1 /*======================================================================
3 Aironet driver for 4500 and 4800 series cards
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet. Major code contributions were received from Javier Achirica
15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
16 Code was also integrated from the Cisco Aironet driver for Linux.
17 Support for MPI350 cards was added by Fabrice Bellet
18 <fabrice@bellet.info>.
20 ======================================================================*/
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/smp_lock.h>
30 #include <linux/sched.h>
31 #include <linux/ptrace.h>
32 #include <linux/slab.h>
33 #include <linux/string.h>
34 #include <linux/timer.h>
35 #include <linux/interrupt.h>
37 #include <linux/bitops.h>
38 #include <linux/scatterlist.h>
39 #include <linux/crypto.h>
41 #include <asm/system.h>
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/if_arp.h>
47 #include <linux/ioport.h>
48 #include <linux/pci.h>
49 #include <asm/uaccess.h>
50 #include <net/ieee80211.h>
51 #include <linux/kthread.h>
52 #include <linux/freezer.h>
57 static struct pci_device_id card_ids[] = {
58 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
59 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
60 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
64 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
67 MODULE_DEVICE_TABLE(pci, card_ids);
69 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
70 static void airo_pci_remove(struct pci_dev *);
71 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
72 static int airo_pci_resume(struct pci_dev *pdev);
74 static struct pci_driver airo_driver = {
77 .probe = airo_pci_probe,
78 .remove = __devexit_p(airo_pci_remove),
79 .suspend = airo_pci_suspend,
80 .resume = airo_pci_resume,
82 #endif /* CONFIG_PCI */
84 /* Include Wireless Extension definition and check version - Jean II */
85 #include <linux/wireless.h>
86 #define WIRELESS_SPY // enable iwspy support
87 #include <net/iw_handler.h> // New driver API
89 #define CISCO_EXT // enable Cisco extensions
91 #include <linux/delay.h>
94 /* Hack to do some power saving */
97 /* As you can see this list is HUGH!
98 I really don't know what a lot of these counts are about, but they
99 are all here for completeness. If the IGNLABEL macro is put in
100 infront of the label, that statistic will not be included in the list
101 of statistics in the /proc filesystem */
103 #define IGNLABEL(comment) NULL
104 static char *statsLabels[] = {
106 IGNLABEL("RxPlcpCrcErr"),
107 IGNLABEL("RxPlcpFormatErr"),
108 IGNLABEL("RxPlcpLengthErr"),
139 "LostSync-MissedBeacons",
140 "LostSync-ArlExceeded",
142 "LostSync-Disassoced",
143 "LostSync-TsfTiming",
152 IGNLABEL("HmacTxMc"),
153 IGNLABEL("HmacTxBc"),
154 IGNLABEL("HmacTxUc"),
155 IGNLABEL("HmacTxFail"),
156 IGNLABEL("HmacRxMc"),
157 IGNLABEL("HmacRxBc"),
158 IGNLABEL("HmacRxUc"),
159 IGNLABEL("HmacRxDiscard"),
160 IGNLABEL("HmacRxAccepted"),
168 IGNLABEL("ReasonOutsideTable"),
169 IGNLABEL("ReasonStatus1"),
170 IGNLABEL("ReasonStatus2"),
171 IGNLABEL("ReasonStatus3"),
172 IGNLABEL("ReasonStatus4"),
173 IGNLABEL("ReasonStatus5"),
174 IGNLABEL("ReasonStatus6"),
175 IGNLABEL("ReasonStatus7"),
176 IGNLABEL("ReasonStatus8"),
177 IGNLABEL("ReasonStatus9"),
178 IGNLABEL("ReasonStatus10"),
179 IGNLABEL("ReasonStatus11"),
180 IGNLABEL("ReasonStatus12"),
181 IGNLABEL("ReasonStatus13"),
182 IGNLABEL("ReasonStatus14"),
183 IGNLABEL("ReasonStatus15"),
184 IGNLABEL("ReasonStatus16"),
185 IGNLABEL("ReasonStatus17"),
186 IGNLABEL("ReasonStatus18"),
187 IGNLABEL("ReasonStatus19"),
207 #define RUN_AT(x) (jiffies+(x))
211 /* These variables are for insmod, since it seems that the rates
212 can only be set in setup_card. Rates should be a comma separated
213 (no spaces) list of rates (up to 8). */
216 static int basic_rate;
217 static char *ssids[3];
223 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
224 0 means no limit. For old cards this was 4 */
226 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
227 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
228 the bap, needed on some older cards and buses. */
231 static int probe = 1;
233 static int proc_uid /* = 0 */;
235 static int proc_gid /* = 0 */;
237 static int airo_perm = 0555;
239 static int proc_perm = 0644;
241 MODULE_AUTHOR("Benjamin Reed");
242 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
243 cards. Direct support for ISA/PCI/MPI cards and support \
244 for PCMCIA when used with airo_cs.");
245 MODULE_LICENSE("Dual BSD/GPL");
246 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
247 module_param_array(io, int, NULL, 0);
248 module_param_array(irq, int, NULL, 0);
249 module_param(basic_rate, int, 0);
250 module_param_array(rates, int, NULL, 0);
251 module_param_array(ssids, charp, NULL, 0);
252 module_param(auto_wep, int, 0);
253 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
254 the authentication options until an association is made. The value of \
255 auto_wep is number of the wep keys to check. A value of 2 will try using \
256 the key at index 0 and index 1.");
257 module_param(aux_bap, int, 0);
258 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
259 than seems to work better for older cards with some older buses. Before \
260 switching it checks that the switch is needed.");
261 module_param(maxencrypt, int, 0);
262 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
263 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
264 Older cards used to be limited to 2mbs (4).");
265 module_param(adhoc, int, 0);
266 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
267 module_param(probe, int, 0);
268 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
270 module_param(proc_uid, int, 0);
271 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
272 module_param(proc_gid, int, 0);
273 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
274 module_param(airo_perm, int, 0);
275 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
276 module_param(proc_perm, int, 0);
277 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
279 /* This is a kind of sloppy hack to get this information to OUT4500 and
280 IN4500. I would be extremely interested in the situation where this
281 doesn't work though!!! */
282 static int do8bitIO = 0;
291 #define MAC_ENABLE 0x0001
292 #define MAC_DISABLE 0x0002
293 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
294 #define CMD_SOFTRESET 0x0004
295 #define HOSTSLEEP 0x0005
296 #define CMD_MAGIC_PKT 0x0006
297 #define CMD_SETWAKEMASK 0x0007
298 #define CMD_READCFG 0x0008
299 #define CMD_SETMODE 0x0009
300 #define CMD_ALLOCATETX 0x000a
301 #define CMD_TRANSMIT 0x000b
302 #define CMD_DEALLOCATETX 0x000c
304 #define CMD_WORKAROUND 0x0011
305 #define CMD_ALLOCATEAUX 0x0020
306 #define CMD_ACCESS 0x0021
307 #define CMD_PCIBAP 0x0022
308 #define CMD_PCIAUX 0x0023
309 #define CMD_ALLOCBUF 0x0028
310 #define CMD_GETTLV 0x0029
311 #define CMD_PUTTLV 0x002a
312 #define CMD_DELTLV 0x002b
313 #define CMD_FINDNEXTTLV 0x002c
314 #define CMD_PSPNODES 0x0030
315 #define CMD_SETCW 0x0031
316 #define CMD_SETPCF 0x0032
317 #define CMD_SETPHYREG 0x003e
318 #define CMD_TXTEST 0x003f
319 #define MAC_ENABLETX 0x0101
320 #define CMD_LISTBSS 0x0103
321 #define CMD_SAVECFG 0x0108
322 #define CMD_ENABLEAUX 0x0111
323 #define CMD_WRITERID 0x0121
324 #define CMD_USEPSPNODES 0x0130
325 #define MAC_ENABLERX 0x0201
328 #define ERROR_QUALIF 0x00
329 #define ERROR_ILLCMD 0x01
330 #define ERROR_ILLFMT 0x02
331 #define ERROR_INVFID 0x03
332 #define ERROR_INVRID 0x04
333 #define ERROR_LARGE 0x05
334 #define ERROR_NDISABL 0x06
335 #define ERROR_ALLOCBSY 0x07
336 #define ERROR_NORD 0x0B
337 #define ERROR_NOWR 0x0C
338 #define ERROR_INVFIDTX 0x0D
339 #define ERROR_TESTACT 0x0E
340 #define ERROR_TAGNFND 0x12
341 #define ERROR_DECODE 0x20
342 #define ERROR_DESCUNAV 0x21
343 #define ERROR_BADLEN 0x22
344 #define ERROR_MODE 0x80
345 #define ERROR_HOP 0x81
346 #define ERROR_BINTER 0x82
347 #define ERROR_RXMODE 0x83
348 #define ERROR_MACADDR 0x84
349 #define ERROR_RATES 0x85
350 #define ERROR_ORDER 0x86
351 #define ERROR_SCAN 0x87
352 #define ERROR_AUTH 0x88
353 #define ERROR_PSMODE 0x89
354 #define ERROR_RTYPE 0x8A
355 #define ERROR_DIVER 0x8B
356 #define ERROR_SSID 0x8C
357 #define ERROR_APLIST 0x8D
358 #define ERROR_AUTOWAKE 0x8E
359 #define ERROR_LEAP 0x8F
370 #define LINKSTAT 0x10
374 #define TXALLOCFID 0x22
375 #define TXCOMPLFID 0x24
390 /* Offset into aux memory for descriptors */
391 #define AUX_OFFSET 0x800
392 /* Size of allocated packets */
395 /* Size of the transmit queue */
399 #define BAP0 0 // Used for receiving packets
400 #define BAP1 2 // Used for xmiting packets and working with RIDS
403 #define COMMAND_BUSY 0x8000
405 #define BAP_BUSY 0x8000
406 #define BAP_ERR 0x4000
407 #define BAP_DONE 0x2000
409 #define PROMISC 0xffff
410 #define NOPROMISC 0x0000
413 #define EV_CLEARCOMMANDBUSY 0x4000
416 #define EV_TXEXC 0x04
417 #define EV_ALLOC 0x08
419 #define EV_AWAKE 0x100
420 #define EV_TXCPY 0x400
421 #define EV_UNKNOWN 0x800
422 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
423 #define EV_AWAKEN 0x2000
424 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
426 #ifdef CHECK_UNKNOWN_INTS
427 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
429 #define IGNORE_INTS (~STATUS_INTS)
436 #define RID_CAPABILITIES 0xFF00
437 #define RID_APINFO 0xFF01
438 #define RID_RADIOINFO 0xFF02
439 #define RID_UNKNOWN3 0xFF03
440 #define RID_RSSI 0xFF04
441 #define RID_CONFIG 0xFF10
442 #define RID_SSID 0xFF11
443 #define RID_APLIST 0xFF12
444 #define RID_DRVNAME 0xFF13
445 #define RID_ETHERENCAP 0xFF14
446 #define RID_WEP_TEMP 0xFF15
447 #define RID_WEP_PERM 0xFF16
448 #define RID_MODULATION 0xFF17
449 #define RID_OPTIONS 0xFF18
450 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
451 #define RID_FACTORYCONFIG 0xFF21
452 #define RID_UNKNOWN22 0xFF22
453 #define RID_LEAPUSERNAME 0xFF23
454 #define RID_LEAPPASSWORD 0xFF24
455 #define RID_STATUS 0xFF50
456 #define RID_BEACON_HST 0xFF51
457 #define RID_BUSY_HST 0xFF52
458 #define RID_RETRIES_HST 0xFF53
459 #define RID_UNKNOWN54 0xFF54
460 #define RID_UNKNOWN55 0xFF55
461 #define RID_UNKNOWN56 0xFF56
462 #define RID_MIC 0xFF57
463 #define RID_STATS16 0xFF60
464 #define RID_STATS16DELTA 0xFF61
465 #define RID_STATS16DELTACLEAR 0xFF62
466 #define RID_STATS 0xFF68
467 #define RID_STATSDELTA 0xFF69
468 #define RID_STATSDELTACLEAR 0xFF6A
469 #define RID_ECHOTEST_RID 0xFF70
470 #define RID_ECHOTEST_RESULTS 0xFF71
471 #define RID_BSSLISTFIRST 0xFF72
472 #define RID_BSSLISTNEXT 0xFF73
473 #define RID_WPA_BSSLISTFIRST 0xFF74
474 #define RID_WPA_BSSLISTNEXT 0xFF75
491 * Rids and endian-ness: The Rids will always be in cpu endian, since
492 * this all the patches from the big-endian guys end up doing that.
493 * so all rid access should use the read/writeXXXRid routines.
496 /* This is redundant for x86 archs, but it seems necessary for ARM */
499 /* This structure came from an email sent to me from an engineer at
500 aironet for inclusion into this driver */
509 /* These structures are from the Aironet's PC4500 Developers Manual */
523 #define MOD_DEFAULT 0
529 u16 len; /* sizeof(ConfigRid) */
530 u16 opmode; /* operating mode */
531 #define MODE_STA_IBSS 0
532 #define MODE_STA_ESS 1
534 #define MODE_AP_RPTR 3
535 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
536 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
537 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
538 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
539 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
540 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
541 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
542 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
543 #define MODE_MIC (1<<15) /* enable MIC */
544 u16 rmode; /* receive mode */
545 #define RXMODE_BC_MC_ADDR 0
546 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
547 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
548 #define RXMODE_RFMON 3 /* wireless monitor mode */
549 #define RXMODE_RFMON_ANYBSS 4
550 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
551 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
552 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
555 u8 macAddr[ETH_ALEN];
559 u16 txLifetime; /* in kusec */
560 u16 rxLifetime; /* in kusec */
563 u16 u16deviceType; /* for overriding device type */
567 /*---------- Scanning/Associating ----------*/
569 #define SCANMODE_ACTIVE 0
570 #define SCANMODE_PASSIVE 1
571 #define SCANMODE_AIROSCAN 2
572 u16 probeDelay; /* in kusec */
573 u16 probeEnergyTimeout; /* in kusec */
574 u16 probeResponseTimeout;
575 u16 beaconListenTimeout;
579 #define AUTH_OPEN 0x1
580 #define AUTH_ENCRYPT 0x101
581 #define AUTH_SHAREDKEY 0x102
582 #define AUTH_ALLOW_UNENCRYPTED 0x200
583 u16 associationTimeout;
584 u16 specifiedApTimeout;
585 u16 offlineScanInterval;
586 u16 offlineScanDuration;
588 u16 maxBeaconLostTime;
590 #define DISABLE_REFRESH 0xFFFF
592 /*---------- Power save operation ----------*/
594 #define POWERSAVE_CAM 0
595 #define POWERSAVE_PSP 1
596 #define POWERSAVE_PSPCAM 2
599 u16 fastListenInterval;
603 /*---------- Ap/Ibss config items ----------*/
612 /*---------- Radio configuration ----------*/
614 #define RADIOTYPE_DEFAULT 0
615 #define RADIOTYPE_802_11 1
616 #define RADIOTYPE_LEGACY 2
620 #define TXPOWER_DEFAULT 0
622 #define RSSI_DEFAULT 0
624 #define PREAMBLE_AUTO 0
625 #define PREAMBLE_LONG 1
626 #define PREAMBLE_SHORT 2
630 /*---------- Aironet Extensions ----------*/
636 /*---------- Aironet Extensions ----------*/
638 #define MAGIC_ACTION_STSCHG 1
639 #define MAGIC_ACTION_RESUME 2
640 #define MAGIC_IGNORE_MCAST (1<<8)
641 #define MAGIC_IGNORE_BCAST (1<<9)
642 #define MAGIC_SWITCH_TO_PSP (0<<10)
643 #define MAGIC_STAY_IN_CAM (1<<10)
657 u8 bssid[4][ETH_ALEN];
671 u16 normalizedSignalStrength;
674 u8 noisePercent; /* Noise percent in last second */
675 u8 noisedBm; /* Noise dBm in last second */
676 u8 noiseAvePercent; /* Noise percent in last minute */
677 u8 noiseAvedBm; /* Noise dBm in last minute */
678 u8 noiseMaxPercent; /* Highest noise percent in last minute */
679 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
683 #define STAT_NOPACKETS 0
684 #define STAT_NOCARRIERSET 10
685 #define STAT_GOTCARRIERSET 11
686 #define STAT_WRONGSSID 20
687 #define STAT_BADCHANNEL 25
688 #define STAT_BADBITRATES 30
689 #define STAT_BADPRIVACY 35
690 #define STAT_APFOUND 40
691 #define STAT_APREJECTED 50
692 #define STAT_AUTHENTICATING 60
693 #define STAT_DEAUTHENTICATED 61
694 #define STAT_AUTHTIMEOUT 62
695 #define STAT_ASSOCIATING 70
696 #define STAT_DEASSOCIATED 71
697 #define STAT_ASSOCTIMEOUT 72
698 #define STAT_NOTAIROAP 73
699 #define STAT_ASSOCIATED 80
700 #define STAT_LEAPING 90
701 #define STAT_LEAPFAILED 91
702 #define STAT_LEAPTIMEDOUT 92
703 #define STAT_LEAPCOMPLETE 93
726 char factoryAddr[ETH_ALEN];
727 char aironetAddr[ETH_ALEN];
730 char callid[ETH_ALEN];
731 char supportedRates[8];
734 u16 txPowerLevels[8];
748 /* Only present on firmware >= 5.30.17 */
751 u8 fixed[12]; /* WLAN management frame */
757 u16 index; /* First is 0 and 0xffff means end of list */
758 #define RADIO_FH 1 /* Frequency hopping radio type */
759 #define RADIO_DS 2 /* Direct sequence radio type */
760 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
762 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
767 #define CAP_ESS (1<<0)
768 #define CAP_IBSS (1<<1)
769 #define CAP_PRIVACY (1<<4)
770 #define CAP_SHORTHDR (1<<5)
773 u8 rates[8]; /* Same as rates for config rid */
774 struct { /* For frequency hopping only */
784 /* Only present on firmware >= 5.30.17 */
785 BSSListRidExtra extra;
790 struct list_head list;
836 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
837 #define TXCTL_TXEX (1<<2) /* report if tx fails */
838 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
839 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
840 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
841 #define TXCTL_LLC (1<<4) /* payload is llc */
842 #define TXCTL_RELEASE (0<<5) /* release after completion */
843 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
845 #define BUSY_FID 0x10000
848 #define AIROMAGIC 0xa55a
849 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
850 #ifdef SIOCIWFIRSTPRIV
851 #ifdef SIOCDEVPRIVATE
852 #define AIROOLDIOCTL SIOCDEVPRIVATE
853 #define AIROOLDIDIFC AIROOLDIOCTL + 1
854 #endif /* SIOCDEVPRIVATE */
855 #else /* SIOCIWFIRSTPRIV */
856 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
857 #endif /* SIOCIWFIRSTPRIV */
858 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
859 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
860 * only and don't return the modified struct ifreq to the application which
861 * is usually a problem. - Jean II */
862 #define AIROIOCTL SIOCIWFIRSTPRIV
863 #define AIROIDIFC AIROIOCTL + 1
865 /* Ioctl constants to be used in airo_ioctl.command */
867 #define AIROGCAP 0 // Capability rid
868 #define AIROGCFG 1 // USED A LOT
869 #define AIROGSLIST 2 // System ID list
870 #define AIROGVLIST 3 // List of specified AP's
871 #define AIROGDRVNAM 4 // NOTUSED
872 #define AIROGEHTENC 5 // NOTUSED
873 #define AIROGWEPKTMP 6
874 #define AIROGWEPKNV 7
876 #define AIROGSTATSC32 9
877 #define AIROGSTATSD32 10
878 #define AIROGMICRID 11
879 #define AIROGMICSTATS 12
880 #define AIROGFLAGS 13
883 #define AIRORSWVERSION 17
885 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
887 #define AIROPCAP AIROGSTATSD32 + 40
888 #define AIROPVLIST AIROPCAP + 1
889 #define AIROPSLIST AIROPVLIST + 1
890 #define AIROPCFG AIROPSLIST + 1
891 #define AIROPSIDS AIROPCFG + 1
892 #define AIROPAPLIST AIROPSIDS + 1
893 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
894 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
895 #define AIROPSTCLR AIROPMACOFF + 1
896 #define AIROPWEPKEY AIROPSTCLR + 1
897 #define AIROPWEPKEYNV AIROPWEPKEY + 1
898 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
899 #define AIROPLEAPUSR AIROPLEAPPWD + 1
903 #define AIROFLSHRST AIROPWEPKEYNV + 40
904 #define AIROFLSHGCHR AIROFLSHRST + 1
905 #define AIROFLSHSTFL AIROFLSHGCHR + 1
906 #define AIROFLSHPCHR AIROFLSHSTFL + 1
907 #define AIROFLPUTBUF AIROFLSHPCHR + 1
908 #define AIRORESTART AIROFLPUTBUF + 1
910 #define FLASHSIZE 32768
911 #define AUXMEMSIZE (256 * 1024)
913 typedef struct aironet_ioctl {
914 unsigned short command; // What to do
915 unsigned short len; // Len of data
916 unsigned short ridnum; // rid number
917 unsigned char __user *data; // d-data
920 static char swversion[] = "2.1";
921 #endif /* CISCO_EXT */
923 #define NUM_MODULES 2
924 #define MIC_MSGLEN_MAX 2400
925 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
926 #define AIRO_DEF_MTU 2312
930 u8 enabled; // MIC enabled or not
931 u32 rxSuccess; // successful packets received
932 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
933 u32 rxNotMICed; // pkts dropped due to not being MIC'd
934 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
935 u32 rxWrongSequence; // pkts dropped due to sequence number violation
940 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
941 u64 accum; // accumulated mic, reduced to u32 in final()
942 int position; // current position (byte offset) in message
946 } part; // saves partial message word across update() calls
950 emmh32_context seed; // Context - the seed
951 u32 rx; // Received sequence number
952 u32 tx; // Tx sequence number
953 u32 window; // Start of window
954 u8 valid; // Flag to say if context is valid or not
959 miccntx mCtx; // Multicast context
960 miccntx uCtx; // Unicast context
964 unsigned int rid: 16;
965 unsigned int len: 15;
966 unsigned int valid: 1;
967 dma_addr_t host_addr;
971 unsigned int offset: 15;
973 unsigned int len: 15;
974 unsigned int valid: 1;
975 dma_addr_t host_addr;
979 unsigned int ctl: 15;
981 unsigned int len: 15;
