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>
29 #include <linux/sched.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/bitops.h>
37 #include <linux/scatterlist.h>
38 #include <linux/crypto.h>
40 #include <asm/system.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/skbuff.h>
45 #include <linux/if_arp.h>
46 #include <linux/ioport.h>
47 #include <linux/pci.h>
48 #include <asm/uaccess.h>
49 #include <net/ieee80211.h>
50 #include <linux/kthread.h>
51 #include <linux/freezer.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 struct list_head dev_list;
1148 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
1149 use the high bit to mark whether it is in use. */
1151 #define MPI_MAX_FIDS 1
1154 char keyindex; // Used with auto wep
1155 char defindex; // Used with auto wep
1156 struct proc_dir_entry *proc_entry;
1157 spinlock_t aux_lock;
1158 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */
1159 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */
1160 #define FLAG_RADIO_MASK 0x03
1161 #define FLAG_ENABLED 2
1162 #define FLAG_ADHOC 3 /* Needed by MIC */
1163 #define FLAG_MIC_CAPABLE 4
1164 #define FLAG_UPDATE_MULTI 5
1165 #define FLAG_UPDATE_UNI 6
1166 #define FLAG_802_11 7
1167 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */
1168 #define FLAG_PENDING_XMIT 9
1169 #define FLAG_PENDING_XMIT11 10
1171 #define FLAG_REGISTERED 12
1172 #define FLAG_COMMIT 13
1173 #define FLAG_RESET 14
1174 #define FLAG_FLASHING 15
1175 #define FLAG_WPA_CAPABLE 16
1176 unsigned long flags;
1179 #define JOB_XMIT11 2
1181 #define JOB_PROMISC 4
1184 #define JOB_AUTOWEP 7
1185 #define JOB_WSTATS 8
1186 #define JOB_SCAN_RESULTS 9
1188 int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
1190 unsigned short *flash;
1192 struct task_struct *list_bss_task;
1193 struct task_struct *airo_thread_task;
1194 struct semaphore sem;
1195 wait_queue_head_t thr_wait;
1196 unsigned long expires;
1198 struct sk_buff *skb;
1201 struct net_device *wifidev;
1202 struct iw_statistics wstats; // wireless stats
1203 unsigned long scan_timeout; /* Time scan should be read */
1204 struct iw_spy_data spy_data;
1205 struct iw_public_data wireless_data;
1207 struct crypto_cipher *tfm;
1209 mic_statistics micstats;
1210 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors
1211 HostTxDesc txfids[MPI_MAX_FIDS];
1212 HostRidDesc config_desc;
1213 unsigned long ridbus; // phys addr of config_desc
1214 struct sk_buff_head txq;// tx queue used by mpi350 code
1215 struct pci_dev *pci;
1216 unsigned char __iomem *pcimem;
1217 unsigned char __iomem *pciaux;
1218 unsigned char *shared;
1219 dma_addr_t shared_dma;
1223 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
1224 char proc_name[IFNAMSIZ];
1226 /* WPA-related stuff */
1227 unsigned int bssListFirst;
1228 unsigned int bssListNext;
1229 unsigned int bssListRidLen;
1231 struct list_head network_list;
1232 struct list_head network_free_list;
1233 BSSListElement *networks;
1236 static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
1238 return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
1241 static int setup_proc_entry( struct net_device *dev,
1242 struct airo_info *apriv );
1243 static int takedown_proc_entry( struct net_device *dev,
1244 struct airo_info *apriv );
1246 static int cmdreset(struct airo_info *ai);
1247 static int setflashmode (struct airo_info *ai);
1248 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
1249 static int flashputbuf(struct airo_info *ai);
1250 static int flashrestart(struct airo_info *ai,struct net_device *dev);
1252 #define airo_print(type, name, fmt, args...) \
1253 { printk(type "airo(%s): " fmt "\n", name, ##args); }
1255 #define airo_print_info(name, fmt, args...) \
1256 airo_print(KERN_INFO, name, fmt, ##args)
1258 #define airo_print_dbg(name, fmt, args...) \
1259 airo_print(KERN_DEBUG, name, fmt, ##args)
1261 #define airo_print_warn(name, fmt, args...) \
1262 airo_print(KERN_WARNING, name, fmt, ##args)
1264 #define airo_print_err(name, fmt, args...) \
1265 airo_print(KERN_ERR, name, fmt, ##args)
1268 /***********************************************************************
1270 ***********************************************************************
1273 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq);
1274 static void MoveWindow(miccntx *context, u32 micSeq);
1275 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1276 struct crypto_cipher *tfm);
1277 static void emmh32_init(emmh32_context *context);
1278 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len);
1279 static void emmh32_final(emmh32_context *context, u8 digest[4]);
1280 static int flashpchar(struct airo_info *ai,int byte,int dwelltime);
1282 /* micinit - Initialize mic seed */
1284 static void micinit(struct airo_info *ai)
1288 clear_bit(JOB_MIC, &ai->jobs);
1289 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0);
1292 ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0;
1294 if (ai->micstats.enabled) {
1295 /* Key must be valid and different */
1296 if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid ||
1297 (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast,
1298 sizeof(ai->mod[0].mCtx.key)) != 0))) {
1299 /* Age current mic Context */
1300 memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx));
1301 /* Initialize new context */
1302 memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast));
1303 ai->mod[0].mCtx.window = 33; //Window always points to the middle
1304 ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers
1305 ai->mod[0].mCtx.tx = 0; //Tx sequence numbers
1306 ai->mod[0].mCtx.valid = 1; //Key is now valid
1308 /* Give key to mic seed */
1309 emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm);
1312 /* Key must be valid and different */
1313 if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid ||
1314 (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast,
1315 sizeof(ai->mod[0].uCtx.key)) != 0))) {
1316 /* Age current mic Context */
1317 memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx));
1318 /* Initialize new context */
1319 memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast));
1321 ai->mod[0].uCtx.window = 33; //Window always points to the middle
1322 ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers
1323 ai->mod[0].uCtx.tx = 0; //Tx sequence numbers
1324 ai->mod[0].uCtx.valid = 1; //Key is now valid
1326 //Give key to mic seed
1327 emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm);
1330 /* So next time we have a valid key and mic is enabled, we will update
1331 * the sequence number if the key is the same as before.
1333 ai->mod[0].uCtx.valid = 0;
1334 ai->mod[0].mCtx.valid = 0;
1338 /* micsetup - Get ready for business */
1340 static int micsetup(struct airo_info *ai) {
1343 if (ai->tfm == NULL)
1344 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
1346 if (IS_ERR(ai->tfm)) {
1347 airo_print_err(ai->dev->name, "failed to load transform for AES");
1352 for (i=0; i < NUM_MODULES; i++) {
1353 memset(&ai->mod[i].mCtx,0,sizeof(miccntx));
1354 memset(&ai->mod[i].uCtx,0,sizeof(miccntx));
1359 static char micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02};
1361 /*===========================================================================
1362 * Description: Mic a packet
1364 * Inputs: etherHead * pointer to an 802.3 frame
1366 * Returns: BOOLEAN if successful, otherwise false.
1367 * PacketTxLen will be updated with the mic'd packets size.
1369 * Caveats: It is assumed that the frame buffer will already
1370 * be big enough to hold the largets mic message possible.
1371 * (No memory allocation is done here).
1373 * Author: sbraneky (10/15/01)
1374 * Merciless hacks by rwilcher (1/14/02)
1377 static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen)
1381 // Determine correct context
1382 // If not adhoc, always use unicast key
1384 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1))
1385 context = &ai->mod[0].mCtx;
1387 context = &ai->mod[0].uCtx;
1389 if (!context->valid)
1392 mic->typelen = htons(payLen + 16); //Length of Mic'd packet
1394 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap
1397 mic->seq = htonl(context->tx);
1400 emmh32_init(&context->seed); // Mic the packet
1401 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
1402 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
1403 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
1404 emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
1405 emmh32_final(&context->seed, (u8*)&mic->mic);
1407 /* New Type/length ?????????? */
1408 mic->typelen = 0; //Let NIC know it could be an oversized packet
1420 /*===========================================================================
1421 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet
1422 * (removes the MIC stuff) if packet is a valid packet.
1424 * Inputs: etherHead pointer to the 802.3 packet
1426 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE
1428 * Author: sbraneky (10/15/01)
1429 * Merciless hacks by rwilcher (1/14/02)
1430 *---------------------------------------------------------------------------
1433 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen)
1439 mic_error micError = NONE;
1441 // Check if the packet is a Mic'd packet
1443 if (!ai->micstats.enabled) {
1444 //No Mic set or Mic OFF but we received a MIC'd packet.
1445 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) {
1446 ai->micstats.rxMICPlummed++;
1452 if (ntohs(mic->typelen) == 0x888E)
1455 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) {
1456 // Mic enabled but packet isn't Mic'd
1457 ai->micstats.rxMICPlummed++;
1461 micSEQ = ntohl(mic->seq); //store SEQ as CPU order
1463 //At this point we a have a mic'd packet and mic is enabled
1464 //Now do the mic error checking.
1466 //Receive seq must be odd
1467 if ( (micSEQ & 1) == 0 ) {
1468 ai->micstats.rxWrongSequence++;
1472 for (i = 0; i < NUM_MODULES; i++) {
1473 int mcast = eth->da[0] & 1;
1474 //Determine proper context
1475 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx;
1477 //Make sure context is valid
1478 if (!context->valid) {
1480 micError = NOMICPLUMMED;
1486 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2);
1488 emmh32_init(&context->seed);
1489 emmh32_update(&context->seed, eth->da, ETH_ALEN*2);
1490 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap));
1491 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));
1492 emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);
1494 emmh32_final(&context->seed, digest);
1496 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match
1499 micError = INCORRECTMIC;
1503 //Check Sequence number if mics pass
1504 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) {
1505 ai->micstats.rxSuccess++;
1509 micError = SEQUENCE;
1512 // Update statistics
1514 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break;
1515 case SEQUENCE: ai->micstats.rxWrongSequence++; break;
1516 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break;
1523 /*===========================================================================
1524 * Description: Checks the Rx Seq number to make sure it is valid
1525 * and hasn't already been received
1527 * Inputs: miccntx - mic context to check seq against
1528 * micSeq - the Mic seq number
1530 * Returns: TRUE if valid otherwise FALSE.
1532 * Author: sbraneky (10/15/01)
1533 * Merciless hacks by rwilcher (1/14/02)
1534 *---------------------------------------------------------------------------
1537 static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq)
1541 //Allow for the ap being rebooted - if it is then use the next
1542 //sequence number of the current sequence number - might go backwards
1545 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) {
1546 clear_bit (FLAG_UPDATE_MULTI, &ai->flags);
1547 context->window = (micSeq > 33) ? micSeq : 33;
1548 context->rx = 0; // Reset rx
1550 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) {
1551 clear_bit (FLAG_UPDATE_UNI, &ai->flags);
1552 context->window = (micSeq > 33) ? micSeq : 33; // Move window
1553 context->rx = 0; // Reset rx
1556 //Make sequence number relative to START of window
1557 seq = micSeq - (context->window - 33);
1559 //Too old of a SEQ number to check.
1564 //Window is infinite forward
1565 MoveWindow(context,micSeq);
1569 // We are in the window. Now check the context rx bit to see if it was already sent
1570 seq >>= 1; //divide by 2 because we only have odd numbers
1571 index = 1 << seq; //Get an index number
1573 if (!(context->rx & index)) {
1574 //micSEQ falls inside the window.
1575 //Add seqence number to the list of received numbers.
1576 context->rx |= index;
1578 MoveWindow(context,micSeq);
1585 static void MoveWindow(miccntx *context, u32 micSeq)
1589 //Move window if seq greater than the middle of the window
1590 if (micSeq > context->window) {
1591 shift = (micSeq - context->window) >> 1;
1595 context->rx >>= shift;
1599 context->window = micSeq; //Move window
1603 /*==============================================*/
1604 /*========== EMMH ROUTINES ====================*/
1605 /*==============================================*/
1607 /* mic accumulate */
1608 #define MIC_ACCUM(val) \
1609 context->accum += (u64)(val) * context->coeff[coeff_position++];
1611 static unsigned char aes_counter[16];
1613 /* expand the key to fill the MMH coefficient array */
1614 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen,
1615 struct crypto_cipher *tfm)
1617 /* take the keying material, expand if necessary, truncate at 16-bytes */
1618 /* run through AES counter mode to generate context->coeff[] */
1622 u8 *cipher, plain[16];
1624 crypto_cipher_setkey(tfm, pkey, 16);
1626 for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
1627 aes_counter[15] = (u8)(counter >> 0);
1628 aes_counter[14] = (u8)(counter >> 8);
1629 aes_counter[13] = (u8)(counter >> 16);
1630 aes_counter[12] = (u8)(counter >> 24);
1632 memcpy (plain, aes_counter, 16);
1633 crypto_cipher_encrypt_one(tfm, plain, plain);
1635 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
1636 context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
1642 /* prepare for calculation of a new mic */
1643 static void emmh32_init(emmh32_context *context)
1645 /* prepare for new mic calculation */
1647 context->position = 0;
1650 /* add some bytes to the mic calculation */
1651 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len)
1653 int coeff_position, byte_position;
1655 if (len == 0) return;
1657 coeff_position = context->position >> 2;
1659 /* deal with partial 32-bit word left over from last update */
1660 byte_position = context->position & 3;
1661 if (byte_position) {
1662 /* have a partial word in part to deal with */
1664 if (len == 0) return;
1665 context->part.d8[byte_position++] = *pOctets++;
1666 context->position++;
1668 } while (byte_position < 4);
1669 MIC_ACCUM(htonl(context->part.d32));
1672 /* deal with full 32-bit words */
1674 MIC_ACCUM(htonl(*(u32 *)pOctets));
1675 context->position += 4;
1680 /* deal with partial 32-bit word that will be left over from this update */
1683 context->part.d8[byte_position++] = *pOctets++;
1684 context->position++;
1689 /* mask used to zero empty bytes for final partial word */
1690 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L };
1692 /* calculate the mic */
1693 static void emmh32_final(emmh32_context *context, u8 digest[4])
1695 int coeff_position, byte_position;
1701 coeff_position = context->position >> 2;
1703 /* deal with partial 32-bit word left over from last update */
1704 byte_position = context->position & 3;
1705 if (byte_position) {
1706 /* have a partial word in part to deal with */
1707 val = htonl(context->part.d32);
1708 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */
1711 /* reduce the accumulated u64 to a 32-bit MIC */
1712 sum = context->accum;
1713 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15);
1714 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15);
1715 sum = utmp & 0xffffffffLL;
1716 if (utmp > 0x10000000fLL)
1720 digest[0] = (val>>24) & 0xFF;
1721 digest[1] = (val>>16) & 0xFF;
1722 digest[2] = (val>>8) & 0xFF;
1723 digest[3] = val & 0xFF;
1726 static int readBSSListRid(struct airo_info *ai, int first,
1733 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
1734 memset(&cmd, 0, sizeof(cmd));
1735 cmd.cmd=CMD_LISTBSS;
1736 if (down_interruptible(&ai->sem))
1737 return -ERESTARTSYS;
1738 ai->list_bss_task = current;
1739 issuecommand(ai, &cmd, &rsp);
1741 /* Let the command take effect */
1742 schedule_timeout_uninterruptible(3 * HZ);
1743 ai->list_bss_task = NULL;
1745 rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext,
1746 list, ai->bssListRidLen, 1);
1748 list->len = le16_to_cpu(list->len);
1749 list->index = le16_to_cpu(list->index);
1750 list->radioType = le16_to_cpu(list->radioType);
1751 list->cap = le16_to_cpu(list->cap);
1752 list->beaconInterval = le16_to_cpu(list->beaconInterval);
1753 list->fh.dwell = le16_to_cpu(list->fh.dwell);
1754 list->dsChannel = le16_to_cpu(list->dsChannel);
1755 list->atimWindow = le16_to_cpu(list->atimWindow);
1756 list->dBm = le16_to_cpu(list->dBm);
1760 static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp, int lock) {
1761 int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
1762 wkr, sizeof(*wkr), lock);
1764 wkr->len = le16_to_cpu(wkr->len);
1765 wkr->kindex = le16_to_cpu(wkr->kindex);
1766 wkr->klen = le16_to_cpu(wkr->klen);
1769 /* In the writeXXXRid routines we copy the rids so that we don't screwup
1770 * the originals when we endian them... */
1771 static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lock) {
1773 WepKeyRid wkr = *pwkr;
1775 wkr.len = cpu_to_le16(wkr.len);
1776 wkr.kindex = cpu_to_le16(wkr.kindex);
1777 wkr.klen = cpu_to_le16(wkr.klen);
1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
1779 if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
1781 rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
1789 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
1791 int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1);
1793 ssidr->len = le16_to_cpu(ssidr->len);
1794 for(i = 0; i < 3; i++) {
1795 ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
1799 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) {
1802 SsidRid ssidr = *pssidr;
1804 ssidr.len = cpu_to_le16(ssidr.len);
1805 for(i = 0; i < 3; i++) {
1806 ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
1808 rc = PC4500_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr), lock);
1811 static int readConfigRid(struct airo_info*ai, int lock) {
1819 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock);
1823 for(s = &cfg.len; s <= &cfg.rtsThres; s++) *s = le16_to_cpu(*s);
1825 for(s = &cfg.shortRetryLimit; s <= &cfg.radioType; s++)
1826 *s = le16_to_cpu(*s);
1828 for(s = &cfg.txPower; s <= &cfg.radioSpecific; s++)
1829 *s = le16_to_cpu(*s);
1831 for(s = &cfg.arlThreshold; s <= &cfg._reserved4[0]; s++)
1832 *s = cpu_to_le16(*s);
1834 for(s = &cfg.autoWake; s <= &cfg.autoWake; s++)
1835 *s = cpu_to_le16(*s);
1840 static inline void checkThrottle(struct airo_info *ai) {
1842 /* Old hardware had a limit on encryption speed */
1843 if (ai->config.authType != AUTH_OPEN && maxencrypt) {
1844 for(i=0; i<8; i++) {
1845 if (ai->config.rates[i] > maxencrypt) {
1846 ai->config.rates[i] = 0;
1851 static int writeConfigRid(struct airo_info*ai, int lock) {
1855 if (!test_bit (FLAG_COMMIT, &ai->flags))
1858 clear_bit (FLAG_COMMIT, &ai->flags);
1859 clear_bit (FLAG_RESET, &ai->flags);
1863 if ((cfgr.opmode & 0xFF) == MODE_STA_IBSS)
1864 set_bit(FLAG_ADHOC, &ai->flags);
1866 clear_bit(FLAG_ADHOC, &ai->flags);
1868 for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
1870 for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
1871 *s = cpu_to_le16(*s);
1873 for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
1874 *s = cpu_to_le16(*s);
1876 for(s = &cfgr.arlThreshold; s <= &cfgr._reserved4[0]; s++)
1877 *s = cpu_to_le16(*s);
1879 for(s = &cfgr.autoWake; s <= &cfgr.autoWake; s++)
1880 *s = cpu_to_le16(*s);
1882 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock);
1884 static int readStatusRid(struct airo_info*ai, StatusRid *statr, int lock) {
1885 int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock);
1888 statr->len = le16_to_cpu(statr->len);
1889 for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
1891 for(s = &statr->beaconPeriod; s <= &statr->shortPreamble; s++)
1892 *s = le16_to_cpu(*s);
1893 statr->load = le16_to_cpu(statr->load);
1894 statr->assocStatus = le16_to_cpu(statr->assocStatus);
1897 static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
1898 int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1);
1899 aplr->len = le16_to_cpu(aplr->len);
1902 static int writeAPListRid(struct airo_info*ai, APListRid *aplr, int lock) {
1904 aplr->len = cpu_to_le16(aplr->len);
1905 rc = PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock);
1908 static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr, int lock) {
1909 int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock);
1912 capr->len = le16_to_cpu(capr->len);
1913 capr->prodNum = le16_to_cpu(capr->prodNum);
1914 capr->radioType = le16_to_cpu(capr->radioType);
1915 capr->country = le16_to_cpu(capr->country);
1916 for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
1917 *s = le16_to_cpu(*s);
1920 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) {
1921 int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr), lock);
1924 sr->len = le16_to_cpu(sr->len);
1925 for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
1929 static int airo_open(struct net_device *dev) {
1930 struct airo_info *info = dev->priv;
1933 if (test_bit(FLAG_FLASHING, &info->flags))
1936 /* Make sure the card is configured.
1937 * Wireless Extensions may postpone config changes until the card
1938 * is open (to pipeline changes and speed-up card setup). If
1939 * those changes are not yet commited, do it now - Jean II */
1940 if (test_bit (FLAG_COMMIT, &info->flags)) {
1941 disable_MAC(info, 1);
1942 writeConfigRid(info, 1);
1945 if (info->wifidev != dev) {
1946 /* Power on the MAC controller (which may have been disabled) */
1947 clear_bit(FLAG_RADIO_DOWN, &info->flags);
1948 enable_interrupts(info);
1950 enable_MAC(info, &rsp, 1);
1952 netif_start_queue(dev);
1956 static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
1957 int npacks, pending;
1958 unsigned long flags;
1959 struct airo_info *ai = dev->priv;
1962 airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
1965 npacks = skb_queue_len (&ai->txq);
1967 if (npacks >= MAXTXQ - 1) {
1968 netif_stop_queue (dev);
1969 if (npacks > MAXTXQ) {
1970 ai->stats.tx_fifo_errors++;
1973 skb_queue_tail (&ai->txq, skb);
1977 spin_lock_irqsave(&ai->aux_lock, flags);
1978 skb_queue_tail (&ai->txq, skb);
1979 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags);
1980 spin_unlock_irqrestore(&ai->aux_lock,flags);
1981 netif_wake_queue (dev);
1984 set_bit(FLAG_PENDING_XMIT, &ai->flags);
1985 mpi_send_packet (dev);
1993 * Attempt to transmit a packet. Can be called from interrupt
1994 * or transmit . return number of packets we tried to send
1997 static int mpi_send_packet (struct net_device *dev)
1999 struct sk_buff *skb;
2000 unsigned char *buffer;
2001 s16 len, *payloadLen;
2002 struct airo_info *ai = dev->priv;
2005 /* get a packet to send */
2007 if ((skb = skb_dequeue(&ai->txq)) == 0) {
2008 airo_print_err(dev->name,
2009 "%s: Dequeue'd zero in send_packet()",
2014 /* check min length*/
2015 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2018 ai->txfids[0].tx_desc.offset = 0;
2019 ai->txfids[0].tx_desc.valid = 1;
2020 ai->txfids[0].tx_desc.eoc = 1;
2021 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr);
2024 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer
2025 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen
2026 * is immediatly after it. ------------------------------------------------
2027 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA|
2028 * ------------------------------------------------
2031 memcpy((char *)ai->txfids[0].virtual_host_addr,
2032 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023));
2034 payloadLen = (s16 *)(ai->txfids[0].virtual_host_addr +
2035 sizeof(wifictlhdr8023));
2036 sendbuf = ai->txfids[0].virtual_host_addr +
2037 sizeof(wifictlhdr8023) + 2 ;
2040 * Firmware automaticly puts 802 header on so
2041 * we don't need to account for it in the length
2043 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
2044 (ntohs(((u16 *)buffer)[6]) != 0x888E)) {
2047 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS)
2050 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic));
2051 ai->txfids[0].tx_desc.len += sizeof(pMic);
2052 /* copy data into airo dma buffer */
2053 memcpy (sendbuf, buffer, sizeof(etherHead));
2054 buffer += sizeof(etherHead);
2055 sendbuf += sizeof(etherHead);
2056 memcpy (sendbuf, &pMic, sizeof(pMic));
2057 sendbuf += sizeof(pMic);
2058 memcpy (sendbuf, buffer, len - sizeof(etherHead));
2060 *payloadLen = cpu_to_le16(len - sizeof(etherHead));
2062 dev->trans_start = jiffies;
2064 /* copy data into airo dma buffer */
2065 memcpy(sendbuf, buffer, len);
2068 memcpy_toio(ai->txfids[0].card_ram_off,
2069 &ai->txfids[0].tx_desc, sizeof(TxFid));
2071 OUT4500(ai, EVACK, 8);
2073 dev_kfree_skb_any(skb);
2077 static void get_tx_error(struct airo_info *ai, s32 fid)
2082 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status;
2084 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS)
2086 bap_read(ai, &status, 2, BAP0);
2088 if (le16_to_cpu(status) & 2) /* Too many retries */
2089 ai->stats.tx_aborted_errors++;
2090 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */
2091 ai->stats.tx_heartbeat_errors++;
2092 if (le16_to_cpu(status) & 8) /* Aid fail */
2094 if (le16_to_cpu(status) & 0x10) /* MAC disabled */
2095 ai->stats.tx_carrier_errors++;
2096 if (le16_to_cpu(status) & 0x20) /* Association lost */
2098 /* We produce a TXDROP event only for retry or lifetime
2099 * exceeded, because that's the only status that really mean
2100 * that this particular node went away.
