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 struct list_head dev_list;
1149 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1150 use the high bit to mark whether it is in use. */
1152 #define MPI_MAX_FIDS 1
1155 char keyindex; // Used with auto wep
1156 char defindex; // Used with auto wep
1157 struct proc_dir_entry *proc_entry;
1158 spinlock_t aux_lock;
1159 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1160 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1161 #define FLAG_RADIO_MASK 0x03
1162 #define FLAG_ENABLED 2
1163 #define FLAG_ADHOC 3 /* Needed by MIC */
1164 #define FLAG_MIC_CAPABLE 4
1165 #define FLAG_UPDATE_MULTI 5
1166 #define FLAG_UPDATE_UNI 6
1167 #define FLAG_802_11 7
1168 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1169 #define FLAG_PENDING_XMIT 9
1170 #define FLAG_PENDING_XMIT11 10
1172 #define FLAG_REGISTERED 12
1173 #define FLAG_COMMIT 13
1174 #define FLAG_RESET 14
1175 #define FLAG_FLASHING 15
1176 #define FLAG_WPA_CAPABLE 16
1177 unsigned long flags;
1180 #define JOB_XMIT11 2
1182 #define JOB_PROMISC 4
1185 #define JOB_AUTOWEP 7
1186 #define JOB_WSTATS 8
1187 #define JOB_SCAN_RESULTS 9
1189 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1191 unsigned short *flash;
1193 struct task_struct *list_bss_task;
1194 struct task_struct *airo_thread_task;
1195 struct semaphore sem;
1196 wait_queue_head_t thr_wait;
1197 unsigned long expires;
1199 struct sk_buff *skb;
1202 struct net_device *wifidev;
1203 struct iw_statistics wstats; // wireless stats
1204 unsigned long scan_timeout; /* Time scan should be read */
1205 struct iw_spy_data spy_data;
1206 struct iw_public_data wireless_data;
1208 struct crypto_cipher *tfm;
1210 mic_statistics micstats;
1211 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1212 HostTxDesc txfids[MPI_MAX_FIDS];
1213 HostRidDesc config_desc;
1214 unsigned long ridbus; // phys addr of config_desc
1215 struct sk_buff_head txq;// tx queue used by mpi350 code
1216 struct pci_dev *pci;
1217 unsigned char __iomem *pcimem;
1218 unsigned char __iomem *pciaux;
1219 unsigned char *shared;
1220 dma_addr_t shared_dma;
1224 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1225 char proc_name[IFNAMSIZ];
1227 /* WPA-related stuff */
1228 unsigned int bssListFirst;
1229 unsigned int bssListNext;
1230 unsigned int bssListRidLen;
1232 struct list_head network_list;
1233 struct list_head network_free_list;
1234 BSSListElement *networks;
1237 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1239 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1242 static int setup_proc_entry( struct net_device *dev,
1243 struct airo_info *apriv );
1244 static int takedown_proc_entry( struct net_device *dev,
1245 struct airo_info *apriv );
1247 static int cmdreset(struct airo_info *ai);
1248 static int setflashmode (struct airo_info *ai);
1249 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1250 static int flashputbuf(struct airo_info *ai);
1251 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1253 #define airo_print(type, name, fmt, args...) \
1254 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1256 #define airo_print_info(name, fmt, args...) \
1257 airo_print(KERN_INFO, name, fmt, ##args)
1259 #define airo_print_dbg(name, fmt, args...) \
1260 airo_print(KERN_DEBUG, name, fmt, ##args)
1262 #define airo_print_warn(name, fmt, args...) \
1263 airo_print(KERN_WARNING, name, fmt, ##args)
1265 #define airo_print_err(name, fmt, args...) \
1266 airo_print(KERN_ERR, name, fmt, ##args)
1269 /***********************************************************************
1271 ***********************************************************************
1274 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1275 static void MoveWindow(miccntx *context, u32 micSeq);
1276 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1277 struct crypto_cipher *tfm);
1278 static void emmh32_init(emmh32_context *context);
1279 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1280 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1281 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1283 /* micinit - Initialize mic seed */
1285 static void micinit(struct airo_info *ai)
1289 clear_bit(JOB_MIC, &ai->jobs);
1290 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1293 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1295 if (ai->micstats.enabled) {
1296 /* Key must be valid and different */
1297 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1298 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1299 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1300 /* Age current mic Context */
1301 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1302 /* Initialize new context */
1303 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1304 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1305 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1306 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1307 ai->mod[0].mCtx.valid = 1; //Key is now valid
1309 /* Give key to mic seed */
1310 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1313 /* Key must be valid and different */
1314 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1315 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1316 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1317 /* Age current mic Context */
1318 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1319 /* Initialize new context */
1320 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1322 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1323 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1324 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1325 ai->mod[0].uCtx.valid = 1; //Key is now valid
1327 //Give key to mic seed
1328 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1331 /* So next time we have a valid key and mic is enabled, we will update
1332 * the sequence number if the key is the same as before.
1334 ai->mod[0].uCtx.valid = 0;
1335 ai->mod[0].mCtx.valid = 0;
1339 /* micsetup - Get ready for business */
1341 static int micsetup(struct airo_info *ai) {
1344 if (ai->tfm == NULL)
1345 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1347 if (IS_ERR(ai->tfm)) {
1348 airo_print_err(ai->dev->name, "failed to load transform for AES");
1353 for (i=0; i < NUM_MODULES; i++) {
1354 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1355 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1360 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1362 /*===========================================================================
1363 * Description: Mic a packet
1365 * Inputs: etherHead * pointer to an 802.3 frame
1367 * Returns: BOOLEAN if successful, otherwise false.
1368 * PacketTxLen will be updated with the mic'd packets size.
1370 * Caveats: It is assumed that the frame buffer will already
1371 * be big enough to hold the largets mic message possible.
1372 * (No memory allocation is done here).
1374 * Author: sbraneky (10/15/01)
1375 * Merciless hacks by rwilcher (1/14/02)
1378 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1382 // Determine correct context
1383 // If not adhoc, always use unicast key
1385 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1386 context = &ai->mod[0].mCtx;
1388 context = &ai->mod[0].uCtx;
1390 if (!context->valid)
1393 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1395 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1398 mic->seq = htonl(context->tx);
1401 emmh32_init(&context->seed); // Mic the packet
1402 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1403 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1404 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1405 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1406 emmh32_final(&context->seed, (u8*)&mic->mic);
1408 /* New Type/length ?????????? */
1409 mic->typelen = 0; //Let NIC know it could be an oversized packet
1421 /*===========================================================================
1422 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1423 * (removes the MIC stuff) if packet is a valid packet.
1425 * Inputs: etherHead pointer to the 802.3 packet
1427 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1429 * Author: sbraneky (10/15/01)
1430 * Merciless hacks by rwilcher (1/14/02)
1431 *---------------------------------------------------------------------------
1434 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1440 mic_error micError = NONE;
1442 // Check if the packet is a Mic'd packet
1444 if (!ai->micstats.enabled) {
1445 //No Mic set or Mic OFF but we received a MIC'd packet.
1446 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1447 ai->micstats.rxMICPlummed++;
1453 if (ntohs(mic->typelen) == 0x888E)
1456 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1457 // Mic enabled but packet isn't Mic'd
1458 ai->micstats.rxMICPlummed++;
1462 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1464 //At this point we a have a mic'd packet and mic is enabled
1465 //Now do the mic error checking.
1467 //Receive seq must be odd
1468 if ( (micSEQ & 1) == 0 ) {
1469 ai->micstats.rxWrongSequence++;
1473 for (i = 0; i < NUM_MODULES; i++) {
1474 int mcast = eth->da[0] & 1;
1475 //Determine proper context
1476 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1478 //Make sure context is valid
1479 if (!context->valid) {
1481 micError = NOMICPLUMMED;
1487 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1489 emmh32_init(&context->seed);
1490 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1491 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1492 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1493 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1495 emmh32_final(&context->seed, digest);
1497 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1500 micError = INCORRECTMIC;
1504 //Check Sequence number if mics pass
1505 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1506 ai->micstats.rxSuccess++;
1510 micError = SEQUENCE;
1513 // Update statistics
1515 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1516 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1517 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1524 /*===========================================================================
1525 * Description: Checks the Rx Seq number to make sure it is valid
1526 * and hasn't already been received
1528 * Inputs: miccntx - mic context to check seq against
1529 * micSeq - the Mic seq number
1531 * Returns: TRUE if valid otherwise FALSE.
1533 * Author: sbraneky (10/15/01)
1534 * Merciless hacks by rwilcher (1/14/02)
1535 *---------------------------------------------------------------------------
1538 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1542 //Allow for the ap being rebooted - if it is then use the next
1543 //sequence number of the current sequence number - might go backwards
1546 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1547 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1548 context->window = (micSeq > 33) ? micSeq : 33;
1549 context->rx = 0; // Reset rx
1551 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1552 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1553 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1554 context->rx = 0; // Reset rx
1557 //Make sequence number relative to START of window
1558 seq = micSeq - (context->window - 33);
1560 //Too old of a SEQ number to check.
1565 //Window is infinite forward
1566 MoveWindow(context,micSeq);
1570 // We are in the window. Now check the context rx bit to see if it was already sent
1571 seq >>= 1; //divide by 2 because we only have odd numbers
1572 index = 1 << seq; //Get an index number
1574 if (!(context->rx & index)) {
1575 //micSEQ falls inside the window.
1576 //Add seqence number to the list of received numbers.
1577 context->rx |= index;
1579 MoveWindow(context,micSeq);
1586 static void MoveWindow(miccntx *context, u32 micSeq)
1590 //Move window if seq greater than the middle of the window
1591 if (micSeq > context->window) {
1592 shift = (micSeq - context->window) >> 1;
1596 context->rx >>= shift;
1600 context->window = micSeq; //Move window
1604 /*==============================================*/
1605 /*========== EMMH ROUTINES ====================*/
1606 /*==============================================*/
1608 /* mic accumulate */
1609 #define MIC_ACCUM(val) \
1610 context->accum += (u64)(val) * context->coeff[coeff_position++];
1612 static unsigned char aes_counter[16];
1614 /* expand the key to fill the MMH coefficient array */
1615 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1616 struct crypto_cipher *tfm)
1618 /* take the keying material, expand if necessary, truncate at 16-bytes */
1619 /* run through AES counter mode to generate context->coeff[] */
1623 u8 *cipher, plain[16];
1625 crypto_cipher_setkey(tfm, pkey, 16);
1627 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1628 aes_counter[15] = (u8)(counter >> 0);
1629 aes_counter[14] = (u8)(counter >> 8);
1630 aes_counter[13] = (u8)(counter >> 16);
1631 aes_counter[12] = (u8)(counter >> 24);
1633 memcpy (plain, aes_counter, 16);
1634 crypto_cipher_encrypt_one(tfm, plain, plain);
1636 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1637 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1643 /* prepare for calculation of a new mic */
1644 static void emmh32_init(emmh32_context *context)
1646 /* prepare for new mic calculation */
1648 context->position = 0;
1651 /* add some bytes to the mic calculation */
1652 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1654 int coeff_position, byte_position;
1656 if (len == 0) return;
1658 coeff_position = context->position >> 2;
1660 /* deal with partial 32-bit word left over from last update */
1661 byte_position = context->position & 3;
1662 if (byte_position) {
1663 /* have a partial word in part to deal with */
1665 if (len == 0) return;
1666 context->part.d8[byte_position++] = *pOctets++;
1667 context->position++;
1669 } while (byte_position < 4);
1670 MIC_ACCUM(htonl(context->part.d32));
1673 /* deal with full 32-bit words */
1675 MIC_ACCUM(htonl(*(u32 *)pOctets));
1676 context->position += 4;
1681 /* deal with partial 32-bit word that will be left over from this update */
1684 context->part.d8[byte_position++] = *pOctets++;
1685 context->position++;
1690 /* mask used to zero empty bytes for final partial word */
1691 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1693 /* calculate the mic */
1694 static void emmh32_final(emmh32_context *context, u8 digest[4])
1696 int coeff_position, byte_position;
1702 coeff_position = context->position >> 2;
1704 /* deal with partial 32-bit word left over from last update */
1705 byte_position = context->position & 3;
1706 if (byte_position) {
1707 /* have a partial word in part to deal with */
1708 val = htonl(context->part.d32);
1709 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1712 /* reduce the accumulated u64 to a 32-bit MIC */
1713 sum = context->accum;
1714 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1715 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1716 sum = utmp & 0xffffffffLL;
1717 if (utmp > 0x10000000fLL)
1721 digest[0] = (val>>24) & 0xFF;
1722 digest[1] = (val>>16) & 0xFF;
1723 digest[2] = (val>>8) & 0xFF;
1724 digest[3] = val & 0xFF;
1727 static int readBSSListRid(struct airo_info *ai, int first,
1734 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1735 memset(&cmd, 0, sizeof(cmd));
1736 cmd.cmd=CMD_LISTBSS;
1737 if (down_interruptible(&ai->sem))
1738 return -ERESTARTSYS;
1739 ai->list_bss_task = current;
1740 issuecommand(ai, &cmd, &rsp);
1742 /* Let the command take effect */
1743 schedule_timeout_uninterruptible(3 * HZ);
1744 ai->list_bss_task = NULL;
1746 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1747 list, ai->bssListRidLen, 1);
1749 list->len = le16_to_cpu(list->len);
1750 list->index = le16_to_cpu(list->index);
1751 list->radioType = le16_to_cpu(list->radioType);
1752 list->cap = le16_to_cpu(list->cap);
1753 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1754 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1755 list->dsChannel = le16_to_cpu(list->dsChannel);
1756 list->atimWindow = le16_to_cpu(list->atimWindow);
1757 list->dBm = le16_to_cpu(list->dBm);
1761 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1762 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1763 wkr, sizeof(*wkr), lock);
1765 wkr->len = le16_to_cpu(wkr->len);
1766 wkr->kindex = le16_to_cpu(wkr->kindex);
1767 wkr->klen = le16_to_cpu(wkr->klen);
1770 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1771 * the originals when we endian them... */
1772 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1774 WepKeyRid wkr = *pwkr;
1776 wkr.len = cpu_to_le16(wkr.len);
1777 wkr.kindex = cpu_to_le16(wkr.kindex);
1778 wkr.klen = cpu_to_le16(wkr.klen);
1779 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1780 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1782 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1784 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1790 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1792 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1794 ssidr->len = le16_to_cpu(ssidr->len);
1795 for(i = 0; i < 3; i++) {
1796 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1800 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1803 SsidRid ssidr = *pssidr;
1805 ssidr.len = cpu_to_le16(ssidr.len);
1806 for(i = 0; i < 3; i++) {
1807 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1809 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1812 static int readConfigRid(struct airo_info*ai, int lock) {
1820 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1824 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1826 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1827 *s = le16_to_cpu(*s);
1829 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1830 *s = le16_to_cpu(*s);
1832 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1833 *s = cpu_to_le16(*s);
1835 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1836 *s = cpu_to_le16(*s);
1841 static inline void checkThrottle(struct airo_info *ai) {
1843 /* Old hardware had a limit on encryption speed */
1844 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1845 for(i=0; i<8; i++) {
1846 if (ai->config.rates[i] > maxencrypt) {
1847 ai->config.rates[i] = 0;
1852 static int writeConfigRid(struct airo_info*ai, int lock) {
1856 if (!test_bit (FLAG_COMMIT, &ai->flags))
1859 clear_bit (FLAG_COMMIT, &ai->flags);
1860 clear_bit (FLAG_RESET, &ai->flags);
1864 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1865 set_bit(FLAG_ADHOC, &ai->flags);
1867 clear_bit(FLAG_ADHOC, &ai->flags);
1869 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1871 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1872 *s = cpu_to_le16(*s);
1874 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1875 *s = cpu_to_le16(*s);
1877 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1878 *s = cpu_to_le16(*s);
1880 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1881 *s = cpu_to_le16(*s);
1883 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1885 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1886 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1889 statr->len = le16_to_cpu(statr->len);
1890 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1892 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1893 *s = le16_to_cpu(*s);
1894 statr->load = le16_to_cpu(statr->load);
1895 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1898 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1899 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1900 aplr->len = le16_to_cpu(aplr->len);
1903 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1905 aplr->len = cpu_to_le16(aplr->len);
1906 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1909 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1910 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1913 capr->len = le16_to_cpu(capr->len);
1914 capr->prodNum = le16_to_cpu(capr->prodNum);
1915 capr->radioType = le16_to_cpu(capr->radioType);
1916 capr->country = le16_to_cpu(capr->country);
1917 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1918 *s = le16_to_cpu(*s);
1921 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1922 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1925 sr->len = le16_to_cpu(sr->len);
1926 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1930 static int airo_open(struct net_device *dev) {
1931 struct airo_info *info = dev->priv;
1934 if (test_bit(FLAG_FLASHING, &info->flags))
1937 /* Make sure the card is configured.
1938 * Wireless Extensions may postpone config changes until the card
1939 * is open (to pipeline changes and speed-up card setup). If
1940 * those changes are not yet commited, do it now - Jean II */
1941 if (test_bit (FLAG_COMMIT, &info->flags)) {
1942 disable_MAC(info, 1);
1943 writeConfigRid(info, 1);
1946 if (info->wifidev != dev) {
1947 /* Power on the MAC controller (which may have been disabled) */
1948 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1949 enable_interrupts(info);
1951 enable_MAC(info, &rsp, 1);
1953 netif_start_queue(dev);
1957 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1958 int npacks, pending;
1959 unsigned long flags;
1960 struct airo_info *ai = dev->priv;
1963 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1966 npacks = skb_queue_len (&ai->txq);
1968 if (npacks >= MAXTXQ - 1) {
1969 netif_stop_queue (dev);
1970 if (npacks > MAXTXQ) {
1971 ai->stats.tx_fifo_errors++;
1974 skb_queue_tail (&ai->txq, skb);
1978 spin_lock_irqsave(&ai->aux_lock, flags);
1979 skb_queue_tail (&ai->txq, skb);
1980 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1981 spin_unlock_irqrestore(&ai->aux_lock,flags);
1982 netif_wake_queue (dev);
1985 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1986 mpi_send_packet (dev);
1994 * Attempt to transmit a packet. Can be called from interrupt
1995 * or transmit . return number of packets we tried to send
1998 static int mpi_send_packet (struct net_device *dev)
2000 struct sk_buff *skb;
2001 unsigned char *buffer;
2002 s16 len, *payloadLen;
2003 struct airo_info *ai = dev->priv;
2006 /* get a packet to send */
2008 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2009 airo_print_err(dev->name,
2010 "%s: Dequeue'd zero in send_packet()",
2015 /* check min length*/
2016 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2019 ai->txfids[0].tx_desc.offset = 0;
2020 ai->txfids[0].tx_desc.valid = 1;
2021 ai->txfids[0].tx_desc.eoc = 1;
2022 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2025 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2026 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2027 * is immediatly after it. ------------------------------------------------
2028 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2029 * ------------------------------------------------
2032 memcpy((char *)ai->txfids[0].virtual_host_addr,
2033 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2035 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2036 sizeof(wifictlhdr8023));
2037 sendbuf = ai->txfids[0].virtual_host_addr +
2038 sizeof(wifictlhdr8023) + 2 ;
2041 * Firmware automaticly puts 802 header on so
2042 * we don't need to account for it in the length
2044 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2045 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2048 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2051 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2052 ai->txfids[0].tx_desc.len += sizeof(pMic);
2053 /* copy data into airo dma buffer */
2054 memcpy (sendbuf, buffer, sizeof(etherHead));
2055 buffer += sizeof(etherHead);
2056 sendbuf += sizeof(etherHead);
2057 memcpy (sendbuf, &pMic, sizeof(pMic));
2058 sendbuf += sizeof(pMic);
2059 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2061 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2063 dev->trans_start = jiffies;
2065 /* copy data into airo dma buffer */
2066 memcpy(sendbuf, buffer, len);
2069 memcpy_toio(ai->txfids[0].card_ram_off,
2070 &ai->txfids[0].tx_desc, sizeof(TxFid));
2072 OUT4500(ai, EVACK, 8);
2074 dev_kfree_skb_any(skb);
2078 static void get_tx_error(struct airo_info *ai, s32 fid)
2083 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2085 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2087 bap_read(ai, &status, 2, BAP0);
2089 if (le16_to_cpu(status) & 2) /* Too many retries */
2090 ai->stats.tx_aborted_errors++;
2091 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2092 ai->stats.tx_heartbeat_errors++;
2093 if (le16_to_cpu(status) & 8) /* Aid fail */
2095 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2096 ai->stats.tx_carrier_errors++;
2097 if (le16_to_cpu(status) & 0x20) /* Association lost */
2099 /* We produce a TXDROP event only for retry or lifetime
2100 * exceeded, because that's the only status that really mean
2101 * that this particular node went away.
