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>
56 static struct pci_device_id card_ids[] = {
57 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
58 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
59 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
60 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
61 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
62 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
63 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
66 MODULE_DEVICE_TABLE(pci, card_ids);
68 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
69 static void airo_pci_remove(struct pci_dev *);
70 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
71 static int airo_pci_resume(struct pci_dev *pdev);
73 static struct pci_driver airo_driver = {
76 .probe = airo_pci_probe,
77 .remove = __devexit_p(airo_pci_remove),
78 .suspend = airo_pci_suspend,
79 .resume = airo_pci_resume,
81 #endif /* CONFIG_PCI */
83 /* Include Wireless Extension definition and check version - Jean II */
84 #include <linux/wireless.h>
85 #define WIRELESS_SPY // enable iwspy support
86 #include <net/iw_handler.h> // New driver API
88 #define CISCO_EXT // enable Cisco extensions
90 #include <linux/delay.h>
93 /* Hack to do some power saving */
96 /* As you can see this list is HUGH!
97 I really don't know what a lot of these counts are about, but they
98 are all here for completeness. If the IGNLABEL macro is put in
99 infront of the label, that statistic will not be included in the list
100 of statistics in the /proc filesystem */
102 #define IGNLABEL(comment) NULL
103 static char *statsLabels[] = {
105 IGNLABEL("RxPlcpCrcErr"),
106 IGNLABEL("RxPlcpFormatErr"),
107 IGNLABEL("RxPlcpLengthErr"),
138 "LostSync-MissedBeacons",
139 "LostSync-ArlExceeded",
141 "LostSync-Disassoced",
142 "LostSync-TsfTiming",
151 IGNLABEL("HmacTxMc"),
152 IGNLABEL("HmacTxBc"),
153 IGNLABEL("HmacTxUc"),
154 IGNLABEL("HmacTxFail"),
155 IGNLABEL("HmacRxMc"),
156 IGNLABEL("HmacRxBc"),
157 IGNLABEL("HmacRxUc"),
158 IGNLABEL("HmacRxDiscard"),
159 IGNLABEL("HmacRxAccepted"),
167 IGNLABEL("ReasonOutsideTable"),
168 IGNLABEL("ReasonStatus1"),
169 IGNLABEL("ReasonStatus2"),
170 IGNLABEL("ReasonStatus3"),
171 IGNLABEL("ReasonStatus4"),
172 IGNLABEL("ReasonStatus5"),
173 IGNLABEL("ReasonStatus6"),
174 IGNLABEL("ReasonStatus7"),
175 IGNLABEL("ReasonStatus8"),
176 IGNLABEL("ReasonStatus9"),
177 IGNLABEL("ReasonStatus10"),
178 IGNLABEL("ReasonStatus11"),
179 IGNLABEL("ReasonStatus12"),
180 IGNLABEL("ReasonStatus13"),
181 IGNLABEL("ReasonStatus14"),
182 IGNLABEL("ReasonStatus15"),
183 IGNLABEL("ReasonStatus16"),
184 IGNLABEL("ReasonStatus17"),
185 IGNLABEL("ReasonStatus18"),
186 IGNLABEL("ReasonStatus19"),
206 #define RUN_AT(x) (jiffies+(x))
210 /* These variables are for insmod, since it seems that the rates
211 can only be set in setup_card. Rates should be a comma separated
212 (no spaces) list of rates (up to 8). */
215 static int basic_rate;
216 static char *ssids[3];
222 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
223 0 means no limit. For old cards this was 4 */
225 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
226 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
227 the bap, needed on some older cards and buses. */
230 static int probe = 1;
232 static int proc_uid /* = 0 */;
234 static int proc_gid /* = 0 */;
236 static int airo_perm = 0555;
238 static int proc_perm = 0644;
240 MODULE_AUTHOR("Benjamin Reed");
241 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
242 cards. Direct support for ISA/PCI/MPI cards and support \
243 for PCMCIA when used with airo_cs.");
244 MODULE_LICENSE("Dual BSD/GPL");
245 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
246 module_param_array(io, int, NULL, 0);
247 module_param_array(irq, int, NULL, 0);
248 module_param(basic_rate, int, 0);
249 module_param_array(rates, int, NULL, 0);
250 module_param_array(ssids, charp, NULL, 0);
251 module_param(auto_wep, int, 0);
252 MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
253 the authentication options until an association is made. The value of \
254 auto_wep is number of the wep keys to check. A value of 2 will try using \
255 the key at index 0 and index 1.");
256 module_param(aux_bap, int, 0);
257 MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
258 than seems to work better for older cards with some older buses. Before \
259 switching it checks that the switch is needed.");
260 module_param(maxencrypt, int, 0);
261 MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
262 encryption. Units are in 512kbs. Zero (default) means there is no limit. \
263 Older cards used to be limited to 2mbs (4).");
264 module_param(adhoc, int, 0);
265 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
266 module_param(probe, int, 0);
267 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");
269 module_param(proc_uid, int, 0);
270 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
271 module_param(proc_gid, int, 0);
272 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
273 module_param(airo_perm, int, 0);
274 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
275 module_param(proc_perm, int, 0);
276 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
278 /* This is a kind of sloppy hack to get this information to OUT4500 and
279 IN4500. I would be extremely interested in the situation where this
280 doesn't work though!!! */
281 static int do8bitIO = 0;
290 #define MAC_ENABLE 0x0001
291 #define MAC_DISABLE 0x0002
292 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
293 #define CMD_SOFTRESET 0x0004
294 #define HOSTSLEEP 0x0005
295 #define CMD_MAGIC_PKT 0x0006
296 #define CMD_SETWAKEMASK 0x0007
297 #define CMD_READCFG 0x0008
298 #define CMD_SETMODE 0x0009
299 #define CMD_ALLOCATETX 0x000a
300 #define CMD_TRANSMIT 0x000b
301 #define CMD_DEALLOCATETX 0x000c
303 #define CMD_WORKAROUND 0x0011
304 #define CMD_ALLOCATEAUX 0x0020
305 #define CMD_ACCESS 0x0021
306 #define CMD_PCIBAP 0x0022
307 #define CMD_PCIAUX 0x0023
308 #define CMD_ALLOCBUF 0x0028
309 #define CMD_GETTLV 0x0029
310 #define CMD_PUTTLV 0x002a
311 #define CMD_DELTLV 0x002b
312 #define CMD_FINDNEXTTLV 0x002c
313 #define CMD_PSPNODES 0x0030
314 #define CMD_SETCW 0x0031
315 #define CMD_SETPCF 0x0032
316 #define CMD_SETPHYREG 0x003e
317 #define CMD_TXTEST 0x003f
318 #define MAC_ENABLETX 0x0101
319 #define CMD_LISTBSS 0x0103
320 #define CMD_SAVECFG 0x0108
321 #define CMD_ENABLEAUX 0x0111
322 #define CMD_WRITERID 0x0121
323 #define CMD_USEPSPNODES 0x0130
324 #define MAC_ENABLERX 0x0201
327 #define ERROR_QUALIF 0x00
328 #define ERROR_ILLCMD 0x01
329 #define ERROR_ILLFMT 0x02
330 #define ERROR_INVFID 0x03
331 #define ERROR_INVRID 0x04
332 #define ERROR_LARGE 0x05
333 #define ERROR_NDISABL 0x06
334 #define ERROR_ALLOCBSY 0x07
335 #define ERROR_NORD 0x0B
336 #define ERROR_NOWR 0x0C
337 #define ERROR_INVFIDTX 0x0D
338 #define ERROR_TESTACT 0x0E
339 #define ERROR_TAGNFND 0x12
340 #define ERROR_DECODE 0x20
341 #define ERROR_DESCUNAV 0x21
342 #define ERROR_BADLEN 0x22
343 #define ERROR_MODE 0x80
344 #define ERROR_HOP 0x81
345 #define ERROR_BINTER 0x82
346 #define ERROR_RXMODE 0x83
347 #define ERROR_MACADDR 0x84
348 #define ERROR_RATES 0x85
349 #define ERROR_ORDER 0x86
350 #define ERROR_SCAN 0x87
351 #define ERROR_AUTH 0x88
352 #define ERROR_PSMODE 0x89
353 #define ERROR_RTYPE 0x8A
354 #define ERROR_DIVER 0x8B
355 #define ERROR_SSID 0x8C
356 #define ERROR_APLIST 0x8D
357 #define ERROR_AUTOWAKE 0x8E
358 #define ERROR_LEAP 0x8F
369 #define LINKSTAT 0x10
373 #define TXALLOCFID 0x22
374 #define TXCOMPLFID 0x24
389 /* Offset into aux memory for descriptors */
390 #define AUX_OFFSET 0x800
391 /* Size of allocated packets */
394 /* Size of the transmit queue */
398 #define BAP0 0 // Used for receiving packets
399 #define BAP1 2 // Used for xmiting packets and working with RIDS
402 #define COMMAND_BUSY 0x8000
404 #define BAP_BUSY 0x8000
405 #define BAP_ERR 0x4000
406 #define BAP_DONE 0x2000
408 #define PROMISC 0xffff
409 #define NOPROMISC 0x0000
412 #define EV_CLEARCOMMANDBUSY 0x4000
415 #define EV_TXEXC 0x04
416 #define EV_ALLOC 0x08
418 #define EV_AWAKE 0x100
419 #define EV_TXCPY 0x400
420 #define EV_UNKNOWN 0x800
421 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
422 #define EV_AWAKEN 0x2000
423 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)
425 #ifdef CHECK_UNKNOWN_INTS
426 #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
428 #define IGNORE_INTS (~STATUS_INTS)
435 #define RID_CAPABILITIES 0xFF00
436 #define RID_APINFO 0xFF01
437 #define RID_RADIOINFO 0xFF02
438 #define RID_UNKNOWN3 0xFF03
439 #define RID_RSSI 0xFF04
440 #define RID_CONFIG 0xFF10
441 #define RID_SSID 0xFF11
442 #define RID_APLIST 0xFF12
443 #define RID_DRVNAME 0xFF13
444 #define RID_ETHERENCAP 0xFF14
445 #define RID_WEP_TEMP 0xFF15
446 #define RID_WEP_PERM 0xFF16
447 #define RID_MODULATION 0xFF17
448 #define RID_OPTIONS 0xFF18
449 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/
450 #define RID_FACTORYCONFIG 0xFF21
451 #define RID_UNKNOWN22 0xFF22
452 #define RID_LEAPUSERNAME 0xFF23
453 #define RID_LEAPPASSWORD 0xFF24
454 #define RID_STATUS 0xFF50
455 #define RID_BEACON_HST 0xFF51
456 #define RID_BUSY_HST 0xFF52
457 #define RID_RETRIES_HST 0xFF53
458 #define RID_UNKNOWN54 0xFF54
459 #define RID_UNKNOWN55 0xFF55
460 #define RID_UNKNOWN56 0xFF56
461 #define RID_MIC 0xFF57
462 #define RID_STATS16 0xFF60
463 #define RID_STATS16DELTA 0xFF61
464 #define RID_STATS16DELTACLEAR 0xFF62
465 #define RID_STATS 0xFF68
466 #define RID_STATSDELTA 0xFF69
467 #define RID_STATSDELTACLEAR 0xFF6A
468 #define RID_ECHOTEST_RID 0xFF70
469 #define RID_ECHOTEST_RESULTS 0xFF71
470 #define RID_BSSLISTFIRST 0xFF72
471 #define RID_BSSLISTNEXT 0xFF73
472 #define RID_WPA_BSSLISTFIRST 0xFF74
473 #define RID_WPA_BSSLISTNEXT 0xFF75
490 * Rids and endian-ness: The Rids will always be in cpu endian, since
491 * this all the patches from the big-endian guys end up doing that.
492 * so all rid access should use the read/writeXXXRid routines.
495 /* This is redundant for x86 archs, but it seems necessary for ARM */
498 /* This structure came from an email sent to me from an engineer at
499 aironet for inclusion into this driver */
508 /* These structures are from the Aironet's PC4500 Developers Manual */
522 #define MOD_DEFAULT 0
528 u16 len; /* sizeof(ConfigRid) */
529 u16 opmode; /* operating mode */
530 #define MODE_STA_IBSS 0
531 #define MODE_STA_ESS 1
533 #define MODE_AP_RPTR 3
534 #define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
535 #define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
536 #define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
537 #define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
538 #define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
539 #define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
540 #define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
541 #define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
542 #define MODE_MIC (1<<15) /* enable MIC */
543 u16 rmode; /* receive mode */
544 #define RXMODE_BC_MC_ADDR 0
545 #define RXMODE_BC_ADDR 1 /* ignore multicasts */
546 #define RXMODE_ADDR 2 /* ignore multicast and broadcast */
547 #define RXMODE_RFMON 3 /* wireless monitor mode */
548 #define RXMODE_RFMON_ANYBSS 4
549 #define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
550 #define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
551 #define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
554 u8 macAddr[ETH_ALEN];
558 u16 txLifetime; /* in kusec */
559 u16 rxLifetime; /* in kusec */
562 u16 u16deviceType; /* for overriding device type */
566 /*---------- Scanning/Associating ----------*/
568 #define SCANMODE_ACTIVE 0
569 #define SCANMODE_PASSIVE 1
570 #define SCANMODE_AIROSCAN 2
571 u16 probeDelay; /* in kusec */
572 u16 probeEnergyTimeout; /* in kusec */
573 u16 probeResponseTimeout;
574 u16 beaconListenTimeout;
578 #define AUTH_OPEN 0x1
579 #define AUTH_ENCRYPT 0x101
580 #define AUTH_SHAREDKEY 0x102
581 #define AUTH_ALLOW_UNENCRYPTED 0x200
582 u16 associationTimeout;
583 u16 specifiedApTimeout;
584 u16 offlineScanInterval;
585 u16 offlineScanDuration;
587 u16 maxBeaconLostTime;
589 #define DISABLE_REFRESH 0xFFFF
591 /*---------- Power save operation ----------*/
593 #define POWERSAVE_CAM 0
594 #define POWERSAVE_PSP 1
595 #define POWERSAVE_PSPCAM 2
598 u16 fastListenInterval;
602 /*---------- Ap/Ibss config items ----------*/
611 /*---------- Radio configuration ----------*/
613 #define RADIOTYPE_DEFAULT 0
614 #define RADIOTYPE_802_11 1
615 #define RADIOTYPE_LEGACY 2
619 #define TXPOWER_DEFAULT 0
621 #define RSSI_DEFAULT 0
623 #define PREAMBLE_AUTO 0
624 #define PREAMBLE_LONG 1
625 #define PREAMBLE_SHORT 2
629 /*---------- Aironet Extensions ----------*/
635 /*---------- Aironet Extensions ----------*/
637 #define MAGIC_ACTION_STSCHG 1
638 #define MAGIC_ACTION_RESUME 2
639 #define MAGIC_IGNORE_MCAST (1<<8)
640 #define MAGIC_IGNORE_BCAST (1<<9)
641 #define MAGIC_SWITCH_TO_PSP (0<<10)
642 #define MAGIC_STAY_IN_CAM (1<<10)
656 u8 bssid[4][ETH_ALEN];
670 u16 normalizedSignalStrength;
673 u8 noisePercent; /* Noise percent in last second */
674 u8 noisedBm; /* Noise dBm in last second */
675 u8 noiseAvePercent; /* Noise percent in last minute */
676 u8 noiseAvedBm; /* Noise dBm in last minute */
677 u8 noiseMaxPercent; /* Highest noise percent in last minute */
678 u8 noiseMaxdBm; /* Highest noise dbm in last minute */
682 #define STAT_NOPACKETS 0
683 #define STAT_NOCARRIERSET 10
684 #define STAT_GOTCARRIERSET 11
685 #define STAT_WRONGSSID 20
686 #define STAT_BADCHANNEL 25
687 #define STAT_BADBITRATES 30
688 #define STAT_BADPRIVACY 35
689 #define STAT_APFOUND 40
690 #define STAT_APREJECTED 50
691 #define STAT_AUTHENTICATING 60
692 #define STAT_DEAUTHENTICATED 61
693 #define STAT_AUTHTIMEOUT 62
694 #define STAT_ASSOCIATING 70
695 #define STAT_DEASSOCIATED 71
696 #define STAT_ASSOCTIMEOUT 72
697 #define STAT_NOTAIROAP 73
698 #define STAT_ASSOCIATED 80
699 #define STAT_LEAPING 90
700 #define STAT_LEAPFAILED 91
701 #define STAT_LEAPTIMEDOUT 92
702 #define STAT_LEAPCOMPLETE 93
725 char factoryAddr[ETH_ALEN];
726 char aironetAddr[ETH_ALEN];
729 char callid[ETH_ALEN];
730 char supportedRates[8];
733 u16 txPowerLevels[8];
747 /* Only present on firmware >= 5.30.17 */
750 u8 fixed[12]; /* WLAN management frame */
756 u16 index; /* First is 0 and 0xffff means end of list */
757 #define RADIO_FH 1 /* Frequency hopping radio type */
758 #define RADIO_DS 2 /* Direct sequence radio type */
759 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
761 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
766 #define CAP_ESS (1<<0)
767 #define CAP_IBSS (1<<1)
768 #define CAP_PRIVACY (1<<4)
769 #define CAP_SHORTHDR (1<<5)
772 u8 rates[8]; /* Same as rates for config rid */
773 struct { /* For frequency hopping only */
783 /* Only present on firmware >= 5.30.17 */
784 BSSListRidExtra extra;
789 struct list_head list;
835 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
836 #define TXCTL_TXEX (1<<2) /* report if tx fails */
837 #define TXCTL_802_3 (0<<3) /* 802.3 packet */
838 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
839 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
840 #define TXCTL_LLC (1<<4) /* payload is llc */
841 #define TXCTL_RELEASE (0<<5) /* release after completion */
842 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */
844 #define BUSY_FID 0x10000
847 #define AIROMAGIC 0xa55a
848 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
849 #ifdef SIOCIWFIRSTPRIV
850 #ifdef SIOCDEVPRIVATE
851 #define AIROOLDIOCTL SIOCDEVPRIVATE
852 #define AIROOLDIDIFC AIROOLDIOCTL + 1
853 #endif /* SIOCDEVPRIVATE */
854 #else /* SIOCIWFIRSTPRIV */
855 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
856 #endif /* SIOCIWFIRSTPRIV */
857 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
858 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
859 * only and don't return the modified struct ifreq to the application which
860 * is usually a problem. - Jean II */
861 #define AIROIOCTL SIOCIWFIRSTPRIV
862 #define AIROIDIFC AIROIOCTL + 1
864 /* Ioctl constants to be used in airo_ioctl.command */
866 #define AIROGCAP 0 // Capability rid
867 #define AIROGCFG 1 // USED A LOT
868 #define AIROGSLIST 2 // System ID list
869 #define AIROGVLIST 3 // List of specified AP's
870 #define AIROGDRVNAM 4 // NOTUSED
871 #define AIROGEHTENC 5 // NOTUSED
872 #define AIROGWEPKTMP 6
873 #define AIROGWEPKNV 7
875 #define AIROGSTATSC32 9
876 #define AIROGSTATSD32 10
877 #define AIROGMICRID 11
878 #define AIROGMICSTATS 12
879 #define AIROGFLAGS 13
882 #define AIRORSWVERSION 17
884 /* Leave gap of 40 commands after AIROGSTATSD32 for future */
886 #define AIROPCAP AIROGSTATSD32 + 40
887 #define AIROPVLIST AIROPCAP + 1
888 #define AIROPSLIST AIROPVLIST + 1
889 #define AIROPCFG AIROPSLIST + 1
890 #define AIROPSIDS AIROPCFG + 1
891 #define AIROPAPLIST AIROPSIDS + 1
892 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */
893 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */
894 #define AIROPSTCLR AIROPMACOFF + 1
895 #define AIROPWEPKEY AIROPSTCLR + 1
896 #define AIROPWEPKEYNV AIROPWEPKEY + 1
897 #define AIROPLEAPPWD AIROPWEPKEYNV + 1
898 #define AIROPLEAPUSR AIROPLEAPPWD + 1
902 #define AIROFLSHRST AIROPWEPKEYNV + 40
903 #define AIROFLSHGCHR AIROFLSHRST + 1
904 #define AIROFLSHSTFL AIROFLSHGCHR + 1
905 #define AIROFLSHPCHR AIROFLSHSTFL + 1
906 #define AIROFLPUTBUF AIROFLSHPCHR + 1
907 #define AIRORESTART AIROFLPUTBUF + 1
909 #define FLASHSIZE 32768
910 #define AUXMEMSIZE (256 * 1024)
912 typedef struct aironet_ioctl {
913 unsigned short command; // What to do
914 unsigned short len; // Len of data
915 unsigned short ridnum; // rid number
916 unsigned char __user *data; // d-data
919 static char swversion[] = "2.1";
920 #endif /* CISCO_EXT */
922 #define NUM_MODULES 2
923 #define MIC_MSGLEN_MAX 2400
924 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
925 #define AIRO_DEF_MTU 2312
929 u8 enabled; // MIC enabled or not
930 u32 rxSuccess; // successful packets received
931 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison
932 u32 rxNotMICed; // pkts dropped due to not being MIC'd
933 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed
934 u32 rxWrongSequence; // pkts dropped due to sequence number violation
939 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
940 u64 accum; // accumulated mic, reduced to u32 in final()
941 int position; // current position (byte offset) in message
945 } part; // saves partial message word across update() calls
