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);
1124 static int airo_thread(void *data);
1125 static void timer_func( struct net_device *dev );
1126 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1127 static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
1128 static void airo_read_wireless_stats (struct airo_info *local);
1130 static int readrids(struct net_device *dev, aironet_ioctl *comp);
1131 static int writerids(struct net_device *dev, aironet_ioctl *comp);
1132 static int flashcard(struct net_device *dev, aironet_ioctl *comp);
1133 #endif /* CISCO_EXT */
1134 static void micinit(struct airo_info *ai);
1135 static int micsetup(struct airo_info *ai);
1136 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
1137 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
1139 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
1140 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
1142 static void airo_networks_free(struct airo_info *ai);
1145 struct net_device_stats stats;
1146 struct net_device *dev;
1147 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1148 use the high bit to mark whether it is in use. */
1150 #define MPI_MAX_FIDS 1
1153 char keyindex; // Used with auto wep
1154 char defindex; // Used with auto wep
1155 struct proc_dir_entry *proc_entry;
1156 spinlock_t aux_lock;
1157 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1158 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1159 #define FLAG_RADIO_MASK 0x03
1160 #define FLAG_ENABLED 2
1161 #define FLAG_ADHOC 3 /* Needed by MIC */
1162 #define FLAG_MIC_CAPABLE 4
1163 #define FLAG_UPDATE_MULTI 5
1164 #define FLAG_UPDATE_UNI 6
1165 #define FLAG_802_11 7
1166 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1167 #define FLAG_PENDING_XMIT 9
1168 #define FLAG_PENDING_XMIT11 10
1170 #define FLAG_REGISTERED 12
1171 #define FLAG_COMMIT 13
1172 #define FLAG_RESET 14
1173 #define FLAG_FLASHING 15
1174 #define FLAG_WPA_CAPABLE 16
1175 unsigned long flags;
1178 #define JOB_XMIT11 2
1180 #define JOB_PROMISC 4
1183 #define JOB_AUTOWEP 7
1184 #define JOB_WSTATS 8
1185 #define JOB_SCAN_RESULTS 9
1187 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1189 unsigned short *flash;
1191 struct task_struct *list_bss_task;
1192 struct task_struct *airo_thread_task;
1193 struct semaphore sem;
1194 wait_queue_head_t thr_wait;
1195 unsigned long expires;
1197 struct sk_buff *skb;
1200 struct net_device *wifidev;
1201 struct iw_statistics wstats; // wireless stats
1202 unsigned long scan_timeout; /* Time scan should be read */
1203 struct iw_spy_data spy_data;
1204 struct iw_public_data wireless_data;
1206 struct crypto_cipher *tfm;
1208 mic_statistics micstats;
1209 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1210 HostTxDesc txfids[MPI_MAX_FIDS];
1211 HostRidDesc config_desc;
1212 unsigned long ridbus; // phys addr of config_desc
1213 struct sk_buff_head txq;// tx queue used by mpi350 code
1214 struct pci_dev *pci;
1215 unsigned char __iomem *pcimem;
1216 unsigned char __iomem *pciaux;
1217 unsigned char *shared;
1218 dma_addr_t shared_dma;
1222 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1223 char proc_name[IFNAMSIZ];
1225 /* WPA-related stuff */
1226 unsigned int bssListFirst;
1227 unsigned int bssListNext;
1228 unsigned int bssListRidLen;
1230 struct list_head network_list;
1231 struct list_head network_free_list;
1232 BSSListElement *networks;
1235 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1237 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1240 static int setup_proc_entry( struct net_device *dev,
1241 struct airo_info *apriv );
1242 static int takedown_proc_entry( struct net_device *dev,
1243 struct airo_info *apriv );
1245 static int cmdreset(struct airo_info *ai);
1246 static int setflashmode (struct airo_info *ai);
1247 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1248 static int flashputbuf(struct airo_info *ai);
1249 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1251 #define airo_print(type, name, fmt, args...) \
1252 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1254 #define airo_print_info(name, fmt, args...) \
1255 airo_print(KERN_INFO, name, fmt, ##args)
1257 #define airo_print_dbg(name, fmt, args...) \
1258 airo_print(KERN_DEBUG, name, fmt, ##args)
1260 #define airo_print_warn(name, fmt, args...) \
1261 airo_print(KERN_WARNING, name, fmt, ##args)
1263 #define airo_print_err(name, fmt, args...) \
1264 airo_print(KERN_ERR, name, fmt, ##args)
1267 /***********************************************************************
1269 ***********************************************************************
1272 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1273 static void MoveWindow(miccntx *context, u32 micSeq);
1274 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1275 struct crypto_cipher *tfm);
1276 static void emmh32_init(emmh32_context *context);
1277 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1278 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1279 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1281 /* micinit - Initialize mic seed */
1283 static void micinit(struct airo_info *ai)
1287 clear_bit(JOB_MIC, &ai->jobs);
1288 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1291 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1293 if (ai->micstats.enabled) {
1294 /* Key must be valid and different */
1295 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1296 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1297 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1298 /* Age current mic Context */
1299 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1300 /* Initialize new context */
1301 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1302 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1303 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1304 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1305 ai->mod[0].mCtx.valid = 1; //Key is now valid
1307 /* Give key to mic seed */
1308 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1311 /* Key must be valid and different */
1312 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1313 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1314 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1315 /* Age current mic Context */
1316 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1317 /* Initialize new context */
1318 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1320 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1321 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1322 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1323 ai->mod[0].uCtx.valid = 1; //Key is now valid
1325 //Give key to mic seed
1326 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1329 /* So next time we have a valid key and mic is enabled, we will update
1330 * the sequence number if the key is the same as before.
1332 ai->mod[0].uCtx.valid = 0;
1333 ai->mod[0].mCtx.valid = 0;
1337 /* micsetup - Get ready for business */
1339 static int micsetup(struct airo_info *ai) {
1342 if (ai->tfm == NULL)
1343 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1345 if (IS_ERR(ai->tfm)) {
1346 airo_print_err(ai->dev->name, "failed to load transform for AES");
1351 for (i=0; i < NUM_MODULES; i++) {
1352 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1353 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1358 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1360 /*===========================================================================
1361 * Description: Mic a packet
1363 * Inputs: etherHead * pointer to an 802.3 frame
1365 * Returns: BOOLEAN if successful, otherwise false.
1366 * PacketTxLen will be updated with the mic'd packets size.
1368 * Caveats: It is assumed that the frame buffer will already
1369 * be big enough to hold the largets mic message possible.
1370 * (No memory allocation is done here).
1372 * Author: sbraneky (10/15/01)
1373 * Merciless hacks by rwilcher (1/14/02)
1376 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1380 // Determine correct context
1381 // If not adhoc, always use unicast key
1383 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1384 context = &ai->mod[0].mCtx;
1386 context = &ai->mod[0].uCtx;
1388 if (!context->valid)
1391 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1393 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1396 mic->seq = htonl(context->tx);
1399 emmh32_init(&context->seed); // Mic the packet
1400 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1401 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1402 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1403 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1404 emmh32_final(&context->seed, (u8*)&mic->mic);
1406 /* New Type/length ?????????? */
1407 mic->typelen = 0; //Let NIC know it could be an oversized packet
1419 /*===========================================================================
1420 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1421 * (removes the MIC stuff) if packet is a valid packet.
1423 * Inputs: etherHead pointer to the 802.3 packet
1425 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1427 * Author: sbraneky (10/15/01)
1428 * Merciless hacks by rwilcher (1/14/02)
1429 *---------------------------------------------------------------------------
1432 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1438 mic_error micError = NONE;
1440 // Check if the packet is a Mic'd packet
1442 if (!ai->micstats.enabled) {
1443 //No Mic set or Mic OFF but we received a MIC'd packet.
1444 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1445 ai->micstats.rxMICPlummed++;
1451 if (ntohs(mic->typelen) == 0x888E)
1454 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1455 // Mic enabled but packet isn't Mic'd
1456 ai->micstats.rxMICPlummed++;
1460 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1462 //At this point we a have a mic'd packet and mic is enabled
1463 //Now do the mic error checking.
1465 //Receive seq must be odd
1466 if ( (micSEQ & 1) == 0 ) {
1467 ai->micstats.rxWrongSequence++;
1471 for (i = 0; i < NUM_MODULES; i++) {
1472 int mcast = eth->da[0] & 1;
1473 //Determine proper context
1474 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1476 //Make sure context is valid
1477 if (!context->valid) {
1479 micError = NOMICPLUMMED;
1485 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1487 emmh32_init(&context->seed);
1488 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1489 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1490 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1491 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1493 emmh32_final(&context->seed, digest);
1495 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1498 micError = INCORRECTMIC;
1502 //Check Sequence number if mics pass
1503 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1504 ai->micstats.rxSuccess++;
1508 micError = SEQUENCE;
1511 // Update statistics
1513 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1514 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1515 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1522 /*===========================================================================
1523 * Description: Checks the Rx Seq number to make sure it is valid
1524 * and hasn't already been received
1526 * Inputs: miccntx - mic context to check seq against
1527 * micSeq - the Mic seq number
1529 * Returns: TRUE if valid otherwise FALSE.
1531 * Author: sbraneky (10/15/01)
1532 * Merciless hacks by rwilcher (1/14/02)
1533 *---------------------------------------------------------------------------
1536 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1540 //Allow for the ap being rebooted - if it is then use the next
1541 //sequence number of the current sequence number - might go backwards
1544 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1545 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1546 context->window = (micSeq > 33) ? micSeq : 33;
1547 context->rx = 0; // Reset rx
1549 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1550 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1551 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1552 context->rx = 0; // Reset rx
1555 //Make sequence number relative to START of window
1556 seq = micSeq - (context->window - 33);
1558 //Too old of a SEQ number to check.
1563 //Window is infinite forward
1564 MoveWindow(context,micSeq);
1568 // We are in the window. Now check the context rx bit to see if it was already sent
1569 seq >>= 1; //divide by 2 because we only have odd numbers
1570 index = 1 << seq; //Get an index number
1572 if (!(context->rx & index)) {
1573 //micSEQ falls inside the window.
1574 //Add seqence number to the list of received numbers.
1575 context->rx |= index;
1577 MoveWindow(context,micSeq);
1584 static void MoveWindow(miccntx *context, u32 micSeq)
1588 //Move window if seq greater than the middle of the window
1589 if (micSeq > context->window) {
1590 shift = (micSeq - context->window) >> 1;
1594 context->rx >>= shift;
1598 context->window = micSeq; //Move window
1602 /*==============================================*/
1603 /*========== EMMH ROUTINES ====================*/
1604 /*==============================================*/
1606 /* mic accumulate */
1607 #define MIC_ACCUM(val) \
1608 context->accum += (u64)(val) * context->coeff[coeff_position++];
1610 static unsigned char aes_counter[16];
1612 /* expand the key to fill the MMH coefficient array */
1613 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1614 struct crypto_cipher *tfm)
1616 /* take the keying material, expand if necessary, truncate at 16-bytes */
1617 /* run through AES counter mode to generate context->coeff[] */
1621 u8 *cipher, plain[16];
1623 crypto_cipher_setkey(tfm, pkey, 16);
1625 for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
1626 aes_counter[15] = (u8)(counter >> 0);
1627 aes_counter[14] = (u8)(counter >> 8);
1628 aes_counter[13] = (u8)(counter >> 16);
1629 aes_counter[12] = (u8)(counter >> 24);
1631 memcpy (plain, aes_counter, 16);
1632 crypto_cipher_encrypt_one(tfm, plain, plain);
1634 for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
1635 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1641 /* prepare for calculation of a new mic */
1642 static void emmh32_init(emmh32_context *context)
1644 /* prepare for new mic calculation */
1646 context->position = 0;
1649 /* add some bytes to the mic calculation */
1650 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1652 int coeff_position, byte_position;
1654 if (len == 0) return;
1656 coeff_position = context->position >> 2;
1658 /* deal with partial 32-bit word left over from last update */
1659 byte_position = context->position & 3;
1660 if (byte_position) {
1661 /* have a partial word in part to deal with */
1663 if (len == 0) return;
1664 context->part.d8[byte_position++] = *pOctets++;
1665 context->position++;
1667 } while (byte_position < 4);
1668 MIC_ACCUM(htonl(context->part.d32));
1671 /* deal with full 32-bit words */
1673 MIC_ACCUM(htonl(*(u32 *)pOctets));
1674 context->position += 4;
1679 /* deal with partial 32-bit word that will be left over from this update */
1682 context->part.d8[byte_position++] = *pOctets++;
1683 context->position++;
1688 /* mask used to zero empty bytes for final partial word */
1689 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1691 /* calculate the mic */
1692 static void emmh32_final(emmh32_context *context, u8 digest[4])
1694 int coeff_position, byte_position;
1700 coeff_position = context->position >> 2;
1702 /* deal with partial 32-bit word left over from last update */
1703 byte_position = context->position & 3;
1704 if (byte_position) {
1705 /* have a partial word in part to deal with */
1706 val = htonl(context->part.d32);
1707 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1710 /* reduce the accumulated u64 to a 32-bit MIC */
1711 sum = context->accum;
1712 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1713 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1714 sum = utmp & 0xffffffffLL;
1715 if (utmp > 0x10000000fLL)
1719 digest[0] = (val>>24) & 0xFF;
1720 digest[1] = (val>>16) & 0xFF;
1721 digest[2] = (val>>8) & 0xFF;
1722 digest[3] = val & 0xFF;
1725 static int readBSSListRid(struct airo_info *ai, int first,
1732 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1733 memset(&cmd, 0, sizeof(cmd));
1734 cmd.cmd=CMD_LISTBSS;
1735 if (down_interruptible(&ai->sem))
1736 return -ERESTARTSYS;
1737 ai->list_bss_task = current;
1738 issuecommand(ai, &cmd, &rsp);
1740 /* Let the command take effect */
1741 schedule_timeout_uninterruptible(3 * HZ);
1742 ai->list_bss_task = NULL;
1744 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1745 list, ai->bssListRidLen, 1);
1747 list->len = le16_to_cpu(list->len);
1748 list->index = le16_to_cpu(list->index);
1749 list->radioType = le16_to_cpu(list->radioType);
1750 list->cap = le16_to_cpu(list->cap);
1751 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1752 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1753 list->dsChannel = le16_to_cpu(list->dsChannel);
1754 list->atimWindow = le16_to_cpu(list->atimWindow);
1755 list->dBm = le16_to_cpu(list->dBm);
1759 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1760 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1761 wkr, sizeof(*wkr), lock);
1763 wkr->len = le16_to_cpu(wkr->len);
1764 wkr->kindex = le16_to_cpu(wkr->kindex);
1765 wkr->klen = le16_to_cpu(wkr->klen);
1768 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1769 * the originals when we endian them... */
1770 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1772 WepKeyRid wkr = *pwkr;
1774 wkr.len = cpu_to_le16(wkr.len);
1775 wkr.kindex = cpu_to_le16(wkr.kindex);
1776 wkr.klen = cpu_to_le16(wkr.klen);
1777 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1778 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1780 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1782 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1788 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1790 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1792 ssidr->len = le16_to_cpu(ssidr->len);
1793 for(i = 0; i < 3; i++) {
1794 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1798 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1801 SsidRid ssidr = *pssidr;
1803 ssidr.len = cpu_to_le16(ssidr.len);
1804 for(i = 0; i < 3; i++) {
1805 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1807 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1810 static int readConfigRid(struct airo_info*ai, int lock) {
1818 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1822 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1824 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1825 *s = le16_to_cpu(*s);
1827 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1828 *s = le16_to_cpu(*s);
1830 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1831 *s = cpu_to_le16(*s);
1833 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1834 *s = cpu_to_le16(*s);
1839 static inline void checkThrottle(struct airo_info *ai) {
1841 /* Old hardware had a limit on encryption speed */
1842 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1843 for(i=0; i<8; i++) {
1844 if (ai->config.rates[i] > maxencrypt) {
1845 ai->config.rates[i] = 0;
1850 static int writeConfigRid(struct airo_info*ai, int lock) {
1854 if (!test_bit (FLAG_COMMIT, &ai->flags))
1857 clear_bit (FLAG_COMMIT, &ai->flags);
1858 clear_bit (FLAG_RESET, &ai->flags);
1862 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1863 set_bit(FLAG_ADHOC, &ai->flags);
1865 clear_bit(FLAG_ADHOC, &ai->flags);
1867 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1869 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1870 *s = cpu_to_le16(*s);
1872 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1873 *s = cpu_to_le16(*s);
1875 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1876 *s = cpu_to_le16(*s);
1878 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1879 *s = cpu_to_le16(*s);
1881 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1883 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1884 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1887 statr->len = le16_to_cpu(statr->len);
1888 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1890 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1891 *s = le16_to_cpu(*s);
1892 statr->load = le16_to_cpu(statr->load);
1893 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1896 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1897 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1898 aplr->len = le16_to_cpu(aplr->len);
1901 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1903 aplr->len = cpu_to_le16(aplr->len);
1904 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1907 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1908 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1911 capr->len = le16_to_cpu(capr->len);
1912 capr->prodNum = le16_to_cpu(capr->prodNum);
1913 capr->radioType = le16_to_cpu(capr->radioType);
1914 capr->country = le16_to_cpu(capr->country);
1915 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1916 *s = le16_to_cpu(*s);
1919 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1920 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1923 sr->len = le16_to_cpu(sr->len);
1924 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1928 static int airo_open(struct net_device *dev) {
1929 struct airo_info *info = dev->priv;
1932 if (test_bit(FLAG_FLASHING, &info->flags))
1935 /* Make sure the card is configured.
1936 * Wireless Extensions may postpone config changes until the card
1937 * is open (to pipeline changes and speed-up card setup). If
1938 * those changes are not yet commited, do it now - Jean II */
1939 if (test_bit (FLAG_COMMIT, &info->flags)) {
1940 disable_MAC(info, 1);
1941 writeConfigRid(info, 1);
1944 if (info->wifidev != dev) {
1945 /* Power on the MAC controller (which may have been disabled) */
1946 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1947 enable_interrupts(info);
1949 enable_MAC(info, &rsp, 1);
1951 netif_start_queue(dev);
1955 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1956 int npacks, pending;
1957 unsigned long flags;
1958 struct airo_info *ai = dev->priv;
1961 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1964 npacks = skb_queue_len (&ai->txq);
1966 if (npacks >= MAXTXQ - 1) {
1967 netif_stop_queue (dev);
1968 if (npacks > MAXTXQ) {
1969 ai->stats.tx_fifo_errors++;
1972 skb_queue_tail (&ai->txq, skb);
1976 spin_lock_irqsave(&ai->aux_lock, flags);
1977 skb_queue_tail (&ai->txq, skb);
1978 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1979 spin_unlock_irqrestore(&ai->aux_lock,flags);
1980 netif_wake_queue (dev);
1983 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1984 mpi_send_packet (dev);
1992 * Attempt to transmit a packet. Can be called from interrupt
1993 * or transmit . return number of packets we tried to send
1996 static int mpi_send_packet (struct net_device *dev)
1998 struct sk_buff *skb;
1999 unsigned char *buffer;
2000 s16 len, *payloadLen;
2001 struct airo_info *ai = dev->priv;
2004 /* get a packet to send */
2006 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2007 airo_print_err(dev->name,
2008 "%s: Dequeue'd zero in send_packet()",
2013 /* check min length*/
2014 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2017 ai->txfids[0].tx_desc.offset = 0;
2018 ai->txfids[0].tx_desc.valid = 1;
2019 ai->txfids[0].tx_desc.eoc = 1;
2020 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2023 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2024 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2025 * is immediatly after it. ------------------------------------------------
2026 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2027 * ------------------------------------------------
2030 memcpy((char *)ai->txfids[0].virtual_host_addr,
2031 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2033 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2034 sizeof(wifictlhdr8023));
2035 sendbuf = ai->txfids[0].virtual_host_addr +
2036 sizeof(wifictlhdr8023) + 2 ;
2039 * Firmware automaticly puts 802 header on so
2040 * we don't need to account for it in the length
2042 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2043 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2046 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2049 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2050 ai->txfids[0].tx_desc.len += sizeof(pMic);
2051 /* copy data into airo dma buffer */
2052 memcpy (sendbuf, buffer, sizeof(etherHead));
2053 buffer += sizeof(etherHead);
2054 sendbuf += sizeof(etherHead);
2055 memcpy (sendbuf, &pMic, sizeof(pMic));
2056 sendbuf += sizeof(pMic);
2057 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2059 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2061 dev->trans_start = jiffies;
2063 /* copy data into airo dma buffer */
2064 memcpy(sendbuf, buffer, len);
2067 memcpy_toio(ai->txfids[0].card_ram_off,
2068 &ai->txfids[0].tx_desc, sizeof(TxFid));
2070 OUT4500(ai, EVACK, 8);
2072 dev_kfree_skb_any(skb);
2076 static void get_tx_error(struct airo_info *ai, s32 fid)
2081 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2083 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2085 bap_read(ai, &status, 2, BAP0);
2087 if (le16_to_cpu(status) & 2) /* Too many retries */
2088 ai->stats.tx_aborted_errors++;
2089 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2090 ai->stats.tx_heartbeat_errors++;
2091 if (le16_to_cpu(status) & 8) /* Aid fail */
2093 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2094 ai->stats.tx_carrier_errors++;
2095 if (le16_to_cpu(status) & 0x20) /* Association lost */
2097 /* We produce a TXDROP event only for retry or lifetime
2098 * exceeded, because that's the only status that really mean
2099 * that this particular node went away.