2102 * Other errors means that *we* screwed up. - Jean II */
2103 if ((le16_to_cpu(status) & 2) ||
2104 (le16_to_cpu(status) & 4)) {
2105 union iwreq_data wrqu;
2108 /* Faster to skip over useless data than to do
2109 * another bap_setup(). We are at offset 0x6 and
2110 * need to go to 0x18 and read 6 bytes - Jean II */
2111 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2113 /* Copy 802.11 dest address.
2114 * We use the 802.11 header because the frame may
2115 * not be 802.3 or may be mangled...
2116 * In Ad-Hoc mode, it will be the node address.
2117 * In managed mode, it will be most likely the AP addr
2118 * User space will figure out how to convert it to
2119 * whatever it needs (IP address or else).
2121 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2122 wrqu.addr.sa_family = ARPHRD_ETHER;
2124 /* Send event to user space */
2125 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2129 static void airo_end_xmit(struct net_device *dev) {
2132 struct airo_info *priv = dev->priv;
2133 struct sk_buff *skb = priv->xmit.skb;
2134 int fid = priv->xmit.fid;
2135 u32 *fids = priv->fids;
2137 clear_bit(JOB_XMIT, &priv->jobs);
2138 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2139 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2143 if ( status == SUCCESS ) {
2144 dev->trans_start = jiffies;
2145 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2147 priv->fids[fid] &= 0xffff;
2148 priv->stats.tx_window_errors++;
2150 if (i < MAX_FIDS / 2)
2151 netif_wake_queue(dev);
2155 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2158 struct airo_info *priv = dev->priv;
2159 u32 *fids = priv->fids;
2161 if ( skb == NULL ) {
2162 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2166 /* Find a vacant FID */
2167 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2168 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2170 if ( j >= MAX_FIDS / 2 ) {
2171 netif_stop_queue(dev);
2173 if (i == MAX_FIDS / 2) {
2174 priv->stats.tx_fifo_errors++;
2178 /* check min length*/
2179 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2180 /* Mark fid as used & save length for later */
2181 fids[i] |= (len << 16);
2182 priv->xmit.skb = skb;
2184 if (down_trylock(&priv->sem) != 0) {
2185 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2186 netif_stop_queue(dev);
2187 set_bit(JOB_XMIT, &priv->jobs);
2188 wake_up_interruptible(&priv->thr_wait);
2194 static void airo_end_xmit11(struct net_device *dev) {
2197 struct airo_info *priv = dev->priv;
2198 struct sk_buff *skb = priv->xmit11.skb;
2199 int fid = priv->xmit11.fid;
2200 u32 *fids = priv->fids;
2202 clear_bit(JOB_XMIT11, &priv->jobs);
2203 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2204 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2208 if ( status == SUCCESS ) {
2209 dev->trans_start = jiffies;
2210 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2212 priv->fids[fid] &= 0xffff;
2213 priv->stats.tx_window_errors++;
2216 netif_wake_queue(dev);
2220 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2223 struct airo_info *priv = dev->priv;
2224 u32 *fids = priv->fids;
2226 if (test_bit(FLAG_MPI, &priv->flags)) {
2227 /* Not implemented yet for MPI350 */
2228 netif_stop_queue(dev);
2232 if ( skb == NULL ) {
2233 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2237 /* Find a vacant FID */
2238 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2239 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2241 if ( j >= MAX_FIDS ) {
2242 netif_stop_queue(dev);
2244 if (i == MAX_FIDS) {
2245 priv->stats.tx_fifo_errors++;
2249 /* check min length*/
2250 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2251 /* Mark fid as used & save length for later */
2252 fids[i] |= (len << 16);
2253 priv->xmit11.skb = skb;
2254 priv->xmit11.fid = i;
2255 if (down_trylock(&priv->sem) != 0) {
2256 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2257 netif_stop_queue(dev);
2258 set_bit(JOB_XMIT11, &priv->jobs);
2259 wake_up_interruptible(&priv->thr_wait);
2261 airo_end_xmit11(dev);
2265 static void airo_read_stats(struct airo_info *ai) {
2267 u32 *vals = stats_rid.vals;
2269 clear_bit(JOB_STATS, &ai->jobs);
2270 if (ai->power.event) {
2274 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2277 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2278 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2279 ai->stats.rx_bytes = vals[92];
2280 ai->stats.tx_bytes = vals[91];
2281 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2282 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2283 ai->stats.multicast = vals[43];
2284 ai->stats.collisions = vals[89];
2286 /* detailed rx_errors: */
2287 ai->stats.rx_length_errors = vals[3];
2288 ai->stats.rx_crc_errors = vals[4];
2289 ai->stats.rx_frame_errors = vals[2];
2290 ai->stats.rx_fifo_errors = vals[0];
2293 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2295 struct airo_info *local = dev->priv;
2297 if (!test_bit(JOB_STATS, &local->jobs)) {
2298 /* Get stats out of the card if available */
2299 if (down_trylock(&local->sem) != 0) {
2300 set_bit(JOB_STATS, &local->jobs);
2301 wake_up_interruptible(&local->thr_wait);
2303 airo_read_stats(local);
2306 return &local->stats;
2309 static void airo_set_promisc(struct airo_info *ai) {
2313 memset(&cmd, 0, sizeof(cmd));
2314 cmd.cmd=CMD_SETMODE;
2315 clear_bit(JOB_PROMISC, &ai->jobs);
2316 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2317 issuecommand(ai, &cmd, &rsp);
2321 static void airo_set_multicast_list(struct net_device *dev) {
2322 struct airo_info *ai = dev->priv;
2324 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2325 change_bit(FLAG_PROMISC, &ai->flags);
2326 if (down_trylock(&ai->sem) != 0) {
2327 set_bit(JOB_PROMISC, &ai->jobs);
2328 wake_up_interruptible(&ai->thr_wait);
2330 airo_set_promisc(ai);
2333 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2334 /* Turn on multicast. (Should be already setup...) */
2338 static int airo_set_mac_address(struct net_device *dev, void *p)
2340 struct airo_info *ai = dev->priv;
2341 struct sockaddr *addr = p;
2344 readConfigRid(ai, 1);
2345 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2346 set_bit (FLAG_COMMIT, &ai->flags);
2348 writeConfigRid (ai, 1);
2349 enable_MAC(ai, &rsp, 1);
2350 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2352 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2356 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2358 if ((new_mtu < 68) || (new_mtu > 2400))
2364 static LIST_HEAD(airo_devices);
2366 static void add_airo_dev(struct airo_info *ai)
2368 /* Upper layers already keep track of PCI devices,
2369 * so we only need to remember our non-PCI cards. */
2371 list_add_tail(&ai->dev_list, &airo_devices);
2374 static void del_airo_dev(struct airo_info *ai)
2377 list_del(&ai->dev_list);
2380 static int airo_close(struct net_device *dev) {
2381 struct airo_info *ai = dev->priv;
2383 netif_stop_queue(dev);
2385 if (ai->wifidev != dev) {
2386 #ifdef POWER_ON_DOWN
2387 /* Shut power to the card. The idea is that the user can save
2388 * power when he doesn't need the card with "ifconfig down".
2389 * That's the method that is most friendly towards the network
2390 * stack (i.e. the network stack won't try to broadcast
2391 * anything on the interface and routes are gone. Jean II */
2392 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2395 disable_interrupts( ai );
2400 void stop_airo_card( struct net_device *dev, int freeres )
2402 struct airo_info *ai = dev->priv;
2404 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2406 disable_interrupts(ai);
2407 free_irq( dev->irq, dev );
2408 takedown_proc_entry( dev, ai );
2409 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2410 unregister_netdev( dev );
2412 unregister_netdev(ai->wifidev);
2413 free_netdev(ai->wifidev);
2416 clear_bit(FLAG_REGISTERED, &ai->flags);
2418 set_bit(JOB_DIE, &ai->jobs);
2419 kthread_stop(ai->airo_thread_task);
2422 * Clean out tx queue
2424 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2425 struct sk_buff *skb = NULL;
2426 for (;(skb = skb_dequeue(&ai->txq));)
2430 airo_networks_free (ai);
2437 /* PCMCIA frees this stuff, so only for PCI and ISA */
2438 release_region( dev->base_addr, 64 );
2439 if (test_bit(FLAG_MPI, &ai->flags)) {
2441 mpi_unmap_card(ai->pci);
2443 iounmap(ai->pcimem);
2445 iounmap(ai->pciaux);
2446 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2447 ai->shared, ai->shared_dma);
2450 crypto_free_cipher(ai->tfm);
2455 EXPORT_SYMBOL(stop_airo_card);
2457 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2459 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2463 static void mpi_unmap_card(struct pci_dev *pci)
2465 unsigned long mem_start = pci_resource_start(pci, 1);
2466 unsigned long mem_len = pci_resource_len(pci, 1);
2467 unsigned long aux_start = pci_resource_start(pci, 2);
2468 unsigned long aux_len = AUXMEMSIZE;
2470 release_mem_region(aux_start, aux_len);
2471 release_mem_region(mem_start, mem_len);
2474 /*************************************************************
2475 * This routine assumes that descriptors have been setup .
2476 * Run at insmod time or after reset when the decriptors
2477 * have been initialized . Returns 0 if all is well nz
2478 * otherwise . Does not allocate memory but sets up card
2479 * using previously allocated descriptors.
2481 static int mpi_init_descriptors (struct airo_info *ai)
2488 /* Alloc card RX descriptors */
2489 netif_stop_queue(ai->dev);
2491 memset(&rsp,0,sizeof(rsp));
2492 memset(&cmd,0,sizeof(cmd));
2494 cmd.cmd = CMD_ALLOCATEAUX;
2496 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2497 cmd.parm2 = MPI_MAX_FIDS;
2498 rc=issuecommand(ai, &cmd, &rsp);
2499 if (rc != SUCCESS) {
2500 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2504 for (i=0; i<MPI_MAX_FIDS; i++) {
2505 memcpy_toio(ai->rxfids[i].card_ram_off,
2506 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2509 /* Alloc card TX descriptors */
2511 memset(&rsp,0,sizeof(rsp));
2512 memset(&cmd,0,sizeof(cmd));
2514 cmd.cmd = CMD_ALLOCATEAUX;
2516 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2517 cmd.parm2 = MPI_MAX_FIDS;
2519 for (i=0; i<MPI_MAX_FIDS; i++) {
2520 ai->txfids[i].tx_desc.valid = 1;
2521 memcpy_toio(ai->txfids[i].card_ram_off,
2522 &ai->txfids[i].tx_desc, sizeof(TxFid));
2524 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2526 rc=issuecommand(ai, &cmd, &rsp);
2527 if (rc != SUCCESS) {
2528 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2532 /* Alloc card Rid descriptor */
2533 memset(&rsp,0,sizeof(rsp));
2534 memset(&cmd,0,sizeof(cmd));
2536 cmd.cmd = CMD_ALLOCATEAUX;
2538 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2539 cmd.parm2 = 1; /* Magic number... */
2540 rc=issuecommand(ai, &cmd, &rsp);
2541 if (rc != SUCCESS) {
2542 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2546 memcpy_toio(ai->config_desc.card_ram_off,
2547 &ai->config_desc.rid_desc, sizeof(Rid));
2553 * We are setting up three things here:
2554 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2555 * 2) Map PCI memory for issueing commands.
2556 * 3) Allocate memory (shared) to send and receive ethernet frames.
2558 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2561 unsigned long mem_start, mem_len, aux_start, aux_len;
2564 dma_addr_t busaddroff;
2565 unsigned char *vpackoff;
2566 unsigned char __iomem *pciaddroff;
2568 mem_start = pci_resource_start(pci, 1);
2569 mem_len = pci_resource_len(pci, 1);
2570 aux_start = pci_resource_start(pci, 2);
2571 aux_len = AUXMEMSIZE;
2573 if (!request_mem_region(mem_start, mem_len, name)) {
2574 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2575 (int)mem_start, (int)mem_len, name);
2578 if (!request_mem_region(aux_start, aux_len, name)) {
2579 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2580 (int)aux_start, (int)aux_len, name);
2584 ai->pcimem = ioremap(mem_start, mem_len);
2586 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2587 (int)mem_start, (int)mem_len, name);
2590 ai->pciaux = ioremap(aux_start, aux_len);
2592 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2593 (int)aux_start, (int)aux_len, name);
2597 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2598 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2600 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2606 * Setup descriptor RX, TX, CONFIG
2608 busaddroff = ai->shared_dma;
2609 pciaddroff = ai->pciaux + AUX_OFFSET;
2610 vpackoff = ai->shared;
2612 /* RX descriptor setup */
2613 for(i = 0; i < MPI_MAX_FIDS; i++) {
2614 ai->rxfids[i].pending = 0;
2615 ai->rxfids[i].card_ram_off = pciaddroff;
2616 ai->rxfids[i].virtual_host_addr = vpackoff;
2617 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2618 ai->rxfids[i].rx_desc.valid = 1;
2619 ai->rxfids[i].rx_desc.len = PKTSIZE;
2620 ai->rxfids[i].rx_desc.rdy = 0;
2622 pciaddroff += sizeof(RxFid);
2623 busaddroff += PKTSIZE;
2624 vpackoff += PKTSIZE;
2627 /* TX descriptor setup */
2628 for(i = 0; i < MPI_MAX_FIDS; i++) {
2629 ai->txfids[i].card_ram_off = pciaddroff;
2630 ai->txfids[i].virtual_host_addr = vpackoff;
2631 ai->txfids[i].tx_desc.valid = 1;
2632 ai->txfids[i].tx_desc.host_addr = busaddroff;
2633 memcpy(ai->txfids[i].virtual_host_addr,
2634 &wifictlhdr8023, sizeof(wifictlhdr8023));
2636 pciaddroff += sizeof(TxFid);
2637 busaddroff += PKTSIZE;
2638 vpackoff += PKTSIZE;
2640 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2642 /* Rid descriptor setup */
2643 ai->config_desc.card_ram_off = pciaddroff;
2644 ai->config_desc.virtual_host_addr = vpackoff;
2645 ai->config_desc.rid_desc.host_addr = busaddroff;
2646 ai->ridbus = busaddroff;
2647 ai->config_desc.rid_desc.rid = 0;
2648 ai->config_desc.rid_desc.len = RIDSIZE;
2649 ai->config_desc.rid_desc.valid = 1;
2650 pciaddroff += sizeof(Rid);
2651 busaddroff += RIDSIZE;
2652 vpackoff += RIDSIZE;
2654 /* Tell card about descriptors */
2655 if (mpi_init_descriptors (ai) != SUCCESS)
2660 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2662 iounmap(ai->pciaux);
2664 iounmap(ai->pcimem);
2666 release_mem_region(aux_start, aux_len);
2668 release_mem_region(mem_start, mem_len);
2673 static void wifi_setup(struct net_device *dev)
2675 dev->hard_header = NULL;
2676 dev->rebuild_header = NULL;
2677 dev->hard_header_cache = NULL;
2678 dev->header_cache_update= NULL;
2680 dev->hard_header_parse = wll_header_parse;
2681 dev->hard_start_xmit = &airo_start_xmit11;
2682 dev->get_stats = &airo_get_stats;
2683 dev->set_mac_address = &airo_set_mac_address;
2684 dev->do_ioctl = &airo_ioctl;
2685 dev->wireless_handlers = &airo_handler_def;
2686 dev->change_mtu = &airo_change_mtu;
2687 dev->open = &airo_open;
2688 dev->stop = &airo_close;
2690 dev->type = ARPHRD_IEEE80211;
2691 dev->hard_header_len = ETH_HLEN;
2692 dev->mtu = AIRO_DEF_MTU;
2693 dev->addr_len = ETH_ALEN;
2694 dev->tx_queue_len = 100;
2696 memset(dev->broadcast,0xFF, ETH_ALEN);
2698 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2701 static struct net_device *init_wifidev(struct airo_info *ai,
2702 struct net_device *ethdev)
2705 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2708 dev->priv = ethdev->priv;
2709 dev->irq = ethdev->irq;
2710 dev->base_addr = ethdev->base_addr;
2711 dev->wireless_data = ethdev->wireless_data;
2712 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2713 err = register_netdev(dev);
2721 static int reset_card( struct net_device *dev , int lock) {
2722 struct airo_info *ai = dev->priv;
2724 if (lock && down_interruptible(&ai->sem))
2727 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2736 #define AIRO_MAX_NETWORK_COUNT 64
2737 static int airo_networks_allocate(struct airo_info *ai)
2743 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2745 if (!ai->networks) {
2746 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2753 static void airo_networks_free(struct airo_info *ai)
2755 kfree(ai->networks);
2756 ai->networks = NULL;
2759 static void airo_networks_initialize(struct airo_info *ai)
2763 INIT_LIST_HEAD(&ai->network_free_list);
2764 INIT_LIST_HEAD(&ai->network_list);
2765 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2766 list_add_tail(&ai->networks[i].list,
2767 &ai->network_free_list);
2770 static int airo_test_wpa_capable(struct airo_info *ai)
2773 CapabilityRid cap_rid;
2774 const char *name = ai->dev->name;
2776 status = readCapabilityRid(ai, &cap_rid, 1);
2777 if (status != SUCCESS) return 0;
2779 /* Only firmware versions 5.30.17 or better can do WPA */
2780 if ((cap_rid.softVer > 0x530)
2781 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2782 airo_print_info(name, "WPA is supported.");
2786 /* No WPA support */
2787 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2788 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2792 static struct net_device *_init_airo_card( unsigned short irq, int port,
2793 int is_pcmcia, struct pci_dev *pci,
2794 struct device *dmdev )
2796 struct net_device *dev;
2797 struct airo_info *ai;
2800 /* Create the network device object. */
2801 dev = alloc_etherdev(sizeof(*ai));
2803 airo_print_err("", "Couldn't alloc_etherdev");
2806 if (dev_alloc_name(dev, dev->name) < 0) {
2807 airo_print_err("", "Couldn't get name!");
2816 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2817 airo_print_dbg(dev->name, "Found an MPI350 card");
2818 set_bit(FLAG_MPI, &ai->flags);
2820 spin_lock_init(&ai->aux_lock);
2821 sema_init(&ai->sem, 1);
2824 init_waitqueue_head (&ai->thr_wait);
2825 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2826 if (IS_ERR(ai->airo_thread_task))
2831 if (airo_networks_allocate (ai))
2833 airo_networks_initialize (ai);
2835 /* The Airo-specific entries in the device structure. */
2836 if (test_bit(FLAG_MPI,&ai->flags)) {
2837 skb_queue_head_init (&ai->txq);
2838 dev->hard_start_xmit = &mpi_start_xmit;
2840 dev->hard_start_xmit = &airo_start_xmit;
2841 dev->get_stats = &airo_get_stats;
2842 dev->set_multicast_list = &airo_set_multicast_list;
2843 dev->set_mac_address = &airo_set_mac_address;
2844 dev->do_ioctl = &airo_ioctl;
2845 dev->wireless_handlers = &airo_handler_def;
2846 ai->wireless_data.spy_data = &ai->spy_data;
2847 dev->wireless_data = &ai->wireless_data;
2848 dev->change_mtu = &airo_change_mtu;
2849 dev->open = &airo_open;
2850 dev->stop = &airo_close;
2852 dev->base_addr = port;
2854 SET_NETDEV_DEV(dev, dmdev);
2856 reset_card (dev, 1);
2859 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2861 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2866 if (!request_region( dev->base_addr, 64, dev->name )) {
2868 airo_print_err(dev->name, "Couldn't request region");
2873 if (test_bit(FLAG_MPI,&ai->flags)) {
2874 if (mpi_map_card(ai, pci, dev->name)) {
2875 airo_print_err(dev->name, "Could not map memory");
2881 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2882 airo_print_err(dev->name, "MAC could not be enabled" );
2886 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2887 ai->bap_read = fast_bap_read;
2888 set_bit(FLAG_FLASHING, &ai->flags);
2891 /* Test for WPA support */
2892 if (airo_test_wpa_capable(ai)) {
2893 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2894 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2895 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2896 ai->bssListRidLen = sizeof(BSSListRid);
2898 ai->bssListFirst = RID_BSSLISTFIRST;
2899 ai->bssListNext = RID_BSSLISTNEXT;
2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2903 rc = register_netdev(dev);
2905 airo_print_err(dev->name, "Couldn't register_netdev");
2908 ai->wifidev = init_wifidev(ai, dev);
2912 set_bit(FLAG_REGISTERED,&ai->flags);
2913 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2914 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2915 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2917 /* Allocate the transmit buffers */
2918 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2919 for( i = 0; i < MAX_FIDS; i++ )
2920 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2922 if (setup_proc_entry(dev, dev->priv) < 0)
2925 netif_start_queue(dev);
2926 SET_MODULE_OWNER(dev);
2930 unregister_netdev(ai->wifidev);
2931 free_netdev(ai->wifidev);
2933 unregister_netdev(dev);
2935 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2936 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2937 iounmap(ai->pciaux);
2938 iounmap(ai->pcimem);
2939 mpi_unmap_card(ai->pci);
2943 release_region( dev->base_addr, 64 );
2945 free_irq(dev->irq, dev);
2947 airo_networks_free(ai);
2950 set_bit(JOB_DIE, &ai->jobs);
2951 kthread_stop(ai->airo_thread_task);
2957 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2958 struct device *dmdev)
2960 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2963 EXPORT_SYMBOL(init_airo_card);
2965 static int waitbusy (struct airo_info *ai) {
2967 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2969 if ((++delay % 20) == 0)
2970 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2972 return delay < 10000;
2975 int reset_airo_card( struct net_device *dev )
2978 struct airo_info *ai = dev->priv;
2980 if (reset_card (dev, 1))
2983 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2984 airo_print_err(dev->name, "MAC could not be enabled");
2987 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2988 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2989 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2990 /* Allocate the transmit buffers if needed */
2991 if (!test_bit(FLAG_MPI,&ai->flags))
2992 for( i = 0; i < MAX_FIDS; i++ )
2993 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2995 enable_interrupts( ai );
2996 netif_wake_queue(dev);
3000 EXPORT_SYMBOL(reset_airo_card);
3002 static void airo_send_event(struct net_device *dev) {
3003 struct airo_info *ai = dev->priv;
3004 union iwreq_data wrqu;
3005 StatusRid status_rid;
3007 clear_bit(JOB_EVENT, &ai->jobs);
3008 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3010 wrqu.data.length = 0;
3011 wrqu.data.flags = 0;
3012 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3013 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3015 /* Send event to user space */
3016 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3019 static void airo_process_scan_results (struct airo_info *ai) {
3020 union iwreq_data wrqu;
3023 BSSListElement * loop_net;
3024 BSSListElement * tmp_net;
3026 /* Blow away current list of scan results */
3027 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3028 list_move_tail (&loop_net->list, &ai->network_free_list);
3029 /* Don't blow away ->list, just BSS data */
3030 memset (loop_net, 0, sizeof (loop_net->bss));
3033 /* Try to read the first entry of the scan result */
3034 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3035 if((rc) || (bss.index == 0xffff)) {
3036 /* No scan results */
3040 /* Read and parse all entries */
3042 while((!rc) && (bss.index != 0xffff)) {
3043 /* Grab a network off the free list */
3044 if (!list_empty(&ai->network_free_list)) {
3045 tmp_net = list_entry(ai->network_free_list.next,
3046 BSSListElement, list);
3047 list_del(ai->network_free_list.next);
3050 if (tmp_net != NULL) {
3051 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3052 list_add_tail(&tmp_net->list, &ai->network_list);
3056 /* Read next entry */
3057 rc = PC4500_readrid(ai, ai->bssListNext,
3058 &bss, ai->bssListRidLen, 0);
3062 ai->scan_timeout = 0;
3063 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3066 /* Send an empty event to user space.