949 emmh32_context seed; // Context - the seed
950 u32 rx; // Received sequence number
951 u32 tx; // Tx sequence number
952 u32 window; // Start of window
953 u8 valid; // Flag to say if context is valid or not
958 miccntx mCtx; // Multicast context
959 miccntx uCtx; // Unicast context
963 unsigned int rid: 16;
964 unsigned int len: 15;
965 unsigned int valid: 1;
966 dma_addr_t host_addr;
970 unsigned int offset: 15;
972 unsigned int len: 15;
973 unsigned int valid: 1;
974 dma_addr_t host_addr;
978 unsigned int ctl: 15;
980 unsigned int len: 15;
981 unsigned int valid: 1;
982 dma_addr_t host_addr;
986 * Host receive descriptor
989 unsigned char __iomem *card_ram_off; /* offset into card memory of the
991 RxFid rx_desc; /* card receive descriptor */
992 char *virtual_host_addr; /* virtual address of host receive
998 * Host transmit descriptor
1001 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1003 TxFid tx_desc; /* card transmit descriptor */
1004 char *virtual_host_addr; /* virtual address of host receive
1010 * Host RID descriptor
1013 unsigned char __iomem *card_ram_off; /* offset into card memory of the
1015 Rid rid_desc; /* card RID descriptor */
1016 char *virtual_host_addr; /* virtual address of host receive
1025 #define HOST_SET (1 << 0)
1026 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */
1027 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */
1028 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */
1029 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */
1030 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */
1031 #define HOST_CLR_AID (1 << 7) /* clear AID failure */
1032 #define HOST_RTS (1 << 9) /* Force RTS use */
1033 #define HOST_SHORT (1 << 10) /* Do short preamble */
1060 static WifiCtlHdr wifictlhdr8023 = {
1062 .ctl = HOST_DONT_RLSE,
1066 // Frequency list (map channels to frequencies)
1067 static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1068 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
1070 // A few details needed for WEP (Wireless Equivalent Privacy)
1071 #define MAX_KEY_SIZE 13 // 128 (?) bits
1072 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
1073 typedef struct wep_key_t {
1075 u8 key[16]; /* 40-bit and 104-bit keys */
1078 /* Backward compatibility */
1079 #ifndef IW_ENCODE_NOKEY
1080 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
1081 #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
1082 #endif /* IW_ENCODE_NOKEY */
1084 /* List of Wireless Handlers (new API) */
1085 static const struct iw_handler_def airo_handler_def;
1087 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
1091 static int get_dec_u16( char *buffer, int *start, int limit );
1092 static void OUT4500( struct airo_info *, u16 register, u16 value );
1093 static unsigned short IN4500( struct airo_info *, u16 register );
1094 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
1095 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
1096 static void disable_MAC(struct airo_info *ai, int lock);
1097 static void enable_interrupts(struct airo_info*);
1098 static void disable_interrupts(struct airo_info*);
1099 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
1100 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
1101 static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1103 static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
1105 static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
1107 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
1108 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock);
1109 static int PC4500_writerid(struct airo_info*, u16 rid, const void
1110 *pBuf, int len, int lock);
1111 static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
1112 int len, int dummy );
1113 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
1114 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
1115 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
1117 static int mpi_send_packet (struct net_device *dev);
1118 static void mpi_unmap_card(struct pci_dev *pci);
1119 static void mpi_receive_802_3(struct airo_info *ai);
1120 static void mpi_receive_802_11(struct airo_info *ai);
1121 static int waitbusy (struct airo_info *ai);
1123 static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
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);
2902 set_bit(FLAG_REGISTERED,&ai->flags);
2903 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2904 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2905 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2907 /* Allocate the transmit buffers */
2908 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2909 for( i = 0; i < MAX_FIDS; i++ )
2910 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2912 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2913 netif_start_queue(dev);
2914 SET_MODULE_OWNER(dev);
2918 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2919 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2920 iounmap(ai->pciaux);
2921 iounmap(ai->pcimem);
2922 mpi_unmap_card(ai->pci);
2926 release_region( dev->base_addr, 64 );
2928 free_irq(dev->irq, dev);
2932 set_bit(JOB_DIE, &ai->jobs);
2933 kthread_stop(ai->airo_thread_task);
2939 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2940 struct device *dmdev)
2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2945 EXPORT_SYMBOL(init_airo_card);
2947 static int waitbusy (struct airo_info *ai) {
2949 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2951 if ((++delay % 20) == 0)
2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2954 return delay < 10000;
2957 int reset_airo_card( struct net_device *dev )
2960 struct airo_info *ai = dev->priv;
2962 if (reset_card (dev, 1))
2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2966 airo_print_err(dev->name, "MAC could not be enabled");
2969 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2970 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2971 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2972 /* Allocate the transmit buffers if needed */
2973 if (!test_bit(FLAG_MPI,&ai->flags))
2974 for( i = 0; i < MAX_FIDS; i++ )
2975 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2977 enable_interrupts( ai );
2978 netif_wake_queue(dev);
2982 EXPORT_SYMBOL(reset_airo_card);
2984 static void airo_send_event(struct net_device *dev) {
2985 struct airo_info *ai = dev->priv;
2986 union iwreq_data wrqu;
2987 StatusRid status_rid;
2989 clear_bit(JOB_EVENT, &ai->jobs);
2990 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2992 wrqu.data.length = 0;
2993 wrqu.data.flags = 0;
2994 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2995 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2997 /* Send event to user space */
2998 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3001 static void airo_process_scan_results (struct airo_info *ai) {
3002 union iwreq_data wrqu;
3005 BSSListElement * loop_net;
3006 BSSListElement * tmp_net;
3008 /* Blow away current list of scan results */
3009 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3010 list_move_tail (&loop_net->list, &ai->network_free_list);
3011 /* Don't blow away ->list, just BSS data */
3012 memset (loop_net, 0, sizeof (loop_net->bss));
3015 /* Try to read the first entry of the scan result */
3016 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3017 if((rc) || (bss.index == 0xffff)) {
3018 /* No scan results */
3022 /* Read and parse all entries */
3024 while((!rc) && (bss.index != 0xffff)) {
3025 /* Grab a network off the free list */
3026 if (!list_empty(&ai->network_free_list)) {
3027 tmp_net = list_entry(ai->network_free_list.next,
3028 BSSListElement, list);
3029 list_del(ai->network_free_list.next);
3032 if (tmp_net != NULL) {
3033 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3034 list_add_tail(&tmp_net->list, &ai->network_list);
3038 /* Read next entry */
3039 rc = PC4500_readrid(ai, ai->bssListNext,
3040 &bss, ai->bssListRidLen, 0);
3044 ai->scan_timeout = 0;
3045 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3048 /* Send an empty event to user space.
3049 * We don't send the received data on
3050 * the event because it would require
3051 * us to do complex transcoding, and
3052 * we want to minimise the work done in
3053 * the irq handler. Use a request to
3054 * extract the data - Jean II */
3055 wrqu.data.length = 0;
3056 wrqu.data.flags = 0;
3057 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3060 static int airo_thread(void *data) {
3061 struct net_device *dev = data;
3062 struct airo_info *ai = dev->priv;
3066 /* make swsusp happy with our thread */
3069 if (test_bit(JOB_DIE, &ai->jobs))
3073 locked = down_interruptible(&ai->sem);
3077 init_waitqueue_entry(&wait, current);
3078 add_wait_queue(&ai->thr_wait, &wait);
3080 set_current_state(TASK_INTERRUPTIBLE);
3083 if (ai->expires || ai->scan_timeout) {
3084 if (ai->scan_timeout &&
3085 time_after_eq(jiffies,ai->scan_timeout)){
3086 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3088 } else if (ai->expires &&
3089 time_after_eq(jiffies,ai->expires)){
3090 set_bit(JOB_AUTOWEP, &ai->jobs);
3093 if (!kthread_should_stop()) {
3094 unsigned long wake_at;
3095 if (!ai->expires || !ai->scan_timeout) {
3096 wake_at = max(ai->expires,
3099 wake_at = min(ai->expires,
3102 schedule_timeout(wake_at - jiffies);
3105 } else if (!kthread_should_stop()) {
3111 current->state = TASK_RUNNING;
3112 remove_wait_queue(&ai->thr_wait, &wait);
3119 if (test_bit(JOB_DIE, &ai->jobs)) {
3124 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3129 if (test_bit(JOB_XMIT, &ai->jobs))
3131 else if (test_bit(JOB_XMIT11, &ai->jobs))
3132 airo_end_xmit11(dev);
3133 else if (test_bit(JOB_STATS, &ai->jobs))
3134 airo_read_stats(ai);
3135 else if (test_bit(JOB_WSTATS, &ai->jobs))
3136 airo_read_wireless_stats(ai);
3137 else if (test_bit(JOB_PROMISC, &ai->jobs))
3138 airo_set_promisc(ai);
3139 else if (test_bit(JOB_MIC, &ai->jobs))
3141 else if (test_bit(JOB_EVENT, &ai->jobs))
3142 airo_send_event(dev);
3143 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3145 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3146 airo_process_scan_results(ai);
3147 else /* Shouldn't get here, but we make sure to unlock */
3154 static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
3155 struct net_device *dev = (struct net_device *)dev_id;
3158 struct airo_info *apriv = dev->priv;
3159 u16 savedInterrupts = 0;
3162 if (!netif_device_present(dev))
3166 status = IN4500( apriv, EVSTAT );
3167 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3171 if ( status & EV_AWAKE ) {
3172 OUT4500( apriv, EVACK, EV_AWAKE );
3173 OUT4500( apriv, EVACK, EV_AWAKE );
3176 if (!savedInterrupts) {
3177 savedInterrupts = IN4500( apriv, EVINTEN );
3178 OUT4500( apriv, EVINTEN, 0 );
3181 if ( status & EV_MIC ) {
3182 OUT4500( apriv, EVACK, EV_MIC );
3183 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3184 set_bit(JOB_MIC, &apriv->jobs);
3185 wake_up_interruptible(&apriv->thr_wait);
3188 if ( status & EV_LINK ) {
3189 union iwreq_data wrqu;
3190 int scan_forceloss = 0;
3191 /* The link status has changed, if you want to put a
3192 monitor hook in, do it here. (Remember that
3193 interrupts are still disabled!)
3195 u16 newStatus = IN4500(apriv, LINKSTAT);
3196 OUT4500( apriv, EVACK, EV_LINK);
3197 /* Here is what newStatus means: */
3198 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3199 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3200 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3201 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3202 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3203 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3204 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3205 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3207 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3209 #define ASSOCIATED 0x0400 /* Associated */
3210 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3211 #define RC_RESERVED 0 /* Reserved return code */
3212 #define RC_NOREASON 1 /* Unspecified reason */
3213 #define RC_AUTHINV 2 /* Previous authentication invalid */
3214 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3216 #define RC_NOACT 4 /* Disassociated due to inactivity */
3217 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3218 all currently associated stations */
3219 #define RC_BADCLASS2 6 /* Class 2 frame received from
3220 non-Authenticated station */
3221 #define RC_BADCLASS3 7 /* Class 3 frame received from
3222 non-Associated station */
3223 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3225 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3226 Authenticated with the responding station */
3227 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3229 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3232 if (apriv->list_bss_task)
3233 wake_up_process(apriv->list_bss_task);
3234 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3235 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3237 if (down_trylock(&apriv->sem) != 0) {
3238 set_bit(JOB_EVENT, &apriv->jobs);
3239 wake_up_interruptible(&apriv->thr_wait);
3241 airo_send_event(dev);
3242 } else if (!scan_forceloss) {
3243 if (auto_wep && !apriv->expires) {
3244 apriv->expires = RUN_AT(3*HZ);
3245 wake_up_interruptible(&apriv->thr_wait);
3248 /* Send event to user space */
3249 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3250 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3251 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3255 /* Check to see if there is something to receive */
3256 if ( status & EV_RX ) {
3257 struct sk_buff *skb = NULL;
3258 u16 fc, len, hdrlen = 0;
3272 if (test_bit(FLAG_MPI,&apriv->flags)) {
3273 if (test_bit(FLAG_802_11, &apriv->flags))
3274 mpi_receive_802_11(apriv);
3276 mpi_receive_802_3(apriv);
3277 OUT4500(apriv, EVACK, EV_RX);
3281 fid = IN4500( apriv, RXFID );
3283 /* Get the packet length */
3284 if (test_bit(FLAG_802_11, &apriv->flags)) {
3285 bap_setup (apriv, fid, 4, BAP0);
3286 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3287 /* Bad CRC. Ignore packet */
3288 if (le16_to_cpu(hdr.status) & 2)
3290 if (apriv->wifidev == NULL)
3293 bap_setup (apriv, fid, 0x36, BAP0);
3294 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3296 len = le16_to_cpu(hdr.len);
3298 if (len > AIRO_DEF_MTU) {
3299 airo_print_err(apriv->dev->name, "Bad size %d", len);
3305 if (test_bit(FLAG_802_11, &apriv->flags)) {
3306 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3307 fc = le16_to_cpu(fc);
3310 if ((fc & 0xe0) == 0xc0)
3316 if ((fc&0x300)==0x300){
3324 hdrlen = ETH_ALEN * 2;
3326 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3328 apriv->stats.rx_dropped++;
3331 skb_reserve(skb, 2); /* This way the IP header is aligned */
3332 buffer = (u16*)skb_put (skb, len + hdrlen);
3333 if (test_bit(FLAG_802_11, &apriv->flags)) {
3335 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3337 bap_read (apriv, tmpbuf, 6, BAP0);
3339 bap_read (apriv, &gap, sizeof(gap), BAP0);
3340 gap = le16_to_cpu(gap);
3343 bap_read (apriv, tmpbuf, gap, BAP0);
3345 airo_print_err(apriv->dev->name, "gaplen too "
3346 "big. Problems will follow...");
3349 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3352 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3353 if (apriv->micstats.enabled) {
3354 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3355 if (ntohs(micbuf.typelen) > 0x05DC)
3356 bap_setup (apriv, fid, 0x44, BAP0);
3358 if (len <= sizeof(micbuf))
3361 len -= sizeof(micbuf);
3362 skb_trim (skb, len + hdrlen);
3365 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3366 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3368 dev_kfree_skb_irq (skb);
3370 OUT4500( apriv, EVACK, EV_RX);
3375 if (apriv->spy_data.spy_number > 0) {
3377 struct iw_quality wstats;
3378 /* Prepare spy data : addr + qual */
3379 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3380 sa = (char*)buffer + 6;
3381 bap_setup (apriv, fid, 8, BAP0);
3382 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3384 sa = (char*)buffer + 10;
3385 wstats.qual = hdr.rssi[0];
3387 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3389 wstats.level = (hdr.rssi[1] + 321) / 2;
3390 wstats.noise = apriv->wstats.qual.noise;
3391 wstats.updated = IW_QUAL_LEVEL_UPDATED
3392 | IW_QUAL_QUAL_UPDATED
3394 /* Update spy records */
3395 wireless_spy_update(dev, sa, &wstats);
3397 #endif /* WIRELESS_SPY */
3398 OUT4500( apriv, EVACK, EV_RX);
3400 if (test_bit(FLAG_802_11, &apriv->flags)) {
3401 skb->mac.raw = skb->data;
3402 skb->pkt_type = PACKET_OTHERHOST;
3403 skb->dev = apriv->wifidev;
3404 skb->protocol = htons(ETH_P_802_2);
3407 skb->protocol = eth_type_trans(skb,dev);
3409 skb->dev->last_rx = jiffies;
3410 skb->ip_summed = CHECKSUM_NONE;
3416 /* Check to see if a packet has been transmitted */
3417 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3422 if (test_bit(FLAG_MPI,&apriv->flags)) {
3423 unsigned long flags;
3425 if (status & EV_TXEXC)
3426 get_tx_error(apriv, -1);
3427 spin_lock_irqsave(&apriv->aux_lock, flags);
3428 if (!skb_queue_empty(&apriv->txq)) {
3429 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3430 mpi_send_packet (dev);
3432 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3433 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3434 netif_wake_queue (dev);
3436 OUT4500( apriv, EVACK,
3437 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3441 fid = IN4500(apriv, TXCOMPLFID);
3443 for( i = 0; i < MAX_FIDS; i++ ) {
3444 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3445 len = apriv->fids[i] >> 16;
3450 if (status & EV_TXEXC)
3451 get_tx_error(apriv, index);
3452 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3453 /* Set up to be used again */
3454 apriv->fids[index] &= 0xffff;
3455 if (index < MAX_FIDS / 2) {
3456 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3457 netif_wake_queue(dev);
3459 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3460 netif_wake_queue(apriv->wifidev);
3463 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3464 airo_print_err(apriv->dev->name, "Unallocated FID was "
3469 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3470 airo_print_warn(apriv->dev->name, "Got weird status %x",
3471 status & ~STATUS_INTS & ~IGNORE_INTS );
3474 if (savedInterrupts)
3475 OUT4500( apriv, EVINTEN, savedInterrupts );
3478 return IRQ_RETVAL(handled);
3482 * Routines to talk to the card
3486 * This was originally written for the 4500, hence the name
3487 * NOTE: If use with 8bit mode and SMP bad things will happen!