2101 * Other errors means that *we* screwed up. - Jean II */
2102 if ((le16_to_cpu(status) & 2) ||
2103 (le16_to_cpu(status) & 4)) {
2104 union iwreq_data wrqu;
2107 /* Faster to skip over useless data than to do
2108 * another bap_setup(). We are at offset 0x6 and
2109 * need to go to 0x18 and read 6 bytes - Jean II */
2110 bap_read(ai, (u16 *) junk, 0x18, BAP0);
2112 /* Copy 802.11 dest address.
2113 * We use the 802.11 header because the frame may
2114 * not be 802.3 or may be mangled...
2115 * In Ad-Hoc mode, it will be the node address.
2116 * In managed mode, it will be most likely the AP addr
2117 * User space will figure out how to convert it to
2118 * whatever it needs (IP address or else).
2120 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN);
2121 wrqu.addr.sa_family = ARPHRD_ETHER;
2123 /* Send event to user space */
2124 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL);
2128 static void airo_end_xmit(struct net_device *dev) {
2131 struct airo_info *priv = dev->priv;
2132 struct sk_buff *skb = priv->xmit.skb;
2133 int fid = priv->xmit.fid;
2134 u32 *fids = priv->fids;
2136 clear_bit(JOB_XMIT, &priv->jobs);
2137 clear_bit(FLAG_PENDING_XMIT, &priv->flags);
2138 status = transmit_802_3_packet (priv, fids[fid], skb->data);
2142 if ( status == SUCCESS ) {
2143 dev->trans_start = jiffies;
2144 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++);
2146 priv->fids[fid] &= 0xffff;
2147 priv->stats.tx_window_errors++;
2149 if (i < MAX_FIDS / 2)
2150 netif_wake_queue(dev);
2154 static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
2157 struct airo_info *priv = dev->priv;
2158 u32 *fids = priv->fids;
2160 if ( skb == NULL ) {
2161 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2165 /* Find a vacant FID */
2166 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
2167 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ );
2169 if ( j >= MAX_FIDS / 2 ) {
2170 netif_stop_queue(dev);
2172 if (i == MAX_FIDS / 2) {
2173 priv->stats.tx_fifo_errors++;
2177 /* check min length*/
2178 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2179 /* Mark fid as used & save length for later */
2180 fids[i] |= (len << 16);
2181 priv->xmit.skb = skb;
2183 if (down_trylock(&priv->sem) != 0) {
2184 set_bit(FLAG_PENDING_XMIT, &priv->flags);
2185 netif_stop_queue(dev);
2186 set_bit(JOB_XMIT, &priv->jobs);
2187 wake_up_interruptible(&priv->thr_wait);
2193 static void airo_end_xmit11(struct net_device *dev) {
2196 struct airo_info *priv = dev->priv;
2197 struct sk_buff *skb = priv->xmit11.skb;
2198 int fid = priv->xmit11.fid;
2199 u32 *fids = priv->fids;
2201 clear_bit(JOB_XMIT11, &priv->jobs);
2202 clear_bit(FLAG_PENDING_XMIT11, &priv->flags);
2203 status = transmit_802_11_packet (priv, fids[fid], skb->data);
2207 if ( status == SUCCESS ) {
2208 dev->trans_start = jiffies;
2209 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++);
2211 priv->fids[fid] &= 0xffff;
2212 priv->stats.tx_window_errors++;
2215 netif_wake_queue(dev);
2219 static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
2222 struct airo_info *priv = dev->priv;
2223 u32 *fids = priv->fids;
2225 if (test_bit(FLAG_MPI, &priv->flags)) {
2226 /* Not implemented yet for MPI350 */
2227 netif_stop_queue(dev);
2231 if ( skb == NULL ) {
2232 airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
2236 /* Find a vacant FID */
2237 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
2238 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ );
2240 if ( j >= MAX_FIDS ) {
2241 netif_stop_queue(dev);
2243 if (i == MAX_FIDS) {
2244 priv->stats.tx_fifo_errors++;
2248 /* check min length*/
2249 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
2250 /* Mark fid as used & save length for later */
2251 fids[i] |= (len << 16);
2252 priv->xmit11.skb = skb;
2253 priv->xmit11.fid = i;
2254 if (down_trylock(&priv->sem) != 0) {
2255 set_bit(FLAG_PENDING_XMIT11, &priv->flags);
2256 netif_stop_queue(dev);
2257 set_bit(JOB_XMIT11, &priv->jobs);
2258 wake_up_interruptible(&priv->thr_wait);
2260 airo_end_xmit11(dev);
2264 static void airo_read_stats(struct airo_info *ai) {
2266 u32 *vals = stats_rid.vals;
2268 clear_bit(JOB_STATS, &ai->jobs);
2269 if (ai->power.event) {
2273 readStatsRid(ai, &stats_rid, RID_STATS, 0);
2276 ai->stats.rx_packets = vals[43] + vals[44] + vals[45];
2277 ai->stats.tx_packets = vals[39] + vals[40] + vals[41];
2278 ai->stats.rx_bytes = vals[92];
2279 ai->stats.tx_bytes = vals[91];
2280 ai->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
2281 ai->stats.tx_errors = vals[42] + ai->stats.tx_fifo_errors;
2282 ai->stats.multicast = vals[43];
2283 ai->stats.collisions = vals[89];
2285 /* detailed rx_errors: */
2286 ai->stats.rx_length_errors = vals[3];
2287 ai->stats.rx_crc_errors = vals[4];
2288 ai->stats.rx_frame_errors = vals[2];
2289 ai->stats.rx_fifo_errors = vals[0];
2292 static struct net_device_stats *airo_get_stats(struct net_device *dev)
2294 struct airo_info *local = dev->priv;
2296 if (!test_bit(JOB_STATS, &local->jobs)) {
2297 /* Get stats out of the card if available */
2298 if (down_trylock(&local->sem) != 0) {
2299 set_bit(JOB_STATS, &local->jobs);
2300 wake_up_interruptible(&local->thr_wait);
2302 airo_read_stats(local);
2305 return &local->stats;
2308 static void airo_set_promisc(struct airo_info *ai) {
2312 memset(&cmd, 0, sizeof(cmd));
2313 cmd.cmd=CMD_SETMODE;
2314 clear_bit(JOB_PROMISC, &ai->jobs);
2315 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
2316 issuecommand(ai, &cmd, &rsp);
2320 static void airo_set_multicast_list(struct net_device *dev) {
2321 struct airo_info *ai = dev->priv;
2323 if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
2324 change_bit(FLAG_PROMISC, &ai->flags);
2325 if (down_trylock(&ai->sem) != 0) {
2326 set_bit(JOB_PROMISC, &ai->jobs);
2327 wake_up_interruptible(&ai->thr_wait);
2329 airo_set_promisc(ai);
2332 if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
2333 /* Turn on multicast. (Should be already setup...) */
2337 static int airo_set_mac_address(struct net_device *dev, void *p)
2339 struct airo_info *ai = dev->priv;
2340 struct sockaddr *addr = p;
2343 readConfigRid(ai, 1);
2344 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
2345 set_bit (FLAG_COMMIT, &ai->flags);
2347 writeConfigRid (ai, 1);
2348 enable_MAC(ai, &rsp, 1);
2349 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
2351 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
2355 static int airo_change_mtu(struct net_device *dev, int new_mtu)
2357 if ((new_mtu < 68) || (new_mtu > 2400))
2363 static LIST_HEAD(airo_devices);
2365 static void add_airo_dev(struct airo_info *ai)
2367 /* Upper layers already keep track of PCI devices,
2368 * so we only need to remember our non-PCI cards. */
2370 list_add_tail(&ai->dev_list, &airo_devices);
2373 static void del_airo_dev(struct airo_info *ai)
2376 list_del(&ai->dev_list);
2379 static int airo_close(struct net_device *dev) {
2380 struct airo_info *ai = dev->priv;
2382 netif_stop_queue(dev);
2384 if (ai->wifidev != dev) {
2385 #ifdef POWER_ON_DOWN
2386 /* Shut power to the card. The idea is that the user can save
2387 * power when he doesn't need the card with "ifconfig down".
2388 * That's the method that is most friendly towards the network
2389 * stack (i.e. the network stack won't try to broadcast
2390 * anything on the interface and routes are gone. Jean II */
2391 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2394 disable_interrupts( ai );
2399 void stop_airo_card( struct net_device *dev, int freeres )
2401 struct airo_info *ai = dev->priv;
2403 set_bit(FLAG_RADIO_DOWN, &ai->flags);
2405 disable_interrupts(ai);
2406 free_irq( dev->irq, dev );
2407 takedown_proc_entry( dev, ai );
2408 if (test_bit(FLAG_REGISTERED, &ai->flags)) {
2409 unregister_netdev( dev );
2411 unregister_netdev(ai->wifidev);
2412 free_netdev(ai->wifidev);
2415 clear_bit(FLAG_REGISTERED, &ai->flags);
2417 set_bit(JOB_DIE, &ai->jobs);
2418 kthread_stop(ai->airo_thread_task);
2421 * Clean out tx queue
2423 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) {
2424 struct sk_buff *skb = NULL;
2425 for (;(skb = skb_dequeue(&ai->txq));)
2429 airo_networks_free (ai);
2436 /* PCMCIA frees this stuff, so only for PCI and ISA */
2437 release_region( dev->base_addr, 64 );
2438 if (test_bit(FLAG_MPI, &ai->flags)) {
2440 mpi_unmap_card(ai->pci);
2442 iounmap(ai->pcimem);
2444 iounmap(ai->pciaux);
2445 pci_free_consistent(ai->pci, PCI_SHARED_LEN,
2446 ai->shared, ai->shared_dma);
2449 crypto_free_cipher(ai->tfm);
2454 EXPORT_SYMBOL(stop_airo_card);
2456 static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
2458 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
2462 static void mpi_unmap_card(struct pci_dev *pci)
2464 unsigned long mem_start = pci_resource_start(pci, 1);
2465 unsigned long mem_len = pci_resource_len(pci, 1);
2466 unsigned long aux_start = pci_resource_start(pci, 2);
2467 unsigned long aux_len = AUXMEMSIZE;
2469 release_mem_region(aux_start, aux_len);
2470 release_mem_region(mem_start, mem_len);
2473 /*************************************************************
2474 * This routine assumes that descriptors have been setup .
2475 * Run at insmod time or after reset when the decriptors
2476 * have been initialized . Returns 0 if all is well nz
2477 * otherwise . Does not allocate memory but sets up card
2478 * using previously allocated descriptors.
2480 static int mpi_init_descriptors (struct airo_info *ai)
2487 /* Alloc card RX descriptors */
2488 netif_stop_queue(ai->dev);
2490 memset(&rsp,0,sizeof(rsp));
2491 memset(&cmd,0,sizeof(cmd));
2493 cmd.cmd = CMD_ALLOCATEAUX;
2495 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux);
2496 cmd.parm2 = MPI_MAX_FIDS;
2497 rc=issuecommand(ai, &cmd, &rsp);
2498 if (rc != SUCCESS) {
2499 airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
2503 for (i=0; i<MPI_MAX_FIDS; i++) {
2504 memcpy_toio(ai->rxfids[i].card_ram_off,
2505 &ai->rxfids[i].rx_desc, sizeof(RxFid));
2508 /* Alloc card TX descriptors */
2510 memset(&rsp,0,sizeof(rsp));
2511 memset(&cmd,0,sizeof(cmd));
2513 cmd.cmd = CMD_ALLOCATEAUX;
2515 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux);
2516 cmd.parm2 = MPI_MAX_FIDS;
2518 for (i=0; i<MPI_MAX_FIDS; i++) {
2519 ai->txfids[i].tx_desc.valid = 1;
2520 memcpy_toio(ai->txfids[i].card_ram_off,
2521 &ai->txfids[i].tx_desc, sizeof(TxFid));
2523 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2525 rc=issuecommand(ai, &cmd, &rsp);
2526 if (rc != SUCCESS) {
2527 airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
2531 /* Alloc card Rid descriptor */
2532 memset(&rsp,0,sizeof(rsp));
2533 memset(&cmd,0,sizeof(cmd));
2535 cmd.cmd = CMD_ALLOCATEAUX;
2537 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux);
2538 cmd.parm2 = 1; /* Magic number... */
2539 rc=issuecommand(ai, &cmd, &rsp);
2540 if (rc != SUCCESS) {
2541 airo_print_err(ai->dev->name, "Couldn't allocate RID");
2545 memcpy_toio(ai->config_desc.card_ram_off,
2546 &ai->config_desc.rid_desc, sizeof(Rid));
2552 * We are setting up three things here:
2553 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid.
2554 * 2) Map PCI memory for issueing commands.
2555 * 3) Allocate memory (shared) to send and receive ethernet frames.
2557 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
2560 unsigned long mem_start, mem_len, aux_start, aux_len;
2563 dma_addr_t busaddroff;
2564 unsigned char *vpackoff;
2565 unsigned char __iomem *pciaddroff;
2567 mem_start = pci_resource_start(pci, 1);
2568 mem_len = pci_resource_len(pci, 1);
2569 aux_start = pci_resource_start(pci, 2);
2570 aux_len = AUXMEMSIZE;
2572 if (!request_mem_region(mem_start, mem_len, name)) {
2573 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2574 (int)mem_start, (int)mem_len, name);
2577 if (!request_mem_region(aux_start, aux_len, name)) {
2578 airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
2579 (int)aux_start, (int)aux_len, name);
2583 ai->pcimem = ioremap(mem_start, mem_len);
2585 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2586 (int)mem_start, (int)mem_len, name);
2589 ai->pciaux = ioremap(aux_start, aux_len);
2591 airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
2592 (int)aux_start, (int)aux_len, name);
2596 /* Reserve PKTSIZE for each fid and 2K for the Rids */
2597 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
2599 airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
2605 * Setup descriptor RX, TX, CONFIG
2607 busaddroff = ai->shared_dma;
2608 pciaddroff = ai->pciaux + AUX_OFFSET;
2609 vpackoff = ai->shared;
2611 /* RX descriptor setup */
2612 for(i = 0; i < MPI_MAX_FIDS; i++) {
2613 ai->rxfids[i].pending = 0;
2614 ai->rxfids[i].card_ram_off = pciaddroff;
2615 ai->rxfids[i].virtual_host_addr = vpackoff;
2616 ai->rxfids[i].rx_desc.host_addr = busaddroff;
2617 ai->rxfids[i].rx_desc.valid = 1;
2618 ai->rxfids[i].rx_desc.len = PKTSIZE;
2619 ai->rxfids[i].rx_desc.rdy = 0;
2621 pciaddroff += sizeof(RxFid);
2622 busaddroff += PKTSIZE;
2623 vpackoff += PKTSIZE;
2626 /* TX descriptor setup */
2627 for(i = 0; i < MPI_MAX_FIDS; i++) {
2628 ai->txfids[i].card_ram_off = pciaddroff;
2629 ai->txfids[i].virtual_host_addr = vpackoff;
2630 ai->txfids[i].tx_desc.valid = 1;
2631 ai->txfids[i].tx_desc.host_addr = busaddroff;
2632 memcpy(ai->txfids[i].virtual_host_addr,
2633 &wifictlhdr8023, sizeof(wifictlhdr8023));
2635 pciaddroff += sizeof(TxFid);
2636 busaddroff += PKTSIZE;
2637 vpackoff += PKTSIZE;
2639 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */
2641 /* Rid descriptor setup */
2642 ai->config_desc.card_ram_off = pciaddroff;
2643 ai->config_desc.virtual_host_addr = vpackoff;
2644 ai->config_desc.rid_desc.host_addr = busaddroff;
2645 ai->ridbus = busaddroff;
2646 ai->config_desc.rid_desc.rid = 0;
2647 ai->config_desc.rid_desc.len = RIDSIZE;
2648 ai->config_desc.rid_desc.valid = 1;
2649 pciaddroff += sizeof(Rid);
2650 busaddroff += RIDSIZE;
2651 vpackoff += RIDSIZE;
2653 /* Tell card about descriptors */
2654 if (mpi_init_descriptors (ai) != SUCCESS)
2659 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2661 iounmap(ai->pciaux);
2663 iounmap(ai->pcimem);
2665 release_mem_region(aux_start, aux_len);
2667 release_mem_region(mem_start, mem_len);
2672 static void wifi_setup(struct net_device *dev)
2674 dev->hard_header = NULL;
2675 dev->rebuild_header = NULL;
2676 dev->hard_header_cache = NULL;
2677 dev->header_cache_update= NULL;
2679 dev->hard_header_parse = wll_header_parse;
2680 dev->hard_start_xmit = &airo_start_xmit11;
2681 dev->get_stats = &airo_get_stats;
2682 dev->set_mac_address = &airo_set_mac_address;
2683 dev->do_ioctl = &airo_ioctl;
2684 dev->wireless_handlers = &airo_handler_def;
2685 dev->change_mtu = &airo_change_mtu;
2686 dev->open = &airo_open;
2687 dev->stop = &airo_close;
2689 dev->type = ARPHRD_IEEE80211;
2690 dev->hard_header_len = ETH_HLEN;
2691 dev->mtu = AIRO_DEF_MTU;
2692 dev->addr_len = ETH_ALEN;
2693 dev->tx_queue_len = 100;
2695 memset(dev->broadcast,0xFF, ETH_ALEN);
2697 dev->flags = IFF_BROADCAST|IFF_MULTICAST;
2700 static struct net_device *init_wifidev(struct airo_info *ai,
2701 struct net_device *ethdev)
2704 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup);
2707 dev->priv = ethdev->priv;
2708 dev->irq = ethdev->irq;
2709 dev->base_addr = ethdev->base_addr;
2710 dev->wireless_data = ethdev->wireless_data;
2711 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
2712 err = register_netdev(dev);
2720 static int reset_card( struct net_device *dev , int lock) {
2721 struct airo_info *ai = dev->priv;
2723 if (lock && down_interruptible(&ai->sem))
2726 OUT4500(ai,COMMAND,CMD_SOFTRESET);
2735 #define AIRO_MAX_NETWORK_COUNT 64
2736 static int airo_networks_allocate(struct airo_info *ai)
2742 kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
2744 if (!ai->networks) {
2745 airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
2752 static void airo_networks_free(struct airo_info *ai)
2754 kfree(ai->networks);
2755 ai->networks = NULL;
2758 static void airo_networks_initialize(struct airo_info *ai)
2762 INIT_LIST_HEAD(&ai->network_free_list);
2763 INIT_LIST_HEAD(&ai->network_list);
2764 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++)
2765 list_add_tail(&ai->networks[i].list,
2766 &ai->network_free_list);
2769 static int airo_test_wpa_capable(struct airo_info *ai)
2772 CapabilityRid cap_rid;
2773 const char *name = ai->dev->name;
2775 status = readCapabilityRid(ai, &cap_rid, 1);
2776 if (status != SUCCESS) return 0;
2778 /* Only firmware versions 5.30.17 or better can do WPA */
2779 if ((cap_rid.softVer > 0x530)
2780 || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
2781 airo_print_info(name, "WPA is supported.");
2785 /* No WPA support */
2786 airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
2787 " and greater support WPA. Detected %s)", cap_rid.prodVer);
2791 static struct net_device *_init_airo_card( unsigned short irq, int port,
2792 int is_pcmcia, struct pci_dev *pci,
2793 struct device *dmdev )
2795 struct net_device *dev;
2796 struct airo_info *ai;
2799 /* Create the network device object. */
2800 dev = alloc_etherdev(sizeof(*ai));
2802 airo_print_err("", "Couldn't alloc_etherdev");
2805 if (dev_alloc_name(dev, dev->name) < 0) {
2806 airo_print_err("", "Couldn't get name!");
2815 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
2816 airo_print_dbg(dev->name, "Found an MPI350 card");
2817 set_bit(FLAG_MPI, &ai->flags);
2819 spin_lock_init(&ai->aux_lock);
2820 sema_init(&ai->sem, 1);
2823 init_waitqueue_head (&ai->thr_wait);
2824 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
2825 if (IS_ERR(ai->airo_thread_task))
2830 if (airo_networks_allocate (ai))
2832 airo_networks_initialize (ai);
2834 /* The Airo-specific entries in the device structure. */
2835 if (test_bit(FLAG_MPI,&ai->flags)) {
2836 skb_queue_head_init (&ai->txq);
2837 dev->hard_start_xmit = &mpi_start_xmit;
2839 dev->hard_start_xmit = &airo_start_xmit;
2840 dev->get_stats = &airo_get_stats;
2841 dev->set_multicast_list = &airo_set_multicast_list;
2842 dev->set_mac_address = &airo_set_mac_address;
2843 dev->do_ioctl = &airo_ioctl;
2844 dev->wireless_handlers = &airo_handler_def;
2845 ai->wireless_data.spy_data = &ai->spy_data;
2846 dev->wireless_data = &ai->wireless_data;
2847 dev->change_mtu = &airo_change_mtu;
2848 dev->open = &airo_open;
2849 dev->stop = &airo_close;
2851 dev->base_addr = port;
2853 SET_NETDEV_DEV(dev, dmdev);
2855 reset_card (dev, 1);
2858 rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
2860 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
2865 if (!request_region( dev->base_addr, 64, dev->name )) {
2867 airo_print_err(dev->name, "Couldn't request region");
2872 if (test_bit(FLAG_MPI,&ai->flags)) {
2873 if (mpi_map_card(ai, pci, dev->name)) {
2874 airo_print_err(dev->name, "Could not map memory");
2880 if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
2881 airo_print_err(dev->name, "MAC could not be enabled" );
2885 } else if (!test_bit(FLAG_MPI,&ai->flags)) {
2886 ai->bap_read = fast_bap_read;
2887 set_bit(FLAG_FLASHING, &ai->flags);
2890 /* Test for WPA support */
2891 if (airo_test_wpa_capable(ai)) {
2892 set_bit(FLAG_WPA_CAPABLE, &ai->flags);
2893 ai->bssListFirst = RID_WPA_BSSLISTFIRST;
2894 ai->bssListNext = RID_WPA_BSSLISTNEXT;
2895 ai->bssListRidLen = sizeof(BSSListRid);
2897 ai->bssListFirst = RID_BSSLISTFIRST;
2898 ai->bssListNext = RID_BSSLISTNEXT;
2899 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
2902 rc = register_netdev(dev);
2904 airo_print_err(dev->name, "Couldn't register_netdev");
2907 ai->wifidev = init_wifidev(ai, dev);
2911 set_bit(FLAG_REGISTERED,&ai->flags);
2912 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2913 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2914 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
2916 /* Allocate the transmit buffers */
2917 if (probe && !test_bit(FLAG_MPI,&ai->flags))
2918 for( i = 0; i < MAX_FIDS; i++ )
2919 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2921 if (setup_proc_entry(dev, dev->priv) < 0)
2924 netif_start_queue(dev);
2925 SET_MODULE_OWNER(dev);
2929 unregister_netdev(ai->wifidev);
2930 free_netdev(ai->wifidev);
2932 unregister_netdev(dev);
2934 if (test_bit(FLAG_MPI,&ai->flags) && pci) {
2935 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
2936 iounmap(ai->pciaux);
2937 iounmap(ai->pcimem);
2938 mpi_unmap_card(ai->pci);
2942 release_region( dev->base_addr, 64 );
2944 free_irq(dev->irq, dev);
2946 airo_networks_free(ai);
2949 set_bit(JOB_DIE, &ai->jobs);
2950 kthread_stop(ai->airo_thread_task);
2956 struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia,
2957 struct device *dmdev)
2959 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev);
2962 EXPORT_SYMBOL(init_airo_card);
2964 static int waitbusy (struct airo_info *ai) {
2966 while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
2968 if ((++delay % 20) == 0)
2969 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
2971 return delay < 10000;
2974 int reset_airo_card( struct net_device *dev )
2977 struct airo_info *ai = dev->priv;
2979 if (reset_card (dev, 1))
2982 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
2983 airo_print_err(dev->name, "MAC could not be enabled");
2986 airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
2987 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
2988 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
2989 /* Allocate the transmit buffers if needed */
2990 if (!test_bit(FLAG_MPI,&ai->flags))
2991 for( i = 0; i < MAX_FIDS; i++ )
2992 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
2994 enable_interrupts( ai );
2995 netif_wake_queue(dev);
2999 EXPORT_SYMBOL(reset_airo_card);
3001 static void airo_send_event(struct net_device *dev) {
3002 struct airo_info *ai = dev->priv;
3003 union iwreq_data wrqu;
3004 StatusRid status_rid;
3006 clear_bit(JOB_EVENT, &ai->jobs);
3007 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0);
3009 wrqu.data.length = 0;
3010 wrqu.data.flags = 0;
3011 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN);
3012 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3014 /* Send event to user space */
3015 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
3018 static void airo_process_scan_results (struct airo_info *ai) {
3019 union iwreq_data wrqu;
3022 BSSListElement * loop_net;
3023 BSSListElement * tmp_net;
3025 /* Blow away current list of scan results */
3026 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
3027 list_move_tail (&loop_net->list, &ai->network_free_list);
3028 /* Don't blow away ->list, just BSS data */
3029 memset (loop_net, 0, sizeof (loop_net->bss));
3032 /* Try to read the first entry of the scan result */
3033 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
3034 if((rc) || (bss.index == 0xffff)) {
3035 /* No scan results */
3039 /* Read and parse all entries */
3041 while((!rc) && (bss.index != 0xffff)) {
3042 /* Grab a network off the free list */
3043 if (!list_empty(&ai->network_free_list)) {
3044 tmp_net = list_entry(ai->network_free_list.next,
3045 BSSListElement, list);
3046 list_del(ai->network_free_list.next);
3049 if (tmp_net != NULL) {
3050 memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
3051 list_add_tail(&tmp_net->list, &ai->network_list);
3055 /* Read next entry */
3056 rc = PC4500_readrid(ai, ai->bssListNext,
3057 &bss, ai->bssListRidLen, 0);
3061 ai->scan_timeout = 0;
3062 clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
3065 /* Send an empty event to user space.