982 unsigned int valid: 1;
983 dma_addr_t host_addr;
987 * Host receive descriptor
990 unsigned char __iomem *card_ram_off; /* offset into card memory of the
992 RxFid rx_desc; /* card receive descriptor */
993 char *virtual_host_addr; /* virtual address of host receive
999 * Host transmit descriptor
1002 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1004 TxFid tx_desc; /* card transmit descriptor */
1005 char *virtual_host_addr; /* virtual address of host receive
1011 * Host RID descriptor
1014 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1016 Rid rid_desc; /* card RID descriptor */
1017 char *virtual_host_addr; /* virtual address of host receive
1026 #define HOST_SET (1 << 0)
1027 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1028 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1029 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1030 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1031 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1032 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1033 #define HOST_RTS (1 << 9) /* Force RTS use */
1034 #define HOST_SHORT (1 << 10) /* Do short preamble */
1061 static WifiCtlHdr wifictlhdr8023 = {
1063 .ctl = HOST_DONT_RLSE,
1067 // Frequency list (map channels to frequencies)
1068 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1069 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1071 // A few details needed for WEP (Wireless Equivalent Privacy)
1072 #define MAX_KEY_SIZE 13 // 128 (?) bits
1073 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1074 typedef struct wep_key_t {
1076 u8 key[16]; /* 40-bit and 104-bit keys */
1079 /* Backward compatibility */
1080 #ifndef IW_ENCODE_NOKEY
1081 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1082 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1083 #endif /* IW_ENCODE_NOKEY */
1085 /* List of Wireless Handlers (new API) */
1086 static const struct iw_handler_def airo_handler_def;
1088 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1092 static int get_dec_u16( char *buffer, int *start, int limit );
1093 static void OUT4500( struct airo_info *, u16 register, u16 value );
1094 static unsigned short IN4500( struct airo_info *, u16 register );
1095 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1096 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1097 static void disable_MAC(struct airo_info *ai, int lock);
1098 static void enable_interrupts(struct airo_info*);
1099 static void disable_interrupts(struct airo_info*);
1100 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1101 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1102 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1104 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1106 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1108 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1109 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1110 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1111 *pBuf, int len, int lock);
1112 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1113 int len, int dummy );
1114 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1115 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1116 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1118 static int mpi_send_packet (struct net_device *dev);
1119 static void mpi_unmap_card(struct pci_dev *pci);
1120 static void mpi_receive_802_3(struct airo_info *ai);
1121 static void mpi_receive_802_11(struct airo_info *ai);
1122 static int waitbusy (struct airo_info *ai);
1124 static irqreturn_t airo_interrupt( int irq, void* dev_id);
1125 static int airo_thread(void *data);
1126 static void timer_func( struct net_device *dev );
1127 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1128 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1129 static void airo_read_wireless_stats (struct airo_info *local);
1131 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1132 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1133 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1134 #endif /* CISCO_EXT */
1135 static void micinit(struct airo_info *ai);
1136 static int micsetup(struct airo_info *ai);
1137 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1138 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1140 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1141 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1143 static void airo_networks_free(struct airo_info *ai);
1146 struct net_device_stats stats;
1147 struct net_device *dev;
1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1151 #define MPI_MAX_FIDS 1
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
1158 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160 #define FLAG_RADIO_MASK 0x03
1161 #define FLAG_ENABLED 2
1162 #define FLAG_ADHOC 3 /* Needed by MIC */
1163 #define FLAG_MIC_CAPABLE 4
1164 #define FLAG_UPDATE_MULTI 5
1165 #define FLAG_UPDATE_UNI 6
1166 #define FLAG_802_11 7
1167 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1168 #define FLAG_PENDING_XMIT 9
1169 #define FLAG_PENDING_XMIT11 10
1171 #define FLAG_REGISTERED 12
1172 #define FLAG_COMMIT 13
1173 #define FLAG_RESET 14
1174 #define FLAG_FLASHING 15
1175 #define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1179 #define JOB_XMIT11 2
1181 #define JOB_PROMISC 4
1184 #define JOB_AUTOWEP 7
1185 #define JOB_WSTATS 8
1186 #define JOB_SCAN_RESULTS 9
1188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1190 unsigned short *flash;
1192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
1194 struct semaphore sem;
1195 wait_queue_head_t thr_wait;
1196 unsigned long expires;
1198 struct sk_buff *skb;
1201 struct net_device *wifidev;
1202 struct iw_statistics wstats; // wireless stats
1203 unsigned long scan_timeout; /* Time scan should be read */
1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1207 struct crypto_cipher *tfm;
1209 mic_statistics micstats;
1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1236 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241 static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243 static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1246 static int cmdreset(struct airo_info *ai);
1247 static int setflashmode (struct airo_info *ai);
1248 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249 static int flashputbuf(struct airo_info *ai);
1250 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1268 /***********************************************************************
1270 ***********************************************************************
1273 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274 static void MoveWindow(miccntx *context, u32 micSeq);
1275 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
1277 static void emmh32_init(emmh32_context *context);
1278 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1282 /* micinit - Initialize mic seed */
1284 static void micinit(struct airo_info *ai)
1288 clear_bit(JOB_MIC, &ai->jobs);
1289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1338 /* micsetup - Get ready for business */
1340 static int micsetup(struct airo_info *ai) {
1343 if (ai->tfm == NULL)
1344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1346 if (IS_ERR(ai->tfm)) {
1347 airo_print_err(ai->dev->name, "failed to load transform for AES");
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1359 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1361 /*===========================================================================
1362 * Description: Mic a packet
1364 * Inputs: etherHead * pointer to an 802.3 frame
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1377 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1387 context = &ai->mod[0].uCtx;
1389 if (!context->valid)
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1397 mic->seq = htonl(context->tx);
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1420 /*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1424 * Inputs: etherHead pointer to the 802.3 packet
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1433 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1439 mic_error micError = NONE;
1441 // Check if the packet is a Mic'd packet
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1452 if (ntohs(mic->typelen) == 0x888E)
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1477 //Make sure context is valid
1478 if (!context->valid) {
1480 micError = NOMICPLUMMED;
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1494 emmh32_final(&context->seed, digest);
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1499 micError = INCORRECTMIC;
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1509 micError = SEQUENCE;
1512 // Update statistics
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1523 /*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1530 * Returns: TRUE if valid otherwise FALSE.
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1537 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1559 //Too old of a SEQ number to check.
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1578 MoveWindow(context,micSeq);
1585 static void MoveWindow(miccntx *context, u32 micSeq)
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1595 context->rx >>= shift;
1599 context->window = micSeq; //Move window
1603 /*==============================================*/
1604 /*========== EMMH ROUTINES ====================*/
1605 /*==============================================*/
1607 /* mic accumulate */
1608 #define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1611 static unsigned char aes_counter[16];
1613 /* expand the key to fill the MMH coefficient array */
1614 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1622 u8 *cipher, plain[16];
1624 crypto_cipher_setkey(tfm, pkey, 16);
1626 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1632 memcpy (plain, aes_counter, 16);
1633 crypto_cipher_encrypt_one(tfm, plain, plain);
1635 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1642 /* prepare for calculation of a new mic */
1643 static void emmh32_init(emmh32_context *context)
1645 /* prepare for new mic calculation */
1647 context->position = 0;
1650 /* add some bytes to the mic calculation */
1651 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1653 int coeff_position, byte_position;
1655 if (len == 0) return;
1657 coeff_position = context->position >> 2;
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1672 /* deal with full 32-bit words */
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1680 /* deal with partial 32-bit word that will be left over from this update */
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1689 /* mask used to zero empty bytes for final partial word */
1690 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1692 /* calculate the mic */
1693 static void emmh32_final(emmh32_context *context, u8 digest[4])
1695 int coeff_position, byte_position;
1701 coeff_position = context->position >> 2;
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1726 static int readBSSListRid(struct airo_info *ai, int first,
1733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
1738 ai->list_bss_task = current;
1739 issuecommand(ai, &cmd, &rsp);
1741 /* Let the command take effect */
1742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
1756 list->dBm = le16_to_cpu(list->dBm);
1760 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1769 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1773 WepKeyRid wkr = *pwkr;
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1789 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1799 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1802 SsidRid ssidr = *pssidr;
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1811 static int readConfigRid(struct airo_info*ai, int lock) {
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1840 static inline void checkThrottle(struct airo_info *ai) {
1842 /* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1851 static int writeConfigRid(struct airo_info*ai, int lock) {
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1884 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1897 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1902 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1908 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1920 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1929 static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1950 enable_MAC(info, &rsp, 1);
1952 netif_start_queue(dev);
1956 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1965 npacks = skb_queue_len (&ai->txq);
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1973 skb_queue_tail (&ai->txq, skb);
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1997 static int mpi_send_packet (struct net_device *dev)
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2005 /* get a packet to send */
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2062 dev->trans_start = jiffies;
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2071 OUT4500(ai, EVACK, 8);
2073 dev_kfree_skb_any(skb);
2077 static void get_tx_error(struct airo_info *ai, s32 fid)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2086 bap_read(ai, &status, 2, BAP0);
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2128 static void airo_end_xmit(struct net_device *dev) {
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2136 clear_bit(JOB_XMIT, &priv->jobs);
2137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2154 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2160 if ( skb == NULL ) {
2161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
2186 set_bit(JOB_XMIT, &priv->jobs);
2187 wake_up_interruptible(&priv->thr_wait);
2193 static void airo_end_xmit11(struct net_device *dev) {
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2201 clear_bit(JOB_XMIT11, &priv->jobs);
2202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2215 netif_wake_queue(dev);
2219 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2231 if ( skb == NULL ) {
2232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
2257 set_bit(JOB_XMIT11, &priv->jobs);
2258 wake_up_interruptible(&priv->thr_wait);
2260 airo_end_xmit11(dev);
2264 static void airo_read_stats(struct airo_info *ai) {
2266 u32 *vals = stats_rid.vals;
2268 clear_bit(JOB_STATS, &ai->jobs);
2269 if (ai->power.event) {
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2292 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2294 struct airo_info *local = dev->priv;
2296 if (!test_bit(JOB_STATS, &local->jobs)) {
2297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
2299 set_bit(JOB_STATS, &local->jobs);
2300 wake_up_interruptible(&local->thr_wait);
2302 airo_read_stats(local);
2305 return &local->stats;
2308 static void airo_set_promisc(struct airo_info *ai) {
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
2314 clear_bit(JOB_PROMISC, &ai->jobs);
2315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2320 static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
2326 set_bit(JOB_PROMISC, &ai->jobs);
2327 wake_up_interruptible(&ai->thr_wait);
2329 airo_set_promisc(ai);
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2337 static int airo_set_mac_address(struct net_device *dev, void *p)
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2355 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2364 static int airo_close(struct net_device *dev) {
2365 struct airo_info *ai = dev->priv;
2367 netif_stop_queue(dev);
2369 if (ai->wifidev != dev) {
2370 #ifdef POWER_ON_DOWN
2371 /* Shut power to the card. The idea is that the user can save
2372 * power when he doesn't need the card with "ifconfig down".
2373 * That's the method that is most friendly towards the network
2374 * stack (i.e. the network stack won't try to broadcast
2375 * anything on the interface and routes are gone. Jean II */
2376 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2379 disable_interrupts( ai );
2384 static void del_airo_dev( struct net_device *dev );
2386 void stop_airo_card( struct net_device *dev, int freeres )
2388 struct airo_info *ai = dev->priv;
2390 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2392 disable_interrupts(ai);
2393 free_irq( dev->irq, dev );
2394 takedown_proc_entry( dev, ai );
2395 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2396 unregister_netdev( dev );
2398 unregister_netdev(ai->wifidev);
2399 free_netdev(ai->wifidev);
2402 clear_bit(FLAG_REGISTERED, &ai->flags);
2404 set_bit(JOB_DIE, &ai->jobs);
2405 kthread_stop(ai->airo_thread_task);
2408 * Clean out tx queue
2410 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2411 struct sk_buff *skb = NULL;
2412 for (;(skb = skb_dequeue(&ai->txq));)
2416 airo_networks_free (ai);
2423 /* PCMCIA frees this stuff, so only for PCI and ISA */
2424 release_region( dev->base_addr, 64 );
2425 if (test_bit(FLAG_MPI, &ai->flags)) {
2427 mpi_unmap_card(ai->pci);
2429 iounmap(ai->pcimem);
2431 iounmap(ai->pciaux);
2432 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2433 ai->shared, ai->shared_dma);
2436 crypto_free_cipher(ai->tfm);
2437 del_airo_dev( dev );
2441 EXPORT_SYMBOL(stop_airo_card);
2443 static int add_airo_dev( struct net_device *dev );
2445 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2447 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2451 static void mpi_unmap_card(struct pci_dev *pci)
2453 unsigned long mem_start = pci_resource_start(pci, 1);
2454 unsigned long mem_len = pci_resource_len(pci, 1);
2455 unsigned long aux_start = pci_resource_start(pci, 2);
2456 unsigned long aux_len = AUXMEMSIZE;
2458 release_mem_region(aux_start, aux_len);
2459 release_mem_region(mem_start, mem_len);
2462 /*************************************************************
2463 * This routine assumes that descriptors have been setup .
2464 * Run at insmod time or after reset when the decriptors
2465 * have been initialized . Returns 0 if all is well nz
2466 * otherwise . Does not allocate memory but sets up card
2467 * using previously allocated descriptors.
2469 static int mpi_init_descriptors (struct airo_info *ai)
2476 /* Alloc card RX descriptors */
2477 netif_stop_queue(ai->dev);
2479 memset(&rsp,0,sizeof(rsp));
2480 memset(&cmd,0,sizeof(cmd));
2482 cmd.cmd = CMD_ALLOCATEAUX;
2484 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2485 cmd.parm2 = MPI_MAX_FIDS;
2486 rc=issuecommand(ai, &cmd, &rsp);
2487 if (rc != SUCCESS) {
2488 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2492 for (i=0; i<MPI_MAX_FIDS; i++) {
2493 memcpy_toio(ai->rxfids[i].card_ram_off,
2494 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2497 /* Alloc card TX descriptors */
2499 memset(&rsp,0,sizeof(rsp));
2500 memset(&cmd,0,sizeof(cmd));
2502 cmd.cmd = CMD_ALLOCATEAUX;
2504 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2505 cmd.parm2 = MPI_MAX_FIDS;
2507 for (i=0; i<MPI_MAX_FIDS; i++) {
2508 ai->txfids[i].tx_desc.valid = 1;
2509 memcpy_toio(ai->txfids[i].card_ram_off,
2510 &ai->txfids[i].tx_desc, sizeof(TxFid));
2512 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2514 rc=issuecommand(ai, &cmd, &rsp);
2515 if (rc != SUCCESS) {
2516 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2520 /* Alloc card Rid descriptor */
2521 memset(&rsp,0,sizeof(rsp));
2522 memset(&cmd,0,sizeof(cmd));
2524 cmd.cmd = CMD_ALLOCATEAUX;
2526 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2527 cmd.parm2 = 1; /* Magic number... */
2528 rc=issuecommand(ai, &cmd, &rsp);
2529 if (rc != SUCCESS) {
2530 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2534 memcpy_toio(ai->config_desc.card_ram_off,
2535 &ai->config_desc.rid_desc, sizeof(Rid));
2541 * We are setting up three things here:
2542 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2543 * 2) Map PCI memory for issueing commands.
2544 * 3) Allocate memory (shared) to send and receive ethernet frames.