3488 * Why would some one do 8 bit IO in an SMP machine?!?
3490 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3491 if (test_bit(FLAG_MPI,&ai->flags))
3494 outw( val, ai->dev->base_addr + reg );
3496 outb( val & 0xff, ai->dev->base_addr + reg );
3497 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3501 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3504 if (test_bit(FLAG_MPI,&ai->flags))
3507 rc = inw( ai->dev->base_addr + reg );
3509 rc = inb( ai->dev->base_addr + reg );
3510 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3515 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3519 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3520 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3521 * Note : we could try to use !netif_running(dev) in enable_MAC()
3522 * instead of this flag, but I don't trust it *within* the
3523 * open/close functions, and testing both flags together is
3524 * "cheaper" - Jean II */
3525 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3527 if (lock && down_interruptible(&ai->sem))
3528 return -ERESTARTSYS;
3530 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3531 memset(&cmd, 0, sizeof(cmd));
3532 cmd.cmd = MAC_ENABLE;
3533 rc = issuecommand(ai, &cmd, rsp);
3535 set_bit(FLAG_ENABLED, &ai->flags);
3543 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3548 static void disable_MAC( struct airo_info *ai, int lock ) {
3552 if (lock && down_interruptible(&ai->sem))
3555 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3556 memset(&cmd, 0, sizeof(cmd));
3557 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3558 issuecommand(ai, &cmd, &rsp);
3559 clear_bit(FLAG_ENABLED, &ai->flags);
3565 static void enable_interrupts( struct airo_info *ai ) {
3566 /* Enable the interrupts */
3567 OUT4500( ai, EVINTEN, STATUS_INTS );
3570 static void disable_interrupts( struct airo_info *ai ) {
3571 OUT4500( ai, EVINTEN, 0 );
3574 static void mpi_receive_802_3(struct airo_info *ai)
3578 struct sk_buff *skb;
3583 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3584 /* Make sure we got something */
3585 if (rxd.rdy && rxd.valid == 0) {
3587 if (len < 12 || len > 2048)
3590 skb = dev_alloc_skb(len);
3592 ai->stats.rx_dropped++;
3595 buffer = skb_put(skb,len);
3596 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3597 if (ai->micstats.enabled) {
3599 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3601 if (ntohs(micbuf.typelen) <= 0x05DC) {
3602 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3605 off = sizeof(micbuf);
3606 skb_trim (skb, len - off);
3609 memcpy(buffer + ETH_ALEN * 2,
3610 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3611 len - ETH_ALEN * 2 - off);
3612 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3614 dev_kfree_skb_irq (skb);
3618 if (ai->spy_data.spy_number > 0) {
3620 struct iw_quality wstats;
3621 /* Prepare spy data : addr + qual */
3622 sa = buffer + ETH_ALEN;
3623 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3626 /* Update spy records */
3627 wireless_spy_update(ai->dev, sa, &wstats);
3629 #endif /* WIRELESS_SPY */
3632 skb->ip_summed = CHECKSUM_NONE;
3633 skb->protocol = eth_type_trans(skb, ai->dev);
3634 skb->dev->last_rx = jiffies;
3638 if (rxd.valid == 0) {
3642 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3646 void mpi_receive_802_11 (struct airo_info *ai)
3649 struct sk_buff *skb = NULL;
3650 u16 fc, len, hdrlen = 0;
3662 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3664 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3665 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3667 /* Bad CRC. Ignore packet */
3668 if (le16_to_cpu(hdr.status) & 2)
3670 if (ai->wifidev == NULL)
3672 len = le16_to_cpu(hdr.len);
3673 if (len > AIRO_DEF_MTU) {
3674 airo_print_err(ai->dev->name, "Bad size %d", len);
3680 memcpy ((char *)&fc, ptr, sizeof(fc));
3681 fc = le16_to_cpu(fc);
3684 if ((fc & 0xe0) == 0xc0)
3690 if ((fc&0x300)==0x300){
3698 skb = dev_alloc_skb( len + hdrlen + 2 );
3700 ai->stats.rx_dropped++;
3703 buffer = (u16*)skb_put (skb, len + hdrlen);
3704 memcpy ((char *)buffer, ptr, hdrlen);
3708 memcpy ((char *)&gap, ptr, sizeof(gap));
3710 gap = le16_to_cpu(gap);
3715 airo_print_err(ai->dev->name,
3716 "gaplen too big. Problems will follow...");
3718 memcpy ((char *)buffer + hdrlen, ptr, len);
3720 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3721 if (ai->spy_data.spy_number > 0) {
3723 struct iw_quality wstats;
3724 /* Prepare spy data : addr + qual */
3725 sa = (char*)buffer + 10;
3726 wstats.qual = hdr.rssi[0];
3728 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3730 wstats.level = (hdr.rssi[1] + 321) / 2;
3731 wstats.noise = ai->wstats.qual.noise;
3732 wstats.updated = IW_QUAL_QUAL_UPDATED
3733 | IW_QUAL_LEVEL_UPDATED
3735 /* Update spy records */
3736 wireless_spy_update(ai->dev, sa, &wstats);
3738 #endif /* IW_WIRELESS_SPY */
3739 skb->mac.raw = skb->data;
3740 skb->pkt_type = PACKET_OTHERHOST;
3741 skb->dev = ai->wifidev;
3742 skb->protocol = htons(ETH_P_802_2);
3743 skb->dev->last_rx = jiffies;
3744 skb->ip_summed = CHECKSUM_NONE;
3747 if (rxd.valid == 0) {
3751 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3755 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3766 memset( &mySsid, 0, sizeof( mySsid ) );
3770 /* The NOP is the first step in getting the card going */
3772 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3773 if (lock && down_interruptible(&ai->sem))
3775 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3780 disable_MAC( ai, 0);
3782 // Let's figure out if we need to use the AUX port
3783 if (!test_bit(FLAG_MPI,&ai->flags)) {
3784 cmd.cmd = CMD_ENABLEAUX;
3785 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3788 airo_print_err(ai->dev->name, "Error checking for AUX port");
3791 if (!aux_bap || rsp.status & 0xff00) {
3792 ai->bap_read = fast_bap_read;
3793 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3795 ai->bap_read = aux_bap_read;
3796 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3801 if (ai->config.len == 0) {
3802 tdsRssiRid rssi_rid;
3803 CapabilityRid cap_rid;
3809 // general configuration (read/modify/write)
3810 status = readConfigRid(ai, lock);
3811 if ( status != SUCCESS ) return ERROR;
3813 status = readCapabilityRid(ai, &cap_rid, lock);
3814 if ( status != SUCCESS ) return ERROR;
3816 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3817 if ( status == SUCCESS ) {
3818 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3819 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3824 if (cap_rid.softCap & 8)
3825 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3827 airo_print_warn(ai->dev->name, "unknown received signal "
3830 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3831 ai->config.authType = AUTH_OPEN;
3832 ai->config.modulation = MOD_CCK;
3834 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3835 (micsetup(ai) == SUCCESS)) {
3836 ai->config.opmode |= MODE_MIC;
3837 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3840 /* Save off the MAC */
3841 for( i = 0; i < ETH_ALEN; i++ ) {
3842 mac[i] = ai->config.macAddr[i];
3845 /* Check to see if there are any insmod configured
3849 memset(ai->config.rates,0,sizeof(ai->config.rates));
3850 for( i = 0; i < 8 && rates[i]; i++ ) {
3851 ai->config.rates[i] = rates[i];
3854 if ( basic_rate > 0 ) {
3856 for( i = 0; i < 8; i++ ) {
3857 if ( ai->config.rates[i] == basic_rate ||
3858 !ai->config.rates ) {
3859 ai->config.rates[i] = basic_rate | 0x80;
3864 set_bit (FLAG_COMMIT, &ai->flags);
3867 /* Setup the SSIDs if present */
3870 for( i = 0; i < 3 && ssids[i]; i++ ) {
3871 mySsid.ssids[i].len = strlen(ssids[i]);
3872 if ( mySsid.ssids[i].len > 32 )
3873 mySsid.ssids[i].len = 32;
3874 memcpy(mySsid.ssids[i].ssid, ssids[i],
3875 mySsid.ssids[i].len);
3877 mySsid.len = sizeof(mySsid);
3880 status = writeConfigRid(ai, lock);
3881 if ( status != SUCCESS ) return ERROR;
3883 /* Set up the SSID list */
3885 status = writeSsidRid(ai, &mySsid, lock);
3886 if ( status != SUCCESS ) return ERROR;
3889 status = enable_MAC(ai, &rsp, lock);
3890 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3891 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3892 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3896 /* Grab the initial wep key, we gotta save it for auto_wep */
3897 rc = readWepKeyRid(ai, &wkr, 1, lock);
3898 if (rc == SUCCESS) do {
3899 lastindex = wkr.kindex;
3900 if (wkr.kindex == 0xffff) {
3901 ai->defindex = wkr.mac[0];
3903 rc = readWepKeyRid(ai, &wkr, 0, lock);
3904 } while(lastindex != wkr.kindex);
3907 ai->expires = RUN_AT(3*HZ);
3908 wake_up_interruptible(&ai->thr_wait);
3914 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3915 // Im really paranoid about letting it run forever!
3916 int max_tries = 600000;
3918 if (IN4500(ai, EVSTAT) & EV_CMD)
3919 OUT4500(ai, EVACK, EV_CMD);
3921 OUT4500(ai, PARAM0, pCmd->parm0);
3922 OUT4500(ai, PARAM1, pCmd->parm1);
3923 OUT4500(ai, PARAM2, pCmd->parm2);
3924 OUT4500(ai, COMMAND, pCmd->cmd);
3926 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3927 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3928 // PC4500 didn't notice command, try again
3929 OUT4500(ai, COMMAND, pCmd->cmd);
3930 if (!in_atomic() && (max_tries & 255) == 0)
3934 if ( max_tries == -1 ) {
3935 airo_print_err(ai->dev->name,
3936 "Max tries exceeded when issueing command");
3937 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3938 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3942 // command completed
3943 pRsp->status = IN4500(ai, STATUS);
3944 pRsp->rsp0 = IN4500(ai, RESP0);
3945 pRsp->rsp1 = IN4500(ai, RESP1);
3946 pRsp->rsp2 = IN4500(ai, RESP2);
3947 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3948 airo_print_err(ai->dev->name,
3949 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3950 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3953 // clear stuck command busy if necessary
3954 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3955 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3957 // acknowledge processing the status/response
3958 OUT4500(ai, EVACK, EV_CMD);
3963 /* Sets up the bap to start exchange data. whichbap should
3964 * be one of the BAP0 or BAP1 defines. Locks should be held before
3966 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3971 OUT4500(ai, SELECT0+whichbap, rid);
3972 OUT4500(ai, OFFSET0+whichbap, offset);
3974 int status = IN4500(ai, OFFSET0+whichbap);
3975 if (status & BAP_BUSY) {
3976 /* This isn't really a timeout, but its kinda
3981 } else if ( status & BAP_ERR ) {
3982 /* invalid rid or offset */
3983 airo_print_err(ai->dev->name, "BAP error %x %d",
3986 } else if (status & BAP_DONE) { // success
3989 if ( !(max_tries--) ) {
3990 airo_print_err(ai->dev->name,
3991 "airo: BAP setup error too many retries\n");
3994 // -- PC4500 missed it, try again
3995 OUT4500(ai, SELECT0+whichbap, rid);
3996 OUT4500(ai, OFFSET0+whichbap, offset);
4001 /* should only be called by aux_bap_read. This aux function and the
4002 following use concepts not documented in the developers guide. I
4003 got them from a patch given to my by Aironet */
4004 static u16 aux_setup(struct airo_info *ai, u16 page,
4005 u16 offset, u16 *len)
4009 OUT4500(ai, AUXPAGE, page);
4010 OUT4500(ai, AUXOFF, 0);
4011 next = IN4500(ai, AUXDATA);
4012 *len = IN4500(ai, AUXDATA)&0xff;
4013 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4017 /* requires call to bap_setup() first */
4018 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4019 int bytelen, int whichbap)
4027 unsigned long flags;
4029 spin_lock_irqsave(&ai->aux_lock, flags);
4030 page = IN4500(ai, SWS0+whichbap);
4031 offset = IN4500(ai, SWS2+whichbap);
4032 next = aux_setup(ai, page, offset, &len);
4033 words = (bytelen+1)>>1;
4035 for (i=0; i<words;) {
4037 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4039 insw( ai->dev->base_addr+DATA0+whichbap,
4042 insb( ai->dev->base_addr+DATA0+whichbap,
4043 pu16Dst+i, count << 1 );
4046 next = aux_setup(ai, next, 4, &len);
4049 spin_unlock_irqrestore(&ai->aux_lock, flags);
4054 /* requires call to bap_setup() first */
4055 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4056 int bytelen, int whichbap)
4058 bytelen = (bytelen + 1) & (~1); // round up to even value
4060 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4062 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4066 /* requires call to bap_setup() first */
4067 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4068 int bytelen, int whichbap)
4070 bytelen = (bytelen + 1) & (~1); // round up to even value
4072 outsw( ai->dev->base_addr+DATA0+whichbap,
4073 pu16Src, bytelen>>1 );
4075 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4079 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4081 Cmd cmd; /* for issuing commands */
4082 Resp rsp; /* response from commands */
4085 memset(&cmd, 0, sizeof(cmd));
4088 status = issuecommand(ai, &cmd, &rsp);
4089 if (status != 0) return status;
4090 if ( (rsp.status & 0x7F00) != 0) {
4091 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4096 /* Note, that we are using BAP1 which is also used by transmit, so
4097 * we must get a lock. */
4098 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4104 if (down_interruptible(&ai->sem))
4107 if (test_bit(FLAG_MPI,&ai->flags)) {
4111 memset(&cmd, 0, sizeof(cmd));
4112 memset(&rsp, 0, sizeof(rsp));
4113 ai->config_desc.rid_desc.valid = 1;
4114 ai->config_desc.rid_desc.len = RIDSIZE;
4115 ai->config_desc.rid_desc.rid = 0;
4116 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4118 cmd.cmd = CMD_ACCESS;
4121 memcpy_toio(ai->config_desc.card_ram_off,
4122 &ai->config_desc.rid_desc, sizeof(Rid));
4124 rc = issuecommand(ai, &cmd, &rsp);
4126 if (rsp.status & 0x7f00)
4129 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4132 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4136 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4140 // read the rid length field
4141 bap_read(ai, pBuf, 2, BAP1);
4142 // length for remaining part of rid
4143 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4146 airo_print_err(ai->dev->name,
4147 "Rid %x has a length of %d which is too short",
4148 (int)rid, (int)len );
4152 // read remainder of the rid
4153 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4161 /* Note, that we are using BAP1 which is also used by transmit, so
4162 * make sure this isnt called when a transmit is happening */
4163 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4164 const void *pBuf, int len, int lock)
4169 *(u16*)pBuf = cpu_to_le16((u16)len);
4172 if (down_interruptible(&ai->sem))
4175 if (test_bit(FLAG_MPI,&ai->flags)) {
4179 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4180 airo_print_err(ai->dev->name,
4181 "%s: MAC should be disabled (rid=%04x)",
4183 memset(&cmd, 0, sizeof(cmd));
4184 memset(&rsp, 0, sizeof(rsp));
4186 ai->config_desc.rid_desc.valid = 1;
4187 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4188 ai->config_desc.rid_desc.rid = 0;
4190 cmd.cmd = CMD_WRITERID;
4193 memcpy_toio(ai->config_desc.card_ram_off,
4194 &ai->config_desc.rid_desc, sizeof(Rid));
4196 if (len < 4 || len > 2047) {
4197 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4200 memcpy((char *)ai->config_desc.virtual_host_addr,
4203 rc = issuecommand(ai, &cmd, &rsp);
4204 if ((rc & 0xff00) != 0) {
4205 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4207 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4208 __FUNCTION__, cmd.cmd);
4211 if ((rsp.status & 0x7f00))
4215 // --- first access so that we can write the rid data
4216 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4220 // --- now write the rid data
4221 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4225 bap_write(ai, pBuf, len, BAP1);
4226 // ---now commit the rid data
4227 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4235 /* Allocates a FID to be used for transmitting packets. We only use
4237 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4239 unsigned int loop = 3000;
4245 cmd.cmd = CMD_ALLOCATETX;
4246 cmd.parm0 = lenPayload;
4247 if (down_interruptible(&ai->sem))
4249 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4253 if ( (rsp.status & 0xFF00) != 0) {
4257 /* wait for the allocate event/indication
4258 * It makes me kind of nervous that this can just sit here and spin,
4259 * but in practice it only loops like four times. */
4260 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4266 // get the allocated fid and acknowledge
4267 txFid = IN4500(ai, TXALLOCFID);
4268 OUT4500(ai, EVACK, EV_ALLOC);
4270 /* The CARD is pretty cool since it converts the ethernet packet
4271 * into 802.11. Also note that we don't release the FID since we
4272 * will be using the same one over and over again. */
4273 /* We only have to setup the control once since we are not
4274 * releasing the fid. */
4276 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4277 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4279 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4280 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4281 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4284 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4292 /* In general BAP1 is dedicated to transmiting packets. However,
4293 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4294 Make sure the BAP1 spinlock is held when this is called. */
4295 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4306 if (len <= ETH_ALEN * 2) {
4307 airo_print_warn(ai->dev->name, "Short packet %d", len);
4310 len -= ETH_ALEN * 2;
4312 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4313 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4314 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4316 miclen = sizeof(pMic);
4318 // packet is destination[6], source[6], payload[len-12]
4319 // write the payload length and dst/src/payload
4320 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4321 /* The hardware addresses aren't counted as part of the payload, so
4322 * we have to subtract the 12 bytes for the addresses off */
4323 payloadLen = cpu_to_le16(len + miclen);
4324 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4325 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4327 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4328 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4329 // issue the transmit command
4330 memset( &cmd, 0, sizeof( cmd ) );
4331 cmd.cmd = CMD_TRANSMIT;
4333 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4334 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4338 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4353 fc = le16_to_cpu(*(const u16*)pPacket);
4356 if ((fc & 0xe0) == 0xc0)
4362 if ((fc&0x300)==0x300){
4371 airo_print_warn(ai->dev->name, "Short packet %d", len);
4375 /* packet is 802.11 header + payload
4376 * write the payload length and dst/src/payload */
4377 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4378 /* The 802.11 header aren't counted as part of the payload, so
4379 * we have to subtract the header bytes off */
4380 payloadLen = cpu_to_le16(len-hdrlen);
4381 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4382 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4383 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4384 bap_write(ai, hdrlen == 30 ?