3066 * We don't send the received data on
3067 * the event because it would require
3068 * us to do complex transcoding, and
3069 * we want to minimise the work done in
3070 * the irq handler. Use a request to
3071 * extract the data - Jean II */
3072 wrqu.data.length = 0;
3073 wrqu.data.flags = 0;
3074 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
3077 static int airo_thread(void *data) {
3078 struct net_device *dev = data;
3079 struct airo_info *ai = dev->priv;
3083 /* make swsusp happy with our thread */
3086 if (test_bit(JOB_DIE, &ai->jobs))
3090 locked = down_interruptible(&ai->sem);
3094 init_waitqueue_entry(&wait, current);
3095 add_wait_queue(&ai->thr_wait, &wait);
3097 set_current_state(TASK_INTERRUPTIBLE);
3100 if (ai->expires || ai->scan_timeout) {
3101 if (ai->scan_timeout &&
3102 time_after_eq(jiffies,ai->scan_timeout)){
3103 set_bit(JOB_SCAN_RESULTS, &ai->jobs);
3105 } else if (ai->expires &&
3106 time_after_eq(jiffies,ai->expires)){
3107 set_bit(JOB_AUTOWEP, &ai->jobs);
3110 if (!kthread_should_stop() &&
3111 !freezing(current)) {
3112 unsigned long wake_at;
3113 if (!ai->expires || !ai->scan_timeout) {
3114 wake_at = max(ai->expires,
3117 wake_at = min(ai->expires,
3120 schedule_timeout(wake_at - jiffies);
3123 } else if (!kthread_should_stop() &&
3124 !freezing(current)) {
3130 current->state = TASK_RUNNING;
3131 remove_wait_queue(&ai->thr_wait, &wait);
3138 if (test_bit(JOB_DIE, &ai->jobs)) {
3143 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) {
3148 if (test_bit(JOB_XMIT, &ai->jobs))
3150 else if (test_bit(JOB_XMIT11, &ai->jobs))
3151 airo_end_xmit11(dev);
3152 else if (test_bit(JOB_STATS, &ai->jobs))
3153 airo_read_stats(ai);
3154 else if (test_bit(JOB_WSTATS, &ai->jobs))
3155 airo_read_wireless_stats(ai);
3156 else if (test_bit(JOB_PROMISC, &ai->jobs))
3157 airo_set_promisc(ai);
3158 else if (test_bit(JOB_MIC, &ai->jobs))
3160 else if (test_bit(JOB_EVENT, &ai->jobs))
3161 airo_send_event(dev);
3162 else if (test_bit(JOB_AUTOWEP, &ai->jobs))
3164 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs))
3165 airo_process_scan_results(ai);
3166 else /* Shouldn't get here, but we make sure to unlock */
3173 static irqreturn_t airo_interrupt ( int irq, void* dev_id) {
3174 struct net_device *dev = (struct net_device *)dev_id;
3177 struct airo_info *apriv = dev->priv;
3178 u16 savedInterrupts = 0;
3181 if (!netif_device_present(dev))
3185 status = IN4500( apriv, EVSTAT );
3186 if ( !(status & STATUS_INTS) || status == 0xffff ) break;
3190 if ( status & EV_AWAKE ) {
3191 OUT4500( apriv, EVACK, EV_AWAKE );
3192 OUT4500( apriv, EVACK, EV_AWAKE );
3195 if (!savedInterrupts) {
3196 savedInterrupts = IN4500( apriv, EVINTEN );
3197 OUT4500( apriv, EVINTEN, 0 );
3200 if ( status & EV_MIC ) {
3201 OUT4500( apriv, EVACK, EV_MIC );
3202 if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
3203 set_bit(JOB_MIC, &apriv->jobs);
3204 wake_up_interruptible(&apriv->thr_wait);
3207 if ( status & EV_LINK ) {
3208 union iwreq_data wrqu;
3209 int scan_forceloss = 0;
3210 /* The link status has changed, if you want to put a
3211 monitor hook in, do it here. (Remember that
3212 interrupts are still disabled!)
3214 u16 newStatus = IN4500(apriv, LINKSTAT);
3215 OUT4500( apriv, EVACK, EV_LINK);
3216 /* Here is what newStatus means: */
3217 #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
3218 #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
3219 #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
3220 #define FORCELOSS 0x8003 /* Loss of sync - host request */
3221 #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
3222 #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
3223 #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
3224 #define ASSFAIL 0x8400 /* Association failure (low byte is reason
3226 #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
3228 #define ASSOCIATED 0x0400 /* Associated */
3229 #define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
3230 #define RC_RESERVED 0 /* Reserved return code */
3231 #define RC_NOREASON 1 /* Unspecified reason */
3232 #define RC_AUTHINV 2 /* Previous authentication invalid */
3233 #define RC_DEAUTH 3 /* Deauthenticated because sending station is
3235 #define RC_NOACT 4 /* Disassociated due to inactivity */
3236 #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
3237 all currently associated stations */
3238 #define RC_BADCLASS2 6 /* Class 2 frame received from
3239 non-Authenticated station */
3240 #define RC_BADCLASS3 7 /* Class 3 frame received from
3241 non-Associated station */
3242 #define RC_STATLEAVE 8 /* Disassociated because sending station is
3244 #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
3245 Authenticated with the responding station */
3246 if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
3248 if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
3251 if (apriv->list_bss_task)
3252 wake_up_process(apriv->list_bss_task);
3253 set_bit(FLAG_UPDATE_UNI, &apriv->flags);
3254 set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
3256 if (down_trylock(&apriv->sem) != 0) {
3257 set_bit(JOB_EVENT, &apriv->jobs);
3258 wake_up_interruptible(&apriv->thr_wait);
3260 airo_send_event(dev);
3261 } else if (!scan_forceloss) {
3262 if (auto_wep && !apriv->expires) {
3263 apriv->expires = RUN_AT(3*HZ);
3264 wake_up_interruptible(&apriv->thr_wait);
3267 /* Send event to user space */
3268 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
3269 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3270 wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
3274 /* Check to see if there is something to receive */
3275 if ( status & EV_RX ) {
3276 struct sk_buff *skb = NULL;
3277 u16 fc, len, hdrlen = 0;
3291 if (test_bit(FLAG_MPI,&apriv->flags)) {
3292 if (test_bit(FLAG_802_11, &apriv->flags))
3293 mpi_receive_802_11(apriv);
3295 mpi_receive_802_3(apriv);
3296 OUT4500(apriv, EVACK, EV_RX);
3300 fid = IN4500( apriv, RXFID );
3302 /* Get the packet length */
3303 if (test_bit(FLAG_802_11, &apriv->flags)) {
3304 bap_setup (apriv, fid, 4, BAP0);
3305 bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
3306 /* Bad CRC. Ignore packet */
3307 if (le16_to_cpu(hdr.status) & 2)
3309 if (apriv->wifidev == NULL)
3312 bap_setup (apriv, fid, 0x36, BAP0);
3313 bap_read (apriv, (u16*)&hdr.len, 2, BAP0);
3315 len = le16_to_cpu(hdr.len);
3317 if (len > AIRO_DEF_MTU) {
3318 airo_print_err(apriv->dev->name, "Bad size %d", len);
3324 if (test_bit(FLAG_802_11, &apriv->flags)) {
3325 bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
3326 fc = le16_to_cpu(fc);
3329 if ((fc & 0xe0) == 0xc0)
3335 if ((fc&0x300)==0x300){
3343 hdrlen = ETH_ALEN * 2;
3345 skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
3347 apriv->stats.rx_dropped++;
3350 skb_reserve(skb, 2); /* This way the IP header is aligned */
3351 buffer = (u16*)skb_put (skb, len + hdrlen);
3352 if (test_bit(FLAG_802_11, &apriv->flags)) {
3354 bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
3356 bap_read (apriv, tmpbuf, 6, BAP0);
3358 bap_read (apriv, &gap, sizeof(gap), BAP0);
3359 gap = le16_to_cpu(gap);
3362 bap_read (apriv, tmpbuf, gap, BAP0);
3364 airo_print_err(apriv->dev->name, "gaplen too "
3365 "big. Problems will follow...");
3368 bap_read (apriv, buffer + hdrlen/2, len, BAP0);
3371 bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
3372 if (apriv->micstats.enabled) {
3373 bap_read (apriv,(u16*)&micbuf,sizeof(micbuf),BAP0);
3374 if (ntohs(micbuf.typelen) > 0x05DC)
3375 bap_setup (apriv, fid, 0x44, BAP0);
3377 if (len <= sizeof(micbuf))
3380 len -= sizeof(micbuf);
3381 skb_trim (skb, len + hdrlen);
3384 bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
3385 if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
3387 dev_kfree_skb_irq (skb);
3389 OUT4500( apriv, EVACK, EV_RX);
3394 if (apriv->spy_data.spy_number > 0) {
3396 struct iw_quality wstats;
3397 /* Prepare spy data : addr + qual */
3398 if (!test_bit(FLAG_802_11, &apriv->flags)) {
3399 sa = (char*)buffer + 6;
3400 bap_setup (apriv, fid, 8, BAP0);
3401 bap_read (apriv, (u16*)hdr.rssi, 2, BAP0);
3403 sa = (char*)buffer + 10;
3404 wstats.qual = hdr.rssi[0];
3406 wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
3408 wstats.level = (hdr.rssi[1] + 321) / 2;
3409 wstats.noise = apriv->wstats.qual.noise;
3410 wstats.updated = IW_QUAL_LEVEL_UPDATED
3411 | IW_QUAL_QUAL_UPDATED
3413 /* Update spy records */
3414 wireless_spy_update(dev, sa, &wstats);
3416 #endif /* WIRELESS_SPY */
3417 OUT4500( apriv, EVACK, EV_RX);
3419 if (test_bit(FLAG_802_11, &apriv->flags)) {
3420 skb_reset_mac_header(skb);
3421 skb->pkt_type = PACKET_OTHERHOST;
3422 skb->dev = apriv->wifidev;
3423 skb->protocol = htons(ETH_P_802_2);
3425 skb->protocol = eth_type_trans(skb,dev);
3426 skb->dev->last_rx = jiffies;
3427 skb->ip_summed = CHECKSUM_NONE;
3433 /* Check to see if a packet has been transmitted */
3434 if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
3439 if (test_bit(FLAG_MPI,&apriv->flags)) {
3440 unsigned long flags;
3442 if (status & EV_TXEXC)
3443 get_tx_error(apriv, -1);
3444 spin_lock_irqsave(&apriv->aux_lock, flags);
3445 if (!skb_queue_empty(&apriv->txq)) {
3446 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3447 mpi_send_packet (dev);
3449 clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
3450 spin_unlock_irqrestore(&apriv->aux_lock,flags);
3451 netif_wake_queue (dev);
3453 OUT4500( apriv, EVACK,
3454 status & (EV_TX|EV_TXCPY|EV_TXEXC));
3458 fid = IN4500(apriv, TXCOMPLFID);
3460 for( i = 0; i < MAX_FIDS; i++ ) {
3461 if ( ( apriv->fids[i] & 0xffff ) == fid ) {
3462 len = apriv->fids[i] >> 16;
3467 if (status & EV_TXEXC)
3468 get_tx_error(apriv, index);
3469 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
3470 /* Set up to be used again */
3471 apriv->fids[index] &= 0xffff;
3472 if (index < MAX_FIDS / 2) {
3473 if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
3474 netif_wake_queue(dev);
3476 if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
3477 netif_wake_queue(apriv->wifidev);
3480 OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
3481 airo_print_err(apriv->dev->name, "Unallocated FID was "
3486 if ( status & ~STATUS_INTS & ~IGNORE_INTS )
3487 airo_print_warn(apriv->dev->name, "Got weird status %x",
3488 status & ~STATUS_INTS & ~IGNORE_INTS );
3491 if (savedInterrupts)
3492 OUT4500( apriv, EVINTEN, savedInterrupts );
3495 return IRQ_RETVAL(handled);
3499 * Routines to talk to the card
3503 * This was originally written for the 4500, hence the name
3504 * NOTE: If use with 8bit mode and SMP bad things will happen!
3505 * Why would some one do 8 bit IO in an SMP machine?!?
3507 static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
3508 if (test_bit(FLAG_MPI,&ai->flags))
3511 outw( val, ai->dev->base_addr + reg );
3513 outb( val & 0xff, ai->dev->base_addr + reg );
3514 outb( val >> 8, ai->dev->base_addr + reg + 1 );
3518 static u16 IN4500( struct airo_info *ai, u16 reg ) {
3521 if (test_bit(FLAG_MPI,&ai->flags))
3524 rc = inw( ai->dev->base_addr + reg );
3526 rc = inb( ai->dev->base_addr + reg );
3527 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
3532 static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
3536 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
3537 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
3538 * Note : we could try to use !netif_running(dev) in enable_MAC()
3539 * instead of this flag, but I don't trust it *within* the
3540 * open/close functions, and testing both flags together is
3541 * "cheaper" - Jean II */
3542 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS;
3544 if (lock && down_interruptible(&ai->sem))
3545 return -ERESTARTSYS;
3547 if (!test_bit(FLAG_ENABLED, &ai->flags)) {
3548 memset(&cmd, 0, sizeof(cmd));
3549 cmd.cmd = MAC_ENABLE;
3550 rc = issuecommand(ai, &cmd, rsp);
3552 set_bit(FLAG_ENABLED, &ai->flags);
3560 airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
3565 static void disable_MAC( struct airo_info *ai, int lock ) {
3569 if (lock && down_interruptible(&ai->sem))
3572 if (test_bit(FLAG_ENABLED, &ai->flags)) {
3573 memset(&cmd, 0, sizeof(cmd));
3574 cmd.cmd = MAC_DISABLE; // disable in case already enabled
3575 issuecommand(ai, &cmd, &rsp);
3576 clear_bit(FLAG_ENABLED, &ai->flags);
3582 static void enable_interrupts( struct airo_info *ai ) {
3583 /* Enable the interrupts */
3584 OUT4500( ai, EVINTEN, STATUS_INTS );
3587 static void disable_interrupts( struct airo_info *ai ) {
3588 OUT4500( ai, EVINTEN, 0 );
3591 static void mpi_receive_802_3(struct airo_info *ai)
3595 struct sk_buff *skb;
3600 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3601 /* Make sure we got something */
3602 if (rxd.rdy && rxd.valid == 0) {
3604 if (len < 12 || len > 2048)
3607 skb = dev_alloc_skb(len);
3609 ai->stats.rx_dropped++;
3612 buffer = skb_put(skb,len);
3613 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2);
3614 if (ai->micstats.enabled) {
3616 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2,
3618 if (ntohs(micbuf.typelen) <= 0x05DC) {
3619 if (len <= sizeof(micbuf) + ETH_ALEN * 2)
3622 off = sizeof(micbuf);
3623 skb_trim (skb, len - off);
3626 memcpy(buffer + ETH_ALEN * 2,
3627 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off,
3628 len - ETH_ALEN * 2 - off);
3629 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) {
3631 dev_kfree_skb_irq (skb);
3635 if (ai->spy_data.spy_number > 0) {
3637 struct iw_quality wstats;
3638 /* Prepare spy data : addr + qual */
3639 sa = buffer + ETH_ALEN;
3640 wstats.qual = 0; /* XXX Where do I get that info from ??? */
3643 /* Update spy records */
3644 wireless_spy_update(ai->dev, sa, &wstats);
3646 #endif /* WIRELESS_SPY */
3648 skb->ip_summed = CHECKSUM_NONE;
3649 skb->protocol = eth_type_trans(skb, ai->dev);
3650 skb->dev->last_rx = jiffies;
3654 if (rxd.valid == 0) {
3658 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3662 void mpi_receive_802_11 (struct airo_info *ai)
3665 struct sk_buff *skb = NULL;
3666 u16 fc, len, hdrlen = 0;
3678 char *ptr = ai->rxfids[0].virtual_host_addr+4;
3680 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
3681 memcpy ((char *)&hdr, ptr, sizeof(hdr));
3683 /* Bad CRC. Ignore packet */
3684 if (le16_to_cpu(hdr.status) & 2)
3686 if (ai->wifidev == NULL)
3688 len = le16_to_cpu(hdr.len);
3689 if (len > AIRO_DEF_MTU) {
3690 airo_print_err(ai->dev->name, "Bad size %d", len);
3696 memcpy ((char *)&fc, ptr, sizeof(fc));
3697 fc = le16_to_cpu(fc);
3700 if ((fc & 0xe0) == 0xc0)
3706 if ((fc&0x300)==0x300){
3714 skb = dev_alloc_skb( len + hdrlen + 2 );
3716 ai->stats.rx_dropped++;
3719 buffer = (u16*)skb_put (skb, len + hdrlen);
3720 memcpy ((char *)buffer, ptr, hdrlen);
3724 memcpy ((char *)&gap, ptr, sizeof(gap));
3726 gap = le16_to_cpu(gap);
3731 airo_print_err(ai->dev->name,
3732 "gaplen too big. Problems will follow...");
3734 memcpy ((char *)buffer + hdrlen, ptr, len);
3736 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
3737 if (ai->spy_data.spy_number > 0) {
3739 struct iw_quality wstats;
3740 /* Prepare spy data : addr + qual */
3741 sa = (char*)buffer + 10;
3742 wstats.qual = hdr.rssi[0];
3744 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
3746 wstats.level = (hdr.rssi[1] + 321) / 2;
3747 wstats.noise = ai->wstats.qual.noise;
3748 wstats.updated = IW_QUAL_QUAL_UPDATED
3749 | IW_QUAL_LEVEL_UPDATED
3751 /* Update spy records */
3752 wireless_spy_update(ai->dev, sa, &wstats);
3754 #endif /* IW_WIRELESS_SPY */
3755 skb_reset_mac_header(skb);
3756 skb->pkt_type = PACKET_OTHERHOST;
3757 skb->dev = ai->wifidev;
3758 skb->protocol = htons(ETH_P_802_2);
3759 skb->dev->last_rx = jiffies;
3760 skb->ip_summed = CHECKSUM_NONE;
3763 if (rxd.valid == 0) {
3767 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd));
3771 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
3782 memset( &mySsid, 0, sizeof( mySsid ) );
3786 /* The NOP is the first step in getting the card going */
3788 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
3789 if (lock && down_interruptible(&ai->sem))
3791 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
3796 disable_MAC( ai, 0);
3798 // Let's figure out if we need to use the AUX port
3799 if (!test_bit(FLAG_MPI,&ai->flags)) {
3800 cmd.cmd = CMD_ENABLEAUX;
3801 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
3804 airo_print_err(ai->dev->name, "Error checking for AUX port");
3807 if (!aux_bap || rsp.status & 0xff00) {
3808 ai->bap_read = fast_bap_read;
3809 airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
3811 ai->bap_read = aux_bap_read;
3812 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
3817 if (ai->config.len == 0) {
3818 tdsRssiRid rssi_rid;
3819 CapabilityRid cap_rid;
3825 // general configuration (read/modify/write)
3826 status = readConfigRid(ai, lock);
3827 if ( status != SUCCESS ) return ERROR;
3829 status = readCapabilityRid(ai, &cap_rid, lock);
3830 if ( status != SUCCESS ) return ERROR;
3832 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
3833 if ( status == SUCCESS ) {
3834 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
3835 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
3840 if (cap_rid.softCap & 8)
3841 ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
3843 airo_print_warn(ai->dev->name, "unknown received signal "
3846 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
3847 ai->config.authType = AUTH_OPEN;
3848 ai->config.modulation = MOD_CCK;
3850 if ((cap_rid.len>=sizeof(cap_rid)) && (cap_rid.extSoftCap&1) &&
3851 (micsetup(ai) == SUCCESS)) {
3852 ai->config.opmode |= MODE_MIC;
3853 set_bit(FLAG_MIC_CAPABLE, &ai->flags);
3856 /* Save off the MAC */
3857 for( i = 0; i < ETH_ALEN; i++ ) {
3858 mac[i] = ai->config.macAddr[i];
3861 /* Check to see if there are any insmod configured
3865 memset(ai->config.rates,0,sizeof(ai->config.rates));
3866 for( i = 0; i < 8 && rates[i]; i++ ) {
3867 ai->config.rates[i] = rates[i];
3870 if ( basic_rate > 0 ) {
3872 for( i = 0; i < 8; i++ ) {
3873 if ( ai->config.rates[i] == basic_rate ||
3874 !ai->config.rates ) {
3875 ai->config.rates[i] = basic_rate | 0x80;
3880 set_bit (FLAG_COMMIT, &ai->flags);
3883 /* Setup the SSIDs if present */
3886 for( i = 0; i < 3 && ssids[i]; i++ ) {
3887 mySsid.ssids[i].len = strlen(ssids[i]);
3888 if ( mySsid.ssids[i].len > 32 )
3889 mySsid.ssids[i].len = 32;
3890 memcpy(mySsid.ssids[i].ssid, ssids[i],
3891 mySsid.ssids[i].len);
3893 mySsid.len = sizeof(mySsid);
3896 status = writeConfigRid(ai, lock);
3897 if ( status != SUCCESS ) return ERROR;
3899 /* Set up the SSID list */
3901 status = writeSsidRid(ai, &mySsid, lock);
3902 if ( status != SUCCESS ) return ERROR;
3905 status = enable_MAC(ai, &rsp, lock);
3906 if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
3907 airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
3908 " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
3912 /* Grab the initial wep key, we gotta save it for auto_wep */
3913 rc = readWepKeyRid(ai, &wkr, 1, lock);
3914 if (rc == SUCCESS) do {
3915 lastindex = wkr.kindex;
3916 if (wkr.kindex == 0xffff) {
3917 ai->defindex = wkr.mac[0];
3919 rc = readWepKeyRid(ai, &wkr, 0, lock);
3920 } while(lastindex != wkr.kindex);
3923 ai->expires = RUN_AT(3*HZ);
3924 wake_up_interruptible(&ai->thr_wait);
3930 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
3931 // Im really paranoid about letting it run forever!