2100 * Other errors means that *we* screwed up. - Jean II */
2101 if ((le16_to_cpu(status) & 2) ||
2102 (le16_to_cpu(status) & 4)) {
2103 union iwreq_data wrqu;
2106 /* Faster to skip over useless data than to do
2107 * another bap_setup(). We are at offset 0x6 and
2108 * need to go to 0x18 and read 6 bytes - Jean II */
2109 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2111 /* Copy 802.11 dest address.
2112 * We use the 802.11 header because the frame may
2113 * not be 802.3 or may be mangled...
2114 * In Ad-Hoc mode, it will be the node address.
2115 * In managed mode, it will be most likely the AP addr
2116 * User space will figure out how to convert it to
2117 * whatever it needs (IP address or else).
2119 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2120 wrqu.addr.sa_family = ARPHRD_ETHER;
2122 /* Send event to user space */
2123 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2127 static void airo_end_xmit(struct net_device *dev) {
2130 struct airo_info *priv = dev->priv;
2131 struct sk_buff *skb = priv->xmit.skb;
2132 int fid = priv->xmit.fid;
2133 u32 *fids = priv->fids;
2135 clear_bit(JOB_XMIT, &priv->jobs);
2136 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2137 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2141 if ( status == SUCCESS ) {
2142 dev->trans_start = jiffies;
2143 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2145 priv->fids[fid] &= 0xffff;
2146 priv->stats.tx_window_errors++;
2148 if (i < MAX_FIDS / 2)
2149 netif_wake_queue(dev);
2153 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2156 struct airo_info *priv = dev->priv;
2157 u32 *fids = priv->fids;
2159 if ( skb == NULL ) {
2160 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2164 /* Find a vacant FID */
2165 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2166 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2168 if ( j >= MAX_FIDS / 2 ) {
2169 netif_stop_queue(dev);
2171 if (i == MAX_FIDS / 2) {
2172 priv->stats.tx_fifo_errors++;
2176 /* check min length*/
2177 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2178 /* Mark fid as used & save length for later */
2179 fids[i] |= (len << 16);
2180 priv->xmit.skb = skb;
2182 if (down_trylock(&priv->sem) != 0) {
2183 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2184 netif_stop_queue(dev);
2185 set_bit(JOB_XMIT, &priv->jobs);
2186 wake_up_interruptible(&priv->thr_wait);
2192 static void airo_end_xmit11(struct net_device *dev) {
2195 struct airo_info *priv = dev->priv;
2196 struct sk_buff *skb = priv->xmit11.skb;
2197 int fid = priv->xmit11.fid;
2198 u32 *fids = priv->fids;
2200 clear_bit(JOB_XMIT11, &priv->jobs);
2201 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2202 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2206 if ( status == SUCCESS ) {
2207 dev->trans_start = jiffies;
2208 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2210 priv->fids[fid] &= 0xffff;
2211 priv->stats.tx_window_errors++;
2214 netif_wake_queue(dev);
2218 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2221 struct airo_info *priv = dev->priv;
2222 u32 *fids = priv->fids;
2224 if (test_bit(FLAG_MPI, &priv->flags)) {
2225 /* Not implemented yet for MPI350 */
2226 netif_stop_queue(dev);
2230 if ( skb == NULL ) {
2231 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2235 /* Find a vacant FID */
2236 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2237 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2239 if ( j >= MAX_FIDS ) {
2240 netif_stop_queue(dev);
2242 if (i == MAX_FIDS) {
2243 priv->stats.tx_fifo_errors++;
2247 /* check min length*/
2248 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2249 /* Mark fid as used & save length for later */
2250 fids[i] |= (len << 16);
2251 priv->xmit11.skb = skb;
2252 priv->xmit11.fid = i;
2253 if (down_trylock(&priv->sem) != 0) {
2254 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2255 netif_stop_queue(dev);
2256 set_bit(JOB_XMIT11, &priv->jobs);
2257 wake_up_interruptible(&priv->thr_wait);
2259 airo_end_xmit11(dev);
2263 static void airo_read_stats(struct airo_info *ai) {
2265 u32 *vals = stats_rid.vals;
2267 clear_bit(JOB_STATS, &ai->jobs);
2268 if (ai->power.event) {
2272 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2275 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2276 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2277 ai->stats.rx_bytes = vals[92];
2278 ai->stats.tx_bytes = vals[91];
2279 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2280 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2281 ai->stats.multicast = vals[43];
2282 ai->stats.collisions = vals[89];
2284 /* detailed rx_errors: */
2285 ai->stats.rx_length_errors = vals[3];
2286 ai->stats.rx_crc_errors = vals[4];
2287 ai->stats.rx_frame_errors = vals[2];
2288 ai->stats.rx_fifo_errors = vals[0];
2291 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2293 struct airo_info *local = dev->priv;
2295 if (!test_bit(JOB_STATS, &local->jobs)) {
2296 /* Get stats out of the card if available */
2297 if (down_trylock(&local->sem) != 0) {
2298 set_bit(JOB_STATS, &local->jobs);
2299 wake_up_interruptible(&local->thr_wait);
2301 airo_read_stats(local);
2304 return &local->stats;
2307 static void airo_set_promisc(struct airo_info *ai) {
2311 memset(&cmd, 0, sizeof(cmd));
2312 cmd.cmd=CMD_SETMODE;
2313 clear_bit(JOB_PROMISC, &ai->jobs);
2314 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2315 issuecommand(ai, &cmd, &rsp);
2319 static void airo_set_multicast_list(struct net_device *dev) {
2320 struct airo_info *ai = dev->priv;
2322 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2323 change_bit(FLAG_PROMISC, &ai->flags);
2324 if (down_trylock(&ai->sem) != 0) {
2325 set_bit(JOB_PROMISC, &ai->jobs);
2326 wake_up_interruptible(&ai->thr_wait);
2328 airo_set_promisc(ai);
2331 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2332 /* Turn on multicast. (Should be already setup...) */
2336 static int airo_set_mac_address(struct net_device *dev, void *p)
2338 struct airo_info *ai = dev->priv;
2339 struct sockaddr *addr = p;
2342 readConfigRid(ai, 1);
2343 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2344 set_bit (FLAG_COMMIT, &ai->flags);
2346 writeConfigRid (ai, 1);
2347 enable_MAC(ai, &rsp, 1);
2348 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2350 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2354 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2356 if ((new_mtu < 68) || (new_mtu > 2400))
2363 static int airo_close(struct net_device *dev) {
2364 struct airo_info *ai = dev->priv;
2366 netif_stop_queue(dev);
2368 if (ai->wifidev != dev) {
2369 #ifdef POWER_ON_DOWN
2370 /* Shut power to the card. The idea is that the user can save
2371 * power when he doesn't need the card with "ifconfig down".
2372 * That's the method that is most friendly towards the network
2373 * stack (i.e. the network stack won't try to broadcast
2374 * anything on the interface and routes are gone. Jean II */
2375 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2378 disable_interrupts( ai );
2383 static void del_airo_dev( struct net_device *dev );
2385 void stop_airo_card( struct net_device *dev, int freeres )
2387 struct airo_info *ai = dev->priv;
2389 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2391 disable_interrupts(ai);
2392 free_irq( dev->irq, dev );
2393 takedown_proc_entry( dev, ai );
2394 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2395 unregister_netdev( dev );
2397 unregister_netdev(ai->wifidev);
2398 free_netdev(ai->wifidev);
2401 clear_bit(FLAG_REGISTERED, &ai->flags);
2403 set_bit(JOB_DIE, &ai->jobs);
2404 kthread_stop(ai->airo_thread_task);
2407 * Clean out tx queue
2409 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2410 struct sk_buff *skb = NULL;
2411 for (;(skb = skb_dequeue(&ai->txq));)
2415 airo_networks_free (ai);
2422 /* PCMCIA frees this stuff, so only for PCI and ISA */
2423 release_region( dev->base_addr, 64 );
2424 if (test_bit(FLAG_MPI, &ai->flags)) {
2426 mpi_unmap_card(ai->pci);
2428 iounmap(ai->pcimem);
2430 iounmap(ai->pciaux);
2431 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2432 ai->shared, ai->shared_dma);
2435 crypto_free_cipher(ai->tfm);
2436 del_airo_dev( dev );
2440 EXPORT_SYMBOL(stop_airo_card);
2442 static int add_airo_dev( struct net_device *dev );
2444 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2446 memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
2450 static void mpi_unmap_card(struct pci_dev *pci)
2452 unsigned long mem_start = pci_resource_start(pci, 1);
2453 unsigned long mem_len = pci_resource_len(pci, 1);
2454 unsigned long aux_start = pci_resource_start(pci, 2);
2455 unsigned long aux_len = AUXMEMSIZE;
2457 release_mem_region(aux_start, aux_len);
2458 release_mem_region(mem_start, mem_len);
2461 /*************************************************************
2462 * This routine assumes that descriptors have been setup .
2463 * Run at insmod time or after reset when the decriptors
2464 * have been initialized . Returns 0 if all is well nz
2465 * otherwise . Does not allocate memory but sets up card
2466 * using previously allocated descriptors.
2468 static int mpi_init_descriptors (struct airo_info *ai)
2475 /* Alloc card RX descriptors */
2476 netif_stop_queue(ai->dev);
2478 memset(&rsp,0,sizeof(rsp));
2479 memset(&cmd,0,sizeof(cmd));
2481 cmd.cmd = CMD_ALLOCATEAUX;
2483 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2484 cmd.parm2 = MPI_MAX_FIDS;
2485 rc=issuecommand(ai, &cmd, &rsp);
2486 if (rc != SUCCESS) {
2487 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2491 for (i=0; i<MPI_MAX_FIDS; i++) {
2492 memcpy_toio(ai->rxfids[i].card_ram_off,
2493 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2496 /* Alloc card TX descriptors */
2498 memset(&rsp,0,sizeof(rsp));
2499 memset(&cmd,0,sizeof(cmd));
2501 cmd.cmd = CMD_ALLOCATEAUX;
2503 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2504 cmd.parm2 = MPI_MAX_FIDS;
2506 for (i=0; i<MPI_MAX_FIDS; i++) {
2507 ai->txfids[i].tx_desc.valid = 1;
2508 memcpy_toio(ai->txfids[i].card_ram_off,
2509 &ai->txfids[i].tx_desc, sizeof(TxFid));
2511 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2513 rc=issuecommand(ai, &cmd, &rsp);
2514 if (rc != SUCCESS) {
2515 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2519 /* Alloc card Rid descriptor */
2520 memset(&rsp,0,sizeof(rsp));
2521 memset(&cmd,0,sizeof(cmd));
2523 cmd.cmd = CMD_ALLOCATEAUX;
2525 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2526 cmd.parm2 = 1; /* Magic number... */
2527 rc=issuecommand(ai, &cmd, &rsp);
2528 if (rc != SUCCESS) {
2529 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2533 memcpy_toio(ai->config_desc.card_ram_off,
2534 &ai->config_desc.rid_desc, sizeof(Rid));
2540 * We are setting up three things here:
2541 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2542 * 2) Map PCI memory for issueing commands.
2543 * 3) Allocate memory (shared) to send and receive ethernet frames.
2545 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2548 unsigned long mem_start, mem_len, aux_start, aux_len;
2551 dma_addr_t busaddroff;
2552 unsigned char *vpackoff;
2553 unsigned char __iomem *pciaddroff;
2555 mem_start = pci_resource_start(pci, 1);
2556 mem_len = pci_resource_len(pci, 1);
2557 aux_start = pci_resource_start(pci, 2);
2558 aux_len = AUXMEMSIZE;
2560 if (!request_mem_region(mem_start, mem_len, name)) {
2561 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2562 (int)mem_start, (int)mem_len, name);
2565 if (!request_mem_region(aux_start, aux_len, name)) {
2566 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2567 (int)aux_start, (int)aux_len, name);
2571 ai->pcimem = ioremap(mem_start, mem_len);
2573 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2574 (int)mem_start, (int)mem_len, name);
2577 ai->pciaux = ioremap(aux_start, aux_len);
2579 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2580 (int)aux_start, (int)aux_len, name);
2584 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2585 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2587 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2593 * Setup descriptor RX, TX, CONFIG
2595 busaddroff = ai->shared_dma;
2596 pciaddroff = ai->pciaux + AUX_OFFSET;
2597 vpackoff = ai->shared;
2599 /* RX descriptor setup */
2600 for(i = 0; i < MPI_MAX_FIDS; i++) {
2601 ai->rxfids[i].pending = 0;
2602 ai->rxfids[i].card_ram_off = pciaddroff;
2603 ai->rxfids[i].virtual_host_addr = vpackoff;
2604 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2605 ai->rxfids[i].rx_desc.valid = 1;
2606 ai->rxfids[i].rx_desc.len = PKTSIZE;
2607 ai->rxfids[i].rx_desc.rdy = 0;
2609 pciaddroff += sizeof(RxFid);
2610 busaddroff += PKTSIZE;
2611 vpackoff += PKTSIZE;
2614 /* TX descriptor setup */
2615 for(i = 0; i < MPI_MAX_FIDS; i++) {
2616 ai->txfids[i].card_ram_off = pciaddroff;
2617 ai->txfids[i].virtual_host_addr = vpackoff;
2618 ai->txfids[i].tx_desc.valid = 1;
2619 ai->txfids[i].tx_desc.host_addr = busaddroff;
2620 memcpy(ai->txfids[i].virtual_host_addr,
2621 &wifictlhdr8023, sizeof(wifictlhdr8023));
2623 pciaddroff += sizeof(TxFid);
2624 busaddroff += PKTSIZE;
2625 vpackoff += PKTSIZE;
2627 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2629 /* Rid descriptor setup */
2630 ai->config_desc.card_ram_off = pciaddroff;
2631 ai->config_desc.virtual_host_addr = vpackoff;
2632 ai->config_desc.rid_desc.host_addr = busaddroff;
2633 ai->ridbus = busaddroff;
2634 ai->config_desc.rid_desc.rid = 0;
2635 ai->config_desc.rid_desc.len = RIDSIZE;
2636 ai->config_desc.rid_desc.valid = 1;
2637 pciaddroff += sizeof(Rid);
2638 busaddroff += RIDSIZE;
2639 vpackoff += RIDSIZE;
2641 /* Tell card about descriptors */
2642 if (mpi_init_descriptors (ai) != SUCCESS)
2647 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2649 iounmap(ai->pciaux);
2651 iounmap(ai->pcimem);
2653 release_mem_region(aux_start, aux_len);
2655 release_mem_region(mem_start, mem_len);
2660 static void wifi_setup(struct net_device *dev)
2662 dev->hard_header = NULL;
2663 dev->rebuild_header = NULL;
2664 dev->hard_header_cache = NULL;
2665 dev->header_cache_update= NULL;
2667 dev->hard_header_parse = wll_header_parse;
2668 dev->hard_start_xmit = &airo_start_xmit11;
2669 dev->get_stats = &airo_get_stats;
2670 dev->set_mac_address = &airo_set_mac_address;
2671 dev->do_ioctl = &airo_ioctl;
2672 dev->wireless_handlers = &airo_handler_def;
2673 dev->change_mtu = &airo_change_mtu;
2674 dev->open = &airo_open;
2675 dev->stop = &airo_close;
2677 dev->type = ARPHRD_IEEE80211;
2678 dev->hard_header_len = ETH_HLEN;
2679 dev->mtu = AIRO_DEF_MTU;
2680 dev->addr_len = ETH_ALEN;
2681 dev->tx_queue_len = 100;
2683 memset(dev->broadcast,0xFF, ETH_ALEN);
2685 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2688 static struct net_device *init_wifidev(struct airo_info *ai,
2689 struct net_device *ethdev)
2692 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2695 dev->priv = ethdev->priv;
2696 dev->irq = ethdev->irq;
2697 dev->base_addr = ethdev->base_addr;
2698 dev->wireless_data = ethdev->wireless_data;
2699 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2700 err = register_netdev(dev);
2708 static int reset_card( struct net_device *dev , int lock) {
2709 struct airo_info *ai = dev->priv;
2711 if (lock && down_interruptible(&ai->sem))
2714 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2723 #define AIRO_MAX_NETWORK_COUNT 64
2724 static int airo_networks_allocate(struct airo_info *ai)
2730 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2732 if (!ai->networks) {
2733 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2740 static void airo_networks_free(struct airo_info *ai)
2744 kfree(ai->networks);
2745 ai->networks = NULL;
2748 static void airo_networks_initialize(struct airo_info *ai)
2752 INIT_LIST_HEAD(&ai->network_free_list);
2753 INIT_LIST_HEAD(&ai->network_list);
2754 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2755 list_add_tail(&ai->networks[i].list,
2756 &ai->network_free_list);
2759 static int airo_test_wpa_capable(struct airo_info *ai)
2762 CapabilityRid cap_rid;
2763 const char *name = ai->dev->name;
2765 status = readCapabilityRid(ai, &cap_rid, 1);
2766 if (status != SUCCESS) return 0;
2768 /* Only firmware versions 5.30.17 or better can do WPA */
2769 if ((cap_rid.softVer > 0x530)
2770 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2771 airo_print_info(name, "WPA is supported.");
2775 /* No WPA support */
2776 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2777 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2781 static struct net_device *_init_airo_card( unsigned short irq, int port,
2782 int is_pcmcia, struct pci_dev *pci,
2783 struct device *dmdev )
2785 struct net_device *dev;
2786 struct airo_info *ai;
2789 /* Create the network device object. */
2790 dev = alloc_etherdev(sizeof(*ai));
2792 airo_print_err("", "Couldn't alloc_etherdev");
2795 if (dev_alloc_name(dev, dev->name) < 0) {
2796 airo_print_err("", "Couldn't get name!");
2805 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2806 airo_print_dbg(dev->name, "Found an MPI350 card");
2807 set_bit(FLAG_MPI, &ai->flags);
2809 spin_lock_init(&ai->aux_lock);
2810 sema_init(&ai->sem, 1);
2813 init_waitqueue_head (&ai->thr_wait);
2814 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2815 if (IS_ERR(ai->airo_thread_task))
2818 rc = add_airo_dev( dev );
2822 if (airo_networks_allocate (ai))
2823 goto err_out_unlink;
2824 airo_networks_initialize (ai);
2826 /* The Airo-specific entries in the device structure. */
2827 if (test_bit(FLAG_MPI,&ai->flags)) {
2828 skb_queue_head_init (&ai->txq);
2829 dev->hard_start_xmit = &mpi_start_xmit;
2831 dev->hard_start_xmit = &airo_start_xmit;
2832 dev->get_stats = &airo_get_stats;
2833 dev->set_multicast_list = &airo_set_multicast_list;
2834 dev->set_mac_address = &airo_set_mac_address;
2835 dev->do_ioctl = &airo_ioctl;
2836 dev->wireless_handlers = &airo_handler_def;
2837 ai->wireless_data.spy_data = &ai->spy_data;
2838 dev->wireless_data = &ai->wireless_data;
2839 dev->change_mtu = &airo_change_mtu;
2840 dev->open = &airo_open;
2841 dev->stop = &airo_close;
2843 dev->base_addr = port;
2845 SET_NETDEV_DEV(dev, dmdev);
2847 reset_card (dev, 1);
2850 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2852 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2854 goto err_out_unlink;
2857 if (!request_region( dev->base_addr, 64, dev->name )) {
2859 airo_print_err(dev->name, "Couldn't request region");
2864 if (test_bit(FLAG_MPI,&ai->flags)) {
2865 if (mpi_map_card(ai, pci, dev->name)) {
2866 airo_print_err(dev->name, "Could not map memory");
2872 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2873 airo_print_err(dev->name, "MAC could not be enabled" );
2877 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2878 ai->bap_read = fast_bap_read;
2879 set_bit(FLAG_FLASHING, &ai->flags);
2882 /* Test for WPA support */
2883 if (airo_test_wpa_capable(ai)) {
2884 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2885 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2886 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2887 ai->bssListRidLen = sizeof(BSSListRid);
2889 ai->bssListFirst = RID_BSSLISTFIRST;
2890 ai->bssListNext = RID_BSSLISTNEXT;
2891 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2894 rc = register_netdev(dev);
2896 airo_print_err(dev->name, "Couldn't register_netdev");
2899 ai->wifidev = init_wifidev(ai, dev);
2901 set_bit(FLAG_REGISTERED,&ai->flags);
2902 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2903 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2904 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2906 /* Allocate the transmit buffers */
2907 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2908 for( i = 0; i < MAX_FIDS; i++ )
2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2911 setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
2912 netif_start_queue(dev);
2913 SET_MODULE_OWNER(dev);
2917 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2918 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2919 iounmap(ai->pciaux);
2920 iounmap(ai->pcimem);
2921 mpi_unmap_card(ai->pci);
2925 release_region( dev->base_addr, 64 );
2927 free_irq(dev->irq, dev);
2931 set_bit(JOB_DIE, &ai->jobs);
2932 kthread_stop(ai->airo_thread_task);
2938 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2939 struct device *dmdev)
2941 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2944 EXPORT_SYMBOL(init_airo_card);
2946 static int waitbusy (struct airo_info *ai) {
2948 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2950 if ((++delay % 20) == 0)
2951 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2953 return delay < 10000;
2956 int reset_airo_card( struct net_device *dev )
2959 struct airo_info *ai = dev->priv;
2961 if (reset_card (dev, 1))
2964 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2965 airo_print_err(dev->name, "MAC could not be enabled");
2968 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2969 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2970 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2971 /* Allocate the transmit buffers if needed */
2972 if (!test_bit(FLAG_MPI,&ai->flags))
2973 for( i = 0; i < MAX_FIDS; i++ )
2974 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2976 enable_interrupts( ai );
2977 netif_wake_queue(dev);
2981 EXPORT_SYMBOL(reset_airo_card);
2983 static void airo_send_event(struct net_device *dev) {
2984 struct airo_info *ai = dev->priv;
2985 union iwreq_data wrqu;
2986 StatusRid status_rid;
2988 clear_bit(JOB_EVENT, &ai->jobs);
2989 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
2991 wrqu.data.length = 0;
2992 wrqu.data.flags = 0;
2993 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
2994 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
2996 /* Send event to user space */
2997 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3000 static void airo_process_scan_results (struct airo_info *ai) {
3001 union iwreq_data wrqu;
3004 BSSListElement * loop_net;
3005 BSSListElement * tmp_net;
3007 /* Blow away current list of scan results */
3008 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3009 list_move_tail (&loop_net->list, &ai->network_free_list);
3010 /* Don't blow away ->list, just BSS data */
3011 memset (loop_net, 0, sizeof (loop_net->bss));
3014 /* Try to read the first entry of the scan result */
3015 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3016 if((rc) || (bss.index == 0xffff)) {
3017 /* No scan results */
3021 /* Read and parse all entries */
3023 while((!rc) && (bss.index != 0xffff)) {
3024 /* Grab a network off the free list */
3025 if (!list_empty(&ai->network_free_list)) {
3026 tmp_net = list_entry(ai->network_free_list.next,
3027 BSSListElement, list);
3028 list_del(ai->network_free_list.next);
3031 if (tmp_net != NULL) {
3032 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3033 list_add_tail(&tmp_net->list, &ai->network_list);
3037 /* Read next entry */
3038 rc = PC4500_readrid(ai, ai->bssListNext,
3039 &bss, ai->bssListRidLen, 0);
3043 ai->scan_timeout = 0;
3044 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3047 /* Send an empty event to user space.