4385 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4387 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4388 // issue the transmit command
4389 memset( &cmd, 0, sizeof( cmd ) );
4390 cmd.cmd = CMD_TRANSMIT;
4392 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4393 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4398 * This is the proc_fs routines. It is a bit messier than I would
4399 * like! Feel free to clean it up!
4402 static ssize_t proc_read( struct file *file,
4403 char __user *buffer,
4407 static ssize_t proc_write( struct file *file,
4408 const char __user *buffer,
4411 static int proc_close( struct inode *inode, struct file *file );
4413 static int proc_stats_open( struct inode *inode, struct file *file );
4414 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4415 static int proc_status_open( struct inode *inode, struct file *file );
4416 static int proc_SSID_open( struct inode *inode, struct file *file );
4417 static int proc_APList_open( struct inode *inode, struct file *file );
4418 static int proc_BSSList_open( struct inode *inode, struct file *file );
4419 static int proc_config_open( struct inode *inode, struct file *file );
4420 static int proc_wepkey_open( struct inode *inode, struct file *file );
4422 static struct file_operations proc_statsdelta_ops = {
4424 .open = proc_statsdelta_open,
4425 .release = proc_close
4428 static struct file_operations proc_stats_ops = {
4430 .open = proc_stats_open,
4431 .release = proc_close
4434 static struct file_operations proc_status_ops = {
4436 .open = proc_status_open,
4437 .release = proc_close
4440 static struct file_operations proc_SSID_ops = {
4442 .write = proc_write,
4443 .open = proc_SSID_open,
4444 .release = proc_close
4447 static struct file_operations proc_BSSList_ops = {
4449 .write = proc_write,
4450 .open = proc_BSSList_open,
4451 .release = proc_close
4454 static struct file_operations proc_APList_ops = {
4456 .write = proc_write,
4457 .open = proc_APList_open,
4458 .release = proc_close
4461 static struct file_operations proc_config_ops = {
4463 .write = proc_write,
4464 .open = proc_config_open,
4465 .release = proc_close
4468 static struct file_operations proc_wepkey_ops = {
4470 .write = proc_write,
4471 .open = proc_wepkey_open,
4472 .release = proc_close
4475 static struct proc_dir_entry *airo_entry;
4484 void (*on_close) (struct inode *, struct file *);
4488 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4491 static int setup_proc_entry( struct net_device *dev,
4492 struct airo_info *apriv ) {
4493 struct proc_dir_entry *entry;
4494 /* First setup the device directory */
4495 strcpy(apriv->proc_name,dev->name);
4496 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4499 apriv->proc_entry->uid = proc_uid;
4500 apriv->proc_entry->gid = proc_gid;
4501 apriv->proc_entry->owner = THIS_MODULE;
4503 /* Setup the StatsDelta */
4504 entry = create_proc_entry("StatsDelta",
4505 S_IFREG | (S_IRUGO&proc_perm),
4507 entry->uid = proc_uid;
4508 entry->gid = proc_gid;
4510 entry->owner = THIS_MODULE;
4511 SETPROC_OPS(entry, proc_statsdelta_ops);
4513 /* Setup the Stats */
4514 entry = create_proc_entry("Stats",
4515 S_IFREG | (S_IRUGO&proc_perm),
4517 entry->uid = proc_uid;
4518 entry->gid = proc_gid;
4520 entry->owner = THIS_MODULE;
4521 SETPROC_OPS(entry, proc_stats_ops);
4523 /* Setup the Status */
4524 entry = create_proc_entry("Status",
4525 S_IFREG | (S_IRUGO&proc_perm),
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4530 entry->owner = THIS_MODULE;
4531 SETPROC_OPS(entry, proc_status_ops);
4533 /* Setup the Config */
4534 entry = create_proc_entry("Config",
4535 S_IFREG | proc_perm,
4537 entry->uid = proc_uid;
4538 entry->gid = proc_gid;
4540 entry->owner = THIS_MODULE;
4541 SETPROC_OPS(entry, proc_config_ops);
4543 /* Setup the SSID */
4544 entry = create_proc_entry("SSID",
4545 S_IFREG | proc_perm,
4547 entry->uid = proc_uid;
4548 entry->gid = proc_gid;
4550 entry->owner = THIS_MODULE;
4551 SETPROC_OPS(entry, proc_SSID_ops);
4553 /* Setup the APList */
4554 entry = create_proc_entry("APList",
4555 S_IFREG | proc_perm,
4557 entry->uid = proc_uid;
4558 entry->gid = proc_gid;
4560 entry->owner = THIS_MODULE;
4561 SETPROC_OPS(entry, proc_APList_ops);
4563 /* Setup the BSSList */
4564 entry = create_proc_entry("BSSList",
4565 S_IFREG | proc_perm,
4567 entry->uid = proc_uid;
4568 entry->gid = proc_gid;
4570 entry->owner = THIS_MODULE;
4571 SETPROC_OPS(entry, proc_BSSList_ops);
4573 /* Setup the WepKey */
4574 entry = create_proc_entry("WepKey",
4575 S_IFREG | proc_perm,
4577 entry->uid = proc_uid;
4578 entry->gid = proc_gid;
4580 entry->owner = THIS_MODULE;
4581 SETPROC_OPS(entry, proc_wepkey_ops);
4586 static int takedown_proc_entry( struct net_device *dev,
4587 struct airo_info *apriv ) {
4588 if ( !apriv->proc_entry->namelen ) return 0;
4589 remove_proc_entry("Stats",apriv->proc_entry);
4590 remove_proc_entry("StatsDelta",apriv->proc_entry);
4591 remove_proc_entry("Status",apriv->proc_entry);
4592 remove_proc_entry("Config",apriv->proc_entry);
4593 remove_proc_entry("SSID",apriv->proc_entry);
4594 remove_proc_entry("APList",apriv->proc_entry);
4595 remove_proc_entry("BSSList",apriv->proc_entry);
4596 remove_proc_entry("WepKey",apriv->proc_entry);
4597 remove_proc_entry(apriv->proc_name,airo_entry);
4602 * What we want from the proc_fs is to be able to efficiently read
4603 * and write the configuration. To do this, we want to read the
4604 * configuration when the file is opened and write it when the file is
4605 * closed. So basically we allocate a read buffer at open and fill it
4606 * with data, and allocate a write buffer and read it at close.
4610 * The read routine is generic, it relies on the preallocated rbuffer
4611 * to supply the data.
4613 static ssize_t proc_read( struct file *file,
4614 char __user *buffer,
4618 loff_t pos = *offset;
4619 struct proc_data *priv = (struct proc_data*)file->private_data;
4626 if (pos >= priv->readlen)
4628 if (len > priv->readlen - pos)
4629 len = priv->readlen - pos;
4630 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4632 *offset = pos + len;
4637 * The write routine is generic, it fills in a preallocated rbuffer
4638 * to supply the data.
4640 static ssize_t proc_write( struct file *file,
4641 const char __user *buffer,
4645 loff_t pos = *offset;
4646 struct proc_data *priv = (struct proc_data*)file->private_data;
4653 if (pos >= priv->maxwritelen)
4655 if (len > priv->maxwritelen - pos)
4656 len = priv->maxwritelen - pos;
4657 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4659 if ( pos + len > priv->writelen )
4660 priv->writelen = len + file->f_pos;
4661 *offset = pos + len;
4665 static int proc_status_open( struct inode *inode, struct file *file ) {
4666 struct proc_data *data;
4667 struct proc_dir_entry *dp = PDE(inode);
4668 struct net_device *dev = dp->data;
4669 struct airo_info *apriv = dev->priv;
4670 CapabilityRid cap_rid;
4671 StatusRid status_rid;
4674 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4676 data = (struct proc_data *)file->private_data;
4677 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4678 kfree (file->private_data);
4682 readStatusRid(apriv, &status_rid, 1);
4683 readCapabilityRid(apriv, &cap_rid, 1);
4685 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4686 status_rid.mode & 1 ? "CFG ": "",
4687 status_rid.mode & 2 ? "ACT ": "",
4688 status_rid.mode & 0x10 ? "SYN ": "",
4689 status_rid.mode & 0x20 ? "LNK ": "",
4690 status_rid.mode & 0x40 ? "LEAP ": "",
4691 status_rid.mode & 0x80 ? "PRIV ": "",
4692 status_rid.mode & 0x100 ? "KEY ": "",
4693 status_rid.mode & 0x200 ? "WEP ": "",
4694 status_rid.mode & 0x8000 ? "ERR ": "");
4695 sprintf( data->rbuffer+i, "Mode: %x\n"
4696 "Signal Strength: %d\n"
4697 "Signal Quality: %d\n"
4702 "Driver Version: %s\n"
4703 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4704 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4705 "Software Version: %x\nSoftware Subversion: %x\n"
4706 "Boot block version: %x\n",
4707 (int)status_rid.mode,
4708 (int)status_rid.normalizedSignalStrength,
4709 (int)status_rid.signalQuality,
4710 (int)status_rid.SSIDlen,
4713 (int)status_rid.channel,
4714 (int)status_rid.currentXmitRate/2,
4722 (int)cap_rid.softVer,
4723 (int)cap_rid.softSubVer,
4724 (int)cap_rid.bootBlockVer );
4725 data->readlen = strlen( data->rbuffer );
4729 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4730 static int proc_statsdelta_open( struct inode *inode,
4731 struct file *file ) {
4732 if (file->f_mode&FMODE_WRITE) {
4733 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4735 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4738 static int proc_stats_open( struct inode *inode, struct file *file ) {
4739 return proc_stats_rid_open(inode, file, RID_STATS);
4742 static int proc_stats_rid_open( struct inode *inode,
4745 struct proc_data *data;
4746 struct proc_dir_entry *dp = PDE(inode);
4747 struct net_device *dev = dp->data;
4748 struct airo_info *apriv = dev->priv;
4751 u32 *vals = stats.vals;
4753 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4755 data = (struct proc_data *)file->private_data;
4756 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4757 kfree (file->private_data);
4761 readStatsRid(apriv, &stats, rid, 1);
4764 for(i=0; statsLabels[i]!=(char *)-1 &&
4765 i*4<stats.len; i++){
4766 if (!statsLabels[i]) continue;
4767 if (j+strlen(statsLabels[i])+16>4096) {
4768 airo_print_warn(apriv->dev->name,
4769 "Potentially disasterous buffer overflow averted!");
4772 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4774 if (i*4>=stats.len){
4775 airo_print_warn(apriv->dev->name, "Got a short rid");
4781 static int get_dec_u16( char *buffer, int *start, int limit ) {
4784 for( value = 0; buffer[*start] >= '0' &&
4785 buffer[*start] <= '9' &&
4786 *start < limit; (*start)++ ) {
4789 value += buffer[*start] - '0';
4791 if ( !valid ) return -1;
4795 static int airo_config_commit(struct net_device *dev,
4796 struct iw_request_info *info, void *zwrq,
4799 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4800 struct proc_data *data = file->private_data;
4801 struct proc_dir_entry *dp = PDE(inode);
4802 struct net_device *dev = dp->data;
4803 struct airo_info *ai = dev->priv;
4806 if ( !data->writelen ) return;
4808 readConfigRid(ai, 1);
4809 set_bit (FLAG_COMMIT, &ai->flags);
4811 line = data->wbuffer;
4813 /*** Mode processing */
4814 if ( !strncmp( line, "Mode: ", 6 ) ) {
4816 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4817 set_bit (FLAG_RESET, &ai->flags);
4818 ai->config.rmode &= 0xfe00;
4819 clear_bit (FLAG_802_11, &ai->flags);
4820 ai->config.opmode &= 0xFF00;
4821 ai->config.scanMode = SCANMODE_ACTIVE;
4822 if ( line[0] == 'a' ) {
4823 ai->config.opmode |= 0;
4825 ai->config.opmode |= 1;
4826 if ( line[0] == 'r' ) {
4827 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4828 ai->config.scanMode = SCANMODE_PASSIVE;
4829 set_bit (FLAG_802_11, &ai->flags);
4830 } else if ( line[0] == 'y' ) {
4831 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4832 ai->config.scanMode = SCANMODE_PASSIVE;
4833 set_bit (FLAG_802_11, &ai->flags);
4834 } else if ( line[0] == 'l' )
4835 ai->config.rmode |= RXMODE_LANMON;
4837 set_bit (FLAG_COMMIT, &ai->flags);
4840 /*** Radio status */
4841 else if (!strncmp(line,"Radio: ", 7)) {
4843 if (!strncmp(line,"off",3)) {
4844 set_bit (FLAG_RADIO_OFF, &ai->flags);
4846 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4849 /*** NodeName processing */
4850 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4854 memset( ai->config.nodeName, 0, 16 );
4855 /* Do the name, assume a space between the mode and node name */
4856 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4857 ai->config.nodeName[j] = line[j];
4859 set_bit (FLAG_COMMIT, &ai->flags);
4862 /*** PowerMode processing */
4863 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4865 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4866 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4867 set_bit (FLAG_COMMIT, &ai->flags);
4868 } else if ( !strncmp( line, "PSP", 3 ) ) {
4869 ai->config.powerSaveMode = POWERSAVE_PSP;
4870 set_bit (FLAG_COMMIT, &ai->flags);
4872 ai->config.powerSaveMode = POWERSAVE_CAM;
4873 set_bit (FLAG_COMMIT, &ai->flags);
4875 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4876 int v, i = 0, k = 0; /* i is index into line,
4877 k is index to rates */
4880 while((v = get_dec_u16(line, &i, 3))!=-1) {
4881 ai->config.rates[k++] = (u8)v;
4885 set_bit (FLAG_COMMIT, &ai->flags);
4886 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4889 v = get_dec_u16(line, &i, i+3);
4891 ai->config.channelSet = (u16)v;
4892 set_bit (FLAG_COMMIT, &ai->flags);
4894 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4897 v = get_dec_u16(line, &i, i+3);
4899 ai->config.txPower = (u16)v;
4900 set_bit (FLAG_COMMIT, &ai->flags);
4902 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4906 ai->config.authType = (u16)AUTH_SHAREDKEY;
4909 ai->config.authType = (u16)AUTH_ENCRYPT;
4912 ai->config.authType = (u16)AUTH_OPEN;
4915 set_bit (FLAG_COMMIT, &ai->flags);
4916 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4920 v = get_dec_u16(line, &i, 3);
4921 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4922 ai->config.longRetryLimit = (u16)v;
4923 set_bit (FLAG_COMMIT, &ai->flags);
4924 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4928 v = get_dec_u16(line, &i, 3);
4929 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4930 ai->config.shortRetryLimit = (u16)v;
4931 set_bit (FLAG_COMMIT, &ai->flags);
4932 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4936 v = get_dec_u16(line, &i, 4);
4937 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4938 ai->config.rtsThres = (u16)v;
4939 set_bit (FLAG_COMMIT, &ai->flags);
4940 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4944 v = get_dec_u16(line, &i, 5);
4946 ai->config.txLifetime = (u16)v;
4947 set_bit (FLAG_COMMIT, &ai->flags);
4948 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4952 v = get_dec_u16(line, &i, 5);
4954 ai->config.rxLifetime = (u16)v;
4955 set_bit (FLAG_COMMIT, &ai->flags);
4956 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4957 ai->config.txDiversity =
4958 (line[13]=='l') ? 1 :
4959 ((line[13]=='r')? 2: 3);
4960 set_bit (FLAG_COMMIT, &ai->flags);
4961 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4962 ai->config.rxDiversity =
4963 (line[13]=='l') ? 1 :
4964 ((line[13]=='r')? 2: 3);
4965 set_bit (FLAG_COMMIT, &ai->flags);
4966 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4970 v = get_dec_u16(line, &i, 4);
4971 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4972 v = v & 0xfffe; /* Make sure its even */
4973 ai->config.fragThresh = (u16)v;
4974 set_bit (FLAG_COMMIT, &ai->flags);
4975 } else if (!strncmp(line, "Modulation: ", 12)) {
4978 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4979 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4980 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4981 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4983 } else if (!strncmp(line, "Preamble: ", 10)) {
4986 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4987 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4989 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4992 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4994 while( line[0] && line[0] != '\n' ) line++;
4995 if ( line[0] ) line++;
4997 airo_config_commit(dev, NULL, NULL, NULL);
5000 static char *get_rmode(u16 mode) {
5002 case RXMODE_RFMON: return "rfmon";
5003 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5004 case RXMODE_LANMON: return "lanmon";
5009 static int proc_config_open( struct inode *inode, struct file *file ) {
5010 struct proc_data *data;
5011 struct proc_dir_entry *dp = PDE(inode);
5012 struct net_device *dev = dp->data;
5013 struct airo_info *ai = dev->priv;
5016 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5018 data = (struct proc_data *)file->private_data;
5019 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5020 kfree (file->private_data);
5023 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5024 kfree (data->rbuffer);
5025 kfree (file->private_data);
5028 data->maxwritelen = 2048;
5029 data->on_close = proc_config_on_close;
5031 readConfigRid(ai, 1);
5033 i = sprintf( data->rbuffer,
5038 "DataRates: %d %d %d %d %d %d %d %d\n"
5041 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5042 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5043 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5044 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5045 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5046 ai->config.nodeName,
5047 ai->config.powerSaveMode == 0 ? "CAM" :
5048 ai->config.powerSaveMode == 1 ? "PSP" :
5049 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5050 (int)ai->config.rates[0],
5051 (int)ai->config.rates[1],
5052 (int)ai->config.rates[2],
5053 (int)ai->config.rates[3],
5054 (int)ai->config.rates[4],
5055 (int)ai->config.rates[5],
5056 (int)ai->config.rates[6],
5057 (int)ai->config.rates[7],
5058 (int)ai->config.channelSet,
5059 (int)ai->config.txPower
5061 sprintf( data->rbuffer + i,
5062 "LongRetryLimit: %d\n"
5063 "ShortRetryLimit: %d\n"
5064 "RTSThreshold: %d\n"
5065 "TXMSDULifetime: %d\n"
5066 "RXMSDULifetime: %d\n"
5069 "FragThreshold: %d\n"
5073 (int)ai->config.longRetryLimit,
5074 (int)ai->config.shortRetryLimit,
5075 (int)ai->config.rtsThres,
5076 (int)ai->config.txLifetime,
5077 (int)ai->config.rxLifetime,
5078 ai->config.txDiversity == 1 ? "left" :
5079 ai->config.txDiversity == 2 ? "right" : "both",
5080 ai->config.rxDiversity == 1 ? "left" :
5081 ai->config.rxDiversity == 2 ? "right" : "both",
5082 (int)ai->config.fragThresh,
5083 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5084 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5085 ai->config.modulation == 0 ? "default" :
5086 ai->config.modulation == MOD_CCK ? "cck" :
5087 ai->config.modulation == MOD_MOK ? "mok" : "error",
5088 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5089 ai->config.preamble == PREAMBLE_LONG ? "long" :
5090 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5092 data->readlen = strlen( data->rbuffer );
5096 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5097 struct proc_data *data = (struct proc_data *)file->private_data;
5098 struct proc_dir_entry *dp = PDE(inode);
5099 struct net_device *dev = dp->data;
5100 struct airo_info *ai = dev->priv;
5106 if ( !data->writelen ) return;
5108 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5110 for( i = 0; i < 3; i++ ) {
5112 for( j = 0; j+offset < data->writelen && j < 32 &&
5113 data->wbuffer[offset+j] != '\n'; j++ ) {
5114 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5116 if ( j == 0 ) break;
5117 SSID_rid.ssids[i].len = j;
5119 while( data->wbuffer[offset] != '\n' &&
5120 offset < data->writelen ) offset++;
5124 SSID_rid.len = sizeof(SSID_rid);
5126 writeSsidRid(ai, &SSID_rid, 1);
5127 enable_MAC(ai, &rsp, 1);
5130 static inline u8 hexVal(char c) {
5131 if (c>='0' && c<='9') return c -= '0';
5132 if (c>='a' && c<='f') return c -= 'a'-10;
5133 if (c>='A' && c<='F') return c -= 'A'-10;
5137 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5138 struct proc_data *data = (struct proc_data *)file->private_data;
5139 struct proc_dir_entry *dp = PDE(inode);
5140 struct net_device *dev = dp->data;
5141 struct airo_info *ai = dev->priv;
5142 APListRid APList_rid;
5146 if ( !data->writelen ) return;
5148 memset( &APList_rid, 0, sizeof(APList_rid) );
5149 APList_rid.len = sizeof(APList_rid);
5151 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5153 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5156 APList_rid.ap[i][j/3]=
5157 hexVal(data->wbuffer[j+i*6*3])<<4;
5160 APList_rid.ap[i][j/3]|=
5161 hexVal(data->wbuffer[j+i*6*3]);
5167 writeAPListRid(ai, &APList_rid, 1);
5168 enable_MAC(ai, &rsp, 1);
5171 /* This function wraps PC4500_writerid with a MAC disable */
5172 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5173 int len, int dummy ) {
5178 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5179 enable_MAC(ai, &rsp, 1);
5183 /* Returns the length of the key at the index. If index == 0xffff
5184 * the index of the transmit key is returned. If the key doesn't exist,
5185 * -1 will be returned.