3067 * We don't send the received data on
3068 * the event because it would require
3069 * us to do complex transcoding, and
3070 * we want to minimise the work done in
3071 * the irq handler. Use a request to
3072 * extract the data - Jean II */
3073 wrqu.data.length = 0;
3074 wrqu.data.flags = 0;
3075 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3078 static int airo_thread(void *data) {
3079 struct net_device *dev = data;
3080 struct airo_info *ai = dev->priv;
3084 /* make swsusp happy with our thread */
3087 if (test_bit(JOB_DIE, &ai->jobs))
3091 locked = down_interruptible(&ai->sem);
3095 init_waitqueue_entry(&wait, current);
3096 add_wait_queue(&ai->thr_wait, &wait);
3098 set_current_state(TASK_INTERRUPTIBLE);
3101 if (ai->expires || ai->scan_timeout) {
3102 if (ai->scan_timeout &&
3103 time_after_eq(jiffies,ai->scan_timeout)){
3104 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3106 } else if (ai->expires &&
3107 time_after_eq(jiffies,ai->expires)){
3108 set_bit(JOB_AUTOWEP, &ai->jobs);
3111 if (!kthread_should_stop() &&
3112 !freezing(current)) {
3113 unsigned long wake_at;
3114 if (!ai->expires || !ai->scan_timeout) {
3115 wake_at = max(ai->expires,
3118 wake_at = min(ai->expires,
3121 schedule_timeout(wake_at - jiffies);
3124 } else if (!kthread_should_stop() &&
3125 !freezing(current)) {
3131 current->state = TASK_RUNNING;
3132 remove_wait_queue(&ai->thr_wait, &wait);
3139 if (test_bit(JOB_DIE, &ai->jobs)) {
3144 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3149 if (test_bit(JOB_XMIT, &ai->jobs))
3151 else if (test_bit(JOB_XMIT11, &ai->jobs))
3152 airo_end_xmit11(dev);
3153 else if (test_bit(JOB_STATS, &ai->jobs))
3154 airo_read_stats(ai);
3155 else if (test_bit(JOB_WSTATS, &ai->jobs))
3156 airo_read_wireless_stats(ai);
3157 else if (test_bit(JOB_PROMISC, &ai->jobs))
3158 airo_set_promisc(ai);
3159 else if (test_bit(JOB_MIC, &ai->jobs))
3161 else if (test_bit(JOB_EVENT, &ai->jobs))
3162 airo_send_event(dev);
3163 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3165 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3166 airo_process_scan_results(ai);
3167 else /* Shouldn't get here, but we make sure to unlock */
3174 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3175 struct net_device *dev = (struct net_device *)dev_id;
3178 struct airo_info *apriv = dev->priv;
3179 u16 savedInterrupts = 0;
3182 if (!netif_device_present(dev))
3186 status = IN4500( apriv, EVSTAT );
3187 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3191 if ( status & EV_AWAKE ) {
3192 OUT4500( apriv, EVACK, EV_AWAKE );
3193 OUT4500( apriv, EVACK, EV_AWAKE );
3196 if (!savedInterrupts) {
3197 savedInterrupts = IN4500( apriv, EVINTEN );
3198 OUT4500( apriv, EVINTEN, 0 );
3201 if ( status & EV_MIC ) {
3202 OUT4500( apriv, EVACK, EV_MIC );
3203 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3204 set_bit(JOB_MIC, &apriv->jobs);
3205 wake_up_interruptible(&apriv->thr_wait);
3208 if ( status & EV_LINK ) {
3209 union iwreq_data wrqu;
3210 int scan_forceloss = 0;
3211 /* The link status has changed, if you want to put a
3212 monitor hook in, do it here. (Remember that
3213 interrupts are still disabled!)
3215 u16 newStatus = IN4500(apriv, LINKSTAT);
3216 OUT4500( apriv, EVACK, EV_LINK);
3217 /* Here is what newStatus means: */
3218 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3219 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3220 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3221 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3222 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3223 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3224 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3225 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3227 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3229 #define ASSOCIATED 0x0400 /* Associated */
3230 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3231 #define RC_RESERVED 0 /* Reserved return code */
3232 #define RC_NOREASON 1 /* Unspecified reason */
3233 #define RC_AUTHINV 2 /* Previous authentication invalid */
3234 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3236 #define RC_NOACT 4 /* Disassociated due to inactivity */
3237 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3238 all currently associated stations */
3239 #define RC_BADCLASS2 6 /* Class 2 frame received from
3240 non-Authenticated station */
3241 #define RC_BADCLASS3 7 /* Class 3 frame received from
3242 non-Associated station */
3243 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3245 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3246 Authenticated with the responding station */
3247 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3249 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3252 if (apriv->list_bss_task)
3253 wake_up_process(apriv->list_bss_task);
3254 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3255 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3257 if (down_trylock(&apriv->sem) != 0) {
3258 set_bit(JOB_EVENT, &apriv->jobs);
3259 wake_up_interruptible(&apriv->thr_wait);
3261 airo_send_event(dev);
3262 } else if (!scan_forceloss) {
3263 if (auto_wep && !apriv->expires) {
3264 apriv->expires = RUN_AT(3*HZ);
3265 wake_up_interruptible(&apriv->thr_wait);
3268 /* Send event to user space */
3269 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3270 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3271 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3275 /* Check to see if there is something to receive */
3276 if ( status & EV_RX ) {
3277 struct sk_buff *skb = NULL;
3278 u16 fc, len, hdrlen = 0;
3292 if (test_bit(FLAG_MPI,&apriv->flags)) {
3293 if (test_bit(FLAG_802_11, &apriv->flags))
3294 mpi_receive_802_11(apriv);
3296 mpi_receive_802_3(apriv);
3297 OUT4500(apriv, EVACK, EV_RX);
3301 fid = IN4500( apriv, RXFID );
3303 /* Get the packet length */
3304 if (test_bit(FLAG_802_11, &apriv->flags)) {
3305 bap_setup (apriv, fid, 4, BAP0);
3306 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3307 /* Bad CRC. Ignore packet */
3308 if (le16_to_cpu(hdr.status) & 2)
3310 if (apriv->wifidev == NULL)
3313 bap_setup (apriv, fid, 0x36, BAP0);
3314 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3316 len = le16_to_cpu(hdr.len);
3318 if (len > AIRO_DEF_MTU) {
3319 airo_print_err(apriv->dev->name, "Bad size %d", len);
3325 if (test_bit(FLAG_802_11, &apriv->flags)) {
3326 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3327 fc = le16_to_cpu(fc);
3330 if ((fc & 0xe0) == 0xc0)
3336 if ((fc&0x300)==0x300){
3344 hdrlen = ETH_ALEN * 2;
3346 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3348 apriv->stats.rx_dropped++;
3351 skb_reserve(skb, 2); /* This way the IP header is aligned */
3352 buffer = (u16*)skb_put (skb, len + hdrlen);
3353 if (test_bit(FLAG_802_11, &apriv->flags)) {
3355 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3357 bap_read (apriv, tmpbuf, 6, BAP0);
3359 bap_read (apriv, &gap, sizeof(gap), BAP0);
3360 gap = le16_to_cpu(gap);
3363 bap_read (apriv, tmpbuf, gap, BAP0);
3365 airo_print_err(apriv->dev->name, "gaplen too "
3366 "big. Problems will follow...");
3369 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3372 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3373 if (apriv->micstats.enabled) {
3374 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3375 if (ntohs(micbuf.typelen) > 0x05DC)
3376 bap_setup (apriv, fid, 0x44, BAP0);
3378 if (len <= sizeof(micbuf))
3381 len -= sizeof(micbuf);
3382 skb_trim (skb, len + hdrlen);
3385 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3386 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3388 dev_kfree_skb_irq (skb);
3390 OUT4500( apriv, EVACK, EV_RX);
3395 if (apriv->spy_data.spy_number > 0) {
3397 struct iw_quality wstats;
3398 /* Prepare spy data : addr + qual */
3399 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3400 sa = (char*)buffer + 6;
3401 bap_setup (apriv, fid, 8, BAP0);
3402 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3404 sa = (char*)buffer + 10;
3405 wstats.qual = hdr.rssi[0];
3407 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3409 wstats.level = (hdr.rssi[1] + 321) / 2;
3410 wstats.noise = apriv->wstats.qual.noise;
3411 wstats.updated = IW_QUAL_LEVEL_UPDATED
3412 | IW_QUAL_QUAL_UPDATED
3414 /* Update spy records */
3415 wireless_spy_update(dev, sa, &wstats);
3417 #endif /* WIRELESS_SPY */
3418 OUT4500( apriv, EVACK, EV_RX);
3420 if (test_bit(FLAG_802_11, &apriv->flags)) {
3421 skb_reset_mac_header(skb);
3422 skb->pkt_type = PACKET_OTHERHOST;
3423 skb->dev = apriv->wifidev;
3424 skb->protocol = htons(ETH_P_802_2);
3426 skb->protocol = eth_type_trans(skb,dev);
3427 skb->dev->last_rx = jiffies;
3428 skb->ip_summed = CHECKSUM_NONE;
3434 /* Check to see if a packet has been transmitted */
3435 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3440 if (test_bit(FLAG_MPI,&apriv->flags)) {
3441 unsigned long flags;
3443 if (status & EV_TXEXC)
3444 get_tx_error(apriv, -1);
3445 spin_lock_irqsave(&apriv->aux_lock, flags);
3446 if (!skb_queue_empty(&apriv->txq)) {
3447 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3448 mpi_send_packet (dev);
3450 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3451 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3452 netif_wake_queue (dev);
3454 OUT4500( apriv, EVACK,
3455 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3459 fid = IN4500(apriv, TXCOMPLFID);
3461 for( i = 0; i < MAX_FIDS; i++ ) {
3462 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3463 len = apriv->fids[i] >> 16;
3468 if (status & EV_TXEXC)
3469 get_tx_error(apriv, index);
3470 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3471 /* Set up to be used again */
3472 apriv->fids[index] &= 0xffff;
3473 if (index < MAX_FIDS / 2) {
3474 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3475 netif_wake_queue(dev);
3477 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3478 netif_wake_queue(apriv->wifidev);
3481 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3482 airo_print_err(apriv->dev->name, "Unallocated FID was "
3487 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3488 airo_print_warn(apriv->dev->name, "Got weird status %x",
3489 status & ~STATUS_INTS & ~IGNORE_INTS );
3492 if (savedInterrupts)
3493 OUT4500( apriv, EVINTEN, savedInterrupts );
3496 return IRQ_RETVAL(handled);
3500 * Routines to talk to the card
3504 * This was originally written for the 4500, hence the name
3505 * NOTE: If use with 8bit mode and SMP bad things will happen!
3506 * Why would some one do 8 bit IO in an SMP machine?!?
3508 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3509 if (test_bit(FLAG_MPI,&ai->flags))
3512 outw( val, ai->dev->base_addr + reg );
3514 outb( val & 0xff, ai->dev->base_addr + reg );
3515 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3519 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3522 if (test_bit(FLAG_MPI,&ai->flags))
3525 rc = inw( ai->dev->base_addr + reg );
3527 rc = inb( ai->dev->base_addr + reg );
3528 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3533 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3537 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3538 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3539 * Note : we could try to use !netif_running(dev) in enable_MAC()
3540 * instead of this flag, but I don't trust it *within* the
3541 * open/close functions, and testing both flags together is
3542 * "cheaper" - Jean II */
3543 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3545 if (lock && down_interruptible(&ai->sem))
3546 return -ERESTARTSYS;
3548 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3549 memset(&cmd, 0, sizeof(cmd));
3550 cmd.cmd = MAC_ENABLE;
3551 rc = issuecommand(ai, &cmd, rsp);
3553 set_bit(FLAG_ENABLED, &ai->flags);
3561 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3566 static void disable_MAC( struct airo_info *ai, int lock ) {
3570 if (lock && down_interruptible(&ai->sem))
3573 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3574 memset(&cmd, 0, sizeof(cmd));
3575 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3576 issuecommand(ai, &cmd, &rsp);
3577 clear_bit(FLAG_ENABLED, &ai->flags);
3583 static void enable_interrupts( struct airo_info *ai ) {
3584 /* Enable the interrupts */
3585 OUT4500( ai, EVINTEN, STATUS_INTS );
3588 static void disable_interrupts( struct airo_info *ai ) {
3589 OUT4500( ai, EVINTEN, 0 );
3592 static void mpi_receive_802_3(struct airo_info *ai)
3596 struct sk_buff *skb;
3601 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3602 /* Make sure we got something */
3603 if (rxd.rdy && rxd.valid == 0) {
3605 if (len < 12 || len > 2048)
3608 skb = dev_alloc_skb(len);
3610 ai->stats.rx_dropped++;
3613 buffer = skb_put(skb,len);
3614 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3615 if (ai->micstats.enabled) {
3617 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3619 if (ntohs(micbuf.typelen) <= 0x05DC) {
3620 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3623 off = sizeof(micbuf);
3624 skb_trim (skb, len - off);
3627 memcpy(buffer + ETH_ALEN * 2,
3628 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3629 len - ETH_ALEN * 2 - off);
3630 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3632 dev_kfree_skb_irq (skb);
3636 if (ai->spy_data.spy_number > 0) {
3638 struct iw_quality wstats;
3639 /* Prepare spy data : addr + qual */
3640 sa = buffer + ETH_ALEN;
3641 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3644 /* Update spy records */
3645 wireless_spy_update(ai->dev, sa, &wstats);
3647 #endif /* WIRELESS_SPY */
3649 skb->ip_summed = CHECKSUM_NONE;
3650 skb->protocol = eth_type_trans(skb, ai->dev);
3651 skb->dev->last_rx = jiffies;
3655 if (rxd.valid == 0) {
3659 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3663 void mpi_receive_802_11 (struct airo_info *ai)
3666 struct sk_buff *skb = NULL;
3667 u16 fc, len, hdrlen = 0;
3679 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3681 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3682 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3684 /* Bad CRC. Ignore packet */
3685 if (le16_to_cpu(hdr.status) & 2)
3687 if (ai->wifidev == NULL)
3689 len = le16_to_cpu(hdr.len);
3690 if (len > AIRO_DEF_MTU) {
3691 airo_print_err(ai->dev->name, "Bad size %d", len);
3697 memcpy ((char *)&fc, ptr, sizeof(fc));
3698 fc = le16_to_cpu(fc);
3701 if ((fc & 0xe0) == 0xc0)
3707 if ((fc&0x300)==0x300){
3715 skb = dev_alloc_skb( len + hdrlen + 2 );
3717 ai->stats.rx_dropped++;
3720 buffer = (u16*)skb_put (skb, len + hdrlen);
3721 memcpy ((char *)buffer, ptr, hdrlen);
3725 memcpy ((char *)&gap, ptr, sizeof(gap));
3727 gap = le16_to_cpu(gap);
3732 airo_print_err(ai->dev->name,
3733 "gaplen too big. Problems will follow...");
3735 memcpy ((char *)buffer + hdrlen, ptr, len);
3737 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3738 if (ai->spy_data.spy_number > 0) {
3740 struct iw_quality wstats;
3741 /* Prepare spy data : addr + qual */
3742 sa = (char*)buffer + 10;
3743 wstats.qual = hdr.rssi[0];
3745 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3747 wstats.level = (hdr.rssi[1] + 321) / 2;
3748 wstats.noise = ai->wstats.qual.noise;
3749 wstats.updated = IW_QUAL_QUAL_UPDATED
3750 | IW_QUAL_LEVEL_UPDATED
3752 /* Update spy records */
3753 wireless_spy_update(ai->dev, sa, &wstats);
3755 #endif /* IW_WIRELESS_SPY */
3756 skb_reset_mac_header(skb);
3757 skb->pkt_type = PACKET_OTHERHOST;
3758 skb->dev = ai->wifidev;
3759 skb->protocol = htons(ETH_P_802_2);
3760 skb->dev->last_rx = jiffies;
3761 skb->ip_summed = CHECKSUM_NONE;
3764 if (rxd.valid == 0) {
3768 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3772 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3783 memset( &mySsid, 0, sizeof( mySsid ) );
3787 /* The NOP is the first step in getting the card going */
3789 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3790 if (lock && down_interruptible(&ai->sem))
3792 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3797 disable_MAC( ai, 0);
3799 // Let's figure out if we need to use the AUX port
3800 if (!test_bit(FLAG_MPI,&ai->flags)) {
3801 cmd.cmd = CMD_ENABLEAUX;
3802 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3805 airo_print_err(ai->dev->name, "Error checking for AUX port");
3808 if (!aux_bap || rsp.status & 0xff00) {
3809 ai->bap_read = fast_bap_read;
3810 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3812 ai->bap_read = aux_bap_read;
3813 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3818 if (ai->config.len == 0) {
3819 tdsRssiRid rssi_rid;
3820 CapabilityRid cap_rid;
3826 // general configuration (read/modify/write)
3827 status = readConfigRid(ai, lock);
3828 if ( status != SUCCESS ) return ERROR;
3830 status = readCapabilityRid(ai, &cap_rid, lock);
3831 if ( status != SUCCESS ) return ERROR;
3833 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3834 if ( status == SUCCESS ) {
3835 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3836 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3841 if (cap_rid.softCap & 8)
3842 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3844 airo_print_warn(ai->dev->name, "unknown received signal "
3847 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3848 ai->config.authType = AUTH_OPEN;
3849 ai->config.modulation = MOD_CCK;
3851 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3852 (micsetup(ai) == SUCCESS)) {
3853 ai->config.opmode |= MODE_MIC;
3854 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3857 /* Save off the MAC */
3858 for( i = 0; i < ETH_ALEN; i++ ) {
3859 mac[i] = ai->config.macAddr[i];
3862 /* Check to see if there are any insmod configured
3866 memset(ai->config.rates,0,sizeof(ai->config.rates));
3867 for( i = 0; i < 8 && rates[i]; i++ ) {
3868 ai->config.rates[i] = rates[i];
3871 if ( basic_rate > 0 ) {
3873 for( i = 0; i < 8; i++ ) {
3874 if ( ai->config.rates[i] == basic_rate ||
3875 !ai->config.rates ) {
3876 ai->config.rates[i] = basic_rate | 0x80;
3881 set_bit (FLAG_COMMIT, &ai->flags);
3884 /* Setup the SSIDs if present */
3887 for( i = 0; i < 3 && ssids[i]; i++ ) {
3888 mySsid.ssids[i].len = strlen(ssids[i]);
3889 if ( mySsid.ssids[i].len > 32 )
3890 mySsid.ssids[i].len = 32;
3891 memcpy(mySsid.ssids[i].ssid, ssids[i],
3892 mySsid.ssids[i].len);
3894 mySsid.len = sizeof(mySsid);
3897 status = writeConfigRid(ai, lock);
3898 if ( status != SUCCESS ) return ERROR;
3900 /* Set up the SSID list */
3902 status = writeSsidRid(ai, &mySsid, lock);
3903 if ( status != SUCCESS ) return ERROR;
3906 status = enable_MAC(ai, &rsp, lock);
3907 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3908 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3909 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3913 /* Grab the initial wep key, we gotta save it for auto_wep */
3914 rc = readWepKeyRid(ai, &wkr, 1, lock);
3915 if (rc == SUCCESS) do {
3916 lastindex = wkr.kindex;
3917 if (wkr.kindex == 0xffff) {
3918 ai->defindex = wkr.mac[0];
3920 rc = readWepKeyRid(ai, &wkr, 0, lock);
3921 } while(lastindex != wkr.kindex);
3924 ai->expires = RUN_AT(3*HZ);
3925 wake_up_interruptible(&ai->thr_wait);
3931 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3932 // Im really paranoid about letting it run forever!
