05DC) {
3611 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3614 off = sizeof(micbuf);
3615 skb_trim (skb, len - off);
3618 memcpy(buffer + ETH_ALEN * 2,
3619 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3620 len - ETH_ALEN * 2 - off);
3621 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3623 dev_kfree_skb_irq (skb);
3627 if (ai->spy_data.spy_number > 0) {
3629 struct iw_quality wstats;
3630 /* Prepare spy data : addr + qual */
3631 sa = buffer + ETH_ALEN;
3632 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3635 /* Update spy records */
3636 wireless_spy_update(ai->dev, sa, &wstats);
3638 #endif /* WIRELESS_SPY */
3640 skb->ip_summed = CHECKSUM_NONE;
3641 skb->protocol = eth_type_trans(skb, ai->dev);
3642 skb->dev->last_rx = jiffies;
3646 if (rxd.valid == 0) {
3650 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3654 void mpi_receive_802_11 (struct airo_info *ai)
3657 struct sk_buff *skb = NULL;
3658 u16 fc, len, hdrlen = 0;
3670 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3672 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3673 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3675 /* Bad CRC. Ignore packet */
3676 if (le16_to_cpu(hdr.status) & 2)
3678 if (ai->wifidev == NULL)
3680 len = le16_to_cpu(hdr.len);
3681 if (len > AIRO_DEF_MTU) {
3682 airo_print_err(ai->dev->name, "Bad size %d", len);
3688 memcpy ((char *)&fc, ptr, sizeof(fc));
3689 fc = le16_to_cpu(fc);
3692 if ((fc & 0xe0) == 0xc0)
3698 if ((fc&0x300)==0x300){
3706 skb = dev_alloc_skb( len + hdrlen + 2 );
3708 ai->stats.rx_dropped++;
3711 buffer = (u16*)skb_put (skb, len + hdrlen);
3712 memcpy ((char *)buffer, ptr, hdrlen);
3716 memcpy ((char *)&gap, ptr, sizeof(gap));
3718 gap = le16_to_cpu(gap);
3723 airo_print_err(ai->dev->name,
3724 "gaplen too big. Problems will follow...");
3726 memcpy ((char *)buffer + hdrlen, ptr, len);
3728 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3729 if (ai->spy_data.spy_number > 0) {
3731 struct iw_quality wstats;
3732 /* Prepare spy data : addr + qual */
3733 sa = (char*)buffer + 10;
3734 wstats.qual = hdr.rssi[0];
3736 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3738 wstats.level = (hdr.rssi[1] + 321) / 2;
3739 wstats.noise = ai->wstats.qual.noise;
3740 wstats.updated = IW_QUAL_QUAL_UPDATED
3741 | IW_QUAL_LEVEL_UPDATED
3743 /* Update spy records */
3744 wireless_spy_update(ai->dev, sa, &wstats);
3746 #endif /* IW_WIRELESS_SPY */
3747 skb_reset_mac_header(skb);
3748 skb->pkt_type = PACKET_OTHERHOST;
3749 skb->dev = ai->wifidev;
3750 skb->protocol = htons(ETH_P_802_2);
3751 skb->dev->last_rx = jiffies;
3752 skb->ip_summed = CHECKSUM_NONE;
3755 if (rxd.valid == 0) {
3759 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3763 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3774 memset( &mySsid, 0, sizeof( mySsid ) );
3778 /* The NOP is the first step in getting the card going */
3780 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3781 if (lock && down_interruptible(&ai->sem))
3783 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3788 disable_MAC( ai, 0);
3790 // Let's figure out if we need to use the AUX port
3791 if (!test_bit(FLAG_MPI,&ai->flags)) {
3792 cmd.cmd = CMD_ENABLEAUX;
3793 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3796 airo_print_err(ai->dev->name, "Error checking for AUX port");
3799 if (!aux_bap || rsp.status & 0xff00) {
3800 ai->bap_read = fast_bap_read;
3801 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3803 ai->bap_read = aux_bap_read;
3804 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3809 if (ai->config.len == 0) {
3810 tdsRssiRid rssi_rid;
3811 CapabilityRid cap_rid;
3817 // general configuration (read/modify/write)
3818 status = readConfigRid(ai, lock);
3819 if ( status != SUCCESS ) return ERROR;
3821 status = readCapabilityRid(ai, &cap_rid, lock);
3822 if ( status != SUCCESS ) return ERROR;
3824 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3825 if ( status == SUCCESS ) {
3826 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3827 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3832 if (cap_rid.softCap & 8)
3833 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3835 airo_print_warn(ai->dev->name, "unknown received signal "
3838 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3839 ai->config.authType = AUTH_OPEN;
3840 ai->config.modulation = MOD_CCK;
3842 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3843 (micsetup(ai) == SUCCESS)) {
3844 ai->config.opmode |= MODE_MIC;
3845 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3848 /* Save off the MAC */
3849 for( i = 0; i < ETH_ALEN; i++ ) {
3850 mac[i] = ai->config.macAddr[i];
3853 /* Check to see if there are any insmod configured
3857 memset(ai->config.rates,0,sizeof(ai->config.rates));
3858 for( i = 0; i < 8 && rates[i]; i++ ) {
3859 ai->config.rates[i] = rates[i];
3862 if ( basic_rate > 0 ) {
3864 for( i = 0; i < 8; i++ ) {
3865 if ( ai->config.rates[i] == basic_rate ||
3866 !ai->config.rates ) {
3867 ai->config.rates[i] = basic_rate | 0x80;
3872 set_bit (FLAG_COMMIT, &ai->flags);
3875 /* Setup the SSIDs if present */
3878 for( i = 0; i < 3 && ssids[i]; i++ ) {
3879 mySsid.ssids[i].len = strlen(ssids[i]);
3880 if ( mySsid.ssids[i].len > 32 )
3881 mySsid.ssids[i].len = 32;
3882 memcpy(mySsid.ssids[i].ssid, ssids[i],
3883 mySsid.ssids[i].len);
3885 mySsid.len = sizeof(mySsid);
3888 status = writeConfigRid(ai, lock);
3889 if ( status != SUCCESS ) return ERROR;
3891 /* Set up the SSID list */
3893 status = writeSsidRid(ai, &mySsid, lock);
3894 if ( status != SUCCESS ) return ERROR;
3897 status = enable_MAC(ai, &rsp, lock);
3898 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3899 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3900 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3904 /* Grab the initial wep key, we gotta save it for auto_wep */
3905 rc = readWepKeyRid(ai, &wkr, 1, lock);
3906 if (rc == SUCCESS) do {
3907 lastindex = wkr.kindex;
3908 if (wkr.kindex == 0xffff) {
3909 ai->defindex = wkr.mac[0];
3911 rc = readWepKeyRid(ai, &wkr, 0, lock);
3912 } while(lastindex != wkr.kindex);
3915 ai->expires = RUN_AT(3*HZ);
3916 wake_up_interruptible(&ai->thr_wait);
3922 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3923 // Im really paranoid about letting it run forever!
3924 int max_tries = 600000;
3926 if (IN4500(ai, EVSTAT) & EV_CMD)
3927 OUT4500(ai, EVACK, EV_CMD);
3929 OUT4500(ai, PARAM0, pCmd->parm0);
3930 OUT4500(ai, PARAM1, pCmd->parm1);
3931 OUT4500(ai, PARAM2, pCmd->parm2);
3932 OUT4500(ai, COMMAND, pCmd->cmd);
3934 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3935 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3936 // PC4500 didn't notice command, try again
3937 OUT4500(ai, COMMAND, pCmd->cmd);
3938 if (!in_atomic() && (max_tries & 255) == 0)
3942 if ( max_tries == -1 ) {
3943 airo_print_err(ai->dev->name,
3944 "Max tries exceeded when issueing command");
3945 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3946 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3950 // command completed
3951 pRsp->status = IN4500(ai, STATUS);
3952 pRsp->rsp0 = IN4500(ai, RESP0);
3953 pRsp->rsp1 = IN4500(ai, RESP1);
3954 pRsp->rsp2 = IN4500(ai, RESP2);
3955 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3956 airo_print_err(ai->dev->name,
3957 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3958 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3961 // clear stuck command busy if necessary
3962 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3965 // acknowledge processing the status/response
3966 OUT4500(ai, EVACK, EV_CMD);
3971 /* Sets up the bap to start exchange data. whichbap should
3972 * be one of the BAP0 or BAP1 defines. Locks should be held before
3974 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3979 OUT4500(ai, SELECT0+whichbap, rid);
3980 OUT4500(ai, OFFSET0+whichbap, offset);
3982 int status = IN4500(ai, OFFSET0+whichbap);
3983 if (status & BAP_BUSY) {
3984 /* This isn't really a timeout, but its kinda
3989 } else if ( status & BAP_ERR ) {
3990 /* invalid rid or offset */
3991 airo_print_err(ai->dev->name, "BAP error %x %d",
3994 } else if (status & BAP_DONE) { // success
3997 if ( !(max_tries--) ) {
3998 airo_print_err(ai->dev->name,
3999 "airo: BAP setup error too many retries\n");
4002 // -- PC4500 missed it, try again
4003 OUT4500(ai, SELECT0+whichbap, rid);
4004 OUT4500(ai, OFFSET0+whichbap, offset);
4009 /* should only be called by aux_bap_read. This aux function and the
4010 following use concepts not documented in the developers guide. I
4011 got them from a patch given to my by Aironet */
4012 static u16 aux_setup(struct airo_info *ai, u16 page,
4013 u16 offset, u16 *len)
4017 OUT4500(ai, AUXPAGE, page);
4018 OUT4500(ai, AUXOFF, 0);
4019 next = IN4500(ai, AUXDATA);
4020 *len = IN4500(ai, AUXDATA)&0xff;
4021 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4025 /* requires call to bap_setup() first */
4026 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4027 int bytelen, int whichbap)
4035 unsigned long flags;
4037 spin_lock_irqsave(&ai->aux_lock, flags);
4038 page = IN4500(ai, SWS0+whichbap);
4039 offset = IN4500(ai, SWS2+whichbap);
4040 next = aux_setup(ai, page, offset, &len);
4041 words = (bytelen+1)>>1;
4043 for (i=0; i<words;) {
4045 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4047 insw( ai->dev->base_addr+DATA0+whichbap,
4050 insb( ai->dev->base_addr+DATA0+whichbap,
4051 pu16Dst+i, count << 1 );
4054 next = aux_setup(ai, next, 4, &len);
4057 spin_unlock_irqrestore(&ai->aux_lock, flags);
4062 /* requires call to bap_setup() first */
4063 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4064 int bytelen, int whichbap)
4066 bytelen = (bytelen + 1) & (~1); // round up to even value
4068 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4070 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4074 /* requires call to bap_setup() first */
4075 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4076 int bytelen, int whichbap)
4078 bytelen = (bytelen + 1) & (~1); // round up to even value
4080 outsw( ai->dev->base_addr+DATA0+whichbap,
4081 pu16Src, bytelen>>1 );
4083 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4087 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4089 Cmd cmd; /* for issuing commands */
4090 Resp rsp; /* response from commands */
4093 memset(&cmd, 0, sizeof(cmd));
4096 status = issuecommand(ai, &cmd, &rsp);
4097 if (status != 0) return status;
4098 if ( (rsp.status & 0x7F00) != 0) {
4099 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4104 /* Note, that we are using BAP1 which is also used by transmit, so
4105 * we must get a lock. */
4106 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4112 if (down_interruptible(&ai->sem))
4115 if (test_bit(FLAG_MPI,&ai->flags)) {
4119 memset(&cmd, 0, sizeof(cmd));
4120 memset(&rsp, 0, sizeof(rsp));
4121 ai->config_desc.rid_desc.valid = 1;
4122 ai->config_desc.rid_desc.len = RIDSIZE;
4123 ai->config_desc.rid_desc.rid = 0;
4124 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4126 cmd.cmd = CMD_ACCESS;
4129 memcpy_toio(ai->config_desc.card_ram_off,
4130 &ai->config_desc.rid_desc, sizeof(Rid));
4132 rc = issuecommand(ai, &cmd, &rsp);
4134 if (rsp.status & 0x7f00)
4137 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4140 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4144 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4148 // read the rid length field
4149 bap_read(ai, pBuf, 2, BAP1);
4150 // length for remaining part of rid
4151 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4154 airo_print_err(ai->dev->name,
4155 "Rid %x has a length of %d which is too short",
4156 (int)rid, (int)len );
4160 // read remainder of the rid
4161 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4169 /* Note, that we are using BAP1 which is also used by transmit, so
4170 * make sure this isnt called when a transmit is happening */
4171 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4172 const void *pBuf, int len, int lock)
4177 *(u16*)pBuf = cpu_to_le16((u16)len);
4180 if (down_interruptible(&ai->sem))
4183 if (test_bit(FLAG_MPI,&ai->flags)) {
4187 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4188 airo_print_err(ai->dev->name,
4189 "%s: MAC should be disabled (rid=%04x)",
4191 memset(&cmd, 0, sizeof(cmd));
4192 memset(&rsp, 0, sizeof(rsp));
4194 ai->config_desc.rid_desc.valid = 1;
4195 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4196 ai->config_desc.rid_desc.rid = 0;
4198 cmd.cmd = CMD_WRITERID;
4201 memcpy_toio(ai->config_desc.card_ram_off,
4202 &ai->config_desc.rid_desc, sizeof(Rid));
4204 if (len < 4 || len > 2047) {
4205 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4208 memcpy((char *)ai->config_desc.virtual_host_addr,
4211 rc = issuecommand(ai, &cmd, &rsp);
4212 if ((rc & 0xff00) != 0) {
4213 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4215 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4216 __FUNCTION__, cmd.cmd);
4219 if ((rsp.status & 0x7f00))
4223 // --- first access so that we can write the rid data
4224 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4228 // --- now write the rid data
4229 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4233 bap_write(ai, pBuf, len, BAP1);
4234 // ---now commit the rid data
4235 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4243 /* Allocates a FID to be used for transmitting packets. We only use
4245 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4247 unsigned int loop = 3000;
4253 cmd.cmd = CMD_ALLOCATETX;
4254 cmd.parm0 = lenPayload;
4255 if (down_interruptible(&ai->sem))
4257 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4261 if ( (rsp.status & 0xFF00) != 0) {
4265 /* wait for the allocate event/indication
4266 * It makes me kind of nervous that this can just sit here and spin,
4267 * but in practice it only loops like four times. */
4268 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4274 // get the allocated fid and acknowledge
4275 txFid = IN4500(ai, TXALLOCFID);
4276 OUT4500(ai, EVACK, EV_ALLOC);
4278 /* The CARD is pretty cool since it converts the ethernet packet
4279 * into 802.11. Also note that we don't release the FID since we
4280 * will be using the same one over and over again. */
4281 /* We only have to setup the control once since we are not
4282 * releasing the fid. */
4284 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4285 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4287 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4288 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4289 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4292 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4300 /* In general BAP1 is dedicated to transmiting packets. However,
4301 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4302 Make sure the BAP1 spinlock is held when this is called. */
4303 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4314 if (len <= ETH_ALEN * 2) {
4315 airo_print_warn(ai->dev->name, "Short packet %d", len);
4318 len -= ETH_ALEN * 2;
4320 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4321 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4322 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4324 miclen = sizeof(pMic);
4326 // packet is destination[6], source[6], payload[len-12]
4327 // write the payload length and dst/src/payload
4328 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4329 /* The hardware addresses aren't counted as part of the payload, so
4330 * we have to subtract the 12 bytes for the addresses off */
4331 payloadLen = cpu_to_le16(len + miclen);
4332 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4333 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4335 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4336 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4337 // issue the transmit command
4338 memset( &cmd, 0, sizeof( cmd ) );
4339 cmd.cmd = CMD_TRANSMIT;
4341 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4342 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4346 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4361 fc = le16_to_cpu(*(const u16*)pPacket);
4364 if ((fc & 0xe0) == 0xc0)
4370 if ((fc&0x300)==0x300){
4379 airo_print_warn(ai->dev->name, "Short packet %d", len);
4383 /* packet is 802.11 header + payload
4384 * write the payload length and dst/src/payload */
4385 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4386 /* The 802.11 header aren't counted as part of the payload, so
4387 * we have to subtract the header bytes off */
4388 payloadLen = cpu_to_le16(len-hdrlen);
4389 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4390 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4391 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4392 bap_write(ai, hdrlen == 30 ?