5187 static int get_wep_key(struct airo_info *ai, u16 index) {
5192 rc = readWepKeyRid(ai, &wkr, 1, 1);
5193 if (rc == SUCCESS) do {
5194 lastindex = wkr.kindex;
5195 if (wkr.kindex == index) {
5196 if (index == 0xffff) {
5201 readWepKeyRid(ai, &wkr, 0, 1);
5202 } while(lastindex != wkr.kindex);
5206 static int set_wep_key(struct airo_info *ai, u16 index,
5207 const char *key, u16 keylen, int perm, int lock ) {
5208 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5212 memset(&wkr, 0, sizeof(wkr));
5214 // We are selecting which key to use
5215 wkr.len = sizeof(wkr);
5216 wkr.kindex = 0xffff;
5217 wkr.mac[0] = (char)index;
5218 if (perm) ai->defindex = (char)index;
5220 // We are actually setting the key
5221 wkr.len = sizeof(wkr);
5224 memcpy( wkr.key, key, keylen );
5225 memcpy( wkr.mac, macaddr, ETH_ALEN );
5228 if (perm) disable_MAC(ai, lock);
5229 writeWepKeyRid(ai, &wkr, perm, lock);
5230 if (perm) enable_MAC(ai, &rsp, lock);
5234 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5235 struct proc_data *data;
5236 struct proc_dir_entry *dp = PDE(inode);
5237 struct net_device *dev = dp->data;
5238 struct airo_info *ai = dev->priv;
5244 memset(key, 0, sizeof(key));
5246 data = (struct proc_data *)file->private_data;
5247 if ( !data->writelen ) return;
5249 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5250 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5251 index = data->wbuffer[0] - '0';
5252 if (data->wbuffer[1] == '\n') {
5253 set_wep_key(ai, index, NULL, 0, 1, 1);
5258 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5262 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5265 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5268 key[i/3] |= hexVal(data->wbuffer[i+j]);
5272 set_wep_key(ai, index, key, i/3, 1, 1);
5275 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5276 struct proc_data *data;
5277 struct proc_dir_entry *dp = PDE(inode);
5278 struct net_device *dev = dp->data;
5279 struct airo_info *ai = dev->priv;
5286 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5288 memset(&wkr, 0, sizeof(wkr));
5289 data = (struct proc_data *)file->private_data;
5290 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5291 kfree (file->private_data);
5295 data->maxwritelen = 80;
5296 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5297 kfree (data->rbuffer);
5298 kfree (file->private_data);
5301 data->on_close = proc_wepkey_on_close;
5303 ptr = data->rbuffer;
5304 strcpy(ptr, "No wep keys\n");
5305 rc = readWepKeyRid(ai, &wkr, 1, 1);
5306 if (rc == SUCCESS) do {
5307 lastindex = wkr.kindex;
5308 if (wkr.kindex == 0xffff) {
5309 j += sprintf(ptr+j, "Tx key = %d\n",
5312 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5313 (int)wkr.kindex, (int)wkr.klen);
5315 readWepKeyRid(ai, &wkr, 0, 1);
5316 } while((lastindex != wkr.kindex) && (j < 180-30));
5318 data->readlen = strlen( data->rbuffer );
5322 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5323 struct proc_data *data;
5324 struct proc_dir_entry *dp = PDE(inode);
5325 struct net_device *dev = dp->data;
5326 struct airo_info *ai = dev->priv;
5331 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5333 data = (struct proc_data *)file->private_data;
5334 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5335 kfree (file->private_data);
5339 data->maxwritelen = 33*3;
5340 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5341 kfree (data->rbuffer);
5342 kfree (file->private_data);
5345 data->on_close = proc_SSID_on_close;
5347 readSsidRid(ai, &SSID_rid);
5348 ptr = data->rbuffer;
5349 for( i = 0; i < 3; i++ ) {
5351 if ( !SSID_rid.ssids[i].len ) break;
5352 for( j = 0; j < 32 &&
5353 j < SSID_rid.ssids[i].len &&
5354 SSID_rid.ssids[i].ssid[j]; j++ ) {
5355 *ptr++ = SSID_rid.ssids[i].ssid[j];
5360 data->readlen = strlen( data->rbuffer );
5364 static int proc_APList_open( struct inode *inode, struct file *file ) {
5365 struct proc_data *data;
5366 struct proc_dir_entry *dp = PDE(inode);
5367 struct net_device *dev = dp->data;
5368 struct airo_info *ai = dev->priv;
5371 APListRid APList_rid;
5373 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5375 data = (struct proc_data *)file->private_data;
5376 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5377 kfree (file->private_data);
5381 data->maxwritelen = 4*6*3;
5382 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5383 kfree (data->rbuffer);
5384 kfree (file->private_data);
5387 data->on_close = proc_APList_on_close;
5389 readAPListRid(ai, &APList_rid);
5390 ptr = data->rbuffer;
5391 for( i = 0; i < 4; i++ ) {
5392 // We end when we find a zero MAC
5393 if ( !*(int*)APList_rid.ap[i] &&
5394 !*(int*)&APList_rid.ap[i][2]) break;
5395 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5396 (int)APList_rid.ap[i][0],
5397 (int)APList_rid.ap[i][1],
5398 (int)APList_rid.ap[i][2],
5399 (int)APList_rid.ap[i][3],
5400 (int)APList_rid.ap[i][4],
5401 (int)APList_rid.ap[i][5]);
5403 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5406 data->readlen = strlen( data->rbuffer );
5410 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5411 struct proc_data *data;
5412 struct proc_dir_entry *dp = PDE(inode);
5413 struct net_device *dev = dp->data;
5414 struct airo_info *ai = dev->priv;
5416 BSSListRid BSSList_rid;
5418 /* If doLoseSync is not 1, we won't do a Lose Sync */
5419 int doLoseSync = -1;
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( 1024, GFP_KERNEL )) == NULL) {
5425 kfree (file->private_data);
5429 data->maxwritelen = 0;
5430 data->wbuffer = NULL;
5431 data->on_close = NULL;
5433 if (file->f_mode & FMODE_WRITE) {
5434 if (!(file->f_mode & FMODE_READ)) {
5438 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5439 memset(&cmd, 0, sizeof(cmd));
5440 cmd.cmd=CMD_LISTBSS;
5441 if (down_interruptible(&ai->sem))
5442 return -ERESTARTSYS;
5443 issuecommand(ai, &cmd, &rsp);
5450 ptr = data->rbuffer;
5451 /* There is a race condition here if there are concurrent opens.
5452 Since it is a rare condition, we'll just live with it, otherwise
5453 we have to add a spin lock... */
5454 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5455 while(rc == 0 && BSSList_rid.index != 0xffff) {
5456 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5457 (int)BSSList_rid.bssid[0],
5458 (int)BSSList_rid.bssid[1],
5459 (int)BSSList_rid.bssid[2],
5460 (int)BSSList_rid.bssid[3],
5461 (int)BSSList_rid.bssid[4],
5462 (int)BSSList_rid.bssid[5],
5463 (int)BSSList_rid.ssidLen,
5465 (int)BSSList_rid.dBm);
5466 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5467 (int)BSSList_rid.dsChannel,
5468 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5469 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5470 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5471 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5472 rc = readBSSListRid(ai, 0, &BSSList_rid);
5475 data->readlen = strlen( data->rbuffer );
5479 static int proc_close( struct inode *inode, struct file *file )
5481 struct proc_data *data = file->private_data;
5483 if (data->on_close != NULL)
5484 data->on_close(inode, file);
5485 kfree(data->rbuffer);
5486 kfree(data->wbuffer);
5491 static struct net_device_list {
5492 struct net_device *dev;
5493 struct net_device_list *next;
5496 /* Since the card doesn't automatically switch to the right WEP mode,
5497 we will make it do it. If the card isn't associated, every secs we
5498 will switch WEP modes to see if that will help. If the card is
5499 associated we will check every minute to see if anything has
5501 static void timer_func( struct net_device *dev ) {
5502 struct airo_info *apriv = dev->priv;
5505 /* We don't have a link so try changing the authtype */
5506 readConfigRid(apriv, 0);
5507 disable_MAC(apriv, 0);
5508 switch(apriv->config.authType) {
5510 /* So drop to OPEN */
5511 apriv->config.authType = AUTH_OPEN;
5513 case AUTH_SHAREDKEY:
5514 if (apriv->keyindex < auto_wep) {
5515 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5516 apriv->config.authType = AUTH_SHAREDKEY;
5519 /* Drop to ENCRYPT */
5520 apriv->keyindex = 0;
5521 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5522 apriv->config.authType = AUTH_ENCRYPT;
5525 default: /* We'll escalate to SHAREDKEY */
5526 apriv->config.authType = AUTH_SHAREDKEY;
5528 set_bit (FLAG_COMMIT, &apriv->flags);
5529 writeConfigRid(apriv, 0);
5530 enable_MAC(apriv, &rsp, 0);
5533 /* Schedule check to see if the change worked */
5534 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5535 apriv->expires = RUN_AT(HZ*3);
5538 static int add_airo_dev( struct net_device *dev ) {
5539 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5544 node->next = airo_devices;
5545 airo_devices = node;
5550 static void del_airo_dev( struct net_device *dev ) {
5551 struct net_device_list **p = &airo_devices;
5552 while( *p && ( (*p)->dev != dev ) )
5554 if ( *p && (*p)->dev == dev )
5559 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5560 const struct pci_device_id *pent)
5562 struct net_device *dev;
5564 if (pci_enable_device(pdev))
5566 pci_set_master(pdev);
5568 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5569 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5571 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5575 pci_set_drvdata(pdev, dev);
5579 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5583 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5585 struct net_device *dev = pci_get_drvdata(pdev);
5586 struct airo_info *ai = dev->priv;
5590 if ((ai->APList == NULL) &&
5591 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5593 if ((ai->SSID == NULL) &&
5594 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5596 readAPListRid(ai, ai->APList);
5597 readSsidRid(ai, ai->SSID);
5598 memset(&cmd, 0, sizeof(cmd));
5599 /* the lock will be released at the end of the resume callback */
5600 if (down_interruptible(&ai->sem))
5603 netif_device_detach(dev);
5606 issuecommand(ai, &cmd, &rsp);
5608 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5609 pci_save_state(pdev);
5610 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5613 static int airo_pci_resume(struct pci_dev *pdev)
5615 struct net_device *dev = pci_get_drvdata(pdev);
5616 struct airo_info *ai = dev->priv;
5618 pci_power_t prev_state = pdev->current_state;
5620 pci_set_power_state(pdev, PCI_D0);
5621 pci_restore_state(pdev);
5622 pci_enable_wake(pdev, PCI_D0, 0);
5624 if (prev_state != PCI_D1) {
5626 mpi_init_descriptors(ai);
5627 setup_card(ai, dev->dev_addr, 0);
5628 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5629 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5631 OUT4500(ai, EVACK, EV_AWAKEN);
5632 OUT4500(ai, EVACK, EV_AWAKEN);
5636 set_bit (FLAG_COMMIT, &ai->flags);
5640 writeSsidRid(ai, ai->SSID, 0);
5645 writeAPListRid(ai, ai->APList, 0);
5649 writeConfigRid(ai, 0);
5650 enable_MAC(ai, &rsp, 0);
5651 ai->power = PMSG_ON;
5652 netif_device_attach(dev);
5653 netif_wake_queue(dev);
5654 enable_interrupts(ai);
5660 static int __init airo_init_module( void )
5662 int i, have_isa_dev = 0;
5664 airo_entry = create_proc_entry("aironet",
5665 S_IFDIR | airo_perm,
5667 airo_entry->uid = proc_uid;
5668 airo_entry->gid = proc_gid;
5670 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5671 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5672 "io=0x%x", irq[i], io[i] );
5673 if (init_airo_card( irq[i], io[i], 0, NULL ))
5678 airo_print_info("", "Probing for PCI adapters");
5679 pci_register_driver(&airo_driver);
5680 airo_print_info("", "Finished probing for PCI adapters");
5683 /* Always exit with success, as we are a library module
5684 * as well as a driver module
5689 static void __exit airo_cleanup_module( void )
5691 while( airo_devices ) {
5692 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5693 stop_airo_card( airo_devices->dev, 1 );
5696 pci_unregister_driver(&airo_driver);
5698 remove_proc_entry("aironet", proc_root_driver);
5702 * Initial Wireless Extension code for Aironet driver by :
5703 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5704 * Conversion to new driver API by :
5705 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5706 * Javier also did a good amount of work here, adding some new extensions
5707 * and fixing my code. Let's just say that without him this code just
5708 * would not work at all... - Jean II
5711 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5716 return (0x100 - rssi_rid[rssi].rssidBm);
5719 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5726 for( i = 0; i < 256; i++ )
5727 if (rssi_rid[i].rssidBm == dbm)
5728 return rssi_rid[i].rssipct;
5734 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5738 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5739 if (memcmp(cap_rid->prodName, "350", 3))
5740 if (status_rid->signalQuality > 0x20)
5743 quality = 0x20 - status_rid->signalQuality;
5745 if (status_rid->signalQuality > 0xb0)
5747 else if (status_rid->signalQuality < 0x10)
5750 quality = 0xb0 - status_rid->signalQuality;
5755 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5756 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5758 /*------------------------------------------------------------------*/
5760 * Wireless Handler : get protocol name
5762 static int airo_get_name(struct net_device *dev,
5763 struct iw_request_info *info,
5767 strcpy(cwrq, "IEEE 802.11-DS");
5771 /*------------------------------------------------------------------*/
5773 * Wireless Handler : set frequency
5775 static int airo_set_freq(struct net_device *dev,
5776 struct iw_request_info *info,
5777 struct iw_freq *fwrq,
5780 struct airo_info *local = dev->priv;
5781 int rc = -EINPROGRESS; /* Call commit handler */
5783 /* If setting by frequency, convert to a channel */
5784 if((fwrq->e == 1) &&
5785 (fwrq->m >= (int) 2.412e8) &&
5786 (fwrq->m <= (int) 2.487e8)) {
5787 int f = fwrq->m / 100000;
5789 while((c < 14) && (f != frequency_list[c]))
5791 /* Hack to fall through... */
5795 /* Setting by channel number */
5796 if((fwrq->m > 1000) || (fwrq->e > 0))
5799 int channel = fwrq->m;
5800 /* We should do a better check than that,
5801 * based on the card capability !!! */
5802 if((channel < 1) || (channel > 14)) {
5803 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5807 readConfigRid(local, 1);
5808 /* Yes ! We can set it !!! */
5809 local->config.channelSet = (u16) channel;
5810 set_bit (FLAG_COMMIT, &local->flags);
5816 /*------------------------------------------------------------------*/
5818 * Wireless Handler : get frequency
5820 static int airo_get_freq(struct net_device *dev,
5821 struct iw_request_info *info,
5822 struct iw_freq *fwrq,
5825 struct airo_info *local = dev->priv;
5826 StatusRid status_rid; /* Card status info */
5829 readConfigRid(local, 1);
5830 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5831 status_rid.channel = local->config.channelSet;
5833 readStatusRid(local, &status_rid, 1);
5835 ch = (int)status_rid.channel;
5836 if((ch > 0) && (ch < 15)) {
5837 fwrq->m = frequency_list[ch - 1] * 100000;
5847 /*------------------------------------------------------------------*/
5849 * Wireless Handler : set ESSID
5851 static int airo_set_essid(struct net_device *dev,
5852 struct iw_request_info *info,
5853 struct iw_point *dwrq,
5856 struct airo_info *local = dev->priv;
5858 SsidRid SSID_rid; /* SSIDs */
5860 /* Reload the list of current SSID */
5861 readSsidRid(local, &SSID_rid);
5863 /* Check if we asked for `any' */
5864 if(dwrq->flags == 0) {
5865 /* Just send an empty SSID list */
5866 memset(&SSID_rid, 0, sizeof(SSID_rid));
5868 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5870 /* Check the size of the string */
5871 if(dwrq->length > IW_ESSID_MAX_SIZE+1) {
5874 /* Check if index is valid */
5875 if((index < 0) || (index >= 4)) {
5880 memset(SSID_rid.ssids[index].ssid, 0,
5881 sizeof(SSID_rid.ssids[index].ssid));
5882 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5883 SSID_rid.ssids[index].len = dwrq->length - 1;
5885 SSID_rid.len = sizeof(SSID_rid);
5886 /* Write it to the card */
5887 disable_MAC(local, 1);
5888 writeSsidRid(local, &SSID_rid, 1);
5889 enable_MAC(local, &rsp, 1);
5894 /*------------------------------------------------------------------*/
5896 * Wireless Handler : get ESSID
5898 static int airo_get_essid(struct net_device *dev,
5899 struct iw_request_info *info,
5900 struct iw_point *dwrq,
5903 struct airo_info *local = dev->priv;
5904 StatusRid status_rid; /* Card status info */
5906 readStatusRid(local, &status_rid, 1);
5908 /* Note : if dwrq->flags != 0, we should
5909 * get the relevant SSID from the SSID list... */
5911 /* Get the current SSID */
5912 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5913 extra[status_rid.SSIDlen] = '\0';
5914 /* If none, we may want to get the one that was set */
5917 dwrq->length = status_rid.SSIDlen;
5918 dwrq->flags = 1; /* active */
5923 /*------------------------------------------------------------------*/
5925 * Wireless Handler : set AP address
5927 static int airo_set_wap(struct net_device *dev,
5928 struct iw_request_info *info,
5929 struct sockaddr *awrq,
5932 struct airo_info *local = dev->priv;
5935 APListRid APList_rid;
5936 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5937 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5939 if (awrq->sa_family != ARPHRD_ETHER)
5941 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5942 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5943 memset(&cmd, 0, sizeof(cmd));