3933 int max_tries = 600000;
3935 if (IN4500(ai, EVSTAT) & EV_CMD)
3936 OUT4500(ai, EVACK, EV_CMD);
3938 OUT4500(ai, PARAM0, pCmd->parm0);
3939 OUT4500(ai, PARAM1, pCmd->parm1);
3940 OUT4500(ai, PARAM2, pCmd->parm2);
3941 OUT4500(ai, COMMAND, pCmd->cmd);
3943 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3944 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3945 // PC4500 didn't notice command, try again
3946 OUT4500(ai, COMMAND, pCmd->cmd);
3947 if (!in_atomic() && (max_tries & 255) == 0)
3951 if ( max_tries == -1 ) {
3952 airo_print_err(ai->dev->name,
3953 "Max tries exceeded when issueing command");
3954 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3959 // command completed
3960 pRsp->status = IN4500(ai, STATUS);
3961 pRsp->rsp0 = IN4500(ai, RESP0);
3962 pRsp->rsp1 = IN4500(ai, RESP1);
3963 pRsp->rsp2 = IN4500(ai, RESP2);
3964 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3965 airo_print_err(ai->dev->name,
3966 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3967 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3970 // clear stuck command busy if necessary
3971 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3972 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3974 // acknowledge processing the status/response
3975 OUT4500(ai, EVACK, EV_CMD);
3980 /* Sets up the bap to start exchange data. whichbap should
3981 * be one of the BAP0 or BAP1 defines. Locks should be held before
3983 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3988 OUT4500(ai, SELECT0+whichbap, rid);
3989 OUT4500(ai, OFFSET0+whichbap, offset);
3991 int status = IN4500(ai, OFFSET0+whichbap);
3992 if (status & BAP_BUSY) {
3993 /* This isn't really a timeout, but its kinda
3998 } else if ( status & BAP_ERR ) {
3999 /* invalid rid or offset */
4000 airo_print_err(ai->dev->name, "BAP error %x %d",
4003 } else if (status & BAP_DONE) { // success
4006 if ( !(max_tries--) ) {
4007 airo_print_err(ai->dev->name,
4008 "airo: BAP setup error too many retries\n");
4011 // -- PC4500 missed it, try again
4012 OUT4500(ai, SELECT0+whichbap, rid);
4013 OUT4500(ai, OFFSET0+whichbap, offset);
4018 /* should only be called by aux_bap_read. This aux function and the
4019 following use concepts not documented in the developers guide. I
4020 got them from a patch given to my by Aironet */
4021 static u16 aux_setup(struct airo_info *ai, u16 page,
4022 u16 offset, u16 *len)
4026 OUT4500(ai, AUXPAGE, page);
4027 OUT4500(ai, AUXOFF, 0);
4028 next = IN4500(ai, AUXDATA);
4029 *len = IN4500(ai, AUXDATA)&0xff;
4030 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4034 /* requires call to bap_setup() first */
4035 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4036 int bytelen, int whichbap)
4044 unsigned long flags;
4046 spin_lock_irqsave(&ai->aux_lock, flags);
4047 page = IN4500(ai, SWS0+whichbap);
4048 offset = IN4500(ai, SWS2+whichbap);
4049 next = aux_setup(ai, page, offset, &len);
4050 words = (bytelen+1)>>1;
4052 for (i=0; i<words;) {
4054 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4056 insw( ai->dev->base_addr+DATA0+whichbap,
4059 insb( ai->dev->base_addr+DATA0+whichbap,
4060 pu16Dst+i, count << 1 );
4063 next = aux_setup(ai, next, 4, &len);
4066 spin_unlock_irqrestore(&ai->aux_lock, flags);
4071 /* requires call to bap_setup() first */
4072 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4073 int bytelen, int whichbap)
4075 bytelen = (bytelen + 1) & (~1); // round up to even value
4077 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4079 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4083 /* requires call to bap_setup() first */
4084 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4085 int bytelen, int whichbap)
4087 bytelen = (bytelen + 1) & (~1); // round up to even value
4089 outsw( ai->dev->base_addr+DATA0+whichbap,
4090 pu16Src, bytelen>>1 );
4092 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4096 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4098 Cmd cmd; /* for issuing commands */
4099 Resp rsp; /* response from commands */
4102 memset(&cmd, 0, sizeof(cmd));
4105 status = issuecommand(ai, &cmd, &rsp);
4106 if (status != 0) return status;
4107 if ( (rsp.status & 0x7F00) != 0) {
4108 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4113 /* Note, that we are using BAP1 which is also used by transmit, so
4114 * we must get a lock. */
4115 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4121 if (down_interruptible(&ai->sem))
4124 if (test_bit(FLAG_MPI,&ai->flags)) {
4128 memset(&cmd, 0, sizeof(cmd));
4129 memset(&rsp, 0, sizeof(rsp));
4130 ai->config_desc.rid_desc.valid = 1;
4131 ai->config_desc.rid_desc.len = RIDSIZE;
4132 ai->config_desc.rid_desc.rid = 0;
4133 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4135 cmd.cmd = CMD_ACCESS;
4138 memcpy_toio(ai->config_desc.card_ram_off,
4139 &ai->config_desc.rid_desc, sizeof(Rid));
4141 rc = issuecommand(ai, &cmd, &rsp);
4143 if (rsp.status & 0x7f00)
4146 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4149 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4153 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4157 // read the rid length field
4158 bap_read(ai, pBuf, 2, BAP1);
4159 // length for remaining part of rid
4160 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4163 airo_print_err(ai->dev->name,
4164 "Rid %x has a length of %d which is too short",
4165 (int)rid, (int)len );
4169 // read remainder of the rid
4170 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4178 /* Note, that we are using BAP1 which is also used by transmit, so
4179 * make sure this isnt called when a transmit is happening */
4180 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4181 const void *pBuf, int len, int lock)
4186 *(u16*)pBuf = cpu_to_le16((u16)len);
4189 if (down_interruptible(&ai->sem))
4192 if (test_bit(FLAG_MPI,&ai->flags)) {
4196 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4197 airo_print_err(ai->dev->name,
4198 "%s: MAC should be disabled (rid=%04x)",
4200 memset(&cmd, 0, sizeof(cmd));
4201 memset(&rsp, 0, sizeof(rsp));
4203 ai->config_desc.rid_desc.valid = 1;
4204 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4205 ai->config_desc.rid_desc.rid = 0;
4207 cmd.cmd = CMD_WRITERID;
4210 memcpy_toio(ai->config_desc.card_ram_off,
4211 &ai->config_desc.rid_desc, sizeof(Rid));
4213 if (len < 4 || len > 2047) {
4214 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4217 memcpy((char *)ai->config_desc.virtual_host_addr,
4220 rc = issuecommand(ai, &cmd, &rsp);
4221 if ((rc & 0xff00) != 0) {
4222 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4224 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4225 __FUNCTION__, cmd.cmd);
4228 if ((rsp.status & 0x7f00))
4232 // --- first access so that we can write the rid data
4233 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4237 // --- now write the rid data
4238 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4242 bap_write(ai, pBuf, len, BAP1);
4243 // ---now commit the rid data
4244 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4252 /* Allocates a FID to be used for transmitting packets. We only use
4254 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4256 unsigned int loop = 3000;
4262 cmd.cmd = CMD_ALLOCATETX;
4263 cmd.parm0 = lenPayload;
4264 if (down_interruptible(&ai->sem))
4266 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4270 if ( (rsp.status & 0xFF00) != 0) {
4274 /* wait for the allocate event/indication
4275 * It makes me kind of nervous that this can just sit here and spin,
4276 * but in practice it only loops like four times. */
4277 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4283 // get the allocated fid and acknowledge
4284 txFid = IN4500(ai, TXALLOCFID);
4285 OUT4500(ai, EVACK, EV_ALLOC);
4287 /* The CARD is pretty cool since it converts the ethernet packet
4288 * into 802.11. Also note that we don't release the FID since we
4289 * will be using the same one over and over again. */
4290 /* We only have to setup the control once since we are not
4291 * releasing the fid. */
4293 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4294 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4296 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4297 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4298 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4301 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4309 /* In general BAP1 is dedicated to transmiting packets. However,
4310 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4311 Make sure the BAP1 spinlock is held when this is called. */
4312 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4323 if (len <= ETH_ALEN * 2) {
4324 airo_print_warn(ai->dev->name, "Short packet %d", len);
4327 len -= ETH_ALEN * 2;
4329 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4330 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4331 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4333 miclen = sizeof(pMic);
4335 // packet is destination[6], source[6], payload[len-12]
4336 // write the payload length and dst/src/payload
4337 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4338 /* The hardware addresses aren't counted as part of the payload, so
4339 * we have to subtract the 12 bytes for the addresses off */
4340 payloadLen = cpu_to_le16(len + miclen);
4341 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4342 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4344 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4345 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4346 // issue the transmit command
4347 memset( &cmd, 0, sizeof( cmd ) );
4348 cmd.cmd = CMD_TRANSMIT;
4350 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4351 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4355 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4370 fc = le16_to_cpu(*(const u16*)pPacket);
4373 if ((fc & 0xe0) == 0xc0)
4379 if ((fc&0x300)==0x300){
4388 airo_print_warn(ai->dev->name, "Short packet %d", len);
4392 /* packet is 802.11 header + payload
4393 * write the payload length and dst/src/payload */
4394 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4395 /* The 802.11 header aren't counted as part of the payload, so
4396 * we have to subtract the header bytes off */
4397 payloadLen = cpu_to_le16(len-hdrlen);
4398 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4399 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4400 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4401 bap_write(ai, hdrlen == 30 ?
4402 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4404 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4405 // issue the transmit command
4406 memset( &cmd, 0, sizeof( cmd ) );
4407 cmd.cmd = CMD_TRANSMIT;
4409 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4410 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4415 * This is the proc_fs routines. It is a bit messier than I would
4416 * like! Feel free to clean it up!
4419 static ssize_t proc_read( struct file *file,
4420 char __user *buffer,
4424 static ssize_t proc_write( struct file *file,
4425 const char __user *buffer,
4428 static int proc_close( struct inode *inode, struct file *file );
4430 static int proc_stats_open( struct inode *inode, struct file *file );
4431 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4432 static int proc_status_open( struct inode *inode, struct file *file );
4433 static int proc_SSID_open( struct inode *inode, struct file *file );
4434 static int proc_APList_open( struct inode *inode, struct file *file );
4435 static int proc_BSSList_open( struct inode *inode, struct file *file );
4436 static int proc_config_open( struct inode *inode, struct file *file );
4437 static int proc_wepkey_open( struct inode *inode, struct file *file );
4439 static const struct file_operations proc_statsdelta_ops = {
4441 .open = proc_statsdelta_open,
4442 .release = proc_close
4445 static const struct file_operations proc_stats_ops = {
4447 .open = proc_stats_open,
4448 .release = proc_close
4451 static const struct file_operations proc_status_ops = {
4453 .open = proc_status_open,
4454 .release = proc_close
4457 static const struct file_operations proc_SSID_ops = {
4459 .write = proc_write,
4460 .open = proc_SSID_open,
4461 .release = proc_close
4464 static const struct file_operations proc_BSSList_ops = {
4466 .write = proc_write,
4467 .open = proc_BSSList_open,
4468 .release = proc_close
4471 static const struct file_operations proc_APList_ops = {
4473 .write = proc_write,
4474 .open = proc_APList_open,
4475 .release = proc_close
4478 static const struct file_operations proc_config_ops = {
4480 .write = proc_write,
4481 .open = proc_config_open,
4482 .release = proc_close
4485 static const struct file_operations proc_wepkey_ops = {
4487 .write = proc_write,
4488 .open = proc_wepkey_open,
4489 .release = proc_close
4492 static struct proc_dir_entry *airo_entry;
4501 void (*on_close) (struct inode *, struct file *);
4505 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4508 static int setup_proc_entry( struct net_device *dev,
4509 struct airo_info *apriv ) {
4510 struct proc_dir_entry *entry;
4511 /* First setup the device directory */
4512 strcpy(apriv->proc_name,dev->name);
4513 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4516 if (!apriv->proc_entry)
4518 apriv->proc_entry->uid = proc_uid;
4519 apriv->proc_entry->gid = proc_gid;
4520 apriv->proc_entry->owner = THIS_MODULE;
4522 /* Setup the StatsDelta */
4523 entry = create_proc_entry("StatsDelta",
4524 S_IFREG | (S_IRUGO&proc_perm),
4527 goto fail_stats_delta;
4528 entry->uid = proc_uid;
4529 entry->gid = proc_gid;
4531 entry->owner = THIS_MODULE;
4532 SETPROC_OPS(entry, proc_statsdelta_ops);
4534 /* Setup the Stats */
4535 entry = create_proc_entry("Stats",
4536 S_IFREG | (S_IRUGO&proc_perm),
4540 entry->uid = proc_uid;
4541 entry->gid = proc_gid;
4543 entry->owner = THIS_MODULE;
4544 SETPROC_OPS(entry, proc_stats_ops);
4546 /* Setup the Status */
4547 entry = create_proc_entry("Status",
4548 S_IFREG | (S_IRUGO&proc_perm),
4552 entry->uid = proc_uid;
4553 entry->gid = proc_gid;
4555 entry->owner = THIS_MODULE;
4556 SETPROC_OPS(entry, proc_status_ops);
4558 /* Setup the Config */
4559 entry = create_proc_entry("Config",
4560 S_IFREG | proc_perm,
4564 entry->uid = proc_uid;
4565 entry->gid = proc_gid;
4567 entry->owner = THIS_MODULE;
4568 SETPROC_OPS(entry, proc_config_ops);
4570 /* Setup the SSID */
4571 entry = create_proc_entry("SSID",
4572 S_IFREG | proc_perm,
4576 entry->uid = proc_uid;
4577 entry->gid = proc_gid;
4579 entry->owner = THIS_MODULE;
4580 SETPROC_OPS(entry, proc_SSID_ops);
4582 /* Setup the APList */
4583 entry = create_proc_entry("APList",
4584 S_IFREG | proc_perm,
4588 entry->uid = proc_uid;
4589 entry->gid = proc_gid;
4591 entry->owner = THIS_MODULE;
4592 SETPROC_OPS(entry, proc_APList_ops);
4594 /* Setup the BSSList */
4595 entry = create_proc_entry("BSSList",
4596 S_IFREG | proc_perm,
4600 entry->uid = proc_uid;
4601 entry->gid = proc_gid;
4603 entry->owner = THIS_MODULE;
4604 SETPROC_OPS(entry, proc_BSSList_ops);
4606 /* Setup the WepKey */
4607 entry = create_proc_entry("WepKey",
4608 S_IFREG | proc_perm,
4612 entry->uid = proc_uid;
4613 entry->gid = proc_gid;
4615 entry->owner = THIS_MODULE;
4616 SETPROC_OPS(entry, proc_wepkey_ops);
4621 remove_proc_entry("BSSList", apriv->proc_entry);
4623 remove_proc_entry("APList", apriv->proc_entry);
4625 remove_proc_entry("SSID", apriv->proc_entry);
4627 remove_proc_entry("Config", apriv->proc_entry);
4629 remove_proc_entry("Status", apriv->proc_entry);
4631 remove_proc_entry("Stats", apriv->proc_entry);
4633 remove_proc_entry("StatsDelta", apriv->proc_entry);
4635 remove_proc_entry(apriv->proc_name, airo_entry);
4640 static int takedown_proc_entry( struct net_device *dev,
4641 struct airo_info *apriv ) {
4642 if ( !apriv->proc_entry->namelen ) return 0;
4643 remove_proc_entry("Stats",apriv->proc_entry);
4644 remove_proc_entry("StatsDelta",apriv->proc_entry);
4645 remove_proc_entry("Status",apriv->proc_entry);
4646 remove_proc_entry("Config",apriv->proc_entry);
4647 remove_proc_entry("SSID",apriv->proc_entry);
4648 remove_proc_entry("APList",apriv->proc_entry);
4649 remove_proc_entry("BSSList",apriv->proc_entry);
4650 remove_proc_entry("WepKey",apriv->proc_entry);
4651 remove_proc_entry(apriv->proc_name,airo_entry);
4656 * What we want from the proc_fs is to be able to efficiently read
4657 * and write the configuration. To do this, we want to read the
4658 * configuration when the file is opened and write it when the file is
4659 * closed. So basically we allocate a read buffer at open and fill it
4660 * with data, and allocate a write buffer and read it at close.
4664 * The read routine is generic, it relies on the preallocated rbuffer
4665 * to supply the data.
4667 static ssize_t proc_read( struct file *file,
4668 char __user *buffer,
4672 loff_t pos = *offset;
4673 struct proc_data *priv = (struct proc_data*)file->private_data;
4680 if (pos >= priv->readlen)
4682 if (len > priv->readlen - pos)
4683 len = priv->readlen - pos;
4684 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4686 *offset = pos + len;
4691 * The write routine is generic, it fills in a preallocated rbuffer
4692 * to supply the data.