4393 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4395 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4396 // issue the transmit command
4397 memset( &cmd, 0, sizeof( cmd ) );
4398 cmd.cmd = CMD_TRANSMIT;
4400 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4401 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4406 * This is the proc_fs routines. It is a bit messier than I would
4407 * like! Feel free to clean it up!
4410 static ssize_t proc_read( struct file *file,
4411 char __user *buffer,
4415 static ssize_t proc_write( struct file *file,
4416 const char __user *buffer,
4419 static int proc_close( struct inode *inode, struct file *file );
4421 static int proc_stats_open( struct inode *inode, struct file *file );
4422 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4423 static int proc_status_open( struct inode *inode, struct file *file );
4424 static int proc_SSID_open( struct inode *inode, struct file *file );
4425 static int proc_APList_open( struct inode *inode, struct file *file );
4426 static int proc_BSSList_open( struct inode *inode, struct file *file );
4427 static int proc_config_open( struct inode *inode, struct file *file );
4428 static int proc_wepkey_open( struct inode *inode, struct file *file );
4430 static const struct file_operations proc_statsdelta_ops = {
4432 .open = proc_statsdelta_open,
4433 .release = proc_close
4436 static const struct file_operations proc_stats_ops = {
4438 .open = proc_stats_open,
4439 .release = proc_close
4442 static const struct file_operations proc_status_ops = {
4444 .open = proc_status_open,
4445 .release = proc_close
4448 static const struct file_operations proc_SSID_ops = {
4450 .write = proc_write,
4451 .open = proc_SSID_open,
4452 .release = proc_close
4455 static const struct file_operations proc_BSSList_ops = {
4457 .write = proc_write,
4458 .open = proc_BSSList_open,
4459 .release = proc_close
4462 static const struct file_operations proc_APList_ops = {
4464 .write = proc_write,
4465 .open = proc_APList_open,
4466 .release = proc_close
4469 static const struct file_operations proc_config_ops = {
4471 .write = proc_write,
4472 .open = proc_config_open,
4473 .release = proc_close
4476 static const struct file_operations proc_wepkey_ops = {
4478 .write = proc_write,
4479 .open = proc_wepkey_open,
4480 .release = proc_close
4483 static struct proc_dir_entry *airo_entry;
4492 void (*on_close) (struct inode *, struct file *);
4496 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4499 static int setup_proc_entry( struct net_device *dev,
4500 struct airo_info *apriv ) {
4501 struct proc_dir_entry *entry;
4502 /* First setup the device directory */
4503 strcpy(apriv->proc_name,dev->name);
4504 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4507 if (!apriv->proc_entry)
4509 apriv->proc_entry->uid = proc_uid;
4510 apriv->proc_entry->gid = proc_gid;
4511 apriv->proc_entry->owner = THIS_MODULE;
4513 /* Setup the StatsDelta */
4514 entry = create_proc_entry("StatsDelta",
4515 S_IFREG | (S_IRUGO&proc_perm),
4518 goto fail_stats_delta;
4519 entry->uid = proc_uid;
4520 entry->gid = proc_gid;
4522 entry->owner = THIS_MODULE;
4523 SETPROC_OPS(entry, proc_statsdelta_ops);
4525 /* Setup the Stats */
4526 entry = create_proc_entry("Stats",
4527 S_IFREG | (S_IRUGO&proc_perm),
4531 entry->uid = proc_uid;
4532 entry->gid = proc_gid;
4534 entry->owner = THIS_MODULE;
4535 SETPROC_OPS(entry, proc_stats_ops);
4537 /* Setup the Status */
4538 entry = create_proc_entry("Status",
4539 S_IFREG | (S_IRUGO&proc_perm),
4543 entry->uid = proc_uid;
4544 entry->gid = proc_gid;
4546 entry->owner = THIS_MODULE;
4547 SETPROC_OPS(entry, proc_status_ops);
4549 /* Setup the Config */
4550 entry = create_proc_entry("Config",
4551 S_IFREG | proc_perm,
4555 entry->uid = proc_uid;
4556 entry->gid = proc_gid;
4558 entry->owner = THIS_MODULE;
4559 SETPROC_OPS(entry, proc_config_ops);
4561 /* Setup the SSID */
4562 entry = create_proc_entry("SSID",
4563 S_IFREG | proc_perm,
4567 entry->uid = proc_uid;
4568 entry->gid = proc_gid;
4570 entry->owner = THIS_MODULE;
4571 SETPROC_OPS(entry, proc_SSID_ops);
4573 /* Setup the APList */
4574 entry = create_proc_entry("APList",
4575 S_IFREG | proc_perm,
4579 entry->uid = proc_uid;
4580 entry->gid = proc_gid;
4582 entry->owner = THIS_MODULE;
4583 SETPROC_OPS(entry, proc_APList_ops);
4585 /* Setup the BSSList */
4586 entry = create_proc_entry("BSSList",
4587 S_IFREG | proc_perm,
4591 entry->uid = proc_uid;
4592 entry->gid = proc_gid;
4594 entry->owner = THIS_MODULE;
4595 SETPROC_OPS(entry, proc_BSSList_ops);
4597 /* Setup the WepKey */
4598 entry = create_proc_entry("WepKey",
4599 S_IFREG | proc_perm,
4603 entry->uid = proc_uid;
4604 entry->gid = proc_gid;
4606 entry->owner = THIS_MODULE;
4607 SETPROC_OPS(entry, proc_wepkey_ops);
4612 remove_proc_entry("BSSList", apriv->proc_entry);
4614 remove_proc_entry("APList", apriv->proc_entry);
4616 remove_proc_entry("SSID", apriv->proc_entry);
4618 remove_proc_entry("Config", apriv->proc_entry);
4620 remove_proc_entry("Status", apriv->proc_entry);
4622 remove_proc_entry("Stats", apriv->proc_entry);
4624 remove_proc_entry("StatsDelta", apriv->proc_entry);
4626 remove_proc_entry(apriv->proc_name, airo_entry);
4631 static int takedown_proc_entry( struct net_device *dev,
4632 struct airo_info *apriv ) {
4633 if ( !apriv->proc_entry->namelen ) return 0;
4634 remove_proc_entry("Stats",apriv->proc_entry);
4635 remove_proc_entry("StatsDelta",apriv->proc_entry);
4636 remove_proc_entry("Status",apriv->proc_entry);
4637 remove_proc_entry("Config",apriv->proc_entry);
4638 remove_proc_entry("SSID",apriv->proc_entry);
4639 remove_proc_entry("APList",apriv->proc_entry);
4640 remove_proc_entry("BSSList",apriv->proc_entry);
4641 remove_proc_entry("WepKey",apriv->proc_entry);
4642 remove_proc_entry(apriv->proc_name,airo_entry);
4647 * What we want from the proc_fs is to be able to efficiently read
4648 * and write the configuration. To do this, we want to read the
4649 * configuration when the file is opened and write it when the file is
4650 * closed. So basically we allocate a read buffer at open and fill it
4651 * with data, and allocate a write buffer and read it at close.
4655 * The read routine is generic, it relies on the preallocated rbuffer
4656 * to supply the data.
4658 static ssize_t proc_read( struct file *file,
4659 char __user *buffer,
4663 loff_t pos = *offset;
4664 struct proc_data *priv = (struct proc_data*)file->private_data;
4671 if (pos >= priv->readlen)
4673 if (len > priv->readlen - pos)
4674 len = priv->readlen - pos;
4675 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4677 *offset = pos + len;
4682 * The write routine is generic, it fills in a preallocated rbuffer
4683 * to supply the data.