3048 * We don't send the received data on
3049 * the event because it would require
3050 * us to do complex transcoding, and
3051 * we want to minimise the work done in
3052 * the irq handler. Use a request to
3053 * extract the data - Jean II */
3054 wrqu.data.length = 0;
3055 wrqu.data.flags = 0;
3056 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3059 static int airo_thread(void *data) {
3060 struct net_device *dev = data;
3061 struct airo_info *ai = dev->priv;
3065 /* make swsusp happy with our thread */
3068 if (test_bit(JOB_DIE, &ai->jobs))
3072 locked = down_interruptible(&ai->sem);
3076 init_waitqueue_entry(&wait, current);
3077 add_wait_queue(&ai->thr_wait, &wait);
3079 set_current_state(TASK_INTERRUPTIBLE);
3082 if (ai->expires || ai->scan_timeout) {
3083 if (ai->scan_timeout &&
3084 time_after_eq(jiffies,ai->scan_timeout)){
3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3087 } else if (ai->expires &&
3088 time_after_eq(jiffies,ai->expires)){
3089 set_bit(JOB_AUTOWEP, &ai->jobs);
3092 if (!kthread_should_stop()) {
3093 unsigned long wake_at;
3094 if (!ai->expires || !ai->scan_timeout) {
3095 wake_at = max(ai->expires,
3098 wake_at = min(ai->expires,
3101 schedule_timeout(wake_at - jiffies);
3104 } else if (!kthread_should_stop()) {
3110 current->state = TASK_RUNNING;
3111 remove_wait_queue(&ai->thr_wait, &wait);
3118 if (test_bit(JOB_DIE, &ai->jobs)) {
3123 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3128 if (test_bit(JOB_XMIT, &ai->jobs))
3130 else if (test_bit(JOB_XMIT11, &ai->jobs))
3131 airo_end_xmit11(dev);
3132 else if (test_bit(JOB_STATS, &ai->jobs))
3133 airo_read_stats(ai);
3134 else if (test_bit(JOB_WSTATS, &ai->jobs))
3135 airo_read_wireless_stats(ai);
3136 else if (test_bit(JOB_PROMISC, &ai->jobs))
3137 airo_set_promisc(ai);
3138 else if (test_bit(JOB_MIC, &ai->jobs))
3140 else if (test_bit(JOB_EVENT, &ai->jobs))
3141 airo_send_event(dev);
3142 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3144 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3145 airo_process_scan_results(ai);
3146 else /* Shouldn't get here, but we make sure to unlock */
3153 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3154 struct net_device *dev = (struct net_device *)dev_id;
3157 struct airo_info *apriv = dev->priv;
3158 u16 savedInterrupts = 0;
3161 if (!netif_device_present(dev))
3165 status = IN4500( apriv, EVSTAT );
3166 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3170 if ( status & EV_AWAKE ) {
3171 OUT4500( apriv, EVACK, EV_AWAKE );
3172 OUT4500( apriv, EVACK, EV_AWAKE );
3175 if (!savedInterrupts) {
3176 savedInterrupts = IN4500( apriv, EVINTEN );
3177 OUT4500( apriv, EVINTEN, 0 );
3180 if ( status & EV_MIC ) {
3181 OUT4500( apriv, EVACK, EV_MIC );
3182 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3183 set_bit(JOB_MIC, &apriv->jobs);
3184 wake_up_interruptible(&apriv->thr_wait);
3187 if ( status & EV_LINK ) {
3188 union iwreq_data wrqu;
3189 int scan_forceloss = 0;
3190 /* The link status has changed, if you want to put a
3191 monitor hook in, do it here. (Remember that
3192 interrupts are still disabled!)
3194 u16 newStatus = IN4500(apriv, LINKSTAT);
3195 OUT4500( apriv, EVACK, EV_LINK);
3196 /* Here is what newStatus means: */
3197 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3198 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3199 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3200 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3201 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3202 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3203 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3204 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3206 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3208 #define ASSOCIATED 0x0400 /* Associated */
3209 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3210 #define RC_RESERVED 0 /* Reserved return code */
3211 #define RC_NOREASON 1 /* Unspecified reason */
3212 #define RC_AUTHINV 2 /* Previous authentication invalid */
3213 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3215 #define RC_NOACT 4 /* Disassociated due to inactivity */
3216 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3217 all currently associated stations */
3218 #define RC_BADCLASS2 6 /* Class 2 frame received from
3219 non-Authenticated station */
3220 #define RC_BADCLASS3 7 /* Class 3 frame received from
3221 non-Associated station */
3222 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3224 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3225 Authenticated with the responding station */
3226 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3228 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3231 if (apriv->list_bss_task)
3232 wake_up_process(apriv->list_bss_task);
3233 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3234 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3236 if (down_trylock(&apriv->sem) != 0) {
3237 set_bit(JOB_EVENT, &apriv->jobs);
3238 wake_up_interruptible(&apriv->thr_wait);
3240 airo_send_event(dev);
3241 } else if (!scan_forceloss) {
3242 if (auto_wep && !apriv->expires) {
3243 apriv->expires = RUN_AT(3*HZ);
3244 wake_up_interruptible(&apriv->thr_wait);
3247 /* Send event to user space */
3248 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3249 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3250 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3254 /* Check to see if there is something to receive */
3255 if ( status & EV_RX ) {
3256 struct sk_buff *skb = NULL;
3257 u16 fc, len, hdrlen = 0;
3271 if (test_bit(FLAG_MPI,&apriv->flags)) {
3272 if (test_bit(FLAG_802_11, &apriv->flags))
3273 mpi_receive_802_11(apriv);
3275 mpi_receive_802_3(apriv);
3276 OUT4500(apriv, EVACK, EV_RX);
3280 fid = IN4500( apriv, RXFID );
3282 /* Get the packet length */
3283 if (test_bit(FLAG_802_11, &apriv->flags)) {
3284 bap_setup (apriv, fid, 4, BAP0);
3285 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3286 /* Bad CRC. Ignore packet */
3287 if (le16_to_cpu(hdr.status) & 2)
3289 if (apriv->wifidev == NULL)
3292 bap_setup (apriv, fid, 0x36, BAP0);
3293 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3295 len = le16_to_cpu(hdr.len);
3297 if (len > AIRO_DEF_MTU) {
3298 airo_print_err(apriv->dev->name, "Bad size %d", len);
3304 if (test_bit(FLAG_802_11, &apriv->flags)) {
3305 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3306 fc = le16_to_cpu(fc);
3309 if ((fc & 0xe0) == 0xc0)
3315 if ((fc&0x300)==0x300){
3323 hdrlen = ETH_ALEN * 2;
3325 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3327 apriv->stats.rx_dropped++;
3330 skb_reserve(skb, 2); /* This way the IP header is aligned */
3331 buffer = (u16*)skb_put (skb, len + hdrlen);
3332 if (test_bit(FLAG_802_11, &apriv->flags)) {
3334 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3336 bap_read (apriv, tmpbuf, 6, BAP0);
3338 bap_read (apriv, &gap, sizeof(gap), BAP0);
3339 gap = le16_to_cpu(gap);
3342 bap_read (apriv, tmpbuf, gap, BAP0);
3344 airo_print_err(apriv->dev->name, "gaplen too "
3345 "big. Problems will follow...");
3348 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3351 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3352 if (apriv->micstats.enabled) {
3353 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3354 if (ntohs(micbuf.typelen) > 0x05DC)
3355 bap_setup (apriv, fid, 0x44, BAP0);
3357 if (len <= sizeof(micbuf))
3360 len -= sizeof(micbuf);
3361 skb_trim (skb, len + hdrlen);
3364 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3365 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3367 dev_kfree_skb_irq (skb);
3369 OUT4500( apriv, EVACK, EV_RX);
3374 if (apriv->spy_data.spy_number > 0) {
3376 struct iw_quality wstats;
3377 /* Prepare spy data : addr + qual */
3378 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3379 sa = (char*)buffer + 6;
3380 bap_setup (apriv, fid, 8, BAP0);
3381 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3383 sa = (char*)buffer + 10;
3384 wstats.qual = hdr.rssi[0];
3386 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3388 wstats.level = (hdr.rssi[1] + 321) / 2;
3389 wstats.noise = apriv->wstats.qual.noise;
3390 wstats.updated = IW_QUAL_LEVEL_UPDATED
3391 | IW_QUAL_QUAL_UPDATED
3393 /* Update spy records */
3394 wireless_spy_update(dev, sa, &wstats);
3396 #endif /* WIRELESS_SPY */
3397 OUT4500( apriv, EVACK, EV_RX);
3399 if (test_bit(FLAG_802_11, &apriv->flags)) {
3400 skb->mac.raw = skb->data;
3401 skb->pkt_type = PACKET_OTHERHOST;
3402 skb->dev = apriv->wifidev;
3403 skb->protocol = htons(ETH_P_802_2);
3406 skb->protocol = eth_type_trans(skb,dev);
3408 skb->dev->last_rx = jiffies;
3409 skb->ip_summed = CHECKSUM_NONE;
3415 /* Check to see if a packet has been transmitted */
3416 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3421 if (test_bit(FLAG_MPI,&apriv->flags)) {
3422 unsigned long flags;
3424 if (status & EV_TXEXC)
3425 get_tx_error(apriv, -1);
3426 spin_lock_irqsave(&apriv->aux_lock, flags);
3427 if (!skb_queue_empty(&apriv->txq)) {
3428 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3429 mpi_send_packet (dev);
3431 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3432 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3433 netif_wake_queue (dev);
3435 OUT4500( apriv, EVACK,
3436 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3440 fid = IN4500(apriv, TXCOMPLFID);
3442 for( i = 0; i < MAX_FIDS; i++ ) {
3443 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3444 len = apriv->fids[i] >> 16;
3449 if (status & EV_TXEXC)
3450 get_tx_error(apriv, index);
3451 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3452 /* Set up to be used again */
3453 apriv->fids[index] &= 0xffff;
3454 if (index < MAX_FIDS / 2) {
3455 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3456 netif_wake_queue(dev);
3458 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3459 netif_wake_queue(apriv->wifidev);
3462 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3463 airo_print_err(apriv->dev->name, "Unallocated FID was "
3468 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3469 airo_print_warn(apriv->dev->name, "Got weird status %x",
3470 status & ~STATUS_INTS & ~IGNORE_INTS );
3473 if (savedInterrupts)
3474 OUT4500( apriv, EVINTEN, savedInterrupts );
3477 return IRQ_RETVAL(handled);
3481 * Routines to talk to the card
3485 * This was originally written for the 4500, hence the name
3486 * NOTE: If use with 8bit mode and SMP bad things will happen!
3487 * Why would some one do 8 bit IO in an SMP machine?!?
3489 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3490 if (test_bit(FLAG_MPI,&ai->flags))
3493 outw( val, ai->dev->base_addr + reg );
3495 outb( val & 0xff, ai->dev->base_addr + reg );
3496 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3500 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3503 if (test_bit(FLAG_MPI,&ai->flags))
3506 rc = inw( ai->dev->base_addr + reg );
3508 rc = inb( ai->dev->base_addr + reg );
3509 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3514 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3518 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3519 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3520 * Note : we could try to use !netif_running(dev) in enable_MAC()
3521 * instead of this flag, but I don't trust it *within* the
3522 * open/close functions, and testing both flags together is
3523 * "cheaper" - Jean II */
3524 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3526 if (lock && down_interruptible(&ai->sem))
3527 return -ERESTARTSYS;
3529 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3530 memset(&cmd, 0, sizeof(cmd));
3531 cmd.cmd = MAC_ENABLE;
3532 rc = issuecommand(ai, &cmd, rsp);
3534 set_bit(FLAG_ENABLED, &ai->flags);
3542 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3547 static void disable_MAC( struct airo_info *ai, int lock ) {
3551 if (lock && down_interruptible(&ai->sem))
3554 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3555 memset(&cmd, 0, sizeof(cmd));
3556 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3557 issuecommand(ai, &cmd, &rsp);
3558 clear_bit(FLAG_ENABLED, &ai->flags);
3564 static void enable_interrupts( struct airo_info *ai ) {
3565 /* Enable the interrupts */
3566 OUT4500( ai, EVINTEN, STATUS_INTS );
3569 static void disable_interrupts( struct airo_info *ai ) {
3570 OUT4500( ai, EVINTEN, 0 );
3573 static void mpi_receive_802_3(struct airo_info *ai)
3577 struct sk_buff *skb;
3582 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3583 /* Make sure we got something */
3584 if (rxd.rdy && rxd.valid == 0) {
3586 if (len < 12 || len > 2048)
3589 skb = dev_alloc_skb(len);
3591 ai->stats.rx_dropped++;
3594 buffer = skb_put(skb,len);
3595 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3596 if (ai->micstats.enabled) {
3598 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3600 if (ntohs(micbuf.typelen) <= 0x05DC) {
3601 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3604 off = sizeof(micbuf);
3605 skb_trim (skb, len - off);
3608 memcpy(buffer + ETH_ALEN * 2,
3609 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3610 len - ETH_ALEN * 2 - off);
3611 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3613 dev_kfree_skb_irq (skb);
3617 if (ai->spy_data.spy_number > 0) {
3619 struct iw_quality wstats;
3620 /* Prepare spy data : addr + qual */
3621 sa = buffer + ETH_ALEN;
3622 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3625 /* Update spy records */
3626 wireless_spy_update(ai->dev, sa, &wstats);
3628 #endif /* WIRELESS_SPY */
3631 skb->ip_summed = CHECKSUM_NONE;
3632 skb->protocol = eth_type_trans(skb, ai->dev);
3633 skb->dev->last_rx = jiffies;
3637 if (rxd.valid == 0) {
3641 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3645 void mpi_receive_802_11 (struct airo_info *ai)
3648 struct sk_buff *skb = NULL;
3649 u16 fc, len, hdrlen = 0;
3661 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3663 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3664 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3666 /* Bad CRC. Ignore packet */
3667 if (le16_to_cpu(hdr.status) & 2)
3669 if (ai->wifidev == NULL)
3671 len = le16_to_cpu(hdr.len);
3672 if (len > AIRO_DEF_MTU) {
3673 airo_print_err(ai->dev->name, "Bad size %d", len);
3679 memcpy ((char *)&fc, ptr, sizeof(fc));
3680 fc = le16_to_cpu(fc);
3683 if ((fc & 0xe0) == 0xc0)
3689 if ((fc&0x300)==0x300){
3697 skb = dev_alloc_skb( len + hdrlen + 2 );
3699 ai->stats.rx_dropped++;
3702 buffer = (u16*)skb_put (skb, len + hdrlen);
3703 memcpy ((char *)buffer, ptr, hdrlen);
3707 memcpy ((char *)&gap, ptr, sizeof(gap));
3709 gap = le16_to_cpu(gap);
3714 airo_print_err(ai->dev->name,
3715 "gaplen too big. Problems will follow...");
3717 memcpy ((char *)buffer + hdrlen, ptr, len);
3719 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3720 if (ai->spy_data.spy_number > 0) {
3722 struct iw_quality wstats;
3723 /* Prepare spy data : addr + qual */
3724 sa = (char*)buffer + 10;
3725 wstats.qual = hdr.rssi[0];
3727 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3729 wstats.level = (hdr.rssi[1] + 321) / 2;
3730 wstats.noise = ai->wstats.qual.noise;
3731 wstats.updated = IW_QUAL_QUAL_UPDATED
3732 | IW_QUAL_LEVEL_UPDATED
3734 /* Update spy records */
3735 wireless_spy_update(ai->dev, sa, &wstats);
3737 #endif /* IW_WIRELESS_SPY */
3738 skb->mac.raw = skb->data;
3739 skb->pkt_type = PACKET_OTHERHOST;
3740 skb->dev = ai->wifidev;
3741 skb->protocol = htons(ETH_P_802_2);
3742 skb->dev->last_rx = jiffies;
3743 skb->ip_summed = CHECKSUM_NONE;
3746 if (rxd.valid == 0) {
3750 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3754 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3765 memset( &mySsid, 0, sizeof( mySsid ) );
3769 /* The NOP is the first step in getting the card going */
3771 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3772 if (lock && down_interruptible(&ai->sem))
3774 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3779 disable_MAC( ai, 0);
3781 // Let's figure out if we need to use the AUX port
3782 if (!test_bit(FLAG_MPI,&ai->flags)) {
3783 cmd.cmd = CMD_ENABLEAUX;
3784 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3787 airo_print_err(ai->dev->name, "Error checking for AUX port");
3790 if (!aux_bap || rsp.status & 0xff00) {
3791 ai->bap_read = fast_bap_read;
3792 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3794 ai->bap_read = aux_bap_read;
3795 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3800 if (ai->config.len == 0) {
3801 tdsRssiRid rssi_rid;
3802 CapabilityRid cap_rid;
3808 // general configuration (read/modify/write)
3809 status = readConfigRid(ai, lock);
3810 if ( status != SUCCESS ) return ERROR;
3812 status = readCapabilityRid(ai, &cap_rid, lock);
3813 if ( status != SUCCESS ) return ERROR;
3815 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3816 if ( status == SUCCESS ) {
3817 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3818 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3823 if (cap_rid.softCap & 8)
3824 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3826 airo_print_warn(ai->dev->name, "unknown received signal "
3829 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3830 ai->config.authType = AUTH_OPEN;
3831 ai->config.modulation = MOD_CCK;
3833 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3834 (micsetup(ai) == SUCCESS)) {
3835 ai->config.opmode |= MODE_MIC;
3836 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3839 /* Save off the MAC */
3840 for( i = 0; i < ETH_ALEN; i++ ) {
3841 mac[i] = ai->config.macAddr[i];
3844 /* Check to see if there are any insmod configured
3848 memset(ai->config.rates,0,sizeof(ai->config.rates));
3849 for( i = 0; i < 8 && rates[i]; i++ ) {
3850 ai->config.rates[i] = rates[i];
3853 if ( basic_rate > 0 ) {
3855 for( i = 0; i < 8; i++ ) {
3856 if ( ai->config.rates[i] == basic_rate ||
3857 !ai->config.rates ) {
3858 ai->config.rates[i] = basic_rate | 0x80;
3863 set_bit (FLAG_COMMIT, &ai->flags);
3866 /* Setup the SSIDs if present */
3869 for( i = 0; i < 3 && ssids[i]; i++ ) {
3870 mySsid.ssids[i].len = strlen(ssids[i]);
3871 if ( mySsid.ssids[i].len > 32 )
3872 mySsid.ssids[i].len = 32;
3873 memcpy(mySsid.ssids[i].ssid, ssids[i],
3874 mySsid.ssids[i].len);
3876 mySsid.len = sizeof(mySsid);
3879 status = writeConfigRid(ai, lock);
3880 if ( status != SUCCESS ) return ERROR;
3882 /* Set up the SSID list */
3884 status = writeSsidRid(ai, &mySsid, lock);
3885 if ( status != SUCCESS ) return ERROR;
3888 status = enable_MAC(ai, &rsp, lock);
3889 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3890 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3891 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3895 /* Grab the initial wep key, we gotta save it for auto_wep */
3896 rc = readWepKeyRid(ai, &wkr, 1, lock);
3897 if (rc == SUCCESS) do {
3898 lastindex = wkr.kindex;
3899 if (wkr.kindex == 0xffff) {
3900 ai->defindex = wkr.mac[0];
3902 rc = readWepKeyRid(ai, &wkr, 0, lock);
3903 } while(lastindex != wkr.kindex);
3906 ai->expires = RUN_AT(3*HZ);
3907 wake_up_interruptible(&ai->thr_wait);
3913 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3914 // Im really paranoid about letting it run forever!