5944 cmd.cmd=CMD_LOSE_SYNC;
5945 if (down_interruptible(&local->sem))
5946 return -ERESTARTSYS;
5947 issuecommand(local, &cmd, &rsp);
5950 memset(&APList_rid, 0, sizeof(APList_rid));
5951 APList_rid.len = sizeof(APList_rid);
5952 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5953 disable_MAC(local, 1);
5954 writeAPListRid(local, &APList_rid, 1);
5955 enable_MAC(local, &rsp, 1);
5960 /*------------------------------------------------------------------*/
5962 * Wireless Handler : get AP address
5964 static int airo_get_wap(struct net_device *dev,
5965 struct iw_request_info *info,
5966 struct sockaddr *awrq,
5969 struct airo_info *local = dev->priv;
5970 StatusRid status_rid; /* Card status info */
5972 readStatusRid(local, &status_rid, 1);
5974 /* Tentative. This seems to work, wow, I'm lucky !!! */
5975 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5976 awrq->sa_family = ARPHRD_ETHER;
5981 /*------------------------------------------------------------------*/
5983 * Wireless Handler : set Nickname
5985 static int airo_set_nick(struct net_device *dev,
5986 struct iw_request_info *info,
5987 struct iw_point *dwrq,
5990 struct airo_info *local = dev->priv;
5992 /* Check the size of the string */
5993 if(dwrq->length > 16 + 1) {
5996 readConfigRid(local, 1);
5997 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
5998 memcpy(local->config.nodeName, extra, dwrq->length);
5999 set_bit (FLAG_COMMIT, &local->flags);
6001 return -EINPROGRESS; /* Call commit handler */
6004 /*------------------------------------------------------------------*/
6006 * Wireless Handler : get Nickname
6008 static int airo_get_nick(struct net_device *dev,
6009 struct iw_request_info *info,
6010 struct iw_point *dwrq,
6013 struct airo_info *local = dev->priv;
6015 readConfigRid(local, 1);
6016 strncpy(extra, local->config.nodeName, 16);
6018 dwrq->length = strlen(extra) + 1;
6023 /*------------------------------------------------------------------*/
6025 * Wireless Handler : set Bit-Rate
6027 static int airo_set_rate(struct net_device *dev,
6028 struct iw_request_info *info,
6029 struct iw_param *vwrq,
6032 struct airo_info *local = dev->priv;
6033 CapabilityRid cap_rid; /* Card capability info */
6037 /* First : get a valid bit rate value */
6038 readCapabilityRid(local, &cap_rid, 1);
6040 /* Which type of value ? */
6041 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6042 /* Setting by rate index */
6043 /* Find value in the magic rate table */
6044 brate = cap_rid.supportedRates[vwrq->value];
6046 /* Setting by frequency value */
6047 u8 normvalue = (u8) (vwrq->value/500000);
6049 /* Check if rate is valid */
6050 for(i = 0 ; i < 8 ; i++) {
6051 if(normvalue == cap_rid.supportedRates[i]) {
6057 /* -1 designed the max rate (mostly auto mode) */
6058 if(vwrq->value == -1) {
6059 /* Get the highest available rate */
6060 for(i = 0 ; i < 8 ; i++) {
6061 if(cap_rid.supportedRates[i] == 0)
6065 brate = cap_rid.supportedRates[i - 1];
6067 /* Check that it is valid */
6072 readConfigRid(local, 1);
6073 /* Now, check if we want a fixed or auto value */
6074 if(vwrq->fixed == 0) {
6075 /* Fill all the rates up to this max rate */
6076 memset(local->config.rates, 0, 8);
6077 for(i = 0 ; i < 8 ; i++) {
6078 local->config.rates[i] = cap_rid.supportedRates[i];
6079 if(local->config.rates[i] == brate)
6084 /* One rate, fixed */
6085 memset(local->config.rates, 0, 8);
6086 local->config.rates[0] = brate;
6088 set_bit (FLAG_COMMIT, &local->flags);
6090 return -EINPROGRESS; /* Call commit handler */
6093 /*------------------------------------------------------------------*/
6095 * Wireless Handler : get Bit-Rate
6097 static int airo_get_rate(struct net_device *dev,
6098 struct iw_request_info *info,
6099 struct iw_param *vwrq,
6102 struct airo_info *local = dev->priv;
6103 StatusRid status_rid; /* Card status info */
6105 readStatusRid(local, &status_rid, 1);
6107 vwrq->value = status_rid.currentXmitRate * 500000;
6108 /* If more than one rate, set auto */
6109 readConfigRid(local, 1);
6110 vwrq->fixed = (local->config.rates[1] == 0);
6115 /*------------------------------------------------------------------*/
6117 * Wireless Handler : set RTS threshold
6119 static int airo_set_rts(struct net_device *dev,
6120 struct iw_request_info *info,
6121 struct iw_param *vwrq,
6124 struct airo_info *local = dev->priv;
6125 int rthr = vwrq->value;
6128 rthr = AIRO_DEF_MTU;
6129 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6132 readConfigRid(local, 1);
6133 local->config.rtsThres = rthr;
6134 set_bit (FLAG_COMMIT, &local->flags);
6136 return -EINPROGRESS; /* Call commit handler */
6139 /*------------------------------------------------------------------*/
6141 * Wireless Handler : get RTS threshold
6143 static int airo_get_rts(struct net_device *dev,
6144 struct iw_request_info *info,
6145 struct iw_param *vwrq,
6148 struct airo_info *local = dev->priv;
6150 readConfigRid(local, 1);
6151 vwrq->value = local->config.rtsThres;
6152 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6158 /*------------------------------------------------------------------*/
6160 * Wireless Handler : set Fragmentation threshold
6162 static int airo_set_frag(struct net_device *dev,
6163 struct iw_request_info *info,
6164 struct iw_param *vwrq,
6167 struct airo_info *local = dev->priv;
6168 int fthr = vwrq->value;
6171 fthr = AIRO_DEF_MTU;
6172 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6175 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6176 readConfigRid(local, 1);
6177 local->config.fragThresh = (u16)fthr;
6178 set_bit (FLAG_COMMIT, &local->flags);
6180 return -EINPROGRESS; /* Call commit handler */
6183 /*------------------------------------------------------------------*/
6185 * Wireless Handler : get Fragmentation threshold
6187 static int airo_get_frag(struct net_device *dev,
6188 struct iw_request_info *info,
6189 struct iw_param *vwrq,
6192 struct airo_info *local = dev->priv;
6194 readConfigRid(local, 1);
6195 vwrq->value = local->config.fragThresh;
6196 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6202 /*------------------------------------------------------------------*/
6204 * Wireless Handler : set Mode of Operation
6206 static int airo_set_mode(struct net_device *dev,
6207 struct iw_request_info *info,
6211 struct airo_info *local = dev->priv;
6214 readConfigRid(local, 1);
6215 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6220 local->config.opmode &= 0xFF00;
6221 local->config.opmode |= MODE_STA_IBSS;
6222 local->config.rmode &= 0xfe00;
6223 local->config.scanMode = SCANMODE_ACTIVE;
6224 clear_bit (FLAG_802_11, &local->flags);
6227 local->config.opmode &= 0xFF00;
6228 local->config.opmode |= MODE_STA_ESS;
6229 local->config.rmode &= 0xfe00;
6230 local->config.scanMode = SCANMODE_ACTIVE;
6231 clear_bit (FLAG_802_11, &local->flags);
6233 case IW_MODE_MASTER:
6234 local->config.opmode &= 0xFF00;
6235 local->config.opmode |= MODE_AP;
6236 local->config.rmode &= 0xfe00;
6237 local->config.scanMode = SCANMODE_ACTIVE;
6238 clear_bit (FLAG_802_11, &local->flags);
6240 case IW_MODE_REPEAT:
6241 local->config.opmode &= 0xFF00;
6242 local->config.opmode |= MODE_AP_RPTR;
6243 local->config.rmode &= 0xfe00;
6244 local->config.scanMode = SCANMODE_ACTIVE;
6245 clear_bit (FLAG_802_11, &local->flags);
6247 case IW_MODE_MONITOR:
6248 local->config.opmode &= 0xFF00;
6249 local->config.opmode |= MODE_STA_ESS;
6250 local->config.rmode &= 0xfe00;
6251 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6252 local->config.scanMode = SCANMODE_PASSIVE;
6253 set_bit (FLAG_802_11, &local->flags);
6259 set_bit (FLAG_RESET, &local->flags);
6260 set_bit (FLAG_COMMIT, &local->flags);
6262 return -EINPROGRESS; /* Call commit handler */
6265 /*------------------------------------------------------------------*/
6267 * Wireless Handler : get Mode of Operation
6269 static int airo_get_mode(struct net_device *dev,
6270 struct iw_request_info *info,
6274 struct airo_info *local = dev->priv;
6276 readConfigRid(local, 1);
6277 /* If not managed, assume it's ad-hoc */
6278 switch (local->config.opmode & 0xFF) {
6280 *uwrq = IW_MODE_INFRA;
6283 *uwrq = IW_MODE_MASTER;
6286 *uwrq = IW_MODE_REPEAT;
6289 *uwrq = IW_MODE_ADHOC;
6295 /*------------------------------------------------------------------*/
6297 * Wireless Handler : set Encryption Key
6299 static int airo_set_encode(struct net_device *dev,
6300 struct iw_request_info *info,
6301 struct iw_point *dwrq,
6304 struct airo_info *local = dev->priv;
6305 CapabilityRid cap_rid; /* Card capability info */
6306 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6307 u16 currentAuthType = local->config.authType;
6309 /* Is WEP supported ? */
6310 readCapabilityRid(local, &cap_rid, 1);
6311 /* Older firmware doesn't support this...
6312 if(!(cap_rid.softCap & 2)) {
6315 readConfigRid(local, 1);
6317 /* Basic checking: do we have a key to set ?
6318 * Note : with the new API, it's impossible to get a NULL pointer.
6319 * Therefore, we need to check a key size == 0 instead.
6320 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6321 * when no key is present (only change flags), but older versions
6322 * don't do it. - Jean II */
6323 if (dwrq->length > 0) {
6325 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6326 int current_index = get_wep_key(local, 0xffff);
6327 /* Check the size of the key */
6328 if (dwrq->length > MAX_KEY_SIZE) {
6331 /* Check the index (none -> use current) */
6332 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6333 index = current_index;
6334 /* Set the length */
6335 if (dwrq->length > MIN_KEY_SIZE)
6336 key.len = MAX_KEY_SIZE;
6338 if (dwrq->length > 0)
6339 key.len = MIN_KEY_SIZE;
6341 /* Disable the key */
6343 /* Check if the key is not marked as invalid */
6344 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6346 memset(key.key, 0, MAX_KEY_SIZE);
6347 /* Copy the key in the driver */
6348 memcpy(key.key, extra, dwrq->length);
6349 /* Send the key to the card */
6350 set_wep_key(local, index, key.key, key.len, perm, 1);
6352 /* WE specify that if a valid key is set, encryption
6353 * should be enabled (user may turn it off later)
6354 * This is also how "iwconfig ethX key on" works */
6355 if((index == current_index) && (key.len > 0) &&
6356 (local->config.authType == AUTH_OPEN)) {
6357 local->config.authType = AUTH_ENCRYPT;
6360 /* Do we want to just set the transmit key index ? */
6361 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6362 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6363 set_wep_key(local, index, NULL, 0, perm, 1);
6365 /* Don't complain if only change the mode */
6366 if(!dwrq->flags & IW_ENCODE_MODE) {
6370 /* Read the flags */
6371 if(dwrq->flags & IW_ENCODE_DISABLED)
6372 local->config.authType = AUTH_OPEN; // disable encryption
6373 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6374 local->config.authType = AUTH_SHAREDKEY; // Only Both
6375 if(dwrq->flags & IW_ENCODE_OPEN)
6376 local->config.authType = AUTH_ENCRYPT; // Only Wep
6377 /* Commit the changes to flags if needed */
6378 if (local->config.authType != currentAuthType)
6379 set_bit (FLAG_COMMIT, &local->flags);
6380 return -EINPROGRESS; /* Call commit handler */
6383 /*------------------------------------------------------------------*/
6385 * Wireless Handler : get Encryption Key
6387 static int airo_get_encode(struct net_device *dev,
6388 struct iw_request_info *info,
6389 struct iw_point *dwrq,
6392 struct airo_info *local = dev->priv;
6393 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6394 CapabilityRid cap_rid; /* Card capability info */
6396 /* Is it supported ? */
6397 readCapabilityRid(local, &cap_rid, 1);
6398 if(!(cap_rid.softCap & 2)) {
6401 readConfigRid(local, 1);
6402 /* Check encryption mode */
6403 switch(local->config.authType) {
6405 dwrq->flags = IW_ENCODE_OPEN;
6407 case AUTH_SHAREDKEY:
6408 dwrq->flags = IW_ENCODE_RESTRICTED;
6412 dwrq->flags = IW_ENCODE_DISABLED;
6415 /* We can't return the key, so set the proper flag and return zero */
6416 dwrq->flags |= IW_ENCODE_NOKEY;
6417 memset(extra, 0, 16);
6419 /* Which key do we want ? -1 -> tx index */
6420 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6421 index = get_wep_key(local, 0xffff);
6422 dwrq->flags |= index + 1;
6423 /* Copy the key to the user buffer */
6424 dwrq->length = get_wep_key(local, index);
6425 if (dwrq->length > 16) {
6431 /*------------------------------------------------------------------*/
6433 * Wireless Handler : set extended Encryption parameters
6435 static int airo_set_encodeext(struct net_device *dev,
6436 struct iw_request_info *info,
6437 union iwreq_data *wrqu,
6440 struct airo_info *local = dev->priv;
6441 struct iw_point *encoding = &wrqu->encoding;
6442 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6443 CapabilityRid cap_rid; /* Card capability info */
6444 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6445 u16 currentAuthType = local->config.authType;
6446 int idx, key_len, alg = ext->alg, set_key = 1;
6449 /* Is WEP supported ? */
6450 readCapabilityRid(local, &cap_rid, 1);
6451 /* Older firmware doesn't support this...
6452 if(!(cap_rid.softCap & 2)) {
6455 readConfigRid(local, 1);
6457 /* Determine and validate the key index */
6458 idx = encoding->flags & IW_ENCODE_INDEX;
6460 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6464 idx = get_wep_key(local, 0xffff);
6466 if (encoding->flags & IW_ENCODE_DISABLED)
6467 alg = IW_ENCODE_ALG_NONE;
6469 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6470 /* Only set transmit key index here, actual
6471 * key is set below if needed.
6473 set_wep_key(local, idx, NULL, 0, perm, 1);
6474 set_key = ext->key_len > 0 ? 1 : 0;
6478 /* Set the requested key first */
6479 memset(key.key, 0, MAX_KEY_SIZE);
6481 case IW_ENCODE_ALG_NONE:
6484 case IW_ENCODE_ALG_WEP:
6485 if (ext->key_len > MIN_KEY_SIZE) {
6486 key.len = MAX_KEY_SIZE;
6487 } else if (ext->key_len > 0) {
6488 key.len = MIN_KEY_SIZE;
6492 key_len = min (ext->key_len, key.len);
6493 memcpy(key.key, ext->key, key_len);
6498 /* Send the key to the card */
6499 set_wep_key(local, idx, key.key, key.len, perm, 1);
6502 /* Read the flags */
6503 if(encoding->flags & IW_ENCODE_DISABLED)
6504 local->config.authType = AUTH_OPEN; // disable encryption
6505 if(encoding->flags & IW_ENCODE_RESTRICTED)
6506 local->config.authType = AUTH_SHAREDKEY; // Only Both
6507 if(encoding->flags & IW_ENCODE_OPEN)
6508 local->config.authType = AUTH_ENCRYPT; // Only Wep
6509 /* Commit the changes to flags if needed */
6510 if (local->config.authType != currentAuthType)
6511 set_bit (FLAG_COMMIT, &local->flags);
6513 return -EINPROGRESS;
6517 /*------------------------------------------------------------------*/
6519 * Wireless Handler : get extended Encryption parameters
6521 static int airo_get_encodeext(struct net_device *dev,
6522 struct iw_request_info *info,
6523 union iwreq_data *wrqu,
6526 struct airo_info *local = dev->priv;
6527 struct iw_point *encoding = &wrqu->encoding;
6528 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6529 CapabilityRid cap_rid; /* Card capability info */
6530 int idx, max_key_len;
6532 /* Is it supported ? */
6533 readCapabilityRid(local, &cap_rid, 1);
6534 if(!(cap_rid.softCap & 2)) {
6537 readConfigRid(local, 1);
6539 max_key_len = encoding->length - sizeof(*ext);
6540 if (max_key_len < 0)
6543 idx = encoding->flags & IW_ENCODE_INDEX;
6545 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6549 idx = get_wep_key(local, 0xffff);
6551 encoding->flags = idx + 1;
6552 memset(ext, 0, sizeof(*ext));
6554 /* Check encryption mode */
6555 switch(local->config.authType) {
6557 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6559 case AUTH_SHAREDKEY:
6560 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6564 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6567 /* We can't return the key, so set the proper flag and return zero */
6568 encoding->flags |= IW_ENCODE_NOKEY;
6569 memset(extra, 0, 16);
6571 /* Copy the key to the user buffer */
6572 ext->key_len = get_wep_key(local, idx);
6573 if (ext->key_len > 16) {
6581 /*------------------------------------------------------------------*/
6583 * Wireless Handler : set extended authentication parameters
6585 static int airo_set_auth(struct net_device *dev,
6586 struct iw_request_info *info,
6587 union iwreq_data *wrqu, char *extra)
6589 struct airo_info *local = dev->priv;
6590 struct iw_param *param = &wrqu->param;
6591 u16 currentAuthType = local->config.authType;
6593 switch (param->flags & IW_AUTH_INDEX) {
6594 case IW_AUTH_WPA_VERSION:
6595 case IW_AUTH_CIPHER_PAIRWISE:
6596 case IW_AUTH_CIPHER_GROUP:
6597 case IW_AUTH_KEY_MGMT:
6598 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6599 case IW_AUTH_PRIVACY_INVOKED:
6601 * airo does not use these parameters
6605 case IW_AUTH_DROP_UNENCRYPTED:
6607 /* Only change auth type if unencrypted */
6608 if (currentAuthType == AUTH_OPEN)
6609 local->config.authType = AUTH_ENCRYPT;
6611 local->config.authType = AUTH_OPEN;
6614 /* Commit the changes to flags if needed */
6615 if (local->config.authType != currentAuthType)
6616 set_bit (FLAG_COMMIT, &local->flags);
6619 case IW_AUTH_80211_AUTH_ALG: {
6620 /* FIXME: What about AUTH_OPEN? This API seems to
6621 * disallow setting our auth to AUTH_OPEN.