4685 static ssize_t proc_write( struct file *file,
4686 const char __user *buffer,
4690 loff_t pos = *offset;
4691 struct proc_data *priv = (struct proc_data*)file->private_data;
4698 if (pos >= priv->maxwritelen)
4700 if (len > priv->maxwritelen - pos)
4701 len = priv->maxwritelen - pos;
4702 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4704 if ( pos + len > priv->writelen )
4705 priv->writelen = len + file->f_pos;
4706 *offset = pos + len;
4710 static int proc_status_open( struct inode *inode, struct file *file ) {
4711 struct proc_data *data;
4712 struct proc_dir_entry *dp = PDE(inode);
4713 struct net_device *dev = dp->data;
4714 struct airo_info *apriv = dev->priv;
4715 CapabilityRid cap_rid;
4716 StatusRid status_rid;
4719 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4721 data = (struct proc_data *)file->private_data;
4722 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4723 kfree (file->private_data);
4727 readStatusRid(apriv, &status_rid, 1);
4728 readCapabilityRid(apriv, &cap_rid, 1);
4730 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4731 status_rid.mode & 1 ? "CFG ": "",
4732 status_rid.mode & 2 ? "ACT ": "",
4733 status_rid.mode & 0x10 ? "SYN ": "",
4734 status_rid.mode & 0x20 ? "LNK ": "",
4735 status_rid.mode & 0x40 ? "LEAP ": "",
4736 status_rid.mode & 0x80 ? "PRIV ": "",
4737 status_rid.mode & 0x100 ? "KEY ": "",
4738 status_rid.mode & 0x200 ? "WEP ": "",
4739 status_rid.mode & 0x8000 ? "ERR ": "");
4740 sprintf( data->rbuffer+i, "Mode: %x\n"
4741 "Signal Strength: %d\n"
4742 "Signal Quality: %d\n"
4747 "Driver Version: %s\n"
4748 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4749 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4750 "Software Version: %x\nSoftware Subversion: %x\n"
4751 "Boot block version: %x\n",
4752 (int)status_rid.mode,
4753 (int)status_rid.normalizedSignalStrength,
4754 (int)status_rid.signalQuality,
4755 (int)status_rid.SSIDlen,
4758 (int)status_rid.channel,
4759 (int)status_rid.currentXmitRate/2,
4767 (int)cap_rid.softVer,
4768 (int)cap_rid.softSubVer,
4769 (int)cap_rid.bootBlockVer );
4770 data->readlen = strlen( data->rbuffer );
4774 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4775 static int proc_statsdelta_open( struct inode *inode,
4776 struct file *file ) {
4777 if (file->f_mode&FMODE_WRITE) {
4778 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4780 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4783 static int proc_stats_open( struct inode *inode, struct file *file ) {
4784 return proc_stats_rid_open(inode, file, RID_STATS);
4787 static int proc_stats_rid_open( struct inode *inode,
4790 struct proc_data *data;
4791 struct proc_dir_entry *dp = PDE(inode);
4792 struct net_device *dev = dp->data;
4793 struct airo_info *apriv = dev->priv;
4796 u32 *vals = stats.vals;
4798 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4800 data = (struct proc_data *)file->private_data;
4801 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4802 kfree (file->private_data);
4806 readStatsRid(apriv, &stats, rid, 1);
4809 for(i=0; statsLabels[i]!=(char *)-1 &&
4810 i*4<stats.len; i++){
4811 if (!statsLabels[i]) continue;
4812 if (j+strlen(statsLabels[i])+16>4096) {
4813 airo_print_warn(apriv->dev->name,
4814 "Potentially disasterous buffer overflow averted!");
4817 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4819 if (i*4>=stats.len){
4820 airo_print_warn(apriv->dev->name, "Got a short rid");
4826 static int get_dec_u16( char *buffer, int *start, int limit ) {
4829 for( value = 0; buffer[*start] >= '0' &&
4830 buffer[*start] <= '9' &&
4831 *start < limit; (*start)++ ) {
4834 value += buffer[*start] - '0';
4836 if ( !valid ) return -1;
4840 static int airo_config_commit(struct net_device *dev,
4841 struct iw_request_info *info, void *zwrq,
4844 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4845 struct proc_data *data = file->private_data;
4846 struct proc_dir_entry *dp = PDE(inode);
4847 struct net_device *dev = dp->data;
4848 struct airo_info *ai = dev->priv;
4851 if ( !data->writelen ) return;
4853 readConfigRid(ai, 1);
4854 set_bit (FLAG_COMMIT, &ai->flags);
4856 line = data->wbuffer;
4858 /*** Mode processing */
4859 if ( !strncmp( line, "Mode: ", 6 ) ) {
4861 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4862 set_bit (FLAG_RESET, &ai->flags);
4863 ai->config.rmode &= 0xfe00;
4864 clear_bit (FLAG_802_11, &ai->flags);
4865 ai->config.opmode &= 0xFF00;
4866 ai->config.scanMode = SCANMODE_ACTIVE;
4867 if ( line[0] == 'a' ) {
4868 ai->config.opmode |= 0;
4870 ai->config.opmode |= 1;
4871 if ( line[0] == 'r' ) {
4872 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4873 ai->config.scanMode = SCANMODE_PASSIVE;
4874 set_bit (FLAG_802_11, &ai->flags);
4875 } else if ( line[0] == 'y' ) {
4876 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4877 ai->config.scanMode = SCANMODE_PASSIVE;
4878 set_bit (FLAG_802_11, &ai->flags);
4879 } else if ( line[0] == 'l' )
4880 ai->config.rmode |= RXMODE_LANMON;
4882 set_bit (FLAG_COMMIT, &ai->flags);
4885 /*** Radio status */
4886 else if (!strncmp(line,"Radio: ", 7)) {
4888 if (!strncmp(line,"off",3)) {
4889 set_bit (FLAG_RADIO_OFF, &ai->flags);
4891 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4894 /*** NodeName processing */
4895 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4899 memset( ai->config.nodeName, 0, 16 );
4900 /* Do the name, assume a space between the mode and node name */
4901 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4902 ai->config.nodeName[j] = line[j];
4904 set_bit (FLAG_COMMIT, &ai->flags);
4907 /*** PowerMode processing */
4908 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4910 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4911 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4912 set_bit (FLAG_COMMIT, &ai->flags);
4913 } else if ( !strncmp( line, "PSP", 3 ) ) {
4914 ai->config.powerSaveMode = POWERSAVE_PSP;
4915 set_bit (FLAG_COMMIT, &ai->flags);
4917 ai->config.powerSaveMode = POWERSAVE_CAM;
4918 set_bit (FLAG_COMMIT, &ai->flags);
4920 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4921 int v, i = 0, k = 0; /* i is index into line,
4922 k is index to rates */
4925 while((v = get_dec_u16(line, &i, 3))!=-1) {
4926 ai->config.rates[k++] = (u8)v;
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4934 v = get_dec_u16(line, &i, i+3);
4936 ai->config.channelSet = (u16)v;
4937 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4942 v = get_dec_u16(line, &i, i+3);
4944 ai->config.txPower = (u16)v;
4945 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4951 ai->config.authType = (u16)AUTH_SHAREDKEY;
4954 ai->config.authType = (u16)AUTH_ENCRYPT;
4957 ai->config.authType = (u16)AUTH_OPEN;
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4965 v = get_dec_u16(line, &i, 3);
4966 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4967 ai->config.longRetryLimit = (u16)v;
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4973 v = get_dec_u16(line, &i, 3);
4974 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4975 ai->config.shortRetryLimit = (u16)v;
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4981 v = get_dec_u16(line, &i, 4);
4982 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4983 ai->config.rtsThres = (u16)v;
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4989 v = get_dec_u16(line, &i, 5);
4991 ai->config.txLifetime = (u16)v;
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4997 v = get_dec_u16(line, &i, 5);
4999 ai->config.rxLifetime = (u16)v;
5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5002 ai->config.txDiversity =
5003 (line[13]=='l') ? 1 :
5004 ((line[13]=='r')? 2: 3);
5005 set_bit (FLAG_COMMIT, &ai->flags);
5006 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5007 ai->config.rxDiversity =
5008 (line[13]=='l') ? 1 :
5009 ((line[13]=='r')? 2: 3);
5010 set_bit (FLAG_COMMIT, &ai->flags);
5011 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5015 v = get_dec_u16(line, &i, 4);
5016 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5017 v = v & 0xfffe; /* Make sure its even */
5018 ai->config.fragThresh = (u16)v;
5019 set_bit (FLAG_COMMIT, &ai->flags);
5020 } else if (!strncmp(line, "Modulation: ", 12)) {
5023 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5024 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5025 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5026 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5028 } else if (!strncmp(line, "Preamble: ", 10)) {
5031 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5032 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5033 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5034 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5037 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5039 while( line[0] && line[0] != '\n' ) line++;
5040 if ( line[0] ) line++;
5042 airo_config_commit(dev, NULL, NULL, NULL);
5045 static char *get_rmode(u16 mode) {
5047 case RXMODE_RFMON: return "rfmon";
5048 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5049 case RXMODE_LANMON: return "lanmon";
5054 static int proc_config_open( struct inode *inode, struct file *file ) {
5055 struct proc_data *data;
5056 struct proc_dir_entry *dp = PDE(inode);
5057 struct net_device *dev = dp->data;
5058 struct airo_info *ai = dev->priv;
5061 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5063 data = (struct proc_data *)file->private_data;
5064 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5065 kfree (file->private_data);
5068 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5069 kfree (data->rbuffer);
5070 kfree (file->private_data);
5073 data->maxwritelen = 2048;
5074 data->on_close = proc_config_on_close;
5076 readConfigRid(ai, 1);
5078 i = sprintf( data->rbuffer,
5083 "DataRates: %d %d %d %d %d %d %d %d\n"
5086 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5087 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5088 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5089 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5090 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5091 ai->config.nodeName,
5092 ai->config.powerSaveMode == 0 ? "CAM" :
5093 ai->config.powerSaveMode == 1 ? "PSP" :
5094 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5095 (int)ai->config.rates[0],
5096 (int)ai->config.rates[1],
5097 (int)ai->config.rates[2],
5098 (int)ai->config.rates[3],
5099 (int)ai->config.rates[4],
5100 (int)ai->config.rates[5],
5101 (int)ai->config.rates[6],
5102 (int)ai->config.rates[7],
5103 (int)ai->config.channelSet,
5104 (int)ai->config.txPower
5106 sprintf( data->rbuffer + i,
5107 "LongRetryLimit: %d\n"
5108 "ShortRetryLimit: %d\n"
5109 "RTSThreshold: %d\n"
5110 "TXMSDULifetime: %d\n"
5111 "RXMSDULifetime: %d\n"
5114 "FragThreshold: %d\n"
5118 (int)ai->config.longRetryLimit,
5119 (int)ai->config.shortRetryLimit,
5120 (int)ai->config.rtsThres,
5121 (int)ai->config.txLifetime,
5122 (int)ai->config.rxLifetime,
5123 ai->config.txDiversity == 1 ? "left" :
5124 ai->config.txDiversity == 2 ? "right" : "both",
5125 ai->config.rxDiversity == 1 ? "left" :
5126 ai->config.rxDiversity == 2 ? "right" : "both",
5127 (int)ai->config.fragThresh,
5128 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5129 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5130 ai->config.modulation == 0 ? "default" :
5131 ai->config.modulation == MOD_CCK ? "cck" :
5132 ai->config.modulation == MOD_MOK ? "mok" : "error",
5133 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5134 ai->config.preamble == PREAMBLE_LONG ? "long" :
5135 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5137 data->readlen = strlen( data->rbuffer );
5141 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5142 struct proc_data *data = (struct proc_data *)file->private_data;
5143 struct proc_dir_entry *dp = PDE(inode);
5144 struct net_device *dev = dp->data;
5145 struct airo_info *ai = dev->priv;
5151 if ( !data->writelen ) return;
5153 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5155 for( i = 0; i < 3; i++ ) {
5157 for( j = 0; j+offset < data->writelen && j < 32 &&
5158 data->wbuffer[offset+j] != '\n'; j++ ) {
5159 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5161 if ( j == 0 ) break;
5162 SSID_rid.ssids[i].len = j;
5164 while( data->wbuffer[offset] != '\n' &&
5165 offset < data->writelen ) offset++;
5169 SSID_rid.len = sizeof(SSID_rid);
5171 writeSsidRid(ai, &SSID_rid, 1);
5172 enable_MAC(ai, &rsp, 1);
5175 static inline u8 hexVal(char c) {
5176 if (c>='0' && c<='9') return c -= '0';
5177 if (c>='a' && c<='f') return c -= 'a'-10;
5178 if (c>='A' && c<='F') return c -= 'A'-10;
5182 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5183 struct proc_data *data = (struct proc_data *)file->private_data;
5184 struct proc_dir_entry *dp = PDE(inode);
5185 struct net_device *dev = dp->data;
5186 struct airo_info *ai = dev->priv;
5187 APListRid APList_rid;
5191 if ( !data->writelen ) return;
5193 memset( &APList_rid, 0, sizeof(APList_rid) );
5194 APList_rid.len = sizeof(APList_rid);
5196 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5198 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5201 APList_rid.ap[i][j/3]=
5202 hexVal(data->wbuffer[j+i*6*3])<<4;
5205 APList_rid.ap[i][j/3]|=
5206 hexVal(data->wbuffer[j+i*6*3]);
5212 writeAPListRid(ai, &APList_rid, 1);
5213 enable_MAC(ai, &rsp, 1);
5216 /* This function wraps PC4500_writerid with a MAC disable */
5217 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5218 int len, int dummy ) {
5223 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5224 enable_MAC(ai, &rsp, 1);
5228 /* Returns the length of the key at the index. If index == 0xffff
5229 * the index of the transmit key is returned. If the key doesn't exist,
5230 * -1 will be returned.
5232 static int get_wep_key(struct airo_info *ai, u16 index) {
5237 rc = readWepKeyRid(ai, &wkr, 1, 1);
5238 if (rc == SUCCESS) do {
5239 lastindex = wkr.kindex;
5240 if (wkr.kindex == index) {
5241 if (index == 0xffff) {
5246 readWepKeyRid(ai, &wkr, 0, 1);
5247 } while(lastindex != wkr.kindex);
5251 static int set_wep_key(struct airo_info *ai, u16 index,
5252 const char *key, u16 keylen, int perm, int lock ) {
5253 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5257 memset(&wkr, 0, sizeof(wkr));
5259 // We are selecting which key to use
5260 wkr.len = sizeof(wkr);
5261 wkr.kindex = 0xffff;
5262 wkr.mac[0] = (char)index;
5263 if (perm) ai->defindex = (char)index;
5265 // We are actually setting the key
5266 wkr.len = sizeof(wkr);
5269 memcpy( wkr.key, key, keylen );
5270 memcpy( wkr.mac, macaddr, ETH_ALEN );
5273 if (perm) disable_MAC(ai, lock);
5274 writeWepKeyRid(ai, &wkr, perm, lock);
5275 if (perm) enable_MAC(ai, &rsp, lock);
5279 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5280 struct proc_data *data;
5281 struct proc_dir_entry *dp = PDE(inode);
5282 struct net_device *dev = dp->data;
5283 struct airo_info *ai = dev->priv;
5289 memset(key, 0, sizeof(key));
5291 data = (struct proc_data *)file->private_data;
5292 if ( !data->writelen ) return;
5294 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5295 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5296 index = data->wbuffer[0] - '0';
5297 if (data->wbuffer[1] == '\n') {
5298 set_wep_key(ai, index, NULL, 0, 1, 1);
5303 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5307 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5310 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5313 key[i/3] |= hexVal(data->wbuffer[i+j]);
5317 set_wep_key(ai, index, key, i/3, 1, 1);
5320 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5321 struct proc_data *data;
5322 struct proc_dir_entry *dp = PDE(inode);
5323 struct net_device *dev = dp->data;
5324 struct airo_info *ai = dev->priv;
5331 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5333 memset(&wkr, 0, sizeof(wkr));
5334 data = (struct proc_data *)file->private_data;
5335 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5336 kfree (file->private_data);
5340 data->maxwritelen = 80;
5341 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5342 kfree (data->rbuffer);
5343 kfree (file->private_data);
5346 data->on_close = proc_wepkey_on_close;
5348 ptr = data->rbuffer;
5349 strcpy(ptr, "No wep keys\n");
5350 rc = readWepKeyRid(ai, &wkr, 1, 1);
5351 if (rc == SUCCESS) do {
5352 lastindex = wkr.kindex;
5353 if (wkr.kindex == 0xffff) {
5354 j += sprintf(ptr+j, "Tx key = %d\n",
5357 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5358 (int)wkr.kindex, (int)wkr.klen);
5360 readWepKeyRid(ai, &wkr, 0, 1);
5361 } while((lastindex != wkr.kindex) && (j < 180-30));
5363 data->readlen = strlen( data->rbuffer );
5367 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5368 struct proc_data *data;
5369 struct proc_dir_entry *dp = PDE(inode);
5370 struct net_device *dev = dp->data;
5371 struct airo_info *ai = dev->priv;
5376 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5378 data = (struct proc_data *)file->private_data;
5379 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5380 kfree (file->private_data);
5384 data->maxwritelen = 33*3;
5385 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5386 kfree (data->rbuffer);
5387 kfree (file->private_data);
5390 data->on_close = proc_SSID_on_close;
5392 readSsidRid(ai, &SSID_rid);
5393 ptr = data->rbuffer;
5394 for( i = 0; i < 3; i++ ) {
5396 if ( !SSID_rid.ssids[i].len ) break;
5397 for( j = 0; j < 32 &&
5398 j < SSID_rid.ssids[i].len &&
5399 SSID_rid.ssids[i].ssid[j]; j++ ) {
5400 *ptr++ = SSID_rid.ssids[i].ssid[j];
5405 data->readlen = strlen( data->rbuffer );
5409 static int proc_APList_open( struct inode *inode, struct file *file ) {
5410 struct proc_data *data;
5411 struct proc_dir_entry *dp = PDE(inode);
5412 struct net_device *dev = dp->data;
5413 struct airo_info *ai = dev->priv;
5416 APListRid APList_rid;
5418 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5420 data = (struct proc_data *)file->private_data;
5421 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5422 kfree (file->private_data);
5426 data->maxwritelen = 4*6*3;
5427 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5428 kfree (data->rbuffer);
5429 kfree (file->private_data);
5432 data->on_close = proc_APList_on_close;
5434 readAPListRid(ai, &APList_rid);
5435 ptr = data->rbuffer;
5436 for( i = 0; i < 4; i++ ) {
5437 // We end when we find a zero MAC
5438 if ( !*(int*)APList_rid.ap[i] &&
5439 !*(int*)&APList_rid.ap[i][2]) break;
5440 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5441 (int)APList_rid.ap[i][0],
5442 (int)APList_rid.ap[i][1],
5443 (int)APList_rid.ap[i][2],
5444 (int)APList_rid.ap[i][3],
5445 (int)APList_rid.ap[i][4],
5446 (int)APList_rid.ap[i][5]);
5448 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5451 data->readlen = strlen( data->rbuffer );
5455 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5456 struct proc_data *data;
5457 struct proc_dir_entry *dp = PDE(inode);
5458 struct net_device *dev = dp->data;
5459 struct airo_info *ai = dev->priv;
5461 BSSListRid BSSList_rid;
5463 /* If doLoseSync is not 1, we won't do a Lose Sync */
5464 int doLoseSync = -1;
5466 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5468 data = (struct proc_data *)file->private_data;
5469 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5470 kfree (file->private_data);
5474 data->maxwritelen = 0;
5475 data->wbuffer = NULL;
5476 data->on_close = NULL;
5478 if (file->f_mode & FMODE_WRITE) {
5479 if (!(file->f_mode & FMODE_READ)) {
5483 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5484 memset(&cmd, 0, sizeof(cmd));
5485 cmd.cmd=CMD_LISTBSS;
5486 if (down_interruptible(&ai->sem))
5487 return -ERESTARTSYS;
5488 issuecommand(ai, &cmd, &rsp);
5495 ptr = data->rbuffer;
5496 /* There is a race condition here if there are concurrent opens.