4694 static ssize_t proc_write( struct file *file,
4695 const char __user *buffer,
4699 loff_t pos = *offset;
4700 struct proc_data *priv = (struct proc_data*)file->private_data;
4707 if (pos >= priv->maxwritelen)
4709 if (len > priv->maxwritelen - pos)
4710 len = priv->maxwritelen - pos;
4711 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4713 if ( pos + len > priv->writelen )
4714 priv->writelen = len + file->f_pos;
4715 *offset = pos + len;
4719 static int proc_status_open( struct inode *inode, struct file *file ) {
4720 struct proc_data *data;
4721 struct proc_dir_entry *dp = PDE(inode);
4722 struct net_device *dev = dp->data;
4723 struct airo_info *apriv = dev->priv;
4724 CapabilityRid cap_rid;
4725 StatusRid status_rid;
4728 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4730 data = (struct proc_data *)file->private_data;
4731 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4732 kfree (file->private_data);
4736 readStatusRid(apriv, &status_rid, 1);
4737 readCapabilityRid(apriv, &cap_rid, 1);
4739 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4740 status_rid.mode & 1 ? "CFG ": "",
4741 status_rid.mode & 2 ? "ACT ": "",
4742 status_rid.mode & 0x10 ? "SYN ": "",
4743 status_rid.mode & 0x20 ? "LNK ": "",
4744 status_rid.mode & 0x40 ? "LEAP ": "",
4745 status_rid.mode & 0x80 ? "PRIV ": "",
4746 status_rid.mode & 0x100 ? "KEY ": "",
4747 status_rid.mode & 0x200 ? "WEP ": "",
4748 status_rid.mode & 0x8000 ? "ERR ": "");
4749 sprintf( data->rbuffer+i, "Mode: %x\n"
4750 "Signal Strength: %d\n"
4751 "Signal Quality: %d\n"
4756 "Driver Version: %s\n"
4757 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4758 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4759 "Software Version: %x\nSoftware Subversion: %x\n"
4760 "Boot block version: %x\n",
4761 (int)status_rid.mode,
4762 (int)status_rid.normalizedSignalStrength,
4763 (int)status_rid.signalQuality,
4764 (int)status_rid.SSIDlen,
4767 (int)status_rid.channel,
4768 (int)status_rid.currentXmitRate/2,
4776 (int)cap_rid.softVer,
4777 (int)cap_rid.softSubVer,
4778 (int)cap_rid.bootBlockVer );
4779 data->readlen = strlen( data->rbuffer );
4783 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4784 static int proc_statsdelta_open( struct inode *inode,
4785 struct file *file ) {
4786 if (file->f_mode&FMODE_WRITE) {
4787 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4789 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4792 static int proc_stats_open( struct inode *inode, struct file *file ) {
4793 return proc_stats_rid_open(inode, file, RID_STATS);
4796 static int proc_stats_rid_open( struct inode *inode,
4799 struct proc_data *data;
4800 struct proc_dir_entry *dp = PDE(inode);
4801 struct net_device *dev = dp->data;
4802 struct airo_info *apriv = dev->priv;
4805 u32 *vals = stats.vals;
4807 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4809 data = (struct proc_data *)file->private_data;
4810 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4811 kfree (file->private_data);
4815 readStatsRid(apriv, &stats, rid, 1);
4818 for(i=0; statsLabels[i]!=(char *)-1 &&
4819 i*4<stats.len; i++){
4820 if (!statsLabels[i]) continue;
4821 if (j+strlen(statsLabels[i])+16>4096) {
4822 airo_print_warn(apriv->dev->name,
4823 "Potentially disasterous buffer overflow averted!");
4826 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4828 if (i*4>=stats.len){
4829 airo_print_warn(apriv->dev->name, "Got a short rid");
4835 static int get_dec_u16( char *buffer, int *start, int limit ) {
4838 for( value = 0; buffer[*start] >= '0' &&
4839 buffer[*start] <= '9' &&
4840 *start < limit; (*start)++ ) {
4843 value += buffer[*start] - '0';
4845 if ( !valid ) return -1;
4849 static int airo_config_commit(struct net_device *dev,
4850 struct iw_request_info *info, void *zwrq,
4853 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4854 struct proc_data *data = file->private_data;
4855 struct proc_dir_entry *dp = PDE(inode);
4856 struct net_device *dev = dp->data;
4857 struct airo_info *ai = dev->priv;
4860 if ( !data->writelen ) return;
4862 readConfigRid(ai, 1);
4863 set_bit (FLAG_COMMIT, &ai->flags);
4865 line = data->wbuffer;
4867 /*** Mode processing */
4868 if ( !strncmp( line, "Mode: ", 6 ) ) {
4870 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4871 set_bit (FLAG_RESET, &ai->flags);
4872 ai->config.rmode &= 0xfe00;
4873 clear_bit (FLAG_802_11, &ai->flags);
4874 ai->config.opmode &= 0xFF00;
4875 ai->config.scanMode = SCANMODE_ACTIVE;
4876 if ( line[0] == 'a' ) {
4877 ai->config.opmode |= 0;
4879 ai->config.opmode |= 1;
4880 if ( line[0] == 'r' ) {
4881 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4882 ai->config.scanMode = SCANMODE_PASSIVE;
4883 set_bit (FLAG_802_11, &ai->flags);
4884 } else if ( line[0] == 'y' ) {
4885 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4886 ai->config.scanMode = SCANMODE_PASSIVE;
4887 set_bit (FLAG_802_11, &ai->flags);
4888 } else if ( line[0] == 'l' )
4889 ai->config.rmode |= RXMODE_LANMON;
4891 set_bit (FLAG_COMMIT, &ai->flags);
4894 /*** Radio status */
4895 else if (!strncmp(line,"Radio: ", 7)) {
4897 if (!strncmp(line,"off",3)) {
4898 set_bit (FLAG_RADIO_OFF, &ai->flags);
4900 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4903 /*** NodeName processing */
4904 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4908 memset( ai->config.nodeName, 0, 16 );
4909 /* Do the name, assume a space between the mode and node name */
4910 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4911 ai->config.nodeName[j] = line[j];
4913 set_bit (FLAG_COMMIT, &ai->flags);
4916 /*** PowerMode processing */
4917 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4919 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4920 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4921 set_bit (FLAG_COMMIT, &ai->flags);
4922 } else if ( !strncmp( line, "PSP", 3 ) ) {
4923 ai->config.powerSaveMode = POWERSAVE_PSP;
4924 set_bit (FLAG_COMMIT, &ai->flags);
4926 ai->config.powerSaveMode = POWERSAVE_CAM;
4927 set_bit (FLAG_COMMIT, &ai->flags);
4929 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4930 int v, i = 0, k = 0; /* i is index into line,
4931 k is index to rates */
4934 while((v = get_dec_u16(line, &i, 3))!=-1) {
4935 ai->config.rates[k++] = (u8)v;
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4943 v = get_dec_u16(line, &i, i+3);
4945 ai->config.channelSet = (u16)v;
4946 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4951 v = get_dec_u16(line, &i, i+3);
4953 ai->config.txPower = (u16)v;
4954 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4960 ai->config.authType = (u16)AUTH_SHAREDKEY;
4963 ai->config.authType = (u16)AUTH_ENCRYPT;
4966 ai->config.authType = (u16)AUTH_OPEN;
4969 set_bit (FLAG_COMMIT, &ai->flags);
4970 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4974 v = get_dec_u16(line, &i, 3);
4975 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4976 ai->config.longRetryLimit = (u16)v;
4977 set_bit (FLAG_COMMIT, &ai->flags);
4978 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4982 v = get_dec_u16(line, &i, 3);
4983 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4984 ai->config.shortRetryLimit = (u16)v;
4985 set_bit (FLAG_COMMIT, &ai->flags);
4986 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4990 v = get_dec_u16(line, &i, 4);
4991 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4992 ai->config.rtsThres = (u16)v;
4993 set_bit (FLAG_COMMIT, &ai->flags);
4994 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4998 v = get_dec_u16(line, &i, 5);
5000 ai->config.txLifetime = (u16)v;
5001 set_bit (FLAG_COMMIT, &ai->flags);
5002 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5006 v = get_dec_u16(line, &i, 5);
5008 ai->config.rxLifetime = (u16)v;
5009 set_bit (FLAG_COMMIT, &ai->flags);
5010 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5011 ai->config.txDiversity =
5012 (line[13]=='l') ? 1 :
5013 ((line[13]=='r')? 2: 3);
5014 set_bit (FLAG_COMMIT, &ai->flags);
5015 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5016 ai->config.rxDiversity =
5017 (line[13]=='l') ? 1 :
5018 ((line[13]=='r')? 2: 3);
5019 set_bit (FLAG_COMMIT, &ai->flags);
5020 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5024 v = get_dec_u16(line, &i, 4);
5025 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5026 v = v & 0xfffe; /* Make sure its even */
5027 ai->config.fragThresh = (u16)v;
5028 set_bit (FLAG_COMMIT, &ai->flags);
5029 } else if (!strncmp(line, "Modulation: ", 12)) {
5032 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5033 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5034 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5035 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5037 } else if (!strncmp(line, "Preamble: ", 10)) {
5040 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5042 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5043 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5046 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5048 while( line[0] && line[0] != '\n' ) line++;
5049 if ( line[0] ) line++;
5051 airo_config_commit(dev, NULL, NULL, NULL);
5054 static char *get_rmode(u16 mode) {
5056 case RXMODE_RFMON: return "rfmon";
5057 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5058 case RXMODE_LANMON: return "lanmon";
5063 static int proc_config_open( struct inode *inode, struct file *file ) {
5064 struct proc_data *data;
5065 struct proc_dir_entry *dp = PDE(inode);
5066 struct net_device *dev = dp->data;
5067 struct airo_info *ai = dev->priv;
5070 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5072 data = (struct proc_data *)file->private_data;
5073 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5074 kfree (file->private_data);
5077 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5078 kfree (data->rbuffer);
5079 kfree (file->private_data);
5082 data->maxwritelen = 2048;
5083 data->on_close = proc_config_on_close;
5085 readConfigRid(ai, 1);
5087 i = sprintf( data->rbuffer,
5092 "DataRates: %d %d %d %d %d %d %d %d\n"
5095 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5096 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5097 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5098 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5099 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5100 ai->config.nodeName,
5101 ai->config.powerSaveMode == 0 ? "CAM" :
5102 ai->config.powerSaveMode == 1 ? "PSP" :
5103 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5104 (int)ai->config.rates[0],
5105 (int)ai->config.rates[1],
5106 (int)ai->config.rates[2],
5107 (int)ai->config.rates[3],
5108 (int)ai->config.rates[4],
5109 (int)ai->config.rates[5],
5110 (int)ai->config.rates[6],
5111 (int)ai->config.rates[7],
5112 (int)ai->config.channelSet,
5113 (int)ai->config.txPower
5115 sprintf( data->rbuffer + i,
5116 "LongRetryLimit: %d\n"
5117 "ShortRetryLimit: %d\n"
5118 "RTSThreshold: %d\n"
5119 "TXMSDULifetime: %d\n"
5120 "RXMSDULifetime: %d\n"
5123 "FragThreshold: %d\n"
5127 (int)ai->config.longRetryLimit,
5128 (int)ai->config.shortRetryLimit,
5129 (int)ai->config.rtsThres,
5130 (int)ai->config.txLifetime,
5131 (int)ai->config.rxLifetime,
5132 ai->config.txDiversity == 1 ? "left" :
5133 ai->config.txDiversity == 2 ? "right" : "both",
5134 ai->config.rxDiversity == 1 ? "left" :
5135 ai->config.rxDiversity == 2 ? "right" : "both",
5136 (int)ai->config.fragThresh,
5137 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5138 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5139 ai->config.modulation == 0 ? "default" :
5140 ai->config.modulation == MOD_CCK ? "cck" :
5141 ai->config.modulation == MOD_MOK ? "mok" : "error",
5142 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5143 ai->config.preamble == PREAMBLE_LONG ? "long" :
5144 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5146 data->readlen = strlen( data->rbuffer );
5150 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5151 struct proc_data *data = (struct proc_data *)file->private_data;
5152 struct proc_dir_entry *dp = PDE(inode);
5153 struct net_device *dev = dp->data;
5154 struct airo_info *ai = dev->priv;
5160 if ( !data->writelen ) return;
5162 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5164 for( i = 0; i < 3; i++ ) {
5166 for( j = 0; j+offset < data->writelen && j < 32 &&
5167 data->wbuffer[offset+j] != '\n'; j++ ) {
5168 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5170 if ( j == 0 ) break;
5171 SSID_rid.ssids[i].len = j;
5173 while( data->wbuffer[offset] != '\n' &&
5174 offset < data->writelen ) offset++;
5178 SSID_rid.len = sizeof(SSID_rid);
5180 writeSsidRid(ai, &SSID_rid, 1);
5181 enable_MAC(ai, &rsp, 1);
5184 static inline u8 hexVal(char c) {
5185 if (c>='0' && c<='9') return c -= '0';
5186 if (c>='a' && c<='f') return c -= 'a'-10;
5187 if (c>='A' && c<='F') return c -= 'A'-10;
5191 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5192 struct proc_data *data = (struct proc_data *)file->private_data;
5193 struct proc_dir_entry *dp = PDE(inode);
5194 struct net_device *dev = dp->data;
5195 struct airo_info *ai = dev->priv;
5196 APListRid APList_rid;
5200 if ( !data->writelen ) return;
5202 memset( &APList_rid, 0, sizeof(APList_rid) );
5203 APList_rid.len = sizeof(APList_rid);
5205 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5207 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5210 APList_rid.ap[i][j/3]=
5211 hexVal(data->wbuffer[j+i*6*3])<<4;
5214 APList_rid.ap[i][j/3]|=
5215 hexVal(data->wbuffer[j+i*6*3]);
5221 writeAPListRid(ai, &APList_rid, 1);
5222 enable_MAC(ai, &rsp, 1);
5225 /* This function wraps PC4500_writerid with a MAC disable */
5226 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5227 int len, int dummy ) {
5232 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5233 enable_MAC(ai, &rsp, 1);
5237 /* Returns the length of the key at the index. If index == 0xffff
5238 * the index of the transmit key is returned. If the key doesn't exist,
5239 * -1 will be returned.
5241 static int get_wep_key(struct airo_info *ai, u16 index) {
5246 rc = readWepKeyRid(ai, &wkr, 1, 1);
5247 if (rc == SUCCESS) do {
5248 lastindex = wkr.kindex;
5249 if (wkr.kindex == index) {
5250 if (index == 0xffff) {
5255 readWepKeyRid(ai, &wkr, 0, 1);
5256 } while(lastindex != wkr.kindex);
5260 static int set_wep_key(struct airo_info *ai, u16 index,
5261 const char *key, u16 keylen, int perm, int lock ) {
5262 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5266 memset(&wkr, 0, sizeof(wkr));
5268 // We are selecting which key to use
5269 wkr.len = sizeof(wkr);
5270 wkr.kindex = 0xffff;
5271 wkr.mac[0] = (char)index;
5272 if (perm) ai->defindex = (char)index;
5274 // We are actually setting the key
5275 wkr.len = sizeof(wkr);
5278 memcpy( wkr.key, key, keylen );
5279 memcpy( wkr.mac, macaddr, ETH_ALEN );
5282 if (perm) disable_MAC(ai, lock);
5283 writeWepKeyRid(ai, &wkr, perm, lock);
5284 if (perm) enable_MAC(ai, &rsp, lock);
5288 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5289 struct proc_data *data;
5290 struct proc_dir_entry *dp = PDE(inode);
5291 struct net_device *dev = dp->data;
5292 struct airo_info *ai = dev->priv;
5298 memset(key, 0, sizeof(key));
5300 data = (struct proc_data *)file->private_data;
5301 if ( !data->writelen ) return;
5303 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5304 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5305 index = data->wbuffer[0] - '0';
5306 if (data->wbuffer[1] == '\n') {
5307 set_wep_key(ai, index, NULL, 0, 1, 1);
5312 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5316 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5319 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5322 key[i/3] |= hexVal(data->wbuffer[i+j]);
5326 set_wep_key(ai, index, key, i/3, 1, 1);
5329 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5330 struct proc_data *data;
5331 struct proc_dir_entry *dp = PDE(inode);
5332 struct net_device *dev = dp->data;
5333 struct airo_info *ai = dev->priv;
5340 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5342 memset(&wkr, 0, sizeof(wkr));
5343 data = (struct proc_data *)file->private_data;
5344 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5345 kfree (file->private_data);
5349 data->maxwritelen = 80;
5350 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5351 kfree (data->rbuffer);
5352 kfree (file->private_data);
5355 data->on_close = proc_wepkey_on_close;
5357 ptr = data->rbuffer;
5358 strcpy(ptr, "No wep keys\n");
5359 rc = readWepKeyRid(ai, &wkr, 1, 1);
5360 if (rc == SUCCESS) do {
5361 lastindex = wkr.kindex;
5362 if (wkr.kindex == 0xffff) {
5363 j += sprintf(ptr+j, "Tx key = %d\n",
5366 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5367 (int)wkr.kindex, (int)wkr.klen);
5369 readWepKeyRid(ai, &wkr, 0, 1);
5370 } while((lastindex != wkr.kindex) && (j < 180-30));
5372 data->readlen = strlen( data->rbuffer );
5376 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5377 struct proc_data *data;
5378 struct proc_dir_entry *dp = PDE(inode);
5379 struct net_device *dev = dp->data;
5380 struct airo_info *ai = dev->priv;
5385 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5387 data = (struct proc_data *)file->private_data;
5388 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5389 kfree (file->private_data);
5393 data->maxwritelen = 33*3;
5394 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5395 kfree (data->rbuffer);
5396 kfree (file->private_data);
5399 data->on_close = proc_SSID_on_close;
5401 readSsidRid(ai, &SSID_rid);
5402 ptr = data->rbuffer;
5403 for( i = 0; i < 3; i++ ) {
5405 if ( !SSID_rid.ssids[i].len ) break;
5406 for( j = 0; j < 32 &&
5407 j < SSID_rid.ssids[i].len &&
5408 SSID_rid.ssids[i].ssid[j]; j++ ) {
5409 *ptr++ = SSID_rid.ssids[i].ssid[j];
5414 data->readlen = strlen( data->rbuffer );
5418 static int proc_APList_open( struct inode *inode, struct file *file ) {
5419 struct proc_data *data;
5420 struct proc_dir_entry *dp = PDE(inode);
5421 struct net_device *dev = dp->data;
5422 struct airo_info *ai = dev->priv;
5425 APListRid APList_rid;
5427 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5429 data = (struct proc_data *)file->private_data;
5430 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5431 kfree (file->private_data);
5435 data->maxwritelen = 4*6*3;
5436 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5437 kfree (data->rbuffer);
5438 kfree (file->private_data);
5441 data->on_close = proc_APList_on_close;
5443 readAPListRid(ai, &APList_rid);
5444 ptr = data->rbuffer;
5445 for( i = 0; i < 4; i++ ) {
5446 // We end when we find a zero MAC
5447 if ( !*(int*)APList_rid.ap[i] &&
5448 !*(int*)&APList_rid.ap[i][2]) break;
5449 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5450 (int)APList_rid.ap[i][0],
5451 (int)APList_rid.ap[i][1],
5452 (int)APList_rid.ap[i][2],
5453 (int)APList_rid.ap[i][3],
5454 (int)APList_rid.ap[i][4],
5455 (int)APList_rid.ap[i][5]);
5457 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5460 data->readlen = strlen( data->rbuffer );
5464 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5465 struct proc_data *data;
5466 struct proc_dir_entry *dp = PDE(inode);
5467 struct net_device *dev = dp->data;
5468 struct airo_info *ai = dev->priv;
5470 BSSListRid BSSList_rid;
5472 /* If doLoseSync is not 1, we won't do a Lose Sync */
5473 int doLoseSync = -1;
5475 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5477 data = (struct proc_data *)file->private_data;
5478 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5479 kfree (file->private_data);
5483 data->maxwritelen = 0;
5484 data->wbuffer = NULL;
5485 data->on_close = NULL;
5487 if (file->f_mode & FMODE_WRITE) {
5488 if (!(file->f_mode & FMODE_READ)) {
5492 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5493 memset(&cmd, 0, sizeof(cmd));
5494 cmd.cmd=CMD_LISTBSS;
5495 if (down_interruptible(&ai->sem))
5496 return -ERESTARTSYS;
5497 issuecommand(ai, &cmd, &rsp);
5504 ptr = data->rbuffer;
5505 /* There is a race condition here if there are concurrent opens.