3915 int max_tries = 600000;
3917 if (IN4500(ai, EVSTAT) & EV_CMD)
3918 OUT4500(ai, EVACK, EV_CMD);
3920 OUT4500(ai, PARAM0, pCmd->parm0);
3921 OUT4500(ai, PARAM1, pCmd->parm1);
3922 OUT4500(ai, PARAM2, pCmd->parm2);
3923 OUT4500(ai, COMMAND, pCmd->cmd);
3925 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3926 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3927 // PC4500 didn't notice command, try again
3928 OUT4500(ai, COMMAND, pCmd->cmd);
3929 if (!in_atomic() && (max_tries & 255) == 0)
3933 if ( max_tries == -1 ) {
3934 airo_print_err(ai->dev->name,
3935 "Max tries exceeded when issueing command");
3936 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3937 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3941 // command completed
3942 pRsp->status = IN4500(ai, STATUS);
3943 pRsp->rsp0 = IN4500(ai, RESP0);
3944 pRsp->rsp1 = IN4500(ai, RESP1);
3945 pRsp->rsp2 = IN4500(ai, RESP2);
3946 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3947 airo_print_err(ai->dev->name,
3948 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3949 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3952 // clear stuck command busy if necessary
3953 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3956 // acknowledge processing the status/response
3957 OUT4500(ai, EVACK, EV_CMD);
3962 /* Sets up the bap to start exchange data. whichbap should
3963 * be one of the BAP0 or BAP1 defines. Locks should be held before
3965 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3970 OUT4500(ai, SELECT0+whichbap, rid);
3971 OUT4500(ai, OFFSET0+whichbap, offset);
3973 int status = IN4500(ai, OFFSET0+whichbap);
3974 if (status & BAP_BUSY) {
3975 /* This isn't really a timeout, but its kinda
3980 } else if ( status & BAP_ERR ) {
3981 /* invalid rid or offset */
3982 airo_print_err(ai->dev->name, "BAP error %x %d",
3985 } else if (status & BAP_DONE) { // success
3988 if ( !(max_tries--) ) {
3989 airo_print_err(ai->dev->name,
3990 "airo: BAP setup error too many retries\n");
3993 // -- PC4500 missed it, try again
3994 OUT4500(ai, SELECT0+whichbap, rid);
3995 OUT4500(ai, OFFSET0+whichbap, offset);
4000 /* should only be called by aux_bap_read. This aux function and the
4001 following use concepts not documented in the developers guide. I
4002 got them from a patch given to my by Aironet */
4003 static u16 aux_setup(struct airo_info *ai, u16 page,
4004 u16 offset, u16 *len)
4008 OUT4500(ai, AUXPAGE, page);
4009 OUT4500(ai, AUXOFF, 0);
4010 next = IN4500(ai, AUXDATA);
4011 *len = IN4500(ai, AUXDATA)&0xff;
4012 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4016 /* requires call to bap_setup() first */
4017 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4018 int bytelen, int whichbap)
4026 unsigned long flags;
4028 spin_lock_irqsave(&ai->aux_lock, flags);
4029 page = IN4500(ai, SWS0+whichbap);
4030 offset = IN4500(ai, SWS2+whichbap);
4031 next = aux_setup(ai, page, offset, &len);
4032 words = (bytelen+1)>>1;
4034 for (i=0; i<words;) {
4036 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4038 insw( ai->dev->base_addr+DATA0+whichbap,
4041 insb( ai->dev->base_addr+DATA0+whichbap,
4042 pu16Dst+i, count << 1 );
4045 next = aux_setup(ai, next, 4, &len);
4048 spin_unlock_irqrestore(&ai->aux_lock, flags);
4053 /* requires call to bap_setup() first */
4054 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4055 int bytelen, int whichbap)
4057 bytelen = (bytelen + 1) & (~1); // round up to even value
4059 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4061 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4065 /* requires call to bap_setup() first */
4066 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4067 int bytelen, int whichbap)
4069 bytelen = (bytelen + 1) & (~1); // round up to even value
4071 outsw( ai->dev->base_addr+DATA0+whichbap,
4072 pu16Src, bytelen>>1 );
4074 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4078 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4080 Cmd cmd; /* for issuing commands */
4081 Resp rsp; /* response from commands */
4084 memset(&cmd, 0, sizeof(cmd));
4087 status = issuecommand(ai, &cmd, &rsp);
4088 if (status != 0) return status;
4089 if ( (rsp.status & 0x7F00) != 0) {
4090 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4095 /* Note, that we are using BAP1 which is also used by transmit, so
4096 * we must get a lock. */
4097 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4103 if (down_interruptible(&ai->sem))
4106 if (test_bit(FLAG_MPI,&ai->flags)) {
4110 memset(&cmd, 0, sizeof(cmd));
4111 memset(&rsp, 0, sizeof(rsp));
4112 ai->config_desc.rid_desc.valid = 1;
4113 ai->config_desc.rid_desc.len = RIDSIZE;
4114 ai->config_desc.rid_desc.rid = 0;
4115 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4117 cmd.cmd = CMD_ACCESS;
4120 memcpy_toio(ai->config_desc.card_ram_off,
4121 &ai->config_desc.rid_desc, sizeof(Rid));
4123 rc = issuecommand(ai, &cmd, &rsp);
4125 if (rsp.status & 0x7f00)
4128 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4131 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4135 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4139 // read the rid length field
4140 bap_read(ai, pBuf, 2, BAP1);
4141 // length for remaining part of rid
4142 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4145 airo_print_err(ai->dev->name,
4146 "Rid %x has a length of %d which is too short",
4147 (int)rid, (int)len );
4151 // read remainder of the rid
4152 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4160 /* Note, that we are using BAP1 which is also used by transmit, so
4161 * make sure this isnt called when a transmit is happening */
4162 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4163 const void *pBuf, int len, int lock)
4168 *(u16*)pBuf = cpu_to_le16((u16)len);
4171 if (down_interruptible(&ai->sem))
4174 if (test_bit(FLAG_MPI,&ai->flags)) {
4178 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4179 airo_print_err(ai->dev->name,
4180 "%s: MAC should be disabled (rid=%04x)",
4182 memset(&cmd, 0, sizeof(cmd));
4183 memset(&rsp, 0, sizeof(rsp));
4185 ai->config_desc.rid_desc.valid = 1;
4186 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4187 ai->config_desc.rid_desc.rid = 0;
4189 cmd.cmd = CMD_WRITERID;
4192 memcpy_toio(ai->config_desc.card_ram_off,
4193 &ai->config_desc.rid_desc, sizeof(Rid));
4195 if (len < 4 || len > 2047) {
4196 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4199 memcpy((char *)ai->config_desc.virtual_host_addr,
4202 rc = issuecommand(ai, &cmd, &rsp);
4203 if ((rc & 0xff00) != 0) {
4204 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4206 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4207 __FUNCTION__, cmd.cmd);
4210 if ((rsp.status & 0x7f00))
4214 // --- first access so that we can write the rid data
4215 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4219 // --- now write the rid data
4220 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4224 bap_write(ai, pBuf, len, BAP1);
4225 // ---now commit the rid data
4226 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4234 /* Allocates a FID to be used for transmitting packets. We only use
4236 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4238 unsigned int loop = 3000;
4244 cmd.cmd = CMD_ALLOCATETX;
4245 cmd.parm0 = lenPayload;
4246 if (down_interruptible(&ai->sem))
4248 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4252 if ( (rsp.status & 0xFF00) != 0) {
4256 /* wait for the allocate event/indication
4257 * It makes me kind of nervous that this can just sit here and spin,
4258 * but in practice it only loops like four times. */
4259 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4265 // get the allocated fid and acknowledge
4266 txFid = IN4500(ai, TXALLOCFID);
4267 OUT4500(ai, EVACK, EV_ALLOC);
4269 /* The CARD is pretty cool since it converts the ethernet packet
4270 * into 802.11. Also note that we don't release the FID since we
4271 * will be using the same one over and over again. */
4272 /* We only have to setup the control once since we are not
4273 * releasing the fid. */
4275 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4276 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4278 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4279 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4280 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4283 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4291 /* In general BAP1 is dedicated to transmiting packets. However,
4292 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4293 Make sure the BAP1 spinlock is held when this is called. */
4294 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4305 if (len <= ETH_ALEN * 2) {
4306 airo_print_warn(ai->dev->name, "Short packet %d", len);
4309 len -= ETH_ALEN * 2;
4311 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4312 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4313 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4315 miclen = sizeof(pMic);
4317 // packet is destination[6], source[6], payload[len-12]
4318 // write the payload length and dst/src/payload
4319 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4320 /* The hardware addresses aren't counted as part of the payload, so
4321 * we have to subtract the 12 bytes for the addresses off */
4322 payloadLen = cpu_to_le16(len + miclen);
4323 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4324 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4326 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4327 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4328 // issue the transmit command
4329 memset( &cmd, 0, sizeof( cmd ) );
4330 cmd.cmd = CMD_TRANSMIT;
4332 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4333 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4337 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4352 fc = le16_to_cpu(*(const u16*)pPacket);
4355 if ((fc & 0xe0) == 0xc0)
4361 if ((fc&0x300)==0x300){
4370 airo_print_warn(ai->dev->name, "Short packet %d", len);
4374 /* packet is 802.11 header + payload
4375 * write the payload length and dst/src/payload */
4376 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4377 /* The 802.11 header aren't counted as part of the payload, so
4378 * we have to subtract the header bytes off */
4379 payloadLen = cpu_to_le16(len-hdrlen);
4380 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4381 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4382 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4383 bap_write(ai, hdrlen == 30 ?
4384 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4386 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4387 // issue the transmit command
4388 memset( &cmd, 0, sizeof( cmd ) );
4389 cmd.cmd = CMD_TRANSMIT;
4391 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4392 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4397 * This is the proc_fs routines. It is a bit messier than I would
4398 * like! Feel free to clean it up!
4401 static ssize_t proc_read( struct file *file,
4402 char __user *buffer,
4406 static ssize_t proc_write( struct file *file,
4407 const char __user *buffer,
4410 static int proc_close( struct inode *inode, struct file *file );
4412 static int proc_stats_open( struct inode *inode, struct file *file );
4413 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4414 static int proc_status_open( struct inode *inode, struct file *file );
4415 static int proc_SSID_open( struct inode *inode, struct file *file );
4416 static int proc_APList_open( struct inode *inode, struct file *file );
4417 static int proc_BSSList_open( struct inode *inode, struct file *file );
4418 static int proc_config_open( struct inode *inode, struct file *file );
4419 static int proc_wepkey_open( struct inode *inode, struct file *file );
4421 static struct file_operations proc_statsdelta_ops = {
4423 .open = proc_statsdelta_open,
4424 .release = proc_close
4427 static struct file_operations proc_stats_ops = {
4429 .open = proc_stats_open,
4430 .release = proc_close
4433 static struct file_operations proc_status_ops = {
4435 .open = proc_status_open,
4436 .release = proc_close
4439 static struct file_operations proc_SSID_ops = {
4441 .write = proc_write,
4442 .open = proc_SSID_open,
4443 .release = proc_close
4446 static struct file_operations proc_BSSList_ops = {
4448 .write = proc_write,
4449 .open = proc_BSSList_open,
4450 .release = proc_close
4453 static struct file_operations proc_APList_ops = {
4455 .write = proc_write,
4456 .open = proc_APList_open,
4457 .release = proc_close
4460 static struct file_operations proc_config_ops = {
4462 .write = proc_write,
4463 .open = proc_config_open,
4464 .release = proc_close
4467 static struct file_operations proc_wepkey_ops = {
4469 .write = proc_write,
4470 .open = proc_wepkey_open,
4471 .release = proc_close
4474 static struct proc_dir_entry *airo_entry;
4483 void (*on_close) (struct inode *, struct file *);
4487 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4490 static int setup_proc_entry( struct net_device *dev,
4491 struct airo_info *apriv ) {
4492 struct proc_dir_entry *entry;
4493 /* First setup the device directory */
4494 strcpy(apriv->proc_name,dev->name);
4495 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4498 apriv->proc_entry->uid = proc_uid;
4499 apriv->proc_entry->gid = proc_gid;
4500 apriv->proc_entry->owner = THIS_MODULE;
4502 /* Setup the StatsDelta */
4503 entry = create_proc_entry("StatsDelta",
4504 S_IFREG | (S_IRUGO&proc_perm),
4506 entry->uid = proc_uid;
4507 entry->gid = proc_gid;
4509 entry->owner = THIS_MODULE;
4510 SETPROC_OPS(entry, proc_statsdelta_ops);
4512 /* Setup the Stats */
4513 entry = create_proc_entry("Stats",
4514 S_IFREG | (S_IRUGO&proc_perm),
4516 entry->uid = proc_uid;
4517 entry->gid = proc_gid;
4519 entry->owner = THIS_MODULE;
4520 SETPROC_OPS(entry, proc_stats_ops);
4522 /* Setup the Status */
4523 entry = create_proc_entry("Status",
4524 S_IFREG | (S_IRUGO&proc_perm),
4526 entry->uid = proc_uid;
4527 entry->gid = proc_gid;
4529 entry->owner = THIS_MODULE;
4530 SETPROC_OPS(entry, proc_status_ops);
4532 /* Setup the Config */
4533 entry = create_proc_entry("Config",
4534 S_IFREG | proc_perm,
4536 entry->uid = proc_uid;
4537 entry->gid = proc_gid;
4539 entry->owner = THIS_MODULE;
4540 SETPROC_OPS(entry, proc_config_ops);
4542 /* Setup the SSID */
4543 entry = create_proc_entry("SSID",
4544 S_IFREG | proc_perm,
4546 entry->uid = proc_uid;
4547 entry->gid = proc_gid;
4549 entry->owner = THIS_MODULE;
4550 SETPROC_OPS(entry, proc_SSID_ops);
4552 /* Setup the APList */
4553 entry = create_proc_entry("APList",
4554 S_IFREG | proc_perm,
4556 entry->uid = proc_uid;
4557 entry->gid = proc_gid;
4559 entry->owner = THIS_MODULE;
4560 SETPROC_OPS(entry, proc_APList_ops);
4562 /* Setup the BSSList */
4563 entry = create_proc_entry("BSSList",
4564 S_IFREG | proc_perm,
4566 entry->uid = proc_uid;
4567 entry->gid = proc_gid;
4569 entry->owner = THIS_MODULE;
4570 SETPROC_OPS(entry, proc_BSSList_ops);
4572 /* Setup the WepKey */
4573 entry = create_proc_entry("WepKey",
4574 S_IFREG | proc_perm,
4576 entry->uid = proc_uid;
4577 entry->gid = proc_gid;
4579 entry->owner = THIS_MODULE;
4580 SETPROC_OPS(entry, proc_wepkey_ops);
4585 static int takedown_proc_entry( struct net_device *dev,
4586 struct airo_info *apriv ) {
4587 if ( !apriv->proc_entry->namelen ) return 0;
4588 remove_proc_entry("Stats",apriv->proc_entry);
4589 remove_proc_entry("StatsDelta",apriv->proc_entry);
4590 remove_proc_entry("Status",apriv->proc_entry);
4591 remove_proc_entry("Config",apriv->proc_entry);
4592 remove_proc_entry("SSID",apriv->proc_entry);
4593 remove_proc_entry("APList",apriv->proc_entry);
4594 remove_proc_entry("BSSList",apriv->proc_entry);
4595 remove_proc_entry("WepKey",apriv->proc_entry);
4596 remove_proc_entry(apriv->proc_name,airo_entry);
4601 * What we want from the proc_fs is to be able to efficiently read
4602 * and write the configuration. To do this, we want to read the
4603 * configuration when the file is opened and write it when the file is
4604 * closed. So basically we allocate a read buffer at open and fill it
4605 * with data, and allocate a write buffer and read it at close.
4609 * The read routine is generic, it relies on the preallocated rbuffer
4610 * to supply the data.
4612 static ssize_t proc_read( struct file *file,
4613 char __user *buffer,
4617 loff_t pos = *offset;
4618 struct proc_data *priv = (struct proc_data*)file->private_data;
4625 if (pos >= priv->readlen)
4627 if (len > priv->readlen - pos)
4628 len = priv->readlen - pos;
4629 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4631 *offset = pos + len;
4636 * The write routine is generic, it fills in a preallocated rbuffer
4637 * to supply the data.