2546 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2549 unsigned long mem_start, mem_len, aux_start, aux_len;
2552 dma_addr_t busaddroff;
2553 unsigned char *vpackoff;
2554 unsigned char __iomem *pciaddroff;
2556 mem_start = pci_resource_start(pci, 1);
2557 mem_len = pci_resource_len(pci, 1);
2558 aux_start = pci_resource_start(pci, 2);
2559 aux_len = AUXMEMSIZE;
2561 if (!request_mem_region(mem_start, mem_len, name)) {
2562 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2563 (int)mem_start, (int)mem_len, name);
2566 if (!request_mem_region(aux_start, aux_len, name)) {
2567 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2568 (int)aux_start, (int)aux_len, name);
2572 ai->pcimem = ioremap(mem_start, mem_len);
2574 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2575 (int)mem_start, (int)mem_len, name);
2578 ai->pciaux = ioremap(aux_start, aux_len);
2580 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2581 (int)aux_start, (int)aux_len, name);
2585 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2586 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2588 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2594 * Setup descriptor RX, TX, CONFIG
2596 busaddroff = ai->shared_dma;
2597 pciaddroff = ai->pciaux + AUX_OFFSET;
2598 vpackoff = ai->shared;
2600 /* RX descriptor setup */
2601 for(i = 0; i < MPI_MAX_FIDS; i++) {
2602 ai->rxfids[i].pending = 0;
2603 ai->rxfids[i].card_ram_off = pciaddroff;
2604 ai->rxfids[i].virtual_host_addr = vpackoff;
2605 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2606 ai->rxfids[i].rx_desc.valid = 1;
2607 ai->rxfids[i].rx_desc.len = PKTSIZE;
2608 ai->rxfids[i].rx_desc.rdy = 0;
2610 pciaddroff += sizeof(RxFid);
2611 busaddroff += PKTSIZE;
2612 vpackoff += PKTSIZE;
2615 /* TX descriptor setup */
2616 for(i = 0; i < MPI_MAX_FIDS; i++) {
2617 ai->txfids[i].card_ram_off = pciaddroff;
2618 ai->txfids[i].virtual_host_addr = vpackoff;
2619 ai->txfids[i].tx_desc.valid = 1;
2620 ai->txfids[i].tx_desc.host_addr = busaddroff;
2621 memcpy(ai->txfids[i].virtual_host_addr,
2622 &wifictlhdr8023, sizeof(wifictlhdr8023));
2624 pciaddroff += sizeof(TxFid);
2625 busaddroff += PKTSIZE;
2626 vpackoff += PKTSIZE;
2628 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2630 /* Rid descriptor setup */
2631 ai->config_desc.card_ram_off = pciaddroff;
2632 ai->config_desc.virtual_host_addr = vpackoff;
2633 ai->config_desc.rid_desc.host_addr = busaddroff;
2634 ai->ridbus = busaddroff;
2635 ai->config_desc.rid_desc.rid = 0;
2636 ai->config_desc.rid_desc.len = RIDSIZE;
2637 ai->config_desc.rid_desc.valid = 1;
2638 pciaddroff += sizeof(Rid);
2639 busaddroff += RIDSIZE;
2640 vpackoff += RIDSIZE;
2642 /* Tell card about descriptors */
2643 if (mpi_init_descriptors (ai) != SUCCESS)
2648 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2650 iounmap(ai->pciaux);
2652 iounmap(ai->pcimem);
2654 release_mem_region(aux_start, aux_len);
2656 release_mem_region(mem_start, mem_len);
2661 static void wifi_setup(struct net_device *dev)
2663 dev->hard_header = NULL;
2664 dev->rebuild_header = NULL;
2665 dev->hard_header_cache = NULL;
2666 dev->header_cache_update= NULL;
2668 dev->hard_header_parse = wll_header_parse;
2669 dev->hard_start_xmit = &airo_start_xmit11;
2670 dev->get_stats = &airo_get_stats;
2671 dev->set_mac_address = &airo_set_mac_address;
2672 dev->do_ioctl = &airo_ioctl;
2673 dev->wireless_handlers = &airo_handler_def;
2674 dev->change_mtu = &airo_change_mtu;
2675 dev->open = &airo_open;
2676 dev->stop = &airo_close;
2678 dev->type = ARPHRD_IEEE80211;
2679 dev->hard_header_len = ETH_HLEN;
2680 dev->mtu = AIRO_DEF_MTU;
2681 dev->addr_len = ETH_ALEN;
2682 dev->tx_queue_len = 100;
2684 memset(dev->broadcast,0xFF, ETH_ALEN);
2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2689 static struct net_device *init_wifidev(struct airo_info *ai,
2690 struct net_device *ethdev)
2693 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2696 dev->priv = ethdev->priv;
2697 dev->irq = ethdev->irq;
2698 dev->base_addr = ethdev->base_addr;
2699 dev->wireless_data = ethdev->wireless_data;
2700 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2701 err = register_netdev(dev);
2709 static int reset_card( struct net_device *dev , int lock) {
2710 struct airo_info *ai = dev->priv;
2712 if (lock && down_interruptible(&ai->sem))
2715 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2724 #define AIRO_MAX_NETWORK_COUNT 64
2725 static int airo_networks_allocate(struct airo_info *ai)
2731 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2733 if (!ai->networks) {
2734 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2741 static void airo_networks_free(struct airo_info *ai)
2745 kfree(ai->networks);
2746 ai->networks = NULL;
2749 static void airo_networks_initialize(struct airo_info *ai)
2753 INIT_LIST_HEAD(&ai->network_free_list);
2754 INIT_LIST_HEAD(&ai->network_list);
2755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2756 list_add_tail(&ai->networks[i].list,
2757 &ai->network_free_list);
2760 static int airo_test_wpa_capable(struct airo_info *ai)
2763 CapabilityRid cap_rid;
2764 const char *name = ai->dev->name;
2766 status = readCapabilityRid(ai, &cap_rid, 1);
2767 if (status != SUCCESS) return 0;
2769 /* Only firmware versions 5.30.17 or better can do WPA */
2770 if ((cap_rid.softVer > 0x530)
2771 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2772 airo_print_info(name, "WPA is supported.");
2776 /* No WPA support */
2777 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2778 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2782 static struct net_device *_init_airo_card( unsigned short irq, int port,
2783 int is_pcmcia, struct pci_dev *pci,
2784 struct device *dmdev )
2786 struct net_device *dev;
2787 struct airo_info *ai;
2790 /* Create the network device object. */
2791 dev = alloc_etherdev(sizeof(*ai));
2793 airo_print_err("", "Couldn't alloc_etherdev");
2796 if (dev_alloc_name(dev, dev->name) < 0) {
2797 airo_print_err("", "Couldn't get name!");
2806 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2807 airo_print_dbg(dev->name, "Found an MPI350 card");
2808 set_bit(FLAG_MPI, &ai->flags);
2810 spin_lock_init(&ai->aux_lock);
2811 sema_init(&ai->sem, 1);
2814 init_waitqueue_head (&ai->thr_wait);
2815 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2816 if (IS_ERR(ai->airo_thread_task))
2819 rc = add_airo_dev( dev );
2823 if (airo_networks_allocate (ai))
2824 goto err_out_unlink;
2825 airo_networks_initialize (ai);
2827 /* The Airo-specific entries in the device structure. */
2828 if (test_bit(FLAG_MPI,&ai->flags)) {
2829 skb_queue_head_init (&ai->txq);
2830 dev->hard_start_xmit = &mpi_start_xmit;
2832 dev->hard_start_xmit = &airo_start_xmit;
2833 dev->get_stats = &airo_get_stats;
2834 dev->set_multicast_list = &airo_set_multicast_list;
2835 dev->set_mac_address = &airo_set_mac_address;
2836 dev->do_ioctl = &airo_ioctl;
2837 dev->wireless_handlers = &airo_handler_def;
2838 ai->wireless_data.spy_data = &ai->spy_data;
2839 dev->wireless_data = &ai->wireless_data;
2840 dev->change_mtu = &airo_change_mtu;
2841 dev->open = &airo_open;
2842 dev->stop = &airo_close;
2844 dev->base_addr = port;
2846 SET_NETDEV_DEV(dev, dmdev);
2848 reset_card (dev, 1);
2851 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2853 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2855 goto err_out_unlink;
2858 if (!request_region( dev->base_addr, 64, dev->name )) {
2860 airo_print_err(dev->name, "Couldn't request region");
2865 if (test_bit(FLAG_MPI,&ai->flags)) {
2866 if (mpi_map_card(ai, pci, dev->name)) {
2867 airo_print_err(dev->name, "Could not map memory");
2873 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2874 airo_print_err(dev->name, "MAC could not be enabled" );
2878 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2879 ai->bap_read = fast_bap_read;
2880 set_bit(FLAG_FLASHING, &ai->flags);
2883 /* Test for WPA support */
2884 if (airo_test_wpa_capable(ai)) {
2885 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2886 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2887 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2888 ai->bssListRidLen = sizeof(BSSListRid);
2890 ai->bssListFirst = RID_BSSLISTFIRST;
2891 ai->bssListNext = RID_BSSLISTNEXT;
2892 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2895 rc = register_netdev(dev);
2897 airo_print_err(dev->name, "Couldn't register_netdev");
2900 ai->wifidev = init_wifidev(ai, dev);
2904 set_bit(FLAG_REGISTERED,&ai->flags);
2905 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2906 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2907 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2909 /* Allocate the transmit buffers */
2910 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2911 for( i = 0; i < MAX_FIDS; i++ )
2912 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2914 if (setup_proc_entry(dev, dev->priv) < 0)
2917 netif_start_queue(dev);
2918 SET_MODULE_OWNER(dev);
2922 unregister_netdev(ai->wifidev);
2923 free_netdev(ai->wifidev);
2925 unregister_netdev(dev);
2927 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2928 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2929 iounmap(ai->pciaux);
2930 iounmap(ai->pcimem);
2931 mpi_unmap_card(ai->pci);
2935 release_region( dev->base_addr, 64 );
2937 free_irq(dev->irq, dev);
2941 set_bit(JOB_DIE, &ai->jobs);
2942 kthread_stop(ai->airo_thread_task);
2948 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2949 struct device *dmdev)
2951 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2954 EXPORT_SYMBOL(init_airo_card);
2956 static int waitbusy (struct airo_info *ai) {
2958 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2960 if ((++delay % 20) == 0)
2961 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2963 return delay < 10000;
2966 int reset_airo_card( struct net_device *dev )
2969 struct airo_info *ai = dev->priv;
2971 if (reset_card (dev, 1))
2974 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2975 airo_print_err(dev->name, "MAC could not be enabled");
2978 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2979 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2980 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2981 /* Allocate the transmit buffers if needed */
2982 if (!test_bit(FLAG_MPI,&ai->flags))
2983 for( i = 0; i < MAX_FIDS; i++ )
2984 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2986 enable_interrupts( ai );
2987 netif_wake_queue(dev);
2991 EXPORT_SYMBOL(reset_airo_card);
2993 static void airo_send_event(struct net_device *dev) {
2994 struct airo_info *ai = dev->priv;
2995 union iwreq_data wrqu;
2996 StatusRid status_rid;
2998 clear_bit(JOB_EVENT, &ai->jobs);
2999 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3001 wrqu.data.length = 0;
3002 wrqu.data.flags = 0;
3003 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3004 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3006 /* Send event to user space */
3007 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3010 static void airo_process_scan_results (struct airo_info *ai) {
3011 union iwreq_data wrqu;
3014 BSSListElement * loop_net;
3015 BSSListElement * tmp_net;
3017 /* Blow away current list of scan results */
3018 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3019 list_move_tail (&loop_net->list, &ai->network_free_list);
3020 /* Don't blow away ->list, just BSS data */
3021 memset (loop_net, 0, sizeof (loop_net->bss));
3024 /* Try to read the first entry of the scan result */
3025 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3026 if((rc) || (bss.index == 0xffff)) {
3027 /* No scan results */
3031 /* Read and parse all entries */
3033 while((!rc) && (bss.index != 0xffff)) {
3034 /* Grab a network off the free list */
3035 if (!list_empty(&ai->network_free_list)) {
3036 tmp_net = list_entry(ai->network_free_list.next,
3037 BSSListElement, list);
3038 list_del(ai->network_free_list.next);
3041 if (tmp_net != NULL) {
3042 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3043 list_add_tail(&tmp_net->list, &ai->network_list);
3047 /* Read next entry */
3048 rc = PC4500_readrid(ai, ai->bssListNext,
3049 &bss, ai->bssListRidLen, 0);
3053 ai->scan_timeout = 0;
3054 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3057 /* Send an empty event to user space.
3058 * We don't send the received data on
3059 * the event because it would require
3060 * us to do complex transcoding, and
3061 * we want to minimise the work done in
3062 * the irq handler. Use a request to
3063 * extract the data - Jean II */
3064 wrqu.data.length = 0;
3065 wrqu.data.flags = 0;
3066 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3069 static int airo_thread(void *data) {
3070 struct net_device *dev = data;
3071 struct airo_info *ai = dev->priv;
3075 /* make swsusp happy with our thread */
3078 if (test_bit(JOB_DIE, &ai->jobs))
3082 locked = down_interruptible(&ai->sem);
3086 init_waitqueue_entry(&wait, current);
3087 add_wait_queue(&ai->thr_wait, &wait);
3089 set_current_state(TASK_INTERRUPTIBLE);
3092 if (ai->expires || ai->scan_timeout) {
3093 if (ai->scan_timeout &&
3094 time_after_eq(jiffies,ai->scan_timeout)){
3095 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3097 } else if (ai->expires &&
3098 time_after_eq(jiffies,ai->expires)){
3099 set_bit(JOB_AUTOWEP, &ai->jobs);
3102 if (!kthread_should_stop() &&
3103 !freezing(current)) {
3104 unsigned long wake_at;
3105 if (!ai->expires || !ai->scan_timeout) {
3106 wake_at = max(ai->expires,
3109 wake_at = min(ai->expires,
3112 schedule_timeout(wake_at - jiffies);
3115 } else if (!kthread_should_stop() &&
3116 !freezing(current)) {
3122 current->state = TASK_RUNNING;
3123 remove_wait_queue(&ai->thr_wait, &wait);
3130 if (test_bit(JOB_DIE, &ai->jobs)) {
3135 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3140 if (test_bit(JOB_XMIT, &ai->jobs))
3142 else if (test_bit(JOB_XMIT11, &ai->jobs))
3143 airo_end_xmit11(dev);
3144 else if (test_bit(JOB_STATS, &ai->jobs))
3145 airo_read_stats(ai);
3146 else if (test_bit(JOB_WSTATS, &ai->jobs))
3147 airo_read_wireless_stats(ai);
3148 else if (test_bit(JOB_PROMISC, &ai->jobs))
3149 airo_set_promisc(ai);
3150 else if (test_bit(JOB_MIC, &ai->jobs))
3152 else if (test_bit(JOB_EVENT, &ai->jobs))
3153 airo_send_event(dev);
3154 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3156 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3157 airo_process_scan_results(ai);
3158 else /* Shouldn't get here, but we make sure to unlock */
3165 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3166 struct net_device *dev = (struct net_device *)dev_id;
3169 struct airo_info *apriv = dev->priv;
3170 u16 savedInterrupts = 0;
3173 if (!netif_device_present(dev))
3177 status = IN4500( apriv, EVSTAT );
3178 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3182 if ( status & EV_AWAKE ) {
3183 OUT4500( apriv, EVACK, EV_AWAKE );
3184 OUT4500( apriv, EVACK, EV_AWAKE );
3187 if (!savedInterrupts) {
3188 savedInterrupts = IN4500( apriv, EVINTEN );
3189 OUT4500( apriv, EVINTEN, 0 );
3192 if ( status & EV_MIC ) {
3193 OUT4500( apriv, EVACK, EV_MIC );
3194 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3195 set_bit(JOB_MIC, &apriv->jobs);
3196 wake_up_interruptible(&apriv->thr_wait);
3199 if ( status & EV_LINK ) {
3200 union iwreq_data wrqu;
3201 int scan_forceloss = 0;
3202 /* The link status has changed, if you want to put a
3203 monitor hook in, do it here. (Remember that
3204 interrupts are still disabled!)
3206 u16 newStatus = IN4500(apriv, LINKSTAT);
3207 OUT4500( apriv, EVACK, EV_LINK);
3208 /* Here is what newStatus means: */
3209 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3210 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3211 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3212 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3213 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3214 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3215 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3216 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3218 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3220 #define ASSOCIATED 0x0400 /* Associated */
3221 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3222 #define RC_RESERVED 0 /* Reserved return code */
3223 #define RC_NOREASON 1 /* Unspecified reason */
3224 #define RC_AUTHINV 2 /* Previous authentication invalid */
3225 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3227 #define RC_NOACT 4 /* Disassociated due to inactivity */
3228 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3229 all currently associated stations */
3230 #define RC_BADCLASS2 6 /* Class 2 frame received from
3231 non-Authenticated station */
3232 #define RC_BADCLASS3 7 /* Class 3 frame received from
3233 non-Associated station */
3234 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3236 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3237 Authenticated with the responding station */
3238 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3240 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3243 if (apriv->list_bss_task)
3244 wake_up_process(apriv->list_bss_task);
3245 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3246 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3248 if (down_trylock(&apriv->sem) != 0) {
3249 set_bit(JOB_EVENT, &apriv->jobs);
3250 wake_up_interruptible(&apriv->thr_wait);
3252 airo_send_event(dev);
3253 } else if (!scan_forceloss) {
3254 if (auto_wep && !apriv->expires) {
3255 apriv->expires = RUN_AT(3*HZ);
3256 wake_up_interruptible(&apriv->thr_wait);
3259 /* Send event to user space */
3260 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3261 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3262 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3266 /* Check to see if there is something to receive */
3267 if ( status & EV_RX ) {
3268 struct sk_buff *skb = NULL;
3269 u16 fc, len, hdrlen = 0;
3283 if (test_bit(FLAG_MPI,&apriv->flags)) {
3284 if (test_bit(FLAG_802_11, &apriv->flags))
3285 mpi_receive_802_11(apriv);
3287 mpi_receive_802_3(apriv);
3288 OUT4500(apriv, EVACK, EV_RX);
3292 fid = IN4500( apriv, RXFID );
3294 /* Get the packet length */
3295 if (test_bit(FLAG_802_11, &apriv->flags)) {
3296 bap_setup (apriv, fid, 4, BAP0);
3297 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3298 /* Bad CRC. Ignore packet */
3299 if (le16_to_cpu(hdr.status) & 2)
3301 if (apriv->wifidev == NULL)
3304 bap_setup (apriv, fid, 0x36, BAP0);
3305 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3307 len = le16_to_cpu(hdr.len);
3309 if (len > AIRO_DEF_MTU) {
3310 airo_print_err(apriv->dev->name, "Bad size %d", len);
3316 if (test_bit(FLAG_802_11, &apriv->flags)) {
3317 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3318 fc = le16_to_cpu(fc);
3321 if ((fc & 0xe0) == 0xc0)
3327 if ((fc&0x300)==0x300){
3335 hdrlen = ETH_ALEN * 2;
3337 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3339 apriv->stats.rx_dropped++;
3342 skb_reserve(skb, 2); /* This way the IP header is aligned */
3343 buffer = (u16*)skb_put (skb, len + hdrlen);
3344 if (test_bit(FLAG_802_11, &apriv->flags)) {
3346 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3348 bap_read (apriv, tmpbuf, 6, BAP0);
3350 bap_read (apriv, &gap, sizeof(gap), BAP0);
3351 gap = le16_to_cpu(gap);
3354 bap_read (apriv, tmpbuf, gap, BAP0);
3356 airo_print_err(apriv->dev->name, "gaplen too "
3357 "big. Problems will follow...");
3360 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3363 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3364 if (apriv->micstats.enabled) {
3365 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3366 if (ntohs(micbuf.typelen) > 0x05DC)
3367 bap_setup (apriv, fid, 0x44, BAP0);
3369 if (len <= sizeof(micbuf))
3372 len -= sizeof(micbuf);
3373 skb_trim (skb, len + hdrlen);
3376 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3377 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3379 dev_kfree_skb_irq (skb);
3381 OUT4500( apriv, EVACK, EV_RX);
3386 if (apriv->spy_data.spy_number > 0) {
3388 struct iw_quality wstats;
3389 /* Prepare spy data : addr + qual */
3390 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3391 sa = (char*)buffer + 6;
3392 bap_setup (apriv, fid, 8, BAP0);
3393 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3395 sa = (char*)buffer + 10;
3396 wstats.qual = hdr.rssi[0];
3398 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3400 wstats.level = (hdr.rssi[1] + 321) / 2;
3401 wstats.noise = apriv->wstats.qual.noise;
3402 wstats.updated = IW_QUAL_LEVEL_UPDATED
3403 | IW_QUAL_QUAL_UPDATED
3405 /* Update spy records */
3406 wireless_spy_update(dev, sa, &wstats);
3408 #endif /* WIRELESS_SPY */
3409 OUT4500( apriv, EVACK, EV_RX);
3411 if (test_bit(FLAG_802_11, &apriv->flags)) {
3412 skb->mac.raw = skb->data;
3413 skb->pkt_type = PACKET_OTHERHOST;
3414 skb->dev = apriv->wifidev;
3415 skb->protocol = htons(ETH_P_802_2);
3418 skb->protocol = eth_type_trans(skb,dev);
3420 skb->dev->last_rx = jiffies;
3421 skb->ip_summed = CHECKSUM_NONE;
3427 /* Check to see if a packet has been transmitted */
3428 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3433 if (test_bit(FLAG_MPI,&apriv->flags)) {
3434 unsigned long flags;
3436 if (status & EV_TXEXC)
3437 get_tx_error(apriv, -1);
3438 spin_lock_irqsave(&apriv->aux_lock, flags);
3439 if (!skb_queue_empty(&apriv->txq)) {
3440 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3441 mpi_send_packet (dev);
3443 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3444 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3445 netif_wake_queue (dev);
3447 OUT4500( apriv, EVACK,
3448 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3452 fid = IN4500(apriv, TXCOMPLFID);
3454 for( i = 0; i < MAX_FIDS; i++ ) {
3455 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3456 len = apriv->fids[i] >> 16;
3461 if (status & EV_TXEXC)
3462 get_tx_error(apriv, index);
3463 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3464 /* Set up to be used again */
3465 apriv->fids[index] &= 0xffff;
3466 if (index < MAX_FIDS / 2) {
3467 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3468 netif_wake_queue(dev);
3470 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3471 netif_wake_queue(apriv->wifidev);
3474 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3475 airo_print_err(apriv->dev->name, "Unallocated FID was "
3480 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3481 airo_print_warn(apriv->dev->name, "Got weird status %x",
3482 status & ~STATUS_INTS & ~IGNORE_INTS );
3485 if (savedInterrupts)
3486 OUT4500( apriv, EVINTEN, savedInterrupts );
3489 return IRQ_RETVAL(handled);
3493 * Routines to talk to the card
3497 * This was originally written for the 4500, hence the name
3498 * NOTE: If use with 8bit mode and SMP bad things will happen!
3499 * Why would some one do 8 bit IO in an SMP machine?!?