5506 Since it is a rare condition, we'll just live with it, otherwise
5507 we have to add a spin lock... */
5508 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5509 while(rc == 0 && BSSList_rid.index != 0xffff) {
5510 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5511 (int)BSSList_rid.bssid[0],
5512 (int)BSSList_rid.bssid[1],
5513 (int)BSSList_rid.bssid[2],
5514 (int)BSSList_rid.bssid[3],
5515 (int)BSSList_rid.bssid[4],
5516 (int)BSSList_rid.bssid[5],
5517 (int)BSSList_rid.ssidLen,
5519 (int)BSSList_rid.dBm);
5520 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5521 (int)BSSList_rid.dsChannel,
5522 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5523 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5524 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5525 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5526 rc = readBSSListRid(ai, 0, &BSSList_rid);
5529 data->readlen = strlen( data->rbuffer );
5533 static int proc_close( struct inode *inode, struct file *file )
5535 struct proc_data *data = file->private_data;
5537 if (data->on_close != NULL)
5538 data->on_close(inode, file);
5539 kfree(data->rbuffer);
5540 kfree(data->wbuffer);
5545 /* Since the card doesn't automatically switch to the right WEP mode,
5546 we will make it do it. If the card isn't associated, every secs we
5547 will switch WEP modes to see if that will help. If the card is
5548 associated we will check every minute to see if anything has
5550 static void timer_func( struct net_device *dev ) {
5551 struct airo_info *apriv = dev->priv;
5554 /* We don't have a link so try changing the authtype */
5555 readConfigRid(apriv, 0);
5556 disable_MAC(apriv, 0);
5557 switch(apriv->config.authType) {
5559 /* So drop to OPEN */
5560 apriv->config.authType = AUTH_OPEN;
5562 case AUTH_SHAREDKEY:
5563 if (apriv->keyindex < auto_wep) {
5564 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5565 apriv->config.authType = AUTH_SHAREDKEY;
5568 /* Drop to ENCRYPT */
5569 apriv->keyindex = 0;
5570 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5571 apriv->config.authType = AUTH_ENCRYPT;
5574 default: /* We'll escalate to SHAREDKEY */
5575 apriv->config.authType = AUTH_SHAREDKEY;
5577 set_bit (FLAG_COMMIT, &apriv->flags);
5578 writeConfigRid(apriv, 0);
5579 enable_MAC(apriv, &rsp, 0);
5582 /* Schedule check to see if the change worked */
5583 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5584 apriv->expires = RUN_AT(HZ*3);
5588 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5589 const struct pci_device_id *pent)
5591 struct net_device *dev;
5593 if (pci_enable_device(pdev))
5595 pci_set_master(pdev);
5597 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5598 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5600 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5604 pci_set_drvdata(pdev, dev);
5608 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5610 struct net_device *dev = pci_get_drvdata(pdev);
5612 airo_print_info(dev->name, "Unregistering...");
5613 stop_airo_card(dev, 1);
5616 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5618 struct net_device *dev = pci_get_drvdata(pdev);
5619 struct airo_info *ai = dev->priv;
5623 if ((ai->APList == NULL) &&
5624 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5626 if ((ai->SSID == NULL) &&
5627 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5629 readAPListRid(ai, ai->APList);
5630 readSsidRid(ai, ai->SSID);
5631 memset(&cmd, 0, sizeof(cmd));
5632 /* the lock will be released at the end of the resume callback */
5633 if (down_interruptible(&ai->sem))
5636 netif_device_detach(dev);
5639 issuecommand(ai, &cmd, &rsp);
5641 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5642 pci_save_state(pdev);
5643 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5646 static int airo_pci_resume(struct pci_dev *pdev)
5648 struct net_device *dev = pci_get_drvdata(pdev);
5649 struct airo_info *ai = dev->priv;
5651 pci_power_t prev_state = pdev->current_state;
5653 pci_set_power_state(pdev, PCI_D0);
5654 pci_restore_state(pdev);
5655 pci_enable_wake(pdev, PCI_D0, 0);
5657 if (prev_state != PCI_D1) {
5659 mpi_init_descriptors(ai);
5660 setup_card(ai, dev->dev_addr, 0);
5661 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5662 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5664 OUT4500(ai, EVACK, EV_AWAKEN);
5665 OUT4500(ai, EVACK, EV_AWAKEN);
5669 set_bit (FLAG_COMMIT, &ai->flags);
5673 writeSsidRid(ai, ai->SSID, 0);
5678 writeAPListRid(ai, ai->APList, 0);
5682 writeConfigRid(ai, 0);
5683 enable_MAC(ai, &rsp, 0);
5684 ai->power = PMSG_ON;
5685 netif_device_attach(dev);
5686 netif_wake_queue(dev);
5687 enable_interrupts(ai);
5693 static int __init airo_init_module( void )
5697 int have_isa_dev = 0;
5700 airo_entry = create_proc_entry("aironet",
5701 S_IFDIR | airo_perm,
5705 airo_entry->uid = proc_uid;
5706 airo_entry->gid = proc_gid;
5709 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5710 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5711 "io=0x%x", irq[i], io[i] );
5712 if (init_airo_card( irq[i], io[i], 0, NULL ))
5721 airo_print_info("", "Probing for PCI adapters");
5722 i = pci_register_driver(&airo_driver);
5723 airo_print_info("", "Finished probing for PCI adapters");
5726 remove_proc_entry("aironet", proc_root_driver);
5731 /* Always exit with success, as we are a library module
5732 * as well as a driver module
5737 static void __exit airo_cleanup_module( void )
5739 struct airo_info *ai;
5740 while(!list_empty(&airo_devices)) {
5741 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5742 airo_print_info(ai->dev->name, "Unregistering...");
5743 stop_airo_card(ai->dev, 1);
5746 pci_unregister_driver(&airo_driver);
5748 remove_proc_entry("aironet", proc_root_driver);
5752 * Initial Wireless Extension code for Aironet driver by :
5753 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5754 * Conversion to new driver API by :
5755 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5756 * Javier also did a good amount of work here, adding some new extensions
5757 * and fixing my code. Let's just say that without him this code just
5758 * would not work at all... - Jean II
5761 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5766 return (0x100 - rssi_rid[rssi].rssidBm);
5769 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5776 for( i = 0; i < 256; i++ )
5777 if (rssi_rid[i].rssidBm == dbm)
5778 return rssi_rid[i].rssipct;
5784 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5788 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5789 if (memcmp(cap_rid->prodName, "350", 3))
5790 if (status_rid->signalQuality > 0x20)
5793 quality = 0x20 - status_rid->signalQuality;
5795 if (status_rid->signalQuality > 0xb0)
5797 else if (status_rid->signalQuality < 0x10)
5800 quality = 0xb0 - status_rid->signalQuality;
5805 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5806 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5808 /*------------------------------------------------------------------*/
5810 * Wireless Handler : get protocol name
5812 static int airo_get_name(struct net_device *dev,
5813 struct iw_request_info *info,
5817 strcpy(cwrq, "IEEE 802.11-DS");
5821 /*------------------------------------------------------------------*/
5823 * Wireless Handler : set frequency
5825 static int airo_set_freq(struct net_device *dev,
5826 struct iw_request_info *info,
5827 struct iw_freq *fwrq,
5830 struct airo_info *local = dev->priv;
5831 int rc = -EINPROGRESS; /* Call commit handler */
5833 /* If setting by frequency, convert to a channel */
5834 if((fwrq->e == 1) &&
5835 (fwrq->m >= (int) 2.412e8) &&
5836 (fwrq->m <= (int) 2.487e8)) {
5837 int f = fwrq->m / 100000;
5839 while((c < 14) && (f != frequency_list[c]))
5841 /* Hack to fall through... */
5845 /* Setting by channel number */
5846 if((fwrq->m > 1000) || (fwrq->e > 0))
5849 int channel = fwrq->m;
5850 /* We should do a better check than that,
5851 * based on the card capability !!! */
5852 if((channel < 1) || (channel > 14)) {
5853 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5857 readConfigRid(local, 1);
5858 /* Yes ! We can set it !!! */
5859 local->config.channelSet = (u16) channel;
5860 set_bit (FLAG_COMMIT, &local->flags);
5866 /*------------------------------------------------------------------*/
5868 * Wireless Handler : get frequency
5870 static int airo_get_freq(struct net_device *dev,
5871 struct iw_request_info *info,
5872 struct iw_freq *fwrq,
5875 struct airo_info *local = dev->priv;
5876 StatusRid status_rid; /* Card status info */
5879 readConfigRid(local, 1);
5880 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5881 status_rid.channel = local->config.channelSet;
5883 readStatusRid(local, &status_rid, 1);
5885 ch = (int)status_rid.channel;
5886 if((ch > 0) && (ch < 15)) {
5887 fwrq->m = frequency_list[ch - 1] * 100000;
5897 /*------------------------------------------------------------------*/
5899 * Wireless Handler : set ESSID
5901 static int airo_set_essid(struct net_device *dev,
5902 struct iw_request_info *info,
5903 struct iw_point *dwrq,
5906 struct airo_info *local = dev->priv;
5908 SsidRid SSID_rid; /* SSIDs */
5910 /* Reload the list of current SSID */
5911 readSsidRid(local, &SSID_rid);
5913 /* Check if we asked for `any' */
5914 if(dwrq->flags == 0) {
5915 /* Just send an empty SSID list */
5916 memset(&SSID_rid, 0, sizeof(SSID_rid));
5918 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5920 /* Check the size of the string */
5921 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5924 /* Check if index is valid */
5925 if((index < 0) || (index >= 4)) {
5930 memset(SSID_rid.ssids[index].ssid, 0,
5931 sizeof(SSID_rid.ssids[index].ssid));
5932 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5933 SSID_rid.ssids[index].len = dwrq->length;
5935 SSID_rid.len = sizeof(SSID_rid);
5936 /* Write it to the card */
5937 disable_MAC(local, 1);
5938 writeSsidRid(local, &SSID_rid, 1);
5939 enable_MAC(local, &rsp, 1);
5944 /*------------------------------------------------------------------*/
5946 * Wireless Handler : get ESSID
5948 static int airo_get_essid(struct net_device *dev,
5949 struct iw_request_info *info,
5950 struct iw_point *dwrq,
5953 struct airo_info *local = dev->priv;
5954 StatusRid status_rid; /* Card status info */
5956 readStatusRid(local, &status_rid, 1);
5958 /* Note : if dwrq->flags != 0, we should
5959 * get the relevant SSID from the SSID list... */
5961 /* Get the current SSID */
5962 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5963 /* If none, we may want to get the one that was set */
5966 dwrq->length = status_rid.SSIDlen;
5967 dwrq->flags = 1; /* active */
5972 /*------------------------------------------------------------------*/
5974 * Wireless Handler : set AP address
5976 static int airo_set_wap(struct net_device *dev,
5977 struct iw_request_info *info,
5978 struct sockaddr *awrq,
5981 struct airo_info *local = dev->priv;
5984 APListRid APList_rid;
5985 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5986 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5988 if (awrq->sa_family != ARPHRD_ETHER)
5990 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5991 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5992 memset(&cmd, 0, sizeof(cmd));
5993 cmd.cmd=CMD_LOSE_SYNC;
5994 if (down_interruptible(&local->sem))
5995 return -ERESTARTSYS;
5996 issuecommand(local, &cmd, &rsp);
5999 memset(&APList_rid, 0, sizeof(APList_rid));
6000 APList_rid.len = sizeof(APList_rid);
6001 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6002 disable_MAC(local, 1);
6003 writeAPListRid(local, &APList_rid, 1);
6004 enable_MAC(local, &rsp, 1);
6009 /*------------------------------------------------------------------*/
6011 * Wireless Handler : get AP address
6013 static int airo_get_wap(struct net_device *dev,
6014 struct iw_request_info *info,
6015 struct sockaddr *awrq,
6018 struct airo_info *local = dev->priv;
6019 StatusRid status_rid; /* Card status info */
6021 readStatusRid(local, &status_rid, 1);
6023 /* Tentative. This seems to work, wow, I'm lucky !!! */
6024 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6025 awrq->sa_family = ARPHRD_ETHER;
6030 /*------------------------------------------------------------------*/
6032 * Wireless Handler : set Nickname
6034 static int airo_set_nick(struct net_device *dev,
6035 struct iw_request_info *info,
6036 struct iw_point *dwrq,
6039 struct airo_info *local = dev->priv;
6041 /* Check the size of the string */
6042 if(dwrq->length > 16) {
6045 readConfigRid(local, 1);
6046 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6047 memcpy(local->config.nodeName, extra, dwrq->length);
6048 set_bit (FLAG_COMMIT, &local->flags);
6050 return -EINPROGRESS; /* Call commit handler */
6053 /*------------------------------------------------------------------*/
6055 * Wireless Handler : get Nickname
6057 static int airo_get_nick(struct net_device *dev,
6058 struct iw_request_info *info,
6059 struct iw_point *dwrq,
6062 struct airo_info *local = dev->priv;
6064 readConfigRid(local, 1);
6065 strncpy(extra, local->config.nodeName, 16);
6067 dwrq->length = strlen(extra);
6072 /*------------------------------------------------------------------*/
6074 * Wireless Handler : set Bit-Rate
6076 static int airo_set_rate(struct net_device *dev,
6077 struct iw_request_info *info,
6078 struct iw_param *vwrq,
6081 struct airo_info *local = dev->priv;
6082 CapabilityRid cap_rid; /* Card capability info */
6086 /* First : get a valid bit rate value */
6087 readCapabilityRid(local, &cap_rid, 1);
6089 /* Which type of value ? */
6090 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6091 /* Setting by rate index */
6092 /* Find value in the magic rate table */
6093 brate = cap_rid.supportedRates[vwrq->value];
6095 /* Setting by frequency value */
6096 u8 normvalue = (u8) (vwrq->value/500000);
6098 /* Check if rate is valid */
6099 for(i = 0 ; i < 8 ; i++) {
6100 if(normvalue == cap_rid.supportedRates[i]) {
6106 /* -1 designed the max rate (mostly auto mode) */
6107 if(vwrq->value == -1) {
6108 /* Get the highest available rate */
6109 for(i = 0 ; i < 8 ; i++) {
6110 if(cap_rid.supportedRates[i] == 0)
6114 brate = cap_rid.supportedRates[i - 1];
6116 /* Check that it is valid */
6121 readConfigRid(local, 1);
6122 /* Now, check if we want a fixed or auto value */
6123 if(vwrq->fixed == 0) {
6124 /* Fill all the rates up to this max rate */
6125 memset(local->config.rates, 0, 8);
6126 for(i = 0 ; i < 8 ; i++) {
6127 local->config.rates[i] = cap_rid.supportedRates[i];
6128 if(local->config.rates[i] == brate)
6133 /* One rate, fixed */
6134 memset(local->config.rates, 0, 8);
6135 local->config.rates[0] = brate;
6137 set_bit (FLAG_COMMIT, &local->flags);
6139 return -EINPROGRESS; /* Call commit handler */
6142 /*------------------------------------------------------------------*/
6144 * Wireless Handler : get Bit-Rate
6146 static int airo_get_rate(struct net_device *dev,
6147 struct iw_request_info *info,
6148 struct iw_param *vwrq,
6151 struct airo_info *local = dev->priv;
6152 StatusRid status_rid; /* Card status info */
6154 readStatusRid(local, &status_rid, 1);
6156 vwrq->value = status_rid.currentXmitRate * 500000;
6157 /* If more than one rate, set auto */
6158 readConfigRid(local, 1);
6159 vwrq->fixed = (local->config.rates[1] == 0);
6164 /*------------------------------------------------------------------*/
6166 * Wireless Handler : set RTS threshold
6168 static int airo_set_rts(struct net_device *dev,
6169 struct iw_request_info *info,
6170 struct iw_param *vwrq,
6173 struct airo_info *local = dev->priv;
6174 int rthr = vwrq->value;
6177 rthr = AIRO_DEF_MTU;
6178 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6181 readConfigRid(local, 1);
6182 local->config.rtsThres = rthr;
6183 set_bit (FLAG_COMMIT, &local->flags);
6185 return -EINPROGRESS; /* Call commit handler */
6188 /*------------------------------------------------------------------*/
6190 * Wireless Handler : get RTS threshold
6192 static int airo_get_rts(struct net_device *dev,
6193 struct iw_request_info *info,
6194 struct iw_param *vwrq,
6197 struct airo_info *local = dev->priv;
6199 readConfigRid(local, 1);
6200 vwrq->value = local->config.rtsThres;
6201 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6207 /*------------------------------------------------------------------*/
6209 * Wireless Handler : set Fragmentation threshold
6211 static int airo_set_frag(struct net_device *dev,
6212 struct iw_request_info *info,
6213 struct iw_param *vwrq,
6216 struct airo_info *local = dev->priv;
6217 int fthr = vwrq->value;
6220 fthr = AIRO_DEF_MTU;
6221 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6224 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6225 readConfigRid(local, 1);
6226 local->config.fragThresh = (u16)fthr;
6227 set_bit (FLAG_COMMIT, &local->flags);
6229 return -EINPROGRESS; /* Call commit handler */
6232 /*------------------------------------------------------------------*/
6234 * Wireless Handler : get Fragmentation threshold
6236 static int airo_get_frag(struct net_device *dev,
6237 struct iw_request_info *info,
6238 struct iw_param *vwrq,
6241 struct airo_info *local = dev->priv;
6243 readConfigRid(local, 1);
6244 vwrq->value = local->config.fragThresh;
6245 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6251 /*------------------------------------------------------------------*/
6253 * Wireless Handler : set Mode of Operation
6255 static int airo_set_mode(struct net_device *dev,
6256 struct iw_request_info *info,
6260 struct airo_info *local = dev->priv;
6263 readConfigRid(local, 1);
6264 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6269 local->config.opmode &= 0xFF00;
6270 local->config.opmode |= MODE_STA_IBSS;
6271 local->config.rmode &= 0xfe00;
6272 local->config.scanMode = SCANMODE_ACTIVE;
6273 clear_bit (FLAG_802_11, &local->flags);
6276 local->config.opmode &= 0xFF00;
6277 local->config.opmode |= MODE_STA_ESS;
6278 local->config.rmode &= 0xfe00;
6279 local->config.scanMode = SCANMODE_ACTIVE;
6280 clear_bit (FLAG_802_11, &local->flags);
6282 case IW_MODE_MASTER:
6283 local->config.opmode &= 0xFF00;
6284 local->config.opmode |= MODE_AP;
6285 local->config.rmode &= 0xfe00;
6286 local->config.scanMode = SCANMODE_ACTIVE;
6287 clear_bit (FLAG_802_11, &local->flags);
6289 case IW_MODE_REPEAT:
6290 local->config.opmode &= 0xFF00;
6291 local->config.opmode |= MODE_AP_RPTR;
6292 local->config.rmode &= 0xfe00;
6293 local->config.scanMode = SCANMODE_ACTIVE;
6294 clear_bit (FLAG_802_11, &local->flags);
6296 case IW_MODE_MONITOR:
6297 local->config.opmode &= 0xFF00;
6298 local->config.opmode |= MODE_STA_ESS;
6299 local->config.rmode &= 0xfe00;
6300 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6301 local->config.scanMode = SCANMODE_PASSIVE;
6302 set_bit (FLAG_802_11, &local->flags);
6308 set_bit (FLAG_RESET, &local->flags);
6309 set_bit (FLAG_COMMIT, &local->flags);
6311 return -EINPROGRESS; /* Call commit handler */
6314 /*------------------------------------------------------------------*/
6316 * Wireless Handler : get Mode of Operation
6318 static int airo_get_mode(struct net_device *dev,
6319 struct iw_request_info *info,
6323 struct airo_info *local = dev->priv;
6325 readConfigRid(local, 1);
6326 /* If not managed, assume it's ad-hoc */
6327 switch (local->config.opmode & 0xFF) {
6329 *uwrq = IW_MODE_INFRA;
6332 *uwrq = IW_MODE_MASTER;
6335 *uwrq = IW_MODE_REPEAT;
6338 *uwrq = IW_MODE_ADHOC;
6344 /*------------------------------------------------------------------*/
6346 * Wireless Handler : set Encryption Key
6348 static int airo_set_encode(struct net_device *dev,
6349 struct iw_request_info *info,
6350 struct iw_point *dwrq,
6353 struct airo_info *local = dev->priv;
6354 CapabilityRid cap_rid; /* Card capability info */
6355 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6356 u16 currentAuthType = local->config.authType;
6358 /* Is WEP supported ? */
6359 readCapabilityRid(local, &cap_rid, 1);
6360 /* Older firmware doesn't support this...
6361 if(!(cap_rid.softCap & 2)) {
6364 readConfigRid(local, 1);
6366 /* Basic checking: do we have a key to set ?
6367 * Note : with the new API, it's impossible to get a NULL pointer.
6368 * Therefore, we need to check a key size == 0 instead.
6369 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6370 * when no key is present (only change flags), but older versions
6371 * don't do it. - Jean II */
6372 if (dwrq->length > 0) {
6374 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6375 int current_index = get_wep_key(local, 0xffff);
6376 /* Check the size of the key */
6377 if (dwrq->length > MAX_KEY_SIZE) {
6380 /* Check the index (none -> use current) */
6381 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6382 index = current_index;
6383 /* Set the length */
6384 if (dwrq->length > MIN_KEY_SIZE)
6385 key.len = MAX_KEY_SIZE;
6387 if (dwrq->length > 0)
6388 key.len = MIN_KEY_SIZE;
6390 /* Disable the key */
6392 /* Check if the key is not marked as invalid */
6393 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6395 memset(key.key, 0, MAX_KEY_SIZE);
6396 /* Copy the key in the driver */
6397 memcpy(key.key, extra, dwrq->length);
6398 /* Send the key to the card */
6399 set_wep_key(local, index, key.key, key.len, perm, 1);
6401 /* WE specify that if a valid key is set, encryption
6402 * should be enabled (user may turn it off later)
6403 * This is also how "iwconfig ethX key on" works */
6404 if((index == current_index) && (key.len > 0) &&
6405 (local->config.authType == AUTH_OPEN)) {
6406 local->config.authType = AUTH_ENCRYPT;
6409 /* Do we want to just set the transmit key index ? */
6410 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6411 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6412 set_wep_key(local, index, NULL, 0, perm, 1);
6414 /* Don't complain if only change the mode */
6415 if(!dwrq->flags & IW_ENCODE_MODE) {
6419 /* Read the flags */
6420 if(dwrq->flags & IW_ENCODE_DISABLED)
6421 local->config.authType = AUTH_OPEN; // disable encryption
6422 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6423 local->config.authType = AUTH_SHAREDKEY; // Only Both
6424 if(dwrq->flags & IW_ENCODE_OPEN)
6425 local->config.authType = AUTH_ENCRYPT; // Only Wep
6426 /* Commit the changes to flags if needed */
6427 if (local->config.authType != currentAuthType)
6428 set_bit (FLAG_COMMIT, &local->flags);
6429 return -EINPROGRESS; /* Call commit handler */
6432 /*------------------------------------------------------------------*/
6434 * Wireless Handler : get Encryption Key
6436 static int airo_get_encode(struct net_device *dev,
6437 struct iw_request_info *info,
6438 struct iw_point *dwrq,
6441 struct airo_info *local = dev->priv;
6442 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6443 CapabilityRid cap_rid; /* Card capability info */
6445 /* Is it supported ? */
6446 readCapabilityRid(local, &cap_rid, 1);
6447 if(!(cap_rid.softCap & 2)) {
6450 readConfigRid(local, 1);
6451 /* Check encryption mode */
6452 switch(local->config.authType) {
6454 dwrq->flags = IW_ENCODE_OPEN;
6456 case AUTH_SHAREDKEY:
6457 dwrq->flags = IW_ENCODE_RESTRICTED;
6461 dwrq->flags = IW_ENCODE_DISABLED;
6464 /* We can't return the key, so set the proper flag and return zero */
6465 dwrq->flags |= IW_ENCODE_NOKEY;
6466 memset(extra, 0, 16);
6468 /* Which key do we want ? -1 -> tx index */
6469 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6470 index = get_wep_key(local, 0xffff);
6471 dwrq->flags |= index + 1;
6472 /* Copy the key to the user buffer */
6473 dwrq->length = get_wep_key(local, index);
6474 if (dwrq->length > 16) {
6480 /*------------------------------------------------------------------*/
6482 * Wireless Handler : set extended Encryption parameters
6484 static int airo_set_encodeext(struct net_device *dev,
6485 struct iw_request_info *info,
6486 union iwreq_data *wrqu,
6489 struct airo_info *local = dev->priv;
6490 struct iw_point *encoding = &wrqu->encoding;
6491 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6492 CapabilityRid cap_rid; /* Card capability info */
6493 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6494 u16 currentAuthType = local->config.authType;
6495 int idx, key_len, alg = ext->alg, set_key = 1;
6498 /* Is WEP supported ? */
6499 readCapabilityRid(local, &cap_rid, 1);
6500 /* Older firmware doesn't support this...