4639 static ssize_t proc_write( struct file *file,
4640 const char __user *buffer,
4644 loff_t pos = *offset;
4645 struct proc_data *priv = (struct proc_data*)file->private_data;
4652 if (pos >= priv->maxwritelen)
4654 if (len > priv->maxwritelen - pos)
4655 len = priv->maxwritelen - pos;
4656 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4658 if ( pos + len > priv->writelen )
4659 priv->writelen = len + file->f_pos;
4660 *offset = pos + len;
4664 static int proc_status_open( struct inode *inode, struct file *file ) {
4665 struct proc_data *data;
4666 struct proc_dir_entry *dp = PDE(inode);
4667 struct net_device *dev = dp->data;
4668 struct airo_info *apriv = dev->priv;
4669 CapabilityRid cap_rid;
4670 StatusRid status_rid;
4673 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4675 data = (struct proc_data *)file->private_data;
4676 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4677 kfree (file->private_data);
4681 readStatusRid(apriv, &status_rid, 1);
4682 readCapabilityRid(apriv, &cap_rid, 1);
4684 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4685 status_rid.mode & 1 ? "CFG ": "",
4686 status_rid.mode & 2 ? "ACT ": "",
4687 status_rid.mode & 0x10 ? "SYN ": "",
4688 status_rid.mode & 0x20 ? "LNK ": "",
4689 status_rid.mode & 0x40 ? "LEAP ": "",
4690 status_rid.mode & 0x80 ? "PRIV ": "",
4691 status_rid.mode & 0x100 ? "KEY ": "",
4692 status_rid.mode & 0x200 ? "WEP ": "",
4693 status_rid.mode & 0x8000 ? "ERR ": "");
4694 sprintf( data->rbuffer+i, "Mode: %x\n"
4695 "Signal Strength: %d\n"
4696 "Signal Quality: %d\n"
4701 "Driver Version: %s\n"
4702 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4703 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4704 "Software Version: %x\nSoftware Subversion: %x\n"
4705 "Boot block version: %x\n",
4706 (int)status_rid.mode,
4707 (int)status_rid.normalizedSignalStrength,
4708 (int)status_rid.signalQuality,
4709 (int)status_rid.SSIDlen,
4712 (int)status_rid.channel,
4713 (int)status_rid.currentXmitRate/2,
4721 (int)cap_rid.softVer,
4722 (int)cap_rid.softSubVer,
4723 (int)cap_rid.bootBlockVer );
4724 data->readlen = strlen( data->rbuffer );
4728 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4729 static int proc_statsdelta_open( struct inode *inode,
4730 struct file *file ) {
4731 if (file->f_mode&FMODE_WRITE) {
4732 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4734 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4737 static int proc_stats_open( struct inode *inode, struct file *file ) {
4738 return proc_stats_rid_open(inode, file, RID_STATS);
4741 static int proc_stats_rid_open( struct inode *inode,
4744 struct proc_data *data;
4745 struct proc_dir_entry *dp = PDE(inode);
4746 struct net_device *dev = dp->data;
4747 struct airo_info *apriv = dev->priv;
4750 u32 *vals = stats.vals;
4752 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4754 data = (struct proc_data *)file->private_data;
4755 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4756 kfree (file->private_data);
4760 readStatsRid(apriv, &stats, rid, 1);
4763 for(i=0; statsLabels[i]!=(char *)-1 &&
4764 i*4<stats.len; i++){
4765 if (!statsLabels[i]) continue;
4766 if (j+strlen(statsLabels[i])+16>4096) {
4767 airo_print_warn(apriv->dev->name,
4768 "Potentially disasterous buffer overflow averted!");
4771 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4773 if (i*4>=stats.len){
4774 airo_print_warn(apriv->dev->name, "Got a short rid");
4780 static int get_dec_u16( char *buffer, int *start, int limit ) {
4783 for( value = 0; buffer[*start] >= '0' &&
4784 buffer[*start] <= '9' &&
4785 *start < limit; (*start)++ ) {
4788 value += buffer[*start] - '0';
4790 if ( !valid ) return -1;
4794 static int airo_config_commit(struct net_device *dev,
4795 struct iw_request_info *info, void *zwrq,
4798 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4799 struct proc_data *data = file->private_data;
4800 struct proc_dir_entry *dp = PDE(inode);
4801 struct net_device *dev = dp->data;
4802 struct airo_info *ai = dev->priv;
4805 if ( !data->writelen ) return;
4807 readConfigRid(ai, 1);
4808 set_bit (FLAG_COMMIT, &ai->flags);
4810 line = data->wbuffer;
4812 /*** Mode processing */
4813 if ( !strncmp( line, "Mode: ", 6 ) ) {
4815 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4816 set_bit (FLAG_RESET, &ai->flags);
4817 ai->config.rmode &= 0xfe00;
4818 clear_bit (FLAG_802_11, &ai->flags);
4819 ai->config.opmode &= 0xFF00;
4820 ai->config.scanMode = SCANMODE_ACTIVE;
4821 if ( line[0] == 'a' ) {
4822 ai->config.opmode |= 0;
4824 ai->config.opmode |= 1;
4825 if ( line[0] == 'r' ) {
4826 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4827 ai->config.scanMode = SCANMODE_PASSIVE;
4828 set_bit (FLAG_802_11, &ai->flags);
4829 } else if ( line[0] == 'y' ) {
4830 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4831 ai->config.scanMode = SCANMODE_PASSIVE;
4832 set_bit (FLAG_802_11, &ai->flags);
4833 } else if ( line[0] == 'l' )
4834 ai->config.rmode |= RXMODE_LANMON;
4836 set_bit (FLAG_COMMIT, &ai->flags);
4839 /*** Radio status */
4840 else if (!strncmp(line,"Radio: ", 7)) {
4842 if (!strncmp(line,"off",3)) {
4843 set_bit (FLAG_RADIO_OFF, &ai->flags);
4845 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4848 /*** NodeName processing */
4849 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4853 memset( ai->config.nodeName, 0, 16 );
4854 /* Do the name, assume a space between the mode and node name */
4855 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4856 ai->config.nodeName[j] = line[j];
4858 set_bit (FLAG_COMMIT, &ai->flags);
4861 /*** PowerMode processing */
4862 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4864 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4865 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4866 set_bit (FLAG_COMMIT, &ai->flags);
4867 } else if ( !strncmp( line, "PSP", 3 ) ) {
4868 ai->config.powerSaveMode = POWERSAVE_PSP;
4869 set_bit (FLAG_COMMIT, &ai->flags);
4871 ai->config.powerSaveMode = POWERSAVE_CAM;
4872 set_bit (FLAG_COMMIT, &ai->flags);
4874 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4875 int v, i = 0, k = 0; /* i is index into line,
4876 k is index to rates */
4879 while((v = get_dec_u16(line, &i, 3))!=-1) {
4880 ai->config.rates[k++] = (u8)v;
4884 set_bit (FLAG_COMMIT, &ai->flags);
4885 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4888 v = get_dec_u16(line, &i, i+3);
4890 ai->config.channelSet = (u16)v;
4891 set_bit (FLAG_COMMIT, &ai->flags);
4893 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4896 v = get_dec_u16(line, &i, i+3);
4898 ai->config.txPower = (u16)v;
4899 set_bit (FLAG_COMMIT, &ai->flags);
4901 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4905 ai->config.authType = (u16)AUTH_SHAREDKEY;
4908 ai->config.authType = (u16)AUTH_ENCRYPT;
4911 ai->config.authType = (u16)AUTH_OPEN;
4914 set_bit (FLAG_COMMIT, &ai->flags);
4915 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4919 v = get_dec_u16(line, &i, 3);
4920 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4921 ai->config.longRetryLimit = (u16)v;
4922 set_bit (FLAG_COMMIT, &ai->flags);
4923 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4927 v = get_dec_u16(line, &i, 3);
4928 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4929 ai->config.shortRetryLimit = (u16)v;
4930 set_bit (FLAG_COMMIT, &ai->flags);
4931 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4935 v = get_dec_u16(line, &i, 4);
4936 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4937 ai->config.rtsThres = (u16)v;
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4943 v = get_dec_u16(line, &i, 5);
4945 ai->config.txLifetime = (u16)v;
4946 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
4951 v = get_dec_u16(line, &i, 5);
4953 ai->config.rxLifetime = (u16)v;
4954 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
4956 ai->config.txDiversity =
4957 (line[13]=='l') ? 1 :
4958 ((line[13]=='r')? 2: 3);
4959 set_bit (FLAG_COMMIT, &ai->flags);
4960 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
4961 ai->config.rxDiversity =
4962 (line[13]=='l') ? 1 :
4963 ((line[13]=='r')? 2: 3);
4964 set_bit (FLAG_COMMIT, &ai->flags);
4965 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
4969 v = get_dec_u16(line, &i, 4);
4970 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4971 v = v & 0xfffe; /* Make sure its even */
4972 ai->config.fragThresh = (u16)v;
4973 set_bit (FLAG_COMMIT, &ai->flags);
4974 } else if (!strncmp(line, "Modulation: ", 12)) {
4977 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
4978 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
4979 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
4980 default: airo_print_warn(ai->dev->name, "Unknown modulation");
4982 } else if (!strncmp(line, "Preamble: ", 10)) {
4985 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
4986 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
4987 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
4988 default: airo_print_warn(ai->dev->name, "Unknown preamble");
4991 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
4993 while( line[0] && line[0] != '\n' ) line++;
4994 if ( line[0] ) line++;
4996 airo_config_commit(dev, NULL, NULL, NULL);
4999 static char *get_rmode(u16 mode) {
5001 case RXMODE_RFMON: return "rfmon";
5002 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5003 case RXMODE_LANMON: return "lanmon";
5008 static int proc_config_open( struct inode *inode, struct file *file ) {
5009 struct proc_data *data;
5010 struct proc_dir_entry *dp = PDE(inode);
5011 struct net_device *dev = dp->data;
5012 struct airo_info *ai = dev->priv;
5015 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5017 data = (struct proc_data *)file->private_data;
5018 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5019 kfree (file->private_data);
5022 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5023 kfree (data->rbuffer);
5024 kfree (file->private_data);
5027 data->maxwritelen = 2048;
5028 data->on_close = proc_config_on_close;
5030 readConfigRid(ai, 1);
5032 i = sprintf( data->rbuffer,
5037 "DataRates: %d %d %d %d %d %d %d %d\n"
5040 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5041 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5042 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5043 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5044 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5045 ai->config.nodeName,
5046 ai->config.powerSaveMode == 0 ? "CAM" :
5047 ai->config.powerSaveMode == 1 ? "PSP" :
5048 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5049 (int)ai->config.rates[0],
5050 (int)ai->config.rates[1],
5051 (int)ai->config.rates[2],
5052 (int)ai->config.rates[3],
5053 (int)ai->config.rates[4],
5054 (int)ai->config.rates[5],
5055 (int)ai->config.rates[6],
5056 (int)ai->config.rates[7],
5057 (int)ai->config.channelSet,
5058 (int)ai->config.txPower
5060 sprintf( data->rbuffer + i,
5061 "LongRetryLimit: %d\n"
5062 "ShortRetryLimit: %d\n"
5063 "RTSThreshold: %d\n"
5064 "TXMSDULifetime: %d\n"
5065 "RXMSDULifetime: %d\n"
5068 "FragThreshold: %d\n"
5072 (int)ai->config.longRetryLimit,
5073 (int)ai->config.shortRetryLimit,
5074 (int)ai->config.rtsThres,
5075 (int)ai->config.txLifetime,
5076 (int)ai->config.rxLifetime,
5077 ai->config.txDiversity == 1 ? "left" :
5078 ai->config.txDiversity == 2 ? "right" : "both",
5079 ai->config.rxDiversity == 1 ? "left" :
5080 ai->config.rxDiversity == 2 ? "right" : "both",
5081 (int)ai->config.fragThresh,
5082 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5083 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5084 ai->config.modulation == 0 ? "default" :
5085 ai->config.modulation == MOD_CCK ? "cck" :
5086 ai->config.modulation == MOD_MOK ? "mok" : "error",
5087 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5088 ai->config.preamble == PREAMBLE_LONG ? "long" :
5089 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5091 data->readlen = strlen( data->rbuffer );
5095 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5096 struct proc_data *data = (struct proc_data *)file->private_data;
5097 struct proc_dir_entry *dp = PDE(inode);
5098 struct net_device *dev = dp->data;
5099 struct airo_info *ai = dev->priv;
5105 if ( !data->writelen ) return;
5107 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5109 for( i = 0; i < 3; i++ ) {
5111 for( j = 0; j+offset < data->writelen && j < 32 &&
5112 data->wbuffer[offset+j] != '\n'; j++ ) {
5113 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5115 if ( j == 0 ) break;
5116 SSID_rid.ssids[i].len = j;
5118 while( data->wbuffer[offset] != '\n' &&
5119 offset < data->writelen ) offset++;
5123 SSID_rid.len = sizeof(SSID_rid);
5125 writeSsidRid(ai, &SSID_rid, 1);
5126 enable_MAC(ai, &rsp, 1);
5129 static inline u8 hexVal(char c) {
5130 if (c>='0' && c<='9') return c -= '0';
5131 if (c>='a' && c<='f') return c -= 'a'-10;
5132 if (c>='A' && c<='F') return c -= 'A'-10;
5136 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5137 struct proc_data *data = (struct proc_data *)file->private_data;
5138 struct proc_dir_entry *dp = PDE(inode);
5139 struct net_device *dev = dp->data;
5140 struct airo_info *ai = dev->priv;
5141 APListRid APList_rid;
5145 if ( !data->writelen ) return;
5147 memset( &APList_rid, 0, sizeof(APList_rid) );
5148 APList_rid.len = sizeof(APList_rid);
5150 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5152 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5155 APList_rid.ap[i][j/3]=
5156 hexVal(data->wbuffer[j+i*6*3])<<4;
5159 APList_rid.ap[i][j/3]|=
5160 hexVal(data->wbuffer[j+i*6*3]);
5166 writeAPListRid(ai, &APList_rid, 1);
5167 enable_MAC(ai, &rsp, 1);
5170 /* This function wraps PC4500_writerid with a MAC disable */
5171 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5172 int len, int dummy ) {
5177 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5178 enable_MAC(ai, &rsp, 1);
5182 /* Returns the length of the key at the index. If index == 0xffff
5183 * the index of the transmit key is returned. If the key doesn't exist,
5184 * -1 will be returned.
5186 static int get_wep_key(struct airo_info *ai, u16 index) {
5191 rc = readWepKeyRid(ai, &wkr, 1, 1);
5192 if (rc == SUCCESS) do {
5193 lastindex = wkr.kindex;
5194 if (wkr.kindex == index) {
5195 if (index == 0xffff) {
5200 readWepKeyRid(ai, &wkr, 0, 1);
5201 } while(lastindex != wkr.kindex);
5205 static int set_wep_key(struct airo_info *ai, u16 index,
5206 const char *key, u16 keylen, int perm, int lock ) {
5207 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5211 memset(&wkr, 0, sizeof(wkr));
5213 // We are selecting which key to use
5214 wkr.len = sizeof(wkr);
5215 wkr.kindex = 0xffff;
5216 wkr.mac[0] = (char)index;
5217 if (perm) ai->defindex = (char)index;
5219 // We are actually setting the key
5220 wkr.len = sizeof(wkr);
5223 memcpy( wkr.key, key, keylen );
5224 memcpy( wkr.mac, macaddr, ETH_ALEN );
5227 if (perm) disable_MAC(ai, lock);
5228 writeWepKeyRid(ai, &wkr, perm, lock);
5229 if (perm) enable_MAC(ai, &rsp, lock);
5233 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5234 struct proc_data *data;
5235 struct proc_dir_entry *dp = PDE(inode);
5236 struct net_device *dev = dp->data;
5237 struct airo_info *ai = dev->priv;
5243 memset(key, 0, sizeof(key));
5245 data = (struct proc_data *)file->private_data;
5246 if ( !data->writelen ) return;
5248 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5249 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5250 index = data->wbuffer[0] - '0';
5251 if (data->wbuffer[1] == '\n') {
5252 set_wep_key(ai, index, NULL, 0, 1, 1);
5257 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5261 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5264 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5267 key[i/3] |= hexVal(data->wbuffer[i+j]);
5271 set_wep_key(ai, index, key, i/3, 1, 1);
5274 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5275 struct proc_data *data;
5276 struct proc_dir_entry *dp = PDE(inode);
5277 struct net_device *dev = dp->data;
5278 struct airo_info *ai = dev->priv;
5285 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5287 memset(&wkr, 0, sizeof(wkr));
5288 data = (struct proc_data *)file->private_data;
5289 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5290 kfree (file->private_data);
5294 data->maxwritelen = 80;
5295 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5296 kfree (data->rbuffer);
5297 kfree (file->private_data);
5300 data->on_close = proc_wepkey_on_close;
5302 ptr = data->rbuffer;
5303 strcpy(ptr, "No wep keys\n");
5304 rc = readWepKeyRid(ai, &wkr, 1, 1);
5305 if (rc == SUCCESS) do {
5306 lastindex = wkr.kindex;
5307 if (wkr.kindex == 0xffff) {
5308 j += sprintf(ptr+j, "Tx key = %d\n",
5311 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5312 (int)wkr.kindex, (int)wkr.klen);
5314 readWepKeyRid(ai, &wkr, 0, 1);
5315 } while((lastindex != wkr.kindex) && (j < 180-30));
5317 data->readlen = strlen( data->rbuffer );
5321 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5322 struct proc_data *data;
5323 struct proc_dir_entry *dp = PDE(inode);
5324 struct net_device *dev = dp->data;
5325 struct airo_info *ai = dev->priv;
5330 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5332 data = (struct proc_data *)file->private_data;
5333 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5334 kfree (file->private_data);
5338 data->maxwritelen = 33*3;
5339 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5340 kfree (data->rbuffer);
5341 kfree (file->private_data);
5344 data->on_close = proc_SSID_on_close;
5346 readSsidRid(ai, &SSID_rid);
5347 ptr = data->rbuffer;
5348 for( i = 0; i < 3; i++ ) {
5350 if ( !SSID_rid.ssids[i].len ) break;
5351 for( j = 0; j < 32 &&
5352 j < SSID_rid.ssids[i].len &&
5353 SSID_rid.ssids[i].ssid[j]; j++ ) {
5354 *ptr++ = SSID_rid.ssids[i].ssid[j];
5359 data->readlen = strlen( data->rbuffer );
5363 static int proc_APList_open( struct inode *inode, struct file *file ) {
5364 struct proc_data *data;
5365 struct proc_dir_entry *dp = PDE(inode);
5366 struct net_device *dev = dp->data;
5367 struct airo_info *ai = dev->priv;
5370 APListRid APList_rid;
5372 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5374 data = (struct proc_data *)file->private_data;
5375 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5376 kfree (file->private_data);
5380 data->maxwritelen = 4*6*3;
5381 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5382 kfree (data->rbuffer);
5383 kfree (file->private_data);
5386 data->on_close = proc_APList_on_close;
5388 readAPListRid(ai, &APList_rid);
5389 ptr = data->rbuffer;
5390 for( i = 0; i < 4; i++ ) {
5391 // We end when we find a zero MAC
5392 if ( !*(int*)APList_rid.ap[i] &&
5393 !*(int*)&APList_rid.ap[i][2]) break;
5394 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5395 (int)APList_rid.ap[i][0],
5396 (int)APList_rid.ap[i][1],
5397 (int)APList_rid.ap[i][2],
5398 (int)APList_rid.ap[i][3],
5399 (int)APList_rid.ap[i][4],
5400 (int)APList_rid.ap[i][5]);
5402 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5405 data->readlen = strlen( data->rbuffer );
5409 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5410 struct proc_data *data;
5411 struct proc_dir_entry *dp = PDE(inode);
5412 struct net_device *dev = dp->data;
5413 struct airo_info *ai = dev->priv;
5415 BSSListRid BSSList_rid;
5417 /* If doLoseSync is not 1, we won't do a Lose Sync */
5418 int doLoseSync = -1;
5420 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5422 data = (struct proc_data *)file->private_data;
5423 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5424 kfree (file->private_data);
5428 data->maxwritelen = 0;
5429 data->wbuffer = NULL;
5430 data->on_close = NULL;
5432 if (file->f_mode & FMODE_WRITE) {
5433 if (!(file->f_mode & FMODE_READ)) {
5437 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5438 memset(&cmd, 0, sizeof(cmd));
5439 cmd.cmd=CMD_LISTBSS;
5440 if (down_interruptible(&ai->sem))
5441 return -ERESTARTSYS;
5442 issuecommand(ai, &cmd, &rsp);
5449 ptr = data->rbuffer;
5450 /* There is a race condition here if there are concurrent opens.