3501 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3502 if (test_bit(FLAG_MPI,&ai->flags))
3505 outw( val, ai->dev->base_addr + reg );
3507 outb( val & 0xff, ai->dev->base_addr + reg );
3508 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3512 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3515 if (test_bit(FLAG_MPI,&ai->flags))
3518 rc = inw( ai->dev->base_addr + reg );
3520 rc = inb( ai->dev->base_addr + reg );
3521 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3526 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3530 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3531 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3532 * Note : we could try to use !netif_running(dev) in enable_MAC()
3533 * instead of this flag, but I don't trust it *within* the
3534 * open/close functions, and testing both flags together is
3535 * "cheaper" - Jean II */
3536 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3538 if (lock && down_interruptible(&ai->sem))
3539 return -ERESTARTSYS;
3541 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3542 memset(&cmd, 0, sizeof(cmd));
3543 cmd.cmd = MAC_ENABLE;
3544 rc = issuecommand(ai, &cmd, rsp);
3546 set_bit(FLAG_ENABLED, &ai->flags);
3554 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3559 static void disable_MAC( struct airo_info *ai, int lock ) {
3563 if (lock && down_interruptible(&ai->sem))
3566 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3567 memset(&cmd, 0, sizeof(cmd));
3568 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3569 issuecommand(ai, &cmd, &rsp);
3570 clear_bit(FLAG_ENABLED, &ai->flags);
3576 static void enable_interrupts( struct airo_info *ai ) {
3577 /* Enable the interrupts */
3578 OUT4500( ai, EVINTEN, STATUS_INTS );
3581 static void disable_interrupts( struct airo_info *ai ) {
3582 OUT4500( ai, EVINTEN, 0 );
3585 static void mpi_receive_802_3(struct airo_info *ai)
3589 struct sk_buff *skb;
3594 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3595 /* Make sure we got something */
3596 if (rxd.rdy && rxd.valid == 0) {
3598 if (len < 12 || len > 2048)
3601 skb = dev_alloc_skb(len);
3603 ai->stats.rx_dropped++;
3606 buffer = skb_put(skb,len);
3607 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3608 if (ai->micstats.enabled) {
3610 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3612 if (ntohs(micbuf.typelen) <= 0x05DC) {
3613 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3616 off = sizeof(micbuf);
3617 skb_trim (skb, len - off);
3620 memcpy(buffer + ETH_ALEN * 2,
3621 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3622 len - ETH_ALEN * 2 - off);
3623 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3625 dev_kfree_skb_irq (skb);
3629 if (ai->spy_data.spy_number > 0) {
3631 struct iw_quality wstats;
3632 /* Prepare spy data : addr + qual */
3633 sa = buffer + ETH_ALEN;
3634 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3637 /* Update spy records */
3638 wireless_spy_update(ai->dev, sa, &wstats);
3640 #endif /* WIRELESS_SPY */
3643 skb->ip_summed = CHECKSUM_NONE;
3644 skb->protocol = eth_type_trans(skb, ai->dev);
3645 skb->dev->last_rx = jiffies;
3649 if (rxd.valid == 0) {
3653 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3657 void mpi_receive_802_11 (struct airo_info *ai)
3660 struct sk_buff *skb = NULL;
3661 u16 fc, len, hdrlen = 0;
3673 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3675 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3676 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3678 /* Bad CRC. Ignore packet */
3679 if (le16_to_cpu(hdr.status) & 2)
3681 if (ai->wifidev == NULL)
3683 len = le16_to_cpu(hdr.len);
3684 if (len > AIRO_DEF_MTU) {
3685 airo_print_err(ai->dev->name, "Bad size %d", len);
3691 memcpy ((char *)&fc, ptr, sizeof(fc));
3692 fc = le16_to_cpu(fc);
3695 if ((fc & 0xe0) == 0xc0)
3701 if ((fc&0x300)==0x300){
3709 skb = dev_alloc_skb( len + hdrlen + 2 );
3711 ai->stats.rx_dropped++;
3714 buffer = (u16*)skb_put (skb, len + hdrlen);
3715 memcpy ((char *)buffer, ptr, hdrlen);
3719 memcpy ((char *)&gap, ptr, sizeof(gap));
3721 gap = le16_to_cpu(gap);
3726 airo_print_err(ai->dev->name,
3727 "gaplen too big. Problems will follow...");
3729 memcpy ((char *)buffer + hdrlen, ptr, len);
3731 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3732 if (ai->spy_data.spy_number > 0) {
3734 struct iw_quality wstats;
3735 /* Prepare spy data : addr + qual */
3736 sa = (char*)buffer + 10;
3737 wstats.qual = hdr.rssi[0];
3739 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3741 wstats.level = (hdr.rssi[1] + 321) / 2;
3742 wstats.noise = ai->wstats.qual.noise;
3743 wstats.updated = IW_QUAL_QUAL_UPDATED
3744 | IW_QUAL_LEVEL_UPDATED
3746 /* Update spy records */
3747 wireless_spy_update(ai->dev, sa, &wstats);
3749 #endif /* IW_WIRELESS_SPY */
3750 skb->mac.raw = skb->data;
3751 skb->pkt_type = PACKET_OTHERHOST;
3752 skb->dev = ai->wifidev;
3753 skb->protocol = htons(ETH_P_802_2);
3754 skb->dev->last_rx = jiffies;
3755 skb->ip_summed = CHECKSUM_NONE;
3758 if (rxd.valid == 0) {
3762 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3766 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3777 memset( &mySsid, 0, sizeof( mySsid ) );
3781 /* The NOP is the first step in getting the card going */
3783 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3784 if (lock && down_interruptible(&ai->sem))
3786 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3791 disable_MAC( ai, 0);
3793 // Let's figure out if we need to use the AUX port
3794 if (!test_bit(FLAG_MPI,&ai->flags)) {
3795 cmd.cmd = CMD_ENABLEAUX;
3796 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3799 airo_print_err(ai->dev->name, "Error checking for AUX port");
3802 if (!aux_bap || rsp.status & 0xff00) {
3803 ai->bap_read = fast_bap_read;
3804 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3806 ai->bap_read = aux_bap_read;
3807 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3812 if (ai->config.len == 0) {
3813 tdsRssiRid rssi_rid;
3814 CapabilityRid cap_rid;
3820 // general configuration (read/modify/write)
3821 status = readConfigRid(ai, lock);
3822 if ( status != SUCCESS ) return ERROR;
3824 status = readCapabilityRid(ai, &cap_rid, lock);
3825 if ( status != SUCCESS ) return ERROR;
3827 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3828 if ( status == SUCCESS ) {
3829 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3830 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3835 if (cap_rid.softCap & 8)
3836 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3838 airo_print_warn(ai->dev->name, "unknown received signal "
3841 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3842 ai->config.authType = AUTH_OPEN;
3843 ai->config.modulation = MOD_CCK;
3845 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3846 (micsetup(ai) == SUCCESS)) {
3847 ai->config.opmode |= MODE_MIC;
3848 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3851 /* Save off the MAC */
3852 for( i = 0; i < ETH_ALEN; i++ ) {
3853 mac[i] = ai->config.macAddr[i];
3856 /* Check to see if there are any insmod configured
3860 memset(ai->config.rates,0,sizeof(ai->config.rates));
3861 for( i = 0; i < 8 && rates[i]; i++ ) {
3862 ai->config.rates[i] = rates[i];
3865 if ( basic_rate > 0 ) {
3867 for( i = 0; i < 8; i++ ) {
3868 if ( ai->config.rates[i] == basic_rate ||
3869 !ai->config.rates ) {
3870 ai->config.rates[i] = basic_rate | 0x80;
3875 set_bit (FLAG_COMMIT, &ai->flags);
3878 /* Setup the SSIDs if present */
3881 for( i = 0; i < 3 && ssids[i]; i++ ) {
3882 mySsid.ssids[i].len = strlen(ssids[i]);
3883 if ( mySsid.ssids[i].len > 32 )
3884 mySsid.ssids[i].len = 32;
3885 memcpy(mySsid.ssids[i].ssid, ssids[i],
3886 mySsid.ssids[i].len);
3888 mySsid.len = sizeof(mySsid);
3891 status = writeConfigRid(ai, lock);
3892 if ( status != SUCCESS ) return ERROR;
3894 /* Set up the SSID list */
3896 status = writeSsidRid(ai, &mySsid, lock);
3897 if ( status != SUCCESS ) return ERROR;
3900 status = enable_MAC(ai, &rsp, lock);
3901 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3902 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3903 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3907 /* Grab the initial wep key, we gotta save it for auto_wep */
3908 rc = readWepKeyRid(ai, &wkr, 1, lock);
3909 if (rc == SUCCESS) do {
3910 lastindex = wkr.kindex;
3911 if (wkr.kindex == 0xffff) {
3912 ai->defindex = wkr.mac[0];
3914 rc = readWepKeyRid(ai, &wkr, 0, lock);
3915 } while(lastindex != wkr.kindex);
3918 ai->expires = RUN_AT(3*HZ);
3919 wake_up_interruptible(&ai->thr_wait);
3925 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3926 // Im really paranoid about letting it run forever!
3927 int max_tries = 600000;
3929 if (IN4500(ai, EVSTAT) & EV_CMD)
3930 OUT4500(ai, EVACK, EV_CMD);
3932 OUT4500(ai, PARAM0, pCmd->parm0);
3933 OUT4500(ai, PARAM1, pCmd->parm1);
3934 OUT4500(ai, PARAM2, pCmd->parm2);
3935 OUT4500(ai, COMMAND, pCmd->cmd);
3937 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3938 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3939 // PC4500 didn't notice command, try again
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3941 if (!in_atomic() && (max_tries & 255) == 0)
3945 if ( max_tries == -1 ) {
3946 airo_print_err(ai->dev->name,
3947 "Max tries exceeded when issueing command");
3948 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3949 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3953 // command completed
3954 pRsp->status = IN4500(ai, STATUS);
3955 pRsp->rsp0 = IN4500(ai, RESP0);
3956 pRsp->rsp1 = IN4500(ai, RESP1);
3957 pRsp->rsp2 = IN4500(ai, RESP2);
3958 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3959 airo_print_err(ai->dev->name,
3960 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3961 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3964 // clear stuck command busy if necessary
3965 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3966 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3968 // acknowledge processing the status/response
3969 OUT4500(ai, EVACK, EV_CMD);
3974 /* Sets up the bap to start exchange data. whichbap should
3975 * be one of the BAP0 or BAP1 defines. Locks should be held before
3977 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3982 OUT4500(ai, SELECT0+whichbap, rid);
3983 OUT4500(ai, OFFSET0+whichbap, offset);
3985 int status = IN4500(ai, OFFSET0+whichbap);
3986 if (status & BAP_BUSY) {
3987 /* This isn't really a timeout, but its kinda
3992 } else if ( status & BAP_ERR ) {
3993 /* invalid rid or offset */
3994 airo_print_err(ai->dev->name, "BAP error %x %d",
3997 } else if (status & BAP_DONE) { // success
4000 if ( !(max_tries--) ) {
4001 airo_print_err(ai->dev->name,
4002 "airo: BAP setup error too many retries\n");
4005 // -- PC4500 missed it, try again
4006 OUT4500(ai, SELECT0+whichbap, rid);
4007 OUT4500(ai, OFFSET0+whichbap, offset);
4012 /* should only be called by aux_bap_read. This aux function and the
4013 following use concepts not documented in the developers guide. I
4014 got them from a patch given to my by Aironet */
4015 static u16 aux_setup(struct airo_info *ai, u16 page,
4016 u16 offset, u16 *len)
4020 OUT4500(ai, AUXPAGE, page);
4021 OUT4500(ai, AUXOFF, 0);
4022 next = IN4500(ai, AUXDATA);
4023 *len = IN4500(ai, AUXDATA)&0xff;
4024 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4028 /* requires call to bap_setup() first */
4029 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4030 int bytelen, int whichbap)
4038 unsigned long flags;
4040 spin_lock_irqsave(&ai->aux_lock, flags);
4041 page = IN4500(ai, SWS0+whichbap);
4042 offset = IN4500(ai, SWS2+whichbap);
4043 next = aux_setup(ai, page, offset, &len);
4044 words = (bytelen+1)>>1;
4046 for (i=0; i<words;) {
4048 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4050 insw( ai->dev->base_addr+DATA0+whichbap,
4053 insb( ai->dev->base_addr+DATA0+whichbap,
4054 pu16Dst+i, count << 1 );
4057 next = aux_setup(ai, next, 4, &len);
4060 spin_unlock_irqrestore(&ai->aux_lock, flags);
4065 /* requires call to bap_setup() first */
4066 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4067 int bytelen, int whichbap)
4069 bytelen = (bytelen + 1) & (~1); // round up to even value
4071 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4073 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4077 /* requires call to bap_setup() first */
4078 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4079 int bytelen, int whichbap)
4081 bytelen = (bytelen + 1) & (~1); // round up to even value
4083 outsw( ai->dev->base_addr+DATA0+whichbap,
4084 pu16Src, bytelen>>1 );
4086 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4090 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4092 Cmd cmd; /* for issuing commands */
4093 Resp rsp; /* response from commands */
4096 memset(&cmd, 0, sizeof(cmd));
4099 status = issuecommand(ai, &cmd, &rsp);
4100 if (status != 0) return status;
4101 if ( (rsp.status & 0x7F00) != 0) {
4102 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4107 /* Note, that we are using BAP1 which is also used by transmit, so
4108 * we must get a lock. */
4109 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4115 if (down_interruptible(&ai->sem))
4118 if (test_bit(FLAG_MPI,&ai->flags)) {
4122 memset(&cmd, 0, sizeof(cmd));
4123 memset(&rsp, 0, sizeof(rsp));
4124 ai->config_desc.rid_desc.valid = 1;
4125 ai->config_desc.rid_desc.len = RIDSIZE;
4126 ai->config_desc.rid_desc.rid = 0;
4127 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4129 cmd.cmd = CMD_ACCESS;
4132 memcpy_toio(ai->config_desc.card_ram_off,
4133 &ai->config_desc.rid_desc, sizeof(Rid));
4135 rc = issuecommand(ai, &cmd, &rsp);
4137 if (rsp.status & 0x7f00)
4140 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4143 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4147 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4151 // read the rid length field
4152 bap_read(ai, pBuf, 2, BAP1);
4153 // length for remaining part of rid
4154 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4157 airo_print_err(ai->dev->name,
4158 "Rid %x has a length of %d which is too short",
4159 (int)rid, (int)len );
4163 // read remainder of the rid
4164 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4172 /* Note, that we are using BAP1 which is also used by transmit, so
4173 * make sure this isnt called when a transmit is happening */
4174 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4175 const void *pBuf, int len, int lock)
4180 *(u16*)pBuf = cpu_to_le16((u16)len);
4183 if (down_interruptible(&ai->sem))
4186 if (test_bit(FLAG_MPI,&ai->flags)) {
4190 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4191 airo_print_err(ai->dev->name,
4192 "%s: MAC should be disabled (rid=%04x)",
4194 memset(&cmd, 0, sizeof(cmd));
4195 memset(&rsp, 0, sizeof(rsp));
4197 ai->config_desc.rid_desc.valid = 1;
4198 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4199 ai->config_desc.rid_desc.rid = 0;
4201 cmd.cmd = CMD_WRITERID;
4204 memcpy_toio(ai->config_desc.card_ram_off,
4205 &ai->config_desc.rid_desc, sizeof(Rid));
4207 if (len < 4 || len > 2047) {
4208 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4211 memcpy((char *)ai->config_desc.virtual_host_addr,
4214 rc = issuecommand(ai, &cmd, &rsp);
4215 if ((rc & 0xff00) != 0) {
4216 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4218 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4219 __FUNCTION__, cmd.cmd);
4222 if ((rsp.status & 0x7f00))
4226 // --- first access so that we can write the rid data
4227 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4231 // --- now write the rid data
4232 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4236 bap_write(ai, pBuf, len, BAP1);
4237 // ---now commit the rid data
4238 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4246 /* Allocates a FID to be used for transmitting packets. We only use
4248 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4250 unsigned int loop = 3000;
4256 cmd.cmd = CMD_ALLOCATETX;
4257 cmd.parm0 = lenPayload;
4258 if (down_interruptible(&ai->sem))
4260 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4264 if ( (rsp.status & 0xFF00) != 0) {
4268 /* wait for the allocate event/indication
4269 * It makes me kind of nervous that this can just sit here and spin,
4270 * but in practice it only loops like four times. */
4271 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4277 // get the allocated fid and acknowledge
4278 txFid = IN4500(ai, TXALLOCFID);
4279 OUT4500(ai, EVACK, EV_ALLOC);
4281 /* The CARD is pretty cool since it converts the ethernet packet
4282 * into 802.11. Also note that we don't release the FID since we
4283 * will be using the same one over and over again. */
4284 /* We only have to setup the control once since we are not
4285 * releasing the fid. */
4287 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4288 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4290 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4291 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4292 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4295 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4303 /* In general BAP1 is dedicated to transmiting packets. However,
4304 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4305 Make sure the BAP1 spinlock is held when this is called. */
4306 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4317 if (len <= ETH_ALEN * 2) {
4318 airo_print_warn(ai->dev->name, "Short packet %d", len);
4321 len -= ETH_ALEN * 2;
4323 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4324 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4325 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4327 miclen = sizeof(pMic);
4329 // packet is destination[6], source[6], payload[len-12]
4330 // write the payload length and dst/src/payload
4331 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4332 /* The hardware addresses aren't counted as part of the payload, so
4333 * we have to subtract the 12 bytes for the addresses off */
4334 payloadLen = cpu_to_le16(len + miclen);
4335 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4336 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4338 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4339 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4340 // issue the transmit command
4341 memset( &cmd, 0, sizeof( cmd ) );
4342 cmd.cmd = CMD_TRANSMIT;
4344 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4345 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4349 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4364 fc = le16_to_cpu(*(const u16*)pPacket);
4367 if ((fc & 0xe0) == 0xc0)
4373 if ((fc&0x300)==0x300){
4382 airo_print_warn(ai->dev->name, "Short packet %d", len);
4386 /* packet is 802.11 header + payload
4387 * write the payload length and dst/src/payload */
4388 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4389 /* The 802.11 header aren't counted as part of the payload, so
4390 * we have to subtract the header bytes off */
4391 payloadLen = cpu_to_le16(len-hdrlen);
4392 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4393 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4394 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4395 bap_write(ai, hdrlen == 30 ?
4396 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4398 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4399 // issue the transmit command
4400 memset( &cmd, 0, sizeof( cmd ) );
4401 cmd.cmd = CMD_TRANSMIT;
4403 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4404 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4409 * This is the proc_fs routines. It is a bit messier than I would
4410 * like! Feel free to clean it up!
4413 static ssize_t proc_read( struct file *file,
4414 char __user *buffer,
4418 static ssize_t proc_write( struct file *file,
4419 const char __user *buffer,
4422 static int proc_close( struct inode *inode, struct file *file );
4424 static int proc_stats_open( struct inode *inode, struct file *file );
4425 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4426 static int proc_status_open( struct inode *inode, struct file *file );
4427 static int proc_SSID_open( struct inode *inode, struct file *file );
4428 static int proc_APList_open( struct inode *inode, struct file *file );
4429 static int proc_BSSList_open( struct inode *inode, struct file *file );
4430 static int proc_config_open( struct inode *inode, struct file *file );
4431 static int proc_wepkey_open( struct inode *inode, struct file *file );
4433 static const struct file_operations proc_statsdelta_ops = {
4435 .open = proc_statsdelta_open,
4436 .release = proc_close
4439 static const struct file_operations proc_stats_ops = {
4441 .open = proc_stats_open,
4442 .release = proc_close
4445 static const struct file_operations proc_status_ops = {
4447 .open = proc_status_open,
4448 .release = proc_close
4451 static const struct file_operations proc_SSID_ops = {
4453 .write = proc_write,
4454 .open = proc_SSID_open,
4455 .release = proc_close
4458 static const struct file_operations proc_BSSList_ops = {
4460 .write = proc_write,
4461 .open = proc_BSSList_open,
4462 .release = proc_close
4465 static const struct file_operations proc_APList_ops = {
4467 .write = proc_write,
4468 .open = proc_APList_open,
4469 .release = proc_close
4472 static const struct file_operations proc_config_ops = {
4474 .write = proc_write,
4475 .open = proc_config_open,
4476 .release = proc_close
4479 static const struct file_operations proc_wepkey_ops = {
4481 .write = proc_write,
4482 .open = proc_wepkey_open,
4483 .release = proc_close
4486 static struct proc_dir_entry *airo_entry;
4495 void (*on_close) (struct inode *, struct file *);
4499 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4502 static int setup_proc_entry( struct net_device *dev,
4503 struct airo_info *apriv ) {
4504 struct proc_dir_entry *entry;
4505 /* First setup the device directory */
4506 strcpy(apriv->proc_name,dev->name);
4507 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4510 if (!apriv->proc_entry)
4512 apriv->proc_entry->uid = proc_uid;
4513 apriv->proc_entry->gid = proc_gid;
4514 apriv->proc_entry->owner = THIS_MODULE;
4516 /* Setup the StatsDelta */
4517 entry = create_proc_entry("StatsDelta",
4518 S_IFREG | (S_IRUGO&proc_perm),
4521 goto fail_stats_delta;
4522 entry->uid = proc_uid;
4523 entry->gid = proc_gid;
4525 entry->owner = THIS_MODULE;
4526 SETPROC_OPS(entry, proc_statsdelta_ops);
4528 /* Setup the Stats */
4529 entry = create_proc_entry("Stats",
4530 S_IFREG | (S_IRUGO&proc_perm),
4534 entry->uid = proc_uid;
4535 entry->gid = proc_gid;
4537 entry->owner = THIS_MODULE;
4538 SETPROC_OPS(entry, proc_stats_ops);
4540 /* Setup the Status */
4541 entry = create_proc_entry("Status",
4542 S_IFREG | (S_IRUGO&proc_perm),
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4549 entry->owner = THIS_MODULE;
4550 SETPROC_OPS(entry, proc_status_ops);
4552 /* Setup the Config */
4553 entry = create_proc_entry("Config",
4554 S_IFREG | proc_perm,
4558 entry->uid = proc_uid;
4559 entry->gid = proc_gid;
4561 entry->owner = THIS_MODULE;
4562 SETPROC_OPS(entry, proc_config_ops);
4564 /* Setup the SSID */
4565 entry = create_proc_entry("SSID",
4566 S_IFREG | proc_perm,
4570 entry->uid = proc_uid;
4571 entry->gid = proc_gid;
4573 entry->owner = THIS_MODULE;
4574 SETPROC_OPS(entry, proc_SSID_ops);
4576 /* Setup the APList */
4577 entry = create_proc_entry("APList",
4578 S_IFREG | proc_perm,
4582 entry->uid = proc_uid;
4583 entry->gid = proc_gid;
4585 entry->owner = THIS_MODULE;
4586 SETPROC_OPS(entry, proc_APList_ops);
4588 /* Setup the BSSList */
4589 entry = create_proc_entry("BSSList",
4590 S_IFREG | proc_perm,
4594 entry->uid = proc_uid;
4595 entry->gid = proc_gid;
4597 entry->owner = THIS_MODULE;
4598 SETPROC_OPS(entry, proc_BSSList_ops);
4600 /* Setup the WepKey */
4601 entry = create_proc_entry("WepKey",
4602 S_IFREG | proc_perm,
4606 entry->uid = proc_uid;
4607 entry->gid = proc_gid;
4609 entry->owner = THIS_MODULE;
4610 SETPROC_OPS(entry, proc_wepkey_ops);
4615 remove_proc_entry("BSSList", apriv->proc_entry);
4617 remove_proc_entry("APList", apriv->proc_entry);
4619 remove_proc_entry("SSID", apriv->proc_entry);
4621 remove_proc_entry("Config", apriv->proc_entry);
4623 remove_proc_entry("Status", apriv->proc_entry);
4625 remove_proc_entry("Stats", apriv->proc_entry);
4627 remove_proc_entry("StatsDelta", apriv->proc_entry);
4629 remove_proc_entry(apriv->proc_name, airo_entry);
4634 static int takedown_proc_entry( struct net_device *dev,
4635 struct airo_info *apriv ) {
4636 if ( !apriv->proc_entry->namelen ) return 0;
4637 remove_proc_entry("Stats",apriv->proc_entry);
4638 remove_proc_entry("StatsDelta",apriv->proc_entry);
4639 remove_proc_entry("Status",apriv->proc_entry);
4640 remove_proc_entry("Config",apriv->proc_entry);
4641 remove_proc_entry("SSID",apriv->proc_entry);
4642 remove_proc_entry("APList",apriv->proc_entry);
4643 remove_proc_entry("BSSList",apriv->proc_entry);
4644 remove_proc_entry("WepKey",apriv->proc_entry);
4645 remove_proc_entry(apriv->proc_name,airo_entry);
4650 * What we want from the proc_fs is to be able to efficiently read
4651 * and write the configuration. To do this, we want to read the
4652 * configuration when the file is opened and write it when the file is
4653 * closed. So basically we allocate a read buffer at open and fill it
4654 * with data, and allocate a write buffer and read it at close.
4658 * The read routine is generic, it relies on the preallocated rbuffer
4659 * to supply the data.