5497 Since it is a rare condition, we'll just live with it, otherwise
5498 we have to add a spin lock... */
5499 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5500 while(rc == 0 && BSSList_rid.index != 0xffff) {
5501 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5502 (int)BSSList_rid.bssid[0],
5503 (int)BSSList_rid.bssid[1],
5504 (int)BSSList_rid.bssid[2],
5505 (int)BSSList_rid.bssid[3],
5506 (int)BSSList_rid.bssid[4],
5507 (int)BSSList_rid.bssid[5],
5508 (int)BSSList_rid.ssidLen,
5510 (int)BSSList_rid.dBm);
5511 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5512 (int)BSSList_rid.dsChannel,
5513 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5514 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5515 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5516 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5517 rc = readBSSListRid(ai, 0, &BSSList_rid);
5520 data->readlen = strlen( data->rbuffer );
5524 static int proc_close( struct inode *inode, struct file *file )
5526 struct proc_data *data = file->private_data;
5528 if (data->on_close != NULL)
5529 data->on_close(inode, file);
5530 kfree(data->rbuffer);
5531 kfree(data->wbuffer);
5536 static struct net_device_list {
5537 struct net_device *dev;
5538 struct net_device_list *next;
5541 /* Since the card doesn't automatically switch to the right WEP mode,
5542 we will make it do it. If the card isn't associated, every secs we
5543 will switch WEP modes to see if that will help. If the card is
5544 associated we will check every minute to see if anything has
5546 static void timer_func( struct net_device *dev ) {
5547 struct airo_info *apriv = dev->priv;
5550 /* We don't have a link so try changing the authtype */
5551 readConfigRid(apriv, 0);
5552 disable_MAC(apriv, 0);
5553 switch(apriv->config.authType) {
5555 /* So drop to OPEN */
5556 apriv->config.authType = AUTH_OPEN;
5558 case AUTH_SHAREDKEY:
5559 if (apriv->keyindex < auto_wep) {
5560 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5561 apriv->config.authType = AUTH_SHAREDKEY;
5564 /* Drop to ENCRYPT */
5565 apriv->keyindex = 0;
5566 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5567 apriv->config.authType = AUTH_ENCRYPT;
5570 default: /* We'll escalate to SHAREDKEY */
5571 apriv->config.authType = AUTH_SHAREDKEY;
5573 set_bit (FLAG_COMMIT, &apriv->flags);
5574 writeConfigRid(apriv, 0);
5575 enable_MAC(apriv, &rsp, 0);
5578 /* Schedule check to see if the change worked */
5579 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5580 apriv->expires = RUN_AT(HZ*3);
5583 static int add_airo_dev( struct net_device *dev ) {
5584 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5589 node->next = airo_devices;
5590 airo_devices = node;
5595 static void del_airo_dev( struct net_device *dev ) {
5596 struct net_device_list **p = &airo_devices;
5597 while( *p && ( (*p)->dev != dev ) )
5599 if ( *p && (*p)->dev == dev )
5604 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5605 const struct pci_device_id *pent)
5607 struct net_device *dev;
5609 if (pci_enable_device(pdev))
5611 pci_set_master(pdev);
5613 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5614 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5616 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5620 pci_set_drvdata(pdev, dev);
5624 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5628 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5630 struct net_device *dev = pci_get_drvdata(pdev);
5631 struct airo_info *ai = dev->priv;
5635 if ((ai->APList == NULL) &&
5636 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5638 if ((ai->SSID == NULL) &&
5639 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5641 readAPListRid(ai, ai->APList);
5642 readSsidRid(ai, ai->SSID);
5643 memset(&cmd, 0, sizeof(cmd));
5644 /* the lock will be released at the end of the resume callback */
5645 if (down_interruptible(&ai->sem))
5648 netif_device_detach(dev);
5651 issuecommand(ai, &cmd, &rsp);
5653 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5654 pci_save_state(pdev);
5655 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5658 static int airo_pci_resume(struct pci_dev *pdev)
5660 struct net_device *dev = pci_get_drvdata(pdev);
5661 struct airo_info *ai = dev->priv;
5663 pci_power_t prev_state = pdev->current_state;
5665 pci_set_power_state(pdev, PCI_D0);
5666 pci_restore_state(pdev);
5667 pci_enable_wake(pdev, PCI_D0, 0);
5669 if (prev_state != PCI_D1) {
5671 mpi_init_descriptors(ai);
5672 setup_card(ai, dev->dev_addr, 0);
5673 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5674 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5676 OUT4500(ai, EVACK, EV_AWAKEN);
5677 OUT4500(ai, EVACK, EV_AWAKEN);
5681 set_bit (FLAG_COMMIT, &ai->flags);
5685 writeSsidRid(ai, ai->SSID, 0);
5690 writeAPListRid(ai, ai->APList, 0);
5694 writeConfigRid(ai, 0);
5695 enable_MAC(ai, &rsp, 0);
5696 ai->power = PMSG_ON;
5697 netif_device_attach(dev);
5698 netif_wake_queue(dev);
5699 enable_interrupts(ai);
5705 static int __init airo_init_module( void )
5709 int have_isa_dev = 0;
5712 airo_entry = create_proc_entry("aironet",
5713 S_IFDIR | airo_perm,
5717 airo_entry->uid = proc_uid;
5718 airo_entry->gid = proc_gid;
5721 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5722 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5723 "io=0x%x", irq[i], io[i] );
5724 if (init_airo_card( irq[i], io[i], 0, NULL ))
5733 airo_print_info("", "Probing for PCI adapters");
5734 i = pci_register_driver(&airo_driver);
5735 airo_print_info("", "Finished probing for PCI adapters");
5738 remove_proc_entry("aironet", proc_root_driver);
5743 /* Always exit with success, as we are a library module
5744 * as well as a driver module
5749 static void __exit airo_cleanup_module( void )
5751 while( airo_devices ) {
5752 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5753 stop_airo_card( airo_devices->dev, 1 );
5756 pci_unregister_driver(&airo_driver);
5758 remove_proc_entry("aironet", proc_root_driver);
5762 * Initial Wireless Extension code for Aironet driver by :
5763 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5764 * Conversion to new driver API by :
5765 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5766 * Javier also did a good amount of work here, adding some new extensions
5767 * and fixing my code. Let's just say that without him this code just
5768 * would not work at all... - Jean II
5771 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5776 return (0x100 - rssi_rid[rssi].rssidBm);
5779 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5786 for( i = 0; i < 256; i++ )
5787 if (rssi_rid[i].rssidBm == dbm)
5788 return rssi_rid[i].rssipct;
5794 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5798 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5799 if (memcmp(cap_rid->prodName, "350", 3))
5800 if (status_rid->signalQuality > 0x20)
5803 quality = 0x20 - status_rid->signalQuality;
5805 if (status_rid->signalQuality > 0xb0)
5807 else if (status_rid->signalQuality < 0x10)
5810 quality = 0xb0 - status_rid->signalQuality;
5815 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5816 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5818 /*------------------------------------------------------------------*/
5820 * Wireless Handler : get protocol name
5822 static int airo_get_name(struct net_device *dev,
5823 struct iw_request_info *info,
5827 strcpy(cwrq, "IEEE 802.11-DS");
5831 /*------------------------------------------------------------------*/
5833 * Wireless Handler : set frequency
5835 static int airo_set_freq(struct net_device *dev,
5836 struct iw_request_info *info,
5837 struct iw_freq *fwrq,
5840 struct airo_info *local = dev->priv;
5841 int rc = -EINPROGRESS; /* Call commit handler */
5843 /* If setting by frequency, convert to a channel */
5844 if((fwrq->e == 1) &&
5845 (fwrq->m >= (int) 2.412e8) &&
5846 (fwrq->m <= (int) 2.487e8)) {
5847 int f = fwrq->m / 100000;
5849 while((c < 14) && (f != frequency_list[c]))
5851 /* Hack to fall through... */
5855 /* Setting by channel number */
5856 if((fwrq->m > 1000) || (fwrq->e > 0))
5859 int channel = fwrq->m;
5860 /* We should do a better check than that,
5861 * based on the card capability !!! */
5862 if((channel < 1) || (channel > 14)) {
5863 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5867 readConfigRid(local, 1);
5868 /* Yes ! We can set it !!! */
5869 local->config.channelSet = (u16) channel;
5870 set_bit (FLAG_COMMIT, &local->flags);
5876 /*------------------------------------------------------------------*/
5878 * Wireless Handler : get frequency
5880 static int airo_get_freq(struct net_device *dev,
5881 struct iw_request_info *info,
5882 struct iw_freq *fwrq,
5885 struct airo_info *local = dev->priv;
5886 StatusRid status_rid; /* Card status info */
5889 readConfigRid(local, 1);
5890 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5891 status_rid.channel = local->config.channelSet;
5893 readStatusRid(local, &status_rid, 1);
5895 ch = (int)status_rid.channel;
5896 if((ch > 0) && (ch < 15)) {
5897 fwrq->m = frequency_list[ch - 1] * 100000;
5907 /*------------------------------------------------------------------*/
5909 * Wireless Handler : set ESSID
5911 static int airo_set_essid(struct net_device *dev,
5912 struct iw_request_info *info,
5913 struct iw_point *dwrq,
5916 struct airo_info *local = dev->priv;
5918 SsidRid SSID_rid; /* SSIDs */
5920 /* Reload the list of current SSID */
5921 readSsidRid(local, &SSID_rid);
5923 /* Check if we asked for `any' */
5924 if(dwrq->flags == 0) {
5925 /* Just send an empty SSID list */
5926 memset(&SSID_rid, 0, sizeof(SSID_rid));
5928 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5930 /* Check the size of the string */
5931 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5934 /* Check if index is valid */
5935 if((index < 0) || (index >= 4)) {
5940 memset(SSID_rid.ssids[index].ssid, 0,
5941 sizeof(SSID_rid.ssids[index].ssid));
5942 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5943 SSID_rid.ssids[index].len = dwrq->length;
5945 SSID_rid.len = sizeof(SSID_rid);
5946 /* Write it to the card */
5947 disable_MAC(local, 1);
5948 writeSsidRid(local, &SSID_rid, 1);
5949 enable_MAC(local, &rsp, 1);
5954 /*------------------------------------------------------------------*/
5956 * Wireless Handler : get ESSID
5958 static int airo_get_essid(struct net_device *dev,
5959 struct iw_request_info *info,
5960 struct iw_point *dwrq,
5963 struct airo_info *local = dev->priv;
5964 StatusRid status_rid; /* Card status info */
5966 readStatusRid(local, &status_rid, 1);
5968 /* Note : if dwrq->flags != 0, we should
5969 * get the relevant SSID from the SSID list... */
5971 /* Get the current SSID */
5972 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5973 /* If none, we may want to get the one that was set */
5976 dwrq->length = status_rid.SSIDlen;
5977 dwrq->flags = 1; /* active */
5982 /*------------------------------------------------------------------*/
5984 * Wireless Handler : set AP address
5986 static int airo_set_wap(struct net_device *dev,
5987 struct iw_request_info *info,
5988 struct sockaddr *awrq,
5991 struct airo_info *local = dev->priv;
5994 APListRid APList_rid;
5995 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5996 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5998 if (awrq->sa_family != ARPHRD_ETHER)
6000 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6001 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6002 memset(&cmd, 0, sizeof(cmd));
6003 cmd.cmd=CMD_LOSE_SYNC;
6004 if (down_interruptible(&local->sem))
6005 return -ERESTARTSYS;
6006 issuecommand(local, &cmd, &rsp);
6009 memset(&APList_rid, 0, sizeof(APList_rid));
6010 APList_rid.len = sizeof(APList_rid);
6011 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6012 disable_MAC(local, 1);
6013 writeAPListRid(local, &APList_rid, 1);
6014 enable_MAC(local, &rsp, 1);
6019 /*------------------------------------------------------------------*/
6021 * Wireless Handler : get AP address
6023 static int airo_get_wap(struct net_device *dev,
6024 struct iw_request_info *info,
6025 struct sockaddr *awrq,
6028 struct airo_info *local = dev->priv;
6029 StatusRid status_rid; /* Card status info */
6031 readStatusRid(local, &status_rid, 1);
6033 /* Tentative. This seems to work, wow, I'm lucky !!! */