6623 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6624 local->config.authType = AUTH_SHAREDKEY;
6625 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6626 local->config.authType = AUTH_ENCRYPT;
6631 /* Commit the changes to flags if needed */
6632 if (local->config.authType != currentAuthType)
6633 set_bit (FLAG_COMMIT, &local->flags);
6636 case IW_AUTH_WPA_ENABLED:
6637 /* Silently accept disable of WPA */
6638 if (param->value > 0)
6645 return -EINPROGRESS;
6649 /*------------------------------------------------------------------*/
6651 * Wireless Handler : get extended authentication parameters
6653 static int airo_get_auth(struct net_device *dev,
6654 struct iw_request_info *info,
6655 union iwreq_data *wrqu, char *extra)
6657 struct airo_info *local = dev->priv;
6658 struct iw_param *param = &wrqu->param;
6659 u16 currentAuthType = local->config.authType;
6661 switch (param->flags & IW_AUTH_INDEX) {
6662 case IW_AUTH_DROP_UNENCRYPTED:
6663 switch (currentAuthType) {
6664 case AUTH_SHAREDKEY:
6674 case IW_AUTH_80211_AUTH_ALG:
6675 switch (currentAuthType) {
6676 case AUTH_SHAREDKEY:
6677 param->value = IW_AUTH_ALG_SHARED_KEY;
6681 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6686 case IW_AUTH_WPA_ENABLED:
6697 /*------------------------------------------------------------------*/
6699 * Wireless Handler : set Tx-Power
6701 static int airo_set_txpow(struct net_device *dev,
6702 struct iw_request_info *info,
6703 struct iw_param *vwrq,
6706 struct airo_info *local = dev->priv;
6707 CapabilityRid cap_rid; /* Card capability info */
6711 readCapabilityRid(local, &cap_rid, 1);
6713 if (vwrq->disabled) {
6714 set_bit (FLAG_RADIO_OFF, &local->flags);
6715 set_bit (FLAG_COMMIT, &local->flags);
6716 return -EINPROGRESS; /* Call commit handler */
6718 if (vwrq->flags != IW_TXPOW_MWATT) {
6721 clear_bit (FLAG_RADIO_OFF, &local->flags);
6722 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6723 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6724 readConfigRid(local, 1);
6725 local->config.txPower = vwrq->value;
6726 set_bit (FLAG_COMMIT, &local->flags);
6727 rc = -EINPROGRESS; /* Call commit handler */
6733 /*------------------------------------------------------------------*/
6735 * Wireless Handler : get Tx-Power
6737 static int airo_get_txpow(struct net_device *dev,
6738 struct iw_request_info *info,
6739 struct iw_param *vwrq,
6742 struct airo_info *local = dev->priv;
6744 readConfigRid(local, 1);
6745 vwrq->value = local->config.txPower;
6746 vwrq->fixed = 1; /* No power control */
6747 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6748 vwrq->flags = IW_TXPOW_MWATT;
6753 /*------------------------------------------------------------------*/
6755 * Wireless Handler : set Retry limits
6757 static int airo_set_retry(struct net_device *dev,
6758 struct iw_request_info *info,
6759 struct iw_param *vwrq,
6762 struct airo_info *local = dev->priv;
6765 if(vwrq->disabled) {
6768 readConfigRid(local, 1);
6769 if(vwrq->flags & IW_RETRY_LIMIT) {
6770 if(vwrq->flags & IW_RETRY_MAX)
6771 local->config.longRetryLimit = vwrq->value;
6772 else if (vwrq->flags & IW_RETRY_MIN)
6773 local->config.shortRetryLimit = vwrq->value;
6775 /* No modifier : set both */
6776 local->config.longRetryLimit = vwrq->value;
6777 local->config.shortRetryLimit = vwrq->value;
6779 set_bit (FLAG_COMMIT, &local->flags);
6780 rc = -EINPROGRESS; /* Call commit handler */
6782 if(vwrq->flags & IW_RETRY_LIFETIME) {
6783 local->config.txLifetime = vwrq->value / 1024;
6784 set_bit (FLAG_COMMIT, &local->flags);
6785 rc = -EINPROGRESS; /* Call commit handler */
6790 /*------------------------------------------------------------------*/
6792 * Wireless Handler : get Retry limits
6794 static int airo_get_retry(struct net_device *dev,
6795 struct iw_request_info *info,
6796 struct iw_param *vwrq,
6799 struct airo_info *local = dev->priv;
6801 vwrq->disabled = 0; /* Can't be disabled */
6803 readConfigRid(local, 1);
6804 /* Note : by default, display the min retry number */
6805 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6806 vwrq->flags = IW_RETRY_LIFETIME;
6807 vwrq->value = (int)local->config.txLifetime * 1024;
6808 } else if((vwrq->flags & IW_RETRY_MAX)) {
6809 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
6810 vwrq->value = (int)local->config.longRetryLimit;
6812 vwrq->flags = IW_RETRY_LIMIT;
6813 vwrq->value = (int)local->config.shortRetryLimit;
6814 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6815 vwrq->flags |= IW_RETRY_MIN;
6821 /*------------------------------------------------------------------*/
6823 * Wireless Handler : get range info
6825 static int airo_get_range(struct net_device *dev,
6826 struct iw_request_info *info,
6827 struct iw_point *dwrq,
6830 struct airo_info *local = dev->priv;
6831 struct iw_range *range = (struct iw_range *) extra;
6832 CapabilityRid cap_rid; /* Card capability info */
6836 readCapabilityRid(local, &cap_rid, 1);
6838 dwrq->length = sizeof(struct iw_range);
6839 memset(range, 0, sizeof(*range));
6840 range->min_nwid = 0x0000;
6841 range->max_nwid = 0x0000;
6842 range->num_channels = 14;
6843 /* Should be based on cap_rid.country to give only
6844 * what the current card support */
6846 for(i = 0; i < 14; i++) {
6847 range->freq[k].i = i + 1; /* List index */
6848 range->freq[k].m = frequency_list[i] * 100000;
6849 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6851 range->num_frequency = k;
6853 range->sensitivity = 65535;
6855 /* Hum... Should put the right values there */
6857 range->max_qual.qual = 100; /* % */
6859 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6860 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6861 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6863 /* Experimental measurements - boundary 11/5.5 Mb/s */
6864 /* Note : with or without the (local->rssi), results
6865 * are somewhat different. - Jean II */
6867 range->avg_qual.qual = 50; /* % */
6868 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6870 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6871 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6873 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6875 for(i = 0 ; i < 8 ; i++) {
6876 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6877 if(range->bitrate[i] == 0)
6880 range->num_bitrates = i;
6882 /* Set an indication of the max TCP throughput
6883 * in bit/s that we can expect using this interface.
6884 * May be use for QoS stuff... Jean II */
6886 range->throughput = 5000 * 1000;
6888 range->throughput = 1500 * 1000;
6891 range->max_rts = AIRO_DEF_MTU;
6892 range->min_frag = 256;
6893 range->max_frag = AIRO_DEF_MTU;
6895 if(cap_rid.softCap & 2) {
6897 range->encoding_size[0] = 5;
6899 if (cap_rid.softCap & 0x100) {
6900 range->encoding_size[1] = 13;
6901 range->num_encoding_sizes = 2;
6903 range->num_encoding_sizes = 1;
6904 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6906 range->num_encoding_sizes = 0;
6907 range->max_encoding_tokens = 0;
6910 range->max_pmp = 5000000; /* 5 secs */
6912 range->max_pmt = 65535 * 1024; /* ??? */
6913 range->pmp_flags = IW_POWER_PERIOD;
6914 range->pmt_flags = IW_POWER_TIMEOUT;
6915 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6917 /* Transmit Power - values are in mW */
6918 for(i = 0 ; i < 8 ; i++) {
6919 range->txpower[i] = cap_rid.txPowerLevels[i];
6920 if(range->txpower[i] == 0)
6923 range->num_txpower = i;
6924 range->txpower_capa = IW_TXPOW_MWATT;
6925 range->we_version_source = 19;
6926 range->we_version_compiled = WIRELESS_EXT;
6927 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6928 range->retry_flags = IW_RETRY_LIMIT;
6929 range->r_time_flags = IW_RETRY_LIFETIME;
6930 range->min_retry = 1;
6931 range->max_retry = 65535;
6932 range->min_r_time = 1024;
6933 range->max_r_time = 65535 * 1024;
6935 /* Event capability (kernel + driver) */
6936 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6937 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6938 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6939 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6940 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6941 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6945 /*------------------------------------------------------------------*/
6947 * Wireless Handler : set Power Management
6949 static int airo_set_power(struct net_device *dev,
6950 struct iw_request_info *info,
6951 struct iw_param *vwrq,
6954 struct airo_info *local = dev->priv;
6956 readConfigRid(local, 1);
6957 if (vwrq->disabled) {
6958 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6961 local->config.powerSaveMode = POWERSAVE_CAM;
6962 local->config.rmode &= 0xFF00;
6963 local->config.rmode |= RXMODE_BC_MC_ADDR;
6964 set_bit (FLAG_COMMIT, &local->flags);
6965 return -EINPROGRESS; /* Call commit handler */
6967 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6968 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6969 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6970 set_bit (FLAG_COMMIT, &local->flags);
6971 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6972 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6973 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6974 set_bit (FLAG_COMMIT, &local->flags);
6976 switch (vwrq->flags & IW_POWER_MODE) {
6977 case IW_POWER_UNICAST_R:
6978 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6981 local->config.rmode &= 0xFF00;
6982 local->config.rmode |= RXMODE_ADDR;
6983 set_bit (FLAG_COMMIT, &local->flags);
6985 case IW_POWER_ALL_R:
6986 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6989 local->config.rmode &= 0xFF00;
6990 local->config.rmode |= RXMODE_BC_MC_ADDR;
6991 set_bit (FLAG_COMMIT, &local->flags);
6997 // Note : we may want to factor local->need_commit here
6998 // Note2 : may also want to factor RXMODE_RFMON test
6999 return -EINPROGRESS; /* Call commit handler */
7002 /*------------------------------------------------------------------*/
7004 * Wireless Handler : get Power Management
7006 static int airo_get_power(struct net_device *dev,
7007 struct iw_request_info *info,
7008 struct iw_param *vwrq,
7011 struct airo_info *local = dev->priv;
7014 readConfigRid(local, 1);
7015 mode = local->config.powerSaveMode;
7016 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7018 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7019 vwrq->value = (int)local->config.fastListenDelay * 1024;
7020 vwrq->flags = IW_POWER_TIMEOUT;
7022 vwrq->value = (int)local->config.fastListenInterval * 1024;
7023 vwrq->flags = IW_POWER_PERIOD;
7025 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7026 vwrq->flags |= IW_POWER_UNICAST_R;
7028 vwrq->flags |= IW_POWER_ALL_R;
7033 /*------------------------------------------------------------------*/
7035 * Wireless Handler : set Sensitivity
7037 static int airo_set_sens(struct net_device *dev,
7038 struct iw_request_info *info,
7039 struct iw_param *vwrq,
7042 struct airo_info *local = dev->priv;
7044 readConfigRid(local, 1);
7045 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7046 set_bit (FLAG_COMMIT, &local->flags);
7048 return -EINPROGRESS; /* Call commit handler */
7051 /*------------------------------------------------------------------*/
7053 * Wireless Handler : get Sensitivity
7055 static int airo_get_sens(struct net_device *dev,
7056 struct iw_request_info *info,
7057 struct iw_param *vwrq,
7060 struct airo_info *local = dev->priv;
7062 readConfigRid(local, 1);
7063 vwrq->value = local->config.rssiThreshold;
7064 vwrq->disabled = (vwrq->value == 0);
7070 /*------------------------------------------------------------------*/
7072 * Wireless Handler : get AP List
7073 * Note : this is deprecated in favor of IWSCAN
7075 static int airo_get_aplist(struct net_device *dev,
7076 struct iw_request_info *info,
7077 struct iw_point *dwrq,
7080 struct airo_info *local = dev->priv;
7081 struct sockaddr *address = (struct sockaddr *) extra;
7082 struct iw_quality qual[IW_MAX_AP];
7085 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7087 for (i = 0; i < IW_MAX_AP; i++) {
7088 if (readBSSListRid(local, loseSync, &BSSList))
7091 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7092 address[i].sa_family = ARPHRD_ETHER;
7094 qual[i].level = 0x100 - BSSList.dBm;
7095 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7096 qual[i].updated = IW_QUAL_QUAL_UPDATED
7097 | IW_QUAL_LEVEL_UPDATED
7100 qual[i].level = (BSSList.dBm + 321) / 2;
7102 qual[i].updated = IW_QUAL_QUAL_INVALID
7103 | IW_QUAL_LEVEL_UPDATED
7106 qual[i].noise = local->wstats.qual.noise;
7107 if (BSSList.index == 0xffff)
7111 StatusRid status_rid; /* Card status info */
7112 readStatusRid(local, &status_rid, 1);
7114 i < min(IW_MAX_AP, 4) &&
7115 (status_rid.bssid[i][0]
7116 & status_rid.bssid[i][1]
7117 & status_rid.bssid[i][2]
7118 & status_rid.bssid[i][3]
7119 & status_rid.bssid[i][4]
7120 & status_rid.bssid[i][5])!=0xff &&
7121 (status_rid.bssid[i][0]
7122 | status_rid.bssid[i][1]
7123 | status_rid.bssid[i][2]
7124 | status_rid.bssid[i][3]
7125 | status_rid.bssid[i][4]
7126 | status_rid.bssid[i][5]);
7128 memcpy(address[i].sa_data,
7129 status_rid.bssid[i], ETH_ALEN);
7130 address[i].sa_family = ARPHRD_ETHER;
7133 dwrq->flags = 1; /* Should be define'd */
7134 memcpy(extra + sizeof(struct sockaddr)*i,
7135 &qual, sizeof(struct iw_quality)*i);
7142 /*------------------------------------------------------------------*/
7144 * Wireless Handler : Initiate Scan
7146 static int airo_set_scan(struct net_device *dev,
7147 struct iw_request_info *info,
7148 struct iw_param *vwrq,
7151 struct airo_info *ai = dev->priv;
7156 /* Note : you may have realised that, as this is a SET operation,
7157 * this is privileged and therefore a normal user can't
7159 * This is not an error, while the device perform scanning,
7160 * traffic doesn't flow, so it's a perfect DoS...
7162 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7164 if (down_interruptible(&ai->sem))
7165 return -ERESTARTSYS;
7167 /* If there's already a scan in progress, don't
7168 * trigger another one. */
7169 if (ai->scan_timeout > 0)
7172 /* Initiate a scan command */
7173 ai->scan_timeout = RUN_AT(3*HZ);
7174 memset(&cmd, 0, sizeof(cmd));
7175 cmd.cmd=CMD_LISTBSS;
7176 issuecommand(ai, &cmd, &rsp);
7182 wake_up_interruptible(&ai->thr_wait);
7186 /*------------------------------------------------------------------*/
7188 * Translate scan data returned from the card to a card independent
7189 * format that the Wireless Tools will understand - Jean II
7191 static inline char *airo_translate_scan(struct net_device *dev,
7196 struct airo_info *ai = dev->priv;
7197 struct iw_event iwe; /* Temporary buffer */
7199 char * current_val; /* For rates */
7203 /* First entry *MUST* be the AP MAC address */
7204 iwe.cmd = SIOCGIWAP;
7205 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7206 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7207 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7209 /* Other entries will be displayed in the order we give them */
7212 iwe.u.data.length = bss->ssidLen;
7213 if(iwe.u.data.length > 32)
7214 iwe.u.data.length = 32;
7215 iwe.cmd = SIOCGIWESSID;
7216 iwe.u.data.flags = 1;
7217 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7220 iwe.cmd = SIOCGIWMODE;
7221 capabilities = le16_to_cpu(bss->cap);
7222 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7223 if(capabilities & CAP_ESS)
7224 iwe.u.mode = IW_MODE_MASTER;
7226 iwe.u.mode = IW_MODE_ADHOC;
7227 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7231 iwe.cmd = SIOCGIWFREQ;
7232 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7233 /* iwe.u.freq.m containt the channel (starting 1), our
7234 * frequency_list array start at index 0...