4661 static ssize_t proc_read( struct file *file,
4662 char __user *buffer,
4666 loff_t pos = *offset;
4667 struct proc_data *priv = (struct proc_data*)file->private_data;
4674 if (pos >= priv->readlen)
4676 if (len > priv->readlen - pos)
4677 len = priv->readlen - pos;
4678 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4680 *offset = pos + len;
4685 * The write routine is generic, it fills in a preallocated rbuffer
4686 * to supply the data.
4688 static ssize_t proc_write( struct file *file,
4689 const char __user *buffer,
4693 loff_t pos = *offset;
4694 struct proc_data *priv = (struct proc_data*)file->private_data;
4701 if (pos >= priv->maxwritelen)
4703 if (len > priv->maxwritelen - pos)
4704 len = priv->maxwritelen - pos;
4705 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4707 if ( pos + len > priv->writelen )
4708 priv->writelen = len + file->f_pos;
4709 *offset = pos + len;
4713 static int proc_status_open( struct inode *inode, struct file *file ) {
4714 struct proc_data *data;
4715 struct proc_dir_entry *dp = PDE(inode);
4716 struct net_device *dev = dp->data;
4717 struct airo_info *apriv = dev->priv;
4718 CapabilityRid cap_rid;
4719 StatusRid status_rid;
4722 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4724 data = (struct proc_data *)file->private_data;
4725 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4726 kfree (file->private_data);
4730 readStatusRid(apriv, &status_rid, 1);
4731 readCapabilityRid(apriv, &cap_rid, 1);
4733 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4734 status_rid.mode & 1 ? "CFG ": "",
4735 status_rid.mode & 2 ? "ACT ": "",
4736 status_rid.mode & 0x10 ? "SYN ": "",
4737 status_rid.mode & 0x20 ? "LNK ": "",
4738 status_rid.mode & 0x40 ? "LEAP ": "",
4739 status_rid.mode & 0x80 ? "PRIV ": "",
4740 status_rid.mode & 0x100 ? "KEY ": "",
4741 status_rid.mode & 0x200 ? "WEP ": "",
4742 status_rid.mode & 0x8000 ? "ERR ": "");
4743 sprintf( data->rbuffer+i, "Mode: %x\n"
4744 "Signal Strength: %d\n"
4745 "Signal Quality: %d\n"
4750 "Driver Version: %s\n"
4751 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4752 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4753 "Software Version: %x\nSoftware Subversion: %x\n"
4754 "Boot block version: %x\n",
4755 (int)status_rid.mode,
4756 (int)status_rid.normalizedSignalStrength,
4757 (int)status_rid.signalQuality,
4758 (int)status_rid.SSIDlen,
4761 (int)status_rid.channel,
4762 (int)status_rid.currentXmitRate/2,
4770 (int)cap_rid.softVer,
4771 (int)cap_rid.softSubVer,
4772 (int)cap_rid.bootBlockVer );
4773 data->readlen = strlen( data->rbuffer );
4777 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4778 static int proc_statsdelta_open( struct inode *inode,
4779 struct file *file ) {
4780 if (file->f_mode&FMODE_WRITE) {
4781 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4783 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4786 static int proc_stats_open( struct inode *inode, struct file *file ) {
4787 return proc_stats_rid_open(inode, file, RID_STATS);
4790 static int proc_stats_rid_open( struct inode *inode,
4793 struct proc_data *data;
4794 struct proc_dir_entry *dp = PDE(inode);
4795 struct net_device *dev = dp->data;
4796 struct airo_info *apriv = dev->priv;
4799 u32 *vals = stats.vals;
4801 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4803 data = (struct proc_data *)file->private_data;
4804 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4805 kfree (file->private_data);
4809 readStatsRid(apriv, &stats, rid, 1);
4812 for(i=0; statsLabels[i]!=(char *)-1 &&
4813 i*4<stats.len; i++){
4814 if (!statsLabels[i]) continue;
4815 if (j+strlen(statsLabels[i])+16>4096) {
4816 airo_print_warn(apriv->dev->name,
4817 "Potentially disasterous buffer overflow averted!");
4820 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4822 if (i*4>=stats.len){
4823 airo_print_warn(apriv->dev->name, "Got a short rid");
4829 static int get_dec_u16( char *buffer, int *start, int limit ) {
4832 for( value = 0; buffer[*start] >= '0' &&
4833 buffer[*start] <= '9' &&
4834 *start < limit; (*start)++ ) {
4837 value += buffer[*start] - '0';
4839 if ( !valid ) return -1;
4843 static int airo_config_commit(struct net_device *dev,
4844 struct iw_request_info *info, void *zwrq,
4847 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4848 struct proc_data *data = file->private_data;
4849 struct proc_dir_entry *dp = PDE(inode);
4850 struct net_device *dev = dp->data;
4851 struct airo_info *ai = dev->priv;
4854 if ( !data->writelen ) return;
4856 readConfigRid(ai, 1);
4857 set_bit (FLAG_COMMIT, &ai->flags);
4859 line = data->wbuffer;
4861 /*** Mode processing */
4862 if ( !strncmp( line, "Mode: ", 6 ) ) {
4864 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4865 set_bit (FLAG_RESET, &ai->flags);
4866 ai->config.rmode &= 0xfe00;
4867 clear_bit (FLAG_802_11, &ai->flags);
4868 ai->config.opmode &= 0xFF00;
4869 ai->config.scanMode = SCANMODE_ACTIVE;
4870 if ( line[0] == 'a' ) {
4871 ai->config.opmode |= 0;
4873 ai->config.opmode |= 1;
4874 if ( line[0] == 'r' ) {
4875 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4876 ai->config.scanMode = SCANMODE_PASSIVE;
4877 set_bit (FLAG_802_11, &ai->flags);
4878 } else if ( line[0] == 'y' ) {
4879 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4880 ai->config.scanMode = SCANMODE_PASSIVE;
4881 set_bit (FLAG_802_11, &ai->flags);
4882 } else if ( line[0] == 'l' )
4883 ai->config.rmode |= RXMODE_LANMON;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4888 /*** Radio status */
4889 else if (!strncmp(line,"Radio: ", 7)) {
4891 if (!strncmp(line,"off",3)) {
4892 set_bit (FLAG_RADIO_OFF, &ai->flags);
4894 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4897 /*** NodeName processing */
4898 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4902 memset( ai->config.nodeName, 0, 16 );
4903 /* Do the name, assume a space between the mode and node name */
4904 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4905 ai->config.nodeName[j] = line[j];
4907 set_bit (FLAG_COMMIT, &ai->flags);
4910 /*** PowerMode processing */
4911 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4913 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4914 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "PSP", 3 ) ) {
4917 ai->config.powerSaveMode = POWERSAVE_PSP;
4918 set_bit (FLAG_COMMIT, &ai->flags);
4920 ai->config.powerSaveMode = POWERSAVE_CAM;
4921 set_bit (FLAG_COMMIT, &ai->flags);
4923 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4924 int v, i = 0, k = 0; /* i is index into line,
4925 k is index to rates */
4928 while((v = get_dec_u16(line, &i, 3))!=-1) {
4929 ai->config.rates[k++] = (u8)v;
4933 set_bit (FLAG_COMMIT, &ai->flags);
4934 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4937 v = get_dec_u16(line, &i, i+3);
4939 ai->config.channelSet = (u16)v;
4940 set_bit (FLAG_COMMIT, &ai->flags);
4942 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4945 v = get_dec_u16(line, &i, i+3);
4947 ai->config.txPower = (u16)v;
4948 set_bit (FLAG_COMMIT, &ai->flags);
4950 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4954 ai->config.authType = (u16)AUTH_SHAREDKEY;
4957 ai->config.authType = (u16)AUTH_ENCRYPT;
4960 ai->config.authType = (u16)AUTH_OPEN;
4963 set_bit (FLAG_COMMIT, &ai->flags);
4964 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4968 v = get_dec_u16(line, &i, 3);
4969 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4970 ai->config.longRetryLimit = (u16)v;
4971 set_bit (FLAG_COMMIT, &ai->flags);
4972 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4976 v = get_dec_u16(line, &i, 3);
4977 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4978 ai->config.shortRetryLimit = (u16)v;
4979 set_bit (FLAG_COMMIT, &ai->flags);
4980 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4984 v = get_dec_u16(line, &i, 4);
4985 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4986 ai->config.rtsThres = (u16)v;
4987 set_bit (FLAG_COMMIT, &ai->flags);
4988 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4992 v = get_dec_u16(line, &i, 5);
4994 ai->config.txLifetime = (u16)v;
4995 set_bit (FLAG_COMMIT, &ai->flags);
4996 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5000 v = get_dec_u16(line, &i, 5);
5002 ai->config.rxLifetime = (u16)v;
5003 set_bit (FLAG_COMMIT, &ai->flags);
5004 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5005 ai->config.txDiversity =
5006 (line[13]=='l') ? 1 :
5007 ((line[13]=='r')? 2: 3);
5008 set_bit (FLAG_COMMIT, &ai->flags);
5009 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5010 ai->config.rxDiversity =
5011 (line[13]=='l') ? 1 :
5012 ((line[13]=='r')? 2: 3);
5013 set_bit (FLAG_COMMIT, &ai->flags);
5014 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5018 v = get_dec_u16(line, &i, 4);
5019 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5020 v = v & 0xfffe; /* Make sure its even */
5021 ai->config.fragThresh = (u16)v;
5022 set_bit (FLAG_COMMIT, &ai->flags);
5023 } else if (!strncmp(line, "Modulation: ", 12)) {
5026 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5027 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5028 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5029 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5031 } else if (!strncmp(line, "Preamble: ", 10)) {
5034 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5035 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5036 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5037 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5040 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5042 while( line[0] && line[0] != '\n' ) line++;
5043 if ( line[0] ) line++;
5045 airo_config_commit(dev, NULL, NULL, NULL);
5048 static char *get_rmode(u16 mode) {
5050 case RXMODE_RFMON: return "rfmon";
5051 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5052 case RXMODE_LANMON: return "lanmon";
5057 static int proc_config_open( struct inode *inode, struct file *file ) {
5058 struct proc_data *data;
5059 struct proc_dir_entry *dp = PDE(inode);
5060 struct net_device *dev = dp->data;
5061 struct airo_info *ai = dev->priv;
5064 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5066 data = (struct proc_data *)file->private_data;
5067 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5068 kfree (file->private_data);
5071 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5072 kfree (data->rbuffer);
5073 kfree (file->private_data);
5076 data->maxwritelen = 2048;
5077 data->on_close = proc_config_on_close;
5079 readConfigRid(ai, 1);
5081 i = sprintf( data->rbuffer,
5086 "DataRates: %d %d %d %d %d %d %d %d\n"
5089 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5090 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5091 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5092 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5093 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5094 ai->config.nodeName,
5095 ai->config.powerSaveMode == 0 ? "CAM" :
5096 ai->config.powerSaveMode == 1 ? "PSP" :
5097 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5098 (int)ai->config.rates[0],
5099 (int)ai->config.rates[1],
5100 (int)ai->config.rates[2],
5101 (int)ai->config.rates[3],
5102 (int)ai->config.rates[4],
5103 (int)ai->config.rates[5],
5104 (int)ai->config.rates[6],
5105 (int)ai->config.rates[7],
5106 (int)ai->config.channelSet,
5107 (int)ai->config.txPower
5109 sprintf( data->rbuffer + i,
5110 "LongRetryLimit: %d\n"
5111 "ShortRetryLimit: %d\n"
5112 "RTSThreshold: %d\n"
5113 "TXMSDULifetime: %d\n"
5114 "RXMSDULifetime: %d\n"
5117 "FragThreshold: %d\n"
5121 (int)ai->config.longRetryLimit,
5122 (int)ai->config.shortRetryLimit,
5123 (int)ai->config.rtsThres,
5124 (int)ai->config.txLifetime,
5125 (int)ai->config.rxLifetime,
5126 ai->config.txDiversity == 1 ? "left" :
5127 ai->config.txDiversity == 2 ? "right" : "both",
5128 ai->config.rxDiversity == 1 ? "left" :
5129 ai->config.rxDiversity == 2 ? "right" : "both",
5130 (int)ai->config.fragThresh,
5131 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5132 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5133 ai->config.modulation == 0 ? "default" :
5134 ai->config.modulation == MOD_CCK ? "cck" :
5135 ai->config.modulation == MOD_MOK ? "mok" : "error",
5136 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5137 ai->config.preamble == PREAMBLE_LONG ? "long" :
5138 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5140 data->readlen = strlen( data->rbuffer );
5144 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5145 struct proc_data *data = (struct proc_data *)file->private_data;
5146 struct proc_dir_entry *dp = PDE(inode);
5147 struct net_device *dev = dp->data;
5148 struct airo_info *ai = dev->priv;
5154 if ( !data->writelen ) return;
5156 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5158 for( i = 0; i < 3; i++ ) {
5160 for( j = 0; j+offset < data->writelen && j < 32 &&
5161 data->wbuffer[offset+j] != '\n'; j++ ) {
5162 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5164 if ( j == 0 ) break;
5165 SSID_rid.ssids[i].len = j;
5167 while( data->wbuffer[offset] != '\n' &&
5168 offset < data->writelen ) offset++;
5172 SSID_rid.len = sizeof(SSID_rid);
5174 writeSsidRid(ai, &SSID_rid, 1);
5175 enable_MAC(ai, &rsp, 1);
5178 static inline u8 hexVal(char c) {
5179 if (c>='0' && c<='9') return c -= '0';
5180 if (c>='a' && c<='f') return c -= 'a'-10;
5181 if (c>='A' && c<='F') return c -= 'A'-10;
5185 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5186 struct proc_data *data = (struct proc_data *)file->private_data;
5187 struct proc_dir_entry *dp = PDE(inode);
5188 struct net_device *dev = dp->data;
5189 struct airo_info *ai = dev->priv;
5190 APListRid APList_rid;
5194 if ( !data->writelen ) return;
5196 memset( &APList_rid, 0, sizeof(APList_rid) );
5197 APList_rid.len = sizeof(APList_rid);
5199 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5201 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5204 APList_rid.ap[i][j/3]=
5205 hexVal(data->wbuffer[j+i*6*3])<<4;
5208 APList_rid.ap[i][j/3]|=
5209 hexVal(data->wbuffer[j+i*6*3]);
5215 writeAPListRid(ai, &APList_rid, 1);
5216 enable_MAC(ai, &rsp, 1);
5219 /* This function wraps PC4500_writerid with a MAC disable */
5220 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5221 int len, int dummy ) {
5226 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5227 enable_MAC(ai, &rsp, 1);
5231 /* Returns the length of the key at the index. If index == 0xffff
5232 * the index of the transmit key is returned. If the key doesn't exist,
5233 * -1 will be returned.
5235 static int get_wep_key(struct airo_info *ai, u16 index) {
5240 rc = readWepKeyRid(ai, &wkr, 1, 1);
5241 if (rc == SUCCESS) do {
5242 lastindex = wkr.kindex;
5243 if (wkr.kindex == index) {
5244 if (index == 0xffff) {
5249 readWepKeyRid(ai, &wkr, 0, 1);
5250 } while(lastindex != wkr.kindex);
5254 static int set_wep_key(struct airo_info *ai, u16 index,
5255 const char *key, u16 keylen, int perm, int lock ) {
5256 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5260 memset(&wkr, 0, sizeof(wkr));
5262 // We are selecting which key to use
5263 wkr.len = sizeof(wkr);
5264 wkr.kindex = 0xffff;
5265 wkr.mac[0] = (char)index;
5266 if (perm) ai->defindex = (char)index;
5268 // We are actually setting the key
5269 wkr.len = sizeof(wkr);
5272 memcpy( wkr.key, key, keylen );
5273 memcpy( wkr.mac, macaddr, ETH_ALEN );
5276 if (perm) disable_MAC(ai, lock);
5277 writeWepKeyRid(ai, &wkr, perm, lock);
5278 if (perm) enable_MAC(ai, &rsp, lock);
5282 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5283 struct proc_data *data;
5284 struct proc_dir_entry *dp = PDE(inode);
5285 struct net_device *dev = dp->data;
5286 struct airo_info *ai = dev->priv;
5292 memset(key, 0, sizeof(key));
5294 data = (struct proc_data *)file->private_data;
5295 if ( !data->writelen ) return;
5297 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5298 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5299 index = data->wbuffer[0] - '0';
5300 if (data->wbuffer[1] == '\n') {
5301 set_wep_key(ai, index, NULL, 0, 1, 1);
5306 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5310 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5313 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5316 key[i/3] |= hexVal(data->wbuffer[i+j]);
5320 set_wep_key(ai, index, key, i/3, 1, 1);
5323 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5324 struct proc_data *data;
5325 struct proc_dir_entry *dp = PDE(inode);
5326 struct net_device *dev = dp->data;
5327 struct airo_info *ai = dev->priv;
5334 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5336 memset(&wkr, 0, sizeof(wkr));
5337 data = (struct proc_data *)file->private_data;
5338 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5339 kfree (file->private_data);
5343 data->maxwritelen = 80;
5344 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5345 kfree (data->rbuffer);
5346 kfree (file->private_data);
5349 data->on_close = proc_wepkey_on_close;
5351 ptr = data->rbuffer;
5352 strcpy(ptr, "No wep keys\n");
5353 rc = readWepKeyRid(ai, &wkr, 1, 1);
5354 if (rc == SUCCESS) do {
5355 lastindex = wkr.kindex;
5356 if (wkr.kindex == 0xffff) {
5357 j += sprintf(ptr+j, "Tx key = %d\n",
5360 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5361 (int)wkr.kindex, (int)wkr.klen);
5363 readWepKeyRid(ai, &wkr, 0, 1);
5364 } while((lastindex != wkr.kindex) && (j < 180-30));
5366 data->readlen = strlen( data->rbuffer );
5370 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5371 struct proc_data *data;
5372 struct proc_dir_entry *dp = PDE(inode);
5373 struct net_device *dev = dp->data;
5374 struct airo_info *ai = dev->priv;
5379 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5381 data = (struct proc_data *)file->private_data;
5382 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5383 kfree (file->private_data);
5387 data->maxwritelen = 33*3;
5388 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5389 kfree (data->rbuffer);
5390 kfree (file->private_data);
5393 data->on_close = proc_SSID_on_close;
5395 readSsidRid(ai, &SSID_rid);
5396 ptr = data->rbuffer;
5397 for( i = 0; i < 3; i++ ) {
5399 if ( !SSID_rid.ssids[i].len ) break;
5400 for( j = 0; j < 32 &&
5401 j < SSID_rid.ssids[i].len &&
5402 SSID_rid.ssids[i].ssid[j]; j++ ) {
5403 *ptr++ = SSID_rid.ssids[i].ssid[j];
5408 data->readlen = strlen( data->rbuffer );
5412 static int proc_APList_open( struct inode *inode, struct file *file ) {
5413 struct proc_data *data;
5414 struct proc_dir_entry *dp = PDE(inode);
5415 struct net_device *dev = dp->data;
5416 struct airo_info *ai = dev->priv;
5419 APListRid APList_rid;
5421 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5423 data = (struct proc_data *)file->private_data;
5424 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5425 kfree (file->private_data);
5429 data->maxwritelen = 4*6*3;
5430 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5431 kfree (data->rbuffer);
5432 kfree (file->private_data);
5435 data->on_close = proc_APList_on_close;
5437 readAPListRid(ai, &APList_rid);
5438 ptr = data->rbuffer;
5439 for( i = 0; i < 4; i++ ) {
5440 // We end when we find a zero MAC
5441 if ( !*(int*)APList_rid.ap[i] &&
5442 !*(int*)&APList_rid.ap[i][2]) break;
5443 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5444 (int)APList_rid.ap[i][0],
5445 (int)APList_rid.ap[i][1],
5446 (int)APList_rid.ap[i][2],
5447 (int)APList_rid.ap[i][3],
5448 (int)APList_rid.ap[i][4],
5449 (int)APList_rid.ap[i][5]);
5451 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5454 data->readlen = strlen( data->rbuffer );
5458 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5459 struct proc_data *data;
5460 struct proc_dir_entry *dp = PDE(inode);
5461 struct net_device *dev = dp->data;
5462 struct airo_info *ai = dev->priv;
5464 BSSListRid BSSList_rid;
5466 /* If doLoseSync is not 1, we won't do a Lose Sync */
5467 int doLoseSync = -1;
5469 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5471 data = (struct proc_data *)file->private_data;
5472 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5473 kfree (file->private_data);
5477 data->maxwritelen = 0;
5478 data->wbuffer = NULL;
5479 data->on_close = NULL;
5481 if (file->f_mode & FMODE_WRITE) {
5482 if (!(file->f_mode & FMODE_READ)) {
5486 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5487 memset(&cmd, 0, sizeof(cmd));
5488 cmd.cmd=CMD_LISTBSS;
5489 if (down_interruptible(&ai->sem))
5490 return -ERESTARTSYS;
5491 issuecommand(ai, &cmd, &rsp);
5498 ptr = data->rbuffer;
5499 /* There is a race condition here if there are concurrent opens.