6034 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6035 awrq->sa_family = ARPHRD_ETHER;
6040 /*------------------------------------------------------------------*/
6042 * Wireless Handler : set Nickname
6044 static int airo_set_nick(struct net_device *dev,
6045 struct iw_request_info *info,
6046 struct iw_point *dwrq,
6049 struct airo_info *local = dev->priv;
6051 /* Check the size of the string */
6052 if(dwrq->length > 16) {
6055 readConfigRid(local, 1);
6056 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6057 memcpy(local->config.nodeName, extra, dwrq->length);
6058 set_bit (FLAG_COMMIT, &local->flags);
6060 return -EINPROGRESS; /* Call commit handler */
6063 /*------------------------------------------------------------------*/
6065 * Wireless Handler : get Nickname
6067 static int airo_get_nick(struct net_device *dev,
6068 struct iw_request_info *info,
6069 struct iw_point *dwrq,
6072 struct airo_info *local = dev->priv;
6074 readConfigRid(local, 1);
6075 strncpy(extra, local->config.nodeName, 16);
6077 dwrq->length = strlen(extra);
6082 /*------------------------------------------------------------------*/
6084 * Wireless Handler : set Bit-Rate
6086 static int airo_set_rate(struct net_device *dev,
6087 struct iw_request_info *info,
6088 struct iw_param *vwrq,
6091 struct airo_info *local = dev->priv;
6092 CapabilityRid cap_rid; /* Card capability info */
6096 /* First : get a valid bit rate value */
6097 readCapabilityRid(local, &cap_rid, 1);
6099 /* Which type of value ? */
6100 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6101 /* Setting by rate index */
6102 /* Find value in the magic rate table */
6103 brate = cap_rid.supportedRates[vwrq->value];
6105 /* Setting by frequency value */
6106 u8 normvalue = (u8) (vwrq->value/500000);
6108 /* Check if rate is valid */
6109 for(i = 0 ; i < 8 ; i++) {
6110 if(normvalue == cap_rid.supportedRates[i]) {
6116 /* -1 designed the max rate (mostly auto mode) */
6117 if(vwrq->value == -1) {
6118 /* Get the highest available rate */
6119 for(i = 0 ; i < 8 ; i++) {
6120 if(cap_rid.supportedRates[i] == 0)
6124 brate = cap_rid.supportedRates[i - 1];
6126 /* Check that it is valid */
6131 readConfigRid(local, 1);
6132 /* Now, check if we want a fixed or auto value */
6133 if(vwrq->fixed == 0) {
6134 /* Fill all the rates up to this max rate */
6135 memset(local->config.rates, 0, 8);
6136 for(i = 0 ; i < 8 ; i++) {
6137 local->config.rates[i] = cap_rid.supportedRates[i];
6138 if(local->config.rates[i] == brate)
6143 /* One rate, fixed */
6144 memset(local->config.rates, 0, 8);
6145 local->config.rates[0] = brate;
6147 set_bit (FLAG_COMMIT, &local->flags);
6149 return -EINPROGRESS; /* Call commit handler */
6152 /*------------------------------------------------------------------*/
6154 * Wireless Handler : get Bit-Rate
6156 static int airo_get_rate(struct net_device *dev,
6157 struct iw_request_info *info,
6158 struct iw_param *vwrq,
6161 struct airo_info *local = dev->priv;
6162 StatusRid status_rid; /* Card status info */
6164 readStatusRid(local, &status_rid, 1);
6166 vwrq->value = status_rid.currentXmitRate * 500000;
6167 /* If more than one rate, set auto */
6168 readConfigRid(local, 1);
6169 vwrq->fixed = (local->config.rates[1] == 0);
6174 /*------------------------------------------------------------------*/
6176 * Wireless Handler : set RTS threshold
6178 static int airo_set_rts(struct net_device *dev,
6179 struct iw_request_info *info,
6180 struct iw_param *vwrq,
6183 struct airo_info *local = dev->priv;
6184 int rthr = vwrq->value;
6187 rthr = AIRO_DEF_MTU;
6188 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6191 readConfigRid(local, 1);
6192 local->config.rtsThres = rthr;
6193 set_bit (FLAG_COMMIT, &local->flags);
6195 return -EINPROGRESS; /* Call commit handler */
6198 /*------------------------------------------------------------------*/
6200 * Wireless Handler : get RTS threshold
6202 static int airo_get_rts(struct net_device *dev,
6203 struct iw_request_info *info,
6204 struct iw_param *vwrq,
6207 struct airo_info *local = dev->priv;
6209 readConfigRid(local, 1);
6210 vwrq->value = local->config.rtsThres;
6211 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6217 /*------------------------------------------------------------------*/
6219 * Wireless Handler : set Fragmentation threshold
6221 static int airo_set_frag(struct net_device *dev,
6222 struct iw_request_info *info,
6223 struct iw_param *vwrq,
6226 struct airo_info *local = dev->priv;
6227 int fthr = vwrq->value;
6230 fthr = AIRO_DEF_MTU;
6231 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6234 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6235 readConfigRid(local, 1);
6236 local->config.fragThresh = (u16)fthr;
6237 set_bit (FLAG_COMMIT, &local->flags);
6239 return -EINPROGRESS; /* Call commit handler */
6242 /*------------------------------------------------------------------*/
6244 * Wireless Handler : get Fragmentation threshold
6246 static int airo_get_frag(struct net_device *dev,
6247 struct iw_request_info *info,
6248 struct iw_param *vwrq,
6251 struct airo_info *local = dev->priv;
6253 readConfigRid(local, 1);
6254 vwrq->value = local->config.fragThresh;
6255 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6261 /*------------------------------------------------------------------*/
6263 * Wireless Handler : set Mode of Operation
6265 static int airo_set_mode(struct net_device *dev,
6266 struct iw_request_info *info,
6270 struct airo_info *local = dev->priv;
6273 readConfigRid(local, 1);
6274 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6279 local->config.opmode &= 0xFF00;
6280 local->config.opmode |= MODE_STA_IBSS;
6281 local->config.rmode &= 0xfe00;
6282 local->config.scanMode = SCANMODE_ACTIVE;
6283 clear_bit (FLAG_802_11, &local->flags);
6286 local->config.opmode &= 0xFF00;
6287 local->config.opmode |= MODE_STA_ESS;
6288 local->config.rmode &= 0xfe00;
6289 local->config.scanMode = SCANMODE_ACTIVE;
6290 clear_bit (FLAG_802_11, &local->flags);
6292 case IW_MODE_MASTER:
6293 local->config.opmode &= 0xFF00;
6294 local->config.opmode |= MODE_AP;
6295 local->config.rmode &= 0xfe00;
6296 local->config.scanMode = SCANMODE_ACTIVE;
6297 clear_bit (FLAG_802_11, &local->flags);
6299 case IW_MODE_REPEAT:
6300 local->config.opmode &= 0xFF00;
6301 local->config.opmode |= MODE_AP_RPTR;
6302 local->config.rmode &= 0xfe00;
6303 local->config.scanMode = SCANMODE_ACTIVE;
6304 clear_bit (FLAG_802_11, &local->flags);
6306 case IW_MODE_MONITOR:
6307 local->config.opmode &= 0xFF00;
6308 local->config.opmode |= MODE_STA_ESS;
6309 local->config.rmode &= 0xfe00;
6310 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6311 local->config.scanMode = SCANMODE_PASSIVE;
6312 set_bit (FLAG_802_11, &local->flags);
6318 set_bit (FLAG_RESET, &local->flags);
6319 set_bit (FLAG_COMMIT, &local->flags);
6321 return -EINPROGRESS; /* Call commit handler */
6324 /*------------------------------------------------------------------*/
6326 * Wireless Handler : get Mode of Operation
6328 static int airo_get_mode(struct net_device *dev,
6329 struct iw_request_info *info,
6333 struct airo_info *local = dev->priv;
6335 readConfigRid(local, 1);
6336 /* If not managed, assume it's ad-hoc */
6337 switch (local->config.opmode & 0xFF) {
6339 *uwrq = IW_MODE_INFRA;
6342 *uwrq = IW_MODE_MASTER;
6345 *uwrq = IW_MODE_REPEAT;
6348 *uwrq = IW_MODE_ADHOC;
6354 /*------------------------------------------------------------------*/
6356 * Wireless Handler : set Encryption Key
6358 static int airo_set_encode(struct net_device *dev,
6359 struct iw_request_info *info,
6360 struct iw_point *dwrq,
6363 struct airo_info *local = dev->priv;
6364 CapabilityRid cap_rid; /* Card capability info */
6365 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6366 u16 currentAuthType = local->config.authType;
6368 /* Is WEP supported ? */
6369 readCapabilityRid(local, &cap_rid, 1);
6370 /* Older firmware doesn't support this...
6371 if(!(cap_rid.softCap & 2)) {
6374 readConfigRid(local, 1);
6376 /* Basic checking: do we have a key to set ?
6377 * Note : with the new API, it's impossible to get a NULL pointer.
6378 * Therefore, we need to check a key size == 0 instead.
6379 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6380 * when no key is present (only change flags), but older versions
6381 * don't do it. - Jean II */
6382 if (dwrq->length > 0) {
6384 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6385 int current_index = get_wep_key(local, 0xffff);
6386 /* Check the size of the key */
6387 if (dwrq->length > MAX_KEY_SIZE) {
6390 /* Check the index (none -> use current) */
6391 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6392 index = current_index;
6393 /* Set the length */
6394 if (dwrq->length > MIN_KEY_SIZE)
6395 key.len = MAX_KEY_SIZE;
6397 if (dwrq->length > 0)
6398 key.len = MIN_KEY_SIZE;
6400 /* Disable the key */
6402 /* Check if the key is not marked as invalid */
6403 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6405 memset(key.key, 0, MAX_KEY_SIZE);
6406 /* Copy the key in the driver */
6407 memcpy(key.key, extra, dwrq->length);
6408 /* Send the key to the card */
6409 set_wep_key(local, index, key.key, key.len, perm, 1);
6411 /* WE specify that if a valid key is set, encryption
6412 * should be enabled (user may turn it off later)
6413 * This is also how "iwconfig ethX key on" works */
6414 if((index == current_index) && (key.len > 0) &&
6415 (local->config.authType == AUTH_OPEN)) {
6416 local->config.authType = AUTH_ENCRYPT;
6419 /* Do we want to just set the transmit key index ? */
6420 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6421 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6422 set_wep_key(local, index, NULL, 0, perm, 1);
6424 /* Don't complain if only change the mode */
6425 if(!dwrq->flags & IW_ENCODE_MODE) {
6429 /* Read the flags */
6430 if(dwrq->flags & IW_ENCODE_DISABLED)
6431 local->config.authType = AUTH_OPEN; // disable encryption
6432 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6433 local->config.authType = AUTH_SHAREDKEY; // Only Both
6434 if(dwrq->flags & IW_ENCODE_OPEN)
6435 local->config.authType = AUTH_ENCRYPT; // Only Wep
6436 /* Commit the changes to flags if needed */
6437 if (local->config.authType != currentAuthType)
6438 set_bit (FLAG_COMMIT, &local->flags);
6439 return -EINPROGRESS; /* Call commit handler */
6442 /*------------------------------------------------------------------*/
6444 * Wireless Handler : get Encryption Key
6446 static int airo_get_encode(struct net_device *dev,
6447 struct iw_request_info *info,
6448 struct iw_point *dwrq,
6451 struct airo_info *local = dev->priv;
6452 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6453 CapabilityRid cap_rid; /* Card capability info */
6455 /* Is it supported ? */
6456 readCapabilityRid(local, &cap_rid, 1);
6457 if(!(cap_rid.softCap & 2)) {
6460 readConfigRid(local, 1);
6461 /* Check encryption mode */
6462 switch(local->config.authType) {
6464 dwrq->flags = IW_ENCODE_OPEN;
6466 case AUTH_SHAREDKEY:
6467 dwrq->flags = IW_ENCODE_RESTRICTED;
6471 dwrq->flags = IW_ENCODE_DISABLED;
6474 /* We can't return the key, so set the proper flag and return zero */
6475 dwrq->flags |= IW_ENCODE_NOKEY;
6476 memset(extra, 0, 16);
6478 /* Which key do we want ? -1 -> tx index */
6479 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6480 index = get_wep_key(local, 0xffff);
6481 dwrq->flags |= index + 1;
6482 /* Copy the key to the user buffer */
6483 dwrq->length = get_wep_key(local, index);
6484 if (dwrq->length > 16) {
6490 /*------------------------------------------------------------------*/
6492 * Wireless Handler : set extended Encryption parameters
6494 static int airo_set_encodeext(struct net_device *dev,
6495 struct iw_request_info *info,
6496 union iwreq_data *wrqu,
6499 struct airo_info *local = dev->priv;
6500 struct iw_point *encoding = &wrqu->encoding;
6501 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6502 CapabilityRid cap_rid; /* Card capability info */
6503 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6504 u16 currentAuthType = local->config.authType;
6505 int idx, key_len, alg = ext->alg, set_key = 1;
6508 /* Is WEP supported ? */
6509 readCapabilityRid(local, &cap_rid, 1);
6510 /* Older firmware doesn't support this...