3932 int max_tries = 600000;
3934 if (IN4500(ai, EVSTAT) & EV_CMD)
3935 OUT4500(ai, EVACK, EV_CMD);
3937 OUT4500(ai, PARAM0, pCmd->parm0);
3938 OUT4500(ai, PARAM1, pCmd->parm1);
3939 OUT4500(ai, PARAM2, pCmd->parm2);
3940 OUT4500(ai, COMMAND, pCmd->cmd);
3942 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
3943 if ((IN4500(ai, COMMAND)) == pCmd->cmd)
3944 // PC4500 didn't notice command, try again
3945 OUT4500(ai, COMMAND, pCmd->cmd);
3946 if (!in_atomic() && (max_tries & 255) == 0)
3950 if ( max_tries == -1 ) {
3951 airo_print_err(ai->dev->name,
3952 "Max tries exceeded when issueing command");
3953 if (IN4500(ai, COMMAND) & COMMAND_BUSY)
3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3958 // command completed
3959 pRsp->status = IN4500(ai, STATUS);
3960 pRsp->rsp0 = IN4500(ai, RESP0);
3961 pRsp->rsp1 = IN4500(ai, RESP1);
3962 pRsp->rsp2 = IN4500(ai, RESP2);
3963 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET)
3964 airo_print_err(ai->dev->name,
3965 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x",
3966 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1,
3969 // clear stuck command busy if necessary
3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
3973 // acknowledge processing the status/response
3974 OUT4500(ai, EVACK, EV_CMD);
3979 /* Sets up the bap to start exchange data. whichbap should
3980 * be one of the BAP0 or BAP1 defines. Locks should be held before
3982 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
3987 OUT4500(ai, SELECT0+whichbap, rid);
3988 OUT4500(ai, OFFSET0+whichbap, offset);
3990 int status = IN4500(ai, OFFSET0+whichbap);
3991 if (status & BAP_BUSY) {
3992 /* This isn't really a timeout, but its kinda
3997 } else if ( status & BAP_ERR ) {
3998 /* invalid rid or offset */
3999 airo_print_err(ai->dev->name, "BAP error %x %d",
4002 } else if (status & BAP_DONE) { // success
4005 if ( !(max_tries--) ) {
4006 airo_print_err(ai->dev->name,
4007 "airo: BAP setup error too many retries\n");
4010 // -- PC4500 missed it, try again
4011 OUT4500(ai, SELECT0+whichbap, rid);
4012 OUT4500(ai, OFFSET0+whichbap, offset);
4017 /* should only be called by aux_bap_read. This aux function and the
4018 following use concepts not documented in the developers guide. I
4019 got them from a patch given to my by Aironet */
4020 static u16 aux_setup(struct airo_info *ai, u16 page,
4021 u16 offset, u16 *len)
4025 OUT4500(ai, AUXPAGE, page);
4026 OUT4500(ai, AUXOFF, 0);
4027 next = IN4500(ai, AUXDATA);
4028 *len = IN4500(ai, AUXDATA)&0xff;
4029 if (offset != 4) OUT4500(ai, AUXOFF, offset);
4033 /* requires call to bap_setup() first */
4034 static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
4035 int bytelen, int whichbap)
4043 unsigned long flags;
4045 spin_lock_irqsave(&ai->aux_lock, flags);
4046 page = IN4500(ai, SWS0+whichbap);
4047 offset = IN4500(ai, SWS2+whichbap);
4048 next = aux_setup(ai, page, offset, &len);
4049 words = (bytelen+1)>>1;
4051 for (i=0; i<words;) {
4053 count = (len>>1) < (words-i) ? (len>>1) : (words-i);
4055 insw( ai->dev->base_addr+DATA0+whichbap,
4058 insb( ai->dev->base_addr+DATA0+whichbap,
4059 pu16Dst+i, count << 1 );
4062 next = aux_setup(ai, next, 4, &len);
4065 spin_unlock_irqrestore(&ai->aux_lock, flags);
4070 /* requires call to bap_setup() first */
4071 static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
4072 int bytelen, int whichbap)
4074 bytelen = (bytelen + 1) & (~1); // round up to even value
4076 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
4078 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
4082 /* requires call to bap_setup() first */
4083 static int bap_write(struct airo_info *ai, const u16 *pu16Src,
4084 int bytelen, int whichbap)
4086 bytelen = (bytelen + 1) & (~1); // round up to even value
4088 outsw( ai->dev->base_addr+DATA0+whichbap,
4089 pu16Src, bytelen>>1 );
4091 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
4095 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
4097 Cmd cmd; /* for issuing commands */
4098 Resp rsp; /* response from commands */
4101 memset(&cmd, 0, sizeof(cmd));
4104 status = issuecommand(ai, &cmd, &rsp);
4105 if (status != 0) return status;
4106 if ( (rsp.status & 0x7F00) != 0) {
4107 return (accmd << 8) + (rsp.rsp0 & 0xFF);
4112 /* Note, that we are using BAP1 which is also used by transmit, so
4113 * we must get a lock. */
4114 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock)
4120 if (down_interruptible(&ai->sem))
4123 if (test_bit(FLAG_MPI,&ai->flags)) {
4127 memset(&cmd, 0, sizeof(cmd));
4128 memset(&rsp, 0, sizeof(rsp));
4129 ai->config_desc.rid_desc.valid = 1;
4130 ai->config_desc.rid_desc.len = RIDSIZE;
4131 ai->config_desc.rid_desc.rid = 0;
4132 ai->config_desc.rid_desc.host_addr = ai->ridbus;
4134 cmd.cmd = CMD_ACCESS;
4137 memcpy_toio(ai->config_desc.card_ram_off,
4138 &ai->config_desc.rid_desc, sizeof(Rid));
4140 rc = issuecommand(ai, &cmd, &rsp);
4142 if (rsp.status & 0x7f00)
4145 memcpy(pBuf, ai->config_desc.virtual_host_addr, len);
4148 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) {
4152 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4156 // read the rid length field
4157 bap_read(ai, pBuf, 2, BAP1);
4158 // length for remaining part of rid
4159 len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
4162 airo_print_err(ai->dev->name,
4163 "Rid %x has a length of %d which is too short",
4164 (int)rid, (int)len );
4168 // read remainder of the rid
4169 rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
4177 /* Note, that we are using BAP1 which is also used by transmit, so
4178 * make sure this isnt called when a transmit is happening */
4179 static int PC4500_writerid(struct airo_info *ai, u16 rid,
4180 const void *pBuf, int len, int lock)
4185 *(u16*)pBuf = cpu_to_le16((u16)len);
4188 if (down_interruptible(&ai->sem))
4191 if (test_bit(FLAG_MPI,&ai->flags)) {
4195 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
4196 airo_print_err(ai->dev->name,
4197 "%s: MAC should be disabled (rid=%04x)",
4199 memset(&cmd, 0, sizeof(cmd));
4200 memset(&rsp, 0, sizeof(rsp));
4202 ai->config_desc.rid_desc.valid = 1;
4203 ai->config_desc.rid_desc.len = *((u16 *)pBuf);
4204 ai->config_desc.rid_desc.rid = 0;
4206 cmd.cmd = CMD_WRITERID;
4209 memcpy_toio(ai->config_desc.card_ram_off,
4210 &ai->config_desc.rid_desc, sizeof(Rid));
4212 if (len < 4 || len > 2047) {
4213 airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
4216 memcpy((char *)ai->config_desc.virtual_host_addr,
4219 rc = issuecommand(ai, &cmd, &rsp);
4220 if ((rc & 0xff00) != 0) {
4221 airo_print_err(ai->dev->name, "%s: Write rid Error %d",
4223 airo_print_err(ai->dev->name, "%s: Cmd=%04x",
4224 __FUNCTION__, cmd.cmd);
4227 if ((rsp.status & 0x7f00))
4231 // --- first access so that we can write the rid data
4232 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
4236 // --- now write the rid data
4237 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
4241 bap_write(ai, pBuf, len, BAP1);
4242 // ---now commit the rid data
4243 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
4251 /* Allocates a FID to be used for transmitting packets. We only use
4253 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw)
4255 unsigned int loop = 3000;
4261 cmd.cmd = CMD_ALLOCATETX;
4262 cmd.parm0 = lenPayload;
4263 if (down_interruptible(&ai->sem))
4265 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
4269 if ( (rsp.status & 0xFF00) != 0) {
4273 /* wait for the allocate event/indication
4274 * It makes me kind of nervous that this can just sit here and spin,
4275 * but in practice it only loops like four times. */
4276 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop);
4282 // get the allocated fid and acknowledge
4283 txFid = IN4500(ai, TXALLOCFID);
4284 OUT4500(ai, EVACK, EV_ALLOC);
4286 /* The CARD is pretty cool since it converts the ethernet packet
4287 * into 802.11. Also note that we don't release the FID since we
4288 * will be using the same one over and over again. */
4289 /* We only have to setup the control once since we are not
4290 * releasing the fid. */
4292 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11
4293 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4295 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
4296 | TXCTL_ETHERNET | TXCTL_NORELEASE);
4297 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS)
4300 bap_write(ai, &txControl, sizeof(txControl), BAP1);
4308 /* In general BAP1 is dedicated to transmiting packets. However,
4309 since we need a BAP when accessing RIDs, we also use BAP1 for that.
4310 Make sure the BAP1 spinlock is held when this is called. */
4311 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
4322 if (len <= ETH_ALEN * 2) {
4323 airo_print_warn(ai->dev->name, "Short packet %d", len);
4326 len -= ETH_ALEN * 2;
4328 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled &&
4329 (ntohs(((u16 *)pPacket)[6]) != 0x888E)) {
4330 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS)
4332 miclen = sizeof(pMic);
4334 // packet is destination[6], source[6], payload[len-12]
4335 // write the payload length and dst/src/payload
4336 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
4337 /* The hardware addresses aren't counted as part of the payload, so
4338 * we have to subtract the 12 bytes for the addresses off */
4339 payloadLen = cpu_to_le16(len + miclen);
4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4341 bap_write(ai, (const u16*)pPacket, sizeof(etherHead), BAP1);
4343 bap_write(ai, (const u16*)&pMic, miclen, BAP1);
4344 bap_write(ai, (const u16*)(pPacket + sizeof(etherHead)), len, BAP1);
4345 // issue the transmit command
4346 memset( &cmd, 0, sizeof( cmd ) );
4347 cmd.cmd = CMD_TRANSMIT;
4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4350 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4354 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
4369 fc = le16_to_cpu(*(const u16*)pPacket);
4372 if ((fc & 0xe0) == 0xc0)
4378 if ((fc&0x300)==0x300){
4387 airo_print_warn(ai->dev->name, "Short packet %d", len);
4391 /* packet is 802.11 header + payload
4392 * write the payload length and dst/src/payload */
4393 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR;
4394 /* The 802.11 header aren't counted as part of the payload, so
4395 * we have to subtract the header bytes off */
4396 payloadLen = cpu_to_le16(len-hdrlen);
4397 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
4398 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR;
4399 bap_write(ai, (const u16*)pPacket, hdrlen, BAP1);
4400 bap_write(ai, hdrlen == 30 ?
4401 (const u16*)&gap.gaplen : (const u16*)&gap, 38 - hdrlen, BAP1);
4403 bap_write(ai, (const u16*)(pPacket + hdrlen), len - hdrlen, BAP1);
4404 // issue the transmit command
4405 memset( &cmd, 0, sizeof( cmd ) );
4406 cmd.cmd = CMD_TRANSMIT;
4408 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
4409 if ( (rsp.status & 0xFF00) != 0) return ERROR;
4414 * This is the proc_fs routines. It is a bit messier than I would
4415 * like! Feel free to clean it up!
4418 static ssize_t proc_read( struct file *file,
4419 char __user *buffer,
4423 static ssize_t proc_write( struct file *file,
4424 const char __user *buffer,
4427 static int proc_close( struct inode *inode, struct file *file );
4429 static int proc_stats_open( struct inode *inode, struct file *file );
4430 static int proc_statsdelta_open( struct inode *inode, struct file *file );
4431 static int proc_status_open( struct inode *inode, struct file *file );
4432 static int proc_SSID_open( struct inode *inode, struct file *file );
4433 static int proc_APList_open( struct inode *inode, struct file *file );
4434 static int proc_BSSList_open( struct inode *inode, struct file *file );
4435 static int proc_config_open( struct inode *inode, struct file *file );
4436 static int proc_wepkey_open( struct inode *inode, struct file *file );
4438 static const struct file_operations proc_statsdelta_ops = {
4440 .open = proc_statsdelta_open,
4441 .release = proc_close
4444 static const struct file_operations proc_stats_ops = {
4446 .open = proc_stats_open,
4447 .release = proc_close
4450 static const struct file_operations proc_status_ops = {
4452 .open = proc_status_open,
4453 .release = proc_close
4456 static const struct file_operations proc_SSID_ops = {
4458 .write = proc_write,
4459 .open = proc_SSID_open,
4460 .release = proc_close
4463 static const struct file_operations proc_BSSList_ops = {
4465 .write = proc_write,
4466 .open = proc_BSSList_open,
4467 .release = proc_close
4470 static const struct file_operations proc_APList_ops = {
4472 .write = proc_write,
4473 .open = proc_APList_open,
4474 .release = proc_close
4477 static const struct file_operations proc_config_ops = {
4479 .write = proc_write,
4480 .open = proc_config_open,
4481 .release = proc_close
4484 static const struct file_operations proc_wepkey_ops = {
4486 .write = proc_write,
4487 .open = proc_wepkey_open,
4488 .release = proc_close
4491 static struct proc_dir_entry *airo_entry;
4500 void (*on_close) (struct inode *, struct file *);
4504 #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
4507 static int setup_proc_entry( struct net_device *dev,
4508 struct airo_info *apriv ) {
4509 struct proc_dir_entry *entry;
4510 /* First setup the device directory */
4511 strcpy(apriv->proc_name,dev->name);
4512 apriv->proc_entry = create_proc_entry(apriv->proc_name,
4515 if (!apriv->proc_entry)
4517 apriv->proc_entry->uid = proc_uid;
4518 apriv->proc_entry->gid = proc_gid;
4519 apriv->proc_entry->owner = THIS_MODULE;
4521 /* Setup the StatsDelta */
4522 entry = create_proc_entry("StatsDelta",
4523 S_IFREG | (S_IRUGO&proc_perm),
4526 goto fail_stats_delta;
4527 entry->uid = proc_uid;
4528 entry->gid = proc_gid;
4530 entry->owner = THIS_MODULE;
4531 SETPROC_OPS(entry, proc_statsdelta_ops);
4533 /* Setup the Stats */
4534 entry = create_proc_entry("Stats",
4535 S_IFREG | (S_IRUGO&proc_perm),
4539 entry->uid = proc_uid;
4540 entry->gid = proc_gid;
4542 entry->owner = THIS_MODULE;
4543 SETPROC_OPS(entry, proc_stats_ops);
4545 /* Setup the Status */
4546 entry = create_proc_entry("Status",
4547 S_IFREG | (S_IRUGO&proc_perm),
4551 entry->uid = proc_uid;
4552 entry->gid = proc_gid;
4554 entry->owner = THIS_MODULE;
4555 SETPROC_OPS(entry, proc_status_ops);
4557 /* Setup the Config */
4558 entry = create_proc_entry("Config",
4559 S_IFREG | proc_perm,
4563 entry->uid = proc_uid;
4564 entry->gid = proc_gid;
4566 entry->owner = THIS_MODULE;
4567 SETPROC_OPS(entry, proc_config_ops);
4569 /* Setup the SSID */
4570 entry = create_proc_entry("SSID",
4571 S_IFREG | proc_perm,
4575 entry->uid = proc_uid;
4576 entry->gid = proc_gid;
4578 entry->owner = THIS_MODULE;
4579 SETPROC_OPS(entry, proc_SSID_ops);
4581 /* Setup the APList */
4582 entry = create_proc_entry("APList",
4583 S_IFREG | proc_perm,
4587 entry->uid = proc_uid;
4588 entry->gid = proc_gid;
4590 entry->owner = THIS_MODULE;
4591 SETPROC_OPS(entry, proc_APList_ops);
4593 /* Setup the BSSList */
4594 entry = create_proc_entry("BSSList",
4595 S_IFREG | proc_perm,
4599 entry->uid = proc_uid;
4600 entry->gid = proc_gid;
4602 entry->owner = THIS_MODULE;
4603 SETPROC_OPS(entry, proc_BSSList_ops);
4605 /* Setup the WepKey */
4606 entry = create_proc_entry("WepKey",
4607 S_IFREG | proc_perm,
4611 entry->uid = proc_uid;
4612 entry->gid = proc_gid;
4614 entry->owner = THIS_MODULE;
4615 SETPROC_OPS(entry, proc_wepkey_ops);
4620 remove_proc_entry("BSSList", apriv->proc_entry);
4622 remove_proc_entry("APList", apriv->proc_entry);
4624 remove_proc_entry("SSID", apriv->proc_entry);
4626 remove_proc_entry("Config", apriv->proc_entry);
4628 remove_proc_entry("Status", apriv->proc_entry);
4630 remove_proc_entry("Stats", apriv->proc_entry);
4632 remove_proc_entry("StatsDelta", apriv->proc_entry);
4634 remove_proc_entry(apriv->proc_name, airo_entry);
4639 static int takedown_proc_entry( struct net_device *dev,
4640 struct airo_info *apriv ) {
4641 if ( !apriv->proc_entry->namelen ) return 0;
4642 remove_proc_entry("Stats",apriv->proc_entry);
4643 remove_proc_entry("StatsDelta",apriv->proc_entry);
4644 remove_proc_entry("Status",apriv->proc_entry);
4645 remove_proc_entry("Config",apriv->proc_entry);
4646 remove_proc_entry("SSID",apriv->proc_entry);
4647 remove_proc_entry("APList",apriv->proc_entry);
4648 remove_proc_entry("BSSList",apriv->proc_entry);
4649 remove_proc_entry("WepKey",apriv->proc_entry);
4650 remove_proc_entry(apriv->proc_name,airo_entry);
4655 * What we want from the proc_fs is to be able to efficiently read
4656 * and write the configuration. To do this, we want to read the
4657 * configuration when the file is opened and write it when the file is
4658 * closed. So basically we allocate a read buffer at open and fill it
4659 * with data, and allocate a write buffer and read it at close.
4663 * The read routine is generic, it relies on the preallocated rbuffer
4664 * to supply the data.
4666 static ssize_t proc_read( struct file *file,
4667 char __user *buffer,
4671 loff_t pos = *offset;
4672 struct proc_data *priv = (struct proc_data*)file->private_data;
4679 if (pos >= priv->readlen)
4681 if (len > priv->readlen - pos)
4682 len = priv->readlen - pos;
4683 if (copy_to_user(buffer, priv->rbuffer + pos, len))
4685 *offset = pos + len;
4690 * The write routine is generic, it fills in a preallocated rbuffer
4691 * to supply the data.