5500 Since it is a rare condition, we'll just live with it, otherwise
5501 we have to add a spin lock... */
5502 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5503 while(rc == 0 && BSSList_rid.index != 0xffff) {
5504 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5505 (int)BSSList_rid.bssid[0],
5506 (int)BSSList_rid.bssid[1],
5507 (int)BSSList_rid.bssid[2],
5508 (int)BSSList_rid.bssid[3],
5509 (int)BSSList_rid.bssid[4],
5510 (int)BSSList_rid.bssid[5],
5511 (int)BSSList_rid.ssidLen,
5513 (int)BSSList_rid.dBm);
5514 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5515 (int)BSSList_rid.dsChannel,
5516 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5517 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5518 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5519 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5520 rc = readBSSListRid(ai, 0, &BSSList_rid);
5523 data->readlen = strlen( data->rbuffer );
5527 static int proc_close( struct inode *inode, struct file *file )
5529 struct proc_data *data = file->private_data;
5531 if (data->on_close != NULL)
5532 data->on_close(inode, file);
5533 kfree(data->rbuffer);
5534 kfree(data->wbuffer);
5539 static struct net_device_list {
5540 struct net_device *dev;
5541 struct net_device_list *next;
5544 /* Since the card doesn't automatically switch to the right WEP mode,
5545 we will make it do it. If the card isn't associated, every secs we
5546 will switch WEP modes to see if that will help. If the card is
5547 associated we will check every minute to see if anything has
5549 static void timer_func( struct net_device *dev ) {
5550 struct airo_info *apriv = dev->priv;
5553 /* We don't have a link so try changing the authtype */
5554 readConfigRid(apriv, 0);
5555 disable_MAC(apriv, 0);
5556 switch(apriv->config.authType) {
5558 /* So drop to OPEN */
5559 apriv->config.authType = AUTH_OPEN;
5561 case AUTH_SHAREDKEY:
5562 if (apriv->keyindex < auto_wep) {
5563 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5564 apriv->config.authType = AUTH_SHAREDKEY;
5567 /* Drop to ENCRYPT */
5568 apriv->keyindex = 0;
5569 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5570 apriv->config.authType = AUTH_ENCRYPT;
5573 default: /* We'll escalate to SHAREDKEY */
5574 apriv->config.authType = AUTH_SHAREDKEY;
5576 set_bit (FLAG_COMMIT, &apriv->flags);
5577 writeConfigRid(apriv, 0);
5578 enable_MAC(apriv, &rsp, 0);
5581 /* Schedule check to see if the change worked */
5582 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5583 apriv->expires = RUN_AT(HZ*3);
5586 static int add_airo_dev( struct net_device *dev ) {
5587 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5592 node->next = airo_devices;
5593 airo_devices = node;
5598 static void del_airo_dev( struct net_device *dev ) {
5599 struct net_device_list **p = &airo_devices;
5600 while( *p && ( (*p)->dev != dev ) )
5602 if ( *p && (*p)->dev == dev )
5607 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5608 const struct pci_device_id *pent)
5610 struct net_device *dev;
5612 if (pci_enable_device(pdev))
5614 pci_set_master(pdev);
5616 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5617 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5619 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5623 pci_set_drvdata(pdev, dev);
5627 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5631 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5633 struct net_device *dev = pci_get_drvdata(pdev);
5634 struct airo_info *ai = dev->priv;
5638 if ((ai->APList == NULL) &&
5639 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5641 if ((ai->SSID == NULL) &&
5642 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5644 readAPListRid(ai, ai->APList);
5645 readSsidRid(ai, ai->SSID);
5646 memset(&cmd, 0, sizeof(cmd));
5647 /* the lock will be released at the end of the resume callback */
5648 if (down_interruptible(&ai->sem))
5651 netif_device_detach(dev);
5654 issuecommand(ai, &cmd, &rsp);
5656 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5657 pci_save_state(pdev);
5658 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5661 static int airo_pci_resume(struct pci_dev *pdev)
5663 struct net_device *dev = pci_get_drvdata(pdev);
5664 struct airo_info *ai = dev->priv;
5666 pci_power_t prev_state = pdev->current_state;
5668 pci_set_power_state(pdev, PCI_D0);
5669 pci_restore_state(pdev);
5670 pci_enable_wake(pdev, PCI_D0, 0);
5672 if (prev_state != PCI_D1) {
5674 mpi_init_descriptors(ai);
5675 setup_card(ai, dev->dev_addr, 0);
5676 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5677 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5679 OUT4500(ai, EVACK, EV_AWAKEN);
5680 OUT4500(ai, EVACK, EV_AWAKEN);
5684 set_bit (FLAG_COMMIT, &ai->flags);
5688 writeSsidRid(ai, ai->SSID, 0);
5693 writeAPListRid(ai, ai->APList, 0);
5697 writeConfigRid(ai, 0);
5698 enable_MAC(ai, &rsp, 0);
5699 ai->power = PMSG_ON;
5700 netif_device_attach(dev);
5701 netif_wake_queue(dev);
5702 enable_interrupts(ai);
5708 static int __init airo_init_module( void )
5712 int have_isa_dev = 0;
5715 airo_entry = create_proc_entry("aironet",
5716 S_IFDIR | airo_perm,
5720 airo_entry->uid = proc_uid;
5721 airo_entry->gid = proc_gid;
5724 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5725 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5726 "io=0x%x", irq[i], io[i] );
5727 if (init_airo_card( irq[i], io[i], 0, NULL ))
5736 airo_print_info("", "Probing for PCI adapters");
5737 i = pci_register_driver(&airo_driver);
5738 airo_print_info("", "Finished probing for PCI adapters");
5741 remove_proc_entry("aironet", proc_root_driver);
5746 /* Always exit with success, as we are a library module
5747 * as well as a driver module
5752 static void __exit airo_cleanup_module( void )
5754 while( airo_devices ) {
5755 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5756 stop_airo_card( airo_devices->dev, 1 );
5759 pci_unregister_driver(&airo_driver);
5761 remove_proc_entry("aironet", proc_root_driver);
5765 * Initial Wireless Extension code for Aironet driver by :
5766 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5767 * Conversion to new driver API by :
5768 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5769 * Javier also did a good amount of work here, adding some new extensions
5770 * and fixing my code. Let's just say that without him this code just
5771 * would not work at all... - Jean II
5774 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5779 return (0x100 - rssi_rid[rssi].rssidBm);
5782 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5789 for( i = 0; i < 256; i++ )
5790 if (rssi_rid[i].rssidBm == dbm)
5791 return rssi_rid[i].rssipct;
5797 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5801 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5802 if (memcmp(cap_rid->prodName, "350", 3))
5803 if (status_rid->signalQuality > 0x20)
5806 quality = 0x20 - status_rid->signalQuality;
5808 if (status_rid->signalQuality > 0xb0)
5810 else if (status_rid->signalQuality < 0x10)
5813 quality = 0xb0 - status_rid->signalQuality;
5818 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5819 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5821 /*------------------------------------------------------------------*/
5823 * Wireless Handler : get protocol name
5825 static int airo_get_name(struct net_device *dev,
5826 struct iw_request_info *info,
5830 strcpy(cwrq, "IEEE 802.11-DS");
5834 /*------------------------------------------------------------------*/
5836 * Wireless Handler : set frequency
5838 static int airo_set_freq(struct net_device *dev,
5839 struct iw_request_info *info,
5840 struct iw_freq *fwrq,
5843 struct airo_info *local = dev->priv;
5844 int rc = -EINPROGRESS; /* Call commit handler */
5846 /* If setting by frequency, convert to a channel */
5847 if((fwrq->e == 1) &&
5848 (fwrq->m >= (int) 2.412e8) &&
5849 (fwrq->m <= (int) 2.487e8)) {
5850 int f = fwrq->m / 100000;
5852 while((c < 14) && (f != frequency_list[c]))
5854 /* Hack to fall through... */
5858 /* Setting by channel number */
5859 if((fwrq->m > 1000) || (fwrq->e > 0))
5862 int channel = fwrq->m;
5863 /* We should do a better check than that,
5864 * based on the card capability !!! */
5865 if((channel < 1) || (channel > 14)) {
5866 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5870 readConfigRid(local, 1);
5871 /* Yes ! We can set it !!! */
5872 local->config.channelSet = (u16) channel;
5873 set_bit (FLAG_COMMIT, &local->flags);
5879 /*------------------------------------------------------------------*/
5881 * Wireless Handler : get frequency
5883 static int airo_get_freq(struct net_device *dev,
5884 struct iw_request_info *info,
5885 struct iw_freq *fwrq,
5888 struct airo_info *local = dev->priv;
5889 StatusRid status_rid; /* Card status info */
5892 readConfigRid(local, 1);
5893 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5894 status_rid.channel = local->config.channelSet;
5896 readStatusRid(local, &status_rid, 1);
5898 ch = (int)status_rid.channel;
5899 if((ch > 0) && (ch < 15)) {
5900 fwrq->m = frequency_list[ch - 1] * 100000;
5910 /*------------------------------------------------------------------*/
5912 * Wireless Handler : set ESSID
5914 static int airo_set_essid(struct net_device *dev,
5915 struct iw_request_info *info,
5916 struct iw_point *dwrq,
5919 struct airo_info *local = dev->priv;
5921 SsidRid SSID_rid; /* SSIDs */
5923 /* Reload the list of current SSID */
5924 readSsidRid(local, &SSID_rid);
5926 /* Check if we asked for `any' */
5927 if(dwrq->flags == 0) {
5928 /* Just send an empty SSID list */
5929 memset(&SSID_rid, 0, sizeof(SSID_rid));
5931 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5933 /* Check the size of the string */
5934 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5937 /* Check if index is valid */
5938 if((index < 0) || (index >= 4)) {
5943 memset(SSID_rid.ssids[index].ssid, 0,
5944 sizeof(SSID_rid.ssids[index].ssid));
5945 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5946 SSID_rid.ssids[index].len = dwrq->length;
5948 SSID_rid.len = sizeof(SSID_rid);
5949 /* Write it to the card */
5950 disable_MAC(local, 1);
5951 writeSsidRid(local, &SSID_rid, 1);
5952 enable_MAC(local, &rsp, 1);
5957 /*------------------------------------------------------------------*/
5959 * Wireless Handler : get ESSID
5961 static int airo_get_essid(struct net_device *dev,
5962 struct iw_request_info *info,
5963 struct iw_point *dwrq,
5966 struct airo_info *local = dev->priv;
5967 StatusRid status_rid; /* Card status info */
5969 readStatusRid(local, &status_rid, 1);
5971 /* Note : if dwrq->flags != 0, we should
5972 * get the relevant SSID from the SSID list... */
5974 /* Get the current SSID */
5975 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5976 /* If none, we may want to get the one that was set */
5979 dwrq->length = status_rid.SSIDlen;
5980 dwrq->flags = 1; /* active */
5985 /*------------------------------------------------------------------*/
5987 * Wireless Handler : set AP address
5989 static int airo_set_wap(struct net_device *dev,
5990 struct iw_request_info *info,
5991 struct sockaddr *awrq,
5994 struct airo_info *local = dev->priv;
5997 APListRid APList_rid;
5998 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5999 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
6001 if (awrq->sa_family != ARPHRD_ETHER)
6003 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
6004 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
6005 memset(&cmd, 0, sizeof(cmd));
6006 cmd.cmd=CMD_LOSE_SYNC;
6007 if (down_interruptible(&local->sem))
6008 return -ERESTARTSYS;
6009 issuecommand(local, &cmd, &rsp);
6012 memset(&APList_rid, 0, sizeof(APList_rid));
6013 APList_rid.len = sizeof(APList_rid);
6014 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6015 disable_MAC(local, 1);
6016 writeAPListRid(local, &APList_rid, 1);
6017 enable_MAC(local, &rsp, 1);
6022 /*------------------------------------------------------------------*/
6024 * Wireless Handler : get AP address
6026 static int airo_get_wap(struct net_device *dev,
6027 struct iw_request_info *info,
6028 struct sockaddr *awrq,
6031 struct airo_info *local = dev->priv;
6032 StatusRid status_rid; /* Card status info */
6034 readStatusRid(local, &status_rid, 1);
6036 /* Tentative. This seems to work, wow, I'm lucky !!! */
6037 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6038 awrq->sa_family = ARPHRD_ETHER;
6043 /*------------------------------------------------------------------*/
6045 * Wireless Handler : set Nickname
6047 static int airo_set_nick(struct net_device *dev,
6048 struct iw_request_info *info,
6049 struct iw_point *dwrq,
6052 struct airo_info *local = dev->priv;
6054 /* Check the size of the string */
6055 if(dwrq->length > 16) {
6058 readConfigRid(local, 1);
6059 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6060 memcpy(local->config.nodeName, extra, dwrq->length);
6061 set_bit (FLAG_COMMIT, &local->flags);
6063 return -EINPROGRESS; /* Call commit handler */
6066 /*------------------------------------------------------------------*/
6068 * Wireless Handler : get Nickname
6070 static int airo_get_nick(struct net_device *dev,
6071 struct iw_request_info *info,
6072 struct iw_point *dwrq,
6075 struct airo_info *local = dev->priv;
6077 readConfigRid(local, 1);
6078 strncpy(extra, local->config.nodeName, 16);
6080 dwrq->length = strlen(extra);
6085 /*------------------------------------------------------------------*/
6087 * Wireless Handler : set Bit-Rate
6089 static int airo_set_rate(struct net_device *dev,
6090 struct iw_request_info *info,
6091 struct iw_param *vwrq,
6094 struct airo_info *local = dev->priv;
6095 CapabilityRid cap_rid; /* Card capability info */
6099 /* First : get a valid bit rate value */
6100 readCapabilityRid(local, &cap_rid, 1);
6102 /* Which type of value ? */
6103 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6104 /* Setting by rate index */
6105 /* Find value in the magic rate table */
6106 brate = cap_rid.supportedRates[vwrq->value];
6108 /* Setting by frequency value */
6109 u8 normvalue = (u8) (vwrq->value/500000);
6111 /* Check if rate is valid */
6112 for(i = 0 ; i < 8 ; i++) {
6113 if(normvalue == cap_rid.supportedRates[i]) {
6119 /* -1 designed the max rate (mostly auto mode) */
6120 if(vwrq->value == -1) {
6121 /* Get the highest available rate */
6122 for(i = 0 ; i < 8 ; i++) {
6123 if(cap_rid.supportedRates[i] == 0)
6127 brate = cap_rid.supportedRates[i - 1];
6129 /* Check that it is valid */
6134 readConfigRid(local, 1);
6135 /* Now, check if we want a fixed or auto value */
6136 if(vwrq->fixed == 0) {
6137 /* Fill all the rates up to this max rate */
6138 memset(local->config.rates, 0, 8);
6139 for(i = 0 ; i < 8 ; i++) {
6140 local->config.rates[i] = cap_rid.supportedRates[i];
6141 if(local->config.rates[i] == brate)
6146 /* One rate, fixed */
6147 memset(local->config.rates, 0, 8);
6148 local->config.rates[0] = brate;
6150 set_bit (FLAG_COMMIT, &local->flags);
6152 return -EINPROGRESS; /* Call commit handler */
6155 /*------------------------------------------------------------------*/
6157 * Wireless Handler : get Bit-Rate
6159 static int airo_get_rate(struct net_device *dev,
6160 struct iw_request_info *info,
6161 struct iw_param *vwrq,
6164 struct airo_info *local = dev->priv;
6165 StatusRid status_rid; /* Card status info */
6167 readStatusRid(local, &status_rid, 1);
6169 vwrq->value = status_rid.currentXmitRate * 500000;
6170 /* If more than one rate, set auto */
6171 readConfigRid(local, 1);
6172 vwrq->fixed = (local->config.rates[1] == 0);
6177 /*------------------------------------------------------------------*/
6179 * Wireless Handler : set RTS threshold
6181 static int airo_set_rts(struct net_device *dev,
6182 struct iw_request_info *info,
6183 struct iw_param *vwrq,
6186 struct airo_info *local = dev->priv;
6187 int rthr = vwrq->value;
6190 rthr = AIRO_DEF_MTU;
6191 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6194 readConfigRid(local, 1);
6195 local->config.rtsThres = rthr;
6196 set_bit (FLAG_COMMIT, &local->flags);
6198 return -EINPROGRESS; /* Call commit handler */
6201 /*------------------------------------------------------------------*/
6203 * Wireless Handler : get RTS threshold
6205 static int airo_get_rts(struct net_device *dev,
6206 struct iw_request_info *info,
6207 struct iw_param *vwrq,
6210 struct airo_info *local = dev->priv;
6212 readConfigRid(local, 1);
6213 vwrq->value = local->config.rtsThres;
6214 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6220 /*------------------------------------------------------------------*/
6222 * Wireless Handler : set Fragmentation threshold
6224 static int airo_set_frag(struct net_device *dev,
6225 struct iw_request_info *info,
6226 struct iw_param *vwrq,
6229 struct airo_info *local = dev->priv;
6230 int fthr = vwrq->value;
6233 fthr = AIRO_DEF_MTU;
6234 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6237 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6238 readConfigRid(local, 1);
6239 local->config.fragThresh = (u16)fthr;
6240 set_bit (FLAG_COMMIT, &local->flags);
6242 return -EINPROGRESS; /* Call commit handler */
6245 /*------------------------------------------------------------------*/
6247 * Wireless Handler : get Fragmentation threshold
6249 static int airo_get_frag(struct net_device *dev,
6250 struct iw_request_info *info,
6251 struct iw_param *vwrq,
6254 struct airo_info *local = dev->priv;
6256 readConfigRid(local, 1);
6257 vwrq->value = local->config.fragThresh;
6258 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6264 /*------------------------------------------------------------------*/
6266 * Wireless Handler : set Mode of Operation
6268 static int airo_set_mode(struct net_device *dev,
6269 struct iw_request_info *info,
6273 struct airo_info *local = dev->priv;
6276 readConfigRid(local, 1);
6277 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6282 local->config.opmode &= 0xFF00;
6283 local->config.opmode |= MODE_STA_IBSS;
6284 local->config.rmode &= 0xfe00;
6285 local->config.scanMode = SCANMODE_ACTIVE;
6286 clear_bit (FLAG_802_11, &local->flags);
6289 local->config.opmode &= 0xFF00;
6290 local->config.opmode |= MODE_STA_ESS;
6291 local->config.rmode &= 0xfe00;
6292 local->config.scanMode = SCANMODE_ACTIVE;
6293 clear_bit (FLAG_802_11, &local->flags);
6295 case IW_MODE_MASTER:
6296 local->config.opmode &= 0xFF00;
6297 local->config.opmode |= MODE_AP;
6298 local->config.rmode &= 0xfe00;
6299 local->config.scanMode = SCANMODE_ACTIVE;
6300 clear_bit (FLAG_802_11, &local->flags);
6302 case IW_MODE_REPEAT:
6303 local->config.opmode &= 0xFF00;
6304 local->config.opmode |= MODE_AP_RPTR;
6305 local->config.rmode &= 0xfe00;
6306 local->config.scanMode = SCANMODE_ACTIVE;
6307 clear_bit (FLAG_802_11, &local->flags);
6309 case IW_MODE_MONITOR:
6310 local->config.opmode &= 0xFF00;
6311 local->config.opmode |= MODE_STA_ESS;
6312 local->config.rmode &= 0xfe00;
6313 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6314 local->config.scanMode = SCANMODE_PASSIVE;
6315 set_bit (FLAG_802_11, &local->flags);
6321 set_bit (FLAG_RESET, &local->flags);
6322 set_bit (FLAG_COMMIT, &local->flags);
6324 return -EINPROGRESS; /* Call commit handler */
6327 /*------------------------------------------------------------------*/
6329 * Wireless Handler : get Mode of Operation
6331 static int airo_get_mode(struct net_device *dev,
6332 struct iw_request_info *info,
6336 struct airo_info *local = dev->priv;
6338 readConfigRid(local, 1);
6339 /* If not managed, assume it's ad-hoc */
6340 switch (local->config.opmode & 0xFF) {
6342 *uwrq = IW_MODE_INFRA;
6345 *uwrq = IW_MODE_MASTER;
6348 *uwrq = IW_MODE_REPEAT;
6351 *uwrq = IW_MODE_ADHOC;
6357 /*------------------------------------------------------------------*/
6359 * Wireless Handler : set Encryption Key
6361 static int airo_set_encode(struct net_device *dev,
6362 struct iw_request_info *info,
6363 struct iw_point *dwrq,
6366 struct airo_info *local = dev->priv;
6367 CapabilityRid cap_rid; /* Card capability info */
6368 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6369 u16 currentAuthType = local->config.authType;
6371 /* Is WEP supported ? */
6372 readCapabilityRid(local, &cap_rid, 1);
6373 /* Older firmware doesn't support this...
6374 if(!(cap_rid.softCap & 2)) {
6377 readConfigRid(local, 1);
6379 /* Basic checking: do we have a key to set ?
6380 * Note : with the new API, it's impossible to get a NULL pointer.
6381 * Therefore, we need to check a key size == 0 instead.