6511 if(!(cap_rid.softCap & 2)) {
6514 readConfigRid(local, 1);
6516 /* Determine and validate the key index */
6517 idx = encoding->flags & IW_ENCODE_INDEX;
6519 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6523 idx = get_wep_key(local, 0xffff);
6525 if (encoding->flags & IW_ENCODE_DISABLED)
6526 alg = IW_ENCODE_ALG_NONE;
6528 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6529 /* Only set transmit key index here, actual
6530 * key is set below if needed.
6532 set_wep_key(local, idx, NULL, 0, perm, 1);
6533 set_key = ext->key_len > 0 ? 1 : 0;
6537 /* Set the requested key first */
6538 memset(key.key, 0, MAX_KEY_SIZE);
6540 case IW_ENCODE_ALG_NONE:
6543 case IW_ENCODE_ALG_WEP:
6544 if (ext->key_len > MIN_KEY_SIZE) {
6545 key.len = MAX_KEY_SIZE;
6546 } else if (ext->key_len > 0) {
6547 key.len = MIN_KEY_SIZE;
6551 key_len = min (ext->key_len, key.len);
6552 memcpy(key.key, ext->key, key_len);
6557 /* Send the key to the card */
6558 set_wep_key(local, idx, key.key, key.len, perm, 1);
6561 /* Read the flags */
6562 if(encoding->flags & IW_ENCODE_DISABLED)
6563 local->config.authType = AUTH_OPEN; // disable encryption
6564 if(encoding->flags & IW_ENCODE_RESTRICTED)
6565 local->config.authType = AUTH_SHAREDKEY; // Only Both
6566 if(encoding->flags & IW_ENCODE_OPEN)
6567 local->config.authType = AUTH_ENCRYPT; // Only Wep
6568 /* Commit the changes to flags if needed */
6569 if (local->config.authType != currentAuthType)
6570 set_bit (FLAG_COMMIT, &local->flags);
6572 return -EINPROGRESS;
6576 /*------------------------------------------------------------------*/
6578 * Wireless Handler : get extended Encryption parameters
6580 static int airo_get_encodeext(struct net_device *dev,
6581 struct iw_request_info *info,
6582 union iwreq_data *wrqu,
6585 struct airo_info *local = dev->priv;
6586 struct iw_point *encoding = &wrqu->encoding;
6587 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6588 CapabilityRid cap_rid; /* Card capability info */
6589 int idx, max_key_len;
6591 /* Is it supported ? */
6592 readCapabilityRid(local, &cap_rid, 1);
6593 if(!(cap_rid.softCap & 2)) {
6596 readConfigRid(local, 1);
6598 max_key_len = encoding->length - sizeof(*ext);
6599 if (max_key_len < 0)
6602 idx = encoding->flags & IW_ENCODE_INDEX;
6604 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6608 idx = get_wep_key(local, 0xffff);
6610 encoding->flags = idx + 1;
6611 memset(ext, 0, sizeof(*ext));
6613 /* Check encryption mode */
6614 switch(local->config.authType) {
6616 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6618 case AUTH_SHAREDKEY:
6619 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6623 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6626 /* We can't return the key, so set the proper flag and return zero */
6627 encoding->flags |= IW_ENCODE_NOKEY;
6628 memset(extra, 0, 16);
6630 /* Copy the key to the user buffer */
6631 ext->key_len = get_wep_key(local, idx);
6632 if (ext->key_len > 16) {
6640 /*------------------------------------------------------------------*/
6642 * Wireless Handler : set extended authentication parameters
6644 static int airo_set_auth(struct net_device *dev,
6645 struct iw_request_info *info,
6646 union iwreq_data *wrqu, char *extra)
6648 struct airo_info *local = dev->priv;
6649 struct iw_param *param = &wrqu->param;
6650 u16 currentAuthType = local->config.authType;
6652 switch (param->flags & IW_AUTH_INDEX) {
6653 case IW_AUTH_WPA_VERSION:
6654 case IW_AUTH_CIPHER_PAIRWISE:
6655 case IW_AUTH_CIPHER_GROUP:
6656 case IW_AUTH_KEY_MGMT:
6657 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6658 case IW_AUTH_PRIVACY_INVOKED:
6660 * airo does not use these parameters
6664 case IW_AUTH_DROP_UNENCRYPTED:
6666 /* Only change auth type if unencrypted */
6667 if (currentAuthType == AUTH_OPEN)
6668 local->config.authType = AUTH_ENCRYPT;
6670 local->config.authType = AUTH_OPEN;
6673 /* Commit the changes to flags if needed */
6674 if (local->config.authType != currentAuthType)
6675 set_bit (FLAG_COMMIT, &local->flags);
6678 case IW_AUTH_80211_AUTH_ALG: {
6679 /* FIXME: What about AUTH_OPEN? This API seems to
6680 * disallow setting our auth to AUTH_OPEN.
6682 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6683 local->config.authType = AUTH_SHAREDKEY;
6684 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6685 local->config.authType = AUTH_ENCRYPT;
6690 /* Commit the changes to flags if needed */
6691 if (local->config.authType != currentAuthType)
6692 set_bit (FLAG_COMMIT, &local->flags);
6695 case IW_AUTH_WPA_ENABLED:
6696 /* Silently accept disable of WPA */
6697 if (param->value > 0)
6704 return -EINPROGRESS;
6708 /*------------------------------------------------------------------*/
6710 * Wireless Handler : get extended authentication parameters
6712 static int airo_get_auth(struct net_device *dev,
6713 struct iw_request_info *info,
6714 union iwreq_data *wrqu, char *extra)
6716 struct airo_info *local = dev->priv;
6717 struct iw_param *param = &wrqu->param;
6718 u16 currentAuthType = local->config.authType;
6720 switch (param->flags & IW_AUTH_INDEX) {
6721 case IW_AUTH_DROP_UNENCRYPTED:
6722 switch (currentAuthType) {
6723 case AUTH_SHAREDKEY:
6733 case IW_AUTH_80211_AUTH_ALG:
6734 switch (currentAuthType) {
6735 case AUTH_SHAREDKEY:
6736 param->value = IW_AUTH_ALG_SHARED_KEY;
6740 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6745 case IW_AUTH_WPA_ENABLED:
6756 /*------------------------------------------------------------------*/
6758 * Wireless Handler : set Tx-Power
6760 static int airo_set_txpow(struct net_device *dev,
6761 struct iw_request_info *info,
6762 struct iw_param *vwrq,
6765 struct airo_info *local = dev->priv;
6766 CapabilityRid cap_rid; /* Card capability info */
6770 readCapabilityRid(local, &cap_rid, 1);
6772 if (vwrq->disabled) {
6773 set_bit (FLAG_RADIO_OFF, &local->flags);
6774 set_bit (FLAG_COMMIT, &local->flags);
6775 return -EINPROGRESS; /* Call commit handler */
6777 if (vwrq->flags != IW_TXPOW_MWATT) {
6780 clear_bit (FLAG_RADIO_OFF, &local->flags);
6781 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6782 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6783 readConfigRid(local, 1);
6784 local->config.txPower = vwrq->value;
6785 set_bit (FLAG_COMMIT, &local->flags);
6786 rc = -EINPROGRESS; /* Call commit handler */
6792 /*------------------------------------------------------------------*/
6794 * Wireless Handler : get Tx-Power
6796 static int airo_get_txpow(struct net_device *dev,
6797 struct iw_request_info *info,
6798 struct iw_param *vwrq,
6801 struct airo_info *local = dev->priv;
6803 readConfigRid(local, 1);
6804 vwrq->value = local->config.txPower;
6805 vwrq->fixed = 1; /* No power control */
6806 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6807 vwrq->flags = IW_TXPOW_MWATT;
6812 /*------------------------------------------------------------------*/
6814 * Wireless Handler : set Retry limits
6816 static int airo_set_retry(struct net_device *dev,
6817 struct iw_request_info *info,
6818 struct iw_param *vwrq,
6821 struct airo_info *local = dev->priv;
6824 if(vwrq->disabled) {
6827 readConfigRid(local, 1);
6828 if(vwrq->flags & IW_RETRY_LIMIT) {
6829 if(vwrq->flags & IW_RETRY_LONG)
6830 local->config.longRetryLimit = vwrq->value;
6831 else if (vwrq->flags & IW_RETRY_SHORT)
6832 local->config.shortRetryLimit = vwrq->value;
6834 /* No modifier : set both */
6835 local->config.longRetryLimit = vwrq->value;
6836 local->config.shortRetryLimit = vwrq->value;
6838 set_bit (FLAG_COMMIT, &local->flags);
6839 rc = -EINPROGRESS; /* Call commit handler */
6841 if(vwrq->flags & IW_RETRY_LIFETIME) {
6842 local->config.txLifetime = vwrq->value / 1024;
6843 set_bit (FLAG_COMMIT, &local->flags);
6844 rc = -EINPROGRESS; /* Call commit handler */
6849 /*------------------------------------------------------------------*/
6851 * Wireless Handler : get Retry limits
6853 static int airo_get_retry(struct net_device *dev,
6854 struct iw_request_info *info,
6855 struct iw_param *vwrq,
6858 struct airo_info *local = dev->priv;
6860 vwrq->disabled = 0; /* Can't be disabled */
6862 readConfigRid(local, 1);
6863 /* Note : by default, display the min retry number */
6864 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6865 vwrq->flags = IW_RETRY_LIFETIME;
6866 vwrq->value = (int)local->config.txLifetime * 1024;
6867 } else if((vwrq->flags & IW_RETRY_LONG)) {
6868 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6869 vwrq->value = (int)local->config.longRetryLimit;
6871 vwrq->flags = IW_RETRY_LIMIT;
6872 vwrq->value = (int)local->config.shortRetryLimit;
6873 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6874 vwrq->flags |= IW_RETRY_SHORT;
6880 /*------------------------------------------------------------------*/
6882 * Wireless Handler : get range info
6884 static int airo_get_range(struct net_device *dev,
6885 struct iw_request_info *info,
6886 struct iw_point *dwrq,
6889 struct airo_info *local = dev->priv;
6890 struct iw_range *range = (struct iw_range *) extra;
6891 CapabilityRid cap_rid; /* Card capability info */
6895 readCapabilityRid(local, &cap_rid, 1);
6897 dwrq->length = sizeof(struct iw_range);
6898 memset(range, 0, sizeof(*range));
6899 range->min_nwid = 0x0000;
6900 range->max_nwid = 0x0000;
6901 range->num_channels = 14;
6902 /* Should be based on cap_rid.country to give only
6903 * what the current card support */
6905 for(i = 0; i < 14; i++) {
6906 range->freq[k].i = i + 1; /* List index */
6907 range->freq[k].m = frequency_list[i] * 100000;
6908 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6910 range->num_frequency = k;
6912 range->sensitivity = 65535;
6914 /* Hum... Should put the right values there */
6916 range->max_qual.qual = 100; /* % */
6918 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6919 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6920 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6922 /* Experimental measurements - boundary 11/5.5 Mb/s */
6923 /* Note : with or without the (local->rssi), results
6924 * are somewhat different. - Jean II */
6926 range->avg_qual.qual = 50; /* % */
6927 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6929 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6930 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6932 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6934 for(i = 0 ; i < 8 ; i++) {
6935 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6936 if(range->bitrate[i] == 0)
6939 range->num_bitrates = i;
6941 /* Set an indication of the max TCP throughput
6942 * in bit/s that we can expect using this interface.