6501 if(!(cap_rid.softCap & 2)) {
6504 readConfigRid(local, 1);
6506 /* Determine and validate the key index */
6507 idx = encoding->flags & IW_ENCODE_INDEX;
6509 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6513 idx = get_wep_key(local, 0xffff);
6515 if (encoding->flags & IW_ENCODE_DISABLED)
6516 alg = IW_ENCODE_ALG_NONE;
6518 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6519 /* Only set transmit key index here, actual
6520 * key is set below if needed.
6522 set_wep_key(local, idx, NULL, 0, perm, 1);
6523 set_key = ext->key_len > 0 ? 1 : 0;
6527 /* Set the requested key first */
6528 memset(key.key, 0, MAX_KEY_SIZE);
6530 case IW_ENCODE_ALG_NONE:
6533 case IW_ENCODE_ALG_WEP:
6534 if (ext->key_len > MIN_KEY_SIZE) {
6535 key.len = MAX_KEY_SIZE;
6536 } else if (ext->key_len > 0) {
6537 key.len = MIN_KEY_SIZE;
6541 key_len = min (ext->key_len, key.len);
6542 memcpy(key.key, ext->key, key_len);
6547 /* Send the key to the card */
6548 set_wep_key(local, idx, key.key, key.len, perm, 1);
6551 /* Read the flags */
6552 if(encoding->flags & IW_ENCODE_DISABLED)
6553 local->config.authType = AUTH_OPEN; // disable encryption
6554 if(encoding->flags & IW_ENCODE_RESTRICTED)
6555 local->config.authType = AUTH_SHAREDKEY; // Only Both
6556 if(encoding->flags & IW_ENCODE_OPEN)
6557 local->config.authType = AUTH_ENCRYPT; // Only Wep
6558 /* Commit the changes to flags if needed */
6559 if (local->config.authType != currentAuthType)
6560 set_bit (FLAG_COMMIT, &local->flags);
6562 return -EINPROGRESS;
6566 /*------------------------------------------------------------------*/
6568 * Wireless Handler : get extended Encryption parameters
6570 static int airo_get_encodeext(struct net_device *dev,
6571 struct iw_request_info *info,
6572 union iwreq_data *wrqu,
6575 struct airo_info *local = dev->priv;
6576 struct iw_point *encoding = &wrqu->encoding;
6577 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6578 CapabilityRid cap_rid; /* Card capability info */
6579 int idx, max_key_len;
6581 /* Is it supported ? */
6582 readCapabilityRid(local, &cap_rid, 1);
6583 if(!(cap_rid.softCap & 2)) {
6586 readConfigRid(local, 1);
6588 max_key_len = encoding->length - sizeof(*ext);
6589 if (max_key_len < 0)
6592 idx = encoding->flags & IW_ENCODE_INDEX;
6594 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6598 idx = get_wep_key(local, 0xffff);
6600 encoding->flags = idx + 1;
6601 memset(ext, 0, sizeof(*ext));
6603 /* Check encryption mode */
6604 switch(local->config.authType) {
6606 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6608 case AUTH_SHAREDKEY:
6609 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6613 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6616 /* We can't return the key, so set the proper flag and return zero */
6617 encoding->flags |= IW_ENCODE_NOKEY;
6618 memset(extra, 0, 16);
6620 /* Copy the key to the user buffer */
6621 ext->key_len = get_wep_key(local, idx);
6622 if (ext->key_len > 16) {
6630 /*------------------------------------------------------------------*/
6632 * Wireless Handler : set extended authentication parameters
6634 static int airo_set_auth(struct net_device *dev,
6635 struct iw_request_info *info,
6636 union iwreq_data *wrqu, char *extra)
6638 struct airo_info *local = dev->priv;
6639 struct iw_param *param = &wrqu->param;
6640 u16 currentAuthType = local->config.authType;
6642 switch (param->flags & IW_AUTH_INDEX) {
6643 case IW_AUTH_WPA_VERSION:
6644 case IW_AUTH_CIPHER_PAIRWISE:
6645 case IW_AUTH_CIPHER_GROUP:
6646 case IW_AUTH_KEY_MGMT:
6647 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6648 case IW_AUTH_PRIVACY_INVOKED:
6650 * airo does not use these parameters
6654 case IW_AUTH_DROP_UNENCRYPTED:
6656 /* Only change auth type if unencrypted */
6657 if (currentAuthType == AUTH_OPEN)
6658 local->config.authType = AUTH_ENCRYPT;
6660 local->config.authType = AUTH_OPEN;
6663 /* Commit the changes to flags if needed */
6664 if (local->config.authType != currentAuthType)
6665 set_bit (FLAG_COMMIT, &local->flags);
6668 case IW_AUTH_80211_AUTH_ALG: {
6669 /* FIXME: What about AUTH_OPEN? This API seems to
6670 * disallow setting our auth to AUTH_OPEN.
6672 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6673 local->config.authType = AUTH_SHAREDKEY;
6674 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6675 local->config.authType = AUTH_ENCRYPT;
6680 /* Commit the changes to flags if needed */
6681 if (local->config.authType != currentAuthType)
6682 set_bit (FLAG_COMMIT, &local->flags);
6685 case IW_AUTH_WPA_ENABLED:
6686 /* Silently accept disable of WPA */
6687 if (param->value > 0)
6694 return -EINPROGRESS;
6698 /*------------------------------------------------------------------*/
6700 * Wireless Handler : get extended authentication parameters
6702 static int airo_get_auth(struct net_device *dev,
6703 struct iw_request_info *info,
6704 union iwreq_data *wrqu, char *extra)
6706 struct airo_info *local = dev->priv;
6707 struct iw_param *param = &wrqu->param;
6708 u16 currentAuthType = local->config.authType;
6710 switch (param->flags & IW_AUTH_INDEX) {
6711 case IW_AUTH_DROP_UNENCRYPTED:
6712 switch (currentAuthType) {
6713 case AUTH_SHAREDKEY:
6723 case IW_AUTH_80211_AUTH_ALG:
6724 switch (currentAuthType) {
6725 case AUTH_SHAREDKEY:
6726 param->value = IW_AUTH_ALG_SHARED_KEY;
6730 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6735 case IW_AUTH_WPA_ENABLED:
6746 /*------------------------------------------------------------------*/
6748 * Wireless Handler : set Tx-Power
6750 static int airo_set_txpow(struct net_device *dev,
6751 struct iw_request_info *info,
6752 struct iw_param *vwrq,
6755 struct airo_info *local = dev->priv;
6756 CapabilityRid cap_rid; /* Card capability info */
6760 readCapabilityRid(local, &cap_rid, 1);
6762 if (vwrq->disabled) {
6763 set_bit (FLAG_RADIO_OFF, &local->flags);
6764 set_bit (FLAG_COMMIT, &local->flags);
6765 return -EINPROGRESS; /* Call commit handler */
6767 if (vwrq->flags != IW_TXPOW_MWATT) {
6770 clear_bit (FLAG_RADIO_OFF, &local->flags);
6771 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6772 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6773 readConfigRid(local, 1);
6774 local->config.txPower = vwrq->value;
6775 set_bit (FLAG_COMMIT, &local->flags);
6776 rc = -EINPROGRESS; /* Call commit handler */
6782 /*------------------------------------------------------------------*/
6784 * Wireless Handler : get Tx-Power
6786 static int airo_get_txpow(struct net_device *dev,
6787 struct iw_request_info *info,
6788 struct iw_param *vwrq,
6791 struct airo_info *local = dev->priv;
6793 readConfigRid(local, 1);
6794 vwrq->value = local->config.txPower;
6795 vwrq->fixed = 1; /* No power control */
6796 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6797 vwrq->flags = IW_TXPOW_MWATT;
6802 /*------------------------------------------------------------------*/
6804 * Wireless Handler : set Retry limits
6806 static int airo_set_retry(struct net_device *dev,
6807 struct iw_request_info *info,
6808 struct iw_param *vwrq,
6811 struct airo_info *local = dev->priv;
6814 if(vwrq->disabled) {
6817 readConfigRid(local, 1);
6818 if(vwrq->flags & IW_RETRY_LIMIT) {
6819 if(vwrq->flags & IW_RETRY_LONG)
6820 local->config.longRetryLimit = vwrq->value;
6821 else if (vwrq->flags & IW_RETRY_SHORT)
6822 local->config.shortRetryLimit = vwrq->value;
6824 /* No modifier : set both */
6825 local->config.longRetryLimit = vwrq->value;
6826 local->config.shortRetryLimit = vwrq->value;
6828 set_bit (FLAG_COMMIT, &local->flags);
6829 rc = -EINPROGRESS; /* Call commit handler */
6831 if(vwrq->flags & IW_RETRY_LIFETIME) {
6832 local->config.txLifetime = vwrq->value / 1024;
6833 set_bit (FLAG_COMMIT, &local->flags);
6834 rc = -EINPROGRESS; /* Call commit handler */
6839 /*------------------------------------------------------------------*/
6841 * Wireless Handler : get Retry limits
6843 static int airo_get_retry(struct net_device *dev,
6844 struct iw_request_info *info,
6845 struct iw_param *vwrq,
6848 struct airo_info *local = dev->priv;
6850 vwrq->disabled = 0; /* Can't be disabled */
6852 readConfigRid(local, 1);
6853 /* Note : by default, display the min retry number */
6854 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6855 vwrq->flags = IW_RETRY_LIFETIME;
6856 vwrq->value = (int)local->config.txLifetime * 1024;
6857 } else if((vwrq->flags & IW_RETRY_LONG)) {
6858 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6859 vwrq->value = (int)local->config.longRetryLimit;
6861 vwrq->flags = IW_RETRY_LIMIT;
6862 vwrq->value = (int)local->config.shortRetryLimit;
6863 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6864 vwrq->flags |= IW_RETRY_SHORT;
6870 /*------------------------------------------------------------------*/
6872 * Wireless Handler : get range info
6874 static int airo_get_range(struct net_device *dev,
6875 struct iw_request_info *info,
6876 struct iw_point *dwrq,
6879 struct airo_info *local = dev->priv;
6880 struct iw_range *range = (struct iw_range *) extra;
6881 CapabilityRid cap_rid; /* Card capability info */
6885 readCapabilityRid(local, &cap_rid, 1);
6887 dwrq->length = sizeof(struct iw_range);
6888 memset(range, 0, sizeof(*range));
6889 range->min_nwid = 0x0000;
6890 range->max_nwid = 0x0000;
6891 range->num_channels = 14;
6892 /* Should be based on cap_rid.country to give only
6893 * what the current card support */
6895 for(i = 0; i < 14; i++) {
6896 range->freq[k].i = i + 1; /* List index */
6897 range->freq[k].m = frequency_list[i] * 100000;
6898 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6900 range->num_frequency = k;
6902 range->sensitivity = 65535;
6904 /* Hum... Should put the right values there */
6906 range->max_qual.qual = 100; /* % */
6908 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6909 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6910 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6912 /* Experimental measurements - boundary 11/5.5 Mb/s */
6913 /* Note : with or without the (local->rssi), results
6914 * are somewhat different. - Jean II */
6916 range->avg_qual.qual = 50; /* % */
6917 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6919 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6920 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6922 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6924 for(i = 0 ; i < 8 ; i++) {
6925 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6926 if(range->bitrate[i] == 0)
6929 range->num_bitrates = i;
6931 /* Set an indication of the max TCP throughput
6932 * in bit/s that we can expect using this interface.
6933 * May be use for QoS stuff... Jean II */
6935 range->throughput = 5000 * 1000;
6937 range->throughput = 1500 * 1000;
6940 range->max_rts = AIRO_DEF_MTU;
6941 range->min_frag = 256;
6942 range->max_frag = AIRO_DEF_MTU;
6944 if(cap_rid.softCap & 2) {
6946 range->encoding_size[0] = 5;
6948 if (cap_rid.softCap & 0x100) {
6949 range->encoding_size[1] = 13;
6950 range->num_encoding_sizes = 2;
6952 range->num_encoding_sizes = 1;
6953 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6955 range->num_encoding_sizes = 0;
6956 range->max_encoding_tokens = 0;
6959 range->max_pmp = 5000000; /* 5 secs */
6961 range->max_pmt = 65535 * 1024; /* ??? */
6962 range->pmp_flags = IW_POWER_PERIOD;
6963 range->pmt_flags = IW_POWER_TIMEOUT;
6964 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6966 /* Transmit Power - values are in mW */
6967 for(i = 0 ; i < 8 ; i++) {
6968 range->txpower[i] = cap_rid.txPowerLevels[i];
6969 if(range->txpower[i] == 0)
6972 range->num_txpower = i;
6973 range->txpower_capa = IW_TXPOW_MWATT;
6974 range->we_version_source = 19;
6975 range->we_version_compiled = WIRELESS_EXT;
6976 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6977 range->retry_flags = IW_RETRY_LIMIT;
6978 range->r_time_flags = IW_RETRY_LIFETIME;
6979 range->min_retry = 1;
6980 range->max_retry = 65535;
6981 range->min_r_time = 1024;
6982 range->max_r_time = 65535 * 1024;
6984 /* Event capability (kernel + driver) */
6985 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6986 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6987 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6988 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6989 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6990 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6994 /*------------------------------------------------------------------*/
6996 * Wireless Handler : set Power Management
6998 static int airo_set_power(struct net_device *dev,
6999 struct iw_request_info *info,
7000 struct iw_param *vwrq,
7003 struct airo_info *local = dev->priv;
7005 readConfigRid(local, 1);
7006 if (vwrq->disabled) {
7007 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7010 local->config.powerSaveMode = POWERSAVE_CAM;
7011 local->config.rmode &= 0xFF00;
7012 local->config.rmode |= RXMODE_BC_MC_ADDR;
7013 set_bit (FLAG_COMMIT, &local->flags);
7014 return -EINPROGRESS; /* Call commit handler */
7016 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7017 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7018 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7019 set_bit (FLAG_COMMIT, &local->flags);
7020 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7021 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7022 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7023 set_bit (FLAG_COMMIT, &local->flags);
7025 switch (vwrq->flags & IW_POWER_MODE) {
7026 case IW_POWER_UNICAST_R:
7027 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7030 local->config.rmode &= 0xFF00;
7031 local->config.rmode |= RXMODE_ADDR;
7032 set_bit (FLAG_COMMIT, &local->flags);
7034 case IW_POWER_ALL_R:
7035 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7038 local->config.rmode &= 0xFF00;
7039 local->config.rmode |= RXMODE_BC_MC_ADDR;
7040 set_bit (FLAG_COMMIT, &local->flags);
7042 /* This is broken, fixme ;-) */
7047 // Note : we may want to factor local->need_commit here
7048 // Note2 : may also want to factor RXMODE_RFMON test
7049 return -EINPROGRESS; /* Call commit handler */
7052 /*------------------------------------------------------------------*/
7054 * Wireless Handler : get Power Management
7056 static int airo_get_power(struct net_device *dev,
7057 struct iw_request_info *info,
7058 struct iw_param *vwrq,
7061 struct airo_info *local = dev->priv;
7064 readConfigRid(local, 1);
7065 mode = local->config.powerSaveMode;
7066 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7068 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7069 vwrq->value = (int)local->config.fastListenDelay * 1024;
7070 vwrq->flags = IW_POWER_TIMEOUT;
7072 vwrq->value = (int)local->config.fastListenInterval * 1024;
7073 vwrq->flags = IW_POWER_PERIOD;
7075 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7076 vwrq->flags |= IW_POWER_UNICAST_R;
7078 vwrq->flags |= IW_POWER_ALL_R;
7083 /*------------------------------------------------------------------*/
7085 * Wireless Handler : set Sensitivity
7087 static int airo_set_sens(struct net_device *dev,
7088 struct iw_request_info *info,
7089 struct iw_param *vwrq,
7092 struct airo_info *local = dev->priv;
7094 readConfigRid(local, 1);
7095 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7096 set_bit (FLAG_COMMIT, &local->flags);
7098 return -EINPROGRESS; /* Call commit handler */
7101 /*------------------------------------------------------------------*/
7103 * Wireless Handler : get Sensitivity
7105 static int airo_get_sens(struct net_device *dev,
7106 struct iw_request_info *info,
7107 struct iw_param *vwrq,
7110 struct airo_info *local = dev->priv;
7112 readConfigRid(local, 1);
7113 vwrq->value = local->config.rssiThreshold;
7114 vwrq->disabled = (vwrq->value == 0);
7120 /*------------------------------------------------------------------*/
7122 * Wireless Handler : get AP List
7123 * Note : this is deprecated in favor of IWSCAN
7125 static int airo_get_aplist(struct net_device *dev,
7126 struct iw_request_info *info,
7127 struct iw_point *dwrq,
7130 struct airo_info *local = dev->priv;
7131 struct sockaddr *address = (struct sockaddr *) extra;
7132 struct iw_quality qual[IW_MAX_AP];
7135 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7137 for (i = 0; i < IW_MAX_AP; i++) {
7138 if (readBSSListRid(local, loseSync, &BSSList))
7141 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7142 address[i].sa_family = ARPHRD_ETHER;
7144 qual[i].level = 0x100 - BSSList.dBm;
7145 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7146 qual[i].updated = IW_QUAL_QUAL_UPDATED
7147 | IW_QUAL_LEVEL_UPDATED
7150 qual[i].level = (BSSList.dBm + 321) / 2;
7152 qual[i].updated = IW_QUAL_QUAL_INVALID
7153 | IW_QUAL_LEVEL_UPDATED
7156 qual[i].noise = local->wstats.qual.noise;
7157 if (BSSList.index == 0xffff)
7161 StatusRid status_rid; /* Card status info */
7162 readStatusRid(local, &status_rid, 1);
7164 i < min(IW_MAX_AP, 4) &&
7165 (status_rid.bssid[i][0]
7166 & status_rid.bssid[i][1]
7167 & status_rid.bssid[i][2]
7168 & status_rid.bssid[i][3]
7169 & status_rid.bssid[i][4]
7170 & status_rid.bssid[i][5])!=0xff &&
7171 (status_rid.bssid[i][0]
7172 | status_rid.bssid[i][1]
7173 | status_rid.bssid[i][2]
7174 | status_rid.bssid[i][3]
7175 | status_rid.bssid[i][4]
7176 | status_rid.bssid[i][5]);
7178 memcpy(address[i].sa_data,
7179 status_rid.bssid[i], ETH_ALEN);
7180 address[i].sa_family = ARPHRD_ETHER;
7183 dwrq->flags = 1; /* Should be define'd */
7184 memcpy(extra + sizeof(struct sockaddr)*i,
7185 &qual, sizeof(struct iw_quality)*i);
7192 /*------------------------------------------------------------------*/
7194 * Wireless Handler : Initiate Scan
7196 static int airo_set_scan(struct net_device *dev,
7197 struct iw_request_info *info,
7198 struct iw_param *vwrq,
7201 struct airo_info *ai = dev->priv;
7206 /* Note : you may have realised that, as this is a SET operation,
7207 * this is privileged and therefore a normal user can't
7209 * This is not an error, while the device perform scanning,
7210 * traffic doesn't flow, so it's a perfect DoS...