6382 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6383 * when no key is present (only change flags), but older versions
6384 * don't do it. - Jean II */
6385 if (dwrq->length > 0) {
6387 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6388 int current_index = get_wep_key(local, 0xffff);
6389 /* Check the size of the key */
6390 if (dwrq->length > MAX_KEY_SIZE) {
6393 /* Check the index (none -> use current) */
6394 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6395 index = current_index;
6396 /* Set the length */
6397 if (dwrq->length > MIN_KEY_SIZE)
6398 key.len = MAX_KEY_SIZE;
6400 if (dwrq->length > 0)
6401 key.len = MIN_KEY_SIZE;
6403 /* Disable the key */
6405 /* Check if the key is not marked as invalid */
6406 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6408 memset(key.key, 0, MAX_KEY_SIZE);
6409 /* Copy the key in the driver */
6410 memcpy(key.key, extra, dwrq->length);
6411 /* Send the key to the card */
6412 set_wep_key(local, index, key.key, key.len, perm, 1);
6414 /* WE specify that if a valid key is set, encryption
6415 * should be enabled (user may turn it off later)
6416 * This is also how "iwconfig ethX key on" works */
6417 if((index == current_index) && (key.len > 0) &&
6418 (local->config.authType == AUTH_OPEN)) {
6419 local->config.authType = AUTH_ENCRYPT;
6422 /* Do we want to just set the transmit key index ? */
6423 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6424 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6425 set_wep_key(local, index, NULL, 0, perm, 1);
6427 /* Don't complain if only change the mode */
6428 if(!dwrq->flags & IW_ENCODE_MODE) {
6432 /* Read the flags */
6433 if(dwrq->flags & IW_ENCODE_DISABLED)
6434 local->config.authType = AUTH_OPEN; // disable encryption
6435 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6436 local->config.authType = AUTH_SHAREDKEY; // Only Both
6437 if(dwrq->flags & IW_ENCODE_OPEN)
6438 local->config.authType = AUTH_ENCRYPT; // Only Wep
6439 /* Commit the changes to flags if needed */
6440 if (local->config.authType != currentAuthType)
6441 set_bit (FLAG_COMMIT, &local->flags);
6442 return -EINPROGRESS; /* Call commit handler */
6445 /*------------------------------------------------------------------*/
6447 * Wireless Handler : get Encryption Key
6449 static int airo_get_encode(struct net_device *dev,
6450 struct iw_request_info *info,
6451 struct iw_point *dwrq,
6454 struct airo_info *local = dev->priv;
6455 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6456 CapabilityRid cap_rid; /* Card capability info */
6458 /* Is it supported ? */
6459 readCapabilityRid(local, &cap_rid, 1);
6460 if(!(cap_rid.softCap & 2)) {
6463 readConfigRid(local, 1);
6464 /* Check encryption mode */
6465 switch(local->config.authType) {
6467 dwrq->flags = IW_ENCODE_OPEN;
6469 case AUTH_SHAREDKEY:
6470 dwrq->flags = IW_ENCODE_RESTRICTED;
6474 dwrq->flags = IW_ENCODE_DISABLED;
6477 /* We can't return the key, so set the proper flag and return zero */
6478 dwrq->flags |= IW_ENCODE_NOKEY;
6479 memset(extra, 0, 16);
6481 /* Which key do we want ? -1 -> tx index */
6482 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6483 index = get_wep_key(local, 0xffff);
6484 dwrq->flags |= index + 1;
6485 /* Copy the key to the user buffer */
6486 dwrq->length = get_wep_key(local, index);
6487 if (dwrq->length > 16) {
6493 /*------------------------------------------------------------------*/
6495 * Wireless Handler : set extended Encryption parameters
6497 static int airo_set_encodeext(struct net_device *dev,
6498 struct iw_request_info *info,
6499 union iwreq_data *wrqu,
6502 struct airo_info *local = dev->priv;
6503 struct iw_point *encoding = &wrqu->encoding;
6504 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6505 CapabilityRid cap_rid; /* Card capability info */
6506 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6507 u16 currentAuthType = local->config.authType;
6508 int idx, key_len, alg = ext->alg, set_key = 1;
6511 /* Is WEP supported ? */
6512 readCapabilityRid(local, &cap_rid, 1);
6513 /* Older firmware doesn't support this...
6514 if(!(cap_rid.softCap & 2)) {
6517 readConfigRid(local, 1);
6519 /* Determine and validate the key index */
6520 idx = encoding->flags & IW_ENCODE_INDEX;
6522 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6526 idx = get_wep_key(local, 0xffff);
6528 if (encoding->flags & IW_ENCODE_DISABLED)
6529 alg = IW_ENCODE_ALG_NONE;
6531 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6532 /* Only set transmit key index here, actual
6533 * key is set below if needed.
6535 set_wep_key(local, idx, NULL, 0, perm, 1);
6536 set_key = ext->key_len > 0 ? 1 : 0;
6540 /* Set the requested key first */
6541 memset(key.key, 0, MAX_KEY_SIZE);
6543 case IW_ENCODE_ALG_NONE:
6546 case IW_ENCODE_ALG_WEP:
6547 if (ext->key_len > MIN_KEY_SIZE) {
6548 key.len = MAX_KEY_SIZE;
6549 } else if (ext->key_len > 0) {
6550 key.len = MIN_KEY_SIZE;
6554 key_len = min (ext->key_len, key.len);
6555 memcpy(key.key, ext->key, key_len);
6560 /* Send the key to the card */
6561 set_wep_key(local, idx, key.key, key.len, perm, 1);
6564 /* Read the flags */
6565 if(encoding->flags & IW_ENCODE_DISABLED)
6566 local->config.authType = AUTH_OPEN; // disable encryption
6567 if(encoding->flags & IW_ENCODE_RESTRICTED)
6568 local->config.authType = AUTH_SHAREDKEY; // Only Both
6569 if(encoding->flags & IW_ENCODE_OPEN)
6570 local->config.authType = AUTH_ENCRYPT; // Only Wep
6571 /* Commit the changes to flags if needed */
6572 if (local->config.authType != currentAuthType)
6573 set_bit (FLAG_COMMIT, &local->flags);
6575 return -EINPROGRESS;
6579 /*------------------------------------------------------------------*/
6581 * Wireless Handler : get extended Encryption parameters
6583 static int airo_get_encodeext(struct net_device *dev,
6584 struct iw_request_info *info,
6585 union iwreq_data *wrqu,
6588 struct airo_info *local = dev->priv;
6589 struct iw_point *encoding = &wrqu->encoding;
6590 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6591 CapabilityRid cap_rid; /* Card capability info */
6592 int idx, max_key_len;
6594 /* Is it supported ? */
6595 readCapabilityRid(local, &cap_rid, 1);
6596 if(!(cap_rid.softCap & 2)) {
6599 readConfigRid(local, 1);
6601 max_key_len = encoding->length - sizeof(*ext);
6602 if (max_key_len < 0)
6605 idx = encoding->flags & IW_ENCODE_INDEX;
6607 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6611 idx = get_wep_key(local, 0xffff);
6613 encoding->flags = idx + 1;
6614 memset(ext, 0, sizeof(*ext));
6616 /* Check encryption mode */
6617 switch(local->config.authType) {
6619 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6621 case AUTH_SHAREDKEY:
6622 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6626 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6629 /* We can't return the key, so set the proper flag and return zero */
6630 encoding->flags |= IW_ENCODE_NOKEY;
6631 memset(extra, 0, 16);
6633 /* Copy the key to the user buffer */
6634 ext->key_len = get_wep_key(local, idx);
6635 if (ext->key_len > 16) {
6643 /*------------------------------------------------------------------*/
6645 * Wireless Handler : set extended authentication parameters
6647 static int airo_set_auth(struct net_device *dev,
6648 struct iw_request_info *info,
6649 union iwreq_data *wrqu, char *extra)
6651 struct airo_info *local = dev->priv;
6652 struct iw_param *param = &wrqu->param;
6653 u16 currentAuthType = local->config.authType;
6655 switch (param->flags & IW_AUTH_INDEX) {
6656 case IW_AUTH_WPA_VERSION:
6657 case IW_AUTH_CIPHER_PAIRWISE:
6658 case IW_AUTH_CIPHER_GROUP:
6659 case IW_AUTH_KEY_MGMT:
6660 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6661 case IW_AUTH_PRIVACY_INVOKED:
6663 * airo does not use these parameters
6667 case IW_AUTH_DROP_UNENCRYPTED:
6669 /* Only change auth type if unencrypted */
6670 if (currentAuthType == AUTH_OPEN)
6671 local->config.authType = AUTH_ENCRYPT;
6673 local->config.authType = AUTH_OPEN;
6676 /* Commit the changes to flags if needed */
6677 if (local->config.authType != currentAuthType)
6678 set_bit (FLAG_COMMIT, &local->flags);
6681 case IW_AUTH_80211_AUTH_ALG: {
6682 /* FIXME: What about AUTH_OPEN? This API seems to
6683 * disallow setting our auth to AUTH_OPEN.
6685 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6686 local->config.authType = AUTH_SHAREDKEY;
6687 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6688 local->config.authType = AUTH_ENCRYPT;
6693 /* Commit the changes to flags if needed */
6694 if (local->config.authType != currentAuthType)
6695 set_bit (FLAG_COMMIT, &local->flags);
6698 case IW_AUTH_WPA_ENABLED:
6699 /* Silently accept disable of WPA */
6700 if (param->value > 0)
6707 return -EINPROGRESS;
6711 /*------------------------------------------------------------------*/
6713 * Wireless Handler : get extended authentication parameters
6715 static int airo_get_auth(struct net_device *dev,
6716 struct iw_request_info *info,
6717 union iwreq_data *wrqu, char *extra)
6719 struct airo_info *local = dev->priv;
6720 struct iw_param *param = &wrqu->param;
6721 u16 currentAuthType = local->config.authType;
6723 switch (param->flags & IW_AUTH_INDEX) {
6724 case IW_AUTH_DROP_UNENCRYPTED:
6725 switch (currentAuthType) {
6726 case AUTH_SHAREDKEY:
6736 case IW_AUTH_80211_AUTH_ALG:
6737 switch (currentAuthType) {
6738 case AUTH_SHAREDKEY:
6739 param->value = IW_AUTH_ALG_SHARED_KEY;
6743 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6748 case IW_AUTH_WPA_ENABLED:
6759 /*------------------------------------------------------------------*/
6761 * Wireless Handler : set Tx-Power
6763 static int airo_set_txpow(struct net_device *dev,
6764 struct iw_request_info *info,
6765 struct iw_param *vwrq,
6768 struct airo_info *local = dev->priv;
6769 CapabilityRid cap_rid; /* Card capability info */
6773 readCapabilityRid(local, &cap_rid, 1);
6775 if (vwrq->disabled) {
6776 set_bit (FLAG_RADIO_OFF, &local->flags);
6777 set_bit (FLAG_COMMIT, &local->flags);
6778 return -EINPROGRESS; /* Call commit handler */
6780 if (vwrq->flags != IW_TXPOW_MWATT) {
6783 clear_bit (FLAG_RADIO_OFF, &local->flags);
6784 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6785 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6786 readConfigRid(local, 1);
6787 local->config.txPower = vwrq->value;
6788 set_bit (FLAG_COMMIT, &local->flags);
6789 rc = -EINPROGRESS; /* Call commit handler */
6795 /*------------------------------------------------------------------*/
6797 * Wireless Handler : get Tx-Power
6799 static int airo_get_txpow(struct net_device *dev,
6800 struct iw_request_info *info,
6801 struct iw_param *vwrq,
6804 struct airo_info *local = dev->priv;
6806 readConfigRid(local, 1);
6807 vwrq->value = local->config.txPower;
6808 vwrq->fixed = 1; /* No power control */
6809 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6810 vwrq->flags = IW_TXPOW_MWATT;
6815 /*------------------------------------------------------------------*/
6817 * Wireless Handler : set Retry limits
6819 static int airo_set_retry(struct net_device *dev,
6820 struct iw_request_info *info,
6821 struct iw_param *vwrq,
6824 struct airo_info *local = dev->priv;
6827 if(vwrq->disabled) {
6830 readConfigRid(local, 1);
6831 if(vwrq->flags & IW_RETRY_LIMIT) {
6832 if(vwrq->flags & IW_RETRY_LONG)
6833 local->config.longRetryLimit = vwrq->value;
6834 else if (vwrq->flags & IW_RETRY_SHORT)
6835 local->config.shortRetryLimit = vwrq->value;
6837 /* No modifier : set both */
6838 local->config.longRetryLimit = vwrq->value;
6839 local->config.shortRetryLimit = vwrq->value;
6841 set_bit (FLAG_COMMIT, &local->flags);
6842 rc = -EINPROGRESS; /* Call commit handler */
6844 if(vwrq->flags & IW_RETRY_LIFETIME) {
6845 local->config.txLifetime = vwrq->value / 1024;
6846 set_bit (FLAG_COMMIT, &local->flags);
6847 rc = -EINPROGRESS; /* Call commit handler */
6852 /*------------------------------------------------------------------*/
6854 * Wireless Handler : get Retry limits
6856 static int airo_get_retry(struct net_device *dev,
6857 struct iw_request_info *info,
6858 struct iw_param *vwrq,
6861 struct airo_info *local = dev->priv;
6863 vwrq->disabled = 0; /* Can't be disabled */
6865 readConfigRid(local, 1);
6866 /* Note : by default, display the min retry number */
6867 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6868 vwrq->flags = IW_RETRY_LIFETIME;
6869 vwrq->value = (int)local->config.txLifetime * 1024;
6870 } else if((vwrq->flags & IW_RETRY_LONG)) {
6871 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6872 vwrq->value = (int)local->config.longRetryLimit;
6874 vwrq->flags = IW_RETRY_LIMIT;
6875 vwrq->value = (int)local->config.shortRetryLimit;
6876 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6877 vwrq->flags |= IW_RETRY_SHORT;
6883 /*------------------------------------------------------------------*/
6885 * Wireless Handler : get range info
6887 static int airo_get_range(struct net_device *dev,
6888 struct iw_request_info *info,
6889 struct iw_point *dwrq,
6892 struct airo_info *local = dev->priv;
6893 struct iw_range *range = (struct iw_range *) extra;
6894 CapabilityRid cap_rid; /* Card capability info */
6898 readCapabilityRid(local, &cap_rid, 1);
6900 dwrq->length = sizeof(struct iw_range);
6901 memset(range, 0, sizeof(*range));
6902 range->min_nwid = 0x0000;
6903 range->max_nwid = 0x0000;
6904 range->num_channels = 14;
6905 /* Should be based on cap_rid.country to give only
6906 * what the current card support */
6908 for(i = 0; i < 14; i++) {
6909 range->freq[k].i = i + 1; /* List index */
6910 range->freq[k].m = frequency_list[i] * 100000;
6911 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6913 range->num_frequency = k;
6915 range->sensitivity = 65535;
6917 /* Hum... Should put the right values there */
6919 range->max_qual.qual = 100; /* % */
6921 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6922 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6923 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6925 /* Experimental measurements - boundary 11/5.5 Mb/s */
6926 /* Note : with or without the (local->rssi), results
6927 * are somewhat different. - Jean II */
6929 range->avg_qual.qual = 50; /* % */
6930 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6932 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6933 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6935 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6937 for(i = 0 ; i < 8 ; i++) {
6938 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6939 if(range->bitrate[i] == 0)
6942 range->num_bitrates = i;
6944 /* Set an indication of the max TCP throughput
6945 * in bit/s that we can expect using this interface.
6946 * May be use for QoS stuff... Jean II */
6948 range->throughput = 5000 * 1000;
6950 range->throughput = 1500 * 1000;
6953 range->max_rts = AIRO_DEF_MTU;
6954 range->min_frag = 256;
6955 range->max_frag = AIRO_DEF_MTU;
6957 if(cap_rid.softCap & 2) {
6959 range->encoding_size[0] = 5;
6961 if (cap_rid.softCap & 0x100) {
6962 range->encoding_size[1] = 13;
6963 range->num_encoding_sizes = 2;
6965 range->num_encoding_sizes = 1;
6966 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6968 range->num_encoding_sizes = 0;
6969 range->max_encoding_tokens = 0;
6972 range->max_pmp = 5000000; /* 5 secs */
6974 range->max_pmt = 65535 * 1024; /* ??? */
6975 range->pmp_flags = IW_POWER_PERIOD;
6976 range->pmt_flags = IW_POWER_TIMEOUT;
6977 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6979 /* Transmit Power - values are in mW */
6980 for(i = 0 ; i < 8 ; i++) {
6981 range->txpower[i] = cap_rid.txPowerLevels[i];
6982 if(range->txpower[i] == 0)
6985 range->num_txpower = i;
6986 range->txpower_capa = IW_TXPOW_MWATT;
6987 range->we_version_source = 19;
6988 range->we_version_compiled = WIRELESS_EXT;
6989 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6990 range->retry_flags = IW_RETRY_LIMIT;
6991 range->r_time_flags = IW_RETRY_LIFETIME;
6992 range->min_retry = 1;
6993 range->max_retry = 65535;
6994 range->min_r_time = 1024;
6995 range->max_r_time = 65535 * 1024;
6997 /* Event capability (kernel + driver) */
6998 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6999 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
7000 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
7001 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
7002 range->event_capa[1] = IW_EVENT_CAPA_K_1;
7003 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
7007 /*------------------------------------------------------------------*/
7009 * Wireless Handler : set Power Management
7011 static int airo_set_power(struct net_device *dev,
7012 struct iw_request_info *info,
7013 struct iw_param *vwrq,
7016 struct airo_info *local = dev->priv;
7018 readConfigRid(local, 1);
7019 if (vwrq->disabled) {
7020 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7023 local->config.powerSaveMode = POWERSAVE_CAM;
7024 local->config.rmode &= 0xFF00;
7025 local->config.rmode |= RXMODE_BC_MC_ADDR;
7026 set_bit (FLAG_COMMIT, &local->flags);
7027 return -EINPROGRESS; /* Call commit handler */
7029 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7030 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7031 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7032 set_bit (FLAG_COMMIT, &local->flags);
7033 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7034 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7035 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7036 set_bit (FLAG_COMMIT, &local->flags);
7038 switch (vwrq->flags & IW_POWER_MODE) {
7039 case IW_POWER_UNICAST_R:
7040 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7043 local->config.rmode &= 0xFF00;
7044 local->config.rmode |= RXMODE_ADDR;
7045 set_bit (FLAG_COMMIT, &local->flags);
7047 case IW_POWER_ALL_R:
7048 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7051 local->config.rmode &= 0xFF00;
7052 local->config.rmode |= RXMODE_BC_MC_ADDR;
7053 set_bit (FLAG_COMMIT, &local->flags);
7055 /* This is broken, fixme ;-) */
7060 // Note : we may want to factor local->need_commit here
7061 // Note2 : may also want to factor RXMODE_RFMON test
7062 return -EINPROGRESS; /* Call commit handler */
7065 /*------------------------------------------------------------------*/
7067 * Wireless Handler : get Power Management
7069 static int airo_get_power(struct net_device *dev,
7070 struct iw_request_info *info,
7071 struct iw_param *vwrq,
7074 struct airo_info *local = dev->priv;
7077 readConfigRid(local, 1);
7078 mode = local->config.powerSaveMode;
7079 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7081 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7082 vwrq->value = (int)local->config.fastListenDelay * 1024;
7083 vwrq->flags = IW_POWER_TIMEOUT;
7085 vwrq->value = (int)local->config.fastListenInterval * 1024;
7086 vwrq->flags = IW_POWER_PERIOD;
7088 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7089 vwrq->flags |= IW_POWER_UNICAST_R;
7091 vwrq->flags |= IW_POWER_ALL_R;
7096 /*------------------------------------------------------------------*/
7098 * Wireless Handler : set Sensitivity
7100 static int airo_set_sens(struct net_device *dev,
7101 struct iw_request_info *info,
7102 struct iw_param *vwrq,
7105 struct airo_info *local = dev->priv;
7107 readConfigRid(local, 1);
7108 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7109 set_bit (FLAG_COMMIT, &local->flags);
7111 return -EINPROGRESS; /* Call commit handler */
7114 /*------------------------------------------------------------------*/
7116 * Wireless Handler : get Sensitivity
7118 static int airo_get_sens(struct net_device *dev,
7119 struct iw_request_info *info,
7120 struct iw_param *vwrq,
7123 struct airo_info *local = dev->priv;
7125 readConfigRid(local, 1);
7126 vwrq->value = local->config.rssiThreshold;
7127 vwrq->disabled = (vwrq->value == 0);
7133 /*------------------------------------------------------------------*/
7135 * Wireless Handler : get AP List
7136 * Note : this is deprecated in favor of IWSCAN
7138 static int airo_get_aplist(struct net_device *dev,
7139 struct iw_request_info *info,
7140 struct iw_point *dwrq,
7143 struct airo_info *local = dev->priv;
7144 struct sockaddr *address = (struct sockaddr *) extra;
7145 struct iw_quality qual[IW_MAX_AP];
7148 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7150 for (i = 0; i < IW_MAX_AP; i++) {
7151 if (readBSSListRid(local, loseSync, &BSSList))
7154 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7155 address[i].sa_family = ARPHRD_ETHER;
7157 qual[i].level = 0x100 - BSSList.dBm;
7158 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7159 qual[i].updated = IW_QUAL_QUAL_UPDATED
7160 | IW_QUAL_LEVEL_UPDATED
7163 qual[i].level = (BSSList.dBm + 321) / 2;
7165 qual[i].updated = IW_QUAL_QUAL_INVALID
7166 | IW_QUAL_LEVEL_UPDATED
7169 qual[i].noise = local->wstats.qual.noise;
7170 if (BSSList.index == 0xffff)
7174 StatusRid status_rid; /* Card status info */
7175 readStatusRid(local, &status_rid, 1);
7177 i < min(IW_MAX_AP, 4) &&
7178 (status_rid.bssid[i][0]
7179 & status_rid.bssid[i][1]
7180 & status_rid.bssid[i][2]
7181 & status_rid.bssid[i][3]
7182 & status_rid.bssid[i][4]
7183 & status_rid.bssid[i][5])!=0xff &&
7184 (status_rid.bssid[i][0]
7185 | status_rid.bssid[i][1]
7186 | status_rid.bssid[i][2]
7187 | status_rid.bssid[i][3]
7188 | status_rid.bssid[i][4]
7189 | status_rid.bssid[i][5]);
7191 memcpy(address[i].sa_data,
7192 status_rid.bssid[i], ETH_ALEN);
7193 address[i].sa_family = ARPHRD_ETHER;
7196 dwrq->flags = 1; /* Should be define'd */
7197 memcpy(extra + sizeof(struct sockaddr)*i,
7198 &qual, sizeof(struct iw_quality)*i);
7205 /*------------------------------------------------------------------*/
7207 * Wireless Handler : Initiate Scan
7209 static int airo_set_scan(struct net_device *dev,
7210 struct iw_request_info *info,
7211 struct iw_param *vwrq,
7214 struct airo_info *ai = dev->priv;
7219 /* Note : you may have realised that, as this is a SET operation,
7220 * this is privileged and therefore a normal user can't
7222 * This is not an error, while the device perform scanning,
7223 * traffic doesn't flow, so it's a perfect DoS...