5451 Since it is a rare condition, we'll just live with it, otherwise
5452 we have to add a spin lock... */
5453 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5454 while(rc == 0 && BSSList_rid.index != 0xffff) {
5455 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5456 (int)BSSList_rid.bssid[0],
5457 (int)BSSList_rid.bssid[1],
5458 (int)BSSList_rid.bssid[2],
5459 (int)BSSList_rid.bssid[3],
5460 (int)BSSList_rid.bssid[4],
5461 (int)BSSList_rid.bssid[5],
5462 (int)BSSList_rid.ssidLen,
5464 (int)BSSList_rid.dBm);
5465 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5466 (int)BSSList_rid.dsChannel,
5467 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5468 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5469 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5470 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5471 rc = readBSSListRid(ai, 0, &BSSList_rid);
5474 data->readlen = strlen( data->rbuffer );
5478 static int proc_close( struct inode *inode, struct file *file )
5480 struct proc_data *data = file->private_data;
5482 if (data->on_close != NULL)
5483 data->on_close(inode, file);
5484 kfree(data->rbuffer);
5485 kfree(data->wbuffer);
5490 static struct net_device_list {
5491 struct net_device *dev;
5492 struct net_device_list *next;
5495 /* Since the card doesn't automatically switch to the right WEP mode,
5496 we will make it do it. If the card isn't associated, every secs we
5497 will switch WEP modes to see if that will help. If the card is
5498 associated we will check every minute to see if anything has
5500 static void timer_func( struct net_device *dev ) {
5501 struct airo_info *apriv = dev->priv;
5504 /* We don't have a link so try changing the authtype */
5505 readConfigRid(apriv, 0);
5506 disable_MAC(apriv, 0);
5507 switch(apriv->config.authType) {
5509 /* So drop to OPEN */
5510 apriv->config.authType = AUTH_OPEN;
5512 case AUTH_SHAREDKEY:
5513 if (apriv->keyindex < auto_wep) {
5514 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5515 apriv->config.authType = AUTH_SHAREDKEY;
5518 /* Drop to ENCRYPT */
5519 apriv->keyindex = 0;
5520 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5521 apriv->config.authType = AUTH_ENCRYPT;
5524 default: /* We'll escalate to SHAREDKEY */
5525 apriv->config.authType = AUTH_SHAREDKEY;
5527 set_bit (FLAG_COMMIT, &apriv->flags);
5528 writeConfigRid(apriv, 0);
5529 enable_MAC(apriv, &rsp, 0);
5532 /* Schedule check to see if the change worked */
5533 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5534 apriv->expires = RUN_AT(HZ*3);
5537 static int add_airo_dev( struct net_device *dev ) {
5538 struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
5543 node->next = airo_devices;
5544 airo_devices = node;
5549 static void del_airo_dev( struct net_device *dev ) {
5550 struct net_device_list **p = &airo_devices;
5551 while( *p && ( (*p)->dev != dev ) )
5553 if ( *p && (*p)->dev == dev )
5558 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5559 const struct pci_device_id *pent)
5561 struct net_device *dev;
5563 if (pci_enable_device(pdev))
5565 pci_set_master(pdev);
5567 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5568 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5570 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5574 pci_set_drvdata(pdev, dev);
5578 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5582 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5584 struct net_device *dev = pci_get_drvdata(pdev);
5585 struct airo_info *ai = dev->priv;
5589 if ((ai->APList == NULL) &&
5590 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5592 if ((ai->SSID == NULL) &&
5593 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5595 readAPListRid(ai, ai->APList);
5596 readSsidRid(ai, ai->SSID);
5597 memset(&cmd, 0, sizeof(cmd));
5598 /* the lock will be released at the end of the resume callback */
5599 if (down_interruptible(&ai->sem))
5602 netif_device_detach(dev);
5605 issuecommand(ai, &cmd, &rsp);
5607 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5608 pci_save_state(pdev);
5609 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5612 static int airo_pci_resume(struct pci_dev *pdev)
5614 struct net_device *dev = pci_get_drvdata(pdev);
5615 struct airo_info *ai = dev->priv;
5617 pci_power_t prev_state = pdev->current_state;
5619 pci_set_power_state(pdev, PCI_D0);
5620 pci_restore_state(pdev);
5621 pci_enable_wake(pdev, PCI_D0, 0);
5623 if (prev_state != PCI_D1) {
5625 mpi_init_descriptors(ai);
5626 setup_card(ai, dev->dev_addr, 0);
5627 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5628 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5630 OUT4500(ai, EVACK, EV_AWAKEN);
5631 OUT4500(ai, EVACK, EV_AWAKEN);
5635 set_bit (FLAG_COMMIT, &ai->flags);
5639 writeSsidRid(ai, ai->SSID, 0);
5644 writeAPListRid(ai, ai->APList, 0);
5648 writeConfigRid(ai, 0);
5649 enable_MAC(ai, &rsp, 0);
5650 ai->power = PMSG_ON;
5651 netif_device_attach(dev);
5652 netif_wake_queue(dev);
5653 enable_interrupts(ai);
5659 static int __init airo_init_module( void )
5663 int have_isa_dev = 0;
5666 airo_entry = create_proc_entry("aironet",
5667 S_IFDIR | airo_perm,
5671 airo_entry->uid = proc_uid;
5672 airo_entry->gid = proc_gid;
5675 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5676 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5677 "io=0x%x", irq[i], io[i] );
5678 if (init_airo_card( irq[i], io[i], 0, NULL ))
5687 airo_print_info("", "Probing for PCI adapters");
5688 i = pci_register_driver(&airo_driver);
5689 airo_print_info("", "Finished probing for PCI adapters");
5692 remove_proc_entry("aironet", proc_root_driver);
5697 /* Always exit with success, as we are a library module
5698 * as well as a driver module
5703 static void __exit airo_cleanup_module( void )
5705 while( airo_devices ) {
5706 airo_print_info(airo_devices->dev->name, "Unregistering...\n");
5707 stop_airo_card( airo_devices->dev, 1 );
5710 pci_unregister_driver(&airo_driver);
5712 remove_proc_entry("aironet", proc_root_driver);
5716 * Initial Wireless Extension code for Aironet driver by :
5717 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5718 * Conversion to new driver API by :
5719 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5720 * Javier also did a good amount of work here, adding some new extensions
5721 * and fixing my code. Let's just say that without him this code just
5722 * would not work at all... - Jean II
5725 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5730 return (0x100 - rssi_rid[rssi].rssidBm);
5733 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5740 for( i = 0; i < 256; i++ )
5741 if (rssi_rid[i].rssidBm == dbm)
5742 return rssi_rid[i].rssipct;
5748 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5752 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5753 if (memcmp(cap_rid->prodName, "350", 3))
5754 if (status_rid->signalQuality > 0x20)
5757 quality = 0x20 - status_rid->signalQuality;
5759 if (status_rid->signalQuality > 0xb0)
5761 else if (status_rid->signalQuality < 0x10)
5764 quality = 0xb0 - status_rid->signalQuality;
5769 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5770 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5772 /*------------------------------------------------------------------*/
5774 * Wireless Handler : get protocol name
5776 static int airo_get_name(struct net_device *dev,
5777 struct iw_request_info *info,
5781 strcpy(cwrq, "IEEE 802.11-DS");
5785 /*------------------------------------------------------------------*/
5787 * Wireless Handler : set frequency
5789 static int airo_set_freq(struct net_device *dev,
5790 struct iw_request_info *info,
5791 struct iw_freq *fwrq,
5794 struct airo_info *local = dev->priv;
5795 int rc = -EINPROGRESS; /* Call commit handler */
5797 /* If setting by frequency, convert to a channel */
5798 if((fwrq->e == 1) &&
5799 (fwrq->m >= (int) 2.412e8) &&
5800 (fwrq->m <= (int) 2.487e8)) {
5801 int f = fwrq->m / 100000;
5803 while((c < 14) && (f != frequency_list[c]))
5805 /* Hack to fall through... */
5809 /* Setting by channel number */
5810 if((fwrq->m > 1000) || (fwrq->e > 0))
5813 int channel = fwrq->m;
5814 /* We should do a better check than that,
5815 * based on the card capability !!! */
5816 if((channel < 1) || (channel > 14)) {
5817 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5821 readConfigRid(local, 1);
5822 /* Yes ! We can set it !!! */
5823 local->config.channelSet = (u16) channel;
5824 set_bit (FLAG_COMMIT, &local->flags);
5830 /*------------------------------------------------------------------*/
5832 * Wireless Handler : get frequency
5834 static int airo_get_freq(struct net_device *dev,
5835 struct iw_request_info *info,
5836 struct iw_freq *fwrq,
5839 struct airo_info *local = dev->priv;
5840 StatusRid status_rid; /* Card status info */
5843 readConfigRid(local, 1);
5844 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5845 status_rid.channel = local->config.channelSet;
5847 readStatusRid(local, &status_rid, 1);
5849 ch = (int)status_rid.channel;
5850 if((ch > 0) && (ch < 15)) {
5851 fwrq->m = frequency_list[ch - 1] * 100000;
5861 /*------------------------------------------------------------------*/
5863 * Wireless Handler : set ESSID
5865 static int airo_set_essid(struct net_device *dev,
5866 struct iw_request_info *info,
5867 struct iw_point *dwrq,
5870 struct airo_info *local = dev->priv;
5872 SsidRid SSID_rid; /* SSIDs */
5874 /* Reload the list of current SSID */
5875 readSsidRid(local, &SSID_rid);
5877 /* Check if we asked for `any' */
5878 if(dwrq->flags == 0) {
5879 /* Just send an empty SSID list */
5880 memset(&SSID_rid, 0, sizeof(SSID_rid));
5882 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5884 /* Check the size of the string */
5885 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5888 /* Check if index is valid */
5889 if((index < 0) || (index >= 4)) {
5894 memset(SSID_rid.ssids[index].ssid, 0,
5895 sizeof(SSID_rid.ssids[index].ssid));
5896 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5897 SSID_rid.ssids[index].len = dwrq->length;
5899 SSID_rid.len = sizeof(SSID_rid);
5900 /* Write it to the card */
5901 disable_MAC(local, 1);
5902 writeSsidRid(local, &SSID_rid, 1);
5903 enable_MAC(local, &rsp, 1);
5908 /*------------------------------------------------------------------*/
5910 * Wireless Handler : get ESSID
5912 static int airo_get_essid(struct net_device *dev,
5913 struct iw_request_info *info,
5914 struct iw_point *dwrq,
5917 struct airo_info *local = dev->priv;
5918 StatusRid status_rid; /* Card status info */
5920 readStatusRid(local, &status_rid, 1);
5922 /* Note : if dwrq->flags != 0, we should
5923 * get the relevant SSID from the SSID list... */
5925 /* Get the current SSID */
5926 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5927 extra[status_rid.SSIDlen] = '\0';
5928 /* If none, we may want to get the one that was set */
5931 dwrq->length = status_rid.SSIDlen;
5932 dwrq->flags = 1; /* active */
5937 /*------------------------------------------------------------------*/
5939 * Wireless Handler : set AP address
5941 static int airo_set_wap(struct net_device *dev,
5942 struct iw_request_info *info,
5943 struct sockaddr *awrq,
5946 struct airo_info *local = dev->priv;
5949 APListRid APList_rid;
5950 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5951 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5953 if (awrq->sa_family != ARPHRD_ETHER)
5955 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5956 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5957 memset(&cmd, 0, sizeof(cmd));
5958 cmd.cmd=CMD_LOSE_SYNC;
5959 if (down_interruptible(&local->sem))
5960 return -ERESTARTSYS;
5961 issuecommand(local, &cmd, &rsp);
5964 memset(&APList_rid, 0, sizeof(APList_rid));
5965 APList_rid.len = sizeof(APList_rid);
5966 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
5967 disable_MAC(local, 1);
5968 writeAPListRid(local, &APList_rid, 1);
5969 enable_MAC(local, &rsp, 1);
5974 /*------------------------------------------------------------------*/
5976 * Wireless Handler : get AP address
5978 static int airo_get_wap(struct net_device *dev,
5979 struct iw_request_info *info,
5980 struct sockaddr *awrq,
5983 struct airo_info *local = dev->priv;
5984 StatusRid status_rid; /* Card status info */
5986 readStatusRid(local, &status_rid, 1);
5988 /* Tentative. This seems to work, wow, I'm lucky !!! */
5989 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
5990 awrq->sa_family = ARPHRD_ETHER;
5995 /*------------------------------------------------------------------*/
5997 * Wireless Handler : set Nickname
5999 static int airo_set_nick(struct net_device *dev,
6000 struct iw_request_info *info,
6001 struct iw_point *dwrq,
6004 struct airo_info *local = dev->priv;
6006 /* Check the size of the string */
6007 if(dwrq->length > 16) {
6010 readConfigRid(local, 1);
6011 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6012 memcpy(local->config.nodeName, extra, dwrq->length);
6013 set_bit (FLAG_COMMIT, &local->flags);
6015 return -EINPROGRESS; /* Call commit handler */
6018 /*------------------------------------------------------------------*/
6020 * Wireless Handler : get Nickname
6022 static int airo_get_nick(struct net_device *dev,
6023 struct iw_request_info *info,
6024 struct iw_point *dwrq,
6027 struct airo_info *local = dev->priv;
6029 readConfigRid(local, 1);
6030 strncpy(extra, local->config.nodeName, 16);
6032 dwrq->length = strlen(extra);
6037 /*------------------------------------------------------------------*/
6039 * Wireless Handler : set Bit-Rate
6041 static int airo_set_rate(struct net_device *dev,
6042 struct iw_request_info *info,
6043 struct iw_param *vwrq,
6046 struct airo_info *local = dev->priv;
6047 CapabilityRid cap_rid; /* Card capability info */
6051 /* First : get a valid bit rate value */
6052 readCapabilityRid(local, &cap_rid, 1);
6054 /* Which type of value ? */
6055 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6056 /* Setting by rate index */
6057 /* Find value in the magic rate table */
6058 brate = cap_rid.supportedRates[vwrq->value];
6060 /* Setting by frequency value */
6061 u8 normvalue = (u8) (vwrq->value/500000);
6063 /* Check if rate is valid */
6064 for(i = 0 ; i < 8 ; i++) {
6065 if(normvalue == cap_rid.supportedRates[i]) {
6071 /* -1 designed the max rate (mostly auto mode) */
6072 if(vwrq->value == -1) {
6073 /* Get the highest available rate */
6074 for(i = 0 ; i < 8 ; i++) {
6075 if(cap_rid.supportedRates[i] == 0)
6079 brate = cap_rid.supportedRates[i - 1];
6081 /* Check that it is valid */
6086 readConfigRid(local, 1);
6087 /* Now, check if we want a fixed or auto value */
6088 if(vwrq->fixed == 0) {
6089 /* Fill all the rates up to this max rate */
6090 memset(local->config.rates, 0, 8);
6091 for(i = 0 ; i < 8 ; i++) {
6092 local->config.rates[i] = cap_rid.supportedRates[i];
6093 if(local->config.rates[i] == brate)
6098 /* One rate, fixed */
6099 memset(local->config.rates, 0, 8);
6100 local->config.rates[0] = brate;
6102 set_bit (FLAG_COMMIT, &local->flags);
6104 return -EINPROGRESS; /* Call commit handler */
6107 /*------------------------------------------------------------------*/
6109 * Wireless Handler : get Bit-Rate
6111 static int airo_get_rate(struct net_device *dev,
6112 struct iw_request_info *info,
6113 struct iw_param *vwrq,
6116 struct airo_info *local = dev->priv;
6117 StatusRid status_rid; /* Card status info */
6119 readStatusRid(local, &status_rid, 1);
6121 vwrq->value = status_rid.currentXmitRate * 500000;
6122 /* If more than one rate, set auto */
6123 readConfigRid(local, 1);
6124 vwrq->fixed = (local->config.rates[1] == 0);
6129 /*------------------------------------------------------------------*/
6131 * Wireless Handler : set RTS threshold
6133 static int airo_set_rts(struct net_device *dev,
6134 struct iw_request_info *info,
6135 struct iw_param *vwrq,
6138 struct airo_info *local = dev->priv;
6139 int rthr = vwrq->value;
6142 rthr = AIRO_DEF_MTU;
6143 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6146 readConfigRid(local, 1);
6147 local->config.rtsThres = rthr;
6148 set_bit (FLAG_COMMIT, &local->flags);
6150 return -EINPROGRESS; /* Call commit handler */
6153 /*------------------------------------------------------------------*/
6155 * Wireless Handler : get RTS threshold
6157 static int airo_get_rts(struct net_device *dev,
6158 struct iw_request_info *info,
6159 struct iw_param *vwrq,
6162 struct airo_info *local = dev->priv;
6164 readConfigRid(local, 1);
6165 vwrq->value = local->config.rtsThres;
6166 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6172 /*------------------------------------------------------------------*/
6174 * Wireless Handler : set Fragmentation threshold
6176 static int airo_set_frag(struct net_device *dev,
6177 struct iw_request_info *info,
6178 struct iw_param *vwrq,
6181 struct airo_info *local = dev->priv;
6182 int fthr = vwrq->value;
6185 fthr = AIRO_DEF_MTU;
6186 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6189 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6190 readConfigRid(local, 1);
6191 local->config.fragThresh = (u16)fthr;
6192 set_bit (FLAG_COMMIT, &local->flags);
6194 return -EINPROGRESS; /* Call commit handler */
6197 /*------------------------------------------------------------------*/
6199 * Wireless Handler : get Fragmentation threshold
6201 static int airo_get_frag(struct net_device *dev,
6202 struct iw_request_info *info,
6203 struct iw_param *vwrq,
6206 struct airo_info *local = dev->priv;
6208 readConfigRid(local, 1);
6209 vwrq->value = local->config.fragThresh;
6210 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6216 /*------------------------------------------------------------------*/
6218 * Wireless Handler : set Mode of Operation
6220 static int airo_set_mode(struct net_device *dev,
6221 struct iw_request_info *info,
6225 struct airo_info *local = dev->priv;
6228 readConfigRid(local, 1);
6229 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6234 local->config.opmode &= 0xFF00;
6235 local->config.opmode |= MODE_STA_IBSS;
6236 local->config.rmode &= 0xfe00;
6237 local->config.scanMode = SCANMODE_ACTIVE;
6238 clear_bit (FLAG_802_11, &local->flags);
6241 local->config.opmode &= 0xFF00;
6242 local->config.opmode |= MODE_STA_ESS;
6243 local->config.rmode &= 0xfe00;
6244 local->config.scanMode = SCANMODE_ACTIVE;
6245 clear_bit (FLAG_802_11, &local->flags);
6247 case IW_MODE_MASTER:
6248 local->config.opmode &= 0xFF00;
6249 local->config.opmode |= MODE_AP;
6250 local->config.rmode &= 0xfe00;
6251 local->config.scanMode = SCANMODE_ACTIVE;
6252 clear_bit (FLAG_802_11, &local->flags);
6254 case IW_MODE_REPEAT:
6255 local->config.opmode &= 0xFF00;
6256 local->config.opmode |= MODE_AP_RPTR;
6257 local->config.rmode &= 0xfe00;
6258 local->config.scanMode = SCANMODE_ACTIVE;
6259 clear_bit (FLAG_802_11, &local->flags);
6261 case IW_MODE_MONITOR:
6262 local->config.opmode &= 0xFF00;
6263 local->config.opmode |= MODE_STA_ESS;
6264 local->config.rmode &= 0xfe00;
6265 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6266 local->config.scanMode = SCANMODE_PASSIVE;
6267 set_bit (FLAG_802_11, &local->flags);
6273 set_bit (FLAG_RESET, &local->flags);
6274 set_bit (FLAG_COMMIT, &local->flags);
6276 return -EINPROGRESS; /* Call commit handler */
6279 /*------------------------------------------------------------------*/
6281 * Wireless Handler : get Mode of Operation
6283 static int airo_get_mode(struct net_device *dev,
6284 struct iw_request_info *info,
6288 struct airo_info *local = dev->priv;
6290 readConfigRid(local, 1);
6291 /* If not managed, assume it's ad-hoc */
6292 switch (local->config.opmode & 0xFF) {
6294 *uwrq = IW_MODE_INFRA;
6297 *uwrq = IW_MODE_MASTER;
6300 *uwrq = IW_MODE_REPEAT;
6303 *uwrq = IW_MODE_ADHOC;
6309 /*------------------------------------------------------------------*/
6311 * Wireless Handler : set Encryption Key
6313 static int airo_set_encode(struct net_device *dev,
6314 struct iw_request_info *info,
6315 struct iw_point *dwrq,
6318 struct airo_info *local = dev->priv;
6319 CapabilityRid cap_rid; /* Card capability info */
6320 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6321 u16 currentAuthType = local->config.authType;
6323 /* Is WEP supported ? */
6324 readCapabilityRid(local, &cap_rid, 1);
6325 /* Older firmware doesn't support this...
6326 if(!(cap_rid.softCap & 2)) {
6329 readConfigRid(local, 1);
6331 /* Basic checking: do we have a key to set ?
6332 * Note : with the new API, it's impossible to get a NULL pointer.
6333 * Therefore, we need to check a key size == 0 instead.
6334 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6335 * when no key is present (only change flags), but older versions
6336 * don't do it. - Jean II */
6337 if (dwrq->length > 0) {
6339 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6340 int current_index = get_wep_key(local, 0xffff);
6341 /* Check the size of the key */
6342 if (dwrq->length > MAX_KEY_SIZE) {
6345 /* Check the index (none -> use current) */
6346 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6347 index = current_index;
6348 /* Set the length */
6349 if (dwrq->length > MIN_KEY_SIZE)
6350 key.len = MAX_KEY_SIZE;
6352 if (dwrq->length > 0)
6353 key.len = MIN_KEY_SIZE;
6355 /* Disable the key */
6357 /* Check if the key is not marked as invalid */
6358 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6360 memset(key.key, 0, MAX_KEY_SIZE);
6361 /* Copy the key in the driver */
6362 memcpy(key.key, extra, dwrq->length);
6363 /* Send the key to the card */
6364 set_wep_key(local, index, key.key, key.len, perm, 1);
6366 /* WE specify that if a valid key is set, encryption
6367 * should be enabled (user may turn it off later)
6368 * This is also how "iwconfig ethX key on" works */
6369 if((index == current_index) && (key.len > 0) &&
6370 (local->config.authType == AUTH_OPEN)) {
6371 local->config.authType = AUTH_ENCRYPT;
6374 /* Do we want to just set the transmit key index ? */
6375 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6376 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6377 set_wep_key(local, index, NULL, 0, perm, 1);
6379 /* Don't complain if only change the mode */
6380 if(!dwrq->flags & IW_ENCODE_MODE) {
6384 /* Read the flags */
6385 if(dwrq->flags & IW_ENCODE_DISABLED)
6386 local->config.authType = AUTH_OPEN; // disable encryption
6387 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6388 local->config.authType = AUTH_SHAREDKEY; // Only Both
6389 if(dwrq->flags & IW_ENCODE_OPEN)
6390 local->config.authType = AUTH_ENCRYPT; // Only Wep
6391 /* Commit the changes to flags if needed */
6392 if (local->config.authType != currentAuthType)
6393 set_bit (FLAG_COMMIT, &local->flags);
6394 return -EINPROGRESS; /* Call commit handler */
6397 /*------------------------------------------------------------------*/
6399 * Wireless Handler : get Encryption Key
6401 static int airo_get_encode(struct net_device *dev,
6402 struct iw_request_info *info,
6403 struct iw_point *dwrq,
6406 struct airo_info *local = dev->priv;
6407 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6408 CapabilityRid cap_rid; /* Card capability info */
6410 /* Is it supported ? */
6411 readCapabilityRid(local, &cap_rid, 1);
6412 if(!(cap_rid.softCap & 2)) {
6415 readConfigRid(local, 1);
6416 /* Check encryption mode */
6417 switch(local->config.authType) {
6419 dwrq->flags = IW_ENCODE_OPEN;
6421 case AUTH_SHAREDKEY:
6422 dwrq->flags = IW_ENCODE_RESTRICTED;
6426 dwrq->flags = IW_ENCODE_DISABLED;
6429 /* We can't return the key, so set the proper flag and return zero */
6430 dwrq->flags |= IW_ENCODE_NOKEY;
6431 memset(extra, 0, 16);
6433 /* Which key do we want ? -1 -> tx index */
6434 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6435 index = get_wep_key(local, 0xffff);
6436 dwrq->flags |= index + 1;
6437 /* Copy the key to the user buffer */
6438 dwrq->length = get_wep_key(local, index);
6439 if (dwrq->length > 16) {
6445 /*------------------------------------------------------------------*/
6447 * Wireless Handler : set extended Encryption parameters
6449 static int airo_set_encodeext(struct net_device *dev,
6450 struct iw_request_info *info,
6451 union iwreq_data *wrqu,
6454 struct airo_info *local = dev->priv;
6455 struct iw_point *encoding = &wrqu->encoding;
6456 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6457 CapabilityRid cap_rid; /* Card capability info */
6458 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6459 u16 currentAuthType = local->config.authType;
6460 int idx, key_len, alg = ext->alg, set_key = 1;
6463 /* Is WEP supported ? */
6464 readCapabilityRid(local, &cap_rid, 1);
6465 /* Older firmware doesn't support this...