7212 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7214 if (down_interruptible(&ai->sem))
7215 return -ERESTARTSYS;
7217 /* If there's already a scan in progress, don't
7218 * trigger another one. */
7219 if (ai->scan_timeout > 0)
7222 /* Initiate a scan command */
7223 ai->scan_timeout = RUN_AT(3*HZ);
7224 memset(&cmd, 0, sizeof(cmd));
7225 cmd.cmd=CMD_LISTBSS;
7226 issuecommand(ai, &cmd, &rsp);
7232 wake_up_interruptible(&ai->thr_wait);
7236 /*------------------------------------------------------------------*/
7238 * Translate scan data returned from the card to a card independent
7239 * format that the Wireless Tools will understand - Jean II
7241 static inline char *airo_translate_scan(struct net_device *dev,
7246 struct airo_info *ai = dev->priv;
7247 struct iw_event iwe; /* Temporary buffer */
7249 char * current_val; /* For rates */
7253 /* First entry *MUST* be the AP MAC address */
7254 iwe.cmd = SIOCGIWAP;
7255 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7256 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7257 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7259 /* Other entries will be displayed in the order we give them */
7262 iwe.u.data.length = bss->ssidLen;
7263 if(iwe.u.data.length > 32)
7264 iwe.u.data.length = 32;
7265 iwe.cmd = SIOCGIWESSID;
7266 iwe.u.data.flags = 1;
7267 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7270 iwe.cmd = SIOCGIWMODE;
7271 capabilities = le16_to_cpu(bss->cap);
7272 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7273 if(capabilities & CAP_ESS)
7274 iwe.u.mode = IW_MODE_MASTER;
7276 iwe.u.mode = IW_MODE_ADHOC;
7277 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7281 iwe.cmd = SIOCGIWFREQ;
7282 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7283 /* iwe.u.freq.m containt the channel (starting 1), our
7284 * frequency_list array start at index 0...
7286 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7288 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7290 /* Add quality statistics */
7293 iwe.u.qual.level = 0x100 - bss->dBm;
7294 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7295 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7296 | IW_QUAL_LEVEL_UPDATED
7299 iwe.u.qual.level = (bss->dBm + 321) / 2;
7300 iwe.u.qual.qual = 0;
7301 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7302 | IW_QUAL_LEVEL_UPDATED
7305 iwe.u.qual.noise = ai->wstats.qual.noise;
7306 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7308 /* Add encryption capability */
7309 iwe.cmd = SIOCGIWENCODE;
7310 if(capabilities & CAP_PRIVACY)
7311 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7313 iwe.u.data.flags = IW_ENCODE_DISABLED;
7314 iwe.u.data.length = 0;
7315 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7317 /* Rate : stuffing multiple values in a single event require a bit
7318 * more of magic - Jean II */
7319 current_val = current_ev + IW_EV_LCP_LEN;
7321 iwe.cmd = SIOCGIWRATE;
7322 /* Those two flags are ignored... */
7323 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7325 for(i = 0 ; i < 8 ; i++) {
7326 /* NULL terminated */
7327 if(bss->rates[i] == 0)
7329 /* Bit rate given in 500 kb/s units (+ 0x80) */
7330 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7331 /* Add new value to event */
7332 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7334 /* Check if we added any event */
7335 if((current_val - current_ev) > IW_EV_LCP_LEN)
7336 current_ev = current_val;
7338 /* Beacon interval */
7339 buf = kmalloc(30, GFP_KERNEL);
7341 iwe.cmd = IWEVCUSTOM;
7342 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7343 iwe.u.data.length = strlen(buf);
7344 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7348 /* Put WPA/RSN Information Elements into the event stream */
7349 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7350 unsigned int num_null_ies = 0;
7351 u16 length = sizeof (bss->extra.iep);
7352 struct ieee80211_info_element *info_element =
7353 (struct ieee80211_info_element *) &bss->extra.iep;
7355 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7356 if (sizeof(*info_element) + info_element->len > length) {
7357 /* Invalid element, don't continue parsing IE */
7361 switch (info_element->id) {
7362 case MFIE_TYPE_SSID:
7363 /* Two zero-length SSID elements
7364 * mean we're done parsing elements */
7365 if (!info_element->len)
7369 case MFIE_TYPE_GENERIC:
7370 if (info_element->len >= 4 &&
7371 info_element->data[0] == 0x00 &&
7372 info_element->data[1] == 0x50 &&
7373 info_element->data[2] == 0xf2 &&
7374 info_element->data[3] == 0x01) {
7375 iwe.cmd = IWEVGENIE;
7376 iwe.u.data.length = min(info_element->len + 2,
7378 current_ev = iwe_stream_add_point(current_ev, end_buf,
7379 &iwe, (char *) info_element);
7384 iwe.cmd = IWEVGENIE;
7385 iwe.u.data.length = min(info_element->len + 2,
7387 current_ev = iwe_stream_add_point(current_ev, end_buf,
7388 &iwe, (char *) info_element);
7395 length -= sizeof(*info_element) + info_element->len;
7397 (struct ieee80211_info_element *)&info_element->
7398 data[info_element->len];
7404 /*------------------------------------------------------------------*/
7406 * Wireless Handler : Read Scan Results
7408 static int airo_get_scan(struct net_device *dev,
7409 struct iw_request_info *info,
7410 struct iw_point *dwrq,
7413 struct airo_info *ai = dev->priv;
7414 BSSListElement *net;
7416 char *current_ev = extra;
7418 /* If a scan is in-progress, return -EAGAIN */
7419 if (ai->scan_timeout > 0)
7422 if (down_interruptible(&ai->sem))
7425 list_for_each_entry (net, &ai->network_list, list) {
7426 /* Translate to WE format this entry */
7427 current_ev = airo_translate_scan(dev, current_ev,
7428 extra + dwrq->length,
7431 /* Check if there is space for one more entry */
7432 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7433 /* Ask user space to try again with a bigger buffer */
7439 /* Length of data */
7440 dwrq->length = (current_ev - extra);
7441 dwrq->flags = 0; /* todo */
7448 /*------------------------------------------------------------------*/
7450 * Commit handler : called after a bunch of SET operations
7452 static int airo_config_commit(struct net_device *dev,
7453 struct iw_request_info *info, /* NULL */
7454 void *zwrq, /* NULL */
7455 char *extra) /* NULL */
7457 struct airo_info *local = dev->priv;
7460 if (!test_bit (FLAG_COMMIT, &local->flags))
7463 /* Some of the "SET" function may have modified some of the
7464 * parameters. It's now time to commit them in the card */
7465 disable_MAC(local, 1);
7466 if (test_bit (FLAG_RESET, &local->flags)) {
7467 APListRid APList_rid;
7470 readAPListRid(local, &APList_rid);
7471 readSsidRid(local, &SSID_rid);
7472 if (test_bit(FLAG_MPI,&local->flags))
7473 setup_card(local, dev->dev_addr, 1 );
7475 reset_airo_card(dev);
7476 disable_MAC(local, 1);
7477 writeSsidRid(local, &SSID_rid, 1);
7478 writeAPListRid(local, &APList_rid, 1);
7480 if (down_interruptible(&local->sem))
7481 return -ERESTARTSYS;
7482 writeConfigRid(local, 0);
7483 enable_MAC(local, &rsp, 0);
7484 if (test_bit (FLAG_RESET, &local->flags))
7485 airo_set_promisc(local);
7492 /*------------------------------------------------------------------*/
7494 * Structures to export the Wireless Handlers
7497 static const struct iw_priv_args airo_private_args[] = {
7498 /*{ cmd, set_args, get_args, name } */
7499 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7500 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7501 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7502 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7505 static const iw_handler airo_handler[] =
7507 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7508 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7509 (iw_handler) NULL, /* SIOCSIWNWID */
7510 (iw_handler) NULL, /* SIOCGIWNWID */
7511 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7512 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7513 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7514 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7515 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7516 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7517 (iw_handler) NULL, /* SIOCSIWRANGE */
7518 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7519 (iw_handler) NULL, /* SIOCSIWPRIV */
7520 (iw_handler) NULL, /* SIOCGIWPRIV */
7521 (iw_handler) NULL, /* SIOCSIWSTATS */
7522 (iw_handler) NULL, /* SIOCGIWSTATS */
7523 iw_handler_set_spy, /* SIOCSIWSPY */
7524 iw_handler_get_spy, /* SIOCGIWSPY */
7525 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7526 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7527 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7528 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7529 (iw_handler) NULL, /* -- hole -- */
7530 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7531 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7532 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7533 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7534 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7535 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7536 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7537 (iw_handler) NULL, /* -- hole -- */
7538 (iw_handler) NULL, /* -- hole -- */
7539 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7540 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7541 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7542 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7543 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7544 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7545 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7546 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7547 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7548 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7549 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7550 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7551 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7552 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7553 (iw_handler) NULL, /* -- hole -- */
7554 (iw_handler) NULL, /* -- hole -- */
7555 (iw_handler) NULL, /* SIOCSIWGENIE */
7556 (iw_handler) NULL, /* SIOCGIWGENIE */
7557 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7558 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7559 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7560 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7561 (iw_handler) NULL, /* SIOCSIWPMKSA */
7564 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7565 * We want to force the use of the ioctl code, because those can't be
7566 * won't work the iw_handler code (because they simultaneously read
7567 * and write data and iw_handler can't do that).
7568 * Note that it's perfectly legal to read/write on a single ioctl command,
7569 * you just can't use iwpriv and need to force it via the ioctl handler.
7571 static const iw_handler airo_private_handler[] =
7573 NULL, /* SIOCIWFIRSTPRIV */
7576 static const struct iw_handler_def airo_handler_def =
7578 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7579 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7580 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7581 .standard = airo_handler,
7582 .private = airo_private_handler,
7583 .private_args = airo_private_args,
7584 .get_wireless_stats = airo_get_wireless_stats,
7588 * This defines the configuration part of the Wireless Extensions
7589 * Note : irq and spinlock protection will occur in the subroutines
7592 * o Check input value more carefully and fill correct values in range
7593 * o Test and shakeout the bugs (if any)
7597 * Javier Achirica did a great job of merging code from the unnamed CISCO
7598 * developer that added support for flashing the card.
7600 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7603 struct airo_info *ai = (struct airo_info *)dev->priv;
7605 if (ai->power.event)
7615 int val = AIROMAGIC;
7617 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7619 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7628 /* Get the command struct and hand it off for evaluation by
7629 * the proper subfunction
7633 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7638 /* Separate R/W functions bracket legality here
7640 if ( com.command == AIRORSWVERSION ) {
7641 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7646 else if ( com.command <= AIRORRID)
7647 rc = readrids(dev,&com);
7648 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7649 rc = writerids(dev,&com);
7650 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7651 rc = flashcard(dev,&com);
7653 rc = -EINVAL; /* Bad command in ioctl */
7656 #endif /* CISCO_EXT */
7658 // All other calls are currently unsupported
7666 * Get the Wireless stats out of the driver
7667 * Note : irq and spinlock protection will occur in the subroutines
7670 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7674 static void airo_read_wireless_stats(struct airo_info *local)
7676 StatusRid status_rid;
7678 CapabilityRid cap_rid;
7679 u32 *vals = stats_rid.vals;
7681 /* Get stats out of the card */
7682 clear_bit(JOB_WSTATS, &local->jobs);
7683 if (local->power.event) {
7687 readCapabilityRid(local, &cap_rid, 0);
7688 readStatusRid(local, &status_rid, 0);
7689 readStatsRid(local, &stats_rid, RID_STATS, 0);
7693 local->wstats.status = status_rid.mode;
7695 /* Signal quality and co */
7697 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7698 /* normalizedSignalStrength appears to be a percentage */
7699 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7701 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7702 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7704 if (status_rid.len >= 124) {
7705 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7706 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7708 local->wstats.qual.noise = 0;
7709 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7712 /* Packets discarded in the wireless adapter due to wireless
7713 * specific problems */
7714 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7715 local->wstats.discard.code = vals[6];/* RxWepErr */
7716 local->wstats.discard.fragment = vals[30];
7717 local->wstats.discard.retries = vals[10];
7718 local->wstats.discard.misc = vals[1] + vals[32];
7719 local->wstats.miss.beacon = vals[34];
7722 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7724 struct airo_info *local = dev->priv;
7726 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7727 /* Get stats out of the card if available */
7728 if (down_trylock(&local->sem) != 0) {
7729 set_bit(JOB_WSTATS, &local->jobs);
7730 wake_up_interruptible(&local->thr_wait);
7732 airo_read_wireless_stats(local);
7735 return &local->wstats;
7740 * This just translates from driver IOCTL codes to the command codes to
7741 * feed to the radio's host interface. Things can be added/deleted
7742 * as needed. This represents the READ side of control I/O to
7745 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7746 unsigned short ridcode;
7747 unsigned char *iobuf;
7749 struct airo_info *ai = dev->priv;
7752 if (test_bit(FLAG_FLASHING, &ai->flags))
7755 switch(comp->command)
7757 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7758 case AIROGCFG: ridcode = RID_CONFIG;
7759 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7760 disable_MAC (ai, 1);
7761 writeConfigRid (ai, 1);
7762 enable_MAC (ai, &rsp, 1);
7765 case AIROGSLIST: ridcode = RID_SSID; break;
7766 case AIROGVLIST: ridcode = RID_APLIST; break;
7767 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7768 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7769 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7770 /* Only super-user can read WEP keys */
7771 if (!capable(CAP_NET_ADMIN))
7774 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7775 /* Only super-user can read WEP keys */
7776 if (!capable(CAP_NET_ADMIN))
7779 case AIROGSTAT: ridcode = RID_STATUS; break;
7780 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7781 case AIROGSTATSC32: ridcode = RID_STATS; break;
7783 if (copy_to_user(comp->data, &ai->micstats,
7784 min((int)comp->len,(int)sizeof(ai->micstats))))
7787 case AIRORRID: ridcode = comp->ridnum; break;
7793 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7796 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7797 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7798 * then return it to the user
7799 * 9/22/2000 Honor user given length
7803 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7812 * Danger Will Robinson write the rids here
7815 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7816 struct airo_info *ai = dev->priv;
7820 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7821 unsigned char *iobuf;
7823 /* Only super-user can write RIDs */
7824 if (!capable(CAP_NET_ADMIN))
7827 if (test_bit(FLAG_FLASHING, &ai->flags))
7831 writer = do_writerid;
7833 switch(comp->command)
7835 case AIROPSIDS: ridcode = RID_SSID; break;
7836 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7837 case AIROPAPLIST: ridcode = RID_APLIST; break;
7838 case AIROPCFG: ai->config.len = 0;
7839 clear_bit(FLAG_COMMIT, &ai->flags);
7840 ridcode = RID_CONFIG; break;
7841 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7842 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7843 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7844 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7846 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7847 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7849 /* this is not really a rid but a command given to the card
7853 if (enable_MAC(ai, &rsp, 1) != 0)
7858 * Evidently this code in the airo driver does not get a symbol
7859 * as disable_MAC. it's probably so short the compiler does not gen one.
7865 /* This command merely clears the counts does not actually store any data
7866 * only reads rid. But as it changes the cards state, I put it in the
7867 * writerid routines.
7870 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7873 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7875 enabled = ai->micstats.enabled;
7876 memset(&ai->micstats,0,sizeof(ai->micstats));
7877 ai->micstats.enabled = enabled;
7879 if (copy_to_user(comp->data, iobuf,
7880 min((int)comp->len, (int)RIDSIZE))) {
7888 return -EOPNOTSUPP; /* Blarg! */
7890 if(comp->len > RIDSIZE)
7893 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7896 if (copy_from_user(iobuf,comp->data,comp->len)) {
7901 if (comp->command == AIROPCFG) {
7902 ConfigRid *cfg = (ConfigRid *)iobuf;
7904 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7905 cfg->opmode |= MODE_MIC;
7907 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7908 set_bit (FLAG_ADHOC, &ai->flags);
7910 clear_bit (FLAG_ADHOC, &ai->flags);
7913 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7921 /*****************************************************************************
7922 * Ancillary flash / mod functions much black magic lurkes here *
7923 *****************************************************************************
7927 * Flash command switch table
7930 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7933 /* Only super-user can modify flash */
7934 if (!capable(CAP_NET_ADMIN))
7937 switch(comp->command)
7940 return cmdreset((struct airo_info *)dev->priv);
7943 if (!((struct airo_info *)dev->priv)->flash &&
7944 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7946 return setflashmode((struct airo_info *)dev->priv);
7948 case AIROFLSHGCHR: /* Get char from aux */
7949 if(comp->len != sizeof(int))
7951 if (copy_from_user(&z,comp->data,comp->len))
7953 return flashgchar((struct airo_info *)dev->priv,z,8000);
7955 case AIROFLSHPCHR: /* Send char to card. */
7956 if(comp->len != sizeof(int))
7958 if (copy_from_user(&z,comp->data,comp->len))
7960 return flashpchar((struct airo_info *)dev->priv,z,8000);
7962 case AIROFLPUTBUF: /* Send 32k to card */
7963 if (!((struct airo_info *)dev->priv)->flash)
7965 if(comp->len > FLASHSIZE)
7967 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7970 flashputbuf((struct airo_info *)dev->priv);
7974 if(flashrestart((struct airo_info *)dev->priv,dev))
7981 #define FLASH_COMMAND 0x7e7e
7985 * Disable MAC and do soft reset on
7989 static int cmdreset(struct airo_info *ai) {
7993 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7997 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7999 ssleep(1); /* WAS 600 12/7/00 */
8002 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8009 * Put the card in legendary flash
8013 static int setflashmode (struct airo_info *ai) {
8014 set_bit (FLAG_FLASHING, &ai->flags);
8016 OUT4500(ai, SWS0, FLASH_COMMAND);
8017 OUT4500(ai, SWS1, FLASH_COMMAND);
8019 OUT4500(ai, SWS0, FLASH_COMMAND);
8020 OUT4500(ai, COMMAND,0x10);
8022 OUT4500(ai, SWS2, FLASH_COMMAND);
8023 OUT4500(ai, SWS3, FLASH_COMMAND);
8024 OUT4500(ai, COMMAND,0);
8026 msleep(500); /* 500ms delay */
8029 clear_bit (FLAG_FLASHING, &ai->flags);
8030 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8036 /* Put character to SWS0 wait for dwelltime
8040 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8051 /* Wait for busy bit d15 to go false indicating buffer empty */
8052 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8057 /* timeout for busy clear wait */
8059 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8063 /* Port is clear now write byte and wait for it to echo back */
8065 OUT4500(ai,SWS0,byte);
8068 echo = IN4500(ai,SWS1);
8069 } while (dwelltime >= 0 && echo != byte);
8073 return (echo == byte) ? 0 : -EIO;
8077 * Get a character from the card matching matchbyte
8080 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8082 unsigned char rbyte=0;
8085 rchar = IN4500(ai,SWS1);
8087 if(dwelltime && !(0x8000 & rchar)){
8092 rbyte = 0xff & rchar;
8094 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8098 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8102 }while(dwelltime > 0);
8107 * Transfer 32k of firmware data from user buffer to our buffer and
8111 static int flashputbuf(struct airo_info *ai){
8115 if (test_bit(FLAG_MPI,&ai->flags))
8116 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8118 OUT4500(ai,AUXPAGE,0x100);
8119 OUT4500(ai,AUXOFF,0);
8121 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8122 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8125 OUT4500(ai,SWS0,0x8000);
8133 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8136 ssleep(1); /* Added 12/7/00 */
8137 clear_bit (FLAG_FLASHING, &ai->flags);
8138 if (test_bit(FLAG_MPI, &ai->flags)) {
8139 status = mpi_init_descriptors(ai);
8140 if (status != SUCCESS)
8143 status = setup_card(ai, dev->dev_addr, 1);
8145 if (!test_bit(FLAG_MPI,&ai->flags))
8146 for( i = 0; i < MAX_FIDS; i++ ) {
8147 ai->fids[i] = transmit_allocate
8148 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8151 ssleep(1); /* Added 12/7/00 */
8154 #endif /* CISCO_EXT */
8157 This program is free software; you can redistribute it and/or
8158 modify it under the terms of the GNU General Public License
8159 as published by the Free Software Foundation; either version 2
8160 of the License, or (at your option) any later version.
8162 This program is distributed in the hope that it will be useful,
8163 but WITHOUT ANY WARRANTY; without even the implied warranty of
8164 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8165 GNU General Public License for more details.
8169 Redistribution and use in source and binary forms, with or without
8170 modification, are permitted provided that the following conditions
8173 1. Redistributions of source code must retain the above copyright
8174 notice, this list of conditions and the following disclaimer.
8175 2. Redistributions in binary form must reproduce the above copyright
8176 notice, this list of conditions and the following disclaimer in the
8177 documentation and/or other materials provided with the distribution.
8178 3. The name of the author may not be used to endorse or promote
8179 products derived from this software without specific prior written
8182 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8183 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8184 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8185 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8186 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8187 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8188 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8189 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8190 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8191 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8192 POSSIBILITY OF SUCH DAMAGE.
8195 module_init(airo_init_module);
8196 module_exit(airo_cleanup_module);
projects / linux-2.6 / blob