6943 * May be use for QoS stuff... Jean II */
6945 range->throughput = 5000 * 1000;
6947 range->throughput = 1500 * 1000;
6950 range->max_rts = AIRO_DEF_MTU;
6951 range->min_frag = 256;
6952 range->max_frag = AIRO_DEF_MTU;
6954 if(cap_rid.softCap & 2) {
6956 range->encoding_size[0] = 5;
6958 if (cap_rid.softCap & 0x100) {
6959 range->encoding_size[1] = 13;
6960 range->num_encoding_sizes = 2;
6962 range->num_encoding_sizes = 1;
6963 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6965 range->num_encoding_sizes = 0;
6966 range->max_encoding_tokens = 0;
6969 range->max_pmp = 5000000; /* 5 secs */
6971 range->max_pmt = 65535 * 1024; /* ??? */
6972 range->pmp_flags = IW_POWER_PERIOD;
6973 range->pmt_flags = IW_POWER_TIMEOUT;
6974 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6976 /* Transmit Power - values are in mW */
6977 for(i = 0 ; i < 8 ; i++) {
6978 range->txpower[i] = cap_rid.txPowerLevels[i];
6979 if(range->txpower[i] == 0)
6982 range->num_txpower = i;
6983 range->txpower_capa = IW_TXPOW_MWATT;
6984 range->we_version_source = 19;
6985 range->we_version_compiled = WIRELESS_EXT;
6986 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6987 range->retry_flags = IW_RETRY_LIMIT;
6988 range->r_time_flags = IW_RETRY_LIFETIME;
6989 range->min_retry = 1;
6990 range->max_retry = 65535;
6991 range->min_r_time = 1024;
6992 range->max_r_time = 65535 * 1024;
6994 /* Event capability (kernel + driver) */
6995 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6996 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6997 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6998 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6999 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7000 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7004 /*------------------------------------------------------------------*/
7006 * Wireless Handler : set Power Management
7008 static int airo_set_power(struct net_device *dev,
7009 struct iw_request_info *info,
7010 struct iw_param *vwrq,
7013 struct airo_info *local = dev->priv;
7015 readConfigRid(local, 1);
7016 if (vwrq->disabled) {
7017 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7020 local->config.powerSaveMode = POWERSAVE_CAM;
7021 local->config.rmode &= 0xFF00;
7022 local->config.rmode |= RXMODE_BC_MC_ADDR;
7023 set_bit (FLAG_COMMIT, &local->flags);
7024 return -EINPROGRESS; /* Call commit handler */
7026 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7027 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7028 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7029 set_bit (FLAG_COMMIT, &local->flags);
7030 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7031 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7032 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7033 set_bit (FLAG_COMMIT, &local->flags);
7035 switch (vwrq->flags & IW_POWER_MODE) {
7036 case IW_POWER_UNICAST_R:
7037 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7040 local->config.rmode &= 0xFF00;
7041 local->config.rmode |= RXMODE_ADDR;
7042 set_bit (FLAG_COMMIT, &local->flags);
7044 case IW_POWER_ALL_R:
7045 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7048 local->config.rmode &= 0xFF00;
7049 local->config.rmode |= RXMODE_BC_MC_ADDR;
7050 set_bit (FLAG_COMMIT, &local->flags);
7052 /* This is broken, fixme ;-) */
7057 // Note : we may want to factor local->need_commit here
7058 // Note2 : may also want to factor RXMODE_RFMON test
7059 return -EINPROGRESS; /* Call commit handler */
7062 /*------------------------------------------------------------------*/
7064 * Wireless Handler : get Power Management
7066 static int airo_get_power(struct net_device *dev,
7067 struct iw_request_info *info,
7068 struct iw_param *vwrq,
7071 struct airo_info *local = dev->priv;
7074 readConfigRid(local, 1);
7075 mode = local->config.powerSaveMode;
7076 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7078 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7079 vwrq->value = (int)local->config.fastListenDelay * 1024;
7080 vwrq->flags = IW_POWER_TIMEOUT;
7082 vwrq->value = (int)local->config.fastListenInterval * 1024;
7083 vwrq->flags = IW_POWER_PERIOD;
7085 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7086 vwrq->flags |= IW_POWER_UNICAST_R;
7088 vwrq->flags |= IW_POWER_ALL_R;
7093 /*------------------------------------------------------------------*/
7095 * Wireless Handler : set Sensitivity
7097 static int airo_set_sens(struct net_device *dev,
7098 struct iw_request_info *info,
7099 struct iw_param *vwrq,
7102 struct airo_info *local = dev->priv;
7104 readConfigRid(local, 1);
7105 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7106 set_bit (FLAG_COMMIT, &local->flags);
7108 return -EINPROGRESS; /* Call commit handler */
7111 /*------------------------------------------------------------------*/
7113 * Wireless Handler : get Sensitivity
7115 static int airo_get_sens(struct net_device *dev,
7116 struct iw_request_info *info,
7117 struct iw_param *vwrq,
7120 struct airo_info *local = dev->priv;
7122 readConfigRid(local, 1);
7123 vwrq->value = local->config.rssiThreshold;
7124 vwrq->disabled = (vwrq->value == 0);
7130 /*------------------------------------------------------------------*/
7132 * Wireless Handler : get AP List
7133 * Note : this is deprecated in favor of IWSCAN
7135 static int airo_get_aplist(struct net_device *dev,
7136 struct iw_request_info *info,
7137 struct iw_point *dwrq,
7140 struct airo_info *local = dev->priv;
7141 struct sockaddr *address = (struct sockaddr *) extra;
7142 struct iw_quality qual[IW_MAX_AP];
7145 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7147 for (i = 0; i < IW_MAX_AP; i++) {
7148 if (readBSSListRid(local, loseSync, &BSSList))
7151 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7152 address[i].sa_family = ARPHRD_ETHER;
7154 qual[i].level = 0x100 - BSSList.dBm;
7155 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7156 qual[i].updated = IW_QUAL_QUAL_UPDATED
7157 | IW_QUAL_LEVEL_UPDATED
7160 qual[i].level = (BSSList.dBm + 321) / 2;
7162 qual[i].updated = IW_QUAL_QUAL_INVALID
7163 | IW_QUAL_LEVEL_UPDATED
7166 qual[i].noise = local->wstats.qual.noise;
7167 if (BSSList.index == 0xffff)
7171 StatusRid status_rid; /* Card status info */
7172 readStatusRid(local, &status_rid, 1);
7174 i < min(IW_MAX_AP, 4) &&
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])!=0xff &&
7181 (status_rid.bssid[i][0]
7182 | status_rid.bssid[i][1]
7183 | status_rid.bssid[i][2]
7184 | status_rid.bssid[i][3]
7185 | status_rid.bssid[i][4]
7186 | status_rid.bssid[i][5]);
7188 memcpy(address[i].sa_data,
7189 status_rid.bssid[i], ETH_ALEN);
7190 address[i].sa_family = ARPHRD_ETHER;
7193 dwrq->flags = 1; /* Should be define'd */
7194 memcpy(extra + sizeof(struct sockaddr)*i,
7195 &qual, sizeof(struct iw_quality)*i);
7202 /*------------------------------------------------------------------*/
7204 * Wireless Handler : Initiate Scan
7206 static int airo_set_scan(struct net_device *dev,
7207 struct iw_request_info *info,
7208 struct iw_param *vwrq,
7211 struct airo_info *ai = dev->priv;
7216 /* Note : you may have realised that, as this is a SET operation,
7217 * this is privileged and therefore a normal user can't
7219 * This is not an error, while the device perform scanning,
7220 * traffic doesn't flow, so it's a perfect DoS...
7222 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7224 if (down_interruptible(&ai->sem))
7225 return -ERESTARTSYS;
7227 /* If there's already a scan in progress, don't
7228 * trigger another one. */
7229 if (ai->scan_timeout > 0)
7232 /* Initiate a scan command */
7233 ai->scan_timeout = RUN_AT(3*HZ);
7234 memset(&cmd, 0, sizeof(cmd));
7235 cmd.cmd=CMD_LISTBSS;
7236 issuecommand(ai, &cmd, &rsp);
7242 wake_up_interruptible(&ai->thr_wait);
7246 /*------------------------------------------------------------------*/
7248 * Translate scan data returned from the card to a card independent
7249 * format that the Wireless Tools will understand - Jean II
7251 static inline char *airo_translate_scan(struct net_device *dev,
7256 struct airo_info *ai = dev->priv;
7257 struct iw_event iwe; /* Temporary buffer */
7259 char * current_val; /* For rates */
7263 /* First entry *MUST* be the AP MAC address */
7264 iwe.cmd = SIOCGIWAP;
7265 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7266 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7267 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7269 /* Other entries will be displayed in the order we give them */
7272 iwe.u.data.length = bss->ssidLen;
7273 if(iwe.u.data.length > 32)
7274 iwe.u.data.length = 32;
7275 iwe.cmd = SIOCGIWESSID;
7276 iwe.u.data.flags = 1;
7277 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7280 iwe.cmd = SIOCGIWMODE;
7281 capabilities = le16_to_cpu(bss->cap);
7282 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7283 if(capabilities & CAP_ESS)
7284 iwe.u.mode = IW_MODE_MASTER;
7286 iwe.u.mode = IW_MODE_ADHOC;
7287 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7291 iwe.cmd = SIOCGIWFREQ;
7292 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7293 /* iwe.u.freq.m containt the channel (starting 1), our
7294 * frequency_list array start at index 0...
7296 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7298 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7300 /* Add quality statistics */
7303 iwe.u.qual.level = 0x100 - bss->dBm;
7304 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7305 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7306 | IW_QUAL_LEVEL_UPDATED
7309 iwe.u.qual.level = (bss->dBm + 321) / 2;
7310 iwe.u.qual.qual = 0;
7311 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7312 | IW_QUAL_LEVEL_UPDATED
7315 iwe.u.qual.noise = ai->wstats.qual.noise;
7316 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7318 /* Add encryption capability */
7319 iwe.cmd = SIOCGIWENCODE;
7320 if(capabilities & CAP_PRIVACY)
7321 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7323 iwe.u.data.flags = IW_ENCODE_DISABLED;
7324 iwe.u.data.length = 0;
7325 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7327 /* Rate : stuffing multiple values in a single event require a bit
7328 * more of magic - Jean II */
7329 current_val = current_ev + IW_EV_LCP_LEN;
7331 iwe.cmd = SIOCGIWRATE;
7332 /* Those two flags are ignored... */
7333 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7335 for(i = 0 ; i < 8 ; i++) {
7336 /* NULL terminated */
7337 if(bss->rates[i] == 0)
7339 /* Bit rate given in 500 kb/s units (+ 0x80) */
7340 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7341 /* Add new value to event */
7342 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7344 /* Check if we added any event */
7345 if((current_val - current_ev) > IW_EV_LCP_LEN)
7346 current_ev = current_val;
7348 /* Beacon interval */
7349 buf = kmalloc(30, GFP_KERNEL);
7351 iwe.cmd = IWEVCUSTOM;
7352 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7353 iwe.u.data.length = strlen(buf);
7354 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7358 /* Put WPA/RSN Information Elements into the event stream */
7359 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7360 unsigned int num_null_ies = 0;
7361 u16 length = sizeof (bss->extra.iep);
7362 struct ieee80211_info_element *info_element =
7363 (struct ieee80211_info_element *) &bss->extra.iep;
7365 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7366 if (sizeof(*info_element) + info_element->len > length) {
7367 /* Invalid element, don't continue parsing IE */
7371 switch (info_element->id) {
7372 case MFIE_TYPE_SSID:
7373 /* Two zero-length SSID elements
7374 * mean we're done parsing elements */
7375 if (!info_element->len)
7379 case MFIE_TYPE_GENERIC:
7380 if (info_element->len >= 4 &&
7381 info_element->data[0] == 0x00 &&
7382 info_element->data[1] == 0x50 &&
7383 info_element->data[2] == 0xf2 &&
7384 info_element->data[3] == 0x01) {
7385 iwe.cmd = IWEVGENIE;
7386 iwe.u.data.length = min(info_element->len + 2,
7388 current_ev = iwe_stream_add_point(current_ev, end_buf,
7389 &iwe, (char *) info_element);
7394 iwe.cmd = IWEVGENIE;
7395 iwe.u.data.length = min(info_element->len + 2,
7397 current_ev = iwe_stream_add_point(current_ev, end_buf,
7398 &iwe, (char *) info_element);
7405 length -= sizeof(*info_element) + info_element->len;
7407 (struct ieee80211_info_element *)&info_element->
7408 data[info_element->len];
7414 /*------------------------------------------------------------------*/
7416 * Wireless Handler : Read Scan Results
7418 static int airo_get_scan(struct net_device *dev,
7419 struct iw_request_info *info,
7420 struct iw_point *dwrq,
7423 struct airo_info *ai = dev->priv;
7424 BSSListElement *net;
7426 char *current_ev = extra;
7428 /* If a scan is in-progress, return -EAGAIN */
7429 if (ai->scan_timeout > 0)
7432 if (down_interruptible(&ai->sem))
7435 list_for_each_entry (net, &ai->network_list, list) {
7436 /* Translate to WE format this entry */
7437 current_ev = airo_translate_scan(dev, current_ev,
7438 extra + dwrq->length,
7441 /* Check if there is space for one more entry */
7442 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7443 /* Ask user space to try again with a bigger buffer */
7449 /* Length of data */
7450 dwrq->length = (current_ev - extra);
7451 dwrq->flags = 0; /* todo */
7458 /*------------------------------------------------------------------*/
7460 * Commit handler : called after a bunch of SET operations
7462 static int airo_config_commit(struct net_device *dev,
7463 struct iw_request_info *info, /* NULL */
7464 void *zwrq, /* NULL */
7465 char *extra) /* NULL */
7467 struct airo_info *local = dev->priv;
7470 if (!test_bit (FLAG_COMMIT, &local->flags))
7473 /* Some of the "SET" function may have modified some of the
7474 * parameters. It's now time to commit them in the card */
7475 disable_MAC(local, 1);
7476 if (test_bit (FLAG_RESET, &local->flags)) {
7477 APListRid APList_rid;
7480 readAPListRid(local, &APList_rid);
7481 readSsidRid(local, &SSID_rid);
7482 if (test_bit(FLAG_MPI,&local->flags))
7483 setup_card(local, dev->dev_addr, 1 );
7485 reset_airo_card(dev);
7486 disable_MAC(local, 1);
7487 writeSsidRid(local, &SSID_rid, 1);
7488 writeAPListRid(local, &APList_rid, 1);
7490 if (down_interruptible(&local->sem))
7491 return -ERESTARTSYS;
7492 writeConfigRid(local, 0);
7493 enable_MAC(local, &rsp, 0);
7494 if (test_bit (FLAG_RESET, &local->flags))
7495 airo_set_promisc(local);
7502 /*------------------------------------------------------------------*/
7504 * Structures to export the Wireless Handlers
7507 static const struct iw_priv_args airo_private_args[] = {
7508 /*{ cmd, set_args, get_args, name } */
7509 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7510 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7511 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7512 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7515 static const iw_handler airo_handler[] =
7517 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7518 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7519 (iw_handler) NULL, /* SIOCSIWNWID */
7520 (iw_handler) NULL, /* SIOCGIWNWID */
7521 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7522 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7523 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7524 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7525 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7526 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7527 (iw_handler) NULL, /* SIOCSIWRANGE */
7528 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7529 (iw_handler) NULL, /* SIOCSIWPRIV */
7530 (iw_handler) NULL, /* SIOCGIWPRIV */
7531 (iw_handler) NULL, /* SIOCSIWSTATS */
7532 (iw_handler) NULL, /* SIOCGIWSTATS */
7533 iw_handler_set_spy, /* SIOCSIWSPY */
7534 iw_handler_get_spy, /* SIOCGIWSPY */
7535 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7536 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7537 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7538 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7539 (iw_handler) NULL, /* -- hole -- */
7540 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7541 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7542 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7543 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7544 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7545 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7546 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7547 (iw_handler) NULL, /* -- hole -- */
7548 (iw_handler) NULL, /* -- hole -- */
7549 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7550 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7551 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7552 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7553 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7554 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7555 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7556 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7557 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7558 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7559 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7560 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7561 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7562 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7563 (iw_handler) NULL, /* -- hole -- */
7564 (iw_handler) NULL, /* -- hole -- */
7565 (iw_handler) NULL, /* SIOCSIWGENIE */
7566 (iw_handler) NULL, /* SIOCGIWGENIE */
7567 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7568 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7569 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7570 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7571 (iw_handler) NULL, /* SIOCSIWPMKSA */
7574 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7575 * We want to force the use of the ioctl code, because those can't be
7576 * won't work the iw_handler code (because they simultaneously read
7577 * and write data and iw_handler can't do that).