4693 static ssize_t proc_write( struct file *file,
4694 const char __user *buffer,
4698 loff_t pos = *offset;
4699 struct proc_data *priv = (struct proc_data*)file->private_data;
4706 if (pos >= priv->maxwritelen)
4708 if (len > priv->maxwritelen - pos)
4709 len = priv->maxwritelen - pos;
4710 if (copy_from_user(priv->wbuffer + pos, buffer, len))
4712 if ( pos + len > priv->writelen )
4713 priv->writelen = len + file->f_pos;
4714 *offset = pos + len;
4718 static int proc_status_open( struct inode *inode, struct file *file ) {
4719 struct proc_data *data;
4720 struct proc_dir_entry *dp = PDE(inode);
4721 struct net_device *dev = dp->data;
4722 struct airo_info *apriv = dev->priv;
4723 CapabilityRid cap_rid;
4724 StatusRid status_rid;
4727 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4729 data = (struct proc_data *)file->private_data;
4730 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
4731 kfree (file->private_data);
4735 readStatusRid(apriv, &status_rid, 1);
4736 readCapabilityRid(apriv, &cap_rid, 1);
4738 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n",
4739 status_rid.mode & 1 ? "CFG ": "",
4740 status_rid.mode & 2 ? "ACT ": "",
4741 status_rid.mode & 0x10 ? "SYN ": "",
4742 status_rid.mode & 0x20 ? "LNK ": "",
4743 status_rid.mode & 0x40 ? "LEAP ": "",
4744 status_rid.mode & 0x80 ? "PRIV ": "",
4745 status_rid.mode & 0x100 ? "KEY ": "",
4746 status_rid.mode & 0x200 ? "WEP ": "",
4747 status_rid.mode & 0x8000 ? "ERR ": "");
4748 sprintf( data->rbuffer+i, "Mode: %x\n"
4749 "Signal Strength: %d\n"
4750 "Signal Quality: %d\n"
4755 "Driver Version: %s\n"
4756 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
4757 "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
4758 "Software Version: %x\nSoftware Subversion: %x\n"
4759 "Boot block version: %x\n",
4760 (int)status_rid.mode,
4761 (int)status_rid.normalizedSignalStrength,
4762 (int)status_rid.signalQuality,
4763 (int)status_rid.SSIDlen,
4766 (int)status_rid.channel,
4767 (int)status_rid.currentXmitRate/2,
4775 (int)cap_rid.softVer,
4776 (int)cap_rid.softSubVer,
4777 (int)cap_rid.bootBlockVer );
4778 data->readlen = strlen( data->rbuffer );
4782 static int proc_stats_rid_open(struct inode*, struct file*, u16);
4783 static int proc_statsdelta_open( struct inode *inode,
4784 struct file *file ) {
4785 if (file->f_mode&FMODE_WRITE) {
4786 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
4788 return proc_stats_rid_open(inode, file, RID_STATSDELTA);
4791 static int proc_stats_open( struct inode *inode, struct file *file ) {
4792 return proc_stats_rid_open(inode, file, RID_STATS);
4795 static int proc_stats_rid_open( struct inode *inode,
4798 struct proc_data *data;
4799 struct proc_dir_entry *dp = PDE(inode);
4800 struct net_device *dev = dp->data;
4801 struct airo_info *apriv = dev->priv;
4804 u32 *vals = stats.vals;
4806 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
4808 data = (struct proc_data *)file->private_data;
4809 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
4810 kfree (file->private_data);
4814 readStatsRid(apriv, &stats, rid, 1);
4817 for(i=0; statsLabels[i]!=(char *)-1 &&
4818 i*4<stats.len; i++){
4819 if (!statsLabels[i]) continue;
4820 if (j+strlen(statsLabels[i])+16>4096) {
4821 airo_print_warn(apriv->dev->name,
4822 "Potentially disasterous buffer overflow averted!");
4825 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
4827 if (i*4>=stats.len){
4828 airo_print_warn(apriv->dev->name, "Got a short rid");
4834 static int get_dec_u16( char *buffer, int *start, int limit ) {
4837 for( value = 0; buffer[*start] >= '0' &&
4838 buffer[*start] <= '9' &&
4839 *start < limit; (*start)++ ) {
4842 value += buffer[*start] - '0';
4844 if ( !valid ) return -1;
4848 static int airo_config_commit(struct net_device *dev,
4849 struct iw_request_info *info, void *zwrq,
4852 static void proc_config_on_close( struct inode *inode, struct file *file ) {
4853 struct proc_data *data = file->private_data;
4854 struct proc_dir_entry *dp = PDE(inode);
4855 struct net_device *dev = dp->data;
4856 struct airo_info *ai = dev->priv;
4859 if ( !data->writelen ) return;
4861 readConfigRid(ai, 1);
4862 set_bit (FLAG_COMMIT, &ai->flags);
4864 line = data->wbuffer;
4866 /*** Mode processing */
4867 if ( !strncmp( line, "Mode: ", 6 ) ) {
4869 if ((ai->config.rmode & 0xff) >= RXMODE_RFMON)
4870 set_bit (FLAG_RESET, &ai->flags);
4871 ai->config.rmode &= 0xfe00;
4872 clear_bit (FLAG_802_11, &ai->flags);
4873 ai->config.opmode &= 0xFF00;
4874 ai->config.scanMode = SCANMODE_ACTIVE;
4875 if ( line[0] == 'a' ) {
4876 ai->config.opmode |= 0;
4878 ai->config.opmode |= 1;
4879 if ( line[0] == 'r' ) {
4880 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
4881 ai->config.scanMode = SCANMODE_PASSIVE;
4882 set_bit (FLAG_802_11, &ai->flags);
4883 } else if ( line[0] == 'y' ) {
4884 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
4885 ai->config.scanMode = SCANMODE_PASSIVE;
4886 set_bit (FLAG_802_11, &ai->flags);
4887 } else if ( line[0] == 'l' )
4888 ai->config.rmode |= RXMODE_LANMON;
4890 set_bit (FLAG_COMMIT, &ai->flags);
4893 /*** Radio status */
4894 else if (!strncmp(line,"Radio: ", 7)) {
4896 if (!strncmp(line,"off",3)) {
4897 set_bit (FLAG_RADIO_OFF, &ai->flags);
4899 clear_bit (FLAG_RADIO_OFF, &ai->flags);
4902 /*** NodeName processing */
4903 else if ( !strncmp( line, "NodeName: ", 10 ) ) {
4907 memset( ai->config.nodeName, 0, 16 );
4908 /* Do the name, assume a space between the mode and node name */
4909 for( j = 0; j < 16 && line[j] != '\n'; j++ ) {
4910 ai->config.nodeName[j] = line[j];
4912 set_bit (FLAG_COMMIT, &ai->flags);
4915 /*** PowerMode processing */
4916 else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
4918 if ( !strncmp( line, "PSPCAM", 6 ) ) {
4919 ai->config.powerSaveMode = POWERSAVE_PSPCAM;
4920 set_bit (FLAG_COMMIT, &ai->flags);
4921 } else if ( !strncmp( line, "PSP", 3 ) ) {
4922 ai->config.powerSaveMode = POWERSAVE_PSP;
4923 set_bit (FLAG_COMMIT, &ai->flags);
4925 ai->config.powerSaveMode = POWERSAVE_CAM;
4926 set_bit (FLAG_COMMIT, &ai->flags);
4928 } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
4929 int v, i = 0, k = 0; /* i is index into line,
4930 k is index to rates */
4933 while((v = get_dec_u16(line, &i, 3))!=-1) {
4934 ai->config.rates[k++] = (u8)v;
4938 set_bit (FLAG_COMMIT, &ai->flags);
4939 } else if ( !strncmp( line, "Channel: ", 9 ) ) {
4942 v = get_dec_u16(line, &i, i+3);
4944 ai->config.channelSet = (u16)v;
4945 set_bit (FLAG_COMMIT, &ai->flags);
4947 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
4950 v = get_dec_u16(line, &i, i+3);
4952 ai->config.txPower = (u16)v;
4953 set_bit (FLAG_COMMIT, &ai->flags);
4955 } else if ( !strncmp( line, "WEP: ", 5 ) ) {
4959 ai->config.authType = (u16)AUTH_SHAREDKEY;
4962 ai->config.authType = (u16)AUTH_ENCRYPT;
4965 ai->config.authType = (u16)AUTH_OPEN;
4968 set_bit (FLAG_COMMIT, &ai->flags);
4969 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
4973 v = get_dec_u16(line, &i, 3);
4974 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4975 ai->config.longRetryLimit = (u16)v;
4976 set_bit (FLAG_COMMIT, &ai->flags);
4977 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
4981 v = get_dec_u16(line, &i, 3);
4982 v = (v<0) ? 0 : ((v>255) ? 255 : v);
4983 ai->config.shortRetryLimit = (u16)v;
4984 set_bit (FLAG_COMMIT, &ai->flags);
4985 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
4989 v = get_dec_u16(line, &i, 4);
4990 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
4991 ai->config.rtsThres = (u16)v;
4992 set_bit (FLAG_COMMIT, &ai->flags);
4993 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
4997 v = get_dec_u16(line, &i, 5);
4999 ai->config.txLifetime = (u16)v;
5000 set_bit (FLAG_COMMIT, &ai->flags);
5001 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
5005 v = get_dec_u16(line, &i, 5);
5007 ai->config.rxLifetime = (u16)v;
5008 set_bit (FLAG_COMMIT, &ai->flags);
5009 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
5010 ai->config.txDiversity =
5011 (line[13]=='l') ? 1 :
5012 ((line[13]=='r')? 2: 3);
5013 set_bit (FLAG_COMMIT, &ai->flags);
5014 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
5015 ai->config.rxDiversity =
5016 (line[13]=='l') ? 1 :
5017 ((line[13]=='r')? 2: 3);
5018 set_bit (FLAG_COMMIT, &ai->flags);
5019 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
5023 v = get_dec_u16(line, &i, 4);
5024 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
5025 v = v & 0xfffe; /* Make sure its even */
5026 ai->config.fragThresh = (u16)v;
5027 set_bit (FLAG_COMMIT, &ai->flags);
5028 } else if (!strncmp(line, "Modulation: ", 12)) {
5031 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
5032 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
5033 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
5034 default: airo_print_warn(ai->dev->name, "Unknown modulation");
5036 } else if (!strncmp(line, "Preamble: ", 10)) {
5039 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
5040 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
5041 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
5042 default: airo_print_warn(ai->dev->name, "Unknown preamble");
5045 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
5047 while( line[0] && line[0] != '\n' ) line++;
5048 if ( line[0] ) line++;
5050 airo_config_commit(dev, NULL, NULL, NULL);
5053 static char *get_rmode(u16 mode) {
5055 case RXMODE_RFMON: return "rfmon";
5056 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon";
5057 case RXMODE_LANMON: return "lanmon";
5062 static int proc_config_open( struct inode *inode, struct file *file ) {
5063 struct proc_data *data;
5064 struct proc_dir_entry *dp = PDE(inode);
5065 struct net_device *dev = dp->data;
5066 struct airo_info *ai = dev->priv;
5069 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5071 data = (struct proc_data *)file->private_data;
5072 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
5073 kfree (file->private_data);
5076 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
5077 kfree (data->rbuffer);
5078 kfree (file->private_data);
5081 data->maxwritelen = 2048;
5082 data->on_close = proc_config_on_close;
5084 readConfigRid(ai, 1);
5086 i = sprintf( data->rbuffer,
5091 "DataRates: %d %d %d %d %d %d %d %d\n"
5094 (ai->config.opmode & 0xFF) == 0 ? "adhoc" :
5095 (ai->config.opmode & 0xFF) == 1 ? get_rmode(ai->config.rmode):
5096 (ai->config.opmode & 0xFF) == 2 ? "AP" :
5097 (ai->config.opmode & 0xFF) == 3 ? "AP RPTR" : "Error",
5098 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on",
5099 ai->config.nodeName,
5100 ai->config.powerSaveMode == 0 ? "CAM" :
5101 ai->config.powerSaveMode == 1 ? "PSP" :
5102 ai->config.powerSaveMode == 2 ? "PSPCAM" : "Error",
5103 (int)ai->config.rates[0],
5104 (int)ai->config.rates[1],
5105 (int)ai->config.rates[2],
5106 (int)ai->config.rates[3],
5107 (int)ai->config.rates[4],
5108 (int)ai->config.rates[5],
5109 (int)ai->config.rates[6],
5110 (int)ai->config.rates[7],
5111 (int)ai->config.channelSet,
5112 (int)ai->config.txPower
5114 sprintf( data->rbuffer + i,
5115 "LongRetryLimit: %d\n"
5116 "ShortRetryLimit: %d\n"
5117 "RTSThreshold: %d\n"
5118 "TXMSDULifetime: %d\n"
5119 "RXMSDULifetime: %d\n"
5122 "FragThreshold: %d\n"
5126 (int)ai->config.longRetryLimit,
5127 (int)ai->config.shortRetryLimit,
5128 (int)ai->config.rtsThres,
5129 (int)ai->config.txLifetime,
5130 (int)ai->config.rxLifetime,
5131 ai->config.txDiversity == 1 ? "left" :
5132 ai->config.txDiversity == 2 ? "right" : "both",
5133 ai->config.rxDiversity == 1 ? "left" :
5134 ai->config.rxDiversity == 2 ? "right" : "both",
5135 (int)ai->config.fragThresh,
5136 ai->config.authType == AUTH_ENCRYPT ? "encrypt" :
5137 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open",
5138 ai->config.modulation == 0 ? "default" :
5139 ai->config.modulation == MOD_CCK ? "cck" :
5140 ai->config.modulation == MOD_MOK ? "mok" : "error",
5141 ai->config.preamble == PREAMBLE_AUTO ? "auto" :
5142 ai->config.preamble == PREAMBLE_LONG ? "long" :
5143 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error"
5145 data->readlen = strlen( data->rbuffer );
5149 static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
5150 struct proc_data *data = (struct proc_data *)file->private_data;
5151 struct proc_dir_entry *dp = PDE(inode);
5152 struct net_device *dev = dp->data;
5153 struct airo_info *ai = dev->priv;
5159 if ( !data->writelen ) return;
5161 memset( &SSID_rid, 0, sizeof( SSID_rid ) );
5163 for( i = 0; i < 3; i++ ) {
5165 for( j = 0; j+offset < data->writelen && j < 32 &&
5166 data->wbuffer[offset+j] != '\n'; j++ ) {
5167 SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
5169 if ( j == 0 ) break;
5170 SSID_rid.ssids[i].len = j;
5172 while( data->wbuffer[offset] != '\n' &&
5173 offset < data->writelen ) offset++;
5177 SSID_rid.len = sizeof(SSID_rid);
5179 writeSsidRid(ai, &SSID_rid, 1);
5180 enable_MAC(ai, &rsp, 1);
5183 static inline u8 hexVal(char c) {
5184 if (c>='0' && c<='9') return c -= '0';
5185 if (c>='a' && c<='f') return c -= 'a'-10;
5186 if (c>='A' && c<='F') return c -= 'A'-10;
5190 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
5191 struct proc_data *data = (struct proc_data *)file->private_data;
5192 struct proc_dir_entry *dp = PDE(inode);
5193 struct net_device *dev = dp->data;
5194 struct airo_info *ai = dev->priv;
5195 APListRid APList_rid;
5199 if ( !data->writelen ) return;
5201 memset( &APList_rid, 0, sizeof(APList_rid) );
5202 APList_rid.len = sizeof(APList_rid);
5204 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
5206 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
5209 APList_rid.ap[i][j/3]=
5210 hexVal(data->wbuffer[j+i*6*3])<<4;
5213 APList_rid.ap[i][j/3]|=
5214 hexVal(data->wbuffer[j+i*6*3]);
5220 writeAPListRid(ai, &APList_rid, 1);
5221 enable_MAC(ai, &rsp, 1);
5224 /* This function wraps PC4500_writerid with a MAC disable */
5225 static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
5226 int len, int dummy ) {
5231 rc = PC4500_writerid(ai, rid, rid_data, len, 1);
5232 enable_MAC(ai, &rsp, 1);
5236 /* Returns the length of the key at the index. If index == 0xffff
5237 * the index of the transmit key is returned. If the key doesn't exist,
5238 * -1 will be returned.
5240 static int get_wep_key(struct airo_info *ai, u16 index) {
5245 rc = readWepKeyRid(ai, &wkr, 1, 1);
5246 if (rc == SUCCESS) do {
5247 lastindex = wkr.kindex;
5248 if (wkr.kindex == index) {
5249 if (index == 0xffff) {
5254 readWepKeyRid(ai, &wkr, 0, 1);
5255 } while(lastindex != wkr.kindex);
5259 static int set_wep_key(struct airo_info *ai, u16 index,
5260 const char *key, u16 keylen, int perm, int lock ) {
5261 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
5265 memset(&wkr, 0, sizeof(wkr));
5267 // We are selecting which key to use
5268 wkr.len = sizeof(wkr);
5269 wkr.kindex = 0xffff;
5270 wkr.mac[0] = (char)index;
5271 if (perm) ai->defindex = (char)index;
5273 // We are actually setting the key
5274 wkr.len = sizeof(wkr);
5277 memcpy( wkr.key, key, keylen );
5278 memcpy( wkr.mac, macaddr, ETH_ALEN );
5281 if (perm) disable_MAC(ai, lock);
5282 writeWepKeyRid(ai, &wkr, perm, lock);
5283 if (perm) enable_MAC(ai, &rsp, lock);
5287 static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
5288 struct proc_data *data;
5289 struct proc_dir_entry *dp = PDE(inode);
5290 struct net_device *dev = dp->data;
5291 struct airo_info *ai = dev->priv;
5297 memset(key, 0, sizeof(key));
5299 data = (struct proc_data *)file->private_data;
5300 if ( !data->writelen ) return;
5302 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
5303 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) {
5304 index = data->wbuffer[0] - '0';
5305 if (data->wbuffer[1] == '\n') {
5306 set_wep_key(ai, index, NULL, 0, 1, 1);
5311 airo_print_err(ai->dev->name, "WepKey passed invalid key index");
5315 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
5318 key[i/3] = hexVal(data->wbuffer[i+j])<<4;
5321 key[i/3] |= hexVal(data->wbuffer[i+j]);
5325 set_wep_key(ai, index, key, i/3, 1, 1);
5328 static int proc_wepkey_open( struct inode *inode, struct file *file ) {
5329 struct proc_data *data;
5330 struct proc_dir_entry *dp = PDE(inode);
5331 struct net_device *dev = dp->data;
5332 struct airo_info *ai = dev->priv;
5339 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5341 memset(&wkr, 0, sizeof(wkr));
5342 data = (struct proc_data *)file->private_data;
5343 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
5344 kfree (file->private_data);
5348 data->maxwritelen = 80;
5349 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
5350 kfree (data->rbuffer);
5351 kfree (file->private_data);
5354 data->on_close = proc_wepkey_on_close;
5356 ptr = data->rbuffer;
5357 strcpy(ptr, "No wep keys\n");
5358 rc = readWepKeyRid(ai, &wkr, 1, 1);
5359 if (rc == SUCCESS) do {
5360 lastindex = wkr.kindex;
5361 if (wkr.kindex == 0xffff) {
5362 j += sprintf(ptr+j, "Tx key = %d\n",
5365 j += sprintf(ptr+j, "Key %d set with length = %d\n",
5366 (int)wkr.kindex, (int)wkr.klen);
5368 readWepKeyRid(ai, &wkr, 0, 1);
5369 } while((lastindex != wkr.kindex) && (j < 180-30));
5371 data->readlen = strlen( data->rbuffer );
5375 static int proc_SSID_open( struct inode *inode, struct file *file ) {
5376 struct proc_data *data;
5377 struct proc_dir_entry *dp = PDE(inode);
5378 struct net_device *dev = dp->data;
5379 struct airo_info *ai = dev->priv;
5384 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5386 data = (struct proc_data *)file->private_data;
5387 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5388 kfree (file->private_data);
5392 data->maxwritelen = 33*3;
5393 if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
5394 kfree (data->rbuffer);
5395 kfree (file->private_data);
5398 data->on_close = proc_SSID_on_close;
5400 readSsidRid(ai, &SSID_rid);
5401 ptr = data->rbuffer;
5402 for( i = 0; i < 3; i++ ) {
5404 if ( !SSID_rid.ssids[i].len ) break;
5405 for( j = 0; j < 32 &&
5406 j < SSID_rid.ssids[i].len &&
5407 SSID_rid.ssids[i].ssid[j]; j++ ) {
5408 *ptr++ = SSID_rid.ssids[i].ssid[j];
5413 data->readlen = strlen( data->rbuffer );
5417 static int proc_APList_open( struct inode *inode, struct file *file ) {
5418 struct proc_data *data;
5419 struct proc_dir_entry *dp = PDE(inode);
5420 struct net_device *dev = dp->data;
5421 struct airo_info *ai = dev->priv;
5424 APListRid APList_rid;
5426 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5428 data = (struct proc_data *)file->private_data;
5429 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
5430 kfree (file->private_data);
5434 data->maxwritelen = 4*6*3;
5435 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
5436 kfree (data->rbuffer);
5437 kfree (file->private_data);
5440 data->on_close = proc_APList_on_close;
5442 readAPListRid(ai, &APList_rid);
5443 ptr = data->rbuffer;
5444 for( i = 0; i < 4; i++ ) {
5445 // We end when we find a zero MAC
5446 if ( !*(int*)APList_rid.ap[i] &&
5447 !*(int*)&APList_rid.ap[i][2]) break;
5448 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
5449 (int)APList_rid.ap[i][0],
5450 (int)APList_rid.ap[i][1],
5451 (int)APList_rid.ap[i][2],
5452 (int)APList_rid.ap[i][3],
5453 (int)APList_rid.ap[i][4],
5454 (int)APList_rid.ap[i][5]);
5456 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
5459 data->readlen = strlen( data->rbuffer );
5463 static int proc_BSSList_open( struct inode *inode, struct file *file ) {
5464 struct proc_data *data;
5465 struct proc_dir_entry *dp = PDE(inode);
5466 struct net_device *dev = dp->data;
5467 struct airo_info *ai = dev->priv;
5469 BSSListRid BSSList_rid;
5471 /* If doLoseSync is not 1, we won't do a Lose Sync */
5472 int doLoseSync = -1;
5474 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
5476 data = (struct proc_data *)file->private_data;
5477 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
5478 kfree (file->private_data);
5482 data->maxwritelen = 0;
5483 data->wbuffer = NULL;
5484 data->on_close = NULL;
5486 if (file->f_mode & FMODE_WRITE) {
5487 if (!(file->f_mode & FMODE_READ)) {
5491 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
5492 memset(&cmd, 0, sizeof(cmd));
5493 cmd.cmd=CMD_LISTBSS;
5494 if (down_interruptible(&ai->sem))
5495 return -ERESTARTSYS;
5496 issuecommand(ai, &cmd, &rsp);
5503 ptr = data->rbuffer;
5504 /* There is a race condition here if there are concurrent opens.