6466 if(!(cap_rid.softCap & 2)) {
6469 readConfigRid(local, 1);
6471 /* Determine and validate the key index */
6472 idx = encoding->flags & IW_ENCODE_INDEX;
6474 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6478 idx = get_wep_key(local, 0xffff);
6480 if (encoding->flags & IW_ENCODE_DISABLED)
6481 alg = IW_ENCODE_ALG_NONE;
6483 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6484 /* Only set transmit key index here, actual
6485 * key is set below if needed.
6487 set_wep_key(local, idx, NULL, 0, perm, 1);
6488 set_key = ext->key_len > 0 ? 1 : 0;
6492 /* Set the requested key first */
6493 memset(key.key, 0, MAX_KEY_SIZE);
6495 case IW_ENCODE_ALG_NONE:
6498 case IW_ENCODE_ALG_WEP:
6499 if (ext->key_len > MIN_KEY_SIZE) {
6500 key.len = MAX_KEY_SIZE;
6501 } else if (ext->key_len > 0) {
6502 key.len = MIN_KEY_SIZE;
6506 key_len = min (ext->key_len, key.len);
6507 memcpy(key.key, ext->key, key_len);
6512 /* Send the key to the card */
6513 set_wep_key(local, idx, key.key, key.len, perm, 1);
6516 /* Read the flags */
6517 if(encoding->flags & IW_ENCODE_DISABLED)
6518 local->config.authType = AUTH_OPEN; // disable encryption
6519 if(encoding->flags & IW_ENCODE_RESTRICTED)
6520 local->config.authType = AUTH_SHAREDKEY; // Only Both
6521 if(encoding->flags & IW_ENCODE_OPEN)
6522 local->config.authType = AUTH_ENCRYPT; // Only Wep
6523 /* Commit the changes to flags if needed */
6524 if (local->config.authType != currentAuthType)
6525 set_bit (FLAG_COMMIT, &local->flags);
6527 return -EINPROGRESS;
6531 /*------------------------------------------------------------------*/
6533 * Wireless Handler : get extended Encryption parameters
6535 static int airo_get_encodeext(struct net_device *dev,
6536 struct iw_request_info *info,
6537 union iwreq_data *wrqu,
6540 struct airo_info *local = dev->priv;
6541 struct iw_point *encoding = &wrqu->encoding;
6542 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6543 CapabilityRid cap_rid; /* Card capability info */
6544 int idx, max_key_len;
6546 /* Is it supported ? */
6547 readCapabilityRid(local, &cap_rid, 1);
6548 if(!(cap_rid.softCap & 2)) {
6551 readConfigRid(local, 1);
6553 max_key_len = encoding->length - sizeof(*ext);
6554 if (max_key_len < 0)
6557 idx = encoding->flags & IW_ENCODE_INDEX;
6559 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6563 idx = get_wep_key(local, 0xffff);
6565 encoding->flags = idx + 1;
6566 memset(ext, 0, sizeof(*ext));
6568 /* Check encryption mode */
6569 switch(local->config.authType) {
6571 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6573 case AUTH_SHAREDKEY:
6574 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6578 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6581 /* We can't return the key, so set the proper flag and return zero */
6582 encoding->flags |= IW_ENCODE_NOKEY;
6583 memset(extra, 0, 16);
6585 /* Copy the key to the user buffer */
6586 ext->key_len = get_wep_key(local, idx);
6587 if (ext->key_len > 16) {
6595 /*------------------------------------------------------------------*/
6597 * Wireless Handler : set extended authentication parameters
6599 static int airo_set_auth(struct net_device *dev,
6600 struct iw_request_info *info,
6601 union iwreq_data *wrqu, char *extra)
6603 struct airo_info *local = dev->priv;
6604 struct iw_param *param = &wrqu->param;
6605 u16 currentAuthType = local->config.authType;
6607 switch (param->flags & IW_AUTH_INDEX) {
6608 case IW_AUTH_WPA_VERSION:
6609 case IW_AUTH_CIPHER_PAIRWISE:
6610 case IW_AUTH_CIPHER_GROUP:
6611 case IW_AUTH_KEY_MGMT:
6612 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6613 case IW_AUTH_PRIVACY_INVOKED:
6615 * airo does not use these parameters
6619 case IW_AUTH_DROP_UNENCRYPTED:
6621 /* Only change auth type if unencrypted */
6622 if (currentAuthType == AUTH_OPEN)
6623 local->config.authType = AUTH_ENCRYPT;
6625 local->config.authType = AUTH_OPEN;
6628 /* Commit the changes to flags if needed */
6629 if (local->config.authType != currentAuthType)
6630 set_bit (FLAG_COMMIT, &local->flags);
6633 case IW_AUTH_80211_AUTH_ALG: {
6634 /* FIXME: What about AUTH_OPEN? This API seems to
6635 * disallow setting our auth to AUTH_OPEN.
6637 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6638 local->config.authType = AUTH_SHAREDKEY;
6639 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6640 local->config.authType = AUTH_ENCRYPT;
6645 /* Commit the changes to flags if needed */
6646 if (local->config.authType != currentAuthType)
6647 set_bit (FLAG_COMMIT, &local->flags);
6650 case IW_AUTH_WPA_ENABLED:
6651 /* Silently accept disable of WPA */
6652 if (param->value > 0)
6659 return -EINPROGRESS;
6663 /*------------------------------------------------------------------*/
6665 * Wireless Handler : get extended authentication parameters
6667 static int airo_get_auth(struct net_device *dev,
6668 struct iw_request_info *info,
6669 union iwreq_data *wrqu, char *extra)
6671 struct airo_info *local = dev->priv;
6672 struct iw_param *param = &wrqu->param;
6673 u16 currentAuthType = local->config.authType;
6675 switch (param->flags & IW_AUTH_INDEX) {
6676 case IW_AUTH_DROP_UNENCRYPTED:
6677 switch (currentAuthType) {
6678 case AUTH_SHAREDKEY:
6688 case IW_AUTH_80211_AUTH_ALG:
6689 switch (currentAuthType) {
6690 case AUTH_SHAREDKEY:
6691 param->value = IW_AUTH_ALG_SHARED_KEY;
6695 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6700 case IW_AUTH_WPA_ENABLED:
6711 /*------------------------------------------------------------------*/
6713 * Wireless Handler : set Tx-Power
6715 static int airo_set_txpow(struct net_device *dev,
6716 struct iw_request_info *info,
6717 struct iw_param *vwrq,
6720 struct airo_info *local = dev->priv;
6721 CapabilityRid cap_rid; /* Card capability info */
6725 readCapabilityRid(local, &cap_rid, 1);
6727 if (vwrq->disabled) {
6728 set_bit (FLAG_RADIO_OFF, &local->flags);
6729 set_bit (FLAG_COMMIT, &local->flags);
6730 return -EINPROGRESS; /* Call commit handler */
6732 if (vwrq->flags != IW_TXPOW_MWATT) {
6735 clear_bit (FLAG_RADIO_OFF, &local->flags);
6736 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6737 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6738 readConfigRid(local, 1);
6739 local->config.txPower = vwrq->value;
6740 set_bit (FLAG_COMMIT, &local->flags);
6741 rc = -EINPROGRESS; /* Call commit handler */
6747 /*------------------------------------------------------------------*/
6749 * Wireless Handler : get Tx-Power
6751 static int airo_get_txpow(struct net_device *dev,
6752 struct iw_request_info *info,
6753 struct iw_param *vwrq,
6756 struct airo_info *local = dev->priv;
6758 readConfigRid(local, 1);
6759 vwrq->value = local->config.txPower;
6760 vwrq->fixed = 1; /* No power control */
6761 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6762 vwrq->flags = IW_TXPOW_MWATT;
6767 /*------------------------------------------------------------------*/
6769 * Wireless Handler : set Retry limits
6771 static int airo_set_retry(struct net_device *dev,
6772 struct iw_request_info *info,
6773 struct iw_param *vwrq,
6776 struct airo_info *local = dev->priv;
6779 if(vwrq->disabled) {
6782 readConfigRid(local, 1);
6783 if(vwrq->flags & IW_RETRY_LIMIT) {
6784 if(vwrq->flags & IW_RETRY_LONG)
6785 local->config.longRetryLimit = vwrq->value;
6786 else if (vwrq->flags & IW_RETRY_SHORT)
6787 local->config.shortRetryLimit = vwrq->value;
6789 /* No modifier : set both */
6790 local->config.longRetryLimit = vwrq->value;
6791 local->config.shortRetryLimit = vwrq->value;
6793 set_bit (FLAG_COMMIT, &local->flags);
6794 rc = -EINPROGRESS; /* Call commit handler */
6796 if(vwrq->flags & IW_RETRY_LIFETIME) {
6797 local->config.txLifetime = vwrq->value / 1024;
6798 set_bit (FLAG_COMMIT, &local->flags);
6799 rc = -EINPROGRESS; /* Call commit handler */
6804 /*------------------------------------------------------------------*/
6806 * Wireless Handler : get Retry limits
6808 static int airo_get_retry(struct net_device *dev,
6809 struct iw_request_info *info,
6810 struct iw_param *vwrq,
6813 struct airo_info *local = dev->priv;
6815 vwrq->disabled = 0; /* Can't be disabled */
6817 readConfigRid(local, 1);
6818 /* Note : by default, display the min retry number */
6819 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6820 vwrq->flags = IW_RETRY_LIFETIME;
6821 vwrq->value = (int)local->config.txLifetime * 1024;
6822 } else if((vwrq->flags & IW_RETRY_LONG)) {
6823 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6824 vwrq->value = (int)local->config.longRetryLimit;
6826 vwrq->flags = IW_RETRY_LIMIT;
6827 vwrq->value = (int)local->config.shortRetryLimit;
6828 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6829 vwrq->flags |= IW_RETRY_SHORT;
6835 /*------------------------------------------------------------------*/
6837 * Wireless Handler : get range info
6839 static int airo_get_range(struct net_device *dev,
6840 struct iw_request_info *info,
6841 struct iw_point *dwrq,
6844 struct airo_info *local = dev->priv;
6845 struct iw_range *range = (struct iw_range *) extra;
6846 CapabilityRid cap_rid; /* Card capability info */
6850 readCapabilityRid(local, &cap_rid, 1);
6852 dwrq->length = sizeof(struct iw_range);
6853 memset(range, 0, sizeof(*range));
6854 range->min_nwid = 0x0000;
6855 range->max_nwid = 0x0000;
6856 range->num_channels = 14;
6857 /* Should be based on cap_rid.country to give only
6858 * what the current card support */
6860 for(i = 0; i < 14; i++) {
6861 range->freq[k].i = i + 1; /* List index */
6862 range->freq[k].m = frequency_list[i] * 100000;
6863 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6865 range->num_frequency = k;
6867 range->sensitivity = 65535;
6869 /* Hum... Should put the right values there */
6871 range->max_qual.qual = 100; /* % */
6873 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6874 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6875 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6877 /* Experimental measurements - boundary 11/5.5 Mb/s */
6878 /* Note : with or without the (local->rssi), results
6879 * are somewhat different. - Jean II */
6881 range->avg_qual.qual = 50; /* % */
6882 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6884 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6885 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6887 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6889 for(i = 0 ; i < 8 ; i++) {
6890 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6891 if(range->bitrate[i] == 0)
6894 range->num_bitrates = i;
6896 /* Set an indication of the max TCP throughput
6897 * in bit/s that we can expect using this interface.
6898 * May be use for QoS stuff... Jean II */
6900 range->throughput = 5000 * 1000;
6902 range->throughput = 1500 * 1000;
6905 range->max_rts = AIRO_DEF_MTU;
6906 range->min_frag = 256;
6907 range->max_frag = AIRO_DEF_MTU;
6909 if(cap_rid.softCap & 2) {
6911 range->encoding_size[0] = 5;
6913 if (cap_rid.softCap & 0x100) {
6914 range->encoding_size[1] = 13;
6915 range->num_encoding_sizes = 2;
6917 range->num_encoding_sizes = 1;
6918 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6920 range->num_encoding_sizes = 0;
6921 range->max_encoding_tokens = 0;
6924 range->max_pmp = 5000000; /* 5 secs */
6926 range->max_pmt = 65535 * 1024; /* ??? */
6927 range->pmp_flags = IW_POWER_PERIOD;
6928 range->pmt_flags = IW_POWER_TIMEOUT;
6929 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6931 /* Transmit Power - values are in mW */
6932 for(i = 0 ; i < 8 ; i++) {
6933 range->txpower[i] = cap_rid.txPowerLevels[i];
6934 if(range->txpower[i] == 0)
6937 range->num_txpower = i;
6938 range->txpower_capa = IW_TXPOW_MWATT;
6939 range->we_version_source = 19;
6940 range->we_version_compiled = WIRELESS_EXT;
6941 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6942 range->retry_flags = IW_RETRY_LIMIT;
6943 range->r_time_flags = IW_RETRY_LIFETIME;
6944 range->min_retry = 1;
6945 range->max_retry = 65535;
6946 range->min_r_time = 1024;
6947 range->max_r_time = 65535 * 1024;
6949 /* Event capability (kernel + driver) */
6950 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6951 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6952 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6953 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6954 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6955 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6959 /*------------------------------------------------------------------*/
6961 * Wireless Handler : set Power Management
6963 static int airo_set_power(struct net_device *dev,
6964 struct iw_request_info *info,
6965 struct iw_param *vwrq,
6968 struct airo_info *local = dev->priv;
6970 readConfigRid(local, 1);
6971 if (vwrq->disabled) {
6972 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6975 local->config.powerSaveMode = POWERSAVE_CAM;
6976 local->config.rmode &= 0xFF00;
6977 local->config.rmode |= RXMODE_BC_MC_ADDR;
6978 set_bit (FLAG_COMMIT, &local->flags);
6979 return -EINPROGRESS; /* Call commit handler */
6981 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
6982 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
6983 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6984 set_bit (FLAG_COMMIT, &local->flags);
6985 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
6986 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
6987 local->config.powerSaveMode = POWERSAVE_PSPCAM;
6988 set_bit (FLAG_COMMIT, &local->flags);
6990 switch (vwrq->flags & IW_POWER_MODE) {
6991 case IW_POWER_UNICAST_R:
6992 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
6995 local->config.rmode &= 0xFF00;
6996 local->config.rmode |= RXMODE_ADDR;
6997 set_bit (FLAG_COMMIT, &local->flags);
6999 case IW_POWER_ALL_R:
7000 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7003 local->config.rmode &= 0xFF00;
7004 local->config.rmode |= RXMODE_BC_MC_ADDR;
7005 set_bit (FLAG_COMMIT, &local->flags);
7007 /* This is broken, fixme ;-) */
7012 // Note : we may want to factor local->need_commit here
7013 // Note2 : may also want to factor RXMODE_RFMON test
7014 return -EINPROGRESS; /* Call commit handler */
7017 /*------------------------------------------------------------------*/
7019 * Wireless Handler : get Power Management
7021 static int airo_get_power(struct net_device *dev,
7022 struct iw_request_info *info,
7023 struct iw_param *vwrq,
7026 struct airo_info *local = dev->priv;
7029 readConfigRid(local, 1);
7030 mode = local->config.powerSaveMode;
7031 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7033 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7034 vwrq->value = (int)local->config.fastListenDelay * 1024;
7035 vwrq->flags = IW_POWER_TIMEOUT;
7037 vwrq->value = (int)local->config.fastListenInterval * 1024;
7038 vwrq->flags = IW_POWER_PERIOD;
7040 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7041 vwrq->flags |= IW_POWER_UNICAST_R;
7043 vwrq->flags |= IW_POWER_ALL_R;
7048 /*------------------------------------------------------------------*/
7050 * Wireless Handler : set Sensitivity
7052 static int airo_set_sens(struct net_device *dev,
7053 struct iw_request_info *info,
7054 struct iw_param *vwrq,
7057 struct airo_info *local = dev->priv;
7059 readConfigRid(local, 1);
7060 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7061 set_bit (FLAG_COMMIT, &local->flags);
7063 return -EINPROGRESS; /* Call commit handler */
7066 /*------------------------------------------------------------------*/
7068 * Wireless Handler : get Sensitivity
7070 static int airo_get_sens(struct net_device *dev,
7071 struct iw_request_info *info,
7072 struct iw_param *vwrq,
7075 struct airo_info *local = dev->priv;
7077 readConfigRid(local, 1);
7078 vwrq->value = local->config.rssiThreshold;
7079 vwrq->disabled = (vwrq->value == 0);
7085 /*------------------------------------------------------------------*/
7087 * Wireless Handler : get AP List
7088 * Note : this is deprecated in favor of IWSCAN
7090 static int airo_get_aplist(struct net_device *dev,
7091 struct iw_request_info *info,
7092 struct iw_point *dwrq,
7095 struct airo_info *local = dev->priv;
7096 struct sockaddr *address = (struct sockaddr *) extra;
7097 struct iw_quality qual[IW_MAX_AP];
7100 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7102 for (i = 0; i < IW_MAX_AP; i++) {
7103 if (readBSSListRid(local, loseSync, &BSSList))
7106 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7107 address[i].sa_family = ARPHRD_ETHER;
7109 qual[i].level = 0x100 - BSSList.dBm;
7110 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7111 qual[i].updated = IW_QUAL_QUAL_UPDATED
7112 | IW_QUAL_LEVEL_UPDATED
7115 qual[i].level = (BSSList.dBm + 321) / 2;
7117 qual[i].updated = IW_QUAL_QUAL_INVALID
7118 | IW_QUAL_LEVEL_UPDATED
7121 qual[i].noise = local->wstats.qual.noise;
7122 if (BSSList.index == 0xffff)
7126 StatusRid status_rid; /* Card status info */
7127 readStatusRid(local, &status_rid, 1);
7129 i < min(IW_MAX_AP, 4) &&
7130 (status_rid.bssid[i][0]
7131 & status_rid.bssid[i][1]
7132 & status_rid.bssid[i][2]
7133 & status_rid.bssid[i][3]
7134 & status_rid.bssid[i][4]
7135 & status_rid.bssid[i][5])!=0xff &&
7136 (status_rid.bssid[i][0]
7137 | status_rid.bssid[i][1]
7138 | status_rid.bssid[i][2]
7139 | status_rid.bssid[i][3]
7140 | status_rid.bssid[i][4]
7141 | status_rid.bssid[i][5]);
7143 memcpy(address[i].sa_data,
7144 status_rid.bssid[i], ETH_ALEN);
7145 address[i].sa_family = ARPHRD_ETHER;
7148 dwrq->flags = 1; /* Should be define'd */
7149 memcpy(extra + sizeof(struct sockaddr)*i,
7150 &qual, sizeof(struct iw_quality)*i);
7157 /*------------------------------------------------------------------*/
7159 * Wireless Handler : Initiate Scan
7161 static int airo_set_scan(struct net_device *dev,
7162 struct iw_request_info *info,
7163 struct iw_param *vwrq,
7166 struct airo_info *ai = dev->priv;
7171 /* Note : you may have realised that, as this is a SET operation,
7172 * this is privileged and therefore a normal user can't
7174 * This is not an error, while the device perform scanning,
7175 * traffic doesn't flow, so it's a perfect DoS...