7578 * Note that it's perfectly legal to read/write on a single ioctl command,
7579 * you just can't use iwpriv and need to force it via the ioctl handler.
7581 static const iw_handler airo_private_handler[] =
7583 NULL, /* SIOCIWFIRSTPRIV */
7586 static const struct iw_handler_def airo_handler_def =
7588 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7589 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7590 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7591 .standard = airo_handler,
7592 .private = airo_private_handler,
7593 .private_args = airo_private_args,
7594 .get_wireless_stats = airo_get_wireless_stats,
7598 * This defines the configuration part of the Wireless Extensions
7599 * Note : irq and spinlock protection will occur in the subroutines
7602 * o Check input value more carefully and fill correct values in range
7603 * o Test and shakeout the bugs (if any)
7607 * Javier Achirica did a great job of merging code from the unnamed CISCO
7608 * developer that added support for flashing the card.
7610 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7613 struct airo_info *ai = (struct airo_info *)dev->priv;
7615 if (ai->power.event)
7625 int val = AIROMAGIC;
7627 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7629 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7638 /* Get the command struct and hand it off for evaluation by
7639 * the proper subfunction
7643 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7648 /* Separate R/W functions bracket legality here
7650 if ( com.command == AIRORSWVERSION ) {
7651 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7656 else if ( com.command <= AIRORRID)
7657 rc = readrids(dev,&com);
7658 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7659 rc = writerids(dev,&com);
7660 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7661 rc = flashcard(dev,&com);
7663 rc = -EINVAL; /* Bad command in ioctl */
7666 #endif /* CISCO_EXT */
7668 // All other calls are currently unsupported
7676 * Get the Wireless stats out of the driver
7677 * Note : irq and spinlock protection will occur in the subroutines
7680 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7684 static void airo_read_wireless_stats(struct airo_info *local)
7686 StatusRid status_rid;
7688 CapabilityRid cap_rid;
7689 u32 *vals = stats_rid.vals;
7691 /* Get stats out of the card */
7692 clear_bit(JOB_WSTATS, &local->jobs);
7693 if (local->power.event) {
7697 readCapabilityRid(local, &cap_rid, 0);
7698 readStatusRid(local, &status_rid, 0);
7699 readStatsRid(local, &stats_rid, RID_STATS, 0);
7703 local->wstats.status = status_rid.mode;
7705 /* Signal quality and co */
7707 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7708 /* normalizedSignalStrength appears to be a percentage */
7709 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7711 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7712 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7714 if (status_rid.len >= 124) {
7715 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7716 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7718 local->wstats.qual.noise = 0;
7719 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7722 /* Packets discarded in the wireless adapter due to wireless
7723 * specific problems */
7724 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7725 local->wstats.discard.code = vals[6];/* RxWepErr */
7726 local->wstats.discard.fragment = vals[30];
7727 local->wstats.discard.retries = vals[10];
7728 local->wstats.discard.misc = vals[1] + vals[32];
7729 local->wstats.miss.beacon = vals[34];
7732 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7734 struct airo_info *local = dev->priv;
7736 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7737 /* Get stats out of the card if available */
7738 if (down_trylock(&local->sem) != 0) {
7739 set_bit(JOB_WSTATS, &local->jobs);
7740 wake_up_interruptible(&local->thr_wait);
7742 airo_read_wireless_stats(local);
7745 return &local->wstats;
7750 * This just translates from driver IOCTL codes to the command codes to
7751 * feed to the radio's host interface. Things can be added/deleted
7752 * as needed. This represents the READ side of control I/O to
7755 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7756 unsigned short ridcode;
7757 unsigned char *iobuf;
7759 struct airo_info *ai = dev->priv;
7762 if (test_bit(FLAG_FLASHING, &ai->flags))
7765 switch(comp->command)
7767 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7768 case AIROGCFG: ridcode = RID_CONFIG;
7769 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7770 disable_MAC (ai, 1);
7771 writeConfigRid (ai, 1);
7772 enable_MAC (ai, &rsp, 1);
7775 case AIROGSLIST: ridcode = RID_SSID; break;
7776 case AIROGVLIST: ridcode = RID_APLIST; break;
7777 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7778 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7779 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7780 /* Only super-user can read WEP keys */
7781 if (!capable(CAP_NET_ADMIN))
7784 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7785 /* Only super-user can read WEP keys */
7786 if (!capable(CAP_NET_ADMIN))
7789 case AIROGSTAT: ridcode = RID_STATUS; break;
7790 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7791 case AIROGSTATSC32: ridcode = RID_STATS; break;
7793 if (copy_to_user(comp->data, &ai->micstats,
7794 min((int)comp->len,(int)sizeof(ai->micstats))))
7797 case AIRORRID: ridcode = comp->ridnum; break;
7803 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7806 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7807 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7808 * then return it to the user
7809 * 9/22/2000 Honor user given length
7813 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7822 * Danger Will Robinson write the rids here
7825 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7826 struct airo_info *ai = dev->priv;
7830 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7831 unsigned char *iobuf;
7833 /* Only super-user can write RIDs */
7834 if (!capable(CAP_NET_ADMIN))
7837 if (test_bit(FLAG_FLASHING, &ai->flags))
7841 writer = do_writerid;
7843 switch(comp->command)
7845 case AIROPSIDS: ridcode = RID_SSID; break;
7846 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7847 case AIROPAPLIST: ridcode = RID_APLIST; break;
7848 case AIROPCFG: ai->config.len = 0;
7849 clear_bit(FLAG_COMMIT, &ai->flags);
7850 ridcode = RID_CONFIG; break;
7851 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7852 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7853 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7854 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7856 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7857 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7859 /* this is not really a rid but a command given to the card
7863 if (enable_MAC(ai, &rsp, 1) != 0)
7868 * Evidently this code in the airo driver does not get a symbol
7869 * as disable_MAC. it's probably so short the compiler does not gen one.
7875 /* This command merely clears the counts does not actually store any data
7876 * only reads rid. But as it changes the cards state, I put it in the
7877 * writerid routines.
7880 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7883 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7885 enabled = ai->micstats.enabled;
7886 memset(&ai->micstats,0,sizeof(ai->micstats));
7887 ai->micstats.enabled = enabled;
7889 if (copy_to_user(comp->data, iobuf,
7890 min((int)comp->len, (int)RIDSIZE))) {
7898 return -EOPNOTSUPP; /* Blarg! */
7900 if(comp->len > RIDSIZE)
7903 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7906 if (copy_from_user(iobuf,comp->data,comp->len)) {
7911 if (comp->command == AIROPCFG) {
7912 ConfigRid *cfg = (ConfigRid *)iobuf;
7914 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7915 cfg->opmode |= MODE_MIC;
7917 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7918 set_bit (FLAG_ADHOC, &ai->flags);
7920 clear_bit (FLAG_ADHOC, &ai->flags);
7923 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7931 /*****************************************************************************
7932 * Ancillary flash / mod functions much black magic lurkes here *
7933 *****************************************************************************
7937 * Flash command switch table
7940 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7943 /* Only super-user can modify flash */
7944 if (!capable(CAP_NET_ADMIN))
7947 switch(comp->command)
7950 return cmdreset((struct airo_info *)dev->priv);
7953 if (!((struct airo_info *)dev->priv)->flash &&
7954 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7956 return setflashmode((struct airo_info *)dev->priv);
7958 case AIROFLSHGCHR: /* Get char from aux */
7959 if(comp->len != sizeof(int))
7961 if (copy_from_user(&z,comp->data,comp->len))
7963 return flashgchar((struct airo_info *)dev->priv,z,8000);
7965 case AIROFLSHPCHR: /* Send char to card. */
7966 if(comp->len != sizeof(int))
7968 if (copy_from_user(&z,comp->data,comp->len))
7970 return flashpchar((struct airo_info *)dev->priv,z,8000);
7972 case AIROFLPUTBUF: /* Send 32k to card */
7973 if (!((struct airo_info *)dev->priv)->flash)
7975 if(comp->len > FLASHSIZE)
7977 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7980 flashputbuf((struct airo_info *)dev->priv);
7984 if(flashrestart((struct airo_info *)dev->priv,dev))
7991 #define FLASH_COMMAND 0x7e7e
7995 * Disable MAC and do soft reset on
7999 static int cmdreset(struct airo_info *ai) {
8003 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8007 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8009 ssleep(1); /* WAS 600 12/7/00 */
8012 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8019 * Put the card in legendary flash
8023 static int setflashmode (struct airo_info *ai) {
8024 set_bit (FLAG_FLASHING, &ai->flags);
8026 OUT4500(ai, SWS0, FLASH_COMMAND);
8027 OUT4500(ai, SWS1, FLASH_COMMAND);
8029 OUT4500(ai, SWS0, FLASH_COMMAND);
8030 OUT4500(ai, COMMAND,0x10);
8032 OUT4500(ai, SWS2, FLASH_COMMAND);
8033 OUT4500(ai, SWS3, FLASH_COMMAND);
8034 OUT4500(ai, COMMAND,0);
8036 msleep(500); /* 500ms delay */
8039 clear_bit (FLAG_FLASHING, &ai->flags);
8040 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8046 /* Put character to SWS0 wait for dwelltime
8050 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8061 /* Wait for busy bit d15 to go false indicating buffer empty */
8062 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8067 /* timeout for busy clear wait */
8069 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8073 /* Port is clear now write byte and wait for it to echo back */
8075 OUT4500(ai,SWS0,byte);
8078 echo = IN4500(ai,SWS1);
8079 } while (dwelltime >= 0 && echo != byte);
8083 return (echo == byte) ? 0 : -EIO;
8087 * Get a character from the card matching matchbyte
8090 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8092 unsigned char rbyte=0;
8095 rchar = IN4500(ai,SWS1);
8097 if(dwelltime && !(0x8000 & rchar)){
8102 rbyte = 0xff & rchar;
8104 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8108 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8112 }while(dwelltime > 0);
8117 * Transfer 32k of firmware data from user buffer to our buffer and
8121 static int flashputbuf(struct airo_info *ai){
8125 if (test_bit(FLAG_MPI,&ai->flags))
8126 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8128 OUT4500(ai,AUXPAGE,0x100);
8129 OUT4500(ai,AUXOFF,0);
8131 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8132 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8135 OUT4500(ai,SWS0,0x8000);
8143 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8146 ssleep(1); /* Added 12/7/00 */
8147 clear_bit (FLAG_FLASHING, &ai->flags);
8148 if (test_bit(FLAG_MPI, &ai->flags)) {
8149 status = mpi_init_descriptors(ai);
8150 if (status != SUCCESS)
8153 status = setup_card(ai, dev->dev_addr, 1);
8155 if (!test_bit(FLAG_MPI,&ai->flags))
8156 for( i = 0; i < MAX_FIDS; i++ ) {
8157 ai->fids[i] = transmit_allocate
8158 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8161 ssleep(1); /* Added 12/7/00 */
8164 #endif /* CISCO_EXT */
8167 This program is free software; you can redistribute it and/or
8168 modify it under the terms of the GNU General Public License
8169 as published by the Free Software Foundation; either version 2
8170 of the License, or (at your option) any later version.
8172 This program is distributed in the hope that it will be useful,
8173 but WITHOUT ANY WARRANTY; without even the implied warranty of
8174 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8175 GNU General Public License for more details.
8179 Redistribution and use in source and binary forms, with or without
8180 modification, are permitted provided that the following conditions
8183 1. Redistributions of source code must retain the above copyright
8184 notice, this list of conditions and the following disclaimer.
8185 2. Redistributions in binary form must reproduce the above copyright
8186 notice, this list of conditions and the following disclaimer in the
8187 documentation and/or other materials provided with the distribution.
8188 3. The name of the author may not be used to endorse or promote
8189 products derived from this software without specific prior written
8192 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8193 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8194 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8195 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8196 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8197 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8198 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8199 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8200 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8201 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8202 POSSIBILITY OF SUCH DAMAGE.
8205 module_init(airo_init_module);
8206 module_exit(airo_cleanup_module);