5505 Since it is a rare condition, we'll just live with it, otherwise
5506 we have to add a spin lock... */
5507 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
5508 while(rc == 0 && BSSList_rid.index != 0xffff) {
5509 ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
5510 (int)BSSList_rid.bssid[0],
5511 (int)BSSList_rid.bssid[1],
5512 (int)BSSList_rid.bssid[2],
5513 (int)BSSList_rid.bssid[3],
5514 (int)BSSList_rid.bssid[4],
5515 (int)BSSList_rid.bssid[5],
5516 (int)BSSList_rid.ssidLen,
5518 (int)BSSList_rid.dBm);
5519 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
5520 (int)BSSList_rid.dsChannel,
5521 BSSList_rid.cap & CAP_ESS ? "ESS" : "",
5522 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
5523 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
5524 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
5525 rc = readBSSListRid(ai, 0, &BSSList_rid);
5528 data->readlen = strlen( data->rbuffer );
5532 static int proc_close( struct inode *inode, struct file *file )
5534 struct proc_data *data = file->private_data;
5536 if (data->on_close != NULL)
5537 data->on_close(inode, file);
5538 kfree(data->rbuffer);
5539 kfree(data->wbuffer);
5544 /* Since the card doesn't automatically switch to the right WEP mode,
5545 we will make it do it. If the card isn't associated, every secs we
5546 will switch WEP modes to see if that will help. If the card is
5547 associated we will check every minute to see if anything has
5549 static void timer_func( struct net_device *dev ) {
5550 struct airo_info *apriv = dev->priv;
5553 /* We don't have a link so try changing the authtype */
5554 readConfigRid(apriv, 0);
5555 disable_MAC(apriv, 0);
5556 switch(apriv->config.authType) {
5558 /* So drop to OPEN */
5559 apriv->config.authType = AUTH_OPEN;
5561 case AUTH_SHAREDKEY:
5562 if (apriv->keyindex < auto_wep) {
5563 set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0);
5564 apriv->config.authType = AUTH_SHAREDKEY;
5567 /* Drop to ENCRYPT */
5568 apriv->keyindex = 0;
5569 set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0);
5570 apriv->config.authType = AUTH_ENCRYPT;
5573 default: /* We'll escalate to SHAREDKEY */
5574 apriv->config.authType = AUTH_SHAREDKEY;
5576 set_bit (FLAG_COMMIT, &apriv->flags);
5577 writeConfigRid(apriv, 0);
5578 enable_MAC(apriv, &rsp, 0);
5581 /* Schedule check to see if the change worked */
5582 clear_bit(JOB_AUTOWEP, &apriv->jobs);
5583 apriv->expires = RUN_AT(HZ*3);
5587 static int __devinit airo_pci_probe(struct pci_dev *pdev,
5588 const struct pci_device_id *pent)
5590 struct net_device *dev;
5592 if (pci_enable_device(pdev))
5594 pci_set_master(pdev);
5596 if (pdev->device == 0x5000 || pdev->device == 0xa504)
5597 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
5599 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
5601 pci_disable_device(pdev);
5605 pci_set_drvdata(pdev, dev);
5609 static void __devexit airo_pci_remove(struct pci_dev *pdev)
5611 struct net_device *dev = pci_get_drvdata(pdev);
5613 airo_print_info(dev->name, "Unregistering...");
5614 stop_airo_card(dev, 1);
5615 pci_disable_device(pdev);
5616 pci_set_drvdata(pdev, NULL);
5619 static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
5621 struct net_device *dev = pci_get_drvdata(pdev);
5622 struct airo_info *ai = dev->priv;
5626 if ((ai->APList == NULL) &&
5627 (ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL)) == NULL)
5629 if ((ai->SSID == NULL) &&
5630 (ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL)) == NULL)
5632 readAPListRid(ai, ai->APList);
5633 readSsidRid(ai, ai->SSID);
5634 memset(&cmd, 0, sizeof(cmd));
5635 /* the lock will be released at the end of the resume callback */
5636 if (down_interruptible(&ai->sem))
5639 netif_device_detach(dev);
5642 issuecommand(ai, &cmd, &rsp);
5644 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
5645 pci_save_state(pdev);
5646 return pci_set_power_state(pdev, pci_choose_state(pdev, state));
5649 static int airo_pci_resume(struct pci_dev *pdev)
5651 struct net_device *dev = pci_get_drvdata(pdev);
5652 struct airo_info *ai = dev->priv;
5654 pci_power_t prev_state = pdev->current_state;
5656 pci_set_power_state(pdev, PCI_D0);
5657 pci_restore_state(pdev);
5658 pci_enable_wake(pdev, PCI_D0, 0);
5660 if (prev_state != PCI_D1) {
5662 mpi_init_descriptors(ai);
5663 setup_card(ai, dev->dev_addr, 0);
5664 clear_bit(FLAG_RADIO_OFF, &ai->flags);
5665 clear_bit(FLAG_PENDING_XMIT, &ai->flags);
5667 OUT4500(ai, EVACK, EV_AWAKEN);
5668 OUT4500(ai, EVACK, EV_AWAKEN);
5672 set_bit (FLAG_COMMIT, &ai->flags);
5676 writeSsidRid(ai, ai->SSID, 0);
5681 writeAPListRid(ai, ai->APList, 0);
5685 writeConfigRid(ai, 0);
5686 enable_MAC(ai, &rsp, 0);
5687 ai->power = PMSG_ON;
5688 netif_device_attach(dev);
5689 netif_wake_queue(dev);
5690 enable_interrupts(ai);
5696 static int __init airo_init_module( void )
5700 int have_isa_dev = 0;
5703 airo_entry = create_proc_entry("aironet",
5704 S_IFDIR | airo_perm,
5708 airo_entry->uid = proc_uid;
5709 airo_entry->gid = proc_gid;
5712 for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
5713 airo_print_info("", "Trying to configure ISA adapter at irq=%d "
5714 "io=0x%x", irq[i], io[i] );
5715 if (init_airo_card( irq[i], io[i], 0, NULL ))
5724 airo_print_info("", "Probing for PCI adapters");
5725 i = pci_register_driver(&airo_driver);
5726 airo_print_info("", "Finished probing for PCI adapters");
5729 remove_proc_entry("aironet", proc_root_driver);
5734 /* Always exit with success, as we are a library module
5735 * as well as a driver module
5740 static void __exit airo_cleanup_module( void )
5742 struct airo_info *ai;
5743 while(!list_empty(&airo_devices)) {
5744 ai = list_entry(airo_devices.next, struct airo_info, dev_list);
5745 airo_print_info(ai->dev->name, "Unregistering...");
5746 stop_airo_card(ai->dev, 1);
5749 pci_unregister_driver(&airo_driver);
5751 remove_proc_entry("aironet", proc_root_driver);
5755 * Initial Wireless Extension code for Aironet driver by :
5756 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
5757 * Conversion to new driver API by :
5758 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02
5759 * Javier also did a good amount of work here, adding some new extensions
5760 * and fixing my code. Let's just say that without him this code just
5761 * would not work at all... - Jean II
5764 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
5769 return (0x100 - rssi_rid[rssi].rssidBm);
5772 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
5779 for( i = 0; i < 256; i++ )
5780 if (rssi_rid[i].rssidBm == dbm)
5781 return rssi_rid[i].rssipct;
5787 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
5791 if ((status_rid->mode & 0x3f) == 0x3f && (cap_rid->hardCap & 8)) {
5792 if (memcmp(cap_rid->prodName, "350", 3))
5793 if (status_rid->signalQuality > 0x20)
5796 quality = 0x20 - status_rid->signalQuality;
5798 if (status_rid->signalQuality > 0xb0)
5800 else if (status_rid->signalQuality < 0x10)
5803 quality = 0xb0 - status_rid->signalQuality;
5808 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0)
5809 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50);
5811 /*------------------------------------------------------------------*/
5813 * Wireless Handler : get protocol name
5815 static int airo_get_name(struct net_device *dev,
5816 struct iw_request_info *info,
5820 strcpy(cwrq, "IEEE 802.11-DS");
5824 /*------------------------------------------------------------------*/
5826 * Wireless Handler : set frequency
5828 static int airo_set_freq(struct net_device *dev,
5829 struct iw_request_info *info,
5830 struct iw_freq *fwrq,
5833 struct airo_info *local = dev->priv;
5834 int rc = -EINPROGRESS; /* Call commit handler */
5836 /* If setting by frequency, convert to a channel */
5837 if((fwrq->e == 1) &&
5838 (fwrq->m >= (int) 2.412e8) &&
5839 (fwrq->m <= (int) 2.487e8)) {
5840 int f = fwrq->m / 100000;
5842 while((c < 14) && (f != frequency_list[c]))
5844 /* Hack to fall through... */
5848 /* Setting by channel number */
5849 if((fwrq->m > 1000) || (fwrq->e > 0))
5852 int channel = fwrq->m;
5853 /* We should do a better check than that,
5854 * based on the card capability !!! */
5855 if((channel < 1) || (channel > 14)) {
5856 airo_print_dbg(dev->name, "New channel value of %d is invalid!",
5860 readConfigRid(local, 1);
5861 /* Yes ! We can set it !!! */
5862 local->config.channelSet = (u16) channel;
5863 set_bit (FLAG_COMMIT, &local->flags);
5869 /*------------------------------------------------------------------*/
5871 * Wireless Handler : get frequency
5873 static int airo_get_freq(struct net_device *dev,
5874 struct iw_request_info *info,
5875 struct iw_freq *fwrq,
5878 struct airo_info *local = dev->priv;
5879 StatusRid status_rid; /* Card status info */
5882 readConfigRid(local, 1);
5883 if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
5884 status_rid.channel = local->config.channelSet;
5886 readStatusRid(local, &status_rid, 1);
5888 ch = (int)status_rid.channel;
5889 if((ch > 0) && (ch < 15)) {
5890 fwrq->m = frequency_list[ch - 1] * 100000;
5900 /*------------------------------------------------------------------*/
5902 * Wireless Handler : set ESSID
5904 static int airo_set_essid(struct net_device *dev,
5905 struct iw_request_info *info,
5906 struct iw_point *dwrq,
5909 struct airo_info *local = dev->priv;
5911 SsidRid SSID_rid; /* SSIDs */
5913 /* Reload the list of current SSID */
5914 readSsidRid(local, &SSID_rid);
5916 /* Check if we asked for `any' */
5917 if(dwrq->flags == 0) {
5918 /* Just send an empty SSID list */
5919 memset(&SSID_rid, 0, sizeof(SSID_rid));
5921 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
5923 /* Check the size of the string */
5924 if(dwrq->length > IW_ESSID_MAX_SIZE) {
5927 /* Check if index is valid */
5928 if((index < 0) || (index >= 4)) {
5933 memset(SSID_rid.ssids[index].ssid, 0,
5934 sizeof(SSID_rid.ssids[index].ssid));
5935 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length);
5936 SSID_rid.ssids[index].len = dwrq->length;
5938 SSID_rid.len = sizeof(SSID_rid);
5939 /* Write it to the card */
5940 disable_MAC(local, 1);
5941 writeSsidRid(local, &SSID_rid, 1);
5942 enable_MAC(local, &rsp, 1);
5947 /*------------------------------------------------------------------*/
5949 * Wireless Handler : get ESSID
5951 static int airo_get_essid(struct net_device *dev,
5952 struct iw_request_info *info,
5953 struct iw_point *dwrq,
5956 struct airo_info *local = dev->priv;
5957 StatusRid status_rid; /* Card status info */
5959 readStatusRid(local, &status_rid, 1);
5961 /* Note : if dwrq->flags != 0, we should
5962 * get the relevant SSID from the SSID list... */
5964 /* Get the current SSID */
5965 memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
5966 /* If none, we may want to get the one that was set */
5969 dwrq->length = status_rid.SSIDlen;
5970 dwrq->flags = 1; /* active */
5975 /*------------------------------------------------------------------*/
5977 * Wireless Handler : set AP address
5979 static int airo_set_wap(struct net_device *dev,
5980 struct iw_request_info *info,
5981 struct sockaddr *awrq,
5984 struct airo_info *local = dev->priv;
5987 APListRid APList_rid;
5988 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5989 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
5991 if (awrq->sa_family != ARPHRD_ETHER)
5993 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) ||
5994 !memcmp(off, awrq->sa_data, ETH_ALEN)) {
5995 memset(&cmd, 0, sizeof(cmd));
5996 cmd.cmd=CMD_LOSE_SYNC;
5997 if (down_interruptible(&local->sem))
5998 return -ERESTARTSYS;
5999 issuecommand(local, &cmd, &rsp);
6002 memset(&APList_rid, 0, sizeof(APList_rid));
6003 APList_rid.len = sizeof(APList_rid);
6004 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
6005 disable_MAC(local, 1);
6006 writeAPListRid(local, &APList_rid, 1);
6007 enable_MAC(local, &rsp, 1);
6012 /*------------------------------------------------------------------*/
6014 * Wireless Handler : get AP address
6016 static int airo_get_wap(struct net_device *dev,
6017 struct iw_request_info *info,
6018 struct sockaddr *awrq,
6021 struct airo_info *local = dev->priv;
6022 StatusRid status_rid; /* Card status info */
6024 readStatusRid(local, &status_rid, 1);
6026 /* Tentative. This seems to work, wow, I'm lucky !!! */
6027 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN);
6028 awrq->sa_family = ARPHRD_ETHER;
6033 /*------------------------------------------------------------------*/
6035 * Wireless Handler : set Nickname
6037 static int airo_set_nick(struct net_device *dev,
6038 struct iw_request_info *info,
6039 struct iw_point *dwrq,
6042 struct airo_info *local = dev->priv;
6044 /* Check the size of the string */
6045 if(dwrq->length > 16) {
6048 readConfigRid(local, 1);
6049 memset(local->config.nodeName, 0, sizeof(local->config.nodeName));
6050 memcpy(local->config.nodeName, extra, dwrq->length);
6051 set_bit (FLAG_COMMIT, &local->flags);
6053 return -EINPROGRESS; /* Call commit handler */
6056 /*------------------------------------------------------------------*/
6058 * Wireless Handler : get Nickname
6060 static int airo_get_nick(struct net_device *dev,
6061 struct iw_request_info *info,
6062 struct iw_point *dwrq,
6065 struct airo_info *local = dev->priv;
6067 readConfigRid(local, 1);
6068 strncpy(extra, local->config.nodeName, 16);
6070 dwrq->length = strlen(extra);
6075 /*------------------------------------------------------------------*/
6077 * Wireless Handler : set Bit-Rate
6079 static int airo_set_rate(struct net_device *dev,
6080 struct iw_request_info *info,
6081 struct iw_param *vwrq,
6084 struct airo_info *local = dev->priv;
6085 CapabilityRid cap_rid; /* Card capability info */
6089 /* First : get a valid bit rate value */
6090 readCapabilityRid(local, &cap_rid, 1);
6092 /* Which type of value ? */
6093 if((vwrq->value < 8) && (vwrq->value >= 0)) {
6094 /* Setting by rate index */
6095 /* Find value in the magic rate table */
6096 brate = cap_rid.supportedRates[vwrq->value];
6098 /* Setting by frequency value */
6099 u8 normvalue = (u8) (vwrq->value/500000);
6101 /* Check if rate is valid */
6102 for(i = 0 ; i < 8 ; i++) {
6103 if(normvalue == cap_rid.supportedRates[i]) {
6109 /* -1 designed the max rate (mostly auto mode) */
6110 if(vwrq->value == -1) {
6111 /* Get the highest available rate */
6112 for(i = 0 ; i < 8 ; i++) {
6113 if(cap_rid.supportedRates[i] == 0)
6117 brate = cap_rid.supportedRates[i - 1];
6119 /* Check that it is valid */
6124 readConfigRid(local, 1);
6125 /* Now, check if we want a fixed or auto value */
6126 if(vwrq->fixed == 0) {
6127 /* Fill all the rates up to this max rate */
6128 memset(local->config.rates, 0, 8);
6129 for(i = 0 ; i < 8 ; i++) {
6130 local->config.rates[i] = cap_rid.supportedRates[i];
6131 if(local->config.rates[i] == brate)
6136 /* One rate, fixed */
6137 memset(local->config.rates, 0, 8);
6138 local->config.rates[0] = brate;
6140 set_bit (FLAG_COMMIT, &local->flags);
6142 return -EINPROGRESS; /* Call commit handler */
6145 /*------------------------------------------------------------------*/
6147 * Wireless Handler : get Bit-Rate
6149 static int airo_get_rate(struct net_device *dev,
6150 struct iw_request_info *info,
6151 struct iw_param *vwrq,
6154 struct airo_info *local = dev->priv;
6155 StatusRid status_rid; /* Card status info */
6157 readStatusRid(local, &status_rid, 1);
6159 vwrq->value = status_rid.currentXmitRate * 500000;
6160 /* If more than one rate, set auto */
6161 readConfigRid(local, 1);
6162 vwrq->fixed = (local->config.rates[1] == 0);
6167 /*------------------------------------------------------------------*/
6169 * Wireless Handler : set RTS threshold
6171 static int airo_set_rts(struct net_device *dev,
6172 struct iw_request_info *info,
6173 struct iw_param *vwrq,
6176 struct airo_info *local = dev->priv;
6177 int rthr = vwrq->value;
6180 rthr = AIRO_DEF_MTU;
6181 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
6184 readConfigRid(local, 1);
6185 local->config.rtsThres = rthr;
6186 set_bit (FLAG_COMMIT, &local->flags);
6188 return -EINPROGRESS; /* Call commit handler */
6191 /*------------------------------------------------------------------*/
6193 * Wireless Handler : get RTS threshold
6195 static int airo_get_rts(struct net_device *dev,
6196 struct iw_request_info *info,
6197 struct iw_param *vwrq,
6200 struct airo_info *local = dev->priv;
6202 readConfigRid(local, 1);
6203 vwrq->value = local->config.rtsThres;
6204 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6210 /*------------------------------------------------------------------*/
6212 * Wireless Handler : set Fragmentation threshold
6214 static int airo_set_frag(struct net_device *dev,
6215 struct iw_request_info *info,
6216 struct iw_param *vwrq,
6219 struct airo_info *local = dev->priv;
6220 int fthr = vwrq->value;
6223 fthr = AIRO_DEF_MTU;
6224 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
6227 fthr &= ~0x1; /* Get an even value - is it really needed ??? */
6228 readConfigRid(local, 1);
6229 local->config.fragThresh = (u16)fthr;
6230 set_bit (FLAG_COMMIT, &local->flags);
6232 return -EINPROGRESS; /* Call commit handler */
6235 /*------------------------------------------------------------------*/
6237 * Wireless Handler : get Fragmentation threshold
6239 static int airo_get_frag(struct net_device *dev,
6240 struct iw_request_info *info,
6241 struct iw_param *vwrq,
6244 struct airo_info *local = dev->priv;
6246 readConfigRid(local, 1);
6247 vwrq->value = local->config.fragThresh;
6248 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
6254 /*------------------------------------------------------------------*/
6256 * Wireless Handler : set Mode of Operation
6258 static int airo_set_mode(struct net_device *dev,
6259 struct iw_request_info *info,
6263 struct airo_info *local = dev->priv;
6266 readConfigRid(local, 1);
6267 if ((local->config.rmode & 0xff) >= RXMODE_RFMON)
6272 local->config.opmode &= 0xFF00;
6273 local->config.opmode |= MODE_STA_IBSS;
6274 local->config.rmode &= 0xfe00;
6275 local->config.scanMode = SCANMODE_ACTIVE;
6276 clear_bit (FLAG_802_11, &local->flags);
6279 local->config.opmode &= 0xFF00;
6280 local->config.opmode |= MODE_STA_ESS;
6281 local->config.rmode &= 0xfe00;
6282 local->config.scanMode = SCANMODE_ACTIVE;
6283 clear_bit (FLAG_802_11, &local->flags);
6285 case IW_MODE_MASTER:
6286 local->config.opmode &= 0xFF00;
6287 local->config.opmode |= MODE_AP;
6288 local->config.rmode &= 0xfe00;
6289 local->config.scanMode = SCANMODE_ACTIVE;
6290 clear_bit (FLAG_802_11, &local->flags);
6292 case IW_MODE_REPEAT:
6293 local->config.opmode &= 0xFF00;
6294 local->config.opmode |= MODE_AP_RPTR;
6295 local->config.rmode &= 0xfe00;
6296 local->config.scanMode = SCANMODE_ACTIVE;
6297 clear_bit (FLAG_802_11, &local->flags);
6299 case IW_MODE_MONITOR:
6300 local->config.opmode &= 0xFF00;
6301 local->config.opmode |= MODE_STA_ESS;
6302 local->config.rmode &= 0xfe00;
6303 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
6304 local->config.scanMode = SCANMODE_PASSIVE;
6305 set_bit (FLAG_802_11, &local->flags);
6311 set_bit (FLAG_RESET, &local->flags);
6312 set_bit (FLAG_COMMIT, &local->flags);
6314 return -EINPROGRESS; /* Call commit handler */
6317 /*------------------------------------------------------------------*/
6319 * Wireless Handler : get Mode of Operation
6321 static int airo_get_mode(struct net_device *dev,
6322 struct iw_request_info *info,
6326 struct airo_info *local = dev->priv;
6328 readConfigRid(local, 1);
6329 /* If not managed, assume it's ad-hoc */
6330 switch (local->config.opmode & 0xFF) {
6332 *uwrq = IW_MODE_INFRA;
6335 *uwrq = IW_MODE_MASTER;
6338 *uwrq = IW_MODE_REPEAT;
6341 *uwrq = IW_MODE_ADHOC;
6347 /*------------------------------------------------------------------*/
6349 * Wireless Handler : set Encryption Key
6351 static int airo_set_encode(struct net_device *dev,
6352 struct iw_request_info *info,
6353 struct iw_point *dwrq,
6356 struct airo_info *local = dev->priv;
6357 CapabilityRid cap_rid; /* Card capability info */
6358 int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 );
6359 u16 currentAuthType = local->config.authType;
6361 /* Is WEP supported ? */
6362 readCapabilityRid(local, &cap_rid, 1);
6363 /* Older firmware doesn't support this...
6364 if(!(cap_rid.softCap & 2)) {
6367 readConfigRid(local, 1);
6369 /* Basic checking: do we have a key to set ?
6370 * Note : with the new API, it's impossible to get a NULL pointer.
6371 * Therefore, we need to check a key size == 0 instead.
6372 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag
6373 * when no key is present (only change flags), but older versions
6374 * don't do it. - Jean II */
6375 if (dwrq->length > 0) {
6377 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6378 int current_index = get_wep_key(local, 0xffff);
6379 /* Check the size of the key */
6380 if (dwrq->length > MAX_KEY_SIZE) {
6383 /* Check the index (none -> use current) */
6384 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4:1)))
6385 index = current_index;
6386 /* Set the length */
6387 if (dwrq->length > MIN_KEY_SIZE)
6388 key.len = MAX_KEY_SIZE;
6390 if (dwrq->length > 0)
6391 key.len = MIN_KEY_SIZE;
6393 /* Disable the key */
6395 /* Check if the key is not marked as invalid */
6396 if(!(dwrq->flags & IW_ENCODE_NOKEY)) {
6398 memset(key.key, 0, MAX_KEY_SIZE);
6399 /* Copy the key in the driver */
6400 memcpy(key.key, extra, dwrq->length);
6401 /* Send the key to the card */
6402 set_wep_key(local, index, key.key, key.len, perm, 1);
6404 /* WE specify that if a valid key is set, encryption
6405 * should be enabled (user may turn it off later)
6406 * This is also how "iwconfig ethX key on" works */
6407 if((index == current_index) && (key.len > 0) &&
6408 (local->config.authType == AUTH_OPEN)) {
6409 local->config.authType = AUTH_ENCRYPT;
6412 /* Do we want to just set the transmit key index ? */
6413 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6414 if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) {
6415 set_wep_key(local, index, NULL, 0, perm, 1);
6417 /* Don't complain if only change the mode */
6418 if(!dwrq->flags & IW_ENCODE_MODE) {
6422 /* Read the flags */
6423 if(dwrq->flags & IW_ENCODE_DISABLED)
6424 local->config.authType = AUTH_OPEN; // disable encryption
6425 if(dwrq->flags & IW_ENCODE_RESTRICTED)
6426 local->config.authType = AUTH_SHAREDKEY; // Only Both
6427 if(dwrq->flags & IW_ENCODE_OPEN)
6428 local->config.authType = AUTH_ENCRYPT; // Only Wep
6429 /* Commit the changes to flags if needed */
6430 if (local->config.authType != currentAuthType)
6431 set_bit (FLAG_COMMIT, &local->flags);
6432 return -EINPROGRESS; /* Call commit handler */
6435 /*------------------------------------------------------------------*/
6437 * Wireless Handler : get Encryption Key
6439 static int airo_get_encode(struct net_device *dev,
6440 struct iw_request_info *info,
6441 struct iw_point *dwrq,
6444 struct airo_info *local = dev->priv;
6445 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
6446 CapabilityRid cap_rid; /* Card capability info */
6448 /* Is it supported ? */
6449 readCapabilityRid(local, &cap_rid, 1);
6450 if(!(cap_rid.softCap & 2)) {
6453 readConfigRid(local, 1);
6454 /* Check encryption mode */
6455 switch(local->config.authType) {
6457 dwrq->flags = IW_ENCODE_OPEN;
6459 case AUTH_SHAREDKEY:
6460 dwrq->flags = IW_ENCODE_RESTRICTED;
6464 dwrq->flags = IW_ENCODE_DISABLED;
6467 /* We can't return the key, so set the proper flag and return zero */
6468 dwrq->flags |= IW_ENCODE_NOKEY;
6469 memset(extra, 0, 16);
6471 /* Which key do we want ? -1 -> tx index */
6472 if ((index < 0) || (index >= ((cap_rid.softCap & 0x80) ? 4 : 1)))
6473 index = get_wep_key(local, 0xffff);
6474 dwrq->flags |= index + 1;
6475 /* Copy the key to the user buffer */
6476 dwrq->length = get_wep_key(local, index);
6477 if (dwrq->length > 16) {
6483 /*------------------------------------------------------------------*/
6485 * Wireless Handler : set extended Encryption parameters
6487 static int airo_set_encodeext(struct net_device *dev,
6488 struct iw_request_info *info,
6489 union iwreq_data *wrqu,
6492 struct airo_info *local = dev->priv;
6493 struct iw_point *encoding = &wrqu->encoding;
6494 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6495 CapabilityRid cap_rid; /* Card capability info */
6496 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 );
6497 u16 currentAuthType = local->config.authType;
6498 int idx, key_len, alg = ext->alg, set_key = 1;
6501 /* Is WEP supported ? */
6502 readCapabilityRid(local, &cap_rid, 1);
6503 /* Older firmware doesn't support this...