7177 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7179 if (down_interruptible(&ai->sem))
7180 return -ERESTARTSYS;
7182 /* If there's already a scan in progress, don't
7183 * trigger another one. */
7184 if (ai->scan_timeout > 0)
7187 /* Initiate a scan command */
7188 ai->scan_timeout = RUN_AT(3*HZ);
7189 memset(&cmd, 0, sizeof(cmd));
7190 cmd.cmd=CMD_LISTBSS;
7191 issuecommand(ai, &cmd, &rsp);
7197 wake_up_interruptible(&ai->thr_wait);
7201 /*------------------------------------------------------------------*/
7203 * Translate scan data returned from the card to a card independent
7204 * format that the Wireless Tools will understand - Jean II
7206 static inline char *airo_translate_scan(struct net_device *dev,
7211 struct airo_info *ai = dev->priv;
7212 struct iw_event iwe; /* Temporary buffer */
7214 char * current_val; /* For rates */
7218 /* First entry *MUST* be the AP MAC address */
7219 iwe.cmd = SIOCGIWAP;
7220 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7221 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7222 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7224 /* Other entries will be displayed in the order we give them */
7227 iwe.u.data.length = bss->ssidLen;
7228 if(iwe.u.data.length > 32)
7229 iwe.u.data.length = 32;
7230 iwe.cmd = SIOCGIWESSID;
7231 iwe.u.data.flags = 1;
7232 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7235 iwe.cmd = SIOCGIWMODE;
7236 capabilities = le16_to_cpu(bss->cap);
7237 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7238 if(capabilities & CAP_ESS)
7239 iwe.u.mode = IW_MODE_MASTER;
7241 iwe.u.mode = IW_MODE_ADHOC;
7242 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7246 iwe.cmd = SIOCGIWFREQ;
7247 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7248 /* iwe.u.freq.m containt the channel (starting 1), our
7249 * frequency_list array start at index 0...
7251 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7253 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7255 /* Add quality statistics */
7258 iwe.u.qual.level = 0x100 - bss->dBm;
7259 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7260 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7261 | IW_QUAL_LEVEL_UPDATED
7264 iwe.u.qual.level = (bss->dBm + 321) / 2;
7265 iwe.u.qual.qual = 0;
7266 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7267 | IW_QUAL_LEVEL_UPDATED
7270 iwe.u.qual.noise = ai->wstats.qual.noise;
7271 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7273 /* Add encryption capability */
7274 iwe.cmd = SIOCGIWENCODE;
7275 if(capabilities & CAP_PRIVACY)
7276 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7278 iwe.u.data.flags = IW_ENCODE_DISABLED;
7279 iwe.u.data.length = 0;
7280 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7282 /* Rate : stuffing multiple values in a single event require a bit
7283 * more of magic - Jean II */
7284 current_val = current_ev + IW_EV_LCP_LEN;
7286 iwe.cmd = SIOCGIWRATE;
7287 /* Those two flags are ignored... */
7288 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7290 for(i = 0 ; i < 8 ; i++) {
7291 /* NULL terminated */
7292 if(bss->rates[i] == 0)
7294 /* Bit rate given in 500 kb/s units (+ 0x80) */
7295 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7296 /* Add new value to event */
7297 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7299 /* Check if we added any event */
7300 if((current_val - current_ev) > IW_EV_LCP_LEN)
7301 current_ev = current_val;
7303 /* Beacon interval */
7304 buf = kmalloc(30, GFP_KERNEL);
7306 iwe.cmd = IWEVCUSTOM;
7307 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7308 iwe.u.data.length = strlen(buf);
7309 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7313 /* Put WPA/RSN Information Elements into the event stream */
7314 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7315 unsigned int num_null_ies = 0;
7316 u16 length = sizeof (bss->extra.iep);
7317 struct ieee80211_info_element *info_element =
7318 (struct ieee80211_info_element *) &bss->extra.iep;
7320 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7321 if (sizeof(*info_element) + info_element->len > length) {
7322 /* Invalid element, don't continue parsing IE */
7326 switch (info_element->id) {
7327 case MFIE_TYPE_SSID:
7328 /* Two zero-length SSID elements
7329 * mean we're done parsing elements */
7330 if (!info_element->len)
7334 case MFIE_TYPE_GENERIC:
7335 if (info_element->len >= 4 &&
7336 info_element->data[0] == 0x00 &&
7337 info_element->data[1] == 0x50 &&
7338 info_element->data[2] == 0xf2 &&
7339 info_element->data[3] == 0x01) {
7340 iwe.cmd = IWEVGENIE;
7341 iwe.u.data.length = min(info_element->len + 2,
7343 current_ev = iwe_stream_add_point(current_ev, end_buf,
7344 &iwe, (char *) info_element);
7349 iwe.cmd = IWEVGENIE;
7350 iwe.u.data.length = min(info_element->len + 2,
7352 current_ev = iwe_stream_add_point(current_ev, end_buf,
7353 &iwe, (char *) info_element);
7360 length -= sizeof(*info_element) + info_element->len;
7362 (struct ieee80211_info_element *)&info_element->
7363 data[info_element->len];
7369 /*------------------------------------------------------------------*/
7371 * Wireless Handler : Read Scan Results
7373 static int airo_get_scan(struct net_device *dev,
7374 struct iw_request_info *info,
7375 struct iw_point *dwrq,
7378 struct airo_info *ai = dev->priv;
7379 BSSListElement *net;
7381 char *current_ev = extra;
7383 /* If a scan is in-progress, return -EAGAIN */
7384 if (ai->scan_timeout > 0)
7387 if (down_interruptible(&ai->sem))
7390 list_for_each_entry (net, &ai->network_list, list) {
7391 /* Translate to WE format this entry */
7392 current_ev = airo_translate_scan(dev, current_ev,
7393 extra + dwrq->length,
7396 /* Check if there is space for one more entry */
7397 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7398 /* Ask user space to try again with a bigger buffer */
7404 /* Length of data */
7405 dwrq->length = (current_ev - extra);
7406 dwrq->flags = 0; /* todo */
7413 /*------------------------------------------------------------------*/
7415 * Commit handler : called after a bunch of SET operations
7417 static int airo_config_commit(struct net_device *dev,
7418 struct iw_request_info *info, /* NULL */
7419 void *zwrq, /* NULL */
7420 char *extra) /* NULL */
7422 struct airo_info *local = dev->priv;
7425 if (!test_bit (FLAG_COMMIT, &local->flags))
7428 /* Some of the "SET" function may have modified some of the
7429 * parameters. It's now time to commit them in the card */
7430 disable_MAC(local, 1);
7431 if (test_bit (FLAG_RESET, &local->flags)) {
7432 APListRid APList_rid;
7435 readAPListRid(local, &APList_rid);
7436 readSsidRid(local, &SSID_rid);
7437 if (test_bit(FLAG_MPI,&local->flags))
7438 setup_card(local, dev->dev_addr, 1 );
7440 reset_airo_card(dev);
7441 disable_MAC(local, 1);
7442 writeSsidRid(local, &SSID_rid, 1);
7443 writeAPListRid(local, &APList_rid, 1);
7445 if (down_interruptible(&local->sem))
7446 return -ERESTARTSYS;
7447 writeConfigRid(local, 0);
7448 enable_MAC(local, &rsp, 0);
7449 if (test_bit (FLAG_RESET, &local->flags))
7450 airo_set_promisc(local);
7457 /*------------------------------------------------------------------*/
7459 * Structures to export the Wireless Handlers
7462 static const struct iw_priv_args airo_private_args[] = {
7463 /*{ cmd, set_args, get_args, name } */
7464 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7465 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7466 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7467 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7470 static const iw_handler airo_handler[] =
7472 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7473 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7474 (iw_handler) NULL, /* SIOCSIWNWID */
7475 (iw_handler) NULL, /* SIOCGIWNWID */
7476 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7477 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7478 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7479 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7480 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7481 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7482 (iw_handler) NULL, /* SIOCSIWRANGE */
7483 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7484 (iw_handler) NULL, /* SIOCSIWPRIV */
7485 (iw_handler) NULL, /* SIOCGIWPRIV */
7486 (iw_handler) NULL, /* SIOCSIWSTATS */
7487 (iw_handler) NULL, /* SIOCGIWSTATS */
7488 iw_handler_set_spy, /* SIOCSIWSPY */
7489 iw_handler_get_spy, /* SIOCGIWSPY */
7490 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7491 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7492 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7493 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7494 (iw_handler) NULL, /* -- hole -- */
7495 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7496 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7497 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7498 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7499 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7500 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7501 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7502 (iw_handler) NULL, /* -- hole -- */
7503 (iw_handler) NULL, /* -- hole -- */
7504 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7505 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7506 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7507 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7508 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7509 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7510 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7511 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7512 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7513 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7514 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7515 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7516 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7517 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7518 (iw_handler) NULL, /* -- hole -- */
7519 (iw_handler) NULL, /* -- hole -- */
7520 (iw_handler) NULL, /* SIOCSIWGENIE */
7521 (iw_handler) NULL, /* SIOCGIWGENIE */
7522 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7523 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7524 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7525 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7526 (iw_handler) NULL, /* SIOCSIWPMKSA */
7529 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7530 * We want to force the use of the ioctl code, because those can't be
7531 * won't work the iw_handler code (because they simultaneously read
7532 * and write data and iw_handler can't do that).
7533 * Note that it's perfectly legal to read/write on a single ioctl command,
7534 * you just can't use iwpriv and need to force it via the ioctl handler.
7536 static const iw_handler airo_private_handler[] =
7538 NULL, /* SIOCIWFIRSTPRIV */
7541 static const struct iw_handler_def airo_handler_def =
7543 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7544 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7545 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7546 .standard = airo_handler,
7547 .private = airo_private_handler,
7548 .private_args = airo_private_args,
7549 .get_wireless_stats = airo_get_wireless_stats,
7553 * This defines the configuration part of the Wireless Extensions
7554 * Note : irq and spinlock protection will occur in the subroutines
7557 * o Check input value more carefully and fill correct values in range
7558 * o Test and shakeout the bugs (if any)
7562 * Javier Achirica did a great job of merging code from the unnamed CISCO
7563 * developer that added support for flashing the card.
7565 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7568 struct airo_info *ai = (struct airo_info *)dev->priv;
7570 if (ai->power.event)
7580 int val = AIROMAGIC;
7582 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7584 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7593 /* Get the command struct and hand it off for evaluation by
7594 * the proper subfunction
7598 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7603 /* Separate R/W functions bracket legality here
7605 if ( com.command == AIRORSWVERSION ) {
7606 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7611 else if ( com.command <= AIRORRID)
7612 rc = readrids(dev,&com);
7613 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7614 rc = writerids(dev,&com);
7615 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7616 rc = flashcard(dev,&com);
7618 rc = -EINVAL; /* Bad command in ioctl */
7621 #endif /* CISCO_EXT */
7623 // All other calls are currently unsupported
7631 * Get the Wireless stats out of the driver
7632 * Note : irq and spinlock protection will occur in the subroutines
7635 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7639 static void airo_read_wireless_stats(struct airo_info *local)
7641 StatusRid status_rid;
7643 CapabilityRid cap_rid;
7644 u32 *vals = stats_rid.vals;
7646 /* Get stats out of the card */
7647 clear_bit(JOB_WSTATS, &local->jobs);
7648 if (local->power.event) {
7652 readCapabilityRid(local, &cap_rid, 0);
7653 readStatusRid(local, &status_rid, 0);
7654 readStatsRid(local, &stats_rid, RID_STATS, 0);
7658 local->wstats.status = status_rid.mode;
7660 /* Signal quality and co */
7662 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7663 /* normalizedSignalStrength appears to be a percentage */
7664 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7666 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7667 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7669 if (status_rid.len >= 124) {
7670 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7671 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7673 local->wstats.qual.noise = 0;
7674 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7677 /* Packets discarded in the wireless adapter due to wireless
7678 * specific problems */
7679 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7680 local->wstats.discard.code = vals[6];/* RxWepErr */
7681 local->wstats.discard.fragment = vals[30];
7682 local->wstats.discard.retries = vals[10];
7683 local->wstats.discard.misc = vals[1] + vals[32];
7684 local->wstats.miss.beacon = vals[34];
7687 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7689 struct airo_info *local = dev->priv;
7691 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7692 /* Get stats out of the card if available */
7693 if (down_trylock(&local->sem) != 0) {
7694 set_bit(JOB_WSTATS, &local->jobs);
7695 wake_up_interruptible(&local->thr_wait);
7697 airo_read_wireless_stats(local);
7700 return &local->wstats;
7705 * This just translates from driver IOCTL codes to the command codes to
7706 * feed to the radio's host interface. Things can be added/deleted
7707 * as needed. This represents the READ side of control I/O to
7710 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7711 unsigned short ridcode;
7712 unsigned char *iobuf;
7714 struct airo_info *ai = dev->priv;
7717 if (test_bit(FLAG_FLASHING, &ai->flags))
7720 switch(comp->command)
7722 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7723 case AIROGCFG: ridcode = RID_CONFIG;
7724 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7725 disable_MAC (ai, 1);
7726 writeConfigRid (ai, 1);
7727 enable_MAC (ai, &rsp, 1);
7730 case AIROGSLIST: ridcode = RID_SSID; break;
7731 case AIROGVLIST: ridcode = RID_APLIST; break;
7732 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7733 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7734 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7735 /* Only super-user can read WEP keys */
7736 if (!capable(CAP_NET_ADMIN))
7739 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7740 /* Only super-user can read WEP keys */
7741 if (!capable(CAP_NET_ADMIN))
7744 case AIROGSTAT: ridcode = RID_STATUS; break;
7745 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7746 case AIROGSTATSC32: ridcode = RID_STATS; break;
7748 if (copy_to_user(comp->data, &ai->micstats,
7749 min((int)comp->len,(int)sizeof(ai->micstats))))
7752 case AIRORRID: ridcode = comp->ridnum; break;
7758 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7761 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7762 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7763 * then return it to the user
7764 * 9/22/2000 Honor user given length
7768 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7777 * Danger Will Robinson write the rids here
7780 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7781 struct airo_info *ai = dev->priv;
7785 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7786 unsigned char *iobuf;
7788 /* Only super-user can write RIDs */
7789 if (!capable(CAP_NET_ADMIN))
7792 if (test_bit(FLAG_FLASHING, &ai->flags))
7796 writer = do_writerid;
7798 switch(comp->command)
7800 case AIROPSIDS: ridcode = RID_SSID; break;
7801 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7802 case AIROPAPLIST: ridcode = RID_APLIST; break;
7803 case AIROPCFG: ai->config.len = 0;
7804 clear_bit(FLAG_COMMIT, &ai->flags);
7805 ridcode = RID_CONFIG; break;
7806 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7807 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7808 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7809 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7811 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7812 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7814 /* this is not really a rid but a command given to the card
7818 if (enable_MAC(ai, &rsp, 1) != 0)
7823 * Evidently this code in the airo driver does not get a symbol
7824 * as disable_MAC. it's probably so short the compiler does not gen one.
7830 /* This command merely clears the counts does not actually store any data
7831 * only reads rid. But as it changes the cards state, I put it in the
7832 * writerid routines.
7835 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7838 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7840 enabled = ai->micstats.enabled;
7841 memset(&ai->micstats,0,sizeof(ai->micstats));
7842 ai->micstats.enabled = enabled;
7844 if (copy_to_user(comp->data, iobuf,
7845 min((int)comp->len, (int)RIDSIZE))) {
7853 return -EOPNOTSUPP; /* Blarg! */
7855 if(comp->len > RIDSIZE)
7858 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7861 if (copy_from_user(iobuf,comp->data,comp->len)) {
7866 if (comp->command == AIROPCFG) {
7867 ConfigRid *cfg = (ConfigRid *)iobuf;
7869 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7870 cfg->opmode |= MODE_MIC;
7872 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7873 set_bit (FLAG_ADHOC, &ai->flags);
7875 clear_bit (FLAG_ADHOC, &ai->flags);
7878 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7886 /*****************************************************************************
7887 * Ancillary flash / mod functions much black magic lurkes here *
7888 *****************************************************************************
7892 * Flash command switch table
7895 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7898 /* Only super-user can modify flash */
7899 if (!capable(CAP_NET_ADMIN))
7902 switch(comp->command)
7905 return cmdreset((struct airo_info *)dev->priv);
7908 if (!((struct airo_info *)dev->priv)->flash &&
7909 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7911 return setflashmode((struct airo_info *)dev->priv);
7913 case AIROFLSHGCHR: /* Get char from aux */
7914 if(comp->len != sizeof(int))
7916 if (copy_from_user(&z,comp->data,comp->len))
7918 return flashgchar((struct airo_info *)dev->priv,z,8000);
7920 case AIROFLSHPCHR: /* Send char to card. */
7921 if(comp->len != sizeof(int))
7923 if (copy_from_user(&z,comp->data,comp->len))
7925 return flashpchar((struct airo_info *)dev->priv,z,8000);
7927 case AIROFLPUTBUF: /* Send 32k to card */
7928 if (!((struct airo_info *)dev->priv)->flash)
7930 if(comp->len > FLASHSIZE)
7932 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7935 flashputbuf((struct airo_info *)dev->priv);
7939 if(flashrestart((struct airo_info *)dev->priv,dev))
7946 #define FLASH_COMMAND 0x7e7e
7950 * Disable MAC and do soft reset on
7954 static int cmdreset(struct airo_info *ai) {
7958 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
7962 OUT4500(ai,COMMAND,CMD_SOFTRESET);
7964 ssleep(1); /* WAS 600 12/7/00 */
7967 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
7974 * Put the card in legendary flash
7978 static int setflashmode (struct airo_info *ai) {
7979 set_bit (FLAG_FLASHING, &ai->flags);
7981 OUT4500(ai, SWS0, FLASH_COMMAND);
7982 OUT4500(ai, SWS1, FLASH_COMMAND);
7984 OUT4500(ai, SWS0, FLASH_COMMAND);
7985 OUT4500(ai, COMMAND,0x10);
7987 OUT4500(ai, SWS2, FLASH_COMMAND);
7988 OUT4500(ai, SWS3, FLASH_COMMAND);
7989 OUT4500(ai, COMMAND,0);
7991 msleep(500); /* 500ms delay */
7994 clear_bit (FLAG_FLASHING, &ai->flags);
7995 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8001 /* Put character to SWS0 wait for dwelltime
8005 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8016 /* Wait for busy bit d15 to go false indicating buffer empty */
8017 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8022 /* timeout for busy clear wait */
8024 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8028 /* Port is clear now write byte and wait for it to echo back */
8030 OUT4500(ai,SWS0,byte);
8033 echo = IN4500(ai,SWS1);
8034 } while (dwelltime >= 0 && echo != byte);
8038 return (echo == byte) ? 0 : -EIO;
8042 * Get a character from the card matching matchbyte
8045 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8047 unsigned char rbyte=0;
8050 rchar = IN4500(ai,SWS1);
8052 if(dwelltime && !(0x8000 & rchar)){
8057 rbyte = 0xff & rchar;
8059 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8063 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8067 }while(dwelltime > 0);
8072 * Transfer 32k of firmware data from user buffer to our buffer and
8076 static int flashputbuf(struct airo_info *ai){
8080 if (test_bit(FLAG_MPI,&ai->flags))
8081 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8083 OUT4500(ai,AUXPAGE,0x100);
8084 OUT4500(ai,AUXOFF,0);
8086 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8087 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8090 OUT4500(ai,SWS0,0x8000);
8098 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8101 ssleep(1); /* Added 12/7/00 */
8102 clear_bit (FLAG_FLASHING, &ai->flags);
8103 if (test_bit(FLAG_MPI, &ai->flags)) {
8104 status = mpi_init_descriptors(ai);
8105 if (status != SUCCESS)
8108 status = setup_card(ai, dev->dev_addr, 1);
8110 if (!test_bit(FLAG_MPI,&ai->flags))
8111 for( i = 0; i < MAX_FIDS; i++ ) {
8112 ai->fids[i] = transmit_allocate
8113 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8116 ssleep(1); /* Added 12/7/00 */
8119 #endif /* CISCO_EXT */
8122 This program is free software; you can redistribute it and/or
8123 modify it under the terms of the GNU General Public License
8124 as published by the Free Software Foundation; either version 2
8125 of the License, or (at your option) any later version.
8127 This program is distributed in the hope that it will be useful,
8128 but WITHOUT ANY WARRANTY; without even the implied warranty of
8129 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8130 GNU General Public License for more details.
8134 Redistribution and use in source and binary forms, with or without
8135 modification, are permitted provided that the following conditions
8138 1. Redistributions of source code must retain the above copyright
8139 notice, this list of conditions and the following disclaimer.
8140 2. Redistributions in binary form must reproduce the above copyright
8141 notice, this list of conditions and the following disclaimer in the
8142 documentation and/or other materials provided with the distribution.
8143 3. The name of the author may not be used to endorse or promote
8144 products derived from this software without specific prior written
8147 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8148 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8149 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8150 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8151 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8152 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8153 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8154 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8155 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8156 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8157 POSSIBILITY OF SUCH DAMAGE.
8160 module_init(airo_init_module);
8161 module_exit(airo_cleanup_module);