7225 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7227 if (down_interruptible(&ai->sem))
7228 return -ERESTARTSYS;
7230 /* If there's already a scan in progress, don't
7231 * trigger another one. */
7232 if (ai->scan_timeout > 0)
7235 /* Initiate a scan command */
7236 ai->scan_timeout = RUN_AT(3*HZ);
7237 memset(&cmd, 0, sizeof(cmd));
7238 cmd.cmd=CMD_LISTBSS;
7239 issuecommand(ai, &cmd, &rsp);
7245 wake_up_interruptible(&ai->thr_wait);
7249 /*------------------------------------------------------------------*/
7251 * Translate scan data returned from the card to a card independent
7252 * format that the Wireless Tools will understand - Jean II
7254 static inline char *airo_translate_scan(struct net_device *dev,
7259 struct airo_info *ai = dev->priv;
7260 struct iw_event iwe; /* Temporary buffer */
7262 char * current_val; /* For rates */
7266 /* First entry *MUST* be the AP MAC address */
7267 iwe.cmd = SIOCGIWAP;
7268 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7269 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7270 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7272 /* Other entries will be displayed in the order we give them */
7275 iwe.u.data.length = bss->ssidLen;
7276 if(iwe.u.data.length > 32)
7277 iwe.u.data.length = 32;
7278 iwe.cmd = SIOCGIWESSID;
7279 iwe.u.data.flags = 1;
7280 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7283 iwe.cmd = SIOCGIWMODE;
7284 capabilities = le16_to_cpu(bss->cap);
7285 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7286 if(capabilities & CAP_ESS)
7287 iwe.u.mode = IW_MODE_MASTER;
7289 iwe.u.mode = IW_MODE_ADHOC;
7290 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7294 iwe.cmd = SIOCGIWFREQ;
7295 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7296 /* iwe.u.freq.m containt the channel (starting 1), our
7297 * frequency_list array start at index 0...
7299 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7301 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7303 /* Add quality statistics */
7306 iwe.u.qual.level = 0x100 - bss->dBm;
7307 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7308 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7309 | IW_QUAL_LEVEL_UPDATED
7312 iwe.u.qual.level = (bss->dBm + 321) / 2;
7313 iwe.u.qual.qual = 0;
7314 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7315 | IW_QUAL_LEVEL_UPDATED
7318 iwe.u.qual.noise = ai->wstats.qual.noise;
7319 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7321 /* Add encryption capability */
7322 iwe.cmd = SIOCGIWENCODE;
7323 if(capabilities & CAP_PRIVACY)
7324 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7326 iwe.u.data.flags = IW_ENCODE_DISABLED;
7327 iwe.u.data.length = 0;
7328 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7330 /* Rate : stuffing multiple values in a single event require a bit
7331 * more of magic - Jean II */
7332 current_val = current_ev + IW_EV_LCP_LEN;
7334 iwe.cmd = SIOCGIWRATE;
7335 /* Those two flags are ignored... */
7336 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7338 for(i = 0 ; i < 8 ; i++) {
7339 /* NULL terminated */
7340 if(bss->rates[i] == 0)
7342 /* Bit rate given in 500 kb/s units (+ 0x80) */
7343 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7344 /* Add new value to event */
7345 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7347 /* Check if we added any event */
7348 if((current_val - current_ev) > IW_EV_LCP_LEN)
7349 current_ev = current_val;
7351 /* Beacon interval */
7352 buf = kmalloc(30, GFP_KERNEL);
7354 iwe.cmd = IWEVCUSTOM;
7355 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7356 iwe.u.data.length = strlen(buf);
7357 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7361 /* Put WPA/RSN Information Elements into the event stream */
7362 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7363 unsigned int num_null_ies = 0;
7364 u16 length = sizeof (bss->extra.iep);
7365 struct ieee80211_info_element *info_element =
7366 (struct ieee80211_info_element *) &bss->extra.iep;
7368 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7369 if (sizeof(*info_element) + info_element->len > length) {
7370 /* Invalid element, don't continue parsing IE */
7374 switch (info_element->id) {
7375 case MFIE_TYPE_SSID:
7376 /* Two zero-length SSID elements
7377 * mean we're done parsing elements */
7378 if (!info_element->len)
7382 case MFIE_TYPE_GENERIC:
7383 if (info_element->len >= 4 &&
7384 info_element->data[0] == 0x00 &&
7385 info_element->data[1] == 0x50 &&
7386 info_element->data[2] == 0xf2 &&
7387 info_element->data[3] == 0x01) {
7388 iwe.cmd = IWEVGENIE;
7389 iwe.u.data.length = min(info_element->len + 2,
7391 current_ev = iwe_stream_add_point(current_ev, end_buf,
7392 &iwe, (char *) info_element);
7397 iwe.cmd = IWEVGENIE;
7398 iwe.u.data.length = min(info_element->len + 2,
7400 current_ev = iwe_stream_add_point(current_ev, end_buf,
7401 &iwe, (char *) info_element);
7408 length -= sizeof(*info_element) + info_element->len;
7410 (struct ieee80211_info_element *)&info_element->
7411 data[info_element->len];
7417 /*------------------------------------------------------------------*/
7419 * Wireless Handler : Read Scan Results
7421 static int airo_get_scan(struct net_device *dev,
7422 struct iw_request_info *info,
7423 struct iw_point *dwrq,
7426 struct airo_info *ai = dev->priv;
7427 BSSListElement *net;
7429 char *current_ev = extra;
7431 /* If a scan is in-progress, return -EAGAIN */
7432 if (ai->scan_timeout > 0)
7435 if (down_interruptible(&ai->sem))
7438 list_for_each_entry (net, &ai->network_list, list) {
7439 /* Translate to WE format this entry */
7440 current_ev = airo_translate_scan(dev, current_ev,
7441 extra + dwrq->length,
7444 /* Check if there is space for one more entry */
7445 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7446 /* Ask user space to try again with a bigger buffer */
7452 /* Length of data */
7453 dwrq->length = (current_ev - extra);
7454 dwrq->flags = 0; /* todo */
7461 /*------------------------------------------------------------------*/
7463 * Commit handler : called after a bunch of SET operations
7465 static int airo_config_commit(struct net_device *dev,
7466 struct iw_request_info *info, /* NULL */
7467 void *zwrq, /* NULL */
7468 char *extra) /* NULL */
7470 struct airo_info *local = dev->priv;
7473 if (!test_bit (FLAG_COMMIT, &local->flags))
7476 /* Some of the "SET" function may have modified some of the
7477 * parameters. It's now time to commit them in the card */
7478 disable_MAC(local, 1);
7479 if (test_bit (FLAG_RESET, &local->flags)) {
7480 APListRid APList_rid;
7483 readAPListRid(local, &APList_rid);
7484 readSsidRid(local, &SSID_rid);
7485 if (test_bit(FLAG_MPI,&local->flags))
7486 setup_card(local, dev->dev_addr, 1 );
7488 reset_airo_card(dev);
7489 disable_MAC(local, 1);
7490 writeSsidRid(local, &SSID_rid, 1);
7491 writeAPListRid(local, &APList_rid, 1);
7493 if (down_interruptible(&local->sem))
7494 return -ERESTARTSYS;
7495 writeConfigRid(local, 0);
7496 enable_MAC(local, &rsp, 0);
7497 if (test_bit (FLAG_RESET, &local->flags))
7498 airo_set_promisc(local);
7505 /*------------------------------------------------------------------*/
7507 * Structures to export the Wireless Handlers
7510 static const struct iw_priv_args airo_private_args[] = {
7511 /*{ cmd, set_args, get_args, name } */
7512 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7513 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7514 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7515 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7518 static const iw_handler airo_handler[] =
7520 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7521 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7522 (iw_handler) NULL, /* SIOCSIWNWID */
7523 (iw_handler) NULL, /* SIOCGIWNWID */
7524 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7525 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7526 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7527 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7528 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7529 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7530 (iw_handler) NULL, /* SIOCSIWRANGE */
7531 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7532 (iw_handler) NULL, /* SIOCSIWPRIV */
7533 (iw_handler) NULL, /* SIOCGIWPRIV */
7534 (iw_handler) NULL, /* SIOCSIWSTATS */
7535 (iw_handler) NULL, /* SIOCGIWSTATS */
7536 iw_handler_set_spy, /* SIOCSIWSPY */
7537 iw_handler_get_spy, /* SIOCGIWSPY */
7538 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7539 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7540 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7541 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7542 (iw_handler) NULL, /* -- hole -- */
7543 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7544 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7545 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7546 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7547 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7548 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7549 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7550 (iw_handler) NULL, /* -- hole -- */
7551 (iw_handler) NULL, /* -- hole -- */
7552 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7553 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7554 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7555 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7556 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7557 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7558 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7559 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7560 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7561 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7562 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7563 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7564 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7565 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7566 (iw_handler) NULL, /* -- hole -- */
7567 (iw_handler) NULL, /* -- hole -- */
7568 (iw_handler) NULL, /* SIOCSIWGENIE */
7569 (iw_handler) NULL, /* SIOCGIWGENIE */
7570 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7571 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7572 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7573 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7574 (iw_handler) NULL, /* SIOCSIWPMKSA */
7577 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7578 * We want to force the use of the ioctl code, because those can't be
7579 * won't work the iw_handler code (because they simultaneously read
7580 * and write data and iw_handler can't do that).
7581 * Note that it's perfectly legal to read/write on a single ioctl command,
7582 * you just can't use iwpriv and need to force it via the ioctl handler.
7584 static const iw_handler airo_private_handler[] =
7586 NULL, /* SIOCIWFIRSTPRIV */
7589 static const struct iw_handler_def airo_handler_def =
7591 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7592 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7593 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7594 .standard = airo_handler,
7595 .private = airo_private_handler,
7596 .private_args = airo_private_args,
7597 .get_wireless_stats = airo_get_wireless_stats,
7601 * This defines the configuration part of the Wireless Extensions
7602 * Note : irq and spinlock protection will occur in the subroutines
7605 * o Check input value more carefully and fill correct values in range
7606 * o Test and shakeout the bugs (if any)
7610 * Javier Achirica did a great job of merging code from the unnamed CISCO
7611 * developer that added support for flashing the card.
7613 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7616 struct airo_info *ai = (struct airo_info *)dev->priv;
7618 if (ai->power.event)
7628 int val = AIROMAGIC;
7630 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7632 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7641 /* Get the command struct and hand it off for evaluation by
7642 * the proper subfunction
7646 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7651 /* Separate R/W functions bracket legality here
7653 if ( com.command == AIRORSWVERSION ) {
7654 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7659 else if ( com.command <= AIRORRID)
7660 rc = readrids(dev,&com);
7661 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7662 rc = writerids(dev,&com);
7663 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7664 rc = flashcard(dev,&com);
7666 rc = -EINVAL; /* Bad command in ioctl */
7669 #endif /* CISCO_EXT */
7671 // All other calls are currently unsupported
7679 * Get the Wireless stats out of the driver
7680 * Note : irq and spinlock protection will occur in the subroutines
7683 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7687 static void airo_read_wireless_stats(struct airo_info *local)
7689 StatusRid status_rid;
7691 CapabilityRid cap_rid;
7692 u32 *vals = stats_rid.vals;
7694 /* Get stats out of the card */
7695 clear_bit(JOB_WSTATS, &local->jobs);
7696 if (local->power.event) {
7700 readCapabilityRid(local, &cap_rid, 0);
7701 readStatusRid(local, &status_rid, 0);
7702 readStatsRid(local, &stats_rid, RID_STATS, 0);
7706 local->wstats.status = status_rid.mode;
7708 /* Signal quality and co */
7710 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7711 /* normalizedSignalStrength appears to be a percentage */
7712 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7714 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7715 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7717 if (status_rid.len >= 124) {
7718 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7719 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7721 local->wstats.qual.noise = 0;
7722 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7725 /* Packets discarded in the wireless adapter due to wireless
7726 * specific problems */
7727 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7728 local->wstats.discard.code = vals[6];/* RxWepErr */
7729 local->wstats.discard.fragment = vals[30];
7730 local->wstats.discard.retries = vals[10];
7731 local->wstats.discard.misc = vals[1] + vals[32];
7732 local->wstats.miss.beacon = vals[34];
7735 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7737 struct airo_info *local = dev->priv;
7739 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7740 /* Get stats out of the card if available */
7741 if (down_trylock(&local->sem) != 0) {
7742 set_bit(JOB_WSTATS, &local->jobs);
7743 wake_up_interruptible(&local->thr_wait);
7745 airo_read_wireless_stats(local);
7748 return &local->wstats;
7753 * This just translates from driver IOCTL codes to the command codes to
7754 * feed to the radio's host interface. Things can be added/deleted
7755 * as needed. This represents the READ side of control I/O to
7758 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7759 unsigned short ridcode;
7760 unsigned char *iobuf;
7762 struct airo_info *ai = dev->priv;
7765 if (test_bit(FLAG_FLASHING, &ai->flags))
7768 switch(comp->command)
7770 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7771 case AIROGCFG: ridcode = RID_CONFIG;
7772 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7773 disable_MAC (ai, 1);
7774 writeConfigRid (ai, 1);
7775 enable_MAC (ai, &rsp, 1);
7778 case AIROGSLIST: ridcode = RID_SSID; break;
7779 case AIROGVLIST: ridcode = RID_APLIST; break;
7780 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7781 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7782 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7783 /* Only super-user can read WEP keys */
7784 if (!capable(CAP_NET_ADMIN))
7787 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7788 /* Only super-user can read WEP keys */
7789 if (!capable(CAP_NET_ADMIN))
7792 case AIROGSTAT: ridcode = RID_STATUS; break;
7793 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7794 case AIROGSTATSC32: ridcode = RID_STATS; break;
7796 if (copy_to_user(comp->data, &ai->micstats,
7797 min((int)comp->len,(int)sizeof(ai->micstats))))
7800 case AIRORRID: ridcode = comp->ridnum; break;
7806 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7809 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7810 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7811 * then return it to the user
7812 * 9/22/2000 Honor user given length
7816 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7825 * Danger Will Robinson write the rids here
7828 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7829 struct airo_info *ai = dev->priv;
7833 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7834 unsigned char *iobuf;
7836 /* Only super-user can write RIDs */
7837 if (!capable(CAP_NET_ADMIN))
7840 if (test_bit(FLAG_FLASHING, &ai->flags))
7844 writer = do_writerid;
7846 switch(comp->command)
7848 case AIROPSIDS: ridcode = RID_SSID; break;
7849 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7850 case AIROPAPLIST: ridcode = RID_APLIST; break;
7851 case AIROPCFG: ai->config.len = 0;
7852 clear_bit(FLAG_COMMIT, &ai->flags);
7853 ridcode = RID_CONFIG; break;
7854 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7855 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7856 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7857 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7859 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7860 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7862 /* this is not really a rid but a command given to the card
7866 if (enable_MAC(ai, &rsp, 1) != 0)
7871 * Evidently this code in the airo driver does not get a symbol
7872 * as disable_MAC. it's probably so short the compiler does not gen one.
7878 /* This command merely clears the counts does not actually store any data
7879 * only reads rid. But as it changes the cards state, I put it in the
7880 * writerid routines.
7883 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7886 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7888 enabled = ai->micstats.enabled;
7889 memset(&ai->micstats,0,sizeof(ai->micstats));
7890 ai->micstats.enabled = enabled;
7892 if (copy_to_user(comp->data, iobuf,
7893 min((int)comp->len, (int)RIDSIZE))) {
7901 return -EOPNOTSUPP; /* Blarg! */
7903 if(comp->len > RIDSIZE)
7906 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7909 if (copy_from_user(iobuf,comp->data,comp->len)) {
7914 if (comp->command == AIROPCFG) {
7915 ConfigRid *cfg = (ConfigRid *)iobuf;
7917 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7918 cfg->opmode |= MODE_MIC;
7920 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7921 set_bit (FLAG_ADHOC, &ai->flags);
7923 clear_bit (FLAG_ADHOC, &ai->flags);
7926 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7934 /*****************************************************************************
7935 * Ancillary flash / mod functions much black magic lurkes here *
7936 *****************************************************************************
7940 * Flash command switch table
7943 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7946 /* Only super-user can modify flash */
7947 if (!capable(CAP_NET_ADMIN))
7950 switch(comp->command)
7953 return cmdreset((struct airo_info *)dev->priv);
7956 if (!((struct airo_info *)dev->priv)->flash &&
7957 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7959 return setflashmode((struct airo_info *)dev->priv);
7961 case AIROFLSHGCHR: /* Get char from aux */
7962 if(comp->len != sizeof(int))
7964 if (copy_from_user(&z,comp->data,comp->len))
7966 return flashgchar((struct airo_info *)dev->priv,z,8000);
7968 case AIROFLSHPCHR: /* Send char to card. */
7969 if(comp->len != sizeof(int))
7971 if (copy_from_user(&z,comp->data,comp->len))
7973 return flashpchar((struct airo_info *)dev->priv,z,8000);
7975 case AIROFLPUTBUF: /* Send 32k to card */
7976 if (!((struct airo_info *)dev->priv)->flash)
7978 if(comp->len > FLASHSIZE)
7980 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7983 flashputbuf((struct airo_info *)dev->priv);
7987 if(flashrestart((struct airo_info *)dev->priv,dev))
7994 #define FLASH_COMMAND 0x7e7e
7998 * Disable MAC and do soft reset on
8002 static int cmdreset(struct airo_info *ai) {
8006 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8010 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8012 ssleep(1); /* WAS 600 12/7/00 */
8015 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8022 * Put the card in legendary flash
8026 static int setflashmode (struct airo_info *ai) {
8027 set_bit (FLAG_FLASHING, &ai->flags);
8029 OUT4500(ai, SWS0, FLASH_COMMAND);
8030 OUT4500(ai, SWS1, FLASH_COMMAND);
8032 OUT4500(ai, SWS0, FLASH_COMMAND);
8033 OUT4500(ai, COMMAND,0x10);
8035 OUT4500(ai, SWS2, FLASH_COMMAND);
8036 OUT4500(ai, SWS3, FLASH_COMMAND);
8037 OUT4500(ai, COMMAND,0);
8039 msleep(500); /* 500ms delay */
8042 clear_bit (FLAG_FLASHING, &ai->flags);
8043 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8049 /* Put character to SWS0 wait for dwelltime
8053 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8064 /* Wait for busy bit d15 to go false indicating buffer empty */
8065 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8070 /* timeout for busy clear wait */
8072 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8076 /* Port is clear now write byte and wait for it to echo back */
8078 OUT4500(ai,SWS0,byte);
8081 echo = IN4500(ai,SWS1);
8082 } while (dwelltime >= 0 && echo != byte);
8086 return (echo == byte) ? 0 : -EIO;
8090 * Get a character from the card matching matchbyte
8093 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8095 unsigned char rbyte=0;
8098 rchar = IN4500(ai,SWS1);
8100 if(dwelltime && !(0x8000 & rchar)){
8105 rbyte = 0xff & rchar;
8107 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8111 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8115 }while(dwelltime > 0);
8120 * Transfer 32k of firmware data from user buffer to our buffer and
8124 static int flashputbuf(struct airo_info *ai){
8128 if (test_bit(FLAG_MPI,&ai->flags))
8129 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8131 OUT4500(ai,AUXPAGE,0x100);
8132 OUT4500(ai,AUXOFF,0);
8134 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8135 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8138 OUT4500(ai,SWS0,0x8000);
8146 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8149 ssleep(1); /* Added 12/7/00 */
8150 clear_bit (FLAG_FLASHING, &ai->flags);
8151 if (test_bit(FLAG_MPI, &ai->flags)) {
8152 status = mpi_init_descriptors(ai);
8153 if (status != SUCCESS)
8156 status = setup_card(ai, dev->dev_addr, 1);
8158 if (!test_bit(FLAG_MPI,&ai->flags))
8159 for( i = 0; i < MAX_FIDS; i++ ) {
8160 ai->fids[i] = transmit_allocate
8161 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8164 ssleep(1); /* Added 12/7/00 */
8167 #endif /* CISCO_EXT */
8170 This program is free software; you can redistribute it and/or
8171 modify it under the terms of the GNU General Public License
8172 as published by the Free Software Foundation; either version 2
8173 of the License, or (at your option) any later version.
8175 This program is distributed in the hope that it will be useful,
8176 but WITHOUT ANY WARRANTY; without even the implied warranty of
8177 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8178 GNU General Public License for more details.
8182 Redistribution and use in source and binary forms, with or without
8183 modification, are permitted provided that the following conditions
8186 1. Redistributions of source code must retain the above copyright
8187 notice, this list of conditions and the following disclaimer.
8188 2. Redistributions in binary form must reproduce the above copyright
8189 notice, this list of conditions and the following disclaimer in the
8190 documentation and/or other materials provided with the distribution.
8191 3. The name of the author may not be used to endorse or promote
8192 products derived from this software without specific prior written
8195 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8196 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8197 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8198 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8199 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8200 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8201 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8202 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8203 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8204 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8205 POSSIBILITY OF SUCH DAMAGE.
8208 module_init(airo_init_module);
8209 module_exit(airo_cleanup_module);
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