6504 if(!(cap_rid.softCap & 2)) {
6507 readConfigRid(local, 1);
6509 /* Determine and validate the key index */
6510 idx = encoding->flags & IW_ENCODE_INDEX;
6512 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6516 idx = get_wep_key(local, 0xffff);
6518 if (encoding->flags & IW_ENCODE_DISABLED)
6519 alg = IW_ENCODE_ALG_NONE;
6521 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
6522 /* Only set transmit key index here, actual
6523 * key is set below if needed.
6525 set_wep_key(local, idx, NULL, 0, perm, 1);
6526 set_key = ext->key_len > 0 ? 1 : 0;
6530 /* Set the requested key first */
6531 memset(key.key, 0, MAX_KEY_SIZE);
6533 case IW_ENCODE_ALG_NONE:
6536 case IW_ENCODE_ALG_WEP:
6537 if (ext->key_len > MIN_KEY_SIZE) {
6538 key.len = MAX_KEY_SIZE;
6539 } else if (ext->key_len > 0) {
6540 key.len = MIN_KEY_SIZE;
6544 key_len = min (ext->key_len, key.len);
6545 memcpy(key.key, ext->key, key_len);
6550 /* Send the key to the card */
6551 set_wep_key(local, idx, key.key, key.len, perm, 1);
6554 /* Read the flags */
6555 if(encoding->flags & IW_ENCODE_DISABLED)
6556 local->config.authType = AUTH_OPEN; // disable encryption
6557 if(encoding->flags & IW_ENCODE_RESTRICTED)
6558 local->config.authType = AUTH_SHAREDKEY; // Only Both
6559 if(encoding->flags & IW_ENCODE_OPEN)
6560 local->config.authType = AUTH_ENCRYPT; // Only Wep
6561 /* Commit the changes to flags if needed */
6562 if (local->config.authType != currentAuthType)
6563 set_bit (FLAG_COMMIT, &local->flags);
6565 return -EINPROGRESS;
6569 /*------------------------------------------------------------------*/
6571 * Wireless Handler : get extended Encryption parameters
6573 static int airo_get_encodeext(struct net_device *dev,
6574 struct iw_request_info *info,
6575 union iwreq_data *wrqu,
6578 struct airo_info *local = dev->priv;
6579 struct iw_point *encoding = &wrqu->encoding;
6580 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6581 CapabilityRid cap_rid; /* Card capability info */
6582 int idx, max_key_len;
6584 /* Is it supported ? */
6585 readCapabilityRid(local, &cap_rid, 1);
6586 if(!(cap_rid.softCap & 2)) {
6589 readConfigRid(local, 1);
6591 max_key_len = encoding->length - sizeof(*ext);
6592 if (max_key_len < 0)
6595 idx = encoding->flags & IW_ENCODE_INDEX;
6597 if (idx < 1 || idx > ((cap_rid.softCap & 0x80) ? 4:1))
6601 idx = get_wep_key(local, 0xffff);
6603 encoding->flags = idx + 1;
6604 memset(ext, 0, sizeof(*ext));
6606 /* Check encryption mode */
6607 switch(local->config.authType) {
6609 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6611 case AUTH_SHAREDKEY:
6612 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED;
6616 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED;
6619 /* We can't return the key, so set the proper flag and return zero */
6620 encoding->flags |= IW_ENCODE_NOKEY;
6621 memset(extra, 0, 16);
6623 /* Copy the key to the user buffer */
6624 ext->key_len = get_wep_key(local, idx);
6625 if (ext->key_len > 16) {
6633 /*------------------------------------------------------------------*/
6635 * Wireless Handler : set extended authentication parameters
6637 static int airo_set_auth(struct net_device *dev,
6638 struct iw_request_info *info,
6639 union iwreq_data *wrqu, char *extra)
6641 struct airo_info *local = dev->priv;
6642 struct iw_param *param = &wrqu->param;
6643 u16 currentAuthType = local->config.authType;
6645 switch (param->flags & IW_AUTH_INDEX) {
6646 case IW_AUTH_WPA_VERSION:
6647 case IW_AUTH_CIPHER_PAIRWISE:
6648 case IW_AUTH_CIPHER_GROUP:
6649 case IW_AUTH_KEY_MGMT:
6650 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6651 case IW_AUTH_PRIVACY_INVOKED:
6653 * airo does not use these parameters
6657 case IW_AUTH_DROP_UNENCRYPTED:
6659 /* Only change auth type if unencrypted */
6660 if (currentAuthType == AUTH_OPEN)
6661 local->config.authType = AUTH_ENCRYPT;
6663 local->config.authType = AUTH_OPEN;
6666 /* Commit the changes to flags if needed */
6667 if (local->config.authType != currentAuthType)
6668 set_bit (FLAG_COMMIT, &local->flags);
6671 case IW_AUTH_80211_AUTH_ALG: {
6672 /* FIXME: What about AUTH_OPEN? This API seems to
6673 * disallow setting our auth to AUTH_OPEN.
6675 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
6676 local->config.authType = AUTH_SHAREDKEY;
6677 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6678 local->config.authType = AUTH_ENCRYPT;
6683 /* Commit the changes to flags if needed */
6684 if (local->config.authType != currentAuthType)
6685 set_bit (FLAG_COMMIT, &local->flags);
6688 case IW_AUTH_WPA_ENABLED:
6689 /* Silently accept disable of WPA */
6690 if (param->value > 0)
6697 return -EINPROGRESS;
6701 /*------------------------------------------------------------------*/
6703 * Wireless Handler : get extended authentication parameters
6705 static int airo_get_auth(struct net_device *dev,
6706 struct iw_request_info *info,
6707 union iwreq_data *wrqu, char *extra)
6709 struct airo_info *local = dev->priv;
6710 struct iw_param *param = &wrqu->param;
6711 u16 currentAuthType = local->config.authType;
6713 switch (param->flags & IW_AUTH_INDEX) {
6714 case IW_AUTH_DROP_UNENCRYPTED:
6715 switch (currentAuthType) {
6716 case AUTH_SHAREDKEY:
6726 case IW_AUTH_80211_AUTH_ALG:
6727 switch (currentAuthType) {
6728 case AUTH_SHAREDKEY:
6729 param->value = IW_AUTH_ALG_SHARED_KEY;
6733 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
6738 case IW_AUTH_WPA_ENABLED:
6749 /*------------------------------------------------------------------*/
6751 * Wireless Handler : set Tx-Power
6753 static int airo_set_txpow(struct net_device *dev,
6754 struct iw_request_info *info,
6755 struct iw_param *vwrq,
6758 struct airo_info *local = dev->priv;
6759 CapabilityRid cap_rid; /* Card capability info */
6763 readCapabilityRid(local, &cap_rid, 1);
6765 if (vwrq->disabled) {
6766 set_bit (FLAG_RADIO_OFF, &local->flags);
6767 set_bit (FLAG_COMMIT, &local->flags);
6768 return -EINPROGRESS; /* Call commit handler */
6770 if (vwrq->flags != IW_TXPOW_MWATT) {
6773 clear_bit (FLAG_RADIO_OFF, &local->flags);
6774 for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
6775 if ((vwrq->value==cap_rid.txPowerLevels[i])) {
6776 readConfigRid(local, 1);
6777 local->config.txPower = vwrq->value;
6778 set_bit (FLAG_COMMIT, &local->flags);
6779 rc = -EINPROGRESS; /* Call commit handler */
6785 /*------------------------------------------------------------------*/
6787 * Wireless Handler : get Tx-Power
6789 static int airo_get_txpow(struct net_device *dev,
6790 struct iw_request_info *info,
6791 struct iw_param *vwrq,
6794 struct airo_info *local = dev->priv;
6796 readConfigRid(local, 1);
6797 vwrq->value = local->config.txPower;
6798 vwrq->fixed = 1; /* No power control */
6799 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags);
6800 vwrq->flags = IW_TXPOW_MWATT;
6805 /*------------------------------------------------------------------*/
6807 * Wireless Handler : set Retry limits
6809 static int airo_set_retry(struct net_device *dev,
6810 struct iw_request_info *info,
6811 struct iw_param *vwrq,
6814 struct airo_info *local = dev->priv;
6817 if(vwrq->disabled) {
6820 readConfigRid(local, 1);
6821 if(vwrq->flags & IW_RETRY_LIMIT) {
6822 if(vwrq->flags & IW_RETRY_LONG)
6823 local->config.longRetryLimit = vwrq->value;
6824 else if (vwrq->flags & IW_RETRY_SHORT)
6825 local->config.shortRetryLimit = vwrq->value;
6827 /* No modifier : set both */
6828 local->config.longRetryLimit = vwrq->value;
6829 local->config.shortRetryLimit = vwrq->value;
6831 set_bit (FLAG_COMMIT, &local->flags);
6832 rc = -EINPROGRESS; /* Call commit handler */
6834 if(vwrq->flags & IW_RETRY_LIFETIME) {
6835 local->config.txLifetime = vwrq->value / 1024;
6836 set_bit (FLAG_COMMIT, &local->flags);
6837 rc = -EINPROGRESS; /* Call commit handler */
6842 /*------------------------------------------------------------------*/
6844 * Wireless Handler : get Retry limits
6846 static int airo_get_retry(struct net_device *dev,
6847 struct iw_request_info *info,
6848 struct iw_param *vwrq,
6851 struct airo_info *local = dev->priv;
6853 vwrq->disabled = 0; /* Can't be disabled */
6855 readConfigRid(local, 1);
6856 /* Note : by default, display the min retry number */
6857 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
6858 vwrq->flags = IW_RETRY_LIFETIME;
6859 vwrq->value = (int)local->config.txLifetime * 1024;
6860 } else if((vwrq->flags & IW_RETRY_LONG)) {
6861 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
6862 vwrq->value = (int)local->config.longRetryLimit;
6864 vwrq->flags = IW_RETRY_LIMIT;
6865 vwrq->value = (int)local->config.shortRetryLimit;
6866 if((int)local->config.shortRetryLimit != (int)local->config.longRetryLimit)
6867 vwrq->flags |= IW_RETRY_SHORT;
6873 /*------------------------------------------------------------------*/
6875 * Wireless Handler : get range info
6877 static int airo_get_range(struct net_device *dev,
6878 struct iw_request_info *info,
6879 struct iw_point *dwrq,
6882 struct airo_info *local = dev->priv;
6883 struct iw_range *range = (struct iw_range *) extra;
6884 CapabilityRid cap_rid; /* Card capability info */
6888 readCapabilityRid(local, &cap_rid, 1);
6890 dwrq->length = sizeof(struct iw_range);
6891 memset(range, 0, sizeof(*range));
6892 range->min_nwid = 0x0000;
6893 range->max_nwid = 0x0000;
6894 range->num_channels = 14;
6895 /* Should be based on cap_rid.country to give only
6896 * what the current card support */
6898 for(i = 0; i < 14; i++) {
6899 range->freq[k].i = i + 1; /* List index */
6900 range->freq[k].m = frequency_list[i] * 100000;
6901 range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
6903 range->num_frequency = k;
6905 range->sensitivity = 65535;
6907 /* Hum... Should put the right values there */
6909 range->max_qual.qual = 100; /* % */
6911 range->max_qual.qual = airo_get_max_quality(&cap_rid);
6912 range->max_qual.level = 0x100 - 120; /* -120 dBm */
6913 range->max_qual.noise = 0x100 - 120; /* -120 dBm */
6915 /* Experimental measurements - boundary 11/5.5 Mb/s */
6916 /* Note : with or without the (local->rssi), results
6917 * are somewhat different. - Jean II */
6919 range->avg_qual.qual = 50; /* % */
6920 range->avg_qual.level = 0x100 - 70; /* -70 dBm */
6922 range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
6923 range->avg_qual.level = 0x100 - 80; /* -80 dBm */
6925 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */
6927 for(i = 0 ; i < 8 ; i++) {
6928 range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
6929 if(range->bitrate[i] == 0)
6932 range->num_bitrates = i;
6934 /* Set an indication of the max TCP throughput
6935 * in bit/s that we can expect using this interface.
6936 * May be use for QoS stuff... Jean II */
6938 range->throughput = 5000 * 1000;
6940 range->throughput = 1500 * 1000;
6943 range->max_rts = AIRO_DEF_MTU;
6944 range->min_frag = 256;
6945 range->max_frag = AIRO_DEF_MTU;
6947 if(cap_rid.softCap & 2) {
6949 range->encoding_size[0] = 5;
6951 if (cap_rid.softCap & 0x100) {
6952 range->encoding_size[1] = 13;
6953 range->num_encoding_sizes = 2;
6955 range->num_encoding_sizes = 1;
6956 range->max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
6958 range->num_encoding_sizes = 0;
6959 range->max_encoding_tokens = 0;
6962 range->max_pmp = 5000000; /* 5 secs */
6964 range->max_pmt = 65535 * 1024; /* ??? */
6965 range->pmp_flags = IW_POWER_PERIOD;
6966 range->pmt_flags = IW_POWER_TIMEOUT;
6967 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
6969 /* Transmit Power - values are in mW */
6970 for(i = 0 ; i < 8 ; i++) {
6971 range->txpower[i] = cap_rid.txPowerLevels[i];
6972 if(range->txpower[i] == 0)
6975 range->num_txpower = i;
6976 range->txpower_capa = IW_TXPOW_MWATT;
6977 range->we_version_source = 19;
6978 range->we_version_compiled = WIRELESS_EXT;
6979 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
6980 range->retry_flags = IW_RETRY_LIMIT;
6981 range->r_time_flags = IW_RETRY_LIFETIME;
6982 range->min_retry = 1;
6983 range->max_retry = 65535;
6984 range->min_r_time = 1024;
6985 range->max_r_time = 65535 * 1024;
6987 /* Event capability (kernel + driver) */
6988 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6989 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
6990 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
6991 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
6992 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6993 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP);
6997 /*------------------------------------------------------------------*/
6999 * Wireless Handler : set Power Management
7001 static int airo_set_power(struct net_device *dev,
7002 struct iw_request_info *info,
7003 struct iw_param *vwrq,
7006 struct airo_info *local = dev->priv;
7008 readConfigRid(local, 1);
7009 if (vwrq->disabled) {
7010 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7013 local->config.powerSaveMode = POWERSAVE_CAM;
7014 local->config.rmode &= 0xFF00;
7015 local->config.rmode |= RXMODE_BC_MC_ADDR;
7016 set_bit (FLAG_COMMIT, &local->flags);
7017 return -EINPROGRESS; /* Call commit handler */
7019 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7020 local->config.fastListenDelay = (vwrq->value + 500) / 1024;
7021 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7022 set_bit (FLAG_COMMIT, &local->flags);
7023 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
7024 local->config.fastListenInterval = local->config.listenInterval = (vwrq->value + 500) / 1024;
7025 local->config.powerSaveMode = POWERSAVE_PSPCAM;
7026 set_bit (FLAG_COMMIT, &local->flags);
7028 switch (vwrq->flags & IW_POWER_MODE) {
7029 case IW_POWER_UNICAST_R:
7030 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7033 local->config.rmode &= 0xFF00;
7034 local->config.rmode |= RXMODE_ADDR;
7035 set_bit (FLAG_COMMIT, &local->flags);
7037 case IW_POWER_ALL_R:
7038 if ((local->config.rmode & 0xFF) >= RXMODE_RFMON) {
7041 local->config.rmode &= 0xFF00;
7042 local->config.rmode |= RXMODE_BC_MC_ADDR;
7043 set_bit (FLAG_COMMIT, &local->flags);
7045 /* This is broken, fixme ;-) */
7050 // Note : we may want to factor local->need_commit here
7051 // Note2 : may also want to factor RXMODE_RFMON test
7052 return -EINPROGRESS; /* Call commit handler */
7055 /*------------------------------------------------------------------*/
7057 * Wireless Handler : get Power Management
7059 static int airo_get_power(struct net_device *dev,
7060 struct iw_request_info *info,
7061 struct iw_param *vwrq,
7064 struct airo_info *local = dev->priv;
7067 readConfigRid(local, 1);
7068 mode = local->config.powerSaveMode;
7069 if ((vwrq->disabled = (mode == POWERSAVE_CAM)))
7071 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
7072 vwrq->value = (int)local->config.fastListenDelay * 1024;
7073 vwrq->flags = IW_POWER_TIMEOUT;
7075 vwrq->value = (int)local->config.fastListenInterval * 1024;
7076 vwrq->flags = IW_POWER_PERIOD;
7078 if ((local->config.rmode & 0xFF) == RXMODE_ADDR)
7079 vwrq->flags |= IW_POWER_UNICAST_R;
7081 vwrq->flags |= IW_POWER_ALL_R;
7086 /*------------------------------------------------------------------*/
7088 * Wireless Handler : set Sensitivity
7090 static int airo_set_sens(struct net_device *dev,
7091 struct iw_request_info *info,
7092 struct iw_param *vwrq,
7095 struct airo_info *local = dev->priv;
7097 readConfigRid(local, 1);
7098 local->config.rssiThreshold = vwrq->disabled ? RSSI_DEFAULT : vwrq->value;
7099 set_bit (FLAG_COMMIT, &local->flags);
7101 return -EINPROGRESS; /* Call commit handler */
7104 /*------------------------------------------------------------------*/
7106 * Wireless Handler : get Sensitivity
7108 static int airo_get_sens(struct net_device *dev,
7109 struct iw_request_info *info,
7110 struct iw_param *vwrq,
7113 struct airo_info *local = dev->priv;
7115 readConfigRid(local, 1);
7116 vwrq->value = local->config.rssiThreshold;
7117 vwrq->disabled = (vwrq->value == 0);
7123 /*------------------------------------------------------------------*/
7125 * Wireless Handler : get AP List
7126 * Note : this is deprecated in favor of IWSCAN
7128 static int airo_get_aplist(struct net_device *dev,
7129 struct iw_request_info *info,
7130 struct iw_point *dwrq,
7133 struct airo_info *local = dev->priv;
7134 struct sockaddr *address = (struct sockaddr *) extra;
7135 struct iw_quality qual[IW_MAX_AP];
7138 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
7140 for (i = 0; i < IW_MAX_AP; i++) {
7141 if (readBSSListRid(local, loseSync, &BSSList))
7144 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
7145 address[i].sa_family = ARPHRD_ETHER;
7147 qual[i].level = 0x100 - BSSList.dBm;
7148 qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
7149 qual[i].updated = IW_QUAL_QUAL_UPDATED
7150 | IW_QUAL_LEVEL_UPDATED
7153 qual[i].level = (BSSList.dBm + 321) / 2;
7155 qual[i].updated = IW_QUAL_QUAL_INVALID
7156 | IW_QUAL_LEVEL_UPDATED
7159 qual[i].noise = local->wstats.qual.noise;
7160 if (BSSList.index == 0xffff)
7164 StatusRid status_rid; /* Card status info */
7165 readStatusRid(local, &status_rid, 1);
7167 i < min(IW_MAX_AP, 4) &&
7168 (status_rid.bssid[i][0]
7169 & status_rid.bssid[i][1]
7170 & status_rid.bssid[i][2]
7171 & status_rid.bssid[i][3]
7172 & status_rid.bssid[i][4]
7173 & status_rid.bssid[i][5])!=0xff &&
7174 (status_rid.bssid[i][0]
7175 | status_rid.bssid[i][1]
7176 | status_rid.bssid[i][2]
7177 | status_rid.bssid[i][3]
7178 | status_rid.bssid[i][4]
7179 | status_rid.bssid[i][5]);
7181 memcpy(address[i].sa_data,
7182 status_rid.bssid[i], ETH_ALEN);
7183 address[i].sa_family = ARPHRD_ETHER;
7186 dwrq->flags = 1; /* Should be define'd */
7187 memcpy(extra + sizeof(struct sockaddr)*i,
7188 &qual, sizeof(struct iw_quality)*i);
7195 /*------------------------------------------------------------------*/
7197 * Wireless Handler : Initiate Scan
7199 static int airo_set_scan(struct net_device *dev,
7200 struct iw_request_info *info,
7201 struct iw_param *vwrq,
7204 struct airo_info *ai = dev->priv;
7209 /* Note : you may have realised that, as this is a SET operation,
7210 * this is privileged and therefore a normal user can't
7212 * This is not an error, while the device perform scanning,
7213 * traffic doesn't flow, so it's a perfect DoS...