7236 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7238 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7240 /* Add quality statistics */
7243 iwe.u.qual.level = 0x100 - bss->dBm;
7244 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7245 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7246 | IW_QUAL_LEVEL_UPDATED
7249 iwe.u.qual.level = (bss->dBm + 321) / 2;
7250 iwe.u.qual.qual = 0;
7251 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7252 | IW_QUAL_LEVEL_UPDATED
7255 iwe.u.qual.noise = ai->wstats.qual.noise;
7256 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7258 /* Add encryption capability */
7259 iwe.cmd = SIOCGIWENCODE;
7260 if(capabilities & CAP_PRIVACY)
7261 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7263 iwe.u.data.flags = IW_ENCODE_DISABLED;
7264 iwe.u.data.length = 0;
7265 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7267 /* Rate : stuffing multiple values in a single event require a bit
7268 * more of magic - Jean II */
7269 current_val = current_ev + IW_EV_LCP_LEN;
7271 iwe.cmd = SIOCGIWRATE;
7272 /* Those two flags are ignored... */
7273 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7275 for(i = 0 ; i < 8 ; i++) {
7276 /* NULL terminated */
7277 if(bss->rates[i] == 0)
7279 /* Bit rate given in 500 kb/s units (+ 0x80) */
7280 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7281 /* Add new value to event */
7282 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7284 /* Check if we added any event */
7285 if((current_val - current_ev) > IW_EV_LCP_LEN)
7286 current_ev = current_val;
7288 /* Beacon interval */
7289 buf = kmalloc(30, GFP_KERNEL);
7291 iwe.cmd = IWEVCUSTOM;
7292 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7293 iwe.u.data.length = strlen(buf);
7294 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7298 /* Put WPA/RSN Information Elements into the event stream */
7299 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7300 unsigned int num_null_ies = 0;
7301 u16 length = sizeof (bss->extra.iep);
7302 struct ieee80211_info_element *info_element =
7303 (struct ieee80211_info_element *) &bss->extra.iep;
7305 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7306 if (sizeof(*info_element) + info_element->len > length) {
7307 /* Invalid element, don't continue parsing IE */
7311 switch (info_element->id) {
7312 case MFIE_TYPE_SSID:
7313 /* Two zero-length SSID elements
7314 * mean we're done parsing elements */
7315 if (!info_element->len)
7319 case MFIE_TYPE_GENERIC:
7320 if (info_element->len >= 4 &&
7321 info_element->data[0] == 0x00 &&
7322 info_element->data[1] == 0x50 &&
7323 info_element->data[2] == 0xf2 &&
7324 info_element->data[3] == 0x01) {
7325 iwe.cmd = IWEVGENIE;
7326 iwe.u.data.length = min(info_element->len + 2,
7328 current_ev = iwe_stream_add_point(current_ev, end_buf,
7329 &iwe, (char *) info_element);
7334 iwe.cmd = IWEVGENIE;
7335 iwe.u.data.length = min(info_element->len + 2,
7337 current_ev = iwe_stream_add_point(current_ev, end_buf,
7338 &iwe, (char *) info_element);
7345 length -= sizeof(*info_element) + info_element->len;
7347 (struct ieee80211_info_element *)&info_element->
7348 data[info_element->len];
7354 /*------------------------------------------------------------------*/
7356 * Wireless Handler : Read Scan Results
7358 static int airo_get_scan(struct net_device *dev,
7359 struct iw_request_info *info,
7360 struct iw_point *dwrq,
7363 struct airo_info *ai = dev->priv;
7364 BSSListElement *net;
7366 char *current_ev = extra;
7368 /* If a scan is in-progress, return -EAGAIN */
7369 if (ai->scan_timeout > 0)
7372 if (down_interruptible(&ai->sem))
7375 list_for_each_entry (net, &ai->network_list, list) {
7376 /* Translate to WE format this entry */
7377 current_ev = airo_translate_scan(dev, current_ev,
7378 extra + dwrq->length,
7381 /* Check if there is space for one more entry */
7382 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7383 /* Ask user space to try again with a bigger buffer */
7389 /* Length of data */
7390 dwrq->length = (current_ev - extra);
7391 dwrq->flags = 0; /* todo */
7398 /*------------------------------------------------------------------*/
7400 * Commit handler : called after a bunch of SET operations
7402 static int airo_config_commit(struct net_device *dev,
7403 struct iw_request_info *info, /* NULL */
7404 void *zwrq, /* NULL */
7405 char *extra) /* NULL */
7407 struct airo_info *local = dev->priv;
7410 if (!test_bit (FLAG_COMMIT, &local->flags))
7413 /* Some of the "SET" function may have modified some of the
7414 * parameters. It's now time to commit them in the card */
7415 disable_MAC(local, 1);
7416 if (test_bit (FLAG_RESET, &local->flags)) {
7417 APListRid APList_rid;
7420 readAPListRid(local, &APList_rid);
7421 readSsidRid(local, &SSID_rid);
7422 if (test_bit(FLAG_MPI,&local->flags))
7423 setup_card(local, dev->dev_addr, 1 );
7425 reset_airo_card(dev);
7426 disable_MAC(local, 1);
7427 writeSsidRid(local, &SSID_rid, 1);
7428 writeAPListRid(local, &APList_rid, 1);
7430 if (down_interruptible(&local->sem))
7431 return -ERESTARTSYS;
7432 writeConfigRid(local, 0);
7433 enable_MAC(local, &rsp, 0);
7434 if (test_bit (FLAG_RESET, &local->flags))
7435 airo_set_promisc(local);
7442 /*------------------------------------------------------------------*/
7444 * Structures to export the Wireless Handlers
7447 static const struct iw_priv_args airo_private_args[] = {
7448 /*{ cmd, set_args, get_args, name } */
7449 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7450 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7451 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7452 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7455 static const iw_handler airo_handler[] =
7457 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7458 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7459 (iw_handler) NULL, /* SIOCSIWNWID */
7460 (iw_handler) NULL, /* SIOCGIWNWID */
7461 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7462 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7463 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7464 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7465 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7466 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7467 (iw_handler) NULL, /* SIOCSIWRANGE */
7468 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7469 (iw_handler) NULL, /* SIOCSIWPRIV */
7470 (iw_handler) NULL, /* SIOCGIWPRIV */
7471 (iw_handler) NULL, /* SIOCSIWSTATS */
7472 (iw_handler) NULL, /* SIOCGIWSTATS */
7473 iw_handler_set_spy, /* SIOCSIWSPY */
7474 iw_handler_get_spy, /* SIOCGIWSPY */
7475 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7476 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7477 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7478 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7479 (iw_handler) NULL, /* -- hole -- */
7480 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7481 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7482 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7483 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7484 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7485 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7486 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7487 (iw_handler) NULL, /* -- hole -- */
7488 (iw_handler) NULL, /* -- hole -- */
7489 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7490 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7491 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7492 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7493 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7494 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7495 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7496 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7497 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7498 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7499 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7500 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7501 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7502 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7503 (iw_handler) NULL, /* -- hole -- */
7504 (iw_handler) NULL, /* -- hole -- */
7505 (iw_handler) NULL, /* SIOCSIWGENIE */
7506 (iw_handler) NULL, /* SIOCGIWGENIE */
7507 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7508 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7509 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7510 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7511 (iw_handler) NULL, /* SIOCSIWPMKSA */
7514 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7515 * We want to force the use of the ioctl code, because those can't be
7516 * won't work the iw_handler code (because they simultaneously read
7517 * and write data and iw_handler can't do that).
7518 * Note that it's perfectly legal to read/write on a single ioctl command,
7519 * you just can't use iwpriv and need to force it via the ioctl handler.
7521 static const iw_handler airo_private_handler[] =
7523 NULL, /* SIOCIWFIRSTPRIV */
7526 static const struct iw_handler_def airo_handler_def =
7528 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7529 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7530 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7531 .standard = airo_handler,
7532 .private = airo_private_handler,
7533 .private_args = airo_private_args,
7534 .get_wireless_stats = airo_get_wireless_stats,
7538 * This defines the configuration part of the Wireless Extensions
7539 * Note : irq and spinlock protection will occur in the subroutines
7542 * o Check input value more carefully and fill correct values in range
7543 * o Test and shakeout the bugs (if any)
7547 * Javier Achirica did a great job of merging code from the unnamed CISCO
7548 * developer that added support for flashing the card.
7550 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7553 struct airo_info *ai = (struct airo_info *)dev->priv;
7555 if (ai->power.event)
7565 int val = AIROMAGIC;
7567 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7569 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7578 /* Get the command struct and hand it off for evaluation by
7579 * the proper subfunction
7583 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7588 /* Separate R/W functions bracket legality here
7590 if ( com.command == AIRORSWVERSION ) {
7591 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7596 else if ( com.command <= AIRORRID)
7597 rc = readrids(dev,&com);
7598 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7599 rc = writerids(dev,&com);
7600 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7601 rc = flashcard(dev,&com);
7603 rc = -EINVAL; /* Bad command in ioctl */
7606 #endif /* CISCO_EXT */
7608 // All other calls are currently unsupported
7616 * Get the Wireless stats out of the driver
7617 * Note : irq and spinlock protection will occur in the subroutines
7620 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7624 static void airo_read_wireless_stats(struct airo_info *local)
7626 StatusRid status_rid;
7628 CapabilityRid cap_rid;
7629 u32 *vals = stats_rid.vals;
7631 /* Get stats out of the card */
7632 clear_bit(JOB_WSTATS, &local->jobs);
7633 if (local->power.event) {
7637 readCapabilityRid(local, &cap_rid, 0);
7638 readStatusRid(local, &status_rid, 0);
7639 readStatsRid(local, &stats_rid, RID_STATS, 0);
7643 local->wstats.status = status_rid.mode;
7645 /* Signal quality and co */
7647 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7648 /* normalizedSignalStrength appears to be a percentage */
7649 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7651 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7652 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7654 if (status_rid.len >= 124) {
7655 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7656 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7658 local->wstats.qual.noise = 0;
7659 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7662 /* Packets discarded in the wireless adapter due to wireless
7663 * specific problems */
7664 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7665 local->wstats.discard.code = vals[6];/* RxWepErr */
7666 local->wstats.discard.fragment = vals[30];
7667 local->wstats.discard.retries = vals[10];
7668 local->wstats.discard.misc = vals[1] + vals[32];
7669 local->wstats.miss.beacon = vals[34];
7672 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7674 struct airo_info *local = dev->priv;
7676 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7677 /* Get stats out of the card if available */
7678 if (down_trylock(&local->sem) != 0) {
7679 set_bit(JOB_WSTATS, &local->jobs);
7680 wake_up_interruptible(&local->thr_wait);
7682 airo_read_wireless_stats(local);
7685 return &local->wstats;
7690 * This just translates from driver IOCTL codes to the command codes to
7691 * feed to the radio's host interface. Things can be added/deleted
7692 * as needed. This represents the READ side of control I/O to
7695 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7696 unsigned short ridcode;
7697 unsigned char *iobuf;
7699 struct airo_info *ai = dev->priv;
7702 if (test_bit(FLAG_FLASHING, &ai->flags))
7705 switch(comp->command)
7707 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7708 case AIROGCFG: ridcode = RID_CONFIG;
7709 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7710 disable_MAC (ai, 1);
7711 writeConfigRid (ai, 1);
7712 enable_MAC (ai, &rsp, 1);
7715 case AIROGSLIST: ridcode = RID_SSID; break;
7716 case AIROGVLIST: ridcode = RID_APLIST; break;
7717 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7718 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7719 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7720 /* Only super-user can read WEP keys */
7721 if (!capable(CAP_NET_ADMIN))
7724 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7725 /* Only super-user can read WEP keys */
7726 if (!capable(CAP_NET_ADMIN))
7729 case AIROGSTAT: ridcode = RID_STATUS; break;
7730 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7731 case AIROGSTATSC32: ridcode = RID_STATS; break;
7733 if (copy_to_user(comp->data, &ai->micstats,
7734 min((int)comp->len,(int)sizeof(ai->micstats))))
7737 case AIRORRID: ridcode = comp->ridnum; break;
7743 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7746 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7747 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7748 * then return it to the user
7749 * 9/22/2000 Honor user given length
7753 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7762 * Danger Will Robinson write the rids here
7765 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7766 struct airo_info *ai = dev->priv;
7770 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7771 unsigned char *iobuf;
7773 /* Only super-user can write RIDs */
7774 if (!capable(CAP_NET_ADMIN))
7777 if (test_bit(FLAG_FLASHING, &ai->flags))
7781 writer = do_writerid;
7783 switch(comp->command)
7785 case AIROPSIDS: ridcode = RID_SSID; break;
7786 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7787 case AIROPAPLIST: ridcode = RID_APLIST; break;
7788 case AIROPCFG: ai->config.len = 0;
7789 clear_bit(FLAG_COMMIT, &ai->flags);
7790 ridcode = RID_CONFIG; break;
7791 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7792 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7793 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7794 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7796 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7797 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7799 /* this is not really a rid but a command given to the card
7803 if (enable_MAC(ai, &rsp, 1) != 0)
7808 * Evidently this code in the airo driver does not get a symbol
7809 * as disable_MAC. it's probably so short the compiler does not gen one.
7815 /* This command merely clears the counts does not actually store any data
7816 * only reads rid. But as it changes the cards state, I put it in the
7817 * writerid routines.
7820 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7823 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7825 enabled = ai->micstats.enabled;
7826 memset(&ai->micstats,0,sizeof(ai->micstats));
7827 ai->micstats.enabled = enabled;
7829 if (copy_to_user(comp->data, iobuf,
7830 min((int)comp->len, (int)RIDSIZE))) {
7838 return -EOPNOTSUPP; /* Blarg! */
7840 if(comp->len > RIDSIZE)
7843 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7846 if (copy_from_user(iobuf,comp->data,comp->len)) {
7851 if (comp->command == AIROPCFG) {
7852 ConfigRid *cfg = (ConfigRid *)iobuf;
7854 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7855 cfg->opmode |= MODE_MIC;
7857 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7858 set_bit (FLAG_ADHOC, &ai->flags);
7860 clear_bit (FLAG_ADHOC, &ai->flags);
7863 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7871 /*****************************************************************************
7872 * Ancillary flash / mod functions much black magic lurkes here *
7873 *****************************************************************************
7877 * Flash command switch table
7880 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7883 /* Only super-user can modify flash */
7884 if (!capable(CAP_NET_ADMIN))
7887 switch(comp->command)
7890 return cmdreset((struct airo_info *)dev->priv);
7893 if (!((struct airo_info *)dev->priv)->flash &&
7894 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7896 return setflashmode((struct airo_info *)dev->priv);
7898 case AIROFLSHGCHR: /* Get char from aux */
7899 if(comp->len != sizeof(int))
7901 if (copy_from_user(&z,comp->data,comp->len))
7903 return flashgchar((struct airo_info *)dev->priv,z,8000);
7905 case AIROFLSHPCHR: /* Send char to card. */
7906 if(comp->len != sizeof(int))
7908 if (copy_from_user(&z,comp->data,comp->len))
7910 return flashpchar((struct airo_info *)dev->priv,z,8000);
7912 case AIROFLPUTBUF: /* Send 32k to card */
7913 if (!((struct airo_info *)dev->priv)->flash)
7915 if(comp->len > FLASHSIZE)
7917 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7920 flashputbuf((struct airo_info *)dev->priv);
7924 if(flashrestart((struct airo_info *)dev->priv,dev))
7931 #define FLASH_COMMAND 0x7e7e
7935 * Disable MAC and do soft reset on
7939 static int cmdreset(struct airo_info *ai) {
7943 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7947 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7949 ssleep(1); /* WAS 600 12/7/00 */
7952 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7959 * Put the card in legendary flash
7963 static int setflashmode (struct airo_info *ai) {
7964 set_bit (FLAG_FLASHING, &ai->flags);
7966 OUT4500(ai, SWS0, FLASH_COMMAND);
7967 OUT4500(ai, SWS1, FLASH_COMMAND);
7969 OUT4500(ai, SWS0, FLASH_COMMAND);
7970 OUT4500(ai, COMMAND,0x10);
7972 OUT4500(ai, SWS2, FLASH_COMMAND);
7973 OUT4500(ai, SWS3, FLASH_COMMAND);
7974 OUT4500(ai, COMMAND,0);
7976 msleep(500); /* 500ms delay */
7979 clear_bit (FLAG_FLASHING, &ai->flags);
7980 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
7986 /* Put character to SWS0 wait for dwelltime
7990 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8001 /* Wait for busy bit d15 to go false indicating buffer empty */
8002 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8007 /* timeout for busy clear wait */
8009 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8013 /* Port is clear now write byte and wait for it to echo back */
8015 OUT4500(ai,SWS0,byte);
8018 echo = IN4500(ai,SWS1);
8019 } while (dwelltime >= 0 && echo != byte);
8023 return (echo == byte) ? 0 : -EIO;
8027 * Get a character from the card matching matchbyte
8030 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8032 unsigned char rbyte=0;
8035 rchar = IN4500(ai,SWS1);
8037 if(dwelltime && !(0x8000 & rchar)){
8042 rbyte = 0xff & rchar;
8044 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8048 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8052 }while(dwelltime > 0);
8057 * Transfer 32k of firmware data from user buffer to our buffer and
8061 static int flashputbuf(struct airo_info *ai){
8065 if (test_bit(FLAG_MPI,&ai->flags))
8066 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8068 OUT4500(ai,AUXPAGE,0x100);
8069 OUT4500(ai,AUXOFF,0);
8071 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8072 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8075 OUT4500(ai,SWS0,0x8000);
8083 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8086 ssleep(1); /* Added 12/7/00 */
8087 clear_bit (FLAG_FLASHING, &ai->flags);
8088 if (test_bit(FLAG_MPI, &ai->flags)) {
8089 status = mpi_init_descriptors(ai);
8090 if (status != SUCCESS)
8093 status = setup_card(ai, dev->dev_addr, 1);
8095 if (!test_bit(FLAG_MPI,&ai->flags))
8096 for( i = 0; i < MAX_FIDS; i++ ) {
8097 ai->fids[i] = transmit_allocate
8098 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8101 ssleep(1); /* Added 12/7/00 */
8104 #endif /* CISCO_EXT */
8107 This program is free software; you can redistribute it and/or
8108 modify it under the terms of the GNU General Public License
8109 as published by the Free Software Foundation; either version 2
8110 of the License, or (at your option) any later version.
8112 This program is distributed in the hope that it will be useful,
8113 but WITHOUT ANY WARRANTY; without even the implied warranty of
8114 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8115 GNU General Public License for more details.
8119 Redistribution and use in source and binary forms, with or without
8120 modification, are permitted provided that the following conditions
8123 1. Redistributions of source code must retain the above copyright
8124 notice, this list of conditions and the following disclaimer.
8125 2. Redistributions in binary form must reproduce the above copyright
8126 notice, this list of conditions and the following disclaimer in the
8127 documentation and/or other materials provided with the distribution.
8128 3. The name of the author may not be used to endorse or promote
8129 products derived from this software without specific prior written
8132 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8133 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8134 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8135 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8136 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8137 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8138 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8139 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8140 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8141 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8142 POSSIBILITY OF SUCH DAMAGE.
8145 module_init(airo_init_module);
8146 module_exit(airo_cleanup_module);
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