7215 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
7217 if (down_interruptible(&ai->sem))
7218 return -ERESTARTSYS;
7220 /* If there's already a scan in progress, don't
7221 * trigger another one. */
7222 if (ai->scan_timeout > 0)
7225 /* Initiate a scan command */
7226 ai->scan_timeout = RUN_AT(3*HZ);
7227 memset(&cmd, 0, sizeof(cmd));
7228 cmd.cmd=CMD_LISTBSS;
7229 issuecommand(ai, &cmd, &rsp);
7235 wake_up_interruptible(&ai->thr_wait);
7239 /*------------------------------------------------------------------*/
7241 * Translate scan data returned from the card to a card independent
7242 * format that the Wireless Tools will understand - Jean II
7244 static inline char *airo_translate_scan(struct net_device *dev,
7249 struct airo_info *ai = dev->priv;
7250 struct iw_event iwe; /* Temporary buffer */
7252 char * current_val; /* For rates */
7256 /* First entry *MUST* be the AP MAC address */
7257 iwe.cmd = SIOCGIWAP;
7258 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
7259 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
7260 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
7262 /* Other entries will be displayed in the order we give them */
7265 iwe.u.data.length = bss->ssidLen;
7266 if(iwe.u.data.length > 32)
7267 iwe.u.data.length = 32;
7268 iwe.cmd = SIOCGIWESSID;
7269 iwe.u.data.flags = 1;
7270 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7273 iwe.cmd = SIOCGIWMODE;
7274 capabilities = le16_to_cpu(bss->cap);
7275 if(capabilities & (CAP_ESS | CAP_IBSS)) {
7276 if(capabilities & CAP_ESS)
7277 iwe.u.mode = IW_MODE_MASTER;
7279 iwe.u.mode = IW_MODE_ADHOC;
7280 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
7284 iwe.cmd = SIOCGIWFREQ;
7285 iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
7286 /* iwe.u.freq.m containt the channel (starting 1), our
7287 * frequency_list array start at index 0...
7289 iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000;
7291 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
7293 /* Add quality statistics */
7296 iwe.u.qual.level = 0x100 - bss->dBm;
7297 iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
7298 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
7299 | IW_QUAL_LEVEL_UPDATED
7302 iwe.u.qual.level = (bss->dBm + 321) / 2;
7303 iwe.u.qual.qual = 0;
7304 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID
7305 | IW_QUAL_LEVEL_UPDATED
7308 iwe.u.qual.noise = ai->wstats.qual.noise;
7309 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
7311 /* Add encryption capability */
7312 iwe.cmd = SIOCGIWENCODE;
7313 if(capabilities & CAP_PRIVACY)
7314 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
7316 iwe.u.data.flags = IW_ENCODE_DISABLED;
7317 iwe.u.data.length = 0;
7318 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
7320 /* Rate : stuffing multiple values in a single event require a bit
7321 * more of magic - Jean II */
7322 current_val = current_ev + IW_EV_LCP_LEN;
7324 iwe.cmd = SIOCGIWRATE;
7325 /* Those two flags are ignored... */
7326 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
7328 for(i = 0 ; i < 8 ; i++) {
7329 /* NULL terminated */
7330 if(bss->rates[i] == 0)
7332 /* Bit rate given in 500 kb/s units (+ 0x80) */
7333 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
7334 /* Add new value to event */
7335 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
7337 /* Check if we added any event */
7338 if((current_val - current_ev) > IW_EV_LCP_LEN)
7339 current_ev = current_val;
7341 /* Beacon interval */
7342 buf = kmalloc(30, GFP_KERNEL);
7344 iwe.cmd = IWEVCUSTOM;
7345 sprintf(buf, "bcn_int=%d", bss->beaconInterval);
7346 iwe.u.data.length = strlen(buf);
7347 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);
7351 /* Put WPA/RSN Information Elements into the event stream */
7352 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) {
7353 unsigned int num_null_ies = 0;
7354 u16 length = sizeof (bss->extra.iep);
7355 struct ieee80211_info_element *info_element =
7356 (struct ieee80211_info_element *) &bss->extra.iep;
7358 while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) {
7359 if (sizeof(*info_element) + info_element->len > length) {
7360 /* Invalid element, don't continue parsing IE */
7364 switch (info_element->id) {
7365 case MFIE_TYPE_SSID:
7366 /* Two zero-length SSID elements
7367 * mean we're done parsing elements */
7368 if (!info_element->len)
7372 case MFIE_TYPE_GENERIC:
7373 if (info_element->len >= 4 &&
7374 info_element->data[0] == 0x00 &&
7375 info_element->data[1] == 0x50 &&
7376 info_element->data[2] == 0xf2 &&
7377 info_element->data[3] == 0x01) {
7378 iwe.cmd = IWEVGENIE;
7379 iwe.u.data.length = min(info_element->len + 2,
7381 current_ev = iwe_stream_add_point(current_ev, end_buf,
7382 &iwe, (char *) info_element);
7387 iwe.cmd = IWEVGENIE;
7388 iwe.u.data.length = min(info_element->len + 2,
7390 current_ev = iwe_stream_add_point(current_ev, end_buf,
7391 &iwe, (char *) info_element);
7398 length -= sizeof(*info_element) + info_element->len;
7400 (struct ieee80211_info_element *)&info_element->
7401 data[info_element->len];
7407 /*------------------------------------------------------------------*/
7409 * Wireless Handler : Read Scan Results
7411 static int airo_get_scan(struct net_device *dev,
7412 struct iw_request_info *info,
7413 struct iw_point *dwrq,
7416 struct airo_info *ai = dev->priv;
7417 BSSListElement *net;
7419 char *current_ev = extra;
7421 /* If a scan is in-progress, return -EAGAIN */
7422 if (ai->scan_timeout > 0)
7425 if (down_interruptible(&ai->sem))
7428 list_for_each_entry (net, &ai->network_list, list) {
7429 /* Translate to WE format this entry */
7430 current_ev = airo_translate_scan(dev, current_ev,
7431 extra + dwrq->length,
7434 /* Check if there is space for one more entry */
7435 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
7436 /* Ask user space to try again with a bigger buffer */
7442 /* Length of data */
7443 dwrq->length = (current_ev - extra);
7444 dwrq->flags = 0; /* todo */
7451 /*------------------------------------------------------------------*/
7453 * Commit handler : called after a bunch of SET operations
7455 static int airo_config_commit(struct net_device *dev,
7456 struct iw_request_info *info, /* NULL */
7457 void *zwrq, /* NULL */
7458 char *extra) /* NULL */
7460 struct airo_info *local = dev->priv;
7463 if (!test_bit (FLAG_COMMIT, &local->flags))
7466 /* Some of the "SET" function may have modified some of the
7467 * parameters. It's now time to commit them in the card */
7468 disable_MAC(local, 1);
7469 if (test_bit (FLAG_RESET, &local->flags)) {
7470 APListRid APList_rid;
7473 readAPListRid(local, &APList_rid);
7474 readSsidRid(local, &SSID_rid);
7475 if (test_bit(FLAG_MPI,&local->flags))
7476 setup_card(local, dev->dev_addr, 1 );
7478 reset_airo_card(dev);
7479 disable_MAC(local, 1);
7480 writeSsidRid(local, &SSID_rid, 1);
7481 writeAPListRid(local, &APList_rid, 1);
7483 if (down_interruptible(&local->sem))
7484 return -ERESTARTSYS;
7485 writeConfigRid(local, 0);
7486 enable_MAC(local, &rsp, 0);
7487 if (test_bit (FLAG_RESET, &local->flags))
7488 airo_set_promisc(local);
7495 /*------------------------------------------------------------------*/
7497 * Structures to export the Wireless Handlers
7500 static const struct iw_priv_args airo_private_args[] = {
7501 /*{ cmd, set_args, get_args, name } */
7502 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7503 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
7504 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl),
7505 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
7508 static const iw_handler airo_handler[] =
7510 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */
7511 (iw_handler) airo_get_name, /* SIOCGIWNAME */
7512 (iw_handler) NULL, /* SIOCSIWNWID */
7513 (iw_handler) NULL, /* SIOCGIWNWID */
7514 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */
7515 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */
7516 (iw_handler) airo_set_mode, /* SIOCSIWMODE */
7517 (iw_handler) airo_get_mode, /* SIOCGIWMODE */
7518 (iw_handler) airo_set_sens, /* SIOCSIWSENS */
7519 (iw_handler) airo_get_sens, /* SIOCGIWSENS */
7520 (iw_handler) NULL, /* SIOCSIWRANGE */
7521 (iw_handler) airo_get_range, /* SIOCGIWRANGE */
7522 (iw_handler) NULL, /* SIOCSIWPRIV */
7523 (iw_handler) NULL, /* SIOCGIWPRIV */
7524 (iw_handler) NULL, /* SIOCSIWSTATS */
7525 (iw_handler) NULL, /* SIOCGIWSTATS */
7526 iw_handler_set_spy, /* SIOCSIWSPY */
7527 iw_handler_get_spy, /* SIOCGIWSPY */
7528 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
7529 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
7530 (iw_handler) airo_set_wap, /* SIOCSIWAP */
7531 (iw_handler) airo_get_wap, /* SIOCGIWAP */
7532 (iw_handler) NULL, /* -- hole -- */
7533 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */
7534 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */
7535 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */
7536 (iw_handler) airo_set_essid, /* SIOCSIWESSID */
7537 (iw_handler) airo_get_essid, /* SIOCGIWESSID */
7538 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */
7539 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */
7540 (iw_handler) NULL, /* -- hole -- */
7541 (iw_handler) NULL, /* -- hole -- */
7542 (iw_handler) airo_set_rate, /* SIOCSIWRATE */
7543 (iw_handler) airo_get_rate, /* SIOCGIWRATE */
7544 (iw_handler) airo_set_rts, /* SIOCSIWRTS */
7545 (iw_handler) airo_get_rts, /* SIOCGIWRTS */
7546 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */
7547 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */
7548 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */
7549 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */
7550 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */
7551 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */
7552 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */
7553 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */
7554 (iw_handler) airo_set_power, /* SIOCSIWPOWER */
7555 (iw_handler) airo_get_power, /* SIOCGIWPOWER */
7556 (iw_handler) NULL, /* -- hole -- */
7557 (iw_handler) NULL, /* -- hole -- */
7558 (iw_handler) NULL, /* SIOCSIWGENIE */
7559 (iw_handler) NULL, /* SIOCGIWGENIE */
7560 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */
7561 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */
7562 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */
7563 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */
7564 (iw_handler) NULL, /* SIOCSIWPMKSA */
7567 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here.
7568 * We want to force the use of the ioctl code, because those can't be
7569 * won't work the iw_handler code (because they simultaneously read
7570 * and write data and iw_handler can't do that).
7571 * Note that it's perfectly legal to read/write on a single ioctl command,
7572 * you just can't use iwpriv and need to force it via the ioctl handler.
7574 static const iw_handler airo_private_handler[] =
7576 NULL, /* SIOCIWFIRSTPRIV */
7579 static const struct iw_handler_def airo_handler_def =
7581 .num_standard = sizeof(airo_handler)/sizeof(iw_handler),
7582 .num_private = sizeof(airo_private_handler)/sizeof(iw_handler),
7583 .num_private_args = sizeof(airo_private_args)/sizeof(struct iw_priv_args),
7584 .standard = airo_handler,
7585 .private = airo_private_handler,
7586 .private_args = airo_private_args,
7587 .get_wireless_stats = airo_get_wireless_stats,
7591 * This defines the configuration part of the Wireless Extensions
7592 * Note : irq and spinlock protection will occur in the subroutines
7595 * o Check input value more carefully and fill correct values in range
7596 * o Test and shakeout the bugs (if any)
7600 * Javier Achirica did a great job of merging code from the unnamed CISCO
7601 * developer that added support for flashing the card.
7603 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
7606 struct airo_info *ai = (struct airo_info *)dev->priv;
7608 if (ai->power.event)
7618 int val = AIROMAGIC;
7620 if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
7622 else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
7631 /* Get the command struct and hand it off for evaluation by
7632 * the proper subfunction
7636 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
7641 /* Separate R/W functions bracket legality here
7643 if ( com.command == AIRORSWVERSION ) {
7644 if (copy_to_user(com.data, swversion, sizeof(swversion)))
7649 else if ( com.command <= AIRORRID)
7650 rc = readrids(dev,&com);
7651 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) )
7652 rc = writerids(dev,&com);
7653 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
7654 rc = flashcard(dev,&com);
7656 rc = -EINVAL; /* Bad command in ioctl */
7659 #endif /* CISCO_EXT */
7661 // All other calls are currently unsupported
7669 * Get the Wireless stats out of the driver
7670 * Note : irq and spinlock protection will occur in the subroutines
7673 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
7677 static void airo_read_wireless_stats(struct airo_info *local)
7679 StatusRid status_rid;
7681 CapabilityRid cap_rid;
7682 u32 *vals = stats_rid.vals;
7684 /* Get stats out of the card */
7685 clear_bit(JOB_WSTATS, &local->jobs);
7686 if (local->power.event) {
7690 readCapabilityRid(local, &cap_rid, 0);
7691 readStatusRid(local, &status_rid, 0);
7692 readStatsRid(local, &stats_rid, RID_STATS, 0);
7696 local->wstats.status = status_rid.mode;
7698 /* Signal quality and co */
7700 local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
7701 /* normalizedSignalStrength appears to be a percentage */
7702 local->wstats.qual.qual = status_rid.normalizedSignalStrength;
7704 local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
7705 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
7707 if (status_rid.len >= 124) {
7708 local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
7709 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
7711 local->wstats.qual.noise = 0;
7712 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM;
7715 /* Packets discarded in the wireless adapter due to wireless
7716 * specific problems */
7717 local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
7718 local->wstats.discard.code = vals[6];/* RxWepErr */
7719 local->wstats.discard.fragment = vals[30];
7720 local->wstats.discard.retries = vals[10];
7721 local->wstats.discard.misc = vals[1] + vals[32];
7722 local->wstats.miss.beacon = vals[34];
7725 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
7727 struct airo_info *local = dev->priv;
7729 if (!test_bit(JOB_WSTATS, &local->jobs)) {
7730 /* Get stats out of the card if available */
7731 if (down_trylock(&local->sem) != 0) {
7732 set_bit(JOB_WSTATS, &local->jobs);
7733 wake_up_interruptible(&local->thr_wait);
7735 airo_read_wireless_stats(local);
7738 return &local->wstats;
7743 * This just translates from driver IOCTL codes to the command codes to
7744 * feed to the radio's host interface. Things can be added/deleted
7745 * as needed. This represents the READ side of control I/O to
7748 static int readrids(struct net_device *dev, aironet_ioctl *comp) {
7749 unsigned short ridcode;
7750 unsigned char *iobuf;
7752 struct airo_info *ai = dev->priv;
7755 if (test_bit(FLAG_FLASHING, &ai->flags))
7758 switch(comp->command)
7760 case AIROGCAP: ridcode = RID_CAPABILITIES; break;
7761 case AIROGCFG: ridcode = RID_CONFIG;
7762 if (test_bit(FLAG_COMMIT, &ai->flags)) {
7763 disable_MAC (ai, 1);
7764 writeConfigRid (ai, 1);
7765 enable_MAC (ai, &rsp, 1);
7768 case AIROGSLIST: ridcode = RID_SSID; break;
7769 case AIROGVLIST: ridcode = RID_APLIST; break;
7770 case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
7771 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
7772 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
7773 /* Only super-user can read WEP keys */
7774 if (!capable(CAP_NET_ADMIN))
7777 case AIROGWEPKNV: ridcode = RID_WEP_PERM;
7778 /* Only super-user can read WEP keys */
7779 if (!capable(CAP_NET_ADMIN))
7782 case AIROGSTAT: ridcode = RID_STATUS; break;
7783 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
7784 case AIROGSTATSC32: ridcode = RID_STATS; break;
7786 if (copy_to_user(comp->data, &ai->micstats,
7787 min((int)comp->len,(int)sizeof(ai->micstats))))
7790 case AIRORRID: ridcode = comp->ridnum; break;
7796 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7799 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
7800 /* get the count of bytes in the rid docs say 1st 2 bytes is it.
7801 * then return it to the user
7802 * 9/22/2000 Honor user given length
7806 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) {
7815 * Danger Will Robinson write the rids here
7818 static int writerids(struct net_device *dev, aironet_ioctl *comp) {
7819 struct airo_info *ai = dev->priv;
7823 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
7824 unsigned char *iobuf;
7826 /* Only super-user can write RIDs */
7827 if (!capable(CAP_NET_ADMIN))
7830 if (test_bit(FLAG_FLASHING, &ai->flags))
7834 writer = do_writerid;
7836 switch(comp->command)
7838 case AIROPSIDS: ridcode = RID_SSID; break;
7839 case AIROPCAP: ridcode = RID_CAPABILITIES; break;
7840 case AIROPAPLIST: ridcode = RID_APLIST; break;
7841 case AIROPCFG: ai->config.len = 0;
7842 clear_bit(FLAG_COMMIT, &ai->flags);
7843 ridcode = RID_CONFIG; break;
7844 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
7845 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
7846 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
7847 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
7849 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break;
7850 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break;
7852 /* this is not really a rid but a command given to the card
7856 if (enable_MAC(ai, &rsp, 1) != 0)
7861 * Evidently this code in the airo driver does not get a symbol
7862 * as disable_MAC. it's probably so short the compiler does not gen one.
7868 /* This command merely clears the counts does not actually store any data
7869 * only reads rid. But as it changes the cards state, I put it in the
7870 * writerid routines.
7873 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7876 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1);
7878 enabled = ai->micstats.enabled;
7879 memset(&ai->micstats,0,sizeof(ai->micstats));
7880 ai->micstats.enabled = enabled;
7882 if (copy_to_user(comp->data, iobuf,
7883 min((int)comp->len, (int)RIDSIZE))) {
7891 return -EOPNOTSUPP; /* Blarg! */
7893 if(comp->len > RIDSIZE)
7896 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
7899 if (copy_from_user(iobuf,comp->data,comp->len)) {
7904 if (comp->command == AIROPCFG) {
7905 ConfigRid *cfg = (ConfigRid *)iobuf;
7907 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags))
7908 cfg->opmode |= MODE_MIC;
7910 if ((cfg->opmode & 0xFF) == MODE_STA_IBSS)
7911 set_bit (FLAG_ADHOC, &ai->flags);
7913 clear_bit (FLAG_ADHOC, &ai->flags);
7916 if((*writer)(ai, ridcode, iobuf,comp->len,1)) {
7924 /*****************************************************************************
7925 * Ancillary flash / mod functions much black magic lurkes here *
7926 *****************************************************************************
7930 * Flash command switch table
7933 static int flashcard(struct net_device *dev, aironet_ioctl *comp) {
7936 /* Only super-user can modify flash */
7937 if (!capable(CAP_NET_ADMIN))
7940 switch(comp->command)
7943 return cmdreset((struct airo_info *)dev->priv);
7946 if (!((struct airo_info *)dev->priv)->flash &&
7947 (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
7949 return setflashmode((struct airo_info *)dev->priv);
7951 case AIROFLSHGCHR: /* Get char from aux */
7952 if(comp->len != sizeof(int))
7954 if (copy_from_user(&z,comp->data,comp->len))
7956 return flashgchar((struct airo_info *)dev->priv,z,8000);
7958 case AIROFLSHPCHR: /* Send char to card. */
7959 if(comp->len != sizeof(int))
7961 if (copy_from_user(&z,comp->data,comp->len))
7963 return flashpchar((struct airo_info *)dev->priv,z,8000);
7965 case AIROFLPUTBUF: /* Send 32k to card */
7966 if (!((struct airo_info *)dev->priv)->flash)
7968 if(comp->len > FLASHSIZE)
7970 if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
7973 flashputbuf((struct airo_info *)dev->priv);
7977 if(flashrestart((struct airo_info *)dev->priv,dev))
7984 #define FLASH_COMMAND 0x7e7e
7988 * Disable MAC and do soft reset on
7992 static int cmdreset(struct airo_info *ai) {
7996 airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
8000 OUT4500(ai,COMMAND,CMD_SOFTRESET);
8002 ssleep(1); /* WAS 600 12/7/00 */
8005 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
8012 * Put the card in legendary flash
8016 static int setflashmode (struct airo_info *ai) {
8017 set_bit (FLAG_FLASHING, &ai->flags);
8019 OUT4500(ai, SWS0, FLASH_COMMAND);
8020 OUT4500(ai, SWS1, FLASH_COMMAND);
8022 OUT4500(ai, SWS0, FLASH_COMMAND);
8023 OUT4500(ai, COMMAND,0x10);
8025 OUT4500(ai, SWS2, FLASH_COMMAND);
8026 OUT4500(ai, SWS3, FLASH_COMMAND);
8027 OUT4500(ai, COMMAND,0);
8029 msleep(500); /* 500ms delay */
8032 clear_bit (FLAG_FLASHING, &ai->flags);
8033 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
8039 /* Put character to SWS0 wait for dwelltime
8043 static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
8054 /* Wait for busy bit d15 to go false indicating buffer empty */
8055 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
8060 /* timeout for busy clear wait */
8062 airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
8066 /* Port is clear now write byte and wait for it to echo back */
8068 OUT4500(ai,SWS0,byte);
8071 echo = IN4500(ai,SWS1);
8072 } while (dwelltime >= 0 && echo != byte);
8076 return (echo == byte) ? 0 : -EIO;
8080 * Get a character from the card matching matchbyte
8083 static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
8085 unsigned char rbyte=0;
8088 rchar = IN4500(ai,SWS1);
8090 if(dwelltime && !(0x8000 & rchar)){
8095 rbyte = 0xff & rchar;
8097 if( (rbyte == matchbyte) && (0x8000 & rchar) ){
8101 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
8105 }while(dwelltime > 0);
8110 * Transfer 32k of firmware data from user buffer to our buffer and
8114 static int flashputbuf(struct airo_info *ai){
8118 if (test_bit(FLAG_MPI,&ai->flags))
8119 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE);
8121 OUT4500(ai,AUXPAGE,0x100);
8122 OUT4500(ai,AUXOFF,0);
8124 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
8125 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
8128 OUT4500(ai,SWS0,0x8000);
8136 static int flashrestart(struct airo_info *ai,struct net_device *dev){
8139 ssleep(1); /* Added 12/7/00 */
8140 clear_bit (FLAG_FLASHING, &ai->flags);
8141 if (test_bit(FLAG_MPI, &ai->flags)) {
8142 status = mpi_init_descriptors(ai);
8143 if (status != SUCCESS)
8146 status = setup_card(ai, dev->dev_addr, 1);
8148 if (!test_bit(FLAG_MPI,&ai->flags))
8149 for( i = 0; i < MAX_FIDS; i++ ) {
8150 ai->fids[i] = transmit_allocate
8151 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
8154 ssleep(1); /* Added 12/7/00 */
8157 #endif /* CISCO_EXT */
8160 This program is free software; you can redistribute it and/or
8161 modify it under the terms of the GNU General Public License
8162 as published by the Free Software Foundation; either version 2
8163 of the License, or (at your option) any later version.
8165 This program is distributed in the hope that it will be useful,
8166 but WITHOUT ANY WARRANTY; without even the implied warranty of
8167 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8168 GNU General Public License for more details.
8172 Redistribution and use in source and binary forms, with or without
8173 modification, are permitted provided that the following conditions
8176 1. Redistributions of source code must retain the above copyright
8177 notice, this list of conditions and the following disclaimer.
8178 2. Redistributions in binary form must reproduce the above copyright
8179 notice, this list of conditions and the following disclaimer in the
8180 documentation and/or other materials provided with the distribution.
8181 3. The name of the author may not be used to endorse or promote
8182 products derived from this software without specific prior written
8185 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
8186 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8187 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
8188 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
8189 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8190 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
8191 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
8192 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
8193 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
8194 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
8195 POSSIBILITY OF SUCH DAMAGE.
8198 module_init(airo_init_module);
8199 module_exit(airo_cleanup_module);